4.a3 Ke7 5.e3+= Ke8 6.d4 (6.Be2 Nbd7+=) 6...Bd6 (6...c6 7.c4+=) 7.Nbd2 (7.c4 Bd7+=) 7...Ke7 (7...a5!?+=) 8.c4+/- Re8? (better 8...c6+/-) 9.c5+- Kf8 10.cd6 cd6 11.Bd3 Kg8 (11...Nbd7 12.0-0+-) 12.Qc2 g6 (12...Nbd7 13.0-0+-) 13.Ng5 (13.0-0 Nbd7+-) 13...e5 14.de5 de5 15.e4 (15.Rc1 Nbd7+-) 15...d4 (15...Nh5 16.Ngf3 Nf4 17.Bf1+- (17.Be5?! Ng2 18.Kf1 Bh3+/-)) 16.Nc4 (16.Bc4 Re7+-) 16...Kg7 (16...b5 17.Nd2 Bd7 18.0-0+-) 17.Nf3 (better 17.0-0+-) 17...b5 (17...Nbd7+-) 18.Nce5 Nbd7 (18...Bb7 19.Bd4 a6 20.Rd1+-) 19.Nc6 Qc7 20.Ncd4 (better 20.Nfd4 a6 21.0-0+-) 20...Ne5 (20...Qc2 21.Nc2 Bb7+-) 21.Ne5 (better 21.Qc7 Nd3 22.Kf1 Nb2 23.Ng5+-) 21...Re5 (21...Qe5 22.Nb5 Qf4 23.Nc7+-) 22.Nf3 (better 22.Qc7 Re8 23.Nb5+-) 22...Re7 (22...Qc2 23.Bc2 Re7+-) 23.Bf6 Kf6 (23...Kf8 24.Be7 Qe7 25.Bb5+-) 24.Qb2 Ke6 25.Qe5! Qe5 26.Ne5 Ke5 27.0-0 (27.Ke2 Bd7+/-) 27...Bb7 (27...a6 28.a4 ba4 29.Ra4+/-) 28.f4 (28.Bb5 Be4 29.Rfe1 Kf6+/-) 28...Ke6 29.f5 (29.Rfd1 a6+/-) 29...Kf6 (29...Ke5 30.Rac1 Rc8 31.Rc8 Bc8 32.Bb5+/-) 30.fg6 Kg6 31.e5 Kg7 32.e6 (32.Rfe1!?+/-) 32...fe6 33.Rae1 (33.Bb5 e5+/-) 33...e5 (33...a6!?=) 34.Bb5+/- e4 (34...Rd8+/-) 35.Bc4 (35.Re3!?+/-) 35...e3 (35...Rc8 36.Rc1=) 36.Rf4 Kh6 (better 36...Rc8+=) 37.Rh4+- Kg5 38.Rh3 Rg8?? (better 38...Rc8 39.Bd3 Rc3 40.Rg3 Kh6 41.Rge3 Re3 42.Re3 Bc8+-) 39.Rg3 (39.Bg8 e2+-) 39...Kh4 (39...Kf6 40.Bg8 e2 41.Bc4+-) 40.Rg8 e2 (40...Kh5+-) 41.Re2 Re2 (41...Re8 42.g3 Kh3 43.Ree8 Bd5 44.Bf1 Bg2 45.Bg2) 42.Be2 (42.Be2 Bg2 43.Kg2+-; 42.g3 Kh3 43.Be2 Bf3 44.Bf1 Bg2 45.Bg2) 1-0. alessandrocarvalhaes (1795) - Ozamis (1790), lichess.org, 2020.

4.Ba3 Be7 5.e3 0-0 6.Bd3 Re8 7.Ng5 (7.0-0 Bd6=+) 7...Nc6 (7...e5 8.Be2-/+) 8.Bb2 (8.b5 Ba3 9.Na3 Ne7-/+) 8...h6 (better is 8...Nb4 9.Be2 c5–+) 9.Bf6?? (better is 9.b5 hg5 10.bc6 bc6 11.0-0-/+) 9...Bf6–+ (9...gf6 10.Nf7 Qd7 11.Qg4 Kf8 12.Bh7 Bb4 13.Qg8 Ke7 14.Qg7+–; 9...hg5?! 10.Be7 Qe7 11.b5=) 10.Bh7 Kf8 11.Qh5 (11.Nf7 Kf7 12.Qh5 Kf8–+) 11...Re7 (better is 11...hg5 12.d4 g6 13.Bg6 fg6 14.Qg6 Nb4 15.c3–+) 12.f4 (12.b5 hg5 13.bc6–+) 12...Ba1 13.Bg8 (13.b5 Nb4 14.a3 hg5 15.ab4–+) 13...Kg8 14.Ne6 (14.Nf3 Nb4 15.0-0 Na2–+) 14...Be6 (15.b5 Nb4–+) 0–1. cagey – zed, Live Game Caissa's Web, 2004.

4.b5 Qd7 5.e3 Be7 6.a4 0-0 7.c4 dc4 8.Bc4 c6 9.0-0 Ne4 10.Qc2 Nc5?? (better is 10...Nf6+=) 11.d4+– cb5 12.ab5 (12.dc5?! bc4 13.Qc4 Rd8+=; 12.Bb5?! Qd5 13.dc5 Qc5+–) 12...Qd6 13.dc5 Qc5 14.Rd1 b6 (14...Qh5+–) 15.Qe4 Nd7 16.Bd3 Rb8 (16...Qh5 17.Qa8 Nc5+–) 17.Qh7 mate 1–0. Rooijen Van,Peter (1610) – Cruz Rivera,Pablo Ricardo, 52. LSS No Engine Cup Preliminary, 2011.

4.b5 Ne4 5.e3 Bd7 6.Nc3 Bd6 7.Ne4 de4 8.Ne5 0-0 9.Bc4 (9.Nc4!? Qe7 10.a4+=) 9...Be5=+ 10.Be5 Qg5 11.Bf4 (11.Bc7? Qg2 12.Rf1 Rc8 13.Bb8 Rc4–+ (13...Rab8?! 14.d3–+; 13...Rcb8?! 14.Qh5=+)) 11...Qg2 12.Rf1 Rc8 (12...Re8 A) 13.Bc7? Rc8 14.Bb8 Rc4–+ (14...Rab8?! 15.d3–+; 14...Rcb8?! 15.Qh5=+); B) 13.d4=+) 13.Qh5 c6 14.0-0-0 Qf3 (14...Qg6!? 15.Qe5 Qf5=+) 15.Qe5 (15.Qh4 e5 16.Be5 Re8+–) 15...cb5 (better 15...Qh3!? 16.Rg1 g6 17.Qe4 cb5=) 16.Rg1+– g6 17.Bh6 f6 18.Be6 Kh8 19.Qd6 Be6 20.Qe6 Rg8 21.Rg3 Qf2 22.Bf4 Rf8 23.Qe4 (better 23.Rh3!? Nc6 24.Qd7+–) 23...Nc6= 24.Rh3 Rg8 25.Rf3 (better 25.Bg3!? Qf5 26.Qf5 gf5 27.Rf1=) 25...Qg2-/+ 26.Rdf1 Rge8 (better 26...Rad8!? 27.d4 Qg4-/+) 27.Qd5=+ Rad8 28.Qb5? (28.Bd6 Kg7 29.e4 Re4 30.Qe4 (30.Rf6?? Re1 31.Re1 Qd5–+) 30...Rd6 31.Qf4=) 28...Qd2–+ (28...Rd2?! 29.Qb2 Kg7 30.Bg5 Rc2 31.Qc2 Qg5 32.Rf6 Qe3 33.Kb1=) 29.Kb1 Re4 30.a3 Nb4! 31.R3f2 (31.ab4 Qb4 Double attack) 31...Qd5 32.Qd5 Nd5 33.Kb2?? (better 33.Rd2 Kg7 34.Kb2–+) 33...g5–+ 34.Bg3 Ne3 35.Rf6 Nf1 36.Rf1 Kg8 37.Rf5 h6 38.Bc7 (38.Ra5 a6–+) 38...Rc8 39.Bg3 0–1. yodamo – BigHeadKnight, ChessWorld.net, 2008. (=1.Nf3 d5 2.b4 e6 3.b5 Nf6 4.Bb2 Ne4)

4.c3 Bd7 5.Ne5 Nc6 6.c4 (Better is 6.Nc6!? Bc6 7.e3=+) 6...Ne5-/+ 7.Be5 Ne4 (Better is 7...dc4!? 8.Qc2 Bd6 9.Bd6 cd6–+) 8.cd5 ed5 9.Qc2 c6 10.Nc3 Bf5 (< 10...Bb4 11.Ne4 de4 12.Bg7+= (< 12.Qe4 Qe7 13.Qf4 f6=+)) 11.d3 Nc3 12.Qc3 f6 13.Bg3 Bd6 14.Bd6 Qd6 15.e4 de4 16.de4 Be4 17.Qe3? Qe5 18.0-0-0?? Qa1–+ 19.Kd2 Qa2 20.Ke1 0-0 21.Qd4 Bd5 22.Be2 Rfe8 23.Qd2 Qd2 24.Rd2 Bc4 25.Kd1 Be2 26.Re2 Re2 27.Ke2 Re8 28.Kd1? Re4 29.Kc2 Rb4 30.Kc3 Rb5 31.Kc4 Kf7 32.Ra1 a6 33.Re1 Re5 34.Rd1 0–1. cxz – desmond, Live Game Caissa's Web, 2004.

4.c4 Bb4 5.cd5 ed5 6.g3 c6 7.Bg2 0-0 8.0-0 Bg4 9.a3 Ba5 (10.h3 Bf5-/+; 9...Bc5 10.Qc2 Nbd7 11.h3-/+) 0–1. coloplayah (2175) – bmurtinho (2055), net–chess.com, 2006.

4.c4 c5 5.b5= Bd6 6.Bf6 Qf6 7.Nc3 d4 8.Ne4 Qe7 9.Nd6 Qd6 10.g3 e5 11.d3 0-0 12.Bg2 Nd7 13.0-0 f5 14.a4 Nf6 Black plans e4 15.a5 (15.Qc2 Rb8+=) 15...e4+= 16.Nd2 Qe5 17.Kh1 Bd7 18.a6 b6 19.f4 Qe7 20.h3 (20.Re1 Ng4 21.Qb3 Ne3-/+) 20...Rae8 21.Re1 Qd6 22.Nf1 Re7 23.Kh2 Rfe8 24.e3 ed3 (24...h6!?-/+) 25.Qd3 Qc7 26.Red1 (26.Re2 h5+=) 26...Re3 (26...de3 27.Qe2-/+) 27.Ne3+= Re3 (27...de3? 28.Re1+–) 28.Qf1 (28.Qc2 g5 29.Qf2 Nh5-/+) 28...Ne4-/+ 29.Re1 Ng3 30.Qf2 Ne4 31.Qh4?? (31.Be4 Re4 32.Qf3 Rf4 33.Qd5 Kf8 34.Kg2+=) 31...g5–+ 32.Qh6 Qf4 33.Kh1 Ng3 34.Kg1 Ne4 35.Rf1?? Qg3–+ 36.Ra2 f4 37.Qh5 Bh3 38.Qh3?? Qh3–+ 39.Bh3 Rh3 40.Re1 Re3 41.Rf1 Kg7 42.Rg2 Kf6 43.Rd1 h5 44.Rc2 Ke5 45.Kf1 h4 46.Rg2 h3 47.Rg4 Kf5 48.Rg1 h2 49.Rh1 Ng3 50.Kf2 Nh1 51.Rh1 g4 52.Rd1 g3 53.Kg2 Kg4 0–1. Bulcourf,Carlos (2015) – Perez,Mario Abel (2080), Villa Martelli ARG, 2014.

4.d4 Nc6 5.e3 Nb4 6.c3 Nc6 7.Bb5 Bd7 (8.Ba3 Ba3 9.Na3 0-0-/+) 0–1. djervis (1880) – rar (2095), net–chess.com, 2006.

4.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.Nf3).

4.e3 c6 5.a3 Nbd7 6.c4 Bd6 (--> 4.a3 Bd6 5.e3 Nbd7 6.c4 c6).

4.Bf6 Qf6 5.e3?? (Better is 5.Nc3-/+) 5...Qa1–+ 6.Ng5 (6.a3 a5 7.c3 Bd6–+) 6...Qa2 (Better is 6...Bb4 7.a3 Be7–+) 7.Qf3 f6 8.Bb5 c6 9.Ne6 Qb1 10.Ke2 Qh1 11.Nc7 Kd7 12.Na8 Qa1 13.Qf5 Kd6 14.Qf4 14...Qe5 15.Qe5 fe5 16.Bd3 e4 17.Nb6 ab6 18.Be4 de4 19.b5 0–1. NathanB – Diggy, Live Game Caissa's Web, 2004.

4.Ng5 Bb4-/+ 5.Nf7?? (better is 5.e3-/+) 5...Kf7–+ 6.c3 Bd6 7.f3 (7.e3 Rf8–+) 7...Rf8 (better is 7...Ne4 8.e3 Qh4 9.Ke2 Qf2 10.Kd3 Nc5 11.Kc2–+) 8.Qc1 c5 9.c4 Kg8 10.e3 Nc6 11.Bd3 Nb4 12.a3 (12.Be2–+) 12...Nd3 13.Kd1 Nc1 14.Bc1 Qa5 15.Nc3 Be5 16.cd5 Bc3 17.Ra2 Qa4 18.Rc2 Ba1 19.d3 Nd5 20.Bb2 Ne3 21.Ke2 Nc2 (21...Qc2 22.Ke3 Bb2 23.f4 Bd4 24.Kf3 Qf2 25.Kg4 Rf4 26.Kg5 Qh4) 22.Ra1 Na1 0–1. jmcauley (1800) – pillsbury (2065), net–chess.com, 2013.

4.h3 Bd6 5.e3 0-0 6.Be2 Re8 7.d4 Nbd7 8.0-0 c6 9.Nbd2 e5 10.de5= Ne5 11.c4 Nf3 12.Nf3 dc4 13.Bc4 h6 14.Qd4 Bf5 15.Rfd1 Be7 16.Qf4 Qc8 17.Nd4 Bg6 18.Rac1 Qb8 19.Qb8 Rab8 20.Nf3 Bh5 21.Ne5 Red8?? 22.f3?? Kf8 23.g4 Bg6 24.Ng6 fg6 25.Be5 Rd1 26.Rd1 Rd8 27.Rd8 Bd8 28.e4 Ke7 29.Bd4 b6 30.Kf2 Bc7 31.a3 g5 32.Ke3 b5 33.Bb3 a6 34.e5 Nd5 35.Ke4 Nf4 36.Bc5 Ke8 37.Kf5 Nh3 38.e6 Nf4 39.e7 Bb8 40.Bg8 Bc7 41.Bh7 Bb8 42.Bg8 Bc7 43.Ba2 Bb8 44.Bb1 Kf7 45.Ke4 Ke8 46.Kd4?? Ne2?? 47.Ke3 Nf4 48.Be4?? Kd7?? 49.Bc6!+– (49.Bc6 Kc6 50.e8Q Kc7 51.Bd4 Nd5 52.Kf2+–) 1–0. Zak,Pawel (1745) – Pietraszko,Jakub, Rubinstein Polanica Zdroj Poland, 2010.

5.e3 a6 6.d3 c5 7.bc5 Bc5 8.Nbd2 Nc6 9.c4 bc4 10.dc4 dc4 11.Nc4 Qe7 12.Be2 0-0 13.0-0 Nd5 14.Qc2 Bd7 15.Nce5 Ne5= 16.Ne5 Bd6 17.Bf3 Rab8 18.Bd5 ed5 19.Nd7 Qd7 20.Qc3 f6 21.Qd4?? Be5–+ (21...Be5 22.Qd3 Bb2–+) 0–1. Fournier,Frederic – Guest4172892, Partie amicale, 4m + 0s, 2008.

5.e3 a6 6.Be2 c5 7.bc5 Bc5 8.0-0 0-0 9.d3 Nbd7 10.Nbd2 Bb7 11.c4 bc4 12.dc4 Nb6 13.cd5 Bd5 14.a4 Nbd7 15.Nb3 Bd6 16.Nfd4 Qb8 17.g3 (17.f4 Ne4 18.Bd3 Ndf6+=) 17...Be5 (17...e5 18.Nf5+=) 18.Ba3 Rc8 19.Rb1 Qa7 20.Bf3 Bf3 21.Qf3 Nd5 22.Na5 Qc7 (22...Bd4 23.Rb7 Be3 24.Ra7 Ba7 25.Rc1+=) 23.Nac6 (better is 23.Ndc6!?+=) 23...Bd4-/+ 24.Nd4 Ne5 25.Qh5 Ng6 (25...Nc4 26.Bb2-/+) 26.Rbc1 (26.Bb2!?+=) 26...Qd7-/+ 27.Rc8 Rc8 28.Qd1 (28.a5 Qa4 29.Bc1 Qa2-/+) 28...Nc3 29.Qb3 Na4 30.Bb4 Rb8 (30...e5 31.Nc2–+) 31.Qa3 (31.Ra1 Nb6 32.Ra6 Qc8+=) 31...h6 (31...e5!? 32.Nf3 Qc6-/+) 32.Ra1 Nb6 33.Bc5 Ne5 (33...e5 34.Qa6 ed4 35.Bb6–+) 34.Qa5 (better is 34.Rb1!? Qd8 35.Qa6+=) 34...Nec4-/+ 35.Qa2 Qc7 (35...Qd5 36.Bb6 Rb6-/+ (36...Nb6?! 37.Qd5 Nd5 38.Ra6=)) 36.Bb6+= Nb6 37.Qa5 (37.Qa6 e5 38.Nb3 e4+=) 37...Qd6 (37...Ra8 38.Nb3-/+) 38.Rc1 (38.Qa6!? e5 39.Nf5=) 38...Rc8 39.Rb1 Nc4 40.Qa4 a5 41.Rc1 Qd5 42.Nb3 Rc6 (better is 42...Kh7-/+) 43.e4= Qe4 44.Na5 Nd2?? (better is 44...Na5 45.Qe4 Rc1 46.Kg2 Nc6=) 45.Qe4 Rc1–+ (45...Rc1 46.Qe1 Re1 47.Kg2 Rc1–+; 45...Ne4?? 46.Nc6 Nd6 47.Rd1+–) 0–1. Mauron,Regis – Couronne,Patrice (1825), Montigny le Bretonneux Noel op, 2007.

5.e3 a6 6.Be2 Nbd7 7.0-0 c5 8.bc5 Bc5 9.d3 0-0 10.Nbd2 Bb7 11.c4 bc4 12.dc4 dc4 13.Bc4 Nb6 14.Be2 Qe7 15.Rb1 Rfd8 16.Bd4 Bf3 17.Bf3 Rab8 18.Bc5 Qc5 19.Qc1 Qc1 20.Rfc1 (20.Rbc1?? Rd2 21.Rb1 Ra2–+) 20...g6 21.Nb3 Nbd5 22.Nc5 a5 23.Nb7 Rdc8 24.Rc8 Rc8 25.Na5 Nc3 26.Rb4 Nfd5 27.Rc4 Rb8 28.h4 Rb1 29.Kh2 Ra1 30.e4 Ra3 31.ed5 ed5 32.Rc5 d4 33.Nc6 d3 34.Ne5 Nb1 35.Rd5 d2 36.Nc4 Ra2 37.Be4 d1Q 38.Rd1 Nc3 39.Rd2 Ra4 40.Rd8 Kg7 41.Bd3 f5 42.Rd7 Kh6 43.g4! fg4 44.Ne5 Ra1 45.Ng4 Kh5 46.Kh3 Rh1 47.Nh2 Kh6 48.Bc2 Ne2 49.Kg2 Rc1 (49...Rh2 50.Kh2 Nf4+–) 50.f4! Rc2 (50...Nf4 51.Kf3 Decoy) 51.Ng4 Kh5 52.Nf6 (52.Nf6 Kh4 53.Rh7) 1–0. Schalkwijk,Peter – Sarihan,Sefa, ZL–2006–0-00015, 2006.

5.e3 c6 (--> 1.b4 c6 2.Bb2 d5 3.e3 Nf6 4.Nf3 e6 5.a3 b5).

5.Nc3 Be7 6.Ne5 0-0 7.g3 (7.e3 Nbd7 8.Nd3 a5=+) 7...c5 (7...a5 8.ba5 d4 9.Nb1-/+) 8.b5 (8.bc5!? Nbd7 9.Nd7 Bd7 10.d4=) 8...d4-/+ 9.Na2 a6 10.e3 ab5 11.ed4 cd4 12.d3? (better 12.Bg2-/+) 12...Nc6 (better 12...Ba3!? 13.Nc1 Bb4 14.Ke2 Ra1 15.Ba1–+) 13.Nc6 bc6 14.Bg2 Bb7 (14...Ba3 15.Ba3 Ra3 16.0-0–+) 15.0-0 (15.Nb4 Qd7 16.0-0 c5 17.Bb7 Qb7–+) 15...Rb8 (15...Ba3 16.Qb1–+) 16.Nb4 (16.c3 c5–+) 16...c5 (16...Qd7 17.Na2–+) 17.Bb7 Rb7 18.Qf3 Nd5 (18...Qa8 19.Nc6–+) 19.Nc6 (19.Nd5 Qd5 20.Qd5 ed5–+) 19...Qd6 20.Ne7 Re7 21.Rfe1 (21.a4 ba4 22.Ra4 Rb8–+) 21...e5 22.a4 Nb4 23.Qe2 f5 (23...ba4!? 24.Ra4 Nd5–+) 24.ab5-/+ e4 (24...Qb6!?-/+) 25.de4=+ Re4 26.Qc4 Kh8 27.Re4 (27.c3 Nc2 28.Re4 fe4 29.Rc1=+) 27...fe4=+ 28.Re1 d3 29.Qe4 (29.Re4 d2 (29...Nc2?? 30.Re6 Qe6 31.Qe6+–; 29...dc2?! 30.Re2=) 30.Bg7 Kg7 31.Re7 Kh8 32.Qc3 Qd4 33.Qd4 cd4–+) 29...dc2 30.Rc1?? (better 30.Qg4 Rg8 31.Re6 Qd1 32.Kg2 Qd5 33.Kh3+=) 30...Qd1–+ 31.Kg2? (better 31.Qe1 Rd8 32.h3–+) 31...Nd3 32.Qe3 Rf2 (better 32...Nb2 33.Qc5 Qf3 34.Kg1–+) 33.Qf2 Nf2 34.Kf2 c4 (34...Qd2 35.Kf1–+) 35.b6 (35.h4 c3! 36.Ba3 Qd4 37.Kf3 Qd5 38.Ke3 Qb3–+) 35...Qd2 (35...c3 36.Ba3–+) 36.Kf3 c3 37.Ba3 g5 (37...Qd3 38.Kf2–+) 38.Kg4 (38.Ke4 Qh2 39.b7 Qg3 40.Rc2 Qf4 41.Kd5 Qf3 42.Kd4 Qb7 43.Rc3 Qd7 44.Ke3 h5–+) 38...Kg7 39.b7 (39.h4 Qe2 40.Kf5 Qb5 41.Ke4 Qa4 42.Kd3 Qa3 43.Rc2 Qd6 44.Kc3 Qb6–+) 39...Qd7 (better 39...Qd1! 40.Kh3 Qd7 41.Kg2 Qb7 42.Kf2 Qa7 43.Ke2 Qa3 44.Rc2 Qa6 45.Ke3–+) 40.Kf3 Qb7 41.Ke3 Qa7 42.Kd3 Qa3 43.Rc2 Kf6 44.Rc3 Qd6 45.Ke3 (45.Kc4 Qc6 46.Kb3 Qb7 47.Kc4 Qg2–+) 45...Qb6 46.Kf3 Qb7 47.Ke3 Qg2 48.Rd3 Qh2 49.Kf3 (49.Ke4 Qe2 50.Re3 Qg2 51.Kd4 Kf5–+) 49...h5 50.Rd6 (50.Ke4 Qg2 51.Kd4 Kf5–+) 50...Ke5 51.Rd3 (51.Rd8 g4 52.Ke3 Qg3 53.Ke2 Qf3 54.Kd2 g3 55.Re8 Kf4 56.Rf8 Kg4–+) 51...g4 52.Ke3 Qg3 53.Ke2 Qg2 54.Ke3 Qe4 55.Kd2 Qg2 56.Ke3 h4 57.Rd1 Qf3 (57...Qe4 58.Kd2 Kd4 59.Ra1 Qd3 60.Ke1 Qc3 61.Kd1 Qa1 62.Ke2 Qb2 63.Kf1 g3 64.Ke1 g2 65.Kd1 g1Q) 58.Kd2 h3 59.Re1 Kd4 60.Re8 h2 61.Rd8 Qd5! 62.Rh8 (62.Rd5 Kd5 Combination) 62…h1Q (62...h1Q 63.Rh1 Qg2 64.Kd1 Kd3 65.Rh3 gh3 66.Ke1 Qe2; 62...Qa2 63.Kc1 h1Q 64.Rh1 Kc3 65.Rh3 gh3 66.Kd1 Qd2) 0–1. pete59 (1665) – negoflor, gameknot.com, 2018.

5.e3 c5 6.bc5 Bc5 7.Be2 Nc6 8.0-0 0-0 9.Nc3 a6 10.a4 Na5 11.Re1 Nc4 12.Bc4+= dc4 13.Qe2 Bb6 14.Qc4+/– Nd5 15.e4 Nc3 16.Qc3+– f6 17.a5 Ba7 18.e5 f5. guest299 – guest31, ICC, 2003.

5.e3 Bd6 6.c4 c6 7.c5 Bc7 8.Be2 Nbd7 9.d4 Ne4 10.0-0 Ndf6 11.Ne5 Nd7 12.f3 Nef6 13.f4 0-0 14.Nc3 b6? (better is 14...Ne8+=) 15.Nc6+– Bb7 (15...Qe8 16.Nb5 Nc5 17.Nc7 Qc6 18.Na8 Nce4+–) 16.Nd8 (16.Nd8 Rfd8 17.Rc1+–) 1–0. b4_player – hillary, internet, 2013.

5.e3 Bd6 6.c4 Bd7 7.Nc3 dc4 8.Bc4 0-0 9.d4 Nc6 10.Qb3 a6 11.0-0 b5 12.Bd3 e5 13.Ne4 Qe7 14.Rac1 Nd8? (better is 14...ed4 15.Nf6 Qf6+=) 15.de5+– Be5? (15...Ne4 16.Qd5 c6 17.Qe4 f5 18.ed6 Qe4 (18...fe4?? 19.de7 Re8 20.Be4 Re7 21.Ne5+–) 19.Be4 fe4+–) 16.Ne5 Be6 17.Qd1 Nb7 (17...Ne4 18.Be4 Rc8+–) 18.Nc6 Qd7 19.Nf6 gf6 20.Bf6 (20.Qf3 Bf5 21.Ne7 Kg7 22.Nf5 Qf5 23.Qf5 Rg8 24.Qf6 Kf8 25.Rc7 Rg2 26.Kg2 Ke8 27.Qe7) 20...Nd6 (20...Rfe8 21.Ne5 Bg4 22.Ng4+–) 21.Ne7 (21.Ne7 Qe7 22.Be7+–) 1–0. Huib – Noreastson, playchess.de, 2004.

5.e3 g6 6.Be2 Bg7 7.d4 0-0 (7...a5 8.b5+=) 8.0-0 a6 (8...Nbd7 9.Nbd2+=) 9.c4 dc4 (9...a5 10.b5+=) 10.Bc4 b5 (10...Nd5 11.Nc3+=) 11.Bb3 (11.Bd3 Bb7+=) 11...Bb7 12.Nbd2 (12.Nc3 Qd6+=) 12...Ng4 (12...Nc6 13.Qc2=) 13.h3 (13.Qc2 a5+=) 13...Nf6 14.Rc1 (14.Qc2 a5+=) 14...Nbd7 (14...a5 15.ba5 Ra5 16.Bc3+=) 15.Re1 a5 16.Qc2 (16.e4 ab4 17.ab4 Nb8+=) 16...ab4= 17.ab4 Nh5? (better is 17...Qe7!?=) 18.Qc7+/– Qc7 19.Rc7+– Bc8 20.Ne4 Ndf6 21.Nf6 Nf6 22.Nd2 Nd5 23.Bd5 Rb8?? 24.Bb3 e5 25.de5 Bf5 26.e4 Be6 27.Bd5 Bd5 28.ed5 Rfe8 29.f4 Ra8 30.Bd4 Ra2 31.Nf3 Ra4 32.Bc5 Ra2 33.d6 Kh7 34.d7 Rd8 35.Rd1 g5 36.Rc8 Rd7 37.Rd7 gf4 38.Rf7 Ra1 39.Kh2 h5 40.Rcc7 Kh6 41.Rg7 Ra2 42.Rh7 Kg6 43.Nh4 Kg5 44.Be7 1–0. carrafurca (2125) – maf (2100), net–chess.com, 2006.

5.g3 Bd6 6.d3 c5 7.e4 cb4 (better is 7...de4 8.de4 Bc7 9.Qd8 Bd8 10.bc5 Nc6+=) 8.e5+/– Bc5 (8...ba3!? 9.Bc3 Be7 10.ef6 Bf6 11.Bf6 Qf6+/–) 9.ef6+– g6 10.ab4 Bb4 11.Nbd2 Nc6 12.Bg2 Bd7 (12...d4 13.Ra4 a5 14.Nd4 Nd4 15.c3+–) 13.0-0 Qc7 14.Qe2 0-0-0 (14...a5 15.Rfb1+–) 15.Ne5 Bc5 (15...Bd2 16.Nc6 Qc6 17.Qd2 Qc5+–) 16.Nf7 Nd4 17.Qd1 Bd6 (17...Rhf8 18.Nd8 Kd8+–) 18.Bd4 e5 (18...a6 19.Qb1 Bc6 20.Nd8 Rd8 21.c4+–) 19.Ba7 (better is 19.Ra7 Be6 20.Nh8 ed4 21.Ng6 Bc5+–) 19...Bf5 (19...Be6 20.Nh8 Rh8 21.c4+–) 20.Bd5 Bh3 21.Nh8 (better is 21.Nc4 Bc5 22.Bb6 Bb6 23.Ra8 Kd7 24.Nce5 Qe5 25.Ne5 Kc7 26.Rd8 Rd8 27.Bb7 Bc5+–) 21...Bf1 22.Be6 Rd7 23.Nc4 Kd8 24.Bb6 (24.Bb6 Qb6 25.Nb6+–) 1–0. Janek – winyl, internet, 2016.

5.a3 Bd6 6.e3 =+.

5.a3 Be7 6.e3 0-0 7.c4 (7.Ne5 Nbd7=) 7...a6=+ 8.Qc2 ab5 9.cd5 Nd5 10.Bb5 Nd7 (10...Bd7 11.Bd7 Nd7 12.d3=+) 11.0-0 b6 (11...c6!? 12.Be2 Bd6=) 12.Bc6= Ra6 13.Rc1 Nc5 14.d4 Na4?? (better is 14...Nb7+=) 15.Ba4+– (15…Bb7 16.e4+–) 1–0. Wall,Bill – Cobaltblue, Internet, 1996.

5.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bb4 5.Nf3).

5.e3 c5 6.bc6 Nc6 7.Bb5 Bb7 8.Ne5 Qc7 9.d4 (9.0-0 Be7=) 9...0-0-0 (9...Bd6 10.f4+=) 10.Nd2 (10.0-0 Ne5 11.de5 Nd7=) 10...Ne5 11.de5 Nd7 12.0-0 (12.Qh5 g6 (12...Qc2?? 13.Rc1 Qc1 14.Bc1+–) 13.Qd1 Rg8=) 12...Ne5+= 13.f4 (13.Qh5 Nc6+=) 13...Nc6 (13...Nc4 14.Bd4-/+) 14.Qg4 (14.Qe2 f6+=) 14...a6-/+ 15.Bc6 Qc6 16.Bg7?? (16.Bd4 h5 (16...Qc2?? 17.Rac1 Qc1 18.Rc1 Kd7 19.f5+–) 17.Qe2 A) 17...Qc2 18.Rac1 (18.Bb6?! Ba3+=) 18...Qc1 19.Rc1 Kd7 20.Bb6+–; B) 17...Kd7+=) 16...Bg7 (better is 16...Rg8–+) 17.Qg7+= Rdf8 (17...d4 18.e4 (18.ed4?? Rhg8 19.Qg8 Rg8–+) 18...f5 19.Rae1+=) 18.Nf3 f6 (18...Kd8 19.Nd4 Qc7 20.f5+=) 19.Qg3 (19.Qe7 Qd7 20.Qb4 Qb5 21.Qb5 ab5+=) 19...Kd8 (19...Qc3 20.Qf2=) 20.Rad1 (20.Nd4 Qd6+=) 20...Rfg8= 21.Qf2 h5 (21...Ke8 22.Nd4 Qd7 23.Qh4=) 22.Qh4 (22.e4 Kc8 23.ed5 ed5+/–) 22...Rf8 (better is 22...Ke7=) 23.Nd4+/– Qd7 (23...Qd6+/–) 24.Qe1 (better is 24.f5!? ef5 25.Rf5+–) 24...e5+= 25.fe5 (25.Nf3 Rhg8+=) 25...fe5= 26.Rf8 Rf8 27.Qh4 Kc8 28.Nf3 e4 29.Ne5 (29.Nd4 Qg4 30.Qe1 h4=) 29...Qh7 (29...Qf5!? 30.Qg3 h4+=) 30.Qh3 Qf5?? (30...Kc7 31.Qg3 h4 32.Qg6=) 31.Qf5 (better is 31.Rf1! Qh3 32.Rf8 (worse is 32.gh3 Rg8 33.Kh1 d4–+) 32...Kc7 33.gh3+–) 31...Rf5+= 32.Ng6 a5?? (better is 32...Kd7+=) 33.Ne7+– Kc7 34.Nf5 Kc6 35.h4 Kc5 36.Ng7 (36.Ng3 Bc8+–) 36...Bc8 37.Nh5 Bg4 38.Rd5! Kd5 39.Nf6 Kc4 40.Ng4 Kd5 41.Kf2 (41.c4 Ke6+–) 41...b5 (41...Ke6 42.Kg3 b5 43.Kf4+–) 42.h5 Ke6 43.Kg3 Kf7 (43...Kf5 44.Kh4 b4 45.Ne5 Ke5 46.Kg5+–) 44.Kf4 Kg7 45.Ne5 Kh6 (45...a4 46.g4 Kh7 47.g5+–) 46.g4 b4 47.Ke4 Kg5 48.Kd4 1–0. overtoom – hildan45, gameknot.com, 2013.

5.e3 Nbd7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Nbd7 5.Nf3 b6).

5.Ne5 Bb7 6.a4 Qe7 7.e3 (7.a5 ba5 8.Ra5 c6=) 7...a6 (7...c5 8.Be2=) 8.Be2 (8.a5 ba5 9.Ra5 Qd6+=) 8...ab5 (better 8...Nfd7=) 9.0-0 (better 9.ab5!? Ra1 10.Ba1=) 9...ba4-/+ 10.c4 (10.Ra4 Ra4 11.Bb5 c6 12.Ba4 b5-/+) 10...dc4 (10...Qb4 11.Bc3 Qd6 12.Ra4 Ra4 13.Qa4 c6=+) 11.Bf3? (better 11.Ra4!? b5 12.Ra8 Ba8 13.Bc4 Bg2 14.Bb5 c6 15.Qc2-/+) 11...Bf3–+ 12.Qf3 Nd5 (12...c6 13.Nc4 b5 14.Ne5–+) 13.Nc3 (better 13.e4 Nb4 14.Nc3–+) 13...Nc3?? (13...c6 14.Na4 Qf6-/+) 14.Qa8+– Ne2 15.Kh1 f6 (15...Qd8 16.Qa4 c6 17.Nc6 Qd7+–) 16.Qb8 Qd8 17.Qd8 Kd8 18.Nf7 Kc8 (18...Ke7 19.Nh8 b5 20.Rae1+–) 19.Nh8 b5 (19...Bb4 20.Ra4 c5 21.Rfa1+–) 20.Rfe1 b4 (20...Ng3 21.hg3 Kd7 22.Reb1+–) 21.Re2 (better 21.Ra4 c3 22.Bc3 bc3 23.Re2 cd2 24.Rd2 Bc5+–) 21...Bc5 (21...a3 22.Ba3! ba3 23.Ree1+–) 22.Ra4 h5 (22...Kb7 23.Nf7 Be7 24.Re1+–) 23.Re1 (23.Ra5 Bd6+–) 23...e5 24.Ng6 (better 24.Rc1 Kb7+–) 24...c3 25.dc3 bc3 26.Bc3 Kb7 27.Bb4 Bb6 28.Rb1 (better 28.Bf8 f5+–) 28...Kc6 29.Bf8 Kd7 30.Rb6! cb6 31.Bg7 Ke6 32.Nh8 (32.Nf8 Ke7+–) 32...Kd5 33.Bf6 b5 34.Ra5 (better 34.Rb4 Kc5 35.Be7 Kd5 36.Rb5 Ke6+–) 34...Ke6 35.Be5! Ke5 36.Rb5 Ke4 37.Ng6 1–0. croach – fishmooney, net–chess.com, 2017.

5.g3 a6 6.a4 ab5 (6...Bc5 7.Bg2+=) 7.ab5 Ra1 8.Ba1 Qd6 (8...Bc5 9.Be5=) 9.Bg2 (9.Bf6 gf6 10.Nc3 Bg7=) 9...Be7 (9...Nbd7 10.0-0=) 10.0-0 (10.Be5 Qc5=) 10...0-0 (10...Nbd7 11.c4=) 11.Qc1 (11.Bb2 Qd7 12.c4 dc4=) 11...Qb4 (11...Qc5 12.Nc3+=) 12.Nc3 (12.Qb2 Bd7 13.Nc3 c5=) 12...d4 13.Na2 (13.Nd1 Qb5 14.Nd4 Qh5+=) 13...Qb5+= 14.Nd4 Qa6 (14...Qc4 15.Qb2=) 15.Nc3= Bb7 16.e4 (16.d3 Bg2 17.Kg2 Qb7 18.e4 Nc6+=) 16...e5 (16...c5 17.Nde2+=) 17.Nf5= Bb4 (17...Ba3 18.Qe1=) 18.Nd5 (18.d4 ed4 19.Nd5 Bd5 20.ed5 Qe2+/–) 18...Nd5= 19.ed5 f6 20.Qd1 (20.d4 Bc8 21.de5 Bf5 22.Qf4 fe5 23.Qb4+=) 20...Bc5 (20...Bc8 21.Qg4 Bf5 22.Qf5 Qc4+=) 21.d4+/– Bd6? (better is 21...ed4 22.Qg4 g6 23.Nd4 Qc4+=) 22.Qg4+– (22.Nd6?! cd6 23.de5 fe5+=) 22...g6 23.Nd6 cd6 24.Qe6 Kg7 (24...Rf7 25.Qd6 (25.de5?! de5 26.f4 ef4+/–) 25...Nd7 26.Bh3+–) 25.Qd6 ed4 (25...e4 26.Be4 Qe2 27.Bd3+–) 26.Bd4 b5 (26...Qa4 27.Qe7 Kg8 28.Bf6+– (28.Qb7?! Qd4 29.Rb1 Re8+–)) 27.Qc7 Kh6 (27...Rf7 28.Qb8 Qa2+–) 28.Ra1 Rc8 29.Be3 g5 30.Bg5! (30.Bg5 fg5 31.Ra6 Ba6 32.Qf7+–) 1–0. Fischer,Robert J – Ina,D, Cleveland sim, 1964.

5.e3 Bg7 6.Bd3 0-0 7.h4 Bd7 (7...Nbd7 8.0-0=+) 8.h5 (8.Nc3 a6 9.a4 c5=) 8...Nh5 (worse 8...gh5 9.Ne5+=) 9.Bg7 Ng7 10.Nc3 a6 11.a4 c6 (11...Ne8 12.0-0=) 12.Ng5 0–1. yodamo – Lightning_Steve, ChessWorld.net, 2008. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6)

5.e3 Bg7 6.g4 0-0 7.g5 Ne4 8.Bg7 Kg7 9.d3 (9.h4!?=) 9...Ng5-/+ 10.h4 Nf3 11.Qf3 e5 12.h5 Bf5 13.h6 (13.Nc3 c6 14.hg6 fg6-/+) 13...Kh8-/+ 14.Qg3 Qd6 15.Nc3 Nd7 16.Bg2? (better 16.a3-+) 16...Qb4 17.Kd2 (17.0-0 Qc3 18.Bd5 Rab8-+) 17...d4 18.ed4 ed4 19.Qc7 (19.Kd1 Qc3 20.Rb1-+) 19...Qc3 (better 19...Rac8 20.Qb7 Rfe8 21.Qc8 Rc8-+) 20.Qc3 dc3 21.Kc3 Rac8 22.Kd2 Ne5 (22...Rc7 23.Rae1-+) 23.Bb7 (23.f4 Nd3 24.cd3 Rfd8=+) 23...Rc7 24.Bg2 Rfc8 25.Rac1 Ng4 (25...Rd8 26.a4-/+) 26.f4 Be6 27.a4 Nf6 28.Bc6 Bd5 (28...Rc6?! 29.bc6 Bd5 30.Rh2=) 29.Bd5 Nd5 30.f5 Nb4 (30...Nc3 31.fg6 fg6 32.Ra1-/+) 31.c4=+ a6 (31...gf5!? 32.Rb1 Nd3 33.Kd3 Rc4=) 32.b6 Rb7 33.a5 (33.c5 Rd8 34.Rh3 gf5+=) 33...Nc6 34.Ra1 Re8 35.Kc3 (35.Rhe1 Re1 36.Re1 Rb8+=) 35...Re5 (35...gf5!? 36.c5 Rd7=+) 36.fg6 (36.Rhe1 Rbe7 37.Re5 Re5+=) 36...hg6 37.d4 Ra5 38.c5 Kh7 (38...Ra1 39.Ra1 Rd7 40.Rd1+=) 39.Kc4 (better 39.Ra5!? Na5 40.d5+/-) 39...Ra1= 40.Ra1 Kh6 (40...Rd7!? 41.d5 Ne5 42.Kd4 Nc6 43.Kc4 Ne5 44.Kd4 Nc6 45.Kc4=) 41.Ra6+= f5 42.d5 Ne5 43.Kd4 Nd7?? (43...Nf3 44.Kc3 Nd2+-) 44.c6 Rb6 (44...Nb8 45.c7 Na6 46.c8Q Rb6 47.Qh8 Kg5 48.Qd8 Rf6 49.Ke5+-) 45.Rb6 Nb6 46.Kc5 (46.d6 Nc8 47.d7 Na7+-) 46...Nc8?? (better 46...Na4 47.Kb4 f4+/-) 47.d6+- f4 (47...Nd6 48.Kd6 f4 49.c7+-) 48.d7 f3 49.dc8Q (49.dc8N?? f2 50.c7 f1Q-+) 49...g5 (49...Kg5 50.Qd8 Kh5 51.c7 f2 52.Qh8 Kg4 53.c8Q Kf3 54.Qd4 Ke2 55.Qcg4 Ke1 56.Qgd1) 50.Qh3 (50.Qh3 Kg6 51.c7 g4 52.Qg4 Kf7 53.Qf5 Ke7 54.c8Q f2 55.Qfe6; 50.c7 Kg6 51.Qe6 Kh5 52.c8Q g4 53.Qg4 Kh6 54.Qh8) 1-0. alessandrocarvalhaes (1750) - Pinha (1780), lichess.org, 2018.

5.Na3 cb4 6.cb4 Bb4 7.Qb3 Qa5 8.Nc2 Be7 9.Bc3 Qd8 10.g3 0-0 11.e3 Ne4 12.Bd4 Nc6 13.d3 Nd4 14.ed4 Qa5 15.Ke2 Ng5 16.Ne5 Qa6 17.Bg2 f6 18.h4 fe5 19.hg5 Bg5 20.Rh5 h6 21.Nb4 Qb6 22.Bd5 Qd4 23.Be6 Be6 24.Qe6 Kh8 25.Rg5 Rf2 0–1. Kientzler – Woelfelschneider, CIF 1989.

5.bc5 Bc5 6.e3 Qb6 7.Qb3 Nc6 8.d4 Qb3 9.ab3 Bb6 10.Nbd2 0-0 11.Bd3 Nd7 12.0-0 a6 13.c4 Nb4 14.Bb1 Re8 15.Bc3 Nc6 16.c5 Bc7 17.Bd3 (17.b4 b6+=) 17...f6 (17...e5 18.Bb5=) 18.b4 e5 19.Be2 e4 20.Ne1 Ne7 21.b5 Nf8 22.b6 Bd8 23.Nb3 Nc6 24.Nc2 Ng6 25.Bb5 Re6 (25...Bd7!?+/–) 26.Bc6+– bc6 27.Na5 Bd7 (better is 27...Rb8+–) 28.Nb4 Ne7 (28...Bc8 29.Nbc6 Bb6 30.cb6 Bb7 31.Nb7 Rc6+–) 29.b7 Rb8 30.Na6 (30.Na6 Rc8 31.Rfb1+–) 1–0. Williams,Barry M – Cotton,Logan R, NZCCA HT corr New Zealand, 1998.

5.bc5 Bc5 6.e3 Nc6 7.Be2 0-0 8.d3 d4 9.ed4 Nd4 10.0-0 Ne2 11.Qe2 Nd5 12.Nbd2 Re8 13.Ne4 Bf8 14.Nfg5 h6 15.Nf3 Bd7 16.Ne5 Qc7 17.c4 Nb6 18.Qg4 Re7 19.Nf6 Kh8 20.Nh5 Be8 21.a4 Na4 22.Bd4 Nc5 23.Rad1 f6 24.Ng6 Bg6 25.Qg6 e5 26.Be3 Ne6 27.Bh6 gh6 28.Nf6 Bg7 29.Qh7 1–0. Saradjen,Janko – Kavcic,Uros, It open, 1993.

5.e3 b5 6.Be2 Bb7 7.a4 a6 8.ab5 ab5 9.Ra8 Ba8 10.Nc3 c6 11.Qa1 Nbd7 12.Na2 Be7 13.0-0 0-0 14.d3 cd3 15.Bd3 Nd5 16.Bg7 Bf6 17.Bf6 Qf6 18.Nd4 Ne5 19.Be2 Kh8 20.Rc1 Rg8 21.g3 Ng4 22.Bg4 Rg4 23.h3 Rg6 24.e4 Ne7 25.Nf3 Qa1 26.Ra1 c5 27.Ne5 Rf6 28.Nc3 Bc6 29.bc5 b4 30.Ne2 Be4 31.Nf4 b3 32.f3 b2 33.Rd1 b1Q 34.Rb1 Bb1 35.c6 Nc6 36.Nc6 e5 37.Ne5 Rf5 38.Ng4 Kg7 39.Kf2 Ra5 40.h4 Ra2 41.Ke3 Ra3 42.Kf2 Ra2 43.Kg1 Bc2 44.Nh5 Kf8 45.Nhf6 Bd1 46.Nh7 Kg7 47.Ng5 f6 48.Ne6 Kf7 49.Nd4 Ke7 50.Ne3 Ba4 51.h5 Be8 52.g4 Ra3 53.Kf2 Ra2 54.Kg3 Bd7 55.Kf4 Kf7 56.Ndf5 Ra4 57.Kg3 Kg8 58.Nd6 Ra3 59.Nd5 Bc6 60.Nf6 Time forfeit 1-0. carlos78 (2225) - Appie (2125), Rated Blitz game, lichess.org, 2015.

5.e3 Nc6 6.a3 Be7 7.Bc4 0-0 8.Qc2 a5 9.b5 Nb8 10.0-0 Nbd7 11.Nc3 Nb6 12.Be2 Nbd5 13.Nd5 ed5 14.Rac1 Bd6 15.Ng5 g6 16.Qc3 Be7 17.f4 d4 18.Qd4 Qd4 19.Bd4 (worse 19.ed4 Bd6+/-) 19...Nd5 20.a4 Bd6 21.Bf3 Be6 22.Ne4 Bb4 23.Bc5 Bc5? (better 23...Rfe8!?+/-) 24.Rc5 b6?? (24...Kg7+-) 25.Rd5! Bd5 26.Nf6 Kg7 27.Nd5 (27.Bd5?! Rad8+=) 27...Rad8 (27...Ra7 28.Rc1 Rd8 29.d4+-) 28.Rc1 Rd7 29.Rc7 Rc7 30.Nc7 Rc8 31.Nd5 Rc2 32.Nb6 Rd2 33.Nc4 Ra2 34.b6 Ra4 35.b7 Rb4 36.Na5 Kf6 (36...f5 37.Kf2 Kf8 38.Bd1+-) 37.Kf2 Rb2 (37...h6 38.Be2+-) 38.Kg3 Ke6 (38...Rb5 39.Bd5! g5 40.e4+-) 39.Nc6 1-0. carlos78 (2145) - Koroner999 (2205), Rated Blitz game, lichess.org, 2015.

5.b5 dc4 6.a4 Bc5 (better 6...a6!? 7.bc6 Nc6=+) 7.e3= a6 (7...Nbd7 8.Bc4 Nb6 9.Be2+=) 8.Bc4 (8.Nc3 ab5 9.ab5 Ra1 10.Qa1 Nbd7+–) 8...ab5 9.ab5 Ra1 10.Ba1 Qa5 (10...Bd7 11.Nc3+=) 11.Nc3 (11.Bc3 Qd8+–) 11...0-0 (11...Bd7 12.Qb1+=) 12.0-0 Bb4 (12...Bd7 13.Qb3+=) 13.Qb1 (13.Bb2!?+–) 13...cb5+= 14.Nb5 Bd7 15.Ng5 (15.Qd3 Rd8 16.Bd4 Be8+=) 15...h6= 16.Bf6 hg5 17.Bc3 Bc3 18.Nc3 Bc6 19.Bb5 Rd8 20.Bc6 Nc6 (20...bc6 21.h3+=) 21.Qb7+– Ne5 22.Ne4 Nd3 (22...Rd7 23.Qb3+–) 23.Qe7 Qd5 (23...g4!?+–) 24.Qg5+– Qg5 25.Ng5 e5 26.g4 (26.h4 Ra8+–) 26...f6 (26...g6 27.Rb1+–) 27.Ne4 Kf7 (27...Rc8 28.Rb1+–) 28.Rb1 Kg6 (28...Ke6 29.f3+–) 29.Kf1 Rh8 (29...Rc8 30.Ke2 Nc1 31.Kf3+–) 30.Ke2 Rd8 31.h4 (31.Rb7 Nc1 32.Kd1 Nd3+–) 31...Rd7 32.f3 Kf7 33.h5 Kg8 (33...Ke7 34.Rb6+–) 34.Ng3 (34.h6 Kh7 35.hg7 Kg7+–) 34...Kh7 (34...Kf7 35.Rb8+–) 35.Nf5 (35.Rb6 Nc1 36.Kd1 Nd3+–) 35...g6 (35...Kg8 36.Rb8 Kf7 37.Rc8+–) 36.Ng3 Nc5 37.hg6 (better 37.Rb6 Kg7+–) 37...Kg6 38.Rb6 Nd3? (38...Kf7+–) 39.Ne4 1–0. Bulcourf,Carlos (1990) – Olivares,D (2070), Liga Nacional Superior, 2017. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.c4 c6)

5.b5 dc4 6.bc6 Nc6 7.e3 Na5 8.Ba3 b5 9.Bf8 Kf8 10.d3 cd3 (10...Bb7!?-/+) 11.Bd3+= Qb6 12.0-0 Ke7 13.Qe2 a6 14.Nc3 Bb7 15.a4 (15.Rac1!?+=) 15...b4 16.Rab1 Rac8 17.Na2 Nc6 18.Qb2 a5 19.Nc3 Rhd8 20.Rfd1 Rd7 21.Nb5 g6 (21...Rcd8!? 22.Qc2 Kf8-/+) 22.Be2+= Rcd8 23.Rd7 Rd7 24.Nd2 Qd8 25.Nb3 Ne4 26.Rc1 Ba8 27.Qc2 f5 28.f3 Nf6 29.Nc5 Rd5 30.f4 e5 31.Bf3 e4 32.Be2 Qb6 (32...Rd2!? 33.Qc4 Qd5-/+) 33.Kf2 Nd8 34.g4 Nf7 35.gf5 gf5 36.Nb3 Ne8 37.N3d4 Bb7 38.Bc4 Rc5 39.Nb3 Rc8 40.Qb2 Qh6 41.Kg1 Qg6 42.Kh1 Qb6 43.N5d4 Ng7 44.Rg1 (44.Qg2!? Qg6 45.Qf2=) 44...Rc4+= 45.Rg7 Bc8 46.Rh7 Rc3 47.Qe2 (47.Qg2 Qf6 (47...Re3 48.Qg5 Qf6 49.Nc6 Ke6 50.Nc5 Kd5 51.Qf6 Kc5 52.Na5 Re1 53.Kg2 Re2 54.Kf1+–) 48.Qg5 Qg5 (48...Re3 49.Nc6 Ke6 50.Nc5 Kd5 51.Qf6 Kc5 52.Na5+–) 49.fg5 A) 49...Re3 50.g6 Rb3 51.Nb3+– (51.Rf7?! Ke8 52.Nb3 Be6+–); B) 49...Kf8=) 47...Qg6-/+ 48.Rh3 Bd7 49.Rg3 Qf6 50.Qh5 Qa6 (worse is 50...Ba4 51.Rg6 (51.Nf5?! Kf8 52.Nbd4 Bd7=) 51...Qh8 52.Qf5 Bb3 53.Nb3+–) 51.Kg2 Qd3 (51...Qh6!? 52.Qh6 Nh6 53.Rg7 Nf7 54.Na5 Ba4=) 52.Rg7= Be6 53.Ne6 Qc2 54.Kh1 Qb1 55.Rg1 Qb3 (55...Rb3?? 56.Nd4 Qg1 57.Kg1 Rb1 58.Kf2+–) 56.Nd4 Qc4 (56...Qa4?? 57.Nf5 Kd8 58.Qf7+–) 57.Nf5 Kd7 58.Nh6 Nd6 59.Ng4 (59.Ng4 Kc8 60.Qa5+–) 1–0. Mayer,Karl – Czeppan,O, GER corr Germany, 1937. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6)

5.e3 Nbd7 (--> 1.b4 c6 2.Bb2 d5 3.e3 Nf6 4.Nf3 Nbd7 5.c4 e6).

5.c3 Bd6 6.Nbd2 Nc6 7.e4 de4 8.Ne4 Bf4 (8...Ne4 9.de4 Bd7 10.Qb3-/+) 9.c4 Ne4 10.de4 Qd1 11.Kd1 (better 11.Rd1 f6 12.e5 Ne5 13.Ne5 Be5 14.Be5 fe5 15.Bd3-/+) 11...Nb4 (better 11...e5-/+) 12.Bg7+= Rg8 13.Bf6 Nd3?? (better 13...Bd7 14.g3 Bh6=) 14.Bd3+- Rg2 15.Bh4 (15.Ke2!? h6+-) 15...a5 (15...e5 16.Ke2+-) 16.Ke2 Ra6 (16...e5 17.Bg3 Bg4 18.Bf4 ef4 19.Rag1 Rg1 20.Rg1 Bf3 21.Kf3+-) 17.Rab1 (17.c5 Ra8 18.Bg3 e5+-) 17...Rd6 (17...e5 18.Rb5 c6 19.Rbb1+-) 18.Rb5 (18.e5 Rd3 19.Kd3 b6+-) 18...b6 19.c5 (19.Bg3!? Bg3 20.hg3 Rd3 21.Kd3 Rf2+-) 19...bc5?? (better 19...Rd3 20.Kd3 Ba6+=) 20.Rc5 Rb6 21.Rc7 (21.Bg3 Rb2 22.Rc2 Rc2 23.Bc2 Ba6 24.Ke1 Bd6+-) 21...Rb2?? (better 21...Bc7 22.Rc1 Kd7-/+) 22.Bc2 (better 22.Rc2 Rc2 23.Bc2 Ba6 24.Ke1+-) 22...Ba6 23.Ke1 (23.Kd1 Bc7 24.a4 Ra2-+) 23…Ra2 0-1. alt20 – msud, lichess.org, 2015.

5.c3 Bd6 6.g3 e5 7.Ba3 0-0 8.Bd6 Qd6 9.Bg2 c5 10.0-0 Nc6 11.Na3 Rd8 12.Qc2 Bf5 13.e4 de4 14.de4 Be4 15.Qb2 Qd5 16.Nh4 Bg2 17.Ng2 Rd7 18.Ne3 Qf3 19.Nac2 Rad8 20.Ne1 Qh5 21.c4 b6 22.N1g2 Rd2 23.Qc3 Nd4 24.f4 Ne2 (25.Kh1 Ng3 26.Kg1 Ne2 27.Kh1 Ne4–+) 0–1. coolerdude – Klaus Behrmann, ChessWorld.net, 2004.

5.c3 Be7 6.g3 0-0 7.Bg2 c6 8.0-0 Nbd7 9.Nbd2 e5 10.e4 de4 11.Ne4 Ne4 12.de4 f6 13.Nh4 Nc5 14.Nf5 Bf5 15.Qd8 Rfd8 16.Rfe1?? (better is 16.ef5 Rd7 17.Rfd1–+) 16…Be6 0–1. Jokmin,Alex – Motz,Markus, SN–2009–0-00193, 2009.

5.b5 Bc5 6.d4 Bd6 7.c4 dc4 8.e3 b6 9.Nbd2 Bb7 10.Nc4 0-0 11.Bd3 Ne4 12.h4 (12.0-0 Nd7+=) 12...f5= 13.Be4 fe4 14.Ng5 Qf6 15.Qe2 (15.Qc2!? Nd7 16.d5+=) 15...Bd5= 16.0-0-0? (better 16.0-0!? Nd7 17.Qc2=+) 16...Nd7 (16...Qf2 17.Qf2 Rf2 18.Rd2-+) 17.Rdf1 h6 18.Nh3 e5 (18...Qh4!? 19.Ne5 Be5-+) 19.Kb1=+ Qe6 (19...Rad8 20.Rc1=+) 20.Rc1 Rac8 (20...Rf5 21.de5 Ne5 22.Be5 Be5 23.Ne5 Qe5 24.g4=+) 21.Rhd1= ed4 22.Rd4? (22.Bd4!? Qf7 23.Nf4 Bc4 24.Rc4=) 22...Nc5-/+ 23.Nd6?? (better 23.Qh5 Bc4 24.Rcc4-+) 23...Ba2-+ (23...Qd6? 24.Rcd1 Nd3 25.R1d3 ed3 26.Qd3+-; 23...cd6?! 24.Rd5 Qd5 25.Nf4-+) 24.Kc2 cd6 25.Kd1 Qb3 26.Ke1 Nd3 27.Rd3 ed3 28.Qd2 Rc1 (28...Rc2 29.Rc2 dc2 30.Bc1-+) 29.Qc1 Qc4 (29...Qb5 30.Nf4-+) 30.Qc4 Bc4 31.a4 (31.Bd4-+) 31...Bb3 32.Bd4 (32.Nf4 Ba4 33.Nd3 Bb5-+) 32...Rb8 (32...Ba4!? 33.Bb6 Bb5 34.Nf4-+) 33.Nf4 Ba4 34.Nd5 (34.Nd3 Bb5 35.Nf4 a4-+) 34...Bb5 35.Bb6 (35.Kd2-+) 35...Bc4 36.Ne7 (36.e4 Bd5 37.Ba5 Be4-+) 36...Kf7 37.Nf5 (37.Bd4 Ke7 38.Kd2-+) 37…Rb6 (37...Rb6 38.e4 a4-+) 0-1. Batkoski,Nenad (1845) - Caglar,Sila (2090), 20th ch-EUR Indiv, 2019.

5.c3 ab4 6.cb4 c5 7.Qb3 c4 8.Qc3 Bd7 9.e3 Be7 10.d3 cd3 (10...Ba4 11.Be2 b5 12.Nbd2=+) 11.Bd3 Nc6 12.Nbd2 Rc8 13.Qb3 0-0 14.0-0 Ng4 15.h3 Nf6 16.Rfe1 Qb6 17.Rad1 Ra8 18.Bb1 Bd6? (18...Nd8+=) 19.Nd4?? (better 19.Qc2 Nb4 20.ab4+/-) 19...Nd4=+ 20.Bd4 Qd8 (20...Qa6 21.Qb2 Ne8 22.Qc2=+) 21.Bb2 (21.Qb2 Ba4 22.Rc1 Re8=) 21...Ba4 22.Qd3 Bb5?? (22...e5 23.Rc1=) 23.Qd4 (better 23.Qb5 Qc7 24.Bf6 gf6 25.e4+-) 23...e5= 24.Qh4 g6 (24...Re8 25.f4=) 25.Nf3 (25.f4 Nd7 26.Qd8 Rfd8+=) 25...Ba4 26.Rc1 Nd7 (26...Re8 27.Ba2=) 27.Qd8 Rfd8 28.Bc2 (28.Ba2 e4 29.Bd5 ef3 30.Bb7 Ra7 31.Bf3 Be5 32.Be5 Ne5=) 28...Bc6 (28...e4 29.Ba4 Ra4 30.Nd4=) 29.Bb3 Kf8 (29...e4!? 30.Nd4 Ne5 31.Nc6 bc6=) 30.Red1+/- e4 31.Nd4 Rac8? (better 31...Be5+=) 32.b5+- (32.Nc6?! bc6 33.Ba4 Be5+=) 32...Ne5 33.bc6 bc6 34.Rc3 (34.Rd2 Rc7+-) 34...Nd3 (34...c5 35.Nb5 Nd3 36.Nd6 Rd6 37.Ba1+-) 35.Rcd3 (better 35.Rdd3!? ed3 36.Nc6+- (36.Rd3?! c5=; 36.Rc6?! Rc6 37.Nc6 Rc8+=)) 35...ed3+/- 36.Rd3 (36.Ba4 c5 37.Nc6+/- (worse 37.Rd3 cd4 38.ed4 Rb8-/+)) 36...Be5? (better 36...c5 37.Nb5 c4 38.Rd5 Bh2 39.Kh2 Rd5=) 37.Ba4 c5 38.Ne6! fe6 39.Be5 c4 40.Rd1 Ra8 41.Bc2 (better 41.Bb5+-) 41...Ra3= 42.Rb1 Ra2 43.Bd1 Rda8 44.Bg4 R2a6 45.Rb7 (better 45.Bf3 Ra2 46.e4+=) 45...R8a7? (45...h5 46.Bf3 R8a7 47.Rb8 Kf7 48.Rh8=) 46.Rb8?? (better 46.Ra7 Ra7 47.Be6+-) 46...Kf7= 47.Kh2 h5 48.Bf3 Ra2 49.Bg3 (better 49.Kg3!?=) 49...c3-/+ 50.Rc8 c2 51.e4 (51.Be5 Rb7 52.e4 Rb1 53.Rc7 Ke8=+) 51...d4 52.Bf4 d3 53.Bd2 (53.e5 Rd7 54.Bd2 Raa7=+) 53...Rd7 (53...e5 54.Rc5-+) 54.Rc6 (54.e5 Raa7=+) 54...Ra1 (54...e5 55.g4 h4 56.Kg2-+) 55.Kg3 (55.e5 Ra4-/+) 55...Ke7 (55...Rd1!? 56.Be3 e5-+) 56.e5-/+ Kd8 (56...Ra4 57.h4-/+) 57.Rc3 (57.Be4 Rc7 58.Bg5 Kc8 59.Re6 Rc3+=) 57...Ke7 (57...c1Q 58.Bc1 d2 59.Bd2 Rd2 60.Rc6=+) 58.Be4 (58.Kf4 Kf7+=) 58...Kf7 (58...Rd1 59.Be3 Kf7 60.Kf4=) 59.Bd3 (better 59.Kf3 c1Q 60.Bc1=) 59...Rd3?? (better 59...Rd1 60.Bc2 R1d2=) 60.Rd3+/- c1Q (60...Rd1 61.Rf3 Kg7 62.Bg5+-) 61.Bc1+- Rc1 62.Re3 (62.Rd7 Kf8+-) 62...Rc5 (62...g5 63.Rf3 Ke7 64.Rb3+/-) 63.Kf3 (63.f4 Rc4+-) 63...Kg7 64.g4 Kf7 (64...g5 65.gh5 Kh6 66.h4+/-) 65.gh5 gh5 66.Kg3 Kg6 67.Kh4 (better 67.Kf4!?+/-) 67...Rc4= 68.Kg3 Rc5 69.f4 (69.Kf4!?+/-) 69...Rc4 70.Kh4?? (better 70.Rf3!?+=) 70...Rf4=+ 71.Kg3 Rf5 (better 71...Kf5!?-/+) 72.Re4= Rg5 73.Kf3 (73.Kf4 Rg1 74.Re2 h4=) 73...Rf5 (better 73...Kf5!? 74.Re3 Rg1-/+) 74.Kg3 Rg5 75.Kh2 (75.Kf4 Rg2=) 75...Rf5 (better 75...Kf5 76.Ra4 Ke5-/+) 76.h4 (better 76.Kg2!?=) 76…Rg5 (76...Rg5 77.hg5 Kg5+-) 0-1. dannysmet (2040) - nemeev_e (2035), Rated Blitz game, lichess.org, 2020.

5.c3 Nc6 6.e3 Bd6 7.Be2 (7.b5 Ne5=) 7...Qe7 (7...e5 8.b5 Ne7 9.d3=+) 8.0-0 0-0 (8...ab4 9.ab4 Ra1 10.Ba1=+) 9.d4 e5 10.de5 (10.b5!? e4 11.bc6 ef3 12.Bf3 bc6 13.c4 dc4 14.Qc2= (worse 14.Bc6 Bh2 15.Kh1 Ng4-+)) 10...Ne5=+ 11.Nbd2 c6 12.Qc2 g6 (12...Bg4!?=+) 13.Ne5 Be5 14.Nf3 Bc7 (14...Bf5 15.Qd1=) 15.Bd3 (15.c4 dc4 16.Qc4 Nd5+=) 15...Ne4 16.Nd2 (16.c4 Bg4=) 16...f5 17.b5 (17.Nf3 f4=) 17...Qd6 18.g3 h5 (better 18...cb5 19.Bb5 Bd7 20.Bd7 Qd7=) 19.h4?? (better 19.c4+=) 19...Ng3-/+ 20.Nc4?? (better 20.Rfd1 Ne4 21.Nf3 cb5 22.Bb5-+) 20...Ne2-+ (20...dc4?! 21.Bc4 Be6 22.Be6 Qe6 23.fg3 Qe3 24.Qf2 Qg3 25.Qg3 Bg3 26.bc6 bc6 27.c4-+) 21.Be2 (21.Kg2 Qh2 22.Kf3-+) 21…Qh2 (21...dc4?! 22.Bc4 Kh7 23.f4-/+) 0-1. dannysmet (2070) - Hercegovina (2235), Rated Blitz game, lichess.org, 2020.

5.c3 Bd6 6.e3 0-0 7.d3 e5 8.Nbd2 Nbd7 9.c4 ab4 10.ab4 Ra1 11.Qa1 dc4 12.dc4 (12.Ne5 Ne5 13.Be5 Bb4 14.Bf6 Qf6 15.Qf6 gf6 16.d4–+) 12...Bb4-/+ 13.Bd3? (Better is 13.Bc3 Bc3 14.Qc3-/+) 13...e4–+ 14.0-0 (14.Bc3 Bc3 (14...ed3?! 15.Bb4 c5 16.Bc3-/+; 14...ef3?! 15.Bb4 fg2 16.Rg1-/+) 15.Qc3 ed3 16.Qd3 Qe7–+) 14...ed3 (14...ef3?! 15.Nf3 Qe7 16.Rd1–+) 15.Nb3 Nb6 16.c5 Nbd5 17.Bd4 Bg4 18.Ne5 Be2 19.Rb1 d2 20.Nd2 Bd2 21.Qb2 Ne4 22.f3 Ndc3 23.Bc3 Be3 24.Kh1 Nf2 0–1. TW90HAN (1680) – b4_player (2160), GameColony.com, 2002.

5.Bc3 a4 6.e3 c5 7.b5 Ne4 8.Bb2 Bd6 9.Bg7 Rg8 10.Bb2 d4? (10...Nd7 11.Nc3=) 11.d3 (11.ed4 Nd7+–) 11...Ng5 12.ed4 Nf3 13.Qf3 cd4 14.Bd4 e5 15.Be3 Qa5 16.Bd2 Qb5 17.Bc3 Bg4 18.Qe3 Bf5 19.Nd2 Nd7 20.d4 Qd5 21.de5 Be5?? (21...Bc5 22.Qf4 Bg6 23.Rd1+–) 22.Be5 Ne5?? 23.Nf3 Qa5+= 24.c3 f6 25.Nh4?? 0-0-0-/+ 26.Nf5 Rde8?? 27.Nd6+– Kd7 28.Ne8 Re8 29.Qh3 Ng4 30.Be2 f5 31.Qd3 Kc7 32.0-0 Ne5 33.Qb5 Qa7 34.Qe8 1–0. Hardin – ssteelers, Live Game Caissa's Web, 2004.

5.Bc3 ab4!? 6.ab4 Ra1 7.Ba1 Bb4 -/+.

5.Bf6 Qf6 6.c3 ab4 7.Qb3 Ra3 (better 7...c5-+) 8.Na3= ba3 9.e3 Nc6 10.Bb5 Bd6 11.0-0 0-0 12.Bc6 bc6 13.d4 Ba6 14.Rfc1 Bc4 (14...Qh6 15.h3=+) 15.Qa4 Bb5 16.Qb3 Qe7 17.Ne5 Qd8 (17...f6 18.Nf3=+) 18.c4= dc4 (18...f6!? 19.cb5 fe5 20.de5 Be5-/+) 19.Nc4+= Bc4 20.Qc4 Qb8 21.Qc6 Qb2 22.Rcb1 Qe2 23.g3 h5 24.Kg2 g6 25.h4 Qd3 26.Qf3 Rc8 27.Rb7 Qc3 28.Ra2 Qc4 29.Qe2?? (better 29.Rd2+=) 29...Qd5-+ 30.Qf3 Qa2 31.Ra7 Qd5 32.e4 (32.Ra4 Qf3 33.Kf3 Rb8-+) 32...Qd4 33.Ra3 (33.Ra5 Qb4 34.Ra6 Qc4-+) 33...Ba3 34.Qf4 (34.Qa3 Qe4 35.Qf3 Qf3 36.Kf3 c5-+) 34...Bd6 35.f3 Bf4 36.Kh3 (36.gf4 Qd2 37.Kg3 Ra8 38.e5 Ra2 39.f5 Qh2) 36...Bg3! 37.Kg2 (37.Kg3 Qg1 Combination) 37...Qf2 38.Kh3 Qh2 0-1. akidiva (2155) - almasssss (2375), Rated Bullet game, lichess.org, 2021.

5.g3 ab4 6.ab4 Ra1 7.Ba1 Bb4 8.Bf6 Qf6 9.Bg2 Bd6 10.0-0 0-0 11.d3 (11.Nc3 Bb4-/+) 11...Qe7 (11...Rd8 12.c3-+) 12.e4 (12.Nc3 c6-/+) 12...c5 (12...de4 13.de4 Rd8 14.Qe2-+) 13.ed5-/+ ed5 14.Re1 Qc7 (14...Be6 15.Nc3 d4 16.Ne4-/+) 15.Nc3 Be6 (15...d4 16.Nb5 Qd8 17.Nd6 Qd6 18.Qb1-/+) 16.Nb5 (16.Ng5!? d4 17.Nb5=) 16...Qb6 17.Nd6 Qd6 18.Ne5 (18.Ng5 Nd7=+) 18...Nc6 19.Nc6 bc6 20.c4 dc4 21.dc4 Qd1 22.Rd1 Bc4 23.Bc6 (23.Rc1 Bd5-/+) 23...Be6-+ 24.Rc1 c4 25.Bb5 Rc8 26.Ba6 Rc6 27.Bb5 Rc5 28.Ba6 Kf8 29.Kf1 Ke7 30.Ke2 Rc6 31.Bb5 Rc5 32.Ba6 Bg4 (better 32...Kd6!?-+) 33.Kd2 (33.Ke3 c3=) 33...Be6 (33...Rd5 34.Kc3=+) 34.Kc3 (34.Ke2 Kd6-+) 34...Kd6 (34...Rc6 35.Ra1-/+) 35.Rb1 (35.Rd1 Kc7=+) 35...Ke5 (35...g5 36.Rd1 Ke5 37.Re1 Kf5 38.Kb4-/+) 36.Rb4 The pressure on the isolated pawn grows (36.Re1 Kf5-/+) 36...Ke4 37.Rb6 (37.Bb7 Kf5-/+) 37...Kf3 38.Rb2 Ra5 39.Bb7 Kg4 40.Bg2 Ra3 41.Kb4 Rb3 42.Rb3 cb3 43.h3 Kg5 44.Kc3 Kf6 (44...h5 45.Bf3-/+) 45.h4 Ke5 46.Bf3 Kd6 47.Be2 Kc5 48.Bd3 h6 49.g4 (better 49.Be2!?-/+) 49...g5 50.hg5 hg5 51.f3 (better 51.Be2-+) 51...Bd5 52.Bf5 f6 53.Bd3 (53.Bc8 Kd6-+) 53...Bf3 54.Kb3 Bg4 55.Kc3 Kd5 56.Kd2 Kd4 57.Bg6 (57.Bb5 Be6-+) 57...Be6 (57...f5!? 58.Be8 f4 59.Bc6-+) 58.Ke2 Bd5 (58...g4!? 59.Kf1-+) 59.Kf2 Be4 60.Bf7 f5 61.Kg3 (61.Bh5 f4-+) 61...Ke5 (61...f4!? 62.Kg4 f3 63.Kg3-+) 62.Be8 g4 63.Bd7 Bf3 64.Bc8 (64.Kf2 f4-+) 64...f4 65.Kf2 Kf6 66.Bd7 Kg5 67.Bc8 Be4 68.Bg4 (68.Ke2 g3 69.Be6-+) 68...Kg4 69.Ke2 Kg3 70.Kf1 Bg2 71.Kg1 (71.Ke2 f3 72.Ke1 f2 73.Kd1 f1Q 74.Kc2 Qc4 75.Kb1 Be4 76.Kb2 Qb4 77.Ka2 Bd5 78.Ka1 Qa3 79.Kb1 Be4) 71…f3 (71...Bh3 72.Kh1 f3 73.Kg1 f2 74.Kh1 f1Q) ½-½. LUISJAVIERLP (2240) - luis_alfredop (2210), Rated Bullet game, lichess.org, 2015.

6.Bc3 Ra8 7.Bb2 Bd6 8.Nc3 c6 9.e3 e5 10.Be2 -/+.

6.Nc3 d4 7.Na2 e5 8.c3 Be6 9.cd4 e4 10.Ne5 =+.

6.e3 Bd6 7.Bc3 Ra8 8.Be5 Be5 9.Ne5 Nbd7 10.d4 =+.

6.Ne5 d4 7.f4 Bc5 8.g3 Qd5 9.Rg1 0-0 10.Bg2 =+.

6.Bc3 Ne4 7.d4 Nc3 8.Nc3 Bd6 9.e3 c6 10.Nb1 =+.

6.Nc3 0-0 7.e3 Ra5 8.Be2 Qe7 9.0-0 b6 10.Nb1 =+.

6.c4 d4 7.e3 Nc6 8.Bd3 0-0 9.0-0 Ra5 10.Qc2 =+.

6.d4 Bd6 7.c4 dc4 8.Nbd2 c3 9.Bc3 Nd5 10.Bb2 =.

6.e3 Ra5 7.Be2 0-0 8.0-0 Nbd7 9.d4 Bd6 10.Nbd2 =.

6.Ne5 0-0 7.d4 Bd6 8.e3 Nbd7 9.c4 Ne4 10.Bd3 =.

6.a6 ba6 7.c4 =+.

6.a6 Ra6 7.e3= Ra8 8.Bb5 Bd6 (8...Bd7 9.Nc3=) 9.0-0 (9.Bc6 bc6 10.Ne5 c5=) 9...0-0 (9...Bd7 10.d3=+) 10.Bc6= bc6 11.a4 (11.d3 Qe7=) 11...Nd7 12.Nc3 (12.d3 e5=) 12...Ba6 (12...e5 13.Ba3=+) 13.d3= Qf6 14.Nd4 (14.Rb1 e5=+) 14...Rfb8=+ 15.Qc1 Be5 (15...Bb7 16.Nb3=+) 16.Nde2 Qh6 17.h3 (17.f4 Bf6=+) 17...c5 18.f4 Bf6 19.Ra2 c6 20.a5 Be7 21.Qd2 Bd6 22.Ng3 Rb7 23.e4 Qg6 24.Nce2= f5 25.c3 fe4-/+ 26.f5? ef5–+ 27.Rf5 Bg3 28.Rg5 Be1 29.Rg6 Bd2 30.Rc6 ed3 31.Ng3 Be3 32.Kh1 d2 (33.Ra1 Rb2–+) 0–1. kiloracer (2225) – witkapje (2000), net–chess.com, 2006.

6.e3= Na5 7.d3 (7.Ne5 Bd6=) 7...Be7 8.Be2 0-0 9.0-0 b5 (9...Nc6 10.Nbd2=) 10.Nbd2 Nd7 (10...Bb7 11.c4 dc4 12.dc4 bc4 13.Qc2=) 11.Nd4 (11.c4 c6=) 11...Bf6 (11...e5 12.Nf5 Bf6 13.d4=) 12.Rb1 (12.c3 Rb8=+) 12...c6 13.f4 Qc7 14.c4 bc4 (Black launches an attack) 15.dc4 (Opening the b–file gets Black a lot of play) 15...Ba6 16.cd5 ed5 17.Ba6 Ra6 18.Qg4 Rb8 19.Rfc1 (19.Ba1 Rb1 20.Rb1 Nc5=) 19...Rab6 20.Bc3 Rb1 21.Rb1 Rb1 22.Nb1 Nc4 23.Qe2 (23.Nf5 Qb7 24.Bf6 Qb1 25.Kf2 Qc2 26.Kg3+–) 23...Qb6-/+ 24.Nd2 Na3 25.Qg4 Qb7 26.Ne2 (26.Qf5 c5 27.Ne2 Nb5 28.Bf6 Nf6–+ (28...gf6?! 29.e4=)) 26...Nb1–+ 27.Nb1 Qb1 28.Kf2 Bc3 29.Nc3 Qc2 30.Ne2 f5 31.Qf3 Nf6 32.Kg3 Ne4 33.Kh4 h6 34.Nd4 Qc3. Kwiek,Janusz – Sokolowski,Ryszard, Poland–ch35 sf02 corr, 1991.

6.Nc3 Ra5 7.e3 Bd7 8.a4 0-0 9.Nb5 Ne4 10.Be2 =+.

6.e3 Ra5 7.Bc3 Ra8 8.Be5 Be5 9.Ne5 Nbd7 10.d4 =+.

6.Be5 Be5 7.Ne5 Nbd7 8.Nd7 Bd7 9.d4 c5 10.a6 =+.

6.a6 ba6 7.Nc3 Bd6 8.e3 e5 9.Be2 0-0 10.Rb1 =+.

6.Bc3 Bd6 7.d4 Qe7 8.Nbd2 0-0 9.e3 e5 10.de5 =.

6.Nc3 Ra5 7.e3 e5 8.Be2 Be7 9.0-0 0-0 10.Re1 =+.

6.d4 Ra5 7.e3 Bd6 8.c4 b6 9.Nbd2 0-0 10.Bd3 =.

6.e3 Bd6 7.Nc3 c6 8.Be2 e5 9.0-0 Qa5 10.a4 =+.

6.Nc3 Ra5 7.e3 Nbd7 8.Nd4 c5 9.Nb3 Ra8 10.Bb5 =+.

6.d4 0-0 7.e3 c5 8.c4 Nc6 9.cd5 Nd5 10.a6 =.

6.e3 0-0 7.Be2 Nbd7 8.0-0 Ra5 9.d3 Bd6 10.c4 =.

6.Ne5 Nbd7 7.e3 Ra5 8.Bc3 Ra8 9.Bd3 Ne5 10.Be5 =+.

6.e3 b6 7.c4+= dc4 (7...Bd6 8.Nc3+=) 8.Nc3 Be7 (8...Bd6 9.Bc4 Bb7 10.Na4 Bf3 11.gf3+=) 9.Bc4 Bb7 10.Na4 0-0 (10...Bf3 11.gf3 0-0 12.Rg1+=) 11.Nc3+/– Nbd7 (11...c5 12.0-0+=) 12.d4 Ne4 (12...c5 13.bc6 Bc6 14.0-0+/–) 13.Ne4 Be4 14.0-0 Nf6 (14...c6 15.Nd2 Bd5 16.Qb3+/–) 15.Ne5 Bd6 16.f3 Bb7 17.e4 Qe7 18.Qd3 (18.Qb3 Nh5+/–) 18...Rfd8 (18...Ra5 19.a4+/–) 19.Qe3 Nd7 20.Nc6 (20.Nd7 Qd7 21.Qc3 Ra7+/–) 20...Bc6 21.bc6 Nf8? (better is 21...Ne5 22.Be2 Qh4+/–) 22.e5+– Ba3 (22...Ra5 23.f4+–) 23.Ba3 Ra3 (23...Qe8 24.Bd3+–) 24.Ra3 Rd4 25.Qd4 Qa3 26.Ra1 (26.Bd3 Qa8 27.Be4 Qe8+–) 26...Qe7 (26...Qb4 27.Ra8+–) 27.Ra8 (27.Ra7 b5 28.Bb5 Qg5 29.Rc7 Qc1 30.Kf2 Qc2 31.Be2 g5+–) 27...g6 28.Bd3 (28.Ra7 Qb4 29.Rb7 Qe1 30.Bf1 Qc1 31.Rc7 b5+–) 28...Kg7 (28...Qg5 29.f4 Qe7 30.Ra7+–) 29.Qe3 (29.Ra7 Qg5 30.Rc7 h6+–) 29...Qb4 (29...h6 30.Ra7+–) 30.Ra7 Qe7 31.Qb6! (31...Qg5 32.Qc5+–) 1–0. b4_player (2215) – knightpusher (1840), GameColony.com, 2003.

6.e3 c5 7.Be2 c4 8.d3!? cd3 9.Bd3+=.

6.e3 c5 7.Be2 c4 8.Bf6 Qf6 9.c3 Bd7 10.d3 Bb5 11.dc4 dc4 (11...Bc4 12.Bc4 dc4 13.Ra2-/+) 12.0-0 Bc5 13.Nd4 Bd4 14.cd4 0-0 (14...Qg6 15.f3=) 15.Nc3= Qg5?? (better 15...Bc6 16.Bc4 Rc8=) 16.f4+- Qe5 (16...Qf5 17.g4 Qg6 18.Nb5 Qe4+-) 17.fe5 g6 18.Nb5 Kh8 19.Qd2 1-0. PEREIRA – Whitak, internet, 2021.

6.e3 c5 7.Be2 c4 8.Bf6 Qf6=+ 9.c3 (9.Nc3 Bd6=+) 9...Bd7-/+ 10.Nd4 Bd6 11.b6 0-0 12.d3 cd3 13.Bd3 Rc8 14.Qd2 h6 15.0-0 Nc6 16.Nb5 Bb8 17.Nc7 (17.Nd4 Qd8-/+) 17...Bc7 18.bc7 Rc7 19.c4?? (better 19.e4!?-/+) 19...Ne5 (better 19...Qa1 20.Nc3 Qa3-+) 20.Nc3 Nc4 21.Bc4 Rc4 22.Ne2 Rac8 23.Nd4 e5 24.Nf3 Bc6 25.Qa5 d4 (25...Rg4!? 26.Ne1-+) 26.Ne5 (better 26.Qe5 Bf3 27.Qf6 gf6 28.gf3-+) 26...Rc3?? (better 26...Bg2 27.Kg2 R4c5-+) 27.ed4=+ Be8 28.Qb4 Qf4 (28...Rb3 29.Qd2=+) 29.Qb7 (29.Rad1!?=) 29...Qd4=+ 30.Rae1 (30.Rfe1 Qd6=+) 30...Qf4 (better 30...Qc5-/+) 31.Nd7? (31.Qd5 A) 31...Ra3? 32.Ng6 Bc6 33.Ne7 (worse 33.Nf4 Bd5 34.Nd5 Ra8+/-) 33...Kh8 34.Nc6+-; B) 31...Qf6=+) 31...Bd7?? (better 31...R3c7 32.Re8 Re8-+) 32.Qd7=+ R3c7 33.Re8 Kh7 (33...Re8 34.Qe8 Kh7 35.g3=) 34.Qd3 (34.Qc8 Rc8 35.Rc8 Qd6+=) 34...g6 35.Rc8 Rc8 36.Rd1 1-0. alessandrocarvalhaes (1850) - TheCasualPlayer (1815), lichess.org, 2019.

6.e3 c5 7.Be2 c4 8.Bf6 Qf6=+ 9.Nc3 Bd6=+.

6.e3 Bd6 7.c4 0-0 8.d4 dc4 9.Bc4 Nd5 10.e4 Nf4 11.g3 Nh3 12.Nc3 Nd7 13.Bf1 Ng5 14.Ng5 Qg5 15.e5 Be7 16.h4 Qg6 17.h5 Qh6 18.Bg2 f6 (better is 18...f5!?+/–) 19.Bc1+– g5 20.hg6 Qg6 21.Be4 (21.Be3 Ra5+– (21...fe5?? 22.Be4 Rf5 23.g4+–)) 21...f5+/– 22.Bf3 Kh8 23.Na4 Rg8? (23...Ra5 24.Qb3 c6 25.bc6 bc6 26.Bc6+–) 24.Qb3 (24.Rh6!? Qe8+–) 24...Rd8 25.Qc4 Rf8 26.Nc3 Qf7 27.Bd2 Bd8 28.a4 Nb6 29.Qd3 c5 30.dc5 Nd7 31.Qd4 Bc7 32.Bf4 Qg7 33.0-0-0 Be5 34.Be5 Ne5 35.Bg2 Ng4 36.Qg7 Kg7 37.Rd2 Rf7 38.Re1 Rc7 39.c6 b6 40.Kb2 Nf6 41.Ka3 Ra5 42.Rd8 Kf7 43.Nd1 Ke7 44.Rh8 Rca7 45.Nb2 Rb5 46.Rc8 Rc5 47.Kb3 b5 48.Rb8 ba4 49.Na4 Rca5 50.Rb7 (50.Rb7 Kd6 51.Nc3 Ra3 52.Kb4 Rc3 53.Ra7+–) 1–0. Solis,Jose Alberto (2460) – Ahrens,Gerhard (2235), CiF, 2007. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 a5)

6.e3 Bd7 7.c4 c6 8.bc6 bc6 9.cd5 cd5 10.Be2 Nc6 11.0-0 Bd6 12.Nc3 Attacks the isolani on a4 12...0-0 13.Na4 Ne5 (13...e5 14.d3 d4=) 14.Nc3 (better is 14.Be5!? Ba4 15.Qe1+=) 14...Nf3+= 15.Bf3 Rb8 (15...Qb8!? 16.Qc2 Bh2 17.Kh1 Bd6+=) 16.Qc2 Qb6 17.Rfb1 Qc5 18.h3 e5 19.Qc1 (19.a4 e4 20.Bd1 Rfc8+=) 19...e4 (better is 19...Bf5!?-/+) 20.Be2+= Bc7 (20...Rfc8 21.Qe1+=) 21.a4 (21.Nb5! Qc1 22.Bc1+/–) 21...Qd6+= 22.g3 h5? (better is 22...Rfc8+=) 23.Ba3+– Qe5 24.Bf8 Rf8 25.Rb7 h4 26.Rc7 (better is 26.Ne4 de4 27.Rc7 hg3 28.f4+–) 26...Qc7+= 27.g4 Rc8 28.Bb5 Bg4 29.hg4 Ng4 30.Kf1 Qh2 31.Qe1?? (better is 31.Ke2 Qf2 32.Kd1–+) 31...h3 (31...Qh1 32.Ke2 Qf3 33.Kf1 h3 34.Nd5 Nh2 35.Kg1 Qg2) 32.Bd7?? (32.Ke2 Qg2 33.Qf1 Qf3 34.Ke1-/+) 32...Qg2 33.Ke2 Rd8 (33...Qf3 34.Kf1 Nh2 35.Kg1 Qg2) 34.Bg4?? (34.Qh1 Qf2 35.Kd1 Rd7 36.Qh3–+) 34...Qg4 35.Kf1 h2 36.f3 h1Q 37.Ke2 Qhf3 (37...Qgf3?!=) 0–1. Fournier,Frederic (1650) – Alekhino (1770), Active, 2006.

6.e3 Be7 7.c4 0-0 8.Nc3 Nbd7 9.Na4 dc4 (9...Ne4 10.Qc2+=) 10.Bc4 c6 (10...b6 11.Nc3+/-) 11.bc6+/- bc6 12.Nc3 Qb6 13.Qc2 Ba6 14.d3 (14.Ba6 Rfb8 15.Bd3 Qb2 16.Qb2 Rb2+=) 14...Bc4+= 15.dc4 Qa6 16.Ne2 Nb6 17.Rc1 (better 17.Nd2!?+=) 17...Ba3=+ 18.0-0 (18.Ba3 Qa3 19.Rb1 Qc5=+) 18...Bb2 19.Qb2 Nc4 20.Qc2 (20.Qc3 Na5 21.Ned4 Rfc8=+) 20...Na3 21.Qa2 Ne4 22.Nc3 Nc3 23.Rc3 Nb5 24.Qa6 Ra6 25.Rc5 Na7 26.Rd1 Rb6 27.g3 Rb5 (27...Rfb8 28.Ne5-/+) 28.Rc4 (28.Rb5 cb5 29.Rd7 Ra8=) 28...c5 (28...Rfb8!?=+) 29.Ne5= f6 30.Ra4 (30.Nd7 Rc8=) 30...Nc8 31.Nc6 (31.Nd7 Re8=) 31...Kf7 (31...Rb6 32.Na5 Ra6 33.Raa1-/+) 32.Ra8 (better 32.Rd7!? Kg6 33.Rg4 Kh6 A) worse 34.Rdg7 f5 35.Rg8 Rg8 (worse 35...fg4 36.Rf8 Nd6 37.Rf6 Kg5 38.Re6+=) 36.Rg8 Nd6=+; B) 34.Rgg7?! e5+-; C) 34.Rh4 Kg6 35.Rc7+/-) 32...Nb6-/+ 33.Ra7 Kg6 34.Ne7 Kh6 35.Rd6 c4 (35...Nc8!? 36.Nc8 Rc8 37.Re6 c4-/+) 36.Re6+= c3 (36...Rb8!?+=) 37.Rc6+/- Rb3?? (better 37...Re8+/-) 38.Nf5+- Kg6 39.e4 (39.Ng7?! Rc8 40.g4 Rb4+= (40...Rc6 41.Nf5 Nd7 42.Rd7 Rc7 43.Rc7 Rb1 44.Kg2 Rg1 45.Kg1 c2 46.Rg7)) 39...Rg8 (39...Rf7 40.Nh4 Kh6 41.Rf7 Rb5+-) 40.Rcc7 Kh5 (40...Rh8 41.Rg7 Kh5 42.g4) 41.h3 (41.Rg7 Rg7 42.Rg7 Rb1 43.Kg2 Rg1 44.Kg1 c2 45.g4) 41...Kg5 (41...Nd7+-) 42.Rg7 Rg7 43.Rg7 (43.Ng7 c2 44.Kh2 Rf3-+) 43...Kh5 44.g4 1-0. Pastar,S (2345) - Chyzy,Jakub (2255), Titled Tuesday, 2021.

6.e3= c6 7.Ne5 (7.bc6 Nc6 8.Bb5 Bd7=) 7...Nfd7 (better is 7...Bb7!?=) 8.Nc6+/– Nc6 9.bc6 Nc5 10.Be5 f6 (10...Ba6 11.Ba6 Na6 12.Qg4+/–) 11.Bb5 Kf7 (11...Qe7 12.Bb8+/–) 12.c7 (12.Qf3 Ba6 13.a4 Bb5 14.ab5 Ne4+/–) 12...Qe7 13.Qh5 (13.Qf3!?+/–) 13...g6+= 14.Qf3 Kg7 15.Bg3 e5 (15...Ne4!?+=) 16.Nc3 Be6 (better is 16...e4!? 17.Qd1 Bb7+/–) 17.Nd5+– Bd5 18.Qd5 Rc8 19.f4 Qd6 20.Bc4 (20.Qc4 e4 21.f5 Qe7+–) 20...Qd5 21.Bd5 Bd6 22.fe5 Be5 23.Be5 fe5 24.Rb1 Rc7 25.Rb6 Rd8 (25...Na4 26.Re6 Rd8 27.Re5+–) 26.c4 a4 (26...Nd7 27.Rb5 a4 28.Ke2+–) 27.Rf1 Nb3 (27...e4 28.Ke2+–) 28.d3 Na1 29.Kd2 Nb3 30.Ke2 Nc5 (30...Kh6 31.Rd1+–) 31.d4 ed4 32.ed4 Re8 33.Kd2 Nb3 34.Kd3 Rce7 35.Rb7 Kh6 (35...Rb7 36.Bb7 Rd8 37.Bd5+–) 36.Re7 Re7 37.c5 Rd7 (37...Na5 38.Rf7 Rf7 39.Bf7+–) 38.Bb3 ab3 39.Rb1 (39…b2 40.Rb2+–) 1–0. kamret (2095) – raypatzer (1755), GameColony.com, 2002.

6.e3 Bd6 7.c4 dc4 8.Nc3 0-0 9.Bc4 Nbd7 10.0-0 Bb7 11.d4 Qe7 12.Qe2 e5 13.h3 Rfe8 14.Rfe1 h6 15.Qd1 Rad8 16.Nh4. marekt – Nohy47, ChessWorld.net, 2013.

6.e3= Bd6 7.Be5 =.

6.e3 Nbd7 7.d4 Ne4 (7...Bd6 8.Bd3=) 8.Bd3+= Nd6 (8...Bd6 9.0-0+=) 9.Nbd2 Be7 10.c4 (10.Ne5 Bb7+=) 10...dc4= 11.Nc4 Nc4 (11...Nb5 12.Nb6 cb6 13.Bb5=) 12.Bc4+= Bf6 (12...0-0 13.d5 Nc5 14.Ne5+=) 13.0-0 Bb7 14.a4 (14.Rc1 Rc8+=) 14...Qe7 (14...Rc8 15.Ba3+=) 15.Qe2 0-0-0 (15...Rc8 16.Rfc1+/–) 16.Rfd1 Nb8 (16...Kb8 17.Ba3 Qe8 18.Rac1+/–) 17.Ne5 (17.Ba3 Qe8+–) 17...Be5 18.de5 Qg5 19.f4 Qh4 (19...Qg6 20.Bd4+/–) 20.Bd4 g6? (20...Be4 21.Bd3 Bd3 22.Rd3+/–) 21.Rac1 (21.Bb6!? cb6 22.Rac1 Rd1 23.Qd1 Bc6+–) 21...Nd7 22.Rc3 (22.Qc2 Kb8+–) 22...Kb8 (22...g5 23.f5 Kb8 24.fe6 fe6 25.Rdc1+–) 23.Bd3 (23.Rdc1 g5 24.f5 f6 25.Be6 fe5+/–) 23...Rc8 (23...g5 24.g3 Qh6 25.Rdc1 gf4 26.ef4+–) 24.Qc2 (24.Rdc1 g5 25.g3 Qh6+–) 24...Qe7 (24...g5 25.f5+/–) 25.Rc1+– Nf8?? (better is 25...Qd8+–) 26.Bb6! h5 (26...cb6 27.Rc8 Pinning (27.Rc8 Deflection)) 27.Rc7 Rc7 (27...Nd7 28.Be4 Nb6 29.Re7 Be4 30.Qe4 Rc1 31.Kf2 Nd5 32.Rf7 Rg8+–) 28.Bc7 Ka8 29.Be4 Qd7 (29...Qb4 30.Bb7 Ka7 31.Bb6 Kb7 32.Qc6 Kb8 33.Qc8) 30.Bb7 (30.Qc3 Qc7 31.Qc7 Be4 32.Qc8 Ka7 33.Qa6 Kb8 34.Rc8) 30...Kb7 (30...Ka7 31.Qc5 Kb7 32.Qb6 Ka8 33.Qa6) 31.Qe4 (31.Qc5 f6 32.Qb6 Ka8 33.Qa6) 31...Qd5+– 32.Qd5 (32.Qb1 h4+–) 32...ed5 33.Ba5 Ne6 34.Bb4 Rc8 (34...Rd8 35.g3+–) 35.Rc8 Kc8 36.a5 (36.Bd6 h4+–) 36...Kb7 (36...Nc7 37.b6 Na6 38.Bd6+–) 37.b6 (37.Bd6 Ka7+–) 37...Nd8 38.Kf2 Nc6 (38...Ka6 39.Ke2+–) 39.Bc3 Ne7 (39...Ka6 40.Kg3 Ne7 41.Kf3+–) 40.Kf3 Nf5 (40...Nc6 41.g4 Ne7 42.gh5 gh5 43.e4+–) 41.g3 Ka6 (41...Nh6 42.e4 de4 43.Ke4+–) 42.h4 (42.e4 de4 43.Ke4 Kb7+–) 42...Nh6 43.e4 de4 44.Ke4 Nf5 45.Be1 Ne7 (45...Kb7 46.Kd5+–) 46.Kd4 (46.e6 f6+–) 46...Nc6 (46...Kb7+–) 47.Kc5 Nd8 (47...Ne7 48.Kd6 Nf5 49.Kc7+–) 48.Kd6 Kb7 49.Kd7 Ne6 50.Ke7 1–0. Climent Vidal,Pere (1690) – Fuentes Giner,Enrique, 29th Obert d'Escacs La Lira, 2011. (=1.Nf3 e6 2.a3 Nf6 3.b4 d5 4.Bb2 a5 5.b5 b6)

6.e3 Nbd7 7.Be2 Bd6 8.d4 0-0 9.0-0 Re8 10.c4 dc4 11.Bc4 Bb7 12.Nbd2 e5 (12...c5 13.bc6 Bc6 14.Bd3=) 13.de5 (13.Qb3 Re7+/–) 13...Ne5+= 14.Ne5 Be5 15.Be5 Re5 16.Qb3 (16.Qe2 c6 17.Rfd1 Qe7=) 16...Qe7 (16...Qd2 17.Bf7 Kf8–+) 17.Rfd1 Rg5 18.g3 Rf8 19.Bf1 Ne4 20.Ne4?? (better is 20.Bg2=) 20…Qe4–+ (20...Qe4 21.f4 Qh1 22.Kf2 Qh2 23.Ke1 Qg3 24.Kd2 Rc5–+; worse is 20...Be4 21.Rac1+=) 0–1. Fournier,Frederic (2075) – chinos (1870), 1 min +0s chess16.com, 2008.

6.a4 b6 7.g3 Bb7 8.Bg2 Nbd7 9.0-0 Qc7 10.d3 Be7 11.Nbd2 0-0 12.Re1 c4 13.c3 cd3 14.ed3 Nc5 15.Qe2 Rac8 16.Nd4 Rfe8 17.Rec1 e5 18.Nf5 Bf8 19.Qf1 (19.Ne3!?-/+) 19...e4–+ 20.de4 de4 21.Ba3 Rcd8 22.Nd4 Nd3 23.Rd1?? (better is 23.Bf8 Kf8 24.Rd1–+) 23...Qc3 24.Bf8 Kf8 (24...Qd4 25.Ra3 Nb2 26.Bg7 Nd1 27.Bf6 Qd2 28.Bd8 Rd8 29.Bh3–+) 25.Ne2 (25.Nc6 Rd7 26.Ra2 e3 (26...Bc6?! 27.bc6 Rd6 28.Ne4 Ne4 29.Be4 Re4 30.c7–+) 27.fe3 Re3–+) 25...Qc7 (25...Qc2!? 26.Rab1 Ng4 27.Nb3–+) 26.h3 Qe7 (better is 26...Qc2!? 27.Rab1–+) 27.Nc4 Qc5 28.Ne3 Nd5 29.Nd5 Bd5 (29...Qd5?! 30.Nf4 Qd7 31.Rac1=; 29...Rd5?! 30.Nf4 Nf4 31.gf4–+) 30.Nc1? (30.Nf4 Bc4 31.Nd3 ed3 32.Rac1–+) 30...Nb2 31.Rd2 (31.Re1 Bc4 32.Ne2 Nd3–+) 31...Qc3 (better is 31...Bc4!? 32.Rd8 Bf1 33.Re8 Ke8 34.Bf1–+) 32.Qe2 (32.Rd5 Rd5 33.Ne2 Qb4–+) 32...Nd3 (32...Nd3 33.Nd3 Qa1 34.Qe1 Qe1 35.Ne1 Bb3–+) 0–1. Valenta,Vit jr (2140) – Kratochvil,Vit1 (2215), 18th Olomouc Open, 2015.

6.a4 b6 7.g3 Bb7 8.Bg2 Nbd7 9.0-0 Bd6 10.d4 0-0 11.Nh4 Rc8 12.dc5 Nc5 13.Nd2 e5 14.e3 (14...Qd7 15.f4=+; 14.Nf5 Re8=). geebs (2245) – warlord (2100), net–chess.com, 2005.

6.a4 Be7 7.e3 0-0 8.c4 Nbd7 9.d4 Nb6 10.Nbd2 cd4 11.Bd4 dc4 12.Be2 Bb4 13.0-0 c3 14.Nb3 Nbd5 15.Qc2 b6 16.Rfd1 Qc7 17.Be5 Qe7 18.Nfd4 Bb7 19.g4? (better 19.e4!? Nc7 20.Nc6 Bc6 21.bc6=) 19...Nd7 20.Bg3 Rfc8 21.Bd3 Nf8 22.h4 Bd6 23.Bd6 Qd6 24.Nc6 Bc6 25.bc6 Qc6 26.Nd4 Qc5 27.Be4 Nb4 28.Qe2 Rab8 29.h5 Qe5 30.Qf3 c2 31.Rdc1 Rc4 32.Kg2 Rbc8 33.Kh3 R8c5 34.Qg2 (34.h6-+) 34...Rd4! 35.ed4 (35.Bh7 Kh7 36.ed4 Qd4-+) 35...Rc3 36.Kh4 (36.f3 Qe4 37.Kg3 Qd4 38.Kh2-+) 36…Qf6 (36...Qf6 37.g5 Qf4 38.Qg4 Qf2 39.Qg3 Qg3) 0-1. Salama,Samir (2185) - Abdel Aziz,Mahmoud, Cairo op-B, 2000.

6.a4 Be7 7.e3 0-0 8.Be2 Ne4 9.0-0 Nd7 10.d3 Ng5 11.Nbd2 Nf3 12.Nf3 Bf6 13.Bf6 Qf6 14.Nd2 Rd8 15.f4 e5 16.fe5 Qe5 17.e4 Nf6 18.Nf3 Qe7 19.ed5 Nd5 20.Qd2 Qe3 21.Qe3 Ne3 22.Rfc1 Bg4 23.Kf2 Re8 24.g3 Re7 25.c4 Rae8 26.Ra2 b6 27.d4 Nf5 28.dc5= bc5 29.Rd1 Bf3 30.Bf3+= Nd4 31.Rdd2 Kf8 32.b6 Re3 33.Bd5+/– Rb3 34.b7 Ree3?? 35.Rab2+– Rb2 36.Rb2 Re2 37.Re2 (37.Re2 g6 38.b8Q Kg7 39.Qe5 f6 40.Qc7 Kh6 41.Qf4 g5 42.Qf6 Kh5 43.Bf7 Kg4 44.Re4 Kh3 45.Qh6#) 1–0. Miquel Badenes,Jose – Garcia Granero,Ana (1830), Autonomico Clubs, 2004.

6.c4 b6 7.e3 Nbd7 (7...Bd6 8.Be5=) 8.Nc3 (8.d4 Be7=) 8...Bb7 9.cd5 Nd5 (9...ed5 10.d4=) 10.Nd5 Bd5 11.Qc2 (11.d3 f6=) 11...Nf6 12.Be2 Bd6 13.0-0 0-0 14.a4 (14.Ng5 e5=) 14...Ra7 (14...Rc8 15.d3 Ng4 16.e4=) 15.d3 Bf3 (15...Ng4 16.e4 Ba8 17.h3=) 16.Bf3 Nd5 17.e4 (17.Rac1 Qh4 18.g3 Qg5+=) 17...Nf4 (17...Nb4 18.Qc3 e5 19.Bg4=) 18.e5+= Be7 Attacks the backward pawn on d3 19.Rfd1 (19.Rad1 Rc7+=) 19...Rd7 Increases the pressure on the backward pawn (19...Rc7 20.d4+=) 20.Bc6 White is in command 20...Rd3 21.Be4 Rd1 (21...c4 22.Bd3 Nd3 23.Bc1=) 22.Rd1 Qc7 23.Bh7 Kh8 24.Be4 g6 (24...Rc8 25.Bc3+/–) 25.g3 Nh5 26.Bc6 (26.Rd6 Rd8+/–) 26...Rd8 27.Rf1 (27.Rd8 Qd8 28.Qe2 Ng7+/–) 27...Ng7+= 28.Re1 Nf5 29.Bg2 Kg7 30.Rd1 Rd1 31.Qd1 Qd8 32.Qd8 Bd8= 33.Kf1 ½–½. Woschkat,Karl_Heinz – Davidson,Richard, compuserve, 1997.

6.c4 Bd6 7.d4 =.

6.bc6 bc6 7.c4 Be7 8.e3 0-0 9.Be2 Ba6 10.0-0 Nbd7 11.Qc2 Rb8 ½–½. Machala,Vladislav – Stefanik,Oldrich, CZE–chT1a, 1997. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 a5 5.b5 c5)

6.bc6 bc6 7.e3 Bd6 8.c4 Nbd7 9.Nc3 Ba6 (9...0-0 10.Rb1=) 10.cd5 (10.d3 Rb8 11.Rb1 0-0+=) 10...cd5 (10...Bf1 11.Rf1 ed5 12.Rb1+=) 11.Ba6= Ra6 12.Nb5 Be7 13.a4 0-0 14.0-0 Qb8 15.Qe2 (15.Rb1 Rc8=) 15...Rc8 16.Rfb1 Bb4 17.Bc3 Bc3 18.Nc3 Qa8 19.Rb5 Ra7 20.h3 (20.Rbb1 Rac7=) 20...Rac7+= 21.Rab1 (21.Nd4 Nc5+=) 21...Ne8 (21...Rc3 22.dc3 Ne4 23.c4+=) 22.R5b2 Rc4 23.Qd1 g6 (23...e5 24.Nb5=) 24.Nd4 (24.Nb5 h6+=) 24...Nc5= Attacks the isolani on a4 25.Rb6 Nd3 26.Nc2 (26.Nb3 Nc7=) 26...e5 27.Qe2 (27.Qf1 e4=) 27...e4 28.Qg4 Nc7 29.Qg3 Rd8 (29...Kh8 30.f3=) 30.Rb7 (30.Nd4 Na6+=) 30...Qc8 (30...Na6 31.Qg5 Rd6 32.R7b5+=) 31.R1b6 (31.Nd4 Nb4 32.Ra7 Nca6+=) 31...Na8= 32.Rb5 Nc7 33.R5b6 Na8 (33...Ne6 34.Rb8 Qc7 35.Qc7 Rc7 36.Rd8 Nd8 37.Rb8+/–) 34.Rb1 Nb4 (34...Rc7!? 35.R7b5 Qa6+=) 35.Nb4+/– Qb7 36.Nbd5 Qa6 37.Qe5 (better is 37.Rb8!? Rcc8 38.Ne7 Kg7 39.Nc8 Rc8 40.Qe5 Kh6 41.Ne4 Rb8 42.Qb8+–) 37...Qe6+= 38.Qg5 Rf8 39.Rb7 Kg7 40.Nf4 Qc6 41.Qe5 (better is 41.Qe7!? Rb4 42.Ne6 Qe6 43.Qe6 Rb7 44.Qd5+–) 41...Kg8+= 42.Ncd5 (42.Re7!? Nc7 43.Ne4+/–) 42...Qb7= 43.Ne7 Qe7 44.Qe7 Nb6 (worse is 44...Ra4 45.Nd5 h5 46.Qf6+–) 45.Qa7 Na4 46.Qa5 Nc5 47.Kh2 Nb3 (47...Rc1 48.f3 ef3 49.gf3+=) 48.Qd5 (48.Qa2 Rb8 49.Nd5 h5+/–) 48...Rfc8+= 49.h4 R8c5 50.Qd8 Kg7 51.h5 gh5? (better is 51...Rc8 52.Qd6 R4c5+=) 52.Nd5+– Rc6 53.Qg5 Kf8 54.Qe5 (54.Qh5 Rd6 55.Qg5 Rg6 56.Qe7 Kg7 57.Qe5 Kh6+–) 54...f6 (54...Rg6 55.Qb8 Kg7 56.Qb3 Rgc6+–) 55.Qb8 (55.Qb8 Kf7 56.Qb3+–) 1–0. Gunawan,Ronny (2370) – Le,Huu Thai (2040), 7th Penang Heritage City International, 2015.

6.bc6 bc6 7.g3 Nbd7 8.Bg2 Rb8 9.Ra2 Ba6 10.d3 Bd6 11.0-0 0-0 12.Nbd2 a4 13.c4 Nc5 14.Bc3 Nb3 15.Nd4 Qc7 16.N4b3 ab3 17.Rb2 Ba3 (Opening the a–file gets White a lot of play) 18.Bf6 gf6 19.Rb3 Be7 20.Rb8 Rb8 21.Qa4 Rb2 22.Qa6 Rd2 23.Bf3 Rb2 24.Rc1 Qb7 25.Qa4 Rb1 26.Rb1 Qb1 27.Kg2 Qb6 28.Qa8 Kg7 29.Qe8 Qc7 30.h4 dc4 31.dc4 c5 32.h5 h6 33.g4 Bd6 34.e3 Qe7 35.Qc6 Bc7 36.Kf1 Qd6 37.Qb7 Qd3 38.Be2 Qd6 39.Qe4 Qe5 40.Qf3 f5 41.gf5+= Qf5 42.Qf5 ef5 43.f4 Ba5 44.Bd3 Kf6 45.Ke2 Bb4 46.Bc2 Ba3 47.Kd2 Bb2 48.Ba4 Ba3 49.Bd7 Bb2 50.Kc2 Ba3 51.Bc8 ½–½. Stocek – Tamer, Tallinn, 1997.

6.bc6 Nc6 7.e3 Bd6 =.

6.d3 b6 7.Nbd2 =.

6.d3 Bd6 7.e3 (7.e4 Bc7=) 7...0-0+= 8.Nbd2 Nbd7 9.Be2 b6 10.c4 Bb7 11.Qc2 Rc8 (11...Qc7 12.0-0+=) 12.h3 Re8 13.0-0-0 (better is 13.0-0!?=) 13...e5 14.Nh4 (14.cd5 Nd5 15.Nc4 Qe7-/+) 14...d4 (14...g6 15.cd5 Nd5 16.Nc4-/+) 15.Nf5 Bf8 16.e4 (16.Bf3!? Qc7 17.Ng3+=) 16...g6 17.Ng3 h5 18.Kb1 Bh6 (18...Bd6 19.Bc1–+) 19.Nf3 Qe7 20.Bc1 Qf8 (20...Bf4 21.Kb2-/+) 21.Nf1 Rcd8 22.N1h2 Bc8 (22...Bc1 23.Rc1 Qe7 24.g3-/+) 23.g4+= Bf4 (23...Bc1 24.Rc1 Qe7 25.Qd2+=) 24.Bf4= ef4 25.Qd2 Qd6 26.Rhg1 hg4 27.Ng4 Ng4 28.Rg4+/– Ne5 29.Rf4 Nf3 30.Rf3 Kg7 31.Rg3 Rh8= 32.Qg5 Rh3 33.Rdg1 Rg3+= 34.Rg3 Rh8 35.f4 Rh1 36.Kc2= Qf6 37.Qf6 Kf6 38.Rg5 Rh2 39.Kd1 Rf2 40.Rd5-/+ Ke7 41.e5 Rf4 42.Rd6 Rf5 43.Rb6= Re5 44.Rc6 Kd8 45.Rd6 Kc7 46.Rc6 Kb8 47.Bf3 Re3 48.Be2 Re5 49.Bf3 Bb7 50.Rb6= Re7 51.Rb7?? Rb7–+ 52.Bb7 Kb7 53.Ke2 f5 54.Kf3 g5 55.a4 g4 56.Kf4 Kc7 57.Kg3 Kd6 58.Kg2?? f4 59.Kf2 f3 60.Kg3 Ke5 61.Kf2 Kf4 62.b6 g3 63.Kf1 Ke3 64.b7 g2 65.Kg1 Ke2 66.b8Q f2 67.Kg2 f1Q 68.Kh2 Kd3 69.Qb3 Ke4 70.Qb7 Kd3 71.Qb3 Ke2 72.Qb2 Kf3 73.Qb7 Kf2 74.Qf3 Ke1 75.Qg3 Qf2 76.Kh1 d3 77.Qe5 Qe2 78.Qa1 Kf2 79.Qg7 Qh5# 0–1. Varholakova,Nikoleta – Bazilevitch,Jurij (2075), Hlohovec op, 1998.

6.g3 Be7 (6...Bd6 7.Bg2=) 7.Bg2 Nbd7 (7...0-0 8.c4=) 8.0-0 0-0 9.Re1 (9.d3 a4=) 9...c4 10.d3 cd3 (10...Qb6 11.a4=) 11.cd3 Qb6 12.a4 Bb4 13.Rf1 (13.Bc3 Bc3 14.Nc3 d4=) 13...Re8 14.Na3 e5 15.Nc2 Bd6 16.Rc1 (16.Ne3 Qd8=) 16...Qd8 17.Ne3 Nb6 18.Qb3 (18.Nh4 Bf8=) 18...d4=+ 19.Ng5 (19.Nc4 Nc4 20.dc4 Ne4=+) 19...Rf8 (19...de3 20.Qf7 Kh8 21.Bb7 ef2 22.Rf2 Bb7 23.Qb7-/+) 20.Nc4= Nc4 21.dc4 Bc5 (21...Qe7 22.e3 de3 23.Qe3+=) 22.Ba3 Qe7 23.Bc5 Qc5 24.Qd3 h6 (24...Rb8 25.Ne4 Ne4 26.Be4=) 25.Ne4 Ne4 26.Be4 Rb8 27.Bd5 (27.f4 ef4 28.Rf4 Be6=) 27...Re8= 28.Qe4 b6 (28...Re7 29.e3+=) 29.Rfd1 (29.e3 de3 30.fe3 Be6+=) 29...Be6 30.Qe5 Bd5 31.Qd5 Re2 32.Kg2 Rc8 33.Qd4 Qd4 (33...Ra2 34.Qc5 Rc5 35.Rd5+–) 34.Rd4 Kf8 (34...Ra2 35.c5 bc5 36.Rdc4+=) 35.c5 bc5 (35...bc5 36.Rdc4 Decoy; 35...Rc5 36.Rc5 Combination) 36.Rd7 (36.Rdc4 Ra2+–) 36...Re7+= 37.Rd6 Re4 38.Rc6 Rc6 (38...Rce8 39.Ra1+–) 39.bc6 Re7 40.Rc5 Rc7 41.Kf3 (41.Ra5 Ke7+–) 41...Ke7 42.Ke4 (42.h3 Kd6 43.Ra5 Kc6 44.Ra6 Kb7+–) 42...Kd6+– 43.Kd4 Rc6 44.Rc6 (better 44.Ra5!? Rc2 45.Ra6 Kd7 46.Ke3+–) 44...Kc6+= 45.g4 Kd6 46.f4 Kc6 47.h4 Kd6 48.Kc4 1–0. Woelfelschneider,Peter – Kaltschmidt, 2009.

7.Nbd2 0-0 8.Rb1 Re8 (8...Qb6 9.e3 Nbd7 10.Be2 Bd6 11.c4 a4 12.d4 Qd8 13.Rc1 Qe7 14.cd5 ed5=; 8...b6 9.e3 Nbd7 10.Be2 Bd6 11.0-0 e5 12.c4 Bb7 13.e4 de4 14.de4 Qe7=; 8...Nbd7 9.e3 Bd6 10.Be2 e5 11.e4 d4 12.Nc4 Qe7 13.0-0 b6 14.Nh4 Qe6=; 8...Qc7 9.e3 Nbd7 10.Be2 e5 11.0-0 Bd6 12.c4 d4 13.Ng5 Rd8 14.Nge4 Be7=) 9.e4 b6 10.e5 Nfd7 11.Be2 Bb7 12.0-0 Qc7 13.Re1 a4 14.d4 Rc8=.

7.Nbd2 0-0 8.c4 d4 9.e3 de3 10.fe3 b6 (10...Nbd7 11.Be2 Ng4 12.Nf1 Bd6 13.Qd2 Re8 14.Qc3 e5=+) 11.d4 Bb7 (11...Ng4 12.Bd3= (12.Qe2 Bb7 13.e4 cd4 14.Nd4 Bf6=+) 12...Ne3 13.Qe2 cd4 14.Bd4 Nf5=) 12.Bd3 Nbd7 (12...Bd6 13.0-0 Qc7 14.Qe1 cd4+=) 13.0-0 (13.Qe2 Bd6 14.0-0 cd4=) 13...Ng4 (13...Qc7 14.Qe2 Bd6=) 14.Qe2 Bg5 (14...Qc7+=) 15.e4 (15.Ng5!? Qg5 16.Rfe1+=) 15...Be3=+ 16.Kh1 cd4 17.Nd4 (better 17.Bd4!? Bd4 18.Nd4-/+) 17...Nde5-/+ 18.N2f3 Nf2! 19.Rf2 Bf2 20.Ne6 Qd3 (20...fe6?! 21.Be5 Bc5 22.a4-/+) 21.Qd3? (21.Qf2 fe6 22.Be5 Be4 23.a4–+) 21...Nd3 22.Nf8 Nb2 23.Nd7 Rd8 (23...Nc4!? 24.Rf1 Be3 25.Re1–+) 24.Nb6 (24.Nde5–+) 24…Bb6 0–1. Krzymowska,Adriana – Vovk,Ok (2075), Ladies, Stockholm SWE, 2002. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 a5 5.b5 c5)

7.Nbd2 0-0 8.e3 Nbd7 (8...Bd6 9.Be2 Re8 10.c4 e5 11.cd5 Nd5 12.Nc4 f6 13.Qc2 Bc7 14.0-0 Bg4=; 8...Qb6 9.c4 Rd8 10.Qa4 Nbd7 11.Be2 Bd6 12.0-0 Qc7 13.Rac1 Nb6 14.Qc2 Nbd7=; 8...Qd6 9.Be2 Nbd7 10.c4 a4 11.0-0 b6 12.Rc1 Rd8 13.cd5 ed5 14.Qc2 Qe6=; 8...a4 9.Be2 Bd6 10.0-0 Nbd7 11.c4 b6 12.Rc1 Bb7 13.d4 Qe7 14.cd5 ed5=; 8...b6 9.Be2 Nbd7 10.0-0 Bd6 11.Rc1 e5 12.c4 Bb7 13.cd5 Bd5 14.Ne4 Qe7=) 9.Be2 Bd6 10.c4 b6 11.0-0 Bb7 12.Qc2 Qe7 13.e4 d4 14.Rae1 a4=.

7.Nbd2 0-0 8.e4 Nbd7 (8...Qb6 9.c4 d4 10.Be2 Nbd7 11.0-0 e5 12.Rb1 a4 13.Nh4 Nb8 14.Nhf3 Qe6=) 9.e5 Ne8 10.Be2 d4 11.0-0 Nc7 12.a4 b6 13.Nc4 Bb7 14.Bc1 Nd5=+.

7.Nbd2 Qb6 A) 8.Rb1 Nbd7 (8...0-0 9.e3 Nbd7 10.Be2 Rb8 11.0-0 Bd6 12.c4 Rd8 13.d4 Ne4 14.Rc1 Qc7+=) 9.e4 0-0 10.Be2 a4 11.0-0 Ra5 12.Qc1 Nh5 13.Re1 Nf4 14.Bf1 Bd6=; B) 8.a4 Nbd7 (8...0-0 9.e3 Nbd7 10.Be2 Qd6 11.c4 b6 12.0-0 Bb7 13.cd5 Qd5 14.Nc4 Qf5=) 9.e4 0-0 10.e5 Ng4 11.h3 Nh6 12.Be2 f6 13.ef6 Bf6 14.Bf6 Rf6=; C) 8.c4 a4 (8...0-0 9.e3 Rd8 10.Be2 dc4 11.dc4 Nbd7 12.0-0 Bd6 13.Qc2 Qc7 14.Bd3 e5+=; 8...Nbd7 9.e3 Bd6 10.d4 Qd8 11.cd5 ed5 12.dc5 Nc5 13.Be2 0-0 14.0-0 Nce4+=; 8...d4 9.e3 de3 10.fe3 0-0 11.d4 Qc7 12.Bd3 Ng4 13.Qe2 Nd7 14.Rd1 h6+=) 9.e3 0-0 10.Be2 Nbd7 11.0-0 dc4 12.dc4 Rd8 13.Qc2 Qc7 14.Bd3 h6+=.

7.Nbd2 Nbd7 A) 8.e3 0-0 (8...Bd6 9.Be2 e5 10.c4 d4 11.0-0 Qc7 12.Ng5 0-0 13.Nge4 Ne4 14.Ne4 Be7=; 8...Qb6 9.c4 0-0 10.Be2 Bd6 11.Qa4 Qc7 12.0-0 Re8 13.Qc2 b6 14.cd5 ed5=; 8...a4 9.Be2 0-0 10.0-0 Bd6 11.c4 Qe7 12.Qc2 b6 13.Nb1 Bb7 14.Nc3 dc4+=) 9.Be2 Bd6 10.c4 b6 11.0-0 Bb7 12.Qc2 Qe7 13.e4 d4 14.Rae1 a4=; B) 8.e4 Qb6 (8...Qc7 9.e5 Ng4 10.Qe2 0-0 11.h3 Nh6 12.g3 Nf5 13.Bg2 b6 14.c4 Bb7=; 8...0-0 9.Be2 Qb6 10.Rb1 Rd8 11.e5 Nh5 12.g3 g6 13.d4 c4 14.a4 Qc7=) 9.a4 Qc7 10.e5 Ng4 11.Qe2 0-0 12.h3 Nh6 13.g3 Nf5 14.Bg2 b6=; C) 8.c4 d4 9.g3 Bd6 10.Bg2 e5 11.0-0 0-0 12.e3 Nb6 13.Qc2 Re8 14.Rae1 Bg4=.

7.e3 0-0 8.Be2 Qd6 (8...Nbd7 9.0-0 Qc7 10.c4 dc4 11.dc4 e5 12.Nc3 e4 13.Nd2 Bd6 14.h3 Re8+=; 8...Qc7 9.c4 dc4 10.dc4 Rd8 11.Qc2 Nbd7 12.0-0 b6 13.Bd3 Bb7 14.Nbd2 Bd6=; 8...Qd7 9.c4 dc4 10.dc4 Qd1 11.Bd1 b6 12.0-0 Rd8 13.Be2 Bb7 14.Nc3 Nbd7=) 9.c4 Nbd7 10.0-0 Rd8 11.Qc2 e5 12.cd5 Nd5 13.Nbd2 Qe6 14.Nc4 Bf6=.

7.c4 b6 8.cd5 ed5 9.d3 Bd6 10.g3 0-0 11.Bg2 Re8 12.0-0 Qe7 13.Nc3 Bb7 14.Re1 h6 15.Qd2 Rad8 16.Rad1 Qe6 17.Ne2 Qf5 18.h3 Ne5 19.Be5 Be5 (worse 19...Re5 20.Ne5 Qe5 21.Nc3+/-) 20.g4 Qe6 21.Ne5 Qe5 22.d4 Qg5 (better 22...Qc7!?=) 23.dc5+/- Ne4 24.Be4 de4 25.Qc2 bc5 26.Rd8 Rd8 27.Nf4 Qe5 28.a4 Kh7 29.Qc4 Rd7 30.Kg2 Kg8 31.Rc1 Rc7 32.b6 Rc6 33.Qb5 Qf6? (better 33...Qd6+/-) 34.Rc5+- Rc5 35.Qc5 g5 1-0. jon_lord (2205) - idefix (2160), idefix's mini-tournament XII, lichess.org, 2023.

7.c4 b6 8.Be2 Bb7 9.0-0 dc4 10.Bc4 Bd6 11.Nc3 0-0 12.Qe2 Qc7 13.h3 Ne5 (13...Rfd8 14.d3=) 14.Ne5= Be5 15.f4 Bd6 16.g4 (16.Na4 Nd5=) 16...Rad8 17.g5 Ne4 18.Ne4 Be4 19.Rf2 Be7 20.h4 Rd7 21.h5 Bg5 (better 21...Rfd8=+) 22.fg5+– Qg3 23.Kf1 Qg5 24.h6 (24.d3!? Bd5 25.Bd5 Qd5 26.Rg2+–) 24...Qh6= 25.Rh2 Qg6 26.Bc3 Rfd8 27.Rg2 (better 27.Qh5=) 27...Bg2-/+ 28.Qg2 Qf5 (better 28...Qg2!? 29.Kg2 Rd6-/+) 29.Kg1=+ g6 30.Rf1 Qh5 31.Be2 Qd5 32.Qf2 (32.Bf3!? Qd6 33.Bc6=) 32...Qg5-/+ 33.Qg2 (better 33.Kh1-/+) 33...Qg2–+ 34.Kg2 Rd5 (34...Rd2 35.Bd2 Rd2 36.Kf2–+) 35.Bf6 Re8 (35...Rd2 36.Bd8 Rd8 37.Bc4–+) 36.d3 Rf5 (36...e5 37.Rf2–+) 37.Rf5 ef5 38.e4? (better 38.Kf2-/+) 38...fe4–+ 39.de4 Rc8?? (better 39...Re4 40.Kf3 Re6–+) 40.Bc4-/+ Rc7 (40...Kf8 41.a4-/+) 41.Kf3 (41.Bd8!? Rb7 42.Bd5=) 41...Rd7=+ 42.Bd5 h5 43.Kf4 Kf8 44.Ke3 Kg8 45.a4 (45.Kf4 Kh7=+) 45...Kh7 46.Kf4 Kh6 47.Bg5 Kg7 48.Ke5 Ra7?? (better 48...Kh7=) 49.Bf6+– Kh6 50.Kd6 g5 51.Ke5?? (better 51.Bd8 f6 52.Bb6+–) 51...Kg6 (better 51...Rd7 52.Kf5 g4=+) 52.Bc6?? (better 52.Bd8!? Rd7 53.Bb6+–) 52...h4 (52...c4 53.Bd8 c3 54.Bb6 Re7 55.Kd6 Re6 56.Kd7 h4 57.Ba5 h3–+) 53.Bd8=+ h3 (53...h3 54.Kd6 f6 55.Bb6 Rf7=+) 0–1. GuestXVHW – aqilah, freechess.org, 2017.

7.c4 dc4 8.a4 Nb6 9.Na3 Be7 (9...c3 10.Bc3 Nbd5 11.Nc4=) 10.Nc4 0-0 (10...Nbd5 11.e4 Ne4 12.Bg7=) 11.Nb6 Qb6 12.Bd3 (12.Rc1 Bd7=) 12...Rd8 13.Qc2 Qd6 14.Ra3 h6 15.Ne5 (15.0-0 Qb6+=) 15...b6 (15...Qc7 16.Rb3+=) 16.0-0 (16.Nc6 Re8+=) 16...Bb7 (16...Qc7 17.Nc6 Re8 18.Ne7 Qe7 19.Bf6 Qf6 20.Bh7 Kh8 21.Be4=) 17.Nc4 Qc7 (17...Qb8!?+=) 18.Be5+– Qd7? (better 18...Bd6 19.Nd6 Rd6 20.Bd6 Qd6+–) 19.Nb6+– Qe8 20.Na8 Ba8 (20...Ra8 21.Rb3+–) 21.Bc4 Nd5 22.e4 Nb4 23.Qb2 f6 (23...Be4 24.Bg7 Nd3 25.Bd3 Bd3 26.Bh6+–) 24.Bc7 Rd4 25.Be6 Kh8 26.f3 Bf8 (26...Bd8 27.Bd8 Qd8 28.Qc3+–) 27.Bf5 g6 (27...Qe7 28.b6+–) 28.Bh3 Kg7 (28...Qe7 29.Ba5 Qa7 30.Bd8+–) 29.Re3 (29.Ba5!? Bd6+–) 29...Qe7 30.b6 (30.Rc1 Qf7 31.Bb6 Rd6 32.Bc5 Nd3 33.Rd3 Rd3 34.Bf8 Qf8 35.Rc7 Kh8+–) 30...Bc6 (30...Bb7 31.Rb1+–) 31.Ra1 (31.Bc8 Qe8 32.b7 Bb7 33.Bb7 Qf7+–) 31...Na6 32.e5 f5 33.Bd6 Qb7 34.Qb3 (34.Rc1 Be7+–) 34...Bd6 (34...Nb4 35.Bf8 Kf8 36.Qe6+–) 35.ed6 Rd6 36.Rae1 Rd7 (36...Kf8 37.Qc4 Rd2+–) 37.Re8 Nb4 38.Qg8 Kf6 39.R8e6 (39.R8e6 Kg5 40.Qg6 Kh4 41.Qh6; 39.R1e6 Kg5 40.Qg6 Kh4 41.Qh6) 1–0. Pierre – Playmaster, internet, 2020.

7.c4 dc4 8.Bc4 Nb6 9.Be2 a4 10.d4 cd4 11.Bd4 Be7 12.0-0 0-0 13.Nbd2 Nfd5 14.g3 (14.Bd3 f5+=) 14...Bf6 15.Ne5 Bd7 (15...Be5 16.Be5 f6 17.Bb2=) 16.f4 Be5 17.fe5 f5 18.ef6 Nf6 (18...e5 19.Bc5 Rf6 20.Ne4 Rf1 21.Bf1+=) 19.Nf3 Nbd5 20.Ne5 Qe7 21.Qd3 Rfd8 22.Rac1 Rac8 23.e4 (23.Rc8 Bc8 24.Bd1 Nb6+/-) 23...Nc7 24.Bc5 Qe8 25.b6 (25.Nd7 Nd7 26.Bd4 e5+=) 25...Na6 (25...Bb5 26.Qe3 Na6 27.Bb5 Qb5 28.Bd4=) 26.Nd7 (better 26.Bd4!?+/-) 26...Rd7= 27.Qe3 Ne4?? (better 27...Nc5 28.Rc5 Rc5 29.Qc5 Ne4+=) 28.Ba6 (28.Rf8 Qf8 29.Bf8 Rc1 30.Qc1 Kf8 31.Ba6 Nd6 32.Qf4 Ke7 33.Qh4 Kf7 34.Qa4 Ke7+-) 28...Nc5? (28...Rc5 29.Rc5 Nc5+-) 29.Bb5 (29.Rc5?! Rc5 30.Qc5 ba6+=) 29...Nb3 (29...h5+-) 30.Rc8 Qc8 31.Qe6 Kh8 32.Qd7 Qc5 33.Kh1 h5 (33...Qd5 34.Qd5 h6 35.Rf8 Kh7 36.Bd3 g6 37.Qb7) 34.Bd3 (34.Bd3 Qc6 35.Qc6 g6 36.Qg6 Nd4 37.Rf8; 34.Qe8 Kh7 35.Bd3 Qf5 36.Bf5 g6 37.Qg6 Kh8 38.Qh7) 1-0. Williams,Barry - MacDonald,John, NZL Kapiti Chess Club Open Rapid, 1999.

7.c4 Be7 8.Nc3 0-0 9.cd5 ed5 10.d4 c4 11.Qc2 Re8 12.h3 Nb6 13.g4 Bd6 14.Bg2 Bd7 15.a4 Qc8 16.Ne5 Be5 (16...Be6 17.0-0+=) 17.de5= Re5 18.Ne2 Re8 19.Bf6 gf6 20.Qc3 Qc5 21.Qf6 Re6 22.Qd4 Rc8 23.0-0 (23.Qc3 Re7+=) 23...Qd4 24.Nd4 Re5 25.Bf3 Kh8 26.Kh2 Rf8 27.Kg3 Bc8 28.Ne2 f5 29.g5 Rd8 (29...f4 30.ef4 (worse is 30.Nf4 Rg5 31.Kh4 Rg7=) 30...Ref5 31.Rfe1+=) 30.Rfd1 Re7 31.h4 Kg7 32.Rd4 h6 33.Nf4 Increases the pressure on the backward pawn 33...hg5 34.hg5 Be6 35.Bd1 Bc8 36.Bc2 Re5 (36...Rc7!?+/–) 37.Rh1+– Rd6 38.Nh5 Kg6 39.Rdh4 (39.Kf4 Re8 40.Ng3 Kf7+–) 39...Kf7 (39...Re7 40.Nf6 Na4 41.Rh6 Kf7 42.Ba4 Rd8+–) 40.Nf4 Nd7 (40...Re8 41.Rh7 Kf8+–) 41.Rh8 (41.Rh8 Nf8 42.g6 Kg7 43.R1h6 Rg6 44.Ng6 Ng6 45.R6h7 Kf6 46.Rc8+–) 1–0. Utegaliyev,Azamat (2440) – Dusentegi,Tanat (2105), Kazakhstani Championship, 2015.

6.a4 cb5 7.ab5 Be7 8.e3 0-0 9.Be2 Nbd7 10.0-0 Qc7 11.Na3 b6 12.Rc1 Bb7 13.c4 Qb8 14.d3 Rd8 15.Nd4 dc4 16.Rc4 (worse is 16.dc4 Nc5 17.Qc2 Bd6-/+) 16...Nc5 17.Qb1 Bd5 (17...Bd6 18.Nc6 Bc6 19.bc6 Bh2 20.Kh1=) 18.Bf3 (18.Nc6 Qc7 19.Be5 Qd7+/–) 18...Qb7 (better is 18...Bf3 19.gf3 Rd5+=) 19.e4?? (better is 19.Bd5 Rd5 20.e4=) 19...Bc4-/+ 20.Nc4 Qc7 21.e5 Nd5 22.Nc6 Re8 23.d4 Na4 24.Rc1 Nb2 25.Qb2 Rac8 26.g3?? Bf8 27.Qe2 Nb4-/+ 28.Ne3 Red8! 29.Qc4 White prepares the advance d5 29...Qd7 30.Nc2 Nc6 31.bc6 Qc7 32.d5? ed5 33.Bd5 Qe5 34.Ne3 Bc5 35.Bf7 Kh8 36.Be6 Rc6 37.Bd5 Rcd6 38.Bg2 Be3 39.Re1 Bf2! 40.Kf2 Rf8 (40...Rf8 41.Bf3 Qh5–+) 0–1. Moraes,Maurino – Moro,Antonio Renato, Indaial JASC op, 2004.

6.a4 Bd6 7.Be2 0-0 8.0-0 Nbd7 9.Nd4 c5=+ 10.Nb3 b6 11.c4 Bb7 12.Nc3 Re8 (12...Qc7 13.h3=+) 13.Bf3 (13.cd5 ed5 14.f4 Qc7=+) 13...Qc7 14.cd5 Bh2 (14...ed5 15.h3=+) 15.Kh1 Nd5 (15...Bd6 16.de6 Re6 17.Bb7 Qb7 18.d4=+) 16.Nd5 (16.g3 Bg3 17.fg3 Qg3=) 16...Bd5 (16...ed5!? 17.g3 Bg3 18.fg3 Qg3=) 17.Bd5+/- ed5 18.Qg4?? (better 18.f4 Bf4 19.Rf4+/-) 18...Be5-/+ Black prepares c4 19.d4 Bf6 20.Rac1? (20.Rfc1 Re4 21.Qf5 Qd6-/+) 20...c4 (20...Re4 21.f4 Re3 22.Rf3-+) 21.f4? (21.Qf5!? Qd6 22.Nd2 Be7-/+) 21...Nf8 (21...Re3 22.Na1-+) 22.Rf3? (22.Qf3 Qe7 23.Na1 Qe4-+) 22...Qc8 (better 22...Qe7 23.Nd2 Qb4-+) 23.Qh5 g6?? (better 23...Qe6 24.Nd2 Rac8-+) 24.Qd5+/- Qg4 25.Qc4 (25.Rc4?! Rad8 26.Qc6 Re6=) 25...Rac8 26.Qf1 Rc1 27.Qc1 Ne6 (27...Rc8!? 28.Qd1 Qf5+=) 28.Qc6 Rf8 (better 28...Rb8+/-) 29.d5?? (29.Ba3 Rb8 30.d5 Qh4 31.Rh3+-) 29...Bb2= 30.de6 fe6? (better 30...Qe6 31.Qe6 fe6=) 31.Qb6+- Bc3 (31...e5 32.Na5 ef4 33.Nc4+-) 32.Qc7 (32.Na5 e5+-) 32...Qh4? (better 32...Be1+-) 33.Rh3 Qe1 34.Kh2 Bg7 35.Nd4 (35.Qa5?! Qd1 36.Qb4 Rc8+-) 35...e5 (35...Qb4 36.Nc6 Qb1+-) 36.Ne6 (36.fe5?! Rf1 37.Qc8 Bf8 38.Qc4 Kh8 39.Qf1 Qf1+-) 36...Rf7 37.Qd8 (37.Qc8 Bf8 38.Ng5 Re7 39.Qc4 Kh8 40.Nf7 Kg7+-) 37...Bf8 38.Nf8 (38.fe5 Rf1 39.Qf8 Rf8 40.Nf8 Kf8 41.Rf3 Ke7-+) 38...Rf8 39.Qd5 Kg7 40.Qe5 Kg8 41.Qe6 Kg7 42.Qe7 Rf7 43.Rh7! Kh7 44.Qf7 (44.Qf7 Kh8 45.Qe8 Kh7 46.Qe7 Kh8 47.b6+-) 1-0. Adjailton (1745) - Arturix (1790), lichess.org, 2019.

6.a4 Bd6 7.Be2 0-0 8.0-0 Ne4 9.c4 f5 (9...Ng5 10.Ng5 Qg5 11.f4=) 10.d3+= Nf6 (10...Ng5 11.Ng5 Qg5 12.f4+=) 11.d4 (11.Nbd2 b6+=) 11...Ne4 (11...b6 12.Nc3+=) 12.c5 Be7 13.Nbd2 (13.Qc2 Bf6+=) 13...Nd7 (13...b6 14.Rc1+=) 14.Qc2 (14.Rc1 cb5 15.Bb5 Qc7+–) 14...Ndf6 (14...Bf6 15.Rab1+–) 15.Ne4 (15.Ne5 cb5 16.ab5 Nd7+–) 15...fe4 16.Ne5 Bd7 (16...cb5 17.ab5 Nd7 18.f4+=) 17.Bc3 (17.f3 cb5 18.ab5 Be8+–) 17...Be8 18.Qd2 (better 18.Rfc1+–) 18...Bh5? (18...cb5!? 19.ab5 a4+=) 19.bc6 (19.Bh5 Nh5 20.bc6 bc6 21.Nc6 Qc7 22.Ne7 Qe7 23.Ba5 e5+–) 19...bc6 (better 19...Be2!? 20.cb7 Bf1 21.ba8R Qa8 22.Rf1 Bd8+–) 20.Nc6+– Qe8 (20...Qc7 21.Ne7 Qe7 22.Bh5 Nh5 23.Ba5+–) 21.Bb5 Qg6 (21...Bd8+–) 22.Ne7 (22.Ne7 Kh8 23.Ng6 Bg6 24.Ba5+–) 1–0. GuestSSPB – GuestYBXC, freechess.org, 2018.

6.bc6 bc6 7.e3 Ba6 8.Ba6 Ra6 9.0-0 c5 (9...Bd6 10.Be5=) 10.c4 Be7 11.d4 0-0 12.dc5 dc4 (12...Bc5 13.cd5 Nd5 14.Nc3=) 13.Nbd2 Qc7 (13...Rc6 14.Nc4 Rc5 15.Rc1=) 14.Qe2 Nbd7 15.Nc4 Nc5 16.Be5 Qa7 17.Bd4 Nfd7 18.Rac1 f6 19.Qa2 (19.Rfd1 e5+=) 19...Qa8 (19...Rc8 20.Rfd1=) 20.Ncd2 (20.Rfd1 Rc8+=) 20...Kf7 (20...Rd8 21.Rfd1=) 21.Rfd1+= a4 22.Rc2 (22.Nh4 Rd8+=) 22...Rb8 23.Bc5 (23.Rc3 Kg8+=) 23...Nc5= 24.h3 (24.Nc4 Qe4=) 24...Qb7 25.Nc4 (25.Rc3 Kg8=) 25...Qb3 26.Qa1 0–1. Wulf,Adalbert (2025) – Osswald,Michael, Alpenpokal op, 2003. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 a5 5.b5 c6)

6.bc6 bc6 7.e3 Be7 8.d4 0-0 9.Bd3 Nbd7 10.0-0 Ba6 11.Ba6 Ra6 12.Nbd2 Qb6 13.Rb1 Qa7 14.c4 c5 (14...Rb6 15.c5 Rb5 16.a4=) 15.cd5+= Nd5 16.dc5 Nc5 17.Nb3 Nb3 18.Qb3 Rb8 19.Qd3 Rab6? (better is 19...Qa8=) 20.Bd4+– Rb1?? (better is 20...Rd8 21.Qc2 Qa6 22.Bb6 Rc8+–) 21.Rb1 (better is 21.Ba7 R1b3 22.Qc4+–) 21...Rb1= 22.Qb1 Qa8 23.Qb2 Bf6 24.Bf6 Nf6 25.Nd4 Qc8 26.Qc2 Qc2 27.Nc2 Nd5 28.g3 g6 29.Kf1 Kf8 30.Ke2 Ke7 31.Kd3 Kd6 32.Kd4 Kc6 33.Kc4 Nb6 34.Kb3 Kb5 35.a4 Na4?? 36.Nd4 Kb6 37.Ka4 Kc5 0–1. Fournier,Frederic – Hfile, Partie evaluee, 1m + 0s, 2008.

6.bc6 Nc6 7.e3 b6 8.Bb5 Bb7 9.d3 Bd6 10.Nbd2 0-0 11.0-0 Ne5?? (better is 11...Na7 12.c4 dc4 13.Bc4 b5+=) 12.Ne5 Be5 (12...Qc7 13.Ndf3+–) 13.Be5 Ba6 14.Ba6 Ra6 15.Nf3 b5 (15...Nd7 16.Bd6 Re8 17.Qe2+–) 16.Qd2 (16.Rb1 Qe7+–) 16...Qd7 17.Rfc1 Rc8 18.c3 (18.Bf6 gf6 19.Rcb1 e5+–) 18...Qc6 (18...Ne8 19.a4!+–) 19.Qb2 Nd7 20.Rab1 (20.Bg7!? Qd6 21.Bh6 e5+–) 20...Rb6 21.Bd4 Nc5 22.Ne5 Qb7 23.Bc5 Rc5 24.c4 dc4 25.dc4 b4 26.ab4 Rb4 27.Qa1 Re5 28.Rb4 ab4 29.Qe5 f6 30.Qb2 b3 31.Rb1 Qb4 32.Qb3 Qb3 33.Rb3 Kf7 34.Rb7 Kg6 35.c5 Kf5 36.c6 g6 37.c7 h6 38.c8Q (38.c8Q g5 39.Rb5 Kg4 40.Rb4 Kf5 41.g4 Ke5 42.Qc5) 1–0. Fournier,Frederic – Whitestone, Partie evaluee, 2m + 0s, 2008.

6.bc6 Nc6 7.e3 Bd6 8.Nc3 0-0 9.Nb5 Be7 10.Bd3 Nd7 11.0-0 Nc5 12.Qe2 Qb6 13.Rab1 Qd8 14.Rfc1 Na4 15.c4 Nb2 16.Rb2 dc4 17.Bc4 Na7 18.a4 Nb5 19.Rb5 Bf6 20.d4+= b6 21.Qb2 Rb8 22.Ra5!+/– Qc7 23.Rh5+– Bd7? 24.Bd3 Qa7 25.Bh7 Kh8 26.Ra1 Rfc8 27.Qb4 Qa5?? 28.Bg6 Kg8 29.Ra5 ba5 30.Qd6 Ba4 31.Bd3 Rb3 32.Ra4 Rc1 33.Bf1 Rbb1 34.Nd2 Bh4 35.Nb1 Rb1 36.d5 Rb2 37.Rh4 f5 (37...g5 38.Qd8 Kg7 39.Qg5 Kf8 40.Rh8) 1–0. Fournier,Frederic – baciyelmo, Active (5/0), 2005.

6.e3 (--> 1.b4 c6 2.Bb2 d5 3.e3 Nf6 4.Nf3 e6 5.a3 a5 6.b5).

6.c4 0-0 7.d4 dc4 8.Qc2 c6 9.e4 Ne4 10.Qe4 cb5 11.a4 Bb4 12.Nfd2 (12.Bc3 Bc3 13.Nc3 b4+=) 12...Bd7 13.Qe3 (13.Qb7? Bc6 14.Qa8 Ba8 15.ab5 Bd5–+) 13...Qc7 (13...ba4 14.Bc4 b5 15.Bd3=) 14.ab5 (14.Nc3 ba4 15.Bc4 b5=) 14...Bb5= 15.Be2 Ba6 16.0-0 Nd7 17.Bf3 Rad8 (17...c3 18.Bc3 Bc3 19.Nc3 Bf1 20.Nf1=) 18.Bc3 Nf6 19.Rc1 Nd5 20.Bd5 Rd5 21.Nf3 Bd6 22.Nbd2 Bf4 23.Qe2 b6 24.Rcb1 Rb5 ½–½. Winiger,Albert (2340) – Vadljan,Marcus Franz (2095), RSS4D adv–12, 2006.

6.c4 dc4 7.e3 0-0 8.Nc3 (8.Bc4 Nbd7=) 8...Nbd7 9.Bc4 c5 10.bc6 bc6 11.0-0 e5 12.Qc2 Qc7 13.h3 Ba6 14.Ba6 Ra6 15.Na4 Ra7 (15...Rb8 16.Rac1=) 16.d4+= e4 17.Nd2 Re8 18.Nc3 Can e4 get defended? 18...Rb7 19.Rab1 Reb8 (better 19...c5!?=) 20.Nce4+– Ne4 21.Ne4 a4 22.Bc3 Rb1 (22...Rb3 23.Nd6 Qd6 24.Bb4+–) 23.Rb1 Rb1 24.Qb1 Be7 25.Bb4 Qb8 26.Nc3 Bb4 27.ab4 a3 28.Qf5 Qb7? (better 28...Qa7!?+–) 29.Qa5+– 1–0. pcmvr – selene, net–chess.com, 2018.

6.c4 Nbd7 7.d4 c5 8.cd5 ed5 (worse is 8...Nd5 9.e4 N5b6 10.Be2+=) 9.Nc3 c4 10.e4 (10.e3!?+=) 10...de4-/+ 11.Nd2 Nb6 12.Nc4 Nc4 13.Bc4 0-0 14.Qb3 e3 (14...Bf5!?-/+) 15.fe3+= Ng4 16.Kd2 (16.Ke2 Bf5 (16...Bh2?! 17.Raf1+=) 17.e4 Qg5-/+) 16...Ne3 (16...Bf5!? 17.Raf1 Qg5-/+) 17.Ke3= Re8 18.Ne4 Qg5 19.Kd3 Re4 20.Bf7 (20.Ke4? Bf5 21.Kf3 Be4 22.Ke4 Re8 23.Be6 Re6 24.Kd3 Re3 25.Kc4 Rb3 26.Kb3 Qb5 (26...Qg2?! 27.Rac1–+) 27.Kc2 Qe2 28.Kb1 Qg2–+) 20...Kh8 21.Ke4 Bf5 22.Kf3 Rf8 23.Rhf1?? (better is 23.Rae1=) 23...Bg6–+ 24.Ke2 Qg2 25.Rf2 Bh5! 26.Kd3 Qf2 27.Bh5 Qf5 28.Kd2 Qh5 29.Kc2 Rf3 30.Qe6 Qb5 31.Qc8 Bf8 32.Rd1 Rf2 33.Rd2 Rd2 34.Kd2 Qb2 35.Kd3 Qa3 36.Kc2 b5 37.Qf5 Qa4 38.Kb1 Qb4 39.Kc2 Qc4 40.Kb1 Ba3 (40...Ba3 41.Qc2 Qc2 42.Kc2 Kg8–+) 0–1. vulpecula (2070) – glovio (2295), gameknot.com, 2014.

6.c4 Nbd7 7.e3 0-0 8.Qc2 Qe7 9.d4 c5 10.bc6 bc6 11.Nc3 Rb8 12.Be2 dc4 13.Bc4 c5 14.dc5 Bc5 15.0-0 Bb7 16.Be2 Rfc8 17.Qd2 e5 18.Rfc1 Bc6 19.h3 h6 20.Qc2 Nf8 21.Ba6 Rd8 22.Be2 Bd6 23.a4 Bf3 24.Bf3 e4 25.Be4 Ne4 26.Ne4 Rb2 27.Qb2 Qe4 28.Qb6 Qa8 29.Rd1 Be7 30.Rd8 Bd8 31.Qd6 Qc8 32.g3 Ne6 33.Rb1 g6 34.Rb8 Qc1 35.Kg2 Kg7 36.Qe5 Kh7 37.Qe4 h5 38.h4 Bc7 39.Ra8 Kg7 40.Ra6 Qc3 ½–½. Degterev,Pavel (2270) – Biro Jr,Istvan, IECG, 2009.

6.d4 Nbd7 7.e3 0-0 8.Bd3 c5 9.c3 c4 10.Bc2 a4 11.Ba4 Qa5 12.Bc2 Qb5 13.Bc1 Qa5 14.0-0 Nb6 15.h4 Bd7 16.g4 Ba4 17.g5 Ne4 18.Bb2 Qb5 19.Bc1 f6 20.Kg2 Qe8 21.Rh1 Bc2 22.Qc2 Qh5 23.Qd1 Qg4 24.Kf1 fg5 0–1. donex7 (1825) – glovio (2110), gameknot.com, 2014.

6.e3 b6 7.c4 (7.Be2 0-0=) 7...Bb7 (7...0-0 8.cd5 Nd5 9.e4=) 8.cd5 (8.Bf6 Qf6 (worse is 8...gf6 9.cd5 Bd5 10.Nc3+=) 9.d4 dc4+=) 8...ed5 9.Nc3 (9.Be2 c5=) 9...0-0 10.Ne2 (10.Be2 c5=) 10...Re8 (10...c5 11.bc6 Nc6 12.Rb1=) 11.Nfd4 (11.Ned4 c5 12.bc6 Nc6= (12...Bc6 13.Nc6 Nc6 14.Bb5=)) 11...c5+= 12.bc6 Nc6 13.Nc6 (13.Nf5 Be5 14.d4 Bc7=) 13...Bc6 14.Nd4 Bd7 15.Nb5 Bg4 16.f3 Bf5 17.Be2 (17.Nd6 Qd6 18.Bb5 Rec8=) 17...Rc8 (17...Be5 18.Be5 Re5 19.Nd4=) 18.Nd6= Qd6 19.Rc1 Rc1 (19...Nd7 20.0-0=) 20.Qc1 Rc8 (20...Re7 21.Qa1=) 21.Qa1 Ne8 22.Kf2 (22.0-0 Qg6=) 22...Qh6 (22...f6 23.Bd4=) 23.h4 (23.Be5 Qe6=) 23...Nd6+= 24.g4 White intends h5 (24.Bd4 b5+=) 24...Bd7 (24...Bc2 25.Qa2 Qe6 26.Bd4=) 25.Bd3 f5 26.g5 Qg6 27.h5 Qg5 28.Be5 f4?? 29.ef4 Qh6= 30.Qd4 Nf5 31.Bf5+= Bf5 32.Rg1 Qc6+= 33.Bd6 Threatening mate: Qxg7 33...g6?? 34.h6 Qb7 35.Re1 White threatens strongly Be7 (35.Re1 Be4 36.fe4+–) 1–0. Andersson,Lars H – Confente,Giuseppe, corr ICCF TT–4–90 semi, 1994.

6.e3 c6 7.c4 0-0 8.a4 (8.d4 cb5 9.cb5 Ne4=) 8...Nbd7 (8...cb5 9.cb5 Ne4 10.Nc3=) 9.cd5 (9.d4 Bb4 10.Bc3 Be7=) 9...ed5 10.Be2 c5 11.0-0 Qe7 (11...Nb6 12.d3=) 12.Nc3 (12.Qc2 Ne5=) 12...Nb6 13.Rc1 Re8 14.Re1 Bf5 15.d3 h6 16.Ba1 Ng4 (16...Rac8 17.Nb1=) 17.g3 (17.e4 de4 18.de4 Be6=) 17...Nf6 18.Bb2 (18.e4 de4 19.de4 Bh7=) 18...Bh3 19.Qd2 (19.Nd2 Qe6=) 19...Qe6+= 20.Rc2 (20.Bd1 Bg4+=) 20...Re7 21.Rec1 Bg4 22.Qd1 Rae8 23.Kg2 Bh3 24.Kh1 (24.Kg1 g5+=) 24...Nfd7 (24...Ng4 25.Bf1 Bf1 26.Qf1+=) 25.Ba1 (25.Ng1 Bf5+=) 25...Nf6 26.Qe1 (26.Bb2!?=) 26...Bg4-/+ 27.Qf1 (27.Qd1 d4 28.ed4 Qf5-/+) 27...Qd7 28.Kg1 d4! 29.ed4 Re2! 30.Ne2 Bf3 31.dc5 Bc5! 32.Bf6 gf6 33.Nc3 Bd4 34.Ra2 Re5 35.Ne4 Qe6 36.Rac2 Be4 37.de4 Re4 38.Qd1 Na4 39.Kg2 Kg7 40.Rc7 Bb6 41.Rd7 Re2 42.Rd2 Qe4 43.Kh3 Qf5 44.Kh4 Be3! 45.f4 Bf4! 46.gf4 Qf4 47.Kh3 Qf3 48.Kh4 Re4# 0–1. Bonetti,Shane – Messiah, ICC, 2002.

6.Be5 Be5 7.Ne5 Nbd7 8.Nd7 Bd7 9.e3 e5 10.d4 =.

6.Nf3 0-0 7.Be2 Nbd7 8.0-0 e5 9.d4 e4 10.Ne5 Qe7 11.Nd7 Qd7 12.a4 Qf5 13.Ba3 Qg5 14.Bd6 cd6 15.Kh1 Be6 16.Qd2 Rfc8 17.Nc3 b6 18.Bd1 Rc7 19.Ne2 Qh4 20.Kg1 Rac8 21.c3 Bg4 22.h3 Bh5 23.Rc1 Qg5 24.Kh1 h6 25.Qb2 Be2 26.Be2 Qf5 27.Kg1 Qe6 28.Qb3 Kh7 29.Rc2 Ng8 30.Rfc1 Ne7 31.Qa2 g6 (31...Kg8 32.c4 dc4 33.Bc4=) 32.Bg4 (32.c4 dc4 33.Bc4 d5=) 32...f5 33.Be2 g5 (33...Qf6 34.c4 f4 35.Bg4=) 34.c4+= dc4 35.Bc4 d5 36.Bb3 Rc2 37.Rc2 Rc2 38.Qc2 Qd6 39.Qe2 Kg7 40.Qh5 Qg6 41.Qg6 Kg6 42.g4 h5 43.gf5 Kf5 44.Bd1 Kg6 ½-½. Degterev,Pavel (2260) - Tavani,Alberto (2260), CP-2008-Q-00004, 2010.

6.g3 0-0=+ 7.Bg2 a4 8.0-0 (8.c4 dc4 9.Qc2 c6 10.Qc4 Ra5=) 8...c6 (8...Bd7 9.Nc3-/+) 9.Nc3 e5 10.bc6 bc6 11.d3 (11.Rb1 d4 12.Na2 Be6=+) 11...Nbd7 12.Rb1 Re8 (12...Qe7 13.Qc1=+) 13.Re1 (13.e3 Qe7 14.Qc1 Nb6=+) 13...Qe7 14.Qc1 Nc5 (14...Rb8 15.Na4 Ra8 16.Nc3=+) 15.Na2 Na6 (15...Bd7 16.Nb4=+) 16.c4 Bf5 17.Nc3 dc4 18.Qg5 Bg6 19.Nh4 Bc5 (19...Nb8 20.Ng6 fg6 21.Qc1=) 20.Ng6 hg6 (20...fg6 21.Qh4 (< 21.Bc6 Bf2 22.Kf2 Qc5 23.e3 Qc6-/+) 21...Bd4 22.Rec1 cd3 23.Bc6 (< 23.ed3 Nc5-/+) 23...Bf2 A) 24.Kf2 Qc5 25.Ke1 Qc6 26.Na4 Qg2 27.Qc4 Kh8 28.ed3 Qg1 29.Kd2 Qh2 30.Kd1 Red8–+ (< 30...Qg3 31.Nc3–+); B) 24.Kg2=) 21.dc4 (21.Na4? A) 21...Ba3? 22.Bc6 (22.dc4?! Bb2 23.Rb2 Nb4+=) 22...Bb4 23.Rec1+– (23.dc4?! Be1 24.Re1 Qb4+/–); B) 21...Bf2 22.Kh1 Nb8–+; < 21.Bc6 Bf2! 22.Kf2 Qc5 23.Kf1 Qc6 24.dc4 Qc4-/+) 21...Nb8 22.Ne4 Ne4 23.Qe7 Bf2 24.Kf1 Nd2 25.Kf2 Re7 26.Rbd1 e4 27.Bc3 e3 28.Kg1 Rd7 29.Bb4 Ra6 30.Bc5 Nc4 31.Rb1 Rd8 32.Rec1 Nd2 33.Rb7 Nb3 34.Be7 Rd7 35.Rd7 Nd7=+ 36.Rc6 Rc6 37.Bc6 Nb6 38.Be8 Nc1 39.Bc5 Nc4 40.Kg2 Nb3 41.Ba7 Nbd2 42.Ba4 Nb1 43.Bb3 Nba3 44.Bc5 Na5 45.Bf7+/– Kf7 46.Ba3 Nb3 47.Bb2 g5 48.h3 g4+– 49.hg4 g5 50.Be5 Ke6 51.Bc7 Nd4 52.Bd8 Ne2 53.Bg5 Kf7 54.Be3 Kg6 55.Kf3 Nc3 56.Bd2 Nd5 57.Ke4 Nf6 58.Kf4 Nd5 59.Kf3 Nf6 60.Be3 Nh7 61.Bd4 Ng5 62.Ke3 Ne6 63.Bc3 Ng5 64.Be5 Nh7 65.Kf4 Ng5 66.Bb2 Nh3 67.Kf3 Ng5 68.Ke3 Nh3 ½–½. Djuric,Mirko (2225) – Porkolab,Sandor (2090), 2006.

6.g3 0-0 7.Bg2 c6 8.c4 dc4 9.Nc3 e5 10.0-0 h6 11.d4 cd3 12.Qd3 (12.Qd3 Qe7 Combination; 12.ed3 Bf5 Decoy) 12...Qe7 13.Nh4 Rd8 14.Rad1 Bc7 15.Qc2 Rd1 16.Rd1 Be6 17.Qd3 Qd7 18.Qf3 Qc8 19.a4 Bg4 20.Qd3 Qe6 21.f3 g5 22.Ne4 (22.fg4 Bb6 23.Kh1 Ng4 24.Ne4 gh4 25.Bh3-/+) 22...Ne4-/+ 23.Qe4 gh4 24.Qg4 Qg4 25.fg4 hg3 26.hg3 cb5 27.ab5 Ra7 28.Bd5 Kg7 29.Kg2 f6 30.Bc1 a4 31.Rh1 Attacking the backward pawn on h6 31...a3 (31...Nd7!?=) 32.Bh6+= Kg6 33.Bf8 Nd7 34.Rh6 (34.Be4 Kf7 35.Ba3 Ra3 36.Rh7 Ke8+=) 34...Kg5 35.Bg7 Ra4?? (35...Kg4 36.Be4 f5 37.Rg6 Kh5 38.Bf5 Ra4 39.Kh3 Rh4 40.gh4 a2 41.Rg5 mate) 36.e4 (36.e4 Kg4 37.Rg6 Kh5 38.Bf7 Bd8 39.Kf3 Nf8 40.Rh6 Kg5 41.Rh5 mate) 1–0. Trokenheim,Marek (1765) – Rodriguez,Raul, OP–2012–0-02116, 2012.

6.g3 0-0 7.Bg2 c6 8.bc6 bc6 9.0-0 Nbd7 10.Nc3 e5 11.Rb1 Qe7 12.d3 (12.a4 Rb8-/+) 12...Ba3 13.Ba3 Qa3 14.Rb3 Qd6 15.Qa1 Re8 16.Rfb1 Nc5 17.Rb6 Ba6 (17...Qc7!?-/+) 18.d4+= Ncd7 19.de5 Ne5 20.Ne5 Qe5 21.Rc6 d4 22.Na4 Ng4 (22...Be2?! 23.Rc5 Qd6 24.Rb6+=) 23.Nc5 Qe2 (better is 23...Be2!? 24.Nd3 Bd3 25.cd3 Qh5-/+) 24.Ra6= Ra6 25.Na6 Qf2 26.Kh1 Qc2 27.Re1 Re1-/+ 28.Qe1 Ne3 29.Bf1 h6 30.Kg1 Nf1 31.Kf1 Qc4 32.Kg1 Qa6 33.Qe8 Kh7 34.Qf7 Qd3 35.Qd7 Qe3 36.Kg2 Qe4 37.Kf2 d3 0–1. Fournier,Frederic (2165) – Frizzt8(C) (2265), Active, 2007.

6.g3 0-0 7.Bg2 c6 8.bc6 Nc6 (9.Nc3 e5=+). rampantpawn – Double Wood, ChessWorld.net, 2005.

6.g3 0-0 7.Bg2 Nbd7 8.0-0 e5 9.d3 Re8 10.Nbd2 (10.c4 dc4 11.dc4 e4=+) 10...Nc5 11.a4 (11.c4 e4 12.de4 de4=+) 11...Bg4 12.d4 ed4 13.Nd4 Qd7 (13...h6 14.c4 Nd3 15.Bc3=+) 14.c4 Nd3 15.Bc3 Bc5 (15...Nb4 16.cd5 Nfd5 17.Bb2=+) 16.Bf3 (16.N2f3 Nf2! (worse 16...dc4 17.ed3 Bd4 18.Bd4 Bf3 19.Bf3 Qd4 20.dc4+=) 17.Rf2 dc4-/+) 16...Ne5 (16...Nb4 17.N4b3 Be7 18.Bg4 Qg4 19.cd5 Nbd5 20.Bb2=+) 17.N4b3= Bb4 (17...Nf3? 18.ef3 Bb4 19.Bb4 Bf3 20.Nf3 ab4 21.cd5 Nd5 22.Qd3+–) 18.Be5 Re5 19.Bg4 (19.cd5 Bf3 20.Nf3 Rd5=) 19...Ng4 20.e3 (20.Nf3 Rh5 21.h4 Re8=+) 20...Rae8 (20...Rh5 21.Qf3-/+) 21.Qf3=+ Rh5 (21...d4 22.ed4 Re2 23.Qd3=+) 22.h4-/+ c5 (22...Nf6 23.Rfd1=+) 23.bc6=+ bc6 24.Rfd1 (better 24.cd5!? cd5 25.Rfd1=+) 24...Rh6-/+ 25.Qg2 (25.Qe2 Rg6 26.Nf1-/+) 25...Ne3 (25...Rf6 26.Nf3 Qf5–+) 26.fe3=+ Re3 27.Nd4 Bc5 28.N2f3 Rg6 (28...dc4 29.Rab1 Ba7=+) 29.Ra2 (better 29.cd5!? Rf3 30.Qf3–+) 29...h6 (29...dc4 30.Kh2 h6 31.Qf2-/+) 30.Kh1 (30.Rad2 Qc7 31.Kf2 Rf3 32.Qf3–+ (32.Kf3?? Rf6 33.Nf5 Rf5 34.Kg4 Qd7–+)) 30...dc4 31.Rad2 c3 (31...Qg4 32.Nh2 Qg3 33.Qg3 Reg3 34.Ndf3-/+) 32.Rd3 Rd3 33.Rd3 Qd6 (33...c2 34.Qc2 Qh3 35.Nh2 Bd4 36.Rd4 Qg3 37.Rd8 Kh7 38.Rd1 Qh4 39.Rg1-/+) 34.Qf1 Qg3 35.h5?? (better 35.Ne2 Qg4 36.Rd8 Kh7 37.Nc3-/+) 35...Rf6–+ 36.Qg2 Qf4 (better 36...Qg2 37.Kg2 Rd6 38.Rc3 Bd4 39.Rd3–+) 37.Qe2? (37.Nb3 Rf5 38.Nc5 Rh5 39.Nh2 Rc5 40.Rd8 Kh7 41.Qc2 Qf5 42.Qf5 Rf5 43.Rd1–+) 37...Bd4 38.Nd4 Qh4 39.Kg2 Rf4 40.Rh3 (40.Nc6 Rg4 41.Qg4 Qg4 42.Kf2 Qf4 43.Ke2 Qe4 44.Re3 Qc6–+) 40...Qg5 41.Rg3 Qd5 42.Nf3 Ra4 43.Qe8 (43.Qe5 Qe5 44.Ne5 c2–+) 43...Kh7 44.Qe3 (44.Qe5 Qe5 45.Ne5 c2–+) 44...Ra2 45.Kg1 Ra1 46.Kg2 (46.Ne1 c2 47.Qc3 Re1 48.Kf2–+) 46...Qa2 47.Kh3 0–1. Maes,Jacques (2300) – Richter,Wolfgang (2200), TT/1/14/2 ICCF, 2014.

6.g3 0-0 7.Bg2 Nbd7 8.0-0 e5 9.d3 Re8 10.Nfd2 c6 11.c4 cb5 12.cd5 Nb6 13.Nc3 Bd7 14.Nde4 Bf8 15.Nf6 Qf6 16.Qb3 (16.e3 b4 17.Ne4 Qg6 18.ab4 Bb4=+) 16...b4 17.ab4 Bb4 18.Ne4 Qg6 19.f4 (19.Rfc1!?=) 19...ef4 20.Rf4 f5 21.Nc3 Qf7 (21...Bc5!? 22.d4 a4-/+) 22.Rb4 ab4 23.Qb4 Ra1 24.Ba1 Qf6 25.Bb2 Nc8 26.Kf2 (26.Qb7 Qd4 27.Kf1 Nb6=) 26...Qb6 (26...b5!?=+) 27.Qb6= Nb6 28.e4 fe4 29.de4 Nc4 30.Bc1 b5 31.Bf1 (31.Ke2 b4 32.Na2 b3-+) 31...Rc8 (better 31...Nd6 32.Bd3 b4-/+) 32.Na2?? (better 32.Bf4=) 32...Ne5-+ 33.Bf4 Rc2 34.Be2 Ra2 35.Be5 (35.Ke3 Ng4 36.Bg4 Bg4-+) 35…Bg4 0-1. FeegLood (2800) - Arka50 (2755), lichess.org, 2016.

7.c4 dc4 8.Bc4 c6 (8...Nbd7 9.d4=) 9.a4 (9.Nc3 Nbd7=) 9...cb5 (9...Bd7 10.0-0=) 10.ab5 (10.Bb5 Bd7=) 10...Qc7 (10...b6 11.0-0=) 11.Qb3 (11.d3 Nbd7=) 11...Bd7 (11...Nbd7 12.d3=+) 12.Nc3 (12.Bf6 Rc8 13.d3 gf6+=) 12...Ng4 (12...Rc8 13.d3=) 13.d4 (better is 13.Ne4 Be7 14.0-0+=) 13...Nh2? (better is 13...Rc8 14.Bd3 Nf6+= (14...Nh2? 15.Nh2 Bh2 16.b6+–)) 14.Nh2+– a4 (14...Bh2? 15.b6 Qc6 16.d5 ed5 17.Nd5+–) 15.Na4 Bh2 16.b6 Qd6 17.Ba3 Qc6+/– 18.Bf8 Qg2 19.Rf1 Kf8 20.d5 Be5 21.Ra2 ed5 22.Bd5 Qg4 23.Nc3+/– Ra2 24.Na2 Be6 25.Be6 Qe6 26.Qe6 fe6 27.Rh1 h6 28.Rh5 Nd7 29.Ke2 Kf7 30.f4 Bf6 31.Rb5 g6 32.Nc1+= e5 33.fe5 Be5 34.Nb3 Bd6 35.Kf3 Kf6 36.Ke4 Be7 37.Na5 Nc5? 38.Kd5+– Na4 39.Kc4 Bd8 40.Nb7 Nb6 41.Kc5 Bc7 42.Kc6 Na8 43.Nc5 Bh2 44.Rb2 Bg1 45.Ra2 Be3 46.Ra8 h5 47.Kd5 h4 48.Nd3 Kf5 49.Rf8 Kg5 50.Ke4 Bd2 51.Kf3 Bc3 52.Kg2 Kg4 53.Nf2 Kh5 54.Kh3 g5 55.Ng4 Kg6 56.Nh2 Kh5 57.Rc8 (57...Bd4 58.Rc4+–; 57.Rf5 Bd4+–) 1–0. Raanby,Hans – Nordstroem,K, corr SSKK 2–03, 1989.

7.c4 c6 8.a4 cb5 (8...Nbd7 9.d4+=) 9.cb5 Nbd7 (9...Ne4 10.Be2=) 10.d4 Ne4 (10...Qe7 11.Bd3=) 11.Bd3 (11.Ba3 Ba3 12.Ra3 b6=) 11...Ndf6 (11...Re8 12.0-0=) 12.Nbd2 (12.0-0 Bd7=) 12...Bd7 (12...Nd2 13.Nd2 Qe7 14.Rc1=) 13.0-0 (13.Ba3 Ba3 14.Ra3 Rc8=) 13...Nd2 (13...Rc8 14.Ba3 Ba3 15.Ra3+=) 14.Qd2 Ne4 15.Qd1 (15.Qe2 Qe7=) 15...f6 (15...Qe7 16.Ne5=) 16.Qb1 f5 17.Ba3 Ba3 18.Ra3 Rc8 19.Rc1 Qe7 20.Rb3 b6 21.Rc8 Rc8 22.Qe1 Be8 23.Ne5 Qd6 (23...Qc7 24.Rb1+=) 24.f3 (24.Rb1 Qa3 25.Ra1 Qb2 26.Be4 fe4=) 24...Ng5 (24...Nf6 25.Qd2+=) 25.Rb1 Nf7 26.Nf7 Kf7 27.Ra1 (27.Rb2 Bd7 28.Rc2 Rc2 29.Bc2 e5=) 27...Qb4 28.Qd1 Rc3 29.Rc1 ½–½. Sternik,Ryszard – Wolff,T, corr MCO–3–30, 1997.

7.c4 c6 8.d4 b6 =.

7.c4 c6 8.d4 dc4 9.Bc4 Bd7 10.Nc3 Qb6 11.Qd3 Rc8 12.Rb1 cb5 13.Nb5 Be7 14.Ne5 (14.Nc3 Bc6 15.Bb5 Bf3 16.gf3 Nc6=) 14...Rc4+= 15.Nd7 Qb5 16.Ne5 Bb4 17.Kf1 Ne4 18.Ke2?? (better is 18.Rd1 Nd6 19.Nc4 Nc4 20.ab4 Qb4 21.Bc3+=) 18…Rc2–+ (18...Rc2 19.Kf3 Rf2 20.Kg4 Rg2 21.Kf3 Rf2 22.Kg4 Qd5–+) 0–1. Mack,Lienhard (1675) – Schulz,Hans_Juergen (2305), RSS4E–18 remoteschach.de, 2003.

7.c4 c6 8.Be2 Nbd7 9.0-0 cb5 10.cd5 ed5 (10...Nd5 11.Bb5 Nc7 12.Nc3=) 11.Bb5 Qe7 12.Nd4 Ne5 13.f4 Neg4 14.h3 (14.Nc3 Bc5 15.Na4 Ba7+=) 14...Nh6 15.Nc3 Be6 (15...Nf5 16.Qa4=) 16.Qb3 Attacks the isolani on d5 16...Ne4 (16...Bc5!?+=) 17.Ne4+/- de4 18.Qc2 (better 18.Ne6!? fe6 19.Bc4+/-) 18...Bd5= 19.Qc3?? (19.Rfc1=) 19...Rac8?? (better 19...Rfc8 20.Nc6 Qf8-+) 20.Nc6+= (20.Qa5? Ra8 21.Ba6 Bc4-+) 20...Qf6 21.Qf6 gf6 22.Nd4 (worse 22.Na5 b6-/+) 22...Bc4 (22...Bc5 23.g4+=) 23.Bc4+/- Rc4 24.a4 (24.g4 Rc5+/-) 24...Rfc8 25.Ba3 (25.Rfd1 f5+=) 25...Ba3 26.Ra3 Kg7 27.Rb3 (27.g4 Rb4+=) 27...R8c7 (27...Ra4 28.g4=+) 28.Rfb1 (28.Ra1 f5+=) 28...Ra4= 29.Rb7 Rb7 30.Rb7 Ra2 31.g4 Rd2 32.g5 (32.Ne6 Kh8 33.Nc5 Rd1 34.Kf2 Rd2 35.Kf1 Rc2 36.Ne4 f5+/-) 32...Ng8 (32...fg5 33.fg5 Ng8 34.Ra7=) 33.h4 (33.Ne6 Kg6 34.Nf8 Kg7 35.Ne6 Kg6 36.Nf8 Kg7 37.Ne6=) 33...fg5 (33...h6 34.Ne6 Kg6 35.Nf8 Kh5 36.Rf7 Kh4 37.gf6=+) 34.hg5= a4 35.Ra7 Ra2 (better 35...h6=+) 36.f5+/- h6? (better 36...Ra1 37.Kg2 Ra2 38.Kg3 Ra1+-) 37.Ne6 Kh8 38.Ra8 (better 38.Rf7 hg5 39.Ng5 Ra1 40.Kg2+-) 38...hg5 (38...Ra1 39.Kf2 Rd1 40.Ke2=+) 39.Ng5 (better 39.f6!? Rb2 40.Ng5=) 39...Kg7-/+ 40.Ra7 (40.Ne4!? Nh6 41.f6 Kg6 42.Nc3=+) 40...Nh6 41.Ne4 Nf5 42.Nc3 Ra1 (42...Ra3 43.Nd5-/+) 43.Kf2 a3 44.e4 (44.Nb5 a2 45.Nc3 Ne3 46.Ra2 Ra2 47.Na2 Nd5-/+) 44...Nd4 45.Ke3 Nc2 (45...Nc6 46.Ra6 Ne5 47.Kd4 Nf3 48.Kd5-/+) 46.Kd2 Nb4 47.e5 (better 47.Ra4 a2 48.Rb4 Rd1 49.Kd1 a1Q 50.Kd2-/+) 47...a2 (better 47...Kf8-/+) 48.e6= Rf1?? (better 48...Nc6 49.Na2 Ne7=) 49.e7+- (49.Na2?! Rf2 50.Ke3 Ra2 51.Rf7 Kg6=) 49...Rf2 (49...Nc6 50.e8Q Rf2 51.Ke3 Na7+-) 50.Ke1 (50.Ke3 Rf1 51.e8Q Nc2 52.Kd2 a1Q 53.Qe5 Kg8 54.Ra1 Na1+-) 50...Rf6?? (better 50...Nd3 51.Kd1 Nb2 52.Ke1 Nd3 53.Kd1 Nb2 54.Ke1 Nd3=) 51.e8Q+- Kg6 (51...Re6 52.Qe6 a1Q 53.Ra1 fe6+-) 52.Qg8 Kf5 53.Ra5 Kf4 54.Na2 (54.Ne2 Ke4 55.Qg4 Kd3 56.Qd4 Kc2 57.Qc3 Kb1 58.Qc1) 54...Re6 55.Kf1 Nd3 56.Ra4 (56.Qf7 Rf6 57.Qf6 Ke3 58.Ra4 Kd2 59.Qc3 Ke3 60.Nc1 Kf3 61.Qd3) 56...Ke3 57.Qg1 Kd2 58.Qh2 Kd1 59.Nc3 Kc1 60.Ra1 1-0. carlos78 (2215) - nacuna (2135), Rated Blitz game, lichess.org, 2014.

7.c4 Qe7 8.Nc3 Nbd7 9.Be2 Nb6 10.cd5 ed5 11.0-0 Bg4 12.h3 (12.d3 Rfe8=) 12...Bf5 (12...Bf3 13.Bf3 Nc4 14.Qc1+=) 13.Nd4= Bg6 14.f4 h6 15.f5 Bh7 16.Qb3 Rfe8 17.a4 Bc5 18.Ba3 Bb4 19.Rfb1 Ba3 20.Ra3 Qe5 21.Rf1 Qd6 22.Raa1 Re7 23.Bf3 Pawn d5, live or die! 23...Rae8 24.Rac1 Qe5 25.Be2 Qg3 26.Rf3 (26.Rf3 Qd6 27.Qc2=) 1–0. Fournier,Frederic – Concepts, Active (3/0), 2006.

7.c4 Qe7 8.d4 b6 9.Nc3 Rd8 =.

7.c4 Qe7 8.d4 b6 9.Nbd2 Rd8 10.Bd3 Bb7 (10...c6 11.0-0=) 11.Qc2 (11.cd5 ed5 (11...Bd5? 12.e4+–) 12.0-0 Rc8+=) 11...g6 (11...c6 12.bc6 Nc6 13.0-0=) 12.e4 (12.cd5 ed5 (12...Bd5? 13.e4+–) 13.0-0 Rc8+=) 12...de4 13.Ne4 Ne4 14.Be4 Be4 (14...c6 15.c5 Bf4 16.Qc3+/–) 15.Qe4 Nd7 16.0-0 h6 (16...Nf6 17.Qe3 Ng4 18.Qe2+=) 17.Qe3 Kh7 18.Bc1 (18.Rfe1 Qf6+/–) 18...Qf8+= 19.Kh1 (19.Re1 Rac8+=) 19...Nf6 (19...Qg7 20.Re1+=) 20.Ne5+/– Be5 21.de5 Ng8 22.a4 (22.Qc3 Ne7+=) 22...Rd7 (22...Qb4 23.Qf3 Kg7 24.Be3+/–) 23.Ba3+/– Qd8 (23...Ne7 24.Rfd1 Rad8 25.Qf3+/–) 24.c5 bc5 (24...Kg7 25.cb6 cb6 26.Bd6+/–) 25.Bc5 (25.Qf3 f6+/–) 25...Rd3 (25...Ne7 26.Qg3+/–) 26.Qf4 Qd7 27.Rab1 White prepares the advance b6 27...Rd8 28.h3 Kg7 29.b6 cb6+= 30.Bb6 Ra8 31.Rfc1+/– g5 32.Qg4 Rc8 33.f4?? Rc1+= 34.Rc1 Qa4 35.Rf1 Rb3 36.Qd1 Rb4 37.Qd8? Qb5–+ 38.fg5 Qf1 39.Bg1 Qf5 40.gh6 Nh6 (40...Nh6 41.Qa5 Rb1–+) 0–1. Schwarz,B – Stephan,Oeynh, OWL–ch Buende, 1949.

7.c4 Qe7 8.d4 b6 9.Bd3 dc4 10.Bc4 Bb7 11.0-0 c6 12.Nc3 Qc7 13.g3 (13.Rc1 c5+=) 13...Rc8= 14.Rc1 Nbd7 15.a4 Be7 16.Re1 h6 17.e4 White intends d5 17...c5 18.d5 Nf8 (18...ed5 19.Nd5 Nd5 20.ed5+=) 19.de6+/– Ne6 20.Nd5 Nd5 21.Bd5 Rd8 22.Qb3 Bd5 23.ed5 Ng5 24.Ng5 Bg5 25.Rcd1 Rac8 26.Be5 Qd7 27.Qc4 Qf5 28.Bb2 Bf6 Attacks the isolani on d5 29.Bf6 Qf6 30.Re2 Rd6 31.Rde1 Qd4 32.Qc2 Rf8 33.Rd1 Qf6 34.Qd3 ½–½. Hal1958 – Comrad_borscht, playchess.de, 2004.

7.c4 Re8 8.d4 dc4 9.Bc4 c6 10.Nc3 cb5 11.Nb5 Be7 12.Rc1 Bd7 13.0-0 Nc6 14.Ne5 Qb8 (14...Rc8 15.Nd7 Qd7 16.Qf3+=) 15.Nd7+/– Nd7 16.a4 Rc8 17.d5 ed5 18.Bd5 Nb6 19.Bb3 Nb4? (19...Rf8 20.Rc6 Na4+–) 20.Qg4 g6 (20...Bf8 21.Qh5 N4d5+–) 21.Qd4 1–0. Kortis – Belle, internet, 2016.

7.d4 c5 8.c4 (8.dc5 Bc5 9.Bd3 Nbd7=) 8...cd4 (8...Nbd7 9.Nc3=) 9.Bd4 Nbd7 (9...Qe7 10.cd5 Nd5 11.Bc4=) 10.cd5 ed5 (10...e5 11.Bc3=) 11.Nc3 Re8 12.Be2 Qe7 13.a4 b6 (13...Ne5 14.0-0=) 14.0-0 Bb7 15.Qb3 The isolani on d5 becomes a target 15...Rac8 16.Rad1 (16.Rfd1 Nc5 17.Qb2 Qe6=) 16...Nc5 17.Qa2 Nce4 18.Qb3 (18.Qa1 Ng4 19.Rc1 Ba3+=) 18...Nc3 (18...Bc5 19.Rc1=) 19.Bc3 Ne4 20.Bb2 (20.Bd4 Nc5 21.Qa2 Rc7=) 20...Nc5 21.Qa2 h6 (21...Rc7 22.Rc1=) 22.Nd4 g6 23.g3 Be5 24.Nc6 Bc6 25.Be5 Bd7 26.Bd4 Bh3 27.Rfe1 Qe6 28.Rc1 Kh7 29.Bc5 Rc5 30.Rc5 bc5 The passed pawn on b5 will become decisive later 31.Bf3 Rd8 Black intends d4 32.Qd2+/– d4 33.Qa5 Qf6 Do you see the mate threat? 34.Bc6 de3 35.fe3 Rd3 36.Bg2 Bg2+= 37.Kg2 Qb2 38.Kg1+= Qe5 Exerts pressure on the isolated pawn 39.Qa7 Kg7= 40.Qb7 Ra3 41.Rf1 Do you see the mate threat? 41...Qe3 42.Kh1 Qe6 43.Qc6 c4 44.Qe6 fe6 45.b6 Ra4 46.Rb1 Ra8 47.Kg2 Rb8 48.Kf3 c3 49.Ke4 c2 50.Rc1 Rb6 51.Rc2 Kf6 52.Rf2 Ke7 53.Ra2 Rb1 54.Ra8 Rh1 55.h4 Re1 56.Kf3 Rb1 57.g4 Rb5 58.Ke4 Rb4 ½–½. Algra,K – Kuhlmann,AEJ, Fin Vet, 1992.

7.d4 c6 8.Nc3 cb5 (8...Nbd7!?=+) 9.Nb5+= Ne4 10.Bd3 Bd7 11.Nd6 Nd6 12.0-0 a4 13.Rc1 b5 14.h3 h6 15.Rb1 Nc6 16.Bc3 Rb8 17.Ne5 Qc7 18.Nc6 Qc6 19.Bb4 Rfc8 20.Qh5 Ne4 21.Rfe1 Re8 22.c3 Rbc8 23.Rb2 Qb6 24.Be4 (24.f3!? Nd6 25.g4+–) 24...de4= 25.Reb1 Bc6 26.Qg4 Qd8 27.Bc5 Qd5 28.Rb4 Bd7 29.Rd1 (worse 29.Rb5 Bb5 30.Rb5 Qc6=) 29...Bc6 30.Qe2 Rb8 31.Rdb1 Rb7 32.R4b2 Reb8 33.Rb4 Qd7 34.Qh5 Qd5 35.Qd5 ed5 36.g4 Re8 37.Kg2 f5 38.Re1 Rf7 39.Kg3 (39.gf5!? Rf5 40.Bd6-/+) 39...Re6 40.Rb2 Rg6 41.Rg1 Bd7 42.f4 ef3 43.Kf2 fg4 44.hg4 Bg4 (better 44...Kh7!?-/+) 45.Rb5= Bd7 46.Rb8 Kh7 47.Rg6 Kg6 48.Rb6 Kf5 49.Kf3 h5 50.Rb2 (50.e4 de4 51.Ke3 h4=) 50...g5 (50...Kg5 51.Kg2=+) 51.e4= Kg6 52.Ke3 g4 53.ed5 Rf3 54.Ke4?? (better 54.Ke2!?=) 54...Bf5-/+ (54...Rc3?! 55.Rb6 Kf7 56.Rb7=) 55.Ke5 g3 56.c4?? (better 56.Be7-/+) 56...h4–+ 57.Rb6 Kh5 58.Rb8 h3 59.Rh8 Kg6 60.Rg8 (60.d6 h2 61.d7 Bd7 62.d5–+) 60...Kh7 61.Rb8 g2 62.Rb7 Kg6 (62...Kg6 63.Rb6 Kh5–+) 0–1. Silent Move (2115) – markspindler, redhotpawn.com, 2012.

7.d4 c6 8.c4 =.

7.d4 Nbd7 8.c4 c5 9.Nbd2 Re8 10.Ne5 cd4 11.ed4 Ne4 (11...b6 12.Rc1=) 12.Ne4+= de4 13.Qc2 f5 14.c5 Ne5 15.de5 (15.cd6?! Nf7+=) 15...Bf8 16.Be2 Qc7 17.Rc1 Rd8 18.0-0 Rd5 Increases the pressure on c5 19.Bc4 Rd8 20.Qb3 Bc5 21.Be6 ½–½. Fournier,Frederic (1605) – Asa nisi masa (1670), Redhotpawn.com, 2012.

7.d4 Nbd7 8.Bd3 Qe8 9.0-0 e5 10.de5 Ne5 11.Ne5 Be5 12.Be5 Qe5 13.Nd2 Qd6 14.Nf3 Bg4 15.h3 Bh5 16.Be2 Rfe8 17.Nd4 Be2 18.Qe2 Ne4 19.Qd3 Re5 20.c4 (20.Nf3!? Nc5 21.Qe2=) 20...dc4-/+ 21.Qc4 (21.Qc2!?-/+) 21...Nd2 22.Qc3 Nf1 23.Kf1 Rc5 24.Qd2 (24.Qb2–+) 24…Rb5! 0–1. Fournier,Frederic – Felixdaniel (2400), Partie evaluee, 3m + 1s, 2008.

7.Be2 c5 8.0-0 Nbd7 9.c4 d4 (better is 9...e5!?+=) 10.ed4+= cd4 11.Nd4 Qc7 12.Qb3 (better is 12.Nf3!?+=) 12...Bh2+= 13.Kh1 Be5 14.Rc1 (better is 14.Nf3!? a4 15.Be5 Ne5 16.Qc3 Nf3 17.Bf3=) 14...Nc5-/+ 15.Qc2 Rd8 16.Nf3 Bb2 17.Qb2 Ng4 18.g3?? (better is 18.Kg1 e5 19.Nh2 Nh2 20.Kh2-/+) 18...Nf2–+ 19.Kg2 Nfe4 20.d3 (20.Qe5 Qe5 21.Ne5–+) 20...Qg3 21.Kh1 Nf2 mate 0–1. Neumann,Frank – Zukan,Jakob, OP–2012–0-02026, 2012.

7.Be2 c5 8.d3 Nbd7 9.c4 b6 10.Nbd2 Bb7 11.0-0 Re8 12.Qc2 Rc8 (12...Qc7 13.h3=) 13.Rfd1 (13.h3 h6=) 13...e5 (13...Qc7!?=) 14.cd5+= Nd5 15.Nc4 Bb8 16.Rab1 Qf6 17.Nfd2 (17.g3 Qg6+=) 17...Qh6 18.h3 Re6 (18...Bc7 19.a4=) 19.Bg4+= Rce8 (19...Re7 20.Ne4+=) 20.Be6+– Re6 21.Kf1 Rg6 22.Nf3 f6 (22...Qh5!?+–) 23.Qb3 (23.Bc1 f5+–) 23...Kh8 (23...Kf8 24.Bc1 Qh5 25.e4+–) 24.Ncd2 (24.Bc1 Qh5 25.e4 f5+–) 24...Bd6 (24...f5 25.Rbc1+–) 25.Ne4 (25.e4!? Rg2 26.ed5 Qh3+–) 25...Bf8 (better 25...Bc7+–) 26.Ng3?? (better 26.Bc1 f5 27.Ng3+–) 26...Rg3 (26...Ne3 27.fe3 Bf3 (27...Rg3?! 28.e4=) 28.gf3 Rg3–+) 27.fg3=+ Ne3 (27...c4 28.dc4 Nc5 29.Qa2 Ne3 30.Kf2=+) 28.Kf2= Ng2 (28...Bd5 29.Qc3 Nd1 30.Rd1=) 29.Kg2 Qe3 30.Rf1 e4 31.Qd1 (31.Rf2 ef3 32.Kf1 Qe7=) 31...ef3 32.Kh2 (better 32.Rf3!? c4 33.d4=+ (33.dc4?? Bc5 34.Qf1 Qb3–+)) 32...Bd6 33.Bc1 Qd4 34.Bb2 (better 34.Rf3 Ne5 35.Rf1-/+) 34...Qe3 (better 34...Qd5 35.Qe1 h5–+) 35.Bc1=+ Qe2 36.Qe2 fe2 37.Re1 Bf3 (better 37...Ne5!? 38.Re2 Nf3 39.Kh1 Nd4 40.Rg2 Bg3=+) 38.Bf4 Ne5 39.Rb3 (better 39.Kg1!? Bh5 40.g4 Nf3 41.Kf2 Ne1 42.Re1 Bf4 43.gh5+–) 39...Bd5=+ 40.Be5 Be5 (40...fe5? 41.Rc3+–) 41.Rbb1 h5?? (41...Bf3!?=) 42.h4 (better 42.Re2 Be6 43.Rbe1+–) 42...Bf3+= 43.Rb3 (better 43.Rbc1+=) 43...Bd4-/+ 44.Rbb1 Kh7 45.Rec1 (45.Rbc1 Bf2-/+) 45...Kg6 46.Rc4 Be3 47.Rf4 Bf4 48.gf4 Kf5 (48...Bg4 49.Re1–+) 49.Kg3-/+ Bg4 50.Re1 (50.a4 g6-/+) 50...Ke6 (50...a4!?–+) 51.Kf2-/+ Kd5 52.Ke3 Ke6 53.Ke4 (53.Kf2 g5 54.fg5 fg5 55.hg5 Kf5-/+) 53...g6 (53...Kd6 54.Rh1=+) 54.Rc1 (54.a4 Kd6=+) 54...Kd6 (54...a4 55.Rg1=+) 55.Re1 (55.Ke3 Kd5=) 55...Ke6 56.Rc1 Bh3 (56...a4 57.Re1=+) 57.Rg1?? (better 57.Ke3 Bg4 58.Ke4=) 57…Bf1 (57...Bf1 58.Kf3 e1Q 59.Rf1 Qf1 60.Kg3 Qd3 61.Kh2 Kf5 62.Kg2 Kf4 63.a4 Qe2 64.Kh3 Qg4 65.Kh2 Kf3 66.Kh1 Qg2) 0–1. Souza,Kim Garcia De (1745) – Mendes,Rod (2015), Brazil Telecom Sesc Open, 2017.

7.Be2 c6 8.a4 Re8 9.d4 Nbd7 10.Ne5 Ne4 11.0-0 f6 12.Nd7 Bd7 13.f3 Ng5 14.f4 Ne4 15.Nd2 Nd2 16.Qd2 cb5 17.ab5 Qe7 18.c4 (worse is 18.Ra5 Bb4 19.Bc3 Ba5 20.Ba5 Qa3+=) 18...dc4 19.Bc4 Rec8 20.Qe2 a4 21.e4 (21.Rfc1!?=) 21...a3-/+ 22.Bc1 Bb4 (22...Ra4 23.Bd3 Rd4 24.Be3-/+) 23.Rf3 (better is 23.Qd3!?=) 23...Qd6 24.Be3 Bc3 25.Rd1 Qb4 (25...Bb5!? 26.Bb5 a2-/+) 26.Ba2+= Qb2 27.Rf2 Qe2 28.Re2 Kf8 29.b6 (29.Rc1 Ba5 (29...Bb5? 30.Rec2+–) 30.Rb1 Ke7-/+) 29...Bb5 30.Rf2 Bc4 31.d5 ed5 32.ed5 Bb2 33.Bc4 Rc4 34.d6 a2 35.Rb2 a1Q 36.Ra1 Ra1 37.Kf2 Rd1 38.Bd2 Ke8 39.Ke2 Ra1 40.f5 Kd7 41.Kd3 Raa4 42.g3 Rd4 43.Ke2 Kd6 44.Be3 (44.Rc2 Kd5–+) 44...Re4 (better is 44...Rd5!? 45.Bf4 Kc6 46.Be3–+) 45.Kf3 Kc6 46.Rb3 h5 47.h3 Rab4 48.Rc3 Rec4 49.Rd3 Rb1 0–1. Pisarsky,Georgy (2080) – Okladnikov,Gennady (2215), Novosibirsk–ch Seniors, 2008.

7.Be2 c6 8.Nc3 Bd7 9.0-0 Qc7 10.Rb1 e5 11.bc6 bc6 (< 11...Qc6 12.Nb5 Re8 13.Nd6 Qd6 14.Be5 Re5 15.Ne5 Qe5 16.Rb7+=; < 11...Bc6 12.h3=) 12.h3 Na6 13.d3 Rfb8 14.Qd2 Rb7 15.Na2? (better is 15.d4!? ed4 16.ed4=+) 15...Rab8–+ 16.c4 e4 17.de4 de4 (17...Ne4 18.Qd4 Nf6 19.cd5=) 18.Ne1 Nc5 (better is 18...Ba3 19.Ba3 Rb1–+) 19.Nc3-/+ Be5 20.Nd1 Bb2 21.Rb2 Rb2 22.Nb2 Qe5 23.Nd1 Nb3 24.Qa2 Be6 25.f4 Qc5 26.Qc2 Qa3 27.f5 Bd7 28.g4 h6 29.h4 Qd6 30.Kg2 a4 31.Nc3 c5 32.g5 hg5 33.hg5 Nh5?? (33...Nd2 34.Rh1 a3 35.gf6-/+) 34.Ne4?? (better is 34.Bh5 Qd2 35.Qd2 Nd2 36.Rf4+=) 34...Bc6-/+ 35.Nf3? (35.Bh5 Qd2 36.Kg3 Qc2 37.Nc2 Be4-/+) 35...Qe7 (better is 35...Be4 36.Qe4 Qg3 37.Kh1 Qh3 38.Kg1 Ng3–+) 36.Bd3 Re8 37.g6 (37.Rh1 Be4 38.Be4 Qe4 39.Qe4 Re4 40.Rh5–+) 37...fg6 (37...Be4?! 38.Be4 fg6 39.Bc6=+) 38.Nfg5 (38.f6 gf6 39.Ng3 Qe3 40.Nh5 gh5 41.Bh7 Kh8 42.Qg6–+) 38...Qg5 39.Kf2 Be4 40.Be4 Qh4 41.Kf3 Re4! 42.Qd3 (42.Qe4 Nd2) 42...Qg4 43.Kf2 Qg3 (44.Ke2 Nc1 45.Rc1 Nf4 46.Kd2 Nd3 47.Rf1 Qe3 48.Kc2 Nb4 49.Kb2 Qb3 50.Ka1 Nc2) 0–1. Le Phi Long – Vu Thanh Tu, Nam PTTH Dong Thap, 2000.

8.Nc3 dc4 9.Bc4 A) 9...e5 10.d3 (10.0-0 Nbd7 11.d3 Nb6 12.Bb3 Bg4 13.h3 Bf5 14.Rc1 Rc8 15.Qe2=; 10.Ng5 Nbd7 11.0-0 Nb6 12.d3 Bg4 13.Qc2 a4 14.Nce4 Nc4 15.dc4=; 10.Qb3 Nbd7 11.Ng5 Qe7 12.b6 h6 13.Nge4 Ne4 14.Ne4 a4 15.Qd3=+) 10...Nbd7 11.Na4 b6 12.0-0 Bb7 13.Qe2 Qe7 14.Nc3 Rad8 15.Rac1=; B) 9...Nbd7 10.d4 (10.0-0 e5 11.d3 Nb6 12.Bb3 Bg4 13.h3 Bf5 14.Rc1 Rc8 15.Qe2=) 10...Qe7 11.0-0 Rd8 12.dc5 Bc5 13.Qe2 Nb6 14.Bd3 e5 15.Ne4=.

8.Nc3 Re8 9.Qb3 d4 (9...Bf8 10.Qc2 d4 11.Ne4 Ne4 12.Qe4 f5 13.Qc2 e5 14.e4 fe4 15.Qe4=; 9...Nbd7 10.Be2 (10.Rc1 Nb6 11.Na4 Na4 12.Qa4 e5 13.cd5 e4 14.Ng5 Bf5 15.f3=+; 10.cd5 a4 11.Qc2 ed5 12.Na4 d4 13.b6 Ra5 14.Bc4 Nb6 15.Nb6=) 10...dc4 11.Qc4 e5 12.d3 Nb6 13.Qh4 Qd7 14.Ng5 h6 15.Nge4=; 9...e5 10.Nd5 (10.cd5 e4 11.Ng1 Bf5 12.d3 ed3 13.Rd1 Nbd7 14.Na4 Be4 15.Nf3=+) 10...Nd5 11.cd5 e4 12.Ng1 a4 13.Qc4 Nd7 14.d3 Nb6 15.Qc2=+; 9...Bc7 10.Rd1 (10.Qc2 b6 11.Be2 Bd6 12.0-0 Nbd7 13.Rfd1 Qc7 14.cd5 ed5 15.Rac1=; 10.Be2 Qd6 11.0-0 Nbd7 12.Qc2 e5 13.e4 d4 14.Nd5 Nd5 15.cd5=) 10...Qd6 11.d4 cd4 12.Nd4 e5 13.Nf3 d4 14.Be2 Bg4 15.ed4+=) 10.ed4 cd4 11.Na4 Nbd7 (11...e5 12.c5 Be6 13.Bc4 Bc4 14.Qc4 Bf8 15.0-0=) 12.Bd4 (12.Nd4 e5 13.Nf5 Nc5 14.Nc5 Bc5 15.Qf3=) 12...e5 13.Be3 (13.Bb2 Nc5 14.Nc5 Bc5 15.Be2=) 13...Ng4 (13...e4 14.Ng5 Re7 15.c5+=) 14.h3 (14.Qd3 Qf6 15.Qc3=) 14...Ne3 15.de3 Nc5 16.Nc5 Bc5 17.Qb2 a4 18.Be2 (worse 18.Ne5 Qf6 19.f4 Be3–+) 18...e4 19.Nd4 Qg5 20.g3 Rd8 21.h4 (21.Qc3 Qf6 22.Rd1 Qe7=+) 21...Qe5 22.Rd1 Bd7 (22...Qe7 23.Ra1=) 23.0-0 (23.h5 h6=) 23...Bh3 24.Rfe1 Rac8 25.Kh2 Bd7 26.Rd2 Qf6 27.Kg2 Bf8 (27...Qe7 28.Ra1=) 28.Qc1 (28.Red1 Bd6+=) 28...Qg6 (28...Bd6 29.Qc2 Bh3 30.Kg1 (30.Kh3 Qf2 31.Nf5 Qf5 32.Bg4 Qe5 33.Rd6 Qd6=+) 30...Ba3 31.Ra1= (worse 31.Qe4 Bb4 32.Red1 Bd2 33.Rd2 Qb6=+; worse 31.Qa4 Bc5=)) 29.Qd1 (29.h5 Qg5+=) 29...Ra8 30.Nc6 (30.Qa1 Bg4=) 30...Bh3+= 31.Kh3 Rd2 32.Qd2 bc6 33.Qc2 (33.Qc3 Qd6=) 33...Qf5 (33...Qe6 34.Kg2 Bc5+=) 34.Kg2+= Ba3 (34...Qe6 35.b6+=) 35.Ra1 Bc5 36.Ra4 Rc8 37.Qb1 (37.Qa2 cb5 38.cb5 Bd6+–) 37...h6 38.b6 Rb8 39.b7 Bd6 (39...Qe5 40.Ra8+–) 40.Ra8 (40.Ra6 Qe5 41.Rc6 Bc7+–) 40...Qe5 41.Qb6 Qe8 42.c5 (42.c5 Be5 43.Bg4 Ra8 44.ba8R Qa8 45.Bd7+–) 1–0. Dammer,Axel (2400) – Kaltschmidt,Andreas (2210), RSX7E – A00 – Sokolsky–2, 2009.

8.Nc3 Re8 9.d3 A) 9...Qc7 10.Qb3 (10.Qc2 Nbd7 11.Be2 b6 12.cd5 ed5 13.d4 Bb7 14.a4 Rac8 15.Rc1=+; 10.Be2 Nbd7 11.Qb3 Nb6 12.0-0 a4 13.Qc2 d4 14.Ne4 Ne4 15.de4=+) 10...dc4 11.dc4 e5 12.e4 Bg4 13.Nd5 Nd5 14.cd5 a4 15.Qe3=; B) 9...Bc7 10.Be2 d4 11.Na4 de3 12.fe3 Nbd7 13.0-0 e5 14.Nc3 Ng4 15.Qd2+=; C) 9...dc4 10.dc4 (10.Ne4 c3 11.Bc3 e5 12.Be2 a4 13.Qc2 Nd5 14.Bb2 b6 15.0-0=) 10...e5 11.e4 Bg4 12.Qd3 Bc7 13.Nd5 Nbd7 14.Be2 Nd5 15.cd5=; D) 9...Qe7 10.Qc2 (10.Be2 dc4 11.Ne4 cd3 12.Bf6 gf6 13.Qd3 Bc7 14.Qc3 Nd7 15.Rd1=; 10.Qa4 Nbd7 11.Be2 Nb6 12.Qc2 e5 13.cd5 Nbd5 14.Ne4 Bd7 15.Rb1=; 10.Qd2 Rd8 11.cd5 ed5 12.Be2 Be6 13.0-0 Nbd7 14.Rfc1 Rac8 15.Qc2=; 10.d4 cd4 11.Qd4 e5 12.Qd2 dc4 13.Bc4 Be6 14.Be6 Qe6 15.Rd1=) 10...dc4 11.dc4 e5 12.e4 Bg4 13.Be2 Nbd7 14.0-0 Nb6 15.Nd5=.

8.Nc3 Re8 9.d4 cd4 10.Qd4 (10.ed4 b6 11.Bd3 dc4 12.Bc4 Nd5 13.0-0 Nc3 14.Bc3 Bb7 15.d5=+; 10.Nd4 e5 11.Nc2 dc4 12.Bc4 Qc7 13.Qe2 Nbd7 14.Rd1 e4 15.Nd5=+) 10...e5 11.Qh4 d4 12.Nd5 Nbd7 13.Be2 Nd5 14.Qd8 Rd8 15.cd5=.

8.d4 Nbd7 9.Nbd2 b6 10.Bd3 Re8 (10...cd4 11.Nd4 (11.Bd4? e5–+) 11...Ne5 12.Qb1=) 11.0-0 e5 (11...cd4 12.Nd4 (12.Bd4? e5–+) 12...Nc5 13.Nc6=) 12.de5 Ne5 13.Ne5 Be5 14.Be5 Re5 15.Qc2 Bb7 16.Rfd1 Qe7 17.cd5 Bd5 18.Nc4 (18.Rac1 Re8=) 18...Rh5 19.Nb6 Bg2 (19...Qd6 20.Na8 Qh2 21.Kf1 Qg2 22.Ke2 Bf3 23.Kd2 Qf2 24.Kc3 Qe3 25.Kb2 Qd4 26.Ka2 Qd5 27.Bc4 Bd1 28.Rd1 Qa8 29.Qb3 Qg2 30.Ka1–+) 20.Na8 (20.Kg2?! Qb7 21.Kg1 Qb6=) 20...Ba8 21.Be2 (21.Rac1 Ng4 22.Be4 Rg5+–) 21...Rg5 22.Kf1 Bg2 (22...Rg2 23.Qf5 Rh2 24.Bf3 Bf3 25.Qf3+–) 23.Ke1 g6 (23...Bd5 24.b6+–) 24.Qd2 (24.Rac1 Be4 25.Qd2 Rg1 26.Bf1 Ng4 27.Qd8 Qd8 28.Rd8 Kg7+–) 24...Kg7 (24...Bd5 25.Rac1 Rg1 26.Bf1+=) 25.h4 (25.Qa5 Bd5 26.Bf1 Rg1+–) 25...Ne4 26.Qb2 (26.hg5?! Nd2 27.Rd2 Qg5=+; 26.Qa5 Qf6 27.Rd2 Rf5–+ (27...Qf2 28.Kd1 Rg3 29.Kc1–+)) 26...Re5 27.Rd5 Qh4 (better 27...f6 28.Re5 fe5+–) 28.Qe5 Kh6 (28...Kg8 29.Bc4 Qf2 30.Kd1 Bf3 31.Kc1 Qg1 32.Kb2 Qf2 33.Kb3 Qe3 34.Bd3 c4 35.Kc4 Nd6 36.Qd6 Bd5 37.Qd5 Qf4 38.Kb3 a4 39.Kc3 Qf6 40.Qd4 Qe7+–) 29.Qf4 Qf4 30.ef4 1–0. Fournier,Frederic (2585) – Fillidor (2105), Active, 2004.

8.Qc2 c5 9.Be2 dc4 10.Bc4 Nb6 11.Bd3 Bd7 12.Bf6 Qf6 13.Nc3 Qh6 14.Ne4 Be7 15.Ne5 (15.Nc5? Rac8 16.Bh7 Qh7 17.Qh7 Kh7 18.Nd7 Nd7–+) 15...f5 16.Ng3 Bd6 17.Nd7 Nd7 18.0-0 Bg3 19.fg3 Rad8 20.Bc4 Ne5 21.Ba2 c4 22.Qc3 Qf6 23.Qa5 b6 (23...Rd3 24.Rac1=) 24.Qb6 (24.Qb4 Rc8=) 24...Rd2 25.e4 Nd7 26.Qc6 Qb2 27.ef5 (27.Bc4?? Rg2 28.Kh1 Rh2 29.Kg1 Qg2; 27.Qe6 Kh8 28.Rf2 Rf2 29.Qh6 Rg2 30.Kh1 gh6 31.Bc4 Rh2 32.Kg1 Qf2) 27...Ne5 28.Qe4 (28.Qb7 Ng4 29.h4 Qd4 30.Kh1 Rf2–+) 28...Re2 29.Rfb1?? (29.Qb7 Ng4 30.Kh1 Nf2 31.Kg1–+) 29...Qd2–+ (29...Re4? 30.Rb2 ef5 31.Rf1+–) 30.Rd1 (30.Qe2 Qe2 31.Kh1 Rf5–+) 30...Qd1!! (30...Re4? 31.Rd2 ef5 32.Rf1+–) 31.Rd1 Re4 32.fe6 Re2 0–1. Trkn – guest2406, ICC, 2004.

8.Qc2 Qe7 9.d4 c5 10.bc6 bc6 11.Nc3 h6 (11...e5 12.cd5 cd5 13.Nb5=) 12.h3 Rb8 13.c5 Bc7 14.Be2 e5 15.0-0 e4 16.Nd2 Nh7 17.Rab1 Qg5 18.Ba1 Ndf6 19.Rb8 Bh3 White resigned (19...Bh3 20.Rf8 Nf8–+; 19...Bb8?! 20.g4 h5 21.Rb1-/+) 0–1. marekt – eliskases, ChessWorld.net, 2012.

8.Nc3 Nb6 9.cd5 ed5 10.Qc2 Re8 11.h3 Ne4 (11...c5 12.bc6 bc6 13.Rb1=+) 12.Bd3= Qe7 (12...Bf5 13.0-0=) 13.0-0 Qe6 14.Ne2 (14.Nd4 Qe5 15.f4 Qe7=) 14...Qg6 (14...Qh6 15.a4 Bh3–+) 15.Ne1 (15.Nf4 Bf4 16.ef4 c5 17.bc6 bc6+=) 15...Bf5 (15...Bh3!? 16.Nf4 Bf4 17.ef4 Bf5 18.Qc7 Nc4 19.Bc4 dc4-/+) 16.f3=+ Ng3 17.Ng3 Bd3 18.Qd3 Bg3 (18...Qg3 19.f4=) 19.Qg6 hg6 20.Nc2 (20.Nd3 Bd6 21.Bc3 Nc4=) 20...Nc4 (20...Rad8 21.Bd4=+) 21.Bc3 a4 (21...g5 22.a4=+) 22.f4= Rad8 23.Rab1 Bh4 24.f5 gf5 (24...Be7 25.fg6 fg6 26.Rf2=+) 25.Rf5 (25.Rb4 g6=) 25...Be7=+ 26.Rf4 Bf8 (26...Bd6 27.Rg4 g6 28.Kf2=) 27.Kf2= Re4 (worse 27...Ba3 28.Rc4 dc4 29.Na3+–) 28.Bb4 Bb4 29.Rb4 Nd2 30.Ra4 Re6 (30...Re5 31.g4=) 31.Ra7 Ne4 32.Ke2 (32.Kg1 Nd6=) 32...Rb6 33.a4 g5 34.Rf3 c6 35.Nd4 cb5 36.a5 Ra6 37.Rb7 Attacking the backward pawn on f7 37...Nd6 38.Rc7 Ra5 39.Nf5 Ra2 40.Ke1 g4 (40...Ne8 41.Nh6 Kg7 42.Rff7 Kh6 43.Rc6 Rd6 44.Rd6 Nd6 45.Rf6 Kh5 46.Rd6 Rg2 47.Rd5=) 41.hg4 Nf5 (41...Rg2 42.Nd6 Rd6 43.Rff7 Rg4 44.Rfd7 Rd7 45.Rd7 Rg1 46.Kd2 Rg2 47.Kc3 b4 48.Kb3=) 42.Rf5 Rg2 43.Rff7 Rg4 44.Rfd7 ½–½. Domingo,Jordi (2065) – Markus,Roland (2115), FICGS, 2010.

8.d4 b6 9.Nc3 Bb7 10.Be2 Re8 11.0-0 Qe7 12.a4 Rad8 13.Rc1 h6 14.cd5 ed5 15.Nh4 g6 16.g3 Nf8 17.Ng2 N8h7 18.Nf4 g5 19.Nd3 Qe6 20.Kg2 Bc8 21.Rh1 Ne4 22.h4 Nhf6 (22...g4 23.Ne5 Be5 24.de5 Qe5 25.Bg4 Nf2 26.Kf2=) 23.Ne4 (better is 23.hg5!? hg5 24.Ne5+/–) 23...de4+= (worse is 23...Qe4 24.Bf3 Qf5 25.hg5 hg5 26.Ne5+=; worse is 23...Ne4 24.hg5 hg5 25.Ne5+/–) 24.Ne1 Bb7 (24...g4 25.Bc4 Qf5 26.Qb3+=) 25.Bc4 Bd5 26.Qb3 Qf5 (26...g4 27.Rf1+=) 27.Bd5 Qd5 28.Qd5 Nd5 29.Nc2 Rd7 (29...g4!?+=) 30.hg5+= hg5 31.Rh5 Be7 32.Na3 Nb4 33.Rch1 Bf6 34.Nc4 Nd3 35.Bc3 Kf8 36.Kf1 (36.f3 Re6+=) 36...Rd5 (36...Re6!?=) 37.Ke2+/– Rf5 38.R5h2 Ke7 (better is 38...Re6!?+/–) 39.Nd2+– Nb4 40.Ne4 1–0. Golja,Radovan (2080) – Vidic,Miha (1770), Lucija Domen op 1st, 2006.

8.d4 dc4 9.Bc4 Qe7 10.0-0 e5 11.Re1 e4 12.Nfd2 Nb6 13.Be2 Nfd5=+ 14.Bg4 f5 15.Be2=+ Kh8 16.f4?? Ne3–+ 17.Qb3 Bf4 18.Nf1 a4 19.Qc3 Nbd5 (20.Qc5 Qc5 21.dc5 Nc2–+) 0–1. Costa,F – Granero,A, Autonomico, 1995.

8.d4 dc4 9.Bc4 Qe7 10.Nbd2 e5 11.de5 Ne5 12.0-0 Nf3 13.Nf3 Bf5 14.Qb3 a4 15.Qc3 Rfe8 16.Rfd1 Qd7 17.b6 cb6 18.Qd4 Red8 19.Qb6 Qe7 20.h3 ½–½. Fua,Ni – Svrsek,Radomir (2205), 3rd Webchess Open Tournament prel., 2008. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 a5 5.b5 Bd6 6.e3 0-0 7.c4 Nbd7)

8.d4 Re8 9.c5+= Bf8 10.Be2 c6 11.b6 e5 12.de5 (better is 12.0-0!?=) 12...Ne4-/+ 13.0-0 Bc5 14.Bd4 Bb6 15.Nfd2 (15.Bd3 Bc7-/+) 15...Nd2–+ 16.Nd2 Ne5 17.f4 (better is 17.Be5 Re5 18.Qc2–+) 17...Nd7 18.g4 (18.Nf3 c5 19.Be5 Ne5 20.fe5 c4–+) 18…c5 (18...c5 19.Bb2 c4–+; 18...Re3?! 19.Be3 Be3 20.Kh1–+) 0–1. Popp,Tony – Van Empel,Fred, IECG, 1997. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 a5 5.b5 Bd6 6.e3 0-0 7.c4 Nbd7)

8.Be2 dc4 9.Bc4 e5 10.d3 Nb6 (10...Qe8 11.Nbd2+=) 11.Nbd2 (11.Be5!? Be5 12.Ne5 Nc4 13.dc4+=) 11...Qe7 12.0-0 Bf5 13.e4 Bg4 (worse is 13...Nc4 14.Nc4 Bd7 15.a4+/– (15.Nce5?! Bb5 16.Qb3 Ba6=)) 14.Ba2 Rac8 (14...Ba3?? 15.Ba3 Qd8 16.Bf8 Qf8 17.Qc2+–) 15.h3 Bh5 16.d4 Nfd7 (16...Ba3?? 17.Ba3 Bf3 18.Nf3+– (worse is 18.Be7 Bd1 19.Rfd1 Rfe8 20.Bf6 gf6+–; worse is 18.gf3 Qe8+–)) 17.Qb3 Rcd8 18.de5 Ne5 19.Nd4 Bg6 20.Rac1 Nbd7 21.f4 Nc5 22.Qg3 Ned3 23.Nf5 Qd7 24.Bg7 Rfe8 (worse is 24...Bf5 25.ef5 Qf5 26.Bf8 Kf8 27.Qh4+/–) 25.Ba1 Nc1 26.Rc1 Nd3 (26...Qb5 27.Qg5 Be5 28.Be5+–) 27.Qg5 Be7 (27...Nc1 28.Qf6 Ne2 29.Kh1 Ng3 30.Kh2 Be5 31.Be5 Nf1 32.Nf1 Re5 33.Qg7) 28.Bf7 Kf7 29.Ne7 Qd6 (29...Qe7?? 30.Rc7! Qc7 31.Qf6 Kg8 32.Qh8 Kf7 33.Qg7 Ke6 34.Qc7 Nf4 35.Qf4+–) 30.Nf5?? (better is 30.Ng6 Nc1 31.Nh8 Rh8 32.Qg7 Ke8 33.Qh8 Kd7 34.Qh7 Kc8 35.Qf5 Kb8 36.Nf3+=) 30...Qb6+= 31.Kh2 Nc1 32.Nc4 Qe6 33.Ne5 Kg8 34.Ng4 h5 35.Qh6 Rd7 36.Qh8 1–0. rickdragon (2560) – bigart (2420), net–chess.com, 2013.

8.Be2 dc4 9.Bc4 e5 10.h3 e4 11.Nd4 Ne5 12.Be2 Nfd7 13.Nf5 (13.Qc2!? Nc5 14.0-0-/+) 13...Nc5 14.0-0?? (better is 14.Nd6 Ned3 15.Kf1 Nb2 16.Qc2 Qd6 17.Qb2-/+) 14…Bf5–+ 0–1. Rush,Bradley – Potemri,Stefan (1690), 44. LSS No Engine Cup Preliminary, 2011.

9.Nc3 Qe7 10.cd5 ed5 11.dc5 Nc5 12.Nd5 Nd5 13.Qd5 Be6 14.Qd4 f6 15.Bc4 Rac8 16.Rd1 Rfd8 17.Qh4 Qf7 18.Be6 Ne6 19.0-0 Rc2 20.Rb1 Nc5 21.Bd4 Rc4 22.Rfd1 Ne6 23.Ra1 Bc5 24.Qe4 Qd7 25.Rd2 Nd4 26.ed4+/– Bf8 27.a4 Re8 28.Qd3 Rec8 29.Qb3 Qf7 30.Qe3 Bb4 31.Rdd1 Re8 32.Qd3 Rc3 33.Qf5 Rec8 34.Nd2 g6 35.Qf4 f5 36.Nf3 Rc2 37.Rdc1 Qa2 38.h3 Qb2 39.Rcb1 Qc3 40.Rd1 Re8 41.h4 Ree2 42.Qb8 Bf8 43.Qb7 Rf2 44.Kh1 Rg2= 45.Rac1 ½–½. Sternik,Ryszard (1765) – Cirulis,Ilmars (1775), FICGS, 2008.

9.bc6 bc6 10.c5 Bc7 11.Qc2 e5 12.de5 Ng4 13.Nbd2 Qe7 (worse is 13...Be5 14.h3 (14.Ne5?! Nge5 15.Be2 Ba6=) 14...Ne3 15.fe3 Bb2 16.Qb2+/–; 13...Nge5?! 14.Be2=) 14.Rb1 Rb8 (worse is 14...Nc5 15.h3 Nh6 16.Bd4+/–; worse is 14...Qc5 15.Qc5 Nc5 16.h3+/–) 15.Nd4 Nde5 16.h3 Qh4 17.g3 Qh6 18.Be2 Re8 19.e4 Nf6 20.f4 Neg4 21.e5 (worse is 21.Bg4 Ng4 22.Ke2 Nf6+=) 21...Ne5 22.fe5 Be5 23.Nc6 Bg3 24.Kd1 Re2 25.Ke2 Qh5 26.Kf1 Ba6 27.Kg1 Qe2 28.Rf1? Ne4–+ 29.Ne7 Kf8 30.Bg7 Ke7 31.Qd1 Qe3 32.Kg2 Be2 33.Ne4 Qe4 34.Kg3 Bd1 35.Re1 Be2 36.Re2 Qe2 37.Kh4 Qe4 (37...Qe4 38.Kg3 Rb3 39.Bc3 Rc3 40.Kh2 Rc2 41.Kg3 Rg2) 0–1. Fournier,Frederic (2165) – Frizzt8(C) (2250), Active, 2007.

9.Nbd2 cd4 10.Nd4 Nb6 11.cd5 Nbd5 12.N4f3=.

9.Nbd2 cd4 10.Nd4 Nc5 11.cd5 e5 (11...Nd5 12.Nc4=) 12.N4f3+= e4 13.Ng5 Re8 (worse 13...Nd5 14.Nde4 Ne4 15.Ne4+–) 14.Rc1 h6 (14...Nd5?? 15.Qh5 Be6 16.Qh7 Kf8 17.Qg7 Ke7 18.Rc5 Bc5 19.Ne6+–) 15.Rc5 Bc5 16.Bf6 Qf6 (worse 16...gf6 17.Nge4 Be7 18.Qb3+=) 17.Nge4 Qe7 18.Nc5 Qc5 19.Bc4 (19.Nc4 Bf5=+ (worse 19...Qb5 20.Nd6 Qd7 21.Ne8 Qe8 22.Bd3+–)) 19...Qa3-/+ 20.0-0 a4 21.Qf3 Qb4 22.d6 (22.Rd1!?-/+) 22...Be6 23.Be6 fe6 24.Ne4 Qb5 25.Qg3 Red8 26.Qg4 0–1. Adlai – Sulky, internet, 2019.

9.Nbd2 cd4 10.Nd4 e5 11.Nf5 Bb8 12.g4 (12.cd5!? Nb6 13.Qc2=) 12...Nc5=+ 13.Rg1 d4 14.Qf3 Na4 15.Rb1 (15.Bc1 Nc3=+) 15...Nb2 (15...Ba7 16.Ba1=+) 16.Rb2 Ba7 (16...Nd7 17.Ne4=+) 17.g5 Bf5 (17...Ne8 18.Bh3=+) 18.Qf5 (18.gf6 Qf6 19.e4 Bg6 20.Qf6 gf6+=) 18...Nd7=+ 19.Rg3 (19.Bd3 g6 20.Qf3 Qe7=+) 19...Qe7 20.Ne4 Qa3 21.Bd3? (better 21.Rd2 Rfd8 22.ed4=+) 21...g6–+ 22.Qd7 Qb2 (22...Qd3?! 23.Qd5 Qa3 24.Rb1=+) 23.Nf6 (better 23.Rh3 h5 24.Qb7 de3 25.fe3–+) 23...Kh8?? (better 23...Kg7 24.Qb7 Qc3 25.Ke2 de3 26.fe3 Rfd8–+) 24.Rh3+– Qa1? (24...h5 25.Nh5 Qc3 26.Ke2 gh5 27.Rh5 Kg8+–) 25.Ke2 Qa2 26.Kf1 h5 (26...Qf2 27.Kf2 de3 28.Ke1 h5 29.Rh5 gh5 30.Qf5 a4 31.Qh7) 27.Rh5! gh5 (27...gh5 28.Qf5 Mate attack) 28.Qf5 Qa1 (28...Qf2 29.Kf2 de3 30.Ke2 a4 31.Qh7) 29.Kg2 Qh1 (29...Qg1 30.Kg1 de3 31.Qh7) 30.Kh1 de3 31.Qh7 1–0. Janek – Elodium, internet, 2017.

9.Nbd2 Qe7 10.cd5 ed5 11.dc5 Nc5 12.Be2 h6 13.0-0 Bf5 14.Nd4 Bh7 15.a4 Nd3 16.Qb3 Nb2 17.Qb2 Rac8 18.g3 Bb4 19.Rfc1 Ba3?? (better 19...Rc1 20.Qc1 Bg6=+) 20.Ra3+– Qb4 (20...Be4 21.Rac3 Qd7 22.N2b3+–) 21.Rb3 Rc1 22.Qc1 Qa4 (22...Qd6 23.Rc3+–) 23.b6 (better 23.f3 g5 24.Bd1 Kg7+–) 23...Qd7 24.Bb5 Qd6 25.Qa3 Qb6 26.Bc6 Qc7 27.Rb7 Qe5 28.Bb5 Ra8 29.Nc6 Qe6 30.Nf3 Be4 (30...Bg6 31.Ne7 Kh8 32.Nd4+–) 31.Nfd4 Qg4 32.Qc1 Qh5 (32...Bg6 33.Be2 Qh3 34.Ne7 Kh8 35.Ng6 fg6 36.Qc7+–) 33.h4 Qg4 34.Kh2 Kh8 35.f3 Qc8 (35...Bf3 36.Ne5 Qe4 37.Nef3+–) 36.Rf7 (36.fe4?! Qb7 37.ed5 a4+=) 36...Bg6 37.Re7 Bh5 38.Qa1 Be8 39.Qa3 Ng8 40.Re5 Bf7 41.Kg2 Qd7 (41...Qc7 42.g4+–) 42.Nf5 a4 (42...Rb8 43.g4 Bg6 44.Qa5+–) 43.Nd6 Qc7 44.h5 d4 (44...Rc8 45.Nc8 Qc8 46.Qa4+–) 45.ed4 Bb3 (45...Ba2 46.Re8 Qd6 47.Rg8 (47.Qa2?! Re8 48.Qa4 Qc7+–) 47...Kg8 48.Qd6 Bb1 49.Nd8 Bf5 50.Qd5 Be6 51.Qe6 Kh8 52.Qe8 Kh7 53.Bd3 g6 54.Qg6 Kh8 55.Qh7) 46.d5 Nf6 (46...Rf8 47.Nf5 Rc8 48.Nfe7+–) 47.Re7 Qb6 48.Re6 Ne4 49.Re4 Bc4 50.Re8 Re8 51.Ne8 (51.Nc4?! Qb5 52.Qd3 a3+–) 51...Bf1 (51...Kh7 52.Qe7 Bf1 53.Kh1 Bg2 54.Kg2 Qg1 55.Kg1 a3 56.Qg7) 52.Kh1 Kg8 (52...Qc5 53.Qc5 Kg8 54.Qe7 Bg2 55.Kg2 a3 56.Qg7) 53.Qe7 Qb7 (53...Qc7 54.Qc7 Bg2 55.Kg2 Kf8 56.Qg7 Ke8 57.Qe7) 54.Qb7 (54.Qb7 Bg2 55.Kg2 Kf8 56.Qg7 Ke8 57.Qe7) 1–0. Pierre – Stilren, internet, 2019.

9.cd5 ed5 10.dc5 Nc5 11.Be2 =.

8.0-0 e5 9.d3 Qe7 10.a4 Rd8 11.c4 dc4 12.dc4 Nc5 13.Nc3 e4 14.Nd4 Qe5 15.g3 Bh3 16.Re1 Qg5 17.Bf1 (17.Qc2 Rd7-/+) 17...Bf1-/+ 18.Rf1 h5 (18...Rd7 19.Ba3-/+) 19.Nce2 (19.Ba3 h4 20.Qc2 hg3 21.hg3 Bg3 22.fg3 Qe3 23.Kh1 Qh6 (23...Qd4?! 24.Bc5 Qc5 25.Ne4 Qh5 26.Kg1–+) 24.Qh2 A) 24...Rd4 A1) 25.Bc5? Qh2 (25...Rc4 26.Qh6 gh6 27.Rf6+=) 26.Kh2 Rc4–+; A2) 25.Qh6 gh6 26.Bc5 Rc4 27.Rf6+=; B) 24...Qh2 25.Kh2 Rd4 26.Bc5 Rc4 27.Ne4 Ne4–+) 19...Nd3 20.Ba3 h4 21.Bd6 Rd6 22.c5 (22.Qd2 c5 23.bc6 bc6-/+) 22...hg3 (22...Nc5 23.Nf4–+) 23.Ng3 (23.cd6!? gf2 24.Kh1-/+) 23...Nc5–+ 24.Qc2 Rd5 25.Kh1 Ng4 26.Ne4? (better is 26.Rg1–+) 26...Qh4 27.f3 (27.Kg2 Qh2 28.Kf3 Qh3 29.Ke2–+) 27...Ne3 28.Qe2 (28.Qf2 Qf2 29.Rf2 Ne4 30.Re2 Rd4 31.Re3–+) 28...Nf1 29.Rf1 Ne4 30.fe4 Rd4 31.Re1 (31.e5–+) 31...Rad8 32.Kg2 Rd2 (32...Rd2 33.Rc1 Re2 34.Kf3 Qe4 35.Kg3 Rd3) 0–1. Neumann,Frank – Mueller_Toepler,Michael (2035), corr EU/WS/O/001 ICCF, 2008.

8.0-0 e5 9.d4 e4 10.Nfd2 Nb6 11.c4 dc4 12.Nc3 Bf5 13.Qc2 Rc8 14.Nc4 (14.Nde4? Ne4 15.Ne4 Qh4–+; 14.Nce4? Ne4 15.Ne4 Qh4–+) 14...Nc4 15.Bc4 Bh2?? (better 15...c6=) 16.Kh2+– Ng4 17.Kg1 Qh4 18.Rfe1 (18.Rfb1 Qh2 19.Kf1 Qh1 20.Ke2 Qg2+–) 18...c6 (18...Qh2 19.Kf1 Qh1 20.Ke2 Qg2+=) 19.Rab1 (19.bc6 Rc6 20.Bb5+=) 19...cb5 20.Bb5 Rfd8 21.Ba1 (21.Rec1 Qh2 22.Kf1 Qh1 23.Ke2 Qg2–+) 21...Rd6 (better 21...Qh2!? 22.Kf1 Qh1 23.Ke2 Qg2=+) 22.Rb3?? (better 22.Rec1+=) 22…Nh2 (22...Nh2 23.Rc1 Rg6–+) 0–1. Hilbert,Stephan J – Fric,Lubos (2265), FICGS, 2017.

8.0-0 e5 9.d4 e4 10.Ne5 Qe7 11.Nd7 Qd7 12.a4 Qf5 13.Ba3 Qg5 14.Bd6 cd6 15.Kh1 Be6 16.Qd2 Rfc8 17.Nc3 b6 18.Bd1 Rc7 19.Ne2 Qh4 20.Kg1 Rac8 21.c3 Bg4 22.h3 Bh5 23.Rc1 Qg5 24.Kh1 h6 25.Qb2 Be2 26.Be2 Qf5 27.Kg1 Qe6 28.Qb3 Kh7 29.Rc2 Ng8 30.Rfc1 Ne7 31.Qa2 g6 32.Bg4 f5 33.Be2 g5 34.c4 dc4 35.Bc4 d5 36.Bb3 Rc2 37.Rc2 Rc2 38.Qc2 Qd6 39.Qe2 Kg7 40.Qh5 Qg6 41.Qg6 Kg6 42.g4 h5 43.gf5 Kf5 44.Bd1 Kg6 ½–½. Degterev,Pavel (2260) – Tavani,Alberto (2260), CP–2008–Q–00004, 2010.

8.0-0 Qe7 9.d4 e5 (9...Nb6 10.Nbd2=) 10.c4 c6 (10...e4 11.Nfd2 c5 12.cd5 Nd5 13.Nc4=) 11.c5 Bb8 12.a4 ed4 13.ed4 Bf4 14.Re1 Ne4 15.Bd3 Ndf6 16.g3 Bh6 17.Nfd2 (better is 17.Ne5+=) 17...Bh3? (better is 17...Qd7+=) 18.f3+– cb5 (18...Bf5 19.fe4 de4 20.Nc3+–) 19.Bb5 (19.fe4 Bg4 20.Qc2 b4+–) 19...Bf5 20.Nf1 (20.fe4 de4 21.Nc4 Rfd8+–) 20...Qc7 21.fe4 de4 22.Ne3 Bh3 (22...Be3 23.Re3 b6 24.Qf1+–) 23.Nd2 Rfd8 24.Qc2 Be3 25.Re3 Nd5 26.Ree1 f5 27.Nf1 Kh8 28.Ne3 Ne3 29.Re3 Rac8 30.Qc4 Bg4 31.Rf1 Bf3 32.Bc1 b6 33.c6 Qd6 34.Bb2 f4 35.Ref3 ef3 36.Rf3 fg3 37.hg3 Qe7 38.Qf7 Qe4 39.Kg2 Qb1? 40.Rf2 Qe4 41.Kh2 Rg8 42.d5 Qe3 43.Qf5 Rce8 44.Kg2 Qh6 45.Be5 Qe3 46.Bd3 Qh6 47.Rf4 Re5 48.Qe5 Ra8 49.c7 Rg8 50.d6 b5 51.d7 Qc6 52.Qe4 Qe4 53.Be4 h6 54.Rf7 ba4 55.c8Q h5 56.d8Q Rd8 57.Qd8# 1–0. Buss,Michael – Hendrix, corr USCF, 1991. (=1.Nf3 d5 2.b4 e6 3.a3 Nf6 4.e3 a5 5.b5 Bd6 6.Bb2 0-0 7.Be2 Nbd7)

8.0-0 Re8 9.d3 Nc5 (9...c6 10.c4=) 10.Be5 Ng4 (10...Be5 11.Ne5 Nfd7 12.d4=) 11.Bd6 Qd6 12.c4 Bd7 (12...e5 13.cd5 Qd5 14.Nc3+=) 13.Nc3 (13.d4 Ne4+=) 13...Rad8 (13...dc4 14.dc4 Qe7 15.Na4=) 14.h3 Nf6 15.d4 Nce4 16.Ne4 Ne4 17.Bd3 f5 (17...Rf8 18.Qc2+/–) 18.c5 Qe7 19.Ne5 Rf8 20.c6 (20.Qe1 Ra8+/–) 20...bc6 21.bc6 Bc8 (21...Be8!?+/–) 22.Qa4+– Qg5 Black prepares f4 (22...f4 23.Qa5 fe3 24.fe3+–) 23.Qa5 f4 24.ef4 Qf4 25.Qc7 (25.Ra2 Qh4+–) 25...Nf2? (better is 25...Nd2 26.Qb6 Nf1 27.Rf1 Rde8+–) 26.Ra2+– Qd4 27.Rff2 Rf2 28.Rf2 Rf8 29.Ng4 h5 (29...Qc5+–) 30.Qe7 Rf4 (30...Qa1 31.Kh2 Rf2 32.Nf2 g5 33.Qe8 Kg7 34.Qc8 g4 35.Qd7 Kf6+–) 31.Qe8 Rf8 32.Qf8 1–0. Janek – Mezemis, internet, 2017.

8.c4 dc4 9.Bc4 e5 10.Qc2 e4 11.Nd4 Nc5 12.Nc3 Re8 13.f3 Be5 14.Nb3 (better is 14.Nce2!?=) 14...Nd3-/+ 15.Bd3 ed3 (worse is 15...Qd3 16.Qd3 ed3 17.Nc5+=) 16.Qb1 Qd6 17.f4? (better is 17.Na4-/+) 17...Bf4–+ 18.0-0 (18.h3 a4 19.Nc1 Be3 20.de3 Qg3 21.Kd1 Re3 22.Rf1–+) 18...Bh2 19.Kh1 Ng4 (19...Bg3 20.Nd1 Qd5 21.Be5 Qe5 22.Rf2 Qh5 23.Kg1 Qh2 24.Kf1 Qh1) 20.Nd4 Qh6 21.Nf3 Bg3 22.Kg1 Ne5 (22...Ne5 23.Qd3 Nd3–+) 0–1. Thomsen,Jesper – Runarsson,Gunnar Freyr (2145), DEN–ISL, 2012.

8.c4 dc4 9.Bc4 Qe7 10.0-0 e5 11.d3 Nb6 Black plans a4 12.Nbd2 a4 (worse is 12...Nc4 13.Nc4 Nd7 14.Rc1+=) 13.Re1 Bg4 (worse is 13...Nc4 14.Nc4 Bd7 15.Nfe5 Bb5 16.Rc1+=) 14.h3 Bh5 (worse is 14...Nc4 15.Nc4 Bf3 16.Qf3+=) 15.e4 Rfe8 16.Ba2 Ra5 17.Nc4 Pawn e5, live or die! 17...Rb5 18.Nd6 cd6 (18...Rb2 19.Ne8 Ne8 20.g4+/–; 18...Qd6?! 19.Rb1-/+) 19.Bc3 Rc5 20.Bb4 Rc6 21.g4 Bg6 22.Rb1 Nfd7 23.Ba5 h5 24.Rb2 hg4 25.hg4 ½–½. Benassi,Aspasio (2290) – Andersen,Jens (2195), corr WS/M/407 ICCF, 2012.

8.d3 e5 9.Nbd2 Qe7 10.0-0 e4 11.Ne1 Ne5 12.c4 ed3 13.Nd3 Nc4 14.Nc4 dc4 15.Nf4 Bf4 (15...Rd8 16.Qc2=+) 16.ef4= Be6 17.Rc1 Rfe8 18.Bc4 Rad8 19.Qc2 Bc4 20.Bf6 Qf6 (worse 20...gf6 21.Qc4 Qa3 22.Qc7+–) 21.Qc4 Rd7 ½–½. Trokenheim,Marek (1815) – Cirulis,Ilmars (1775), FICGS, 2008.

8.d3 e5 9.Nbd2 Qe7 10.Qc1 e4 (10...c6 11.bc6 bc6 12.Rb1=+) 11.Nd4 Nc5 (11...Ne5 12.0-0=+) 12.0-0 (12.de4 Nfe4 13.c4 Qg5=+) 12...Na4 13.de4 Ne4 14.c4 Nb2 15.Qb2 Nd2 16.Qd2 dc4 17.Qc3 a4 18.Bc4 Rd8 (18...Re8 19.Rfd1=) 19.Bd3 (19.Rfd1 Qe5 20.f4 Qc5=) 19...Qe5 (19...Be5 20.Rfd1=) 20.g3 Bh3 21.Rfe1 (21.Rfd1 Qd5 22.f3 Qg5=) 21...Re8 22.Qc2 Qd5 (22...h6 23.Be2=) 23.Bf1 (23.f3 Qh5+=) 23...Bf1= 24.Rf1 Qh5 25.Qd1 Qc5 26.Qg4 Re5 27.Rfd1 h5 28.Qf3 Qb6 29.Rd3 h4 30.Kg2 Be7 31.Rc1 Rd8 32.Rc4 Rb5 33.Rdc3 Rc5= 34.Nf5 Bf8 35.Rc5 Bc5 36.Rc4 hg3= 37.Qg3 g6 38.Nh6 Kg7 39.Qe5 f6 40.Qc5 Qc5=+ 41.Rc5 Kh6 42.Rc7 b5 ½–½. Schulz,Hans_Juergen – Baer,Werner, TT–19.30 ETC, 2005.

8.d4 Nb6 9.0-0 Bd7 10.a4 c6 11.Ne5 (11.Ba3 Ba3 12.Ra3 Ne4=) 11...Qc7=+ 12.Nd2 cb5 13.ab5 Rfc8 14.c4 dc4 15.Ndc4 Nc4 16.Bc4 Be5 17.de5 Qc4 18.ef6 Bb5 19.Re1 Bc6 20.Rc1 (20.fg7 a4=+) 20...Qe4 21.f3 Qd5 22.Qe2 gf6 23.Bf6 Qf5 24.Qb2 Qg6 25.e4 h6 26.g4 (26.Re3 Kh7=+) 26...Bb5 (26...b5 27.h4-/+) 27.h4 (27.Bc3 Bd3=+) 27...h5 (27...Bc6 28.h5 Qh7 29.g5=) 28.Kh2 Kh7 29.Rg1 Rc1 30.Rc1 hg4 31.Rc5 e5 32.Re5 Ra6 (32...Qf6?? 33.Rh5 Kg6 34.Rh6 Kh6 35.Qf6 Kh7 36.Qf7 Kh8 37.Qh5 Kg8 38.Qg4 Kf7 39.Qf5 Kg8 40.Qd5 Kh8 41.Qb7+–) 33.Qb5 (33.Rb5 Qf6 34.Qf6 Rf6 35.fg4 b6=) 33...Qf6 (33...Rf6? 34.Rh5 Kg7 35.Rg5 gf3 36.Kg1+–) 34.Rh5 ½–½. pereira – Apollo, internet, 2006.

8.d4 Qe7 9.c4 c6 (9...dc4 10.Qc2+=) 10.Nbd2 c5 11.dc5 Nc5 12.cd5 ed5 13.0-0 Nfe4 14.Nb3 (14.Rc1 Re8=) 14...Na4 15.Qd4 Nb2 16.Qb2 Be6 17.Nfd4 Rac8 (17...a4 18.Nc1+=) 18.Bd3 (18.Na5 Ra8 19.Nab3 Ba3=) 18...Qf6 (18...a4 19.Ne6 fe6 20.Be4 ab3 21.Bd3+=) 19.Nd2 (19.Na5 Nc5 20.Qd2 Qh6+=) 19...Nc5 (19...Rfe8 20.b6+=) 20.Be2 (20.Qb1 Nd3 21.Qd3 Rfe8=) 20...Qg6 21.g3 h5 22.N2f3 Qf6 23.Qd2 Bh3 24.Rfc1 a4 25.Qd1 Bg4 26.Nh4 Be2 27.Qe2 g6 28.Rf1 Nb3 29.Nb3 ab3 30.Qd3 b2 31.Rab1 Rc5 32.Kg2 Rfc8 33.Nf3 Be5 34.a4 Qd6 35.Nd4 Rc3 36.Qd2 Bd4 37.Qd4 R8c4 38.Qd2 Rc2+= 39.Qd3 Qe5 40.Qb3? Qe4–+ 41.Kg1 Rb4 42.Qa3?! Ra4 43.Qd6 d4 44.ed4 Rd4 45.Qb8? Kg7 46.Qa7 Rdd2 47.Qa3?? Qd4 48.Qf3 b6 49.Rbe1? Qc5 50.Rb1 Qb5 51.Qe3 Qc5 52.Qf4 Qd4 53.Qf3 Qd5 54.Qf4 Qd4 55.Qf3 Rd3 56.Qa8 b5 57.Qa2 b4 58.Qa4 Rdc3 59.Qa2 b3 60.Qa3 Rd3 61.Qe7 Rdd2 62.Qe1 Re2 63.Qd1 Rcd2 (63...Rcd2 64.Qe2 Re2–+) 0–1. Roy,Guy – Arsenault,Nicolas (2125), Montreal Bolduc–A 3rd, 2004.

7.c4 0-0 8.Be2 Nbd7 9.Nc3 b6 10.d3 Bb7 11.0-0 (11.cd5 Nd5 12.Rc1 Nc3 13.Bc3 Nf6=) 11...Qe7 12.Nd2 Rad8 13.Qc2 Bc7 14.Nf3 d4 (14...dc4 15.dc4 Bf3 16.Bf3=) 15.Nd1 (15.ed4 cd4 16.Nd4 Qd6+=) 15...Ng4 Black begins to deal mighty blows 16.e4 (better is 16.g3!?=) 16...f5-/+ 17.h3 (17.Re1 fe4 18.de4 Nde5 19.Ne5 Ne5–+) 17...fe4 18.de4 Qd6 Do you see the mate threat? 19.g3? (better is 19.Re1 Nge5 20.Ne5 Qe5 21.Bg4–+) 19...d3! 20.Qc3 (20.Bd3 Theme: Deflection from f3 20...Rf3) 20...Nge5 21.Ne5 de2 (21...Qe5?! 22.Bg4 Rfe8 23.Qd3 Qe4 24.Qe4 Be4 25.Re1+=; 21...Ne5?! 22.Bh5 g6 23.Bg4-/+) 22.Ng4 (22.Nc6 ef1Q 23.Kf1–+) 22…ef1Q (22...ef1Q 23.Kf1 e5–+) 0–1. Zuccotti,Eduardo – Zarnicki,Pablo (2385), Traffic op Buenos Aires, 1992.

7.c4 0-0 8.Be2 Nbd7 9.Nc3 dc4 10.Bc4 b6 11.h3 (11.d4 Qc7=) 11...Bb7+= 12.d3 Ne5 (12...Qc7 13.Rc1+=) 13.Ne5= Be5 14.0-0 Nd5 15.Bd5 Bd5 (15...ed5 16.d4 Bc7 17.dc5 bc5 18.Rc1+=) 16.Qh5 (worse is 16.Nd5 Bb2 (16...Qd5?! 17.Be5 Qe5 18.Qe2=) 17.Ra2 Be5-/+ (17...ed5?! 18.Rb2 Qf6 19.Rc2=)) 16...Bf6 17.Rfd1 Bb3 18.Rd2 Ra7 19.d4 g6 (worse is 19...cd4 20.Ne4+=) 20.Qe2 Rd7 21.Ne4 Bg7 22.dc5 Rd2 23.Nd2 Bb2 24.Rb1 Ba3 25.Nb3 ½–½. Reuter,Alfred – Poschmann,Hans, Tigerschachclub, 2001.

7.c4 0-0 8.Be2 Nbd7 9.Nc3 dc4 10.Bc4 Nb6 11.Be2 =.

7.c4 0-0 8.Be2 Nbd7 9.d3 e5 =.

7.bc6 bc6 8.Nc3 0-0 9.Rb1 Qe7 10.Be2 Ba3 11.Ba3 Qa3 12.0-0 Nbd7 13.Nd4 Qd6 14.Na4 e5 15.Nf5 Qe6 16.Ng3 Ba6 17.Ba6 Ra6 18.d3 Qd6 19.Nf5 Qe6 20.Ng3 Raa8 21.Qd2 g6 22.Qc3 Rfc8 23.d4 e4 24.h3 Qd6 25.Rb3 c5 26.dc5 Nc5 27.Nb6 Nb3 28.Nc8 Qe6 29.cb3 Rc8 30.Qa5 h5 31.Ne2 Rc2?? (better is 31...Qd6+=) 32.Nd4+– Qc8 33.Nc2 Qc2 34.b4 Kg7 35.b5 d4 36.ed4 Nd5 37.b6 e3 (37...Qb3+–) 38.Qd5 1–0. b4_player – bambi, casual, 2013.

7.bc6 Nc6 8.Nc3 e5 =.

7.a4 0-0 8.d4 c5 9.dc5 Nc5 10.Nbd2 b6 11.Be2 Bb7 12.0-0 Qe7 13.c4 Rfd8 14.Qc2 Rac8 15.Bc3 (15.Rad1 e5+=) 15...Bb8 (15...Nfe4 16.Ne4 Ne4 17.Bd4+=) 16.Qb2 (16.Rfd1 Nfe4+=) 16...Nfe4 17.Ne4 (17.Bd4 Nd2 18.Nd2 e5 19.Bc5 Qc5 (worse is 19...bc5 20.Bg4=) 20.cd5 Qd5=) 17...de4-/+ 18.Ne5 (18.Nd2 Qd6 19.g3 f6-/+) 18...Nd3 (18...f6 19.Ng4–+) 19.Nd3 (19.Bd3 ed3 20.Rad1 Be5 21.Be5 Rc4–+) 19...ed3 (worse is 19...Rd3 20.Bd3 (worse is 20.Bg7 Qd6 21.g3 e5-/+) 20...ed3 21.f4 (worse is 21.Bg7 Qg5 22.f3 Qg7 23.Qg7 Kg7–+) 21...Rc4 22.Rad1 (22.Bg7 Rc2–+) 22...Ra4 23.Bg7+=) 20.Bg4?? (better is 20.Bd1 Rc4 21.Bd4–+) 20...Rc4 21.Bd4 Rc2 (21...Qc7 22.g3 e5 23.Bf5 ed4 24.Bd3–+) 22.Qb3 (22.Qa3 Qh4 23.h3 Bg2 24.Bf6 Qf6 25.Rae1 Bf1 26.f3 Bh2 27.Kh1 Bg2 28.Kh2 Bf3 29.Kg1 Rg2 30.Kh1 Rg4 31.Kh2 Qe5) 22...Bg2! 23.Kg2 Rd4! 24.ed4 (24.ed4 Qd6 Double attack (24...Qd6 Decoy)) 24...Qh4 25.Bh3 Qg5 26.Kh1 Qf4 27.Qc2 Qh2 0–1. Ellis,Maurice – Roque,Pedro, FICGS, 2014.

7.c4 Nb6 8.d3 Qe7 (8...0-0 9.Be2=) 9.Be2 dc4 10.dc4 0-0 11.0-0 Nbd7 (11...e5 12.c5 Bc5 13.Be5=) 12.Qc2 b6 (12...e5 13.Nc3=) 13.Nd4 (13.e4 e5=) 13...Bb7= 14.Nd2 Ne5 15.h3 (15.f4 Neg4 16.Qc3 Nh6+=) 15...Rfd8 (15...c5 16.N4f3 Nf3 17.Bf3 Bf3 18.Nf3=) 16.f4 Ng6 (16...Ned7 17.Bf3 Bf3 18.N2f3+=) 17.Bf3+= Bf3 18.N2f3 (18.N4f3?! Bc5 19.Nd4 Qd6=) 18...Bc5 (18...Rd7 19.Nc6 Qf8 20.Bf6 gf6 21.f5+=) 19.Nc6+/– Be3 20.Kh1 Qc5 21.Bf6 gf6 22.Nd8 Rd8 23.g3 (23.f5 Nf4+/–) 23...e5 (23...Ne7 24.Qc3+/–) 24.f5 Nf8 (24...Ne7 25.Qe4+/–) 25.Rfe1 Bh6 (25...Bd4 26.Nd4 ed4 27.Rad1+/–) 26.Qe4+– Rd7 27.Kg2 (27.Re2 Rd6+–) 27...Rd6 (27...Bd2 28.Red1 (28.Nd2?! Rd2 29.Re2 Rd4+=) 28...Bc3 29.Rd7 Nd7 30.Ra2+–) 28.Re2 (28.Qg4 Bg7+–) 28...Kh8 29.Rc2 (29.Qh4 Bg7+–) 29...Qe3+/– 30.Qe3 Be3 31.Rc3 Bc5 32.Re1 h5 33.Kf1 Nd7 (33...Kg7 34.Ke2+/–) 34.Ke2 e4 35.Nd2 ½–½. Kreuzer,Uwe – Trokenheim,Marek, corr 2.KGP–Z–01, 1993.

7.c4 Nb6 8.cd5 ed5 9.Qc2 Qe7 10.Be2 0-0 11.0-0 Re8 12.a4 Bg4 13.d3 Rac8 14.Nbd2 c6 15.bc6 Rc6 16.Qd1 Rcc8 17.h3 Be6 18.Nb3 Bb4 19.Nbd4 Nfd7 20.Nc2 Bd6 21.Qd2 Nc5 Attacking the isolated pawn on a4 22.Qa5 Nca4 23.Ra4 Rc2 24.Qb6 Re2 25.Rc1 Qd7 26.Rca1 Qc6 27.Qc6 bc6 28.Ra8 Bd7 (28...Rf8!? 29.Bd4 Bf5+=) 29.Be5+/– Bb4 30.R8a7 Bf5 31.Nd4 Bd3 32.Nc6 Re1 33.Re1 Be1 34.Bd4 Bc4 35.Ne7 Kh8 (35...Kf8 36.Nf5 Bb4 37.Rb7+–) 36.Nf5 Kg8 37.Ng7 Rb8 38.Nf5 h5 39.g4 hg4 40.hg4 Bb4 41.Nh6 Kf8 42.Nf7 Be7 43.Ne5 Rb1 44.Kg2 Bf1 (44...Bd6 45.Nc4 dc4 46.g5+–) 45.Kg3 Bd6 46.f4 Be5 47.fe5 Bb5 48.e6 Rf1 49.g5 1–0. Bendig,Frank – Valverde Lopez,Mario, LT–005 corr CiF, 2004. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 a5 5.b5 Bd6 6.e3 Nbd7)

7.c4 Nb6 8.cd5 ed5 9.Bd4 =.

7.c4 c5 8.d3 b6 9.Qc2 Bb7 10.Nbd2 0-0 11.0-0-0 (11.Be2!?=) 11...Qc7 12.h3 Ne5 13.Rg1 Rad8 14.Be2 Nf3 15.Nf3 e5 16.Nd2 Be7 17.Bf3 Ne8 18.Bd5 Bd5 19.cd5 Rd5 20.Nc4 Bf6 21.a4 Rd8 22.Rd2 Rb8 23.Rgd1 Qe7 24.Qc3 e4 25.Qc2 Nd6 (25...ed3!? 26.Qd3 Bb2 27.Kb2 Nf6+=) 26.Bf6+/– Qf6 27.Qb2 Qg6 28.Qe5 (28.Nd6!? Qd6 29.de4+/–) 28...Nc4= 29.dc4 Rbe8 (29...Qg2?? 30.Qb8 h6 31.Qb6 Qh3 32.Qc5+–) 30.Qc7 (30.Qg3 Qf6 31.Kc2 Re6+=) 30...Qf6 (30...Qe6!? 31.Rc2 Qf6=) 31.Kc2= Rc8 32.Qd6 Qd6 33.Rd6 Rb8 34.Rc6 Rb7 35.Rcd6 Re8 (35...Rbb8 36.R1d5+/–) 36.Rd7 Rd7 37.Rd7 Rb8 (37...Kf8 38.Rd6 Rb8 39.f3+=) 38.Re7+/– Kf8 (38...f5!?+/–) 39.Re4+– Rd8 40.Re5 Rd6 41.Rh5 h6 42.Re5 f6 43.Re4 Kf7 44.f4 Rd8 (44...g6!?+=) 45.f5+/– Rd6 46.Rf4 g5 47.fg6! Kg6 48.Rg4 Kf7 49.Rf4 Kg6 50.g4 h5 51.gh5 Kh5 52.Rg4 f5 53.Rf4 Kg5 54.h4 Kg6 55.Rf2 Rc6?? (better is 55...Re6 56.Kd3 Kf6+/–) 56.Rg2 (56.bc6 b5 57.c7 f4 58.c8Q Kg7 59.Qe6 Kh7 60.Qf5 Kh8 61.Rg2 fe3 62.Qh5) 56...Kf6 57.Kd3 Ke5?? 58.h5 Rd6 59.Ke2 Rh6 60.Rg6 Rg6= 61.hg6 Kf6 62.e4 Kg6 63.Kf3 Kf6 64.Kf4 fe4 65.Ke4 Ke6 ½–½. Pisk,Petr (2310) – Kubala,Martin (2310), Morava–chT, 1999. (=1.Nf3 Nf6 2.b4 e6 3.a3 a5 4.b5 d5 5.e3 Bd6 6.Bb2 Nbd7)

7.c4 c5 8.d4= cd4 9.Nd4 Nb6 10.cd5 e5 (10...Nbd5 11.Bd3=) 11.Nf3 e4 12.Nfd2 0-0 13.Nc3 Be5 Can d5 get defended? (worse is 13...Nbd5 14.Nd5 (14.Nde4?! Nc3 15.Nc3 Re8+=) 14...Nd5 15.Ne4+/–) 14.Qb3 (14.Rc1 Nbd5 15.Be2 Be6=) 14...Bf5 (14...Bc3 15.Bc3 Nbd5 16.Bd4=) 15.Be2 (15.Rd1 Bc3 16.Bc3 Nfd5+=) 15...Re8 16.a4 (16.Nc4 Nc4 (worse is 16...Nbd5 17.Ne5 Re5 18.Bc4+/–) 17.Bc4 a4=) 16...Rc8 (16...Nfd5 17.Nd5 Bb2 18.Qb2 Nd5 19.Rd1=) 17.Rd1 Nfd7 (17...Rc5 18.0-0=) 18.h3 (18.0-0 Qc7+=) 18...Nc5+= Black is in command 19.Qa3 Nd5 Black creates threats along the open d–file 20.Nd5 Bb2 21.Qb2 Qd5 22.Bc4 (22.Qa3 Nd3 23.Bd3 ed3+=) 22...Nd3-/+ 23.Bd3 ed3 24.0-0 b6 (24...Rc2 25.Qb3 Be6 26.Qd5 Bd5 27.e4+=) 25.Nf3 (25.Qb1 Rc2+=) 25...Be4-/+ 26.Qd4 (26.Ne1 Qg5-/+) 26...Qb7+= 27.Ne1 Red8 28.Qb2 Qe7 29.f3 Bd5 30.e4 Bc4 31.Rf2 Qc5 32.g3 f5 (32...h5 33.Kg2-/+) 33.e5 d2 34.Rdd2 Rd2 35.Qd2 Qe5 36.Kg2 Qa1 (36...Qa1 37.Qd7 Rf8-/+) 0–1. Kreuzer,Uwe – Rohde,Friedhelm, corr 2.KGP–Z–01, 1993.

7.c4 Qe7 8.d4 dc4 (8...c5 9.bc6 bc6 10.Nc3=) 9.Bc4 (9.Nbd2 c3 10.Bc3 Nb6=) 9...e5 10.Nbd2 (10.Qc2!?+=) 10...e4-/+ 11.Ng5 0-0 12.Qc2 Nb6 13.Ba2 (13.Be2 Bf5-/+) 13...Bf5–+ 14.h4 h6 15.g4 Ng4 (15...hg5?! 16.gf5 g4 17.h5+=) 16.Nge4 Na4 (better is 16...Rae8!? 17.Bb1 Nd5-/+) 17.f3+= Nb2 (17...Bg3 18.Ke2 Nb2 19.Qb2 Ne3 20.Ke3+=) 18.fg4 Bg4 (better is 18...Be4!? 19.Ne4 Ba3=) 19.Qb2+= Kh8 20.Qc3 (20.Bb3!?+=) 20...Ba3= 21.Qd3 Bb4 22.Nf2 (22.Nc3 Bf5 23.e4 Bc3 24.Qc3 Be4=) 22...Bh5 23.Bd5 Rfe8 24.Rh3 Rad8 25.Bg2?? (better is 25.Bb7 Bg6 26.e4=) 25...Bg6-/+ 26.Qc4?? (better is 26.e4 Qf6 27.Rf3–+) 26...Qf6–+ 27.Rf3 Qd4 28.Qd4 Rd4 29.Ra2 Rh4 30.Rg3 Rc4?? 31.Ke2 Rc3 32.Nfe4 Rc1 33.Bf3 Kh7 34.Nf2-/+ Rc5 35.Bb7+= Bh5 36.Kf1 Rd8+= 37.Nb3 Attacks the isolani on a5 37...Rb5 38.Be4 f5 39.Bd3 Rb6 40.Bf5 g6 41.Bd3? Bd6–+ 42.Rh3 Rb3 43.Rh5 Rd3! 44.Nd3 gh5 45.Ra5 Kg6 46.e4 Bg3 47.Rd5? Rd5–+ 48.ed5 Bd6 49.Kf2? Kf5 50.Kf3 h4 51.Nf2 h5 52.Nd1 Ke5 53.Nc3+= h3 54.Kf2 Kf4 55.Kg1= Kf3 56.Nb5 Ke3 57.Kh1 Bg3 58.Kg1 Kf3 59.Kh1 Kf2 60.Nd4 Be5 61.Nb5 h4 62.Na7 h2 63.Nb5 Ke3 64.Kg2 Ke4 65.Kh1 h3 66.Nc7 Bc7 67.d6 Ke5 ½–½. Prasannaa,S (2230) – Saim,Mohamed Ilias (2040), Pune IND, World Ch U20 (b), 2014.

7.d3 0-0 8.Be2 e5 9.Nbd2 c6 10.bc6 bc6 11.0-0 Qc7 12.c4 (12.h3!?+=) 12...e4-/+ 13.de4 de4 (worse is 13...Ne4 14.cd5 cd5 15.Rc1+=) 14.Nd4 Bh2 15.Kh1 Be5 16.f4 ef3! 17.N2f3 (17.N2f3 Ne4 Combination; 17.N4f3 Bb2 Pinning (17...Bb2 Deflection); 17.Bf3 Nb6 Combination; 17.Rf3 Ng4 Combination; 17.gf3 Nb6 Combination) 17...Ng4 18.Ne5 Nde5 (worse is 18...Nge5 19.Nf5-/+) 19.Bg4 (better is 19.Bc1–+) 19...Ng4 (19...Bg4?! 20.Qc2-/+) 20.Rf3 (20.Rf4 Ne3 21.Qf3 Nc4 22.Bc3–+) 20…Qh2 0–1. Fournier,Frederic – Darkpendert (2355), Partie evaluee, 1m + 0s, 2008.

7.Bd3 +=.

7.d4 0-0 8.Nbd2 Qe7 9.Ne5 Ne4 10.Ne4 de4 11.Nd7 Bd7 12.c4 b6 13.Qc2 f5 14.Be2 c6 15.c5 bc5 16.dc5 Bc5 17.bc6 (17.Rd1 Rfd8 18.bc6 Bc6 19.Rd8 Rd8 20.0-0-/+) 17...Rfc8-/+ (17...Bc6 18.Rc1 Ba3 19.Ba3 Qa3 20.Qc6 Qb4 21.Kf1+/–) 18.0-0 Bc6 ½–½. Elkin,Alexander (2160) – Suhachev,Viktor (1945), Dimitrovgrad RUS, Petrosian Mem, 2011. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 a5 5.b5 Bd6 6.e3 Nbd7)

7.d4 0-0 8.Ne5 c5-/+ 9.bc6 bc6 10.Nc6?? (better is 10.Nd2-/+) 10...Qb6–+ 11.Ne5 (11.Nc3 Qc6 (11...Qb2?! 12.Nb5 Ra6 13.Rb1 Qb1 14.Qb1 Rc6 15.Nd6 Rd6 16.Bd3–+) 12.Bb5 Qc7–+) 11...Qb2 12.Nd7 Bd7 13.Nd2 Ne4 (13...Ba3?! 14.Rb1 a4 15.Rb2 Bb2 16.Qb1–+) 14.Bd3 (14.Rb1 Qa3 15.Rb3–+) 14...Nc3 15.Qc1 Ba3 16.Nb3 Qc1 17.Nc1 Bb2 (17...Bb2 18.Ne2 Ba1–+) 0–1. djxtwee (1615) – didaktikm123, gameknot.com, 2013. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.e3 a5 5.b5 Bd6 6.Bb2 Nbd7)

7.d4 c5 8.dc5 Nc5 9.c4 0-0 10.cd5 ed5 (10...Nd5 11.Nc3=) 11.Nc3 Be6 12.Be2 a4 13.0-0 Qe7 14.Bd3 Rfc8 15.Bc2 Nb3 16.Bb3 (16.Ra2 Qc7=) 16...ab3 17.Ne2 (17.a4 Rc5=) 17...Rc2 (17...Ba3 18.Qb3 Bd6 19.Ned4=) 18.Bf6 (18.Rb1 Ba3 19.Ba3 Ra3=) 18...Qf6 (worse is 18...gf6 19.Ned4 Ra2 20.Qb3 R2a3 21.Ra3 Ra3 22.Qc2+/–) 19.Ned4 Ra2 (19...Rb2 20.Nb3 Bg4 21.Nbd4 (worse is 21.Qd5 Rd8 22.Qb7 Rb3-/+) 21...Bf3 22.Qf3 Qf3 23.gf3=) 20.Qb3 R2a3 21.Qb2 Bd7 (21...Bg4 22.Ra3 Ra3 23.Rc1=) 22.Ra3 Ra3 23.h3 Qd8 24.Rd1 Qc8 25.Ne2 (25.Qb1 Qc4=) 25...Qc4 26.Ne5 (26.Ne5 Qb5 27.Qb5 Bb5 28.Rd5 Ra1 29.Kh2 Be2 30.Rd6=) 1–0. Fels,Bernhard (2025) – Eide,John Henning, BI–2011–F–00008, 2012.

7.d4 c6 8.c4 dc4 9.bc6 bc6 10.Nbd2 Nb6 11.Nc4 Nc4 12.Bc4 Qb6 13.Rb1 Qa7 14.0-0 0-0 15.Qe2 Nd5 16.Rfc1 Ba6 17.e4 Nf4 18.Qd2 Ng6 19.g3 Bc4 20.Rc4 c5 21.Qc3 cd4 22.Nd4 f6 23.Ne6 Be5 24.Qc2 Rfb8? (better 24...Rf7!?+/-) 25.Be5+- Rb1 26.Qb1 Ne5 27.Rc7 Qa6 28.Rg7 (28.Ng7?! Qe2 29.Nf5 Nf3 30.Kh1 Ng5+-) 28...Kh8 29.Kg2 Qe6 (29...Qc8 30.Qb7 Qb7 31.Rb7 Nc4+-) 30.Qb7 Qg8 31.Rg8 Rg8 32.Qe7 Ng6 33.Qf6 Rg7 34.e5 h5 35.f4 Kh7 36.f5 Ne7 37.Qg7! Kg7 38.f6 Kf7 39.fe7 Ke7 40.Kh3 Ke6 41.Kh4 Ke5 42.Kh5 Kd4 43.g4 Kc3 44.g5 Kb3 45.g6 1-0. interliner (2640) - averoes (2425), net-chess.com, 2011.

7.Be2 0-0 8.d4 Nb6 9.a4 c6 10.Nbd2 (10.Ba3 Ba3 11.Ra3 Bd7=) 10...Bd7 (10...cb5 11.ab5 Qe7 12.c4 dc4 13.0-0+=) 11.Ne5 (11.Ba3 Ba3 12.Ra3 Ne8=) 11...cb5 12.Nd7 Nfd7 13.Bb5 Rc8 (13...Qc7 14.Rc1=) 14.c3 (14.Ba3 Nf6=) 14...Qh4 15.h3 Rc7. Pleschke,Helmut – Woelfelschneider,Peter, Tigerschachclub, 2001.

8.Qc2 c5 9.Be2 Qc7 10.0-0 b6 11.d3 Bb7 12.Nbd2 h6 13.h3 Rfe8 14.Rab1 Rac8 15.Rbd1 Ne5 16.Bc3 Nf3 17.Nf3 Rcd8 18.cd5 (18.Bf6 gf6 19.Nd2 Qd7=) 18...Nd5+= (18...Bd5? 19.e4+–) 19.Bb2 Qe7 20.Rfe1 Rd7 21.Nd2 Bc7 22.Bf3 e5 23.Nf1 f5 24.Nd2 Rf8 25.Nc4 Re8 26.Ba1 Qg5 27.Nd2 Kh8 28.Qc4 Rf8 Black prepares f4 29.Kh1 Qf6 30.Bb2 g5 Black prepares the advance f4 31.g3 h5 32.h4 f4 33.hg5+/– Qg5 34.ef4+– Rf4 35.Ne4 Qf5 36.Bg2 Rg4 37.f3 Rg6 38.Kg1 Rdg7 39.Rd2 Nf6 40.Re3 Bd5 41.Qc1 a4 42.Rf2 Qe6 43.Qf1 h4 44.Nf6 Qf6 45.g4 Qf4 46.Qe1 Increasing the pressure on the isolated pawn on e5 46...Rg5 47.Bc1 h3 48.Bh3= Rh7 49.Bg2 Qg3 50.Rd2 Qh2 51.Kf1+= Rf7 52.Rf2 Rg8 53.Bb2 Re8 54.Qd1 Kh7 55.Qc2 Qf4+= Increases the pressure on the backward pawn 56.Qd2 Ref8 The pressure on the backward pawn f3 grows 57.Ke1 ½–½. Woelfelschneider,Peter – Warnecke, 2009.

8.Qc2 Re8 9.Nc3 Nb6 10.cd5 ed5 11.Be2 c5 12.bc6 bc6 13.0-0 Nc4 14.Bc4 dc4 15.h3 Bc7 16.Rfe1 Ba6 17.e4 Nd7 18.Na4 f6 19.g3 Rb8 20.Rab1 Qe7 21.Nd4 Ne5 22.f4 Nd3 23.Nc6 Qe6 24.Nb8 Qh3 25.Re3 Bb8 26.Bd4 Bf4 27.gf4 Qg4 28.Kh2 Qh4 29.Rh3 Qf4 30.Rg3 Re4 31.Qd1 Rd4 32.Qf3 Qd2 33.Kg1 Nc1 34.Rb8 Rd8 35.Rd8 Qd8 36.Qe4 Qd1 37.Kg2 Qe2 38.Qe2 Ne2 39.Re3 Bb5 40.Kf2 Ba4 41.Re2 h5 42.Ke1 g5 43.Re6 Kf7 44.Ra6 h4 45.Ra5 Bc6 46.Ra7 Ke6 47.Rh7 c3 48.Rc7 Kd5 49.Rh7 Ke5 50.Rh5 Bd7 51.a4 Ba4 52.Rh7 Bb3 53.Ke2 Be6 0–1. rcm06 (2150) – glovio (2110), gameknot.com, 2014.

8.Be2 dc4 9.Bc4 e5 10.d3 Qe7 11.Nbd2 Nb6 12.0-0 Bd7 13.a4 h6 (13...c6 14.Qb3=) 14.Bb3 Rfe8 15.Qe2 Be6 16.Bc2 Bg4 17.Rfc1 Bb4 18.Nf1 Nbd5 (18...Nfd5 19.h3 Bc3 20.Bc3 Nc3 21.Qd2 Bf3 22.Qc3+=) 19.Bb3 Bd6 20.h3 Bd7 21.N1d2 Bf5 Black prepares the advance e4 (21...Nb6 22.d4 e4 23.Ne5=) 22.Nc4+= The pressure on e5 grows 22...e4 23.Nd6 Qd6 24.de4 Be4 25.Rd1 Rad8 26.Rac1 Rd7 (26...Qe7 27.Bd4+=) 27.Nd2+/– Bg6 28.Qe1 (28.Qf3 Bh5 29.g4 Bg6 30.Bf6 Nf6 31.Qb7 Qb4+/–) 28...Qb4 29.Rc4 Qd6 30.Rd4 (30.Nf1 Bh5 31.f3 Qb6+/–) 30...c6 (30...c5 31.Nc4 Qe6 32.R4d2+/–) 31.Nc4+/– Qc7 (31...Qb4 32.Na5 Qe1 33.Re1 cb5 34.ab5+–) 32.Qa5 Qb8 33.Qe1 Rde7 (33...Red8 34.f3+–) 34.a5 (34.b6 Bh5 35.Rc1 Nf4+–) 34...Bh5 35.g4 (35.R1d2 Ne4 36.Rc2 Nc5+/–) 35...Bg6+/– 36.Nb6 (36.Ba4 Rc8+/–) 36...Be4 (36...Nb6 37.ab6 Nd5 38.Bd5 cd5 39.Rd5+–) 37.Nd5+– Nd5 38.Qe2 Re6 (38...Qc7 39.Qd2+/–) 39.Ra1 (39.Bc4 R6e7+–) 39...h5 (39...Qd6 40.a6+–) 40.gh5+– Re5 41.Rd5 (41.Rd5 Bd5 42.Bd5 (42.Be5?! Qe5 43.Ra3 Qe7 44.Bd5 Qa3 45.bc6 bc6+=) 42...Rd5 43.Qg4+–) 1–0. Cirulis,Ilmars (1905) – Sternik,Ryszard (1760), FICGS, 2016.

8.Be2 dc4 9.Bc4 Qe7 10.0-0 Nb6 11.Be2 e5 12.d3 h6 13.Nbd2 Bf5 14.e4 Bg6 15.a4 Nfd7 16.Qc2 Rfe8 17.Rfc1 Rec8 18.Qd1 Bh7 19.Nf1 Rd8 20.Ne3 Nc5 21.Nd2 Rab8 22.Ndc4 Nc4 23.Rc4 Qg5 24.Bc1 Qe7 25.Nd5 Qf8 26.Be3 Ne6 27.Qd2 b6 28.f4 ef4 29.Nf4 Bb4 30.Qc2 Bc5 31.Bc5 Nc5 32.Qc3 f6 33.Bg4 Kh8 Attacking the backward pawn on d3 34.Rf1 Qe7 35.g3 Qe5 36.d4 Qg5 37.Bf3 Ne4 1–0. Buczinski,Henryk (2190) – Vodicka,Milan (2010), SA–2012–O–00279, 2012.

9.Nc3 b6 A) 10.cd5 ed5 (10...Nd5 11.Nd5 ed5 12.dc5 Nc5 13.Qd5 Ra7 14.Bc4 Be6) 11.dc5 Nc5 12.Nd5 Nd5 13.Qd5 Bb7 14.Qc4 Re8; B) 10.Be2 Bb7 (10...Re8 11.cd5 ed5 12.dc5 Nc5 13.Nd5 Nd5 14.Qd5 Ra7) 11.cd5 ed5 12.0-0 c4 13.a4 h6 14.Qc2 Re8; C) 10.dc5 Nc5 (10...Bc5 11.cd5 Qe7 12.Bc4 ed5 13.Nd5 Qe4 14.Qb3 a4) 11.cd5 Bb7 12.Bc4 Qd7 13.Qd4 Rad8 14.de6 fe6.

9.Nc3 Nb6 D1) 10.cd5 ed5 (10...Nbd5 11.dc5 Bc5 12.Bd3 Nc3 13.Bc3 Nd5 14.Qc2 g6) 11.dc5 Bc5 12.Qc2 Bg4 13.Be2 Nc4 14.0-0 Rc8; D2) 10.Na4 Na4 (10...Ne4 11.Nc5 Nc5 12.dc5 Bc5 13.cd5 Nd5 14.Bc4 Qe7) 11.Qa4 Ne4 12.Bd3 Bd7 13.0-0 Rc8 14.Rac1 f6; D3) 10.dc5 Bc5 11.Na4 Be7 12.Nb6 Qb6 13.Bd4 Qd6 14.Qc2 Ne4.

9.Nc3 Qc7 A) 10.dc5 Nc5 (10...Bc5 11.cd5 Nb6 12.Bd3 ed5 13.0-0 Nc4 14.Nd5 Nd5) 11.cd5 ed5 12.Nd5 Nd5 13.Qd5 Be6 14.Qd4 f6; B) 10.cd5 ed5 (10...Nd5 11.Ne4 Be7 12.Rc1 b6 13.Bd3 Qd8 14.Nc3 Bb7) 11.Rc1 Rd8 12.dc5 Nc5 13.Nd5 Nd5 14.Qd5 Qe7; C) 10.Rc1 dc4 (10...Re8 11.dc5 Nc5 12.cd5 ed5 13.Nd5 Nd5 14.Qd5 Be6) 11.Bc4 b6 12.0-0 Bb7 13.Na4 Rfd8 14.g3 Rac8.

9.Nc3 Qe7 10.cd5 ed5 11.dc5 Nc5 12.Na4 Na4 (12...Nce4 13.Qd4 Rd8 14.Bd3=+) 13.Qa4 Bf5 14.Be2 Rfc8 15.0-0 (15.Qh4 Be4 16.0-0 Nd7 17.Qe7 Be7=) 15...Bc2 (15...Rc2!? 16.Bf6 Qf6= (worse 16...gf6 17.Nd4 Qe5 18.g3+–)) 16.Qh4+= Ne4 17.Qe7 Be7 18.Nd4 Nd2 19.Rac1 (better 19.Rfc1 Be4 20.f3=) 19...Nf1-/+ 20.Bf1 Bf6 0–1. Jabot,Daniel (1970) – Moreno,Ciro (1885), FICGS, 2013.

9.Nc3 Re8 A) 10.Be2 cd4 (10...dc4 11.dc5 Nc5 12.Bc4 b6 13.0-0 Bb7 14.Na4 Rc8) 11.Qd4 Nc5 12.Rd1 e5 13.Qd2 e4 14.Nd4 dc4; B) 10.dc5 Nc5 (10...Bc5 11.cd5 Nb6 12.Rc1 Qe7 13.Bd3 Ba3 14.Ba3 Qa3) 11.Be2 dc4 12.Bc4 b6 13.0-0 Bb7 14.Nd4 Rc8; C) 10.cd5 ed5 (10...Nd5 11.Ne4 Be7 12.Rc1 b6 13.dc5 Nc5 14.Nc5 Bc5) 11.Be2 c4 12.0-0 b6 13.Qc2 Bb7 14.a4 Qe7.

9.dc5 A) 9...Bc5 A1) 10.Nbd2 Bd6 (10...Be7 11.Be2 b6 12.cd5 Nd5 13.0-0 Bb7 14.Nc4 Rc8) 11.cd5 ed5 12.Be2 Nc5 13.0-0 Bf5 14.Nb3 Na4; A2) 10.Qc2 b6 (10...Bd6 11.Nbd2 Re8 12.cd5 ed5 13.Be2 Nc5 14.0-0 Bd7) 11.Nc3 Bb7 12.cd5 ed5 13.Be2 Rc8 14.0-0 Bd6; A3) 10.cd5 ed5 (10...Nd5 11.Nc3 Nc3 12.Bc3 Nb6 13.Qc2 Qe7 14.Bd3 g6) 11.Bd3 Bd6 12.0-0 Nc5 13.Nc3 Nd3 14.Qd3 Be6; B) 9...Nc5 B1) 10.Be2 b6 (10...dc4 11.Bc4 b6 12.0-0 Bb7 13.Nbd2 Qe7 14.Qc2 Rfd8) 11.0-0 Bb7 12.Nc3 dc4 13.Bc4 Ng4 14.Be2 Rc8; B2) 10.Qc2 b6 (10...Bd7 11.Nc3 Qb6 12.Rd1 Rfc8 13.Na4 Na4 14.Qa4 Ne4) 11.Nbd2 Bb7 12.Be2 Nfe4 13.0-0 Rc8 14.g3 f6; B3) 10.Nc3 a4 (10...Be7 11.Be2 dc4 12.Bc4 Qc7 13.0-0 b6 14.Qe2 Rd8) 11.cd5 Nb3 12.Ra2 ed5 13.Be2 Be6 14.0-0 Na5.

9.bc6 bc6 A) 10.c5 Bc7 (10...Be7 11.Nbd2 Qc7 12.Qc2 Bb7 13.Bd3 Rfb8 14.Rb1 h6) 11.Nbd2 e5 12.Ne5 Ne5 13.de5 Rb8 14.Qc2 Ng4; B) 10.Qc2 Ba6 (10...Rb8 11.Nc3 Ba6 12.c5 Bf1 13.Kf1 Bc7 14.Rb1 e5) 11.Nbd2 c5 12.cd5 Bf1 13.Kf1 ed5 14.Rb1 Rc8; C) 10.Nc3 Rb8 (10...Ne4 11.c5 Bc7 12.Bd3 Rb8 13.Qc2 f5 14.0-0 e5) 11.Rb1 Qe7 12.Qc2 Bb7 13.c5 Bc7 14.Be2 e5.

9.Nbd2 b6 10.Be2 (10.Bd3 cd4 (10...Bb7 11.0-0 Qe7 12.Ne5 Rac8 13.f4 h6 14.Qe2 Rfe8) 11.ed4 Bb7 12.0-0 Rc8 13.Qe2 Qe7 14.g3 Rc7; 10.cd5 ed5 (10...cd4 11.Nc4 Nc5 12.de6 Be6 13.Nd4 Nfe4 14.Nc6 Qc7) 11.Be2 c4 12.0-0 Qe7 13.Nh4 g6 14.Bf3 Rb8) 10...Bb7 (10...cd4 11.ed4 Bb7 12.0-0 Rc8 13.g3 Ne4 14.Bd3 Qe7) 11.0-0 (11.cd5 ed5 12.dc5 Nc5 13.0-0 Rc8 14.Rc1 Re8) 11...cd4 (11...Rc8 12.Rc1=+ (12.cd5 ed5 13.dc5 Nc5 14.Rc1 Re8) 12...Qe7 13.cd5 ed5 14.dc5 Rc5) 12.Nd4= (12.ed4 Qe7 13.Ne5 Rfc8 14.Qa4 Be5) 12...Qc7 (12...Rc8 13.Rc1 Nc5 14.cd5 Nd5) 13.g3 (13.f4 Rac8 14.cd5 Nd5) 13...Nc5 (13...Rad8 14.cd5 Bd5 15.Rc1=) 14.cd5 Nd5 (14...Bd5=+) 15.Bf3 Rac8 16.Rc1 Rfd8 17.Nc4 Be7 18.Qc2 Bf6 19.Rfd1 h6 (19...Ne7 20.Bb7 Qb7 21.f3=) 20.Bg2 (20.e4!? Ne7 21.e5+=) 20...Ne7= 21.Bb7 Nb7 (21...Qb7 22.a4=) 22.a4 (22.e4 Nd6 23.Nc6 Nc6 24.Bf6 gf6 25.Nd6 Rd6 26.Rd6 Qd6 27.bc6 Qa3=) 22...Qc4= 23.Qc4 Rc4 24.Rc4 e5 25.Rc7 Nc5 26.Ba3 ed4 27.ed4 Nd7 28.Rdc1 Nd5 29.Rc8 Rc8 30.Rc8 Kh7 31.Rc2 g5 32.Kf1 Bg7 (32...Bd4? 33.Rd2 Bc5 34.Rd5+–) 33.Ke2 Bf8 (33...g4 34.Kd3 Kg6 35.Rc8+=) 34.Bf8+= Nf8 35.Rc8 Kg7 36.Rd8 Nf6 37.Ke3 h5 38.h3 h4 (38...N8d7 39.f3+=) 39.gh4+– gh4 40.Kf3 (40.Rd6 N8d7+–) 40...N8d7+= 41.Kf4 Kg6 42.Rh8 Nd5 (42...Nh5 43.Kf3=) 43.Ke4 N5f6 (43...N7f6 44.Ke5 Kg5 45.Rf8+=) 44.Kd3+= Nh5 45.Kc4 Ndf6 46.Rb8 Nd7 47.Rd8 Nhf6 48.Rh8 ½–½. Woelfelschneider,Peter (2325) – Nogler,Schimun (2445), CiF, 2010.

9.Nbd2 cd4 A) 10.Nd4 e5 (10...Nc5 11.cd5 Nd5 12.Nc4 Bc7 13.Rc1 Qe7 14.Be2 e5) 11.Nf5 Bc7 12.cd5 Nb6 13.d6 Bf5 14.dc7 Qc7; B) 10.Bd4 e5 (10...Qe7 11.cd5 ed5 12.Be2 Nc5 13.0-0 Bf5 14.Rc1 Rfc8) 11.Bb2 e4 12.Nd4 Nc5 13.Qc2 Re8 14.h3 Bd7; C) 10.ed4 b6 (10...Qe7 11.c5 Bf4 12.Be2 e5 13.c6 bc6 14.bc6 e4) 11.Bd3 Bb7 12.0-0 Ne4 13.Re1 Nd2 14.Nd2 Rc8.

9.Nbd2 g6 A) 10.h3 b6 (10...cd4 11.ed4 Ne4 12.Bd3 Nd2 13.Nd2 b6 14.cd5 ed5) 11.Bd3 Bb7 12.0-0 Qe7 13.Re1 cd4 14.ed4 Rac8; B) 10.Be2 cd4 (10...b6 11.0-0 Bb7 12.Ne5 cd4 13.ed4 Rc8 14.f4 dc4) 11.ed4 b6 12.0-0 Bb7 13.Ne5 Rc8 14.f4 dc4; C) 10.Bd3 b6 (10...cd4 11.ed4 b6 12.0-0 Bb7 13.Ne5 Rc8 14.f4 Qe7) 11.0-0 Bb7 12.a4 cd4 13.ed4 Ne4 14.Qe2 Rc8.

9.Nbd2 h6 A) 10.Be2 cd4 (10...b6 11.0-0 Bb7 12.cd5 ed5 13.dc5 Nc5 14.g3 Rc8) 11.ed4 b6 12.0-0 Bb7 13.Ne5 Qc7 14.f4 Qb8; B) 10.cd5 ed5 (10...cd4 11.Nc4 Bc5 12.de6 de3 13.ef7 Rf7 14.Ne3 Rf8) 11.Be2 Qe7 12.0-0 c4 13.Qc2 b6 14.Nh4 g6; C) 10.Bd3 b6 (10...cd4 11.ed4 b6 12.0-0 Bb7 13.Qe2 Rc8 14.Rac1 Qe7) 11.0-0 Bb7 12.Qe2 Re8 13.h3 e5 14.de5 Ne5.

9.cd5 A) 9...Nd5 A1) 10.Nbd2 f5 (10...cd4 11.Ne4 Bc7 12.Qd4 f6 13.Be2 Ne5 14.a4 Bd7) 11.Nc4 Be7 12.Bd3 cd4 13.Bd4 Nc5 14.0-0 a4; A2) 10.e4 Nf4 (10...N5b6 11.Be2 Qe7 12.e5 Bc7 13.0-0 Nd5 14.Nc3 Nf4) 11.g3 Ng6 12.Nbd2 cd4 13.Nc4 Bc5 14.Bd4 Qe7; A3) 10.Nc3 Qe7 (10...N7f6 11.dc5 Bc5 12.Bd3 Nc3 13.Bc3 Nd5 14.0-0 Nc3) 11.Ne4 Bc7 12.Rc1 cd4 13.Qd4 f5 14.Nc3 Nc3; B) 9...Nb6 B1) 10.de6 Be6 11.Nbd2 Rc8 12.dc5 Bc5 13.Be2 Qe7 14.0-0 Rfd8; B2) 10.Qc2 cd4 (10...Qe7 11.de6 Be6 12.dc5 Bc5 13.Ng5 Rfc8 14.Bf6 Qf6) 11.Bd4 Nbd5 12.Nc3 Bd7 13.Nd5 Nd5 14.Bd3 Qe7; B3) 10.dc5 Bc5 11.Bd3 Bd7 12.0-0 Nbd5 13.Nc3 Nc3 14.Bc3 Nd5; C) 9...cd4 C1) 10.Nd4 ed5 (10...Nc5 11.de6 fe6 12.Nd2 Nd5 13.Qc2 Qe7 14.Nc4 Bc7) 11.Be2 Ne5 12.Nd2 Bd7 13.0-0 Qe7 14.h3 a4; C2) 10.de6 fe6 (10...Nc5 11.ef7 Rf7 12.Bd4 Nfe4 13.Bc4 Be6 14.Be6 Ne6) 11.Bd4 Qe7 12.Bc4 Ng4 13.Nbd2 Nc5 14.0-0 Qc7; D) 9...ed5 D1) 10.Nc3 Qe7 (10...c4 11.Be2 Qe7 12.0-0 b6 13.h3 Bb7 14.Qc2 Rac8) 11.Be2 c4 12.0-0 b6 13.a4 Bb7 14.Qc2 Rfe8; D2) 10.Qc2 g6 (10...c4 11.Nc3 Nb6 12.Be2 g6 13.h3 Bf5 14.Qd1 a4) 11.Nc3 c4 12.Be2 Nb6 13.0-0 Bf5 14.Qd1 Qe7; D3) 10.Be2 cd4 (10...c4 11.Nc3 b6 12.0-0 Bb7 13.Qc2 Qe7 14.a4 Rfe8) 11.Bd4 Nc5 12.Nc3 Be6 13.0-0 Nfe4 14.Rc1 Rc8.

6.e3 c6 7.c4 dc4 8.bc6 Bc6 9.Bc4 b5 10.Be2 Be7 11.0-0 0-0 12.Nc3 Qd7 (12...b4 13.Nb5=) 13.d4 (better 13.Ne5!? Qb7 14.Nc6 Nc6 15.Nb5+/-) 13...b4+= 14.ab4 Bb4 15.Ne5 Qb7 16.Nc6 Qc6 17.Bf3 (17.Bf3 Nd5 18.Nd5 ed5 19.Qb3+/-) 1-0. carlos78 (2265) - hyudga (2195), Rated Blitz game, lichess.org, 2015.

6.e3 c6 7.bc6 Bc6 8.c4 Qb6 9.Qc1 (9.Bf6 gf6 10.cd5 Bd5 11.Nc3+=) 9...Ba4 (better is 9...dc4!? 10.Bf6 gf6 11.Qc4 Nd7=) 10.cd5 (10.Bf6 gf6 11.cd5 Bd7+/–) 10...Nd5+= 11.Nc3 Nc3 12.Bc3 f6 13.Be2 Bd6 14.0-0 Qc7 15.h3 Bc6 (15...Nc6 16.Qb2=) 16.d4 (16.Nd4 Bd7+=) 16...b5 17.Qb2 Qd7 (17...Qb7 18.Qd2+=) 18.Rab1 (18.Rfb1 0-0+/–) 18...a4 19.Bb5 (better is 19.Bb4!?+/–) 19...Bb5+= 20.Qb5 Qb5 21.Rb5 Ba3 22.Rfb1 Nd7 23.Bb4 Bb4 24.R5b4 a3 25.Ra1 0-0 26.Rb3 a2 27.Rb2 Rfc8 28.Rba2 Rab8 29.Ra7 Nb6 30.Nd2 Nd5 31.Ne4 Rd8 32.Nc5 Nc3?? 33.Ne6 Rd6 34.Ng7 Kh8 35.Nf5 Rdb6 36.Ra8 h5 37.Rb8 Rb8 38.Ra6 Ne4 39.Ne7 Rb1 40.Kh2 Nf2 41.Rf6 Kg7?? 42.Rf2+– Rb7 43.Nd5 Rb3 44.Rf3 h4 45.Nf4 Rb2 46.Ne6 Kg6 47.Nc5 Kg5 48.Nd3 Rb1 49.Ne5 Ra1 50.Rf2 Rd1 51.Re2 Rf1 0–1. Fournier,Frederic (1965) – Anandal (1955), Active (2/0), 2005.

6.e3 Bd6 7.c4 c6 8.bc6 Nc6 9.cd5 ed5 10.Be2 0-0 11.0-0 Re8 12.Nc3 Qb6 13.Na4 Qc7 (13...Qd8!?+=) 14.Bf6+/– gf6 15.Qb3 Bf5 (15...d4 16.Nb6 Rab8 17.Nd7 (17.Nd4 Nd4 18.ed4 a4 19.Na4 Bh2 20.Kh1 Re2-/+) 17...Qd7 18.Bb5+/–) 16.Nb6 Ra7 17.Nd5 Qd8 18.Bc4 a4 19.Qb2 Be5 (19...Ne5!? 20.Ne5 fe5+/–) 20.d4+– Bd6 21.Nc3 Qe7 22.Nb5 Ra5 23.Nd6 Qd6 24.Qb7 Be6 25.Be6 Re6 (25...fe6 26.Rfc1 Ne7 27.Rc7+–) 26.Rfc1 Ra7 27.Qc8 Kg7 28.Nd2 Rc7 29.Qa6 Ra7 30.Qd3 Qd5 31.Rc5 Qd8 32.d5 Ne5 33.Qd4 Re8 34.f4 Ng4 35.h3 Ne3 36.d6 Qa8 (36...Re6 37.Ne4 Ra5+–) 37.Rg5 Kf8 38.Qf6 Qg2 39.Rg2 Ng2 40.Qh8 1–0. Fournier,Frederic (1855) – COMP CyrusII, amstradabandonware.com, 2013. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 a5 5.b5 Bd7)

6.e3 Bd6 7.Be2 0-0 8.0-0 c5 9.c4 dc4 10.Bc4 Qe8 (10...Qe7 11.Ne5+=) 11.a4 (11.Bf6 gf6 12.Nc3 f5+/-) 11...b6 (11...e5 12.d4 cd4 13.ed4=) 12.Na3 (12.Bf6 gf6 13.d4 Qe7+/-) 12...Nd5 (12...e5!?=) 13.d4+/- Bc8 14.Qc2 (14.Bd5!? ed5 15.dc5 Bc5 16.Qd5+/-) 14...Bb7+= 15.Ng5 (better 15.e4 Nf4 16.Qd2+/-) 15...g6? (15...f5 16.dc5 Bc5 17.e4+=) 16.h4 (better 16.Ne4 Be7 17.dc5 bc5 18.Nc5 Bc5 19.Bd5 Bd5 20.Qc5+-) 16...Qe7 17.Bc1 (17.dc5!? Bc5 18.Rfd1=) 17...h6 18.Nf3 Nd7 (18...cd4 19.Bd5 Bd5 20.e4=) 19.e4= Nb4 20.Qd2 (better 20.Qb2!? Kh7 21.Qd2=) 20...Be4-/+ 21.Qh6 (21.dc5!? Bc5 22.Qh6 Bf3 23.Bb2=+) 21...Bf3-+ 22.gf3 Qf6 23.Kh1?? (23.Bg5 Qf5 (23...Qf3 24.Be6 fe6 25.Qg6 Kh8 26.Qh6 Kg8 27.Qe6 Rf7 28.Qd6+/-) 24.Be3 Qh3-/+ (worse 24...Qf3 25.Be6 Nf6 26.dc5 bc5 27.Nc4=)) 23...Qd4 (23...Qf3 24.Kg1 Qg4 25.Kh1 Qh3 26.Kg1 Qh2) 24.Be3 (24.Be6 Qf6 (24...fe6?! 25.Qg6 Qg7 26.Qe6 Kh8 27.Qd6 Rf3 28.Bg5=) 25.Bb2 Be5 (25...Qb2 26.Rg1 Ne5 27.Nc4 Qa1 28.Ra1+-; 25...Qf3?! 26.Kg1 Ne5 27.Nc4-/+) 26.Be5 Ne5-+) 24...Qe5 25.Rg1?? (better 25.f4 Qe4 26.Kg1-+) 25…Qh2 0-1. Santiagoroman (1780) - bjagus (1725), lichess.org, 2020.

6.e3 Ne4 7.Ne5 Nf2?? (better is 7...Qf6 8.Qf3 Qf3 9.Nf3 c6=) 8.Kf2+– Qf6 9.Qf3 Qh4 (9...Qf3 10.Nf3 f6 11.c4+–) 10.g3 Qa4 11.Qf7 Kd8 12.Nd7 Nd7 13.Bd3 Qg4 14.h3 Qg5 15.Qe6 Bd6 16.Qg4 Rf8 17.Kg2 Qe7 18.Nc3 Nf6 19.Qe2 c5 20.bc6! bc6 21.Rhf1 Qe5 22.Qe1 Ke7 23.Na4 Qg5 24.Bf6 gf6 25.Rb1 f5 26.Rb7 Ke6 27.Nc3 Rab8 28.Rb8 Bb8 29.Ne2 h5 30.Nd4 Kd6 31.Nf5 Kc5 32.Nd4 Rf1 33.Bf1 Qe5 34.Ne2 Qb2 35.d4 Kb6 36.Qc3 Qb1 37.Qb3 Qb3 38.cb3 Bd6 39.a4 c5 40.Nf4 1–0. Krc,Milan (1880) – Kopkan,Pavel (2025), Brno Trade op–A, 2005.

6.a4 Bd6 7.e3 0-0 8.Be2 e5 9.0-0 Qe7 10.d3 e4 11.de4 de4 (worse is 11...Qe4 12.c4+=) 12.Nd4 Qe5 13.Ra2?? (better is 13.g3+=) 12…Qh2# 0–1. Neumann,Frank (1650) – Winiger,Albert (2340), RS–Pyramide remoteschach.de, 2008.

6.Nc3 Bd6 7.e3 e5 8.Be2 Nb6 9.a4 0-0 10.0-0 Qe7 11.d3 e4 12.Nd4 Qe5 13.g3 Bh3 14.Re1 Bb4 15.Bf1 Bg4 16.Qd2 h5 (16...Qh5 17.Ba3=+) 17.Bg2= Rfe8 18.h3 Bd7 19.Qe2 Rac8 20.Rab1 Rcd8 21.Kh1 Qg5 22.Red1 Bd6 23.Qf1 Rb8 24.Nb3 Bb4 25.de4 de4 26.Ne2 (26.Na2 Bd6=) 26...h4 27.Nd2 hg3 28.Ng3 Increases the pressure on e4 28...Be6 29.Ra1 Qh4 The backward pawn on h3 becomes a target 30.Bf6 (worse 30.Nde4 Ne4 31.Ne4 Bc4-/+; worse 30.Nge4 Ne4 31.Ne4 Bc4-/+) 30...Qf6 31.Nde4 (worse 31.Be4 Bc3 32.Ra3 Bd2 33.Rd2 Nc4-/+) 31...Qg6 32.c3 Bf8 33.Rd4 f5 34.Nd2 Bc5 35.Rd3 Bd6 36.Ne2 Bf7 37.Bf3 Qh7 38.Bg2 Kh8 (38...Qg6 39.Qb1+=) 39.Nf3+= Qh6 40.Qd1 Nd7 41.Rd4 Qf6 42.h4 (42.Nf4!?+=) 42...Nc5= 43.Ng5 Bb3 44.Qb1 g6 (44...Be5 45.Rd2=) 45.Nf4 Re7 46.Qg1 Kg7 47.Bf3 White plans h5 47...Bf4 48.Rf4 Rh8 49.Qg3 Qc3 50.Rg1 Qf6 (50...Ba4?? 51.Ne4 Rh6 52.Nc3+-) 51.h5 Rh6 52.Rh4 Qd6 53.Qg2 (53.Qh3 Qe5= (53...Ba4 54.hg6 Nd3 55.Rg2 Qg6 56.Kg1 Rh4 57.Qh4 Bb5 58.Bh5+-)) 53...b6 (53...Ba4 A) worse 54.Bb7 Nb7 55.Qb7 c5-/+ (55...Rh5?? 56.Rh5 Bb3 57.Qc8+-); B) 54.Qh3 Qd2 55.hg6+/-) 54.Rh3 (better 54.Nh3!? Qf6 55.Qg3=) 54...Nd3=+ (54...Ba4 55.hg6 Qg6 56.Qh2+-) 55.hg6 Rh3 56.Nh3 Re8 (56...Ba4!? 57.Qg5 Re8=+) 57.Qf1= Rh8 58.Rg3 Rh4 59.Kg2 Ne5 (59...Ra4 60.Qh1 Rh4 61.Qa1 Qe5 62.Qe5 Ne5 63.Nf4-/+) 60.Qa1 (better 60.Qb1!? Bd5 61.Ng5 Nf3 62.Nf3=) 60...Ra4=+ 61.Qb2 Bg8 (61...Rb4 62.Nf4=+) 62.Nf4= Ra2 (62...Rb4 63.Nh5 Kf8 64.Qc2 Ng6 65.Qf5 Bf7 66.Qg5=) 63.Qc1 (63.Qc3 Bc4+=) 63...Qc5 (63...Nf3 64.Rf3 Qc5 65.Qh1+-) 64.Qh1 (64.Nh5!? Kf8 65.Qc5 bc5 66.Rg5+/-) 64...Nf3 65.Nh5 (65.Rf3 c6 66.Qh4+-) 65...Kf8=+ 66.Rf3 Ra4?? (66...Bd5 67.g7 Kf7+-) 67.e4+- Re4 68.Nf6 Qc4 (68...Qd4 69.Qh8 Ke7 70.Ng8 Ke6 71.Qd4 Rd4 72.Re3 Re4 73.g7+-) 69.Qh6 Ke7 70.Ne4 fe4 (70...Qe4 71.Qg7 Kd6 72.Qg8 Qg4 73.Rg3 Qe4 74.Kh2 Qf4+-) 71.Qf8 Kd7 72.Rf7! Bf7 73.gf7 Qe6 74.Qg7 Qe7 75.f8Q Qg7 76.Qg7 Kc8 77.Qg4 Kd8 78.Qe4 a4 79.Qa4 Kd7 80.Qd4 Ke6 81.f4 Kf5 (81...Ke7 82.f5 Ke8 83.Qe4 Kf7 84.Qe6 Kg7 85.Qg6 Kf8 86.f6 c5 87.Qg7 Ke8 88.Qe7) 82.Qe5 Kg6 83.f5 Kf7 84.Kg3 c6 (84...Kf8 85.Qc7 Ke8 86.f6 Kf8 87.Qe7 Kg8 88.Qg7) 85.bc6 (85.bc6 Kf8 86.c7 Kf7 87.c8Q b5 88.Qce8; 85.Qe6 Kf8 86.f6 cb5 87.Qe7 Kg8 88.Qg7) 1-0. marekt – nzcricket, ChessWorld.net, 2021.

6.c4 dc4 7.e3 Nb6 8.Bd4 Nfd7 9.Qc2 c5 10.bc6 =.

6.d3 c5 7.Nbd2 Bd6 8.e4 d4 (8...Qc7 9.Be2=) 9.c3 (9.Nc4 Be7=) 9...dc3 10.Bc3 b6 (10...0-0 11.Nc4 Bc7 12.Be2=) 11.Nc4 (11.Qc2 Bf4=) 11...Bc7 12.Be2 Bb7 13.0-0 0-0 14.Nfd2 (14.Qc2 Qe7=) 14...e5 15.Nf3 Qe7 16.Rb1 (16.Nh4 Qe6=) 16...Rfd8 (16...Rad8 17.Rc1=) 17.Qc2 h6 (17...Bc8 18.Bb2=) 18.Rfc1 Nh7 (18...Qe6 19.Bb2=) 19.Qb2 (19.Qd2 Nhf6=) 19...Re8 20.Nfd2 Nhf6 21.Ne3 Nf8 22.f4 Ng6 23.g3 Rac8 24.Nf5+= Qe6 25.Nh6 gh6 26.f5 Qe7 27.fg6 fg6 28.Nc4 Rcd8 29.Rf1 Nd7 30.Rf2 Rf8 31.Rbf1 Rf2 32.Rf2 Kh7 33.Rf1 Re8 34.Bg4 Nf6 35.Bh3 Kg7 36.a4 Nh7 37.Bg4 Nf6 38.Bd1 Bc8 39.Kg2 Qe6 40.Bb3 Qe7 41.Rf2 Bb7 42.h3 Bc8 43.g4 Bb7 44.Bd2 g5 45.Bc3+/– Kg6 46.Rf3 h5 47.Ne3 Rf8 48.Nf5 Qe8 49.Qc1 hg4 50.hg4 Rh8 51.Kg1 Rh7 52.Qf1+/– Qh8 53.Qg2 Bb8 54.Bd2 Bc8 55.Bc4 Bc7 56.Rf1 Bb8 57.Be1 Bb7 58.Bf2 Ng4?? 59.Be1 Nf6+/– 60.Bd2 g4 61.Bc1?? Bc7 62.Rf2 (62.Ne7 Re7 63.Rf6 Kf6 64.Qf2 Kg7+–) ½–½. Rosner,Dirk – Hausmann, BdF, 1999.

6.d3 c6 7.Nc3 Qc7 (7...Qb6 8.Rb1=) 8.g3= e5 9.Bg2 Bd6 10.bc6 bc6 11.0-0 a4 12.Rb1 0-0 13.e4 d4 14.Na2 c5 15.c3 Re8 16.Re1 Ba6 (16...Bb7 17.Qd2=+) 17.Re2 (17.cd4 cd4 18.Nb4 Bb4 19.ab4 Bb5 20.Bd4 ed4-/+) 17...Reb8 (17...c4 18.cd4 cd3 19.Re1=) 18.c4 (18.cd4 cd4 19.Rc2 Qa5-/+) 18...h6 (18...Rb6 19.Ba1=+) 19.Ba1 Rb1 20.Qb1 Bc8 (20...Bb7 21.Rb2 Bc6 22.Nc1=+) 21.Rb2 Ng4 22.Nc1 Nb8 23.Nh4 Nc6 24.Qc2 g6 25.Qd1 Nf6 26.Nf3 (26.Ne2 Kg7=+) 26...Bf8 27.Ne2 Kg7 28.Rb1 Qa7 29.Qf1 Bd6 30.Nd2 Bc7 31.Bh3 Ng4 32.Rb2 ½–½. marekt (2130) – acalado58 (2015), gameknot.com, 2015.

6.d3 Bd6 7.e4 e5 8.ed5 Nd5 9.Nbd2 0-0 10.Ne4 =.

6.d4 Nb6 7.e3 Bd6 8.Bd3 0-0 9.0-0 Na4 10.Bc1 c5 (10...Bd7 11.c4 dc4 12.Bc4=) 11.c4 (11.bc6 bc6 12.c4 dc4 13.Bh7 Nh7 14.Qa4 c5 15.dc5 Bc5+=) 11...Nb6 (11...dc4 12.Bh7 Kh7 13.Qa4 cd4 14.Qc4 de3 15.Be3=) 12.Nbd2 (12.dc5!? Bc5 13.cd5 Qd5 14.Qc2+=) 12...cd4= 13.ed4 (worse 13.Nd4 e5 14.N4b3 e4-/+) 13...dc4 14.Nc4 Nc4 15.Bc4 Qc7 (15...b6 16.Ne5=) 16.Qe2 b6 17.Bb2 (17.Bg5 Bb7 18.Rfc1 Bf4 19.Bf4 Qf4=) 17...Bb7 18.Ne5 Nd5 19.Rfc1 Qe7 20.Qg4 f5 (20...Rac8!?=) 21.Qg3+= f4 22.Qh3 Be5 23.de5 f3 24.g3 Rad8 25.a4 Rf5 (25...Qe8+=) 26.Ba3 (better 26.Bd4!?+/-) 26...Qg5= 27.Bd5 Bd5 (27...Rd5? 28.Rc7 Qd8 29.Rb7 Rfe5 30.Qf1+-; 27...ed5 28.Rc7 Rf7 29.Rf7 Kf7 30.e6 Kg6 31.e7+-) 28.Bd6 Re8 (28...Rf7 29.Qf1=) 29.Rc3 Qd2 30.Rac1 (30.Rc7 Qd4 31.Qf1 Rd8= (worse 31...Re5 32.Rd1 Qe4 33.Be5 Qe5 34.Rd7+/-)) 30...h6 (30...Qd4 31.Ra3=+) 31.Qf1 (31.Qg4!? Bb3 32.Qe4+=) 31...Qd4= 32.Qd1 Qg4 33.Bc7 Rh5 34.Qf1 (34.Bb6?? Qh3 35.Qf3 Bf3 36.Rf3 Qh2 37.Kf1 Qh1 38.Ke2 Qc1-+) 34...Rh3 (34...Qa4 35.Bb6 Re5 36.Ra1=) 35.Kh1 Rf8 (35...Rh5 36.Bb6 Re5 37.Ra3=) 36.Bb6+= Rf5 37.Rc8 Kh7 38.Bd8?? (38.R8c5 Rfh5 39.Kg1 Rh2 40.Qd3 Qf5 41.Qf5 ef5 42.Rd5 Rh1) 38...Qg3 39.Qg1 (39.Qh3 Qf2 40.R8c3 Qe2 41.Qf5 ef5 42.Rg1 f2 43.Rf3 Qf3 44.Rg2 f1Q) 39...Qg2 (39...Rh2! 40.Qh2 Rh5 41.Bh4 Rh4 42.Rh8 Kg6 43.Rh6 gh6 44.fg3 f2) 40.Qg2= fg2 41.Kg1 Rfh5 42.f3 (better 42.R1c3!?=) 42...Rh2 43.Bb6? (better 43.Kf2 Re5 44.Ba5-/+) 43...Bf3-+ 44.R8c3 Bd5 45.Be3 (45.Rc7-+) 45...Rh1 46.Kf2 Rf5 (better 46...Rf1 47.Ke2 Re5 48.Rf1 Re3 49.Kf2 gf1Q 50.Kf1 Rc3 51.Ke2-+) 47.Ke2 Rff1 (better 47...Re5 48.Kd3 Re3 49.Ke3-+) 48.Kd2 g1Q 49.Bg1 Rhg1 50.Rf1 Rf1 0-1. Davainis,M (2105) - Krzywda,A (2190), 26th Abu Dhabi Masters, 2019. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 a5 5.b5 Nbd7)

6.d4 Nb6 7.Ne5 Bd7 8.e3 Bd6 9.c4 dc4 10.Nc4 Nc4 11.Bc4 c6 12.Qe2 0-0 13.Nc3 e5 14.bc6 bc6 15.de5 Be5 16.Na4 Qe7 17.Be5 Qe5 18.Qb2 (better is 18.0-0!?=) 18...Qe4-/+ 19.Bb3 (19.Qe2!? Qg2 20.Qf1-/+) 19...Rab8–+ 20.0-0-0 c5 21.Qc2 Rb3! 22.Nc5 (22.Qb3 Ba4 Remove defender) 22...Qe7 (better is 22...Qc2 23.Kc2 Rb5 24.Nd7 Rc8 25.Kd3 Nd7–+) 23.Rd7-/+ Nd7 24.Nb3 a4 25.Nd4 Qa3 26.Kd2 Nb6 27.Rc1 h6 28.Qc5 Qb2 29.Rc2 Qb1 30.Rc1 Qg6 31.Qc6 a3 32.Ra1 Rc8 33.Qg6+/– fg6 34.Kd3 Ra8 35.Kc3 a2+= 36.Kb3 Nd7 37.Kb4 Ne5= 38.Kc3 Ng4 39.f3 Ne3-/+ 40.Kb3 Ng2 41.Ra2 Ra2 42.Ka2 Kf7 43.Kb3 Kf6 44.Kc4 Ke5 45.Kc5 g5 46.Kc4 g6 47.Nc6 Kf4–+ 48.Kd5 Nh4 49.Ne5 h5 50.Ke6 Nf3 51.Ng6 Kg4 52.Kf6 h4 53.Ke6 Nh2 54.Ne5 Kg3 55.Kf5 Nf3 56.Nc4 h3 57.Ne3 h2 58.Nf1 Kg2 59.Nh2 Kh2 (59...Kh2 60.Kg4 Kg2–+; 59...Nh2?! 60.Kg5=) 0–1. Skalicka,K – Salas Romo,J, Buenos Aires, 1939. (=1.Nf3 Nf6 2.b4 e6 3.a3 a5 4.b5 d5 5.Bb2 Nbd7)

6.d4 c5 7.dc5 Bc5 8.e3 Qc7 9.Nbd2 0-0 10.c4 =.

6.d4 Bd6 7.c4 =.

6.e3 (--> 4.a3 Nbd7 5.e3 a5 6.b5).

6.e3 c5 7.c4 (--> 4.a3 a5 5.b5 c5 6.e3 Nbd7 7.c4).

6.g3 Bd6 7.Bg2 0-0 8.0-0 e5 9.a4 h6 10.d3 c6 11.Nbd2 Qc7 12.c4 d4 13.Qc2 Re8 14.Rae1 (14.bc6 bc6 (worse is 14...Qc6 15.Ne5 Qb6 16.Nef3+–) 15.e3 de3 16.fe3 Rb8=) 14...cb5+= 15.ab5 a4 The passed pawn on a4 will become decisive later 16.Ra1 Nb6 17.Ba3 Ba3 18.Ra3 Bg4 19.h3 Bf5 20.Rc1 Qc5 21.Qb2 Re7 22.Ne1 Ne8 23.Nc2 Nd6 24.e3 de3 25.Ne3 Be6 26.g4 Rc7 27.Re1 Re8 28.Raa1 f6 29.Nb1 Ra8 30.Nc3 a3 31.Qb3 Rf7 (31...Bf7 32.Nb1=) 32.Ne4 (32.Nb1 a2 33.Nc3 Ra3+=) 32...Ne4= 33.Be4 h5 34.Ra2 hg4 35.hg4 (worse is 35.Ng4 f5 36.Bd5 Nd5 (36...fg4 37.Be6 gh3 38.Re3+–) 37.Ne5 Re7-/+) 35...g6 36.Bg6 Rg7 37.Be4 Bg4 38.Ng4 Rg4 39.Kf1 Ra7 40.Qd1 Rg7 (40...Rf4 41.Qh5 Kf8 42.Bb7+/–) 41.Qh5 Ra8 (41...Kf8 42.Bg6 Qe7 43.Rea1+=) 42.Ke2+/– (42.Ke2 Qb4 43.Qf3+/–) 1–0. Woelfelschneider,Peter – Scholz, 2009.

6.c4 c5 7.e3 0-0 8.Be2 Nbd7 9.d3 dc4 10.dc4 Ne4 11.Qc2 Bf6 12.Nc3 Nc3 13.Bc3 Bc3 14.Qc3 Qc7 15.Rd1 b6 16.Ng5 Nf6 17.Bf3 Bb7 18.Ke2 (18.0-0 Bf3 19.Nf3 Rfd8=) 18...h6 19.Nh3 Rad8 20.Bb7 Qb7 21.f3 Qc7 22.Nf2 Rd1 23.Nd1 Rd8 24.Nb2 Rd6 25.Na4 (25.Nd3 Nd7=) 25...Qd8+= 26.Qc2 Nd7 (26...Nh5 27.Rd1=) 27.Rd1= Ne5 28.Rd6 Qd6 29.f4 Ng4 30.Qd3 Qc7 31.Qe4 Nh2 32.Qa8 Kh7 33.Qc6 Qe7 34.Nb6 Qf6 35.Qe4 g6 36.Qe5 Qh4 37.Nd7 Ng4 38.Nf8 Kg8 39.Qc5 Qf2 40.Kd3 Qb2 41.e4 Nf2 42.Ke3 Nd1 43.Kf3 Qc3 44.Ke2 Qc2 45.Kf1 Qd3 46.Kg1 Ne3 47.Kh2 Qe2 48.Qe3–+ Qe3 49.Nd7 Qf4 (49...Qf4 50.Kg1 Qd2 51.Nf6 Kg7 52.Ne8 Kf8–+) 0–1. Lachmann,Hans Georg – Bilo,Heinz, OWL–ch Buende, 1963. (=1.Nf3 Nf6 2.b4 e6 3.a3 a5 4.b5 d5 5.Bb2 Be7)

6.d4 0-0 7.e3 b6 8.Bd3 Bb7 9.0-0 Ne4 10.c4 dc4 11.Bc4 Nd7 (11...c6 12.Nc3 Nc3 13.Bc3 cb5 14.Bb5=) 12.Nbd2 Ndf6 (12...Nd2 13.Nd2 Rc8 14.e4=) 13.Rc1 (13.Ne4 Be4 14.Ne5 Bd6+=) 13...Bd6 (13...Nd2 14.Nd2 Rc8 15.Qe2=) 14.Qc2 (14.Ne4 Ne4 15.Qc2 Qe7+=) 14...Qe7 15.a4 Nd2 16.Nd2 e5 (16...Rac8!?=) 17.de5+= Be5 18.Be5 Qe5 19.Qc3 (19.Be2!? Rac8 20.Nf3+=) 19...Qg5= 20.f3 Rfe8 21.e4 Rad8 22.Rfd1 Nh5 (22...c5 23.Bf1=) 23.Nf1+= Nf4 24.Qc2 (24.Ng3 Bc8+=) 24...Rd1= 25.Rd1 Ng2 26.Qg2 (26.Bf7!? Kf7 27.Qg2 (27.Qc7? Kg8 28.Ng3 Nf4-+) 27...Qc5 28.Qf2 Qg5 29.Ng3=) 26...Qc5-/+ 27.Kh1 (27.Qf2 Qc4 28.Qd4 Qb3-/+) 27...Qc4 28.Rd7? (better 28.Qb2-/+) 28...Bc8-+ (28...Qa4?! 29.Qb2 Qc4 30.Ne3-/+) 29.Rd5 Qa4 30.Qd2? (30.Qb2 c5 31.bc6 Qc6 32.Rb5-+) 30...Be6 31.Rd8 Qb5 32.Re8 (32.Ng3 h6 33.Rd3 c5-+) 32...Qe8 33.Qc3 c5 34.f4 Qc6 35.Ng3 White prepares the advance f5 35...f5 36.Qe5 (36.Kg1 fe4 37.Qe5 Qd5 38.Qb8 Kf7 39.Qc7 Kf8-+) 36...fe4 37.f5 (37.Kg1 Qd5 38.Qb8 Kf7 39.Qc7 Kf6 40.Qb6 Qd1 41.Kf2 Qd2 42.Kg1 Qd4 43.Kg2 Kf7 44.Qa5 e3-+) 37...e3 (37...Bc8!? 38.Kg1 Bb7 39.Kf1-+) 38.Kg1 Bf7 39.Qe3 c4 40.Qe5 c3 41.Ne2 c2 42.Nc1 Qc5 (42...b5 43.Kf2-+) 43.Qc5 bc5 44.Kf2 a4 45.Ke3 a3 46.Kd2 a2 47.Na2 Ba2 48.Kc2 Bd5 49.Kc3 (49.Kd3 Kf7 50.Ke3 Kf6-+) 49...Kf7 50.Kd3 Kf6 51.Ke3 Kf5 0-1. Frq123 (2170) - ItalianMachine (2210), Rated Blitz game, lichess.org, 2015.

6.e3 0-0 7.d4 c6 8.a4 Nbd7 9.c4 dc4 10.Bc4 Ne4 (better 10...Nb6!? 11.Bd3 cb5 12.Bb5 Bb4 13.Nbd2 Ne4=+) 11.0-0+= Ndf6 12.Nbd2 Nd2 13.Nd2 (13.Qd2 cb5 14.Bb5 Bd7+=) 13...cb5 14.ab5 (14.Bb5 Bd7 15.Bd3 Rc8+=) 14...b6= 15.e4 Bb7 16.f3 Rc8 17.Qe2 Bb4 18.Rfd1 (18.Rfc1 Qe7=) 18...Qe7 (better 18...Nh5!? 19.Ra4 Qg5-/+) 19.Bd3 Rfd8 20.Nc4 Nh5 (20...Nd7!?+=) 21.g3+/- Qg5 22.Nb6 Nf4 23.Qf1 Nd3 (23...Rc3 24.Na4 Rd3 25.Rd3 Nd3 26.Qd3+/-) 24.Qd3 (24.Rd3?! Rb8 25.e5 Bd5=) 24...f5?? (better 24...Rb8 25.Bc1 Qh5+/-) 25.Nc8+- Rc8 26.d5 (better 26.Rac1!? Rc1 27.Rc1 fe4 28.fe4 Qg6+-) 26...fe4 27.fe4 ed5 28.ed5?? (better 28.e5+-) 28...Bc5= 29.Kg2 Rf8 30.Rd2 Rf5 31.Qc3?? (better 31.Rad1 Bd5 32.Qd5 Rd5 33.Rd5=) 31...Rd5-+ 32.Rd5 (32.Qg7 Qg7 33.Bg7 Rd2 34.Kf1 Kg7 35.Rc1 Bg2 36.Ke1-+) 32...Qd5 33.Kf1 Qh1 (33...Qg2 34.Ke1 Bb4 35.Qb4 ab4-+) 34.Ke2-/+ Qh2 (better 34...Qg2!? 35.Kd1 Bf3 36.Kc1 Qf1 37.Kc2 Be4 38.Kd2 Qg2 39.Kd1 Qh1 40.Ke2 Qh2 41.Kd1 Qh5 42.Kc1 Qh1 43.Kd2 Qg2 44.Kd1 Bf3 45.Kc1 Qf1 46.Kc2 Qe2 47.Kb1 Be4 48.Ka2 Bd5 49.Kb1 Qe4 50.Qc2 Qh1 51.Qc1 Be4 52.Ka2 Qf3 53.Qc5 Bd5 54.Kb1 Qf5 55.Qc2 Be4 56.Qe4 Qe4 57.Kc1 Qc4 58.Kb1 Qb5-+) 35.Kd1 (35.Kd3 Qg3 36.Kc4 Bf3+/-) 35...Qh1 36.Kc2 Be4? (better 36...Qe4!? 37.Qd3 Qe6+=) 37.Kb3+/- Bd5 38.Ka4 Qe4 39.Ka5 Bf8 (39...Qe7 40.b6 Qf8+/-) 40.Re1 Qg6 41.Qd4 (41.Ba3 Ba3 42.Qa3 h6+-) 41...Qf7 42.Re5 (better 42.Re3 Bb3+-) 42...Be6? (42...Bg2 43.Bc3 Qa2 44.Qa4 Qf7+-) 43.Qe3 (43.b6 Bc8 44.Qd5 Bb7 45.Qf7 Kf7+-) 43...Bg4?? (43...Qc7 44.b6 Qc8+-) 44.Re8+- Bh5 45.Rf8 (better 45.Qe6 Qe6 46.Re6+-) 45...Qf8+= 46.Qe5 Qa8 47.Kb4 Qf8 48.Kb3 Qf7 49.Kc2 (49.Ka4 Bf3+=) 49...Bg6 50.Kc3 Qf2 51.Kb4 Qf6 (51...Qf8 52.Kc4+=) 52.Kc5 1-0. cinac (2175) - elrond (2125), Rated Blitz game, lichess.org, 2015. (=1.Nf3 A00: Irregular Openings 1...Nf6 2.b4 e6 3.a3 d5 4.Bb2 a5 5.b5 Be7)

6.e3 c5 7.c4 0-0 8.Be2 b6 9.0-0 Bb7 10.Qc2 Nbd7 11.Rd1 Qb8 12.cd5 ed5 13.d4 c4 14.Ne5 (14.Nc3 Re8=) 14...Rd8 (14...Bd6 15.Nf3=) 15.Nc6 Bc6 16.bc6 Nf8 17.Nc3 Qc7 18.e4 Qc6 19.ed5 Qd6 20.Bc4 Rac8 21.Qe2 Ng6 22.g3 Re8 (22...Bf8 23.Rac1+=) 23.Qd3 (23.Bb5 Red8+–) 23...Bf8 24.Re1 h5 (24...Re1 25.Re1 Qd7 26.Ba6+–) 25.Re8 Re8 26.Rc1 h4 27.Nb5 Qb8 (27...Qd7 28.d6! Rc8 29.a4+–) 28.d6!+– Kh8?? (28...Bd6 29.Qg6 Decoy) 29.Bf7 Rd8 (29...Nf4 30.gf4 Bd6 31.Be8 Bf4+–) 30.Qg6 Bd6 (30...hg3 31.d5 gf2 32.Kf1 Rd6+–) 31.d5 hg3 (31...Re8 32.Bf6 Re1 33.Re1 Qg8 34.Qh6 Qh7 35.Bg7) 32.Bf6 (32.Bf6 gh2 33.Kh1 gf6 34.Qh6) 1–0. Pierre – GuestSpoda, internet, 2020.

6.ab4 Bb4?? 7.Ra8+- Nc6 (7...Nbd7 8.Ne5+-) 8.Ra1 (better 8.Bf6!? gf6 9.Bb5 0-0+-) 8...0-0 9.Be2 Ne4 10.0-0 f5 11.c3 Bd6 12.d4 Qf6 13.c4 g5 (13...b6 14.Nc3+-) 14.c5 (14.Ba3 dc4 15.Bc4 g4 16.Bd6 Nd6+-) 14...g4 (14...Bc5 15.Ba3+-) 15.Nfd2 (15.cd6 gf3 16.Bf3 cd6+-) 15...Bh2 (15...Nc5 16.f4+- (16.dc5?! Qb2 17.Nb3 Bc5+-)) 16.Kh2 Qh4 17.Kg1 Rf6 (17...Nf2 18.Rf2 g3+-) 18.f3 (better 18.Ne4 Rh6 19.f3 fe4 20.fg4 Qh2 21.Kf2+-) 18...g3 19.Re1 Qh2 (19...Qh2 20.Kf1 Qh1) 0-1. alessandrocarvalhaes (1895) - lucagattafoni (1900), lichess.org, 2020.

6.Bb5 c6 7.Bd3 b3 (7...ba3 8.Na3 Bc5 9.0-0-/+) 8.0-0 (8.cb3!? Nbd7 9.0-0=) 8...bc2-/+ 9.Qc2 Bd6 10.Ng5 (10.Be5 Be5 11.Ne5 Nbd7 12.Nd7 Qd7-/+) 10...h6 (10...Bh2 11.Kh2 Ng4 12.Kg1 Qg5 13.f3-+) 11.Nf3-/+ e5 (11...Nbd7 12.Nc3-/+) 12.e4? (better 12.Be5!? Bg4 13.Bd6 Qd6 14.Nd4=) 12...d4-/+ 13.a4 Na6 14.Na3 Nb4 15.Qb1 Nd3 (15...Bg4!? 16.Be2 Ra4 17.Bd1 Bf3 18.Ba4 Be4 19.Bc2 Nc2 20.Nc2-+) 16.Qd3-/+ Qe7 (16...Be6 17.Nc4 Bc4 18.Qc4-/+) 17.Nc4 0-0 (17...Nd7 18.Rfb1-/+) 18.Nb6 (18.Bd4!? ed4 19.Nd6 Qd6 20.e5=+) 18...Ra6-/+ 19.a5 Bc7 20.Nc4 b5 (better 20...c5-/+) 21.ab6= Ra1 (21...Bb6!? 22.Nce5 Ra1 23.Ra1 c5=) 22.Ra1+/- (22.Ba1?! Bb8=) 22...Bd6 (22...Bb8 23.Ra5 c5 24.Ba3+/-) 23.Ba3 (23.Ra7 Qe6 24.b7 Bd7 25.Nfe5 c5 26.Nd6 Qd6+-) 23...Ba3 24.Na3 (24.Qa3 c5 25.Qa7+- (25.Nce5?! Ne4 26.Qa7 Qb7+=)) 24...c5 (24...Bg4 25.Nc4 Nd7 26.h3 Bf3 27.Qf3+= (worse 27.gf3 Qg5 28.Kh2 Qh4=+)) 25.Nc4 Be6 26.Nfe5 Bc4 (26...Ne4 27.Qe4 Bc4 28.Ra8+-) 27.Nc4+/- Rb8 (27...Ne4 28.Re1 f5 29.f3+-) 28.f3 (28.Qg3 Nd7 29.d3 Rb7+-) 28...g6 (28...Qe6 29.Rb1+/-) 29.Qa3 Qb7? (29...Kg7 30.Rb1+-) 30.d3 (better 30.Qc5 Nd7 31.Qd4 Nb6 32.Rb1+-) 30...Nd7 31.Nd6?? (better 31.Rb1+-) 31...Qc6= 32.Nc4 Nb6 (32...Qb7 33.Rb1+-) 33.Ne5 (33.Rb1 Nd7 34.Rb8 Nb8+=) 33...Qd6 34.f4 c4?? (34...Ra8!? 35.Qc1 Ra1 36.Qa1 Nd7 37.Qa8 Qf8 38.Qf8 Nf8+=) 35.dc4 (better 35.Qd6 Rb7 36.Qc6+-) 35...Nd7?? (better 35...Qa3 36.Ra3 f6+=) 36.Qd6 Ne5 (36...Ne5 37.Qb8 Kg7 38.Qe5 Kh7 39.Ra8 g5 40.Qf6 gf4 41.Qf7; 36...Rc8 37.Qd7 Rf8 38.Ra8 Kg7 39.Rf8 h5 40.Qf7 Kh6 41.Qg6). alessandrocarvalhaes (1920) - Musayevk (1925), lichess.org, 2020.

6.Bb5 c6 7.Be2 Nbd7 8.d4 (8.ab4 Ra1 9.Ba1 Bb4-/+) 8...ba3 (better is 8...b6-/+) 9.Bc3? (better is 9.Ba3 Bb4 10.c3-/+) 9...b5–+ 10.Ra2 b4 11.Ba1 Qa5 12.0-0 Ba6 13.Ba6 Qa6 (13...Ra6 14.c3–+) 14.c3 (14.Nbd2 Bd6–+) 14...Qc4 15.Qc2 (15.Re2–+) 15...b3 16.Qd2 (16.Qd1 ba2 17.Nbd2–+) 16…ba2 (17.Qc2 ab1B 18.Rb1 Bd6–+) 0–1. mic (2120) – dmendiola (2110), net–chess.com, 2005.

6.Be2 ba3 7.Na3 Nbd7 =+.

6.Be2 Nc6 7.0-0 Be7 8.ab4 Ra1 9.Ba1 Bb4 10.Bc3 Bd6 11.d4 Ne4 12.Bb2 0-0 13.c4 Qf6 14.Nbd2 b6 15.Ne4 de4 16.Nd2 Qh6 17.h3 f5 18.Qb3 Qg6 19.Ra1 f4 20.Ne4 Na5 21.Qd3 f3 22.Bf1 Nc4 23.Qc4 Qe4 24.g3 Bb7 25.Bd3 Qd5 26.Kh2 Qc4 27.Bc4 Bd5 28.Bd3 Ra8 29.Ra8 Ba8 30.h4 Kf7 31.h5 g6 32.hg6 hg6 33.Kh3 Bf8 34.Kg4 Bg7 35.Bc1 Bb7 36.Bc2 c5 37.dc5 bc5 38.e4 Bd4 39.Kf3 Ba6 40.g4 g5 41.Bg5 Bc4 42.Kg3 Ba2 43.Bc1 c4 44.f4 Bb3 45.Bb1 Ba1 46.g5 Bd4 47.f5 Be5 48.Kg4 c3 49.Bd3 Bd1 50.Kh4 ef5 51.ef5 c2 52.Bc4 Kg7 53.Kh3 Bf3 54.Bb3 Be4 55.Be6 Bf3 56.Bc4 Be4 57.Kg4 Kh7 58.Be6 ½–½. Kruimer,Wim (1700) – Reuter,Alfred (1700), TSC, 2002.

7.Ba1 c5 8.bc5= Bc5 9.Bd3 Nc6 10.0-0 0-0 11.Nc3 Nb4 (11...e5!? 12.Bb5 e4=+) 12.Be2= Ne4 13.Nb5 Qb6 14.Qb1 Nd6? (14...Bd7!? 15.Nbd4 Ra8=) 15.Qb2 (15.d4 Nb5 16.dc5 Qc5 17.Bb5 Qb5+-) 15...f6? (15...Ne8+=) 16.Nbd4?? (better 16.d4 Nb5 17.dc5 Qc5 18.Bb5 Qb5 19.Rb1+-) 16...e5= 17.Nb3 White fights for the Initiative 17...Na6 (17...Nc4 18.Bc4 dc4 19.Nc5 Qc5 20.d4 cd3 21.cd3=) 18.Nc5 (18.d4!? Bb4 19.de5+/-) 18...Qb2 19.Bb2 Nc5 20.Ba3 b6 (20...Nce4 21.Bb4 Rd8 22.d3+/-) 21.Rb1+/- Ndb7 (21...Nce4!?+/-) 22.Rb6 Bg4? (better 22...Rd8+-) 23.d4 e4 (23...Rc8 24.h3 Bh5 25.Kf1+-) 24.dc5 (24.Bc5?! Nc5 25.dc5 Ra8+-) 24...ef3 (24...Na5 25.Ra6 Nc4 26.Bc4 dc4 27.Nd4+-) 25.gf3 (25.Rb7?! fe2 26.Bb4 Bc8=; 25.Bf3 Bf3 26.c6 Na5 27.Bf8 Kf8 28.gf3 Ke7+-) 25...Nc5 26.Bc5 (26.fg4!? Rc8 27.Bb5 Ne4+-) 26…Rc8 1-0. mailbox (2120) - RichardSommer (2185), lichess.org, 2020.

7.Ba1 Nc6 8.Bb2 Bd7 (8...Nb4 9.Bb5 c6 10.Be2-/+) 9.Be2 (9.b5 Na7 10.Nc3 Bb4=) 9...h6 (9...Bb4 10.0-0-/+) 10.Rg1 (better 10.b5 Na7 11.Nc3=) 10...Ne5?? (better 10...Bb4 11.Na3 e5-/+) 11.Ne5+- h5 (11...Bb4 12.Bh5 0-0 13.Nd7 Nd7 14.Qg4+-) 12.h3 (12.b5!? Bd6+-) 12...Bb4 13.Nc6?? (better 13.Nd7 Kd7 14.c4+-) 13...Nh7?? (better 13...Bc6 14.Bf6 Qf6 15.Bh5 Ba4-+) 14.Bh5 (better 14.Nd8 Kd8 15.Bg7+-) 14...Nf8?? (better 14...bc6 15.Bg7 Rg8+/-) 15.Bf6 (15.Bf6 Qf6 16.Nb4+/-) 1-0. opperwezen (2690) - Claverie_Tramposo (2470), lichess.org, 2016.

7.Ba1 Bd6 8.c3 Qe7 9.d4 Nc6 (9...0-0 10.Bd3=+) 10.Nbd2 Bd7 11.Qb3 h6 12.Bd3 0-0 13.0-0 Ra8 14.b5 Na5 15.Qb2 b6 16.Re1 Qd8 17.e4 de4 18.Ne4 Ne4 19.Be4 Rb8 20.Bd3 Qf6 (20...c6 21.c4+=) 21.c4+/- Be7 22.Qc3 Ra8 23.Ne5 Be8 (23...Bc8 24.Be4 Nb7 25.Bb2+/-) 24.Qc2 Qg5 25.Bh7 Kh8 26.Be4 f5?? (better 26...Ra7+/-) 27.Ba8+- 1-0. alessandrocarvalhaes (1910) - GlazedGuava (1995), lichess.org, 2020.

8.c3 Bd6 9.d4 c5 10.Nbd2 cd4 11.cd4 Nc6 12.Bd3 0-0 13.0-0 Re8 14.Nb3 Qb6 15.Qc2 (15.Bc3 Bd7-/+) 15...Bd7 (15...Nb4 16.Qc3-/+) 16.Rb1 (better 16.Nc5 Qc7 17.Rb1=+) 16...Rc8?? (better 16...Nb4 17.Qd2 Nd3 18.Qd3 Qa6-+) 17.Nc5+= Qc7 (17...Qa7 18.Nd7 Nd7 19.Bh7 Kf8 20.Bd3+=) 18.Nb7 (18.Rb7 Qd8+/-) 18...Rb8 (18...Ba3!?=) 19.Nd6+= Rb1 20.Qb1 Qd6 21.Ne5 Nb4 (better 21...h6!?+=) 22.Nd7+/- Nd7 23.Bh7 Kh8 24.Bd3 (better 24.Bc3!? Na2 25.Be1+-) 24...Nd3+= 25.Qd3 Qb4 26.Qf1 Nb6 27.g4 Nc4 28.h4 (28.Qc1 Qe7+=) 28...Nd2 (better 28...Qd2=) 29.Qe1?? (29.Qd1 Nc4+=) 29...Qa5 (better 29...Nf3 30.Kg2 Ne1 31.Kg3 Qd6 32.Kh3 Qa6 33.Bb2 Qf1 34.Kg3 Qg2 35.Kf4 f6 36.e4 Qf2) 30.Qc1 (30.Kg2+/-) 30...Nb3? (better 30...Nf3 31.Kg2 Nh4 32.Kg3 g5=) 31.Qc8+/- Kh7 32.Bc3 (better 32.Qc2!? Kg8 33.Qb3 Qa1 34.Kg2+/-) 32...Qa2= 33.Kg2 Qb1 (33...Qe2 34.Qc7 Qg4 35.Qg3=) 34.g5 (34.Qb8!?+=) 34...Qe4=+ 35.f3 (better 35.Kg3!? Nc1 36.Qa6-/+) 35...Qe3-/+ 36.Kg3?? (better 36.Qc7 Kg6 37.f4-+) 36...Nd2 (better 36...Nc1 37.g6 Kg6-+) 37.Bd2= Qd2 38.h5?? (38.Qc7 Qe1 39.Kh3 Kg6=) 38...Qe1?? (38...Qg5!? 39.Kh3-+) 39.Kg4?? (39.Kg2 Qe3 40.Qc2 g6 41.hg6 Kg7 42.gf7 Qg5 43.Kf1 Qe3=) 39...Qe3?? (better 39...Qg1!? 40.Kh4 Qd4 41.Kg3 Qg1 42.Kh4 Qf2 43.Kg4 Qg2 44.Kf4 e5 45.Ke5 Qg5 46.Kd4 Qf4 47.Kd5 Qf3 48.Kd4 Qh5-+) 40.g6 (better 40.Qc2 Kg8 41.Qa4=) 40...Kh6?? (40...fg6 41.hg6 Kg6 42.Qe8 Kh7 43.f4 Qe2 44.Kg5 Qg2 45.Kh4-/+) 41.gf7 (41.Qh8) 41...Qd4?? (better 41...Qg5 42.Kh3 Qh5 43.Kg2 Qf7-/+) 42.Kg3 (42.Kg3 Qg1 43.Kh3 Qh1 44.Kg3 Qg1 45.Kh3 Qh1 46.Kg3 Qg1=) 1-0. alessandrocarvalhaes (1895) - Bakurinsky777 (1835), lichess.org, 2020.

8.c3 Be7 9.Qa4 Bd7 10.Qb3 b6 11.d4 0-0 12.Nbd2 c5 13.Be2 c4 14.Qc2 b5 15.0-0 b4 16.Rb1 (16.cb4!? Na6 17.Rb1-/+) 16...b3-+ 17.Qc1 Na6 (17...Nc6 18.Bb2-+) 18.Ne5 (better 18.Nb3!? Qc7 19.Nbd2=+) 18...Nc7-+ 19.Ndf3 (19.Bb2 Nb5-/+) 19...Nb5 20.Bb2 Qa8 (20...Qc7 21.Ra1-+) 21.h3 Qb7 22.g4 (22.Ng5 Qc7-+) 22...Ne4 23.h4 (23.Nd2 Nbd6-+) 23...Ra8 24.g5 (24.Ra1 Ra1 25.Qa1 Nec3-+) 24...f6 (better 24...Ba3!? 25.Ba3 Nec3 26.Rb2 Ne2 27.Re2 Ra3 28.h5-+) 25.gf6 gf6 26.Ng4 (26.Nd7 Qd7 27.Nd2 f5-+) 26...Kf7 (26...Ba3 27.Ra1 Bb2 28.Qb2 Ra1 29.Qa1 Nbc3 30.Nf6 Nf6 31.Qc3-+) 27.Kh2? (27.Nd2-+) 27...Bd6 28.Kg2 Na3 (better 28...h5 29.Nf6 Kf6 30.Nd2 Rg8 31.Kf1 Nd2 32.Qd2-+) 29.Ra1 Nc2 30.Rb1? (30.Ra8 Qa8 31.Bd1 Qh8-+) 30...Ba3 (better 30...h5 31.Nge5 fe5 32.de5-+) 31.Ngh2 (31.Ba3 Na3 32.Rb2-+) 31...Bb2 32.Qb2 Ra2 (better 32...Qc7 33.Ng4 Ra2 34.Qc1 Nc3 35.Ng1-+) 33.Qc1 (33.Qa2 ba2 34.Rb7-+) 33...Ra8 34.Qe1?? (34.Qb2 Qc7 35.Ng4-+) 34...Rg8 (better 34...Ne1 35.Ne1 Nc3 36.Bh5 Ke7 37.Rb2-+) 35.Kh1 (35.Ng5 Rg5 36.hg5 Ne1 37.Re1 b2 38.Bh5 Kg7 39.gf6 Kf6 40.Ng4 Ke7-+) 35...Qa6 (better 35...Ne1 36.Ng5 fg5-+) 36.Qf1 Qa2 37.Rd1 (37.Ng5 fg5 38.Rc1 Ne3 39.fe3 Ke7-+) 37...b2 38.Nd2 (38.Ng4 Rg4 39.Ne5 fe5 40.Bg4 Nc3-+) 38…Na3 (38...Na3 39.Ne4 de4-+) 0-1. alessandrocarvalhaes (1860) - gkoufaetos (1855), lichess.org, 2020.

8.c3 Be7 9.d4 0-0 10.Nbd2 c5 11.Bd3 Nc6 12.0-0 Qa5 (12...c4 13.Bc2-/+) 13.Nb3 Qa7 14.Nbd2 (14.c4!?=+) 14...c4-/+ 15.Bc2 b5 16.Qe2 b4 17.cb4 (17.Ne5 Bb7-/+) 17...Nb4-+ 18.Qd1 Nc2 19.Qc2 Bd7 20.Ne5 Ra8 21.h3 Be8 22.f3 (better 22.Rb1-+) 22...Qa1 (better 22...Bd6 23.Qc3 Rb8-+) 23.Ra1=+ Ra1 24.Kh2 (24.Kf2 Ra3 25.Nb1 Ba4=+) 24...Bd6 25.Nb1 g6 (25...Nd7 26.Qb2 Ra6 27.f4-/+) 26.Nc3 Nd7 27.f4 Be5 (27...Nb6!?=+) 28.fe5= Ra8 (28...f5!?=) 29.e4+/- Nb6 30.ed5 (30.Qb1!? Ra6 31.Nb5+-) 30...Nd5+= (30...ed5? 31.Qb1 Ra6 32.Qb4+-) 31.Nd5 ed5 32.Qc3 Bd7 33.Kg3 Be6 34.Kf4 Rb8 35.g3 (35.h4 Kg7=) 35...Rb3 (35...Bh3 36.g4 Bg2 37.Qg3-/+) 36.Qa5=+ h5 37.Qd8 Kg7 (37...Kh7 38.Qe7-/+) 38.Qf6 Kg8 (38...Kh7 39.Qe7-/+) 39.g4?? (better 39.Kg5 Kh7 40.Qf2=) 39...hg4?? (better 39...Rh3 40.gh5 Rh5-+ (40...gh5?! 41.Qg5 Kh7 42.Qh6 Kh6=)) 40.hg4 1-0. alessandrocarvalhaes (1910) - SaemichSystem (1870), lichess.org, 2020.

8.c3 Be7 9.d4 0-0 10.Nbd2 c5 11.Bd3 cd4 12.cd4 Nc6 13.Qb1 Re8 14.Ng5 h6 15.Nh7? (15.Ngf3 Nb4-/+) 15...Nh7 (15...Nd7!? 16.g4-+) 16.Bh7-/+ Kh8 17.Bd3 Bb4 18.0-0?? (better 18.Qc2-/+) 18...Bd2-+ 19.Qd1 Ba5 20.Qh5 Bc7 (20...Qf6 21.Rb1-+) 21.h4 (21.Qf7 e5 22.de5 Ne5 23.Be5 Be5 24.Qg6-+) 21...Qd6 22.f4 Qa3 (better 22...Kg8 23.Bb2-+) 23.Qf7 Rg8?? (better 23...Rd8 24.Qg6 Kg8-+) 24.Qg6+- Qd3 25.Qd3 Rf8 26.Qg6 (26.Rb1 Rf6+-) 26...Ne7 27.Qd3 Nf5?? (27...Nc6 28.h5 Rf6+-) 28.h5+- Ng3 29.Rf3 (better 29.Qa3!? Kg8 30.Rf2 Nf5+-) 29...Nh5 30.Rh3 Nf6 31.g3 (31.Qb5 Bd6+-) 31...Ne4 32.g4 e5 (better 32...Bd7!?+/-) 33.de5+- Bg4 34.Rh2 (34.Rh6 gh6 35.Qd5 Bd8+-) 34...Bb6 35.Bd4 (35.Kg2!? Be6+-) 35...Bd4 36.Qd4 Bf3 (36...Rc8 37.Qb2+- (37.Qd5?! Rc1 38.Kg2 Rc2 39.Kf1 Rc1 40.Kg2 Rc2 41.Kf1 Rc1 42.Kg2=)) 37.Qd5 (37.Rc2!? Ra8 38.Kh2 Kh7+-) 37...Rc8 38.Qe6?? (better 38.Rg2 Rc6 39.f5+-) 38…Rc1 0-1. alessandrocarvalhaes (1875) - sdmm (1990), lichess.org, 2020.

8.c4 Be7 9.cd5 ed5 10.Qa4 c6 11.d4 0-0 12.Nc3 Ne4 13.Ne4 de4 14.Ne5 Bf5 15.Bc4? (better 15.Be2-/+) 15...Bg6?? (better 15...b5 16.Bf7 Rf7 17.Nf7 Kf7-+ (17...ba4?! 18.Nd8 Bd8 19.Kd2-+)) 16.Qb3=+ Nd7 17.Ng6 hg6 18.Qb7 Nf6 (18...Qa5 19.Ke2 Nb6 20.Qe7 Nc4 21.Rd1-/+ (21.Qe4 Qa2 22.Kd3 Ra8-+)) 19.Qc6 (19.0-0+/-) 19...Bd6?? (better 19...Qa5 20.Ke2 Qg5=+) 20.Bb5?? (20.0-0 Qb8 21.g3 g5+-) 20...Bb8?? (better 20...Qa5 21.Bc3 Bb4-+) 21.0-0+- Qe7 22.Bc3 Ng4 23.h3 Qh4? (better 23...Bh2 24.Kh1 Bd6+-) 24.Qe4?? (better 24.Be1 Nh6 25.Bb4+-) 24...Bh2-+ 25.Kh1 Nf2 26.Rf2 Qe4 27.Kh2 Qb1 (27...Qb7!? 28.Bb4 Rc8 29.Bc5 Qb8 30.Kg1 Qb5 31.Rf1-+) 28.Be2?? (28.Bf1-+) 28...Qc2 (better 28...Qc1 29.Bb4 Rb8 30.Bd6-+) 29.Be1 Rc8 (29...Qc7 30.Kh1 Qc1 31.Rf1 Qe3 32.Bf3 Qd4 33.Bg3-+) 30.Kg1?? (30.Bg4 Qc7 31.Kg1 Qc1-+) 30...Rb8 (better 30...Qc1 31.Kf1 Qe3-+) 31.Rf1?? (31.Bf3 Qc1 32.Re2 Rb3-+) 31...Rb1 (better 31...Qe2 32.Bf2-+) 32.Rf2?? (better 32.Bg3-+) 32...Re1 33.Kh2 (33.Bf1 Qc3 34.Rf3-+) 33...Re2 34.Re2 Qe2 35.Kg3 Qe3 36.Kh2 Qd4 37.Kg3 f5 38.Kh2 g5 39.Kg3 (39.Kh1 Qd1 40.Kh2 f4 41.h4 g4 42.g3 Qe2 43.Kg1 f3 44.h5 Qg2) 39...f4 (39...Qf4) 40.Kh2 (40.Kf3 Qe3 41.Kg4 Kf7 42.Kg5 f3 43.Kg4 fg2 44.h4 g1Q 45.Kf5 Qg6) 40...Qe3 41.h4 (41.Kh1 Qg3 42.h4 gh4 43.Kg1 f3 44.Kf1 Qg2 45.Ke1 Qe2) 41...Qg3 (41...gh4 42.Kh1 Qg3 43.Kg1 f3 44.Kf1 Qg2 45.Ke1 Qe2) 42.Kg1 (42.Kh1 gh4 43.Kg1 f3 44.Kf1 Qg2 45.Ke1 Qe2) 42...gh4 (42...f3 43.Kf1 Qg2 44.Ke1 Qe2) 43.Kf1 h3 44.Ke2 Qg2 (44...hg2 45.Kd2 g1Q 46.Kc2 Q1f2 47.Kd1 Qgg1) 45.Kd3 h2 46.Kd4 (46.Kc4 h1Q 47.Kb5 Qd5 48.Kb4 Qhf3 49.Ka4 Qfb3) 46...h1Q 47.Ke5 (47.Kc3 Qc6 48.Kb4 Qhf3 49.Ka5 Qfc3) 47...Qe4 (47...Qd5 48.Kf4 Qhf3) 48.Kd6 Qd1 (48...Qc6 49.Ke5 Qhe4) 49.Kc7 Qdd5 50.Kb8 (50.Kb6 Qe7 51.Ka6 Qeb7) 50...Qec4 (50...Qb7) 51.Ka7 Qdb5 52.Ka8 Qca4 (52...Qa2) 0-1. TimC (2375) - Fasttt (2320), Rated Bullet game, lichess.org, 2015.

8.Bf6 gf6 9.c3=+ Be7 10.d4 c5 11.Nbd2 cd4 12.cd4 Bd7 13.Bb5?? (better 13.Qb1=+) 13...Bb5-+ 14.Qb3 Qa5 15.Qc2 (15.Qb2 Nc6 16.Kd1 Qa6-+) 15...Bb4 (better 15...Nc6 16.Qb1 Nb4-+) 16.Qc8 (16.Rg1-+) 16...Ke7 17.Qh8 (17.Qc1 Rc8! 18.Qd1-+) 17...Bd2 (17...Qa1) 18.Nd2 Qa1 19.Nb1 Qb1 20.Kd2 Qh1 (20...Qb2 21.Kd1 Be2 22.Ke1 Bd3 23.Qf6 Kf6 24.Kd1 Qc2 25.Ke1 Qe2) 21.Qb8-+ Qg2 (21...Bd7 22.Qb7 Qh2 (22...Qg2?! 23.Qb4 Ke8 24.Qb8 Bc8 25.Qc8 Ke7 26.Qc5 Kd7 27.Qb5 Kd8 28.Qb6 Ke8 29.Qb8 Ke7 30.Qb4 Kd7 31.Qb5 Kc7 32.Qc5 Kb7 33.Qe7 Ka6 34.Qf6=) 23.Qb4 Ke8-+) 22.Qb7 Bd7?? (better 22...Kf8 23.Qb5 Qf2 24.Qe2 Qe2 25.Ke2 e5-+) 23.Qb4= Ke8 24.Ke2?? (24.Qb8 Bc8 25.Qc8 Ke7 26.Qc5 Kd7 27.Qb5 Kd8 28.Qb6 Ke8 29.Qb8 Ke7 30.Qb4 Kd7 31.Qb5 Kc7 32.Qc5 Kb7 33.Qe7 Ka6 34.Qf6 Qh2 35.Qf7 Qh3=) 24...Qh3 (better 24...Qh2 25.Qb7 h5-+) 25.Qb8= Ke7 26.Qb4 Kd8 27.Qf8?? (better 27.Qb6 Kc8 28.Qa6 Kc7 29.Qa7 Kc6 30.Qa6 Kc7 31.Qa7 Kc6 32.Qa6 Kc7=) 27...Kc7-+ 28.Qc5 Bc6 29.Qe7 Kb6 30.Qb4 (30.Qc5 Kb7 31.Qe7 Kc8-+) 30...Bb5 31.Ke1 (31.Kd2 Qh2 32.Qc5 Ka6 33.Qc8 Ka7 34.Qc5 Ka8 35.Qb5 Qf2 36.Kd1 Qg1 37.Kd2 Qg2 38.Ke1-+) 31...Qf3 (better 31...Qf1 32.Kd2 Qf2 33.Kd1 Qe2 34.Kc1 Qe3 35.Qd2 Qa3 36.Qb2 Qb2 37.Kb2 f5-+) 32.Qc5= Ka6 33.Qd6 (33.Qc8 Ka5 34.Qc3 Ka4 35.Qa1 Kb3 36.Qb1 Kc3 37.Qa1 Kc4 38.Qa2 Kb4 39.Qb2 Kc4 40.Qc2 Kb4 41.Qb2 Kc4 42.Qc2 Kb4 43.Qb2=) 33...Ka5 (33...Kb7 34.Qe7 Kc8 35.Qc5 Kd8 36.Qb6 Ke8 37.Qb5 Kf8 38.Qb8 Kg7 39.Qd6-/+) 34.Qa3 (34.Qc7 Kb4 35.Qc5 Ka4 36.Qc2 Ka3 37.Qc3 Ka2 38.Qc2 Ka1 39.Qc1 Ka2 40.Qc2 Ka3 41.Qc3 Ka4 42.Qc2 Kb4 43.Qc5 Kb3 44.Qb5 Kc3 45.Qa5 Kb3 46.Qb5 Kc3 47.Qa5 Kb3 48.Qb5=) 34...Kb6 35.Qd6?? (35.Qc5 Kb7 36.Qb5 Kc7=) 35...Ka5 (better 35...Bc6!? 36.Qb8 Bb7 37.Qd6 Ka7 38.Qc5 Kb8 39.Qd6 Kc8 40.Qf8 Kc7 41.Qf7 Kb6 42.Qe6 Ka7-+) 36.Qa3=+ Kb6 (36...Ba4 37.Qc5 Ka6 38.Qd6 Kb7 39.Qb4 Kc7 40.Qa5 Kd6 41.Qb4 Kd7 42.Qb7 Kd8 43.Qb8 Ke7 44.Qb4 Ke8 45.Qb8 Ke7 46.Qb4 Kd7 47.Qb7 Kd6 48.Qb4 Kc6 49.Qc5 Kd7 50.Qa7 Kd6 51.Qc5 Kd7 52.Qa7 Kc8 53.Qa8 Kd7 54.Qb7=) 37.Qc5 Ka5 38.Qa3 ½-½. alessandrocarvalhaes (1795) - Achchar (1890), lichess.org, 2020.

6.a4 Be7 7.e3 0-0 8.c4 Nbd7 9.d4 Nb6 10.Nbd2 cd4 11.Bd4 dc4 12.Be2 Bb4 13.0-0 c3 14.Nb3 Nbd5 15.Qc2 b6 16.Rfd1 Qc7 17.Be5 Qe7 18.Nfd4 Bb7 19.g4 Nd7 20.Bg3 Rfc8 21.Bd3 Nf8 22.h4 Bd6 23.Bd6 Qd6 24.Nc6 Bc6 25.bc6 Qc6 26.Nd4 Qc5 27.Be4 Nb4 28.Qe2 Rab8 29.h5 Qe5 30.Qf3 c2 31.Rdc1 Rc4 32.Kg2 Rbc8 33.Kh3 R8c5 34.Qg2 Rd4 35.ed4 Rc3 36.Kh4 Qf6 0–1. Salama,Samir – Abdel Aziz,Mahmoud, 2000.

6.e3 Bd6 7.c4 0-0 8.Nc3 Nbd7 9.d4 cd4 10.Nd4 Qc7 11.cd5+= Bb4?? 12.ab4+– (12...Nd5 13.Nd5 ed5 14.ba5 Ra5 15.Nf5 Ra1 16.Qa1+– (< 16.Ba1 Nb8 17.Nd4 Qa5 18.Ke2 Bg4 19.f3 Qa2 20.Ke1 Be6+–)) 1–0. Raanby,Hans – Zschalich,A, corr SOK–90–59, 1990.

6.d3 0-0 7.c4 c6 8.Qa4 Qc7 9.bc6 bc6 10.Bf6 gf6 11.Nc3 Bd7 12.e3 Na6 13.d4 c5 14.Qd1 dc4 15.d5 Be5 16.Ne5 Qe5 17.Rc1 ed5 18.Nd5 Be6 19.Nf4 Rfd8 20.Qc2 Rab8 21.Bc4 Rb2 22.Qa4 Bc4 23.Qc4 Rdd2 24.Qa6 Rf2= 25.Qc8 Kg7 26.Qg4 Kf8 27.Qh3 Rf4?? 28.Qh6+– 1–0. guest449 – guest1286, ICC, 2003.

6.e3 Nbd7 7.c4 dc4 8.Bc4 h5 9.d3 Nb6 10.Nbd2 Bd7 11.e4 Bf4 12.0-0 h4 13.a4 c6 14.e5 Ng4 15.Ne4 Qc7 16.Nd6 Kf8 17.Qe2 Nc4 18.dc4+– f6 19.h3 Be5 20.Ne5 Ne5 21.Be5 fe5 22.Qf3 Kg8 23.Qf7 Kh7 24.Ne4 Kh6 25.Rad1 Rad8 26.b6! (26...Qc8 27.Qe7+–) 1–0. mrkt – smirf, myChess.de, 2005.

5.Nc3 c5 6.bc5 Bc5 7.e3 0-0 8.d4 Bd6 9.Bd3 b6 10.a4 Qc7 11.0-0 Nbd7 12.Ba3 Ne8 13.Qd2 h6 14.e4 Ba3 15.Ra3 de4 16.Ne4 Bb7 17.Rc3 Qb8 18.Re1 Nef6 19.Nf6 Nf6 20.Ne5 Qd6 21.Rb3 Kh8 22.Qb4 Qd5 23.f3 Nd7?? 24.Be4+– a5 25.Bd5 ab4 26.Bb7 Rad8 27.Rb4 Nf6 28.c3 Rd6 29.Reb1 Nd5 30.Nc4 Nb4 31.Nd6 Na2 32.Rb6 Nc3 33.a5 Ne2 34.Kf2 Nd4 35.a6 Rb8 36.a7 1–0. Seckler,Siggi – Zuber,Martin, RSS5D easy–1, 2003.

5.d4 Be7 6.e3 =.

5.d4 g6 6.e3+= Bg7 (6...Bd6 7.Bd3+=) 7.Nbd2 (7.Bd3 a5+=) 7...Nbd7 (7...Bd7 8.Bd3+=) 8.c4 (8.Be2 a5+=) 8...dc4 (8...0-0 9.Bd3+=) 9.Bc4 Nb6 10.Bb3 Bd7 (10...a5 11.ba5 Ra5 12.Qc2+=) 11.0-0 (11.Ne5 Ra7+=) 11...0-0 12.Rc1 (12.Qc2 a5+=) 12...a5 13.ba5 Ra5 14.Nc4 Nc4 15.Bc4 (< 15.Rc4 Bb5-/+) 15...Ne4 (15...Bc6 16.Ne5 Be4 17.f3+=) 16.Bd3 Bc6? (16...Nc5+=) 17.Qc2?? (better is 17.Rc6 bc6 18.Be4+–) 17...Nd6 18.Nd2 Re8 19.Nb3 Ra8 20.Nc5 Rc8 21.Ne4 Bd5 22.Nc3 Bc6 23.a4 Qg5 24.Ne4 Qd5 25.f3 Nf5 26.Rce1 Red8 27.Bc4 Qd7 28.Nc5 Qe8 29.Qb3 Bd5 30.Bd5= Rd5 31.Ba3 Nd4 32.Qb7?? Nc2–+ 33.Qb3 Ne1 34.Re1 Bf8 35.Ne4 Bg7?? 36.Qc2?? Qd8 37.Bb2 Qf8 38.g4 Bb2 39.Qb2-/+ Qg7 40.Nf6 Kf8 41.Qb4 c5-/+ 42.Qb7 Qf6 43.Qc8 Kg7 44.Kf2?? Qh4 45.Kf1 Qh2 46.Qa6–+ Rd2 47.Re2 Rd1 48.Re1 Qh1 (49.Kf2 Qe1 50.Kg2 Rd2 51.Kh3 Qh1 52.Kg3 Qh2) 0–1. Krc,Milan – Navratilova,Alena, Brno Duras op–B, 2004.

5.e3 b5 6.d3 c5 7.c3 (7.bc5 Bc5 8.c4 bc4 9.dc4 Bb7=) 7...Nbd7 8.Be2 (8.d4 cd4 9.cd4 Nb6=+) 8...cb4 (8...Bd6 9.a4=) 9.cb4 (9.ab4 e5=) 9...Be7 10.0-0 0-0 11.Nfd2 (11.Qb3 Bd6=) 11...Bb7 12.Nc3 (12.Nb3 Rc8=+) 12...Rc8 (12...d4 13.ed4 a5 14.Qb3=) 13.Bg4 (13.Nb3 Bd6=) 13...Ng4 14.Qg4 Nf6 15.Qh3 Bc6 (15...d4 16.Nce4 de3 17.Qe3=+) 16.Rac1 Bd7 17.Qf3 h6 (17...a5 18.Na2=) 18.Ne2 Qb6 (18...a5 19.Rc8 Bc8 20.Rb1=) 19.Nb3 Rc7 (19...e5 20.Qg3 (20.Be5? Bg4 21.Qf4 Be2–+) 20...Bg4 21.Rc8 Rc8 22.Nec1+=) 20.Rc7 (20.Bd4 Qb7+/–) 20...Qc7+= 21.Rc1 Qb6 (21...Qd6 22.Nc5+=) 22.Nc5 Bc5 (better is 22...Qd6!?+=) 23.bc5+– Qc7 (better is 23...Qd8+–) 24.Bf6 gf6 25.Qf6 Kh7 26.Qe7 Qd8 27.Qd6 Bc8 28.Qf4 Qg5 29.Qb4 e5 30.c6 Bh3?? 31.g3 Kg7 32.Qh4 Qh4 33.gh4 Rg8 34.f4 Kf6+= 35.Ng3 ef4 36.ef4 Ke6 37.Kf2 Kd6 38.Ne2 Kc7 39.Nd4 Kb6 40.f5+/– Rc8?? 41.Kg3+– Bf5 42.Nf5 Rc6 43.Rc6 Kc6 44.Nh6 Kc5 45.Nf7 Kd4 46.h5 1–0. clochard (2200) – myca (1970), net–chess.com, 2004.

5.e3 Nbd7 6.c4 dc4 7.Bc4 b5 8.Be2 Bb7 9.d4 Bd6 10.0-0 0-0 11.Nbd2 (11.Nc3 Qe7=) 11...Re8 (11...Nb6 12.Qc2=) 12.Qc2+= e5 (12...Rc8 13.Ne5+=) 13.de5 (White gets strong initiative) 13...Ne5 14.Rfd1 (14.Ne5 Be5 15.Be5 Re5+=) 14...Qe7 (14...Ng6 15.Rac1+=) 15.Ne5 Be5 16.Be5 Qe5 17.Rac1 Rac8 (17...Re7 18.Bf3 Bf3 19.Nf3+= (19.gf3?! Qg5 20.Kh1 Qh5=)) 18.Bf3+/– Bf3 (18...Bd5 19.Bd5 Qd5 20.Nf3+=) 19.Nf3 (19.gf3?! Qg5 20.Kh1 Qh4=) 19...Qe7 (19...Qe6 20.Nd4 Qe5 21.h3+/–) 20.Qc6 Qe6 21.Nd4 Qe5 (21...Qd6!?+/–) 22.Qa6+– Red8? (better is 22...Ng4 23.g3 Qh5+–) 23.Nc6 (better is 23.Qb5 Qe4 24.Qc6+–) 23...Rd1?? (23...Qe6+–) 24.Rd1 Qh5 (24...Qe6 25.Qc8!! Qc8 26.Ne7 Kf8 27.Nc8 Ne8+–) 25.Qc8 (25...Ne8 26.Qe8) 1–0. Kesmaecker,Philippe (2275) – Toux,Stephane, Gouesnou op, 1999.

6.bc5 Bc5 7.c4 0-0 8.cd5 Nd5 9.Qc2 Be7 10.Bd3 f5 11.g4 (11.e4 Nf4 12.Bf1 b5=+) 11...Nc6 (11...b5 12.Rg1=+) 12.gf5 Ndb4! 13.ab4 Nb4 14.Qc3 Nd3 15.Ke2 Nb2 16.Qb2 Bf6 (16...ef5 17.Qb3 Kh8 18.Ne5–+) 17.Nc3 (17.d4 ef5 18.Rd1 Be6–+) 17...ef5 18.h4 (18.Qb3 Kh8–+) 18...b5 19.Rag1 (19.Qb3 Kh8–+) 19...Be6 20.Rh2 (20.d4 f4–+) 20...Bc4 21.Ke1 Qe7 (21...Bd5 22.Rh3–+) 22.Qc2 Rad8 23.Ng5 Bd3 24.Qa2 Bc4?? 25.Qc2 h6 26.Rgh1? Rd3 27.Nd5 Rd5 28.Nh3 Be5 29.f4 Bf6 30.Nf2 Rfd8 31.Nd1 Bd3 32.Qa2 Kh7 33.Rg1 Bh4 34.Nf2 Be4 35.Qa6 R8d6 36.Qa1 Bf6 37.d4 Rd4! 38.ed4 Bd3 (39.Ne4 Qe4 40.Kd2 Bd4 41.Rg7 Bg7 42.Qe5 Be5 43.fe5 Qf4 44.Kc3 b4 45.Kb3 Qc4 46.Kb2 Qc3 47.Ka2 Ra6) 0–1. Collins,G – Durret,Claude, Paris op, 1993.

6.bc5 Bc5 7.c4 dc4 8.Bc4 0-0 9.d4 =.

6.bc5 Bc5 7.d4 Bd6 8.Nbd2 0-0 (8...b5 9.Bd3=) 9.c4= b5 10.cb5 ab5 11.Bb5 Ba6 12.Ba6 Ra6 (13.0-0 Qe7+=). Kuroro Lucifer – BCC, ChessWorld.net, 2005.

6.bc5 Bc5 7.Bd4 Bd4 8.ed4 0-0 =+.

6.Bf6 Qf6 7.c3 cb4 8.ab4 b5?? (better is 8...Bd7=) 9.Bb5!+– ab5? (better is 9...Bd7 10.Bd7 Nd7+–) 10.Ra8 Bd6 11.Nd4 Bb7 (11...Bd7 12.Na3+–) 12.Ra5 (12.Ra7 Bc6 13.Na3 e5 14.Nc6 Nc6+–) 12...Ba6 (12...Qg6 13.g3+–) 13.Nb5 Bb5 14.Rb5 0-0 15.0-0 Nd7 16.Rb7 Ne5 17.f4 Nd3 18.Qa4 e5 (18...Nb2 19.Qa6 Nc4 20.e4+–) 19.Qb5 e4 (19...Nb2 20.Qd5 ef4 21.ef4+–) 20.Qd5 h6 (20...Qe6 21.Qe6 fe6 22.Na3+–) 21.Qe4 (21...Nb2 22.c4+–) 1–0. market (1870) – hector007 (1745), GameColony.com, 2002.

6.c4 dc4 7.Bc4 Be7 8.0-0 Bd7 9.d4 0-0 10.Nc3 b5 11.Bd3 Bd6 12.Qc2 Re8 13.Ne4 Ne4 14.Be4 g6? (14...Ne7+–) 15.Bc6 Bc6 16.Qc6 Qe7 17.Rac1 h5 18.e4 Kh7 (18...Bf4 19.Rc2+–) 19.e5 Bb4 20.ab4 Qb4 21.Ng5 Kg7 22.Bc3 Qe7 23.Bd2 Rec8 24.Qf3 a5 25.Rc5 b4 26.Rfc1 Ra7 27.Ne4 Rb8 28.Qf4 Kf8 (28...g5 29.Qg3 g4+–) 29.Nf6 (29…Qc5 30.dc5+–; 29.Qh6 Ke8 30.Qh8 Kd7 31.Qb8 Qd8 32.Nf6 Ke7 33.Rc7 Rc7 34.Rc7 Qc7 35.Qe8) 1–0. JanP (2510) – pascals1975, ChessWorld.net, 2003.

6.d3 Bd6 7.Nbd2 (7.c4 0-0=) 7...0-0 8.d4 (8.c4 b6=) 8...Re8 (8...Bd7 9.c4=) 9.b5 (9.c4 Ra7=) 9...ab5=+ 10.Bb5 Bd7 11.0-0 (11.c4 Nb8=+) 11...Qe7 12.c4 Ba3 13.Ba3 Ra3 14.c5 Rea8 15.Ra3 Ra3 16.Re1 (16.Qc1 Ra2=+) 16...Nb4 17.Bd7 (17.Qb1 Nc2 (17...Bb5? 18.Qb4 Ra2 19.Qb5+–) 18.Rf1 Ra7=) 17...Qd7-/+ (< 17...Nd7 18.Qb1 Ra4 19.Qb3=) 18.Ne5 (18.Nb1 Ra7-/+) 18...Qa4 (better is 18...Qb5-/+) 19.Qf3? (19.Qa4 Ra4 20.Rb1 Kf8-/+) 19...Ra1 20.Ra1-/+ Qa1 21.Nf1 Qb1 22.Qg3 Nd3?? 23.f4?? Ne5 24.fe5 Ne4 25.Qf3 b5 26.h3 b4 27.Kh2 b3 (28.Qe2 h6–+; better is 27...Qe1 28.Qf4 b3 29.Ng3 Qg3 30.Qg3 Ng3 31.Kg3–+) 0–1. ana_goldberg – AaronB, internet, 2005.

6.c4 (withdraw). Pagni – Hreidarson, corr 3GMM–49 1994–95.

6.Be5 =.

6.Ne5 Nbd7 7.f4 =.

6.Ne5 Be5 7.Be5= Nbd7 (7...Nc6 8.Bb2=) 8.Bg3 0-0 (8...a5 9.b5=) 9.Nc3 (9.d4 Re8=) 9...c5 (9...e5=) 10.b5 (10.Bd6 Re8 11.bc5 Qa5+=) 10...c4 (10...d4 11.ed4 cd4 12.Na2=+) 11.ba6= ba6 (11...Ra6 12.d3=) 12.Bd6 (12.Qf3 Nc5=) 12...Re8 13.d4 (13.Qf3 Qb6 14.Bg3 Qb2=+) 13...Nb6 14.a4?? (better is 14.Bf4=) 14...Qd6–+ 15.Be2 Nbd7 (15...e5 16.0-0–+) 16.0-0 Ne4 (better is 16...Rb8!? 17.Qd2–+) 17.Ne4 Qe7?? (17...de4 18.Bc4 Rb8 19.Qe2–+) 18.c3?? (better is 18.Ng3=) 18...de4–+ 19.Bc4 Bb7 20.Qb3 Nf6 21.Rad1 Reb8 22.Qc2 Bd5 23.Ba2 h6 24.Bb1? Bb3 25.Qe4 Ne4 26.Be4 Ra7 27.Rb1 Qd8 28.Rb2 Ba4 29.Rb8 Qb8 30.Rb1 Qb1 31.Bb1 Kf8 32.c4 Bc6 33.c5 Rb7 34.Bd3 a5 35.f3 a4 36.e4 a3 37.Bc4 Bb5 38.Ba2 Bc6 39.d5?? ed5–+ 40.ed5 Bd5! 41.Bd5 Rb1 42.Kf2 Rb2 43.Ke3 a2 44.Ba2 Ra2 45.Kd4 Ke7 46.Kd5 Kd7 47.g4 Kc7 48.h4 Rd2 49.Kc4 Kc6 50.f4 Rf2 51.f5 Rf4 52.Kc3 Rg4 53.h5 Kc5 54.Kd3 Rg5 55.Ke4 Rh5 56.Kf4 Rh1 57.Ke5 h5 58.Kf4 Rg1 59.Ke5 h4 60.f6 h3 61.fg7 Rg7 62.Kf6 Rg2 63.Kf7 h2 (64.Ke7 h1Q 65.Kf7 Qf1 66.Ke6 Re2 67.Kd7 Qf7 68.Kd8 Re8) 0–1. rabelloenter (2050) – wmalone (2025), net–chess.com, 2006.

6.c4 0-0 7.cd5 ed5 8.Be2 =.

6.c4 dc4 7.Bc4 b5 (7...0-0 8.d4=) 8.Be2 c5 9.bc5 Bc5 10.Qc2 Bd6 (10...Be7 11.0-0=) 11.e4 Qc7 (11...Be7 12.Nc3=) 12.Bd1 (12.Qc7 Bc7 13.d3 Nbd7=) 12...Nc6 (12...Nbd7 13.d4 Bf4 14.Nc3=) 13.d4 Nd7 14.d5 (14.Nbd2 Bb7=) 14...Nce5 (14...ed5 15.ed5 Ne7 16.Bg7 Qc2 17.Bc2=) 15.de6 fe6 (15...Nf3 16.gf3 fe6 17.Bg7 Qc2 18.Bc2 Rg8=) 16.Nfd2 (16.Nbd2 0-0=) 16...Nc5 (16...0-0 17.0-0=+) 17.0-0 (17.Bh5 g6 18.Be2 0-0=+) 17...0-0-/+ 18.Be2 (18.Bd4 Bb7-/+) 18...Bb7 19.f3 (19.Nc3 Na4-/+) 19...Ng6 20.g3? (better is 20.h3-/+) 20...Bg3!–+ 21.hg3 (21.Kh1–+) 21...Qg3 22.Kh1 Rf4 (23.Bf6 gf6 24.Rf2 Rh4 25.Rh2 Rh2) 0–1. Bonetti,Shane – Ajedremundi (2745), ICC, 2002.

6.d3 a5 7.b5 =.

6.d3 h6 7.Be2 0-0 8.0-0 c5 9.bc5 Bc5 10.Nbd2 b5 (10...Nc6 11.c4=) 11.c4+= Bb7 12.cb5 ab5 13.d4 Bd6 14.Bb5 Bc6 (14...Ba6 15.Ba6 Na6 16.Qe2+=) 15.a4 Bb5 16.ab5 Ra1 17.Qa1 Qb6 18.Qa4 Nbd7 19.Bc3 Qb7 20.Ra1 Nb6 21.Qa6 Rb8 (21...Qc7 22.Ba5 Rb8 23.Nf1+=) 22.Ba5 Bc7 (22...Qc7 23.Rb1+=) 23.Nb3 Bd6 24.Nc5 Qa6 (24...Qc7 25.Rc1+/–) 25.ba6+– (< 25.Na6 Rb7 26.Nc5 Ra7+/–) 25...Na8 26.Nb7 Be7 27.Rc1 Kf8 (27...Nd7 28.a7 Rb7 29.Rc8 Kh7 30.Ra8+–) 28.Ne5 (28.a7 Re8+–) 28...Ne4?? (28...g6+–) 29.Nd7 (29...Kg8 30.Nb8+–) 1–0. Rosner,Dirk – Butt,Christian, Tiger SC, 2001.

6.c3 Nc6 7.Bg2 c4 (7...Bd6 8.0-0=+) 8.0-0 (8.d3 cd3 9.ed3 Bd6=) 8...b5 (8...e5 9.d3 cd3 10.ed3= (10.Qd3? e4 11.Qe3 Ng4–+)) 9.d3 Bb7 10.Nbd2 (10.a4 Be7=) 10...Be7=+ 11.dc4 bc4 (11...dc4 12.Qc2=+) 12.Qc2= 0-0 13.Rad1 (13.Rfe1 Re8=) 13...Qc7 14.Rfe1 h6 (14...Rad8 15.Bc1=+) 15.e4= de4 16.Ne4 Ne4 17.Qe4 (17.Re4!? Na7 18.Rg4=) 17...Nb4=+ 18.Qb1? (18.ab4 Be4) 18...Nd3–+ 19.Re2 Rfd8 (better is 19...Rab8 20.Qa1 Bf6–+) 20.Nd4? (20.Ne1–+) 20...Bg2 21.Kg2 Qb7 (21...Rab8 22.Qa2 Nb2 23.Rb2 Rb2 24.Qb2–+) 22.f3 (22.Kg1 e5 23.Ba1 Qb1 24.Rb1 Ba3–+ (24...ed4?! 25.Re7 Rab8 26.Rd1–+)) 22...Rab8 23.Rd3 (23.Qa1 Rd4! (23...Nb2?! 24.Rb1–+) 24.cd4 Nb2–+) 23...cd3 24.Rd2 (24.Qd3 e5! 25.a4–+) 24...Ba3! (25.Qd3 Bb2–+) 0–1. mic (2145) – pushtiu (2310), net–chess.com, 2007.

6.c3 Be7 7.Bg2 b6 8.0-0 Bb7 9.bc5 bc5 10.c4 0-0 11.d4 Nc6 (11...cd4 12.Nbd2=) 12.dc5 Bc5 13.cd5 Nd5 14.Nc3 Nce7 15.Na4 Ba7 16.Rb1 Bc6 17.Nd4 Bd7 18.Nc3 Rb8 19.Qd3 Qa5 20.Nd5 ed5 21.Bc3 Qa3 22.Ra1 Qc5 23.e3 Bb5 (23...Rfc8 24.Rfc1+=) 24.Nb5+– ab5?? (better 24...Qb5 25.Qb5 Rb5 26.Ra6 Bb6+–) 25.Bd4+– Qc4 26.Qc4 dc4 (26...bc4 27.Ra7 Nc6 28.Rd7 Nd4 29.ed4+–) 27.Ba7 (worse 27.Ra7 Nf5 28.Be5 Rbc8+–) 27...Rbc8 28.Rfb1 Nc6 (28...c3 29.Rb5 Rfd8 30.Rc1+–) 29.Bc5 Rfd8 30.Rb5 Ne5 (30...g6+–) 31.Be7 Re8 (31...Ng4 32.Bd8 Rd8 33.Rc5+–) 32.Re5 f6 33.Bd5 Kh8 34.Re6 h6 (34...c3+–) 35.Ra7 c3 36.Bf6! gf6 (36...gf6 37.Rf6 Mate attack) 37.Rf6 Rc7 (37...Re6 38.Re6 Rc7 39.Rc7 c2 40.Rh6) 38.Rc7 (38.Rc7 Re7 39.Re7 c2 40.Rh6) 1–0. Janek – Vito, internet, 2018.

5.Nc3 c5 6.bc5 Bc5 7.e3 0-0 8.Be2 Nc6 9.0-0 a6 +=.

5.d4 a6 6.Nbd2 c5 7.bc5 bc5 8.c4 Bd7 9.e3 Bd6 (9...cd4 10.Nd4 Nc6 11.cd5 Nd4 12.Bd4 Nd5 13.Bc4+=) 10.dc5 Bc5 11.cd5 Nd5 (11...ed5 12.Rc1 Be7 13.Qb3+/–) 12.Bg7 Rg8 13.Bb2 Qa5 (13...Bb5!?+/–) 14.Ne5+– Rg5 (better is 14...Bb5 15.Qh5 Rf8+–) 15.Nec4 (15.Nd7?! Nd7 16.h4 Rg8+/–) 15...Qc7 16.Ne4 Rf5 (16...Rg6 17.Nc5 Qc5 18.Rc1+–) 17.Rc1 (17.g4 Rf2 18.Nf2 Ne3 19.Ne3 Be3+–) 17...Ke7 (17...Bb5 18.g4 Bc4 19.Bc4 Qa5 20.Ke2 Rf2 21.Nf2 Ne3+–) 18.g4 Ne3 (18...Nf6 19.Nf6 Rf6 20.Bg2+– (worse is 20.Bf6 Kf6 21.Nd2 Qb7+–)) 19.Ne3 Rh5 1–0. Waite,Daniel J – Stevenson,Robert, CServe casual, 1994. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 b6)

5.e3 a5 6.b5 Bd6 (6...Bb7 7.Be2 Bd6 8.0-0 0-0 9.Be5 c5=; 6...Be7 7.Be2 0-0 8.0-0 c5 9.d3 Bb7=; 6...c5 7.bc6 Nc6 8.Nc3 Bd6 9.Bb5 Bd7=) 7.Be2 0-0 8.0-0 c6 9.Nc3 e5 =.

5.e3 Ba6 6.b5 Bb7 7.a4 Bc5 8.Ne5 0-0 9.Nc6? Bc6 10.bc6 Nc6 11.c4 Ne5?? 12.cd5?? Qd5-/+ 13.Nc3 Qd6?? 14.d4+/– Bd4 15.ed4 Nc6+/– 16.Nb5 Qd7 17.Be2 a6 18.d5 ed5 19.Nd4 Ne4 20.0-0 Rfe8 21.Nc6 Qc6+= 22.Qd4 f6 23.Bd3 Rad8 24.Be4 de4 25.Qe3 Rd3 26.Qf4 Red8 27.Rac1 Qd5 28.Qg4 Rd2? 29.Bf6 Rd7 30.Ba1 Rd1?? 31.Rcd1 Qd1 32.Rd1 Rd1 33.Qd1 (33.Qd1 h5 34.Qd7 Kf8 35.Qg7 Ke8 36.Bf6 e3 37.Qe7#) 1–0. Nautiluschess – jamesjoyce, internet, 2001.

5.e3 Bd6 6.Be2 0-0 7.Be5 c5 8.bc5 bc5 9.c4 Nc6 +=.

5.e3 Be7 6.c4 Ba6 Black threatens to win material: Ba6xc4 7.b5 White threatens to win material: b5xa6 7...Bb7 8.Nc3 0-0 9.Be2 Nbd7 (9...dc4 10.Qa4=) 10.d4 a6 11.0-0 ab5 12.cb5 White has a new backward pawn: a3. Black has a new backward pawn: c7 12...Bd6 13.Qc2 Qe7 14.a4 Rfc8 15.Rfc1 Ne4 (15...e5 16.Rf1=) 16.Bd3 f5 17.Qe2 g5 (17...Qf7 18.Rc2=) 18.g3 Consolidates f4 (18.h3 Rd8=) 18...Kh8 (18...Rf8 19.Nb1=) 19.Nd2 (19.h3 Rf8=) 19...Ndf6 20.f3 Secures g4 20...Nd2 21.Qd2 Rg8 Black intends g4 22.Re1 Bb4 23.Qg2 g4 Black gains space 24.Rf1 (24.f4 Rg6=) 24...gf3 (24...h5 25.f4=) 25.Qf3 (25.Rf3 Ba5=) 25...Ne4 (25...h5!?+=) 26.Be4= de4 Black has the pair of bishops 27.Qe2 (27.Qf2 Rg5=) 27...Rg5 28.d5 (28.Rad1 Kg7=) 28...Kg8 (28...e5!?+= is noteworthy) 29.de6= Qe6 30.Rfd1 (30.Qf2 h6=) 30...Bc5 (better is 30...Bd6+=) 31.Qd2?? (better is 31.a5 is just about the only chance 31...Ra5 32.Rd8 Kf7 33.Rf1=) 31...f4–+ 32.Nd5 (32.Re1 fg3 33.h4–+) 32...Bd5 33.Qd5 Rd5 (33...Rd5 34.Bd4 Bd4 35.Rd4 Rd4 36.ed4 Qc4 37.Kg2 f3 38.Kh3 Qd4 39.Rc1 Ra4 40.Kg4 e3 41.Kf3 Qe4 42.Ke2 Ra2 43.Rc2 Rc2 44.Kd1 Qd3 45.Ke1 Qe2) 0–1. Rogowski,Walter – Schatzberg,Wolfgang, GER–ch Seniors, 2001. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 b6)

5.g3 c5 6.c3 Nc6 7.d3 Bb7 8.Nbd2 Qc7 9.Bg2 cb4 (9...Bd6!?=) 10.cb4+= Rc8 11.b5 Ne7 12.Rc1 Qd7 13.Rc8 Qc8 14.Qa4 a6 15.Ne5 a5 (15...Nd7!? 16.ba6 Ba6 17.Nd7 b5+/–) 16.0-0+– Ng6 17.Rc1 Qb8 18.Nc6 Bc6 19.bc6 (19.Rc6?! Be7+/–) 19...Qc7 20.Bd4 Be7? (20...Bc5 21.Bc5 bc5 22.Rc5 0-0+–) 21.Bb6! (21.Bb6 Qc8 22.c7 Nd7 23.Ba5+–) 1–0. Janek – Hanoh, internet, 2016.

5.g3 Bd6 6.Bg2 0-0 7.0-0 Nbd7 8.d3 Bb7 9.Nbd2 c5 10.Re1 (10.bc5 Bc5 11.c4 Rc8=) 10...Rc8 (better 10...cb4!? 11.e4 de4-/+) 11.c4 d4 (11...a6 12.cd5 ed5 13.bc5 Nc5 14.Rc1=) 12.e3 e5 (12...de3 13.fe3 cb4 14.ab4 Bb4 15.Ra7 Bf3 16.Bf3=+) 13.ed4 cd4 (13...Bf3 14.Qf3 cd4=) 14.Ng5 (better 14.Ne5!? Ne5 15.Bb7 Nd3 16.Bc8 (worse 16.Bd4 Ne1 17.Bc8 Bg3=) 16...Qc8 17.Qc2 Ne1 18.Re1+=) 14...Bg2=+ 15.Kg2 h6 (15...Qc7 16.Nge4=+) 16.Nge4= Ne4 17.Ne4 Be7 (17...Nf6 18.f4 Ne4 19.fe5= (worse 19.Re4 f5 20.Re2 ef4-/+)) 18.Qh5 f5 19.Nd2 Nf6 (better 19...f4!?=) 20.Qf5+/- g6?? (better 20...Bd6+/-) 21.Qg6+- Kh8 22.Qh6 Nh7 23.Re5 Bf6 24.Rh5 Rf7 (24...Rc7 25.Ne4 Kg8 26.Rd5+-) 25.Ne4 Bg7 (25...Rc6+-) 26.Qh7 1-0. black_bishop_88 (2520) - Thenderman (1900), Alone l Together, lichess.org, 2020. (=1.a3 d5 2.b4 Nf6 3.Bb2 b6 4.Nf3 e6)

5.g4 Ng4 6.Rg1 Nf6 7.e3-/+.

6.bc6 a6 7.a4 Nc6 8.Ne5 Ne5 9.Be5 Nd7 10.Bc3 e5 11.e3 Bd6 12.a5=+.

6.bc6 a6 7.c7 Qc7 8.Bf6 gf6 9.Nc3 f5 10.e3 Bg7 11.Nd4 Nc6 12.Nde2=+.

6.bc6 a6 7.Ne5 Bd6 8.e3 Be5 9.Be5 Nc6 10.Bf6 Qf6 11.Nc3 b5 12.Rb1=.

6.bc6 a6 7.Bf6 Qf6 8.Nc3 Nc6 9.e4 d4 10.e5 Ne5 11.Nd4 Bb7 12.Qe2-/+.

6.bc6 Ba6 7.Ne5 (7.c7 Qc7 8.Bf6 gf6 9.Nc3 Rg8 10.e4 Bf1 11.Rf1 Rg2 12.ed5=; 7.Nd4 Qc7 8.Nf3 Nc6 9.Bf6 gf6 10.e3 Bf1 11.Rf1 Rg8 12.g3=; 7.e3 Bf1 8.Rf1 Nc6 9.Nc3 Bc5 10.Qe2 0-0 11.e4 Rc8 12.Rb1=+) 7...Qc7 (7...Bd6 8.c4 dc4 9.e3 b5 10.f4 Be5 11.fe5 Nd5 12.Qg4-/+) 8.e3 Bf1 9.Rf1 Nc6 (9...Rg8 10.c4 Bd6 11.Nc3 a6 12.f4=) 10.f4 (10.Nc6 Qc6 11.Bf6 gf6 12.Nc3=) 10...Rc8 (10...Be7 11.Ng4 Qd8 12.Kf2=+) 11.Ng4 (11.Nc6 Qc6 12.Bf6=) 11...Ra8 (11...Ne4 12.Nc3=+ (12.d3 Nc5 13.Nc3=+)) 12.Ne5 (better 12.Bf6!? gf6 13.Nf6 Kd8 14.Qg4+-) 12...Rc8 13.Ng4 Nd7 14.Qf3 f5 15.Nh6 Nc5 16.g4? (better 16.Nc3!?=+) 16...Na4 17.gf5 ef5 18.Nf5 Nb2 19.Qd5 Qd7 20.Nc3 Qd5 21.Nd5 g6 22.Ng3 Nc4 23.a4 Bg7 24.c3 0-0 25.d4 Rcd8 26.e4 Rfe8 27.Nc7 Re7 28.Nb5 a6 29.Na3 Nb2 30.Nc2 Na5 31.e5 Bh6 32.f5? (better 32.Nb4=) 32...Nd3-+ 33.Kd1 Ne5 34.Nb4 Nac4 35.f6 Re6 36.d5 (36.Kc2 Ng4 37.Rfe1 Rf6 38.Na6 Nce3 39.Kb3 Nh2 40.Nb4-+) 36...Ne3 37.Ke2 0-1. Coban,Met (1920) - Yargici,M (1925), TCh-TUR (9), 2011. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 b6)

6.bc6 Nc6 7.e3 a6 8.Be2 Bd6 9.Nc3 0-0 10.Rb1 e5 11.0-0 Qc7 12.h3-/+.

6.bc6 Bd6 7.Nc3 Nc6 8.Nb5 Be7 9.Ne5 Bb7 10.e3 0-0 11.Nc6 Bc6 12.Qf3=+.

6.bc6 Bd6 7.c7 Bc7 8.e3 0-0 9.Be2 Nbd7 10.0-0 e5 11.Bb5 Bd6 12.Bc6=.

6.bc6 Bd6 7.e3 Nc6 8.Bb5 Bd7 9.Qe2 0-0 10.0-0 Re8 11.Bc6 Bc6 12.Be5=+.

6.bc6 Bd6 7.Ne5 Be5 8.Be5 Nc6 9.Bc3 d4 10.Bb2 0-0 11.e3 e5 12.Be2=+.

6.bc6 Be7 7.Nc3 Nc6 8.e3 a6 9.Be2 0-0 10.Na2 Qc7 11.0-0 Re8 12.Rb1=+.

6.bc6 Be7 7.c7 Qc7 8.Be5 Qd7 9.e3 0-0 10.Nd4 a6 11.Nc3 Nc6 12.Nc6=.

6.bc6 Be7 7.e3 Nc6 8.Bb5 Bd7 9.Qe2 Qc8 10.Ba6 Qc7 11.Nc3 Bc8 12.Bb5=.

6.bc6 Be7 7.Ne5 Qc7 8.e3 0-0 9.Be2 Nc6 10.Nc6 Qc6 11.0-0 Ne4 12.d3=.

6.e3 b5 7.a4 c6 8.ab5 cb5 9.Bf6 (9.Nd4 Qb6 10.Nc3 Ba6=+) 9...Qf6=+ 10.Nc3 Bd7 (worse 10...Bb4 11.Nb5 Qe7 12.Bc4=) 11.Qb1 Be7 12.Nd4 Nc6 Exerts pressure on the isolated pawn 13.Ndb5 0-0 14.Bc4 Bb4 15.0-0 Rfc8 16.Ra6 Nb8 17.Ra4 (worse 17.Qb4 Na6 18.Qb3 Qe7–+) 17...a5 18.Bd3 h6 19.Bh7 Kh8 20.Bd3 (20.Be4 Nc6 21.f4 Qd8=) 20...Nc6=+ 21.Ra2 Rab8 22.Rb2 Ne5 23.Be2 Nc4 24.Bc4 Rc4 25.Nd6 Rc6 26.Nde4 Qe7 27.Na2 e5 28.f3 f5 29.Nf2 Rcb6 30.Nb4 Rb4 31.Rb4 ab4 32.Qb2 Qd6 33.d4 ed4 34.Qd4 Qd4 35.ed4 Be6 36.Rb1 Bc4 37.Nd1 f4 38.Kf2 g5 39.Rb2 Kg7 40.Ke1 Re8 41.Kd2 Re2 42.Kc1 Rb2 43.Kb2 Kf6 44.Nf2 Ke6 45.g3 fg3 46.hg3 Bd5 47.Kc2? (better 47.Nd3-/+) 47…Bf3–+ (47...Bf3 48.Kd2 Kf5–+) 0–1. pcmvr – chesspal, net–chess.com, 2019.

6.e3 Bb7 7.Bc4= Be7 8.0-0 0-0 9.Qe2 Nbd7 10.d4 c5 11.dc5 bc5 12.b5 Nb6 13.Nbd2 Qc8 14.a4 a5 (14...Rd8 15.e4=) 15.Bd3 Rd8 16.Ne5 Qc7 17.Rfd1 Bd6 18.Ndc4 Nc4 19.Nc4 Be7?? (19...Bh2 20.Kh1 Ne4 21.Be4 Be4+/-) 20.Be5+- Bd6 (20...Qc8 21.Nb6 Rd3 22.Qd3 Qf8 23.Na8 Qa8+-) 21.Bd6 Rd6 22.Nd6 Rd8 (22...Bd5 23.Nc4+-) 23.Nb7 Qb7 (23...Rd7 24.Bh7! Kh7 25.Rd7 Nd7 26.Na5 Qa5 27.Qd3 Kh6 28.Qd7+-) 24.Bh7! Kh7 (24...Nh7 25.Rd8 Discovered attack; 24...Kh7 25.Rd8 Discovered attack) 25.Rd8 Qc7 26.Rad1 Nd5 (26...c4+-) 27.Qh5 1-0. pcmvr - rochess (2695), net-chess.com, 2021.

6.b5 a6 7.Nc3 Bd6 8.ba6 Ba6 9.Nb5 Be7 =.

6.b5 Bd6 7.Be2 0-0 8.0-0 a6 9.Be5 Be5 +=.

6.b5 Nbd7 7.c4 (7.Be2 Bd6 8.0-0 0-0 9.c4 e5=) 7...Bb7 (7...Bd6 8.d4 0-0 9.cd5 ed5=) 8.Be2 (8.cd5 ed5 9.Be2 Bd6=) 8...Bd6 (8...dc4 9.Bc4 Bd6+=) 9.0-0 (9.Nc3 dc4=) 9...0-0 (9...dc4+=) 10.d4 Qc7 11.h3 dc4 12.Nbd2 cd4 13.Bd4 Bd5 14.Qa4 Nc5 15.Bc5 Bc5 16.Bc4 Bc4 17.Qc4 Rac8 18.Rfc1 Qd7 19.Qb3 Rfd8 20.Rd1 Qc7 21.Rac1 Qe7 22.a4 Nd7 23.Nc4 f6 24.Nd4 Bd4 25.Rd4 Nc5 26.Rd8 Rd8 27.Qa2 Kf7 (27...Qd7!?=) 28.a5+= Qc7 29.ab6 ab6 30.Nd2 (30.Qc2!?+/–) 30...Qd7= 31.Nc4 Qb5 32.Qa7 Kg6 33.Nb6 Nd7 (33...Rd2 34.Nc8 Ne4 35.Ne7 Kh5 36.Ng8+=) 34.Nd7 (34.Rd1 Qc5 35.Qb7+– (35.Rd7?! Rd7 36.Qd7 Qb6=)) 34...Rd7= 35.Qa2 ½–½. Schmidbauer,Josef – Ulmer,Hanno, Niederbayern–chT, 2000.

6.Bb5 Bd7 7.Bd7 Nbd7 (7...Kd7 Weaker is 8.bc5 Bc5 9.d4+=) 8.b5 Bd6 (8...c4 9.Bf6 Nf6 10.d3=) 9.d3 Secures e4 9...0-0 10.Nbd2 Qc7 11.Bf6 Nf6 12.c4 a6 13.a4 Rfd8 14.0-0 Ng4 15.g3 Prevents intrusion on f4 15...Ne5 16.Ne5 Be5 17.Rc1 (17.Rb1 a5=) 17...dc4 18.Nc4 The knight is not easily driven from c4 18...ab5 19.ab5 Rd5 20.Qf3 Rad8 21.Rfd1 g6 22.Qe4 (22.Qe2 Bg7=) 22...f5 Black threatens to win material: f5xe4 (22...Bg7!?+= looks like a viable alternative) 23.Qf3= Rd3 24.Rd3 Rd3 25.Qc6 Qc6 26.bc6 White has a new passed pawn: c6. Black has a new passed pawn: b6 26...Bc7 The black bishop is safe in front of c6 27.Ra1 b5 Black threatens to win material: b5xc4 (27...Rd8 28.Ra7 Rc8 29.Rb7=) 28.Ra8 (better is 28.Ra7!? is noteworthy 28...Rd1 29.Kg2+/–) 28...Kf7 29.Na3? (29.Rc8 bc4 30.Rc7 Ke8 31.Rh7 Rd1 32.Kg2 Kd8+=) 29...Rb3?? throwing away the advantage (better is 29...b4 with excellent chances for Black 30.Nc4 Rc3–+) 30.Nb5 (30.Ra7!? Ke8 31.Nb5 (31.Rc7 Ra3 32.Rb7 Kd8 33.Rb5 Ra1 34.Kg2 Rc1=) 31...Rb5 32.Rc7=) 30...Rb5+= Black wins a piece 31.Ra7 c4 32.Rc7 Ke8 33.Kf1 Rc5 34.Ke2 Kd8 Black threatens to win material: Kd8xc7 35.Rh7 Rc6 36.Kd2 Ra6 37.Kc3 White threatens to win material: Kc3xc4 37...Ra2 38.f4 Ra3 39.Kc4 Re3 40.Rg7 e5 41.fe5 Re5 42.Rg6 f4 43.Kd4+/– Re2 44.gf4 Rh2?? simply marches past the door to victory 45.Ke5 Re2?? what a pity, victory was in sight 46.Kf6 Ra2 47.Rg8 Kd7 48.f5 Re2 49.Ra8 Re3 50.Kf7 Re7 51.Kf8 Re2 52.f6 Rh2 53.Ra7 Ke6 54.f7 Rb2 55.Ra6 Kf5 56.Kg8 Rg2 57.Kh7 (57.Kh7 Rh2 58.Rh6 Rh6 59.Kh6 Ke4 60.f8Q Kd4 61.Qb4 Kd5 62.Kh7 Ke5 63.Kg6 Kd5 64.Kf5 Kc6 65.Ke6 Kc7 66.Qb5 Kc8 67.Kd6 Kd8 68.Qd7) 1–0. Gurgenidze,Bukhuti (2215) – Ioseliani,Irina, Tbilisi Nabeglavi op, 2001. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 b6 5.e3 c5)

6.c4 Bb7 7.cd5 Bd5 8.Nc3+/– cb4 (8...Bc6 9.bc5 Bc5 10.d4+/–) 9.ab4 (9.Nd5 Qd5 10.Qa4 Nbd7+–) 9...Bb7 (9...Bb4?? A) worse is 10.Nd5 Nd5 (10...Qd5?? 11.Qa4 Nc6 12.Bb5+–) 11.Qa4 Ke7+–; B) 10.Qa4 Nc6 11.Nd5 Qd5 12.Bb5+–) 10.b5 Nbd7 11.d4 Bd6 12.Bd3 0-0 13.0-0 e5 14.de5 (14.d5 Nc5 15.Bc4 Qc7+=) 14...Bf3 (better is 14...Ne5 15.Ne5 Be5=) 15.Bh7?? (better is 15.gf3 Be5 16.Qc2+=) 15...Nh7–+ 16.Qd6?? (16.Qf3 Be5 17.Rfd1–+) 16…Qg5 (16...Qg5 17.g3 Qf5–+) 0–1. Wiedner,R (2160) – Proyer,E (1845), Oberwart AUT, 2012. (=1.Nf3 d5 2.b4 e6 3.a3 Nf6 4.Bb2 b6)

6.c4 Be7 7.Be2 0-0= 8.b5 Bb7 9.0-0 Nbd7 10.d3 Qc7 11.Nbd2 e5 12.cd5= Nd5 13.Rc1 Rad8 14.Qb3+= Qb8 15.Nc4 Bf6 16.Nfd2 Kh8 17.Bf3 Be7 18.a4+/– f6 19.Rfe1 Nb4+= 20.Rcd1 Bf3 21.Nf3 Qb7 22.Ba3 Rfe8 23.Bb4 cb4= 24.d4 ed4 25.Nd4 Nc5 26.Qc2 a5 27.Nc6+= Rd1 28.Rd1= Qc7 29.Qf5 Bf8= 30.Nb2 Qf7=+ 31.Qd5 Qd5 32.Rd5 g6 33.g3 f5-/+ 34.Kg2 Bg7 35.Nd4 Kg8 36.Rd6 Rb8 37.Rc6 Rb7 38.Rc8 Kf7 39.Nc4 Ke7?? 40.Nc6+– Kd7?? 41.Rd8 Kc7 42.Nd6 Ra7 43.Ne8 Kb7 44.Rb8# 1–0. Ramon,V (2290) – Klink,T (2335), 34th Olympiad Women, Istanbul TUR, 2000.

6.bc5 bc5 7.Bb5 Bd7 8.Bd7 Nbd7 (worse is 8...Kd7 9.c4+=) 9.d4 Bd6 10.Nbd2 0-0 11.0-0 Qc7 (11...cd4 12.Bd4 Qc7 13.h3-/+) 12.Re1 (12.dc5!? Bc5 13.c4=) 12...Rab8 13.Rb1 Ng4 (13...cd4!? 14.ed4 Rfc8-/+) 14.h3+= Ngf6 15.e4 de4 16.Ne4 Ne4 17.Re4 Nf6 18.Re1 Rfd8 19.Qe2 cd4 20.Nd4 Bc5 (20...Rb2!? 21.Rb2 Bh2 22.Kh1 Rd4=) 21.Nf3 Nd5 22.Be5 Bd6 23.Rb8 ½–½. Stoop,Jan (1760) – Rylska,Kamila, Polanica–Zdroj Poland, 2012. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 b6 5.e3 c5)

6.bc5 Bc5 7.Bb5 Bd7 8.Be2 0-0 9.0-0 Nc6 =.

6.Bg2 c5 7.bc5 Bc5 8.0-0 0-0 9.d3 Nbd7 10.Nbd2 Qc7 11.c4 Rac8 12.Rc1 Qb8 13.cd5+= ed5 14.Nb3 Bd6 15.Nfd4 Rc1 16.Bc1 Nc5 17.Nf5 Ne6 18.Nd6 Qd6 19.Bb2 Nd7 20.Qa1 f6 21.Rc1 Rc8 22.Rc8 Bc8 23.Qc1 Bb7 24.Qe3 Kf7 25.h4 Ndc5 26.Nd4 Nd4 27.Qd4 Qe6 28.Bf3 Qd6 29.Bh5 Kg8 30.Bf3 Kf7 31.Qg4 Qe6 32.Qh5 Kg8+= 33.Bg4 Qf7 34.Qf5 Bc6 35.Qc8+/– Qe8 36.Qc7 Na4 37.Bd4+– a5? 38.Bb6 Nb6 39.Qb6 a4 40.d4 g6 41.Qc7 f5 42.Bf3 Qa8 43.Kg2 Qb7 44.Qb7 Bb7 45.Kf1 Kf7 46.Ke1 Kf6 47.e3 h6 48.Kd2 g5 49.hg5 Kg5 50.Kc3 h5 51.Kb4 h4 52.gh4 Kh4 53.Kc5 Kh3 54.Bd5 Bd5 55.Kd5 Kg2 56.f4 Kf3 57.Ke5 Ke3 58.d5 (58.d5 Kf3 59.Kf5 Kg3 60.d6 Kh2 61.Ke4 Kg2 62.d7 Kg3 63.d8Q Kf2 64.Qg8 Ke2 65.Qa2 Kf1 66.Kf3 Ke1 67.Qe2#) 1–0. Valenta,Vit (2190) – Silar,Ladislav (2015), Ceska Trebova op 2nd, 2006.

6.Bg2 Nbd7 7.0-0 Be7 8.d3 c5 9.bc5 Nc5 10.Nbd2 Na4 11.Bd4 0-0 12.c4 Nc5 13.Qc2 Rc8 14.Bb2 dc4 15.dc4 Qd7 16.Rfe1 Rfd8 17.Rad1 Qe8 18.Nb3 Nb3 19.Qb3=+ Rd1 20.Rd1 Rd8 21.Qc3?? Rd1–+ 22.Bf1 Bf3 23.ef3 Qd7 24.Kg2 Rd2 25.Kg1 Bc5 26.h3 Bf2 27.Kh2 Bd4 28.Qd2 Bb2 29.Qb2-/+ h6 30.Bg2 Qc7 31.Qb4 a5 32.Qb5 Nd7 33.f4 Nc5 34.Qe8 Kh7 35.h4 Qd7 36.Qa8 Qd2 37.Qc6 Qb2 38.Kh3 Qa3 39.Qb6 Qb4 40.Qc6 Qc4 41.Qe8 e5! 42.Qf7?? Qf7–+ 43.fe5 Qf5 44.Kh2 Nd3 45.e6 Qf2 46.e7 (46.e7 Ne1 47.Kh3 Qg2 48.Kg4 Qe4 49.Kh3 h5 50.e8Q Qg2). sagonek – exp2005, kurnik, 2011.

6.g5 Ne4 7.d3 Nd6 (7...Ng5!? 8.Nbd2 Nf3 9.Nf3 Nd7-/+) 8.h4 Nd7 9.h5 Rg8 10.g6 hg6 11.hg6 f6 12.e4 (12.Bg2!?=) 12...de4=+ 13.de4 Ne4 14.Qe2 Qe7 15.Nc3 (15.Bg2 Nd6=+) 15...Nc3-/+ 16.Bc3 0-0-0 17.Bh3 f5 18.0-0-0 Kb8 19.Ne5?? (better 19.Rhg1 Rh8 20.Bg2=+) 19...Ne5 20.Rd8 (20.Qe5 Bh1 21.Rh1 Qg5 22.Kb2 Qg6-+) 20...Qd8 21.Be5 (21.Rd1 Qg5 22.Kb2-+) 21...Bh1 22.Qc4 (22.Qd1 Qd1 23.Kd1 Bd6 24.Bd6 cd6-+) 22...Bd6 23.Qe6 (23.Bd6 Qd6 24.Bf1 Qe5-+) 23…Re8 (23...Re8 24.Qf5 Be5-+) 0-1. black_bishop_88 (2550) - FleddyVanHelgie (2535), lichess.org, 2020. (=1.a3 e6 2.b4 d5 3.Bb2 Nf6 4.Nf3 b6)

6.g5 Ne4 7.Rg1 a5=+.

6.g5= Ne4 7.h4 Be7 (better 7...a5!?=+) 8.d3+/- Nd6 9.Bg7 Nd7?? (better 9...Rg8 10.Bc3 c5+/-) 10.Bh8+- c5 11.Bb2 cb4 12.ab4 Nf5 13.e4! Bb4 (13...de4 14.de4 Combination) 14.Bc3 (better 14.c3 Ng3 15.fg3 Bd6+-) 14...de4 15.Bb4 (better 15.de4!? Bc3 16.Nc3 Qc7+-) 15...ef3 16.Nd2 (16.Bc3 a6+-) 16...Ne5 (16...Qc7 17.Ne4+- (17.Nf3?! Qf4 18.Qd2 Qf3+/-)) 17.Bh3 (17.Ne4 Qc7+-) 17...Nd4 (17...Nh4 18.Ne4 Be4 19.de4 Ng2 20.Bg2 fg2+-) 18.Bc3 Rc8 19.Bd4 (19.Nb1 Qd5+-) 19...Qd4 20.Ra7 Ng6 (20...Bd5+-) 21.Rb7 Nf4 22.Kf1 Ra8 (22...Qa4+-) 23.Nf3 (23.Nb3 Qb2+-) 23...Qc3 (23...Qd5 24.Bg2 Qb7 25.Qb1+-) 24.Kg1 (better 24.Rb6 Ra1 25.Rb8 Ke7 26.Rb1+-) 24...Ra1 25.Kh2 (better 25.Rb8 Ke7 26.Qa1 Qa1 27.Bf1 Qd1+-) 25...Rd1 26.Rd1 Qc2 27.Rf1 (better 27.Rd2 Qc6 28.Rb8 Ke7 29.Ne5+-) 27...Qd3?? (27...Nh3 28.Kh3 Qd3 29.Kg2+/-) 28.Bg2 (28.Ra1 Qd8 29.Ne5+-) 28...Qe4 29.Rb6?? (29.Rb8 Ke7 30.Re1+- (30.Rb6?! Ng2 31.Kg2 Qg4 32.Kh2 Qf4 33.Kg1 Qg4 34.Kh2 Qf4 35.Kg2 Qg4 36.Kh2=)) 29...Ng2= 30.Kg2 Qg4 31.Kh2 Qf3 32.Rb4 Kf8 (32...e5 33.Kg1 e4 34.Rc1=) 33.Rg1 (better 33.Kg1!?+=) 33...Qf2=+ 34.Rg2 Qe1 35.Rbg4 Qe5 36.R4g3 Kg7 37.Kh3 Qf5 38.Kh2 Qg6 (38...Qf4 39.h5=+) 39.Kg1 (39.Rf2 Qe4 40.Kh3 e5=) 39...Qh5 (better 39...Qe4 40.Rg4 Qe1 41.Kh2 e5=+) 40.Rf2? (better 40.Rg4!?=) 40...Qh4-/+ 41.Rgf3 Qg5?? (better 41...Kg6-/+) 42.Kf1?? (better 42.Rg2 h6 43.Rfg3+/-) 42...Qb5 43.Kg1 Kf8?? (43...f5 44.Rh3-+) 44.Rg2? (better 44.Rf7 Ke8 45.Rg7-/+) 44...Ke7 45.Kh1 (45.Rg7 Qh5 46.Kf2-+) 45…Qb1 (45...Qb1 46.Kh2 h5-+) 0-1. black_bishop_88 (2560) - Gen_01 (2495), lichess.org, 2020. (=1.a3 e6 2.b4 d5 3.Bb2 Nf6 4.Nf3 b6)

5.b5 Ne4 6.e3= Nd7 7.c4 Ndf6 8.d3 Nd6 9.Be2 Be7 10.Nbd2 0-0 11.0-0 a5 12.d4 Nc4 (12...cd4 13.Bd4 dc4 14.Qa4+=) 13.Nc4 dc4 14.dc5 Bc5 15.Qc2 b6 (15...Qe7!?+=) 16.Ng5+/- g6? (better 16...c3!? 17.Bc3 g6+/-) 17.Qc3+- (17.Bc4?! Nd5 18.Ne4 Be7+/-; 17.Qc4?! Be7+/-) 17...Kg7? (17...Be7 18.Ne4 Bd7 19.Nf6 Bf6 20.Qf6 Qf6 21.Bf6 Bb5+-) 18.Ne4 e5 (18...Be7 19.Rad1 (19.Bc4?! Bb7 20.Rfd1 Be4 21.Rd8 Rfd8+-; 19.Qc4?! Bb7+/-) 19...Qc7 20.Nf6+-) 19.Qe5 (19.Nc5?! bc5 20.Qe5 Re8+-) 19...Re8 (19...Be7 20.Rad1 Be6 21.Rd8 Rfd8 22.Nf6+-) 20.Qf6 (20.Nf6?! Re5 21.Be5 Be6 22.Nd7 Kg8 23.Nc5 bc5+=) 20...Qf6 21.Bf6 Kf8 22.Nc5 bc5 23.Bc4 1-0. marekt (2125) - lazker (1720), gameknot.com, 2014. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.b5 d5 5.Bb2)

5.b5 g6 6.e4 (6.e3 Bd6=) 6...de4 7.Ng5 Bg7 8.Ne4 0-0 9.Nc5 b6 (9...Qc7 10.Nb3=) 10.Nd3 Bb7 11.Nc3 Qc7 12.Qe2 (12.f3 Nbd7=) 12...Nbd7= 13.Qe3 (13.a4 Rfd8=) 13...Ng4 (13...Nd5 14.Nd5 ed5 15.0-0-0=) 14.Qg3 Qg3 15.hg3 Nge5 (15...Rfd8 16.f3 Nge5 17.Ne5 Be5 18.g4+=) 16.Ne5+/– Ne5 17.a4 (better is 17.f3+/–) 17...Nc4?? (better is 17...Rfc8+=) 18.Bc4+– Bg2 19.Rh2 Bf3 (19...Bb7 20.Bd3+–) 20.a5 ba5 21.Ra5 Rac8 (21...Rfb8 22.Ra6+–) 22.Be2 Be2 23.Ke2 (23.Ne2?! Bb2 24.c3 Rc5+–) 23...Rc7 24.g4 Rd8 25.g5 Rd4 26.b6! ab6 27.Ra8 Bf8 28.Nb5 Re4 29.Kd3 Rcc4 30.Ba3 (30...Rb4 31.c3+–) 1–0. Trkn – guest4695, ICC, 2005.

5.c3 a5 6.bc5 Bc5 7.e3 0-0 8.d4 Bd6 9.Bd3 Nc6 10.c4 Bd7 11.Nc3 dc4 12.Bc4 Rc8 13.Nb5 Bb8 14.Bd3 Nd5 15.0-0 f5 16.Qe2 Nce7 17.Rac1 Nc6 18.Rc2 Qf6 19.Rfc1 Kh8 20.Bc4 h6 21.Qd3 Qe7 22.Qb3 a4 23.Qd3 Na5 24.Ba2 Rc2 25.Rc2 Bc6 26.Ne5 Be5 27.de5 Qg5 28.f4 Qe7 29.Nd6 Qd7 30.Bd4 Nb3 31.Qc4 Ra8 32.Rb2 b5 33.Qf1 Nd4 34.Bd5 Bd5 35.ed4 Bc6 36.Rc2 Rb8 37.Qc1 Rb6 38.Qd2 Ra6 39.Qc3 Kh7 40.Qc5 Qd8 41.Rd2 Qa5 42.Rd1 Kh8 43.Qc2 Kh7 44.Rb1 Rb6 45.Rb4 Qa8 46.g4 g6? 47.d5! ed5 48.gf5 Qg8 49.f6 Qe6+/– 50.f5 Qe5 51.fg6 Kg8 52.f7 Kf8 53.Rg4 Qe1 54.Kg2 d4 55.Kh3 Qf1 56.Kh4 Qf6 57.Kh5 Qe5 58.Qf5 Qf5 59.Nf5 Rb8 60.Rd4 Be8 61.fe8Q Ke8 62.Kh6 Ra8 63.Kh7 b4 64.Rb4 Kd7 65.g7 Ke6 66.g8Q Rg8 67.Ng7 Kf6 68.Kg8 Ke5 69.h4 Kd5 70.h5 Ke5 71.h6 Kd5 72.h7 Ke5 73.h8Q Kd5 74.Qh6 Kc5 75.Qa6 Kd5 76.Qb6 Ke5 77.Qd4 1–0. GLChess210 – Yace01a, computer chess game, 2000.

5.c3 Bd7 6.e3 Na6 (6...Bd6 7.bc5 Bc5 8.c4=) 7.Be2 (7.Ba6 ba6 8.0-0 a5=) 7...Nc7 8.0-0 Be7 9.d3 0-0 10.Nbd2 a5 (10...b5 11.bc5 Bc5 12.c4=) 11.Qb3 (11.bc5 Bc5 12.c4 dc4=) 11...ab4 (11...b5=) 12.cb4 (12.ab4 cb4 13.Ra8 Na8 14.cb4 Nb6=) 12...cb4 (12...Ba4 13.Qc3 d4 14.Qc1 de3 15.fe3 cb4 16.ab4=+) 13.a4 (13.ab4!? Na6 14.Rfb1=) 13...Na6 (13...Ra5 14.Rfc1=+) 14.d4 (14.Bf6 Bf6 15.d4 Qa5=+) 14...Rc8 (14...Nc7 15.Ne5=+) 15.Ne5 Rc7 (15...Qa5 16.Qd3=+) 16.Nd7 (16.Rfc1 Bd6=) 16...Qd7=+ 17.Bb5 Qd6 18.Rac1 Rfc8 19.Rc7 (19.Nf3 Ne4=+) 19...Rc7 20.Nf3 Ne4 21.Rc1 Rc1-/+ 22.Bc1 Nc3 23.Bf1 Qc6 24.Bd2 Qa4 25.Qa4 Na4–+ 26.Bb5 Nc3 27.Bd3 Nc7 28.Kf1 N3b5 29.Bb5 Nb5 30.Ke1 b3 31.Bc1? Ba3 32.Ba3 Na3 33.Nd2 b2 34.Kd1 b1Q (35.Nb1 Nb1–+; 34...b5 35.f3–+) 0–1. Fischer,Paul – Willimann,Philipp, Samnaun HT2, 2004.

5.c4 dc4 6.bc5 Bc5 7.Qa4 (7.e3 b5=) 7...Nc6 8.Qc4 (8.e3!?=+) 8...Qb6-/+ 9.Bf6 Bf2 (9...gf6?! 10.e3=) 10.Kd1 gf6 11.Nc3 Qb2 (better is 11...f5-/+) 12.Rb1+= Qa3 13.e3 Ne5? (13...e5 14.Ke2 Be3 15.de3+=) 14.Qf4?? (better is 14.Ne5 fe5 15.Nb5+–) 14...Nf3 15.Bb5 Ke7 16.gf3 Qd6 17.Qg4?? Be3–+ 18.Rb2 Bd4 19.Rc2 e5 20.Qg2 Bf5 21.Rc1 Rac8 22.f4 Bc3 23.fe5 fe5 24.Qb7 Rc7 25.Qg2 Rg8! 26.Qf2 Bg4 27.Ke1 Bd4 28.Qh4 f6 29.Qh7+– Kf8 30.Rc7 Bf2 31.Kf2?? Qd2–+ 32.Kf1 Qd1 (32...Qd1 33.Kf2 Qf3 34.Ke1 Qe3 (34...Qh1 35.Bf1 Qf1 36.Kf1 Be2 37.Ke2 Rg2 38.Ke3 Rg3 39.hg3 f5 40.Qf7) 35.Kf1 Bh3 36.Qh3 Qh3 37.Ke1 Rg2 38.Be2 Qh4 39.Kd1 Qd4 40.Bd3 Qd3 41.Kc1 Qd2 42.Kb1 Qb2#) 0–1. arsigen (1950) – bonaparte (2270), net–chess.com, 2008.

5.bc5 Na6 6.d4+= b6 7.e3 (7.cb6!? Qb6 8.Ra2+=) 7...bc5= 8.c4 Qb6 9.Bc3 Ne4 10.cd5 Nc3 (10...ed5!? 11.Qa4 Ke7+=) 11.Nc3+/– Nc7 12.Qd2 Qa5 (12...ed5 13.Na4 Qf6 14.Qa5+/–) 13.Ne5 (13.Nb5 Qd2 14.Kd2 Nd5+–) 13...ed5 (13...cd4 14.Nb5 Qd2 15.Kd2 Nd5 16.e4+/–) 14.Nb5 (14.Nd5!? Qd2 15.Kd2 Nd5 16.Bb5 Ke7 17.Bc6+/–) 14...Qd2+= 15.Kd2 Ne6 16.Nc3 a6 17.Nd5 Bb7 (17...cd4 18.Nb6 de3 19.fe3+=) 18.Bc4 Bd6 (18...cd4 19.Rhb1 de3 20.Ne3 Rd8 21.Ke1 Be4 22.Be6 fe6+/–) 19.Rab1 Ra7 20.Rb6 Be5 21.de5 Bd5 22.Bd5 Ke7 23.Be6 fe6 24.Rhb1 Rd8 25.Kc2 Rdd7 26.f4 h5 (26...c4+–) 27.Rc6 Rd5 28.Rbb6 Rad7 29.Re6 Kf8 (29...Kf7 30.Red6 R7d6 31.ed6+–) 30.Red6 1–0. Chandler,Patrick (2105) – Fuks,Boris (2135), Regionalliga NW, 2005. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5)

5.d3 b6 6.e3 (6.Qd2 a6=+) 6...Bb7 (6...cb4 7.Be2-/+) 7.c3 (7.bc5 Bc5 8.Be5 0-0=) 7...Be7 8.Be2 0-0 9.0-0 Qc7 (9...Nbd7 10.Nbd2=) 10.c4 (10.bc5 Bc5 11.Nbd2 Rc8=) 10...Re8 (10...dc4!? 11.bc5 cd3 12.Bd3 Qc5-/+) 11.Be5 Qd7 12.cd5 (12.bc5 bc5 13.cd5 ed5=) 12...Bd5 (12...cb4 13.de6 Qe6 14.e4=) 13.bc5+= Bc5 (13...bc5 14.Nc3+=) 14.Bf6 gf6 15.d4 Bd6 16.Qd3 Kh8 (16...f5 17.Nc3+=) 17.Bd1 (better is 17.Nc3+=) 17...Nc6? (better is 17...Bb7 18.Nbd2 e5 19.de5 Be5 (19...fe5? 20.Ng5 f6 21.Ba4+–) 20.Qd7 Nd7+=) 18.e4+– Be4 19.Qe4 Rg8 20.d5 Ne7 21.de6 fe6 22.Bc2 f5 23.Qd4 Rg7 24.Ne5 Qc7? 25.Nf7 Kg8 26.Nh6 Kf8?? 27.Qf6+– Ke8 28.Qg7 Bh2 29.Kh1 Be5 30.Qf7 Kd8 31.Qf8 Kd7 32.Ba4 Nc6 33.Rd1 Bd6 34.Qa8 a5 35.Bc6 Qc6 36.Qc6 Kc6 0–1. alexson – retiponziani, ChessWorld.net, 2009.

5.d4 cb4!? 6.e3 Nc6 -/+.

5.d4 c4 6.Nc3= a6 7.g3 Bd6 8.Ne5 (8.e4 Ne4 9.Ne4 de4=) 8...0-0 9.f4 Be5 (better is 9...b5!?+=) 10.fe5+= (worse is 10.de5 Ng4 11.e4 Ne3+=) 10...Ng4 11.Bh3 Qg5 12.Bc1 (12.0-0 Ne3 13.Qd2 Qh6+=) 12...Qh5 13.Bg2 Nc6? (better is 13...f6 14.h3 Ne5+=) 14.Bf3?? (better is 14.e4 Qg6 15.0-0+/–) 14...Qh3+= 15.Bg4 Qg4 16.Be3 Qh3 17.Qd2 Bd7 18.0-0-0 b5–+ 19.Rdg1 Qg4 20.h3-/+ Qg6 21.g4 a5 22.h4 f6 23.Nb5 fe5 24.Nd6? ed4 25.h5?? de3 26.Qe3 Qf6 27.g5 Qd4 28.Qg3 ab4 29.Nb5 Qc5 30.h6 g6 31.Qc7 Qe3 32.Kb1 Ne5 33.Rd1 ba3 34.Ka2 Rfb8 35.Rh2 Qe4 36.Rc1 Rb5 37.Rh4 Qf5 38.e4 de4 39.Re1 e3 40.Rc4 Nc4 41.Qc4 (41.Rc1 Rb2 42.Ka1 Qb5 43.Qb7 Qb7 44.c3 Ra2 45.Ka2 Qb2 mate) 0–1. Gietkowski,Grzegorz – Przeperski,Witold (1800), Indywidualne Mistrzostwa MCKiE Malbork Poland, 2012. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5)

5.e3 a6 6.bc5= Bc5 7.c4 Nc6 (7...dc4 8.Bc4 b5 9.d4=) 8.Qc2 (8.d4 Be7 9.cd5 ed5 10.Bd3=) 8...h6 (8...d4!?=+) 9.cd5+= Qd5 10.Nc3 (10.Bc4 Qd8+=) 10...Qd8 11.Be2 (11.d4 Bd6+=) 11...Be7 (11...e5 12.Ne5 Ne5 13.d4+=) 12.0-0+= 0-0 13.d4 b6 14.Rfd1 (14.Rad1 Bb7=) 14...Bb7= 15.Rac1 (15.Bd3 b5=) 15...Rc8 16.Qb1 (16.e4 Na5 17.Qb1 Nc4 18.Bc4 Rc4=) 16...Nd5 (16...Na5 17.e4=) 17.Qe4 Nc3 18.Bc3 Qd5 19.Qd5= ed5 20.Bb2 a5 21.Rd2 Na7= 22.Rdc2 Rc2 23.Rc2 Rc8 24.Rc8 Bc8 25.Ne5 f6 26.Ng6 Bd6 27.Bd3 Bd7 28.Nh4=+ Nb5 29.Nf5 Bf8 30.Bb5 Bb5-/+ 31.f3 Bd3 32.Ng3 Bd6-/+ 33.Kf2 Kf7 34.h3 Bg3 35.Kg3=+ b5 36.Bc3= a4 37.Bb4 g6 38.h4 h5 39.Kf4 Bf1 40.g3+= Ke6 41.Bc5 (41.e4 Bc4+=) ½–½. Berea de Montero,Maria – De Castro Rubio,Dora, Rio de Janeiro zt (Women), 1957.

5.e3 Qb6 6.Bf6+= gf6 7.bc5 Bc5 8.Nc3 d4? (better is 8...Qa5!?=) 9.Na4+/– Qa5 10.Nc5 Qc5 11.Nd4 Bd7 (11...e5 12.Qh5+/–) 12.Qb1 (12.Qf3!? Bc6 13.Qf6 Rg8 14.Ne6 fe6 15.Qe6 Kf8+–) 12...b6 13.Be2 Qg5?? (better is 13...e5 14.Nb5 Kd8+–) 14.Bf3+– e5 15.Ba8 ed4 16.ed4 Nc6 17.0-0 f5 18.d5 Rg8 19.g3 Ne5 20.f4 (20.f4 Qd8 21.Qe1 Qa8 22.Qe5 (22.fe5?! Qd5 23.c4 Qc4+–) 22...Kd8 23.Rf3+–) 1–0. spblex – arturdoria (1705), net–chess.com, 2009.

5.e3 Bd6 6.b5 0-0 7.a4 Nbd7 8.Be2 b6 9.0-0 Bb7 10.c4 Rc8 11.d3 Bb8 12.Nbd2 Qc7 13.g3 e5 14.cd5 Bd5 15.Rc1 Rfe8 16.d4 ed4 17.Nd4 Qb7 18.N4f3 h6 19.Bc4 Be4 20.Ne4 Ne4 21.Bd5 Qc7 22.Bc6 Rcd8 23.Qc2 Ndf6 24.Be8 Re8 25.Rcd1 h5 26.Be5 Qc8 27.Bb8 Qb8 28.Qd3 Qc8 29.Kg2 Qf5 30.Nh4 Qe6 31.f3 Ng5 32.e4 c4 33.Qe3 Ngh7 0–1. oldi62 – ar1247, internet, 2014.

5.Be5 Nbd7 6.c3 Ne5 7.Ne5 Bd6 8.d4 cd4 9.cd4 Qc7 10.f4 Be5 (10...a5 11.b5+=) 11.fe5= Ne4 12.e3 a6 (12...Qe7 13.Bb5 Bd7 14.Bd7 Qd7 15.0-0=) 13.Bd3+= Nc3?? (better is 13...0-0+=) 14.Qc2+– Nb5 15.Bb5 (15.Bb5 Kd8 16.Qc7 Kc7 17.Bd3+–) 1–0. Yannick – GED, playchess.de, 2005.

5.g4 cb4-/+ 6.g5 Ne4 7.d3? (better 7.ab4!? Ng5 8.e3-/+) 7...Ng5 8.Bg2 Nf3 9.Bf3 f6 10.0-0 ba3 11.Na3 Nc6 12.Kh1 Bd7 (12...e5 13.c4 Ba3 14.Ra3 dc4 15.dc4 Qd1 16.Rd1-+) 13.Rg1 (better 13.c4-+) 13...Bc5?? (better 13...Qb6 14.Qc1 Qf2-+) 14.Rg7=+ Bf2?? (14...Kf8 15.Qd2 h5=+ (15...Kg7?? 16.Qg5 Kf7 17.Bh5 Kf8 18.Qh6 Ke7 19.Qf6 Kd6 20.Nb5; 15...Bf2 16.Qh6 Be3 17.Rg5 Ke7 18.Bf6 Kd6 19.Bd8 Rhd8 20.Rd5 Kc7 21.Nb5 Kc8 22.Qe3 ed5 23.Qf4 Ne5 24.Nd6 Kc7 25.Qe5 Rg8 26.Bd5 a6 27.Nc4 Kc8 28.Nb6 Kd8 29.Qd6 Rg7 30.Rf1 Rg1 31.Kg1 Ke8 32.Qd7)) 15.Qf1 (better 15.Bh5 Kf8 16.Rf7 Ke8+-) 15...Bh4?? (15...Kf8 16.Rd7 Qd7 17.Qf2+=) 16.Qh3 (better 16.Bh5 Kf8 17.Rf7 Kg8 18.Bf6 Qf6 19.Qf6 Bf6 20.Rg1 Bg7 21.Rgg7) 16...Bg5?? (better 16...Qb6 17.Rb1 Qf2+=) 17.Qh5 Kf8 18.Qf7 1-0. black_bishop_88 (2540) - skipper_pingui3 (2410), lichess.org, 2020. (=1.a3 e6 2.b4 d5 3.Bb2 Nf6 4.Nf3 c5)

5.g4 Nc6 6.g5 Ne4 7.b5 Qb6 8.a4 c4 9.e3 Nd8 (9...h6 10.gh6 Rh6 11.d3 cd3 12.cd3=) 10.Nc3= Nc3 11.Bc3 Rg8 (11...h6 12.gh6 Rh6 13.d3 cd3 14.cd3=) 12.h4 (12.d3 cd3 13.Qd3 Rh8+=) 12...Bc5 (12...a6 13.ba6 Ra6 14.d3+=) 13.Bd4 (13.h5 a6+=) 13...Bd7 (13...Bd4 14.ed4 a6 15.ba6 Qa6 16.Ne5=) 14.c3 f6 (14...Bd4!? 15.ed4 a6=) 15.gf6+= gf6 (15...Bd4!? 16.a5 Qb5 17.Nd4 Qb2=) 16.Bf6+/- Nf7 17.Bd4 (17.d3 e5 18.Be5 Bg4+/-) 17...0-0-0 (17...Bd4 18.ed4 0-0-0+=) 18.a5 (18.d3 cd3 19.Qd3 Qc7+/-) 18...Qc7? (better 18...Qb5!? 19.d3 h6=) 19.b6 (19.Qb1 Bd4 20.cd4 Qd6+-) 19...ab6+/- 20.ab6 Qb6 21.Rb1 Qa7 22.Bc5 (22.Ra1 Qb6+/-) 22...Qc5+= 23.Bh3 (23.Qc2 h6+=) 23...Rge8 (23...e5 24.Bd7 Rd7 25.Qa4+=) 24.Qc2 e5 (24...h6 25.Qg6 Qe7 26.d4+=) 25.Bd7 (25.Qh7 Qe7+/-) 25...Rd7 26.Qh7 d4 (26...e4 27.Nd4+/-) 27.Qf5 dc3 28.Rb7! cd2 (28...Kb7 29.Qd7 Double attack (29.Qd7 Deflection; 29.Qd7 Overloading)) 29.Nd2 Ree7 30.Rd7 Rd7 31.Ne4 (31.Qc2 Rc7+-) 31...Qb4+/- 32.Ke2 c3 (32...Kc7 33.Qe6 c3 34.Nf6 Rd2 35.Kf3 Qb7 36.e4+-) 33.Kf3 (33.Rd1 Qb5 34.Kf3 c2+-) 33...Kc7? (better 33...Nd6 34.Qf8 Kb7 35.Nd6 Qd6 36.Qd6 Rd6+-) 34.Rc1+- Nd6 35.Rc3 Kd8?? (35...Qc3 36.Qd7! Kd7 37.Nc3 Nc4+-) 36.Qf6 (36.Qf8 Ne8 37.Qb4 Rf7 38.Kg4 Rc7 39.Rd3 Kc8 40.Qb6 Nf6 41.Qf6 Kb7 42.Rb3 Kc8 43.Qe6 Rd7 44.Nc5 Kd8 45.Qd7) 36...Ke8 (36...Re7 37.Qd6 Qd6 38.Nd6 Rd7+-) 37.Nd6 Qd6 38.Rc8 Rd8 39.Rd8 (better 39.Qd6 Rc8 40.Qe5 Kd7 41.Qf5 Kd8 42.Qc8 Kc8+-) 39...Qd8 40.Qd8 Kd8 41.Ke4 Ke7 42.Ke5 Kf7 43.f4 (43.f4 Kg6 44.f5 Kf7 45.Kf4 Ke8 46.e4 Ke7 47.e5 Kf7 48.Kg5 Ke7 49.Kg6 Kd7 50.e6 Kd6 51.h5 Ke7 52.h6 Ke8 53.h7 Kd8 54.h8Q Kc7 55.Qe5 Kb6 56.e7 Kb7 57.Qd6 Ka7 58.e8Q Kb7 59.Qeb8) 1-0. black_bishop_88 (2545) - BehindBluEyes (2510), lichess.org, 2020. (=1.a3 e6 2.b4 d5 3.Bb2 Nf6 4.Nf3 c5)

6.a4 ab5 7.ab5 Ra1 8.Ba1 Qa5 9.Bf6 gf6 10.e3 Bd7 (10...c4 11.c3+=) 11.Nc3= c4 12.Qb1 Bb4 13.Qa2?? (13.Na2!? Be7 14.Nc3+=) 13...Qa2 (better is 13...Bc3 14.Qb1 Qa1 15.Qa1 Ba1–+) 14.Na2-/+ Ba5 15.Nc3 Bc3 16.dc3 Bb5 17.Nd4 Ba4 18.Kd2 Nc6 19.f4 (19.e4 de4 20.Bc4 Ne5-/+) 19...Nd4 (19...Rg8!?-/+) 20.cd4+= f5 21.Be2 Ke7 22.Rg1 b5 23.h3 Ra8 24.Ra1 b4 25.Bd1 Bc6 26.Ra8 Ba8 27.Ke2 Bc6 28.Kf3 Be8 29.g4 0–1. Unruh,Charles M – Moore,Jeremy, Norman Weasel op, 2004. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 c5 5.b5 a6)

6.ba6 Na6 7.e3 Bd7 8.c4 Be7 9.Be2 Nc7 10.0-0 0-0 11.d4 Ne4 12.cd5 Nd5 13.Qc2 f5 14.Ne5 (14.Nbd2!? Ba4 15.Qd3=+) 14...Ba4-+ 15.Qd3 (15.Qc4 Ra5-/+) 15...b5 16.Nc6 Qc7 17.Ne7 Qe7 (17...Ne7?! 18.Bf3=+) 18.f3?? (better 18.dc5 Rad8 19.Be5 Qc5 20.Bd4-+) 18...c4 19.fe4 cd3 20.Bd3 (20.ed5 de2 21.Re1 Bd1-+) 20...Ne3 (20...fe4!? 21.Be4 Rf1 22.Kf1 Rf8 23.Kg1-+) 21.Re1 f4 (better 21...Ng2 22.Re2 Nf4 23.Re3 fe4 24.Bf1-+) 22.Nc3 Qg5 (22...Qg5 23.Bf1 f3 24.Re3 Qe3 25.Kh1 Qf2 26.gf3 Qb2-+) 0-1. Darkseid (1760) - Ancatil (1680), ChessWorld.net, 2006.

6.c4 dc4 7.a4 (7.Qa4 Nbd7 8.ba6 b5 9.Qb5 Rb8 10.Bf6 Qf6 11.Qb8 Nb8 12.a7 Qb2 13.e3+=; 7.Nc3 A) 7...Bd7 8.a4 (8.ba6 b5 9.e3 Nd5 10.a4 b4 11.Nb5 Ra6 12.Bc4 Nb6 13.d3=) 8...ab5 9.ab5 Ra1 10.Qa1 Qb6 11.e3 Be7 12.Bc4 0-0 13.0-0+=; B) 7...Qa5 8.ba6 (8.a4 Nbd7 9.e4 Bd6 10.ba6 ba6 11.Rb1 Rb8 12.Bc4 Rb4 13.Bd3+=) 8...Qa6 9.e3 Nc6 10.a4 Be7 11.Nb5 Qb6 12.Bc4 0-0 13.0-0=; C) 7...ab5 8.Nb5 Bd7 9.a4 Nc6 10.e3 Na5 11.Ne5 Be7 12.Nc4 0-0 13.Bc3+=) 7...ab5 8.ab5 Ra1 9.Ba1 Qa5 10.Nc3 Bd7 (10...Qb4 11.e3 Nbd7 12.Qe2 Qa5 13.Qd1+=) 11.Qb1 (11.e3 Bb5 12.Nb5 Qb5 13.Bf6-/+) 11...Qb4 (11...Nd5 12.e3 (12.Nd5 ed5 13.Be5-/+) 12...Nc3 13.Bc3-/+) 12.Qa2 (12.Qb2 Bd6+= 13.e4+=) 12...Bb5-/+ 13.Qa8? (better is 13.Nb5!? Qb5 14.e3-/+) 13...Bd6–+ 14.Qb7 (14.Qa2 Ba6–+) 14...Ba6 15.Qa8? (15.Qb4 cb4 16.Nd1–+) 15…Qa3 0–1. Popovic,Milo (2275) – Savanovic,A (2410), 48th TCh–SCG, Herceg Novi SCG, 2005. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.b5 a6)

6.d4 Qa5-/+ 7.Nfd2 (7.Bc3 Qb5 8.e3 c4-/+) 7...Qb5 8.Nb3 (8.Ra2!?-/+) 8…c4–+ 0–1. Woschkat,Karl_Heinz – Erler,Ekkehard, CiF, 1995.

6.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.b5 a6 6.Nf3).

6.e3 Bb7 7.c4 Be7 8.d4 0-0 9.Nbd2 Nbd7 10.Be2 Ne4 11.0-0 cd4 12.Ne4 de4 13.Nd4 Nc5 14.Qc2 Bf6 15.Rfd1 Qc7 16.Rac1 Rfd8 17.Bf1 Rd7 18.a4 (18.Nb3!? Bb2 19.Rd7 Nd7 20.Qb2=) 18...Rad8+= 19.Bc3 e5 20.Nf5 Nd3 21.Bd3 ed3 22.Qb3 d2 23.Ra1 Rd3 24.Qb4 (24.Ra2 Bc8 25.Ng3 Bh4=) 24...Qd7 (24...Bc8!? 25.Ng3 Rc3 26.Qc3 e4-/+) 25.Ng3+= Rc3 26.Qc3 e4 27.Qa3 Ba1 28.Qa1 Qd3 29.Nf5 f6= 30.Nd4 Rc8 31.h3 Rc4 32.a5 Bd5 33.ab6 ab6 34.Kh2 Rc5 35.Qb2 Bc4 36.Rd2+= Qf1 37.Rc2 Rg5= 38.f4 ef3 39.Nf3 Rc5? 40.Qd4?? Qd3 41.Qd3 Bd3 42.Rc5 bc5 43.b6 Ba6 44.Nd2 Kf7 45.Ne4 c4 46.Nc5 Bc8 47.b7 Bb7 48.Nb7 c3 49.Na5 c2 50.Nb3+/– Ke6? 51.Nd4+– Ke5 52.Nc2 Ke4 53.Nd4 g6 54.Kg3 Ke3 55.Ne6 h5 56.h4 Ke4 57.Ng7 Ke3 58.Kh3 Kf4 59.Ne6 Kf5 60.Nd4 Ke4 61.Nf3 Kf4 62.Nd4 Ke4 63.Ne6 Kf5 64.Nc5 Kf4 65.g3 Kf3? 66.Nd7 Ke4 67.Nf6 Kf5 68.Nh7 Ke4 69.Kg2 Ke5 70.Kf3 Kf5 71.Ng5 Ke5 72.g4 hg4 73.Kg4 Kf6 74.Ne4 Kf7 75.Kg5 Kg7 76.Nd6 Kh7 77.Nc4 Kg7 78.Ne5 Kh7 79.Ng6 Kg7 80.h5 Kh7 81.h6 Kg8 82.Ne5 Kh7 83.Nd7 Kg8 84.Kg6 Kh8 85.Ne5 Kg8 86.h7 (86.h7 Kf8 87.Kf6 Ke8 88.h8Q) 1–0. Enxtuul,A (1975) – Tsai,C (2150), 1st WMSG Rapid Team w, Beijing CHN, 2008.

6.e3 Be7 7.Be2 Nbd7 8.0-0 0-0 9.a4 Bb7 10.Re1 Qc7 11.d3 Rad8 12.Nbd2 e5 13.Nh4 Rfe8 14.Nf5 Bf8 15.c4 d4 16.e4 g6 17.Ng3 Bg7 18.a5 Nf8 19.Nf3 Ne6 20.Bc1 Nf4 21.Bd2 Ne2 22.Qe2 Nd7 23.Reb1 f5 24.a6 Ba8 25.ef5 e4 26.de4 d3 27.Qd1 Ba1 28.Ra1 Be4 29.Ne4 Re4 30.fg6 hg6 31.Bg5 Rde8 32.Qd3 Nf8 33.Be3 Qe7 34.Rd1 Re3 35.fe3+– Qe3 36.Qe3 Re3 37.Rd5 Rc3 38.Ne5 Kg7 39.Nc6 Rc4 40.Na7 Rc1 41.Kf2 c4 42.Nc8 c3 43.Nb6 c2 44.Rc5 Rb1 45.a7 Ra1 46.a8Q Ra8 47.Na8 Ne6 48.Rc2 Nd4 49.Rc7 Kf6 50.b6 1–0. marre (2120) – saxe0 (1755), GameColony.com, 2003.

6.e3 de3 7.fe3 Bd6 8.Be2 0-0 9.0-0 Qc7 10.Bf6+/– gf6 11.Qe1 b6 12.Qh4 Nd7 13.Bd3 f5 14.Ng5 Nf6 15.Qh6 Be5 16.Rf3 (16.Ra2 a6+=) 16...Rd8 (16...Ba1 17.Rg3 Qg3 18.hg3 Be5+=) 17.Rh3?? (17.Ra2 c4 18.Bf1 Bd7=) 17...Bb7?? (17...Ba1 18.Rg3 c4=) 18.Nh7= Nh7 19.Qh7 Kf8 20.Ra2 Ke7 (20...Bd5!? 21.c4 Bg2 22.Kg2 Rd3-/+) 21.Qh4= Bf6 22.Qf4 Be5 23.Qh4 Bf6 24.Qf2 Rh8 25.Rh8 Rh8 26.g3 Be5 27.Bf1? Rg8 28.Bg2 Bg3!–+ 29.hg3 Rg3 30.Kf1 Bg2 31.Ke1 Bd5 32.Rb2 Rh3 33.Qf4 Qf4 34.ef4 Rf3 35.Nc3 Rf4 36.Nd5 ed5 37.Ke2 Ke6 38.Ke3 Rh4 39.Ra2 Ke5 40.c3 Rh3 41.Kf2 Ke4 42.a4 Kd3 43.Kg2 Rh4 44.a5 Re4 45.ab6 ab6 46.Ra6 Re6 47.Ra2 Re2 48.Kf3 Rd2 49.Ra6 Rb2 50.Rb6 Kc4 51.Rf6 Rb5 52.Rf5 Rb3 53.Rf7 Rc3 54.Ke2 Rh3 55.Kd2 Rh2 56.Kd1 d4 0–1. Zak,Pawel (1740) – Bednarkiewicz,Jakub, 47. Miedzynarodowy Festiwal Szachowy im. Rubinsteina, Polanica Zdroj Poland, 2011.

6.e3 e5 7.Ne5 Bd6 8.ed4 cd4 9.Bd4 Nd5 10.Qe2 Qe7 11.Nc4 Qe2 12.Be2 Be7 13.Bf3 Be6 14.Bg7 Rg8 15.Bb2 Bf6 16.Bf6 Nf6 17.Bb7 (17...Bc4 18.Ba8+–; 17.Nd6!? Ke7 18.Bb7 Kd6 19.Ba8 Nbd7+–) 1–0. Wall,Bill – Detroit, Internet, 2006.

6.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc Bd6 6.Nf3).

6.a4 a6 7.g3 ab5-/+ 8.ab5 Ra1 9.Ba1 Bb5 10.Nc3 Ba6 11.Bg2 Nc6 12.0-0 Be7 13.d3 0-0 14.Qc1 b5 15.Nd1 Qb6 16.Ne5 Ne5 17.Be5 Nd7 18.Bb2 Bf6 19.c3 Rc8 20.Qd2 b4 21.cb4 cb4 22.Bf6 Nf6 23.Nb2 Qc6 (better 23...Qd4 24.Rb1 Ne4 25.Be4 de4-+) 24.Qb4=+ g6 (24...e5 25.Ra1=+) 25.Ra1= Bb5 26.h4 (26.e3 e5=) 26...Qd7 27.Qd4 Ne8 28.Nd1 Qc7 29.Ne3 Qc3 30.Qc3 Rc3 31.Kf1 ½-½. kianas (2080) - Motz Markus (2065), ChessWorld.net, 2013.

6.e3= a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Be7 (9...c4 10.Nc3=+) 10.c4 (10.Be2 c4=) 10...0-0 11.Be2 dc4 12.Bc4 Nd5 (12...Ne4 13.Qc2 Nd6 14.Bd3=) 13.Nc3 Bf6 (13...Nc3 14.Bc3 Bd6 15.0-0+=) 14.0-0 (14.Nd5 ed5 15.Bf6 Qf6 16.Bd5 Bb5 17.Bb7 Bd3=) 14...Bc3 (14...Nb6!? 15.Be2 Kh8=) 15.Bc3+= Nc3 (15...Qb6 16.Qe2+=) 16.dc3 Qf6 17.Qb3 (17.Qc2 Rd8+=) 17...e5 18.Ra1 (18.Bd3 Bg4 19.Be4 b6+=) 18...Bg4 19.Ne1 (19.Bd5 b6+=) 19...Nd7 (19...Rd8 20.Bd5 b6 21.Qc4+=) 20.Ra7+= Qb6 21.Ra4 (21.Qa2 Bh5+=) 21...e4 22.Bd5+= Be2 23.Be4 Bb5 24.Ra1 Ba6 25.Qc2 Nf6 26.Rb1 Qc7 27.Bf3 Rd8 28.c4 Nd7 29.Nd3 Nb6 30.Nb2 g6 31.g3 Rd6 32.Kg2 Qd8 33.Qc3 Qd7 34.Ra1 Qe6+= 35.Rc1 f6 36.h3 Kg7 37.Bg4 Qe5 38.Qc2+= h5 39.Bf3 Qe7 40.Qc3 Qe5 (40...Qe6 41.Qa5 Qf5 42.Rc3+=) ½–½. Sebald,Ralph – Staub,Florian, GER–chT U15 Bonn, 1996.

6.e3= a6 7.a4 ab5 8.Bb5 Bb5 9.ab5 Ra1 10.Ba1 Be7 11.0-0 0-0 12.d3 Qa5 13.Nc3 Nbd7 14.Qd2 Ra8 15.h3 (15.Rb1 e5=+) 15...e5 16.Rb1 d4 17.Nd1 Qd2 18.Nd2 Ra2 (18...Nd5 19.c3=+) 19.Bb2 Nb6 (19...Nd5 20.Nb3=+) 20.Ra1= Ra1 21.Ba1 Nfd5 22.Nc4 (better 22.c3!? de3 23.fe3=) 22...Nc4-/+ 23.dc4 Nb6 24.Nb2 Bg5 (24...de3 25.fe3 e4 26.Kf2–+) 25.Nd3 (25.ed4!? ed4 26.Nd3=+) 25...de3 26.Be5 Nc4 27.fe3 Be3 (worse 27...Ne5 28.Ne5 Be3 29.Kf1=+) 28.Kf1 Ne5 (28...f6!? 29.Bc7 Na3-/+) 29.Ne5=+ f5 (29...Bf4 30.Nd7 c4=) 30.Ke2= Bd4 31.Nf3 (better 31.Nc4!?=) 31...Bf6=+ 32.Kd3 Kf7 (32...b6!?-/+) 33.Kc4= Ke6 34.Kc5 Kd7 (34...Bd8 35.b6=) 35.c4+= g5 (35...Kc7 36.Kd5+=) 36.Kd5+– h5 (better 36...b6+–) 37.g4?? (better 37.Ne5 Ke7 38.c5+–) 37...fg4 38.hg4 hg4 39.Ne1 g3 (39...b6 40.c5 bc5 41.Kc5-/+) 40.Ng2 (40.c5 Kc7=+) 40...Bc3 41.c5 Bd2 42.Ke5 Kc7 43.Ke4 b6 (43...Bc3 44.Kd3 Bg7 45.Ke4=+) 44.c6= Kd6 (better 44...Bf4!?=) 45.Ne3+– Kc7 (45...Bc3 46.Nf5 Ke6 47.Ng3+–) 46.Kf3 Be1 (46...Bc1 47.Nd5 Kd6 48.Nb6+–) 47.Nd5+– Kb8 48.Nb6 g4 (48...Bf2 49.Nd7 Kc7 50.Nf6+–) 49.Kg2 (49.Kg4?? g2 50.Nd7 Kc8 51.Nb6 Kd8–+) 49...Bf2 50.Nd7 Kc7 51.Ne5 Bc5 52.Ng4 (better 52.Nc4!? Bf2 53.Nb2+–) 52...Bd6 53.Nf6 Kb6 54.Ne4 Kb5 ½–½. Sapareva,Magdalena – Razmirov,Stanislav, 175th MGU Sofia, 2016.

6.e3= a6 7.ba6 Na6 8.c4 (8.Nc3 Be7=) 8...dc4 (8...Bd6 9.Qb3=+) 9.Bc4 b5 10.Be2 Bd6 11.Ne5 Nc7 12.0-0 (12.Nd7 Qd7 13.Bf6 gf6=) 12...0-0 13.f4 (13.Nd7 Qd7 14.Bf6 gf6=) 13...Qe7 (13...Ncd5 14.Qc2=+) 14.Qe1 (14.Nd7 Qd7 15.Bf6 gf6=) 14...Ncd5 15.Qh4 (15.Bf3 Ra7=) 15...Ra7 (15...c4 16.Bf3=+) 16.g4 (16.e4 Nc7=) 16...c4=+ 17.Rf3 (17.g5 Ne4 18.Bf3=+) 17...Ne4 (17...Rd8 18.g5 Ne4 19.Rh3=) 18.g5 (18.Qe7!? Be7 19.d3+=) 18...Be5 (18...h6 19.Rh3=+) 19.Rh3 h6 20.Be5 f6 21.gf6 Ndf6 22.d3 cd3 23.Bd3 (Black creates threats along the open d–file) 23...Qc5 (23...Bc6 24.Bd4 Rd7 25.Be4 Be4 26.Nc3=) 24.Qe1 (24.Kf1!?=) 24...Qd5=+ 25.Bf1 (25.Bd4 Ra4 26.Bf6 Nf6 27.Bf1 Rf4 28.ef4 Qd4 29.Qf2 Qa1 30.Rb3-/+) 25...Ng4 26.Nc3 Nc3 27.Bc3 Bc6 28.e4 Qc5 29.Kg2 Rf4 30.Bb4 Rf2 31.Kg1 Qc2 32.Rc1=+ Qe4 33.Qe4 Be4 34.Rc8 Kh7-/+ 35.Bb5?? Raf7–+ 36.Rg3 Rh2 (37.Rf3 Rf3 38.Rc4 Rg3 39.Kf1 Ne3 40.Ke1 Rg1) 0–1. Bessat,Remy (2030) – Betton,Olivier (2100), FRA–ch Open A, 2001.

6.e3= a6 7.Nc3 ab5 8.Nb5 c4 =.

6.e3= a6 7.Nc3 ab5 8.Nb5 Nc6 9.Be2 Be7 10.Rb1 0-0 11.0-0 c4 12.d3 cd3 13.cd3 Qa5 14.Bc3 Qa4 15.Qa4 Ra4 16.Bd1 Ra6 17.Bc2 Rc8 18.Rfc1 Ba3 19.Na3 Ra3 20.Bf6 gf6 21.Rb7 Be8 (21...Ne5!? 22.Ne1 Nd3 23.Nd3 Rd3-/+) 22.d4 (22.Bb1!?=) 22...Na5 23.Rb2 Rac3 24.Ne1 Ba4 25.Ra2 Bc2 26.Ra5 Be4 27.Rc3 Rc3 28.f3 Re3 (better is 28...Bg6 29.Kf2 h5=) 29.Kf2+– Re1 30.Ke1 Bg6 31.g4 h5 32.h4 hg4 (32...f5!?+/–) 33.fg4+– Be4 34.Ke2 e5 35.Ke3 Kg7 36.Ra8 f5 37.gf5 ed4 38.Kd4 Kf6 39.h5 Kf5 40.Rg8 Kf6 41.h6 Ke7 42.Rg5 Bh7 (42...Kf8+–) 43.Rg7 Be4 44.h7 Bh7 45.Rh7 Ke6 46.Rh6 f6 47.Rh5 Ke7 (48.Rd5 Kf7+–) +–. kamret (2250) – dav240 (2005), GameColony.com, 2003.

6.e3= Qb6 7.a4 a6 8.a5 Qc7 (8...Qd8 9.b6=) 9.b6 Qc8 (9...Qd8 10.Be2=) 10.c4 (10.Bf6 gf6 11.c4 dc4 12.Bc4 Rg8+=) 10...Nc6 (10...Qd8 11.Be2=) 11.cd5 (11.Bf6 gf6 12.cd5 ed5+=) 11...Nd5 12.Be2 (12.Bc4 Bd6+=) 12...Be7 13.0-0 0-0 14.d4 (14.Nc3 Rd8+=) 14...cd4 15.Nd4 Nd4 (15...Rd8 16.Qb3=) 16.Bd4 (16.Qd4 Bf6 17.Qd2 Rd8+=) 16...Qd8 (16...Rd8 17.Qb3=) 17.Bf3 (17.Bd3 f5+=) 17...Bc6 18.Nd2 (18.e4 Nf4 19.Be3 Bf6=) 18...Bf6 (18...Bb4 19.Nc4=) 19.Ne4+= Bd4 20.Qd4 Qe7 21.Rac1 Rfd8 22.Rc6 (better is 22.Qe5!?+=) 22...bc6=+ 23.Qc4 Qb7 24.Nc5= Nb6 25.ab6 Qb6+= 26.g3 a5= 27.h4 Rab8 28.h5 Qb4 29.Qc1 Rb5 30.Ne4 a4 31.h6 a3 32.hg7 a2 33.Nf6 Kg7-/+ 34.Nh5 Kf8 35.Bc6? Rc5 36.Qa1 Rh5 37.Qa2 Qd6 38.Bf3 Rh6 39.Rd1-/+ Qe7 40.Rd8 Qd8 41.Qb2 Qf6 42.Qb8 Kg7–+ 43.Qa8 Qf5 44.Qa1?? Rf6 45.Bg2 Qf2 46.Kh2 Qe3 47.Qb2 Qh6 48.Kg1 Qg5 49.Kh2 h5 50.Bh3 Kh6 51.Bg2 h4 52.g4 Qf4 53.Kh1 Kg5 54.Bh3 Qe4 55.Bg2 Qg4 56.Qd2 Qf4 57.Qa5 Rf5 58.Qe1 Qf2 59.Qc1 Rf4 60.Qc3 h3 61.Bh3 Rh4 62.Qc5?? Qc5 63.Kg2 Qc2 64.Kf3 Rf4 65.Ke3 Qf2 66.Kd3 Rd4 67.Kc3 Qd2 68.Kb3 Rb4 69.Ka3 Qb2 0–1. uno (1880) – ege (1860), ICC, 2003.

6.e3= c4 7.Nc3 Qa5 8.a4 =.

6.e3= c4 7.Nc3 a6 8.ba6 Na6 9.Be2 Be7 10.0-0 0-0 11.Ne5 Nc5 12.Bf3 b5 13.Re1 Na4 (13...Bd6 14.Nd7 Qd7 15.e4 (15.g3 h6 16.Qe2 Rfb8 17.Rf1 Re8 18.Rfe1 Nfe4) 15...Nfe4 16.Be4 (16.Ne4 de4 17.Be4 Ra6 18.Qe2 Na4) 16...de4 17.Ne4 Ne4 (17...f6 18.Qg4 Ne4) 18.Re4+= f6; 13...Qc7 14.Nd7 Qd7 15.g3 h6 16.d3 Bd6 17.Ne2 Rfc8 18.Bf6 gf6) 14.Na4= Ra4 15.d3 (15.h3 Qc7+= 16.Qe2 Bd6 17.Nd7 Qd7 18.d3 Rfa8; 15.g3 Qc7 16.Qe2 Rfa8 17.Nd7 Qd7 18.Bg2 Ne4) 15...Qc7+= 16.dc4 bc4 17.Nd7 (17.Bc3 Rb8+= (17...Bc5 18.Qd2 Bb5) 18.Qd2 Bb5) 17...Nd7-/+ 18.Bc3 Ra3 (18...Bf6 19.Qd2-/+; 18...f5-/+) 19.Bg7 (19.Ra3 Ba3 20.e4 de4 21.Re4 Rd8=) 19...Kg7+= 20.Ra3 Ba3 21.Qa1 Bb2 22.Qb2 c3 (22...Qe5 23.Rb1=) 23.Qb4 Ne5 (23...Nf6 24.Rb1=) 24.Qd4 f6 (24...Ra8 25.Be2 f6 26.f4+=) 25.Ra1 (25.Be2 Qa5+=) 25...Rb8 (25...Nf3 26.gf3 Kh8 27.f4=) 26.Bg4 Ng4 27.Qg4+/– Kf7 28.g3 Qb6 29.Qa4 Rb7 30.Qh4+= Kg7 31.Qg4 Kf7 32.Qa4 Qb5? 33.Qb5 Rb5+= 34.Ra7 Kg6 35.Rc7 Rb1 36.Kg2 Rc1 37.Rc3 Kf5 38.Kf3 e5 39.Rc7 h6 40.h4 h5 41.Rc5 Rd1? 42.Rd5!+– Rc1 43.Rc5 Ra1 44.c4 Ra4 45.Rc8 Rb4 46.c5 Rc4 47.c6 Ke6 48.c7 Kd7 49.Rf8 Rc7 50.Rf7 Kd6 51.Rc7 Kc7 52.Ke4 1–0. Ivekovic,Ana (1990) – Cacic,Marija (1640), Topusko CRO, Ch U19 (g), 2011.

6.e3= c4 7.Nc3 a6 8.ba6 Na6 9.Be2 (9.d3 b5=) 9...Be7 (9...Bd6 10.d3 cd3 11.cd3=) 10.0-0= 0-0 11.Ne5 (11.d3 b5=) 11...Bd6 12.f4 Be5 (12...Qc7 13.Rb1=) 13.fe5 Ne8 14.Bh5 (14.a4 f6=) 14...Qg5 (14...d4 15.ed4 Qb6 16.Bf3 Qb2 17.Rb1 Qa3 18.Bb7+=) 15.Qf3 g6 16.Bg4 Qe5 17.Nd1 (17.Rab1!?=) 17...Qe4+= 18.Qe4 de4 19.Be2 b5 20.Nf2 (better is 20.a4 Nb4 21.ab5 Ra1 22.Ba1 Nc2 23.Be5 Bb5 24.Nc3+=) 20...Bc6 (better is 20...f5!?+=) 21.Ng4+= Nac7?? (better is 21...f6 22.Nf6 Nf6 23.Rf6 Rf6 24.Bf6 Nc7+=) 22.Nh6 1–0. Wall,Bill – Junior, internet, 2003.

6.d4 Qa5-/+ 7.Bc3 Qb5 8.e4 Qc6 9.e5 Ne4 10.a4 (10.Bb2 Qb6 11.Ra2 cd4 12.Bd4 Bc5-/+) 10...Nc3–+ 11.Nc3 cd4 12.Qd4 Bc5 13.Qd3?? (better 13.Qg4 0-0 14.Bd3–+) 13...Bb4 14.Kd2 Bc3 (better 14...Nc5 15.Qd4 Ne4 16.Ke3 Qc3 (16...Nc3?! 17.Qb4 a5 18.Qb5-/+; worse 16...Bc3 17.Bb5 Bd4 18.Nd4–+) 17.Qc3 Nc3–+) 15.Qc3-/+ Qc3 16.Kc3 Nc5 (16...f6 17.Re1-/+) 17.Kd4 Ne4 18.Ke3 f5 19.Bb5 Bd7 20.Bd7 (20.Rhb1 Bb5 21.Rb5 Rb8=+) 20...Kd7 21.Rhf1 (21.Rhb1!? Rab8 22.Rb3-/+) 21...Rhc8 22.Nd4 (better 22.Rfc1–+) 22...Rc3 23.Ke2 Rc4 24.Kd3 (24.Nb5 Rc2 25.Ke1–+) 24…Nc5 (24...Nc5 25.Ke3 f4 26.Kf4 Rd4 27.Kg3 Rd2–+) 0–1. Woehl,Torsten – Bender,Manfred (1820), Frankfurt–ch, 2010.

6.e3 b6 7.c4 a5 8.Nc3 Bb7 9.Be2 Bd6 (9...dc4 10.Bc4 Bd6 11.0-0=+) 10.d4 (10.cd5 Nd5 11.Ne4 Be7=) 10...0-0 11.0-0 (11.cd5 Nd5 12.Qd2 Rc8=) 11...Rc8 (11...dc4 12.Bc4 cd4 13.Qd4=+) 12.cd5= Nd5 13.Nd5 Bd5 14.dc5 (14.Rc1 Qc7=) 14...Bc5 (14...Nc5 15.Rc1=+) 15.Nd4 (15.Qa4 Qe7=) 15...Nb8 (15...Qf6 16.Rc1=+) 16.Bf3 Qd7 (16...Bc4 17.Re1=) 17.Bd5+= Qd5 18.Qg4 g6 19.Qh4 (19.Rfd1 Bd4 20.Qd4 Qd4 21.Bd4 Nd7+=) 19...Bd4= 20.Bd4 e5 (20...Nd7!?=) 21.Bb6+/– Qb5 22.Rab1 Qd3 23.Ba5 (23.Qa4 Rc3 24.Qa5 Nc6+/–) 23...Rc2 (23...Rc4!? 24.Qg5 Qa3 25.Qe5 Nc6+/–) 24.Bb4 Rfc8?? (better is 24...Rd8+/–) 25.Rbd1+– Qf5 (25...R2c4 26.g4 h5 27.Rd3 Rg4 28.Qg4 hg4+–) 26.Rd8 Kg7 27.Bf8 Kg8 28.Bh6 (28…Rd8 29.Qd8) 1–0. Konijn,PM – Kuiper,M, 4e ronde NHSB, 1e klasse A, 2003.

6.e3 Bd6 7.c4 0-0 8.a4 b6 9.Na3 Bb7 10.Qc2 Rc8 (10...d4 11.ed4 Bf3 12.gf3=+) 11.Be2 Qc7 12.h4 (12.d3 Rce8=+) 12...Rfe8 13.d3 Ng4 14.Ng5 Ndf6 15.Bf6 (15.d4 g6 16.h5 Bg3 17.Bg4 Ng4 18.hg6 Bf2 19.Qf2 Nf2 20.gf7 Qf7 21.Nf7 Nh1+=) 15...Nf6-/+ 16.Bf3 h6 17.Nh3 dc4 (17...Rcd8 18.Rc1-/+) 18.dc4 (18.Nc4!? Bf3 19.gf3=+) 18...Bf3-/+ 19.gf3 Qb7 20.Ke2 Rcd8 21.Nb1 Be7 (21...Re7 22.a5-/+) 22.Nc3 Nd7 23.f4 Bh4 24.f3 Nf8 25.a5 f5 (25...Qc7 26.ab6 ab6 27.Ne4-/+) 26.a6 Qf7 27.Nf2 (27.Rag1 e5 28.Nd5 e4-/+) 27...Bf6 28.Rad1 g6 29.Rd3 (29.Ke1 Qg7 30.Ne2 Rd7=+) 29...Qg7-/+ 30.Rhd1 Rd3 31.Rd3 g5 (31...Nd7 32.Kd1-/+) 32.fg5=+ hg5 33.Na4 Ng6 34.Rd6 Ne5 35.Nb6 (35.Rd1!?=+) 35...ab6 (35...Qe7 36.Rd1 ab6 37.f4 gf4 38.Rg1 Kh7 39.ef4–+) 36.Rb6-/+ g4 (36...Qf7 37.e4–+) 37.fg4 Ng4 38.a7 Nf2 39.Re6? (39.Rb8 Qa7 40.Re8 Kf7-/+) 39...Qg4 40.Kf2?? (40.Kf1 Ra8 41.Rf6 Qh3 42.Ke2–+) 40...Bh4–+ 41.Kf1 Rd8 (41...Qf3 42.Kg1 Re6 43.Qg2 Qg2 44.Kg2+–) 42.Re8 (42...Re8 43.Qg2–+). Hellmark – Skulason, corr SSKK 1–449, 1993.

6.e3 Bd6 7.c4 0-0 8.Nc3 b6 9.Be2 Bb7 10.cd5 ed5 11.0-0 Ne4 (11...a6 12.d4=) 12.d3 (12.Qc2 Re8=) 12...Ng5 (12...Nc3 13.Bc3 a6 14.ba6 Ra6 15.Qc2=) 13.a4 d4 14.ed4 Nf3 15.Bf3 Bf3 16.Qf3 Qh4 17.g3 Qd4 18.Nd1 Ne5 (better is 18...Qb4!?=+) 19.Qa8!+/– Ra8 20.Bd4 Nf3 21.Kg2 Nd4 22.Ne3 g6 (22...Rd8 23.f4+/–) 23.Rfb1 f5 (23...Be5 24.Re1+/–) 24.Nd5 (24.a5 Rd8+/–) 24...Kf7 25.a5 Ke6 26.Ne3 ba5 (26...Rb8 27.Nc4+/–) 27.Ra5+– Bc7? (better is 27...f4 28.gf4 Ne2+–) 28.b6! Bd8 (28...Bb6 29.Rb6) 29.Ra7 Rb8 30.b7 Nc6 (30...Kd7 31.f4+–) 31.Ra8 Bc7 32.Nc4 Nb4 33.Rb8 Bb8 34.d4 Kd5 35.Na5 Bc7 (35...Kd4 36.Rb4! cb4 37.Nc6 Kc5 38.Nb8 Kb6+–) 36.b8Q (better is 36.dc5!? Kc5 37.Nb3 Kd5 38.Rd1 Kc6 39.Nd4 Kb6+–) 36...Bb8 37.dc5 Kc5 38.Rb4! Kb4 39.Nc6 Kb5 40.Nb8 Kb6 (40...h6 41.Kf3+–) 41.Nd7 (41...Ka5 42.Nf8+–) 1–0. Moraes,Maurino – Corvalao,Eder Daniel, Lages CC–ch, 1990.

6.e3 Bd6 7.c4 0-0 8.d4 Qe7 =+.

6.e3 Bd6 7.Be2 0-0 8.0-0 Qc7 9.c4 e5 10.h3 (10.cd5!? Nd5 11.Nc3 Nc3 12.dc3=+) 10...e4-/+ 11.Nh4 Be5 (11...dc4 12.Bc4 Nb6 13.d3-/+) 12.Qc2 Bb2 13.Qb2 dc4 (13...Ne5 14.cd5 Nd5 15.Nc3 Nc3 16.dc3-/+) 14.Bc4 Nb6 (14...Ne5 15.Rc1-/+) 15.Be2 (15.d3 Nc4 16.dc4 Qe7-/+) 15...Qe7 (better is 15...Rd8-/+) 16.g4? (better is 16.d4=+) 16...Ng4–+ 17.Nf5 Bf5 18.hg4 Bg4 19.Bg4 Qg5 20.f3 ef3 21.Rf3 Qg4 22.Kf2 Nc4 23.Qc2 Qh4 (23...Rad8 24.Qf5 Qf5 25.Rf5 Nd2 26.Nd2 Rd2 27.Ke1–+) 24.Kg2 (24.Ke2 Rae8–+) 24...Ne5 (24...Rad8 25.e4 Nd2 26.Nd2 Qg5 27.Kh1 Rd2 28.Qd2 Qd2 29.Raf1–+) 25.Rg3 Ng4 (25...c4 26.Rh3 Qg4 27.Rg3 Qe2 28.Kh3 Qf1 29.Kh2–+) 26.Qf5 (26.Qc5 Qh2 27.Kf3 Rfc8–+) 26...Qh2 (26...Qf6 27.Qf6 Nf6 28.d3–+) 27.Kf3 h5 28.Qf4 Rfe8 29.Rg4 (29.Rg2 Ne5 30.Kf2 Nd3 31.Kf3 Qf4 (31...Nf4?! 32.Rh2 Nd3 33.Rh5–+) 32.ef4 Ne1 33.Kf2 Ng2 34.Kg2 Rad8–+) 29...hg4 (29...Qh3 30.Ke2 Qg4 31.Qg4 hg4 32.d3–+) 30.Qg4 Re6 (31.Qf4 Rf6 32.Qf6 Qh5 33.Kg3 gf6–+) 0–1. Lielmezs,Girts – Nemec,Zdenek (2045), TE–2004–P–01711, 2004.

6.e3 Be7 7.c4 0-0 8.d4 dc4 9.Ke2?? (better 9.Bc4!? cd4 10.Bd4 Qa5 11.Nbd2=) 9...b6 (better 9...a6!? 10.Nc3-+) 10.Nbd2 c3! 11.Qb1?? (11.Bc3 cd4 Decoy) 11...Qc7 (11...cb2 12.Qb2 Bb7 13.Nc4-+) 12.g3?? (12.Bc3 Bb7-+) 12...a6 (better 12...cd2 13.Nd2 Bb7-+) 13.Qd1 (13.Bc3 ab5 14.h4-+) 13…ab5 (13...ab5 14.Bc3 Nd5-+) 0-1. domajo (2130) - das14 (2105), Rated Bullet game, lichess.org, 2015.

6.c4 0-0 7.e3 a6 8.Nc3 ab5 9.cb5 Nbd7 10.a4 (10.d4 c4+=) 10...Nb6 (10...e5!?-/+) 11.d4 Nc4 (11...Nbd7 12.Be2+=) 12.Bc4= dc4 13.Qe2 Nd5 (13...cd4 14.ed4 b6 15.Qc4=) 14.Qc4+= Nb6 15.Qb3 cd4 16.ed4 Nd5 17.0-0 Nb4 (17...Nf4 18.Rfe1+=) 18.Rfd1 Qc7? (better is 18...Nd5+/–) 19.Ba3+– Nd5 20.Ne4 (better is 20.Nd5 ed5 21.b6+–) 20...Ba3+/– 21.Qa3 Bd7 22.Qb3 f5 (22...b6!?+/–) 23.Rac1+– Qf4 24.Nc5 Be8?? (better is 24...Bc8+–) 25.Ne6 (25.Nb7?! Bh5 26.Nc5 Bf3 27.Qf3 Qf3 28.gf3 Nf4+–) 25...Qd6 26.Nf8 Kf8 27.Rc5 Ne7 28.Ne5 Rd8 29.Qc2 b6 30.Nc4 Qg6 31.Re5 Nd5 (31...Bf7 32.h3+–) 32.Qf5 Qf5 33.Rf5 Bf7 34.Ne5 Nf6 35.Nf7 Kf7 36.d5 Ke7 37.Re5 Kd7 38.d6 Ne8 (38...Re8 39.f4 Re6 40.Re6 Ke6+–) 39.Re7 Kc8 40.Re8! Re8 41.d7 Kd8 42.de8Q Ke8 43.Rd6 (43.a5 ba5 44.b6 h6 45.b7 h5 46.b8Q Kf7 47.Rd7 Kf6 48.Qd6 Kg5 49.Qe5 Kg6 50.Rg7 Kh6 51.Qf6) 43...g5 44.Rb6 (better is 44.a5 ba5 45.b6 Ke7+–) 44...Kd7 45.a5 1–0. roy1nc6 (1880) – miodrags, gameknot.com, 2013. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 c5 5.b5 Be7)

6.d3 0-0 7.Nbd2 b6 8.e3 Bb7 9.Be2 Nbd7 10.0-0 a6 11.a4 (11.ba6 Ra6 12.c4 Qc7=) 11...ab5 (11...Bd6 12.ba6 Ra6 13.c4=) 12.ab5 Qc7 13.c4 Ra1 14.Ba1 Ra8 15.Qb3 (15.cd5 Nd5 16.Nc4 Bf6 17.Bf6 N7f6=+) 15...e5 (15...dc4 16.dc4 Bd6 17.Rd1=+) 16.Bb2 (16.cd5 Bd5 17.Nc4 Ra7=) 16...d4 (16...e4 17.de4 de4 18.Nh4=+) 17.e4 (17.Nh4 Qd6=) 17...h6 (17...Nh5 18.g3=+) 18.Ra1= Ra1 19.Ba1 Nf8 (19...Nh5 20.Nd4 Nf4 21.Nf5 Ne2 22.Kf1=) 20.Qa2 (20.Bb2 Ne6=) 20…Bc8 ½–½. Rtishchev,Viktor I – Makarov,Nikolay V, Russia (?), 2018. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.b5 Be7)

6.d3 Qa5 7.Nbd2 Qb5 8.Rb1 Qa5 9.g3 Nc6 10.Bg2 0-0 11.0-0 Qc7 12.d4? (better is 12.c4!?-/+) 12...cd4–+ 13.Nd4 Nd4 14.Bd4 e5 15.Bb2 Bf5 16.e4 de4 17.Qe2 Qc2 18.Be5 Rad8 19.Rb2 Qd3 (better is 19...Qc6!? 20.Rbb1 Rfe8 21.Rfe1–+) 20.Qd3-/+ Rd3 21.Rb7 Bc5 (better is 21...Ba3!? 22.Ra7 Bc5–+) 22.Bf6=+ Rd2 23.Be7 Be7 24.Re7 a5 25.Be4 Re2 26.f3 Rd8 27.Re5 Be4 28.Re4 Re4 29.fe4 Rd3 30.Rc1 g6 31.Kf2 Ra3 32.Rd1 Ra2 33.Ke3 Rh2 34.Ra1 Rh5 35.Kf4 Rb5 36.e5 Kg7 37.g4 h6 38.Ke4 Rb4 39.Kf3 a4 40.Rd1 a3 41.e6 (41.Ra1 Ra4 42.Ra2–+) 41...fe6 42.Rd7 Kf6 43.Ra7 Rb3 44.Kf2 Kg5 45.Ra4 Rb2 46.Kg3 a2 47.Ra5 Kf6 48.Ra3 Rb3 0–1. Zecha,Gerhard – Oettinger,Hagen (2150), Bayern–chI Bank Hofmann 3rd, 1999.

6.e3 b6 7.c4 Bb7 8.Be2 Nbd7 9.0-0 Qc7 10.cd5 Nd5 (10...ed5 11.Qc2=) 11.Qc2 (11.Bg7 Rg8 12.Bb2 Bd6+=) 11...Bf6 12.d3 Bb2 13.Qb2 N5f6 14.Nbd2 0-0 15.Rac1 Rac8 16.d4 Qb8 17.Nc4 Ng4 18.Nfe5 Nde5 (18...Nge5!? 19.de5 Rcd8+=) 19.de5+/– (19.Ne5?! Ne5 20.de5 Rfd8=) 19...Nh6 20.Nd6 Rcd8 21.Nb7 Qb7 22.Bf3 Qe7 23.Bc6 Nf5 24.Qe2 Qc7 25.f4 Ne7 26.Be4 Nd5 27.Rf3 Rd7 28.Rh3 g6 29.Qe1 f6 30.ef6 Nf6 31.Bb1 Rfd8 32.Bc2 Qb7 33.Qh4 Rd2 34.Rg3?? (better is 34.Rf3 Kg7 35.e4=) 34...Rc2!–+ 35.Rc2 (35.Rc2 Rd1 Combination) 35...Rd1 36.Kf2 Ne4 37.Ke2 (37.Kf3 Qd5 38.Rg6 hg6 39.Qh6 Nd6 40.Kg4 Qf5 41.Kg3 Qc2 42.Qh3 Nf5 43.Kg4 Ne3 44.Kg3–+) 37...Qd5 38.Rb2 Ng3 39.Qg3–+ Qd3 40.Kf3 Rf1 41.Kg4 Qf5 42.Kh4 Qh5 0–1. Frank,Detlev – Metzner,Arne, Pinneberg–ch, 2003. (=1.a3 d5 2.b4 Nf6 3.Bb2 e6 4.Nf3 c5 5.b5 Be7)

6.g3 0-0 7.Bg2 a6 8.c4 dc4 9.a4 ab5 10.ab5 Ra1 11.Ba1 Qa5 12.Nc3 Nbd7 13.0-0 Nd5 14.Qb1 Qc7 (14...Bf6 15.Qc2-/+) 15.Qe4 (15.Rc1 N7b6-/+) 15...N7f6 (15...N7b6!?-/+) 16.Qc4+= b6 (16...Nb6 17.Qd3=) 17.e4= Nc3 18.Bc3 Bb7 19.Ne5 ½–½. Fabeyo,Fred – Oyeneyin,Tajudeen, Lagos NGR, 2014.

6.g3 Bd7 7.a4 a6 8.ba6 (8.e3 0-0=+) 8...ba6 (8...Ra6 9.Nc3-/+) 9.Bg2 (9.c4 Nc6=+) 9...Nc6 10.e3 (10.c4 Rb8 11.Be5 Ne5 12.Ne5 Qc7=+) 10...Rb8-/+ 11.Qc1 0-0 12.0-0 Qc7 (12...Qb6 13.Be5 Ne5 14.Ne5-/+) 13.Nc3 (13.c4 Rb4 14.cd5 ed5-/+) 13...h6 (13...Rb6 14.Nd1-/+) 14.Ne2 (14.Re1 Rb6-/+) 14...Rfc8 (14...Rb6 15.a5 Rb5 16.c4 dc4 17.Bc3-/+) 15.c4 Na5 (15...dc4 16.Rb1 Rb4-/+) 16.Qc2 (better is 16.Be5!? Bd6 17.Bf6 gf6 18.cd5=+) 16...Nc4–+ 17.Bc3 Ne4 18.d3 Nc3 19.Nc3 Na5 20.Rab1 Rb4 21.Qa2 (21.Rfc1 c4 22.Rb4 Bb4–+) 21...Rcb8 22.Rb4 (22.Rfc1 Bf6 23.Nd2 Qd6–+) 22…Rb4 0–1. wlittle (2125) – grassman (1880), net–chess.com, 2004.

7.c4 a6 8.Be2 dc4 9.Nc3 ab5 10.Nb5 Nbd7=+.

7.c4 a6 8.Be2 dc4 9.Bc4 ab5 10.Bb5 Nd5 11.Nc3 Bd7 12.Bd7 Nd7 13.0-0 Bf6 14.Qc2 Nc3 (14...Ne5 15.Ne5 Be5 16.Rfb1=) 15.Bc3= Bc3 16.Qc3 Qa5 17.Qb3 (17.Rfb1 b6=) 17...b5=+ 18.h3 Rfc8 19.Rfb1 Rab8 Black prepares the advance b4 20.Rb2 b4 21.Qd3 (21.Qc4=+) 21...Qb5 (better 21...Qa4!?=+) 22.Qb5+= Rb5 23.ab4 cb4 24.Rab1 Rcb8 25.Nd4 R5b6 26.Nc2 Attacking the isolated pawn on b4 26...b3 27.Na1 Rc8 28.Rb3 (worse 28.Nb3 Rcb8 29.d4 f5=) 28...Rbc6 29.Kh2 (29.d4 h6+–) 29...Rc1 (29...g6 30.R3b2+–) 30.Rb7 Rb1 31.Rb1 h6 32.d4 Rc3 33.Rb7 Nf6 34.Kg3 Ne4 35.Kf3 f5 36.g4 (36.Rb2!?+–) 36...Ra3 37.Nb3 (37.Nc2 Rd3 38.gf5 ef5+=) 37...Ra2 (37...Rb3!? 38.Rb3 Nd2 39.Kf4 Nb3 40.gf5 Kf7=+) 38.Kf4= Nf2 (38...Rf2!? 39.Ke5 Rf3=) 39.gf5+= ef5 40.Kf5 Nh3 41.d5 Re2 (41...Ng5!?+=) 42.e4 (42.d6 Ng5 43.d7 Rf2 44.Kg4 Ne6 45.Rb8 Rf8+–) 42...Ng5 (42...Rf2 43.Ke5 Rf7+–) 43.Nc5 (better 43.Kg6!? Rf2 44.e5+– (44.Rg7?! Kf8=)) 43...Nf7 44.Kf4 (44.Rb8 Kh7+=) 44...Rf2 (44...g5 45.Kf3 Re1 46.Kf2+=) 45.Ke3+– Rc2 (45...Ra2 46.Rb8 Kh7 47.Rf8+–) 46.Rb8 Kh7 47.Ne6 (47.Nd3 g5 48.e5+–) 47...Nd6? (47...g5 48.Rb6+–) 48.Nf8 (better 48.e5!? Nc4 49.Kd4+–) 48...Kg8+– 49.Nd7 Kh7? (better 49...Kf7+–) 50.e5+– Nf5 51.Ke4 Ne7 (51...Kg6 52.Nf8 Kg5+–) 52.Nf8 Kg8 53.Ng6 Kf7 54.Nh8 1–0. Shabanov,Nurlan – Alakbarov,Emin, Zira – Rapid Open, 2016. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 c5 5.b5 Be7 6.e3 0-0)

7.c4 a6 8.Be2 dc4 9.Bc4 ab5 10.Bb5 Bd7 11.Bd7 (11.Qb3 Nc6=+) 11...Nbd7 (11...Qd7 12.Ne5 Qd6 13.d4=+) 12.0-0 b5 13.d3 Nb6 (13...Qa5 14.Nc3=+) 14.Nc3= b4 (14...Ra5 15.Qc2=) 15.ab4 cb4 16.Ne2 Ra1 (better is 16...Qd6=) 17.Qa1? (better is 17.Ba1!? Bd6 18.Qb3=) 17...Qd3-/+ 18.Ned4 (18.Nf4 Qe4-/+) 18...Ra8 19.Qc1 Nfd5 20.Ne5 (20.Rd1 Qc4–+) 20...Qe4 21.Nef3 (21.Ndc6 Bd6–+) 21...Ra2 (21...Bf6 22.Qc6–+) 22.Nc6 (22.Rd1 Bf6–+) 22...Bd6 23.Nd2 (23.Nce5 Be5 24.Ne5 b3–+) 23...Qd3 24.Rd1 Qe2 25.Re1 Qd3?? (25...Qh5 26.Nf3 b3–+) 26.Nd4?? (26.Rd1 Nc3 27.Bc3 Qc3 28.Ne4 Qc1 29.Rc1–+) 26...Nc3 (26...e5 27.N4b3–+) 27.Bc3 bc3 28.N2b3 c2 29.Na1 Ba3 (30.Qc2 Rc2 31.Ndc2 Bb2–+) 0–1. StephenHilton – Robert Edward (1875), internet, 2006.

7.c4 b6 8.Be2 (8.Bd3 dc4 9.Bc4 Nbd7+=) 8...Bb7 (8...a6 9.a4+=) 9.0-0 Nbd7 (9...a6 10.cd5 ed5 11.Qc2+=) 10.d4 (10.cd5 ed5 11.Nc3 Re8=) 10...Rc8 11.Nbd2 cd4 12.Bd4 Bc5 (12...h6 13.cd5 Bd5 14.Rc1=) 13.Qa4 (13.Rc1 Qe7=) 13...Qc7 14.Bb2 (14.Rac1 Bd6 15.Nb3 Qb8+=) 14...Be7+= 15.Rfc1 (15.Rfd1 Nc5 16.Qc2 Nce4 17.Ne4 Ne4+=) 15...Nc5 16.Qd1 (16.Qc2+=) 16...Bd6 (16...Rfd8!?-/+) 17.cd5 (17.Bf6 gf6 18.g3 Qd7=) 17...Bd5 (17...Nd5 18.g3 Ne7 19.Nc4+=) 18.h3 (18.Bf6 gf6 19.g3 Qd7=) 18...Qe7 (18...Rfd8 19.Rc2+=) 19.Nc4 (19.Ne5+=) 19...Nfd7 (better is 19...Bc7!?-/+) 20.Nd6= Qd6 21.a4 (21.Rc2=) 21...Ra8 (21...f6!?=) 22.Bc4+= Nf6 (22...Rfc8 23.Nh4 g6 24.Qd4+/–) 23.Bd5 (23.Bf6!? gf6 24.Qd4+/–) 23...Qd5+= 24.Nd4 Rfe8 (better is 24...Rfd8+=) 25.Qc2 (better is 25.Ba3!? Nfd7 26.Rc3+=) 25...e5+= 26.Nc6 Nb3 27.Rd1 (27.Rab1 Nc1 28.Rc1 e4+=) 27...Na1 28.Ba1 Qe6 (better is 28...Qe4!? 29.Qe4 Ne4 30.Be5 Nc5+=) 29.Be5+= Rac8 (29...Nd5 30.Qc4 Nf6 31.Qf4+/–) 30.Qb2 (30.f4 Ne4 31.Qe4 f6+/–) 30...Ne4 (30...Qf5 31.f3+=) 31.Bg7+/– f6 32.Bh6 Rc7 33.Nd4 (33.Qd4 Kh8+/–) 33...Qd7 (33...Qc4 34.f3 Nc3 35.Rc1+=) 34.Bf4 (34.f3 Nc5+/–) 34...Rcc8 (34...Rc4 35.Rc1 Rc1 36.Qc1+=) 35.g4 (35.f3 Nc5+/–) 35...Nc3 (35...Qd5 36.Ra1+=) 36.Qb3 (36.Rd3 Ne4 37.f3 Nc5+/–) 36...Kh8 (36...Qf7 37.Qf7 Kf7 38.Ra1=) 37.Rc1 (37.Rd3 Ne4 38.Nc6 Qg7+/–) 37...Ne4? (37...Nd5 38.Rc8 Rc8 39.Bg3+=) 38.Rd1 (better is 38.Rc6!?+–) 38...Rc3 (38...Nc3 39.Rd3 Ne4 40.Nc6+/–) 39.Qb1+= Nc5 (39...Rc5 40.Nf5 Qc8 41.Nd6 Nd6 42.Bd6=) 40.Ne2 (40.Nf5 Qe6+=) 40...Rd3= 41.Rd3 Qd3 (41...Nd3 42.Qa1 Kg7 43.Bg3=) 42.Qb2 Qd8 (42...Rf8 43.Nd4=) 43.Qc2 (43.Bh6 Rg8=) 43...Qd7 (43...Qd3 44.Qb2 Qd8 45.g5+=) 44.Nd4+= Ne4 (44...Rc8 45.f3+=) 45.f3 (better is 45.Qc6 Qf7 46.Nf5+–) 45...Rc8?? (better is 45...Nc5+=) 46.Qe4+– Qe8 (46...Kg8 47.Kg2+–) 47.Qf5 Rc1 48.Kg2 Qg6 (48...Qf7 49.Be5! Kg8 50.Bf6+–) 49.Qd7 (better is 49.Qe6 h5 50.Be5+–) 49...Qg7 (49...h5+–) 50.Qd8 Qg8 51.Qf6 Qg7 52.Qd8 1–0. Chaparro Grande,Fernando – Fuentes Perez,Noe, 2nd Memorial Piedad Cambeiro Dominguez, 2015.

7.c4 Nbd7 8.Qc2 h6 9.d3 b6 10.Nbd2 (10.Be2 Bb7=+) 10...Bb7 11.Be2 Rc8 (11...a6 12.ba6 Ra6 13.0-0=+) 12.0-0 Qc7 13.h3 Rfd8 14.Rac1 (14.a4 a6=) 14...Nf8 (14...Bd6 15.cd5 ed5 16.Nh4=) 15.Be5 (15.cd5 Nd5 16.Qa4 Nd7=) 15...Qd7= 16.Qb2 Ng6 17.Bc3 (17.d4 Qe8=) 17...Qc7 (better 17...d4!? 18.ed4 cd4-/+) 18.Rfd1 Rd7 (18...Ra8 19.a4=) 19.a4 (19.Ne5 Ne5 20.Be5 Qd8=) 19...Qd8 20.Ne5 (20.cd5 ed5 21.d4 c4+=) 20...Ne5= 21.Be5 d4 (21...Bd6!?=) 22.ed4+– cd4 23.Nb3 Bc5 (23...Bd6 24.Bd4 Bf4+–) 24.Nc5 (24.a5 Ne8+=) 24...bc5 (24...Rc5!? 25.Bg3 Qa8=) 25.Ra1 (25.Qd2 Ne8+–) 25...a5 (25...Ne8!?+=) 26.ba6+– Ba6 27.Bf3 Ne8 (27...Nh7 28.h4!+–) 28.Rdb1 (28.a5 f6 29.Bh2 e5+–) 28...f6+– 29.Bg3 e5 30.Bd5?? (30.Qb6 Rd6 31.Qd8 Rcd8+–) 30...Kh8?? (better 30...Rd5 31.cd5 Bd3-/+) 31.Be6+– Rb7 32.Qa3 Rb1 33.Rb1 Rc6 34.Bd5 (34.Bg4 Nd6+–) 34...Rb6+= 35.Ra1 (35.Rb3 Nd6+=) 35...Rb4 36.f4 Nc7 37.Be4 (worse 37.fe5 Nd5 38.cd5 Qd5=+) 37...Qe8?? The isolani on a4 becomes a target (better 37...f5 38.Bf5 Qf8+=) 38.fe5+– fe5 (38...Ne6 39.ef6 gf6 40.Bd5+–) 39.Be1 Rb8 (39...Qe7 40.Bb4 cb4 41.Qb3+–) 40.Qc5 Rc8 (40...Ne6 41.Qe5 Ng5 42.Qe8 Re8 43.Bc6+–) 41.Bf5 (41.Bg3 Ne6 42.Qd6 Nc5 43.Be5 Qe6 44.Qe6 Ne6+–) 41...Ne6 (41...Qf8 42.Qe5 Re8 A) worse 43.Qc7 Qf5 44.Bf2 Qf6+– (44...Qd3?? 45.Qc6 Rc8 46.Qa6 Rc4 47.Re1+–); B) 43.Qa5+–) 42.Qe5 Rc6 (42...Nc5 43.Bg3 (43.Qd4?! Nb3 44.Qc3 Na1 45.Bc8 Bc8 46.Qa1 Qe3 47.Kh2 Qd3+–) 43...Qe5 44.Be5+–) 43.Bd2 (43.a5 Qd7+–) 43...Qh5 (43...Bc8 44.Be4 Rc5 45.Bd5+–) 44.Qe4 Qe8 45.Re1 (45.Rb1!? Bc8 46.a5 Bd7+–) 45...Bc8 46.Qd4 1–0. Souza,K Garcia De (1735) – De Carvalho,T Ferreira Mont, Brazil Telecom Sesc Open, 2016.

7.d3 a6 8.a4 (8.ba6 Na6 9.Be2 Qb6=+) 8...ab5-/+ 9.ab5 Ra1 10.Ba1 Qa5 11.Bc3 Qb5 12.Be2 Nc6 13.0-0 Rd8 14.Ba1 b6 15.Nc3 Qa6 16.Qb1 Nb4 17.d4 Qa8 18.Nb5 Qa4 19.Rc1 Qa2 (19...Ba6 20.Nc3 Qa5 21.Ba6 Qa6 22.dc5 bc5 23.Rd1-+) 20.Qb2 (20.Qa2 Na2 21.Rb1 Nb4-/+) 20...Qb2 21.Bb2 Bb7 22.c3 Nc6 23.Ra1 Ra8 24.Ra8 Ba8 25.Nc7 Bb7 26.Bd3 c4 27.Bc2 Bd8 (27...Na7 28.Ba4-/+) 28.Nb5 Ba6 29.Na3 (29.Ba4!?-/+) 29...b5-+ 30.Nb1 Bc7 (30...Ba5 31.Kf1-+) 31.Ba3-/+ h6 32.Nfd2 (32.Kf1 Ba5-+) 32...Ng4 (32...Ba5 33.Nf3-+) 33.h3 Nf6 34.f4 (34.Nf3-+) 34...Nh5 (34...Ba5 35.Kf2-+) 35.Kf2 (35.Bd1 Ng3-/+) 35...f5 (35...Ba5!?-/+) 36.g4 fg4 37.hg4 Nf6 38.Kf3 (38.g5 Nd7-/+) 38...g5 39.Nf1 (39.Bc5 Nd7-/+) 39...gf4 40.ef4 Kf7 (40...Ba5 41.Ne3-/+) 41.Ng3 (41.g5 hg5 42.fg5-/+) 41...Na5 (41...Ba5!? 42.Ne2 b4 43.cb4 Nb4 44.Bb4 Bb4-/+) 42.Nd2 (42.g5 hg5 43.fg5 Nd7=+) 42...Nb7 (42...Nd7 43.g5 hg5 44.fg5-/+) 43.Ndf1 (43.g5 hg5 44.fg5 Ne8=) 43...Bd6 (43...Nd6 44.g5 hg5 45.fg5=+) 44.Bd6= Nd6 45.Nd2 Bb7 46.Nb1 Nde4 47.Ne2 Bc6 48.Ng3 Bb7 (48...Ng3 49.Kg3 Kg7=+) 49.Nh5 (better 49.Ne2!?=) 49...Nh5-/+ 50.gh5 Kf6 51.Be4 (better 51.Kg4!?-/+) 51...de4-+ 52.Kg4 e3 53.Na3 Be4 (better 53...b4 54.cb4 e2-+) 54.Nc2?? (better 54.Kg3 Bc6 55.Nc2-+) 54...Bc2 55.Kf3 Bd1 56.Ke3 0-1. petrobbo (1990) - chessking1ok (2045), ChessWorld.net, 2011.

8.0-0 Nbd7 9.a4 =+.

8.0-0 Re8 9.ba6 (9.a4 Nbd7=) 9...Na6 10.d3 (10.Be5 Nd7=) 10...Bd6=+ 11.Nbd2 (11.c4 e5=+) 11...e5 12.e4 (12.c4 e4 13.de4 de4=+) 12...d4 13.h3 (13.c3 dc3 14.Bc3 Qc7=+) 13...Bd7 14.c3 (14.Nc4 Bc7=+) 14...b5 (14...dc3 15.Bc3 b5 16.a4=+) 15.Qb3 (15.cd4 ed4 16.Re1 Bf4=+) 15...h6 (15...dc3 16.Bc3 Qe7 17.Rab1=+) 16.Rfc1 (16.c4 b4=+) 16...Rb8 17.Qa2 (17.Qc2 Nh5=+) 17...Be6 (17...Nh5 18.Qb3-/+) 18.c4 (18.Qb1 Nh5-/+) 18...Nh5 19.Rc2 (19.Qb1 Nf4 20.Bf1 Qf6-/+) 19...Nf4 20.Bf1 Qd7 (20...Qf6 21.Qb1-/+) 21.Qb1 b4 22.a4 Ra8 23.Bc1 Nb8 24.Rca2 Nc6 25.Nb3 Na5 26.Na5 Ra5 27.Bf4 ef4 28.Qb3 f6 29.Kh1 Qf7 30.Qd1 Bd7 31.Be2 Rb8 32.Qd2 Qe8 33.Bd1 Bc7 34.Bb3 g5 35.Qd1 Qg6 36.Nh2 h5 37.f3 Kg7 38.Kg1 Rh8 39.Bc2 Kf7 40.Qe2 Qh6 41.Bd1 f5 42.Bc2 g4–+ 43.fg4 hg4 44.ef5 f3 45.Qf2 g3 46.Qf3 gh2 47.Kh1 Bc6 48.Qe2 Re8 49.Qf2 Re3 50.Re1 Bg3 (51.Qg3 Rg3–+; 50...Bg2 51.Kg2 Qc6 52.Kf1 h1Q 53.Qg1 Qcf3#) 0–1. Lange,David – Nilsen,Joachim B, NM Moss Norway, 2006.

8.a4 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.0-0 Qc7 (11...Bd6 12.c4=+) 12.c4 (12.d3 e5=+) 12...b6 (12...e5 13.d4 cd4 14.ed4=+) 13.Nc3 dc4 14.Qa4 Bb7 15.Qc4 Ra8 (15...Bf3 16.Bf3 Ne5 17.Qe2=+) 16.Bb2 (16.d4 Bd6=) 16...h6 (16...Bf3 17.Bf3 Ne5 18.Qe2=+) 17.Ra1 (17.d4 Bd6=) 17...Ra1=+ 18.Ba1 Qd6 (18...Bf3 19.gf3 Qe5 20.f4=) 19.Nb1 (19.d4 cd4 20.Qd4 Qa3=) 19...Bf3 20.gf3 Nd5 21.Nc3 Nc3 22.Bc3= Qd5 23.Qd5 ed5 24.d3 Bf6=+ 25.Bd2 Kf8 26.f4 Ke7 27.Kg2 Nf8 28.f5 g6 29.Kg3 gf5-/+ 30.Kf4 Ke6 31.Bh5 Be5–+ 32.Kf3 Bh2 33.e4 fe4 34.de4 de4 35.Ke4-/+ f5 36.Kd3 Nd7 37.Bh6 Nf6 38.Bd1 Nd5 39.Bb3 Be5 40.Bc4 Bc7 41.Bb3 Be5 42.Bc4 Bf6 43.Bf4 Be5 (43...Bd4!? 44.Bc7 Bf2 45.Bb6 Kd6-/+) ½–½. Honos,A – Halasz,A, Hungary, 1998.

8.a4 ab5 9.Bb5 Nc6 10.0-0 Bd7 11.d3 ½–½. Stevic,H (2605) – Zelcic,R (2500), 30th Schwarzacher Open, 2015. (=1.a3 e6 2.b4 Nf6 3.Bb2 d5 4.Nf3 c5 5.b5 Be7 6.e3 0-0 7.Be2 a6)

8.a4 b6 9.0-0 Nbd7 (9...Ne4 10.ba6 Ba6 11.Ba6 Ra6 12.d3=) 10.Nc3 (10.ba6 Ne4=) 10...ab5 (10...a5 11.Nb1=+) 11.ab5 (11.Nb5!? Bb7 12.d3=) 11...Ra1 (11...Bb7 12.Ra8 Qa8 13.Qa1=+) 12.Qa1 Bb7 13.Qa7 (13.Qa4!?=+) 13...Qc7-/+ 14.Qa1 (14.Qa4 e5 15.d3 d4-/+) 14...Ra8 (14...Bd6 15.Re1-/+) 15.Qb1 (15.Qd1 Bd6-/+) 15...Bd6 (15...e5 16.d3-/+) 16.Re1 e5 (16...Nf8 17.d3-/+) 17.g3 (17.Nh4 e4 18.h3 Be5-/+) 17...e4 (17...Qd8 18.d3-/+) 18.Nh4 d4 19.ed4 (better is 19.Nd1!? Ra4 20.Nf5-/+) 19...cd4–+ 20.Nd1 (20.Na2 Ra4–+) 20...Qc5 21.Bf1 (21.d3 ed3 22.cd3 g5–+) 21...g5 22.Ng2 Ne5 23.Kh1 (23.Be2 Nf3 24.Bf3 ef3–+) 23...Nf3 24.Re2 (24.Nde3 Qc8 25.Nh4 gh4–+) 24...d3 25.cd3 Qc8 (26.Ne1 ed3 27.Nf3 Bf3 28.Kg1 de2 29.Be2 Be2 30.Bf6 Qc4–+) 0–1. CHED – Robert Edward (1870), internet, 2006.

8.a4 Nbd7 9.0-0 Ne4 10.c4 Bf6 11.Bf6 Qf6 12.Ra3 dc4 13.Bc4 Nd6 14.Be2 e5 15.ba6 b6 16.Nc3 e4 17.Ne1 Ba6 18.Ba6 Ra6 19.d3 ed3 20.Qd3 c4 21.Qd4 Qd4 22.ed4 b5 23.Nc2 ba4 24.Ra4 Ra4 25.Na4 Rb8 26.Rc1 f5 27.h4 Nf6 28.Ne3 f4 29.Nf1 Nfe4 (29...Rb4!? 30.Nc5 Nb5-/+) 30.Nc5= Rb2 31.Ne4 Ne4 32.Rc4 Rf2 (worse is 32...Nf2 33.d5 Nd3 34.d6+/–) 33.Rc8 Kf7 34.Rc1 (34.Nh2 Rd2 35.Nf3 Rd1 36.Kh2 Nd2+=) 34...Ke6 35.Nh2 Rb2 36.Nf3 h6 37.Re1 Kf5 38.d5 Nf6 39.d6 Rb8 (39...Rb6!? 40.Nd4 Kg4+=) 40.Re5 Kg6 41.h5 Kh7 42.Re7 Rb5 (42...Rd8 43.Re6=) 43.Ne5 White plans d7 (43.d7 Rd5 44.Ne5+–) 43...Rb1+= (worse is 43...Nh5 44.d7 Rb1 45.Kf2+/–) 44.Kh2 Re1 45.d7?? (better is 45.Nd3 Rd1 46.Nf4 Rd6 47.Kh3=) 45...Nd7!-/+ 46.Ng6 Re7 47.Ne7 Nf6 48.Kh3 Nh5 49.Kg4 g6 50.Nd5 Kg7 51.Nf4 Nf6 52.Kf3 g5 53.Ne6 Kf7 54.Nd4 h5 55.g3 Ke7 56.Nf5 Ke6 57.Ng7 Ke5 58.Ke3+= Nd5 59.Kf2 Nf6 60.Kf3 Kd4 ½–½. Majeric,Zoran (2305) – Amrein,Roland (2255), HUN–chT2 Charousek, 2006. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 c5 5.b5 Be7 6.e3 0-0 7.Be2 a6)

8.ba6 Na6 9.0-0 Qb6 =+.

8.c4 ab5 9.cb5 Nbd7 10.0-0 b6 11.d3 Qc7 12.Nbd2 Bb7 13.Re1 Bd6 14.Bf1 e5 15.e4 Rfe8 16.h3 Rad8 17.Qc2 Nf8 18.a4 de4 19.de4 Ne6 20.Nc4 Pawn e5, live or die! 20...Nd4 21.Bd4 cd4 (21...ed4? 22.e5 Be7 23.ef6 Bf6 24.a5 Bf3 25.gf3+–) 22.Bd3 Rc8 (22...Bb4 23.Nce5 Qc2 24.Bc2 Be1 25.Re1-/+) 23.Nfd2? (better is 23.Qd2!?=) 23...Bb4-/+ 24.Rec1 Bc3 25.Ra2 Nd7 26.f3 (26.Nb3!?+=) 26...Nc5-/+ 27.Bf1 Bd2 (27...Ra8!?-/+) 28.Nd2+= Qd7 29.Qd1 Ne6 (29...Re6!?+=) 30.Nc4= Qc7 31.Rac2 f6 (31...h6 32.Na5 Qb8 33.Nc4=) 32.g3 (better is 32.Na5 Qd7 33.Nb7 Qb7 34.Bc4+=) 32...Ba8?? (better is 32...Ng5+=) 33.Nd6! Nc5 (33...Qd6 34.Rc8 Discovered attack (34.Rc8 Pinning; 34.Rc8 Deflection; 34.Rc8 Clearance)) 34.Ne8 Re8 35.a5! d3 (35...ba5 36.Rc5 Deflection) 36.Bd3 Rd8 (36...Qb8 37.Bc4 Kf8+–) 37.ab6 (37.ab6 Qb6 38.Rc5+–) 1–0. Macedo,A Soares De (2000) – Silva,A Lira (2010), Semifinal Do Campeonato Potigu, 2009.

6.bc5 Bc5 7.d4 Bd6 8.h3 (8.Nbd2 Qa5+=) 8...0-0 9.e3 Nc6 10.Bd3 e5 11.de5 Ne5 12.Ne5 Be5 13.Qc2 h6 14.Nd2 Re8 15.0-0 Qc7 16.Nf3 Bd7 (16...Bd6!?=) 17.Ne5+= Qe5 18.c4 Qd6 19.Bf6 gf6 (19...Qf6 20.cd5 Qg5 21.Qd2+=) 20.Rfe1 (20.Rfd1!?+–) 20...dc4 21.Bc4 Be6 22.Be2 Rac8 23.Qb2 Bd5 24.Red1 Qe5 25.Qb4 b5 26.Qg4 Kf8 (26...Kh7 27.Bd3 Be4 28.Rab1+=) 27.Rd4 Be6+= 28.Qf3 Bc4 29.Rad1 Be2 30.Qe2 Rc3 31.Qb2 Rec8 32.Qb4 Qc5 33.Qc5 R8c5+= 34.a4 ba4 35.Ra4 a5 36.Rd2 R3c4 37.Rc4 Rc4 38.Kf1 a4 39.Ke2 a3 40.Ra2 Ra4 41.Kd3 Ke7 42.Kc3+– Kd6 43.Kb3 Ra8 44.Ra3 Ra3 45.Ka3 Kd5 46.Kb3 Ke4 47.Kc3 f5 48.Kd2 f4 49.f3 Ke5 50.e4 f5?? 51.ef5 Kf5 52.h4 Kg6 53.Kd3 Kf5 54.Kd4 h5 55.Kd5 Kf6 56.Ke4 (56.Ke4 Kg6 57.Kf4+–) 1–0. Sapareva,Magdalena – Kastarov,Hristo, Venka Antonia Ivanova Mem, Sofia BUL, 2010.

6.d3 a5 +=.

6.d4 cb4 7.cb4 Bd7 8.e3 =.

6.d4 b6 7.dc5 bc5 8.e3 (8.Nbd2 Nc6+=) 8...Qb6 (8...c4 9.Nbd2+=) 9.Be2= Nc6 10.0-0 Bd6 (10...Be7!?+=) 11.c4= cb4 12.Bf6 gf6 13.cd5 Ne5 14.ab4 Qb4 15.Ne5 (15.Nd4 ed5 16.Bb5 Kf8=) 15...Be5= 16.Ra4 Qb2 (16...Qb6 17.Na3=) 17.Bf3 (17.f4 Bb8+/–) 17...Rb8 (17...Ra7 18.de6 Be6 19.Bc6 Ke7 20.Qf3+=) 18.Na3 0-0 (18...Qb3 19.d6 Kd7 20.Qc1+=) 19.Nc4+/– Qb5 20.Ne5 fe5 21.de6 (21.Qa1 Qb2+/–) 21...Be6 22.Be2 Bb3 (22...Qb3 23.Qa1+/–) 23.Bb5 (23.Rg4 Kh8 24.Qd6+– (24.Bb5?! Bd1 25.Rd1 Rb5=)) 23...Bd1+/– 24.Ra6 (24.Rd1?! ab5 25.Rg4 Kh8=) 24...Rb5 (24...Rfd8 25.Ra5+/–) 25.Rd1 Rb2 (25...Rfb8 26.h3+/–) 26.f4 1–0. guest1005 – guest820, ICC, 2002.

6.d4 c4 7.Nbd2 b5 8.g3 (8.a4 Bb7=) 8...Nbd7 (8...a5 9.Bg2=+) 9.a4 Bb7 10.Bg2 Bd6 11.h3 a5 12.Ba3 ab4 13.Bb4 Bb4 14.cb4 Ra4 (14...ba4 15.Ra4 0-0 16.Ra8 Ba8 17.0-0=+) 15.Ra4= ba4 16.Qa4 Qb6 17.e3 0-0 18.0-0 Ra8 19.Qc2 Ra3 (19...Qb4? 20.Rb1 Qa4 21.Qa4 Ra4 22.Rb7 Ra1 23.Nb1+–) 20.Rb1 Qa7 21.Ng5 h6 22.Ngf3 Ne8 (22...Qa4 23.Qc1=+) 23.Ne1 (23.Nf1 Ra2 24.Rb2 Rb2 25.Qb2 Qa4=) 23...Nd6=+ 24.Nef3 (24.Qc1 Nb5 25.Ndf3 Ra2=+) 24...Nb5 Black intends c3 25.Ne5 (25.Bf1 Qa4 26.Ne1 Ra2 27.Qa4 Ra4=+) 25...Ne5 26.de5 Ra2 27.Rb2? (better 27.Qc1-/+) 27...Rb2–+ 28.Qb2 c3 29.Qc2 cd2 30.Qd2 Qa1 31.Bf1 d4 32.f4 (32.f3 Bf3 33.ed4 Nd4–+) 32...Bd5 33.Kf2 (33.Qc2 Qc3 34.Qc3 dc3 35.Bd3–+) 33...Nc3 34.Qd4 (34.Kg1 Bc4 35.Kh2 Qf1 36.Qg2 Qg2 37.Kg2–+) 34...Ne4 35.Kg1 (35.Qe4 Be4 36.Be2–+) 35…Qe1 (35...Qe1 36.Qe4 Be4 37.b5 Qg3 38.Bg2 Qg2) 0–1. vitorcosta – idontcastle, net–chess.com, 2018.

6.e3 b5 7.Be2 c4 8.a4 (8.0-0 Bd6=) 8...Bb7 (8...ba4 9.Ra4 Bd7 10.Ra1=) 9.ab5 (9.d3 Nc6=) 9...ab5 10.Ra8 Ba8 11.0-0 (11.Na3 Bc6=) 11...Bd6 12.Nd4 Qd7 (12...Bc6 13.f4=) 13.Na3 Bc6 14.d3 0-0 15.dc4 (15.f4 Rc8=) 15...bc4+= (worse is 15...dc4 16.Bf3 Rd8 17.Nc6 Nc6 18.Nb5+=) 16.b5 (16.Nc6 Nc6 17.Nb5 Be7+=) 16...Bb7 17.Qa4 (17.f4 Qe7 18.Nb1 Nbd7-/+) 17...e5-/+ 18.Ndc2 (18.Nf3!?-/+) 18...Na6–+ 19.Rd1?? (19.Qa5 Nc5 20.Nc4 dc4 21.Qa2–+) 19...Nc5 20.Qa7 Ra8 21.Qb6 Na4 22.Nc4 Nb6 (22...Nb2?! 23.Nb2 Ra2 24.Nc4-/+) 23.Nb6 Qf5 24.Bd3 e4 (24...e4 25.Na8 Qh5–+) 0–1. kode (2345) – dennism (2100), net–chess.com, 2008.

6.e3 b6 7.Be2 Bb7 8.0-0 Bd6 9.bc5 bc5 10.c4 0-0 11.d4 Nc6 12.cd5 Nd5 13.dc5 Bc5 14.Qc2 Qe7 15.Rc1 Bb6 16.Nc3 Ne3 17.fe3 Be3 18.Kh1 Bc1 19.Rc1 Rfc8 20.Bd3 h6 21.Qe2 Rd8 22.Na4 e5 (22...Rac8 23.Ba6 Nd4 24.Nd4 Rc1 25.Bc1 Ba6 26.Qa6 Rd4 27.Nb2=) 23.Nc5 Bc8? (better is 23...Rab8+/–) 24.Qe4+– (24.Qe4 Rd3 25.Nd3+– (25.Qd3?! Bg4+–; 25.Qc6?! Bb7 26.Nb7 Rb8 27.Ne5 Rb3+–); 24.Be5?! Ne5 25.Qe5 Qe5 26.Ne5 Rd6+/–; 24.Ne5?! Ne5 25.Qe5 Qe5 26.Be5 Bb7+/–) 1–0. rcm06 (1990) – buddie (1850), gameknot.com, 2012.

6.e3 Nc6 7.Be2 Bd7 (7...e5 8.c4 e4 9.Ne5+=) 8.0-0 Qc7 9.d3 (9.d4 cb4 10.cb4 Bd6=) 9...Be7 (9...e5 10.Nbd2=) 10.Nbd2 (10.bc5 Bc5 11.d4 Bd6=) 10...0-0 (10...e5 11.bc5 Bc5 12.d4=) 11.Nb3 (11.bc5 Bc5 12.c4 e5=) 11...b6 (11...cb4 12.cb4 Rfc8 13.Rc1=) 12.Rc1 (12.bc5 bc5 13.c4=) 12...Qa7 (better is 12...e5!?+=) 13.bc5+= bc5 (13...b5 14.Rb1+=) 14.c4 Rfd8 (14...Ng4 15.d4 Rfc8 16.cd5 ed5 17.dc5+/–) 15.cd5 (15.Bf6 Bf6 16.cd5 ed5+=) 15...ed5 (15...Nd5 16.Qc2 Rab8 17.Ne5=) 16.Ne5 (16.Qc2!?+/–) 16...Ne5= 17.Be5 Rac8 Black plans c4 18.Bc3 (18.Qc2 Ng4 19.Bf4 c4 20.dc4 dc4 21.Bc4 Ba3=) 18...Ba4 19.Be5 (better is 19.Bf3!?=) 19...c4!-/+ 20.dc4 (20.Rc4 dc4) 20...dc4–+ Discovered attack. 21.Bd4 Qb7 (21...Bb3 22.Ba7 Bd1 23.Rfd1 Rd1 24.Rd1 Ba3 25.Bd4+=) 22.Bc4-/+ Rc4! 23.Rc4 Decoy theme: c4 23...Bb3 Theme: Double Attack 24.Qb1 Ne4 (24...Ba3 25.Bf6 gf6 26.Rc3-/+) 25.Bc3 (better is 25.Be5 Nc5 26.Rc3-/+) 25...Rb8?? (better is 25...Nd2 26.Bd2 Rd2–+) 26.Re4+/– (26.Qe4?! Bc4 27.Qc4 Rc8=) 26...Ba3 27.Rg4 White is in command 27...g6 28.Qa1 Bf8 29.h4 Be6+/– 30.Ra4 Ra8 31.Rb1+– Qc6 32.Bd4 Bc8 33.Rc1 Qd7 34.Rac4 Qe6 35.Qa5 Bb7 36.Rc7 Qe4 37.f3 Qd5 38.Qb6 Rb8 39.Qf6 (39.Qf6 Qd4 40.Qf7 Kh8 41.Qh7#) 1–0. Tanguy,Fabien (2080) – Moulie,Patrick, 11th Open Tarbes FRA, 2003.

6.e3 Bd6 7.bc5 Bc5 8.Be2 =.

6.g3 Nc6 7.d3 Be7 8.Bg2 0-0 9.Nbd2 e5 10.0-0 e4 11.Ne1 ed3 12.ed3 Re8 13.bc5 Bc5 14.Nb3 Ba7 15.Nf3 Bg4 16.h3 Bf3 17.Bf3 Ne5 18.Bg2 h5 (18...Rc8 19.c4=) 19.Nd4 (19.d4 Nc4 20.Bc1 Qb6=) 19...Rc8 (19...Bd4 20.cd4 Nc6 21.Qb3=+) 20.Kh1 (20.Nf3 Qd6=) 20...Qd7 21.Rc1 b5 22.Rc2 Ng6 23.Bc1 Qd6 24.Bg5 Bd4 25.cd4 Rc2 26.Qc2 Qa3 (26...Nh7 27.Bc1=) 27.Bf6 gf6 28.Bd5 Qd6 29.Qc5 (29.Qa2 Re7+=) 29...Qd7 (29...Rd8 30.Be4 h4 31.Ra1=) 30.Bg2+= Kg7 31.Kg1 h4 32.Bc6 (better 32.d5!?+=) 32...Qh3-/+ 33.Be8 hg3 34.fg3 Qg3 35.Kh1 Qh3 ½-½. marekt (2360) - alekhinebattery (2435), gameknot.com, 2021.

6.g3 Nc6 7.Bg2 b5 (7...Bd6 8.0-0+=) 8.0-0 c4 (8...e5 9.d3+=) 9.a4= Bb7 10.Na3 Qb6 11.d3 Be7 (11...cd3 12.ed3 Bd6 13.ab5 ab5 14.Qd2=) 12.Bc1 (12.ab5 ab5 13.Bc1 cd3 14.Be3 de2 15.Qe2=) 12...e5 (12...cd3 13.Be3 de2 14.Qe2= (worse is 14.Bb6 ed1Q 15.Rfd1 ba4-/+)) 13.dc4 (13.Be3!? Qd8 14.ab5 ab5 15.Nb5 Ra1 16.Qa1 cd3 17.ed3+=) 13...bc4= (worse is 13...dc4 14.Be3 Qd8 15.ab5 ab5 16.Qd8 Rd8 17.Ne5+–) 14.Be3 (14.Bg5 Qd8=) 14...Qc7+= 15.Nh4 (15.b5 Na5=) 15...0-0= 16.Nf5 Rad8 (16...Rfd8 17.b5 Ba3 18.bc6+=) 17.Qc1 (17.Qc2 Ng4=) 17...Rfe8 (17...Bc8 18.Ne7 Ne7 19.a5=) 18.Ne7 (18.Bh6 Nh5+= (worse is 18...gh6 19.Qh6 Bf8 20.Qg5 Kh8 21.Qf6 Kg8 22.Qg5 Kh8 23.b5+/–)) 18...Ne7 19.Rd1 h6 20.a5 Rd7 (20...d4 21.Bb7 de3 22.Bf3-/+) 21.Bh3 (21.Bc5 Nc8=) 21...Rd6 22.b5 (22.Bc5 Rc6=) 22...d4 (22...Nc8 23.f4=) 23.cd4 ed4? (better is 23...ab5 24.Bg2 Ba6 25.de5 Rd1 26.Qd1 Qe5=) 24.Bf4 (better is 24.Nc4 Rdd8 25.Bf4+–) 24...ab5+= 25.Bd6 (25.Bg2 Ba6 26.Rd4 Nc8 27.Bd6 Nd6+–) 25...Qd6= 26.Qb2 (worse is 26.Nb5 Qc6 27.f3 Qb5 28.Rd4 Ba6-/+) 26...b4 27.Nc2 d4 becomes the focus of attention 27...Nc6 28.Ne1 (28.a6!? Ba8 A) 29.Nd4? c3 30.Nb5 cb2 31.Nd6 ba1R (31...ba1N?! 32.Ne8 Ne8 33.Ra1=) 32.Ra1 Re2–+; B) 29.Ne3+=) 28...c3-/+ 29.Qc2 Qd5 Attacking the isolated pawn on a5 30.Bg2 Qc4 31.Qd3= Qd3 32.ed3 b3+= 33.Rdb1 b2-/+ 34.Ra4? Re1!!–+ 35.Re1 c2 36.Raa1 Na5! 37.Rab1 cb1Q Threatening mate: Qxe1 38.Rb1 Bg2 39.Kg2 Nc6 40.Rb2 Ne5 41.Rb8 Kh7–+ 42.Rd8 Nd3 43.Rd4 Nc5 44.f4-/+ Ne6 45.Rd1 (45.Ra4 Nd5-/+) 0–1. Viloria,Daniel – Kepes,Peter, COL m03 Colombia, 1999.

6.ab4 Be7 7.e3 a6 8.d4 Bd7 9.Nbd2 Nc6 10.Bd3 h6 11.Qc1 0-0 12.h3 Bd6 13.0-0 e5 14.de5 Ne5 15.Ne5 Be5 16.Re1 Bb5 17.Bc2 (17.Bb5!? ab5 18.Ra8 Qa8 19.Qc2+=) 17...Bb8 18.Nf3 Ne4 (18...Bc4 19.Qd1=) 19.Nd4 (19.c4 Bc4 20.Be4 de4+=) 19...Qd6 (better 19...Bc4=+) 20.Nb5+/- Qh2 21.Kf1 Qh1 22.Ke2 Qg2 23.Rf1?? (better 23.Be4 de4 24.Rg1 Qf3 25.Ke1+/-) 23...ab5?? (better 23...Ng3 24.Kd3 Nf1 (24...Qf1?! 25.Qf1 Nf1 26.Nd4=+) 25.Qf1 Qf1 26.Rf1 ab5-+) 24.Be4+- (24.Ra8 Ng3 25.Kd3 Nf1-+ (25...Qf1? 26.Qf1 Nf1 27.Ra5+-)) 24...de4 25.Ra8 Qf3 (25...Qh3 26.Qd2+-) 26.Ke1 Qh3 27.Qd2 f5 (27...Qe6 28.Rg1+-) 28.Qd4 (better 28.Qd5 Kh7 29.Qb7 Rd8 30.Qb5 Rd3 31.Qb8 Re3 32.fe3 Qe3 33.Kd1 Qd3 34.Kc1 Qf1 35.Kc2 Qd3 36.Kb3 Qd1 37.Ka3 Qd7+-) 28...Qg2 29.c4 (29.Qd5 Kh7 30.Qb7 Rd8 31.Rb8 Rd1 32.Kd1 Qf1 33.Kc2 Qd3 34.Kb3 Qd1 35.Ka2 Qa4 36.Kb1 Qd1 37.Bc1 Qb3 38.Ka1 Qc2 39.Qb5 Qc1 40.Ka2 Qc2 41.Ka3 Qc3 42.Ka4 Qa1 43.Kb3 Qb1 44.Kc4 Qa2 45.Kd4 Qf2+-) 29...Qg4 Black intends f4 (29...Kh7 30.Ra5 bc4 31.Rb5+-) 30.c5 b6 (30...Qg6 31.Rh1 f4 32.ef4+-) 31.c6 Bc7 (31...Qg6 32.Qd7+-) 32.Rf8 (32.Qd5 Kh7 33.Rf8 Qe2 34.Ke2 Be5 35.Qe5 Kg6 36.Qf5) 32...Kf8 33.Kd2 (better 33.Qd7 Bh2+-) 33...f4 34.Re1 f3 (34...Kg8 35.Qd5 Kf8 36.Be5 Be5 37.Qe5+-) 35.Kc2 (35.Ra1 Qg2 36.Ra8 Kf7 37.Qd7 Kg6 38.Qg7 Kh5 39.Qf7 Qg6 40.Qc7 Qd6 41.Qd6 Kh4 42.Rg8 h5 43.Qg3) 35...Qg2 (35...Ke8 36.Ra1 Qe6 37.Ra8 Ke7 38.Qg7 Qf7 39.Qf7 Kf7 40.Ra7+-) 36.Kb3 (36.Ra1 Kg8 37.Ra8 Kf7 38.Qe4 Qf2 39.Kb3 Qb2 40.Kb2 Bb8 41.Rb8 Kf6 42.c7 h5 43.Rb6 Kf7 44.Qe6 Kf8 45.c8Q) 36...Qf2 (36...Qg6+-) 37.Qg7 Ke8 38.Rd1 (38.Qg6 Ke7 39.Bf6 Ke6 40.Bg7 Ke7 41.Qf6 Ke8 42.Qf8) 38...Qe3+- 39.Bc3 Qd3 (39...Qc3 40.Kc3 Bd6 41.c7 Be5 42.Qe5 Kf7 43.Rd7 Kg6 44.Rg7) 40.Rd3 (40.Qc7?! Qd1 41.Kb2 Qe2 42.Kb3 Qc4 43.Kb2 Qe2 44.Ka3 Qd3=) 40...ed3 (40...Bd6 41.c7 Bc7 42.Rd7 e3 43.Qe7) 41.Qc7 (41.Bf6 Bd6 42.Qg8 Bf8 43.Qg6) 41...Kf8 (41...d2 42.Qd7 Kf8 43.Bd2 Kg8 44.Bh6 f2 45.Qg7) 42.Qd7 (42.Qd7 d2 43.Bd2 Kg8 44.Bh6 f2 45.Qg7; 42.Qg7 Ke8 43.c7 f2 44.c8Q) 1-0. alessandrocarvalhaes (1760) - tom62 (1720), lichess.org, 2019.

6.cb4 a5 7.Qa4 b5 8.Qb3 ab4 9.ab4 Ra1 10.Ba1 Nc6 11.e3 Qb6 (11...Bb4 12.Bb5 Qd6 13.Ne5+=) 12.Bd4 Nd4 13.Nd4 Bd7 14.Nc3 Be7 15.Bd3 (15.Ncb5? e5–+) 15...Qd6 16.Bb5 Qb4 17.Bd7 Kd7 18.Qc2 Rc8 19.0-0 Ne4 20.Rb1 Nc3 21.dc3 (better is 21.Rb4!? Ne2 22.Kf1 Rc2 23.Nc2 Bb4 24.Nb4=) 21...Qc3-/+ 22.Qa4 Kd8 23.Rf1 Qc4 24.Qd1 Bf6 25.Qh5 Ke7 26.Qh7 Bd4 27.ed4 Qd4 0–1. Schulz,Hans_Juergen – Bonetti,Shane, TT–08 ETC, 2003. (=1.b4 c6 2.c4 d5 3.cd5 cd5 4.Bb2 Nf6 5.Nf3 e6 6.a3)

6.cb4 a5 7.b5 Bd6 8.e3 0-0 (8...Nbd7 9.Be2=) 9.d4 Nbd7 (9...Bd7 10.Bd3=) 10.Bd3 Nb6 11.Nbd2 (11.0-0 Bd7=) 11...Bd7 12.0-0 Qe7 13.Re1 Rfc8 Black gets in control 14.Ne5 Rc7 15.e4 (15.a4 Rac8=) 15...Ne4 (15...de4 16.Ne4 Ne4 A) worse is 17.Nd7 Bh2 (17...Rd7?! 18.Be4 Qg5 19.Qe2=) 18.Kf1 Qd7 19.Re4 Bd6-/+; B) 17.Re4=) 16.Ne4 de4 17.Nd7 (17.Re4!? Nd5 18.Re1=) 17...Qd7+= (17...Nd7?! 18.Be4 Qh4 19.g3=) 18.Re4 Nc4 19.Bc1 (19.Bc4!? Rc4 20.Qh5+=) 19...Qb5-/+ 20.Rh4 (20.Re1 Qd7-/+) 20...g6 21.Rb1 Qd7 22.Bg5 (better is 22.a4!?-/+) 22...Na3–+ 23.Bf6? (better is 23.Ra1–+) 23...Be7 (23...Nb1?? 24.Rh7 Bh2 25.Rh2 Qd4 26.Rh8) 24.Rh7 Bf6 (24...Bf6 25.Rb3 Kh7 26.Ra3 Bd4–+) 0–1. Coccomo – Coltharp, email 4AMM–07, 1997. (=1.b4 c6 2.c4 d5 3.cd5 cd5 4.Bb2 e6 5.Nf3 Nf6 6.a3)

6.cb4 a5 7.b5 Bd6 8.Be5 =.

6.cb4 a5 7.b5 Be7 8.e3 0-0 9.Be2 Nbd7 10.0-0 b6 (10...Bd6 11.Nc3=) 11.Nd4 (11.d4 Ra7=) 11...Bc5+= 12.Nc6 Qc7 13.f4 (13.Qc2 Kh8=) 13...Bb7 14.Ne5 (14.d4 Bd6=) 14...Bd6 (14...Ne4 15.d4 Be7 16.Nd2=) 15.d4 Rfc8 16.Nd2 (16.Nc3 Qd8= (worse is 16...Be5 17.fe5 Ne4 18.Ne4 de4 19.Rc1+/–)) 16...Qc2 17.Rb1 Rc7 (17...Qd1 18.Rfd1 (worse is 18.Rbd1 Rc2 19.Bc1 Ra2-/+) 18...a4 19.Rbc1=) 18.Ndf3 (18.Bd3 Qd1 19.Rbd1 Rac8=) 18...Rac8 (18...Qd1 19.Rfd1 Rac8 20.Rdc1=) 19.Ng5 (19.Qc2 Rc2 20.Bd3 R2c7=) 19...Qd1 Black gets the initiative 20.Bd1 (20.Rfd1 Nf8=) 20...Nf8 21.a4 (21.Be2 Ne8 22.Ngf3 f6+=) 21...h6 22.Nh3 (22.Ngf3 Ne4+=) 22...Ne4-/+ 23.Nf3 (23.Ra1 Bb4-/+) 23...Ng6 24.g4 (24.Nf2 Nc3 25.Bc3 Rc3-/+) 24...Bb4 25.Be2 Bd2–+ (25...Bd2 26.Nd2 Nd2–+) 0–1. Scherbeijn,C – Keizer,H, corr Netherlands, 1993. (=1.b4 c6 2.c4 d5 3.cd5 cd5 4.Bb2 e6 5.Nf3 Nf6 6.a3)

6.cb4 a6 7.g3 Nbd7 8.Bg2 Rb8 9.0-0 b5 10.Nc3 Bb7 11.Qb3 Bd6 12.Nd1 0-0 13.Ne3 Ne4 14.d3 Nef6 15.Rac1 Rc8 16.Bc3 Qe7 17.Qb2 Rc7 18.Nd4 Rfc8 19.Nb3 e5 20.Nf5 Qf8 21.Na5 Ba8 22.d4 e4 23.Bh3 g6 24.Nd6 Qd6 25.Bd2 Rc1 26.Rc1 Rc1 27.Qc1 (worse is 27.Bc1 Nb6+=) 27...Nb6 (27...Qb8!?+/–) 28.Bf4+– Qe7 29.Qc5 Qc5 30.dc5 (30.bc5 Nc4 31.Bc7 Ne8= (31...Na3? 32.Bd8 Ne8 33.Bd7+–)) 30...Nc4 31.c6 Ne8 32.Nc4 dc4 33.c7 Bb7 (33...Nc7 34.Bc7 f5+–) 34.c8Q Bc8 35.Bc8 c3 36.Ba6 Nf6 37.Bb5 c2 (37...Nd5 38.Bc1 Kf8 39.Bc6+–) 38.Ba4 Nd5 39.Bc2 Nf4 40.gf4 f5 (40...Kf8+–) 41.b5 Kf7 42.b6 Ke7 43.b7 Kd7 44.b8Q 1–0. b4_player – bambi, casual, 2013.

6.cb4 Nc6 7.d3 h6 8.Nc3 a6 9.g3 Be7 10.Bg2 d4 11.Na4 e5 12.Rc1 Bd7 13.0-0 0-0 14.Nc5 Rc8 (14...Bc5!? 15.bc5 Bf5=) 15.Nb7+/– Qb6 16.Nc5 Bc5 17.Rc5 Rfe8 18.Nd2 Na7 (18...Nd8!? 19.Nc4 Qb8 20.Rc8 Bc8+–) 19.Nc4+– Qb8 20.Rc8 Rc8 21.f4 ef4 22.Rf4 Nb5 23.Bd4 Nd4 24.Rd4 Qa7 25.e3 Be6 26.Qf3 Nd5? (26...Qe7+–) 27.Rd5 Bd5 28.Qd5 Rf8 (28...Rc7 29.Qd8 Kh7 30.h3+–) 29.Qb7 Qb8 30.Qa6 Qd8 31.Be4 Kh8 (31...Qg5 32.Qd6 Rd8 33.Qc7+–) 32.Qc6 Qg5 33.b5 (33.Qc5!? Qd8+–) 33...f5 34.Bd5 Qg4 35.Bf3 Qg5 36.b6 Qe7 (36...Kh7 37.b7 Qe7 38.Qc8+–) 37.b7 Qd8 (37...Rd8+–) 38.Ne5 Qa5 39.Ng6 Kg8 (39...Kh7 40.Nf8 Kh8 41.Ng6 Kh7 42.b8Q Qe1 43.Kg2 Qd2 44.Kh3 Qh2 45.Kh2 h5 46.Qh8) 40.Qd5 Rf7 (40...Qd5 41.Bd5 Kh7 42.Nf8 Kh8 43.b8Q f4 44.Ng6 Kh7 45.Be4 fe3 46.Qh8) 41.b8Q Kh7 42.Qh8 Kg6 43.Qe6 1–0. Janek – 76022, internet, 2016.

6.cb4 Nc6 7.e3 d4 8.Nd4 Nd4 9.Bd4 (9.ed4?! Be7=) 9...Bd6 10.Bc4 (10.Bb5 Bd7 11.Bf6 Qf6 12.Bd7 Kd7+/-) 10...0-0+= 11.d3 b6 (11...e5 12.Bb2+=) 12.Nd2 (12.Qf3!? Rb8 13.Bf6 Qf6 14.Qf6 gf6 15.Nc3+/-) 12...Bb7 13.Nf3 Bd5 (13...a6 14.e4+=) 14.Bb5 Rc8 (14...a6 15.Bc4+=) 15.e4 Bc6 (15...Bb7 16.Qa4 Bb8 17.Rd1+/-) 16.Ba6 (16.Bc6 e5 17.Ne5 Be5 18.Be5 Rc6+-) 16...Ng4? (16...Rc7 17.0-0+/-) 17.Bb2?? (17.b5 Bd7 18.Bc8 Qc8+-) 17...Rb8?? (17...Rc7 18.b5 Ba8 19.h3+/-) 18.0-0?? (better 18.Nd4 Ne5 19.f4+-) 18...Qc7 (18...b5!? 19.Rc1 Rb6 20.Rc6 Rc6 21.Bb5 Rb6+=) 19.g3+/- h5? (19...b5 20.Nd4 Ne5+/-) 20.Nh4?? (20.Rc1 b5 21.Nd4 Be5 22.Rc6 Qd7 23.Bb5 Bd4+-) 20...Nf6? (better 20...b5!? 21.h3 Nh6+=) 21.Re1 (21.Bf6 gf6 22.Qh5 b5+-) 21...Be5 (21...Ng4 22.Rc1 b5 23.Bd4+/-) 22.d4 Bd6? (22...Rfd8 23.Rc1 b5+-) 23.e5 Be5 (23...Ng4 24.h3 Be7 25.b5+-) 24.de5 (worse 24.Re5 b5 25.d5 Rfd8+-) 24...Nd5 25.Rc1 (better 25.Qh5 Bb7 26.Bd3+-) 25...Qe7 (25...b5 26.Qc2 Rb6 27.Bb5 Rb5 28.Qc6 Qc6 29.Rc6 a5+-) 26.Rc6 Nc7 27.Be2 Nd5 28.Bf3 g6 (28...Rfd8 29.Nf5! ef5 30.Bd5+-) 29.Bd5 ed5 (29...Rfd8 30.Ng6! Qg5 31.Nf4+-) 30.Qd5 (better 30.Ng6 Qg5 31.Bc1 Qg6 32.Rg6 fg6 33.Qd5 Rf7 34.e6+-) 30...Rbd8 (30...Kh7 31.e6 f6 32.f4+-) 31.Qf3 (31.Rg6 Kh7 32.Qe4 Rd2 33.Re6 Kg8 34.Re7 Rb2 35.e6 Rb1 36.ef7 Kh8 37.Qe5 Kh7 38.Qh5 Kg7 39.Nf5 Kf6 40.R7e6) 31...Qg5 32.Qf6 (32.e6 fe6 33.Qc3 e5 34.Rg6 Qg6 35.Ng6 Rf2 36.Qe5 Rg2 37.Kg2 Rd2 38.Kf3 Rb2 39.Ne7 Kf8 40.Qf5 Kg7 41.Qg6 Kf8 42.Qg8) 32...Qd2 (32...Qf6 33.Rf6 Rd2+-) 33.Rf1 Qb2 34.Ng6! (34.Ng6 fg6 35.Qg6 Kh8 36.Qh6 Kg8 37.Rg6 Kf7 38.Qg7 Ke8 39.Re6) 1-0. alessandrocarvalhaes (1870) - genhamilton1804 (1830), lichess.org, 2020.

6.cb4 Bd6 7.Nc3 =.

6.cb4 Bd6 7.e3 0-0 8.Nc3 Nbd7 9.Be2 a6 10.Na2 e5 11.d3 Re8 12.0-0 Nf8 13.Rc1 Bd7 14.d4 e4 15.Ne5 Ng6 16.Nd7 Qd7 17.Re1 Qf5 18.h3 h5 (18...Qg5 19.Kh1+=) 19.Nc3= Qg5 20.Bf1 Nh4 21.Kh1 Ng4 22.Rc2 (22.hg4 Nf3 23.g3 hg4 24.Qf3 Qh5 25.Kg1 gf3 26.Nd5 Qd5–+) 22...Nh2 23.Ree2 Re6 24.Na4 Rg6 (24...Rg6 25.g3 N2f3–+ (25...Nf1?! 26.Qf1 Qf5 27.Rc1-/+)) 0–1. Seack,Ingo – De Waard,Jos AM, ICCF World Cup8–9 prel–187, 1990. (=1.b4 c6 2.c4 d5 3.cd5 cd5 4.Bb2 Nf6 5.Nf3 e6 6.a3)

6.cb4 Bd6 7.e3 0-0 8.Be2 a5 9.b5 Qe7 10.Nc3 e5 11.Na4 Nbd7 12.0-0 b6 13.d4 e4 14.Ne5 Bb7 (worse is 14...Be5 15.de5 Ne5 16.Nb6+–; 14...Ne5?! 15.de5 Be5 16.Be5 (worse is 16.Nb6 Bb2 17.Ra2 Be5–+) 16...Qe5 17.Nb6=) 15.Nc6 Qe6 16.Rc1 Rac8 17.Rc3 Rfe8 18.Qb3 Qf5 19.Rfc1 g6 (19...Qg5 20.R3c2=) 20.h3 h5 21.R3c2 g5 22.Nc5 (22.Rc3 g4 23.hg4 hg4=) 22...bc5 23.dc5 Nc5 24.Rc5 g4 (24...Bc5 25.Rc5 Bc6 26.Rc6 Rc6 27.bc6+=) 25.hg4+= hg4 26.g3 (26.R5c2 g3 27.fg3 (27.Na5?? Qf2 28.Kh1 Rc2 29.Qc2 Qe3–+) 27...Bg3 28.Bd1–+) 26...Bc5+= 27.Rc5 Bc6 28.bc6 Rc7 (28...Red8!?=) 29.Qb6+= Ree7 30.Ra5 Qe6 31.Ra8 Kh7 32.Bb5 Qd6 33.a4 (33.Qd4 Re6+=) 33...Re6 (33...Re8 34.Ra7 Ra7 35.Qa7+=) 34.a5 Rce7 (34...Kg6 35.a6 Rc6 36.Bc6 Qc6 37.Qc6 Rc6 38.a7+–) 35.Ra7 (better is 35.Qd8 Ne8 36.Bd4+/–) 35...Ne8? (better is 35...Ra7 36.Qa7 Re7+/–) 36.Rd7+– Qb4 37.Bf1 Qb6 (37...Qa4 38.Qa7 Rd7 39.cd7 Re7 40.de8B Qe8+–) 38.ab6 Rc6 39.Re7 Rb6 40.Bd4 (40.Bd4 Re6 41.Rf7 Kg6 42.Rd7+–; 40.Re8?! Rb2 41.Rd8 Rd2+–) 1–0. pcmvr – zzvotra (2745), net–chess.com, 2016. (=1.b4 c6 2.c4 d5 3.cd5 cd5 4.Bb2 e6 5.Nf3 Nf6 6.a3)

6.cb4 Bd6 7.e3 0-0 8.Be2 Nbd7 9.Nc3 a6 10.d4 b5 11.0-0 Ne4 12.Ne4 de4 13.Nd2 Bb7 14.Nb3 Nb6 15.Nc5 Bd5 16.Bc3 f5 17.g3 Qg5 18.a4 White fights for the Initiative 18...f4 (better is 18...Bc5!? 19.dc5 Na4+=) 19.ef4+= Bf4 20.Be1 Nc4 21.ab5 e3 (21...ab5 22.Ra8 Ra8+/–) 22.f3?? (better is 22.ba6!? Nd2 23.h4+–) 22...Nd2 (22...ab5!? 23.h4 Ra1 24.Qa1 Qg6=) 23.ba6 Nf1 24.Bf1 Bf3?? (better is 24...Bc7+=) 25.Qf3+– Be5 (25...e2 26.Qe2 Be3 27.Kh1 Bd4+–) 26.Ne6 e2 (26...Rf3 27.Ng5 Rf1 28.Kf1 Bd4+–) 27.Qe2 Rae8 (27...Qf6 28.Qc4 Bd6 29.Nf8 Kf8 30.a7+–) 28.Qe5 (28.Qe5 Qe5 29.de5 Re6 30.Bc4+–) 1–0. Ulibin,Mikhail (2580) – Ibarra Jerez,Jose Carlos (2135), Mondariz op 7th, 2000. (=1.b4 c6 2.c4 d5 3.cd5 cd5 4.Bb2 e6 5.Nf3 Nf6 6.a3)

6.cb4 Be7 7.e3 0-0 8.Be2 a5 9.b5 Nbd7 10.0-0 b6 11.Nd4 Bd6 12.Nc3 Bb7 13.Nc6 Qc7 14.f4 a4 15.Rc1 Nc5 (worse is 15...Bc6 16.bc6 Nc5 17.Nb5+/–) 16.Rc2 Bc6 (16...Rfc8 17.Ne5=) 17.bc6+= Qc6 18.d4 Nb7 (better is 18...Na6!?=) 19.Bb5+/– Qc7 20.Nd5! Qd8 (20...ed5 21.Rc7 Discovered attack; 20...Nd5 21.Rc7 Discovered attack) 21.Nf6 Qf6 22.Qd3 Qe7 23.e4 f6 24.e5 fe5 25.fe5 Rf1 26.Kf1 Rf8 27.Kg1 Bb8 28.Qe4 (28.Ba4?! Be5 29.Qe2 Bf4+=) 28...Na5 29.Ba4 1–0. Fournier,Frederic (2310) – Toninhojit (2395), Queenalice.com (AUTO–ELITE–892), 2012. (=1.b4 c6 2.c4 d5 3.cd5 cd5 4.Bb2 e6 5.Nf3 Nf6 6.a3)

6.cb4 Be7 7.e3 0-0 8.Be2 Bd7 9.0-0 Nc6 10.d4 Ne4 11.Nbd2 (11.Nc3 Nc3 12.Bc3 Rc8=) 11...f5 (11...Nd6 12.Rc1=) 12.Nb3 Qe8 (12...Rc8 13.Nc5+=) 13.Rc1 Nd8 14.Nc5 Nc5 (14...Bb5 15.Ne5=) 15.bc5 (15.dc5 Bb5+=) 15...Nf7 (15...Bb5 16.Bb5 Qb5 17.Qd2=) 16.Qd2 (16.Qd3 Rc8+=) 16...g5 (16...Bb5 17.Bb5 Qb5 18.Rb1+=) 17.Rb1 (17.Qd3 a6+/–) 17...g4 (17...Bb5 18.Bb5 Qb5 19.Rfc1+=) 18.Ne1 Ng5 19.Bc3 (19.Nd3 Ne4 20.Qb4 b6+=) 19...Bc6 (19...b6 20.cb6 Ne4 21.Qd3 Nc3 22.Qc3 ab6 23.Rb6 Ra3 24.Qb2+=) 20.Nd3 Rf6 (20...Ne4 21.Qb2+=) 21.f3 (21.Ne5 Ne4 22.Qb2 Nc3 23.Qc3 Rf8+/–) 21...gf3+= 22.Bf3 Ne4 23.Be4 fe4 24.Rf6 Bf6 25.Nf4 Qe7 26.Qe2 Re8 (26...Kh8 27.Qg4+=) 27.Rf1 (27.Qg4 Kh8+=) 27...Bd7 (27...Kh8 28.Qg4+=) 28.c6 (28.Bb4 Bc6+/–) 28...bc6 (28...Bc6!? 29.Bb4 Qd7 30.Nd5 ed5 31.Rf6 Bb5+/–) 29.Bb4+/– Qd8 (better is 29...c5 30.Bc5 Qd8+–) 30.Nh5+– Bg5 31.h4! Bh4 (better is 31...c5 32.Bd2 Bh4 33.Qg4 Qg5 34.Nf6 Kh8 35.Qg5 Bg5 36.Ne8 Be8 37.Rf8 Kg7 38.Re8 Kf7+–) 32.Qg4 Qg5 33.Nf6?? (better is 33.Rf4 Kh8 34.Bd6 Qg4 35.Be5 Kg8 36.Rg4 Kf7 37.Rg7 Kf8 38.Rd7+–) 33...Kh8+= 34.Qg5 Bg5 35.Ne8 Be3 36.Kh1 Be8 37.Rf8 Kg7 38.Re8 Bd4 39.Re6 (39.Re6 c5 40.Ba5+/–) 1–0. Hecht,HJ – Koch,W, Tempelhof, 1953. (=1.b4 c6 2.c4 d5 3.cd5 cd5 4.Bb2 Nf6 5.Nf3 e6 6.a3)

6.d3 b5 7.a4 ba4 8.dc4 dc4 (8...Bd7 9.e3+=) 9.Qd8+/- Kd8 10.Nbd2 Bd7 11.Nc4 Be7 12.g3 Na6 (12...Ke8!?+/-) 13.Bg2 Rc8 14.Nfe5 (14.Nfe5 Be8 15.0-0+-) 1-0. marekt - drink1966, ChessWorld.net, 2021.

6.d3 b5 7.a4 Bd7 8.dc4 bc4=+ 9.e3 Bd6 (9...Qc7 10.Na3=+) 10.Be2 (10.Bc4 0-0+=) 10...0-0 (10...Qc7 11.Na3=+) 11.0-0 (11.Bc4!? Qc7 12.Be2=) 11...Qc7=+ 12.Nbd2 (12.b5 a6 13.Na3 ab5 14.Nb5 Bb5 15.ab5 Nbd7-/+) 12...Nc6 (12...Rd8 13.Ba3=+) 13.b5 (13.Ba3 Ne7=+) 13...Ne7 14.Ba3 Ba3 15.Ra3 Qa5 (15...a6 16.ba6 Ra6 17.Qc2=+) 16.Qb1 Rab8 (16...a6 17.ba6 Ra6 18.Qa1=+) 17.Qa1= Ng6 18.Nd4 (18.e4 Rfe8=) 18...Ne5 (18...Rfd8 19.f4=+) 19.N2f3 (19.f4 Nd3=) 19...Nf3=+ 20.Bf3 a6 21.Rb1 (21.Be2 e5 22.Nf3 Rfe8=+) 21...ab5 (21...e5!? 22.Nc2 Bf5=+) 22.ab5= Qd8 23.Ra6 e5 24.Nc6 Bc6 25.Rc6 Qd7 26.Rc5 (26.Qb2!?=) 26...e4-/+ 27.Be2 Rb6 28.Qa5 Qd6 29.Qb4 Nd7 30.Rc6 Rc6 31.bc6 Qc6 32.Qb5 Ne5 (32...Qb5 33.Rb5 Nf6 34.g4-/+) 33.Qa5 (33.f4!? ef3 34.Qc6 Nc6 35.Bf3=) 33...h6–+ 34.f4? (34.Qb5 Qb5 35.Rb5 Rd8–+) 34...Nd3 (34...ef3!? 35.Bf1 Qg6 36.Qb6–+) 35.Qa2 (35.Qb5 Qa8–+) 35...Ra8 36.Qc2 (36.Qd2 Ra3–+) 36...Ra3 (36...Qc5 37.Bd3 Qe3 38.Qf2 Qf2 39.Kf2 cd3 40.Ke3–+) 37.h3 (37.Qd2 Qf6 38.Bd3 cd3–+) 37...Qf6 38.Rb5 (38.Bf1 g6–+) 38...Rc3 39.Qa4 (39.Qa2 Rc1 40.Kh2 Nf4 41.Bg4–+) 39...Nf4! 40.ef4 (40.ef4 Rc1 Double attack) 40…Rc1 (40...Rc1 41.Bd1 Qd4 42.Kh2 Rd1–+) 0–1. tsodikovich (1745) – oddyma (1845), gameknot.com, 2015.

6.d3= cd3!? 7.ed3 a5 =.

6.d3 cd3 7.Qd3 a5=+.

6.d3= Nbd7 7.dc4+= dc4 8.Nbd2 Qc7 9.e3 Nb6 10.a4 a5=+ 11.b5 e5 12.g3 Bg4 13.Qc2=+ Bd6 14.Bg2 0-0 15.Ng5 Rfd8 16.Nde4 Ne4 17.Qe4+/– f5 18.Qb7 Ra7 19.Qc7 Bc7 20.Bf3 Bf3+= 21.Nf3 Bb8 22.Ke2 Rad7 23.Bc1 Rd3 24.Bd2 g5 25.Rhd1 h6 26.Ne1 R3d7 27.Nf3 (27.f3!?+=) ½–½. Mair,Bob – Caron,Harvey, Canada op Edmonton, 2000.

6.e3 Bd6 7.Be2 0-0 8.0-0 a6 9.a4 Nbd7 10.Na3 Qc7 11.Nc2 e5 12.g3 Ne4 13.d3 Nef6 14.dc4 e4 15.Nd2 Ne5 16.c5 Be7 17.Nd4 Bh3 18.Re1 Nd3 19.Bd3 ed3 20.N2f3 Ne4 21.Qd3 Bf6 22.c4 Bg4 23.Reb1 Bf3 24.Nf3 Bb2 25.Rb2 Rad8 26.cd5 Rfe8 27.d6 Qc6 28.Nd4 Qd5 29.Rd1 Nf6 30.Rbd2 Qh5 31.Qe2 Ng4 32.Nf3 Re4 33.Rd5 Qh6 34.Qd2 Rb4 35.Qb4 Nf6 36.Rg5 Rd7 37.c6 bc6 38.Qb8 1–0. Machete99 – guest1436, ICC, 2002.

6.Ne5 Bd6-/+ 7.Nf3 0-0 8.g3 a6 9.Bg2 b5 10.0-0 e5 11.d3 Bb7 12.Nh4 Qc7 13.Nf5 Nbd7 14.Nd6 Qd6 15.dc4 bc4 16.a4 Bc6 17.Ba3 Qc7 18.b5 ab5 19.Bf8 Kf8 20.Nd2 Ra4 21.Ra4 ba4 22.Qc2 Nc5 23.Ra1 Nb3 24.Nb3 (24.Ra2!?-/+) 24...cb3 25.Qb2 Nd7 26.Qa3 Ke8 27.e3 e4 28.Rd1 Nb6 (28...Qa5 29.Qb2-/+) 29.Bf1 Qe7 30.Qb2 Qc5 31.Rd4 Bb5 (31...Nc4!? 32.Bc4 dc4-/+) 32.Bb5+= Qb5 33.Rb4 Qc5 (33...Qc6 34.Qd2 Nc4 35.Qd4+=) 34.Qa3 (34.Qe2 Nc4 35.Qg4=) 34...Qa5?? (better is 34...Qc6-/+) 35.Kg2 Kd7 (better is 35...f6+=) 36.f3?? (better is 36.Rb3 Ke6 37.Qb4+/–) 36...f5 (36...ef3 37.Kf3 Nc4 38.Rb7 Kc8–+) 37.fe4+= fe4 38.g4?? Ke6 39.Kg3 g5 40.h3 h6 41.Kg2 Kf6?? 42.Kg3?? Kg6 43.h4 Kf6?? 44.h5?? Ke5?? 45.Rd4 Ke6-/+ 46.Rb4 Nc4 47.Qc1?? b2 48.Qb1 a3 49.Qa2 Ne3 50.Re4= Kd6 51.Re3 Qb6 52.Re1 Qc5= 53.Qb3 Qc4?? 54.Qa3+– (54.Qa3 Qc5 55.Qb2+–) 1–0. Jule – Hal1958, playchess.de, 2004.

6.h3 b5 7.g4 (7.d3 a5=+) 7...Ne4 (7...h5 8.g5 Ne4 9.d4=+) 8.Bg2 (8.d3 Nd6=) 8...Nc6 (8...Qb6 9.Nd4 Nc6 10.a4=+) 9.Nd4 (9.d3!? cd3 10.ed3=) 9...Nd4 10.Be4?? (better 10.cd4 Bb7 11.Nc3 Nc3 12.Bc3-/+) 10...Nb3–+ (10...de4?! 11.cd4 Bb7 12.e3-/+) 11.Ra2 (11.Bg2 Na1 12.Ba1–+) 11...a5 (better 11...de4 12.a4 h5 13.gh5 ba4 14.Ra4 Qd5–+) 12.Bc2-/+ a4 13.Bb3? (better 13.e3-/+) 13...cb3 (13...ab3!? 14.Ra1–+) 14.Ra1 f5 (14...h5!? 15.gh5 Qg5 16.e3–+) 15.gf5 ef5 16.d3 Bd6 17.Nd2 0-0 18.Nf3 (18.Rg1 Bh2 19.Rg2 Be5–+) 18...Be6 (18...Re8 19.Rg1–+) 19.d4? (19.Rg1 Ra7–+) 19...g6 (19...f4!? 20.h4–+) 20.h4 h5 (20...f4 21.Ne5–+) 21.Ng5 (21.Qd3!?-/+) 21...Bd7 22.Qd2 (22.Rg1 Rf6–+) 22...Qc7 (22...f4 23.Qd3 Rf6 24.Qf3–+) 23.Rg1 Bh2 24.Rg2 Bf4 25.e3 Bg5 26.Rg5 Qh2 (better 26...Kh7 27.Qe2 Qc6–+) 27.Rg6?? (better 27.Qe2 Kh7 28.f4 Qh1 29.Kf2–+) 27...Kh7–+ 28.Rg5 (28.Rg3 f4 29.Rg5–+) 28...Qh4 29.Rg1 Rg8 (29...f4!? 30.e4 de4 31.Qe2–+) 30.Rf1 (30.Rg8 Rg8 (30...Kg8?! 31.Qe2-/+) 31.Qd3 Rg2–+) 30...Rae8 31.Ke2 (31.Qd3 Rg2–+) 31...Qg4 (31...f4 32.Kd1 fe3 33.Qd3 Re4 34.fe3 Rg2–+) 32.f3 (32.Ke1 f4 33.Qe2–+) 32...Qh3 33.Rf2 Rg2 (better 33...f4 34.Re1 fe3 35.Qe3–+) 34.Rg2 (34.Raf1 f4–+) 34...Qg2 35.Kd3 (35.Kd1 Qf3 36.Qe2–+) 35...Re3!! 36.Qe3 (36.Qe3 Qc2 Mate attack; 36.Ke3 f4 Mate attack) 36…Qc2 (36...Qb2 37.Qe7 Kh6 38.Qd6 Kh7 39.Qd7 Kh6 40.Qe6 Kh7 41.Qf5 Kh6 42.Qf4 Kh7 43.Qc7 Kh6 44.Qc6 Kh7 45.Rg1 Qb1 46.Rb1 b2 47.Rb2 Kg7 48.Rg2 Kf7 49.Qc7 Ke6 50.Rg6 Kf5 51.Qf7) 0–1. dex_radja – blackeagle, gameknot.com, 2017. (=1.a3 e6 2.b4 d5 3.Bb2 c5 4.c3 c4 5.Nf3 Nf6)

6.h3 Bd6 7.d3 cd3 8.ed3=+.

6.b5 Ne7 (6...Na5 7.e3=+) 7.e3 Bd7 (7...Nf5 8.c4=+) 8.c4= Ng6 9.Be2 Be7 (9...Bd6 10.0-0=) 10.0-0 0-0 11.Ne5 (11.d4 a6=) 11...Ne5 12.Be5 a6 (12...dc4 13.Bc4 a6 14.a4=) 13.ba6 ba6 14.d4 (14.Nc3 Bc6=) 14...dc4 15.Bc4 Bb5 16.Bb5 (16.Qb3 cd4 17.Bb5 ab5 18.Bd4 Qd5 19.Qd5 Nd5= (< 19...ed5 20.Nc3+=)) 16...ab5 17.Qb3 Qa5 18.dc5 Bc5 (18...Nd7 19.Bd6 Nc5 20.Bc5 Bc5 21.Rd1=+) 19.Nc3 (19.Bf6 gf6 20.Nc3 Rfb8=) 19...Nd7= 20.Bg3 ½–½. Feicht,Arno – Hartl, NB MII Germany, 1993.

6.d4 cb4 7.ab4 a6 8.Nbd2 Bd6 9.e3 0-0 10.Bd3 Bd7 11.Qc2 Rc8 12.0-0?? (12.Qb3 Qc7=+) 12...e5?? (better 12...Nb4 13.cb4 Rc2 14.Bc2 Bb4-+) 13.de5= Ne5 14.Ne5 Be5 15.Nf3 Bd6 16.Nd4 Qc7 17.Rac1? (better 17.h3!?=) 17...Bh2-/+ 18.Kh1 Be5 19.Ne2 h6 20.f4 Bd6 21.Kg1 Rfe8 22.Kf2?? (better 22.Qd2 Qb6 23.Nd4-+) 22...Qb6 (22...Ng4 23.Kg1 Ne3 24.Qd2 Nf1 25.Rf1-+) 23.Nd4 Ne4 (better 23...Ng4 24.Kg1 Ne3 25.Qf2 Nf1 26.Rf1-+) 24.Be4 de4 (better 24...Re4 25.Qb3 Rc4-+) 25.Qe4?? (better 25.Qe2-+) 25...Re4 26.Rfe1 Rce8 27.c4 Bb4 28.Re2 Bc5 29.Rce1 a5 (29...Re3 30.Re3 Qb2 31.Kg3 Re3 32.Re3 Qd4 33.Re8 Be8 34.Kh4 Qf4 35.Kh3 Bd6 36.c5 Qg3) 30.Kf3 a4 (better 30...Re3! 31.Re3 Re3 32.Re3 Qb2 33.Rd3-+) 31.Bc3 a3 32.g4 a2! 33.f5 (33.Ra2 Bd4 Combination) 33...Ra8 (33...Bd4!? 34.Bd4 Rd4 35.Ra2 Bc6 36.Kg3-+) 34.Ra1 (34.Ke4 Ra3 35.Rb2 Bc6 36.Nc6 Qc6 37.Kd3 Qd6 38.Kc2 Be3-+) 34...Bb4 (better 34...Bc6 35.Nc6 Qc6 36.Kg3-+) 35.Bb4 Qb4 36.Rc2 Qa3 37.Ke4 Bc6 (better 37...Re8 38.Kf3 Qe3 39.Kg2 Qd4 40.Rd1 Bc6 41.Kg3 Re3 42.Kf2 Rf3 43.Ke1 Qg1 44.Kd2 Qe3) 38.Kf4 (38.Nc6 bc6 39.Kf3 Qb3-+) 38...Qd3 (38...Qd6) 39.Nc6 (39.Re2 Re8 40.Raa2 Re3 41.Re3 Qd4 42.Kg3 Qe3 43.Kh2 Qf3-+) 39...Qc2 40.e4 Qb2 (40...Qd2 41.Kg3 Ra3 42.Kh4 Qg5) 41.Ra2 (41.Ra2 Ra2 42.e5 Qf2 43.Ke4 bc6 44.c5 Ra4 45.Kd3 Ra3 46.Ke4 Qe3; 41.Ne7 Kf8 42.Rd1 Qf2 43.Ke5 a1B 44.Ra1 f6 45.Kd5 Rd8 46.Ke6 Qb6 47.Nc6 Qc6) 1-0. alessandrocarvalhaes (1835) - gchris (1835), lichess.org, 2020.

6.e3 cb4 7.ab4 a6 8.d4 Bd7 9.Nbd2 Be7 10.Qb1 0-0 11.Bd3 h6 12.h3 Bd6 13.g4 e5 14.de5 Ne5 15.g5 Nd3 16.Qd3 hg5 17.Ng5 g6 (17...Qc7 18.Ngf3=+) 18.h4 Bf5 19.Qe2 Re8 20.Ndf3 Bg4 21.Qd2 Bf4 (21...Rc8 22.Rg1=+) 22.Qd4 (22.c4!? Bf3 23.Nf3+=) 22...Bf3 23.Nf3 Nh7?? (better 23...Bd6=) 24.0-0-0 (24.Qf4 Re4 25.Qh6 Qf8 26.Qf8 Kf8+-) 24...Be5?? (better 24...Re4 25.Qd5 Qd5 26.Rd5 Nf6+/-) 25.Ne5+- Kg7 (25...Qf6 26.f4 Rad8 27.Rdg1+-) 26.Nc6 (better 26.Ng6 Nf6 27.Nf4 Re4 28.Nh5 Kg6 29.Qf6 Qf6 30.Nf6 Kf6 31.Rd5 Ke6+-) 26...Qf6 27.Qf6 (27.c4 Qd4 28.Nd4 dc4 29.Ne6 Kg8+-) 27...Kf6 (27...Nf6 28.Nd4 Rec8+-) 28.Nd4 (better 28.c4!? Ke6 29.Nd4 Ke7 30.cd5 Nf6+-) 28...Ke7 29.Rdg1 (29.h5!? Nf6+-) 29...Nf6 30.h5! gh5 (30...Nh5 31.Kd2 Decoy; 30...gh5 31.Nf5 Combination) 31.Rg5 (better 31.Nf5!? Kd7 32.c4 Re4 33.Bf6 Rc4 34.Kd2 Ke6+-) 31...Rg8 32.Re5 Kd6 33.Kc2?? (better 33.f4 Kd7+-) 33...Rge8?? (better 33...Ke5 34.c4 dc4 35.Nb5 Kf5 36.Nd6 Kg6 37.Nc4 Ng4-+) 34.Rf5 (34.Re8 Re8 35.Nf5 Kc6+-) 34...Re7 (34...Ke7+-) 35.Rf6 (35.Rf6 Kc7 36.Rh5+-) 1-0. alessandrocarvalhaes (1850) - Djon_99 (1705), lichess.org, 2020.

6.e3 b6 7.Be2 Bb7 8.d3 Bd6 9.Nbd2 Qc7 10.b5 Ne5 11.0-0 Nfg4 (11...Nf3 12.Nf3 0-0 13.Qb3=+) 12.h3 Nf6 13.d4 Nf3 14.Nf3 c4 15.a4 Ne4 (15...a6 16.ba6 Ra6 17.Qc2=+) 16.Qc2 0-0 17.Ba3 Ba3 18.Ra3 a6 19.Rfa1 ab5 (19...f6 20.Qb2=+) 20.ab5= Qd7 21.Qb2 f6 22.R3a2 (22.Bd1 Nd6=+) 22...Ra2 23.Qa2?? (23.Ra2 Nd6=+) 23...Qb5?? (better 23...Nc3 24.Qb2 Ne2 25.Qe2 Qb5–+) 24.Qc2 Qb3 25.Rc1 (25.Qb3!? cb3 26.Ra3-/+) 25...Qc2–+ 26.Rc2 Ra8 (26...Bc6 27.Ne1–+) 27.Nd2 Nd2 28.Rd2 Ra1 29.Kh2 Rc1 30.Rb2 Rc3 31.Rb6 Rb3 32.Re6?? (better 32.Rd6–+) 32...Kf7 33.Bg4 (33.Re4 Rb2 34.Bh5 g6–+) 33...h5! 34.Bf5 (34.Bh5 Ke6 Deflection) 34...g6 35.g4 (35.e4 de4 36.Re4 gf5 37.Re1–+) 35...gf5 36.gf5 Rb2 (better 36...c3 37.Rd6 Ke8 38.Re6 Kd7 39.Rf6–+) 37.Kg2 (37.Rd6 Ke8 38.Re6 Kd7 39.Rf6–+) 37...c3 38.e4 de4 39.Kg3 (39.Rd6 e3 40.d5 e2 41.Kg3 e1Q 42.Rd7 Ke8 43.Kh4 Kd7 44.Kh5 Rf2 45.Kg6 Rg2 46.Kh5 Rg5 47.Kh6 Qh4) 39...c2 40.Rd6 (40.Rb6 Rb6 41.d5 c1Q 42.Kg2 Rb1 43.h4 Qh1 44.Kg3 Rb3 45.Kf4 Qh4) 40...c1Q 41.Rd7 Ke8 42.Rb7 (42.Re7 Ke7 43.h4 Qh1 44.d5 Bd5 45.Kf4 Qf3) 42...Qg5 43.Kh2 Rf2 44.Kh1 Qg2 0–1. Alcocer,Danny – Quirhuayo,Gonzalo, Festival Panamericano da Juven, 2010.

6.e3 Bd6=+.

6.bc5 Bc5 7.Qa4 Nbd7 8.e3 =+. Shakkimestari – fsakvador, internet, 2006.

6.bc5 Bc5 7.e3 =+.

6.d4 cb4 7.cb4 0-0 8.e3 a6 9.Bd3 Nc6 10.0-0 b5 11.Nbd2 h6 (11...Qb6 12.Ne5=) 12.Nb3+= Re8 13.Nc5 Qc7 14.h3 e5 15.de5 Be5 (15...Ne5 16.Be5 Be5 17.Ne5 Qe5 18.a4 ba4 19.Qa4+/-) 16.Ne5+/- Ne5 17.f4 (17.a4 ba4 18.Ra4 Qd6+/-) 17...Nc4 (17...Ned7!? 18.Nd7 Nd7+=) 18.Bf6+/- Ne3 19.Qh5 Nf1 20.Rf1 Qd6 21.Be5 Qb6? (better 21...Qc6+-) 22.Rf3 Be6 (22...Re7 23.Rg3 f5+-) 23.Rg3 Rac8 (23...Bg4 24.Rg4 Re5 25.Qe5 g5 26.fg5 h5 27.Rh4 Qh6 28.gh6 f6 29.Qe7 Rd8 30.Qg7) 24.Qh6 (24.Qh6 Kf8 25.Qg7 Ke7 26.Qf6 Kf8 27.Rg8 Kg8 28.Qg7) 1-0. marekt (1965) – willemblom, gameknot.com, 2014.

6.Qa4 a6 7.e3 =+.

6.Qa4 Be7 7.bc5 Bc5 8.d4 b5 =+.

6.Qa4 Be7 7.d3 0-0 8.Nbd2 b6 9.e4 Qc7 10.Be2 Bb7 (Black fights for the initiative) 11.ed5 Nd5 12.c4 Nf4-/+ 13.Rg1 Rfd8 14.Bf1 cb4–+ 15.d4 ba3 16.Ba3 Ba3 17.Qa3 Nf6 18.Rd1 h6 19.g3-/+ Ng6 20.Qe3 Ng4 21.Qc3 e5–+ 22.h3 ed4 23.Nd4 Re8 24.Be2 Nf6 25.Kf1 Qd7 26.g4 Nf4 27.g5 hg5 28.Rg5?! Qh3 29.Qh3 Nh3 30.Rg3 Nf4 31.f3?? Rad8 32.N2b3 Ne2 33.Ne2 Rd1 34.Kf2 a5 35.Nbd4 Rd2 (36.Rg1 Nh5–+; 35...Ba6 36.Rg1 Rg1 37.Kg1 Bc4 38.Ng3–+) 0–1. Schmalix,Walter – Hartling,Tim, Bad Zwesten op 5th, 2001.

6.d3 Bd6 7.Nbd2 0-0 =+.

6.d3 Bd6 7.e3 0-0 8.d4 b6 9.Nbd2 Bb7 10.Bb5 Qe7 11.0-0 a6 12.Ba4 Rfc8 13.Re1 Rc7 14.Qe2 Rac8 15.h3 e5 16.de5 Ne5 17.bc5 Rc5-/+ 18.Nd4 g6 19.f4 Nc4 20.Nc4 dc4 21.Bc2 Re8 22.a4 Rcc8 23.Qd2 Ne4 24.Be4 Be4 25.Qf2 f5 26.Qg3 Rc7 27.h4 Qf8 28.Kf2 Rg7 29.Rh1 h6 30.Rh2 g5 31.hg5-/+ Rg5 32.Qh4 Rg4 33.Qh5 Re7 34.g3 Kh7 35.Nf3 Bf3 36.Kf3 Bc5 37.Re1 Rg6 38.Rd2?? Qa8 39.Kf2 Qe4 40.Qf3-/+ Rge6 41.Qe4 Re4 42.Rde2 Rd7 43.Kf3 h5 44.Bc1 Rd3 45.Rc2 Kg6 46.Kf2 h4 47.gh4? Rf4 48.Kg3 Rg4 49.Kh3 Kh5 50.Rf1 Rh4 51.Kg3 Rg4 52.Kf3 f4 53.Re1?! Kg5 54.Kf2 Kf5 55.Kf3 Rg3 56.Kf2 Kg4 57.Kf1 fe3 58.Bb2 Kf3 59.Rce2–+ Rd2 60.Bc1 Re2 61.Re2 Rg1! 62.Kg1 Ke2 (63.Kg2 Kd3 64.Be3 Be3–+) 0–1. Uvarov,Igor – Albertin,Anatoly, Tula Timashkov mem, 2005.

6.d4 cd4 7.cd4 Bd6 8.Nbd2 (8.Nc3 0-0=) 8...0-0 9.e3 a6 10.Bd3 h6 (10...Nb6 11.Ne5=) 11.Ne5 b6 12.Nc6 (12.0-0 Bb7+=) 12...Qc7 (12...Qe8!?=) 13.Rc1+– Qb7 14.0-0 Re8 (14...Nb8 15.Ne5+–) 15.f4+– Nb8 16.Ne5 Qe7 17.Rc3 (17.Rf3 Bb7+–) 17...Bb7 18.Qf3 Nbd7 19.Nc6 Qf8 20.Ne5 (20.Rfc1!?+=) 20...Rac8 21.Rfc1 Rc3 22.Rc3 Rc8 23.Nd7 Nd7 24.Rc8 Qc8 25.Qd1 Nf6 26.Kf2 (26.Qf1 Qa8=+) 26...Qc7 27.g3 Qc8 28.h3 Qc7 29.Kf3 Qc8 30.g4 (30.Kf2 Bc6=) 30...Qc7 31.h4 White prepares the advance g5 31...Qc8 32.Qc2 Qc2 33.Bc2 Kf8 34.g5 hg5 35.hg5 Nh5 36.Nb3 g6 37.Nc1 Ke7 38.Nd3 Ng7 39.Ne5 Be5 (39...Nf5!?=) 40.de5+= Kd7 41.Ke2 Nf5 42.Kd3 Bc6 43.Bd4 Kc7 44.a4 Ng3 45.Kc3 Ne2 46.Kb2 Ng3 47.Ka3 Ne4 48.a5 b5 (48...ba5 49.ba5 Bb5 50.Kb3+=) 49.Kb3 Bb7 50.Kb2 ½–½. tino_vegh (2030) – dinofan (1750), gameknot.com, 2014.

6.e3 Bd6 +=.

6.e3 e5 =+.

6.bc5 Bc5 7.e3 0-0=+.

6.d3 0-0 7.bc5 Bc5 8.d4 Bb6 (8...Bd6 9.Nbd2-/+) 9.e3=+ Nbd7 (better 9...Nc6=+) 10.Ne5? (better 10.Nbd2=) 10...Ne5-/+ 11.de5 Nd7 12.Be2 Ne5 13.0-0 Bd7 14.Nd2 Rc8 15.Nf3 (15.a4 f6–+) 15...Nc4 16.Bc4 Rc4 17.Re1 Ba4 18.Qd3 h6 (18...Qf6 19.Rac1–+) 19.Nd4 (19.Ne5 Re4 20.Nf3 Qf6–+) 19...e5 20.Ne2 (20.Nf5 Bc6–+) 20...Qd7 21.Ng3 f5 Black plans e4 22.Ne2 Bc7 (22...Rf6 23.Kh1–+) 23.f3 (23.f4 Bb5 24.Qd2 Re4 25.fe5 Be5–+ (25...Re5?! 26.c4 Bc4 27.Be5 Be5 28.Nd4-/+)) 23...Qd6 (better 23...Rc6 24.Qd2–+) 24.Red1? (24.f4–+) 24...Bd1 25.Rd1 e4 (better 25...Rc5 26.Kf1 Qc6–+) 26.fe4 (26.Qd5 Qd5 27.Rd5 ef3 28.gf3–+) 26...Qh2 27.Kf1 fe4 28.Nf4 ed3 29.Rd3 Bf4 30.ef4 (30.Ke1 Qg2 31.Rd2 Qg1 32.Ke2 Qe3 33.Kf1 Be5 34.Kg2 Rg4 35.Kh1 Rf1) 30...Rcf4 31.Rf3 Rf3 32.gf3 Rf3 (32...Rf3 33.Ke1 Rf2 34.c4 Qg1) 0–1. mpopp – agostinhoarruda, net–chess.com, 2019.

6.e3 b6 7.d3 Bb7 8.Be2 Nbd7 9.Qb3 0-0 10.c4 h6 (10...dc4 11.dc4 cb4 12.ab4=+) 11.0-0= Qc7 12.Nc3 dc4 13.dc4 cb4 14.ab4 a6 15.Rfd1 Rad8 16.Rd2 Ne4 (better 16...Nb8!?=) 17.Ne4+/- Be4 18.Ra6 Bf3 19.Bf3 (19.gf3?! Nc5 20.bc5 Rd2 21.cb6 Qd6=) 19...Nc5 20.bc5 Rd2 21.Qc3 (better 21.cb6 Qd8 22.Be5+-) 21...Rb2= 22.Qb2 Bc5 23.g3 Rd8 24.Ra1 Rd3 25.Ra8 Rd8 26.Qa1 g6 27.Rd8 (27.Ra7 Qd6+=) 27...Qd8= 28.Kg2 Qd3 29.Qc1 e5 30.Qf1 (30.Bd5 Qf5=) 30...Qc3 (30...e4 31.Be2 Qc2 32.Qd1 Qd1 33.Bd1=) 31.Bd5 Kg7 32.Qe2 Kf6?? (better 32...f5=) 33.Qf3+- Ke7 34.Qf7 Kd6 (34...Kd8 35.Qf6 Kc7 36.Qg6+-) 35.Qg6 (35.Qe8 e4 36.Qd8 Ke5 37.Qc7 Bd6 38.Qf7 Qe3 39.fe3 b5 40.Qe6) 35...Kd7 (35...Kc7 36.Qg7 Kd8 37.Be6+-) 36.Qe6 (36.Be6 Kd6 37.Bf5 Ke7 38.Qg7 Ke8 39.Qd7 Kf8 40.Be6 Be7 41.Qc8 Bd8 42.Qd8 Kg7 43.Qe7 Kg6 44.Qf7 Kg5 45.h4) 36...Kd8 37.Bc6 (better 37.Qh6!? Ke7+-) 37...h5 (37...Qd3 38.Qe5 Qd6 39.Qe8 Kc7+-) 38.Qd7 1-0. moss42 (1910) - theredflash06 (1970), ChessWorld.net, 2016.

6.g3 0-0 7.Bg2 Nbd7 (7...Nc6 8.Qc2=+) 8.d4 (8.0-0 Qb6=+) 8...c4 9.Nbd2 Qc7 10.0-0 b5 (10...a5 11.Qc2=+) 11.a4= ba4 12.Ra4 (12.Qa4 Bd6=) 12...Nb6 (12...Bb7 13.Qa1=) 13.Ra5 Bd7 (13...Bd6 14.Qc2=) 14.Ne5 Na4?? (better is 14...Bc8=) 15.Nd7+– (15.Ra4?! Ba4 16.Qa4 a5+–) 15...Nb2 16.Nf6 Bf6 17.Qc2 (17...Rfb8 18.Ra2+–) 1–0. mic (2240) – rr (2395), net–chess.com, 2007.

6.ab4 Bb4 7.Qa4 Nc6 8.cd5 ed5 9.e3 0-0 10.Bb5 a5 11.Bc6 bc6 12.Qc6 Bd7 13.Bf6 Bc6 14.Bd8 Rfd8 15.Nd4 Rdc8 16.Nc3 Bd7 (16...Bb7!?=+) 17.Nd5+= Bc5 18.Nb3 Be6 19.Nc5 (19.Ra5?? Ra5 20.Na5 Bd5-+) 19...Bd5 20.Nd7 Ra6 21.0-0 g6 (21...Be6!? 22.Ne5 f6+=) 22.Rfb1 (22.d4!?+/-) 22...Be6+= 23.Nb6 Rc6 (23...Rc2!? 24.d4 Ba2+=) 24.Na4+/- Bf5 25.Rb2 Bc2 26.Nc3 (26.Rba2 Bb3 27.Ra3 Ba4 28.Ra4 Rc2+-) 26...Bd3 27.Rba2 Rc5 28.f3 f5 29.Kf2 Kg7 (29...Re5 30.e4! fe4 31.Ke3+/-) 30.e4+- fe4 31.fe4 Kf6 (31...Rh5 32.g4 Rg5 33.Ke3+-) 32.Ke3 (32.Ra3 Bc4 33.d4 Rh5+-) 32...Bc4 33.Ra3 Bf7 (better 33...Rh5+-) 34.d4 Rc8 35.e5 Kf5 (35...Kg7 36.Ne4 Rc2 37.g3+-) 36.Ne4 (36.Rf1!? Kg5 37.Rf7 h5+-) 36...Rca8 (36...Bg8 37.Ra5 Ra5 38.Ra5+-) 37.Nd6 (better 37.Rf1 Ke6 38.Rc3+-) 37...Ke6 38.Ke4 Ke7 39.Nf7 Kf7 40.d5 a4 41.Rf1 Ke7 (41...Kg8 42.e6+-) 42.Rc1 (better 42.d6!? Ke6 43.Rf6 Kd7 44.Rf7 Kc6 45.Rc3 Kb6+-) 42...Kd7 43.Rc4 Ra5 (43...g5 44.Rb4 R6a7 45.e6 Kd6 46.Rb6 Kc5 47.Rc6 Kb5 48.Ra1+-) 44.h4 (44.e6 Ke8 45.d6 Rd8+-) 44...R8a7 45.g4 Ke7 46.g5 (46.e6 h5 47.gh5 gh5+-) 46...Kd7? (46...Rd7 47.Rd4 Rd8+-) 47.Rf3 Ke7 (47...R5a6 48.d6 Ra5 49.Rf7 Kd8 50.Rc5 Rf7 51.Ra5+-) 48.d6 Kd7 49.Rf7 Ke6 (49...Kd8 50.Rc5!! Rf7 51.Ra5+-) 50.Rf6 Kd7 51.Rd4 a3 (51...Kd8 52.Rb4 Kd7+-) 52.e6 Kc6 53.d7 (53.d7 Re5 54.Ke5 Ra6 55.d8Q Ra5 56.Qa5 h6 57.Rd7 hg5 58.Rc7) 1-0. black_bishop_88 (2660) - filolog (2565), lichess.org, 2020. (=1.a3 Nf6 2.b4 e6 3.Bb2 d5 4.Nf3 c5)

6.cd5 Nd5 7.ab4 Nb4 8.g3 (8.d4 Bd6-/+) 8...N8c6=+ 9.Bg2 Qb6 10.0-0 Nd5 11.Be5? (better is 11.Qc2!?=+) 11...Ne5–+ 12.Ne5 Bd6?? (better is 12...Qd4!? 13.Qa4 Qa4 14.Ra4 b5–+) 13.d4 (13.Qa4 Ke7 14.Nc4 Qb4 15.Nd6 Qd6=) 13...0-0 14.e3 Qb2 15.Nd2=+ Be5 16.Bd5 ed5–+ 17.de5 Qe5 18.Qe2 Bd7 19.Ra5 Bc6 20.Nc4?? Qe4 21.Nd6?? Qb4 22.Nb7 Bb7 23.Rb5 Qe7 24.Qb2 Ba6 25.Rd5 Bf1 26.Kf1 Rfd8 (26...Rfd8 27.Rd8 Qd8–+; 26...Qe4 27.Rg5 Qh1 28.Ke2–+) 0–1. coloplayah (2070) – saf (2110), net–chess.com, 2006.

6.Nc3 Nc6 7.e3 0-0 8.Ne2 (8.d4 Bd6=+) 8...b6 9.Ng3 d4 (9...Bd6 10.Bb5 Bb7 11.0-0=+) 10.Bb5= Bb7 11.0-0 de3 12.fe3 a6 (12...Be7 13.Bf6 Bf6 14.d4=) 13.Bd3 Re8? (better is 13...Nd5=) 14.Ng5+– Be7 15.Nh7! Nh7?? (15...e5+–) 16.Bh7 Kf8 17.Rf7! Kf7 18.Qh5 Kf8 (18...g6 19.Bg6 Kg8 20.Qh8) 19.Bg7! Kg7 20.Qg6 Kh8 21.Bg8!! Rg8 (21...Qd3 22.cd3 Rg8 23.Qh6) 22.Qh6 1–0. Weenink,Henri G – Van De Boogaard,P, corr, 1918.

6.c4 Qb6 7.Qc2 Bf2 8.Kd1 Bc5 9.cd5 ed5?? 10.Bf6+– gf6 11.d4! Bd6?? (11...Bd4 12.Qc8 Double attack (12.Qc8 Pinning; 12.Qc8 Deflection)) 12.Qc8 Qd8 13.Qb7 Nd7 14.Qd5 Be7 (14...Nb6 15.Qf5+–) 15.e3 Nb6 16.Bb5 Kf8 17.Qd8 Rd8 18.Nc3 Kg7 (18...Nd5 19.Kd2+–) 19.Nh4 Bd6 (19...Rhg8 20.Nf5 Kf8 21.g3+–) 20.Nf5 Kg6 (20...Kf8 21.Kc2+–) 21.Bd3 Kg5 (21...Bc7+–) 22.h4 Kg4 23.Rf1 Bg3 (23...Bf4 24.Rf4 Kh5 25.g4 Kg6 26.h5 Kg5 27.Ne4) 24.Be2 1–0. Janek – Vito, internet, 2018.

6.c4 Qb6 7.Qc2 Bf2 8.Kd1 Bc5 9.cd5 ed5?? 10.Bf6 Qf6 11.Qc5 Qa1 12.Qc8 Ke7 13.Qc5 Ke8 14.Qb4+/–.

6.c4 Qb6 7.Qc2 Bf2 8.Kd1 Bc5 9.cd5 Nd5 10.Bg7 Rg8 11.Qh7+/–.

6.c4 Qb6 7.Qc2 Bf2 8.Kd1 Bc5 9.cd5 Nbd7 10.de6 Qe6 11.e3 0-0 12.Bc4 Qc6 13.d4 Be7 14.Bd3 Qc2 15.Kc2 Nb6 16.Nc3 Be6 17.e4 Rac8 18.d5 Bd7 19.Ne5 Na4 20.Kb3 (better is 20.Nd7!? Nd7 21.Bb5 Nc3 22.Bd7 (< 22.Bc3 Bf6 23.Bd7 Rc3 24.Kd2 Rc7-/+) 22...Nd5 23.Bc8 Rc8 24.Kb3+/–) 20...Nc5=+ 21.Kc2 Na4 (better is 21...Be8!?=+) 22.Nd7+= Nd7 23.Rhc1 (23.Bb5 Nc3 24.Bd7 (< 24.Bc3 Bf6 25.Bd7 Rc3 26.Kd2 Rc7-/+) 24...Nd5 25.Bc8 Rc8 26.Kb3+/–) 23...Bf6 24.Bb5 Nc3?? (better is 24...Nb2 25.Kb2 Nc5-/+) 25.Bd7+/– Rc7 26.Kd3 Rd7 27.Bc3 Bc3 28.Rc3 f5 29.Rac1 fe4 30.Kd4 Rfd8 31.Rc8 Rd5 32.Ke4 Rd4 33.Ke5 R4d5 34.Ke6 R5d6 35.Ke7 ½–½. Zecha,Gerhard – Schuetzhold,Frank (2130), Bayern–chI Bank Hofmann 3rd, 1999.

6.c4 Qb6 7.Qc2 Bf2 8.Kd1 d4!?–+.

6.c4 dc4?! 7.Qa4 Nbd7 8.Qc4 =+.

6.d3 Qb6!? 7.Qc1 Bf2 8.Kd1 –+.

6.d3 Nc6?? 7.Nbd2 (7.e3!?=+) 7...Qb6 8.d4 Nd4 9.Nd4 Bd4 10.Bd4 Qd4 11.e3 Qc3 12.Bb5 Bd7 13.Bd7 Nd7 (< 13...Kd7 14.Rb1 Qc6 15.c4-/+) 14.0-0 0-0 15.e4 Nb6 16.ed5 Nd5 17.Ne4 Qc6 18.Rc1 Rfd8 19.Qf3 h6 20.Rb1 b6 21.Rfc1 Rac8 22.Rb3 Qc4 23.Rd3 Qa2 24.Rd2 Qb2 25.Qd1 Qa3 26.c4-/+ Re8?? 27.Rd3?? Qb4-/+ 28.Rb3 Qa4 29.Nd6 Rcd8?? 30.Nf5?? Ne3!–+ 31.Nh6 gh6 32.Qh5 0–1. Kabela,Adam – Petrzilek,Lukas, CZE–chMa U12, 1998.

6.d4 Qb6 7.Ra2 Bd6 8.c4 Qc7 (8...dc4 9.Nbd2 Qa5 10.Qc2+=) 9.c5 (9.Nc3 0-0= (9...Qc4?? 10.e4 Qc7 11.e5+–)) 9...Be7 10.e3 b6 11.cb6 Qb6 12.Nbd2 (12.Nc3 0-0+=) 12...Nc6 13.Qb3 (13.Bc3 0-0=) 13...Rb8 14.Qb6 Rb6 15.Bc1 (15.Bd3 Ba6 16.Ba6 Ra6+=) 15...Bd7 16.Rb2 Rb2 17.Bb2 0-0 18.Bd3 Rb8 19.Bc1 Na5 20.0-0 Nb3 21.Nb1 (21.Ne5 Be8 22.Nb3 Rb3-/+) 21...Nc1 (21...Bd6 22.Rd1-/+) 22.Rc1 Rb3 Attacks the isolani on a3 (22...Bd6 23.h3+=) 23.Rc3 (better is 23.Ne5!?+=) 23...Rc3-/+ 24.Nc3 Ba3 25.Ne5 Bb4 26.Nd7 Nd7 (26...Bc3?! 27.Nf6 gf6 28.g4=) 27.Na2 Bd6 28.h3 a5 29.Bb5 Nb6 30.Nc3 f6 (30...Kf8 31.Kf1-/+) 31.Kf1 Kf7 32.Ke2 e5 (32...Ke7 33.Kd3-/+) 33.Kd3 (better is 33.de5!? Be5 34.Nd5 Nd5 35.Bc4=) 33...Ke6-/+ 34.Bc6 f5 35.f3 g5 (35...e4!? 36.Kc2 Bb4 37.fe4 de4–+) 36.e4 de4 37.fe4 ed4 (37...fe4 38.Ne4 h6 39.Nd2+=) 38.Kd4 Be5 39.Kd3? Bc3–+ 40.Kc3 f4 41.Bb5 Ke5 42.Bd3 a4 43.Kb4 Kd4 44.Bb1? h5 45.Kb5 Nc4 46.Ka4 Nd2 47.Bc2 Ne4 48.Bd1 Nf6 Black plans g4 49.Kb3?? Ke3 50.Bf3 g4 51.hg4 hg4 52.Bc6 Ne4 53.Be4 Ke4 54.Kc2 Ke3 55.Kd1 Kf2 56.Kd2 Kg2 57.Ke1 f3 0–1. Simunic,Krunoslav – Bulic Braculj,Luka (1635), Kastel Stafilic CRO, Youth Ch, 2014.

6.d4 Qb6 7.Ra2 Bd6 8.e3 =.

6.d4 Qb6 7.Qc1 Bd6 8.e3 Nc6 9.Nbd2 Qa5 10.Bd3 b5 11.0-0 Bb7 12.Re1 a6 13.e4 Bf4 14.Qd1 0-0 15.Nb3 Qc7 16.Nc5 (16.e5!? Nd7 17.Bc1 Bc1 18.Qc1+=) 16...de4+= 17.Be4 Na5 18.Bb7 Nb7 19.Nd3 Bh6 20.Nfe5 Rac8 21.Re2 Na5 22.Bc1 (22.a4 Nc4 23.ab5 Nb2 24.Nb2 ab5=) 22...Bc1 23.Rc1 Nd5 24.Qf1 (24.Qe1!?=) 24...Qc3 25.Ra1 (25.Rd1 Qa3 26.Nc5 Nc6-/+) 25...Nc4 26.Qe1 Qe1 (26...Qd4!? 27.Re4 Qc3 28.Nc4 Rc4 29.Rc4 Qc4–+) 27.Ree1-/+ Ne5 28.Ne5 Rc2–+ 29.Nd7 Rfc8 30.Nc5 a5 31.Reb1? b4 32.ab4 ab4 33.Nd3 R2c4 34.Ra4 Rd4 35.Nb4 Rb4 36.Rab4 Nb4 37.g3 Nd5 38.Kg2 g6 39.Re1 Rc2 40.h4 h5 41.Re4 Nf6 42.Rf4 Kg7 43.Kh3 Ng4 44.Kg2 e5 45.Rf3 e4 0–1. Perez_Nunez Castillo,Jose – Penaranda Grilo,J (1885), Madrid ESP, 2nd Gonzalez Mem, 2011. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 c5 5.bc5 Bc5)

6.d4 Qb6 7.Qc1 Be7 8.Nbd2 0-0 9.e3 Nc6 10.c4 dc4 11.Bc4 Bd7 12.0-0 Rac8 13.Qb1 Na5 14.Bd3 Bb5 15.Bb5 Qb5 16.a4 Qb4 17.e4 Nc4 18.Nc4 Qc4 19.Bc1 b6 20.Bd2 Qc2 21.Re1 Qb1 22.Rab1 (worse is 22.Reb1 Ne4 23.a5 Nd2 24.Nd2 Bd8-/+) 22...Rc4 23.a5 ba5 24.Ba5 Rfc8 25.Rb7 Ra4 26.Re7 (worse is 26.Ra7 Bb4 27.Bb4 Ra7-/+) 26...Ra5 27.d5 ed5 28.ed5 Kf8 (28...a6!?=) 29.d6+= Rd8 (better is 29...Rd5+=) 30.Ng5?? (better is 30.Ne5!? Ra6 31.Rf7 Kg8 32.Rb7+/–) 30...Rd6 (better is 30...Rg5 31.Ra7 Rd5–+) 31.Rf7 (better is 31.Nh7!? Kg8 32.Nf6 Rf6 33.R7e2=) 31...Kg8-/+ 32.Rf6? (better is 32.h4!? Rg5! 33.Rf6 Rg2 34.Kg2 Rf6 35.Re7-/+) 32…gf6–+ (32...gf6 33.Ne4 Re6–+) 0–1. grazic66 (1765) – bishopscount (1830), gameknot.com, 2011.

6.Bd4 Bd4 7.Nd4 Nc6 8.Nc6 bc6 9.e3 0-0 10.d4 Re8 11.c4 dc4 12.Bc4 Rb8 13.0-0 Ne4 (13...e5 14.de5 Qd1 15.Rd1=) 14.Bd3 Nf6 15.Qa4 c5 (better is 15...Qd7+=) 16.Qc2?? (16.Qa7 Rb6 17.Rc1 cd4 18.Rc8 Rb1 19.Rb1 Qc8 20.Qd4 Rd8+/–) 16...g6?? (better is 16...cd4 17.Nd2 Bb7-/+) 17.dc5 Qd5 18.Nd2 e5 19.Bc4 (19.Ne4!? Ne4 20.Be4+–) 19...Qc5?? (better is 19...Qc6+/–) 20.Bf7!+– (20.Bf7 Kf7 21.Qc5+–) 1–0. zucchini – pieeater, ChessWorld.net, 2012.

6.Be5 Nc6 7.d4 Ne5 8.Ne5 Bd6 9.Nf3 0-0 10.e3 Bd7 11.Bd3 Rc8 12.0-0 Ba4 13.Nbd2 Rc3 14.Nb3 Qc7 15.Nfd2 (Better is 15.Qd2!? Ne4 16.Qe2-/+) 15...Bh2–+ 16.Kh1 Bd6 17.g3 Bb3 18.Nb3 e5 19.de5 Be5 20.Nd4 Bd4 21.ed4 Qd6 22.Kg2 Ra3 23.Ra3 Qa3 24.Qf3 Qd6 25.Rh1 Re8 26.Qf5 Qe6 27.Qg5 Ne4 28.Qh5 h6 29.Re1 Qd7 30.Qe2 Nf6 31.Qd1 Re1 32.Qe1 Qe6 33.Qa5 Qb6 34.Qb6-/+ ab6 35.Kf3 g5 36.c4 dc4 37.Bc4 Kf8 38.d5 b5 39.Bb3 Nd7 40.Ke3 Ke7 41.Bd1 Kd6 42.Kd4 Nb6 43.Bh5 f6 44.Bf7 b4 45.g4 b3 46.Kc3 Nd5 47.Kb3 Nf4 48.Kc4 Nh3 49.f3 Ng1 50.Bd5 b5 51.Kd4 Ne2 52.Ke3 Kd5 53.Ke2 Kc4 54.Ke3 b4 55.Ke4 b3 56.Kf5 b2 57.Kf6 b1Q 58.Kg7 Qb6 0–1. Hajdu,Zoltan – Varga,Csaba (2175), Miskolc Avas op–A, 2000.

6.Bf6 Qf6 7.d4 Nc6 8.e3 0-0 9.Nbd2 Bd6 10.c4 b6 11.Bd3 Bd7 12.0-0 Rfc8 13.cd5 ed5 14.Ba6 Rc7 15.Qb3 Ne7 16.Rfc1 g5 (better is 16...Rc1!? 17.Rc1 Rb8=) 17.Rc7+/– Bc7 18.Bb7 Rd8 19.Bd5 Nd5 20.Qd5 g4 21.Ne4 Qg7 22.Nh4 Be6 23.Qc6 Bb8 24.Rc1 h5? (better is 24...Qf8 25.Rc3 Qe7+=) 25.Ng3?? (better is 25.Qb5+–) 25...Qg5–+ 26.Nf3 gf3 27.Qf3 Rd4! 28.Nh5 (28.ed4 Qf4 Double attack (28...Qc1 Pinning; 28...Qc1 Deflection; 28...Qf4 Decoy)) 28...Rd8 (28...Bh2!? 29.Kh2 Rh4 30.Kg1 Rh5 31.Qe4–+) 29.h3 Be5 30.g4 Bd5 31.Qe2 (31.Qf5 Qf5 32.gf5 Bf3–+) 31...Qh4 32.Qf1 f5! 33.f4 (33.gf5 Qh5 Deflection (33...Qg5 Decoy)) 33...Bd6 (33...Bh8 34.Kh2 fg4 35.Ng3–+) 34.Rd1 Bc5 (34...Ba3 35.Qd3 Qe7 36.Kh2=) 35.Kh2 Be3 (35...fg4 36.e4 Qh5–+ (36...Be4?! 37.Rd8 Qd8 38.Qc4 Bd5 39.Qd5 Qd5 40.Nf6 Kf7 41.Nd5-/+)) 36.Rd5?? (36.Qe2 fg4 37.Qg4 Qg4 38.hg4–+) 36...Rd5 37.Qc4 Qf2 0–1. roy1nc6 (1890) – carlog (1915), gameknot.com, 2013. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5)

6.Bf6 Qf6 7.d4 Nc6 8.e3 0-0 9.Nbd2 Bd6 10.c4 dc4 11.Bc4 (11.Ne4!? Qd8 12.Nd6 Qd6 13.Bc4+=) 11...Qe7+= 12.0-0 Ba3 13.Qa4 (13.Bd3 Bb4+=) 13...Bd6 14.Rfb1 Rb8 (14...e5 15.Bb5+=) 15.Ne4= Bd7 16.Nd6 Qd6 17.Qd1 Rfd8 (17...Rfc8 18.Bd3=) 18.Ng5 h6 19.Ne4 Qe7 20.Nc5 Be8 21.Qg4 (21.Ne4 b6+=) 21...e5 22.Qe4 b6 23.Na6 Rbc8 24.Bd5 (24.d5 Na5 25.Be2 Rc3+=) 24...Qg5 (24...Qd6 25.Bc6 Bc6 26.Qe5 Qe5 27.de5-/+) 25.de5+= Ne7 (25...Ne5 26.Nb4 Ng4 27.Bb7-/+) 26.f4 (26.Bb7 Bc6 27.Bc6 Nc6=) 26...Qf5 (26...Qh4 27.Bb7 Rd2 28.Qf3= (28.Bc8? Bc6 29.Bf5 Be4 30.Be4 Qf2 31.Kh1 Qe3–+)) 27.Qf5= Nf5 28.e4 Ne3 29.Bb3 (better is 29.Rc1!? Rc1 30.Rc1=) 29...Rd2 30.g3 (30.Nb4 Ng2 31.Nd5 Nh4-/+) 30...Rg2 31.Kh1 Bc6 32.Bd5 0–1. Viloria,Daniel (1950) – Diaz,Aleksei (2020), ATL–ch Barranquilla, 1999.

6.Bf6 Qf6 7.d4 Nc6 8.e3 0-0 9.Nbd2 Bd6 10.c4 Qe7 11.Qb3 =.

6.Bf6 Qf6 7.d4 Bd6 8.e3 Nc6 9.c4 dc4 10.Bc4 0-0 11.0-0 e5 12.Nbd2 ed4 13.Ne4 Qg6 14.Nd6 (14.Nd4?? Qe4 15.Nc6 Qc6–+ (15...bc6?! 16.Qd6 Qc4 17.Rac1–+)) 14...Qd6 15.Nd4 Nd4 16.Qd4 Qd4 17.ed4 Bd7 18.Rfe1 Rfe8 19.f4 Rac8 20.Bd5 b6 21.Rac1 Re1 22.Re1 Kf8 23.Kf2 Rc3 24.Re3 Re3 25.Ke3 Ke7 26.Bc4 f6 27.d5 Kd6 28.Kd4 Bf5 29.Be2 Bc2 30.g3 Bb3 Attacks the isolani on d5 31.Bd3 h6 32.Be4 a5 33.Bf3 Ba2 34.g4 Bb3 35.h3 Ba2 36.h4 Bb3 37.Be4 Ba2 38.Bf3 Bb3 39.Be4 Ba2 40.Bf3 ½–½. usingprogram (2005) – leonpopaprani, internet, 2013.

6.g3 Qb6 7.d4?? (better is 7.Qc1 Bf2 8.Kd1-/+) 7...Qb2 8.dc5 (8.Nbd2 Ba3 9.Rb1 Qc3–+) 8...Qa1 9.Bg2 Nc6 (9...Nbd7 10.c4–+) 10.0-0 0-0 11.Qc1 (11.c4 d4–+) 11…Ne4 0–1. Dirtybush – Muleto, playchess.de, 2002.

6.g3 Nc6 7.Bg2 0-0 8.0-0 Re8 9.d4 Bd6 10.Nbd2 b6 11.c4 Ba6 12.cd5 ed5 13.Re1 Na5 14.e3 Rc8 15.Rc1 Qe7 16.Qa4 Bc4 17.Ne5 Be5 18.de5 Nd7 19.f4 Nc5 20.Qb4 Nd3 21.Qe7 Re7 22.Nc4 dc4 23.Bc3 Nb3 24.Rc2 Ne1 25.Be1 b5 26.Bd5 Nc5 27.Bb4 Rd7 28.e4 Nd3 29.Bd6 a5 30.Kf1 b4 31.ab4 ab4 32.Rc4 Rc4 33.Bc4 Nb2 34.Bd5 Nd3 35.Ke2 Nb2 36.Bb4 Ra7 37.h4 Ra4 38.Bc5 Ra5 39.Bd6 Na4 40.Kd3 Ra7 41.e6 fe6 42.Be6 Kh8 43.Kd4 Nb6 44.f5 Ra8 45.g4 Nc8 46.Bc5 Na7 47.Bd5 Nb5 48.Ke5 Re8 49.Kf4 Nc7 50.Bc4 Rc8 51.Bd4 Ne8 52.Be6 Rc1 53.Be5 Rh1 54.Kg5 Rg1 55.Bf7 h6 56.Kf4 Rf1 57.Ke3 Nf6 58.Bf6 gf6 59.g5 hg5 60.hg5 Re1 61.Kd4 fg5 62.f6 g4 63.e5 g3 64.Bh5 g2 65.Bf3 1-0. Lean_777_2015 (2110) - plon (2160), Rated Classical tournament, lichess.org. (=1.Nf3 d5 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.Bb2 Nf6)

7.Nc3 0-0 8.e3 Nc6 (8...Ba5!? 9.Nd2 a6=+) 9.Bd3= Bd7 10.0-0 a6 11.Ne2 Na5 12.Ne5 Be8 13.a4 Bc7 14.f3 (14.Ba3 Bd6+=) 14...Nc6 15.c4 dc4 16.Nc4 Nb4 (16...b5 17.ab5 ab5 18.Ra8 Qa8 19.Ne5=) 17.Ba3+= Bd6? (17...a5 18.Nc3+=) 18.e4 (better is 18.Nd6 Qd6 19.e4+–) 18...Be7+= (18...Nd3? 19.Nd6 (< 19.Bd6 Nb2 20.Qc1 Nc4 21.Bf8 Nb6+–; 19.Qd3?! Ba3 20.Qa3 b5=) 19...Nb2 20.Qb3 (< 20.Nb7 Nd1 21.Nd8 Ne3 22.Bf8 Nf1+–) 20...Na4 21.Ne8 Re8 22.Qa4+–) 19.e5 (19.Ne3 Nd3 20.Be7 Qe7 21.Qd3 Bc6=) 19...Nfd5= (19...Nd3? 20.Be7 (20.Qd3?! Nd5=) 20...Qe7 21.ef6 (21.Qd3?! Nd5=) 21...Qf6 22.Qd3+–) 20.Be4 Ba4 21.Qb1 Bb5 22.Rc1 h6 23.Ng3 (23.Bb4 Bb4 24.Bd5 ed5 25.Qb4 Bc4-/+) 23...Rc8 (23...Bc4!? 24.Rc4 b5 25.Rc1–+) 24.Nd6-/+ Rc1 25.Qc1 Bd6 26.ed6 Qd6 27.Qc5 (better is 27.Qd2!? a5 28.Bd5 Qd5 29.Bb4 ab4 30.Qb4–+) 27...Qc5–+ 28.dc5 Bc6 29.Ne2 f5 30.Bd5 Nd5 31.Nd4 e5 32.Nc6 bc6 33.Bb2 e4 ½–½. Drange Hansen,R – Lea,Per, corr Norway, 1979.

7.Nbd2 0-0 8.e3 Bd7 9.c4 Ba5 10.Bd3 dc4 11.Bc4 b5 (11...Nc6 12.0-0+=) 12.Bd3 Na6 (12...Bc6 13.0-0+–) 13.0-0+– Nc7 (13...Nd5 14.Rc1+–) 14.Nb3 Bb6 15.Rc1 Rc8 16.Ne5 Ncd5 (16...Nfd5 17.Qh5 h6 18.Nc5+–) 17.Qf3 h6 18.Nc5 Bc5 (18...Rc7 19.Rc2+–) 19.dc5 Bc6 (19...Ne7 20.Qg3 Be8 21.Rfd1+–) 20.Rfd1 Qc7 (20...Qa5 21.Nc6 Rc6 22.e4+–) 21.Nc6 Qc6 22.e4 Ne7 23.Bf6 gf6 24.Qf6 Ng6 25.e5 a6 (25...Qe8+–) 26.Bg6 fg6 (26...Qc7 27.Bd3 Rcd8+–) 27.Qg6 Kh8 28.Qh6 Kg8 29.Qg6 Kh8 30.Rd4 Rc7 (30...Qg2 31.Kg2 Rf2 32.Kf2 Rf8 33.Kg3 Rf3 34.Kf3 b4 35.Rd8) 31.Rh4 (31.Rh4 Rh7 32.Rh7) 1–0. Marekt – Jdogg55, gameknot.com, 2019.

7.Nbd2 Nc6 8.e3 0-0 9.c4 Re8 10.c5 Bc7 11.Bb5 e5 12.a4 (better 12.Ne5!? Be5 13.de5+=) 12...e4-/+ 13.Ng1 Bg4 14.Ne2 Bh5 15.Qb3 a6 16.Bc6 bc6 17.Ba3 (17.Ng3 Bg4-/+) 17...Ng4 18.h3 Ne3?? (better 18...Rb8 19.Qc3 Nh6-/+) 19.Qe3+/- (worse 19.fe3 Qg5 20.g4 Qh4 21.Kd1 Rab8=+) 19...f5 20.Nf4 Bf7 21.g3 g5 22.Ng2 Qf6 23.Nb3 Bg6 (better 23...f4 24.gf4 gf4+/-) 24.Rb1?? (24.Bc1 Reb8+-) 24...Rf8? (24...f4 25.Qc1 fg3=+) 25.0-0 (25.Rb2!? f4 26.gf4 gf4+/-) 25...f4+/- 26.gf4?? (better 26.Qc3+/-) 26...gf4-+ 27.Qc1 f3 28.Ne3?? (28.Re1-+) 28...Qg5 (28...Qh4 29.Rd1 Qh3 30.a5 Qh2 31.Kf1 Qh1) 29.Kh1 (29.Ng4 Rf4 30.Qf4 Bf4 31.Bc1 Bc1 32.Rfc1-+) 29...Bf4 (29...Qh4 30.Kg1 Qh3 31.Re1 Qh2 32.Kf1 Qh1) 30.Rg1= Qh4 (better 30...Qh6!? 31.Qf1 Be3 32.fe3 Qe3=) 31.Qe1?? (better 31.Qf1 Be3 32.fe3+/-) 31…Qh3 0-1. alessandrocarvalhaes (1850) - xxxmmm123456789 (2250), lichess.org, 2020.

7.e3 a5 8.c4+– dc4 (8...0-0 9.c5 Bc7 10.Bd3 b6 11.cb6 Bb6= 0.09; 8...Nc6 9.c5 Bc7 10.Bb5 Bd7 11.Nc3 0-0+= 0.28; 8...Bc7 9.Nc3 0-0 (9...Nc6 10.Nb5 Bb8 11.Rc1 0-0+= 0.53) 10.Nb5 Nc6 11.Rc1 a4+= 0.50; 8...Bd7 9.cd5 ed5 (9...Nd5 10.Bd3 Nc6 11.Nc3 Rc8+= 0.62) 10.Bd3 0-0 11.Nc3 Re8+= 0.31) 9.Bc4 a4 (9...Nc6!?+– 10.0-0 Bd7 11.Nc3 Rc8+= 0.59; 9...0-0 10.0-0 Nc6 11.Nc3 Bd7+= 0.56; 9...Bc7 10.Nc3 Nc6 11.Nb5 Bb8+= 0.59; 9...Na6 10.0-0 0-0 11.Nc3 Bc7+– 0.72; 9...Bd7 10.Nc3 Bc6 11.Ne5 0-0+= 0.62; 9...Qe7 10.0-0 0-0 11.Nc3 Nc6+= 0.59; 9...Qd6 10.Nc3 0-0 11.Nb5 Qe7+= 0.59) 10.Nc3+– (10.0-0 0-0 11.Nc3 Bd7+– 0.81) 10...Ba5 (10...Bd7 11.Rc1 0-0+– 0.75) 11.Qa4 Nc6 (11...Nbd7+– 1.09) 12.Qc2 b6 (12...0-0 13.0-0+–) 13.0-0 Qc7?? (better 13...Bc3 14.Bc3 0-0+–) 14.Nb5 Qd7 (14...Qd8 15.d5! Na7 16.de6 Be6 17.Rfd1+–) 15.Ne5 Ne5 16.de5 Nd5 17.e4 Nc7 (17...Nf4 18.Rfd1 0-0 19.Rd7 Bd7+–) 18.Nc7 Qc7 19.Bb5 Kd8 (19...Qd7 20.Bd7 Bd7+–) 20.Rad1 Bd7 21.Rd7 Qd7 22.Bd7 Kd7 23.Rd1 Ke7 (23...Bd2 24.Rd2 Ke7 25.Qc7 Ke8 26.Qc6 Kf8 27.Qa8 Ke7 28.Qb7 Ke8 29.Rd7 h5 30.Qc8) 24.Qc7 Kf8 (24...Ke8 25.Qc6 Kf8 26.Qa8 Ke7 27.Qb7 Ke8 28.Qd7 Kf8 29.Qd8) 25.Rd8 Rd8 26.Qd8 1–0. Pierre – CyMMr, internet, 2019.

7.e3 a5 8.Bd3 A) 8...Nc6 9.0-0 Bc7 (9...0-0 10.Nbd2 Bd7 11.c4 Bc7+= 0.47; 9...Bd7 10.Nbd2 0-0 11.Rb1 Bc7+= 0.41; 9...Qe7 10.Nbd2 0-0 11.c4 Bc7+= 0.50; 9...Rb8 10.Nbd2 0-0 11.c4 dc4+= 0.47) 10.Nbd2 0-0 11.Rc1 b6+= 0.37; B) 8...Bc7 9.0-0 0-0 (9...Nc6 10.Nbd2 0-0 11.Rb1 b6+= 0.37; 9...Bd7 10.Nbd2 0-0 11.c4 dc4+= 0.50; 9...b6 10.Nbd2 0-0 11.c4 dc4+= 0.37; 9...Bd6 10.Nbd2 0-0 11.c4 b6+= 0.56) 10.Nbd2 Nbd7 11.Rc1 Nb6+= 0.37; C) 8...Bd7 9.Nbd2 0-0 (9...Nc6 10.c4 0-0 11.0-0 Bc7+= 0.47; 9...Ba4 10.Rb1 Nc6 11.0-0 0-0+= 0.44; 9...Bc7 10.0-0 0-0 11.c4 dc4+= 0.47; 9...Bc6 10.Ne5 0-0 11.0-0 Nbd7+= 0.47) 10.0-0 Bc7 11.c4 dc4+= 0.44; D) 8...0-0 9.0-0 Qe7 (9...Bc7 10.Nbd2 Nc6 11.c4 dc4+= 0.47; 9...Bd7 10.Nbd2 Bc7 11.c4 dc4+= 0.44; 9...Re8 10.Nbd2 Bc7 11.c4 Nc6+= 0.53; 9...Na6 10.Nbd2 Bc7 11.Rc1 Bd7+= 0.47; 9...Nc6 10.Nbd2 Bd7 11.c4 Rc8+= 0.44; 9...a4 10.Nbd2 Nc6 11.c4 Bc7+= 0.56) 10.a4 Rd8 11.Nc3 Nfd7+= 0.41; E) 8...Nbd7 9.0-0 0-0 (9...Bc7 10.Nbd2 Rb8 11.c4 dc4+= 0.53; 9...Rb8 10.Nc3 0-0 11.Nb5 Re8+= 0.69; 9...Qe7 10.a4 Qb4 11.Bc1 Qd6+– 0.72; 9...Ra7 10.Nc3 0-0 11.Nb5 Ra8+– 0.87; 9...Nb8 10.Nbd2 0-0 11.c4 Bc7+= 0.69) 10.Nbd2 Bc7 11.Rc1 Nb6+= 0.34.

7.e3 Ba5 8.Bc3 A) 8...Bc7 9.Bd3 0-0 (9...Ne4 10.0-0 Nc6 11.Bb2 Qf6= 0.00; 9...Nc6 10.0-0 Qd6 11.Nbd2 Ng4= 0.09; 9...b6 10.Qe2 Nc6 11.0-0 Ne4= 0.09; 9...Nbd7 10.Nbd2 Nb6 11.Ne5 Nfd7= 0.25; 9...Bd7 10.Nbd2 Nc6 11.Rb1 Rb8= 0.09) 10.0-0 Nc6 11.Ne5 Bd6= –0.03; B) 8...Ne4 9.Ba5 Qa5 10.Nbd2 Nc3 11.Nb3 Qc7= 0.00; C) 8...0-0 9.Bd3 Bc7 (9...Nc6 10.Ba5 Qa5 11.Qd2 Qc7= 0.03; 9...Bd7 10.0-0 Bc3 11.Nc3 Qc7= 0.19; 9...Bc3 10.Nc3 Bd7 11.0-0 Qc7= 0.19) 10.0-0 Nc6 11.Nbd2 Ng4= 0.03; D) 8...Nc6 9.Bd3 0-0 (9...Bc7 10.0-0 Qd6 11.Nbd2 Ng4= 0.09) 10.Ba5 Qa5 11.Qd2 Qc7= –0.06.

7.e3 Ba5 8.Nbd2 0-0 9.Bd3 Qb6 10.Rb1+= Bd7 11.0-0 Nc6 (11...Qd6 12.c4+=) 12.c4 Qc7 (12...Qd8 13.Nb3+=) 13.cd5 Nd5 (13...ed5 14.Nb3+=) 14.Nc4+– Nb6 15.Na5 Na5 16.Ng5 (16.Rc1 Qd6+–) 16...h6+– 17.Rc1 Qd8 18.Nf3 Rc8 19.Rc8 Qc8 20.Qb1 Na4 21.Ba1 Qb8 (21...Qc7!?+–) 22.Qb4+– b6 23.Bc2 Qe8 24.Rc1 Nb7 25.Ne5 b5?? (better 25...a5 26.Qb3 Bb5+–) 26.Ba4 ba4 (26...a5 27.Qb1 Nd6 28.Bb3+–) 27.Qb7 Bb5 28.Qa7 f6 (28...Qa8 29.Qc5 Rb8+–) 29.Rc7 fe5 30.Rg7 (30.Rg7 Kh8 31.Rh7 Kg8 32.Qg7) 1–0. Janek – tscjs, internet, 2018.

7.e3 Ba5 8.Nbd2 Ne4 =.

7.e3 a6 8.c4 Bc7 9.Nbd2 0-0 10.Rc1 Nc6 11.Bd3 Ng4 (11...dc4!? 12.Rc4 Ne7=) 12.0-0+= f5 13.h3 Nf6 14.Qb3 Ne7 15.Rc2 h6 16.Rfc1 g5 17.Ne5 Be5 18.de5 Nd7 19.cd5 Nd5 20.Bf5! Rf5 (20...ef5 21.Qd5 Deflection (21.Qd5 Overloading); 20...Rf5 21.e4 Double attack (21.e4 Decoy)) 21.e4 Qb6?? (21...Re5 22.Be5 Ne5 23.ed5 ed5+–) 22.ef5 (22.ef5 Qd8 23.fe6+–; worse is 22.Rc8 Rc8 23.Rc8 Rf8 24.Rf8 Kf8 25.ed5 Qb3 26.Nb3 ed5+–; worse is 22.ed5 Rf8 23.de6 Qb3 24.Nb3 Nb6+–) 1–0. nordlicht (1960) – nextdoor (1605), gameknot.com, 2013.

7.e3 Ne4 8.Be2 Ba5 9.c3 Qc7 10.Nbd2 (10.0-0 Nd7= (10...Nc3? 11.Bc3 Bb6 12.Bd3+–; 10...Bc3?? 11.Nc3 Nc3 12.Bc3+–)) 10...Nc3 11.Bc3 Qc3?? (better 11...Bc3 12.Rc1 Bd2 13.Qd2 Nc6=) 12.Rc1+– Qa3 13.Rc8 Bd8 14.Bb5 (14.Qb1!? Qe7 15.Bb5 Kf8+–) 14...Ke7 15.Ne5 (better 15.Qb1+–) 15...a6 (15...f6 16.Qg4 g5+–) 16.Qh5 g6 17.Qh4 f6 18.Ng6! hg6 19.Qh8 Qa1 20.Ke2 ab5 (20...Qf1 21.Rf1 Nc6 22.Bc6 Kf7 23.Qh7 Kf8 24.Ra8 bc6 25.Rd8) 21.Qd8 Kf7 22.Qf8 1–0. Pierre – Ermani, internet, 2020.

7.e3 Ne4 8.Be2 Ba5 9.c3 Nd7 10.0-0 Ndf6 11.Qb3 Bd7 12.a4 0-0 13.Na3 Bc6 14.Ne5? Nd2–+ 15.Nc6 (15.Qc2 Nf1 16.Rf1 Rc8–+) 0–1. Mueller,Ernst – Maeschli,Walter, 04 sen. Ascona (SUI) op, 2005.

8.c4 Bd7 9.Bd3 dc4 10.Bc4 Bc6 11.0-0 Nbd7 12.Nbd2 Bc7 13.Rc1 Rc8 14.Re1 Nb6 15.Bb3 Qd6 16.Ne5 Nfd7 17.f4 Ne5 18.fe5 Qe7 19.Rf1 Qg5 20.e4 Qe3 21.Kh1 Rfd8 (worse is 21...Be4 22.Re1 Bg2 23.Kg2+/–) 22.Bc3 (22.Rf3 Qg5=) 22...Be8 (22...Rd4!? 23.Bd4 Qd4=) 23.Rf3+= Qg5 24.Qf1 Ba4 (better is 24...Qg6!?+=) 25.Rf7+/– Re8?? (better is 25...Bb3 26.Bb4 Bc4 27.Nc4 Qh5+–) 26.Bb4+– Bc6 (26...Bb3 27.Rcc7 h6 28.Nb3 Rc7 29.Rc7+–) 27.Be6! (27.Be6 h5 28.Rf5 Re6 29.Rg5+–) 1–0. Rosner,Dirk – Zimmermann, Tigerschachclub, 2000.

8.Nbd2 Ba5 9.Bd3 Nc6 10.0-0 Bd7 11.c4 dc4 12.Nc4 Bc7 13.a4 Nb4 14.Ba3 a5 (14...a5 15.Bb4 ab4+=). Woschkat,Karl_Heinz (+) – Pieleck,Rudi, remoteschach.de, 2003.

8.Nbd2 Ba5 9.Bd3 Nbd7 10.0-0 a6 11.a4 Qc7 12.c4 Nb6 13.Rc1 Qe7 14.Qb3 Bd7 The isolani on a4 becomes a target (better is 14...Rd8 15.c5 Nbd7+/–) 15.Ba3+– White plans c5 15...Qd8 16.Bf8 Qf8 17.c5 Na4 18.Ra1 Bd2 19.Nd2 (19.Ra4?! Ba4 20.Qa4 b5 21.cb6 Bb4+/–) 19...Bc6 (19...Qe8 20.Rfb1+–) 20.Ra4 Ba4 21.Qa4 Qe8 22.Qb4 Qc8 23.Rb1 Ra7 24.Nb3 Nd7 25.Na5 1–0. Fritz 11 – tonyjordan, internet, 2013.

8.Nbd2 Nc6 9.Be2 Re8 10.0-0 Bc7 11.Ne5 Ne4 (11...Be5 12.de5 Nd7 13.Bb5=) 12.f3 (12.Ne4 de4 13.Bb5 Be5 14.de5 Qh4+=) 12...Nd2 13.Qd2 Ne5 14.de5 a6 15.f4 b5 16.Rf3 g6 (16...Ba5 17.Qd3=) 17.Rh3 Bb7 18.g4 (18.a4 Ba5 19.Bc3 Bc3 20.Qc3 Qc8=) 18...Bb6 19.Bd4 Rc8 (19...Qc7 20.c3=) 20.c3 g5 (20...Bc6 21.Qe1 Bd4 22.ed4=) 21.f5 (21.Qd3!? gf4 22.Qh7 Kf8 23.Rf3 Bd4 24.cd4+-) 21...Bd4 (21...ef5 22.Qd3 Bd4 23.cd4+/-) 22.ed4+= (22.Qd4?! ef5 23.Rf1 Rc6=) 22...ef5 23.gf5 f6 24.e6 (24.Rg3 Kh8 25.Bh5 Rf8+/-) 24...Qc7 (24...Bc6 25.Bh5 Re7 26.Bf7 Kh8 27.Qd1+/-) 25.Rf1 (25.Bh5 Re7 26.Bf7 Rf7 27.ef7 Qf7 28.Re3+/-) 25...a5? (better 25...Re7!?+=) 26.Bb5+- Re7 27.Bd7 (27.Qd3 Bc6+-) 27...Rd8 28.Qd3 Bc6 29.Bc6 Qc6 30.Rh6 Kg7 (better 30...Rf8+-) 31.Qh3 Rh8 (31...Kg8 32.Rf6 Rc8+-) 32.Rf6!! h5 (32...Kf6 33.Qh6 Mate attack) 33.Rg6 White plans f6 33...Kf8 34.Rg5 (34.Qg3 Qc7 35.Qg5+-) 34...Rg7 (34...a4 35.Rh5 Rg8 36.Kh1 Qb5+-) 35.Rg7 Kg7 36.f6 Kh6 37.Qe3 (37.Qg2 Qd7 38.ed7 Rh7 39.d8Q h4 40.f7 Rf7 41.Qh4) 37...Kh7+- 38.f7 Qc7 39.Qg5 (39.Rf6 Qf4 40.Qf4 Rg8 41.fg8B Kg8 42.Rg6 Kh7 43.Qh6) 39...Rf8 (39...Rb8 40.e7 Qh2 41.Kh2 Rb2 42.Kh3 Rh2 43.Kh2 h4 44.Qf5 Kg7 45.f8Q) 40.Qh5 (40.Rf6 Qh2 41.Kh2 Rf7 42.Rh6) 40...Kg7 41.Qg5 Kh7 42.Rf3 (42.Rf3 Qf7 43.Rh3 Qh5 44.Rh5) 1-0. carlson (2105) - geochess (2085), Rated Bullet game, lichess.org, 2013.

8.Bd3 Ba5 9.Bc3 =.

8.Bd3 Ba5 9.Nbd2 a6 10.0-0 b5 11.a4 ba4+= 0.34.

8.Bd3 Ba5 9.Nbd2 b5 10.0-0 a6 11.a4 ba4+= 0.34.

8.Bd3 Ba5 9.Nbd2 Nc6 10.0-0 h6 11.c4 dc4 (11...Bd7 12.Nb3+=) 12.Nc4+– Bc7 13.Rc1 Re8 14.Nfe5 Ne5 15.de5 Nd7 (15...Nd5!?+–) 16.Nd6 Bd6 17.ed6 Nb6 (17...Qb6 18.Rb1 Qc6 19.a4+–) 18.Bb1 (18.Rc7 Nd5 19.Qg4 Qg5+–) 18...e5 (18...Nd5 19.e4 Nb6 20.Rc7+–) 19.Rc7 Nd7 (19...Rb8+–) 20.f4 ef4 (20...e4 21.Ba2 Rf8 22.Qh5+–) 21.Rf4 Nf8 (21...Re3 22.Ba2 Nf6 23.Bf7 Kh8 24.Rf6 Qf6 25.Bf6 Bf5 26.Qd2 Rae8 27.Be8 Re7 28.de7 Kh7 29.Bg6 Bg6 30.e8Q Be8 31.Rg7 Kh8 32.Qh6) 22.Rff7 (22.Rff7 Qc7 23.Rc7 Bd7 24.Qg4 g6 25.Rd7 Rac8 26.Ba2 Rc4 27.Bc4 Re6 28.Qd4 Nd7 29.Qg7) 1–0. glovio (2270) – purplegadge (1740), gameknot.com, 2014.

8.Bd3 Ba5 9.Nbd2 Bc7 10.0-0 Bd7 11.c4 Bc6+= 0.37.

8.Bd3 Ba5 9.Nbd2 Bd7 10.0-0 Ba4 11.Qe2 Nbd7 12.c4 Rc8 13.e4 de4 14.Ne4 Bc6 15.Nf6 Nf6 (15...Qf6? 16.d5 Qh6 17.dc6 Rc6 18.Be4+–) 16.Ne5 Qe7 17.Nc6 bc6 18.Rad1 Rfd8 19.Bb1 Rb8 20.Rd3 Rb7 21.Ba1 Bb6 (21...Rdb8 22.Bc2=) 22.Rfd1 Rbd7 (22...Rdb8 23.Bc2+=) 23.Qc2 White prepares the advance c5 (23.Qf3 Rc8+=) 23...h6 24.Qd2 e5 25.c5 (25.de5 Rd3 26.Bd3 Ng4-/+) 25...e4 26.Rg3 (better is 26.Re1!? Bc7 27.f3=) 26...Bc7-/+ 27.Rh3 Qc5! 28.Rc1 (28.dc5 Rd5 Double attack (28...Rd2 Pinning; 28...Rd2 Deflection; 28...Rd5 Decoy)) 28...Qb5 29.Ba2 Bb6 30.Rg3 (30.Rb3 Qe5! 31.Rb6 (worse is 31.de5 Rd2 32.Rbb1 Ng4–+) 31...ab6 32.Rc6–+) 30...Bd4 31.Bd4 Rd4 32.Qe1 Qb2 33.Bb3 Rd3 (33...Qa3?? 34.Bf7 Kf7 35.Ra3+–) 34.Rb1 Qd4 (34...Qa3 35.Bc2 Rg3 36.hg3–+) 35.Qa5? (35.Rd3 ed3 (35...Qd3?! 36.Rd1 Qb3 37.Rd8 Kh7 38.Qc1=) 36.Qe7 Qd7 37.Bf7 Kh7 38.Qd7 Nd7–+) 35...Rg3 (better is 35...Rb8!? 36.Rd3 Qd3 37.Bf7 Kf7 38.Qa7 Nd7 39.Re1–+) 36.hg3 e3 37.fe3 Qe3 38.Kh1 Rf8 39.Qc7 (39.Kh2 Ng4 40.Kh3 Nf2 41.Kh2 Qd3–+) 39...Ne4 (39...Qd3 40.Ba2 Qc2 41.Ra1–+) 40.Kh2 (40.Bc4 Qc5 41.Rb8 A) 41...Qc4?! 42.Rf8 Kh7 43.Qf4= (worse is 43.Qa7 Ng3 44.Kh2 Qh4 45.Kg1 f5–+; worse is 43.Rf7 Ng3 44.Kh2 Qh4 45.Kg1 Qd4 46.Kh2 Ne2+=; 43.Qf7 Ng3 44.Kg1 Qd4 45.Qf2 Ne2 46.Kf1 Qd1 47.Qe1 Qe1 48.Ke1 Nd4+/–); B) 41...Nf2 42.Kh2 B1) 42...Qc4? 43.Rf8 Kh7 44.Rf7+– (44.Qa7 Ng4 45.Kh3 Ne5+=); B2) 42...Ng4 43.Kh1 Rb8 (43...Qc4 44.Rf8 Kh7 45.Qf7 Qc1 46.Qf1 Qf1 47.Rf1=) 44.Qb8 Kh7–+) 40...Nd2 41.Bf7 Rf7 42.Rb8 Rf8 43.Rf8 Kf8 44.Qd8 Kf7 45.Qd7 Kg6 46.Qg4 0–1. Pasiev,Rakhim – Vasilov,Artur, 8th PriFR Championship Men Open, 2010. (=1.a3 Nf6 2.b4 e6 3.Bb2 c5 4.bc5 Bc5 5.d4 Bb6 6.Nf3 d5 7.e3 0-0)

8.Bd3 Ba5 9.Nbd2 Ne4 10.c4 dc4 11.Be4 f5= 0.25.

8.Bd3 Bc7 9.0-0 a6 (9...Bd7 10.Nbd2 Nc6 11.c4 Rc8= 0.25; 9...Nc6 10.Nbd2 a6 11.Ne5 Bd7= 0.12; 9...Nbd7 10.Nbd2 a6 11.a4 b6= 0.22; 9...Qd6 10.Nbd2 Nbd7 11.c4 dc4+= 0.50; 9...b6 10.Nbd2 Nc6 11.c4 dc4= 0.09; 9...Ne4 10.c4 Nc6 11.Qc2 f5+= 0.44) 10.Nbd2 Nc6 11.Ne5 Bd7= 0.00.

8.Bd3 Qd6 9.0-0 Nc6 10.Nbd2 Bc7 11.c4 Rd8+= 0.34.

8.Bd3 Bd7 9.Nbd2 Ba4 (9...Nc6 10.0-0 Qc7 11.c4 Ba5+= 0.47; 9...Bc7 10.0-0 Nc6 11.c4 Rc8= 0.25) 10.0-0 Nc6 11.Qe2 Bc7= 0.19.

8.Bd3 Nbd7 9.Nbd2 Re8 10.0-0 Bc7 11.c4 b6 12.cd5 Nd5 13.Qc2 N5f6?? (better is 13...N7f6+=) 14.Rac1 Bh2 (14...Bb8 15.Qc6 Nd5 16.Qa8+–) 15.Kh2 Ng4 16.Kg1 Ndf6 17.e4 g6 18.Qc7 White prepares the advance e5 18...Qe7 19.Qg3 Bd7 (19...Nh6 20.Qf4 Nfg4 21.Rc7+–) 20.e5 Ne5 (20...Rac8 21.Ba6 Rc1 22.Rc1+– (22.ef6?! Rf1 23.Nf1 Nf6=)) 21.de5 Nh5 22.Qg4 Rac8 23.Ne4 f5 (23...Red8+–) 24.ef6 (24.ef6 e5 25.Qh5 gh5 26.fe7 Re7 27.Be5 Rc1 28.Rc1+–) 1–0. Fournier,Frederic (2395) – Ginger63, chessworld.net (T130865), 2009.

8.Bd3 Nbd7 9.Nbd2 Re8 10.0-0 e5 11.Ne5 Ne5 12.de5 Ng4 13.Nf3 Be6 14.h3 Nh6 15.a4 Rc8 16.a5 Bc7? (better is 16...Ba5 17.Nd4 a6+=) 17.Bb5+– Bd7 18.Qd5 Bb5 19.Qb5 b6 (better is 19...a6 20.Qb4 Qd5+–) 20.Rfd1 Qe7 21.Ba3 Qe6 22.Bd6 Bd6 23.ed6 Rcd8 24.ab6 ab6 25.d7 (25.Qb6?! Nf5+–) 25...Re7 (25...Rf8+–) 26.Ra8! Ra8 (26...Ra8 27.d8Q Double attack) 27.d8Q Rd8 (27...Re8 28.Qdb6 Qe7+–) 28.Rd8 Re8 29.Re8 1–0. b4_player – manne, casual, 2013.

8.Be2 Nc6 9.0-0 Bd7 10.c4 dc4 11.Bc4 Na5 12.Bd3 Rc8 13.Nbd2 Qe8 14.Ne5 Ba4 15.Qf3 Nd5 16.Ndc4 Nc4 17.Nc4 (17.Bc4? f6 18.Bd5 fe5–+) 17...Bc7 18.Qh3 f5 19.Qh4 Rf6 20.f4 (20.Ne5!?=) 20...b5 21.Nd2 (better is 21.Ne5!? Ne3 22.Rfe1-/+) 21...Ne3–+ 22.Rf3 Rh6 23.Qe1 Ng4 24.h3 Nf6 25.Qe3 Nd5 26.Qf2 b4 (26...Qd7!?–+) 27.ab4-/+ Nb4 28.Be2 Rg6 29.Rg3 (better is 29.Rfa3!? Bc6 30.Bh5 Bf4 31.Nf3+=) 29...Rg3–+ 30.Qg3 Nd5 31.Rf1 Bb8 32.Bc4 Qd7 33.Nb3?? Rc4–+ 0–1. Berwanger,Florian – Zimpfer,Andreas (1655), Karl Mala mem op, 2006.

8.Be2 Nc6 9.0-0 Bd7 10.Nbd2 Qb8 11.c4 dc4 (11...Qd8 12.Rc1+=) 12.Bc4 Bc7 13.Bc3 (13.Rc1 h6+=) 13...Re8 (13...Nd5 14.Ne4+=) 14.Qc2 e5 (14...Nd5 15.Rfc1+=) 15.de5 (15.Qa2 Rf8+–) 15...Ne5 (15...Be5 16.Ne5 Ne5 17.Rfd1+=) 16.Ne5 (16.Ng5!? h6 17.Be5 Be5 18.Bf7 Kh8 19.Be8 Qe8 20.Ngf3+–) 16...Be5+= 17.Be5 Qe5 18.Qb3 Be6 19.Be6 Qe6 20.Qb7 Reb8 21.Qf3 Rd8 22.Rfd1 Rac8 23.Nf1 Qe5 24.Rd8 Rd8 25.Rd1 Rd1 26.Qd1 h6 27.Qb3 Ng4? (27...Qc5 28.Qb2+–) 28.a4 (28.Qa4 Qf5 29.f3 Ne5+–) 28...Qf6? (better 28...Nf6+–) 29.f3+– Ne5 30.e4 (30.Qb8 Kh7 31.Qa7 Qg6+–) 30...Qb6 (better 30...Qd8!?+–) 31.Qb6+– ab6 32.Ne3 Kf8 33.Nd5 (33.Kf1 f6+–) 33...Nc4+– 34.Kf2 Ke8 35.Ke2 Kd7 36.Nc3 Kc6 37.Kd3 (37.f4 Kc5 38.e5 g5 39.fg5 hg5 40.Ne4 Kd5 41.Ng5 Ne5+–) 37...Kc5+= 38.h4 g6 (38...Ne5 39.Kc2+–) 39.g4 (39.Nd1 Ne5 40.Kc3 Nc4+–) 39...Ne5+= 40.Ke3 (40.Ke2 Kb4 41.Nd5 Ka5+=) 40...Kb4 (40...Nc4!? 41.Ke2 Kb4 42.Nd5 Ka4=) 41.Nd5+– Ka5 42.h5 Nc4 (42...gh5 43.gh5 Nd7 44.f4 Ka4 45.e5+=) 43.Kf4 (43.Kd4 gh5 44.gh5 Nd6+–) 43...Ka4+– 44.e5 (better 44.hg6 fg6 45.e5+–) 44...b5?? (44...gh5 45.gh5 b5 46.Nc3 Ka5 47.Nb5 Kb5 48.Kf5=) 45.Ke4?? (better 45.hg6 fg6 46.e6+–) 45...Nd2 46.Ke3 Nf3?? (better 46...Nc4 47.Kd4 gh5 48.gh5 Nd2=) 47.Kf3 (better 47.hg6 Ne5 48.g7 Nc4 49.Kd4 Kb3+–) 47...b4 (47...gh5 48.gh5 Kb3+–) 48.hg6 fg6 49.Nb4! Kb4 50.e6 (50.e6+–) 1–0. pawnzilla60 – cantonabest, gameknot.com, 2018.

9.0-0 Bc7 10.c4 =.

9.0-0 Bc7 10.Nbd2 a6 11.Ne5 Bd7= 0.12.

9.0-0 Bd7 10.c4 dc4 11.Bc4 Rc8 12.Bb3 Ne7 13.Nbd2 Ned5 14.Rc1 Bb5 15.Re1 Ba5 16.Rc8 Qc8 17.Ne5 Nc3 18.Bc3 Qc3=+ 19.Ndf3 Ne4 20.Qc2?? Qc2-/+ 21.Bc2 Be1 22.Ne1 Nd6 23.a4 Rc8?? 24.ab5= Nb5 (The passed pawn on a7 will quickly become a dangerous weapon) 25.Ba4 Rc1 26.Kf1= Nc3 27.N5d3?? Ra1 28.Bb3 a5–+ 29.f3 a4 30.Bc4 b5 31.Bb5 Nb5 32.Ke2 a3 33.Kd2 a2 34.Nc2 Rg1 35.Nde1 Na3! 36.Na1 Rh1 37.h3 Nb1 38.Kd1 Kf8 39.Nac2 Ke7 40.Kc1 Na3! 41.Kb2 Nc2 42.Nc2 Rg1 43.Ka2 Rg2 44.Kb3 Rg3 45.Ne1 Rh3 46.Kc2 h5 47.Kd3 g5 48.Ke2 f5 49.Kf2 g4 50.Kg2 h4 51.fg4 Re3 52.gf5 Re1 53.fe6 0–1. alaamattar (2100) – tbrannon (2135), net–chess.com, 2007.

9.0-0 Bd7 10.Nbd2 Bc7 =.

9.0-0 Bd7 10.Nbd2 Rc8 11.c4 dc4 12.Nc4 Bc7 13.Nce5 Ne5 14.Ne5 Nd5 15.Nd7 Qd7 16.Qh5 Nf6 17.Qh3 g6 (17...Qd5 18.Rab1+=) 18.Qh6 (18.Rac1 Nd5+=) 18...Rfd8 (18...Ng4 19.Qh4 Bh2 20.Kh1=) 19.Rfd1 Bd6 (19...Ng4 20.Qh4 Bh2 21.Kh1=+) 20.d5 Bf8 21.de6 Qe6 22.Qf4 Bg7 23.h3?? (better 23.Qf3+=) 23...Nd5-+ 24.Bc4 Nf4 25.Be6 Ne6 (25...Bb2?! 26.Bc8 Rc8 27.ef4 Ba1 28.Ra1=+) 26.Bg7 Rd1 27.Rd1 Kg7 (worse 27...Ng7 28.Rd7 Rb8 29.g4-+) 28.Rd7 Rc7 29.Rd2 Rc3 30.Rb2 (30.Ra2 b5-+) 30...b6 (30...Ra3 31.Rb7 a5 32.g4-+) 31.a4 (31.Ra2 Kf6-+) 31...Ra3 32.Rb4 (32.Kf1 Ra4 33.Ke2 Ra5-+) 32…Nc5 0-1. kianas (2055) - QuinielaBox (2085), ChessWorld.net, 2011.

9.0-0 Bd7 10.Nbd2 Ng4 11.h3 Nh6 12.c4 Ne7 13.Rb1 Bc6 14.Ne5 Bc7 15.Nc6 bc6 16.c5 Nef5 17.g4 Qh4+= 18.Qf3 Ne7 19.Qg2 Ng6 20.f4 f5 21.g5 Nf7 22.Nf3 Qh5 23.Be2 Bf4= 24.ef4 Nf4 25.Qh2 Ne2 26.Qe2 Ng5 27.h4 Ne4 28.Kh2 g5 29.Rg1 Kh8?? 30.Bc1?? g4-/+ 31.Bf4 gf3 32.Be5 Nf6 33.Qf2 h6 34.Rb7 Rf7 35.Re7?? Rg8-/+ 36.Bf6 Rf6 37.Rg8 Kg8 38.Qg3 Qg4 39.Ra7 h5 40.a4?? f4–+ 41.Qf2 Qg3! (41...Qg3 42.Qg3 fg3 43.Kh3 f2 44.Kg2 f1Q 45.Kg3 Rf3 46.Kh2 Rh3#) 0–1. Uedemann,Louis – Wolbrecht,George H, Chicago Western Congress, 1906.

9.Nbd2 Ba5 10.0-0 Bd2 11.Qd2 a6 12.Rac1 b5 13.c3 (13.Qe2 Rb8+=) 13...Bb7 14.Qc2 Rc8 15.Ne5 (15.Qe2 Qd7=) 15...Qd6 (15...Ne5 16.de5 Ng4 17.Bh7 Kh8 18.Bd3-/+) 16.f4 g6 (16...Na5 17.a4 Nc4 18.Qe2=) 17.Nc6 Bc6 18.Qb3 Ng4 19.Rfe1 h5 20.h3 Nh6 21.Qc2 f5 22.Qd1 Kg7 23.Be2 Nf7 24.g4 (better is 24.Ra1!?+=) 24...fg4 25.hg4 h4 26.Kg2 Ng5 27.Kh2 (27.Rh1!?+=) 27...Ne4-/+ 28.Bf3 g5 29.Be4 de4 30.Rf1? (better is 30.c4 Kh7 31.c5-/+) 30...gf4–+ 31.Rf4?? (31.c4 f3 32.Kh1–+) 31...Rf4 32.ef4 Qf4 33.Kg1 Qg3 34.Kf1 Rf8 35.Ke2 Qg4 36.Kd2 Rf2 (36...Rf2 37.Ke3 Qf4) 0–1. Fournier,Frederic (1965) – miltoneti, Active, 2011.

9.Nbd2 Bd7 10.0-0 a6 11.c4 dc4 12.Nc4 Bc7 13.Nce5 Ne5 14.de5 Nd5 15.Qc2 h6 16.Be4 Bc6 17.Rfd1 Rc8 18.Rac1 Qe7 19.Qb1 Rfd8 20.Bd4 (20.Rd2 Bb6=) 20...f5 (20...Qa3 21.Rd2+=) 21.Bd5 (better is 21.ef6!? gf6 22.Bc5+=) 21...Bd5 22.Bc5 Qf7 23.Nd2 (23.Bd6 Bf3 24.gf3 Ba5+=) 23...f4 (23...Be5 24.Bb6 Re8 25.Bd4–+) 24.ef4 (better is 24.e4!? Bc6 25.Bb6=) 24...Qf4-/+ 25.Be3 Qe5 26.Nc4?? (better is 26.Rc7 Rc7 27.Bb6-/+) 26...Qh2 27.Kf1 Qg2 (27...Bg2 28.Ke2 Qh5 29.Ke1 Qh1 30.Ke2 Bf3) 28.Ke2 (28.Ke1 Be4 29.Nd2 Bb1 30.Rb1–+) 28...Bf3 29.Ke1 Qg1 0–1. Fournier,Frederic (1610) – celll2(C), Active (5/0), 2005.

8.c4 0-0 9.Be2 Bc7 10.Nbd2 Re8 11.0-0 Nd7 12.cd5 ed5 13.Qb3 Nf6 14.Rac1 Qd6 15.a4 Ne4 16.Rfd1 Bg4 17.Bd3?? (17.Qb7 Nd2 18.Rd2 Bd7+/–) 17...Qh6?? (better is 17...Nd2 18.Rd2 Bf3 19.gf3 Qh2 20.Kf1 Bd6-/+) 18.Qb7 (better is 18.Be4 de4 19.Qb7+=) 18...Rac8?? (better is 18...Nf2 19.Kf2 Qe3 20.Kf1 Qd3 21.Kg1 Ba5=) 19.Rc6+– (19.Qc6?! Bh2 20.Nh2 Rc6 21.Ng4 Qe6 22.Ne4 Qg4+/–) 19...Qc6 20.Qc6 Bh2 21.Nh2 (21.Kh2?! Rc6 22.Kg1 Rb6+/–) 21...Rc6 22.Ng4 Nd2 23.Rd2 1–0. Lizak,Jakub – Klimanek,Fabian, VII Marek Piasta Mem Tarnowskie Gory Poland, 2009.

8.c4 dc4 9.Bc4 Bd7 10.0-0 0-0 11.Nbd2 Rc8 12.Rc1 Qe7 13.h3 Na5 14.Bd3 Rc1 15.Qc1 Rc8 16.Qb1 Ba4 17.Rc1 Rc1 18.Qc1 g6 (18...Bc6 19.Ne5+=) 19.Ne5 Kg7 20.Ndc4 Nd5 (better is 20...Nb3!? 21.Qd1 Nc5+/–) 21.Nb6+– Nb6? (better is 21...ab6 22.e4 Nb3+–) 22.d5 Kg8?? (22...Nd5 23.Ng6 Double attack (23.Ng6 Deflection); 22...ed5 23.Ng6 Double attack (23.Ng6 Deflection)) 23.de6 (better is 23.Qc3!? f6 24.Ng4 Nd5 25.Qa5 Bd1 26.Qa7 Kg7+–) 23...Qe6 24.Ng4 (24.Qc3 Qb3 25.Ng6 Qc3 26.Ne7 Kf8 27.Bc3 Nac4+–) 24...Nbc4 25.Nf6 Kg7 26.Bc4 Nc4 27.Bd4 a6? (27...b5 28.e4 Kf8 29.Qf4+–) 28.Qc3 (better is 28.Nd7! Kg8 29.Nc5+–) 28...Bc6 29.Nh5 Kf8 (29...Kg8 30.Nf4 Qe7 31.Qc4 Qa3+–) 30.Bc5 Nd6 31.Nf6 (better is 31.Nf4 Qf5 32.Qd4+–) 31...h5+/– 32.Qd4 Ke7 33.Ng8 Kd7 34.Nf6 Ke7 35.Ng8 ½–½. odlanir (1780) – bowserreborn (1635), gameknot.com, 2012.

8.Bd3 Bc7 9.Nbd2 0-0 (9...a6 10.0-0 0-0 11.Ne5 Qe8= 0.00) 10.0-0 a6 11.Ne5 Qe8= 0.00.

8.Bd3 Qd6 9.0-0 Bc7 (9...0-0 10.Nbd2 Bc7 11.c4 Rd8+= 0.34; 9...Bd7 10.Ne5 Bc7 11.Nd2 0-0+= 0.34; 9...Rb8 10.Nbd2 0-0 11.c4 Bc7+= 0.37) 10.Nc3 a6 11.a4 Qb4= 0.00.

8.Bd3 Bd7 9.0-0 0-0 (9...Rc8 10.Nbd2 Bc7 11.c4 0-0= 0.25; 9...Bc7 10.Nbd2 Rc8 11.c4 0-0= 0.25) 10.Nbd2 Rc8 11.c4 Bc7= 0.25.

8.Bd3 Bd7 9.Nbd2 Rc8 10.0-0 0-0 11.c4 dc4 12.Nc4 Bc7 13.Qe2 (13.a4 Nb4 14.Ba3 a5+=) 13...Bb8 (13...Nd5 14.Rac1+=) 14.e4 Re8 (14...Na5 15.Nce5+=) 15.Qd2+– a6 16.Rfc1 b5 17.Nce5 Na5 18.Nd7 Qd7?? (better 18...Rc1 19.Rc1 Nd7+–) 19.Qa5+– Bf4 (19...Qb7 20.Re1+–) 20.Rc8 Rc8 (20...Qc8 21.a4+–) 21.g3 Bh6 (21...Bc7 22.Qa6 Rb8 23.Rc1+–) 22.Qa6 1–0. Janek – tscjs, internet, 2018.

8.Bd3 Qe7 9.0-0 Bc7 (9...0-0 10.Nbd2 Bd7 11.c4 Rfc8+= 0.28; 9...Bd7 10.Nbd2 0-0 11.c4 Rfc8+= 0.28; 9...Rb8 10.Nbd2 0-0 11.c4 Bc7+= 0.34; 9...Ba5 10.Nbd2 0-0 11.c4 Rd8+= 0.37) 10.Nc3 0-0 11.e4 de4= 0.00.

8.Bd3 h6 9.0-0 Bd7 10.Nbd2 Rc8 11.c4 dc4 (11...0-0 12.Rc1+=) 12.Nc4+– Bc7 13.Qb3 Rb8 (13...0-0 14.a4+–) 14.a4 0-0 15.Ba3 Re8 16.Rac1 Na5 17.Na5 Ba5 18.Bd6 Rc8 19.Rc8 Bc8 20.Qa3 b6 (better 20...Bc7!? 21.Bc7 Qc7+–) 21.Rc1 Nd5 22.e4 Nf6 (22...Nc3 23.Bg3+–) 23.Bc7 Qe7 24.Qe7 Re7 25.Bd8 Ba6 (25...Re8 26.Rc8 b5 27.Ba5 Rc8 28.ab5 Rc1 29.Ne1 Ra1+–) 26.Ba6 Rd7 (26...Re8 27.Bf6 gf6 28.Rc7+–) 27.Rc8 Ne4 (27...Kh7 28.Bb5 Rd8 29.Rd8 Ne4 30.Rd7+–) 28.Bb6 Kh7 29.Ba5 Rd6 (29...g6 30.Rc7 Nf6 31.Rd7 Nd7 32.Ne5+–) 30.Bb5 a6 (30...Ng5 31.Ng5 hg5 32.Bc3+–) 31.Bc6 Nf6 32.Bb4 Rc6 1–0. Pindear – Ketty, internet, 2019.

9.0-0 a6 10.Nbd2 Bc7 11.Ne5 Bd7= 0.00.

9.0-0 Bc7 10.Nbd2 a6 11.Ne5 Bd7= 0.12.

9.0-0 Bd7 10.Nbd2 Rc8 11.c4 Bc7= 0.25.

9.0-0 Ne4 10.Nbd2 f5 11.Ne5 (11.c4 Rf6+=) 11...Qg5 (better 11...Ne5!? 12.de5 Bd7=+) 12.Ndf3+= Qh6 13.c4 Bc7 (13...dc4 14.Bc4 Bc7 15.Rc1+=) 14.cd5 ed5 15.Qb3 Qe6 16.Rac1 Be5 (16...Ne5 17.de5 (17.Rc7? Nf3 18.gf3 Nd2-+; 17.Ne5?! Be5 18.de5 Nd2=) 17...Bb6 18.Rfd1+/-) 17.de5 (worse 17.Ne5 Nd2 18.Qa4 Nf1 19.Bf1 Bd7=+) 17...b6? (better 17...f4+/-) 18.Be4+- fe4 (18...Na5 19.Qd5 fe4 20.Qe4+- (20.Qa8 ef3 21.Qe4 Qe7+-)) 19.Ng5 Qd7 20.e6 Qd6 (20...Qe7 21.Rc6 Qg5 22.Rc7 Be6 23.h4+-) 21.Qc3 Qe7 (21...Ne5+-) 22.Qc6 Ba6 (22...Qg5 23.Qa8 Be6 24.Qa7+-) 23.Qd5 Bf1 (23...h6 24.Rc7! Qg5 (worse 24...Qc7 25.e7 Kh8 26.Qe6 Qh2 27.Kh2 Rae8 28.Qh6 Kg8 29.Qg7) 25.Qg5 hg5 26.Rg7 Kh8+-) 24.Rc7!! Qc7 (24...Qc7 25.e7 Mate attack) 25.e7 Kh8 26.Nf7 Rf7 27.Qa8 (27.Qa8 Qb8 28.Qb8 Rf8 29.ef8Q) 1-0. Jan_Ek (2125) - Ameti (2005), internet, 2020.

9.0-0 Re8 10.Nbd2 Bc7 11.c4 b6 12.cd5 ed5 13.Qc2 Bb7 14.Rfc1 Rc8 15.Bb5 Bd6 16.Qa4 a6? (better is 16...Re6!?+=) 17.Bc6+– (worse is 17.Rc6 ab5 18.Rc8 ba4 (worse is 18...Bc8 19.Qb5 Bf5 20.Ne5+/–) 19.Rd8 Rd8+=) 17...Rc6 18.Rc6 b5? (better is 18...Qd7 19.Rac1 Re6+–) 19.Qc2 Bc6 20.Qc6 Qc8 (20...Re6 21.Qb7 Qd7 22.Qd7 Nd7+–) 21.Qd6 Rd8 22.Qc5 Qc5 (22...Qe6 23.Rc1+–) 23.dc5 Rc8 24.Bd4 Ne4 25.Ne4 de4 26.Ne5 f6 27.Nd7 Rc7 28.Nb8 Kf7 29.Na6 Rc6 30.Nb4 Rc7 31.c6 Ke6 32.Bb6 Rc8 33.Rd1 Kf7 34.c7 Kg8 35.Rd8 Rd8 36.cd8Q Kf7 37.Bc5 g6 38.Qe7 Kg8 39.Qe8 (39.Qe8 Kg7 40.Qf8 mate; 39.Qf8 mate) 1–0. Zak,Pawel (1740) – Choremska,Zuzanna, Szachowe Lato Poznan Poland, 2011.

9.Nbd2 a6 10.Ne5 Re8 11.Qf3 Ne5 12.de5 Nd7 13.Nb3 a5 14.a4 Qe7 15.h4 Nc5 16.Nc5 Qc5 17.Bd4 Qc6?? 18.0-0 Rf8 19.Qh5 g6 20.Qh6 Bd4 21.ed4 Qc3 22.Rfd1 Kh8?? 23.h5 Rg8+– 24.hg6 fg6+/– 25.Rab1 Qd4? 26.Bg6+– Rg6 27.Qf8 Rg8 28.Qf6 (28...Rg7 29.Rd4+–; 28.Rd4? Rf8 29.c4 dc4 30.Rc4 Rd8–+) 1–0. blackpanther (2390) – dennism (2235), net–chess.com, 2004.

9.Nbd2 Bd7 10.c3 Qe7 11.Qc2 Rac8 12.0-0 Qd6 13.Rfc1 h6 14.Qd1 Rc7? 15.c4 Qe7 16.c5 Ba5 17.Nb3 Rfc8 18.Ne5+/– Qd8 19.Rab1 Be8 20.Nc6+– Rc6 21.Na5 Qa5 22.Bc3 Qc7 23.Bb5 Qe7 24.Bc6 bc6 25.Qe2 Ne4 26.Qa6 Qd7 27.f3 Nf6 28.Rb7 Rc7 29.Rcb1 Qe7 30.Rc7 Qc7 31.Rb7 Qd8 32.Ba5 Qc8 33.Qa7 Nd7 34.Rc7 Qd8 35.Qb7 Nf6 36.Qc8 Qc8 37.Rc8 Kh7 38.Bc7 Kg6 39.Be5 Bd7 40.Rd8 Nh7 41.Rd7 f6 42.Bd6 Ng5 43.Rc7 Kf5 44.h4 e5 45.g4 Kg6 46.hg5 ed4 47.ed4 f5 48.a4 fg4 49.Rc6 Kg5 50.a5 gf3 51.a6 Kf5 52.a7 g5 53.Ra6 h5 54.a8Q Ke4 55.c6 g4 56.c7 g3 57.Qe8 Kd4 58.Qe5 Kd3 59.Ra3 Kc2 60.c8Q Kd2 61.Bb4 Kd1 62.Rd3# 1–0. NN – COMP, 1991.

7.c4 dc4=+ 8.Qa4 Bd7 9.Qc4 Qb6 10.Qc2 0-0 11.e3 Rc8 12.Nc3 Bc6 13.Be2 Nbd7 14.0-0 Be4 15.Qd2 a6 16.Ng5 Bg6 17.e4?? (17.Rfc1 Qd8=) 17...Be7 (better 17...Bf4! 18.Qf4 Qb2-+) 18.f3 Nh5 19.Nh3 e5 (better 19...Bf6 20.Na4 Qd6=) 20.Nd5+- Qd6 21.Ne7 (better 21.de5!? Ne5 22.f4+-) 21...Qe7+/- 22.d5 (22.Rfd1 Nhf6+/-) 22...Qd6+= 23.g4 (23.Rac1 b5+=) 23...Nf4 (better 23...Nhf6!?=) 24.Nf4+/- ef4 25.h4 (25.Bc1 Ne5+/-) 25...h5+= 26.Bc1 (26.g5 b5+=) 26...hg4 (26...Qb6 27.Kg2 hg4 28.Qf4=+) 27.Qf4+= Qf4 28.Bf4 gf3 29.Bf3 f6 (better 29...Re8!?+=) 30.h5+- Bf7 (30...Be8 31.Rac1+/-) 31.Bg4 Nc5 (31...Be8 32.Rfb1 b5 33.a4+/-) 32.Bc8 Rc8 33.Rac1 Bh5 34.Bd6 b6 35.Bc5 (35.e5 fe5 36.Rf5 Bg4 37.Re5 Kh7+-) 35...bc5 36.Rc3 c4 (36...Bg6 37.Rfc1 Be4 38.Rc5 Rc5 39.Rc5+-) 37.Kf2 (37.Rfc1!? Re8 38.Rc4 Bg6+-) 37...Be8 38.Ke3 Bb5 39.Kd4 (39.Rb1 Kf7+-) 39...Re8 (39...Ra8 40.Rb1+-) 40.Ra1 a5 41.Rb1 Ba6 42.Rb6 Ra8 43.d6 Kf7 (43...Ra7 44.Rb8 Kf7 45.Kc5+-) 44.Kd5 (better 44.d7 Ke7 45.Rg3 g5+-) 44...g5?? (44...Ra7 45.Rb8 Bb7 46.Kc4 Be4 47.Kb5+-) 45.Rh3 (45.d7!? Rd8 46.Ra6 Rd7 47.Kc4 Rc7 48.Kd4 Rd7 49.Ke3 Rd1+-) 45...Kg6 (45...g4 46.Rh7 Kg6+-) 46.d7 g4 47.Rc3 (better 47.Rg3 Rd8 48.Ke6+-) 47...Kg5 (47...Rd8 48.Ra6 Rd7 49.Rd6+-) 48.Ke6 (better 48.Ra6 Rd8 49.Ke6+-) 48...Bc8 49.Rc4 Bd7 50.Kd7 Rg8 51.Rb5 Kf4 (51...Kh6+-) 52.e5 Kf3 (52...Ke3 53.Rb3 Kd2 54.ef6+-) 53.ef6 (53.Rb3 Kg2 54.Rc2 Kf1 55.Rb1) 53...g3 54.f7 Rg7 55.Ke8 (55.Ke8 Rf7 56.Kf7+-) 1-0. kianas (2075) - paoloone (2245), ChessWorld.net, 2012.

7.Nbd2 Qa5 8.c3 (8.e3 b6=) 8...Bd7 9.e3 Ba4 10.Qb1 Nc6 11.c4 0-0 12.cd5 ed5 (12...Qd5? 13.e4 Ne4 14.Ne4+–) 13.Bd3 Rfe8 14.0-0 Bb5 15.Bb5 Qb5 16.a4 Qb6 17.Ba3 Nb4 18.Ne5 Rac8 (18...Be5? 19.de5 (19.Bb4?! Bc7=; 19.Qb4?! Qb4 20.Bb4 Bc7=) 19...Re5 20.Qb4 Qb4 21.Bb4+–) 19.Qf5 Qa6 20.Ndf3 Nc2 21.Rac1 Ba3 22.Rc2 Rc2 23.Qc2 Bd6 24.g3 Ne4 25.Qb3 (25.Rc1 Ba3 26.Rb1 Bd6+=) 25...Be5+= 26.de5 Qe2 27.Qd1 Qc4 28.Qa1 h5 29.Nd4 Qc7 30.Nb5 Qb8 (30...Qe5 31.Qe5 Re5 32.Na7=) 31.Qd4 a6 32.Nc3 (32.Nd6 Nd6 33.ed6 Qd6=) 32...Nc3 33.Qc3 Re5 34.Rb1 h4 35.Kg2 (worse is 35.gh4 Re4 36.Rb4 b5-/+) 35...Re4 36.a5 Rc4 37.Qd3 Rc5 38.Rb4 h3 (38...hg3 39.hg3 Ra5 40.Qc3-/+) 39.Kh3+= Qc8 40.Kg2 Ra5 41.Rh4 Qc6 42.Qh7 Kf8 43.Qh8 Ke7 44.Rd4 (44.Qg7 d4 45.e4 Qf6 46.Qf6 Kf6 47.Rh6 Ke7+=) 44...Ra4+= 45.Qh4 f6 46.Ra4 d4 47.f3 Qc2 48.Kf1 Qa4 49.Qe4 Kd6 50.Qf4 Kc6 51.Qe4 Kb6 52.ed4 Qd1 53.Kg2 Qd2 54.Kg1 a5 55.Qe6 Kc7 (55...Ka7 56.d5+=) 56.d5 a4 ½–½. Fernandez,Hector – Rocha,Wellington Carlos (2325), Sao Paulo State–ch1, 1998. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 c5 5.bc5 Bc5 6.d4 Bd6)

7.Nbd2 Qb6 8.Qc1 =.

7.Nbd2 Nbd7 8.c4 b6 9.e3 0-0 10.Be2 Bb7 11.0-0 Ne4 12.Bd3 f5 13.cd5 (13.Rc1 Qf6=) 13...Bd5 (13...Nd2 14.Qd2 Bd5 15.Qe2=) 14.Qe2 (14.Rc1 Nd2 15.Nd2 Qg5=) 14...Rc8 (14...Nd2 15.Nd2 (15.Qd2? Bf3 16.gf3 Bh2 17.Kh1 Qg5–+) 15...Rc8 16.f3=) 15.Rac1 (15.Nc4 Bc7=) 15...Qf6 16.Bb5 Qh6 17.h3 (17.Bd7 Nd2 18.Qd2 Bf3–+) 17...Nd2 18.Nd2 (18.Qd2?? Bf3 19.Be2 Rc1 20.Rc1 Bd5–+) 18...Nf6 19.Bd3 (19.Nc4 Qg6 20.f3 Bc4 21.Bc4 Nd5=) 19...Qg6+= 20.Rc8?? (better is 20.Nf3+=) 20…Qg2 (20...Rc8?! 21.Nf3+=) 0–1. Leclerc,Sophie – Sternik,Ryszard (1765), FICGS, 2008.

7.Nbd2 Nbd7 8.e3 0-0 9.Bb5 a6 10.Bd7 Bd7=+ 11.0-0 Rc8 12.a4 b5 13.a5 Re8 14.Ba3 b4–+ 15.Bb2 Bb5 16.Re1 Qc7 17.e4 de4 18.Ne4 Ne4 19.Re4 Qc2 20.Qc2 Rc2 21.Bc1 Rec8 22.Re1 b3 23.Be3 Bb4 24.Rec1 b2 25.Rcb1 ba1Q 26.Ra1 Bc3 27.Rb1 Be2 28.Ne5 Bd4! 29.Nf3 Be3 30.fe3 Bf3 31.gf3 Rc1 32.Rc1 Rc1 33.Kf2 Ra1 34.Ke2 Ra5 35.Kd2 Rc5 (36.Kd3 a5–+) 0–1. Kaczmarek,Michal – O'Connell,Patrick, IECC, 1998.

7.e3 a6 8.c4 dc4 9.Bc4 b5 10.Bd3 Bb7 11.Nbd2 Nc6 12.e4 Bc7 (12...Nh5 13.e5 Nf4 14.Be4=) 13.0-0 0-0 14.Re1 White prepares the advance e5 14...h6 (14...Bf4 15.Nb3=) 15.Rc1 Ne7 (15...Rc8 16.Nb3=) 16.e5 (16.a4 ba4 17.Qa4 Ng6+=) 16...Nfd5 17.Ne4 Ng6 (17...Nf4 18.Nc5 Nd3 19.Nb7 Nb2 20.Nd8 Nd1 21.Rc7=+) 18.Nc5+= Rb8? (better 18...Qc8+=) 19.Bg6+- fg6 20.Ne6 Qd7 21.Nf8 Rf8 22.e6 (22.Qb3!? Re8+-) 22...Qd6 23.Bc3?? (23.Qe2 Qe7+-) 23...Nc3?? (better 23...Rf3 24.Re5 Rf5-+) 24.Rc3+/- Bf3 (better 24...Ba5!? 25.e7 Re8+/-) 25.Rf3+- (25.gf3?! Qh2 26.Kf1 Qh3 27.Ke2 Qe6 28.Re3 Qa2 29.Kf1 Bb6=) 25...Qh2 26.Kf1 Re8 (better 26...Qh1 27.Ke2 Qg2+-) 27.Rh3 Qd6 28.Qb3 (28.Qc2 Kh7 29.Rg3 Qe7 30.Qg6 Kh8+-) 28...Kh7 (better 28...Qd4!? 29.e7 Qc4 30.Rd3 g5+-) 29.d5 Ba5 30.Ree3 Qc5 31.g3 Qc1 (31...Bb6 32.Re2+-) 32.Kg2 Be1?? (32...Qc5 33.Re2+-) 33.d6 (better 33.Rh1+-) 33...Qc6 (33...Bf2 34.Kf2 Rf8 35.Rf3 Qd2 36.Kf1 Qc1 37.Ke2+-) 34.Kf1 (34.f3 Ba5 35.Qd3 Bd8+-) 34...Bf2 (34...Ba5 35.Qd3+-) 35.Kf2 Qd6 36.Rh1 (better 36.Ke1+-) 36...Qd2+= 37.Re2 (better 37.Kf3 Rf8 38.Kg4=) 37...Qd4?? (better 37...Rf8 38.Qf3 Qd4 39.Kg2 Rf3 40.Kf3 Qf6 41.Kg2 Qe7=) 38.Kg2+- Qc5 39.Rhe1 Qc6 (39...Re7 40.Rf2+-) 40.Kh2 (40.Qf3 Qd6+-) 40...Qd6 (40...Re7 41.Rf2 Qd6 42.Kh3+-) 41.Qe3 (41.e7 Qf6+-) 41...a5 (41...Re7 42.Rf2 Qc7 43.Qe5+-) 42.Qe5 Qc6 43.Qe4 (43.Rf1 b4+-) 43...Qd6 (43...Qc5+-) 44.Qe5 Qc6 45.Re4 (45.Rf1 b4+-) 45...Qc2 (45...Qb6 46.Rf1 Qc6 47.e7+-) 46.Kh3 Qc6 47.e7 Qd7 48.g4 Qd3 49.R1e3 (better 49.R4e3 Qd7 50.Rf1+-) 49...Qf1= 50.Kg3 Qg1 51.Kf3 Qh1?? (better 51...Qf1 52.Kg3 Qg1 53.Kf3 Qf1 54.Kg3=) 52.Ke2 (better 52.Kf2!? Qb1+-) 52...Qg2 53.Kd3 Qf1 54.Re2 Qd1 55.Ke3 Qb3 (55...Qg1 56.Kd2 Qb1 57.Qc3+-) 56.Kf2 Qd1 (56...Qg8 57.Qb5 g5 58.Ke1+-) 57.R4e3 (better 57.Qb5 Ra8+-) 57...Qa4 (57...Qh1+-) 58.Re4 Qb3?? (58...Qd1 59.Qb5 Ra8+-) 59.R2e3 (59.Rf4 b4 60.Qb5 Re7 61.Re7 Qb2 62.Re2 Qc1+-) 59...Qc2 60.Kf3 1-0. Dino_Jarach (1775) - zeko2019 (1760), lichess.org, 2020.

7.e3 a6 8.c4 Nc6 9.Nbd2 b6 10.cd5 Nd5 (10...ed5 11.Rc1 Na5 12.Bd3=) 11.e4+= Nc7 12.Bd3 Bf4 13.0-0 0-0 14.g3 Bh6 15.Nc4 b5 16.Ne3 Bb7 17.Ng4 Bg5 18.Ng5 Qg5 19.Rc1 Rac8 (19...f5!? 20.ef5 ef5+=) 20.d5+/- ed5 (20...Nb8 21.d6 Ne8 22.Rc8 Bc8 23.e5+/-) 21.h4 Qd8 22.ed5 Qd5?? (better 22...Nd5 23.Nh6! Kh8+-) 23.Nf6!+- gf6 24.Qg4 Kh8 (24...Qg5 25.hg5 Ne5 26.Be5 fe5+-) 25.Bf6 1-0. Adlai – Jussup, internet, 2021.

7.e3 a6 8.Bd3 Nc6 9.c4 dc4 10.Bc4 b5 11.Bd3 Qc7 12.Nbd2 Bb7 13.Rc1 Qe7 14.0-0 Rc8 (14...Ba3 15.Rc6 Bb2 16.Qc2=) 15.Qe2 (15.a4 Nb4 16.Rc8 Bc8=) 15...0-0 16.Ne4 Nd5 (16...Ne4 17.Be4 f5 18.Bc6 Bc6 19.Ne5+=) 17.Rc2 (17.Nd6 Qd6 18.Rc5 f5+=) 17...Rc7 (17...Ba3 18.Ra1 Bb2 19.Rb2+=) 18.Rfc1 (18.Nd6 Qd6 19.Ng5 f5+=) 18...Rfc8 (better is 18...Ba3!? 19.Ba3 Qa3+=) 19.Nd6+= Qd6 20.e4 Nf4 21.Qf1 Nd3 22.Qd3 Na5 23.Rc7 Rc7 24.Rc7 Qc7 25.Qc3 (25.Nd2 Nc4 26.Nc4 bc4=) 25...Nc4 (25...Qc3 26.Bc3 Nc4 27.Bb4-/+) 26.e5 (26.Nd2!?=) 26...Qc6 27.Qb4 h6 28.h3 (28.Bc3 a5 29.Qb3 Qd5+=) 28...g5 (28...Qe4 29.Bc3-/+) 29.Qc3 a5 30.Kf1 (30.Ne1 Qe4 31.Bc1 Bd5+=) 30...a4 (30...b4 31.ab4 Qb5 32.Kg1-/+) 31.Qb4 (31.Kg1!?+=) 31...Qe4 32.Qc3 (32.Ne1 Ba6 33.Bc3+=) 32...Qb1–+ 33.Ke2 (33.Ne1 Qb2 34.Qb2 Nb2 35.f3–+) 33...Qb2 34.Qb2 Nb2 35.Kd2 Bf3 36.gf3 Nc4 37.Kd3 Na3 38.Kc3 Nb1 39.Kb4 (39.Kc2 Kg7 40.f4 gf4–+) 39...a3 40.Kb3 b4! 41.Ka2 (41.Kb4 a2 Passed pawn) 41...Nc3 42.Kb3 Nd1 (better is 42...a2!? 43.Kb2–+) 43.Ka2 Nf2 (43...Nf2 44.Kb3 Nh3–+) 0–1. Fournier,Frederic (1605) – nik5941 (1620), chessOK.com, 2013.

7.e3 b6 8.Nbd2 Ba6 9.Ba6 Na6 10.c4 0-0 11.0-0 Qd7 12.Qe2 Qa4 13.Qd3 Rac8 14.cd5 Rc2 15.Rab1 ed5 16.Rfc1 Rfc8 17.Rc2 Rc2 18.Ne1 Rc8 19.Nef3 Nb8 20.Ne5 Nbd7 21.Qf5 (21.f3 h6+=) 21...Qc2 (21...Rc2 22.Nd7 Nd7 23.Qd3-/+ (23.Qd5?? Rd2 24.g3 Rf2 25.Qd6 Qc2–+)) 22.Qc2+= Rc2 23.Nd7 (23.Nb3 Kf8+=) 23...Nd7-/+ (23...Rd2?! 24.Bc3 Rc2 25.Nf6 gf6 26.Bb4=) 24.Nf3 Nf6 25.Ne1 Rc4 (25...Re2 26.Nd3-/+) 26.Rc1 Ne4 (26...Kf8 27.g3+=) 27.f3+= Rc1 (27...Nd2 28.Rd1 Nb3 29.e4=) 28.Bc1= Nc3 29.Bb2 Nd1 30.Bc1 Nc3 31.Bb2 Nd1 32.Bc1 b5 33.Nc2 ½–½. Stanimirovic,Ivana (1760) – Miljkovic,Jovana (1935), Nis SER, 2nd Pantelej Open, 2014.

7.e3 Qb6 8.Ra2 0-0 9.c4 dc4 (9...Nc6 10.Bd3+=) 10.Nbd2 (10.Bc4 Nc6=) 10...Qa5 11.Bc4 b5 12.Bd3 Bb7 13.0-0 Rc8 14.e4 Be7 (14...Nbd7 15.Qe2 Nh5 16.Bb5–+) 15.Qb1 h6 (15...Nc6 16.e5 Nd5 17.Bh7 Kh8 18.Be4+/–) 16.Rc1 ½–½. Schalkwijk,Peter (1655) – Vidalina,Franjo (2015), SI–2003–0-00003, 2003.

7.e3 Qb6 8.Qc1 Qc7 9.Nc3 (9.c4 Nc6=) 9...a6=+ 10.Bd3 0-0 (10...b5 11.0-0=+) 11.0-0 Bd7 12.g3 (12.e4 de4 13.Ne4 Ne4 14.Be4 Bc6 15.Bc6 Bf4=) 12...Rc8-/+ 13.e4 de4 14.Ne4 Ne4 15.Be4 Bc6 16.d5 Bd5 (16...ed5 17.Qg5 f6 18.Bd5 Kh8 19.Qf5=+) 17.Bd5 ed5 18.Qg5 Bf8 19.Qd5 Rd8 (19...Qc2 20.Rac1 (20.Qb7?! Nc6 21.Rfc1 Qf5=) 20...Rd8 21.Qd8 (21.Rc2?! Rd5 22.Rc8 f6=) 21...Qb2 22.Rc8 Qa3 23.Qc7+–) 20.Qf5 Qc8 21.Qe4 Qc6 22.Rae1 Qe4 23.Re4 Nc6 24.Kg2 (24.Rfe1 Rac8=) 24...Rac8=+ 25.Re2 Na5 26.a4 Rc4 27.Ra1 f6 28.h3 Bb4 29.g4 Kf7 30.Rb1 (30.g5 Nc6=+) 30...Bc5 31.Ra1 Rd7 32.Ra2 Rd1 33.Ne1 Nc6 34.Nd3 Be7 35.Ba3 (35.Ba1 Nb4 36.Nb4 Bb4=+) 35...Rb1 (35...Ra4 36.Nb2 Ra3 37.Ra3=+) 36.Rb2 Rb2 37.Nb2 Rc3 38.Be7 Ne7 39.Rd2 Ke6 (39...Ng6 40.Rd7 Kf8 41.Nd3 Rc2 42.Kf3=+) 40.Re2 Kd7 41.Nd1 Ra3 42.Nb2 Nd5 43.Re4 Rc3 44.Rc4 Rc4 45.Nc4 Kc6 46.Kf3 (46.Nd2 Kc5-/+) 46...Kc5-/+ 47.Nb2 Nb6 (47...Kd4 48.Nd3-/+) 48.Nd3 (48.Ke2 Kb4 49.Nd3 Kc4-/+) 48...Kd4-/+ 49.Nf4 0–1. Guestcello – Qboeb89, internet, 2019.

7.e3 Qb6 8.Qc1 Bd7 9.c4 dc4 10.Bc4 Nc6 11.Nbd2 Na5 12.Rb1 Rc8 13.Bc3 Qc7 14.Ba5 Qa5 Exerts pressure on the isolated pawn 15.Rb7 Ba3 (better is 15...Nd5!?+=) 16.Qc2= 0-0 17.0-0 Bc6 18.Rbb1 Bf3 (18...Bd6 19.Ra1 Qc7 20.Rfc1=) 19.Nf3+= (19.gf3 Qh5 20.Qa4 Bd6-/+) 19...Qc7 20.Qa4 Qc4 21.Qa3 Ra8 (21...Qd5!?+/–) 22.Ne5 Qd5 23.Qa6 Rfd8 24.Rb7 (better is 24.Rfc1+–) 24...Rd6+= 25.Qb5 Qb5 26.Rb5 Rb6 27.Ra5 ½–½. Derbin,Alexey – Guliashvili,Liana, 2012.

7.e3 Qb6 8.Qc1 Bd7 9.c4!? Qc7 10.cd5 Qc1 11.Bc1 ed5 12.Nc3 =.

7.e3 Qb6 8.Qc1 Bd7 9.Nbd2 Bb5 10.Rb1 (10.c4!? dc4 11.a4=) 10...Bf1=+ 11.Rf1 Qc7 12.a4 0-0 13.Ba3 Ba3 14.Qa3 b6 (14...Rc8 15.Rc1=+) 15.c4 dc4 (15...Rc8 16.Rc1=+) 16.Rc1= Na6 17.Nc4 Qd7 18.Nfe5 Qd8 (18...Qd5 19.f3=) 19.Nc6 Qd7 (19...Qc7 20.N4e5 Rfe8 21.f3+=) 20.N4e5+– Qe8 21.f4 (21.Qe7 Nd5 22.Qe8 Rfe8+–) 21...Nd5 (21...Kh8 22.Qe7 Qe7 23.Ne7+=) 22.e4+– White prepares f5 22...Nf6 23.f5 Ne4? (23...ef5 24.Rf5 Kh8+– (24...Ne4? 25.Ne7 Kh8 26.Rf7 Qf7 27.Nf7 Rf7 28.Rc8 Rc8 29.Nc8+–)) 24.fe6+– Qe6 25.Ne7 Kh8 26.Rc6 Qc6? (26...Nd6 27.Qd6 Qb3+–) 27.N5c6 Rae8 (27...Ng5 28.Na7! Nc7 29.Nac6+–) 28.Qd3 (better 28.Ne5 g6 29.Nd7 Nec5 30.Nf8 Re7 31.Kd1 Kg8 32.dc5 Nc5+–) 28...Nd6 (28...Nb4 29.Qe4 Nc6 30.Rf7 Ne7 31.Rf8 Rf8 32.Qe7 Rg8+–) 29.Qa6 h6 (29...Nc8 30.Qb7+–) 30.Qa7 Kh7 (30...Nc4 31.Ke2 Ra8 32.Rf7 Ra7 33.Rf8 (worse 33.Na7 Rf7 34.Nac8 Kh7=+) 33...Kh7 34.Na7+–) 31.Qd7 Nc8 32.Rf7! Ne7 (32...Rf7 33.Qe8 Double attack (33.Qe8 Deflection; 33.Qe8 Decoy; 33.Qe8 Overloading)) 33.Rf8 (better 33.Ne7!? Rf7 34.Qe8 Re7 35.Qe7 h5+–) 33...Rf8 34.Ne7 Rf4 35.Qe6 Rf6 (35...Rf8 36.Qe4 g6 37.Qg6 Kh8 38.Qh6) 36.Qg8 1–0. Janek – Chrust, internet, 2019.

7.e3 Qb6 8.Qc1 Bd7 9.Bd3 Bb5+= 10.0-0 Bd3 11.cd3 Nc6 12.Nbd2 0-0 13.Rb1 Rac8 14.Qd1 Na5 (14...Qa6 15.e4 Nd7 16.Bc1+=) 15.Qa4 Qa6 16.Nb3 Nd7 1–0. Fournier,Frederic (2215) – Jauneau,David, Train France (FRA), 2001.

7.e3 Nc6 =.

7.e3 Bd7 8.c4 dc4 9.Bc4 0-0 10.0-0 Bc6 11.Nbd2 Nbd7 12.h3 (12.Ne5 Rc8=) 12...Qc7 (12...Nb6 13.Bd3=+) 13.Qe2 Nb6 14.Ba2 (14.Bd3 Na4 15.Nc4 Bf3 16.gf3 a6=) 14...Rac8 (14...Na4 15.Nc4=+) 15.Rac1 (15.Ne5 Qe7=) 15...Qe7=+ 16.Qd3 (16.Bb3 a6=+) 16...a6 (16...Na4!? 17.Ba1 Ba3-/+) 17.Ne5=+ Be5 (17...Bb5!? 18.Nec4 Rfd8=+) 18.de5= Nfd5 19.e4 (19.Bb1!? Qh4 20.Ne4+=) 19...Nf4 (19...Bb5 20.Qg3 Bf1 21.ed5 Rc1 22.d6 Be2 23.Bc1=+) 20.Qf3=+ Ng6 (20...Qg5 21.Nc4 Nc4 22.Rc4-/+) 21.Nc4 (better 21.Bd4!? Rfd8 22.Qe3=) 21...Nc4=+ 22.Bc4 Qc7 (22...Qg5!?-/+) 23.Qe3= Rfe8 (worse 23...Ne5 24.Qd4+/-) 24.f4 Rcd8 (24...b5 25.Bd3+=) 25.g3 (25.Bd4 Qd7 26.Bb6 Qd2+=) 25...b5+= 26.Bb3 Qb7 27.Rfe1 Ne7 28.Bc3 g6 (28...Rc8!?=) 29.Bb4+/- Nc8 30.Bc2 Nb6 31.f5 (better 31.Bd3!?+/-) 31...ef5 32.ef5 Nd5 (better 32...Nc4 33.Qh6 Ne5=+ (worse 33...Re5 34.f6 Qb6 35.Kf1 Re1 36.Re1 Bg2 37.Kg2 Qf6 38.Rf1 Qc6 39.Kh2+/-)) 33.Qh6+/- Qb6 (33...Nb4?? 34.f6 (34.ab4?! Qb6 35.Kf1 Kh8+=) 34...Qb6 35.Re3 Qe3 36.Qe3+-) 34.Kf1 Qd4 35.fg6?? (better 35.Re4 Qb2 36.Rh4 Qc1 37.Qc1 Re5 38.Qh6+-) 35...fg6= 36.Bg6 (better 36.Re4 Qa7 37.Bb3+=) 36...Rf8-+ 37.Bf8 Rf8 38.Qf8 Kf8 39.Rc6 hg6 40.Ra6 b4 (40...Ne3!? 41.Ke2 Nc4 42.Rf6 Kg7 43.Rf3-+) 41.Ra8 Kg7 42.ab4 Qc4 (42...Ne3 43.Ke2 Nc2 44.Rb1 Qe4 45.Kd2 Nb4 46.Rb4 Qb4 47.Kd3 Qb5 48.Kd4-+) 43.Kf2 Nb4 44.Ra7 Kh6 45.Rea1 Nd3 46.Kg2?? (better 46.Ke3-+) 46...Qe4 47.Kf1 (47.Kh2 Qe2 48.Kg1 Qf2 49.Kh1-+) 47...Qf3 48.Kg1 Qg3 (48...Qg3 49.Kf1 Qf2) 0-1. kianas (2155) - TheShrink (2125), ChessWorld.net, 2012.

7.e3 Nbd7 8.c4 0-0 9.Be2 b6 10.cd5 ed5 11.Nc3 a6 12.a4 Bb7 13.0-0 Qe7 14.Qb3 The isolani on d5 becomes a target 14...Rac8 15.Bd3 Rc7 16.Rfc1 Rfc8 17.Ne2 Rc1 18.Rc1 Rc1 19.Bc1 Qd8 20.Ba3 Qc7 21.Bd6 Qd6 22.Qc2 h6 23.h3 Qb8 24.Ng3 Qc8 25.Qd1 g6 26.Qb1 Kg7 27.Nh4 Ne4 28.Ne2 Qc6 29.f3 (29.Qb4 a5 30.Qe7 Nf8+/–) 29...Nd2 30.Qb4 Nc4 31.Bg6 (31.Qe7 Qe6 (31...Qa4 32.Bg6 Nde5 33.de5 Qa1 34.Kf2 Qg1 35.Ng1 Bc8 36.Qf7 Kh8 37.Qf8) 32.Ng6 Qe3 33.Qe3 Ne3=) 31...Ne3?? (31...fg6 32.Qe7 Kg8=) 32.Qe7 (32.Nf5!? Nf5 33.Bf5+=) 32...Qe6+= 33.Qe6 fe6 34.Nc3 Nc4 35.Kf2 Bc6 36.Bc2 b5 37.ab5 ab5 38.f4 Ndb6 39.Nf3 Na3 40.Bb3 Nbc4 41.Na2 Na5 42.Nb4 Bb7 43.Ba2 N3c4 44.Ne5 Ne5 45.fe5 Nc6 46.Nc6 Bc6 47.Ke3 b4 48.g4 Bb5 49.Bb1 (49.h4 Bf1=) 49...Bc4 (49...Bf1!? 50.h4 Bh3-/+) 50.Kf4 Bb3 0–1. Zhukov,Vladimir (1940) – Kuznezov,Albert (2050), Tula CC–ch, 2007.

7.e3 Ne4 8.c4 Qa5 9.Nbd2 Nd2 10.Qd2+= Qd2 11.Nd2 0-0 12.Bd3 dc4 13.Nc4+/– Bc7 14.0-0 Nd7 15.Rfc1+/– Nb6 16.a4 Nc4 17.Rc4+/– Bd8 18.Rac1 Bd7 19.Be4 Rb8 20.Ba3 Re8 21.Bd6+– b5 22.ab5 Rb5+= 23.Bc7 Bc7? 24.Rc7+– f5 25.Bc6?? Bc6= 26.R1c6 Re7 27.Rc8 Kf7= 28.h3 a5 29.Ra8+= Rb1 30.Kh2+/– Ra1 31.Rca6 e5 32.Ra5 (White gets the initiative) 32...Ra5 33.Ra5 ed4 34.ed4 Rd7? 35.Rf5+– Ke6 36.Rf4 g5 37.Re4 Kf5 38.f3 h5 39.g4 hg4 40.hg4 Kf6 41.Kg3 Rd5 42.f4 Ra5 43.fg5 Rg5 44.Kf4 Ra5 45.Re5 Ra1 46.g5 Kf7 47.d5 Rf1 48.Ke4 Re1 49.Kd4 Rd1 50.Kc5 Rc1 51.Kd6 Kg6 52.Ke6 Rf1 53.d6 (53...Rf8 54.d7+–) 1–0. AaronB – Kitvis, internet, 2005.

7.e3 h6 8.Nbd2 Bd7 9.c4 Bc6 10.Bd3 Nbd7 11.0-0 Qc7 12.Rc1 a6 (12...0-0 13.c5 Be7 14.Qe2+=) 13.cd5 ed5 14.e4 de4 15.Be4! Qb6 (15...Be4 16.Rc7 Pinning (16.Rc7 Deflection); 15...Ne4 16.Ne4 Combination) 16.Nc4 Qc7 17.Bc6 bc6 18.Re1 Be7 (18...Kf8 19.Nd6 Qd6 20.Ne5+–) 19.Nce5 0-0?? (better 19...Nd5 20.Nc6 Qd6+–) 20.Nc6 (20.Rc6?! Qb7 21.Qc2 Rac8+–) 20...Qd6 (20...Qb6 21.Ne7 (21.Re7?! Qb2 22.Nd2 Nb8+–) 21...Kh8 22.Bc3+–) 21.Ne7 (21.Ne7 Kh7 22.d5+–) 1–0. Pereira – Armidon, internet, 2020.

8.c4 Nc6 9.c5 Bb8 (9...Bc7 10.e3=) 10.e3 e5 11.de5 Ng4 12.Nd4 (12.Bd3 h6+= (worse is 12...Be5 13.Be5 Nge5 14.Ne5 Ne5 15.Bh7 Kh7 16.Qh5 Kg8 17.Qe5+/–)) 12...Nge5 13.Nc6 bc6 14.Nb3 Re8 15.Be2 Qc7 (15...Qg5 16.g3 Nc4 17.Bd4+=) 16.Qd4 f6 17.Bc3 Qf7 18.Nd2 (18.Qh4 Bc7+=) 18...Qg6+= 19.g3 Bf5 20.0-0-0 (20.0-0 Nd3 21.Qh4 Re6+= (21...Nc5? 22.Bh5 Qh6 23.Be8 Qh4 24.gh4 Bh2 25.Kh2 Re8 26.Bd4+–)) 20...Bc7 (better is 20...Bd3 21.Bf1 Bf1 22.Nf1 Bc7–+) 21.Nf3? (better is 21.h4-/+) 21...Nf3–+ 22.Bf3 Be5 23.Qb4 Reb8 24.Qa5 Rb5 25.Qb5 cb5 26.Bd5 Kf8 27.Ba8?? Bc3–+ 28.e4 Be4 29.Rd8 Ke7 30.Rhd1 Ba8 31.R1d7 Ke6 32.Rd6 Ke5 33.Ra8 b4 34.f4 Ke4 35.Ra7 Qf5 36.ab4 Bb4 37.Re7 Kf3 38.Rc7 Bc5 39.Rdc6 Ba3 40.Kd2 Bb4 41.Kc1 Qd3 42.Kb2 Ba5 43.Rc8 Qd2 44.Rc2 Qd4 45.Ka2 h5 46.R2c4 Qd5 47.Ka3 Bb6 48.Rc3 Kg4 0–1. Niculae,Cristian – Marinescu,Roberto, Bucharest op, 1995. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.d4 Bd6 7.Nbd2 0-0)

8.e3 b6 9.c4 Na6 10.Bd3 =.

8.e3 b6 9.c4 Bb7 10.Be2 Nbd7 11.0-0 Qe7 12.h3 (12.Bd3 Rac8=) 12...Rfc8=+ 13.Ne5 Ne4 (13...a6 14.Bd3=+) 14.cd5 (14.Ne4 de4 15.Nd7 Qd7=) 14...Bd5 (14...Nd2 15.Qd2 Bd5 16.Bd3=+) 15.Nd7 (15.Ne4 Be4 16.Ba6 Rc7=+) 15...Qd7=+ 16.Ne4 (16.Ba6 Rd8=+) 16...Be4 17.Bd3 Qb7 (17...Bd3 18.Qd3 Rc7 19.Rfd1=) 18.Be4 (18.f3 Bd3 19.Qd3 b5=+) 18...Qe4 19.Rc1 Rc1 20.Qc1 Qb7 ½–½. Hansen,Bjarne G – Houdek, corr 3GMM–17, 1995.

8.e3 b6 9.c4 Nc6 10.Be2 Bb7 11.0-0 Rc8 12.Rc1 Na5 13.Rc3 Qe7 14.Qc2 dc4=+ 15.Nc4 Nc4 16.Rc4 Ba3 17.Ba3 Qa3 18.Rc1 Rc4-/+ 19.Qc4? b5?? 20.Qc7=+ Nd5 21.Qc5 b4-/+ 22.Ne5 Nc3–+ 23.Re1?? Ne2 (24.Kf1 Ba6 25.Qa7 Bb5–+) 0–1. Fischer,Paul – Moeschinger,Markus (2180), Basel Hilton op 3rd, 2001.

8.e3 b6 9.Bd3 Nbd7 =.

8.e3 Qb6 9.Rb1 =+.

8.e3 Nc6 9.Bd3 =.

7.Nbd2 Nc6 8.c4 dc4 9.Nc4 0-0 10.e3 b5 11.Ncd2 Qa5 12.Qb3 a6 13.Bc3 Qb6 14.a4 b4 15.Nc4 Qd8 16.Bb2 a5 17.Bd3 Bb7 18.0-0 Nd5 19.Qc2 g6 20.Nfd2 Rc8 21.Nb3 Bf6 22.Nc5 Ba8 23.Rac1 Bg7 24.Qe2 Re8 25.Qf3 e5 26.e4 Nf4 27.d5 Nd3 28.Qd3 Nd4 29.Ne5 Be5 30.Bd4 Bd4 31.Qd4 Qd6 32.Rfd1 Qf4 33.f3 h5 34.d6 Rcd8 35.d7 Rf8 36.Nd3 Qb8 37.Ne5 b3 38.Nc6 Bc6 39.Rc6 Qb7 40.Rb6 Qc7 41.Rb3 Qc2 42.Rbd3 Qe2 43.Qe3 Qc2 44.Rc3 Qa4 45.Rdc1 Rd7 46.Ra3 Rd1 47.Kf2 Qd4 48.Qd4 Rd4 49.Ra5 Rd2 50.Kg3 Rfd8 51.Rb5 Rf8 52.Rb7 Rd3 53.Rcc7 Rd2 54.Re7 Rd1 55.Kh3 Rd2 56.g3 Rd3 57.f4 Rd2 58.Kh4 Rd3 59.Kg5 Rd2 60.Kh6 Rh2 61.f5 Rg2 62.fg6 1-0. ez_game (2310) - veverica (2230), Rated Blitz game, lichess.org. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 c5 5.bc5 Bc5 6.d4)

7.e3 a6 8.c4 dc4 9.Bc4 b5 10.Bd3 Bb7 11.Nc3 0-0 12.0-0 Nc6 Black intends b4 (12...Nbd7 13.Qe2=) 13.Rc1 Rc8 14.Bb1 (14.Qe2 Qa5=) 14...h6 (14...Na5 15.Ne5=+) 15.Ne4 (15.a4=) 15...b4 (15...Ne4 16.Be4 f5 17.Bd3=) 16.Nc5 (16.Qd3 Ne4 17.Qe4 g6+=) 16...Bc5 17.Rc5 Nd5 (17...Qd6 18.Qc2+=) 18.Qd3+– g6 (18...f5 19.Ba2+–) 19.ab4 (19.e4 Nf6+–) 19...Ncb4 (19...Ndb4!? 20.Qd2 a5+–) 20.Qd2+– Rc5? (better 20...a5 21.e4 Nf6 22.Qh6 Ng4+–) 21.dc5 Qc7 (21...Kh7 22.e4+–) 22.e4 (22.e4 Kh7 23.ed5 Nd5 24.Ne5+–) 1–0. Pierre – The_Winner, internet, 2020.

7.e3 b6 8.Nbd2 0-0 9.c4 (9.Bd3 Nc6=) 9...Ba6 (9...dc4 10.Bc4 Ba6 11.Ba6 Na6 12.0-0=) 10.Rc1 (10.Bd3 Bd6=) 10...Nbd7 11.Qa4 (11.Bd3 dc4 12.Nc4 Bb7=) 11...dc4?? (better is 11...Bc4 12.Bc4 dc4 13.Qc4 Rc8 14.Qc8 Qc8 15.Rc8 Rc8=) 12.Qa6+– (12.Qa6 b5 13.a4+– (13.Qb5?! Rb8 14.Qc6 Rb6+=)) 1–0. Diener,Rudolf – Wilk,K, corr 3GMM–23, 1995.

7.e3 Bd7 8.c4 0-0 9.Nc3 dc4 10.Bc4 Bc6 11.Qe2 Nbd7 12.Bd3 a6 13.a4 Qa5 14.0-0 Rfc8 15.Rfc1 Nb6 The pressure on the isolated pawn grows 16.Nd2 Nfd5 (16...Ba4? 17.Nc4 (17.Na4?! Rc1 18.Bc1 Na4=) 17...Rc4 18.Bc4+-; 16...Na4?! 17.Na4 Ba4 18.Nc4=) 17.Bc2 Bb4 (17...Nb4 18.Nb3 Qg5 19.Be4=) 18.Nd5 (18.Nb3!? Nc3 19.Bc3+=) 18...Bd5= (18...ed5?? 19.Nb3 Qa4 20.Ra4 Ba4 21.Ra1+-) 19.Nb3 Bb3 20.Bb3 Rc1 21.Bc1 Bc3 22.Ra2 Rc8 23.Ba3 Bb4 24.Bb2 Bc3 25.Ba3 Bb4 26.Bb2 Bc3 27.Ba3 ½-½. marekt (2360) - smartattack1 (2345), gameknot.com, 2021.

8.c4 d5 9.c5 b6 10.cb6 Qb6 11.Qc1 Ba6–+ 12.Nc3 (12.Ba6 Na6 13.0-0 Rfc8-/+) 12...Bf1 13.Kf1 Rc8 14.Rb1 (14.g3 Na6–+) 14...Nbd7 15.Ne5? (15.Qc2 Qa5–+) 15...Rab8 (better 15...Ne5 16.de5 Ne4–+) 16.Nd7 Nd7 (16...Qa6!? 17.Kg1 Nd7 18.g3–+) 17.g3 Nf6 (17...Qa5 18.Kg2-/+) 18.Qd2-/+ Rc6 (18...Qa5 19.Kg2 Rb2 20.Qb2 Rc3-/+ (20...Qc3?? 21.Rhc1 Qc1 22.Rc1+–)) 19.Kg2=+ Qc7 (19...Qa5 20.Rhc1=+) 20.Rhc1 (20.Ba1 Rcb6=+ (20...Ba3?! 21.Nb5 Rb5 22.Rb5+=)) 20...Rc8 (20...h6 21.f3=+) 21.Nb5 Qd7 22.Rc6 Rc6 23.Qd3 (23.Nc3 Ne8=+) 23...Ne4 (23...Rb6 24.Bc1=+) 24.f3 (24.a4 a6 25.Nc3 Nf6=) 24...Nd6 (24...a6 25.Nc3 Nd6 26.Ne2=+) 25.Nd6 Bd6 26.e4 (26.Rc1 f5=+) 26...Bc7 (26...Qc8 27.Rd1=+) 27.Bc3= Bb6 28.a4 de4 (28...Qc7 29.Bd2 Rc4 30.a5 Bd4 31.ed5 ed5 32.Rb5=) 29.fe4 Qc7 (29...f5 30.a5 Bd8 31.Rb8 fe4 32.Qb5=) 30.Rb3+= ½–½. Barcarola (1705) – bnbr0 (1640), internet free game, 2018.

8.c4 Bd7 9.Nc3 Qa5 10.Nd2 Bc6 11.Bd3 dc4+= 12.Nc4 Qg5 13.Bf1 Ne4 (13...Nbd7 14.h4 Qg6 15.Na5+=) 14.Ne4= Be4 15.Qd2 (15.Nd2 Bc6= (15...Bg2? 16.Rg1+–)) 15...Nc6 (15...Qd5 16.Rg1+=) 16.f3 b5 (16...Bg6 17.e4 Qh5 18.g4 Qh4 19.Qf2+=) 17.fe4= bc4 18.Bc4 Qh4 19.g3 (19.Qf2 Rab8 20.0-0 Qe4=) 19...Qe4+= 20.0-0 (20.Rf1 Ne5 21.Be2 Ng4 22.Bg4 Qg4+=) 20...Bg5 21.Rae1 (21.Kf2 Rab8 22.Bc3 Ne5+=) 21...Rab8 22.Bc3 Ne5 23.de5 Qc4 24.Bb4 (24.Qd4 Qc7+=) 24...Rfd8-/+ 25.Qf2 Rd7 26.Bd6 Rb3 (26...Rbd8 27.Qf3+=) 27.Rc1 (27.Qf3 Qc8+=) 27...Rc3 (27...Qa6 28.Rb1 Qd3 (28...Be3? 29.Qe3 Qf1 30.Kf1 Rb1 31.Ke2+–) 29.Rb3 Qb3+=) 28.Rb1 h5 29.Rb4? Qd3 30.Kh1 Qe3 31.Qg2 Rc1 32.h4 Rf1 33.Qf1 Be7 34.Rb8= Kh7 35.Qf7 Qe1 36.Kh2 Do you see the mate threat? 36...Qe2 37.Kh1 Qe1 38.Kh2 ½–½. Kolodkin,Yuly – Fuhro,Robert, Boylston CC Boston, 1999.

8.c4 Bd7 9.Nc3 Qa5 10.Nd2 Bc6 11.f3 Nbd7 (11...dc4 12.Nc4 Qg5 13.Qd2=) 12.Bd3 Qc7 13.Qe2 Nb6 14.0-0 dc4 15.Nc4 Nc4 16.Bc4 Rac8 17.Bd3 h6 18.Ne4 Nd5 19.Rfc1 Rfd8 20.Rc2 (20.Qd2 f5 21.Nc3 Bd6=) 20...Qd7 (20...f5 21.Nc3 Bd6 22.g3=) 21.Nc5 (21.Rac1 f5 22.Nc5 Qd6=) 21...Qe8 22.Rcc1 Bg5 23.f4 Be7 24.Nb3 a6 25.g3 Bb5 26.Bb5 (26.e4 Bd3 27.Qd3 Nf6=) 26...Qb5+= 27.Qb5 ab5 28.Kf2 Rc1 29.Rc1 Ra8 30.Ra1 Nb6 31.Nd2 Nc4 Increasing the pressure on the isolated pawn on a3 32.Nc4 bc4 33.Ke2 b5 34.Rb1 Ba3 35.Ba3 Ra3 36.Rb5 Ra2 37.Kf3 Rh2 38.Rc5 Rc2 39.Rc8 Kh7 40.Rc7 Kg6 41.Rc6 Kf6 42.d5 h5 43.d6 Rd2 44.e4 e5 45.Rc5 ef4 46.gf4 Ke6 47.e5 f6 48.Rc4 fe5 49.fe5 Ke5 50.Rc5 Kf6 51.Rh5 Rd6 52.Ra5 g5 53.Ra4 Kf5 54.Ra5 Kg6 55.Ra4 Kh5 56.Ra2 g4 57.Kg3 Rd3 58.Kg2 Kh4 59.Ra1 Rd2 60.Kg1 Kh3 61.Ra3 g3 62.Ra1 Rg2 63.Kh1 Rc2 64.Kg1 Rd2 65.Rb1 Ra2 66.Rc1 Rg2 67.Kh1 Rd2 68.Ra1 Re2 69.Rb1 Rc2 70.Ra1 Rb2 71.Rc1 Rf2 72.Ra1 Rh2 73.Kg1 Re2 74.Rb1 Re3 75.Ra1 Rd3 76.Rb1 Rc3 77.Ra1 g2 78.Rb1 Ra3 ½–½. Carradori,Diego – Palladino,Mario (2065), WMP1007 Marco Polo webserver primo round, 2009.

8.c4 Bd7 9.Nc3 Nc6 10.Bd3 =.

8.c4 Bd7 9.Nbd2 Bc6 =.

8.c4 Nbd7 9.cd5 ed5 10.Be2 a6 (10...Nb6 11.Nc3=) 11.0-0 b5 12.Nbd2 (12.a4 b4=) 12...Bb7 (12...Nb6 13.Ne5=) 13.Rc1 (13.Qb3 Nb6=) 13...Nb6 14.Qb3 Rb8 (14...Qd6 15.Rc2=) 15.Bc3 Nc4 Exerts pressure on the isolated pawn 16.Bb4 (worse is 16.Nc4 dc4 17.Qb2 Nd5-/+) 16...Ba8 (16...Ne4 17.Rc2=) 17.Nb1 (17.Rc2 Re8=) 17...a5 18.Be7 Qe7 19.a4 (19.Rc2 Rfc8=) 19...ba4 20.Qa4 Rb4 21.Qa1 (21.Qd1 Bc6+=) 21...Ne3+= 22.Rfe1 (22.fe3 Qe3 Theme: Double Attack) 22...Nf5 23.Bd3 +=. Elias Rivas,Fernando – Cornacchini,Gabriele, IECG, 1999.

8.Nbd2 a6 9.Bd3 b5 10.Ne5 Bb7 11.Qf3 Qc7 12.g4 Nc6 13.Nc6 Bc6 14.g5 Nd7 15.Qh3 g6 16.f4 a5 17.Qg4 Nb6 18.Bc1 b4 19.Ke2 Na4 20.h4 Nc3 (20...Bd7 21.Qg3 Bb5 22.Bb5 Nc3 23.Kf2 Nb5 24.h5 Qc2 25.hg6 Qg6 26.Ke1-/+) 21.Kf3 (21.Ke1!?+=) 21...Bb5 22.h5 Bd3 23.cd3 Nb5?? (better is 23...Qd7+=) 24.hg6+– fg6 25.Qe6 Kg7 26.Qd5 Na3 (26...Rab8!? 27.ab4 ab4+/–) 27.Ba3+– ba3 28.Nc4 (28.Ke2 Rab8+–) 28...a4 (28...Rad8 29.Qa5 Qc6 30.e4+–) 29.Ra2 (29.Ke4 Rae8 30.Qe5 Bf6 31.gf6 Kg8+–) 29...Rab8 (29...Rad8 30.Qe5 Qe5 31.Ne5 Bg5+–) 30.Rah2 Rh8 31.Ne5 Bb4? (31...Rbf8+–) 32.Nf7!! 1–0. Welling,Gerard (2325) – Neumanova,Monika (1715), Caleta ENG, Gibraltar Masters, 2014.

8.Nbd2 Qb6 9.Nb3 =.

8.Nbd2 Nc6 9.c4 dc4 10.Bc4 b6 11.0-0 Bb7 12.Qe2 Na5 13.Bd3 Qd5 14.e4 Qh5 15.Ba6 Ba6 16.Qa6 Qg4 17.h3 Qf4 18.Qd3 Rac8 19.Rac1 Qb8 20.d5 ed5 21.ed5 Rcd8 (21...Rc1 22.Rc1 (worse 22.Bc1 Rd8-/+) 22...Rd8 23.Be5+=) 22.Be5 (22.Bf6 Bf6 23.Ne4 Qf4+=) 22...Qa8 Increasing the pressure on the isolated pawn on d5 23.d6 Rfe8 (23...Nb7 24.Bf6 Bf6 25.Ne4 Nd6 26.Nf6 (worse 26.Nd6 Be7-/+) 26...gf6 27.Rfe1=) 24.Rc7 (24.Ng5!? Bd6 25.Bd6+=) 24...Bd6= 25.Bd6 Re6 26.Nc4 Qb8 27.Nfe5 (better 27.Qc2 Nc4 28.Qc4+=) 27...Qc7 28.Bc7 Rd3 29.Nd3 Nc4 30.a4 Re7 31.Bb8 Rb7 32.Rc1 Rb8 33.Rc4 h6 ½-½. Vojinov,Danijel (2080) - Lucovnik,Tilen (2075), Slovenia SLO, 2019.

8.Nbd2 Nc6 9.Bd3 =.

8.Bd3 b6 9.Nbd2 Nbd7 10.c4 dc4 11.Nc4 Bb7 12.0-0 b5 13.Nce5 a6 14.Qe2 Nb6 15.Rfc1 Qd6 16.Bc3 Nfd5 17.Bd2 f6 18.e4 fe5 19.de5 Qd7 20.ed5 Bd5 21.Be4 Be4 22.Qe4 Rac8 23.Bb4 Nd5 24.Be7 Qe7 25.Rc8 Rc8 26.Qg4 Rc4 27.Nd4 Attacking the isolated pawn on e6 27...Nc7 28.Rd1 h6 29.Qg6 Qd7 30.Qd3 Qd5 31.f4 Qc5 32.Kh1 Rc1 33.Nb3 (33.Ne2 Rd1 34.Qd1 Nd5-/+) 33...Rd1-/+ 34.Qd1 Qc3 35.Qd8 Kh7 36.Qd1 Nd5 37.Nd4 Nf4 38.Qc2 Qc2 39.Nc2 Kg6 40.Nd4 Kf7 41.Nc6 Nd3 42.Kg1 Ke8 43.Kf1 Kd7 44.Nb8 Kc7 45.Na6 Kb6 46.Nb4 Nb4 47.ab4 Kc6 48.Ke2 Kd5 49.Kd3 Ke5 50.Ke3 Kd5 51.Kd3 e5 52.h3 e4 53.Ke3 Ke5 54.h4 h5 (54...h5 55.Ke2 Kd4–+) 0–1. Lagergren,Henry (2070) – Geus,Jan (1950), corr WS/H/018 ICCF, 2005.

8.Bd3 Nc6 9.0-0 =.

8.Bd3 Nbd7 9.0-0 Nb6 10.Nbd2 Na4 11.Qc1 Qc7 12.c4= Nb2 13.Qb2+= b6 14.Rac1 dc4 15.Nc4 Bd7 16.e4 Qd8 17.Rc3 Rc8 18.Rfc1 Be8 19.Bb1 b5 20.Nce5 Rc3= 21.Rc3 h6 22.Qc2 Qa5 23.Qd3 g6 24.h4 Ne4 25.Rc8 Nd6 26.Re8 Re8-/+ 27.Ng6 Nf5?? 28.Ne7+/– Re7 29.g4 f6 30.gf5+– Rg7 31.Kf1 ef5 32.Ba2 Kh8 33.Qe3 Qd8 34.Qh6 Rh7 35.Qf4 Qc8 36.Bb1 Qc4 37.Kg2 Rg7 38.Kh2 Qc7 39.Ne5 fe5 40.Qh6 Kg8 41.Ba2 Kf8?? 42.Qh8 Ke7 43.Qg7 Kd6 44.de5 (44...Kc6 45.Qc7 Kc7 46.h5+–) 1–0. Mlacnik,Ivan Janez – Krajnc,L, SLO–ch blind, 1998.

8.Bd3 Ne4 9.0-0 f5 10.c4 Nc6 11.Nc3 b6 (11...Na5 12.cd5 ed5 13.Ne5=) 12.Rc1 Bb7 13.Ne5 (better 13.cd5!? Nc3 14.Rc3 Qd5 15.Qc2+=) 13...Ne5=+ 14.de5 Nc3 15.Bc3 (15.Rc3 Bc5=+) 15...Rc8 (15...Ba3!? 16.Ra1 Qg5-/+) 16.Bb4= a5 (16...Bc5 17.Qe2=) 17.Be7 Qe7 18.Qb3 Qc5 19.h4 Ba6?? (better 19...Rfd8=) 20.cd5+- Qc1 21.Rc1 (worse 21.Ba6 Qc3 22.Qb6 Rce8+=) 21...Rc1 22.Kh2 Bd3 23.Qd3 Rd8 24.d6 Rc5 (24...Rb8 25.e4 fe4 26.Qb3+-) 25.f4 (25.Qb3 Rd5 26.Qb6 Rd7+-) 25...Kf7? (25...Rb8 26.Qa6 Rcc8 27.Qa7+-) 26.Qb3 (26.e4 fe4 27.Qe4 Kg8+-) 26...Rd7? (better 26...Rb8+-) 27.Qb6 Rc8 28.Qb5 (28.Qa5 g6+-) 28...Rcd8 (28...Ra7 29.e4! g6 30.ef5 gf5 31.h5+-) 29.Qa5 Rb8 30.Qa4 Rbb7 (30...Rdb7 31.e4 g6 32.ef5 gf5 33.Qd1+-) 31.Qc6 (better 31.e4 fe4 32.f5 g6 33.fg6 hg6 34.Qe4 Ra7+-) 31...g6 (31...Ra7 32.Qc8+-) 32.a4 (32.Qc8 Kg7+-) 32...Ra7 33.a5! Kg7 (33...Ra5 34.Qd7 Deflection) 34.a6 (34.Qc4 Kf7 35.Qc8 Kg7+-) 34...Kf7 (34...Rd8 35.e4+-) 35.Kg3 (35.Qc8 Kg7+-) 35...Kg7 (35...Rd8 36.h5!+-) 36.Kf3 (36.Qc4 Kf7+-) 36...Kf7 (36...Rd8 37.e4+-) 37.e4 Kg7 38.ef5 gf5 39.g4 (39.Qc4!? h5 40.Qe6 Rf7+-) 39...fg4 40.Kg4 Kf7 (40...Rd8+-) 41.f5 ef5 (41...h6 42.Kf4 ef5 43.Qd5 Kg6 44.e6 Rd6 45.Qd6+-) 42.Kf5 (42.Kf5 Kg7 43.e6 Rf7 44.ef7 Rf7 45.Ke5+-) 1-0. Arifars17 (2680) - IamNeneu (2515), Rated Bullet game, lichess.org, 2021. (=1.a3 Nf6 2.b4 e6 3.Bb2 c5 4.bc5 Bc5 5.e3 d5 6.Nf3 0-0 7.d4)

9.Nc3 Ba6 10.Qa4 (10.Ne5 dc4 11.Qf3 Nd5 12.Nc4 Bb7=) 10...Qc8 (10...dc4 11.Bc4 Bb7 12.Rc1=) 11.Nd2 (11.Ne5 Qb7=) 11...dc4 (11...Qb7 12.Nb5=) 12.Bc4 (12.Rc1 Qb7 13.Nb5 Qd7 14.Qc4 Rc8+=) 12...Bb7 (12...Bc4 13.Nc4 a6 14.Qb3=) 13.0-0 Nbd7 (13...Rd8 14.Rfc1=) 14.Rac1 (14.Rfc1 a6 15.Bd3 Qd8=) 14...a6 15.Be2 (15.Bd3 Qd8=) 15...b5 (15...Qb8 16.Rc2=) 16.Qd1 (16.Qb3 Qb8=) 16...Qd8 (16...Qb8 17.Bd3=) 17.Bf3 Bf3 (17...Qb6 18.Qe2=) 18.Qf3 Nb6 19.Nce4 (19.Rc2 Rc8 20.Rfc1 Nc4=) 19...Ne4+= 20.Qe4 Bf6 (20...Na4 21.Qb1+=) 21.Rc6= Nd5 (21...Na4 22.Bc3=) 22.Rfc1 Qd7 23.Qc2 Rfe8 (23...b4 24.ab4 Nb4 25.Rc7=) 24.g3 (24.e4 Ne7 25.Rc7 Qd8+=) 24...h5 (24...b4 25.Qc4=) 25.h4 (25.Nf3 Reb8+=) 25...g6 (25...b4 26.Qd1=) 26.Ne4 Be7= Black prepares b4 27.Nd2 b4 28.e4 Nf6?? 29.ab4+= Bb4 30.d5 Bd2 31.Qd2+/– Ne4? 32.Qd4+– The mate threat is Qg7 32...e5 33.Qe4 a5 34.Be5 a4 35.Rg6! (35.Rg6 Kf8 36.Bg7 Kg8 37.Bf6 fg6 38.Qg6 Kf8 39.Qh6 Kg8 40.Qh8 Kf7 41.Qg7#) 1–0. Kracik,Tomas (1890) – Drasnar,Pavel, Nachod CZE Open, 2006.

9.Nc3 Bb7 10.cd5 Nd5 11.Be2 Nd7 12.0-0 N7f6 13.Rc1 Nc3 14.Rc3 Qd6 15.Ne5 Ne4 16.Rc2 f6 17.Nc4 Qd5 18.f3 Nd6 19.e4 Qg5 20.f4 White prepares the advance e5 (20.Qc1 Qh5+=) 20...Qg6 21.Nd6 Bd6 22.f5 (22.Bc4 Be4 (22...Qe4? 23.Re1 Qf4 24.g3+-) 23.Be6 Kh8=+) 22...Qh6=+ 23.e5 fe5 24.de5 Qe3 25.Kh1 Be5 26.Be5 Qe5 27.fe6 Rfd8 28.Qc1 (better 28.Bd3 Be4 29.Rd2 Bd3 30.Re1=+) 28...Be4?? (better 28...Qe6 29.Qg5 h6-/+) 29.Bc4+/- Kh8 30.Re2 Rac8 31.Rd1?? (better 31.Qc2! Qf6 32.Rf6 Bc2 33.Rf1+-) 31...Rd4= 32.Rd4 Qd4 33.e7 Bg6?? (better 33...b5 34.e8Q Re8 35.Bb5 Rf8=) 34.Re1+- Be8?? (better 34...Qh4+-) 35.Rf1 h6 (35...h5 36.Rf8 Kh7 37.Bg8 Kg6 38.Qb1 Kh6 39.Qh7 Kg5 40.Rf5 Kg4+-) 36.Rf8 Kh7 37.Qb1 (37.Bg8 Kg6 38.Qb1 Kh5 39.Qf5 g5 40.Bf7 Bf7 41.Qf7 Kh4 42.g3 Kg4 43.Qf3 Kh3 44.Qf5 g4 45.Qh5) 37...Bg6 (37...g6 38.Bf7 Bf7 39.Rf7 Qg7 40.Rg7 Kg7+-) 38.Bg8 Kh8 39.Bf7 (39.Bf7 Rf8 40.ef8Q Kh7 41.Qg6) 1-0. Williams,Barry - Post,Martin, Wanganui Chess Club A-Reserve Ch, 2001.

9.Nbd2 Ba6 10.Rc1 Ne4 (10...Bd6 11.Qa4=) 11.Bd3 (11.Ne4 de4 12.Nd2 f5+=) 11...f5 12.Ne5 Bd6 13.Ndf3 Bb7 14.cd5 (14.Qa4 Qe7+=) 14...ed5 (14...Bd5 15.Bc4=) 15.0-0+= Qe8 (15...Qe7 16.Qa4+=) 16.a4 (16.Qb3 Qe6+/–) 16...Rf6 (16...Na6 17.Bb5 Qe6 18.Qd3+=) 17.Bb5 (17.Qb3 Qe6+=) 17...Qh5 (17...Qe6 18.Qb3+=) 18.g3 (18.Qb3 Re6+=) 18...g5 (better is 18...Na6=) 19.Qd3?? (better is 19.Nd2 Qd1 20.Rfd1=) 19...a6–+ 20.Bd7 Rh6?? (better is 20...Nd7 21.Nd7 Qf3 22.Nf6 Nf6-/+) 21.Bc8+/– Ra7 (21...Bc8 22.Rc8 Kg7 23.Qb3+–) 22.Bb7 Rb7 23.Rc8 (23.Qb3 Nf6 24.Rc8 Kg7+–) 23...Kg7 24.Rfc1?? (24.Qb3 Nf6 25.Ba3 Ba3 26.Qa3+–) 24...Qh3?? (better is 24...Be5 25.de5 Qf3-/+) 25.Qf1?? (better is 25.Qb3 Re6 26.Qd5+–) 25...Qh5 (25...Qf1 26.Kf1 b5 27.ab5 ab5 28.h4=) 26.Qg2 (26.h4 b5=) 26...b5 (26...g4 27.Ne1=) 27.a5 (27.ab5 g4 28.Ne1 Rb5+= (worse is 28...ab5 29.N1d3+/–)) 27...Re6 (27...g4 28.Ne1 Qh3 29.Qh1=) 28.Rd8 (28.Nd3 Re8=) 28...Nf6 (28...g4 29.Ne1 Re8 30.Re8 Qe8 31.N1d3=) 29.Rdc8 (29.Nd3 Rd7 30.Nc5 Bc5 31.Rd7 Nbd7 32.dc5 g4+–) 29...Bb4 (29...b4 30.Nd3 Ree7 31.Nfe5=) 30.Nc6 (better is 30.Nd3!? Ba5 31.Nc5+/–) 30...Nc6+= 31.R1c6 Rbe7 (31...Rc6 32.Rc6 Ba5 33.Ra6=) 32.Bc3 (32.Re6 Re6 33.Rc7 Kg8=) 32...Ba3 33.Be1 (33.R8c7 Rc6 34.Rc6 Qe8 35.Ra6 Qc8 36.Rf6 Kf6-/+) 33...Ne4 34.R8c7 Qf7 (34...Rc7 35.Rc7 Re7 36.Rc6=) 35.Rc8 Rc6 36.Rc6 Re6 37.Ne5 (37.Rb6 Rb6 38.ab6 Bd6=) 37...Qe8 (37...Rc6 38.Nf7 (worse is 38.Nc6 Qc7 39.Ne5 b4-/+) 38...Rc1 39.Qf3 Re1 40.Kg2+=) 38.Rc7 (38.Rb6 g4=) 38...Re7 39.Re7 Qe7 40.Qf1 (40.g4 f4 41.f3 Nd6 42.ef4 gf4+=) 40...Qc7 (40...g4 41.Nc6 Qc7 42.Qd3-/+) 41.Kg2 (41.Qe2 Qc1+=) 41...Qc2 (41...Bd6 42.Nd3+=) 42.Nd3 (42.Qd3 Qa2+=) 42...Qc4 Black plans b4 (42...g4 43.Bb4 Nf2 44.Qf2 Qd3 45.Ba3 Qa3 46.Qf5 Qe3 47.Qg4 Kf6 48.Qh4 Ke6 49.Qh3 Kd6 50.Qh7 Qe4 51.Qe4 de4 52.h4=) 43.Qe2 Bd6 44.f3 Nc3 (44...Nf6 45.Qd1+=) 45.Qc2 Na2 Black prepares the advance b4 46.Qb1 (46.Qd2=) 46...b4 (46...f4 47.ef4 gf4 48.Nf4 Bf4 49.gf4 b4=) 47.Nb2 (better is 47.Nf2 f4 48.Qf5+=) 47...Qb3-/+ 48.Qf5 (48.Bd2 Be7-/+) 48...Qb2+= 49.Kh3 (49.Bf2 Be7+=) 49...Be7 50.Qd5 (50.Qe6 Bf6 51.Qd7 Kf8 52.Qc8 Kf7 53.Qd7 Be7 54.Qd5 Ke8 55.Qc6 Kd8 56.Qa6=) 50...Nc3 (50...Qe2 51.Qe4 Qf1 (51...Qe1 52.Qe7 Kg6 53.Qe6 Kg7 54.Kg4+/–) 52.Kg4 h5 (52...Qe1? 53.Qe7 Kg8 54.Qg5 Kf7 55.Qh6+–) 53.Kf5 Qb5 54.Ke6 Qe8–+) 51.Qd7 Kf6 52.Qc6 Kf7 53.Qc4 Ke8 54.Qc8 ½–½. Francke,Dirk (1950) – Eidenberger,Otto (2000), World Senior Teams +65, 2016.

9.Nbd2 Nc6 10.Be2 Na5 11.0-0 Ba6 (11...Bb7 12.Bd3=) 12.cd5 Be2 13.Qe2 ed5 (13...Qd5 14.e4 Qb7 15.Rfc1=) 14.Rac1 (14.Ne5 b5+=) 14...a6 (14...b5 15.Ne5+= (15.Qb5? Rb8 16.Qd3 Rb2–+)) 15.Ne5 (15.Rfe1 b5+=) 15...b5 16.Nc6 (16.Rc2!?+=) 16...Nc6= 17.Rc6 Qd7 (17...Rc8 18.Rc8 (worse 18.Ra6 Rc2 19.Ba1 Ne4-/+) 18...Qc8 19.Rc1=) 18.Rc2 Rfc8 19.Rfc1 Rc2 20.Rc2 Rc8 21.Nb3 (21.Nf3 Ne4=+) 21...Rc4=+ 22.Na5 Rc7 23.h3 (23.Nb3 Bd6=+) 23...Qc8-/+ 24.Rc7 Qc7 25.Nb3 h6 (25...Ne4 26.f3 Nd6 27.e4-/+) 26.Nc1 (26.f3 Nh5=+) 26...Qa5 The isolani on a3 becomes a target (26...Qc4 27.f3=+) 27.Nd3 (27.Nb3!? Qd8 28.Qc2=) 27...Ba3-/+ 28.Ba3 Qa3 29.Qc2 a5 30.Qc8 Qf8 31.Qa6 a4 32.Qb5 Qa8 33.Nb4 a3 34.Na2 Ne4 (34...h5 35.Qb4-/+) 35.f3 Nd6 36.Qb3 (36.Qc5 Nc4 37.e4 Ne3-/+) 36...Nc4 37.e4 (37.Kf2 Qd8 38.Qd3 Qb6–+) 37...Qa5 38.Qb8 White intends e5 (38.Qb4 Qb4 39.Nb4 de4 40.fe4 Nd2–+) 38...Kh7–+ 39.Qb4 Qb4 40.Nb4 de4 41.fe4 Nd2 42.e5 Kg6 (42...Nb3!? 43.d5 Kg6 44.Kf2–+) 43.Kf2-/+ Nb3 (43...Ne4!? 44.Ke3 Nc3-/+) 44.Ke3=+ Nc1 (44...Kf5 45.Na2-/+) 45.Nc2= a2 46.Na1 (46.e6 fe6 47.Na1 e5=+) 46...Kf5+= 47.g4 (47.g3 h5=) 47...Ke6= 48.Ke4 (better 48.Kd2!? Kd5 49.Kc1 Kd4 50.e6 fe6 51.Kb2=) 48...Ne2-/+ 49.d5 (49.h4 Nc3 50.Kd3 Nd5-/+) 49...Kd7 50.h4 Nc3 (50...f6 51.ef6 gf6 52.Kf5-/+) 51.Kd4 Nd1 52.Ke4 (52.g5 hg5 53.hg5 Nf2-/+) 52...Kc7 (52...f6 53.ef6 gf6 54.Kf5 Ne3 55.Kf6 Ng4 56.Kf5 Ne3 57.Kg6-/+) 53.Nb3? (better 53.g5!?-/+) 53...Nf2–+ 54.Kf5? White prepares g5 (better 54.Kf4–+) 54...Kd7 (better 54...g6 55.Kf4 Nd3 56.Ke3 Ne5–+) 55.g5-/+ hg5 (55...Ke7 56.d6 Kd7 57.gh6 gh6 58.Kf4-/+) 56.hg5 g6 57.Kf4 Nd3 (57...Kc7 58.Na1-/+) 58.Ke4 Nc1 59.Na1 Ne2 60.Ke3 Ng3 (60...Ng1 61.Kf4=+) 61.Kf4 (61.Kd3 Nh5=+) 61...Nf5 62.Ke4 Kc7 (62...Nh4 63.Nc2=+) 63.Nb3 (63.Kd3 Nh4 64.Ke4 Kb6-/+) 63...Ng7 (63...Nh4 64.Na1=+) 64.Kd4 (64.Na1 Kb6 65.Kd4 Kb5-/+) 64...Kb6 (64...Nh5 65.e6 fe6 66.de6-/+) 65.Ke4 (65.Kc3!?=) 65...Kb5-/+ 66.Na1?? (better 66.Kd3-/+) 66...Kc5 (66...Kc4 67.Nc2 Kc3–+) 67.Nc2 (67.d6–+) 67...Kc4 68.e6 (68.Na1 Kc3 69.Ke3 Nf5 70.Ke2 Nd4 71.Kd1–+) 68...Ne6! 69.de6 fe6 70.Ke5 Kc3 71.Na1 (71.Nd4 a1Q 72.Ne6 Kc4 73.Kd6 Qa3 74.Kd7 Qa7 75.Kd6 Qf7–+) 71...Kb2 72.Ke6 (72.Kf6 Ka1 73.Kg6 Kb2–+) 72...Ka1 73.Kf6 Kb1 74.Kg6 a1Q 75.Kh7 Qa7 (75...Qa7 76.Kg6 Kc2–+) 0–1. Farkas,Miso (2130) – Petrovic,Lazar (2110), Vrbas SER, Vojvodina 2nd League, 2011.

9.Bd3 Ba6 10.Nbd2 Qd7 11.Qc2 Rc8+= 12.a4 Nc6–+ 13.Ba3 Nb4 14.Bb4+= Bb4 15.0-0 Rc7 (better is 15...Bd2 16.Nd2 dc4-/+) 16.Qb3? (16.a5 Ba5 17.Qb3 Qe7-/+) 16...Ba5?? (better is 16...Bd2 17.Nd2 dc4 18.Bc4 Ne4 19.Ba6 Nd2–+) 17.Ra2 (17.Rac1 Rac8 18.Ne5 Qe7-/+) 17...Rac8 18.Rc1 (18.Ne5 Qe7 19.cd5 Bd3 20.Nd3 Nd5+=) 18...Qd6 (18...Ne4 A) 19.Ne4? dc4 (19...de4?! 20.Ne5 Qe8 21.Be4–+) 20.Qa3 cd3–+; B) worse is 19.Be4 de4 20.Ne5 Qe7–+; C) 19.Qb1 Nc3 20.Rc3 Bc3 21.Ne5–+) 19.Rb2 (19.Rac2 Bb4=) 19...Bd2 (19...Ne4 20.Be4 dc4 21.Qa2-/+) 20.Nd2+= dc4 (20...e5 21.de5 Qe5 22.Rbc2+=) 21.Bc4 (21.Nc4? Ng4 22.g3 Qd5–+) 21...Bc4 22.Nc4 Qd5 (22...Ng4 23.g3 (23.Nd6?? Rc1 24.Qd1 Rd1) 23...Qd5 24.Rbc2+=) 23.Rbc2= Ne4 (23...Ne8 24.Qd3=) 24.Qd3 Nc5 (24...Nd6 25.Nd6 Qd6 26.g3=) 25.Qa3 (better is 25.Qf1 Nb3 26.Nb6 Rc2 27.Rc2 Rc2 28.Nd5 ed5 29.f3–+) 25...Nb7? (25...Na6 26.Nd6 Rc2 27.Nc8+=) 26.Qd3 b5 27.Nb6?? Rc2–+ 28.Rc2 Rc2 29.Qc2 ab6 30.ab5 Nd6 31.Qc6 Qc6 32.bc6 f6 33.c7 g6 34.e4 Kf7 35.e5 fe5 36.de5 Nc8 37.Kf1 Ke7 38.f4 Kd7 39.g4 b5 40.Ke2 Nb6 41.Kd3 Nd5 42.f5 ef5 43.gf5 gf5 44.e6 Kc7 45.Kd4 Kd6 46.h4 b4 47.Kc4 0–1. Rempe,Torge – Steinmann,Jonas, Schleswig Holstein–chA U16, 2000.

9.Bd3 Bb7 10.Nc3 (10.cd5 Qd5 11.Nbd2 Rd8=) 10...dc4 11.Bc4 Nbd7 (11...Nc6 12.0-0=) 12.0-0 Rc8 13.Bd3 h6 (13...a6 14.Qe2 b5 15.Rfc1=) 14.Rc1 (14.Qe2 Nd5 15.Nd5 Bd5+=) 14...a6= 15.Re1 (15.e4 b5=) 15...b5 16.h3 (16.e4 Nb6=) 16...Nb6 (16...Qa5 17.Nb1+=) 17.Nd2 (17.e4 Re8=) 17...Nfd5 (17...Qd7 18.Nf3+=) 18.Nd5= Bd5 (18...Qd5 19.Be4 Qd7 20.Bb7 Rc1 21.Bc1 Qb7 22.Qg4+=) 19.Rc8 Qc8 20.e4 Bb7 21.Bc2 (21.Qa1 Na4=) 21...Qc7 22.Re3 (22.Bb3 Rc8+=) 22...Bg5 (22...Rd8 23.Rc3 Qf4 24.Rf3+=) 23.Rg3 Bd2 24.Qd2= Nc4 25.Qc3 f6 26.d5 Qd6 27.Bc1 Kh8 28.Qf3 Ne5 29.Qh5+/– Nf7?? 30.Qg6+– Ng5 31.h4 ed5 32.hg5 hg5 33.e5! (33.e5 Kg8 34.ed6 f5 35.Rg5 Rf7 36.d7 Bc6 37.d8Q Be8 38.Qe8 Rf8 39.Qg7#) 1–0. Bui Dac Khuong – Nguyen Trung Hieu, Can Tho, 2003.

9.Bd3 dc4 10.Bc4 Bb7 11.0-0 =.

9.Be2 Bb7 10.0-0 (10.cd5 Qd5 11.Nc3 Qf5 12.0-0 Rc8 13.Qd3 Qg4 14.Rfc1=) 10...Nc6 (10...dc4 11.Bc4 Nc6 12.Bd3 Qd5 13.Nc3 Qh5 14.Ne2=; 10...a6 11.Nc3 (11.cd5 Qd5 12.Nc3 Qh5 13.Ne5 Qh6 14.Bf3=) 11...dc4 12.Bc4 Nc6 13.Bd3 Rc8 14.Qe2=) 11.Nbd2 (11.Nc3 dc4 12.Bc4 a6 (12...Rc8= 13.Qe2 Na5 14.Bd3=) 13.Bd3 Rc8 14.Ng5=; 11.cd5 Qd5 12.Nc3 Qd7 13.Qd3 a6 14.Rfd1=) 11...Ne4 (11...h6 12.Rc1= Rc8 13.cd5 Qd5 14.Bd3=; 11...Rc8 12.Rc1 a6 13.cd5 Qd5 14.Qb3=) 12.Rc1 Bd6 (12...Rc8 A) 13.cd5 ed5 14.Ne4= (14.h3=); B) 13.Ne4 de4 14.Nd2+=; 12...Nf6 13.cd5 Qd5 14.Re1+=) 13.Ne4 (13.cd5 ed5 14.Bb5= (14.Ne4 de4+=)) 13...de4 14.Nd2 White intends c5 14...f5 15.c5 (better 15.Nb3+=) 15...Bh2? (better 15...bc5 16.dc5 Bc7=) 16.Kh2+– Qh4 17.Kg1 Rf6 18.f4 (better 18.f3 Rh6 19.Bb5+–) 18...Rh6= 19.Nc4 Ne7 (19...bc5 20.d5 Rd8=) 20.d5?? (better 20.cb6 Qg3 21.Bh5+–) 20...Nd5=+ 21.Qd4? (21.Bd4!? Qg3 22.Bh5-/+) 21...Qh2-/+ 22.Kf2 Rg6 23.Ke1 (23.Rg1 Qg3 24.Kf1 b5–+) 23...Rg2 24.Rc2 Rd8 25.Rf2 (25.cb6 ab6 26.Bd1 Qh4 27.Rcf2–+) 25...Qh4 26.Bf1 Rg1 27.Rcd2 (27.Nd6 Ba6 28.Rce2 bc5–+) 27...Ba6 28.c6 (28.cb6 Rf1! 29.Kf1 Ne3 30.Kg1 Rd4 31.Bd4 Nc4 32.ba7–+) 28...Rf1! 29.Kf1 Ne3! 30.Kg1 (30.Qe3 Qh1 Double attack (30...Bc4 Deflection; 30...Bc4 Overloading)) 30...Rd4 31.Bd4 Nc4 32.Rc2 Qg4 33.Rg2 Qd1 34.Kh2 Qd4 35.a4 e3 36.a5 Qf4 37.Kh1 (37.Kh3 Nd2 38.Rg3 Bf1 39.Kh2 Qh4 40.Rh3 Qf2 41.Kh1 Qg2) 37...Bb5 (37...Nd2 38.Rcd2 ed2 39.Rg1 Bf1 40.Rf1 Qf1 41.Kh2 d1Q 42.Kg3 Qd4 43.ab6 Qdf4) 38.ab6 ab6 (38...Nd2 39.Rc1 Nf3 40.Rg7 Kg7 41.Rc2 Qh4 42.Kg2 Qg4 43.Kh1 Qg1) 39.c7–+ Qc7 (39...Qc7 40.Ra2 Bc6 41.Rac2 Qd6 42.Rce2 Qd1 43.Kh2 Nd2 44.Kg3 Nf1 45.Kh4 Bg2 46.Rg2 Qf3 47.Kg5 Qg2 48.Kf4 Qg3) 0–1. Godes – Guskov, 1965.

9.Be2 dc4 10.Bc4 A) 10...Qd6 11.Nc3 (11.0-0 Bb7 12.Bd3 Nbd7 13.Nc3 Rfd8 14.Qe2=) 11...Bb7 12.0-0 Rc8 13.Bd3 Nbd7 14.e4=; B) 10...a6 11.Bd3 (11.0-0 Bb7 12.Bd3 Nc6 13.Qe2 Qd5 14.Rc1=; 11.Nc3 b5 12.Bd3 Bb7 13.0-0 Nc6 14.a4=) 11...Bb7 12.Qe2 Qd6 13.0-0 Rc8 14.Nbd2=; C) 10...Nbd7 11.Bd3 Bb7 12.0-0 Bd6 13.Nbd2 Qe7 14.e4+=; D) 10...Qc7 11.Nbd2 Bb7 12.0-0 a6 13.Bd3 Nc6 14.Rc1+=; E) 10...Bb7 11.0-0 (11.Nc3 Nc6 12.Bd3 a6 13.Qe2 b5 14.0-0=) 11...Nc6 12.Nbd2 a6 13.Bd3 b5 14.Rc1=.

10.Bd3 dc4 11.Nc4 Nbd7 12.0-0=.

10.Bd3 Nc6 11.0-0 Rc8 12.Qe2 Re8 13.Bc2 Ba6 14.Bd3 Bd6 15.e4 (15.Rfc1 Na5=) 15...de4 16.Ne4 Ne4 17.Qe4 (worse 17.Be4 Na5-/+) 17...g6 (17...f5 18.Qe2=) 18.Rfd1 (18.Rac1 Na5 19.Qe2 Qc7=) 18...Qc7 (18...Na5 19.c5 Bd3 20.Qd3 bc5 21.dc5 Bc5 22.Qe2=+) 19.Qh4 f5 (19...Be7 20.Ng5 Bg5 21.Qg5+=) 20.Ng5 Bf8 (20...Qd7 21.d5 ed5 22.cd5+–) 21.Re1 Qd7 22.Rad1 h6 23.Nf3 Bg7 The pressure on d4 grows 24.Qf4 Qf7 (24...g5 25.Qg3=) 25.h4 Kh7 26.Rc1 Qc7 27.Qe3 Bb7 28.Qd2 (28.h5 g5+=) 28...Na5= 29.h5?? (better 29.Qe3=) 29...g5?? (better 29...Bf3 30.hg6 Kg6 31.gf3 Nb3–+) 30.Re6!+– Be4 (30...Re6 31.Bf5 Double attack (31.Bf5 Decoy)) 31.Re8 Re8 32.Qd1 (32.Be4 Re4 33.Qd3 Qf7+–) 32...Qf4 (32...g4 33.Be4 Re4 34.Ne5+–) 33.c5 (33.Ne5 Bd3 34.Qd3 Rd8+–) 33...g4 (33...Bf3 34.Qf3 Qf3 35.gf3+=) 34.Ne5 (34.Be4 fe4 35.Ne5 Be5 36.de5 Rf8+–) 34...Be5 35.de5 Rd8 36.cb6 Rd3 37.Rc7 Kg8 38.Qa4 (better 38.Rc8 Kf7 39.Qa4 Nc6 40.e6 Ke7 41.Rc7 Ke8 42.Rc6 Rd1 43.Qd1 Bc6+–) 38...Bc6?? (38...Rd8 39.Rd7 Rd7 40.Qd7 Bc6 41.Qd8 Kf7+–) 39.Qf4 (39.Qf4 Rd1 40.Kh2 ab6 41.e6 Rh1 42.Kh1 Bg2 43.Kg2 Nb7 44.Rb7 g3 45.Qb8) 1–0. Swicarz,Maciej (2310) – Keuning,Selwin (2030), Wroclaw Poland, Adolf Anderssen Memorial, 2018.

10.Bd3 Nbd7 11.Rc1 (11.cd5 Bd5 12.0-0 Rc8=) 11...Rc8 (11...dc4 12.Nc4 b5 13.Ncd2=) 12.Rc2 (12.cd5 Rc1 13.Bc1 Nd5=) 12...Bd6 (12...dc4 13.Rc4 Rc4 14.Nc4+=) 13.Qb1 (13.cd5 Nd5 (13...Bd5? 14.Rc8 Qc8 15.e4+–) 14.Rc8 Qc8=) 13...dc4 (13...Qe7 14.0-0=) 14.Nc4 Bb8 (14...Bf3 15.gf3 Bb8 16.f4=) 15.Ncd2 Qe7 16.Ke2 (16.e4!? Rc2 17.Qc2=) 16...e5+= 17.Ng5 (17.de5 Ne5 18.Be5 Be5+=) 17...h6 (17...Bg2 18.Rc8 Rc8 19.Rg1+=) 18.Nh7 Nh7 (18...Rc2 19.Bc2 Rd8 20.Nf6 Nf6 21.de5 Be5 22.Nf3 Bf3 23.gf3-/+) 19.Bh7+= Kh8 20.Rc8 Rc8 21.Be4 Ba6 22.Bd3 (22.Kd1 ed4 23.Bd4 Qa3-/+) 22...Bd3 23.Qd3 ed4 (23...Qe6 24.Rd1-/+) 24.Bd4 Nf8 (24...Nc5 25.Bc5 Rc5 26.Nf3+=) 25.Rd1 Ne6 26.g3 (26.Kf1 Bd6+=) 26...Nd4-/+ 27.Qd4 Qa3 28.Qd7 Rf8 29.Ne4 Qa6 Black is in command 30.Kf3 Qc8 31.Qe7 Re8 32.Qd7 Be5 33.Ke2 f5 34.Qc8 Rc8 35.Nd6 Bd6 36.Rd6 Rc5 37.h4 Rb5 38.f3 a5 39.h5 a4 40.Rd8 Kh7 41.g4 fg4 42.fg4 a3 (42...a3 43.Rd1 Ra5–+) 0–1. Roczniak,Jan – Gaida,Leszek, corr, 1985.

10.Be2 dc4 11.Bc4 A) 11...Nc6 12.0-0 (12.Qe2 Qd7 13.0-0 Rfc8 14.Rac1 Rc7 15.Ne5=; 12.Bd3 Rc8 13.Rc1 a6 14.0-0 b5 15.Nb3=) 12...Rc8 13.Qe2 Bd6 14.Rfc1 Re8 15.Ne5=; B) 11...Nbd7 12.0-0 (12.Qe2 a6 13.Bd3 b5 14.a4 b4 15.a5=) 12...Rc8 13.Qe2 Bd6 14.Rfc1 Ne4 15.Ne4=; C) 11...Bd6 12.Qe2 (12.Rc1 Qe7 13.Qb3 Nc6 14.Be2 Na5 15.Qd3=; 12.0-0 Nc6 13.e4 Bf4 14.Bd3 Rc8 15.Qe2=; 12.Bd3 Nc6 13.0-0 Rc8 14.e4 Nh5 15.Nc4=) 12...Nc6 13.0-0 a6 14.Rfc1 b5 15.Bd3=; D) 11...Ba6 12.Ba6 Na6 13.0-0 b5 14.e4 Rc8 15.Qb3=; E) 11...a6 12.Bd3 (12.0-0 Nbd7 13.Bd3 b5 14.a4 b4 15.Rc1=) 12...b5 13.0-0 Nc6 14.Qe2 Qd5 15.Rfc1=.

10.Be2 Nc6 11.0-0 Rc8 (11...dc4 12.Bc4 a6 13.Qe2 b5 14.Bd3 Qd5 15.Rfc1=) 12.Rc1 dc4 13.Bc4 a6 14.Bd3 b5 15.Nb3=.

10.Be2 Nc6 11.Rc1 a6 12.cd5 (12.c5 bc5 13.dc5 Qc7 14.0-0 Rfc8 15.Qc2=; 12.0-0 dc4 13.Nc4 b5 14.Ncd2 Qd5 15.Bd3=) 12...Qd5 13.0-0 Rfc8 14.Bd3 b5 15.e4=.

10.Be2 Nc6 11.Rc1 dc4 12.Bc4 Rc8 13.0-0 a6 14.Bd3 b5 15.Nb3=.

10.Be2 Nc6 11.Rc1 Rc8 12.0-0 Na5 13.Ne5 Nd7 14.Nef3 Nf6 15.Bd3 Rc7 (15...dc4 16.Nc4 Nc4 17.Bc4=) 16.cd5+= Nd5 17.Qe2 Rc1 18.Rc1 (worse 18.Bc1 Nc3 19.Qe1 Qc7=+) 18...Qa8 19.Bc2 (19.Nc4 Nc4 20.Bc4 Nf6=) 19...Rc8= 20.Qd3 g6 21.Ne5 Nf6 (21...f6 22.Ng6 hg6 23.Qg6 Kf8 24.Qh6 Ke8 25.e4+–) 22.e4 (22.f3 Nc6=) 22...Rd8 (22...Rc7 23.Qf1=) 23.Qf3 Nc6? (better 23...Rc8+=) 24.Nc6+– Bc6 25.d5 (25.d5 Ne8 26.dc6 Rd2 27.Qc3+–) 1–0. Pierre – Corpie, internet, 2019.

10.Be2 Nc6 11.Rc1 Rc8 12.0-0 dc4 13.Bc4 a6 14.Bd3 b5 15.Nb3=.

10.Be2 Nc6 11.Rc1 Rc8 12.c5 bc5 13.dc5 Nd7 14.Nb3 Na5 15.Bd4=+.

10.Be2 Nbd7 11.0-0 (11.Rc1 Rc8 (11...dc4 12.Bc4 Bd6 13.Bd3 a6 14.e4 Nh5 15.Nc4=; 11...a6 12.cd5 Nd5 13.0-0 b5 14.Bd3 Rb8 15.Qb3=) 12.0-0 a6 13.cd5 Rc1 14.Qc1 Nd5 15.Bd3=) 11...Rc8 (11...dc4 12.Bc4 a6 13.Bd3 b5 14.a4 b4 15.Rc1=; 11...a6 12.a4 (12.Rc1 dc4 13.Bc4 b5 14.Bd3 Nb6 15.e4=; 12.cd5 Nd5 13.Rc1 b5 14.Qb3 N7b6 15.Ne5=) 12...Rc8 13.Rc1 Rc7 14.cd5 Rc1 15.Qc1=) 12.Rc1 (12.cd5 Bd5 13.Qb1 Bc6 14.Rc1 Rc7 15.Bd3=) 12...h6 (12...a6 13.cd5 Rc1 14.Qc1 Nd5 15.Qb1=) 13.Qb3 Bc6 (13...dc4 14.Bc4 Rc7 15.Bb5=) 14.a4 (14.Rc2 Rc7 15.Rfc1+=) 14...Rc7 (14...Ne4 15.Rc2=) 15.Rc2 (15.Ba3=; 15.cd5 Bd5+=) 15...Qb8 (15...Bd6 16.Ba3 Qe7 17.Bd6 Qd6 18.Rb1=) 16.Rfc1 (16.Ba3 Ba3 17.Qa3 Rfc8+=) 16...Rfc8 17.Ba3 Ba3 18.Qa3 dc4 19.Rc4 (19.Bc4 Bd5+=) 19...Ne4 (19...a6 20.Ne5 Ne5 21.de5=) 20.Rc6+= Nd2 21.Rc7 Nf3 22.Bf3 Rc7 23.g3 Nf6 24.Kg2 Qc8 25.Rc7 Qc7 ½–½. Melich,Jindrich – Martinkova,Monika, Klatovy, 1999.

9.Bc4 a6 10.0-0 b5 11.Bd3 Bb7 12.Nc3 b4 (12...Nc6 13.Qe2=) 13.ab4+= Bb4 14.Be2 Nbd7 15.Qb3 a5 16.Na2 Bd5 17.Qa4 Be7 (17...Nb6 18.Qb5 Qd7 19.Qd7 (worse 19.Qb6 Rfb8 20.Qb8 Rb8-/+) 19...Nfd7 20.Rfb1=+) 18.Nc3 Bb7 19.Rfc1 Nd5 (19...Nb6 20.Qc2=) 20.Nd5 Bd5 21.Bc3 Nb6 22.Qb5 a4 (22...Qd6 23.Ba5 Nd7 24.Qb1+–) 23.Ba5 Ra5 24.Qa5 a3 25.Ra3 Ba3 26.Qa3 Nd7 27.Qd6 Nf6 28.Qd8 Rd8 29.Ne5 h6 (29...Ne8 30.Bd3+–) 30.Rc7 Rf8 31.f3 Ne8 32.Re7 Nd6 33.e4 Ba8 34.Rd7 Nc8 (34...Nb7 35.Bc4 Rc8 36.d5+–) 35.Bc4 Nb6 36.Rf7! Rf7 (36...Nc4 37.Rf8 Kf8 38.Nc4 Bc6+–) 37.Be6 Kf8 38.Bf7 Nd7 39.Nd7 Kf7 40.Kf2 g5 41.d5 Ke7 42.Nb6 Bb7 43.Ke3 Kd6 44.Kd4 h5 (44...Ba6 45.e5 Kc7 46.Kc5+–) 45.e5 Kc7 46.Kc5 Ba6 (46...Bd5 47.Nd5 Kd7 48.Nf6 Ke6+–) 47.d6 Kd8 48.e6 Bd3 49.e7 Ke8 50.Nd5 Bf5 Black prepares the advance g4 (50...Kd7 51.Nf6 Kc8 52.e8Q Kb7 53.Qc6 Ka7 54.Qc7 Ka8 55.Nd5 h4 56.Nb6) 51.Nc7 Kf7 52.e8Q Kf6 (52...Kg7 53.Qe7 Kh6 54.Ne8 h4 55.Qg7 Kh5 56.Nf6 mate) 53.Qf8 Ke5 (53...Kg6 54.Ne8 Bd3 55.Qf6 Kh7 56.Qg7) 54.Nd5 g4 (54...Ke6 55.Qe7) 55.Qf6 1–0. Pyars – Sinja, internet, 2019.

9.Bc4 a6 10.0-0 b5 11.Bd3 Bb7 12.Nc3 Nbd7 13.Qd2 Rc8 14.Qe2 Nb6 15.Ne5 h6 (15...Nfd7 16.Rfd1=) 16.Rfc1 (16.Rac1 Bd6=) 16...Nbd5 (16...Nfd7!?=+) 17.Ne4 Ne4 18.Be4 Nc3 19.Bc3 Be4 20.Bb4 Bb7?? (better 20...Bb4 21.ab4 Rc1 22.Rc1 Qd6+=) 21.Rc8+- Bc8 (21...Qc8 22.Be7 Re8 23.Bc5+-) 22.Nc6 (22.Nc6 Qc7 23.Ne7 (23.Be7?! Re8+=) 23...Kh7 24.Qd3 f5 25.Nd5 ed5 26.Bf8+-) 1-0. Adlai – Gregory, internet, 2021.

9.Bc4 a6 10.0-0 b5 11.Bd3 Bb7 12.Nc3 Nbd7 13.Qe2 Rc8 14.Rfc1 Qb6 15.e4 Rfd8 16.Rc2 Rc7 17.Rac1 Rdc8 18.Qd2 h6 19.h3 Nh7 20.Qf4 Ndf6 (20...Nhf6!?=) 21.Na4+= Qd6 (21...ba4 22.Rc4 Double attack (22.Rc7 Discovered attack; 22.Rc4 Decoy)) 22.e5 Nd5?? (22...Rc2 23.Rc2 Qb8 24.Rc8 Bc8+=) 23.ed6+- Nf4 (23...Rc2 24.Rc2 (24.Bc2?! Nf4 25.Bh7 Kh7 26.Rc8 Bd6+-) 24...Nf4 25.Rc8 (25.de7?! Re8 26.Nc5 Bf3 27.gf3 Re7+-) 25...Bc8 26.Bh7 (26.de7?! Nf6 27.Nc5 N4d5+-) 26...Kh7 27.de7+-) 24.Rc7 (24.Rc7 Rc7 25.Rc7 (25.de7?! Re7 26.Nc5 Bf3 27.gf3 Ng5+/-) 25...Bd6 26.Bh7 Kh7 27.Rb7 ba4 28.Rf7+-; 24.dc7?! Nd3 25.Nb6 Nb2 26.Nc8 Bc8 27.Rb2 Ba3+-; 24.de7?! Rc2 25.Rc2 Re8+-) 1-0. Adlai – Jussup, internet, 2021.

9.Bc4 b6 10.Bd3 Ba6 11.0-0 Bd3 12.Qd3 Nc6 13.Nc3 (13.Rc1 Rc8+=) 13...Na5= 14.Rac1 Rc8 15.Nb5 a6 (15...Nc6 16.Rc2=) 16.Na7 Ra8 17.Nc6 (17.Qa6? Qb8–+) 17...Qe8 (17...Nc6 18.Rc6 Qd5 19.Rfc1+=) 18.Ne7+– Qe7 19.e4 Rfc8 20.d5 (20.Nd2 h6+–) 20...ed5 21.ed5 Qe4? (better 21...Rc1 22.Rc1 Qe4 23.Qe4 Ne4+=) 22.Rc8+– Rc8 23.Qa6 Rb8 24.Be5 Re8 25.Bf6 (25.Qb6 Nc4 26.Qb4 Ne5 27.Qe4 Ne4 28.Ne5 Re5–+) 25...gf6 26.Qb6 Qd5 27.Qf6 Re6 28.Qc3 Nc6 (28...Rc6 29.Qb4+–) 29.Rc1 Ne5 (29...h6 30.a4+–) 30.Nd4 Re8 31.Re1 f6? (31...h6+–) 32.f4 Rd8 33.fe5 Qd4 34.Qd4 Rd4 35.ef6 Ra4 36.Re3 Kf7 37.Rf3 Rd4 38.Kf2 h6 (38...Rc4 39.h3+–) 39.Ke3 (39.Ke2 h5+–) 39...Ra4 40.Kd2 h5 41.Kc2 (41.g3 h4+–) 41...Re4 42.Kd3 Re1 43.g3 Rh1 44.h4 Rc1 45.Ke4 (45.Kd4 Rc2+–) 45...Rc8 (45...Rc4 46.Kd5 Rc2 47.a4+–) 46.Kd5 Rc7 47.Kd4 (47.a4!? Rc1+–) 47...Rc2 48.Ke5 Rc5 (48...Rc4 49.Kd6+–) 49.Kd6 Rc2 (49...Rc4 50.Rf4 Rc3 51.a4 Rg3 52.a5+–) 50.Kd7 (50.a4 Ra2 51.Rf4 Ra1+–) 50...Rd2 (50...Rc1 51.a4 Ra1 52.Rf4+–) 51.Kc6 Ra2 52.Kb5 Re2 (52...Rb2 53.Ka6 Ra2 54.Ka5+–) 53.a4 Rb2 (53...Re5 54.Kb4 Re4 55.Kb3+–) 54.Ka6 Ke8 (54...Rb1 55.a5 Ra1 56.Kb6+–) 55.a5 Kf7 56.Ka7 Kg8 (56...Ra2 57.a6+–) 57.f7 Kf8 58.a6 Rb4 59.Ka8 Rb6 60.a7 Rb1 61.Rf5 Rb3 (61...Rb2 62.g4 hg4 63.h5+–) 62.Rh5 (better 62.g4 Rb4 63.gh5 Re4 64.h6 Rd4 65.h7 Rd8 66.Kb7 Ke7 67.a8Q Rd7 68.Kc6 Rd6 69.Kb5 Rd8 70.f8B Rf8 71.Qf8 Ke6 72.Qf7 Kd6 73.Rd5) 62...Kf7 63.g4 1–0. Pierre – Cwd, internet, 2020.

9.Bc4= Qb6 10.Qe2 Nc6 11.Nc3 Bd7 12.0-0 Rac8 13.d5 (13.Rfc1 Qc7 14.d5 Nd5 15.Bd5 ed5 16.Nd5 Qd6=) 13...Na5 (13...ed5 14.Nd5 Nd5 15.Bd5=) 14.Ba2 ed5 15.Nd5 (15.Rad1 Nc4 16.Nd5 Nd5 17.Bc4 Rc4 18.Qc4 Bb5+/–) 15...Nd5 16.Bd5 Be6 (better is 16...Bb5 17.Qd2 Bf1 18.Rf1 Nc6-/+) 17.Bd4+= Bc5 (17...Qd6 18.Be6 fe6 19.Rfd1=) 18.Rab1 (18.Rfb1 Qd6 19.Bc5 Rc5 20.Bb7 Nc4+/–) 18...Qc7 19.Be6 fe6 20.Rfc1 b6 21.Bc5 bc5 22.Nd2 (22.Qa6 Rf6+=) 22...Rf7 (22...c4 23.Rc3 Rb8 24.Rb8 Rb8 25.Qh5=) 23.Nc4 Rcf8 24.f3 (24.f4=) 24...g5 (better is 24...Rd8!?=) 25.Rb5 Nb7 26.Qb2 h5 27.Qe5 Qc6 28.Rcb1+/– Rf5 29.Qb2 Nd6 30.Nd6 Qd6 31.Rb7 The mate threat is Qg7 31...R5f7 32.Qc2 g4?? 33.Qg6+– Kh8 34.Rf7 (34.Rf7 Rf7 35.Qf7 gf3 36.Qa7 f2 37.Kf2 Qd2 38.Kg1 Qe3 39.Kh1+–) 1–0. Kreuzer – Haller, Kirchheim, 1995.

9.Bc4= Nc6 10.0-0=.

9.Bc4 Qc7 10.Bd3 Nc6 (10...Bd7 11.0-0=) 11.Nbd2 (11.0-0 b6=) 11...h6 (11...b6 12.Rc1 Bb7 13.Ne4=) 12.Rc1+= Qb6 (12...Bd7 13.0-0+=) 13.Nc4 Qd8 14.0-0 a6 (14...b6 15.Nce5 Ne5 16.de5+=) 15.Nfe5 Ne5 (15...Bd7 16.Qf3+=) 16.de5+– Nd5 17.Qg4 f5 (17...Rb8 18.Nd6+–) 18.ef6! Bf6 (18...Nf6 19.Qg6 Combination; 18...Bf6 19.Ne5 Combination) 19.Ne5 b5 (better 19...Be5 20.Be5 Nf6+–) 20.Qe4+– Be5 21.Qh7 (21.Qe5?! Qf6+–) 21...Kf7 22.Be5 Nf6 (22...Rg8 23.Bg6 Kf8+–) 23.Bg6 Ke7 24.Qg7 (24.Qg7 Rf7 25.Qf7) 1–0. Pierre – VerianM, internet, 2020.

9.Bc4 Bd7 10.0-0 Bc6 (10...Qb6 11.Qe2+=) 11.Nbd2 (11.Ne5 Qb6 12.Qe2 Rc8+=) 11...Nbd7= 12.Qb1 b5 (12...Rc8 13.Rc1=) 13.Bd3 a6 (13...h6 14.Rc1 Rc8 15.Bc3+=) 14.Bc3+= Rc8 15.Bb4 h6 16.Rc1 Nd5 17.Bh7 Kh8 18.Be4 N7f6 19.Bd5 Nd5 (worse 19...ed5 20.Ne5 Bb4 21.ab4+/-) 20.Be7 Qe7 (20...Ne7 21.Ne5+=) 21.Ne5 Bb7 22.Ne4 Rc1 23.Qc1 Rc8 24.Qe1 Kg8 25.Nc5 f6 26.Ned3 Nb6 27.Qb4 Nc4 (27...Qf7 28.h3+=) 28.a4 Be4?? (better 28...Bd5+/-) 29.ab5+- Bd3 30.ba6 (30.Nd3?! Qb4 31.Nb4 ab5+=) 30...Ne3 (30...Be4 31.Qc4 Bd5 32.Qb5+-) 31.Qb7 (31.Nd3?! Qb4 32.Nb4 Nd5+-; worse 31.fe3 Be4 32.a7 Kf7+-) 31...Rc7 (31...Qe8 32.a7 Ra8 33.fe3 Bc4 34.Qa8 Qa8+-) 32.Qb8 Kh7 33.a7 Nc2 (33...Rc5 34.a8Q Rc7 35.fe3+-) 34.a8Q Na1 (34...Bf5 35.g4! Bg4+-) 35.Qg8 Kg6 36.Nd3 Nb3 37.Qe4 f5 38.Ne5 Kf6 (38...Kg5 39.Qe3 Kh5 40.Qh3 Qh4 41.Qe8 Rf7 42.Qf7 Kg5 43.g3 Qh3 44.f4) 39.Qh4 (39.Qh4 g5 40.Qh6) 1-0. Adlai – Varresse, internet, 2021.

9.Bc4 Nbd7 10.Nc3 b6 11.0-0 Bb7 12.Rc1 Rc8 13.Bd3 a6 (13...Bd6 14.Qe2+=) 14.a4 Bb4 (14...Rc7 15.e4+=) 15.Qe2+– Ra8 16.h3 Re8 17.Rfd1 Qe7 18.e4 Ba3 19.Rd2 Bb2 20.Rb2 h6 (20...Rec8 21.Rbc2+–) 21.Nd2 Qa3 (21...Rec8 22.Rcc2+–) 22.Nc4+– Qe7 23.Nb6 (23.Qd2 Rec8+–) 23...Nb6 24.Rb6 Reb8? (better 24...Rec8+–) 25.Qb2 Ra7 (25...Nh5 26.Rb1 Nf4 27.Bf1+– (27.Rb7?! Rb7 28.Qb7 Qb7 29.Rb7 Nd3+–)) 26.Ba6! Ra6 (26...Ra6 27.Ra6 Combination; 26...Ba6 27.Rb8 Pinning (27.Rb8 Deflection)) 27.Ra6 Ba6 (27...Rd8 28.Ra7 Rd7 29.f3+–) 28.Qb8 Kh7 29.Qf4 Qa3 30.Qe3 Bb7 (30...Nd7 31.Rb1+–) 31.Nd5 Qe3 (31...Qd6 32.Nf6 gf6 33.d5+–) 32.Nf6 gf6 33.fe3 Be4 34.a5 e5 (34...Bd3+–) 35.a6 ed4 36.ed4 Kg6 37.Rc5 f5 38.d5 (38.d5 f4 39.a7 Bd3 40.a8Q Be2 41.d6 Kh7 42.d7 f3 43.d8Q f2 44.Kf2 Kg6 45.Qg8 Kf6 46.Qe4 Bc4 47.Qh8) 1–0. Pierre – Litterman, internet, 2020.

9.Nc3 Bd7 10.Bd3 Re8 (10...dc4 11.Bc4 Rc8 12.Bd3=) 11.0-0 a6 (11...dc4 12.Bc4 Rc8 13.Bd3=) 12.Qc2 (12.c5 b6 13.Na4 bc5 14.dc5 Qa5+=) 12...Rc8 (12...dc4 13.Bc4 Rc8 14.Bd3=) 13.Qe2 (13.c5+=) 13...b6 (better is 13...dc4!? 14.Bc4 Bd6=) 14.cd5+/– ed5 15.Ba6 Ra8 16.Bb5 (16.Ne5 Bd6 17.Bb7 Ne5 18.Ba8 Qa8 19.de5 Be5+/–) 16...Qc7 17.Bc6 (17.Rfc1 Ra5+/–) 17...Bc6 (17...Qc6 18.Rfc1+=) 18.Rac1 (18.Rfc1 Rec8+/–) 18...Qb7+= 19.Ne5 Bd6 (better is 19...Bd7!?+=) 20.Nc6+– Qc6 21.Qb5 (21.Ne4 Qd7 22.Nf6 gf6+–) 21...Qb5 (21...Qb7!?+/–) 22.Nb5+– Rad8 (22...Bb8 23.Rc6 Ne4 24.Rd1+–) 23.Rc6 Be7 (23...Re6 24.Rfc1 h5 25.R1c2+–) 24.Rb6 h6 25.Bc3 (25.a4 Rb8 26.Rb8 Rb8+–) 25...Rd7 26.Bb4 Bd8 27.Rc6 Be7 28.Be7 Ree7 29.Nc3 Re8 30.Rb1 Ra8 31.a4 Ra5 32.Rb5 Ra8 33.h3 Kh7 34.a5 Kg8 35.a6 Raa7 36.Ra5 Kh7 37.Nb5 Ra8 38.a7 Rb7 39.Rc7 Rb6 40.Rf7 Re6 41.Nc7 (41.Nc7 Ra7 42.Ra7+–) 1–0. Denney,Cyril – Jeffrey,J Thomas, IECC, 1997. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.d4 Be7)

9.Nbd2 Na5 10.Bd3 dc4 11.Nc4 Nc4 12.Bc4 b5 13.Bd3 Bb7 14.0-0 a6 15.Re1 Rc8 16.e4 Qa5 Black prepares b4 17.a4 (17.Ne5 Rfd8=) 17...b4+= 18.Qe2 h6 19.Nd2 Rfd8 20.g3 Qb6 21.Nb3 (21.a5 Qa7=) 21...Bf8 (21...a5 22.Rec1+=) 22.a5= Qd6 23.Nd2 Nd7 ½–½. Woelfelschneider,Peter (2335) – Richter,Wolfgang (2320), CiF–4er/high/0016, 2010.

9.Nbd2 b6 10.Bd3 Bb7 11.0-0 h6 12.Rc1 Rc8 13.Qe2 Bd6 14.e4 de4 15.Ne4 Ne4 16.Qe4 g6 17.c5 Na5 18.Qe3 bc5?? (better is 18...Bf3 19.cd6 Bd5+=) 19.dc5+– Bc5 (19...Bf3 20.cd6 Qd6 21.Qf3 Rb8+–) 20.Qh6 Bf2 21.Kh1 Bd4 22.Rc8 Qc8 23.Bg6 fg6 24.Qg6 1–0. Fritz 11 – renja52, 2013.

9.Nbd2 b6 10.Bd3 dc4 11.Nc4 Bb7 12.0-0 Rc8 13.e4 Na5 (13...Nb8!? 14.Ncd2 Nh5=) 14.Na5+/- ba5 15.Qe2 Qd7 16.h4 (16.Rab1 Rc7+/-) 16...Rfd8 17.e5 (17.Rab1!?+=) 17...Nd5= 18.Qe4 g6 19.Qg4 Bf8 (19...Nc3 20.Rac1 Na4 21.Rc8 Rc8 22.Ba1=+) 20.h5+= Bg7 21.Bc1 (21.Rfc1 Bh6 22.hg6 hg6 23.Rc8 Rc8=) 21...Ne7 (21...Nc3 22.Be3=) 22.Be3 Bf3 23.Qf3 Nf5 (better 23...Be5 24.Bg6 fg6 25.de5 Nc6+/-) 24.Rab1 (better 24.Bf5 ef5 25.hg6 hg6 26.Bg5+/-) 24...Nd4=+ 25.Qg4 (25.Qe4 Qc6 26.Qc6 Rc6=) 25...Nf5 (25...Be5 26.hg6 hg6 27.Bg5-/+) 26.Ba6 (26.Bf5 ef5 27.Qg3=+) 26...Rc7 (better 26...Ne3!? 27.fe3 Rb8-/+) 27.Bg5 Rf8 (27...gh5 28.Qh5 Rf8= (28...Be5 29.Rfd1 Bd4 30.Bd8 Qd8 31.Qg4 Kh8 32.Qf4+-)) 28.Bf6 (28.Rfd1!? Qe8 29.Bb5=) 28...Qd4 (better 28...Bf6 29.ef6 Qd6-/+) 29.Qg5?? (better 29.Qd4 Nd4 30.Rfc1 Rc1 31.Rc1 gh5 32.Be7=) 29...h6-+ 30.Rbd1 (30.Bg7 hg5 (30...Ng7?! 31.Qh6 Nh5 32.Qg5=) 31.Bf8 Kf8 32.hg6 Qe5 33.Rb8 Kg7 34.gf7 Kf7-+) 30...hg5 31.Rd4 Nd4 32.Bg5 Be5 (32...gh5 33.Re1-+) 33.Re1 Bg7 (33...f6 34.hg6 Nc2 35.Re4-+) 34.hg6 f6 (34...fg6!? 35.Bd3-+) 35.Be3 e5 36.f4 (36.Rb1 Rd8-+) 36...Nc2 37.Re2 (37.Rc1 f5 38.Bd3 Rc3 39.Rc2 Rd3-+) 37...Ne3 (37...Na3 38.Ra2 Nc2 39.Bd2-+) 38.Re3 ef4 39.Rf3 Bh6 40.Bd3 Kg7 41.Kf2 (41.Bf5 Rc5 42.g4 fg3-+) 41...Bg5 (41...f5 42.Bb5-+) 42.Ke2 (42.Rh3 Rh8 43.Rh7 Rh7 44.gh7 Rc3-+) 42...Rc3 (better 42...f5 43.Kd1-+) 43.Kd2 (43.Bf5 Re8 44.Kd2 Rc5-+) 43...Ra3 44.Rh3 (44.Bc4 Re3 45.Bf7 a4-+) 44...Ra2 (better 44...f3 45.Ke1 Rd3 46.gf3-+) 45.Kc3 Ra3 (better 45...f5 46.Bf1-+) 46.Kb2?? (46.Kd2 f3 47.Ke1 Rd3 48.gf3-+) 46...Rd3!-+ 47.Rd3 Kg6 48.Rd7 Rb8 49.Kc2 Rb4 50.Ra7 a4 51.Kc3 Re4 52.Kd3 (52.Ra6 Kf5-+) 52...Re3 53.Kd2 (53.Kc2 a3-+) 53...a3 (53...f3 54.gf3 Re7 55.Kc2 Ra7 56.Kb1 a3 57.Ka2 Kh5 58.Kb1 a2 59.Kb2 a1Q 60.Kb3 Rc7 61.Kb4 Qb2 62.Ka4 Ra7) 54.Ra6 (54.Kc2-+) 54…Rg3 (54...Rg3 55.Kd1 f3 56.gf3 Rf3-+) 0-1. jhonores (2160) - whitezombie (2130), Rated Blitz game, lichess.org, 2020.

9.Nbd2 b6 10.Be2 Bb7 11.0-0 Qd7 (11...Rc8 12.Rc1=) 12.Qb3 (12.Ne5 Qe8=) 12...Rfc8 (12...Na5 13.Qc2=) 13.Rfc1 (13.cd5 Nd5 14.Rac1 a6=) 13...Qd8 (13...Na5 14.Qd1=) 14.cd5 ed5 (14...Nd5 15.e4 Na5 16.Qd1=) 15.Bd3+= Rc7 (15...Bd6 16.Rc3=) 16.Bc3 (16.Rc3 Rac8 17.Rac1 Bd6+=) 16...g6 (16...Bd6 17.Ne5=) 17.a4 (17.Rc2 Rac8+=) 17...Rac8 18.Qb2 (18.Rc2 Ne4 19.Rac1 Nc3 20.Rc3 Nb4=) 18...Nb4 (18...Qd6 19.Rc2=) 19.Bb4+= Rc1 20.Rc1 Rc1 21.Qc1 Bb4 22.Ne5 (22.Qb2 Qd6+=) 22...Nd7 23.Ndf3 Ne5 24.Ne5 f6 25.Ng4 (25.Nf3 Qd7=) 25...Bf8 (25...h5 26.Qb1 Bc3 27.Ba6 Ba6 28.Qg6 Kf8 29.Nh6=) 26.h3 Qd6 (26...Bd6 27.Qb1 Kg7 28.Nh2=) 27.Qc2 (27.a5 Bg7+=) 27...Kg7 (27...Be7 28.Qd1=) 28.Nh2 Bc6 (28...Qc6 29.Qd1=) 29.Bb5 Bd7 (29...Bb7 30.Nf3=) 30.Nf1 (30.Nf3 Bf5 31.Qc6 Qc6 32.Bc6 Be6=) 30...Be6 31.Qc6 (31.Nd2 Bf5 32.Qc3 Kh8=) 31...Qc6 32.Bc6 Kf7 (32...Bb4 33.Ng3=) 33.Ng3 Ke7 (33...Bb4 34.e4=) 34.Ne2 Kd6 35.Bb5 (35.Ba8 f5=) 35...Bc8 36.Nc3 (36.Bd3 f5=) 36...a6 37.Be2 Ke6 38.Kf1 (38.e4 de4 39.Bc4 Kd7 40.Ne4 Bg7=) 38...Bb4 39.Nd1 (39.Na2 Ba5=) 39...Bd7=+ 40.Ba6 Ba4 41.Nb2 Bb3 42.Ke2 (42.Bb5 Bc3 43.Na4 Ba5=) 42...Bc3 (42...Ba3 43.Nd3=+) 43.Nd1= Ba5 44.Nb2 Kd6 (44...h6 45.Bb5=) 45.Bb5 Bc3 (45...f5 46.g3=) 46.Na4 Ba5 47.Nb2 (47.Kd3 h6=) 47...Bc2 (47...f5 48.g3=) 48.Na4 (48.g3 h6=) 48...g5 (48...h5 49.g4=) 49.Nb2 (49.g4 h6=) 49...h6 (49...h5 50.g3=) 50.Na4 (50.Bd3 Bb3=) 50...Be4 (50...h5 51.Nb2=+) 51.f3= Bg6 (51...Bc2 52.Nb2=) 52.Nb2 h5 53.g4 h4 54.Na4 (54.Nd3 Bh7=+) 54...Bf7 (54...f5 55.Bd3 Be8 56.Nb2 fg4 57.fg4=+) 55.Nb2 Be6 56.Nd3 Bc3 57.Kd1 Bf7 (57...Bc8 58.Kc2 Ba5 59.e4=) 58.Kc2 (58.f4 Be6=) 58...Ba5 59.Kd1 (59.f4 Be6=) 59...Bg6 60.Ke2 Bc3 61.Kd1 Ba5 62.Kc2 (62.Ke2 Bh7=+) 62...Bh7 63.Kd1 Ke6 (63...f5 64.gf5 Bf5 65.Nf2=) 64.Ke2 (64.Nb2 Bg6=) 64...Bc3=+ 65.f4 Bd3 (65...Be4!?=+) 66.Kd3+= Be1 (66...Bb2 67.fg5 fg5 68.e4=) 67.Ba6 (67.f5 Kd6=) 67...Bg3 (67...Kd6 68.fg5 fg5 69.Bb5=) 68.fg5 (68.f5 Kd6=) 68...fg5= 69.e4 de4 70.Ke4 Bf4 71.Bb5 (71.Kd3 Kd6=) 71...Kd6 72.Ba4 (72.Kd3 Kd5=) 72...Bc1 73.Be8 Bd2 (73...Bf4 74.Kd3=) 74.Bb5 Bf4 75.Ba4 (75.Kd3 Kd5=) 75...Ke6 (75...Bc1 76.Kd3=) 76.Bc6 (76.d5 Kd6=) 76...Bb8 (76...Kd6 77.Bb5=) 77.Be8 (77.d5 Kf6=) 77...Bf4 78.Bc6 Kd6 79.Bb5 Ke6 80.Bc4 (80.d5 Kd6=) 80...Kd6 81.Bb5 Bc1 ½–½. Bennett,Hilton Petrie – Noble,Mark Frederick (2320), South Island–ch NZL, 1991. (=1.a3 d5 2.b4 Nf6 3.Bb2 e6 4.e3 c5 5.bc5 Bc5 6.c4 0-0 7.d4 Be7 8.Nf3 Nc6)

9.Nbd2 Qc7 10.Bd3 Re8 11.0-0 b6 12.cd5 Nd5 13.Qc2 g6 14.e4 Nf6 15.Rac1 Bb7 (15...Bd7 16.d5! Nd5 17.ed5 ed5 18.Ne5+–) 16.d5! ed5 (16...Nd5 17.ed5 ed5 18.Bb5+–) 17.Bf6 1–0. ArendsoogNL – TheShrimp, playchess.de, 2003.

9.Nbd2 Re8 10.Be2 a6 11.0-0 dc4 12.Nc4 (12.Ne5 Bd7 13.Nd7 Nd7 14.Bc4 Rc8=) 12...b5 13.Nce5 Ne5 (13...Bb7 14.Bd3 Ne5 15.de5=) 14.Ne5 Bb7 15.Rc1 Rc8 16.Rc8 Qc8 17.Qb1 Bd6 18.Rc1 Qb8 19.Bd3 h6 (19...Rc8 20.Rc8 Qc8 21.f3=) 20.f3 (20.e4 Qa8 21.f3 Qa7=) 20...Be5 (20...Rd8 21.Kh1=) 21.de5 Nd5 22.Bd4 Rc8 23.Rc8 Qc8 24.Qc2 Qc2 25.Bc2 Ne7 26.Kf2 Bd5 27.f4 Nc6 28.Bc5 f6 29.e4 Bc4 30.ef6 gf6 31.g3 e5 32.Ke3 Kf7 33.Bd1 Kg7 (33...Ke8 34.Kd2+=) 34.Bg4 Bf7 (34...Kf7 35.h3+=) 35.Bd7 (35.Bc8 a5 36.Bd7 Nd4+/-) 35...Na5 36.Bc8 Nc4 37.Ke2 a5 (37...Bh5 38.Kd3 Nb2 39.Kd2+/-) 38.Bd7 b4 39.ab4 ab4 40.Bb4 Nb6 41.Bg4 Bc4 42.Kd2 Bb5 43.Bc5 Nd7 44.Bd6 Kf7 45.Ke3 Nb6 (45...ef4 46.gf4 Nb6 47.Kd4+-) 46.fe5 fe5 47.Be5 Kg6 (47...Nc4 48.Kd4 Ne5 49.Ke5+-) 48.Bc7 Nd7 49.e5 Kg5 50.Bh3 Ne5 (50...Nc5+-) 51.Be5 Bc6 (51...Bc4 52.Bd7+-) 52.Be6 Kg6 53.g4 h5 (53...Ba4+-) 54.Bf5 Kg5 55.h4! Kh6 (55...Kh4 A deflection 56.Bf6) 56.g5 1-0. Pereira – Valoise, internet, 2020.

9.Bd3 Qc7 10.Nbd2 h6 11.0-0 b6 12.Rc1 Bb7 13.cd5 ed5 14.Ne5 Qd6 15.Bb5 Na5 16.f4 a6 17.Bd3 Ne4 18.h3 ½–½. Lizak,Jakub – Jany,Mariusz (1785), VII Marek Piasta Memorial Tarnowskie Gory Poland, 2009.

9.cd5 Nd5 10.Nc3 Qa5 11.Qd2 Bd7 12.Bd3 Nc3 13.Bc3 Qc7 14.0-0 a6 15.Rfc1 Rac8 16.Bb2 Qb8 17.Ne5 Ne5 18.de5 Bc6 19.Qe2 Rfd8 20.Bd4 Rd5 21.Be4 (21.Rc3 Qa8+=) 21...Rdd8 (21...Rd7!? 22.Bc6 Rdc7=) 22.Bc6+= Rc6 23.Rc6 bc6 24.Qa6 Qc8 25.Qe2 Qd7 26.Rd1?? c5-/+ 27.g3 cd4 28.ed4? Qd5 29.f3 Bc5! 30.Kg2 Bd4 31.Rd2 Qe5 32.Qe5+– 1–0. Fournier,Frederic – Danissimo77, Partie evaluee, 1m + 1s, 2008.

9.c4 Ba6 10.Rc1 (10.Bd3 dc4 11.Nc4 Bb7= (11...Qd5 12.Rc1 Rc8 13.Qe2 Ne4 14.0-0 Nc6 15.h3) 12.0-0 Nc6 13.e4 b5 14.Ne3 Na5 15.Nd2) 10...dc4 11.Nc4 (11.Bc4 Bc4 12.Nc4 Nc6 13.0-0 Rc8 14.Nce5 Ne5 15.Ne5) 11...b5 (11...Qd5 12.Bd3 Rc8 13.Qe2 Ne4 14.0-0 Nc6 15.h3) 12.Ncd2 (12.Nce5 Ba3 13.Ba3 Qa5 14.Qd2 Qa3 15.Be2) 12...Qa5 (12...Qb6 13.Bd3 b4 14.Nc4 Bc4 15.Rc4) 13.Qb3 Nbd7 14.Bd3 (14.Be2 Rfb8= (14...Rac8 15.0-0) 15.0-0) 14...Rab8 (14...Rac8 15.0-0) 15.0-0 (15.Ra1 Rfc8=) 15...b4+= 16.a4 Bd3 17.Qd3 Qa4 (17...Nb6 18.Ra1+=) 18.Ra1 Qb5 19.Qb5 Rb5 20.Ra7 Rc8 21.e4 Rc2 (21...Bd6 22.Rc1 Rc1 23.Bc1+=) 22.Rb1= Bf8?? (better is 22...Bd6=) 23.e5+/– Nd5 24.Rd7 Nc3?? (better is 24...Ra5+/–) 25.Bc3+– bc3 26.Rb5 cd2 27.Nd2! Rd2 28.g3 1–0. Valeanu,E (2380) – Minescu,D (2200), ch–ROM, Baile Tusnad ROM, 2005. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.d4 Be7)

9.Bd3 Nc6 =.

9.Bd3 Qc7 =.

9.Ne5 Ba6 10.c4 =.

9.Ne5 Bb7 10.Bd3 Nc6 11.0-0 Ne8 (11...Rc8 12.Rb1=) 12.Nc6 Bc6 13.c4 Nf6 14.Rc1 Rc8 15.Qe2 Bb7 16.cd5 (16.f3 Bd6=) 16...ed5 (16...Qd5 17.f3=) 17.f3 (17.Bf5 Rc1 18.Rc1 Bd6+=) 17...Rc1 18.Rc1 Bd6 19.Nf1 (19.e4 Qe7=) 19...Re8 (19...Qe7 20.Qd2+=) 20.Ba6 (20.Bb5 Re6=) 20...Qb8 (20...Ba6 21.Qa6 Qe7 22.Rc8+=) 21.Bb7 (21.Bd3 Re7=) 21...Qb7 22.Qc2 h6 23.Qc6 Qe7 The isolani on a3 becomes a target 24.a4 Ba3 25.Qc3 Bd6 26.Qb3 Qe6 27.Ba3 Ba3 28.Qa3 Rc8 29.Rc8 Qc8 30.Qe7 Qa6 31.Qb4 Qd3 32.h3 h5 33.h4 Qe2 34.Qa3 Qe1 35.Qd3 Qh4 36.Qa6 Qe1 37.Qa7 Qb4 38.Qa8 Kh7 39.Qc6 Kg8 ½–½. Simagin,Vladimir – Flohr,Salomon, Ch URS Moscow (Russia), 1955.

9.Ne5 Bb7 10.Bd3 Nc6 11.Nc6 Bc6 12.0-0 (12.Nf3 Rc8+=) 12...Rc8 13.c4 Rc7 14.Rc1 Qb8 (14...dc4 15.Rc4 b5 16.Rc3=) 15.Qe2 (15.cd5 Nd5 16.Qh5 Nf6=) 15...Bd6 (15...Rfc8 16.cd5 Bd5 17.Rc7 Qc7 18.e4=) 16.h3 (16.Rc2 Rcc8 17.f4 Qc7=) 16...Re8 (16...Rfc8 17.Rc3=) 17.cd5 ed5 18.Nf3 Ree7 (18...Ba4 19.Ne5=) 19.Rc2 (19.Ne5 Qa8=) 19...Ba4 20.Rc7 Rc7 21.Rc1 Rc1 22.Bc1 Qc7 23.Qd2 (23.Bb2 Qe7=) 23...Ne4 (better is 23...Bb3=) 24.Qe1? (better is 24.Qb2=) 24...Nf2!–+ 25.Qf2 Theme: Deflection from c1 (25.Kf2 Decoy to f2 25...Bg3 A double attack) 25…Qc1 (25...Qc1 26.Ne1 Ba3–+) 0–1. Larsson,S – Ziese,Gerhard, corr 3GMM–22, 1995.

9.Ra2 =.

9.Bc1 Qc7 10.0-0 Bd7 11.Qe2 Nc6 12.Nbd2 Na5 13.a4 Rfc8 14.Bb2 Be8 15.Ne5 Nd7 16.f4 Nf8 (16...Nb6!?=+) 17.f5= f6 18.Ng4 Kh8 19.c3 Rd8 20.e4 Bh5 21.h3 Bd6 22.c4 (22.Rad1 ef5 23.Rf5 Ne6 24.Rh5 Nf4 25.Rh7 Kh7 26.ed5 Kh8=+) 22...de4 (22...dc4 23.Nc4 Nb3 24.Rad1 Bh2 25.Kh1 Nd4 26.Qe3 Bg4 27.hg4=+) 23.Ne4 (23.Qe4 ef5 24.Qf5 Bg6=+) 23...Nb3 24.Rad1 (24.fe6 Na1 25.Ba1 Ne6 26.Nef6 Bg4 27.Ng4=) 24...Bg4 (24...Bh2! 25.Kh1 Nd4 26.Bd4 Rd4=) 25.hg4 (25.Qg4!? Bh2 26.Kh1 Nd4 27.Nf6+=) 25...Bh2= 26.Kh1 Nd4 27.Bd4 Rd4 28.Nc3 Qe5 29.fe6 Ne6 30.Rf5 (30.Rf5 Qe2 31.Ne2 Rd3 32.Rd3=) 1-0. marekt – KnightOfTheNite, ChessWorld.net, 2022.

9.Qc1 Bd7 10.0-0 Rc8 (10...Bb5 11.Ne5+=) 11.Nc3 Qc7 12.Ne5 Nc6 13.f4 h6 (13...a6 14.Nd7 Qd7 15.Qd2+=) 14.Qe1 Rab8 (14...a6 15.Qf2=) 15.Ne2 (15.Qe2 a6=) 15...b5 16.Rf3 (16.Ng3 b4=). Jirousek,Jim V – Nemec,Zdenek, corr or01–011, 2001.

9.Qc1 Bd7 10.Nc3 Rc8 11.0-0 Bc6 12.a4 Na6 13.a5 Qc7 14.Ba3 Nb4 15.Ne2 (15.Qd2 Nd3 16.Be7 Ne4 17.Qd3 Qe7=) 15...Bd6 (15...Qa5 16.Qb1 Bf8-/+ (16...Nd3? 17.Be7 Qb5 18.cd3+–)) 16.Qd2= Qe7 (16...Qa5? 17.Rfb1+–) 17.Rab1 Ne4 18.Be4 de4 19.Ne5 (worse is 19.Bb4 ef3 20.Bd6 Qd6 21.gf3 Bf3-/+) 19...Bb5 Exerts pressure on the backward pawn 20.Bb4 (20.Rb4 Be2 21.Rfb1 Ba6 (21...Bb4?! 22.Bb4 Qc7 23.Qe2=) 22.Rb7 Bb7 23.Bd6 Qd6 24.Rb7 f6–+) 20...Bb4 21.Qb4 Qb4 22.Rb4 Be2 23.Rfb1 (worse is 23.Rb7 Bf1 24.Kf1 Rc2-/+) 23...Ba6 24.c4 f6 25.Nd7 Bc4 26.Rb7 Bd3 (26...Ba2 27.Rd1+=) 27.Re1 Ba6 28.Rb2 Bc4 29.Nc5 f5 30.h3 Bd5 31.Rc1 Kf7 32.Rbc2 Rc6 33.Rc3 ½–½. Fournier,Frederic (2550) – Maxphil57 (2560), Echecsemail.com (Team), 2013. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.d4 Be7)

9.Qc1 Bd7 10.Nbd2 Nc6 =.

8.Ra2 0-0 9.c4 Nc6 10.Nbd2 (10.Bd3 dc4 11.Bc4 Bd7 12.0-0 Rac8 13.Bd3 Rfd8=; 10.Be2 dc4 (10...Qc7 11.Nbd2 dc4 12.Nc4 b5 13.Nce5 Bb7=; 10...Bd7 11.0-0 Qc7 12.cd5 ed5 13.Qb3 Na5=) 11.Bc4 Bd7 12.0-0 Rac8 13.Nbd2 Na5=) 10...Bd7 (10...Qa5 11.Qb3 Ne4 12.Bd3 Rd8 13.c5 e5=) 11.Bd3 Rac8 (11...Qa5 12.0-0 Rac8 13.Ne5 Rfd8=) 12.0-0 Na5 (12...Rfd8 13.Qc2 dc4=) 13.c5 Qd8 (13...Qc7=) 14.Bc3 b5 15.Ba5 Qa5 16.Qc2 a6 17.Ne5 Qc7 (17...Be8!?+=) 18.Nd7+– ½–½. Woschkat,Karl_Heinz – Cardianus,Eric, IECG, 1999.

8.Ra2 Nc6 =.

8.Qc1 0-0 9.c4 =.

8.Qc1 0-0 9.Nbd2 (9.Bd3 Bd7=) 9...Nbd7 (9...Bd7 10.Bd3=) 10.Bd3 Qd8 (10...Rd8 11.c4=) 11.0-0 (11.c4 dc4 12.Qc4 b5=) 11...b6 12.c4 Bb7 (12...Ba6 13.Qc2=) 13.Qb1 (13.cd5 Nd5 14.Qb1 f5=) 13...Rc8 (13...dc4 14.Bc4 Rc8 15.Bd3=) 14.Rc1 (14.cd5 ed5 15.Ne5 Rc7=) 14...dc4= 15.Nc4 (15.Rc4 Rc4 16.Bc4 a6=) 15...h6 (15...Bf3 16.gf3 Kh8 17.e4=+) 16.Ncd2 (16.e4 b5 17.Ncd2 Qa5=) 16...Rc1 17.Qc1 Qb8 18.Qf1 (18.Qe1 Rc8=) 18...Qa8 (18...Rc8 19.e4=) 19.Qe2 a6 20.e4 b5 (20...Rc8 21.a4=) 21.e5 (21.a4 b4=) 21...Nd5 22.Qe4 g6 (22...N5f6 23.Qh4 Nd5 24.Qg4=) 23.Qg4 Kg7 24.Ne4 (24.a4 b4=) 24...N7b6 (24...Rc8 25.Nfd2=) 25.Bc1 (25.Nc5 Rc8+=) 25...Qd8 (25...Rc8 26.Nd6 Bd6 27.ed6=) 26.h4 (26.Ra2 Nc4=) 26...Rg8 (26...Nc4 27.h5 g5 28.Nfg5+–) 27.Rb1 (27.h5 g5+=) 27...Na4 (27...Qc7 28.h5 Nc3 29.Nf6 Bf3 30.Qf3+=) 28.Bd2 (28.h5 g5=) 28...Bc6 (28...Ba3 29.h5 g5 30.Rb3=+) 29.Qg3 (29.Rb3 Qd7=) 29...Nab6 (better 29...Ba3!? 30.h5 g5=+) 30.h5+= Nc4 (30...g5 31.Rc1 Nc4 32.Bc4 bc4 33.Rc4+–) 31.hg6 (31.Bc4 bc4 32.hg6 fg6+=) 31...Nd2 32.Ned2 Be8 (32...f5 33.ef6 Nf6 34.Ne5+=) 33.gf7+– Kf7 34.Qh2 Kg7 35.Qh3 Qc8 36.Ne4 (36.Qg3 Kf8 37.Qh2 Kg7+–) 36...Bg6 37.Nh4 Be4 (37...Bh7 38.Nd6 Qf8 39.Bh7=) 38.Qg4 Bg5 (38...Kf8 39.Qe4 Nc3 40.Qf4 Ke8 41.Rb3+–) 39.Qe4 Nf4 (39...Kf8 40.Qf3 Ke7 41.Nf5 ef5 42.Qd5+–) 40.Nf3 Nd3 41.Qd3 (41.Ng5 hg5 42.Qd3 Rf8+–) 41...Be7+– 42.Nd2 (42.a4 ba4 43.Qe4 a3+–) 42...Qc6 (42...Rd8 43.Rd1+–) 43.Ne4 Kh8 44.Qe3 Bg5 45.Qf3 Be7 46.Re1 Qd5 (46...Rg6 47.Re3+–) 47.Qh5 Kh7 48.Qf7 Rg7 49.Qe7! Re7 50.Nf6 Kg6 51.Nd5 ed5 52.Rc1 a5 (52...Kf5 53.f3+–) 53.Rc6 Kg5 54.f3 (better 54.Ra6!?+–) 54...Rb7+– 55.Kf2 b4 56.ab4 ab4 (56...Rb4!? 57.Ke3 Rb3 58.Kd2 a4+–) 57.Kg3+– Ra7 58.Rb6 Ra4 59.Rb5 h5 60.Rd5 h4 61.Kh2 Kf5 (61...b3 62.Rb5 Kf5 63.Rb3 Rd4 64.Re3+–) 62.Rb5 b3 63.Rb3 Rd4 64.Re3 Ke6 65.Kh3 Rc4 66.Re4 (66.g4 hg3 67.Kg3 Rc1+–) 66...Rc2 67.Rh4 (67.f4 Kf5 68.Rd4 Re2+–) 67...Ke5 68.Rb4 Rc3 69.Kg4 (69.Kh4 Kf6+–) 69...Rc8 (69...Kd5 70.f4+–) 70.f4 Kf6 71.Rb6 Kf7 72.f5 Rc2 73.g3 Rc7 (73...Rc3 74.Kf4+–) 74.Kg5 White plans f6 74...Kg7 (74...Ra7 75.Rh6 Ra3 76.g4+–) 75.g4 Ra7 (75...Kf7 76.Rh6 Rc4 77.Rh7 Kg8 78.Rd7+–) 76.f6 Kf7 77.Rb5 Ra8 (77...Kg8 78.Kf5+–) 78.Rb7 Ke6 79.f7 Rc8 (79...Rd8 80.Kg6+–) 80.Kh6 1–0. Fournier,Frederic (2500) – Lunka (2650), chess.com (team), 2010.

8.Qc1 Nc6 9.c4 Bd7 10.c5 (10.Nbd2 0-0=) 10...Qc7+= 11.Nc3 (11.Bd3 0-0=) 11...a6 (better is 11...0-0+=) 12.Ne5?? (better is 12.Bd3=) 12...Ne5–+ 13.de5 Ne4 (better is 13...Qe5!? 14.Na4 Qc7–+) 14.Ne4-/+ de4 15.Bd4 Rc8 16.Be2 Qa5 (16...Bc5!? 17.0-0 Bd4 18.ed4 Qc1 19.Rfc1 Ke7-/+) 17.Qd2+= Qd2 18.Kd2 Bc5 19.Rhc1 Bd4 20.Rc8 Bc8 21.ed4 f5 22.ef6 gf6 23.Bh5 (23.Ke3!?=) 23...Ke7+= 24.Rc1 (24.Ke3 Rg8 25.g4 Bd7 26.Ke4 Rc8-/+) 24...Kd6 (24...Bd7 25.Ke3-/+) 25.Ke3 (25.f3 f5-/+) 25...Bd7-/+ 26.Ke4 Bc6 27.Kf4 Bg2 28.f3 Bh3 29.Rb1 (better is 29.Bg4!? Bg4 30.fg4-/+) 29...b5–+ 30.a4 (30.Rg1 Rc8 31.Rg7 Rc4 32.Rh7 Bf5-/+) 30...Bf5 (30...Rb8 31.Ke3 b4 32.a5–+) 31.Rb2 Rb8 (worse is 31...ba4 32.Rb6 Kd7 33.Ra6-/+) 32.a5? (better is 32.ab5 ab5 33.Bg4 Bg4 34.Kg4–+) 32...Rc8 (32...Kd5 33.Ke3 Rc8 34.f4 Rc3 35.Kf2 Kd4 36.Bf7–+) 33.Bg4 (33.Rg2 Rc4–+) 33...Bg4 (33...Rc2 34.Rc2 Bc2 35.Ke3–+) 34.fg4 (34.Kg4 Kd5–+) 34...Rc4 (34...Kd5 35.g5 f5 36.Rb3–+) 35.Ke3 Ra4 (better is 35...b4 36.h4–+) 36.Rd2?? (36.Rf2 Ke7–+) 36...Ke7 (better is 36...b4 37.d5 Ra5 38.de6 Ke6–+) 37.Rc2 Rc4 38.Rf2 h6 (38...Rc1 39.Kd3–+) 39.Kd3 e5 (better is 39...Rc1–+) 40.de5+= fe5 41.h3? (41.Rf5 Rg4 42.Re5 Kd6+=) 41...Ke6 (better is 41...Rd4 42.Ke3 b4–+) 42.Rf8+= Ra4 43.Rh8 Ra5 44.Rh6 Kd5 45.g5 e4 46.Ke3 Ke5 (46...Ra3 47.Kf2+=) 47.Rb6= Ra3 48.Kf2 Rh3 49.g6 Rh8 50.Ra6 Rg8 51.Rb6 Kd4 52.Rd6 Kc4 53.Re6 Kd4 54.Rb6 Kc4 55.Ke3 b4 56.Rc6 Kb5 57.Rf6 b3 58.Ke4 b2 59.Rf1 Rg6 60.Rb1?? (better is 60.Kd3=) 60...Rg2–+ 61.Kd3 Ka4 62.Kc3 Ka3 0–1. Hristov,Boris (1640) – Borisov,Lubomir (1885), 9th International Open Chess Festival V, 2015. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.d4 Be7 7.e3 Qb6)

8.Qc1 Bd7 9.c4 0-0 10.Nbd2 Rc8 11.Ne5 dc4 12.Bc4 Ba4 (12...Bb5 13.Qd1=+) 13.0-0= Nbd7 14.Qb1 Ne5 15.de5 Nd5 16.Bd3 h6 17.Nc4 Qd8 18.Be2 (18.Bd4 Nf4 19.Nb2 Bc6=+) 18...Nb6 (18...b5!? 19.Nd6 Bd6 20.ed6 Qd6=+) 19.Rc1 Nc4 20.Bc4 b5 21.Be2 (21.Bd3 Rc1 22.Bc1 Rc8=) 21...Rc1 22.Qc1 a5 (22...Rc8 23.Qe1=) 23.Qe1 Rb8 24.Qf1 Qd7 25.Bd3 Bb3 26.Qb1 a4 27.h3 (27.Bd4 b4=) 27...Bd5 28.Qd1 Qb7 (28...Rd8 29.Bd4=+) 29.Qf1 (29.Qg4 Rc8=) 29...Rc8 30.Bb1 g5 (better 30...Rd8!?=+) 31.Qd3+/- The mate threat is Qh7 31...Kf8 32.Qh7 Threatening mate... how? 32...Ke8 33.Qh6 (33.e4 Bb3 34.Bd3 Bf8=) 33...b4 (33...Bg2!? 34.Qh8 Kd7-/+) 34.Qh8= Kd7 35.Qh7 ba3 36.Ba3 Ba3 37.Ra3 Rc1 38.Kh2 Qb1 (38...Rb1 39.Qf7 Kd8 40.Qf8 Kd7 41.Ra4+/-) 39.Qf7 Kc6 40.Qe8 (worse 40.Ra4 Rh1 41.Kg3 Rh3 42.Kg4 Rh8-+) 40...Kc7 Threatening mate... how? 41.Qe7 (41.Qa4?? Rh1 42.Kg3 Rh3 43.Kh3 Qh1 44.Kg4 Qh4) 41...Kc6 42.Qe8 (42.Qg5?? Rh1 43.Kg3 Bg2-+) 42...Kc7 43.Qe7 (43.Qa4?? Rh1 44.Kg3 Rh3 45.Kh3 Qh1 46.Kg4 Qh4) 43...Kb6 44.Qd8 Kb7 45.Qd7 ½-½. Pereira – Winston, internet, 2020.

8.Qc1 Bd7 9.Nbd2 Nc6 10.c4 Rc8 11.c5 Qc7 12.Bd3 0-0 13.0-0 Nh5 14.g4 Nf6 15.h3 b6 16.Qc3 Na5 17.Rfc1 bc5 18.dc5 Ne8 19.Ne5 Bf6 20.Ndf3 Rb8 21.Rc2 Ba4–+ 22.Re2 Nc6 23.g5 Rb3 24.Bh7? Kh8 25.Qe1 Ne5 26.Ne5 Be5?? 27.Be5+= Qe5 28.f4 Qc3 29.Qh4+/– Qa1?? 30.Bb1 (30.Bb1 Kg8 31.Qh7#) 1–0. Kukel,Imre (2010) – Danko,Dusan, SVK–chT3B, 1999.

8.Qc1 Bd7 9.Nbd2 Nc6 10.Bd3 0-0 (10...Qc7 11.c4=) 11.0-0 Rac8 12.Ne5 (12.c4 Qa5=) 12...Qc7 (12...Ne5 13.de5 Ng4 14.h3=) 13.f4 (13.c4 dc4 14.Qc4 Rfd8=) 13...a6 (13...Rfd8 14.e4=) 14.Qd1 (14.c4 Rfd8=) 14...b5+= 15.g4 (15.Qf3 Rfd8=) 15...Ne5 16.de5 Ne8 17.Rf3 (17.g5 Bc5 18.Bd4 f5=) 17...f5 (17...f6 18.ef6 Bf6 19.Bf6 Nf6 20.g5+=) 18.ef6 (18.gf5!? ef5 19.Rh3=) 18...Bf6+= 19.Bf6 gf6 (19...Nf6 20.g5 Nh5 21.Rf2+=) 20.Rh3 (20.a4 ba4 21.Ba6 Ra8+=) 20...f5 (20...Rf7!?+=) 21.gf5= ef5 22.Rg3 (22.a4 ba4 23.Rg3 Kh8=) 22...Kh8 23.Nf3 Nd6 (23...Nf6 24.a4=) 24.Ng5 (24.a4 Rg8=) 24...Rf6 (24...h6 25.Nf3=) 25.Kf2 (better is 25.a4=) 25...Ne4?? (better is 25...h6 26.Qh5 Rcf8+=) 26.Be4+– The mate threat is Nf7 26...h6 27.Bd3 hg5 28.Qh5 Kg7 29.Qg5 Kf7 30.Qg7 Ke6 31.Bf5!! Kf5 Decoy to f5 32.Qg4 Ke4 33.Qf3 Kf5 34.Qd5 Qe5 35.Qe5# 1–0. Puls,Georg – Walther,Joachim, corr DDR–ch M625, 1979.

8.Bb5 0-0+= 9.Nbd2 Qb6 (9...a6 10.Bd3=) 10.Bc6 (10.a4 a6 11.Bc6 bc6=) 10...bc6 (10...Qb2 11.Rb1 Qa3 12.Bb7 Bb7 13.Rb7+=) 11.Nb3 (11.Rb1 c5+=) 11...Ba6 12.Bc3 Rac8 (12...Rfb8 13.Nfd2+=) 13.Ne5 (13.Nfd2 Nd7=) 13...Bd6 (13...Rb8 14.Bb4 Bb4 15.ab4=) 14.Rb1 (14.Bb4!? Bb4 15.ab4=) 14...Qd8 (better is 14...Rb8+=) 15.Kd2?? (better is 15.Bb4 Ne4 16.Bd6 Qd6 17.Ra1+=) 15...Ne4–+ 16.Ke1 Nc3 17.Qc1 Nb1 18.Qb1 Be5 19.de5 Qb6 (19...Qg5!? 20.Kd2–+) 20.h4 (20.Qa1 Bc4 21.Nd2 Qa5–+) 20...c5 21.Qd1 c4 22.Nd4 Rb8 23.Kd2 (23.h5 f6 24.ef6 Rf6–+) 23...c3! 24.Kc3 Decoy theme: c3 (24.Ke1 Qb1 25.Ne2–+) 24…Qa5# 0–1. Dessing,Bastiaan – Langerak,Wouter, NED–ch U12 op, 2000.

8.c4 Qa5 9.Nbd2 dc4 10.Bc4 0-0 11.0-0 b5 12.Bd3 Bb7 13.Qc2 Rac8 14.Nb3 Qb6 15.Nc5 Bc5 (better is 15...Na5 16.Qe2 Bf3 17.Qf3 Nc4=) 16.dc5+– (16.Qc5?! Qc5 17.dc5 Na5+=) 16...Qd8 17.Bb5 Ne7 18.Be2 Ne4 19.Bg7! Kg7 20.Qb2 Kg8 21.Qb7 Nc5 22.Qa7 Kh8 (better is 22...Nd5 23.Rfc1 Rc7 24.Qc5 Rc5 25.Rc5 Qe7+/–) 23.Rac1 Rc7 (23...Qc7 24.Qc7 Rc7 25.Nd4+–) 24.Qa5 Qd5 (24...Qd6+–) 25.Qc7 (25.Qc7 Qb7 26.Qc5+–) 1–0. Fournier,Frederic (1990) – NN, Active, 2004.

8.c4 Qb6 9.Qc2 dc4 10.Nbd2 Na5 11.Nc4 Nc4 12.Bc4 Bd7 13.0-0 Rc8 14.a4 Qb4 (14...0-0 15.Ne5=) 15.Ne5 (15.Rfc1 Qa5+=) 15...a6 (15...Ng4 16.Ba3 (worse 16.Ng4 Qc4 17.Qb1 Ba4=) 16...Qa5 17.Ng4 Ba3 18.Ra3+/-) 16.Ba3 (16.Nd7? Nd7 (16...Qc4?! 17.Nf6 Bf6 18.Qb1=; worse 16...Rc4 17.Nf6 Bf6 18.Qd3+=) 17.Rfc1 b5-+) 16...Qb6 (16...Qa5!? 17.Be7 Ke7+/-) 17.Be7 Ke7 18.Rfb1 Qc7 19.Qb2 Bc6 (19...Ng4 20.Qb4 Ke8 21.Ng4 Qc4 22.Qb7 f6+/-) 20.Ba6! ba6 21.Rc1 Qd6 (21...Nd7 22.Rc6 Qc6 23.Nc6 Rc6 24.Qa3 Kf6 25.e4+-) 22.Nc6 Rc6 (22...Kf8 23.Qb7 Rc7 24.Qa8 Ne8 25.Rab1+-) 23.Qb7 Qd7 24.Qc6 (24.Qc6 Qc6 25.Rc6+-) 1-0. Pierre – Meckong, internet, 2020.

8.c4 dc4 9.Bc4 0-0 10.0-0 b6 11.Nc3 Bb7 12.Re1 Na5 13.Ba2 Bf3 (13...Rc8 14.e4=) 14.Qf3+= Rc8 15.Qe2 Nd5 (15...Qd7 16.Rac1+=) 16.Nd5+= ed5 17.Rac1 Qd6 18.e4 de4 19.Qe4 Rc1 20.Bc1 Bf6 21.d5 Nb7 22.Bb1 g6 23.Qf4 (23.Bh6 Bg7 24.Bg7 Kg7+=) 23...Qf4 24.Bf4 Nc5 25.Bc2 Rd8 26.d6 (26.Rd1 Bb2 27.a4 f5+=) 26...Bb2 (26...Bg7 27.Re7=) 27.a4 Ba3 28.Rd1 (28.Re7=) 28...Ne6 (28...Nb7 29.d7 Nc5 30.Bb8 Rd7 31.Rd7 Nd7 32.Ba7=) 29.Bg3 (29.Be5 Nc5 30.Rd5 Nb7=) 29...Kg7 (29...Nc5 30.a5=) 30.h3 (30.Be4 Kf6+–) 30...Kf6 (30...Nc5 31.Kh2+=) 31.Rd5 Bb2 32.a5 Nc5? (better 32...ba5 33.Ra5 Bd4+=) 33.Bh4+– Ke6 34.Rc5 (34.Bd8?! Kd5 35.ab6 ab6 36.Bb6 Kd6=) 34...bc5 35.Bd8 Kd6 36.Kf1 (better 36.Bb3 f6 37.a6 Bd4+–) 36...Kd5? (36...c4 37.Ke2+–) 37.Ke2 (better 37.Bb6!? Kc4 38.Ba7 Kb5 39.Bd3 c4+–) 37...Kd4?? (37...c4+–) 38.Bf6 (38.Bf6 Kd5 39.Bb2+–) 1–0. Janek – Usfwjaf, internet, 2019.

8.c4 dc4 9.Bc4 0-0 10.0-0 b6 11.Nbd2 Bb7 12.Rc1 Rc8 13.Bd3 Na5 (13...Nd5 14.Qb3=) 14.Rc8+= Qc8 15.Qb1 Qa8 16.e4 g6 (16...h6 17.Rc1+=) 17.Rc1 Rc8 18.Ne5 Rc1 19.Qc1 (19.Bc1!? Nc6 20.Bb2+=) 19...Ne4= 20.Qc7 Nd2 (20...Kf8 21.Nd7 Kg8 22.Ne4 Be4+-) 21.Qe7+/- Do you see the mate threat? 21...Qf8 22.Qc7 (22.Qf6 Qg7 23.Qf4+-) 22...Bd5? (22...f6 23.Nd7 Qf7+-) 23.Bc3+- Ndb3 (23...Ndc4 24.Bc4 Nc4+-) 24.Bb4 (24.Qa7?! Nb7+=) 24...Qe8 (24...Nc5 25.dc5 Nc6 26.Nc6 Bc6 27.Qc6 bc5 28.Qc5 Qd8+-) 25.Ng4 (25.Qa7?! Nb7 26.Qb6 Qc8+/-) 25...Kg7 26.Qe5 (26.Qe5 f6 27.Qf6 Kg8 28.Nh6) 1-0. Pereira – Trainee, internet, 2020.

8.c4 dc4 9.Bc4 Bd7 10.Nbd2 a6 11.0-0 b5 (11...0-0 12.Bd3+=) 12.Bd3 Rc8 13.Rc1 Nd5 (13...0-0 14.Qe2+=) 14.Nb3+/- 0-0 15.Nc5 Bc5 (15...Na5 16.Ne5 Bc5 17.dc5+/-) 16.dc5 f6 17.Qc2 h6 (17...f5 18.Rfd1+/-) 18.Rfd1 Qe7 19.Nh4 Rfe8?? (better 19...Be8+/-) 20.Bh7+- Kh8 (20...Kf7 21.Qg6 Kf8 22.Qh5+-) 21.Ng6 Kh7 22.Ne7 Kh8 23.Nc8 (23.Nc8 Bc8 24.Qg6+-) 1-0. Adlai – Arkac, internet, 2021.

8.Nbd2 0-0 9.c4 dc4 10.Nc4 a6 11.Bd3 b5 12.Nce5 Ne5 13.Ne5 Qa5 14.Qd2 Qb6 15.0-0 Bb7 16.f3 b4 (better is 16...Rfc8!?+=) 17.ab4+– Bb4 18.Bc3 a5 (18...Nd5!? 19.Nc4 Bc3 20.Qc3 Qb4+/–) 19.Rab1+– Qd6 20.Rb4 ab4 21.Bb4 Qd5 (21...Qb8 22.Bf8 Qf8 23.Rb1+–) 22.Bf8 Rf8 23.Qb4 Rb8 (23...Ba8+–) 24.Rb1 Qd8 25.Nc6!! Bc6 26.Qb8 (26.Qb8 Qb8 27.Rb8 Be8 28.e4+–) 1–0. Janek – Nicolaie, internet, 2016.

8.Bd3 0-0 9.0-0 a6 10.Nbd2 h6 11.c4 dc4 12.Nc4 b5 13.Nce5 Ne5 14.Ne5 Bb7 15.Be2 Rc8 16.Bf3 Bf3 17.Nf3 Nd7 18.Rc1 Qb6 19.Qd2 a5 Black plans b4 20.Rc8 Rc8 21.Rc1 Rc1 22.Qc1 b4 23.ab4 ab4 24.Ne5 Ne5+= 25.de5 Qc5 26.Qc5 Bc5 27.Kf1 Kf8 28.Ke2 Ke7 29.Kd3 Kd7 30.Kc4 Kc6 31.Bd4 Be7 32.f3 g6 33.e4+= h5 34.g4 hg4 35.fg4 Bf8 ½–½. Fournier,Frederic – Platoto (2150), Partie amicale, 1m + 0s, 2008.

8.Bd3 a6 9.Nbd2 b5 10.Nb3 Bb7 11.c3 Qc7 12.Bc2 (12.a4!?=) 12...Rc8 13.Qd3 Ne4 14.Nfd2 Na5 15.Na5 Qa5 The pressure on the backward pawn c3 grows 16.Ne4 de4 17.Qd1 0-0 (17...Rc3 18.Qd2 b4 19.ab4 (19.Bc3?! bc3 20.Qd1 0-0=) 19...Rc2 20.ba5 (worse is 20.Ra5 Rd2 21.Kd2 Bb4 22.Bc3 Ba5 23.Ba5 Kd7-/+; 20.Qc2?! Bb4 21.Kf1 Qb5 22.Kg1 0-0=) 20...Rd2 21.Kd2+–) 18.0-0 f5 19.Bb3 Bd5 20.Bd5 ed5 21.Qb3 (21.a4!?+=) 21...Rc4-/+ 22.g3 Rf6 23.Ra2 Rh6 24.Rfa1 Qb6 25.Rb1 (25.a4 ba4 26.Qb6 Rb6-/+) 25...g5 (25...Rh3 26.Kg2 Qh6 27.Rh1–+) 26.Bc1 Qg6 27.f4 (27.a4!? Qh5 28.f3-/+) 27...ef3–+ 28.Rf2 (28.a4 f4! 29.ef4 Qe4–+) 28...g4 (28...Qh5!? 29.Qc2–+) 29.a4 b4 (29...Qf7 30.ab5 Rb6 31.Qa2 Rb5 32.Rb5 ab5 33.Qa8 Kg7 34.Bd2–+) 30.cb4-/+ Bb4 31.Bd2 a5 32.Bb4 ab4 (32...Rb4?! 33.Qd5 Qf7 34.Qd8 Qf8 35.Qd5 Qf7 36.Qa8 Kg7 37.Rb4 ab4 38.Qa5=) 33.Rc2 Qe6 34.Rbc1 f2 35.Kf2? (better is 35.Kf1 Rc2 36.Rc2-/+) 35...Rh2–+ 36.Kg1 Rcc2 37.Rc2 Rc2 38.Qc2 Qe3 39.Qf2 0–1. Estevez,Eric (1980) – Zejneli,Skender (1850), Provence–ch access Vitrolles, 1999.

6.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3).

6.e3 0-0 7.c4 Nc6 8.d4 Bd6 9.Nbd2 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3 Nc6 7.d4 Bd6 8.Nbd2 0-0 9.c4).

6.e3 0-0 7.d4 Bb6 (--> 6.d4 Bb6 7.e3 0-0).

6.e3 0-0 7.d4 Be7 (--> 6.d4 Be7 7.e3 0-0).

6.e3 0-0 7.Be2 Nc6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3 Nc6 7.Be2 0-0).

6.e3 a6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 a6 5.Nf3 c5 6.bc5 Bc5).

6.a4 a5 7.g3 Bd6 8.Bg2 0-0 9.Nbd2 Nc6 10.0-0 Bd7 11.Nb3 Qc7 12.c3 bc3 13.Bc3 Bb4 14.Rc1 Qb6 15.Qc2 Rac8 16.Qb2 Bc3 17.Rc3 Nb4 18.Nfd2 Rc3 19.Qc3 Rc8 20.Qb2 Ba4 21.Rc1 Rc1 22.Qc1 h6 23.Qb2 Bc6 24.Nd4 Qa6 25.Qc3 Qb6 26.N2b3 a4 27.Na1 Na2 28.Qc2 Nb4 29.Qd2?? Qc5 30.Nf3 a3 31.Ne5 Ba4 32.Bf1 Nc2 33.Nc2 Qc2 34.Qa5 a2 35.Qd8 Kh7 36.Nf7 Be8 37.Nd6 a1Q 38.Ne8 Ne8 39.Qe8 Qe2 40.Qh5 Qef1# (40...Qaf1#) 0–1. linakip – haruth, kurnik, 2011.

6.a4 Be7 7.g3 0-0 8.Bg2 Nbd7 9.Nbd2 b6 10.Nb3 Bb7 11.a5 Bc5 12.a6 Bc6 13.d4 Bd6 14.0-0 Rc8 15.e3 Bb5 16.Re1 Qc7 17.Bf1 Qc2 18.Qc2 Rc2 19.Rab1 Bf1 20.Kf1 Rfc8 21.Nbd2 Nb8 22.Red1 h6 23.Ne1 R2c6 24.Ra1 b5 25.Nb3 Na6 26.Ra5 R8c7 27.Rb5 Rb6 28.Ra5 Rcc6 29.Nd3 Ne4 30.Ndc5 Nec5 31.dc5 Bc5 32.Nc5 Nc5 33.Ra7 Ra6 34.Ra6 Ra6 35.Bd4 Ne4 36.Kg2 b3 37.f3 Ng5 38.Rb1 Ra2 39.Rb2 Rb2 40.Bb2 f6 41.h4 Nf7 42.Kf2 Nd6 43.Ke2 Nb5 44.Kd3 Kf7 45.Kd2 e5 46.Bc1 Ke6 47.Bb2 g5 48.h5 f5 49.Kd3 g4 50.f4 ef4 51.ef4 Kd6 52.Be5 Ke6 53.Kd2?? Kf7 54.Kc1 Ke7 55.Kb2 Kd7 56.Kb3 Na7 57.Kb4?? Nc6–+ 58.Kc5 Ne5 59.fe5 Ke6 60.Kd4 f4! 61.gf4 g3 62.Ke3 Kf5 63.Kf3+– d4 64.Kg3 d3 65.Kf3 d2 66.Ke2 1–0. linakip – nilfork, kurnik, 2011.

6.ab4 Bb4 7.Bc3 Bc3 (7...Bc3 8.Nc3 0-0-/+) 0–1. birruga (1845) – eduqueiroga, net–chess.com, 2006.

6.ab4 Bb4 7.Nbd2 0-0 8.g3 Nc6 9.Bg2 Be7 10.0-0 Qc7 11.c4 b6 12.Rc1 dc4 13.Nc4 Qd7 14.Nce5 Ne5 15.Ne5 Qb5 16.Rb1 Rb8?? (16...Nd5 17.Bd4 Qe8 18.Qb3=+) 17.Ba3 (better is 17.Nc6 Rb7 18.Bf6 Qb1 19.Ne7 (19.Be7?! Qd1 20.Rd1 Re8+–) 19...Re7 20.Qb1 (20.Be7?! Qd1 21.Rd1 Re8+–) 20...gf6 21.Qb4+–) 17...Qe8 18.Be7 Qe7 19.Nc6 Qc7 20.Nb8 Qb8 21.Qa4 Bd7 22.Qa3 Rc8 23.Ra1 a5 24.Rab1 a4 25.Rb4 b5 26.Rfb1 Nd5 27.Rd4 Bc6 28.Rc1 1–0. linakip – red2809, kurnik, 2011.

6.e3 Nc6 -/+.

6.ab4 Qb6 7.c3 (7.b5 Nbd7=) 7...Bd7 8.Be2 Bb5 9.0-0 Be2 10.Qe2 Nc6 11.d4 a6 12.Nbd2 Bd6 13.Rfb1 Qc7 (13...0-0 14.e4 Bf4 15.e5=) 14.h3 (14.b5!? Nb8 15.c4+=) 14...0-0= 15.b5 ab5 16.Qb5 Ra1 17.Ra1 Ne4 (better is 17...Rc8=) 18.Ne4+/– de4 19.Nd2 (19.Ng5!?+/–) 19...f5+= 20.Ba3 Ba3 21.Ra3 Rc8 22.c4 Nd8?? (22...Rd8!?+=) 23.c5 (23.Qe8) 23...Nc6 24.Nc4 Nb8? 25.Nd6 Qc6 26.Nc8 Qb5= 27.Nd6?? Qd7 28.Ra8 Qc7 29.Ra7 Qc6?? 30.Rb7?? Nd7–+ 31.Kh2 g6 32.Ra7 Kg7 33.g3 Kh6 34.Kg2 Nc5?? 35.Nf7+/– Kh5 36.dc5?? Qc5–+ 37.Rb7 Qc6 38.Ra7 f4?? 39.gf4 e5?? 40.Ne5+– Qe6 41.Rf7 Kh4 42.Rh7 1–0. Fournier,Frederic (1870) – Giuseppe61 (1615), Active (5/0), 2005.

6.ab4 Nc6 7.c3 (7.b5 Nb8+=) 7...Bd7 8.d4 Be7 (8...a6 9.b5 ab5 10.Ra8 Qa8 11.Bb5+=) 9.Bd3 0-0 10.Nbd2 Re8 11.0-0 Bf8 12.b5 Ne7 13.Qc2 a6 (13...Nf5 14.Ba3+=) 14.ba6+/– ba6 15.Ra6 Ra6 16.Ba6 Qb6 17.Bd3 Qd6 18.Ne5 Nc6 19.Nc6 Bc6 20.c4 Ng4 21.g3 dc4 (better is 21...Nf6!?+/–) 22.Nc4+– f5?? (22...Qe7 23.Bh7 Kh8+–) 23.Ne5 (better is 23.Nd6 Rd8 24.Qc6 Bd6 25.Qb6+–) 23...Ne5+= 24.de5 Qd5 25.f3 Bc5 26.Qe2 Rb8 27.Bc3 Bb5? 28.Bb5?? Rb5+/– 29.Kg2 Rb3 30.Rd1 Qa8? 31.Qc4+– Qa2 32.Rd2 Qb1 33.Qe6 Kh8 34.Rd8 (34.Rd8 Bf8 35.Rf8) 1–0. Fournier,Frederic (1825) – portis (1710), Active (4/0), 2004.

6.Bb5 Nc6 7.Bc6 bc6 8.0-0 ba3 9.Ba3 Ba3 10.Na3 0-0 11.d4 a5 12.Qd3 Ba6 13.c4 Ne4 14.Rfc1 Nd6 15.Ne5 (15.Nd2 Qf6=+) 15...Qe8 (15...f6 16.Nf3-/+) 16.Qc3 (16.Qc2 f6 17.c5 Nb7-/+) 16...f6-/+ 17.c5?? (17.Nf3 Bc4 18.Nc4 Nc4-/+ (18...dc4?! 19.Nd2=)) 17...Nb5 (better 17...Ne4 18.Qc2 fe5-+) 18.Nb5-/+ Bb5 (worse 18...fe5 19.Nd6 Qg6 20.Ra5+=) 19.Nf3 a4 20.Rab1 Qb8 (20...Qg6 21.Rb4-/+) 21.Ra1 Qa7 22.h4 (22.Ra3 Qa5 23.Qb2 Rfb8-/+) 22...Rfb8 23.h5 (23.Ra3 Qa5 24.Qc2 Bc4-/+) 23...h6 (23...Be2 24.h6-+) 24.Nh4-/+ Be2 25.f3 Bc4 26.Kf2 (26.Ng6 Rb3 27.Qe1 a3-/+) 26...Rb3-+ Black plans a3 27.Qd2 Rab8 28.Rc2? (28.Kg1 a3-+) 28...a3 (better 28...Bd3 29.Rca2 Qc7-+) 29.Ng6? (better 29.Qc1-+) 29...Rb2 (29...Rb1 30.Qc3 R8b3 31.Rb1 Rb1 32.Ne7 Qe7 33.Qa3 Rf1 34.Kg3-+) 30.Rac1?? (better 30.Rb2 ab2 31.Ra7+/-) 30...Rc2-+ 31.Rc2 a2 32.Ra2 Qa2 (better 32...Ba2!? 33.Kg1-+) 33.Qa2 Ba2 34.Kg3 (34.Ne7 Kf7 35.Nc6 Rb2 36.Kg3 Ke8-+) 34...Kf7 35.Ne7 (35.Nh4-+) 35...Ke7 36.Kf4 Rb3 37.e4 de4 (37...Rd3 38.ed5 Rd4 39.Kg3 Rd5 40.Kh4-+) 38.fe4 Rb2 (38...Rd3 39.Kg4-+) 39.g4 Rd2 (39...Bb1 40.e5 Rd2 41.Ke3 Rd3 42.Kf2 Rd4 43.Kg3-+) 40.Kg3 (40.Ke3 Rd1-+) 40...Rd4 41.Kf4 Rc4 (41...Rd3 42.e5 Bd5 43.g5 hg5 44.Kg4 Bb3 45.ef6 gf6 46.h6 Bd1) 42.g5 Rc5 43.gh6 gh6 44.Ke3 Rh5 45.Kd4 Re5 46.Ke3 Re4! 47.Ke4 Bd5 48.Kf4 h5 49.Ke3 h4 50.Kf4 h3 51.Kg3 Bg2 52.Kh2 c5 53.Kg3 c4 54.Kf2 c3 (54...e5 55.Ke2 h2 56.Kd1 h1Q 57.Kd2 Qh4 58.Kc3 Qd4 59.Kb4 Qb2 60.Kc5 f5 61.Kc4 Bf1 62.Kd5 Qb5) 55.Ke3 (55.Ke2 Be4 56.Ke1 c2 57.Kd2 h2 58.Kc3 c1Q 59.Kb3 Qc2 60.Kb4 Qb2 61.Kc4 h1Q 62.Kc5 Qhc1) 55...c2 56.Kd2 (56.Kd3 c1Q 57.Ke2 h2 58.Kf2 h1Q 59.Kg3 Qe3 60.Kg4 f5) 56...c1Q! 57.Kc1 h2 58.Kd2 h1Q 59.Ke3 (59.Kc2 Be4 60.Kc3 e5 61.Kd2 Qf3 62.Ke1 Qd3 63.Kf2 Qd2 64.Kg3 Qe3 65.Kh4 Bf5 66.Kh5 Qg5) 59...Qf1 (59...Qc1 60.Kf2 Qd2 61.Kg3 e5 62.Kh2 Bf1 63.Kg3 Qf4) 60.Kd4 (60.Kd2 Qc4 61.Ke3 Qc2 62.Kd4 e5 63.Ke3 Bf1 64.Kf3 Qf5 65.Ke3 Qf4) 60...Qf3 (60...Qc1 61.Kd3 f5 62.Kd4 f4 63.Kd3 Bf1 64.Ke4 Qe3) 61.Kc5 Qd5 (61...Qa3 62.Kb5 Bf1 63.Kb6 Qa6 64.Kc7 Bg2 65.Kb8 Qb7) 62.Kb4 Qc6 63.Kb3 Kd6 64.Kb2 Kd5 65.Kb1 (65.Kb3 Be4 66.Kb2 Qc2 67.Ka3 f5 68.Kb4 Qb2 69.Ka4 Kc4 70.Ka5 Qb5) 65…Qc4 (65...Qc4 66.Kb2 Qb4 67.Kc2 Be4 68.Kd1 Qb2 69.Ke1 Bd3 70.Kd1 Qe2 71.Kc1 Qc2; 65...Be4 66.Kb2 Qc2 67.Ka3 f5 68.Kb4 Qb2 69.Ka4 Kc4 70.Ka5 Qb5) 0-1. Amon44 (2110) - luis_alfredop (2175), Rated Bullet game, lichess.org, 2015. (=1.a3 A00: Irregular Openings 1...e6 2.b4 Nf6 3.Bb2 d5 4.e3 c5 5.Nf3)

6.Bb5 Bd7 7.Bd7 Nbd7 8.ab4 Bb4-/+.

6.Bb5 Bd7 7.Qe2 a6 8.Bd7 (8.Bd3 Nc6-/+) 8...Nbd7 9.0-0 Be7 (9...ba3 10.Na3 b5 11.d3-/+) 10.ab4 Bb4 11.c4 (11.Na3 0-0-/+) 11...0-0 12.Nc3 (12.cd5 Nd5 13.e4 Nf4-/+) 12...Nb6 (12...dc4 13.Qc4 Be7 14.Qe2-/+) 13.cd5 Nfd5 (13...Nbd5 14.Nd5 Nd5 15.Bd4-/+) 14.Ne4 (14.Nd5 Nd5 15.e4 Nf4-/+) 14...Be7 (14...a5 15.Rfc1-/+) 15.Bd4=+ Nb4 16.Rfc1 Nc6 (16...Nd7 17.Bc3=+) 17.Bb2 Qd5-/+ 18.Nc3 Qd8 19.d4 Nd7 20.d5 ed5 21.Nd5 Bf6 22.Nf6= Nf6 23.Rd1 Qe7 24.Qc2 Rfd8=+ 25.Rdb1 Rd7 26.Ra4 Rc8 27.h3 h6 28.Rf4=+ Ne8 (29.Ne5 Rd5 30.Nf7 Qe6=+). Phan Dan Huyen – Nguyen Ngan Binh, VIE–ch (Women), 2002.

6.d3 ba3 7.Na3 Bd7 8.Be2 a6 9.0-0 Bd6 10.c4 Nc6 11.cd5 ed5 12.Qb3 Na5 13.Qc3 Rc8 14.Qd2? (better 14.Qe1-/+) 14...Nb3-+ 15.Qd1 Na1 16.Qa1 0-0 17.Nd4 Qe7 18.Bf3 Bg4 19.h3 (19.Bg4 Ng4 20.h3 Nh6-+) 19...Bf3 20.Nf3 Rfd8 21.Bd4 (21.Nb1 Rd7-+) 21...b5 (better 21...Ba3 22.Bf6 gf6-+ (22...Qf6?! 23.Qa3 Rc3 24.Qb2-+)) 22.Nb1 Ne8 (22...Qe6 23.Bb2-+) 23.Nbd2 (23.Qa6 Nc7 24.Qa1 Ne6-+) 23...f6 (better 23...Rc6!? 24.e4 Bb4 25.Rb1-+) 24.Qa6 Bc5 (better 24...Nc7 25.Qa1 Ra8-+) 25.Qb5=+ Bd4 26.Nd4 Rb8 27.Qc6 Qc7?? (27...Qd6 28.Ra1=+) 28.Qe6?? (better 28.Qc7 Nc7 29.Nc6+/-) 28...Kh8=+ 29.N2f3 Qd6 (29...Rb6 30.Qf5=+) 30.Qg4 (30.Qd6 Rd6 (worse 30...Nd6 31.Nc6+-) 31.Kh2 Nc7=+) 30...Nc7 (30...Qd7 31.Qd7 Rd7 32.Ra1=+) 31.h4 (31.Rc1 Nb5=) 31...Re8 (31...Na6 32.Ra1=+) 32.Nf5 (32.Qg7 Kg7 33.Nf5 Kg6 34.Nd6 Red8 35.h5 Kh5=+) 32...Qf8 33.h5 Ne6 34.N3d4 Nd4 35.Nd4 Rb6 36.Nf5 Reb8 37.d4 Rb1 38.Rb1 Rb1 39.Kh2 Qb8 40.g3 Rb7 (40...Qc7 41.h6 g6 42.Ne7=) 41.Kg2 (41.Nd6 Ra7=+) 41...Qe8 (41...Qc8=+) 42.Qf4 (42.h6 g5=) 42...Qe4 (42...Qh5!? 43.Qd6 Qf7-/+) 43.Qf3 (43.Qe4 de4 44.g4 Rb6=) 43...Qf3 44.Kf3 g6 45.Nd6 Rd7 46.Ne8 Rf7 47.Nd6 Rf8 (47...Ra7 48.h6=+) 48.g4 (48.h6 Rb8=+) 48...Kg7 49.Nb5 Rd8 50.Nc7 Kf7 51.hg6 hg6 52.Kf4 Rb8 (better 52...Rd7!? 53.Na6 Ra7=+) 53.Nd5+= Rb2 54.f3 Rd2 (54...Ke6 55.Nc7 Kd6 56.Na6+=) 55.Nc3 (55.g5 f5+/-) 55...Rc2 56.Ne4 White intends g5 56...Ra2 57.g5 fg5 (57...f5 58.Nc5+/-) 58.Ng5+- Kf6 59.e4 Ra4 (59...Rd2 60.d5 Rd1 61.e5 Ke7 62.d6 Kd7 63.Nh7+-) 60.d5 Rd4 61.Ne6 (61.Nh7 Ke7+-) 61...Rd1 62.Nc5 Ke7 (better 62...g5 63.Kg3 Rg1 64.Kf2 Ra1+-) 63.Ke5 Rf1 64.f4 Rd1 65.Ne6 Rc1 66.d6 Kd7 (66...Ke8 67.Kf6 Rg1 68.e5+-) 67.Nf8 Kc6 68.Ng6 Rc5 (68...Kd7 69.Nf8 Ke8+-) 69.Ke6 White prepares the advance e5 69...Rc4 (69...Ra5+-) 70.e5 (70.e5 Ra4 71.Ne7 Kb7 72.f5+-) 1-0. Atilla_10 (2130) - luis_alfredop (2150), Rated Blitz game, lichess.org, 2015.

6.Bd3 Nc6 7.0-0 Bd7 8.Re1 (8.ab4 Bb4 9.c4 dc4 10.Bc4 0-0=+) 8...Bd6-/+ 9.ab4 Nb4 10.Bf1 (10.Be5 Qc7 11.Bd6 Qd6-/+) 10...0-0 11.Nc3 a6 (11...Qc7 12.g3-/+) 12.e4 de4 13.Ne4 Ne4 14.Re4 Be7 (14...f5 15.Re1=+) 15.Rg4 f6 16.c3 (16.Bc4 Rf7=+) 16...Nc6 (16...Nd5 17.Qb3-/+) 17.d4 (17.Qb3 Kh8=+) 17...e5 18.Rg3 ed4 19.cd4 (19.Bc4 Kh8 20.Nd4 Bd6 21.Nc6 Bc6-/+) 19...Be6 20.Bd3 Kh8 (20...Nb4!? 21.Qe2 Qd7=+) 21.Nh4 f5?? (better 21...Qd5 22.Rc1 Bd7=+ (worse 22...Nd4 23.Bd4 Rac8 24.Bc2+-)) 22.d5+- Bh4 23.Bg7 (23.de6 Bg3 24.hg3 Qd5-+) 23...Kg8 24.Bf6 (24.de6?! Bg3 25.Bf8 Bf2 26.Kf2 Qd4 27.Kf1 Rf8=+) 24...Bg3 25.Bd8 Bf2?? (25...Bd5 26.hg3 Rad8 27.Bf5 Ne7 28.Qg4 Kh8+-) 26.Kf2 Rad8 (26...Bd5 27.Bg5 Be6 28.Be2+-) 27.de6 Ne5 (27...Rf6 28.Qb3 Re8 29.Qb7+-) 28.e7 Nd3 (28...Rd3 29.Qh5 (29.ef8B?! Rd1 30.Rd1 Kf8+/-; 29.ef8N?! Rd1 30.Rd1 Kf8+-) 29...Ng6 30.ef8B Nf8 31.Qg5 Ng6 32.h4+-) 29.Kg1 1-0. allyouneedisluft (2490) - chessninja48 (2385), Rated Bullet game, lichess.org, 2017. (=1.Nf3 Nf6 2.a3 e6 3.b4 d5 4.Bb2 c5 5.e3)

6.Bd3 Bd6 7.ab4 Bb4 8.c4 0-0 9.0-0 dc4 10.Bc4 Nc6 11.Nc3 Na5 12.Be2 b6 13.Qa4 Qe7 14.Ne5 Bb7 15.Nd3 Bd6 16.Nb5 Bc6 17.Be5 Bb8 18.Bb8 Rfb8 19.Ne5 a6 20.Nc6 Nc6 21.Rfc1 Qd7 22.Nc7 Qc7 23.Rc6 Qd7 24.Qc2 a5 25.Bb5 Qd8 26.d4 Nd5 27.Qa4 Rc8 28.Rac1 Rc6 29.Bc6 Rc8 30.Rc4 Nb4 31.Bb5 Kf8 32.Qb3 Rc7 33.Qc3 Nd5 34.Qc2 Rc4 35.Bc4 Qc7 36.Qd3 Nb4 37.Qe2 0–1. guest641 – crafty, ICC, 1999.

6.Be2 ba3 7.Na3 Nc6 =+.

6.Be2 Nc6 7.0-0 a6 8.d3 (8.ab4 Bb4 9.Ba3 Ba5-/+) 8...b6-/+ 9.c3 (9.ab4 Bb4 10.Ba3 Bd6-/+) 9...bc3 10.Nc3 Bd7 (10...Bd6 11.Na4-/+) 11.Qb3 Bd6 12.a4 0-0 (12...Na5 13.Qa2-/+) 13.Rab1 (13.Ba3 Ba3 14.Ra3 d4 15.ed4 Bc8-/+) 13...Na5 14.Qa2 Rc8 (14...Qe7 15.Ba1 Rfb8 16.Qd2-/+) 15.Rfc1 Bc6 (15...d4 16.ed4 Bc6 17.Ba3-/+) 16.Ba3 Bb7 17.Qb2 (17.d4 Ba3 18.Qa3 Nd7=+) 17...Ba3-/+ 18.Qa3 Nd7 19.Qb4 (19.Rc2 Qf6-/+) 19...Qf6 (19...Nc6 20.Qg4-/+) 20.Nd2 Rc7 21.d4 Rfc8 22.Rc2 e5 (Black gets in control) 23.e4? Nc6–+ 24.Nd5 Nb4 25.Nf6 gf6 26.Rc7 Rc7 27.Rb4 Rc2 28.Nc4 Re2 29.f3 ed4 30.Nb6 a5 31.Rb1 d3 32.Nd7 d2 33.Rd1 Re1 34.Kf2 Rd1 35.Ke2 Rg1 36.Kd2 Rg2 37.Kc3 Rh2 38.Nf6 Kf8 39.Nd7 Ke7 40.Nc5 Bc6 41.Nb3 Ba4 42.Nd4 h5 43.Nf5 Ke6 44.Kd4 h4 45.Ke3 h3 46.Ng7 Kd6 47.Nh5 0–1. Fiedler,Peter – Schueller,Rudolf (1865), DESC, 2003.

6.Be2 Nc6 7.0-0 Bd7 8.d3 Qc7 9.ab4 Bb4 10.Na3 0-0 11.Bf6 gf6 12.c3 Be7 (12...Bc3? 13.Nb5 Qb6 14.Nc3+–) 13.Nb5 Qb6 14.Qa4 Ne5 15.Rfb1 a6 16.Ne5 fe5 17.Qg4 Kh8 18.Na3 Qc5 19.Rb7 Qc3 20.Rab1 Qc6 (20...Ba3?! 21.Rd7 a5 22.Qf3=) 21.R1b6 Qc1 22.Bf1 Qc8 (22...Qa3?! 23.Rd7 Rac8 24.Rb1=) 23.Qf3 f5 (23...Ba3?! 24.Qf6 Kg8 25.Qg5 Kh8 26.Qf6 Kg8 27.Qg5 Kh8 28.Qf6=) 24.Nb1 Bd8 25.Rb3 Bc6 26.R7b4 a5 27.Rb5 d4 28.Qe2 a4 (28...Bb5?! 29.Rb5 Qd7 30.Re5–+) 29.R3b4 Bb5 30.Rb5 a3 0–1. kamret (2180) – vertmert (2335), GameColony.com, 2003.

6.Bf6 Qf6 7.d4 ba3 8.Na3 Ba3 (8...Bb4!? 9.Nd2 0-0-/+) 9.Ra3=+ 0-0 10.Qa1 Nc6 11.Bd3 b6 12.0-0 Bb7 13.Bb5 Rfe8 (13...a5!?=+) 14.Bc6 Bc6 15.Ra7 Ra7 16.Qa7 Qd8? (better 16...Bb5 17.Rb1 Be2+=) 17.Ne5+- Bb5 18.Qf7 Kh8 19.Qh5 (better 19.Ra1+-) 19...Bf1?? (better 19...Kg8 20.Rb1 Qa8+-) 20.Nf7 (20.Kf1?! Kg8=) 20...Kg8 21.Nd8 Rd8 22.Kf1 Ra8 23.Qe5 Ra1 24.Ke2 Ra7 (24...Kf7 25.e4 Kf8 26.Qd6 Kf7 27.ed5 ed5 28.Qd5 Kf8 29.Qf5 Ke7 30.Qh7+-) 25.Qe6 (better 25.Qb8 Kf7 26.Qa7 Kf6 27.Qb6 Kf7+-) 25...Kf8 26.Qb6 Re7 (26...Rd7 27.Qe6 Rd8 28.Qf5 Kg8 29.Qe5+-) 27.Qd8 (27.Qd8 Re8 28.Qd5+-) 1-0. black_bishop_88 (2480) - Dondimi (2315), lichess.org, 2020. (=1.a3 e6 2.b4 d5 3.Bb2 Nf6 4.e3 c5 5.Nf3)

7.c3 Bd6 8.d4 (8.Na3 0-0-/+) 8...0-0 (8...Nc6 9.Ba3-/+) 9.Nbd2 (9.Ba3 Nc6-/+) 9...Nc6 10.Bd3 (10.Ba3 Ba3 11.Ra3 Qe7-/+) 10...h6 (10...Qe7 11.c4-/+) 11.c4 (11.Ba3 Ba3 12.Ra3 Qe7=+) 11...dc4 (11...Nb4 12.Be2-/+) 12.Nc4=+ Bb4 13.Nfd2 (13.Ncd2 Qd5=+) 13...b5-/+ 14.Ba3? (14.Na3 Qd5-/+) 14...Ba3?? (14...bc4 15.Bb4 Nb4 16.Nc4 Nd3 17.Qd3–+) 15.Ra3? (better is 15.Na3 b4 16.Nac4-/+) 15...bc4–+ 16.Nc4 Nb4 17.0-0 Bb7 18.Be2 a5 19.Qd2 Ne4 20.Qb2 f5 21.Ne5 Qg5 22.Bf3 f4 23.Qb3 Bd5 24.Qd1 Rfc8 25.Be4 Be4 26.f3 Rc2 27.Rf2 Rf2 28.Kf2 Nc2 29.Rb3 fe3 30.Kg1 Nd4 31.fe4?? e2–+ 32.Qd4 e1Q 0–1. Quilpo – designs, Live Game Caissa's Web, 2005.

7.c3 Bd6 8.d4 Ng4 9.Qa4 Bd7 10.Qc2 Nc6 11.Nbd2 f5 12.Ba3 Qe7 13.Bd6 Qd6 14.c4 Rc8 15.c5 Qe7 16.h3 Nf6 17.Qb3 Rc7 18.Bb5 0-0 19.Qa4 (19.Bc6 bc6 20.Ne5 Be8=) 19...Ne4 (19...b6 20.cb6 ab6 21.0-0-/+) 20.Ne4? (better 20.Bc6!? bc6 21.Ne4 fe4 22.Ne5=) 20...fe4-/+ 21.Nd2 Qf7 22.0-0 e5 23.Nb3? (23.Bc6 Rc6 24.Qb3 Rg6-/+) 23...ed4 (23...a6 24.Bc6 Rc6-+ (24...bc6?! 25.Qa6 Rb8 26.Rfb1=+; 24...Bc6?! 25.Qa2-/+)) 24.Nd4-/+ Nd4 25.ed4 Be6 (25...b6 26.c6 Bf5 27.f3-/+) 26.Rac1 (better 26.Qa7 Bd7 27.Bd7 Rd7 28.Qb6+=) 26...Qg6-/+ 27.Kh2 a6 28.Be2 Rcf7 29.Bg4?? (better 29.f3-+) 29...Bg4 30.hg4 Qg4 (better 30...Qh6 31.Kg1 Rf2-+) 31.Qd7 (31.Kg1-+) 31...Qd7 32.g3 Qg4 (32...Rf2 33.Rf2 Rf2 34.Kg1 Qf5 35.Rc3 Re2 36.Rf3 Qf3 37.c6 Qg2) 33.Kg2 (33.Kg2 Rf5 34.f4 ef3 35.Rf3 Qf3 36.Kg1 Qg3 37.Kh1 Rh5; 33.Rce1 Rf2 34.Rf2 Rf2 35.Kg1 Qg3 36.Kh1 Qg2) 1-0. alessandrocarvalhaes (1820) - erikbergren (1855), lichess.org, 2020.

7.c3 Be7 8.Ba3 0-0-/+.

7.c3 Be7 8.Bb5 Bd7 9.Bd7 Nbd7 (9...Kd7?! 10.Qa4 Kc8 11.Ne5=+) 10.0-0 0-0 11.Na3 Qb6 12.Qc2 e5 13.Rfb1 Rfc8 14.Qf5 e4 (14...Qe6 15.Qe6 fe6 16.Nb5–+) 15.Ne5 (15.Nd4!?-/+) 15...Ne5–+ 16.Qe5 Bd6 (16...Qe6 17.Qe6 fe6 18.Nb5–+) 17.Qg5-/+ Rc5 18.f4 ef3! 19.gf3 d4! 20.Qg2 (20.cd4 Rg5; 20.ed4 Rg5) 20...de3 21.de3 Rh5 22.Nc4 Qc5 23.Ba3 Bh2 (23...Qc4?! 24.Bd6 Qc3 25.Ra3–+) 24.Kf2 (24.Qh2 Qc4 25.Qf2 Rg5 26.Kh1 Qc3 27.Bb2 Rh5 28.Kg1–+) 24...Qc4 25.Rh1 Qc3 0–1. arturo – Subedei, ChessWorld.net, 2005.

7.c3 Be7 8.Bd3 0-0 9.0-0 Nc6 10.Bc2 e5 11.d4 e4 12.Ne5 Ne5 (12...Qc7 13.Nc6 bc6 14.Ba3-/+) 13.de5 Nd7 (13...Ng4 14.Qd4-/+) 14.c4 (14.Qd5!? Nc5 15.Be4=+) 14...dc4-/+ 15.Be4 (15.Qd4 Nc5 16.Ba3 Nb3 17.Bb3 Qd4 18.ed4 Ba3 19.Ra3 cb3 20.Rb3 Rd8-/+) 15...Qc7 (better 15...Nc5!? 16.Nd2 Ne4 17.Ne4 Qd1 18.Rfd1 Be6-+) 16.Qh5 g6 17.Qh6 Re8?? (17...Nc5 18.Nc3 Be6=+ (18...Qe5?? 19.Nd5 f5 20.Be5+-; 18...Ne4? 19.Ne4 f5 20.ef6+-)) 18.Nc3?? (better 18.e6 Nf6 19.ef7 Kf7 20.Bf6 Kf6 21.Nc3+-) 18...Bf8 (better 18...Qe5!? 19.Bc2 Bg5-+) 19.Qh4 Qe5 (19...Ne5 20.Nd5 Qd8 21.Nf6 Kg7 22.Ne8 Qe8 23.f4+-; 19...Re5?! 20.Nd5 Rd5 21.Bd5=) 20.Rab1?? (better 20.Bd5!?=+) 20...Qe7 (better 20...Be7 21.Qg3 Qg3 22.hg3 Rb8-+) 21.Qg3 Bg7 22.Bf3 (22.Bd5 Nb6 23.Qf3 Bf5-+ (23...Nd5?! 24.Nd5 Qd6 25.Rfc1-/+)) 22...Ne5 (22...Be5!? 23.Nd5 Bg3 24.Ne7 Re7 25.hg3-+) 23.Nd5 Qc5 24.Bd4 Qc6?? (better 24...Qd6-/+) 25.Ne7+/- Re7 26.Bc6 Nc6 27.Bg7 Kg7 28.Rfc1 Be6 29.Qd6 Rc8 30.Qc5 b6 31.Qd6 Rd7 32.Qa3 Na5 33.Qc3 Kg8 34.Rb5 (34.Qe5 Rd5 35.Qf6 Nb3=) 34...Rdc7 (34...Rcd8 35.Rf1 Rd1=) 35.Ra5 (better 35.e4+/-) 35...ba5=+ 36.Qa5 Rc5 (36...c3 37.Kf1-/+) 37.Qb4 (better 37.Qa7!? c3 38.Kf1+=) 37...a5 38.Qc3 a4 39.f3 R5c6 (39...Rb5 40.Ra1 Rb3 41.Qa5-/+) 40.e4 (40.Qa5 c3 41.Qa4 Rd6+=) 40...Rb6 (40...Ra6 41.Ra1-/+) 41.h4?? (better 41.Qa5 Rb3 42.Qa4+=) 41...Rb3-/+ 42.Qf6 (42.Qa5 a3-/+) 42...a3-+ 43.h5 gh5 44.Qg5 Kf8 45.Rd1 a2 (45...Rbb8 46.e5 a2=) 46.Rd8= Rd8 47.Qd8 Kg7 48.Qg5 Kf8 49.Qd8 Kg7 50.Qg5 Kh8 51.Qd8 Kg7 ½-½. black_bishop_88 (2475) - ishu98 (2395), lichess.org, 2020. (=1.a3 e6 2.b4 d5 3.Bb2 c5 4.Nf3 Nf6 5.e3)

7.c4 Bd6 8.Be2 Nc6 9.0-0 0-0 10.Nc3 Re8 11.Nb5 Bb8 12.c5 e5 13.Nd6 Bd6 14.cd6 Qd6 15.d4 e4 16.Ne5 Bf5 17.f3 (17.Qd2!?=+) 17...ef3 18.Rf3 Be4 19.Rg3 Nd7 20.Bb5 Nde5 (20...Nce5?! 21.de5 Ne5 22.Be8 Re8 23.Ra7=) 21.de5 Ne5?? (better 21...Qe6-+) 22.Be8= Re8 23.Qh5 (better 23.Ra7 g6 24.Qb3=) 23...f6?? (23...a6-/+) 24.Rf1 (better 24.Qe8 Qf8 25.Qe6 Kh8 26.Rf1+-) 24...Rc8-+ 25.Bd4 b6 26.Qh4 Rf8 27.Qf4 a5 28.h3 (28.Ra1-+) 28...a4 29.Ra1 a3 30.Rf1 (30.Be5 fe5 31.Qg4-+) 30...b5 31.Qf2 (31.Rc1 a2 32.Ra1 Ra8-+) 31...b4 (better 31...Nd3 32.Bf6 g6 33.Rg6 Bg6 34.Qh4-+) 32.Qd2 (32.Qa2 Rc8 33.Rf4 Kh8-+) 32...b3 33.Qa5 (33.Qc3 Nc4 34.Rg4 b2 35.Re4 a2-+) 33...a2 (better 33...Nc6 34.Qe1 b2 35.Bb2 ab2 36.Qf2-+) 34.Bc5 (34.Qa7 Ng6 35.Rg4 h5 36.Re4 de4-+) 34...Qd8 (34...Nc4 35.Bd6 Na5 36.Ba3-+) 35.Qa3 Rf7 (better 35...Nc4 36.Qb3 Qc7 37.Qa2 Qg3 38.Bf8 Kf8 39.Qf2 Qg2 40.Qg2 Bg2 41.Rc1 Bh3 42.e4-+) 36.Qb3 Qa8 (36...Qc7 37.Bd4 Nc6-+) 37.Bd4?? (better 37.Ra1 Bb1 38.Bd4-/+) 37...Ra7 (better 37...Rb7 38.Qc3 Rb1-+) 38.Qb2?? (better 38.Ba7!? Qa7 39.Ra1+/-) 38...Ra3?? (better 38...Rb7 39.Qf2 Bg6-+) 39.Be5= fe5 40.Qe5 a1Q?? (better 40...Ra7 41.Ra1 Rf7=) 41.Rg7 Kh8 42.Ra1 (42.Ra1 Ra1 43.Kh2 Rh1 44.Kh1 Qa1 45.Qa1 d4 46.Qd4 h6 47.Rb7 Kg8 48.Qg7) 1-0. icehot1 (2485) - BehindBluEyes (2330), Rated Bullet game, lichess.org, 2015.

7.Bd3 Nc6 8.0-0 Bd6 9.Nc3 0-0 10.Nb5 Bb8 11.h3 e5 12.Be2 a6 13.c4 (13.Re1 b6-/+) 13...Bf5 (13...dc4!? 14.Bc4 Na5 15.Na3 Nc4 16.Nc4-+) 14.cd5 Qd5 (14...Nd5 15.Qb3-/+) 15.Nc3 Qe6 Black intends e4 16.d3 e4 17.de4 Ne4 18.Ne4 Be4 (18...Qe4 19.Ra4 Qc2 20.Ra2 Qd1 21.Rd1-/+) 19.Ra4 (better 19.Ng5!? Qg6 20.Ne4 Qe4 21.Bd3=+) 19...Rd8-/+ 20.Qa1 Qg6 (20...b5 21.Re4 Qe4 22.Bg7-/+) 21.Re4 Qe4 22.Bg7 Rd6 (22...Rd5 23.Rd1-/+) 23.Rd1 Rd1 24.Bd1 Bc7 25.Bh8 Qg6 26.Bc2 (26.Nh4 Qg5 27.f4 Qh6+/-) 26...Qh6=+ 27.Nh4 Rd8?? (better 27...Ne7-/+) 28.Nf5+- Qf8 29.Qf6 (better 29.Bg7 Be5 30.Be5 Ne5 31.Qe5+-) 29...Rd5?? (better 29...Rd6 30.Nd6 Bd6+-) 30.Nh6 Qh6 31.Qh6 Kh8 (31...Bh2 32.Kh2 Rg5 33.Bh7 Kh8 34.Bg6 Kg8 35.Qh7 Kf8 36.Qf7) 32.Qf8 (32.Qh7) 1-0. black_bishop_88 (2470) - RigelStar (2440), lichess.org, 2020. (=1.a3 d5 2.b4 e6 3.Bb2 Nf6 4.e3 c5 5.Nf3)

7.Be2 0-0 8.0-0 a6 9.d3 Be7 10.Nbd2 Nbd7 11.c4 Nb6 12.cd5 Nbd5 13.Ne5 b5 14.Ndf3 Bb7 15.Qb3 Rc8 16.Rfc1 Qb6 17.Bd4 Qd8 18.Rc8 (18.Bb2!?=) 18...Qc8-/+ 19.Bb2 Qc7 20.Rc1 Qb6 21.Bd4 Qd8 22.Qc2 Bd6 23.Nc6 (23.e4 Nf4-/+) 23...Qa8 (23...Qc7!? 24.e4 Nf4–+) 24.Na5-/+ Bc8 (24...Rc8 25.Qb2 Rc1 26.Qc1 Qc8-/+) 25.Qc6 (better is 25.e4 Bf4 26.Ra1+=) 25...Be7?? (better is 25...Qc6 26.Nc6 Bb7-/+) 26.Qa8+– Bb4 27.Nb3 Bd7 28.Qb7 Bc8 29.Qc7! (29.Qc7 Nc7 30.Rc7+–) 1–0. Fournier,Frederic (1655) – miavan (1765), Active, 2006.

7.Be2 0-0 8.0-0 Qb6 9.c4 Be7 (9...Nbd7 10.Bd4 Qd6 11.cd5 Nd5 12.Nc3=+) 10.Bc3 (10.Bd4 Qc7=+) 10...dc4 11.Na3 Qc7 12.Nc4 Nc6 13.Rc1 Qd8 14.Nce5 Ne5 15.Be5 Bd7 16.Qb3 Bc6 17.Nd4 (17.Qb2 Bd5=+) 17...Bd5 (17...Qd5 18.Qd5 Bd5 19.Nb5-/+) 18.Qb2 Nd7 (18...Bd6 19.Bd6 Qd6 20.Nb5-/+) 19.Bg3 (better 19.Bg7 Re8 20.Nb5+=) 19...Bf6-/+ 20.d3 Nb6 21.Qb4 (21.Bc7 Qd7-/+) 21...a5 22.Qb5 (22.Qc3 e5 23.Nc2 Qe7-/+) 22...Nc8 (22...Bd4!? 23.ed4 Bc6 24.Qb2-+) 23.Bc7 Qe7 24.Nf3 (24.Bf3!? Na7 25.Qb1 Bd4 26.Bd5 Be3 27.fe3 ed5 28.Bb6-/+) 24...Bc6-+ 25.Qc5?? (better 25.Rc6 bc6 26.Qc6-+) 25...Qc7 26.Nd4 Qd6 (26...Be5!? 27.f4 Bd4 28.Qd4-+) 27.Qd6 Nd6 28.Nc6 bc6 29.Rc6 Nf5 30.Bf3 Rac8 (30...a4 31.d4-+) 31.Rc4 (31.Ra6 Bc3-+) 31...Rc4 32.dc4 Rc8 (32...a4 33.Be4-+) 33.Rb1 h6 34.Be4 (34.Be2 Nd6-+) 34...Rc4 35.Bd3 Rc3 36.Be4 g6 37.g4 (37.Bf5 gf5 38.Kf1 Rc2-+) 37...Nd6 38.Rb8 Kg7 39.Bg6 (39.Bb1 a4-+) 39...fg6 40.Ra8 Be7 (better 40...Bh4!? 41.Ra5 Rc2 42.f3-+) 41.Ra5 Kf7 42.Ra7 Ne4 43.Ra4 Nd2 44.Kg2 Nc4 45.Ra6 (45.h3 Rc2 46.Kg3 Bd6 47.Kf3 Ne5 48.Kg3 Nd3 49.f4 g5-+) 45...Ne5 (better 45...Rc2 46.Ra7 Ne3 47.Kg3 Nd1-+) 46.Rc6 (46.Kg3-+) 46...Nc6 47.h3 Rc2 48.Kf3 Ne5 49.Ke4 Kf6 (49...Bd6 50.Kf4 Rf2 51.Ke4 g5 52.Kd4 Rc2 53.e4 Kf6 54.h4 Bc5) 50.f4 (50.Kf4 Rf2 51.Kg3 Nd3 52.g5 Kg5 53.h4 Kh5 54.Kh3 Bd6 55.e4 Rh2) 50…Rc4 0-1. black_bishop_88 (2535) - mersisaid (2150), Ukrainian Bullet League, lichess.org, 2020. (=1.a3 d5 2.b4 Nf6 3.Bb2 e6 4.Nf3 c5 5.e3)

7.Ne5 Nc6 8.Bb5 Bd7 9.c3 (9.Nd7 Qd7 10.Bf6 gf6=+) 9...Bd6 10.c4?? (better is 10.Nd7 Nd7 11.Ba3 Ba3 12.Na3-/+) 10...Ne5–+ 11.Bd7 Qd7 12.cd5 (12.Be5 Be5 13.d4 Bc7 14.cd5 Qd5–+) 12...Nd5 (better is 12...Nd3 13.Ke2 Nb2–+) 13.f4 Nd3 14.Ke2 Nb2 15.Qc2 Qb5 16.d3 0-0 17.Nc3 Nc3 18.Qc3 Qd3 19.Qd3 Nd3 20.Kd3 a6 21.Rab1 b5 22.e4 Rfc8 23.e5 Be7 24.Rhd1 Rd8 25.Ke2 Rd1 26.Kd1 a5 27.Kc2 b4 28.Kb3 a4 29.Ka2 a3 30.Kb3 Rb8 31.Ra1 Bc5 32.g3 Bd4 33.Rd1 Bc3 34.Rd7 Kf8 35.Ra7 Ke8 36.h4 Kd8 37.g4 Kc8 38.f5 Rb7 39.Ra8 Kc7 40.Rg8 g6 41.fg6 hg6 42.Rg7 Kb6 43.h5 Kb5 44.h6 Be5 45.Rh7 Rb8 46.Rf7–+ g5 47.Rf3 Bc3 48.h7 Rh8 49.Rc3 bc3 50.Kc3 (50...Rh7 51.Kd2 a2 52.Kc3 a1Q 53.Kd3 Rh3 54.Ke2 Qb2 55.Ke1 Rh1; 50.Kc2 a2 51.Kd1 a1Q 52.Ke2 Qa2 53.Kd3 Rd8 54.Ke3 Qd2 55.Kf3 Rd3 56.Ke4 Qe3). Nautiluschess – saraajogadora, ICS, 2001.

6.ab4 Bb4 7.Bg2 0-0 8.0-0 Nc6 9.d3 Re8 10.Nbd2 b6 (10...e5 11.c3 Be7 12.c4-/+) 11.c4 Bb7 12.cd5 Nd5 13.Nc4 Bc3 (13...b5 14.Ne3-/+) 14.Bc3 Nc3 15.Qc2 Nd5 16.Rfd1 (16.Qb2 a5-/+) 16...Qc7 (16...a5 17.Qb2-/+) 17.Rac1 Rec8 18.Qb2 Qe7 (18...a5 19.e4 Ndb4 20.e5=+) 19.Nce5 (19.e4 Ndb4=+) 19...f6 (19...Qb4 20.Qa1-/+) 20.Nc6=+ Rc6 21.Rc6 Bc6 22.Rc1 (22.Nd4 Bb7=+) 22...Bb7 23.Qb3 (23.Nd4 Qd7-/+) 23...Kf7 (23...a5 24.e4 a4 25.Qb5-/+) 24.e4 (24.Nd4 Qd7=+) 24...Nb4 25.Nd4 (25.Bh3 Rc8 26.Ra1 Nc6=+) 25...Rc8 (25...Rd8 26.Rc4 a5 27.Bf1-/+) 26.Rc8 (26.Ra1 Na6=+) 26...Bc8-/+ 27.Bh3 Can e6 get defended? 27...h5 (27...a5 28.Qc4 Bd7 29.f4=+) 28.Nf5=+ Qc5 29.d4 Qf8 (better 29...Qc1!? 30.Kg2 Qc6=+) 30.e5 (30.Qc4 Nc6+=) 30...fe5 (30...a5 31.f4+=) 31.de5+– a5 (better 31...Nd5!? 32.Nd6 Kg8+–) 32.Nd6+– Ke7?? (better 32...Kg6+–) 33.Qc4 Bd7 (33...Nd3 34.Qd3 Kd8+–) 34.Qh4 (34.Qh4 Qf6 35.ef6 gf6 36.Nb7+–) 1–0. tsodikovich (1830) – josepaolo (1755), gameknot.com, 2017.

6.Bg2 ba3 7.Na3 a6 8.0-0 Be7 9.c4 0-0 10.Qb3 Nc6 11.Rfc1 dc4 (better is 11...d4+=) 12.Nc4+/– b5? (better is 12...Nd5!?+/–) 13.Nce5+– Na5 (better is 13...Ne5 14.Ne5 Bd7 15.Ba8 Qa8+–) 14.Qa2 Nb7 15.Nc6 Qd7?! (15...Qe8 16.Nfd4 b4 17.Ne7 Qe7+–) 16.Nfe5 Qe8 17.Ne7 Qe7 18.Ba3 b4 (18...Qd8 19.Bf8 Kf8 20.Rab1+–) 19.Nc6 Qd7 20.Bb4 (20.Nb4 a5 21.Nd3 Rd8+–) 20...Re8 21.Ba3 (21.d4 Nd5 22.Ba3 f6+–) 21...Nd5 (21...e5 22.Rab1+–) 22.Rab1 f6 23.Nb4 (23.d4 Kh8+–) 23...Ne7 24.Nd3 Nd5 25.Nf4 Nf4 26.gf4 Rd8 (26...Qf7 27.Rc3 Rb8 28.Bd6 Nd6 29.Rb8+–) 27.f5 Qd2 28.Rc2 Qg5 29.fe6 Kh8 30.Kh1 Qf5 (30...Qg6 31.Rcb2 (31.Bb7 Bb7 32.f3 Bd5-/+) 31...Rb8 32.e7+– (32.Rb7 Bb7 33.Bb7 Rb7-/+; 32.Bb7?! Bb7 33.f3 Rd2+=)) 31.e7 (31.Bb7 Bb7 32.f3 Bd5-/+) 31...Re8 32.Rb7 (32.Bb7?! Bb7 33.f3 Bd5+=) 32...Qf2 (32...Bb7 33.Bb7 Qf2 34.Rc1+–) 33.Rb1 Rb8 34.Rf1 Qe3 35.Rb2 (35.Bd6 Be6 36.Qa6 Bh3+–) 35...Bh3 36.Rb8 Bg2 37.Kg2 Rb8 38.Bd6 Qe4 39.Rf3 Re8 40.h3 Qg6 41.Kh2 f5 42.Ba3 h6 43.Qd5 Qb6 44.Qe5 Qb5 45.Qb5 ab5 46.Rf5 Kh7 47.Rf8 Re7 48.Be7 Kg6 49.Kg3 Kh5 50.Kf4 g6 51.h4 b4 52.Rb8 g5+– 53.hg5 hg5 54.Bg5 Kg6 55.Rb6 Kf7 56.Kf5 b3 57.Rb7 Ke8 58.Ke6 Kf8 59.Bf6 Kg8 60.Rg7 Kf8 61.Rh7 Ke8 62.Rh8 1–0. baitang (1930) – libelle_3 (1860), gameknot.com, 2015.

5.Nc3 Be7 6.e3 c5 7.bc5 Bc5 8.Bb5 Nc6 9.0-0 Be7 10.Ne2 0-0 11.Ng3 Ne4 12.Ne4 de4 13.Ne5?? (better 13.Bc6 bc6 14.Ne5=) 13...Ne5-+ 14.Be5 f6?? (better 14...Qd5 15.Bg7 Kg7 (15...Qb5?! 16.Bf8 Bf8 17.f3=+) 16.Qg4 Kh8-+) 15.Bb2 (15.Bg3 Bd7 16.a4 Bb5 17.ab5 Qd5=) 15...a6 (15...Qb6 16.a4 a6 17.Bd4=+) 16.Ba4 b5 17.Bb3 Kh8 18.Rb1 f5 (18...Rb8 19.Qg4=) 19.Qh5 (19.f3 f4+=) 19...Bd7 (19...Qd2 20.c4=+) 20.g3 (20.Rfd1 Be8 21.Qh3 Qd6=) 20...Be8 21.Qe2 Bf7 22.Kg2 (22.d3 ed3 23.cd3 Qd6=) 22...b4 (22...Qe8 23.Kg1=+) 23.Rh1 (better 23.ab4!? Bb4 24.d3=) 23...ba3-/+ 24.Be5 a5 (24...Qa5 25.Bc3 Qb5 26.Bc4-/+) 25.Qc4 (25.d4 Bf6=+) 25...Bf6 (25...a4 26.Qc3 Bf6 27.Bf6 Qf6 28.Qf6 gf6 29.Bc4-/+) 26.Qc3 (26.d4 Be5 27.de5 Rc8-/+) 26...Be5 27.Qe5 a4 28.Be6? (better 28.Bc4 Qd2 29.c3-/+) 28...Qe7 29.Rb6 Rae8 30.h4 (30.d4 ed3 31.cd3 Be6-+) 30...Be6 31.Qf4 (31.Ra1 Rf6 32.Qd6 Qf7-+) 31...Bc8 (31...Qc5!? 32.Qd6 Qc2 33.Qa3-+) 32.h5 (32.d4 ed3! 33.cd3 Bb7 34.f3 Bd5-+) 32…Qa7 (32...Qa7 33.Rc6 Rg8-+) 0-1. Chessito (1680) - jiacomo (1810), lichess.org, 2015.

5.d3 a5 6.c3 ab4 7.cb4 c5 8.Nbd2 (8.bc5 Bc5 9.e3 0-0+=) 8...cb4-/+ 9.ab4 (9.a4 Bd7-/+) 9...Ra1 (9...Bb4?? 10.Ra8 Nc6 11.Bf6 gf6 12.e3+–) 10.Qa1 Bb4 11.g3 (11.e3 Nc6-/+) 11...0-0 12.Bg2 Nc6 13.0-0 Be7 (13...Re8 14.Nb3-/+) 14.Ne5 (14.Rc1 Bd7-/+) 14...Bd7 15.Ndf3 Qc7 16.Nc6 bc6 (16...Bc6 17.Rc1-/+) 17.Be5+= Qd8 18.Bf4 (18.Rb1 c5+=) 18...c5 19.Ne5 (19.Rb1 Qa8-/+) 19...Qa8 (19...Nh5 20.Bd2-/+) 20.Rb1+= Qa1 (20...Ba4 21.Rb2 Bc6 22.Ra2+=) 21.Ra1 Be8 (21...Rd8 22.Ra7 Kf8 23.h3+=) 22.Bf3 Nd7 (better is 22...Bd6!?+=) 23.Ra7+= Ne5 24.Be5 (24.Re7 Nf3 25.ef3 Bb5–+) 24...Bf6 25.Bd6 1–0. Janek – Erendor, internet, 2017.

5.e3 Qb6 6.c4 c5 7.b5 dc4 8.Bc4 Be7 9.0-0 0-0 10.d4 Qd6 11.a4 b6 12.dc5 Qc5 13.Ne5 Rd8 14.Bd4 Qc7 15.f4 Bc5 16.Nc3 Bb7 17.Qb3 Bd4 18.Nf7 Be3 19.Kh1 Rd2 0–1. MT – CHILL, itsyourturn.com 2000.

5.e3 Nbd7 6.c4 Bd6 (---> 4.a3 Bd6 5.e3 Nbd7 6.c4 c6).

5.g3 Bd6 6.Bg2 (6.e3 Nbd7+=) 6...0-0 7.d3 (7.0-0 Nbd7+=) 7...Bd7 (7...a5 8.ba5 Qa5 9.Qd2+=) 8.0-0 (8.e4 Be7=) 8...c5 9.bc5 Bc5 10.Nbd2 Nc6 (10...Ba4 11.Nb3 Be7 12.e4=) 11.c4 Qe7 12.cd5 (12.e3 Rfc8=) 12...ed5 13.e3 Be6 (13...Rfc8 14.Qb3 Be6 15.Bf6 Qf6 16.Qb7+=) 14.Nb3 (14.Qa4 Rfe8=) 14...Bd6 15.Nbd4 Rac8 (15...Rfc8 16.Qb3=) 16.Qb3 (16.Qa4 Nd4 17.Nd4 a6=) 16...Nd4 (16...Na5 17.Qa4 b6 18.Ne2=) 17.Bd4 (17.Nd4 a6=) 17...b6 18.a4 Nd7 19.Qb2 f6 20.a5 ba5 21.Ra5 Nc5 22.Qa2 Nd3 23.Ra7 Rc7 24.Rc7 Qc7 25.Qd2 Nc5 26.Bc5 Bc5 27.Nd4 Bd4 28.Qd4 Attacks the isolani on d5 28...Rd8 29.Rd1 Increasing the pressure on the isolated pawn on d5 29...Qe5 30.h4 Rd7 31.Qa4 White gets kings attack 31...Rd8 32.Bf3 Qf5 33.Bd5!+/– Bd5 34.e4! A double attack 34...Qg4 35.Rd5 Threatening mate: Rxd8 35...Rc8 36.Qb3 Kf8 37.Qd3 Qh3 38.Rd8 Rd8 39.Qd8 Kf7 40.Qd5 Kg6 41.e5 Qf5 42.f4 h5 43.Qd6 Qb1 44.Kf2 Qc2 45.Kf3 Qc3= ½–½. Meyer,Torben – Steingraeber,Barbara (1770), DESC, 2003.

6.ba5 Qa5 7.Qd2 Nbd7 8.Qa5 Ra5 9.e3 Ne4 10.Bd3 Ndf6 11.0-0 Be7 12.Nbd2 Nd2 13.Nd2 b5 14.f3 0-0 15.e4 Nd7 16.e5 c5 17.dc5 Nc5 18.Nb3 Nd3 19.cd3 Ra8 20.d4 Bd7 21.Rfc1 Rfc8 22.Rc8 Rc8 23.Rc1 Bg5 24.Rc8 Bc8 25.Kf2 Kf8 26.g3 f5 27.f4 Be7 28.h3 Ke8 29.g4 g6 30.Ke3 Kd7 31.g5 b4 32.ab4 Bb4 33.Kd3 Ba6 34.Ke3 Kc6 35.Bc1 Bc4 36.Na1 Bc3 37.Nc2 Bb3 38.Na3 Bb4 39.Nb1 Kb5 40.Bd2 Bd2 41.Nd2 Bc2 42.h4 Kc6 43.Nf1 Kd7 44.Kd2 Be4 45.Kc3 Ke7 46.Kb4 Bd3 47.Kc5?? Kf7?? 48.Nd2 Bc2 49.Kd6 Ba4 50.Nb1 Bb3 51.Nc3 Bc4 52.Na4 Ba6 53.Nc5 Bc8 54.Kc7 1–0. bratek55 (1715) – furtlemhram (1625), kurnik, 2011.

6.ba5 Qa5 7.Nbd2 Nbd7 8.e3 Be7 9.Bd3 0-0 10.0-0 Re8 11.c4 Qb6 12.Qc2 g6 13.e4 de4 14.Ne4 Ne4 15.Be4 Nf6 16.Bd3 Rd8 17.h4 c5 18.h5 cd4 19.hg6=+ hg6 20.Bg6 Bc5 21.Bd3 Bd7 22.Qd2 Nh7? 23.Rab1 Qc7 24.Qh6+– f5?! 25.Nd4 Qe5 26.Ne6 Qe6 27.Qg7 1–0. d4nf6 (1900) – jetonimat (1795), kurnik, 2011.

6.c4 Nbd7 7.d4 0-0 8.Nbd2 Re8 9.Be2 e5 10.de5 Ne5 11.cd5 Nd5 12.0-0 Nf6 13.h3 Qc7 14.Ne5 Be5 15.Be5 Qe5 16.Nf3 Qe7 17.Re1 Bf5 18.Qb3 Be4 19.Rad1 Rad8 20.Nd4 h6 21.Bd3 Bd3 22.Rd3 Ne4 23.Red1 Qf6 24.Qc2 Rd5 25.Nf3 (25.f3 Ng3 26.Qf2 Qg6 27.e4) 25...Rd3 26.Rd3 Qa1 27.Qd1 Qb2 28.Qe1 Re6 29.Nd2 Nd2 30.Qd2 Qd2 31.Rd2 ½–½. Luneau – Philippe, Cannes 1995.

6.Be5 b6 7.Be2 Bb7 8.0-0 Bc7 (8...0-0 9.Bd6 Qd6 10.Nc3=) 9.d4 Nbd7 10.Bc7 Qc7 11.c4 0-0 12.cd5 ed5 13.Nc3 Rac8 14.Rc1 Qd6 15.Qc2 Rc7?? (better is 15...Rfe8+=) 16.Nb5!+– cb5 (16...Qe7 17.Nc7 Nb8 18.Nb5 cb5 19.Qc7+–) 17.Qc7 Qc7 18.Rc7 Rb8 19.Bb5 a6 (19...Nf8 20.Ne5 Ng6+–) 20.Bd7 Nd7 21.Rd7 Bc6 22.Ra7 Rc8 (22...h6 23.Rc1 Be8 24.Ra6+–) 23.Rc1 g6 (23...f6 24.a4! g5 25.b5 ab5 26.ab5+–) 24.Ne5 Ra8 25.Nc6 Ra7 26.Na7 Kg7 1–0. market (1915) – _fianchetto_ (1755), GameColony.com, 2002.

6.Be5 Be5 7.Ne5 Nbd7 8.d4 =.

5.Nc3 Bd6 6.Nb5 0-0 7.Nd6 Qd6 8.b5 Na5 9.e3 c5 10.Be2 b6 11.0-0 Bd7 12.a4 Nc4 (better is 12...Qe7!?+=) 13.Bc4 dc4 14.Bf6 gf6 15.Qe2 e5 16.Qc4 Be6 (16...Qe6 17.Qe6 fe6 18.d3+/–) 17.Qh4+– Bd5 18.e4 Bb7 19.a5 Bc8 20.Qh6 Bd7?? (20...Rd8 21.ab6 Bb7+–) 21.Ng5! fg5 (21...fg5 22.Qd6 Pinning (22.Qd6 Deflection)) 22.Qd6 (22.Qd6 Rad8 23.Qf6+–) 1–0. Walker,John T (1915) – Dinuzzi,Vito, ICCF FM/1503, 2012.

5.c4 Be7 6.cd5 Qd5 7.Nc3 Qd7 8.e3 b6?? (better 8...a6=) 9.Bb5+- Bb7 10.Nd4?? (better 10.Ne5! Qd6 11.Qf3+-) 10...a6= 11.Nc6 ab5 (11...Bc6 12.Bc6 Qc6 13.0-0=) 12.Ne7 Ke7 13.0-0 Rhd8 14.Qe2 (better 14.d4=) 14...Qd2-/+ 15.Qd2 Rd2 16.Rab1 c6 17.Rfd1 Rad8 18.Kf1 (18.Rd2 Rd2 19.a4 e5-/+) 18...Rd1 (better 18...Ne4! 19.Ke1 Rb2 20.Ne4 Rd1 21.Rd1 c5-+) 19.Rd1-/+ Rd1 20.Nd1 c5 21.Nc3 Bc6 22.bc5 bc5 23.Ne2 Nd5 (better 23...Ne8!?-+) 24.Bg7-/+ f6 25.Nf4 (25.Bh6 Nb6 26.Nf4 b4 27.ab4 cb4-+) 25...e5 (25...Nf4!? 26.ef4 Bg2 27.Ke2-+) 26.Nd5 Bd5 27.Bh6 f5 (27...Be4 28.Ke2 Bg2 29.Kd3-/+) 28.f4 e4 29.Bg5 Kd6 30.Bd8 c4 31.Ke2 Kc6 32.Be7 Kb6 33.Bb4 Kc6 34.h3 (34.Be7 c3-/+) 34...Kd7 (34...Be6 35.Bc3-/+) 35.g4=+ fg4 (35...Be6 36.gf5 Bf5 37.h4=+) 36.hg4= Ke6 37.Kf2 Kf6 38.Kg3 Be6 (38...h6 39.Bc3 Ke7 40.f5+=) 39.Kh4 White prepares g5 39...h6 (better 39...Kf7+=) 40.g5?? (better 40.Bc3 Kg6 41.f5 Bf5 42.gf5 Kf5 43.Kh5+-) 40...hg5 41.fg5 Kg6 42.Bc3 Bf5 43.Bf6 Be6 44.Kg3 Bf5 (better 44...c3!? 45.Bc3 Kg5=+) 45.Kf4+/- Kh5?? (better 45...Bd7 46.Ke4 Bc6 47.Kd4 Kf5+/-) 46.Kf5+- (46.Kf5 Kh4 47.g6 Kg3 48.Ke4 b4 49.g7 ba3 50.g8Q Kf2 51.Bh4 Ke2 52.Qc4 Kd2 53.Qa2 Kc1 54.Kd3 Kd1 55.Qc2) 1-0. bazilishek (1700) - the_jasz (1680), lichess.org, 2020.

5.d3 Bd6 6.Nbd2 Bd7 7.g3 Qe7 8.Bg2 0-0-0 (8...e5 9.c4 e4 10.cd5 ef3 11.dc6 fg2 12.cd7 Qd7 13.Rg1+=) 9.0-0 h6 10.c4 g5? (10...Qf8 11.Rc1+/–) 11.cd5?? (better is 11.c5 Bc5 12.bc5+–) 11...ed5+= 12.e4 g4 13.ed5 Ne5?? (13...gf3 14.dc6 fg2 15.cd7 Qd7+–) 14.Ne5+– Be5 15.Be5 Qe5+= 16.f4 gf3 17.Bf3 Nd5 18.Bd5 Qd5+= 19.Nf3 Bc6 20.d4 f5 21.Rc1 Rhg8 22.Rf2? h5?? 23.Rcc2? h4–+ 24.Rg2?? hg3 25.hg3 Qf3 26.Qe1 f4 27.Rcf2 Qh5 28.g4 Rg4 29.Qe6 Kb8 30.d5?? Bd5 31.Qg4 Qg4?? 32.Rg4+= Rf8 33.Rgf4 Rg8 34.Kf1 Bg2?? 35.Ke1 Re8 36.Kd2 Rd8 37.Kc3 Rd7?? 38.Rf8 Rd8 39.Rd8 1–0. Lats – pieeater, ChessWorld.net, 2012.

5.d4 Bd6 6.e3 Bd7 7.Bd3 Qe7 8.Ne5 0-0-0 9.c4 dc4 10.Nc4 (10.Bc4?! Be5 11.de5 Be8=) 10...h6 (10...Rde8 11.b5 Nd8 12.0-0+/–) 11.Nc3 (11.b5 Nb8 12.e4 Bb5 13.Nd6 Qd6 14.Bb5 Ne4 15.Qe2+/–) 11...g5? (11...e5 12.b5 Nb8 13.b6 (13.Ne5?! Be5 14.de5 Qe5+/–; 13.Nd6?! Qd6 14.de5 Qe5+/–) 13...cb6 14.Rc1+– (14.Ne5?! Be5 15.de5 Qe5+=; 14.Nd6?! Qd6 15.Qc2 Qc7+–)) 12.Nb5 (better is 12.b5 Nb8 13.e4+– (13.Nd6?! Qd6 14.Rc1 Nd5+/–)) 12...h5? (12...Ne8 13.d5! ed5 14.Nb6 cb6 15.Bh8+/–) 13.Ncd6 (better is 13.Nbd6 cd6 14.b5+–) 13...cd6+/– 14.Rc1 Kb8 15.Qd2 e5 16.d5 e4? (better is 16...Nd5 17.Be4 Nf6 18.Qd6 Qd6 19.Nd6 Ne4 20.Ne4 a6+/–) 17.dc6+– Bc6 (17...bc6 18.Na7! Ka7 19.b5 ed3 20.bc6 Bc6 21.Bd4 (worse is 21.Rc6 Kb7 22.Rc4 Rd7+–) 21...Kb8 22.Rc6+–) 18.Be2 d5 (18...Bb5 19.Bb5 h4 20.0-0+–) 19.Nd4 (better is 19.Na7 Bd7+–) 19...g4 (19...Bd7+–) 20.Nc6 (better is 20.Rc6 Nh7+–) 20...bc6 21.Rc6 Rd6 22.Rd6 Qd6 23.0-0 h4 24.Bf6 Qf6 25.Qd5 g3 26.fg3 Qc3 27.Qe4 hg3 28.Qf4 Ka8 29.Bf3 Qc6 30.Bc6 1–0. the horror man – pieeater, ChessWorld.net, 2014.

5.d4 Ne4 6.Nbd2 b5 7.e3 Nd6 8.Be2 Nc4 (8...a5!?=) 9.Nc4+= bc4 10.0-0 Bb7 11.Nd2 Qh4 (11...a5 12.ba5 Ra5 13.e4+=) 12.Nf3 (12.e4 de4 13.Nc4 Rd8+=) 12...Qg4 (12...Qd8 13.b5 Ne7 14.a4+=) 13.Ne5 Qh4 14.Nf3 (14.f4 Ne5 15.fe5 Be7+=) 14...Qh6 (14...Qd8 15.Rb1+=) 15.Bc1 Rb8 (15...Qf6!?+=) 16.e4!+/– Qh5?? (16...de4 17.Nd2 Double attack (17.Bh6 Discovered attack; 17.Bc4 Deflection; 17.Nd2 Decoy)) 17.ed5 (better is 17.Ng5 Qg6 18.Bh5+–) 17...ed5? (better is 17...Qd5!? 18.c3 Bd6+=) 18.Re1 Kd8?? (better is 18...Be7+–) 19.Ne5 Qh4 (19...Qe5 20.de5 Ne5 21.Qd4+–) 20.Nf7 Ke8 21.Nh8 Nd4 22.Bc4 Be7 23.Bd3 Kd8 24.Nf7 Kc8 25.Bg5! Bg5 26.Ng5 Qg5 27.Re8 Qd8 28.Rd8 Kd8+– 29.Bh7 Nb5 30.c4 Nd6 31.c5 Ne4 32.Be4 Ba6 33.Qd5 Ke7 34.Re1 Rd8 35.Bd3 Kf8 36.Qf5 Kg8 37.Ba6 Rf8 38.Bc4 Rf7 39.Qf7 Kh7 40.Qh5 1–0. Bonetti,Shane – RChess, 2000.

5.e3 a6 6.c4 b6 7.Nc3 Bb7 8.d4 g6 9.Be2 dc4 10.Bc4 Bg7+= 11.0-0 0-0 12.Be2 Ne7 13.Rc1 Ned5 14.Nd2 Nc3 15.Bc3 Qd5?? 16.Bf3+– Qa2 17.Bb7 Rad8 18.Qb3 Qb3 19.Nb3 Nd5 20.Ba6 Ra8 21.b5 Ra7 22.Bb2 1–0. alaamattar (2115) – hermanogris (2070), net–chess.com, 2009.

5.e3 b6 6.c4 Bb7 7.cd5 Nd5 8.Qc2 Qd7 9.Bb5 0-0-0?? 10.Ne5+– Ndb4 11.ab4 Qd5 12.Bc6 Bc6 13.Qc6 Qc6 14.Nc6 Rd5 15.Nc3 Rd7 16.Ra7 Rd6 17.Ne5 Rg8 18.Nf7 Rd7 19.Ne5 Rd6 20.Ne4 Rd5 21.0-0 Kb8 22.Nc6 Kc8 23.Rfa1 Rb5 24.Bc3 (24...Kd7 25.Ne5 Re5 26.Be5+–; 24.Be5 Re5 25.Ra8 Kd7 26.Ne5 Ke7 27.R1a7 g5 28.Rc7) 1–0. wlittle (2380) – pblanctranchant (2390), net–chess.com, 2003.

5.e3 e5 6.Be5 Be7 7.c4 Ne5 8.Ne5 Bd6 9.d4 Ne4 10.cd5+– f6?? 11.Qh5 g6 12.Ng6! hg6 13.Qh8 Kd7 14.Qd8 Kd8 15.Bd3 Bf5 16.Be4 Be4 17.Nc3 f5 18.0-0 Bd5 19.Nd5 c6 20.Nf4 c5 21.Ne6 Kd7 22.Nc5 Bc5 23.bc5 b6 24.Rfc1 bc5 25.Rc5 a5 26.Rac1 (26...Ra6 27.h4+–) 1–0. coloplayah (2150) – dsturgill (1835), net–chess.com, 2006.

6.d4 Ne4 7.Nbd2 Nd6 8.e3 Bd7 9.a4 Nec8 10.Bd3 Be7 11.0-0 0-0 12.e4 de4 13.Ne4 Nf5 14.Ne5 Bd6? 15.g4 Nh6 16.h3 Be5 17.de5 Qe8? 18.f4 Ne7 19.Nc5 Bc8 20.Qf3 Nd5? 21.Qe4 b6?? 22.Qh7 1–0. bratek55 (1645) – amirbg (1650), kurnik, 2011.

6.d4 Nf5 7.e3 Bd6 8.Bd3 g6 9.0-0 Bd7 10.Nbd2 Qe7 11.c4 Qf8 12.Ne5 h5 13.Ndf3 h4 14.Ng5 Be5 15.de5 Ne4 16.Be4 de4 17.Ne4 0-0-0 18.Qa4 Kb8 19.Rfd1 h3 20.g3 Rh4?? 21.Nf6 Qe7 22.Bd4 Nd4 23.Rd4 Rd4 24.ed4 c6 25.b6 a6 26.Rd1 c5 27.Qb3 Bc6 28.dc5 Rd1 29.Qd1 Be8 30.Qd6 Qd6 31.cd6 Kc8 32.Kf1 (32.Kf1 Bc6 33.f4+–) 1–0. bratek55 (1740) – tadekk70, kurnik, 2011.

6.d4 Ng6 7.e3 Bd7 8.c4 Be7 9.c5 c6 10.a4 0-0 11.Bd3 Ne4 12.0-0 f5 13.Nbd2 Rc8 14.Re1 Nc5? 15.dc5+– Bc5 16.Ne5 Bd6 17.Ndf3 Qc7 18.Ng6 hg6 19.Rc1 e5 20.Bb1 c5?? 21.g3 b6?? 22.Ng5 Qb7 23.Ba2 c4 24.f4 Bc5 25.Be5 Rce8?! 26.Bd4 Be7 27.Nf3 Bf6 28.Bf6 gf6 29.Qd4 Re4 30.Qd2 Rfe8 31.Bb1 R4e7 32.Rcd1 Be6 33.Nd4 Bf7 34.Nc6 Re6 35.Qd4 Rd6 36.e4! fe4 37.Be4 Rc6 38.bc6 Qc6 39.Bd5?? Bd5?? 40.Re8+– Qe8 41.Qd5 Qf7 42.Qf7 Kf7 43.Rc1 b5 44.ab5 Ke6 45.Rc4 Kd5 46.Rc1 f5 47.Kf2 Kd4 48.Ke2 Ke4 0–1. bratek55 (1730) – edaname, kurnik, 2011.

6.b5 Ne7 7.c4 dc4 8.Bc4 c6 9.0-0 cb5 10.Bb5 Bd7 11.Nc3 Bb5 12.Nb5 Qb6 13.Qa4+/– Nc6 14.Nfd4 Nd4?? 15.Bd4+– Qc6 16.Nc7 Kd7 17.Qc6 Kc6 18.Rfc1 Kd7 19.Na8 Ne4 20.d3 Nd2 21.Rc7 Kd6 22.f4 Nb3 23.Be5 Kd5 24.Nb6 1–0. Fournier,Frederic – Zavattiero,Romain, Match Senlis FRA, 2007.

6.c4 ab4 7.ab4 Ra1 8.Ba1 Nb4 9.cd5 Nbd5 10.Bb5 Bd7 11.Bd7 Qd7 12.Ne5 Qd8 13.Qa4 c6 14.Nc6 bc6 15.Qc6 Qd7 16.Qa8 Qd8 17.Qc6 Nd7 18.0-0 N5f6 19.Nc3 Be7 20.d3 0-0 21.Ne4 Ne4 22.de4 Bf6 23.Bf6 Nf6 24.e5 Qd7 25.Qd6 Qd6 26.ed6 Rd8 27.Rd1 Ne4 28.f3 Nd6 29.e4 Nb7 30.e5 Rd1 0–1. Nautiluschess – Broel, ICS blitz, 2001.

6.Bb5 0-0 7.c4 a6 8.Bc6= bc6 9.c5 Be7 10.Nc3 a5 11.0-0 ab4 12.ab4 Ra1 13.Qa1 Bb7 14.Ne5 Nd7= 15.Nd3 Qa8 16.Qb1 Qa6 17.Nc1 Ra8 18.N3a2 Qc4 19.Bc3 Qg4 20.Nb3 e5 21.Na5 Ba6 22.f3 Qh4 23.Rf2=+ Qf6 24.f4+= Qe6 25.f5 Qf6 26.e4 Bb5 27.ed5 cd5 28.d3 c6 29.Qd1 Qg5 30.Bd2 Qh4 31.Nc1 Bd8 32.Nb7 Bc7 33.Qc2 Ra7 34.Nd6 Bd6 35.cd6 Qf6. NN – SuperForte5, 1990.

6.Bb5 0-0 7.c4 a6 8.Bc6= bc6 9.c5 Be7 10.Nc3 a5 11.0-0 ab4 12.ab4 Ra1 13.Qa1 Bb7 14.Ne5 Nd7= 15.Nd3 Qa8 16.Qb1 Qa6 17.Nc1 Ra8 18.N3a2 Qc4 19.Bc3 Qg4 20.Nb3 e5 21.Na5 Ra7 22.Qc2 e4 23.Nb7= Rb7 24.Qa4 Qg6 25.Nc1 h6 26.Ne2 Nb8 27.Qa8 Rb5 28.Nd4 Qg4 29.Nb5 cb5 30.Qb8 Bf8 31.Be5 f6 32.Bc7 Kf7 33.Qb5 Be7 (33...Qc8 34.Qb6+–) 1–0. NN – SuperForte 5 Mhz, 1990.

6.Bb5 0-0 7.c4 dc4 8.Bc6 bc6 9.Ne5 =+.

6.Bb5 Bd7 7.0-0 0-0 8.Nc3 e5 9.Ne2 a6 10.Bc6+/– Bc6 11.Ne5 Be5 12.Be5+/– Re8 13.f4 Ng4 14.Bb2 Qh4 15.h3 Bb5? 16.hg4+– Qg4 17.Nc3 Qd1 18.Rfd1 Rad8 19.Nb5 ab5 20.Re1 b6 21.d3 f6 22.Kf2 Kf7 23.g4 c6 24.a4 ba4 25.Ra4 Re7 26.Ra6 Rb8 27.Bd4 c5 28.bc5 bc5 29.Bc5 Rc7 30.d4 Rbc8 31.Rea1 h6 32.Ra7 g5 33.Rc7 Rc7 34.Ra7 Ra7 35.Ba7 Ke6 36.Bc5 f5 37.Kg3 Kf6 38.Bf8 Kg6 39.gf5 Kh7 40.fg5 hg5 41.Kg4 (41...Kg8 42.Kg5+–) 1–0. hockhin (2360) – cnita, net–chess.com, 2006.

6.c4 0-0 7.c5 Be7 8.Be2 b6 9.d4 bc5 10.dc5 Re8 11.0-0 Ne4 12.Nbd2 Bf6 13.Bf6 Nf6 14.Qc2 e5 15.Qb2 e4 16.Nd4 Nd4 17.Qd4 Bg4 18.Bg4 Ng4 19.Rad1 Qh4 20.h3 Nf6 21.Nb3 c6 22.Na5 Rac8 23.Nb7 Re6 24.Nd6 Rc7 25.Rfe1 Qh5 26.Qb2 Re5 27.Qe2 Qh6 28.f4 Re6 29.Nf5 Qg6= 30.Nd6 Qh6 31.Qa6 Nh5?? 32.Qa5?? Rce7?? 33.Qd8+– Re8 34.Ne8 g6 35.Nf6 Kg7 36.Nh5 Qh5+– 37.Qg5 Qg5 38.fg5 Re5 39.h4 Re6 40.Rf1 Re7 41.Rf6 h6 42.Rc6 hg5 43.hg5 Re5 44.Rd6 Rg5 45.R1d5 Rd5 46.Rd5 Kf6 47.Kf2 Ke6 48.Rd4 Ke5 49.c6 Ke6 50.c7 Ke5 51.c8Q Kf6 52.Qd8 Kf5 53.Kg3 f6 54.Rd5 Ke6 55.Qd7 1–0. Fournier,Frederic (1790) – Gabs (1650), Active (5/0), 2005.

6.c4 a6 7.c5+= Be7 8.d3 0-0 9.Be2 Re8 10.Nbd2 Bf8 11.0-0 e5 12.Qc2 Bg4 13.Rfe1 h6 14.h3 Bh5 15.Rad1 Bg6 16.Qb3 Bh7 17.Nh2 Rb8 18.Ng4 Ng4 19.Bg4 e4? 20.de4+– Be4 21.Ne4 Re4 22.Bf3 Qg5? 23.Rd5 Qg6 24.Be4 Qe4 25.Red1 Qg6 26.Qd3 Qe6 27.Qf5 Qe8 28.Rd7 Rc8 29.Qf4 Ne7 30.Rc7 Rc7 31.Qc7 Qa4 32.Qd7 Qc2 33.Qd2 Qf5 34.Qd7 Qg6?? 35.Qg4 Qc2 36.Be5 f5 37.Qd4 Nc6 38.Qd5 Kh8 39.Bd6 Bd6 40.cd6 Nd8 41.d7 b5 42.Qd6 Kh7 43.Rd2 Qb1 44.Kh2 1–0. Fournier,Frederic (2000) – reusman (2015), Echecs21, 2003.

6.c4 Ne7?? 7.c5 Ne4 8.cd6 Qd6 9.Nc3 Nc3 10.Bc3 Bd7 11.Be2 f6 12.0-0 Nc6 13.d4 e5 14.de5 fe5 15.b5 Ne7 16.Be5 Qh6 17.Bc7 0-0 18.b6! a6 19.Qd4 Rae8 20.Qh4 Qg6 21.Ne5 Qe6 22.Nd7 Nf5 23.Qh3 Qd7 24.Bd3 d4 25.ed4 Qd5 26.Rac1 Rf6 27.Bc4 Qc4 28.Rc4 Kh8 29.Rc5 Nd4 30.Qd7 Ne2 31.Kh1 Ng3 32.hg3 Rh6 33.Kg1 Rg8 34.Bf4 Rg6 35.Qb7 h6 36.Rc7 Kh7 37.Qa6 h5 38.Qd3 h4 39.Rc6 hg3 40.Qg6 Kh8 41.Qh5 1–0. Fournier,Frederic – NAUTILOS, Active, 2009.

6.d4 0-0 7.c4 e5?? 8.c5?? Be7 9.de5 Ne4 10.Nbd2 Bg4 11.Be2 b6 12.cb6 ab6 13.0-0 Bg5 14.h3 Bh5 15.Qc2 Na7 16.Ne4 de4 17.Nd4 Bg6 18.Rfd1 Qe7 19.Nc6 Qe6 20.Na7 Ra7 21.Rac1 Rc8? 22.Bc4 Qe7 23.Be2 Kh8?? 24.Bg4 f5?? 25.ef6 gf6 26.Bc8 1–0. Fournier,Frederic – austincollins, Active, 2009.

6.Be2 =.

7.Bc4 0-0 8.0-0 Bd7 9.Nc3 Qe7 10.d4 Rad8 11.Qc2 e5 12.de5 Ne5= 13.Ne5 Be5 14.Nd5 Nd5 15.Bd5 Bb2 16.Qb2 Qd6? 17.Rad1 Qe7 18.Bb7 Rb8 19.Bf3+/– a5 20.Qd4 Rbd8 21.Qc5 Qe6? 22.Qa5 Qc4 23.Qc5 Qa6 24.Ra1 Bb5 25.Rfc1 c6 26.Bc6 Bc6= 27.Qc6 Qd3?? 28.g3 h6 29.b5 Rb8 30.b6 Qb3 31.Rcb1 Qd3 32.b7 Qd8 33.a4 Qe7 34.a5 Rfd8 35.a6 Rd6 36.Qc8 Rc8 37.bc8Q Rd8 38.Qb7 Qd6 39.a7 Kh7 40.a8Q Ra8 41.Ra8 Qe5 42.Qc8 Qe4 43.Qh8 Kg6+– 44.Ra6 (44.Ra6 f6 45.Rb5+–) 1–0. Fournier,Frederic (1940) – jessicah (1725), Active (5/0), 2004.

7.Bc4 0-0 8.0-0 e5 9.b5 Na5 10.Be2 Bf5 11.Be5 Be5 12.Ne5 Ne4 13.d4 a6 14.f3 Nd6 15.ba6 Ra6? 16.Ba6+– ba6 17.e4 Be6 18.d5 Bd7 19.Nd7 Qd7 20.Nc3 Ndc4 21.Re1 c6 22.dc6 Qc6 23.Rc1 Qc5 24.Kh1 Ne3 25.Qe2 Nb3 26.Qe3 Qe3+/– 27.Re3 Nc1 28.Nd5 Rb8 29.h3 Rb1 30.Kh2 Ra1 31.Nb4 Na2? 32.Na6 Rd1 33.Rb3 Rc1 34.Rb8 Rc8 1–0. Fournier,Frederic – Robbo, Rated Game fr.lichess.org, 2011.

7.Bc4 0-0 8.0-0 Ng4 9.h3 Nf6 10.d4 e5?? 11.de5+– Be5 12.Ne5 Qd1 13.Rd1 Ne5 14.Be5 Ne4 15.Nc3 Nc3 16.Bc3 Bf5 17.Rd2 Rad8 18.Rad1 Rd2 19.Rd2 h6 20.Bd3 Be6 21.Be4 c6 22.Bd4 a6 23.Bc5 Re8 24.f4 Bh3 25.gh3 Re4 26.Rd8 Kh7 27.Rd7 f6 28.Rb7 Rc4 29.a4 Rc1 30.Kf2 Rc2 31.Kf3 Rb2 32.Rb6 Ra2 33.a5 1–0. Fournier,Frederic – gutiliza, Active, 2008.

7.Bc4 a6 8.0-0 0-0 9.Nc3 b5 10.Be2 Bb7 11.d4 Ne7 12.Rc1 Ne4 13.Ne4 Be4 14.Bd3 Bb7 15.Qc2 g6 16.Be4 Be4= 17.Qe4 Nf5 18.h3 a5 19.ba5 Ra5 20.Qc2 Nh4 21.Nh4 Qh4 22.Qc3 Raa8 23.d5 e5 24.f4 f6 25.fe5 Be5 26.Qb3 Bb2 27.Qb2 Qg5 28.Qb3 Rad8 29.d6+– Kh8 30.dc7 Rd2 31.Rf2 Rf2 32.Kf2 Rc8 33.Qd3 Qe5 34.Qd8 Rd8 35.cd8Q Kg7 36.Rc7 Kh6 37.Qe7 Qb2 38.Kg1 Kg5 39.Rc5 Kh6 40.Qf8 1–0. Fournier,Frederic (1715) – jhobb (1730), Active (4/2), 2004.

7.Bc4 Ne7 8.d4 Ng6 9.Nbd2 c6 10.0-0 0-0 11.Rc1 Qc7 12.h3 Ne7 13.Bd3 Ned5 14.Ne4 Ne4+= 15.Be4 f5 16.Bd5 ed5= 17.Qd3 f4 18.ef4 Bf4 19.Rce1 Bf5 20.Qb3 Be4?? 21.Ne5?? Bh6?? 22.f3 Bf5= 23.Bc1 Bc1 24.Rc1 Qd6 25.Rfe1 Rae8 26.Re3 Qe6 27.Ng4 Qg6= 28.Re8 Re8=+ 29.Qc3 Qg5 30.Re1 Re1 31.Qe1 Kf8 32.Qe3 Qe3 33.Ne3 Bd3 34.Kf2 Ke7 35.Ng4 Ke6 36.Ne5 Kf6?? 37.g4 Bb5 38.f4 g6 39.h4 h6 40.Kg3 Ba4? 41.Nd7+– Kg7 42.Nc5 Bc2 43.Nb7 h5 44.gh5 gh5 45.Nc5 1–0. Fournier,Frederic – capablanca81, Active, 2008.

6.c4 dc4 7.Bc4 Be7 8.0-0 a6 9.d4 0-0 10.Re1 Ne4 11.Nbd2 Nd2 12.Qd2 b5 13.Ba2 Bf6 14.e4 Qe7? 15.e5+– Bh4 16.g3 Bf6 17.ef6 Qf6 18.Nh4 Qd8 19.d5 ed5 20.Qd5 Ne7 21.Qe5 (21...Nf5 22.Nf5 Qg5 23.Ne7 Kh8 24.Qg5 Rg8 25.Bf7 Bf5 26.Nf5 c5 27.Qg7 Rg7 28.Bg7#) 1–0. juanpacio (1820) – eduso, internet, 2007.

6.Bd3 Bd6 7.0-0 e5 8.b5 Na5 9.Ne5+/– h6 10.Nd7+– Qd7 11.Qf3 Be7 12.Bd4 c6 13.Nc3 c5 14.Bf5 Qd6+/– 15.Bf6 Bf6 16.Rad1 d4 17.Ne4+– Qe5 18.Nf6 Qf6 19.Qd5 g6 20.Bd7 Kf8 21.Qc5 Kg7 22.Qd4 Qd4 23.ed4 Rhd8 24.Bh3 Rd4 25.d3+– Rad8 26.Rde1 R4d5 27.a4+– b6 28.Re7 Ra8? 29.Be6 Rc5 30.Rf7 Kh8 31.c4 Nb3 32.Bd5 Re8 33.Ra7 Nd4 34.a5 Ne2 35.Kh1 Rb8 36.a6 Re8 37.Rd7 Nf4 38.d4 Nd5 39.dc5 Nb4 40.cb6 Nc2 41.b7 Ne1 42.a7 Nf3 (43.a8R Rg8 44.Rg8 Kg8 45.b8Q; 42...Nd3 43.b8Q Nf2 44.Rf2 Rg8 45.Qg8 Kg8 46.a8Q#) 1–0. mexcrement – heyuneverno (1615), net–chess.com, 2001.

6.c4 dc4 7.Bc4 a5 8.b5 Na7 9.Nc3 c6 10.bc6 Nc6 11.0-0 e5 12.Bb5 Bg4 13.d3 0-0 14.h3 Bh5 15.Qc2 Bf3=+ 16.gf3 Nd7 17.Bc6 bc6 18.Ne4 Nf6 19.Be5+/– Ne4 20.fe4 Bh4 21.Bg3 Qg5+= 22.Kh2 Bg3 23.fg3 Qe3 24.Rae1 Qh6 25.Rf4 Ra6 26.Ref1 c5 27.Qc5+/– Qc6 28.Qc6 Rc6 29.h4 Rc3+= 30.d4 Ra3 31.d5 Rd3 32.Ra1 Ra8 33.Ra4 Rb3 34.Kh3 Rb4 35.Rb4 ab4 36.Rf3 Rb8 37.Rb3 Kf8 38.Kg4 Ke7 39.Kf4 f6 40.g4 g6 41.Ke3 Kd6 42.Kd4 h6 43.Ke3 g5 44.hg5+/– hg5 45.Kd3 Ke5 46.Ke3 Rb7 47.Rb1 b3-/+ 48.Rb2 Rb4 49.Kf3 Re4 50.Rb3-/+ Kd5?? 51.Rb6 Re6 52.Rb5 Kd6 53.Rf5 Ke7 54.Ra5 Kf7 55.Rf5? Re5–+ 56.Re5 fe5 57.Ke4 Ke6 58.Kd3 Kd5 59.Ke3 e4 60.Kd2 Kd4 61.Ke2 e3 62.Ke1 Ke4 63.Ke2 Kf4 64.Kd3 Kf3 (64...Kf3 65.Kc3 Kg4–+) 0–1. Fournier,Frederic (1670) – polgita (1650), Active, 2006.

6.d4 0-0 7.Bd3 Bd7 8.0-0 Ne4 9.c4+= Nf6 10.c5 Be8 11.Nbd2 a6+= 12.Qc2 g6 13.Bc3 Kg7 14.a4 Na7 15.Rfb1 c6 16.Re1 Bd7 17.Ne5 Ne4 18.Be4+– de4 19.d5! Bf6 20.Nd7 Qd7 21.Bf6 Kf6 22.Qb2 Ke7 23.d6 Kd8 24.Nc4 b5 25.Qf6 Kc8 26.Nb6 Kb8 27.Nd7 (27.Nd7 Kb7 28.Nf8+–) 1–0. Wrede,Christian – Kroll,Horst_Uwe, PCM–2004–G8.21, 2004.

5.Nc3 a6 6.e3 0-0 7.Be2 e5 8.0-0 Nbd7 9.d3 Re8 10.Qd2 (10.Rb1 b5=+) 10...Qe7 (10...b6 11.Nh4=+) 11.Rab1 (11.Na2 b6=+) 11...b5 12.Rfe1 Bb7 13.Red1 Rad8 14.Na2 Qe6 15.Nc1 Nb6 (15...Rc8 16.Nb3=+) 16.Nb3 Na4 17.Ba1 Qf5 (17...Re7 18.Na5 Ba8 19.c4 dc4 20.dc4 Bf3 21.gf3=) 18.d4 (18.Na5 Ba8=+) 18...e4 19.Ne5 Be5 20.de5 Nd7 21.Nd4 Qg6 22.f4 ef3 23.Nf3 Nab6 24.Bd3 Qg4 25.Bd4 Nc4 26.Qc3 Re7 27.Rf1 Rde8 28.Rf2 Ndb6 29.Rbf1 Bc8 30.Bb6 (30.Nd2 Na4 31.Qa1 c5 32.bc5 Ne5 33.Be5 Re5 34.Rf7 Re3= (34...Nc5?? 35.Qe5 Be6 36.Re7 Re7 37.Qb8 Bc8 38.Bf5+–)) 30...Nb6= 31.Nd4 Na4 (< 31...Re5 A) 32.Rf7?! A1) 32...Re3? 33.Qc5 (33.Rc7?! Nc4=) 33...g6 34.Rf8 Kg7 35.Qc7 Nd7 36.R8f4+–; A2) 32...R5e7 33.R7f4 Qh5=; B) 32.Qc7 Nd7 33.Bf5+–) 32.Qc6 Nb6 33.Rf7 Qg5 (33...Rf7 34.Qe8) 34.Re7 Re7 (< 34...Qe3 35.Kh1 Re7 36.Qc5+–) 35.Qc5 Bh3 36.Rf2 Rf7 37.Bf1 Qe3 (37...Bg4 38.Rf7 Kf7 39.e6 Kg6 40.Bd3 Kh6 41.Kh1+/–) 38.Nf3 Rf3 39.gf3 Qg5 40.Kh1 Bf1 41.f4 Bg2 42.Rg2 Qf4 43.Qc3 g6 44.Qe1 Nc4 45.e6 Ne3 46.Rg3 Nf5 (46...Nc2? 47.e7 Ne1 48.e8Q Kg7 49.Qe1+–) 47.Rd3 c6 48.Qe2 Qc1 49.Kg2 (49.Rd1 Qa3 50.Re1 Kf8=) 49...Qg5= 50.Kf2 Qf6 51.Rf3 Kf8 52.Qe3 Ne3 (52...Kg8 53.Qa7=) 53.Rf6 Ke7 54.Rf7 Ke6 55.Rc7 (55.Rh7 Nc2 56.Ra7 d4= (< 56...Na3 57.Ra6 Nc4 58.Rc6 Nd6 59.h4+/–)) 55...Kd6 56.Rh7 Nc2 57.Rh6 (57.Rh3 Ke6=) 57...Kd7 (57...Na3 58.Rg6 Kd7 59.Rg7 Kd8 60.h4+/–) 58.Rh3 g5 59.Rg3 Ke7 60.h3 Kf6 61.Rd3 Ke5 62.Rg3 Kf4 63.Rf3 Ke4 64.Rg3 (64.Rc3 Nd4=) 64...Kf4 (64...d4 65.Ke2=) 65.Rf3 Ke4 66.Rg3 (66.Rf6 Nd4=) 66...Kf4 (66...d4 67.Ke2=) ½–½. b4_player (2240) – Topkiller5 (2310), GameColony.com, 2003.

5.Nc3 b6 6.Nb5 0-0 7.Ne5 (7.Nd6 cd6 8.e3 e5=) 7...c6 (7...a5 8.Nd3=) 8.Nd6 Qd6 9.e3 Nbd7 (9...a5 10.b5=) 10.d4 (10.f4 a5=) 10...Bb7 (10...a5 11.ba5 Ra5 12.c4=) 11.c4 c5 (11...a5 12.c5 Qe7 13.Bd3=) 12.bc5 (12.cd5 Qd5 13.dc5 bc5 14.Qd5 Bd5 15.Nd7 Nd7+=) 12...bc5= 13.dc5 (13.Rc1 Rac8=) 13...Nc5 14.cd5 (14.Bd4 Rfd8=) 14...Qd5 (14...Bd5 15.Ng4 Nfd7 16.Rc1=) 15.Nc4 Nfe4 16.Qg4+= f6 (Black launches an attack) 17.Rd1 Qc6 18.f3+/– Ng5 19.Na5 Nf3= 20.Kf2? Qb6 21.Nb7 Qb2–+ 22.Be2 Ne5 23.Qh3?? Nb7 24.Qe6? Kh8 25.Rb1 Nc5 26.Qd5 Ncd3 27.Kg3 Qe2 28.Qe4 Nf2 29.Rhe1 Ne4 (30.Kh3 Qg4) 0–1. rabelloenter (2000) – mgoodrich (2000), net–chess.com, 2006.

5.Nc3 Nc6 6.Nb5= Bf4 (6...Be7!?=) 7.e3+= Bh6 8.Be2 0-0 9.0-0 (9.Bf6 gf6 10.0-0 e5+=) 9...a6 (9...Nd7 10.Nbd4+=) 10.Nbd4 Ne7 11.Ne5 b6 12.Ndf3 a5 (12...Bb7 13.d4+=) 13.b5 Qd6 14.d3 Nf5 (14...Bb7 15.a4+=) 15.g4 Ne7? (better is 15...Ne3!? 16.fe3 Be3 17.Kg2 Bb7+/–) 16.g5+– Ng4? (16...Bg5 17.Ng5 Nd7+–) 17.Ng4 (17.gh6?! Nh6 18.a4 c5+–) 17...Bg5 18.Ng5 Nf5 (18...f6 19.Nh3 h5 20.Nf6 gf6 21.Nf4+–) 19.e4 de4 (19...Ne7 20.c4+–) 20.Ne4 Qe7 21.Bf3 Qh4 (21...Ra7+–) 22.Nef6! gf6 (22...Qf6 23.Nf6) 23.Nf6 (23.Bf6 Qh5 24.Ba8 Qg6+–) 23...Kg7 24.Ba8 Kg6 (24...Nd4 25.Qh5 Qf6 26.Qg4 Qg6 27.Bd4 f6 28.Qg6 hg6 29.Bg2+–) 25.Be4 Qg5 26.Kh1 Kh6 27.Rg1 Qf4 28.Qh5 1–0. b4_player (2230) – benhamin (1895), GameColony.com, 2003.

5.Nc3 Nbd7 6.e3 c5 7.Nb5 Bb8 8.c4 a6 9.Nc3 0-0 10.d4 cb4 11.ab4 dc4 12.Bc4 Nb6 13.Bd3 Nbd5 14.Nd5 Nd5 15.b5 Bd6 16.ba6 ba6 17.0-0 Bb7 18.Qc2 (18.Ba3 Nc3 19.Qb3 Bf3 20.Bd6 Qg5=) 18...h6 (18...Nb4 19.Qe2 Bf3 20.gf3 Nd3 21.Qd3 Qg5 22.Kh1–+) 19.Ne5 Be5 20.de5 Nb4 21.Bh7 Kh8 22.Qc5 a5 23.Bb1 Bg2?? (better is 23...Qd5 24.Qd5 Bd5=) 24.Kg2+– Qg5 25.Kh1 Qg4 26.f3 (26.Ra5?! Qf3 27.Kg1 Qg4 28.Kh1 Qf3 29.Kg1 Qg4 30.Kh1=) 26...Qh3 27.Be4 Rac8 28.Qa7 1–0. Valverde,Mario (1610) – Raines,David, OP–2010-0-01349, 2010.

5.c4 0-0 6.c5 Be7 7.e3 a5 8.Qc2 ab4 9.ab4 Ra1 10.Ba1 Nc6 11.b5 Nb4? (better 11...Na5+=) 12.Qc3+- b6 13.Qb4 bc5 14.Qb2 Bd7 15.Be2 Qa8 16.0-0 Rb8 17.Nc3 c6 18.Ne5 Be8 19.b6 Qa5 20.b7 (20.Rb1 Rb7+-) 20...Qa7? (better 20...Qc7 21.f4 Rb7+-) 21.Rb1 d4 22.ed4 (better 22.Na2!? Nd5 23.Bc4 f6+-) 22...cd4 23.Nd1 c5 24.Bf3 Bd6 (24...Nd5 25.Qb3 Qa5+-) 25.Nc6 Bc6 26.Bc6 Qa6 27.Qb6 (better 27.Qb5 Qa2 28.d3 Nd5+-) 27...Qa3? (27...Qa2+-) 28.Bf3 Bf4 (28...Bf8 29.Qc7 Qa7 30.Rb5+-) 29.Bb2 Qd3 30.Ra1 Qd2 (30...h5 31.Qc5 Ng4 32.Bg4 (32.Qh5?! Bh2 33.Qh2 Nh2 34.Kh2 Qd2+-; 32.Bd4?? Bh2 33.Kh1 Qf1) 32...hg4 33.g3 Qd2 34.Qd4 Qd4 35.Bd4 Bg3 36.hg3 Rb7 37.Ne3+-) 31.g3 Qe1 (31...g5 32.gf4 g4 33.Bg2 Qe1 34.Bf1+-) 32.Kg2 Be5 (32...Nd5 33.Qc5 h5 34.Ra8+-) 33.Ra8 Nd7 (33...g5 34.Rb8 Kg7+-) 34.Rb8 Nb8 35.Qd8 1-0. carlos78 (2325) - Ilya_Pugachov (2195), Rated Blitz game, lichess.org, 2015.

5.c4 c5 6.bc5 Bc5 7.cd5 (7.d4 Be7=) 7...Qb6=+ (< 7...Qd5 8.Bf6 gf6 9.Nc3+=) 8.Bd4? (better is 8.Qc2!? Bf2 9.Kd1=+) 8...Bd4–+ 9.Qa4 Bd7 (better is 9...Nc6 10.dc6 Bf2 11.Kd1 bc6–+) 10.Qd4= Qd4 11.Nd4 Nd5 12.e4 Nf6 (12...Nf4 13.Nc3=) 13.Nc3 (13.e5 Nd5=) 13...0-0 (13...e5 14.Ndb5 Bb5 15.Bb5 Ke7 16.Rf1=) 14.Rb1 (14.e5 Nd5+=) 14...b6 15.Bb5 (15.e5 Nd5+=) 15...e5 (15...Bb5 16.Ncb5 Nbd7 17.Nc6 Ne4 18.Nc7=) 16.Nf5 Bb5 17.Ne7 Kh8 18.Rb5 Re8 19.Ned5+= Rc8 20.Nf6 gf6 21.f4 Nc6 22.0-0 Rd8 23.Nd5 ef4 24.Rf4?? Nd4–+ 25.Rb4 Ne2 (26.Kf2 Nf4 27.Nf4 Rd2 28.Ke3 Rad8–+) 0–1. jpettit (2350) – jjrizzo (2285), net–chess.com, 2006.

5.d3 c5 6.bc5 Bc5 7.Nbd2 Qb6 8.e3?? (better 8.d4 Qb2 9.dc5-/+) 8...Qb2–+ 9.Rb1 (9.d4 Ba3 10.Rb1 Qc3–+) 9...Qa3 10.Be2 (10.d4 Bb4–+) 10...Qa5 (10...Nc6 11.0-0–+) 11.0-0 Bd6 12.Nb3 Qc7 13.h3 Nc6 14.c4 0-0 15.c5 (15.Nbd4 Nd4 16.Nd4 a6–+) 15...Be7 16.d4 h6 (16...a5 17.Bb5–+) 17.Nfd2 (17.Nbd2 Bd7–+) 17...Nh7 (17...Bd7 18.Bb5–+) 18.e4 (18.Nf3 Bd7–+) 18...Re8 (18...Ng5 19.e5 a5 20.Bb5–+) 19.ed5 (19.Re1 Ng5–+) 19...ed5 20.Nf3 Bf5 (20...Nf6 21.Bd3–+) 21.Rb2 (21.Bd3 Be6–+) 21...Qc8 (21...Nf6!? 22.Bb5–+) 22.Bb5 a6 (22...Ng5!? 23.Ne5 a5 24.Ra2–+) 23.Bc6 bc6 24.Ne5 (24.Na5 Nf6–+) 24...Nf6 (24...f6!? 25.Nf3–+) 25.Na5 Bd7 (25...Bc5 26.g4 Bh7 27.Nac6–+) 26.Nd7 (26.Re1 Qc7 27.Qa4 Bd8–+) 26...Nd7 27.Qa4 Nb8 (27...Rb8 28.Rb8 Nb8 29.Qb4–+) 28.Rfb1 Bd8 29.Nb7 Re7 (29...Bc7 30.Nd6 Bd6 31.cd6–+) 30.Nd8?? (better 30.Nd6 Qd7 31.Rb8 Rb8 32.Rb8-/+) 30...Qd8–+ 31.Rb6 Rc7 (31...a5 32.R1b2–+) 32.Re1 Raa7 (32...a5 33.Rbb1–+) 33.Reb1 Ra8 34.Re1 Re7 35.Re7?? (35.Reb1 a5 36.Kf1–+) 35...Qe7–+ 36.Kf1 (36.Qb4 Qd8–+) 36...Qc7 (36...a5 37.Rb2–+) 37.Qb3 (37.Kg1 a5–+) 37...a5 38.Rb7 (38.Qa4 Qf4 39.Kg1 Qc1 40.Kh2 Nd7–+) 38...Qc8 39.Qb6 (39.Re7 Nd7 40.Qa4 Nf6–+) 39...a4 40.Rc7 (40.Re7–+) 40...Qa6 41.Qa6 Ra6 (better 41...Na6 42.Re7 a3–+) 42.Rc8 Kh7 43.Rb8 a3 44.Rb1 a2 45.Ra1 Kg6 46.Ke2 Ra3 47.f4 (47.Kd2–+) 47...Kf5 48.Kf2 (48.Kd1 Ke4 49.Kc2 Kd4–+) 48...Ke4 49.g3 (49.Ke1 Kd4 50.Kd2 Kc5–+) 49…Kd4 0–1. owkenobi – rumafresa (1605), gameknot.com, 2017.

5.d3 Nbd7 6.Nbd2 (6.e4 de4 7.de4 Ne4 8.Bg7 Rg8=) 6...0-0=+ 7.c4 (7.e4 Bf4=) 7...b6 (7...c5 8.bc5 Nc5 9.e3=+) 8.g3 (8.e4 de4 9.de4 e5=) 8...Bb7 (8...c6 9.Bg2=+) 9.Bg2= c5 10.bc5 Bc5 11.0-0 Re8 (11...dc4 12.Nc4 b5 13.Ne3=) 12.Nb3 (12.d4 Be7=) 12...e5 (12...Be7 13.cd5 Bd5 14.Rc1=) 13.Nc5 bc5 14.cd5 Bd5 15.Qa4 (15.Rc1 Rb8 16.Bc3 Qe7=) 15...Nb6 16.Qh4 e4 17.Bf6 Qf6 18.Ng5 h6 19.Ne4 Qh4 20.gh4 Be4 21.Be4 Rac8 22.Rfc1 c4 23.f3 cd3 24.Bd3 Re7 25.Kf2 Rec7 26.Rc7 Rc7 27.Rb1 Kf8 28.Rb3+= Ke7 29.e4 Kd6 30.Ke3 f6 31.f4+= Re7 32.Kd4 h5 33.Rb5+– g6 34.e5 fe5 35.fe5 Ke6 36.Bg6 Rd7 37.Ke4 Nc4?? 38.Bf5 (38...Ke7 39.Bd7 Kd7 40.Rb7 Ke6 41.Ra7 Nd2 42.Kf4+–) 1–0. Pena,Patrick – Beltrami,Matthew, AUS–ch U18 Sydney, 2002.

5.d4 Nbd7 6.e3 c6 7.Nbd2= Qe7 8.c4 e5 9.Be2 (9.cd5 e4 10.dc6 bc6=) 9...e4 10.Nh4 Nf8 11.g3 (11.cd5 Nd5 12.g3 g5=) 11...Bh3=+ 12.Rg1 (12.g4 g6 13.g5–+) 12...Ng6 (12...g5 13.Ng2 Ne6 14.b5-/+) 13.Ng2 h5 (13...0-0 14.Nf4 Bf5 15.Kf1-/+) 14.Nf4=+ Bf5 15.Nh5 (15.Rc1 Nf4 16.gf4 0-0=+) 15...Nh5-/+ 16.Bh5 Nf8 (better 16...Qg5!? 17.Bg6 Qg6-/+ (worse 17...Bg6 18.cd5 cd5 19.Qa4 Ke7 20.Rg2=+)) 17.h4= 0-0-0 (17...Nd7 18.Be2=) 18.cd5 cd5 19.Bg4 Qe6 20.Bf5 Qf5 21.Nb3 Kb8 22.Nc5 b6 (22...Nd7 23.Qe2=) 23.Na4 (23.Qb3!?+=) 23...Nd7=+ 24.Nc3 a6 (24...Nf6 25.Qe2=+) 25.g4 Qe6 26.h5 f5 (26...Nf6 27.Rc1=) 27.gf5+= Qf5 28.Qg4 Qg4 29.Rg4 Rh5 30.Rg7 Nf6 31.0-0-0 Rh2 (31...Rf5 32.Rf1+=) 32.Rf1+– Rf8 33.Rg5 (33.Kc2+–) 33...Rc8 (better 33...Kc7!?+=) 34.Kb1+– Rf8 35.f4 Kc7 (35...ef3 36.Rf3 Kb7 37.Rgf5+– (worse 37.Nd5 Nd5 38.Rf8 Rh1 39.Ka2 Nb4 40.Kb3 Bf8 41.ab4 Rh3+–)) 36.Nd5 Nd5 37.Rd5 Rg8 38.Rg5 Rgh8 (better 38...Rg5 39.fg5 Rg2 40.Rf7 Kd8+–) 39.Rc1 Kd8 (39...Kd7 40.Rg7 Be7 41.d5+–) 40.Rc6 Rh1 (40...Be7 41.Rd5 Ke8 42.Rb6 Rh1 43.Ka2+–) 41.Bc1 (better 41.Ka2 R1h6 42.d5 Be7 43.Bh8 Bg5 44.fg5 Rh8+–) 41...Bc7 (41...Kd7 42.d5 Be7+–) 42.Rg7 Bb8 (42...Bf4 43.ef4 R8h6 44.Rh6 Rh6 45.f5+–) 43.Rb6 Kc8 44.Rc6 Kd8 45.Rb7 Bf4 46.ef4 e3 (46...R8h6 47.Rcc7 e3 48.Rg7+–) 47.Ra6 Kc8 48.Re7 Kd8 (48...Kb8 49.Rb6 Ka8+–) 49.Rg7 Rc1 50.Kc1 (50.Kc1 Rh1 51.Kc2 Rh2 52.Kc3 Rc2 53.Kc2 e2 54.Ra8) 1–0. tino_vegh (2050) – aga2013 (1760), gameknot.com, 2014.

5.Be5 Be5 6.Ne5 0-0 7.e3 Nbd7 8.Nf3 b6 (8...a5 9.b5=+) 9.d4 (9.Bb5 a6 10.Bc6 Ra7=) 9...Bb7 10.Nbd2 a5 (10...c5 11.Be2=) 11.b5 Qe7 12.Bd3 Rfc8 13.0-0 c6 14.bc6 Bc6 15.Qb1 Ba4 (15...b5 16.Qb2=) 16.c4+= Rc7 17.e4 de4 18.Ne4 Rac8 19.Ned2 (19.Nf6 Qf6 20.Bh7 Kh8+=) 19...g6 (19...Qd6 20.Re1=) 20.Re1+= Qd6 21.Re3 Ng4 22.Re2 Bc6 23.Qb2 Ba8 24.Be4 Ndf6 (24...Be4 25.Ne4 Qf4 26.Ned2+=) 25.Ba8+/- Ra8 26.h3 Nh6 27.g4 Nfg4? (better 27...Nd7!?+=) 28.hg4+- Ng4 29.Rae1 h5 (29...Rcc8 30.Re4 Nh6 31.Re5+-) 30.d5! 1-0. Adlai - Dangerous_Man, internet, 2020.

5.Bf6 Qf6 6.c3 0-0 7.d4 c6 8.Nbd2 Nd7 9.e4 e5 10.ed5 (10.Bd3!?=+) 10...cd5-/+ 11.de5 (11.Nb3 Re8 12.Be2 e4-/+) 11...Ne5-+ 12.Nd4?? (12.Qb3 Nf3 13.Nf3 Re8 14.Kd1 Bg4-+) 12...Bg4 (12...Re8!? 13.Ne4 de4 14.Bb5 Nd3 15.Bd3 ed3 16.Kf1-+) 13.Be2?? (better 13.f3-/+) 13...Nd3!!-+ 14.Bd3 Bd1 15.Rd1 Rae8 (15...Rfe8 16.Kf1-+) 16.Kf1 Be5 17.N2f3 Rc8 18.Ne5 Qe5 19.g3 (19.Ne2 Rfe8-+) 19...Rc3 20.Kg2 (20.Nf3 Qe7-+) 20...Rd3 21.Rd3 Qe4 22.Rf3 Qd4 23.Re1 g6 (23...Qc4 24.Re7-+) 24.Re7 b6 (24...b5 25.h3-+) 25.Ra7 (25.Rf4 Qd3 26.Rf3 Qb5-+) 25...Qe4 26.h3 Rc8 (better 26...f5 27.Rc7 g5 28.Rcc3-+) 27.Raf7 Rc3 28.Rf8 Kg7 29.R8f7 Kh6 30.g4 Rf3 31.Rf3 d4 32.Kg3 d3 33.Rf7 (33.Re3 Qd5 34.Re1 d2-+) 33...Qe5 (better 33...Qd5 34.Ra7 d2 35.f4-+) 34.f4 Qe3 35.Kg2 Qe2 36.Kg3 Qe3 37.Kg2 g5 38.fg5 Kg5 39.Rf5 Kg6 40.Rf3 Qe4 41.Kf2 (41.Kg3-+) 41...d2 42.Re3 (42.h4 d1Q 43.Rf6 Kf6 44.g5 Ke5 45.Kg3 Qdf3 46.Kh2 Qg2) 42…Qd4 (42...Qd4 43.Kf3 d1Q 44.Re2 Qf6 45.Kg3 Qg1 46.Rg2 Qff2) 0-1. black_bishop_88 (2535) - gross7 (2195), 1st CL WorldCup G3 Qualif, lichess.org, 2020. (=1.a3 d5 2.b4 e6 3.Bb2 Nf6 4.Nf3 Bd6)

5.g4 Ng4 6.Bg7 Rg8 7.Bb2 a5 8.b5 Qe7 9.Rg1 f5 10.h3 Nh6 11.Rg8 Ng8 12.c4 Nd7 13.Nc3 c6 (13...dc4 14.e3=) 14.d3 (14.e3 Nb6+=) 14...Ngf6= 15.Qc2 Nc5 (better 15...e5=) 16.0-0-0 (better 16.d4!? Ncd7 17.c5+=) 16...Bd7 (16...dc4 17.dc4 Nce4 18.bc6 bc6 19.Nb1-/+) 17.Kb1 Rc8 18.b6 dc4 19.dc4 Nce4 20.Ne4 Ne4 21.Nd2? (better 21.e3=+) 21...Nf2-+ 22.Rc1 Ba3 23.c5 Bb2 24.Qb2 Kf7 (24...e5 25.Nf3-+) 25.Nc4 (25.Qd4 Ne4 26.Ne4 fe4 27.Qe4 Kf8=) 25...Rg8 (better 25...Ne4!?-/+) 26.Nd6= Kf8 27.e3 Ne4 28.Ne4 fe4 29.Be2 (better 29.Qe5 Rg7 30.Bc4= (worse 30.Qe4 e5-/+)) 29...Ke8?? (better 29...e5 30.Rf1 Ke8=+) 30.Bh5+- Kd8 31.Bg4?? (better 31.Qe5 Qg5 32.Qc7 Ke7 33.Rf1+-) 31...Kc8 (31...h5 32.Bh5 Qg5 33.Bg4 Qe3 34.Rd1=) 32.Qd4 (better 32.Qe5!? Qd8 33.Qc3+=) 32...e5=+ 33.Qd7? (better 33.Qd2 Bg4 34.hg4=) 33...Qd7-+ 34.Bd7 (34.Rf1 Rg4 35.Rf8 Qd8 36.Rd8 Kd8 37.hg4 h6-+) 34...Kd7 35.Rd1 Ke7 36.Rd6 (36.Kb2 Rg2 37.Kc1 h5-+) 36...Rg6 37.Rg6 (37.Rd1-+) 37...hg6 38.Ka2 Ke6 39.Kb3 Kd5 40.Ka4 Kc5 41.Ka5 Kc4 42.Ka4 c5 43.Ka5 Kb3 44.Kb5 c4 45.Kc5 c3 46.Kd6 c2 47.Kc7 c1Q 48.Kb7 Qe3 (48...Kb4 49.Ka7 Kb5 50.b7 Qa3 51.Kb8 Kc6 52.h4 Qe7 53.h5 Qb7) 49.Ka7 Qb6! 50.Kb6 e3 51.h4 e2 52.h5 e1Q 53.h6 Qg3 (better 53...Qc3 54.h7 e4-+) 54.Kc7 Qh4 55.h7 Qh6 56.h8Q Qh7 0-1. black_bishop_88 (2535) - Odessacoach (2530), lichess.org, 2020. (=1.a3 e6 2.b4 d5 3.Bb2 Nf6 4.Nf3 Bd6)

6.Nb5 a6 7.Nd6 cd6 8.e3 Nc6 9.Be2 e5 10.0-0 h6 11.d3 Nh7 12.Rc1 f5 13.c4 Ne7 14.c5 g5? (Better is 14...Nc6+/–) 15.cd6 Qd6 16.Ne5 Qe6 17.Re1 Nc6 18.Nc6 bc6 19.e4 de4 (19...Nf6+–) 20.de4 Qg6 (20...Rf7 21.Qd8 Rf8 22.Qd4+–) 21.ef5 Bf5 22.Bh5 1–0. COMP – NN, 2003.

6.d4 a5 7.ba5 c5 8.e3 Ra5 9.Bd3 c4 10.Be2 Nc6 11.0-0 b5 12.Rb1 Bd7 13.h3 Qc7 14.Qd2 Rfa8 15.Rfd1 R8a6 16.Ra1 Ne7 17.Rdb1 Ng6 18.Qe1 Qb8 19.Qc1 Ra7 20.Nd2 Bc6 21.Bf3 Nh4 22.Be2 Ne4 23.Nde4 de4 24.a4 b4 25.Bf1 Rb7 26.Nd1 c3 27.Bc3 bc3 28.Nc3 Rb1 29.Rb1 Qd8 30.Qd2 Rg5 31.Qd1 Qa5 32.Nb5 Bb8 33.Ra1 Rg6 34.Kh1 Qd8 35.Rb1 Rg5 36.c4 Qf6 37.Qe1 Rg6 38.Nc3 Qd8 39.d5 ed5 40.cd5 Ba8 41.Ne4 Bd5 42.Qd2 Bc7 43.Rd1 f5 44.Qd5 Qd5 45.Rd5 fe4 46.Rh5 Bd8 47.Bc4 Kf8 48.Bd5 Ra6 49.Rh7 Nf5 50.Be4 Nd6 51.Bc2 Rc6 52.Bd3 Rc3 53.Bf1 Ra3 54.Rh8 Ke7 55.Rh4 Ba5 56.Rh7 Kf6 57.Rh4 Ke7 58.Kg1 Bc3 59.Rf4 Ra2 60.h4 g6 61.g3 Rd2 62.Kg2 Nf5 63.Kf3 Nd6 64.Bg2 Nf7 65.Kg4 Ne5 66.Kg5 Nd3 67.Rc4 Bf6 68.Kh6 Rf2 69.Be4 Ne5 70.Rc2 Rc2 71.Bc2 Ng4 72.Kg6 Ne3 73.Bb3 Nf1 74.a5 Ng3 75.a6 Bd4 76.h5 Kd6 77.h6 Kc6 78.Bc4 Ne4 79.h7 Kb6 80.Be2 Nc5 81.Kf7 Na6 82.Kg8 Be5 83.h8R Bh8 84.Kh8 ½–½. Super Nova – Excellence 4 MHz, SSDF, 1990.

6.e3 Nbd7 =+.

7.e3 a5 =+.

7.Be5 Ne8 8.e3=+.

8.e3 Ng4 9.Bd4 =.

9.Nc3 Nc7 10.Be2 =.

9.Nc3 Bd6 10.Ba6+= ba6 11.0-0 Qc7 12.Bd6 Qd6 13.d4 Qc7 14.Qd3+= a5 15.Rfb1 ab4 16.ab4 a5 17.b5 cb5 18.Nb5 (The passed pawn on a5 will quickly become a dangerous weapon) 18...Qe7 19.c4 dc4= 20.Qc4 Bb7 21.Qc7 Qc7 22.Nc7 Bf3 23.gf3 Ra7 24.Nb5 Raa8 25.Nd6 Ra6 26.Nb7+/– a4 27.Nc5 Ra7 28.Ra4 Ra4 29.Na4 g5 30.Rb7 Kg7 31.Nc5 Kg6 32.Kf1 h5 33.e4 Rd8 34.Rb4 h4 35.Ke2 Nh5 36.Nd3 Ra8 37.Rb6 Kg7 38.d5 ed5+= 39.ed5 Rd8 40.d6+/– Nf6 41.Rb5 Rd6+= 42.Rg5 Kh6 43.f4 Ne4 44.Rg8 Kh5? 45.Ne5+– f5 46.f3 Nc3 47.Kf2 Nd5?? 48.Nf7 Rb6 49.Rg5# 1–0. gtate (2485) – gtan (2225), net–chess.com, 2007.

9.Nbd4 Nd7 10.Ba6-/+ Ne5 11.Ne5 Qc7 12.f4 ba6 13.Ndc6 (13.Nec6 Bh4 14.Kf1 Bf6-/+) 13...Bb7 (Better is 13...Bd6!? 14.Na5 Be5 15.fe5 Bd7+=) 14.Ne7-/+ Qe7 15.0-0 f6 16.Nd3 e5 (16...Bc6!?-/+) 17.fe5+– fe5 18.Qh5 Rf1 19.Rf1 Re8 20.Ne5! Rf8 21.Rf8 Qf8 22.Nd7 Qe7 23.Nc5 Bc8 24.Qd5 Kh8 25.Qa8 Qc7 26.c4 a5 27.d4 ab4 28.ab4 h6 29.e4 Kh7 30.Qd5 Bg4?? +–. market (1865) – kizort, GameColony.com, 2002.

10.c3 Bd6 11.Bd3 Be5 12.Ne5 Qd6 13.f4+= a5 14.0-0 ab4 15.ab4 Ra1 16.Qa1 Ne4 17.Be4 de4 18.Qb1 f6 19.Nc4 Qd5 20.Nb6 Qh5 21.Qe4 Nd5?? 22.Nc8+– Rc8 23.Qe6 (23...Qf7 24.Qc8 Qf8 25.Qb7+–) 1–0. marekt (2355) – Tamas_Demeter (1725), ICC, 2003.

10.c3 Nd7 11.Bf4=.

10.Bd3 Bd6 11.0-0= a6 12.c3 Nb5 13.Nb5 ab5 14.a4 ba4 15.Ra4 Ra4 16.Qa4 Qc7 17.Bf6 gf6 18.Qc2 f5 19.Kh1 Kh8 20.Ra1 Rg8 21.c4 f6 22.c5 Qg7 23.Rg1 Be5 24.Ne5 fe5 25.Be2 e4 26.d4 Qg5 27.Qd2 h5 28.b5+/– h4 29.b6 h3 30.g3 Bd7 31.Ra1 Be8 32.Ra7 Bh5? 33.Rb7 Be2 34.Qe2 Ra8 35.Ra7 Rg8 36.b7 Qd8 37.Qh5 (37...Kg7 38.b8Q Qe7 39.Re7 Kf6 40.Rf7#) 1–0. themonkey (2060) – baguio_boy (1840), GameColony.com, 2002.

10.Bd3 Ne4 11.0-0 =.

10.Be2 a5=.

10.Be2 Bd6 11.0-0 Be5 (11...a5 12.ba5 c5 13.Nb3=) 12.Ne5 Nd7 13.f4 f6 14.Nd7 Bd7 15.Bd3 Qe7 16.Qh5 f5 17.Be2 Be8 18.Qf3 Bg6 19.c4 e5 20.fe5 Qe5 21.Qf4 Qf4 22.Rf4 dc4 23.Bc4 Bf7 24.Bf7 Rf7 25.Rf5 Rd8 26.Rf7 Kf7 27.Rf1 Kg8 28.Rf3 Nd5 29.Kf2 Nf6 30.Ke2 h6 31.d3 Rf8 32.b5 cb5 33.Nb5 a6 34.Nd6+– b5 35.d4 Nd7 36.Rf8 Kf8 37.e4 Nb6 38.Kf3 Ke7 39.e5 Ke6 40.Ke4 g5 +–. market (2065) – enescuvlad (1845), GameColony.com, 2002.

10.Be2 Ng4 =.

6.e3 Nbd7 7.Bd3 a5 8.0-0 ab4-/+ 9.ab4 Ra1 10.Qa1 Bb4 11.Ba3 Qa5 12.Bb4=+ Qb4 13.Rb1 Qd6-/+ 14.h3 0-0 15.Qa7 e5 16.Bf5 e4 17.Nd4 Qe5 18.Na4 g6 19.Bd7=+ Nd7 20.Nc5 Nc5 21.Qc5 Qg5 22.Kh2 Qe5 23.Kg1 Qg7 24.Ra1 Qe5 25.Rb1= ½–½. gtate (2475) – gmgenius (2410), net–chess.com, 2007.

6.e3 e5 7.Be2 a5 =+.

6.e3 e5 7.Ne2 e4 8.Nfd4 a5 9.ba5 Ra5 10.Ng3 0-0 11.Be2 b5 12.0-0 Qc7 13.d3 Be5 14.Bc3 Ra4 15.Qd2 Re8 16.Rfb1 Bg3 17.hg3=+ Na6 18.Bb2 Bg4 19.Bg4= Ng4 20.de4 de4 21.Qe2 Nf6 22.Nb5 cb5 23.Bf6 Qc6 24.Bd4 Nc7 25.Qh5 Rc4 26.Rb2 Ra8 27.c3 Rca4 28.Qc5+= Qd7 29.Qe5 f5 30.Bc5 Rc4= 31.Qd6 Qd6 32.Bd6+= Ne8 33.Bb4 Nf6 34.Rd1 Kf7 35.Rbd2 Rc6 36.Kf1 Rac8 37.Ke2 Ke8 38.Rb1 Ra8 39.Rd4 Kf7 40.Rc1 Rac8 41.Rh1 Ke6 42.f3 h5 43.Rb1 g6 44.Rbd1 Kf7 45.R4d2 Re6 46.f4 Rec6= 47.Rd4 Ke6 48.Rd6 Kf7 49.R1d4 Ke8 50.Ke1 Ng4 51.Rc6 Rc6 52.Ke2 Nf6 53.Rd2 Kf7 54.Rd8 Ke6 55.Rb8 Nd5 56.Rb5 Nc3 57.Bc3 Rc3 58.a4 Rc2 59.Kf1 Rc1 60.Kf2 Rc2 61.Kg1 Ra2 62.a5 Ra1 63.Kh2 Ra3 64.Rb6 Kf7 65.a6 Re3 66.a7 Ra3=+ 67.Rb7 Ke6 68.Kg1 Kd5 69.Rc7 Ra2 70.Kf1-/+ Kd4 71.Rb7 Kd3–+ 72.Rd7 Ke3 73.Kg1 Ra1 74.Kh2 Kf2 75.Rd2 Ke1 76.Rd7 e3 77.Rb7 Kf2 78.Rb3 Ra7 79.Rc3 e2 80.Rf3 Ke1 81.Rb3 Ra1 82.Rd3 0–1. COMP – COMP, 25', 2001.

6.e3 0-0 7.d4 a5 8.b5 c6 9.Bd3 a4 10.bc6 Bc6 11.0-0 Nbd7 12.Nb5 Bb5 13.Bb5 Qc7 14.g3 Rfc8 15.Rc1 Nb6 16.Nd2 Qe7 17.Ra1 Qd8 18.Rb1 Ra7 19.f3 Nc4 20.Nc4 dc4 21.e4 c3 22.Bc1 Be7 23.Qd3 h6 24.f4 Qb6 25.e5 Nd5 26.f5 Rd8 27.fe6 fe6 28.Bh6 Ba3 29.Be8 Qc7 30.Qg6 b6 31.Qe6 Kh7 32.Qg6 Kg8 33.e6 Re8 34.Qe8 Kh7 35.Rf7 Qc4 36.Bg7 Rf7 37.Qh8 Kg6 38.Qh6 Kf5 39.ef7 Bf8 40.Rf1 Qf1 41.Kf1 Ne3 42.Ke2 Ng4 43.Qh5 Ke6 44.Qg6 Kd5 45.Qg4 1–0. SOS031199 – Queen219, computer chess game, 2001.

6.e3 0-0 7.Be2 c5 8.bc5 Bc5 9.0-0 Nc6 10.Rb1 a6 11.Na4 Bb6?? 12.Bf6+– gf6 13.Nb6 Ra7 14.d4 (14...Qe7 15.c4 dc4 16.d5 ed5 17.Nd5+–) 1–0. kamret (2145) – NN, GameColony.com, 2003.

6.Nb5= a6 7.Nd6 Qd6 (Better is 7...cd6!? 8.e3 0-0=) 8.Be5-/+ Qe6 (Better is 8...Qe7!?-/+) 9.Bc7+– 0-0 10.e3 Nbd7 (10...Nc6 11.Be2+–) 11.Nd4 Qe7 12.Nf5 (12.Be2 Ne5 13.Be5 Qe5+–) 12...Qe6 13.Bd3 b6 (13...Ne5 14.Be5 Qe5 15.f4+–) 14.Nd4 Qe7 15.0-0 Ra7?? (15...Ne4+–) 16.Nc6 Qe8 17.Na7 Bb7 18.b5 Qa8 19.ba6 Qa7 20.ab7 Qb7 21.Bf4 Qc8 22.Bf5 Qe8 23.Bd6 g6 24.Bd7 Qd7 25.Bf8 Kf8 26.Rb1 b5 27.Qe2 Qd6 28.Qd3 Ng4 29.f4 Qd7 30.Qb5 Qe6 31.Qc5 Kg7 32.Rb8 Qf6 33.Qf8 1–0. kamret – Reservoir_Dog, GameColony.com, 2002.

6.Nb5 Nc6 7.Nd6 cd6 8.e3 0-0 9.Be2 a6 10.0-0 Ng4 11.d4 (11...Re8 12.a4 Nb4 13.de5 Ne5 14.Ba3=). market (2190) – HighRollers (1620), GameColony.com, 2002.

6.Qc2 b5 =.

6.Nc3 a5 7.b5 =+.

6.Nc3 a6 7.e4= e5 (Black gets the initiative) 8.Bc4 b5 9.Bb5 ab5-/+ 10.Nb5 Qe7 11.d3 0-0 12.Rc1 Bb4 13.Nd2? Bd6 14.0-0 Ba6 15.Nd6 cd6 16.Nf3 Nbd7 17.h3 Nc5 18.Rc5 dc5 19.Re1 Nd7 20.g4 f6 21.Qc2 Rfc8 22.Nd2 Rab8 23.f3 Bd3 24.Qd3 Rb2 25.Nc4 Rbb8 26.Nd6 Rf8 27.Rd1 Qe6 28.a4 Rb4 29.Nb5 Nb8 30.Nc7 Qc4 31.Qd6 Qb3 32.Ne6 Qe3 33.Kf1 Qf3 34.Kg1 Qg3 35.Kf1 Qh3 36.Ke1 Re4 37.Kd2 Qe3 38.Kc2 Rc4 39.Kb1 Qb3 (40.Ka1 Ra4#) 0–1. Bias – Fritz,Harry, DDR, 1962.

6.e3 0-0 7.Bc4 a6 8.d4 Nbd7 9.0-0 b5 10.Bd3 Nb6 11.e4 Bf4 12.Qc2 g6 13.Nbd2 Bb7 14.Nb3 Na4 15.Bc1 Bc1 16.Rac1 c6 17.Na5 Qc7 18.Qd2 Nd7 19.Qh6 f6 20.Bc2 Nc3 21.Rfe1 Na4 22.Bb3 Rae8 23.Qh3 Bc8 24.Rc6 Qf4 25.Be6 Kh8 26.Bd7 Bd7 27.Qd7 Re4 28.Nb7 Rfe8 29.Qe8 Re8 30.Re8 Kg7 31.Nd8 Qf5 32.Rc7 Kh6 33.Nf7 Kh5 34.h3 Qb1 35.Kh2 Qb2 36.g4# 1–0. marekt – papaloga, ChessWorld.net, 2003.

6.e3 b5 7.d3 cd3 8.Qd3 a6-/+ 9.e4 Nh5 10.e5= Be7 11.Qe4 Qd5 12.Qg4 g6 13.Nc3 Qb3 14.Ra2 f5 15.Qh3 Nf4 16.Qh6 Nd5 17.Nd4 Nc3 18.Nb3 Na2 19.Qg7 Rf8 20.Qh7 g5 21.Be2 Nb4 22.ab4 Bb4 23.Kf1 Kd8 24.Qh6 g4 25.Nd4 Re8 26.Qf6 Re7 27.h3 c5 28.Nf5! ef5 29.Qb6 Kd7 30.Qd6 Ke8 31.hg4 Be6 32.Rh8 Kf7 33.Rh7 Kg8 34.Qe7 (34...Ra7 35.Rg7 Kh8 36.Qf8 Bg8 37.Qg8#) 1–0. Schulz,Hans_Juergen – Jonsson,Gudbrandur, TT–07 TSC, 2003.

6.cd5 (6.c5 Bc7=) 6...ed5 7.e3 0-0 (7...Bg4 8.Be2=) 8.Be2= Nbd7 (8...Bg4 9.0-0=) 9.0-0 Re8 (9...Nb6 10.Qc2=) 10.Bd3 (10.Qc2 a5 11.b5 c5=) 10...Ne4 (10...a5 11.b5=+) 11.Nc3 (11.Be2 Nb6=) 11...Ndf6 (11...a5 12.Qc2 Ndf6 13.b5=) 12.Rc1 (12.Be2 Nc3 13.Bc3 Bg4=) 12...Bg4 (12...Qe7 13.Be2=+) 13.h3 (13.Be2 a5 14.d3 ab4 15.ab4 Bf3 16.Bf3 Ng5=+) 13...Bf3 14.gf3 Ng5 (14...Nc3 15.Bc3 Be5 16.Qc2=+) 15.f4 Nge4 (15...Bf4 16.ef4 Nh3 17.Kh2 Nf4 18.Qf3 Nd3 19.Qd3 Ng4 20.Kg2-/+) 16.Ne4 (16.Ne2 Be7=+) 16...Ne4 (16...de4 17.Be2=+) 17.Be4 (17.Qg4 g6=) 17...de4=+ 18.Qg4 g6 (18...f6 19.Bc3=+) 19.f3 (19.Rfd1 a5 20.d3 ab4 21.ab4 Ra2 22.de4 Rb2= (22...Re4? 23.Be5+–)) 19...f5 (19...a5 20.Bc3=+) 20.Qg3 (20.Qg2 a5 21.Qe2 Qh4=+) 20...Qe7 21.h4 Kf7 22.Kf2 Rad8 23.Rh1? Bb4! 24.ab4 Rd2 25.Kf1 Rb2 26.h5 Qf6 27.hg6 Qg6 28.Qg6 Kg6 (29.Rd1 Re6 (29...Rb4?! 30.Rd6 Kg7 31.Rd7 Kg8 32.Rhh7-/+; 29...ef3?! 30.Rd6 Kg7 31.Rd7 Kg8 32.Rhh7=+) 30.fe4 fe4–+ (30...Re4 31.Rd6 Kg7 32.Rd7 Kg8 33.Rhh7=; 30...Rb4?! 31.e5–+)). shoulders – touchdown, ChessWorld.net, 2007.

6.e3 dc4 7.Nc3 0-0 8.Bc4 b5 9.Be2 a5 10.ba5 Qa5 11.0-0 Nbd7 12.Qc2 Bb7 13.Ne4 Be7 14.d4 Rac8 15.Bc3 Qb6 16.Nf6 Nf6 17.Bb4 c5 18.dc5 Bc5 19.Bc5 Qc5 20.Qb2 Bf3 21.Bf3 Rb8 22.Rfc1 Qb6 23.Rab1 Rfd8 24.h3 h6 25.Rc3 Qa5 26.Rb3 Rdc8 27.Rb5 Rb5 28.Qb5 Qa3 29.Qb7 Rf8 30.Qc7 g5 31.Qe5 Kg7 32.Rb7 Qc1 33.Kh2 Qc2 34.Rb2 Qf5 35.Qc3 h5 36.Bh5 e5 37.Bf3 Rh8 38.Kg1 e4 39.Bg4 Qg6 40.Rb6 Re8 41.Bh5 Qf5 42.Rb7 Rf8 43.Bg4 Qg6 44.Qe5 Re8 45.Qd4 Rf8 46.Rb6 Re8 47.Kh2 Re7 48.Rb5 Kh6 49.Rf5 Time forfeit 1-0. carlos78 (2250) - durdevic (2120), Rated Blitz game, lichess.org, 2015.

6.Nc3 a5 7.e4 de4 8.de4 e5 9.Bd3 ab4 10.ab4 Ra1 11.Ba1 Bb4-/+ 12.Nd2 Qd4 13.Kf1?? Bc3–+ 14.Bc3 Qc3 15.Nf3 Bg4 16.Be2 Nc6 17.h3 Bf3 18.Bf3 Rd8 19.Qc1 Nd4 20.Kg1 Nf3 21.gf3 Qf3 22.Kh2 Ne4 23.Rf1 Nf2 24.Kg1 Qg3# 0–1. guest931 – guest28, ICS blitz, 2000.

6.c4 =+.

6.Nbd2 a5 7.b5 Qe7 8.c4 c6 9.a4 dc4 10.dc4 e5 11.e3 Rd8 12.Qc2 e4 13.Nd4 Bb4 14.Rd1 Bg4 15.Be2 c5 16.Bg4 cd4 (16...Ng4?! 17.Nf5 Qd7 18.Ng7 Bd2 19.Rd2 Qd2 20.Qd2 Rd2 21.Kd2 Nf2 22.Rf1+=) 17.Bh3 d3 18.Qb3 Nbd7 19.0-0 Nc5 20.Qa2 Ne8 21.Bd4 Ne6 22.Be6 Qe6 23.Qa1 Nd6 24.Bc3 Rac8 25.Bb4 ab4 26.Qb2 Nc4 27.Qb4 Nd2 28.Rd2 Rc4 29.Qb3 Rdc8 30.Rdd1 Rc2 31.Qe6 fe6 32.Ra1 b6 33.h3 R8c4 34.Kh2 d2 35.Rad1 Ra4 0–1. Louro,Eugenio Diogo (2190) – Cardenas Huaman,Alfredo, 2nd Webchess Open Tournament group, 2006.

6.Nbd2 c6 7.e4 Bc7 8.e5 Nfd7 9.d4 b6 10.c4 c5 11.Qc2 (11.dc5 bc5 12.bc5 Nc6=) 11...cd4= 12.Bd3 h6 13.cd5 ed5 (13...Be5? 14.de6 fe6 15.Be4+–) 14.e6 fe6 15.Nd4 Nf6 16.Nb5 Bd6 17.Nd6 Qd6 18.Nf3 Nbd7 19.0-0 e5 20.Nh4 e4 21.Be2 Bb7 22.Nf5 Qf4 23.Nd4 Rfc8 24.Qb3 Re8 25.Qh3 Nf8 26.Rac1 Bc8 27.Qc3 Qg5 28.Rc2 Ng6 29.Qg3 Qg3 30.hg3 Bd7 31.Ba6 White plans b5 31...Ne5 32.Rc7 Ba4 (32...Kf7!?+=) 33.Nf5= Bd7 34.Nd4 Ba4 35.b5 (35.Nf5!? Bd7 36.Nd4=) 35...Nc4 36.Bc1. Fevat,Tristan (2085) – Jean,Claude (2200), Provence–ch, 2007.

6.Nbd2 Nbd7 7.g3 c6 8.Bg2 Qc7 9.0-0 e5 10.c4 e4 11.de4 Ne4 12.cd5+/– Nd2 13.Nd2 cd5 14.Bd5 Nf6 15.Bf6 gf6 16.Rc1 Qe7 17.e3 Rd8 18.Qb3 Be6 19.Be6 fe6 20.Ne4 Rac8 21.Nd6 Rc1 22.Rc1 Rd6 23.Rc8 Kg7 24.Qc2 Rd7 25.Qc5 Qc5 26.Rc5 b6 27.Rc6 Kf7 28.Kg2 Ke7 29.Kf3 Kf7 30.h4 Ke7 31.g4 Kf7 32.Ke4 h6 33.f4 Ke7 34.g5 hg5 35.hg5 fg5 36.fg5 Kf7 37.a4 Kg6 38.Re6 Kg5 39.Re5 Kf6 40.Rd5 Re7 41.Kd4 Rc7 42.a5 ba5 43.Ra5 Ke6 44.e4 Kd6 45.b5 Ke7 46.Ra6 Kf7 47.Kd5 Ke7 48.e5 Rb7 49.Kc6 Rd7 50.Ra4 Ke6 51.Re4 Rd5? 52.Re3 Rd4 53.Ra3 ½–½. fatou – pirco, HCL–A1567 playchess.de, 2003.

6.Nbd2 a6 7.c4 a5 (7...Be7 8.e3=) 8.c5 (8.b5 dc4 9.Nc4 Be7=) 8...Be7 9.e3 ab4 (9...b6 10.Bd3=) 10.ab4+= Ra1 11.Qa1 Bd7 12.Ne5 Be8 (12...b6 13.Bd3+=) 13.Bd3 Nc6 (13...Nfd7 14.Nd7 Bd7 15.Qb1+=) 14.Nc6 Bc6 15.b5 Bd7 16.0-0 Qa8 (16...b6 17.c6 Bc8 18.Ba3+/–) 17.f3 (17.Qd1 Qe8 18.Qe2 c6+/–) 17...Rd8 (17...Qe8 18.Qa5+=) 18.Qa8 (18.Bc3 Qb8+/–) 18...Ra8+= 19.Ra1 Ra1 20.Ba1 Ne8 (20...Bc8 21.Bc3+=) 21.Bc3 e5 22.g4 c6 23.b6 Bg5 24.Kf2+/– Bh4 25.Ke2 e4 26.Bc2 ef3 27.Kf3 Nf6 28.h3 h5 29.Bf5 hg4 30.hg4 Bf5 31.gf5 Be1 32.Ke2 Bd2=+ 33.Bd2 g5 34.fg6 fg6 35.Kf3 Kf7 36.Be1 (36...Ne4 37.Bh4-/+). dannyboy238 – Whiterose, ChessWorld.net, 2006.

6.Nbd2 b6 7.c4 dc4 8.Nc4 Be7 9.g3 Bb7 10.Bg2 Nbd7 11.0-0 Nd5 (11...Qc8 12.Rc1+=) 12.e4+– N5f6 13.e5 Nd5 14.Re1 c5 15.dc5 bc5 16.bc5 Bc5 (16...Nc5 17.Qc2=) 17.Bd4 Be7 (17...Rb8 18.Rc1+–) 18.h3 (better 18.Nd6!? Rb8 19.Ba7+–) 18...Rc8= 19.Ba7?? (better 19.Nd6 Bd6 20.ed6=) 19...Rc4–+ 20.Qb3 (20.Nd2 Rc6–+) 20...Qc7 21.Bd4 N5b6 (21...Rb8 22.Rab1–+) 22.Bb6 (22.Rab1 Bf3 23.Bb6 Nb6 (worse 23...Qb6 24.Qc4 Qa5 25.Bf3 Ne5 26.Qb3+–) 24.Qb6 Qb6 25.Rb6 Bh5–+) 22...Nb6 23.Reb1 (23.Rab1 Bc5 24.Nh4 Bd5 25.Bd5 Nd5–+ (worse 25...ed5 26.Kg2–+)) 23...Bf3 24.Bf3 Rb8 (24...Bc5 25.Kg2 Bd4 26.Ra2–+) 25.Qd1 Qe5 26.Rb6 (26.Qe2 Qc7 27.Ra2–+) 26...Rb6 27.Kg2 (27.Ra2 Rc3 28.Rd2 g6–+ (28...Ra3?? 29.Rd8 Bf8 30.Rf8 Kf8 31.Qd8)) 27...g6 (better 27...Rb2 28.Qe1 Qe1 29.Re1–+) 28.a4 (28.Qf1 Rc3 29.Re1 Qf6–+) 28...Rd6 (28...Rb2 29.Rb1 Rcc2 30.Qc2 Rc2 31.Rg1 Qe3 32.Rf1 Bc5 33.g4 Rf2 34.Kg1 Rf1 35.Kf1 Qf2) 29.Qe2 (29.Qf1 Rd2 30.Re1–+) 29...Qa1 30.Qc4 Rd4 (30...Rd2 31.h4 Qb2 32.Qf1–+) 31.Qc8 (31.Qb5 Qa4 32.Qa4 Ra4–+) 31...Kg7 32.Qc6 Qa4 33.Qc7 (33.Qc3 Bf6 34.Bc6 Qa2–+) 33...Qd7 (33...Bf6 34.Qc6–+) 34.Qe5 (34.Qd7 Rd7 35.h4 Rd2–+) 34...Bf6 35.Qc5 (35.Qe3 Rb4 36.h4 Bd4–+) 35...Rd2 36.Bc6 (36.Qe3 Ra2 37.Be2 Qd5 38.Bf3 Qc4–+) 36…Qd8 (36...Qd8 37.Qb4 Rb2–+) 0–1. pawnzilla60 – serfefe (1690), gameknot.com, 2018.

6.Nbd2 c6 7.e3 Qc7 8.Bd3 (8.c4 a5=) 8...a5 9.c3 (9.ba5 Qa5 10.0-0 b5=) 9...Nbd7 (9...b6 10.ba5 Ra5 11.c4=) 10.Nb3 (10.c4 dc4 11.Nc4 ab4 12.Nd6 Qd6=) 10...ab4 11.ab4 (11.cb4 Nb6=) 11...Ra1=+ 12.Qa1 b6 13.0-0 Bb7 14.Qb1 (14.Qd1 Ra8=+) 14...c5 (14...Ra8 15.Qc2=+) 15.bc5= bc5 16.Nc5 (16.dc5 Bc5 17.Rc1 Rb8=) 16...Nc5 (16...Bc5 17.dc5 Rb8 18.Be2=+) 17.dc5 Bc5 18.c4 (18.Rc1 Rb8=) 18...dc4=+ 19.Bc4 (19.Be5 Qc8 20.Bc2 Bf3 21.gf3 h6-/+) ½–½. alaamattar (2100) – gtan (1805), net–chess.com, 2005.

6.Nbd2 Bd7 7.e3 Ba4 8.Bd3 a5 9.b5 Nbd7 10.Qb1 Nb6 11.c3 Qd7 12.Bc1 c5 13.bc6 bc6 14.Ng5 h6 15.Ngf3 c5 16.dc5 Bc5 17.Ne5 Qc7 18.Ndf3 Bd6 19.Nf7 Rf7 20.h3 Nbd7 21.Bd2 Rb8 22.Qc1 Nc5 23.Bc2 Bc2 24.Qc2 Rb2 25.Qd1 Nd3 26.Kf1 Ne4 27.Kg1 Nd2 28.Nd2 Rf2 0–1. pittol – re074 (1965), gameknot.com, 2013.

6.e3 a5 7.b5 c5 8.dc5 Bc5 9.Nbd2 Nbd7 10.c4 a4 11.Bd3 Nb6 12.Rc1 dc4 13.Nc4 Qe7 14.Ng5 Nc4 15.Rc4 Ba3 16.Bf6 Qf6 17.Nh7 Qb2 18.Nf8 Bb4 19.Kf1 Kf8 (19...Bf8!? 20.Qe2 Qa1 21.Qe1 Qe5+/–) 20.Bc2+– Ke8 21.Qb1 (better is 21.Ba4 b6 22.Kg1+–) 21...Qb1+= 22.Bb1 Bd6 23.Rh4 (23.Bd3 a3 24.Ke2 Be5+=) 23...Ra5 24.Ke2 Bd7 25.Bd3 a3 26.Ra1 Bb5 27.Rh8 Ke7 28.f4 Bc6 29.g4 White plans f5 29...b5 30.f5? (better is 30.Rc8 Bd7 31.Rg8-/+) 30...ef5 31.Bf5 (31.gf5 Be5 32.Ra2 Bd5–+) 31...Be5 32.Ra2 Bd5 33.Rd2 Bc4 ½–½. Estevez,Eric (1980) – Habib,George (1840), Provence–ch access Vitrolles, 2000.

6.e3 a6 7.c4 dc4 8.Bc4 b5 9.Bd3 Nbd7 10.0-0 Bb7 11.Nc3 h6 12.e4 e5 13.Nb5 ab5 14.de5 Ne5 15.Ne5 c6 16.Nf3 Bc7 17.Qc2 Rc8 18.e5 Nd5 19.Bh7 Kh8 20.Bf5 Ra8 21.Rfe1 White plans e6 21...Bb6 22.e6 fe6 (22...Bc7 23.Rad1 Bd6 24.Qe4+-) 23.Re6 (23.Be6?! Rf3 24.gf3 Qg5 25.Kh1 Nf6+-) 23...Nf4 (23...Kg8+-) 24.Rh6 Kg8 25.Be6 Ne6 26.Qh7 (26.Qh7 Kf7 27.Qg6 Kg8 28.Qh5 Bf2 29.Kh1 Qd1 30.Rd1 gh6 31.Qg6 Ng7 32.Qg7) 1-0. marekt – TheShrink, ChessWorld.net, 2021.

6.e3 a6 7.c4 c6 8.Nbd2 Nbd7 9.Bd3 Re8 10.Ne5 Ne5? (better 10...Qc7 11.Ndf3 a5+=) 11.de5+- Be7 12.ef6 Bf6 13.Bf6 Qf6 14.0-0 e5 15.cd5 cd5 16.Nb3 e4 17.Bc2 Be6 18.Qd2 Rac8 19.Nd4 Bd7 20.Bb3 Bc6 (20...Qg5 21.Rac1+-) 21.Rac1 Red8 22.Rc5 b6 23.Rc6 Rc6 24.Nc6 Qc6 25.Rd1 (25.Rd1 Kf8 26.Bd5+-) 1-0. PEREIRA – Butelka, internet, 2022.

6.e3 b6 7.c4 a5 8.c5 Be7 9.Bd3 Ne4 10.Nbd2 f5 11.0-0 Bf6 12.Qc2 Bb7 13.Rfc1 c6 14.Ne1 (worse is 14.Ne4 fe4 15.Be4 de4 16.Qe4 Re8-/+) 14...b5 15.a4 (worse is 15.Be4 fe4 16.f3 Bh4+=) 15...Na6 16.Be4 (better is 16.ab5 Nb4 17.Qd1+=) 16...Nb4-/+ (16...de4?! 17.ba5 Qd5 18.Rcb1=; worse is 16...fe4 17.ba5 b4 18.Nb3=) 17.Qb1 fe4 18.ab5 cb5 19.Ba3 Nc6 20.Qb5 Qc7 21.Rab1 Ba6 22.Qb6 (22.Qa4!?+=) 22...Qd7-/+ 23.Qb3 Qf7 24.f3 Nd4! 25.ed4 Bd4 26.Kh1 e3 27.Qc2 ed2 28.Qd2 Be5 29.Bb2? (better is 29.c6 Qh5 30.h3–+) 29...Bf4 30.Qa5 (30.Qf2 Bc1 31.Rc1 a4–+) 30...Bc1 (better is 30...Qh5 31.h3 Qg6–+) 31.Rc1 Bc4 32.Qc3 Ra2 33.Nc2 Qf6 34.Nd4?? (better is 34.Ba1–+) 34...e5 (34...Rb8!? 35.c6 Rbb2 36.c7–+) 35.Nc2 Rb8 36.Ba1 Rb3 37.Qe5 0–1. Chen,Xingyu (1825) – Zhao,Chenxi (2050), Chinese Teams, 2015.

6.e3 b6 7.c4 c5 8.b5 a6 9.Nc3 ab5 10.Nb5 dc4 11.Bc4 Nc6 12.0-0 Ba6 13.dc5 Bc5 14.Qc2 Qe7 15.Rfd1 Na5 16.a4 Rfd8 17.Rac1 Rd1 18.Rd1 Rd8 (better 18...Nc4 19.Qc4 Bb7=+) 19.h3?? (19.Bd3+=) 19...Qe8 (better 19...Rd1 20.Qd1 Nc4-+) 20.Rd8 (better 20.Bd3!? Bb5 21.ab5+/-) 20...Qd8+= 21.Ne5 Nc4 22.Qc4 Bb5 23.Qb5 Nd5 (23...Qd2 24.Nd3 Bd6 25.g3=) 24.Nc6 (24.Nd7 Bf8 25.Bd4+/-) 24...Qc7? (better 24...Qd7 25.Nd4 Qb5 26.Nb5 f6=) 25.a5+- f6 26.ab6?? (better 26.a6 h6 27.Bd4 Bd4 28.a7+-) 26...Qb6= 27.Qb6 Bb6 28.Nd4 Kf7 29.Ne2 e5 30.Ba3 Ke6 31.Bb2 g6 32.Kf1 f5 33.Nc3 Bc7 34.Nd5 Kd5 35.Bc3 Bd6 36.Bd2 e4 37.Ke2 Kc4 38.Be1 Be5 39.Bd2 Kb3 ½-½. GM_HUSARZ (2135) - ctlfc26 (2155), Rated Bullet game, lichess.org, 2015.

6.e3 b6 7.Nbd2 c5 8.bc5 bc5 9.dc5 Bc5 10.c4 Nbd7 11.cd5 ed5 12.Qc2 Qe7 13.Bd3 Bb7 14.0-0 Rfc8 15.Qb1 Rab8 16.Bf5 Ba6 17.Rc1 Rb6 18.Qa2 Rcb8 19.Rab1 g6 (better is 19...Rb2!? 20.Rb2 Rb2 21.Qb2 Ba3+=) 20.Bd7= Nd7 21.Bd4 Rb1 22.Rb1 Rb1 23.Qb1 Bd4 24.ed4 Qa3 25.h3 Qd6 26.Qa2 Kg7 27.Qa4 f6 28.Nb3 Kf7 (better is 28...Bc4!?-/+) 29.Nc5+= Nb8 30.Nd2 Ke7 31.Nb1 Qb6 32.Nc3 Bc4 33.Qa3 Nc6 34.N3a4 Qb1 35.Kh2 Kf7 36.Qe3 Qf5 37.Qh6? (37.Nb7 Qd7 38.Nac5 Qe7-/+) 37...Kg8 (better is 37...g5!? 38.Qh5 Ke7–+) 38.Qe3+= Qc8 39.Kg1 Kg7 40.Ne6 Kf7 41.Nac5 g5 (41...Nd8!? 42.Nd8 Qd8 43.Qe6 Kg7+=) 42.f4 gf4 43.Qf4 Nd8 44.Nd8 Qd8 45.Qf5 Kg8 46.Qe6 Kg7 47.Qg4 Kh8 48.Qf5 Qe7 49.Ne6 a5 50.Nf4 The isolani on d5 becomes a target 50...a4 51.Nh5 Attacking the isolated pawn on f6 51...Qe3 52.Kh1 Qg5 53.Qc8 Qg8 54.Qf5 Qf7 55.Qc8 Qg8 ½–½. Estevez,Eric (1860) – Montagard,Guillaume (2115), Provence–ch Majeur op, 1999.

6.e3 Qe7 7.Nbd2 Re8 8.c4+= c6 9.Bd3 Nbd7 10.c5 Bc7 11.0-0 e5 12.de5 Ne5 13.Ne5 Be5 14.Be5 Qe5 15.Nf3 Qh5 16.Be2 Qg6 17.Bd3 Ne4 18.Nd4 Qh6 19.Re1 Bd7 20.Qf3 Rac8 21.Qf4 Qf4 22.ef4 Kf8 23.f3 Nf6 24.Kf2 Re1 25.Ke1 Re8 26.Kd2 Nh5 27.g3 a6 28.Re1 Re1 29.Ke1 g6 30.Ke2 Ke7 31.Ke3 Ng7 32.Nb3 (32.g4 Kf6+=) 32...h5= 33.h4 Nf5 34.Bf5 Bf5 35.Na5 Bc8 36.Kd4 Kf6 37.Kc3 Kf5 38.Nb3 Ke6 39.Nd2 f6 40.Nf1 Ke7 41.Ne3 Bd7 42.Kd3 Kf7 43.Kd2 Ke7 44.a4 (44.g4 f5 45.g5 Ke6+=) 44...Kf7 45.Kc3 Ke7 (45...Bh3 46.Nc2=) 46.Nc2 ½-½. PEREIRA – Zeilon, internet, 2021.

6.e3 Re8 7.Nbd2 Nbd7 8.Be2 e5 9.0-0 e4 10.Ne1 Nf8 11.c4 dc4 12.Nc4 a6 13.Nd2 Bf5 14.Qb3 Bg6 15.Nc4 Kh8 16.Nc2 Nd5 17.f3 ef3 18.Rf3 Bc2 (better 18...Ne6!?=) 19.Qc2+= b5 20.Nd6 Qd6 21.Rf7 (21.e4 Nf4 22.Bf1 f6+/-) 21...Ne3 (21...Kg8 22.Rf2 Ne3 23.Qb3 Kh8 24.Rf7+=) 22.Qc5 (better 22.Qc7!? Qg6 23.Rf2+/-) 22...Qg6= 23.Bf3?? White prepares the advance d5 (better 23.Rf2 Ne6 24.Bh5 Nc5 25.Bg6 hg6 26.dc5+=) 23...Qf7-+ 24.Ba8 Ra8 25.Re1 Re8 26.d5 (26.Qc6-+) 26...Nd7 (26...Nd5 27.Rf1 Nf4 28.Qc2-+) 27.Qd4? (better 27.Qc3 Nf5 28.Rf1-+) 27...Nc4 (better 27...Nf5 28.Qd2 Re1 29.Qe1 Ne7-+) 28.Ba1 (28.Re8 Nf8 29.Qg7 Qg7 30.Rf8) 28…Re1 0-1. alessandrocarvalhaes (1880) - ushangi (1890), lichess.org, 2019.

6.Ne5 a5 7.ba5 c5 8.e3 Qa5 9.Bc3 Qc7 10.Bd3 (10.Ng4 Ne4 11.dc5 Bc5-/+ (11...Nc5?? 12.Nf6 Kh8 13.Qh5+–)) 10...c4 11.Be2 Ne4 12.0-0 f6 13.Nf3 Nc3 14.Nc3 Nd7 (14...Bd7 15.a4-/+) 15.e4 (15.Nb5 Qc6 16.Qb1 e5=+) 15...Nb6 (15...Qc6!?=+) 16.Nb5= Qc6 17.Nd6 Qd6 18.ed5 ed5 19.c3 (19.Qb1!?=+) 19…Re8 (20.Re1 Ra3-/+) 0–1. piotrek3054 – CODD (1910), internet, 2007.

7.c4 dc4 8.Bc4 b6 9.Nbd2 Bb7 10.Be2 (10.Bd3 c5=) 10...Re8 (10...a5 11.ba5 Ra5 12.Nc4=) 11.0-0 e5 (11...a5 12.b5=) 12.de5 Be5 (12...Ne5 13.Rc1=) 13.Ne5+= Ne5 14.Be5 (14.Rc1 Qe7+=) 14...Re5= 15.Nf3 (15.Bf3 Bf3 16.Nf3 Rh5=) 15...Rd5 16.Qc2 (16.Qa4 Qe8 17.Qe8 Re8=) 16...Qe7 17.Rad1 Rad8 (17...c5 18.b5=) 18.Rd5 (18.b5 Qa3 19.Qc7 R8d7 20.Qb8 Qf8 21.Qf8 Kf8 22.Rd5 Bd5+=) 18...Rd5 (18...Bd5 19.b5=) 19.Rd1 (19.Rc1 c5=) 19...Qd7 (19...c5 20.Rd5 Bd5 21.b5=) 20.Rd5+= Qd5? (20...Bd5 21.Nd4+=) 21.Bc4 (21.Qc7 Nd7+–) 21...Qe4 (21...Qd6 22.Qb3+=) 22.Qe4 (better 22.Bf7!? Kf8 23.Qe4 Ne4 24.Ne5+–) 22...Ne4= 23.Ne5 (23.b5 Nd6 24.Bd3 c5 25.bc6 Bc6=) 23...Nd6 24.Bb3 (24.Be2 c5=) 24...Kf8 (24...c5 25.bc5 bc5 26.h3=) 25.f3 (25.Nc4 Nc4 26.Bc4 Ke7=) 25...f6 26.Nc4 Nb5 (26...Ke7 27.Nd6 Kd6 28.Bg8=) 27.Kf2 (27.a4 Nc3=) 27...Bd5=+ 28.a4 Bc4 (28...Nc3 29.e4 Bc4 30.Bc4 Na4 31.b5=+) 29.Bc4 Nd6 (29...Nc3 30.Bb3=) 30.Bb3 (30.Bd3 g6+=) 30...Ke7 (30...c5 31.bc5 bc5 32.e4=) 31.b5+= Nb7 32.e4 (32.h4 Nc5 33.Bc2 Kd6=) 32...Nc5= 33.Bd1 Kd6 34.Ke3 c6 35.bc6 Kc6 36.Kd4 Ne6 37.Kc4 (37.Kc3 Kc5=) 37...a6 38.g3 (38.Kb4 Nf4 39.g3 Nd3 40.Kc3 Nc5=) 38...b5 39.ab5 ab5 40.Kb4 Nc7 (40...Nd4 41.f4=) 41.Be2 Exerts pressure on the isolated pawn (41.Bb3 Na6 42.Kc3 b4 43.Kc4 g5+=) 41...Na6 42.Kc3 (42.Ka5 Nc7=) 42...Kc5 43.h4 (43.f4 b4 44.Kd3 Nb8=) 43...b4 44.Kb3 (44.Kd3 Nc7=) 44...Nc7 45.Bc4 Nb5 46.Bb5 Kb5 47.g4 (47.h5 Kc5 48.f4 Kd4 49.Kb4 g6–+) 47...Kc5 48.f4 White prepares the advance g5 (48.Kc2 Kd4 49.Kd2–+) 48...Kd4 49.e5 fe5 50.fe5 Ke5 51.Kb4 Kf4 52.g5 Kg4 53.Kc4 Kh4 54.Kd4 Kg5 55.Ke4 Kg4 (55...Kg4 56.Ke3 g5–+) 0–1. Fournier,Frederic – Filibusterov (1700), Active, 2009.

7.c4 dc4 8.Bc4 Nb6 9.Be2 a5 10.b5 Bd7 11.0-0 Ne4 (11...c6 12.Nc3=) 12.Ne5 Nd5 13.Bd3 Be5 (13...f5 14.a4+=) 14.de5+/- (worse 14.Be4 Bh2 15.Kh2 Qh4 16.Kg1 Qe4-/+) 14...Nc5 15.Bc4 (15.Bh7!? Kh7 16.Qc2 Kg8 17.Qc5+/-) 15...Nb6 16.Be2 Nba4 17.Bd4 b6 18.Nd2 h6 (better 18...c6!?+=) 19.Ne4+/- Ne4 20.Qa4 f5 21.ef6! Nf6 (21...Nf6 22.Be5 Combination; 21...gf6 22.Bb6 Combination) 22.Rac1 Nd5 23.Be5 1-0. PEREIRA – Zeilon, internet, 2021.

7.c4 dc4 8.Bc4 c6 9.Nc3 Nb6 10.Bd3 Re8 (10...Nbd5 11.e4 Nc3 12.Bc3+=) 11.Ne5 Nfd5 (better 11...Nbd5!?+=) 12.Bh7!+/- Kh7? (better 12...Kf8!? 13.Bd3 Be5 14.de5 Qg5+/-) 13.Nf7+- Qe7 14.Nd6 Rf8 (14...Rd8 15.Qc2 Kg8 16.Nc8 Rac8 17.Ne2+-) 15.Nce4 Nc4?? (15...Kg8+-) 16.Nc4 e5 (16...Kg8 17.Ne5 Qh4 18.Qd3+-) 17.de5 Bf5 18.Qh5 Kg8 19.Ng5 (better 19.Nf6 Nf6 20.ef6 Rf6 21.Bf6 Qf6+-) 19...Bd3 (19...Nb4 20.0-0 g6 21.Qh6+-) 20.Nd6 (better 20.e4 Be4 21.Ne4+-) 20...Rad8 (20...g6 21.Qh6 Qg7 22.Qg7 Kg7 23.Ne6 Kh7 24.Nf8 Rf8 25.Nb7 Be4+-) 21.e4 g6 22.Qg6 (22.ed5 gh5 23.Ne6 Qh4+=) 22...Qg7 23.Qe6 (23.ed5 Qg6 24.h4 Rd6 25.ed6 Re8 26.Ne6 Qe4 27.Kd2 Qe2 28.Kc3 Bg6-+) 23...Kh8 24.Ngf7 Kh7 25.Qh3 Kg8 26.Nh6 Kh7 27.Nhf5 Kg8 28.Ng7 Kg7 29.e6 (29.e6 Rf6 30.Nf5 Kg8 31.Qg4 Kf8 32.Qg7 Ke8 33.Bf6 Nf6 34.Qe7) 1-0. PEREIRA – Bleikut, internet, 2021.

7.c4 c6 8.Nbd2 Qe7 9.Ne5 a5 10.b5 cb5 11.cb5 Ne4 12.Ne4 de4 13.Nc4 b6 (13...Nf6 14.Nd6 Qd6 15.a4=) 14.d5+= e5 15.Rc1 (worse 15.Nd6 Qd6 16.Rc1 Nc5=+) 15...Bc5 (15...Bb7 16.Nd6 Qd6 17.Rc6 Bc6 18.dc6 Qd1 19.Kd1+=) 16.d6 (16.Be2!?+=) 16...Qe6= 17.Be2 Bb7 18.Qd2 Rae8 (18...Bd5!?=) 19.0-0+/- Qg6 20.Rc2 (20.f4!? ef3 21.Bf3 Bf3 22.Rf3=) 20...f5+= 21.Rfc1 Re6 22.Qd1 Kh8 (22...Bd6 23.Rd2 Rff6 24.Nd6 Rd6 25.Rc7 Rd2 26.Qd2+-) 23.g3 Qh6 (23...Bd6?? 24.Rd2 Rff6 25.Bh5+- (worse 25.Nd6 Rd6 26.Rc7 Rd2 27.Qd2 Rd6+-)) 24.Kg2 Qg5 25.h3 Qh6 26.Kh2 Qf6 (26...Bd6 27.Rd2 Rff6 28.Nd6 Rd6 29.Rc7 Rd2 30.Qd2+-) 27.Kg2 Qg5 (27...Qh6!?=) 28.Na5+/- Rd6 29.Rd2 Rd2 30.Qd2 Bc8 31.Nc4 f4 32.Bg4 Qe7 33.a4 Bb4 34.Qd1 Bc5 35.Qd2 fg3 (35...Bb4 36.Bc3 Bc5+=) 36.fg3+/- Qf7 (36...Bb4 37.Qd1 Qf7 38.Qe2+/-) 37.Qe2 Bb7 38.a5 Qf3 39.Qf3 ef3 40.Kf1 Nf6 41.a6 (41.Ne5?! Ne4 (worse 41...Ng4 42.Ng4 f2 43.a6+/-) 42.Bf3 Nd2 43.Ke2 Nf3=) 41...Bd5 (41...Be4 42.Ne5 (42.Be5?? Bd3 43.Kg1 Ng4-+) 42...Be3 43.Rd1+-) 42.Ne5 (42.Bf5 Nh5 43.g4 Ng3 44.Kf2 Ne2+-) 42...Be3+/- 43.Rd1 Ne4?? (better 43...Ng4 44.hg4 Rd8+/-) 44.Bf3+- (44.Rd5 Ng3 45.Ke1 f2 46.Kd1 f1Q 47.Kc2 Qg2 48.Kb1 Qd5 49.Bf3 Ne4 50.Nf7 Rf7 51.Ka1 Qb5 52.Bd1 Rf2 53.Be2 Re2 54.Bg7 Kg7 55.a7 Bd4) 44...Ng3 45.Kg2 (45.Kg2 Bf3 46.Nf3+-) 1-0. PierrE – Serems, internet, 2022.

7.Nbd2 Re8 8.Ne5 (8.c4 c6=) 8...Ne4 (8...a5 9.c4 Be7 10.c5=) 9.Ne4 de4 10.Qg4 Nf6 (10...a5 11.b5 f5 12.Qg3=) 11.Qh4= Qe7 12.Nc4 b6 13.Be2 Bb7 14.0-0 Rac8 15.Rad1 Qd8 16.Qh3 Bf8 17.Ne5 g6 (17...Bd6 18.Bb5+=) 18.c4 Bg7 19.c5 Bd5 20.Ba6 Ra8 21.Bb5 Rf8 22.Nc6?? (22.Rc1 h5+=) 22...Bc6?? (better is 22...Qd7 23.Na7 c6 24.Bc6 Bc6 (24...Qa7?! 25.Ba8 Ra8 26.cb6 Qb6 27.Rd2-/+) 25.Nc6 Qc6 26.cb6 Qb6–+) 23.Bc6+/– Rb8 24.f3 ef3 25.Rf3 (25.Qf3 Nd5+/–) 25...Qe7 (25...bc5!? 26.b5 a6+=) 26.Rdf1 Nd5? 27.e4+/– Nf6 28.Qh4+– Nd5? 29.Qf2 Nf6 30.Rf6 Bf6 31.Qf6 Qf6 32.Rf6 bc5 33.dc5 Rfd8 34.Be5 Rd1 35.Rf1 (35.Rf1 Rbd8 36.Bb5 Rf1 37.Kf1+–) 1–0. Yearwood,R (2080) – Kenney,David, Victoria CAN, 2012.

6.b5 Ne7 7.e3 Bd7 8.Be2 Ne4 9.0-0 Nf5 10.Ne5 0-0 11.Nd7 Qd7 12.a4 a6 13.Nd2 e5?? (better is 13...ab5 14.Ne4 de4 15.ab5 Ra1 16.Qa1 c6+=) 14.de5 (better is 14.Ne4 de4 15.de5 ab5 16.ab5 Ra1 17.Ba1 Rd8 18.ed6 Nd6+–) 14...Be7? (better is 14...Nf2 15.Rf2 Bc5+–) 15.Ne4 c6 (15...ab5 16.ab5 Ra1 17.Ba1+– (17.Qa1?! de4 18.Rd1 Qe6+–)) 16.Ng3 (better is 16.Bg4 Qc7 17.Nf6 Bf6 18.ef6 Nd6 19.fg7 Rfe8+–) 16...c5 (16...Ng3 17.hg3 ab5 18.ab5 Ra1 19.Ba1+–) 17.Bd3 (better is 17.Bg4 Ne3 18.fe3 Qd8+–) 17...c4 (17...Ng3 18.hg3 Qe6+–) 18.Bf5 Qd8 19.Qg4 ab5 20.ab5 Ra1 21.Ra1 h6 (21...Kh8 22.e6 c3 23.Bc3+–) 22.e6 f6 (22...Bf6 23.ef7 Rf7 24.Bf6 Qf6 25.Ra8 Rf8 26.Be6 Kh8 27.Rf8 Qf8 28.Bd5 Qa8+–) 23.Qg6 Bc5 (23...Re8 24.Qh7 Kf8 25.Qh8) 24.Qh7 1–0. groovenetwork – pieeater, ChessWorld.net, 2012.

6.e3 Bd7 7.Be2 Qe7 8.0-0 0-0-0 9.Nbd2 h6 10.Bd3 g5 11.h3 (11.c4!? Qe8 12.c5+/–) 11...g4+= 12.h4?? (better is 12.hg4 Rhg8 13.c4 dc4 14.Nc4+/–) 12...gf3–+ 13.Nf3 Rhg8 14.Re1 Nh5 15.Bc3 e5 (15...f5 16.Bf1–+) 16.de5 (better is 16.b5 Nb8 17.de5 Ba3 18.Nh2–+) 16...Ne5 17.Bd4 (17.Be5 Be5 18.Ne5 Qe5–+) 17...Ng4 (better is 17...Bg4!? 18.Be2 Nf3 19.Bf3 Qh4 20.Bg4 Rg4 21.Qf3 Qh2 22.Kf1–+) 18.Kf1 (18.Ba7 Nh2! 19.Bc5 Bg4 20.Bf5 Bf5 21.Bd6 Qd6 (21...cd6?! 22.Kh2 Be4 23.Rg1–+) 22.Nh2 Bh3–+) 18...f5 (18...Nhf6 19.c4 dc4 20.Bc4–+) 19.Ke2? (19.c4–+) 19...f4 20.Kd2 (20.Kf1 fe3 21.Be3–+) 20...Nf2 21.Qe2 Nd3 22.Qd3 Rg2 23.Kd1 Bg4 24.Rf1 fe3 25.Be3 Rf8 26.Qd4 Bf3 27.Kc1 Ng3 28.Rf2 Ne2 29.Re2 Rg1! 30.Bg1 Bf4 31.Re3? Be3?? 32.Be3+= b6 33.Kb2 Kb7 34.a4 Be2 35.a5 Bc4-/+ 36.a6 Ba6 37.Qd5 c6-/+ 38.Qd4 h5 39.Bg5 Qe8 40.Qg7 Ka8?? 41.Bd2?? Rg8 42.Qc7 Qc8 43.Qe5 Qd8 44.Qe6 Re8 45.Qc6= Bb7 46.Qa4 a6 47.Bg5 Qd4-/+ 48.Kb1 Re1 49.Bc1 Ka7 50.b5+= Qa4 51.Ra4 a5 52.Kb2 Bd5 53.Bd2 Re5 54.Bf4 Rf5 Draw agreed ½–½. stefanW – pieeater, ChessWorld.net, 2012.

6.Ra2 a5 7.b5 (7.ba5 Ra5 8.Bc3 Ra8 9.Be2 Nbd7 10.0-0 e5 11.Bb2 c6 12.a4 b6-/+; 7.Nc3 e5 8.Be2 Be6 9.Ng5 Bd7 10.0-0 e4 11.f3 h6 12.Nh3 Bh3-/+) 7...Nbd7 8.Be2 e5 9.0-0 c5 10.d3 Qc7 11.Nh4 Nb6 12.f4 Be6 =+.

6.Ra2 a6 7.Be5 (7.Be2 Nbd7 8.0-0 e5 9.d3 Qe7 10.c4 dc4 11.dc4 c5 12.Nh4 Qe6=+; 7.Bd3 Nbd7 8.Be2 b6 9.0-0 c5 10.bc5 bc5 11.c4 e5 12.cd5 e4=+) 7...Be5 8.Ne5 Nbd7 9.Nd7 Bd7 10.d4 Re8 11.Bd3 e5 12.de5 Re5 =+.

6.Ra2 c6 7.Be2 (7.Be5 Be5 8.Ne5 Nbd7 9.Nd7 Bd7 10.d4 a5 11.c3 Qe7 12.Bd3 e5=+; 7.Bd3 Nbd7 8.0-0 a5 9.b5 e5 10.Be2 cb5 11.Bb5 Qc7 12.Nh4 Nb6=+) 7...a5 8.b5 cb5 9.Bb5 Na6 10.Be5 Nc7 11.Be2 b5 12.Rb2 Ba6 =.

6.Ra2 Bd7 7.Be2 (7.Be5 Be5 8.Ne5 Nc6 9.Nc6 Bc6 10.d4 Qd6 11.Qf3 e5 12.Qg3 Rfe8=+; 7.Bd3 a5 8.b5 c5 9.c4 Re8 10.Be5 Bc8 11.Be2 Be5 12.Ne5 Nfd7=) 7...a5 8.b5 c6 9.a4 cb5 10.ab5 Qe7 11.0-0 e5 12.Ba3 Ba3 =.

6.Ra2 Nbd7 7.Be2 (7.Nc3 a5 8.Be2 ab4 9.ab4 Ra2 10.Na2 e5 11.0-0 Qe7 12.d3 Rd8=+; 7.Bd3 e5 8.Bf5 a5 9.b5 Qe7 10.Nc3 Nb6 11.Bc8 Rfc8 12.0-0 a4-/+) 7...e5 8.0-0 a5 9.Nc3 ab4 10.ab4 Ra2 11.Na2 Re8 12.d3 Qe7 =+.

6.Bb5 a5 7.ba5 Ra5 8.Be2 c6 9.0-0 Nbd7 10.Nc3 e5 11.d3 Qc7 12.Nd2 b5 13.Nb3 Ra7 14.Qd2 Nb6 15.Rfb1 Bf5 16.f3 e4 17.h3 ef3 18.Bf3 Rfa8 19.Nd4 Bd7 20.Qc1 Kf8 21.Kh1 Na4 22.Na4 Ra4 23.Ne2 Be5 24.d4 Bd6 25.Nc3 R4a5 26.Qd2 Bf5 27.g4 Bg6 28.Qc1 Qe7 29.Qd2 Ba3 30.Ra3 Ra3 31.Ba3 Ra3 32.Rb3 Ra1 33.Rb1 Ne4 34.Qc1 Rb1 35.Nb1 Kg8 36.Bg2 Qh4 37.Qa3 h6 38.Kh2 Qg3 39.Kg1 Ng5 40.e4 Qe1 41.Kh2 Be4 42.Qg3 Qb1 43.h4 Qc2 44.hg5 hg5 45.Qb8 Kh7 46.Qg3 Kg8 47.Qb8= Kh7 48.Qg3 Qg2 49.Qg2 Bg2 50.Kg2 b4 51.Kf3 b3 52.Ke3 b2 53.Ke2 Kh8 54.Kd3 b1Q 55.Kd2 f5 56.gf5 Qf5 57.Kc3 g4 58.Kd2 g3 59.Ke2 g2 60.Ke1 Qb1 61.Kd2 g1Q 62.Ke2 Qbd1# 0–1. JRCP 0.34 – Arasan 5.0b, Koch, CK–1, Celeron, 1999.

6.Bb5 Nc6 7.Ba4 Qe7 8.0-0 Bd7 (8...e5 9.d3=+) 9.Nc3= e5 10.Nb5 e4 11.Nd6 Qd6 12.Bc6 ef3 13.Bd7 fg2 14.Kg2 Nd7 15.Rg1 Rfe8 16.Qf3 Ne5 17.Be5 Qe5 ½–½. Pisarsky,Georgy (2045) – Golman,Boris, Novosibirsk–AS–90 Seniors Open, 2010.

6.Bb5 Bd7 7.Bd3 c5 8.bc5= Bc5 9.Be2 Nc6 10.0-0 Bd6 11.c4 e5 12.cd5 Nd5 13.d4 Qb6 14.Qd2 ed4 15.Nd4= Rad8 16.Bf3 Nc7 17.Nc3 Nd4 18.ed4 Rfe8 19.d5 Bf5 20.Ra2 Nb5 21.Na4 Qc7-/+ 22.g3 Qc4 23.Nc3 Nd4 24.Bh5 Qd3 25.Qc1? Rc8 26.Rd1 Nb3 27.Qg5= Be7 28.Qf4 Rc4 29.Qe5 Qc2 30.Ne4!? f6 31.Qf5 Re4 32.Qd7 Bc5 33.Be5! Bf2 34.Kg2 Qc8 35.Be8 Qd7 36.Bd7 Be3 37.Bb8 Bc5 38.d6 Bb6 39.Bc8 Re8 40.Bb7 Rb8 41.Bd5 Kf8 42.Bb3 Bd8 43.Ba4 Kf7 44.Re2 Kg6 45.Be8 Kg5 46.Rd5 f5 47.d7 Rb6 48.Rf2 g6 49.Rfd2 Rb3 50.Rc5 Ra3 51.Rc8 Ba5 52.d8Q Bd8 53.Rcd8 a5 54.h4 Kh5 55.Ra8 Kg4 56.Rd4 Kh5 57.Ba4 g5 58.Ra5 Ra2 59.Kg1 Rb2 60.Bd1 g4 61.Bg4 Kg6 62.Rd6 Kf7 63.Ra7 Rb7 64.Rb7 Ke8 65.Bh5 Kf8 66.Rd8# 1–0. NN – SuperConstellation4, 1988.

6.Nc3 a5 7.b5 a4 8.Be2 e5 9.0-0 Re8 10.Re1 Nbd7 11.d3 Nb6 12.Qd2 Qe7 =+.

6.Nc3 a6 7.Bd3 e5 8.Be2 Nc6 9.0-0 b5 10.d3 Re8 11.Qd2 Bf5 12.Nd5 Nd5 =.

6.Nc3 c5 7.bc5 Bc5 8.d4 Bd6 9.Bd3 Nc6 10.0-0 a6 11.Ne2 e5?? (better is 11...Rb8=) 12.de5+– (12.Ne5?! Qc7+=) 12...Be5 13.Be5 Re8 14.Bg3 Bg4 15.Nf4 d4 16.Be2 (better is 16.h3!? Bf3 17.Qf3 Qe7+–) 16...de3 17.fe3 Re3 18.Qd8 Rd8 19.Rfe1 Ne4 20.Rab1 (20.Bh4 Rd7+–) 20...Nc3? (better is 20...Ng3!? 21.hg3 b5+–) 21.Rb7+– Ne2 22.Ne2 Bf3 23.gf3 h6 (23...Ra3 24.c3 Na5+–) 24.Kg2 (better is 24.Rb6 Rd2 25.Rc6 Rde2 26.Re2 Re2 27.Kf1+–) 24...Rd2+/– 25.Kf2 Ra3 26.Rc7 Nd4? 27.c3+– Ne2 28.Re2 Rd5 29.Re8 Kh7 30.Rf7 Rc3 31.Be5 Rcc5 32.Rg7 1–0. Billion,Paul – Lombardi,Donato, RN–2011–0-00390, 2011.

6.Nc3 c6 7.Na2 Nbd7 8.Be2 e5 9.0-0 Qc7 10.Nh4 Nb6 11.f4 ef4 12.Bf6 gf6 =.

6.Nc3 Bd7 7.Be2 a5 8.b5 e5 9.0-0 Bf5 10.d3 Nbd7 11.Ng5 h6 12.Nf3 Re8 =+.

6.Nc3 Nbd7 7.Nb5 Be7 8.Be2 a5 9.ba5 c6 10.Nbd4 Qa5 11.0-0 Qa4 12.Ng5 Nb6 =+.

6.Nc3 e5 7.Nb5 Nc6 8.Nd6 cd6 9.Be2 e4 10.Nd4+= Be6 11.0-0 Nd4 12.Bd4 Nd7 13.f4 Nf6 14.d3 Bf5+= 15.g4 Bd7 16.g5 Ne8 17.de4 de4 18.c4 Bh3 19.Rf2 Be6 20.Qc2 Bf5 21.Bf1 Qe7 22.Rd1 Bg4 23.Be2 Qe6 24.Bg4 (White gets in control) 24...Qg4 25.Rg2 Qe6 26.Bb2 Rd8 27.Rd5 Rc8 28.f5+/– Qd5 29.cd5 Rc2 30.Rc2 f6 31.g6 hg6 32.fg6 Kh8 33.Kg2 f5 34.Kg3 a6 35.Kf4 Kg8 36.Rc8 Kh8 37.Rb8 b5 38.Ra8 a5 39.ba5 Kg8 40.Rc8 Nf6 1–0. all (2025) – Hossa (2165), ICS, 1998.

6.c4 Nc6 7.Nc3 Ne5 8.d4 Nc4=+ 9.Bc4 dc4 10.0-0 a6 11.Qc2 b5 12.e4 Be7 13.Rad1 Bb7 14.Rfe1 Ng4 15.h3 Nf6-/+ 16.Bc1 h6 17.Bf4 Bd6 18.Bd6 cd6 19.e5 Bf3–+ 20.gf3 Nd5 21.Ne4? de5 22.de5 Qh4 23.Ng3 Qh3 24.Re4 g5 25.Rg4 f6?? 26.Qg6+– Kh8 27.Nh5 Rg8 28.Qh6 1–0. wlittle (2120) – dgall (1790), net–chess.com, 2004.

6.c4 Nc6 7.c5= Be7 8.d4 Ne4 (8...a6 9.Bd3+=) 9.Bd3+= f5 (9...Re8 10.0-0+=) 10.0-0 a6 11.Nbd2 Qe8 12.Rc1 Qf7 13.Ne5 (13.Qe2 Qg6+=) 13...Ne5= 14.de5 Nd2 (14...a5 15.f3 Nd2 16.Qd2 ab4 17.ab4=) 15.Qd2+= c6 (15...Bd7 16.Bd4+=) 16.f4 Bd7 17.Rfd1 g5 (17...Rad8 18.Bd4+=) 18.Be2 Kh8 19.a4 Rg8 20.g3 (20.Bd4 Qg6 21.Bd3 a5 22.ba5 Bd8+/–) 20...Rg7 21.Bf3 ½–½. Hanison,Bernard – Houdek,Vladimir, corr 3GMM–17, 1995.

6.c4 Nc6 7.cd5 Nd5 8.Nc3 Qe7 9.Nd5 ed5 10.Be2 Bg4 11.h3 Bh5 12.0-0 Rad8 13.d4 a6 14.Rc1 Qd7 15.Ne5 Ne5 16.de5 Be7?? (better is 16...Be2 17.Qe2 Be7=) 17.Bh5+– f6 (17...c6 18.Bg4 Qe8 19.Bf5+–) 18.ef6 (better is 18.e6!? Qd6 19.Bf7 Kh8+–) 18...Bf6 19.Bg4 Qd6 20.Bf6 Rf6 21.Qc2 c6 22.Rfd1 Rdf8 23.Bf3 Qe5 24.Qc3 Qg5 25.Kf1 Qe5 (25...Rf3 26.gf3 Rf3+–) 26.Qe5 1–0. Fournier,Frederic (1805) – aprender3, Active, 2011.

6.c4 Nbd7 7.c5 Be7 8.Be2 c6 9.0-0 b6 10.d4 a5 11.Nbd2 Ba6 12.Ba6 Ra6 =.

6.c4 Re8 7.c5 Be7 8.Qc2 Nbd7 9.Be2 c6 10.0-0 Qc7 11.d4 Ne4 12.Nbd2 f5 13.Ne5 Ne5 14.de5 Bd7 15.Nb3 Rad8 16.Nd4 Ng5 (16...Qe5? 17.Nc6 Qc7 18.Nd8 Rd8 19.f3+–) 17.f4 Nf7 18.Rf3 b6 19.cb6 ab6 20.Rc1 Rc8 21.Ba6 Ra8 22.Bd3 Rec8 (22...c5!? 23.Qc3 Rec8=) 23.g4 g6? (better is 23...fg4 24.Bh7 Kh8+=) 24.gf5+– gf5 25.Qg2 Kh8 26.Nf5! Rg8 (26...ef5 27.e6 Double attack (27.e6 Passed pawn)) 27.Rg3 (27.Ne7 Rg2 28.Kg2 Be8 29.Nc6 Bc6+=) 27...Rg3 28.hg3 ef5 29.e6 Kg8 30.ef7 (30.Qd5! cd5 31.Rc7 Be6 32.Re7 Nd8+–) 30...Kf7 31.Qd5! cd5 32.Rc7 Be6 33.Rb7 Rg8 34.Kf2 (34.Rb6?! Rg3 35.Kf2 Rh3+–) 34...h5 35.Be5 Bc8 36.Rc7 Be6 37.Bd6 Re8 38.Bb5 (38.Bb5 Kf6 39.Be8 Bd6 40.Rb7+–) 1–0. Romero Jaime,Pedro (1735) – Garcia Alonso,David, Madrid Low cost Cup, 2009. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Bd6 5.e3 0-0)

6.c4 h6 7.cd5 ed5 8.Nc3 c6 9.d4 Nbd7 10.Bd3 Nb6 11.0-0 Bg4 12.h3 Bh5 13.Be2 Nc4 14.Bc4 dc4 15.Qe2 Re8 (15...b5!?+=) 16.g4= Bg6 17.Qc4 a5 18.b5 Qd7 19.bc6 bc6 20.Nh4 Bh7 21.Ne2 Ne4 22.Rad1 Be7 (22...Rab8 23.Bc1+=) 23.Ng2 (23.Nf3 Qb7 24.Bc1 c5=) 23...a4 (23...Rab8 24.Bc3+=) 24.Nc3 White prepares d5 (24.f3 Nd6 25.Qc1 Qb7=) 24...Nc3 25.Qc3 Bg5 26.d5= f6?? 27.dc6+– Qc7 28.Rd7 Qc8 29.Rfd1 Be4 30.Qc4 Kh8 31.c7 Bg2 32.Kg2 Ra7 33.Rd8 Rd8 34.cd8Q Qd8 35.Rd8 Kh7 36.Qg8 Kg6 37.Qe8 Kh7 38.Rd7 Rd7+– 39.Qd7 Kg6 40.f4 Bh4 41.f5 Kg5 42.Qg7 1–0. Fournier,Frederic (1810) – leitonadjorf, Owl21.com, 2008.

6.d3 a5 7.b5 c6 8.a4 cb5 9.ab5 Bd7 (9...a4 10.Ba3 Ba3 11.Ra3 Qa5 12.Nc3=+) 10.c4= dc4 (10...b6 11.Be2=) 11.dc4 b6 (11...Ne4 12.Qd4 Bb4 13.Nbd2+=) 12.Nbd2 (12.Bd3 Bc8=) 12...Bc8 13.Be2 Bb7 14.0-0 Nbd7 15.Qc2 Qc7 16.Rfd1 Rfd8 17.h3 Nc5 18.Nd4 Nfe4 19.Bf3= Nd2 20.Bb7 Qb7 21.Rd2 Bf6 22.Rad1 Qe4=+ 23.Ba3 Qc2 24.Nc2 Rd2 25.Rd2 Ne4 26.Rd7 Rb8 27.Nd4= Rd8 28.Rb7 Nd2=+ 29.c5 bc5 30.Nc6+= Ra8 31.b6+/– Nc4 32.Bc5 a4 33.Ra7 Nb6 34.Bb6 Ra7 35.Ba7 Bb2 36.Nb4 f5 37.Kf1 Kf7 38.Ke2 a3 39.Kd3 Bf6 40.Kc2 Bh4 1–0. Protze,Gunter – Davila,Oscar Alfredo (2105), EM/M/A079 ICCF E–mail, 1999.

6.d3 c5 7.bc5= Bc5 8.Be2 Nc6 9.Nbd2 Bd6 10.0-0 e5 11.c4 dc4 12.Nc4 e5 (draws heavy fire) 12...b5 13.Nfe5 Ne5 14.Ne5 Be5 15.Be5 Nd5 16.Qc1 Be6 17.Qb2 a6? 18.Bg7+– Re8 19.Bd4 Qg5 20.f4 Qg6 21.Rac1 Bh3 22.Bf3 Rad8 23.Be4 a5 24.Bg6 (24...hg6 25.gh3 Ne3 26.Rfe1+–) 1–0. mexcrement – lancelotrides, net–chess.com, 2001.

6.d3 Nbd7 7.Nbd2 e5 8.e4 (8.c4 c6=) 8...c6 9.c4 d4 10.c5 Bc7 11.Nc4 Qe7 12.Be2 b6 13.cb6 ab6 14.0-0 b5 15.Ncd2 Nb6 16.Qc2 Bb7 17.Nb3 Na4 18.Rfb1 (18.Bc1 Bb6+=) 18...Nd7 19.Nfd2 g6 20.Nf1 f5 21.Nbd2 Qf7 22.Bf3 c5 23.Ng3 f4 24.Ne2 Bd6 (24...Nb2?! 25.Rb2 Rfc8 26.bc5+=) 25.Qb3 (better is 25.bc5!? Rfc8 26.Bg4 Rc5 27.Qb3 Qb3 28.Nb3-/+) 25...Qb3–+ 26.Nb3 cb4 27.ab4 Rac8 (better is 27...Bb4 28.Bd4 ed4 29.Nbd4 Bc3–+) 28.Na5 Ba8 (28...Nb2? 29.Nb7 Bb4 30.Rb2+–) 29.Ba3 Kf7 30.Bg4 Ke7 31.Rc1 (31.Nc1 Rc2+=) 31...h5 32.Bd7 Kd7 33.Kf1 f3 34.gf3 Rf3 35.Rc8 Kc8 36.Rc1? (better is 36.Nc1-/+) 36...Kd7–+ 37.Rd1 g5 (better is 37...Be4 38.de4 Ra3 39.Nd4 ed4 40.Rd4 Ke6–+) 38.Ng3?? (better is 38.Ng1 Rf8 39.Rc1-/+) 38...h4 (38...Nc3 39.Rd2–+) 39.Kg2 g4 40.Nf5 Rf5 41.Kf1 Rf3 42.Rd2 Be4! 43.de4 Ra3 44.Nb7 Bb4 45.Rc2 Rc3 (45...Rc3 46.Rd2 Rc1 47.Ke2 Kc7–+) 0–1. Sapareva,Magdalena (1650) – Abramjan,Larisa (1850), 13th European Senior Championship, 2013.

6.Bd3 a5 7.ba5 c5 8.c4 Ra5 9.0-0 Bd7 10.Nc3 dc4 11.Bc4 b5 12.Bb3 Bc6 13.d3 Qc7 14.e4 Nbd7 15.Qc2 Ne5 16.Ne5 Be5 17.h3 Rfa8 18.Rac1 Qd6 19.Rb1 Kh8 20.Rfd1 R8a7 21.Rbc1 Kg8 22.Nb1 Bb2 23.Qb2 e5 24.f4 Nd7 25.fe5 Qe7 26.Qc3 c4 27.dc4 Be4 28.cb5+– Rb5 29.Qd4 Rb3?? 30.Qa7 h6 31.Qd7 Qd7 32.Rd7 Rb1 33.Rb1 Bb1 34.Rd8 Kh7 35.a4 Kg6 36.a5 Be4 37.a6 Kf5 38.g4 Kg5 1–0. GLChess210 – Arasan54, computer chess game, 2000.

6.Bd3 a5 7.b5 Nbd7 8.0-0 e5 9.Be2 c5 10.d3 Qc7 11.Nfd2 Rd8 12.e4 Nb6 =+.

6.Bd3 a6 7.Be2 Nbd7 8.0-0 e5 9.d3 Qe7 10.Nbd2 e4 11.de4 de4 12.Nd4 Ne5 =.

6.Bd3 Nbd7 7.0-0 e5 8.Be2 a5 9.b5 c5 10.d3 Qc7 11.Nfd2 Rd8 12.e4 c4 =+.

6.Bd3 Qe7 7.c4 dc4 8.Bc4 a6 9.0-0 b5 10.Be2 c5 11.bc5 Bc5 12.d4 Bd6 =.

6.Bd3 Re8 7.Ne5 Be5 8.Be5 Nbd7 9.Bb2 c5 10.0-0 Qb6 11.f4 a5 12.Bf6 Nf6 =.

6.Bd3 h6 7.0-0 A) 7...Nbd7 8.c4 (8.Nc3 c6 9.Nd4 a5 10.f4=+) 8...dc4 9.Bc4 Nb6 10.d3=; B) 7...Qe7 8.Ne5 (8.c4 dc4 9.Bc4 a5 10.b5=) 8...Nfd7 9.Nd7 Nd7 10.Nc3=; C) 7...a5 8.Ne5 (8.ba5 Nbd7 9.a6 ba6 10.Nc3=+) 8...ab4 9.f4 Nbd7 10.ab4=+.

6.Bd3 h6 7.Nc3 Nbd7 (7...e5 8.e4 a5 9.0-0 ab4 10.ab4=+; 7...c6 8.Nd4 (8.0-0 e5 9.e4 a5 10.Re1=+) 8...a5 9.f4 ab4 10.ab4=+; 7...a6 8.0-0 (8.Nd4 e5 9.Nb3 c6 10.0-0=+) 8...Nbd7 9.e4 c6 10.Re1=) 8.0-0 (8.Nb5 Be7 9.Bd4 b6 10.Be5=+) 8...Qe7 (8...c6 9.Nd4 Ne5 10.Be2=+) 9.h3 (9.Nb5 e5 10.Nh4=) 9...c6 (9...e5 10.e4=+) 10.Re1 (10.e4=+) 10...e5 11.e4 Re8 12.Rc1 b5?? (12...d4 13.Ne2=+) 13.Bf1?? (13.ed5 cd5 14.Bb5 a5+–) 13...Bb7 (13...d4 14.Nb1=+) 14.d3?? (better 14.ed5 a6 15.d4+–) 14...d4-/+ 15.Ne2 a5 16.c3 ab4 17.cd4 (17.ab4!? dc3 18.Nc3 Bb4 19.d4-/+) 17...ba3–+ 18.Ba1 b4 19.de5 Ne5 20.Ne5 Be5 21.d4 ½–½. Ostrowski,Michal – Grobelna,Ewa, Ogolnopolski Turniej Niepelnosprawnych Poland, 2011. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 Bd6 5.e3 0-0)

6.Bd3 h6 7.c4 c6 (7...dc4 8.Bc4 a6 9.0-0 Nbd7 10.Nc3=) 8.0-0 (8.c5 Bc7 9.0-0 Nbd7 10.Be2=) 8...Nbd7 9.Nc3 dc4 10.Bc4=.

6.d4 a5 7.c4 ab4 8.c5 Be7 9.ab4 Ra1 10.Ba1 b6 11.Bd3 Bd7 12.0-0 Qe8 +=.

6.d4 b6 7.Nbd2 c5 8.c3 c4 9.Be2 b5 10.Qc2 Nc6 (10...a5 11.e4 de4 12.Ne4=+) 11.h3 (11.a4!? ba4 12.b5=) 11...a5-/+ 12.g4 (12.0-0 Bb7-/+) 12...Bb7 13.g5 Ne4 (13...Nd7!?-/+) 14.Ne4=+ de4 15.Qe4 ab4 16.ab4? (better 16.cb4 Re8 17.Rc1=+) 16...Ra1-+ 17.Ba1 Na5?? (better 17...Qa8 18.Qb1 Nb4 19.cb4 Bb4 20.Qb4 Qa1 21.Bd1 Bf3-+) 18.Qc2=+ Nb3 19.Bb2 e5 (19...Qa8 20.Qd1 Qa2 21.Qc2-+) 20.h4? (better 20.de5 Be5 21.Rg1=) 20...ed4-+ 21.ed4 (21.cd4 Qa8 22.d5 Bb4 23.Kf1 Bd5 24.Kg2-+) 21...Re8 22.0-0 Qd7 23.Re1 (23.Ne5 Qh3 24.f3 Qg3 25.Kh1 Qh4 26.Kg1 Qg3 27.Kh1 Be5 28.Bc4 Bf3 29.Rf3 Qf3 30.Qg2 Qh5 31.Kg1 bc4 32.de5-+) 23...Qg4 24.Kf1 Re2 (24...Qh3 25.Kg1 Bh2 26.Kh1 Bf3 27.Bf3 Re1) 25.Qe2 (25.d5 Qf3 26.Qh7 Kh7 27.g6 Kh8 28.Re2 Qh1) 25...g6 (25...Nd2! 26.Qd2 Qh3 27.Ke2 Bf3 28.Ke3 Bg2 29.Ke2 Qf3) 26.Qe8-+ Kg7 27.Ne5 (27.Re7 Qf3 28.Rf7 Qf7 29.Qf7 Kf7 30.Ke2-+) 27...Qh3 (27...Nd2) 28.Ke2= Qg4?? (better 28...Bd5 29.Rd1 Qh4-/+) 29.f3 (better 29.Ng4 Bc6 30.Qc6 Nd4 31.cd4 h6 32.d5 c3 33.Qc3 Be5 34.Qe5 Kf8 35.Qd6 Kg8 36.Qd8 Kh7 37.Qh8) 29...Qg2 30.Ke3 (30.Kd1 Qd2) 30…Qd2 (30...Qb2 31.Qf7 Kh8 32.Re2 Qc3 33.Kf2 Qd4 34.Kg2 Bf3 35.Nf3 Qg4 36.Kh1 Qh3 37.Nh2 Qc3 38.Re8 Bf8 39.Rf8). alessandrocarvalhaes (1885) - ChessWolf3000 (1870), lichess.org, 2020.

6.d4 c6 7.Nbd2 a5 8.c4 ab4 9.c5 Bc7 10.ab4 Ra1 11.Qa1 b5 12.cb6 Bb6 =.

6.d4 Bd7 7.c4 dc4 8.Bc4 b5 9.Bd3 a5 10.e4 Ng4 11.Qe2 c6 12.e5 Be7 +=.

6.d4 Nbd7 7.c4 dc4 8.Bc4 c6 9.Nc3 Qe7 10.0-0 e5 11.Qc2 e4 12.Ng5 Nb6 =.

6.d4 Nbd7 7.Nbd2 a6 8.c4 c6 9.Bd3 b5 10.c5 Bc7 11.0-0 Re8 12.Ne5 Ne5 13.de5+/– Nd7 14.f4 f6 15.ef6+– Nf6 16.Nf3 Ng4? 17.Qc2 e5 18.Bh7+– Kh8 19.Qg6 Be6 20.fe5 Qd7 21.Qh5 Nh6 22.Bg6 Bg4 23.Qh6! gh6 24.e6 Qg7 25.Bg7 Kg7 26.Be8 Re8 27.Nd4 Be6 28.Nc6 (28...Bd7 29.Nd4 Re3 30.Nf5 Bf5 31.Rf5+–; 28.a4 Bd7+–) 1–0. Mess,Gianantonio – Schwibbe,Rudolf, corr, 1986.

6.d4 Qe7 7.Ne5 Ne4 8.Nd2 Nd2 9.Qd2 a5 10.ba5 Nd7 11.c4 Nf6 12.Bd3 Ne4 =.

6.Be2 a6 7.0-0 Nc6 8.c4 dc4 9.Bc4 Re8 10.g3 (10.d4!?=) 10...e5 11.d4 ed4 12.Nd4 Nd4 13.Bd4 Be6 14.Be6 Re6 15.Bc5 (better is 15.Qf3!? c6 16.Nd2=) 15...Bc5-/+ 16.bc5 Re5 17.Qc2 Qd5 18.Rd1 (18.c6!?+=) 18...Qc5-/+ 19.Qc5 Rc5 20.Nd2 Rd8 (better is 20...b6-/+) 21.Rab1? (21.Ne4 Rcd5 22.Nf6 gf6 23.Rd5 Rd5+=) 21...b6 (21...Rcd5!? 22.Rb7 Kf8 23.Rb2–+) 22.Nb3 (22.Ne4! Rcd5 23.Nf6 gf6 24.Rd5 Rd5 25.Kf1+=) 22...Rcd5 23.Rd5 Rd5 24.Rc1 c5 25.Kg2 Kf8 26.f3? Rd3 27.Rb1 Re3 28.Kf2 Re6 29.Nd2 b5 30.f4 Ne4 31.Ne4 Re4 32.Kf3 Rd4 33.Ke3 Ke7 34.Rc1 Kd6 Black prepares the advance c4 35.Rc3 Kd5 Black prepares c4 36.h4 c4 37.g4 Re4 38.Kf3 Kd4 39.Rc1 Re3 40.Kf2 Ra3 41.Rd1 Ke4 42.Rd7 Kf4 43.Rf7 Kg4 44.Rg7 Kh4 45.Rh7 Kg4 46.Rg7 Kf4 47.Rf7 Ke4 48.Re7 Kd4 49.Rd7 Kc3 50.Ke2 Ra2 51.Ke3 b4 52.Rd1 b3 53.Rc1 Rc2 54.Rb1 a5 (54...a5 55.Ke4 b2–+) 0–1. Neumann,Frank – Pehl,Ferenc, SN–2011–0-00385, 2011.

6.Be2 a6 7.0-0 Nbd7 8.d3 c5 9.bc5 Nc5 10.Nbd2 b5 11.c4 bc4 12.dc4 Bb7 =.

6.Be2 a6 7.d4 b5 8.0-0 c6 9.a4 Bd7 10.Qe1 ba4 11.Ba3 Ne4 12.Nc3 Nc3 =.

6.Be2 a6 7.Be5 a5 8.b5 Be5 9.Ne5 Nbd7 10.Nd7 Bd7 11.0-0 Qe8 12.Nc3 e5 =.

6.Be2 b6 7.0-0 c5 8.b5 Nbd7 9.d3 e5 10.Nbd2 Qc7 11.h3 Bb7 12.c4 (12.Nh4 g6+=) 12...e4-/+ 13.de4 de4 14.Ne1 (14.Nh4 Bh2 15.Kh1 Be5-/+) 14...Rad8 15.Qc2 Ne5 16.f4 ef3 17.Nef3 Rfe8 18.Ng5 h6 19.Nge4? (better is 19.Rf6 hg5 20.Rf2–+) 19...Ne4–+ 20.Ne4 Be4 21.Qe4 Nd3! 22.Qf3 (22.Bd3 Bh2 Double attack (22...Re4 Discovered attack); 22.Qd3 Bh2 Double attack (22...Bh2 Decoy)) 22...Nb2 23.Rab1 Be5 (better is 23...Bh2 24.Kh1 Rd2 25.Rbe1–+) 24.Qh5 (24.Rf2 Re6 25.Qg4 Nd3 26.Bd3 Rd3–+) 24...Rd2 25.Kh1 g6 (25...Bd4 26.Bf3 Re3 27.Bd5–+) 26.Qf3 Bg7 (26...Red8 27.Rf2–+) 27.e4 (27.Rf2 Red8–+) 27...Qd7 28.Qe3 Qd4 29.Qf3 Re7 0–1. Da Silva Junior,MA – Ikeda,VY (1915), Blumenau BRA, Youth Ch (b), 2014.

6.Be2 b6 7.0-0 c5 8.bc5 bc5 9.c4 Nc6 10.Qa4 Bd7 11.Qc2 Rb8 12.Nc3 Ne5 (12...Na5 13.cd5 ed5 14.Rab1=) 13.Ne5 Be5 14.f4 Bc7 15.Nb5 Bb5 16.cb5 c4 17.a4 Bb6 18.Bf3 Qc8 (18...Bc5 19.Rac1=) 19.Bf6 gf6 20.Kh1 Kh8 (20...f5 21.Rg1+=) 21.Qc3 Qd8 22.a5 Bc5 23.Rab1 Be7 (23...Rg8 24.e4 de4 25.Be4+=) 24.e4+/– d4 25.Qc4 Qa5 26.Qd3 Rfd8 27.e5 (27.f5 Rb6+/–) 27...f5 (27...Bb4 28.Be2 (28.ef6?! Qb5 29.Qe4 a5=) 28...Bd2 29.f5+= (29.ef6?! Qc3=)) 28.Bc6+/– Rg8 (better is 28...Qa3!? 29.Qc4 Qc5+/–) 29.Ra1+– Qb6 30.Ra6 Qc5 31.Rfa1 Rb6 32.Ra7 Rc6 (32...f6+–) 33.bc6 Qc6 34.Qf3 (34.Qf1 Qc5+–) 34...Qf3 35.gf3 Bh4?! 36.Rf7 Re8 37.Raa7 Be1 38.Rh7 Kg8 39.Rag7 Kf8 40.Rg2 1–0. "lasker" (2105) – viermaaldomi (1780), internet, 2007.

6.Be2 b6 7.c4 Bb7 8.cd5 Nd5 9.Nc3 Nf6 10.0-0 Nbd7 11.d4 Rc8 12.Bd3 Nd5 13.Nd5 Bd5 14.e4 Bb7 15.Qe2 Nb8 16.Rfc1 Be7 17.Bc4 Nc6 (17...Bd6!?+/–) 18.d5 ed5 19.ed5 Nb8 20.Re1 Bf6 21.Bf6 Qf6 22.Qe5 Qd8 23.Qg3 (23.Qf5 Nd7+/–) 23...Nd7 (23...Bd5!? 24.Rad1 c6+=) 24.Rad1 Nf6 25.Ne5 Nd5? (25...Qd6 26.b5+/–) 26.Bd5?? (better is 26.b5 Qd6 27.Qf3+–) 26...Bd5+= 27.Nc6 Qd7?? (better is 27...Bc6 28.Rd8 Rfd8+=) 28.Na7 Ra8 29.Nb5?? The backward pawn on c7 becomes a target 29...Qb5–+ 30.Re5 c6 31.Rg5 g6 32.h4 Qa4 33.Ra1 Qb3 34.Qb3 Bb3 35.h5 Bd5 36.hg6 fg6 37.g4 Rf4 0–1. Fournier,Frederic (1965) – Kristas (2030), Echecs21 (2/0), 2003.

6.Be2 c5 7.b5 b6 8.0-0 Bb7 9.a4 Re8 10.c4 dc4 11.Bc4 Nbd7 12.d4 (12.d3 Bf3 13.Qf3 Ne5=) 12...cd4 (12...Bf3 13.Qf3 cd4 14.Bd4 Bh2 15.Kh2 Qc7 16.Qg3 Qc4 17.Nd2-/+) 13.Nd4 (13.Qd4 Qe7 14.Nbd2 Red8=) 13...Ne5 (better is 13...Qc7!? 14.Nd2 Bh2 15.Kh1 Rad8-/+) 14.Bb3= Ne4 15.Nd2 (15.f4 Nd7=) 15...Nd2 (better is 15...Nd3!? 16.Ne4 Bh2 17.Kh2 Qh4 18.Kg1 Qe4+=) 16.Qd2= Qg5? (16...Rc8 17.Rac1 Rc1 18.Rc1+= (worse is 18.Qc1 Qg5 19.g3 Qg4+=)) 17.g3?? (17.f4 Qh5 18.fe5 Be5+–) 17...Rad8?? (17...Qg6 18.a5+=) 18.Bd1?? Be4 19.f4+= Qg6? 20.fe5+– Be5 21.Nc6?? Rd2–+ 22.Ne5 Rg2 23.Kh1 Rb2 24.Kg1 Rg2 25.Kh1 Rf2 26.Kg1 Rf1 27.Kf1 Qh6 28.Ra2 Qf6 29.Nf3 Bf3 30.Bf3 Qf3 31.Rf2 Qh1 32.Ke2 Rd8 33.h4 Qd1 mate 0–1. Neumann,Frank – Jaszczowski,Zdzislaw, OP–2012–0-02050, 2012.

6.Be2 c5 7.b5 Bd7 8.0-0 Be8 9.a4 a6 10.c4 ab5 11.ab5 Nbd7 12.Nc3 Qb6?? (12...Ra1 13.Qa1 dc4 14.Bc4=) 13.d4 (better is 13.Ra8 dc4 14.Bc4+–) 13...cd4? (13...Ra1 14.Ba1 dc4 15.Bc4=) 14.Nd4?? (better is 14.Ra8 dc3 15.Bc3+–) 14...e5?? 15.Nf5 d4?? 16.Ra8 dc3 17.Bc3 Nc5 18.Nd6 Nce4 19.Ne4 Ne4 20.Be5 Qe6 21.Qd5 Qd5 22.cd5 f6 23.Bf4 g5 24.Bc7 Bb5 25.Rf8 Kf8 26.Bb5 (26.Bb5 Ke7 27.Rb1+–) 1–0. Neumann,Frank – Lombardi,Donato, RN–2011–0-00435, 2011.

6.Be2 c5 7.bc5 Bc5 8.0-0 b6 9.Nc3 Bb7 10.Nb5 Be7 11.Rb1 a6 12.Nbd4 b5 13.a4 Nc6 (13...b4!?=) 14.ab5+/- Nd4 15.Nd4 (worse 15.ed4 ab5 16.Bb5 Ba6=) 15...ab5 16.Nb5 Ba6 17.Be5 Bb5 18.Bb5 Rb8? (better 18...Bd6 19.Bd4 Qe7+/-) 19.Bb8+- Qb8 20.c4 dc4 21.Bc4 Qc7 22.Qe2 Bd6 23.Rfc1 Bh2 24.Kh1 Bd6 25.Be6! Qa5 (25...fe6 26.Qc4 Double attack (26.Rc7 Discovered attack; 26.Qc4 Decoy)) 26.Bc4 Qe5 27.f4 Qe7 28.Kg1 Bf4? (28...Re8+-) 29.ef4 Qe2 (29...Qc5 30.Qe3 Qd6 31.Rb6+-) 30.Be2 Ne4 31.d3 Ng3 32.Bf3 Nf5 33.Rc7 Nd4 34.Be4 (34.Bg4!? f5 35.Bd1 Kh8+-) 34...Ne2 35.Kf2 Nf4 36.Rbb7 Ne6 37.Re7 Nc5 38.Ra7 g6 (38...Ne4 39.de4 g6 40.Ke3+-) 39.Bd5 Nd3 40.Ke3 Nb4 41.Bf7 Kh8 (41...Kg7 42.Reb7 Nc2 43.Kd3 Ne1 44.Ke2 Ng2 45.Bd5 Kf6 46.Rb6 Kg5 47.Bg2 Re8 48.Kf2 Rh8+-) 42.Bc4 Nc2 43.Kd2 Rf2 44.Kc3 Ne3 (44...Rf3 45.gf3 Ne3 46.Rh7) 45.Re3 (45.Rh7) 45...Rg2 (45...Rf8 46.Ree7 Rf3 47.gf3 h6 48.Rh7) 46.Re8 1-0. anotherheaven - Ziata (1605), lichess.org, 2015.

6.Be2 c6 7.0-0 Nbd7 8.d3 Ng4 9.Nbd2 f5 10.Nd4?! Bh2 11.Kh1 Nde5 12.N4f3 Nf3 13.Bf3?! Qh4 14.Bg4 fg4 0–1. Trkn – paul_stanley, itsyourturn.com, 2000.

6.Be2 c6 7.Be5 a5 8.b5 Be5 9.Ne5 Nbd7 10.Nf3 e5 11.d4 e4 12.Nfd2 c5 =.

6.Be2 Nc6 7.0-0 Re8 8.d4 e5 9.de5 Ne5 10.Nbd2 a6 11.Ne5 Be5 12.Be5 Re5 13.c4 c6 14.Nf3 Re7 15.cd5 Qd5 16.Qd5 Nd5 17.Nd4 Bd7 18.Bf3 a5 19.Nc2 ab4 20.Nb4 Nb4 21.ab4 Ra1 22.Ra1+= g6 23.Kf1 f5 24.Ke2 g5 25.g3 f4 26.gf4+= gf4 27.Ra7 Be8 28.b5 fe3?? 29.fe3?? cb5= 30.Rb7 Rb7 31.Bb7 b4 32.Bd5 Kg7 33.Kd3+/– Ba4 34.Kc4 Kf6 35.Kb4 Bc2 36.Kc5 Ke5 37.Bc6 Be4= 38.Bd7 h5 39.h3 h4 40.Bg4 (better is 40.Kc4+=) ½–½. alaamattar (2180) – alvarinpinguin (2065), net–chess.com, 2006.

6.Be2 Nc6 7.d4 Bd7 (7...Ne7 8.0-0=) 8.0-0 Ne7 9.c4 c6 (9...dc4 10.Bc4 Ned5 11.Ne5=) 10.Nbd2 Ng6 (10...Nf5 11.c5 Bc7 12.h3+=) 11.Bd3 Qe7 12.e4 (12.c5 Bc7+=) 12...de4 (12...Nf4 13.Bc2 de4 14.Ne4 Ne4 15.Be4=) 13.Ne4+= Ne4 14.Be4 a5 15.c5 Bc7 16.Qc2 f5 17.Bd3 Nh4 (17...Nf4 18.Rfe1 Nd5 19.Bc3+=) 18.Qe2 (18.Ne5 Ng6+=) 18...Nf3= 19.Qf3 Qh4 20.g3 Qg5 21.Bc1 f4 22.Qe4 (22.b5 Rad8+=) 22...g6 (22...ab4 23.Qh7 Kf7+–) 23.f3?? (better 23.b5+=) 23...ab4-/+ 24.a4 Qf6 25.Kg2 e5 (better 25...Ra7!?-/+) 26.Bc4= Kh8 27.d5? (better 27.Bb2 Rae8 28.Rfe1+=) 27...Bf5–+ 28.Qe2 cd5 29.Bd5 Rad8 30.Be4 Qe6 (30...b3 31.Rb1 Be6 32.Qb5-/+) 31.g4-/+ Be4 32.Qe4 Qd5 (32...Rd4!? 33.Qb7 Qe7-/+) 33.Qb4=+ Rfe8 (33...h5 34.h3=+) 34.Bb2= Qd2 35.Qd2 Rd2 36.Rf2 Rf2 37.Kf2 Rd8 38.Ke2 Rd5 39.Rc1 Ba5 40.Rc2 Bb4 Attacks the isolani on c5 41.Bc1 (41.c6 bc6 42.h4 Kg7=) 41...Bc5 42.Bd2 Kg7 43.a5 Kf6 44.h4 Ke6 45.Rb2 Rd7 46.Rb5 Bd6 (46...Bd4 47.Rb4-/+) 47.Rb6 Ke7 48.Bc3 Rc7 (48...Bc5!? 49.Bb4 Bb4 50.Rb4 Kd6=+) 49.Kd3= Rd7 (49...Bc5 50.Rb5=) 50.Ke4+= Attacking the backward pawn on e5 50...Ke6?? (better 50...Bc5 51.Rb2 Bd4 52.Bd4 ed4+=) 51.Be5+– Ke7 52.Kf4 (better 52.Bd6 Rd6 53.Rd6 Kd6 54.Kf4+–) 52...Be5 53.Ke5 Rc7 54.Rb5 Kd8 55.f4 Kc8?? (better 55...Ke8+–) 56.f5+– gf5 57.Kf5 (57.gf5 Kd8 58.f6+–) 57...Rf7?? (better 57...Rd7+–) 58.Kg5+– Rg7 59.Kh5 White plans g5 59...Kc7 (59...Rc7 60.Kh6+–) 60.g5 Kc6 (60...Rd7 61.Kh6 Rd4 62.h5+–) 61.Rb6 Kc5 (61...Kc7+–) 62.Kh6 Rd7 (62...Rg8 63.Rb7 Ra8 64.Rh7 Ra6 65.g6+–) 63.h5 White intends g6 63...Re7 (63...Rd8 64.Rb7 Rd4 65.Kh7+–) 64.g6 hg6 65.hg6 Rd7 66.g7 Rd8 67.Rb7 Rd1 68.Rb6 Rh1 69.Kg6 Rg1 70.Kh7 Rh1 71.Rh6 Rh6 (71...Rg1 72.g8Q Re1 73.Qg5 Re5 74.Qe5 Kb4 75.Rh4 Kb3 76.Qe3 Kc2 77.Rh2 Kd1 78.Qd2) 72.Kh6 (72.Kh6 Kd6 73.g8Q Ke5 74.a6 Ke4 75.a7 Kd4 76.a8Q Ke3 77.Qb3 Kf4 78.Qad5 Kg4 79.Qe4) 1–0. Sahovski,Alexandr (1910) – Alieva,Alexandra, Dimitrovgrad Open, 2008.

6.Be2 Nbd7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 Nbd7 5.Nf3 Be7 6.Be2 0-0).

6.Be2 Ne4 7.0-0 Nd7 8.d3 Nef6 9.c4 dc4 10.dc4 Nb6 11.Qc2 c5 12.Rd1 Qe8 13.b5 Nbd7 14.Bd3 e5 15.Ne5 Ne5 16.Be5 h6 17.Nc3 Be6 18.Nd5 Nd7 19.Ne7 Qe7 20.Bd6 Qg5 21.f4 Qg4 22.f5 Bc4 23.Bc4 Rfe8 24.Qb3 Qf5 25.Rf1 Qg6 26.Bf7 Kh8 27.Bg6 Re3 28.Qe3 1–0. mtrh – NN, internet, 2002.

6.Be2 Qe7 7.d3 (7.Nc3 Bd7=) 7...e5 8.Nbd2 c6 (8...a5 9.0-0=+) 9.c4= Bg4 10.0-0 Nbd7 11.Re1 Rfd8 12.cd5 (12.c5 Bc7=) 12...cd5=+ 13.Nf1 Bf3 14.Bf3 e4 15.Be2 Rac8 16.Ng3 g6 17.Qb3 h5 18.de4 de4 19.Rac1 Rc1 20.Rc1 Be5 21.Rd1 Bb2= 22.Qb2 Rc8 23.h3 Nb6 24.Qb3 Rd8 25.Rd8 Qd8 26.Qc3 Qd6 27.Nf1 Kh7 28.Nd2+= Qe7 29.Qd4 Kg7 30.Bd1+/– Nc8 31.Bc2 Nd6 32.a4 b6 33.a5 ba5 34.ba5 Kh7 35.Bb3 Nf5 36.Qc4 Kg7 37.a6 Nd6 38.Qc5 Ng8 39.Nc4 Nc4 40.Qc4 Nf6 41.Qb5 Ne8 42.Qb7 Kf6 43.Qa8 Kg7+/– 44.Qb7 Kf6 45.Bd5 Nd6 46.Qc6 Kg7+= 47.Qc5 Qe5= 48.Qd4 Qd4 49.ed4 f5 50.Bc6 f4 51.h4 Kf6 52.Kf1= g5 53.hg5 Kg5 54.Bd7 h4 55.Ke2 Nf5=+ 56.d5 Nd6 57.Kd2 Kf6 58.Be6 Ke5-/+ 59.Ke2 Nb5–+ 0–1. Saradjen,Janko (2170) – Gruskovnjak,Tomislav (2055), Portoroz op, 1995.

6.Be2 h6 7.0-0 Nc6 8.d3 b6 9.d4 Bd6 10.c4 Ne4 11.Nc3 Nc3 12.Bc3 Be7 13.Qc2 Nb8 14.e4 dc4 15.Bc4 Bb7 16.Rfd1 Ba6 17.b5 Bb7 18.d5 ed5 19.Qb2 (worse is 19.ed5 a6+/–) 19...Bd6 20.Rd5 Bd5 21.Bd5 c6 22.bc6 Na6 23.Rd1 g6 (23...Nc7 24.Bg7 Ba3+–) 24.Bh8 Bh2 (24...Qf6 25.Qf6 Bh2 26.Kh2 Rfd8 27.Qg7 mate) 25.Nh2 (25.Nh2 Qf6 26.Qf6 Rfd8 27.Qg7 mate) 1–0. Trokenheim,Marek (1830) – Mori,Roberto, OP–2012–0-02097, 2012.

6.Be5 Ne4 7.d4 Be5 8.Ne5 f6 9.Nf3 a5 10.b5 c6 11.bc6 Nc6 12.c4 e5 =.

6.Be5 Be5 7.Ne5 a5 8.b5 c5 9.d4 Nbd7 10.Nd7 Bd7 11.dc5 Rc8 12.Nc3 Rc5 =+.

6.Be5 Be7 7.d4 a5 8.b5 c5 9.dc5 Nbd7 10.Bd4 Bc5 11.c4 Bd4 12.Qd4 Qe7 =.

6.Be5 Ng4 7.Bd6 Qd6 8.d4 Bd7 9.c4 dc4 10.Bc4 Bc6 11.Bd3 f5 12.Nbd2 b5 +=.

6.Rg1 Nbd7 7.c4=+.

6.Rg1 Nbd7=+ 7.g4 e5 8.g5 Ne4?? (better 8...Ne8=+) 9.d3+- f5 (9...Nf2 10.Kf2 a5 11.c4+-) 10.de4 de4 11.Nh4 g6 (11...Nb6 12.c4 c5 13.bc5 Bc5 14.Qd8 Rd8 15.Be5+-) 12.Nc3 (12.Qd5 Kh8+-) 12...Qe8 (12...Nb6 13.Nb5 Be6 14.Qd2+-) 13.Bc4 (13.Qd5 Qf7 14.Bc4 Qd5 15.Bd5 Kg7+-) 13...Kh8 14.Nb5 Qe7 15.Qe2 (15.Bb3 Nb6+-) 15...Nb6 16.Bb3 a6 17.Nd6 cd6 18.0-0-0 (18.f4 ef3 19.Nf3 Be6+-) 18...Be6 19.Be6 Qe6 20.f4 ef3 (20...Qa2 21.Qd2 Na4 22.c3+/-) 21.Nf3+- Rac8?? (better 21...Nc4+-) 22.Rd6! Qa2 (22...Qd6 23.Be5 Double attack (23.Be5 Decoy)) 23.Ne5 Kg8 24.Rb6 Rfd8 (24...a5 25.Rb7 ab4 26.ab4+-) 25.Ng6! hg6 26.Rg6 Kf7 (26...Kf8 27.Rf1 Rc6 28.Rf5 Ke8 29.Rg7 Rd7 30.Qh5 Rf7 31.Re5 Kd8 32.Qh8 Kd7 33.Qe8 Kc7 34.Re7 Kb6 35.Bd4 Kb5 36.Rb7 Rb7 37.Rb7 Ka4 38.Qc6 Ka3 39.Qa6) 27.Rg7 (27.Qh5 Rc2 28.Kc2 Rd2 29.Kd2 Qb2 30.Ke1 Qc1 31.Kf2 Qc2 32.Kf1 Qc4 33.Kg2 Qg4 34.Qg4 fg4 35.Rf6 Ke7 36.Rgf1+-) 27...Ke6 (27...Kf8+-) 28.Rd1 (28.e4 Rc2 29.Qc2 Qb1 30.Kb1 Rd4 31.Qc8 Ke5 32.Qf5 Kd6 33.Qf6) 28...a5 29.e4 f4 30.Qg4 1-0. TwelveTeen (2645) - ChrolloL (2655), lichess.org, 2018.

6.Rg1 Ne4 7.g4 (7.c4 dc4 8.Bc4 Nd7=) 7...Ng5 8.h4 Nf3 9.Qf3 Qh4 (9...a5 10.b5=+) 10.g5 (10.Rh1 Qg5 11.Bd3 f5 12.gf5 h6+=) 10...e5 (10...Nd7 11.Bd3 g6 12.Be2=+) 11.d3 (11.Qd5!? Nc6 12.Bd3+=) 11...e4 (11...Rd8 12.Nd2 Be6 13.c4-/+) 12.Qg2 (better 12.de4 Qe4 13.Qe4 de4 14.Nc3=+) 12...Qh2 (12...a5 13.Rh1 Qg4 14.b5-/+) 13.Nd2 (13.de4!? de4 14.Nd2+=) 13...Qg2=+ 14.Bg2 ed3 15.Bd5 dc2 (15...Rd8 16.Be4 a5 17.cd3 ab4 18.ab4 Ra1 19.Ba1 Bb4 20.Rh1=) 16.Be4 (16.g6 hg6 17.Rg6 Rd8 18.Rg7 Kf8+/-) 16...Re8 17.Bc2 Nc6 (17...a5 18.b5 Be5 19.Be5 Re5 20.Rd1=) 18.0-0-0 Be5 (better 18...a5 19.b5 Ne5+=) 19.Bb3 (better 19.Rh1+/-) 19...Bf5 20.Nc4 Bb2 21.Kb2 Be6 (21...b5 22.Nd2 Rad8 23.Nf3-/+) 22.Nd2 Ne5 23.Ne4 Bb3 24.Kb3 Nf3 (24...Rad8 25.b5=+) 25.Rg3= Re4 26.Rf3 Re5 (26...Rae8!?=) 27.Rd7+/- Rg5 28.Rc7 (28.Rff7 a6+/-) 28...Rf8 (28...f5 29.Rb7 h5 30.Rf4+=) 29.Rb7+/- h5 (29...a6!?+/-) 30.Ra7+- g6 (30...h4 31.Rh3 Rh5 32.a4+-) 31.Rb7 (31.a4 h4+-) 31...Kg7 (31...h4 32.Rh3 Rh5 33.a4+-) 32.a4 h4 33.a5 Rg4? (better 33...Rh5 34.Rh3 g5+-) 34.a6 g5 (34...Re4+-) 35.a7 Re4 36.Rb8 (36.Rff7! Rf7 37.a8Q Ree7 38.Qa1 Kh7 39.Qb1 Kg7 40.Re7 Re7+-) 36...Ree8 37.a8Q Rb8 38.Qd5 f6 39.Qd6 Rb7 40.Qd5 (40.e4!? Rbf7+-) 40...Rb6?? (40...Rbb8 41.e4 Rbd8+-) 41.e4 Rfb8 42.e5 (better 42.Qd7!? Kg6 43.Qf5 Kh5+-) 42...Rb4 43.Kc3 Rb3 44.Qb3 Rb3 45.Kb3 fe5 46.Kc3 Kg6 47.Kd3 g4 48.Rf8 Kg5 (48...Kg7 49.Rb8 g3 50.fg3 hg3+-) 49.Ke4 g3 50.Rg8 Kh5 (50...Kf6 51.fg3 hg3 52.Rg3 Ke6 53.Rg6 Kf7 54.Rc6 Ke8 55.Ke5 Kd7 56.Rc5 Ke7 57.Rc7 Kd8 58.Kd6 Ke8 59.Rb7 Kf8 60.Ke6 Kg8 61.Kf6 Kh8 62.Kg6 Kg8 63.Rb8) 51.fg3 h3 52.Rh8 (better 52.Kf5!? Kh6+-) 52...Kg4 53.Rh3 (better 53.Ke3+-) 53...Kh3= 54.Ke5 Kg3 ½-½. TwelveTeen (2635) - ChrolloL (2665), lichess.org, 2018.

7.ba5 Ra5 8.d4 b6 9.Nbd2 Bb7 10.Nb3 Ra8 11.c5 Be7 12.Bd3 Ba6 =.

7.b5 Nbd7 8.Qc2 c5 9.Ng5 h6 10.h4? (better is 10.Nf3+=) 10...hg5–+ 11.hg5 Ne4 12.f4 f5 13.Nc3 Ng3 14.Rh3 Nf1 15.Kf1 dc4 16.Kf2 Kf7 17.Rah1 Bb8 (17...Nb6 18.Ne2–+) 18.Rh7 Rg8 19.Qd1 Nf8 20.Qh5 Ng6 21.Nb1 Qd7 22.Qh6? (better is 22.Rg7 Rg7 23.Bg7 Kg7 24.Qh7 Kf8 25.Qg6–+) 22...e5 23.fe5 Ne5 (23...Be5?! 24.Be5 Ne5 25.Qf6 Ke8 26.Qe5 Qe7 27.Qe7 Ke7 28.Nc3=; 23...Qb5 24.e6 Ke7 25.Qg6 Qb2 26.Qf7 Kd6 27.Qg8 Be6 28.Qd8 (28.Qg7?! Qg7 29.Rg7 Bc7+–) 28...Kc6 29.Qe7 Bg3 30.Kg3 Qe5 31.Kf2+–) 24.Be5 Be5 25.Qh5 Ke7 26.Qg6 (26.a4 Qd3–+) 26...Qb5 27.Nc3 Qd7 28.Ke1 Ra6 29.Qh5 Rb6 30.Rh3 Rb2 31.Qe2 (31.Qd1 Rd8 32.Qc1 Qd2 33.Qd2 Rdd2 34.Nd1–+) 31...Bc3 32.Qc4 Qd2 33.Kf1 Qg2 0–1. combijack (1815) – dr_nick (1950), gameknot.com, 2012.

7.b5 Nbd7 8.d4 c5 9.Nbd2 Re8 10.Ne5 Nb6 11.Rc1 Bd7 (better is 11...cd4!? 12.ed4 dc4 13.Ndc4 Nc4 14.Bc4 Nd5=) 12.dc5+/– Bc5 13.cd5 Qe7 14.Nd7 Nfd7 15.de6 Qe6 16.Bc4 Qe7 17.Qb3 Rad8 18.Nf3 Bd6 19.0-0 Nf6 20.Rc2 Ng4 21.h3 Nh6 22.Re1 Qe4 23.Bd4 Nd7 24.Bd5 Qe7 25.Bb7 Ba3 26.e4 Bb4 27.Ra1 Rb8 (better is 27...Nc5!? 28.Bc5 Qb7 29.Bb4 ab4 30.Qb4 Re4+–) 28.Bc6+– Red8 29.Bc3 g5 (29...Nc5 30.Qc4 Bc3 31.Qc3 Ne4 32.Qe5 Qe5 33.Ne5+–) 30.Qd5 g4 31.Qg5 Qg5 32.Ng5 Be7 (32...gh3 33.gh3 Nb6 34.Bb4 ab4 35.Rb1+–) 33.f4 (33.Ba5?! Bg5 34.Bc7 Rbc8 35.Bd8 Rd8 36.Bd7 Rd7+–) 33...Nc5 34.Ba5 Nb3 35.Bd8 Na1 36.Bc7 (better is 36.Ra2!? Rd8 37.Ra1 gh3 38.gh3 Rd2+–) 36...Rb5 37.Ra2 Rb1 38.Kf2 Rc1 39.Ra8 Kg7 40.Be5 f6 (40...Bf6 41.Bf6 Kf6+–) 41.Ne6 (41.Ra1 Rc6 42.Bd4 Kg6+–; 41.Ba1?! Rc6 42.f5 Rc2 43.Kg3 Bd6 44.Kh4 gh3 45.gh3 Ng8+–) 41...Kf7 42.Be8 (42.Ra1 Rc6 43.Bf6 Bf6 (worse is 43...Ke6 44.Be7 Ke7 45.Ra7 Kf6 46.Rh7+/–; 43...Re6?! 44.Be7 Re7 45.Ra6=) 44.Ng5 Bg5 45.fg5 Ng8-/+) 42...Ke6 43.Ra6 (43.Ba1?! Bc5 44.Kg3 Rf1 45.f5 Ke7+–) 43...Bd6 44.Bd6 1–0. Hendriks – Brus, Netherlands M–class, 1985. (=1.a3 d5 2.Nf3 Nf6 3.e3 e6 4.b4 Bd6 5.Bb2 0-0 6.c4 a5)

7.b5 Nbd7 8.d4 c5 9.cd5 ed5 10.dc5 Nc5 11.Be2 a4 12.Nbd2 Nce4 13.0-0 Re8 14.Rc1 Qe7 15.Nb1 Bf5 16.Nd4 Bd7 17.Qd3 (Better is 17.Nf3!?=) 17...Qe5-/+ 18.g3 Bh3 19.Rfe1 Qg5 20.Nf3 Qf5 21.Nbd2 Bg4 22.Red1 Rad8 23.Rf1 Qh5 ½–½. Kedzierski – Preuss, corr 3GMM½–08, 1998.

7.d4 ab4 8.c5 Be7 9.ab4 Ra1 10.Ba1 b6 11.Bd3 c6 12.Qa4 Qc7 =.

8.Qc2 ab4 9.ab4 Ra1 10.Ba1 b6 11.d4 c6 12.Bc3 Qc7 13.Nbd2 Re8 14.Bd3 Ba6 15.Ba6 Na6 16.0-0 Nb8 17.Ra1 Nbd7 18.Ra6 Rb8 19.Qa2 Bd8 20.h3 h6 21.Ne1 Qc8 22.Ra7 Ne8 23.Qa4 b5 (23...Nef6!?=) 24.Qa6+= Qa6 25.Ra6 Rc8 26.Nd3 Nef6 27.f3 Kf8 28.g3 g6 29.e4 Kg7 30.Kf2 h5 31.Ne5 Ne5 32.de5 Ng8 33.Nb3 (33.ed5 ed5 34.f4 Kf8+/–) 33...de4+= 34.fe4 Bg5 35.Nd4 Ne7 36.Ke2 Rc7 37.h4 ½–½. Hjortstam,Kurt – Preuss,Guenter, corr 3GMM½–08, 1998.

8.Nc3 b6 9.cb6 ab4 10.bc7 Qc7 11.Nb5 Qb7 12.ab4 Bd7 13.Nbd4 Ra1 14.Qa1 Bb4 15.Bd3 Nc6 16.Nc6 Qc6 17.0-0 Be7 18.Ne5 Qa4 19.Qa4 Ba4 20.Ra1 Rb8 21.Bd4 (21.Ra4?! Rb2 22.g4 h6+= (worse is 22...Rd2 23.g5+/–)) 21...Be8 22.f3 Bd6 23.g4 Nd7 24.Nd7 Bd7 25.f4 f6 26.Ra6 Bb4 27.Ra2 h6 28.h4 White plans g5 28...Kf7 29.g5 hg5 30.hg5 Bd6 31.Ra7 Ke7 32.Kf2 Rc8 33.Bb5 Rc7 34.Rc7 Bc7 35.Bd7 Kd7 (better is 35...e5!?=) 36.gf6+/– gf6 37.Bf6 Ke8 38.d3 Kf7 39.Bc3 Kg6 40.Kf3 Kf5 41.e4 de4 42.de4 Kg6 43.Kg4 Bd8 44.Be1 Bf6 45.Bh4 Bc3 46.Bd8 Bd4 47.f5 (better is 47.Kf3!?+/–) 47...ef5= 48.ef5 Kf7 49.Kf4 Bc3 50.Ke4 Bb2 51.Kd5 Bc3 52.Bh4 Bb2 53.Bf2 Kf6 54.Ke4 Kf7 55.Bd4 Bc1 56.Be3 Bb2 ½–½. Macedo,A Soares De (2050) – Prado Oliveira,Fellipe (1915), 3rd Aberto Xadrez Potiguar, 2008.

8.Bd3 ab4 9.ab4 Ra1 10.Ba1 Na6 11.Qb3 Qe8 12.0-0 b6 13.Qa3 Nb8 14.Rc1 bc5 15.bc5 Nc6 16.Ne5 Ne5 17.Be5 1–0. Romulus73 – chessnut, playchess.de, 2001.

8.d4 ab4 9.ab4 Ra1 10.Ba1 b6 11.Bd3 bc5 12.bc5 Ba6 13.Ba6 (13.Nc3 Bd3 14.Qd3 Nc6=) 13...Na6 14.0-0 Qa8 15.Nbd2 (15.Nc3 Nb4=) 15...Nb4 16.Bc3 Rb8 17.Ne5 (17.Bb4 Rb4 18.Qc2 Nd7=) 17...Na2 (17...Nc6 18.f4=) 18.Qc2+= Nc3 19.Qc3 Qb7 (19...Ne4 20.Ne4 de4 21.Ra1+=) 20.Ra1 Qb2? (better 20...Ne4 21.Ne4 de4+=) 21.Qb2+– Rb2 22.Ra8 Bf8 23.Nf1 h5 24.Rc8 (24.c6 Rc2+–) 24...Rb7 25.c6 (25.Nd7 Nh7 (25...Nd7? 26.c6 Nc5 27.cb7 Nb7 28.Rc7+–) 26.Ra8 f6+–) 25...Ra7+– 26.h4 (26.Nd7 Nh7 27.Nc5 Nf6+–) 26...g6 (26...Nh7 27.Nd7+–) 27.Nd7 Nh7 28.Nc5 Kg7 29.Nb7 Nf6 30.Rc7 ½–½. Woelfelschneider,Peter – Jonsson,Gudbrandur, TT–07.05, 2003.

8.d4 ab4 9.ab4 Ra1 10.Ba1 b6 11.Bd3 bc5 12.dc5 c6 13.0-0 Ba6 14.Ba6 Na6 15.Qa4 Qc8 16.Ne5 Nb8 17.Nd2 Nfd7 18.Ndf3 f6 19.Nd7 Qd7 20.Bc3 e5 21.Ra1 Qf5 22.h3 Qd3 23.Be1 Kf7 Black intends d4 24.Qa5 Re8 25.Qc7 Qe2 26.Bc3 d4 27.ed4 e4 28.Ne1 e3 29.Qg3. Fournier,Frederic (2505) – Lopez Jeremiah (2360), chess.com (team), 2009.

8.Be2 b6 9.cb6 cb6 10.b5 Nbd7 11.0-0 Bb7 12.d4 Rc8 =.

7.Qc2 c5 8.bc5 bc5 9.Bf6 (9.Bd3 Nc6=) 9...Qf6= (9...gf6 10.Bd3 Nc6 11.Bh7 Kg7 12.cd5 ed5 13.Nc3+=) 10.Nc3 Ba6 (better 10...Nd7!?=) 11.cd5+/- Bf1 12.Kf1 ed5 13.Rc1 Qe6 (13...h6 14.Nd5 Qe6 15.Nc3+/-) 14.Ng5 Qh6 15.h4 Be7 (15...d4 16.ed4 cd4 17.Nb5+/-) 16.Rh3 d4 (16...Rd8!? 17.Qf5 Qg6 18.Nd5 Bg5 (18...Qf5?? 19.Ne7 Kf8 20.Nf5+-) 19.hg5 Qf5 20.Ne7 Kh8 21.Nf5 Rd2 22.Rc5 Nd7+/-) 17.Nd5+- Nc6 (17...Bd8 18.Qc5 de3 19.Ne3+/-) 18.ed4 Rad8 19.Ne7 Ne7 20.dc5 Nc6 21.Re1 Nd4 22.Qc4 Nc6 (22...Qg6 23.Rd3 Nc6 24.Rd8 Rd8 25.Ne4+-) 23.Rf3 Qg6 (23...Na5 24.Qe4 Qg6 25.Qg6 hg6+-) 24.Ne6! fe6 (24...Rd2 25.Nf8 Kf8 26.g4+-) 25.Re6 Qb1 (25...Ne5 26.Re5 Kh8 27.Rf8 Rf8+-) 26.Re1 (26.Re1 Kh8 27.Rf8 Rf8 28.Rb1+-) 1-0. Jan_Ek (2125) - Titus (2005), internet, 2020.

7.Qc2 c5 8.bc5 Bc5 9.d3 dc4 10.dc4 Bb7 11.Nbd2 Nbd7 12.Bd3 Qc7 13.0-0 Rac8 14.Rfe1 e5 15.Bf5 e4 (better is 15...g6 16.Bd3 Bd6+=) 16.Ne4+/– Ne4 17.Be4 Be4 18.Qe4 Rfe8 19.Qg4 Bf8 20.Rac1 Qc6 21.h4 Re4 Attacks the isolani on c4 22.Qg3 (better is 22.Qf5!? g6 23.Qd5+/–) 22...Rc4= 23.Rc4 Qc4 24.Rc1 Qb3?? The isolani on a3 becomes a target (better is 24...Qc1 25.Bc1 Rc1 26.Kh2 Ba3=) 25.Rc8+– Qb2 26.Nd4 (better is 26.Qd6! Qb1 27.Kh2+–) 26...Nf6 27.Nf5?? (better is 27.Nc2 h5 28.Qb8 Qc1 29.Kh2 Ng4 30.Kg3+–) 27...Qb1-/+ 28.Kh2 Qf5 29.Qb8 Nd7 30.Qa7 g6 31.Rd8 Ne5 32.f3 Kg7 33.Qb6 Qf6?? 34.Qb8 Nd7 35.Rd7= Ba3?? 36.Rd8?? Bb2?? 37.Rg8+– Kh6 38.Qg3 Be5 39.f4 Bd6 40.Qg5 Qg5 41.hg5 Kh5 42.Rg7 Kg4+– 43.Rf7 Bc5 44.e4 Be3 45.g3 Bf2 46.Rh7 Bg3 47.Kg2 Bf4 48.Rg7 Kh5 49.Kf3 Kg5 50.Rh7 Be5 51.Rh1 Kf6 52.Kg4 g5? 53.Rb1 Bf4 54.Rb5 Ke6 55.Ra5 Kf6 56.Kh5 Ke6 57.Kg6 Bd2 58.Rd5 Bf4 59.Rf5 Bd2 60.Kh5 Bf4 61.Kg4 Bd2 62.Kf3 Bc1 63.Ke2 Bf4 64.Kd3 Bc1 65.Ra5 Bf4 66.Kd4 Bc1 67.Ra6 Kf7 68.Ke5 Bb2 69.Kf5 Bc1 70.Ra7 Kf8 71.e5 Ke8 72.Ke6 Kf8 73.Kf6 Ke8 74.e6 Kd8 75.e7 Kc8 76.e8Q 1–0. orangutandu – partyka1212, internet, 2013.

7.Nc3 a6 8.d4 =.

7.Nc3 Bb7 8.Nb5 Be7 9.Nbd4 (9.Bd3!?=) 9...c5+= 10.Nc2 Nc6 11.b5 (better is 11.Bd3!?-/+) 11...Na5–+ 12.cd5 ed5 13.Be2 Bd6 (13...Nc4 14.Bc4 dc4 15.a4-/+) 14.0-0-/+ Re8 15.Bc3 Nb3 (15...Ne4!?-/+) 16.Rb1+= c4 17.d3 cd3 18.Bd3 Nc5 19.Be2 (19.Bf6 Qf6 (worse is 19...gf6 20.Bf5+/–) 20.Ncd4 g6+=) 19...Nce4 20.Ba1 Rc8 21.Rb3 Ng4 (21...h6 22.g3-/+) 22.h3+= Ngf6 23.Ncd4 Qd7 24.a4 (24.Nc6 Rc7+=) 24...Nc5 (24...Rc4 25.Rb1 Nc3 26.Bc3 Rc3 27.Nc6-/+) 25.Rb1+= Nfe4 26.Nc6 a5 (26...Re6!?-/+) 27.Qd4= Nf6 (27...f6=) 28.Qh4 (28.Nfe5!? Be5 29.Ne5+=) 28...Re4= (worse is 28...Bc6 A) 29.Bf6 Bb7 (worse is 29...gf6 30.bc6 Qc6 31.Qg4 Kh8 32.Bb5+–) 30.Bg7 Kg7 31.Qg5 Kh8 32.Qf6 Kg8 33.Qg5 Kf8 34.Qh6 Ke7 35.Qh4 f6+=; B) 29.bc6 Qd8 30.Rfd1+/–) 29.g4 Ng4 (29...Ra4 30.Bf6 gf6 31.Nfd4=) 30.Ng5 Bh2?? (better is 30...Nf6 31.Ne4 Nce4 (31...de4? 32.Bf6 gf6 33.Bg4+–; 31...Nfe4?! 32.Rfd1+=) 32.Bf6 Nf6+= (worse is 32...gf6 33.Qg4 Qg4 34.Bg4+/–)) 31.Kh1+– Nh6 32.Ne4 Ne4 33.Kh2 Nd2 34.Rg1 Nf5 35.Qg4 d4 36.Rbd1 de3 37.Bg7 h5 38.Qg5 Bc6 39.Bf6 Kh7 40.Qh5 1–0. Tagirov,Kajum K (1865) – Plekhanov,Yury, Championship Respublik Bashkortostan, 2010.

7.Nc3 Bb7 8.d4 dc4 9.Bc4 c6 10.0-0 =.

7.Nc3 Bb7 8.d4 dc4 9.Bc4 Nbd7 10.0-0 e5 11.Nb5 e4 12.Nd6 cd6 13.Nd2 Qe7 14.Qe2 a6 15.b5 a5 16.a4 Rfc8 17.Ba3 Ne8 18.Rfc1 Qh4 19.Qd1 d5 20.Be2 f5 21.f3 Qh6 22.Qb3 Qe6 23.h3 Ndf6 24.Nf1 ef3 25.Bf3 Nd6 26.Bd6 Qd6 27.Rc2 Rc7 28.Rac1 Rac8 29.g4 fg4 30.hg4 Rc2 31.Rc2 Qe6 32.g5 Ne4?? 33.Be4?? Qe4-/+ 34.Rc8 Bc8 35.Ng3 Qf3 36.Nf1?? Bh3–+ (36...Bh3 37.Qa2 Bf1–+) 0–1. Bernacki,Gabriel (1880) – Roszkowski,Rafal (2110), Lomza open ch Poland, 2007.

7.Nc3 Bb7 8.d4 c6 9.c5= Be7 10.Bd3 Ba6 11.Ba6 Na6 12.Qa4 Qc8 13.Ne5 b5 14.Qb3 Nd7 15.a4 Ne5 16.de5 Nc7 17.ab5 Nb5 18.Nb5 cb5 19.0-0 Qb7 20.Ra5 Bd8= 21.Ra3 a5 22.ba5+= Ra5 23.Rfa1 Ra3= 24.Ba3 Qc6 25.Rb1 Bc7 26.Qb5 Qb5 27.Rb5 Be5 28.f4 Rb8 29.Ra5 (29.Rb8 Bb8 30.c6 e5 31.fe5 Be5+=) ½–½. Schinkmann,Karl – Rellstab,Ludwig Jr (2185), GER–ch Seniors, 2001.

7.Nc3 c6 8.d4=.

7.Nc3 Nbd7 8.Nb5 Be7 9.Qc2 Bb7 10.Bd3 c6 11.Nc3 e5 12.Be2 Re8 13.cd5 cd5 14.d4 ed4 15.Nd4 Rc8 16.Qf5 Bf8 17.Nf3 g6 18.Qh3 a6 19.Rd1 Bg7 20.Ng5 h6= 21.Nf3 Nh7 22.Rd3+= d4 23.Nd1 Be4 24.Rd2 Bf5 25.g4 de3 26.Ne3 Bb2-/+ 27.Rb2 Rc1 28.Nd1 Bd3 29.Qh6? Ra1?? 30.Rd2?? Be2–+ 31.Re2 Ne5!! 32.Nd2 Ng5 33.f4 Ngf3 34.Kf2 Ng4 (35.Kf3 Ra3 36.Kg2 Re2 37.Kf1 Qd2 38.Qg6 fg6 39.Nf2 Rf2 40.Kg1 Ra1#) 0–1. Schinkmann,Karl – Schulz,Wolfgang (2150), GER–ch Seniors, 2001.

7.Nc3 Nbd7 8.cd5 ed5 9.Nb5 Be7 10.Nbd4 c5 11.Nc6 Qe8 12.Ne7 Qe7 13.Be2 Bb7 14.0-0 Rfd8 15.Rb1 c4 16.Nd4 g6 (16...a6 17.Nf5 Qe6 18.Bg4 Ng4 19.Qg4+=) 17.Qe1 a5 18.ba5 Ra5 19.Bc3 Ra6 (19...Ra3?? 20.Bb4 Re3 21.fe3+–) 20.f3 (20.Bb4 Qe4+=) 20...Nc5 (20...Ra3?? 21.Bb4 Re3 22.Be7 (22.de3?! Qe3 23.Qf2 Qf2 24.Kf2 Kg7+–) 22...Re7 23.Qf2+–) 21.Qh4 Rd7 (21...Rd6!?+=) 22.Nf5!+/– Qe6?? (22...gf5 23.Qg5 A double attack) 23.Nh6+– (23.Bf6?! Qf5 24.f4 Ne4+= (worse is 24...Ra3 25.Bg4 Qe4 26.Qh6+–); 23.Qf6?! Qf6 24.Bf6 gf5+=) 23...Kg7 (23...Kf8 24.Bf6 Rd6+–) 24.Ng4 d4 25.ed4 (25.ed4 Nd5 26.Bc4+–) 1–0. Woelfelschneider,Peter – Madread, 2009.

7.d4 a5 8.c5 Be7=.

7.d4 c5 8.bc5 bc5 9.Nc3 (9.dc5 Bc5 10.cd5 Nd5=) 9...Ba6 (9...cd4 10.Nd4 Bb7 11.Qb3=) 10.dc5 Bc5 11.cd5 Bf1 12.Kf1 ed5 13.g3 (13.Qd3 Qd7=) 13...Nc6 14.Kg2 Na5 15.Na4 Be7 16.Ne5 (16.Rc1 Nc4 17.Bf6 Bf6=) 16...Rc8 17.Bd4 Nc4 (17...Qd6 18.Nc3=) 18.Nc4 Rc4 19.Nb2 (worse is 19.Ba7 Qa5 20.Nb2 Qa7 21.Nc4 dc4-/+) 19...Rc7 20.Nd3 (20.Qa4 Qa8=) 20...Qc8 (20...Qd7 21.Nf4=) 21.Nb4 Rd8 (21...a5 22.Bf6 Bf6 23.Nd5 Ba1 24.Nc7 Qc7 25.Qa1 Qc6 26.Kh3 Qe6 27.Kg2 Qd5 28.Kh3 Qf5 29.Kg2 Qe4 30.Kh3 Qe6 31.Kg2 Qe4 32.Kh3 Qe6=) 22.Rc1 a5 23.Nd3 Rc1= 24.Qc1 Qf5 25.Rd1 Ne4 26.Qc7+= Ng5 27.Qe7?? Qf3–+ 28.Kf1 Qd1 29.Ne1 Ne6 30.Bb6 Rc8 31.Qd7 Rf8 32.Ba5-/+ Nc5 33.Qd6 Ne4 34.Qe5 h6 35.f3 Nd2–+ 36.Kg2?? Qe1 37.Bc3 Qf1# 0–1. Quinones,Jeannette – Guenther,Anetta, Ch World juniors, 1993. (=1.a3 Nf6 2.b4 d5 3.Bb2 e6 4.Nf3 Bd6 5.e3 0-0 6.c4 b6)

7.d4 c5 8.dc5 bc5 9.b5 Nbd7 10.Nbd2 Bb7 11.Qc2 a6 12.a4 h6 (12...ab5 13.ab5 Ra1 14.Ba1=+) 13.Bd3 d4 (13...ab5!? 14.ab5 Ra1 15.Ba1 e5 16.cd5 Nd5=) 14.ed4+= cd4 15.Bd4 ab5 16.cb5 Bf3 17.Nf3 Rc8 18.Qb1 Qa5 19.Kf1 Rfd8 20.Bb2 Ng4 21.h3 (21.Qe1 Bb4 22.Qe2 Bc3 23.Bc3 Rc3+=) 21...Nge5= 22.Be2 Nc4 23.Bc1 Nde5 24.Ra2 Qc3 25.Ne5 Be5 26.g4 (26.g3 Rd7+=) 26...Nb6 (26...Qa5!?=) 27.Kg2+/- Nd5 28.Bf3 (28.a5 Qc7 29.Bd2 Bc3+=) 28...Nb4 (28...Qa5 29.Qe4 Nc3 30.Qe5 Na2 31.Bb2+-) 29.Re2 (29.Ra3 Qc5+/-) 29...Nd3 30.Rd1 Bf4 31.Bb2 Qb3? (31...Nb2 32.Rd8 Rd8 33.Qb2+/-) 32.Be4 (better 32.Ba1!? Qb1 33.Rb1+-) 32...Nb2+/- 33.Rd8 White is in command 33...Rd8 34.Rb2 (34.Qb2?! Qa4 35.b6 Qa5=) 34...Qc3 (34...Qa4? 35.Rb4 Qa7 36.Bh7 Kh8 37.Rf4+-) 35.Qc2 Qf6 36.a5 h5 (better 36...Bb8!?+-) 37.a6 (37.gh5?! Bd2 38.b6 Ba5+/-) 37...hg4 38.hg4 (38.a7 Qh4 39.Kf1 gh3+-) 38...Qh4 (38...Be5 39.Rb1 Qe7+-) 39.Bf3 Be5 (39...Bb8 40.b6 Qh2 41.Kf1+-) 40.Ra2 Qh2 41.Kf1 Qf4 42.Qb3 Bd4 43.a7 Ba7 44.Ra7 Kh7 (44...Qf6 45.b6 Qd4 46.Ra4+-) 45.b6 f5 (45...Kg6 46.b7 Qc1 47.Kg2+-) 46.Ra8 (46.Ra8 Ra8 47.Ba8+-) 1-0. Pierre – Meckong, internet, 2020.

7.cd5 ed5=+ 8.Qc2 c5 9.Ng5 g6 10.Bd3 (10.bc5 bc5 11.Be2 Nc6=) 10...c4 11.Be2 Bf5 12.Qd1 Nc6 (12...a5 13.b5=+) 13.0-0 Be5 (13...Ne5 14.f4 Nd3 15.Bf6 Qf6 16.Nc3=) 14.Be5 (14.Nc3 d4 15.ed4 Nd4 (< 15...Qd4 16.Nf3 Qd6 17.Nb5+/–) 16.Bc4 Qc7=) 14...Ne5=+ 15.f4 Nd3 16.Nf3 Re8 17.Nc3 (17.Nd4 Be4=) 17...h6 (17...Ne4 18.Na4=) 18.Nd4= Qd7 19.Nf5 Qf5 20.Nb5 Red8 (20...Rad8 21.Nd4 Qe4 22.Qb1+=) 21.Rf3 (21.Qb1 Rf8+=) 21...a6= 22.Nd4 Qe4 23.Rg3 (23.Qf1 Rdc8=) 23...Re8 24.f5 g5 25.Bf3 Qe5=+ 26.Qc2 a5 27.b5= Qd6 28.a4 Ne5 29.Qd1 Kh7 30.h3 Rg8 31.Qc2 Nd3 32.Ne2 h5 33.Qc3 h4 34.Rg4 Ng4 35.Bg4 Nc5 36.Bh5 Ra7 37.Nd4 Ne4 38.Qc2 g4 (39.Bg4 Rg4 40.hg4 h3–+) 0–1. Pommerel,Wim – Mrkvicka,Josef, CiF CP5–94–026A, 1996.

7.cd5 ed5 8.d4 Bb7 (8...c6 9.Nc3=) 9.Nc3 Ne4 10.Qb3 Re8 11.Rc1 (11.Nd5? Bd5 12.Bc4 c6-+) 11...a6 12.Bd3 (12.Nd5? Bd5 13.Bc4 Bc4 14.Qc4 b5-+) 12...Ng5 13.Nd2 (13.Nd5? Bd5 14.Bc4 Bf3 15.gf3 Qf6-+) 13...c6 14.Qc2 h6 15.0-0 Nd7 16.f4 Ne6 17.Qb3 (17.f5 Ng5 18.e4 de4 19.Nce4 Be7=) 17...Nef8 (17...Nf6 18.Rfe1=) 18.Rce1 Nf6 19.Nf3 (19.e4 de4 20.Nde4 Bc7=) 19...a5 20.Ne5 ab4 21.ab4 Qc7 22.Rc1 Qe7 23.Na4 N6d7 24.Bf5 (24.Rf3 Bb4 (worse 24...Ne5 25.fe5 Bb4 26.Nb6+/-) 25.Nc6 Bc6 26.Rc6 Bd2=) 24...b5 (better 24...Be5!? 25.fe5 Ba6-/+) 25.Nc5= Nc5 26.dc5 Bc7 (26...Be5 27.Be5 Bc8 28.Bc2=) 27.Rce1 (27.e4 Ne6 28.ed5 cd5+=) 27...f6 28.Ng6 Qf7 29.Nf8 Kf8 30.Qd3 Re7 (30...Red8 31.Ra1+=) 31.Bg6+/- Qe6 (31...Qg8 32.Ra1 Rd8 33.Bd4+/-) 32.e4 Rd8 (32...de4 33.Re4 (33.Be4?! Qc4=) 33...Qd5 34.Re7 Ke7 35.Qe2 Kf8 36.Rd1+-) 33.e5 d4 34.Qb1 (better 34.Bf5 Qc4 35.ef6 Re1 36.fg7 Kg7 37.Re1 Qd3 38.Bd3+-) 34...Qc4? (better 34...Bc8 35.f5 Qd7+/-) 35.ef6+- Rf7 (35...Red7 36.Bf5 Rf7 37.Be6 Qf1 38.Kf1 Rf6 39.Qh7 Re6 40.Re6 Rb8 41.Bd4 Be5 42.Be5 Kf7 43.Qg6 Kf8 44.Qg7) 36.Bf7 (36.Bf7 Qf7 37.Re7 Qf6 38.Rc7+-) 1-0. Nakamura,Hikaru (2735) - Sonis,Francesco (2490), Titled Tuesday 1st June, 2021.

7.Be2 Nc6 8.0-0= dc4 9.Bc4 Bb7 10.d4 Ne4 (10...a5 11.b5 Ne7 12.Nc3=) 11.Nbd2 Ne7 12.Ne4 Be4 13.Bd3 (13.Ng5 Bg6=) 13...Bd3 14.Qd3 Nd5 15.Ng5?? (better 15.e4 Nf4 16.Qd2+=) 15...Qg5–+ 16.Bc1 Qh6 17.h3 Nf6 18.e4 Bf4 (18...Qg6 19.Re1–+) 19.e5 (19.Qf3 Bg5–+) 19...Nd5 20.Bf4 Nf4 21.Qe3 Rad8 22.Rfd1 (22.g3 Nh3 23.Kg2 Qe3 24.fe3 Ng5–+) 22...Nd5 (better 22...f6 23.ef6 Rf6 24.Rac1–+) 23.Qh6 gh6 24.Rac1 Kg7 25.g3 f6 26.Re1 (26.Rc6 Rfe8–+) 26...Rd7 (26...fe5 27.de5 Rf3 28.a4–+) 27.Rc2 (27.b5 a6! 28.a4 ab5 29.ab5 Ne7–+) 27...Ne7 (27...fe5 28.de5 Rf3 29.Ra1–+) 28.g4 1–0. Zaichenko,Andrey – Chacon,Marc, FICGS, 2008.

7.Be2 Nbd7 8.Nc3 c5 9.bc5 bc5 10.0-0 a6 11.Qc2 Bb7 12.Rab1 Qc7 13.cd5 ed5 14.h3 g6 15.Ba1 Bc6 16.Na4 Qa5 17.Bd1 Rfb8 18.Bc3 Qd8 19.Be2 Bb5 20.d3 Rb7 21.Nd2 Rab8 22.Nb2 Qe7 23.Rfe1 Qe6 24.Bf1 Nh5 25.Rec1 f5 26.Nd1 Ne5 27.Ba1 f4 28.a4 Be8 29.Rb7= Rb7 30.d4 ½–½. Vingerhoets,Luc – Sinka,Brigitta, Caorle op, 1982.

7.Qc2 b5 8.e4 e5 9.d3 Bb7 10.Nc3 cd3 11.Bd3 c6 12.0-0 a5 -/+.

7.Nc3 a5 8.b5 Nbd7 9.Bc4 Nb6 10.Bb3 e5 11.d4 e4 12.Nd2 Bf5 =.

7.Bc4 a5 8.b5 c6 9.bc6 Nc6 10.0-0 (10.d4 b6=) 10...Bd7 11.Nc3 Rc8 12.Rc1 Na7 13.Be2 b5 14.d4 Qb6 Black prepares b4 (14...b4 15.ab4 ab4 16.Na2+=) 15.Qb3 Will b5 fall? 15...Rc7 (15...Bc6 16.Ne5=) 16.Rc2 (16.Na4 Qb8 17.Nc5 a4=) 16...Rfc8 17.Rfc1 b4 18.ab4 ab4 (18...Qb4 19.Qa2 Ba4 20.Na4 Rc2 21.Rc2 Rc2 22.Bd3-/+) 19.Nb1 Rc2 20.Rc2 Rc2 21.Qc2 Qc6 22.Qc6 (22.Bd3 Qc2 23.Bc2 Nb5+=) 22...Bc6+= 23.Nbd2 Nb5 24.Ne5 Be8 25.Bb5 (25.Bf3 Nc3+=) 25...Bb5-/+ 26.Nec4 Bc7 27.g3 Nd5 28.f3 Nc3 29.Kf2 Nd1 30.Ke1 Nb2 31.Nb2 Kf8 32.Nb3 h5 33.Nc5 h4 34.Kf2 hg3-/+ 35.hg3 Ke7 36.f4 f6 37.Ke1 e5 38.Kd2 ef4 39.gf4 g5 40.fg5 fg5 41.Ne4 g4 42.Ke1 g3 43.Ng3 Bg3 44.Kd2 Kd6 45.Kc2 Kd5 46.Kb3 Bd6 47.Nd1 Ke4 48.Kb2 Be2 49.Nf2 Ke3 50.Nh3 Kd4 51.Ng5 Kc4 52.Ne6 b3 53.Ng5 Be5 54.Kb1 Bd3 55.Kc1 b2 56.Kd2 Bc3 (56...Bc3 57.Ke3 b1Q 58.Nf3 Qc1 59.Kf2 Qf4 60.Kg2 Be4 61.Kh3 Qf3 62.Kh4 Bf6 mate; 56...Bf4 57.Ke1 b1Q 58.Kf2 Qf1 mate) 0–1. Fournier,Frederic (1810) – vovansidorovich (1715), Active, 2012.

7.Bc4 a6 8.0-0 b5 9.Bb3 Re8 10.d4 c6 11.Nc3 Qc7 12.g3 e5 13.de5 Be5 14.Ne5 Qe5 15.Qd4 Qd4= 16.ed4 Bh3 17.Rfe1 Re1 18.Re1+/– Nbd7 19.Ne4 Re8 20.Nf6= Nf6 21.Re8 Ne8 22.d5 cd5 23.Bd5 Nc7 24.Bb7 f5?? 25.Be5+– Ne6 26.Ba6 g5?! 27.f4 gf4 28.gf4 Bg4 29.Bb5 Kf8 30.Bd6 Kg7 31.a4 Nd4 32.Be5 Kf7 33.Bd4 Bf3 34.a5 Ke7 35.a6 Kd8 36.Kf2 Ba8 37.Bd3 Kd7 38.Bf5 Kc7 39.Ke3 h5 40.Be4 Kb8 41.Ba8 Ka8 42.a7 h4 43.f5 h3 44.f6 Kb7 45.f7 Kc6 46.a8Q Kd6 47.f8Q Ke6 48.Qf6 Kd7 49.Qb7 Ke8 50.Qh8 (50.Qbc6) 1–0. tightfist – iboyd (1885), net–chess.com, 2006.

7.Bc4 a6 8.0-0 b5 9.Be2 Bb7 10.d3 Nbd7 11.Nbd2 c5 12.bc5 Nc5 13.Rc1 Rc8 14.e4 Bb8 15.Nb3 Na4 16.Rc8 Bc8 17.Bf6 Qf6 18.Qc1 Nc3 19.Qd2 Ne2 20.Qe2 Qc3 21.Qd1 Rd8 22.d4 Bb7 23.e5? (23.Nc5!? Ba8 24.Ng5+=) 23...Bd5 24.Nc5 Qa3 25.Qa1 Qa1 26.Ra1 Bf3 27.gf3 Rd4 28.Na6? (better is 28.Ra6 b4 29.f4-/+) 28...Be5–+ 29.Nc7 (29.Ra5 Rh4 30.Nc5 Bh2 31.Kg2–+) 29...Bc7 30.Ra8 Rd8 (30...Rd8 31.Ra7 Bd6–+) 0–1. Hal1958 – Froilo, playchess.de, 2005.

7.Bc4 a6 8.Nc3 b5 9.Bb3 (9.Be2 c5=) 9...c5 (9...Nbd7 10.d4=) 10.bc5 Bc5 11.0-0 Bb7 12.d4 Bd6 13.Bc2 b4 (13...Nc6 14.e4 e5 15.d5=) 14.ab4 Bb4 15.Ne5 (15.Qe2 Qd6=) 15...Bc3 (15...Qc7 16.Ra4 Nc6 17.Ng4 Ng4 18.Qg4=) 16.Bc3+= Qd5 (16...Nc6 17.Nc6 Bc6 18.Qd2+=) 17.f3 Nc6 (17...Rc8 18.Ra5 Qd8 19.Qa1+=) 18.Nd3 (18.e4 Qd6+=) 18...Rfc8 (18...Rfb8 19.Nc5+=) 19.Bb2 Ne7 20.Bb3 Qd8 21.Nc5 Bd5 22.Bc2 Bc4 23.Bd3 Bd3 24.Nd3= Ned5 25.Qe2 Qb6 26.Kh1 Qb3 27.Ra3 Qc2 28.Qc2 Rc2=+ 29.Re1 Rd2 30.e4 Nb6 31.Bc1+= Rc2 32.Nc5 a5= 33.Bf4 Nc4 34.Ra4 Nb2 35.Ra2+= (White fights for the initiative) 35...a4 36.Rea1+/– Nh5? 37.Be5 f6+/– 38.Bd6 Rd8 39.e5 fe5 40.Be5 Rd2? 41.Ne6 Rc8 42.Nc5 Rd1 43.Rd1 Nd1 44.g4 Nf6 45.Ra1 Nc3 46.Kg2 Ra8+/– 47.h4 Nfd5 48.Kf2 a3+= 49.f4 a2 50.Nd3 Ra4 51.Nc5?? Rb4–+ 52.f5 Rb1 53.Nb3?? (53.Ra2 Na2 54.h5–+) 0–1. wlittle (2100) – wicked (2015), net–chess.com, 2005.

7.Bc4 a6 8.d4 Nbd7 9.0-0 b5 10.Bd3 h6 11.Nbd2 Re8 12.Ne4 Ne4 13.Be4 Rb8 14.Qc2 Nf6 15.Bd3 Bb7 16.Qe2 Ng4 17.e4 c5 18.h3 c4 19.Bc2 (worse is 19.hg4 cd3 20.Qd3 Rc8+=) 19...e5? (better is 19...Nf6!? 20.e5 Rc8+–) 20.hg4+– ed4 21.Bd4 Re6 22.Rad1 Qe7 23.Rfe1 Re8 24.e5 Bf3 25.Qf3 (better is 25.gf3 Be5 26.Be5+–) 25...Bc7?? (better is 25...Be5 26.Be3 Qf6+–) 26.Bf5 Rf6 (26...Be5 27.Be6 Bd4 28.Bc4 Qe1 29.Re1 Re1 30.Bf1+–) 27.Qc3 (better is 27.Bc5 Qe6 28.Be6 Rf3+–) 27...Rc6 28.Be4 Re6 29.f4 Bb6 30.Bf5 Rc6 31.Bb6 Rb6 32.Rd7 Qf8 33.Qd4 Reb8 (33...Rc6 34.Qd5 Rb6 35.g5+–) 34.Rd1 (34.e6 fe6 35.Be6 Kh7+–) 34...g6 (34...Qe8 35.Be4+–) 35.Be4 a5 (35...Re6 36.Qa7 Rbe8 37.Bd5+–) 36.Rd8 (36.Bd5 ab4 37.Rf7 Qf7 38.Bf7 Kf7 39.e6 Re6 40.Qa7 Re7 41.Qb8 ba3 42.Qh8 g5 43.Qh7 Kf6 44.Rd6 Re6 45.Qh6 Ke7 46.Qe6 Kf8 47.Rd7 gf4 48.Qf7) 36...Rd8 37.Qd8 Qd8 38.Rd8 Kg7 39.ba5 Ra6 40.Ra8 Ra8 41.Ba8 c3 (41...f5 42.gf5 gf5 43.Bd5+–) 42.Be4 f6 43.ef6 Kf6 44.a6 g5 45.g3 Ke6 46.a7 Kd6 47.a8Q 1–0. Almeida,JCGD – Knoblauch,WL, BRA–ch sf2 Vitoria, 2002.

7.Bc4 c5 8.b5 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Nbd7 12.0-0 b6 13.Qc2 (13.d4 Qc7=) 13...Bb7=+ 14.Be2 Qb8 15.h3 Rd8 16.Rd1 Be4 (16...Ne5 17.Be5 Be5 18.Nc3=+) 17.d3= Bd5 18.d4 Qa8 (18...Be4 19.Qb2=) 19.dc5 Bc5 20.Qb2 Bf8 21.Ne1 Nc5 22.Nc3 Bb3 (22...Bb7 23.Rd8 Qd8 24.Bf3=) 23.Bf3 Qb8 24.Rd8 Qd8 25.Bc6 Bc4 26.Nf3 Nd3 27.Qd2 Qd6 28.Ne4 (28.Nd1 Nd5=) 28...Ne4 29.Be4 Qa3 30.Bd3 Qa1 (30...Bd3 31.Bd4=+) 31.Kh2 (31.Qe1 Qe1 32.Ne1 Bd5=) 31...Bd6 32.g3 Bd5 33.Be2 (33.e4 Bb7=) 33...Qa3 (33...Qa4 34.Qd3=) 34.Kg2 g6 35.e4 (35.Qd4 Qa2 36.Bd3 Qb3=+) 35...Be4-/+ 36.h4 (36.Qd4 Bf3 37.Bf3 Bc5 38.Qd8 Kg7-/+) 36...h5 (36...Bd5 37.h5-+) 37.Qe3 (37.Qd4 Bf3 38.Bf3-/+) 37...Qb4 (37...Qe3!? 38.fe3 Kf8-/+) 38.Qb6=+ Bc5 39.Qd8 (39.Qb8 Bf8=+) 39...Kg7-/+ 40.b6?? (40.Qd1!?-/+) 40...Qd4 (better 40...Qe1! 41.Qd1 Qf2 42.Kh1 Qg3-+) 41.Qd4-/+ Bd4 42.Bd3 Bd3?? (better 42...Bc6-+) 43.Nd4+- Be4 44.f3 Bd5 45.Kf2 (45.Nb5 Kf6 46.Nd6 e5+-) 45...e5? (better 45...Kf6+=) 46.Nb5 Kf6 47.Ke3?? (better 47.Nd6+-) 47...Ke6?? (better 47...Ke7+=) 48.Nc7+- Kd6 49.Nd5 Kc6 50.Ke4 f5 (50...f6 51.Nf6 Kb6 52.Nh5+-) 51.Ke5 (51.Ke5 Kb7 52.Kf6 Ka6 53.Kg6 Kb7 54.Kh5 Kc6 55.Kg5 Kd5 56.b7 f4 57.g4 Kc5 58.h5 Kb5 59.b8Q Kc6 60.h6 Kc5 61.h7 Kd4 62.h8Q Kc4 63.Qbc8 Kd3 64.Qb2 Ke3 65.Qcc3) 1-0. carlos78 (2300) - KingofPain (2105), Rated Blitz game, lichess.org, 2015.

7.Bc4 c5 8.bc5 Bc5 9.0-0 a6 10.d4 Be7 11.Nbd2 b5 12.Bb3 Bb7 13.Ne5 Nc6 14.Nc6 Bc6 15.Rc1 Rc8 16.Qe2 Qa5 The isolani on a3 becomes a target 17.Ra1 Ne4 (17...Bd6 18.Rfc1+=) 18.Ne4 Be4 19.f3 Bg6 20.Qe1 Qb6 21.Qd2 Rfd8 22.Rac1 Rc1 23.Rc1 h6 24.Qc3 b4 25.ab4 Qb4 (25...Bb4 26.Qc7 Qc7 27.Rc7+=) 26.Qb4 Bb4 27.Rc4 Bd2 28.Bc1 Rb8 29.Bd2 Rb3 30.e4 Ra3 31.Kf2 f5 32.Rc8 Kh7 33.e5 Ra2 34.Ke2 a5 35.d5 ed5 36.e6 d4 (36...a4 37.e7 a3 38.e8Q Be8 39.Re8+=) 37.g3 (better is 37.e7+=) 37...d3?? (37...a4 38.Ra8=) 38.Ke3 (better is 38.Kd3 Ra3 39.Bc3+–) 38...Rc2= 39.Rc2 (39.Rc3 f4 40.gf4 Kg8+=) 39...dc2+= 40.Kd4 a4 41.Bc1 Kg8 42.Ba3 Be8 43.Ke5 Bc6 44.f4 g6 45.Kf6 Be8 46.h3 h5 ½–½. Miljanovic,Zeljko (1915) – Popovic,Mirko (1955), Porec CC–ch, 2009.

7.Bc4 c5 8.bc5 Bc5 9.0-0 b6 10.d4 Be7 11.Nbd2 Bb7 12.Be2 Bd6 13.Qb3 Nc6 14.Rac1 Na5 15.Qb5 Ng4 16.h3 Nf6 17.Qg5 Be7 18.d5 (18.Bd3 Qd6=) 18...h6 (18...Qd5 19.Bf6 Bf6 20.Qd5 Bd5 21.e4-/+) 19.Qg3= Bd6?? (19...Qd5 20.e4 Qd7 21.Rc7=) 20.Be5?? (better is 20.Bf6 Bg3 21.Bd8 Rad8 22.fg3 Rd5 23.e4+–) 20...Be5+= (20...Bd5?? 21.Bd6 Re8 22.Nd4+–; 20...Ba3?! 21.Ra1 Bb4 22.de6 fe6 23.Rfd1+=) 21.Ne5 Qd5 22.Ndf3 (22.Rfd1 Qa2+=) 22...Ne4 23.Qf4 g5 (23...Qa2!? 24.Bd3 Nc5-/+) 24.Qg4= f6?? (24...Qa2!? 25.Bd3 Nf6=) 25.Rfd1?? (better is 25.Qh5 Qd6 26.Qg6 Kh8 27.Qh6 Kg8 28.Ng6+–) 25...Qa2+= 26.Ng5?? (better is 26.Rc2! Nf2 27.Ra2 Ng4 28.Ng4+/–) 26...Ng5-/+ 27.Nd7 Rf7–+ 28.h4 Rd8?? 29.Nf6!+– Kg7 30.Rd8 Rf6 31.hg5 Rg6 (31...Rf7 32.Qd4 Kh7 33.Rh8 Kg6 34.Rg8 Rg7 35.Rg7 Kf5 36.Qf4) 1–0. Fournier,Frederic (1925) – orpragu (1955), Active (5/0), 2004.

7.Bc4 c5 8.bc5 Bc5 9.d4 Be7 10.Qd3 a6 11.Bb3 b5 12.Nbd2 Nbd7 13.Qe2 (13.Bc2 Bb7=) 13...Bb7 14.0-0 Rc8 15.a4 b4 (15...ba4 16.Ba4 Nb6 17.Bb3=) 16.a5 Ne4 (better 16...Re8!?=) 17.Ne4+/- Be4 18.Qa6 The passed pawn on a5 quickly leads to threats 18...Bf3 19.gf3 Nf6 20.Qb5 Nd5 21.a6 Nc3 22.Qa5 White gets deadly initiative 22...Qd7 23.a7 Ne2 (23...Qb7!? 24.Kg2 Ra8 25.Bc3 bc3+/-) 24.Kg2+- Qb7 (better 24...Ra8+-) 25.Qa6 Qa6 26.Ra6 Nc3 (26...Rfd8 27.Ba4+-) 27.Rfa1 Ra8 28.Bc3 bc3 29.Bc2 f5 (29...g6 30.Be4 Rac8 31.a8Q Ra8 32.Ra8+-) 30.Bb3 (30.Bb3 g5 31.Re6+-) 1-0. Pereira – Teluen, internet, 2021.

7.Bc4 c6 8.0-0 b5 9.Bd3 Bb7 10.Qc2 h6 11.Nc3 a6 12.Ne4 Qe7 (better is 12...Ne4!? 13.Be4 f5=) 13.Bf6+/– gf6 14.Rac1 f5 15.Nd6 Qd6 16.Nd4 (16.Qc3 a5+/–) 16...Nd7? (better is 16...a5!?=) 17.Nb3+/– Ne5 18.Be2 a5 19.Na5 Rfb8 20.d4 Nc4 (20...Ng4 21.g3 Qd5+–) 21.Bc4 bc4 22.Nc4 Qd5 (22...Qe7+–) 23.Nb6 Qe4 24.Qe4 fe4 25.Na8 Ra8 26.Ra1 Ba6 27.Rfc1 Bd3 28.Rc6 f5 29.Re6 Kg7 30.Rc6 h5 31.Rc5 Kg6 32.a4 White plans b5 32...Kg5 33.b5 h4 34.b6 Ra6 35.a5 Kg4 36.b7 (36.b7 Kg5 37.b8Q Re6 38.Qf8 Re5 39.Qg7 Kh5 40.Re5 h3 41.Rf5 Kh4 42.Qg5 mate) 1–0. Rakus,Klaus – Lombardi,Donato, 53. LSS No Engine Cup Preliminary, 2011.

7.Bc4 c6 8.Qc2 a5 9.e4 Be7 10.ba5 Qa5 11.0-0 b5 12.Bd3 Qa4 =.

7.Bc4 Nc6 8.0-0 a6 9.d4 b5 10.Bd3 a5 11.e4 (11.Ne5 Bd7+–) 11...ab4? (better 11...Be7+=) 12.e5+– 1–0. Pierre – Mirrimond, internet, 2020.

7.Bc4 Nc6 8.d4 e5?? 9.de5+– (9.Ne5?! Be5 10.de5 Qd1 11.Kd1 Ng4+=) 9...Ne5 (9...Bb4 10.ab4 Qd1 11.Kd1+–) 10.Be5 Qe7 (10...Be6 11.Bd6 cd6 12.Bd3+–) 11.Bd6 cd6 12.Nc3 (12.0-0 Be6 13.Nbd2 Rfc8+–) 12...Rd8 (12...Be6 13.Qd3+–) 13.0-0 Ne4 (13...a5 14.Qd4+–) 14.Ne4 (14.Nd5 Qf8 15.Qd4 Nf6 16.Nf6 gf6 17.Qf6 Bg4+–) 14...Qe4 15.Bf7! Kf7 (15...Kh8+–) 16.Ng5 (16.Ng5 Kg8 17.Ne4+–) 1–0. Janek – Marti, internet, 2017.

7.Bc4 Nc6 8.d4 Ng4 9.0-0 Bh2?? (better is 9...Nf6+=) 10.Nh2+– Nh2 11.Kh2 Qh4 12.Kg1 e5 13.Nd2 ed4 14.Nf3 Qe4 (14...Qh6 15.ed4 Bg4 16.d5+–) 15.Bd3 Qg4 16.b5 Ne5 (16...Ne7 17.Nd4 Nd5+–) 17.Ne5 (17.Ne5 Qd1 18.Rad1 de3 19.fe3+–) 1–0. Janek – Larry, internet free game, 2017.

7.Bc4 Ne4 8.0-0 Nc6 9.d4 a6 10.Qc2 Nf6 11.Bd3 g6 12.Nbd2 b5?? (better is 12...Bd7+/–) 13.Qc6+– Bd7 14.Qc3 Nh5 (14...Nd5 15.Qb3+–) 15.d5! ed5 (15...ed5 16.Qh8 Mate attack) 16.Qh8 1–0. Fournier,Frederic (2095) – Manaschev,Erlan, Northern Lights (thematic), 2004.

7.Bc4 e5 8.Be5 Be5 9.Ne5 a5 +/–.

7.Bc4 e5 8.Ne5 Be5 9.Be5+/– Qe7 (9...Be6 10.d3+/–) 10.d4 Ng4 (10...Nc6 11.Bf6 Qf6 12.Nc3+/–) 11.Bf4 Qh4 (11...Be6!? 12.Nd2 Nf6+–) 12.Qf3 Re8?? (12...Nc6+–) 13.Bf7! (13.Bc7?? Re3 14.Qe3 Ne3–+) 13...Kh8 (13...Kf7 14.Bg5) 14.Be8 b6 (14...Qe7 15.Ba4 Nf6+–) 15.Rf1 (15...Qd8 16.Qa8+–; 15.Qa8 Qf2 16.Kd1 Ne3 17.Be3 Bg4 18.Qf3 Bf3 19.gf3 Qf3 20.Kd2 Qh1+=) 1–0. MrkT – Artic, internet, 2005.

7.Bc4 e5 8.Ne5+= Be5 9.Be5 Ng4 (9...Ng4 10.Bf4 Nf6+/–) 0–1. roy1nc6 (1890) – dgrandman (1735), gameknot.com, 2012.

7.Bc4 e5 8.Ne5 Qe7 9.d4 +=.

7.Bc4 Qe7 8.0-0 Nbd7 9.d4 Nb6 (9...e5 10.de5 Ne5 11.Nbd2=) 10.Bb3 (10.Bd3 Bd7+=) 10...Nbd5 (10...Bd7!?=) 11.Qc2+= Bd7? (11...Nb6 12.e4 Bf4 13.Bc1 Bc1 14.Rc1+= (worse 14.Qc1 Ne4 15.Nc3 Nd6=+)) 12.Nbd2 (better 12.e4!?+–) 12...a5 (12...Bb5 13.Rfe1 a5 14.e4+–) 13.ba5 (better 13.e4 ab4 14.e5+–) 13...Ra5? (better 13...Bb5!? 14.Rfe1 Ra5+–) 14.Nc4 (14.e4 Bb5 15.Nc4 Bc4 16.Bc4 Nb6+–) 14...Raa8 (14...Rb5+–) 15.Nd6?? (15.e4 Bb5+–) 15...Qd6? (15...cd6 16.e4 Rfc8 17.Qd3=) 16.Ne5 (better 16.e4+–) 16...Rfc8 (16...Bb5 17.Rfe1+=) 17.Nc4 (17.e4 Nf4+=) 17...Qe7 18.Ne5 (18.e4 Nf4+=) 18...Bb5 (18...c5 19.Qd3=) 19.Rfc1 (19.Rfd1 Nd7+=) 19...c6 (19...Qd6 20.a4 Nb4 21.Qb1+–) 20.Nc4 (20.a4 Ba6+=) 20...Nd7 (20...c5 21.dc5 Rc5 22.Bd4=) 21.e4 (21.a4 Bc4 22.Bc4 Nb4+–) 21...N5f6 (21...Nf4 22.g3 Qg5 23.a4 Bc4 24.Bc4=) 22.a4 (22.Ne3 Ba6+=) 22...Bc4 23.Bc4 h6 (23...c5 24.Bb5+=) 24.Bd3 (24.a5 c5+–) 24...b6+= 25.e5 (25.Rd1 c5 26.Rac1 Ne8+=) 25...Nd5= 26.Ba3 c5 (26...Qh4 27.Be4=) 27.dc5 (27.Bb5 Ra5+=) 27...bc5 (27...Qg5 28.c6 Ne5 29.Bb5–+) 28.Bb5 N5b6 Attacks the isolani on a4 (28...Ne5 29.Bc5 Qf6 30.a5=) 29.Bb2+= Nd5 30.g3 (30.Qe4 Ra5+=) 30...Nb4 (30...Rcb8 31.Rd1=) 31.Qe4 (31.Qd2 Nd5+=) 31...Nb6 32.Bc3 (32.a5 N6d5+=) 32...N6d5 33.Bb4 (33.a5 Rcb8 34.Bc4 Qd8+=) 33...cb4 34.Bd3 (34.Bc6 f5 35.ef6 Nf6+=) 34...g6 (better 34...Rc1 35.Rc1 g6=) 35.Bc4 (better 35.Rc8 Rc8 36.a5=) 35...Nc3-/+ 36.Qd3 Qc5 (better 36...Rc5-/+) 37.Qd6?? (better 37.Be6 fe6 38.Qg6 Kf8 39.Qh6 Ke7 40.Qf6 Kd7 41.Qf7 Qe7 42.Rd1 Nd5 43.Rd5 ed5 44.Qd5 Ke8 45.Qg8 Qf8 46.Qe6 Qe7 47.Qg8 Qf8 48.Qe6 Qe7 49.Qg8=) 37...Qc4 38.a5 (38.Re1 b3 39.Qd2 Rab8–+) 38...Qb5 (better 38...Ne2!? 39.Kg2 Nc1 40.Qd1–+) 39.Qb6 (39.Kg2 b3 40.Qa3 b2 41.Rc3 Rc3 42.Qc3 ba1R 43.Qa1 Qd5 44.f3 Qd2 45.Kh3 Ra5–+) 39...Qd3 (39...Ne2 40.Kf1 Rc1 41.Rc1 Qb6 42.ab6 Nc1 43.g4–+) 40.Qb4 (40.Rf1 b3! 41.a6–+) 40...Ne2 41.Kg2 Nc1 42.a6 (42.Qb7 Qc3 43.Ra4 Nd3–+) 42...Ra6 43.Rb1 (43.Ra6 Qa6 44.Qe4–+) 43...Qd5 44.Kh3 Qe5 (44...Nd3 45.Qd2 Ra2 46.Rb5 Qf3 47.Rb2 Rb2 48.Qg5 Nf2 49.Kh4 Rc4 50.Qf4 Qh5) 45.Qb7 (45.Qb5 Qb5 46.Rb5 Ra2–+) 45...Rac6 (better 45...Qf5 46.Kg2 Ra2 47.Rb2 Rb2 48.Qb2 Qe4 49.Kg1 Ne2 50.Kf1–+) 46.Rb5 Qf6 (46...Qe2 47.f4 g5 48.Rc5 Qh5 49.Kg2 Rc5 50.Qf3 Rc2 51.Kf1 Qf3 52.Ke1 Nd3) 47.Kg2 Nd3 48.Qd7 Qf2 49.Kh3 Qf1 50.Kg4 (50.Kh4 Rc4 51.Qd4 Nf2 52.Qc4 Qh3) 50…Rc4 (50...Rc4 51.Qd4 Rd4) 0–1. Goldmund,Heike – Strohmeier,Josef, FICGS, 2016.

7.Bc4 Qe7 8.0-0 Nbd7 9.Re1 b6 (9...e5 10.d3=) 10.d4 Bb7 11.Nbd2 Rac8 (11...a5 12.b5+=) 12.Qe2 (12.e4 Bf4+=) 12...c5= 13.bc5 bc5 14.Ba6 (14.e4 Bf4=) 14...Ba6 15.Qa6 Nb6 (15...Nb8 16.Qa4=) 16.Rac1 cd4 17.Bd4 Nfd5 (17...Ba3 18.Bf6 gf6 19.Ra1=+) 18.Rc8+= Rc8 (18...Nc8 19.Nc4+=) 19.e4+– Nc7 20.Qa7 Bc5 (20...Nd7 21.Nc4 Nb5 22.Qa6 Rc4 23.Qb5+–) 21.g3 (better 21.Bc5 Qc5 22.Rb1+–) 21...Nb5?? The isolani on a3 becomes a target (21...Ra8 22.Qb7 Na4+–) 22.Qe7+– Be7 23.Bb6 Na3 24.e5 h6 25.Ne4 Rc6 (25...f5 26.Nd6 Rc6 27.Be3 Bd6 28.ed6 Rd6 29.Bc5+–) 26.Ba7 Nb5 27.Ra1 Rc8 (27...f5 28.ef6! gf6 29.Be3+–) 28.Be3 Nc3 (28...Rc4 29.Nfd2 Rc2 30.Kg2+–) 29.Nc3 Rc3 30.Ra8 Bf8 (30...Kh7 31.Ra7 Bc5 32.Rf7 Be3 33.fe3+–) 31.Nd2 g5 32.Ne4 Rd3 (32...Rc4 33.Nf6 Kg7 34.Ne8 Kg8+–) 33.Bc5 (33.Bc5 Kg7 34.Bf8 Kg6 35.Be7+–) 1–0. Hilbert,Stephan J – Strohmeier,Josef, FICGS, 2015.

7.Bc4 Qe7 8.0-0 Rd8 9.d4 c6 10.Nc3 Qc7 (10...b5 11.Bd3+=) 11.h3 Nbd7 12.Bd3 Re8 (12...a5 13.b5=) 13.Qc2 h6 14.Rac1 e5 15.de5 Ne5 16.Ne5 Re5? (16...Be5!? 17.Nb5 Qe7 18.Be5 Qe5=) 17.Nb5! Qb8 (17...cb5 18.Qc7 Pinning (18.Qc7 Deflection; 18.Qc7 Clearance); 17...Rb5 18.Bb5 Combination) 18.Nd6+– Qd6 19.Be5 Qe5 20.Rfd1 Qg5 21.Kh1 Be6 22.f4 Qg3 23.Qe2 (23.f5 Bd7 24.e4 a5+–) 23...Re8 24.Qf3 White plans f5 (24.Qe1!? Qe1 25.Re1+–) 24...Qf3 25.gf3 Bh3 26.e4 Nh5 27.f5 Nf4 28.Bf1?? (better is 28.Kh2 g5 29.Bc4+/–) 28...Bf1-/+ 29.Rf1 Rd8?? 30.Rcd1 Rd1 31.Rd1+– Nh5? 32.Rd7 Ng3 33.Kg2 Ne2 34.Rb7 Nf4 35.Kf2 Nh3 36.Kg3 Ng5 37.Ra7 Nh7 38.Ra8 Nf8 39.a4 f6 40.a5 Kf7 41.Rf8! Kf8 42.a6 Ke7 43.a7 1–0. Fournier,Frederic – fenet, Active, 2009.

8.0-0 Bb7 9.Qc2 Bf3=+ 10.gf3 Nbd7 (10...c6 11.Rc1=+) 11.Be2 (11.f4 c6=) 11...c5=+ 12.b5 Nd5 13.Kh1 (13.f4 Qh4 14.Rc1 N7f6=+) 13...Qh4 14.f4 e5?? (14...Nf4!? 15.Qc4 Qh6-/+) 15.Rg1 (better 15.Qd3!? ef4 16.Qd5+–) 15...Qf2 (better 15...Rae8=) 16.Bf1?? (16.Qd3 N5f6 17.Rf1+= (worse 17.Qd6 Qe2 18.Nc3 Qf3 19.Rg2 Rae8-/+)) 16...ef4?? (better 16...Ne3 17.Qd3 A) 17...Nf1?! 18.Rf1 c4 19.Qc4-/+ (19.Rf2? cd3 20.Nc3 ef4–+); B) 17...Nd1–+) 17.Rg7 (17.Rg7 Kh8 18.Qh7) 1–0. Goldmund,Heike – Strohmeier,Josef, FICGS, 2013.

8.0-0 Bb7 9.d3 a6 10.e4 Be7 11.Qe2 Nbd7 12.Rd1 Qc8 13.Nbd2 c5 14.b5 ab5 15.Bb5 Bc6 16.a4 Bb5 17.ab5 Qb7 18.Nc4 Ra1 19.Ra1 Ra8 20.Qd1 Ne8 21.h3 h5 22.Nfe5 Ra1 23.Qa1 Ne5 24.Ne5 Nc7 25.Qa4 Bf6 26.f4 Be5 27.Be5 (worse is 27.fe5 Qc8+=) 27...f6 28.Bc3 Qa8 29.Qc4 (29.Qa8 Na8 30.d4 c4=) 29...Qa3 (better is 29...Qe8!?-/+) 30.f5= Kf7 31.d4?? (better is 31.Bd2 Qa1 32.Kh2 Qe5 33.Kh1+=) 31...Qc1–+ 32.Kh2 Qf4 33.Kh1 Qe4 34.fe6 Ne6 (34...Qe6 35.Qe6 Ne6 36.dc5 Nc5 37.Bd2–+) 35.Qa2 cd4 36.Qa7 (36.Bd2 Qe5 37.Qa7 Qc7 38.Qa4–+) 36...Kg6 37.Bd2 Qb1 38.Kh2 Qb5 39.Qb8 (39.Qb7 Qe5 40.Kg1 b5–+) 39...Qe5 40.Qe5 fe5 41.Kg3 e4 42.Bb4 Kf6 43.Bd6 g5 44.Kf2 h4 45.g3 0–1. Radwan,Jan (1690) – Slaby,Stanislaw (1805), Mistrzostwa Polski w Szachach Niepelnosprawnych Poland, 2009.

8.d3 a6 9.e4 Be7 10.0-0=.

8.d3 Bb7 9.e4 Be7 10.0-0 c5 (10...Nbd7 11.Qc2=) 11.b5 (11.bc5 Bc5 12.Nbd2 a6=) 11...h6 (11...a6 12.Nc3=) 12.Nbd2 (12.Qc2 a6=) 12...Nbd7 (12...a6 13.Qb3=) 13.Qb3 (13.Re1 a6=) 13...Qc7 14.Qc3 (14.a4 a5=) 14...Nh5 (14...Qf4 15.a4=) 15.g3 (better 15.Rfd1+=) 15...f6?? (better 15...a6=) 16.Be6 (16.Nd4 Bd5 17.Ne6 Be6 18.Be6 Kh7+–) 16...Kh8? (16...Kh7 17.Bg4 g6 18.Bh5 gh5 19.Nd4+–) 17.Bg4 (better 17.Nh4!? Ne5 18.f4 g5 19.fe5 gh4+–) 17...g6 18.Nh4 Ne5? (18...Kh7 19.Bh5 gh5+–) 19.Bh5 gh5 20.Nc4 (better 20.d4 Nf7 21.Ng6 Kg7 22.Nf8 Rf8+–) 20...Kh7 21.Ne5 (21.Nf5 Nf3 22.Kg2 Nd4 23.Nd4 cd4 24.Qd4 Rad8+–) 21...fe5 22.Qe5 (22.Nf5 Bf6 23.Qc1+–) 22...Qe5+– 23.Be5 Bh4 24.gh4 Rf3 25.Rfd1 Rg8 (25...Rd8 26.a4+–) 26.Bg3 (better 26.Kf1!?+–) 26...Rd8+– 27.e5 (27.a4 Rfd3 28.Rd3 Rd3+–) 27...Bc8 (27...Kg6 28.Kf1 Rfd3 29.Rd3 Rd3 30.f4+=) 28.a4 (28.Kf1 Rfd3 29.Rd3 Rd3+=) 28...Be6 (28...Rfd3 29.Rd3 Rd3 30.Kf1+–) 29.Kf1 (29.a5 Rfd3 30.Rd3 Rd3 31.ab6 ab6 32.Ra7 Kg8 33.Ra8 Kf7+=) 29...Rfd3+= 30.Ke2?? (better 30.Rd3 Rd3 31.Ke2+=) 30…Bg4–+ (30...Bg4 31.f3 Bf3 32.Kf2 Bd1–+) 0–1. jaddwarrior (1925) – president che (1790), ChessWorld.net, 2014. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Bd6 5.e3 0-0 6.c4 dc4 7.Bc4 b6)

8.d3 Bb7 9.e4 Be7 10.Nbd2 a5 11.b5 Nbd7 12.0-0 Nc5 Exerts pressure on the backward pawn 13.Qe2 c6 14.a4 cb5 15.ab5 Ncd7 16.Kh1 (16.Rfc1 a4+=) 16...Bb4 17.Rg1 Qc7 18.Rac1 (18.e5 Nd5=) 18...Qf4=+ 19.Bd4 Qh6 (19...a4 20.Be3 Qg4 21.Rc2=+) 20.Be3 Qh5 21.Nf1 Bd6 22.h3 (22.Qa2 Nc5=) 22...Ng4 (22...a4 23.Qa2=+) 23.N3h2 f5?? (better 23...Ngf6 24.Nf3 a4=+) 24.Be6 (24.Ng4?! fg4 25.Be6 Rf7+-) 24...Kh8 25.Bd7 Bh2 (25...Nf2 26.Qf2 fe4 27.Qc2+-) 26.Nh2 (26.Nh2 Qf7 27.Bf5 Ne3 28.Qe3+-) 1-0. Shuvalov,E (2180) - Kazarian,Anna_Maja (2095), Titled Tuesday, 2020.

8.d4 Bb7 9.Nbd2 a5 10.b5 =.

8.d4 Bb7 9.Nbd2 a6 10.Qc2 h6 11.e4 Be7 12.0-0-0 b5 13.Bb3? a5–+ 14.d5 ed5 15.e5 Ne8 16.h4? ab4 17.Ne4 ba3 18.Ba1 c6 19.Kb1 Qb6 20.Neg5 hg5 21.Ng5 Bg5 22.hg5-/+ g6 23.Bd4?? Qd8 24.f4? Ng7 25.g4-/+ Bc8 26.Qh2 Nh5 27.gh5 Bf5 28.Ka2 Qe7 29.hg6 fg6 30.Qh8 Kf7 31.Rh7 Ke8 32.Re7 Ke7 33.Bc5 (33...Kd8 34.Qf8 Kc7 35.e6 Be6 36.Qd6 Kb7 37.Qe6+–) 1–0. jjjooojjjoojjoj (2295) – mpenga (2265), net–chess.com, 2006.

8.d4 Bb7 9.Nbd2 Nbd7 10.0-0 Rc8 11.Bd3 c5 12.Nc4 Qe7? (better is 12...Be7!?=) 13.dc5+– bc5?? (better is 13...Bc7 14.Nd6! Bd6 15.cd6 Qd8+/–) 14.Nd6 Bf3 (14...Rc7 15.Nb7 Rb7 16.Ne5+–) 15.Nc8 (15.gf3?! Rc7+–; 15.Qf3?! Qd6 16.Rfd1 Qb6+=) 15...Bd1 (15...Rc8 16.Qf3 e5+–) 16.Ne7 Kh8 17.Rfd1 1–0. Fritz11 – jumbo, casual, 2013.

8.d4 Bb7 9.Nbd2 Nbd7 10.Qb3 Re8 11.0-0 Ne4 12.Ne4 Be4 13.Ne5 Bb7 (13...a5 14.f3 Bd5 15.e4 Bc4 16.Nc4=) 14.f3 Rb8 15.b5 Ne5 16.de5 Bc5 17.Rad1 Qg5 18.Bd4 Rbd8 19.Rf2 Rd7 (19...Bd4!? 20.ed4 c5 21.dc5 bc5=) 20.Bc5+/– Rd1 21.Qd1 bc5 22.f4 Rd8 23.Qa4 (worse is 23.fg5 Rd1 24.Rf1 Rf1 25.Kf1 c6+=) 23...Qg4 (better is 23...Qg6!?+/–) 24.Qa7?? (better is 24.Be2 Qf5 25.Qa7 Qb1 26.Bf1+–) 24…Rd1 (24...Rd1 25.Bf1 Rf1 26.Rf1 Qg2#) 0–1. Miljanovic,Zeljko (2100) – Bursic,Elvis (2105), Porec Gortan, 2003.

8.h3 Bb7 9.0-0 c5 10.bc5 Bc5 11.Nc3 Nbd7 12.d4 Bd6 13.Nb5 Qe7 14.Nd6 Qd6 15.Ne5 Rfd8 16.Ng4 (16.Qe2 a6=) 16...Ng4 (better is 16...Bg2!? 17.Kg2 Qc6 18.Qf3 Qc4-/+) 17.Qg4= (worse is 17.hg4 Bg2 18.Kg2 Qc6 19.Qf3 Qc4-/+) 17...Rac8 18.d5 e5 19.Rac1 Bd5 20.Ba6 (better is 20.Bd5 Rc1 21.Bf7 Kf7 22.Rc1+=) 20...Rc1-/+ 21.Rc1 Nc5 22.Be2 Bb3 23.Bc3 Qe6 (better is 23...a5!?-/+) 24.Qe6= Be6 25.Be5 Nd3 (25...f6 26.Bc3=) 26.Bd3 (better is 26.Rd1 Bf5 27.f3+/–) 26...f6?? (better is 26...Rd3 27.Rc3 Rc3 28.Bc3 f5=) 27.Bd4+– h6 28.Bc4 Bc4 29.Rc4 1–0. Yannick – Hevisko, playchess.de, 2004.

8.0-0 Nb6 9.Be2 Bd7 10.d3 Nbd5?? (10...a5 11.ba5 Ra5 12.Qe1+=) 11.Nbd2 (11.e4 a5+–) 11...c5 (11...a5 12.e4 ab4 13.ab4 Ra1 14.Ba1 Bb4 15.ed5 Nd5 16.Qc2+/–) 12.bc5 (12.Ne4!? Bb5 13.bc5+/–) 12...Bc5+= 13.Nc4 Qe7 14.Nfe5 Bb5 15.e4 Nf4 16.Bf3 Rfd8 17.Be2? (better is 17.Qb3 Bc4 18.dc4=) 17...Ne4!–+ 18.g3? (18.de4 Ne2 Double attack (18...Rd1 Pinning; 18...Rd1 Deflection)) 18...Ne2 (better is 18...Nf2 19.Rf2 Nh3 20.Kg2 Nf2–+ (20...Bf2?! 21.Kh3 Bc4 22.Nc4-/+)) 19.Qe2 Nd6 20.Nd6 Rd6 21.Rac1 Bd4 22.Bd4 Rd4 23.Rb1 a6 24.Rb3 Rad8 25.Rfb1 Qc5 26.a4 (26.Qh5 f6 27.Qf7 Kh8 28.Nf3 Rd3 29.Rd3 Bd3 30.Rd1–+) 26...Ra4 27.Qe3 Qe3 28.fe3 f6 29.Nf3 Rd3 (29...Bd3?! 30.Rd1+=) 30.Rd3 Bd3 31.Rb3 (31.Rb7 Ra1 32.Kf2 Ra2 33.Ke1 Re2 34.Kd1 Re3 35.Rb8 Kf7 36.Rb7 Kf8 37.Rb8 Ke7 38.Rb7 Kd6–+) 31...Be4 (31...Ra1 32.Kg2 Ra2 33.Kg1–+) 32.Nd4 Ra1 33.Kf2 e5 34.Ne6 Bd5 35.Rb6 Be6 36.Re6 b5 37.Rb6 Kf7 38.Kf3 Ra4 39.h4 h5 40.Ke2 Kg6 41.Kd3 Kf5 42.e4 Kg4 43.Rb7 g5 44.Rg7 Ra3 (44...Ra3 45.Kd2 Rg3–+) 0–1. Hal1958 – Crusaders (1780), playchess.de, 2006.

8.0-0 c5 9.bc5 Nc5 10.d4 Nce4 11.Nbd2 Bd7 12.Qb3 Qb8 13.g3 a6 14.Bd3 Bc6 15.a4 Rc8 16.Rfc1 Rc7 17.a5 Qd8 18.Ba3 Rac8 19.Bd6 Nd6 20.Ne5 Bd5 21.Nec4 Nfe4 22.Ne4 Ne4 23.Rc2 Qf6 24.f4? Nc5! 25.Bh7 Kh7 26.Qb1 Ne4 (26...Ne4 27.Na3 Rc2 28.Nc2 Nd2–+) 0–1. Zak,Pawel (1745) – Koscielny,Edmond (1860), Rubinstein Polanica Zdroj Poland, 2010.

8.0-0 c6 9.Nc3 b5 10.Bb3 a5 11.ba5 Qa5 12.Qc2 c5 13.d4 c4=+ 14.Ba2 Bb7 15.Bb1 g6 16.Rd1 Bf3=+ 17.gf3 Rab8 18.e4 Be7 19.Ne2 Qc7 20.Qc3 b4 21.ab4=+ Bb4 22.Qe3 Rfc8 23.Bc3= Bc3 24.Nc3 Nh5 25.e5 Ng7 26.Be4 Nb6 27.Ra2 Qd7 28.Rda1 Nd5 29.Bd5+= ed5 30.Ra7 Qd8 31.Qf4 Rc7?? 32.Rc7+– Qc7 33.Nd5 Qd8? 34.Nf6 Kh8 35.Qh6 (35...Qg8 36.Ng8 Kg8 37.d5+–) 1–0. dragonpower (2135) – michbarc (2350), net–chess.com, 2003.

8.0-0 Qe7 9.Nc3 c6 10.d4 e5 11.de5 Ne5 12.Be2 Rd8 13.Qc2 Nfg4 14.g3 Qf6 15.Ne5 Be5 16.h3 Nh6 17.Kg2 (17.Ne4!? Qe7 18.Be5 Qe5 19.g4=) 17...Bf5+= 18.e4 Bc3 19.Bc3 Be4 20.Qe4 Qc3 21.Rfc1 Qf6 22.Rab1 a6 23.a4 White prepares b5 23...Nf5 24.Bd3 g6 25.b5 ab5 26.ab5 Rd4 27.Qf3?? (better is 27.Qe2-/+) 27...Ra3–+ 28.bc6 bc6 (28...Rad3 29.Qd3 Rd3 30.cb7 Ng3 31.b8Q Kg7 32.Qb2 (32.fg3?? Rd2 33.Kh1 Qf3 34.Kg1 Qg2) 32...Qb2 33.Rb2+=) 29.Rd1 (29.Rc6 Qg5 30.Qe2 Rad3 31.Rc8 Kg7 32.Qe5 Kh6 33.Kg1–+) 29...Nh4! 30.gh4 Qf3 31.Kf3 Rad3 32.Rd3 Rd3 33.Kg2 h5 34.Rc1 Rd6 35.Kf3 Rf6 36.Ke3 Kf8 37.f4 Ke7 38.Ke4 Re6 39.Kd4 Kd6 40.f5 (40.Kd3–+) 40...gf5 41.Rf1 Re5 42.Kd3 Ke6 43.Rc1 c5 44.Rc4 Rd5 45.Ke3 Ke5 46.Kf3 Kd6 47.Ra4 Rd3 48.Ke2 Rh3 49.Rf4 Ke5 50.Rc4 Ra3 51.Rc5 Kf4 52.Rc7 Ra2 53.Kf1 Kg3 54.Rf7 f4 (54...Kh4?! 55.Rf5 Kg4 56.Rf2 Ra1 57.Kg2–+) 55.Rg7 Kf3 (better is 55...Kh4 56.Kg1 Kh3–+) 56.Kg1 Ra1 57.Kh2 Ke4 58.Kg2 Ra2 59.Kg1 Ke3 60.Re7 Kf3 61.Rg7 Ra1 62.Kh2 Ke3 63.Rb7 Ra6 64.Re7 Kf2 65.Rf7 f3 66.Rb7 Ra2 67.Rb3 Re2 68.Kh3 Re4 69.Rb2 Ke3 70.Rb3 Kf4 71.Rb2 Ra4 72.Rb3 Rd4 73.Ra3 Rd1 74.Ra4 Ke3 75.Ra3 Ke2 76.Ra2 Rd2 77.Ra1 Kf2 78.Rb1 Ra2 79.Rb3 Ra4 80.Rb2 Ke3 81.Rb3 Kf4 82.Rb2 Re4 83.Ra2 Rc4 (83...Ke3 84.Ra3 Kf2 85.Ra2 Re2 86.Ra5–+) 84.Ra3 Rb4 85.Ra2 Rb3 86.Ra4 Ke3 87.Ra2 (87.Kg3 Rc3-/+) 87...Rd3 (87...f2!? 88.Kg2 f1Q 89.Kf1 Kf3-/+) 88.Kg3+= Rb3 89.Rf2 Ke4 90.Ra2 Rb7 91.Ra4 Ke3 92.Ra3 Ke2 93.Ra2 Ke3 ½–½. Burg,B (2225) – Lopez,Ja (2175), Groningen NED, 2013. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 Bd6 5.e3 0-0 6.c4 dc4)

8.Qc2 a6 9.d4 Qe7 (9...a5 10.b5+=) 10.Nbd2 (10.Nc3 Nb6 11.Bd3 a5+/–) 10...e5 11.h3 (11.Bb3!?=) 11...e4+= 12.Nh2 (12.Ng5!? Nb6 13.Bb3+=) 12...Nb6-/+ 13.Be2 Bd7 14.Ng4 Ng4 15.hg4 Rfe8 16.Rh5 g6 17.Ra5 Bc6 18.Ba6 (better is 18.g3+=) 18...Ba4?? (better is 18...Qh4 19.Be2 Ra5 20.ba5 Ba4+=) 19.Ra4+/– Na4 20.Bb7 Nb2 21.Qb2 Rab8 22.Bc6 Red8 23.Ne4+– f5 24.gf5 gf5 25.Nd2 Qf6 Black intends f4 26.Qc3 Bf8 27.g3 Rd6 28.b5 Qg7 29.a4 f4 30.gf4 Rg6 31.Ke2 Rg1 32.Rg1 Qg1 33.a5 Be7 34.Bd5 Kf8 35.Qc7 Rb5 36.Qc8 (36.Qc8 Kg7 37.Qg8 Kh6 38.Qg1 Rd5 39.Qg8+–) 1–0. Vokac,M (2495) – Freisler,P (2325), ch–CZE, Lazne Bohdanec CZE, 1999. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 Bd6 5.e3 0-0 6.c4 dc4)

7.b5 a6 8.Nc3 =+.

7.b5 b6 8.Bd3 a6 9.Nc3 =+.

7.b5 b6 8.Bd3 Nbd7 9.Nc3 Bb7 (9...dc4 10.Bc4 Bb7=+) 10.Ne2 (10.cd5!? Nd5 11.Nd5 Bd5 12.Qc2=) 10...e5-/+ 11.Bf5 (11.Ng3 e4 12.Nf5 Bc7–+ (12...ed3?! 13.Nd6 Qc7 14.Nb7=)) 11...e4 12.Ng5 Be5 (12...h6 13.Nh3 Ne5 14.Be5 Be5 15.Rc1–+) 13.Be5 (13.Bc3 h6 14.Bd7 Nd7–+ (14...Qd7?! 15.Be5 Ng4 16.Bc3+=)) 13...Ne5 14.d4 Nd3 15.Kf1 h6 16.h4 g6 17.Be4 de4 18.Nh3 Qc7 19.d5 Qe5 20.Nef4 Nb2 21.Qc2 Nc4! 22.Rd1 Na3 23.Qb3 Nb5 24.Qb5 Nd5 (25.Nd5 Bd5–+) 0–1. Stapinski,R – Lewandowski,K, corr XVII Warsaw ch, 1994.

7.b5 b6 8.d4 a6 =+.

7.b5 b6 8.Be2 Bb7 9.0-0 Nbd7 10.d4 Qc7 11.Nbd2 Ne4 (11...cd4 12.ed4 dc4 13.Rc1-/+) 12.dc5 (12.cd5 ed5 13.dc5 bc5=+) 12...bc5 (12...Ndc5 13.h3-/+) 13.cd5 (13.Kh1 Nb6=+) 13...Nd2 (13...ed5!? 14.Kh1 Ndf6=+) 14.Qd2= Bd5 15.h3 (15.Rfd1 Nf6=) 15...Rae8 (15...f5 16.Rfd1=) 16.Rfd1 f5 17.Rac1 (better is 17.Qc3 Rf6 18.Qc2=) 17...Nf6 (17...Nb6 18.Qc2=) 18.Qc3 Ne4 19.Qc2 Rc8 20.Qb1 Qb7 21.Ne5 Be5 22.Be5+= Rfe8 23.f3+/– Ng5 24.Bc4 Nf7+= 25.Ba1 Rcd8 26.Qb2 Nh8? 27.Bd5+– ed5 28.Rc5 Re3 29.Rcd5! Rd5 30.Rd5 Re1 31.Kf2 Ra1 32.Rd8 Kf7 33.Qb3 Ke7+= 34.Rh8 Qb6 35.Kg3 Qd6= 36.Kf2 Qd2 37.Kg3 Qg5 38.Kf2 Qh4 39.g3+= Qd4 40.Ke2 Qe5= 41.Kd3 Qd6 42.Ke2 Qe5 43.Kd3=+ Qd6 44.Ke2 Ra3 45.Qc4 Qe5 46.Kf2 Qe3 (47.Kg2 Qf3 48.Kg1 Ra1 49.Qc1 Rc1 50.Kh2 Qf2) 0–1. StephenHilton – chessotka (1605), internet, 2006.

7.b5 Qe7 8.Nc3 (8.Bf6 Qf6 9.Nc3 Be5 10.Ne5 Qe5=) 8...b6 9.Be2 Bb7 10.Qb3 Nbd7 11.d3 Consolidates e4 11...Rfd8 12.h3 Controls g4 12...Ne5 13.Ne5 Be5 14.Bf3 (14.0-0 dc4 15.dc4 Ne8+=) 14...dc4 (14...Bc3 15.Qc3 dc4 16.dc4+=) 15.Qc4 (15.dc4 Bc3 16.Bc3 Bf3 17.gf3 Ne8-/+) 15...Bf3 16.gf3 Nd5 (16...Ne8 17.Rg1+=) 17.Nd5 (17.Rg1 Nc3 18.Bc3 Qf6 19.Be5 Qe5+=) 17...ed5-/+ 18.Qc2 (18.Qc1 Qf6 19.Be5 Qe5-/+) 18...Rac8 (18...Re8 19.Ke2-/+) 19.Rc1 (19.Qd2 Bb2 20.Qb2 d4–+) 19...c4 (19...d4!? 20.Qe2 Re8–+) 20.Be5 Qe5 21.d4 Qf6 22.Ke2 (22.f4 Re8 23.0-0 Qe6+=) 22...Re8 23.Qc3 Rc7 (23...Ra8 24.Rhg1-/+) 24.Rhg1 (24.a4!?-/+) 24...Rce7 25.Rg3 Qe6 (25...Qh4!? 26.Rcg1 f5 27.Rg5–+) 26.Rcg1 f5 27.Rg5 Qh6?? Black threatens to win material: Qh6xh3. Black lets it slip away 28.R1g2?? gives the opponent new chances 28...Qh3–+ 29.Qc2? f4 30.Qf5 Qf5 31.Rf5 fe3 32.Rd5 ef2 33.Kf2 Re2 34.Kg3 Rg2 35.Kg2 c3 36.Rh5 Rd8 37.Kf2 Rd4 38.Ke3 0–1. Jovanovic,Momir (1955) – Aicher,Hans (1745), Regionalliga SW, 2002. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Bd6 5.e3 0-0 6.c4 c5)

7.Bc3 Na6 8.bc5 Nc5 9.d4 Nce4 10.Bb4 b6 11.Nbd2 Bb7 12.Ne4 Ne4 =.

7.bc5 Bc5 8.d4 Be7 9.Nbd2 a6 10.Ne5 dc4 11.Bc4 b5 12.Qf3 Ra7 =.

7.bc5 Bc5 8.cd5 ed5 9.d4 Bd6 10.h3 (10.Bd3 Qb6 11.Nc3 A) worse 11...Qb2 12.Na4 Bb4 13.Kf1 (13.ab4?! Qb4 14.Qd2 a5=) 13...Qa1 14.Qa1+–; B) 11...Nc6=) 10...Nc6 (10...Qb6 11.Ra2=+) 11.Be2 (11.Bd3 Bd7=) 11...Bf5 (11...Qb6 12.Nc3=+) 12.Nc3 Qb6 13.Na4 Qa5 14.Nc3 Ne4 15.Qb3 Exerts pressure on the isolated pawn 15...Rab8 16.0-0 Rfd8 (16...Be6 17.Bd3=) 17.Nd5+= Nd2 (17...Be6!? 18.Bc4 Bd5 19.Bd5 Bh2 20.Kh2 Qd5 21.Qd5 Rd5+–) 18.Nd2+– Qd2 19.Rfe1 Na5 20.Qc3 Qc3 21.Bc3 Nb3 (better 21...b6!?+–) 22.Rab1!+– Bb1 (22...Bc2 23.Rb2 Be4 24.Bf3 (24.Rb3?! Bd5 25.Rbb1 Ba3+–) 24...Bf3 25.gf3+–) 23.Rb1 Bf8 24.e4 (24.Rb3?! Rd5 25.e4 Rd6=) 24...Ba3 (24...Nd4 25.Bd4 b6 26.a4+–) 25.Rb3 Bc1 (25...Bd6 26.f4+–) 26.h4 b6 (26...Rd6 27.g4+–) 27.Ne7 Kf8 28.Nc6 Bf4 (28...Rbc8 29.Nd8 Rd8 30.e5+–) 29.Bb4 Ke8 (29...Kg8 30.g3 Bh6+–) 30.Nb8 Rb8 (30...Bb8 31.Bb5 Rd7 32.Rf3+–) 31.Rf3 1–0. Janek – Frederico, internet, 2018.

7.Qc2 a5 8.b5 cb5 9.cb5 Nbd7 10.Bd3 e5 11.Ne5?? (better is 11.Be2+=) 11...Ne5–+ 12.Be5 (12.f4 Nd3 13.Qd3 Be6–+) 12...Be5 13.Nc3 d4 14.ed4 Qd4 15.0-0 Rd8 16.Rae1 (16.Be4–+) 16...Bh2 17.Kh1 Qh4 (17...Qh4 18.Bf5 Ng4 19.Bh7 Kh8 20.Re8 Re8 21.g3 Qh3 22.Bd3 Bg3 23.Kg1 Qh2#) 0–1. Trip – Rosner,Dirk, email SOK–99–E006B, 1999.

7.Qc2 dc4 8.e4 Be7 9.Bc4 a5 10.ba5 Qa5 11.0-0 b5 12.e5 Nd5 =.

7.Qc2 Ne4 8.d3 Nf6 9.Nbd2 Nbd7 10.Bf6 Qf6 11.d4 e5 12.cd5 ed4 13.Nd4 c5 14.bc5 Bc5 15.N2f3 Re8 16.Be2 Bd4 17.Nd4 Nb6 18.Qb3 Bg4 19.0-0 Be2 20.Ne2 Rad8 21.Rad1 Qe5 22.h3 Rd5 23.Rd5 Qd5 24.Rb1 Qb3 25.Rb3 h6 26.g4 Re4 27.Kg2 g5 28.Nd4 Kg7 29.a4 Re7 30.Nf5 Kf6 31.Ne7 Ke7 32.a5 1–0. orangutandu – r4096rrrnn, 2013.

7.Qc2 Re8 8.Bd3 (8.c5 Bc7=) 8...a6 (8...e5 9.c5+=) 9.Ne5 (9.c5 e5=) 9...Nbd7 (9...Be5 10.Be5 Nbd7 11.Bb2=) 10.f4 Nf8 (10...dc4 11.Nc4 Be7 12.0-0=) 11.0-0 Ng6 (11...dc4 12.Nc4 Be7 13.Bd4+=) 12.Bg6 hg6 13.Nc3 (13.c5 Bc7+/–) 13...Qc7 (13...c5 14.bc5 Bc5 15.Na4+=) 14.Rf3 (14.Na4 b5 15.c5 Be7+/–) 14...Nd7 (14...b6 15.Rb1+=) 15.d4 Be7 16.Raf1 Nf6 17.Rg3 dc4? (better is 17...Nh5 18.Rh3 b5+=) 18.Nf7+– Bd8 (18...Nh5 19.Nh6 Kf8 20.Qg6+–) 19.Ne5 b5 20.Qg6 Re7?? (20...Rf8+–) 21.Qf6 a5 22.Qg6 ab4 23.Ne4 Rf7+– 24.ab4 Ra4 25.Rh3 Rf6 26.Nf6 Bf6 27.Qe8# 1–0. Yang,R – Ziadeh, Concord, 1995. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 Bd6 5.e3 0-0 6.c4 c6)

7.Nc3 a6 8.cd5 (8.c5 Bc7+=) 8...ed5= 9.Qc2 (9.Be2 Nbd7=) 9...Bg4 10.Be2 Nbd7 11.h3 Bh5 12.Bd3 (12.0-0 Re8=) 12...Re8 (12...Bf3 13.gf3 Re8 14.Na4+=) 13.g4 (13.Be2 Nb6+=) 13...Bg6 14.Bg6 hg6 15.0-0-0? (better is 15.0-0!?+=) 15...b5 (15...a5 16.b5–+) 16.g5 (16.Kb1 a5 17.g5 ab4 18.ab4 Nh5–+) 16...Ne4 17.d3 Ng5 18.Ng5 Qg5 19.Rdg1 (19.Ne4!? de4 20.de4 Re6–+) 19...Qe7 (19...Qf5!? 20.e4 Qf3 21.Qe2 Qe2 22.Ne2–+) 20.h4 a5 (20...Nf6 21.h5 gh5 22.Ne2–+) 21.h5-/+ ab4 22.ab4 Bb4 23.hg6 Ba3 24.gf7 Qf7 25.Rg4? Bb2–+ 26.Qb2? Nc5 27.Qc2?? Qf2!! 28.d4 Ra1 29.Nb1 Qc2 30.Kc2 Ne4 31.Rhg1 Re7 32.Kb2 Ra4 33.Rg6 Rb4 34.Ka3 Rc4 35.Kb2 Ra7 36.R6g4 Rb4 37.Kc1 Rb3 38.Nd2 Nd2 39.Kd2 Ra2 40.Kc1 Ra1 41.Kc2 Rg1 42.Rg1 Rb4 43.Kd3 Rb3 44.Kd2?? Rb2–+ 45.Kc3 Rf2 46.Kb4 Kf7 47.Kc5 Rf6 48.Ra1 g5 0–1. Ackermann,Robert – Maettig,Stefan, Mittelfranken–ch M1, 1997.

7.Nc3 b6 8.Qc2 Re8 9.d4 c5 (9...a5!? 10.c5 ab4 11.ab4 Ra1 12.Ba1 Be7=) 10.dc5+= bc5 11.b5 (11.Nb5!?+=) 11...a6 12.a4 Bc7 13.Rd1 Ba5 14.Bd3 (14.Be2 ab5 15.ab5 Bb7=) 14...g6 (better is 14...e5!? 15.Bf5 Bf5 16.Qf5 ab5 17.ab5 g6=) 15.0-0+= Bb7 16.cd5 Nd5? (16...ed5!? 17.Bc4 ab5 18.Bb5 Re7+=) 17.Bc4 (17.Nd5 Bd5 18.e4 Bb7 19.Qc5 Nd7+–) 17...Qd6 (better is 17...ab5!? 18.ab5 Qb6+/–) 18.Ne4+– Qe7 (18...Qb6 19.Bd5 ed5 20.Nf6 Kf8 21.ba6 Ra6 22.Nh7 Ke7 23.Bf6 Kd7 24.Ne5 Kc8 25.Nf7 Nd7+–) 19.Bd5 Bd5 (19...ed5 20.Nf6 Kf8 21.Nh7 Kg8 22.Nf6 Kf8 23.Ng5+–) 20.Nf6 Kf8 21.Nh7 (21.Ng5 Qa7 22.Ngh7 Kg7 23.Nd5 e5+–) 21...Kg8 22.Nf6 Kf8 23.Ng5 (23.Ne8?! Bf3 24.gf3 Ke8+–) 23...Nd7 (23...Qa7 24.Ngh7 Kg7 25.Nd5 e5+–) 24.Ngh7 Kg7 25.Nd5 (25...e5 26.Ne7 Re7 27.Ng5 ab5 28.f4+–) 1–0. Stolarczyk,Anna (1900) – Stwujak,Natalia, Elk, 2000.

7.Nc3 dc4 8.Bc4 b5 9.Bb3 =+.

7.Nc3 dc4 8.Bc4 b5 9.Be2 +=.

7.Nc3 Nbd7 8.d4 Ne4 9.Ne4 de4 10.Nd2 f5 11.c5 Bc7 12.Bc4 Nf6 13.0-0 Ng4 (13...Bh2 14.Kh2 Ng4 15.Kg3 Qc7 16.f4 Ne3 17.Qb3 Nf1 18.Rf1= (< 18.Bf1 Rf6-/+)) 14.h3+= Qh4 15.f3?? (better is 15.Qb3+=) 15...Ne3 (better is 15...Qg3 16.Rf2 Qf2 17.Kh1 Qg3–+) 16.Qb3 (16.Qe1 Qf4 17.g3 Qh6 18.fe4 Nc2–+) 16...Nf1 (16...Qf4 17.Kf2 Nf1 18.Nf1–+) 17.Be6 (17.Rf1 Qf4 18.Rd1 Qh2 19.Kf1 Bf4–+) 17...Be6 18.Qe6 Kh8 19.Nf1 ef3 20.Qe3 (20.Qe1 Qh6 21.Bc1 Qh5–+) 20...fg2 21.Nh2 (21.Kg2 Rae8 22.Qf3 Re6–+) 21...f4 (better is 21...Rae8 22.Qf3 Re1 23.Kg2 Qg5 24.Ng4–+) 22.Qf3 Qg3 23.Rc1 Rae8 24.Bc3 Re3 25.Qf2 Rc3 26.Re1 Qh3 27.d5 cd5 28.Qg2 Rg3 29.Re2 f3 30.Rf2 Rg2 31.Kf1 Rf2 32.Kf2 Qh2 33.Kf1 Qe2 34.Kg1 Qg2 (34...Qe1) 0–1. wlittle (1950) – pmorphy (1945), net–chess.com, 2002.

7.Nc3 Nbd7 8.d4 Qe7 9.cd5 ed5 10.g3 (10.Bd3 b5=) 10...b5 11.Bg2 a5 12.ba5 Ra5 13.Qc1 Bb7 14.Nd2 Rfa8 15.Nb3 R5a7 16.Nb1 (16.0-0 Nb6-/+) 16...Nb6 17.0-0 Nc4 18.Qc2 Nd7 (18...b4 19.N1d2 ba3 20.Bc3-/+) 19.Re1 b4 20.a4 Nb2 21.Qb2 Ra4 22.N1d2 (22.Ra4 Ra4 23.Qc2 Ra6-/+) 22...Ra1 23.Ra1 Ra1 24.Qa1 Qd8 25.e4 Qa8 26.Qe1 Bf8 27.e5 Qe8 28.Bh3 Bc8 29.f4 Nb6 30.Bf1 Na4 31.Qc1 Qd7 32.Bd3 g6 33.f5 c5 34.dc5 Qc7 35.e6 fe6–+ 36.fg6 hg6 37.c6 Nc3 38.Nf3 e5 39.Bf1 Bg4 40.Qe3 Bf3 41.Qf3 Qc6 42.h4 Qe6 43.h5 Qf5 44.Qf5 gf5 45.Bh3 f4 46.gf4 Ne2 47.Kf2 Nf4 48.Bg4 Kg7 49.Kf3 Kh6 50.Nd4 Nh5 51.Nc6 e4 52.Ke3 Bc5 (52...Bc5 53.Kd2 Nf4–+) 0–1. Matskevich,Avshalom – Nei,Iivo, URS–ch sf Kharkov, 1956. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 Bd6 5.e3 0-0 6.c4 c6)

7.Nc3 Nbd7 8.Be2 b6 9.0-0 Bb7 10.Rc1 Rc8 (10...dc4!? 11.Bc4 b5=) 11.d4+= e5 (11...dc4 12.Bc4 Qe7 13.Qb3=) 12.de5 Ne5 13.Nd4 (13.cd5!? cd5 14.Nb5 Rc1 15.Qc1 Nf3 16.Bf3=) 13...Nc4= 14.Bc4 dc4 15.Nf5 Be5 16.Qf3 (better 16.f4!? Bc3 17.Bc3+=) 16...c5?? (better 16...Re8=+) 17.Qb7+- (17.Qb7 Rc7 18.Qf3+-) 1-0. inSecOP (2500) - agnivo (2560), Rated Bullet game, lichess.org, 2022.

7.Nc3 e5 8.d3 Re8 (8...a5 9.c5 Bc7 10.Be2=) 9.cd5 (9.Be2 d4 10.ed4 ed4 11.Nd4 Bh2 12.Rh2 Qd4+=) 9...cd5 10.Nb5 Bg4 (10...a5 11.Qb3=) 11.Nd6 (11.Be2 a5 12.Qb3 Nc6=) 11...Qd6 12.Be2 Nc6 (12...a5 13.Qa4=) 13.0-0 (13.h3 Bf3 14.Bf3 Ne7=) 13...Rac8 (13...e4 14.de4 Ne4 15.Rc1+=) 14.Qd2 (14.h3 Bf3 15.Bf3 Ne7=) 14...a6 (14...e4 15.Nd4=) 15.Rfc1 (15.h3 Bh5=) 15...Nd7 (15...e4 16.de4 Ne4 17.Qd1=) 16.Rc2 f6 (16...Nf6 17.h3 Be6 18.Ng5=) 17.Rac1 Nb6 (17...b5+=) 18.Nh4 (18.Ne5!? Be2 19.Nc6 Bd3 20.Qd3 bc6 21.Qa6+–) 18...Qd7 (18...Be2 19.Qe2 Qe6 20.h3=) 19.Bg4 (19.Nf3 Na4=) 19...Qg4=+ 20.Nf3 Rcd8 (20...Na4 21.Bc3=+) 21.h3 (21.Qd1 Qe6=) 21...Qe6 22.Qe2 (22.Qd1 d4=) 22...Rc8 (22...Na4 23.Ba1=) 23.Ba1 (23.Qd1 Qf7=) 23...Na7 24.Rc7 (24.Rc5 Na4 25.Rc8 Rc8 26.Rc8 Nc8=) 24...Nb5 (better 24...Rc7 25.Rc7 Nb5-/+) 25.Bb2?? (better 25.Rc8 Rc8 26.Rc8 Qc8 27.Bb2=+) 25...Rc7–+ 26.Rc7 Nc7 27.d4 (27.Qd1 Rc8–+) 27...e4 28.Nd2 (28.Ne1 Nc4–+) 28...Nb5 (better 28...Qc6!? 29.Nb3 Qc4 30.Qc4 Nc4 31.Bc1–+) 29.Nb3 Na4 (29...Qc6 30.Nc5–+) 30.Nc5 Nc5 31.bc5 Rc8 (31...Qc6 32.a4 Nc7 33.a5–+) 32.Qd2 (32.h4 b6 33.a4 Nc7–+) 32...b6 33.a4 Na7 34.Ba3 (34.Qc2 bc5 35.dc5 Nc6–+) 34...b5 (34...bc5 35.Bc5 Nc6 36.Qc3–+) 35.Qa5 (35.ab5 ab5 36.Qb4 Rb8–+) 35...Qc6 36.Qb6 (36.ab5 Qb5 37.Qb6–+) 36...Qb6 37.cb6 Nc6 38.ab5 (38.f3 b4 39.b7 Rb8–+) 38...ab5 39.Bd6 (39.Bb2 b4 40.b7 Rb8–+) 39...b4 40.b7 Rb8! 0–1. Zampier,Alexandre (1610) – Lopes,Marcelo Ferreira (2010), 3rd Floripa Chess Open, 2017.

7.Nc3 e5 8.Be2 =.

7.Nc3 Re8 8.c5= Bc7 9.d4 Nbd7 10.Bd3 e5 11.Bf5 (11.de5!? Ne5 12.Ne5 Be5 13.0-0=) 11...e4-/+ 12.Nd2 Nc5 13.Bh7 (13.bc5 Bf5 Discovered attack; 13.dc5 Bf5 Discovered attack) 13...Nh7 14.dc5 Nf6 15.Ne2 Ng4 16.Nf1 Ne5 17.Nf4 (better is 17.Be5!? Be5 18.Nd4+=) 17...Bg4 18.Qc2 g5 19.h3 Bf5 20.Ne2 (better is 20.Ng3!?-/+) 20...Nd3–+ 21.Kd2 Nf2 22.Nfg3 Bg6 (22...Nh1 23.Nf5 Nf2 24.Rf1-/+) 23.Rhf1-/+ Nd3 24.Bf6 Qd7 25.Bg5 a5 26.Nf4? (26.Rab1 d4! 27.Qb3 ab4 28.ab4 Qd5 29.Qd5 cd5 30.ed4 e3 31.Kc3 Bg3 32.Ng3 Ra3 33.Rb3 Ra2–+) 26...Be5 (better is 26...ab4!? 27.Ngh5 Bh5 28.Nh5 Be5–+) 27.Rab1-/+ ab4 28.ab4 Ra3 29.Rb3 Rea8 30.Ng6? (better is 30.Ra3 Ra3 31.Qb1–+) 30...fg6 (30...Bg3?! 31.Ra3 Ra3 32.Ne7 Kf8 33.b5-/+) 31.Ra3 Ra3 32.Ne4 de4 33.Ke2 Qd5 0–1. Andress,Silvio – Binder,Thomas (1750), Berlin GER, Fruehling Open–B, 2014. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Bd6 5.e3 0-0 6.c4 c6)

7.Nc3 Re8 8.Be2 e5 9.0-0 e4 10.Nd4 a6 (10...dc4!? 11.Bc4 Bh2 12.Kh2 Ng4 13.Kg3 Qd6 14.f4 ef3 15.Kf3 Ne5 16.Kf2 Nc4-/+) 11.cd5= Nd5 12.Nd5 cd5 13.Rc1 Nd7 14.f4 ef3 (14...Nf6 15.Qe1=) 15.Bf3+= Qh4 16.g3 Qg5 17.Bg2 Nb6 18.Qf3 Be6 19.Ne6 fe6 20.Qf7 Kh8 21.Qb7 Nc4 22.Bc3 h5 (22...Be5 23.Rf2+=) 23.Rf7 (23.Bh3 Qe7 24.Rf7 Qb7 25.Bg7 Kg8 26.Rb7 Nd2+–) 23...Be5+/– 24.Be5 Qe5 25.Rc2?? (better is 25.Qc7 Qc7 26.Rc7 Na3 27.Ra1+/–) 25...Nd6–+ 26.Qd7 Nf7 27.Qf7 Rf8 28.Qc7 Qc7 (better is 28...Qa1 29.Rc1 Qa3–+) 29.Rc7+= Rac8 30.Rc8 Rc8 31.Bh3 Rc6 32.Kf2 Kg8 33.Bf1 Kf7 34.b5 ab5 35.Bb5 Rc2 36.Ke2 Ke7 37.h3 Kd6 38.a4 Rc8 (38...e5 39.Be8-/+) 39.Kd3 (39.d4 Rc2 40.Kf3 e5 41.de5 Ke5-/+) 39...Kc5 (39...h4 40.gh4 Rh8 41.Ke2–+) 40.Bd7 Ra8 41.Kc3 e5 Black prepares the advance d4 42.Bb5 Rf8 43.Be2 d4 44.ed4 ed4 45.Kd3 g6 46.Ke4 Rf2 47.Kd3 (47.Bd3 Rd2 48.a5 Ra2–+) 47...Rh2 (47...Rg2!? 48.g4 Rg3 49.Ke4 Rh3 50.Bf3–+) 48.Bf1 Rh1 (better is 48...g5!?–+) 49.Ke2+= Rh2 50.Ke1?? (50.Kd3 g5 51.a5–+) 50...Kb4–+ 51.Bd3 g5 52.Bf5 Kc4 53.d3 Kb4 54.Kf1 Kc5 55.Kg1 Rb2 56.h4 gh4 57.gh4 Kd6 58.Bg6-/+ Rb6 59.Kf2 Ke6 ½–½. Nazarov,Ilya (1855) – Khramov,Oleg, Moscow Region–ch op, 2009. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 Bd6 5.e3 0-0 6.c4 c6)

7.c5 Be7 8.Qc2 Nbd7 9.Bd3 b6 10.Ng5 (better is 10.cb6 Qb6 11.Ne5=) 10...Ne4?? (better is 10...h6!? 11.Nh7 Re8=) 11.Ne4+/– de4 12.Be4 f5 (12...bc5!? 13.Bh7 Kh8+/–) 13.Bc6+– Rb8 14.cb6 Nb6 15.Nc3 (15.Qc3 Bf6 16.d4 Nd5+–) 15...Nc4 (15...Bb7 16.Bb7 Rb7 17.0-0+–) 16.Rd1 (better is 16.d4+–) 16...Qb6? (16...a5 17.Bb5 Nb2 18.Qb2 ab4 19.ab4+/–) 17.Bf3 (better is 17.Nd5 ed5 18.Bd5 Be6 19.Qc4 Bd5 20.Qd5 Rf7 21.0-0+–) 17...Bb7 (17...Nb2 18.Qb2 a5 19.b5+/–) 18.Bb7 Qb7 19.0-0 Nb2 (19...a5!?+/–) 20.Qb2+– Bb4? (better is 20...a5 21.Qa2 Qd7 22.ba5 Ra8+–) 21.ab4 Qb4 22.Qb4 Rb4 23.Rb1 a5 24.Ne2 (24.d4 Rc8 25.Na2 Rb1 26.Rb1 Rc2+–) 24...Rfb8 25.Rb4 (25...ab4 26.d4+–) 1–0. Morin – Zimmer,Georg, corr SOK–89–29, 1989.

7.c5 Be7 8.Qc2 Nbd7 9.Be2 b6 10.cb6 Qb6 11.Nc3 a5 12.Na4 Qb8 =.

7.c5 Be7 8.d4 Nbd7 9.Nbd2 Re8 10.Qc2 g6 11.h3 b6 12.cb6 Qb6 13.Nb3 Bb7 14.Be2 Bd6 15.0-0 e5 16.de5 Ne5 17.Bd4 Qc7 18.Rfc1 Rac8 19.Ba7 Nf3 20.Bf3 Bh2 21.Kh1 Be5 22.Bd4 Ne4 23.Be4 de4 24.Be5 Qe5 25.Nc5 1–0. MrThayer (2195) – jc256, ChessWorld.net, 2003.

7.d3 b6 8.Be2 a5 9.ba5 Ra5 10.0-0 Nbd7 11.Qc2 dc4 12.Qc4 e5 =+.

7.d3 dc4 8.dc4 Qe7 (8...c5 9.bc5 Be7 10.Bd3=) 9.c5 Bc7 10.Be2 (10.Bd3 b6=) 10...Nbd7 (10...b6 11.Qc2=) 11.0-0 (11.Qc2 e5=) 11...b6 12.cb6 ab6 13.Qc2 Bb7 0–1. Goldmund,Heike – Strohmeier,Josef, FICGS, 2015.

7.d4 a5 8.c5 Bc7 9.b5 =.

7.d4 a6 8.Nc3 b5 9.c5 Be7 (9...Bc7 10.a4 Bb7 11.ab5 ab5 12.Ra8 Ba8 13.Be2+=) 10.a4+– ba4 11.Bd3 a5 (11...Qc7 12.Qa4 Bb7 13.0-0+–) 12.Qa4 Bd7 (12...Ba6!? 13.Qa5 Qc8+–) 13.0-0 Ne4 (better 13...Na6 14.ba5 Qc7+–) 14.ba5 Bf6 (14...Nc3 15.Bc3 Na6 16.Rfb1+–) 15.Ne4 de4 16.Be4 Qc7 17.Ne5 Na6 (17...Be5 18.de5 Na6+–) 18.Nd7 (18.Nc6?! Nb8=) 18...Rfd8 (18...Qd7 19.Bc6 Qc7 20.Ba8 Ra8+–) 19.Nf6 gf6 20.Bc6 Rab8 21.Bc3 e5 (21...Qa7 22.Rfb1+–) 22.Rab1 ed4 23.ed4 Qf4 24.Rb6 Nc7 25.a6 Nd5 26.Rb8 Qb8 27.a7 Qc7 28.Bd5 Rd5 29.Qe8 Kg7 30.a8Q Qf4 (30...Qh2 31.Kh2 Rh5 32.Kg3 Rg5 33.Kf4 Kh6 34.Rh1 Rh5 35.Qf7 Rh1 36.Qaf8) 31.Qg8 Kh6 32.Qaf8 Kh5 33.Qh7 Kg4 34.h3 Kg5 35.Qfg7 1–0. Janek – tscjs, internet, 2018.

7.d4 dc4 8.Bc4 a5 9.b5 cb5 10.Bb5 Bd7 11.Bd3 Bc6 (11...Qb6 12.Qe2+=) 12.Nc3+= Qb6 13.Qd2 (13.Rb1 Nbd7+=) 13...Bf3 14.gf3 Rc8 15.0-0 Nc6 16.Rac1 Be7 17.f4 Bd6 18.Rc2 Ne7 (18...a4 19.Rb1+=) 19.e4+/- Nd7 (19...Nc6 20.Na4 Qb3 21.Nc5 Bc5 22.Rc5+/- (22.dc5?! Rd8 23.Rc3 Qa4=)) 20.e5+- Bc7 (20...Bb8 21.d5 Nd5 22.Nd5 Rc2 A) 23.Bc2?! ed5 (23...Qb2?? 24.Bh7 Kh7 25.Qb2 ed5 26.Qb5 Be5 27.Qd7+-) 24.Qd5 Qb2 25.Qd7 Ba7+=; B) 23.Qc2?! ed5 24.Bh7 Kh8+-; C) 23.Bh7 Kh8 24.Bc2 (worse 24.Qc2 ed5 25.Bf5 Nf8+-) 24...ed5 25.Qd5 Qb2 26.Bd3+-) 21.Rb1 Nf8 (21...g6 22.Ba1 Qa7 23.Nb5+-) 22.Bc1 Qa7 23.Nb5 Qb8 24.Be4 (24.Nc7?! Rc7 25.Be4 Ra7+/-) 24...Bb6 (24...Nd5 25.f5+-) 25.Rcb2 f5 (25...Nd7 26.Nd6 Rc6 27.Bc6 bc6 28.Qc2+-) 26.Bf3 Rc4 (26...Bc7 27.Nd6 b6 28.Nc8 Qc8 29.Rc2+-) 27.Nd6 Rd4 28.Qc2 (28.Rb6?! Rd2 29.Bd2 Qd8 30.Rb7 Ra6+/-) 28...Nd7 (28...Nc8 29.Nc8 Qc8 30.Qc8 Rc8 31.Rb6+-) 29.Rb6 Nb6 30.Rb6 Qd8 (30...Nd5 31.Be3 Nb6 32.Bd4+-) 31.Rb7 Nd5 (31...Rd5 32.Qa4 h6 33.Be3+-) 32.Bb2 Rf4 (32...Re4 33.Be4 fe4+-) 33.Bd5 ed5 34.Qc6 Qg5 35.Kh1 Qh5 (35...h6 36.Qd5 Kh7+-) 36.Qd5 Kh8 37.e6 Rd4 (37...Qh2 38.Kh2 Rf2 39.Kh3 Rb2 40.Rb2 h5 41.Qa8 Kh7 42.Qf8 h4 43.Nf5 Kg6 44.Kg4 h3 45.Qg7) 38.Qd4 (38.Bd4?! Qd1 39.Kg2 Qg4 40.Kf1 Qd1 41.Kg2 Qg4 42.Kf1 Qd1 43.Kg2=) 38...Qf3 39.Kg1 Qg4 (39...Qd1 40.Qd1 h6 41.Rg7 Rf8 42.Nf7 Rf7 43.ef7 a4 44.f8Q) 40.Qg4 fg4 41.Rg7 Ra7 42.Ra7 Kg8 43.Ra8 1-0. Pereira – Cisko, internet, 2020.

7.d4 dc4 8.Bc4 Nbd7 9.Nbd2 b6 (9...a5 10.b5=) 10.Qc2 Bb7 11.e4 Be7 12.0-0 Rc8 13.Qb3 White prepares b5 (13.Bd3 Nh5+=) 13...c5= 14.dc5 bc5 15.Rfe1 Qc7 (15...Nb6 16.b5=) 16.b5 (16.Be6!? fe6 17.Qe6 Rf7 18.Ng5+=) 16...Nb6 17.Be5 Qd7 18.Rad1 Rfd8 19.a4 Nc4 (19...Qe8!? 20.a5 Nc4 21.Qc4 Qd7+=) 20.Nc4+/- (20.Qc4?! Ng4=) 20...Qe8 21.Nfd2 (21.Bf6!? gf6 22.Nfd2+/-) 21...Rd7= 22.Bc3 Rcd8 23.f3 White is in command 23...Rd3 (23...a6 24.a5+=) 24.Ne5+= R3d6 25.Ba5 Rc8 26.Ndc4 Rd1 27.Rd1 Ne4? (better 27...Ba8!?+=) 28.fe4+- Be4 29.Nd6 Bd6 30.Rd6 Bd5 (better 30...Qe7 31.Rd7 Qg5+-) 31.Qg3 f6 32.Rd7 g6 (32...Qf8 33.Bd2 Re8+-) 33.Qh4 h5 (33...Qd7 34.Nd7 g5+-) 34.Qf6 (34.Qf6 Qd7 35.Nd7 Kh7 36.Qe7 Kh6 37.Bd2 g5 38.Qg5 Kh7 39.Nf6 Kh8 40.Qh6) 1-0. Pierre – Orampo, internet, 2020.

7.d4 Ne4 8.Nbd2 (8.Bd3 a5=) 8...f5 (8...Nd2 9.Qd2 dc4 10.Bc4+=) 9.c5 Bc7 10.Be2 Nd7 (10...b6 11.Qc2=) 11.0-0 Ndf6 (11...Qf6 12.Qc2=) 12.Ne5+= Nd7 13.f3 (13.f4 Nd2 14.Qd2 Nf6+=) 13...Ne5 (13...Nd2 14.Qd2 Ne5 15.de5+=) 14.de5 (14.fe4 Ng6 15.e5 Qg5+/–) 14...Ng5 15.Qc2 Qe8 16.f4 Ne4 17.Rf3 Qg6 18.Ne4 fe4 19.Rg3 Qf7 20.f5 ef5 21.e6 Bg3?? (better is 21...Be6 22.Rg7 Qg7 23.Bg7 Kg7 24.Qc3 Kg6+=) 22.ef7+– Rf7 23.hg3 1–0. Janek – Nicolas, internet, 2016.

7.d4 Re8 8.Nbd2 Nbd7 9.Be2 e5 10.cd5 cd5 11.de5 Ne5 12.0-0 Bg4 13.Ne5 Be2 14.Qe2 Be5 15.Be5 Re5 16.Nf3 Re7 17.Rfd1 Rd7 18.Rd4 (18.Rac1 Rc7+=) 18...Rc8= 19.Rad1 Rcc7 (19...Rdc7 20.R4d2=) 20.Ne5 Rd6 21.e4 (better 21.Qb2+=) 21...Ne4-/+ 22.Qe4?? (better 22.Re1-/+) 22...de4-+ 23.Rd6 Qd6! (23...Qd6 24.Rf1 Qe5-+) 0-1. jhonores (2205) - NWSedinery (2225), Rated Blitz game, lichess.org, 2020.

7.cd5 cd5 8.Nc3 Bd7 9.Be2 Nc6 10.0-0 Rc8 11.Rc1 Qc7 (11...e5 12.Nb5 Bb8 13.d4=) 12.Qb3 (12.Nb5!? Qb8 13.Nd6 Qd6 14.b5+/–) 12...Qb8 (12...a6 13.h3=) 13.d3 Ne5 14.h3 Nf3 15.Bf3 e5 (15...b5 16.Ne2=) 16.e4?? (better is 16.Nd5 Nd5 17.Rc8 (17.Qd5?! Bc6 18.Qb3 Bf3 19.gf3 b5+=) 17...Rc8 18.Bd5+– (18.Qd5?! Bc6 19.Qb3 Bf3 20.gf3 Rc6=)) 16...de4 (16...d4 17.Nd5 Nd5 18.Qd5+=) 17.Ne4= Ne4 18.de4 Be6 19.Qe3 Rc1 20.Rc1 b6 21.Be2 f5 22.ef5+= Bf5 23.Bc4 Kh8 24.Re1 Re8 Black prepares the advance e4 25.Bb3 e4 26.f3 a5 27.Qg5+= Bg6? 28.fe4 ab4= 29.ab4 Bb4 30.Re2 Re4?? 31.Re4+– Be4 32.Qg7 (32.Bg7?!=) 1–0. Fournier,Frederic (1635) – beck23, Active, 2006.

7.cd5 cd5 8.Be2 Nc6 9.0-0 e5 (9...a6 10.d4=) 10.d3 (10.b5 Qb6 11.Ra2 d4 12.bc6 Be6 13.cb7 Qb7 14.Bd4 ed4+=) 10...Be6= 11.Nbd2 Qb6 12.h3 Rac8 13.Rc1 h6 14.Qa4 a5 (14...a6!?+=) 15.b5+= Na7 16.Rc8 Rc8 17.d4 e4 18.Nh2?? (18.Ne5 Nd7=) 18...g5 (better is 18...Qc7 19.Ng4 Bg4 20.hg4 Qc2 21.Qc2 Rc2–+) 19.Ng4= Ng4 20.hg4 Kg7?? 21.Rc1?? Rc1-/+ 22.Bc1 Bd7 b5 draws heavy fire 23.Nb3 Bb5–+ 24.Bb5 Qb5 25.Qb5 Nb5 26.Na5 b6 27.a4 Nc3–+ 28.Nb7 Bb8 29.Kf1 Na4 30.Nd8 Nc3 31.Nc6 Bd6 32.Bd2 Nb1 33.Be1?? b5?? 34.Bb4= Bb4 35.Nb4 Nc3 36.Ke1+= Kf6 37.Kd2+/– Nb1 38.Kc2 Na3 39.Kb3 Nc4 40.Nd5 Ke6 41.Nc3 Nd6 42.Kb4 f5 43.gf5 Kf5 44.Nb5 Nb5?? 45.Kb5 h5 46.d5 h4 47.d6 Ke6 48.Kc6 g4 49.d7 h3 50.gh3 gh3 51.d8Q h2 52.Qh4 h1Q 53.Qh1 Ke5 54.Qh5 Ke6 55.Qd5 Kf6+– 56.Qe4 (56.Qe4 Kg5 57.Qe5 Kg6 58.Qe6 Kg7 59.f4 Kh7 60.Qf7 Kh8 61.Qe7 Kg8 62.f5 Kh8 63.f6 Kg8 64.Qg7) 1–0. Fournier,Frederic (1810) – jacas1 (1840), Active (5/0), 2005.

7.cd5 cd5 8.Be2 Nc6 9.Nc3 Re8 10.d3 e5 11.0-0 e4 12.de4 de4 13.Nd4 Nd4 14.ed4 Qc7 15.g3 Be6 16.Rc1 Qb8 17.Qc2 Qd8 18.Ne4 Rc8 (better is 18...Ne4!? 19.Qe4 Bh3+=) 19.Nf6+= gf6 (better is 19...Qf6!? 20.Qe4 Bf5+/–) 20.Qd2 Rc1 21.Rc1 Bf5 22.Bf3 Qe7 23.Kf1?? (23.Qh6 a6+–) 23...Bg6?? (23...Bh3 24.Kg1 Bf5+–) 24.Re1 Qd7? 25.Re8+– Qe8 26.Bb7?? Qd8?? 27.Bf3 Qb6 28.Kg2 f5 29.Qc3 1–0. Fournier,Frederic (1825) – nabeal2007, Active, 2008.

7.Be2 dc4 8.Bc4 b5 9.Bd3 +=.

7.Be2 Re8 8.0-0 e5 9.d3 e4 10.de4 de4 (worse 10...Ne4 11.Qd4 Qf6 12.Qf6 Nf6 13.Bf6 gf6 14.Rd1+/-; worse 10...Re4 11.cd5 Re8 12.dc6 Nc6 13.Nbd2+/-) 11.Bf6 (better 11.Nd4!?=) 11...Qf6-/+ (worse 11...gf6 12.Nd4+=) 12.Nd4 Qg6 (12...Qe5 13.g3 Bh3 14.Re1-/+) 13.f3 (13.g3!?=+) 13...ef3-/+ 14.Bf3 (better 14.Rf3 Qh6 15.g3 Re3 16.Nd2-/+) 14...Re3 (14...Qh6 15.g3 a5 16.ba5 Ra5 17.Ra2-+) 15.Nc2? (15.c5 Bc7 16.Bh5 Qh6 17.Bf7 Kh8=) 15...Rf3 (15...Re7 16.c5 Bc7 17.Nd2-+) 16.Rf3 (16.Qf3!? Bg4 17.Qb3-/+) 16...Bg4-+ 17.Qd3 (better 17.Nd2!?-+) 17...Bf3 18.Qg6 fg6 19.gf3 Nd7 20.Nd2 Re8 (20...Bf4 21.Ne4-+) 21.Re1 Re1 22.Ne1 b5 (22...Bf4 23.Ne4-+) 23.Ne4 Bf8 24.Kf2 (24.c5 Be7-/+) 24...a6 (better 24...bc4!? 25.Nc2 c5-+) 25.cb5 ab5 26.Nd3 (26.Nc2 Ne5=+) 26...Kf7 (26...Be7 27.Ke3-/+) 27.Ke3 (27.Ng5 Ke8=+) 27...h6 28.f4 Ke6 29.Kd4 Be7 30.Nec5 Nc5 31.Nc5 Kd6 32.a4 (better 32.Ne4!? Kc7 33.Ke5-/+) 32...ba4-+ 33.Na4 Ke6 34.Nc5 Kf5 35.Nd3 g5 (35...Bd6!?-+) 36.fg5-/+ hg5 (36...Bg5!? 37.Kc5 Ke4 38.Nf2 Ke3 39.Ng4 Kf4-/+) 37.h3=+ g6 38.Ne5?? (38.Ke3 Bf6=+) 38...Bb4 (38...Bf6 39.Kc5 Be5 40.Kc6 g4 41.hg4 Kg4 42.Kd5 Kf4 43.Kc5 g5 44.Kd5 g4 45.Kc4 g3 46.Kd3 g2 47.Kc2 g1Q 48.b5 Qc5 49.Kd2 Qc3 50.Ke2 Qc2 51.Ke1 Ke3 52.b6 Qe2) 39.Nc6= Bd2 40.Ne7 Kf6 41.Nc6 Ke6 42.Ke4 Bc3 43.Nd8 Ke7 44.Nc6 ½-½. Darkseid (1690) - greenrizla (1710), ChessWorld.net, 2007.

7.Be2 Re8 8.c5 Bc7 =.

7.Be2 Re8 8.d4 dc4 9.Bc4 Nbd7 10.0-0 =.

7.Be2 Re8 8.d4 Nbd7 9.Nc3 dc4 10.Bc4 e5 11.Qb3 Qe7 12.h3 (12.Ng5 Rf8 13.Nce4 Bc7 14.Nf6 Qf6=) 12...ed4 13.Nd4 Ne5 14.Be2 White plans b5 14...Bb8 (14...a5 15.ba5 Ra5 16.0-0+=) 15.Qc2 Qc7 (15...a5 16.b5=) 16.Rd1 a5 17.b5 c5 18.Nf3 b6 (18...Nf3 19.Bf3 Qe7 20.Ne4 Ne4 21.Be4+=) 19.Ne4 (better is 19.Ne5!? Re5 20.Bf3+/–) 19...Ne4+= 20.Qe4 Nf3 21.Qf3 Bb7?? (better is 21...Ra7=) 22.Qg4+– f5 23.Qf5 (better is 23.Bc4 Kh8 24.Qf5+–) 23...Ra7?? (better is 23...Qf7 24.Qd7 Bc8+–) 24.Bc4 (24.Rd7 Qd7 25.Qd7 Re5 26.Be5 Kf8 27.Bg7 Kg8 28.Bc4 Bd5 29.Bd5) 24...Kh8 25.Bd3 1–0. Krivoshapko,Alexander – Zenzera,Alexey, Omsk_RT, 2009.

7.Be2 Re8 8.d4 Nbd7 9.Nbd2 Qe7 10.0-0 e5 11.c5 Bc7 12.de5 Ne5 13.Ne5 Be5 14.Be5 Qe5 15.Nf3 Qe7 16.Nd4 Ne4 17.Bf3 Qg5 18.Qc2 Bg4? (18...Bf5 19.Nf5 Qf5 20.Rad1=) 19.Kh1 (better is 19.Bg4!? Qg4 20.f3+/–) 19...Bf3 20.gf3 Nf6 21.Rg1 Qh5 22.Nf5 (better is 22.Rg2!?=) 22...Qf3-/+ 23.Rg2 Re4 24.Nd6 (better is 24.Nd4!? Qh5 25.b5 cb5 26.c6+=) 24...Rg4–+ 25.Rag1 Rh4?? (better is 25...Ne4 26.Ne4 de4–+) 26.Qf5 (26.Nb7?? Rh2 27.Kh2 Qh5 28.Kg3 Qg4 29.Kh2 Qh4#) 26...Qf5 (26...Qg2 27.Rg2 Rh6+–) 27.Nf5 (27.Rg7 Kh8 28.Nf7#) 27...Re4+– 28.Rg7 Kf8 29.Nh6 Ke7 30.Rf7 Ke6 31.Rb7 a5 32.Rgg7 d4 33.Rge7 (33.Rbc7 ab4 34.ab4 de3 35.Rc6 Kd5 36.Rd6 Kc4 37.fe3 Ne8+–) 33...Kd5 34.Re4 Ne4? (34...Ke4 35.Re7 Kd5 36.ed4 ab4 37.ab4 Kd4 38.Nf5 Kc4+–) 35.Rd7 Kc4 (35...Ke5 36.f4 Kf6 37.Rd4 Re8+–) 36.Rd4 (36.Rd4 Kb3 37.Re4+–; 36.ed4?! ab4 37.ab4 Nf2 38.Kg2 Nd3+/–) 1–0. onny555 (1725) – picolochess (1775), gameknot.com, 2010.

7.Ne5 Be5 8.Be5 Nbd7 9.Bb2 h6 10.d3 Qe7 11.Be2 b6 12.Nd2 a6 13.0-0 c5 14.Bf3 Bb7 15.b5 (15.bc5 Nc5 16.Bf6 Qf6+=) 15...Rfd8 16.Qb3 e5 (better is 16...dc4!? 17.dc4 Bf3 18.Nf3 ab5 19.Qb5 e5=) 17.cd5+/– Nd5? (better is 17...Qd6 18.Ne4 Ne4 19.de4 ab5 20.Qb5 Ba6+=) 18.Nc4?? (better is 18.ba6 Ra6 19.Bd5 Bd5 20.Qd5+–) 18...N7f6?? (better is 18...ab5 19.Nd2 Qe6+=) 19.ba6 Ra6 20.Be5 Nd7 21.Bg3 Bc6 22.Rfd1 b5? 23.Nd6 Qe6? 24.Nb5+– Bb5? 25.Bd5 Qe7 26.Qb5 Rb6 27.Qc4 Rf8 28.d4 Kh8 29.dc5 Nc5 30.h3 f6 31.Qg4 Nb3 32.Bb3 Rb3 33.Bd6 Qe8 34.Bf8 Qf8 35.Rd7 Ra3 36.Ra3 Qa3 37.Qg7# 1–0. Palmi,Herbert (2235) – Albrecht,Markus (2115), remoteschach.de, 2003. (=1.Nf3 d5 2.b4 c6 3.e3 Nf6 4.Bb2 e6 5.a3 Bd6 6.c4 0-0)

8.c5 Bc7 =.

8.d3 Re8 9.Nbd2 e5 10.cd5 cd5+= 11.Be2 Nf8 12.h3 Bd7 13.0-0 Rc8 14.Qb3 Ng6 15.Rfc1 Qe7 16.Rc8 Rc8 17.Nf1 h6 18.Rc1 Rc1 19.Bc1 Qe8 20.Qc2 Ba4 21.Qb1 Qc8 22.Bb2 Bb5 23.Bd1 Bd7 24.N1h2 Qb8 25.e4 d4 26.Qc2 Qe8 27.Bc1 Kh7 28.Ne1 Qe6 29.Ng4 Qe7 30.Nf6 Qf6 31.Qe2 Qd8 32.Bb3= Qc8 33.Bd2 Qe8 34.Qd1 a6 35.Qc2 Qe7 36.Qa2 Kg8+= 37.Bd5 Ba4 38.Qc4 Qc7 39.Qc7+/– Bc7 40.Bb7 Bb5 41.a4! Ba4 42.Ba6 Kf8 43.Bc4 f6 44.Kf1 Ke7 45.g3 Bd7 46.h4 Nf8 47.Ke2 Bg4 48.f3 Bd7 49.Nc2 Kd6 50.Na3 Ba4 51.Nb5 Kc6 52.Nc7 Kc7 53.f4 ef4 54.gf4 Ng6 55.h5 Nh8 56.b5 Kb6 57.Bb4 g6 58.Be7 1–0. Grigoriev,A (2280) – Uzuner,TC (2100), 9th Open, Istanbul TUR, 2010. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Bd6 5.e3 0-0 6.c4 c6)

8.d4 b6 9.Nbd2 (9.cd5 cd5 10.Qc6 Qc7 11.Qa8 Qc2=) 9...Re8 (9...Be7 10.Bd3=) 10.Bd3 (10.cd5 c5 11.de6 fe6+–) 10...Nf8 (10...c5 11.0-0=) 11.0-0 Qc7 (11...Ba6 12.e4 Bf4 13.e5+=) 12.e4 (12.Rfc1 Bb7+/–) 12...de4+= 13.Ne4 Bf4 (13...Ne4 14.Be4 f5 15.c5 Bh2 16.Nh2 fe4 17.Qe4+=) 14.Nf6+/– gf6 15.Rfe1 Bb7 16.d5 (16.c5 Red8+/–) 16...e5 (16...cd5!? 17.cd5 Qc2 18.Bc2 Bd5 19.Bf6 Bf3 20.gf3 Nd7=) 17.g3 Bh6 18.dc6 Qc6 19.Be4 Qc8 20.Nh4 Be4 21.Qe4 Qh3 22.Nf5 Bg5 23.Bc1 (23.Rad1 Ne6+/–) 23...Ne6 24.Bg5?? (better is 24.f4 ef4 25.gf4 Qg4 26.Kh1=) 24...Ng5-/+ 25.Ne7 (25.Qg4 Qg4 26.Nh6 Kg7 27.Ng4 Nf3 28.Kg2 Ne1 29.Re1–+) 25...Kh8 (better is 25...Kf8!? 26.Qh1 e4 27.Re4 Ne4 28.Qe4 Qd7–+) 26.Qc6 (26.Qf5 Qf5 27.Nf5 Nf3 28.Kf1 Ne1 29.Re1 Red8-/+) 26...e4?? (better is 26...Qe6 27.f4 Qc6 (worse is 27...Qe7 28.fg5 fg5 29.Rad1+=) 28.Nc6 Nf3 29.Kf2 Ne1 30.Re1 Re6-/+) 27.Qf6 1–0. Colsen,M – De Jong,L, PKS op–B Netherlands, 2003.

8.d4 dc4 9.e4 Be7 10.Bc4 =.

8.d4 Re8 9.c5 Bc7 10.Nbd2 e5 11.de5 Ne5 12.Be2 Qe7 13.Ne5 Be5 14.Be5 Qe5 15.0-0 Bf5 16.Qc1 Re7 17.Nf3 Qc7 18.Nd4 Bd7 19.Qc2 Rae8 20.a4 Qe5 21.b5 Rc8 22.Ra3 g6 23.Rb1 Bf5 24.Nf5 gf5 25.Bf1 cb5 26.ab5+/– Ne4 27.c6 bc6 28.bc6 Qd6 29.Ra6 Rec7 30.Rc1 f4 31.ef4 Qf4 32.g3 Qe5 33.Bd3 f5 34.Qa2 Qd4 35.Bb1 Rf7 36.Qe2 Kh8 37.Be4 fe4+= 38.Ra5 Re7 39.Rd1 Qb6 40.Rad5 e3? 41.Rd7+– ef2 42.Qf2 Rd7 43.cd7 Qf2 44.Kf2 Rd8 45.Ke3 Kg8 46.Ke4 Kf7 47.Rd6 Ke7 48.Rh6 Rh8 49.Ra6 Kd7 50.Kf5 (50...Ra8 51.Kg5+/–; 50.Ra7 Kc6+–) 1–0. Zbroja,Tadeusz – Rudbeck,Joergen, corr 3GMM–F, 2002.

8.Qc2 Nbd7 9.Be2 =.

8.Qc2 h6 9.Be2 (9.d4 a5=) 9...Re8 (9...Qe7 10.d4+=) 10.0-0 b6 (10...e5 11.Nc3=) 11.d4 (11.Ne5 Ne4+=) 11...b5 12.Nbd2 a5 13.h3 (13.Ne5 Nfd7+=) 13...a4 14.Rad1 Nbd7 15.Rfe1 e5 (15...Rf8 16.Ne5 Bb7 17.Bd3+=) 16.de5 Be5 (16...Ne5 17.e4+=) 17.Ne5+/– Ne5 18.Nf3 (18.e4!?+/–) 18...Nf3+= 19.Bf3 Be6 (19...Bd7 20.Bd4+=) 20.Qc3 Qd7 21.e4+/– Bh3 22.gh3+– Qh3 23.Re3 Rad8 24.Bg2+– Qg4 25.Rdd3?? Rd7?? 26.Rg3+– Qe2 27.Bf3 d4 28.Rd4 Ne4 29.Be2 Nc3 30.Bc3 Rde7 31.Bf1 f6 32.Rd6 Rc8 33.Bf6 Rf7 34.Bd4 Kh7 35.Rdg6 Rg8 36.Rc6 g6 37.Bb5 Rd8 38.Rd6 Rdf8 39.Rgg6 Re8 40.Rh6 Kg8 41.Rh8 1–0. wlittle (1705) – silverfoxky, net–chess.com, 2001.

8.Bd3 Nbd7 9.0-0 e5 10.Bc2 (10.Be2 Qe7=) 10...e4 11.Nd4 Ne5 12.f4 Nc4 13.Bc3 Re8 14.Bb3 Bg4 15.Qe1 a5 16.h3 Bd7 17.Qe2 ab4 18.ab4 Ra1 19.Ba1 Qe7 (19...b5!?=+) 20.Bc4+= dc4 21.Qc4 Nd5 22.Nc3 Be6 23.Ne6 (< 23.Ne4 Ne3 24.Qc3 Nf1-/+) 23...fe6? (better is 23...Qe6!? 24.Nd5 cd5+/–) 24.Qe4+– Qd7 (25.Qd3 Rd8+–). markmooney – Germanicus, ChessWorld.net, 2005.

8.Bd3 Nbd7 9.Qc2 e5 10.Be2 e4 11.Nd4 Ne5 12.f4? (better is 12.Nc3!?+=) 12...ef3!-/+ 13.Nf3 (13.Nf3 Nf3 Double attack; 13.Bf3 Nf3 Double attack; 13.gf3 Nh5 Combination) 13...Re8 (13...Nf3!? 14.Bf3 Ng4–+) 14.0-0 Nf3 15.Bf3 (15.Rf3 Ne4 16.d3 Qh4–+) 15...Ne4 16.d3 Ng5 17.Qf2 Qe7 18.Re1? (better is 18.Bh5!? Bb8 19.h4+=) 18...Nf3–+ 19.gf3 Bh3 20.f4 f5 (20...Bf5!? 21.e4 de4 22.de4 Be4-/+) 21.Nd2+= Qf7 22.Nf3 Bg4 23.Ne5 Be5 24.Be5 Qh5 25.Ra2 Re6 26.Rf1? (26.h4 Rae8-/+) 26...Rg6 27.Kh1 Re8 28.b5 (28.Rb2 Bh3 29.Qf3 Qh4-/+) 28...Bh3 29.Qf3 Qf3 (better is 29...Qh4!? 30.Rb1 Bg4-/+) 30.Rf3= Bg4 31.Rg3 cb5 32.a4 (32.h3 Bd1 33.Rg6 hg6=) 32...ba4 (better is 32...b4!?-/+) 33.Ra4= a6 34.Kg2 Re7 35.Rd4 Rd7 36.e4 fe4 37.de4 de4 38.Bd6? (better is 38.Rd7!? Bd7 39.Rg6 hg6 40.Bc3+=) 38...Bf5 39.Rd5 (39.Rg6 Bg6 40.Kf2 Kf7-/+) 39...Rg3 40.hg3 g6 41.Kf2 Kf7 42.Ke3 Rd8 43.Re5 Attacks the isolani on e4 43...Re8 44.Rd5 Bd7 45.Be5 (better is 45.Re5!?+=) 45...Bc6-/+ 46.Rd6 a5 47.g4 a4 48.g5? (better is 48.Bc3–+) 48...a3 49.Ba1 a2 50.Rd2 (50.Rf6 Kg8 51.Rd6 Ra8–+) 50...Ra8 51.Rh2 Ra3 52.Kd4 (52.Ke2–+) 52...Rd3 53.Kc4 Bd5 54.Kb4 e3 55.Rh7 (55.Re2 Ke6 56.Be5–+) 55...Ke6 56.Bf6 (56.Rh2 Rb3 57.Ka5 Rb1–+) 56...Kf5 57.Re7 Kf4 (57...Be4 58.Rd7 e2 59.Rd3 e1Q 60.Kc4 Qc1 61.Kb5 Qb1 62.Kc4 Qd3 63.Kb4 Bc6 64.Bh8 Qb5 65.Kc3 a1Q 66.Kd2 Qb4 67.Ke3 Qd1 68.Be5 Qdd2) 58.Re8 (58.Kb5 Be4 59.Be5 Kf5 60.Bh8–+) 58...Kf3 (better is 58...Be4!? 59.Be5 Kf5 60.Bc3–+) 59.Rf8 Kg2 (59...e2 60.Ka5 e1Q 61.Kb6 Qb4 62.Ka7 Qc5 63.Kb8 Qd6 64.Kc8 Be6 65.Kb7 Rb3 66.Ka7 Qa3) 60.Re8 Kf2 61.Rf8 Bf3 (better is 61...e2 62.Re8 Rb3 63.Ka4–+) 62.Kc4 (62.Ra8 e2 63.Ra2–+) 62...Rd1 63.Ra8 e2 (63...e2 64.Bd4 Rd4 65.Kd4 e1Q 66.Ra2 Kg3–+) 0–1. Macedo,A Soares De (1850) – Lima,J Sampaio De (2050), 17th Memorial Francisco Alves – Aberto, 2013.

8.d4 b6 9.Nbd2 Ne4 10.Ne4 de4 11.Nd2 f5 12.Bc4 Qg5 13.0-0 Qh6 14.f4 (14.h3 b5 15.Be2 a5+=) 14...Nd7 (14...ef3!? 15.Qf3 Qh2 16.Kf2 Qh6=+) 15.Qb3+= Re8 16.cb6 Nb6 17.Be2 g5 18.g3 Nd5 19.Kh1 (19.Rac1 gf4 20.gf4 Bd7+=) 19...a5= 20.Rfe1 (20.Rfc1 Bd7=) 20...Rd8 21.Rac1 gf4 22.ef4 (< 22.gf4 a4 23.Rg1 Kf7-/+) 22...ab4 23.ab4 Bd6 24.Ba3 Ba6 (24...Nf4 25.gf4 Bf4 26.Nf1 Bc1 27.Bc1=+) 25.Nc4=+ ½–½. luciano59 (2100) – pierre (2015), internet, 2006.

8.d4 b6 9.Bd3 bc5 10.dc5 Nbd7 (10...a5 11.0-0=) 11.Nbd2 (11.Nd4 Nb8=) 11...e5= 12.e4 Ne4 (12...a5!?=) 13.Ne4+/– de4 14.Be4 Qf6 15.Qc2 h6 16.0-0 Ba6 (16...Rb8 17.Rfe1+=) 17.Rad1 (17.Rfe1 Rfe8+/–) 17...Rfd8 18.Rfe1 Bb5 (18...g6 19.Qc1 Kh7 20.Rd7 Rd7 21.Ne5 Be5 22.Be5+–) 19.Rd2 (19.a4 Ba6+–) 19...g6 20.a4 Ba6 21.Red1 Qe6 22.b5 (22...Bb7 23.Rd6 Bd6 24.Rd6+– (24.cd6?! Rac8 25.bc6 Nf6+=)) 1–0. woschkat (2265) – mirage (2225), net–chess.com, 2001.

8.d4 Nbd7 9.Nc3 e5 10.Be2 Re8 (10...ed4 11.Nd4 Ne5 12.0-0=) 11.0-0= Ng4 (better 11...ed4 12.Nd4 Ne5=) 12.Nd2?? (12.h3!? Ngf6 13.Qc2+=) 12...Nh6 (better 12...Nh2!? 13.Kh2 ed4 14.Kg1 dc3 15.Bc3 Ne5-/+) 13.a4 (13.Qc2 g6=+) 13...Re6 (13...ed4 14.ed4 Nf8=+) 14.Bd3 (better 14.Qc2!?=) 14...e4-/+ 15.Be2 Rg6 16.Kh1? (better 16.b5-/+) 16...Qh4–+ 17.g3?? (17.f4 Nf5 18.Qe1 Qe1 19.Rfe1 Ne3 20.Rab1 Bf4 21.g3–+) 17...Rg3! 18.fg3 (18.fg3 Bg3 Combination) 18...Bg3 19.Rf2 Bf2 20.Nce4 (20.Nf1–+) 20...de4 21.Nf1 (21.d5 cd5 22.Nf1 Qg5–+) 21...Nf6 22.d5 Nfg4 (better 22...Nd5 23.Qd4 Nf5–+) 23.Qd4 (23.Bd4 cd5 24.b5–+) 23...Nf5 24.Bg4 Nd4 (24...Qg4 25.Qg7 Ng7 26.Nd2 Nf5 27.Be5 Ne3 28.Bg3 Qh3 29.Rg1 Bg1 30.Kg1 Qg2) 25.Bc8 Qh5 26.Bh3 (26.Bg4 Qg4 27.Nd2 Nf5 28.Rf1 Be3 29.Ba1 Nh4 30.Rf2 Bf2 31.Ne4 Qe4) 26...Qh3 27.Bd4 (27.Nd2 Nf3 28.Be5 Nd2 29.Rg1 Qf3 30.Rg2 Qd1 31.Rg1 Qg1) 27…Qf3 0–1. Pereira,Antonio Samuel (1675) – Guedes,Matheus Resende (1840), Camp. Mineiro Classico, 2016.

8.d4 Nbd7 9.Nbd2 Qe7 10.Bd3 e5 11.de5 Ne5 12.Ne5 Be5 13.Be5 Qe5 14.0-0 Bg4 15.Qc2 h6 (15...Qg5 16.Kh1=) 16.Rfe1 a5 17.Nb3 ab4 18.ab4 Ra1 19.Ra1 Rb8 20.h3 Bd7 21.Ra7 Qg5 22.Kh1 Be6 23.Nd4 Bd7 24.Qa4 Ne4 (24...Qh5!? 25.Kg1 b5+/–) 25.Be4+– de4 26.Rb7! Rb7 A deflection (better is 26...Rd8+–) 27.Qa8 Theme: Double Attack 27...Kh7 28.Qb7 Be6 (28...Qd5+–) 29.Ne6 fe6 30.Qc6 Qe5 (30...Qf5 31.b5 Qf2 32.Qe4 Kh8 33.b6 Qf1 34.Kh2+–) 31.Qd6 Qf5 (31...Qa1 32.Kh2 Qa7+–) 32.c6 Qf2 33.c7 Qe3 34.c8Q Qe1 35.Kh2 (35.Kh2 Qf2 36.Qce6 Qf6 37.Qe4 Kg8 38.Qdd5 Qf7 39.Qe8 Kh7 40.Qdf7 h5 41.Qh5#) 1–0. Woelfelschneider,Peter – Nieke 1, 2009.

8.Be2 b5 =.

8.Be2 b6 9.0-0 bc5 10.bc5 Nfd7 11.Qc2 (11.d4 Qf6=) 11...e5 12.d3 Ba6 13.Rc1 f5 14.Nbd2 Qe7 (15.Ne1 e4=+) =+. Flazinski,Pawel – Plock,Joerg, corr or02–020, 2002.

8.Be2 b6 9.0-0 Nbd7 10.d4 (10.b5 Nb8= (worse 10...Nc5 11.bc6 Ba6 12.Ba6 Na6 13.Qe2+–)) 10...Qe7 (10...bc5 11.bc5 Rb8 12.Qc2=) 11.Nbd2 a5 (11...Bb7 12.Qc2=) 12.Qc2 (12.cb6 Bb6 13.Qb3 Ba6 14.Ba6 Ra6=) 12...Ba6 (12...Bb7 13.Bd3=) 13.Ba6 Ra6 14.Qd3 (14.b5 cb5 15.c6=) 14...Rfa8? (14...b5 15.a4 Rb8 16.ab5 Rb5 17.Bc3+=) 15.Qc3?? (15.b5 cb5 16.c6=) 15...Qd8 (15...b5 16.h3=+) 16.Rfc1 (16.b5 cb5 17.c6 Nb8=) 16...Qb8 (16...b5 17.Qd3=+) 17.g3 (better 17.b5 cb5 18.c6+–) 17...b5 (17...ab4 18.ab4 bc5 19.bc5=+) 18.Kg2 (18.Qd3 h6=+) 18...Ng4 (18...h6 19.Qd3=+) 19.h3 Nh6 (19...Ngf6 20.Qd3=+) 20.e4= Nf6 (20...Qd8 21.Ne5=) 21.e5 Nd7 22.Re1 (22.g4 Nf8=) 22...R8a7 (22...Nf5 23.g4 Ne7 24.Nb3=+) 23.Qd3 (23.g4 Nf8=) 23...Qa8 (23...Nf5 24.Bc3=) 24.Qc3 (24.ba5 Ba5 25.Red1 Nf5=) 24...Nf5=+ 25.g4 Ne7 26.Nb3 (26.ba5 Ra5 27.h4 Ra4=+) 26...Nb8 (26...ab4 27.ab4 Ra4 28.Qd2=+) 27.Qd3 (27.Na5 Ba5 28.ba5 Ra5=) 27...Ng6 28.Qe3 ab4 29.ab4 Ra1 30.Ra1 (30.Ba1!? Nd7 31.Bc3=+) 30...Ra1-/+ 31.Ba1 (31.Na1 Qa4-/+) 31...Qa3 (31...Qa4 32.h4-/+) 32.Qc3 (32.h4 Na6 33.h5 Nf8-/+) 32...Nf4 (32...Na6 33.Nc1 Qa4 34.Nd3 Nb4 35.Nb4–+) 33.Kf1 (33.Kh2 Na6-/+) 33...Na6 34.Na5 (better 34.Nc1!? Qa4 35.Qd2 Qa1 36.Qf4–+) 34...Qa2–+ 35.Nc6?? (35.Qb2 Qb2 36.Bb2 Nb4 37.Bc1 Nh3 38.Nb3–+) 35...Qe2 36.Kg1 Nh3 (better 36...Qd1 37.Qe1 Qf3–+) 37.Kg2-/+ Nf4 (37...Nf2 38.Qe1 Qe1 39.Ne1 Ng4 40.Nc2=) 38.Kg3=+ Nd3 39.Qd2 Qd2 40.Nd2 Ndb4 41.Na7 Nc2 42.Bb2 b4 43.Nb5 f6 (43...Ne1 44.c6=+) 44.Nc7 (44.Kf3 fe5 45.de5 Bb8=+) 44...Nc7-/+ 45.Nf3 (45.c6!?-/+) 45...Kf7–+ 46.g5 (46.ef6 gf6 47.Nd2 Ke7–+) 46...f5 (46...fg5!? 47.Ng5 Ke7 48.Nh7–+) 47.Nd2 Ke7 (47...Ne1 48.Nb3–+) 48.Kf3 Nb5 49.Nb3 Kd7 50.Ke2 h5 51.gh6 gh6 52.Kd3 Ne1 (52...Nca3 53.Bc1 h5 54.Bg5–+) 53.Ke2 Nc2 54.Kd3 Nca3 55.Ke3?? (better 55.Bc1 h5 56.Bg5-/+) 55…Nc4–+ (55...Nc4 56.Kf4 Nb2–+) 0–1. Hadi,Justin (2015) – Duran Vega,Sergio (2385), 19. Sants Open, 2017.

8.Be2 Re8 9.0-0 e5 10.d3 Bg4 11.h3 Bh5 12.Nbd2 h6 13.Nb3 Nbd7 14.Nh2 Be2 15.Qe2 Qe7 16.Ng4 b6 17.Nf6 Nf6 18.Rac1 bc5 19.Nc5 (19.Rc5 a5=) 19...Bb6 (19...a5 20.Rc2=) 20.Qc2 Red8 (20...a5 21.Na4 Bc7 22.Qc6 ab4 A) worse is 23.Qc7 Qc7 (worse is 23...Ra4 24.Qe7 Re7 25.ab4+/–) 24.Rc7 Ra4=; B) 23.ab4+/–) 21.Na4 (21.Rfe1 Re8+=) 21...Rac8 22.Nb6 ab6 23.Qc3 Re8 24.a4 c5 25.bc5 bc5 (worse is 25...Qc5 26.Qe5 Re5 27.Rc5 bc5 28.Be5+/–) 26.Ba3 Nd7 27.Rb1 Qe6 28.Rb5 Now all is on c5 28...d4 29.ed4 (29.Qc4 Qc4 30.dc4 e4=) 29...cd4+= 30.Qb3 Qg6 (30...Qb3 31.Rb3 Ra8 32.f4 Ra4 33.Bd6 ef4 34.Rb7-/+) 31.Bb4 Rb8 32.Rd1 e4 (32...Qa6!? 33.Rb8 Rb8+=) 33.de4+= Qe4 34.Qd5 (better is 34.f3 Qg6 35.Rb8 Rb8 36.Rd4+/–) 34...Qe2?? (better is 34...Qd5 35.Rd5 Rb4 36.Rd7 Ra4 37.R1d4 Rd4 38.Rd4 Re1 39.Kh2 Kf8=) 35.Qd4 (better is 35.Re1 Qe1 36.Be1 Rb5 37.ab5+– (37.Qb5?! Re1 38.Kh2 Nf8+–)) 35...Nf6+/– 36.Rb8 Rb8 37.Re1 Qa6 38.Bc3 Qb6 (38...Rc8 39.a5+/–) 39.Qb6+– Rb6 40.a5 Ra6 41.Rb1 Nd7 42.Rb7 Nc5 43.Rb6 Rb6 44.ab6 Nb7 45.f4 h5 46.Kf2 Kh7 47.g4 hg4 48.hg4 Kg6 49.Ke3 f6 50.Ke4 Kf7 51.Kd5 Ke7 52.Kc6 Nd8 53.Kc7 Ne6 54.Kc8 Nd8 55.Bb4 Ke8 56.Bf8! g6 57.f5 g5 58.Bg7 Ke7 59.Bf6! Kf6 60.Kd8 Ke5 61.b7 Kf4 62.b8Q Kg4 63.f6 (63.f6 Kf5 64.f7 Ke4 65.f8Q Kd4 66.Qbb4 Kd3 67.Qf2 g4 68.Qbd4#) 1–0. Hal1958 – Jule, playchess.de, 2004.

8.Be2 Re8 9.d4 Nbd7 10.0-0 b6 11.Nbd2 bc5 12.bc5 e5 (12...a5 13.Rb1+=) 13.de5 (13.Ne5 Ne5 14.de5 Be5 15.Be5 Re5=) 13...Ne4 14.Ne4 (14.Nd4 Ne5 15.f4 Rb8+=) 14...de4= 15.Nd4 Ne5 16.Qc2 Bd7 17.Rfd1 Qg5 18.Qe4 (18.Rab1 Ng4 19.h3 Ne3 20.fe3 Qe3 21.Kf1 Qf4 22.Nf3 ef3 23.Bf3 Bc8–+) 18...Ng4=+ 19.Nf3 (19.Qf3 Bh2 20.Kf1 Bc7-/+ (< 20...Qc5 21.g3=)) 19...Bh2 (< 19...Re4 20.Ng5 Bh2 21.Kf1+–) 20.Kf1 (20.Nh2 Re4) 20...Qh6 21.Qd3 Bg3 22.Ng1 Bf2 23.Bg4 Bg1 24.Kg1 Bg4–+ 25.Re1 Rad8 26.Qc4 Qg5 27.Qf4 Qg6 28.Bd4 Rb8 29.Rf1 Rb7 30.Rf2 a6 31.Qd6 Qe6 32.Qe6 Re6 33.Rff1 h5 34.Rab1 ½–½. Niewold,Jaap (1730) – Sala,Stefano, TE.2004.P.01702, 2004.

8.Be2 Re8 9.Ne5 Nbd7 10.f4 Ne5 11.fe5 (11.Be5 Be5 12.fe5 Ne4+=) 11...Ne4 (11...Nd7 12.d4 f6 13.0-0+=) 12.0-0= Qg5 13.Rf3 (13.Bh5 g6 14.Bg4 Be5+=) 13...Be5+= 14.Be5 (14.h4 Bb2 15.hg5 Ba1+=) 14...Qe5-/+ 15.d4 (15.Ra2 b6-/+) 15...Qg5 16.Qe1 (16.Nd2 Nc3 17.Qe1 e5–+) 16...e5–+ 17.Nc3 (better is 17.Bd3–+) 17...ed4 18.Ne4 Re4 (18...de4?! 19.Rg3 Qf6 20.ed4 Qd4 21.Kh1–+) 19.Rg3 (19.ed4 Bg4 (19...Rd4?! 20.Qf2 Rg4 21.Rf1-/+) 20.Rg3 Rae8 (20...Rd4 21.h3+=) 21.Rg4 A) 21...Re2?? 22.Qe2 (22.Rg5? Re1 23.Re1 Re1 24.Kf2 Re4–+) 22...Re2 23.Rg5+–; B) 21...Rg4 22.Bg4 Re1 23.Re1 f5–+) 19...Qe7 20.Bf3 (20.Bd3 Re3 21.Qf2 a5–+) 20...Re3 21.Qd2 (21.Qd1 Qe5–+) 21...d3 (21...f5!? 22.Rf1 f4 23.Bd5 cd5 24.Rgf3 Rf3 25.Rf3–+) 22.Rf1 Qe5?? (22...d4 23.Bh5 f6 24.Re3 Qe3 25.Qf2 Qf2 26.Kf2–+) 23.Qf2? (better is 23.Bd5 Rg3 24.Bf7 Kh8 25.hg3 Qd4 26.Kh2-/+) 23...Be6–+ 24.a4 (24.Bh5 Rg3 25.Bf7 Kh8 26.Be6 Rg2 27.Kg2 Qe6 28.Qf3 Qg6 29.Kh3–+) 24...Re8 (24...d4 25.a5–+) 25.Bg4?? (better is 25.Bh5 Re2 26.Be2 de2 27.Re1–+) 25...Rg3–+ 26.hg3 d2 (better is 26...Qe4!? 27.Be6 Qe6 28.b5–+) 27.Be6 Qe6 28.Qd2 Qe3 29.Qe3 Re3 0–1. Shutov,V – Davydiants,Eduard (2055), Moscow Region–ch op, 2004. (=1.Nf3 d5 2.b4 Nf6 3.e3 e6 4.a3 Bd6 5.Bb2 0-0 6.c4 c6 7.c5 Bc7)

8.Ne5 b6 9.Qc2 (9.f4 bc5 10.bc5 Ne4=+) 9...Nfd7 10.f4 (10.Nd7 Qd7 11.Bd3 f5=) 10...Qh4 (10...Ne5!? 11.fe5 Qh4 12.g3 Qg5=+) 11.g3= Qd8 (11...Qh5 12.cb6 Be5 13.ba7 Bb2 14.ab8Q Rb8 15.Qb2=) 12.cb6+= Bb6 (12...ab6 13.Nc6 Nc6 14.Qc6+=) 13.Nc6 (13.Bd3 Nf6+=) 13...Nc6 14.Qc6 Rb8 15.Bb5 Re8 (15...a6!? 16.Be2 Bb7+=) 16.Be5+/– Rb7 17.Ba4 (17.0-0 f6 18.Bd6 d4+/–) 17...Bc7 (17...f6 18.Bd6+=) 18.0-0+/– Be5 (18...f6 19.Bd6+/–) 19.fe5 Rc7 20.Qd6 Bb7 (20...f6 21.d4+/–) 21.Nc3 (21.d4+/–) 21...Qc8 (21...f6 22.ef6 Nf6 23.Qe5+/–) 22.Rae1 (22.Nb5 Rc6 23.Na7 Rd6 24.Nc8 Ra6 25.Bd7 Rd8 26.Be6 Re6+–) 22...Rd8 (22...Bc6 23.Nb5 Bb5 24.Bb5 Rd8+=) 23.Ne2?? (better is 23.Nb5 Rc6 24.Na7 Rd6 25.Nc8+–) 23...Nc5?? (23...Nb6 24.Bd7 Rdd7–+) 24.bc5= Rd6 25.cd6 Rc4 26.d7 (26…Qd8 27.Rf4=+; 26.Rc1 f6=). Pencis,A – Bloesch,PA, Biel–op ATO, 1996.

8.Ne5 Nbd7 9.f4 =+.

9.0-0 e5 10.d3 Qe7 11.Nfd2 b6 12.d4 bc5 13.bc5 Rb8 14.Qc2? (14.Bc3 ed4 15.ed4 Re8=+) 14...Re8 (better is 14...Rb2 15.Qb2 ed4–+) 15.Nc3 ed4 16.Na4?? (better is 16.ed4 Ne4 17.Nde4 de4 18.Bc1=+) 16...de3–+ 17.Nf3 ef2 18.Rf2 Ng4 19.Rff1 (19.Raf1–+) 19...Qe3 20.Kh1 Qe2 21.Qc3 Nde5 22.Rae1 Nf2 23.Kg1 Nf3 24.gf3 (24.Qf3 Rb2 25.Re2 Rbe2 26.Rf2 Re1 27.Rf1–+) 24…Nh3 (25.Kh1 Qh2) 0–1. maaxa – coeurbrise, Live Game Caissa's Web, 2004.

9.d4 a5 10.Nc3 Qe7 11.0-0 e5 12.b5 e4 13.Nd2 Re8 14.b6 Bb8 15.Re1 Nf8 16.Nf1 Ng6 17.Ng3 Bg3 18.fg3 Qd7 19.Rf1 Ng4 20.Qd2 f5 21.h3 Nh6 22.Bd1 Qe7 23.Ne2 Qg5 24.Bc3 a4 25.Ba5 Qf6 26.Ba4 Rf8 27.Nf4 Nf4 28.gf4 Be6 29.Rfb1 Rf7 30.Bb3 g5 31.Rf1 g4 32.Bb4 Rg7 33.Kh2 Qh4 34.Qe1+/– (34...Qf6 35.Rg1+/–) 1–0. Double Wood – Germanicus, ChessWorld.net, 2005.

9.d4 Ne4 10.0-0 b6 (10...Qf6 11.Nbd2=) 11.Nbd2 f5 12.Qc2 bc5 13.bc5 Rb8 14.Rab1 Qf6 15.Qa4 (better is 15.Ba1+=) 15...Bh2?? (15...Rb2 16.Rb2 Nc3 17.Qc6 Ne2 18.Kh1=) 16.Kh2= Qh6 17.Kg1 Rb2 18.Ne4 (18.Rb2 Nc3) 18...fe4? (better is 18...Rb1 19.Nf6 Rf6 20.Rb1 e5=) 19.Rb2+– ef3 20.Bf3 Rf3 21.Qc6?? (21.gf3 (The passed pawn on c5 quickly leads to threats) 21...Qg5 22.Kh2 Nc5 23.Qa7 (23.dc5?! Qe5 24.f4 Qb2+/–; 23.Qc6?! Qh5 24.Kg1 Qg6 25.Kh1 Qh5 26.Kg2 Qg6 27.Kh3 Qh5 28.Kg3 Qg5 29.Kh2 Qh5 30.Kg1 Qg6 31.Kh2 Qh5=) 23...Qh5 24.Kg1 Qg6 25.Kh1 Qh5 26.Kg2 Qg6 27.Kh3 Qh5 28.Kg3 Qg5 29.Kh2 Qh5 30.Kg1 Qg6 31.Kh2 Qh5=) 21...Rf8= 22.Rc1 Qg6 23.Qa8 (23.Qc7 a6=) 23...a6= 24.c6 Nf6 25.Rb8 Qe8 26.Qa7 e5=+ 27.c7 ed4 28.Qd4 Qf7 29.Rc6 Qd7 30.Rbb6 Ne4 31.f3 Rf6 32.Rf6 Nf6 33.Qc3 Ne8 34.Qc5 Kf7 35.Rc6 Kg8 36.g4 Qf7 37.Kg2 h6 38.a4 Qd7 39.Kf2 Kf7 40.Ke2 Kg8 41.a5 Kf7 42.Kf2 Kg8= 43.Ke1 Qf7 44.Ke2 Kh7 45.Qd4 Qd7 46.Qb6 Kh8 47.Kf2 Kg8 48.Qc5 Qf7 49.Qb4 Qd7 50.Qb6 Qf7 51.Qd4 Qd7 52.Rc2 Qd6 53.Kg2 Nf6 54.Qb6 Qe7 55.Rc6 Ne8 56.Qb3 Qd7 57.Rc5 Nf6 58.e4 Qd6 59.Rc2 Kf7 60.Rd2 h5=+ 61.ed5 hg4 62.fg4 Ng4 63.Qg3 Qb4 64.Re2 Qb5=+ 65.Rd2 Qb4 66.Qf3 Nf6=+ 67.Rd3 Qb5 68.Qe2 Nd5 69.Qh5= Ke6 70.Qg4 Ke5 71.Qg7 Kd6-/+ 72.Rd2 Qc4 73.Qg3 Kc6 74.Kh2 Qb4 75.Rc2 Kb7 76.Qe5 Qf4 77.Qf4 Nf4 78.Kg3 Ne6 79.Rc4 ½–½. NZ cricketer – Schlapp12, ChessWorld.net, 2005.

9.d4 Qe7 10.Nbd2 e5 11.de5 Ne5 12.Ne5 Be5 13.Be5 Qe5 14.0-0 Bf5 15.Nf3 Qe7 16.Nd4 Bg6 (16...Qe5 17.a4=) 17.Bd3 (17.Rc1 h6=) 17...Rac8 (17...a5 18.Re1=) 18.Bg6 hg6 19.Qa4 (19.Re1 Rfe8=) 19...a6 (19...Rfe8 20.Ra2= (20.Qa7? Ra8 21.Qb6 Ra6 22.Nc6 Qd7-+)) 20.Qd1 Ne4 (20...Rfe8 21.Re1=) 21.Qg4 (21.f3 Ng5 22.Re1 Rfe8=) 21...Rfe8 22.Ra2 (22.Rfe1 Nd2=) 22...Nc3 (22...a5 23.Rc1=) 23.Rc2 (23.Rd2 a5=) 23...Nb5 24.a4 (24.Ra1 Qd8=) 24...Nd4=+ 25.Qd4 Qd7 (25...Qg5 26.Rd1=) 26.Rd2 Qf5 27.Qd3 (27.f3 Re5=) 27...Re4 28.Rb1 (28.Qb3 Rce8=) 28...Rce8 29.h3 Qg5 30.Rc2 (30.g3 Qe5=+) 30...f5 (30...Rh4 31.Kh2=+) 31.Ra2 (31.g3 Qf6=+) 31...f4 32.ef4 Qf4 33.g3 Qf6 (33...Qf5 34.Kg2=+) 34.b5 ab5 (34...Rd4 35.Qb3=+) 35.ab5= Rc4 (35...Rd4 36.Qf1=) 36.bc6 (36.Ra7 Rf8 37.Qd2 Rf7=) 36...bc6 37.Ra7 Rf8 38.Qe2 Re4 (38...Qd4 39.Qe3 Qe3 40.fe3=) 39.Qd2 Rf7 (39...Rd4 40.Qe2=) 40.Ra8 (40.Rb8 Kh7 41.Raa8 g5=) 40...Kh7 (40...Rf8 41.Ra7=) 41.Rbb8 g5 42.Rh8 Kg6 43.Qd1?? (better 43.Ra6=) 43...Qf2 44.Kh1 Re1 (44...Re1 45.Qe1 Qe1 46.Kg2 Rf2) 0-1. Pastar,S (2345) - Martinez Alcantara,Jose Eduardo (2620), Titled Tuesday, 2021.

9.d4 Re8 10.0-0 e5 11.de5 Ne5 12.Nbd2 Bg4 13.h3 (better 13.Be5!? Be5 14.Ne5 Be2 15.Nc6 (15.Qe2?! Re5 16.Rfd1 Qe7=) 15...Bd1 16.Nd8 Rad8 17.Rad1+–) 13...Bf3 14.Nf3 Nf3 15.Bf3 Be5 16.Be5 Re5 17.Qd4 Qe7 18.a4 a6 19.Rfc1 h6 20.b5 ab5 (20...Ne4 21.Rab1=) 21.ab5+= Re8 (21...Rc8!?+=) 22.Ra7+– Ne4? (better 22...Re6 23.bc6 Rc6 24.Bd5 Nd5 25.Qd5 Rc7+–) 23.bc6+– Qh4 24.Be4 Re4 25.Qd5 bc6 (25...Rd8 26.Qa2 Rb8 27.cb7 Qd8+–) 26.Qf7 (26.Qf7 Kh7 27.Qg7) 1–0. Lejel – 2Wps, internet, 2019.

8.Nc3 a6 9.Qc2 e5 10.Nd5 cd5 11.de5 dc4 (11...Ne5!? 12.Ne5 Qe7+=) 12.ed6+– b5 13.Be2 Bb7 14.0-0 Re8 15.Rfd1 (15.a4 Nb6 16.Ng5 Ne4 17.Ne4 Be4+–) 15...Nb6+– 16.Ng5 h6?? (better 16...Ne4 17.Ne4 Be4+–) 17.Bf6+– Qf6 (17...hg5 18.Bd8 Rad8+–) 18.Qh7 (18.Qh7 Kf8 19.Qh8) 1–0. Pierre – Patroles, internet, 2020.

8.Nbd2 a5 9.c5 Bc7 10.b5 =.

8.Nbd2 a5 9.c5 Bc7 10.Bd3 b6 11.Ne5 Bb7 12.cb6 Bb6 13.0-0 +=.

8.Nbd2 a5 9.c5 Bc7 10.Bd3 e5 11.Ne5 Ne5 12.de5 Ng4 13.Nf3 Qe7 14.0-0 h6 15.Qc2 Ne5 16.Ne5 Be5 17.Rab1 ab4 18.Be5 Qe5 19.ab4 f5 20.g3 Be6 21.Rfd1 Ra3 22.Qb2 Qb2 23.Rb2 Rc3 24.Be2 Ra8 25.Kg2 Raa3 26.h4 Kf7 27.Rd4 Kf6 28.g4 g6 29.Kg3 Ke5 30.Kg2 g5 31.hg5 hg5 32.gf5 Bf5 33.Rd1 Be4 34.Kh3 Ra8 35.Kg3 Rh8 36.Bf3 Bf5 37.Bg4 Bg4 38.Kg4 Rc4 39.Kg3 Rhh4 40.Rdb1 Kf5 41.Kf3 Rh3 42.Ke2 Ke4 43.Rg1= Kf5 44.Kd3 Rhh4 45.Rgb1 g4 46.Rg1 Rh2 47.Ke2 Re4 48.Kd3 Rh3 49.Rg3 Rh1 50.f3= gf3 51.Rf3 Kg4 52.Rf7 Re1 53.Rg7 Kf5 54.Rf2 Ke6 55.Rb7 R1e3=+ 56.Kd2 d4 57.b5 cb5 58.c6 Rc3 59.c7 Kd6?? 60.Rf6+– Kd7 61.Rf7 Ke8?? 62.Rh7 Kf8 63.c8Q! (63...Rc8 64.Rh8) 1–0. Santasiere,Anthony – Almgren,S, South Fallsburg, 1948.

8.Nbd2 a5 9.c5 Bc7 10.Bd3 h6 11.0-0 Re8 12.Qc2 e5 13.de5 Ne5 14.Ne5 Be5 15.Be5 Re5 16.Nf3 Re7 17.h3 Ne4 18.Nd4 White prepares b5 18...Re5 19.b5 0–1. Snide – Dodi, playchess.de, 2005.

8.Nbd2 b6 9.c5 (9.Bd3 a5 10.Ne5 Qc7 11.Nd7 Bd7 12.c5 Be7 13.0-0 Rfb8 14.Nf3 Bc8 15.Qe2 Ne4 16.Rfb1 ab4+=) 9...bc5 (9...Be7 10.Bd3= a5 11.Qe2 Nb8 12.0-0 Ba6 13.Ba6 Na6 14.Bc3 bc5 15.bc5 Nc7 16.Ne5 Qe8+=; 9...Bc7 A) 10.Rc1 Bb7 (10...bc5 11.bc5 a5 12.Qa4 Rb8 13.Bc3 Bb7 14.Rb1 Re8 15.Be2 e5 16.Ne5 Ne5=) 11.Bd3 bc5 12.bc5 Qc8 13.Qe2 a5 14.Ne5 Ne5 15.de5 Nd7 16.Qh5 g6=+; B) 10.Be2 bc5 (10...Rb8 11.0-0 bc5 12.dc5 a5 13.Bc3 e5 14.Qa4 Bb7 15.Qc2 Qe7 16.Rfd1 Rfd8=; 10...Qe7 11.0-0 bc5 12.bc5 e5 13.de5 Ne4 14.Bd4 Nec5 15.Qc2 Rb8 16.Rfc1 Bb6+/-; 10...a5 11.cb6 Nb6 12.ba5 Ra5 13.Bc3 Ra4 14.Nb3 Ba6 15.Bb4 Be2 16.Qe2 Re8=) 11.dc5 a5 12.Nd4 Bb7 13.0-0 Qe7 14.Qc2 e5 15.Nf5 Qe6 16.Bc3 Ba6=; C) 10.Rb1 Qe7 11.Bd3 e5 12.de5 Ne5 13.Be5 Be5 14.Ne5 Qe5 15.0-0 Bg4 16.Qc2 Qg5=; D) 10.Qc2 bc5 11.bc5 a5 12.Qa4 Bb7 13.Rb1 Rb8 14.Bc3 Re8 15.Be2 e5 16.Ne5 Ne5=) 10.bc5+= (10.dc5 Bb8 11.Qa4 Qc7 12.Nb3 Bb7 13.Na5 e5 14.Rc1 a6 15.Be5 Ne5 16.Ne5 Qe5+=) 10...Bc7 (10...Be7 11.Bd3 Qa5 12.Rb1 Ba6 13.Qe2 Bd3 14.Qd3 Rfb8 15.0-0 a6 16.Qc2 Qc7=) 11.Bd3 (11.Rb1 a5+= 12.Qa4 Bb7 13.Bc3 Ra7 14.Be2 Qe7 15.0-0 Ba6 16.Ba6 Ra6+=) 11...Re8 (11...Rb8 12.Qc2= Re8 13.0-0 e5 14.de5 Ne5 15.Be5 Be5 16.Ne5 Re5+=; 11...e5 12.Ne5 Be5 13.de5 Nc5 14.Be2 Nfe4 15.Ne4 de4 16.0-0 Qg5=) 12.0-0 (12.Qc2 e5 13.de5 Ne5 14.Be5 Be5 15.Ne5 Re5 16.0-0 Bg4+=) 12...e5 13.Ne5 Ne5 (13...Be5 14.de5 Ne5 15.Be5 Re5 16.Qa4 Qc7+=) 14.de5 Ng4 (14...Be5!? 15.Be5 Re5+= 16.Qc2 Bg4+=) 15.Nf3+/- h6 16.Qa4 Bd7 (16...Qd7+/-) 17.Rab1 Qe7 18.Qd4 (18.Ba1 Be5 19.Rb7 Ba1 20.Ra1 Nf2 21.Kf2 Qe3 22.Kg3 Qd3 23.Rd7 Re6+/-) 18...Qf8 (18...Ne5 19.Ne5 Be5 20.Qe5 Qe5 21.Be5 Re5 22.Rb7+/-) 19.Bc2 (19.e6 Be6 20.Qa4 Qc5+/-) 19...Ne5 20.Ne5 Be5 21.Qd3 g6 (21...Qc5? 22.Be5 Re5 23.Qh7 Kf8 24.Qh8 Ke7 25.Qa8 Qc2 26.Rb7+-) 22.Be5 Re5 23.Qd4 Qe8 24.Rb7 Bf5 (24...Bc8 25.Rb2+/-) 25.Bf5 Rf5 26.Rfb1 h5 27.h3 Re5 28.Qf4 Rf5 29.Qd6 Kg7 30.Rb8 Rb8 31.Rb8 (31.Qb8?! Qe4=) 31...Qe5 32.g4 hg4 33.hg4 Rg5 (33...Qd6 34.cd6 Rf6+-) 34.Qf8 Kh7 35.Qf7 (better 35.Rb7 Rg4 36.Kf1 Qa1 37.Ke2+-) 35...Kh6 36.Qf8 Qg7 37.Qf3 Qa1 38.Kg2 Qe5 39.Qh3 (better 39.Qf8 Qg7 40.Qc8 d4+-) 39...Rh5 40.gh5 Qb8 41.hg6 Kg6 42.Qg3 (42.Qe6!? Kh5+-) 42...Qg3 43.Kg3 (worse 43.fg3 Kg5 44.Kh3 Kf5 45.g4 Kg5+-) 43...Kg5 44.f3 Kf5 45.Kf2 (45.a4 Kg5+-) 45...Kg5 (45...a6 46.Ke2 a5 47.Kd3+-) 46.Ke2 Kh4 47.Kd3 Kg3 (47...Kg5 48.e4 de4 49.Ke4 Kf6+-) 48.e4 de4 49.Ke4 1-0. Hasangatin,Ramil (2520) - Ulko,Jaroslav (2470), 10th Chigorin Mem, St Petersburg RUS, 2002. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 Bd6 5.e3 0-0 6.c4 c6)

8.Nbd2 b6 9.Bd3 =.

8.Nbd2 Qe7 9.Be2 Ne4 10.0-0 f5 11.b5 Ndf6 12.a4 Bd7 13.Qb3 g5 (13...Ng4 14.Rad1=) 14.Ba3 g4 15.Bd6 Qd6 16.Ne4 Ne4 17.Ne5 Nd2 18.Qa3 Qa3 19.Ra3 Nf1 20.Nd7 Rfd8 21.Nc5 Nd2 22.Nb7 Rdb8 (better 22...Nc4!? 23.Bc4 dc4 24.Nd8 Rd8=) 23.bc6+/- Nc4 24.Bc4 dc4 25.Rc3 Rc8 26.Rc4 Rab8 (26...Rc7 27.h3 Rac8 28.Na5+/-) 27.Rc5 Kf8 28.h3 h5 (28...gh3!? 29.gh3 Ke7+/-) 29.hg4 hg4 30.Kh2 (30.Nd6!? Rc7 31.Nb5 Rh7+-) 30...Ke7+/- 31.Kg3 Rc7 32.Kf4 Rh8 33.f3 Rh4 34.g3 Rh1 35.fg4 fg4 (35...Rf1 36.Ke5 Rf3+-) 36.Kg4 Re1 37.Kf4 Rf1 38.Ke4 Rg1 39.Kf3 Rf1 40.Ke2 Rg1 41.Kf2 Ra1 42.a5 Kf6 (42...Rb1 43.g4+-) 43.g4 Ra2 44.Kf3 Ra1 (44...Ke7 45.e4+-) 45.g5 (45.Nd6 Kg6+-) 45...Kg6 (45...Ke7 46.e4 Rf1 47.Ke2+-) 46.Kf4 (46.Ke4 Rf1+-) 46...Rf1 (46...Kf7 47.Nd6 Ke7 48.Nb5+-) 47.Ke5 Rf5 (47...Rff7 48.Nd8 Rh7 49.Ne6+-) 48.Ke6 Rc5 49.Nc5 Rc6 (49...Kg5 50.Kd6 Rc8+-) 50.Kd5 (better 50.Kd7 Rc5 51.dc5 Kg5 52.Ke6+-) 50...Rc7 51.e4 Kg5 (51...Rc8 52.Ne6+-) 52.e5 (better 52.Ne6 Kg6 53.Nc7+-) 52...Kg6 (52...Rc8 53.Kd6 Rg8 54.e6+-) 53.e6 Kf6 (53...Rc8+-) 54.Kd6 Rc8 55.d5 (better 55.Kd7 Rh8 56.e7+-) 55...Rb8 (55...Rh8+-) 56.Nd7 Kg7 57.e7 (better 57.Nb8 Kf6+-) 57...Rb3 (57...Re8 58.Ke6 Rh8+-) 58.Ne5 Rb8 59.Ke6 Rc8 60.d6 Rb8 (60...Kh8 61.d7 Rc6 62.Nc6 Kg7 63.e8Q a6 64.Ne5 Kh7 65.Qf7 Kh6 66.Qg6) 61.d7 Kh7 (61...Rb3 62.e8Q Rb6 63.ab6 ab6 64.Qf7 Kh6 65.Qg6) 62.e8Q Re8 (62...Rb6 63.ab6 ab6 64.Qf7 Kh6 65.Qg6) 63.de8Q a6 64.Qg6 Kh8 65.Nf7 1-0. jhonores (2135) - dubier2062002 (2215), Rated Bullet game, lichess.org, 2020.

9.Bd3 a5 10.c5 Bc7 11.0-0 +=.

9.Bd3 e5 10.de5 Ne5 11.Ne5 Be5 12.Be5 Re5 13.Nf3 (13.0-0 dc4 14.Nc4 Rd5=+) 13...Re8 (13...Bg4 14.0-0=) 14.h3 (14.0-0 dc4 15.Bc4 Be6 16.Be6 Re6=) 14...h6 (14...d4 15.Qd2=+) 15.0-0= Be6 (15...dc4 16.Bc4 Be6 17.Be6 Re6 18.Nd4=) 16.Qc2 (16.c5 Qe7=) 16...Qc8 (16...dc4 17.Bc4 Bc4 18.Qc4=) 17.Kh2 (17.c5 Qc7+=) 17...Qc7 18.Kh1 Rad8 (18...dc4 19.Bc4 Bc4 20.Qc4=) 19.Rfd1 (19.c5 Qe7=) 19...Qc8 (19...dc4 20.Bc4 Bc4 21.Qc4=) 20.Kh2 (20.c5 Qc7+=) 20...Qc7 21.Kh1 (21.Kg1 dc4 22.Bc4 Bc4 23.Qc4 Qe7=) 21...Rc8 22.Rac1 Qe7 23.Nd4 dc4 24.Bc4 Bd5 25.Bd5 Nd5 26.Nf5 Qe5 27.Rd4 Re6? 28.Rg4 Rg6+= 29.Rg6 fg6 30.Nh4 g5 31.Nf5 Rf8 32.Nd4 Kh8 33.Nf3 Qf6 34.Rf1 Re8 35.Rc1 a6 36.Nd4 g6 37.Nf3 h5 38.Qc4 Kg7 39.Kg1 Kh6 40.h4 gh4= 41.Qh4 g5 42.Qd4 Qd4 43.Nd4 Kg6 44.g3 Re4 45.Kg2 Nf6 46.Nb3 Re7 47.Rc4 Nd5 48.Rc5 Nf6 49.Rc4= Ne4 50.a4 Kf6 51.f3 Nd6 52.Rc3 g4 53.Nd2 ½–½. Semenko,Georg – Polig,Dieter, 6sen.BayEM Schney, 1994.

9.Ne5 a5 10.c5 Bc7 11.Bd3 +=.

9.Ne5 Nf8 10.Bd3 dc4 11.Ndc4 Bc7 12.0-0 Ng6 13.f4 Nd5 14.Rf3 b5 (better is 14...Bd7!?+/–) 15.Nc6+– bc4? (15...Qd7 16.N4e5 Ne5 17.Ne5 Be5 18.fe5 Ba6+–) 16.Nd8 cd3 17.Nc6 Ba6 18.a4 Bc4 (18...Bb7 19.b5+–) 19.Rc1 Ba6 20.b5 Bb7 21.Qd3 Bf4 (21...a6+–) 22.ef4 Ndf4 (22...Rac8 23.Rc5 Bc6 24.bc6+–) 23.Qf1 Bc6 24.bc6 1–0. b4_player – hello, casual, 2013.

9.Ne5 Nf8 10.f4 dc4 11.Bc4 Nd5 12.Qf3 Be5 (12...f6 13.Nd3=) 13.de5 b5 14.Bb3 Ng6 15.Rd1 (better is 15.g3+=) 15...Nh4-/+ 16.Qh3 (better is 16.Qg3!? Ne3! 17.Rc1-/+) 16...Ne3!–+ 17.Kf2 (17.Qe3 Ng2 Double attack (17...Ng2 Decoy)) 17...Nd1 (17...Neg2?! 18.Nf3 Qe7 19.Rhg1 Nf4 20.Qh4 Qh4 21.Nh4 Nh3 22.Kg2 Ng1 23.Kg1+=; 17...Nhg2?! 18.Qg3 Qd3 19.Rhe1 Ne1 20.Qe3 Qe3 21.Ke3 Ng2 22.Kf3 Nh4 23.Ke2–+) 18.Rd1 Nf5 19.g3?? (better is 19.Ne4 Qb6 20.Ke2-/+) 19...Qb6 20.Ke1 Qe3 21.Kf1 Rd8 22.Bc1 (22.Qg2 Qb6 23.Qf2 Ne3 24.Ke1 Nd1 25.Qb6 ab6 26.Bd1–+) 22...Nd4 23.Qg2 (23.Qg4 Qd3 24.Ke1 g6–+) 23...Nb3 24.Qc6 (24.Qe2 Qd4 25.Nb3 Qd1 26.Qd1 Rd1 27.Ke2 Rh1–+) 24...Qd3 25.Kf2 Nc1 (better is 25...Rb8 26.Qf3 Qf3 27.Kf3 Nc1 28.Rc1 Rd2–+) 26.Qa8 (26.Qc1 Bb7 27.Qc5–+) 26...Qe2 27.Kg1 Qd1 28.Nf1 Ne2 (28...Qd4!? 29.Kg2 Qb6 30.Kh3–+) 29.Kf2 Nc3 30.Qc6 Qd4 31.Ke1 Ne4 (31...Ne4 32.Qc2 Bb7–+) 0–1. Jimenez Martinez,Javier (1940) – Romero Gamez,FJ (1680), Barcelona ESP, 2013.

8.Nc3 Bg4 9.Be2 Nbd7 10.d4 Qc7 11.0-0 (11.Rc1 a6=) 11...Rac8 (11...Bf3!? 12.Bf3 Bh2 13.Kh1 Bd6-/+) 12.h3= Bh5 13.Rc1 Qb8 14.Nd2 Rfe8?? (better is 14...Be2 15.Qe2 a6=) 15.Bh5+– Ne4 (15...Nh5 16.Qh5 Nf6 17.Qf3+–) 16.Nce4 de4 17.Be2 f5 18.Nc4 Bc7 19.Ne5! Ne5 20.de5 Be5 21.Be5 Qe5 22.Qc2 f4 23.ef4 Qf4 24.Rfd1 Rf8 25.Rf1 Rf5?? 26.Bc4 Kh8 27.Qe2 Rf6 28.Rcd1 Rcf8 29.Qe3 Qf5 30.Rde1 Rg6 31.Kh1 Qh5 32.Qe4 Qg5 33.Re3 h5 34.Rg3 Qf4 35.Qg6 Qg3 36.Qg7 Qg7–+ 0–1. Fournier,Frederic – Guest, Partie amicale, 1m + 0s, 2008.

8.Be2 Qe7 9.0-0= Nbd7 10.Bd3 Ne4 11.Nc3 Ndf6 12.Qc2 Re8 13.Be2 Bd7 14.d3 Nc3 15.Bc3 Bg4 16.Rac1 Rac8 17.Nd4 Qe5 18.g3 Qh5=+ 19.f3 Bh3-/+ 20.Rf2 Re3 21.Qd2 Ree8 22.g4=+ Qh6 23.Qh6= gh6 24.Nf5 Bf4 25.Rc2 Nd7 26.Bd4 b6 27.Ng7 c5 28.Ne8= Re8 29.bc5 bc5 30.Ba1 Be3-/+ 31.Rb2 Ne5 32.Rb7 Ng6–+ 33.Bf6 Nf4 34.Bf1 Bf2 35.Kf2 Bf1 36.Kf1 Nd3 37.Ra7 Rc8 38.Rd7 d4 39.a4 Nb4 40.Ke2= Kf8 41.Kd1 Ke8 42.Re7 Kf8 43.Rd7 Ke8 (43...d3 44.Kd2=) ½–½. PeterRs – touchdown, ChessWorld.net, 2006.

8.Be2 Re8 9.0-0 Bf5 10.Nc3 Nbd7 11.d4 Nf8 12.Bd3 Bd3 13.Qd3 Ng6 14.Rfe1 Ne4 15.Qc2 Qf6 16.Re2 Nh4 17.Nh4 Qh4 18.g3 Qg5 19.Ne4 Re4 20.Rae1 Rae8 21.Bc1 Qf6 22.Kg2 h5 23.f3 R4e7 24.e4 h4?? 25.e5+/– Be5 26.de5+– Qe6 27.Bb2 hg3 28.hg3 d4 29.Bd4 Qd5 30.Bc5 (30.Bc5 Rd7 31.Re4+–) 1–0. Fournier,Frederic (1690) – sgg05 (1750), Active (3/0), 2005.

8.Be2 Bg4 9.0-0 Nbd7 10.h3 Re8?? (better is 10...Bh5+=) 11.hg4+– Ng4 12.Nc3 Nde5 13.Ne5 Ne5 14.f4 Qh4 15.Qe1 Qh6? (15...Qe1 16.Rae1 Nc4 17.Bc4 dc4 18.e4+–) 16.Qg3 d4? 17.Ne4 Bc7 18.Bd4 Ng6 19.Ng5 Rad8 20.Bf3 Rd4+= 21.ed4 Bf4 22.Qh3 Qg5= 23.Rae1 Rd8 24.Re4 Bd2 25.Rd1?? Nf4?? 26.Qg4+= Nd5 27.Qg5 Bg5 28.Rde1 Kf8 29.Re5 Bf6–+ 30.R5e2 Bd4 31.Kh1 g6 32.Bd5 Rd5 33.Re8 Kg7 34.R8e7?? Rh5 0–1. Fournier,Frederic (1735) – Tinram (1730), Active, 2007.

8.g3 Bf5 9.d3 Re8 10.Bg2 Nbd7 11.0-0 Qc7 12.Nc3 Re7 13.Rc1 a6 (13...Qb6 14.e4 Bg4 15.ed5 cd5 16.Qb3=) 14.Nd4 Bg6 (14...Bg4!? 15.Nd5 cd5 16.Rc7 Bd1 17.Rd7 Rd7 (worse is 17...Nd7 18.Rd1 Nf6 19.Nf5+=) 18.Rd1 a5=) 15.Nd5+/– Nd5 16.Bd5 Qb6? (better is 16...Ne5!? 17.Be4 Be4 18.de4 Ree8+/–) 17.Nc6!+– bc6 18.Rc6 (18.Bc6?! Rc8 19.Qa4 Bf5=) 18...Qb5? (18...Qb8 19.Rd6! Qd6 20.Ba8 Bd3+–) 19.Rd6 Rc8 (19...Qb8 20.Rc6+–) 20.Bc4 Qb8 21.Ra6 Bf5 (21...Nb6 22.Bb5+–) 22.Ra5 (22.Qh5!? Bg6 23.Qh4 Ree8+–) 22...Bh3 23.Re1 Qb7 (23...Be6 24.Qh5+–) 24.e4 Qb6 (24...Rc4 25.dc4 Re4 26.Rd5+–) 25.Qh5 Be6 26.Qg5 f6 27.Be6 (better is 27.Bf6 h6 28.Qf4 Nf6+–) 27...Qe6 (27...Re6 28.Qd5 Ne5 29.Rc1+–) 28.Qd5 1–0. Jambrich,Jaromir (1680) – Sosovicka,Matej (1645), Bratislava Doprastav op, 2006. (=1.Nf3 d5 2.b4 e6 3.a3 Nf6 4.Bb2 Bd6 5.e3 0-0 6.c4 c6)

8.0-0 b6 9.d3 Qc7 10.Nbd2 Ng4 11.h3 Nge5 12.Ne5 Ne5 13.Rc1 White intends c5 13...Qe7 14.c5 bc5 15.bc5 Bc7 16.d4 Rb8 (16...Ng6 17.Qa4 Qd7 18.Rc3=) 17.Bc3 (worse 17.de5 Rb2 18.f4 Ra2=+) 17...Ng6 18.Qa4 Qd7 19.Rb1 e5 20.Nb3 (20.Qa7? Rb1 21.Nb1 ed4–+) 20...f5 21.Na5 (21.Qa7? ed4 22.Qa4 dc3–+) 21...Rb1 22.Rb1 Ba5 23.Qa5 e4 (23...f4 24.Bg4 Qf7 25.Bc8 Rc8 26.Qa6+=) 24.Ba6 (24.Rb8 Qe7 25.Qa4 Qf6=) 24...f4+= 25.Bc8 Rc8 26.Qa6 f3 (26...Qf5 27.Ba5+=) 27.Rb7 Qe6 28.Qa7 Re8?? (better 28...Qf6+=) 29.Rg7+– Kf8 30.Rh7 Re7 (30...Qf6+–) 31.Qb8 Re8 32.Qc7 (32.Qd6 Kg8 33.Rc7 Qd6 34.cd6 Rd8+–) 32...Re7 (32...Ne7 33.Qd6 Qg6 34.Rh8 Kf7 35.Qg6 Ng6 36.Re8 Ke8 37.gf3+–) 33.Re7 (33.Qd8 Re8 34.Qd6 Kg8+–) 33...Ne7 34.Qf4 Qf5 35.Qb8 (35.Qf5!? Nf5 36.a4 Ke8+–) 35...Kf7 36.Qg3 Ng6 (36...fg2 37.a4+–) 37.gf3 ef3 38.Qc7 (38.Ba5 Ne7+–) 38...Ne7 39.Qf4 Ke8 (39...Qf4 40.ef4 Ke6 41.a4+–) 40.Qf5 Nf5 41.Kh2 Kd7 42.h4! Ke7 (42...Nh4 43.Kg3 Decoy) 43.Kh3 Kf6 (43...Ke6 44.Bd2+–) 44.Kg4 (better 44.a4!? Ng7+–) 44...Ne3 45.Kf3 (45.fe3?? f2 46.Ba5 f1Q 47.Bd8 Ke6–+) 45...Nf5 46.Kg4 1–0. Souza,Kim Garcia De (1730) – Miranda,Catarina Oliveira, Paranaense De Xadrez Feminino – Pirai d, 2017.

8.0-0 e5 9.cd5 cd5 10.Qb3 Qe7 11.Nc3 e4 12.Nd4 Qe5 13.f4 ef3 14.Nf3 Qh5 15.h3 Nb6 16.Nb5 Bg3 17.Nbd4 (better 17.Bf6!? gf6 18.Rac1+/-) 17...Bh3= 18.gh3 Qh3 19.Rf2?? (better 19.Qc2=) 19...Bf2-+ 20.Kf2 Ng4 21.Ke1 Qg3 (better 21...Qh1!? 22.Bf1 f5-+) 22.Kd1=+ Rac8 23.Bc3 Nf2 24.Kc2 Ne4 25.Rg1 Qf2 26.Rf1 Qg2 27.Rg1 Qh3 28.Ng5 (28.Bd3!? Kh8 29.Kb1=) 28...Qh2 29.Ne4 Qg1 30.Nc5 Qf2 31.Bd3 h5 (31...g6 32.Nb7 Nc4 33.Ne2=+) 32.Qb1 (32.Nf5 Rfe8 33.Bg7 Nc4=) 32...h4 (32...g6!?-/+) 33.Qh1 Qg3?? (better 33...f5=+) 34.Nf5+- Qg4 35.Nh4?? (35.Bg7 Rc6 36.Bf8 Kf8+-) 35...Rc7?? (35...f5 36.Nf3+/-) 36.Nf3 (better 36.Nf5 f6 37.Ne6+-) 36...Nc8?? (better 36...f5+/-) 37.Bh7 (37.Qh7) 37...Kh8 38.Bg6 Kg8 (38...Qh3 39.Qh3 Kg8 40.Qh7) 39.Qh7 1-0. carlos78 (2205) - Freiheit (2125), Rated Blitz game, lichess.org, 2015.

8.d3 b6 (8...c5 9.Nc3=) 9.0-0= Bb7 10.Nc3 (10.Nbd2 a5=) 10...Rc8 (10...a5 11.cd5 ed5 12.Qb3=+) 11.Rc1 (11.d4 c5=) 11...Bb8 (11...a6 12.g3=) 12.a4 White prepares b5 (12.d4 Ne4+=) 12...Qc7 (12...dc4!? 13.dc4 Qe7=+) 13.g3 (better 13.cd5 ed5 14.Nb5=) 13...Rfd8? (13...dc4 14.dc4 c5=) 14.Qd2?? (better 14.cd5!? Qd6 15.de6 Qe6 16.Nd4+–) 14...a6 (14...dc4 15.dc4 c5-/+) 15.Rc2?? (15.cd5!? ed5 16.Rfe1+=) 15...c5 (15...dc4 16.d4-/+) 16.b5 (16.bc5 dc4 17.cb6 Qb6 18.d4=+ (worse 18.dc4 Ne5 19.Nd4 Nc4-/+)) 16...dc4-/+ 17.d4 (17.dc4? Ne5 18.Ne5 A) 18...Qe5 19.Nd5 Qg5 20.Ne7 Kf8 21.f4 Rd2 22.Rd2 (22.fg5?? Rc2 23.Nc8 Re2–+) 22...Qg3 23.hg3 Ke7 24.Bf6 Kf6 25.Rd7+–; B) 18...Rd2 19.Rd2 Qe5 20.ba6 Ba6–+) 17...Bf3 (17...a5 18.Qc1-/+) 18.Bf3=+ Ne5 19.Bg2 (19.de5 Rd2 Pinning (19...Rd2 Deflection; 19...Rd2 Clearance)) 19...cd4 (19...Qa7 20.Ne4 Ne4 21.Be4=+) 20.ed4=+ a5 21.Ne4 Ne4 (21...Qe7!? 22.Ba1 Ne4 23.Be4 Qd7=) 22.Be4= f5 23.Bg2 (23.Qe2 fe4 24.de5 Rd5+=) 23...Nd3 24.Ba1 (24.Bc6!? Qd6 25.Rc4=+) 24...Nb4-/+ 25.Rcc1 (25.Rc3 e5 26.d5–+) 25...Qd7 (better 25...e5!?–+) 26.Qe2=+ Nd3 27.Rc2 Re8 (27...Rc7!?=+) 28.Bc6= Rc6 29.bc6 Qc6?? (29...Qd5 30.Rb1 Bc7= (30...Qc6?? 31.Qd3 Rc8 32.Qc3 Qa4 33.Rb6+–)) 30.Qd3!!+– Qa4 (30...cd3 31.Rc3 Double attack (31.Rc6 Pinning; 31.Rc6 Deflection; 31.Rc3 Decoy)) 31.Qc4 Qa3 (31...Qc4 32.Rc4 Kf7 33.Rb1+–) 32.Qc6 Qe7 (32...Kf7 33.Qb6 Qd3 34.Rc5+–) 33.Qb6 a4 (33...Qd8 34.Qb5+–) 34.Re1 Kf7 (34...f4 35.Qa6 Qd7 36.Ra2+–) 35.Rc6 Qd7 36.Rec1 Kf8 (36...Qd5 37.Qb4 Rd8 38.Qa4+–) 37.Qb4 Kg8 38.Qa4 h6 (38...h5 39.Qa6 Rf8 40.Rb1+–) 39.Ra6 (39.Qa6!? Rf8+–) 39...Qa4 40.Ra4 Kf7 41.Ra8 g5 (41...g6 42.Bc3+–) 42.Rb1 Bd6 (42...Bc7 43.Ra7 Re7 44.Bc3+–) 43.Re8 (43.Rb7!? Re7 44.Rb6 Rd7+–) 43...Ke8 44.Rb6 Kd7 45.Bc3 Bc7 46.Ra6 Bd6 (46...h5 47.Bd2 g4 48.Kf1+–) 47.Ra7 Kc6 48.Rh7 Bf8 (48...Kd5 49.Rh6 Ba3 50.f3+–) 49.Kf1 Kd5 50.f3 (50.Ke2 Kc4 51.Rc7 Kd5+–) 50...Kc4 51.Rc7 Kd3 (51...Kd5 52.Ke2+–) 52.Kf2 Ba3 (52...f4 53.g4+–) 53.Rc6 Bc1 (53...f4 54.gf4 gf4 55.Ba1+–) 54.Kg2 (54.Ba1 Be3 55.Kg2 Bd4 56.Bd4 Kd4 57.Re6 h5+–) 54...Ba3 (54...Be3 55.Re6 Kc3 56.Re3 Kd4 57.Re6+–) 55.Ba1 h5 Black intends g4 (55...Bf8 56.Re6 Kc4 57.Rc6 Kd5 58.Rf6+–) 56.Re6 (better 56.Rc3 Kd4 57.Ra3 Kc4+–) 56...g4 (56...Kc4 57.Rc6 Kd5 58.Rf6+–) 57.f4 (57.d5 Bb4 58.d6 gf3 59.Kf3 Bd6 60.Rd6 Kc4 61.Rh6+–) 57...Bc5 58.Re5 (58.dc5 Kc4 59.c6 h4 60.c7 h3 61.Kf1 Kd5 62.Re1 Kc4 63.c8Q Kb3 64.Rb1 Ka2 65.Qf5 Ka3 66.Qa5) 58...Bd4 59.Rd5 1–0. Dos Anjos,Diovana Ferreira Do – Feller,GLV, Festival Nacional da Juventude – FENAJ, 2015.

8.d4 dc4 9.Bc4 a5 10.b5 cb5 (10...Nb6 11.Bd3=+) 11.Bb5= b6 (11...Nb6 12.Nc3=) 12.0-0 Bb7 13.Nbd2 Qe7 (13...Ne4 14.Nc4+=) 14.Nc4 Rac8 15.Rc1 (15.Nfe5 Rfd8 16.Qe2 Bb8+–) 15...Bb8 (15...Ne4 16.Qa4 Rfd8 17.Bd7 Qd7 18.Qd7 Rd7 19.Nb6 Rc1 20.Rc1+= (worse 20.Bc1 Rc7-/+)) 16.a4+– Rc7? (better 16...Bd6+–) 17.Ba3+– Qd8 18.Bf8 Qf8 (18...Nf8 19.Nce5+–) 19.Nfe5 Qe7 20.Qe2 h6 (20...Ne5 21.Ne5 Rc1 22.Rc1+–) 21.Rfd1 Nf8 (21...Bd5 22.f3+–) 22.Nb6 Rc1 (22...Ng6 23.Ng6 Qd6 24.Ne5 Qb6 25.Nc4+–) 23.Rc1 Ne4 (23...Ng6 24.Ng6 Qd6 25.Ne5 Qb6 26.Qc2+–) 24.f3 Nd6 25.Nbd7 Nb5 26.Qb5 (26.ab5?! Nd7 27.Nc6 Bc6 28.bc6 Nb6=) 26...Be5 (26...Qa3 27.Re1 (27.Nb8 Qe3 28.Kf1 Qc1 29.Ke2 Bd5=+) 27...Qc3 28.Kf1 (28.Nb8? Qe1 29.Qf1 Qe3 30.Kh1 Qd4–+) 28...Be5 29.Ne5+– (29.de5?! Bc6 30.Qc5 Qd3 31.Kf2 Bd7=)) 27.Ne5 (27.Qe5?! Nd7 28.Rc7 Bd5= (28...Ne5? 29.Re7 Nf3 30.gf3+–); 27.Qb7?! Qa3 28.Qc8 Qe3 29.Kh1 Bd6 30.Nf8 Bf8+–) 27...Bd5 (27...f6 28.Nc4+–) 28.e4 (better 28.Rc8 Kh7 29.e4 Qa3 30.ed5 Qa1 31.Qf1 Qd4 32.Kh1 Qe5 33.Rf8 Qd5 34.Rf7 Qd4+–) 28...Qa3 29.Re1 (29.Nd3 Bb3 30.Qa5 Ba4+–) 29...Bb3 30.Qa5 Ba4 31.Qc5 Qb2 32.h3 (better 32.Rc1 Nd7 33.Qc3 Qc3 34.Rc3 Ne5 35.de5 Kh7+–) 32...Qd2 (32...Nd7 33.Nd7 Bd7 34.d5+–) 33.Rf1 (33.Rb1!? Bb3 34.Kh2 Qa2+–) 33...Bd1 (33...f6 34.Nc4 Qd3+–) 34.Rf2 (better 34.Kh2 f6 35.Nc4 Qf4 36.g3+–) 34...Qe1= 35.Rf1 Qd2 36.Kh2 (better 36.Qd6+–) 36...Qf4 (36...f6 37.Nc4 Qf4 38.g3 Qc1+–) 37.Kh1 Qd2 (37...Ba4 38.Rb1 Ng6+–) 38.Qc1 (38.Qe7 f6 39.Qf7 Kh7+–) 38...Qd4 (better 38...Qc1 39.Nc4 Ng6–+) 39.Nf7 (better 39.Nc6 Qf6 40.e5+–) 39…Kf7 1–0. Baranov,Grigory (2315) – Mislaurov,Magomed (1660), Republic of Adygea Blitz, 2019.

8.d4 Qe7 9.Nc3 dc4 10.Bc4 e5 11.h3 (11.0-0 e4 12.Nd2 Nb6=) 11...e4 12.Nd2 Nb6 13.Bf1 Nbd5 14.Nc4 (14.Qc2 Nc3 15.Bc3 Nd5+=) 14...Nc3 15.Bc3 Bc7 16.Qc2 Nd5 17.Bb2 f5 18.g3 (18.Ne5 Be6+=) 18...Be6-/+ 19.Bg2 Rae8 (19...Rad8 20.g4-/+) 20.Rc1 Nb6 (20...Qg5!?-/+) 21.Nb6= Bb6 22.0-0 Bd5 23.Rfe1 a6 24.Bf1 Qe6 25.a4 Qg6 26.Bc4 (26.Kh2 Bc7+=) 26...f4 27.ef4 Rf4 28.Re3 Rf7 29.Rce1 Kh8 (29...Bc7 30.a5-/+) 30.b5 ab5 31.ab5 ½–½. Agrest,Roman (2070) – Gustavsson,Sture (2040), Schack–SM, 2008.

7.ba5 Ra5 8.0-0 =+.

7.ba5 Bd7 8.0-0 Ra5 9.c4 Ba4 10.Qe1 Nbd7 11.d4 Ra8 12.Nc3 Bb3 13.Nd2 Bc2 14.cd5 ed5 15.Qc1 Bg6 16.Nb5 Nb6 17.Nd6 Qd6 18.Bc3 Rfe8 19.Bb4 Qd8 20.Nf3 c6 21.Ne5 Bf5 22.Qb2 Na4 23.Qb3 Nd7 24.Nd7 Qd7 25.Rfc1 b6 26.Bf3 Ra7 27.Ra2 h6 28.Rd2 b5 29.Ra2 Ra6 30.Bc5 Nc5 31.Rc5 Be6 32.Bd1 Rb8 33.Bc2 Rba8 34.h3 Qd6 35.Qb4 Qd8 36.Qc3 Qg5 37.Kh2 Qd8 38.Qb4 Qh4 39.Kg1 Qg5 40.Kf1 Qh4 41.Qc3 Bd7 42.Qd3 f5 43.Bb3 Qe4 44.Qc3 Qb1 45.Ke2 Qg1 46.Kf3 Qh2 47.Bc2 Rf8 48.Qd2 Be8 49.Ke2 Qg2 50.Kd3 Qh3 51.a4 ba4 52.Ba4 Qf3 53.Kc3 Rf7 54.Bb3 Ra2 55.Qa2 Qh1 56.Qa8 Qe1 57.Kd3 Qf1 58.Kc3 Rf8 59.f4 0–1. Fong – COMP, US op 1983.

7.ba5 Nbd7 8.Nd4 Ra5 9.0-0 Nb6 10.Nb5 Na4 11.Bf6 Qf6 12.d4 e5 =+.

7.ba5 Be5 8.Ne5 Nbd7 9.Nd7 Bd7 10.d4 c5 11.a6 ba6 12.dc5 Qa5 =+.

7.b5 c6 8.0-0 Nbd7 9.c4 dc4 10.bc6 Nb6 11.cb7 Bb7 12.Nc3 Qb8 13.Nb5 Bf3 14.Bf3= Bh2 15.Kh1 Be5 16.Be5 Qe5 17.Ba8 Ra8 18.Nd4 Rc8 19.Rb1 Nbd5 20.Qf3 c3 21.dc3+/– Ne4 22.Nc6 +/–. Preuss,Guenter – Erlandsson,Harry, corr 3GMM½–08, 1998.

7.b5 c6 8.a4 Nbd7 9.d4 Ne4 10.0-0 Nb6 11.Nbd2 Nd2 12.Nd2 Nd7 13.c4 dc4 14.Nc4 Bc7 15.Bf3 cb5 16.ab5 Rb8 17.g3 b6 (17...Re8 18.Qa4+=) 18.e4 (better is 18.Ba3!?+–) 18...Bb7 19.Bg2 Nf6 20.Re1 Qd7 21.Qb3 Rfc8 22.Rad1 Ne8 23.d5 ed5 24.ed5 Nd6 Exerts pressure on the isolated pawn 25.Na3 Re8 26.Qc3 Re1 27.Re1 f6 28.Qd3 Re8 29.Rd1 Bc8 30.Bc1 Qe7 31.h3 Qe2 32.Qb3 Bd7 The pressure on the isolated pawn grows 33.Bf3 Qe7 34.Kg2 Kf8 35.Bf4 Bf5 36.Bd6 Bd6 37.Nc4 Qd8 38.Nd6 Qd6 39.Rc1 Rc8 40.Rc6 Rc6 41.dc6 Qd4 42.Qd5 Qd5 43.Bd5 Bc8 44.g4 Ke7 45.Be4 h6 46.f4 Kd6 47.Kf2 Kc5 48.Bd3?? a4–+ 49.c7 Kd6 50.Bc4 Kc7 51.Ke3 Kd6 52.Kd4 a3 ½–½. Wiszniowski,Eugeniusz (1780) – Wrabel,Antoni (1905), XIV Int Polish ch Poland, 2008.

7.b5 Nbd7 8.0-0 e5 9.d3 c6 10.c4 dc4 11.dc4 Qc7 12.Nfd2 e4 =+.

7.b5 Be5 8.Ne5 Qd6 9.d4 Nbd7 10.f4 c5 11.bc6 bc6 12.c4 c5 =.

7.c3 e5 8.d3 b5 9.0-0 Bg4 10.c4 Bf3 11.Bf3 bc4 12.dc4 e4 =.

7.Nc3 ab4 8.Bd6 Qd6 9.Nb5 Qe7 10.ab4 Ra1 11.Qa1 c6 12.Na7 Qb4 -/+.

7.0-0 a5 8.b5 e5 9.d3 c6 10.c4 dc4 11.dc4 Qc7 12.Nfd2 cb5 =+.

7.0-0 Nb6 8.d3 a5 9.c4 ab4=+ 10.Qc2 dc4 11.dc4 b3 12.Qb3= Nbd7 13.Nbd2 Nc5 14.Qc2 Bd7 15.Bd4 Bc6 16.Ne5 Be5 17.Be5 Nfd7 18.Bc3 Re8 19.Bb4 Qf6=+ 20.Rfe1 b6 21.Rab1 Rad8 22.Rbc1 Qh6 23.Bc3 e5 24.Qf5 Re6 25.Bf3 Rf6 26.Qb1 Qh4 27.Red1 Re8 28.e4 Rg6 29.Nf1 Ne4 30.Ng3 Nc3 31.Rc3-/+ e4 32.Re3 Nc5 33.Be2 ½–½. PeterRs – smoothmovermovesagain, ChessWorld.net, 2006.

7.0-0= c5 8.bc5 Nc5 9.c4 (9.Ne5 Nce4=) 9...dc4 10.Bc4 b6 11.Nc3 Bb7 12.d4 Nce4 13.Nb5 Bb8 (13...Bd5 14.Bd3=) 14.Rc1 a6 15.Nc3 Bd6 16.Ne4 Ne4 17.a4 (17.Qe2 b5 18.Bd3 Bd5=) 17...Qf6 (17...Re8 18.Qe2=) 18.Qb3 Qh6 19.Qb6+= Rab8 20.Ba1 Bd5 21.Qa6= Ra8 22.Qb6 Rfb8 23.Bd5+= ed5 24.Qc6 Nd2 25.Rfd1 Nf3=+ 26.gf3 Qh2 27.Kf1 Qh3 28.Ke2= Qe6 29.Rh1 Rc8 30.Qb5 Rcb8 31.Qd3 g6 32.Qc2=+ Rb4 33.a5 Rc4 34.Qb3 Rc1-/+ 35.Rc1 Ra5 36.Bc3 Ra8 (36...Ra3 37.Qc2=+) ½–½. Woschkat,Karl_Heinz – Grabinsky,Yoni, IECC, 1996.

7.0-0 c6 8.d3 Re8 9.Nbd2 e5 10.c4 Nf8 11.Re1 Ng6 12.Qc2 Be6 13.Nf1 Qe7 14.Ng3 Nd7 15.Nd2 Rf8 16.Nb3 f5 17.Na5 Rab8 18.b5 cb5 19.cd5 Bd5 20.e4 Be6 21.ef5 Bf5 22.Bf3 Be6 23.d4 (23.Nb7? Rf3 24.Nd6 Rg3 (24...Qd6?! 25.gf3 Rf8 26.Ne4=) 25.fg3 Qd6–+) 23...Rbc8 24.Qd2 Rf3 25.gf3 Nh4 26.Qd3 Rf8 27.Re3 Bc7 28.Nb3 Qf7 29.Nd2 Nb6 30.Qe4 (30.Qb5 Nc4 31.Nc4 Bc4-/+) 30...Ng6 (better is 30...Nf5!? 31.Ree1 Na4-/+) 31.de5= Nd5 32.Rb3 a6 33.Bd4 Ngf4 34.Rc1 Ba5 35.Ndf1 (better is 35.Rb2+=) 35...Nh3 36.Kg2?? (better is 36.Kh1 Ndf4 37.Rbc3–+) 36…Ndf4 (36...Ndf4 37.Kh1 Bb3–+) 0–1. Mamuzic,Mirko (2265) – Nagy,Attila (2195), Subotica City–ch, 2008.

7.0-0 e5 8.d3 e4 (8...Qe7 9.Nbd2=) 9.de4 de4 10.Nd4 Be5 11.Qc1 c5 12.Nb3 Qe7 13.Be5 Qe5 14.N1d2 Qg5 15.Rd1 Re8 16.Nc4 Nf8 (16...cb4!? 17.Nd6 Re7+=) 17.Nc5 (17.Nd6 Re7 18.Nc5 b6+/–) 17...Bh3 18.Bf1 Ng6 19.Kh1 (19.Nb7 Bg2 20.Bg2 Nh4–+) 19...Ng4? (better is 19...b6 20.Nb7 Be6+=) 20.Rd2+– Nh4 21.gh3 Nh2 22.f4 Qg3 23.Qe1 Nf1 24.Qf1 b6 25.Nd7 b5 26.Nce5 f6 27.Ng4 h5? 28.Ngf6! gf6 29.Nf6 Kf7 30.Ne8 Re8 31.Rad1 Qe3? 32.Rd5 Qf3 33.Qf3 ef3 34.Re5 Rc8? 35.Rd7 Kf6 36.Rd6 Kf7 37.Rd2 Rc4 38.Rh5 Rf4 39.Kg1 Nf5 40.Kf2 Ng3 41.Kg3 (41.Kg3 Rc4 42.Rb5+–) 1–0. Gimeno Higueras,Roberto (2015) – Fenollar Jorda,Manuel (2240), Cullera op–A, 2004.

7.0-0 Nh5 8.c4 f6?? (Better is 8...dc4 9.Bc4 Nb6=) 9.c5+– Be5 10.Ne5 Ne5 11.Be5 fe5 12.Bh5 Qf6 13.Be2 e4 14.Nc3 b6 15.c6 a5 16.b5 d4 (16...Qg5 17.d3 Qf6 18.Qc2 ed3 19.Bd3+–) 17.Ne4 Qe5 18.Qc2 a4 19.Bd3 de3 20.de3 Qd5 21.Rfd1 e5 (21...Qh5+–) 22.Bc4 Qc4 23.Qc4 Kh8 24.Ng5 Bf5 25.Nf7 Rf7 26.Qf7 Be4 27.Rd7 Rg8 28.Rad1 h6 29.Rd8 Rd8 30.Rd8 Kh7 31.Rd7 Bg2 (31...Bc6 32.Qg7) 32.Qg7 1–0. willsexy – AndyP, ChessWorld.net, 2003.

7.Nc3 a5 8.Nb5 Be7 9.ba5 c6 10.Nbd4 Qa5 11.0-0 Re8 12.a4 e5 =+.

7.c4 c5 8.bc5 Nc5 9.Ne5 Bd7 10.0-0 Ba4 11.Qe1 Qc7 12.f4 Bc2 13.Nc3 a6 14.Rc1 Bg6 (14...Be5? 15.fe5 (15.Rc2?! Bc3 16.Bc3 Ncd7+=) 15...Nd3 16.Bd3 Bd3 17.ef6 Bf1 18.fg7+–) 15.Nd1 Qe7 16.d4 Nce4 17.c5 Be5 18.fe5 (worse is 18.de5 Nd7+=) 18...Ne8 19.h4 f5 20.h5 Bf7 21.Rf4 Qg5 22.Qh4 h6 23.Kh2 Nc7 24.Ba1 Nb5 25.a4 Na7 26.Rb1 Rab8 27.Kh3 Nc6 28.g4 Ne7 29.Nc3 (better is 29.Qg5!? hg5 30.Re4 de4 31.Nc3+=) 29...Qh4-/+ 30.Kh4 g5 31.hg6 Ng6 32.Kh3 Nf4 33.ef4 fg4 34.Kg4 Bg6 35.Ne4 Be4 36.Rb6 Kg7 37.Bc3 h5 38.Kh5? (38.Kg3!?=) 38...Rf4 39.Bg4 (39.c6 Rh8 40.Kg5 Rf5 41.Kg4–+) 39...Bf3 40.Bf3 Rf3 41.Be1 Kf7 42.Kg4 Rf1 43.Bh4? (43.Bg3–+) 43...Rg8 44.Bg5 Rg1 45.Kf4 R8g5 46.Rb7 Kg6 (46...Kg6 47.Ke3 R1g3 48.Kd2 Rh3–+) 0–1. Urgelles Paumier,A – Espinosa Estrada,C, 3689 J.R. Capablanca IM /2000 G–2, 2002.

7.d3 a5 8.b5 a4 9.0-0 e5 10.Nbd2 c6 11.c4 cb5 12.cd5 Nd5 13.Ne4 Be7 14.d4 f5 15.de5 Ne3 16.fe3 fe4 17.Qd5 Kh8 18.Qe4 Nc5 19.Qc2 Bf5 20.Qd1 Qb6 21.Nd4 Be4 22.Qd2 Rfd8 23.Qb4 Qh6 24.Rf2 Qe3 25.Raf1 Rac8 26.g3? Rf8 27.Qe1 Nd3 28.Bd3 Qd3 29.e6 b4 30.ab4 Rf2 31.Qf2 a3 32.Ba1 Bg6 33.Ne2 Qe4 34.Bd4 b5 35.Nf4 Bb4 36.Rd1 Be8 37.Nd5 Bh5 38.Bg7 Kg7 39.Qf6 Kg8 40.Qg5 Qg6 41.Qh5 Qh5 42.Nf6 Kh8 43.Nh5 Bc5 44.Kg2 b4?? 45.Nf6 Be7 46.Nd5 Rd8 0–1. jasa – Pedronou, ChessWorld.net, 2002.

7.d3 a5 8.b5 e5 9.0-0 c6 10.c4 dc4 11.dc4 Qc7 12.Nfd2 Rd8 =+.

7.d3 a5 8.b5 Qe7 9.Nbd2 e5 10.Ra2 Re8 11.Qa1 Nb6 12.c4 d4 13.e4 (13.ed4!? ed4 14.Nd4=) 13...Nfd7 14.Nb3 a4 15.Nbd2 Nc5 16.Qd1 Nbd7 17.Nf1 Nf8 18.Ng3 Ng6 19.Bc1 Nb3 20.Nd2 Nf4 21.0-0 h6 (better is 21...Nc1 22.Qc1 h5 23.Bh5 Nd3+=) 22.Nb3= ab3 23.Qb3 Qg5 24.Qc2 h5 (better is 24...Be6!?+=) 25.Bh5!+/– g6 (25...Nh5 26.Bg5 Pinning (26.Bg5 Deflection)) 26.Bf3 Kg7 27.Bf4 ef4 28.Ne2 Be5 29.g3 Bg4? (better is 29...Rh8+/–) 30.Bg4+– (30.gf4?! Bf4 31.Bg4 Qg4 32.Ng3 Rh8=) 30...Qg4 31.f3 Qg5 32.g4 (32.Qd2!? Ra4+–) 32...Rh8 33.Nc1 Qh4 34.Qf2 Qh3 35.Qg2 Qh4 36.Nb3 1–0. Pozanco Romasanta,Marc – Ligero Martinez,Jesus, ESP–ch U10 Linares, 2007. (=1.Nf3 d5 2.e3 e6 3.a3 Bd6 4.b4 Nf6 5.Bb2 0-0 6.Be2 Nbd7)

7.d3 Nb6 8.0-0 Na4 9.Qc1 Nb2 10.Qb2 Re8 11.Nbd2 a6 12.c4 c6 13.c5 Bb8 14.Rad1 e5 15.e4 Qc7 16.ed5 cd5 17.Rfe1? (better is 17.d4 e4 18.Ne5=) 17...e4–+ 18.de4 de4 (18...Ne4 19.Bc4 dc4 20.Ne4+/–) 19.Ne4 Ne4 20.Bd3 Nf6 21.Bh7?? (better is 21.Re8 Ne8 22.Qd4-/+) 21...Kh7 (21...Nh7?? 22.Re8 Nf8 23.Rdd8 Qd8 24.Rd8+–) 22.Re8 Ne8 23.Qc2 Kg8 24.Rd4 Nf6 0–1. Fournier,Frederic – yoni_y, rated blitz game (5/0), 2002.

7.0-0 a5 8.b5 =+.

7.0-0 b6 8.c4 c5 9.b5 (9.bc5 bc5 10.Nc3 Nc6=) 9...Nbd7 10.Nc3 Bb7 11.Qc2 Qc7 12.h3 Rad8 (12...dc4 13.Bc4 Red8 14.Be2=) 13.d3 dc4 14.dc4 Nf8 15.Rad1 Ng6 16.e4 e5 (16...Rd7 17.Bc1=) 17.Rfe1 Bc8 18.Bd3 (18.Bc1 a5+=) 18...Qd7 (18...Nf4 19.Bc1 Nd3 20.Rd3=) 19.Ne2 (19.Bc1 Qe6+=) 19...Nh5 (19...Qe6 20.Qa4=) 20.Ng3 (20.Rd2 Ngf4 21.Nf4 Nf4=) 20...Nhf4 (20...Ng3 21.fg3 Re7 22.Re2=) 21.Bc3 (21.Nf5 Bb8 22.Bf1 Qb7=) 21...Qe6 22.Bb2 (22.Nf5 Qf6=) 22...f6 (22...Re7 23.Nf5 Red7 24.Rd2=) 23.a4 Bc7 24.Re3 (24.Bf1 a6=) 24...Bb7 (24...Re7 25.Nf5 Red7 26.Rd2+=) 25.Qc3 (25.Ba3 a5+=) 25...Rd7+= 26.Bc1 Red8 27.Qc2 h5 28.h4 (28.Ne1 a6+=) 28...Kf7 (28...a6 29.Qb3-/+) 29.Kh2 (29.Rd2!?=) 29...Qg4-/+ 30.Rd2 (30.Kg1 Nh4 (worse is 30...Nd3 31.Red3 Rd3 32.Rd3+=) 31.Nh4 A) 31...Rd3? 32.Red3 Nd3 33.Rd3 Qh4 34.Rd8 Bd8 35.Nf5 Be4 36.Nd6 (36.Nh4?? Bc2 37.Nf3 Ba4–+) 36...Ke6 37.Ne4+–; B) 31...Qh4-/+) 30...Nh4 31.Nh4 Qh4 32.Kg1 Qg5 33.Kf1?? (better is 33.Bf1–+) 33...h4 (33...Nd3?! 34.Red3 Rd3 35.Rd3+=; 33...Rd3 34.Rdd3 Rd3 35.Rd3 Be4 36.Rd7 Ke6 37.Qe4 Kd7 38.Qc6 Kc8 39.Qa8 Bb8 40.Qc6 Kd8 41.Qa8=) 34.Nf5 (34.Rd1–+) 34...Qg2 35.Ke1 Rd3 36.Rdd3 Qg1 (36...Be4 37.Nh4 Qg1 38.Kd2 Bd3 39.Rd3 Rd3 40.Qd3 Nd3 41.Kd3 Qc1 42.Ng2 Qd1 43.Ke3 e4 44.f4 Qf3 45.Kd2 Qg2 46.Kc1 e3 47.f5 Qd2 48.Kb1 Be5 49.a5 Qb2) 37.Kd2 Qf2 38.Kc3 Rd3 (better is 38...Qc2 39.Kc2 Nd3 40.Nh4 Nc1 41.Kc1–+) 39.Rd3 Qc2 40.Kc2 Be4 (40...Be4 41.Bf4 Bf5–+) 0–1. Angulo Castillo,Francisco – Torres Cueto,Jesus M (2035), Semifinal, 2016.

7.0-0 e5 8.Nc3 c6 9.Ng5 (9.Re1 Qc7 10.h3 Bf5=+) 9...h6 10.Nf3 Nbd7 11.Rb1 (11.Re1 Qc7=+) 11...Nf8 (11...Qc7 12.Nh4=+) 12.Qc1 (12.d3 b5=+) 12...Ng6 (12...b5 13.d4 e4 14.Ne5=+) 13.d3 (13.Qd1 b5=+) 13...Bc7 (13...b5 14.Na2=+) 14.Qd2 Qd6 15.Rbd1 (15.b5 Bg4 16.bc6 bc6=+) 15...Bg4 16.g3 (16.h3 e4 17.Nd5 Nd5 (17...Qd5?! 18.de4 Qd2 19.Rd2 Bf3 20.gf3-/+; < 17...cd5 18.hg4 ef3 19.g3 fe2 20.Qe2–+; 17...ef3?! 18.Nc7 fe2 19.Ne8 Re8 20.hg4 Ng4 21.f4 ed1R 22.Rd1–+) 18.de4 Bf3–+) 16...Rad8 17.Ra1 Qe6 e4 18.Rab1 Qf5 19.Ne1 Qh5 (19...Bh3 20.Ng2-/+) 20.Bg4 Ng4 21.h4 e4 22.Rd1 N4e5 23.Qe2 Nf3 24.Nf3 ef3 25.Qd2 Nh4! 26.b5 Nf5 27.Nd5?? Qh3 28.Nf4 Bf4 29.bc6 Qg2# 0–1. crafty – Dzindzichashvili,Roman, ICC, 1995.

7.Nc3 c6 8.0-0 e5 9.h3 Bf5 10.d3 Qc7 11.Qd2 b5 12.a4 Bb4 =+.

7.Be5 Nc6 8.d4 Be5 9.de5 Ng4 =.

7.Be5 Nc6 8.d4 Ne5? 9.de5 (< 9.Ne5 a5=+) 9...Bf8 10.ef6 +–.

7.Be5 Be5 8.Ne5 Nbd7 9.d4 Ne5 10.de5 Nd7 11.f4 f6 12.ef6 Qf6 =.

7.Ne5 a5 8.ba5 Nfd7 9.d4 Qf6 10.f4 Qh4 11.g3 Qe7 12.Nc3 c6 =.

6.b5 (--> 4.a3 a5 5.b5 Bd6 6.e3).

6.Nc3 c6 7.Bd3 e5 8.e4 0-0 9.0-0 ab4 10.ab4 Ra1 11.Qa1 Bg4 (worse is 11...Bb4 12.ed5 cd5 13.Na2=) 12.Rb1 Qe7 13.b5 Nbd7 14.bc6 bc6 15.ed5 e4 (15...Bf3!? 16.gf3 cd5-/+) 16.Re1+= Bf3 (worse is 16...cd5 17.Nd5 Nd5 18.Be4 Bf3 19.Bh7 Kh7 20.Re7 Be7 21.gf3+=) 17.gf3 Qe5 18.Kf1 Qh2 19.Ne4 Ne4 20.Be4? f5–+ 21.Bg7 Be5 22.Be5+= Ne5 23.f4 Ng6 24.Bf3 Nh4 25.Bh5? Ng2= 26.Bf7 Kf7 27.Re7 Ke7 ½–½. Trokenheim,Marek (1830) – Bichik,Aleksandr (1610), OP–2012–0-02097, 2012.

6.c4 dc4 7.Bc4 b5 8.Bb3 Bb7 9.d4 0-0 10.Nbd2 Nbd7 11.Qe2 Ne4 12.0-0 Nd2 13.Nd2 (worse is 13.Qd2 Bf3 14.gf3 Qh4-/+) 13...Qh4 14.f4 Nf6 15.g3 Qh3 16.e4 Ne8 17.Rfe1 Kh8 18.Nf3 h6 19.Nh4 Be7 20.Nf3 Nf6 (20...Bd6 21.Rac1+=) 21.Nd2 (21.Qc2 Rac8+=) 21...Kg8 22.Rac1 Ne8 23.Rc3 h5 (23...Rd8 24.Rc2+=) 24.Re3 Qg4 25.Qg4 hg4 26.Bd1 Nf6 27.Rc3 Bd8 (27...Rfc8 28.Bc2+=) 28.Rc1 a5 29.ba5 Ra5 30.Nb3 Ra8 31.Nc5 Bc8 32.Nd3 Bb7 33.e5 Nd5 34.Bg4 Be7 35.Nc5 Bc8 36.Bf3 c6 37.Be4 g6 38.Kf2 Bc5 39.Rc5 Bd7 40.Rd1 Kg7 41.Rd3 Rfd8 42.Kg1 Rab8 43.Rb3 Ne7 44.Kg2 Nd5 45.Kf3 Ra8 46.h4 Rh8 47.Rc1 Ra7 48.Rh1 Rh7 49.Bc3 Ra4 50.Bd5 ed5 51.Bb4 Bf5 52.Rc1 Bd7 53.Rb2 Rh5 54.Rh2 Ra6 55.g4 Rh6 56.Rf1 Ra8 57.Kg3 Rc8 58.Rhf2 Rh7 59.f5 gf5 60.gf5 Kh8 61.Rf4 Rg7 62.Rg4 Rcg8 63.Rg7 Rg7 64.Kf4 Rg2 65.Rf3 Rh2 (65...Kg7 66.h5+–) 66.Kg5 (66.e6 Be8+–) 66...Kg8 (66...Kg7 67.Bc5+–) 67.Rf4 (67.Rg3 Kg7+–) 67...Kg7 68.h5 (68.Bc5!? Rg2 69.Kh5 Rg1+–) 68...Rg2+/– 69.Rg4 (69.Rg4 Rf2 70.h6 Kh7 71.Kf6 Bf5 72.Rh4 Bg4 73.Ke7+/–) 1–0. Struck,Bernd Dieter (1975) – Bendisch,Juergen (1760), Bad Wildungen Seniors op 3rd, 2006. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 Bd6 5.e3 a6)

6.c4 Nc6!? =.

6.c4 e5 7.Ne5 (7.Be5 dc4 8.Bc4 Nc6 9.Bd6 Qd6+/–) 7...0-0 8.f4 (8...Be6 9.Qf3+/–; 8.c5 Be5 9.Be5 Bg4+/–) 1–0. Morphystyle – AmericanRusky, ChessWorld.net, 2005.

6.g4 h6 7.Rg1 c5 8.bc5 Bc5 9.h4 Nc6 10.g5 hg5 11.hg5 Ne4 12.d3 (12.Bd3 Bf8=) 12...Qa5 (12...Qb6 13.Bg7 Nf2 14.Kf2 Be3 15.Kg2=) 13.c3 Nf2 14.Kf2 Qb6 (better is 14...Be3!? 15.Ke3 Qb6 16.Ke2 Qb2 17.Nbd2 Qc3=) 15.Bc1+/– e5 16.d4 ed4 17.cd4 Bd6 18.Nc3 Be6 19.Bd2 Qc7 20.Qb3 Ne7? (better is 20...Na5 21.Qa4 Bd7+–) 21.Rc1 Qb8 22.Na4 b5 23.Nc5 Nf5 24.Bd3 Ng3 25.Na6! Ne4 (25...Ra6 26.Qb5 Double attack (26.Qb5 Decoy)) 26.Be4 Ra6 27.Bd3 (better is 27.Bd5!? Ra3 28.Bc6 Kd8 29.Qb5 Qb5 30.Bb5 Ra2+–) 27...Ra3 28.Qb5 Ke7 29.Qb8 Rb8 (29...Bb8?? 30.Bb4 Bd6 31.Rc7 Bd7 32.Ba3 Ba3 33.Bf5+–) 30.Ke2 Rb2 31.Rb1 Raa2 32.Rb2 Rb2 33.Rb1 Rb1 34.Bb1 g6 35.Ne5 Ba3 (35...Be5 36.de5 Bg4 37.Kf2 Ke6+–) 36.Bb4! Bb4 37.Nc6 Kf8 38.Nb4 Kg7 39.Ba2 f6 40.Bd5 Bg4 41.Bf3 Be6 (41...Bd7 42.gf6 Kf6 43.e4+–) 42.gf6 Kf6 43.e4 g5 44.e5 Kf5 45.Ke3 g4 (45...Bb3 46.Be4 Ke6 47.Na6+–) 46.Be4 Kg5 47.d5 (47.d5 Bd7 48.Nc6+–) 1–0. Dovzik,J (2295) – Krajnik,R (1725), Ladislava Kotana Mem, 2015.

6.c4 dc4 7.Bc4 Bb7 8.d4 Nbd7 9.Nbd2 0-0 10.0-0 Ne4 11.Ne4 Be4 12.Bd3 Bb7 13.Rc1 a5 14.b5 Nf6 15.Re1 Re8 16.e4 Be7 17.Qc2 Rc8 18.Ne5 Qd6 19.f3 h6? (19...Qd8 20.f4+/–) 20.Nc4?? (better is 20.Nf7!? Qf4 21.Ne5+–) 20...Qf4 21.Qd2 (21.Ne5 Qg5+/–) 21...Qd2+= 22.Nd2 c5 23.bc6 Bc6 24.Nc4 Bb5 25.Ne5 Bd3= 26.Nd3 Rc1 27.Rc1+= Bd8 28.Ne5 Nh5 29.g3 f6 30.Nc6 Bc7 31.Na7 e5?? 32.Rc7+– ed4 33.Bd4 g5 34.Bb6 a4 35.Bc5 Ng7 36.Bb4 Ne6 37.Rc4 Ra8 38.Nb5 Rb8 39.Nc7 Nd8 40.Nd5 Kg7 41.Rc7 Kg6 42.Kg2 Ne6 43.Rc6 (43.Rc6 Kf7 44.f4 gf4 45.gf4 Rg8 46.Kf2+–) 1–0. Fournier,Frederic (1790) – jayd, Active, 2011. (=1.Nf3 e6 2.a3 d5 3.b4 Bd6 4.Bb2 Nf6 5.e3 b6)

6.c4 c6 7.Be2 0-0 8.d4 (8.cd5 ed5 9.0-0 Re8=) 8...Nbd7 (8...dc4 9.Bc4 a5 10.ba5 Ra5 11.Qc2=) 9.Nc3 (9.c5 Be7=) 9...c5 (9...dc4 10.e4 e5 11.Bc4=) 10.dc5 (10.bc5 bc5 11.cd5 Rb8 12.de6 Rb2 13.ed7 Bd7 (< 13...Qd7 14.dc5 Bc5 15.Na4 Re2 16.Ke2+/–) 14.dc5 Qa5=) 10...bc5= 11.b5 (11.cd5 cb4 12.ab4 Bb4 13.de6 fe6=) 11...Bb7 12.0-0 Bb8 (12...Qe7 13.Qc2=) 13.Qc2 (13.cd5 ed5 14.Rc1 Qc7=) 13...Qc7 14.Rad1 (better is 14.cd5 ed5 15.Rfd1=) 14...Ng4?? (14...Ne5 15.Ne5 Qe5+=) 15.g3 (better is 15.cd5!? Bd5 16.Nd5 ed5 17.Rd5+–) 15...dc4 16.Ng5 Ngf6 17.Bc4 Ne5 18.Be2 h6 19.Nge4 Neg4 20.h3 Ne5 21.Nf6+– gf6 22.Ne4 Kg7 23.f4 Nd7 24.Rd7! Qd7 25.Nf6 (Demolishes the pawn shield) 25...Qd4 26.Nh5 Kh8 27.ed4 cd4 28.Bd4 e5 29.Nf6 Kg7 30.Qh7 Kf6 31.Qh6 Ke7 32.Bc5 Kd7 33.Qf8 Bd5 34.Bg4 Be6 35.Qf7 Kd8 36.Be6 ef4 37.Qe7 1–0. NN – ChessMaster3000, 1992.

6.c4 c6 7.Be2 dc4 8.Bc4 b5 9.Bd3 =+.

6.c4 c6 7.Be5 dc4 8.Bc4 b5 =.

6.d4 Qd7 7.c4 dc4 8.Bc4 Ba6 9.Ba6 Na6 10.e4 Ne4 11.Qd2 Nd2 0–1. aspasio – DiscoNate, ICC, 1999.

6.Be2 0-0 =.

6.Be2 Bb7 7.d4 0-0 8.0-0 Nbd7 9.Nbd2 c5 10.bc5 bc5 11.dc5 Nc5 12.c4 Rc8 13.cd5 Bd5 14.Rc1 Rb8 15.Bd4 Qa5?? (15...Nfe4=) 16.Bc5?? (better is 16.Bf6 gf6 17.e4+–) 16...Bc5+= 17.Bc4 (17.a4 Rb2+=) 17...Qa3 18.Bd5 Nd5 19.Nc4 Qb4 20.Nce5 Ne3! 21.fe3 Be3 22.Kh1 Bc1 23.Qc1 Rbc8 24.Qa1 Rc7 (24...f6 25.Nd7 Rf7 26.Rd1–+) 25.Rb1 Qc5 26.Nd3 Qc3 27.Qc3 Rc3 28.h3?? (28.Nf4–+) 28…Rd3 0–1. Fournier,Frederic – Nicholae247, Live Chess Chess.com, 2012.

7.Qc2 dc4 8.e4 e5 9.Bc4 (worse is 9.Be5 Be5 10.Ne5 Qd4-/+) 9...c5 (9...Bb7!? 10.Nc3 c5=) 10.bc5+= (worse is 10.Be5 Be5 11.Ne5 Qd4+=) 10...bc5 11.Ne5 Be5 12.Be5 Nc6 13.Bf6 Qf6 14.Nc3 Qg5 15.Bd5 Ne5?? (15...Nd4!? 16.Qd3 Qg2+=) 16.Ba8?? (better is 16.f4 Qf4 17.Ba8+/–) 16...Ba6+= 17.f4 Qf4 18.Ne2 Qf6 19.Qc3 Ra8 20.Kd1 Rd8 (20...Qf2 21.Ng3 Nd3 22.Kc2+=) 21.Re1 Bb5 22.a4 Bd3 23.h3 c4 24.Ra2 h6 25.Nc1 Bf1 26.Qg3 h5 27.Ra3 Qd6 28.Ra2 Bd3 29.Qe3 h4 30.Rh1 Qb4 31.Ke1 c3 32.Kf2 c2 33.a5 Nc4 34.Nd3 Ne3 35.Nb4 Nd1 36.Ke2 c1Q 37.Rd1 Qc4 38.d3 Qb4 39.Rad2 Qa5 40.Kf1 Rb8 0–1. Hoch,Hubertus – Zielinski,Michael (2025), corr WS/M/045 ICCF, 2006.

7.Nc3 Bb7 8.Nb5 (8.d4 a5 9.c5 Be7=) 8...Nbd7 (8...Be7 9.Be5 Ne8 10.cd5 Bd5 11.Nc3=) 9.Nd6 cd6 10.cd5 (10.d3 Rc8=) 10...Bd5 (10...e5 11.Bc4=) 11.Ba6 Nb8 (11...Rb8 12.Rc1=) 12.Be2 e5 13.0-0 Nc6 (13...a5 14.d3=) 14.Rc1 (14.d3 Ne7+=) 14...Nd7 (14...a5 15.b5 Na7 16.a4=) 15.Qc2 Rc8 16.Qd3 (White is in command) 16...Nf6 17.Ng5 h6 18.Nh7 Nh7 19.Qd5 Nf6 20.Qf3 Qd7 21.Ba6+/– Rc7 22.Rc3 Nb8 23.Bb5+/– Qe7 24.Rc7 Qc7 25.Rc1 Qe7 26.Qf5 a6 27.Bd3 b5+= 28.f4 Re8 29.Rc8 Nbd7 30.Rc7 Qd8 31.Rc6 Nb8 32.Rc1 Nbd7 33.g3 Qb6 34.Bb1 Qb7 35.Qd3 Nb6 36.fe5 de5= 37.Rf1 Nc4=+ 38.Rf6 gf6-/+ 39.Qh7 Kf8 40.Bc3 Qf3–+ 41.Bd3 Nd2 42.Qh6 Ke7 43.Bd2 Qd1 44.Kf2 Qd2 45.Be2 Rc8 46.Qh5 Rc1 47.Kg2 Qe3 48.Qf3 Qf3 49.Bf3 Rc3 (50.Bb7 Ra3–+; 49...Ra1 50.Bb7 Ra3 51.Kf2–+) 0–1. Katalymov,Boris N – Zaitsev,Alexander N, Spartak–ch Minsk, 1962.

7.Nc3 c6 8.d4 =.

7.d4 a5 8.c5 Be7 =.

7.d4 Ba6 8.Nbd2 =.

7.d4 c5 8.dc5 bc5 9.bc5 Bc5 10.cd5 Nd5 11.Bd3 f5 12.Nc3 Nc3 13.Bc3 Nd7 (13...Qe7 14.Nd4=) 14.0-0 (14.Qb3 Qe7+=) 14...Bb7 (14...Nb6 15.Bb4 Bb4 16.ab4=) 15.Bc4+= Qe7 16.Nd4 Rf6 (16...Bd5 17.Bd5 ed5 18.Qf3+=) 17.Qb3 Nf8 18.f3 (18.Bb4 Bb4 19.ab4 Kh8+=) 18...Rc8 19.Bb4 (19.Rab1 Rf7+=) 19...Kh8= 20.Bc5 Rc5 21.Rab1 (21.Bd3 Bd5 22.Qb4 a5=) 21...Bc8 (21...e5 22.Qb7 Qb7 23.Rb7 ed4 24.Bb3 de3 25.Ra7=) 22.f4 e5 23.fe5 Re5 24.Rbe1 a5 (24...Nd7 25.Qb4 g6 26.Rf4=) 25.Re2 Bb7 26.a4 Ng6 27.Rb2 Ba8 28.Qc2 (Now all is on f5) 28...Qa7 29.Qc3 f4 30.ef4 Re4 31.Rd1 Nf4 32.Kh1 Re8 33.Bb5 Ref8 34.Rf2 Bg2 35.Rg2 Ng2 36.Kg2 Qf7 37.Be2 Qg6 38.Kh1 Qe4 39.Bf3 Rf3 40.Nf3 Rf3 41.Kg1 Qg4 (42.Kh1 Rf8–+ (42...Rc3?? 43.Rd8); 41...Rc3?? 42.Rd8 Qe8 43.Re8) 0–1. Vetter,Udo – Schulz,Hans_Juergen, T9e–18.11 ETC, 2004.

7.Be2 Bb7 8.0-0= dc4 9.Bc4 Nbd7 10.d4 Qe7 (10...a5 11.b5=) 11.Nbd2 (11.Nc3 Rfc8=) 11...a5 (11...c5 12.dc5 bc5 13.b5=) 12.b5 c5 13.bc6 Bc6 14.Ne5 Bb7 15.f4 (15.Bd3 Rac8=) 15...Nd5 (15...Rac8 16.Bd3=) 16.Qe2 f6 17.Nd7 Qd7 18.Bd3 (18.Ne4 Rac8 19.Nd6 Qd6=) 18...Rac8 19.Rac1 Rfd8 20.Qh5 f5 21.Qe2 (21.Nc4 Rc4 22.Bc4 Ne3=) 21...Qe7 (21...Be7 22.Nc4=) 22.Ra1 g5 23.fg5 Qg5 24.Nc4 Bc7 25.Rf3 Nf6 26.Rh3 Qg4 27.Qf1 Ne4 28.Be2 Qg7 29.Rd1= Bd5 30.Ne5 Bb3 31.Rc1 Be5 32.de5 Rc1 33.Qc1 Rd2 34.Qd2 Nd2-/+ 35.Rg3 Qg3 36.hg3 Nc4 37.Bc4 Bc4 38.Bc3 Bd5-/+ 39.Kf2 h5 40.Bd4 b5 41.Bc3 a4 42.g4 hg4 43.g3 Kf7 44.Ke2 Be4 45.Kd2 ½–½. Zimmermann,Joerg – Schulz,Hans_Juergen, TT–09 ETC, 2003.

7.Be2 dc4 8.Bc4 c6 9.0-0 =.

7.Nc3 0-0 8.Qc2 Nbd7 (8...a5 9.b5=) 9.Nb5 (9.cd5 Nd5 10.Nd5 Bd5=) 9...a6 (9...dc4 10.Bc4 a6 11.Nd6 cd6 12.Be2=+) 10.Nd6= cd6 11.Qb3 (11.d3 Rc8=+) 11...Rc8 (11...e5 12.d3=+) 12.Be2 (12.d3 dc4 13.dc4 Qc7=) 12...Rc7 (12...dc4 13.Bc4 Bf3 14.gf3=+) 13.0-0 (13.d3 dc4 14.dc4 Qe7=) 13...dc4=+ 14.Bc4 d5 (14...Bf3!? 15.gf3 Qa8=+) 15.Be2= Qe7 16.Rac1 Rfc8 17.Rc7 Rc7 18.Rc1 Rc1 19.Bc1 Ng4 (19...Qd6 20.d4=) 20.Bb2 Qd6 21.h3 Nge5 22.Ne5+/– Ne5 23.Qa4 b5 24.Qc2 g6 25.Qc3 f6 26.f4 Nd7 27.Qd4 e5 28.fe5 Qe5 29.Bg4 Qd4= 30.Bd4 f5 31.Bd1 Kf7 32.Kf2 Nf6 33.d3 Ke6 34.Kf3 g5 35.Kg3 h5 36.h4+/– (White fights for the Initiative) 36...g4 37.Kf4 Nh7 38.Bc2 Nf6? 39.Kg5+– Nh7 40.Kh5 Bc6 41.Kg6 Nf8 42.Kg7 Nd7 43.h5 Ne5 44.h6 Nf7 45.h7 Be8 46.Bb3 Bc6 47.e4 fe4 48.de4 (48...a5 49.ba5+–) 1–0. Reimer,Karl – Hauck,Bjoern, PF–op Bellheim, 1994.

7.Nc3 0-0 8.d4 Ba6=.

7.Nc3 0-0 8.cd5 Nd5 9.Nd5 Bd5 10.Be2 (10.Qc2 Qe8+=) 10...Nd7 11.d3 Nf6?? (better 11...c5=+) 12.e4+- Bb7 13.e5 Bf3 (13...Be7 14.ef6 Bf6 15.Qd2+-) 14.Bf3 Bb4 (14...Nd5 15.ed6 Qd6 16.0-0+-) 15.ab4 Nd5 16.Qd2 f6 (16...c6 17.0-0+-) 17.ef6 (17.ef6 gf6 18.0-0+-) 1-0. Darkseid (1720) - SHAN67 (1655), ChessWorld.net, 2009. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 Bd6 5.e3 b6)

7.Nc3 a5 8.ba5 Ra5 9.cd5 ed5 (9...Bd5 10.Nd5 ed5 11.Be2=) 10.Nb5 Be7 (10...0-0 11.Nd6 Qd6 12.Be5=) 11.Be5 c6 12.Nc7 (12.Bc7 Qd7 13.Bb8 cb5+=) 12...Kf8=+ 13.Nd4 Kg8 14.Nf5 Nbd7 15.Bg3 Bf8 16.Qc2? (16.a4 g6 17.Nd6 Bd6 18.Bd6 Ne4-/+) 16...Rc5?? (better 16...Nh5 17.Nd5 Ng3 18.hg3 Rd5–+) 17.Qb2 (17.Qd1 Ne4 18.Bf4 g6=+) 17...g6 18.Nd4 Nh5 19.Na6 (19.Nce6 fe6 20.Ne6 Qe7 21.Nc5 Ng3 22.hg3 Qc5=+) 19...Ng3 20.hg3 Ba6 (20...Ra5 21.Nb4 Bg7 22.Qc1-/+) 21.Ba6=+ Bg7 22.Be2 Ra5 23.Qc1 Bd4 24.ed4 Qf6 25.Qc3 Kg7 26.Rc1 Re8 27.Kf1 c5 (27...Rea8 28.Qc6 Qc6 29.Rc6 Ra3 30.Kg1–+) 28.dc5 Qc3 (28...Rc5?! 29.Qf6 Kf6 30.Rb1=+) 29.Rc3 (29.dc3 Nc5 (29...Ra3?! 30.Bb5 Re7 31.Bd7 Rd7 32.cb6=) 30.Bf3 Ra3–+) 29...bc5 (29...Nc5 30.g4-/+) 30.Rh4 (30.g4 Nf6 31.Rhh3 Ne4-/+) 30...Rea8 (30...Rb8 31.f4-/+) 31.Bf3 Ra3 (31...Nf6 32.Rf4-/+) 32.Ra3 (better 32.Bd5!? Ra1 33.Ke2=+) 32...Ra3-/+ 33.Bd5 Rd3 34.Bc4 Rd2 35.Bb3 (35.Re4 Nb6–+) 35...Rd4 (35...Rb2 36.Bc4–+) 36.Rd4 cd4 37.Ke2 (37.g4 Nc5 38.Bc4 Kf6-/+) 37...Nc5 38.Bc4 f5 39.f4 Kf6 40.Kf3 h6 41.g4 Ke7 42.Bd5 fg4 43.Kg4 Na4 44.Kf3 Nc3 45.Bc4 Kf6 46.g3 g5 47.Bb3 (47.g4 Nb1 48.Bd3 Nd2 49.Ke2 Nb3-/+) 47...Kf5 (47...gf4 48.Kf4 Ne2 49.Kf3-/+) 48.Bc2 Kf6 (48...Ke6 49.f5 Ke5 50.g4-/+) 49.Bb3–+ Nb1 50.Bc2 Nd2 51.Ke2 Nc4 52.Kd3 Ne3 53.Ba4 g4 (53...Nf5!?-/+) 54.Bd7=+ h5 55.Be8 h4 56.gh4 g3 57.Bc6 Kf5 58.Kd4 Kf4 59.h5 Nf5 60.Kd3 Kg5 (60...Kg4!?-/+) 61.Bf3=+ Nh4 (61...Ng7!? 62.Ke2 Ne6=) 62.Ke3 Nf3 63.Kf3 Kh5 64.Kg3 ½–½. Wan,Yunguo (2520) – Xu,Yi (2460), China Blitz Chess Championships, 2019. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 b6 5.e3 Bd6 6.c4 Bb7)

7.Nc3 a5 8.Nb5 =.

7.d3 0-0 8.Nbd2 c5 9.b5 a6 10.a4 dc4 11.dc4 ab5 12.ab5 Nbd7 13.Be2 e5 14.0-0 Qc7 15.Ra8 Ra8 16.Qc2 Ra2 (16...e4 17.Ng5 Bh2 18.Kh1–+) 17.Ra1 (better is 17.Qb1!? Rb2 18.Qb2=) 17...Ra1-/+ 18.Ba1 Ne8 (better is 18...e4 19.Ng5 Bh2 20.Kh1 Be5-/+) 19.Qf5 e5 seems the pivot of the position 19...f6 (19...Nef6 20.Ng5+=) 20.Bd3 g6 21.Qe6 Kf8 22.Ne4 Be7 23.Nfd2?? (23.Bc3 Nd6 24.Nfd2 f5 25.Nd6 Qd6 26.Qd6 Bd6=) 23...Ng7?? (better is 23...f5 24.Nf3 fe4 25.Ne5 Ne5 26.Be5 Bd6 27.Bd6 Qd6 (27...Nd6?! 28.Qf6 Nf7 29.Be2–+) 28.Qd6 Nd6–+) 24.Qh3+= Kg8 25.f4 Qd8 26.fe5 Ne5 27.Be2 Nd3 28.Qf3?? Ne1?? 29.Qf4 Ne6 30.Qf2 Nc2 31.Bf6+/– Bf6 32.Qf6 Qf6 33.Nf6 Kg7 34.Nd7 Ne3 35.Nb6 Nd4 36.Bf3 Nf3 37.Nf3 1–0. Fournier,Frederic – fenrril, Active (5/0), 2004.

7.d4 dc4 8.Bc4 Bd5 =.

7.d4 Nbd7 8.Nc3 a6 (8...dc4 9.Bc4 0-0 10.0-0=) 9.c5+= bc5 (9...Be7 10.Bd3+=) 10.bc5 Bc5? (better 10...Be7+=) 11.dc5+– Nc5 (11...0-0 12.Rb1+–) 12.Na4 Ncd7 (12...Nce4 13.Bd3+–) 13.Rc1 0-0 14.Qd4 h6 (14...Re8 15.Nc5 Bc6 16.Qc3 Nc5 17.Qc5+–) 15.Bd3 Rc8 (15...a5 16.Qf4+–) 16.0-0 Qe7 (16...Rb8 17.Nc5+–) 17.Qa7 Rb8 (17...e5 18.Qb7 e4 19.Rc7 Rc7 20.Qc7 ed3 21.Bf6 gf6 22.Nd4+–) 18.Rc7 Qd6 (18...e5 19.Ne5 Qd6 20.Nd7 Qc7 21.Nf8 Ra8+–) 19.Rb7 Rb7 20.Qb7 Rb8 21.Qa7 1–0. Pierre – Manamss, internet, 2019.

7.cd5 Bd5 8.Nc3 Nbd7 (better is 8...Bb7!?=) 9.Nd5+/– ed5 10.Qa4 (10.Bb5+/–) 10...Ne4? (10...0-0 11.Ba6+=) 11.d4?? (better is 11.Bb5!? Rb8 12.d3+–) 11...0-0 12.Ng5?? (better is 12.Ba6 Ndf6 13.Bb7+=) 12...Ng5 13.Ba6 Nf6 14.b5 Rb8 15.g3 (15.Rc1–+) 15...Nf3 16.Ke2 Ng5 (16...Ne4!? 17.Qb3 Qg5 18.Qd1–+) 17.Ke1 (17.f3 Qe7–+) 17...Nfe4 18.h3 (18.Qd1 Qe7–+) 18...Qf6 19.Qc2 Rfd8 (19...Nf3 20.Ke2–+) 20.h4 (20.Qe2 Re8–+) 20...Nf3 21.Kf1 (21.Ke2 Qf5 22.Kd1 Nd4 23.Bd4 Qf3 24.Kc1 Qh1 25.Kb2 Qf3–+) 21...Ned2 (better is 21...Nfd2 22.Ke2 Qf2 23.Kd3 Re8–+) 22.Ke2 (22.Kg2 Re8 23.Qd3 Re7–+) 0–1. NN – Comet B25, 2003.

6.b5 Nbd7=+ 7.a4 (7.c4 0-0=+) 7...b6 (7...0-0 8.Be2=+) 8.d3 e5 9.Be2 (9.c4 a6=+) 9...Qc7 10.h3 (10.Nbd2 0-0=+) 10...Nf8 (10...a6 11.ba6 0-0 12.Nc3=+) 11.0-0 (11.c4 dc4 12.dc4 Ng6=) 11...Ng6 12.Nbd2 (12.c4 dc4 13.dc4 0-0=) 12...Be6 (12...0-0 13.c4=) 13.c4 d4 (13...0-0 14.Ng5=) 14.Ng5 Bd7 (14...Bf5 15.Bf3 Rd8 16.Nge4=) 15.Nge4 Be7 16.Bf3 Rd8 17.Qc2 0-0= 18.a5 Ne4 19.ab6 ab6 20.Be4 f5 21.Bd5 Kh8 22.Bf3 Nh4 23.ed4 Bg5 24.de5 Bd2+= (Black gets strong initiative) 25.Qd2 Nf3 26.gf3 f4 27.Kh2 Be6 28.Qe2 Qf7 29.Rfd1 Qh5 30.Qf1 Qf3 31.d4 Bc4-/+ 32.Qg2 Qb3 33.Rg1 Rg8-/+ 34.Bc1 Bd5 35.Qg4 Be6 36.Qh4 Rd4–+ 37.Ra7 Rd3 38.Ra3 Qb5 39.Rd3 Qd3 40.Bf4 Qd7 41.Be3 ½–½. Solozhentseva,Anna – Grebenshikova,Tatiana, Tula Club–ch op, 2000.

6.c3 c4 7.d3 0-0 (7...cd3!? 8.Bd3 Qc7=+) 8.dc4+= dc4 9.Qc2 (9.Bc4 Qc7+=) 9...b6 (9...Qc7!?=+) 10.Nbd2 b5 11.0-0-0 (11.a4 Bb7 12.ab5+/–) 11...Bb7 12.a4 Nd5 (12...a6 13.a5=+) 13.h4 (better is 13.ab5!? a5 14.ba5 Qa5 15.Nc4+=) 13...a5=+ 14.Ng5 ab4?? (14...g6 15.e4 Nf4 16.ab5 Nd3 17.Bd3 cd3 18.Qd3 ab4 19.c4+/–) 15.ab5 (15.Qh7) 15...g6= 16.Nc4 bc3 17.Bc3 Nc3 18.Qc3 (< 18.Rd6 Qf6 19.Kd2 Nb5–+) 18...Qe7? (better is 18...Bb4 19.Rd8 Bc3 20.Rf8 Kf8+–) 19.Nd6 Bd5 20.Ndf7 e5?? 21.Rd5 Nd7 22.h5 (22...Rfc8 23.Bc4 Rc4 24.Qc4 Ra1 25.Kc2+–; better is 22.Rd7 Qd7 23.Bc4 Rf7 24.Bf7 Kf8+–) 1–0. Wloka,Frank – Pieleck,Rudi, RSS5D easy–4, 2003.

6.bc5 Bc5 7.c4 dc4 8.Bc4 Nc6 9.0-0 0-0 10.d4 Bd6 11.Nbd2 a6 12.Qc2 b5 13.Bd3 Bb7 14.Rac1 Rc8 15.Qb1 Qd7 (15...Qe7 16.Ng5 h6 17.Nge4 Ne4 18.Ne4 Ba3 19.Ba3 Qa3 20.Nc5=) 16.Ne5 Ne5?? (better is 16...Qe7=) 17.de5+– Rc1 (17...Ng4 18.ed6 Qd6 19.g3 (19.Bh7?! Kh8 20.g3 Qd2+=) 19...Rc1 20.Rc1+–) 18.Rc1 Be5 19.Be5 Qd5 20.Nf3 Ng4 (20...Ne4+–) 21.h3 (better is 21.Bh7 Kh8 22.Qb4+–) 21...Ne5= 22.e4? (better is 22.Bh7 Kh8 23.Be4 Qe4 24.Qe4 Nf3 25.gf3 Be4 26.fe4=) 22...Qd3 23.Rd1?? (better is 23.Ne5 Qb1 24.Rb1 Be4 25.Rc1–+) 23...Qb1 24.Rb1 Nf3 (better is 24...Be4!? 25.Rc1 Bf3 26.gf3 Nf3 27.Kg2–+) 25.gf3 Be4! 26.fe4 Rd8 27.f3 Kf8 28.Kg2 (28.Rb3 e5–+) 28...Rd3 29.Kg3 Ra3 0–1. Fournier,Frederic (1720) – Predector (2015), Active, 2006.

6.bc5 Bc5 7.d4 Be7 =.

6.b5 Na5 7.d3 Bd7 (7...0-0 8.Be2=+) 8.c4 (8.e4 de4 (worse 8...Bb5 9.e5+–) 9.de4 Ne4 10.Bg7 Rg8=) 8...0-0 9.Ne5 (9.Be5 Be5 10.Ne5 a6 11.ba6 Ra6 12.cd5 ed5=) 9...Be8 (9...a6 10.Nd7 Nd7 11.Nc3 dc4 12.ba6 ba6 13.Qc2=+) 10.Nf3 (10.Ng4 Nd7 11.Bc3 c5 12.Nh6 gh6 13.Qg4 Qg5 14.Qg5 hg5 15.Ba5 a6=) 10...dc4 (10...a6 11.ba6 ba6 12.Qc2=) 11.Qa4 (11.dc4!? a6 12.Bd3=) 11...Nb3=+ 12.Ra2 Nc5 13.Qc2? (better 13.Qc4!? c6 14.a4=+) 13...Bb5 (13...cd3 14.Qc4 a6 15.ba6–+) 14.dc4 Bc6 (better 14...Ba4 15.Qe2 c6–+) 15.Ne5? (15.Nc3 Bf3 16.gf3 c6–+) 15...Ba4 (15...Be4 16.Qc1 b6 17.f3–+) 16.Qd2 (16.Qe2 Bb3 17.Ra1 c6–+) 16...Bb3 17.Ra1 Nfe4 18.Qd4 (18.Qc1 Qh4 19.g3 Qh5–+) 18...f6 (better 18...Be5 19.Qd8 Rad8 20.Be5 Rd1 21.Ke2–+) 19.Ng4?? (19.Nd3–+) 19...e5 20.Qd5 Kh8 21.Qb7 (21.Nd2 c6 22.Qe4 Ne4 23.Ne4–+) 21...Ba4 (better 21...Nb7 22.Be2–+) 22.Qb4 (22.Qa8 Qa8 23.Nc3 Qb7–+) 22…a5 (22...a5 23.Qc5 Bc5–+) 0–1. Goldmund,Heike – Belaz,Egidio, FICGS, 2015.

6.Bb5 Bd7 7.0-0 Qe7 8.Bc6 Bc6 9.Nd4 0-0 10.Nc6 bc6 11.Nc3 Rfe8 12.Ne2 e5 13.c4 dc4 14.Bc3 e4 15.Ng3 Rad8 16.f3 (16.Qa4 c5=) 16...ef3 (better is 16...Bg3!? 17.hg3 Rd3-/+) 17.Qf3= Qe6 18.Bf6 Qf6 19.Qf6 gf6 20.Rf6?? (better is 20.Nf5+=) 20...Be5–+ 21.Raf1 Bf6 22.Rf6 Rd2 23.Rc6 Rc2 (better is 23...Re3!? 24.Nf1 Rd1 25.Rc4 Ra3 26.Kf2–+) 24.e4 Re7 25.a4 c3 26.Rc4 Rc1 (better is 26...Rd7!? 27.h4 Rdd2–+) 27.Kf2-/+ c2 28.Ne2 (28.Nf5 Rd7 29.Ne3 Rd2 30.Kf3 Re1 31.Nc2 Rc1–+) 28...Ra1 29.Rc2 (29.b5 h5-/+) 29...Ra4 (29...Re4 30.b5 Raa4 31.g3–+) 30.Rc4? (30.Nc3 Ra6-/+) 30...Kg7?? (better is 30...a5 31.Nc3 Rb4–+) 31.Nc3-/+ h6?? (better is 31...Ra3-/+) 32.Na4+– f6 (32...c6 33.Nc5+–) 33.g4 Kg6 34.h4 a6 (34...h5 35.gh5 Kh5 36.Nc3+–) 35.Kf3 Rd7 36.Nc5 Rd6 37.Kf4 h5 38.e5 fe5 39.Ke5 Rf6 (39...hg4 40.Rg4 Kh5+–) 40.gh5 Kg7 41.Ne6 Kf7 42.Rc7 Ke8 (42...Kg8 43.Kf6 Kh8 44.Kg6 Kg8 45.Rc8) 43.Kf6 a5 44.b5 (44.Re7) 44...a4 45.b6 (45.Re7) 45...a3 46.b7 (46.Re7) 46...a2 47.b8Q# 1–0. Mr.Oldenslo – pieeater, ChessWorld.net, 2012.

6.Bb5 Bd7 7.0-0 Qe7 8.d3 a6 9.Bc6 Bc6 10.Nc3 (10.Ne5 a5=) 10...0-0 11.Re1 b5 12.Nd4 Bb7 13.f3 (13.e4 de4 14.Ne4 Ne4 15.de4 c5 16.bc5 Bc5+=) 13...Rfe8 14.e4 (14.f4 c5 15.bc5 Bc5+=) 14...de4 (14...c5 15.Ndb5 ab5 16.e5 cb4 17.ab4 Be5 18.Re5 Qb4 19.Qc1–+) 15.de4 Rad8?? (15...Be5 16.Nb3+=) 16.Nce2?? (better is 16.e5+/–) 16...c6 17.Qc1 Rd7 (17...Qc7 18.Nb3 Bh2 19.Kh1-/+) 18.Ng3 (18.Qe3!? Bc7 19.Nb3=) 18...Bg3-/+ 19.hg3 e5 (better is 19...c5!? 20.Nb3 cb4 21.ab4 Qb4=) 20.Nf5= Qe6 21.Qg5 g6 22.Nh6 Kg7 23.Ng4?? Will e5 fall? (better is 23.f4 Nh5 24.fe5+=) 23...Ng4-/+ 24.Qg4 Qg4 25.fg4 h6 26.Rad1 Rc7 27.Kf2 g5 28.Ke3 c5 29.c3 c4 30.Rd6 f6 31.Red1 Kg6 32.Rd7 Rd7–+ 33.Rd7 Bc6 34.Ra7? h5?? 35.gh5 Kh5 36.Ra6 Re6 37.Bc1 Kg4 38.Kf2 f5 39.ef5 Kf5-/+ 40.Be3 g4 41.Rb6 e4 42.Ra6 Rd6 43.Ke2 Re6 ½–½. Mr.Oldenslo – pieeater, ChessWorld.net, 2013.

6.Bb5 Bd7 7.c4 a6 (7...dc4 8.Bc4 0-0 9.0-0=) 8.Bc6 Bc6 9.c5 Be7 10.0-0 Bb5 (10...0-0 11.d3=) 11.d3+= 0-0 12.Nc3 Qd7 (12...Be8 13.Ne2=) 13.Ne5 (13.Nb5 Qb5 14.Nd4 Qd7+=) 13...Qe8 14.Nb5 (14.Qf3 b6 15.cb6 cb6=) 14...Qb5 15.Qc2 (15.Bd4 Rab8+=) 15...a5 (15...Rfb8 16.c6+=) 16.a4 Qe8 (16...Qb4? 17.Bd4 Bd6 18.Rfb1 Be5 19.Rb4 (19.Be5?! Qh4+/–) 19...Bh2 20.Kh2 ab4 21.Bf6 gf6 22.Rb1+–) 17.b5 Nd7 18.c6+/– Ne5 19.cb7 Rb8 20.Be5 Rb7 21.Bc7 Qa8 22.Bf4 Rc8 23.Qb2 Bf6+– 24.d4 g5 25.Bg3 Bd8 26.Rac1 f5 27.Be5 Rb6 28.Rc5 Rc5 29.dc5 Rb7 30.c6 Rf7 31.Rc1 Qa7 32.Qc3 Bc7 33.Bc7 Qc7 34.Qc5 (34...Qc8 35.b6+–; 34.Qb2 Qb8 35.b6 Rf8+–) 1–0. pcmvr (2645) – michelndmoreau (2425), net–chess.com, 2006..

6.Bb5 Bd7 7.Be2 0-0 =.

6.c4 0-0 7.d4 b6 (7...dc4 8.Bc4 Nd5 9.Qc2=) 8.Nc3 Bb7 (8...a5 9.b5 Ne7 10.Bd3=) 9.cd5 (9.c5 Be7+=) 9...ed5 (9...Nd5 10.Nd5 ed5 11.Bd3+=) 10.Bd3+= Qd7 11.0-0 Rae8 (11...a6 12.Rc1+=) 12.Qc2 h6 (12...Ne7 13.Nb5 Ba6 14.Nd6 (< 14.Na7 Bd3 15.Qd3 c6-/+) 14...Bd3 15.Qd3 Qd6 16.Rfc1+=) 13.Nb5 Ne4 (13...Ba6 14.Qa4 Nb8 15.Rfd1+=) 14.Rfc1 (14.Nd6 Qd6 15.Rac1 a6+/–) 14...Re7 15.Nd6 cd6 16.Qb3 Rc8 17.Rc2 Nd8 18.Rc8 Qc8 19.Rc1 Rc7 20.Rc7 Qc7 21.Qd1 Qc6 22.b5 Qc7 23.Nd2 Ne6 24.f3 Nd2 25.Qd2 Qe7 26.g3 Ng5 27.Kf2 Qf6+= 28.Qe2 Nh3 29.Kg2+/– Ng5 30.h4 Ne6 31.Bc3 Nc5 32.dc5 Qc3 33.c6 Bc8 34.a4 Kf8 35.g4 Qb4 36.Qd1 h5 37.Be2 (37.Bf5!? Bf5 38.gf5 Qh4 39.Qd5 Qg5 40.Kh3+–) ½–½. Pommerel,Wim – Venneker, CiF, 1991.

6.c4 dc4 7.Bc4 0-0 8.0-0 (8.Nc3 e5=) 8...a6 (8...e5 9.d3=) 9.d4+= b5 10.Bd3 h6 (10...Bb7 11.Nbd2+=) 11.Qc2+– Bb7 (11...Qe8 12.Ne5 Bb7 13.Rc1 Be5 14.de5+–) 12.e4 (12.Ne5 Qe8+–) 12...Be7 (12...Bb4 13.d5 ed5 A) worse 14.ab4 Nb4 15.Qd2 Nd3 16.Qd3 de4 (16...Ne4?! 17.Nbd2=+) 17.Qd8 Rfd8-/+; B) 14.ed5 Qd5 15.Bf6 gf6 16.Be4+– (worse 16.ab4 Nb4 17.Bh7 Kg7=)) 13.Nbd2+– Qd7 (13...Qb8 14.Nb3+–) 14.Nb3 Rfd8 (14...a5 15.Ne5 Ne5 16.de5+–) 15.Rac1 Rac8 (15...a5 16.Bb5 Nb4 A) 17.Bd7?! Nc2 18.Ba4 Be4=; B) worse 17.ab4 Qb5 18.d5 ab4-/+ (worse 18...ed5 19.Bf6 gf6 20.Nbd4=); C) 17.Qe2+–) 16.Rfe1 (better 16.Qd2+–) 16...Kh8 (better 16...Ra8!?+–) 17.d5 ed5 (17...Nb8 18.Qd2 ed5 19.Nc5 Bc5 A) 20.bc5?! d4+– (20...Ne4?? 21.Qh6 Kg8 22.Qg7; 20...de4 21.Bf6 e3 22.Bg7 Kg7 23.Re3+–); B) 20.Bf6+–) 18.Bf6 (better 18.ed5 Qd5 19.Bf6 Bf6 20.Be4+–) 18...Bf6?? (better 18...gf6 19.ed5 A) 19...Qd5?? 20.Be4 Qe6 21.Bc6 Qc6 22.Qc6 (worse 22.Re7 Qc2 23.Rc2 Rd1 24.Ne1 Bd5+–) 22...Bc6 23.Rc6+–; B) 19...Ne5 20.Ne5 fe5+–) 19.Nc5 Qg4 (19...Nb4 20.ab4 Qc6 21.Qb3+–) 20.Nb7 (20.Nb7 Ne5 21.Ne5 Be5 22.Nd8 Rd8 23.ed5+–) 1–0. Stapinski,Ryszard (1910) – Erdem,Naci (1800), DJ–CT18/pr27, 2011.

6.c4 dc4 7.Bc4 e5 8.Qc2 =.

6.d3 Bd7 7.g3 Qe7 8.Bg2 g6 (8...e5!?+=) 9.Nbd2 e5 10.0-0 0-0-0 (10...Bf5 11.Re1=) 11.b5 Na5 12.Bc3 b6 13.Ba5 ba5 14.Nb3 (14.Qb1 Be6+/–) 14...h6 (14...a4 15.Na5 h5 16.Qb1+=) 15.Na5+/– g5 16.c4 d4? (better is 16...g4!? 17.Qa4 Kb8+–) 17.Qb3 (better is 17.ed4 e4 18.de4 Ne4 19.Qc2+–) 17...g4? (17...Bc5 18.ed4 ed4 19.Rae1+–) 18.Nd2 (18.Nc6 Qe8 19.Na7 Kb8 20.Nc6 Kc8+–) 18...h5?? (better is 18...Bc5 19.Rfe1 Bb6+–) 19.b6 (19.Nc6 Qf8 20.Na7 Kb8 21.ed4+–) 19...cb6+/– 20.c5?? (better is 20.ed4 ed4 21.Rfe1+=) 20...Bc5+= 21.Rfc1 h4 (better is 21...de3 22.fe3 Kb8-/+) 22.Rc5? (better is 22.Nb7 hg3 23.Rc5 Kb8 24.hg3 de3 25.fe3+–) 22...bc5?? (better is 22...Qc5 23.Nb7 Qc3 24.Qc3 dc3–+) 23.Qb7# 1–0. ffrancis – pieeater, ChessWorld.net, 2012.

6.d4 Bd7 7.Nbd2 Qe7 8.Bd3 0-0-0 9.c4 dc4 10.Nc4 (worse is 10.Bc4 Kb8+=) 10...h6 11.b5 Nb8 12.a4 g5? (12...Bb4 13.Ncd2+/–) 13.Qb3?? (13.Nd6 Qd6 14.Ba3 Qd5+–) 13...g4? (13...Bb4 14.Bc3 Nd5 15.Bb4 Nb4 16.Rc1+/–) 14.Nfe5 (14.Nd6 Qd6 15.Ba3 Qd5 16.Qd5 Nd5+–) 14...Be5 (14...Bb4 15.Bc3 Nd5 16.Bb4 Nb4 17.Be2+– (17.Ng4?! Nd3 18.Qd3 Rdg8+=)) 15.Ne5 (worse is 15.de5 Ne8+–) 15...Nd5 16.a5 h5 17.Rc1 Nb4 (17...Qb4 18.Qb4 Nb4 19.Bc4+–) 18.b6 (18.Ba3!? Nd3 19.Nd3 Qe8+–) 18...ab6 19.ab6 c6 (better is 19...Nd3 20.Qd3 c6+–) 20.Ba3 Nd3 21.Qd3 Qe8 (21...Qf6 22.Bd6 Rh6+–) 22.Nc4 Qg8 (22...Na6 23.Nd6 Kb8 24.Ne8 Be8+–) 23.Nd6 1–0. nimzo1 – pieeater, ChessWorld.net, 2012.

6.c4 0-0 7.c5 Be7 8.Ne5 b6 9.Nd7 Qd7 10.d4 b5 (10...a5!?=) 11.Nc3+= c6 12.Bd3 (12.a4 ba4 13.Qa4 Qc7+=) 12...Bd8 (12...a5 13.0-0+=) 13.a4+/– ba4 14.Qa4 a6 15.b5 Qb7 (15...ab5 16.Qa8 Pinning (16.Qa8 Deflection); 15...cb5 16.Bb5) 16.b6 Nbd7? (better is 16...Be7+/–) 17.Ba6+– Qb8 18.Qc6 Be7 (18...Bb6 19.cb6 Qb6 20.Qb6 Nb6+–) 19.b7 Ra7 20.Nb5 Ra6 21.Ra6 Qd8 22.Ra8 Nb8 23.Qc7 Qe8 (23...Nfd7 24.Qd8 Bd8 25.Ke2+–) 24.Qa5 (better is 24.Rb8 Qb8 25.Qe7 h6+–) 24...Qc6 25.0-0 Qb7 26.Ra7 Bd8 (26...Qc8 27.Qb6 Qe8 28.Ra8+–) 27.Rb7 Ba5 28.Ra1 (better is 28.Na7 Ne4 29.Ra1+–) 28...Bd8 (28...Nc6+–) 29.Na7 (better is 29.Rb8 Nd7 30.Rb7 Nf6+–) 29...Be7 (29...Nbd7 30.Nc8 Nc5 31.dc5+–) 30.c6 (30.c6 Nc6 31.Nc6+–) 1–0. Andress,Silvio – Nowak,Josef, Berlin GER, Fruehling Open–B, 2014. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 Bd6 5.e3 Bd7)

6.c4 b6 7.Nc3 Qe7 (7...0-0 8.Rc1=) 8.cd5+= ed5 9.Be2 0-0 10.0-0 c6 11.d4 Ne4 12.Bd3 (12.Ne4 de4 13.Ne5 Be6=) 12...Bf5 13.Qc2 Re8 14.Nd2 (14.Ne5!? Qh4 15.f3 Nc3 16.Bf5+=) 14...Be5?? (better is 14...Nd2 15.Qd2 Bd3 16.Qd3 Qh4=) 15.de5+– (15.de5 Nd2 16.Qd2 (16.Bf5?! Nf1 17.Rf1 g6+–) 16...Bd3 17.Qd3 Qe5 18.b5+–; 15.Nde4?! de4 16.Bc4 Bd6+=) 1–0. Fournier,Frederic (1640) – supersmurf (1610), Active, 2007.

6.c4 dc4 7.Bc4 0-0 8.d4 c6 9.Nbd2 b5 10.Be2 a5 11.ba5 Qa5 12.0-0 Qc7 13.Nb3 Nd5 14.Nc5 Bc5 15.dc5 Qd8 (15...Qa7 16.Qc2+=) 16.Ne5 (16.a4!? f6 17.ab5 Ra1 18.Ba1 cb5 19.Qb1+/–) 16...f6= 17.Nd7 Qd7 (17...Nd7 18.Qc2=) 18.Bf3 (18.a4 Ra4 19.Ra4 ba4 20.Qa4 Qe7+=) 18...Qe7 19.Bd5 (better is 19.e4!? Nf4 20.Bc1=) 19...ed5+= 20.Re1 Qc5 21.Bd4 Qd6 22.Qb3 Rf7 23.Rec1 Nd7 24.Qb2 Ne5 25.Be5 fe5 (25...Qe5?! 26.Qe5 fe5 27.Rc6-/+) 26.g3 (26.Qc2 Rfa7–+) 26...Rc8 (26...e4 27.Qd4–+) 27.Rc3 e4 28.Rac1 Qf6 29.Qc2 Rfc7 30.Kg2 Qf3 31.Kf1? g6 0–1. Fournier,Frederic – Azzat_82, Partie amicale, 1m + 0s, 2008.

6.c4 c5 7.bc5+= Bc5 8.cd5 ed5 9.d4 (9.Bf6 Qf6 10.Nc3 Bc6+=) 9...Bb6 (9...Qb6!? 10.Qd2 Bd6=) 10.Bd3+= Nc6 11.0-0 0-0 12.Nc3 Rc8 13.Rc1 h6 (13...Re8 14.h3+=) 14.Ne5+/– Bc7 15.f4 Be6 16.Na4 (16.f5 Bd7 17.Ng4 Bd6+/–) 16...Ne7 (16...Ne4!?+=) 17.Nc5 b6 18.Ne6 fe6 19.Qa4 a5 20.Nc6 Nc6 21.Rc6 Qd7 (21...Bd6 22.Rc8 Qc8 23.Rc1+/–) 22.Bb5 Qe7 (22...Bd8!? 23.Rb6! Qf7+/–) 23.Qc2+– Ne8 24.Rc1 Rf6 (24...Nd6 25.Ba6 Nc4 A) 26.Bc4?! Bf4 27.Bd3 Rc6 (worse is 27...Be3 28.Kh1 Rc6 29.Qc6 Bc1 30.Bc1+/–) 28.Qc6 Bh2 29.Kh2 Qh4 30.Kg1 Qf2 31.Kh2 Qh4 32.Kg1 Qf2 33.Kh2 Qh4=; B) 26.Rc4 dc4 27.Bc8 Rc8 28.Qc4+–) 25.Kh1 (25.a4 Rf7 26.Bd3 g5+–) 25...h5 (better is 25...Rf7+–) 26.Rb6! Bb6 (26...Nd6!? 27.Ba6 Bb6 28.Bc8 Nc4+/–) 27.Qc8+– Rf8 28.Qc6 Bc7 29.Qd7 (better is 29.Be2+–) 29...Kf7?? (better is 29...Bd6+/–) 30.Qe7+– Ke7 31.Be8 Re8 (31...Bf4 32.ef4 Re8 33.Bc3+–) 32.Rc7 Kf6 33.g3 Rb8 34.Bc3 (34.Bc1 Rb3+–) 34...Rb3 35.a4 Kf5 (35...Ra3 36.e4+–) 36.Kg2 Ra3 37.Kf3 Ra2 (37...Kf6 38.Ba5 Ra4 39.Ra7+–) 38.h3 (38.Rg7 Kf6 39.Rg5 Ra4 40.Rh5 Ra3 41.Ba5 Ra5+–) 38...Ra3 (38...Ra4 39.Rg7 Ra3 40.Rg5 Kf6 41.Ba5 Ra5 42.h4+–) 39.Ba5 Ra4 40.Bb6 Rb4 (40...Kg6 41.Bc5+–) 41.Bc5 Rb1 (41...Rb8 42.g4 Kg6 43.Re7+–) 42.Rg7 Rf1 43.Kg2 Re1 44.Rg5 Ke4 (44...Kf6 45.Kf2 Rh1 46.Rh5+–) 45.Re5 Kd3 46.Re6 Ke2 (46...Re2 47.Kf3+–) 47.g4 (better is 47.e4 Kd3 48.ed5 Rb1+–) 47...Rf1 (47...hg4 48.hg4 Rf1+–) 48.gh5 Rf2 49.Kg3 1–0. Gelardi,Davide (1860) – Bruno,Alessio, 1st Etna Open, 2014.

6.c4 Nc6 7.d4 =.

6.Bd3 Ba4 7.0-0 Nc6? (7...0-0 8.Nc3 Bc6 9.b5=) 8.Re1 (8.Nc3 e5+–) 8...0-0? (better is 8...Ne7!?+=) 9.Nc3 (9.b5 Ne4 10.bc6 Bc6+–) 9...a5? (better is 9...e5!?+/–) 10.b5+– Ne5 (10...Bb5 11.Nb5 e5 12.Bf5+–) 11.Ne5 Be5 12.Qf3?? (better is 12.Na4!? Bb2 13.Nb2 c5+–) 12...Qd6? Black plans d4 (better is 12...Bc3 13.Bc3 c5 14.bc6 bc6+=) 13.g3?? (13.Na4 Bh2 14.Kf1 Be5+–) 13...Rab8?? (better is 13...Bc3 14.Bc3 e5=) 14.e4?? (14.Na4 Bb2 15.Nb2 e5+–) 14...d4?? (better is 14...Bc3 15.Bc3 e5+/–) 15.Na4+– c6 (15...Nd7+–) 16.bc6 (16.Qe2!? cb5 17.Bb5 Qd8+–) 16...bc6?? (16...Qc6 17.Qe2 Qa4+–) 17.Rab1 Rb2 (17...c5 18.c3 Rfc8+–) 18.Nb2 (18.Rb2?! Qa3 19.Reb1 Qa4+/–) 18...Qa3 19.Nc4 Qc5 20.Ne5 Qe5 21.Rb6 c5 22.Kg2 h6 23.Rb5 a4 24.Ra5 Rc8 25.Ra4 h5 26.h3 Nh7 27.h4 Nf6 28.Qf4 Qf4 29.gf4 c4 30.Be2 Ne4 31.d3 cd3 32.Bd3 Nc3 33.Rd4 f6 34.Re6 Kf7 35.f5 g6 36.Rd7 Kf8 37.fg6 Nd1 38.Rf7 Kg8+– 39.Ree7 Nb2 40.Rg7 Kf8 41.Rgf7 Kg8 42.g7 Nd3 43.cd3 Kh7 44.Rf8 Rf8 45.gf8Q Kg6 46.Qg7 Kf5 47.Qh7 Kg4 48.Re4 1–0. pieeater – WirralBoy, ChessWorld.net, 2013.

6.d4 b6 7.c4 c5 (7...0-0 8.Nc3+=) 8.cd5+= ed5 9.dc5 bc5 10.bc5 Bc5 11.Nc3 Qb6 (11...Be6 12.Rc1 Nbd7 13.Bd3+=) 12.Rb1+– Qa5 (12...0-0 13.Bd3+– (13.Nd5?! Nd5 14.Qd5 Ba3=)) 13.Nd2 0-0 (13...Be7 14.Nb3 Qd8 15.Nd5+–) 14.Nb3+– Qc7 15.Rc1 Bb6? (better 15...Qd6 16.Nc5 Qc5+–) 16.Nd5 Ba5 17.Ke2 Bb5 (17...Qd8 18.Bf6 gf6 19.Na5 Qa5 20.Qd4 Bb5 21.Kf3+–) 18.Kf3 Bc6 19.Bf6 gf6 20.Rc6! Qc6 (20...Nc6 21.Nc7 Combination; 20...Qc6 21.Na5 Deflection (21.Na5 Overloading)) 21.Na5 Qe6 22.Nf4 Qf5 23.Qd5 Qb1 (23...Qd5 24.Nd5 Nd7+–) 24.Qa8 Na6 (24...Nd7 25.Qb7 Ne5 26.Kg3+–) 25.Qa7 (25.Qa7 Nb8 26.Qc7+–) 1–0. Janek (1880) – Limesw, internet free game, 2018.

6.Be2 a6 7.0-0 h6 8.d4 Ne4 9.Nc3 Nc3 10.Bc3 Bb5 11.Bb5 ab5 12.Re1 Nd7 13.e4 Nb6 14.e5 Be7 15.Qd3 Nc4 16.Re2 Na3 17.Bb2 Nc4 18.Ra8 Qa8 19.Bc3 0-0 20.g3 (20.Re1 b6-/+) 20...c6 21.Nh4 (21.Re1!?-/+) 21...Bh4 22.gh4 Qd8 23.Kg2 (23.Qg3 Qe7–+) 23...Qh4 24.h3 Ra8 25.Qf3 Qg5 26.Kh2 b6 27.Re1 Ra3 28.Rg1 (28.Qd3 Qf4 29.Kg2 Nb2–+) 28...Qf5 (better is 28...Nd2 29.Bd2 Qg1 (29...Rf3?! 30.Bg5 hg5 31.Rg2–+) 30.Kg1 Rf3–+) 29.Qe2?? (29.Qf5 ef5 30.Be1–+) 29...Rc3 30.Rg3 (30.Qg4 Qg4 31.hg4 Rc2–+) 30...Rc2 31.Qe1 (31.Qg4 Qf2 32.Rg2 Qg2 33.Qg2 Rg2 34.Kg2 Ne5–+) 31...Rf2 32.Kg1 Rb2 33.Kh1 Rb1 34.Qb1 Qb1 35.Kh2 Qb4 36.h4 Qd2 37.Kh3 Qd4 38.Rg4 Qg4! (38...Qg4 39.Kg4 b4–+) 0–1. pieeater – raymac, ChessWorld.net, 2013. (=1.Nf3 d5 2.b4 e6 3.a3 Bd6 4.Bb2 Nf6 5.e3 Bd7)

6.Ne5 0-0 7.Nd7 (7.Bd3 a5 8.b5 Ne4=+) 7...Nbd7=+ (worse 7...Qd7 8.Bf6 gf6 9.Qh5+=) 8.Bb5 c6 9.Ba4 (9.Be2 b5-/+) 9...b5 10.Bb3 a5 11.ba5 Ra5 12.Nc3 e5 13.Ne2 c5 14.c3 c4 15.Bc2 e4 16.Nd4 Qc7 17.a4 (better 17.g3!?-/+) 17...ba4-+ 18.Ba4 Nc5 19.Nb5?? (better 19.Bc2-/+) 19...Qb6 (better 19...Qd7 20.Nd6 Ra4 21.Ne4 de4 22.0-0 Ra1 23.Qa1 Qd2 24.Ba3-+) 20.Nd6 Qd6 (20...Nd3 21.Ke2 Nb2-+ (21...Qb2?! 22.Nf5-+; 21...Qd6?! 22.Ba3 Qe6 23.Bf8 Qg4 24.Kf1=+)) 21.Bc2-/+ Rb5 (better 21...Rfa8!? 22.0-0 Qb8 23.Ra5 Ra5-+) 22.Ba3=+ Qe5 23.Ba4 Nd3 (23...Na4 24.Qa4 (24.Bf8? Nb2 25.Bd6 Qd6 26.Ra8 Rb8-+) 24...Rfb8 25.Bb4=+) 24.Ke2 (24.Kf1 Qf5 25.f4 Ng4=) 24...Qh5=+ 25.Kf1 Qf5?? (25...Qh4 26.Qe2 Ra5 27.Bf8 Kf8 28.h3=+) 26.Qe2?? (26.f3 Nb2 27.Qb1 Na4 28.Qb5 ef3 29.Qb1-+ (29.Qa4 Ng4 30.gf3 Qf3 31.Ke1 Nf2 32.d4 Nd3 33.Kd2 Qg2 34.Kd1 Qh1 35.Kd2 Qh2 36.Kd1 Qg1 37.Kd2 Qf2 38.Kd1 Qe1 39.Kc2 Qe2 40.Kb1 Rb8 41.Qb4 Qd1 42.Bc1 Qc1 43.Ka2 Nb4 44.cb4 Ra8; 29.Bf8 Ne4 30.Qd5 Qd5 31.gf3 Nd2 32.Kg1 Qf3 33.Re1 Qg4 34.Kf2 Ne4 35.Kf1 Qf3 36.Kg1 Qf2)) 26...Ra5-+ 27.Bf8 Kf8 28.g3?? (better 28.Ra3-+) 28...Ng4 (28...Qh3 29.Kg1 Ne5 30.Rb1 Nf3 31.Qf3 ef3 32.Rb8 Ke7 33.Rb7 Nd7 34.Rd7 Ke6 35.Re7 Ke7 36.d4 Qg2) 29.f3?? (better 29.Kg2 Nge5 30.Rhd1+/-) 29...ef3 30.Qd1 (30.Re1 fe2 31.Ke2 Qf2 32.Kd1 Ra4 33.Re2 Qf3 34.Kc2 Qh1 35.Re1 Qe1 36.e4 Ra2) 30...Ngf2 (30...Ne3 31.de3 Qh3 32.Kg1 Qg2) 31.Qb1 Nh1 (31...Qh3 32.Kg1 Qg2) 32.Qb8-+ Ke7 33.Qc7 Kf6 34.Qa5 Qh3 35.Kg1 Qg2 0-1. hamidrezaderakhshan (1605) - y_a_n_u_s_h (1605), lichess.org, 2020.

6.Nc3 a5 =.

6.Nc3 e5 =.

6.c4 b6 7.Nc3 0-0 8.Be2 (8.Nb5 e5=) 8...c5 (8...dc4 9.Bc4 c5 10.bc5 Nc5 11.d4=) 9.b5 (9.Nb5 Be7 10.bc5 dc4=) 9...Bb7 (9...dc4 10.Bc4 Ne5 11.Ne5 Be5 12.f4 Bc3 13.Bc3=) 10.d3 (10.0-0 dc4 11.Bc4 Ne5 12.Ne5 Be5=) 10...e5 (10...d4 11.ed4 cd4 12.Nd4 Bg2 13.Rg1+=) 11.d4 (11.cd5 Nd5 12.Ne4 Bc7=) 11...e4 (11...cd4!? 12.ed4 dc4 13.Bc4 ed4 14.Qd4 Bf3 15.gf3 Re8 16.Be2 Be5-/+) 12.Nd2 cd4 13.ed4 Re8 14.Nb3 (14.0-0!?=) 14...dc4 15.Bc4 e3 16.f3 Qc7 17.Qd3?? (17.Qe2 Rac8 18.Bd3 Bh2-/+) 17...Bh2 (better is 17...Rac8 18.Bf7 Kf7–+) 18.0-0-0 (18.Qe2!?-/+) 18...Rac8 19.Bf7?? (better is 19.Qe2–+) 19...Kf7 20.Kb1 Bg3 21.Rc1 (21.Qe2 Qc4 22.Qc4 Rc4–+) 21...Qc4 22.Qc4 Rc4 23.Nd2 (23.Ne2 Rc1 24.Nbc1–+) 23...ed2 (23...ed2 24.Rcd1 Rd4–+) 0–1. Rush,Bradley – Sollars,Ray, IECG, 1995.

6.c4 b6 7.cd5 ed5 8.b5 a6 =+.

6.c4 b6 7.cd5 ed5 8.Bb5 a6 (8...c5 9.Bc6 Rb8 10.0-0=) 9.Bc6+= Ra7 10.Qc2 (10.Bf6 Qf6 11.Nc3 Qg6+=) 10...0-0 11.Nc3 Bb7 12.Qd3?? (better is 12.Bb7 Rb7 13.Qd3=) 12…Bc6–+ (13.0-0 Re8–+) 0–1. Pagni,Carlo – Fritz,Harry, corr 3GMM–55, 1995.

6.c4 Qe7 7.cd5?? (better 7.c5 Nc5 8.bc5 Bc5 9.d4+–) 7...ed5= (7...Nd5? 8.e4+–) 8.Nc3 0-0 9.d3 (9.Bd3 c6=) 9...Ne5 (9...a5 10.b5=+) 10.Be2 (10.Ne5 Qe5 11.Qc2 Qf5=+) 10...Nf3-/+ 11.Bf3 c6 (11...d4 12.Nb5 de3 13.Qe2-/+) 12.0-0=+ Be5 (12...a5 13.b5=) 13.d4 (13.Re1 Bf5=) 13...Bd6=+ 14.Ne2 (14.Qc2 Bg4 15.Bg4 Ng4=+) 14...Bf5 15.Ng3 Be4 (15...Bg6 16.Qe2=+) 16.Rc1 (16.Ne4 Ne4 17.Qd3 Rfe8=+) 16...Rfe8 (16...Bf3 17.Qf3 g6 18.Rfe1-/+) 17.Be4 (17.Ne4 Ne4 18.Qd3 a6=+) 17...Ne4 18.Ne4 Qe4 19.g3 (19.Qc2 f5=+) 19...Re6 20.Qc2 (20.Rc3 Rae8=+) 20...Qg4 (20...Qf3 21.Qd3=+) 21.Qd1 (21.b5 cb5 22.Qb3 Qf5 23.Qb5 Rh6=+) 21...Qh3-/+ 22.Qf3 Rh6 (22...Rae8 23.Rce1-/+) 23.Qg2 Qg4 (23...Qh5!?-/+) 24.f3= Qe6 (24...Qd7 25.e4=) 25.Rce1 (25.e4 f6=) 25...f5 (25...a5 26.ba5 Ra5 27.e4=+) 26.f4 (26.e4!?=+) 26...Re8 (26...a5 27.Bc3-/+) 27.Qf2 (27.Bc3 Rg6-/+) 27...Qd7 (27...Qe4 28.Qe2-/+) 28.Re2 (28.Qf3 Rg6-/+) 28...Rhe6 (28...Qd8 29.Qe1-/+) 29.Rfe1 (29.Bc3 Qd8-/+) 29...b6 (29...Qc7 30.Rc2-/+) 30.Bc1 (30.Rc2 Kf7=+) 30...c5 (30...Rg6 31.Rc2-/+) 31.bc5 (31.dc5 bc5 32.Rd2 d4=+) 31...bc5-/+ 32.dc5 Bc5 33.a4? (33.Bb2!?=+) 33...a5 (33...d4!? 34.Rc2 de3 35.Qe2–+) 34.Qf3-/+ Qb7 (34...Re4!?-/+) 35.Kg2 (35.Rb2 Qc6=+) 35...g6 (35...Re4 36.Rc2=+) 36.h3 (36.Rb2 Bb4 37.Bd2=+) 36...Kg7 (36...Re4 37.Rc2-/+) 37.g4 (37.Rc2 Be7=) 37...Qc6 (37...Kg8 38.gf5 gf5 39.Rb2 Rg6 40.Kh2=) 38.g5 (better 38.Bb2!? Kg8 39.gf5 gf5 40.Kh1+=) 38...Re4 39.h4 (39.Rc2 Kg8=+) 39...d4-/+ 40.ed4?? (better 40.Rc2 Qb6 41.Bb2-/+) 40...Re2–+ 41.Re2 Re2 42.Kg3 Qf3 43.Kf3 Re4 (43...Rc2 44.Be3 Bd6 45.Bf2–+) 44.Bd2 (44.dc5 Ra4 45.Bb2 Kf7 46.Be5–+) 44...Bd4 (better 44...Bb6!? 45.d5–+) 45.Ba5 Bb2 0–1. Fournier,Frederic – Hakan2006, Partie evaluee, 1m + 0s, 2007.

6.d4 0-0 7.c4= c6 (7...a5 8.c5 Be7 9.b5=) 8.Be2 (8.c5 Be7=) 8...Qe7 (8...dc4 9.Bc4 a5 10.b5=+) 9.0-0 (9.c5 Bc7=) 9...e5 (9...dc4 10.Ne5=) 10.de5 Ne5 11.Nbd2 (11.Be5 Be5 12.Ne5 Qe5=) 11...Re8 (11...Nf3 12.Nf3 dc4 13.Bc4=) 12.Re1 (12.Be5 Be5 13.Ne5 Qe5=) 12...Bg4 13.Ne5 Be2= 14.Nc6 Bh2 15.Kh1 bc6 16.Qe2 Bc7 17.g3 Rad8 18.Qf3 Ne4 19.Rad1 Rd6 20.cd5= cd5 21.Kg2 Qe6 22.Rh1 Rc6 23.Ne4 de4 24.Qh5 h6 25.Rd2 Bd8 26.Qd5 Bb6 27.Qe6+= Ree6 28.Rh5 g5 29.Rh1 Rc4 30.Rhd1 Kf8 31.Bd4 Bd4= 32.Rd4 Rc3 33.a4+= a6 34.R1d2 Ra3= 35.a5 Rb3 36.Rc2 Kg7 37.g4 Kg6 38.Kg3 h5 39.gh5 Kh5 40.Rc5 Kg6 41.Rdd5 f6 42.b5+= ab5 ½–½. Autengruber,Robert (2165) – Haas,Josef (2035), RLSO_Vogtar–Freyung, 2002.

6.d4 a5 7.c4 =+.

6.d4 Ne4 7.Nbd2 0-0 8.c4 (8.Bd3 Nd2 9.Qd2 Qf6=) 8...Ndf6 9.Bd3 Bd7 (9...Nd2 10.Nd2 a5 11.c5+=) 10.0-0 Nd2 11.Qd2 dc4 12.Bc4 Bc6 13.Qe2 (13.Rfc1 Bf3 14.gf3 Nd5=) 13...Bd5 (13...a5 14.b5 Bd5 15.Bd5 ed5 16.Ne5=) 14.Bd3 Ne4 15.Qc2 f5 16.Rae1 (better is 16.Ne5=) 16...Nd2?? (better is 16...a5=) 17.Nd2+– Bh2 18.Kh2 Qh4 (18...Qd6 19.Kg1+–) 19.Kg1 Bg2 20.Kg2 Qg4 21.Kh1 Qh3 22.Kg1 Rf6?? (22...Qg4 23.Kh2 Rf6 24.Nf3 Rh6 25.Nh4 Rh4) 23.Qc7 (23.Bf5 Rf5 24.Qf5 ef5=) 23…Rh6 (24.Qg7 Kg7 25.d5 Kg8 26.Bf5 Qh2#) 0–1. Autengruber,Robert – Schmid,Guenter (2315), Niederbayern–chT, 2001.

6.Be2 0-0 7.0-0 c5 (7...a5 8.b5=+) 8.c3 (8.bc5 Bc5 9.d4 Bd6=) 8...c4=+ 9.d4 (9.d3 cd3 10.Qd3 e5=+) 9...Ne4 (9...a5 10.Qa4=+) 10.Nbd2 Ndf6 11.Ne4 Ne4 12.Qc2 Bd7 (12...Qc7 13.a4=+) 13.Bc4= dc4 (13...Nf2 14.Rf2 dc4 15.a4=) 14.Qe4+= Bc6 15.Qh4 (15.Qg4 Qf6+=) 15...Qh4 (15...b5 16.Qg4=) 16.Nh4 f5 (16...a5 17.Rfe1=) 17.f4 Be7 18.Nf3+= Kh8 19.Ne5+/– Bd5 20.h3 b5 21.a4+/– a6 22.Nd7 Rg8 23.ab5 ab5 24.Nb6 Ra1 25.Ra1 Bc6 26.Ra7 Bd6 27.Nd7 h6 28.Ne5 Be5+= 29.fe5 g5 30.Rc7 Ba8 31.Ra7 h5 32.g3 Be4 33.Kf2 h4 34.Bc1 g4=+ 35.gh4?? g3 36.Kg1=+ g2 37.Bd2 Rg3 38.Ra1 Rh3 39.Rc1 Rh4 40.Kf2 Rh1 41.Rg1 Kg7 42.Re1 Kg6 43.Rg1 Kg5 44.Rg2 Bg2 45.Kg2 Rd1 (46.Be1 Re1–+) 0–1. 73DADDELDU37 – MaxPayne, mySchach.de, 2005.

6.Be2 e5 7.c4 (7.0-0=+) 7...0-0 (better is 7...e4!? 8.Nd4 dc4 9.Bc4 Ne5=+) 8.c5+= Be7 (8...e4 9.cd6 ef3 10.Bf3+=) 9.Ne5+/– Ne5 (9...Re8 10.Nd7 Qd7 11.0-0+/–) 10.Be5 Ne4 (10...Nd7 11.Bb2+/–) 11.Nc3 Bf6 12.Bf6 (12...Qf6 13.0-0 Nc3 14.dc3+/–) 1–0. JonathanDee – bai_bai, internet, 2007.

7.d4 b6 8.Nc3 dc4 9.Bc4 Bb7 10.0-0 Re8 11.Re1 a5 12.b5 Rc8 13.e4 Bf8 14.Bd3 c5= 15.bc6 Bc6 16.Rc1 g6 17.Nb5 Bb5 18.Bb5 Bg7 19.Ne5 Rc1 20.Qc1 Nh5?? 21.Nd7 Re7 22.Qc6 (22...Nf6 23.Ne5+– (23.Nb6?! Rc7 24.Qa8 Qa8 25.Na8 Rc8+–)) 1–0. juanpacio (1720) – cosaco, internet, 2006.

7.cd5 ed5 8.Nc3 c6 9.Be2 Ne5 10.0-0 Be6 11.d4 Nf3 12.Bf3 Rb8 13.g3 Qd7 14.Rc1 Bh3 15.Bg2 Bg2 16.Kg2 Ne8 17.f4 (17.e4!? de4 18.Ne4+=) 17...f5 18.Qf3 Nf6 19.Rce1 Ne4 20.Ne4 fe4 21.Qe2 Rf6 22.Kg1 a6 23.Rf2 Qc7 24.Ref1 Rbf8 25.Qg4 Qe7 26.Kg2 Rg6 27.Qh3 b6 28.Qh5 Rh6 29.Qg4 Rg6 30.Qe2 (30.Qh5!?=) 30...b5 31.Rc1 Qd7 32.Kg1 Rh6 33.Qc2 Bb8 34.a4 Rff6 35.ab5 ab5 36.Bc3 Rfg6 37.Rg2 Qg4 38.Qe2 Qe2 39.Re2 Re6 40.Ra2 Re8 41.Rca1 1–0. Fournier,Frederic (1735) – rolondo, Active, 2011.

8.Qc2 a5 9.Bd3 c6 10.0-0 b6 11.Ne5 Bb7 (11...Ne5 12.Be5 Nd7 13.Bc3=+) 12.Nd7 Qd7 (12...Nd7 13.cb6 Qb6 14.Bh7 Kh8 15.Nc3 ab4 16.ab4 Qb4 17.Rfb1+=) 13.Nc3 (13.cb6!? Qd8 14.ba5 Ra5 15.Bc3+–) 13...ab4 14.ab4 bc5 15.bc5 Ra1 16.Ra1 e5 17.Na4 e4 18.Bf1 Qc7 19.Nb6 Ng4 20.g3 Ne5 21.Be2 f5 (21...Re8!?=) 22.Ra7+= Nf3 (22...Bf6+=) 23.Kh1 (23.Bf3 ef3 24.Bd4 Bg5+–) 23...Ng5 (better 23...Qb8!? 24.Ra1 Qc7+=) 24.Ba6+– Rb8 25.Nd5 cd5 26.Qb3 Bc8 27.Qd5 (better 27.Rc7!? Rb3 28.Bc8 (worse 28.Re7 Ba6 29.Rg7 Kf8 30.Rg5 Rb2 31.Rf5 Kg7-/+) 28...Rb2 29.Re7=) 27...Be6= 28.Qd4 (worse 28.Rc7 Bd5 29.Bg7 Kf7-/+) 28...Bc5 29.Rc7 Bd4 30.Bd4 Bf7 (better 30...Rb1!? 31.Kg2 Nf3=) 31.Bc3 Ne6 32.Rc6 (32.Rc8 Rc8 33.Bc8 g6+–) 32...Bh5 (better 32...Rb1 33.Kg2 Bh5 34.Re6 Bf3 35.Kh3 g5=) 33.Rc8+– Rc8 34.Bc8 Kf7 35.Bb4 Be2 36.h4 Kf6 37.Bc3 Ke7 38.Be6 (better 38.Kg2!?+–) 38...Ke6= 39.Bg7 Kd5 ½–½. tino_vegh (2075) – bondefanger, gameknot.com, 2014.

8.Qc2 c6 9.d4 Ne4 10.Nbd2 Nd2 11.Nd2 e5 12.de5 Re8 13.Bd3 Bg5 14.f4 Bh4 15.g3 Be7 16.Bh7 Kh8 17.Bd3 Nf8 18.0-0 g6 19.Nf3 Nh7 (19...Bh3 20.Rf2+–) 20.h4 (20.e6!? Bf6 21.ef7 Re3+–) 20...Bg4 21.Ng5 Ng5 22.fg5 Rf8 23.Bg6! fg6 24.Qg6 Rf1 (24...Qc7 25.e6 Bf6 26.Bf6 Rf6 27.Qf6 Qg7 28.Qg7 Kg7 29.Rf7 Kg8 30.Rb7 Be6+–) 25.Rf1 (25.Kf1?! Qf8 26.Kg1 Qg7 27.Qg7 Kg7+=) 25...Qg8 (25...Qd7 26.Rf7 Bc5 27.Qg7) 26.e6 1–0. MrThayer (2230) – jc256, ChessWorld.net, 2004.

8.Bd3 c6 9.Qc2 =.

8.Bd3 Ne4 9.0-0 Nec5 10.bc5+/– Nc5 11.Bc2 Bf6 12.d4 Ne4 13.Be4 de4 14.Nfd2 b6 15.Ne4 Bb7 16.Qf3 Be4 17.Qe4 Re8 18.f4 c5 19.Rf3 e5? 20.fe5 Bg5 21.Rh3 g6 22.Nc3 cd4 23.ed4 Bf6 24.Rf1 Be7 25.Rf7 Kf7 26.Rh7 Ke6 27.Qg4# 1–0. Wall,Bill – Rangerman, internet, 2000.

8.Bd3 Ne4 9.0-0 Bf6 10.Nc3 Nc3 11.dc3 e5 +=.

8.Bd3 Ne4 9.0-0 Bf6!? 10.Nc3 Nc3 11.dc3 h6 +=.

8.Bd3 Re8 9.0-0 a5 10.Qa4 c6 11.Rc1 b5 12.Qd1 ab4 13.ab4 Ra1 14.Ba1 Bb7 15.Na3 Ne4 16.Be4 de4= 17.Nd4 Nf6 18.Nb3 Qd5=+ 19.Nb1 e5 20.Nc3 Qd3 21.Ne2 Nd5 22.Na5 Ba8+= 23.Rb1 Nb4 24.Rb4+= Bc5 25.Rb1 Bb6 26.Nb3 Qc4 27.Rc1 Qd5 28.Bc3 Rd8 29.Ra1 Rc8? 30.Ra6 Bd8+/– 31.Qa1 Qb3 32.Ra3 Qc2 33.Ra2 Qb3 34.Ra3 Qc2 35.Ra2 Qb3 36.Ng3 Bb7 37.Ra7 Rc7 38.Ba5 Rd7 39.Qe5 Qe6 40.Qe6 fe6 41.Bd8 Rd8 42.Rb7 Rd2 43.h4 Rd5 44.Ne4 h6 45.Rc7 Rd1 46.Kh2 Rc1 47.h5 Rc4 48.Rc8 Kh7 49.f3 b4 50.Kg3 Rc1 51.Rb8 c5 52.Rb7 Kg8 53.Rb8 Kh7 54.Rb5 Rh1 55.Rc5 Kg8 56.Rb5 b3 57.Rb3 Rh5 58.Rb8 Kf7 59.Rb7 Kg6 60.Re7 Re5 61.Kf4 Rf5 62.Kg3 Re5 63.Kg4 h5 64.Kg3 Kh6 65.Nd6 Re3 66.Nf5! ef5 67.Re3 g5 68.Re6 Kg7 69.Ra6 f4 70.Kh3 Kh7 71.Kh2 Kg7 72.Kh3 Kh7 73.Kh2 Kg7 74.g3 fg3 75.Kg3 Kh7 76.f4 gf4 77.Kf4 Kg7 78.Kg5 Kf7 79.Kh5 Ke7 80.Kg5 Kd7 81.Kf5 Kc7 82.Ke5 Kd7 83.Rd6 Ke7 84.Rd1 Kf7 85.Rf1 Kg6 86.Ke6 Kg5 87.Ke5 Kg6 88.Ke6 Kg5 89.Rf5 Kg4 90.Ke5 Kg3 91.Ke4 Kg4 92.Rf4 Kg5 93.Ke5 Kg6 94.Rf5 Kg7 95.Rf2 Kg6 96.Rf5 Kg7 97.Rf2 Kg6 98.Rg2 Kf7 99.Rg4 Ke7 100.Rg7 Kd8 101.Ke6 Kc8 102.Kd6 Kb8 103.Kc6 Ka8 104.Kb6 Kb8 105.Rg8# 1–0. Delfi 1.40 – LordKing30, computer chess game, 2001.

8.d4 a5 9.Ne5 =.

8.d4 Ne4 9.Bd3+= f5 (9...a5 10.0-0+=) 10.Qc2 (10.0-0 Ndf6+=) 10...c6 (10...a5 11.0-0+=) 11.0-0 a6 (11...a5 12.b5+=) 12.Nbd2 (12.Ne5 Ne5 13.de5 b5+=) 12...Qe8 13.Rfc1 (13.Rfd1 Qg6+=) 13...Qg6 14.a4 Rb8 15.b5 Qh6 (15...e5 16.Nb3 Nf2 17.Qf2=) 16.Nf1 (16.Nb3 Qg6+=) 16...Ndf6 (16...e5 17.Ne5 Ne5 18.de5 Nc5 19.Ba3 Nd3 20.Be7 Nc1 21.Bf8 Ne2 22.Qe2 Kf8 23.Qb2+=) 17.bc6 bc6+= 18.Ne5 Bb7 19.f3 Ng5+= 20.Qd2 Nf7 21.Nf7 Rf7 22.Qa5 Bd8= 23.Qd2 a5 24.Bc3+= Ra8 25.Rab1 g5 26.Rb3 g4 27.f4 Ne4 28.Be4 de4 29.Rcb1 Ra7 30.Ng3 Qf8 31.Ne2 Rd7 32.Nc1 Qe7 33.R3b2 Qe8 34.Nb3+– Ba6 35.Ra1 Bc4 36.Ba5 Bb3 37.Bd8 Ba4?? 38.Bb6+– Ra6 39.Rba2 Qa8 40.Qb4 Bb5 41.Ra6 Ba6 42.Qa5 Kf7 43.Qa6 Qa6 44.Ra6 Rb7 45.Ra8 h5 46.Rc8 Kg7 47.Rc6 Kf7 48.Rc7 Rc7 49.Bc7 Ke7 50.Kf2 h4 51.h3 Kd7 52.Bd6 Ke8 53.Ke2 Kd7 54.Kd2 Kd8 55.Kc3 (55...Kd7 56.Be5+–) 1–0. Halamus,Agata – Siwek,Kinga, Poland–ch U16 Girls, 2002.

8.d4 Re8 9.Bd3 +=.

8.Be2 a5 9.0-0 ab4 10.ab4 Ra1 11.Ba1 c6 12.Ne5 Ne5 13.Be5 Nd7 14.Bc3 b6 15.d4 Bf6 16.f4 Qc7 17.Nd2 bc5 18.Qb3 (better is 18.bc5 Bb7 19.e4+=) 18...c4-/+ 19.Qc2 g6 20.g4 Bg7 21.g5 Nb6 22.Ra1 Bb7 23.Ra7 Ra8 24.Qa2 Qb8 25.Ra8 Qa8 26.Qa8 Na8 27.Nb1 Nc7 28.Na3 Bf8 29.Bd1 Ba6 30.Ba4 (30.Kf2 Bb5-/+) 30...Nb5 31.Bb5 Bb5 32.Nb5 cb5 33.Kf2 Kg7 34.Kg3 f6 35.h4 Kf7 36.Kg4 Bd6 37.gf6 (better is 37.Kf3–+) 37...Kf6 38.Bd2 Be7 39.Be1 h6 40.Bc3 h5 41.Kf3 Kf5 42.Be1 c3! Threatens Bd2 43.Bc3 Bh4 44.Bd2 g5 45.fg5 Bg5 46.Be1 h4 47.Bf2 h3 0–1. Gil Clariana,Jordi (1825) – Colomer Camarasa,J (1945), 12th Miquel Mas Open, 2011.

8.Be2 c6 9.0-0 b6 10.cb6 Qb6 (10...ab6 11.Qc2 Bb7 12.Rc1=) 11.Bf6 (11.Qc2 c5=) 11...Bf6 12.Nc3 a5 13.Rb1 (13.Qa4 c5=) 13...ab4 14.ab4 (14...e5 15.d4=). St_Jean,Benoit – Eansworth,Kevin, internet, 2001.

8.Be2 c6 9.0-0 b6 10.d4 a5 11.cb6 (11.Nc3!?=) 11...Qb6 (worse is 11...Nb6 12.ba5 Nbd7 13.Qc2=) 12.Qd2 ab4 13.ab4 Ra1 14.Ba1 Qb4 15.Bc3 Qb6 16.Qc2 Ne4 17.Be1 c5 18.dc5 Bc5 19.Nbd2 Nd2 20.Bd2 Nf6 21.Rb1 Qc6 (21...Qa7!?+=) 22.Rc1 (22.Bb4 Nd7 23.Rc1 Bb7+/–) 22...Ne4= 23.Bb4 Bd7 24.Ne5 Qc7?? (better is 24...Qd6 25.Bc5 Nc5 26.Nf7 Kf7 27.Qc5 Qc5 28.Rc5 Ra8=) 25.Nd7?? (better is 25.Nd3+–) 25...Qd7-/+ 26.Bc5 Rc8 27.Qb2 Qc6?? 28.Ba3 Qc1 29.Qc1 Rc1 30.Bc1 Nc3 31.Bf1 h6 32.f3 g5 33.Kf2 f5 34.Bd2 Nd1 35.Ke1 Nb2 36.Bb5 Kf7 37.Bc3 Nc4 38.Bc4 dc4 39.Kd2 Ke7 40.e4 Kd6 41.ef5 ef5 42.Ke3 Kc5 43.f4 g4 44.h4 h5 45.g3 1–0. Fournier,Frederic – nabeal2007, Active, 2007.

8.Be2 c6 9.Qc2 Qc7 =.

8.Be2 Ne4 =.

9.Nbd2 b5 10.Bd3 =.

9.Nbd2 b6 10.Bd3 a5 11.Qe2 Ne8 (12.0-0 Nc7+=; 11...ab4!? 12.ab4 Ra1 13.Ba1 Qc7=). Lebel,Patrick (2175) – Grossmann,Michael, CP.2002.P.00083, 2002.

9.Bd3 a5 =.

9.Bd3 b6 10.0-0 Bb7 11.Nbd2 a5 12.Qe2 ab4 13.ab4+= Qc7 14.Nb3 Rfd8 15.Qc2 h6 16.cb6 (16...Qb6 17.Nc5+=). pcmvr (2760) – hypnoticspecter (2495), net–chess.com, 2006.

9.Bd3 b6 10.0-0 Qc7 11.Qc2 bc5= 12.bc5 a5 13.Nbd2 Ba6 14.Ba6 Ra6 15.Rab1 Raa8 16.Bc3+= a4 17.Rb2 Qa7 18.Rfb1 Rfb8 19.Ne1 Rb2 20.Rb2 e5 21.de5 Ng4 22.Ndf3 Nc5 23.Bd4 Qa5 24.Rb1 Bf8 25.Ng5 g6 26.Nef3 Nh6 27.h4 Nf5= 28.h5 Rc8+= 29.e6 Ne6= 30.hg6 hg6 31.Ne6 fe6 32.g4 c5 33.Be5 Qa6 34.gf5 gf5 35.Ng5 (35.Ng5 Be7 36.Qd1 Bg5 37.Qh5+–) 1–0. Schuster,Peter (2440) – Bringsken,Peter (2100), BdF T, 2004.

7.Bc4 a5 8.Qb3 Nb6 9.Be2 ab4 10.ab4 Ra1 11.Ba1 Qe7 (11...0-0 12.0-0=) 12.b5 (12.Bf6!? gf6 13.Nc3=) 12...e5+= 13.d4 e4 14.Ne5 Nfd7 15.f4 (15.Qb2 f6 16.Nc4 Nc4 17.Bc4 Nb6+=) 15...ef3-/+ 16.Nf3 (16.Bf3 Ne5 Decoy; 16.Nf3 Nf6 Combination; 16.gf3 Ne5 Decoy) 16...Nf6 17.Nbd2 0-0 18.0-0 Bg4 19.Re1 (19.Nc4 Be6-/+) 19...Ra8 (19...Bb4 20.Rd1–+) 20.Bb2 (20.Bd3!?-/+) 20...Bb4–+ 21.Qd3 (21.Rd1 Nfd5 22.Nf1 Nf4 23.ef4 Qe2–+) 21...Ra2 22.Bc1 (22.Rb1 Bf5! 23.Qf5 Qe3 24.Kf1 Bd2–+) 22...Ne4! 23.Rf1 (23.Ne4 Be1 Decoy; 23.Qe4 Qe4 Combination) 23...Bd2 (better is 23...Bf5!? 24.Ne5 Bd2 25.Rf5 Bc1 26.Qe4 Re2 27.Rf7–+) 24.Nd2-/+ Nd2 25.Bd2? (better is 25.Rd1!? Bf5! 26.Qf5 Qe3 27.Qf2 Qf2 28.Kf2 Ne4 29.Kf3 Re2 30.Ke2 Nc3 31.Ke1 Nd1 32.Kd1-/+) 25...Ra3–+ 26.Qb1?? (26.Qa3 Qa3 27.Bg4–+) 26...Be2 27.Re1 (27.Rc1 h6 28.Qb4 Re3 29.Qe7 Re7–+) 27...Bd3 28.Qb4 0–1. Grasso,Gaetano (2095) – Sonis,Francesco (2420), 7th Terre Degli Elimi, 2016.

7.Bc4 a5 8.b5 b6 9.d4 Bb7 10.Nbd2 Qe7 (10...0-0 11.0-0=) 11.0-0 0-0 12.a4 (12.Ne5 Ne4 13.Nc6 Bc6 14.bc6 Nd2 15.Qd2 Nf6+=) 12...h6 (12...e5 13.de5 Ne5 14.Ne5 Be5 15.Be5 Qe5 16.Nf3=) 13.Qe2 Rfd8 14.e4 e5 15.Rfe1 Re8 16.Bd3 ½–½. Schoenwaelder,Bernd (2100) – Hoffmann,Tim (1960), Dresden GER, ZMDI Open, 2014. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 Bd6 5.e3 Nbd7 6.c4 dc4)

7.Bc4 a6 8.d4 =.

7.Bc4 b6 8.0-0 0-0 9.Nc3 (9.d4 Bb7=) 9...Bb7 10.d3 (10.d4 a5 11.b5 Rc8=) 10...a6 (10...c5 11.bc5 Nc5 12.Rc1=) 11.b5 (11.d4 a5 12.b5 Rc8=) 11...a5 (11...Ng4 12.e4=) 12.e4 (12.Re1 Rc8=) 12...Ne5 13.Ne5 Be5 14.Qc2 (14.Qf3 Qd6 15.h3 Rfd8=) 14...Qd6 15.h3 (15.Ne2 Bh2 16.Kh1 Bf4=) 15...Rfd8 16.a4 (16.Rfc1 Rac8=+) 16...Nd7 (16...Rac8 17.Rab1=+) 17.Ba3 Nc5 18.Rad1 Bd4 (18...c6 19.Ne2 Qc7 20.f4=) 19.Kh1 Bc3 20.Qc3 Na4=+ 21.Qb3 Nc5 22.Qa2 Rd7 23.d4+= Qf4 24.dc5+– (White is in command) 24...Rd1 25.Rd1 Be4 26.cb6 cb6 27.f3 Bf3 28.Rf1+– Rd8 29.Bc1 Bg2 30.Kg2 Qe4 31.Kg1 Qd4 32.Qf2 Qf2 33.Rf2 Rc8 34.Rc2 a4 35.Bd3 Rd8 36.Rd2 Rc8 37.Bb2 g6 38.Bc2 a3 39.Ba3 h6 40.Bb2 Rc5 41.Bd3 Rd5+– 42.Kf2 Rh5 43.Kg3 Rd5 44.Kf3 Rh5 45.Bf1 Rf5 46.Ke2 Rb5 47.Rd8 (47...Kh7 48.Rh8#) 1–0. Andersson,Lars H – Oeberg,A, corr, 1987.

7.Bc4 b6 8.d3 0-0 9.Nbd2 Bb7 10.Rc1 (10.0-0 Qe7=) 10...a6 (10...Qe7 11.e4 e5 12.0-0=) 11.0-0 (11.e4 b5 12.Bb3 Be7=) 11...b5=+ 12.Bb3 Re8 (12...a5 13.Bc3=+) 13.Re1 (13.e4 Be7=) 13...h6 (13...a5!? 14.ba5 Ra5=+) 14.e4= e5 15.Nh4 Bf8? (15...a5!? 16.Nf5 ab4 17.Nd6 cd6 18.ab4 Nb6+=) 16.Ng6 (16.Re3 c5+-) 16...Rc8 (16...Bd6 17.f4 a5 18.d4 ab4 19.fe5 ba3 20.Bc3+/-) 17.Nf3 c5 (17...Bd6 18.Ba2+/-) 18.Nf8 (18.Nge5 Ne5 19.Ne5 Re5 20.Be5 cb4 21.ab4 Bb4 22.Rc8 Bc8 23.Bf7 Kf8+-) 18...Kf8 19.bc5 Nc5 (19...Kg8 20.Ba2 Qe7 21.d4+/-) 20.Ne5+- Nb3 (20...Re7 21.f3+-) 21.Qb3 Qe7 22.Bc3?? (better 22.f3+-) 22...Rc3= 23.Rc3 (23.Qc3 Qe5 24.Qe5 Re5=) 23...Qe5=+ 24.Qb4 Kg8 25.Rec1? (better 25.Rc5 Nd5 26.Qd2=+) 25...Nd5-+ 26.Qc5 (26.ed5?? Qe1! 27.Re1 Re1) 26...Nc3 27.Rc3 (27.Qe5 Re5 28.Rc3-+) 27...Qc5 28.Rc5 Rd8 29.Rc3 (29.f3 Rd3 30.Rc7 Be4 31.fe4 Ra3-+) 29...Be4 30.f3 Bd3 31.Rc6 (31.Kf2 Bc4-+) 31...a5 32.Rb6 (32.g4 Rd4 33.Rc3 Bc4-+) 32...a4 33.g4 (33.Kf2 Bc4-+) 33...Bc4 34.Kg2 Kh7 35.h4 (35.f4 Rd3-+) 35...Rd3 36.g5 (36.f4 Ra3 37.f5 Rd3-+) 36...hg5 37.hg5 Ra3 38.f4 Re3 39.f5 Re5 (39...a3 40.Rd6 Re1 41.Kf2-+) 40.g6 fg6 41.fg6 Kh6 42.Kh3 Rg5 43.Kh4 Rg6 (43...a3 44.Ra6 a2 45.Kh3 b4 46.Ra8 b3 47.Ra3 b2 48.Kh2 b1Q 49.Rh3 Kg6 50.Rg3 Qb8 51.Kg1 a1Q 52.Kh2 Qg3) 44.Rb8-+ Re6 (44...Rg1 45.Rh8 Kg6 46.Kh3 Rh1 47.Kg4 Rh8 48.Kf4 a3 49.Kf3 a2 50.Kf4 a1Q 51.Kf3 Qc3 52.Kg4 b4 53.Kf4 Rh4) 45.Kg4 Kg6 (better 45...a3 46.Kf5 g6 47.Kg4 Re1-+) 46.Kh4 a3 47.Ra8 (47.Rf8 a2 48.Kg4 a1Q 49.Rf5 Qg1 50.Kf4 Qe3 51.Kg4 Re4 52.Rf4 Rf4) 47...a2 48.Ra5 (48.Kh3 b4 49.Kg3 Ra6 50.Rb8 a1Q 51.Rb6 Rb6 52.Kf2 Rf6 53.Ke3 Qe5 54.Kd2 Rf1 55.Kc2 Qc3) 48...Kf5 49.Kg3 Re1 (49...Re1 50.Ra7 a1R 51.Ra1 Ra1 52.Kf3 b4 53.Ke3 Rd1 54.Kf3 b3 55.Kf2 b2 56.Kf3 b1Q 57.Kg3 Qb3 58.Kf2 Bd5 59.Ke2 Qf3) 0-1. Humm,Peter (1610) - Zens,Rolf (1875), 17th RLP-Senioren-Open, 2019.

7.Bc4 Nb6 8.d3 0-0 9.Nbd2 a5 10.b5 Qe7 11.0-0 e5 12.Ng5 (12.Qc2 Bd7=) 12...Bg4 13.Qc2 a4 (13...Bf5 14.Nge4=) 14.Nde4 (14.Nge4 Ne4 15.Ne4 Bf5=) 14...Bf5 (14...Ne4 15.Ne4 Bf5 16.Nd6 cd6 17.Qd2=) 15.f4 (15.Nd6 cd6 16.e4 Bg6=+) 15...Ne4 16.Ne4 Be4 17.de4 Rac8 (17...ef4 18.ef4 Bf4 19.Rf4 Qc5 20.Rf2 Qc4 21.Qc4 Nc4 22.Rc1=) 18.Ba2 Kh8 (18...Ba3?? 19.Ba3 c5 20.bc6+–) 19.Rf3 (19.Qc3 f6=) 19...f6=+ 20.Raf1 c6 (20...Rfd8 21.fe5 Be5 22.Be5 Qe5 23.Rf5=) 21.Qe2 (21.bc6 Rc6 22.Qb1 Re8 23.fe5 Be5 24.Be5 Qe5= (< 24...fe5 25.Bd5 Nd5 26.ed5+/–)) 21...h6 (21...Rfe8 22.bc6 bc6 23.Rh3=+) 22.bc6= Rc6 23.Qd3 (23.Bd5 Rc7=) 23...Rd8-/+ 24.Qb1 Ba3 25.Ba3 Qa3 26.Bd5 Nd5 27.ed5 e4 28.Qe4 Rcd6 29.Qb1 Rd5 30.Qb7 Rd1 31.h3 Qb3 32.Qb3 ab3 (Black fights for the initiative) 33.R3f2 Rf1 34.Rf1 Rd2 35.Rb1 b2 36.Kh2 Kg8 37.Kg3 Kf7 38.Kf3 Ke6 39.e4 g5 40.g3 Rd3 41.Kg4 Rb3 42.h4 gf4 43.gf4 Rb5 44.Kg3 f5 45.e5 Kd5 (46.h5 Kd4–+) 0–1. pcmvr (2760) – vbotond (2325), net–chess.com, 2007.

7.Bc4 Nb6 8.Be2 0-0 9.d3 a5 10.b5 Bd7 11.Nc3 Nfd5 12.Qc2 Nc3 (12...Qe8 13.a4=+) 13.Qc3= f6 14.d4 Qe8 (14...c6 15.bc6 Bc6 16.0-0=) 15.Qd3 c6 16.bc6 Bc6 17.0-0 (17.Rb1 Rc8=) 17...Na4 (17...Rc8 18.Rac1=) 18.Bc1 b5 19.e4 Qg6 20.e5 Qd3 21.Bd3 Be7 (21...fe5 22.Ne5 Be5 23.de5=) 22.ef6 gf6 (22...Bf6 23.Ne5 Be5 24.de5=) 23.Re1 Kf7 24.Kf1 (24.Bh7!? Bf3 25.gf3=) 24...Rfd8=+ 25.Be4 Bd5 26.Bd5 Rd5 27.Ra2 (27.Be3 Bd6-/+) 27...b4 (27...Nc3 28.Ra1-/+) 28.ab4 ab4 29.Re3 Rdd8 30.Rb3 (30.Bd2 Nb6 31.Ra8 Ra8-/+) 30...Nc3 31.Ra8 Ra8 32.Bb2 (32.Bb2 Nd5 33.Ke1-/+). Stapinski,Ryszard (1990) – Watorek,Marcin (2195), 52. Championship Poland Semifinal, 2007.

7.Bc4 Nb6 8.Be2 0-0 9.d4 Bd7 10.Nbd2 (10.0-0 a5=) 10...Na4 (10...a5 11.ba5 Ra5 12.0-0=+) 11.Qb3= Nb2 12.Qb2 a6 (12...Be7 13.Ne5=) 13.Nc4 (13.0-0 Bc6=) 13...Rc8 (13...Bc6 14.0-0=) 14.Nd6 (14.0-0 Qe7=) 14...cd6 15.0-0 Ne4 (15...Bc6 16.Rac1=) 16.Rac1 Qf6 (16...Bc6 17.Rc2=) 17.Bd3 d5 (17...Qg6 18.Nh4 Qg4 19.f3 Qh4 20.Be4=) 18.Be4 (18.Ne5 Qe7+–) 18...de4 19.Ne5 Bb5 20.Rc8 Rc8 21.Rc1 (21.Ra1 Qd8 22.a4 Be8=) 21...Qd8 22.h3 (22.Rc2 Qe8 23.h3 f6 24.Rc8 Qc8=) 22...f6 23.Ng4 (23.Rc8 Qc8 24.Ng4 Qc4=) 23...Bc4 24.Nh2 b5 25.Nf1 Rc7 (25...Bd5 26.Qb1=) 26.Rc3 (26.Qc2 f5=) 26...Qc8 (26...Qd5 27.Nd2=) 27.Qc1 (27.Qc2 Qa8+=) 27...Bf1?? (better 27...Qd7=) 28.Rc7+– (28.Rc7 Qc7 29.Qc7+– (29.Qf1 Qc2=)) 1–0. Fournier,Frederic (2090) – Cadet,Yves (1650), Match, 2013.

7.Bc4 Nb6 8.Be2 Bd7 9.0-0 Qe7 10.b5 c6 11.a4 cb5 12.ab5 0-0 13.Ne5 Rac8 (better 13...Nfd5!?=) 14.Ra7+– Be5 (better 14...Rc7!?+–) 15.Be5+– Ra8 16.Rb7 Nfd5 (16...Nbd5+–) 17.e4 f6 18.Bg3 Rab8 (18...Qd8 19.ed5 Nd5+–) 19.Bb8 (19.ed5?! Rb7 20.de6 Be6+=) 19...Rb8 (19...Qd8 20.ed5 Nd5 21.Qc2+–) 20.Rb8 (20.ed5?! Rb7 21.de6 Be6+–) 20...Kf7 21.ed5 Nd5 22.Rh8 (22.Rh8 f5 23.Rh7+–) 1–0. pcmvr – pwillows (2170), net–chess.com, 2014.

7.Bc4 c5 8.bc5 Bc5 9.Qc2 (9.Qa4 Bd6=) 9...b6 10.d4 White threatens to win material: d4xc5 (10.Bf6 Nf6 11.Bb5 Bd7 12.Bf1=) 10...Bd6 (better is 10...Be7!?= is worth looking at) 11.e4 White has a very active position 11...Be7 12.e5 White gets more space 12...Nd5 (12...Nh5!?=) 13.Bd5+/– ed5 Black has the pair of bishops 14.Qc6 Ba6 Black traps the enemy king in the center 15.Qd5 Rc8 16.Nc3 0-0 17.h4 Rc7 (17...Re8 18.Qe4+=) 18.Qe4 (18.Qb3 Bc4 19.Qc2 h6+=) 18...Re8 19.Rc1 (19.h5 h6+=) 19...Qc8 Black has a cramped position (19...Bb7 20.Qf5=) 20.Kd2 White loses the right to castle (20.Qe3!?+=) 20...Rc4 Black has a cramped position 21.Ng5 White has a mate threat 21...Nf8 Black has a cramped position 22.Nd5 White king safety dropped 22...Bb7 23.Ne7 Re7 Opposite coloured bishops appeared 24.Qd3 Rc1 25.Rc1 (25.Bc1? Qg4 26.Re1 h6–+) 25...Qd7 (25...Qg4 26.Qh3 Qh3 27.Nh3 (27.gh3? f6–+) 27...Bg2 28.Nf4=) 26.f3 Covers e4 26...Qd5 (26...h6 27.Ne4+=) 27.Ne4+= Qa5 28.Qc3 Qd5 29.Qc4 (29.Ke1!?+= is worth consideration) 29...Re5= 30.Qd5 Rd5 31.Ke3 Ne6 The isolani on d4 becomes a target 32.g4 (32.Ng5 Rd6=) 32...f6 Controls g5 33.f4 Kf7?? gives the opponent new chances (better is 33...Rd7 and Black is still in the game 34.f5 Nd8+=) 34.f5+/– Nd4?? strolling merrily down the path to disaster (better is 34...Nd8 35.Rc7 Kg8+/–) 35.Rc7+– (35.Bd4?! is much weaker 35...Rd7 36.Nd6 Rd6 37.Rc7 Ke8 38.Rb7 Rd7 39.Rb8 Ke7+–) 35...Ke8 36.Bd4 Rd7 37.Rb7! Decoy: b7 1–0. Filipek,Jakub (2415) – Verlinden,P (1820), Brasschaat op, 2002.

7.Bc4 c6 8.d4 Nb6 (8...0-0 9.Nc3=) 9.Bd3 0-0 (9...a5 10.ba5 Ra5 11.e4=) 10.Nc3 (10.e4 Nfd7+=) 10...Nbd5 11.Qd2 (11.Ne2 a5 12.e4 ab4 13.ed5 ba3 14.dc6 Qb6+=) 11...Nc3 (11...a5 12.ba5 Ra5 13.Ne5=) 12.Bc3 Nd5 13.Bb2 (13.0-0 a5+=) 13...a5 14.ba5 Ra5 15.0-0 f5 16.Bc4 (16.Ne5 Be5 17.de5 b6=) 16...Nf6 (16...b6 17.Rfc1=) 17.Qc2+= b5 (17...Nd5 18.Ne5+=) 18.Bd3 (18.Bb3!?+–) 18...Bb7+= 19.Qb3 (19.Bc3 Ra4=) 19...Nd5= Black prepares b4 20.a4 b4 21.Rfd1 (21.Rfc1 c5=) 21...Rf6 (21...Ba6 22.Ba6 Ra6 23.Rdc1=) 22.e4 fe4 23.Be4 Qf8 (23...Rf8 24.Re1=) 24.Qc2 Rh6 (24...Rf3 A) 25.gf3? Qf4 26.Kf1 Ba6 27.Rd3 Qh2–+ (27...Bd3?! 28.Bd3 Qf3 29.Qb3 Qh1 30.Ke2 Qh2 31.Ke1–+); B) worse 25.Bf3 Qf4 26.Qb3 Qh2 27.Kf1 Ba6 28.Ke1 Qg1 29.Kd2 Qf2 30.Kc1 Be2–+; C) 25.Bh7 Kh8 26.gf3 Qf3 27.Be4-/+) 25.Bc1 Bf4 26.Bf4 Qf4 27.Bd5 Rd5 28.Qd2 Qf8 (28...Qd6 29.Rdb1 c5 30.dc5 Qc5 31.Qe3=) 29.a5 (29.Qe3 Qd6 30.Rd2 Rdh5+=) 29...Ba6 (29...c5!? 30.a6 Ba8=) 30.Rdc1+– c5 31.Rc5 Rc5 32.dc5 Qc5 33.Qd8 Qf8 34.Qb6 e5 35.Qe3 Re6 (35...Qe7 36.Ne5 Re6 37.Re1+–) 36.Ne5 (better 36.Qb3!? Qc8 37.Ng5+–) 36...Qd6+– 37.f4 g5 (37...Bb7 38.Kh1+–) 38.Re1 Bb7 (38...gf4!? 39.Qf4 Re7+–) 39.f5+– (39.fg5?! Qd5 40.Qg3 Qa5+=) 39...Re5? (39...Re7 40.f6 Qf6+–) 40.Qe5 (40.Qg5 Kf8 41.Re5 Qe5-/+) 40...Qe5 41.Re5 Kf7 42.Rb5 Be4 (42...Ba8 43.Rb4 h5 44.Rb6+–) 43.Rb4 Bf5 (43...Ba8+–) 44.a6 Be6 45.Rb7 (45.Rb7 Kf6 46.a7+–) 1–0. Jahr,Ulrich – Winkler,Bogdan, DMR KPZSzach Poland, 2011.

7.Bc4 e5 8.0-0 0-0 9.d4 (9.Qc2 a5=) 9...e4 10.Ne5 (10.Nfd2 Nb6 11.Be2 Re8=). Bardeleben, 1914.

7.Bc4 e5 8.Nc3 0-0 9.Qc2 Nb6 10.Ba2 (10.Be2 a5=+) 10...Qe7 (10...a5 11.Nb5 ab4 12.ab4=+) 11.Ng5 (11.d4 ed4 12.Nd4 a5=+) 11...Bd7 (11...a5 12.Nb5=+) 12.h4 (12.Bb1 h6 13.Nh7 Rfd8=) 12...Rac8 13.Rc1 a6 (13...c5 14.Nce4 Bf5 15.Nf7 Rf7 16.Bf7 Kf8 17.Nd6 Bc2 18.Nc8 Nc8 19.Rc2 Kf7 20.Rc5+=) 14.Qb1 (14.Bb1 h6=+) 14...Ra8 (14...Bc6 15.e4=+) 15.Qd3 Bc6 16.f3 (16.Nce4 Ne4 17.Ne4 Rad8=+) 16...Na4 17.Na4 Ba4 18.Bb1 (Now all is on h7) 18...h6 (18...g6!?=) 19.Nh7 Rfe8 20.Nf6 Qf6 21.Qh7 Kf8 22.f4 Bb5? (22...Bb3 23.fe5 Be5 24.Be5 Qe5 25.0-0=) 23.a4 Bc6 (23...Ba4 24.0-0) 24.0-0+/– Qh4 25.Rc6 bc6 26.Ba2 Ke7 (26...ef4?? 27.Qg7 Ke7 28.Qf7 Kd8 29.Bf6 Qf6 30.Qf6 Kd7 31.ef4+–) 27.fe5 Bb4 28.Rf7 Kd8 29.Qd3 Bd6 30.ed6 (30...Qe1 31.Rf1+–) 1–0. Hort,Vlastimil – Busch,K, Porz, 1983.

7.Bc4 e5 8.d4 e4 9.Ne5 0-0 10.0-0 Qe7N 11.Nd7 Bd7 12.Be2 a5 13.b5 Nd5 14.Nc3 Nc3 15.Bc3 a4 16.Qc1 Qg5 17.Qb2? (better is 17.Qb1 Qh6 18.g3+=) 17...Bh3–+ 18.g3 Bf1 19.Bf1 Rfe8 20.Bc4 Bf8 21.d5 Bd6 22.b6 (22.Bd4 Be5–+) 22...cb6 23.Qb6 Qe7 (23...Rec8 24.Qd4 Qf6 25.Qd2–+) 24.Qb2 Rec8 25.Be2 Rc3! 26.Qc3 Be5 27.Qe1 Ba1 28.Qa1 Qc5 29.Qe5 Qa3 30.d6 Qb4 31.d7 a3 32.Bc4 Kf8 33.Qd5? (better is 33.Qf5 Qc4 34.Qa5–+) 33...Qe7 34.Ba2 (34.Kg2 Rd8 35.Qb7 Kg8–+) 34...Rd8 35.Qb7 Rd7 36.Qb3 g6 37.Qc3 Kg8 38.h4 Rd3 39.Qc8 (39.Qa1 Qd7 40.Qe5 Qf5 41.Qf5 gf5–+) 39...Kg7 40.Kg2 (40.Qc2–+) 40...Qf6 41.Bb1 (41.Qc7 Rd2 42.Qf4 Qf4 43.gf4 Ra2 44.h5–+) 41...Rd2 (41...Qf3 42.Kh3 Rd1 43.Qc3 Kh6 44.Qe1 Re1 45.Be4 Rh1) 42.Be4 Qf2 43.Kh3 h5 (43...Qf1 44.Bg2 Qg2 45.Kg4 h5 46.Kf4 Qf2 47.Ke4 f5 48.Qf5 Qf5) 44.Qc3–+ Kh7 45.Bg6 fg6 0–1. Ileniak,Vasil – Zakharchenko,Arnold (2275), Rodatychi op, 2006.

8.0-0 a5 9.b5 e5 10.d3 Qe7 11.Nbd2 Nb6 12.a4 Bf5 13.Qc2 Nfd7 14.Ne4 (14.Rfc1 Nc5 15.e4 A) < 15...Nc4 16.Nc4 (< 16.dc4 Bg4=+; 16.Qc4?! Be6 17.Qc2 Nd7=) 16...Be6 17.d4 (< 17.Nce5 Nb3=+; 17.Nd6?! cd6 18.Ra3 Rac8=) 17...ed4 18.e5+/– (18.Nd6?! cd6 19.Nd4 Rac8=); B) 15...Bg4=) 14...Nc4 15.Qc4 (< 15.dc4 Bb4 16.Ne1 Nc5-/+) 15...Nb6 (15...Nf6 16.h3=) 16.Qc2 f6 17.Rfc1 Rfc8 18.Nfd2 Nd5 19.Nc4 Bb4 20.Ng3 Bg6 21.e4 Nf4 22.d4 ed4 23.Bd4 Re8 24.Qb3 Qf7 (24...Rad8 25.Be3 Rd3 26.Qa2=) 25.f3 Rad8 26.Qc2. Sternik,Ryszard (1985) – Makowski,Tomasz (1895), EM mem Koryto, 2004.

8.0-0 b6 9.Bb5 Bb7=+ 10.Nd4 (10.Nc3 a5=+) 10...c5-/+ 11.Bc6 (11.bc5 bc5 12.Nc2 Qb8-/+) 11...Bc6 (11...cd4?! 12.Bb7 Bh2 13.Kh2 Qc7 14.f4 Qb7 15.Bd4=) 12.Nc6 Qc7 13.b5 Bh2 (13...a6 14.a4 Bh2 15.Kh1-/+) 14.Kh1-/+ Bd6 15.g3 (15.d4 a6 16.dc5 bc5-/+) 15...Ne5 (15...a6 16.a4–+) 16.Be5 Be5 17.Nc3 (17.d4 cd4 18.ed4 Bd6–+) 17...Nd5 (17...a6 18.d4 cd4 19.ed4 ab5 20.Qf3–+) 18.Nd5-/+ ed5 19.Rb1 (19.d4 Bf6-/+) 19...Rfe8 (19...a6 20.d4 Bf6 21.dc5 ab5 22.Qd5=+) 20.Kg2 (20.d4 cd4 21.ed4 Bf6-/+) 20...Bf6 (20...a6 21.d4 Bf6 22.dc5 ab5 23.Qd5 bc5 24.Rb5=) 21.Rh1 g6 (21...a6 22.a4-/+) 22.Qf3 (22.d4 a6 23.dc5 ab5 24.Qd5 bc5 25.Rb5 Ra3 26.Rc5 Rc3=) 22...Qd6 23.Rh3 (23.d4 a6 24.dc5 bc5-/+) 23...Bg7 (23...a6 24.a4–+) 24.Rbh1 (24.d4 a6 25.dc5 Qc5 26.Rh7 ab5-/+ (26...Kh7?? 27.Qf7 d4 28.Rh1 Qh5 29.Rh5 gh5 30.Nd4+–)) 24...h6 (24...a6 25.a4 h6-/+) 25.g4 (25.d4!?-/+) 25...a6–+ 26.a4 Re4 27.d4 c4 (27...Qe6 28.g5 hg5 29.Qd1–+) 28.Rb1 (28.R1h2 Rc8-/+) 28...ab5 29.ab5 Ra2 (29...Qe6 30.Rg3–+) 30.Rhh1 (30.Rg3 Qe6–+) 30...Qe6 31.Kg3 (31.Kf1 Bf8 (31...Qg4?! 32.Qg4 Rg4 33.Nb4=) 32.Ne5 g5–+) 31...f5 (better 31...Bf8 32.Rbe1 Bd6 33.Kg2 Qg4 34.Qg4 Rg4 35.Kf1 Kg7–+) 32.Rh4?? (32.gf5 gf5 33.Rbg1–+) 32...g5 33.Rh5 (33.gf5 Qd6 34.Kg2 Rh4–+) 33...Rg4 (better 33...Re3! 34.Qe3 f4 35.Kh3 fe3–+) 34.Kh2 Re4 (better 34...Qe4!? 35.Qe4 Rf2 36.Kh1 Re4 37.Rh3–+) 35.Kg1 Ra8 (35...f4 36.ef4 Rf4 37.Qd5 Qd5 38.Ne7 Kh7 39.Nd5 Rff2 40.Rd1–+) 36.Qe2 (36.Qh3–+) 36...f4 37.Re1 fe3 38.fe3 Re8 (38...Ra3 39.Qf3–+) 39.Kf2 Rf8 (39...Re3! 40.Qe3 Qf7 41.Qf3 Qf3 42.Kf3 Re1 43.Nb4–+) 40.Kg3 c3 (better 40...g4 41.Kg2 Rf3–+) 41.Kh2 Re8 (better 41...c2 42.Rh3 Ref4 43.ef4 Qe2 44.Re2–+) 42.Rh3 g4 (42...Bd4 43.Nd4 Rd4 44.Rd1 Rd1 45.Qd1–+) 43.Rg3 h5 44.Qa2 (44.Kh1 Bh6 45.Qd3 Qf6–+) 44...h4 (better 44...Qd6!? 45.Nb4 h4 46.Qd5 Qd5 47.Nd5 hg3 48.Kg3 Bd4 49.Rc1 Be5 50.Kf2 Rf8 51.Kg2–+) 45.Rg2 g3 46.Kh1 Bd4! 47.Rge2 (47.Nd4 Qh3 Double attack; 47.ed4 Qh3 Mate attack) 47...Be3 (47...Re3 48.Nd4 Qe4 49.Nf3 Qf3 50.Kg1 Re2 51.Re2 Qe2 52.Qd5 Re6 53.Qg5 Kf7 54.Qf5 Kg7 55.Qg5 Rg6 56.Qf4 Qh2 57.Kf1 Rf6 58.Qf6 Kf6 59.Ke1 Qd2 60.Kf1 Qf2) 48.Re3 Re3 49.Re3 Qh3 50.Kg1 Qh2! (50...Qh2 51.Qh2 gh2 52.Kh2 Re3–+) 0–1. Fonseca,Breno Caetano (1800) – Da Silva,Lucas Henrique (2030), Foz do Iguacu BRA, 2nd Open, 2012.

8.0-0 b6 9.Nc3 Bb7 10.Nb5 Qe7 11.Rc1 Ng4 12.Nd6 Qd6 13.g3 Rad8 14.d4 Ndf6 15.b5 h5 16.Qe2 Ne4 17.Rcd1 (17.Rc2 Rfe8+=) 17...f6 (17...c6!?=) 18.Nd2+= Ng5 19.f3 f5 20.Kg2 h4 21.e4 fe4 22.Ne4 (worse is 22.fg4 e3 23.d5 ed5-/+) 22...Be4?? (better is 22...Rf3 23.d5 Ne3 24.Kg1 Rf1 (worse is 24...Ne4 25.Qf3 Nf1 26.Qe4 Nh2 27.Rd3 ed5 28.Kh2=) 25.Rf1 Ne4 26.Qe3 Bd5+=) 23.fe4+/– Nh2? (better is 23...h3 24.Kh1 Nh6+–) 24.e5?? (24.Rf8 Rf8 25.e5+/– (25.Kh2 Qg3 26.Kh1 Rf2 27.Qf2 Qf2–+)) 24...Qe7?? (better is 24...Nf1 25.gh4 Qe7–+) 25.Kh2+– hg3 26.Kg3 Nf7 27.Qg4 Rde8 28.Rf6 Nd8 29.Rdf1 Qd7 30.Qg6 Rf7 31.Rh1 Rf6 32.ef6 Qd6 33.Kg2 Kf8 34.Qh7 Kf7 35.Qh5 (35.Qh5 Kf6 36.Qe8 g6 37.Rf1 Kg7 38.d5 e5 39.Be5 Kh6 40.Bd6 Nf7 41.Bf8 Kh5 42.Be2 Kh4 43.Qf7 a6 44.Qf4; 35.Qg7) 1–0. Jonsson,Pall G – Gummesson,Ingvar (1955), Reykjavik ISL, Nordic Senior Ch, 2011.

8.0-0 b6 9.Nc3 Bb7 10.Nb5 Be7 11.d4 a5 12.ba5 Ra5 13.Nd2 Ne4 14.Nb3 Ra8 15.Bd3 Nd6 16.Nc3 Ba6 17.f4 c5 18.dc5 Nc5 19.Nc5 bc5 20.Rf3 Bd3 21.Qd3 Nf5 22.Qc2 c4 23.Ne4 Qd3 The pressure on the isolated pawn grows 24.Qd3 cd3 25.g4 (25.Nf2 d2 26.Rd1 Ba3-/+) 25...Nd6 (25...Nh4 26.Rh3-/+) 26.Nd6+= Bd6 27.a4 (27.Rd1 Ba3 28.Bd4 Rfd8=) 27...Rfb8 28.Bc3 Rb3 29.Bd2 Bb4 (29...f5 30.h3-/+) 30.Rf2 Bd2 (30...Bc5!?+=) 31.Rd2= g6 32.Kf2 Ra5 33.Ke1 (33.e4 h5 34.g5 Rb4+=) 33...Rb4 Exerts pressure on the isolated pawn 34.Rda2 e5 35.fe5 Rg4 36.Kd2 Re4 37.Ra3 ½–½. Jonsson,Pall G – Gustavsson,S (2025), ch–Nordic Senior, 2011.

8.0-0 b6 9.d4 Bb7 10.Nbd2 c5 11.bc5 (11.dc5 bc5 12.Bb3 Qb8=) 11...bc5 12.Rb1 Nb6 13.Bd3 Rc8 14.Rc1 (14.dc5 Bc5 15.Qe2 Qe7=) 14...Qe7 15.a4 (15.dc5 Rc5 16.Rc5 Bc5=) 15...cd4+= 16.Bd4 (16.Nd4 Rc1 17.Bc1 Rc8+=) 16...e5 17.Bb6 ab6 18.Bb5 (18.e4 Nd7-/+) 18...Rc1 19.Qc1 e4 (19...Rc8 20.Qb2-/+) 20.Nd4+= Qe5 (20...Bc5 21.Nc4+=) 21.g3 Qh5 (21...Rc8 22.Qb2=) 22.Rd1 (22.Be2!? Ng4 23.Bg4 Qg4 24.Qb2=) 22...Ng4+= 23.Nf1 Ne5 24.Nd2 Nd3 25.Qb1 (25.Bd3 ed3 26.f3 Ba6+=) 25...Nf2 26.Be2 Ng4 27.Nf1 Bc5 28.a5 Qg5 Exerts pressure on the isolated pawn 29.Qb3 Rd8 30.Ne6+= fe6 Increasing the pressure on the isolated pawn on e3 31.Rd8 Qd8 32.Bg4 g6 33.Qe6= Kg7 34.Qe5+= Kh6 35.ab6 Qb6 36.Kf2 Bd6 37.Qd4 Bc5 38.Qe5 Bd6 39.Qd4 Qd8 40.Nd2 Qf8 41.Kg1 Bc5-/+ 42.Qc3 Ba6 43.Bh3 Bd3 44.Nf1 Qd6 45.Qb2 Bf1 46.Bf1 Be3 47.Kg2 Bd2 48.Qb5 Bg5 49.Qa6 Qd2 50.Qe2+= Qd5 ½–½. Emberger,Rene (2115) – Klinkan,Elisabeth (2000), Graz op–A, 2004.

8.0-0 Nb6 9.Be2 =.

8.0-0 e5 9.d4 (9.d3 a6=) 9...Qe7 (9...e4 10.Ne5=) 10.de5= Ne5 11.Be2 (11.Ne5 Be5 12.Be5 Qe5=) 11...c6 (11...Rd8 12.Qc2=) 12.Nbd2 Bf5 (12...Rd8 13.Qc2=) 13.Ne5 ½–½. Vidonyak,Nellya (2225) – Brecht,Anselm (2260), Oberliga Ost–B, 2002.

8.0-0 Re8 9.Qc2 (9.d4 Nb6 10.Bd3 Bd7+=) 9...Nf8 (9...a5 10.b5=) 10.e4 (10.d4 a5+=) 10...Be7 (10...e5 11.Ng5 Be6 12.f4 Bc4 13.Qc4+=) 11.Nc3 (11.d4 c6+=) 11...a6 12.Rad1 c5 (12...c6 13.d4+=) 13.bc5 White launches an attack 13...Bc5 14.d4 Ba7 (14...Be7 15.Bb3+=) 15.e5 N6d7 16.d5 (16.Ne4 b5 17.Be2 Re7+/–) 16...ed5+= 17.Nd5 Kh8 (17...b5 18.Bb3 Ne6 19.Qe4+=) 18.Ba2+/– Bb8 19.Rfe1 Qa5?? (better is 19...Kg8+/–) 20.Ng5+– h6 (20...Nc5 21.Bc3 Qa4 22.Nf7 Kg8 23.Nd6+–) 21.Nf7 Kg8 22.Nb4 (better is 22.Nh6 Kh8 23.Nf7 Kg8+–) 22...Ne6 (22...Ne5 23.Nh6 Kh8 24.Nf7 Kg8 25.Nd6 Be6 26.Re5 Qb6 27.Be6 Ne6+–) 23.Nh6! gh6 24.Qg6 Kf8 White now must not overlook the idea Nxe5 25.Be6 Re6 26.Qe6 Qd8 27.Qh6 Ke8 (27...Kf7 28.e6 Ke8 29.ed7 Kf7 30.Qg7) 28.e6 (28.Qh8 Ke7 29.Nd5 Kf7 30.e6 Kg6 31.Qg7 Kh5 32.Qh7 Kg5 33.h4 Kg4 34.Ne3 Kf4 35.Qf5) 28...Qc7 (28...Ne5 29.Be5 Qd2 30.Qh5 Kd8 31.Bf6 Kc7 32.Qc5) 29.ed7 Kd8 30.Bf6# (30.Qf6#) 1–0. Smith,Mike – Lapides, Canada, 1999.

8.Qc2 e5 9.Nc3 Nb6 10.Bd3 c6 11.h3 Qe7 12.0-0 h6 13.Rfc1 Bd7 14.Rab1 Nbd5 15.Ne4 Ne4 16.Be4 f5 17.Bd5 cd5 18.d4 e4 19.Ne5 Be6 20.Qe2 Qg5=+ 21.g3 Be5 22.h4 Qg6 23.de5 f4 24.ef4 Rf4 25.h5 Qg5 26.Rc7 Rf3 27.Bd4 Rd3 28.Be3 Qe5 29.Rb7 d4 30.Bf4 Qf5 31.Rc1 Ra3–+ 32.Qb2 Rd3 33.Qe2 Rb3 34.Qd1 Bd5 35.Re7 Rd3 36.Qe1 Rc8 37.Rc8 Qc8 38.Qe2 Qh3 39.Re8 Kf7 40.Rd8 Bb3 41.Bd2 Qf5 42.Bf4 Ke7 43.Rd6 Rd1 44.Kg2 d3 45.Qb2 Qg4 46.Qe5 Kf7 47.Qe4 Be6 48.Qg6 Qg6 ½–½. Caissa – ETC_Chess, ACL–T052 playchess.de, 2003.

8.d4 c6 9.0-0 b6 (9...a5 10.ba5 Qa5 11.Qc2=) 10.Nc3 (10.Qc2 Qc7+=) 10...Nd5 (10...a5 11.b5 Bb7 12.bc6 Bc6 13.Nb5=) 11.Qc2 (11.e4 Nc3 12.Bc3 Bf4+=) 11...Bb7 (11...a5 12.Bd3 N7f6 13.e4 ab4 14.Nd5 ed5 15.e5 (worse 15.Qc6 de4 16.Qa8 ed3+=) 15...ba3 16.ed6 Qd6 17.Qb3+–) 12.Bd3 (12.e4 Nc7+=) 12...g6 (12...f5 13.Nd5 cd5 14.Rfc1+=) 13.e4 (13.Rfc1 a5 14.Nd5 cd5 15.ba5 Ra5+=) 13...Nc3 (13...Nf4 14.Bc4+=) 14.Bc3 Bf4 (14...c5 15.bc5 bc5 16.Rfb1+=) 15.g3 (15.Rad1 a6+–) 15...Bh6+= 16.e5 (16.Rad1!?+=) 16...Rc8 17.Be4 (17.Be2 c5 18.dc5 bc5=) 17...Ba8 (17...f5 18.ef6 Nf6 19.Ne5=) 18.Rfd1 (18.Bd2 Bd2 19.Nd2 c5 20.Ba8 cb4=) 18...Qc7 (18...f5!? 19.ef6 Nf6=) 19.Bd2+= Bg7 20.Rac1 c5 21.Ba8 Ra8 22.Qa4 (22.bc5!? bc5 23.Qe4+=) 22...Qb7= 23.bc5 Qf3 24.Qd7 bc5 25.dc5 Qa3 (25...Rfd8 26.Qb5 Be5 27.c6=+) 26.Bf4+= Rfd8?? (26...Rfc8 27.c6+=) 27.Qb5 (better 27.Qd8 Rd8 28.Rd8 Bf8 29.Bh6 Qc1 30.Bc1+–) 27...Rd1+= 28.Rd1 Qc3 (28...Qf3 29.Rd7+=) 29.Rc1 (29.c6 Qf3 30.Rc1 Qa3+–) 29...Qd4 (29...Qa3 30.c6 Qf8 31.c7+–) 30.c6 Qb6?? (better 30...Rc8+–) 31.Qb6+– ab6 32.Be3 (better 32.c7 Bf8 33.c8Q Rc8 34.Rc8+–) 32...Be5+– 33.Bb6 Rc8 (33...Kf8 34.f4 Bf6 35.Kf2+–) 34.f4 Bc7 35.Bd4 Bd6 (35...Kf8 36.Kf2+–) 36.Kf2 Kf8 37.Bf6 (37.Ke3 Ke7+–) 37...Ke8 (37...Be7 38.Be5+–) 38.Ke3 Be7 (38...h6 39.g4+–) 39.Be5 f6 40.Bd4 Bd8 (40...Ba3 41.Rc2 Ke7 42.Ke4+–) 41.g4 (41.Ke4 Ke7 42.Bc3 h6+–) 41...Ke7 42.g5 (42.Bc5!? Ke8 43.Ba3+–) 42...fg5= 43.fg5 (43.Bc5 Kf6 44.Bd4 Kf7=) 43...Kd6 44.Bf6 (44.h4 Rc6 45.Rd1 Bc7 46.Bf6 Kc5=) 44...Bb6 45.Ke4 Bc5 (45...Rc6!? 46.Rd1 Kc7=) 46.c7 ½–½. Haisma,Henk (1615) – Van Willigen,Jan, Dieren NED, Dutch Open–B, 2013.

8.d4 c6 9.Nbd2 a5 10.b5 Nb6 11.bc6 bc6 12.Bd3 c5 (12...Nbd5!?=) 13.dc5+= Bc5 14.Qc2 Be7 15.0-0 Ba6 16.Ba6 Ra6 17.Rfd1 Qa8 18.Ne5 Rc8 19.Qd3 Na4 20.Bd4 Nc5 21.Bc5 ½–½. Fournier,Frederic (2095) – Savic,Dragoljub, Northern Lights Team League Match, 2005.

8.d4 c6 9.Nbd2 Qe7 10.Qc2+= e5 11.Nh4 (11.Ng5 ed4 12.Bd4 h6=) 11...Nb6= 12.Bd3 Re8 (12...a5 13.Nhf3 A) 13...ab4? 14.de5 Be5 15.Be5+– (15.Ne5?! ba3 16.Bd4 Nbd5+–); B) 13...e4 14.Ne4 Ne4 15.ba5 Nf2 16.Kf2 Ra5=) 13.Bf5 (better is 13.de5!? Be5 14.Be5 Qe5 15.0-0=) 13...g6-/+ 14.Bc8 Rac8 15.de5 Be5 16.Nhf3 Bb2 17.Qb2 Nbd5 (17...c5!? 18.bc5 Na4-/+) 18.0-0+= Ne4 (18...c5 19.bc5 Rc5 20.Rac1+=) 19.Ne4= Qe4 20.Rfd1 a6 (20...Rcd8 21.Rac1=) 21.Rd4 Qf5 22.Rad1 Re6 23.h4 h6 24.Qc1 (24.a4 Rce8+=) 24...Kh7?? (better is 24...Rce8=) 25.Rd5!+– (25.Rd5 cd5 26.Qc8+–) 1–0. Hottgenroth,Walter – Altrock,Rainer (2100), Kleve op, 2000.

8.d4 Qe7 9.Nc3 a5 10.ba5 Ra5 11.Nb5 Nb6 12.Be2 Bd7 13.Nd6 Qd6 14.0-0 Rfa8 15.Ne5 Bb5 16.Bb5 Rb5 17.Qe2 Rb3 The pressure on the isolated pawn grows 18.h3 (18.Qc2 Qd5=) 18...Qd5 19.Rfc1 Na4 20.Rc2 (20.Rab1 c6=) 20...c5 (worse is 20...Rb2 21.Rb2 Nb2 22.Qb2=) 21.Rac1 b5 (21...Nb2!? 22.Rb2 cd4 23.Rb3 Qb3 24.ed4 Qa3+=) 22.dc5= Rb2 23.Rb2 Qe5 24.Rb5 Nd5 25.Rb7 Qe4? (better is 25...Rc8+/–) 26.Qa6!+– Rd8 (26...Ra6 27.Rb8 mate) 27.Qd6!! Re8 (27...Rd6 28.Rb8 Mate attack) 28.Rb8 Nf6 29.c6 (29.c6 h6 30.c7+–) 1–0. Izquierdo,D (2260) – Michailov,M (2130), Montevideo URU, Men Ch, 2012. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.e3 Bd6 5.Bb2 Nbd7 6.c4 dc4 7.Bc4 0-0)

8.d4 Qe7 9.Ne5 a5 10.b5 Rd8 11.Nd2 Nb6 12.Bd3 (12.Be2 Qe8=) 12...Nfd7 (12...Be5!? 13.de5 Rd3 14.ef6 gf6=+) 13.Qc2 Nf8 14.h4 (14.0-0 Nd5+/-) 14...Be5 15.de5 c6 (15...Nd5 16.Bd4+=) 16.Bd4+/- Rd4 (better 16...Nd5!?+/-) 17.ed4+- Bd7 18.Qc5 Qc5 (18...Qd8 19.Rb1 cb5 20.Bb5+/-) 19.dc5 Na4 20.Ne4 (20.b6 Nc5 21.Rh3 Be8+-) 20...Ng6 (20...cb5 21.Rc1+/-) 21.h5 (21.Rb1!?+/-) 21...Ne5+= 22.Bc2 cb5 23.Ba4 ba4 24.0-0 (24.0-0-0!?+=) 24...Bc6=+ 25.f3 f5 (25...Nd3!?=+) 26.Ng5= Bd5 27.Rfe1 (27.Ne6!? Rc8 28.Rfe1+=) 27...Nd3=+ 28.Re6 Be6 29.Ne6 Re8 (29...Rc8 30.Rb1 Nc5 31.Nc5 Rc5 32.Rb7-/+) 30.Nd4 (30.Rd1 Re6 31.Rd3 Re5=+) 30...Nc5 31.Nf5 Re5 32.g4 b5 33.Rc1 Kf8 (33...Ne6 34.Rb1-/+) 34.Kf2?? (better 34.f4 Nd3 35.Rc8 (35.fe5 Nc1 36.e6 b4 37.e7 Ke8 38.Nd6 Ke7-+) 35...Re8 36.Re8 Ke8 37.Nd6 (37.Ng7? Kf7 38.Nf5 b4-+) 37...Kd7 38.Nb5 Nf4 39.Kf2=+) 34…Nd3-+ (34...Nd3 35.Kg3 Nc1-+) 0-1. Davainis,M (2105) - Mohamed,Faisal (2150), 26th Abu Dhabi Masters, 2019. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 Bd6 5.e3 Nbd7 6.c4)

9.Qc2 a5 10.b5 =.

9.Qc2 e5 10.d3 Nb6 11.Nbd2 a5 12.Bb3 (12.Rfc1 Nfd5 13.b5 A) < 13...Nc4 14.dc4 (14.Qc4?! Be6=) 14...e4 15.Qe4+/–; B) 13...Bg4=) 12...Bg4 13.h3 Bh5 (13...a4 14.Ba2 Bf5 15.Rac1=) 14.Nh4 (14.Rfc1 a4 15.Ba2 Rad8=) 14...ab4 (14...Qd7 15.Nhf3 Rfe8 16.Rfc1=) 15.Nf5 Qd7 16.Nd6 cd6 17.ab4 Rac8 18.Qb1 (18.Nc4 Nbd5 19.Qd2 b5=) 18...Nbd5 (18...Qb5 19.Ra7=) 19.Re1 (19.g4 Bg6 20.g5 Qh3 21.gf6 Qg4 22.Kh2 Qh5 23.Kg3 Qg5 24.Kh3 Bf5 25.Kh2 Qh5 26.Kg1 Qg6 27.Kh2 Bd3 28.Qd1 Qh6 29.Kg2 Qg5 30.Kh2 Qh4 31.Kg2 Nb4 32.Rg1 Qg5 33.Kh1 Qf6 34.Rg2-/+) 19...Nb4=+ 20.Ba3 (20.d4 Bg6 21.e4 d5=+) 20...Nfd5 (20...Nbd5!?=+) 21.Ne4= Rfd8 (21...b5 22.Bd5 Nd5 23.Bd6+=) 22.Bd5 Nd5 23.Qb3 Nf6 (23...Qe6 24.Ng5 Qf6 25.Nh7 Kh7 26.Qd5=) 24.Nd6= Rc6 25.Nc4 Qc7 26.e4 (26.Bb2 Rc5=) 26...Bg6 (26...Rc8=) 27.Ne3 (27.Bb2 Nd7=) 27...h6 (27...Rc3 28.Bd6 Qc6–+) 28.Rec1 (28.Reb1 Rd4=) 28...Qd7 29.Qb2 (29.Rc6 bc6 30.Nc4 Qd3 31.Qd3 Rd3 32.Ne5+=) 29…Rc1=+ (29...Qd3?? 30.Rd1+–) ½–½. Winiger,Albert – Woelfelschneider,Peter, TT–07 ETC, 2003.

9.d3 a6 10.e4 (10.d4 e5=) 10...e5 11.Qc2 (11.Nc3 Nb6=) 11...b5=+ 12.Bb3 c5 13.Nc3 Bb7 14.Nh4 g6 (< 14...cb4 15.Nf5 Qd8 16.Nd6 bc3 17.Bc3+=) 15.bc5 Nc5 16.Nf3 Rac8 17.Rac1 Nh5 (17...Rc7 18.Rb1=+) 18.Nd5 (18.Bd5 Nf4 19.Bb7 Qb7-/+) 18...Bd5 (18...Qe6 19.Ba2=+) 19.Bd5= Nf4 (19...Nf6 20.d4 ed4 21.Bd4 Nd5 22.ed5=) 20.d4 Ncd3 (20...ed4 21.Bd4 Qd7 A) 22.Bc5 Qg4 (< 22...Bc5 23.Ne5 Qd6 24.Nf7 Rf7 25.Bf7 Kf7 26.Qb3 Ke7 27.Rcd1-/+; 22...Nd5?! 23.Qa2 Bc5 24.ed5=+) 23.g3 Rc5–+ (23...Bc5?! 24.Ne5 Qg5 25.Nc6 Ba3 26.Rcd1-/+; 23...Nd5?! 24.Qd3 Rc5 25.Rc5 Bc5 26.ed5=+); B) 22.Qd1=+) 21.Qc8 Rc8 (21...Nc1 A) < 22.Rc1 Rc8 23.Rc8 Kg7 24.de5 Ba3 25.e6 f6–+ (25...Bb2 26.ef7 Nd5 27.f8Q Qf8 28.Rf8 Kf8 29.ed5-/+); B) 22.Qa6 Nce2 23.Kh1 ed4 B1) 24.Qb5? Rb8 25.Bf7 Kg7–+ (25...Kf7?! 26.Qc4 Kf8 27.Bd4-/+); B2) 24.Bd4 Nd5 25.ed5 Nd4 26.Nd4 Qe5=; B3) 24.Nd4+/–) 22.Rc8 Kg7 23.de5 (23.Ba1 Ba3 (< 23...Nd5 24.de5 Ne5 25.ed5+=) 24.de5 Ne2 25.Kh1 Bc5 26.e6 f6+=) 23...Nb2 (23...Ne2 24.Kh1 Bc5 25.Rb8 Nb2 26.Rb7-/+) 24.ed6 Qd6 25.Ra1 Nd5 26.ed5 Qd5 27.Rcc1 (27.Rc3 Nc4-/+) 27...Nc4 28.Rd1 Qf5 (28...Qe4 29.Nd4-/+) 29.Nd4 Qc5 30.Nc2 (30.Rac1 Qa3 31.Ra1 Qc5–+) 30...Nb2 31.Rd2 Qc3 32.Re2 Nc4 33.h3 (33.f4 Nd2 34.Rd1 Qc2 35.Red2 Qc5 36.Kf1 Qa3–+) 33...a5 34.h4 Kh6 (35.f4 b4 36.ab4 ab4–+) 0–1. Vetter,Udo – Woelfelschneider,Peter, TT–16 ETC, 2005.

9.d3 Rd8 10.Nbd2 =.

9.d4 a5 =.

9.d4 e5 =.

7.bc5 Bc5 8.d4 Be7 9.cd5 ed5 10.Bd3 =.

7.cd5 ed5 8.bc5 Bc5 =.

7.cd5 ed5 8.bc5 Nc5 9.Bb5 Bd7 10.Bf6 Qf6 11.Bd7 Nd7 (worse is 11...Kd7 12.Nc3+/–) 12.Nc3 Nb6 13.Qb3 0-0 14.0-0 Qe6 15.a4 Rab8 16.Nb5 a6 17.Nbd4 Qf6 18.a5 (18.Qb6?? Bh2 19.Kh2 Qb6–+) 18...Nc4 19.d3 Ne5 20.Qd5 Nd3 21.Rab1 The backward pawn on b7 becomes a target 21...Rfd8 22.Qe4 Nc5 23.Qc2 Ne6 24.Rb6 Nd4 25.ed4 Qe7 26.Re1 Qd7 27.Ng5 g6 28.h4 Be7 29.Nf3 Bd6 30.h5 Kg7 31.d5 Qf5 32.Qb2 Kg8 33.hg6 (33.h6 Bf8 34.d6 Bh6 35.Qb4=) 33...hg6= 34.Rd1 Rd7 35.Rb3 Bf8 Attacks the isolani on d5 36.Rbd3 Bg7 37.Qb4 Qf6 38.Qg4 Rbd8 39.Qc4 b5 40.ab6 Qb6 41.Ng5 Qb5 42.Qa2 a5 43.Ne4 a4 44.d6 Qb4 45.f3 Be5 46.Rd5 Bg7?? (better is 46...Bb2=) 47.Ra1 1–0. Fries Nielsen,JO (2430) – Lundstrom,M (2130), Goteborg Open, 2015. (=1.a3 d5 2.b4 Nf6 3.Bb2 Nbd7 4.Nf3 e6 5.e3 Bd6 6.c4 c5)

7.cd5 ed5 8.bc5 Nc5 9.Bf6 Qf6 =.

7.Be2 cb4=+ 8.cd5 ed5 (8...Nd5 9.Bg7 Rg8 10.Bd4-/+) 9.ab4 Bb4 10.0-0 0-0 11.Na3 a6 12.Qb1 Be7 13.Nb5 Nb6 14.Nbd4 Nc4 15.Bc4 dc4 16.Ne5 (16.Rc1!?=+) 16...Qd5-/+ 17.f4 Bc5 18.Qe1 (18.Rc1 b5 19.d3 cd3 20.Rc5 Qc5-/+) 18...b5 19.Qh4 (19.d3 cd3 20.Nd3 Bd6-/+) 19...Ne4 (19...Bb7 20.Rf3–+) 20.Nef3 Bb7 21.Qg4 Nf6 (Black is in command) 22.Qh4 Qh5 23.Qh5 Nh5 24.Nf5 Be4 25.N5d4 Nf4! 26.Ng5? Bd4 27.ed4 Ne2 28.Kh1 Bd3 29.Ba3 Nd4 30.Rf4 Nc2 31.Bf8 Na1 32.Bd6 Bg6 33.h4 Nb3 34.Rf2 Rd8 (35.Bf4 a5–+) 0–1. Tuma,Diego – Uboldi,Alejandro, Villa Ballester op, 1992.

8.Nc3 0-0 9.cd5 ed5 10.Nb5 Bb8 11.Be2 Bf5 12.0-0 Re8 13.Nbd4 Bd7 14.Bb5 Bb5 15.Nb5 Qb6 16.Bf6 Qd6?? (16...Qb5 17.d4 Nd7= (worse is 17...gf6 18.Rb1 Qc6 19.dc5+/–)) 17.Nc3 (better is 17.Nd6 Bd6 18.Be5 Be5 19.Ne5+–) 17...Ne4?? (17...Qf6 18.Nd5 Qd6+/–) 18.Ne2 (better is 18.Bd4+–) 18...Qf6 19.Ng5?? (19.Qb3 Qa6 20.Ned4 Nf6+=) 19...Qe5 (better is 19...Qg5 20.Rb1 Qh6–+) 20.d3?? (better is 20.Nf3 Qh5 21.Ned4=) 20...Qc3 21.d4 a6?? 22.Qb3 Qb4 23.Qb4 Rd8 24.h4 a5 25.f4 b5?? 26.f5 Re8?? 27.Nf4 h5?? 28.a4 ab4= 29.a5 Ra5?? 30.Kh2 g6 31.Kh3 Re6 32.g4 (32.Nfe6 Ra1 33.Ne4 Rf1 34.Nf6 Kh8–+; 32.Nge6 Ra3 33.Ra3 ba3 34.fg6 fg6 35.Nd5 Bd6+–) 0–1. Fabus,Marian (1815) – Bucek,Eduard (1980), SVK–chT2C, 2006.

8.d4 Nce4 9.c5 Bc7 =.

8.d4 Nce4 9.Nbd2 0-0 10.Bd3= Qa5 11.0-0 Nd2 (11...Bd7 12.Nb3 Qd8 13.cd5 ed5 14.Ne5=+) 12.Nd2 Qd8 (12...Bd7 13.Qe2=) 13.c5+= Bc7 14.Qf3 (14.f4 Bd7+=) 14...b6 (14...Bd7 15.Bc3=) 15.Nb3+= Bb7 16.Rac1 Rc8 (better 16...Qd7+=) 17.c6 (17.Rc2 Qd7 18.Rfc1 Qa4+=) 17...Ba8 (17...Qd6!? 18.g3 Bc6-/+) 18.Ba6= Rb8 (18...Qd6 19.Qg3+=) 19.a4 (19.Bb5 Qd6 20.Qg3 Rbc8=) 19...Ne4 (19...Qd6 20.Qg3 Qe7 21.Ba3 Qa3 22.Qc7 Bc6 A) 23.Qa7?? Ba4 (23...Qb3?! 24.Rc6 Qa4 25.Rb6 Rb6 26.Qb6=) 24.Nd2 Qb4-+; B) 23.Qc6 Qb3 24.Qb5 Qb5 25.ab5=) 20.Bd3 (20.Ba3 f5 21.Bf8 Qf8+/-) 20...f5 (better 20...Qd6 21.Qf4 Qe7=) 21.Rfd1?? (21.Ba3!? Rf6 22.Rc2+/-) 21...Rf6 (better 21...Qd6!? 22.g3 Qb4-+) 22.g3 (22.Rc2 Qe7=) 22...Rh6 (22...Qd6 23.Qf4 Qe7 24.Ba3 Qa3 25.Qc7=+) 23.Be4 (23.Qe2!?+=) 23...fe4= 24.Qg2? (better 24.Qe2!?=) 24...Qd6 (24...Qe8 25.Rd2 b5-/+) 25.Nd2 (25.Rc2 Qb4 26.Nd2 Qa4-/+) 25...Rf8 (25...Bc6 26.Rc3 Ba4 27.Rdc1-+) 26.Ra1 (better 26.Rc2 Rc8 27.Rdc1-/+) 26...Rhf6?? (better 26...Qc6 27.Rdc1 Qd7-+) 27.Ba3+= Qc6 28.Bf8 Rf8 29.Rdc1 Qd7 30.Rc2 (30.a5 ba5 31.Nb3 Bc6+=) 30...Bd6 (30...Bd8 31.a5+=) 31.a5+= ba5 (31...b5 32.Nb3+=) 32.Ra5 Bb4 (32...Bc6 33.Qh3 Rf6 34.Nb3+/-) 33.Ra1 (33.Ra6 e5+/-) 33...Bc6+= 34.Rac1 (34.f4 Bb5+=) 34...Bb5 35.Nb3 (35.f4 Qd6+=) 35...Bc4 36.Nc5 Bc5 37.dc5 Qc7? (better 37...Rc8=) 38.Rc4+- dc4 39.Rc4 (better 39.Qe4 Qc5 40.Qe6 Kh8 41.Rc4+-) 39...Rf5? (better 39...Qa5+=) 40.Qe4+- Re5?? (40...Rf6+-) 41.Qa8 Kf7 42.Rf4 (better 42.c6 Rf5 43.Rb4+-) 42...Kg6 (42...Rf5 43.Ra4 a6 44.Ra6 Qc5 45.Ra7 Kg6 46.Qe8 Kh6 47.Qe6 Rf6 48.Qh3 Qh5 49.Qh5 Kh5 50.Rg7 Kh6+-) 43.Qe8 Kh6 44.Rh4 Kg5 45.Qh5 (45.f4 Kf6 46.fe5 Qe5 47.Rf4 Kg5 48.Kf2 h5 49.h4 Kh6 50.Rf8 Qb2 51.Kf3 Qf6 52.Rf6 gf6 53.c6 e5 54.c7 e4 55.Kf2 a6 56.c8Q a5 57.Qf5 a4 58.Qeg6) 45...Kf6 46.Rf4 Ke7?? (better 46...Rf5 47.Qh4 Kf7 48.Rf5 ef5 49.Qc4 Kf6+-) 47.Qh7 (better 47.Qf7 Kd8 48.Qf8 Kd7 49.Rf7 Kc6 50.Qe8 Kd5 51.Rc7 Re3 52.fe3 Kc4 53.Qa4 Kd3 54.Qd4 Kc2 55.Qc4 Kd2 56.Kf2 a5 57.Rd7) 47...Qc5 (47...Rc5 48.Qg7 Kd6 49.Qf8 Qe7 50.Rd4 Rd5 51.Rd5 ed5 52.Qe7 Ke7 53.Kf1+-) 48.Qg7 Kd6 49.Rd4 Kc6 (49...Rd5 50.Rd5 Qd5 51.Qa7 Qd1 52.Kg2 Qd5 53.f3+-) 50.Qg8 (better 50.Qd7 Kb6 51.Rd6 Ka5 52.Rc6+-) 50...Rd5 51.Qa8 (better 51.Qe6 Rd6 52.Qd6 Qd6 53.Rd6 Kd6 54.Kf1+-) 51...Kb5 (51...Kd7 52.Qb7 Kd6 53.Rd5 ed5 54.Qb8 Kd7+-) 52.Qb7 (better 52.Qe8 Qc6 53.Rb4 Kc5 54.Rc4 Kc4 55.Qc6 Kb4 56.Qe6 Kc5+-) 52...Ka5 53.Rd5 ed5 54.h4 Qc1 (54...a6 55.Kg2+-) 55.Kg2 Qc4 (55...Qc5 56.Qg7 Kb5 57.g4+-) 56.Qa7 Kb4 57.Qd4 Kb3 (57...Ka3 58.h5 Qc6 59.g4+-) 58.h5 Qc6 59.h6! Qh6 60.Qd5 Kb2 61.Qe5 Kc1 62.Qf4 (62.e4 Qh7+-) 62...Qc6 (62...Qh8 63.g4+-) 63.e4 Kb1 64.Qf3 (64.Qf5 Kb2 65.g4 Kc2+-) 64...Qh6 65.e5 Qe6 66.g4 Ka1 (66...Ka2 67.Qf5 Qc6 68.f3 Qc4+-) 67.Qf5 Qd5 68.Kg3 Qb3 69.f3 Qd1 70.e6 Qg1 71.Kf4 (better 71.Kh4 Qf2 72.Kg5 Ka2+-) 71...Qc1 72.Ke5 Qc5 73.Kf6 Qf8 74.Kg5 Qg7 75.Qg6 (better 75.Kh4 Qh6 76.Kg3 Qe3 77.Qf6 Kb1+-) 75...Qe5 76.Kh6 Qh8 77.Qh7 Qf6 78.Kh5 Qe6 79.Qg7 Ka2 80.Qg6 (80.f4 Qe2+-) 80...Qe1 (80...Qe5 81.Qf5 Qh8 82.Kg5 Qg7 83.Kh4 Qh8 84.Kg3 Qb8 85.f4+-) 81.Kh6 (81.Qf7 Kb2+-) 81...Qh1 (81...Qe7 82.Qf5 Qd8+-) 82.Qh5 (better 82.Kg7 Qc1 83.g5+-) 82...Qf3 83.g5 Qf8 84.Kg6 (better 84.Kh7 Qe7 85.Kg8 Qd8 86.Kg7 Qd4 87.Kh7 Qd7 88.Kh6+-) 84...Qe8= 85.Kh6 Qf8 86.Kg6 (better 86.Kh7 Qe7 87.Kg8 Qd8 88.Kg7 Qd4 89.Kh7 Qd7 90.Kh6+-) 86...Qe8= 87.Kh6 Qf8 ½-½. carlos78 (2290) - ChessInstinct (2220), Rated Blitz game, lichess.org, 2015.

8.d4 Nce4 9.Nbd2 Qa5 10.c5 Be7 (10...Ng4 11.Qb3 Bc7= (worse is 11...Nef2 12.Bb5 Bd7 13.Bd7 Kd7 14.cd6+/–)) 11.Bd3 Bd7 12.0-0 Bb5 13.Nb3 Qa6 14.Bb5 Qb5 15.Rb1 0-0 16.Ne5 Nd7? (16...h6 17.f3 Ng5 18.Bc1+=) 17.Nd3?? (better is 17.a4 Qa4 18.Ra1+–) 17...Bg5 18.Kh1 f5 19.f3 Be3 (better is 19...Nef6!?=) 20.fe4+/– fe4 21.Rf8 Rf8 22.Ne5 Ne5 23.de5 Bc5 24.Nc5 (24.a4!? Qb4 25.Nc5 Qc5 26.Bd4+=) 24...Qc5+= 25.Bd4 Qa3 26.Rb7 a5 27.Rc7 (27.h3 Rf7 28.Rb6 Qd3+=) 27...Qb4 (better is 27...Qd3!? 28.Rc1 Qd1 29.Rd1 Rc8-/+) 28.Bc5 (28.h3!? g6 29.Kh2+/–) 28...Qc4= 29.Kg1?? (better is 29.Qg1=) 29...Rf5?? (better is 29...e3 30.Qe1 e2 31.Bf8 Qc7–+) 30.Bd6 (better is 30.Rc8 Kf7 31.Rf8 Kg6 32.Qg4 Rg5 33.Qe6 Kh5 34.Qf7 Kh6 35.Be3+–) 30...Qa6+= 31.Re7 Qc8 (31...Qb6 32.Kh1 Qb5 33.Kg1=) 32.Rc7 Qe8 (32...Qa6!?=) 33.Qc1 Qb5 34.Re7 Qb6 35.Bc5 Qc6? (better is 35...Qb5 36.Be3 Qc4 37.Qc4 dc4 38.Re6 Kf7+/–) 36.Rg7!+– Kh8 (36...Kg7 37.Bf8 Double attack) 37.Ra7 a4 38.g4 (better is 38.Qa3 Qe8 39.Qb4+–) 38...Rf8+/– 39.Kg2 d4 40.Kg1 e3?? (better is 40...d3 41.Ra5 Qc7+/–) 41.Qb1 d3 (41...Qh1 42.Kh1 d3 43.Qd3 Rf1 44.Qf1 a3 45.Qf8) 42.Qd3 Rf1 (42...Qb7 43.Rb7 Rf7 44.Rf7 a3 45.Qh7) 43.Qf1 Qc5 1–0. Romero Jaime,Pedro (1740) – Corredor Gonzalez,Angel L (1815), Madrid–ch Previa–A, 2008. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Bd6 5.e3 Nbd7 6.c4 c5 7.bc5 Nc5)

8.d4 Nce4 9.Bd3 dc4 10.Be4 (10.Bc4 Qa5 11.Nfd2 b5=) 10...Ne4-/+ 11.Qa4 Bd7 12.Qc4 Rc8 13.Qd3 Qa5 (13...Qb6 14.Ra2 Bc6 15.Nc3-/+) 14.Nfd2 (14.Nbd2 Bc6-/+) 14...f5 15.f3 Ng3 16.hg3 Bg3 17.Kd1 Bb5 (better is 17...Ba4 18.Nb3 Qa6 19.Qa6 Bb3 (19...ba6? 20.N1d2+–) 20.Ke2 Rc2 21.Nd2 ba6=+) 18.Bc3+= Qa6 19.Qc2 Ba4 20.Nb3 Qc4 21.N1d2 Qc3 22.Qc3 (better is 22.Rc1!? Qc2 23.Rc2-/+) 22...Rc3–+ 23.Rc1 Rb3 (< 23...Bb3 24.Nb3 Rb3 25.Rh3–+) 24.Nb3? (24.Rc8 Ke7 25.Nb3 Rc8 26.Kd2 Bb3 27.Rh7–+) 24...Bb3–+ 25.Kd2 Kd7 26.Rc3 Bd5 27.Rhc1 Bc6 (28.Kd1 Rc8–+) 0–1. Morozov – Stepanov, corr Odessa, 1990.

8.cd5 0-0 9.d4 Qb6 10.Qc2 Nce4 11.de6 Be6 12.Bd3 =+.

8.cd5 0-0 9.d4 Nce4 10.de6 Be6 11.Nbd2 (11.Bd3 Qb6 12.Qe2 Rac8+=) 11...Qb6= 12.Qb1 (12.Ne4 Ne4 13.Bc1 Qc6=) 12...Bf5 13.Nc4? (better is 13.Bd3 Nd2 14.Kd2 Bd3 15.Kd3=) 13...Bb4–+ 14.Ke2 (14.ab4 Qb4) 14...Qb5 (14...Qe6!? 15.Nfe5 Nf2 16.Qa2 Nh1 17.ab4–+) 15.Qa2 Be6 16.Nfe5 Rac8 17.Rc1 Nd2 18.ab4 Nc4 19.Nc4 Rc4–+ 20.Kd1 Rc1 21.Bc1 Qf1! 22.Rf1 Ba2 (...43 moves, cont unknown) (23.f3 Bb3 24.Ke1 Rd8–+) 0–1. Timofeyev – Stepanov, corr Odessa, 1983.

8.cd5 0-0 9.Bf6 gf6 10.d4 Ne4 11.de6 +/–.

8.cd5 0-0 9.Bf6 Qf6 10.d4 Ne4 +=.

8.cd5 ed5 9.Bb5 Bd7 10.Bd7 Nfd7 11.0-0 =.

8.cd5 ed5 9.Bf6 Qf6 =.

8.Ne5 0-0 9.d4 Be5 10.de5 =+.

8.Ne5 Bd7 9.Nd7= Qd7 (9...Ncd7 10.cd5 ed5 11.Bf6 Qf6 12.Nc3=) 10.Nc3 (better is 10.Bf6!? gf6 11.d4+/–) 10...0-0= 11.d4 Nce4 12.c5 Bc7 13.Qc2 (13.f3 Nc3 14.Bc3 b6=) 13...Ba5 14.Bd3 Rfc8 15.0-0 (15.f3 Nc5 16.dc5 Rc5–+) 15...Nc3 (15...Bc3 16.Bc3 b6 17.Be4 Ne4 18.f3 Nc3 19.Qc3=+) 16.Bc3 Bc3 17.Qc3 b6 18.Rfc1 (18.Rab1 bc5 19.dc5 Qc6=) 18...Rc7 (18...bc5 19.dc5 Qc6 20.Qa5=) 19.Rab1+= g6 20.c6 Qd6 21.f3 Rd8 22.Bb5 Kf8 23.Qb4 Ke7 24.Ba6+/– g5 25.Rc2 h5 26.Bb7 g4 27.Qa4 h4 28.Qa7 h3 29.f4 g3 30.gh3 gh2 31.Kh2 Rh8 32.Rg1 Nh5 33.Qb6 f5 34.Qb4 Rh7 35.Rcg2 Rf7 36.Qd6 Kd6 37.a4 Nf6 38.a5 Rb7 39.cb7 Rb7 40.a6 Ra7 41.Ra1 Ne4 42.Rb2 Kc6 43.Rc1 (43...Kd6 44.Rb6 Ke7 45.Rb7 Kf6 46.Ra7 Nd2 47.Rb7 Nf3 48.Kh1 Ng5 49.a7 Nf7 50.a8Q Kg6 51.Qg8 Kh5 52.Rf7 e5 53.Qg5#) 1–0. Urgelles Paumier,A – Espinosa Estrada,C, corr Carlos M de Cespedes, 2004.

7.Qc2 a6 8.g3 (8.c5 Bc7=) 8...Qe7 (8...dc4 9.Bc4 Nb6 10.Be2=) 9.c5= Bc7 10.Bg2 h6 11.Nc3 e5 12.0-0 0-0 13.e4 d4 14.Ne2 Rd8 15.d3 Nf8 16.Nd2 N6h7 17.f4 f6 18.Rf2 Be6 19.Nc4 Nd7 20.Raf1 Rf8 21.a4 g5 (21...a5 22.Ba3=) 22.f5 Bf7 23.a5 h5 24.h3 Kg7 25.Ra1 Kg8 ½–½. Mosshammer,Michael – Baumgartner,Armin (1640), AUT–ch U16, 2003.

7.Qc2 e5 8.cd5 cd5 9.Nc3 +=.

7.Qc2 Qe7 8.Be2 0-0 9.0-0 e5 10.cd5 cd5 11.Nc3 a6 12.Ng5 h6?? (better 12...e4=+) 13.Nd5+- Qd8 14.Nf6 Nf6 15.Ne4 Bf5 16.Nf6 Qf6 17.Qb3 Qg6 18.Rfc1 Rad8 19.d4 ed4 20.Bd4 Bb8 21.Bf3 Be4 22.Be4 Qe4 23.Qc2 Qh4 24.g3 Qh3 25.Qb2 Qg4 26.b5 Rd5 27.ba6 ba6 28.Qb3 Rh5 29.Qb7 Rb5 30.Qg2 (30.Qa6 Rd5+-) 30...Bd6 31.a4 Rf5 32.Rc6 Rd8 33.Ra6 Qe2 34.Rc6 h5 (34...Be5 35.f4 Qg2 36.Kg2 Bd4 37.ed4+-) 35.Rac1 h4 36.Rc8 Rc8 37.Rc8 Kh7 38.Rc1 Rh5 39.Rf1 (better 39.gh4!? Bf8 40.f4 Qa6+-) 39...h3 40.Qe4 g6?? (better 40...Kg8+-) 41.Qe8 Rf5 (41...Re5 42.Qf7 Kh6+-) 42.Qh8 1-0. carlos78 (2305) - Tenaz82 (2175), Rated Blitz game, lichess.org, 2015.

7.Nc3 a6 8.c5 Bc7 9.Qc2 0-0 10.Be2 e5 11.d3 Re8 12.e4 Nf8 13.Nd1 Ng6 14.g3 Kh8 15.h4 Ng4 16.Ng5 Nh6 17.Ne3 f6 18.Nh3 Ne7 19.g4 d4 20.Nf5 Nhf5 21.gf5 g6 22.fg6 Ng6 23.h5 Ne7 24.Qd2 a5 25.f3 ab4 26.ab4 (26.Qb4?? Ba5 27.Bc3 Bb4 28.Bb4 Bh3 29.Rh3 Rg8–+) 26...Ra1 27.Ba1 Rg8 28.Nf2 Qf8 29.f4 Rg2 30.Bf1 Rg3 31.Bh3 Bh3 32.Nh3 Qg8 33.Bb2?? (33.Kf1 Rf3 34.Nf2 Rf4-/+) 33...Re3?? (33...Rh3 34.Rh3 Qg1 35.Ke2 Qg2 36.Kd1 Qh3 37.Qe2–+) 34.Kd1?? (better is 34.Kf1+=) 34...Qg4–+ 35.Kc1 Rh3 36.Rh3 Qh3 37.fe5 fe5 38.Qf2 Qe3 (better is 38...Ng8!? 39.Qe2–+) 39.Qe3 de3 40.Kd1 Ng8 41.d4 Nf6 42.Ke2 Ne4 43.Ke3 Ng3 44.de5 Kg8 45.Kf4 (45.h6 Kf7 46.Kf4–+) 45...Nh5 46.Kg5 Ng7 47.Kf6 Bd8 0–1. Didenko,Sergei (1685) – Perekhodkin,Vladimir (2170), RUS Central Region–ch U16, 2004. (=1.a3 e6 2.Nf3 d5 3.e3 Nf6 4.c4 c6 5.Nc3 Nbd7 6.b4 Bd6 7.Bb2)

7.Nc3 dc4 8.Bc4 0-0 (8...Nb6 9.Be2 0-0 10.e4 Bf4 11.d4 a5=) 9.0-0 (9.d4 b5 10.Bd3 a5 11.ba5 Qa5+=) 9...Qe7 (9...e5 10.d4 e4 11.Ng5 Nb6=) 10.Qc2 (10.d4 e5 11.Qc2 e4=) 10...a5 (10...Nb6 11.Be2 e5=) 11.b5 c5 (11...Nb6 12.Be2=) 12.d4 cd4 13.Nd4 g6 14.Rfd1 Nb6 15.Na4 Nc4 16.Qc4 Rb8 (16...Bd7!?+=) 17.Nf3+– Rd8 18.Qc3 Kg7 (18...e5 19.Ne5 Ne4 20.Qd4+– (worse 20.Qa5 Bf5 21.b6 Qe8+–)) 19.Ne5 (better 19.Nb6 Bc7 20.Qa5+–) 19...Bd7?? (better 19...Ne4 20.Ng6 Nc3 21.Ne7 Be7 22.Bc3 f6 23.Ba5 Rd1 24.Rd1 Ra8+–) 20.Rd6!+– Qd6 21.Nd7 e5 22.Nb8 Qd1 23.Qe1 Qa4 24.Be5 Qb5 25.Qc3 Qb6 26.Rc1 Qe6 27.f4 (27.Qa5 Rd3+–) 27...Kg8 28.Bf6 Rb8 29.Bh8 f6 30.Bf6 Re8 (30...b6 31.Be5 Re8 32.Bd4+–) 31.Kf2 (31.Bd4 a4+–) 31...b6 (31...a4 32.Bd4+–) 32.Be5 (32.Bd4!? a4+–) 32…b5 1–0. Gelman,Alexander – Shestakov,SS, Ch Moscow (Russia) (8), 1997. (=1.c4 c6 2.Nf3 d5 3.e3 Nf6 4.Nc3 e6 5.a3 Nbd7 6.b4 Bd6 7.Bb2 dc4)

7.Nc3 dc4 8.Bc4 Nb6 9.Be2 =.

7.Nc3 Bc7 8.Be2 0-0 (8...dc4 9.Bc4 Nb6 10.Be2=) 9.0-0 (9.d3 a5=) 9...dc4 10.Bc4 e5 11.Qc2 Nb6 12.Bb3 (12.Be2 Qe7=) 12...Bg4 13.Ng5 Qd7 14.Nce4 Ne4 15.Ne4 Rad8 16.Rac1 (16.d4 ed4 17.Bd4 Bf5=) 16...Bf5 17.d3 (17.Rfd1 Bd6=) 17...Be4 18.de4 Qd3 19.Qd3 Rd3 20.Bc3 Rfd8 21.g4 (21.a4 R3d7=) 21...Kf8 22.Kg2 (22...Ke7 23.Rfd1=). MerchantParkPro (1830) – JurgBehrmann (1820), internet, 2006.

7.Nc3 e5 8.cd5 cd5 9.Qb3 0-0 (9...Nb6 10.Nb5 e4 11.Nd6 Qd6 12.Nd4=) 10.h3 (10.Nd5 Nd5 11.Qd5 Nf6+=) 10...Re8 (10...e4 11.Nd4+=) 11.Nd5 Nd5 12.Qd5 Nb6 (12...Nf6 13.Qc4=) 13.Qb3 (13.Qe4 a5+=) 13...Be6= 14.Qd1 Bd7 (14...Bd5 15.Bb5 Re7 16.Rc1=) 15.Be2 (15.d4 Ba4 16.Qd2 e4+=) 15...e4= 16.Nd4 Qg5 17.g4 (17.g3 Na4 18.Qb3 Nb2 19.Qb2 Be5+=) 17...Rac8 (17...Na4 18.Bc3=) 18.h4 (18.d3 Na4 19.h4 Qe7+=) 18...Qd8 (18...Qe7 19.Rc1=) 19.Bb5 (19.Rc1 Qe7=) 19...Nc4 (19...Be5 20.Bd7 Qd7 21.Bc3+=) 20.Bc3 (20.Bc4 Rc4 21.d3 ed3 22.Qd3 Qc7=) 20...Ne5 (20...Be5 21.Bd7 Qd7 22.Rg1+=) 21.Be2= Qf6 (better is 21...a6=) 22.Rc1?? (better is 22.g5 Qd8 23.Rc1=) 22...Bg4–+ 23.f3?? (better is 23.Qa4–+) 23...ef3 24.Nf3 Nf3 25.Bf3 Qf3 26.Qf3 Bf3 27.Rg1 f6! 28.Kf2 Be4 29.Rg4 Bf5 30.Rgg1 Kf7 31.Ke2 Bg6 32.Bd4 Bh5 33.Kf2 a6 34.Bc5 Bc5 35.bc5 Bg6 36.d4 Be4 37.Ke2 Re7 38.Kd2 Rce8 39.Rg3 Bd5 40.h5 f5 41.Rf1 Kf6 42.Rb1 Re6 43.Re1 Re4 44.Rh3 Rg4 45.Rb1 Rg2 46.Kc3 a5 47.Rb5 a4 48.Rb1 Re2 49.Rb6 Re6 50.Re6 Ke6 51.Kb4 Rb2 52.Ka4 Bc6 53.Ka5 Rb5 54.Ka4 Kd5 55.Rh4 Kc4 56.d5 Kd5 57.Rb4 Rb4 58.Kb4 Ke4 59.Ka5 Ke3 60.a4 0–1. Plani,A (1895) – Znidarcic,A (2190), Open A, Trieste ITA, 2006. (=1.c4 e6 2.Nf3 d5 3.e3 Nf6 4.Nc3 c6 5.a3 Bd6 6.b4 Nbd7 7.Bb2)

7.Nc3 e5 8.cd5 cd5 9.Bb5 0-0 10.d3 Nb6 11.Na4 Na4 12.Ba4 Qe7 13.0-0 Bg4 14.h3 Bh5 15.e4 (better is 15.Bb3!?+=) 15...de4–+ 16.de4 Ne4 17.Re1 (17.g4 Bg6–+) 17...Ng5 18.g4? (better is 18.Qd2 Bf3 19.h4–+) 18...Nh3 19.Kf1 Bg4 20.Qd3 Nf4 21.Qe4 Bh3 22.Kg1 Qf6 (better is 22...Be6!? 23.Rad1 Rad8 24.Be5 Be5 25.Rd8 Qd8 26.Qe5–+) 23.Be5 Be5 24.Qe5 Ne2! 25.Re2 (25.Re2 Qe5 Double attack (25...Qf3 Discovered attack; 25...Qe5 Decoy); 25.Qe2 Qg6 Mate attack) 25...Qf3 26.Qe4 Qf6 27.Qb7?? (better is 27.Qe5 Qh6 28.Rae1–+) 27...Qa1 28.Kh2 Be6 (28...Be6 29.Re3 a5–+) 0–1. Vasilev,Sergey – Marcu,Simon (1875), First Sarurday FM–B June, 2013. (=1.Nf3 d5 2.b4 Nd7 3.Bb2 Ngf6 4.e3 c6 5.c4 e6 6.a3 Bd6)

7.Nc3 Qe7 8.Qc2 0-0 9.Rc1 dc4 (9...a5 10.c5 Bc7 11.Be2=+) 10.Bc4 a5 (10...Nb6 11.Be2=) 11.Ne4 (11.b5 Nb6 12.Be2 Bd7=) 11...Ne4=+ 12.Qe4 ab4 13.ab4 Nf6 (13...Bb4 14.0-0=+) 14.Bf6 (14.Qh4 Bd7=) 14...Qf6 15.Bd3 (15.b5 Bd7=+) 15...g6-/+ 16.b5 Bd7 (16...e5 17.bc6 Bf5 18.Qc4=+) 17.0-0 (17.g4 e5 18.Rg1 Rfb8–+) 17...e5 (17...Rfb8 18.Nd4 Ra4 19.bc6 Bc6 20.Rc6 bc6 21.Qc6 Rd4 22.ed4 Qd4 23.Qc3=+) 18.Be2 (18.Bc4 Rfd8 19.bc6 Bc6-/+) 18...Ra2 (18...Rfd8 19.Ra1-/+) 19.Qb1 (19.Bc4 Ra5=+) 19...Rfa8-/+ 20.Bc4 R2a4 (20...R2a5 21.bc6 Bc6 22.e4=+) 21.bc6 Bc6 22.e4 Kg7 (22...Ba3 23.Rc3-/+) 23.d3 Qf4 (23...R4a5 24.Rc2-/+) 24.Rc2 (24.Qb6 Rb4 25.Qe3 Qe3 26.fe3 f6=+) 24...f5 25.Bd5? (better 25.Rb2 Ra1 26.Qa1 Ra1 27.Ra1 fe4 28.de4 Be4 29.Rd2-/+) 25...Bd5–+ 26.ed5 e4 27.Qb7 (27.de4 fe4 28.Qb7 Kh6–+) 27...Kh6 28.de4 fe4 29.Qd7 (29.g3 Qf3 30.Qb2 Qf5–+) 29...ef3 30.Qh3 (30.g3 Qe5 31.Qh3 Kg7 32.Qd7 Kg8–+) 30...Qh4 31.Qh4 Rh4 32.gf3 Rd4 33.Re1 (33.Rb1 Rd5 34.Rc4 Ra2–+) 33...Rd5 34.Rc4 (34.Re4 Rg5 35.Rg4 Rh5–+) 34...Rf8 (34...Ra2!? 35.Kg2–+) 35.Kg2 Rg5 (35...Rff5 36.Rh4 Kg7 37.Rhe4–+) 36.Rg4 Rgf5 37.Re3 (37.Rh4 Kg7 38.Rd4 Rg5 39.Rg4 Rd5–+) 37...Bf4 38.Ra3 (38.Re1 Kg7–+) 38...R8f7 (38...Kg7 39.Ra7 R8f7 40.Ra6–+) 39.h4 (39.Ra6 Kg7–+) 39...Kg7 40.Ra6 (40.Kh1 h5 41.Rg1 Bd6–+) 40...Bc7 (40...R5f6 41.Ra5–+) 41.Rc6 Bf4 (41...Rf3?! 42.Rc7 Rf2 43.Kg3 Rc7 44.Kf2=+) 42.Ra6 R5f6 43.Ra5 Kf8 44.Ra8 Ke7 45.Ra7 (45.Kf1 Bd6 46.Re4 Kd7 47.Ra7 Kc6–+) 45...Kd6 (45...Ke8 46.Ra8 Kd7 47.Ra7 Kc6 48.Ra6 Kc5 49.Rf6 Rf6 50.Kh3–+) 46.Rf7 (46.Ra3 Kc5 47.Kh3 Rb6–+) 46...Rf7 47.h5 (47.Kh1 Rf5–+) 47...g5 48.Kh3 (48.Kf1 Rc7–+) 48...Re7 (better 48...Rc7!? 49.Rg1 Rc1 50.Rg4–+) 49.Rg1 Re2 50.Ra1 (50.Kg2 Be3 51.Rf1 Ke5–+) 50...Rf2 51.Kg4 Rg2 (better 51...h6!? 52.Ra8–+) 52.Kf5 Rf2 (52...Rd2 53.Ra8–+) 53.Ra3?? (53.Kg4 h6 54.Kf5 Rf3 55.Ra6 Kd5 56.Rh6 Bd2 57.Kg4 Rf4 58.Kg3–+) 53...Kd5 (53...Rd2 54.Ra8–+) 54.Ra7 (54.Rd3 Kc6 55.Rc3 Kd7 56.Rd3 Ke7–+) 54...h6 55.Rh7 (55.Ra3 Bd6 56.Rd3 Kc5–+) 55...Rf3 56.Rh6 Be3 57.Kg4 Rf1 (57...Rf4 58.Kg3–+) 58.Rh8 (58.Rg6 Rh1 59.Ra6–+) 58...Rg1 (58...Rf4 59.Kg3 Bd4 60.Rg8–+) 59.Kf3?? (better 59.Kf5-/+) 59...Bd4–+ 60.Rg8 (60.Re8 Be5 61.Kf2 Rh1–+) 60...Ke5 61.h6 (61.Rg7 Kf5 62.Rf7 Bf6–+) 61...Kf5 62.Rg7 (62.Rf8 Bf6–+) 62...Rh1 (better 62...g4!? 63.Ke2–+) 63.Rd7 (63.Rf7 Bf6–+) 63…Bf6 0–1. Vasut,Karel (2165) – Riska,Lubomir (2215), CZE–chT2d, 2007.

7.Nc3 Nf8 8.d4 dc4 (8...Ng6 9.c5 Bc7 10.Bd3+=) 9.Bc4 N8d7 10.0-0 Nb6 11.Bd3 Nbd5 (11...0-0 12.e4 Be7 13.Rc1+/-) 12.Qc2 Bd7 (12...0-0 13.Ne2 Be7 14.e4+/-) 13.Na4+- 0-0 (better 13...Ng4 14.h3 Nde3 15.fe3 Ne3+-) 14.e4 Nb6 (14...b5 15.ed5 ba4 16.dc6+-) 15.Nb6 Qb6 (15...ab6 16.e5+-) 16.e5 Be5 (16...Be7 17.ef6 gf6+-) 17.de5 Nd5 (17...Ng4 18.Rad1 Kh8 19.Bh7+-) 18.Bh7 Kh8 19.Ng5 Nf4 (19...f5 20.ef6! Nf6 21.Qc4+-) 20.Qe4 Ng6 (20...Nh5 21.Bg6! Qd8+-) 21.Bg6 fg6 (21...Qd4 22.Bd4 Kg8 23.Bc5 fg6 24.Qg6 Rf2 25.Qh7) 22.Qh4 (22.Qh4 Kg8 23.Qh7) 1-0. pcmvr - smoothoperator (2215), net-chess.com, 2021.

7.c5 Bb8 8.Nc3 0-0 =.

7.c5 Bb8 8.d3 e5 9.Qc2 e4 (9...0-0!?=) 10.de4+= de4 11.Ng5 0-0 12.Nd2 The pressure on e4 grows 12...Be5 13.Nge4 Bb2 14.Qb2 Ne8 (14...b6!?+/–) 15.Nc4 Qe7 16.Bd3 Ndf6 17.Ned6 Be6 18.Qc2 (18.Rd1 Rd8+–) 18...b5+/– 19.Ne8?? (19.Na5 Nd6 20.Nc6 Qc7 21.cd6 Qd6+/–) 19...Rfe8?? (better is 19...bc4 20.Nf6 Qf6 21.Bh7 Kh8+=) 20.Nd6+/– Red8 21.0-0 g6 22.e4 Ng4 (22...a5 23.Qb2+/–) 23.h3 Ne5 24.Be2 g5 (24...a5 25.f4 Nc4 26.Bc4 (26.Nc4?! bc4 27.Bc4 ab4 28.Be6 Qe6+=) 26...Bc4 27.Nc4 bc4 28.Qc4 ab4 29.ab4+–) 25.Qc3 Qf6 26.Rad1 g4? (better is 26...Rd7+–) 27.Qg3 Kh8 28.hg4 Rg8 29.f3 Ng6 30.f4 Bb3 31.e5 Qe6 32.Rde1 Qd5 33.Qe3 Nh4 34.Qf2 Ng6 35.Bf3 Qd3 36.Be4 Qc3 37.Bc6 Raf8 38.Be4 Bc4 39.Re3 Qd4 40.Rfe1 Bd5 41.Nb5 Qc4 42.Nd6 Qd4 43.Qg3 Be4 44.Ne4 f5 45.ef6 Rf6 46.Nf6 Qf6 47.f5 Nh4 48.Qf4 Qb2 49.R3e2 Qf6 50.Re7 Qb2 51.R1e2 Qc3 52.f6 Ng6 53.Qf2 Qc1 54.Re1 Qg5 55.f7 Rf8 56.Qd4 1–0. Macedo,A Soares De (1870) – Nogueira,J Da Silva (1625), Fortaleza BRA, 2014.

7.c5 Bb8 8.d4 0-0 9.Nbd2 (9.Bd3 Re8=) 9...b6 (9...e5 10.de5 Ng4 11.Qc2+=) 10.cb6 (10.Bd3!?+=) 10...ab6= 11.Qc2 Qc7 (11...Bb7 12.Bd3=) 12.Rc1= Bb7 13.Bd3 h6 14.h3 (14.0-0 Rc8=) 14...Rc8 15.Nb3 (15.Qb3 c5+=) 15...Qd8 16.0-0 Bd6 17.Qb1 (17.Qe2 Qc7=) 17...Qe7 (17...Ba6 18.Ba6 Ra6 19.Ne5+=) 18.Rfd1 (18.Rfe1 Bc7+=) 18...c5 (18...Ra7 19.Ne5=) 19.dc5 bc5 20.Na5 (20.Bf6 gf6 21.Na5=) 20...Ba6 (20...Rc7 21.Bc3=) 21.Ba6 (better is 21.b5!? Bb5 22.Bf6 Nf6 23.Qb5=) 21...Ra6+= 22.Nb7 Raa8 (22...Rb6 23.Nd6 Qd6 24.Qa1=) 23.Nd6= Qd6 24.e4 Qb6 (24...Ne4? 25.Qe4!? f6 26.Qg4 cb4 27.ab4+–) 25.ed5 ed5 (25...Nd5 26.Qe4=) 26.Qf5 Rc6 27.Re1 cb4= 28.Rc6 Qc6 29.ab4 Qc4 30.Rb1?? g6–+ 31.Qf6 Nf6 32.Bf6 Rb8 33.Ne5 Qf4 34.Ng4 Rc8 35.Bb2 Kf8 36.b5 Rc2 37.Ba3 Kg7 38.b6 h5 39.g3 Qd2 40.b7 hg4 41.Bc5 Rc1 42.Rc1 Qc1 43.Kh2 Qb1 0–1. Ostry,I (2235) – Cast,A (2110), 34th Olympiad Women, Istanbul TUR, 2000. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Nbd7 5.e3 Bd6 6.c4 c6)

7.c5 Be7 8.Qa4 0-0 9.d4 b5 10.cb6 Qb6 11.Bc3 Ne4 12.Bd3 a5 13.ba5 Nc3 (13...Qb7 14.a6 Qb6 15.Qc2=) 14.Qc2 (14.Bh7 Kh8 15.Nc3 Ra5=) 14...Qa5 15.Nc3 (15.Bh7 Kh8 16.Nc3 g6 17.Bg6 fg6-/+) 15...Ba3 (15...h6 16.0-0=) 16.0-0 (16.Bh7 Kh8 17.Bd3 c5+=) 16...Qb4 (16...Nf6!?=) 17.Bh7+/– Kh8 18.Bd3 Qb8 19.Rfb1 Qd6 20.Ra2 Re8 21.Rb3 (21.Ng5 Kg8+/–) 21...e5 22.de5 Ne5 23.Ne5 Re5 24.Nb1 Rh5 25.g3 (25.Na3 Qh2 26.Kf1 Qh1 27.Ke2 Bg4 28.Kd2 Qg1+=; 25.Rba3 Qh2 26.Kf1 Qh1 27.Ke2 Ra3 28.Na3 Qg2+/–) 25...d4?! (25...Qh6+–) 26.Rba3 Ra3 27.Ra3 de3 28.fe3 Qd7 29.Ra8 Re5 30.Nd2 Re8 31.Bf5 (31.Be4 Rd8+–) 31...Qb7 32.Qa4 g6 (32...Qe7 33.Qf4 Bd7+–) 33.Bg6! Kg7?? (33...fg6 34.Ra7) 34.Bf5 Qb6 (34...Bd7 35.Qd4 Kg8 36.Ra7 Qa7 37.Qa7 (37.Qd7?! Qe3 38.Kg2 Qe2 39.Kh3 Qh5 40.Kg2 Re2 41.Kf1 Rd2 42.Qd2 Qf5 43.Ke1 c5=; 37.Bd7?! Qd4 38.ed4 Rd8+–) 37...Bf5 38.Nc4+–) 35.Nc4 (35.Nf1 Bf5 36.Qa1 Kh7 37.Re8 Be6+–) 35...Qc7 36.Qa1 Kf8 (36...f6+–) 37.Qh8 Ke7 38.Qh4 Kf8 39.Qh6 (39.Bc8 Kg8+–) 39...Kg8 (39...Ke7+–) 40.Nd6 Rd8 41.Bh7 Kh8 42.Rc8 (42...Rc8 43.Bf5 Kg8 44.Qh7 Kf8 45.Qh8 Ke7 46.Nc8 Qc8 47.Bc8 Kd6 48.Qd8 Kc5 49.Qd4 Kb5 50.h4 f6 51.h5 f5 52.Bf5 c5 53.Bd7 Kb6 54.Qd6 Kb7 55.Qc6 Ka7 56.Bc8 c4 57.Qb7#) 1–0. Taulien,Hans_Juergen – Tiedemann,Joern, remoteschach.de, 2002.

7.c5 Be7 8.Qa4 0-0 9.Be2 =.

7.c5 Be7 8.Qa4 a5 9.d4 b5 10.Qc2 ab4 11.ab4 Ra1 12.Ba1 Bb7 13.Nc3 Qc7 14.Bd3 0-0 15.0-0 Ra8 16.Bb2 g6 17.h3 Bf8 18.Ne5 (18.Ra1 Ra1 19.Ba1 Bg7+=) 18...Ne5 (18...Bg7 19.f4=) 19.de5 Nd7 (19...Qe5? 20.Ne4 Qe4 21.Be4 Ne4 22.Ra1+–) 20.f4 Qd8 (20...Bh6 21.e4+=) 21.g3 (21.e4 Bg7+=) 21...Bg7 22.Ne2 (22.e4 Qe7+=) 22...Nf8 (22...Ra4 23.Qb3+=) 23.Nd4 (23.e4 Qe7+=) 23...Ra7 24.Kg2 Ra4 25.Bc3 Qa8 26.Rf2+/– Ra3 27.e4 Bc8 28.Bb2 Ra4 29.Qd2 Bd7 30.Bc2+/– Ra2 31.Bb3 Ra6 32.Rf1 Ra7 33.Qe2 Qe8 34.h4 h5 35.g4 Qe7 36.Rh1 Bh6 37.Bc1 hg4 38.Qg4 Bg7 39.Qg3 de4 40.h5 gh5 41.Rh5 Ng6 42.Rg5 Ra1 43.Bb2+/– Rb1 44.Bc3 Kf8 45.Bc2 Rc1 46.Rg4 Bh6 47.Kf2 Rc2 48.Nc2 Qe8 49.Qh2 Bg7 50.Qh1 Qa8 51.Qe4 Qa2 52.Qd3 Qd5 53.Ke2 Bh6 54.Bd2 Ke7 55.Nd4 Kf8 56.Nf3 Qd3 57.Kd3 Ne7 58.Rg1 Nd5 59.Ng5 Bg5 60.fg5 Ne7 61.Ra1 Ng6 62.Ra8 Be8 63.Ke4 Ke7 64.Bc3 Nh4 65.Kf4 Nf5 66.Bd2 Ng7 67.Kg4 Nf5 68.Ra7 Kf8 69.Bc1 Ne7 70.g6 Ng6 71.Bf4 Kg8 72.Ra8 Kf8 73.Bh6 Ke7 74.Bg7 f5 75.ef6 Kf7 76.Ra7 Kg8 77.Kg5 (77...Nf8 78.Re7+–) 1–0. Muri,H – Paravic,Z, 6. EU/MSM/section, 2002.

7.c5 Be7 8.Be2 b6 9.d4 0-0 10.h3 Ne4 11.Nbd2 f5 12.Nh2 bc5 13.dc5 Bf6 14.Bf6 Ndf6 15.0-0 Nc3 16.Qe1 Ne2 17.Qe2 a5 18.Ndf3 Ba6 19.Qd2 Bf1 20.Kf1 Ne4 21.Qb2 Qb8 22.Rb1 ab4 23.ab4 Rf7 24.Ne5 Rfa7 25.Nc6 Qh2 26.Na7 Ra7 27.Rc1 Qh1 28.Ke2 Qg2 29.Kd3 Nf2 30.Kd4 Qe4 31.Kc3 Qd3 0–1. gusanito1973 – blacklab (1675), gameknot.com, 2011.

7.d3 a5 8.c5 Be7 9.Nbd2 =.

7.d4 Bc7 8.Nbd2 0-0 9.Bd3 Qe7 10.Qc2 h6 (10...Re8 11.Ne5+=) 11.cd5 (11.0-0 Rd8+=) 11...ed5 12.b5 (12.0-0 Bd6+=) 12...Nb8= 13.a4 (13.0-0 Be6=) 13...Bd6 14.0-0 Be6 15.Ne5 (15.Rfc1 Rc8=) 15...Rc8 16.Rac1 c5 (16...Rc7 17.Qd1=) 17.dc5+= Rc5 18.Qb1 Nbd7 19.Nd7 Nd7 20.Nb3 (20.Bd4 Rcc8+=) 20...Rc1 (20...Qh4 21.f4 Rc1 22.Rc1+=) 21.Rc1 Ne5 (21...Nb6 22.Bd4=) 22.Bh7 (22.Nd4 Qh4 23.h3 Nd3 24.Qd3 Qg5 25.Ne6 fe6+=) 22...Kh8= 23.Be5 (23.Bd4 a6=) 23...Be5 24.Bf5 (24.Bd3 Qh4 25.f4 Bd6=) 24...Rd8 (24...Qd6 25.h3=) 25.g3 (25.a5 Qd6 26.Kh1 Qa3=) 25...Bf5 (25...Qa3 26.Be6 fe6 27.a5=) 26.Qf5+= g6 27.Qd3 Kg7 (27...Bb2 28.Rc2 Bf6 29.a5=) 28.Rc5 Attacking the isolated pawn on d5 28...Qd6 29.a5 Bf6 30.Kg2 (30.Rc1 Qe7+=) 30...Rd7 (30...Qe5 31.Rc2=) 31.Rc8 Qa3 (31...Rd8 32.Rd8 Qd8 33.h3+=) 32.h4 (32.Ra8 a6+–) 32...h5 (32...Qe7 33.h5 gh5 34.Nc5=) 33.Nc5 (33.Ra8!?+–) 33...Qd3+= 34.Nd3 d4 35.e4 Bd8 36.a6 ba6 37.ba6 Ba5 38.Rc6 (38.e5 Rc7 39.Rc7 Bc7+=) 38...Rc7+= 39.Rd6 Bb6 40.Ne5 Kf8 (40...Rc2 41.Nd7 Ba5 42.Rd4+=) 41.Nc6 Exerts pressure on the isolated pawn 41...Kg7 (41...Rc8 42.Nd4 Rc4 43.Nb5 Re4 44.Nc3=) 42.Ne5 (42.Nd4 Rc4 43.Rb6 ab6=) 42...Kf8= 43.Rd7 Ke8 44.Rd6 Ke7? (better 44...Rc8!?=) 45.Rb6!+– ab6 46.a7! Ra7 47.Nc6 Kd6 48.Na7 Kc5 49.Kf3 b5 50.Ke2 b4 (50...Kc4 51.Kd2 Kc5 52.e5+–) 51.Kd3 b3 52.Nc8 b2 (52...Kb4 53.Nd6 (53.Kd4?? b2–+) 53...f6 54.Nc4+– (54.Kd4 b2 55.e5 fe5 56.Ke5 b1Q–+)) 53.Kc2 d3 54.Kb2 Kd4 55.Nd6 Ke5 (55...f6 56.Kc1+–) 56.Nf7 Ke4 57.Ng5 Kd4 58.Kc1 1–0. Idani,Pouya (2565) – Gholami Orimi,Mahdi (2225), Khazar Cup, 2016. (=1.a3 Nf6 2.Nf3 d5 3.e3 e6 4.c4 Bd6 5.b4 c6 6.Bb2 Nbd7 7.d4 Bc7)

7.d4 Ne4 8.Nc3 f5 9.Bd3 0-0 10.Qc2 Ndf6 11.Nd1 (11.0-0 Nd7+=) 11...a5 12.c5 Bc7 13.Ne5 ab4 14.ab4 Ra1 15.Ba1 Nd7 16.0-0 Ne5 17.de5 Bd7 18.f3 Ng5 19.Nf2 Qe8 20.Bd4 Qh5 (20...Qg6 21.Be2+=) 21.f4 Ne4 22.Ra1 g5 (22...Qg6 23.Ra7 Bc8 24.b5+=) 23.Be2 Qh6 24.Nd3 g4 25.Ra7 Bc8 (25...Rb8 26.Qd1+/–) 26.Ne1 (26.b5 Bb8 27.Ra5 cb5 28.Rb5 g3+/–) 26...Bd8 27.b5 Bh4 28.Nd3 Bg3?? (better is 28...g3 29.h3 cb5+/–) 29.hg3+– Ng3 Do you see the mate threat? 30.Nf2 Qh4 (30...Ne4 31.bc6 bc6 32.Qa4+/–) 31.Bd3 Kh8 (31...Rd8 32.Bc3+–) 32.bc6 bc6 33.Qa4 Rg8 34.Qc6 Ne4 Threatening mate... how? 35.Be4 de4 36.Qb5 Rd8 37.Qb2 h5 38.c6 Rg8 39.c7 Qe7 40.Qa3 Qh7 41.Qd6 h4 42.Qd8 Qh5 43.Ra8 g3 44.Rc8 (44.Rc8 Qg6 45.Qh4 Kg7 46.Rg8 Kf7 47.Rf8 Kf8 48.c8Q Kf7 49.Qd7 Kg8 50.Qhd8 Qe8 51.Q8e8#) 1–0. Vadasz,Laszlo – Rigo,Janos, Budapest, 1980. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 Nbd7 5.e3 Bd6 6.c4 c6)

7.d4 Ne4 8.c5 Bc7 9.Nbd2 f5 10.Bd3 0-0 11.g3 Qf6 12.Qe2 Nd2 13.Qd2 e5 14.de5 Ne5 15.Ne5 Be5 16.0-0-0 (16.Be5 Qe5 17.0-0 Be6=) 16...a6 (16...b5 17.Be5 Qe5 18.Qb2+=) 17.h4 h5 18.Rhe1 Be6 19.f4 (19.Kb1 a5=) 19...Bb2+= 20.Qb2 Qb2 (20...Qe7!?+=) 21.Kb2= Rad8 22.Be2 g6 23.Bf3 Kf7 24.Kc3 Kf6 25.Rd4 Rfe8 26.a4 Ra8 27.a5 Re7 28.Kd2 Rae8 29.Bg2 Bc8 30.Bf3 ½–½. Pawlowski,Adam – Kowalczyk,Waldemar (1745), Warszawa Poland, City Ch–B, 2013.

7.d4 Ne4 8.Nbd2 f5 9.Ne5 0-0 10.g3 (10.Be2 Qf6 11.Nd7 Bd7=) 10...Bc7 (10...a5 11.c5 Ne5 12.de5=+) 11.f3= Nd2 12.Qd2 Ne5 13.de5 dc4 14.Bc4 Qd2 15.Kd2 Bd7 16.Ke2 Rad8 17.f4 Kf7 18.Bd4 b6 (18...a5 19.Rhd1+=) 19.g4 (19.Rac1 Rg8+/-) 19...g6 (19...fg4 20.h3 h5 21.hg4 hg4 22.Rag1+=) 20.h4 (20.h3 b5 21.Bd3 Bb6+=) 20...Bc8 (better 20...fg4!? 21.h5 Rh8+=) 21.h5+/- Rh8 (21...fg4? 22.hg6 Kg6 23.Bd3 Rf5 24.Rh4+-) 22.Rac1 (22.Rh4 a5+/-) 22...Bb8 (22...fg4 23.Kf2+=) 23.Bb3 (23.Rh4 Bb7+/-) 23...Bb7 (23...fg4 24.Rc6 Bb7 25.hg6 Kg7 26.b5 Bc6 27.bc6 hg6 28.Rc1 Rd4 29.ed4 Rh2 30.Kd3 Rh3 31.Kc2+=) 24.Rh4+/- Rdg8 (24...fg4 25.Rg4 Rhe8 26.Rcg1 Ba6 27.Kd2+-) 25.hg6 hg6 26.Rch1 Rh4 27.Rh4 Bc8 28.e4 (28.Kf3 Kg7+/-) 28...fe4 (28...fg4 29.Bc4+=) 29.f5 (better 29.Bc2!?+/-) 29...gf5= 30.gf5 Rd8 (30...Rg2 31.Ke1 c5 32.bc5 bc5 33.Bc5 Be5 34.Rh7 Rg7 35.Rh6=) 31.Re4+= Ke7 (31...Rh8!?+=) 32.f6+/- Kf7 33.Rg4 (better 33.Bc4!?+/-) 33...Rd4+= 34.Rd4 Be5 35.Rd8 Ba6 36.Ke3 Kf6 (36...Bf6? 37.Rd7 Kg6 38.Ra7+-) 37.Ra8 Bc3 (37...c5!?+=) 38.Ra7+/- Bf1 39.Rb7 (39.Rh7 Bb2 40.Rh1 Ba6+/-) 39...b5 (39...Ke5 40.Rc7 Bd4 41.Kd2+=) 40.Bd1 (40.Rh7!?+/-) 40...Bg2+= 41.Bf3 Bf3 42.Kf3 Ke5 43.Rd7 Bb2 44.Rd3 Bd4 45.Ke2 Kd5 46.Rh3 Kc4 47.Kd2 e5 48.Kc2 c5 49.bc5 Bc5 50.Rh4 Bd4 51.Rh8 Bc5 52.Rh4 Bd4 53.Rh3 Bc5 54.Rb3 e4 55.Rc3 Kd4 56.Rb3 Kc4 57.Rh3 b4 58.a4 e3 59.Rh4 Bd4 60.a5 b3 61.Kb1 e2 62.Rh1 Kd3 63.a6 Kd2 64.Rh2 ½-½. Klaric,Zl (2395) - Gungl,T (2235), 36th Balaton IM, 2018. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Nbd7 5.e3 Bd6 6.c4 c6 7.d4 Ne4)

7.d4 Ne4 8.Nbd2 f5 9.g3 0-0= (9...Ndf6 10.Bd3 (10.Be2 0-0 11.0-0 b6 12.c5 Bc7 13.Ne5 bc5 14.dc5 Bb7 15.f3; 10.Bg2 0-0 11.c5 Bc7 12.0-0 Bd7 13.Ne5 Be8 14.Qc2 Qe7 15.f3; 10.c5 Bc7 11.Bg2 0-0 12.0-0 Nd2 13.Qd2 Ne4 14.Qc2 Bd7 15.Ne5) 10...0-0 11.0-0 a5 12.c5 Bc7 13.Qc2 Bd7 14.Ne5 Nd2 15.Qd2; 9...Qe7 10.Bd3 (10.Be2 0-0 11.c5 Bc7 12.0-0 e5 13.Qc2 Nd2 14.Nd2 e4 15.b5; 10.c5 Bc7 11.Be2 0-0 12.0-0 e5 13.Qc2 Nd2 14.Nd2 e4 15.b5) 10...0-0 11.0-0 Bc7 12.Rc1 a5 13.b5 c5 14.Qb3 a4 15.Qa2; 9...Bc7 10.cd5 (10.Be2 a5 11.0-0 0-0 12.Qc2 Qe7 13.c5 e5 14.Rfb1 ed4 15.Bd4; 10.Qc2 0-0 11.Be2 Ndf6 12.0-0 Bd7 13.Ne5 Nd2 14.Qd2 Ne4 15.Qc2; 10.Bd3 0-0 11.0-0 Qe7 12.Rc1 a5 13.b5 c5 14.Qb3 a4 15.Qa2; 10.Bg2 0-0 11.0-0 Qe7 12.Rc1 Ndf6 13.Ne5 Bd7 14.Ne4 fe4 15.Qb3) 10...ed5 11.Be2 0-0 12.0-0 Qe7 13.Rc1 Rf6 14.b5 Rg6 15.Qb3) 10.c5 (10.Bd3 Ndf6 11.c5 Bc7 12.0-0 Qe7 13.Ne5 Nd7 14.Ndf3 Rf6 15.Qe2; 10.Be2 b6 11.0-0 Qf6 12.Qb3 Bb7 13.Bd3 Qh6 14.c5 Be7 15.Bc3) 10...Bc7 11.Bg2 (11.Be2 b6= (11...Qe7 12.0-0 Ndf6 13.Ne5 Nd7 14.Ndf3 Rf6 15.Qc2) 12.0-0 Bb7 13.Qa4 Qf6 14.Qc2 Qh6 15.Kh1) 11...Qf6 (11...b6 12.Qa4 Bb7 13.0-0=+ Ndf6 14.Ne4 Ne4 15.Rfd1; 11...Qe7 12.Qc2 Ndf6 13.0-0 Nd2 14.Nd2 Bd7 15.Nf3) 12.0-0 (12.Qc2 Qh6 13.0-0 Ndf6 14.h3 Nd2 15.Nd2) 12...Qh6 (12...b6 13.b5 Bb7 14.cb6 Bb6 15.Qb3) 13.Ne5 (13.Qe2 Rb8= (13...Qh5 14.h3 Ndf6 15.Qd1) 14.h4 b6 15.Rab1) 13...Ndf6 (13...Ne5!? 14.de5 b6=+ 15.Ne4) 14.Qe2 (14.Ne4 de4 (14...Ne4 15.Qd3) 15.Qe2+= 0.47 (15.Qb3 Nd5=)) 14...Bd7 (14...Nd2 15.Qd2) 15.Nd7 (15.Ne4+=) 15...Nd7 16.f4 (16.Ne4 fe4 17.b5 e5+=) 16...Ndf6 17.Ne4 de4 18.Bc3 g5 19.b5 (19.fg5 Qg5 20.Bd2 Ng4=) 19...cb5 (19...gf4 20.gf4 Kh8 21.bc6 bc6 22.Rab1=) 20.Rab1= (worse 20.Qb5 Ng4 21.h3 Ne3 22.Qb7 Nd5–+) 20...a6 21.a4 Nd5 22.Bd2 gf4 23.gf4 Rf7 24.ab5 ab5 25.Ra1 (25.Qb5 Ra2 26.Rb2 Ra3=) 25...Rd8 (25...Ra1 26.Ra1 b4 27.Ra7=+) 26.Kh1 (26.Qb5 Rg7+=) 26...b4= 27.Rg1 (27.Qe1 b6 28.Bb4 bc5 29.Bc5 Rg7=) 27...Rg7=+ 28.Bf1 (28.Rab1 b6 29.c6 Bd6=+) 28...Rg1 29.Kg1 Kh8 30.Kh1 (30.Qf2 Rg8 31.Kh1 Bd8=+) 30...b6 (30...Rg8 31.Qf2=+) 31.c6 Rc8 32.Bg2 (32.Qf2 Bd6 33.Bb5 Qh5=+) 32...Qg6 33.Rc1 (33.Qb5 Bd6-/+) 33...Bd6-/+ 34.Qb5 (34.Qc4 Ra8-/+) 34...Qg8 (34...Ra8 35.Qc4-/+) 35.Re1 (35.Qc4-/+) 35...Qg6 36.Rb1 (36.Rc1 Ra8 37.Qc4 Ra3-/+) 36...Qg7 (36...Qe8 37.Rc1 Ra8-/+) 37.Qe2? (better 37.Qa4=+) 37...Qc7 (better 37...Rc6!? 38.Rg1 Qd7–+) 38.Qb5 (38.Qb5 Qc6 39.Qf1–+). Tosic,Miroslav (2485) – Panic,Nenad (2345), 17th Belgrade Trophy, Obrenovac SCG (2), 2004.

7.cd5 cd5 8.Nc3 0-0 9.Be2 a5 10.b5 Nb6 11.d4 Nc4 (11...Bd7 12.Ne5=) 12.Bc4 dc4 13.Qe2 b6 14.Qc4 Bb7 15.Qe2 Rc8 16.Rc1 e5 (16...Ne4 17.Ne4 Rc1 18.Bc1 Be4 19.0-0=) 17.de5 Bf3 18.Qf3 Be5 19.0-0 Bc3? (better is 19...Qd2 20.Nd5 Qd5 21.Qd5 Bh2 22.Kh2 Nd5 23.Rc8 Rc8+/–) 20.Bc3+– Rc5 (20...Ne8 21.Bd4 Nd6 22.Qg4+–) 21.Bd4 (better is 21.Bf6!? Qf6 22.Qf6 gf6 23.Rc5 bc5 24.Rc1+–) 21...Rb5+/– 22.Rb1 Rb1 23.Rb1 Nd5 24.e4 Ne7 25.Bb6 Qd6 (25...Qa8!? 26.Bc5 Re8 27.Rd1+/–) 26.Ba5 Rd8?? (26...Nc6 27.Rd1 Qe7+–) 27.Bd8 Qd8 28.Qd1 Qe8 (28...Qd1 29.Rd1 f6 30.a4+–) 29.f3 Ng6 30.a4 h6 31.Ra1 Qe6 32.a5 Qa6 33.Qf1 Qa7 34.Qf2 Qa6 35.Qb6 Qe2 36.a6 Nf4 37.Qf2 Qc4 38.a7 Ne2 39.Kh1 Nc1 40.a8Q Kh7 41.Rc1! Qc1 42.Qg1 Qf4 43.Qd5 f6 44.Qf5 Qf5 45.ef5 (45.ef5 Kg8 46.Qc5 Kf7 47.Qc4 Kf8 48.h4 Ke7 49.Qe6 Kd8 50.Qg8 Ke7 51.Qg7 Kd6 52.Qf6 Kd5 53.Qe6 Kd4 54.f6 Kc3 55.f7 Kb4 56.f8Q Kc3 57.Qc5 Kd2 58.Qce3 Kc2 59.Q6b3) 1–0. Fournier,Frederic (1905) – rowisago (1760), Active, 2008.

7.cd5 cd5 8.Nc3 e5 9.d3 0-0 10.Be2 Re8 11.0-0 d4 (better is 11...a5!?=) 12.ed4+/– ed4 13.Nd4 Ne5 14.Nf3 Neg4 15.h3 Bh2?? (better is 15...Nh6+/–) 16.Nh2+– Nh2 17.Kh2 Qd6 18.Kg1 Bd7 (18...Bf5 19.Re1+–) 19.Ne4! Ne4 20.de4 Qd1 21.Rad1 Be6 22.Bf3 Bc4 23.Rfe1 Bb3 24.Rc1 Rad8 25.Rc7 Rd2 26.Bc1 Ra2 27.Rb7 a6 28.Rc7 g6 29.Rc3 Be6 30.Re2 Ra1 31.Kh2 1–0. Fournier,Frederic – rockdri, Active, 2008.

7.cd5 cd5 8.d4 Qc7 (8...a5 9.b5=) 9.Bb5 (9.Nc3 Qb6=) 9...0-0= 10.0-0 a6 (10...a5 11.ba5 Ng4 12.h3=) 11.Bd3 Re8 (11...a5 12.Nc3=) 12.Nc3 (12.Nbd2 Qb8=) 12...e5 (12...Nb6 13.Rc1 Nc4 14.Bc4 dc4 15.e4=) 13.de5 (13.Rc1 Qb8 14.de5 Ne5 15.Ne5 Be5=) 13...Ne5 14.Rc1 Qb8 15.Ne5 Be5 16.h3 d4 (16...a5!?=) 17.ed4+/– Bd4 (better is 17...Bh2!? 18.Kh1 Bf4+/–) 18.Bh7!+– Nh7 (18...Nh7 19.Qd4; 18...Kh7 19.Qd3) 19.Qd4 Bf5 (19...Qe5 20.Nd5 Qd4 21.Bd4+–) 20.Nd5 (20.Ne4 f6 21.Nd6 Be6 22.Ne8 Qe8+–) 20...f6 21.Nc7 Rd8 22.Qc4 (22.Qe3 Ng5+–) 22...Kh8 23.Na8 (23.Bd4 Qc8 24.Qc3 Rb8+–) 23...Qa8 (23...Bd3 24.Qg4 Bf1 25.Nc7+– (25.Rf1?! Qa8 26.Rc1 Qb8+–)) 24.Qf4 Bg6 (24...Be6 25.Rc7 Rd7 26.Rd7 Bd7 27.Qc7+–) 25.Rfd1 Re8 (25...Rd1 26.Rd1 Qc8 27.Qg4+–) 26.Rc7 Ng5 (26...b5+–) 27.Bf6 gf6 (27...Ne6 28.Qh6 Bh7 29.Rg7 Ng7 30.Qg7) 28.Qf6 Kg8 29.Qg7# 1–0. Wall,Bill – Shotokan, internet, 2002.

7.cd5 cd5 8.Be2 0-0 9.0-0 Nb6 10.d3 Bd7 11.Nbd2 Qe7 12.Ne5 Ba4 13.Qe1 Rac8 14.Bd1 Bb5 15.f4 Nfd7 16.Nd7 Nd7 17.Qg3 (better is 17.Qe2!? Nf6 18.Nf3=) 17...f5-/+ 18.Be2 Rc2 19.Bc1 Rfc8 20.Qf3 (20.a4!? Ba4! 21.Ra4 Rc1 22.Nb3 Rf1 23.Bf1-/+) 20...Nf6 (20...R8c3!?–+) 21.Bd1 0–1. Mauersberger,Hermann (2000) – Filipiak,Thomas (2100), Leipzig VfB op, 2008.

7.Be2 Qe7 8.c5 Bb8 9.0-0 0-0 10.h3 e5 11.Nc3 e4 12.Nd4 Ne5 13.Qc2 Qc7 14.Rfb1 (14.Rfe1 h6 15.b5 Ng6=+) 14...Nf3 (14...Ng6 15.f4 ef3 16.Bf3 Nh4–+) 15.Nf3= (15.gf3?? Qh2 16.Kf1 Qh1) 15...ef3 16.Bf3 Qh2 17.Kf1 d4? (better 17...Re8=) 18.Ne4+– (worse 18.ed4 Re8 19.g4 Qh3 20.Bg2 Qh4-/+) 18...de3 (18...Be5 19.ed4 (19.Bd4?! Bd4 20.ed4 Ne4 21.Qe4 Be6=) 19...Bf4 20.Ng3+=) 19.Bf6+– (19.Bf6 e2 20.Ke2 gf6 21.Nf6 Kg7 22.Nh5 (22.Nh7? Re8 23.Be4 f5–+) 22...Kg8 23.g4+–) 1–0. Janek – Ottone, internet, 2018.

7.g4 Ng4 8.Rg1 Nge5 9.Rg7? (better 9.Ne5!? Ne5 10.c5-/+) 9...Qf6-+ (9...dc4?! 10.Ng5=; 9...Nc4?! 10.Bc4 dc4 11.d3=+) 10.Rg3?? (better 10.Ne5 Be5 11.d4 Qg7 12.de5 Ne5 13.Bd4-+) 10...Nf3 11.Rf3 Qb2 12.Nc3 a5 (12...dc4 13.Bc4 Ne5-+ (13...Bh2?! 14.Ra2 Qa2 15.Ba2=)) 13.Ra2=+ ab4 (better 13...Qa2! 14.Na2 ab4 15.Nb4 dc4=+) 14.Rb2+/- bc3 15.dc3 Ba3?? (better 15...Ra3 16.cd5 Be5+/-) 16.Ra2+- Ne5 17.Rg3 Bd7 (17...h5 18.h4 Ng6 19.cd5 ed5 20.Qb3 Nh4 21.Ra3 Ra3 22.Qa3+-) 18.Qa1 dc4 (18...Nc4 19.Bc4 dc4 20.Ra3+-) 19.Ra3 Rb8 (19...Rc8 20.f4 Ng6 21.Bc4+-) 20.f4 (20.Ra8 Rc8+-) 20...Nd3 21.Bd3 cd3 22.Ra8 Ke7 (22...Rc8+-) 23.Qa3 (23.Qa3 Kd8 24.Rb8 Kc7 25.Rh8 b6 26.Qa7 Kd6 27.Qb8 Kd5 28.Qe5 Kc4 29.Qd4 Kb3 30.Qb4 Kc2 31.Rg2 d2 32.Rd2 Kc1 33.Qb2) 1-0. black_bishop_88 (2475) - dk1210 (2380), lichess.org, 2020. (=1.a3 d5 2.b4 Nf6 3.Bb2 e6 4.Nf3 c6 5.c4 Nbd7 6.e3 Bd6)

7.g4 Ng4 8.Rg1 f5 9.h3= Ngf6 (9...Nge5 10.cd5 ed5 11.Nc3-/+) 10.Rg7+= Nf8? (better 10...Rg8 11.Rg8 Ng8+=) 11.Ng5+- Nh5?? (better 11...Bb8+-) 12.Qh5 (12.Qh5 Ng6 13.Nh7+-) 1-0. FeegLood (2870) - hiimgosu (2850), lichess.org, 2015.

7.g4 Ng4 8.Rg1 Nh2!? 9.Bg7 Rg8 10.Nh2 Bh2-/+.

7.g4 h6 8.h4 Qe7 9.Rg1 e5 10.Nc3 (10.g5 hg5 11.hg5 Nh7=) 10...d4 11.Ne2 (11.Na4 de3 12.de3 e4=) 11...de3-/+ 12.de3 Nb6?? (better 12...e4 13.Nd2 Bh2=+) 13.c5+/- Bc5 14.bc5 Nc4 15.Bc3 (15.g5 hg5 16.hg5 Nb2+/-) 15...Bg4 16.Ng3 (better 16.Nh2 Be6 17.Rg7+/-) 16...e4? (better 16...Qc5 17.Bb4 Qd5 18.Qd5 Nd5+/-) 17.Bc4+- Bf3 18.Qb3 Nd5 (18...Bg4 19.Qb1 0-0-0 20.Bf6 gf6 21.Ne4 Rd1 22.Qd1 Bd1 23.Nd6 Kb8 24.Rd1 Qe5+-) 19.Nf5 (worse 19.Bg7 Rg8 20.Nf5 Qc7 21.Nh6 Qa5 22.Kf1 0-0-0+-; 19.Bd5 cd5 20.Nf5 Qd7 21.Nd6 Ke7 22.Qd5 Rhf8 23.Rg7 Rae8+-) 19...Qd7 (19...Qc7 20.Nd6 Kd8 21.Bd5+-) 20.Nd6 Kf8 (20...Ke7 21.Bd5 cd5 22.Qd5+-) 21.Bg7 (21.Bg7 Ke7 22.Bd5 cd5 23.Qd5+-) 1-0. black_bishop_88 (2505) - Rodokinin (2430), lichess.org, 2020. (=1.a3 d5 2.b4 c6 3.Bb2 Nd7 4.Nf3 Ngf6 5.c4 e6 6.e3 Bd6)

8.Nc3 e5 9.cd5 cd5 10.Rc1 a6 11.Be2 e4 12.Nd4 Ne5 13.f4 ef3 14.Nf3 Nf3 15.Bf3 Be6 16.0-0 Rc8 17.Qb1 (17.Qd3 Be5=) 17...a5 (17...Ng4 A) 18.Nd5 Bh2 19.Kh1 Rc1 20.Rc1 Bg3-+ (20...Bd5 21.Bg4 Qh4 22.Bh3 Qh3 23.e4-+); B) 18.Bg4 Bg4 19.Nd5 Bh2 20.Kh2 Qd5 21.Bd4=) 18.b5 (18.Nb5 Rc1 19.Rc1 Be7+=) 18...a4 (18...Qd7 19.Qa1=) 19.Na4+= Ra8 (19...Qa5 20.Rc8 Rc8 21.Nc3=) 20.Nc3 (20.Nc5 Qe7 21.Bf6 Qf6 22.Qb3+= (worse 22.Ne6 fe6 23.Rc3 Qh6=)) 20...Ba3+= 21.Ba3 Ra3 22.Qb4 Qa5 23.Qa5 (23.Qe7 b6+=) 23...Ra5= 24.h3 h6 25.g4 Nd7 (25...Rfa8 26.Rc2=) 26.Bd5 Bd5 27.Nd5 Rb5 28.Ne7 Kh7 29.Rc7 (29.d4 Nf6+=) 29...Ne5 (better 29...Nf6!?=) 30.Nf5 Rd5 (30...Rb4!?+/-) 31.d4+- Ng6 (31...Nc6+-) 32.Rb7 Ra5 33.e4 Ra3 34.Kg2 Ra2 35.Rf2 (35.Kg3 Rd2+-) 35...Ra4? (35...Nf4 36.Kf3 Rf2 37.Kf2 Nh3 38.Ke3+/-) 36.d5 (better 36.e5+-) 36...Re4+/- 37.d6 Ne5 38.Re7 Rd8 39.Rd2 Nc4 40.Rc2?? (better 40.Rd5 Re6 41.Rf7 Rdd6 42.Rg7 Kh8 43.Re7 Re7 44.Rd6 Nd6 45.Ne7+/-) 40...Nd6=+ 41.Re4 Ne4 42.Re2 (42.Rc7 Rd2 43.Kf3 Ng5 44.Ke3 Rg2=+) 42...Ng5-/+ 43.Re7 Kg8 (43...g6 44.Ne3 Kg7 45.h4-/+) 44.Kg3 (44.h4 Ne6=+) 44...Ne6 (44...g6 45.h4 gf5 46.hg5 hg5 47.gf5-+) 45.h4=+ Rd3 46.Kf2 Ra3 47.Re8 (better 47.Nd6=) 47...Nf8?? (47...Kh7 48.h5=+) 48.Re7?? (better 48.Ne7 Kh7 49.Rf8+-) 48...Ra2 49.Kf3 Ra3 50.Kf4?? (50.Kf2 h5 51.gh5 Ra5=) 50...Ra8?? (better 50...Ng6 51.Ke4 Ne7 52.Ne7 Kf8-+) 51.Re4 Ng6 52.Kg3 Ra3 53.Re3 Kh7?? (better 53...Re3 54.Ne3 Ne7=+) 54.Ra3+- Ne7 (54...Nh8 55.Nd6+-) 55.Ra7 (better 55.Ne7 g6+-) 55...Nf5 56.gf5 f6 (56...f6 57.Kg4 h5 58.Kh5 Kh8 59.Kg6 Kg8 60.Ra8). Arifars17 (2565) - troisi (2480), Rated Bullet game, lichess.org, 2021. (=1.Nf3 Nf6 2.b4 c6 3.a3 d5 4.Bb2 e6 5.e3 Bd6 6.c4 Nbd7)

8.c5 Bc7 9.d3 e5 10.Nbd2 Qe7 11.Be2 h6 12.0-0 Re8 13.Rfe1 a5 14.e4 d4 15.Nc4 Nf8 16.Reb1 (worse is 16.Na5 Ba5 17.ba5 Ra5-/+) 16...Ng6 17.Bc1 (worse is 17.Na5 Ba5 18.ba5 Ra5-/+) 17...Be6 18.Bd2 Nd7 19.g3 (19.ba5 Nc5 20.Bb4 Bc4 21.Bc5 Qc5 22.Rb7 Ba5 (22...Qa5?! 23.Qc4 Re6 24.Bd1=) 23.Qc4 Qc4 24.dc4 Nf4–+) 19...Ra7+= 20.Rc1 ab4 21.ab4 Rea8 22.Qb2 Qf8 23.Ne1 Ra1 24.Ra1 Ne7 (24...Ra1 25.Qa1 Nf6 26.Bf3+=) 25.f4 Bc4 (25...Ra1 26.Qa1 Qd8 27.Nf3 ef4 28.gf4 Bc4 29.dc4+=) 26.dc4 Ra1 27.Qa1 Qb8 28.f5 ½–½. Woelfelschneider,Peter – Deues, 2010.

8.g4 Re8 (8...Ng4 9.d4-/+) 9.Rg1 (9.g5 Nh5=) 9...e5 10.g5 Nh5 11.h4 (11.Be2 dc4 12.Nh4 g6=) 11...g6 (11...a5 12.c5 Bb8 13.Be2=) 12.Be2 Nf8 (12...dc4 13.Bc4 a5 14.ba5=+) 13.Nc3 Bf5 14.Qb3 d4 15.ed4 ed4 16.Nd4 Bd3 17.Kd1 Be2 (better 17...Be5!? 18.Na4 Nf4 19.Bd3 Bd4=+) 18.Nce2+= Be5 19.Nf3 (19.Qf3 Qd7+=) 19...Bb2= 20.Qb2 Qd3 21.Nfd4 (21.Ned4 Qc4 22.Qb3 Qb3 23.Nb3=) 21...b6 (better 21...Rad8!?=) 22.Qc3+/- Qe4 23.Re1 (23.Qf3 c5 24.Qe4 Re4 25.bc5 bc5+=) 23...c5 (23...Qh4 24.c5=) 24.Nb3 (better 24.Nf3!?+=) 24...cb4 25.ab4 Qh4 26.Kc2 (26.Nbd4!?=+) 26...Qf2-/+ 27.d3?? (better 27.Nbd4-/+) 27...Ng3 (27...Re2 28.Re2 Qe2 29.Qd2-+) 28.Nbd4 (28.Qd2 Re2 29.Re2 Ne2 30.Re1 Nd4 31.Kc3 Qd2 32.Nd2-+) 28...Rac8 (better 28...Ne2 29.Ne2 Re2 30.Re2 Qe2 31.Qd2 Qf3-+) 29.Qd2 (29.Kd1!?-/+) 29...Ne2-+ 30.Re2?? (better 30.Ne2 Ne6 31.Kd1-+) 30...Qf5 (better 30...Qd4 31.Re8 Re8 32.Ra7 Ne6-+) 31.Nf5+- gf5 32.Re3 (better 32.Re8!? Re8 33.Ra7 Ne6+-) 32...Red8 33.Re5 (33.Qf2 Ne6 34.Ra7 Ra8 35.Ra8 Ra8+-) 33...Rc7 (33...Ne6 34.Qe3 f4 35.Qh3 Nd4 36.Kc3+-) 34.Rf5 Rcd7 35.Rf7! Ng6 (35...Rf7 36.d4 Passed pawn; 35...Kf7 36.Qf4 Combination) 36.Rf8! Kf8 (36...Rf8 37.d4 Passed pawn; 36...Nf8 37.Qe3 Combination; 36...Kf8 37.b5 Combination) 37.Qc3 Rd4 (37...Rd3 38.Qd3 Rd3 39.Kd3 Ne5 40.Kc3 Nf7 41.Ra7 Ng5+-) 38.Kb3 (better 38.Ra7 Kg8 39.Ra8 Ra8 40.Qd4+-) 38...Rd3-/+ 39.Rf1 (39.Rf1 Ke8 40.b5-+). allyouneedisluft (2540) - Tenessy (2355), Rated Bullet game, lichess.org, 2017. (=1.a3 e6 2.b4 d5 3.Bb2 Nf6 4.e3 c6 5.Nf3 Nbd7 6.c4 Bd6)

8.h4 Re8 9.Nc3 e5 10.c5 Bc7 11.Be2 b6 12.d4 e4 13.Nd2 a5 14.ba5 (14.cb6 Nb6 15.b5 cb5 16.Nb5 Bb8=) 14...Ra5 (14...bc5!? 15.dc5 Ba6-/+) 15.Nb3 Ra8 16.cb6 Bb6 17.g4 Kf8 18.a4 Ba5 (18...Nb8 19.g5 Nfd7 20.Rf1=) 19.Kf1 (19.Ba3!? c5 20.g5+/– (20.Nc5?! Nc5 21.Bc5 Kg8=)) 19...Nb6 20.Ba3 Kg8 21.g5 Nfd7 22.Nc5 (better is 22.Na5!? Ra5 23.Bb4=) 22...Bc3 23.Qc3 Nc5 24.Qc5 Bd7 25.a5 Nc8 (better is 25...Na4!? 26.Qc2 Qa5+=) 26.a6+= Na7 27.Kg2 Nb5 28.Bb4 Na7 29.Rhb1 Qc8 30.Qb6 (better is 30.Kg3+=) 30...Re6?? (better is 30...Bg4 31.Kf1 Be2 32.Ke2 Qg4 33.Kf1 Qh3 34.Ke2 Qh4-/+) 31.Qb7+– Nb5 32.Bg4 Qb7?? (better is 32...Qe8+–) 33.ab7 (33.ab7 Rb8 34.Be6+–) 1–0. combijack (1880) – wazzu85 (1690), gameknot.com, 2013.

8.Qb3 Qe7 9.d4 a6 10.Be2 b5 (10...dc4 11.Bc4 e5 12.de5 Ne5 13.Ne5 Be5 14.0-0+=) 11.c5 Bc7 12.a4 Rb8 13.ab5 ab5 14.Ra7 Qd8 15.0-0 Re8 16.Bd3 e5 17.de5 Ne5 18.Ne5 Be5 19.f4 Bc7 20.Ne2 Ne4 21.Be4 Re4 (worse is 21...de4 22.Rd1 Bd7 23.Be5+/–) 22.Ng3 Re8 23.Nh5 f6 24.e4 Bg4 (24...Kh8 25.Qg3 Re7 26.Nf6+/–) 25.Ng7 (25.Bf6!? gf6 26.Qg3+–) 25...Kg7+/– 26.Qg3 h5 27.h3 Re4 28.hg4 h4 Black intends d4 29.Qh4 d4 30.Re1 Re1 31.Qe1 Qd7 32.Qe4 (32.Qf2!? Rd8+–) 32...Rd8 33.Bd4! Qd4 34.Qd4 Rd4 35.Rc7 Kg6 36.g3 (36.Rc6?! Rf4 37.Rc8 Rb4+=) 36...Rb4 37.Rc6 Kf7 38.Rb6 Rb2 39.f5 b4 40.Rb7 Ke8 41.c6 Rc2 42.Rb4 Rc6 43.Kg2 Rc1 44.g5! Rc5 (44...fg5 45.Rb8 Decoy) 45.g6 Kf8 46.g4 Rc6 (46...Ra5 47.Rb7 Kg8 48.Rf7+–) 47.Rb7 Kg8 48.Kg3 1–0. Richter,Kurt – Michel,P, Bad Aussee m, 1939. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Nbd7 5.e3 Bd6 6.c4 c6 7.Nc3 0-0)

8.Qb3 Qe7 9.d4 dc4 10.Bc4 e5 11.de5 (11.Ne5 Ne5 (11...Be5 12.de5 Ne5 13.Rd1 Bg4 14.Ne2 b5 15.Be5 Qe5 16.Bd3 a5=) 12.de5 Be5 13.0-0 b5 14.Be2 a5 15.ba5 Be6 16.Qc2 Ra5=+; 11.d5 cd5 (11...Nb6 12.dc6 bc6 13.Rd1 a5 14.ba5 Nc4 15.Qc4 Bb7 16.Ne4 Ne4=+; 11...a5 12.dc6 bc6 13.ba5 e4 14.Nd2 Nc5 15.Qc2 Rd8 16.Na4 Na4=; 11...e4 12.dc6 ef3 13.cd7 fg2 14.Rg1 Bd7 15.Rg2 Ng4 16.Qd1 h5+=) 12.Nd5 Nd5 13.Bd5 Nf6 14.Rd1 Nd5 15.Qd5 Rd8 16.0-0 Be6=+) 11...Ne5 12.Ne5 Be5 13.Ne2 (better 13.0-0!?= b5 14.Be2 a5 15.ba5 Be6 16.Qc2 Ra5=+) 13...Bb2-/+ 14.Qb2 Qe4 15.Qd4 a5 (better 15...Qg2!? 16.Ng3 Be6-/+ (16...Bg4-/+)) 16.0-0= Qd4 (16...Be6 17.Qe4 Ne4 18.Be6 fe6 19.f3=; 16...ab4=) 17.Nd4+= Rd8 18.Nb3 (18.Rfd1 Bg4 19.f3 Bd7+=) 18...ab4 19.ab4 Ra1 20.Ra1 Kf8 21.Nd4 Nd5 22.Bd5 Rd5 23.Ra8 Rd8 24.f3 (24.Ra7 Rd6=) 24...Ke7 25.Kf2 g6 (25...Be6 26.Ra7 Rd7 27.g4=) 26.h4 (26.Ra7 Kd6=) 26...h5 27.Ke2 Be6 28.Ra7 Bc4 29.Kf2 Rd7 30.g4 hg4 31.fg4 Kd6 (31...Bd5 32.h5 gh5 33.gh5=) 32.h5+= gh5 33.gh5 Bd5 34.h6 (34.Kg3 Ke5+=) 34...Be4 (34...f6 35.Ra8 Rh7 36.Rf8=) 35.Kg3 Ke5 36.h7 (36.Ra8!?+=) 36...Bh7= 37.Nc6 Ke4 38.Na5 (better 38.Nb8 Re7 39.Kf2=) 38...Ke3–+ 39.Nb7 (better 39.Nc4!? Kd4 40.Na5-/+) 39...Bd3 40.b5 f5 (worse 40...Bb5 41.Ra3 Kd4 42.Na5-/+) 41.b6 f4 42.Kh4 f3?? (better 42...Rh7 43.Kg5 f3–+) 43.Nc5= Rd4 44.Kg3 f2 45.Re7 Be4 46.Rf7 Rd1 (46...Rb4 47.Ne4 Ke4 48.Re7 Kd5 49.Kf2 Rb6 50.Kf3=) 47.Rf2 (47.Ne4!? Rg1 48.Kh2 Ke4 49.Rf2=) 47...Rg1= 48.Kh2 Rh1 49.Kg3 Rg1 ½–½. Pandurevic,Miro (2255) – Rogic,Davor (2495), 9th Open, Bosnjaci CRO, 2003. (=1.Nf3 d5 2.c4 c6 3.e3 Nf6 4.Nc3 e6 5.a3 Nbd7 6.b4 Bd6 7.Bb2 0-0)

8.Qc2 a5 9.b5 c5 10.Ng5 d4 11.Nce4 Ne4 12.Ne4 Be5 13.f4 Bc7 14.Ng5 Nf6 15.Nf3 b6 16.Bd3 Bb7 17.0-0 Bf3 18.Rf3 e5 19.Raf1 Re8= 20.Bf5 ef4 21.ed4 cd4 22.Qd3 Be5 23.R3f2 g6 24.Bh3 Qd6 25.Re2 Rad8 26.Qf3 Qc5 27.d3 Bc7 28.Re8 Re8 29.Qc6 Qe5 30.Bc1 g5 31.g3 Qd6 32.gf4 Qc6= 33.bc6 g4 34.Bg2 Bd6 35.f5 h5 36.Bf4+/– Bf4 37.Rf4+– Kf8 38.Rd4 Ke7 39.Kf2 Rd8? 40.Rd8 Kd8 41.Kg3 a4 42.Kh4 Ke7 43.Kg5 Ne8 44.Kh5 g3 45.hg3 Nc7 46.g4 1–0. Kozul,Zdenko – Burmakin,V, Graz op, 1994. (=1.Nf3 d5 2.c4 c6 3.e3 Nf6 4.Nc3 e6 5.a3 Nbd7 6.b4 Bd6 7.Bb2 0-0)

8.Qc2 a5 9.c5 Be7 10.Be2 =.

8.Qc2 dc4 9.Bc4 Nb6 10.Be2 =.

8.Qc2 Qc7 9.Be2 dc4 10.Bc4 Ne5 11.Ne5 Be5 12.f4 Bd6 13.Ne4 Nd5 14.Ng5 g6 15.h4 b5 16.Be2 White prepares h5 16...Bd7? (better is 16...f6 17.Ne4 a5+=) 17.h5+– f6? (better is 17...e5 18.hg6 hg6+–) 18.Nh7! (worse is 18.hg6 fg5 19.gh7 Kf7+–) 18...Kh7 19.Qg6 (better is 19.hg6 Kg8 20.g7+–) 19...Kh8+/– 20.Rh3 (20.Bd3 Bc8 21.Rc1 Qg7 22.Rc6 Be7+–) 20...Bc8 (20...Be8 21.Qh6 Qh7 22.Qh7 Kh7 23.g4+=) 21.Qh6 (better is 21.Rc1 e5 22.fe5 Bh3 23.ed6 Qd6 24.Bd3+– (24.gh3?! Ne7 25.Qg5 Kh7+/–)) 21...Qh7+= 22.Qg5?? (22.Qh7 Kh7 23.g4 a5 24.ba5 Ra5-/+) 22...Be7?? (better is 22...e5 23.Qg6 Bh3 24.gh3 ef4–+) 23.Rg3 Bd7 24.Bd3-/+ Rg8?? 25.Bh7+– Rg5 26.fg5 Kh7 27.g6 Kh6+/– 28.Rh3 e5 29.Rh2 Bg4 30.Kf2 Rh8 31.Rc1 Rc8 32.d4 e4+= 33.Bc3 f5 34.Bd2 Nf6 35.a4 a6 36.ab5 ab5 37.Ra1 Bh5 38.Ra7 Bd6 39.Rh4 Kg6 40.Kf1 Rh8 41.Rh3 Rg8 42.Ra6 Rc8 43.Ra7 Nd5 44.Be1 Nb4 45.Rd7 Bf8 46.Bh4 Nd3 47.Bg3 b4 48.Rb7 c5 49.Rb6+= Kg5 50.Bf4?? Kg4 51.Rg3= Kh4 52.Rh3 Kg4 53.Rg3 Kh4 54.Rh3 Kg4 55.Rg3 Kh4 56.Rh3 Kg4 57.Rg3 ½–½. combijack (1800) – daktari (1705), gameknot.com, 2011.

8.Qc2 Qe7 9.Be2 (9.d4 a5 10.c5 Bc7 11.b5 e5+=) 9...a6 (9...dc4 10.Bc4 e5 11.0-0= Nb6=) 10.Rg1 (10.c5!? Bc7 11.0-0= e5=) 10...dc4=+ 11.g4 (11.Bc4 e5=+) 11...b5 12.g5 Nd5 13.Ne4 e5 (13...a5 14.Nd6 Qd6 15.ba5 Qc7-/+) 14.d4 (better 14.d3!? a5 15.dc4 bc4 16.ba5=+) 14...Bc7-/+ 15.Rd1 Kh8 16.Nc3 (16.Ng3 a5 17.e4 Nf4–+) 16...N5b6 (16...a5 17.de5 ab4 18.Nd5 cd5 19.ab4 Qb4 (worse 19...Be5 20.Ne5 Ne5 21.Rd5 Nd3 22.Bd3 Qb4 23.Qd2 Qd2 24.Kd2=; 19...Ne5?! 20.Bc3-/+) 20.Bc3 Qc5-/+) 17.Qe4-/+ Bb7 18.Qh4 (18.Rg3 f5 19.Qh4 e4-/+) 18...Rae8 (18...Rfd8 19.Qg3-/+) 19.Rg3 f5 (better 19...Qe6!?-/+) 20.Rh3= g6 21.de5 Ne5 (21...Kg8 22.e6 Ne5 23.Nb5 Nf3 24.Bf3 ab5 25.Qd4+–) 22.Ne5 (22.Nb5!? cb5 23.Ne5 Be5 24.Be5 Kg8 25.Bd6+–) 22...Be5+= 23.f4 (better 23.Nd5 Nd5 24.Be5 Kg8 25.Bd6+=) 23...Na4? (better 23...Bc3 24.Bc3 Kg8=) 24.Na4+– Bb2 25.Nb2 c5 26.bc5 Bg2 27.Rg3 Be4 28.Qh6 (28.Rd6 Rd8 29.Rh3 Rf7 30.Bc4 bc4 31.Nc4 Rg7+–) 28...Rf7 29.Rd6 Kg8? (29...Rd8 30.Bc4! bc4 31.Nc4 Rg7+–) 30.Nc4!+– (30.Ra6 c3 31.Nd3 Bd3 32.Bd3 Qc5+=) 30...Qc7 (30...bc4 31.Bc4) 31.Ne5 (better 31.Rg6 Rg7 32.Rg7 Qg7+–) 31...Rg7 32.Rh3 Qc5 (32...Ree7+–) 33.Rg6! Ree7 (33...Rg6 34.Qh7; 33...hg6 34.Qh8) 34.Qh7 (34.Qh7 Kf8 35.Qh8 Rg8 36.Rg8) 1–0. Kozul,Zdenko – Rogic,Davor, Slavonski Brod, 1995. (=1.Nf3 d5 2.c4 c6 3.e3 Nf6 4.Nc3 e6 5.a3 Nbd7 6.b4 Bd6 7.Bb2 0-0)

8.Qc2 Re8 9.Rc1 a5 10.c5 ab4 11.ab4 =.

8.Qc2 Re8 9.Rc1 a6 10.h3 (10.c5 Bc7=) 10...e5 11.cd5 cd5 12.d4 e4 13.Nd2 Nf8 (13...Nb6 14.Nb3=) 14.b5 (14.Be2 Bf5=) 14...Qe7 15.Qb3 Be6 16.Na4 (16.Be2 Rec8=+) 16...ab5 (16...N8d7 17.ba6 ba6 18.Qc3=+) 17.Bb5 Rec8 18.Rc8 Rc8 (< 18...Bc8 19.Nb6 Rb8 20.Nd5 Nd5 21.Qd5+/–) 19.Nb6 Rd8 20.Nb1 (20.Be2 N8d7=+) 20...Ng6 21.g3 Qc7 22.Be2 Bg3 23.fg3+= Qg3 24.Kd2 Nf4 (Now all is on h3) 25.Qd1 Nh3 26.Qf1 Qc7 27.Na4+= Qa5 28.Nbc3 Ng5 29.Rg1 h6 30.Nc5 Bc8 31.Qg2 b6 32.Nb3 Qa7 33.Kc2 Bd7 34.Kb1 Qb8 35.Nc1 g6 36.N1a2 Kg7 37.Nb4 Qd6 38.Bd1 Be6 39.Rh1 Rd7 40.Ba4 Rb7 41.Bc6+/– Re7 42.Nb5 Qd8 43.Qh2 Ng4 44.Qf4 Nf3 45.Bc1 h5 46.a4 h4 47.Nc2?? g5–+ 48.Qd6 Qd6 49.Nd6 Rc7?? 50.Ne8+– Kg6 51.Nc7 Nf2 52.Rf1 Nd3 53.Nd5 (53...Bd5 54.Bd5+–; 53.Bd5 Bd5 54.Nd5 h3+–) 1–0. Zuccotti,Eduardo – Yabiansky,Marcelo, Traffic op Buenos Aires, 1992.

8.Qc2 Re8 9.d4 a5 10.c5 ab4 11.ab4 Ra1 12.Ba1 =.

8.Qc2 Re8 9.d4 Nf8 10.Be2 b6 (10...dc4 11.e4 Be7 12.Bc4=) 11.0-0+= a6 (11...Ng6 12.c5 Bc7 13.Bd3+=) 12.e4 de4 13.Ne4 Ne4 (13...Bf4 14.c5+=) 14.Qe4+/– Bd7 (14...Bb7 15.c5 Bc7 16.Ne5+/–) 15.c5 bc5 (15...Bc7 16.Ne5+/–) 16.dc5 (16...Bc7 17.Rfd1+/–) 1–0. MarcosRamos – sex, internet, 2007.

8.c5 Bc7 9.Rc1 e5=+ 10.h3 Re8 (10...d4 11.Na4 d3 12.Rc4 Re8 13.Nc3 h6 14.e4 Re6 15.Bd3; 10...a5 11.Be2 (11.Qa4 d4 12.Nd1 d3 13.b5 cb5 14.Qb5 e4 15.c6) 11...ab4 12.ab4 e4 13.Nd4 Ne5 14.Ra1 Ra1 15.Qa1) 11.b5 (11.d3 a5=+ 12.Be2 ab4 13.ab4 d4 14.Ne4 Ne4 15.de4; 11.Qb3 d4 12.Na4 de3 13.de3 e4 14.Nd4 Nd5 15.Nc3; 11.Qc2 a5 12.b5 Nc5 13.bc6 bc6 14.Nd5 Nd5 15.Qc5) 11...Nc5-/+ 12.Nd5? (better 12.Na2 Nfd7 (12...Bd6 13.bc6 bc6 14.Be5 Be5 15.Rc5) 13.Nb4=+ Qf6 14.d4 e4 15.Ne5; 12.Qc2 Bd6 13.Be2 g6 14.0-0 Bf5 15.d3) 12...Qd5–+ (12...Nd5?! 13.Rc5 Qd6 14.Rc1=+; 12...cd5?! 13.Rc5 Bf5 14.Rc1=+) 13.Bc4 Nd3 14.Bd3 Qd3 15.bc6 Bd6 (15...bc6 16.Rc6 Qd7 17.Qc2–+) 16.Rc3 (16.Qc2 Qb5–+) 16...Qb5 (16...Qg6 17.0-0–+) 17.cb7 (17.a4 Qa6 18.Ba3 Ba3 19.cb7 Bb7 20.Ra3 Rab8–+) 17...Bb7 18.Rb3 Qa6 19.d3 (19.d4 e4 20.Ne5 Bd5–+) 19...Bd5 20.Rc3 Rab8 21.Qc2 (21.Bc1 e4 22.de4 Qa5–+ (worse 22...Ne4 23.Rd3 Bc4 24.Rd6 Nd6 25.Nd2–+)) 21...e4 22.Nd2 (22.Ng5 ed3 23.Qd2 h6–+) 22...ed3 23.Rd3 (23.Qc1 Be5 24.0-0 Bc3 25.Qc3 Rec8–+) 23…Rb2! (23...Rb2 24.Qb2 Qd3–+) 0–1. Mak Kei Keng (2040) – Yee,S (2285), 37th Olympiad, Turin ITA, 2006. (=1.Nf3 d5 2.c4 c6 3.e3 Nf6 4.Nc3 e6 5.a3 Nbd7 6.b4 Bd6 7.Bb2 0-0)

8.c5 Bc7 9.d4 e5 10.de5 Ne5 11.Qc2 Re8 12.Be2 Qe7 13.Nd4 Nfg4 14.Bg4 Ng4 15.0-0-0 a5 16.Nf5 Bf5 1.Qf5 ab4 (17...Nh2 18.g3 Bg3 19.fg3 Qe3 20.Kb1 ab4 21.ab4+– (< 21.Rh2 bc3 22.Qh7 Kf8=)) 18.ab4 Ne5 (18...Nh2 19.g3 Bg3 20.fg3 Qe3 21.Kb1 Qg3 22.Qh5+–) 19.Ne2 Nc4 20.Bc3 Ra2 21.Qg4 (21.Rd3 Ra3–+ (21...Re2?! 22.Qg4 Ne5 23.Qe2-/+)) 21...f6 22.Rd4? (22.Rd3 Be5 23.Kd1 Ra3–+) 22...Ne3! 23.Qf3 (23.fe3 Qe3) 23...Nc4 24.Rg4 (24.Nf4 Bf4 25.Rf4–+) 24...Ne5 25.Be5 Qe5 26.Nc3 Ra1 27.Nb1 h5 28.Rg3 Qf4 29.Qf4 Bf4 30.Kb2 Be5 31.Kb3 Bg3 32.hg3 Re2 0–1. Campos Calvo Sotelo,Juan – Caselas,Jacobo (2315), Gallego–ch Absoluto, 2000.

8.c5 Bc7 9.d4 e5 10.de5 Ne5 11.Nd4 Qe7 12.h3 a5 13.Qc2 ab4 14.ab4 Ra1 15.Ba1 Ne8 16.Be2 Qg5 17.g4 Qh4 18.Nf5 Qf6 19.h4 h5 20.Kd2?? (better is 20.Nb1=) 20...hg4–+ 21.Bg4? (better is 21.Nd5 cd5 22.Bg4–+) 21...Ng4 22.Nd5 Qd8 23.Nfe7 Kh8 24.h5 Nh6 (better is 24...Nf2!? 25.h6 Nh1 26.Qe4 Qd5 27.Nd5+–) 25.Rg1 cd5 26.Rg6 (26.Nc8 Qc8 27.Qd3–+) 26...fg6 27.Ng6 Kg8 28.Nf8 Kf8 29.Qg6 (29.Qd1 Qh4 30.Qf3 Ke7–+) 29...d4! 30.Bd4 (30.Bd4 Nf5 Pinning (30...Nf5 Decoy); 30.ed4 Nf6 Combination) 30...Bf5 31.Qg2 Be5 0–1. Heimbacher (1950) – Schneider Sanchez (2105), Tenerife op, 2009.

8.d3 Qe7 9.Be2 e5 10.e4 (10.0-0 Rd8=) 10...de4 (10...d4 11.Na2=+) 11.de4= a5 12.c5 Bc7 13.0-0 Rd8 14.Qb3 Nf8 15.Bc4 Be6 16.Rad1 Bc4 17.Qc4 ab4 18.ab4 Ne6 19.Nh4 (19.Ne2 Nd7=) 19...g6 (19...Rd4 20.Rd4 Nd4 21.Re1=+) 20.Nf3= Nf4 21.Ne2 N6h5 22.Nf4 Nf4 23.g3 Nh3 24.Kg2 Ng5 25.Ne5?? (better 25.Ng5 Qg5 26.Rd8 Rd8 27.Ra1+=) 25...Be5-+ 26.Rd8 Rd8 27.Be5 (27.Bc1 Rd4 28.Bg5 Qg5-+ (28...Rc4?! 29.Be7 Re4 30.Rd1=+)) 27...Qe5 28.f4 (28.Re1 Rd4 29.Qc3 Ne4-+) 28...Qe4 (better 28...Rd2!? 29.Rf2 Qb2 30.Rd2 Qd2 31.Kf1 Qd1 32.Kf2 Qf3 33.Ke1 Ne4 34.Qd4-+) 29.Qe4 Ne4 30.Re1 Rd2 31.Kf3 (31.Kg1 f5 32.Rb1 Kf7-+) 31...f5 32.h3 (32.Ra1 Rh2 33.Ra8 Kf7-+) 32...Rf2 (32...Rb2!? 33.Re4 fe4 34.Ke4 Rb4 35.Ke5-+) 33.Ke3 Rb2 34.Kd4 (34.Rd1 Rb4 35.Rd8 Kf7 36.Rd7 Ke6-+) 34...Rb4 35.Ke5 (35.Kd3 Rb3 36.Kd4 Rg3-+) 35...Nc5 (35...Kf7!? 36.Rd1 Ke7 37.Rd4-+) 36.Rd1 Re4 (36...Kf8 37.Kd6 Ne4 38.Kc7 Ng3 39.Rd8 Kg7 40.Re8-+) 37.Kf6 (37.Kd6 Na6-+) 37...Re6 38.Kg5 Ne4 39.Kh6 (39.Kh4 h6 40.g4 g5 41.fg5 hg5 42.Kh5 f4 43.Rd8 Kf7 44.Rd7 Re7-+) 39...Re7 (better 39...Rd6!? 40.Rb1 g5 41.Kh5-+) 40.Rd8 Kf7 41.h4 (41.Kh7 Ng3 42.Rg8 Nh5 43.Rg6 Re3-+) 41...Nf6 (better 41...Ng3 42.Kh7 Ne2 43.Kh6 Nf4 44.Rd6-+) 42.Kg5 (42.Ra8 Rc7-+) 42...Kg7 (better 42...Ng4!? 43.Rh8 Kg7 44.Rh7 Kh7 45.h5-+) 43.g4 (43.h5 h6 44.Kh4-+) 43…h6 (43...Ne4) 0-1. black_bishop_88 (2540) - pozhiloy_228 (2625), Ukrainian Bullet League, lichess.org, 2020. (=1.a3 d5 2.b4 e6 3.Bb2 Nf6 4.Nf3 Nbd7 5.e3 c6 6.c4 Bd6)

8.Bd3 dc4 9.Bc4 Nb6 10.Be2 =+.

8.Bd3 Ne5 9.Ne5= Be5 10.f4 Bd6 (10...Bc3 11.Bc3 dc4 12.Bc4=) 11.c5 Bc7 (11...Be7 12.Qc2=) 12.Ne2 (12.0-0 e5=) 12...e5 (12...Ng4 13.0-0=) 13.fe5 (13.Be5 Be5 14.fe5 Nd7+=) 13...Ng4= 14.Nf4 Qg5 (14...Qh4 15.g3 Qg5 16.0-0=) 15.h4 (15.0-0 Qh6 16.h3 Ne5=) 15...Qh6 16.Be2 (16.b5 Ne5 17.Be2 Nc4 18.bc6 Nb2 19.cb7 Bf4 (19...Bb7?! 20.Qc2 Bf4 21.Qb2 Bg3 22.Kd1–+) 20.ba8Q Bg3 21.Kf1 Qf6 22.Bf3 Nd1 23.Rd1 Ba6 24.Kg1 Ra8–+) 16...Be5 (16...Ne5 17.b5=+) 17.Be5= Ne5 18.g4 Qf6 19.g5 Qe7 20.Qc2 d4 21.Qe4 de3 22.Qe3 Qc7 23.0-0-0 a5 24.d4 ab4? 25.ab4?? Ng6 26.Ng6 fg6 27.Bc4 Kh8 28.Kb2 Bg4 29.Rdf1 Bf5 30.Re1 b6 31.Qe5 Qb7 32.Qe7 Qb8 33.Qe5 Qb7 34.Qe7 Qb8 35.cb6 Qb6-/+ 36.Qc5 Qb8 37.Re5=+ Ra4 38.Kc3 Bg4 39.Rhe1 Ra8 40.R1e3 Ra3 41.Kb2 Re3=+ 42.Re3 Qf4 43.Qe5 Qf2 44.Kc3 Bd1 45.Qe4 Bc2 46.Qe7 Bd1 47.Bd3 Bg4=+ 48.Re1 Bh3 49.Re2 Qf1 50.Re1 Qf4=+ 51.Qe3 (White is in command) 51...Qh2 52.Re2 Qh1 53.Re1 Qh2 54.Qd2 Qb8-/+ 55.h5 gh5 56.Qe3 Bg4 57.Qe4=+ Bf5 58.Qe5 Qa8?? 59.Bf5+– c5? 60.dc5 Qa3 61.Kc4 Qa2 62.Kb5 Qa8 63.Ra1 Qb7 64.Kc4 Rb8 65.Ra4 Qb5 66.Kb3 Re8 67.Qd4 Qe2 68.Bd3 Qd1 69.Ka3 Qc1 70.Qb2 Qe3 71.Qe2 Qc1?? 72.Kb3 Rf8 73.Ra7 Qg5 74.Qe4 Qh6 75.Ra8 (75...Qe6 76.Kc2 Qg8 77.Rf8 h6 78.Qh7#) 1–0. Althoff,Guntram – Juhnke,Peter, Hessen–chB Kaufungen, 2003.

8.d4 dc4 9.Bc4 Qe7 =.

8.d4 Bc7 9.Bd3 =.

8.d4 e5 9.cd5+– cd5 (9...a5 10.dc6 bc6 11.b5+–) 10.Nb5 e4 11.Nd6 ef3 12.Qf3 Nb6 13.Nc8 (13.Qf4 Na4 14.Bc1 Qb6+–) 13...Rc8+= 14.Bd3 Na4 (14...Nc4 15.Qe2+=) 15.Qe2 Qc7 (15...Qd6 16.Rc1+–) 16.0-0+– Nb2 17.Qb2 Qc3 (17...g6 18.Rac1 Qd7 19.Rfd1+–) 18.Qb1 g6 (18...h6 19.g3+–) 19.Rc1 Qd2 20.Rd1 (20.Rc5 Rc5 21.bc5 Qc3+–) 20...Qc3 21.h3 Kg7 (21...Qc6 22.Rc1 Qd7 23.Ra2+–) 22.Ra2 (22.Rc1 Qd2 23.Rc5 Rc5 24.bc5 Rd8+–) 22...Rc6 (22...Rfd8 23.Rc2 Qa3 24.Ra2+–) 23.a4 (23.Rc2!? Qa3 24.Ra2 Qc3+–) 23...Rfc8+– 24.a5 a6 (24...Qc1 25.Qc1 Rc1 26.Rc1 Rc1 27.Kh2+=) 25.b5 ab5 26.Qb5 R6c7 27.Rb2 (27.g3 Qc6 28.Qc6 Rc6+– (28...bc6? 29.a6+–)) 27...Qa3 28.Qb4 Rc3 29.Qa3 (29.Qb7? Rd3 30.Rd3 Rc1 31.Kh2 Qd3–+) 29...Ra3 30.Rb7 Ra5 (30...Rcc3 31.Bb1+–) 31.Be2 (31.g3 Rc3+–) 31...Rca8 (31...Rc2 32.Bf3+–) 32.Bf3 Ra1 (32...h5 33.h4+–) 33.Ra1 Ra1 34.Kh2 Ra2 35.Kg3 h5 36.h4 Ra8 (36...Rc2 37.Rb5 Ne4 38.Be4 de4 39.f3 ef3 40.gf3+–) 37.Rb5+– Rd8 38.Kf4 Rd6 39.g3 (39.Ra5 Kh6+–) 39...Kf8 (better 39...Ne8 40.g4 hg4 41.Kg4 Nf6 42.Kf4 Rd8+–) 40.Bg2 (better 40.Rc5+–) 40...Ng4= 41.Bd5 (worse 41.Rd5 Rf6 42.Ke4 Rf2–+) 41...Rf6 42.Ke4 Nf2 43.Ke5 Ng4 44.Ke4 Nf2 ½–½. Pietrzak,Janusz (2120) – Socha,Jaromir (1975), Karvina op, 2006.

8.d4 Qe7 9.Be2 (9.c5 Bc7=) 9...dc4=+ 10.Bc4 e5 11.0-0 e4 12.Nd2 Nb6 13.Be2 Bf5 14.Re1 (14.Rc1 h6=+) 14...Rfe8 (14...h6 15.Qb3=+) 15.f4 Nfd5 (15...Qe6=+) 16.Nf1 (16.Nc4 Bc7=) 16...Nc3 (16...Bd7 17.Qd2-/+) 17.Bc3 Nd5 18.Qb3 (18.Qd2 Qe6=+) 18...Be6 (18...g5 19.fg5 Qg5 20.Bc4-/+) 19.Qc2 (19.Bc4 f5-/+) 19...Rec8 (19...f5 20.Rab1-/+) 20.Bd2 (20.Bc4 b5 21.Bb3 h5-/+) 20...f5 21.Bc4 (21.Ng3 a5-/+) 21...Nf6 (21...Rf8 22.Ng3-/+) 22.Rec1 (22.Ng3 g6=+) 22...a6 (22...Rab8 23.Ng3 Nd5 24.Be2=+) 23.h3 (23.Ng3 Nd5=+) 23...Bc4 (23...Nd5 24.Ng3-/+) 24.Qc4=+ Qf7 (24...Nd5 25.Ng3 Qe6 26.Ne2=+) 25.Qe2 (25.Qf7 Kf7 26.Ng3 Kg6=+) 25...Qe6 (25...Qb3 26.g4=+) 26.Be1 h6 (26...Nd5 27.Nd2-/+) 27.Nd2 Nd5 (27...g5 28.fg5 hg5 29.Nc4=+) 28.Nc4= Bc7 (28...g5 29.fg5 hg5 30.Bc3=+) 29.Bd2 (29.Rc2 Rf8=) 29...g5 30.g3 Kh7 (30...Re8 31.Ne5=) 31.Kh1 (31.Kh2 Rg8=) 31...Rg8 32.Rg1 Rg6 33.Kh2 Rag8 (33...Rg7 34.Ne5=) 34.Ne5 (34.Raf1 Bd6=) 34...R6g7 35.Raf1 gf4 36.gf4 Rg1 37.Rg1 Rg1 38.Kg1 Qg8 (38...Ne7 39.Kf2=) 39.Kh2 Qe8 40.Be1 (40.Kg1 Bd6=) 40...Bd6 41.Nc4 (41.Bh4 Qf8=) 41...Bc7 42.Nb2 (42.Ne5!?=) 42...b5=+ 43.Kg1 (43.Nd1 Nb6-/+) 43...Qg6 44.Kf1 (44.Kh2 Qf7=+) 44...Kg8 (44...Nb6 45.Bh4=+) 45.Nd1=+ Kf7 (45...Nb6 46.Nc3=+) 46.Nb2 (46.Nc3 Nb6=+) 46...Ke8 (46...Bd6 47.Nd1-/+) 47.Nd1 Kd7 (47...Nb6 48.Nc3-/+) 48.Nb2 (48.Nc3 Nb6-/+) 48...Bd6-/+ 49.Nd1 (49.Bf2 Be7-/+) 49...Be7 50.Nb2 (50.Bd2 Nb6-/+) 50...Nb6 51.Nd1 Qf7 (better 51...Qe6-/+) 52.Kg1 (better 52.Nc3!?-/+) 52...Nc4–+ 53.Nc3 (53.Kh2 Na3 54.Nf2 Qc4–+) 53...Na3 54.d5 (54.Kh2 Bb4 55.Nb5 Qc4–+ (55...Nb5?! 56.Bb4 Qb3 57.Ba5-/+; 55...ab5?! 56.Bb4 Qc4 57.Qh5 Qb4 58.Qf5 Kd8 59.Qf6 Kc7 60.Qe5 Kb7 61.Qe4–+; 55...cb5?! 56.Bb4 Qc4 57.Qh5 Qb4 58.Qf5 Kc7 59.Qe4–+)) 54...c5 55.Qa2 (55.bc5 Bc5 56.Kh2–+) 55...cb4 56.Ne2 (56.Nb1 Qg8 57.Kh2 Nb1 58.Qb1 Qd5–+) 56...Bc5 57.Kh2 (57.Bf2 a5–+) 57...a5 58.Nd4 (58.Qa1 Nc4 59.Ng3 b3–+) 58...Bd4 59.ed4 Qg8 (59...e3!? 60.Qe2 Nc4 61.Qc2–+) 60.Bd2 (60.Qe2–+) 60…Qc8 0–1. Adamcik,Martin – Jasny,Stanislav (2280), Morava–chT, 2000. (=1.Nf3 d5 2.c4 c6 3.e3 Nf6 4.Nc3 e6 5.a3 Nbd7 6.b4 Bd6 7.Bb2 0-0)

8.d4 Re8 9.Qb3 b6 10.Rc1 Bb7 (10...a5 11.cd5 (11.b5 Bb7 12.cd5 cd5 13.Bd3 Rc8 14.0-0 Qe7 15.Rc2 e5 16.de5=) 11...ed5 12.b5 Bb7 13.bc6 Bc6 14.Nb5 a4 15.Qc2 Bb5 16.Bb5+=; 10...dc4 11.Bc4 (11.Qc4 Bb7 12.Be2 a5 13.b5 Rc8 14.0-0 Qe7 15.Qa4 Red8 16.Ne4=) 11...a5 12.b5 Bb7 13.0-0 Qe7 14.Rfd1 Rac8 15.a4 Red8 16.bc6=; 10...Qe7 11.Bd3 (11.Be2 Bb7 12.0-0 dc4 13.Bc4 a5 14.b5 Rac8 15.Rfd1 Red8 16.a4=; 11.c5 bc5 12.dc5 Bc7 13.Qa4 Nb8 14.Be2 e5 15.0-0 Bf5 16.Rfd1=; 11.Qa4 Bb7 12.c5 Bc7 13.b5 a6 14.bc6 b5 15.Qb4 Bc6 16.Be2=) 11...e5 12.cd5 e4 13.dc6 ed3 14.cd7 Bd7 15.0-0 a5 16.Rfd1+=) 11.Bd3 (11.c5 Bc7 12.Be2 e5 13.0-0 bc5 14.bc5 Qb8 15.de5 Ne5 16.Ne5=; 11.cd5 ed5 12.Nh4 Bc7 13.Nf5 g6 14.Ng3 a5 15.Bd3 Qe7 16.b5=) 11...Rc8 (11...dc4 12.Qc4 a5 13.b5 Rc8 14.bc6 Rc6 15.Qb3 Rc7 16.0-0=) 12.0-0 (12.c5 Bb8 13.0-0 e5 14.de5 Ne5 15.Ne5 Be5 16.Ne2+=) 12...e5 (12...Ba6 13.b5 dc4 14.Bc4 Bb7 15.Rc2 cb5 16.Nb5=) 13.cd5 (13.de5 Ne5 14.Ne5 Be5 15.cd5 Qd6 16.dc6+=) 13...e4 (worse 13...cd5 14.Nb5 Bb8 15.Rc8 (15.de5 Rc1 16.Rc1+–) 15...Bc8 (15...Qc8 16.Rc1+–) 16.de5+–) 14.Ne4 (14.dc6 Bc6 15.Ng5 ed3 16.Nf7 Bh2 17.Kh2 Qc7 18.Kg1+–) 14...Ne4-/+ (14...Re4?! 15.Be4 Ne4 16.dc6 Rc6 17.Rc6 Bc6 18.Rc1=) 15.dc6 Bc6 (15...Rc6 16.Rc6-/+) 16.Rc6 (better 16.b5!? Bb7 17.Rc8 Qc8 18.Bc4-/+) 16...Rc6–+ 17.Be4 Re4 18.Qd5 Rc2 (better 18...Re6!? 19.Ng5 Nf6–+) 19.Qe4-/+ Rb2 20.Rc1 Qe7 (20...a5 21.Qc6 Nf8 22.Qc3-/+) 21.Qd3 Qe6 22.Ng5 Qg6 23.Ne4 Qf5 (better 23...Bf8!?-/+) 24.Qc3= Re2 25.Kf1 Ra2 26.Qb3 Qe6?? (better 26...Qe4 27.Qa2 a5+=) 27.Qe6+– fe6 28.Nd6 Ra3 29.Rc7 Nf8 30.Ne8 g6 (30...a5 31.ba5 ba5 32.Rg7 Kh8 33.Rf7+–) 31.Nf6 Kh8 32.Rf7 1–0. Pandurevic,Miro (2240) – Kobas,Mihael (1785), Bosnjaci CRO, Open, 2012.

8.d4 Re8 9.Qc2 a5 10.b5 e5 11.bc6 bc6 12.cd5 cd5 13.Nb5 Bb8 14.de5 Ne5 15.Ne5 (15.Be2 Nf3 16.Bf3 Bg4=) 15...Be5 16.Be5 Re5 17.Qc7 (17.Nd4 Bd7=) 17…Qc7 ½–½. pierre (2095) – JurgBehrmann (1735), internet, 2006.

8.d4 Re8 9.Qc2 Bb8 10.Be2 =.

8.d4 Re8 9.Bd3 e5 10.de5 Ne5 11.Ne5 (11.cd5 cd5 12.Nb5 Bg4=) 11...Be5 12.0-0 (12.cd5 cd5 13.0-0 Bg4=) 12...Bh2 (12...dc4 13.Bc4 Qe7 14.Qc2=) 13.Kh2= Ng4 14.Kg3 Qd6 15.f4 Qh6 (better is 15...Ne3 16.Qh5 g6=) 16.f5?? (better is 16.Bc1 Qh2 17.Kf3=) 16...Ne3 (16...Re3 17.Rf3 Qh2 18.Kg4 h5 19.Kg5 f6 20.Kg6 Qg2 21.Rg3 Qg3 22.Kh5 Qg5) 17.Rh1?? (better is 17.Qf3 Nf1 18.Qf1–+) 17...Qg5 18.Kf3 Nd1 19.Nd1 Bf5 20.Bc1 Qg4 21.Kf2 Bd3 22.Be3 Qe2 23.Kg3 Re3 24.Ne3 Qe3 25.Kh2 Re8 26.cd5 cd5 27.Rhc1–+ Bc4 28.a4 Re6 29.g3 Qf2 30.Kh3 Rh6 31.Kg4 Be2 (32.Kg5 f6#) 0–1. Antonini,Giovanni – Regorda,Vittorio, Ceriano Laghetto op–B, 2003.

8.d4 h6 9.Rc1 dc4 (9...Qe7 10.c5 Bc7 11.b5=) 10.Bc4 Nb6 (10...Qe7 11.e4 Bf4 12.Rc2+=) 11.Bb3 (11.Bd3 Qe7+=) 11...Qe7 (11...a5 12.b5=) 12.0-0 (12.e4 Bf4 13.Rb1 a5 14.ba5 Ra5+–) 12...Nbd5 (12...a5 13.ba5 Ra5 14.a4=) 13.Re1 Nd7 (13...a5 14.ba5 Ba3 15.Ba3 Qa3 16.Ra1=) 14.Qd3 (14.e4 Nc3 15.Bc3 Rd8+=) 14...Kh8 15.Bc2 N7f6 16.Ne5 Bd7 17.Ne4 Ne4 18.f3?? Ndf6?? 19.Nd7= Qd7?? 20.fe4+– e5? 21.de5 Be5 22.Qd7 Nd7= 23.Bd4 a6 24.Rf1 Rad8 25.Rcd1= Rfe8 26.Rf7+/– Bd4 27.ed4 b6 28.e5 c5? 29.e6! Re6 30.dc5 bc5 31.Rdd7 Rde8 32.bc5 Re1 33.Rf1 (33...R1e6 34.Rdf7+–) 1–0. slogger – Bull_Dog_Baz, ChessWorld.net, 2007.

8.cd5 cd5 9.Nb5 Bb8 10.Rc1 a6 11.Nbd4 Re8 12.Qc2 Nb6 13.h4 (13.Be2 e5 14.Nb3 Bg4=) 13...Qd7 (13...e5 14.Nf5=+) 14.Be2 e5 15.Nb3 Qg4 (better is 15...Na4=+) 16.Ne5!+/– Qe4 (16...Re5 17.Bg4) 17.d3 (17.Qe4 de4 18.d4 Nbd5+/–) 17...Qf5 (17...Qg2 18.Bf3 Qh1 19.Bh1 Be5 20.Be5 Re5+–) 18.Nf3 Qg6 19.Nc5 Bf5 (19...a5+/–) 20.Qc3 Bd6 21.h5 Qh6 22.Qd4 Re7 23.Rh4 Rae8 24.g4 Bg4 25.Rg4 Ng4 26.Qg4 Bc5 27.bc5 Nd7 28.c6 Nf6?? 29.Bf6 Qf6 30.c7 (30...Rc7 31.Rc7+–) 1–0. Deline,R – Wright, New Liskeard, 1988.

8.Be2 b6 9.0-0 Bb7 10.Rc1 Re8 11.h3 e5 12.cd5 cd5 13.Nb5 Bb8 14.Qb3 a6 15.Nc3 b5 16.Ne1 Nb6 Black intends d4 17.Ba1 Nc4 18.d3? (18.Nb1 e4+=) 18...Nb6?? (better is 18...Nd2 19.Qd1 Nf1 20.Kf1 Qe7–+) 19.Nc2 Qd6 20.e4 d4 (20...de4!? 21.de4 Ne4 (worse is 21...Be4 22.Rfd1 Bc2 23.Qc2=) 22.Ne4 Be4-/+) 21.Nd1+= Bc8 22.Ne1 Be6 23.Qb2 Nbd7 24.f4 ef4 25.Qd4?? (25.Nf3 Ba7=) 25...Qd4 (better is 25...Ba7 26.Rc5 Qe7–+ (26...Bc5?! 27.bc5 Qc6 28.Qd6-/+)) 26.Bd4+= Bd6 27.Rc6 Be5 28.Nc2 (28.Nf3!? Bd4 29.Nd4+=) 28...Rec8 29.Rc8 Rc8 30.Be5 Ne5 31.Nd4 g5 32.g3 (32.Nf3 Rc2=) 32...Rd8 (better is 32...Bh3!? 33.Rf2 Ng6-/+) 33.Ne6 fe6 34.gf4 (34.Nb2=) 34...gf4 (better is 34...Nd3 35.fg5 Ne4-/+) 35.Rf4+= Kg7 36.Nf2 Rd4 37.Kf1 (37.Kh2 Nd5 38.Rh4 Ng6=) 37...h5 (better is 37...Nd5!? 38.Rh4 Ne3 39.Kg1 Ng6+=) 38.Ke1+= Kg6 39.h4 Nfg4 (39...Kg7!?=) 40.Ng4 (40.Bg4?! hg4 41.Rg4 Ng4 42.Ng4 Kh5+=) 40...hg4 41.Bg4?? (better is 41.Kd2 g3 42.Rf1+/–) 41...Nd3–+ 42.Kd2 Nf4 43.Ke3 Rd3 (better is 43...e5–+) 44.Kf4 Ra3 45.Be6 Ra1 46.Bf5 Kh6 47.e5 Ra4 48.e6 Rb4 49.Ke5 Kg7 50.h5 Rb1?? 51.h6! Kh6 52.e7 Re1 53.Be4 Kg7 54.e8Q 1–0. orangutanb4 (1985) – shahisti79 (1815), internet, 2012.

8.Be2 dc4 9.Bc4 Nb6 10.Bd3 =.

8.Be2 dc4 9.Bc4 Nb6 10.Be2 Nbd5 11.0-0 Re8 12.Qc2 h6 (12...e5 13.d4 e4 14.Ne5=) 13.Rfe1 e5 14.Ne4 Ne4 15.Qe4 e5 draws heavy fire 15...Nf6 16.Qh4 Bf5 17.d4 ed4 18.Nd4 (18.ed4?? Re4 19.d5 Rh4 20.Nh4 Be4 21.dc6 bc6–+) 18...Bg6 19.Bf3 Ne4 20.Qd8 Rad8 21.Nb3 Be5 (21...f6 22.Bd4=) 22.Be5+= Re5 23.Red1 Red5 24.Na5 (24.Rd5!? cd5 25.Rc1+=) 24...Rd1= 25.Rd1 Rd1 26.Bd1 Nd6 27.Bf3 Bd3 ½–½. Sopko,Cassio Roberto – Bratteteig,Tore_Inge (1690), Copenhagen DEN, Politiken Cup, 2013. (=1.Nf3 d5 2.b4 c6 3.Bb2 Nf6 4.e3 e6 5.a3 Nbd7 6.c4 Bd6 7.Nc3 0-0)

8.Be2 e5 9.d4 e4 (9...dc4 10.de5 (10.Bc4 Qe7 11.Qc2 e4 12.Nd2 Nb6 13.0-0 Bf5 14.Be2) 10...Ne5 11.Ne5 Be5 12.Qd8 (12.Bc4 Bg4 13.f3 Re8 14.0-0) 12...Rd8 13.Bc4= a5 14.0-0) 10.Nd2 Bc7 (10...Re8 11.Rc1= (11.0-0 Qc7 12.g3 dc4 13.Qc2 b5 14.Nde4) 11...dc4 12.Nc4 Nb6 13.Nd6 Qd6 14.Qc2; 10...dc4 11.Nc4 Nb6 12.Nd6 Qd6 13.Qc2 Re8 14.Rc1) 11.Qc2 (11.cd5 cd5 12.Rc1 (12.Nb5 Bb8 13.0-0 Nb6 14.Rc1) 12...Nb6= (12...a6 13.Qc2 Bd6 14.0-0) 13.Qc2 Bd6 14.Nb5) 11...Nb6 (11...a5 12.b5= (12.0-0 Nb8 13.cd5 cd5 14.Rfc1) 12...h5 13.Rc1 Bd6 14.0-0; 11...dc4 12.Nc4 Qe7 13.0-0 Nb6 14.Ne5) 12.Rc1 (12.c5 Nbd7= 13.0-0 Nh5 14.b5) 12...Ne8 (12...Re8 13.b5= (13.c5 Nbd7 14.0-0) 13...dc4 14.Nc4; 12...Bf5 13.c5 Nbd7 14.h3) 13.a4 (13.cd5 cd5 14.Nb5) 13...Qg5 (13...Bf5 14.cd5) 14.g3 (14.cd5 cd5 15.a5 Nd7+=) 14...Be6 15.a5 Nd7 16.Ba3 (16.Qa4 a6=) 16...a6 (16...Bd6 17.Qa4 Qe7 18.c5+=) 17.cd5 (17.b5 Bd6 (worse 17...Ba5 18.Bf8 Nf8 19.ba6+–) 18.Bd6 Nd6=) 17...cd5 18.Nb3 Rc8 (18...Bd6 19.Nc5 Rb8 20.b5=) 19.Qb2 (19.b5 Nd6+=) 19...Nd6 (19...Bd6 20.b5 ab5 21.Nb5 Ba3 22.Qa3 Rc1 23.Qc1=) 20.Nc5 (20.b5 Qf5=) 20...Nc5 (20...Bh3 21.Nb7 Nb7 22.Ba6-/+) 21.bc5= Nc4 22.Bc4 dc4 23.Bb4 (23.Qb7 Ba5 24.Qa6 Bc3 25.Rc3 Qh5=) 23...Qh5 24.h4 (24.Ne4? Qf3 25.Rf1 Qe4–+) 24...Qf3 (24...Rfe8 25.Rg1=+ (25.Ne4?? Qf3 26.Rg1 Qe4–+)) 25.Rg1= Rfd8 26.Qc2 f5 27.Qe2 Qe2 28.Ke2 Bd7 29.Kd2 (29.Nb1 Bb5+=) 29...Kf7 (29...Be6 30.Na4+=) 30.Nb1 Bb5 (30...Be6 31.Na3+=) 31.Kc3 (31.Na3 c3 32.Rc3 Bc6+–) 31...Ke6+= 32.Nd2 Kd5 33.Rcf1 (33.g4 f4 34.f3 ef3 35.e4 Kc6 36.d5 Kd7 37.Nf3 Re8+–) 33...g6 (33...h5 34.f3 ef3 35.Rf3=) 34.f3 (34.g4 Rg8=) 34...ef3= 35.Rf3 h5 36.e4 (36.Re1 Re8=) 36...fe4=+ 37.Re3 Re8 38.Rge1 Re6 39.Re4 (39.Ne4? Rce8 40.Nf6 Rf6 41.Re8 Be8 42.Re8 Rf3 43.Kd2 Kd4–+) 39...Re4 40.Ne4 Rf8 41.Re3 Rf1 42.Nd6 Kc6 (better 42...Rb1!? 43.Re7 Rb3 44.Kc2 Rb4 45.Rc7 Ba4 46.Kd2 Rb2 47.Kc3 Rb3 48.Kd2 Kd4 49.Rb7 Rd3 50.Ke2 Kc5 51.Ne4 Kd4–+) 43.Ne4 Rb1 (43...Kd7 44.Kd2=) 44.d5+= Kd7 45.c6 (45.Nd2 Rg1 46.Nf3 Rg3=) 45...bc6= 46.Nf6 (46.Nc5 Kd8 47.dc6 Bc6 48.Kc4 Bb5 49.Kc3 Bb8=) 46...Kc8 47.Re8 Kb7 48.Re7 Rb3 (better 48...c5 49.Bc5 Kb8 50.Nd7 Bd7 51.Rd7 Kc8=) 49.Kd4 (49.Kc2 A) 49...Rb4? 50.d6 c5 51.Rc7 (51.dc7?! Bc6=) 51...Kb8 52.Rc5+–; B) 49...cd5 50.Bd6 Kc6 51.Bc7 Ba4=) 49...Rd3 (49...Kc8 50.d6 Bd8 51.Bc5 Rd3 52.Ke5–+) 50.Ke4 (better 50.Kc5 Kc8 51.Re8 Bd8 52.dc6=) 50...Kc8-/+ 51.Re8 (better 51.d6 Bd6 52.Bd6 Rd6 53.Ke5-/+) 51...Kb7?? (better 51...Bd8 52.d6 c3 (52...Rg3 53.Bc5 Rd3 54.Ke5 Rd5 55.Nd5 cd5 56.Rg8+–) 53.d7 Kc7 54.Bc3 Rc3–+) 52.Re7= Kc8 (52...Rg3 53.d6 c5 54.Rc7 Kb8 55.Bc5+–) 53.Re8 ½–½. Boor,Carl Brando (2230) – Puri,Vinny (2245), Masters, Las Vegas USA, 2006.

8.Be2 Ne5 9.Ne5 Be5 10.f4 Bc7 11.0-0 Bd7 12.Qc2 White intends f5 12...Rc8 13.Rf3 e5 14.f5 e4 15.Rf2 Re8 16.g4 h5 17.g5? (better is 17.gh5 Nh5 18.Raf1+=) 17...Ng4–+ 18.Bg4 hg4 (better is 18...Qg5!? 19.f6 g6–+ (19...gf6?! 20.cd5 f5 21.Qa4-/+)) 19.f6-/+ g6 20.Ne2 Bf5 21.c5 g3 22.hg3 Bg4 23.Nf4 Qd7 24.Ng6 Bf3 (24...fg6 25.f7 Double attack (25.f7 Passed pawn)) 25.Rh2 fg6 26.f7 Kf7 27.Rh7 Ke6 28.Rd7 Kd7?? (28...Rh8 29.Rg7 Rh1 30.Kf2 Rh2 31.Kg1 Rh1 32.Kf2 Rh2 33.Kg1 Rh1=) 29.d3?? (better is 29.Rf1!? Rf8 30.Bf6+–) 29...Bg3 (29...Rh8!? 30.Bh8 Rh8=) 30.Rf1+/– Rh8 31.Bh8 (31.Bh8 Rh8 Combination) 31...Rh8 32.Rf3 ef3 33.Qd1 Rf8 34.e4?? (34.Qa1 Kc8+–) 34...Bh4? (better is 34...Kc7+/–) 35.ed5 Bg5 36.dc6 bc6 37.Qe1?? (better is 37.Kf1 Bf4 38.Qa4+–) 37...f2–+ (37...f2 38.Qf2 Rf2 39.Kf2 Ke6–+) 0–1. Chiarion,Elisa (1905) – Galletti,Armando (1850), 7th Florence op, 2009.

8.Be2 Qe7 9.d3 Secures e4 9...Rd8 10.Qb3 (10.c5 Bb8=) 10...Nf8 11.0-0 Ng6 12.Rfe1 dc4 13.dc4 e5 14.e4 (14.c5 Bc7+=) 14...Nf4 15.c5 This push gains space 15...Ne2 (15...Bc7 16.Rad1+=) 16.Ne2= Bc7 White has an active position 17.Ng3 Black has a cramped position 17...Bg4 18.Nf5 White threatens to win material: Nf5xe7 18...Qe8 Black has a cramped position 19.Qe3 Bf5 20.ef5 The pressure on e5 grows 20...Nd5 21.Qg5 (21.Qb3 f6 22.Nd4 Qh5=) 21...f6+= 22.Qg4 Qf7 23.g3 Covers f4 23...Ne7 24.h4 (24.Rad1!?=) 24...h5-/+ Black threatens to win material: h5xg4 25.Qh3? (better is 25.Qe4-/+) 25...Qb3–+ 26.Be5 Be5 27.Ne5 fe5 28.Re5 Qf7 29.Rae1-/+ Nd5 30.g4 hg4–+ 31.Qg4 Re8 32.Re6 Re6 33.fe6 Qf6 34.Re4 Rf8 35.f4?? White falls apart 35...Qa1 36.Kh2 Nf6 37.Qe2 Ne4 38.Qe4 Qf6 39.Kg3 Re8 40.f5 g6! Deflection: e6 41.Qg4 Qf5 0–1. Marchio,Enrico (2330) – Mueller,Thorsten (2125), Hessen–ch MT, 2001. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Bd6 5.e3 Nbd7 6.c4 c6 7.Nc3 0-0)

8.Be2 Re8 9.Qb3 dc4 10.Bc4 Nb6 11.Be2 e5 12.d3 (12.0-0 Be6 13.Qc2 Nc4=) 12...h6 (12...Bf5 13.0-0+=) 13.0-0= Be6 14.Qc2 Bf5 (14...a5 15.Rfd1=) 15.e4 (15.Ne4!?+=) 15...Bd7 16.Rad1 Qe7 17.Rfe1 (17.d4!? ed4 18.Nd4 Ne4 19.Ne4 Qe4 0.Bd3=) 17...a5+= 18.d4 ed4 19.Rd4 (19.e5 Be5 (19...dc3?! 20.ed6 Qf8 21.Bc3=) 20.Bd3 dc3 21.Bc3 Nbd5 22.Ne5 ab4 23.ab4 Be6-/+) 19...ab4 20.Rd6? (better is 20.ab4 Bb4 21.e5-/+) 20...bc3–+ (20...Qd6?! 21.e5 Qe6 22.ef6 bc3 23.Bc3 gf6 24.Ba6–+) 21.Rd7 (21.Qc3 Qd6 22.e5 Qe6 23.ef6 Na4–+) 21...Nbd7 (21...Nfd7?! 22.Qc3 Nf6 23.e5–+; 21...Qd7?! 22.Bc3 Qe7 23.Bf6 Qf6 24.Rb1–+) 22.Qc3 Qc5 (22...Qe4!? 23.Ba6 Qa4 24.Be2–+) 23.Qc5 Nc5 24.e5 Nd5 25.g3 Na4 26.Bc1 Nac3 27.Bd3 0–1. Ivanets,Vladimir (2240) – Karpova,Lyudmila (2120), Ugra cup – Open B, 2008. (=1.Nf3 d5 2.b4 Nf6 3.e3 Nbd7 4.c4 e6 5.a3 c6 6.Bb2 Bd6 7.Nc3 0-0)

8.h3 a5 9.g4 ab4 10.ab4 Ra1 11.Qa1 Bb4 12.g5 Ne8 13.cd5 ed5 14.h4 Bc5 15.h5 d4 (better is 15...f6!? 16.g6 h6-/+) 16.Ne4=+ de3 17.fe3 Qe7 18.Bd3 Be3?? (18...Nd6 19.Qb1 Ne4 20.Be4 f5 21.Bf5 Rf5 22.Qf5 Nb6+/–) 19.de3+/– Nc5 20.Qa3 Nd3 21.Qd3 Bf5 22.Rh4 Qb4 23.Qc3 Qb5? (better is 23...Qc3 24.Nc3 f6+–) 24.Nd6!! Qd5?! (24...Nd6 25.Qg7) 25.Ne8 f6 26.Nf6 gf6 27.Qc4 (better is 27.Rf4!? Rf7+–) 27...Be6 28.Qd5 Bd5 (28...cd5?? 29.gf6 b5 30.Rh2+–) 29.gf6?? (better is 29.e4 fg5 30.Ng5+– (30.ed5 gh4 31.Nh4 cd5=+)) 29...Bf3+/– 30.Kf2 Bd1 31.e4 Kf7 32.e5 b5 33.h6 Bb3 34.Rg4 Rg8 35.Rg7 Rg7 36.hg7 c5 37.Ke3 Ba2 38.Kf4 Bb3 39.Kg5 Ba2 40.Bc1 Be6 41.Be3 c4 42.Bd2 Bd5 43.Kf5 Be6 44.Ke4 h5 45.Kf4 (better is 45.Be1!?+/–) 45...h4= 46.Bc3 h3 47.Kg3 Kg6 48.g8Q Bg8 49.Kh3 Kf5 50.Kg3 Bd5 51.Kf2 Ke4 52.Ke2 Bf7 53.Kd2 Kd5 54.Kc2 Kc5 55.Kb2 b4 56.Be1 ½–½. Campos Calvo,Sotelo Juan – Cabrero de Cabo,Miguel (2180), Vila de Padron op 1st, 2000.

8.h3 dc4 9.d3 cd3 10.Qd3 Ne5 11.Ne5 Be5 12.Rd1 Qe7 13.Be2 Nd5 14.b5 Qg5 15.g3 Nc3 16.Bc3 Bc3 17.Qc3 cb5 18.h4 Qf5 19.h5 h6 20.g4 Qe4 21.f3 Qc6 22.Qe5 f6 23.Qd4 a6 24.g5 fg5 25.e4 b6 26.a4 ba4 27.Qe5 b5 28.Rd2 Ra7 29.Qb2 Raf7 30.Rd3 g4 31.Qd4 gf3 32.Rc3 Qd7 33.Qd7 Bd7 34.Rf3 Rf3 35.Bf3 Rf3 36.Ke2 Rf4 (37.Kd3 Bc6–+) 0–1. Pierred (2180) – Schlaumeier (2385), Rated game, 2005.

8.h3 Re8 9.Be2 Ne5 10.c5 White gains space 10...Nf3 11.gf3 (11.Bf3 Be7=) 11...Bc7 12.Qc2 e5 13.0-0-0 (13.Bf1 d4 14.Ne4 Ne4 15.fe4 Qf6-/+) 13...a5 (13...g6 14.Bf1+=) 14.Rdg1 (14.b5 Qe7+=) 14...ab4 15.ab4 b6 (15...Kh8 16.Rd1-/+) 16.f4 (16.cb6 Bb6 17.h4 Qd6-/+) 16...ef4 17.cb6 Bd6 Black threatens to win material: Bd6xb4 (17...Be5 18.b5+=) 18.Bd3 (18.Na4!? is worthy of consideration 18...Qe7 A) 19.Qc6 Bd7 20.Bf6 A1) 20...Bc6?! 21.Rg7 Kf8 22.Be7 Ke7 23.b5= (23.Rh7? would be great except for 23...Ra4 24.Bd1 Rb4 25.ef4 Rb6 26.Re1 Kf6 27.Re8 Be8–+); A2) 20...Qf6–+; B) 19.b5+=) 18...Bb4+= (18...Qb6 Not 19.Na4 Qb4 20.Bf6=) 19.Bh7 (19.Na4 Qd6-/+) 19...Kf8 (19...Nh7 20.Nb5 f6 21.Nc7–+) 20.b7 (20.Na4!?+= is interesting) 20...Bb7-/+ 21.Qb3? (better is 21.Bd3-/+) 21...c5–+ (21...Nh7 22.Qb4 Re7 23.Na4 fe3 24.Rg7 ed2 25.Kd2+/–) 22.Ne2 (22.Bb1 does not solve anything 22...d4 23.e4 dc3 24.dc3 Re4 25.Be4 Ne4–+ (25...Be4?! 26.cb4 Bh1 27.Rh1–+)) 22...d4 23.Nf4 (23.Bd3 is no salvation 23...fe3 24.fe3 de3–+) 23...de3 (better is 23...Bh1 keeps an even firmer grip 24.Rh1 de3 25.de3 Qd2 26.Kb1 Nh7–+) 24.Rg7 (24.de3 is not the saving move 24...Bh1 (24...Nh7?? leads to instant death in 3 25.Qf7 Kf7 26.Rg7 Kf8 27.Ng6) 25.Rd1 Qe7 26.Rh1 Nh7–+) 24...Qd2 (better is 24...ed2 and Black can celebrate victory 25.Kc2 Kg7–+) 25.Kb1 Nd5 (better is 25...Kg7 nails it down 26.Rg1 Kf8 27.Bf6 Be4 28.Be4 Re4 29.fe3 Re3 30.Bg7 Ke8–+) 26.Bf6!!+– Deflection: d5 26...Nc3 27.Bc3 Bd5 28.Bf6! Mate threat 28...Ra1 29.Ka1 Bc3 30.Bc3 Bb3 31.Bd2 Kg7 32.Be3 Kh7 33.Bc5 Re4 34.Be3 Kg8 35.Kb2 Ba4 36.Rg1 Kf8 37.h4 Rc4 38.h5 Bc2 39.Rc1 1–0. Campos Calvo,SJ – Fernandez Losada,A, Vila de Padron op 1st, 2000.

9.cd5 cd5 10.Nb5 Bb8 11.Rc1 e4 12.Nfd4 Nb6 (12...Be5 13.f4 ef3 14.Nf3 Bb2 15.Qb2=) 13.Be2 (13.Nc7 Bc7 14.Qc7 Re8+=) 13...a5 (13...Bg4 14.Nc7 Bc7 15.Qc7 Be2 16.Ne2=) 14.ba5 Ra5 15.Bc3 Ra4 16.Bb4 Re8 17.h3 Bd7 18.0-0 Kh8 (18...Qc8 19.Bc5 Ra6 20.Nd6 Bd6 21.Bd6 Qc2 22.Rc2=) 19.Nc7 (19.Bc5 Ra5+=) 19...Bc7 (19...Rg8 20.d3=) 20.Qc7+= Qc7 (20...Ra7!?+=) 21.Rc7+/– Rb8 22.Rfc1 (22.d3 Na8 23.Rc3 Rc8 24.Rc8 Bc8 25.de4 de4+/–) 22...Rc8 (22...Na8 23.R7c5+=) 23.Rc8 (23.d3 Ne8 24.Rc8 Nc8+/–) 23...Bc8 24.Rc7 Kg8 25.Bb5 Ra8 26.Kf1 h6 27.Ke1 Nfd7 28.Nf5 Kh7 29.Nd6 Ne5 30.Bc5 Nbc4 31.Nc8 Nd3 32.Ke2 Nc5 33.Rc5 Na3 34.Bd7 Nc4 35.Rd5 g6 36.Rc5 Na5 37.Nd6 f5 38.Rc7 Kh8 39.g4 b6 40.gf5 g5 41.f6 Nb3 42.Ne4 Rf8 43.Bf5 Rd8 44.Rh7 Kg8 45.f7 Kf8 46.Rh8 Kf7 47.Rd8 (47…Ke7 48.Rd7 Kf8 49.Rb7 Nc1 50.Kd1+–) 1–0. Mephisto Mondial12 – GrandMasterChess, 1994.

9.cd5 cd5 10.Rc1 =+.

9.cd5 cd5 10.Be2 a6 11.Rc1 b5 12.d4 e4 13.Nd2 Nb6 14.Nce4? (better is 14.0-0=) 14...de4 15.Ne4 Be6 (15...Bf5 16.Nf6 Qf6 17.Qb3–+) 16.Qc6? (16.Nf6 Qf6 17.d5=) 16...Ne4–+ 17.Qe4 Bd5 18.Qd3 Bc4 19.Rc4? Nc4 20.Ba1 Re8 21.h4 Rc8 22.f4 Re3 23.Qf5 Qe8 24.Qg4 f5! (25.Qf5 Re2 26.Kd1 Ne3 27.Ke2 Nf5 28.Kd2 Bf4 29.Kd3 Qe3#) 0–1. Johnston,R – Mellen,S, Detroit, 1991.

9.cd5 cd5 10.Be2 e4 11.Nd4 =+.

9.h3 Re8 10.Be2 e4 11.Nd4 a6 12.g4 Ne5 13.g5 Nfd7 14.cd5 Qg5? (better is 14...cd5 15.Nd5 Nd3 16.Bd3 ed3 17.Qd3 Ne5+=) 15.Ne4+– (15.Qe4?! c5 16.h4 Qd8 17.bc5 Bc5=) 15...Qg6 16.Nd6 Qd6 17.f4 Ng6 18.h4 (18.dc6 Nb8+–) 18...Nf6 (better is 18...Qd5!? 19.Bf3 Qd6+/–) 19.dc6+– bc6 20.h5 (20.Nc6 Bb7 21.Rc1 Rac8=+) 20...Ne7 21.Qc5 Qc5 22.bc5 Rb8 23.0-0-0 Ne4 24.Rhg1 Nc5 25.Rg5 (25.Rg7! Kg7 26.Ne6 Kg8 27.Rg1 Ng6 28.Nc5 Rb6+–) 25...Na4 26.Ba1 h6 27.Ra5 c5 28.Ra4 cd4 29.Bd4 Nf5 30.Bc3 (30.Ba6 Ba6 31.d3 Nd4 32.Rd4 Rec8 33.Kd2 Rb2 34.Ke1 Rh2–+) 30...Re6 31.Rg1 Reb6 32.Rb4 Be6 33.e4 Ne7 34.Bg7 Kh7 35.Bf6 (35.Bc3!? Rb4 36.Rg7 Kh8 37.ab4 Rc8 38.Rg3 f6 39.Ba6 Rf8+–) 35...Rc6 36.Kb2 Rg8 37.Rg8 (37.Be7?! Rg1 38.e5 Rg2+=) 37...Ng8 38.Bh4 a5 39.Rb8 a4 40.d4 Bb3 41.Bd3 Kg7 42.e5 Rc7 43.f5 Rd7 44.f6 Kh8 45.Bf2 Bd1 46.Be3 Bh5 47.Bh6 Bg6 48.Bg6 fg6 49.e6 Rd4 50.f7 Kh7 51.fg8Q (51...Kh6 52.Qh8 Kg5 53.Qd4 Kf5 54.Rf8 Ke6 55.Rf6 Ke7 56.Qd6 Ke8 57.Rf8#) 1–0. Steffens,Olaf (2265) – Ludwig,Ines, Pyramiden Franken Cup 2nd, 1999.

10.Bd3 h6 11.0-0 (11.Ne4 Bc7 12.Rc1 a6=) 11...Qe7 (11...Re8 12.b5+=) 12.Ne4+= Bc7 13.Rac1 (13.b5 cb5 14.Bb5 a6+=) 13...a6 (13...f5 14.Nc3 Nc3 15.Bc4 Kh7 16.Bc3=) 14.Be2 (14.h3 Re8=) 14...N7f6 15.d4 Ne4 16.Qe4 Nf6 17.Qh4 e4 18.Ne5 Be6 19.f4 (19.h3 Rfd8=) 19...Nd5= 20.Qg3 (20.Qe7 Ne7 21.g4 f5=) 20...Bd8 (20...Bf5!?=) 21.f5+= Bc8 22.Bc4 Qf6 (22...Qg5 23.Bd5 Qg3 24.hg3 cd5 25.Rc5+=) 23.Qf2 (23.Bd5 cd5 24.Rc5 Qd6+=) 23...Be7 (23...Qd6 24.Bd5 cd5 25.Qg3+=) 24.Bb3 Qh4 (24...Qg5 25.Rce1+=) 25.Qh4 (25.g3 Qg5 26.Rce1 h5+=) 25...Bh4+= 26.Bd5 cd5 27.Rc5 Bg5 28.Bc1 Rd8 29.Rc7 Rf8 (29...Rd6 30.Rf7 Bd8 31.Bd2+=) 30.g4 (30.Bd2 b5+=) 30...b6 31.Bd2 Bd8 32.Rc6 (32.Rc3 Bb7+=) 32...Bb7 33.Rd6 Rc8 34.Rc1 Rc1 35.Bc1 Bc7 36.Rd7 Rc8 37.Bb2 (37.Nf7? Bc6 38.Re7 Kf8 39.Rc7 Rc7–+) 37...Ba8 38.f6 (38.Nf7? Bc6 39.Nh6 gh6–+) 38...Bd8 39.g5 hg5 (39...gf6? 40.Nf7 fg5 41.Nd8+–) 40.fg7 Bf6 (worse 40...Kg7 41.Nf7 (worse 41.Rf7 Kh6=) 41...Kf8 42.Nd8+– (42.Rd8?! Rd8 43.Nd8 Ke7=)) 41.Nf7 Bg7 42.Ng5 (42.Nd6 Rb8=) 42...Bh6 43.Rd6 (43.h4 Bc6 44.Rd6 Bg5 45.Rg6 Kf7 46.Rg5 Rh8=) 43...Bg5 44.Rg6 Kh7 45.Rg5 Bc6 (45...Rc2 46.Rg2 Rg2 47.Kg2=) 46.Bc3 (46.h4 Rg8=) 46...Bb5 (46...Rg8 47.Rg8 Kg8 48.Kf2=) 47.Be1 Rc1 (47...Rg8 48.Rg8 Kg8 49.Kf2=) 48.Kf2 Bc4 49.Re5 Ra1 50.Re7 Kg6 (50...Kg8 51.Re6=) 51.Re6 Kf5 (51...Kg5 52.Rb6 Ra3 53.h3=) 52.Rb6 Ra2 53.Kg3 Ra3 ½–½. Nemec,Zdenek – Vaassen,Jack, b2–b4.com, 2004.

11.b5 cb5!? 12.Neg5 N5f6 13.Bb5 h6 =+.

11.b5 c5 12.Nc5+= Qe7 (12...Nc5 13.Qc5 Re8 14.e4+=) 13.Rc1 (13.Nd7 Bd7 14.Qe4+/–) 13...b6? (better is 13...Bd6!? 14.d4 ed4 15.Bd4 b6 16.Nd7 Bd7+=) 14.Nd7+– Bd7 15.Bc4 (15.Qe4!? Be6 16.Bc4 Rd8 17.Ne5 Be5 18.Qe5 f6+–) 15...Nf6+/– 16.Qb3 (16.d4 ed4 17.Bd4 Bd6+/–) 16...Bd6 17.d4 ed4 18.Nd4 Ne4 19.Bd5 Nc5 20.Rc5 bc5+= 21.Ba8 cd4 22.Bc6 de3 23.Bd7 ef2=+ 24.Kf2 Bc5 25.Kf3 Qd7–+ 26.Rd1? Qf5 27.Kg3 Bf2# 0–1. Mohring,Norbert (1815) – Graf,Joachim (2170), Alpenpokal, 2002.

11.Bc4 Qe7 12.Neg5 (12.b5 f5 13.bc6 bc6=) 12...N7f6 13.d4 e4 14.Ne5 Bf5 15.Qe2 (15.0-0 Ne8 16.Ne4 Nd6-/+) 15...Be5 (15...Ne8 16.Qh5-/+) 16.de5 Ng4 (16...Nd7 17.f4=+) 17.Ne4 Ne5 18.Ng3 Bg6 (18...Bg4 19.Qc2=) 19.Rc1 (19.0-0 Nb6 20.Be5 Qe5+/–) 19...Rad8 20.0-0 b5 21.Bd5 Bd3= 22.Qh5 Rd5 23.e4 Be4 24.Ne4 Nc4 25.Qg4 Nb2=+ 26.Rc6 f5 (26...Rd4 27.Qe2 Qe4 28.Qb2 Rb4 29.ab4 Qc6 30.Qd4-/+) ½–½. Schoppmeyer,Herbert – Laux,R, corr FRG–ch M185, 1968.

11.Bc4 f5 12.Nc3 N7b6 13.Bb3 =.

11.Bc4 f5 12.Nc5 Nc5 13.bc5 =.

11.d4 =.

11.Neg5 N5f6 =.

8.b5 cb5 9.Nb5 Bc5 =.

8.d4 0-0 9.Bd3 Bb7 (9...dc4 10.Bc4 b5 (10...a5 11.b5 Bb7 12.bc6 Bc6 13.Nb5 Qe7 14.Qe2 Rfc8 15.0-0) 11.Bd3= a5 12.ba5 Ra5 13.Qc2 Re8 14.0-0 h6 15.Rfd1) 10.0-0 (10.c5 Be7+= (10...Bc7 11.0-0 Qe7 12.Qa4 a5 13.Qc2 bc5 14.bc5 e5 15.de5) 11.0-0 a5 12.Qe2 Qc7 13.Na4 b5 14.Nc3 Ra7 15.Qc2) 10...Rc8 (10...dc4 11.Bc4 a5 12.ba5 Ra5 13.e4= e5 14.Qc2 Qc7 15.h3) 11.Qe2 (11.c5 Bc7+= 12.Qa4 Ra8 13.Qc2 Qe7 14.Ne2 bc5 15.bc5) 11...c5 (11...dc4 12.Bc4 c5 13.Nb5 Bf3 14.Qf3 cd4 A) worse 15.Bd4 Bh2 (worse 15...Rc4 16.Nd6 Rc2 17.Rac1 Rc1 18.Rc1+=) 16.Kh2 Rc4-/+; B) 15.Bb3=; C) 15.Nd6=; 11...Ba6 12.e4 dc4 13.Bc4 Bc4 14.Qc4 c5 15.dc5) 12.cd5 (12.dc5 bc5 13.Rfd1 cb4 14.Nb5 dc4 15.Bh7) 12...Nd5 13.Nd5 (13.dc5 Nc3 14.Bc3 bc5 15.Bh7) 13...Bd5 14.Ba6 (14.dc5 bc5 15.e4) 14...Rc7 15.e4 Bb7 16.dc5 bc5 17.Rfd1 Be7 (17...Ba6 18.Qa6 Be7 19.Ne5+=) 18.Be5 (better 18.Bb7 Rb7 19.Ne5+=) 18...Qc8? (better 18...Ba6!? 19.Qa6 Ne5 20.Rd8 Nf3 21.gf3 Rd8+–) 19.Bc7+– Ba6 20.b5 Bb7 (20...Qc7!? 21.ba6 c4+–) 21.Bd6+– Bd6 22.Rd6 Nf6 23.e5 Nd5 (23...Ne4 24.Rd3+–) 24.Rc1 Qc7 (24...Ne7 25.Nd4!+–) 25.Qa2 1–0. Murey,Yacov – Icklicki,W, it, Haringey, 1988. (=1.c4 c6 2.Nf3 d5 3.e3 Nf6 4.Nc3 e6 5.a3 Nbd7 6.b4 Bd6 7.Bb2 b6)

8.cd5 cd5 9.Nb5 Bb8 (9...Be7 10.Rc1 0-0 11.Be2+=) 10.Rc1+– Bb7 11.Be2 (11.Qc2 0-0 12.Nc7 Bc7 13.Qc7 Qb8+–) 11...a6 (11...0-0 12.0-0+=) 12.Nbd4 Ba7 (12...a5!?+=) 13.Nc6 Bc6 14.Rc6 0-0 (14...Bb8 15.0-0+–) 15.Ba6 Nb8 (15...Bb8 16.Be2+–) 16.Rc8 Qd7 (16...Qe7 17.Rf8 Kf8 18.Bb5+–) 17.Rf8 (17.Ne5 Qe7 18.Rf8 Kf8+–) 17...Kf8 18.Bd3 h6 (18...Qb7 19.Bf6 gf6 20.Bb5+–) 19.0-0 Qe7 (19...Nc6 20.Qa1 Ne8 21.Bb5+–) 20.Qc2 (20.Qa4 Nbd7+–) 20...Nbd7 21.Rc1 e5 22.Bb5 e4 (22...Rd8 23.Bd7 Nd7 24.Qh7+–) 23.Ne1 (better 23.Nh4 Kg8 24.Qc7 Qd8+–) 23...Rd8 24.f4 ef3 (24...Bb8 25.Qc3+–) 25.Nf3 Bb8 26.Qf5 (26.Bd4 Kg8+–) 26...g6 (26...Qe4 27.Bd3 Qe8 28.g3+–) 27.Qh3 h5 28.Qh4 Ne5 29.Qg5 (29.Rc6 A) 29...Nc6?? 30.Bf6 (30.Bc6?! Rd6 31.Bb5 Bc7+=; 30.Qf6?! Qf6 31.Bf6 Rc8=) 30...Qd6 31.Bc6+–; B) 29...Nfg4 30.Qe7 Ke7 31.Ne5 Be5 32.Be5 Ne5 33.Rb6 Rc8+–) 29...Nfg4 30.Qe7 Ke7 31.Bd4 Nf3 (better 31...Bd6+–) 32.gf3 Nh2 33.Kg2 Rd6 (33...Bd6+–) 34.Rc8 (34.Kh2? Rc6 35.Kg2 Rc1–+) 34...Rd8 35.Rd8 Kd8 36.Bb6 (36.Bf6 Kc7 37.Be5 Kb7 38.Bh2 Bh2 39.Kh2 g5+–) 36...Ke7 37.a4 g5 (37...h4 38.f4 Ng4 39.a5+–) 38.a5 g4 (38...h4 39.f4 gf4 40.ef4+–) 39.fg4 Ng4 40.a6 1–0. Koerner,Helmut (1980) – Reinacher,Detlev, Berlin Lichtenberger op 7th, 2008.

8.Be2 0-0 9.0-0 Ne5 (9...dc4 10.Bc4 a5 11.b5=) 10.cd5 (10.Ne5 Be5 11.d4 Bc7=) 10...ed5 (10...Nf3 11.Bf3 ed5 12.b5=) 11.d4 (11.Ne5 Be5 12.f4 Bd6=) 11...Nf3 12.Bf3 Re8 (12...Qc7 13.h3=) 13.Rc1 (13.b5 cb5 14.Nb5 Bb8=) 13...Bf5 (13...b5 14.Ne2 Bd7 15.Qc2=) 14.Ne2 (better is 14.b5 cb5 15.Nb5=) 14...Re4?? (better is 14...Qd7=+) 15.Be4+– Bh2 16.Kh1 Be4 17.Kh2 Ng4= 18.Kg3 Qg5 19.f4 Qg6 20.Qd2 Ne3 (21.Kf2 Qg2 22.Ke3 Re8–+; 20...Nh2! 21.Kf2 Qg2 22.Ke1 Qf1) 0–1. wlittle (2175) – masterofdreams (1800), net–chess.com, 2005.

8.Be2 dc4 9.Bc4 0-0 10.0-0 =.

8.Qc2 e5 9.d3 0-0 10.Nbd2 Re8 11.Be2 Nf8 12.0-0 Ng6 13.a4 d4 (13...Bg4 14.h3 Be6 15.Ng5=) 14.ed4+= Nf4 15.Rfe1 ed4 16.Bf1 Re1 17.Re1 Bf5 (17...Ne6 18.Nb3+=) 18.Nd4+– Bg6 19.Qc4 White plans b5 19...Qd7 20.g3 Nh3 21.Bh3 Qh3 22.b5 cb5 23.ab5 Ng4 (23...Ba5 24.N4f3 Re8 25.Ra1 Bd2 26.Bf6+–) 24.N4f3 h6? (better 24...Ba5 25.Qd4 Nf6+–) 25.Re7+– Ba5 26.Ne4 Rd8 (26...Kh8 27.Rf7 Bf7 28.Qf7+–) 27.Nd6 (27.Rb7 a6 28.ba6 Qh5+–) 27...Qh5 28.h3 Nf6 29.Kg2 (29.Nb7?! Qf3 30.Nd8 Bd8 31.Ra7 Kh7+–) 29...Rd6 30.cd6 (30.cd6 Bf5 31.g4 Ng4 32.hg4 Bg4 33.Qe4+–) 1–0. pcmvr – mgilbert, net–chess.com, 2018.

8.Nc3 e5 9.Be2 0-0 10.0-0 Re8 11.d3 b6 12.d4 a5 (12...e4!? 13.Nd2 Bb8=) 13.cb6+= Bb6 14.de5 Ne5 15.Ne5 Re5 16.Na4 Re8 (16...Re6 17.Nb6 Qb6 18.Bd4+=) 17.Nb6 Qb6 18.Bd4 Qd8 19.b5 cb5 20.Bb5 Bd7 (20...Re6 21.Qf3+/–) 21.Bd7 (better is 21.Bf6!? gf6 22.Qd5 Bb5 23.Qb5+–) 21...Nd7+/– 22.Qd2 Ne5 23.Be5 Re5 24.Qd4 Qg5?? (better is 24...Re4 25.Qd3 Qg5+=) 25.f4+– Re4 (25...Qg4 26.fe5 Qe4 27.Rac1+–) 26.fg5 Rd4 27.ed4 h6 28.gh6 gh6 29.Rf5 Kg7 30.Rd5 1–0. Fournier,Frederic – andresjaque3, Active, 2006.

8.d4 a5 9.b5 =.

8.d4 a6 9.Bd3+= 0-0 10.0-0 Qe7 11.Nbd2 (11.Ne5 a5+=) 11...e5 12.de5 Ne5 13.Ne5 (13.Be5 Be5 14.Ne5 Qe5+=) 13...Be5 14.Be5 Qe5 15.Qc2 (15.Nf3 Qh5+=) 15...h6 (15...Re8 16.Nf3 Qh5 17.Nd4+=) 16.Nf3 Qc7 (16...Qh5 17.Nd4+=) 17.h3 Re8 18.Rfe1 (18.Rad1 Be6+=) 18...Ne4 19.Nd2 (19.Red1 Qe7+=) 19...f5 (19...Bf5 20.Nb3 Qe5 21.Nd4+=) 20.Nf3 Qe7 21.Rad1 (21.Nd4 Qg5+=) 21...Qf6 (21...a5 22.Nd4+=) 22.Nd4 Qh4 (22...Qg5 23.Kh2+=) 23.f3+– Ng3 (23...Rf8 24.fe4 fe4 25.Bf1+–) 24.Nf5 (24.Qf2 Qg5+–) 24...Bf5 25.Bf5 Nf5 (25...a5 26.Bh7 Kh8 27.Kh2+–) 26.Qf5 Rf8 (26...Rad8 27.Qd3+–) 27.Qe6 (27.Qd7 Rf7 28.Qe6 a5+–) 27...Kh8 28.Qg4 Qf6 (28...Qg4 29.hg4 Rfd8 30.e4 de4 31.Rd8 Rd8 32.Re4+–) 29.Rd4 (29.e4 Rae8+–) 29...Rae8 30.Kf2 (30.Rd3 Re5 31.e4 Rg5+–) 30...Qe5 (30...Kg8 31.Qh4 Qf5 32.Re2+–) 31.Qg3 Qf5 (31...Qf6 32.Qh4+–) 32.e4 (32.Rf4 Qd3 33.Rf8 Rf8+–) 32...Qf6 (better 32...de4!? 33.Qg4 e3 34.Kg1 Qc2+=) 33.e5+– Qf5 (33...Qe7 34.Qg6+–) 34.Rd2 (34.Kg1 Qe6+–) 34...Re6 35.Qg4 (35.Rde2!?+–) 35...Re5+= 36.Qf5 Ref5 (36...Rff5 37.Re3+=) 37.Rde2 Kg8 (37...a5 38.Re8+=) 38.Re7 R5f7 39.Rf7 (39.R7e6 Rd7+=) 39...Kf7= 40.f4 (40.Rd1 g5=) 40...Kf6 (40...Re8 41.Rd1=) 41.Kf3 (41.g4 Rf7=) 41...g5 42.g3 d4 (42...a5 43.Rd1=) 43.fg5 (43.Rd1!? gf4 44.Rd4 fg3 45.Kg3+=) 43...Kg5= 44.Ke2 (better 44.Kg2!? Rd8 45.Rd1=) 44...Re8-/+ 45.Kd2 (45.Kd1 Re1 46.Ke1 Kf5-/+) 45...Re1=+ 46.Ke1 Kf5 47.Ke2 Ke4 48.h4 h5 49.a4 d3 50.Kd2 Kd4 (better 50...Kf3 51.Kd3 Kg3–+) 51.a5?? (better 51.g4 hg4 52.h5–+) 51...Kc4 52.Kc1 (52.b5 ab5 53.Ke3–+) 52...Kc3 53.Kd1 d2 (53...d2 54.Ke2 Kc2–+) 0–1. Fournier,Frederic – Martinez,Philippe, Open Paris FRA, 1999.

8.Be2 b6 9.d4 bc5 10.dc5 0-0 11.0-0 a5 12.Nbd2 Ba6 13.Nd4 Be2 14.Qe2 (14.Ne2 ab4 15.ab4 Ra1 16.Ba1 Qb8 17.Bf6 Nf6+= (worse is 17...gf6 18.Qa4+=)) 14...Nb8 15.f4 Qd7 16.N4f3 Qe7 17.Ne5 Nfd7 18.Ndf3 f6 19.Nd7 Nd7 20.Nd4 Nb8 21.Qg4 Re8 22.Rf3 Qd7 23.Rg3 Re7 24.Nf3 e5 25.Qh4 Qf5 (better is 25...ab4!? 26.ab4 Ra1 27.Ba1 ef4 28.Bf6 fg3 29.Be7 gh2 30.Nh2 h6-/+) 26.fe5 Be5?? (better is 26...Rf7 27.Nd4 Qe5=) 27.Ne5+– Re5 28.Rf1 (28.Be5?! Qe5 29.Rf1 ab4+–) 28...Re4 29.Qh6 Qd7 (29...Qg6 30.Rg6 hg6 31.Qg6 ab4 32.Rf6 Re7+–) 30.Qf6 Qe7 (30...Rf4 31.Rg7 Kh8 32.Qf8 Rf8 33.Rf8) 31.Rg7 (31.Rg7 Kh8 32.Re7 Kg8 33.Qg7) 1–0. Fournier,Frederic (1860) – Lamerant,Christian (1760), FRA Ch (Team) N4 Amiens–Senlis, 2004.

9.Qa4 Ne4 10.Nc3 f5 11.b5 Ndf6 12.b6 Bb8 13.Nd2 (13.Be2!?=) 13...Nd2 14.Kd2 Ne4 (14...e5 15.Be2=+) 15.Ke1 f4 (15...Qe7 16.Rc1=+) 16.Ne4= de4 17.ef4 Bf4 18.g3 Bh6 19.Bg2 e3 (19...Bd2 20.Ke2 Qd5 21.Raf1+= (< 21.ba7 Qh5 22.Kd2 Rf2 23.Kc1 Rg2-/+)) 20.f3 (20.Rf1 ef2 21.Rf2 Rf2 22.Kf2 Qf6 23.Bf3 Bd7 24.ba7 Be8+/–) 20...e5 21.Rd1 e4 (better is 21...ed4 22.Bd4 Qe7=) 22.Rf1?? (better is 22.fe4 Rf2 23.Qb3 Kh8 24.Bf1=) 22...ef3–+ 23.Bf3 Bh3 24.Ke2 Bf1 25.Rf1 ab6 26.Qb3 Kh8 27.cb6 (27.Qb6 Qb6 28.cb6 Rae8-/+) 27...Ra6 28.Qe6 (28.Qd3 Qb6 29.Bc1 Ra4–+) 28...Qb6 29.Rb1 (29.Bc1–+) 29...Qb5 30.Ke1 Qa5 (31.Bc3 Qc3 32.Kf1 Qc2–+) 0–1. Pirochta,T – Knecht,Mark E, Detroit–ch MI op, 1990.

9.Nbd2 b6 10.Qc2 =.

9.Nbd2 Ne4 10.Ne4 de4 11.Nd2 f5 12.Bc4 Nf6 13.g3 (13.0-0 Bh2 14.Kh2 Ng4 15.Kg3 Qc7 16.f4 Ne3=) 13...Nd5 14.Qb3 White intends b5 14...Kh8 15.h4 a5 16.b5 a4 17.Qc2 cb5 18.Bb5 Bd7 19.Bd7 Qd7 20.Nc4 b6 21.cb6 Nb6 22.Nb6 Bb6 23.Bc3 (23.0-0 Rac8 24.Qe2 Bc7+=) 23...Rfc8-/+ 24.Rc1?? (better is 24.Qb2-/+) 24...Rc3!–+ 25.Qc3 Ba5 26.Qa5 Ra5 27.0-0 Ra8 28.Rc4 h6 29.Rfc1 Qd6 30.R1c3 Qb6 31.Rb4 Qd6 32.Rbc4 Ra7 33.Rc6 Qd5 34.R6c4 Kh7 35.Kg2 Qb5 36.Rc1 Qb2 37.R4c3 Rb7 38.R1c2 Qa1 39.Rc1 Rb1 40.Rb1 Qc3 41.Rb6 Qa3 42.Re6 Qd3 43.Re7 Qa6 44.d5 (44.Rc7 a3–+) 44...a3 45.Re6 Qe6! (45...Qe6 46.de6 Kg6–+) 0–1. Grossmann,Philipp (1905) – Sargin,Anatol (2035), Regionalliga NO, 2004.

9.Nbd2 Qe7 10.Qc2 e5 11.de5 Ne5 12.Ne5 Be5 13.Bd3 Bg4 14.Be5 Qe5 15.0-0 Rfe8 16.Rae1 Re7 17.f4 Qh5 18.h3 Rae8 (18...Be6=) 19.Nf3 (better is 19.f5+=) 19...Bf3-/+ 20.Rf3 Ne4 21.Ref1 Qh4 22.Be4 Re4 (22...de4?! 23.R3f2=) 23.Qc3 Qe7 (Black gets strong initiative) 24.Kf2 Rc4 25.Qb3 Qf6 26.f5 (26.Qa4 d4 27.ed4 Qd4 28.Kg3 Rc5=+) 26...Rc3 27.Qb2 (27.Qa4 d4 28.e4 Re4 29.Rc3 dc3 30.Qa7 Qd4 31.Kg3 Qe5 32.Kf2 h6–+ (32...Qf5?! 33.Kg1 Qd7 34.Qb8 Re8 35.Qg3-/+)) 27...Rc5 (better is 27...d4!?–+) 28.Qf6=+ Rc2 (28...gf6?? 29.bc5 b6 30.Rc1+–) 29.Kg1 gf6 30.Rg3 (30.Rd1 Re2-/+) 30...Kh8 31.Rf4 Rg8 (better is 31...Rc1!? 32.Kh2 Ra1–+) 32.Rg8=+ Kg8 33.e4 Rc4 34.Rg4 Kf8 35.ed5 (35.Kf2!?-/+) 35...Rg4–+ 36.hg4 (36.dc6 Re4 37.cb7 Re8–+) 36...cd5 37.Kf2 Ke7 38.Ke3 Kd6 39.Kf4 h6 (39...a6 40.Ke3–+) 40.a4 b6 41.a5? ba5 (42.ba5 Kc5–+) 0–1. Christensen,Tobias – Olesen,Martin, Copenhagen DEN, 1989.

9.Nbd2 Re8 10.Bd3 e5 11.de5 Ne5 12.Be5 Re5 13.Ne5 Be5 14.Rb1 +/–.

9.Nbd2 Re8 10.Bd3 e5 11.de5 Ne5 12.Be5 Be5 13.Ne5 Re5 =.

9.Nbd2 Re8 10.Ne5 Ne5 11.de5 Nd7 12.Bd3 (12.Nf3 f6=) 12...Ne5 (12...b6 13.Bd4=) 13.Bh7 Kf8 (13...Kh7 14.Qh5) 14.Qh5 (better is 14.Bc2+=) 14...Nd3?? (better is 14...Qf6 15.Ke2 g6 16.Qh6 Qg7 17.Qg7 Kg7+=) 15.Bd3+– e5 16.f4 e4 (16...d4 17.Nf3 de3 18.0-0-0+–) 17.Qh8 Ke7 18.Qg7 Kd7 19.Ne4! de4 (19...Re4 20.Be4) 20.0-0-0 (20...Rf8 21.Be4 Ke8 22.Rd8 Bd8 23.Qe5 Be7 24.Qc7+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

9.Nbd2 Re8 10.Ne5 Ne5 11.de5 Nd7 12.Nf3 b6 (12...f6 13.ef6 Nf6 14.Be5=) 13.cb6 ab6 14.Bd3 (14.Qc2 c5=) 14...c5 (14...Ba6 15.Bb1=+) 15.bc5 (15.Qc2 h6=) 15...bc5 (15...Nc5 16.Bc2=+) 16.0-0 (16.Qc2 Ba5 17.Bc3 Bc3 18.Qc3 Bb7=) 16...c4 (16...Ba6 17.Ba6 Ra6 18.Qc2=+) 17.Bc2 f6 (17...Qe7 18.a4=) 18.ef6 (White gets deadly initiative) 18...Nf6 19.Ne5 Ba6 (19...Rf8 20.f4=) 20.Bc3 Rb8 (20...Rf8 21.Qd4=) 21.f4+= Rb7 22.Ng4 Ng4 (22...Bb6!? 23.Kh1 Ba5+=) 23.Qg4+/– Qe7 (better is 23...e5 24.fe5 Be5 25.Bh7 Kh7 26.Qh5 Kg8 27.Be5 Re6+/–) 24.Qh5+– h6 (24...g6 25.Bg6! Rc8+–) 25.Qg6 Qd7 (25...Qf7 26.Qh7 Kf8+–) 26.Bg7! (26...Qg7 27.Qe8 Qf8 28.Qe6 Kh8 29.Qa6+–) 1–0. Kurth – Joerges,Eberhard, corr DDR, 1985.

9.Bd3 Qe7 10.0-0 e5 11.de5 Ne5 12.Be5 Be5 13.Ne5 Qe5 14.Nd2 Bg4 15.Qc2 (15.Nf3 Qh5=) 15...Qg5 16.Kh1 (16.Rfe1 Bh3 17.g3 Rfe8=) 16...Rae8 (16...Rfe8 17.h3 Qh4 18.Kg1=) 17.Rab1 Qh5 (17...Qh4 18.b5=) 18.Rfc1 (18.b5 cb5 19.Rb5 Re7=) 18...Nd7 (18...Qh4 19.Kg1=) 19.Nf1 (19.b5 Ne5 20.Kg1 Be2 21.Be2 Qe2=) 19...Ne5 20.Ng3 Qh6 21.b5 Nd3 22.Qd3 f5 (22...Qf6 23.Kg1=) 23.Rf1 (23.Re1 f4 24.ef4 Qf4=) 23...f4=+ 24.ef4 Rf4 (24...Qf4 25.Kg1=) 25.Kg1 Bc8 (25...Qf6 26.h3 Rd4 27.Qc2=) 26.Rb4 (26.Rfe1 Be6=) 26...Rb4 27.ab4 Qf4 ½–½. Melia,Ken (1835) – Milde,Lars (1815), TT–05.48 TSC, 2003.

9.Bd3 Qe7 10.0-0 e5 11.de5 Ne5 12.Ne5 Be5 13.Be5 Qe5 14.Nd2 Bg4 15.Qc2 Rad8 (15...Qg5 16.f4 Qh6 17.h3=) 16.Nb3 (16.Rae1 Qg5 17.f3 Bd7+=) 16...Bh5 17.Nd4 (17.Rfe1 Bg6=) 17...Bg6 18.Rab1 (18.h3 Rfe8=) 18...Be4 (18...Ng4 19.Nf3 Qe7 20.Bg6 fg6 21.b5 Rf3 22.gf3=) 19.Be4 (19.f3 Bd3 20.Qd3 Nd7+=) 19...de4= 20.Qe2 (20.h3 Rd5=) 20...Rd5 21.Rfd1 Rfd8 22.Rb3 (22.h3 h6=) 22...h5 (22...Ne8 23.b5=) 23.h3= a6 (23...h4 24.Rb2=) 24.a4 (24.Rb2 Ne8=) 24...h4 25.Rd2 (25.Rbb1 Qe7=) 25…Qg5 ½–½. Pilz,Erhard (1725) – Milde,Lars (1815), TT–05.50 TSC, 2002.

9.Bd3 Qe7 10.0-0 e5 11.de5 Ne5 12.Ne5 Be5 13.Be5 Qe5 14.Nd2 Bg4 15.Qc2 Qg5 16.f4 Qh4 (16...Qh6 17.Rae1=) 17.e4 (17.Nf3 Bf3 18.Rf3 g6+=) 17...de4= 18.Ne4 Ne4 19.Be4 Rae8 (19...Rad8 20.b5+=) 20.h3 (20.Rae1 f5 21.g3 Qf6=) 20...Bc8 21.Rad1 Re7 22.Bf5 (22.Rd4 Rfe8=) 22...Bf5 23.Qf5 Rfe8 24.Rf3 Re2 ½–½. Taulien,Hans_Juergen (2225) – Glaubitz,Friedhelm (2395), remoteschach.de, 2005.

9.Bd3 Re8 10.Ne5 Ne5 11.de5 Nd7 12.f4 b6 (12...Qh4 13.g3 Qh3 14.Nd2=) 13.Qc2 (13.cb6 Bb6 14.Kf2 a5=) 13...bc5 14.Bh7 Kh8 15.Bd3 (15.0-0 g6 16.Bg6 fg6 17.Qg6 Nf8 18.Qh6 Nh7 19.bc5 Ba6=+) 15...c4-/+ 16.Be2 Bb6 17.Bd4 c5 (17...a5 18.Qc3-/+) 18.bc5 Nc5 (worse 18...Bc5 19.0-0=) 19.Nd2 Bd7 (19...Qh4 20.g3 Qh3 21.Bf1-/+) 20.0-0 (20.a4 Rb8 21.a5 Nd3 22.Bd3 cd3 23.Qd3 Ba5=) 20…Ba4-/+ ½–½. Trindade,JSD (1775) – Kaneda,Eric Kazuichi (1795), Foz do Iguacu BRA, 3rd Open, 2013.

9.Be2 b5 10.a4 ba4 11.0-0 =.

9.Be2 Qe7 10.0-0 e5 11.de5 Ne5 12.Ne5 Be5 13.Be5 Qe5 14.Nd2 Re8 (14...Bf5 15.Nf3 Qc3 16.Nd4+=) 15.Nf3 Qh5 16.Nd4 (16.b5 Bg4=) 16...Qg5 (16...Bg4 17.Re1=) 17.b5 Bd7 (17...Bh3 18.Bf3 cb5 19.Nb5+=) 18.Rb1 Ne4 19.Qc2 Rac8 (19...cb5 20.Bb5 (< 20.Nb5 Rec8=+) 20...Bb5 21.Rb5+=) 20.bc6+= Bc6 21.Bd3 Re7 22.Be4 (22.Rfd1 Qf6+=) 22...de4= 23.Nc6 bc6 (23...Rc6!? 24.Rfd1 Rc8=) 24.Rfd1+= Re5 (24...Rce8 25.Rd6+=) 25.Rb7 (25.Rd7 Qf5 26.Rbd1 Rb8+=) 25...Qf5 (25...Rce8 26.Qb3 R5e7 27.Re7 Qe7 28.Qb4=) 26.Rc1 (26.Rbd7 Rb8+=) 26…Rd8 ½–½. Schulz,Hans_Juergen – Milde,Lars, TT–05 TSC, 2003.

9.Nbd2 Nd2 10.Qd2 a5 11.b5 +=.

9.Nbd2 f5 10.Ne5 (10.Be2 Qf6+=) 10...0-0 (10...Ne5 11.de5 0-0 12.Bd4=) 11.g3 (11.Be2 Be5 12.de5 b6=) 11...Ndf6 (11...Ne5 12.de5 b6 13.f3 Nd2 14.Qd2 bc5 15.bc5=) 12.Bg2 (12.f3 Nd2 13.Qd2 Nd7=) 12...Bd7 (12...Nd7 13.Ndf3=) 13.f3 Nd2 14.Qd2 (< 14.Nd7 Nf3 (14...Qd7?! 15.Qd2 Rae8 16.Rd1=) 15.Qf3 Qd7-/+) 14...Be8 15.0-0 g5 (15...Nd7 16.f4+=) 16.e4 (16.Rae1 Nd7+/–) 16...Nd7 (better is 16...Nh5+/–) 17.Bh3 (better is 17.ef5!? ef5 18.f4+/–) 17...Ne5= 18.de5 Bg6 19.ef5 Bf5= 20.Bf5 Rf5 21.Rae1 Qd7 22.f4 gf4 23.Rf4 Rf4 24.Qf4 Rf8 25.Qg5 Qg7= 26.Bc1 Bd8 27.Qg7 Kg7 28.Bf4 Kg6 29.Kg2 Bg5 30.Kf3 Kf5 31.a4 Bf4=+ (Black fights for the initiative) 32.gf4 Rg8 33.h3? h5–+ 34.b5 h4 35.bc6 bc6 36.Rb1 Rg3 37.Kf2 Kf4 38.Rb4 Ke5 39.Rh4 Ra3 40.Rg4 Rh3 41.Rg7 Kd4 42.Ra7 e5 43.Ra5 e4 44.Ke2 Rh2 45.Ke1 Kd3 (46.Kf1 e3–+) 0–1. Sunyer,Julio – Prins,Lodewijk, Sitges, 1934.

9.Bd3 0-0 =.

9.Bd3 f5 10.0-0 0-0=.

9.Bd3 f5 10.0-0 Qf6 11.Nc3 (11.Qe2 0-0=) 11...0-0 12.Qc2 g5 13.Ne2 (13.Ne1 Qh6 14.g3 g4=) 13...g4 14.Ne1 Qh4 (14...Qh6 15.Nf4+=) 15.Nf4 Rf6 16.g3 Qh6 17.Be2 (17.f3 gf3 18.Nf3 Rf7+=) 17...e5 (17...Rf7 18.Neg2=) 18.de5 Ne5 19.Ned3 (19.f3 Ng5+=) 19...Nd3 20.Qd3 Rf8 21.f3 (21.Bd4 Re8+=) 21...gf3 22.Bf3 Re8 23.Nh5 Qg5 24.Rae1 h6 25.Qc2 Bd8 26.Be4 Re4= 27.Qc3 Kf7 28.Qh8 Qg8 29.Qh6+/– Bg5 30.Qd6 Qd8 31.Qd8 Bd8 32.Bd4 b5 33.Kf2 a5 34.Ra1 Kg6 35.Nf4 (White gets the initiative) 35...Kg5 36.Kf3 Ra7 37.a4 Ba6 38.Rg1 ba4 39.ba5 (The passed pawn on a5 quickly leads to threats) 39...Bb5 40.h4 Kh6+– 41.g4 fg4 42.Rg4 Kh7 43.Rag1 Rd4 44.ed4 Rf7 45.Ke3 Re7 46.Kd2 (White gets decisive kings attack) 46...Ba5 47.Kc2 Bc7 48.Nh5 Re2 49.Kc1 Re6 50.Rg7 Kh6 51.Rc7 Kh5 52.Rc8 Bd3 1–0. Riepe,Bernhard (2015) – Juerges,Kai, desc–online.de, 2003.

9.Bd3 f5 10.0-0 Qf6 11.Nc3 0-0 12.Ne2 b6 13.Rb1 Qh6 14.Qc2 Bb7 15.h3 Rfb8 16.Rfd1 bc5 17.bc5 g5 18.Ne5 (better is 18.a4!?+=) 18...Be5+= 19.de5 Nec5 (worse is 19...Ndc5 20.Be4 Ne4 21.f3+/–) 20.Nc1 Bc8 21.Bd4 Rb1 22.Qb1 Nb7 23.Bc3 Nd8 (23...Rb8!?+=) 24.Qb4= Qf8 25.Qa5 Nb7 26.Qa4 Ndc5 27.Qb4 (27.Qc6?? Bd7 28.Qc7 Rc8 29.Qc8 Qc8–+) 27...Nd3 28.Nd3 c5 29.Qb5 c4 30.Nb4 a5 31.Na6 ½–½. Woelfelschneider,Peter (2045) – Boettcher,Fred (2075), CFriend SI–2004–0-00022 email, 2004.

9.Bd3 f5 10.Ne5 Qf6 11.Nd7 (11.Qh5 g6 12.Nd7 Bd7=+) 11...Bd7 12.Qh5 g6 (12...Qg6 13.Qg6 hg6 14.Nc3=) 13.Qe2 (13.Qh6 a5=) 13...0-0 (13...Qh4 14.Nd2=) 14.0-0= g5 (14...e5 15.Nd2=) 15.Nd2 Be8 (15...Qh6 16.g3=) 16.f3 Qh6 17.g3 Nd2 (17...Nf6 18.Nb1=) 18.Qd2+= Qh5 Black prepares the advance g4 (18...Bg6 19.f4+=) 19.f4 (19.a4 Bd7+=) 19...g4 (19...Kg7 20.Bc3+=) 20.a4 White intends b5 20...Rf6 (20...Bd8 21.b5+=) 21.b5 Rh6 (21...Rf8 22.Bc3+=) 22.Bc3 Rb8 (22...Qf7 23.Ba5+=) 23.Rfb1+– Bd8 (23...Ra8 24.b6 Bd8 25.ba7 Ra7 26.a5+–) 24.bc6 Bc6 25.a5 Rf6 (better 25...Bc7!?+=) 26.a6+– Rf7 (26...b5+–) 27.Bb5 Bb5 28.Rb5 Re7 (28...b6 29.Ba5!+–) 29.Qb2 Qf7 (29...b6 30.Ba5!+–) 30.Rb1 1–0. Taulien,Hans_Juergen (2350) – Schulz,Hans_Juergen (2305), RS6D – A00 – Sokolsky Alt–1, 2004.

9.Be2 0-0 =.

9.b5 e5 10.de5 (10.bc6 bc6 11.Qa4 Bb7=) 10...Ne4=+ 11.Be2 Ndc5 12.Nc3 0-0 13.Rc1 Rb8 14.Qc2 Bf5 15.Nd4 Bg6 (15...Qe5 16.Ne4 Ne4 17.Nc6=) 16.Ne4 Ba5 17.Kf1 Ne4 18.Bd3 Nd2 (18...Qe5?! 19.Nc6 Nd2 20.Qd2 bc6 21.Qe2+= (21.Be5 Bd2 22.Ke2 Bc1 23.Bb8 Ba3 24.Ba7 Bd3 25.Kd3 cb5=)) 19.Kg1 Bd3 20.Qd3 Nc4 (< 20...Qe5 21.Rc2 Nc4 22.Nc6 Nb2 23.Ne5 Nd3 24.Nd3=) 21.Nf5 Qe6 22.Bd4 cb5 23.Bc5 (23.h4!?-/+) 23...Rfe8–+ 24.Nd6 b6 25.Bd4 Nd6 26.ed6 Qd6 27.Qb5 Qa3 28.Rd1 Qa2 29.Qd7 Qc2 30.Qg4 Qg6 31.Qf3 Qc2 32.Qg4 Qg6 33.Qf3 a6 34.h4 b5 35.h5 Qc6 36.Qg3 f6–+ 37.Qf3 Bc7 38.h6 g6 39.Bb2 Re4 40.Qf6 Qf6 41.Bf6 Rc4 42.g4 Rg4 43.Kf1 Kf7 44.Bd4 a5 45.f3 Rg5 46.Ke2 a4 47.Rc1 Bd8 48.Ra1 Rg2 49.Kd3 Ba5 50.Rhd1 Rc8 51.Rab1 b4 52.Rg1 Rg1 53.Rg1 a3 54.Ra1 Ke6 55.f4 Bd8 56.Rb1 Be7 57.e4 de4 58.Ke4 a2 59.Ra1 b3 (60.Re1 Bf6 61.Kf3 Kf5–+) 0–1. Pierred (2205) – Lilman (2560), Rated game, 1m + 2s, 2005.

9.Nbd2 =.

9.Be2 e5 10.0-0 e4 11.Ne1 Nf8 12.Nc3 White plans b5 12...Ng6 13.Nc2 Bf5 14.a4 White prepares b5 14...Nh4 15.Qd2 0-0 16.b5 Qe6 17.Ne1 Bg4 18.f4 ef3 19.Nf3 Nf5 20.Bc1 Rae8 21.Qd3 (21.h3 Ba5 22.hg4 Ng3-/+) 21...Ne4 22.bc6 bc6 23.Rb1 Qg6 24.Rb2 Qh6 (24...Qh5 25.Bd1 Re7+=) 25.Rb7+= Bf3 26.Rc7 Bg2! 27.Rf4 (27.Kg2 Nh4 Combination) 27...Nc3 28.Qc3 Bh3 1–0. Gappel,Heinz (2085) – Sallwey,Rainer (2080), ICCF Corr World Cup, 2000. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 Nbd7 5.e3 Bd6 6.c4 c6 7.c5 Bc7 8.d4 Qe7)

9.Ne5 Ne4 10.Nd2= Nd2 11.Qd2 f6 12.Nd7 Bd7 13.f4 e5 14.Be2 0-0 15.0-0 Rae8 16.fe5 fe5 17.Rf8 Kf8 (17...Rf8 18.de5 Be5 19.Be5 Qe5 20.Qd4=) 18.Bd3 (better is 18.Bh5!? g6 19.Bf3=) 18...e4-/+ 19.Bf1 Kg8 20.Qe1 (20.a4 Rf8+=) 20...Rf8 21.Bc1 Qg5 22.Ra2 Qf6 23.Rf2?? (better is 23.g3+=) 23...Bh2!–+ 24.Kh2 Qf2 (24...Qf2 25.Qf2 Rf2–+) 0–1. Romanov,Evgeny – Kharchenko,Alexey, Kemerovo RUS, City Ch, 2014.

9.Ne5 Ne5 10.de5 Nd7 11.f4 =.

9.Ne5 Ne5 10.de5 Nd7 11.Qh5 a5 12.Be2 ab4 13.ab4 Ra1 14.Ba1 0-0 (14...b6 15.Qg4 0-0 16.cb6 Be5 17.Be5 Ne5 18.Qd4-/+) 15.f4 (15.0-0!?=) 15...b6-/+ 16.0-0 bc5 17.Rf3? (17.bc5 Nc5 18.Rc1 Nb3 19.Rc6 Na1–+) 17...f5 (17...cb4 18.Bd3 g6 19.Qg4–+) 18.Rh3? (better is 18.bc5!? g6 19.Qh6=+) 18...g6–+ (18...cb4?? 19.Qh7 Kf7 20.Bh5) 19.Qh6 Bd8 20.g4? Qg7 21.gf5-/+ Qh6 22.Rh6 Kg7 23.Rh3 gf5 24.bc5 Nc5 25.Nd2 Be7 26.Nf3 Ne4–+ 27.Nd4 Bd7 28.Rf3 c5 29.Bb5 Bb5 30.Nb5 Rb8 31.Nd6 Rb1 32.Rf1 Rf1 33.Kf1 Bd6 34.ed6 Kf7 35.Be5 Ke8 36.Ke2 Kd7 37.Kd3 Nd6 38.h4 h5 39.Kc3 Nc4 (40.Bf6 Ne3–+) 0–1. Pihajlic,Amalija (2175) – Maric,Mirjana (2285), YUG–ch (Women), 1989.

9.Ne5 Ne5 10.de5 Ne4 11.Bd3+= Qg5 12.0-0 f5 (12...Be5? 13.f4 Bb2 14.fg5 Ba1 15.Be4 de4 16.Nd2+–) 13.Qe1 Qh6 14.f3 Ng5 15.h4 (15.Bd4!?+=) 15...Nf7+= 16.f4 Bd8 17.g3 Qg6 18.Kf2 Bd7 19.Nd2 Be7 20.Nb3 (20.Qe2 Nh6=) 20...Nh6 21.Rc1 (21.Rh1!?=) 21...Ng4-/+ 22.Ke2 h6 (22...Qh5 23.Qd1-/+) 23.Nd4+= Qf7 24.Kd2 a6 (24...a5 25.Qd1+=) 25.Qe2 g6 (25...a5 26.e4 de4 27.Be4 ab4 28.ab4=) 26.Rc2 Kf8 27.h5 Rg8= 28.e4 de4 29.Be4 fe4 30.Qg4 gh5 31.Qh3 Qg6 32.f5 ef5-/+ 33.e6 Be6 34.Ne6 Qe6 35.Rf5 Ke8 36.Be5? Rd8 37.Ke1 Qg6 38.Re2 Qg4 39.Qh5= Qh5 40.Rh5+= Bg5 41.Re4 Kf7 42.Bd6 Rde8 43.Re8 Re8 44.Kf2 Kg6 45.Rh1 Re3 46.Ra1 ½–½. Schiffler,L – Mockel,Gerd (2330), Bad Lausick, 1951.

9.0-0 e5 =.

9.0-0 Qe7 10.d3 Bb6?? (10...e5 11.Qc2=) 11.d4?? (11.cb6 ab6 12.d4 Qd6+–) 11...Bc5?? (better is 11...Bc7+=) 12.dc5 a5 (12...b6 13.cb6 ab6 14.Qc2+–) 13.Qb3 (13.Qd4!? Qd8+–) 13...ab4 14.ab4 Ra1 15.Ba1 Ng4 16.h3 Nge5 (16...Nh6 17.Nbd2+–) 17.Nbd2 (better is 17.Ne5 f6 18.Nd7 Bd7 19.e4+–) 17...f5 (17...Nf3 18.Nf3 e5+–) 18.Ne5 0–1. Fournier,Frederic (1940) – templarioII (2005), Active (5/0), 2004.

9.0-0 Re8 10.d4 Ne4 11.Nbd2 ½–½. De Kruif,K (2060) – Gravett,A (1960), 33rd Fortis Open, Guernsey GCI, 2007.

9.Qc2 e5 10.d3 Qe7 11.0-0 Re8 12.Nbd2 Nf8 13.Rfe1 (13.e4 Ng6=) 13...Ng6 14.a4 Bg4 15.h3 Bf3 (15...Be6 16.a5=) 16.Nf3 (< 16.gf3 Nd7=+) 16...Rad8 (16...Qe6 17.b5=) 17.a5 a6 (17...e4 18.Nd2=) 18.e4 (18.Rab1 Qe6=) 18...h6 19.Rad1 Qe6 (19...Nf4 20.Nd2=) 20.Bc1+= Nh7 (20...d4 21.Bd2=) 21.Bf1 (21.Nd2 Nf4 22.Bg4 Qg6+=) 21...d4 22.g3 f5 (22...Rd7 23.Bg2=) 23.ef5+= Qf5 24.Bg2 Ne7 25.Re2 Nd5 26.Bd2 Rf8 27.Rde1 Rde8 (27...Rf7!?+=) 28.Qa2 (28.Nd4 ed4 29.Re8 Qf2 30.Kh1+=) ½–½. Woelfelschneider,Peter (2150) – Milde,Lars (1930), T8e–09 TSC, 2002.

9.Qc2 Qe7 10.0-0 =.

9.d3 e5 10.0-0 Re8 11.Nbd2 b6 12.e4 (12.Nb3!?=) 12...bc5-/+ 13.ed5 cd5 14.bc5 Nc5 (Black creates threats along the open b–file) 15.Ne5?? (15.d4!? Rb8 16.Rb1 ed4 17.Bd4 Rb1 18.Nb1-/+) 15...Be5–+ (15...Re5?! 16.Be5 Be5 17.Rc1–+) 16.d4 Rb8 17.de5 Rb2 18.ef6 Qa5 (18...Qf6?! 19.Rb1–+) 19.Nc4 dc4 20.Bc4 Qc3 21.Bf7?! (21.Qd5 Be6 22.Qg5 Qf6 23.Qc5–+) 21...Kf7 22.Qd5 (22.Qh5 g6 23.Qh7 Kf6–+) 22...Kf6 23.Qc6 Kf7 24.Qc7 Kg8 25.Rac1 Rc2 26.Rcd1 Rce2 27.Rd8 Re1 28.Re8 Re8 29.Rd1 (29.Qg3 Nd3 30.a4–+) 29...Re1 30.Re1 Qe1 0–1. BeerClark – schaep1, ChessWorld.net, 2004.

9.d3 e5 10.Qc2 e4 11.de4 de4 12.Nd4 =+.

9.d3 e5 10.Qc2 Re8 11.Nbd2 Nf8 (11...e4 12.de4 Ne4 13.0-0=) 12.h3 (12.0-0 Bf5=) 12...Ng6 13.Nf1 (13.0-0 Be6=) 13...Bd7 (13...Be6 14.Ng3=+) 14.Ng3 e4 15.Nd4 Bg3 16.fg3 ed3 (16...Qc7 17.Kf2-/+) 17.Qd3 Ne4 (17...Ne5 18.Qd2 Ne4-/+) 18.Nc2? (better is 18.0-0!?=) 18...Qg5 (18...Ng3 19.Qd4 f6 20.Rh2–+) 19.0-0-0 (19.0-0!?-/+) 19...Nf2 20.Qd4 Ne5 (20...Qh6 21.Rhf1 Nd1 22.Kd1–+) 21.g4 (better is 21.Qf4!? Qf4 22.gf4 Nd1 23.Rd1-/+) 21...Nd1 22.Rd1 Rad8 23.Kb1 Bc8 24.Bc3 Qg6 25.a4 Qe4?? 26.Qe4+– de4 27.Rd8 Rd8 28.Be5 ½–½. Vasconcelos,Arquimedes – Pereira,Jorge AV (2035), Sao Paulo op, 1995.

9.d3 e5 10.Nbd2 Re8 11.0-0 Nf8 12.e4 d4 13.Nc4 Ng6 14.Bc1 a5 15.Bg5 (worse is 15.Na5 Ba5 16.ba5 Qa5-/+) 15...ab4 16.ab4 Ra1 17.Qa1 Be6 18.Qa7 Bc4 19.dc4 Qb8 20.Ra1 (better is 20.Qb8!? Bb8 21.Bf6+=) 20...Ne4-/+ 21.Bc1 Nf4 (better is 21...Nc3 22.Bf1 b6-/+) 22.g3?? (better is 22.Bf4 ef4 23.Qb8 (23.Nd4? Be5–+) 23...Bb8 24.Ra8= (24.Nd4? Be5–+)) 22...Ne2 23.Kg2 Nc1 (better is 23...Qa7 24.Ra7 Nc1 25.Rb7–+) 24.Qb8 Bb8 25.Rc1 h6 26.Ne1 f5 27.Nd3 (27.Rd1 Rd8–+) 27...Nc3 28.f3 e4 29.fe4 fe4 30.Ne1 e3 (30...Kf7!? 31.Kf2–+) 31.Nd3 e2 32.Re1 Bc7 33.Kf2 Bb6! 34.b5?? cb5 35.cb5 Bc5! 36.Nc5 0–1. Fournier,Frederic (1705) – markymark (1670), Active (2/1), 2005.

9.0-0 =.

9.Qc2 e4 10.Nd4 =.

9.Qc2 Qe7 10.0-0 =.

10.0-0 Qe7 =.

10.Nc3 a5 11.0-0 =.

10.Nc3 b6 11.d4 =.

10.Nc3 Re8 11.0-0 b6 =.

10.Nc3 Re8 11.h3 a5 12.0-0 b5 A) 13.d4 Qe7 (13...e4 14.Nd2 a4 15.Rfd1 Qe7 16.Nf1 Nf8 17.Ng3 g6 18.Rf1 Ne6) 14.Rfe1 e4 15.Nd2 a4 16.Nf1 Nf8 17.Ng3 g6 18.Rab1 Ne6; B) 13.Rfe1 e4 (13...Qe7 14.Nh4 g6 15.Nf3 e4 16.Nd4 Ne5 17.g4 Bb7 18.g5 Nfd7; 13...h6 14.d4 e4 15.Nd2 Bb7 16.Nb3 a4 17.Na5 Ba5 18.ba5 Qa5) 14.Nd4 Ne5 15.Bf1 Bb7 16.d3 ed3 17.Bd3 Nd3 18.Qd3 h6; C) 13.Rfd1 Qe7 (13...e4 14.Nd4 Ne5 15.d3 ed3 16.Bd3 Nd3 17.Qd3 Bd7 18.Nf5 Bf5) 14.d4 e4 15.Nh2 h5 16.Nf1 Qe6 17.Nd2 a4 18.Rab1 Bb7; D) 13.Kh1 e4 (13...Qe7 14.d3 h6 15.d4 e4 16.Nd2 a4 17.Kg1 Bb7 18.Rfe1 Nf8) 14.Nd4 Ne5 15.Kg1 Bd7 16.Rfe1 h6 17.d3 ed3 18.Bd3 Nd3; E) 13.Qb3 e4 14.Nd4 Ne5 15.Rfe1 Bd7 16.Qc2 h6 17.Red1 Qe7 18.d3 ed3; F) 13.Rfc1 e4 14.Nd4 Ne5 15.d3 ed3 16.Bd3 Nd3 17.Qd3 Bb7 18.Re1 Qd7; G) 13.cb6 Nb6 14.d3 Bf5 15.b5 d4 16.Ne4 cb5 17.Nf6 gf6 18.Nh4 Be6.

10.Nc3 Re8 11.h3 a5 12.0-0 e4 13.Nd4 h6 (13...Qe7 14.Na4 Qe5 15.g3 Qe7 16.b5 Ne5 17.bc6 bc6 18.Nb6 Bh3; 13...Ne5 14.b5 Qe7 15.Na4 Bd7 16.Rab1 Reb8 17.b6 Bd8 18.f4 ef3; 13...h5 14.Na4 Ne5 15.b5 Bd7 16.Rab1 Qe7 17.Bc3 cb5 18.Nb5 Rac8) 14.Na4 Ne5 15.b5 Bd7 16.Rab1 Qe7 17.Bc3 Rf8 18.bc6 bc6.

10.Nc3 Re8 11.h3 a5 12.0-0 Qe7 13.d4 e4 (13...ed4 14.Nd4 Ne5 15.e4 de4 16.Ne4 Ne4 17.Qe4 Ng6 18.Qe7 Ne7) 14.Nd2 b6 15.Na4 bc5 16.bc5 Ba6 17.Ba6 Ra6 18.Rab1 Raa8.

10.Nc3 Re8 11.h3 a5 12.0-0 h6 13.Rfc1 (13.d4 ed4 14.Nd4 Ne5 15.b5 Qe7 16.Na4 Bd7 17.Nb6 Bb6 18.bc6 Qc5; 13.Rfe1 e4 14.Nd4 Qe7 15.Na4 Qe5 16.Nf3 Qh5 17.Nd4 Qg5 18.Kf1 Qe5) 13...e4 (13...Qe7 14.Na4 e4 15.Nd4 Qe5 16.g3 Qe7 17.Nf5 Qf8 18.d4 ed3) 14.Nd4 Qe7 15.Na4 Qe5 16.g3 Qg5 17.h4 Qg6 18.b5 Bg3.

10.Nc3 Re8 11.h3 a5 12.d4 e4 (12...Nh5 13.0-0 g6 14.de5 Ne5 15.Nd4 Ng7 16.e4 Ne6 17.Ne6 Be6 18.ed5 cd5) 13.Nd2 ab4 (13...b5 14.cb6 Nb6 15.b5 Bb7 16.bc6 Bc6 17.Nce4 Ne4 18.Qc6 Nd2; 13...b6 14.cb6 Nb6 15.b5 Bd7 16.0-0 cb5 17.Nb5 Bb5 18.Bb5 Qd6) 14.ab4 Ra1 15.Ba1 Nf8 (15...b5 16.cb6 (16.0-0 Qe7 17.Bb2 Bb7 18.Ra1 Ra8) 16...Nb6 (16...Bd6 17.b5 c5 18.dc5 Nc5) 17.b5= Bd7 18.bc6 Bc6) 16.b5 Ng6 17.Qa4 (17.0-0 Nh4 18.Rb1 Bf5) 17...Qd7 (17...Nh4 18.0-0 Bh3) 18.b6 Bd8 19.g4 h6 20.Nf1 (20.Bb2 Nh4=) 20...Nh4 21.Qd1 Nh7 22.Kd2 (22.Nd2 Ng5=+) 22...Ng5=+ 23.Ng3 g6 24.Bb2 Kh7 25.Kc2 Qe7 26.Qf1 Be6 27.Bc1 Rf8 28.Bd2 Qd7 29.Qa1 (29.Kd1 f5=+) 29...f5 30.Qa7 (30.gf5!? Nf5 31.h4-/+) 30...fg4–+ 31.hg4 Ngf3 32.Nd1 Bg4 33.Bf3 (33.Bb4 Nf5 34.Nf5 Rf5-/+ (worse 34...Qf5 35.Qb7 Qf7 36.Qf7 Rf7 37.Ba6+=)) 33...Bf3 (33...ef3?! 34.Nc3-/+) 34.Rh2 h5 (34...Bd1 35.Kd1 Nf3 36.Rh1–+) 35.Be1 Bg4 36.Qb8? (better 36.Rh1–+) 36...Kg8 37.Qa7 Nf3 38.Rh1 Bh3 (38...Ne1?! 39.Re1 h4 40.Ne2–+) 39.Rh3 (39.Bb4 Bg2 40.Re1 h4–+) 39...Ne1 40.Kc1 0–1. Coquelle,Arnaud – Dumitrache,D (2505), 1st Open, La Fere FRA, 2002.

10.Nc3 Re8 11.h3 b6 12.d4 =.

10.Nc3 Re8 11.h3 d4 12.ed4 ed4 (Black gets the initiative) 13.Nd4 Ne5 14.Na2 (14.Nd1 Ng6=) 14...Ng6=+ 15.0-0 (better is 15.Nc1!? Nf4 16.Kf1=+) 15...Be5-/+ 16.Qc4 Bd4 17.Bd4 Be6 18.Qc3 (18.Bf6 Qf6 19.Qc3 Ba2 20.Qf6 gf6–+) 18...Ba2 (18...Ne4 19.Qe3 Ba2 20.Ra2–+) 19.Bf6 Qf6 20.Qf6 gf6 21.Ba6 ba6 22.Ra2 Rad8 (22...Nf4 23.d4–+) 23.g3 Ne5 24.f4 Nc4 25.Rd1 Re2 26.Kf1 Rh2 27.Kg1 Rh3 28.Kg2 Rh5 29.Re1 Nd2 30.Re7 Rd3 31.Ra7 Nf3 32.Rf2 Ne1 33.Kf1 Rh1 34.Ke2 Ra3 35.Rd7 Nf3! 36.Rd1 Ng1 37.Ke1 Rg3 38.Kd2 Nf3 39.Ke2 Rd1 40.Kd1 h5 (41.Rf1 h4–+) 0–1. Black,Eric – Dorfman,Josif (2605), fide.org (year?).

10.d3 Re8 =.

8.Nc3 a5 9.c5 Bb8 (9...ab4 10.ab4 Ra1 11.Qa1=) 10.Be2 e5 11.0-0 b5 (11...ab4 12.ab4 Ra1 13.Ba1=) 12.cb6 Qb6 13.Na4 (13.Qa4 Bd6 14.Rab1 Qb8=) 13...Qc7+= 14.Nc5? (better is 14.Nd2!?+=) 14...e4–+ Black begins to deal mighty blows 15.de4 (15.Nd7 ef3 (15...Nd7?! 16.de4 de4 17.Qd4-/+; 15...Qd7?! 16.de4 Ne4 17.Qc2=) 16.Nf6 gf6–+) 15...de4 16.Nd7 ef3 Do you see the mate threat? 17.Nf6 gf6 18.g3 fe2 19.Qe2 Qd7 20.Bf6 (better is 20.Qf3 Be5 21.Be5 fe5 22.b5–+) 20...Qf5 21.Bd4 (21.Bb2 Ba6 22.Qd2 Bf1 23.Rf1 Be5–+) 21...Ba6 22.Qb2 (22.Qd2 Bf1 23.Rf1 ab4 24.Qb4 Qe6–+) 22...Bf1 23.Rf1 Bd6 24.Bh8 (24.Rc1 ab4 25.ab4–+) 24…f6 (24...f6 25.Qd2 Be7–+) 0–1. Rush,Bradley Craig – Janzen,Norbert, OG, 2004.

8.c5 Bc7 =.

8.Nbd2 b6 9.Be2 =.

8.Nbd2 e5 9.e4 (9.Be2 Re8=) 9...d4+= 10.Be2 (10.c5 Be7+=) 10...c5 11.b5 Re8 (11...a6 12.ba6 Ra6 13.0-0+=) 12.Nb3 (12.Rb1 a6+=) 12...Nf8 13.Bc1 Ne6 (13...a6 14.ba6 Ra6 15.Qc2+=) 14.g3 (14.0-0 a6+=) 14...Nf8 (14...a6 15.ba6 Ra6 16.Rb1-/+) 15.Bd2 Bh3 (15...a6 16.a4+=) 16.Bf1 (16.Ng5 Bd7+=) 16...Bf1 (16...Bg4 17.Be2+=) 17.Rf1 (17.Kf1 a6 18.a4 Ne6+=) 17...Ne6 18.a4 (18.Ng5 Ng5 19.Bg5 a6+=) 18...Qd7 (18...a6 19.h3+=) 19.a5 a6 20.b6 Rf8 (20...Rab8 21.Qe2=) 21.Nh4 g6 (21...Rad8 22.Nf5=) 22.Bh6 (22.f4 ef4 23.gf4 Ng7=) 22...Ng7 23.f3 Rac8 (23...Be7 24.Qc2=) 24.Qe2 Rfe8 (24...Be7 25.0-0-0=) 25.0-0-0 (25.Kf2 Qe6=) 25...Ne6 26.Kb2 Bf8 27.Bd2+= Bg7 28.Rf2 Nh5 29.Ng2 Qd6 30.Rdf1 f5 31.ef5+– gf5 32.f4 e4 33.Qh5 e3 34.Re2 ed2 35.Nd2 Qc6 36.Rfe1 Re7 37.Qf5 Rce8 38.Qd5 Qa4 39.f5 Qb4?? 40.Nb3 Qc3 41.Ka3 Qb4 42.Ka2 Qc3 43.Nf4 Kh8 44.fe6 (44.fe6 Qb4 45.Qc5 Qc5 46.Nc5+–) 1–0. Struck,Bernd Dieter (1975) – Reichwald,Klaus (1765), 03 sen. Bad Wildungen op, 2006.

8.Be2 c5 =.

8.Be2 e5 9.Nbd2 (9.Nc3 a5=) 9...Re8 (9...b6 10.0-0=) 10.Qc2 (10.cd5 cd5 11.0-0 Qb6=) 10...Nf8 11.0-0 Ng6 12.Rfe1 (12.Nb3 h6=) 12...h6 13.e4 (13.h3 Qe7=) 13...d4 (13...Bg4 14.h3 Bd7 15.d4 Ne4 16.Ne4 de4 17.Qe4=+) 14.c5 Bf8 (14...Bc7 15.g3=) 15.Bd1 (15.g3 Qc7=) 15...Nf4 (15...Qc7 16.g3=+) 16.Bc1 (16.Nc4 Qc7=) 16...N6h5 (16...a5 17.Nc4 ab4 18.Nfe5 Ne6=+) 17.Nf1 (17.Nc4 Qc7=) 17...g6 (17...a5 18.Bb2-/+) 18.Ng3=+ Bg7 (18...a5 19.Bb2=+) 19.Nh5 (19.Nd2 Nf6 20.Nc4 Qc7=) 19...Nh5 20.Nd2 Be6 (20...Nf4 21.Nc4=) 21.Bh5+= gh5 22.Nc4 Bc4 23.Qc4 Qh4 (23...Qd7 24.f4+=) 24.Rf1+– Qg4 25.f4 Qe6 26.Qe6 fe6 (26...Re6 27.fe5 Re5 28.Bf4+–) 27.f5 (27.fe5!? Be5 28.Bh6+–) 27...Rf8+= 28.f6 (28.Bd2 ef5 29.ef5 Rf7=) 28...Rf6= 29.Rf6 Bf6 30.Bh6 a5 31.Bd2 (31.Rf1 Be7=) 31...ab4 32.Bb4 Bg5 (32...h4 33.a4=) 33.Kf2 Kg7 (33...Be7 34.Rf1=) 34.Ke2 (34.a4 Kg6=) 34...Be7 (34...Ra4 35.Rb1=) 35.Kd2 (35.g3 Kg6=) 35...Rf8 36.Ke2 Ra8 37.Rf1 (37.Rb1 h4=) 37...Ra4 (37...Ra6 38.Rc1=) 38.Rb1 Ra6 (38...Kg6 39.h3=) 39.Kd2 (39.Kd1 Bg5=) 39...b6 40.Rc1?? (better 40.cb6 c5 41.Bc5 Bc5 42.b7=) 40...Bg5–+ 41.Kc2 Bc1 42.Kc1 b5 43.Kd1 (43.g3 Kf6 44.h3 Ra7–+) 43...Kg6 44.h4 (44.Ke2 h4–+) 44...Ra7 45.Ke2 Rf7 (45...Kf6 46.g3–+) 46.g3 ½–½. Wanderley,Rodrigo (1945) – De Almeida Jr,B L (2175), 3rd Championship Paraibano Aberto Absol, 2011.

8.Be2 Re8 9.Nbd2 a6 (9...b6 10.0-0=) 10.0-0 b6 11.h3 Bb7 12.Qb3 Rc8 13.Rfc1 Re7 14.d4 White plans c5 14...e5 15.c5 Bc7 (15...Bb8 16.de5 Ne5 17.cb6 Qb6 18.Bd4+/–) 16.de5 (16.cb6!? Nb6 17.Ne5 Nbd7+–) 16...Ne5+/– 17.cb6 Nf3 18.Nf3 (18.gf3?! Bb6 19.Bf6 gf6=) 18...Bb6 19.Bf6 gf6 20.Rc2 Qd6 21.Rac1 Ba7 (21...f5 22.Nd4 Bd4 23.ed4+=) 22.Qd3 Qd7 (better is 22...c5!?+/–) 23.Nd4+– Bd4 24.Bg4 (24.ed4?! Rce8+/–) 24...Qd8 25.Bc8 Be5?? (25...Be3 26.fe3 Qc8+–) 26.Bb7 Rb7 27.Rc6 Qb8 (27...Kg7+–) 28.Rc8 (28.Rc8 Kg7 29.Rb8 Rb8 30.f4+–) 1–0. Holz auf der Heide,Gerhard – Ludwig,Egbert, GER–ch Seniors–B, 2008.

8.Nc3 a5 =.

8.Nc3 Bc7 9.g4 (9.Be2 Qe7=) 9...Ne4 (9...Ng4!? 10.b5 Ngf6-/+) 10.h4 (10.Ne4 de4 11.Nd2 f5=) 10...f5 (10...Nc3 11.Bc3 Nf6 12.g5=+) 11.gf5= ef5 (worse 11...Rf5 12.Ne4 de4 13.Ng5+/-) 12.cd5 cd5? (better 12...Nc3!? 13.Bc3 cd5=) 13.Nd5+/- Ndf6 14.Nf6 Nf6 15.Qb3 Kh8 16.Ng5 Qe7 17.Rc1 h6 18.Nf3 Be6? (18...f4 19.Bg2+/-) 19.Qc2?? (better 19.Rc7!? Qc7 20.Qe6+-) 19...Bb6 (19...Rac8 20.Qd3+=) 20.h5 (20.Ne5 Kh7+/-) 20...Rac8 21.Qd1 Ne4 (21...Rc1!? 22.Bc1 Kg8+=) 22.Nh4 Bf7 23.Ng6 (23.Nf5?! Rc1 24.Qc1 Qg5=) 23...Bg6 24.hg6 Qf6 25.Bg2 (better 25.Rc8 Rc8 26.Bd3+/-) 25...f4?? (better 25...Rc1 26.Qc1 Qg6+=) 26.Be4 (better 26.Rc8!? fe3 27.Rf8 Qf8+-) 26...fe3 27.0-0 (27.f3 Qg5 28.Qd3 Qg3 29.Kd1 Qg2 30.Rh6 gh6 31.Qe3 Qf1 32.Kd2 Qg2 33.Kd3 Kg7+/-) 27...Qg5?? (better 27...ef2 28.Kg2 Qg5 29.Kh3 Qe3 30.Kh2 Rc1 (30...Qe4?! 31.Rc8 Rc8 32.Rf2-/+) 31.Qc1 Qe4-+) 28.Kh2?? (better 28.Bg2 Bc7 29.Rc5+-) 28...Qh4-+ 29.Kg2 Qe4 30.Kg1 (30.f3 Qg6 31.Kh2 Rc1 32.Qc1-+) 30...Qg6 31.Kh2 Bc7 32.f4 Rf4 33.Rf4 Bf4 34.Kh1 Qg3 (better 34...Rc1 35.Bc1 Qe4 36.Kg1 e2 37.Qe2 Qe2 38.Bf4 Qg4 39.Bg3 Qg3 40.Kf1 Qd3 41.Ke1 Qd4-+) 35.Rc8+- Kh7 36.Qd3 Qg6?? (better 36...g6 37.Rc2 Qh3 38.Kg1 e2 39.Qh3 e1Q 40.Qf1 Qg3 41.Qg2 Qe1 42.Qf1 Qg3 43.Qg2 Qe1 44.Qf1=) 37.Qe2 (better 37.Rh8! Kh8 38.Qg6+-) 37...Qg5 38.Qg2?? (better 38.Rc2+-) 38...Qh4 (better 38...Qh5 39.Kg1 Qd1 40.Qf1 e2 41.Qd1 ed1Q (41...ed1R?! 42.Kg2-+) 42.Kf2 Qd2 43.Kf1 Qb2-+) 39.Kg1= Qg5 0-1. allyouneedisluft (2455) - Burattinaio (2385), Rated Bullet game, lichess.org, 2017. (=1.a3 Nf6 2.b4 d5 3.Bb2 Nbd7 4.e3 c6 5.Nf3 e6 6.d4 Bd6 7.c4)

8.Nc3 Re8 9.Qb3 e5 10.Be2 (10.cd5 Nd5 11.Nd5 cd5 12.Qd5 Nf6+=) 10...e4 11.Nd2 dc4 12.Bc4 (12.Nc4 Nb6=) 12...Qe7=+ 13.h3 (13.Be2 Nb6=+) 13...Nb6 14.Be2 a6 (14...Bf5 15.0-0=+) 15.Na4 (15.0-0 Bc7=+) 15...Nbd5 (15...Na4 16.Qa4 Nd5 17.Qc2-/+) 16.Nc5 (16.Nc4 Bc7 17.Na5 Qd8-/+) 16...b6-/+ 17.Na4 Be6 (17...Bd7 18.Nc3-/+) 18.Qc2=+ Bd7 (18...Bc7 19.Nc3=+) 19.Nc4 Bc7 20.Ne5 Qd6 (20...a5!?=+) 21.Rc1+= Ne7? (better 21...Re6+=) 22.Nc4+– Qe6 23.Nab6 (23.Ncb6 Bb6 24.Nb6 Rab8 25.Nd7 Qd7 26.Ba6 Rb6+–) 23...Ra7 24.Nd7 (24.Na4 Ng6+–) 24...Nd7 25.Nd2 (25.0-0 Nd5+–) 25...Nf6+– 26.Qc5 (26.Qa4 a5+–) 26...Raa8 (26...Rea8 27.Qc4+–) 27.Bc4+– Qd7 28.0-0 (28.Ba2 Rec8 29.Bb1 a5 30.Ne4 Nfd5+–) 28...Bd6+– 29.Qa5 Bc7 30.Qc5 (30.Qa4 Nf5 31.Rfd1 a5+–) 30...Bd6+= 31.Qg5 h6 (31...Ned5 32.Nb3+=) 32.Qa5+– Bc7 33.Qa4 Qd6 34.f4 (34.g3 h5 35.Qc2 Nf5+–) 34...ef3 (34...Nf5 35.Rfe1 (35.Ba6 Ne3 36.Rc6 Qd7=+) 35...Nd5 36.Bd5 cd5 37.Rc5+–) 35.Nf3 Nf5?? (better 35...Qg3 36.Rf2 Ne4+–) 36.Ne5+– Ne3 (36...Re5 37.de5 Qd2+–) 37.Bf7 Kh8 (37...Kf8 38.Qb3 Re5 39.de5+–) 38.Be8 Qd5 39.Bc6 Qa2 40.Ba8 Qb2 41.Rfd1 (better 41.Rc7 Nf1 42.Kf1 Qa1 43.Ke2 Qa2 44.Ke3 Kh7+–) 41...Nd1 42.Qd1 (42.Rc7?! Qd4 43.Kh2 Qe5 44.g3 Qe2 45.Bg2 Ne3=) 42...Bb6 (42...Be5 43.Rc8 Kh7 44.de5 Qe5 45.Qc2 g6 46.Qc4+–) 43.Rc8 Ng8 44.Nf3 Qa3 45.Bd5 Qe3 (45...Bd4 46.Qd4 Qc1 47.Rc1 Ne7 48.Rc7 Nf5 49.Be4 Ne7 50.Re7 Kg8 51.Qg7) 46.Kh1 (46.Kh1 Qe2 47.Rg8 Kh7 48.Qb1 Qc2 49.Qc2 g6 50.Qg6) 1–0. Balov,Darko (2160) – Stojkoski,Acko (2125), 26. TCh–MKD, 2017.

8.c5 Be7 =.

8.Nbd2 a5 9.c5 Bc7 10.Bd3 Re8 11.Ne5 Ne5 12.de5 Nd7 13.Nf3 Qe7 14.Qc2 f5 15.h4 Rf8 (15...ab4 16.ab4 Ra1 17.Ba1=) 16.Ke2 (16.0-0 Qf7+=) 16...Rb8 17.Bd4 ab4 18.ab4 b6 19.Ra7 Bb7 (19...Rb7 20.cb6 Bb6 21.Rb7 Bb7 22.Rb1=) 20.Rha1 h6 (20...Qe8 21.cb6 Bb6 22.Bb6 Nb6 23.Nd4+/–) 21.Ba6+/– Ba6 (21...bc5 22.Bb7 (worse is 22.Rb7 Rb7 23.Bb7 cd4 24.ed4 Qb4 25.Bc6 Nb8+=) 22...cd4 A) 23.Nd4?! A1) 23...Qb4? 24.Bc6 (24.Nc6?! Qb5 25.Ke1 Rb7 26.Rb7 Qb7+=; 24.Qc6?! Qb2 25.Kd1 f4+=) 24...Ne5 25.Rc7+–; A2) 23...Ne5 24.Bc6 A21) 24...Nc6? 25.Qc6 (25.Nc6?! Qf6+/–) 25...Rf7 26.Ne6+– (26.Qe6?! Qe6 27.Ne6 Be5+/–); A22) 24...Rf7=; B) 23.Bc6 d3 24.Qd3+/–) 22.R1a6 (22.R7a6?! Rfc8=) 22...Rbc8 (better is 22...Rfc8!? 23.cb6 Bd8+–) 23.cb6+– Bb8 24.Bc5 Qd8 25.Bf8 Ba7 26.ba7 (26.Ra7 Nf8 27.b7 Rb8 28.Qc6 Qe7+–) 26...Qf8?! (26...Nf8 27.Qa4 Ra8 28.Qc6 Kh8+–) 27.Rc6 Ra8 28.Rc7 Nb6 (28...Qd8 29.Qc6 Nf8 30.Qb7+–) 29.Qc5 Qc5 30.bc5 (30.Rc5?! Ra7 31.Nd4 Kf7+–) 30...Nc8 31.Nd4 Na7 (31...g5 32.hg5 hg5 33.Nc6 Na7 34.Ra7+–) 32.c6 (32.h5 Kh8+–) 32...Nc8 33.Ne6 Nb6 (33...g5 34.hg5 hg5 35.Rg7 Kh8 36.Rg5+–) 34.Rg7 Kh8 35.Rb7 (35.Rb7 Ra2 36.Kd3+–) 1–0. Lebel,Patrick (2180) – Porat,David (2195), Crespi – Open Fide, 2002. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 c6 4.e3 e6 5.a3 Nbd7 6.c4 Bd6 7.d4 0-0)

8.Nbd2 a5 9.c5 Be7 10.Bd3 b6 11.Ne5 Ne5 12.de5 Nd7 13.cb6 (13.Qc2 bc5 14.bc5 Ba6 15.Bh7 Kh8=) 13...ab4=+ 14.ab4 Ra1 15.Ba1 Qb6 16.Qc2 Bb4 17.Bh7 (better is 17.0-0!?=+) 17...Kh8–+ 18.Bd3 Nc5 19.Bd4? (better is 19.Kd1 Ba6 20.Ba6 Qa6 21.Bc3 Bc3 22.Qc3–+) 19...Nd3–+ 20.Qd3 c5 21.Bb2 (21.Bc3 Ba6 22.Qc2 Bc3 23.Qc3–+) 21...Ba6 22.Qc2 Qb5 23.Qd1 c4 24.Bc1 (24.h4–+) 24...c3 25.f4 (25.h3 c2! 26.Qh5 Kg8–+) 25...cd2 26.Bd2 Qd3 (27.Kf2 Bd2 28.Qh5 Kg8–+) 0–1. Pierred (2215) – Schorsch10 (2425), Rated game, 3m + 0s, 2005.

8.Nbd2 a6 9.Bd3 b5 10.cb5 (10.c5!? Bc7 11.0-0+=) 10...ab5= 11.0-0 Ng4 (better 11...Nb6!?=) 12.Qc2+– f5 (12...Qc7 13.h3 Ngf6 14.Rfc1+–) 13.h3 (13.Qc6 Nb6 14.Bb5 Bd7 15.Qd6 Bb5 16.Qd8 Rfd8+–) 13...Ngf6+– 14.Qc6 Nb6 15.Bb5 (15.Qb5?? Bd7 16.Qc5 Bc5 17.dc5 Na4–+) 15...Ne4 16.Qc2 Bb7 (16...Bd7 17.Bd7 Qd7 18.Rac1+–) 17.Rac1 (17.Ne4 fe4 18.Ne5 Ba6 19.Ba6 Ra6+–) 17...Rc8 (17...f4 18.Ne5 Rc8 19.Qd3 Nd2 20.Qd2 Be5 21.de5 fe3 22.fe3+–) 18.Qd3 Bb8 (18...Qe7 19.Rc8 Bc8 20.Rc1+–) 19.Rc8 Qc8 (19...Nc8 20.Nb3+–) 20.a4 Qc7 21.a5 Nc8 (21...Nd2 22.Qd2 (22.ab6?? Nf3 23.gf3 Qh2) 22...Nc4 23.Qc3+–) 22.Rc1 Qd6 23.Ba3 (23.a6 Ba8 24.Ba3 Qe7+–) 23...Na7 24.Ba4 White plans b5 24...Rc8 (24...Nd2 25.Qd2 Ba6+–) 25.Rc8 Bc8 (25...Nc8 26.Qb5 Qe7 27.a6+–) 26.b5 Qd7 (26...Qc7 27.b6 Qc3 28.Qc3 Nc3 29.ba7 Ba7 30.Bc2+–) 27.Qc2 Nd2 (27...Bb7 28.Ne4 de4 29.Qc5+–) 28.Nd2 Bb7 (28...Qd8 29.b6 Bb7 30.ba7 Ba7 31.Qc3+–) 29.a6 Ba8 (29...Qc8 30.Qc5 Qc5 31.Bc5+–) 30.b6 Nc6 (30...Qd8 31.b7 Bb7 32.ab7+–) 31.Qc5 f4 32.Qf8 1–0. Janek – Dean, internet, 2017.

8.Nbd2 b6 9.Bd3 =.

8.Nbd2 Qc7 9.Bd3 e5 (9...b6 10.0-0=) 10.de5 (10.c5 e4 11.cd6 Qd6+=) 10...Ne5= 11.Ne5 Be5 12.Be5 Qe5 13.0-0 Bg4 14.Qc2 Rfd8 (14...Rad8 15.c5=) 15.h3 (15.c5 Bh5=) 15...Be6 (15...Bh5 16.c5=) 16.Nf3 (16.c5 Qh5=) 16...Qh5 17.Nd4 dc4 18.Be2 Qe5 19.Ne6 ½–½. Lindner,Jan Joost – Van Rij,Gert, NED–chT, 1995. (=1.c4 c6 2.b4 d5 3.e3 Nf6 4.Bb2 e6 5.a3 Nbd7 6.d4 Bd6 7.Nf3 0-0)

8.Bd3 b6 9.0-0 dc4 10.Bc4 Bb7 11.Nc3 Qe7 12.Qe2 (12.e4 e5=) 12...b5 (12...a5 13.b5=) 13.Bd3 a5 (14.ba5 Ra5=). RONY2001 (1705) – pierre (2045), internet, 2006.

8.Bd3 b6 9.Nbd2 c5 10.bc5 bc5 11.0-0 Rb8 (11...cd4 12.ed4 Ba6 13.Qe2=) 12.Qc2 h6 (12...Ba6 13.Rfb1=) 13.Rfd1 Qc7 (13...Qc7 14.dc5 Bc5 15.cd5 Nd5+/–; 13...cd4 14.Bd4 e5 15.Ba7=). Roldan,Antonio – Warren,John, IECG, 1999.

8.Bd3 dc4 9.Bc4 a5 10.ba5 Qa5 11.Qd2 +=.

8.Bd3 dc4 9.Bc4 a5 10.Qb3 Qe7 11.b5 a4 Black threatens to win material: a4xb3 12.Qc2 e5 ½–½. Horstmann,Astrid (1745) – Hirn,Oskar (2260), Nuremberg Zabo op 3rd, 2001. (=1.Nf3 e6 2.d4 d5 3.e3 c6 4.c4 Nf6 5.a3 Nbd7 6.b4 Bd6 7.Bb2 0-0)

8.Bd3 dc4 9.Bc4 a5 10.b5 Nb6 11.Bd3 Bd7 12.bc6 Bc6 13.0-0 Na4 14.Bc1 Qd7 15.Qe2 Ne4 16.Nfd2 Nd2 17.Bd2 (17.Nd2 Nc3 18.Bh7 Kh7 19.Qd3 Kg8 20.Qc3 Qc7+=) 17...Nb2+= 18.Nc3 Nd3 19.Qd3 a4 20.e4 Rfd8 21.Qb1 Be5 22.de5 Qd2 23.Nb5? (better is 23.Qb4-/+) 23...Qa5–+ 24.Nd6 Qe5 25.Nc4 Qe4 (25...Qd4 26.Ne3–+) 26.Qe4 Be4 27.Nb6 Ra6 28.Rfd1 Rd1 29.Rd1 g6 30.Nd7 Bc6 31.Ne5 Kg7 32.f3 Kf6 33.Ng4 Ke7 34.Ne5 Bd5 35.Rc1 f6 36.Nd3 Rc6 37.Rb1 Rc3 38.Nb4 Rb3 39.Re1 Kd6 40.Nc2 Kc5 41.Kf1 Bc4 42.Kg1 Rc3 43.Ne3 Ra3 44.Nc4 Kc4 45.Re6 Rb3 46.Re8 Rb6 47.Re4 Kb5 48.Kf1 a3 49.Re1 a2 50.Ra1 Ra6 51.Ke1 Kb4 52.Kd1 Kb3 53.Kc1 Rd6 54.g3 h5 55.f4 g5 56.fg5 fg5 57.h3 b5 58.g4 hg4 59.hg4 b4 60.Ra2 Ka2 61.Kc2 Rd7 62.Kc1 Kb3 63.Kb1 Rd1 mate 0–1. Enkhtuul,A (2130) – Rahman,SM (2285), Six Seasons WIM, Narayanganj BAN, 2010.

8.Bd3 Ne4 9.Nbd2 f5 10.0-0 g5 11.Ne5 Qf6 12.f4 g4 13.Be4 de4 14.Ng4! Qh4 (14...fg4 15.Ne4 Decoy) 15.Ne5 Rf6 16.Qe1 Qh5 17.g4! fg4 18.Ne4 Rh6 19.Qg3 Be7 20.Kh1 Ne5 21.fe5 Bd7 22.Rf4 Rg6 23.Nf6 Bf6 24.ef6 Kf7 25.Raf1 Qg5 26.R4f2 e5 27.Qe5 Qe5 28.de5 Be6 29.Rg2 (29.Rd1 g3 30.hg3 Rg3+–) 29...Rag8 30.Bd4 g3 (better is 30...Bc4!? 31.Rf4 Bd5+–) 31.Rf4+– Rh6 32.h4 (better is 32.Ba7!? Rh5+–) 32...Bg4 (better is 32...Bc4 33.Ba7 Bd5+–) 33.Ba7 1–0. Perez,Maximiliano (2145) – Garcia,Ezequiel (1980), Los Polvorines Materazzi Cup, 2007.

8.Bd3 Re8 9.cd5 ed5 10.0-0 Ne4 (10...a5 11.Nc3 Nb6 12.Qe2 Nc4 13.Bc4 dc4 14.Qc4 Be6 15.Qd3 b5; 10...h6 11.Nbd2 a5 12.Qc2 ab4 13.ab4 Ra1 14.Ra1 Bb4 15.g3 Qc7; 10...Qb6 11.Nc3 Ne4 12.Qe2 h6 13.h3 Ndf6 14.Ne5 Nc3 15.Bc3 Ne4; 10...g6 11.Nbd2 a5 12.Qc2 ab4 13.ab4 Ra1 14.Ra1 Bb4 15.h3 c5) 11.Nc3 Ndf6 (11...Qb6 12.Qe2 h6 13.h3 Rb8 14.Rfd1 Ndf6 15.Ne5 Nc3) 12.h3 (12.Ne5 Nc3 13.Bc3 Ne4 14.Qc2 Nc3 15.Qc3 Qe7) 12...Nc3 13.Bc3 Ne4 14.Bb2 (14.Be4 Re4 15.Qe2 f6) 14...f5 (14...Qe7 15.Rc1 Be6) 15.Ne5 Qg5 16.f4 (16.b5 cb5 17.Bb5 Re6=) 16...Qh6 17.Nf3 a6 18.Rc1 Bd7 19.Re1 Rad8 20.Rc2 Re6 21.Ne5 Be5 22.de5 Rg6 23.Be4 fe4 (worse is 23...de4 24.Rd2 Qh4 25.Ree2+/–) 0–1. Maldonado,Hernan (1965) – Gaviria,Alejandro, Neiva COL, Amateur Ch, 2011. (=1.Nf3 d5 2.c4 c6 3.d4 Nf6 4.e3 e6 5.a3 Bd6 6.b4 Nbd7 7.Bb2 0-0)

8.Bd3 Re8 9.Ne5 dc4 10.Bc4 Qc7 11.f4 b6 12.Nd2 Bb7 13.0-0 Rac8 14.Qe2 h6 15.Rac1 Be5? (better is 15...Red8+=) 16.fe5+– Nd5 17.Ne4 Rf8 18.Nd6 Rb8 19.Qf3 (19.e4 Ne7+–) 19...f5 (19...f6 20.Bd5 ed5 21.Qd5 Kh8+– (21...cd5?? 22.Rc7 Ba6 23.b5 Bb5 24.Nb5+–)) 20.Bd5 ed5 21.Qd5!! Kh7 (21...cd5 22.Rc7 Pinning (22.Rc7 Deflection)) 22.Nb7 (22.Qe6 Rbd8+–) 22...Qb7? (22...Rbc8 23.Qf3 Qb7 24.b5+–) 23.Qc6 b5 24.Qb7 Rb7 25.Rc2 Nb6 26.Rcf2 Nc4 27.Bc1 g6 28.g4! Rg7 (28...fg4 29.Rf4 Double attack (29.Rf8 Pinning; 29.Rf8 Deflection; 29.Rf4 Decoy)) 29.gf5 gf5 30.Kh1 Kg6 31.e4! Kh7 (31...fe4 32.Rg1 Double attack (32.Rf8 Pinning; 32.Rf8 Deflection; 32.Rf4 Decoy)) 32.ef5 1–0. Ostroverkhova,Elena (2045) – Shchipanova,Svetlana, UKR–ch U14 Girls, 2004.

8.Be2 a5 9.c5= Bc7 10.Nbd2 Ne4 11.0-0 Ndf6 (11...f5 12.g3=) 12.Qc2+= Bd7 13.Bd3 Nd2 14.Nd2 Qb8 (14...Ng4 15.Nf3 g6 16.h3+=) 15.g3 (15.Nf3 g6+/–) 15...e5+= 16.de5 (16.e4 de4 17.Ne4 Ne4 18.Be4 f5+=) 16...Be5 17.Nf3 (17.e4 Be6=) 17...Bb2= 18.Qb2 Bh3 (18...Re8 19.Nd4=) 19.Rfe1 (19.Rfb1 ab4 20.ab4 Qc7+=) 19...h6 (19...Qc7 20.b5+=) 20.Nh4 (20.b5 Ne4 21.Be4 de4+=) 20...Re8= 21.Bf5 Bf5 22.Nf5 ab4 (better is 22...Qe5!? 23.Qe5 Re5=) 23.ab4+/– Ra1 24.Ra1 Kh7 (24...Re5 25.Nd6 Re7 26.Ra2+/–) 25.Qa3 (25.Nd6!? Re7 26.b5+/–) 25...Qe5+= 26.Nd6 (26.Nd4 Ne4+=) 26...Re7= 27.Qa8 (27.Qd3 Ne4 28.Ra7 Qb2 29.Ne4 de4=) 27...Ng4 28.h3?? (better is 28.Qa2=) 28...Nf2!–+ 29.Kf2 (29.Kh2 Qe3 30.Qa3 Nd3–+) 29...Qe3 30.Kg2 Qd2 31.Kf1 Re2 32.Qa2–+ Qa2 33.Ra2 Ra2 34.Nb7 Rb2 35.Nd8 Rb4 36.Nc6 Rc4 37.Ne5 Rc5 38.Nf7 d4 39.Ke2 Rc3 40.Kf2 d3 41.g4 d2 42.Ke2 Rf3! 43.Ne5 Re3! (43...Re3 44.Ke3 d1Q–+) 0–1. Reimer,Karl – Eickhoff,Hermann (2140), Nord West Cup, 2000.

8.Be2 dc4!? 9.Bc4 a5 +=.

8.Be2 Ne4 9.Nbd2 f5 (9...Ndf6 10.0-0=) 10.g3 (10.0-0 Bc7=) 10...Qf6 (10...b6 11.0-0=) 11.0-0 (11.Qc2 Qh6=) 11...Qe7 (11...b6 12.Qb3=) 12.Ne5 (12.Qc2 b6+=) 12...Nd2 (12...a5 13.c5 Bc7 14.f3=) 13.Qd2+= Nf6 (13...Bc7 14.Bf3+=) 14.f4 (14.f3!?+=) 14...Bd7 (14...Ne4 15.Qc2=) 15.Qc2 White plans c5 15...a6 (15...Ne4 16.Bf3=) 16.c5 ½–½. Ehrlich,Hans Georg (1930) – Winking,Hendrik (1915), Muensterland Verbandsliga, 2008.

8.Be2 Qe7 9.Nc3 (9.c5 Bc7=) 9...dc4 10.Bc4 e5 11.0-0 e4 12.Nd2 Nb6 13.Be2 Re8 (13...Bf5 14.Qb3+=) 14.b5 (14.Qc2 Bf5=) 14...c5 (14...Bd7 15.Qb1+=) 15.dc5= Bc5 16.Nb3 (16.Na4 Na4 17.Qa4 Ng4=) 16...Bd6+= 17.Nd4 Bd7 18.Nb1 Rad8 19.Nd2 h5 (19...Qe5 20.g3+=) 20.Re1 (20.Bh5? Qe5 21.Bf7 Kf7–+) 20...Bg4 21.Bg4 (better is 21.Rc1!?=) 21...Bh2-/+ Black fights for the Initiative 22.Kf1 (22.Kh2 Decoy theme: h2 22...Ng4) 22...Ng4 (22...hg4?! 23.g3 Qc5 24.Qb3=) 23.Nf5 (23.Ke2 Be5 24.Qb3 Nd5–+) 23...Qd7 (23...Qg5!? 24.Ng7 Re7 25.Bd4–+) 24.Nd4-/+ Bb8 25.Ke2 (25.Qc2 Qe7 26.Nf5 Qg5 27.Ne4 Nh2 28.Kg1 Nf3 29.Kf1 Ne1 30.Re1 Qf5 31.Nf6 Qf6 32.Bf6 gf6-/+) 25...Ne5–+ 26.Rh1 Nd3 27.Kf1 (27.Qb3 Be5–+) 27...Qg4 (27...Nb2 28.Qh5 f5 29.Qh7 Kf7 30.Rh5-/+) 28.Bc3 (28.Qg4 hg4 29.Rb1 g3 30.fg3 Nd5–+) 28...Nd5 29.Qb3?? (better is 29.Qg4 hg4 30.Ba5–+) 29...Nf2! (29...Nc3?! 30.Qc3 Rd4 31.ed4 Nf2 32.Kg1–+) 30.Rh4 (30.Kf2 Decoy to f2 30...Qg3) 30...Qg3 (better is 30...Qh4 31.Nf5 Qg5 32.Bd4 Qf5 33.Ke2–+) 31.Nf5 Ne3 32.Ne3 Qh4 33.Nf5 33...Qf4 34.Ng7 Nd3 35.Kg1 Qf2 36.Kh1 Black now must not overlook the idea Nf1 36...Qh4 37.Kg1 Bh2 (37...Bh2 38.Kf1 Qf2#) 0–1. Bennett,Hilton Petrie – Duncan,Kevin, Australian op, 1999.

9.Bd3 Ne4 10.0-0 =.

9.Bd3 Qe7 10.Nbd2 (10.0-0 Ne4=) 10...e5 11.de5 Ne5 12.Ne5 Be5 ½–½. Woelfelschneider,Peter (2135) – Milde,Lars (1815), TT–05.07 TSC, 2003.

9.Bd3 Re8 10.Nbd2 e5 11.Ne5 Ne5 12.de5 Be5 13.Be5 Re5 14.0-0 Bg4 15.Qb1 Qc7 16.Re1 Rae8 17.a4 Ne4 18.Qc2 Nd2 19.Qd2 Qe7 20.h3 Bc8 21.a5 a6 22.Re2 Bf5 23.Bf5 Rf5 24.Ra3 Re5 25.Rd3 f5 26.Rd4 g5 27.g3 Re4 28.Qd1 (28.Re1 f4=) 28...Kf7 (28...f4 29.gf4 gf4 30.Kh2=+) 29.Re4 (29.Red2 Qe6=) 29...fe4 (worse 29...de4 30.Rd2 Qf6 31.Rd7 Re7 32.Rd6+=) 30.Kg2 Qf6 31.Rd2 Kg6 32.Qg4 h5 33.Qd7 Re7 34.Qd8 Rf7 35.Qg8 Kh6 36.Qb8 Kg7 37.Qe8 Kh7 38.Ra2 h4 39.Kh2 Qf3 40.Qe5 Qf5 41.Qf5 Rf5 42.Kg2 Kg7 43.gh4 gh4 44.Rc2 Kf6 45.Rd2 Rg5 ½-½. momotombo (2080) - marekt (2290), gameknot.com, 2021.

9.Bd3 Re8 10.Ne5 Nf8 (10...Ne5 11.de5 Nd7 12.0-0=) 11.Nd2 N6d7 12.0-0 f6 13.Nd7 Bd7 14.Qb3 (14.f4 b5+=) 14...e5= 15.f4 (15.b5 Ne6=) 15...ef4 16.ef4 Qe7 17.Rae1 (better is 17.Rf2!?=) 17...Qe1-/+ 18.Re1 Re1 19.Kf2 Rae8 20.Nf3 R1e7 21.Bc1 Ne6 22.g3 a6 23.h4 (23.f5 Nd8+=) 23...Bb8 24.a4 g6 25.Bd2 Ng7 26.Qc3 Bf5 27.Nh2 (better is 27.b5-/+) 27...Re2?? (better is 27...Bd3 28.Qd3 Nf5-/+) 28.Kg1 (better is 28.Be2 Bc7 29.b5+–) 28...Bd3 (better is 28...R2e3!? 29.Be3 Re3–+) 29.Qd3-/+ Nf5 30.Ng4 R2e6 31.Kf2 Kg7–+ 32.Ne3? Ne3 33.Be3 Re4?? 34.Kf3?? Re3–+ 35.Qe3 Re3 36.Ke3 f5 37.a5 Kf6 38.Kf3 h6 39.Ke3 g5 40.h5 gf4 41.gf4 Kf7 42.Kf3 Bf4 43.Kf4 Kf6 44.Ke3 Kg5 45.Kf3 f4 46.Kf2 Kh5 47.Kf3 Kg5 (47...Kg5 48.Kg2 Kg4–+) 0–1. Porubszki,G – Veenstra,P, Biel, 2000.

9.Be2 Qe7 10.0-0 e5 11.de5 Ne5 12.Ne5 Be5 13.Be5 Qe5 14.Nd2 Bf5 15.Nf3 Qe7 16.Nd4 Bd7 17.Bf3 (17.Bd3 Bg4 18.Qc2 Rfe8+=) 17...Rfe8= 18.Qe2 Ne4 19.Qc2 Ng5 20.Be2 Qe5 21.Bd3 h6 22.Rfe1 Ne4 23.Rad1 Qg5 24.f3 Nf6 25.Qf2 Qe5 26.Rb1 Nh7 (26...b5 27.e4+=) 27.f4 Qf6 28.e4 de4 29.Be4 Nf8 30.f5 Nh7 31.h4 (31.Rbd1 Rad8+=) 31...Qd8 32.g3 Nf6 33.Bf3 Qc7 34.Rbd1 Re1 35.Re1 Re8 36.Re8 Be8 37.Qe1 Kf8 38.Kg2 Qe7 (38...Bd7 39.h5+=) 39.Qe7+/– Ke7 40.b5 cb5 41.Bb7 Kd8 42.c6 Kc7 43.Nb5 Kb6 44.a4 Nd5 45.g4 a6 46.Nd6+/– Bc6 47.Bc6 Kc6 48.Nf7 Nc3 49.f6 gf6 50.Nh6 Na4 51.Ng8 Nc5 52.h5 Kd6 53.h6 Nd3 54.Kg3 Ne5 55.Nf6 ½–½. Double Wood – touchdown, ChessWorld.net, 2005.

9.c5 Bc7 =.

9.Bd3 Nd2 10.Qd2 dc4 11.Bc4 Qc7 (11...a5 12.0-0=) 12.e4 Nb6 13.Bb3 f5 14.Qe2 (14.e5 Be7+=) 14...fe4= 15.Qe4 Rf4 16.Qd3 (worse 16.Be6 Kf8 17.Qh7 Be6–+) 16...Nd5 17.Bc2 g6 18.g3 (18.0-0 a5=) 18...Rf5 (18...Rf8 19.Nd2=+) 19.Ne5 Be5 (19...a5 20.b5=) 20.de5 Bd7 (20...Re5 21.Be5 Qe5 22.Kd2=) 21.Qe2 Rf7 22.h4 Qb6 The backward pawn on f2 becomes a target (22...a5 23.h5 g5 24.Qd2 ab4 25.ab4 Ra1 26.Ba1+=) 23.h5 (23.Qd2 a5 24.h5 g5+–) 23...Nb4 (23...Raf8 24.Rh2 g5 25.Qd2+=) 24.hg6 Nc2 25.Qc2 The mate threat is gxf7 25...hg6 26.Qg6 The passed pawn on g3 will become decisive later 26...Rg7 27.Qc2 Qa5 28.Kf1 (28.Bc3 Qd5 29.Rh4 c5+–) 28...Qd5 (28...c5 29.Rc1 Bc6 30.Rh6=) 29.Rh6 c5 30.Qd1 (30.a4 Rf8+=) 30...Bc6 31.Qd5 Bd5 32.Ke2 b5 33.Rc1 Rc8 34.Bc3 Rc6 35.Rb1 (35.Bd2 a6=+) 35...Ra6 36.Kd2 (36.Bb2 Ra4=+) 36...Rb6 (36...Rd7 37.Ra1=+) 37.Ba5 Rbb7 38.Bd8? (38.Rc1 c4=+) 38...Be4?? (better 38...Rbd7 39.Bf6 Be4 40.Kc1 Bb1 41.Bg7 Kg7 (41...Rg7?! 42.Kb1 Kf7 43.Rf6 Ke7 44.Rh6=+) 42.Re6 Be4–+) 39.Rc1=+ Rgd7 40.Ke3 Bf5 41.g4 Rd3 (41...Bg4 42.Bf6 Bf5 43.Rh8 Kf7 44.Rg1+–) 42.Ke2 Be4 43.Bg5 (43.f3!? Rf3 44.Rc5 Ra3 45.Re6=) 43...c4-/+ 44.Re6 Bf3 45.Kf1 Bg4 (45...Ra3 46.Rg6 Rg7 47.Rg7 Kg7 48.Bf6 Kf7 49.g5-/+) 46.Rg6=+ Rg7 47.Rg7 Kg7 48.Re1 (48.a4 a6=+) 48...Kg6 (48...Ra3!? 49.e6 Kf8 50.Re5–+) 49.Bc1 Rd1 (49...Bh3!? 50.Ke2 a5-/+) 50.Rd1=+ Bd1 51.Ke1 Bg4 ½–½. Hepting,Heinrich (2185) – Mischustov,Michael (2380), Oberliga Bayern, 2000.

9.Bd3 Nd2 10.Nd2 Qh4 11.Nf3 +=.

9.Bd3 f5 10.0-0 Qf6 11.Qb3 g5 (11...Qg6 12.Qc2=) 12.cd5 (12.h3 g4 13.hg4 Qh6 14.Be4 fe4=) 12...cd5= (12...ed5? 13.Be4 fe4 14.Ne4+–) 13.Be4 (13.Be2 g4 14.Ne4 fe4=) 13...fe4 (worse is 13...de4 14.Ng5 Nb6 15.f4+/–) 14.Ne1 (14.Ne5!?=) 14...Qh6-/+ Threatening mate: Qxh2 15.g3 Nf6 (15...g4 16.Rc1-/+) 16.f3+= Bd7 17.b5 ef3 (17...Qh3 18.Rf2-/+) 18.Nef3+= Rf7 (18...a6 19.a4+=) 19.a4= Raf8 20.Qd3 Qh5 21.Qe2 (better is 21.Ba3 Ba3 22.Qa3=) 21...Ne4–+ 22.Qg2 g4 23.Ne5 (23.Nh4 Rf2 24.Rf2 Rf2 (24...Nf2?! 25.Rf1 Nh3 26.Kh1+=) 25.Qf2 Nf2 26.Kf2 Be7–+) 23...Rf2 24.Qh1 (24.Rf2 Rf2 25.Qf2 Nf2 26.Nd7–+) 24...Rd2 25.Nd7 Rf1 26.Rf1 Rb2 27.h4 (27.b6 Qh6 28.Nf6 Nf6 29.Re1 ab6 30.Qg2 Rg2 31.Kg2 Bg3 32.h4 gh3 33.Kg1 Be1 34.a5 Qe3 35.Kh2 Qf2 36.Kh3 Qg3) 27...Qf7! (27...Bg3 28.Qe4 Bf2 29.Rf2 Rf2 30.Qe6 Qf7 31.Qg4 Kh8 32.Qg3-/+) 28.Rf7 Kf7 29.Ne5 (29.Qg2 Rg2 30.Kg2 Bg3–+) 29...Be5 30.de5 Rb1 31.Kh2 Rh1 32.Kh1 Ng3 33.Kg2 Nf5 (33...Nf5 34.Kf2 Nh4–+) 0–1. Krotki,J – Joyner,L, (year?).

9.Bd3 f5 10.0-0 Qf6 11.Rc1 Qh6 12.Ne5 a5= (12...c5 13.Ndf3 (13.bc5 Be5 14.de5 Ndc5 15.Ne4 de4 16.Bc2 b6 17.Bd4 Rd8 18.Qe2; 13.Nef3 cb4 14.ab4 Bb4 15.cd5 ed5 16.Be2 Nd2 17.Nd2 a5 18.Bc3) 13...cd4 14.Bd4 Rd8 15.h3 Ne5 16.Ne5 a5 17.c5 Be5 18.Be5) 13.b5 (13.cd5 ed5 14.b5 c5 15.f4 cd4 16.Nd7 Bd7 17.Bd4 Rfc8 18.Be4) 13...Ne5 (13...c5 14.Ndf3 Ne5 15.Ne5 cd4 16.ed4 dc4 17.Rc4 Bd7 18.Bc1) 14.de5 Be7 (14...Bc5 15.Nb3 Be7 16.cd5 ed5 17.Re1 a4 18.Nd2) 15.Nb3 (15.a4 Rd8= (15...Nc5 16.Be2 Bd7 17.Ba3 cb5 18.Bc5) 16.cd5 Rd5 17.Be4 fe4 18.bc6; 15.cd5 ed5 16.f4 c5 17.Rf3 Bd7 18.Rh3) 15...Rd8 (15...dc4 16.Rc4 cb5 17.Rc7 Bd8 18.Rc2) 16.Qe2 (16.bc6 bc6 17.cd5 (17.Qe2 Bd7 18.cd5) 17...ed5= (17...Rd5 18.Nd4) 18.Qe2; 16.cd5 ed5 17.Qe2 a4 18.Nd2) 16...a4 17.Nd4 (17.Nd2 Nc5 18.Bc2) 17...c5 18.Nf3 b6 19.Rcd1 (19.Rfd1 Qg6=) 19...Bb7=+ 20.Nd2 Qg6 (20...Nd2 21.Rd2 Qg6 22.f3=) 21.f3 Nd2 22.Rd2 Qh6 (22...Rac8 23.Rfd1=) 23.Rfd1 f4 24.ef4 Qf4 25.g3 Qh6 26.f4 d4 27.Qg4 Kf7 (27...Kh8 28.Rf2 Rf8 29.Bc1+=) 28.Rf2. Mehlhorn,Uwe (2440) – Radeiski,Wolfgang (2250), RS–Pyramide remoteschach.de, 2006.

9.Bd3 f5 10.0-0 Qf6 11.Qc2 Rb8 +=.

9.Bd3 f5 10.0-0 Qf6 11.Qe2 b6= 12.cd5 (12.Rac1 a5 13.b5 Bb7=) 12...ed5 13.Rac1 Bb7 14.b5 cb5 15.Bb5 Qe6 (15...Qe7 16.Rc2=) 16.Rfd1 (16.Rc2 a6 17.Bd3 b5=) 16...a6 17.Bd7 (17.Bd3 b5=) 17...Qd7=+ 18.Ne5 Qe6 19.Nf1 (19.Rc2 Rac8 20.Rdc1 Rc2 21.Rc2 b5=+) 19...Rae8 20.Ng3 f4 21.Ne4= de4 22.Qg4 Qg4=+ 23.Ng4 f3 24.g3 Bd5 25.Ne5=+ Bb3 26.Rf1 Be5-/+ 27.de5 Rc8 28.Rc8 Rc8 29.Rc1 Rc1 30.Bc1 g5 31.Kf1 Kf7 32.Ke1 Ke6 33.Bb2 g4 34.Bd4 b5 35.Kd2 Bc4 36.Kc3 Kd5 (36...a5 37.Bb6-/+) ½–½. Schulz,Hans_Juergen – Woelfelschneider,Peter, TT–16.04 ETC, 2005.

9.Bd3 f5 10.0-0 Rf6 11.Ne5 g5 (11...Rh6 12.Ndf3+=) 12.f3+/– Nd2 13.Qd2 Rh6 14.g3 (14.c5 Ne5 15.de5 Bf8+/–) 14...Nf8 (better is 14...Ne5!? 15.de5 Be5 16.Be5 dc4=) 15.Rad1 Be5 16.de5 Ng6 17.cd5 cd5 18.Rc1 a6 19.Rc5 Ne7 20.e4?? (better is 20.Rfc1+/–) 20...de4–+ 21.fe4 fe4 22.Qg5 Rg6 23.Qf4 ed3 24.Qf7 (24.Rc3 d2 25.Rd3 Qe8–+) 24...Kh8 25.Rc4 (25.Qf8 Qf8 26.Rf8 Rg8 27.Rg8 Kg8–+) 25...Bd7 26.Rh4 (26.Rd4–+) 26...Rg7 27.Qh5 Qg8 28.Qf3 (28.Rh3 Rd8 29.Bc1 Nf5–+) 28...Bc6 (28...Nf5 29.Rh3 Rf8 30.Qf4–+) 29.Qf6 (29.Qe3 d2! 30.Rd4 Rd8–+) 29...Nd5 (29...Ng6!? 30.Rd4–+) 30.Qf2 Rd8 31.Bc1 (31.Rd4 Bb5–+) 31...Rdd7 (better is 31...Nc3 32.Re1 Ne2 33.Kf1 Nc1 34.Rc1–+) 32.Bh6 Rgf7 33.Qd2 (33.Qe1 Qd8 34.Rc4 d2 35.Bd2 Rf1 36.Qf1 Bb5–+) 33...Rf1 34.Kf1 Qf7 35.Bf4 (35.Qf2 Qf2 36.Kf2 Ne7–+) 35...Qf5 (better is 35...Ne3! 36.Kg1 Nc4 37.Qf2–+) 36.Kg1 Rf7 (better is 36...Nf4 37.Rf4 Qe5 38.Kf2–+) 37.h3 (37.b5 Bb5 38.Qe1 d2 39.Qd2 Qb1 40.Qc1 Qc1 41.Bc1 Rf1 42.Kg2 Rc1–+) 37...Ne7 (37...Qe4 38.b5 Nf4 39.gf4 Qh1 40.Kf2 Qg2 41.Ke3 Qg1 42.Qf2 Qc1 43.Qd2 Qc5 44.Kd3 Rd7 45.Ke2 Bb5 46.Kf3 Rd2 47.Rh7 Kh7 48.a4 Qg1 49.ab5 Qg2 50.Ke3 Qe2) 38.Qe3 (38.b5 Bb5 39.a4 Ba4–+) 38...Ng6 39.Rg4 d2! 40.Qd2 (40.Qd2 Ne5 Deflection) 40...Rd7 41.Qe2 Qb1 42.Kf2 Qh1 43.h4 (43.Rg5–+) 43...Qg2 44.Ke3 Qg1 45.Qf2 Qc1 46.Ke2 Qd1 0–1. Lumsdon,Andrew (2090) – Byron,Alan M (2195), 8th Gibraltar Challengers–B, 2010. (=1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.a3 c6 5.c4 Nbd7 6.b4 Bd6 7.Bb2 0-0 8.Nbd2 Ne4)

9.Qc2 e5 10.cd5 cd5 (worse 10...Nd5 A) 11.Nc4 e4 12.Nd6 ef3 (12...Qd6 13.Qe4 Nb4 14.Rb1 f5 15.Bc4 Nd5 16.Qh4+=) 13.Nc8 Rac8 (13...Rfc8 14.gf3+= a5 15.ba5 Ra5 16.Bd3+=) 14.gf3 Rfe8 15.h4 Qf6 16.Rh3+=; B) 11.Bd3 N5f6 12.0-0 Re8 13.Ng5 Nf8 14.h3 ed4 15.Bd4 h6 16.Bf6+–) 11.de5 (11.Ne5 Ne5 12.de5 Be5 13.Bd3 Bg4 14.h3 Rac8 15.Qb1 Bh5 16.0-0=) 11...Ne5 (worse 11...Be5 12.Ne5 (12.Bd3+= a5 13.0-0 Bd6 14.b5 Re8 15.Rfd1 a4 16.Ra2+=) 12...Ne5 13.Rc1 Qe6 14.Qc7 Nfd7 15.Be2 Re8 16.0-0+–) 12.Be2 (12.Ne5 Be5 13.Bd3 Bg4 14.h3 Rfc8 15.Qb1 Bd7 16.0-0=) 12...Bg4 13.0-0 Rac8 (13...Rfc8 14.Qb3 a5 15.Rfd1 ab4 16.ab4=) ½–½. Mirzoev,Azer (2615) – Lopez Martinez,Josep Manuel (2585), XIX Magistral, Pamplona ESP, 2009. (=1.Nf3 Nf6 2.b4 e6 3.a3 c6 4.e3 d5 5.Bb2 Nbd7 6.c4 Bd6 7.d4 0-0 8.Nbd2 Qe7)

9.Bd3 e5 10.de5 Ne5 11.Be2 Bf5 12.0-0 Ne4 13.cd5 cd5 14.Nb3 Rad8 15.Qd4 (15.Qd5?? Nf3 16.Bf3 Bh2 17.Kh2 Rd5–+) 15...Nf3 16.Bf3 Qg5 17.Nc5 (better is 17.Qa7!? Rd7 18.Rac1+/–) 17...Be7 18.Ra2 (worse is 18.Ne4 de4 19.h4 Qg6–+; worse is 18.Be4 de4 19.Qc4 Qg6-/+) 18...b6 19.Nb3 (19.Be4? de4 (worse is 19...Be4 20.Ne4 de4 21.Qe4+/–; 19...bc5?! 20.Qg7 Qg7 21.Bg7 de4 22.Bf8 Kf8 23.bc5-/+) 20.Ne4 Qg6 (worse is 20...Rd4 21.Ng5 Rd3 22.Nf3+=) 21.Qg7 Qg7 22.Bg7 Kg7–+ (22...Be4?! 23.Bf8 Kf8 24.f3=); 19.Ne4 de4 20.h4 Qg6–+) 19...Qh6 20.g3 Bf6 21.Qd1 Ng5 22.Bf6 (22.Bd5?? Rd5 23.Bd4 Rfd8–+) 22...Qf6 23.Bg2 Attacking the isolated pawn on d5 (23.Bd5?? Rd5 24.Qd5 Be4 25.Qe4 Ne4–+) 23...Be4 24.Nd4 Qd6 25.Qg4 Bg2 26.Kg2 Qf6 27.Rc2 g6 28.Rc6 Qe7 29.Rfc1 Ne4 30.Qf4 Nd6 31.Rc7 Rd7 32.Nc6 Qe8 33.Na7 Nc4 34.Nb5 Rc7 35.Nc7 Qc6 36.b5 Qb7? (36...Qc5 37.e4 d4 38.Nd5 Ne3 39.fe3 (worse is 39.Ne3 Qc1 40.Nd5 Qf4 41.gf4 Ra8-/+) 39...Qc1 40.Qe5+=) 37.Rd1 (better is 37.e4!? Rd8 38.a4+–) 37...Rd8 38.e4 d4 39.Nd5 Na3? (better is 39...Rd5 40.ed5 Qd5 41.Qf3 Qe5+–) 40.Rd4 Rc8 (40...Rd5 41.Rd5 Qe7+–) 41.Nf6 Kg7 42.Rd7 Qb8 (42...Qd7 43.Nd7 Nc4 44.Qf6 Kg8+–) 43.Nh5!! gh5 (43...gh5 44.Qf7 Mate attack) 44.Qf7 1–0. Obrzud,Damian (1850) – Litwin,Barbara (1785), Polanica Zdroj op–C Poland, 2009.

9.Be2 e5 10.cd5 Nd5 11.Nc4 e4 12.Nfd2 Bc7 13.0-0 (13.Qc2 b5 14.Na5 Ba5 15.Qc6 Ne3 16.fe3 Rb8 17.ba5 Bb7+–) 13...f5 (13...b5!? 14.Na5 Qd6-/+) 14.Qc2= Rf6 15.Rfc1 Rh6 16.g3 Qf6 17.Nb1 N7b6 18.b5 cb5 19.Nb6 Bb6 (< 19...ab6 20.Nc3 Nc3 21.Qc3=) 20.Bb5 Be6 21.Nc3 Kh8 22.Na4 Bg8 23.Nb6 Qb6 24.Bf1 Qg6 25.Bg2 b5 26.Qc5 Qe8 27.Rc2 a5 28.Bf1 Rb6 29.Rac1 b4 30.Bg2 b3 31.Rc4 Qh5 32.Rb1 a4 33.Rbc1 Rh6 34.Kf1 Qh2 35.Re1 f4 (35...Rb6!? 36.Rec1–+) 36.ef4-/+ e3 (37.fe3 Rh5+=). Scholz,Sascha (2040) – Schulz,Hans_Juergen (2145), RS6D – A00 – Sokolsky Alt–1, 2004.

9.Be2 e5 10.cd5 e4 11.Nh4 Nb6 12.dc6 bc6 13.g3 a5 (13...Bh3 14.Bf1 Bf1 15.Kf1+=) 14.ba5= Ra5 15.Qb3 Na4 16.Nc4 Ra8 17.0-0 Be6 18.Rfb1 c5 19.Qd1 Bc7 20.Qc2 Nb2 21.Rb2 Rfc8 22.Rd1 cd4 23.ed4 (23.Rd4? Be5 24.Ne5 Rc2 25.Rc2 Qa3–+) 23...g6 (23...h6 24.f3 Bd5 25.fe4 Ne4 26.Bd3=) 24.Ng2 Bd6 25.a4 Nd5 (25...Ba3 26.Rb6 Bd7 27.Rdb1+=) 26.Rb5 White prepares the advance a5 (26.Nge3 Kg7=) 26...Ra7 27.Qb3 Rac7 28.a5 Qd7 29.Rc1 Be7 30.Rb8 Bf6 31.Rd1 Kg7 32.Rc8 Qc8 33.Nb6 Qb7 34.Bc4= Rc4 35.Qc4 Ne3 36.Ne3 Bc4 37.Nec4 h5 38.h4 Bd8 39.d5 f5 40.Ne3 Kf7 41.Nbc4= Kg7 42.d6+= Qd7 43.Ra1 Bf6 44.Ra2 Qb5 45.Rd2 f4 46.gf4 Bh4 47.d7 Bd8 Attacks the isolani on a5 48.Kg2 h4 49.Rd6 Qb4 50.a6 Qe1+= 51.Ng4 h3 52.Kh2 e3 53.Nce3 Qb4 54.Re6 Qf4 55.Kh3 Qf7 56.a7 Qf3 57.Kh2 Qb7 58.Ne5 Qa7 59.Rg6 Kh7 60.N3g4 Qd4 61.f3 Qf4 62.Kh3+– Qf5 63.Kg3 Qf8 64.Re6 Qc5 65.Re8 Bg5 66.Nf2 Kg7? 67.Ne4+– Qg1 68.Kh3 Qh1 69.Kg4 Qh4 70.Kf5 Qf4 71.Ke6 Bh4 72.d8Q Bd8 73.Rd8 Qh6 74.Ke7 Qh4 75.Kd7 Qh2 76.Re8 Qa2 77.Re7 Kh6 78.Nd6 Kh5 79.Rf7 Qa7 80.Ke6 Qa2 81.Kf6 Kh4 1–0. Kural,A. Serhat (2000) – Pascoal,Jos‚ Sargento, Jubilee, 2007.

9.Be2 e5 10.cd5 e4 11.Nh4 Nb8 (worse is 11...Nd5 12.Nf5 Qf6 13.Nd6 Qd6 14.Ne4+/–) 12.dc6 Nc6 13.g3 Bh3 (13...Rd8 14.Qc2=) 14.g4+= g6 (14...Rfc8 15.Nf5 Qd8 16.b5+/–) 15.Rg1 (15.g5 Ne8 16.Rg1 Nc7+=) 15...Nd5= (15...Bh2? 16.Rh1 Qc7 17.b5+–) 16.Ng2 (16.g5 Rad8=) 16...Rac8 17.Bc4 Qe6 (17...Bh2 18.Rh1 Qc7 19.Bf1+= (19.Bd5?! Bg2 20.Be4 Bh1 21.Bh1 Bd6=)) 18.Qe2 (18.Qb3 Nce7 19.Nf4 Bf4 20.ef4 Bg4 21.Bd5 Nd5 22.Rg4 Qg4 23.Qd5=) 18...Rfe8 19.Bb3 White launches an attack 19...Nce7 (19...a6 20.g5=) 20.Nf4+= Bf4 21.ef4 f5 22.g5 (better is 22.f3 e3 23.Nb1+/–) 22...Bg4= 23.Rg4 fg4 24.Qe4 Qa6 25.Kd1 Kf8 26.Qe5 Ng8 (26...Nf5!? 27.Qh8 Ke7 28.Qe5 Kf8 29.Qh8 Ke7 30.Qe5 Kf8=) 27.b5+= Qb5 28.a4 Nc3 ½–½. Boehnke,Hartmut (2160) – Douglas,Steve R, corr ICCF, 2005.

9.Ne5 Ne8 10.c5 Be5= 11.de5 f6 12.ef6 (12.Nf3 b6=) 12...Nef6 13.Be2 (13.e4 e5=) 13...e5 (13...b6 14.Qa4 bc5 15.Qc6=+) 14.e4 (14.Qc2 a5=) 14...d4 (14...b6 15.ed5 Nd5 16.cb6 ab6 17.Qc2=) 15.0-0 b6 16.cb6 ab6 17.Qc2 c5 18.b5 (18.bc5 bc5 19.Bc4 Kh8=) 18...Bb7 19.Bf3 (19.Rad1 Rad8=) 19...Ne8=+ 20.Qb3 (20.Nc4 Qe6=+) 20...Kh8 21.Nc4 (21.Qd3 Nd6-/+) 21...Nd6 22.Rfe1 (22.Qd3 Nc4 23.Qc4 Qf7-/+) 22...Nc4 (22...Qf7 23.Rac1-/+) 23.Qc4 Nf6 24.a4 (24.Qd3 Qf7-/+) 24...Qf7 25.Qc2 Rfc8 26.g3 Qe6 (26...c4 27.Bg2-/+) 27.Bg2 h6 (27...c4 28.f4-/+) 28.f3 (28.f4 ef4 29.gf4 Re8-/+) 28...Rc7 (28...c4 29.f4-/+) 29.Ra3 (29.f4 c4-/+) 29...Rd8 (29...c4 30.f4-/+) 30.Bc1 (30.Rc1 c4-/+) 30...c4 31.f4 Rcc8 32.Rf3 (better 32.fe5!? Nd7 33.Bf4-/+) 32...d3–+ 33.Qc3 Ne4 (33...Ne4 34.Qe5 Qe5 35.fe5 c3–+) 0–1. Cafferty,Bernard (2080) – Kett,Tim (2220), 89. Hastings Masters, 2014. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 Nbd7 4.e3 e6 5.a3 Bd6 6.c4 c6 7.d4 0-0 8.Nbd2 Qe7)

9.Ne5 Ne8 10.Bd3+= f6 11.Nd7 (11.Nef3 f5+= (11...e5 12.cd5 cd5 13.Qb3 Qf7 14.0-0 Nc7 15.Nc4 Qe7 16.Nd6) 12.cd5 cd5 13.0-0 Nef6 14.Rc1 b6 15.Qb3 Bb7 16.Rc2) 11...Bd7 12.0-0 f5 13.c5 Bc7 (13...Bb8 14.Qe2 Nf6 15.f4 Bc7 16.Nf3) 14.f4 (14.Nf3 Nf6= 15.Ne5 Be8 16.f3) 14...Nf6= 15.a4 (15.Nf3 Be8 16.Ne5) 15...a6 (15...b6 16.Qe2=) 16.Bc3 (16.Qf3=) 16...Ng4 (16...Be8 17.Qc2=) 17.Qe2+= Be8 18.Nf3 Nf6 19.Be1 Ne4 (19...Bh5 20.Qb2+=) 20.Bh4 Qd7 21.Qb2 White prepares the advance b5 21...Bh5 22.b5 Bf3 23.gf3 Nf6 24.ba6 ba6 25.Qe2 a5 26.Rfb1 Rab8 27.Ba6 Kh8 28.Qf1 (28.Qg2 Rg8+=) 28...Rg8 29.Ra2 (29.Qg2 Qf7+=) 29...h6 (29...Rb4 30.Rab2 Rgb8 31.Qe2+=) 30.Rg2 (30.Rab2 Rb2 31.Rb2 g5 32.fg5 hg5+–) 30...Nh7 (30...Rb4 31.Rb4 ab4 32.Bd3=) 31.Rb8 Bb8 (31...Rb8 32.Bd3+=) 32.Qb1 (32.Rb2 g5 33.fg5 Ng5+=) 32...g5 33.fg5 hg5 (33...Ng5 34.Kh1 Bc7 35.Qg1+=) 34.Bg3+– f4 (34...Bg3 35.hg3 Nf6 36.Qb7+–) 35.ef4 gf4 (35...Bc7 36.Qc1 gf4 37.Bf4 Rg2 38.Kg2 Qg7 39.Kf1+–) 36.Bh4+– Qe8? (better 36...Bc7 37.Rg8 Kg8 38.Qg6 Qg7 39.Qg7 Kg7+–) 37.Bd3 Rg2 38.Kg2 Qg8 39.Kf1 (39.Kh1 Bc7+–) 39...Bc7 40.Qb7 Qf7 (40...Qg7 41.Qc6 Nf8 42.Bf2+–) 41.Qc6 (better 41.Bh7 Kh7 42.Bd8 Qf5 43.Qc7 Kh6+–) 41...Nf8 (41...Qh5 42.Qc7 Qf3 43.Kg1 Qg4 44.Bg3 Qd1 45.Kg2 Qd3 46.Qf4 Qe2 47.Bf2+–) 42.Qa8 (42.Qb7 Kg8 43.c6 e5 44.de5 Qh5+–) 42...Kg8 43.Qb7 (better 43.Bf2!? Qd7 44.c6 Qd6+–) 43...Qh5 44.Kg2 (44.Qc7?! Qf3 45.Kg1 Qd1 46.Kf2 Qd3 47.Qf4 Ng6+=) 44...Qh4 45.Qc7 Qg5 46.Kh1 Qh4? (better 46...Qf6 47.Qe5 Qe5 48.de5 Kf7+–) 47.Qe5 Qf2 (47...Qe7 48.Qf4 Kg7 49.Kg2+–) 48.Qf4 (48.Qg5 Kf7 49.Qf4 Kg7+–) 48...Qe1 (48...Qb2 49.c6 Qc3 50.Bb5+–) 49.Kg2 Qd1 (49...Qc3 50.Bb5 e5 51.Qg4 Kf7 52.Qh5 Kg8 53.Qe5 Qc2 54.Kg1 Qg6 55.Kf1+–) 50.Bb5 Qc2 (50...Ng6 51.Qf6 Nf8 52.h4 Qd2 53.Kh3+–) 51.Kg3 Qb1 (51...Qg6 52.Qg4 Kf7 53.Qg6 Ng6 54.c6+–) 52.Be8 Qg1 53.Kh4 Qf2 (53...Qg7 54.c6 e5 55.Qg4 Qg4 56.Kg4+–) 54.Qg3 (54.Kh5 Qg2 55.Qf7 Kh8 56.Qf8 Kh7 57.Qe7 Kh8 58.Qf6 Qg7 59.Qg7 Kg7 60.c6 e5 61.c7 ed4 62.c8Q d3 63.Qc7 Kg8 64.Kg6 d2 65.Qg7) 54...Qg3 (54...Ng6 55.Bg6 Qd4 56.Kg5 Qc5 57.Qb8 Qf8 58.Qf8 Kf8+–) 55.Kg3 e5 56.de5 Ne6 57.c6 Kf8 58.Bd7 Nc7 59.Kf4 1–0. Shen,Siyuan (2125) – Wen,Gehua (2070), Master Open, Singapore SIN, 2004. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 Bd6 5.e3 Nbd7 6.c4 c6 7.d4 0-0 8.Nbd2 Qe7)

9.Rc1 a5 10.b5=.

9.Rc1 e5 10.de5 (10.cd5 cd5 (worse 10...Nd5 11.Nc4 Bc7 12.de5+–) 11.de5 Ne5 12.Be5 Be5 13.Ne5 Re5=) 10...Ne5=+ 11.cd5 (11.Be2 Nf3 12.Bf3 a5 13.cd5 cd5=) 11...Nd5 12.Bc4 Nc4 13.Nc4 Be7 (13...Bf5 14.0-0=+) 14.Qb3 (14.0-0 Bf5=) 14...Be6 (14...Bg4 15.Nd4=) 15.Nd4= Bf6 16.Ne6 Re6 17.0-0 Bb2 18.Nb2 (18.Qb2 Qe7=) 18...Qg5 (18...a5 19.b5=) 19.Nd3 (19.b5 Rd8=) 19...Rd8 20.Rfd1 Ne3 (better 20...Red6 21.Nc5 Ne3 22.fe3 Rd2 23.Rd2 Rd2–+) 21.Nf4?? (better 21.fe3 Qe3 22.Kh1+–) 21...Nd1 (21...Rd1 22.Rd1 Nd1 23.Qd1–+) 22.Rd1 Rd1 23.Qd1 Re8 24.g3 Qe5 (24...Qd8 25.Qg4–+) 25.Qd7 (25.Ng2 Qd5 26.Qc2 Qd4–+) 25...Qe7 26.Qg4 g6 27.Nh5 (27.Ng2 Rd8–+) 27...f5 28.Qc4 Qe6 29.Nf6 Kh8 30.Qd4 Qe5 (better 30...Qe1 31.Kg2 Qe5 32.Qh4–+) 31.Qd7 Re7 (31...Qf6?! 32.Qe8 Kg7 33.Qd7 Kh6 34.Qb7 Qa1 35.Kg2 Qa3 36.Qe7=) 32.Qd8 (32.Qc8 Kg7 33.Nd7 Qa1 34.Kg2–+) 32...Kg7 33.Nd7 Re8 34.Qg5 (34.Ne5 Rd8 35.h4 Rd1 36.Kg2 Rc1–+) 34...Qe7 (better 34...Qd5 35.Qf6 Kg8 36.Qc3 Qd7 37.b5 Qd1 38.Kg2–+) 35.Qe7 (35.Qd2 Qe1 36.Qe1 Re1 37.Kg2 Rc1–+) 35...Re7 36.Nc5 b6 37.Na6 (37.Nd3 Re2–+) 37...Re1 38.Kg2 Ra1 39.Nb8 (39.a4 Ra4 40.Nb8 c5 41.bc5 bc5–+) 39...c5 40.bc5 bc5 41.Nc6 (41.Kf3 a5 42.Ke2 a4–+) 41...Ra3 42.Kf1 (42.Ne5 a5 43.Nc4 Ra1–+) 42...Ra2 43.h4 (43.Nd8 Kf6 44.Ke1 a5–+) 43...a5 44.Ne5 (44.h5 a4 45.Nd8 a3 46.Ne6 Kf6 47.hg6 hg6–+ (47...Ke6 48.gh7 Rc2 49.h8Q+–)) 44...a4 45.Nc4 a3 46.f4 Ra1 47.Ke2 a2 (47...a2 48.Ne3 Rc1 49.Kd2 a1Q 50.Ke2 Qb2 51.Kf3 Qd2 52.h5 Rc3 53.h6 Kh6 54.g4 Re3) 0–1. Kalanyos,Ferenc (1995) – Zsigmond,Karoly (2060), HUN–chT2 Asztalos, 2009.

9.Ne5 a5 10.c5 Bc7 11.b5 Ne5 12.de5=+.

9.Ne5 a5 10.c5 Bc7 11.Bd3+=.

9.Ne5 a5 10.c5+= Bf8 11.Bd3 Ne5 12.de5 Nd7 13.Qc2 ab4 14.ab4 Ra1 15.Ba1 g6 16.0-0 b6 17.Bd4 bc5 18.bc5 Bb7 19.f4 Qe7 The pressure on the isolated pawn grows 20.Nb3 Ra8 21.Rc1 (21.Qc3 Ra4+=) 21...Qe8 (21...Qh4 22.Qd2+=) 22.Nd2 (22.e4 Ba6+=) 22...Ba6 (22...Ra3 23.Be2=) 23.g4 (23.Ba6 Ra6 24.e4 Qe7+=) 23...Qb8 (23...Bd3 24.Qd3 Qb8 25.Nb3+=) 24.Ba6 (24.Rb1 Qc7 25.Ba6 Ra6=) 24...Ra6+= 25.f5 (better is 25.g5+=) 25...Ne5–+ 26.Rb1 Qc7 27.h3 Nd7 28.Kg2 (28.Nb3 Qg3 29.Qg2 Qg2 30.Kg2 Ra2 31.Kg3 Ra3 32.fe6 fe6–+) 28...e5 29.fg6 hg6 (29...hg6 30.Bc3 Qa7–+; 29...ed4?! 30.gh7 Kg7 31.ed4–+) 0–1. Mess,Karl Heinz – Solzbacher,Karl, corr GER jub50 qJVH09, 1996.

9.Ne5 a5 10.c5 Bf8 11.Bd3+= Ne5 (11...Qc7 12.Qa4+=) 12.de5+/– Nd7 13.Bc3 (13.Qc2!?+/–) 13...ab4= 14.ab4 Ra1 15.Qa1 b6 16.Qa4 (better is 16.cb6!? Qb6 17.Qa5=) 16...bc5=+ (17.Qc6 cb4=+). Efthimakis,Dimitris – Vaassen,Jack, b2–b4.com, 2004.

9.Ne5 Qc7 10.f4 dc4 (10...Be7 11.Bd3=) 11.Bc4 (11.Ndc4 Nb6+=) 11...Nf8 (11...a5 12.ba5 Nd5 13.Qf3=) 12.0-0+= a5 13.ba5 (13.b5 Qb6+=) 13...Ra5 (13...Nd5 14.Qf3+=) 14.Bd3 Ra8 15.Ndc4 b6 (15...Be7 16.a4+=) 16.Nd6+– Qd6 17.a4 (17.Qf3 Bb7+–) 17...Ba6+= 18.Ba6 Ra6 19.Qc2 (19.Ba3 Qd5+=) 19...Nd5 (19...b5 20.ab5 Ra1 21.Ra1 cb5 22.Qc5+=) 20.Rfe1 (20.Ba3 A) 20...Ne3? 21.Qc3 (21.Bd6? Nc2 22.Rab1 Nd4–+) 21...Qd5 22.Qe3+–; B) 20...Qc7 21.Qd3 Ra4+=) 20...b5 (20...Rc8 21.f5=) 21.Nd3 Nd7 (21...Ng6 22.Nc5 Ra7 23.e4+=) 22.Nc5 (22.e4 Nb4 (worse 22...Nf4 23.e5 Ne5 24.Ne5+–) 23.Nb4 Qb4 24.ab5 Ra1 25.Ra1 cb5=) 22...Nc5 (22...Ra7 23.a5=) 23.dc5 Qb8 (23...Qf8!?=) 24.Be5+= Qb7 25.e4 Ne7 26.ab5 (26.Qb2 f6 27.Bd6 Nc8 28.ab5 Ra1 29.Ra1 Nd6 30.cd6 cb5+=) 26...Ra1 27.Ra1 (27.Ba1 cb5 28.Qb2 f6=) 27...cb5 28.Rb1 (28.Qd3 Nc6+=) 28...Nc6= 29.Bd6 Ra8 (29...Rd8 30.Qb2 b4 31.f5=) 30.f5 (30.Qb3 b4=) 30...ef5 31.ef5 Nd4 32.Qf2 Qe4 (32...Qd5 33.f6=) 33.Re1+= Qd3 (better 33...Qd5 34.f6 Ne6+=) 34.h3 (better 34.f6+=) 34...Nf5-/+ 35.Kh2? (better 35.Qa2! Qd4 36.Kh2=+) 35...Nd6–+ 36.cd6 Qd6 37.Kh1 h6 (37...b4 38.Qf3 Rd8 39.Rb1–+) 38.Qf3 Rd8 39.Qb3 Qd7 40.Rb1 (40.Qf3 Qd2 41.Rb1 Qc2–+) 40...Rb8 (40...Qf5 41.Kh2 Qe5 42.Qg3–+) 41.Rd1 (41.Qf3 Qd6–+) 41...Qc6 42.Qb4 Qc4 (42...Re8 43.Qb3–+) 43.Qd6 Rc8 (43...Re8 44.Qd7 Qe2 45.Rb1–+) 44.Rd4 (44.Rb1 Qc5 45.Qf4 Rd8–+) 44...Qe6 (44...Qf1 45.Kh2–+) 45.Qf4 Re8 46.Rd1 Qe5 (46...Qe4 47.Qg3–+) 47.Qb4 Ra8 (47...Qg5 48.Qb2–+) 48.Qb1 Qc5 (48...Rc8 49.Re1 Qc3 50.Qe4–+) 49.Rf1 (49.Qe4 Rb8–+) 49...Qc4 (49...Rd8 50.Re1–+) 50.Rc1 Qd5 51.Rd1 Qb7 (51...Qg5 52.Qb3–+) 52.Qb4 (52.Re1–+) 52...Ra2?? (better 52...Qc6–+) 53.Rd8+– Kh7 54.Qb1 (54.Qb1 g6 55.Qa2+–) 1–0. Anselm,J – Moeckel,Edgar, Alpenpokal op, 1993. (=1.d4 d5 2.Nf3 Nf6 3.e3 c6 4.c4 e6 5.a3 Nbd7 6.b4 Bd6 7.Bb2 0-0 8.Nbd2 Re8)

9.Ne5 Nf8 10.Bd3+= Qe7 11.0-0 (11.Qc2 Bc7 (11...N6d7 12.0-0 Bc7 13.f4 Ng6 14.Ndf3 Nde5 15.de5 a5 16.Bd4 ab4; 11...Ng6 12.0-0 Rd8 13.c5 Bc7 14.Ndf3 Nd7 15.h3 Nde5 16.de5 a5; 11...g6 12.0-0 N8d7 13.c5 Bc7 14.Ndf3 Nh5 15.h3 Ng7 16.Rfe1 f6; 11...Kh8 12.0-0 Ng6 13.Ndf3 dc4 14.Bc4 Nd5 15.e4 Nb6 16.Bb3 a5; 11...Rd8 12.0-0 Ng6 13.Ndf3 Bc7 14.Rfd1 dc4 15.Nc4 Bd7 16.g3 a5; 11...a5 12.c5 Bc7 13.0-0 N6d7 14.Nef3 Nf6 15.h3 Bd7 16.Ne5 Ng6; 11...Bd7 12.0-0 Ng6 13.c5 Bc7 14.Ndf3 Red8 15.Ng5 Ne5 16.de5 Ng4) 12.0-0 N6d7 13.Nef3 Ng6 14.h3 a6 15.Rfe1 Nf6 16.Ne5 Bd7; 11.h3 Ng6 (11...Bc7 12.0-0 Ng6 13.Qc2 Bd7 14.c5 Nh4 15.Ndf3 Nf3 16.Nf3 g6; 11...Bd7 12.0-0 Ng6 13.Qc2 Bc7 14.c5 Nh4 15.Ndf3 Nf3 16.Nf3 g6; 11...N8d7 12.0-0 Bc7 13.Qc2 g6 14.Ndf3 dc4 15.Bc4 Rd8 16.Nf7 Kf7; 11...Qc7 12.c5 Be7 13.0-0 N6d7 14.Ndf3 Ng6 15.Qc2 Nde5 16.de5 Bd7; 11...Qd8 12.0-0 Ng6 13.Qc2 Nd7 14.Nef3 f5 15.b5 Nf6 16.c5 Bc7; 11...h6 12.0-0 N8d7 13.c5 Bc7 14.Qc2 Rd8 15.Rfd1 a5 16.Ndf3 Ne5; 11...N6d7 12.0-0 f6 13.Nef3 Ng6 14.Rc1 Qf7 15.Qb3 a5 16.c5 Be7) 12.0-0 Bc7 13.Qc2 Bd7 14.Ndf3 Ne5 15.de5 dc4 16.Bc4 Nd5) 11...Bd7 (11...Ng6 12.Qc2 Bc7 13.Ndf3 dc4 14.Bc4 Rd8 15.Rfd1 Bd7 16.e4 a5; 11...Bc7 12.Ndf3 Ng6 13.Qc2 dc4 14.Bc4 Rd8 15.Rad1 Bd7 16.Nd7 Rd7; 11...N8d7 12.Qc2 Bc7 13.Ndf3 dc4 14.Nc4 h6 15.e4 Nb6 16.Ne3 Rd8; 11...Rd8 12.c5 Bc7 13.Qc2 N6d7 14.f4 Ne5 15.de5 Ng6 16.Nf3 Bd7) 12.f4 (12.Qc2 Ng6 13.c5 Bc7 14.Ndf3 a5 15.Bc3 ab4 16.ab4 Ne5) 12...Rad8 (12...a5 13.c5 Bc7 14.Qc2 Ng6 15.Ndf3 Ne5 16.Ne5 ab4) 13.g4 (13.c5 Bc7 14.Qf3 Ng6 15.Qh3 Rf8 16.Ndf3 Ne5) 13...dc4 14.Bc4 (14.Ndc4 Bc7 15.g5 Nd5 16.e4 Nb6) 14...Nd5 15.Qe1 (15.Nd7? Ne3 (15...Nd7?! 16.Qf3=; 15...Qd7?! 16.Qf3=; 15...Rd7?! 16.Qf3=) 16.Qb1 Nd7–+ (16...Nc4 17.Nf8 Qh4 18.Nc4 Qg4 19.Kh1 Bf8 20.Qc2+–); 15.Qf3 f6 16.e4 Nf4) 15...f6 (15...Ng6 16.Ne4 Bc7) 16.Nd7 (16.e4 Nf4) 16...Qd7 17.Ne4 f5 18.Nd6 Qd6 19.g5 h6 (19...Ng6 20.Rc1=) 20.gh6+= gh6 21.e4 fe4 22.Qe4 Re7 23.Kh1 Rdd7 24.Rae1 Rg7 25.Bc1 Rdf7 26.f5 ef5 27.Rf5 Re7 28.Re5 (28.Bd5? cd5 29.Rf8 Kf8 30.Qf5 Kg8 31.Re7 Re7–+) 28...Re5 (28...Ng6!? 29.Re6 Qe6 30.Qe6 Kh7+=) 29.de5+– Qe6 30.Rd1 Rd7 31.Rg1 Rg7 32.Rf1 Rf7 (32...Nd7+=) 33.Rd1 Rd7 34.Qg2 Kh7? (better 34...Kf7!?+=) 35.Bd3+– Ng6 36.h4 h5 37.Qf3 Qe5 (37...Nb6 38.Rg1 (38.Qh5?! Kg8 39.Bg6 Rd1 40.Qd1 Qg6+–) 38...Rd3 39.Qd3+–) 38.Bf5 Rg7 39.Qh5 Kg8 40.Bg6 Qg3 41.Bh7 Kf8?? (41...Rh7 42.Qe8 Combination) 42.Rf1+– Ke7 43.Bg5 Kd7 (43...Rg5 44.Qg5 Qg5 45.hg5+–) 44.Bf5 (better 44.Rf7 Ke6 45.Bf5 Ke5 46.Rg7+–) 44...Kc7 45.Qg4 (better 45.Qh8 Rg5 46.Qc8 Kb6 47.Qd8 Nc7 48.Qg5+–) 45...Qa3 (45...Qe5+–) 46.Bf4 Nf4 (46...Kb6 47.Qg7 a5 48.Qd4 Ka6 49.Bd3 b5+–) 47.Qg7 Kb8 48.Qe5 (48.Qe5 Ka8 49.Qe8) 1–0. Jaramillo,Carlos Orlando (1940) – Lopez,Alvaro Diego, Medellin COL, Cuartas Mem, 2011.

10.cd5 Nd5 11.Nc4 Bc7 12.de5+/–.

10.cd5 Nd5 11.de5 Ne5 12.0-0 Nf3 13.Nf3 Qc7 14.Rc1 a6 (14...Bg4 15.h3 Be6 16.Qc2=) 15.Qc2 Bg4 16.h3 Bh5 17.Rfd1 Bg6 18.Qb3 Qe7 19.Nd4 (19.Bc4 Nb6 20.Qc3 Qf8+=) 19...Rad8 (19...Be5 20.Bd3=) 20.Nf3 (20.Ba6 ba6 21.Nc6 Qf8 22.Nd8 Ne3 23.fe3 Rd8+-) 20...Bb8 21.Bd4 h6 (21...Be4!?=) 22.Qb2+= f6 23.Bc4 Kh8 24.Bf1 (24.Bc5 Qe6+=) 24...Bh5= 25.g4 Bf7 26.Bg2 h5 27.Nh4 hg4 28.hg4 Kg8 29.Nf5 Qe6 30.a4 g6 31.Nh6 Kg7 32.Nf7 Kf7 33.b5 Rd6 (33...ab5 34.g5 b4= (worse 34...ba4 35.Qb7 Rd7 36.Qc6+/-)) 34.ba6 ba6 35.Qb7 Rd7 (35...Ne7 36.Bc5 (36.Qa6? c5 37.Qc4 Qc4 38.Rc4 Ba7-+) 36...Rd1 37.Rd1+/-) 36.Qc6 Rd6 37.Qb7 Rd7 38.Bd5 Qd5 (38...Rb7 39.Be6 Re6 40.Kg2+/-) 39.Qd5 (39.Qa6 Qf3 40.g5 Qg4 41.Kf1 Be5 42.Qc4 Re6 43.gf6 Qh3 44.Ke1 Qg4+-) 39...Rd5+/- 40.Rb1 Red8 41.Rb7 R5d7 (41...Ke6!?+/-) 42.Rdb1 Be5 (42...Bc7 43.g5! Be5 44.Be5 fe5 45.Rd7 Rd7 46.Rb6+-) 43.Be5 fe5 44.f4 (better 44.Rd7!? Rd7 45.Rb6+-) 44...ef4+/- 45.ef4 Kg7 46.R1b6 1-0. jhonores (2210) - vectorial (2260), Rated Blitz game, lichess.org, 2020.

10.cd5 e4 11.dc6 bc6= (worse is 11...ef3 12.cd7 Bd7 13.Nf3+–).

10.de5 Ne5 11.cd5 Nd5 12.0-0 Bf5?? 13.e4+= Nf3?? (13...Nf4 14.ef5 Ne2 15.Qe2 Nd3+-) 14.Bf3+- Nf4 (14...Be6 15.ed5 Bd5 16.Bd5 cd5 17.Nf3+-) 15.ef5 Qg5 (15...Nd3 16.Bc3 Be5 17.Qc2+-) 16.Ne4 Nh3 (16...Re4 17.Qd6 Re2+-) 17.Kh1 Re4 18.Qd6 (18.Qd6 Qf4 19.Qd3+- (19.gh3?! Qd6 20.Be4 Qd2+-); 18.gh3?! Qf4 19.Qd6 Qd6 20.Be4 Qd2+-) 1-0. PierrE – Hitti, internet, 2022.

10.de5 Ne5 11.cd5 Nd5 12.0-0 Nf6 13.h3 (13.Qc2 Bg4+=) 13...Qc7 14.Ne5 Be5 15.Be5 Qe5 (15...Re5 16.Nf3 Rd5 17.Nd4=) 16.Nf3 (16.Nc4 Qc7=) 16...Qe7 17.Re1 (17.Qc2 Be6=) 17...Bf5 (17...a5 18.b5=) 18.Qb3 (18.Nd4 Qe5=) 18...Be4 (18...Ne4 19.Bd3=) 19.Rad1 (19.Nd4 a5=) 19...Rad8 (19...a5 20.b5=) 20.Nd4 h6 (20...Bd5 21.Bc4=) 21.Bd3 (21.Bc4 Bg6=) 21...Bd3 (21...Qe5 22.Be4 Ne4 23.Qc4=) 22.Rd3 Ne4 (22...c5 23.bc5 Ne4 24.Qb4 Nc5 25.Rdd1=) 23.Red1 Qf6 (23...Qg5 24.Qc2 Qg6 25.f3+=) 24.Qc2 (24.f3 Ng3=) 24...Rd5 (24...Qg6 25.Qc4=) 25.Nf3 (25.f3 Ng3+=) 25...Rd3= 26.Rd3 (26.Qd3 a6=) 26...Qa1 27.Qd1 Qb2 28.Qe1 (28.Nd2 Nc3 29.Qb3 Qc1 30.Kh2 Nd5=) 28...Re6 (28...c5 29.bc5 Nc5 30.Rd1=) 29.Nd2 (29.Rd8 Kh7=) 29...Nd2 (29...Nd6 30.Nf3=) 30.Qd2 (30.Rd2 Qe5+=) 30...Qd2= 31.Rd2 ½–½. Luneau – Philippe, Cannes, 1995. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c6 5.e3 Bd6 6.c4 Nbd7 7.d4 0-0 8.Nbd2 Re8)

10.de5 Ne5 11.cd5 Nd5 12.0-0 Bg4 13.h3 Bh5 14.Ne4=.

10.de5 Ne5= 11.Ne5 Be5 12.Be5 Re5 13.Nf3 Re8 14.cd5 (14.0-0 Bg4=) 14...Nd5 15.Rc1 Qf6 (15...Bf5 16.0-0=) 16.Qd4 Bf5 17.Qf6 Nf6 18.Nd4 Be4 (18...Bg6 19.0-0=) 19.0-0 (19.f3 Bg6 20.Kf2 Re5+=) 19...Nd5 (19...Rad8 20.Rfd1+=) 20.Rfe1 (20.Rfd1 Rac8+=) 20...Nc7 (20...Rad8 21.Red1+=) 21.f3+= Bg6 22.Kf2 Nd5 (22...a6 23.Red1+=) 23.e4+/– Nf4 24.Bf1 Rad8 25.Red1 Rd7? (better is 25...Ne6!? 26.Nb3 Rd1 27.Rd1 Kf8+=) 26.Nc6+– Rd1 27.Ne7 Kf8 28.Ng6 Ng6 29.Rd1 Ne5 30.Rc1 Rd8 31.Ke3 Nc6 32.Be2 Rd6 33.b5 Nd8 34.Rc8 Ke8 35.Ra8 Rg6 36.g3 Rh6 37.h4 Rg6 38.g4 Rh6 39.h5 g6 40.hg6 fg6 41.Ra7 Rh1 42.a4 Ra1 43.a5 h5 44.gh5 gh5 45.a6 b6 46.Rh7 Ra3 47.Kf2 Ra2 48.Rh6 h4 49.Rb6 h3 50.Rh6 h2 51.b6 Nc6 52.b7 (52.b7 Kf7 53.Rh2+–; 52.Rc6 h1Q 53.Rc8 Kd7 54.Rc7 Kd8–+) 1–0. Humeau,Cyril (2100) – Poiron,Nicolas (1730), Corsica–ch, 2006.

8.Bc4 0-0 9.Nbd2 Nb6 10.0-0 Nc4 11.Nc4 Bc7 12.Qc2 b5 13.Nce5 Bd7 14.Rfc1 Rc8 15.Ng5 (15.Nc6 Bc6 16.Qc6 Bh2 17.Kh2 Rc6 18.Rc6 Ne4-/+; 15.Nd7?! Qd7 16.Ne5 Be5 17.de5 Nd5+=) 15...a5 16.ba5 (16.Nc6? Bc6 17.ba5 Bh2 18.Kh2 Ng4 19.Kg3 Qg5–+; 16.Nd7?! Qd7 17.ba5 Ba5+=) 16...Ba5 17.Ng4 g6 18.Nf6 Qf6 19.Ne4 Qe7 20.Bc3 Bb6? (better is 20...Bc3 21.Qc3 Ra8+/–) 21.Bb4+– Qh4 22.Bf8 Kf8 23.Nc5 Be8 24.a4 Ra8 25.Ra2 Bc7 26.h3 Bb6 27.Qc3 Qd8 28.Rca1 Ba5 29.Qb2 b4 30.Nb7 Qb6 31.Na5 Ra5 32.Rb1 c5 33.dc5 1–0. Fiedler,Peter – Steingraeber,Barbara (1770), T0076 DESC, 2003.

8.Bc4 0-0 9.Nbd2 Nb6 10.Bd3 a5 11.ba5 Ra5 12.0-0 Nfd5 (12...Na4 13.Bc1+=) 13.Qb3 (13.Qc2 f5+=) 13...f5= 14.Rfc1 Ra8 (14...Bd7 15.Rab1+=) 15.a4 Bb4 16.Nc4 Nc4 17.Bc4 Ba5 (17...Qa5 18.Ne5+=) 18.Ne5 Rf6 19.Bf1 (19.Rab1 Bc7+=) 19...Qb6 (19...Rh6 20.Rab1+=) 20.Qb6 (20.Qc2 Nb4 21.Qd1 Nd5+=) 20...Bb6 21.Nc4 Bc7 22.a5 Rf7 (22...Ra7 23.f3+=) 23.Ba3+– Rd7 24.Bc5 Kf7 25.Bb6 (25.Nb6 Bb6 26.ab6 Ra1 27.Ra1 Rd8+–) 25...Bb8+= 26.f3 f4 27.ef4 Bf4 28.Re1 Kf6 29.g3 Bc7 30.Bc7 Rc7 31.Bh3 (31.f4 h6+–) 31...Bd7 (31...Re7 32.f4+–) 32.Ne5 (32.Nb6 Nb6 33.ab6 Ra1 34.Ra1 Rc8+–) 32...Bc8 33.Nd3 Nc3 34.Nc5 Increasing the pressure on the isolated pawn on e6 (34.Kf2 Nb5 35.Re4 Nd6+=) 34...Nb5+= 35.Red1 (35.Ne6 Re7 36.Nf4 Re1 37.Re1 Bh3 38.Nh3 Nd4–+; worse 35.Be6 Nd4 36.Bc8 Nf3 (worse 36...Rac8 37.Kf2+–; worse 36...Rcc8 37.Re4 Nf3 38.Kg2+–) 37.Kf1 Ne1 38.Bb7 Nc2=+) 35...Nc3 36.Rd3 Nd5 37.Rda3 Rf7 (37...Re7 38.Ne4 Kg6 39.Nd6+–) 38.f4 (38.Ne4 Ke7+–) 38...Rf8 39.Bg2 h6 40.h4 Rd8 41.Rb3 Ra7 42.Ra4 Ke7 43.Kf2 g5 44.hg5 hg5 45.fg5 Rg8 46.Ne4 Rf8 47.Bf3 b6 48.Nf6 Ra5 (48...Bd7 49.a6+–) 49.Ra5 ba5 50.Ra3 Nf6 51.gf6 Rf6 52.Ra5 Rf5 (52...Kd6 53.g4+–) 53.Rf5+– ef5 54.Bc6 Kd6 55.Bf3 Be6 (55...Ba6 56.Ke3+–) 56.Ke3 Bd7 (56...Bc8 57.Kf4+–) 57.Kf4 Ke6 (better 57...Bc8+–) 58.Bb7 Ba4 59.d5 Kf6 60.Bc8 Bc2 61.d6 Bd3 62.Bd7 1–0. Mehlhorn,Uwe – Zmolil,Josef, corr or03–027, 2005.

8.Bc4 a5 9.b5 =.

8.Bc4 a5 9.Nc3 =.

8.Bc4 b5 9.Bd3 0-0 10.0-0 a5 11.ba5 Qa5 12.e4 Be7 13.Qc2 Bb7 14.e5 Nd5 15.Bh7 Kh8 16.Be4 c5 (16...N7b6 17.Bd5 Nd5 18.Nc3+=) 17.dc5 (better is 17.Nc3!?+/–) 17...Nc5= (17...Bc5? 18.Nc3 Be7 19.Nd5 ed5 20.Bf5+–) 18.Nc3 Ne4 19.Ne4 Rfc8 20.Qe2 Qa4 21.Nd4 Attacks the isolani on b5 21...Nf4 22.Qe3 Be4 23.Qe4 Nd5 24.Qf3 Kg8 25.Rfe1 Rc4 26.Qd1 ½–½. Sturc,Gustav (2040) – Malinovsky,Jozef (1830), Stiavnica's Chess Festival – OPEN B, 2012.

8.Bc4 Qc7 9.Nbd2 0-0 10.0-0=.

8.Bc4 Qc7 9.Nbd2 a5 10.b5+= 0-0 11.0-0 (11.Rc1 Rd8+=) 11...h6 (11...Nb6 12.bc6 bc6 13.Qc2+=) 12.h3 (12.Rc1 Rd8+=) 12...Re8 (12...Qb6 13.Qa4+=) 13.Rc1 e5 (13...Qb6 14.Qa4+=) 14.Qb3 Re7 15.Nh4 (15.de5 Ne5 16.b6+=) 15...Nb6? Black prepares the advance a4 (better is 15...ed4!? 16.Ng6 Nc5 17.Ne7 Qe7+/–) 16.Ng6+– a4 17.Ne7 Qe7 18.Qa2 ed4 19.ed4 (19.Bd4 Nc4 20.Nc4 Be6+/–) 19...Nc4 20.Nc4 (better is 20.Qc4 cb5 21.Qb5 Ba3 22.Ba3 Qa3 23.Rc4+/–) 20...cb5? (better is 20...Be6 21.Qa1 Bf4 22.bc6 Bc1 23.cb7 Qb7 24.Rc1 Rb8=) 21.Nb6+– (21.Nd6?! Qd6 22.Bc3 Nd5+/–) 21...Be6 22.d5 (22.d5 Nd5 23.Na8+–) 1–0. Filzmaier,Bruno (1900) – Rubinstein,Mark (1985), TCh–FIN SM, 2012. (=1.a3 d5 2.e3 Nf6 3.d4 e6 4.Nf3 Bd6 5.b4 Nbd7 6.c4 c6 7.Bb2)

8.Bc4 Qc7 9.Nbd2 e5 10.de5 (10.Ng5!? 0-0 11.Qb3+–) 10...Be5 (10...Ne5 11.Qc2=) 11.Ne5+= Ne5 12.0-0 Neg4 (better 12...0-0!?+=) 13.Nf3+– 0-0 (13...Be6 14.Be6 fe6 15.h3+–) 14.h3 (14.Qc2 Re8 15.h3 Ne5 16.Ne5 Re5 17.Be5 Qe5+–) 14...Nh6 15.Bf6 gf6 16.Qd4 Qd8 (better 16...Kg7+–) 17.Qd8 (better 17.Qf4 Kg7 18.Nd4+–) 17...Rd8+= 18.Rfd1 Be6 19.Be2 Kf8 (19...Nf5 20.g4 Nd6 21.Nd4+=) 20.Kf1 (20.Rd8 Rd8 21.g4 f5+–) 20...Ke7 (20...Nf5 21.g4 Nd6 22.Nd4+=) 21.Ke1 (21.Rd8 Kd8 22.g4 Kc7+–) 21...Bf5 (21...Rd1!? 22.Rd1 Nf5=) 22.Nd4+= Rd6 (22...a5 23.g4 Be4 24.f3+–) 23.Nf5 (23.g4 Bd7+–) 23...Nf5+= 24.Bd3 Nh4 25.g3 Ng6 26.Ke2 Rad8 27.Bc2 Rd1 28.Rd1 Rd1 29.Bd1 Ne5 30.Bb3 b6 31.f4 Nd7 32.Kd3 (32.g4 a5+–) 32...c5 (32...f5 33.Kc4+=) 33.e4 (33.g4 cb4 34.ab4 a6+–) 33...cb4+= 34.ab4 a5 (34...a6 35.Kc4+=) 35.ba5+– Nc5? (better 35...ba5 36.Kc4 f5 37.ef5 Nf6+=) 36.Kc4+– Nb3?? (36...Kd6 37.ab6 Kc6+–) 37.Kb3 (better 37.a6 Nd2 38.Kd3+–) 37...ba5= 38.Ka4 Kd6 39.Ka5?? (better 39.Kb5=) 39...Kc5–+ 40.Ka6?? (better 40.f5 Kd4 41.Kb5 Ke4 42.Kc5 Kf5 43.Kd5–+) 40...Kd4 41.e5 fe5 42.fe5 Ke5 43.Kb7 (43.Kb5 Ke4 44.g4 Kf4–+) 43...Ke4 44.Kc7 (44.g4 Kf4 45.Kc6 Kg3–+) 44...Kf3 45.g4 Kg3 46.Kd7 Kh3 47.g5 Kg4 48.Ke7 Kg5 49.Kf7 h5 (49...h5 50.Ke8 h4 51.Kd7 h3 52.Kc7 h2 53.Kb6 Kg6 54.Kc7 Kh6 55.Kc6 h1Q 56.Kd7 Qd1 57.Kc6 Qe1 58.Kd5 Qh1 59.Kd6 Qc1 60.Kd5 Kh7 61.Ke4 Kg6 62.Kd5 Kf6 63.Kd4 Qg1 64.Kc3 Qf1 65.Kb4 Qe2 66.Kc5 Qe3 67.Kc4 Kf7 68.Kb5 Qe7 69.Kc6 Qf6 70.Kc5 Qc3 71.Kd5 Qd3 72.Kc6 Ke6 73.Kc5 Kd7 74.Kb6 Kd6 75.Kb7 Qb3 76.Ka6 Kc6 77.Ka5 Qb5) 0–1. Ficek,Szymon – Namyslak,Piotr, MMJ OP+SL – C11, 2013.

8.Bc4 Qe7 9.Qb3 (9.Nc3!?+=) 9...0-0= 10.Ne5 (10.0-0 e5=) 10...Nb6 (10...a5!?+=) 11.Bd3= Be5 (11...Nfd5!?=) 12.de5+/– Nfd5 13.0-0 Bd7 (13...a5 14.ba5 Nd7 15.Qc2+/–) 14.Nd2 (14.Bd4 Rfd8 15.Nd2 Be8+/–) 14...Rad8 (14...c5 15.bc5 Ba4 16.Bh7 Kh8 17.Qd3+/–) 15.Ne4 (15.Bd4 Qh4+–) 15...Qh4 (15...Be8 16.Rad1+–) 16.Bd4 Nc8 17.f4 f5? (17...Nce7 18.Nd6 Nf5 19.Bf5 ef5 20.Nb7+–) 18.Nd2 (better is 18.ef6 Nf6 19.Nc5+–) 18...Kh8 19.Rf3 b6 20.Rh3 Qe7 21.Rc1 g5 (21...Kg8 22.Rg3+/–) 22.g4 (22.fg5!? Qg5 23.Rf1 Rg8+–) 22...gf4 23.gf5 Rg8 (better is 23...fe3!? 24.f6 ed2+–) 24.Kh1+– Qg5 (24...fe3?? 25.f6 Qf7 26.Be3+–) 25.Be4 Ne3?? (25...Be8 26.ef4 Nf4+–) 26.fe6 (26.Be3?! fe3 27.f6 h6 28.Qe3 Qe3 29.Re3 Be8+–) 26...h6 (26...Rg7 27.ed7 Rdd7+–) 27.ed7 (27.Be3?! fe3 28.Rg3 ed2+–) 27...Rd7 28.e6 (better is 28.Qe6 Rh7 29.Qf6 Qg7 30.e6+–) 28...Rd4+/– 29.Qc3 (29.Qb2 Qg7 30.Nf3 Nd6+– (30...Re4?? 31.Rh6)) 29...Nf5 (29...c5!? 30.Bf3 Ne7+=) 30.Nb3+/– (30.Bc6? f3 31.Bf3 Qd2 32.Qd2 Rd2–+) 30...c5 (30...Ncd6 A) worse is 31.Nd4 Ne4 32.Nf5 Kh7+/– (32...Nc3? 33.Rh6 Qh6 34.Nh6+–); B) 31.Bc6 f3 32.Bf3+=) 31.bc5 (31.Nd4 cd4 32.Qf3 Ncd6+–) 31...bc5 32.Nd4 cd4 33.Qc5 Ncd6 34.Qe5 Rg7 35.Rf1?? Attacking the isolated pawn on f4 (better is 35.Rb1 Ne4 36.Qe4+/–) 35...Ng3!–+ 36.hg3 (36.Rg3 Qe5 37.Rg7 Kg7–+) 36...Qe5 37.Bb1 Qe6 0–1. Mahanoglu,Mehmet Ali – Kara,Can, 2nd International Golden Apricot Chess, 2014. (=1.Nf3 d5 2.b4 Nd7 3.Bb2 c6 4.e3 Ngf6 5.c4 e6 6.a3 Bd6 7.d4 dc4)

8.Qc2 0-0 9.Be2 Qe7 10.0-0 Ne4 11.Nc3 Ndf6 12.d3 Nc3 13.Qc3 Bg4 14.h3 Bh5 15.Nd4 Be5?? (better 15...Qe5 16.g3 Be2 17.Ne2 Qh5=+) 16.Bh5+/- Nh5?? (better 16...Bd4 17.Bf7! Rf7 18.Qd4 a6+/-) 17.f4 (better 17.Nf5 Bc3 18.Ne7 Kh8 19.Bc3+-) 17...Bf6= 18.g4?? (better 18.Qd2 g6 19.Rae1=) 18...Qe3-+ 19.Rf2 Nf4 20.Nf5 (20.Qd2 Bd4 21.Bd4 Qd4 22.Qf4 Qa1 23.Kg2 Qa3 24.Qd4-+) 20...Nh3 21.Kg2 Qf2 22.Kh3 Bc3 23.Bc3 Qf3 24.Kh4 f6 25.Ne7 Kh8 26.g5 (26.Bd2 g5 27.Bg5 fg5 28.Kh5 Rg8 29.Ng8 Rg8 30.Re1 Qh3) 26...fg5 27.Kg5 Qg3 (27...h6 28.Kh4 Rf4) 28.Kh5 Rf4 29.Rh1 (29.Bg7 Kg7 30.Nc6 Rh4) 29...Qf3 (29...Qg4) 30.Kg5 Qh1 (30...Qg4) 31.Kf4-+ Qc1 32.Ke5 Qc3 (32...Qe3 33.Kf5 Rf8 34.Kg4 Qf3 35.Kh4 Rf4 36.Kg5 Qg4) 33.Kd6 (33.Ke6 Rd8 34.Kf5 Qd3 35.Kg4 Rf8 36.Kh4 Rf4 37.Kg5 Qg3 38.Kh5 Rh4) 33...Qf6 34.Kd7 h5 35.d4 (35.b5 cb5 36.a4 Rf8 37.Ng6 Qg6 38.ab5 Rf7 39.Ke8 Qe6 40.Kd8 Qd7) 35...h4 (35...Qf7 36.a4 Re8 37.Kc7 Qe7) 36.b5 h3 37.bc6 bc6 38.a4 (38.Nf5 Qf5 39.Kc6 Qe6 40.Kb5 Rb8 41.Kc5 Rb6 42.a4 Qd6) 38...h2 39.a5 (39.Nf5 h1Q 40.Nd6 Qh2 41.Nf7 Qf7 42.Kc6 Rb8 43.Kc5 Qhc7) 39...h1Q 40.a6 (40.Ng6 Qg6 41.Kc7 Qh3 42.Kb7 Qc8) 40...Qh3 41.Kc7 Qe7 42.Kc6 Qhe6 (42...Qhd7) 43.Kb5 Q7d7 (43...Qb6 44.Ka4 Qbb4) 44.Kb4 Qb6 (44...Qe3 45.Kc5 Qc3) 45.Kc3 Rc8 (45...Qg4 46.Kd2 Qb2 47.Kd3 Qgd4) 46.Kd3 (46.Kd2 Qe7 47.Kd3 Qa6 48.Kd2 Qae2) 46...Qb3 (46...Qe7 47.Kd2 Qd4) 47.Ke2 (47.Kd2 Rc2 48.Ke1 Qb1) 47...Qe6 (47...Rc2 48.Kf1 Qb1) 48.Kf2 (48.Kf1 Rc2 49.Kg1 Qb1) 48…Qee3 (48...Qee3 49.Kf1 Qd2 50.Kg1 Rc1; 48...Rc2 49.Kg1 Qb1) 0-1. carlos78 (2200) - Freiheit (2130), Rated Blitz game, lichess.org, 2015.

8.Nc3 0-0 9.Be2 Re8 10.0-0 Ne5 11.d3 Bd7 12.Qc2 Qc7 13.g3 Bh3 14.Rfe1 Bg4 15.Ne5 Be2 (15...Be5 16.Bg4 Ng4 17.Rac1=) 16.Qe2 (16.Nf7!? Qf7 17.Re2+=) 16...Be5+= 17.Rab1 d4 18.Ne4 Ne4 19.de4 de3 20.Be5? (20.Qe3 Bb2 21.Rb2 Qe5=) 20...Qe5 (better is 20...ef2 21.Qf2 Re5-/+) 21.Qe3= Rad8 (21...a6 22.Rbd1=) 22.f3 (22.Qa7 Qe7+/–) 22...Rd7 23.Rbd1 Red8 (23...Rd1 24.Rd1 a5 25.Rd7=) 24.Rd7+= Rd7 25.f4 Qd4 26.Qd4 Rd4 27.Re3 Kf8 28.h4 Ke7 29.Kf2 Kd6 30.Kf3 c5 31.bc5 Kc5 32.Rc3 Kb6 33.Ke3 Ra4 34.e5 Ra5 35.Rd3 Kc6 36.Ke4 b5 37.Rb3 Ra4= 38.Ke3 a6 39.g4 Kd5 40.Rd3 Kc4?? 41.Ke4?? Kc5= 42.Ke3 Kc6 43.Rc3 Kb6 44.Rd3 Kc7 45.Rc3 Kb7 46.Rd3 h6 47.Rd7+/– Kb6 48.Rf7+– Ra3 49.Ke4 b4 50.Rg7 b3 51.Rg6 Ka5 52.Kd3 b2 53.Kc2 Ra2? 54.Kb1 Ra1 55.Kb2 Rf1 56.f5 Re1 57.e6 Re2 58.Kc3 Kb5 59.Rh6 a5 60.Rh8 a4 61.Ra8 Re3 62.Kb2 Re2 63.Kc3 Re3 64.Kd4 Rg3 65.g5 Rg4 66.Ke5 Rh4 67.f6 (67.f6 Rh2 68.f7 Re2 69.Kf6+–) 1–0. Fournier,Frederic – Gi69, Active (1+1), 2011.

9.0-0 a5 10.b5 c5 11.Nc3 Qe7 12.Qb3 Nb6 13.a4 Bf5 14.g3 h5 15.Nh4 Bh7 16.Qd1 Rfe8 17.Bh5 Nc4 18.Bc1 d4 19.Nb1? (19.Be2 A) 19...dc3?! 20.Bc4 Rad8 21.Ra3+= (worse is 21.dc3 Bg3 22.hg3 Rd1 23.Rd1 Ne4-/+); B) 19...Ne5 20.Nb1 d3-/+) 19...Rad8 (19...de3!? 20.de3 g5 21.Be2–+) 20.Be2 d3 21.Bf3 g5 22.Ng2 Ne5 Black intends g4 23.Ne1 g4 (23...Nf3!? 24.Nf3 g4=) 24.Bg2= Kg7 25.f4 gf3 26.Nf3 Rg8 (26...Nf3!? 27.Bf3 Be5+=) 27.Bb2+/– Kf8 28.Ne5 Be5 29.Be5 Qe5 30.Nc3 Ng4 31.Qf3 Rd7 32.Qf4 Qf4 33.Rf4 (33.gf4?! f5 34.h3 Nf6+/–) 33...Ne5 34.Bh3 (better is 34.Nd5!? Rh8 35.Rc1+–) 34...Rd8 35.Raf1 Ke7? (35...Rd6 36.Bg2 b6 37.Nd5+/–) 36.Bf5 (36.Bg2!? Rb8 37.Nd5 Kf8+–) 36...Bf5 (better is 36...Rh8!?+/–) 37.Rf5+– Rg7?? (37...f6+–) 38.Re5 Kd6 39.Rd5 Kc7 40.Rd8 Kd8 1–0. Burke,Stephen J (1820) – Spencer,Carl J (1880), BCF–chT4, 2004. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 Bd6 5.e3 Nbd7 6.c4 c6 7.cd5 ed5)

9.0-0 Nb6 10.Bd4 =.

9.0-0 Qe7 10.Nc3 Ne5 11.Ne5 Qe5 12.f4 Qe7 13.Na4 Bf5 14.Rc1 Rfe8 15.Nc5 b6 16.Nb3 c5 17.bc5 bc5 18.Bf6 Qf6 19.Nc5 d4 20.Bf3 Rad8 21.e4 Bc5 22.ef5 d3 23.Kh1 Qf5 24.Bg4 Qd5 25.Bf3 Qd4 26.Qb3 Bb6 27.Rc4 Qf2 28.Rcc1 Qd2 29.Rcd1 Qe3 30.Bd5 Rd5 31.Qd5 Rd8 32.Qb3 d2 33.Qe3 Be3 34.g3 Rc8 35.Kg2 Rc3 36.a4 Ra3 37.Ra1 Rc3 38.Rfd1 g5 39.fg5 Bg5 40.Rab1 Kg7 41.Kf1 Ra3 42.Rb4 Rf3 43.Ke2 Re3 44.Kf2 Ra3 45.Rg4 h6 46.h4 f5 47.Rc4 Be3 48.Ke2 Kf6 49.Rc6 Ke5 50.Rc7 f4 51.Re7 Kf5 52.Re3 Time forfeit 1-0. carlos78 (2190) - omeafl (2200), Rated Blitz game, lichess.org, 2015.

10.Qc2 Qe7 11.Nc3 Ne5 12.Ne5 Be5 13.f4 Bd6 14.Nd1 a5 15.b5 c5 16.Bf3 Ne4 17.Nf2 f5 18.Ne4 fe4 19.Bh5 Rf8 20.Qc3 b6 21.Rae1 Bf5 22.Kh1 Rad8 23.g4 Bg6 24.Bg6 hg6 25.g5 Bb8 Black intends d4 26.Rg1 Rd7 27.Rg3 Qe6 28.Reg1 d4 29.Qc2 Bf4 (29...Rfd8!?-/+) 30.ef4=+ Rf4 31.Qb3? (better 31.R3g2!?=) 31...c4-/+ 32.Qd1 Qd5 33.R3g2 Rdf7 34.Qa1 e3 35.de3 de3 36.Qd1 Qd1 37.Rd1 Rf1 38.Rg1 (better 38.Rf1!? Rf1 39.Rg1=) 38...e2-/+ 39.Rd8?? (better 39.Ra1-/+) 39...Kh7-+ 40.Re8 Rg1 41.Kg1 Rf1 42.Kg2 e1Q 43.Re1 Re1 44.Bd4 (44.Kf2 Rb1 45.Bd4 Rb5-+) 44...Rd1 45.Bb6 (45.Be5 Rd5 46.Ba1 Rg5 47.Kf2 Rb5-+) 45...c3 46.Be3 c2 47.b6 (47.Kf2 c1Q 48.Bc1 Rc1-+) 47...Rb1 48.Kf3 Rb3 49.b7 Rb7 (49...c1Q 50.Ke4 Re3 51.Kd4 Qc3 52.Kd5 Rd3 53.Ke6 Qe1 54.Kf7 Rf3) 50.Ke2 Re7 51.Kd2 Re3! 52.Kc2 (52.Ke3 c1Q Double attack) 52...Re2 53.Kb3 Rh2 54.Ka4 Rh5 55.Ka5 Rg5 56.Kb4 Kg8 57.a4 (57.Kc4 Ra5 58.Kd3 Rb5-+) 57...Kf7 (57...Rg4 58.Kb5 Ra4 59.Ka4-+) 58.a5 (58.Kc3 Ke8-+) 58...Rg1 (58...Ra5 59.Ka5 g5 60.Kb4 g4 61.Kc4 g3 62.Kd4 g2 63.Kc5 g5 64.Kd4 g1Q 65.Kd3 g4 66.Ke4 g3 67.Kf3 g2 68.Ke4 Qc5 69.Kf3 g1Q 70.Kf4 Qge3 71.Kg4 Qcg5) 59.a6 Ra1 60.Kb5 Ke6 61.Kb6 Kd6 62.Kb7 Rb1 63.Ka8 (63.Kc8 g5 64.a7 Ra1 65.Kb8 g4 66.a8N g3 67.Nc7 g2 68.Kb7 g1Q 69.Na6 Ra6 70.Ka6 Kc6 71.Ka5 Qd4 72.Ka6 Qb6) 63...Kc6 64.a7 (64.Ka7 Rb6 65.Ka8 Ra6 66.Kb8 g5 67.Kc8 Ra8) 64...Re1 65.Kb8 Re8 0-1. carlos78 (2190) - OccasionalBlunder (2215), Rated Blitz game, lichess.org, 2015.

10.Nc3 a6 11.Rc1 Nf8 12.Na4 Bg4 13.Nc5 Qe7 (13...Rb8!?=) 14.Bf6+/– gf6 15.Nd4 Be2 (15...Be6 16.Bh5+/–) 16.Qe2 Bc5 17.bc5 (17.Qg4 Ng6 18.bc5 Kh8+/–) 17...Qe4 18.f4 (18.Qd1 Ne6+/–) 18...Ne6 19.Qg4 White plans f5 (19.Ne6 fe6 20.d3 Qf5+/–) 19...Qg6+= 20.Nf5 Qg4 21.Nh6 Kg7 22.Ng4 d4 (22...f5 23.Ne5+=) 23.f5 Nc7 24.Rb1 (24.Rfe1 de3 25.Ne3 Rad8+=) 24...h5= 25.Rb7 (25.Nf2 de3 26.de3 Re3 27.Rb7 Nd5=) 25...Nd5 (worse is 25...hg4 26.Rc7 de3 27.de3 Re3 28.Rf4+– (28.Rc6?! Ra3 29.Rf4 g3 30.Rg4 Kf8 31.hg3 Ra1 32.Kh2 Re8+–)) 26.Nf2 de3 27.de3 Re3 28.Ra1 Rae8 29.h3 Re1 30.Re1 Re1 31.Kh2 Re3 32.a4 Ra3 33.Ne4 Ra4 34.Nd6 Ra5 35.Nf7 (35.Rf7 Kg8=) 35...Rc5 (35...Kg8 36.Nh6 Kf8 37.Rf7 Ke8 38.Ra7=) 36.Ng5 ½–½. Valente,Hector Manuel (1785) – Avila,Lucas (2200), Club Argentino de Ajedrez – Torneo Abie, 2013.

10.Nc3 Qe7 11.Qc2 =.

10.Nc3 Nf8 11.Rc1 Ng6 12.d3 Bd7 13.Qb3 Ng4 14.g3 N4e5 15.Ne5 Ne5 16.d4 Ng4 17.Bf3 (17.Na4 Rb8=) 17...Qf6 18.Bg2? (better is 18.Qd1 Qg6 19.b5+=) 18...Qh6–+ 19.h3 Ne3! 20.fe3 Qe3 21.Rf2 Qg3?? (better is 21...Bg3 22.Qc2 Bh3 (22...Qf2?! 23.Qf2 Bf2 24.Kf2-/+) 23.Bh3 Bf2 24.Qf2 Qh3–+) 22.Rf3+= Re1 23.Re1 Qe1 24.Bf1 Qd2 25.Ne2 Qg5 26.Ng3 Re8+= 27.Qc3 Bf4 28.Bg2 Re3 29.Re3 Be3 30.Kh2 Bf4 31.Qf3 h5 32.Bc3 h4 33.Be1 hg3 34.Bg3 Qg3 35.Qg3 Bg3 36.Kg3 Bf5 37.Kf4 g6 38.h4 f6 39.Bf3 Kg7 40.Be2 Bd7 41.Bf3 Kf7 42.Be2 Kg7 43.Bd1?? Kh6–+ 44.Be2 g5 45.hg5 fg5 46.Kg3 Kg6 47.Bf3 Bf5 48.Be2 Kf6 49.a4 Ke7 50.a5 Kd6 51.Bg4 Bd3 52.Bd1 b6 53.ab6 ab6 54.Kg4 c5 55.bc5 bc5 56.dc5 Kc5 57.Kg5 Kd4 58.Kf4 Kc3 59.Bf3 d4 60.Bd1 Bg6 61.Be2 Bf7 62.Bg4 d3 63.Ke3 d2 64.Bf3 Be6 65.Bh5 Bf5 66.Bf3 Kc2 67.Kd4 Bg6 68.Bg4 Bf7 69.Bf3 Bb3 70.Bh5 Bf7 71.Bg4?? Bb3 72.Bh5 Kc1 73.Kc3 Bd1 74.Be8 Bf3 75.Ba4 Be4 76.Bb3 Bf3 77.Ba4 Bc6!! 78.Bb3 78...Bb5 79.Bc2 ½–½. Rancic,Danijela – Ristic,Eleonora (2110), YUG–chT, 1988.

10.Re1 Nf8 11.Nc3 Bf5 12.d4 Ne4 13.Ne4 Be4 (worse 13...Re4 14.Bd3+=) 14.Nd2 Bb8 (14...Bf5 15.Rc1=+) 15.Ne4= Re4 16.Bf3 Re8 17.g3 Qc7 (17...Ne6 18.Bg2=) 18.Bg2 Ne6 19.Qf3 Ng5 20.Qf4 Qf4 21.gf4 Ne4 22.Be4 Re4 23.Kh1 Bd6 24.Rg1 Rae8 25.Rg4 (25.b5 Kf8=) 25...Kh8 26.Rag1 Bf8 27.h4 h5 28.Rg5 R8e7 (better 28...g6=+) 29.Rh5+– Kg8 30.Re5 R4e5 (30...R7e5 31.de5 Rc4 32.Rg2+=) 31.fe5+– Kh7 32.f4 f6? (32...Re6!?+=) 33.Kh2 (33.f5 b6+–) 33...Kg8 (33...g6 34.Kg3+– (34.ef6?! Re3 35.Bc1 Re4=)) 34.Kh3 Kf7 35.Kg4 Ke6 (35...g6 36.f5+–) 36.Kf3 (better 36.f5!? Kf7+–) 36...Kf5 37.Re1 (37.h5 Re6+–) 37...Re6 (37...g6 38.e4 de4 39.Re4+–) 38.h5 (38.e4 de4 39.Re4 g6+–) 38...b6 (38...fe5!? 39.fe5 Kg5+–) 39.e4+– de4 40.Re4 a5 41.Bc3 ab4 42.ab4 (42.Bb4 c5 43.dc5 Bc5 44.Bc5 bc5+–) 42...g6 (42...fe5!? 43.Re5 Re5 44.fe5 Kg5+–) 43.hg6+– Kg6 44.Re3 f5 (44...b5 45.Re1+–) 45.Rd3 Kf7 46.d5 (46.b5 cb5 47.Bd2 Rh6+–) 46...cd5 47.Rd5 Ke7 48.Ke3 Rh6 49.Kd4 Rc6? (better 49...Rg6+–) 50.b5 Rc7 51.Bb4 Kf7 52.Bf8 Kf8 53.Rd6 Rb7 (53...Ra7 54.e6 (worse 54.Rb6 Ra4 55.Kc5 Rf4+–) 54...Ke7 55.Ke5+–) 54.Rf6 Ke7 55.Rf5 Rd7 56.Ke4 Rd1 57.Rh5 (57.Rf6!? Re1 58.Kf5 Rf1+–) 57...Re1 (57...Rb1 58.Rh7 Kd8 59.Kd5 Rd1 60.Kc6+–) 58.Kf5 Rb1 59.Rh7 Ke8 (59...Kd8 60.Kf6 Rb5 61.e6+–) 60.Ke6 Rb5 (60...Kd8+–) 61.Rh8 1–0. Fournier,Frederic (1975) – hatemry (1965), Active, 2005.

8.0-0 b6 9.Nd4 Qc7 10.f4 c5 (10...dc4!? 11.Bc4 a5=) 11.Nb5+= Qb8 12.Nd6 Qd6 13.b5 (13.cd5!? ed5 14.Nc3+=) 13...d4= 14.Bf3 Rb8 15.Bc6 Bb7 16.Bb7 Rb7 17.Qf3 Rc7 18.e4 e5 19.f5 h6 20.d3 Nh7 21.h4 (21.a4 a6+=) 21...a6 22.a4 Ra8 23.Nd2 Rca7 24.Nb3 ab5 25.ab5 Ra2 26.Ra2 Ra2 27.Bc1 Kf8 (27...Qe7!? 28.Rf2 Ra4=) 28.g4+= Ke8 (28...Qe7 29.Qg3=) 29.g5+/– Kd8 (29...hg5 30.hg5 Kf8 31.Qg4+=) 30.Qh5 Qf8 31.Rf2 (31.gh6?! Ndf6 32.Qf3 gh6=) 31...Rf2 32.Kf2 Ke7 33.gh6 Ndf6 34.hg7 Qg7 35.Bg5 (35.Qf3 Ng4 36.Ke1 Kd6+/–) 35...Ke8 (35...Kd7!? 36.Bf6 Nf6+=) 36.Bf6+/– Nf6 37.Qg5 Qg5 38.hg5 Nh7? (better is 38...Nh5 39.Ke2 Ke7+/–) 39.g6+– fg6 (39...Nf6 40.Kg3 Kf8+–) 40.fg6 Nf6 41.Kg3 Kf8 42.Kh4 Kg7 (42...Ke7+–) 43.Kg5 Nd7 (43...Ne8 44.Kf5+–) 44.Kf5 Nf8 (44...Kh6 45.Nc5! bc5 46.Ke6 Nf8 47.Ke5 Ng6 48.Kd6+–) 45.Ke5 Ng6 46.Kd6 Nf4 (46...Kf7 47.Nc5! Nf4 48.Kc7 bc5 49.b6+–) 47.Nc1 Kf7 (47...Kf6 48.Kc6 Ke7 49.Kb6+–) 48.Kc6 Ke7 (48...Ne6 49.Kb6 Kf8 50.Nb3+–) 49.Kb6 Ne6 (49...Kd6 50.Ka7 Ne6+–) 50.Nb3 (50.Nb3 Ng5 51.Nc5+–) 1–0. Nikolic,Jovane – Jacob,Felipe Fernandes L, ATC IVIRT, 2009.

8.0-0 dc4 9.Bc4 a5 10.b5 =.

8.0-0 dc4 9.Bc4 b5 10.Bd3 =.

8.0-0 Qc7 9.Nc3 (9.c5 Be7+=) 9...Ne5 (better 9...dc4 10.Bc4 Ne5 11.Ne5 Be5=) 10.g3?? (10.Ne5 Be5 11.f4 Bd6+=) 10...dc4 (better 10...Nc4!? 11.Bc4 dc4-/+) 11.Ne5=+ Be5 12.Bc4 Nd7 (12...b5 13.d4 bc4 14.de5 Qe5 15.Qe2=) 13.f4 Bf6 14.g4 (14.d4 Qb6=) 14...g6 (14...Nb6!? 15.Be2 Rd8=) 15.d4+= Nb6 16.Bd3 Nd5 17.Qf3 White plans f5 17...Rd8 18.Ne4 Bg7 19.Ng3 White prepares the advance f5 (19.g5 a5+=) 19...Qe7 (19...f5 20.Rae1=) 20.Rae1 Qd6 (20...a5 21.e4 ab4 22.ed5 ba3 23.Ba1 Rd5 24.f5 Bd4 25.Bd4 Rd4 26.fg6 fg6 27.Ne4=+) 21.f5 (21.e4 Ne7 22.e5 Qd5+=) 21...Nf6 (21...gf5 22.gf5 e5+/-) 22.fg6+/- fg6 23.g5 Nd5 24.Bg6?? (better 24.Ne4 Qf8 25.Nf6 Kh8 26.e4 Nf6 27.gf6+/-) 24...Ne3?? (better 24...hg6 25.Ne4 Qf8-+) 25.Bh7! (25.Re3?! hg6 26.Ne4 Qe7 27.Nf6 Bf6 28.Qf6 Qf6 29.gf6 Rd5+/-; 25.Qe3?! hg6 26.Ne2 a5=) 25...Kh8?? (25...Kh7 Decoy to h7 26.g6) 26.Qh5+- (26.Re3 Kh7 27.Ne4 Qd5 28.Qh5 Bh6 29.Qh6 Kg8 30.Qg6 Kh8 31.Rh3; 26.Qe3?! Kh7 27.Rf7 Kg8+-) 26...Nf1 (26...Ng4 27.Be4 Nh6+-) 27.Bg6 Kg8 28.Qh7 Kf8 29.Rf1 (29.Rf1 Qf4 30.Rf4 Ke7 31.Qg7 Kd6 32.Qe5 Kd7 33.Rf7 Ke8 34.Qh8; 29.Nf1 Qf4 (29...Bd4 30.Bd4 Qd4 31.Ne3 Qe3 32.Re3 Rd1 33.Kf2 Rf1 34.Kf1 e5 35.Qf7) 30.Ng3 Rd4=) 1-0. Vandenburg,V - Turner,P, Lansing MI Apr mini, 1990.

8.0-0 e5 9.c5 Bc7 10.d4 Ng4 11.h3 (11.Nfd2!? Nh6 12.e4 de4 13.Ne4=) 11...e4=+ 12.hg4 ef3 13.Bf3 (13.gf3 Qh4 14.f4 Nf6-/+) 13...Qg5-/+ 14.g3 (14.Nd2 Nf6-/+) 14...Nf6 15.Kg2 Bg4 16.Nd2 (16.Nc3 Rfe8-/+) 16...Rfe8 17.Bg4 Ng4 (17...Qg4?! 18.Qg4 Ng4 19.Rh1=) 18.Nf3?? (better 18.Qe1-/+) 18...Ne3–+ 19.fe3 (19.Kg1 Qg4 20.Qe1–+) 19...Qg3 20.Kh1 Re6 (20...Re6 21.Qc2 Rh6 22.Nh4 Rh4 23.Qh2 Qh2) 0–1. Upstairs – Janek, internet, 2018.

8.0-0 e5 9.d3= Bc7 10.Nc3 dc4 11.dc4 Qe7 12.Qc2 c5 (12...e4 13.Nd2 Re8 14.Rfd1=) 13.Rfd1 (13.Ng5 Nb6+=) 13...e4= 14.Ne1 (14.Nd2 Re8=) 14...Qe5 The mate threat is Qxh2 15.g3 Qe6 (15...Qe7 16.Nd5 Nd5 17.Rd5=) 16.Nd5 Nd5 17.cd5 Qe7 18.bc5 (better is 18.Bb5!?+/–) 18...Nc5= 19.Rd2 Bd7 (19...Bd6 20.Bd4=) 20.Rc1 (better is 20.d6!? Bd6 21.Rad1+=) 20...Bd6+= 21.Rd4 (21.Qb1 Nb3 22.Bf6 Qf6 (worse is 22...Nd2 23.Be7 Nb1 24.Bd6 Na3 25.Ba3+=) 23.Qb3 b5+=) 21...b5 22.a4 Rfc8 23.Qb1 (23.Bb5!? Nd3 24.Bd3 Rc2 25.Bc2-/+) 23...ba4-/+ 24.Ba3 Rab8 25.Qa2 (better is 25.Rb4!?-/+) 25...Nb3–+ 26.Rc8 Rc8 (26...Bc8?! 27.Bd6 Qd6 28.Re4=) 27.Bd6 Qd6 28.Rd1 Rc5 (28...Rc1 29.Nc2–+) 29.Qb1 (29.Qa3 a6-/+) 29...f5 (29...Bf5!? 30.g4 Bg6 31.h4–+) 30.Ng2 (better is 30.f3 Qb6 31.Kf2-/+) 30...Rd5?? (better is 30...Bb5 31.Bb5 Rb5-/+) 31.Bc4+– Be6 32.Bd5 Bd5 33.Nf4 (33.Nf4 Qc6 34.Nd5+–) 1–0. Schmidbauer,Josef – Dick,A, Niederbayern–chB, 2000.

8.0-0 e5 9.d3= Qe7 10.Qb3 Re8 11.Nbd2 Nf8 12.Rfd1 Ng6 13.Nf1 h6 14.Ng3 Be6 15.Rac1 Nh7 16.Qc3 Increases the pressure on e5 16...Ng5 17.Nd2 f5 (17...d4 18.Qc2 c5 19.Bh5=) 18.Bh5 Kh7 19.Re1 Rf8 Black prepares the advance f4 20.Bg6 Kg6 21.h4 (better is 21.Ne2 a5 22.c5+=) 21...f4?? (better is 21...Nf7+=) 22.ef4+– ef4 (22...d4 23.Qc2 Nh3 24.gh3 Rf4 25.Nde4+–) 23.Ngf1 (23.Ne2 Nh3 24.gh3 Qf7+–) 23...f3? (better is 23...Nf7 24.Qg7 Kh5+–) 24.hg5 fg2 25.Re6! Qe6 Theme: Deflection from g7 26.Qg7 The passed pawn on f2 will quickly become a dangerous weapon 26...Kh5 27.Ne3 Bg3 28.Bf6 Rh8 29.Kg2 Rag8 30.Rh1 Bh4 31.Qe7 Qe7 32.Be7 Rh7 33.Rh4 Kh4 34.g6?? Kh5= 35.Bc5 Rg6 36.Kf1 b6 37.cd5 bc5+= 38.bc5 cd5 39.Nd5 Rf7 40.Ne4 Ra6-/+ 41.Nd6 Rf8 42.Nc4 Rc6 43.d4 Rd8 44.Nf4 Kg5 45.Ne2?? Kf5 46.Ne5 Rc7 47.Nd3 Ke4–+ 48.Nb4 Rd4 49.f3 Ke5 50.f4 Ke4 51.Nd4 Kd4 52.c6 a5 53.Nc2 Ke4 54.Na1 a4 55.Nc2 Rc6 56.Nb4 Rc3 (56...Rc3 57.Kg2 Ra3–+) 0–1. Bennett,Hilton Petrie – Wright,Neil, Australian op, 1999.

8.0-0 e5 9.d3= Qe7 10.c5 Bc7 11.Qc2 =.

8.0-0 Qe7 9.Qc2 e5 10.d3 e4 11.c5 Bc7 (11...Bc5 12.de4 de4 13.Ng5+=) 12.de4= Ne4 13.Nbd2 Ndf6 14.Ne4 Ne4 (worse is 14...Qe4 15.Bd3 Qe7 16.Bf6 Qf6 17.Bh7 Kh8 18.Bd3+/–) 15.Nd2 f5 16.f4 Nd2 17.Qd2 Qf7 18.Rf3 Bd8 19.Raf1 Bf6 20.Rg3 Bb2 21.Qb2 Qf6 ½–½. Docekal,Jan – Cupal,Miroslav, CZE–ch U16 Czechia, 2000. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Nbd7 5.e3 c6 6.c4 Bd6 7.Be2 0-0)

8.0-0 Re8 9.d3 e5 10.Nc3 dc4 11.dc4 e4 (better is 11...Bc7=) 12.Qd6+/– ef3 13.gf3 Ne5 (13...Re6!? 14.Qf4 Qe7+/–) 14.Qd8+– Rd8 15.Na4 Nd3 (15...Re8 16.Rfd1+–) 16.Bd3 Rd3 17.Nc5 Rd2 18.Bf6 gf6 19.Rfd1 Rc2 (19...Rd1 20.Rd1 Kf8+–) 20.Rd8 Kg7 21.Ne4 Rc4 (21...a5 22.ba5 Rc4 23.Nd6+–) 22.Nd6 1–0. Trkn – guest2924, ICC, 2004.

8.Nc3 a6 9.c5= Bb8 10.0-0 e5 11.Qc2 g6 (11...Qc7 12.e4=) 12.Rac1 (12.Rfe1 Qc7 13.d3 Re8+=) 12...Qc7 13.e4 d4 14.Na4 Nh5 15.Bc4 h6 16.Rce1 Qd8 17.Bc1 Qf6 18.d3 g5 19.Nd2 (19.h3 Nf4 20.Nh2 Bc7+=) 19...Kh7 (19...Nf4 20.Nb3=) 20.f3 (20.Bb3 Bc7=) 20...Qg6 (20...Nf4 21.Nb3=) 21.g3 Bc7 22.Bb3 (22.Nb3 Rg8+=) 22...Rg8 (22...a5 23.ba5 Ba5 24.Re2=) 23.Nc4 Nf4? (better is 23...Nhf6=) 24.gf4+– gf4 25.Kh1 Qh5 26.Qe2 Nf6 27.Nab6 Bh3 28.Na8 Bf1 29.Rf1 Bd8?? 30.Nd6 Qh3 31.Rg1 Rg1 32.Kg1 Nh5 33.Qg2 Qh4 34.Bf7 Qe1 35.Qf1 Qh4 36.Qf2 Qg5 37.Qg2 (37...Nf6 38.Nb7+–) 1–0. b4_player – opponent, gamecolony.com, 2008.

8.Nc3 a6 9.c5 Bc7 10.0-0 e5 11.d3 Re8 12.Qc2 Nf8 13.a4 Ng6 14.a5 Bg4 15.Na4 Nd7 16.Nb6 Nb6 17.ab6 Bb8 18.h3 Be6 19.Rfe1 h6 20.Qb3 Qd7 (20...Nh4 21.Qd1= (21.Ne5? Be5 22.Be5 d4–+)) 21.Qd1 Bh3 (21...Qe7!?=) 22.gh3+= Qh3 23.Bf1 Qg4 24.Bg2 Qb4 25.Qc2 Qg4 26.Ra4 e4 27.de4 de4 28.Kf1 Qe6 29.Nd4 Qg4 30.Nc6 (better is 30.Rd1 Kh8 31.Nc6 bc6 32.Re4+– (32.Be4?! Qh3 33.Ke1 Ne7+/–)) 30...Nh4?? (30...bc6 31.Re4 Re4 32.Qe4 Qe4 33.Be4 Be5 34.Bc6 Rb8+–) 31.Be4+– Qh3 32.Ke2 Qg4 33.Kd3 Qd7 (33...Nf3 34.Rd1 Bf4 35.Qe2+–) 34.Rd4 Qe6 35.Nd8 Qe7 (35...Qf6 36.Bb7 Be5 37.Ba8 Rd8 38.Bb7 Bd4 39.Bd4+–) 36.Nb7 Be5 37.Nd6 Bd4 38.ed4 (38.ed4 Qf8 39.Ne8 Re8 40.Qa4+–; 38.Kd4?! Rad8 39.Bh7 Kh8+=) 1–0. pierre – Q_void, internet, 2015.

8.Nc3 dc4 9.Bc4 Nb6 10.Be2 =.

8.Nc3 e5 9.cd5 cd5 10.Qb3 e4 11.Nd4 Nb6 12.0-0 Bg4 13.f3 ef3 14.Bf3 The pressure on the isolated pawn grows 14...Re8 15.Bg4 (15.Nd5? Nbd5 16.Bd5 Nd5–+; 15.Bd5? Nbd5 16.Nd5 Nd5–+) 15...Ng4 16.h3 Bh2 17.Kh1 Bb8 18.e4? (18.Nf3 Ne5 19.e4-/+) 18...Qc7-/+ (18...Qc7 19.e5 Ne5-/+) 0–1. chaman – pierred (2825), net–chess.com, 2015.

8.Nc3 e5 9.cd5 cd5 10.Qb3 e4 11.Nd4 Nb6 12.f4 Bg4 =.

8.Nc3 e5 9.cd5 cd5 10.Qb3 e4 11.Nd4 Nb6 12.h3 Bd7 (12...Be5 13.d3=) 13.a4 Be5 14.a5 Nc4 15.Bc4 dc4 16.Qc4 Rc8 17.Qe2 Bd4 18.ed4 Be6 19.Qe3 (19.Ne4? Ne4 20.Qe4 Bc4–+) 19...Bc4 20.d5 (20.b5 Re8+=) 20...Nd5-/+ (20...Bd5 21.Qa7 Qd6 22.Nd5 Nd5 23.Qd4+/– (worse is 23.Qb7 Rc2 24.Bc1 Rb8=)) 21.Nd5 Qd5 22.Bc3 (22.Qa7? e3 23.Qd4 Qg2 24.Qg7 Qg7 25.Bg7 ed2 (25...Kg7?! 26.fe3 Rg8 27.Kf2-/+) 26.Kd2 Rfd8 27.Ke3 Kg7–+) 22...f5 (22...a6 23.Rc1-/+) 23.Qd4+= Threatening mate: Qxg7 23...Qf7 24.Qa7 Rfd8 (24...f4 25.Qd4 Rfd8–+) 25.a6? (better is 25.Rg1!?+=) 25...Ba6–+ Black creates threats along the open a–file 26.Ra6 ba6 27.Qa6 Ra8 28.Qb5 Rdb8 29.Qe5-/+ Re8 30.Qf4 Qc4 31.h4 Ra7 32.Rh3 Qb5 33.Re3-/+ Rc8 Threatening mate: Ra1 34.f3 h6 35.Kf2 Rc4 36.fe4 fe4 37.Kg1 Rf7 38.Qg4 Qb6 39.Kh1 Qd6 Do you see the mate threat? 40.Qe2 Qd5 41.Kg1 Rf4 42.Rg3 Rc7 43.Rg4 Rg4 44.Qg4 e3 45.Qe2 Qe4 46.b5 h5 47.b6 Qb1 48.Kh2 Qb6 49.Qh5 Qe6 50.Qe2 Qe4 51.Kg1 Qe6 52.Kh2 Rc4 53.Kg1–+ Kh8 54.Qh5= Kg8 55.Qe2 Rc5 56.Kh2 Qe4 57.Kg1 Qe6 58.Kh2 Qd6 59.Kh3? Qe7?? 60.Kg3 Rc6 61.Kf3 Qf7–+ 62.Kg3 Rg6 63.Kh2 Qf2 The mate threat is Rxg2 64.Qc4 Kh8 65.Qe4 e2 66.d3 Qg3 67.Kg1+= Rb6 68.Qe8= Kh7 Threatening mate... how? 69.Qh5 (69.Qe4 Kg8 70.Qd5 Kh7 71.Qe4 Kg8 72.Qd5 Kh7 73.Qe4=) ½–½. Aleksandrov (2550) – Filippov (2565), Gistrup, 1996. (=1.c4 c6 2.b4 Nf6 3.Bb2 d5 4.e3 Nbd7 5.Nf3 e6 6.a3 Bd6 7.Be2 0-0)

8.Nc3 Qe7 9.0-0 a6 10.d4 (10.c5 Bc7+=) 10...b5 (10...dc4!? 11.Bc4 e5=) 11.c5+= Bc7 12.a4 Bb7 13.Qc2 e5 14.ab5 ab5 15.Nb5 (15.Ra8 Ba8 16.Ra1 e4+=) 15...cb5 16.c6 Ba6?? (better 16...e4 17.Ne5 Ne5 18.de5 Bc6 19.ef6 Qd6+=) 17.cd7+– Qd7 18.Ne5 Be5 (18...Qd6 19.Rfc1 Bb6 20.Qd3+–) 19.de5 Ne4 20.Qd3 h6 21.Rfc1 Rfd8 22.Ra5 Bb7 (22...Qe7 23.Qd4+–) 23.f3 Ng5 24.Qb5 (24.Rb5?! Ba6 25.Rcc5 Ne6=) 24...Qb5 25.Bb5 (25.Rb5?! Ba6=) 25...Ne6 26.Bd3 g6 (26...Ra5 27.ba5 Ra8 28.Bc3+–) 27.Kf2 h5 28.Bc3 Rac8 29.Ra7 Bc6 (29...d4 30.Bb2 (30.Rb7?! Rc3 31.Rc3 dc3+–) 30...Rb8 31.b5+–) 30.b5 Nc5 (30...Bd7 31.b6 Rc5 32.Ke2+–) 31.Be2 Be8 (31...Bb5 32.Bb5 Nb3+–) 32.Ba5 Rd7 (32...Nb3 33.Rc8 Rc8 34.Bc7+–) 33.Rc5! Rc5 34.Ra8 Re7 (34...Rb7+–) 35.Bb4 Rcc7 36.Bc5 (better 36.b6 Rb7 37.Be7 Re7 38.Ba6+–) 36...Rc5–+ 37.Bd3 (37.b6 Rc2 38.Kf1 Rb2–+) 37...Kg7 38.b6 (38.f4 Bb5 39.Ra5 Rb7–+ (39...Bd3?! 40.Rc5 Be4 41.Rb5–+)) 38...Bc6 39.Ra3 0–1. Pierre – Danziger, internet, 2020.

8.c5 Bc7 9.0-0 Re8 10.d4 e5 11.Ne5 Ne5 12.de5 Be5 13.Be5 Re5 14.Nc3 Bf5 15.Qd4 Re7 16.Qf4 Qd7 17.Rfd1 Rae8 18.Rac1 Ne4 19.f3?? (19.Ne4 Re4 20.Qg3 Bg4 21.Bg4 Rg4=) 19...Nc3?? (better is 19...g5 20.Ne4 gf4 21.Nf6 Kg7 22.Nd7 Re3–+) 20.Rc3= Bg6 21.Bc4 (21.Rd2 Re6=) 21...Qe6 (21...Qf5 22.Bf1=+) 22.Bb3 a6 (better is 22...Qc8!?=) 23.e4+/– Rd8 24.Rcd3 Qe5 (24...Qc8!? 25.Rd4 Rde8 26.ed5 Re3+/–) 25.Qe5+– Re5 26.Rd4 f6 (26...Kf8 27.Kf2+–) 27.ed5 Bf7?? (27...Kf8+–) 28.dc6 Rd4 (28...Rde8 29.Bf7 Kf7 30.cb7 Rb8+–) 29.Rd4 bc6 (29...Bb3 30.Rd8 Kf7 31.cb7 Re1 32.Kf2 Ra1+–) 30.Rd8 (30...Re8 31.Re8) 1–0. market (1875) – Kingmatesmen (1810), GameColony.com, 2002.

8.c5 Bc7 9.d4 Re8 10.0-0 e5 11.de5 Ne5 12.Nbd2 Bf5 (12...Nf3 13.Nf3 Bg4 14.Nd2 Be2 15.Qe2=) 13.Ne5 Be5 14.Be5 Re5 15.Nf3 Re7 16.Nd4 Qd7 17.Bd3 (17.Qa4 Be4+=) 17...Be4= 18.Be4 Re4 19.h3 Rae8 20.Nf3 h6 21.Nd2 R4e6 22.Nf3 Ne4 23.Qd4 Ng5 (23...Rf6 24.Nd2=) 24.Ng5 hg5 25.Qg4 Qe7 26.Rfd1 Re4 27.Qg3 f5 28.Rd4 Qf6 Black prepares f4 29.Rad1 f4 30.Re4 fg3 Do you see the mate threat? 31.Re8 Kf7 32.Rb8 Qf2 (worse is 32...gf2 33.Kf1 Ke6 34.Rb7+/–) 33.Kh1 Qe3 34.Rb7 Kg8 35.Ra7 Qe2 (35...g4 36.h4 Qh6–+) 36.Rg1 d4? (36...g4!? 37.h4 Qf2=) 37.Rd7+/– d3 38.Rd6?? (better is 38.a4 Qd2 39.Rd4+/–) 38...g4–+ 39.h4 Qe7 (39...Qe7 40.Rd8 Qd8 41.Rd1 Qh4 42.Kg1 Qh2 43.Kf1 Qh1#) 0–1. Kielgast,Ottomar – Herrmann,Udo, GER–chT Seniors, 1997.

8.d4 Ne4 (8...dc4 9.Bc4 a5 10.ba5 Qa5 11.Bc3=+) 9.Nbd2 (9.0-0 Qf6=) 9...f5 (9...Ndf6 10.c5 Be7 11.0-0+=) 10.Qc2 (10.0-0 Qf6+=) 10...Qf6 11.c5 Bc7 12.Bd3 Qh6 13.Nb3 (13.0-0!?=) 13...Ndf6=+ 14.0-0-0 Bd7 (14...Qg6 15.Rdg1=+) 15.Kb1 (15.Ne5 Be5 16.de5 Ng4=) 15...Be8 (15...b6 16.Ne5=+) 16.Rdf1 (16.Ne5 b6=) 16...Nd7 (16...b6 17.Ne5=+) 17.Bc1 (17.Ne1 Bg6=) 17...Qf6 (17...a5 18.Na5 Ba5 19.ba5 Ra5 20.Nd2=+) 18.Ne1 Qe7 19.f3 Nef6 20.g4 fg4 21.fg4 e5 22.g5 Ne4 23.Ka2 (23.Rf8!? Nf8 24.Be4 de4 25.h4=+) 23...Ng5 24.h4 e4 25.hg5 (25.Ba6 Rf1 26.Rf1 ba6 27.hg5 Qg5–+) 25...ed3 26.Rf8 (26.Qd3 Bg6 27.Qe2 b6–+) 26...Nf8–+ 27.Nd3 Bg6 (worse 27...Qg5 28.e4 Qg3 29.Re1-/+) 28.Qe2 Qe4 29.Rd1 Ne6 30.Bb2 Rf8 31.Ne5 Be5 (31...Nd4 32.Nd4 Be5 33.Rf1–+) 32.de5 Qc2 (32...Ng5 33.Nd2 Qc2 34.Rc1–+) 33.Re1 (33.Qc2!? Bc2 34.Rg1 Bb3 35.Kb3-/+) 33...Qe2–+ 34.Re2 Bd3 (34...Ng5 35.Nd4–+) 35.Rg2 Bf1 36.Rg3 Bc4 37.a4 (37.Rg4 Rf3 38.Rc4 dc4–+) 37...a5! 38.Ka3 (38.ba5 Bb3 Double attack (38...Nc5 Deflection)) 38...ab4 39.Kb4 Bb3 40.Kb3 Nc5 41.Kb4 Nd3 42.Kb3 Nb2 43.Kb2 Rf5 (43...Re8 44.Rg4 Re5 45.Rb4–+) 44.Kb3 (44.e6 Re5–+) 44...Re5 45.a5 d4! 46.a6 (46.ed4 Rd5 Double attack (46...Ra5 Discovered attack; 46...Rd5 Decoy)) 46...de3 (46...Rb5 47.Kc2–+) 47.ab7 Rb5 48.Kc4 Rb7 49.Re3 Kf7 50.Rf3 (50.Rh3 Rb1–+) 50…Kg6 0–1. Tomic,Miroslav (2135) – Bergsson,Snorri (2345), Obrenovac SRB, Open, 2009.

8.cd5 ed5 9.0-0 Ng4 10.h3 Nge5 11.Ne5 Ne5 12.f4 Ng6 13.Bg4 White prepares the advance f5 13...Re8 14.Nc3 d4 15.f5 dc3 (15...de3? 16.fg6 fg6 17.Bc8 Rc8 18.de3 Re3 19.Na4+–) 16.fg6 f5 17.Qb3 Kh8 18.Qc3 Be5 19.d4 Bd6 (better is 19...fg4!? 20.de5 Qg5= (20...gh3 21.e6 Rg8 22.Rf7 Bd7 23.Rg7 h2 24.Kh1 hg6 25.Rg8 Kg8 26.Qg7)) 20.Bf5+/– Qg5 21.e4 Bf5 22.Rf5 Qg6 23.Raf1 White prepares d5 (better is 23.Qf3!?+/–) 23...Re4+= 24.Rf7 Rae8 25.d5 (25.Rb7 Re3 26.Qe3 Re3 27.Ra7 h5–+) 25...Rg8 26.dc6 (26.Qf3 Re7 27.Re7 Be7 28.dc6 bc6 29.Qf7+/–) 26...bc6? (26...Re2!? 27.R7f2 Rf2 28.Rf2 bc6+=) 27.Qf3 (27.Ra7? Re2 28.g4 Bh2 29.Kh1 Qe4 30.Qf3 Qf3 31.Rf3 Rb2–+) 27...Be5 28.Be5 Re5 29.Rf8 Re8+/– 30.Qf7 Qf7 31.R8f7+/– Ra8 32.Rc7 a5 33.Rc6 ab4 34.ab4 Rgb8 35.Rb1 Ra2 36.b5+– g6 37.Rc7 Rf8? 38.b6 Rff2 39.b7 Rg2 40.Kf1 Raf2 41.Ke1 Re2 42.Kd1 Ref2 43.b8Q (43.b8Q Rf8 44.Qf8#) 1–0. Aubertin,Tim (1740) – Schmidt,Erhard (2165), Saarlouis op 6th, 2003.

8.Bc4 0-0 9.0-0 =.

8.Bc4 0-0 9.h3 Nb6 10.Bd3 =+.

8.Bc4 0-0 9.h3 c5 10.b5 (10.bc5 Nc5 11.Nc3 Bd7=) 10...a6 (10...Nb6 11.Be2=+) 11.Nc3 ab5 (11...Nb6 12.Be2=+) 12.Nb5= Nb6 (12...Be7 13.0-0=) 13.Bf6 Qf6 (13...gf6!? 14.Qb3 e5=) 14.Nd6+/– Bd7? (better is 14...Qd8 15.Nf7 Rf7+=) 15.Be2 (15.d4 Nc4 16.Nc4 Bc6+–) 15...Ba4 (15...Bc6 16.Rb1 e5 17.Rb6 Qd6 18.Qa1+–) 16.Qb1 Rfd8 17.Ne4 Qf5 18.g4 Qd5 19.Nc3 Qd6 20.0-0 c4 21.Ng5 g6 22.Nge4 Qc7 23.Nf6 Kg7 24.g5 h6 25.f4 hg5 26.Nfe4 Rh8 27.Nb5 Bb5 28.Qb5 Rh3 29.Rab1 Ra3 30.Qb6 Qb6 31.Rb6 e5 32.Ng5 Rg3 33.Kh2 ef4 (34.Ne4 Rge3 35.de3 Re3+–). Slowtowin – rild, Live Game Caissa's Web, 2006.

8.Bc4 b5 9.Bd3 a5 10.ba5 Qa5 11.Nc3 0-0 12.0-0 Bb7 13.h3 Qd8 (13...Rfd8 14.Qc2+=) 14.Qc2= Qe7 15.a4 b4 16.Ne4 Ne4 17.Be4 Attacks the backward pawn on c6 17...f5 18.Bd3 (worse is 18.Bc6 Rac8 19.Nd4 Be5-/+) 18...c5 19.Be2 Ra5 20.d4 (20.Rfc1 Rb8+=) 20...Rc8-/+ 21.Rfc1 Nb6 22.dc5 Rcc5 23.Qd2 Rc1 24.Rc1 Na4 25.Nd4 Nb2 26.Qb2 Qf6 27.g3 f4 28.ef4 Bc5 29.Rc4 (better is 29.Rd1!?-/+) 29…Bd5–+ (29...Bd5 30.Rb4 Ra2–+ (30...Bb4?! 31.Qb4 Ra1 32.Bf1-/+)) 0–1. Steingraeber,Barbara (1770) – Koslowski,Volker (1985), DESC, 2003.

8.Bc4 Nb6 9.Be2=+.

8.d3 0-0 9.0-0 Qe7 10.Qc2 b5 (10...dc4 11.dc4 c5 12.b5=) 11.c5 Bc7 12.a4 ba4 13.Ra4 Bb7 14.Rc1 a6 15.Nbd2 Rad8 (15...Rfb8 16.d4=) 16.Nb3 Nb8 17.Re1 Nfd7 18.e4 f5 19.Na5 Bc8 20.Bd1 fe4 21.de4 d4 22.Qc4 Kh8 23.Bc1 Nf6 24.Qd3 h6 25.Nh4 Qf7 (25...Kh7!?=) 26.f4+= Ba5 (26...g5 27.fg5 Ne4 28.Bf4 Ng5 29.Ng6 (29.Be5? Be5 30.Ng6 Kg7 31.Nf8 Rf8–+) 29...Kg7 30.Nf8 ef4 31.h4-/+) 27.Ra5+/– (27.ba5?! Nbd7 28.Ba3 g5+=) 27...ef4 (27...Nfd7 28.f5 Rg8 29.Ng6 Kh7 30.Bb3+–) 28.e5 Rfe8 29.Ng6 Kg8 30.Nf4 (worse is 30.Bf4 Nd5 31.Qg3 Re6-/+ (31...Nb4?! 32.Ra4 a5 33.Nh4=)) 30...Nd5? (better is 30...Ng4!? 31.Qg3 d3+–) 31.Bh5 (31.Bh5 Qf8 32.Nd5 Rd5 33.Be8 Qe8 34.Qg3+–; 31.Qd4?! Nf4 32.Qf4 Qf4 33.Bf4 Rd4+=) 1–0. Miralles – Urzica, Bukarest, 1984.

8.d3 0-0 9.0-0 Qe7 10.Nbd2 (10.Nc3 b6+=) 10...e4 (10...b6!?=) 11.de4+= de4 12.Nd4 Qe5 13.g3 c5 14.Nb5 Qb2 15.Nd6 a5 (15...Qe5 16.Nb3+=) 16.ba5 Qe5 17.Nc8 (17.Nb3!?+=) 17...Rfc8= 18.Qb1 (18.Qa4 b6=) 18...Ra5 19.Qb7 (19.Rd1!?=) 19...Rb8-/+ 20.Qc6 Rb2 21.Rad1 (21.Rfd1 Rd2! 22.Rd2 Qa1 23.Rd1 Qe5 (23...Qa3?! 24.Qc8 Nf8 25.Rd8=) 24.Rd7 Nd7 25.Qd7 Ra8–+) 21...Nf8 22.Rfe1 (22.Qc8 Ra3 23.Bg4 g6-/+) 22...Ra3–+ 23.Bf1 (23.Nb1 Raa2 24.f4 ef3 25.Qf3 Rc2–+) 23...Raa2 24.Re2 (24.f4 ef3 25.Nf3 Qf5–+) 24...Qe7 25.Bh3 Qd8 26.Qc8? (better is 26.Qc5 Rd2 27.Red2 Rd2 28.Rd2 Qd2 29.Qd4–+) 26…Qd6 0–1. Cornacchini,Gabriele – Jenneborg,Seved, internet, 2001.

8.d3 a5 9.b5 (9.c5 Bc7=) 9...cb5 (9...0-0 10.Nc3=) 10.cb5 0-0 11.Qc2 a4 (11...Ra7 12.0-0=) 12.0-0 Qe7 13.Nc3 (13.Rc1 Nb6=+) 13...Nb6 14.Rfc1 Bd7 (14...Be6 15.d4 e4 16.Ne5=+) 15.Qd1 (15.d4 e4 16.Ne5 Bf5=+ (worse 16...Be5 17.de5 Ne8 18.Qd2+=)) 15...Rfc8 16.Qf1 (16.d4 e4 17.Ne5 Be6=+ (worse 17...Be5 18.de5 Qe5 19.Na4+–)) 16...Ne8 (16...Bg4 17.h3 Be6 18.Qd1=+) 17.Rcb1 (17.d4 e4 18.Ne5 Be6=+) 17...Nc7 18.d4 e4 19.Ne5 Be6 20.f4 (20.h3 Qg5 21.Kh1 f6-/+) 20...ef3 21.Nf3 (21.Qf3 f6 22.Nd3 Nc4-/+) 21...Bf5 22.e4 de4 23.Ne5 Be5 (23...Qg5 24.Bc1 e3 25.Bd3 Be5 26.de5 Bd3 27.Qd3 Qe5 28.Be3-/+) 24.de5 Qg5 (24...Qe6 25.Rd1 Ne8 26.Qf4-/+) 25.Nd1 (25.Rd1 Bg6=+) 25...Ne6 (25...Ncd5 26.Rc1-/+) 26.Bc1 Qg6 27.Ne3 Nd4 28.Qf2 (28.Bb2 Ne2 29.Qe2 Be6-/+) 28...Ne2 (28...Be6 29.Bd1–+) 29.Qe2-/+ Qe6 (29...Be6 30.Bb2-/+) 30.Bb2 (30.Nf5 Qf5 31.Rb4 e3 32.Qe3 Nc4-/+) 30...Nc4 31.Bd4 (31.Nf5 Qf5 32.Bd4 Qd7 33.Qe4 Nd2–+) 31...Ne3 (31...Bg6 32.Nc4 Rc4 33.Rd1-/+) 32.Qe3 Rc2 33.Rf1 (33.Rb2 Rb2 34.Bb2 Qc4-/+) 33...Rac8 (33...Rd8 34.Rac1 Rc1 35.Rc1-/+) 34.Rf2 Rf2 35.Qf2 Bg6 (35...Rc4 36.Rf1-/+) 36.Qd2 (36.b6 Qb3-/+) 36...Qc4 (36...Qd5 37.Rb1–+) 37.Qb2 (37.b6 Qd3 38.Qd3 ed3-/+) 37...h6 (37...Qd3 38.Bb6–+) 38.e6 (38.Re1 Qd3 39.Bf2 Rc2–+) 38...Qd3 (38...f6 39.Rb1–+) 39.e7-/+ f6 40.Qb1?? (better 40.Bb6-/+) 40…Qd4–+ (40...Qd4 41.Kh1 Re8–+) 0–1. Ehrlich,Hans Georg (1920) – Bienhuels,Michael (1885), Muensterland Verbandsklasse–B, 2004.

8.d3 Qe7 9.Nc3 0-0 10.Qb3 (10.0-0 b6+=) 10...e4 11.de4 de4 12.Nd4 Ne5 13.c5 Bc7 14.Qc2 Ng6 15.h4 Re8 (15...h5!?=) 16.h5+= Nf8 17.Rg1 (17.h6!?+=) 17...Bg4 18.h6 g6 19.0-0-0 a5 20.Nb3 ab4 21.ab4 Be2 22.Qe2 (worse 22.Ne2 Nd5 23.Rd4 Qh4-/+) 22...b6 (22...Be5!?=+) 23.g4= N6d7 (23...Be5 24.g5 (worse 24.cb6 Qb4 25.Nd4 Qb6-+) 24...Bc3 25.Bc3=) 24.Rd4 (better 24.cb6 Bb6 25.Qc4+=) 24...Ne6?? (24...bc5 25.Re4 Ne6 26.Nc5 Ndc5 27.bc5=) 25.Re4?? (better 25.Rd7 Qd7 26.Ne4+-) 25...Nf6 (25...bc5 26.Nc5 Ndc5 27.bc5=) 26.cb6 Ne4 27.Ne4 Nf4 28.ef4 Bf4 29.Kc2 Qe4 30.Qe4 Re4 31.Nc5 (31.Bd4 Bh6 32.Kd3 Re7=) 31...Re2 (better 31...Rb4!? 32.Nd3 Re4 33.Nf4 Rf4=+) 32.Kb3= Rb8? (better 32...Rf2 33.Nd7 f6+=) 33.Nd7+- Rb7? (better 33...Ra8+-) 34.Ra1 f5 (34...Rb6 35.Nb6 Rb2 36.Kb2 Be5 37.Ka2 Ba1 38.Ka1+-) 35.Ra7 Rd7 36.Rd7 fg4 (36...Rf2 37.Rg7 Kf8 38.Rh7 Rf3 39.Kc4 Rh3 40.gf5 gf5+-) 37.Rg7 Kf8 38.Rh7 Rf2 39.Rh8 (better 39.Rc7 Rb2 40.Kb2+-) 39...Kf7 40.h7 (better 40.Bg7!? Rf3 41.Kc4 Ke7+-) 40...Rh2 41.b7 g3?? (better 41...g5+-) 42.b8Q Bb8 43.Rb8 g2 (43...Rh7 44.Rb7 Ke6 45.Rh7+-) 44.Bd4 c5 (44...Rh7 45.Rb7 Kg8 46.Rh7 Kh7+-) 45.Bg1 (45.Bg1 Rh3 46.Kc4 cb4 47.h8Q Rh8 48.Rh8+-) 1-0. Kavyev,Emil (1755) - Slugin,Yaroslav (2100), Korchnoi Memorial Open (3), 2018.

8.d4 e4 9.Nfd2 Nf8 10.Nc3 Ng6 11.Rc1 0-0 12.0-0 Be6 13.b5 Ne8 14.g3 Qg5 15.Qb3 h5 (15...Nf6 16.Rb1=+) 16.Nce4 (16.Qa4!? Ne7 17.c5=) 16...de4=+ 17.Ne4 Qh6 18.f4 Ne7 19.Ng5 cb5 20.Qb5 a6 21.Qa4 (21.Qb7? Rb8 22.Qa6 Bc8–+) 21...Bc7 22.e4 Bg4 (22...h4 23.d5 hg3 24.hg3=) 23.Bg4+= hg4 24.Qd7 White prepares d5 24...Qb6 25.Rf2 (worse 25.Qe7 Qb2 26.Rfd1 Bd6=+) 25...Nc6 (25...Qc6!? 26.Qg4 Qh6+–) 26.c5+– Qb3 27.d5 Ne5?? (better 27...Na5 28.Qf5 g6 29.Qg4 Ng7+–) 28.fe5 (28.Be5?! Be5 29.Qf5 g6 30.Qe5 Qa3+–) 28...Qe3 29.Qg4 Bd8 30.h4 (30.Nf3 Qh6+–) 30...Bg5 (30...Be7 31.Kg2 Nc7 32.Rc3+–) 31.hg5 (worse 31.Qg5 Qe4 32.d6 Rb8+–) 31...g6 (31...Nc7 32.Qf4 Qf4 33.gf4+–) 32.Qf4 Qf4 33.gf4 Ng7 34.f5 Rac8 (34...gf5 35.ef5 Rfd8 36.d6+–) 35.f6 Nh5 36.Kg2 Rfe8 (36...Kh7 37.e6 Rfe8 38.Bd4 fe6 39.Rb1+–) 37.e6! Kf8 (37...fe6 38.f7 Double attack (38.f7 Passed pawn)) 38.e7 Re7 39.fe7 Ke7 40.c6 (better 40.Bd4 Ke8+–) 40...bc6 41.Rc6 Rc6 42.dc6 Kd6 43.Rc2 Nf4 44.Kf3 Ne6 45.c7! Nc7 46.Be5! Ke5 47.Rc7 Ke6 48.Rc6 Ke7 49.Ra6 Kd7 50.Rb6 Kc7 51.Rb1 Kd7 52.a4 Kc7 53.a5 Kd7 54.a6 Kc7 55.a7 Kd7 (55...Kd6 56.a8Q Kc7 57.Rb7 Kc6 58.Qc8 Kd6 59.Qd7 Ke5 60.Qd5) 56.a8Q Ke7 (56...f5 57.Qd5 Ke8 58.Rb8 Ke7 59.Rb7 Ke8 60.Qg8) 57.Rb7 Kd6 58.Qd8 Kc5 (58...Ke5 59.Qf6) 59.Qd5 1–0. Yu,Jennifer (2365) – Feng,Maggie (2240), ch–USA w, 2018.

8.cd5 cd5 9.0-0 0-0 (9...a5 10.Qb3 (10.ba5 Ra5 11.Nc3 Qb6 12.Rb1 0-0 13.Ba1 Qd8 14.Nb5 Bb8 15.Bc3 Ra6 16.Bb4=) 10...ab4 11.ab4 Ra1 12.Ba1 Qb6 13.Bc3 e4 14.Nd4 0-0 15.Rc1 Qc7 16.h3=) 10.Nc3 (10.Qb3 e4 11.Nd4 Nb6 12.d3 Bd7 13.Nc3 Qe7 14.Rac1 Qe5 15.g3 Qe7 16.Kg2=) 10...a6 (10...e4 11.Nd4 Nb6 12.d3 ed3 13.Qd3 Bg4 14.Rab1 Re8 15.Rfd1 Qb8 16.h3+=) 11.Qb3 (11.Rc1 b6 12.d4 e4 13.Nd2 Bb7 14.Qb3 Qb8 15.h3 Rc8 16.Rc2=) 11...Nb6 12.Na4 (12.Rac1 Be6 (12...Bg4 13.d3 Qb8 14.h3 Be6 15.Qd1 Rc8 16.Qd2=) 13.Ng5 Bd7= 14.Nf3 Qb8 15.h3 Rc8 16.d4=) 12...Nc4 (12...Na4 13.Qa4 A) 13...Bg4 14.h3 (14.Qd1=+ Qe7 15.d4 e4 16.Ne5=+) 14...Bd7 15.Qb3 Qe8 16.Rac1=; B) 13...Qe7 14.Rfc1 Bg4 15.h3 Bd7 16.Qb3=) 13.Bc3 (13.Bc4!? dc4 14.Qc4= Bd7 15.Nc3 Bg4 16.d4+=) 13...b5=+ 14.Nc5 e4 15.Nd4 Qc7 (15...Bg4 16.d3=+) 16.h3 Re8 17.a4 Bc5 18.bc5 ba4 (worse 18...Qc5 19.ab5 Bb7 20.d3 ed3 21.Bd3+=) 19.Ra4 Nd7 (19...Bd7 20.c6 Bc6 21.Nc6 Qc6 22.Bc4 dc4 23.Rc4=) 20.Bb4 Rb8 (20...Nc5 21.Bc5 Qc5 22.Bc4 dc4 23.Rc4=+) 21.Qc3= Nde5 22.f4 ef3 23.Nf3 Nf3 24.Bf3 Bb7 (24...Qc6!? 25.Raa1 Re7=) 25.Qd4+– Rbd8 26.Bc3 f6 27.Rb1 Ne5 28.Bh5 Nc6 29.Ba5! Qe7? (29...Na5 30.Be8) 30.Bd8+– Rd8 31.Qb2 Bc8 32.Qb6 Ne5 33.c6 (33.Be2 Bf5 34.Rba1 Nc4 35.Bc4 dc4 36.Qa6 Qc5 37.Rc4 Qe7+–) 33...Nc4 34.Qd4 Qc7 35.Rc1 Rd6 36.Bf3 Kf8 37.Qc5 (37.Bd5?! Nb6 38.Ra5 Be6 39.Be6 Rd4 40.ed4 Qf4+–) 37...Nd2 (37...Ne5 38.Be2 Kf7 39.Ba6 Rc6 40.Qd5 Be6 41.Rc6 Qc6 (41...Bd5?? 42.Rc7 Ke6 43.Bc8 Kd6 44.Rg7+–) 42.Qc6 Nc6+–) 38.Bd5 Qe7 39.Kh1 (39.Rd1 Be6 40.Rd2 Rd5 41.Rd5 Bd5 42.Qd5 Qe3 43.Kh2 Qe7+–) 39...f5 40.Rd4 Ne4 41.Be4 Rd4 42.Qd4 (better 42.ed4 Qc5 43.Rc5 fe4 44.Re5+–) 42...fe4 (42...Qe4 43.Qd8 Qe8+–) 43.Rf1 Ke8 44.Rf4 1–0. Kutuzov,Denis (2275) – Burmakin,Vladimir (2570), TCh–RUS 1st Liga, 2004.

8.cd5 cd5 9.Nc3 A) 9...e4 10.Nd4 (10.Nb5 Bb8 11.Nfd4 a6 12.Nc3 0-0 13.d3 Qe7 14.Qb3 Nb6 15.Rd1 Rd8 16.Qc2=) 10...0-0 11.d3 Nb6 12.Ncb5 Bb8 13.Rc1 Qe7 14.Qd2 Rd8 15.0-0 ed3 16.Bd3+=; B) 9...0-0 10.Rc1 (10.Qb3 e4 11.Nd4 Nb6 12.0-0 Be5 13.d3 Bg4 14.Bg4 Ng4 15.h3 Nf6 16.de4=) 10...e4 11.Nd4 Be5 12.d3 a5 13.b5 Re8 14.0-0 Nf8 15.de4 de4 16.Qc2=.

8.cd5 cd5 9.d3 a5 10.Nc3 ab4 11.ab4 Ra1 12.Qa1 0-0 13.0-0 Bb4 (13...e4 14.Nd2 ed3 15.Bd3 Bb4 16.Ba3+=) 14.Na2= Bd6 15.Ne5 Ne5 16.Be5 Be5 17.Qe5 d4 18.Qd4 (18.ed4? Re8 19.Qb5 Re2–+) 18...Qd4 19.ed4 Rd8 20.Rc1 Be6 21.Nb4 ½–½. Fournier,Frederic (2550) – Chaloupe (2460), Echecsemail.com (Team), 2013. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 c6 5.e3 Nbd7 6.c4 Bd6 7.Be2)

6.c4 0-0= 7.d3 Nf6 8.c5 Be7 9.Be2 b6 10.cb6 ab6 11.0-0 c5 12.bc5 bc5 13.Nbd2 Ba6 14.Qc2 Qb6 15.Rfb1 Qd6 16.a4 (16.Be5 Qd7+=) 16...Ng4 (16...Nc6 17.e4 Qf4 18.g3+=) 17.h3+= Nf6 18.Ba3 (18.e4 Nfd7=) 18...Nc6 (18...Nbd7 19.Nd4=) 19.Nb3 Can c5 get defended? (19.Qc5 Qc5 20.Bc5 Bc5+=) 19...Nb4= 20.Bb4 (20.Qc5!? Qc5 21.Nc5+=) 20...cb4+= 21.Nbd4 Rfb8 22.Qb3 (22.Nc6 Rc8 23.Ne7 Qe7=) 22...Qb6 23.a5 Qb7 24.Nc2 Attacks the isolani on b4 24...Bc5 (24...Qc7 25.Nfd4+=) 25.Nfd4 (25.Ra4 Bd6+=) 25...Bd4 (better is 25...Qc7!?+=) 26.Nd4 Qc7 27.Qc2 Qc2 28.Nc2+/– Rc8 29.Nb4+– Rc3?? 30.Na6 Rc2 31.Kf1 d4 32.Rb8 Rb8 33.Nb8 h6 34.a6 de3 35.fe3 Nd5 36.Kf2 Rc8 37.a7 Nb6 38.Nd7! Na8 39.Bf3 1–0. Fournier,Frederic – bmquintas, Active (5/0), 2004.

6.Bg7+/– Rg8 7.Be5 (better is 7.Bb2+=) 7...Be5-/+ 8.Ne5 Qf6 9.f4 Qh4 10.g3 Ng3! 11.Nf3 (11.hg3 Qh1) 11...Qg4?? (better is 11...Qf6 12.hg3 Qa1 13.Rh7 Rh8 (13...Rg3 14.Ng5 c6 15.Qh5+–) 14.Rh8 Qh8-/+) 12.hg3 (better is 12.Rg1 Qh5+–) 12...Qg3 13.Ke2 Nc6? (13...Qg7 14.Nc3 Bd7+–) 14.Rg1 (14.Rh7?! e5 15.Qe1 Qg6+/–) 14...Qg6 (14...Qf3 15.Kf3 Rg1+–) 15.Rg6 Nd4 16.ed4 (16.Nd4 hg6) 16...e5 (16...hg6 17.Ne5 Rh8+–) 17.Rg8 Ke7 18.de5 Bf5 19.Ra8 Bd3 20.cd3 c5 21.Ra7 cb4 22.Rb7 Kd8 23.ab4 Kc8 24.Rf7 d4 25.Qc2 Kb8 26.Qc7 1–0. maxim – mick64, Live Game Caissa's Web, 2004.

6.c4 dc4 7.Bc4 0-0 8.0-0 Nbd7 9.d3 Nb6 10.Nbd2 Rd8 11.e4 Bf4 12.Qc2 Nc4 13.Nc4 b6 (13...Bd7 14.Be5 Nh5 15.d4+=) 14.g3 (14.Be5 Be5 15.Nfe5 c5+=) 14...Bh6= 15.Nce5 Qd6 16.Nc6 (16.Bc1 Nd7 17.Nc6 Bc1 18.Nd8+– (18.Qc1?! Re8=; 18.Rfc1?! Re8+=; 18.Rac1?! Re8+=)) 16...Rd7?? (16...Qd3 17.Rfd1 Qd1 (17...Qc2?? 18.Rd8 Ne8 19.Re8) 18.Rd1 Rd1 19.Qd1 Bb7+–) 17.Nfe5+– Bb7 (17...a5!?+–) 18.Nd7 Nd7 19.Nd4 (19.b5 a6 20.e5 Qf8+–) 19...a6 20.f4 g6 (20...c5 21.bc5 Nc5 22.Rac1+/–) 21.Nf3 (21.e5 Qd5 22.Rf3 c5-/+) 21...Bg7 22.Rad1 Bb2 23.Qb2 c5 24.Ne1?? f5?? 25.Nc2 fe4? 26.de4+– Qc6 27.Rfe1 Qb5 28.Rd6 Re8 29.a4 Qa4+/– 30.b5 Re7 31.ba6 Ba6 32.Ra1 Qc4 33.Qa2 Qa2 34.Ra2+/– Bc4 35.Ra7+– b5?? 36.Rdd7 Re8 37.Na3 Be2 38.Kf2 (38...b4 39.Ke2 ba3 40.Rg7 Kh8 41.Rh7 Kg8 42.Rhg7 Kh8 43.Rg6+–) 1–0. Andersson,Lars H – Oehman, Sweden, 1988.

6.c4 dc4 7.Bc4 e5 8.h3 Bf5 9.d3 Nc6 (9...Nbd7 10.e4 Bg6 11.0-0=) 10.Nc3+= 0-0 11.Qc2 a6 12.0-0 Rfe8 (12...Be6 13.Ng5+=) 13.Rad1 Rad8 14.Rfe1 (14.Nd5 Nd5 15.Bd5 Bd7+=) 14...e4 (14...Be6 15.e4+=) 15.de4 Ne5?? (better 15...Ne4 16.Nd5 Qf8+–) 16.Ne5+– (16.ef5?! Nc4 17.Nd5 Nd5 18.Qc4 Nb6+–) 16...Qe5 17.Rd6 Qd6 18.ef5 b5 (18...Rd7 19.Rd1 Qc6 20.Rd7 Qd7 21.Na4+–) 19.Rd1 Qc6 (19...Qf8 20.Nd5 bc4 21.Bf6 Rd5 22.Rd5 gf6 23.Qc4+–) 20.Rd8 Rd8 21.Nb5! Qb6 (21...ab5 22.Bf7 Double attack) 22.Bd4 Qb7 23.Nc3 Re8 (23...h6 24.Bf6 gf6 25.Ne4+–) 24.Qe2 c6 (24...Rd8 25.Ba6 Qc6 26.Bc4+–) 25.Ba6 Qd7 (25...Qb8 26.Bc4+–) 26.b5 Qf5 (26...Rd8 27.b6 Qf5 28.b7+–) 27.bc6 Nd5 (27...Re7 28.Qb2 Re8+–) 28.Nd5 Qd5 29.Qg4 g6 30.c7 (30.c7 Qc6 31.c8Q Rc8 32.Qc8 Qc8 33.Bc8+–) 1–0. Pierre – Red Cloud, internet, 2019.

6.d4 Nc6 7.c4 dc4 8.Bc4 (8.b5 Na5 9.Qa4 b6=) 8...Bd7 (8...Bb4!? 9.Nc3 Ba5+=) 9.Nbd2 h6 10.0-0 g5 (10...0-0!?+=) 11.Qc2 g4 12.Ne5 0-0-0 13.Nc6 (13.b5!? Nb8 14.Qa4+/–) 13...Bc6+= 14.g3 (14.b5 Bd7+=) 14...h5 15.Bd3 (15.e4!? e5 16.b5+=) 15...h4 16.b5 Bf3 17.Nf3 gf3 18.Be4 hg3 (18...Ne4!? 19.Qe4 Qf6+=) 19.fg3= f2 20.Rf2 Ng4? Attacking the backward pawn on h2 (20...Ne4 21.Qe4 f5+=) 21.Re2?? (better is 21.Bb7!? Kb7 22.Qe4 Kb8 23.Qg4+–) 21...Rdg8 (21...Qg5 22.b6 ab6 23.h4-/+) 22.Bf3 (22.d5!? Rh5 23.de6 fe6 24.Bf3+=) 22...Nh2 23.Rh2 Rg3 24.Rg2? Qh4?? 25.Rg3+– Qg3 26.Qg2 Qh4 27.d5 ed5 28.Bd5 Bh2 29.Kf1 Re8 30.Bb7 Kb8 31.Ba8 Kc8?? 32.Rd1 (32.Rd1 Qc4 33.Qe2+–) 1–0. Fournier,Frederic – Playchesser, Partie evaluee, 1m + 2s, 2007.

7.Nc3 e5 8.cd5 Nd5 9.Bc4 (9.Nd5 cd5 10.Qb3 d4+=) 9...Nb6 10.d3 0-0 11.Ne4 Nc4 12.dc4 Bc7 13.c5 Rd8 14.Qb3 Be6 15.Qc3 f6 16.Ng3 Nd7 (16...b6 17.cb6 ab6 18.0-0=+) 17.e4 Nf8 18.0-0 Rd7 19.Nh4 (19.Rad1 Rad8 20.Rd7 Qd7=) 19...Rad8=+ 20.Ngf5 Qf7 21.Qg3 Kh8 22.Ne3 Bb3 23.Nhf5 Ne6 24.Ng4 (24.Qg4!?=+) 24...Nf4-/+ 25.Qh4 (25.Kh1!?-/+) 25...Bc4 26.Rfb1 Bd3 (26...h5 27.Nd6 Bd6 28.cd6–+) 27.Re1 Bc4?? (27...h5 28.Nd6 Bd6 29.cd6 Rd6 30.Ne5 fe5 31.Be5 Ne2 32.Kh1–+) 28.Bc1 (28.Reb1 h5 29.Nd6 Bd6 30.cd6–+) 28...Nd3-/+ 29.Re3? (29.Rf1!?-/+) 29...Nc5! 30.Bd2? Rd2 31.bc5 Be2 32.Re1-/+ Bg4 33.Qg4 g6 34.Nh4 R2d3 35.Qf3 Re3 36.Re3 Qe6 37.Qe2 Qd7 38.Kf1 Ba5 39.Nf3 Qd1 40.Qd1 Rd1 41.Ke2 Rd7 42.Rd3 Rd3 43.Kd3 Kg7 44.g4 g5 45.Ng1 h5! 46.h3 h4 47.Ne2 Kf7 48.f3 Ke6 49.Kc4 Be1 50.Nc1 b5 51.Kb3 Kd7 52.Nd3 Bd2 53.Kc2 Be3 54.Kb3 Kc7 55.Kb4 Bd2 56.Kb3 a5 57.a4 Kb7 58.Nb2 Be3 59.Nd3 Ka7 60.Ka3 ba4 61.Ka4-/+ Ka6 62.Nb2 Bc5 63.Nc4 Bb4 64.Ne3 Kb6 65.Nf5 Kc5 66.Ng7 Kd4 67.Nf5 Kd3 68.Nh6 Ke3 69.Ng8 Kf3 70.Nf6 Kg3 71.Nh7 Kh3 0–1. Gimeno Higueras,Roberto (2010) – Mengual Bolo,Carlos (2150), Autonomico Clubs, 2004.

7.c5 Bc7 8.Nc3 Nbd7 9.Be2 Ne5 10.0-0 0-0 (10...Nf3 11.Bf3 e5 12.d4=) 11.d3 (11.Ne5 Be5 12.f4 Bc7+=) 11...Bd7 (11...Nf3 12.Bf3 e5 13.Qa4+=) 12.Nb1 (12.Ne5 Be5 13.d4 Bc7=) 12...Nf3 13.Bf3 e5 14.Nd2 Bf5 Black prepares e4 15.Be2 Bg6 16.Nf3 Rad8 17.Re1 e4 18.Nd4 Qd7 19.Qc2 Rfe8 20.de4 Be4 21.Bd3 Ng4 22.h3 Nf6 23.Rad1 Nh5 24.Qe2 g6 25.f3 Bd3 26.Rd3 Nf4!–+ 27.Qd2 Nd3 28.Qd3 Bg3 29.Re2 Re5 30.Qc3 Qe7?? 31.f4+– Re3?? 32.Re3 Qh4 33.Rg3 Qf4 1–0. Fournier,Frederic (1930) – omerli (1785), Active (5/0), 2005.

7.d4 Nbd7 8.Nc3 0-0 =.

7.d4 Nbd7 8.Nc3 dc4 9.Bc4 0-0 10.Qc2 a5 (10...e5 11.Bb3=) 11.0-0+= ab4 12.ab4 Ra1 13.Ra1 Bb4 14.Bd3 Bd6 15.Ra4 (15.Ng5 h6 16.Nge4 Bb4=) 15...e5 16.Ng5 h6 17.Nge4 Ne4 (17...b5 18.Ra1= (worse 18.Nd6 ba4 19.Nf5 Qb4-/+)) 18.Ne4+= (worse 18.Be4 ed4 19.Rd4 Nf6-/+) 18...ed4 19.Nd6 Qd6 20.Rd4 (worse 20.Bd4 c5 21.Bb2 Rd8=+) 20...Qc5?? (better 20...Qc7+=) 21.Rg4+– Qc2 (21...f6 22.Bc4 Rf7+–) 22.Rg7 (22.Bc2 Nf6 23.Ra4 Be6=+) 22...Kh8 23.Rh7 (23.Bc2?! f6 24.Rg6 c5+–) 23...Kg8 24.Rh8 (24.Bc2?! f6+–) 1–0. Pierre – Louis, internet, 2020.

7.d4 Nbd7 8.cd5 ed5 9.Bd3 (9.Nbd2 0-0=) 9...0-0 10.0-0 Ne4 (10...a5 11.b5+=) 11.Nbd2 (11.Qc2 Nb6=) 11...Ndf6 (11...Nb6 12.Qc2 Bf5 13.Bc3+=) 12.Nb3 (12.Ne5 Bf5=) 12...Bg4 (12...Bf5 13.Qe2=) 13.Be2 (13.Qc2 Bf3 14.gf3 Ng5=) 13...Rae8 (13...Nd7 14.Nfd2 Be2 15.Qe2 Nd2 16.Nd2+=) 14.Rc1 a6 (14...Nd7 15.Nbd2+=) 15.Ne5= Be2 (worse is 15...Be5 16.de5 Be2 17.Qe2+/–) 16.Qe2 Nd7 (worse is 16...Be5 17.de5 Nd7 18.f3+/–) 17.Nd7 (17.Na5 Nb6=) 17...Qd7 18.Rfe1 (18.f3 Ng5=) 18...f5 (18...Qc7 19.g3+=) 19.Nc5 (19.f3 Ng5+=) 19...Qc7 20.Qh5 g6 21.Qh3 g5 (21...Rf7 22.Nd3+=) 22.f3 (22.Qh5 Qg7 23.Re2+=) 22...Nd2 (better is 22...g4 23.fg4 Nf2-/+) 23.Qh6+= Qe7 24.Rc2 (24.Nb7!? Qb7 25.Qd6=) 24...Nc4= 25.Bc1 Bc5 (25...g4 26.e4 Bc5 27.bc5=) 26.bc5= Qg7 27.Qg7 Kg7 28.e4 f4 (28...fe4 29.fe4 Kg6 30.e5=) 29.Kf2 Kg6 30.ed5 Re1 31.Ke1 Re8 (31...cd5 32.Re2=) 32.Kf2 cd5 33.g3 (33.Re2 Re2 34.Ke2 Kf5=) 33...Kf5 (33...fg3!? 34.hg3 h5+=) 34.g4 Kg6 ½–½. Agrest,Roman (2160) – Gustavsson,Sture (2105), SWE–ch Seniors, 2007.

7.d4 Nbd7 8.Ne5 0-0 9.Nd2 Bc7 10.Bd3 Ne5 11.de5 Nd7 12.f4 f6 13.ef6 (13.Qh5 g6 14.ef6 Nf6+= (< 14...gh5 15.fe7 Re8 16.Rf1+–)) 13...Nf6= 14.0-0 (14.Nf3 c5=) 14...e5 15.Qe1 (15.Qb3 ef4 16.ef4 Qe3 17.Kh1 Ng4 (< 17...Qd2 18.Rad1 Qd1 19.Qd1+–) 18.cd5 Qd2+/–) 15...Bd7 (15...e4 16.Be2=) 16.Qh4 (16.e4 dc4 17.Bc4 Kh8=) 16...Rae8 (16...e4 17.Bc2=) 17.Rae1 (17.cd5 cd5 18.Rac1 Bd6=) 17...Bc8 (17...e4!? 18.Bc2 Rd8=) 18.cd5 (18.fe5 Be5 19.Bd4 Bd4 20.ed4 Qd7+=) 18...cd5 19.e4 Ne4 20.Qe7+/– Re7 21.Ne4 de4 22.Be4 g6 23.Bd5 Be6+= 24.Be6 Re6 25.fe5 Rfe8= ½–½. Santasiere,Anthony – Turner, NJ Log Cabin, 1957.

6.c4 dc4 7.Bc4 a6 8.Nc3+= 0-0 9.0-0 b5 10.Be2 Bb7 11.d4 Qe7 12.Nd2 (12.Ne5 Nbd7 13.f4 Nd5 14.Nd5 ed5+=) 12...Rd8 (12...e5 13.Re1+=) 13.Nb3+= Nbd7 (13...Nc6 14.Qd2+=) 14.Na5+/- Rab8 15.Bf3 Bf3 (15...Nd5 16.e4 Nc3 17.Bc3+/-) 16.Qf3+- e5 17.Nc6 e4?? (better 17...Qe8+-) 18.Ne7 Be7 19.Ne4 Nh7 (19...Nb6 20.Ng3 g6 21.e4+-) 20.Rac1 Bf6 (20...Rbc8 21.Rc6 Nb6 22.Qg3+-) 21.Rc7 1-0. pereira - florin helmis, internet (35), 2021.

6.c4 dc4 7.Bc4 Nbd7=.

6.Bd3 a6 7.0-0 Ng4 8.g3 0-0 9.Ne5?? Ne5–+ 10.f4 (10.Be2 f6–+) 10...Nd3 11.cd3 g5 (better is 11...a5 12.b5 a4–+) 12.Qh5 Kh7 (better is 12...Qe7 13.Qh6 e5-/+) 13.fg5= Qg5 14.Rf7 Rf7?? (better is 14...Kg8 15.Qg5 hg5 16.Rg7 Kh8 17.Rf7 e5 18.Be5 Kg8 19.Rg7 Kh8 20.Rf7 Kg8 21.Rg7 Kh8 22.Rf7=) 15.Qf7 Qg7 16.Qg7 1–0. Kunz,John T – Flynn,Mike, New York USA, 2008.

6.Be2 0-0 7.h3 a6 8.d4 Nc6 9.c4 dc4 10.Bc4 b5 11.Bd3 Re8 12.Nbd2 Bb7 13.0-0 e5 14.de5 Ne5 15.Be2 Nf3 16.Bf3 Bf3 17.Qf3 Be5 (17...a5 18.ba5 Ra5 19.Nb3=) 18.Be5+= Re5 19.Rac1 Ra7 20.Nb3 Qd3 21.Nd4 Rg5?? (better 21...Qe4+=) 22.Nc6+- Rb7 (22...Qa3 23.Ra1 Qb3 24.Na7 Qb4 25.Ra6+-) 23.Ne7 Kh8 (23...Kh7 24.Qb7 Qa3 25.Rc7 Qb4 26.Qa6+-) 24.Qb7 Qa3 (24...Kh7 25.Qc7 Qe4 26.g3+-) 25.h4 Re5 26.Qc7 Re6 27.Qb8 Kh7 28.Rc8 Re7 29.Rh8 Kg6 30.Qg3 Kf5 31.e4! (31.e4 Re4 32.Qa3+-) 1-0. Pereira - Florin Helmis, internet, 2021.

6.Bg2 c5 7.c3 Nc6 8.0-0 =+.

6.Bg2 c5 7.c3 Nbd7 8.0-0 a5 9.Qb3 (9.bc5 Nc5 10.d3 Bd7=+) 9...Qb6 (9...c4 10.Qc2-/+) 10.d3=+ ab4 11.cb4 cb4 12.Bd4 Bc5 13.Bf6 (13.Bc5 Nc5 (13...Qc5?? 14.ab4 Qf2 15.Rf2 Ra1 16.Qb2+–) 14.Qb2 Ncd7-/+) 13...Nf6 14.a4 Bd7 15.Ne5 (15.e3 Rfc8-/+) 15...Bd4–+ 16.Nd7 Nd7 17.Ra2 Nc5 18.Qd1 b3 19.Ra3 Bb2 20.a5 Qb5 (20...Qb4 21.d4–+) 21.d4 Ba3 22.Na3 Qa5 (23.Nb1 Ne4–+) 0–1. Cingari,Julio – Bustamante Casas,Richard, Feria del Orinoco op, 2001.

6.Bg2 c5 7.bc5 Bc5 8.0-0 Nc6 9.d4 Bd6 10.Nbd2 Na5 11.Ne5 Qc7 12.c4 dc4 13.Qc2 (13.Bc3!?=) 13...Be5 14.de5 Nd7 15.Rac1 Ne5 16.Qe4 Nac6 (16...Nec6 17.Nc4 Nc4 18.Rc4=) 17.Nc4 Nc4 18.Qc4 Bd7 19.Rfd1 Rad8 20.Qh4 Qb6 (20...e5 21.Be4 f5 22.Bd5 Kh8 23.e3=) 21.Bg7 Kg7 22.Qg5 Kh8 23.Qf6 Kg8 24.Rc4 e5 25.Qg5 Kh8 26.Qf6 (26.Rd7!? Qb1 27.Rc1 Qc1 28.Qc1 Rd7 29.Bc6+=) 26...Kg8= 27.Rd7 Nd4?? (27...Rd7 28.Rg4 A classical mating theme) 28.Qb6+/– ab6 29.Rd8 (29.Rb7!? Rc8 30.Rc8 Rc8 31.Bd5 Ne2 32.Kg2+/–) 29...Rd8+= 30.e3 Ne6 31.Bb7 Rd1 32.Kg2 Nc5 33.Bc6 Ra1 (33...Nd3 34.Kf3+/–) 34.a4 Ra4?? (better is 34...f5+/–) 35.Ba4+– (35...Na4 36.Rg4 Kf8 37.Ra4+–; < 35.Ra4 Na4 36.Ba4 Kg7+–) 1–0. Mueller,P – Margraf,A, corr SOK–91–69, 1991.

6.Bg2 c5 7.bc5 Bc5 8.d4 Bd6 =+.

6.Bg2 h6 7.0-0 c5 8.bc5 Bc5 9.d4 Bb6 (9...Bd6 10.c4=) 10.e3 Nc6 11.Nbd2 Qe7 12.c4 Bd7 13.c5 (13.Ne5 Rac8+=) 13...Ba5 14.Nb3 b6 (14...Bc7 15.Qd3=) 15.Na5 (15.Ne5!?+=) 15...Na5= 16.a4 (better is 16.Bc3!? Nc6 17.Rc1=) 16...Nc4-/+ 17.Bc3 bc5 18.dc5 Ne4 19.Be1 (19.Bd4 Nc5 20.Ne5 Ne5 21.Be5 f6-/+) 19...Qc5 20.Nd4 (20.Nd2 Ned2 21.Bd2 Rfc8-/+) 20...Ng5 (20...Rab8 21.Qd3–+) 21.h4 (21.Nb3 Qc7-/+) 21...Nh7 22.Rc1 Qe7 23.Rc4 dc4–+ 24.Ba8 Ra8 25.Nb5 Bb5 26.ab5 Rd8 27.Qa4-/+ Qc5 28.Bb4 Qb6?? 29.Ba5+– Qd6 30.Bd8 Qd8 31.Qc4 Nf6 32.Rc1 Kh7 33.Qc2 g6 34.Rd1 Qb6 35.Qd3 Nd5 36.h5 f5 37.hg6 Kg6 38.g4 Nb4 39.gf5 ef5 40.Qd6 Qd6 41.Rd6 Kg5 42.Rd7 a5 43.b6 Nc6 44.Rc7 Nb8 45.b7 a4 46.Rc8 Na6 47.b8Q Nb8 1–0. Salvatore – Steve20, ChessWorld.net, 2006.

7.b5 Bd7 8.a4 c6 9.Na3 cb5 10.Nb5 Bb5 11.ab5 Nbd7 =+.

7.b5 Bd7 8.Nc3 a4 9.0-0 =+.

7.b5 Bd7 8.Nc3 e5 9.d4 e4 10.Ne5 Re8 11.0-0 Qc8 12.f3= Bh3 (< 12...Be5 13.de5 ef3 14.Bf3+/–) 13.fe4 Bg2 14.Kg2 de4 15.Nc4 Nbd7 16.e3 (16.Qd2 Nb6 17.Nb6 cb6=) 16...Bf8 17.Qe2 c6 18.bc6 Qc6 19.Rf5 a4 20.Rb5 (20.Nd2 Rac8=) 20...Rac8 21.Nd2 Qa6 22.h3 (22.Kg1 Re6=+) 22...Rc7 23.g4 (23.Kg1 Rec8 24.Ndb1 Nb6-/+) 23...Rec8 24.g5 (24.Ndb1 Ne8-/+) 24...Rc3–+ 25.Bc3 (25.gf6?? Rc2 26.fg7 Bg7–+) 25...Nd5! (< 25...Rc3 26.gf6 Nf6 27.Rab1-/+) 26.Ba5 (26.Rd5 Qe2) 26...Ne3! 27.Qe3 Qb5 28.Bc3 f5 29.gf6 Nf6 30.Rf1 Nd5 31.Qe4 Qc6 (32.Ba5 Ne3 33.Kf3 Nf1 34.Nf1 Qe4 35.Ke4 Rc2–+) 0–1. Kruimer,Wim – Poschmann,Hans, Tigerschachclub, 2002.

7.b5 Bd7 8.Nc3 e5 9.d4 e4 10.Ne5 Re8 11.0-0 Qc8 12.Bh3 e3 13.a4 g5 14.Nd5 Nd5 0–1. Kruimer,Wim – Poschmann,Hans, TSC, 2002.

7.b5 Bd7 8.Nc3 e5 9.d4 e4 10.Ne5 Re8 11.0-0 Qe7 12.Nd7 Nbd7 13.f3 =+.

6.d4 c6 7.Nbd2 b5 8.Bg2 0-0 9.0-0 Ne8 10.e4 f5 11.ef5 ef5 12.Ne5 Qb6 13.Nb3 Qc7 (better is 13...Nc7!?=) 14.Nc6!+/– Nb6 (14...Qc6 15.Na5 Decoy) 15.Ne5 f4 16.Nc5 Qe7 17.Qd3 Nc7 18.Rae1 Qf6 19.Bc1 g5 20.Qd1 Nc4? (better is 20...a5!?+–) 21.Ncd7 Bd7 22.Nd7 Qf5 23.Nf8 Rf8 24.Qh5 Kg7 25.c3 h6 26.gf4 gf4 27.Qf5 Rf5 28.Bf3 Kf6 29.h4 Kf7 30.Kh2 Rf6 31.Kh3 Nb6 32.Rg1 Ne6 33.Bh5 Kf8 34.Rg6 Rg6 35.Bg6 Ng7 (35...Nc7 36.Kg4+–) 36.Kg4 White prepares the advance h5 36...Nc4 37.h5 a6 38.Bf4 (38.Bf4 Bf4 39.Kf4+–) 1–0. Railo,Markku – Tapaninen,Jukka, FIN–chT Finland, 1987. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Bd6 5.g3)

6.Bg2 c6 7.d3 0-0 8.Nbd2 a5 9.ba5 Qa5 10.0-0 e5 11.c4 h6 12.Nb3 Qb6 13.Qc2 Re8 14.Nfd2 d4 15.Rfb1 c5 16.a4 Qc7 17.a5 Nb8 18.Ba3 Na6 19.Ne4 c5 becomes the focus of attention 19...Ne4 20.Be4 Nb8 21.Bc1 Ra7 22.Ba3 Ra6 23.Re1 Bd7 24.Rab1 Ba4 25.Qd2 Bb3 26.Rb3 Attacks the backward pawn on b7 26...Nc6 The pressure on the isolated pawn grows (26...Qa5?! 27.Qa5 Ra5 28.Bb7=) 27.Rb5 Na5 28.Reb1 b6 29.Bc1 Nc6 30.Qb2 Rb8 31.Bd2 Be7 32.Qc1 Bd6 33.Bh6 gh6 34.Qh6 f6?? (better is 34...Nb4=) 35.Bd5 1–0. Achenbach,Manfred (2035) – Hessel,Malte (1970), Ruhrgebiet VL1, 2007. (=1.Nf3 Nf6 2.g3 d5 3.b4 e6 4.a3 Bd6 5.Bb2)

6.g5 Nfd7 7.h4 e5 8.Nc3 c6 9.d3 a5 10.b5 Qe7 11.e4 (11.e3 Nb6=+) 11...Nb6 (11...d4 12.Nb1-/+) 12.bc6 bc6 13.Bg2 d4 14.Ne2 Na4 15.Bc1 c5 16.Ng3 (16.h5!?=+) 16...Nc3-/+ 17.Qd2 Qc7 18.0-0 c4 19.Nf5 (19.Nd4 ed4 20.e5 Be5 21.Ba8 Bg3 22.fg3 Qg3 23.Bg2 cd3 24.cd3 Bg4=+) 19...Be6 20.Bb2 Na4 21.Bd4 (21.c3!? Rd8 22.dc4 Nb2 23.Qb2-/+) 21...ed4 22.N3d4 (22.Nd6 Qd6 23.e5 Qd7 24.Nd4 Bh3-+) 22...Bf5 (22...Bh2 23.Kh1 Bf4 24.Qe1-+) 23.Nf5 Bh2 24.Kh1 Bf4 25.Qe2 cd3 26.cd3 Nd7 (26...Nc3 27.Qf3 Nd7 28.d4-+) 27.e5? (27.Ne7 Kh8 28.Nd5 Qd6=) 27...Rae8 (27...Rad8!? 28.Ne7 Kh8-/+) 28.d4=+ f6 (28...Ne5!? 29.de5 Nc3=+ (29...Be5 30.Rac1 Nc5 31.Qb5+-)) 29.gf6= Nf6 30.Qa2 Kh8 31.ef6 Rf6 32.Ng3 (32.Rae1 Ref8 33.Qb1=+) 32...Bg3-/+ 33.fg3 (33.Rac1 Qf4 34.fg3 Qg3 35.Rf6 Qh4 36.Kg1 Qf6-/+) 33...Qg3 34.Rf6 Qh4 35.Kg1 Qf6 36.Qf2 1-0. black_bishop_88 (2535) - Odessacoach (2530), lichess.org, 2020. (=1.a3 e6 2.b4 d5 3.Bb2 Nf6 4.Nf3 Bd6)

6.g5 Ne4 7.h4 Be7 8.d3= Nd6 9.Nbd2 Nd7 10.e4 (10.c4 dc4 11.dc4 c5=) 10...c5 11.c4 de4 12.de4 Qc7 13.Qc2 b6 (13...Qb6 14.Qc3 f6 15.gf6 gf6 16.Rg1 Kh8 17.Qe3+/-) 14.Qc3+= f6 15.Rg1 Kh8 (15...cb4 16.ab4 Ne8 17.Bh3+=) 16.Bh3 (better 16.gf6!? gf6 17.Ng5+-) 16...e5+= 17.0-0-0 (17.h5 fg5 18.Ng5 Bg5 19.Rg5 Nf7=) 17...Bb7 (17...cb4!? 18.ab4 a5 19.gf6 Bf6 20.Bd7 Bd7 21.Ne5 ab4 22.Qb4 Be6=+) 18.b5= Ne4?? (better 18...a6 19.ba6 Ra6=) 19.Ne4+- Be4 (19...Rfd8 20.Rd7 Rd7 21.gf6 Bf6 22.Nf6 Rd4+-) 20.Rd7 Qc8 21.Re7 Qh3 22.Ne5 (22.gf6 gf6 23.Qe5+-) 22...Qc3 23.Bc3 fe5 24.Be5 (24.Re5?! Bg6 25.h5 Bh5+/-) 24...Rg8 (24...Rfe8 25.Bg7 Kg8 26.Rc7+-) 25.Bg7! Rg7 26.Re4 Rf7 27.f4 Kg7 28.Rf1 Raf8 29.Kd2 Kg6 30.Ke3 Kh5 (30...Kg7 31.h5+-) 31.a4 (31.Re6 Kg4 32.Rg1 Kh3+-) 31...Kh4 (31...Rg8 32.Re5 Rd8 33.Rg1+-) 32.Re5 (better 32.g6 Rd7 33.Rh1 Kg3 34.Re6+- (34.gh7?! Rh8+-; worse 34.Rh7 Rd1 35.Re5 Re1 36.Kd2 Rf1+-)) 32...Kg4 (32...Kh5+-) 33.Re4 (better 33.g6 Rf4 34.Rf4 Rf4 35.g7 Rf3 36.Ke2+-) 33...Kf5?? (33...Kh4 34.g6 Rd7 35.Rh1 Kg3 36.Re6+- (36.gh7?! Rh8+-; worse 36.Rh7 Rd1 37.Re5 Re1 38.Kd2 Rf1+-)) 34.Re5 Kg4 35.Rg1 (better 35.g6 Rf4 36.Rf4 Rf4+-) 35...Kh4 (35...Kh3 36.Re6 h5 37.gh6 Kh2+-) 36.Re4 Kh5 (36...a5+-) 37.Rh1 (better 37.Re6 Re8 38.Re8+-) 37...Kg6 (37...Kg4 38.Ra1+-) 38.Rh6 Kg7 39.Rhe6 (39.Rc6 Rf5+-) 39...Rf5 (39...Rd8 40.Re7+-) 40.Re7 R8f7 41.Rf7 Rf7 42.Re5 h6 43.Ke4 (43.gh6 Kh6 44.a5 Rb7+-) 43...hg5 44.fg5 Kg6 45.Kd5 Rf4 46.Kc6?? (46.a5 Rd4 47.Kc6 ba5 48.Kc5 Rd8+-) 46...Rd4? (46...Rc4 47.a5 ba5 48.Re7+=) 47.Rd5?? (better 47.Re7 Rc4 48.Ra7+-) 47...Rc4+/- 48.Kb7?? (better 48.a5 ba5 49.Rd7+=) 48...Ra4-+ 49.Kc6 c4 50.Rd6 (50.Rd2 Kg5 51.Rf2 Kg4-+) 50...Kg5 51.Rd4 c3?? (better 51...Kf5-+) 52.Ra4+- c2 53.Rc4 Kf5 54.Rc2 Ke5 55.Ra2 Kd4 0-1. black_bishop_88 (2550) - REALCHESS_SCHOOL (2600), lichess.org, 2020. (=1.a3 e6 2.b4 d5 3.Bb2 Nf6 4.Nf3 Bd6)

6.g5 Ne4 7.h4 Re8?? 8.d3+/- Ng3 9.fg3 Bg3 10.Kd2 c5 11.bc5 Nc6 12.e3 e5? (12...Qa5 13.Ke2+-) 13.Bh3 (13.Rg1 Bf2 14.Rg2 Qa5 15.c3 d4 16.Rf2 de3 17.Ke3 Qc5 18.Ke2 e4+-) 13...e4 14.Nd4 Ne5? (14...Qa5 15.Bc3 Qc5 16.Qg1+-) 15.Nc3 (15.Qg1 Qc7 16.Bc8 Rac8+-) 15...Bf2?! (15...Nc6 16.Nc6 bc6 17.Bc8 Rc8+-) 16.Qe2 Bh4 (16...Be3 17.Qe3 (17.Ke3?! ed3 18.Qf1 Nc4 19.Kf2 Nb2+=) 17...ed3 18.Kc1 Bh3 19.Qh3 dc2 20.Qg2+-) 17.Bc8 Bg5 (17...Rc8 18.Rh4 Ng6 19.Rh2 Rc5 20.Qh5+-) 18.Bf5 (better 18.Qh5!? h6 19.Bb7 Rb8+-) 18...g6 19.Rag1 (better 19.Bh3 Nf3 20.Kd1 Nd4 21.ed4 f5+-) 19...ed3 (19...Nf3 20.Nf3 ef3 21.Qh2 (21.Qf3?! Re3 22.Qe3 Be3 23.Ke3 d4 24.Kd2 Qa5+=) 21...Be3 22.Kd1+-) 20.Bd3 (better 20.cd3 h6 21.Bh3+-) 20...Nc4 21.Bc4 Be3 22.Qe3 Re3 23.Ke3 (23.Bd5 Re5 24.c6 Rd5 25.Nd5 Qd5 26.cb7 Qb7=; 23.Nd5?! Re5 24.Nf4 Rc5 25.Bf7 Kf7 26.Rh7 Kg8 27.Rb7 Rc2 28.Kd3 Rc7 29.Rg6 Kh7+-) 23...dc4 (23...Qe7 24.Kd3 dc4 25.Kc4 Rc8+-) 24.Ne4 Qe7 (24...Qe8+-) 25.Nf5 Qe6 26.Nh6 (26.Rh7 c3 27.Rgh1 gf5 28.Rh8 Kg7 29.Bc3 f6 30.Bf6 Qf6 31.R8h7 Kg8 32.Nf6 Kf8 33.Rg1 Re8 34.Kf2 Re2 35.Ke2 f4 36.Rg8) 26...Kf8 27.Re1 (better 27.Nf7 Qf7 28.Rf1 Qf1 29.Rf1 Ke7 30.Be5+-) 27...Re8 (27...f5 28.Kd4 Qc6 29.Nf5 gf5 30.Rh7 fe4 31.Rh8 Ke7 32.Re4 Kd7 33.Ra8 Qf6 34.Kc4 Qb2 35.Ra7 Qc2 36.Kd5 Qa2 37.Ke5 Qb2 38.Rd4 Kc6+=) 28.Kd2?? (better 28.Kf4 Qd5 29.Bc3 Re4 30.Re4 g5 31.Ke3+-) 28...Qd5-+ 29.Kc1 Re4 30.Rd1 Qc6?? (better 30...Qc5 31.Rd7 c3 32.Rb7 cb2 33.Kb2 Re2 34.Rb8 Ke7 35.Rb7 Ke6-+) 31.Rhf1 (31.Nf7 Qc5 32.Nd6=+ (32.Rh7? c3 33.Nh6 Qg5 34.Kb1 cb2-+)) 31...f5-+ 32.Rd8 Re8 33.Rd6? (33.Nf5 gf5 34.Rf5 Ke7 35.Bf6 Ke6 36.Re5 Kf6 37.Ree8 Qc5 38.Kb2-+) 33...Qc5-+ 34.Rf6 Ke7 35.Re1 Kd7?? (better 35...Kd8 36.Nf7 Kd7 37.Rd1 Kc7-+) 36.Rf7= Kd8?? (better 36...Kd6 37.Re8 c3 38.Bc3 Qc3 39.Rd8 Ke6=) 37.Rd1 (better 37.Bf6 Qe7 38.Be7 Kc8 39.Rh7+-) 37...Kc8-+ 38.Bd4 (38.Kb1 c3 39.Bc1-+) 38...Qa3 39.Bb2 Qc5 (better 39...Qe3!? 40.Kb1 Qh6 41.Bc1-+) 40.Nf5 (40.Rh7 c3 41.Nf7 cb2 42.Kb2 Qb4 43.Ka2-+) 40...gf5 41.Kb1 (41.c3 Re7 42.Rf8 Kc7-+) 41...Qb5 (41...c3 42.Bc3 Qc3 43.Rf5 Re2 44.Rf8 Kc7 45.Rf7 Kc6-+) 42.c3 (42.Kc1 c3! 43.Bc3 Qc4 44.Rf5 Qc3-+) 42...Qb3 (42...Re2 43.Rd8 Kd8 44.Rf8 Ke7 45.Re8 Ke8 46.Kc1 Qb2 47.Kd1 Qd2) 43.Rf5 (43.Rfd7-+) 43…Qd1 (43...Qd1 44.Bc1 Re2 45.Rf8 Kd7 46.Rf7 Ke6 47.Re7 Ke7 48.Ka1 Qc1) 0-1. black_bishop_88 (2560) - okchess1 (2510), lichess.org, 2020. (=1.a3 d5 2.b4 e6 3.Bb2 Nf6 4.Nf3 Bd6)

6.g5 Ne4 7.h4 f5?? 8.d3+/- a5 9.de4 fe4 10.Nd4 ab4 11.ab4 (11.Bh3 Qe8+=) 11...Bb4= 12.c3 Ra1 13.cb4 (better 13.Ba1!? Bc5 14.e3+=) 13...Ra8=+ 14.e3 b6 15.Nd2 c5 16.bc5 bc5 17.N4b3 Qb6 18.Bh3 (18.Qh5 Ra2 19.Bg7 Kg7 20.Qh6 Kf7 21.Qh7 Ke8=+) 18...Nc6-+ 19.Qc2?? (19.Bc3 e5-/+) 19...c4 (better 19...Nb4 20.Qc3 Nd3 21.Kf1-+) 20.Nd4?? (better 20.Nc1-+) 20...Nb4 21.Qc3 Nd3 22.Qd3 (22.Kf1 Rf2 23.Kg1-+) 22...cd3 (better 22...ed3 23.Bc3 Ra3 24.0-0 Rc3 25.Nb1-+) 23.Bc3 (23.N4b3 Ra2 24.Bd4 Qc7-+) 23...e5 24.Bc8 (24.N4b3 Qc7 25.Bb2 Ra2-+) 24...Rac8 25.0-0 Rc3 (25...Rc3 26.Rb1 Qa6-+) 0-1. black_bishop_88 (2535) - Odessacoach (2530), lichess.org, 2020. (=1.a3 e6 2.b4 d5 3.Bb2 Nf6 4.Nf3 Bd6)

6.g5 Ne4 7.h4 Ng3 8.Rg1 Nf1 9.Rf1 a5=+.

6.Rg1 Nbd7 7.h4 e5 8.d3 Qe7 9.Nbd2 (9.g5 Nh5=+) 9...c6 (9...e4!? 10.Nd4 e3 11.fe3 Qe3-/+) 10.e4 b6 11.c4 Bb7 12.Rc1? (12.g5 Nh5=) 12...Rc8 (better 12...de4!? 13.de4 c5-/+) 13.Qa4 a6 (13...de4 14.Qa7 Rc7 15.de4=+) 14.cd5= cd5 (14...b5 15.Qc2=) 15.Rc8+= Bc8 16.ed5 (better 16.Qc6 Kd8 17.ed5+=) 16...Nd5?? (16...b5 17.Qc2 Bb7 18.g5 Nd5 19.Ne4=+) 17.Ne4?? (better 17.Qc6 Nc7 18.Nc4 Bb4 19.ab4 Qb4 20.Kd1+-) 17...0-0 (17...b5 18.Qc2 Bb7 19.Nd6 Qd6 20.Qd1-/+) 18.Qc6= N7f6?? (better 18...Bb4 19.ab4 Qb4 20.Nfd2 Qb2 21.Qd5 Nb8+=) 19.Qd6+- (19.Nd6?! Bd7 20.Nf5 Bc6 21.Ne7 Ne7 22.Ne5 Re8+-) 19...Ne4 20.Qe7 Ne7 21.de4 Be6 (21...f6 22.g5 Kh7 23.gf6 gf6 24.h5+-) 22.Ne5 a5 (22...f6 23.Nf3 b5 24.Nd4+-) 23.f4 Rc8 24.f5 Bb3 25.Bd3 Bc2 26.g5 hg5 27.Rg5 (27.Bc4 Be4 28.Rg5 Rc4 29.Nc4 Nf5 30.Nb6 ab4 31.ab4 Kf8+-) 27...f6 28.Rg2 Bd3 29.Nd3 ab4 (29...Rc4 30.Re2 ab4 31.Nb4 Kf7+-) 30.Bf6 Kf7 31.Be7 Ke7 32.ab4 Kd6 (32...Kf8 33.Kd2+-) 33.Rg7 Rc3 (33...Re8 34.Rg6 Kd7 35.e5+-) 34.Rg6 (34.e5 Kd5 35.Rd7 Ke4+-) 34...Kc7 35.Kd2 Ra3 36.h5 Ra2 37.Ke3 Rh2 38.h6 Rh6 39.Rh6 Kb7 40.b5 (40.f6 Kc6 41.f7 Kb5 42.f8Q Kc4 43.Qf7 Kb5 44.Qd7 Kc4 45.Qd5 Kc3 46.Rc6) 40...Ka8 (40...Kc8 41.Rc6 Kd7 42.f6 Kd8 43.e5 Kd7 44.e6 Kd8 45.Ne5 Ke8 46.Rc8) 41.Rc6 (41.f6 Kb7 42.Rh7 Kc8 43.f7 Kd7 44.f8Q Ke6 45.Qe7) 41...Ka7 (41...Kb7 42.f6 Kb8 43.f7 Ka8 44.f8Q Kb7 45.Qc8 Ka7 46.Rc7) 42.f6 Ka8 43.f7 Kb7 (43...Kb8 44.f8Q Kb7 45.Qc8 Ka7 46.Rc7) 44.f8Q Ka7 45.Qd8 (45.Rc7) 45...Kb7 46.Qb6 (46.Rc7) 46...Ka8 47.Rc8 1-0. black_bishop_88 (2470) - dk1210 (2385), lichess.org, 2020. (=1.a3 d5 2.b4 Nf6 3.Bb2 e6 4.Nf3 Bd6)

6.h4 b6 7.Rg1 Rg8 (7...Nbd7 8.g5 hg5 9.hg5=) 8.g5 hg5 9.hg5 Nfd7 10.g6 f6 11.c4 Bb7 12.e3 c5 13.bc5 Nc5 14.cd5 Bd5 15.Nc3 Bb3 16.Qc1 a6 17.d4 Na4 18.Nd2 Nb2?? (18...Nc3!? 19.Qc3 Ba4+/-) 19.Qb2 (better 19.Nb3 Rh8 20.Qb2+-) 19...Bd5+/- 20.Nd5 ed5 21.Bg2 Bc7?? (better 21...Rh8+-) 22.Qb3 Rf8 (22...Ra7 23.Bd5 Bh2 24.Bf7 Kf8+-) 23.Bd5 Ra7 (23...Qd6 24.Ba8 f5+-) 24.Bf7 Ke7 (24...Rf7 25.Qf7) 25.Qe6 1-0. black_bishop_88 (2650) - Romark_L_Ramones (2155), Hourly SuperBlitz Arena, lichess.org, 2020. (=1.a3 Nf6 2.b4 d5 3.Bb2 e6 4.Nf3 Bd6)

6.h4 Ng4 7.Bg7 Rg8 8.Bb2-/+.

5.Nc3 Bd6 =.

5.d3 a5=+ 6.ba5 Be7 (6...Ra5 7.e3=+) 7.e4= de4 8.de4 Ne4 9.Bg7 Rg8 10.Bb2 c6 (10...Bc5 11.Bd4=+) 11.Nfd2= Qa5 12.Qf3 Nd6 13.Bd3 c5 14.Qh3 (14...Bc6 15.Rg1=). Kruimer,Wim HJ – Rushton,Darren (1630), TT–03 TSC, 2002.

5.d3 c5 6.bc5 Bc5 7.e3 Nc6 8.Be2 a6 (8...0-0 9.0-0=+) 9.0-0= Rc8 (9...0-0 10.Nbd2=) 10.Nbd2 Ne7 (10...0-0 11.Qb1=) 11.c4 (11.Bf6 gf6 12.d4 Bd6+=) 11...Bc6 (11...dc4 12.d4 c3 13.Bc3=) 12.d4 (12.Bf6 gf6 13.d4 Bb6+/–) 12...Bd6+= 13.cd5 (13.c5!? Bc7 14.Rb1+=) 13...Bd5= 14.Qb1 Bb8 (14...Ng6 15.e4 Nf4 16.Re1 Ne2 17.Re2+–) 15.e4 (15.Bd3 Bc7+=) 15...Bc6= 16.a4 0-0 17.Bd3 Nh5 18.Re1 Nf4 19.Bf1 Nfg6 20.Qa2 Qa5 21.Qb3 Rfd8 22.Nc4 Qh5 23.Nb6 Rc7 24.Rad1 Nf4 25.g3 Qg4 26.Qe3 Nc8 27.Nc8 Rdc8?? 28.Qf4 Qh5? 29.Rc1 Rd7 30.Qe3 Ba7 31.Ne5 Rdc7 32.Nc6 bc6 33.Qc3 f6 34.Ba6 Rd8 35.d5 ed5 36.ed5 Qf5 37.Rf1 (37...Rd5 38.Bc4+–; 37.Qc2 Qc2 38.Rc2 Rd5+–) 1–0. Longorio Yepiz,Filiberto – Gonzalez Castro,Erick, Pan American–ch Amateur, 2001.

5.d4 a5 6.c3 ab4 7.ab4 Ra1 8.Ba1 Nc6 9.Nbd2 Bd6 10.e3 0-0 11.Bd3 Re8 12.b5 Ne7 13.c4 dc4 14.Bc4 Ng6 15.h4 h5 16.Ne5 Be5 17.de5 Ng4 18.Nf3 c6 19.Bc3 (19.Bd3!? Qa5 20.Ke2=) 19...cb5+= 20.Be2 Bc6 21.Qd8 (21.Qd6!?+=) 21...Rd8-/+ 22.0-0 Rc8 23.Bd4 b4 24.Rb1 Bd5 25.Ng5 b3 (25...N6e5?! 26.f3 f6 27.fg4=) 26.Bg4 hg4 27.h5 Ne7 28.e4 Bc4 29.f4 Nc6 30.Bc3 b5 31.f5 (31.Kf2!?-/+) 31...b4 32.Bb2 Rd8 (32...ef5 33.ef5 Bd3 34.Rc1 Bf5 35.Kh2–+) 33.Rc1 g3 34.fe6 fe6 35.Ra1? (35.Nf3 Bb5–+) 35...Na5 (better is 35...Rd2 36.Kh1 Kf8–+) 36.Nf3-/+ Nb7 37.Nd4 Nc5 38.Re1 (38.Rc1 Nd3 39.Rc4 Nb2 40.Rb4–+) 38...Nd3 39.Re3 Nb2 0–1. Kruchinin,Anatoly V (1850) – Sedova,Evgenia (1860), Nizhnij Novgorod City–ch op, 2008. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Bd7)

5.e3 a5 6.b5 c6 7.a4 cb5 8.ab5 Qb6 (8...Bd6 9.Be5 Be5 10.Ne5=) 9.Na3 (9.Nc3 Bd6+=) 9...Ba3 (9...Bd6 10.c4=) 10.Ba3 (better is 10.Ra3 Qc5 11.Ra4+=) 10...Bb5?? (better is 10...Ne4+=) 11.Rb1 Qa6 (11...Qc7 12.Bb5 Nbd7+–) 12.Bb5 (12.Bb5 Qc6 13.Nd4+–) 1–0. Janek – figjjun, internet, 2017.

5.e3 b5 6.Ne5 Bd6 7.Be2 Nc6 (7...c6 8.0-0=) 8.d4 (8.Nd7 Qd7 9.Bb5 a6+/–) 8...0-0 (8...a5 9.Nd7 Qd7 10.Bb5 ab4 11.ab4 Ra1 12.Ba1+=) 9.Bb5 (9.Nd7 Qd7 10.Bb5 a5+=) 9...Ne5= 10.de5 Bb5 11.ef6 g6 12.Nc3 (12.Nd2 e5+=) 12...a6 (12...Be5 13.Qf3=) 13.Ne2 c5 14.Qd2 cb4 15.ab4 Bc7 (15...Be2 16.Ke2 Qc7 17.e4=+) 16.0-0 Be2 17.Qe2 e5? (better is 17...Bd6+=) 18.Ra6+– Ra6 19.Qa6 Qb8 20.b5 Qb6? (better is 20...Rd8+–) 21.Be5 (better is 21.Qb6 Bb6 22.Be5+–) 21...Qa6+= 22.ba6 Be5 23.Rb1 Bb8 (23...Ra8!? 24.Rb6 h6+=) 24.Rb5 Rd8 25.g3 (25...Ba7 26.Rb7+=) +=. Dickey,Chris – Pieleck,Rudi, remoteschach.de, 2003.

5.e3 c6 6.d4 Be7 7.Nbd2 a5 8.c3 0-0 9.Bd3 Qc7 10.e4 Ng4 (10...Nh5 11.0-0=) 11.e5 f6 12.h3 (White launches an attack) 12...Nh6 13.0-0 fe5 (13...Nf7 14.ef6 Bf6 15.Qc2+=) 14.Ne5+/– Bd6 15.Ndf3 Na6 (15...ab4!? 16.Qc2 g6 17.ab4 Ra1 18.Ra1 Nf5+/–) 16.Qc2+– (< 16.Nd7 Qd7 17.Re1 Nc7+=) 16...Nf5 17.g4 Be5 18.Ne5 Nh4 19.Bh7 Kh8 20.f4 Rf6 21.g5 Rf5 22.Qf2 Kh7 23.Qh4 Kg8 24.g6 Rd8 25.Qh7 Kf8 26.Qh8 Ke7 27.Qg7 Kd6 28.Nf7 Ke7 29.Nh6 (29...Rf7 30.Nf5 ef5 31.Rae1 Qe5 32.Qe5 Be6 33.Qe6 Kf8 34.Qf7#) 1–0. Agrifoglio – Saccani,Ettore, Italy, 1986.

5.e3 Nc6 6.Be2 a6 7.0-0 Nh5 8.Nc3 Qg5?? (better is 8...Nf6=) 9.Ng5+– f6 (9...Nf6 10.b5 Nd8 11.ba6 ba6 12.Na2+–) 10.Bh5 (10...Ke7 11.Nf3+–) 1–0. market (1855) – canno, GameColony.com, 2002.

5.g3 a5=+ 6.c3 c5 7.bc5 Bc5 8.e3 b5 (8...0-0 9.Qb3=+) 9.Bg2 (9.Nd4 Bd4 10.cd4 0-0=+) 9...Na6 10.0-0 0-0 11.d3 b4 (11...Qc7 12.a4=+) 12.ab4 ab4 13.cb4 Bb4 (Opening the c–file gets Black a lot of play) 14.Bc3 Bc3 (14...Qe7 15.Bb4 Nb4 16.Ra8 Ra8 17.Ne5=+) 15.Nc3 Nb4 16.Ra8 Qa8 17.Ne5 Rc8 18.Nd7 (18.Qd2 Nc6 19.f4 Qa5=) 18...Nd7=+ (18...Rc3? 19.Nf6 gf6 20.Qg4 Kh8 21.Qb4 Rd3 22.e4+–) 19.Ne2 Nc5 20.d4 Ncd3 21.Qa1 Qa1 (21...Qc6 22.Rb1=+) 22.Ra1= g6 23.Bf1 Rc2 24.Ra3 (24.Kg2 Kg7=) 24...Kg7 25.Rc3 Rb2 26.f3 Ne1 27.Kf2? (better is 27.e4!?=+) 27...Nbd3-/+ 28.Kg1 Nf3 29.Kg2 Nfe1 30.Kg1 Nb4 31.Ra3 Nf3 32.Kg2 Nd2 33.Rc3 Nc4 34.Kf2 Nd2 (better is 34...Na2 35.Rd3 h6–+) 35.Bg2?? (35.Kg2 Nf1 36.Kf1–+) ½–½. De Pool,T – Silva,Alzira, Novi Sad ol (Women), 1990.

5.g3 c5 6.Bg2 Nc6 (6...cb4 7.0-0-/+) 7.bc5 Bc5 8.0-0 0-0 9.d3 Re8 (9...Ng4 10.Ra2=+) 10.Nbd2 e5 11.Nb3 (11.d4 ed4 12.Nb3 Be7=) 11...Bb6 (11...Bd6 12.c4=+) 12.a4 e4 (12...Bg4 13.h3 Bf3 14.Bf3=+) 13.de4 de4 (< 13...Re4 14.a5 Bf2 15.Rf2+/–) 14.Nfd4 (14.Bf6 gf6 15.Nfd2 e3 16.fe3 Re3=) 14...Nd4=+ 15.Nd4 Bg4 16.c3 (16.h3 Bd4 17.Qd4 Be2=) 16...a6 (16...Qc7 17.Nb5 Qc5 18.c4-/+) 17.h3=+ Bh5 18.Qd2 (18.Qc2 Rc8 19.c4 Bg6=+) 18...Bg6 19.e3 Ba5 20.Qe2 Rc8 21.Ra3 Nd5 22.Rc1 Re7 23.Rb3 Rec7-/+ 24.c4 Nb4 25.h4 Nd3 26.Rd1 Nb2 27.Rb2= Qe7 28.Rc1?? Qa3 29.Rcb1 b6?? 30.Bh3?? Re8 31.Rb3?? Qa4 32.Bf1?? Rc5 33.Qb2=+ Rec8 34.Kh2 f5 35.Ne6= Qd7 36.Nc5 Rc5 37.Qe2 Bf7=+ 38.Qc2 Qd6 39.Rd1 Qc7 40.Rc1 b5-/+ 41.Qb1 Bd2 42.Rc2 Ba5= 43.Ra2 Qb6 44.Rc2 Qc7 45.Qc1 Bb6 46.Rbc3 b4 47.Rb3 a5 48.Bh3 Qe7 49.Bf5?? Rf5–+ 50.Rb1 Qf6 51.Qe1 Bc7 52.c5 Qh4 53.Kg2 Qg4 54.Rd2 Qf3 55.Kg1 Rh5 (56.Rd8 Bd8 57.Qb4 Rh1#) 0–1. alexp (2490) – buddah (2460), net–chess.com, 2004.

6.Nc3 Bd6 7.d3 c5 (7...0-0 8.Be2=) 8.bc5 Bc5 9.Ne5 (9.Be2 Qc7=) 9...Nc6 (9...d4 10.ed4 Bd4 11.Nd7 Nbd7 12.Rb1=+) 10.Nd7 Qd7 11.g3 (11.Na4 Ba7=) 11...Qc7 12.Bg2 Ba7 (12...0-0 13.0-0=+) 13.0-0 (13.Ne2 e5=) 13...d4 (13...0-0 14.Rb1=) 14.ed4 Nd4 15.Rc1 (15.Ne2 Rd8=) 15...Nf5 (15...0-0 16.Ne4 Ne4 17.Be4=) 16.Qe2 (16.Ne4 Nd7+=) 16...Nd4 (16...Bd4 17.Qe1=) 17.Qd2 Nf5 (17...0-0!?=) 18.Ne4+= (White gets the initiative) 18...Qd8? (better is 18...Ne4 19.Be4 f6+=) 19.Nf6+– gf6 20.Bb7 Rb8 21.Bc6 Kf8 22.Ba1 Rg8 23.Qf4 Rb6 24.Be4+– Bb8 25.Qf3 Nh4 26.Qf6 Qf6 27.Bf6 Ng6 28.Rb1 Ba7 29.Rb6 Bb6 30.Rb1 Bc7 31.Rb7 Be5 32.Be5 Ne5 33.Ra7 Kg7 34.Ra6 Kf6 35.h3 Kg5 36.f4 Kf6 37.fe5 Ke5 38.Kf2 Kd4 39.Rc6 Ra8 40.Rc4 Ke5 41.Ba8 (41...Kd6 42.Rh4+–) 1–0. Paggalis,G – Gabai,Alvertos, Patras op 3rd, 2001.

6.c4 c5 7.bc5 Bc5 8.Bf6 Qf6 9.Nc3 Bc6 10.d4 Nd7 (10...dc4 11.Bc4 Nd7 12.Bd3=) 11.Bd3 (11.cd5 ed5 12.Qb3 Bd6 13.Nd5 Qf5+=) 11...Ba7 12.c5 (better 12.cd5 ed5 13.0-0+=) 12...Nc5!-/+ 13.dc5? (better 13.Ne5-/+) 13...Qc3-+ 14.Ke2 Qc5 15.h4 (15.Nd4 Rc8-+) 15...0-0 16.Ra2 (16.Qd2 Qe7 17.Qc3 Rac8-+) 16...Rac8 (16...d4 17.ed4 Bf3 18.gf3 Qd4 19.Kf1-+) 17.Qd2 Qd6 18.g4 (18.Qb4 Bc5 19.Qb2 f6-+) 18...d4 19.e4 (19.Rc2 e5 20.Rhc1 Rfe8-+) 19...e5 (better 19...f5 20.gf5 ef5-+) 20.h5 h6 (better 20...Bd7 21.h6 g6 22.Qb4-+) 21.g5 (21.Rg1 Rc7-+) 21...Qe6 (better 21...f5 22.Qb4 Qb4 23.ab4 Be4 24.gh6 Bf3 25.Kf3 e4 26.Kg2 ed3 27.hg7 Kg7-+) 22.gh6 gh6 23.Rg1 (23.Nh4 Kh7-+) 23...Kh7 24.Nh4 Bd7 (24...Rg8!? 25.Rg8 Rg8 26.Nf5-+) 25.Nf5 Rg8 26.Raa1 Bc5 27.Bc4?? (27.Rab1 Rg1 28.Rg1-+) 27...Qc4 28.Qd3 Qd3 29.Kd3 Bb5 (29...Bb5 30.Kd2 Rg1 31.Rg1 Ba3-+) 0-1. Darkseid (1760) - sam vimes (1975), ChessWorld.net, 2009. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Bd7)

6.Be2 a5=.

6.bc5 Bc5 7.c4 Bc6 8.d4 Bd6 9.c5 Be7 10.Bd3 Nbd7 11.0-0 b6 12.cb6 Nb6 (12...Qb6 13.Bc1=) 13.Nbd2 (13.Ne5 Bd7+=) 13...Qc7 14.Rc1 Qb8?? (better is 14...Qd6+=) 15.Rc6+– 0-0 16.Qc2 Bd6 17.h3 (17.e4 de4 18.Ne4 Ne4 19.Be4 h6+–) 17...Nfd7 (17...Rc8 18.Rc8 Qc8 19.Qc8 Rc8 20.Rc1+–) 18.Nb3 (18.Bh7 Kh8 19.Bd3 Rc8+–) 18...f5 (18...Nf6 19.Nc5+–) 19.Ne5! Ne5 (19...Be5 20.Re6 Pinning (20.Re6 Deflection); 19...Ne5 20.de5 Combination) 20.de5 Be5 21.Re6 Kh8 (21...Bb2 22.Qb2 f4+–) 22.Be5 Nd7 (22...Qb7+–) 23.Bb8 (23.Bb8 Rab8 24.Bf5+–) 1–0. Fournier,Frederic (1985) – ALEACION (1825), Echecs21, 2003.

6.bc5 Bc5 7.Bd3 =.

6.bc5 Bc5 7.Be2 =.

6.bc5 Bc5 7.Ne5 =.

6.c4 0-0 7.Nc3 a5 8.c5 Be7 9.Be2 ab4 10.ab4 Ra1 11.Qa1 b6 12.d4 Nc6 13.b5 Nb4 14.0-0 (14.Qc1 bc5 15.dc5 c6= (worse is 15...Bc5 16.Nd5 Ne4 17.Nc3+=)) 14...bc5+= 15.dc5 Bc5 16.Ba3? (better is 16.Rc1 Bd6 17.Na4+=) 16...Nc2–+ 17.Bc5 Na1 18.Bf8 Qf8 19.Ra1 Qc5 20.Na4 (20.Ra8 Be8 21.Na2 Kf8–+) 20...Qb4 21.Nd4 e5 22.Nc2 (22.Nf3–+) 22...Qd2 23.Bd1 Ne4 24.Nc5 (24.h4 Qf2 25.Kh2 Qh4 26.Kg1 Qf2 27.Kh1 Ng3 28.Kh2 Nf1 29.Kh1–+) 24…Qf2 (24...Qf2 25.Kh1 Qf1) 0–1. Fournier,Frederic – jlpg, Active, 2004.

6.c4 dc4 7.Bc4 0-0 8.d4 a6 9.Nc3 b5 10.Bb3 Re8 11.e4+= e5 12.Nd5 ed4 13.0-0 Ne4 14.Bd4 Bg4 15.h3 Bh5-/+ 16.Qd3 Nc6 17.a4? Bf3–+ 18.Qf3 Nd4 19.Qd3 Nb3 20.Rfe1 Na1 21.Ra1 c6 22.f3 cd5 23.fe4 de4 24.Qf1 Qb6 25.Kh1 e3 26.a5 Qd4 27.Rd1 Qe5 28.Qe2 Qh2# 0–1. DanielP4R – janbs, ChessWorld.net, 2004.

6.Be2 0-0 7.0-0 b6 8.c4 c5 9.bc5 bc5 10.d4 Qb6 11.Qc2 cd4 12.Bd4+= Bc5 13.Nbd2 Nc6? 14.Rfb1 Qc7?? 15.Bc5 Rfb8 16.Rb8 Nb8 17.Bd4 Qd8 18.cd5 ed5 19.Ne5 Nc6 20.Nc6 Bc6 21.Qc6 Rc8 22.Bf6 Rc6 23.Bd8 (23...Rc2 24.Rd1+–) 1–0. Chairboy – Reynier, ChessWorld.net, 2004.

6.Be2 Nc6 7.0-0 e5 (7...a6 8.d3=) 8.d3 (better is 8.b5!? Na5 9.Be5+/–) 8...0-0 9.Nbd2 Ne7? (better is 9...Re8!?=) 10.Ne5 a5 11.Nd7 Qd7 12.ba5 (12.Bf6 gf6 13.c3 Qc6+–) 12...Ra5 13.Qc1 (13.c4 Nf5 14.Bf6 gf6 15.cd5 Ne7+–) 13...Rfa8 14.d4 (14.Bf6 gf6 15.Qb2 Qc6+/–) 14...Ng6 (14...b5!?+=) 15.c4+/– b6 16.cd5 Nd5 17.Nc4 R5a7 18.Nd6 Qd6 19.e4 Ndf4 20.Bf3 Nh4 21.g3?? Nf3 22.Kh1 Nd3 23.Qc3 Nb2 24.Qb2 Qd4 25.Qd4 Nd4 26.Rfd1 Nb3 27.Ra2 h6 28.Rc2 Nc5 29.f3 Ra3 30.Kg2 Ra2 31.Ra2 Ra2 32.Kf1 Rh2 33.Rd8 Kh7 34.Rc8 Ne6 35.Ra8 Rb2 36.Ra3 c5 37.Ke1 b5 38.Kd1 b4 39.Rd3 c4 40.Kc1 c3 41.Re3 Rg2 42.f4 Nc5 (42...Nc5 43.Kd1 Nb3 44.Re2 Rg1 45.Re1 Re1 46.Ke1 c2 47.Kf2 c1Q 48.g4 Qf4 49.Kg2 Qg4 50.Kf2 Qf4 51.Kg2 Qe4 52.Kf2 Nd2 53.Kg1 Qe2 54.Kh1 b3 55.Kg1 Nf3 56.Kh1 Qf1#; 42...Nd4 43.Kd1 c2 44.Kc1 Rg1 45.Re1 Re1 46.Kd2 c1Q 47.Kd3 Rd1#) 0–1. Rummer,Baerbel – Kopp,Nico, GER–ch U12, 2004.

6.c4 0-0 7.Qc2 a5 =.

6.c4 0-0 7.Qc2 dc4 8.Bc4 Bc6 =.

6.c4 0-0 7.Nc3 a6 (7...c6 8.d4=) 8.c5 (8.d4 a5 9.b5 c6=) 8...b6 (8...Nc6 9.d4+=) 9.d4 Nc6 (9...Re8 10.Bd3+=) 10.Bd3+= bc5 11.dc5 (11.bc5 Ra7+=) 11...e5= 12.Bc2 (12.Be2 Bf5=) 12...Bg4 (12...e4 13.Nd2=) 13.Ne2 (13.h3 Bf3 14.Qf3 e4+/–) 13...Bf3 (13...e4!? 14.Nd2 a5=) 14.gf3+= g6 (14...Ra7 15.Ba4 Qa8 16.Ng3+=) 15.f4 (15.Ba4!? Na7 16.Be5+/–) 15...e4+= 16.Rg1 (better is 16.f5+=) 16...Nh5? (16...Rb8 17.f5+=) 17.f5 (better is 17.Ba4 Na7 18.Nd4+–) 17...Bf6= 18.Bd4 Bh4 19.Bb2 g5?? 20.Ng3+– (20...Ng7 21.Nh5+–) 1–0. kiloracer (2180) – richgrady (2210), net–chess.com, 2007.

6.c4 0-0 7.h4 c5 8.b5 Ne4 9.d3 Bf6 10.Be5 (better is 10.de4 Bb2 11.Ra2 de4 12.Ng5 Qa5 13.Nd2=) 10...Be5–+ 11.Ne5 Nf2! 12.Kf2 Qf6 13.Kg1? (better is 13.Qf3 Qe5 14.Ra2–+) 13...Qe5 14.Nd2 Qe3 15.Kh2 b6 16.g3 a6 17.Nf3 ab5 18.cd5 ed5 19.Bg2 Bf5 20.Ng5 Qd3 21.Qd3 Bd3 22.Bd5 Ra7 23.Rhe1 Bc4 24.Be4 f5 25.Bc2 (25.Bg2 h6 26.Nh3 Kf7–+) 25...Nc6 26.g4 h6 (26...fg4?! 27.Bh7 Kh8 28.Kg3–+) 27.Nf3 (27.Ne6 Be6 28.Re6–+) 27...fg4 28.Be4 gf3 29.Bc6 f2 30.Rf1 Bf1 (30...Rf6!? 31.Be4 Ra4 32.h5–+) 31.Rf1 Ra3 32.Bb5 Re3 33.Kg2 Re1 (better is 33...Ref3 34.Bc4 Kh8 35.Bb5–+) 34.Rf2 Rf2 35.Kf2 Re7 36.Kg3 Kf7 37.Kg4 Ke6 38.Kh5 Kd5 0–1. Wagner,Jean Philippe (1720) – Dorval,Olivier (1890), Champs sur Marne op, 2005.

6.c4 b6 7.b5 (7.Ne5 0-0=) 7...a6 8.a4 (8.Nc3 0-0=) 8...ab5 (8...0-0 9.Nc3=+) 9.cb5 0-0 10.Bd3 Be8 (10...c5 11.0-0=) 11.Ne5 (11.Qc2 c5=) 11...Bd6 (11...c5 12.0-0=) 12.Ng4 (12.Qc2 h6=) 12...Nbd7 (12...Nfd7 13.f4=+) 13.Qf3 (13.0-0 Ne4=) 13...Ng4 14.Qg4 Nf6 15.Qh3 (15.Qh4 e5=+) 15...h6 (15...e5 16.Bf5=+) 16.g4 (16.0-0 c5=+) 16...Nh7 (16...e5!?-/+) 17.f4= f6 (17...Bd7 18.0-0=+) 18.Rg1 (18.g5 fg5 19.Qe6 Bf7+=) 18...Bd7 (18...Qe7 19.Nc3=) 19.Qg2 (19.Nc3 Qe8=) 19...Qe7 (19...c5 20.g5 fg5 21.h4=) 20.h4= Rae8 (20...c5!?=) 21.Bg6+/– Rd8 22.Qh1 (better is 22.g5!? fg5 23.hg5+/–) 22...Be8+= 23.Bc2 Bd7? (better is 23...c5!?+=) 24.g5+– fg5 25.hg5 e5 26.gh6 Rf7 27.Bg6 ef4 28.Bf7 Kf8 29.hg7 Kf7 30.g8Q! Rg8 31.Qh7 Ke6 32.Qg8 Qf7+– 33.Qf7 Kf7 34.ef4 Bc5 35.d4 Bb4 36.Bc3 (36...Bd6 37.Bd2+–) 1–0. Lachnit,Manfred – Reich,Stefan, Baden–ch AT3, 2003.

6.c4 dc4 7.Bc4 b5 8.Bb3 0-0 9.0-0 c5 (9...a5 10.ba5 c5 11.d3=) 10.bc5 Bc5 11.Nc3 b4 (11...a6 12.d4 Be7 13.Ne5=) 12.ab4+= Bb4 13.Ne5 (13.Qe2 Qe7+=) 13...a5 (13...Nc6 14.d4+=) 14.Qf3 Ra7 (14...Na6 15.d4+=) 15.Nd7 (15.d3 Qe7+=) 15...Rd7 (15...Nbd7 16.Nb5 Ra6=) 16.Rfd1 (16.d4 Qc8 17.Ne4 Ne4 18.Qe4 Qb7+=) 16...Na6 (16...Rd2!? 17.Na2 Be7=) 17.d4 (17.Bc4 Qa8 18.Qg3 Bd6+/–) 17...Nc7 (17...Qa8 18.d5 Nc5 19.Bc4+=) 18.Ba4 Rd6 19.Ne2 (19.Rdc1 Rb6+=) 19...Qb8 (19...Qa8 20.Qg3+=) 20.Rab1 (20.e4!? Rb6 21.Nf4+/–) 20...Rb6= 21.Bc2 Ncd5 22.e4 Ne7 (22...Bd6 23.Ba3 Ba3 24.Qa3+=) 23.Qd3 (23.Bc1 Rc8 24.Bd3 Ng6+=) 23...Ng6= 24.e5 (24.h3 Rc8=) 24...Nd5 25.g3 (25.Qf3 Qb7=) 25...Rd8 (25...Rc8 26.Ba4+=) 26.h4 (26.Nc3 Nc3 27.Bc3 Rc8 28.Bb4 ab4=) 26...f5 (26...Nf8 27.Qf3=) 27.ef6 (27.h5 Nge7=) 27...Nf6 28.Qe3 (28.Nc3=) 28...Kh8 (28...Ne7 29.Nf4 Ned5 30.Nd5 ed5 31.Bc1+=) 29.Qg5 (29.Bg6!? hg6 30.Qd3+=) 29...Rd5 (29...Ne7 30.Nf4+=) 30.Qe3= Rdb5 (30...Ne7!?=) 31.Bd3+= Rd5 (31...Rh5 32.Bg6 Nd5 33.Bh5 Ne3 34.fe3=) 32.Bg6 hg6 33.Nf4 The isolani on e6 becomes a target 33...Qe8? (better is 33...Rdb5!? 34.Bc3 Nd5 35.Nd5 Rd5 36.Bb4 ab4+=) 34.Nd5+– Nd5 35.Qd3 (35.Qe2 Qf8+–) 35...Qf7 36.Kg2 (36.Rbc1 Qf5+–) 36...Rb8 (36...Kh7 37.Ra1+–) 37.Rh1 (37.Rdc1 Qf5 38.Qe2 Bc3 39.Bc3 Rb1 40.Rb1 Qb1 41.Ba5 Qa1+–) 37...Rf8+/– Threatening mate: Qxf2 38.Qe2 White plans h5 38...a4 39.h5 The mate threat is hxg6 39...g5 (39...Kg8 40.h6+/–) 40.h6 (40.Ra1 Bc3 41.Kg1 Bb2 42.Qb2 Qf3+–) 40...g6 (40...g4 41.hg7 Kg7 42.Qg4 Qg6 43.Rh4+–) 41.Bc1 (better is 41.Ra1 Ra8 42.h7+–) 41...Nc3?? (better is 41...Kh7 42.Bd2 Bc3+/–) 42.Qe5+– Kh7 43.Qg7! (43.Rb4?! Qf3 44.Kh2 Qh5 45.Kg1 Qd1 46.Kg2 Qf3 47.Kh2 Qh5 48.Kg1 Qd1 49.Kg2 Qf3=) 43...Qg7 44.hg7 Theme: Double Attack 44...Kg7 45.Rb4 Na2 (45...Kf6 46.Rc4 Nd5 47.Ra4+–) 46.Rb7 Kf6 47.Bb2 Rc8 (47...a3 48.Ba3 Rf7 49.Rf7 Kf7 50.Rh7 Ke8 51.Rc7+–) 48.d5 (48.g4 Nc1 49.d5 Rc3 50.Bc3 e5 51.Rh8 a3 52.Rf8) 48...e5 (48...Nc3 49.d6 e5+–) 49.Rhh7 a3 (49...g4 50.Rbf7 Kg5 51.Be5 Rc4 52.Bf4 Rf4 53.gf4) 50.Rbf7 1–0. Semenko,G – Hahn,R, Schloss Schney, 1994.

6.c4 dc4 7.Bc4 b5 8.Bd3 a5 =.

6.c4 dc4 7.Bc4 b5 8.Be2 a5 9.ba5 Ra5 10.Nc3 =.

6.c4 dc4 7.Bc4 b5 8.Be2 c5 9.bc5+= Bc5 10.d4 (10.Ne5 Bd6+=) 10...Be7 (10...Bd6 11.Ne5=) 11.0-0 0-0 12.Nbd2 (12.Ne5 a6+=) 12...Bc6 (12...a6 13.a4 ba4 14.Ba3=) 13.Bd3 (13.Ne5 a6=) 13...Nbd7 14.Bc2 (14.Qb1 Rc8=) 14...Rc8 15.e4 Qc7 16.h3 Qb7 17.Re1 Nb6 18.Qb1 g6 19.Re3 Rc7 20.Ne5 Rfc8 21.Nc6 Qc6 22.Bd3 Na4=+ 23.d5 ed5 24.Be5 Qc1 25.Nf1 Qb1-/+ 26.Rb1 Rb7 27.Bf6 Bf6=+ 28.ed5 a6 29.Ng3 Rd8 30.Ne4 Bg7 31.d6 f5=+ 32.Ng3 Rbd7 33.Bb5 ab5 34.Rb5 f4 35.Re7 fg3 36.fg3 Rd6 37.Rbb7 Bd4 38.Kf1 h5 39.Re4 Nc5 (40.Rd4 Rd4–+) 0–1. Vaast,Jean – Oster,Jean_Marie (1670), Sainte Marie FRA, Open, 2005.

6.Be2 0-0 =.

6.Be2 a5 7.b5 0-0 =.

5.Nc3 Be7 6.e3 a6 7.Be2 0-0 8.0-0 c5 9.b5 c4 10.d3 ab5 11.Nb5 Nb6 12.Be5 Qd7 13.Nfd4 Ne8 14.Bg4 Bd6 15.Nd6+= Nd6 16.Rb1 Qd8 17.Qf3 Ra3?? 18.Bd6+– Ra8 19.Bf8 Kf8 20.Ne6 Be6 21.Be6 (21...Qf6 22.Bd5 Nd5 23.Qd5 cd3 24.Qd3+–) 1–0. jaskier (2140) – alexkli, internet, 2007.

5.c4 dc4 6.e3 a5 (6...b5 7.Nd4 c6 8.Nc6=) 7.ba5 (7.b5 Nb6=) 7...Nc5 (7...Ra5 8.Bc3 Rc5 9.Bb4=+) 8.Bc4= Nd3 9.Bd3 Qd3 10.Bc3 (10.Be5 c6=) 10...Bd6 (10...Nd5 11.Ne5 Qe4 12.Nf3=+) 11.Qe2 Qe2 12.Ke2 Nd5 (12...Bd7 13.d3=) 13.Bg7 (13.Rc1 Bd7=) 13...Rg8 14.Be5 Be5 15.Ne5 Rg2 (15...Ra5 16.d4+=) 16.Nc4 (16.d4 f6 17.Nc4 e5 18.de5 fe5 19.Ne5 Ra5=) 16...Ke7 (16...Bd7 17.d3=) 17.e4+= Nf6 (17...Rg4 18.d3 (worse 18.ed5 Rc4 19.de6 Be6=+) 18...Nf4 19.Kf3+=) 18.Nc3+– Bd7 19.Rag1 Rg6 (19...Rag8 20.Rg2 Rg2 21.Kf3+=) 20.f3 Ne8 21.Rb1 Bc6 (21...Ra7 22.d4+=) 22.Nb5 (22.d4 Nd6 23.Ne5 Rg2 24.Kd3 Ra5 25.Nc6 bc6+=) 22...Rg2+= 23.Ke3 Nd6 24.Nbd6 cd6 25.Rb6 (25.d4 d5 26.ed5 ed5=) 25...f6 26.a6 (26.Rb2 d5 27.ed5 ed5=) 26...Ra6 27.Ra6 ba6 28.h4 (28.Nb6 Bb5=) 28...Bb5=+ 29.Rc1 d5 30.ed5 ed5 31.Nb6 Ke6 (31...Re2 32.Kf4 Rd2 33.Rc7 Ke6 34.Rh7=+) 32.a4 Re2 (32...d4 33.Kd4 Rd2 34.Kc3=) 33.Kf4+= Be8 ½–½. Pesotskyi,Vitalii (2280) – Nikolaev,Leonid (2330), 8th V. Nabokov Memorial – IM, 2010. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 Nbd7)

5.c4 c5 6.bc5 '=' 6...Nc5 7.Nc3 (7.e3 Be7=) 7...Nce4 (7...dc4 8.e3+=) 8.cd5 '=' 8...Qb6 (8...Nc3!? must definitely be considered 9.Bc3 Qd5=) 9.Ne4 '+/–' 9...Ne4 'Black has a mate threat' 10.Qa4 (10.Bd4!? Bc5 11.de6 Be6 12.Qa4 Bd7 13.Qc2+/–) 10...Bd7 '=' 'Black threatens to win material: Bd7xa4' 11.Qe4 Qb2 'Black has a mate threat' 12.Qe5 'White threatens to win material: Qe5xb2' (12.Rd1 f5 13.Qd3 Qa3=) 12...Ba3 '=/+' 13.Qb2 Bb2 'Black has new passed pawns: a7+b7' 14.Rb1 'White threatens to win material: Rb1xb2' 14...Bf6 15.e4 (15.de6 Be6 16.Rb7 0-0+=) 15...ed5 16.Bb5 '??' (better is 16.e5 is a viable option 16...Bd8 17.Rb7-/+) 16...Bb5 (16...de4!? might be the shorter path 17.Ng1 a5 18.Bd7 Kd7 19.Rb7 Ke6 20.Rb6 Kd5 21.Rb5 Kc6 22.Rb1–+) 17.Rb5 de4 18.Ne5 a6 19.Rd5 g6 20.0-0 Bg7 21.f3 ef3 22.Rf3 0-0 23.Nd7 Rfd8 24.Rfd3 Kh8 25.Nc5 Rd5 26.Rd5 b5 27.Na6 Ra6 28.Rd8 '-/+' 28...Bf8 '!' 'Black has managed to stay ahead' 29.Rf8 Kg7 30.Rb8 Rd6 31.h4 Rd2 32.Rb5 '-/+' 32...h5 33.Kh2 Rd4 34.Kh3 Rg4 35.Rg5 '??' 'cause more grief' 35...Rg5 36.hg5 f6 37.gf6 '=' 37...Kf6 ½–½. Rincon Zapatero,F – Ortega Lozano,MA, Valladolid CC Social, 1983.

5.d3 c5 6.bc5 Bc5 7.e3 Qb6 8.Qc1 0-0 9.c4 e5 10.cd5 Nd5 11.Nc3 Nc3 12.Bc3 Re8 13.Qb2 Qh6 14.d4 ed4 15.Bd4 b6 16.Rd1 Rb8 17.Bb5 a6 18.Bd7 Bd7 19.Bg7 Re3 20.fe3 Qe3 21.Qe2 Qe2 22.Ke2 Bb5 23.Kd2 Kg7 24.Kc3 Ba3-/+ 25.Kb3 Bc5 26.Nd4 Bd7 27.Rhf1 Kf8 28.Rd2 Re8 29.Kb2 Bc8 30.g3 a5 31.Ra1 Kg7 32.Nb5 Re3 33.Nc3 Bb4 34.Rc2 Be6 35.Rd1 a4 36.Ra1 b5! 37.Nb5 a3! 38.Ra3 Ba3 39.Na3 Rb3 40.Ka2 Rg3 41.Kb2 Rb3 42.Ka2 Kg6 43.Rc1 Rh3 44.Kb2 Rh2 45.Kc3 Rh3 (46.Kb4 Rb3 47.Ka4 h5–+) 0–1. Schulz,Hans_Juergen – Wrede,Christian, TT–11 ETC, 2004.

5.d3 Be7 6.Nbd2 c5 7.b5 Qa5-/+ 8.c4 d4 9.g3= 0-0 10.Bg2 Re8 11.0-0 Bd6 12.Ng5 Qc7 13.Nge4 Bf8 14.e3+= e5 15.Re1 Qd8 16.Qf3 Rb8 17.a4 a5 18.Re2 b6 19.g4 Bb7= 20.Rae1 Ne4 21.Ne4 Re6 22.Qg3 Ba8 23.f4 ef4 24.ef4+= Be4 25.Be4 Bd6 26.Bc1 Nf6 27.Bc6+/– Re2 28.Re2 Qc7 29.Qf3 Nd7 30.h4 Rf8 31.g5 Kh8 32.Bd2 f5 33.h5 Nb8? 34.Bd5+– Rd8 35.Be6 Rf8 36.Kg2 Nd7 37.Qd5 Nb8 38.Bf5 Bf4+/– 39.Qe4 Bd2 40.Rd2 Qf7 41.Rf2+– Qh5? 42.Qe7 Qe8 43.Re2 Qd8 44.Kh3 1–0. Valenta,Vit jr (2240) – Senkyr,Vladimir (2190), Open, Marianske Lazne CZE, 2007.

5.d4 a5!? =+.

5.d4 c6 6.e3= Qc7 7.Nc3 Bd6=+ 8.Bd3 0-0 9.0-0 Re8 10.Re1 e5 11.de5 Ne5 12.h3 Nf3 13.Qf3 Be5 14.e4= de4 15.Ne4+/– Bb2?? 16.Nf6+– gf6 17.Re8 Kg7 18.Rae1 Be6 19.R1e6 fe6 20.Qg4 Kh6 21.Qh4 Kg7 22.Qh7# 1–0. pierre – rxnw, internet, 2010.

5.d4 h6 6.e3 c6 7.Bd3 a5 8.ba5 Qa5 9.c3 Qb6 10.Qc2= Ne4 11.0-0 Bd6 12.Nbd2 Ndf6 13.Rfb1 Ng5 14.Bc1 Qc7= 15.g3 e5 16.de5 Be5 17.Ne5 Qe5 18.Nf1?? Nh3?? 19.Kg2=+ Ng4 20.f4 Qh5 21.e4 Nhf2 22.h4 0-0-/+ 23.Be3 de4 24.Be4? Ne4 25.Qe4 Be6 26.Qd4 Bd5 27.Kg1 b5 28.Re1 Rfe8 29.Bf2? g5 30.fg5 hg5 31.Nh2? Nh2–+ 32.Kh2 Qf3 33.Rg1 Re2 34.Raf1 Ra3 35.Rg2 Qg2# 0–1. macedon (2065) – dennism (2100), net–chess.com, 2008.

5.e3 h6 6.d3 Bd6 7.c4 c6 8.cd5 cd5 9.d4 Ne4 10.Ne5 Ne5 11.de5+= Bc7 12.Nd2 Nd2= 13.Qd2 Qg5 14.g3 Be5 15.Be5 Qe5=+ 16.Rc1 0-0 17.f4 Qe4 18.Bg2 Qg6 19.0-0 b6 20.Rc7 Ba6 21.Rfc1 Rac8 22.Rc8 Rc8 23.Bf1 Rc1-/+ 24.Qc1 Bf1 25.Qc8 Kh7–+ 26.Kf1 Qb1 27.Kg2 Qb2 28.Kh3 Qa3 29.Qc7 Kg6 30.Qc2 f5 31.g4 Qe3 32.Kg2 Qe4 33.Kg3 Qc2 34.gf5 ef5 35.b5 Qb3 36.Kh4 Qb5 37.h3 a5 38.Kg3 a4 39.Kh4 a3–+ 40.Kg3 a2 41.Kh4 a1Q 42.Kg3 d4 43.Kh4 Qe1# 0–1. Nautiluschess – scaccomatte, ICS blitz, 2001.

5.Ne5 b6?? 6.Nc6+– Ba6 7.Nd8 Rd8 8.d3 c5 9.Bf6 gf6 10.c3 Bb5 11.g3 Bd6 12.Bg2 Be5 13.f4 Bc7 14.0-0 h5 15.a4 Bc6 16.b5 Bb7 17.c4 f5 18.cd5 ed5 19.Qb3 Nf6 20.Nc3 h4 21.Rfe1 (21.e3 hg3 22.hg3 Rd7+–) 21...Kf8 (21...hg3 22.hg3 Rg8 23.e4 de4 24.de4 Rg3 25.Kf1 (25.ef5?! Kf8 26.Ra2 Rdd3+–) 25...fe4 26.Qc2+–) 22.e4 hg3 23.hg3 fe4 24.de4 d4 (24...Rg8 25.Nd5 Nd5 26.ed5 Bf4 27.Qf3+–) 25.Nd5 Bd5 26.ed5 Ng4 27.d6! Rd6 (27...Bd6 28.Bd5 Combination; 27...Rd6 28.Bc6 Combination) 28.Qf3 (28.Qf3 Ne3 29.Qb7+–) 1–0. Urgelles Paumier,A – Jimenez Delgado,N, 3689 J.R. Capablanca IM /2000 G–2, 2002.

5.Ne5 Bd6 6.d4 0-0 =+.

5.g3 c6 6.Bg2 Bd6 7.0-0 0-0 8.d3 e5 9.Nbd2 e4 10.Ne1 ed3 11.Nd3 Re8 12.c4 Qe7 13.c5 Bc7 14.e3 Ne5 15.Qc2 Bf5=+ 16.e4 de4 17.Ne5 Be5 18.Be5 Qe5 19.Rae1?? e3!–+ 20.Ne4 ef2 21.Rf2 Ne4 22.Rfe2? Qd4 23.Re3 Ng3 24.Qd2 Re3 25.Qd4 Re1 26.Kf2 Rae8 27.Kg3 R1e3 28.Bf3 h6 29.a4 R8e4 30.Qd8 Kh7 31.Kf2 Re7 32.Qd4 Bc2 33.a5 Ba4 34.Bh5 Bb3 35.Bf3 Bc2 36.Qc4? Bb3 37.Qf4?? Bc2?? 38.Kg3?? Bd1–+ 39.Kf2 Rf3 40.Qf3 Bf3 41.Kf3 g5 (42.Kg4 Re4 43.Kf5 Rb4–+; 41...f5 42.h4–+) 0–1. carlosfandangos – Bull_Dog_Baz, ChessWorld.net, 2007.

5.g3 Bd6 6.Bg2 0-0 7.Nc3 Ne5 (7...a5 8.b5=+) 8.d3 (8.Ne5 Be5 9.f4 Bd6=) 8...Qe7 (8...Nf3 9.Bf3 c6 10.0-0-/+) 9.Qd2 (9.Ne5 Be5 10.f4 Bd6=) 9...b6 (9...Nf3 10.Bf3 c6 11.0-0=+) 10.h4 (10.Ne5 Be5 11.Qg5 Bd6=) 10...Bb7 11.Ne5 Be5 12.0-0-0 (better 12.f4 Bd4 13.e3 Be3 14.Qe3=+) 12...d4?? (better 12...c5 13.Qg5 cb4 14.ab4 Bd6-/+) 13.Bb7+/- dc3 14.Bc3 Bc3 15.Qc3 Rab8 16.Bf3 Rfc8 17.d4 (17.h5 h6+/-) 17...Nd5 (17...c5 18.e4=) 18.Bd5 (18.Qd2 c5 19.e4 Nc7 20.bc5 Nb5+=) 18...ed5= 19.Rhe1 Qd7 (19...c5!?=) 20.e4+/- de4 21.Re4 Re8 22.Rde1 Re4 23.Re4 Rc8 24.Qe3 h6 25.c3 (25.Re7!? Qd8 26.Qe4+/-) 25...Qa4 26.Kb2 a5 27.d5 (27.Re7!?+/-) 27...ab4= 28.Rb4 Qd7 29.c4 Re8 30.Qd2 Qe7 31.Kc3 (better 31.Rb3=) 31...Qe2?? (31...Qf6 32.Kc2=+) 32.Rb2?? (32.Qe2 Re2 33.Rb2 Re1+-) 32...Qd2 (better 32...Qe4=) 33.Rd2+- Kf8 34.Kd4 Ke7? (better 34...f5+-) 35.Re2 Kd7 36.Re8 Ke8 37.Ke5 (37.c5 bc5 38.Kc5 Kd7+-) 37...Ke7 38.f4 f6 (38...h5 39.f5+-) 39.Ke4 (39.Kf5 Kd6 40.Kg6 Kc5 41.Kg7 Kc4 42.Kf6 Kd5+-) 39...Kd6 40.Kd4 g6 (40...h5 41.f5 c6 42.a4 c5 43.Ke4+-) 41.g4 g5 (41...Kd7+-) 42.fg5 fg5 43.hg5 hg5 44.a4 Kd7 (44...c6 45.Ke4 cd5 46.cd5+-) 45.Ke5 c6 (45...Ke7+-) 46.d6 c5 47.Kd5 Kd8 48.Kc6 Kc8 49.Kb6 (49.d7 Kd8 50.Kd6 b5 51.a5 bc4 52.a6 c3 53.a7 c2 54.a8Q) 49...Kd7+- 50.Kc5 Kd8 51.Kd5 (51.Kd5 Ke8 52.c5 Kf7 53.c6 Ke8 54.a5 Kf7 55.Ke5 Kg6 56.c7 Kf7 57.d7 Ke7 58.d8Q Kf7 59.Qf6 Kg8 60.c8Q Kh7 61.Qch8) 1-0. Jimmi73 – Capcot, Rated Blitz game, lichess.org, 2020.

6.Nbd2= Bb7 7.e3 Bd6 8.c4 c5 9.Qb3 0-0=+ 10.Be2 Rc8 11.0-0= Bb8 12.Rfc1 Qe7 13.Nf1 dc4 14.dc4 Ne4 15.Rd1 Rfd8 16.b5 Ng5 17.Ng5 Qg5 18.f3 Nf8 19.Qc3 f6 20.Qe1 Ng6 21.Qf2 f5 22.f4+= Qe7 23.Ng3 Rd1 24.Rd1 Rf8 25.Nh5 e5 26.Bf3 Bf3 27.Qf3 Re8 28.Qd5 Kf8 29.Qd7 Qf7 30.Rd5?? Ne7-/+ 31.Rd2 Qh5–+ 32.Rf2 Qh6 33.g3 Qd6 34.Rd2 Qd7 35.Rd7 Ng6 36.Kf2 h6 37.a4 h5 38.h4 Kg8 39.Bc3 Kf8?? 40.a5?? ba5–+ 41.Ba5 ef4 42.ef4 Ne7 43.Bc7 Bc7 44.Rc7 Ra8 45.Ke3 Ke8 46.Rc5-/+ Rc8 47.Kd4 Rc5 48.Kc5 Kd7 49.Kd4 Kd6 50.c5 Ke6 51.b6 Nc6–+ 52.Kc4 a6 53.b7 g6 54.Kc3 Kd5 55.Kb3? Kc5 56.Kc3? a5 57.Kb3 Kb6 (58.b8Q Nb8–+) 0–1. Amor Alcaide,M (2115) – Riera Sola,M (2050), La Pobla de Lillet op, 2003.

6.e4 de4 7.de4 Ne4 8.Bb5 Nd6 9.Bc6 Bb7 10.Bb7 Nb7 11.Nbd2 c5 12.0-0 Rc8 13.Ne4 h6 (13...b5 14.Qd3 Qb6 15.Rfd1=) 14.Qe2 (14.b5 Qc7=) 14...c4 (14...cb4 15.ab4 Qc7 16.Ra7 Qc2 17.Qc2 Rc2 18.Bc3+=) 15.Bc3 Qc7 16.Rfd1 Rd8 17.Rd7 (better is 17.a4=) 17...Rd7-/+ 18.Ne5 Rd8 19.Nc4 Qf4 (19...Rc8 20.Ned2-/+) 20.Be5 Qf5 21.g4 Qg6 22.Bc7 Rd4 23.f3 (better is 23.Re1 Qe4 24.Qe4 Re4 25.Re4+=) 23...Be7?? (better is 23...f6 24.c3 Rd5+=) 24.Ne5+/– Qh7 25.Qb5 Kf8 26.Nd7 Kg8 27.Qc6 Nd8 28.Bd8 Bd8 29.Qc8 f6 (29...Rd7 30.Qd7 Qg6 31.Qd8 Kh7 32.Qe7+–) 30.Qd8 Kf7 31.Qc7 Kg6 32.Ne5! fe5 33.Qe5 Re4 34.Qe4 Kf7 35.Qf4 Ke7 36.Qc7 Kf6 37.Rd1 Rf8 38.Rd7 Qg8 39.h4 Rc8?? 40.Qf4 Kg6 41.Qe4 Kf6 42.h5 Kg5 43.Qe5 Kh4 44.Rg7 (44.Rg7 Qg7 45.Qg7 Rc2 46.Qg6+–; 44.Rd2 Rc2 45.Rc2 Qf7 46.Rh2) 1–0. Raddatz,Uwe (1900) – Soelker,Norbert (1770), Muensterland Verbandsliga, 2004. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Nbd7 5.d3)

6.e4 de4 7.de4 Ne4 8.Bg7 Rg8 =.

6.e4 e5 7.ed5 =.

6.g3 c5 7.bc5 Bc5 8.e3 +=.

6.g3 e5 7.Bg2 c6 (7...a5 8.0-0+=) 8.c4 d4 (8...0-0 9.0-0+=) 9.0-0= c5 10.Nbd2 (better is 10.bc5 Bc5 11.Nbd2=) 10...b6?? (better is 10...0-0+=) 11.Nd4+– ed4 12.Ba8 1–0. Wall,Bill – Jesus, chess.com, 2010.

6.b5 Bb7 7.e3= Rc8 8.Nbd2 c5 9.bc6 Bc6 10.c4 Be7 11.Bd3 0-0 12.cd5 Bd5 13.e4 Bb7 14.Qe2 Rc7 15.h4 h5 16.Ng5 Ng4 17.f3 Bg5?? 18.hg5+– Qg5 19.fg4 hg4 20.Qf2 f5 21.ef5 Bd5 22.Qg3 Rc6 23.Ne4 Qe7 24.f6 Nf6 25.Nf6 Qf6 26.Bh7 Kh8 27.Qh4 g5? 28.Qg3 Kg7 29.Bd3 Rh8? 30.Rh8 Kh8 31.Qb8 Kg7 32.Qa7 Kh6 33.Qh7# 1–0. Bienaime,Pierre – Flamant,J, 24th Open, Bethune FRA, 2003. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Nbd7)

6.e3 c5 7.bc5 bc5 8.c4 Opening the b-file gets Black a lot of play 8...Rb8 9.Qc2 Ba6 10.Nbd2 Bd6 11.Be2 (11.dc5 Bc5 12.Ne5 Rc8+=) 11...0-0 12.0-0 (12.Rc1 Qe7=+) 12...cd4=+ Black gets the initiative 13.Nd4 (13.Bd4 e5 14.Bc3 Rc8=+) 13...Qc7-/+ 14.g3 (14.N4f3 e5-/+) 14...Ne5 15.c5 (15.N4f3!? Nf3 16.Nf3 Bc4 17.Bf6 gf6 18.Rfc1-/+) 15...Qc5-+ 16.Qc5 Bc5 17.Ba6 (17.N4b3 Nc4 18.Nc5 Nd2 19.Ba6 Rb2-/+) 17...Rb2 18.N4b3 (18.N2b3 Bd6-+) 18...Bd6 19.f4 (better 19.Rfb1 Rb1 20.Nb1 Nf3 21.Kg2-+) 19...Neg4 20.Rfe1 Ne4 (20...Rb8 21.h3 Nf2 22.Reb1 Nh3 23.Kf1 Rb1 24.Rb1-+) 21.Ne4 de4 22.Nd4 (22.Na5 Bc5 (22...Rh2?! 23.Be2-/+) 23.Nc4 Rh2-+) 22...Bc5 (22...Rh2?! 23.Be2 Re2 24.Re2=+) 23.Rad1? (23.Rac1 Ba3 24.h3-+) 23...Ne3 (better 23...Ba3 24.h4 Bc5-+) 24.Re3-/+ Rd8 (better 24...Rb6!? 25.Rc3 Rb1 (worse 25...Ra6 26.Rc5 Ra3 27.Rc7+=) 26.Rb1 Bd4 27.Kf1 Bc3-/+) 25.Re4= f5 26.Re6 Bd4 (26...Rd4 27.Rd4 Bd4 28.Kh1=) 27.Kh1 Kf8 28.Ree1 (28.Rc6 Bb6 29.Rd8 Bd8=) 28...Ra2 (28...h6 29.Re2 Rb6 30.Bc4=) 29.Rd3 Bb6 30.Red1 Re8 31.Bc4 Rc2 32.Bb3 Rb2 33.R1d2 Rd2 34.Rd2 Re3 35.Rb2 ½-½. Scripcaru,George_Daniel (1795) - Popescu,Stefan_Claudiu (1985), CN Seniori, 2011.

6.Nbd2 Na4 7.Qc1 Nb2 8.Qb2 g6 9.e3 Bg7 10.Bd3 0-0 11.0-0 b6 12.Rfc1 Bb7 13.c4 dc4 14.Rc4 c5 15.bc5+/– Ba6 16.cb6 Bc4 17.Nc4 ab6 18.Qb6 Qe7 19.Nfe5 Nd5 20.Nc6 Qd7 21.Qc5 Rfc8= 22.N4e5 Be5 23.Ne5 Rc5 24.Nd7 Rc3 25.Bf1 Rca3 26.Ra3 Ra3 27.Ne5 Ra1 28.g3 Kg7 29.Kg2 Ra2 30.Kf3 Ra1 31.Bb5 Nf6 32.h4 h5 33.Nd3 Ra7 34.Nf4 Ng4 35.Bc4 Kf6 36.Nh3 Rc7 37.Bb3 Rc3 38.Ba4 Ra3 39.Bc6 Ra2 40.Ke4 Nf2–+ 41.Nf2 Rf2 42.d5 ed5 43.Bd5 Rb2 44.Kf4 Rb4 45.e4 Kg7 46.Bc6 f6 47.Be8 Kh6 48.Bd7 Rd4 49.Be6 Rd3 50.g4 g5 51.hg5 fg5 52.Ke5 h4 53.Bc4 Rg3 54.Kf5 Rf3 55.Ke6 h3 56.e5 Rf4 57.Bd5 Rg4 58.Kf7 Rf4 59.Ke7 h2 60.e6 Rf1 61.Ke8 h1Q 62.Bh1 Rh1 63.Kf7 Rf1 64.Kg8 Kg6 65.e7 Re1 (65...Re1 66.Kf8 g4–+) 0–1. Wehmeier,Sven (1715) – Schlagbaum,Christoph (1610), Muensterland Verbandsklasse–A, 2003.

6.e3 a5!? =.

6.e3 Nc4 7.Bc4+= dc4 8.Ne5 Qd5 9.0-0 b5 10.Nc3 Qb7 11.f3 Nd5 12.Qe1+= Qb6 13.Nd1 f6 14.Ng4 Bd7 15.e4 Nf4 16.Ngf2 Be7 17.g3 Ng6 18.Ne3 Bc6 19.Kg2 0-0 20.Rd1 a5 21.d5 Bb7 22.Bd4 c5 23.dc6 Qc6=+ 24.Bc3 f5 25.ba5 f4 26.Neg4 h5 27.Ne5+= Ne5 28.Be5 fg3 29.Nh3 gh2=+ 30.Qg3 Bf6 31.Bd6 Rfe8 32.Nf4 h4 33.Qg4 Qd7 34.Nh5 Qf7 35.e5 Bd8=+ 36.Rd4 Kh7 37.Kh2= g5 38.f4 Kg6 39.Qe2 Qh7 40.Nf6 Bf6 41.ef6 g4 42.Qg4 (The passed pawn on f6 will quickly become a dangerous weapon) 42...Kf7 43.Bb4 Rad8 44.Rfd1 Bd5 45.Qg7 Qg7 46.fg7 Kg7 47.f5 Ra8 48.Bc3 Kh6?? 49.Rg1 (49...Kh5 50.Kh3 Be4 51.Re4 ef5 52.Rh4; 49.Rh4?! Kg5 50.Kh3 Bg2 (50...Kf5 51.Rf1 Kg6 52.Rf6 Kg5 53.Rg4 Kh5 54.Rfg6 Bg2 55.Rg2 Ra5 56.R2g5) 51.Kg3 Rg8+–) 1–0. Mairal – Gravgaard, 1993.

6.Nbd2 0-0 7.c4 dc4 (7...a5 8.c5 Be7 9.b5=) 8.Nc4 Be7 9.e3 Re8 (9...b6 10.Bd3=) 10.Bd3+= b6 11.0-0 c5 12.dc5 bc5 13.b5 Bb7 14.Qe2 Nb6 15.Rfd1 Qc8 16.a4 (16.Bf6 gf6 17.Rd2 Nc4 18.Bc4 Qc7+/–) 16...Nc4 17.Bc4 a6 18.Ne5 ab5 19.Bb5 Ba6 20.Nc4 Bb5 21.ab5 Ra1 22.Ba1 Qb7 (22...Rd8!?+=) 23.Bf6+/– gf6 24.Nd6 (24.Na5 Qe4+/–) 24...Bd6+= 25.Rd6 Ra8 26.h3 (26.Rd1!?+=) 26...Ra1= 27.Kh2 Qc7 (27...Qb8 28.Qg4 Kf8 29.Qg3-/+) 28.Qg4 (better is 28.Qd3!?+=) 28...Kf8= 29.Qg3 (29.Qf4 Rb1 30.b6 Rb6 31.Rb6 Qb6 32.Qf6 Qd6 33.f4 Qd3=) 29...Rb1-/+ 30.Rc6 Qg3 31.Kg3 Rb5 32.Rc7 Kg7 33.f4 Kg6 ½–½. Dias,Sergio M (2125) – Andrade,Luciano Nilo (2000), Eliskases Memorial, 1999. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 Nbd7 5.d4 Bd6)

6.Nbd2 Nb6 7.e3 Na4 8.Qb1 Nb2 9.Qb2 0-0 10.c4 c6 (10...a5 11.c5 Be7 12.Bd3+=) 11.Bd3 Qe7 12.0-0 Re8 13.Rfe1 Bd7 14.Qc2 h6 15.Ne5 Rad8 16.f4 dc4 17.Ndc4 Bb8 18.Rac1 Bc8 19.Na5 Nd7 20.Qe2 (20.Nac6 bc6 21.Nc6 Qd6+/–) 20...Ne5+= 21.fe5 f6 22.Bb1 (better is 22.ef6!? gf6 23.Qf3+=) 22...fe5+= 23.Qc2 g5 (23...ed4 24.Qh7 Kf8 25.Rf1 Bf4 26.Rf4 Qf6 27.Rf6 gf6 28.Qh6 Kg8 29.Bh7 Kf7 30.Bg6 Ke7 31.Qg7 Kd6 32.Nc4 Kd5 33.e4 mate) 24.de5 Be5 25.Nc4 Bb8 26.Rcd1 Qg7 27.Ba2 Kh8 28.e4 e5 29.Ne3 Rd4 30.Nf5 Bf5 31.ef5 Red8 32.Rd4 ed4 33.Qd3 Be5 34.Bb1 Qf6 35.g3 Rc8 36.Qe4 Bd6 37.Qg4= Be5 38.Qh5 c5 39.bc5 Rc5 40.Qe8 Kg7 41.Ba2 h5+= 42.Qd7 Kh6 43.Bg8 g4 44.Qh7 Kg5 45.Bf7 Qh6 46.Qg8 Qg7 47.Qe8 d3 48.Bg6? Bd4–+ 49.Kf1? Re5 50.Qd8 Qf6 51.Qf6 ½–½. Chandler,Patrick (2190) – Meyer,Stefan (2080), Wiesbaden op, 1999. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 Nbd7 5.d4 Bd6)

6.e3 0-0 7.c4 b6 8.cd5 ed5 9.Be2 h6 10.0-0 Bb7 11.Nc3 a6 12.Rc1 Re8 13.h3 Ne4 14.Bd3 Rc8 15.Qb3 Ndf6 16.Qc2 Qd7 ½–½. Limbeck,DA – Lagunov,Anatoly V, CiF, 1989.

6.e3 a5 7.b5 Nb6 8.Nfd2 0-0 9.c4 dc4 10.Nc4 Bd7 11.Nb6 cb6 12.Nd2 a4 13.e4 Bf4 14.Bd3 Qe8 15.Qe2 Bd2 16.Kd2 Ra5 (Now all is on b5) 17.Bc3 Rb5 18.Bb5 Bb5 19.Qe3 Qc6 20.f3 Re8 21.Bb2 Bc4 22.Rac1+/– Qb5 23.Rc2 Bb3 24.Rc7 Rd8 25.Rhc1 Ne8 26.Rc8 Qd7 27.Qc3 Nd6 28.d5!+– Ne8 29.Rd8 (29...Qd8 30.Qc8 Qg5 31.Ke2 Bc4 32.Rc4 (32.Qc4?! Qg2 33.Kd1 Qb2+–) 32...Qg2 33.Ke3 Qg1 34.Kd2+–) 1–0. Baer,Werner – Schulz,Hans_Juergen, TT–11 ETC, 2004.

6.e3 Nb6 7.Nbd2 Na4 8.Qc1 a5 9.c3 0-0 10.Bd3 Bd7 11.0-0 b6 12.e4 de4 13.Ne4 Bc6 14.Re1 Ne4 15.Be4 Be4 16.Re4 ab4 17.ab4= Qf6 18.Qc2 Qf5=+ 19.Rae1 b5 20.Bc1 Nb6 21.Qe2 Ra1 22.Ne5 Nd5-/+ 23.Qd3 Ra2 24.Bd2 Rfa8 25.g4 Qf6 26.R4e2 h6 27.h3 R8a3 28.Qb5 Be5 29.de5 Qf3 30.Kh2?? Rc3!–+ 31.Bc3 Nf4 (32.Qc6 Qh3 33.Kg1 Re2 34.Ra1 Re5 35.Qf3 Qf3 36.Ra8 Qa8 37.f3 Qf3 38.Be5 Qg2#) 0–1. Frenzel,Lothar – Schueppel,Ralf, BdF, 2003.

6.e3 Nb6 7.Bd3 =.

6.e3 Qe7 7.h3 (7.c4 dc4 8.Bc4 a5=) 7...a5 8.c3 (8.Nbd2 b6=+) 8...e5-/+ 9.c4 dc4 (9...ab4 10.c5 Nc5 11.de5+– (11.dc5?! Bc5 12.Ne5 ba3+=)) 10.Bc4 ab4 (10...e4 11.Nfd2 ab4 12.ab4 Ra1 13.Ba1 Bb4-/+) 11.de5? (better 11.ab4!? Ra1 12.Ba1-/+) 11...Ne5–+ 12.Ne5 Be5 13.Qb3 0-0 14.0-0 Bb2 (14...b5!? 15.Bb5 Be6 16.Qc2–+) 15.Qb2 c6 (15...Bf5 16.Rc1–+) 16.Rd1 b5 17.Be2 Be6 18.ab4 Ra1 19.Qa1 Qb4 20.Bf3 Bd5 21.Nd2 c5 22.Bd5 Nd5 23.Nf3 Nc3 24.Rd3 Na4 (24...Ne4 25.Ne5 c4 26.Rd7–+) 25.Rd7 Qb3 26.Qe5 h6 27.Qc7 Qb1 28.Kh2 Qf5 29.Re7 b4 30.Qa5 (30.Qc6 Qf6 31.Qf6 gf6-/+) 30...Qf6–+ 31.Rc7 (better 31.Rd7 Nb6 32.Rd1–+) 31...Qd6 32.Kg1 b3 33.Rb7 Qd5 34.Rb5 Ra8 (34...Qd1 35.Kh2 b2 36.Nd2–+) 35.Qd2 Qc4 36.Rb7 b2 37.Qd7 (37.Kh2 Qa2 38.Qc2–+) 37...Qe6 38.Qb5 c4 39.Kh2 (39.Kf1 c3 40.Ne1 Kh8–+) 39...c3 40.Nd4 Qg6 41.Qb3 (41.Qd5 Ra7!! 42.Ra7 c2=) 41...Ra6 42.Rb8 Kh7 43.g3 (43.f4–+) 43...Nb6 44.Nc2 Qe4 45.h4 Ra1 (45...Ra1 46.g4 Rh1 47.Kg3 Rg1 48.Kh3 Qg2) 0–1. charmedones (2035) – aga2013 (1720), gameknot.com, 2014.

6.Nbd2 f5 7.c4 c6 8.c5 g6 9.Ne5 Ne5= 10.de5 a5 11.Ne4 fe4 12.Qd4 Bg7 13.g3 0-0 14.Qe3 Qe7 15.Bh3 b6 16.cb6+= (White fights for the initiative) 16...ab4 (The passed pawn on b6 quickly leads to threats) 17.0-0 b3 18.Bd4 b2 19.Ra2 Ra5 20.Rb2 c5 21.Qc3+– cd4 22.Qa5 Bb7? 23.f4 ef3 24.ef3 Be5 25.Qe1 Bd6 26.Qe6 Qe6 27.Be6 Kg7 28.Rb5 Ba3 29.Bd5 Rf5 30.Bc4 Rb5 31.Bb5 Bc5 32.Bd3 Kf6 33.Rc1 Bd6 34.Be4 Be4 35.fe4 d3 36.Rc6 (36...Ke7 37.b7+–) 1–0. Richter,Kurt – Rellstab,Ludwig, Swinemuende, 1931.

6.Nbd2 f5 7.c4 c6 8.e3 Bd6 9.Be2 0-0 10.0-0 Qf6 11.Ne1 (11.Qc2 Qh6+=) 11...f4 (11...Qh6!? 12.h3 g5=) 12.Ne4+= de4 13.ef4 Qf4 14.g3 Qg5 15.Ng2 Nf6 16.Bc1 Qg6 17.Be3 (17.Qb3 Qe8+=) 17...e5= 18.d5 (18.c5 Bc7=) 18...cd5+= 19.cd5 Bh3 20.Rc1 Ng4 (better is 20...Qf7=) 21.Bc5 (21.Bg4 Bg4 22.Qd2 Be7=) 21...Rad8?? (better is 21...Bc5 22.Rc5 Bg2 23.Bg4 Bf1 24.Be6 Kh8 25.Qf1 e3–+) 22.Qc2 (22.Bg4 Bg4 23.Qd2 Bf3=) 22...Bc5 23.bc5 (better is 23.Qc5 b6 24.Qc7=) 23...Bg2-/+ (23...Rd5 24.Bc4 Qf7 25.Rcd1+–) 24.Bg4 Bf1 25.Be6 Kh8 26.Rf1 Rf3 27.Qc4? (better is 27.h3-/+) 27...Rdf8–+ 28.c6 bc6?? (better is 28...Qf6 29.c7 Rf2 30.Rf2 Qf2 31.Kh1 Qf3 32.Kg1 Qe3 33.Kh1 b5 34.Qb5 Qc1 35.Kg2 Qc7–+) 29.dc6= R3f6?? 30.Bd7+/– e3 31.c7+– ef2? 32.Kg2 Qh5 33.Bg4 Rc6 34.Qc6 Qg4 35.Rf2 Rc8 36.Qd5 Qd4 37.Rd2 (37.Rd2 Qd5 38.Rd5+–) 1–0. Chandler,Patrick (2230) – Jakel,Wolfgang (2260), Oberliga Ost–B, 2010.

6.e3 a5 7.ba5 c5 8.c4 =.

6.e3 Bd6 7.Bd3 Ng5 8.0-0 e5 9.de5 Nf3= 10.Qf3 Ne5 11.Qe2 Bg4 12.f3 Nd3 13.Qd3 Bh5 14.Nd2 c6 15.f4 f6 16.Nf3 Qb6 17.Bd4 c5?? 18.bc5+– Bc5 19.Rfb1 Qc6 20.Bc5 Qc5 21.Rb5 Qc4?? 22.Rd5 Qd3+/– 23.cd3 Bg6 24.f5 Bh5 25.Nd4 0-0 26.Rd7 Rab8 27.Ne6 Bf7?? 28.Nf8 Kf8 29.Rb1 b6 30.Ra7 Bd5 31.Rd7 Bc6 32.Rd6 Ba4 33.Rdb6 Re8 34.Rb8 Bc2 35.Re8 Ke8 36.Rb7 Kf8 37.Rd7 Ba4 38.e4 Bd7+/– 39.Kf2 Ke7 40.Ke3 ½–½. mic (2130) – grahamtrue (2100), net–chess.com, 2008.

6.e3 0-0 7.c4 c6 8.Bd3 dc4=+ 9.Bc4 Nb6 10.Bd3 Nbd5 11.0-0 Nc7 12.Nbd2 a5 13.ba5 Ra5 14.Nc4 Rh5 15.Nfe5 Bd6? 16.Nd6+– Qd6 17.a4 Qd5 18.Qc2 Rg5 19.f4 Rh5 20.Ba3 Re8 21.Bc5 Ng4?? 22.Ng4 1–0. pierre – kiaa, internet, 2010.

6.e3 b6 7.Bd3 0-0 8.Nbd2 c5 9.c3 Qc7 10.0-0 e5 11.de5= Ne5 12.Ne5 Qe5 13.Nf3 Qh5 14.Be2 Bb7 15.Nd2 Qg6 16.Bf3 Rfd8 17.Rc1 Ne4 18.Qc2 Rac8 19.bc5 bc5 20.Rfd1 Bc6 21.g3 Bf6 22.Bg2 Qf5 23.Ne4 de4 24.c4 Bb2 25.Qb2 h6 26.Qc3 Ba4 27.Rd8+/– Rd8 28.Qa5 Rd1?? 29.Rd1+– Bd1 30.Qd8 (30...Kh7 31.Qd1+–) 1–0. Tschedemnig,Herbert – Mittelberger,Hermann, AUT–chT3, 1998.

6.e3 Ne4 7.Bd3 =.

6.b5 a4 7.Be2 Be7 (7...Bd6 8.Nd4=) 8.Ne5 (8.0-0 0-0=) 8...0-0 9.0-0 Ne5 10.Be5 Nd7 11.Bb2 Nc5 (11...Bd6 12.f4=) 12.d4 Ne4 13.Nd2 (13.c4 Bd7 14.c5 Bg5+=) 13...Nd6 14.Bd3 Bd7 15.Qe2 (15.c4 dc4 16.Nc4 Nb5=) 15...Qe8=+ 16.c4 (16.b6 cb6 17.e4 de4 18.Ne4 Bc6=+) 16...dc4 17.Nc4 Bb5 18.Nd6 (18.Qh5 f5 19.Qe8 Ne8=+ (worse 19...Rfe8 20.Nd6 Bd3 21.Ne8 Re8 22.Rfc1+=; worse 19...Rae8 20.Nd6 Bd3 21.Ne8 Bf1 22.Nc7=+)) 18...Bd3 19.Qd3 (19.Ne8 Be2 20.Nc7 Bf1 21.Na8 Bg2 22.Kg2 Ra8-/+) 19...Bd6-/+ 20.e4 Qd7 (20...Rd8 21.Qf3-/+) 21.Qc3 (21.Qf3 b5-/+) 21...Rfc8 (21...f5 22.d5 e5 23.Rfe1-/+) 22.f4 White plans e5 (22.Rfd1 f5=+) 22...f5-/+ 23.e5 (23.Rae1 b5-/+) 23...Bf8 (23...Be7 24.Rab1-/+) 24.Kh1 (24.Rac1 c5 25.dc5 Qb5-/+) 24...Ra6 25.Rad1 (25.Rab1 Rb6-/+) 25...Qd5 26.Qc2 (26.Rb1 Rb6-/+) 26...Rb6 27.Rf3 (27.Rf2 Rb3–+) 27...c5–+ 28.Ba1 (28.Rc3 Rb3–+) 28...Rb3 29.Rc3 Rd8 (29...c4 30.Bb2–+) 30.Rcd3 (30.Qc1 cd4 31.Rb3 Qb3–+ (31...ab3?! 32.Rd4 Qa5 33.h3–+)) 30...b5 (30...Qe4 31.Qc4 Rd3 32.Qd3 Qd3 33.Rd3–+) 31.Bb2 (31.Qd2 Qc4–+) 31...Qe4 32.h3 (32.Qb1 Rd3 33.Rd3 Qf4 34.dc5 Qe4–+) 32...c4 33.Rb3 (33.Rc3 Qc2 34.Rc2 Ba3 35.Ba3 Ra3 36.Kg1–+) 33…Qc2 (33...Qc2 34.Rf3 Qd1 35.Kh2 Qc2–+) 0–1. Macedo,A Soares De (1980) – Cavalcanti,F De Assis (2265), Campeonato Paraibano De Xadrez, 2009.

6.b5 c5 7.bc6 bc6 8.Nc3 e5 =+.

6.b5 c5 7.d3 Qc7 8.Nbd2 Bd6 9.c4 0-0 10.Be2 b6 11.0-0 Bb7 12.h3 Rad8 13.Rc1 Rfe8 14.Re1 Nf8 (14...e5 15.cd5 Bd5 16.Qa4+=) 15.Bf6+= gf6 16.Qa4 Ng6 17.cd5 ed5 18.Nd4 Kh8 19.Nf5 Bc8 20.Nd6 Qd6 21.Nf3 f5 22.Qb3 (22.h4!?+/–) 22...f4+= Black prepares d4 23.Qc3 Kg8 24.Bf1 (24.e4!?=) 24...fe3+= 25.Re3 (25.fe3 Bd7 26.a4 Re3 27.Re3 d4+=) 25...d4-/+ 26.Re8 Re8 27.Qd2 Qf4 28.Qf4 Nf4 29.Re1 Re1–+ 30.Ne1 Nd5 31.Nf3 Nc3 32.Ne5 Nb5 33.Nc4 Be6 34.Nb6 Na3 35.Na4 c4 36.dc4 Nc4 37.Bd3 Ne5 38.Bc2 d3 39.Bd1 Nc4 40.Kf1 Bd5 41.Nc3 Bc6 42.Ba4-/+ Ba4 43.Na4 Kg7 44.Ke1 Kf6 45.Nc5 d2 46.Kd1 Ke5 47.Nb3 a4 48.Nd2 Nd2 49.Kd2 Kd4 50.Kc2 Kc4 51.Kb2 Kd3 52.Ka3 Ke2 53.f4 Ke3 54.f5 Kf4 55.Ka4 Kf5 56.Kb4 Kf4 57.Kc4 Kg3 58.Kd4 Kg2 59.h4 Kg3 60.h5 Kg4 61.h6 Kg5 62.Ke4 Kh6 63.Kf5 Kg7 64.Kg5 f6 65.Kf5 Kf7 66.Kg4 Kg6 67.Kf4 f5 68.Kf3 Kg5 69.Kg3 f4 70.Kf3 Kf5 71.Kf2 Kg4 72.Kg2 f3 73.Kh2 Kf4 74.Kg1 Ke3 75.Kf1 f2 (75...f2 76.Kg2 h6 77.Kg3 f1Q 78.Kh2 h5 79.Kg3 Qg1 80.Kh3 Kf3 81.Kh4 Qg4 mate) 0–1. Blumenthal,Ralf – Andersen,Knut (2090), Sparkassen Open A, 2011.

6.b5 c5 7.Be2 Bd6 8.c4 dc4 9.a4 b6 10.Na3= Bb7 11.Nc4 Bc7 12.0-0 0-0 13.Nfe5 Ne5=+ 14.Ne5 Rc8 15.f4= Nd7 16.Nc4 Qe7 17.Bf3 Bd5 18.Ne5 Ne5 19.fe5 Bf3 20.Qf3 Rfd8 21.d4 cd4 22.ed4 Rd7 23.Rac1+= Rcd8 24.Rc4 Rd5 25.Rfc1 Bb8 26.Ba3 Qg5 27.Bb2 Qd2 28.Rf1+= f5 29.Bc1 Qa2 30.Qc3 Qe2 31.Bg5 Re8 32.Rc6 h6 33.Be3 g5 34.Re1 Qg4 35.Rb6 Ba7?! 36.h3 Qg3 37.Rc6 f4 38.Bf2 Qf2 39.Kf2 Bd4 Rd4+/– 41.Rb1 Ra4 42.b6 Rd4 43.b7+/– Rdd8 44.Rbc1 Kf7 45.Rc8 Rd2 46.Ke1 Rb2 47.Re8 (47.Re8 Rb7 48.Rec8+–) 1–0. Veszely,F – Lee,M, Vancouver op, 1988.

6.b5 Bc5 7.d4 Bd6 8.c4 dc4 9.Bc4 Nb6 10.Bd3 0-0 11.0-0 Nfd5 12.Nbd2 Qe7 (12...f5 13.Nc4+=) 13.g3 (13.Qc2 f5+=) 13...Bd7 (better 13...f5!?=) 14.e4+/- c5? (better 14...Qe8+/-) 15.ed5+- Nd5 16.Re1 b6 (16...Rfd8 17.Ne4+-) 17.Qe2 Rfe8 (17...cd4 18.Nd4 Rac8 19.Qg4+-) 18.Ne4 Bc7 19.Rac1 (19.dc5 bc5 20.Qc2 Rab8 21.Nc5 Bb5 22.Bh7 Kh8+-) 19...Rac8 (19...cd4 20.Nd4 Rac8 21.Qh5+-) 20.dc5 bc5 21.Nc5 f6 (21...Bf4 22.gf4 Rc5 23.Rc5 Qc5 24.Rc1+-) 22.Nd7 Qd7 23.Rc6 e5 (23...Bd6+-) 24.Bc4 Kh8 (24...e4 25.Nh4 Bb6 26.Qd2+-) 25.Rd1 Qg4 Black prepares e4 (25...Bd6 26.Bd5 Red8 27.Qd2+-) 26.Bd5 e4 (26...Qd7 27.Be4 Qg4 28.h3+-) 27.Nd4 Qg5 (27...Qe2 28.Ne2 Bb8 29.Be4+-) 28.Ne6 Re6 29.Be6 Re8 30.Rc7 e3 31.Qe3 Qe3 32.fe3 h5 (32...Rb8 33.Bf6! h6 34.Bg7 Kh7 35.Be5 Kg6 36.Rg7 Kh5 37.Bf7) 33.Bf5 (33.Bf5 h4 34.Rd4 Kg8 35.Rdd7 Kf8 36.Rf7 Kg8 37.Rg7 Kh8 38.Rg5 Re7 39.Bf6 Rg7 40.Rc8; 33.Bf6 Rf8 34.Bg7 Kh7 35.Bf8 Kg6 36.Rd6 Kf6 37.Rc5 a4 38.Bc4) 1-0. jhonores (2170) - kingboers (2150), Rated Blitz game, lichess.org, 2020.

6.b5 Nc5 7.a4 Bd6 8.Be2 0-0 9.0-0 c6 10.c4 Qe7 (10...dc4 11.Na3=) 11.d4+= Nce4 12.c5 Bb8 13.Nbd2 Nd2 14.Qd2 Ne4 15.Qc2 f6 16.Bd3 f5 17.Rab1 Bd7 18.Ba3 Be8 19.bc6 Bc6 20.Bb5 e5 21.de5 Be5 22.Ne5 Qe5 23.Bb2 Qe6 24.Bd4 h5 25.Bc6 (25.Be2 Qd7+/-) 25...bc6 26.Rb6 h4 27.h3 g5 28.Qe2 g4 29.hg4 fg4 30.Rb7 Rf7 31.Rf7 Kf7 32.Rb1 Qd7 33.f3 Ng3 (33...Ng5 34.fg4 Kg8 35.Qf2+/-) 34.Qf2 (34.Qd3 Qf5 35.Qf5 Nf5 36.fg4 Nd4 37.ed4 Rg8 38.Rf1 Kg7=) 34...Kg8 35.fg4 (better 35.Qc2 Qf7 36.Rb6=) 35...Rf8-+ (worse 35...Qg4 36.Qf6 Ne2 37.Kh1 Nd4 38.ed4+/- (38.Qd4?! Qd4 39.ed4 Re8=)) 36.Qc2?? (better 36.Qe1-+) 36...Qg4 37.Re1 h3 38.gh3 (38.Kh2 Ne4 39.Be5-+) 38...Ne2 39.Kh2 Qg3 40.Kh1 Qh3 0-1. Enkhtuul,A (2225) - Padmini,R (2370), Women's Speed Chess Q1, 2020.

6.b5 Be7 7.c4 0-0 8.d4 dc4 9.Bc4 a4 10.0-0 Nb6 11.Bd3 Bd7 12.Nbd2 (better 12.Ne5!?+=) 12...Qe8=+ 13.Qe2 Ra5 14.Rac1 Bb5 (14...Nfd5!?=+) 15.Rc7+= Bd3 16.Qd3 Nbd5 17.Rb7 (17.Rc2!?+=) 17...Qc6 18.Re7 Ne7 19.Bc3 Qb5 20.Qb5 Rb5 21.Bb4 Nfd5 22.Bc5 Re8 23.Nc4 Rbb8 24.Rc1 Nc8 25.Nfe5 Ncb6 (better 25...f6 26.Nc6 Rb5=) 26.Nd6+/- Rf8 27.g3 (27.Nc6 Ra8+/-) 27...h5 (better 27...f5!?+=) 28.Nc6+- Ra8 (28...f5 29.Nb8 Rb8 30.Rb1+-) 29.e4 g5 30.ed5 Nd5 31.Kf1 g4 32.Ke2 Ra6 33.Nb4 Nb4 34.Bb4 Rd8 35.Rc8?? (better 35.Nb5+-) 35...Rad6!-+ 36.Rd8 (36.Bd6 Rc8 Remove defender) 36...Rd8 37.Ke3 Rc8 38.f3?! (38.Bc5 Rb8-+) 38...gf3 (better 38...Rb8 39.Bc5 Rb3 40.Kf2 Rf3 41.Ke1 Rb3-+) 39.Kf3 Kg7 40.h3 Kg6 41.g4 (41.Bd6 Kf5 42.g4 hg4 43.hg4 Kg5 44.Bf4 Kg6-+) 41...hg4 42.hg4 Rc4 43.Ke4 (43.Bc5 e5! 44.Ke4 ed4 45.Bd4 Kg5-+) 43...Rc2 (better 43...Rb4 44.Ke5 Kg5-+) 44.Be7 Rg2 45.d5 (45.Kf4 f6-+) 45...Rg4 46.Ke5 ed5 47.Kd5 Rg3 (47...f5 48.Bf8-+) 48.Kc4 (48.Ke4 f5 49.Kf4 Rc3-+) 48...Rb3 49.Bb4 (49.Bd6 Kg5-+) 49...f5 50.Kb5 (50.Bd6 Kg5-+) 50...Rb1 (better 50...Rb4 51.Kb4 f4-+) 51.Ka4 f4 52.Kb5 (52.Bc5-+) 52...f3 53.Kc6 f2 54.Bc5 f1Q (54...f1Q 55.Bd4 Qc4 56.Bc5 Rb5 57.Kd7 Qc5 58.Ke8 Qd6 59.a4 Re5) 0-1. jhonores (2185) - Anrope70 (2235), Rated Blitz game, lichess.org, 2020.

6.b5 Be7 7.c4 0-0 8.Be2 dc4 9.Bc4 Nb6 10.Be2 c5 11.0-0 Bd7 12.Qc2 Rc8 13.d3 c4 14.dc4 Bb5 15.Nbd2 Ba6 16.Rfd1 Qc7 17.Be5 Qc6 18.Rab1 Bc4 19.Nc4 Nc4 20.Bc4 Qc4 21.Qc4 Rc4 22.Rb7 Ba3 23.Bf6 gf6 24.g3 Bb4 25.Ra1 Rfc8 26.Kg2 e5 27.Nh4 Kg7 28.Nf5 Kg6 29.Ne7 Be7 30.Re7 a4 31.Ra7 Kf5 32.R1a4 Ra4 33.Ra4 Rc7 34.e4 Kg6 35.g4 h5 36.h3 h4 37.Ra8 Rc3 38.Rh8 Kg5 39.Rh5 Kf4 40.Rh4 Ke4 41.Rh7 Kf4 42.Rf7 Kg5 43.f3 Rb3 44.Kg3 e4 0–1. barborski – kron10, kurnik, 2012.

6.b5 Be7 7.Be2 0-0 8.0-0 c5 9.c4 dc4 10.Bc4 b6 11.d4 Bb7 12.Nbd2 cd4 13.Nd4 Rc8 14.Rc1 Nc5 15.Be2 Nd5 16.Nc4 Qc7 17.Bf3 Rfd8 18.Qc2 a4 19.Rfd1 ½–½. Fournier,Frederic (2095) – Gabor Klaus, Northern Lights (thematic), 2004.

6.b5 Be7 7.g4 Ng4 (7...0-0 8.Rg1-/+) 8.Bg7 Rg8 9.Bb2 Bh4 10.Nh4 Qh4 11.Qf3 (better is 11.Qe2-/+) 11...Rg5?? (better is 11...Nge5 12.Be5 Ne5-/+) 12.Qg3= Qh6? (better is 12...Nge5 13.Qh4 Nf3 14.Ke2 Nh4=) 13.h4+– Rg8 14.f3 Ngf6 15.Qc7 Qg6 16.Kf2 (16.a4 Qg3 17.Qg3 Rg3+–) 16...Nh5 17.Bh3 f5 18.Nc3 f4? (better is 18...Qf6 19.Bg2 f4+/–) 19.Ne2+– Rf8? (19...fe3 20.de3 Qf7+–) 20.ef4 Qh6 (20...Qf7 21.Rhg1 Ndf6 22.Qe5+–) 21.f5! ef5 (21...Ndf6 22.Rhe1 (22.fe6 Ne4 23.Kg2 Qd2=) 22...d4 23.Bd4+– (23.fe6?! Nd5 24.Qh2 Qd2+–)) 22.Rae1 Qd2 (22...Kf7 23.Rhg1 Re8 24.Bf5 Nhf6+–) 23.Bc1 Qe1 24.Re1 Kf7 25.Bf5 Nhf6 26.Bb2 Kg8 27.Be6 Kh8 28.Bd7 (28.Rg1 d4 29.Bd4 Rf7 30.Qd8 Rf8 31.Qf8 Nf8 32.Bf6) 28...Bd7 1–0. Petruccioli,Antonio (1985) – Akeya_Price,Robert (1705), World Amateur Chess Championship, 2017. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 a5 5.b5 Nbd7 6.e3 Be7)

6.c3 e5 7.d3 Bd6 8.Be2 0-0 9.0-0 ab4 10.ab4 Ra1 11.Ba1 Qe7 Black prepares the advance e4 12.Nbd2 e4 13.de4 de4 14.Nd4 Nb6 15.Qc2 c6 16.Rd1 h5 (16...Rd8 17.Bb2=+) 17.c4 (17.b5 c5 18.N4b3 Qe5=) 17...Bb4 18.Qb2 Bd7 (18...Bd2!? 19.Rd2 Qc5=) 19.Ne4+= c5 20.Nf6 Qf6 21.Qb1 Ra8 (better 21...Qg5!?+=) 22.Nc2+- (22.Bh5?! Ra1 23.Qa1 cd4 24.Qd4 Qd4 25.ed4 Nc4+=) 22...Bc3 23.Bc3 Qc3 24.Qb6 Qc2 25.Qb7 (worse 25.Rd7 Ra1 26.Bf1 Qe2=+; 25.Qc5? Qe2 26.Qd6 Ra2-+) 25...Rf8 (25...Ra2 26.Qd7 Qe2 27.Qc8 Kh7 28.Qf5 Kh6 29.Rd6 f6 30.h4+-) 26.Qd7 (26.Rd7?! Qe2 27.h3 Qe1 28.Kh2 Qf2+=) 26...Qe2 27.Qd5 Rb8 28.Ra1 Qb2 29.Rf1 g6 (29...Qb4 30.Rd1+/-) 30.h3 Rb4 31.Qc5 Qc3 32.Rd1 Rc4 33.Rd8 Kh7 34.Qf8 Qf6 35.Qg8 Kh6 36.f3 Rc1 37.Kh2 Rc7 38.Qf8 Kh7 39.Re8 Rd7 40.f4 (40.Qg8 Kh6+/-) 40...Qg7 41.Qa3 Qf6 42.Qf8 Qg7 43.Qc5 Qf6 44.Rc8 Re7 45.Rc6 Re6 46.Rc8 Qe7 (46...Re7 47.Rc7 Rc7 48.Qc7 Qe6+/-) 47.Qc3 Qf6 48.Kg3 Qc3 49.Rc3 Ra6 50.e4 Ra5 (50...f6 51.Kf3+/-) 51.Rc7+- Kg8 52.e5 Ra4 53.Rc6 h4 54.Kg4 Ra2 55.Kh4 Rg2 56.Rc3 Kg7 57.Rc1 Kf8 58.Ra1 Ke7 59.Ra8 Rg1 60.Rb8 Ke6 61.Rb6 Ke7 62.Rf6 Kf8 63.e6 Ke7 64.ef7 Kf8 ½-½. PEREIRA – Vaina, internet, 2021.

6.Nc3 ab4-/+ 7.ab4 Ra1 8.Qa1 Bb4 9.Qa4 c5 10.Be2 Qa5 11.Qa5 Ba5 12.0-0 Ke7 13.Ra1 b6 14.h3 Bb7 15.Nb5 Ra8 16.Nc7 Rg8 17.Nb5 Ba6 18.d4 Bb7 19.dc5 bc5?? (better is 19...Nc5 20.Bd4 Nce4-/+) 20.Ra5+– Rb8 21.g4 Ra8 (21...Ne8 22.Bd3+–) 22.Ra8 Ba8 23.Nc7 Bb7 24.g5 Nh5 25.Nd2 g6 26.Nb3 Kd8 27.Nb5 Bc6 28.Na5 Bb5 29.Bb5 c4 30.Bc3 Kc7 31.Nc6 Kb6 (31...f6 32.Ba5 Nb6 33.Nd4+–) 32.Ba4 Kc7 33.Ba5 Nb6 34.Nd4 Kb7 35.Bb5 Ng7 36.Nc6 Nf5 37.Nd8 Kc7 38.Nf7 Ng7 39.Kg2 Kb7 40.Kf3 Ka7 41.Kf4 Kb7 42.Ke5 Kc7 43.Nd6 Nf5 44.Nf5 ef5 45.h4 Kb7 46.Bb6 Kb6 47.Be8 Kc5 48.c3 f4 49.Bf7 (49.Bf7 fe3 50.fe3+–) 1–0. Frenzel,Lothar (2135) – Teske,Heike (2215), RSM2010 remoteschach.de, 2010.

7.Be2 Na4 8.Bd4 c5 9.bc6+= bc6 10.c4 c5 11.cd5+/– ed5? 12.Qa4 Bd7 13.Bf6 Qf6 14.Bb5 Rd8 15.Nc3 Qd6 16.Bd7 Rd7 17.Rb1 Be7 18.Rb7 d4 19.Nb5 Rb7 20.Nd6 (20.Nd6 Kd8 21.Nb7 Kc7 22.Ne5 Kb6 23.Qa5 Kb7 24.Qb5 Kc7 25.Qc6 Kb8 26.Nd7 Ka7 27.Qb6 Ka8 28.Qa6#) 1–0. b4_player – opponent, gamecolony.com, 2007.

7.Be2= Bd6 8.0-0 0-0 9.d3 Qe7 10.c4 dc4 11.dc4 e5 12.c5 Bc5 13.Be5 Bf5 14.Qc1 Nbd7 15.Bd4 Rfd8 16.Nbd2 a4 17.Rd1 Bg6 18.Bb2 Nd5 19.Nc4 Be4 20.Nfd2 Bg6 21.Nf3 Be4 22.Bd3 Bf3 23.gf3 c6 24.Qc2 Qh4 25.bc6 bc6 26.Rab1 Be7 27.Bf5 N5f6 28.e4 g6 29.Rd7?? Nd7-/+ ½–½. Rosner,Dirk (1700) – Woelfelschneider,Peter (1700), TT–01 TSC, 2001.

7.Be2 Bd6 8.d3 Qe7 9.0-0 e5 10.c4 e4 11.de4 de4 (11...dc4?? 12.e5+–; 11...Nc4? 12.Bc4 de4 13.Nfd2+–) 12.Nfd2 0-0 13.Bd4 Bf5 14.Nc3 Rfd8 15.Qc1 Nbd7 16.Nd5 (16.f3 c5 17.bc6 bc6 18.Nce4 Be4 19.fe4 a4=) 16...Nd5 17.cd5 Be5 18.Nc4 Bd4 19.ed4 Nf6 20.Ne3 Bg6 21.Qc4 Rac8 22.Rfc1 Qd6 23.b6 Qb6 24.Rab1 Qa7 25.Qb3 b6 26.Bb5 Rd6 27.Rb2 Qb8 28.Bc6 Rdd8 29.Rbc2 Kh8 30.Bb5 Qa7 31.a4 Kg8 32.h3 Qb7 Increasing the pressure on the isolated pawn on d5 33.Qa3 h6 (33...Nd5? 34.Bc6 Ne3 35.Bb7 Nc2 36.Rc2+–) 34.d6 cd6 (34...Rd6?? 35.Qd6 cd6 36.Rc8 Kh7 37.R1c7 Qc7 38.Rc7+–) 35.Rc8 Rc8 36.Rc8 Qc8 37.Qd6 Qc1 38.Nf1 Kh7 39.Qb6 Qc3 40.Qd6 Qe1 41.Qd8 Bf5 42.Bc4 Be6 43.Be6 fe6 44.Qd6 Qa1 45.Qe6 Qa4 46.Qf5 Kh8 47.Qc5 Qa1 48.d5 a4 49.d6 Qd1 50.Qa7 (50.Qc8 Kh7 51.Qf5 Kg8 52.Qe6 Kf8 53.Qe7 Kg8 54.Qe6 Kf8 55.Qe7 Kg8 56.Qe6=) 50...Kg8 51.Qb7 Kh7 52.Qa8 Kg6 53.Qa7 h5 54.h4 Kh7 55.Qa5 (55.Qc5 Kg8+=) 55...Kg6 56.Qg5 (56.Qa7 Qd6 57.Qa4 Qf4+=) 56...Kf7+= 57.Qc5 (57.Qe5 Qd3 58.g4 hg4+=) 57...Ke6-/+ 58.Qc7 Nd5 59.Qd8 g6 60.g3 Qd4 61.Kg2 a3 62.d7 Ne7 63.Qa8 Kd7 (worse is 63...Qd7 64.Qe4 Kf6 65.Qf3 Nf5 66.Qa3 Qd5 67.Qf3 Qf3 68.Kf3+/–) 64.Qa3 Nf5 65.Qb3 Ke7 66.Qa2 Qd3 67.Nd2 e3 68.Qa7 Kf8 69.Qc5 Kg8 70.Qc8 Kg7 71.Qc7 Kf8 72.Qb8 Ke7 73.Qe5 Kd8 ½–½. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

7.Be5 Bd6 8.d4 =.

7.Be5 Ne4 8.d4 f6 9.Bg3 Bd6 10.Bd3 0-0 11.Nbd2 f5 12.c4 Nc4 13.Nc4 dc4 14.Bc4 Bd7 15.Ne5 Qe7 16.0-0 Be8 17.a4 Rd8 18.Qc2 Ng3 19.hg3 c5 20.Qc3 cd4 21.ed4 Bb4 22.Qe3 Bh5 23.Rac1 Qd6 24.Qg5 Qd4 25.Be6+= Kh8 26.Nc6 bc6 27.Qh5 g6 28.Qe2 cb5 ½–½. Conde,Jose A – Winiger,Albert, TT–07 ETC, 2003.

7.c4 Nb6 8.d3 0-0 9.Be2 Qe7 10.Nbd2 dc4 11.dc4 e5 12.Qc2 Nbd7 13.Nf1 e4 14.Nd4 Nc5 15.Ng3 g6 16.Nb3 Nb3 17.Qb3 Be5 18.0-0 h5 19.Be5 Qe5 20.f3 (20.Rfd1 h4 21.Nf1 h3=) 20...a4 21.Qc2 ef3 22.Bf3 Qe3 23.Kh1 Re8 24.Qb2 Ng4 25.Ne4 Bf5 26.Rae1 Qd3 27.Nf6 Nf6 28.Qf6 Qc4 29.Bb7 Re6 30.Qa1 Rd8 31.Bc6 Rd3 (worse is 31...Rc6 32.bc6 Qc6 33.Rc1+=) 32.Rc1 Qh4 33.Bf3 (33.Rfd1 Qe7+=) 33...Re7 (33...Qe7 34.Rc4 Ra3 35.Qc1–+) 34.Bb7 Rde3 35.Rg1 Bd3 36.Bc6 Qf4 37.Rge1 (37.Qb2 R7e5-/+) 37...Be2 (37...Re1 38.Re1 Re1 39.Qe1-/+) 38.Rc3 R3e5 39.Rcc1 h4 40.h3 Qf2 41.Rc2 (41.Rb1!?-/+) 41...Re3 (better is 41...Qg3!? 42.Rg1 Bb5 43.Bb5 Rb5–+) 42.Rd1+= ½–½. Gredescul,Andrea – Haller,Philipp, corr ICCF FM/0569, 2007. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.e3 a5 5.b5 Nbd7 6.Bb2 Bd6)

7.c4 Nb6 8.d3 Qe7 9.Be2 0-0 10.0-0 dc4 11.dc4 e5 12.Qc2 Rd8 13.Nfd2 (13.Nbd2 Nbd7=) 13...Bc5 (13...e4 14.c5 Bc5 15.Bf6 gf6 16.Ne4+=) 14.Nb3 Na4 (14...Bg4 15.Bg4 Ng4 16.Nc5 Qc5 17.Nd2=) 15.Nc5= Nc5 16.Nc3 g6 17.f3 c6 18.Rad1 Bf5 19.e4 Bd7 20.f4 Ng4 21.Bc1 ef4 22.Bf4 Ne5 23.Qc1 f6 24.a4 (24.Qe3 Be6+=) 24...Nb3 (24...Be6 25.Qa3=) 25.Qe3+= Nc5 26.Bg3 Be6 27.Nd5 cd5 28.ed5 Na4 (28...Bf5 29.d6 Rd6 30.Qc5+=) 29.de6+= Rd1 30.Bd1 Nb2 (30...Nc4 31.Qd4 Nab6 32.Bb3+– (32.Rf6? Rd8 33.Rf7 Rd4 34.Re7 Rd1 35.Kf2 Rd2 36.Kf3 Nd6–+)) 31.Be5+– Nc4? (better 31...fe5 32.Be2 Na4 33.Qe5 Qc5 34.Qc5 Nc5+–) 32.Bf6+– Ne3 33.Be7 Nf1 34.Kf1 Re8 (34...a4 35.Bd6 b6 36.Bf3+–) 35.Bc5 Re6 (35...Kg7 36.b6 Kf6 37.Bb3+–) 36.Bb3 Kf7 37.Bd5 h5 (37...a4+–) 38.b6 g5 39.Kf2 a4 (39...g4 40.Bb7 Re5 41.Bd4+–) 40.Kf3 Kf6 41.Bb7 Re8 42.Bc6 g4 (42...Re1 43.Ba4 g4 44.Kf4+–) 43.Kf4 Ke6 1–0. marekt (2120) – cachisss (1930), gameknot.com, 2015.

7.c4 Nb6 8.cd5 ed5 (worse is 8...Nfd5 9.Bg7 Rg8 10.Bb2+/–) 9.Be2 0-0 10.0-0 c5 11.bc6 bc6 12.d4 Ne4 13.Nbd2 Bf5 14.Rc1 Qf6 (14...Rb8 15.Ne5 Be5 16.de5 Nd2 17.Qd2=) 15.g3 (15.Ne4 de4 16.Ne5 Rfc8+=) 15...Rfc8 (15...Rab8 16.Ne5+=) 16.Ne4 (16.Ne5 Qh6=) 16...Be4= 17.Nd2 Bf5 18.Nb3? (better is 18.Bf3=) 18...Na4–+ 19.Bc3 Ba3 20.Ba5?? (better is 20.Nc5 Nc5 21.dc5–+) 20...Bc1 21.Qc1 Rcb8 22.Qa1 (22.Qa3 Nc3!! 23.Bf3–+) 22...Nb6 (better is 22...Rb3!? 23.Qa4 Rb2 24.Re1–+) 23.Nc5?? (better is 23.Qc3–+) 23...Nc4 24.Bc4 dc4 25.f3 (25.f4 Rb5 26.Qc3 Raa5–+) 25...Rb5 (25...Rb5 26.Qc3 Rba5–+) 0–1. Storchak,Vitalij – Medvedev,Emelian, Novokuznetsk Winter Open, 2010. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 a5 5.b5 Nbd7 6.e3 Bd6)

7.c4 Nb6 8.Be2 Nc4 9.Bc4 dc4 10.Qc2 e5 11.Qc4 (11.Be5 Be5 Combination; 11.Ne5 Be5 Combination) 11...Qe7 12.Nc3 Be6 13.Qh4 0-0 14.0-0 Bf5 15.a4 (15.e4 Bg4-/+) 15...Bd3-/+ 16.Rfc1 Rfd8 17.Ne1 Bg6 18.Nf3 h6 19.d4 ed4 20.Nd4 Bh7 21.b6 (21.Rd1!?=+) 21...c6-/+ 22.Qh3 (22.Nce2 Qe5 23.Ra2 Qd5-/+) 22...Qd7 (22...Ra6 23.Nce2 Rb6 24.Bc3-+) 23.Qd7 Rd7 (23...Nd7 24.Nce2-/+) 24.Nb3 Rad8 (better 24...Ng4!? 25.Ne2 Bh2 26.Kf1 Bd6-/+) 25.Na5=+ Bb4 (25...Bd3 26.Ba3 Be5 27.f4 Bc3 28.Rc3=) 26.Nc4= Bd3 27.Na2 Bc4 28.Nb4 (better 28.Bf6 Ba3 29.Bd8 Bc1 30.Rc1 Ba2 31.Bh4+=) 28...Bb3?? (better 28...Ne4 29.Bd4 Nd2=) 29.Bf6+- Rd1?? (29...gf6 30.f3 c5 31.Rc5 Rd1 32.Rd1 Rd1 33.Kf2 Ba4+-) 30.Rd1 Rd1 31.Rd1 (31.Rd1 Bd1 32.a5 gf6 33.a6 ba6 34.b7+-) 1-0. carlos78 (2245) - Gojkov (2115), Rated Blitz game, lichess.org, 2015.

7.c4 c5 8.bc6 (8.d4 0-0=) 8...bc6 9.Qc2 (9.cd5 cd5 10.Nc3 Rb8=) 9...0-0 (9...Rb8 10.d4=+) 10.Nc3 Ba6 11.Na4 (11.d3 Rb8=) 11...e5 (11...c5 12.d3=+) 12.d3 Qe7 (12...Re8 13.Be2=+) 13.c5 (13.Be2 Rfb8=+) 13...Bc7 (worse 13...Nc5 14.Nc5 Bc5 15.Ne5=) 14.e4 (14.Be2 Rab8=+) 14...Rab8-/+ 15.Be2 (15.Rb1 Bb5-/+) 15…Bb5 ½–½. Senkyr,Vladimir (2160) – Vaclavicek,Lukas (1710), G–TEAM Open Novy Bor CZE, 2011. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 Nbd7 5.e3 a5 6.b5 Bd6)

7.d4 0-0 8.c4 c5 9.Nc3 Qe7 10.cd5 ed5 11.dc5 Nc5 12.Nd5 Nd5 13.Qd5 Na4 14.Bd4 Ba3 15.Bd3 Bb4= 16.Ke2 Nc3 17.Bc3+= Bc3 18.Bh7 Kh7 19.Qd3 Bf5 20.Qf5 g6 21.Qh3 Kg7 22.Ra4 Qc5 23.Rb1 Bb4 24.Nd4 Qc4 25.Kf3 f5 26.Rd1+= Rae8 27.Raa1 f4 28.Rac1 fe3 (28...fe3 29.Nf5 Rf5 30.Qf5 gf5 31.Rc4 e2 32.Rc7 Kf6–+) 0–1. marekt – FernandoCarlos, internet, 2009.

7.d4 0-0 8.Nbd2 c5 9.dc5 Nc5 10.c4 Qe7 11.cd5 ed5 12.Be2 h6 (12...Bg4 13.0-0=) 13.0-0 Be6 14.Nd4 Bd7 15.N2f3 a4 16.Rb1 Nce4 17.Qd3 Rfc8 (17...Nc5 18.Qc2=) 18.h3 Nc5 19.Qd1 Nfe4 20.Re1 (20.b6 Ng3 21.Re1 Ne2 22.Re2 Ra6+=) 20...Rd8 (20...Re8 21.Nc2=) 21.Bf1 (21.Rc1 Rac8=) 21...Bc7 (21...Be6 22.Rc1=) 22.Re2 Rac8 (22...Bd6 23.Rc2=) 23.Rc2 Qd6 24.g3 Re8 25.Bg2 Bd8 26.Ne1 Bg5 27.Re2 (27.g4 Bf6=) 27...Ng3 28.fg3 Qg3 29.Nec2 (29.Ndc2 Bb5 30.Rf2 Bc4=) 29...Be7 (better is 29...Bh3!? 30.Kh1 Ne4+=) 30.Qe1 Qg6 31.Nb4 Bh3 32.Nd5 Nd3 33.Nf4 (33.Qf1=) 33...Nf4 (33...Ne1!? 34.Ng6 Ng2 35.Ne7 Re7=) 34.ef4+= Bf8 35.f5 Qg4 36.Qd1 Re3 (36...Re2 37.Qe2 Qe2 38.Ne2 Bf5 39.Rc1 (39.Bb7? Rc5–+) 39...Rc1 40.Bc1=) 37.Rf2+= Qh4 38.Rf3 (38.Qa4 Bg2 39.Rc2 Be4 40.Nf3 Rc2 41.Qc2 Rf3 42.Bc1 Qe1 43.Kh2 Qg3 44.Kh1 Rf1; 38.Bb7 Rg3 39.Bg2 Bg2 40.Rg2 Rh3–+) 38...Rce8 39.Bh3 (39.Rh3 Re1 40.Qe1 Re1 41.Re1 Qe1 42.Bf1 Qd2–+) 39...Re1 40.Qe1 (better is 40.Kg2!? Rd1 41.Rd1+=) 40...Re1-/+ 41.Re1 Qe1 42.Bf1 Qb1 43.Rf2 Bc5 44.Rd2 Qf5 (44...Qf5 45.Rd3 Qe6–+) 0–1. Sternik,Ryszard (1860) – Dineen,Thomas (1890), FICGS, 2009. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 Nbd7 5.e3 a5 6.b5 Bd6)

7.d4 Nb6 8.a4 0-0 9.Bd3 Ne4 10.0-0 f5 11.Nbd2 Bb4 12.c4 Nd2 13.Nd2 e5 14.c5 Nd7 15.c6 bc6 16.bc6 Nb8 17.de5 Nc6 18.Rc1 Ne7 19.Nb3 Rb8 20.Bd4 Ba3 21.Ra1 Bb4 22.Qc2 c6 23.Rab1 Ra8 24.Bc5 Bc5 25.Qc5 Qc7 26.f4 Qa7 27.Rfc1 h6 28.Nd4 Qc5 29.Rc5+– Ra7 30.Nc6 Nc6 31.Rc6 Bd7 32.Rc5 Ba4 33.Ra1 Bd7 34.Rca5 Ra5 35.Ra5 Be6 36.Ra6 Re8 37.g4 fg4 38.Bg6 Bf7 39.Bf5 Kf8 40.Bg4 g6 41.Kf2 Rb8 42.h4 Rb2 43.Kf3 Rb7 44.Be6 Rc7 45.Bf7 Kf7 46.Rf6 Kg7 47.Rd6 Rc5 48.h5 gh5 49.f5 (49.f5 h4 50.Kg4+–) 1–0. Mehlhorn,Uwe – Baensch,Hans, remoteschach.de, 2003.

7.d4 Nb6 8.a4 Ne4 9.Bd3 f5 10.0-0 0-0 11.Ne5 c5 (11...Qh4 12.Ba3=) 12.bc6+= Be5 13.de5 bc6 14.f3 (14.Ba3!? Re8 15.f3=) 14...Nc5=+ Attacks the isolani on a4 15.Nc3 Rf7 (15...Nd3 16.cd3 (16.Qd3? Ba6 17.Qd4 Bf1 18.Kf1 Nc4–+) 16...d4 17.Ne2 de3 18.Qc2=) 16.Be2-/+ Ba6 17.Qd4 (17.Rf2 Be2 18.Re2 Nc4-/+) 17...Be2 18.Ne2 Na6 (better 18...Nca4!? 19.Ba3 Nc4-/+) 19.Nf4= c5 20.Qc3 Nc4 21.e4 Qb6 22.Ba3 (22.Bc1!? fe4 23.fe4=+) 22...fe4 (22...Na3 23.Qa3 fe4 24.Qe3-/+) 23.fe4 Raf8 (23...Na3!? 24.Ra3 Raf8–+) 24.g3 Na3 25.ed5 Nc7 (25...Nb4!? 26.de6 c4 27.Kh1 Rf4 28.Rf4 Qc6 29.Kg1 Rf4 (worse 29...Nac2 30.Raf1 Qc5 31.R4f2-/+) 30.gf4 Nac2–+) 26.Qa3 Nd5 (better 26...c4 27.Rf2 g5=+) 27.Nd5?? (better 27.Qb3=) 27...Rf1–+ (27...ed5?! 28.Rf7 c4 29.Kh1 Rf7 30.Rd1=+) 28.Rf1 Rf1 (28...ed5?! 29.Rf8 Kf8 30.Qf3 Ke7 31.Qd5 Qb1 32.Kf2 Qc2 33.Kf3 Qc3 34.Kg4 Qb4 35.Kf5 g6 36.Kg5=) 29.Kf1 Qb1 (29...ed5?! 30.Kg2=) 30.Kg2 Qc2 31.Kh3 ed5 32.Qe3 (32.Qf3 Qe4 33.Qa3 c4–+ (33...Qe5 34.Qc5 Qh5 35.Kg2-/+)) 32...Qf5 (better 32...Kf7!? 33.e6 Ke7–+) 33.g4-/+ Qf1 34.Kh4 (34.Kg3 c4 35.e6 Qd3 36.Qd3 cd3–+) 34...Qf8 (34...d4 35.Qb3 Qf7 36.Qb8 Qf8 37.Qb3 Kh8 38.Qd5-/+) 35.e6 (35.Kg3 c4-/+) 35...Qe7 (35...d4 36.Qe2 Qf6 37.Kh3-/+) 36.Kh3 d4 37.Qe4 g5 38.Qa8 (38.Qd5 Kg7=+) 38...Kg7 (38...Qf8 39.Qd5 Qf1 40.Kg3 Qf4 41.Kh3-/+) 39.Qe4 (39.Qd5 Qf6 40.Kg2 Qf4 41.Qd7 Kg6=+) 39...d3! 40.Qd3 Qe6 41.Kg3 (41.Qd2 h6 42.Qa5 Qe3 43.Kg2 Qe4 44.Kf2 A) worse 44...Qg4 45.Qc7 Kg8 46.Qb8 Kf7 47.Qc7 Ke8 48.Qe5 Kd8 49.Qd6 Qd7 50.Qf8 Kc7 51.Qc5 (worse 51.Qh6 Qd2 52.Kf1 c4-/+) 51...Kb7 52.Qb4 Ka6 53.h4=; B) 44...Qf4 45.Ke1 Qg4 46.Qc7 Kf6-/+) 41...Qe5 42.Kg2 Qb2 43.Kg3 Qe5 (43...Qf6 44.Qd7 Qf7 45.Qd6-/+) 44.Kg2 Qe6 45.Kg3 c4 (45...Qf6 46.Qd7 Qf7 47.Qd6-/+) 46.Qc3 Kg6 47.Qa5 Qe3 48.Kg2 Qe4 49.Kf2 Qf4 (49...Qd4!? 50.Kf1 Qg4 51.Qb6 Kh5=+) 50.Ke1 Qg4 (50...Qe3 51.Kd1 Qg1 52.Kc2 Qh2 53.Qd2=) 51.Qb6=+ Kh5 (51...Kf7 52.Qc7 Kf6 53.Qh7 Qf4=+) 52.Qc7 (better 52.Qf2!? Qc8 53.Qf7 Kg4 54.Qh7 Qe8 55.Kf2=) 52...Qe4-/+ 53.Kd2 Qd3 54.Kc1 Qa3 55.Kb1 Qb4 56.Kc1 Qc3 57.Kb1 (better 57.Kd1 Qa1 58.Kd2 Qa4 59.Qh7 Kg4 60.Qe4 Kh3 61.Qf3 Kh4 62.Qg3 Kh5 63.Qh3 Kg6 64.Qe6 Kg7 65.Qe7 Kg8 66.Qg5 Kh7 67.Qh5 Kg7 68.Qe5 Kg6 69.Qd6 Kf5 70.Qd5 Kf4 71.Qd4 Kf3 72.Qe3 Kg4 73.Qe6 Kg5 74.Qe5 Kh4 75.Qf4 Kh5 76.Qf5 Kh6 77.Qf6 Kh7 78.Qc3=) 57...Qd3 (57...h6 58.Qd7-/+) 58.Kc1 Qe3 59.Kc2 Qe4 (59...Qb3 60.Kc1 Qa4 61.Qh7 Kg4 62.Qe4 Kh3 63.Qf3 Kh4 64.Qg3 Kh5 65.Qh3 Kg6 66.Qe6 Kg7 67.Qe7 Kg8 68.Qg5 Kf7 69.Qf5 Ke7 70.Qe5 Kd7 71.Qd5 Kc7 72.h4=) 60.Kd2 Qd5 (60...Qd4 61.Kc2 h6 62.a5-/+) 61.Kc2 (61.Kc1 h6-/+) 61...Qf5 (61...h6 62.a5-/+) 62.Kd2 (better 62.Kc3 Qd3 63.Kb4 Qd2 64.Kb5 Qb2 65.Kc6-/+) 62...h6 (62...Qf2 63.Kc3 Qe1 64.Kc2 Qe2 65.Kc1-/+) 63.a5 (better 63.Qc4!? Qf6 64.Kc2=) 63...Qd3-/+ 64.Ke1 Qe3 65.Kd1 Qf3 (65...Qb3 66.Kd2 Qb2 67.Ke3 Qc3 68.Ke2 Qc2 69.Ke1-/+) 66.Kd2 Qd3 67.Ke1 Qc3 (67...Qb1 68.Kd2 Qb2 69.Ke3-/+) 68.Kd1 Qb3 69.Kd2 Qb2 70.Ke3 Qc3 (70...c3 71.Qf7 Kh4 72.Qc4 g4 73.Qd4-/+) 71.Ke2 Qc2 72.Kf1 (72.Ke1 c3 73.Qf7 Kh4 74.Qc4 g4=) 72...c3 (72...Qd1 73.Kf2 Qd4 74.Kg3 Qd3 75.Kf2–+) 73.a6 (better 73.Qd7!? Qb1 74.Kf2-/+) 73...Qd3–+ 74.Kg2 (74.Kf2 c2 75.a7 Qd2 76.Kg3 Qf4 77.Qf4 gf4 78.Kg2–+) 74...Qa6 (74...c2!? 75.a7 Qd2 76.Kg3 Qf4 77.Qf4 gf4 78.Kg2–+) 75.Qc3 (75.Qf7 Qg6 76.Qf3 g4 77.Qc3 Qe4 78.Kg3 Qd5-/+) 75...Qe2 76.Kg1 Qg4 77.Kh1 Qe4 78.Kg1 Kg6 79.Qc8 Qe1 80.Kg2 Qe4 81.Kg1 g4 (81...Qe3!? 82.Kg2 Kh5-/+) 82.Qg8=+ Kh5 83.Qf7 Qg6 (83...Kg5!?=+) 84.Qg6= Kg6 85.h3 gh3 86.Kh2 ½–½. Prasannaa,S (2155) – Murshed,Niaz (2440), 15. Delhi Open, 2017.

7.d4 c5 8.c4 0-0 9.Be2 cd4 10.ed4 (10.Qd4 e5 11.Qh4 dc4=) 10...b6 11.Nbd2 Bb7 12.Ne5 Qc7 13.f4 (13.Rc1!? Ne5 14.de5 Be5 15.cd5+=) 13...dc4-/+ 14.Ndc4 Bg2 15.Rg1 Bd5 16.Rc1 g6 (16...Qb8!?-/+) 17.Na5= Qd8 18.Nac6 Bc6 19.bc6 Ne4 20.Rg2 (20.Nf3!? Ndf6 21.f5 ef5 22.Qb3-/+) 20...Qh4-/+ 21.Kf1 Qf4 22.Kg1? (better is 22.Nf3 Ndf6 23.Qd3–+) 22...Ne5–+ (22...Be5?! 23.de5 Ne5 24.Qd4=) 23.de5 Ba3 24.Ba3 Ra3 25.c7 (25.Qe1 Qe5 26.Bf1 Rc8–+) 25...Nc3 26.Qe1 Qe5 27.Bf3 (27.Rf2 Rc8 28.Qd2 Rc7 29.Qd8 Kg7–+) 27...Qe1 28.Re1 Rc8 29.Rc2 b5 30.Kg2 b4 31.Rec1 Rc7 32.Rb2 b3 33.Kf1 Kg7 34.Ke1 Rc5 35.Kd2 (35.Bd1 Na4 36.Rc5 Nc5–+) 35...Ra2 36.Ra2 ba2 (36...Na2? 37.Rc5 Nb4 38.Rb5+–) 37.Ra1 Nb1 38.Kd3 Rc3 39.Ke2 Rb3 0–1. roy1nc6 (1845) – littletina (1870), gameknot.com, 2012. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 a5 5.b5 Nbd7 6.e3 Bd6)

7.d4 c5 8.dc5 Nc5 9.Nbd2 0-0 10.Be2 Qe7 11.c4 Rd8 12.Qc2 e5 13.cd5 e4 14.Nd4 Bg4 (14...Nd5 15.Rd1=) 15.Nc4 Rac8 16.0-0 (worse is 16.Na5 Nd3 17.Bd3 Rc2 18.Bc2 Nd5+=) 16...Nd3 (16...Be2 17.Qe2 A) worse is 17...Nd5 A1) 18.Na5 Qc7+=; A2) 18.Nd6 Qd6 (18...Rd6? 19.Nf5 Qe6 20.Nd6 Qd6 21.Qg4+–) 19.Qg4 Qd7=; A3) 18.Nf5 Bh2 19.Kh2+–; B) 17...g6+=) 17.Bd3+/– ed3 18.Qd3 Nd5 19.Nd6 Qd6 20.Rac1 Nb6 21.h3 Be6 22.Qe4 Nc4 23.Ne6 Qe6 24.Qe6 fe6 25.Rc2 Nb2 26.Rb2 Rd3 27.Ra1 Rcc3 28.a4 b6 29.Kf1 Kf7 30.Ke2 Ke7 31.Rd2 Rd2 32.Kd2 Rc4 33.g4 h6 34.Kd3 Rb4 35.Ke2 e5 36.Kf3 Rc4 37.Ra3 Ke6 38.Kg3 g5 39.h4 Rc1 40.hg5 hg5 41.Rd3 Rg1+= 42.Kf3 e4? 43.Ke4+– Rg4 44.f4 gf4 45.ef4 Rh4 46.Rc3 Rh1 47.Rc6 Ke7 48.Rb6 Ra1 49.Ra6 Ra4 50.Ke5 Ra1 51.Ra7 Ke8 52.b6 (52.b6 Rb1 53.b7+–) 1–0. Garcia Corada,Pedro – Ortega Lozano,Miguel Angel, Valladolid CC Navidad op, 1988. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.e3 Nbd7 5.Bb2 a5 6.b5 Bd6)

7.Be2 e5 8.d4 e4 9.Nfd2 Nb6 10.c4 dc4 11.Nc4 Nc4 12.Bc4 0-0 13.Nc3 Re8 14.h3 Be6 15.Be6 Re6 16.0-0 ½–½. Woelfelschneider,Peter – Ungerathen, 2009.

8.Qc1 c5 (better 8...e5-/+) 9.b6? (better 9.Nc3=+) 9...Be5?? (better 9...e5-+) 10.Ne5+- Rb8 (10...Nb6 11.Nc3+-) 11.d4 (11.Nd7 Nd7 12.Be2 Nb6 13.cd5 Qd5+-) 11...Qe7 (11...Qb6 12.Nd2+-) 12.Nd2 Qe8 (12...Ne5 13.de5 Nd7 14.Qc3 Nb6 15.Qa5 Nc4 16.Nc4 dc4 17.Bc4+-) 13.h3 (better 13.dc5 Qe7 14.c6 Nb6 15.c5+-) 13...Ng4 (13...Ne5 14.de5 Nd7 15.Bd3+-) 14.Nc6 (better 14.hg4 f6 15.Nd7 Bd7 16.Qc2+-) 14...Qd8 (14...bc6 15.hg4 cd4 16.Bd4 c5+-) 15.hg4 (better 15.Nd8 Ngf6 16.cd5 Rd8 17.de6 fe6 18.dc5 Nf8+-) 15...Ra8 (15...bc6 16.dc5 Qe7 17.cd5 ed5 18.Qc2+-) 16.Ke2 (better 16.Nd8 Rd8 17.cd5 ed5 18.dc5 Nf8+-) 16...e5 (16...bc6 17.dc5 Ba6 18.Ke1+-) 17.Kd1 (better 17.Nd8 Rd8 18.Qc2+-) 17...Ra7 (17...bc6 18.dc5 Nc5 19.Be5 Ne4 20.Ne4 de4 21.Ke1 Qb6+-) 18.Rh5 (18.Rh5 Qb6 19.Ne7 Kh8 20.de5+-) 1-0. OriginalRepertoire (2415) - ChessInstinct (2255), Rated Blitz game, lichess.org, 2015.

8.Qc2 dc4 9.Bc4 Nb6 (9...e5 10.0-0=) 10.Bd3 h6 (10...Re8 11.Ne5=) 11.0-0 Re8 12.Ne5 Be5 (12...Nbd7 13.f4+=) 13.Be5+/– c6 14.bc6 bc6 15.Bf6 Qf6 16.Nc3 Qe7 (16...e5 17.f4+=) 17.Ne4 f5 18.Nc5 Qd6 19.Rfc1 Nd7 20.Bf1 e5 21.Na4 e4 22.Qc6 Qc6 23.Rc6 Nf8 (23...Ne5!? 24.Rc5 Ba6+/–) 24.Nc5+– Bd7 25.Rd6 Be6 26.Ne6 Ne6 27.d4 Red8?? (better is 27...ed3 28.Bd3 g6+–) 28.Re6 Re8 29.Bc4 Kf8 30.Rg6 Rac8 31.Be6 Rc3 32.Bf5 Re7 33.Ra6 Rec7 34.g4 Rc1 35.Rc1 Rc1 36.Kg2 1–0. Woelfelschneider,Peter (2325) – Bonow,Valdir (1885), CiF, 2010.

8.Qc2 c5 9.Be2 b6 10.d3 Bb7 11.Nbd2 Qc7 12.h3 a4 13.0-0 h6 14.Rac1 Rfc8 15.Rfd1 Qd8 16.Nb1 Ra7 17.Re1 Qe7= 18.Nc3 Rca8 19.Rcd1 Ra5 20.Nb1 Qd8 21.Bc3 R5a7 22.Nbd2 Qc7 23.Qb2 Re8 24.Rc1 e5 25.cd5 Nd5 26.Nc4 Nc3 27.Qc3 Nf6 28.Nfd2 Nd5 29.Qb2 Qd8 30.Nd6 Qd6 31.Nc4 Qf6 32.Bg4 Ba8 33.g3 Qd8 34.Ne5 Nf6 35.Be2 Qd5 36.Nc6 Bc6 37.bc6 Qc6 38.Rb1 Rb8 39.Rec1 Qd5 40.Bf1 b5 41.e4 Qc6 42.e5 Nd7 43.d4 Qe4 44.e6 Qe6 45.dc5+= Rc8 46.Qb5+/– Rac7 47.Qa4 Nc5 48.Qa5 Kh7 49.Rb8 Qd6 50.Rc8 Rc8 51.Qb5 Rc7 52.Bg2 g6 53.a4 Qe5 54.Qb6 Rc8 55.a5 Qf5 56.Re1 Na4 57.Qd4 Qa5+/– 58.Re7 (58.Re7 Rf8 59.Qd7+–) 1–0. Woelfelschneider,Peter – Moeller, 2010.

8.Qc2 c5 9.Be2 Qc7 10.d3 b6 11.Nbd2 Bb7 12.a4 Rad8 13.h3 d4 14.e4 Nh5 15.g3 Rde8 16.0-0-0 f5 17.e5 Ne5 18.Ne5 Ng3 19.fg3 Bh1 20.Ng6 Rf6 21.Rh1 Bg3 22.Kb1 Rc8 23.Bh5 hg6 24.Bf3 g5 25.Nf1 Bf4 26.Qg2 Rh6 27.Bc1 Bc1 28.Kc1 Qf4 29.Kc2 Kf7 30.Nd2 Rch8 31.Be2 Qe3 32.Qb7 Kg6 33.Re1 Rh3 34.Kd1 Qf2 35.Nf3 R8h6 36.Ne5= Kh7 37.Nf7 Rg3 38.Nh6 Rg1 ½–½. Meyer,Torben – Fiedler,Peter, DESC, 2003.

8.Qc2 Qe7 9.d4 dc4 10.Bc4 e5 11.de5 Ne5 12.Be2 Bg4 13.Nbd2 Rfc8 14.h3 Bf3 15.gf3 c6 16.b6 Nd5 17.Rb1? (better is 17.Ne4+=) 17...Ba3–+ 18.Bd4 Bb4 19.Rg1 (19.f4 Nd7–+) 19...f6 (19...c5!? 20.Bb2–+) 20.f4 Nf4! 21.ef4?? (better is 21.Be5 Bd2 22.Kd2 Rd8 23.Ke1 Ne2 24.Bf6 Qf6 25.Ke2–+) 21...Nf3 22.Kd1 Qe2!! (22...Nd4?! 23.Qc4 Qf7 24.Qf7 Kf7 25.Bc4 Kf8 26.Rg3–+; 22...Nd2?! 23.Rb4 ab4 24.Kd2–+) 23.Ke2 Nd4 24.Kd3 Nc2 25.Kc2 Bd2 26.Kd2 Rd8 27.Kc3 Rd5 28.Rge1 Kf7 29.Re4 Re8 30.Ra4 Red8 31.Re1 Rd3 32.Kc2 Rd2 33.Kc1 Rf2 34.Rae4 Rd7 35.R1e3 Rfd2 36.Rc4 R2d4 37.Rc5 (37.Rec3 Rd1 38.Kb2 R7d2 39.Rc2 Rd5–+) 37...Rf4 38.Ra5 Rc4 (38...Rc4 39.Kb2 Rb4 40.Kc2 Rb6–+) 0–1. Heimbacher,Peter (1950) – Pinto Henriquez,Rodrigo (2185), Tenerife op, 2008.

8.Qc2 h6 9.Nc3 =+.

8.Qc2 h6 9.d4 c5 10.bc6 bc6 11.c5 Bc7 12.Nbd2 Qe7 13.Qa4 Bb7 14.Rb1 Rfb8 15.Be2 Qd8 16.Bc3 Qc8 17.Rb2 e5 18.Ne5 Be5 19.de5 Nc5 20.Qc2 Nfd7 Black plans a4 21.0-0 Ba6 22.Rb8 Rb8 23.Ba6 Qa6 24.h3 a4 25.Rb1 Rb1 26.Qb1 Qe2 27.Qf1 Qf1 28.Kf1 Ne4 29.Ne4 de4 30.f3 ef3 31.gf3 Nb6 32.Ke2 Nc4 33.e6 fe6 (33...Na3?? 34.e7 Kh7 35.e8Q+–) 34.Bb4 Kf7 35.f4 e5 36.Kd3 Nb6 37.Ke4 0–1. marekt – allien53, internet, 2014.

8.Nc3 Nb6 9.cd5 ed5 10.d3 c5 11.bc6 bc6 12.Be2 Rb8 13.Qc2 Re8 14.0-0 Qc7 15.Rac1 Ba6 16.h3 c5 17.Rfe1 Qc6 18.e4 d4 19.Nb1 Qa4 20.Nbd2 Qc2 21.Rc2 Nfd7 22.Ba1 Be7 23.Rec1 Bf6 24.Nb3 Attacks the backward pawn on c5 24...Na4 25.Na5 Nc3 26.Bc3 dc3 27.Nc6 Rb6 28.e5 Rc6 (worse is 28...Ne5 29.Nfe5 Be5 30.Ne5 Re5 31.f4+/–) 29.ef6 Nf6 30.Rc3 Re2 31.Nd4 cd4 32.Rc6 Bd3 33.Rc8 Ne8 34.Rd8 Kf8 35.Rd4 Bf5 36.a4 Ra2 37.Rc5 Be6 38.a5 Nf6 39.Rb5 g6 40.f3 Kg7 41.Rc5 ½–½. Bonoldi,Fabio (1880) – Albesa,Alfredo, 1. LSS No–Engine Cup Final, 2010.

8.Nc3 c5 9.Be2 b6 10.cd5 ed5 11.0-0 Re8 12.Qc2 Bb7 13.Rfe1 Rc8 14.Qd3 Nf8 15.Na4 Ne4 16.Qc2 d4 17.Bc4 Ng5 18.Ng5 Qg5 19.g3 Qh5 (19...Nd7 20.f4 (worse 20.ed4 cd4 21.Re8 Re8 22.Bd4 Re4–+) 20...Qg4 21.Be2=+ (worse 21.ed4 Re1 22.Re1 cd4-/+)) 20.Be2= (20.Nb6? Qf3 21.e4 Re4 22.Re4 Be4 23.Qe4 Qe4 24.Nc8 Bb8–+) 20...Qh3 21.Bf1 Qh5 22.Be2 Qh3 23.Bf1 Qe6 (23...Qh5 24.Be2=) 24.Nb6+= Bg3 25.fg3 (25.hg3 Qb6 26.Qf5 g6+=) 25...Qb6 26.ed4 (26.Rac1 Qd6+=) 26...cd4= 27.Qd3 Ne6 28.Bh3 Ba8 29.Re2 Rb8 30.Rae1 Qb7 31.Bg2 (31.Be6?? Qh1 32.Kf2 Qg2) 31...Qb5 32.Qb5 Rb5 33.Bd4 Bg2 34.Kg2 Rb3 35.Re3 a4 36.Bc5 h6 37.Kf2 Reb8 38.Bb4 Rb2 (38...Kh7 39.Re5=) 39.Re5 Ra8 40.Rd5 Nc7 41.Rd4 Rb3 42.Re5 Ne6 (42...Rb8 43.Re3+=) 43.Rdd5 Rc8 44.Ra5 Rb1 45.Re1 Rb2 46.Re3 Rc1 47.Ra4 Rbb1 48.Be7 Rh1 49.Kg2 Rbg1 50.Kh3 Rc1 51.Re2 Rhe1 52.Rae4 Rg1 53.R4e3 (53.Kh4 Rc6+=) 53...Rc7= 54.Bd8 Rc8 (54...Nd8 55.Re8 Double attack (55.Re8 Decoy)) 55.Rd3 Kh7 56.Be7 Rc7 57.Bd8 Rc8 58.Be7 ½–½. Marekt – Dcpk, internet, 2020.

8.d3 dc4 9.dc4 Nc5 10.Bd3 e5 11.e4 Be7 12.Ne5 Ng4 13.Be2 Qd1 14.Bd1 Ne5 0–1. toffie62 (1830) – rcm06 (2185), gameknot.com, 2014.

8.d4 Nb6 9.c5 +–.

8.d4 dc4 9.Bc4 Ra7 =.

8.d4 dc4 9.Bc4 Nb6 10.Bd3 =+.

8.d4 dc4 9.Bc4 c5 10.dc5 Nc5 11.Ba2 Qe7=+ 12.Bf6 Qf6-/+ 13.Qd6 Qa1 14.Qc5 Qa2 15.0-0 Bd7 16.Nc3 Qb2 (17.Rd1 Rac8-/+) 0–1. Baer,Werner – Schulz,Hans_Juergen, TT–06 TSC, 2003.

8.d4 dc4 9.Bc4 c6 10.Nc3 =.

8.d4 Ne4 9.c5+= Be7 10.Bd3 b6 11.c6 Ndf6 12.Nc3 Ra7 13.Qc2 Nd6 14.Ne5+/– Nf5 15.g4 Nd6 16.h4 Nfe4 17.Ne4 de4 18.Be4 Ne4 19.Qe4 f6 20.Nd3 f5 21.gf5 ef5 22.Qg2 a4 23.Rg1 Bf6 24.Bc3 Be6 25.Nf4 Bb3 26.Nh5 Rf7 27.Rc1 Kh8 28.Nf6+– Qf6 29.d5 Qh6 30.d6 cd6 31.Bd4 Ra8 32.Bb6 Kg8 33.c7 Rc8 34.Bd4 Qe6 35.b6 Bd5 36.Qg5 h6 37.Qd8 Kh7 38.h5 f4 39.Rg6 Qf5 40.Rd6 Bb7 41.Qh4 Qa5 42.Rc3 fe3 43.f4 Qf5 44.Be3 Re8 45.Kd2 Rfe7 46.Rd8 Re3 47.Re3 Re3 48.Ke3 Qe4 49.Kd2 Qg2 ½–½. Roldan,Antonio – MacNair,Adrian, UECC, 1999.

8.cd5 ed5 9.Qc2 Nc5 10.d4 Nce4 11.Bd3 Re8 (11...Qe8 12.Ne5+=) 12.0-0= Bg4 (12...Bf5 13.Nc3=) 13.Ne5 Bh5 14.f3 Ng5 (14...Nc5 15.Bf5 (worse is 15.dc5 Be5 16.Re1 Bb2 17.Qb2 d4+=) 15...Ne6 16.Nd2=) 15.f4 Nge4 16.Nc3 Bg6 17.f5 Bh5 18.Ne4 de4 19.Bc4 (worse is 19.Be4 Ne4 20.Qe4 f6+=) 19...c5 20.bc6 bc6 21.Rab1 (21.h3 Nd5 22.Qe4 Qg5+/–) 21...Nd5 (21...c5!?+=) 22.Qe4+/– Qg5 23.Rbe1 Rab8 24.Rf2 Nf6 25.Qf4 Qf4 26.ef4 Nd5 27.Kf1 Rbc8 28.Rc2 Kf8 (28...Nf4? 29.h3 Nd5 30.g4+–) 29.Bc3 a4 30.Kf2 f6 31.Nd7 Kg8 32.Nb6 Rb8 33.Nd5 cd5 34.Bd5 Kf8 35.Ra1 Bg4 36.Be6 g6 37.d5 Bf5 38.Bf5 gf5 39.Bf6 Bf4 40.Rc6 Kf7 41.Bc3 (41.Rd1 Rbc8 42.Ra6 Rc4+=) 41...Rb3+= 42.Rd1 Re7 (42...Ra3 43.d6 Ra2 44.Kf1+–) 43.Kg1 Bd6 (43...Ra3? 44.Bb4 Rb3 45.Be7 Ke7 46.d6 Kd7 47.Rc7 Kd8 48.Rh7+–) 44.Rf1 Ba3 45.Rf5 Ke8 46.Rc8 (46.Rf4 Rf7 47.Re4 Kd7+/–) 46...Kd7+= 47.Rff8 Re3 48.Rcd8 Kc7 49.Ba5 Kb7 50.Rd7 Ka6 51.Ra8 ½–½. marekt – re074, gameknot.com, 2014.

8.cd5 ed5 9.Nc3 c5 10.bc6 bc6 11.Be2 Nc5 12.d4 Nce4 13.0-0 Qc7 14.h3 Bf5 15.Bd3 Rab8 16.Qc2 Rfc8 17.Rab1 Nc3 18.Bc3 Bd3 19.Qd3 Ba3 20.Qd2 (20.Bd2 Bb4-/+) 20...Ne4 21.Qe1?? (better is 21.Qd3-/+) 21...Rb1–+ 22.Qb1 Nc3 (22...Nc3 23.Qc2 Bb4–+) 0–1. Fournier,Frederic – Persianmale (2680), Partie evaluee, 2m + 0s, 2008.

8.Be2 e5 9.d4 e4 10.Nfd2 c6 11.c5 Be7 12.Nc3 b6 13.bc6 =.

9.Nc3 Nb6 10.cd5 ed5 11.Bd3 Nc4 =+.

9.Nc3 Nb6 10.Nd5 ed5 11.c5 Bg4 12.cd6 cd6 13.Bd4 Ne4 14.Be2 Rc8 15.Qa2 Bh5 16.0-0 Nc5 17.d3 h6 18.h3 a4 19.Rac1+/– Qd7 20.Rb1 f6 21.Nh4 Be2 22.Qe2 Qe6 23.Qh5 Nbd7 24.Nf5 Ne5 25.f4 Ned3 26.Qg6 Re7 27.Ne7+/– Qe7 28.Rbd1 Qe4 29.Qg4 Rc7 30.Qe2 b6 31.Rd2 Re7 32.Qd1 Rc7 33.Qb1 g5 34.Rfd1 gf4 35.Rd3 Nd3 36.Qd3 Qd3 37.Rd3 fe3 38.Rc3 e2 39.Kf2 Rg7 40.Rc8 Kh7 41.Re8 Rc7 42.Re2 Rc1 43.Rb2 (43.Rb2 Ra1 44.Bb6 Ra3 45.Ba7+–) 1–0. Woelfelschneider,Peter – Scholz, 2010.

9.Nc3 Nb6 10.Nd5 Nbd5 11.cd5 ed5 12.Be2 a4 13.0-0 Bd7 14.Nd4 Ne4 15.d3 Nc5 16.Bc3 Qg5 17.g3 Bh3 18.Rfc1 h5 (18...Ne6 19.Bf3=) 19.Bb4+= b6 20.Bf3 h4 21.Re1 Nb3 (21...Bg4 22.Bg2+=) 22.Bd6+= Na1 23.Qc7 Nb3 24.Ne2 (24.Qb6 Qf6 25.Bc5 Qb6 26.Bb6 Rab8=) 24...Bg4 (24...Rad8 25.Bb4=) 25.gh4 (25.Bf4!? Qf5 26.Bg4 Qg4 27.Qb6=) 25...Qf5+= 26.Bg4 Qg4 27.Bg3 d4 28.e4 Qf3 29.Nf4 (better is 29.Qc4!?+=) 29...Nc5-/+ 30.Qb6 Nd3 31.Nd3 Qd3 32.e5 Qa3 33.Qd4 Qb3 34.h5 a3 0–1. Woelfelschneider,Peter (2335) – Svrsek,Radomir (2400), CiF–11.Superturnier, 2010.

9.Nc3 Nb6 10.Nd5 Nbd5 11.cd5= ed5 12.Be2 a4 13.0-0 Ne4 14.d3 Nc5 15.Qc3 Bf8 16.Nd4 Qg5 17.Rac1 Bh3 18.Bf3 c6 19.bc6= bc6 20.Rb1 Rab8 21.Qc2 ½–½. Woelfelschneider,Peter – Svrsek38, 2010.

9.Nc3 c5 10.bc6 bc6 11.cd5 ed5 12.Be2 Rb8 13.0-0 Ne5 14.Ne5 Re5 15.Na4 Bf5 16.d3 Re6 17.Bd4 Ng4 18.Bg4 Bg4 19.f3 Bf5 20.Rf2 Qh4 21.f4 Qh5 22.Nc5 Rh6 23.g3 Re8 24.Nb7 Bf8 25.Nc5 Bc5 26.Qc5 Qg4 27.Qc2 Rhe6 28.Rc1 h5 29.Rd2 Qg6 30.Kf2 h4 '=/ +' 31.Rg1 Qg4 32.Qd1 Qh3 33.Rg2 Bg4 34.Qb1 a4 35.Rb2 hg3 36.hg3 Qh5 37.Rg1 Rh6 38.Rb7 Qg6 39.Rg2 Rh3 40.Rb2 Bf5 41.g4? Bg4 '–+' 42.Rg3 Rh4 43.Rg2 Qh5 44.Rb8 Kh7 45.Re8 Rh2 46.Rh8 Kh8 47.Qb8 Kh7 48.f5 Rh3 49.Ke1? c5 50.Bg7 Kg7–+ 0–1. Buczinski,Henryk (2185) – Lovakovic,Franjo (2210), ZH–2010-0-00441, 2010.

9.Nc3 c5 10.Be2 Qc7 11.g4 Ng4 12.Rg1 d4 (12...Nh2?? 13.Nd5 Nf3 14.Bf3+–) 13.Rg4 dc3 14.Bc3 e5 15.Ng5 Nf6 16.Rg1 Qe7 17.h4 b6 18.Bf3 Ra7 19.h5 h6 20.Ne4 Ne4 21.Qe4 Rc7 22.Qd3 Be6 23.0-0-0 f6 24.Rg6 Kh8 25.Rdg1 Qf8 26.Bd5 Bd5 27.Qd5 (worse is 27.cd5 c4 28.Qe2 Ba3 29.Kd1 Ra8-/+) 27...Rf7 28.Qc6 Rc7 29.Qe4 a4 30.Kd1 Rf7 31.Ke2 Rd8 32.Qc6 Bc7 33.Qe6 Rfd7 34.Qf5 Qf7 35.R1g4 Qf8 36.f3 Rf7 37.Rg2 Qe7 38.Rg1 Qd6 39.R6g2 Rfd7 40.Ra1 Qf8 41.Rd1 Qe7 42.Rg4 Qd6 43.Rdg1 Qf8 44.Rg6 Bb8 45.R6g2 Bc7 46.Qe4 Qd6 47.Ke1 Qe6 48.Rg6 ½–½. Degterev,Pavel (2225) – Pascual_Perez,Norge (2245), SM–2010-0-00110, 2010.

9.Nc3 Nb6 10.Na4 =.

9.Nc3 dc4 10.Bc4 Qe7 11.0-0 Rd8 12.Qe2 cd4 13.ed4 Nb6 14.Bd3 Bd7 15.Ne5 a4 16.Rfe1 Nbd5 17.Nd5 Nd5 18.Qe4 Nf6 19.Qh4 h6 20.Bc1 Nd5 21.Qg4 Nf6 22.Qg3 Kf8 23.Qh4 Nd5 24.Qe4+= Nf6 25.Qb7 Be5 26.Re5 Qd6 27.Be3+/– Nd5 28.Bc4 Rab8 29.Qa6 Nb6 30.Rc5 Nc4 31.Rc4 Qa6 32.ba6 Ra8 33.Bf4 Ra6 34.f3 Rc8 ½–½. Riepe,Bernhard (2015) – Schueller,Rudolf (1890), DESC, 2003.

9.Nc3 cd4 10.Nd4 Nb6 11.cd5 ed5 12.Rc1 Bg4 13.Qb3 a4 14.Qa2 Be5 15.h3 Bh5 16.g4 Bd4 17.gh5 Re8 18.Be2 Be3 (better 18...Be5-/+) 19.fe3+= Re3 20.Nd1 Re6 21.Rc2 (21.Rg1 Nh5 22.Bd4 Qh4 23.Bf2 Qh3=+) 21...Qd6 (21...d4!? 22.0-0 d3 23.Bf6 gf6-/+) 22.Rg1 Nh5 23.Bd4 Rae8 24.Nc3 Qf4 (24...Ng3 25.Qa1 Nc4-/+) 25.Bb6+= Rb6 26.Qd5?? (26.Rg4 Qh2 27.Qd5-/+ (27.Nd5? Rbe6 28.Qb2 Re5-+)) 26...Qh2?? (26...Qh4 27.Kd1 Rd8=) 27.Qh1 Qf4 28.Rg4 Qc7 29.Re4 (29.Ra4 Rb5 30.Qf3 Rb1 31.Nb1 Qc2+/-) 29...Nf6 (better 29...Qg3!? 30.Kd1 Rd8 31.Kc1 Qg5 32.Kb2 Ng3+/-) 30.Re8+/- Ne8 31.Qf3 (31.Na4 Qg3 32.Kd1 Rd6 33.Rd2 Qa3-+) 31...Re6 32.Kd1 Qc5 33.Rd2 (better 33.Nd5 Qd4 34.Qd3 Qg1 35.Bf1+/-) 33...Re3= 34.Ne4 Qa3 (worse 34...Rf3 35.Nc5 Ra3 36.Rd8+-) 35.Rd8 Do you see the mate threat? 35...Kf8 (35...Rf3?? 36.Re8 Qf8 37.Rf8 Kf8 38.Bf3+-) 36.Qf4 Rh3 37.Re8! Ke8 Decoy to e8 38.Qb8 Ke7 39.Qb7 Ke6 40.Ng5 Kf6 41.Nh3 Qa1 42.Kd2 Qb2 43.Ke3 Qc3 44.Bd3 Qc1?? (44...Qe1 45.Kd4 Qa1 46.Kc4 Qc1 47.Kb4 Qb2 48.Ka4 Qd4 49.Ka5 Qc3 50.Kb6 Qd4 51.Kc7 Qe5 52.Kd8 Qd6 53.Kc8 Qf8 54.Kc7 Qe7 55.Kc6 Qe6 56.Kc5 Qe3 57.Kc4 Qh3 58.Qc6 Ke7+-) 45.Ke2+- Qb2 46.Kf3 (46.Kf3 Qb3 47.Qc6 Ke7 48.Qe4 Kd7 49.Qh7+-) 1-0. Adlai - Pepperoni23, internet, 2021.

9.Nc3 Qe7 10.cd5 ed5 11.dc5 Nc5 12.Nd5 Nd5 13.Qd5 Rd8 14.Qd4 Qf8 15.Rd1 Be7 16.Qf4 Rd1 17.Kd1 Bd6 18.Qd4 Be6 19.Ke2 Rc8 20.Ng5 Bb3 21.Ke1 Be7 22.h4 (22.Qg4 Ne6 23.Ne6 fe6 24.Qf4–+) 22...Bf6-/+ 23.Qd2 Rd8 24.Bd4 Bd4 25.ed4 Re8 26.Be2 Bc4 27.dc5 Re2 (27...Be2?! 28.Rh3 Bf3 29.Kf1-/+) 28.Qe2 Be2 29.Ke2 Qc5 30.Rd1 Qe7 31.Kf1 h6 32.Re1 Qf8 33.Nf3 Qa3 34.Re8 Kh7 35.Re3 Qb2 36.Re2 (36.b6 a4 37.Ke1 a3–+) 36...Qb5 37.Nd4 Qd3 38.Nf3 f6 39.Ke1 Qb1 (39...a4!? 40.Nd2–+) 40.Kd2 a4 0–1. nordlicht (1935) – focusedaction (1980), gameknot.com, 2013.

9.Nc3 Qe7 10.cd5 ed5 11.dc5 Nc5 12.Be2 Be6 13.Na4 Nce4 14.0-0 Rac8 15.Qd3 Rc4 16.Nb6 Qc7 (better is 16...Rc5!?=) 17.Nc4+/– dc4 18.Qc2 c3 19.Bc1 Re8 20.Rd1 Bf5 21.h3 Nd7 22.a4 Bg6 23.Bd3 Ndc5 24.b6 Qe7 25.Bb5 Rd8 26.Ba3 Nd2 27.Qc3 Nce4 28.Bd6 Nf3 (28...Nc3? 29.Be7 Nf3 30.gf3 Rd1 31.Rd1 Nd1 32.Bc6+–) 29.Kf1 Nh2 30.Ke1 (30.Ke1 Rd6 31.Qc8 Qf8 32.Qf8 (32.Qb7 Rd1 33.Kd1 Qd6 34.Qd5 Qd5 35.Kc2 Qd2 36.Kb3 Qb4 37.Kc2 Qc3 38.Kb1 Nd2 39.Ka2 Qb3) 32...Kf8 33.Rd6 Nd6 34.Ke2+/–) 1–0. Fels,Bernhard (2025) – Ilyin,Igor (1865), BI–2011–P–00023, 2011.

9.bc6 bc6 10.Nc3 Rb8 11.Rb1 Ba6 12.c5 Bf1 13.Kf1 Bc7 14.g3 e5 15.Qa4 ed4 16.ed4 Ne4 17.Kg2 Qf6 18.Ne4 de4 19.Nd2 Qe6 20.Rhe1 Nf6 21.Qc2 Increases the pressure on e4 21...Rfe8 22.Bc3 Rb1 23.Qb1 h5 24.Qb7= Re7 25.Qa6 Exerts pressure on the isolated pawn 25...h4 26.Kg1 Re8 27.Ba5 Ba5 28.Qa5 h3 29.Nf1 Ng4 30.Qa6 Rd8 31.f3 Nf6 32.Nd2 Qa2 33.Qe2 ef3 34.Nf3 Qa3 35.Rd1 Qa4 Exerts pressure on the backward pawn 36.Qf1 Ra8 37.Re1 Qb3 38.Ne5 Qd5 39.Rd1 Re8 40.Nc4 Re4 0–1. Fournier,Frederic (2500) – Balgan,Romeo (2170), chess.com (team), 2010.

9.bc6 bc6 10.c5 Rb8 11.Qc2 Bc7 12.Nbd2 Ne4 (12...Qe7 13.Bd3=) 13.Ne4 de4 14.Nd2 f5 15.Be2 (15.Rb1 e5+=) 15...Qg5 (15...e5 16.Rd1=) 16.0-0+= Nf6 17.Rfb1 Ra8 (17...Nd5 18.Nc4=) 18.Re1 (18.h3 Nd5 19.Nc4 Ba6=) 18...Nd5= 19.Nc4 Ba6 20.Bf1 Bh2? (better 20...Rf6=) 21.Kh2+– Rf6 22.Kg1 Rh6 23.g3 Qh5 24.Bg2 Qh2 (24...Rb8 25.Ra2 Nb4 26.ab4 Rb4 27.Ra4 Bc4 28.Qc4 Rc4 29.Rc4+–) 25.Kf1 Rg6 26.Bc1 h5 27.Rb1 h4 28.Rb2 (28.Bd2 h3 29.Be4 fe4–+) 28...Rf8 29.Rd1 hg3 (29...h3 30.Bh3 Qh3 31.Ke2 Qg4 32.Ke1 f4 33.ef4 Rh6–+) 30.f4?? (30.fg3 Rg3 31.Ke1 Bc4 32.Qc4 Rg2 33.Rg2 Qg2 34.Qf1–+) 30…ef3!–+ (30...ef3 31.Bf3 Bc4 32.Qc4 Qb2 33.Bb2 Ne3 34.Kg1 Nc4–+) 0–1. Reid,Malcolm (2120) – Munoz Portugal,Guillermo (2130), FICGS, 2017. (=1.Nf3 Nf6 2.b4 d5 3.e3 Nbd7 4.Bb2 e6 5.a3 a5 6.b5 Bd6 7.c4 0-0 8.d4 c5)

9.Nbd2 b6 10.Be2 Bb7 11.0-0 Rc8 12.Rc1 Qe7 13.a4 cd4 14.ed4 Ne4 15.Ne5 Ne5 16.de5 Bc5 17.Ne4 de4 18.Qb3 Rfd8 19.Rcd1 e3 20.f3 Rd2 21.Rfe1 Qh4 0–1. onny555 (1840) – glovio (2140), gameknot.com, 2014.

9.Nbd2 b6 10.Be2 Bb7 11.0-0 Rc8 12.Rc1 Qe7 13.a4 cd4 14.Nd4 Nc5 15.cd5 Nd5 16.Nc4 Bc7 17.f4 Rfd8 18.Bf3 Nb4 19.Bb7 Nb7 20.Ba3 Nc5 (better is 20...Qf6!?+=) 21.Bb4+/– ab4 22.Nc6 Qf6 23.Nd8 Rd8 24.Qf3 Na4 25.Qc6 Qe7 26.Ra1 Nc3 (26...Nc5 27.Ra7 Rd7 28.Rfa1+–) 27.Ra7 (27.Ra7 Nd5 28.e4 Qc5 29.Qc5 bc5 30.ed5+–; 27.Nb6?! Bb6 28.Qb6 Qf8+/–) 1–0. marekt – tomoa, internet, 2014.

9.Nbd2 cd4 10.Nd4 Nc5 11.cd5 ed5 12.Be2 Bd7 13.0-0 Rc8 14.Rc1 Qe7 15.a4 h6 16.g3 (16.Ba3 Nfe4=) 16...Rfe8 17.Qc2 g6 (17...Nfe4 18.Ne4 de4 19.Bc3=) 18.Ra1 Nce4 19.Qd3 Bh3 20.Rfc1 Nc5 21.Qb1 Ng4 22.Rc3 Qf6 23.Qe1 Ne5 24.f4 Ned7 25.Qf2 Nb6 26.Bd1 Nc4 Attacks the backward pawn on e3 27.Nc4 dc4 28.Bf3 Nd3 29.Rd3 cd3 30.Rd1 Qe7 31.Rd3 Bc5 32.Qd2 (32.Qe1 Bd4 33.Bd4 Bf5-/+) 32...Bd4-/+ 33.Bd4 Bf5 34.Rc3 Be4 35.Bd1 Bd5 36.Rc8 Rc8 37.Be5 Be4 38.Kf2 Qb4 (38...Qb4 39.Qb4 ab4=+) 0-1. marekt (2180) - gluv51 (2045), gameknot.com, 2019.

9.cd5 ed5 10.dc5 Nc5 11.Be2 =.

9.Bc4 e5 10.d3 a4 11.0-0 Qe7 12.Nbd2 Nb6 13.Qc2 h6 (worse is 13...Nc4 14.Nc4 (worse is 14.Qc4 Bd7+=) 14...Bd7 15.b6+=) 14.e4 Bg4 (worse is 14...Nc4 15.Nc4 Bd7 16.d4+=) 15.Ba2 Rfe8 16.h3 Bh5 17.Nh4 Ra5 (17...Ba3?? 18.Ba3 Qd7 19.g4 Ng4 20.hg4 Bg4 21.Rfe1+–) 18.Nf5 Qd8 19.f4 ef4 20.Nc4 Bc5 21.Kh1 Rb5 22.Rf4 Nbd7 23.Raf1 Bg6 24.Nh6 Kh7 25.Ng4 Nh5 26.R4f3 c6 27.Nce3 Be3 28.Re3 f6 29.Bc4 Rc5 30.Bd4 Rg5 31.Bc3 b5+= 32.Ba2 Qe7 33.Qb2 Nc5 34.Rff3 Nb3 35.Bb3 ab3 36.Qb3 Bf7 37.Qb4 Qc7 38.Qb2 Ra8 39.e5+/– f5 40.e6 Be8 Black intends f4 41.Ne5 f4 42.Re1 c5 43.d4 cd4 44.Bd4 Qd6 45.Rd3 Rf5 46.Qb1 g6? 47.Qb3+– Qe7 48.Bb2 Ra6 49.Nd7 Rc6 50.Kh2 f3 51.Rf3 Bd7 52.ed7 Qd7 53.Rf5 gf5 54.Qb5 Rc7 55.Qe5 Rc8 56.a4 Kg6 57.a5 Rc6 58.Re3 Qf7 59.h4 Qd7 60.Qb8 Qc8 61.Qc8 Rc8 62.a6 f4 63.Re6 Kf5 64.Rh6 (64.Rh6 Kg4 65.a7+–) 1–0. gioco1b4 (2510) – Keyol (2410), 2013.

9.Bc4 e5 10.d3 Nb6 11.Nbd2 Qe8= 12.0-0 a4 13.Qc2 Bd7 14.Rab1 Qe7 15.h3 Rfd8 16.Rfe1 Rac8 17.Red1 c6 18.bc6 Rc6 19.Bc3 Nfd5 20.Ba1 Bc7 21.Qb2 f6 22.Ba2 Be6=+ 23.Ne4 Rc8 24.Rbc1 Bd6 25.Nd6 Qd6 26.Nd2 Bf7 27.Rc6 Rc6 28.Ne4 Qf8 29.Kh2 Qc8 30.Qb1 h5 31.Bb2 Qc7 32.Kh1 Kf8 33.Kg1 Bg6 34.Kh2 Ne7 35.Bc1 Bf7 36.Bf7 Kf7 37.Bd2 Ned5 38.Kg1 (38.Kg1 Kg8 39.d4+=). Woelfelschneider,Peter – Nirvana, 2009.

9.Bc4 e5 10.d3=+ Qe8 11.Nbd2 Nb6 12.0-0 Bd7 13.Rb1 =.

9.Bc4 Qe7 10.Nc3 e5 11.d3 Nb6 12.Ba2 Be6 13.Be6= Qe6 14.0-0 a4 15.Qc2 Nfd7 16.Rab1 Qb3 17.Qc1 Nc5 18.Rd1 f5 19.Ng5 Kh8 20.Ba1 Qg8 21.Qc2 h6 22.Nf3 Nb3 23.Bb2 Qe6 24.e4 fe4 25.Ne4 Rf3 26.gf3 Nd5 27.Qc4 Ba3 28.Ba1?? Na5 29.Qa2 Nb3 30.Ng3 Bc5 31.Rb3-/+ Nb4 32.Qe2 ab3 33.Qe4 Re8–+ 34.Kg2 Nc2 35.Ne2 Bd4! 36.Bd4 ed4 37.Qe6 Re6 38.Kf1 Rb6 39.Rb1 Rb5 40.Rb2 c5 41.Nf4 Na1 42.Ne6 Ra5 43.Rb1 Kg8 44.Nc7 Kf7 45.f4 Ra2 46.Kg2 b2 47.Kf3 Nb3 48.Ke2 c4! 49.dc4 Nc5 0–1. Buczinski,Henryk – Karg,Hermann, corr Alpert Mem.Cup/23, 2010.

9.Bc4 Qe7 10.d3 Nb6 11.Nbd2 Bd7 12.Qb3 Nc4 13.Nc4 a4 14.Qc2 Bb5 15.0-0 Rfd8 16.Rfc1 Bc4 17.Qc4 c6 18.Ne5 Ra5 19.d4 Rb5 20.Rc2 Be5 21.de5 Nd7 22.f4 Nc5 23.Bd4 (better is 23.Rb1!?–+) 23...Nb3 24.Raa2 Nd4 25.ed4 Rb1 26.Kf2 Qh4 27.Ke3 (27.Kf3–+) 27...Rb3 28.Ke4 b5 29.Qc6 (29.Qc5 f5 30.ef6 Qf6 31.Rc3–+) 29...f5 (29...Qh2 30.Qb6 Qh4 31.Rab2 Ra3 32.Re2–+) 30.ef6 Qf6 31.Qc5 Rd4!! 32.Qd4 (32.Qd4 Qf5#) 32…Qf5 0–1. roy1nc6 (1890) – chessnewblet (1950), gameknot.com, 2012.

10.Be2 Bd7 11.0-0 a4 12.Qc2 Re8 13.Ne5 Rc8 14.Nc6 bc6 15.bc6 Bc6 16.Qc6 Nfd7 17.h3 Rb8 18.d4 e5 19.Qc2 ed4 20.Bd4 Qe7 21.Rd1 c5 22.Bb2 c4 23.Nd2 Be5 24.Bc3 Bc3 25.Qc3 Ne5 26.Rab1 (26.Bc4? Rbc8 27.Bf7 Qf7–+; 26.Nc4?! Nbc4 27.Bc4 Rbc8+=) 26...Qe6 27.Qa5 h6 28.Nf3 Ned7 29.Nd4 Qd6 30.Nb5 Qc5 31.Qb4 Re5 32.Qc5 Rc5 33.Nc3 Kf8 34.f4 g5 35.Bf3 Re8 36.Kf2 Re6 37.g3 f5 38.Rd4 Ke7 39.e4 h5 40.fg5 fe4 41.Ne4 Rf5 42.Kg2 Rd5 43.Rd5 Nd5 44.Kf2 Rb6 45.Rb6 N7b6 46.Bh5 c3 47.Bd1 Nc4 48.Ba4 Na3 49.Ke2 c2 50.Kd2 Nb4 51.Bb3 Nb1 52.Kc1 Na3 53.Nf2 1–0. Degterev,Pavel (2275) – Pedro,Fernando (2100), WC–2011–S–00003, 2008.

10.Be2= Bd7 11.0-0 c6 12.Nc3 Nbd5 13.Qa4 =.

10.Be2= Qe7!?= 11.d4 Bd7 12.0-0 Rfd8 13.Nc3 =.

10.Be2 Qe7 11.d4 Bd7 12.Ne5 Rfc8 13.0-0 c6 14.Nc3 cb5 15.Nb5 Bb5 16.Bb5 Nfd5 17.Qd3 Nc7 18.Rac1 f6 19.Nf3 Nbd5 20.Ba4 b5 21.Bd1 Nb6 ½–½. Woelfelschneider,Peter – DidiH, 2009.

10.Be2= Qe8 11.Bf6+= gf6 12.0-0 f5 13.d4 Kh8 14.Nc3 a4 15.e4 fe4 16.Ne4 Qe7 17.Nd6 cd6 18.Re1 Bd7 19.Rc1 Qf6 20.h4 h6 21.Qd2 Nd5 22.Bc4 Rg8 23.Bd5 ed5 24.Re3 Bb5= 25.Rc7 Bc6 26.Rce7 Rg4=+ 27.Qd1 Qf5 28.g3 Rag8=+ 29.Qd2 Qg6 30.Qa5 Rc8 31.Qd2 Kg8 32.Rc3 Rf8 33.Rce3 Rb8 34.Kg2 Re4 35.Ng1 f5 36.Nh3 Qf6 37.R3e4 fe4 38.Rc7 Qd8 39.Qa5 Qf8 40.Nf4 Re8 41.Kh2 Qf5 42.Qb4 Qf6 43.Kg2 Rf8 44.Kg1 ½–½. Woelfelschneider,Peter – Buczinski,Henryk, corr TT–19, 2006.

8.0-0 d4 9.ed4 (9.Nd4 Nc5+–) 9...c5 10.c4 (10.dc5 Nc5 11.d4 Na4+–) 10...cd4+= 11.Bd4 e5 12.Bb2 e4 13.Nd4 Qc7 14.h3 Bh2 15.Kh1 Be5 16.Qc2 Nc5 (better 16...Rd8 17.Nf5 Bb2 18.Qb2 Ne5=) 17.d3?? (better 17.Nb3=) 17...Rd8–+ (17...ed3?! 18.Bd3 Rd8 19.Rd1=) 18.Nb3 (18.de4 Bd4 (18...Rd4?! 19.Bd4 Bd4 20.Nc3-/+) 19.Bd4 Rd4–+) 18…ed3 (18...ed3 19.Be5 A) 19...dc2 20.Bc7 Nb3 21.Bd8+=; B) worse 19...de2 B1) 20.Bc7?? ef1Q (20...ef1R?! 21.Kh2 Nb3 22.Bd8 Na1 23.Qd3-/+) 21.Kh2 Bh3 22.gh3 Rd3–+; B2) 20.Qe2 Qe7 21.Nc5 Qc5 22.Bf6 gf6 23.Nd2+–; C) 19...Qe5 20.Bd3 Nd3–+; 18...Nd3?! 19.Be5 Qe5 20.Bd3 ed3 21.Qc3 Qc3 22.Nc3-/+) 0–1. Zaichenko,Andrey (1800) – Vasquez,Fernando (1910), FICGS, 2007.

8.0-0 e5 9.c4 dc4+= (9...e4 10.Nd4 dc4 11.Bc4 Ne5 12.Be2 Bg4 13.Nc3 Be2 14.Qe2 Re8) 10.Bc4 (10.Nc3 e4 11.Ng5 Nc5 12.Qc2 Qe7 13.f3 Qe5 14.f4 Qf5) 10...e4 11.Nd4 Bh2 (better is 11...c5 12.bc6 bc6+= (12...Ne5 13.cb7 Bb7 14.Bb5 Qc7) 13.f4 ef3 14.Nf3 Nb6; 11...Ne5 12.Be2 Bg4 13.Nc3 Be2 14.Qe2 Re8) 12.Kh1?? (better is 12.Kh2 Ne5 13.Be2 Nfg4 14.Bg4 Ng4 15.Kg3=) 12...Ne5 13.Nf3?? (better is 13.Qc2 Nc4 14.Qc4–+) 13...ef3 14.gf3 (14.Be5 Be5 15.Qf3 Ba1–+) 14...Ne4 (better is 14...Nc4 15.Kh2 Nb2–+) 15.Ba2 (15.Kh2 Qh4 16.Kg1 Qg5 17.Kh2 Qh5 18.Kg1 Nf3 19.Qf3 Qf3 20.Be2 Qe2 21.Kg2 Bh3 22.Kh3 Qf1 23.Kg4 f5 24.Kf4 Rae8 25.Bg7 Qf2) 15...Qh4 16.fe4 (16.Bf7 Rf7 17.Kg2 Qh3 18.Kh1 Bg3 19.Kg1 Qh2) 16…Bg3 (16...Bg3 17.Kg1 Qh2#) 0–1. Neumann,Frank (1635) – Brueske,Thomas (2360), RSX5D – A00 – Sokolsky–1, 2010.

8.0-0 e5 9.d4 e4 10.Ne5 Re8 11.Ng4 Ng4 12.Bg4 Nb6 13.Nd2 Qh4 14.h3 f5 15.Be2 f4 16.ef4 Bf4 17.c4?? (17.g3 Qh3 18.Bh5 Bd2 19.Bf7 Kf7 20.Qd2–+) 17...Bh3!–+ 18.Re1 (18.gh3 Qh3 Mate attack) 18…Bg2! (18...Bg2 19.Kg2 Qh2 20.Kf1 Qh1) 0–1. Kappel,Ray – Thomas,Gerald, 2011–STP–1 Lechenicher SchachServer, 2011.

8.0-0 Qe7 9.d4 e5 10.Nbd2 e4 11.Ne1 Nb6 12.c4 dc4 13.Nc4 Nc4 14.Bc4 Bh2! 15.Kh2 Ng4 16.Kg1?? (better is 16.Kg3-/+) 16...Qh4–+ 17.Qg4 Bg4 18.Nc2 Rad8 19.a4 Rd6 (19...Rd6 20.f3 ef3–+) 0–1. ejdrzej (1770) – sandisc73 (1690), kurnik, 2012.

8.c4 dc4 9.Bc4 e5 10.0-0 e4 11.Nd4 Bh2 12.Kh2 Ne5 13.Be2 Nfg4 14.Kg3?? (better is 14.Bg4 Ng4 15.Kg3=) 14…Ng6–+ (14...Ng6 15.Nf5 Bf5–+) 0–1. Rush,Bradley – Hickl,Norbert, ZL–2011–0-00931, 2011.

8.d4 Re8 9.c4 dc4 10.Bc4 Nb6 11.Bd3 Bd7 12.0-0 c6 13.Nc3 cb5 14.Nb5 Bc6 15.Ne5 Be5 16.de5 Qd5 17.e4 Ne4 18.Nc7 (18.Nc7 Qd7 19.Na8 Ra8 20.Be4 Be4 21.Qd7 Nd7 22.Rac1+/–) 1–0. Andersen,Lars Kirstein (2015) – Trevis,Robert, BI–2009–P–00016, 2009. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 a5 5.b5 Nbd7 6.e3 Bd6)

6.c4 b6 7.Nc3 (7.d4 Be7=) 7...Bb7 (7...Bd6 8.d4=) 8.Be2 (8.cd5 Nd5 9.Rc1 c5=) 8...c5 (8...dc4 9.Bc4 b5 10.Be2=+) 9.Qb3 (9.cd5!? Nd5 10.bc5 Bc5 11.Nd5 Bd5 12.d3=) 9...dc4-/+ 10.Bc4 b5 (10...Bf3 11.gf3 Ne5 12.Nb1 Nf3 13.Ke2-/+) 11.Be2 c4 (11...Nd5 12.Nd5 Bd5 13.Qc2=+) 12.Qc2= Nb6 13.0-0 Qc7 14.h3 (14.e4 Rc8=) 14...Bd6 (14...Rc8 15.d4=) 15.d3 (15.e4 0-0=) 15...Rc8 16.d4 (better is 16.Rfd1=) 16...Na4 (16...Nbd5 17.Nd2=+) 17.Nd2 (17.Na4 Be4 18.Qd1 ba4 19.Rc1 Bf3 20.Bf3+–) 17...Nc3 (17...Nb2 18.Qb2 0-0 19.Bf3=+) 18.Bc3 Nd5 (18...0-0 19.Rac1=+) 19.Ne4 (19.Bf3 0-0=+) 19...Be7 (19...Bh2 20.Kh1=+) 20.Nc5= Nc3 (20...0-0 21.Nb7 Qb7 22.Rfc1=) 21.Qc3 (21.Nb7?? Ne2 (21...Qb7?! 22.Qc3 0-0 23.Bf3=) 22.Qe2 Qb7–+) 21...0-0 22.a4 Bc5 23.dc5 Ra8 24.ab5 ab5 25.f3 f6 26.Rad1 Rfd8 27.Rd8= Rd8 28.Ra1 Ra8 29.Kf2 e5 30.Ra8= Ba8 31.Qa3 Bc6 32.Qa6 Qb7 33.Qb7= Bb7 34.Ke1 Kf7 35.Kd2 Ke6 36.Kc3 f5 37.Bc4 bc4 38.Kc4 Bc6 39.b5= Bd5 40.Kb4 Kd7 41.Ka5 Kc7 42.Ka6 Bc4 43.f4 ef4 44.ef4 Bf1 45.g4? fg4-/+ 46.hg4 h6 47.Ka5=+ Be2 48.Ka6 Bc4 49.Ka5 Be2 50.Ka6 Kb8 51.c6 Kc7 52.f5 Bd3 53.Ka5-/+ Be4 54.Ka6 Bc6 55.bc6 Kc6 56.Ka7 Kd6 57.Kb7 Ke5 58.Kc7 Kf6 59.Kd6 g6 60.fg6 Kg6 61.Ke5 Kg5 62.Ke4 Kg4 63.Ke3 Kg3 64.Ke2 Kg2 65.Ke3 0–1. Schinkmann,Karl – Rabitzsch,Manfred, GER–ch Seniors, 2001.

6.c4 c6 7.d3 b6 8.Nbd2 Bb7 9.cd5 cd5 10.Be2 b5 11.0-0 Be7 12.Qb3 Nb6 13.Rfc1 Rc8 14.Rc8 Nc8 15.Rc1 Nd6 16.Ne5 0-0 17.Nc6 Bc6 18.Rc6 Nf5 (18...a5 19.Nf3+=) 19.Qc2 (19.Ra6 Qd7 20.Rb6 Rc8+/–) 19...a5+= 20.ba5 Qa5 21.Nb3 Qe1 22.Bf1 Ne3 (better is 22...b4!? 23.ab4 Qb4+=) 23.fe3+/– Qe3 24.Kh1 (24.Qf2!? Qf2 25.Kf2 Ng4 26.Kg3+/–) 24...Ng4+= 25.Bd4?? (better is 25.g3+=) 25...Nf2?? (better is 25...Qf4 26.Bg1 Qf1–+) 26.Kg1 (better is 26.Qf2 Qf2 27.Bf2 Ba3 28.Rb6+–) 26...Nh3= 27.Kh1 Nf2 28.Qf2 Qf2 29.Bf2 Ba3 30.Bc5 Ra8 (30...Bc5 31.Nc5 Ra8+–) 31.Ba3 Ra3 (31...f6 32.Bd6 b4+–) 32.Rc8 1–0. Fournier,Frederic (1910) – 15m (1940), Active, 2004.

6.c4 c6 7.d4 Qc7 (7...Be7 8.c5=) 8.Nc3 h6 (8...b6 9.Rc1+=) 9.Qb3 (9.c5 Be7+=) 9...dc4 10.Bc4 b5 (10...Be7 11.0-0+=) 11.Bd3+– Bb7 (11...Bd6 12.0-0+–) 12.0-0 g5 (12...a5 13.ba5 Ra5 14.Rfc1+–) 13.a4 Rd8 (13...Bd6 14.h3+–) 14.h3 (14.Rfc1 Qd6+–) 14...Rg8 (14...Qd6 15.Qc2+=) 15.Rfc1 (15.Ne1 g4 16.h4 Be7+=) 15...Qb8 (15...Qd6 16.Qc2+=) 16.e4 (16.Ne1 g4 17.h4 Nb6+–) 16...h5 (16...g4 17.hg4 Rg4 18.Re1+=) 17.ab5 (17.e5 g4 18.hg4 hg4+=) 17...cb5+= 18.d5 ed5 (18...Be7!?+=) 19.Nd5+– Nd5 (19...Bd5 20.ed5 Qd6 21.Re1 Be7 22.Nd4 Qd5 23.Qc3+– (23.Ra6?! Qb3 24.Nb3 Kf8+–)) 20.ed5+– Bd6? (better 20...Be7!? 21.Bh7 Rf8+–) 21.Bh7 g4 (21...Kf8 22.Bg8 Kg8+–) 22.Qe3 Kf8 (22...Be7 23.Bg8 gf3 24.Bf7 Kf7 25.Qe6 Kf8 26.Qh6 Kf7 27.Qg7 Ke8 28.Qg6 Kf8 29.Bg7 Kg8 30.Bh6 Kh8 31.Qg7) 23.Qh6 Ke7 (23...Ke8 24.Re1 Be7 25.Re7 Ke7 26.Re1 Ne5 27.Ne5 Qe5 28.Be5 Rd5 29.Bb8 Kd7 30.Bf5 Rf5 31.Qd6 Kc8 32.Qc7) 24.Re1 Ne5 25.Be5 Be5 26.Ne5 (26.Ne5 Bd5 27.Nc6 Kd7 28.Re7 Kc8 29.Bf5 Be6 30.Be6 Rd7 31.Bd7 Kb7 32.Na5 Ka8 33.Bc6 Qb7 34.Bb7 Ka7 35.Qa6 Kb8 36.Nc6) 1–0. Janek – Andgrite, internet free game, 2017.

6.c4 Be7 7.d4 0-0 8.Nbd2 a5 9.b5 Ne4 (9...c5 10.Be2=) 10.Bd3+= Ndf6 11.Qc2 Nd2 12.Nd2 Bd7 13.a4 dc4 14.Nc4 Bb4 15.Ke2 (15.Bc3 Bc3 16.Qc3 c6+=) 15...c6= 16.Nb6?? (better is 16.b6=) 16…Qb6–+ 0–1. Aragon Hermida,JA – Sanchez Osorio,J, Spain–Cup2 corr, 1987. (=1.Nf3 d5 2.b4 Nf6 3.e3 e6 4.a3 a6 5.Bb2 Nbd7)

6.d4 a5 7.b5 Nb6 8.Bd3 Bd6 9.0-0 0-0 10.Ne5 Na4 11.Ra2 =.

6.d4 b5 7.Nbd2 Bb7 8.Nb3 Rb8 9.Bd3 Nb6 (9...Bd6 10.Nc5=) 10.Nc5 Bc5 (10...Bd6 11.Ne5+=) 11.dc5+= Nc4 12.Bc4 (12.Bd4 0-0+=) 12...dc4= 13.Qe2 (13.Ne5 Qd1 14.Rd1 Be4+=) 13...Qe7 14.Ne5 Bd5 15.f3 0-0 16.c6 (16.e4 Ba8+=) 16...Qe8= 17.Bd4 Bc6 (17...Kh8!?=) 18.Bc5+– (worse 18.Nc6 Qc6 19.Bf6 gf6=+) 18...Nd5 (18...Bb7 19.0-0+–) 19.e4 Nc3 (19...Nf4 20.Qd2 Ng6 21.Ng6 fg6 22.Bf8 Qf8 23.Rd1+–) 20.Qe3+– Na4 21.Bf8 Kf8 22.Qa7 Rb7 (22...Rc8 23.0-0+– (23.Qa6?! Nb6 24.Qa7 f6=)) 23.Qa6 Rb6 24.Qa7 f6 25.Nc6 Qc6 26.Rd1 (26.0-0 Nc3+–) 26...Ke7+– 27.0-0 (27.Ra1 Nc3 28.0-0 e5+–) 27...Nb2 (27...Ra6 28.Qe3+–) 28.Ra1 (28.Rde1 Ra6 29.Qf2 Qb6 30.Qb6 Rb6+–) 28...c3 (28...Ra6 29.Qf2 Qb6 30.f4+–) 29.f4+– Kf7 (29...Nc4 30.Rf3 Nd6 31.Rd1+–) 30.Rf3 Qc4 (30...h6 31.e5+–) 31.e5 f5 32.Qa8 Qd4 33.Kh1 Nd1 34.h3 Ne3 (34...Nf2 35.Kh2 Ne4 36.Qc8+–) 35.Qh8 (35.Qh8 Nd1 36.Qh7+–) 1–0. pcmvr – mgilbert, net–chess.com, 2017.

6.d4 b5 7.Nbd2 Bd6 8.Bd3 Nb6 9.0-0 0-0 10.Ne5 Na4 11.Ra2 =.

6.d4 b5 7.Bd3 Bd6 8.Nbd2 A1) 8...0-0 9.0-0 Bb7 10.Nb3 (10.Ne5 Ne4 11.f3=) 10...Ne4= 11.Na5=; A2) 8...Bb7 9.Ne5 0-0 10.0-0 Ne4 11.f3=.

6.d4 Bd6 7.c4 =.

6.d4 Bd6 7.Bd3 a5 8.b5 c5 9.bc6 bc6 10.Nbd2 c5= 11.c4 =.

6.d4 Bd6 7.Bd3 c6 8.c4 dc4 9.Bc4 a5 10.b5 Nb6 11.Bd3 =.

6.d4 Be7 7.Bd3 0-0 8.0-0 c6 9.c4 Qc7 10.Nc3 dc4 11.Bc4 Nd5 12.Ne4 N7b6 13.Bb3 Nf6 14.Nf6+= Bf6 15.Rc1 Rd8 16.Qd3 g6 17.h4 Qe7 18.h5 e5 19.hg6 hg6?? 20.Qg6+– Kf8 21.Qh6 Ke8?? 22.de5 Be5 23.Be5 Be6 24.Bf6 (24.Bf6 Qf8 25.Qf8 (25.Bd8 Qh6 26.Bb6 Bb3=+) 25...Kf8 26.Bd8 Rd8 27.Be6 fe6 28.Rfd1 Rd1 29.Rd1+–) 1–0. Wall,Bill – Nutt, internet, 2005.

6.Be2 c6 7.c4 dc4 8.Bc4 c5 white timed out 0–1. chessxliv (2130) – mrrook (2225), net–chess.com, 2014.

6.Be2 Bd6 7.0-0 0-0 8.d4 Nb6 9.Ne5 Nfd7 10.Nd2 a5= 11.b5 =.

6.Be2 g6 7.0-0 Bg7 8.d3 0-0 9.Nbd2 c5 10.c4 b6 11.Rb1 Rb8 12.Qc2 Bb7 13.Rfc1 cb4 14.ab4 Rc8 15.Qb3 White intends b5 15...dc4 16.Nc4 Qe7 17.b5 a5 (17...ab5!? 18.Qb5 Rc5+=) 18.Ba3+/- Nc5 (18...Qd8!?+/-) 19.Qc2+- Qc7 20.Nb6! Qb6 21.Bc5 Qd8 22.b6 Re8 23.Qa4 Nd5 (23...Nd7 24.Ba3 Rc1 25.Bc1+- (25.Rc1?! Bf3 26.Bf3 Nb6+/-)) 24.Qa5 Ra8 25.Qe1 Ra2 (25...e5 26.Qd2+-) 26.d4 Qd7 (26...Qb8+-) 27.Bb5 Bc6 (27...Qc8+-) 28.Bc6 Qc6 29.b7 Rb8 (29...h6 30.b8R Rb8 31.Rb8 Kh7 32.Rcb1+-) 30.Ba7! (30.Ba7 Qb7 31.Bb8+-) 1-0. Pereira – Windings, internet, 2021.

7.Bc4 Nb6 8.Be2 h6 (8...Bd6 9.0-0=) 9.0-0+= Be7 (9...Bd6 10.Be5+=) 10.Nc3 (10.Qc2 Bd7+=) 10...0-0 11.Qc2 Nfd5 (11...Bd7 12.Ne5+=) 12.Ne5 (12.Rfc1 Bd7+=) 12...Bf6 (12...Nd7 13.d4+=) 13.Ne4 Be5 (13...Be7 14.d3+=) 14.Be5 c6 (14...Nd7 15.Bb2+=) 15.f4 (15.d4 f6 16.Bd6 Rf7+/–) 15...Nd7 16.Bd4 N7f6 (16...f6 17.Nc5 Nc5 18.Bc5+/–) 17.Nf6 Nf6 18.Rf3 (18.d3 Re8+/–) 18...Nd5 (18...a5 19.b5+/–) 19.Rg3 Nf6 20.Qb2 (20.Qc3 Kh7+/–) 20...Kh8 21.Rc1 Rg8 22.Rc5 Qe7 (22...Ne8!?+/–) 23.Rh3+– Bd7?? (better is 23...e5 24.Re5 Qd6+–) 24.Rh6!! gh6 25.Bf6 Qf6 26.Qf6 Kh7 27.Bd3 (27.Bd3 Rg6 28.Qf7 Kh8 29.Bg6 Rd8 30.Qh7#) 1–0. marre – vokf, internet, 2010.

7.Bc4 c5 8.0-0 A) 8...cb4 A1) 9.Be2 b6 (9...ba3 10.Na3 b6 11.Nd4 Bb7=) 10.Qa4 Bb7 11.ab4 b5=+; A2) 9.ab4 Nb6 (9...Bb4 10.d4 0-0 11.Bd3 b5=) 10.Be2 Bb4 11.Qb3 a5=; B) 8...b5 9.Be2 cb4 (9...Bb7 10.bc5 Nc5 11.Bf6 Qf6=) 10.ab4 Bb7 11.Qb3 Bd6=+.

7.Bc4 c5 8.Qa4 A) 8...cb4 A1) 9.Be2 ba3 (9...Bd6 10.ab4 0-0 11.b5 e5=+) 10.Ba3 Be7 11.0-0 0-0=+; A2) 9.ab4 Be7 (9...Bd6 10.0-0 0-0 11.Qb3 Qe7=) 10.Bf6 gf6 11.Be2 0-0=; B) 8...Rb8 9.Be2 (9.Qb3 b5 10.Be2 Bd6 11.0-0 0-0=+) 9...b5 10.Qb3 Bd6 11.d4 cb4=+.

7.Bc4 c5 8.b5 b6 9.0-0 (9.Qa4 Nd5 (9...Bd6 10.ba6 Bb7 11.d3 0-0+=) 10.Nc3 Nc7 11.Qc2 Bd6+=; 9.d3 ab5 (9...Bd6 10.Qa4 0-0 11.ba6 Ba6=) 10.Bb5 Bd6 11.Nbd2 0-0=; 9.a4 ab5 (9...Bd6 10.ba6 0-0 11.Na3 Ba6+=) 10.Bb5 Bd6 11.Na3 0-0=) 9...a5 (9...ab5 10.Bb5 Bd6 11.Bc6 Ra5=; 9...Bd6 10.ba6 Ba6 11.Ba6 Ra6+=) 10.a4 (10.Ng5 Bb7 11.f4 g6+–) 10...Bb7 (10...Bd6 11.Na3 0-0=) 11.Nc3 (11.d3 Bd6+=) 11...Be7 (11...Qc7=) 12.Qc2 0-0 13.Be2 Nd5 14.Rac1 Bf6 15.d4 Rc8 16.Qb1 cd4 17.Nd4? (17.Nd5 Bd5 18.Bd4 Bd4 19.Rc8 Qc8 20.Nd4 Nc5=) 17...Nc5 (17...Bd4!? 18.ed4 Nf4–+) 18.Ba3 (18.Nd5 Bd5 19.Bd3 Na4 20.Bh7 Kh8 21.Rc8 Qc8=+) 18...Be7 (18...Nc3 19.Rc3 Bd4 20.ed4 Qd4 21.Rc4-/+) 19.Bc5 (19.Nd5 Bd5 20.Bf3 Bf3 21.Nf3 Qd5+=) 19...Bc5 20.Nd5 Bd5 21.Rfd1 Qf6 22.Bc4 Bb7 23.Nb3? (better 23.Bd3 Qh4 24.g3=) 23...Ba3–+ 24.Rc2 (better 24.Bd3 Bc1 25.Nc1–+) 24...Qg6 25.f3 Bf3 26.Bd3 Qg5 (26...Rc2!? 27.Qc2 Bd1 28.Qd1–+) 27.Rdd2 Qe3 28.Kh1 Rc2 29.Bc2 Bd5 30.Rd3 (30.Qg1 Qg1 31.Kg1 Rc8–+) 30...Qh6 (30...Qf2 31.Rg3 Bd6 32.Bh7 Kh8 33.Be4 Bg3 34.Bd5 ed5 35.Qg1–+) 31.Na5? (31.Nd4 Bc5 32.Nf3–+) 31...Bd6 (worse 31...ba5 32.Ra3 Qd2 33.Bh7 Kh8 34.Qf1–+) 32.Qg1 ba5 33.Bb3 Rc8 34.Bd1 (34.Rd1 Bb3 35.Rd6 Bd5–+) 34...Rc1 35.h3 (35.b6–+) 35...Qf4 36.b6 Qf5 37.Qe3 Qf1 38.Qg1 0–1. Szymanski,Leszek (1840) – Pawlicki,Dariusz (1700), Szachowe Lato Poznan Poland, 2011.

7.Bc4 c5 8.b5 Nb6 A) 9.Bf1 ab5 (9...Bd6 10.ba6 0-0 11.ab7 Bb7=) 10.Bb5 Bd7 11.Bf6 gf6=; B) 9.Be2 ab5 10.Bb5 Bd7 11.Bf6 gf6=.

7.Bc4 c5 8.bc5 Bc5 9.d4 Be7 10.a4 0-0 (10...Bb4 11.Nbd2=) 11.0-0 Nb6 (11...Rb8 12.Nc3=) 12.Bd3 Bd7 (12...Nbd5 13.Ne5=) 13.Ne5 (13.Nc3 Rc8+=) 13...Nbd5 14.Nc3 Rc8 (14...Nc3 15.Bc3 Rc8 16.Bd2+=) 15.Qb3 (15.Nd5 ed5 16.Qb3 Re8+=) 15...Nc3 (15...Nb4 16.Be2+=) 16.Bc3 Nd5 (16...Bc6 17.Nc6 Rc6 18.Rab1+=) 17.Bd2+/– (17.Qb7?! Rc3 18.Nd7 Rc7 19.Bh7 Kh8 20.Qa6 Qd7=) 17...b5 (17...Rb8 18.e4 Nf6 19.Bf4+/–) 18.Nd7 ba4?? (better is 18...Qd7 19.ab5 ab5 20.Bb5 Qd6+/–) 19.Qa4+– 1–0. Janek – yxdjango, internet, 2017.

7.Bc4 c5 8.bc5 Nc5 9.0-0 b5 10.Be2 Bb7 11.Bf6 Qf6=.

7.Bc4 c5 8.bc5 Nc5 9.a4 Nd3 10.Bd3 Qd3 11.Ne5 Qf5=.

7.Bc4 c5 8.bc5 Nc5 9.d4 b5 10.dc5 Qd1 11.Kd1=.

7.Bc4 c5 8.bc5 Nc5 9.Be2 b5 (9...Nd3 10.Bd3 Qd3 11.Ne5 Qd8=) 10.0-0 Bb7 11.Bf6 Qf6=.

7.Bc4 c5 8.Be2 A) 8...b6 A1) 9.b5 ab5 (9...Bd6 10.Nc3 0-0 11.0-0 Nd5=) 10.Bb5 Bd6 11.d3 0-0=; A2) 9.Bc3 Bb7 (9...Be7 10.d4 cb4 11.Bb4 0-0=) 10.0-0 Qc7 11.d4 cb4=; A3) 9.bc5 Bc5 10.d4 Bd6 11.Qd3 Bb7=; B) 8...b5 9.bc5 (9.0-0 Bb7 10.bc5 Nc5 11.Bf6 Qf6=) 9...Nc5 (9...Bc5 10.a4 b4 11.d3 0-0=) 10.0-0 Bb7 11.Bf6 Qf6=; C) 8...cb4 C1) 9.Qa4 ba3 (9...Bd6 10.ab4 0-0 11.b5 e5=+) 10.Ba3 Be7 11.0-0 0-0=+; C2) 9.0-0 b6 (9...ba3 10.Ba3 Ba3 11.Na3 0-0=+) 10.Qa4 Bb7 11.ab4 b5=+.

8.Bb3 Bb7 9.0-0 Bd6 (9...c5 10.bc5 Bc5 11.d4=) 10.h3 (10.d4 0-0=) 10...0-0 (10...c5 11.bc5 Nc5 12.Bc2=+) 11.d4 Re8 (11...a5 12.Nc3 Qb8 13.Qe2=) 12.Nbd2 Qe7 13.Re1 (13.Qe2 a5=) 13...Qd8 (13...a5 14.ba5 Ra5 15.a4=) 14.Qc2 e5 (14...a5 15.ba5 c5 16.a4=) 15.Qc3 (better is 15.de5!? Ne5 16.Ng5=) 15...e4=+ 16.Nh2 Bh2 (16...Nb6 17.Rec1=+) 17.Kh2= Bd5 18.Rac1 Rc8 19.Bd5 Nd5 20.Qc6 N7b6 21.Kg1 Re6 22.Qc2 Qe7 23.Nb3 Rh6 24.Nc5 f5 (24...Nc4 25.Bc3 Re8 26.a4=+) 25.Na6= Nc4 26.Nc5 Qg5 27.Qb3 (27.Kh2!?=) 27…Rg6=+ ½–½. Agrest,Anton – Bogatto,Mario, III Campionato Ue, 2007.

8.Bb3 c5 9.Nc3 Bb7 10.bc5 Nc5 11.0-0 (11.Bc2 Nd3 12.Bd3 Qd3=+) 11...Nd3 12.Qc2 Rc8 (12...Bf3 13.gf3 Rc8 14.Rfb1-/+) 13.Nd4 Nb2 14.Qb2 Bc5 15.Nce2 Bd6 16.Rac1 Rc1 17.Rc1 0-0 18.d3 Qe7 19.Nc6 (19.Nc2 Ng4 20.h3 Ne5-/+) 19...Qc7 (19...Bh2 20.Kh2 Qd6 21.Kg1 Bc6 22.d4-/+) 20.Ne5 Qa5 21.Ra1 Be5 22.Qe5 Qd2 23.Nd4 Rc8 (23...Qf2 24.Kf2 Ng4 25.Ke2 Ne5 26.g3-/+) 24.Rf1 Qd3 25.Rd1 Qc3 26.Qd6 h6 27.h3 Qc5 28.Ne2 Qd6 29.Rd6 Ne4 30.Rb6 Rc7 31.a4 Rd7 (better 31...ba4!? 32.Ba4 Nc5-+) 32.ab5=+ a5 33.Nd4 Nd6 34.Nf3 (34.Ne6 Nc8 35.Rc6 Bc6 36.bc6 Ra7-/+) 34...Nc8-/+ 35.Re6 fe6 36.Be6 Rf7! 37.Ne5 (37.Bf7 Kf7 Combination) 37...Nd6 38.f3 a4 39.Kf2 (39.e4 a3 40.Nf7 Nf7-+) 39...Kf8 (39...a3 40.Nf7 Nf7 41.f4-+) 40.Bf7 Nf7 41.Nc4 Ke7 42.e4 Ne5! 43.Na3 (43.Ne5 a3 Passed pawn) 43...Kd6 44.f4 Nd7 (44...Be4?! 45.fe5 Ke5 46.b6=+) 45.e5 Kc5 46.g4 Kb4 47.Nc2 Kb3 48.e6 (48.Nd4 Kc3 49.e6 Nf6 (49...Kd4?? 50.ed7 Kc5 51.d8Q Kb5 52.Qd3 Kb6 53.Qd4 Kb5 54.Qb2 Ka6 55.Qg7+-) 50.Ne2 Kd2-+) 48…Nf6 (48...Nf6 49.Na1 Kb2-+; 48...Kc2?? 49.ed7 a3 50.d8Q+-) 0-1. marekt (2195) - tibomayapaul (2325), gameknot.com, 2015.

8.Bb3 c5 9.bc5 Nc5 10.Bc2 =+.

8.Be2 Bb7 9.0-0 Be7 10.d4 0-0 11.Nbd2 Rc8 12.Rc1 c6 (12...Bd6 13.Nb3=) 13.Nb3+/- h6 14.Rc2 Nd5 15.Qd2 N7f6 (15...Qc7 16.Rfc1+/-) 16.Rfc1 Qb6 17.Na5 Ba8 (17...Ne4 18.Qd3 Nef6 19.g3+/-) 18.Ne5 Ne4 19.Qd3 Rfe8?? (better 19...Nef6+-) 20.Qe4 1-0. Pereira – Adlai, internet, 2021.

8.Be2 Bb7 9.d4 Bd6 10.0-0 0-0 11.Nbd2 (11.Nc3 Nb6=) 11...Re8 (11...Nb6 12.Qc2=) 12.Qc2+= e5 13.de5 (13.Rad1 e4 14.Ne5 Qe7= (worse 14...Be5 15.de5 Ne5 16.Ne4+–)) 13...Ne5 14.Rfd1 (14.Rad1 Qe7+=) 14...Qe7 (14...Nf3 15.Bf3 Bf3 16.Nf3+=) 15.Ne5+– Be5 16.Be5 Qe5 17.Rac1 Rac8 (17...Nd5 18.Nf3 Qf6 19.Nd4+–) 18.Bf3 Bf3 (18...Nd5 19.Qd3+–) 19.Nf3+– (19.gf3?! Qg5 20.Kh1 Nd5=) 19...Qe7 (19...Qe6 20.Nd4 Qb6 21.Rd3+–) 20.Qc6 Qe6 21.Nd4 Qe5 (21...Qd6!?+–) 22.Qa6+– Red8 (22...Rcd8 23.h3 Rd5+–) 23.Nc6 (better 23.Qb5 Qb5 24.Nb5 Rd1 25.Rd1+–) 23...Rd1 (23...Qe6+–) 24.Rd1 Qh5 (24...Qe4 25.Qc8 Ne8+–) 25.Qc8 (25.Qc8 Ne8 26.Qe8) 1–0. Kesmaecker,Philippe (2275) – Toux,Stephane, Gouesnou op, 1999.

8.Be2 c5 9.0-0 Bb7 10.bc5 Bc5 11.d4 Bd6 12.Nc3 0-0=+ 13.Bd3 Rc8 14.Qe2 Ng4 15.e4= Be7 16.Nd2 Ngf6 17.d5 ed5 18.e5 Ne8 19.Nf3 Nc7 20.Nd4 Re8 21.Nf5 Nc5 22.Qg4 Bf8?? 23.Nh6+– Kh8 24.Nf7 (24.Nf7 Kg8 25.Nd8 Rcd8 26.Bf5+–) 1–0. Popkirova,Kalina – Rehberg,Anja, JBL NW, 1995.

8.Be2 c5 9.bc5 Nc5 10.0-0 Na4 11.Be5 Bd6 12.d4 0-0 13.Qb3 Bb7 14.Nbd2 Bd5 15.Qd3 Bb7 16.Rfc1 h6 17.Rc2 Be5 18.Ne5 Qd6 19.Bf3 Bf3 20.Ndf3 Rac8 21.Rac1 Rc2 22.Rc2 (worse is 22.Qc2 Qa3 23.Nd3 a5-/+) 22...Nb6 23.Rc6 Qb8 24.Qc2 Nfd5 25.Qc5 Na4 26.Qc1 Ndb6 27.Rc2 Qd6 28.Nd2 Qd5 29.Rc7 Qa2 30.Nd3 a5 (better is 30...Qd5!?+/–) 31.e4+– Nc4 32.Nc4 bc4 33.Rc4 Nb6 34.Rc2 Qb3 35.Ne5 Qa4 36.Nc6 Kh7 37.Rc3 Rc8 38.Qc2 Qc2 39.Rc2 a4 40.f4 f5 41.ef5 ef5 42.Kf2 g5 43.fg5 hg5 44.Ke2 Kg7 45.Kd3 Kf6 46.Rc5 Ke6 47.Ne5 Rc5 48.dc5 Nd5 49.Nf3 g4 50.Nd4 Ke5 51.g3 Ne7 (better is 51...f4 52.gf4 Nf4 53.Kc4 Nd5 54.Nc6 Ke4+–) 52.Kc4 Ke4 53.c6 Nc8 54.c7 f4 55.gf4 Kf4 56.Kd5 Ke3 57.Nf5 Kf2 (57...Kf4 58.Ke6 Na7+–) 58.Kc6 Kg2 59.Kb7 Kh2 1–0. Liptak,Tibor – Rekasi,Zsolt, HUN–ch E355 corr, 1998. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 Nbd7 5.e3 a6 6.c4 dc4 7.Bc4 b5)

8.Be2 c5 9.bc5 Nc5 10.0-0 Bb7 11.d3 (11.Be5 Ng4=) 11...Na4 (11...Rc8 12.e4=+) 12.Bd4= Be7 (12...Rc8 13.Ne5=) 13.Nc3 (13.Ra2 Bd5 14.Rd2 Bc5=) 13...Nc3 14.Bc3 0-0 15.Nd4 (15.Qd2 Rc8=) 15...Rc8=+ 16.Bb2 Qd5 (16...Qd7 17.Bf3=+) 17.Bf3= Qd7 18.Qe2 (18.Bb7 Qb7 19.Qe2 Rfd8=) 18...e5 (18...Nd5 19.Rfc1=) 19.Bb7= Qb7 20.Nf5 Rfe8? (20...Qd7 21.e4 Qe6 22.f4 ef4 23.Rf4+= (worse 23.Ne7 Qe7 24.Rf4 Nd7=)) 21.Rac1 (21.Be5!? g6 22.Nh6 Kf8 23.a4+–) 21...Bf8 (21...Qd7 22.Rc8 Rc8 23.e4+=) 22.d4 (22.f4 Rc1 23.Rc1 Nd7 24.fe5 Ne5=) 22...Qe4 (22...e4!?=+) 23.Ng3 (23.de5 Nd5 24.Qh5 g6 25.Nh6 Kg7+=) 23...Qd5 (23...Qg6 24.de5 Ng4 25.f4=) 24.e4 (24.de5 Nd7+=) 24...Qb3= The isolani on a3 becomes a target 25.de5 Nd7 (25...Rc1 26.Rc1 Ba3 27.Rc2=) 26.f4 (26.Rc8 Rc8 27.Rd1 Nb6+=) 26...Ba3 (26...Rc1 27.Bc1 Ba3 28.Ba3 Qa3 29.Nf5=) 27.Ba3 Qa3 28.Ra1 Qc5 29.Kh1 Ra8 (29...Qc6 30.Nf5 Rc7 31.Qg4+=) 30.Nf5 Nf8 (30...Qf8 31.Nd6 Red8 32.Ra5+=) 31.Qg4 (31.Nd6 Reb8+=) 31...Ng6 (31...Ne6 32.Rac1 Qb6 33.Rc3+=) 32.Nd6 Rf8 (32...Red8 33.Qg3 Qc7 34.Rad1+=) 33.Rfc1 (33.Rad1 Ra7+=) 33...Qe3 (33...Qd4 34.Qg3+=) 34.Rf1 b4 (34...Qc5 35.Qg3+=) 35.Rae1 (35.e6 fe6 36.Qe6 Kh8 37.Nf7 Rf7 38.Qf7 Qe4+–) 35...Qd3 (better 35...Qc5+=) 36.f5?? (better 36.Rd1 Qb3 37.Rb1+=) 36...Ne5–+ 37.Qg5? (37.Qd1–+) 37…Qd6 0–1. GuestXBCD – GuestLFWJ, freechess.org, 2016.

8.Be2 Bd6 9.0-0 =.

8.Be2 Be7 9.d4 0-0 10.0-0 Bb7 11.Nbd2 Nb6 12.Rc1 Rc8 13.Nb3 Re8 14.Ne5 Nfd7 15.Bf3 Bf3= 16.Nf3 Nf6 17.Ne5+= Qd7?? 18.Nd7+– Nfd7 19.Nc5 Nf6 20.Na6 Nc4 21.Qe2 Red8 22.a4 c6 23.ab5 cb5 24.Nc5 h6 25.Bc3 Re8 26.f3 Bf8 27.e4 Be7 28.Nb3 Bd8 29.Nd2 Na3 30.Bb2 Nc4 31.Nc4 (31.Nc4 bc4 32.Rc4+–) 1–0. Vesson,Eric – Mazaltob,Gerald, Saint Quentin op, 2000.

7.Qa4 dc4 8.Bc4 Rb8 =+.

7.b5 ab5 8.cb5 c4 9.d3= Qa5 10.Nc3 cd3 11.Bd3 Nc5 12.0-0 Bd6 13.Qc2 Nd3=+ 14.Qd3 Qc7 15.Rac1 Qe7 16.Qc2 0-0=+ 17.Nd5?? ed5–+ 18.Ng5 Ne4 19.Ne4 de4 20.Qc3 f6 21.Qc4 Kh8 22.Qc3 Be5 23.Qc2 Bb2 24.Qb2 Ra3 25.Rc4 Ra8 26.Qc2 Bf5 27.Rc1 h6 28.Rc7 Qe5 29.Rb7 Ra1 30.h3?? Rc1 31.Qc1 Rc8 32.Qa3 Rd8 33.g4 Be6 34.Qa7? Qg5 35.Qb6?? Rd1 36.Kh2 Qe5 37.Kg2 h5 38.Qc7?? Qg5–+ 39.Rb8 Kh7 40.Qc2 Rd7 41.Qe4+– Bf5 42.Qf5 Qf5 43.gf5 Kh6 44.h4 Rd5 45.Rh8# 1–0. Inskip,N – Kumar,V, Carmarthen 'A' v NCE, 2003.

7.b5 Bd6 8.d4 =+.

7.bc5 Bc5 8.d4 Be7 =.

7.bc5 Nc5 8.d4 Nce4 9.Bd3 Qa5 10.Nfd2 dc4 11.Bc4 Be7 12.0-0 0-0 13.Bd3 Nd2 14.Nd2 Bd7 15.Nc4 Qg5 16.Ne5 Bb5 17.Bb5 ab5 18.Qb3 b4 19.ab4 Ra1 20.Ra1 Nd5 21.b5 Rc8 22.h3 f6 23.Nf3 Qf5 24.Rc1 Rc1 25.Bc1 g5 (25...Kf7!?+/-) 26.Nd2+- Qg6 27.g3 (better 27.Ba3 Ba3 28.Qa3+-) 27...h5? (better 27...Bb4+/-) 28.e4+- Nc7 29.b6 Na6 (29...Ne8 30.Qe6 Qf7 31.Qc8+-) 30.Qe6 Kf8 31.Nc4 Qf7 (31...Qe8 32.h4+-) 32.Qf7 (better 32.Qc8 Qe8 33.Qb7 Nb8+-) 32...Kf7 33.f4 Ke6 (33...g4 34.hg4 hg4 35.Bd2+-) 34.fg5 fg5 35.Kf2 (35.d5 Kd7+-) 35...Nb4 36.Ke3 (better 36.Bd2+-) 36...Nc6 (36...g4 37.h4 Kd7+-) 37.d5 Kd7 38.dc6 Kc6 39.Bb2 Bc5 40.Bd4 Kb5 41.Bc5 Kc5 (41...Kc4 42.Be7 g4 43.hg4 hg4 44.Kf4+-) 42.Kd3 h4 43.gh4 gh4 44.e5 Kd5 45.Ke3 Kc4 46.e6 (46.e6 Kc3 47.e7 Kc4 48.e8Q Kc5 49.Qd8 Kb5 50.Qc7 Kb4 51.Qb7 Kb3 52.Qd5 Kc2 53.b7 Kc3 54.b8Q Kc2 55.Qd2) 1-0. jhonores (2210) - darken (2165), Rated Blitz game, lichess.org, 2020.

7.d4 cb4=+ 8.c5 ba3 9.Ba3 Nb8 10.Bd3= Nc6 11.0-0 Be7 12.Nc3 0-0 13.Na4 Rb8 14.Nb6 Ne4 15.Qb3 f5 16.Rab1 g5 17.Bb4 g4 18.Nd2 Nb4 19.Qb4 a5 20.Qa5+/– Bd7 21.Be2 Bc6 22.Ne4+– de4 23.Ra1 h5 24.Bc4 Rf6 25.Qa2 Kf7 26.Rfd1 h4? 27.d5 ed5 28.Bd5 Bd5 29.Rd5 (29.Rd5 Qe8 30.Rd8 Kg6 31.Re8 Re8 32.Qd5+–; 29.Qd5?! Qd5 30.Rd5 Rd8 31.Rd8 Bd8=; 29.Nd5?! Ra6 30.Qb3 Ra1 31.Nf4 Kg7 32.Ra1 Qc8+/–) 1–0. lucya – chess219, gamecolony.com, 2007.

7.d4 b6 8.bc5 bc5 9.Qa4 Bd6 10.dc5 Bc5 11.Be2 0-0= 12.0-0 Qb6 13.Nbd2?? Ne4?? 14.Rfb1 Nd2 15.Nd2 Qd6 16.Rd1 Qe7 17.Bf3 Rb8 18.Qc2 Bb7= 19.cd5 Bd5 20.Bd5 ed5 21.Nb3 Rfc8 22.Nc5 Rc5 23.Qe2 Rcb5 24.Bd4 Nc5 25.g3 Nb3=+ 26.Ra2 Nd4 27.Rd4= g6 28.e4 Re8=+ 29.f3 f5 30.e5 Qe5-/+ 31.Qe5 Re5 32.a4 Rc5 33.Kg2 Kf7–+ 34.f4 Re4 35.Rd3 Rb4 36.Rad2 Ra4 37.Rd5-/+ Rd5 38.Rd5 Ke7 39.Rd2 Ra5 40.Rb2 Rb5 41.Ra2 0–1. Hasler,Ulrich – Dittwald,Wojciech, CiF, 1992.

6.Bb5 Bd6 =.

6.c4 a5 7.cd5 ed5 8.b5 =.

6.c4 dc4 7.Bc4 Bb7 8.d3 Be7 9.Nbd2 0-0 10.0-0 c5 11.b5 Qc7 12.e4 (12.Qb3 Ne8=) 12...e5 (12...Bd6!?=+) 13.Qb3+= a6 (13...h6 14.Bc3 Ne8 15.a4+–) 14.a4 Ne8 (14...Nh5 15.ba6 Ba6 16.g3+–) 15.ba6+– Ba6 16.Bd5 Ra7 17.Nc4 Pawn e5, live or die! 17...Bf6 18.Ne3 (18.Bc3 g6+–) 18...Bb7 (18...Nd6 19.Rfe1+=) 19.Ng4 h5 20.Ne3 (20.Nf6 Nef6 21.Bc4 Ba6+–) 20...Nd6+= 21.Rfc1 Rfa8 22.d4 ed4 23.Bd4 (23.Nd4 Be5=) 23...Bd4= 24.Nd4 Bd5? (better 24...Ne5=) 25.Nd5+– (worse 25.Qd5 Nf6 26.Qb3 A) 26...Nde4?! 27.Nb5 Qf4 28.Na7 Qf2 29.Kh1 Ra7 30.Rf1= (30.Qb6?? Qe3 31.Qb8 Kh7–+); B) 26...Nfe4-/+) 25...Qb7 26.Nf3?? (better 26.Nc6! Ne4 27.Na7 Ra7 28.Re1+–) 26...Ne4=+ 27.Nf4 (27.Re1 Re8 28.a5 ba5 29.Qb7 Rb7 30.Ra5 Kf8=+) 27...Nef6 (27...Ndf6 28.Ne5-/+) 28.Re1 (28.Ng5 Ne5-/+) 28...Nb8 (28...b5!? 29.Ng5 c4–+) 29.Re5 g6?? (better 29...Qc6 30.Nd5 Nd5 31.Rd5 Nd7-/+) 30.Ng6+– Nc6 (30...Nbd7 31.Re2 Ne4 32.Ne7 Kf8+–) 31.Rg5 (better 31.Rf5 Kg7 32.Nf4+–) 31...Kh7? (better 31...Ne4 32.Rh5 Qd7+–) 32.Nf4+– Kh6 (32...Qe7 33.Re1 Qd8 34.Nh5 Ng8 35.Rg7 Kh8+–) 33.Rf5 Ne4 (33...Qe7 34.Qc3 Nd4 35.Nd4 cd4 36.Qd4 Ra4 37.Rf6 Kh7 38.Rf7 Qf7 39.Ra4 Ra4 40.Qa4 Qf5+–) 34.Rh5 Kg7 35.Qb2 Kf8 (35...Nd4 36.Nd4 cd4 37.Qd4 f6 38.Ne6 Kg6 39.Rd5+–) 36.Rh8 (36.Re1 Rd8 37.Ne6 Ke7 38.Nd8 Nd8 39.Re5 Ne6 40.R5e4 Qd7+–) 36...Ke7 37.Ra8 (37.Nd5 Kd7 38.Rh6 Re8+–) 37...Ra8 38.Nd5 (better 38.Re1 Ra4 39.Nd2+–) 38...Kd8 (38...Ke6 39.Nb6 Rb8+–) 39.Rd1 Kc8 (39...Ra4 40.Qh8 Kd7 41.Nb6 Kc7 42.Nd5 Kd7+–) 40.Qb6 (better 40.Nb6 Kb8 41.Rd7 Qd7 42.Nd7 Kc7 43.Qb6 Kd7 44.Qb7 Kd6 45.Qa8 Kc7+–) 40...Qd7 (40...Nb4 41.Qb7 Kb7 42.Nb4 cb4 43.Rd4+–) 41.Qc5 (better 41.Ne7! Ne7 42.Rd7 Kd7 43.Qb7 Kd6 44.Qa8+–) 41...Nc5 42.Nb6 Kd8 (42...Kc7 43.Na8 (43.Nd7?! Nd7 44.Ng5 Nd8=) 43...Kb7 44.Rd7 Nd7 45.h4+–) 43.Rd7 (43.Nd7?! Nd7 44.Ng5 f6=) 43...Nd7 44.Na8 Kc8 (44...f6 45.h4 Kc8 46.h5+–) 45.Ng5 Nd8 (45...Nce5 46.f4 Ng6 47.Nf7 Nf4 48.h4+–) 46.a5 Kb7 47.Nb6! (47.Nb6 Ne5 48.Nd5+–) 1–0. Urbanaites,Elvira (1855) – Karimova,Karina, Moscow Open C, 2009.

6.c4 dc4 7.Bc4 c5 8.b5 Bb7 9.0-0 Bd6 10.d4 Rc8 11.dc5 Nc5 12.Be5 (12.Nbd2 Qe7=) 12...Be5 (12...Bf3 13.Qd6 Qd6 14.Bd6+=) 13.Ne5 0-0 14.Nd2 Nce4 (14...Nd5 15.Ndf3=) 15.Ne4 Be4 16.Be2 (16.Qd8 Rfd8 17.Rad1 Rd1 18.Rd1 Kf8+=) 16...Rc5 17.Nf3 (17.Qd8!? Rd8 18.Rfd1=) 17...Bf3 18.gf3 (18.Qd8!? Rd8 19.gf3+=) 18...Nd5-/+ 19.f4 Nc3 20.Qd8?? (better is 20.Qe1–+) 20...Ne2 (20...Rd8?! 21.Rfe1-/+) 21.Kg2 Rd8 22.a4 g6 (22...Nc3 23.Kf3–+) 23.Kf3 Rd2 (23...Nc3!? 24.Rfc1–+) 24.Rfd1 Rcc2 25.Rd2 Rd2 26.a5 (26.e4 Nc3 27.Ke3 Rb2–+) 26...Nc3 27.ab6 ab6 28.Ra6 Rd6 0–1. Hal1958 – Matu, playchess.de, 2006.

6.c4 c5 7.Qa4 Be7 8.d4 0-0 9.Nbd2 Bb7 10.Rc1 a6 11.Be2? cb4-/+ 12.cd5 b5 13.Qd1 ba3–+ 14.d6 Bd6 15.Ba1 b4 16.0-0 a5 17.Bb5 Ba6 18.Ba6 Ra6 19.e4 Bf4 20.g3 Bd2 21.Nd2 a4 22.e5 Nd5 23.Nc4 Qb8 24.Qe2 Ra8 25.f4 N7b6 26.f5 ef5 27.e6 Nc4 28.ef7 Rf7 29.Qc4 Ne3 30.Qe6 Nf1 31.Rf1 Qe8 32.Qd5 Kh8 33.g4 f4 34.Qh5 f3 35.g5 f2! 36.Kg2 Qe4 37.Kg3 Raf8 (37...Raf8 38.Qh7 Kh7 39.h3 Rf3 40.Kg2 R3f5 41.Kh2 Rg5 42.Rf2 Rf2#) 0–1. Hummel,Erik Jan – Van den Berg,Hette Jan, NED–ch U14 Leiden, 1998.

6.c4 c5 7.bc5 bc5 8.Be2 Be7 9.0-0 0-0 10.d4 a5 11.Nbd2 Nb6 12.cd5 Nbd5 13.Qc2 cd4 14.Nd4 Bd7 15.Nc6?? Rc8?? 16.Ne7= Qe7 17.Nc4 Bb5 18.Rfc1 a4 19.Be5 Qa7 20.Qa2 Nd7 21.Bb2 Rc6 22.Bf1 Rfc8 23.Nd2?? Bf1=+ 24.Rc6 Rc6 25.Bd4 Qc7 26.Nf1 e5?? 27.Bb2?? N7b6 28.Rb1 Rc2 29.Qa1 Nc4-/+ 30.h3 f6 31.e4? Nf4–+ 32.Bc1 Ne2 33.Kh2 Na5 34.Bb2?? Nb3 35.Qa2 Nc3 (35...Nc3 36.Qb3 ab3 37.Bc3 Qc3–+) 0–1. Groebe,Karl Heinz – Daur,Wolfgang (1750), Stuttgart–chB, 2004.

6.d3 Bb7 7.Nbd2 c5 8.b5 Bd6 9.c4 Qe7 10.Be2 e5 11.cd5 Nd5 12.g3 N7f6 13.Nc4= Nd7 14.e4 Nc7 15.a4 f6 16.Nh4 g6 17.Qd2 Ne6 18.0-0 Nd4 19.Bd4+= cd4 20.Qh6 0-0-0 21.Bg4 Kb8 22.Bd7 Qd7 23.Qd2 Bc5 24.f4+/– Qe7 25.fe5 fe5 26.Nf3 Bd6 27.Qg5 Rhe8+/– 28.Qe7 Re7+= 29.Ng5 Bc7 30.Rf6 Bc8 31.Raf1 Bg4 32.Kf2 Rde8 33.h3 Bc8 34.Kg2 Be6 35.Ne6 Re6 36.Rf8 Kc8 37.R1f7 Rf8 38.Rf8 Kb7 39.Rf7 h5 40.h4 Kb8 41.Kf3 Bd8 42.Kg2 Bc7 43.Kh3 Bd8 44.g4 hg4 45.Kg4 Bc7 46.Nd2 Bd8 47.Nf3+– Re8 48.Rg7 Re6 49.Ng5 Rf6 50.Rf7 Rd6?? 51.Nh7 Bc7 52.Nf6 Re6 53.Kg5 Bd8 54.Kg6 Bf6 55.Rf6 Re8 56.Kg7 Rc8 57.Rf8 (57.Rf8+–) 1–0. Bernhard,Alfred – Horn,Christian, Ruhrgebiet, 1999.

6.Nd4 c5 7.Nc6 Qc7 8.b5 Bb7 9.Bf6 Nf6 10.Nc3 a6 11.a4 Bc6 12.bc6 Bd6 13.h3 0-0 14.Be2 Qc6 15.0-0 Qc7 16.Nb1 Rfd8 17.c4 d4 18.Bf3 Rab8 19.Qb3 Be5 20.Ra2 Rd7 21.Re1 de3 22.de3 Rbd8 23.Rd1 Rd1 24.Bd1 Ne4 25.Bf3 Ng5 26.Be2 Ne4 27.Bf3 Ng5 28.Be2 Ne4 29.Bf3 Nf6 30.Rd2 Rd2 31.Nd2 Qd8 32.Nf1 h6 33.Bb7 a5 34.Bc6 g5 35.Bf3 Kg7 36.Kh1 Ne8 37.Qb1 Nf6 38.Kg1 Qd6 ½–½. Wehmeier,Sven (1740) – Spoeler,Gerd (1680), Muensterland Verbandsklasse–A, 2003.

7.Nc3 c5 8.cd5 Nd5? (better is 8...ed5 9.bc5 Bc5) 9.bc5 Nc5 10.Bb5 Ke7 11.0-0 a6 12.Be2 b5 13.d4 Nc3 14.Bc3 Ne4 15.Bb4 Ke8 16.Qd3 Bb4 17.ab4 f5 18.Ne5 g5 19.f3 Nf6 20.Rfc1 Nd5 21.Rc5 Ke7 22.Qd2 Kf6 23.Rac1 Qe7 24.e4 Nf4 25.Rc7 Ne2 26.Qe2 Qe8 27.ef5 Bd5 28.Ng4 Kf5 29.Qd3 Kf4 30.g3 1–0. Wall,Bill – Lampoo, playchess.com, 2012.

7.d4 dc4 8.Bc4 Be7 (8...c5 9.bc5 bc5 10.0-0=) 9.0-0 0-0 10.Nbd2 c5 (10...a6 11.Qc2+=) 11.dc5 (11.bc5 bc5 12.Qe2 Rb8=) 11...bc5 12.b5 Nb6 13.Rc1 (13.Be2 Rc8+=) 13...Ne4 (13...Nc4 14.Nc4 Rb8 15.a4=) 14.Qe2 (14.Ne4 Be4 15.Be2 Qd5=) 14...Nd2 (14...Nc4 15.Nc4 Qe8 16.Ncd2=) 15.Nd2+= (worse is 15.Qd2 Bf3 16.Qd8 Rfd8 17.gf3 Rab8-/+) 15...Bf6 16.Bc3 Rc8 17.Rfd1 Qe7 (17...Bc3 18.Rc3 Qf6 19.Rd3=) 18.Bf6 Qf6 19.Rc2 (better is 19.e4!?=) 19...Bg2!-/+ (19...Nc4?! 20.Rc4 (worse is 20.Nc4 Qg6 21.f4 Bf3–+) 20...Rfd8 21.e4=) 20.Qg4 (20.Kg2 Qg6 Double attack) 20...Ba8 21.Ne4 (21.Be2 Rfd8-/+) 21...Be4 22.Qe4 Qg6 (22...Rfd8!? 23.Rdc1 Nc4 24.Rc4 Rd5-/+) 23.Qg6+= hg6 (23...fg6?? 24.Be6 Kh8 25.Bc8 Rc8 26.Rc5+–) 24.Kf1 (24.a4 Rfd8 25.Rb1 Rd6-/+) 24...Rb8 (24...Rfd8 25.Rd8 Rd8 26.Be2+=) 25.Rb1 (25.Be2 Rfc8+=) 25...Rfc8 26.Ke2 (26.Be2 Kf8+=) 26...Kf8-/+ 27.f3 (27.Ba2 Ke7-/+) 27...Ke7 28.Ba2 (28.a4 Rh8 (28...Na4?! 29.Ra1 Nb6 30.Ra7 Kf6 31.Kd3+=) 29.Rh1 Rh3-/+) 28...Rh8 29.Ke1 (29.Rh1 Nd7 30.a4 Rh3-/+) 29...Rh5 (29...Rh3 30.Rf2–+) 30.Rbb2 (30.Kf1 Rbh8 31.Kg1 Nd7–+) 30...Rbh8 (30...Na4 31.Rb1–+) 31.Rd2 (31.Re2!?–+) 31...Rh3 32.Rf2 R8h5 (32...Nd7 33.Rbc2 Ne5 34.Kd1–+) 33.Rbe2? (better is 33.Rbc2!?-/+) 33...Nd7 (33...Rf5 34.Bb1 Rff3 35.Rf3 Rf3 36.Ba2–+) 34.Kd2 (34.Bb1 Ne5 35.Be4 g5–+) 34...Ne5 35.f4 Nf3 36.Kd1 (36.Kd3 Nh2 37.Rc2 Ng4–+) 36...Nh2 37.a4 (37.Re1–+) 37...Ng4 0–1. Correia,Vitor Paie – Takeda,Lucas Koji (1900), Championship Brasileiro Juvenil – Ab, 2012.

7.d4 c5 8.b5 Be7 9.Nbd2 0-0 10.Be2 Ne4 11.0-0 dc4 12.Nc4 a6 13.a4 ab5 14.ab5 Qc7 15.Qc2 Nd6 16.Nd6 Bd6 17.h3 Ra1 18.Ra1 Ra8 19.Ra8+= Ba8 20.Ng5 g6 21.dc5 Nc5 22.Qa4?? Bb7 23.Qh4 h5= 24.Bh5 Be7?? 25.Bg6! (25.Bg6 Qh2 26.Kh2 Bd6 27.Kh1 Bg2 28.Kg2 Kf8 29.Qh8 Ke7 30.Bf6 Kd7 31.Qd8#) 1–0. Piochacz,Petra (1725) – Gorka,Christiane (1740), GER–chT Landesliga, 2001.

7.d4 c5 8.dc5 bc5 9.b5 =.

7.d4 Be7 8.Nbd2 0-0 9.Be2 (9.cd5 Nd5 10.Qc2 c5=) 9...Rc8 (9...dc4 10.Nc4 a6 11.0-0=) 10.0-0 (10.c5 a5+=) 10...c5= 11.dc5 bc5 12.b5 a6 (12...Qb6 13.a4=) 13.cd5+= ed5 14.ba6 Bc6 15.Qc2 (15.Rc1 Qb6 16.Qb3 Qa7=) 15...c4 16.e4 (16.Nd4 Qa5+=) 16...de4= 17.Ne5 (17.Nd4 Bd5 18.Nf5 Nb6=) 17...Ne5 (17...c3 18.Nc6 cb2 19.Ne7 Qe7 20.Qb2=) 18.Be5 Bb5 19.Ne4 (worse 19.Bc4 Bc4 20.Nc4 Qd5 21.Bf6 Rc4 22.Qc4 Qc4 23.Be7 Rc8-/+; 19.Nc4?! Qd7 20.Rab1 Ba6=) 19...Ne4 20.Qe4 Ba6 (20...Bd6!?=) 21.Rfd1+= Qe8 22.Bg4 (22.Qg4 f6 23.Bc3 Qf7+=) 22...Rd8 23.Rd8 (23.Qe3 Rd3 24.Rd3 cd3=) 23...Qd8= 24.Rd1 Qa8 25.Qe3 Bd8 (better 25...Rd8+=) 26.Bd6+– Bf6 27.Bf8 Kf8? (better 27...Qf8 28.Rb1 c3+–) 28.Qb6 Qb7 (28...c3 29.Rb1 Bc8 30.Qd6 Be7+–) 29.Rd8! Ke7 (29...Bd8 30.Qd8) 30.Qd6 1–0. Janek – Lodeni, internet free game, 2017.

7.cd5 ed5 8.Nd4 (8.Nc3!?=) 8...c5+= 9.bc5 (9.Nf3 cb4 10.Qb3 a5+=) 9...bc5-/+ 10.Nf5 (10.Nf3 Rb8 11.Ne5 d4 12.ed4 Bd6-/+) 10...Qb6 (10...g6 11.Ng3 Bg7-/+) 11.Qc2? (11.Nc3!?+=) 11...g6 (better is 11...d4!? 12.d3 Qe6–+) 12.Ng3-/+ Bg7 13.Nc3 0-0 14.Rb1 Qe6 (14...Rab8 15.Na4 Qd6 16.Be2+=) 15.Nce2 (15.Nce4 Rab8 16.Ng5 Qc6+=) 15...Bc6 (15...Rab8 16.h4-/+) 16.Nf4+= Qd6 17.h4 (17.Be2 d4+=) 17...Rfe8 (better is 17...Bh6 18.Nd3 d4+=) 18.Rc1?? (better is 18.Be2 Bh6 19.Nd3+=) 18...Qf4–+ 19.h5 (19.Be2 Qd6 20.Bd4 cd4 21.Qc6 Qa3 22.0-0–+) 19...Ng4 20.d3 (20.Ne2 Qf2 21.Kd1 Bb2 22.hg6 fg6 23.Qb2 Rf8–+) 20...Ne3! 21.fe3 (21.fe3 Qg3 Double attack (21...Qg3 Deflection; 21...Qg3 Decoy; 21...Qg3 Overloading)) 21...Qg3 22.Kd1 Qe3 23.Be2 Ba4! 0–1. Palacios Sanchez,Gabriel (2000) – Ribera Nebot,Joan (2110), 20th OBERT INTERNACIONAL DE SANT, 2008.

7.cd5 Bd5 8.Nc3 Bb7 9.Be2 Be7 10.d4 0-0 11.0-0 Nd5 12.Nd5 Bd5 13.Qc2 Rc8 14.Rac1 c5 15.dc5 bc5 16.bc5 (16.e4 Bb7 17.b5 Qc7+=) 16...Rc5 17.Qd2 Rc1 18.Rc1 Bf6 19.Bf6 Nf6 (19...Qf6? 20.e4 Be4 21.Qd7 Bf3 22.Bf3+–) 20.Qc3 Ne4 21.Qc7 Qa8 (21...Qf6 22.Qc2 Qe7 23.a4=) 22.Ne5+= a5 (22...Nf6 23.f3+=) 23.f3 Nf6 24.e4 Bb3 25.Bb5 (25.Rc5!? a4 26.Ra5+/–) 25...a4+= 26.Nd7 Nd7= 27.Qd7 h6 28.Rc7 Qb8 29.Rb7 Qa8 30.Ra7 Attacking the isolated pawn on a4 30...Qb8 31.Ba4?? Ba4?? 32.Qa4 Qb1 33.Kf2 Qb2 34.Kg3 Qe5 35.Kf2 Qh2 36.Ra8 Qh4 37.Ke2 Qe7 38.Rf8 Qf8 39.Qb4 Qa8 40.Qb3 Qa6 41.Qd3 Qb6 42.a4 Qg1 43.g4 Qa1 44.Qb5 Qa2 45.Ke3 Qa3 46.Kf2 Qd6 47.a5 Qh2 48.Ke3 Qg1 49.Kf4 g5+= 50.Ke5 Qa1 51.Kd6+/– Qd4 52.Ke7+– Kg7 53.a6 Qf6 54.Kd6 Qf3 55.Qb2 Kg6 56.a7 Qe4 57.Kd7 (57.Kd7 Qa4 58.Kd6 Qa7 59.Qc2 f5 60.Ke6 Qe3 61.Kd7 Qd4 62.Kc8–+) 1–0. Fournier,Frederic (1780) – navajo (1730), Active, 2006.

7.Be2 c5 8.b5 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Be7 12.0-0 0-0 13.Nc3 Qc7 14.h3 Ra8 15.Qc2 e5 16.Nd5 Nd5 17.cd5 Bd5 18.Bc4 Bf3 19.gf3 Nf6 20.Qb3 Bd6 21.Kh1 Nh5 22.Rg1 Qb7 23.Bd5 Qb8 24.Bf7 Kh8 25.Bh5 Normal 1-0. carlos78 (2235) - kanimal (2135), Rated Blitz game, lichess.org, 2015.

7.Be2 c5 8.b5 Bd6+= 9.d3 (9.cd5 ed5 10.Nc3 0-0+=) 9...a6 (9...dc4 10.Nbd2 cd3 11.Nc4 de2 12.Nd6 Ke7 13.Ke2-/+) 10.Nc3 0-0 11.0-0 Qc7 12.h3 Rfe8 (12...a5 13.Qc2+=) 13.Qb3 (13.ba6!? Ba6 14.Qb3=) 13...a5+= 14.d4 dc4 (14...cd4 15.Nd4 dc4 16.Qc4 Qc4 17.Bc4+=) 15.Qc4+= Bd5 16.Nd5 ed5 (worse is 16...Nd5 17.Rfd1+=) 17.Qc2 c4 18.Rac1 Rac8 19.Nd2 c3 (better is 19...Nf8!?+=) 20.Qb3+= (worse is 20.Bc3 Ba3 21.Qb3 Bc1 22.Rc1 Qd6-/+) 20...Qb7 (20...a4!? 21.Qa2 c2+/–) 21.Rc3 Rc3 22.Qc3 Rc8 23.Qb3 Ne4 (23...Nf8 24.Rc1+/–) 24.Ne4+– de4 25.Bc4 Nf6 26.Rc1 Rc7 27.a4 Rd7 (27...h6 28.Rc2+–) 28.Be2 Rc7 29.Bc4 Rd7 30.Qd1 White plans d5 30...Kf8 (30...Rc7 31.Bb3+–) 31.Qc2 (31.d5 Be7 32.Bf6 Bf6+–) 31...Rc7 32.d5! Nd5? (32...Re7 33.Qd1+–) 33.Qe4 (better is 33.Qd1 Rc4 34.Rc4+–) 33...Nb4?? (better is 33...Nf6 34.Qd3 Rd7+–) 34.Qh7 f6 (34...Ke7 35.Qg7 Qe4 36.Qf6 Kd7+–) 35.Qg8 1–0. Souza,Kim Garcia De (1735) – Santos,Milena Kasenoh Dos, Aberto Do Brasil Copel Telecom Sesc, 2016.

7.Be2 c5 8.cd5!? ed5 9.Qb3=.

6.d3 c5 7.bc5= Bc5 8.Be2 Bd7 9.0-0 0-0 10.Nc3 Qe7 11.a4 a5 12.Ne5 Be8 13.Ra2 d4 14.ed4 Bd4 15.Nf3 Bc3 16.Bc3 Na4 (worse 16...Ba4 17.Bd4 Nfd7 18.Qa1+/-) 17.Bd2 Nd5 18.Qa1 b5 19.Rc1 b4 (19...f6!?=) 20.Ra4+= Ba4 21.Qa4 Rfc8 22.Nd4 Qa7 (22...Qc5!? 23.Nb3 Qc6+=) 23.Nb3+/- Nb6 24.Qa1 a4 25.Nd4 Nd5 26.Bf3 Qc5 27.Bd5 ed5 28.Nf5 f6 29.h4 (29.d4 Qf8+/-) 29...a3+= 30.Nd4 (30.d4 Qf8 31.Qa2 Rc4+=) 30...h6 (30...Re8!?=) 31.Nb3+= Qd6 32.Qa2 Kh8 33.Rb1 (33.Be3 Re8 34.Nd4 Rac8+=) 33...d4= 34.Rc1 f5 (34...Re8 35.Qa1=) 35.Be1 Re8 36.Qa1 Attacks the isolani on d4 36...f4 37.Nd4 a2 38.f3 Qe5 39.Kf1 Ra4 40.Bf2 Rc8 41.Re1 Qf6 42.Bg1 (better 42.Kg1!?+=) 42...Qh4=+ 43.Ne6 Rc3 44.Re4 Kh7 45.Nf8 Kg8 46.Ne6 Ra6 47.Re1 (47.Rf4 Qe7 48.Nd4 b3 49.Nb3 Rc2-+) 47...Qh5 48.Bf2? (better 48.Nd4!?=+) 48...Kh7-+ 49.Kg1? (better 49.Nd4 Qh1 50.Bg1-+) 49...Re6 50.Re6 Rc2 51.Re7 (51.Rb6 Qa5 52.Rb7 Rc1 53.Qc1 a1Q 54.Qa1 Qa1 55.Kh2 b3-+) 51…Qg5 (51...Qg5 52.Rb7 h5 53.Rb4 h4-+) 0-1. PEREIRA – Bambu, internet, 2022.

6.d4 a5 7.c3 Bd7 (7...Bd6 8.Bd3=+) 8.Bd3= Nc4 9.Bc4 dc4 10.Ne5 b5 11.Qf3 Bd6 12.Nd7 Nd7 13.Qc6 ab4 14.Qb5 ba3 15.Ba3 (15.Na3? Rb8 16.Qa4 Rb2 17.Nc4 Rb8-+) 15...Ra7 16.0-0 Qa8 17.Qb2 0-0 18.Bd6 cd6 19.Ra7 Qa7 20.Nd2 Rb8 21.Qa1 Qa1 22.Ra1 d5 23.Kf1 g5 24.e4 Kg7 25.Ra2 Nf6 26.f3 Rb7 27.h3 ½-½. grasul2009 (2440) - heisenberg005 (2245), gameknot.com, 2020.

6.Be2 Bd6 7.0-0 0-0 8.d3 a5 9.b5 Re8 (9...Na4 10.Bd4=) 10.c4= dc4 11.dc4 Nfd7 12.Nbd2 (12.Qc2 e5=) 12...Nc5 13.Bd4 (13.Nb3 Nba4 14.Bd4 b6=) 13...Nbd7 14.Qc2 Qe7 15.h3 (15.Bc3!?=) 15...e5-/+ 16.Bc3 (16.Bb2 e4 17.Nd4 Qg5-/+) 16...e4 17.Nd4 Nb6 18.N2b3 (18.N4b3 Qg5 19.Bg4 Nb3 20.Qb3 Bg4 21.hg4 Qg4–+) 18...Qg5 19.h4? (19.Kh1 Qh6 20.f4 (20.Na5?? Bh3 21.g3 Bf1 22.Kg1 Be2 23.Ne2 Qh3–+) 20...Bh3 A) worse 21.gh3 Qh3 22.Kg1 Nb3 23.Qb3 Qg3 (23...Qe3?! 24.Kg2 Bc5 25.Bb2 Bd4 26.Qe3 Be3 27.Be5–+) 24.Kh1 Bc5–+; B) 21.Nc5 Bc5 22.Rfd1–+) 19...Qh4–+ 20.f4 ef3! 21.Nf3 (21.Nf3 Qe4 Double attack (21...Re3 Discovered attack; 21...Qe4 Decoy); 21.Bf3 Bh2 Mate attack; 21.Rf3 Ne4 Combination; 21.gf3 Qh2 Mate attack) 21...Qh6 22.Bd4 Ne6 23.c5 (23.Bd3 Nd4 24.ed4 Bf4–+) 23...Bg3 24.Qe4 (24.Qd3 Nd4 25.Nbd4 Nd5–+) 24...Bd7 25.Nbd2 (25.cb6?? Ng5 26.Qe8 Re8–+) 25...Rad8 26.cb6 (26.Bd3 Nd4 27.Qh7 Qh7 28.Bh7 Kh7 29.Nd4 Nd5–+) 26...Nd4 27.Qd4 Bc8 28.Qc5 (28.Qc3 Re3 29.Qc1 Re2–+) 28...Re5 29.Qe5 (29.bc7 Rd2 (29...Rc5?? 30.cd8Q) 30.Qe5 Be5 31.Ne5 Qe3 32.Rf2 Re2–+) 29...Be5 30.Nc4 Ba1 31.bc7 0–1. Pierre – Novano, internet, 2020.

6.Be2 Bd6 7.0-0 0-0 8.d3 h5 9.c4+/- c5 10.bc5 Bc5 11.d4 Be7 12.c5 Nc4 (12...Nbd7 13.Nc3+=) 13.Bc4+/- dc4 14.Ne5 (14.Qa4 b6 15.Qc4 bc5 16.dc5 Bb7+/-) 14...b6 15.c6 a5 (15...b5 16.Qf3+=) 16.Nd2 b5 17.a4 Ba6 18.ab5 Bb5 19.Ndc4 Ng4 20.Qb3 Qd5 21.e4 Bc4 22.Qc4 (worse 22.ed5 Bb3 23.Ng4 hg4 24.de6 Rfc8-+; 22.Nc4?! Qc6 23.f3 a4+=) 22...Ne5 23.Qd5 (23.ed5?? Nc4 24.Bc3 ed5-+) 23...ed5 24.de5 de4 25.Rfc1 Rfc8 26.Rc4 Rc7 27.e6 fe6 28.Be5 Rcc8 29.Raa4 Bf6 30.Bf4 g5 31.Bd2 Ra6 32.Ra5 e3 33.fe3 (33.Ra6?? ed2 34.h4 d1Q 35.Kh2 Qe2-+) 33...Rac6 34.Rc6 Rc6 35.Kf2 Kf7 36.e4 Kg6 37.Ke2 g4 38.Ra8 Rb6 39.Rg8 Kf7 40.Rc8 Kg6 ½-½. marekt (1970) - objorn (2415), gameknot.com, 2014.

6.Ne5 Bd7 7.Be2 Na4 8.Bc1 Bd6 9.Nd7 Qd7 10.c4 dc4 11.Bc4 0-0 12.0-0 b5 13.Bb3 a5 14.Ba4 ba4 15.Bb2 e5 16.ba5 Ra5 17.Qc2 Qg4 18.f3 Qh4 19.g3 Qh3 20.Rf2 Rb8 21.Bc3 Ra6 22.Bb4 e4?? 23.Bd6= cd6 24.Nc3 Rab6 25.Qd1 ef3 26.Qf3 Qd7 27.Raf1 Ng4 28.Re2 Ne5 29.Qd5 Qb7 30.Qb7 R8b7 31.Na4 Rb3 32.Nc3 Ra3 ½–½. Bogdan,Dan (2355) – Suto,Gabor (2215), Cseppko op Aggtelek, 2001.

6.b5 Nb6 7.a4 Be7 8.a5 Nc4 (8...Nbd7!?=) 9.Bc4+= dc4 10.Qe2 a6 11.b6 Bd7 12.Na3 Bb5 13.Nc4 0-0 14.d3 Bc4 15.dc4 Qc8 16.0-0 Rd8 17.Ne5 Bd6 18.Nd3 Qc6 19.f3 Rac8 20.e4 Nd7 21.f4 White intends e5 21...f6 22.e5 Be7 23.ef6 gf6 (23...Bf6 24.Bf6 Nf6+–) 24.Rfe1 Nf8 25.Qg4 Kf7 26.Qh5 Kg8 27.Re3 Rd4 28.Rae1 e5 (28...Rc4 29.Rg3 Ng6 30.f5+–) 29.fe5 (29.Rg3 Ng6 30.Bd4 cd4+–) 29...f5 (29...Ng6 30.Rh3 Nf8 31.Bd4 cd4 32.Nf4+–) 30.Bd4 cd4 31.Rg3 Ng6 32.Nf4 Kg7 33.e6 Qe8 34.Qf5 Rc5 35.Qe4 Rc4 (35...Ra5 36.Qb7 Rf5 37.Qd7+–) 36.Qb7 (36.Qe5 Bf6 37.Nh5 Kh6 38.Qf6 Qe7 39.Rg6 hg6 40.Qe7 Rc5 41.Nf6 Rf5 42.Qh7 Kg5 43.h4 Kf4 44.Qc7 Re5 45.Qe5) 36...d3 (36...Rc2 37.Ng6 hg6 38.Rf3+–) 37.Ng6 hg6 38.cd3 Rf4 39.Qc7 Qf8 (39...Rf5 40.b7 Rb5 41.Rf1+–) 40.b7 Kh6 41.Qe7! Qe7 (41...Qe7 42.b8Q Combination) 42.b8Q Qc5 43.Kh1 Qc3 1–0. Cavadini,Ignacio – Di Pasquale,Luciano, Villa Martelli op, 2006.

6.b5 Nb6 7.a4 Be7 8.Be2 0-0 9.d3 Nbd7 (9...Bd7 10.0-0=) 10.Nbd2 Qc7 11.0-0 e5 (11...a6 12.Qb1=) 12.c4 d4 13.e4 (13.h3 a5=) 13...Re8+= 14.Ne1 (14.a5 Nf8=) 14...Nf8 15.g3 (15.Nef3 Bd7+=) 15...Ng6 (15...Bh3 16.Ng2-/+) 16.Ng2 (16.Nef3 h5+=) 16...Bh3-/+ 17.Nb3 Bd6 18.Bc1 Nd7 (18...h6!?-/+) 19.Bg4+= Bg2 (19...Bg4!? 20.Qg4 h6+=) 20.Kg2= Ndf8 (20...Ngf8 21.Bd2=) 21.Bd2 (21.h4 h6+=) 21...Ne6+= 22.Qe1 Rf8 (22...Ngf8 23.Qe2=) 23.h4 Ne7 24.Bg5 (24.Be6 fe6 25.Qe2 Rf6+=) 24...Ng5 25.hg5 f5 (25...f6 26.Nd2 fg5 27.Be6 Kh8 28.Nf3+=) 26.gf6 (26.ef5!? Nf5 27.Qe4+/–) 26...Rf6= 27.Rh1 Raf8 28.Qd2 (28.f3 Ng6+=) 28...Ng6 (28...Rf2 29.Qf2 Rf2 30.Kf2+=) 29.Rh5 (29.f3 Qf7 30.Raf1 h6+=) 29...Qf7 (29...Rf2!? 30.Qf2 Rf2 31.Kf2 Nf8-/+) 30.f3 (30.Rf1 Ne7+=) 30...Rf3= 31.Bf5 Re3 32.Rf1?? (better is 32.Rah1 h6 33.Rh6 gh6 34.Rh6=) 32...Nf4!–+ 33.Rf4 (33.gf4 Qh5 Discovered attack) 33...Qh5 (33...ef4?? 34.Bh7 Kh8 35.Bg6 Kg8 36.Bf7 Rf7 37.gf4 Rf4 38.Rf5 (38.Nc5?! Rg4 39.Kh1 Bc5+–) 38...Rg4 39.Kf1+–) 34.Rf2 (34.Bg4 Rg3! 35.Kg3 ef4 36.Kf3 Qh1 37.Qg2 Qd1 38.Qe2 Qb3 39.Be6 Kh8–+) 34...g6 35.Be6 (35.b6 ab6 36.Bd7 Rf2 37.Qf2 Re2–+) 35...Kg7 36.Rf8 (36.b6 ab6 37.Nc1 Rff3–+) 36...Bf8 37.Nc1 Qf3 38.Kg1 Qg3 39.Kf1 Rf3 40.Ke2 Rf2 41.Kd1 Rd2 42.Kd2 Be7 43.Kc2 Bg5 44.Kb3 b6 0–1. Nguyen,Tien Phuc (1880) – Bui,Minh Thanh (1850), 2016.

6.b5 c4 7.Nc3= Bd6 8.Be2 0-0 9.0-0 Nc5 10.d3 cd3 11.cd3 b6 12.Qc2 h6 13.d4 Nce4 14.Bd3 Bb7 15.Rac1 Rc8 16.Qa4+= Ra8 17.Ne5 Be5 18.de5 Nc3 19.Bc3+/– Nd7 20.Bd4 Qb8 21.Rc3 Rc8 22.Rfc1 Rc3= 23.Rc3 Ne5 24.Be2 Qd6 25.Qc2 Ng6?? 26.Rc7+– Rb8 27.a4?? e5 28.Bb2 Nf8 29.Qc3 f6 30.Bg4 Ne6 31.Be6+= Qe6 32.Rg7 Kg7 33.Qc7 Qf7 34.Qb8+/– d4 35.ed4 Qd7? 36.Qa7+– Qd5 37.f3 e4 38.Qb6 ef3 39.Qc7 Kh8 40.Qb8 Kh7 41.Qc7 Kh8 42.gf3 Qg5?? 43.Qg3+– Qe3 44.Qf2 Qg5 45.Qg3 Qe3 46.Kg2 Qd2 47.Kh3 Bc8+/– 48.Kh4 Qb2 49.Qd6 Qf2 50.Kh5 Qf3 51.Kg6 Qg4 52.Kf7 Qg7 53.Ke8 Qg8 54.Ke7 +–. tightfist (2205) – edqwerty (2635), net–chess.com, 2009.

6.b5 c4 7.Be2 Be7 8.0-0 0-0 9.d3 h6 (9...cd3 10.cd3 b6 11.Nd4=) 10.a4 (10.dc4 Qc7+=) 10...a5 (10...cd3 11.cd3 b6 12.Nd4=) 11.Nbd2 cd3 12.cd3 ½–½. Loskutova,Anastasia (1730) – Geranichev,Mikhail (2035), Anna RUS, Akulov Mem, 2012.

6.b5 Qc7 7.a4 (7.Nc3 Bd6=+) 7...b6 (7...Bd6 8.Nc3=+) 8.d3 (8.a5 ba5 9.Bc3 Bd6=+) 8...a5 (8...Bb7 9.Be2=+) 9.Be2 Bb7 10.0-0 0-0-0 (better 10...Bd6!?=+) 11.Nbd2 h6 (11...Bd6 12.g3+=) 12.c4 g5 (12...Bd6 13.cd5 ed5 14.Rc1+–) 13.h3 (13.cd5 ed5 14.d4 c4+–) 13...Rg8+= 14.Nh2 (14.cd5 ed5 15.d4 g4 16.hg4 Ng4+=) 14...Bg7 (14...h5 15.cd5 Bd6 16.g3 Nd5 17.Bh5 Bg3 18.Nhf3–+) 15.Rc1 (15.d4!?=) 15...g4=+ 16.hg4 (16.Ng4?? Ng4 17.hg4 Bb2–+) 16…Ng4 (16...Ng4 17.Ng4 Bb2=+) 0–1. Gurov,Valerian (1850) – Chermashentsev,Victor (1775), Voronezh Region Senior Championship Open, 2013.

6.b5 Ne4 7.c4= Ndf6 8.d3 Qa5 9.Nbd2 Nc3 10.Qb3+= Na4 11.Bf6 dc4 12.dc4 gf6 13.Bd3 f5 (13...f5 14.Rc1 Bg7=). Roldan – Del Carrill, IECG, 2000.

6.c3 Be7 7.d3 0-0 8.Qc2 Qc7 9.Nbd2 (9.bc5 Nc5 10.Nbd2 Bd7+=) 9...cb4-/+ 10.ab4 Bb4! 11.Ra4 (11.cb4 Qc2 Pinning (11...Qc2 Deflection)) 11...Bd6–+ 12.Rh4 e5 13.g4 Ne8 14.e4 d4! 15.Nc4 (15.cd4 Qc2 Pinning (15...Qc2 Deflection)) 15...Be7 16.g5 (16.cd4 Bh4 17.Nh4 ed4 18.Bd4 Nd6–+) 16...b5 17.Na3 b4 (better is 17...Rb8 18.Bh3–+) 18.cd4? (better is 18.cb4 Bb4 19.Kd1 Qc2 20.Nc2–+) 18...ba3 19.Qc7 Nc7 20.Bc3 Nb5 21.Ba1 ed4 22.Bh3 (22.Nd4 Nd4 23.Bd4 a2–+) 22...Bb4 (22...Nc5 23.Ke2 Bh3 24.Rh3 Nc3 25.Kf1–+) 23.Kf1 Nb6 24.Kg2 (24.Nd4 Nd4 25.Bd4 Rd8–+) 24...Bh3 25.Kh3 Bc3 26.Ne5 Rac8 27.Ng4 (27.f4 Rfe8–+) 27...Nd7 28.Rg1 Kh8 (28...Ba1 29.Ra1 Rc3 30.Kg2–+) 29.e5 (29.f4 a2–+) 29...g6 (better is 29...Nc5 30.Kg3–+) 30.Rg3 (30.Kg2–+) 30...Ba1 31.Kg2 Rg8 (better is 31...h5!? 32.e6 fe6 33.Nf6 Nf6 34.gf6 Rf6 35.Rg5–+) 32.Nh6 (32.Rh6 Kg7 33.Rgh3 Rh8–+) 32...Rg7 33.Ng4 (33.Rf4 Ne5 34.Rf6 Bc3–+) 33...a2 34.Rgh3 Nf8 (34...Bc3 35.Nf6 Nf8 36.Ne4–+) 35.Nf6 Bb2 36.e6 fe6 37.Ng4 a1Q 38.Ne5 Rc1 39.Rf4 Rg1 40.Kf3 Qd1 41.Ke4 Nd6 0–1. Hauser,Christow (1610) – Voss,Werner (1725), Hamburg Robinow op, 2005. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 Nbd7 5.e3 c5)

6.c4 dc4 7.bc5 Nc5 8.Bc4 a6 9.a4 Bd6 10.0-0 Bd7 11.Be2 0-0 12.Ne5 Nd5 13.Nd7 Qd7 14.d4 Ne4 15.Bd3 f5 16.Be4 fe4 17.Nd2 Nf6 18.Qb1 Qc6 19.Ba3 Ba3 20.Ra3 Rac8 21.Rb3 Rc7 22.Rb6 Qd5 23.Qb3 Re8 24.Rb1 Ree7 25.h3 Qb3 26.R6b3 Rc2 27.R1b2 Rb2 28.Rb2 Rc7 29.h4 Kf7 30.a5 h5 (30...h6 31.Kh2=) 31.Kh2+= Kg6 (31...Ke7 32.Kg3 Kd6 33.Kf4+/–) 32.Kg3+/– Kf5 33.f3 ef3 34.gf3 g5 35.e4 Kg6 36.Rb6 Rc6 37.Rb7 gh4 38.Kh4 Rc2 39.Nb3 Rc3 40.Nc5 Rf3 41.Rb6 (41.Re7 Ne4 42.Re6 Nf6 43.Ra6 Kf5+=) 41...Ne4 42.Re6 (42.Ne4?! Rf4 43.Kh3 Re4=) 42...Nf6 43.Ra6 (worse is 43.Na6 Rf4 44.Kg3 Rd4=) 43...Rf4 44.Kh3 Rd4 45.Rc6 Kf5 ½–½. Walker,John T (1745) – Mcmahon,Frank (1965), BCCA/C1/Tr93, 2014.

6.bc5 Bc5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3 Nbd7).

6.d4 Bd6 7.c3 cd4 8.cd4 0-0 9.Nc3 Re8 10.Bd3 Nf8 11.Qc2 Bd7 12.0-0 Rc8 13.Rab1 a6 14.Rbc1 Ng6 15.Qb1 Ne7 16.Rfe1 Ng6 17.Qa2 e5 (17...Qe7 18.Qb3=) 18.de5 (better 18.Bg6 e4 19.Bf7 Kf7 20.Ne5 Kf8 21.Qb3+= (21.Nd5? Rc1 22.Nd7 Qd7 23.Rc1 Nd5-/+)) 18...Be5? (18...Ne5 19.Ne5 Be5 20.Ne2=) 19.Ne5 (better 19.Bg6 Bc3 20.Bh7 Nh7 21.Rc3 Rc3 22.Bc3+-) 19...Ne5= 20.Be2 Nc4 21.Bc4 (21.Red1+=) 21...Rc4 (better 21...dc4!? 22.Ne2 b5=) 22.Nd5!+/- Rc1 (22...Nd5 23.Rc4 Discovered attack (23.Qc4 Remove defender)) 23.Nf6 Qf6 24.Bf6?? (better 24.Rc1 Qg6 25.Bd4+=) 24…Re1 0-1. alessandrocarvalhaes (1930) - dryasin (1900), lichess.org, 2019.

6.Be2 cb4=+ 7.0-0 b3 8.cb3+= Bd6 9.d4 a6 10.Ne5 0-0 11.Nd2 Ne8 12.e4 Ndf6 13.Bd3 de4 14.Ne4 Ne4 15.Be4 Nf6 16.Qf3 Ne4 17.Qe4 Rb8 18.Rfd1 f6 19.b4?? Qe7?? 20.Nd3 b6 21.Re1 Re8 22.Nf4 Bf4 23.Qf4+= Bb7 24.Rac1 Rbc8 25.h4 Bd5=+ 26.Qg3 Qf7 27.Rc8 Rc8 28.Rc1 Rc1 29.Bc1 Qh5 30.Be3 h6 31.f3 Kh7=+ 32.Bf4 Qf5 33.Bc7 b5 34.Kh2 h5 35.Bd6=+ Qg6 36.Qg6= ½–½. Gervasio,R (2330) – Terrieux,K (2210), 1st Breizh Masters, 2003.

7.c4 a6 8.a4 ab5 9.ab5 Bb7 10.d3 Bd6 11.Be2 0-0 12.0-0 Qc7 13.h3 Ne5 14.Nbd2 Rfd8 15.Qc2 Nf3 16.Nf3 e5 17.Nd2 d4 18.ed4 ed4 19.Bf3 Nd7 20.Ne4 Be7 21.Qe2 Ne5 22.Nd2 Nf3 23.Nf3 Kf8 24.Rfb1 Re8 25.Qf1 (25.Ra8 Ba8 26.Re1 Qc8+=) 25...Bf6 (25...Bf3 26.gf3 Ra1 27.Ra1–+) 26.Re1 h6 27.Re8 Re8 28.Ra7 (28.Nd2 Kg8+=) 28...Ra8 (28...Qb8!? 29.Rb7 Qb7–+) 29.Qa1 Qb8 30.Ra8 Qa8 31.Qa8 Ba8 32.Ne1 Bg5 33.Kf1 Bd2 34.g3 g5 35.Ke2 Be1 36.Ke1 Bf3 37.h4 Kg7 38.Bc1 Kg6 39.hg5 hg5 40.Bd2 Kh5 41.Bc1 ½–½. Holz auf der Heide,Gerhard – Koellmer,Hans Peter, GER–ch Seniors–B, 2008.

7.c4 Bd6 8.d3 =.

7.Be2 Bb7 8.0-0 Be7 9.c4 dc4 10.Bc4 0-0 11.d4 Qc7 12.Nbd2 Ne4 13.Ne4+= Be4 14.Nd2 Bd5 15.Qc2 cd4= 16.Bd4 a6 17.a4 Bb4 18.Rac1 Rac8-/+ 19.e4? Bd2–+ 20.Qd2 Bc4 21.Rc3 Qb7 22.Rg3?! e5 (22...e5 23.Qh6 g6–+; better is 22...f6 23.ba6 Qe4 24.Re1–+) 0–1. Scherbeijn,Cor – Goetzee,Rick, corr Netherlands, 1993.

7.Be2 Bd6 8.d4 Bb7 9.Nbd2 Qc7 10.c4 0-0 11.h3 e5 12.de5 Ne5 13.Ne5 Be5 14.Be5 Qe5 15.0-0 Rad8 Black intends d4 16.Qc2 (16.Bf3!?+=) 16...d4-/+ 17.e4? (17.Nf3!? Bf3 18.Bf3 de3 19.Rae1 ef2 20.Kf2 Qd4 21.Kg3-/+) 17...Ne4 (17...d3!? 18.Bd3 Qd4 19.e5 Qd3 20.Qd3 Rd3 21.ef6 Rd2 22.Rfe1–+) 18.Nf3 Qd6 19.Bd3 Rfe8 20.Rae1 f5 21.Re2 g6 22.Rfe1 Nf6 23.Ne5 Ne4 24.Nf3 Qd7 25.Qc1 Nc3 26.Re8 Re8 (26...Qe8? 27.Re8 Re8 28.Qf4+–) 27.Ne5 Qc7 28.f4 Ne4 29.Qc2 Qd8 30.Nf3 Qb8 31.Qc1 Qa8 32.Qc2 a6 33.a4 ab5 34.cb5 Nc3 35.Bc4 Kg7 36.Re8 Qe8 37.Ne5 Nd5 38.Bd5 Bd5 39.Qd2 Qa8 40.Qc2 Be4 41.Qb3 Qd5 (41...Bg2?! 42.Qf7 Kh6 43.Qe7=) 42.Qd5 Bd5 43.Nd7 (43.Kf2–+) 43...c4 44.Kf2 c3 45.Ke2 (45.Ne5–+) 45...Bc4 46.Ke1 d3 47.Ne5 d2 0–1. Skrzypczak,Edyta – Karleszko,Karolina (1625), Poland, 2014.

8.a4 g6 9.d3 Bg7 10.Be2 0-0 11.0-0 Qc7 12.Nbd2 e5 13.cd5 Bd5 14.Nc4 e4 15.de4 Be4 16.Be5 (better is 16.Qd6!? Rac8 17.Rfd1+=) 16...Ne5+= 17.Nfe5 Rfd8 18.Qc1 Nd7 19.Nc6 Bc6 20.bc6 Ba1 21.Qa1 Qc6 22.Bf3 Qe6 23.Ba8 Ra8 24.Nd2 Rd8 25.Nf3 Qf6 26.Qf6 Nf6 27.Ne5 Rd2 28.Nc6 a5 29.Ra1 Ne4 30.f3 Nc3 31.Ne7 Kf8 32.Nc8 Rb2 33.Nd6 Rb4 34.Nc8 Na4 35.e4 Nc3 36.Kf2 a4 37.h4 h5 38.g3 Rb2 39.Ke3 b5 40.Nd6 b4 41.Nc4 Rg2 0–1. Hal1958 – Cliffoliveira, playchess.de, 2005.

8.Qb3 dc4 9.Bc4 Bf3 (better is 9...Bd6+=) 10.gf3+= Bd6 11.f4 Qc7 12.Nc3 0-0 13.Rg1 Rad8 (13...g6 14.a4+/–) 14.Ne4 e5? (better is 14...Be7+/–) 15.Ng5+– Nb8 16.Bf7 Kh8 (16...Rf7 A) 17.Nf7?! c4 (17...Qf7? 18.Qf7 Kf7 19.fe5+–) 18.Rg7 Kg7 19.Nd8 Qd8 (worse is 19...cb3 20.Ne6 Kf7 21.Nc7+–) 20.Qc4 Qe8+–; B) 17.Ne6 c4 18.Qc2+–) 17.Bc4 (17.Bc4 Rde8 18.f5+–) 1–0. David,D2 (1725) – Soare,F (1665), Sarata Monteoru ROM, Men Ch, 2012.

8.Nc3 Bd6 9.d4 0-0 10.cd5 Nd5 11.Bd3 f5 (11...Nc3 12.Bc3 cd4 13.Bd4=+) 12.Qb3 (12.Bc4 Nc7=) 12...Rc8 (better 12...cd4!? 13.Nd4 Nc5=+) 13.Bc4= N7f6 14.Ng5 Re8 (14...Qe7 15.Rd1=) 15.Rd1 (15.Ne6 Re6 16.Nd5 Bd5 17.Bd5 Nd5 18.Qd5 Qd7+=) 15...h6 (15...Qe7 16.0-0=) 16.Nf3 (16.Ne6!? Re6 17.Nd5 (17.Bd5? Nd5 18.dc5 Rc5-+) 17...Bd5 18.Bd5 Nd5 19.Qd5+/-) 16...Kh8 17.0-0 (17.dc5 bc5 18.0-0 Qc7=) 17...Bc7 (17...Nc3!? 18.Bc3 Bf3 19.gf3 cd4 20.Rd4 e5=) 18.dc5+/- bc5 19.Nd5 Bd5 (19...ed5 20.Qa4 d4 21.Qa7=+ (21.ed4? Bf3 22.dc5 Bd1 23.Rd1 Bh2 24.Kh1 Bd6 25.Bf6 Qf6 26.cd6 Qh4 27.Kg1 Qc4 28.Qc4 Rc4-+)) 20.Bf6+/- Bc4 (better 20...Qf6 21.Bd5 ed5 22.Rd5 c4+/-) 21.Rd8?? (21.Bg7 Kg7 22.Qc3 (22.Qc4?! Qe7+-) 22...Qf6 23.Rd7 (23.Qc4?! Qf7+-) 23...Kg6 24.Nh4 (24.Qc4?! Re7 25.Re7 Qe7+-) 24...Qh4 25.Qg7 Kh5 26.Qf7 Kg5 27.f4 Bf4 28.ef4 Qf4 29.Qg7 Kh5 30.Rf4 Rg8 31.Rf3 Rg7 32.Rg7 Bb5 33.Rh3) 21...Bb3=+ 22.Re8 Re8 23.Be5 (23.Rb1 Ba2 24.Rb2 Bd5=+) 23...Bb8 (better 23...Be5!? 24.Ne5 Rb8-/+) 24.Rc1= Rd8? (better 24...c4 25.Rc3 Be5 26.Ne5 Rc8=) 25.Bb8+/- Rb8 26.Rc5 Ba4 27.Nd4 a6 28.Ne6 (28.h4 Bb5 29.Ne6 Bd3+-) 28...Bb5 (28...Rb5 29.h3+/-) 29.h4 Bd7 30.Nd4 Rf8 31.Rc7 Bb5 32.Nb5 ab5 33.Rc5 Ra8 (33...g6 34.Rb5 Ra8 35.h5+-) 34.Rf5 Ra3 35.Rb5 Ra1 36.Kh2 Ra2 37.Kg3 Ra4 38.Rb8 (38.f4 Kg8+-) 38...Kh7 39.Rb7 h5 40.f4 Ra3 41.Kf3 Ra1 42.e4 Ra3 43.Kf2 Ra2 44.Kg3 Ra3 45.Kh2 Ra4 46.Re7 Rc4 47.g3 Rc2 48.Kh3 Rc1 (48...Kg6 49.e5+-) 49.Ra7 (49.f5 Kg8 50.Kg2 Rc3+-) 49...Rc4 50.e5 Rc2 51.f5 (51.e6 Rb2+-) 51...Re2 (51...Rc5 52.Re7 Kg8 53.Re8 Kf7 54.Re6+-) 52.e6 Kh6 (52...Re5 53.Ra8+-) 53.Ra8 (better 53.e7 Kh7 54.f6+-) 53...Kh7 54.Ra7 Kh6 55.Ra6 (better 55.e7 Kh7 56.f6+-) 55...Kh7 56.Ra8 Re5 57.Kg2 g6 (57...Re1+-) 58.f6 Re6 59.f7 (59.f7 Rf6 60.f8Q Rf8 61.Rf8+-) 1-0. Bal,Melih - Erdal,Vehbi, Turkish Cup, 2020.

8.d4 Rc8 9.Nbd2 Be7 10.Rc1 0-0 11.Be2 Re8 (11...cd4 12.Bd4 a5 13.ba6 Ba6 14.0-0=) 12.0-0 Bd6 13.Ne5 Nf8 (13...cd4 14.ed4 a6 15.ba6 Ba6 16.Re1=) 14.Qa4+= Ra8 15.dc5 Bc5 (15...bc5 16.cd5 ed5 17.Ndf3=) 16.Nc6 (16.cd5 a6 17.de6 Re6+=) 16...Qc7 (16...Bc6 17.bc6 d4 18.ed4 Bd4+=) 17.Bf6+/- gf6 18.cd5 ed5 19.Nb3 (19.Na7 Bc8-/+) 19...Ne6 20.Qg4 (worse 20.Na7 Ra7 21.Qa7 Ra8 22.Qa8 Ba8=+; 20.Nc5?! bc5 21.Qg4 Kf8+/-) 20...Kh8 21.Qf5 (21.Nc5 Nc5 22.Qf5 Kg7 23.Qd5 Rac8+-) 21...Ng7+/- 22.Qd5 Rad8 23.Qf3 (23.Qd8 Rd8) 23...Rd6 (23...Bd6 24.Qf6 Bc6 25.Rc6+- (25.bc6?! Bh2 26.Kh1 Re6+=)) 24.Nc5 Bc6 25.bc6 Rc6 (25...bc5 26.Rc5 Ne6+-) 26.Na6 (26.Na6 Rc1 27.Nc7 Rc7 28.Qf6+-) 1-0. Pierre – Orampo, internet, 2020.

8.d4 cd4 9.ed4 Rc8 10.Nbd2 Bd6 (10...Ne4 11.cd5 ed5 12.Bd3=+) 11.Bd3=+ 0-0 12.0-0 Qc7 (12...Ne4 13.Rc1=+) 13.g3= dc4 14.Nc4 Bf3 (14...Ne4 15.Rc1 Bd5 16.Re1+=) 15.Qf3+– Nb8 (15...Nd5 16.Rac1+–) 16.a4 Be7 17.Ne5 Rfd8 (17...Qd8!? 18.Bc4+–) 18.Rac1+– Qd6 19.Qb7 Rc1 20.Rc1 Nd5 21.Qa7 Nb4? (21...Qb4 22.Rb1 Qb3+–) 22.Ba3 Qd4 (22...Nd7 23.Nd7 Qd4 24.Bb4 Bb4+–) 23.Qe7 Qe5 (23...Nd3 24.Nd3 h6+–) 24.Qd8 1–0. Ddgs – Zizwe, internet, 2019.

8.cd5= ed5 9.d4 Be7 10.Bd3 0-0 11.0-0 Ne4 12.Ne5 Ne5=+ 13.de5 f5 14.Nc3 Qe8 15.a4 Rd8 16.Ne2 Bg5 17.Qc1 Bh6 18.f3= Ng5 19.Qb1 g6 20.Qa2 Ne6 21.f4= Rf7 22.Rad1 Bf8 23.Bc2 Rfd7 24.h3 c4 25.Nd4= Bc5 26.Rf3 Ng7 27.Qb1 Ne6 28.g4 Bd4 29.Bd4 Rg7 30.Kh2 fg4= 31.hg4 Qe7 32.g5 Nd4= 33.Rd4 Bc8 34.Rg3 Be6 35.Qd1 Rd7 36.Qd2 Rf7 37.Bd1 Rc7 38.Qc3 Rc5 39.Bf3 Rf8 40.Rg1 Qf7 41.Rd2 Bf5 42.Kg3 Qe6 43.Rgd1 Bd3 44.Bg4 Qe7 45.Rh1 Be4 46.Rh6 Rf7 47.Rdh2 Rc7 48.Ra2 Qe8 49.Bf3 Rfd7 50.a5 Rd8 51.ab6 ab6 52.Bg4 Qb5-/+ 53.Be6 Kf8 54.Rah2 Qc6?? 55.f5 Qc5 56.Rg6+= hg6 57.f6+– Ke8 58.Rh8 Qf8 59.Rf8 Kf8 60.Qb4 Ke8 61.Qb5 Kf8 62.Qb6 (62.Qb6 Bf3 63.Qc7 Rd7 64.Qb8 Rd8 65.Qd8#) 1–0. Evertsson,Lennart – Noren,Lennart, Stockholm Kristallen op, 1996.

8.Be2 Bd6 9.0-0 0-0 10.Qc2 Qc7 11.h3 Rfe8 12.a4 e5=+ 13.cd5 e4 14.Ne1 Nd5 15.f3 Nb4 16.Qd1 Be5 17.Nc3 Bf6 18.fe4 Be4 19.Qb3 Bb7 20.Bf3 Ne5 21.Bb7 Qb7 22.Rf6 gf6-/+ 23.d4 Ng6 24.e4 cd4 25.Ne2 Qe4–+ 26.Bd4? Qe2 27.Qb4 Rad8 28.Bf6 Re4 29.Qc3 Rd1 30.Rd1 Qd1 31.Qc8 Nf8 32.Bc3 Re1 (32...Re1 33.Be1 Qe1 34.Kh2 Qe5 35.g3 Qb2 36.Kg1 Qd4 37.Kg2 Qa4–+) 0–1. Margraf,A – Rost, Schwabenliga, 1992.

8.Be2 Bd6 9.0-0 0-0 10.d4 Rc8 11.Ne5 Bb8 12.Nd7 Qd7 13.dc5 Qc7 14.g3 bc5 15.Bf6= gf6 16.Nc3 Qe5 17.Qc2 d4 18.ed4 cd4 19.Na2 Be4 20.Bd3= Bg6 21.Rad1 Qh5 22.Bg6+= Qg6 23.Qg6 hg6 24.Rc1 Bd6=+ 25.Nb4 e5 26.Rc2 f5 27.f3 Bc5 28.Kg2 f6 29.Rd1 e4 30.fe4 fe4 31.Nc6 d3 32.Rc3 Rc6 33.bc6 Rc8 34.Rb1 Rc6 35.Rcb3 Rb6 36.Rb6 ab6 37.Kf1 Kf7 38.Ke1 Ke6 39.Rb5? Ba3 40.Rb6-/+ Ke5 41.Kd2 Kd4 42.Rf6 e3 43.Kd1 e2 (43...e2 44.Ke1 Bb4 45.Kf2 e1Q 46.Kg2 d2 47.Re6 Qe6 48.Kf2 d1Q 49.Kg2 Qd2 50.Kf3 Qe4#) 0–1. Lopez,Manuel – Ruggiero,Alvaro, URU–chT, 2004.

7.a4 b6 8.Be2 0-0 9.0-0 e5 10.d3 Bb7 11.Na3 Qc7 12.g3 Rad8 13.c4 d4 14.e4 Rfe8 15.Nh4 Nf8 16.Nf5 Bc8 17.Nd6 Qd6 18.Kg2 Qe6 19.f4 ef4 20.Rf4=+ Ng6 21.Rf2 Ne5 22.Bc1 (22...Qh3 23.Kh1-/+; 22.Rf5 g6 23.Rf4 Qh3 24.Kh1 Nfg4 25.Bg4 Bg4–+). CMurillo – fraksweden, ChessWorld.net, 2001.

7.c4 b6 8.d4 dc4 (8...0-0 9.cd5 ed5 10.Nc3=+) 9.Nbd2= cd4 (9...0-0!?=) 10.Nc4+= Bc7 11.Nd4 Bb7 12.Nc6 Bc6 13.bc6 Nc5 14.Be2 0-0 15.0-0 Qe7 16.g3 (16.Qc2 Nd5+=) 16...Rad8 17.Qc2 Nd5 (17...e5 18.Rfd1+=) 18.e4 Nf6 19.e5 Nd5 20.Rac1 (20.Rfd1 Rc8 21.Bf3 Qe8+=) 20...Qg5 (20...Bb8 21.Rfd1+–) 21.Rfd1 h5 (21...Ne7 22.Bf3+–) 22.h4 Qh6 (22...Qg6 23.Bf3+–) 23.Bf3 g5 24.hg5 Qg5 25.Kh1 Kg7 (25...f5 26.Rd4+–) 26.Rd4 Rh8 (26...f6 27.ef6 Nf6 28.Rcd1 Rd4 29.Rd4+– (worse 29.Bd4 h4+–)) 27.Kg2 Kf8 28.Rh1 Qg6 29.Qg6 fg6 30.Nd6! Ke7 (30...Bd6 31.Bd5 Decoy (31.Bd5 Interception; 31.ed6 Passed pawn)) 31.Bd5 ed5 32.Rd5 Rhf8 33.Re1 Ke6 34.Rdd1 a6 35.Bc1 Rd7?? (35...Rb8+–) 36.cd7 Nd7 37.f4 b5 (37...Nc5 38.Be3 Rb8 39.Kf3+–) 38.Re2 h4 (38...Nb8 39.Rc2 Bd8 40.Nc8+–) 39.gh4 Rh8 (39...Bb6 40.Rc2 Nc5 41.Be3+–) 40.Rc2 Bd8 41.Nb7 Bh4 42.Rc6 Kf7 43.Rd7 (43.Rd7 Be7 44.e6 Kf6 45.Bb2 Kf5 46.Bh8 Ke4 47.Re7 g5 48.Rg7 Kf4 49.Rf7 Kg4 50.e7 a5 51.e8Q a4 52.Qe4 Kh5 53.Rh7) 1–0. Marcus – 6602, internet, 2018.

7.c4 b6 8.cd5 ed5 (worse 8...Nd5 9.Bg7 Rg8 10.Bb2+=) 9.d4 (9.Nc3 0-0 10.Be2 Bb7=+) 9...c4 (9...0-0 10.Nc3=+) 10.Nbd2 (10.Nc3 0-0=+) 10...Qe7 (10...a6 11.e4 c3 12.Bc3 Ne4 13.Ne4 de4 14.Ne5-/+) 11.g3 (11.Be2 0-0=+) 11...Ne4 (11...0-0 12.Nh4 Qe6 13.Bg2=+) 12.Qc2 (12.Ne4 Qe4 (worse 12...de4 13.Nd2+=) 13.Bg2 Nf6=+) 12...Ndf6-/+ 13.Bg2 (13.Ne4 Ne4 (worse 13...de4 14.Ne5+=) 14.Bg2 Bf5-/+) 13...Bd7 (13...Nf2 14.0-0 Nd3–+) 14.a4? (better 14.Ne4 Qe4 15.Qe4 Ne4 16.Nd2=+) 14...Bb4–+ 15.0-0 Bd2?? (15...c3 16.Ne4 Qe4–+ (16...Ne4?! 17.Bc1=+; worse 16...de4 17.Bc3 Bc3 18.Qc3–+)) 16.Nd2= Nd2 (16...Bf5 17.Ba3 Qe6 18.Ne4 Be4 19.Be4 Ne4 20.f3+=) 17.Qd2+= Bf5 (17...Ne4 18.Qc1+=) 18.Ba3 (18.a5 Rc8+=) 18...Qd7 (18...Qc7 19.a5+=) 19.Rfe1 (19.Rfc1 Bd3+=) 19...Ne4 (19...0-0-0 20.a5+–) 20.Qb4+– f6 (20...Be6!? 21.f3 Ng5+–) 21.f3+– Ng5 22.e4 de4 23.fe4 (worse 23.Qc4 Be6 24.d5 Bd5+–) 23...Bh3 (23...Qd4?? 24.Kh1 0-0-0 25.ef5+–) 24.Rad1 (better 24.Bh3!? Nh3 25.Kg2+–) 24...Bg2= 25.Kg2 Rc8 26.e5?? (better 26.Qc3 Qh3 27.Kh1=) 26...Qh3 (better 26...Qd5 27.Re4 Qe4 28.Kf1 Rc7–+) 27.Kh1 (27.Kg1!? Kf7 28.ef6+–) 27...Kf7+= 28.Qe7 (28.ef6 gf6 (28...Kf6 29.Qd6 Qe6 30.Re6 Ne6 31.Qe5 Kg6 32.Qe6 Kh5 33.Qh3 Kg5 34.Be7 Kg6 35.Qe6 Kh5 36.g4) 29.Bc1 h6 30.Re7 Kg8+=) 28...Kg6= 29.ef6 gf6 30.Rf1 (worse 30.Qa7 Rhe8 31.Qb7 c3-/+) 30...Rhf8 (30...Qe6 31.Qe6 (31.Qa7 Qe4 32.Rf3 Qf3 33.Kg1 Nh3) 31...Ne6 32.Be7+=) 31.Qe2 (worse 31.Qa7 Rfe8 32.Be7 Ne4-/+) 31...Rfe8 (better 31...Rf7+=) 32.Qc2?? (better 32.Be7 Re7 33.Qe7+–) 32...Kg7-/+ 33.d5 (33.Bc1 Ne4 34.Kg1 c3=+) 33...Re3 34.Bd6 (34.Bc1 Ne4 35.Be3 Ng3 36.Kg1 Nf1 37.Rf1 Qe3 38.Kh1 c3-/+) 34...Rce8–+ 35.Bf4?? (better 35.Qf5 Qf5 36.Rf5 Re1 37.Re1 Re1 38.Kg2–+) 35…Re2 (35...Re2 36.Qg6 hg6 37.Rf2 Rf2 38.Bg5 Qh2) 0–1. Phan,Dan Huyen (2040) – Huynh,Hoa Minh Nhat, Hanoi op, 1995.

7.c4 dc4 8.Bc4 0-0 9.0-0 e5 10.Qc2 Qe7 11.d4 e4 12.dc5 Nc5 13.Bf6 Qf6 (worse is 13...gf6 14.Nd4=) 14.Nd4 Qe5 15.g3 Bh3 16.Rd1 Rac8 17.Qd2 Bb8 18.Nc3 Bg4 19.Be2 Be2 20.Nce2 (20.Nde2? Nb3 21.Qa2 Na1 (21...Rc3?! 22.Nc3 Qc3 23.Rab1-/+) 22.Qa1 Qe6–+; worse is 20.Qe2 Bd6+=) 20...Qf6 21.Rac1 (better is 21.Nc3!?+=) 21...Nd3–+ 22.Rc8 Qf2 (22...Rc8?! 23.f3=) 23.Kh1 Rc8 24.a4 (24.Nf4 Bf4 25.gf4 h6–+) 24...h5 (24...Rc5 25.Ng1 Rh5 26.h3 Bg3 27.Nb3–+) 25.a5?! (25.b6–+) 25...h4 26.a6 ba6 27.Nc6 hg3 28.hg3 Kh8 29.Rg1 ab5 30.Nb8 Rb8 (30...Rc5 31.g4 Qh4 32.Kg2 Qg4 33.Ng3–+) 31.Rg2 Qf1 32.Kh2 Rb6 0–1. Sensek,Marjan – Brinovec,Franc Jr, SLO–chT East, 2005.

7.d3 0-0 8.Be2 (8.Nc3 e5-/+) 8...Qa5 9.Bc3 (9.Nbd2 Qb5 10.Rb1 Qa5-/+) 9...Qb5 10.d4 (10.0-0 Qc6-/+) 10...c4 (10...Qb6!?–+) 11.a4-/+ Qc6 (11...Qb6 12.Nbd2-/+) 12.Nbd2 Qc7 (12...b6 13.0-0-/+) 13.h3 b6 14.0-0 Re8 (14...h6 15.Qb1-/+) 15.Re1 (15.Qb1 Bb7-/+) 15...Bb7 (better 15...h6-/+) 16.Nb1 (16.Qb1!?-/+) 16...Bc6 (16...Ne4 17.Nfd2 Ndf6 18.Ne4 Ne4 19.Bf3–+) 17.Qd2 (17.Nbd2!?–+) 17...Ne4 18.Qd1 (18.Qc1 a6–+) 18...Ndf6 (18...Bb7 19.Nfd2 Ndf6 20.Ne4 Ne4 21.Bf3–+) 19.Bb2 (19.Ne5 a6–+) 19...a6 (better 19...h6–+) 20.Nbd2?? (20.Ne5 h6–+) 20...Bb4 (better 20...c3!? 21.Ne4 de4 22.Ba3 Ba3 23.Ra3 ef3 24.Bf3 Bf3 25.Qf3–+) 21.Ba3 (21.Ne4 Ne4 22.Rf1 f6–+) 21...Ba3 (better 21...Bc3!? 22.Ra2–+) 22.Ra3 b5 23.Ne4 (23.ab5 ab5 24.Ra8 Ra8–+) 23...Ne4 24.ab5 (24.Ne5 b4 25.Ra1 Bb7–+) 24...ab5 25.Ra1 (25.Ra8 Ra8 (25...Ba8?! 26.Qb1–+) 26.Ne5 Bb7–+) 25...f6 26.Nh2 (26.Qb1 Ra1 27.Qa1 Ra8–+) 26...Ra5 (26...b4 27.Bf3–+) 27.f3 (27.Ra5 Qa5 28.Bh5 Ra8–+) 27...Nc3 28.Qd2 b4 29.Bf1 (29.Ra5 Qa5 30.Ng4 Rb8–+) 29...Rea8 (29...h5 30.Ra5 Qa5 31.g4–+) 30.Ra5 Qa5 31.Qc1 (31.e4–+) 31...Qb6 32.e4 (32.Ng4 Ra2 33.Qd2–+) 32...Qd4 33.Kh1 de4 34.fe4 (34.Qb2 Qf2 35.Qc1 ef3 36.Nf3 Bf3–+) 34...Ne4 35.Nf3 (35.Qe3 Qe3 36.Re3–+) 35...Ng3 36.Kh2 Nf1 37.Rf1 Bf3 38.gf3 (38.Rf3 Qe5 39.Qf4 Ra2 40.Qe5 fe5–+) 38...Ra2 39.Kg3 Qe5 40.Kg4 (40.f4 Qc3 41.Rf3 Qc2 42.Qc2 Rc2 43.Rf1–+) 40...h5 41.Kh4 Rc2! (41...Rc2 42.Re1 Qd4 43.Re4 Qf2 44.Kh5 Qf3 45.Rg4 Qh3 46.Rh4 Qf5 47.Qg5 Qg5) 0–1. Kurbanov,Sergey – Kozyakov,Andrey (1620), Chigorin Memorial, 2016.

7.d3 Qa5 8.Qd2 Qb5 9.c4-/+.

7.d4 Qc7 8.Nbd2 b6 9.c4 Bb7 10.Bd3 0-0 11.0-0 Ne4 12.Rc1 f5 13.h3 Rae8 14.Be2 Qb8 15.Ne4 fe4 16.Nd2 cd4 17.ed4 Bf4 18.Rc3 Nf6 19.Rb3 Rc8 20.Rc3 e5 21.cd5 Bd5 22.Rc8 Rc8 23.Nb3 ed4 24.Nd4 Qe5 25.Nc6+= Qe6 26.Bf6+/– gf6?? 27.Qd5!! Qd5 28.Ne7 Kg7 29.Nd5 (29.Nd5 Be5 30.Rd1+–) 1–0. Bulldog1 (1855) – polecat (2095), ChessWorld.net, 2003.

7.Be2 e5 8.0-0 0-0 +=.

7.Be2 e5 8.0-0 e4-/+ 9.Ng5 (9.Nh4!? Nb6 10.f4-/+) 9...0-0 10.g3 Re8 11.c4 (11.d4 h6 12.Nh3 g5–+) 11...Nb6 12.cd5 (12.f3 Be5 13.Nc3–+) 12...Nfd5 13.d3 (13.Nf7 Kf7 14.f3 ef3 15.Nc3 Nc3 16.Bc3–+) 13...ed3 14.Nf7 (14.Bd3 Qg5 15.Qc2–+) 14...de2 15.Qe2 (15.Nd8 ed1Q (15...ef1B?! 16.Nf7 Kf7 17.Qh5 Kf8 18.Kf1-/+; 15...ef1N?! 16.Nc3 Nc3 17.Qd6+=; 15...ef1Q?! 16.Qf1 Rd8 17.e4–+; 15...ef1R?! 16.Qf1 Rd8 17.e4–+) 16.Rd1 Rd8–+) 15...Kf7 16.Qf3 Kg8 17.a4 (17.Rd1 Rf8 18.Qg2 Qg5–+) 17...Nc7 (17...Qg5!? 18.h4 Qg6 19.Nc3–+) 18.Nc3 (18.Nd2 Rf8 19.Qe2 Bh3–+) 18...Ne6 (better is 18...Nc4 19.Qe2 Nb2 20.Qb2–+) 19.Nd5 (19.Ne4 Ng5 20.Ng5 Qg5–+) 19...Ng5 20.Qe2 (20.Qd1 Nc4 21.Bc3 Be5 22.Be5 Nd2–+) 20...Nd5 21.Rad1 Be6 22.f4 Nh3 23.Kg2 Ne3! 24.Qe3 Bd5! 25.Rd5 Re3 26.Kh3 Re2 27.Be5 Qd7 28.g4 (28.f5 Qf7 29.Kg4 h5 30.Kf3 Qd5 31.Ke2 Qe4 32.Kf2 Be5 33.Rd1 Qc2 34.Ke3 Qd1 35.Kf2 Bd4 36.Kg2 Qe2 37.Kh3 Bf6 38.a5 Qf1) 28...Re3 29.Kh4 Be7 (29...Be7 30.Bf6 Bf6 31.Rg5 Qd3 32.Rf3 Rf3 33.Kh5 Rh3#) 0–1. Neumann,Frank (1650) – Beetzen,Michael (2380), remoteschach.de, 2007.

7.Be2 e5 8.d3 Qa5 9.Qd2 Qc7 +=.

7.Be2 e5 8.d3 Qa5 9.Nbd2 -/+.

7.Be2 e5 8.d3 a6 (8...Qa5 9.Nbd2-/+) 9.a4 ab5 10.0-0? (10.ab5!? Ra1 11.Ba1 Qa5 12.Nbd2=+) 10...b4 (10...ba4!? 11.c4 Qb6 12.Ra2–+) 11.Nbd2 (11.c3 bc3 12.Nc3 0-0-/+) 11...0-0 12.c3 Qe7 Black intends e4 (12...bc3 13.Bc3 Qc7-/+) 13.Re1 (better 13.cb4!? cb4 14.Qc2-/+) 13...e4–+ 14.de4 de4 15.Ng5 Qe5 16.f4 ef3 17.Ngf3 Qe3 18.Kh1 Ng4 19.Ne4 Qe4 20.Rf1?? (20.Qd6 Nf2 21.Kg1–+) 20...Bc7 (better 20...Qe6 21.Qd2 Qe3 22.Qe1–+) 21.cb4 (21.Bd3 Qe3 22.Qb1 Nf2 23.Rf2 Qf2 24.cb4 A) 24...cb4?! 25.Bd4 Qd4 26.Nd4= (26.Bh7 Kh8 27.Nd4 g6-/+); B) 24...Rd8–+) 21...Nh2! 22.Nh2 (22.Bd3 Qf4 23.g3 Qb4–+ (23...Qg3 24.Rg1 Ng4 25.Rg3 Bg3 26.Qc2 Nf2 27.Kg2 Nd3 28.Qd3=+)) 22…Qh4 (22...Qh4 23.Rf4 Bf4–+) 0–1. Hilbert,Stephan J (1715) – Faust,Dieter (1745), FICGS, 2015.

8.a4 b6 9.Na3 Bb7 10.Qc2 Rc8 11.Be2 Qc7 12.h4 Rfe8 13.d3 Ng4 14.Ng5 Ndf6 15.Bf6 Nf6-/+ 16.Bf3 h6 17.Nh3 dc4 18.dc4 Bf3-/+ 19.gf3 Qb7 20.Ke2 Rcd8 21.Nb1 Be7 22.Nc3 Nd7 23.f4 Bh4 24.f3 Nf8 25.a5 f5 26.a6 Qf7 27.Nf2 Bf6 28.Rad1 g6 29.Rd3 Qg7-/+ 30.Rhd1 Rd3 31.Rd3 g5 32.fg5=+ hg5 33.Na4 Ng6 34.Rd6 Ne5 35.Nb6 ab6 36.Rb6-/+ g4 37.fg4 Ng4 38.a7 Nf2 39.Re6? Qg4 40.Kf2?? Bh4–+ 41.Kf1 Rd8 42.Re8 (42.Re8 Re8 43.Qg2–+). Hellmark – Skulason, corr SSKK 1–449, 1993.

8.Qc2 Re8 9.Be2 Nf8 10.d4 cd4 11.Nd4 dc4 12.Bc4 Ng6 13.Nf3 Qc7 14.Nbd2 Bd7 15.a4 Rac8 16.Rc1 Bb4 17.Qb3 Qa5 18.Bc3 Bc3=+ 19.Rc3 Ng4 20.Ne4 N4e5 21.Nd6?? Rc4! 22.Nc4 Nc4 23.Ke2? Nb6–+ 24.Rc7 Rc8 25.Rc8 Nc8 26.Rc1 e5 27.Ng5 Nd6 28.Rd1 Bb5?? 29.ab5+/– Qb5 30.Qb5 Nb5 31.Rd8 Nf8+= 32.Ne4 f6 33.Nc5 Kf7 34.Nb7 Ne6 35.Rd3 Ke7 36.Na5 Nc5 37.Nc6 Ke6 38.Rd2 Nc3 39.Ke1 Nb3?? 40.Rd3+– a5 41.Rc3 a4 42.Nb4 Kd6 43.Rc6 Kd7 44.Ra6 Nc5 45.Ra5 Kd6 46.Ke2 Ne4 47.Na2 Nc5 48.Nc3 Kc6 49.Na4 (49.Na4 Ne6 50.Ra6 Kd7 51.Nb6 Kc7 52.Nd5 Kd7 53.e4+–) 1–0. Wagner,Jean Philippe (1720) – Sicard,Stephane, Champs sur Marne op, 2005.

8.Nc3 b6 9.Be2 Bb7 10.cd5 ed5 11.0-0 Ne4 12.d3 Ng5 13.a4 d4 14.ed4 Nf3 15.Bf3 Bf3 16.Qf3 Qh4 17.g3 Qd4 18.Nd1 Ne5 19.Qa8!+/– Ra8 20.Bd4 Nf3 21.Kg2 Nd4 22.Ne3 g6 23.Rfb1 f5 24.Nd5 Kf7 25.a5 Ke6 26.Ne3 ba5 27.Ra5+– Bc7? 28.b6! Bd8 29.Ra7 Rb8 30.b7 Nc6 31.Ra8 Bc7 32.Nc4 Nb4 33.Rb8 Bb8 34.d4 Kd5 35.Na5 Bc7 36.b8Q Bb8 37.dc5 Kc5 38.Rb4! Kb4 39.Nc6 Kb5 40.Nb8 Kb6 41.Nd7 (41.Nd7 Ka5 42.Nf8+–) 1–0. Moraes,Maurino – Corvalao,Eder Daniel, Lages CC–ch, 1990.

8.Nc3 b6 9.Be2 dc4 10.Bc4 Bb7 11.0-0 =.

8.Nc3 b6 9.Be2 Re8 10.0-0 Bb7 11.d4 Qc7 12.Rc1 (12.cd5 Nd5 13.Qd3=) 12...e5 13.de5= Ne5 14.Nd5 Nd5 15.cd5 Nf3= 16.Bf3 Rad8 17.g3 a6 18.a4 Qd7 19.Qb3 f6 20.Rfd1 ab5 21.ab5 Qf7 22.Bg2 Bc8 23.e4 Bd7 24.f4 g6 25.Re1+– Re7 26.e5 fe5 27.fe5 Be5 28.Re5 Re5 29.Be5 Re8 30.Bb2 Re7 31.Qc3 (31…Qg7 32.Qg7 Rg7 33.Bg7 Kg7 34.Rc5 bc5 35.b6+–) 1–0. Ranby,Hans – Zimmer,Georg, corr 3GMM–24, 1995.

8.Nc3 Ne5 9.Ne5 Be5 10.Be2 d4 11.Na4 b6 (11...Qc7 12.f4 Bd6 13.0-0+=) 12.Bf3 Rb8 13.0-0 Bc7 14.ed4 cd4 15.d3 Qd6 16.g3 a6 17.ba6 Ba6 18.Bc1 Nd7 19.Bd2 Rfd8 20.Bb4 Qe5 21.Be7 Re8 22.Re1 Qa5 23.Bb4 Qg5 24.Bc6 Red8 25.h4 Qf6 26.Bd2 ½–½. Klaric,Zl (2425) – Checiak,K (2160), 20th ICSC TCh–EUR Club, 2011. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.b5 Nbd7 6.e3 Bd6 7.c4 0-0)

8.Nc3 Re8 9.a4 d4 10.ed4 cd4 11.Nd4= Nc5 12.Qc2 Bf8 13.Nf3 e5=+ 14.0-0-0 e4 15.Ng5 h6 16.Nf7 Kf7–+ 17.d4 ed3 18.Bd3 Nd3 19.Rd3 Qc7 20.Nd5 Nd5 21.Rd5 Be6 22.Be5 Qc8 23.Rd4 Ba3 24.Kd1 Rd8 25.Rd8 Qd8 26.Ke2 Qh4 27.f4 Qg4 28.Ke3 Bc5 29.Bd4 0–1. Otte,Marco – van der Harst,Albert, Wag.Intcomp Wageningen, 2000.

8.Nc3 Re8 9.d3 =+.

8.Nc3 Re8 9.d4 cd4 10.Nd4 dc4 11.Bc4 Nb6 =.

8.Nc3 Re8 9.Be2 dc4 10.Bc4 b6 11.Qc2 Bb7=+ 12.Be2 Qc7 13.h3 Rad8 (13...e5 14.e4=+) ½–½. Amor Alcalde,Manuel – Bautista Sanchez,Joan (2175), La Pobla de Lillet, 2000.

8.d3 a6 9.ba6 dc4 10.Nbd2 cd3 11.Bd3 ba6 12.Rb1 Rb8 13.Qe2 e5 14.e4 Nh5 15.g3 Qf6 16.Nc4 Bc7 17.0-0 Rd8 18.Ne3 Nb6 19.Rfc1 Rd3 20.Rc5 Re3=+ 21.Qe3 Na8 22.Ne5 Bh3 23.Qd3 Qe6 24.Nc4 g6 25.Ba1 Rb1 26.Qb1 Qe7 27.Rc6+= Bd8 28.Be5 Nc7 29.Qb7 Qd7 30.Ne3 Qd2 31.Qb4 Qd7 32.Qd6 Qd6 33.Bd6 Ne8 34.Be5 Nhf6 35.Ra6 Kf8 36.Ra8 Ke7 37.f3 Bb6 38.Kf2 Be6 39.a4 Nd7 40.Bf4 Nc7 41.Bc7 Bc7 42.a5 Kd6 43.Ke2 Kc6 44.a6 Nf6 45.Kd3 Bb6 46.Ng2 Nd7+= 47.Nf4 Ne5 48.Kc3 Bd7 49.Nd5 Nf3 50.a7 Bd4 51.Kc4 Kb7+= 52.Rd8 Ne5 53.Kd4 Nc6 54.Kc5 Nd8 55.Nb6 Ka7 56.Nd7 1–0. pierre (2130) – lskr (1955), internet, 2007.

8.d4 Qe7 =+.

8.0-0 b6 9.d4 (9.c4 dc4 10.Bc4 Bb7=) 9...Qc7 (9...a6 10.c4+=) 10.Nbd2 (10.dc5 bc5 11.c4 e5+=) 10...c4 11.Nb1 (11.Bc3 a6+=) 11...Ne4 (11...a6 12.Nc3+=) 12.Nc3 (12.a4 a6+=) 12...f5 (12...Ndf6 13.a4+=) 13.g3 (13.a4 Ndf6+=) 13...Ndf6 14.Qe1 (14.a4 a6+=) 14...Bd7 (14...a6 15.ba6 Ba6 16.a4+=) 15.Rb1 (15.a4 Be8+=) 15...h6 (15...a6 16.ba6 Ra6 17.Ne4 fe4 18.Ne5-/+) 16.Nh4 Kh7 (16...Nc3 17.Bc3 a6 18.Ng6-/+) 17.Ne4 (17.Nf3 Be8-/+) 17...Ne4 18.Bc1 g5 (18...a6 19.ba6 Ra6 20.f3-/+) 19.Ng2+= a5 (19...a6 20.f3 Nf6 21.ba6 Ra6 22.Bb2-/+) 20.Bf3 (20.f3 Nf6+=) 20...Be8 (20...a4 21.Be2-/+) 21.Be4 (21.Be2 a4-/+) 21...fe4-/+ 22.Qe2 Rf3 (22...e5 23.Qd1-/+) 23.Ne1 Bh5 (23...Rf5!?-/+) 24.Qd2?? (better is 24.Nf3 Bf3 25.Qe1+=) 24…c3–+ (24...c3 25.Nf3 cd2 26.Nd2 Qc2–+) 0–1. Djurisic,D (1990) – Vlahovic,S (2175), Spring Open, Belgrade SRB, 2009.

8.0-0 e5 9.d3 Qe7 10.Nc3 Re8 11.Nh4 (11.Nd2 Nb6 12.a4 Be6=) 11...Nf8 12.g3 d4 13.Ne4 Ne4 14.de4 g6 15.Ng2 Ne6 16.f4 ef4 17.ef4 Ng7 18.Bf3 Bc7 19.c3 Be6 20.Re1 Ba5 21.cd4 cd4 22.Qa4 (22.Qd4?? Bb6–+) 22...Be1 23.Qd4 f6 24.Re1 Red8 25.Qf6 Qf6 26.Bf6 Rd3 27.Re3 Rd7 28.Re2 Rd3 29.Re3 Rd2 30.Re2 Rd3 ½–½. Macedo,A Soares De (2050) – Pinto,C H Lopez (2135), Final Do Campeonato Potiguar Absoluto D, 2008.

8.0-0 e5 9.Ng5 =+.

8.c4 e5 =+.

9.c4 e5 10.d4 cd4–+ 11.ed4 (11.cd5 d3 12.Bd3–+) 11...e4 12.c5 ef3 13.Bf3 (13.cd6 fe2 14.dc7 ed1R 15.Rd1 Re8–+) 13...Bh2 14.Kh1 Ne4 15.Be4 (15.Nc3 Nc3 16.Bc3 Bf4–+) 15...de4 16.Qg4 (16.g3 Bg3! 17.fg3 Qg3 18.Qc2–+) 16...Nc5 17.Qg5 (17.Qh5 Na4 18.Qh2 Qh2 19.Kh2 Nb2–+) 17...Nd3 (better is 17...Nb3 18.Nc3 Na1 19.Ra1–+) 18.Bc3 (18.g3 Bh3 19.Nc3 Bf1 20.Rf1 Nb2 21.Ne4 Qc4 22.Nf6 Kh8–+) 18...Bf4 19.Qh5 (19.Qh4 Rd8 20.Bd2 Rd4 21.Bf4 Nf4–+) 19...Re8 20.d5 (20.g3 Re6 21.gf4 Rh6 22.Qh6 gh6–+) 20...Qc5 21.g3 (21.Kg1 e3 22.Ra2 Be6–+) 21...Nf2 22.Kg2 (22.Rf2 Qf2 23.gf4 Qf1 24.Kh2 Qf4 25.Kh1–+) 22...Qe3 23.gf4 Bh3 24.Kh2 Qf4 25.Kg1 Qg3# 0–1. Neumann,Frank (1650) – Wuttke,Bodo (2165), RSX16D, 2007.

9.c4 e5 10.cd5!? Nd5 11.Nc3 Nc3 12.dc3 =+.

9.c4 e5 10.h3 e4-/+ 11.Nh4 Be5 12.Qc2 Bb2 13.Qb2 dc4 14.Bc4 Nb6 15.Be2 Qe7 16.g4? Ng4–+ 17.Nf5 Bf5 18.hg4 Bg4 19.Bg4 Qg5 20.f3 ef3 21.Rf3 Qg4 22.Kf2 Nc4 23.Qc2 Qh4 24.Kg2 Ne5 25.Rg3 Ng4 26.Qf5 Qh2 27.Kf3 h5 28.Qf4 Rfe8 29.Rg4 hg4 30.Qg4 Re6 (30...Re6 31.Qf4 Rf6 32.Qf6 Qh5 33.Kg3 gf6–+) 0–1. Lielmezs,Girts – Nemec,Zdenek (2045), TE–2004–P–01711, 2004.

9.d4 cd4 10.ed4 Nb6 =+.

9.h3 b6 10.d3 Bb7 11.c4 dc4 12.dc4 Rfd8 13.Nbd2 Ne4 14.Qc2 Nd2 15.Nd2 Nf6 16.Bf3 Rd7 17.Rfd1 Rad8= 18.Bb7 Qb7 19.Nf3 Be7 20.Ne5+= Rd1 21.Rd1 Rd1 22.Qd1 a6 23.a4 ab5 24.ab5 Qc7 25.Nc6 Ne8 26.Ne7 Qe7+= 27.Be5 f6 28.Bb8 Kh8? 29.Qa1 Qb7 30.Qa7+– Qa7 31.Ba7 Nd6 32.Bb6 Nc4 33.Bc5 Kg8 34.Kf1 Kf7 35.Ke2 Ne5? 36.b6 Nd7 37.b7 e5 38.Ba7 f5 39.b8Q Nb8 40.Bb8 Ke6 41.f3 g6 42.Kd3 Kd5 43.e4 Ke6 44.ef5 Kf5 45.Ke3 h6 46.g4 Kg5 47.f4 ef4 48.Bf4 Kh4 49.Bh6 Kh3 50.g5 Kg4 51.Ke4 Kh5 52.Ke5 Kg4 53.Kf6 Kh5 54.Bf8 Kh4 55.Kg6 Kg4 56.Kh6 Kf5 57.g6 Kg4 58.g7 Kh4 59.g8Q Kh3 60.Kh5 Kh2 1–0. Pagali,Marianna – Stellas,Dimitris, Patras op, 2000.

9.h3 e5 10.Nh4 =+.

7.c4 0-0 8.Nc3 Nb6 =+.

7.c4 0-0 8.d3 a6 9.Nc3 =+.

7.c4 0-0 8.d3 Qc7 9.Nc3 dc4 10.dc4 Rd8 11.Qc2 b6 12.Bd3 Bb7 13.0-0-0 (13.Ne4 Be4 14.Be4 Ne4 15.Qe4 a6+=) 13...a6+= 14.h4 h5 15.Ng5 Ne5 (15...Bg2 16.Rhg1 Qb7 17.e4 ab5 18.Nb5+– (18.Rg2?! b4 19.Nb5 Ng4+/–)) 16.Bh7 Kf8 17.Nce4 Nh7 18.Nh7 Ke8 (18...Kg8 19.Nhg5-/+) 19.f4 (19.ba6!? Ra6 20.Ng3-/+) 19...Ng4 20.Neg5 (better is 20.ba6 Ra6 21.Neg5 Rd1 22.Rd1-/+) 20...Ne3?? (better is 20...Bg5 21.hg5 Rd1 22.Qd1 Ne3–+) 21.Ne6!+– Qf4 (21...fe6 22.Qg6 Mate attack) 22.Ng7 (22.Nf4?! Nc2 23.Nh5 f6 24.Rd8 Rd8 25.Kc2 Be4 26.Kc1 Bh7 27.ba6 Kf7+=; 22.Rd8?! Rd8 23.Nf4 Nc2 24.Kc2 Be4 25.Kc1 Bh7 26.ba6 Ra8 27.Nh5 Ra6=) 1–0. Stapleton,Ian – Shearer,Harvey A, AUS–ch Adelaide, 1947. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.b5 d5 5.e3 Nbd7 6.Bb2)

7.c4 0-0 8.d3 Re8 9.Be2=+ Qc7 (9...dc4 10.dc4 Qc7 11.0-0=+) 10.0-0 b6 (10...Bd6 11.Nbd2=) 11.Nbd2 (11.Qb3 Bb7=+) 11...Bb7 (11...a6 12.ba6 h6 13.Qc2=+) 12.Qb3= Rad8 (12...h6 13.h3=) 13.h3 Bd6 14.a4 d4 15.ed4 =. pierre – oppo, internet, 2009.

7.c4 Nb6 8.d3 0-0 9.Be2 dc4 10.dc4 Qd1 11.Kd1 Ne4 12.Ke1 Na4 13.Ra2 Nb2 14.Rb2 Bf6 15.Rc2 Rd8 16.Nfd2 Nd2 17.Rd2 Rd2 18.Kd2 b6 19.Bf3 Rb8 20.Rd1 Bb7 21.Bb7 Rb7 22.Kc2 Kf8 23.f4 e5 24.g3 ef4 25.gf4 Ke8 26.Nc3 Bc3 27.Kc3 ½–½. Hal1958 – Mosselman, playchess.de, 2004.

7.Be2 0-0 8.0-0 c4 9.d3 Nb6 10.Nc3 cd3 11.cd3 Bd7 12.a4 Rc8 13.a5 Na8 14.Qb3 Qc7 15.d4 Ne4 16.Rfc1 Qb8 (16...Nc3 17.Rc3 Qb8 18.Ne5 Rc3 19.Bc3+/–) 17.Ne4 de4 18.Ne5 Rcd8 (18...Rfd8 19.Rc8 Bc8 20.Ba3+/–) 19.b6 ab6 20.ab6 (20.Nd7?! Rd7 21.ab6 Rd6=) 20...Bf6 (better is 20...Bd6+/–) 21.Ra7 Be5 (21...Qd6 22.Rb7 Bc8 23.Ba3 Bb7 24.Bd6 Rd6 25.Nc4+–) 22.de5 Bc6 23.Rca1 h6 (23...Rd2 24.Ra8 Qa8 25.Ra8 Ra8 26.Kf1+–) 24.Bc3 Bd5 25.Qb1 Qc8 26.Bb4 (26.Ra8 Qc3 27.R8a7 Qe5+=) 26...Qc6 (26...Rfe8 27.Ra8 Qa8 28.Ra8 Ra8+–) 27.Bf8 Rf8 (27...Nb6 28.Be7 Rc8 29.Bd6+–) 28.Ra8 Ra8 29.Ra8 Kh7 30.Rf8 Qd7 31.Qb4 Kg6 (31...Qc6+–) 32.Rg8 Bc6 33.Qf8 f5 34.h4 f4 (34...h5 35.Rh8 Qd1 36.Bd1 f4 37.Bh5) 35.h5 1–0. Tyhla – Hexeq, internet, 2017.

7.Ra2 Be7 8.Be2 0-0 9.0-0 Bd7 10.d3 Rc8 11.Nbd2 (11.Bd4 Bd6=) 11...Na4=+ 12.c4 (12.Qb1 Nb2 13.Qb2 b5=+) 12...Nb2 13.Rb2 Rc7 (13...dc4 14.Nc4 b5 15.Nce5 Ba3 16.Ra2=+) 14.a4 dc4 15.Nc4 Nd5 16.Qb3 Qc8 17.a5 Rd8 18.Nfe5 Be8 19.d4 Nb4 20.Qc3 Nc6 21.Nc6 Bc6 22.Qd2 (22.Rc1 Bd5=) 22...Bd5=+ 23.Ne5 Bf6 (23...Ba3 24.Rbb1=+) 24.Ng4= Be7 25.Bd3 Bc4 26.Ne5 Bd3 27.Nd3 Bf6 28.Qe2 Rd5 29.Ra2 Rd8 30.h3 Be7 31.Rb1 Bd6 32.Rab2 Rdd7 33.g3 Rc3 34.Nf4 Bf4 35.gf4 Rdc7 36.Qf3 Rc1 37.Rc1 Rc1 38.Kg2 Rc7 39.Qe4 g6 40.Qe5 Rc1 41.Qb5 Rc7 42.e4 Qd7 43.Qd7 Rd7 44.Rb4 Kf8 45.f3 Ke7 46.Kf2 Kd6 47.Ke3 Kc6 48.h4 Kd6 (48...b5 49.ab6 ab6 50.Rc4 Kb5 51.Rc8=) 49.Rb5 Kc6 50.Rc5 Kd6 51.Rc8 Rc7 52.Rd8 Ke7 53.Rb8 Kf6 54.Kd3 Ke7 (54...h6 55.Rh8=) 55.d5 (55.Rh8 h5+=) 55...ed5 56.ed5 Rd7 (56...f5 57.Kd4 Kd6 58.h5 gh5 59.Rf8+=) 57.Kd4+= Kd6 (57...h6 58.Ke5+=) 58.Rh8 f6 59.Re8 (59.f5 gf5 60.Ra8 a6+/-) 59...Re7+= 60.Rb8 Rd7 61.f5 gf5 62.h5 Rc7 63.Re8 (63.Rd8 Rd7 64.Rf8 Ke7+/-) 63...Rf7 64.h6 b6 (64...Kd7 65.Ra8 Kc7+-) 65.ab6 ab6 66.Re6 Kc7 67.Kc4 b5 (67...Rf8 68.Rc6 Kd7 69.Rb6+-) 68.Kb5 Rd7 (68...f4 69.Kc5 Kd8 70.Ra6 Rc7 71.Kd4+-) 69.Rc6 (69.Kc5 Kd8+-) 69...Kb7? (69...Kd8 70.Kc5 Ke7+-) 70.Kc5 White prepares the advance d6 70...Rf7 71.d6 (71.d6 f4 72.Kd5+-) 1-0. Schild,Christoph (2210) - Konik,Michael (2020), Karl Mala Memorial op, 2004. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.e3 Nbd7 5.Bb2 c5 6.bc5 Nc5)

7.Bb5 Bd7 8.c4?? dc4 (better 8...Nd3 9.Ke2 Nb2–+) 9.Bc4=+ Be7 (9...Rc8!? 10.Nc3 Na4 11.Na4 Rc4=+) 10.0-0 (10.Nc3 0-0=) 10...0-0 (10...Rc8 11.Bd4=) 11.d4 (11.Nc3 Rc8 12.Ne5 Nfe4+=) 11...Nce4 (11...Na4 12.Bc1=+) 12.Qc2 (12.Ne5!?=) 12...Rc8=+ 13.Qb3 Bc6 (13...Bd6 14.Nbd2=+) 14.Ne5 (14.Rc1 Qa5=+) 14...Qc7 (better 14...Bd5 15.Qd3 Bc4 16.Nc4 Qc7-/+) 15.Be6? (better 15.f3 Nd6 16.Rc1=+) 15...fe6–+ 16.Qe6 Kh8 17.Nf7?? (17.Nc6 bc6 18.Nc3 Nc3 19.Bc3–+) 17...Rf7! 18.Qf7 (18.f3 Rcf8 19.Rc1–+) 18…Bd5 (18...Bd5 19.Nd2 Bf7–+) 0–1. GuestPZFT – GuestLTMS, freechess.org, 2019.

7.Nc3 a6 8.Be2 =.

7.Nc3 Be7 8.Bb5 Bd7 =.

7.Nc3 Be7 8.d4 Nce4 9.Bb5 Bd7=+ 10.Bd7 Qd7 11.0-0 0-0 12.Ne5 Qc7 13.Ne4 Ne4 14.f3 Nd6-/+ 15.Rb1 Rac8 16.Rf2 f6 17.Nd3 Nc4 18.Qc1 Bd6 19.g3 e5 20.Re2 ed4 21.Bd4 Na3 22.Rb3 Nc2 23.Qb2 b6–+ 24.Bc3 Na3 25.Kf2 Nc4 26.Qa2 a5 27.Bd4 Rfe8 28.Rc2 Qd7 29.Rc1 Bc5 30.Bc5 bc5 31.Nf4 g5 32.Ng2 a4 33.Rbc3 f5 34.Rc4 dc4 35.Rc4 Qd5 36.Ra4 Qa2 37.Ra2 c4 38.h4 c3 39.Ne1 Rcd8 40.Ke2 f4 41.gf4 gh4 42.e4 h3 43.Nd3 Ra8 44.Rc2 h2 45.Nf2 Ra1 46.f5 Rb8 47.f6 Rb2 48.Kd3 Rc2 (48...Rc2 49.Kc2 Ra2 50.Kc3 Rf2–+) 0–1. marus1 – jentor, internet, 2001.

7.Nc3 Be7 8.Be2 0-0 9.0-0 Bd7 10.Ne5 Na4 11.Na4 Ba4 12.d4 Rc8 13.Bd3 Ne4 14.f3 Nc3 15.Qe1 Qa5 16.e4 f6 17.Ng4 Rfe8 18.ed5 ed5 19.Qe6 Kh8 20.Nh6 g6 21.Nf5 Qd8 22.Ne7 Qe7 23.Qe7 Re7 24.Rfe1 Re1 25.Re1 Na2 26.Re7 Bc2 27.Bc2 Rc2 28.Rb7 Nc1 29.Bc1+= Rc1 30.Kf2 Rc2 31.Kg3 Rd2 32.Ra7+/– Rd4 33.a4 Rd2 34.Rf7 Ra2= ½–½. Waite,Daniel – Prange,Ecki, CompuServe, 1994.

7.c4 dc4 8.Bc4 a6 9.d4 Nce4 10.0-0 b5 11.Bd3 Bb7 12.Nbd2 Bd6 13.Ne4 Ne4 14.Qb1 Ng5 15.Ng5 Qg5 16.e4 Rc8 17.Bc1 Qe7 18.e5 Bb8 19.Be3 (19.Bh7? Qh4 20.a4 b4–+) 19...Ba7 20.Be4 Rc4 Attacking the backward pawn on d4 21.Rd1 h6 22.Bb7 Qb7 23.Qb2 0-0 24.Rac1 Rfc8 25.Rc4 Rc4 26.Rc1 Qd5 The pressure on the backward pawn d4 grows 27.Rc4 Qc4 28.f3 a5 29.Kf2 b4 30.ab4 ab4 (worse is 30...Qb4 31.Qb4 ab4 32.Ke2+=) 31.Ke1 b3 32.Kd2? (better is 32.Qd2!?-/+) 32...Bb6–+ 33.Ke1 Qd3 34.Qd2 (34.Kf2 Ba5 35.Bc1–+) 34...Ba5!! 35.Qa5 (35.Qa5 Qe3 Double attack (35...Qe3 Deflection; 35...Qb1 Decoy)) 35...Qe3 36.Kd1 Qd3 37.Ke1 b2 (37...b2 38.Qd8 Kh7–+) 0–1. Bienaime,Pierre (1940) – Cotonnec,Melkior (2170), FRA–ch U16 Le Grand Bornand, 2003. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 Nbd7 4.e3 e6 5.a3 c5 6.bc5 Nc5)

7.c4 dc4 8.Bc4 Nd3 9.Bd3 Qd3 ½–½. Kouba,V (1825) – Hubacek,O (2000), 9th Niki Open, 2011.

7.c4 Bd7 8.cd5 ed5 9.Nc3 Bc6 10.d4 Nce4 11.Bd3 Qa5 12.Qc2 Be7 13.0-0 0-0 14.Ne5 b5?? (better is 14...Rac8+=) 15.Nc6+– Qc7 16.Ne7 (16.Nd5!? Nd5 17.Be4 Nb6 18.Ne7 Qe7 19.Bh7 Kh8+–) 16...Qe7 17.Nb5 (17.Nd5!? Nd5 18.Be4 Rac8 19.Bh7 Kh8+–) 17...Rac8 18.Qe2 (18.Qa4!? Rb8+–) 18...a6 19.Be4 (better is 19.f3!? ab5 20.fe4 Ne4+–) 19...Ne4 20.f3 ab5 21.fe4 Qe4 22.Rac1 Rc1 23.Rc1 h6 24.Bc3 f5 25.Bb4 Re8 26.Re1 f4 27.Kf2 fe3 28.Qe3 Qc2? 29.Qd2 Qf5 30.Kg1 Re1 31.Qe1 Kh7 32.Qd2 Qb1 33.Kf2 Qf5 34.Ke1 Qe4 35.Qe2 Qb1 36.Kf2 Qf5 37.Qf3 Qc2 38.Kg3 Qg6 39.Qg4 Qd3 40.Qf3 Qg6 41.Qg4 Qd3 42.Kh4 g5–+ 43.Kh5 Qg6 0–1. Fournier,Frederic (1815) – GranRhinoChess, Active, 2007.

7.c4 Be7 8.d4 Nce4 9.Bd3 dc4 10.Bc4 0-0 11.0-0 a6 12.Nbd2 b5 13.Bd3 Bb7 14.Qe2 Rc8 (14...Qd5 15.Ne4 Ne4 16.Rfc1=) 15.Rfc1 (15.a4 Nd2 16.Nd2 ba4 17.Ra4 Qb6=) 15...Qd5 16.Ne1 (16.Ne4 Ne4 17.a4 Rc1 18.Bc1 ba4=) 16...Qg5 17.Ne4 Ne4 18.a4 ba4 19.Ba6 (19.Ra4? Rc1 20.Bc1 Nc3-+) 19...Rc1 20.Bc1 Nc3 21.Qd3 Ba6 22.Qa6 Attacking the isolated pawn on a4 22...Qh5 23.Nf3 Qg4 (better 23...Qd5!?=) 24.Qc4 Nd5 25.Qa4 (worse 25.Ra4 Nb6 26.h3 Qg6-/+) 25...h5 26.h3 Qe4 27.Ba3 Ba3 28.Qa3 (28.Ra3?! Qb1 29.Kh2 Qb2+=) 28...h4 29.Qb2 f6 30.Qb1 (30.Qb7!? g5+-) 30...Qb1+/- 31.Rb1 g5 32.Rb7 1-0. jhonores (2230) - Erina9 (2190), Rated Blitz game, lichess.org, 2020.

7.d4 Nce4 8.Nbd2 Bd6 9.c4 dc4 10.Nc4 Bc7 11.Bd3 0-0 12.Rc1 Bd7 13.0-0 Bc6 14.Nce5 (14.Nfe5 Bd5+=) 14...Bd5= 15.Qe2 Rc8 16.Rfd1 Qd6 17.Rc2 (17.Nd2 Nd2 18.Rd2 Ne4=) 17...Bb8 (better 17...Bb3!?-/+) 18.Rdc1= Rc2 19.Qc2 h6 20.Qa4 a6 21.h3 Ng5 (better 21...Bc7!?=) 22.Ng5+/- hg5 23.Bc3 (23.Qc2 Qb6+/-) 23...Rc8 24.Qd1 (24.Rc2 b5 25.Qa5 Bc7+=) 24...Qd8 (24...Qa3!? 25.Bb2 Rc1 26.Qc1 Qe7=) 25.Bb4 Rc1 26.Qc1 g6 27.Qc5 Bc7 (27...Be4 28.Ba5 Qe8 29.Be4 Ne4 30.Qb6+=) 28.Qe7 (28.Qc2!?+/-) 28...Qe7 29.Be7 Kg7 30.f3 Be5 31.de5 Nd7 32.Bd6 (worse 32.Bg5 Ne5 33.Be2 b5=) 32...f6 (32...b5 33.Kf2+=) 33.e4 Bb3 34.ef6 Kf6 35.e5 (better 35.Bc7!?+=) 35...Ne5=+ 36.Be4 Nd7 (better 36...Bd5 37.Be5 Ke5 38.Bg6 b5=+) 37.Bb7+/- Bd5? (better 37...Bc4!?+/-) 38.Ba6+- Ne5 39.Be5 Ke5 40.Bd3 Kf4 (40...g4 41.hg4 g5 42.Kf2+-) 41.Bg6 Kg3 42.Bc2 Bc4 43.a4 Bd5 (43...Be2 44.Be4 Ba6 45.Bc6+-) 44.a5 (44.Be4 Bc4 45.Bb7 Kf4+-) 44...Bb7 (44...Bc4+-) 45.Bd3 Ba8 (45...Kf4+-) 46.a6 e5 (46...g4 47.hg4 Kf4 48.Be4 Be4 49.fe4 Ke4 50.a7+-) 47.Be4 Be4 48.fe4 Kf4 49.a7 1-0. cipiripi (2225) - NevSky (2330), Rated Blitz game, lichess.org, 2015.

7.d4 Nce4 8.Bd3 b6 9.Nbd2 Bb7 (9...Bd6 10.0-0=) 10.0-0 Rc8 11.Rc1 Bd6 12.c4 0-0 13.cd5 ed5 14.Rc8 Qc8 15.Qc1 Qg4 16.h3 Qh5 17.Ne5 Rc8 18.Qb1?? (better is 18.Qd1=) 18…Nd2–+ (18...Nd2 19.Qd1 Nf1 20.Qh5 Nh5 21.Kf1 Nf6–+) 0–1. Fournier,Frederic – ignatz (1670), Active, 2008.

7.d4 Nce4 8.Bd3 Bd6 9.Nbd2 b6 10.c4 Nd2 11.Nd2 Bb7 12.0-0 0-0= 13.cd5 ed5 14.Re1 Qd7 15.f3 Rfe8 16.e4 Bf8 17.e5+= Nh5 18.g3 g6 19.Nf1 a5 20.Qe2 Bc6 21.Rac1 Rab8 22.f4 f5 23.Ne3+/– Ng7 24.Rc6 Qc6 25.Bb5 Qb7 26.Be8 Ne8 27.Qb5 Rd8 28.Rc1+/– Nc7 29.Qc6 Qc6 30.Rc6 Na8 31.a4 Be7 32.Kf2 Kf7 33.h3 Ke8 34.g4 fg4 35.hg4 Kd7 36.Rc2 Nc7 37.f5 gf5 38.gf5 Bb4 39.Kf3 h5 40.Rg2 Kc8 41.Rg6 b5 42.ab5 Nb5 43.Rh6 a4? 44.Rb6 (44...Nd4 45.Bd4+–; 44.Rh5?! a3 45.Ba1 Bc3 46.Bc3 Nc3+–) 1–0. Machala – Bores, 1996.

7.Be2 Be7 8.0-0 0-0 9.c4 dc4 10.Bc4 b6 11.d4 Nce4 12.Nc3 Bb7 13.Ne4 Ne4 14.Bd3 Rc8 15.Rc1 Qd7 (15...Qd5 16.Be4 Qe4 17.Qa4+=) 16.Qb3 Bd5 17.Bc4?? (better is 17.Ne5 Qd6 18.Qa4=) 17...Bc4 (better is 17...Rc4!? 18.Rc4 b5 19.Ne5–+) 18.Rc4 Rc4?? (better is 18...Qd5 19.Rfc1 b5–+) 19.Qc4+= Rc8 20.Qd3 f5 (20...Qc6 21.Ne5 Qc2 22.Qa6-/+) 21.Ne5= Qb7 22.Rc1 Rc1 23.Bc1 a5 24.Qb5 Nd6+= 25.Qb3 Qc7 26.Qe6 Kh8 27.Bb2 Qc2 28.g3 Qb1 29.Kg2 Qe4 30.f3 Qc2 31.Kh3 Qc7 32.Nf7 Nf7 33.Qf7 Qd7?? 34.d5 f4 35.g4 (35.g4 Qg4 36.fg4 Ba3 37.Qg7; 35.Kg2 Qh3 36.Kh3 fe3 37.Bg7) 1–0. Fournier,Frederic (2215) – Cadet,Yves, Match, 2002.

7.Be2 Be7 8.0-0 0-0 9.Ne5 Nfe4 10.f4 f6 11.Nf3 Nd6 12.Nc3= Bd7 13.Kh1 b5 14.d3 a5 15.Qe1 Qc7 16.Bd1 b4 17.ab4 ab4 18.Na2 Na4 19.Bd4 Nb5 20.Rb1 Nac3 21.Nc3 bc3 22.e4 e5 23.ed5?? ed4 24.Qe7-/+ Rfe8 25.Qb4 Qf4 26.Qc5 Rac8 27.Qb6 Rb8 28.Qc5 g5 29.g3 Qf5 30.g4 Qf4-/+ 31.h3 h5 32.Ng1?? Qf1–+ (32...Qf1 33.Rb5 Rb5–+) 0–1. Markus,Marcel – Gerusel,Mathias, Europe–ch TT qual, 1963.

7.Ne5 Bd7 8.Nc3 a6 9.Be2 Be7 10.f4 0-0 11.0-0 Ne8 12.Rf3 Nd6 13.Bd3 Nd3 14.cd3 Be8 15.Rh3 f6 16.Nf3 Bg6 17.Nd4 Qd7 18.Qe2 e5 19.Nb3 Nf7 20.Rb1 Rae8 21.fe5 Ne5 22.Nc1 b5 23.Rg3 Bd8 24.Nd1 Qf5 25.Be5 fe5 26.Rf3 Qe6 27.Nf2 Rf3 28.Qf3 Rf8 29.Qg4 Qf6 30.Qg3 e4 31.d4?? Bc7!! (31...Bc7 32.Ne2 Bg3–+) 0–1. Groeger,Ralf – Schracke,Guido (2125), Hessenliga, 1999.

7.Bf6 gf6 8.d4 Ne4 9.c4 Qa5 10.Nbd2 Bd7 11.cd5 Nd2 12.Nd2 Qd5 13.Be2 Qg2 14.Bf3 Qg5 15.Bb7 Rb8 16.Bf3 Be7 17.Ne4 Qa5 18.Kf1 Rg8 19.Ng3 Ba4 20.Qc1 Kd7 21.Kg2 Rgc8 22.Qf1 Rb2 23.Rb1 Bb5 24.Qd1 Ba4 25.Qf1 Bb5 26.Qd1 Ba4 27.Qf1 ½–½. Lapshun,Yury (2475) – Mohota,Nisha (2330), Banyoles op, 2007.

7.Bf6 Qf6 8.d4 Bd7 9.Nbd2 Na4 10.c4 dc4 11.Bc4+= Qg6 12.0-0 Bc6 13.Qb3+/– a6 14.d5?? Nc5= 15.Qa2 ed5 16.Bd5 Bd5 17.Qd5 Qe6 18.Qg5 Be7 19.Qh5 0-0 20.Nd4 Qg6 21.Qg6 hg6 22.a4 Rac8 23.Nc4 Nb3 24.Nb3= Rc4 25.Na5 Rb4 26.Rfb1 Rc8 27.Kf1 b6 28.Rb4 Bb4 29.Nb3 Rc2 30.Nd4 Rb2 31.Nc6 Bc3 32.Ra3 ½–½. Jimenez Martinez,Xavier – Martinez Gutierrez,B (2055), I Fincas Mediterranea, Castelldefels ESP, 2004.

6.c4 a5 7.b5 Bd6 8.d4 0-0 9.Bd3 dc4=+ 10.Bc4 Nb6 11.Bd3 cb5 12.Bb5 Bd7 13.Bd3 Rc8 14.Nc3 Nc4 15.Bc4 Rc4 16.Qd3 Rc8 17.0-0 Bc6 18.e4 Qb6 19.e5?? Bf3 20.gf3?? Be5! 21.Na4? Qd6 22.h3 Rfd8 23.Rad1 Bf4 24.Nc3 Qb6 25.Ba1 Qc6 26.Ne4 Nd5 27.Kh1 b6 28.Rg1 Qc2 29.Qf1 Ne3!! 30.Rg7 Kf8 31.Qg1 Qd1 (31...Qd1 32.Rg8 Ke7 33.Qd1 Nd1–+) 0–1. Friberger,Torbjorn – Jounger,Sven, corr SSKK 2–779, 1994.

6.c4 b6 7.cd5 cd5 8.Nc3 Be7 9.Be2 Bb7 10.d4 0-0 11.0-0 a5 12.Qb3 Qb8 13.Rfc1 Rc8 14.Na4 ab4 15.ab4 Bd6 16.Rc8 Bc8 17.h3 Ne8 18.Nc3 Ra1 19.Ba1 Qa8 20.Bb2 Nc7 21.Nb5 Nb5 22.Bb5 Nf8 23.Ne1 Bd7= 24.Bd7 Nd7 25.Nd3 Qa6 26.b5 Qc8 27.Nc1 Nf6 28.f3 Qd7 29.Ne2 Bb8 30.Nc3 Qd6 31.f4 g5 32.Ba3 Qc7 33.g3 Nh5 34.Qb4+= h6 35.Qf8 Kh7 36.Be7?? Qc3–+ 37.Qf7 Ng7 38.Bf6 Qe3 39.Kh2 Qe2 40.Kg1 Qd1 41.Kh2 Qc2 42.Kg1 Qg6 43.Qe7 gf4 44.g4 Bd6! 45.Qd6 Qf6 46.Qb6 Qh4 47.Qc5 Qe1 48.Kg2 Qe2 (48...Qe2 49.Kg1 f3 50.Qc2 Qc2 51.Kf1 Qe2 52.Kg1 Qg2) 0–1. Fournier,Frederic (1860) – Gaignierre,Gilles (2015), FRA Ch (Team) N5 Senlis–Soissons, 2005.

6.c4 b6 7.Be2 Be7 (7...dc4 8.Bc4 b5 9.Bd3=) 8.d3 (8.Nc3 Bb7+=) 8...Bb7 9.Nbd2 (9.cd5 ed5 10.Nc3 a5=) 9...0-0 10.0-0 Re8 11.Qb3 Bd6 12.Rac1 Bc7 (12...a5 13.Nd4=) 13.Rc2 (13.cd5 ed5 14.Nd4 c5+=) 13...c5 (13...a5 14.cd5 ed5 15.Rfc1=) 14.Rfc1 Bd6 15.Bc3 (15.d4 Rb8+=) 15...e5 16.cd5 Bd5 17.Qb2 cb4 (17...h6 18.e4 Be6 19.h3=) 18.ab4+/– Qe7 19.e4 Bb7 (19...Be6 20.d4 Bg4 21.Bb5+/–) 20.Nc4+/– Bc7 21.Na3 Rac8 22.Bd2 Bb8 23.Rc8 Rc8 24.Rc8 Bc8 25.Qc3 (25.Bc3 Ne8+/–) 25...Bb7 26.Nb5 (26.Nc4!?+=) 26...a6= 27.Na3 b5 28.Be3 Bd6 29.Nc2 h6 30.Nd2 Kh7 31.Nb3 Qf8 32.Na5+= Ba8 33.g3 Qd8 34.Nb3 Qc7 35.Qc7+= Bc7 36.Nc5 Nc5= 37.Bc5 Nd7 38.Be3 Nb6 39.Bd2 Na4 40.Kg2 Nb6 41.f3 g6 42.Bc3 f5 43.Ne3 fe4 44.fe4 Kg7 45.Bd1 Bc6 46.Bb3 Bd6 47.Kf3 Kh7 48.h4 Kg7 49.g4 Nc8 50.h5+/– Ne7 51.Kg3 gh5 52.gh5 Bd7 53.Kh4 Nc6 Attacking the isolated pawn on b4 54.Nc2 Be7 55.Kg3 Be8 56.Bd5 Bd6 57.Ne3 Nd4= 58.Bd4?? ed4–+ 59.Kf2 de3 60.Ke3 Bb4 61.Kd4 a5 62.e5 a4 63.Ke3 Bc3 64.d4 b4 65.Kd3 Bb5 66.Ke4 b3 67.Be6 b2 68.Ba2 Bc4! 69.Bb1 a3 70.Ke3 a2 71.Ba2 Ba2 0–1. Zielke,Bernd (1695) – Bosselmann,Tom Linus, Kiel GER, Open–B, 2014.

6.Bd3 Bd6 7.0-0 0-0 8.Nc3 e5 9.e4 d4 10.Ne2 a5 11.c3 c5 12.Qc2 Re8 13.Bb5 Qb6 14.Bc4 ab4 15.Ng5 bc3=+ 16.Bf7 Kh8 17.Be8 Qb2+/– 18.Nf7?? Kg8 19.Qd3 Ne4 20.Qe4 Nf6 21.Qh4 Bc7 22.Ng5 Qd2 23.Bb5 Kh8 24.Bc4 b5 25.Bb5 h6?! 26.Ne4 Ne4 27.Qe4 Ra7 28.Bd3 Kg8 29.Qd5 Kh8 30.Rfd1 Ra3 31.Bc4 Kh7 32.Qg8 Kg6 33.Qe8 Kg5 34.Ng3 Bg4 35.Qe7 Kg6+– 36.Qf7 Kh7 37.Qg8 Kg6 38.Bf7 Kf6 39.Ne4 Kf5 40.Qh7 Kf4 41.g3 Kf3 42.Nd2 cd2 43.Bd5 Ke2 44.Bc4 Kf3 45.Ra3 d3 46.Qd3# 1–0. NN – COMP, 1998.

6.d4 a5 7.Bd3 ab4-/+ 8.ab4 Ra1 9.Ba1 Bb4 10.Nbd2 0-0 11.0-0 Re8 12.c3 Ba5 13.Nb3 b6 14.Na5 ba5 15.Qa4 c5 16.Bb5 Re7 17.Bb2= c4 18.Ba3+= Re8 19.Rb1 Ne4=+ 20.Qc2 Qc7 21.Nd2 Nd6 22.Bd6= Qd6 23.Nf3 Rd8 24.Qa4= Nf6 25.Qa5 Ne4 26.Ne5 f6 27.Nf3 Qe7 28.h3 Kf7 29.Nh4 Bb7 30.f3 Ra8–+ 31.Qb4 Qb4 32.Rb4 Nc3 33.Bc4 Bc8 34.Bd3 g5 35.g3 gh4 36.gh4 Ra1 37.Kg2 Nd1 38.e4 Ra2 39.Kg3 h5 40.ed5 ed5 41.Rb8 Ba6 42.Ra8-/+ Ne3 43.Ra6 Ra6 44.Ba6 Nf5 45.Kf4 Nd4 46.Bb7 Ke6 47.Bc8 Kd6 48.Ke3 Nf5?? 49.Bf5+– 1–0. Bull_Dog_Baz – TeaCzar, ChessWorld.net, 2009.

6.d4 b5 7.Bd3 a5 8.c3 Bd6 9.0-0 0-0 10.a4 ab4 11.cb4.

6.d4 Bd6 7.c4 =.

6.d4 Be7 7.c4 Ne4 8.Bd3 f5 9.cd5 cd5 10.Nbd2 b6 11.0-0 Bb7 12.Rc1 0-0 13.Qb3 Ndf6 14.Ne5?? (better is 14.Rc2+=) Nd2–+ (14...Nd2 15.Qc3 Nf1–+) 0–1. Fournier,Frederic (1830) – brujonn (1635), Active, 2011.

6.d4 Be7 7.Bd3 0-0 8.0-0 b6 9.Nbd2 Bb7 10.c4 Qc7 11.Rc1 a6 12.cd5 ed5 13.Re1 Bd6 14.e4 Ne4 15.Ne4 de4 16.Be4 Nf6 17.Bd3 Rfe8 18.Qc2 Re7 (18...Bf4 19.Rcd1=) 19.Re7 Qe7 20.Re1 Qf8 21.Bc4 b5 22.Bd3 Rc8 (22...a5 23.ba5 Ra5 24.Ng5=) 23.Ng5 h6 24.Nh7 Nh7 25.Bh7 Kh8 26.Bd3 Qg8 27.f3 g6 28.d5 Kh7 29.dc6 Bc6 30.Rc1 h5 31.Be4 Bb7 32.Qd2 Be4 33.Qd6 Bb7 34.Rc8 Qc8 35.Qe5 Qg8 36.Qe7 Bc8 37.Qg5 Bf5 38.g4 Bg4?? 39.fg4+– hg4 40.Qh4 1–0. Fournier,Frederic – Chicot,Patricia, Train France (FRA), 2006.

6.d4 Be7 7.Bd3 0-0 8.Nbd2 b6 9.e4 de4 10.Ne4 Ne4 (10...Bb7 11.Ne5=) 11.Be4 Bb7 12.h4 (12.Ne5!? Qc7 13.Qf3=) 12...Nf6=+ 13.Bd3 c5 14.g4? White intends h5 (14.dc5!? bc5 15.bc5 Bc5 16.0-0=+) 14...cd4 (14...cb4 15.ab4 Bb4 16.c3-+) 15.g5 (15.Rg1 a5 16.b5 Bc5-/+) 15...Nd5 16.Qd2 (better 16.Be2 Nc3 17.Qd4 Qd4 18.Nd4 Bh1 19.Bc3-+) 16...g6?? (16...Nb4 17.ab4 Bf3 18.Rh3-+) 17.h5?? (better 17.Be4 Rc8 18.Qd4+= (worse 18.Bd4 Bc6=+)) 17...Nc3 18.hg6 fg6 19.Bc3? (better 19.Nd4 Na4 20.Qe2 Bh1 21.Qe6 Rf7 22.Bc4-+) 19...Bf3 20.Rh7 (20.Bc4 Bg5 21.Be6 Kh8 22.Qd4 Qd4 23.Bd4 Bf6 24.Rh4-+) 20...Kh7 (20...dc3 21.Qe3 Kh7 22.Qe6-+) 21.Bb2 (21.Bd4 Bg5 22.Be3 Bf6-+) 21...Qd5 (better 21...Bg5 22.Bg6 Kg6 23.Qd3 Rf5 24.Bd4-+) 22.c4 (22.Bd4 Bg5 23.Be3 Bg4 24.Bg5 Qe5 25.Qe3 Qa1 26.Qc1 Qe5 27.Be3 Rf2 28.Kf2 Rf8 29.Ke1 Rf3-+) 22...Qe5 23.Kf1 (23.Qe3 de3 24.Be5 Rad8-+) 23...Bd6 (better 23...Qh2 24.Ke1 Rf4 25.Qf4 Qf4-+) 24.Re1 (24.Bd4 Qh2 25.Ke1-+) 24...Qh2 25.Bg6 Kg6 (25...Kg8 26.Bh7 Qh7 27.Bd4 Qh1) 26.Qd3-+ Kg7 (better 26...Kg5 27.Bc1 Bf4 28.Qf3 Bc1 29.Qg2 Qg2 30.Kg2 Ba3-+) 27.Bd4 (27.Qd4 e5 28.Qe5 Be5 29.Be5 Qe5 30.Re5-+) 27...e5 28.Be5 Be5 29.Qd7 (29.Qf3 Rf3 30.Ke2 Qf2 31.Kd1 Rd8 32.Kc1 Qb2) 29...Rf7 (29...Kh8 30.Qh7 Qh7 31.Re5 Qh1) 30.Re4 (30.Qf7 Kf7 31.g6 Kg6 32.Re5 Qh1) 30…Qh1 0-1. CronusCR (2310) - BruceLee92 (2485), Daily HyperBullet Arena, lichess.org, 2017. (=1.a3 c6 2.b4 d5 3.Bb2 Nf6 4.e3 Nbd7 5.Nf3 e6)

6.Be2 Bd6 7.0-0 e5 8.d3 Qc7 9.h3 a5 10.ba5 Qa5 11.Nbd2 0-0 12.c4 Re8 13.a4 e4 14.Ne1 Bb8 15.cd5 Qc7 16.g3 Nd5 17.Ng2 ed3=+ 18.Bd3 Ne5 19.Bc2 Rd8 20.Bd4 c5 21.Be5 Qe5 22.Nc4 Qf6 23.Qd3 g6 24.Qb3 Nc3 25.Kh2 b5! 26.Ra3 Ne2 27.f4 bc4 28.Qc4 Ba6 29.Qa2 Nc3 0–1. jasa (2665) – Re_Ron (2495), ChessWorld.net, 2003.

6.Be2 Be7 7.0-0= 0-0 8.c4 dc4 9.Bc4 Qc7 10.d4 Rd8 11.Nbd2 a5 12.b5 cb5 13.Bb5+= h5 14.Rc1 (White gets in control) 14...Qb6 15.a4 Bb4 16.Nc4 Qa7 17.Qe2 b6 18.Nfe5 Ne5 19.Ne5 Bb7 20.Rc7 Rac8 21.Rf7 Bd6? 22.Bc6 Rc7? 23.Rc7+– Bc7 24.Bb7 Qb7 25.Qb5 Qd5 26.Nc6 Qb5 27.ab5 Re8 28.Ba3 Ng4 29.h3+– Nf6 30.Rc1 Kh7 31.Na5! ba5 32.Rc7 Rb8 33.Rc5 Ne4 34.Rh5 Kg6 35.Re5 Nc3 36.Re6 Kf7 37.Re7 Kg8 38.Bd6 (38...Rb5 39.Be5+–) 1–0. Najdorf,Miguel – Moreira/Netto/Regis, Sao Paulo simul (Najdorf blind), 1947.

6.Be2 Be7 7.0-0 0-0 8.d3 b6 9.Nbd2 Qc7 10.c4 e5 11.cd5 cd5 12.Rc1 Qb8 e4 14.Ne1 (14.Ne5 Bd6 15.Nc6 Qb7+=) 14...Ne8 (14...Bd6 15.h3=) 15.f4 (15.f3 Nef6=) 15...a5 16.b5 f5 (16...Nef6 17.Nc2=) 17.g4 (17.a4 Nd6=) 17...fg4 (17...Nd6 18.g5+=) 18.Bg4 (18.Qb3 Nef6 19.Ne4 a4=) 18...Nef6+= 19.Be6 Kh8 20.Kh1 (20.a4 Bb7+=) 20...Rd8 21.Rg1 (21.Qc2 Nf8 22.Bc8 Rc8 23.Qc8 Qc8 24.Rc8 Rc8-/+) 21...Nf8-/+ 22.Bc8 Rc8 23.Nc2 Qd6 24.Nf1 (24.a4 Qe6+=) 24...Rc7 25.Ng3 Qe6 26.f5 Qc8 27.a4 Bd6 28.Rf1 Qe8 29.Qe2 Rac8 30.Na3 h6 31.Rc7+= Rc7 32.Rc1 Qc8 33.Rc7+= Qc7 34.Kg2 N8h7 35.Qc2 Qc2 36.Nc2+= Ng5 37.Ba3 Ba3 38.Na3 Nf3 39.h3 Nd2 40.Kf2 Kg8 41.Ne2= Nh5 42.Nc3 Nf6 43.Nc2 Kf7 44.Ne1= Ke7 45.Kg3 Nc4 46.Ng2 Nd6 47.Nh4 Nc4 48.Ng6 Kd6 49.Kf2 Nh7 50.Nf4 Nf6 51.Nd1 Nd2 52.Kg3 Nf3 53.Nc3 Ng5 54.h4 Nf7 55.Nce2 h5 56.Ne6+= Ng4 57.Kf4 g6+/– 58.Ng7 gf5 59.Nf5 Kd7 60.Nc3 Nf6 61.Ne2 Ke6 62.Neg3 Nd6 63.Nd6 Kd6 64.Kg5 Ng4 65.Nf1 Nf2 66.Kh5 Ke6 67.Kg6 Ke7 68.h5 Kf8 69.Kf5 Kg7? 70.Ke6 Kh6 71.Kd5 Kh5 72.Ng3 Kg4 73.Ne4 Nd1 74.Kc6 Ne3 75.d5 Kf5 76.Nc3 Nc4 77.d6 Ne5 78.Kb6 Nd7 79.Kc7 Ke6 80.b6 Nb8 81.Nb5 Na6 82.Kc8 Nb8 83.Kb8 Kd7 1–0. Sestovic,B (2110) – Kilibarda,Novak, Spring Open, Belgrade YUG, 2003. (=1.Nf3 Nf6 2.b4 c6 3.Bb2 e6 4.a3 d5 5.e3 Nbd7)

6.Bf6 Nf6 7.d4 Bd6 8.Nbd2 0-0 (8...b5 9.Nb3=) 9.c4 dc4 (9...a5 10.c5 Be7 11.Bd3=) 10.Bc4 (10.Nc4 Bc7+=) 10...Bc7 (10...a5 11.b5=+) 11.Be2 Re8 12.Rc1 a6 13.0-0 Bd7 14.h3 (14.Nc4 Qe7+=) 14...Qb8 (14...a5 15.ba5 Ra5 16.Nc4=) 15.Nc4+= Ne4 (15...a5 16.ba5 Ba5 17.Qb3=) 16.Bd3 Nd6 17.Qc2 (17.Nfe5 Re7+/-) 17...h6 (17...Nc4 18.Bc4 a5 19.Ng5+=) 18.Nce5+/- Qd8 19.Nc4 (19.a4 Rc8+/-) 19...Nc4 (19...Qb8 20.Nfe5 Rd8 21.Nd7 Rd7 22.Ne5+=) 20.Bc4 (20.Qc4 a5=) 20...e5 (20...a5 21.Ne5=) 21.de5+= Be5 22.Rfd1 Bc7 23.Qb3 Qe7 (23...Re7 24.Rd2+=) 24.Rd2 (better 24.Bf7!? Qf7 25.Qf7 Kf7 26.Rd7 Re7 27.Rcd1+/-) 24...Bf5 25.Rcd1 Rad8 26.Nd4 White plans b5 26...Bc8 27.a4 White prepares b5 27...Qe5?? (27...Qf6 28.a5=) 28.b5?? (better 28.Bf7 Kf8 29.Bg6 (worse 29.Be8 Qh2 30.Kf1 Re8+-) 29...Qh2 30.Kf1+-) 28...Qh2 29.Kf1 Qh1? (better 29...Rf8!? 30.b6 Bb8 31.Nc6 Qh1 32.Ke2 Rd2 33.Rd2 bc6 34.Bf7 Kh7 35.Qc2 Kh8=) 30.Ke2+- Qg2 31.Rg1?? (31.Bf7 Kf8 32.Be8 Re8 33.Qb4 Re7 34.ba6 b6+/-) 31...Qh3 (better 31...Qg1 32.Bf7 Kf8-+) 32.Bf7+- Kh8 (32...Kf8 33.Be8 Re8 34.ba6 Qh5 35.Ke1 ba6 36.Nc6+/-) 33.Be8 Re8 34.Qf7 Bg4 (better 34...Qd7 35.Rg7 Qf7 36.Rf7 Ba5+-) 35.f3?? (better 35.Kd3 Rc8 36.f3+-) 35...Qh2= 36.Kf1 Bh3 37.Rdg2 Bg2 (37...Rg8 38.ba6 ba6 39.Nc6=+) 38.Rg2= Qh1 39.Kf2 Rg8?? (better 39...Qh4 40.Ke2 Re7 41.Qf8 Kh7 42.bc6 bc6=) 40.Ne6?? (better 40.Qc7 cb5 41.ab5 ab5 42.Qb7 Qh4 43.Ke2+-) 40...Be5 41.Nf4 (41.Nf8 Qh4 42.Kf1 Qa4-/+) 41...Bf6 (better 41...Qh4!? 42.Rg3 Bf4 43.ef4 Qf6 44.Qf6 gf6 45.ba6 ba6-+) 42.Ng6 Kh7 43.Nf8?? (better 43.Rg4-+) 43...Rf8! 44.Qf8 Qh4 (better 44...Bh4 45.Rg3 Qh2 46.Kf1 Qg3 (46...Bg3?! 47.Qf5 Kg8 48.Qc8 Kf7 49.Qb7 Kf8 50.Qc8 Ke7 51.Qb7 Kd8 52.Qa8 Bb8 53.bc6-+) 47.Qf5 Qg6 48.Qg6 Kg6 49.ba6 ba6-+) 45.Ke2 Qh5?? (better 45...Qc4 46.Kf2 Qc2 47.Kg3 Qa4-+) 46.Qe8?? (46.ba6 Qh3 47.Rf2 ba6+/-) 46...Qd5 (better 46...Qe8 47.ba6 Bd4 48.Kd1 Qe3 49.ab7 Qf3 50.Re2 Qb3 51.Rc2 Qb7 52.Rd2 Qb1 53.Ke2 Qe4 54.Kd1-+) 47.Qh5?? (better 47.Qg6 Kh8 48.bc6 Qc4 49.Kf2 Qa2 50.Kg3 Qa4 51.Rc2 bc6 52.Qe8 Kh7 53.Qc6 Qh4 54.Kg2 Qg5 55.Kf2+=) 47...Qh5-+ 48.Rg7 Kg7 49.e4 Qh2 (49...ab5 50.ab5 Qb5 51.Ke3 Qb6 52.Kd3 Qf2 53.f4 Qd4 54.Ke2 Qe4 55.Kf2 Bh4 56.Kg1 Qe1 57.Kg2 Qf2 58.Kh1 Bg3 59.f5 Qf1) 50.Ke3 Qe5 (50...Qe5 51.f4 Qd4 52.Ke2 Qe4 53.Kd2 Qf4 54.Kd3 Qf1 55.Kd2 Bg5 56.Kc3 Qc1 57.Kd4 Qe3 58.Kc4 Bf6 59.bc6 Qc3 60.Kd5 Qc6) 0-1. Vedma_Varvara666 (2170) - BangBangBangDrama (2205), Rated Bullet game, lichess.org, 2021. (=1.a3 c6 2.b4 d5 3.Bb2 Nf6 4.e3 Nbd7 5.Nf3 e6)

7.Nc3 b5=+ 8.Be2 (8.d3 cd3 9.Bd3 a5=+) 8...Bb7 9.0-0 (9.d3 cd3 10.Bd3 a6-/+) 9...Be7 (9...a5 10.Na2-/+) 10.d3=+ cd3 11.Qd3 Qb6 (11...a6 12.Ne4=+) 12.Ne4= Ne4 13.Qe4 Nf6 14.Qf4 0-0 15.Rfd1 Nd5 (15...a5 16.Bd4 Qa6 17.a4 Bb4 18.Bf6 gf6 19.Qf6+–) 16.Qg3+= Bf6 17.Ne5 Be5 (better 17...Qc7!?+=) 18.Qe5+– (worse 18.Be5 f6 19.Bd6 Nc3=) 18...Nf6 19.Rd4 Rfd8?? (better 19...h5+–) 20.Rg4 Kf8 21.Rg7!! Kg7 (21...Kg7 22.Qg3 Deflection) 22.Qf6 Kf8 23.Bh5 (23.Qh8 Ke7 24.Bf6 Kd7 25.Rd1 Qd4 26.Rd4 Kc7 27.Bd8 Kb8 28.Qe5 Kc8 29.Qc7) 23...Rd7 (23...Qc7 24.Be5 Rd1 25.Rd1 Rc8 26.Qh8 Ke7 27.Bf6) 24.Qh8 (24.Qg7 Ke7 25.Bf6 Kd6 26.Qg3 Kd5 27.e4 Ke4 28.Qf3) 24...Ke7+– 25.Bf6 Kd6 26.Rd1 Kc7 (26...Qd4 27.Be5 Ke7 28.Qf6 Ke8 29.Rd4 Rd6 30.Rd6 c5 31.Qf7) 27.Be5 (27.Be5 Rd6 28.Bd6 Kd7 29.Be5 Qd4 30.Rd4 Ke7 31.Bf6) 1–0. Hilbert,Stephan J – Vollmer,Steve, FICGS, 2017.

7.Bc4 a5 8.b5 =.

7.Bc4 b5 8.Be2 a5 9.ba5 Qa5 10.0-0 Bd6 11.d4 Bb7 12.Nbd2 0-0 13.a4 ba4 14.Nc4 Qd5 15.Nfd2 Be7 16.Ra4 Qb5 17.Ra8 Ra8 18.Nb3 Ra2 19.Qc2 Ba6 20.Ra1 Ra1 21.Ba1 Bb4 22.Bd3 Qh5 23.Nc1 c5 24.Na2 Be1 25.h3 cd4 26.Bd4 Nc5 27.Nb2 Bf2 28.Kf2 Nd3 29.Nd3 Qf5 30.Ke2 Ne4 31.Nac1+/– e5 32.Bc5 h6 33.Bb4 Qf2 34.Kd1 Qe3 35.Be1 Kh8 36.Ne5+/– Qd4 37.Ned3 Qd5 38.Qe2 =. marekt – Klaus Behrmann, ChessWorld.net, 2002.

7.Bc4 b5 8.Be2 a5 9.Qb3 ab4 10.ab4 Ra1 11.Ba1 Qe7 12.Bc3 Nd5 13.0-0 Qd6 (13...Nb4 14.Rc1 Bb7 15.d4=) ½–½. lasker (2240) – 100le (2305), internet, 2007.

7.Bc4 b5 8.Be2 Bb7 9.0-0 a6 10.d3 Qc7 (10...c5 11.a4=) 11.Nbd2 Be7 12.Rc1 Rd8 (12...a5 13.Qb3=) 13.Nb3 h6 14.Na5 Ba8 15.Nd4 The pressure on the backward pawn c6 grows 15...Bc5? (better is 15...c5=) 16.Nac6 Bc6 17.bc5 (worse is 17.Rc5 Nc5 18.Nc6 Qc6+=) 17...Ne5 (17...0-0 18.Nc6 Qc6 19.Bf3+–) 18.Nc6 (18.f4 Ned7+–) 18...Nc6 19.Bf6 gf6 20.d4 f5 21.Bf3 Ne5 22.h3 (22.de5?! Rd1 23.Rfd1 Ke7=) 22...Nf3 23.Qf3 Rg8 24.Rcd1 Rg6 25.g3 Ke7 26.Kh2 Rh8 27.Rc1 h5 28.h4 a5 29.d5 ed5 30.Qd5 Qd7?? 31.Qe5 Re6 32.Qh8 Qd2 33.Qc3 Qe2 34.c6 Kd8 35.c7 Kc8 36.Qd4 1–0. Hal1958 – Guitran, playchess.de, 2005.

7.Bc4 b5 8.Be2 Bd6 9.d4 Bb7 10.Nbd2 0-0 11.Nb3 Bc7 12.0-0 Re8 (12...Ne4 13.Ne5 Ne5 14.de5+–) 13.Nc5 (13.Qc2!?+–) 13...Nc5= 14.dc5 Qe7 15.Qb3 (15.Qc2 e5+=) 15...a5= 16.Rfd1 ab4 17.ab4 e5 18.h3 e4 19.Nd4 g6 20.Nc2 Be5 21.Ra3 Reb8 22.Ra8 Ra8 23.Be5 Qe5 24.Rd6 Nd5 25.Nd4 Ra4 (25...Ra1 26.Bf1 Qe8=) 26.Nc6 (better 26.Qb2!? Ra8 27.Bd1+–) 26...Bc6=+ 27.Rc6 Nc3 (27...Rb4!? 28.Qd1 Kg7=+) 28.Rc8 (28.Bf1 Ra1 29.g4 Re1+=) 28...Kg7 29.g3?? (better 29.Bf1 Qf6 30.Rc7=) 29...Ne2–+ 30.Kg2 Nc1 (30...Qa1 31.Qf7 Kf7 32.Rc7 Kf6 33.Rc6 Kg5 34.f4 ef3 35.Kf2 Qg1 36.Kf3 Qf1 37.Ke4 Qf5) 31.Qd1 Nd3 32.c6 (32.Rd8 Qc3 33.Qe2–+) 32...Qf5 (32...Ra2 33.Qf1 Qf5 34.Rg8 Kg8 35.g4 Rf2 36.Qf2 Qf2 37.Kh1 Qg3 38.c7 Nf2) 33.Rd8 Qf2 34.Kh1 Ra2 35.Qg1 (35.Rg8 Kg8 36.Qc2 Qc2 37.c7 Qg2) 35…Qf3 (35...Qf3 36.Qg2 Qg2) 0–1. Chin,Yi Hao – Muzamil,Mirza Irdina, Dpulze Junior, 2019.

7.Bc4 Nb6 8.Be2 Be7 9.0-0 0-0 10.Nc3 Nbd5 11.Ne5 Bd7 12.Nd5 Nd5 13.e4 Nf4 14.Bc4 Ng6 15.Ng6+= hg6 16.Qf3 Bf6 17.d4+/– Qe7 18.e5 Bg5 19.Bc1 a5 20.Bg5 Qg5 21.Rfd1 ab4 22.ab4 Rfd8 23.Qc3 Qe7 24.Bd3 Qf8 25.Qc5 Ra1 26.Ra1 Qc5 27.bc5 Bc8 28.Ra8+– Kf8 29.Kf1 Ke7 30.Ke2 Kd7 31.Ke3 Kc7 32.Ra7 Kb8 33.Ra4 Kc7 34.Rb4 Bd7 35.Rb6 Ra8 36.h4 Ra4 37.g3 Bc8 38.Ke4 Ra2 39.f3 Rg2 40.Kf4 Rd2 41.Rb3 Rh2 42.Rb4 Rd2 43.Ke3 Rg2 44.Bf1 Rh2 45.f4 Ra2 46.Bc4 Ra3 47.Bd3 Ra1 48.Rb3 Ra4 49.Rb1 Ra3 50.Rb6 Ra4 51.Ke4 Ra3 52.Rb2 Ra1 53.Rb3 Re1 54.Kf3 Rh1 55.Be2 Ra1 56.Ke3 Rg1 57.Kd2 Ra1 ½–½. marekt (2310) – Curley (1800), ICC, 2003.

8.Nc3 Nb6 9.Be2 0-0 10.d4 Nbd5 11.0-0 a5 12.b5 Bd7 13.Qa4.

8.d4 0-0 9.Qc2 a5 10.e4 Be7 11.b5 Nb6 12.Bd3 cb5 13.e5 Nfd5 14.Bh7 Kh8 15.Be4 Bd7 16.Nfd2 Bc6 17.Qb3 f5 18.ef6 Rf6 19.0-0 a4 20.Qd3 b4 21.Rc1 Nf4 22.Qf3 ba3 23.Na3 Bb4 24.Bc6 Bd2 25.Rc2 bc6-/+ 26.Rd2 Qd5 27.Qd5 ed5 28.g3 Nh3 29.Kg2 Ng5 30.Rc2 Nf3 31.Rac1 Rc8 32.Ba1 Nd7 33.Re2 Rb8 34.Re7 Rb7 35.h4 Nd2 36.Bc3 Ne4 37.f3 Nc3 38.Rc3 Kh7 39.Kf2 c5 40.dc5 Nc5 41.Rb7 Nb7 42.Ke3 Rf7 43.Kd4 Rd7 44.Nb5 Na5 45.Kc5 Nb3 46.Kb4 d4 47.Rd3 Kg6 48.Rd1 Rd5 49.Na7 d3 50.Ka4 Nc5 51.Kb4 Nd7 52.Nc6 Rd6 53.Na5 Ne5 54.Kc3 Nf3 55.Nc4 Rd8 56.Rd3 Rd3 57.Kd3 Nh4 58.Ke4 Nf5 59.g4 Nh6 60.Kf4 Ng4 61.Kg4 Kf6 62.Kf4 g5 63.Kg4 Kg6 64.Nd6 Kf6 65.Nf5 ½–½. Fritz 5.32 – Fritz 6, 2002.

8.d4 b5 9.Be2 Nd5 10.0-0 Qc7 11.Nbd2 Bb7 12.Rc1+/– a6 13.Nb3 f6 14.Na5 g5 15.g3 g4 16.Nd2 h5 17.e4 N5b6 18.Qb3 Nf8 19.d5 ed5 20.ed5 Nd5+= 21.Qd5!? cd5 22.Rc7 Bc7 23.Nb7 Nd7 24.f3 Ra7 25.Nc5+/– Nc5 26.bc5 Be5 27.Be5 fe5 28.fg4 h4 29.gh4+– Rh4 30.Rf5 Re7 31.Rf6 e4 32.Ra6 e3 33.Nb3 Kf8 34.Kg2 Rhh7 35.Nd4 Rhf7 36.Ra8 (36.Ra8 Kg7 37.Nf5 Rf5 38.gf5+–) 1–0. Bakkers,MJTh – Pennock,Bert, corr NLD–Cup sf M01, 1991.

9.0-0 a5 10.b5 Nb6 11.Be2 Bd7 12.bc6 Bc6 13.Nd4.

9.0-0 Nb6 10.Ba2 e5 11.Qc2 Bg4 12.Ng5 h6 13.h3 hg5=+ 14.hg4 Ng4 15.f3 Nh6 16.Kf2 g4 17.Rh1 Qg5 18.Ne4 Qg6 19.Rac1 Bc7 20.d4 Rfe8 21.b5 ed4 22.Bd4 Be5 23.Be5+= Re5 24.bc6 bc6 25.Rhd1 gf3-/+ 26.gf3 Ng4! 27.Ke2 Nd5 28.Qc6 Qc6 29.Rc6 Nge3 30.Rd3 Ng2 31.Kf2 Ngf4 32.Rd2 Rae8 33.Rc5= Nf6 34.Re5 Re5 35.Rd8 Kh7 36.Nf6 gf6 37.Bf7 Ra5 38.Ke3 Ng6 39.Bg6 Kg6 40.Rd3 Kf5 41.Rb3 Ke5 42.Kf2 Kd4 43.Kg3 Kc4 44.Re3 Re5 45.Re4 Re4 46.fe4 a5 47.Kf4 a4 ½–½. Orsicz – Siminski, corr, 1972.

9.0-0 e5 10.Qc2 Nb6 11.Be2 Bg4 12.d4 Bf3 13.Bf3.

9.0-0 Qe7 10.d4 e5 11.Qc2 e4 12.Nd2 Nb6 13.Bb3.

9.d4 Qe7 10.0-0 e5 11.Qc2 e4 12.Nd2 Nb6 13.Bb3.

7.Qc2 0-0 8.Be2 b6 9.0-0 Bb7 10.d4 dc4 11.Bc4 c5 12.bc5 bc5 13.Nbd2 cd4 14.Bd4 Qa5 15.Qa2 (15.Rfb1 Rfb8+=) 15...e5 16.Nb3?? (better is 16.Bb2=) 16...Qa4–+ 17.Nc5 Bc5 18.Bc5 Nc5 19.Ne5 Ba6 (better is 19...Qe8!? 20.Qb2 Nfd7 21.Nd7 Qd7–+) 20.Bf7-/+ Kh8 21.Rfd1 (21.Rfc1 Nd3 22.Nd3 Bd3-/+) 21...Qe4–+ 22.Nf3 Qe7 23.Bc4 Bc4 24.Qc4 Rac8 25.Rac1 Nfe4 26.Qd5 Rfd8 27.Qc4? Rd1 28.Rd1 Rd8 29.Rd8-/+ Qd8 30.Nd4 Qb6 31.h3 h6 32.Qf7-/+ Qf6 33.Qe8 Kh7 34.f3 Nd6 35.Qa8 Qe5–+ 36.Kf2? Nc4 37.Qd8 Nd3 (37...Nd3 38.Kg1 Qe3 39.Kh2 Nd2–+ (39...Na3?! 40.Ne6-/+)) 0–1. Bravo,Angelo – Leal,Paulo, POR–chT2 Portugal, 1997. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c6 5.e3 Nbd7 6.c4 Be7)

7.Nc3 0-0 8.Rc1 Re8 9.Be2 Bf8 10.0-0 b6 11.cd5 ed5 12.Qb3 White prepares b512...Bb7 13.a4 White plans b5 13...c5 14.b5 c4 15.Qc2 Nc5 16.Nd4 Rc8 17.Ra1 Qc7 18.a5 ba5 19.Na4 Nfe4 20.Nc5 Nc5 (worse 20...Qc5 21.Bg4 Qb6 22.Bc8 Bc8 23.d3 cd3 24.Qd3+/-) 21.Bc3 a4 22.Bb4 Nb3 23.Nb3?? (better 23.Bf8 Na1 24.Ra1 Rf8 25.Ra4-/+) 23...ab3-+ (23...Bb4?! 24.Ra4 Bd6 25.Na5 Bh2 26.Kh1-/+; 23...cb3?! 24.Qc7 Rc7 25.Ra4=+) 24.Qc3 Bb4 (better 24...d4 25.Qc4 Qc4 26.Bc4 b2-+) 25.Qb4 Qc5 26.Qc5 Rc5 27.Ra7 Rb5 28.Bf3 Rb8 29.Rc1 (29.Rb1 b2-+) 29...g6 30.h4? (30.Rb1 Bc6-+) 30...Kg7 31.Rb1 Bc6 32.Ra6 R5b6 33.Ra7 Ra8 34.Ra8 Ba8 35.Rb2 (35.Kf1-+) 35...Ra6 36.Kh2 (36.Rb1 d4! 37.Be2-+) 36...Ra2 37.Rb1 Kf6 (better 37...Rd2!? 38.h5-+) 38.Rd1 (38.d3 Ke6 39.Kg3 Kd6-+) 38...Ke6 (better 38...Rc2!? 39.Kg3-+) 39.Kg3 Kd6 40.Kf4 f6 41.h5 (41.e4 Rc2 42.Ke3 de4-+) 41...Bc6 42.hg6 (42.e4 Ba4 43.ed5 b2-+) 42...hg6 43.Bg4 (43.e4 b2 44.Rb1 Ba4 45.ed5 Bc2-+) 43...c3! 44.dc3 Rf2 (44...b2 45.Rb1 Bb5 46.e4-+) 45.Kg3 (45.Bf3 g5 46.Kg3 Rc2-+) 45...Rc2 46.Rb1 b2 47.Kf4 Ba4 (better 47...Bb5 48.e4 Bd3 49.Rb2 Rb2 50.ed5 Rg2 51.Bc8-+) 48.Bf3 Bb3 49.Be4 (49.Bd1 g5 50.Kg3 Rc3 51.Bh5-+) 49…Rd2 (49...Rd2 50.Bg6 Kc5-+) 0-1. norba94 (2215) - ToniKroos (2200), Rated Blitz game, lichess.org, 2015.

7.Nc3 0-0 8.Be2 b6 9.cd5 ed5 10.0-0 Bb7 11.Qc2 Re8 12.Qb3 Nf8 13.Ne5 N6d7 (13...N8d7 14.d4=) 14.d4+= Ne5 15.de5 Ne6 16.f4 g6 17.Rad1 Qc7 18.e4 White prepares the advance f5 18...de4? (18...d4 19.f5 Ng5+/-) 19.Ne4 c5 (19...Rad8 20.f5 Rd1 21.Bd1+- (21.Qd1?! Rd8 22.Qb3 Bc8+-; 21.Rd1?! gf5 22.Nd6 Rf8+-)) 20.f5 gf5 (20...Nd8 21.e6 Be4 22.ef7 Nf7 23.fg6 Bg6 24.Rf7 Bf7+-) 21.Qg3 Kh8 22.Nd6 Rf8 (22...Bf6 23.Nb7 (23.ef6 Rg8 24.Qg7 Ng7 25.fg7 Rg7 26.Nf5 Rag8 27.Ng7 Rg7+-) 23...Rg8 24.Qe3 (24.ef6?! Rg3 25.hg3 Qb7+=) 24...Qb7 25.Bf3+-) 23.Rf5 Nd4 (23...cb4 24.Rc1 Qd8 25.ab4 Bh4+-) 24.Bd4 cd4 (24...Bf6 25.Rf6 Rg8+-) 25.Rf7 Bf6 26.Rc7 (26.Rc7 Be4 27.Ne4 Rac8 28.ef6 Rc7 29.Qc7 Rg8 30.Qe5 Rg2 31.Kg2 h6 32.Qc7 Kg8 33.Qg7; 26.Nb7?! Qf7 27.ef6 Qf6+-) 1-0. PierrE – Palmassy, internet, 2022.

7.d3 0-0 8.Be2 h6 9.Nbd2 c5 10.b5 Bd6 11.cd5 ed5 12.0-0 Re8 13.d4 c4 14.Bc3 Qc7 15.h3 Nf8 16.Qc2 N8h7 17.Bb4 Ng5 18.Bd6 Qd6 19.Rfe1 Nfe4 20.Ne4 Ne4 (20...Re4 21.Ng5 hg5 22.Bc4 Bh3 23.Bd3+– (23.gh3?! Rc8+=)) 21.Ne5 Qf6 (21...Bf5 22.Rec1+=) 22.Bf3 (22.Bc4 Be6 23.Bd3 Rac8+/–) 22...Re5 (better is 22...Bf5!?+=) 23.de5+= Qe5 24.Rac1 (24.Be4 Qe4 25.Qd2 Bd7+=) 24...Ng5 25.Qe2 Be6 26.Red1 The backward pawn on d5 becomes a target 26...Qf6? (better is 26...Nf3 27.Qf3 Qb2+=) 27.Bd5+– Bh3?? (27...Bd5 28.Rd5 Ne4 29.Rd7+– (29.Rc4?! Nc3 30.Rc3 Qc3+–)) 28.Rc4 (better is 28.gh3 Nh3 29.Kg2 Ng5 30.Bb7 Rb8 31.Qc4 Qf5+–) 28...Bf5 (28...Be6 29.Qc2+–) 29.Rf4 (29.Bb7 Rd8+–) 29...Qe5 (29...Ne6 30.Rb4+–) 30.Bb7 Rb8 31.Bc6 Ne6 32.Rf5! Qf5 33.Qc4 Qh5 34.Rd5 Qg6 35.Qd3 Qf6 36.g3 Ng5 37.Rf5 Qa1 38.Kg2+– Qb2 39.Qd6 Rf8 40.g4 g6 41.Rf4 1–0. orangutandu – wagaar, internet, 2013.

7.d4 =.

7.Be2 0-0 8.0-0 dc4 9.Bc4 b5 10.Be2 Nb6 (10...a5 11.Qc2 Bb7 12.Nd4=) 11.d4 (11.Qc2 Bd7+=) 11...Na4 12.Qc2 Nb2 13.Qb2 Bb7 14.Nbd2 a5 15.ba5 Qa5 16.a4 Qb6 (16...Rfb8 17.ab5 Qb6 18.Ra8 Ra8 19.Rb1+/–) 17.ab5 Ra1 18.Ra1 (worse is 18.Qa1 cb5 19.Rc1 Rb8=) 18...Rb8 19.Rb1 Nd7 20.bc6 Bc6? (better is 20...Qc6 21.Qc1 Qc1 22.Rc1 Nf6+/–) 21.Qc2+– Qc7 22.Rc1 Rc8? (22...Rb6 23.Nc4 Rb5+–) 23.Bb5! Qd8?? (23...Bb5 24.Qc7 Pinning (24.Qc7 Deflection)) 24.Bc6+– Nb8 25.Qa4 Qb6 (25...Qd6 26.Ne5+–) 26.Qa8 (better is 26.Ne5 Nc6 27.Nc6 Kh8+–) 26...Bd6 27.g3 (better is 27.d5 ed5 28.Nd4+–) 27...Rc6+/– 28.Rb1 Qa6 (better is 28...Qd8!?+/–) 29.Rb8+– Bb8 30.Qb8 Rc8 31.Qb4 Qa8 32.Kg2 g5 33.Kh3 h6 34.e4 f5 35.ef5 ef5 36.g4 Qd5 37.Qb3 Qb3 38.Nb3 Rc3 39.Nbd2 h5 40.Kg2 hg4 41.Ng5 Rd3 42.Nf1 Rd4 43.Ne3 Ra4 44.Ne6 Kf7 45.Nc5 Ra5 46.Nd3 Kf6 47.Ne1 Kg5 48.N1c2 f4= 49.Nf1 Kh4 50.Nd4 Rd5 51.Ne6 f3 52.Kg1 Re5 53.Nf4 Re4 54.Nd3 Kh3 55.Ng3 Rd4 56.Ne5 Rd1 57.Nf1 Re1 58.Nd3 Rf1 59.Kf1 Kh2 60.Ne5 g3 61.Nf3 Kh3?? 62.Ng1+– (62.Ng1 Kg4 63.f3 Kh5 64.Kg2+–) 1–0. Scholbach,Tillmann (1980) – Schmiedek,Jens, Leipzig VfB op, 2005.

7.Be2 0-0 8.Nc3 b6 (8...dc4!? 9.Bc4 b5+=) 9.cd5= cd5 10.Nd4 Bb7 11.0-0 a6 12.Rc1 Ne5 13.f4 Nc4 14.Bc4 dc4 15.Qe2 b5 16.Rcd1 Rc8 17.Nf3 (17.d3 Qb6=) 17...Qb6 18.Ne5 Rfd8 19.Kh1 Ne4 20.Ne4 Be4 21.d3 c3 22.de4 cb2 23.Nd3 (worse is 23.Qb2 Rd1 24.Rd1 Qe3-/+) ½–½. Liepert,Luise (1710) – Borissow,Helene, BL2 Gr01, 2008.

8.Nc3 0-0 9.Be2 Bd6 10.0-0 Re8 11.h3 Ne5 12.d3 Nf3 13.Bf3 Bf5 14.Re1 Qd7 15.e4 Bh3 (15...de4!? 16.Ne4 Nd5=) 16.gh3+= Qh3 17.Bg2 Qh4 18.Qf3 Re7? (better is 18...Be5+=) 19.ed5+– Rae8 (19...Re1 20.Re1 c5 21.bc5 Bc5 22.Ne4 Ne4 23.de4+–) 20.Re7 Re7 21.Ne4 (better is 21.dc6 bc6 22.Qc6 Ne8+–) 21...Ne4 (21...Bh2!? 22.Kf1 Nd5+–) 22.de4+– cd5 23.ed5?? (23.Qf5 Qh2 24.Kf1 Rc7+–) 23...f6?? (23...Bh2!? 24.Kh1 Be5 25.Qh3 Qh3 26.Bh3 Bb2=) 24.Bc3?? Bh2= 25.Kf1?? Bd6 26.Re1+– Rc7 27.Re8 Kf7 28.Re3 Qc4 29.Kg1 Qh4 30.Kf1 Qc4 31.Kg1 Qh4 32.Qh3 Qf4 33.Qe6 Kg6 34.Be4 Kg5 35.Rg3 Kh5 36.Qh3 Qh4 37.Bf3 (37.Bf3 Kh6 38.Qh4) 1–0. Fournier,Frederic (1635) – MarceloRuiz, Active, 2006.

8.Nc3 0-0 9.Be2 Re8 10.0-0 Bf8 11.Qc2 g6 (11...Bd6 12.Nd4=) 12.Rac1 Bg7 13.Rfd1 a6 14.d3 Nb6 15.e4 Be6 16.Ng5 Qe7 17.Ne6 fe6 (17...Qe6 18.Re1=) 18.Na4 (18.d4 de4 19.Ne4 Ne4 20.Qe4 Rad8=) 18...Na4= 19.Qa4 Rad8 (19...de4 20.de4 Ne4 21.Bg7 Qg7 22.Qb3=+) 20.Bf3 e5 Black intends d4 21.Qb3 Kh8 22.a4 d4 23.b5 ab5 24.ab5 c5 25.b6 Rc8 26.Ba3 Bf8 27.Qb5 Will c5 fall? (27.Rb1 Qe6=) 27...Qe6 (27...Rc6 28.Qa5=+) 28.Rc4 (28.Bc5 Rc6 29.Bf8 Rb6=) 28...Qc6 (28...Nd7 29.Ra4=+) 29.Qc6 (29.Rb1!?=) 29...Rc6-/+ 30.Rdc1? (30.Ra4 Rb6 31.Ra1 Rb3-/+) 30...Rec8?? (better 30...Ra8 31.Bb2 Rb6-+) 31.h4 h5 32.Rb1 Nd7 33.g4 (33.Ra4 Rb6 34.Bb2 Rb3-+) 33...Nb6 34.Rcc1 (34.Rc2 c4 35.Bf8 Rf8-+) 34...c4 35.gh5?? (better 35.Bf8 Rf8 36.Bd1-+) 35...Ba3 36.hg6 (36.Rc2 cd3 37.Rc6 Rc6 38.Rb5-+) 36...Bc1 37.Rc1 cd3 38.Rc6 Rc6 39.h5 Rc1 40.Kg2 Kg7 41.h6 (41.Kg3 Nc4 42.Kg4 Nd6-+) 41...Kh6 42.Kg3 Kg7 (42...Kg6 43.Kh3 Kg5 44.Kg3-+) 43.Kg4 d2 44.Kf5 d1Q (better 44...Nc4!? 45.Ke6 b5 46.Be2-+) 45.Bd1 Rd1 46.Ke5 Rf1 (better 46...Nc4 47.Kd5 b5-+) 47.f4 (47.Kd4 Rf2 48.Ke3 Rh2-+) 47...Rf2 (47...d3 48.f5 d2 49.f6 Rf6 50.Kd4 d1Q 51.Kc3 Rc6 52.Kb2 Rc2 53.Ka3 Qa1 54.Kb4 Qa4) 48.f5 (48.Kd4 Rf4 49.Ke3-+) 48...d3 49.Kd4 d2 50.Ke3 d1Q (50...Rh2 51.f6 Kf6 52.Kf4 d1Q 53.e5 Kg6 54.Kg3 Qg1 55.Kf3 Kf5 56.e6 Qf2) 51.Kf2-+ Qd4 52.Kf3 Qe5 53.Kg4 Nd7 (53...Qe4 54.Kg5 Qe3 55.Kh4 Nd5 56.f6 Kg6 57.Kg4 Nf6 58.Kh4 Nh5 59.Kg4 Qg3) 54.Kg5 Nf6 (54...Qg3 55.Kh5 Nf6) 55.Kh4 Qe4 (55...Qh2 56.Kg5 Qg3) 56.Kg5 (56.Kg3 Qf5 57.Kg2 Ne4 58.Kh1 Qf3 59.Kg1 Qf2 60.Kh1 Ng3) 56…Qg4 0-1. allyouneedisluft (2535) - learningfast (2395), Rated Bullet game, lichess.org, 2018. (=1.a3 d5 2.b4 c6 3.Bb2 Nd7 4.e3 Ngf6 5.Nf3 e6)

8.d3 0-0 9.Nbd2 Re8 10.Be2 Bf8 11.0-0 Qc7 12.Rc1 Qb8 13.h3 a5 14.ba5 Ra5 15.Nb3 Rb5 (15...Ra4!?+=) 16.d4 Rb6 17.a4 Ne4 18.a5 Rb4 19.Ba3 Ra4 20.Bf8 Nf8 21.Nfd2 Bf5 22.Ne4 Be4 23.Bd3 Bd3 24.Qd3 Qd6? (24...Ne6 25.Ra1 Ra1 26.Ra1=) 25.Ra1 (25.Nc5 Ra2 (25...Ra5?? 26.Nb7 Qa3 27.Rc3+–) 26.Nb7 Qc7+–) 25...Rc4 (25...Ra1!? 26.Ra1 Nd7+=) 26.Nc5+/– White prepares a6 26...Rb8 27.Rfb1 Qc7 28.a6 b5 29.Nb3 Nd7 30.Nd2 Ra4 31.Ra4 ba4 32.Rb8 Nb8 33.Nb1 Qb6 34.Nc3 a3 35.Na2 Qa6-/+ 36.Qa6 Na6–+ 37.Kf1 Kf8 38.Ke1 Ke7 39.Kd2 Kd6 40.Kc3+= c5 41.dc5? Kc5 42.Kb3+= d4 43.ed4 Kd4 44.Ka3 Kd3 45.Kb3 Ke2–+ 46.g4 Kf2 47.Nc3 Kg3 48.Kc4 Nc7 49.Kd4? Ne6 (49...Ne6 50.Ke5 Kh3–+) 0–1. Fournier,Frederic (1805) – lossuaves, Active, 2007.

8.Be2 0-0 9.0-0 a5 10.h3 (better is 10.b5!?=) 10...ab4-/+ 11.ab4 Ra1 12.Ba1 Bb4 13.Qb3 Bd6 14.d3 Nc5 15.Bf6 (15.Qc2 Bf5-/+) 15...Qf6–+ (15...gf6?! 16.Qc2+=) 16.Qc3 Qc3 17.Nc3 Bf5 18.d4 Ne4 19.Ne4 de4 20.Nd2 Ra8 21.Nc4 Bc7 22.Rb1 b5 23.Nb2 Bd7 24.f3 f5 25.fe4 fe4 26.g4 Ra2 27.Kf1 Be6 28.Nd1 Rc2 29.Ra1 Bg3 30.Nf2? (better is 30.Rb1–+) 30...Bf2 31.Kf2 Bc4 32.Re1 (32.Kg3 Re2 33.Kf4–+) 32...b4 33.Kf1 (33.Kg3 Re2 34.Rc1 Bd5–+) 33...Be2 34.Re2 (34.Kf2 b3 35.Kg3 b2–+) 34…b3 0–1. Hal1958 – FortKnox, playchess.de, 2005.

8.Be2 0-0 9.0-0 Qc7 10.h3 Bd6 11.d3 Ne5 12.Ne5 Be5 13.Be5 Qe5 14.Nd2 a6 15.Nf3 (15.Nf3 Qe7 16.Qc2=). Woelfelschneider,Peter – Schoeffel, 2009,

8.Be2 0-0 9.0-0 Bd6 10.Nc3 Re8 11.h3 Ne5 12.Ne5 Be5 13.Qc2 Ne4 14.Ne4 Bb2 15.Qb2 Re4 (15...de4 16.Rad1=) 16.Bd3 Rh4 17.Qe5 g6 (17...d4 18.Rac1=) 18.f4 Rh5 19.Qd4 Qh4 20.Be2 Bg4?? (better is 20...Rh6 21.Rf2 Bf5+=) 21.Bg4+– (21.Bg4 Rh6 22.b5+–; worse is 21.hg4 Rh6+–) 1–0. Woelfelschneider,Peter – Rasputin, 2009.

7.c4 a5 =.

7.c4 Ba6 8.Nbd2 dc4 9.Nc4 Bc4 10.Bc4 b5 11.Bd3.

7.c4 Bd6 8.c5 Be7 9.Bd3 a5 10.0-0 Ba6 11.Ba6.

7.c4 Be7 8.cd5 cd5 9.Bd3 Bb7 10.Nc3 0-0 11.0-0.

7.Nbd2 Bb7 8.c4 Be7 9.Be2 0-0 10.0-0 Rc8 11.Rc1 Re8 12.Qa4 a6 13.c5 b5 14.Qc2 a5 15.a4 ab4 16.ab5 Ra8 (better is 16...cb5!? 17.Ra1 Bc6+/–) 17.b6+– Bf8 18.Ra1 Qb8 19.Ra8 Ba8 20.Ra1 Bb7 21.Ra7 Re7 22.Qb3 g6 23.Qb4 Bg7 24.Nb3 Nh5 (24...Qc8 25.Na5 Nb8 26.Ne5+– (worse is 26.Rb7 Rb7 27.Nb7 Qb7+–)) 25.Na5 Ndf6 (25...Ba8 26.Rc7 Nhf6+–) 26.Ne5 (26.Ne5 Ng4 27.Ng4+–) 1–0. b4_player – branne, casual, 2013.

7.Nbd2 c5 8.dc5 bc5 9.Bb5 a6 10.Bd7 Bd7 11.bc5 Bc5 12.0-0 0-0 13.c4= dc4 14.Nc4 Qb8?? 15.Bf6+– gf6 16.Qd7 Rd8 17.Qa4 Bf8 18.Rab1 Qc7 19.Rfc1 Qe7 20.Nd4 Bg7 21.Nb6 Ra7 22.Nc6 Qe8 23.Nd8 Qd8 24.Rc8 (24.Rc8 Qf8 25.Qc6+–) 1–0. Bull_Dog_Baz – leighcastle, ChessWorld.net, 2009.

7.Nbd2 Bd6 8.c4 0-0 9.c5 Bc7 10.Bd3 bc5 11.dc5.

7.Nbd2 Be7 8.c4 0-0 9.Bd3 a5 10.cd5 ed5 11.Ne5.

7.Bd3 c5 8.dc5 bc5 9.bc5 Bc5 10.0-0 h6 11.Bb5 a6 12.Be2 0-0 13.Nbd2 Bb7 14.Qb1 a5?? 15.Bf6+– Nf6 16.Qb7 Qd6 17.Rfd1?? Rfb8=+ 18.Nc4 Rb7 19.Nd6 Bd6 20.g3 Ne4-/+ 21.Nd2 Nc3–+ 22.Re1 Be5 23.Rac1 Bd6 24.Bg4?? Ba3–+ 25.Ra1 Bb4 26.e4 Ne4 27.Red1 Bd2 28.f3 Be3 29.Kg2 Nf2 30.Re1 Ng4 31.fg4 Bd2 32.Rf1 Rb2 33.Rab1 Rc2 34.Kh3 Bg5 35.Rb7 Bf6 36.Rfb1 a4 37.Rb8 Rb8 38.Rb8 Kh7 39.Ra8 Rc4 40.Ra7 Kg6 41.Kg2 Bb2 42.h4 Rg4 43.Kh3 Re4 44.Kg2 a3 (44...a3 45.Kf3 e5–+) 0–1. coachwright – cozMc, corr, 2004.

6.b5 0-0 7.Be2 Re8 8.c4 c6 9.a4 e5 10.0-0 e4-/+ 11.Nd4 Qc7 12.h3 c5 13.Nf5 Bf8 14.cd5= Nd5 15.d4?? ed3 16.Bd3= c4?? 17.Bc2 c3= 18.Ba3 Ba3 19.Na3 N7f6 20.Nd4 Bd7 21.Kh1 Qc8 22.Qe1 Bh3!–+ 23.gh3? Qh3 24.Kg1 Ng4 25.Bh7 Kh8 26.Nf3 Qf3 27.Be4 Qh3 (27...Qh3 28.Bd5 Qh2#) 0–1. ATUK – notasoreloser2, Live Game Caissa's Web, 2005.

6.Nc3 0-0 =.

6.Nc3 a5 =.

6.Nc3 e5 =.

6.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Bd6 5.e3 Nbd7 6.c4).

6.d3 0-0 7.Nbd2 c5 8.b5 a6 9.a4 ab5 (9...Qa5 10.c4-/+) 10.ab5+= Ra1 11.Qa1 Nb6 (11...Qc7 12.g4+=) 12.c4= Bd7 13.Be2 Qe7 (better is 13...Qc7=) 14.Qa7+/– Bc7 15.Qb7 Rc8 16.Qa7 Qd8 17.Qa1 Ra8 18.Qb1 Na4 19.0-0 Nb2 20.Qb2 Ra4 21.Ra1 Qa8? (21...Ra1 22.Qa1 Qb8 23.Nb3+/–) 22.Nb3 (better is 22.Ra4 Qa4 23.b6+–) 22...Ne8?? (better is 22...Bd6+/–) 23.Ra4+– Qa4 24.Nc5 Qa7 25.Nd7 Bd6 26.Nde5 Ba3 (26...f6 27.Nc6 Qb7 28.Qb3+–) 27.Qb3 (27.b6 Qa6 28.Qa2 h6+–) 27...Bc5 (27...Bd6 28.Nc6 dc4 29.dc4+–) 28.cd5 ed5 29.d4 Qa1 (29...Be7 30.Qd5 Nd6 31.Nf7 Nf7 32.Ne5+–) 30.Qd1 (better is 30.Bf1 Bb6 31.Qd5 Qa7+–) 30...Qd1 31.Bd1 Bd6 32.Bb3 f6 33.Bd5 Kf8 34.Nc4 Bb8 35.Bc6 Nc7 (35...Ke7 36.Nb6 Bd6 37.Nd5 Kf7 38.b6+–) 36.d5 (better is 36.Nb6 Ba7 37.Nd7 Ke7+–) 36...Kf7 (36...Ne8 37.Nd4 Nd6 38.Nb6+–) 37.Nd4 Ne8 38.b6 Ke7 39.b7 (39.Be8 Ke8 40.Nc6+–) 39...g6 (39...Nd6 40.Nb6 g6+–) 40.Be8 Ke8 41.Nc6 1–0. Coquelle,Arnaud (1760) – Lafitte,Luc (1865), Saint Affrique FRA, 2014.

6.d3 0-0 7.Nbd2 c5 8.bc5 Nc5 9.c4 dc4 (better is 9...Bd7!?-/+) 10.Nc4= Bc7 11.Qc2 (11.Bf6!? Qf6 12.d4+=) 11...Bd7+= 12.a4 Re8 (12...Rc8!?+=) 13.Be2= Rc8 (13...Rb8 14.a5+=) 14.0-0+= Bb8 15.a5 Bb5 16.Rfd1 Qe7 17.Rdc1 Qd8 (17...Nd5 18.g3+=) 18.Bd4 b6 (18...Bc4!? 19.Qc4 Bd6+=) 19.ab6+– ab6 20.Qb2 Bc4 21.Rc4 Ncd7 22.Rc8 Qc8 23.Bb6 Nb6 24.Qb6 h6 25.d4 Qc2 26.Qb5 Rf8 (26...Bd6 27.g3+/–) 27.Bd3 Qc3 28.Rb1 Qc7 (28...Bd6 29.g3+/–) 29.g3+– Nd5 30.Qb2 Nf6 (30...Qd6 31.Ne5+–) 31.Kg2 (31.Ne5 Nd5+–) 31...Qd6 (31...Qc8 32.Qb6+–) 32.Qe2 (32.e4 Qd8+–) 32...Nd5 33.Rc1 Nf6 34.Bb1 Rd8 35.Qc2 Kf8 (35...Qa3 36.Qc5 Qa6 37.Qc3+–) 36.Ne5 (36.Qa4 Qd5+–) 36...Qd5 37.e4 Qb5 (37...Qd4?? 38.Nc6 Qe4 39.Qe4 Ne4 40.Nd8+–) 38.Nf3 Qa5 (38...Nh7 39.h4 Nf6 40.Qd2+–) 39.e5 Ne8 40.Qe4 Ba7 41.Bd3 Bb6 (41...Qd5 42.Qd5 Rd5 43.Rc4+–) 42.Rb1 Qa7 43.Bb5 (43.Rb3 Qc7+–) 43...Kg8 (better is 43...Bd4 44.Be8 Ke8+–) 44.Be8 Re8 45.Qc6 Rb8 46.d5 ed5 47.Qd5?? (better is 47.e6 fe6 48.Qe6 Kh8 49.Ne5+–) 47...Rd8+= 48.Qb3 Bf2 49.Rf1 (49.e6 Be3=) 49...Qb6 50.Qb6 ½–½. Mamuzic,Mirko (2250) – Vadoc,Karolj (1970), Backa Topola, 2010. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 Bd6 5.e3 Nbd7)

6.d3 0-0 7.Nbd2 c5 8.Be2 cb4 9.ab4 Bb4 +=.

6.d3 0-0 7.Nbd2 Re8 8.c4 c6 9.Qc2 b6 (9...a5 10.c5 Be7 11.Be2=) 10.Be2 (10.cd5 cd5 11.Qc6 Qc7 12.Qa8 Ba6 13.Qe8 Ne8+=) 10...Bb7= 11.0-0 Rc8 12.Rad1 c5 13.b5 e5 14.Rfe1 d4 15.e4 Nf8 16.Rf1 Ne6 17.Rfe1 Nf4 18.Nf1 Nd7 19.g3 (19.Ng3 Ra8=) 19...Ne6 (19...Ne2 20.Qe2 Ra8 21.Rb1=+) 20.h4 (20.Rb1 Qf6=+) 20...Rf8 21.N3h2 g6 (21...Ra8 22.h5-/+) 22.Bf3 Rc7 23.Bc1 Qa8 24.Bh6 Ng7 25.Ng4 f5 26.Ngh2 Nf6 (26...fe4 27.Be4 Be4 28.de4=+) 27.Nd2= Rcf7 28.Bg2 (28.ef5 gf5 29.Bg5 Bf3 30.Nhf3 Re8=) 28...fe4=+ 29.Ne4 Ne4 30.Be4 Be4 31.Re4 Rf2 32.Qf2 Rf2 33.Kf2 Nf5 34.Bg5 Qf8 (34...a6 35.ba6 Qa6 36.Nf3=+) 35.Kg2 h6 36.Bd2 Bc7 37.Rf1 (37.Rde1 Qa8 38.Nf3 h5=) 37...Qg7 (37...Qa8 38.Ng4 Kg7 39.Rf3=) 38.Ng4 Exerts pressure on the backward pawn 38...h5 39.Nh2 (better 39.Nf2!?=) 39...Nd6-/+ 40.Re2 (40.Ree1 e4! 41.Bg5 Bb8-/+) 40...e4! 41.de4 (better 41.Bg5!?-/+) 41...Nc4-+ 42.Bg5? (42.Bc1 d3 43.Ref2 Nd6-+) 42...Ne5 (42...Na3 43.e5 d3 44.Re3 Be5 45.Nf3-+) 43.Bf6 (better 43.Ref2!?-/+) 43...Qd7-+ 44.Nf3 (44.a4-+) 44...Ng4 45.e5 Ne3 46.Re3 de3 47.Re1 Qd3 (47...Qb5?! 48.Re3 Qb2 49.Kf1-+) 48.Bg5 e2 (48...Qa3 49.Be3 Qb2 50.Bd2-+) 49.Kf2 Be5! 50.Re2?? (50.Ne5 Qd4 Double attack (50...Qd4 Decoy)) 50...Bd4 (better 50...Bg3 51.Kg3 Qe2-+) 51.Nd4 Qd4 52.Kf3 (52.Kg2 Qa4-+) 52...Qd5 (52...Qd3 53.Kf2 Qb5 54.Re3-+) 53.Kf4 (53.Kf2 Qd7-+) 53...Qf5 (53...Qc4 54.Kf3 Qb5 55.Bf4-+) 54.Ke3 c4 55.Rd2 (55.a4 Qc5 56.Kf4 Qf8 57.Ke3 Qa3 58.Kf2 Qa4 59.Re8 Kf7 60.Re7 Kf8-+) 55...Qe5 56.Kf2 c3 (better 56...Qb5 57.Re2 Qc5 58.Kg2 Qa3-+) 57.Rd8= Kf7 58.Rd7 Kf8 59.Rd8 Kf7 60.Rd7 Ke8 61.Rd8 Kf7 ½-½. TwelveTeen (2595) - dmitrij_IM (2570), lichess.org, 2018.

6.d3 b6 7.Be2 Bb7 8.0-0 e5 9.Nbd2 Qe7 10.c4 c6 11.cd5 cd5 12.Rc1 0-0 13.Qb3 e4 (13...a5!?+=) 14.de4 de4 15.Nd4 Bd5 16.Bc4 Bh2? (better is 16...Bc4 17.Nc4 Bc7=) 17.Kh2+– Ng4 18.Kg3 Bc4 19.Nc4 (worse is 19.Qc4 Qd6 20.Kg4 Ne5 21.Kh3 Nc4 22.Rc4 Qh6 23.Kg3 f5-/+; 19.Rc4?! Nge5+=) 19...Qg5 20.f4 ef3? (20...Qg6 21.Rh1+/–) 21.Kf3?? (21.Nf3!? Qh5+–) 21...Rae8? (better is 21...Nh2 22.Kf2 Nf1 23.Rf1 Nf6+=) 22.Ne2?? Nde5?? 23.Ke4?? Nc4–+ 24.Kd3 Nce3 25.Kc3 Nf1 26.Rf1 Qe3 27.Kc2 Qe2 28.Kb1 Qf1 29.Ka2 Qf5 30.Qa4 Qe6 31.Ka1 Rd8 32.Qc2 Rfe8 33.Kb1 Ne3 34.Qc3 f6 35.Ka1 Nd1 36.Kb1 Nb2 37.Kb2 Qe5 38.Qe5–+ Re5 39.Kb3 b5 40.g4 Re2 41.g5 Rd3 0–1. Fournier,Frederic (1975) – Dinara (2630), Echecs21, 2003.

6.d4 a5 7.c4 =+.

6.d4 a6 7.c4 c6 8.Nc3 b5 9.c5 Bc7 10.Bd3 (10.a4 Bb7+=) 10...Bb7 (10...a5 11.0-0+=) 11.0-0 0-0 12.a4 e5 13.de5 Ne5 14.Ne5 Be5 15.Qc2 h6 16.Ne2 Bc7 17.Nd4 Qe7 (17...h5 18.ab5 ab5 19.Ra8 Qa8 20.Nf5+–) 18.Nf5+– Qd8 19.Qe2 Bc8 (19...Re8 20.Qf3 Re6 21.g3+–) 20.ab5+– Bf5 21.Bf5 cb5 (21...ab5 22.Ra8 Qa8 23.Ra1+–) 22.Ra2 Qe7 23.Rfa1 Ne4 (23...a5 24.Bd4+– (24.Qb5?! Rab8 25.Qd3 Rb4+=)) 24.Ra6 Ra6 25.Ra6 Qg5? (25...Be5+–) 26.Qg4 Qg4 27.Bg4 Nd2 (27...f5 28.Be2+–) 28.Bd4 Nb3 (28...Bb8 29.Bd7+–) 29.Bc3 Rd8 (29...Nc1 30.Ra3 Nd3 31.Be2+–) 30.Ra7 Bb8 31.Rb7 d4 (31...Re8 32.g3+–) 32.ed4 Nd4 (32...Kf8 33.d5 Nc1 34.c6+–) 33.Bd4 Rd4 (33...f5 34.Be2 Rd4 35.Rb8 Kf7+–) 34.Rb8 Kh7 35.Be2 Rb4 (35...f5 36.c6 Rb4 37.c7 Rb1 38.Bf1+–) 36.Bd3 g6 37.g3 Rb3 38.Bb5 Rc3 39.c6 h5 40.Rb7 Kg7 41.c7 h4 42.gh4 Kh6 43.Bd7 1–0. Pierre – Danziger, internet, 2020.

6.d4 b6 7.c4 c5 8.bc5 bc5 9.dc5 Bc5 (9...Nc5!? 10.Be2 Rb8+=) 10.cd5 ed5 11.Bd3 0-0 12.0-0 White castles and improves king safety 12...Ne4 13.Nbd2 White threatens to win material: Nd2xe4 13...Ndf6 (13...Bb7 14.Qe2=) 14.Qc2 Qe7 15.Nd4 The knight likes it on d4 (15.Ne4 Ne4 16.h3 Re8=) 15...Bd7 16.N2f3 Rab8 17.Qe2 Black has an active position 17...Rfc8 18.Rfc1 Rb6 19.a4 Rcb8 20.Rcb1? (20.Rab1 Ng4 21.a5 R6b7-/+) 20...Bb4?? Black has a very active position. releasing the pressure on the opponent (better is 20...Ng4–+ Black had this great chance) 21.a5= White threatens to win material: a5xb6 21...R6b7 White has a cramped position 22.Ba6 White threatens to win material: Ba6xb7 22...Rc7 23.h3 Secures g4 23...Qe8 24.Kh1 Bd6 Black has an active position 25.Qf1 Nc5 26.Bd3 Nfe4 27.Be4? Ne4 28.Kg1-/+ Rcb7 29.Ra2?? cause more grief 29...Nc3!!–+ Deflection: b2 30.Raa1 Nb1 31.Rb1 Rb2 32.Rb2 Rb2 0–1. Rzoska,Kamil – Zajac,Magdalena (2070), Bydgoszcz op–B Poland, 2012. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Nbd7 5.e3 Bd6)

6.d4 Nb6 7.Nc3 0-0 8.Bd3 a5 9.b5 Bd7 10.–0 c6 11.Ne5 cb5 12.Nd7 Qd7 13.Nb5 Rfc8 14.a4 Nc4 15.Bc1 Bb4 16.c3 Be7 17.f3 Qc6 18.Qe1 Ne8 19.e4 Nc7 20.Rb1 Nb6 21.Rb3 Na4 22.Bf4 Na6 23.ed5 Qd5 24.Qe4 g6 25.Qd5 ed5 26.Ra1 N4c5 27.dc5 Nc5 28.Bc2 Nb3 29.Bb3 Rc5 30.Ba4 Bf6 31.Ra3 Be7 32.Ra2 Ra6 33.Kf2 Rb6 34.Re2 Bf8 35.Re8 Kg7 (35...Rcb5 36.Bh6 Rb2 37.Kg3 Rg2 38.Kg2 Rb2 39.Kg3 Rg2 40.Kg2 d4 41.Rf8; 35...Rbb5?? 36.Bh6 Rc8 37.Rc8 Rb2 38.Kg3 Rg2 39.Kg2 d4 40.Rf8) 36.Nd4 Rc4 (worse is 36...Rc3 37.Nf5 gf5 38.Be5 f6 39.Bc3 Bc5 40.Ke2+=) 37.Bd1 Bc5 (worse is 37...Rc3 38.Nf5 gf5 39.Be5 Kh6 40.Bc3 Bc5 41.Ke1+=) 38.Ke1 a4 (worse is 38...Rc3 39.Nf5 Kf6 40.Be5 Kf5 41.g4 Kg5 42.Bc3 Re6 43.Re6 fe6 44.Ba5+=; 38...Bd4?! 39.cd4 Rb1 40.Ke2+=) 39.Be2 Bd4 40.cd4 Rc2 41.Kd1 Ra2 42.Bc1 (better is 42.Ke1-/+) 42...Ra1 43.Bd3 Rc6 44.Bc2 Rc4 45.Re3 Rd4 (better is 45...b5!? 46.Ra3 Rd4 47.Rd3 Rd3 48.Bd3–+) 46.Bd3 Rb4 47.Re1 b5 48.Ke2 Ra2 (48...Ra2 49.Kf1 Rb3–+). RDN33 – Subedei, ChessWorld.net, 2013. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Bd6 5.e3 Nbd7)

6.d4 Ne4 7.Nbd2 0-0 8.c4 Ndf6 9.Bd3 Bd7 10.0-0 Nd2 11.Qd2 dc4 12.Bc4 Bc6 13.Qe2 Bd5 14.Bd3 Ne4 15.Qc2 f5 16.Rae1 Nd2?? 17.Nd2+– Bh2 18.Kh2 Qh4 19.Kg1 Bg2 20.Kg2 Qg4 21.Kh1 Qh3 22.Kg1 Rf6?? 23.Qc7 Rh6 (23...Rh6 24.Qg7 Kg7 25.d5 Kg8 26.Bf5 Qh2#) 0–1. Autengruber,Robert – Schmid,Guenter (2315), Niederbayern–chT, 2001.

6.d4 Qe7 7.c4 c6 8.c5 Bc7 9.Bd3 (9.Nc3 0-0=) 9...e5 10.de5 Ne5 11.Ne5 Be5 12.Qc2 Bb2 (12...d4 13.Nd2 de3 14.Nc4 ef2 15.Kf1 Bb2 16.Qb2-/+) 13.Qb2 Bg4 14.0-0 0-0 15.Nd2 Rfe8 16.Rfe1 Bh5 17.e4 de4 (17...Bg6 18.f3 Qc7 19.Rad1=+) 18.Ne4+= Ne4 19.Re4 Qd7 20.Rae1 Re4 21.Be4 Re8 22.Qc1 Kh8 23.Bc2 Bg6 24.Bg6 hg6 25.h3 Kg8 26.Re8 Qe8 27.Qd2 Qe7 28.Qd3 Kf8 29.Kh2 Ke8 30.g3 Qe5 31.Kg2 Ke7 32.Qe3?? (32.f4!? Qb2 33.Kf1 Qc1 34.Kf2 Qb2 35.Ke3=) 32...Ke6 (32...Qe3 33.fe3 Ke6 34.Kf3-+) 33.Qe5?? (better 33.Qc1=) 33...Ke5-+ 34.Kf3 b6?? (34...Kd4 35.Ke2-+) 35.Ke3?? (better 35.cb6 ab6 36.Ke3+=) 35...bc5-+ 36.bc5 Kd5 37.f4?? (37.Kd3-+) 37...Kc5 (better 37...Kc4 38.Kd2 Kc5 39.Kc3-+) 38.g4 (38.Kd3 Kd5 39.a4-+) 38...Kd5 39.h4 c5 (better 39...f5 40.gf5 gf5 41.Kd3-+) 40.h5 (40.g5-+) 40...gh5 41.gh5 c4 42.Kd2 (42.a4 a6-+) 42...Ke4 43.Kc3 Kf4 44.h6 (44.Kc4 Kg4 45.Kb5 f5-+) 44...gh6 45.Kc4 h5 0-1. levtraru (2105) - jmsan (2100), Rated Bullet game, lichess.org, 2015. (=1.a3 A00: Irregular Openings 1...d5 2.b4 Nf6 3.Bb2 Nbd7 4.Nf3 e6 5.e3 Bd6)

6.Be2 b6 7.d3 Bb7 8.Nbd2 0-0 9.0-0 c5 10.b5 Qc7 11.h3 e5 12.Nh4 g6 13.c4 Rfe8 (13...e4!?=+) 14.cd5= Nd5 15.a4 Be7 (15...N7f6 16.Nc4=) 16.Nhf3 Bf6 17.Qb3 Rad8 18.Rfd1 Bg7 19.a5 N7f6 20.ab6 ab6 21.Ra7 Ra8 (21...Qb8!? 22.Ra4 Qc7+=) 22.Be5+– Re5 23.Rb7 Qb7 24.Ne5 Qa7 25.Bf3 Qa2 26.Rb1 Qb3 27.Rb3 Ra1 28.Rb1 Rb1 (28...Ra7 29.Ndc4 Nc3 30.Rb3 Ra1 31.Kh2+–) 29.Nb1+– Kf8 30.Nd2 Nc3 31.Ndc4 Nb5 32.Nb6 Ke7 33.Na4 Ke6 34.Nc6 Nd7 35.Nd8 Ke7 36.Nb7 c4 (36...Nc3 37.Nac5 Ne5 38.d4 Nf3 39.gf3+–) 37.dc4 Nd6 38.Na5 Kd8 39.c5 Nb5 40.Kf1 Kc7 41.Nb3 Nc3 (41...Ne5 42.Be2 Na3 43.Nc3+–) 42.Nc3 Bc3 43.Nd4 White prepares c6 43...Bb4 44.c6 Nc5 (44...Nb6 45.Nb5 Kd8 46.Ke2+–) 45.Nb5 Kd8 46.Bd5 f6 47.Bg8 h6 48.Ke2 Na6 49.Bh7 Nc7 50.Nd4 g5 51.Kd3 Ke7 (51...Be1 52.f3+–) 52.Nf5 Kf7 53.Kc4 (53.Nh6?! Kg7 54.Ng4 Kh7 55.Nf6 Kg6+–) 53...Ba5 54.g4 Ne6 (54...Be1 55.f3+– (55.Nh6?! Kg7+–)) 55.Kd5 (55.Nh6?! Kg7 56.Ng8 Nd8+–) 55...Nc7 56.Kd6 Nb5 (56...Na8 57.Kd7 (57.Nh6?! Kg7+–) 57...Nb6 58.Kc7 Na4 59.Kb8+–) 57.Kd7 1–0. Pierre – Boxxer, internet, 2019.

6.Be2 c6 7.0-0 Qc7 8.h3 e5 9.d3 h6 (9...a5 10.ba5 Ra5 11.Nbd2+=) 10.Nbd2 0-0 11.c4 Re8 12.Rc1 Qd8 13.e4 d4 14.Qb3 White plans b5 14...b6 15.Bd1 Qe7 16.Qa2 c5 17.b5 g5 (17...Nh5!?+=) 18.Nh2 Nf8 19.Ng4 Kh7 20.Nf6 Qf6 21.Nf3 Ng6 22.Nh2 Nf4 23.Qb3 Qg6 24.Rb1 h5 25.Bc1 Rg8 26.Qc2 f5 27.Bf4 gf4 28.Bf3 Bd7 (28...Bb7 29.Kh1+=) 29.Qe2 Kh6 30.Kh1 Raf8 31.Rg1 fe4 32.Be4 (worse is 32.Qe4 Bf5 33.Qd5 Bd3-/+) 32...Bf5 33.Bf5 Qf5 34.f3 (34.Nf3 Ra8+/–) 34...Rg7 35.Nf1 Rfg8 36.Nd2 Be7 37.Ne4 Kh7 38.Qf2 Kh8 39.Rbd1 Qd7 40.Rb1 Qd8 41.Qe2 Bh4 42.a4 Bg3 (better is 42...Qc7!?=) 43.Ng3+/– Rg3 (43...fg3!? 44.Qe5 Qg5+/–) 44.Qe5+– R8g7 45.Qf4 Qd7 46.Kh2 (46.Qh6 Rh7 47.Qf8 Rg8 48.Qf6 Qg7 49.Qg7 Kg7+–) 46...R3g6 (46...Qe6!?+–) 47.Rbe1 Re6 48.Re5 Re5 49.Qe5 Qf7 50.Re1 Kh7 51.Qe4 Kh6 52.Qe6 Qe6 53.Re6 Kg5 54.Re4 h4? (54...Rf7+–) 55.Rg4 Kf6 56.Rg7 Kg7 1–0. Cabarkapa,Novak (1940) – Igaz,Ervin (2090), Subotica City–ch, 2008.

6.Be2 e5 7.0-0 Qe7 8.c4 c6 (8...dc4 9.Bc4 e4 10.Nd4+=) 9.d3 0-0 10.Nbd2 e4 11.de4 de4 12.Ne1 Ne5 (12...c5 13.Nc2+=) 13.h3 Rd8 14.Qc2 White prepares c5 14...Bf5 15.c5 Bc7 16.Nc4 Nd3 17.Bd4 Qe6 (better is 17...Nf4!?+=) 18.Nd3+= ed3 19.Bd3 Bd3 20.Qd3 Rd5 21.Qc2 Ne4 22.Nd2 (22.Rfd1+/–) 22...Ng5? (better is 22...Nd2!? 23.Qd2 Be5+=) 23.f4+– Rd4 24.ed4 Qe3 25.Kh1 Bf4 26.Rae1 (better is 26.Qf5 Ne6 27.Nf3+–) 26...Qd2 27.Qd2 Bd2 28.Re7 Kf8 29.Rb7 f6 30.Kh2 Rd8 31.g3 Rd4 32.Ra7 Ne4 (32...Be3 33.Ra8 Kf7 34.Ra7 Kg6 35.Kh1-/+) 33.Rg1 (33.Kg2!?=) 33...Be3 34.Rg2 h5 (34...Bf2!?+=) 35.Ra8 Kf7 36.Rh8 (36.Re2 Rd3=) 36...Rd5 (36...Bf2 37.Rc8 Rd2 38.g4-/+) 37.Rc2 (37.Re2 Rd3 38.Rc8 h4 39.gh4 Bf4 40.Kg2 Rg3 41.Kf1 Be3 42.Rc7 Kg6+=) 37...Bd4 38.Ra2 (better is 38.Re2!? Nc3 39.Rg2+=) 38...Be5 39.Rh5?? (39.a4 Nc3 40.Rg2 Rd4 41.Rh5 Rb4–+) 39...Nc3 (better is 39...Bg3 40.Kg2 Rh5–+) 40.Rg2-/+ Nb5 (better is 40...Rd3!?-/+) 41.Rh8 Na3-/+ 0–1. Cabarkapa,Novak (1940) – Veceri,Julius (2055), Subotica City–ch, 2008.

6.Be2 e5 7.c4 0-0 8.c5+= Be7 9.Ne5+/– Ne5 10.Be5 Ne4 11.Nc3 Bf6 12.Bf6 (12.Bf6 Qf6 13.0-0 Nc3 14.dc3+/–) 1–0. JonathanDee – bai_bai, internet, 2007.

6.g4 0-0 7.g5 Ne4 8.h4 c5 (better 8...Be7!?=+) 9.d3+= Nf2 10.Kf2 cb4 11.ab4 Bb4 12.Nbd2 Bd6 13.Bh3 e5 (better 13...f5+/-) 14.e4?? (14.Bd7!? Qd7 15.Be5 Be5 16.Ne5+-) 14...f5?? (better 14...Qb6!? 15.d4 Qb2 16.ed5 ed4-+) 15.Bf5 (better 15.Kg2 fe4 16.de4+=) 15...g6?? (better 15...Qb6 16.Ke2 Qb2 17.Be6 Kh8 18.ed5 Qb6=+) 16.Be6+- Kg7 17.Bd5 Qe7? (17...Qb6 18.d4! Qb2 19.Nc4 Qd4 20.Kg3 Qd1 21.Rhd1+=) 18.Ke2 (18.Nc4!? Rf4+-) 18...Nb6 19.c4 (19.Bb3!? Bg4+-) 19...Bg4 20.Qg1 Bh5 (20...Rf4 21.Qe3 Raf8 22.Rhf1 (22.Ra7 Nd5 23.ed5 Bf3 24.Nf3 Rf3 25.Qf3 Rf3 26.Kf3 Bc5 27.Be5 Qe5 28.Rb7 Kg8-+) 22...Nd5 23.ed5+-) 21.Rf1 (21.Qe3 Nd5 22.ed5 a5+-) 21...Nd5 22.cd5 Rac8 23.d4?? (better 23.Rc1 Rc1 24.Qc1+- (24.Bc1?! Bb4 25.Rh3 b5+-)) 23...ed4?? (23...Rc2 24.Bc1 Qc7-/+) 24.Bd4 (24.Qd4!? Kf7+-) 24...Kg8 (24...Be5 25.Rh3 (worse 25.Be5 Qe5 26.Rf2 Rc3+-; 25.Ba7 Rc2 26.Be3 Qb4=+) 25...Rfe8 26.Rb1+-) 25.Qe3 (25.Bf6!? Qd7 26.Qa7 Ra8+-) 25...Rc2 26.e5 (26.Ba7 Bb4 27.Kd3 Rc3 28.Ke2 Re3 29.Ke3 Bd2 30.Nd2 Qa3 31.Kd4 Qa7 32.Kd3 Qa3 33.Kd4 Qb2 34.Kd3 Rc8-+) 26...Bb4 27.Kd3 Qc7 28.e6?? (28.Ke4 Qc8 29.e6 Bg4+-) 28...Bg4?? (28...Bf3 29.Nf3 Qc4 30.Ke4 Re2-+) 29.Qe5+- Rd2?? (29...Rf3 30.Rf3 Rd2 31.Ke3 Qe5 32.Be5 Rd5=+ (worse 32...Bf3 33.Kf3 Rd5 34.Ke4=)) 30.Nd2 Bf5 (30...Qe5 31.Rf8 Kf8 32.Be5 Bf5 33.Ne4 b6+-) 31.Rf5 Qe5 32.Re5 Bd6 33.e7 Re8 34.Rhe1 (34.Re6 Re7 35.Rd6 Rf7+-) 34...Kf7 35.Re6 Be7 36.d6 (36.Rf1 Kg8 37.d6 Bf6 38.Re8 Kf7 39.d7 h5 40.d8Q b5 41.Qe7) 36...Bd6 (36...Rb8 37.Re7 Kg8 38.Rg7 Kf8 39.d7 Rd8 40.Rf1) 37.Re8 (37.Rf6 Kg8 38.Re8 Kg7 39.Rff8 Be5 40.Be5) 37...Bg3 (37...Ba3 38.R8e2 h6 39.Rf2 Kg8 40.Re8 Bf8 41.Rff8 Kh7 42.Rf7) 38.Nc4 (38.R1e7) 38...Bh4 (38...Be5 39.R1e5 h6 40.R5e7) 39.Nd6 1-0. black_bishop_88 (2545) - chesslismab (2530), lichess.org, 2020. (=1.a3 Nf6 2.b4 d5 3.Bb2 Nbd7 4.Nf3 e6 5.e3 Bd6)

6.g4 0-0 7.g5 Ne8 8.Nc3 =+.

7.c4= a5 8.c5 Be7 9.b5 =.

7.Nbd2 b6 8.c4 c5 9.b5 Bb7 10.Bd3 cd4 11.ed4 (11.Bd4? e5 12.cd5 ed4–+) 11...Ne4 12.0-0 Nd2 13.Nd2 dc4 14.Nc4 Qg5 15.f3 Bc7 16.Qe2 Bf4 (16...Qb5? 17.Ne5 Qa4 18.Bb5+–) 17.a4 Nf6 18.a5 Qb5 19.Ne5 (19.Nb6 Qh5 20.g4-/+) 19...Qb4-/+ 20.g3 Bd2 21.Nc4 Bc3 22.Rab1 Rfd8?? (better is 22...Bb2 23.Rb2 Qc3-/+) 23.Ba1+– Bd4 24.Bd4 Qe7 25.Ba1 (25.Qe3 Nd5 26.Qe4 g6+–) 25...Qc5 (25...Ba6 26.Rfc1+/–) 26.Kg2+– Ng4 27.Rbe1 Rac8 28.h3 Nf6 (28...Rd3 29.Qd3 Ba6 30.hg4 Bc4 31.Qd7 Bf1 32.Kf1 Qc4 33.Kg1 ba5 34.Qa7+=) 29.ab6 ab6 30.Ne5 Qd6 31.Rd1 Qb8 32.Rfe1 Bd5 33.Nc4 b5 34.Ne3 Nh5 35.Nf1 b4 36.Be5 Qb6 37.Ne3 f6 38.Bb2 Bb3 39.Rd2 Rc5 40.f4 g6 41.Be4 e5 42.Rd8 Qd8 43.f5 Bf7 44.Rd1 Qe8 45.Rd2 Qa4 46.Ng4 Be8 47.Qf2 b3 48.Qc5 Qe4 49.Kh2 Qe1 50.Qf2 Qe4? 51.Rd8 Qc6 52.Qg2 (52.Qg2 Qg2 53.Kg2+–) 1–0. Hagelin,Roger Gunnar – Tosic,Tomislav, Sweden ch, 1994. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Nbd7 5.e3 Bd6 6.d4 0-0)

7.Nbd2 Qe7 8.c4 dc4 9.Nc4 Ne4 10.Nd6 cd6 11.Bd3 f5 12.0-0 d5 (12...Ndf6 13.Qc2+=) 13.Rc1+/– Ndf6 14.Ne5 Rb8 15.f3 Nd6 16.Rf2 Bd7 17.a4 a6 18.Qb3 b5 19.Nc6 Bc6 20.Rc6 Ra8 21.ab5 ab5 (worse is 21...Nb5 22.Qa4+/–) 22.Rc1 Nc4 23.Re2 (worse is 23.Bc4 dc4 24.Qd1 Nd5–+) 23...Nh5 (worse is 23...Nb2 24.Rb2 Rfb8 25.Rbc2+=) 24.Ra1 Qg5 25.Ra8 Ra8 26.Bc4 bc4 27.Qc3 Qe7 28.Bc1 Nf6 29.Rb2 Kf7 30.Bd2 Ra1 31.Kf2 Qd6 32.g3 Ke8 33.Qc2 Qa6 34.b5 Qb6 35.Qc3 Ra4 36.Qc2 Ra3 37.Bb4 Ra8 38.Bd2 Kd8 39.Kg2= Kc8 40.Qc3 Ra4 41.Qc2 Ra3 42.Bb4 Ra8 43.Bd2 Kb7 44.Qc3 Ra4 45.Qc2 Ra3 46.Qc1 Qa7 47.Qc2 Qa4 48.Qa4 Ra4+= 49.Bb4 Nd7 50.Be7 Kc7 51.f4 c3 52.Rc2 Rc4 53.Kf2 Kb6 54.Ke2= Nf6 55.Bf6 gf6 56.Kd3 Kb5 57.Rc3 Kb4 58.Rc2 Kb3 59.Rf2 Rc3 60.Ke2 Rc2 61.Kf3 Rf2 62.Kf2 Kc2 63.Kf3 Kd3 64.Kf2 Kd2 65.h3 h5 66.Kf3 Ke1 67.g4 hg4 68.hg4 fg4 69.Kg4 Kf2 70.f5 ef5 71.Kf4 Ke2 72.Kg3 Ke3 73.Kh3 f4 74.Kh4 f3 75.Kh5 Kd4 76.Kg4 f2 77.Kf5 f1Q 78.Ke6 Kc5 79.Ke7 Qf5 80.Kf7 Kd6 81.Kg8 Qg4 82.Kf7 Qg5 83.Kf8 Ke6 84.Ke8 Qg8 0–1. Alcantara de Mello,Pedro (1915) – Metello,Marcello Gomes (2230), Rio de Janeiro–ch, 1996.

7.Be2 c6 8.0-0 Re8 9.c4 e5 10.g3 (10.de5 Ne5 11.Be5 Be5 12.Ne5 Re5=) 10...e4+= 11.Nfd2 Nf8 12.Nc3 White intends b5 12...Bh3 13.Re1 Rc8 14.c5 Bb8 15.b5 Qd7 16.a4 (16.bc6 bc6 (worse is 16...Qc6 17.Bb5 Qe6 18.Be8 Re8 19.Qb3+/–) 17.Qa4 Bg4=) 16...Qf5 17.Qb3 Ng4 18.Nd1 h5 (18...Ne6 19.Rb1=) 19.Bf1 (19.Rb1 cb5 20.Qb5 Re7=) 19...Bf1+= 20.Rf1 h4 21.a5? (better is 21.Kg2+=) 21...hg3–+ 22.fg3 Qh5 23.Rf2 (23.h4 Bg3 24.Kg2 Nh2 25.Kg3 Nf1 26.Nf1 Re6–+) 23...Nf2 24.Nf2 Re6 (24...Qe2 25.bc6 Qd2 26.Kf1–+) 25.a6 (25.Qd1 Qg5 26.bc6 Rcc6–+) 25...ba6 26.Ra6 Qe2 27.Rc6 Rcc6 28.bc6 Rf6 29.Ng4 Qe1 30.Kg2 Qe2 31.Kh3?? Rf5 32.Nh6 gh6 (32...gh6 33.Qd5 Rd5 34.Nf3 Qf3 35.c7 Rh5 mate) 0–1. Costa,Jean Luc (2425) – Montoya Bello,Felix J (2185), Autonomico op, 1995. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Nbd7 5.e3 Bd6)

8.Qc2 a5 9.c5 Bc7 10.b5 (10.Bd3=) 10...cb5 (10...Qe7 11.Be2=) 11.Nc3+= e5 (11...Ne4 12.Nb5 Bb8 13.Bd3+–) 12.Nb5+– ed4 (12...e4 13.Nd2+= (worse 13.Nc7 Qc7 14.Ng5 b6=+)) 13.Bd4+= (worse 13.Nbd4 Ne4 14.c6 Ndc5 15.cb7 Bb7=; worse 13.Nc7 Qc7 14.Bd4 Ne4+=) 13...Re8?? (better 13...a4 14.Bd3 Ba5 15.Kf1 Ne4+=) 14.c6+– (14.c6 Bb6 15.cd7 Bd7 16.Bd3+–) 1–0. Benassi,Aspasio – Costa,Andrea, EP017, 2000.

8.Qc2 dc4 9.Bc4 a5 10.ba5 Qa5 11.Nc3=.

8.Nc3 a6 9.Bd3 b5 (9...dc4 10.Bc4 b5 11.Bd3=) 10.c5 Bb8 11.e4 (11.a4!? Bb7 12.0-0+=) 11...de4= 12.Ne4 Ne4 (12...Nd5 13.0-0=) 13.Be4+= Qc7 14.0-0 (14.Ne5 Bb7+=) 14...Nf6= 15.Bc2 Rd8 16.Qd3 Rd5 17.Ne5 Bb7 18.Rad1 (18.a4 Ra7+=) 18...Qe7 19.f4 g6 (19...a5!?=) 20.Qf3+/– Nd7 (20...Qc7!?+/–) 21.Be4+– Ne5 (21...Nf6 22.Bd5 Nd5+–) 22.fe5 Rd7 23.Bc6 Bc6 24.Qc6 Raa7 25.Qf3 Rd5 26.Rd3 ½–½. Chaparro Grande,F (1620) – Perez Guerra,R (1775), 1st Torneo Internacional Ciudad Galdos, 2016.

8.c5 Be7 =.

8.Nbd2 Ne4 9.Ne4 de4 10.Nd2 f5 11.Qb3 Nf6 12.f4 Qe7 13.Be2 Bd7 14.0-0 b5 15.Bc3 bc4 16.Nc4 (worse is 16.Bc4 Nd5 17.Rae1 a5 18.ba5 Rfb8+=; 16.Qc4? Nd5–+) 16...Nd5 17.Nd6 Qd6 18.Bd2 Be8 19.Rfc1 Bf7 20.Qc2 Rfc8 21.Qc5 Qc5 22.Rc5 (worse is 22.dc5 a6+=) 22...Rc7 23.Rac1 Kf8 24.b5 Rac8 25.Ba5 Nb6 (25...Ne3 26.Rc6 Rc6 27.bc6 Be8+–) 26.Rc6 (26.bc6?! Ke7+–) 26...Rc6 27.bc6 (27.Rc6?! Ke7 28.Rc8 Nc8+–) 27...Be8 28.c7 1–0. marekt – biohuman, ChessWorld.net, 2013. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 Nbd7 5.e3 Bd6 6.d4 0-0)

8.Nbd2 Qe7 9.c5 Bc7 10.Be2 Ne4 11.0-0 Nd2 12.Qd2 f6 13.Ne1 e5 14.f4 e4 15.f5 g6 16.Bg4 Rf7 17.g3 Nf8 18.Ng2 gf5 19.Bf5 Bf5 20.Rf5 Qe6 21.Raf1 Ng6 22.Qe2 Kf8 23.g4 Ke7 24.Bc3 Rg8 25.Qf2 Rgf8 26.Be1 Ke8 27.Qe2 Rg7 28.Rh5 Ne7 29.h3 f5 30.g5 Ng6 31.Rh6 Qe7 32.h4 Bb8 33.Nf4 Nf4 34.ef4 a6 35.Bg3 Bc7 36.Kf2 Rfg8 37.Ke3 Rf7 38.a4 White prepares b5 38...Qd7 39.Qh5 Kf8 40.Rb1 Bd8 41.Qe2 White plans b5 41...Bc7 42.b5 ab5 43.ab5 Ke7 44.b6 Bd8 45.Ra1 Qc8 46.Qh5 Rgg7 47.Ra5 Kf8 48.Qd1 Kg8 49.Qa1 Rf8 50.Ra8 Qd7 51.Rd6 Qe7 52.Qa7 Re8?? 53.Qb8+– 1–0. Ozturk,Ku (2295) – Sasmazel,B (1870), Konya TUR, Team Ch, 2012. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 Bd6 5.e3 Nbd7)

8.Nbd2 Re8 9.Be2 a6 10.0-0+= b5 11.c5 Bc7 12.Qc2 (12.a4 Bb7+=) 12...Bb7 (12...e5 13.de5 Ne5 14.a4+=) 13.Bd3 h6 14.a4 Qe7 15.h3 e5 16.de5 Ne5 17.Ne5 Be5 18.Be5 Qe5 19.Nf3 Qh5 20.Rfd1 Rad8 21.ab5 ab5 22.Ra7 Rd7? (better 22...Rb8+–) 23.Bf5+– Rde7 24.Kh2 g6?? (24...Re4 25.Nd4 Rd4 26.Rd4 Bc8+–) 25.g4 (25.g4 Bc8 26.gh5 Ra7 27.hg6+–) 1–0. Pereira – Sterm, internet, 2020.

8.Nbd2 h6 9.Bd3+= dc4 (9...b6 10.0-0+=) 10.Bc4 (10.Nc4!? Bc7 11.0-0+/-) 10...Qe7 (10...b5 11.Bd3=) 11.0-0+= e5 (11...b5!? 12.Be2 Bb7+=) 12.Nh4+/- Nb6? (better 12...Rd8 13.Nf5 Qf8+=) 13.Ng6+- Qe8 14.de5 Nc4 (14...Nfd5 15.ed6 fg6 16.Ba2+-) 15.Nc4 fg6 (15...Ne4 16.Nf8 Bf8+-) 16.Nd6 (16.ed6?! Qe6 17.Qc2 b6+-) 16...Qe6 (16...Qe7 17.ef6 gf6 18.Qd3+-) 17.ef6 Rd8 (17...gf6 18.Qd3 Kh7 19.Rfd1+-) 18.f7 Kf8 19.Qd4 Qf6 (19...Qf7 20.Nf7 Rd4 21.ed4 Kf7 22.d5+-) 20.Qc5 Qd6 21.Rad1 Qc5 22.Rd8 (22.bc5?! Be6=) 22...Kf7 23.bc5 Ke7 (23...b6 24.Rd6+-) 24.Rg8 b5 (24...b6 25.Rg7 Kf8+-) 25.Rd1 a5 26.Rg7 Ke6 (26...Ke8 27.Rg8 Ke7 28.Rd6 Bb7 29.Rg7 Ke8 30.Rb7 Rd8 31.Bf6 Rd6 32.cd6 h5 33.Rg7 Kf8 34.d7 c5 35.d8Q) 27.e4 (27.e4 Bd7 28.Rd6) 1-0. Jan_Ek (2125) - FionaSgr (2005), internet, 2020.

8.Be2 dc4 9.Bc4 a5 10.b5 =+.

8.Be2 Qe7 9.0-0 (9.c5 Bc7=) 9...e5 (9...dc4 10.Ne5=) 10.de5 Ne5 11.Nbd2 (11.Be5 Be5 12.Ne5 Qe5=) 11...Re8 (11...Nf3 12.Nf3 dc4 13.Bc4=) 12.Re1 (12.Be5 Be5 13.Ne5 Qe5=) 12...Bg4 (12...Nc4 13.Nc4 dc4 14.Bc4=) 13.Ne5 (13.c5 Bc7=) 13...Be2= (13...Be5? 14.Be5 (14.Bg4 Bb2 15.Ra2 Be5=+) 14...Be2 15.Bf6 (15.Re2?! Qe5 16.c5 Qc3=) 15...Qf6 16.Qe2 dc4 17.Nc4+–) 14.Nc6 Bh2 15.Kh1 (15.Kh2 Qc7) 15...bc6 16.Qe2 Bc7 17.g3 (17.cd5 cd5 18.Kg1 a5=) 17...Rad8 (17...a5 18.Qf3 Ne4 19.Ne4 de4 20.Qg4-/+) 18.Qf3 Ne4 19.Rad1 Rd6 (19...a5 20.cd5 cd5 21.b5=+) 20.cd5= cd5 21.Kg2 Qe6 (21...a5 22.Rh1=) 22.Rh1 Rc6 23.Ne4 (23.Bd4 Ra6=) 23...de4 24.Qh5 h6 25.Rd2 (25.Rh4 Re7=) 25...Bd8 (25...a6 26.Qd5=) 26.Qd5 Bb6 (26...Bc7 27.Qe6 Ree6 28.Bd4=) 27.Qe6+= Ree6 28.Rh5 (28.Rhd1 Kh7=) 28...g5 (28...Red6 29.Rd6 Rd6 30.Re5=) 29.Rh1 (29.g4 Red6 30.Rd6 Rd6=) 29...Rc4 (29...Red6 30.Rd6 Rd6 31.Be5=) 30.Rhd1 (30.g4 Kh7+=) 30...Kf8 (30...f5 31.Rd7+=) 31.Bd4 (31.g4 Rec6+=) 31...Bd4= 32.Rd4 Rc3 (32...Rd4 33.Rd4 g4 34.Kf1=) 33.a4+= a6 (33...g4 34.b5+=) 34.R1d2 (34.g4 Ra3 35.a5 Rc3+=) 34...Ra3= 35.a5 Rb3 36.Rc2 Kg7 37.g4 Kg6 38.Kg3 (38.Rdc4 h5=) 38...h5 39.gh5 Kh5 40.Rc5 Kg6 41.Rdd5 f6 (41...Rb4 42.Rg5 Kf6 43.Rcf5 Ke7 44.Rh5=) 42.b5+= ab5 ½–½. Autengruber,Robert (2165) – Haas,Josef (2035), RLSO_Vogtar–Freyung, 2002.

7.0-0 a5 8.ba5 e5 9.d4 =.

7.0-0 b6 8.d3 c5 9.b5 Bb7 10.c4 Qc7 11.Nbd2 Rfe8 (11...a6 12.ba6 Ra6 13.Qc2+=) 12.h3 (12.Qc2 h6+=) 12...Rad8 (12...a6+=) 13.Nb3? (13.Qc2 h6=) 13...e5 (13...dc4 14.dc4 Ne5 15.Ne5 Be5 16.Qc1-/+) 14.a4 (14.cd5 Nd5 15.Nbd2 N7f6=) 14...Nf8 (14...dc4 15.dc4 e4 16.Nh4-/+) 15.a5 (15.cd5 Bd5 16.e4 Be6=) 15...Ng6 (15...e4 16.Bf6 gf6 17.Nfd2-/+) 16.a6 (16.cd5 Bd5 17.Nbd2 e4 18.de4 Ne4 19.Ne4 Be4+=) 16...Bc8 (16...Ba8 17.Nfd2+=) 17.Qc2 (17.cd5 Nd5 18.Nbd2 Nb4=) 17...Be7 (17...e4 18.Bf6 gf6 19.Nfd2 ed3 20.Bd3=) 18.Rad1 (18.Nbd2 Be6=) 18...d4+= 19.e4 (19.Rfe1 Bf5+=) 19...Nh5 (better is 19...Nf4!?-/+) 20.Nfd4= Nhf4 21.Nc6 Bd6 (21...Rd6 22.Bg4+=) 22.Nd8 (22.Bg4!? Nh4 23.Nd8 Qd8 24.Bc1 Nhg2 25.f3 Bg4 26.hg4= (worse is 26.fg4 Qh4-/+)) 22...Qd8= 23.Bg4 Qg5? (better is 23...Nh4!? 24.f3 Nhg2=) 24.f3+/– h5 25.Bc8 Rc8 26.Kh2 h4 27.Qf2 Nh5 28.Bc1 Qd8 29.Be3 Be7 30.Rd2 (30.Qd2 Ngf4+/–) 30...Rc7 31.Nc1 Rd7 32.Rfd1 Bg5 33.Bg5 Qg5 34.Ne2 Rd6 35.g3?? (better is 35.Nc3+/–) 35...hg3+= 36.Ng3 Qf4 37.Rg1= Nh4 38.Kh1 Ng3 39.Rg3 Rf6?? 40.Rg4+– Qf3 41.Qf3 Nf3 42.Rf2 Kh7 43.Rg3 Nh4 44.Rf6 gf6 45.Kg1 Ng6 46.Kf2 Nf4 47.Ke3 Nh5 48.Rg4 Ng7 49.h4 Ne6 50.Rg3 Nd4 51.h5 f5 52.Kf2 fe4 53.de4 Ne6 54.Ke3 Nf4 55.Rg5 f6 56.Rf5 Ng2 57.Kf2 (57.Kf2 Nf4 58.Rf6 Nd3 59.Kg3+–) 1–0. De Souza,Kim Garcia (1685) – Gamarra,Ramon (1950), Maringa BRA, 4th Open, 2014.

7.0-0 b6 8.d4 Ne4 9.Nbd2 f5 10.c4 Bb7 11.c5 Be7 (worse is 11...bc5 12.dc5 Ndc5 13.bc5 Nc5 14.Rb1+–) 12.Rc1 c6 13.cb6 ab6 14.Ne5 Rc8 (14...Ne5 15.de5 c5 16.Ne4 fe4 17.b5+=) 15.Nd7 Qd7 16.Nf3 Rf6 (16...c5 17.Ne5 Qd6 18.dc5 bc5 19.f3=) 17.Ne5+= Qd8 18.Bf3 Bd6 19.Be4 fe4 20.f4 ef3 21.Rf3 Be5 22.de5 Rh6 (22...Rf3!? 23.Qf3 c5+=) 23.Qd4 Rh4 24.Rf4 Rf4 25.ef4 (worse is 25.Qf4 c5+=) 25...Qc7 26.h3 (better is 26.Qf2!?+=) 26...c5= 27.Qf2 c4 28.Bd4 b5 29.Rc3 Rf8 30.g4 g6 31.h4 (31.Bc5 Rf7=) 31...Bc8 (31...Qf7 32.Rf3=) 32.g5 (32.Bc5 Rf7=) 32...Rf5 33.Qh2 Qf7 34.Rf3 Bd7 35.Kf2 Be8 36.Ke2 Qc7 37.Kd2 Kg7 38.Kc2 Rf8 39.Bc5 Rf7 40.h5 gh5 (40...Rf5 41.hg6 Bg6 42.Kd2=) 41.Qh5+= Rf8?? (better is 41...Kh8+=) 42.Qh6 Kg8 43.Qe6 (43.Qf8) 43...Bf7 (43...Qf7 44.Qd6 Qg6 45.Kc3 d4 46.Qd4+– (46.Bd4 Qe4 47.Re3 Qb1 48.Qd5 Bf7+=; 46.Kd4?? Rf4 47.Ke3 Qe4 48.Kd2 Qf3 49.Qe6 Kg7 50.Qe7 Rf7 51.Qf6 Rf6 52.ef6 Kh8–+)) 44.Qh6 (44.Qa6!? Bg6 45.Kc1 Rb8 46.Qe6 Qf7 47.Qf7 Kf7+–) 44...Ra8? (better is 44...Bg6 45.Kc1 Rf5+/–) 45.e6+– (45.e6 Bg6 46.Kd1+/–) 1–0. Menouar,Elhadi (1660) – Chaib,Billel, 11th Memorial International Kheireddinn, 2012.

7.0-0 c5 8.c3 c4=+ 9.d4 Ne4 10.Nbd2 Ndf6 11.Ne4 Ne4 12.Qc2 Bd7 13.Bc4= dc4 14.Qe4+= Bc6 15.Qh4 Qh4 16.Nh4 f5 17.f4 Be7 18.Nf3+= Kh8 19.Ne5+/– Bd5 20.h3 b5 21.a4+/– a6 22.Nd7 Rg8 23.ab5 ab5 24.Nb6 Ra1 25.Ra1 Bc6 26.Ra7 Bd6 27.Nd7 h6 28.Ne5 Be5+= 29.fe5 g5 30.Rc7 Ba8 31.Ra7 h5 32.g3 Be4 33.Kf2 h4 34.Bc1 g4=+ 35.gh4?? g3 36.Kg1=+ g2 37.Bd2 Rg3 38.Ra1 Rh3 39.Rc1 Rh4 40.Kf2 Rh1 41.Rg1 Kg7 42.Re1 Kg6 43.Rg1 Kg5 44.Rg2 Bg2 45.Kg2 Rd1 (45...Rd1 46.Be1 Re1–+) 0–1. 73DADDELDU37 – MaxPayne, mySchach.de, 2005.

7.0-0 c5 8.bc5 Nc5 9.c4 a6 10.d4 Nce4 11.c5 Bc7 12.Nbd2 Rb8 13.Rc1 Ba5 14.Ne4 Ne4 15.Qc2 Bd7 16.Ne5 Bc7 17.Bd3 Be5 18.de5 Bc6? 19.f3+– Ng5 20.h4 Nf3 21.Rf3 Qh4?? 22.Rh3 (22.Rh3 Qh3 23.gh3+–) 1–0. Schirmer,Michael (2155) – Lehmann,David (1610), DESC, 2001.

7.0-0 c5 8.d3 cb4=+ 9.ab4 Bb4 10.c3 Bd6 11.Nbd2 e5 12.c4 d4 (better 12...e4!? 13.Nd4 ed3 14.Bd3 Ne5-/+) 13.ed4= ed4 14.Bd4 Re8 15.Bc3 Nc5 16.Rb1 (16.Bf6 Qf6 17.d4 Ne6=) 16...b6 17.d4 (17.Bf6 Qf6 (worse 17...gf6 18.d4+/-) 18.d4 Ne6=) 17...Nce4=+ 18.Ba1 Bb7 19.Bd3 Nd2 20.Qd2 (20.Nd2 Qc7 21.h3=) 20...Ng4 (20...Bf3 21.gf3 Nh5 22.Rfe1-+) 21.Ne5?? (better 21.d5+=) 21...Ne5 22.de5 Be5 23.Be5 Re5 24.f4 Re6 25.Rbd1 Qh4 26.f5 Rh6 27.h3 Qg3?? (better 27...Rd6-/+) 28.Qf2?? (better 28.Be4! Rd6 29.Qd6 Qd6 30.Rd6 Be4 31.g4+/-) 28...Qe5 (better 28...Rh3 29.Qg3 Rg3-+) 29.Rde1 Qd6 30.Bb1 Rd8 31.h4 (31.Re2 Bc6-/+) 31...Qc6 (31...Qc7 32.Qe3 Bc6 33.Rf4-/+) 32.Be4-/+ Qc7 33.Bb7 (33.Bb7 Qb7 34.Re5-/+). its_just_a_game (1765) - bjagus (1650), lichess.org, 2016. (=1.a3 e6 2.b4 d5 3.Bb2 Nf6 4.Nf3 Nbd7 5.e3 Bd6)

7.0-0 c6 8.Nc3 Qe7 9.d3 e5 10.h3 h6 11.Na4 e4 12.de4= Ne4 13.Bd3 f5 14.Be4 fe4-/+ 15.Nh2 Ne5 16.Qd4? Qg5 17.Kh1 Qh5?? 18.f4=+ Re8?? 19.fe5+/– Be5 20.Qd2 Bb2 21.Nb2+– g5 22.c4 g4 23.hg4 Bg4 24.cd5 cd5 25.Kg1 Be6 26.Na4 Re7 27.Nc5 b6 28.Nb3 Rg7 29.Rf4 Kh7 30.Nd4?? Bh3+= 31.Rf2 Rag8= 32.Kf1?? Rg2?? 33.Rg2=+ Rg2 34.Qg2 Bg2 35.Kg2 Qg5 36.Kf2 Qh4 37.Kg2 Qg5 38.Kf2= Qh4 (38...h5 39.b5=+) ½–½. khani9 – Bull_Dog_Baz, ChessWorld.net, 2007.

7.0-0 c6 8.c4 b6 9.cd5 cd5 10.Nc3 Bb7 11.Nb5 Bb8 12.Rc1 a6 13.Nbd4 b5 14.Nc6 Bc6 15.Rc6 Nb6 16.Bd4 Nc4 17.d3 Nd6 (17...Na3? 18.Bf6 Qf6 19.Qa1+–) 18.Qd2 Nde4? (better is 18...Nf5+=) 19.de4+– Ne4 (19...de4 20.Bb6 Qd2 21.Nd2+–) 20.Qc2 Ba7 (20...Bd6 21.Bd3 f5 22.Rc1+–) 21.Ba7 Ra7 22.Bd3 Nd6 (22...Nf6 23.a4+–) 23.Bh7 Kh8 24.Qc5 Rd7 (24...Qa8 25.Bd3 Nc4 26.Bc4 bc4 27.e4+–) 25.Ne5 Ne4 (25...Nb7 26.Qc2 Re7+–) 26.Be4 de4 (26...Rb7 27.Bd3+–) 27.Nd7 Qd7 28.Qf8 Kh7 29.Qd6 (29.Qd6 Qd6 30.Rd6+–) 1–0. Fournier,Frederic (2280) – henri1 (1730), Active, 2007.

7.0-0 c6 8.d3 a5 =+.

7.0-0 e5 8.c4 e4 9.Nd4 dc4 10.Nb5 Ne5 11.Qc2 Be6 12.N1c3 Nd3 13.Nd4 Bd7 (13...Nb2?! 14.Ne6 fe6 15.Qb2+=) 14.f3 ef3 15.gf3 Bh3 16.Bd3 cd3 17.Qd3 Nh5 18.f4 Qh4 (better is 18...Bf1!? 19.Rf1 a5–+) 19.Rf2+= Rad8 20.Qe2 ½–½. Szymanski,Leszek (1735) – Plonczak,Mateusz (1960), III Wielkopolska Liga Seniorow Poland, 2013.

7.0-0 e5 8.d3 c6 9.Nbd2 Re8 10.c4 e4 11.Nd4 Ne5 (11...ed3 12.Bd3 Ne5 13.Be2=) 12.de4+= de4 13.Qc2 Ng6 14.Rfd1 Qe7 15.Nf1 Ng4 (15...Be5 16.Ng3=) 16.Ng3 (16.h3 Nf6+=) 16...Nh6 (16...Bg3!? 17.hg3 N6e5=) 17.c5 Bc7 (17...Bg3 18.hg3 (worse is 18.fg3 Qg5=) 18...Ng4 19.Nb3+=) 18.Rd2 f5 (18...Bd7 19.Rad1 Rad8 20.b5+/–) 19.Qb3 White plans b5 19...Kh8 20.Nh5 (20.Rad1 Ne5+/–) 20...Be5 21.b5 Bd7 22.h4 (better is 22.Rad1!?+/–) 22...f4 23.g3 fe3 (23...fg3 24.fg3 cb5 25.a4=) 24.fe3 (24.Qe3 Nf5 25.Nf5 Bf5=) 24...cb5= 25.Nb5 (25.Qd5 Rab8 26.Bb5 Bb5 27.Nb5 Nf5=) 25...Bb5+= 26.Qb5 Nf5 27.Nf4?? (27.Rd7 a6 A) 28.Qb7? Qc5 29.Be5 Qe5–+ (worse is 29...Ne5 30.Rg7 Qe3 31.Kh1+/–); B) 28.Re7 ab5 29.Re8 Re8 30.Bb5=) 27...Bb2 28.Rb2 Ne3 (better is 28...Nf4!? 29.ef4 Ng3–+) 29.Nh5 Nf5 30.Qb7? (30.Rf1 Nd4 31.Qc4 Nf3 32.Bf3 ef3–+) 30...Qc5 (30...Qe5 31.Rab1 Ng3 32.Qg7 Qg7 33.Ng7 Kg7 34.Bb5–+) 31.Kh1? (better is 31.Kg2 Rad8 32.Rd1 Rd1 33.Bd1 Ne3 34.Kh2–+) 31...Qe5 32.Rab1 Nd6 33.Qa6 e3 34.Bf3 Rac8–+ 35.Qa7 Re7 36.Qa6 Rf8–+ 37.Rb8 Rb8 38.Rb8 Ne8 39.Rb1 e2–+ 40.Re1?? Qc3 (40...Qc3 41.Be2 Qe1 42.Bf1 Qf2–+) 0–1. Mamuzic,Mirko (2245) – Mijatovic,Dejan (2270), Druga Liga – Vojvodina, 2012.

7.0-0 e5 8.d4 e4+= 9.Nfd2 Re8 (9...Nb6 10.c4 Nc4 11.Nc4 dc4 12.Nc3-/+ (12.Bc4?? Bh2 13.Kh2 Ng4 14.Kg1 Qh4 15.Qg4 Qg4–+)) 10.c4= c6 (10...dc4 11.Nc4 Nb6 12.Nbd2=) 11.Nc3 Nf8 12.Rc1 (12.Qb3 Be6+=) 12...Ng6 13.cd5 cd5 14.Nb5 Be6 15.Nb3 Bb8 16.Nc5 (16.Qc2 Bg4=) 16...Bc8= 17.Qd2 (17.Nc3 b6 18.Na6 Bd6=) 17...Qe7 (17...Nh4 18.Qd1=) 18.Rc2 (18.g3 a6 19.Nc3 b6+=) 18...Bg4 (18...Nh4 19.Rfc1 a6-/+) 19.f3 (better is 19.g3+=) 19...ef3-/+ 20.Bf3 b6 (20...Nh4!? 21.Be2 Nf5-/+ (worse is 21...Qe3 22.Qe3 Re3 23.Bg4 Ng4 24.h3+=)) 21.Na6= Bf3 (worse is 21...Qe3 22.Qe3 Re3 23.Bg4 (23.Nb8?! Rb8 24.Bc1 Ree8=) 23...Bh2 24.Kh2 Ng4 25.Kh1+–) 22.Rf3 Rd8 23.Nb8 (23.Rh3 Bd6=) 23...Rab8+= 24.Rc7 Rd7 25.Rc6 Re8 26.Bc1 Nh4 27.Rh3 Nf5 The backward pawn on e3 becomes a target 28.Qf2 g6-/+ 29.Qf4 Ne4 30.g4? Ng5–+ 31.Rh5 gh5 32.Qf5 Ne4 33.Rh6?? f6–+ 34.Qh5 Rc8 (34...Rc8 35.Qf5 Rc1 36.Kg2 a6–+) 0–1. Beljushina,Sonja – Motygin,Alexander, Anapa RUS Open, 2012.

7.0-0 Re8 8.c4 c6 9.d4 a5 10.c5 Bc7 11.b5 e5 12.de5 Ne5 13.b6 Bb8 14.Nbd2 Qe7 15.Qc2 Neg4 16.Bd4 Nh6 17.Bd3 Ne4 18.Ra2 Ng4 19.h3 Ne5 20.Be4 (worse is 20.Ne4 A) worse is 20...Nd3 A1) 21.Qd3?? de4 (21...Qe4?! 22.Qe2+=) 22.Qe2 ef3 23.Qf3 Qg5–+; A2) 21.Nd6 Bd6 22.cd6+/– (22.Qd3 Bc5 23.Bc5 Qc5-/+); B) 20...Nf3 21.gf3 de4 22.fe4 Bh3+=) 20...Nf3?? (better is 20...de4 21.Ne5 Be5 22.Qe4 Bd4 23.Qe7 Re7 24.ed4 Be6+=) 21.Bf3+– (21.gf3 de4 22.fe4 Qh4–+; 21.Nf3?! Qe4 22.Qe4 Re4+=) 21...Qg5 22.Re1 (22.e4!? Bf4 23.ed5 cd5+–) 22...Bh3 23.Kf1 Bf5 24.e4 Bg6?! (24...Qh4 25.g3 Bh3 26.Bg2+–) 25.Qc3 Qh4 (25...Bf4 26.ed5 cd5 27.Re8 (27.Bg7?! Re1 28.Ke1 Re8 29.Kd1 Qh4+–) 27...Re8 28.c6 (28.Bg7?! Bf5 29.Bh8 f6 30.Bf6 Qf6 31.Bd5 Kg7 32.Qf6 Kf6+–) 28...bc6 29.g3+– (29.Bg7? d4 30.Qc1 Kg7–+)) 26.Bg7 de4 27.g3 Qh3 28.Bg2 Qg4 29.Bh8 Bf5 (29...f6 30.Bf6 e3 31.Nc4 ef2 32.Re8 Be8 33.Nd6 Bd6 34.cd6+–) 30.Nc4 (30.Nc4 Be6 31.Be4 Bc4 32.Qc4 Kh8 33.Qf7 Qh3 34.Bg2 Re1 35.Ke1+–) 1–0. Macedo,A Soares De (1860) – Lopes,R Lage (2045), Championship Potiguar Absoluto de Xadre, 2012.

7.0-0 Re8 8.d4 b6 9.c4 c5 10.bc5 Bc5?? (10...bc5 11.cd5 Qb6 12.de6 Qb2 13.ed7 Bd7 14.Nbd2+/–) 11.Nbd2?? (11.dc5 Nc5 12.cd5 Nd5+–) 11...Rb8?? (11...Bd6 12.Qb3=) 12.Qc2?? (12.dc5 bc5 13.Rb1 Qc7+–) 12...e5?? (better is 12...Bd6=) 13.dc5+– Nc5 14.Rfb1 Nfe4 15.Ne4 Ne4 16.Nd2 Nd2 17.Qd2 dc4 18.Bc4 e4 19.Qc3+– (19.Qc3 Qg5 20.Bf7 Kf7 21.Qc7 Bd7 22.Rd1+–) 1–0. Fournier,Frederic (2015) – aguirre63 (1800), Active, 2004.

7.0-0 h6 8.d3 b6 9.Nbd2 c5 10.b5 a6 11.a4 a5 12.c4= Bb7 13.cd5 Nd5 14.Qc2 Nb4 15.Qb3 Ne5?? 16.Rac1 Qe7?? 17.Ba1 Rad8?? 18.Qb2 f6=+ 19.Ne5 Be5 20.d4? cd4–+ 21.ed4 Bd4 22.Qb3?? Ba1 23.Ra1 Bd5 24.Nc4-/+ Qc5 25.Rac1 Rc8 26.Qc3? Rfd8 27.Rfd1? Na2–+ 28.Qd4 Nc1 29.Qc5 Rc5 30.Rc1 Bc4 31.Rc4 Rc4 32.Bc4 Rd1 33.Bf1 Ra1 34.g3 Ra4 35.Kg2 Ra1 36.Be2 a4 37.Bc4 a3 38.Be6 Kf8 39.Kf3 Rc1 40.Ba2 Rc2 41.Bb3 a2 42.Bc2 a1Q 43.Be4 (43.Be4 Qh1 44.Ke3 Qh2 45.Bc6–+; 43.Bd3 Qh1 44.Ke3 Qh2–+). Onkel_Luis – capatampa, ICC, 2003.

7.d4 c6 8.Nbd2 Re8 9.Ne5 Ne4 10.Ne4 de4 11.c4 (11.0-0=) 11...f6 (better is 11...Qg5!? 12.0-0 Ne5 13.de5 Be5 14.Be5 Qe5+=) 12.Nd7+= Bd7 13.c5 Bc7 14.Bc4 Kh8 15.Qc2 f5 16.h4 (16.0-0 Qh4 17.g3 Qh6+=) 16...a5 17.Rd1 Qe7 18.g4 ab4 (worse is 18...fg4 19.Qe4 e5 20.Bd3+=) 19.ab4 Rad8 (worse is 19...fg4 20.Qe4 e5 21.Bd3+/–) 20.g5 e5 21.d5 (21.Qb3 f4=) 21...cd5+= 22.Bd5 Bc6 23.Bc6 Rd1 24.Kd1 Rd8 25.Kc1 (25.Ke2 bc6 26.Rd1 Rb8+=) 25...bc6-/+ 26.Rd1 Ra8 (26...Rb8 27.Bc3-/+) 27.Qc4 (27.Qd2 Qe6 28.Qd7 Qc4 29.Kb1 Qb3=) 27...Qe8+= 28.Kc2 g6 29.Rd2 Kg7 30.Kd1 h6 31.Bc3 hg5 32.hg5 Bd8 33.Be5?? (better is 33.b5+=) 33...Qe5–+ 34.Rd7 Be7 35.Qd4 Qd4 36.Rd4 (36.ed4 Kf7–+) 36...Rd8 37.Rd8 Bd8 38.Ke2 Bg5 39.f3 ef3 40.Kf3 Kf6 41.e4 Bd2 42.ef5 gf5 43.b5 cb5 0–1. Steinerstauch,Bernd – Memmel,Guenther (1785), Schweinfurt GER, 2013.

7.h3 c5 8.bc5 Bc5 9.0-0 Re8 10.d4 Bd6 11.Nbd2 Qc7 12.c4 b6 13.Rc1 Qb7 14.cd5 Qd5 15.Ne5 Rb8 16.Bf3+/– Qb5 17.Ndc4 Be5 18.de5+– Nd5 19.Qc2 Rd8+/– 20.Be4 h6 21.Bh7 Kf8 22.Nd6 Qa6 23.Bg6! f6 24.Nf7 Re8 25.Nd6 Rd8 26.Nf7 Re8 27.Nh6! gh6 28.Be8 Ke8 29.Qg6 Kd8 30.Qg8 Ke7 31.ef6 Kd6 32.e4 N5f6 33.Rfd1 (33.Rfd1 Nd5 34.ed5 Qf1 35.Rf1+–) 1–0. Nguyen Tran Quang,Minh – Huynh Lam Binh,Nguyen, VIE–chT, 2003.

7.c4 dc4 8.g5 Nd5 9.Bc4 =+.

7.c4 c6 8.c5 Bc7=+ 9.g5 Ng8 10.Bh3 Qe7 11.Rg1 Nc5!-/+ 12.Bc8 Nd3–+ 13.Kf1 Nb2 14.Qc2 Rc8 15.Qb2 Qe6 16.d3 Ne7 17.Nbd2 0-0 18.e4 Ng6 19.Rg3 Rfe8 20.Kg1 Nf4 21.Nf1 Nd3 22.Qc2 de4 23.Ne1 Rcd8 24.Nd3 ed3 25.Rd3 Rd3 26.Qd3 e4 27.Qe2 Qe5 28.Rc1 Qg5 (28...Qg5 29.Kh1 Qc1–+) 0–1. Mair,Bob – Boehmer,Kris, Canada op Edmonton, 2000.

7.c4 c6 8.c5 Bc7. na9 (2590) – Xpander (2525), ICC, 2002.

7.c4 c6 8.g5 Ne4 =.

7.g5 Ng8 =.

6.Ne5+= Ne5 7.Be5 c6 8.c4 Bg4 9.Be2 Be6 10.c5 Rc8 11.0-0 Be7 12.d4 0-0 13.Nd2 Nd7 14.Bg3 b6? (14...Bf5 15.Qa4 a6 16.Rfe1+/–) 15.Bg4 (better is 15.Ba6!?+–) 15...bc5 16.bc5 f5 17.Be2 Nf6 (17...Qa5 18.Qc2+–) 18.Qa4 Qd7 19.Be5 (19.Rfb1 f4 20.Bf4 Bf5+–) 19...Ne4 20.Qa5 (20.Ne4!? fe4 21.Ba6+–) 20...Bd8+/– 21.Qb4 a5 22.Qb2 Bc7 23.Bc7 Rc7 24.f3 Rb7 25.Qc2 Ng5 26.Rfb1 Rfb8 27.Bd3 Rb1 28.Rb1 Rb1 29.Qb1 Qc8 30.Kf2 g6 31.Qb6 Qa8 32.Ba6 Bc8?? (32...Bd7 33.Nb3 f4 34.ef4+–) 33.Bc8 (better is 33.Qd8 Kg7 34.Qc7 (34.Qg5?! Ba6 35.Qe7 Kh6+–) 34...Bd7 35.Qd7 Nf7 36.Bb7+–) 33...Qc8 34.Qa5 Kg7 35.Qb6 Kf6 (35...Qa8 36.f4 Nf7 37.Nf3+–) 36.a4 Ne6 37.a5 Nd8 (37...f4 38.e4 Qd7+–) 38.a6 Qa8 (38...Ke7+–) 39.a7 g5 40.Qb8 (40.Qb8 Qa7 41.Qa7+–) 1–0. tyop (1800) – diemag, kurnik, 2013.

6.Ne5+= Ne5 7.Be5 Bd6 8.Bd6 Qd6 9.Be2 Qe5 (9...0-0 10.d4+/–) 10.d4 Qd6 11.0-0 Ne4 (11...0-0 12.Nd2+/–) 12.c4 Qh6 (Better is 12...dc4!? 13.Bc4 Be6+/–) 13.cd5+– Qg6 14.Qc2 Bh3 15.Bb5 c6 16.f3 0-0 17.dc6 Rac8 18.fe4 Rfe8 19.Nc3 bc6 20.Bd3 Re6 21.e5 Qg5 22.Rf4 1–0. b4_player (2240) – albertto_nba, GameColony.com, 2003.

6.Bb5 a5 7.ba5 0-0 8.0-0 =+.

6.Bb5 a5 7.ba5 Ra5 8.Be2 =+.

6.Bb5 a6 7.Ba4 0-0 8.Bb3 c5 9.c3 (9.bc5 Nc5 10.Bd4 Bd6=+) 9...c4 10.Bc2 b5 11.d3 cd3 12.Qd3 Bb7 13.Nbd2 Nb6 14.Ng5 g6 15.h4 Nc4 16.Bc1 Ne5 17.Qe2 Qc7 18.f4? (18.Bb2 Rfc8-/+) 18...Neg4 (18...Qc3!? 19.Ra2 Nc4 20.Rh3-+) 19.Bb2 d4 20.ed4 (20.cd4 Qc2 Pinning (20...Qc2 Deflection); 20.ed4 Qf4 Deflection) 20...Qf4 21.Rf1?? (better 21.Rh3=+) 21...Qg3-+ 22.Kd1 Ne3 23.Kc1 Nf1 24.Nf1 Qg2 25.Qd3 (25.Qg2 Bg2 26.Ne3-+) 25...h6 26.Nh3 (26.Ne6 Be4 27.Nf4 Qf2-+) 26...Be4 27.Qd1 (27.Nf4 Qf2 28.Nh3 Bd3 29.Nf2 Bf1-+) 27...Qh3 28.Be4 Ne4 29.Nd2 Qe3 30.Kc2 Bh4 31.Qe1 (31.Ne4 Qe4 32.Qd3 Qg2 33.Kb1 Bg5-+) 31...Qd2 (better 31...Be1 32.Ne4 Qe4 33.Kb3 Rac8-+) 32.Qd2 Nd2 33.Kd2 e5! 34.d5 (34.de5 Rae8 Decoy) 34...f5 (34...Rfd8 35.Ke2-+) 35.Ke2 e4 36.Rd1 (36.Rg1 Bg5 37.a4 f4-+) 36...f4 37.d6 (37.Bc1 Rae8 38.Be3 fe3-+) 37...Bg5 (better 37...f3 38.Ke3 Bg5 39.Ke4 Rae8 40.Kd5-+) 38.Rd4 (38.Kf2-+) 38...f3 39.Kf2 Rad8 (39...e3 40.Kg1 f2 41.Kf1 e2 42.Kg2 f1Q 43.Kg3 e1Q 44.Kh2 Qef2) 40.c4 e3 41.Ke1 f2 42.Ke2 (42.Kd1 f1Q 43.Kc2 Rf2 44.Kc3 Qe2 45.Rf4 Bf6 46.Rf6 Qc4) 42...bc4 (42...f1Q) 43.Rd1 (43.Rf4 Rf4 44.Bc3 f1Q 45.Ke3 Qd3) 43...Rd6! 44.Bd4 (44.Rd6 f1Q Mate attack) 44...Rd4! 45.Rd4 (45.Rd4 f1Q Mate attack) 45…f1Q 0-1. alessandrocarvalhaes (1845) - gaviyy (1830), lichess.org, 2019.

6.Bb5 c6 7.Ba4 0-0 8.0-0 Qc7 9.c3 e5-/+ 10.d3 Re8 11.Nbd2 Nf8 12.Rc1 Ng6 13.h3 Bf5 14.Nb1 e4 15.Nd4=+ Be6 16.Ne6= fe6 17.Nd2 ed3-/+ 18.Nf3 e5 19.c4-/+ dc4 20.Rc4 e4 21.Nd4 Nd5 22.Bb3 Kh8?? 23.Ne6+– Qd7 24.Ng7 Rec8 25.Re4 Bf6 26.Bf6 Nf6 27.Ne6 Ne4?! 28.Qa1 (28.Qa1 Kg8 29.Nc5 Qd5 30.Bd5 cd5 31.Qd4 (< 31.Nb7 Rc4+–) 31...Nc5 32.Qd5 (< 32.bc5 Ne7+–) 32...Kf8 33.bc5+–) 1–0. mic (2160) – rhand (2320), net–chess.com, 2007.

6.Bb5 c6 7.Ba4 a5 8.b5 Nc5 9.Bf6 Bf6 10.c3 =+.

6.Bb5 c6 7.Bd3 0-0 8.0-0 b6 9.c4 dc4 10.Bc4 b5 11.Be2 Bb7 (11...a5 12.Qc2=). Fabbri (1715) – dusterstar, internet, 2006.

6.Bb5 c6 7.Be2 0-0 =+.

6.c4 0-0 7.Nc3 =+.

6.c4 a5 7.b5 =.

6.c4 a6 7.Nc3 dc4 8.Bc4 b5 9.Be2 c5 10.bc5 Nc5 11.d4 Nce4 12.Ne4 Ne4 13.0-0 0-0 14.Qc2 (14.a4 b4=) 14...Bb7+= 15.Ne5 (15.a4 Rc8 16.Qb3 b4+=) 15...Rc8 16.Qd3 Bd6 (better is 16...f6 17.Bf3 Qd5+=) 17.Bf3? (better is 17.f3 Nd2 18.Qd2 Be5 19.a4 ba4 20.Ba3=) 17...Be5–+ 18.Be4? (better is 18.Rad1 Bd6 19.Be4 Bh2 20.Kh2 Qh4 21.Kg1 Be4 22.Qe2–+) 18...Bh2! 19.Kh2 Qh4 20.Kg1 Be4 (20...Qe4?! 21.Qe4 Be4 22.f3-/+) 21.Qb3 Qg5 (better is 21...Rc2 22.f3 Qg3 23.Qc2 Bc2–+) 22.f3 Bd5 23.Qd1 Qe3 24.Rf2 Bb3 25.Qe1 Qe1 26.Re1 Rc6 27.Re5 Rfc8 28.Ree2 Rc2 29.Rc2 Rc2 30.Rc2 Bc2 31.Kf2 Kf8 32.Ke3 Ke7 33.Kd2 Bb3 34.Kc3 Bc4 35.Kb4 h5 36.g3 g5 37.Bc1 Kf6 38.a4 Kf5 39.Kc5 Be2 40.f4 Kg4 Black intends h4 41.fg5 Kg3 42.ab5 ab5 43.Kd6 h4 44.Ke7 h3 45.Ba3 Bh5 0–1. Dzera,Evgeniy (2170) – Muslimov,Aleksander, Konakovo RUS, Chervonny Open, 2012.

6.c4 a6 7.cd5 ed5 8.Nc3 c6 9.d4 Nb6 10.Bd3 Bg4 11.Be2 0-0 12.0-0 Bd6 13.h3 Bh5 14.Nd2 Bg6 15.Nf3 Ne4 16.Ne4 Be4 17.Nd2 Bg6 18.Qb3 Qf6 19.Nf3 Rac8 20.Bd3 Nd7 21.Bg6 fg6 (21...Qg6 22.Rac1+=) 22.Rac1 (22.e4 Qf7 23.Rae1 Bf4=) 22...Rf7 23.Qc2 Nf8 24.Qe2 Ne6 25.Rc2 Ng5 26.Ng5 Qg5 27.Bc1 h5 (better is 27...Re8!?+=) 28.e4+= Bf4 29.e5 Re8 30.Bf4 Rf4 31.Qe3 Re4?? (better is 31...Qf5+=) 32.Qg5+– Rd4 33.Qg6 Re5 34.Qd6 Rde4 35.Qb8 Kh7 36.Qb7 a5 37.ba5 d4 38.Qc6 d3 39.Rd2 Re6 40.Qc3 R4e5 41.Qd3 Kh8 42.a6 Ra5 43.Qd8 Kh7 44.Qa5 (44.Qa5 Re4 45.Qh5 Kg8 46.Rd8 Re8 47.Re8) 1–0. Fournier,Frederic – Dadcol, Owl21.com, 2008.

6.c4 a6 7.cd5 ed5 8.Be2 =.

6.c4 a6 7.cd5 Nd5 8.Nc3 (8.Bg7!? Rg8 9.Bd4+/–) 8...N7f6 9.Nd5 ed5 10.Be2 c5 11.bc5 Bc5 12.0-0 0-0 13.Rc1 b6 14.d4 Bd6 15.Bd3 Bb7 16.Qc2 Rc8 17.Qb1 Rc1 18.Rc1 1–0. Fournier,Frederic – transpersonal, Active (5/0), 2005.

6.c4 b6 7.cd5 ed5 8.Bb5 c6? 9.Bc6+– Rb8 10.Be5 0-0 11.Bb8 Nb8 12.Ba8 Bd7 13.Nc3 Na6 14.Bd5 Nd5 15.Nd5 Be6 16.Ne7 Qe7 17.0-0 Qf6 18.Qa4 Nc7 19.Qa7 Nd5 20.Qb7 Qg6 21.Rfc1 Nf6 22.Qb6 Bd5 23.Ne1 Nh5 24.Qg6 hg6 25.d3 Be6 26.b5 Nf6 27.b6 Rb8 28.Rab1 Nd7 29.b7 Bd5 30.Rc7 Nf6 31.Rc8 Rc8 32.bc8Q Kh7 33.Rb8 Kh6 34.Qh3 Nh5 35.f4 g5 36.Rh8 Kg6 37.Qh5 Kf6 38.Re8 (38...gf4 39.ef4 Bg2 40.Qg5#) 1–0. Fritz 8 – NN, Blitz:1'+5", 2005.

6.c4 b6 7.cd5 ed5 8.d4 a5 9.b5 Bb7 10.Nbd2 c6 11.bc6 Bc6 12.Be2 Bb7 13.0-0 Ba6 14.Ba6 Ra6 15.Qe2 Ra8 16.Rfc1 Rc8 17.Rc8 Qc8 18.Rc1 Qb7 19.Qb5 0-0 20.Rc6 Rc8 21.Rc8 Qc8 22.Ne5 Ne5 23.de5 Nd7 24.Nf3 Qb7 25.h3 h6 26.Bd4 Bc5 27.Nd2 Ba3+= 28.Nb3 Bb4 29.f4 Qc7 30.Qd5 a4 31.Na1 a3 32.Qb3 Bc5 33.Nc2+= Bd4 34.ed4 g6 35.Kf2 Kg7 36.Na3+– Qc1 37.Kf3 Qf1+/– 38.Kg3 Qe1 39.Kh2 g5? 40.fg5 hg5 41.Nb5 f6 42.ef6 Nf6 43.Nc3 1–0. Fournier,Frederic – NYKip, ICC, 2005.

6.d3 0-0 7.Nbd2 c5 8.bc5 Nc5 9.Be2 Bd7 10.0-0 Rc8 11.Ne1 (11.Rb1!?=) 11...Na4-/+ 12.Bc1?? (better is 12.Qc1-/+) 12...Nc3–+ 13.Bb2 Nd1 14.Rd1 Ba4 15.Rc1 Nd7 (15...Qa5 16.Nb1–+) 16.c4 Bf6 17.d4 dc4 18.Bc4 Nb6 19.Bd3 Rc1 20.Bc1 Nd5 21.Nef3 Qb6 22.g3 (22.Nc4 Qa6 23.Re1 Bb5–+) 22...Bc6 (22...Bb5 23.Bb5 Qb5 24.Ne4–+) 23.e4 (23.Nc4 Qa6 24.Bb2 Bb5–+) 23...Nc7 24.e5 Be7 25.h4 h6 26.Be2 Bd5 27.Nc4 Qc6 28.Nfd2 Nb5 29.Bb2 Qd7 30.a4 Nd4! 31.Bd4 Bc4 32.Bc4 (32.Nc4 Qd4 33.Rd1–+) 32...Qd4 33.Rd1 Bb4 34.Be2 Bd2 35.Kf1 Rd8 0–1. Sufiev,Rinat – Snegirev,Sergey, Kemerovo RUS, City Ch, 2014.

6.d3 c5 7.bc5 Nc5 8.Nbd2 0-0 9.Be2 b6 10.c4 Bb7 11.cd5 Bd5 12.0-0 Rc8 13.e4 Bb7 14.Nc4 Ba6 15.Nfe5 Ncd7 16.Qa4 Nc5 17.Qd1 Nfd7 18.Nd7 Nd7 19.Rc1 Bc4 20.Rc4 Rc4 21.dc4 Nc5 22.Qc2 Qc8 23.f3 Rd8 24.Kh1 Nb7 25.Qc3 Bf6 26.e5 Be7 27.h3 Bc5 28.Qc2 Be3 29.Bd3 h6 30.Qe2 Bf4 31.Qe4+= Nc5 32.Qh7 Kf8 33.Bc2 g6. Haisma,Henk (1650) – Collier,Michael J, Guernsey Holiday op, 2005.

6.Bd3 0-0 7.0-0 c5 8.bc5 Nc5 9.Be2 b6 10.Bd4 Bb7 11.a4 a6 12.a5 b5 13.d3 Bd6 14.Ne5 Qc7 15.f4 Rac8 16.Nd2 Nfd7 17.Nd7 Nd7 18.c4 e5 19.fe5 Ne5 20.cb5 ab5 21.a6 Ba8 22.h3 Qe7 23.Bg4 Rc6 24.Nb3 g6 25.Be2 f5 26.Rf2 Rcc8 27.Bf3 Qh4 28.Ra5 Qg3 29.Rb5 Nf3 30.Rf3 Qh2 31.Kf2 f4 32.ef4 Bf4 (32...Rf4 33.Rf4 Qf4 34.Qf3 Qh4 35.g3 Qh3–+) 33.Qg1+= Bg3 34.Ke2 Rc2? (34...Rfe8 35.Kd2 Be1 36.Kd1=) 35.Nd2 Qg1 36.Bg1+– Bf4 37.Be3 Be3 38.Rf8 Kf8 39.Rb8 Ke7 40.Ke3 Bc6 41.Nf3 Ra2 +–. kamret (2175) – poppeter, GameColony.com, 2003.

6.d4 0-0 7.c4 dc4 8.Bc4 c6 9.Nc3 Nb6 10.Bd3 Nbd5 11.Ne2 a5 12.e4 Nb6 13.ba5 Ra5 14.0-0 Nfd7 15.a4 f5= 16.Bc3 Ra7 17.Qb3 Nf6 18.ef5+= Nbd5 19.fe6 Be6 20.Ng5 Bg4 21.Nf4+/– Qd7 22.Rfe1 Kh8 23.Nfe6 Rfa8 24.Nf7 Kg8 25.Neg5 Qc7 26.Ne5 h6 27.h3 Bd7 28.Nd7 Qd7 29.Nf3 Bd8 30.Ne5+– Qc8 31.Bg6 Ba5 32.Ba5 Ra5 33.Bf7 Kf8 34.Be6! Qe6 35.Ng6 Kf7 36.Qb7 Kg6 37.Re6 Ra4 38.Rae1 R8a7 39.Qb8 Rc7 40.f4! Kh7 41.Rf6! gf6 42.Re8 Rb4 43.Qd8 Rb1?? 44.Kh2 Kg6 45.g4 Rg7 46.Rf8 Re1 47.h4 (47.h4 Nf4 48.Qf6 Kh7 49.Qf4 Re2 50.Kg3+–) 1–0. Bjazevic,Pavao – Ling,AJ (2060), ICCF WSTT/3/06/3, 2006.

6.d4 a5 7.b5 0-0 8.c4 c5 9.Nbd2 cd4 10.ed4 b6 11.g3 (11.Ne5!?=) 11...Bb7 12.Bg2 Rc8 13.Ne5 Ne5 14.de5 Ne4 15.Ne4 de4 16.Qe2 Qc7 17.Rc1 e3 18.fe3 Bg2 19.Qg2 Bc5 20.Qe4 Qe7 21.Rc3 f5 22.ef6 Qf6 23.Rc2 Qh6 Attacking the isolated pawn on e3 24.Rd2 Qe3 25.Qe3 Be3 26.Rd7 Bh6 (26...Rc4?? 27.Rg7 Kh8 28.Rg4 Bd4 29.Bd4 Rd4 30.Rd4+–) 27.Bd4 Rc4 28.Bb6 Rc1 29.Rd1 Rb8 30.Ba5= Rb5 31.Rc1 Bc1-/+ 32.Ke2 Ra5 33.Rc1 Ra3 34.Rc7 Ra2 35.Kf3 Rh2 36.Re7 Rh6 37.Ke4 Rg6 38.Kf4 Kf8 39.Ra7 e5! 40.Ke5 Rg3 41.Kf4 Rg1 42.Rb7 Re1 43.Kf5 Re7 44.Rb5 Kf7 45.Ra5 h6 46.Ra6 Rb7 47.Rc6 Rb5 48.Kg4 Re5 49.Ra6 Re6 50.Ra5 Kg6 51.Ra4 h5 52.Kh4 Kh6 0–1. Raeva,E (2315) – Cosma,E (2340), Vratsa BUL, Open Women Ch, 2011.

6.d4 a6 7.Bd3 b6 8.0-0 Bb7 9.Nbd2 c5 10.dc5 bc5 11.c4 0-0 12.Rb1 Bc6 (12...Rc8 13.Qe2+=) 13.Qc2+= Rb8 (13...cb4!? 14.ab4 g6+=) 14.cd5+– ed5 15.Bf6 Nf6 16.bc5 Qc7 17.Nd4 g6 18.Rb6 Rb6?? (better 18...Ba8 19.Ra6 Nd7+–) 19.cb6+– Qb6 20.Nc6 Ba3 (20...Bc5 21.Nb3 Qc6 22.Qc5 Qc5 23.Nc5+–) 21.Nb3 Bd6 (21...Kg7 22.Rb1+–) 22.Ra1 (22.g3 Ra8+–) 22...Qc7 (22...Ra8 23.Ra5+–) 23.g3 Qd7 (23...Ra8 24.Ra5+–) 24.Ra6 Qh3 (24...Rc8 25.Nbd4 Qe8 26.Qc3+–) 25.Nbd4 Ng4 26.Nf3 Ne5 (26...Nf6+–) 27.Nfe5 Be5 (27...Re8 28.Nf3+–) 28.Ne5 Qg2 29.Kg2 (29.Kg2 h6 30.Nf7 Re8 31.Rg6 Kf8 32.Nh6 Rd8 33.Qc5 Ke8 34.Re6 Kd7 35.Re7) 1–0. Pierre – Patroles, internet, 2020.

6.d4 b6 7.c4 Bb7 8.cd5 Bd5 9.Nc3 c5 10.Nd5+= Nd5 11.e4 N5f6+= 12.d5 Qc7 13.Bb5+= a6 14.Bc6 ed5?? 15.Ba8+– (15.Ba8 de4 16.Nd2+–) 1–0. Gretencord,Ulrich – Daudish,Joseph, internet, 2007.

6.d4 b6 7.Nbd2 0-0 8.c4 dc4 9.Bc4 Bb7 10.0-0 c5 11.dc5 bc5 12.b5 (12.Qb3 Qc7=) 12...Nb6 (12...a6 13.ba6 Ba6 14.Ba6 Ra6 15.Qe2=) 13.Be2 (13.Ne5 a6 14.a4 Qc7+=) 13...a6= 14.a4 ab5 15.Bb5 (15.ab5 Ra1 16.Qa1 Qd5=) 15...Nbd5 (15...Nbd7 16.Nc4=) 16.Qe2 (16.Qb1 Nb4=) 16...Nc7 (16...Qc7 17.Ne5=) 17.Bc4 (17.Bd3 Ncd5+=) 17...Na6 (17...Ncd5 18.Ne5=) 18.Rfd1+= Qc8 (18...Nb4 19.Bb5+=) 19.Ne5 (19.Bb5 Nc7+–) 19...Nc7 (19...Nb4 20.a5+=) 20.Ndf3 (20.a5 Rd8+–) 20...Nce8 21.a5 Nc7 (21...Nd6 22.Bd3+–) 22.Bd3 (22.h3 h6+–) 22...Na6 (22...Nfd5 23.Bc2+–) 23.Nc4 Qc6 (23...Ra7 24.Nb6 Qc6 25.Bb5+–) 24.Nb6 Ra7 25.Qf1 (25.Bb5!? Qe4 26.Nd7 Rfa8+–) 25...Rd8 (25...Nb4 26.Bb5 Qe4 27.a6+–) 26.Ne5 (26.Bb5 Qe4 27.Rd8 Bd8+–) 26...Qc7 27.Bb5 Nd5 (27...Nb4 28.Rd8 Qd8 29.Qe2+–) 28.Nec4 (better 28.e4 Nb6 29.ab6 Qb6 30.Nd7+–) 28...Nab4?? (better 28...Bf6 29.Bf6 Nf6 30.Rd8 Qd8+–) 29.Be5+– Bd6 30.Nd6 f6 (30...Qe7 31.Qc4 f6 32.Nb7 Rb7 33.Bg3+–) 31.Nb7 Qb7 32.Bg3 Qe7 33.e4 (33.Qc4 f5+–) 33...Nc3 34.Rd8 Qd8 35.Bc4 Ne4 (35...Kh8 36.e5+–) 36.Be6 Kh8 37.Bb3 (37.Rd1 Qe8 38.Qb5 Re7 (38...Qb5?? 39.Rd8 Qe8 40.Re8) 39.Qe8 Re8+–) 37...g6 (37...Nc6 38.Bd5 Ng3 39.hg3 Na5 40.Qb5+–) 38.Rd1 Qf8 (38...Qe8 39.Qe1 Re7 40.Ba4+–) 39.Nd7 Qe7 (39...Qe8 40.Qe2 Rd7 41.Rd7 Qd7 42.Qe4+–) 40.Qc4 Kg7 (40...Ra8 41.Nb6 Re8 42.Re1+–) 41.Nc5! Qc7 (41...Nc5 42.Bd6 Double attack (42.Bd6 Decoy; 42.Qb4 Remove defender); 41...Qc5 42.Qe4 Deflection (42.Qe4 Overloading)) 42.Qe4 (42.Bc7 Nd5 43.Ne6 Kf7 44.Qd5 Rc7 45.Qd8 g5 46.Nf8 Kg7 47.Qc7 Kf8 48.Rd8) 42...Qa5 43.h4 (43.Ne6 Kf7 44.Nc7 Qd5 45.Bd5 Nd5 46.Qd5 Kf8 47.Qd7 Kg8 48.Qe6 Kg7 49.Rd7 Kh6 50.Qh3 Kg5 51.Ne6) 43...Qa3 44.Qe6 (44.Ne6 Kf7 45.Nc7 Nd5 46.Qd5 Kg7 47.Qg8 Kh6 48.Bf4 Kh5 49.Qh7 Kg4 50.Qg6 Kf4 51.Ne6 Ke5 52.f4) 44...Qa5 45.Bf4 g5 (45...Nd5 46.Qd5 g5 47.Qg8 Kh6 48.Bg5 Kh5 49.Qe8 Kg4 50.Rd4 Kf5 51.Qe4) 46.hg5 (46.Qg8 Kh6 47.Bg5 Kh5 48.g4 Kg4 49.Rd4 Kf5 50.Rf4 Ke5 51.Qe6) 46…fg5 (46...Nd5 47.Qd5 Kg6 48.g4 Qd8 49.Qf5 Kg7 50.Ne6 Kg8 51.Rd8 Kf7 52.Qf6) 1–0. Uddin,Md Saif (2075) – Mohammad,Sagar (2030), Saif Powertec Open, 2017. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 Be7 5.e3 Nbd7)

6.d4 c6 7.c4 a5 8.b5 cb5 9.cd5 Nd5 10.Bb5 0-0 11.Nc3 b6 12.0-0 Bb7 13.Rc1 Nc3 14.Bc3 (14.Rc3 Nf6+=) 14...Nf6 (14...Ba3 15.Ra1 Bd6 16.Bb2-/+) 15.Ne5 (15.Bb2 Qd5 16.Bc4 Qe4=) 15...Ne4?? (better 15...Qd5 16.Qf3 Ba3-/+) 16.Bb2+/- Bf6 17.Bc6 Be5 18.Bb7 (better 18.de5!? Bc6 19.Rc6+=) 18...Bh2=+ 19.Kh2 Qh4?? (better 19...Qb8 20.Kg1 Qb7=+) 20.Kg1+- Rab8 21.Be4 Qe4 22.Qf3 Qh4 (22...Qf3 23.gf3 Rfc8 24.Kg2+-) 23.Qg3 (23.Rc7 Qg5 24.a4 Rbc8+-) 23...Qh5 (23...Qg3 24.fg3 Rfc8+-) 24.Rc6 g6 25.Rfc1 Qd5 26.Qe5 (better 26.Qf4 Qb5 27.Ba1+-) 26...Qb3 (26...Qe5 27.de5 b5+-) 27.d5! f6 (27...Qd5 28.Qg7 Mate attack; 27...ed5 28.Qg7 Mate attack) 28.Qe6 Kg7 (28...Rf7 29.Rc8 Rc8 30.Rc8 Kg7 31.Bf6 Rf6 32.Rc7 Kh6 33.Qh3 Kg5 34.Qg3 Kf5 35.Qf4) 29.Ba1 (29.Rc7 Kh8 30.Bf6 Rf6 31.Qf6 Kg8 32.Qg7) 29...Rf7 30.Rc7 (30.Bf6 Rf6 31.Rc7 Rf7 32.Rf7 Kg8 33.Rc8 Rc8 34.Rc7 Kf8 35.Qc8) 30...Rbf8 (30...Qd1 31.Rd1 Rc7 32.Qf6 Kg8 33.Qh8 Kf7 34.Qg7 Ke8 35.Qg8 Ke7 36.d6 Kd7 37.dc7 Kc7 38.Qc4 Kb7 39.Rd7 Ka8 40.Qa6) 31.Rf7 (31.Qf6 Kh6 32.Qh4) 31...Rf7 32.Qc6 (32.Bf6 Rf6 33.Rc7 Kh6 34.Qh3 Kg5 35.Qg3 Kf5 36.Qf4) 32...Qa3+- 33.Qc3 (33.d6!? Qd3+-) 33...Qa2 (33...Qc3 34.Rc3 Rd7 35.e4+-) 34.Qb2 (34.e4 Qe2 35.Re1 Qg4+-) 34...Qd5 35.Qd4 (35.Qb6 Qd2 36.Qc6 a4+-) 35...Qa2? (35...Qd4 36.Bd4 b5 37.Rc6+-) 36.Rd1 (36.g4 Qe6 37.g5 h5+-) 36...Qa3? (36...b5 37.g4 h6 38.e4+-) 37.Rd2?? (37.Qb6 a4+-) 37...Qb3?? (better 37...Qc1!? 38.Kh2 b5+/-) 38.Rd3 (better 38.Rb2 Qe6 39.Rb6+-) 38...Qb1 39.Rd1 Qb3 40.g4 a4? (better 40...h6+-) 41.g5 b5 (41...h6 42.gf6 Kh7+-) 42.gf6 Kg8 43.Qd8 (43.Qg4 Rf8 44.Rd7 Qb1 45.Kg2 Qf5 46.Qd1 h5 47.Rg7 Kh8 48.f7 h4 49.Rg8 Kh7 50.Rf8 Qe4 51.Kh2 Qa8 52.Ra8 Kh6 53.f8Q Kg5 54.f4) 43...Rf8 44.Qd5 (better 44.Qd6 h5+-) 44...Qd5 45.Rd5 Rb8? (better 45...b4+-) 46.Rd7 b4 (46...a3+-) 47.f7 (47.f7 Kf8 48.Bf6+-) 1-0. GM_HUSARZ (2130) - shaxMSTAtist (2110), Rated Bullet game, lichess.org, 2015.

6.d4 c6 7.c4 dc4 8.Bc4 0-0 9.Nbd2 h6 10.0-0 Nh7 11.Bd3 Qc7 12.Rc1 Ndf6 13.Ne5 Bd6 14.Ndf3 Be5 (14...Nd5 15.b5+/–) 15.Ne5 Nd7 16.Nd7 (16.Qc2!? Nhf6+–) 16...Qd7+/– 17.Qc2 Rd8?? (better is 17...Nf6+/–) 18.Bh7+– Kh8 19.Bd3 e5 (19...a5 20.ba5 Ra5 21.Rfd1+–) 20.Rfd1 ed4 21.Bd4 Qe6 22.Qc3 f6 23.Bc4 Qg4 24.Bf6 (better is 24.Rd2+–) 24...Kh7?? (better is 24...Rd1 25.Rd1 Qd1 26.Bf1 gf6 27.Qf6 Kg8 28.Qg6 Kf8 29.Qh6 Ke7 30.Qg7 Kd8 31.Qg5 Kc7 32.Qf4 Qd6 33.Qd6 Kd6–+) 25.Rd8+– 1–0. Fournier,Frederic – maikelnain, Active, 2007.

6.d4 c6 7.Nbd2 Nb6 8.a4 (8.c4 0-0=) 8...Bd7 (8...Bb4!? 9.Bd3 Nbd7-/+) 9.c3 (9.a5 Nc8 10.c3 0-0+=) 9...Nc8 10.Bd3 Nd6 11.Nf1 h6 (11...a5 12.N1d2=) 12.Ng3 Nh7 (12...a5 13.Ba3=) 13.Qc2 g6 14.h4 f5 15.h5 g5 16.Ne5 Bf6 17.Ng6 Rg8 18.f3 Qc7 19.e4 de4 20.fe4 fe4 21.Ne4 Ne4 22.Be4 0-0-0 (22...Bg7 23.0-0 Nf6 24.Qe2+=) 23.0-0-0 (23.0-0 Be8+/-) 23...Rde8 24.Rhf1 b6 (24...g4 25.Kb1 Bg7 26.Bc1+/-) 25.g4 (25.Ne5 Be5 26.de5 Nf8+-) 25...Bd8 (25...Bg7 26.Rf7 Nf6 27.Bf3+/-) 26.Ne5 Nf8? (better 26...Nf6+/-) 27.Nf7+- Re7 (27...Rg7 28.Nh6 Nh7 29.Nf7+-) 28.Nh6 Rgg7 (28...Rh8 29.Nf7 Rg8 30.h6+-) 29.c4 White intends d5 (better 29.Rf8 Re8 30.Rff1+-) 29...Nh7 30.d5 ed5 31.Bg7 (better 31.Bf5 d4 32.Bd4 Bf5 33.Qf5 (33.gf5?! Rd7 34.Bg7 Rg7+-; 33.Rf5?! Re6+-; worse 33.Nf5 Rgf7+-) 33...Kb8 34.Bg7 Rg7 35.Qe6+-) 31...Rg7?? (31...de4 32.Bb2 Qg3+-) 32.Bg6 (32.Bh7 Qe5 33.Bd3 dc4 34.Qc4 Bf6+-) 32...dc4 (32...Nf6 33.Qc3 c5 34.cd5 Ba4 35.d6+- (35.Rf6?! Bf6 36.Qf6 cb4 37.Kb1 Bd1 38.Qf8 Kb7+-)) 33.Qc4 (33.Bh7 Qe5 34.Be4 Be7+-) 33...c5 (33...Nf6 34.Qc3 c5 35.b5+- (worse 35.Rf6 Bf6 36.Qf6 Ba4+-)) 34.b5 (better 34.Nf5 Bf5 35.Bf5 Kb8+-) 34...Qe5 35.Rd5 Qe3 (35...Qe3 36.Rd2 Bf6+-). alessandrocarvalhaes (1845) - karthikilan (1815), lichess.org, 2020.

6.d4 Ne4 7.c4 Ndf6 8.Bd3 c6 9.Ne5 0-0 10.Qc2 Nd6 (10...a5 11.c5 ab4 12.ab4 Ra1 13.Ba1+=) 11.Nd2 dc4 12.Ndc4 Nc4 13.Nc4 h6 14.0-0 Bd7 15.e4 Rc8 16.f4 b5 17.Na5 Qb6 18.Nb3 Rfd8 19.Rf3 Be8 20.Be2 a6 21.Rg3 Kh8 22.Rf1 Qa7 23.Bd3 Nh5 24.Rh3 Nf6 25.Qe2 Kg8 26.e5 Nd5 27.f5 (27.Qe4 g6+/–) 27...ef5 28.Bf5 (worse is 28.Rf5 Bd7 29.Qh5 Bf5 30.Qf5 g6+=) 28...Bd7 29.e6 Be6?? (better is 29...fe6 30.Be6 Kh8+/–) 30.Be6+– fe6 (30...Ra8 31.Rf7 Kh8 32.Rh6 gh6 33.Qc2 Nf6 34.Qg6 Qd4 35.Bd4 Rd4 36.Qg7) 31.Qe6 Kh8 32.Rh6! gh6 (32...gh6 33.Qh6 Mate attack) 33.Qh6 Kg8 34.Qg6 Kh8 35.Rf7 1–0. marekt – Klaatu, ChessWorld.net, 2015.

6.Be2 a5 7.b5 =.

6.Be2 a6 7.0-0 0-0 8.d3 b5 9.c4 dc4 10.dc4 bc4 11.Qc2 Nb6 12.Ng5+= g6 13.Nd2 Bb7 14.Nc4+/– Bg2?? 15.Kg2+– Qd5 16.Nf3 Bd6 17.Bf6 (17.Bf6 Nc4 18.Bc4+–) 1–0. orane – GreyGoose, Live Game Caissa's Web, 2005.

6.Be2 a6 7.0-0 b5 8.d3 c5 9.bc5 Nc5 10.Nbd2 0-0 11.c4 bc4 12.dc4 Bb7 13.cd5 Bd5 14.Bc4 Rc8 15.Bd5 Nd5 16.Nb3 (16.Rc1 Nd3 17.Rc8 Qc8+=) 16...Nb3 (16...Ne3 17.fe3 Qd1 18.Rad1 Nb3 19.Rd7-/+) 17.Qb3= Qb6 18.Qb6 Nb6 19.Rac1 (19.Bd4 Nc4+=) 19...Rfd8 (19...Nc4!? 20.Rb1 Rb8-/+) 20.Rc8 Rc8 21.Rc1 Rc1 22.Bc1 a5 (22...Nc4!?-/+) 23.Nd4 (23.Nd2 f5=) 23...a4 24.Nc6 Bf8 25.Kf1? (better is 25.Na5!?+=) 25...Nc4-/+ 26.Nb4 (26.Ke2 Na3 27.Kd3 Nb5-/+) 26...Bb4–+ 27.ab4 a3 (27...a3 28.Ba3 Na3–+) 0–1. Fournier,Frederic (1820) – Pitante (1815), Active ajedrez21.com, 2004.

6.Be2 c5 7.c3 0-0 8.d4 cd4 9.cd4= a6 10.0-0 b5 11.Nc3 Nb6 12.Ne5 Nc4 13.Bc4 dc4 14.Nc6 Qc7 15.Ne7 Qe7 16.e4 Bb7 17.Qe2 Rad8 18.Rad1 Rfe8 19.Bc1 Nd7 20.Rfe1 f6 21.h3 (21.Qe3 Qd6+=) 21...e5 (21...Rc8 22.Qc2=) 22.d5+= Qd6 23.Be3 Rf8 24.Qc2 Qe7 (24...Rb8 25.Ne2+=) 25.a4+/- ba4 26.Na4 Qb4 27.Rb1 (27.Rb1 Qa5 28.Rec1+/-) 1-0. PEREIRA – Kioro, internet, 2022.

6.Be2 c5 7.bc5 Bc5 8.0-0 0-0 9.Bd3 Bd6=+ 10.a4 e5 11.Be2 Re8 12.Nc3 a6 13.d3 Rb8 14.Ba3 Qe7 15.Bd6 Qd6 16.d4 e4 17.Nd2 Qc7 18.Ra3 b6 19.f3 ef3 20.Rf3 Qd6 21.Ncb1 Ng4 22.Rg3 Nh6 23.Qf1 Nf6 24.c4 Nf5=+ 25.Rh3 Nd4 26.ed4 Bh3 27.Rh3 (27...dc4 28.Bc4 Qd4 29.Kh1-/+). Walther,Manfred – Pschribuella,Lars, 2006.

6.Be2 c6 7.0-0 h6 8.d3 0-0 9.Nbd2 a5 10.Bc3 a4 11.Bb2 b5 12.c4 Qb6 13.Rc1 Qb8 (13...bc4 14.Bd4 c5 15.bc5 Bc5 16.dc4 Bd4 17.Nd4+=) 14.Nd4+= Nh7? (better 14...Qb7 15.cb5 cb5+=) 15.Nc6+- Qd6 16.cb5 Ndf6 (16...Bf6 17.Bf6 Nhf6 18.d4+-) 17.e4 e5 (17...de4 18.de4 (18.Ne7?! Qe7 19.Ne4 Bb7+-) 18...Qd7 19.Nc4+- (19.Ne7?! Qe7 20.Qc2 Bb7+-)) 18.d4 (18.f4 ef4 19.e5 Qe6 20.Ne7 Qe7 21.ef6 Nf6 22.Rf4 Ne8+-) 18...ed4 (18...Ne4 19.de5 Qc7+-) 19.e5 (19.Ne7?! Qe7 20.ed5 Nd5+-) 19...Qe6 20.Ne7 Qe7 21.ef6 Qe2 (21...Qf6 22.Nf3 Re8 23.Bd4 Qf5+-) 22.Qe2 (22.Qe2 Nf6 23.Bd4+-) 1-0. Pereira – Vintins, internet, 2020.

6.Be2 Bd6 7.0-0=.

6.Be2 Bd6 7.d4 Nb6 8.0-0 0-0 9.Bd3 a5 10.b5 Ne4 11.Nc3 f5 12.Ne5 Qe7 13.Qe1 Qh4 14.f3 Qe1 15.Rfe1 Nf6 (15...Nc3 16.Bc3 Be5 17.de5+=) 16.Ra2 (16.Rf1 Nbd7 17.Ne2 Nb6+=) 16...Nfd7 17.Ne2 a4 18.Rd1 (18.e4 fe4 19.fe4 Be5 20.de5 de4 21.Be4 Nc4=) 18...Be7 19.Ba1 Rd8 20.Bc3 (20.Nf4 Ne5 21.de5 Bd7=) 20...Ne5 21.de5 Bd7 22.Rb1 Kf7 (22...g5 23.f4=) 23.Nd4 Nc8 24.Be2 c5 25.bc6 bc6 26.Kf2 Na7 27.Rb7 Ke8 28.Rab2 Nc8 29.Rb8 Rb8 30.Rb8 Na7 31.Rb6 Nb5 32.Bb5 cb5 33.Bb2 Rc8+= 34.Rb7 g5 35.Ke2 h5 36.Kd3 Kd8 37.f4 g4 38.Kd2 h4 39.Kd3 Bc5 40.Bc1 g3 41.hg3 hg3 42.Kd2 Ra8 43.Nb5 Bc6 44.Nc7 Ke7 45.Rb2 Rc8 46.Nb5+= Kd7 47.Nd4 Ba3 48.Rb6 Bc5 49.Ra6 Bd4 50.ed4 Bb5 51.Ra7 Rc7 52.Ra8 Bf1 53.Rg8 Bg2 54.Rg3 Be4 55.Rg7 Kc6 56.Rc7 Kc7 57.Kc3 Kd7 58.Ba3 Ke8 59.Bc1 Kf7 60.Kb2 Kg6 61.c3 Bf3 62.Ka3 Bd1 63.Kb4 Bc2 64.Kb5 Kf7 65.Ba3 Bb3 66.Kc5 Bc4 67.Bb4 ½–½. Aymard,Michel (2010) – Ling,A J (2060), corr ICCF WSTT/3/06/3, 2006.

6.g4 h6 7.c4 0-0 8.g5 hg5 9.Ng5 Ne4 10.Ne4 de4 11.Rg1 Bf6 12.Nc3 b6 13.Qc2 Bb7 14.0-0-0 a5 15.Ne4 Be4 16.Qe4 Bb2 17.Kb2 Qf6 18.Qd4 Qd4 19.ed4 ab4 20.ab4 Ra4 21.Bg2 Rb4 22.Kc3 c5 23.Bc6 Nf6 24.f3 Rc8 25.dc5 bc5 26.Bb5 Nd5 27.cd5 Rb5 28.de6 fe6 29.Rg6 Rc6 30.Re1 Kf7 31.Reg1 c4 32.Rg7 Kf8 33.Rg8 Kf7 34.R1g7 Kf6 35.Rg6 Ke7 36.R6g7 Kf6 37.Rg4 Attacks the isolani on c4 37...Rb3 38.Kc2 Rd3 39.h4 Rcd6 40.Rf4 Ke5 41.Re4 Kf5 42.Rg5 Kf6 43.Rf4 (worse is 43.Rc4 Rd2 44.Kb3 R6d3 45.Rc3 Rc3 46.Kc3 Rh2=) 43...Ke7 44.Rg7 Ke8 45.Rg2 R6d5 46.Re2 Ke7 47.Rfe4 Rf3 48.Re6 Kd7 49.Re7 Kd6 50.R2e6 Kc5 51.Rc7 Kb5 52.Rb7 Kc5 53.Ree7 Rh3 54.Rec7 Kd4 55.Rh7 Rh2 56.Rbd7 Rh3 57.Rd5 Kd5 58.Rh8 Kc6 59.h5 Kc7 60.h6 Kc6 61.Rc8?? (61.h7 Kb7 62.Kb2+/–) 61...Kd7 (61...Kd5 62.Rd8 Kc5 63.h7 Rh7 64.d4 cd3 65.Kd3=) 62.Rh8 Kc7?? (62...Kc6 63.Kd1 Rh2+–) 63.h7+– Kb7 64.Kb2 Ka7 65.Rc8 Rh7 66.Rc4 Kb6 67.Kc3 Rh1 68.Kd4 Re1 69.Kd5 Rh1 70.Rc6 Kb7 71.Rc5 Kb6 72.Rc3 Rh5 73.Ke6 Rh6 74.Ke5 Rh5 75.Kf4 Rh4 76.Kg5 Rh1 77.Kf4 Rh4 ½–½. Carbonell Bofill (2175) – Almenar Montaner (1980), La Pobla de Vallbona op, 2004. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 Be7 5.e3 Nbd7)

7.Bc4 0-0 8.0-0 b6 9.d4 Bb7 10.Nbd2 c5 11.b5 Rc8 12.Qe2 Ne4 13.Ne4+= Be4 14.Rfc1 Bf6 15.Ne5 Be5 16.de5+/– Re8 17.Rd1 Qe7 18.Qg4 Bf5 19.Qg3 Nf8 20.Rd6 h6 21.Rad1 Red8 22.f3 Rd7+/– 23.e4 Bh7 24.Bc1 Rcd8 25.Bh6 f6 26.ef6 (26.ef6 Qf6 27.Rd7 Rd7 28.Rd7 Nd7 29.Be6 Kh8 30.Bg7 (30.Bd7?! Qd4 31.Kf1 Qd7+–) 30...Qg7 31.Qg7 Kg7 32.Bd7+–; 26.Bf4 Rd6 27.Rd6 fe5 28.Be5 Rd6 29.Bd6 Qf6+–) 1–0. marekt – TheSimple, internet, 2005.

7.Bc4 0-0 8.0-0 Nb6 9.Bb3 h6 10.d4 a5 11.ba5 Ra5 12.Nbd2 Bd7 13.Ne5 Ba4 14.Ba4 Na4 15.Qb3 Nb2 16.Qb2 Qa8 17.Ndc4 Ra7 18.Rfb1 Ne4 19.f3 Nd6 20.Nd2 Nf5 21.Ndc4 Rd8 22.Qc3 Nd6 23.Rb3 Nc4 24.Nc4 Rd5 25.e4 Rd8 26.Rab1 Bf6 27.e5 Bg5 28.g3 Rd5 29.f4 Bd8 30.Ne3 Rda5 31.Nc2 Ra4 32.Rb4 c6 33.Ra4 Ra4 34.Rb4 Be7=+ 35.Rb3 Qa6 36.Kf2 Kf8 37.Qb2 Rc4 38.Ne3+/– Ra4 39.Rb7 Ba3 40.Rb8 Ke7 41.Qb7 Qb7 42.Rb7 Ke8 43.Rb6 Rd4= 44.Rc6 Rd2 45.Kg1 Re2 46.Nc2 Bb2 47.Rc4 Rd2 ½–½. Liepert,Luise – Pfeiffer,Maria Luise, Bayern–ch (Women), 1981.

7.Bc4 0-0 8.0-0 c5 9.bc5 Nc5 10.d4 Ncd7 11.Nbd2 Nb6 12.Bd3 Nbd5 13.Qc2 h6 14.Rac1 b6 15.e4 Nf4 16.Bb5 Bb7 17.Bc6?? (better is 17.Qc7 a6 18.Qf4 ab5 19.Ra1=) 17...Bc6–+ 18.Qc6 Ne2 19.Kh1 Nc1 20.Rc1 Rc8 21.Qa4 Rc1 22.Bc1 Qc7 23.Bb2 Rc8 24.g3 (24.Qa6 Qc2 25.Ne1 Qb2 26.Qc8 Bf8–+) 24...Qc2 (better is 24...Qb7 25.Kg2 Rc7–+) 25.Qc2?? (25.Qa7 Ne4 26.Ne4 Qb2 27.Qe7 Qb1 28.Kg2 Qe4 29.h3–+) 25...Rc2 26.e5 Nd5 0–1. Fournier,Frederic (1875) – palame6 (1620), Active, 2008.

7.Bc4 c5 8.bc5 Nc5 9.d4 Nce4 10.–0 0-0 11.Nbd2 b5 ½–½. Mrozinski,Werner – Mroczek,Mathias (2105), Dortmund op–B, 1998. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Nbd7 5.e3 Be7 6.c4 dc4)

8.Bb3 0-0 9.0-0 Bd7 10.Ne5 a5 11.Nd7 Qd7+= 12.ba5 Ra5 13.Nc3 Rfa8 14.Qc1 c5 15.d4 cd4-/+ 16.ed4 Rc8 17.Qd2 (17.Qe1 Nc4 (17...Qd4 18.Nd5 Rd5 19.Bd4 Rd4 20.Be6+–) 18.Bc4 Rc4-/+) 17...Nc4 18.Bc4 Rc4 19.Rfd1 Bd6 20.h3 Qc7 21.a4 (better is 21.Qe1!?-/+) 21...Bb4–+ 22.Nb5 Bd2 23.Nc7 Rc7 24.Rd2 Rc4 (24...b5 25.ab5 Ra1 26.Ba1 Rc1 27.Kh2 Ra1 28.Rb2–+) 25.Kf1 (25.Rd3 Raa4 26.Ra4 Ra4-/+) 25...h6 26.Ke2 Ne4 27.Rdd1-/+ Rc2 28.Kd3 Rb2 29.Ke4 Rf2 30.g4 Rb2 31.Rdb1-/+ Ra4! 32.Rb2 Ra1 33.Rb7 Rh1 34.Rb3 Kh7 35.Rd3 Rf1 36.Ke5 Kg6 37.h4 Rh1–+ 38.h5 Kh7?? 39.Rf3 Kg8 40.Kd6 Rd1 41.Rf4 Kf8 42.Ke5 Ke7 43.Ke4 Re1 44.Kd3 f6 45.Kd2 Rg1 46.Ke3 Kd6 47.Kf2 Ra1 48.Rf3 Ra2 49.Kg3-/+ Rd2 50.Ra3 Ke7 51.Ra7+= Kf8 52.Rd7 e5 53.d5+= Rd3 54.Kf2 e4 55.d6= Ra3 56.Rd8 Kf7 57.Rd7 Kf8 58.Rd8 ½–½. Sestovic,B (2110) – Zdravkovic,D (2255), Spring Open, Belgrade YUG, 2003. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 Be7 5.e3 Nbd7 6.c4 dc4)

8.Bb3 0-0 9.d4 a5 10.b5 a4 11.Ba2 Bd7 12.Nc3 Qe8 13.Qd3 Ra5 14.0-0 Bb5 15.Nb5 Qb5 16.Qc2 Rc8 17.Rab1 Raa8 18.d5 Nfd5 19.Bg7 Qc5 20.Qb2? (20.Qc5 Bc5 21.Bb2 Rd8+=) 20...Bf8 (20...Qa3!? 21.Qa1–+) 21.Bd4 Qa3 22.Qe2 Bg7 23.Ne5 (23.Bd5 ed5 24.Bb6 cb6 25.Rb6 Qc3 26.Rb7 a3–+) 23...Ne7 (better is 23...Nc3!? 24.Qf3 Rf8–+ (24...Qa2?? 25.Qf7 Kh8 26.Ng6 hg6 27.Qg7; 24...Na2?? 25.Qf7 Kh8 26.Ng6 hg6 27.Qg7; 24...Nb1?? 25.Qf7 Kh8 26.Ng6 hg6 27.Qg7)) 24.Qg4 Ng6 (better is 24...Qa2!? 25.Rb2 Qb2 26.Bb2 Ng6-/+) 25.Be6+= Rf8?? (better is 25...Be5 26.Be5 Re8 27.Bc7 Re6 28.Bb6 Qe7+=) 26.Ng6+– fe6 27.Bg7 Kg7 28.Nf8 Kf8 29.Qf4 ½–½. Scharff,Georges (1650) – Gozzoli,Cyrille (1940), Provence–ch access Vitrolles, 2000. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Nbd7 5.e3 Be7 6.c4 dc4 7.Bc4 Nb6)

8.Bb3 c6 9.Nc3 0-0 10.d4 a5 11.b5 (better 11.ba5!? Nbd7 12.0-0=) 11...cb5-/+ 12.Nb5 a4 13.Ba2 Nbd5 14.0-0 Qa5 (better 14...Qb6 15.Qe2 Bd7-/+) 15.Bc4? (15.Qd3 Bd7 16.Nc3 Rfc8 17.Bd5 ed5=+) 15...Bd7-/+ 16.Qd3? (better 16.Qe2 Ne4 17.Rac1 Bb5 18.Bb5–+) 16...Rfc8–+ 17.Ne5 Rc4! 18.Nd7 (18.Qc4 Qb5 Remove defender; 18.Nc4 Qb5 Remove defender) 18...Qb5 19.Ne5 Rc5! 20.dc5 Qb2 21.Nf3 (21.Nc4 Qb5–+) 21...Nc3 (21...Bc5?! 22.Rfb1 Qc3 23.Qc3 Nc3 24.Rb7–+) 22.Kh1 (22.Qd2 Qd2 23.Nd2 Bc5 24.g3–+) 22...Nfe4 23.Qd7 Bf6 24.Nd4 (24.c6 bc6 25.Rae1 Nf2 26.Kg1 Rd8–+) 24...Nc5 (24...Rd8 25.Qc7 Rd4 26.ed4 Nf2 27.Kg1 Ne2 28.Kf2 Nf4 29.Ke3 Ng2 30.Kf3 Nh4 31.Ke3 Bg5 32.Rf4 Bf4 33.Qf4 Ng2 34.Kf3 Nf4 35.Ra2 Qa2 36.Kf4 Qa3 37.d5–+) 25.Qc7 N5e4 (25...Nd3 26.Rae1–+) 26.Rac1 (26.Rae1 Rd8–+) 26...Bd4 27.ed4 Nf2 28.Kg1 Ne2 29.Kf2 Nc1 30.Kg3 (30.Kg1 Ne2 31.Kh1 Rf8–+) 30…Qc3! (30...Qc3 31.Qc3 Ne2 32.Kf2 Nc3–+) 0–1. Wanderley,Rodrigo (1945) – Cavalcanti,Francisco De Assis (2290), 3rd Championship Paraibano Aberto Absol, 2011.

8.Bb3 Bd7 9.0-0 Bb5 10.Re1 0-0 ½–½. Jovanovic,Momir (1955) – Haeussinger,Dieter (1645), Regionalliga SW, 2002.

8.Bb3 Bd7 9.Nc3 a5 10.b5 =.

8.Bb3 Bd7 9.Nc3 a6 10.0-0 0-0 11.Qc2 h5 12.Ng5+/– Qe8 13.Rfc1 Rc8 14.Ne2 g6 15.Ne4 Nfd5 16.Qd3 Kh7 17.Nf4 Nf4 18.ef4 f6 19.Nc5 Bb5 20.Qh3 Bc5 21.Rc5 Nd5 22.Bd5 ed5 23.Rd5 Qe4 24.Rd4 Qc2 25.Qc3 Qc3 26.Bc3 Rce8 27.f3 Bc6 28.Kf2 Kg8 29.Rc4 Re6 30.Re1 Re1 31.Ke1 Kf7 32.Kf2 Ke6 33.g4 hg4 34.fg4 Rd8 35.Rd4 Rd4 36.Bd4 Bb5 37.h4 Be8 38.Ke3 b6 39.d3 f5 40.gf5 Kf5 41.Be5 c6 42.Bc7 Kg4 43.Bb6 Kh4 44.Kd4 Bd7 45.Kc5+= Bf5 46.d4+/– Be4 47.Bc7 Kg4 48.Kb6 Bd3 49.Kc6 Bb5 50.Kb6 g5?? 51.fg5+– Kg5 52.a4! Be2 53.b5 ab5 54.ab5 Kf6 55.Kc6 Ke6 56.d5 Ke7 57.b6 (57.b6 Bd1 58.b7 Kf8 59.b8Q Kf7 60.Qb1 Ba4 61.Kb7 Bc2 62.Qc2 Kf6 63.Bf4 Kf7 64.Bh6 Ke8 65.Qe4 Kd7 66.Bf8 Kd8 67.Qe7#) 1–0. Cernik,Lukas – Voracek,Miroslav (2160), CZE–ch U18 Czechia, 1999.

8.Be2 0-0 9.0-0 Nbd5 10.Qb3 a6 11.Nc3 b5 12.Ne5 Bb7 13.d3 c5 14.bc5 Bc5 15.Ne4 Ne4 16.de4 Nf6 17.Nd3 Bb6 18.e5 Ne4 19.Rfd1 Qg5 20.Bf1 Be3 21.Bc1 Bc1-/+ 22.Rdc1 Rac8 23.f4 Qd8 24.Qb2 Qb6 25.Kh1 Rcd8 26.Rd1?? Rd3!–+ (26...Rd3 27.Bd3 Nf2 28.Qf2 Qf2–+) 0–1. Kreuzer,Uwe – Detter, tt Landesl, 1992.

8.Be2 a5 9.b5 a4 10.Qc2 Qd5 (better is 10...Bd7!?=) 11.Qc7+/– Qb3 12.Qc3 (12.Qb6?! Qb2 13.Qd4 Qc1 14.Bd1 Bd7=) 12...Qc3 13.Nc3 0-0 14.0-0 Nbd5 15.Nd5 Nd5 16.Bc4 Bd7 17.Ne5 Rfd8 18.Nd7 Rd7 19.Rfc1 Rc8 20.Be2 Rdc7 (20...Rc1 21.Bc1 Bf6 22.Rb1+/–) 21.Bd1 Nb6 22.Rc7 Rc7 23.d3 (23.Bd4 Nd5+–) 23...Rd7? (better is 23...Rc5+=) 24.Bd4+– Bf6 25.Bf6 (25.Bb6 Ba1 26.d4 e5-/+) 25...gf6 26.Be2 Rd5 27.d4 Rd8 28.Rc1 Rc8 29.Rc8 Nc8 30.f4 Kf8 31.Kf2 Ke7 32.e4 Kd6 33.Ke3 e5 34.g3 Nb6 35.Kd3 Ke6 36.Bg4 Kd6 37.Bh5 Ke6 38.fe5 fe5 39.de5 Nd7?! 40.Bg4 Ke7 41.Bd7 Kd7 42.Kd4 Ke6 43.g4 h6 44.h3 b6 45.h4 f6 46.ef6 Kf6 47.Kd5 (47.Kd5 Ke7 48.e5+–) 1–0. Cortijo Dominguez,D – Alvarez Alvarez,A, Valladolid CC Social, 1989. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.e3 Nbd7 5.Bb2 Be7 6.c4 dc4 7.Bc4 Nb6)

8.Be2 c5 9.bc5 Bc5 10.0-0 0-0 11.d4 Be7 12.Nc3 Nbd5 13.Rc1 b6 14.Nd5 Qd5 15.Ne5 Bb7 16.Bf3 Ne4 17.Qa4 b5 18.Qd1 Rac8 19.Nd3 Rc1 20.Bc1 Rc8 21.Nf4 Qc4 22.Bb2 Qc2 23.Qa1 Ba8 ½–½. Accensi Estrada,Miguel Angel (2230) – Ramos Lor,Josep (2065), Tortosa op, 1996. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 Be7 5.e3 Nbd7 6.c4 dc4 7.Bc4 Nb6)

7.b5 0-0 A) 8.cd5 A1) 8...Nd5 9.Qc2 (9.e4 Nf4 10.d4 Qc7 11.Qc2 Qa5 12.Qd2 Qd2 13.Nbd2 Rd8 14.dc5=; 9.Bd3 a6 10.ba6 b6 11.Qa4 Bf6 12.Qe4 g6 13.Nc3 Ba6 14.Ba6=+; 9.d4 a6 10.e4 N5f6 11.Nc3 Qa5 12.Qc2 Rd8 13.e5 Nd5 14.Bd3=; 9.Nc3 a6 10.ba6 b6 11.Nd5 ed5 12.Bb5 Nb8 13.0-0 Ba6 14.a4=) 9...Bf6 10.Nc3 Ne5 11.Ne5 Be5 12.Bd3 f5 13.0-0 Qd6 14.f4=; A2) 8...ed5 9.Nc3 (9.Be2 a6 10.Nc3 ab5 11.Bb5 Qb6 12.d4 c4 13.0-0 Qe6 14.a4=+; 9.Qc2 a6 10.ba6 ba6 11.Be2 Rb8 12.Nc3 Re8 13.0-0 Bd6 14.Rab1=+) 9...Re8 10.Be2 Nb6 11.Qc2 d4 12.Nd1 Qd5 13.0-0 Bd6 14.Re1=; B) 8.d4 B1) 8...Re8 9.cd5 ed5 10.dc5 Nc5 11.Be2 a6 12.0-0 ab5 13.Bd4 Nfe4 14.Qc2=; B2) 8...Ne4 9.Qc2 (9.Nbd2 Qa5 10.Bd3 cd4 11.ed4 Ndf6 12.0-0 dc4 13.Be4 c3 14.Bc3=; 9.dc5 Ndc5 10.cd5 Qa5 11.Nbd2 ed5 12.Nd4 Na4 13.Bc1 Be6 14.N4b3-/+; 9.Be2 Qa5 10.Nbd2 dc4 11.Bc4 Nd6 12.Qb3 Nc4 13.Qc4 Nb6 14.Qc3=+; 9.Bd3 cd4 10.Bd4 Qa5 11.Nbd2 Ndc5 12.Be4 Ne4 13.0-0 Nd6 14.Bc5=; 9.cd5 ed5 10.dc5 Qa5 11.Nbd2 Ndc5 12.h3 Bd7 13.a4 a6 14.Be2=+) 9...a6 10.ba6 ba6 11.Bd3 Nef6 12.Nbd2 Rb8 13.0-0 cd4 14.Bd4=; B3) 8...Bd6 9.Nc3 (9.cd5 Nd5 10.Nc3 Nc3 11.Bc3 Qe7 12.dc5 Nc5 13.Qd4 f5 14.Rd1=) 9...Qa5 10.Qd2 cd4 11.Nd4 Ne5 12.cd5 ed5 13.Be2 Nc4 14.Bc4+=; B4) 8...b6 9.cd5 ed5 10.dc5 bc5 11.Be2 Qa5 12.Bc3 Qb6 13.0-0 a6 14.a4=; B5) 8...a6 9.cd5 (9.dc5 Nc5 10.Nc3 ab5 11.cd5 Qa5 12.d6 Rd8 13.de7 Rd1 14.Rd1-/+) 9...Nd5 10.e4 N5f6 11.Nc3 Qa5 12.Qc2 Rd8 13.e5 Nd5 14.Bd3=; C) 8.Nc3 C1) 8...a6 9.Qc2 (9.ba6 ba6 10.Be2 Bb7 11.cd5 Nd5 12.Qc2 Rb8 13.0-0 Nc3 14.Bc3=; 9.cd5 ed5 10.ba6 ba6 11.Be2 Rb8 12.Qc2 Re8 13.0-0 Bd6 14.Rab1=+; 9.Rb1 dc4 10.Bc4 Nb6 11.Be2 ab5 12.Nb5 Nfd5 13.0-0 Bd7 14.Qb3=) 9...ab5 10.cd5 b4 11.ab4 Ra1 12.Ba1 cb4 13.de6 bc3 14.ed7=; C2) 8...Re8 9.d3 (9.Be2 dc4 10.Bc4 Nb6 11.d3 Nc4 12.dc4 Qc7 13.0-0 Bd6 14.Qe2=; 9.Rc1 Nb6 10.Na4 Nfd7 11.cd5 ed5 12.Be2 c4 13.0-0 a6 14.Nc3=+) 9...Qa5 10.Be2 dc4 11.dc4 Rd8 12.0-0 a6 13.Qc2 b6 14.Rfd1=; C3) 8...Nb6 9.Qb3 (9.d3 a6 10.ba6 ba6 11.Be2 Rb8 12.Rb1 dc4 13.dc4 Bb7 14.Qc2=) 9...Qd6 10.Rc1 Rd8 11.Na4 Ne4 12.Nb6 Qb6 13.Qc2 a6 14.ba6=.

7.b5 a6 A) 8.d4 0-0 9.cd5 Nd5 10.e4 N5f6 11.Nc3 Qa5 12.Qc2 Rd8 13.e5 Nd5 14.Bd3=; B) 8.ba6 ba6 9.Nc3 (9.Be2 Rb8 10.Qc2 Qb6 11.Bc3 0-0 12.0-0 Rd8 13.Rc1 Bb7 14.cd5=+; 9.Qc2 Rb8 10.Nc3 Bb7 11.cd5 ed5 12.Be2 d4 13.ed4 Bf3 14.Bf3=; 9.Bd3 Rb8 10.Qc2 Bb7 11.0-0 d4 12.Be2 e5 13.d3 0-0 14.Re1=+) 9...0-0 10.Be2 Bb7 11.cd5 Nd5 12.Qc2 Rb8 13.0-0 Nc3 14.Bc3=; C) 8.cd5 ed5 9.Nc3 (9.Be2 0-0 10.ba6 b6 11.0-0 Ba6 12.d3 Re8 13.Nc3 Bd6 14.a4=; 9.Qc2 0-0 10.ba6 ba6 11.Nc3 Re8 12.Be2 Rb8 13.0-0 Bd6 14.d3=+; 9.ba6 ba6 10.Nc3 Rb8 11.Rb1 0-0 12.Be2 Re8 13.0-0 Bd6 14.Qc2=+) 9...0-0 10.ba6 ba6 11.Be2 Rb8 12.Qc2 Re8 13.0-0 Bd6 14.Rab1=; D) 8.Nc3 D1) 8...b6 9.d4 (9.Be2 dc4 10.Bc4 ab5 11.Nb5 0-0 12.0-0 Bb7 13.Rb1 Bc6 14.Qe2=; 9.Rc1 0-0 10.d4 ab5 11.cd5 b4 12.ab4 cb4 13.de6 bc3 14.ed7=; 9.Rb1 0-0 10.cd5 ed5 11.Be2 ab5 12.Bb5 c4 13.0-0 Nc5 14.Nd4=+; 9.d3 ab5 10.Nb5 Ba6 11.Be2 0-0 12.0-0 Bb5 13.cb5 Ng4 14.Qc2=; 9.cd5 ed5 10.ba6 Ba6 11.Ba6 Ra6 12.d3 0-0 13.0-0 Bd6 14.Nb5=) 9...0-0 10.dc5 Nc5 11.cd5 ed5 12.Rc1 Bg4 13.h3 Bh5 14.g4=; D2) 8...0-0 9.Qc2 (9.Rb1 Nb6 10.cd5 ed5 11.ba6 ba6 12.Qc2 Rb8 13.Be2 Bd6 14.0-0=; 9.cd5 ed5 10.ba6 ba6 11.Be2 Rb8 12.Qc2 Re8 13.0-0 Bd6 14.Rab1=+; 9.Rc1 dc4 10.Bc4 Nb6 11.Be2 ab5 12.Nb5 Bd7 13.Qb3 Ra5 14.Bf6=+; 9.ba6 ba6 10.Be2 Bb7 11.cd5 ed5 12.0-0 Rb8 13.Qc2 Re8 14.Rab1=) 9...ab5 10.cd5 b4 11.ab4 Ra1 12.Ba1 cb4 13.de6 bc3 14.ed7=.

7.b5 Nb6 A) 8.cd5 ed5 9.Be2 (9.Qc2 Be6 10.Be2 Nc4 11.Bc4 dc4 12.Ne5 a6 13.Qa4 0-0 14.Nc3=+; 9.Ne5 Bd6 10.Be2 0-0 11.0-0 Re8 12.f4 Bf5 13.a4 a5 14.d3=+) 9...0-0 10.Qc2 Re8 11.0-0 c4 12.a4 a5 13.Nc3 Bg4 14.Rac1=; B) 8.Qb3 B1) 8...a6 9.Ne5 dc4 10.Nc4 0-0 11.d4 Bd7 12.dc5 Nc4 13.Bc4 ab5 14.Bd3=; B2) 8...0-0 9.d4 (9.d3 a6 10.Nc3 ab5 11.Nb5 Bd7 12.Be2 Na4 13.0-0 Nb2 14.Qb2=+) 9...Bd7 10.Nbd2 Rc8 11.Bd3 dc4 12.Nc4 Nc4 13.Bc4 cd4 14.Bd4=; B3) 8...Nc4 9.Bc4 dc4 10.Qc4 a6 11.ba6 b6 12.Qb5 Bd7 13.Qe2 0-0 14.Ne5=+; B4) 8...Bd7 9.d3 a6 10.a4 ab5 11.cb5 0-0 12.Be2 Bc8 13.0-0 Nbd7 14.Qc3=; B5) 8...dc4 9.Bc4 Nc4 10.Qc4 a6 11.ba6 b6 12.Qb5 Kf8 13.a7 Ra7 14.d4=+; C) 8.Qc2 C1) 8...dc4 9.a4 (9.Bc4 Nc4 10.Qc4 a6 11.ba6 b6 12.Qb5 Kf8 13.a7 Ra7 14.d4=+; 9.Ne5 0-0 10.Nc4 Bd7 11.Nc3 Nbd5 12.Ne5 Bd6 13.Nd5 ed5 14.Nd7=) 9...0-0 10.a5 Nbd5 11.Bc4 Nb4 12.Qb3 a6 13.b6 Bd7 14.0-0=; C2) 8...Bd7 9.cd5 ed5 10.Be2 c4 11.a4 a5 12.0-0 0-0 13.d3 Bf5 14.Nd4=; C3) 8...0-0 9.cd5 (9.Ng5 Re8 10.Ra2 h6 11.Nf3 Nc4 12.Bc4 dc4 13.Bf6 Bf6 14.Qc4-/+; 9.Ne5 Bd6 10.Be2 Nfd7 11.Nd7 Qd7 12.cd5 ed5 13.0-0 Re8 14.Bd3=+; 9.d3 a6 10.ba6 Ra6 11.Be2 Na4 12.0-0 Nb2 13.Qb2 Qd6 14.d4=) 9...ed5 10.Be2 Bd6 11.Ng5 g6 12.0-0 Bf5 13.d3 Re8 14.Nf3=; C4) 8...a6 9.cd5 (9.ba6 ba6 10.Ne5 0-0 11.Nc6 Qd7 12.Ne7 Qe7 13.cd5 ed5 14.Nc3=+) 9...ed5 10.ba6 ba6 11.Be2 0-0 12.0-0 Re8 13.Nc3 Rb8 14.Rab1=; C5) 8...Nc4 9.Bc4 dc4 10.Qc4 a6 11.ba6 b6 12.Qb5 Bd7 13.Qe2 0-0 14.Ne5=+; D) 8.Ne5 D1) 8...0-0 9.d4 (9.Qc2 Bd6 10.Bd3 dc4 11.Nc4 Nc4 12.Bc4 b6 13.0-0 a6 14.Nc3=; 9.cd5 ed5 10.Be2 Re8 11.0-0 Bd6 12.f4 Bf5 13.a4 a5 14.d3=+) 9...Ne4 10.dc5 Nc5 11.cd5 f6 12.Nd3 Nd5 13.Nc5 Bc5 14.Bd3=; D2) 8...dc4 9.Qc2 (9.Nc4 0-0 10.d4 Nfd5 11.dc5 Bc5 12.Nc3 Bd7 13.Nb6 Nc3 14.Bc3=; 9.a4 0-0 10.a5 Nbd7 11.Bc4 Ne5 12.Be5 Bd6 13.Bd6 Qd6 14.0-0=; 9.Nc3 0-0 10.Nc4 a6 11.ba6 Ra6 12.Rb1 Nbd5 13.Qb3 Nc3 14.Bc3=) 9...0-0 10.Nc4 Bd7 11.Nc3 Nbd5 12.Ne5 Bd6 13.Nd5 ed5 14.Nd7=; D3) 8...Bd6 9.Qc2 (9.d3 a6 10.ba6 Ra6 11.d4 Na4 12.Bc1 cd4 13.ed4 Ra7 14.Bf4=; 9.f4 0-0 10.d3 dc4 11.Nc4 Nc4 12.dc4 a6 13.Bd3 ab5 14.cb5=; 9.cd5 ed5 10.Be2 0-0 11.0-0 c4 12.f4 a6 13.a4 Re8 14.Bh5=+) 9...0-0 10.Bd3 dc4 11.Nc4 Nc4 12.Bc4 b6 13.0-0 a6 14.Nc3=.

7.b5 Qc7 8.Qc2 (8.d4 cd4 (8...0-0 9.cd5 Nd5 10.e4 N5f6 11.Qc2 Qf4 12.Nbd2 Rd8 13.Bd3 cd4 14.Bd4=) 9.Qd4 e5 10.Qc3 e4 11.Nfd2 dc4 12.Bc4 Nc5 13.h3 Bd7 14.0-0=+; 8.Be2 0-0 9.cd5 ed5 10.0-0 Bd6 11.Qc2 Re8 12.Rc1 a6 13.ba6 ba6 14.d4=+; 8.cd5 ed5 9.Nc3 (9.Be2 0-0 10.0-0 Re8 11.Nc3 Bd6 12.Rc1 a6 13.d4 Qd8 14.dc5+=) 9...0-0 10.Be2 Re8 11.0-0 Bd6 12.Rc1 Nb6 13.Na4 Ng4 14.Nc5+=; 8.Nc3 A) 8...Bd6 9.d4 (9.cd5 ed5 10.Be2 0-0 11.0-0 Re8 12.Rc1 a6 13.d4 Qd8 14.dc5+=; 9.Rc1 0-0 10.d4 cd4 11.Qd4 Bc5 12.Qd2 dc4 13.Bc4 Be3 14.Qe3=+) 9...cd4 10.Qd4 e5 11.Qh4 dc4 12.Bc4 Nb6 13.Bb3 Nbd7 14.Ng5+=; B) 8...0-0 9.Rc1 (9.cd5 ed5 10.Be2 Re8 11.0-0 Bd6 12.Qc2 a6 13.Rfe1 c4 14.ba6=) 9...Rd8 10.cd5 ed5 11.Be2 Bd6 12.0-0 a6 13.d4 b6 14.dc5+=) 8...Bd6 (8...0-0 9.Bd3 a6 10.Nc3 Bd6 11.0-0 d4 12.Ne4 ab5 13.Nd6 Qd6 14.cb5=; 8...a6 9.ba6 (9.cd5 ed5 10.Nc3 0-0 11.ba6 ba6 12.Be2 Rb8 13.d3 Bd6 14.Rb1=+) 9...ba6 10.Nc3 Rb8 11.Rb1 0-0 12.Be2 Bd6 13.cd5 ed5 14.0-0=; 8...Qd6 9.Bd3 (9.d4 0-0 10.Nbd2 cd4 11.Nd4 Nc5 12.cd5 Nd5 13.Rd1 Rd8 14.Bc4=; 9.cd5 ed5 10.Be2 0-0 11.0-0 Re8 12.Nc3 a6 13.ba6 ba6 14.Rab1=; 9.Nc3 d4 10.Ne4 Ne4 11.Qe4 e5 12.Bd3 g6 13.ed4 ed4 14.0-0=) 9...dc4 10.Bc4 0-0 11.0-0 a6 12.Nc3 Nb6 13.Be2 Rd8 14.d4=) 9.g3 (9.Be2 0-0 10.cd5 ed5 11.0-0 Re8 12.Rc1 a6 13.ba6 ba6 14.d4=+; 9.Bd3 0-0 10.0-0 a6 11.Nc3 d4 12.Ne4 ab5 13.Nd6 Qd6 14.cb5=; 9.cd5 ed5 10.Be2 0-0 11.0-0 Re8 12.Rc1 a6 13.ba6 ba6 14.d4=+; 9.d4 cd4 10.Nd4 e5 11.Nf5 Bf8 12.Nd2 Nb6 13.Rc1 Be6 14.c5=) 9...Ne5 (9...0-0 10.Bg2 a6 11.ba6 b6 12.cd5 ed5 13.Nc3 Ra6 14.Ng5=) 10.Ne5 (10.Be2 0-0 11.cd5 Nd5 12.Ne5 Be5 13.d4 cd4 14.Qc7=) 10...Be5 11.d4 (11.Ra2 Bb2 12.Rb2 0-0 13.Bg2 d4 14.0-0=) 11...Bd6 (11...cd4 12.ed4 Bd6 13.Nd2 e5 14.Qb3=) 12.Bd3 (12.cd5 ed5 13.dc5 Bc5 14.Bf6+=) 12...cd4 13.Bd4 (13.ed4 dc4 14.Qc4=+) 13...e5 14.Bb2 e4 15.Be2 Be5 16.Nd2 Be6 17.0-0 Rc8 18.Rac1 0-0 19.Qb3 Qa5 20.Rfd1 Bb2 21.Qb2 Rfd8 (21...dc4 22.Nc4 Bc4 23.Bc4=) 22.cd5 (better 22.Nb3!? Qb6 23.c5+–) 22...Rc1 23.Qc1 Bd5 24.Qc5 Rd7 (better 24...Be6 25.Qc2 g6=+) 25.Ne4?? (better 25.Nc4 Qc7 26.Qa7+–) 25...Be4 (better 25...Ne4 26.Qc8 Rd8–+) 26.Qc8 Qd8 (26...Rd8 27.Qd8 Qd8 28.Rd8 Ne8 29.Re8) 27.Qd8 Rd8 28.Rd8 Ne8 29.Re8 1–0. Miner,P Allen – Tuttle,Anthony, 1st Thanksgiving Open, Stillwater USA, 2009.

7.bc5 Nc5 8.Nc3 Nce4 9.Be2 b6 10.0-0 Bb7 11.cd5 Nc3 (11...Bd5? 12.Ne4 Be4 13.Qa4 Kf8 14.Bf6 Bf6 15.Qe4 Ba1 16.Ra1+–) 12.Bc3 Bd5 13.Bb5 Nd7?? (better is 13...Kf8+=) 14.Ne5+– (14.Bg7?! Rg8 15.Bd4 Bf6+/–) 14...0-0 (14...Bf6 15.Bd7 Kf8 16.Qa4+–) 15.Nd7 (15.Bd7?! f6 16.Be6 Be6+–) 15...a6 16.Nf8 (better is 16.Qg4 g6 17.Ba4 b5+–) 16...ab5 17.Nh7! Kh7 18.Qh5 Kg8 19.Qg4 Bg5 20.f4 f5 21.Qg5 (21.Qg5 Qg5 22.fg5+–) 1–0. Fournier,Frederic – jesusricardo, Active, 2008.

7.cd5 ed5 8.b5 0-0 9.a4 b6 10.g3 Bb7 11.Bg2 c4 12.0-0 Re8 13.Nc3 Nc5 14.d4 Nd3 15.Ba3 Ba3 16.Ra3 Qe7 17.Qa1 Ng4 18.Nd1 Qd6 19.h3 Nf6 20.Ne1 Ne1 21.Re1 Ne4 22.Nc3 Nd2 23.Ra2 Nb3 24.Qb1 Rad8 25.Rd1 Qf6 26.Rf1 Qd6 27.Qc2 Re6 28.Nd1 Qe7 29.Nc3 g6 30.Ne2 Red6 31.h4 Bc8= 32.Nf4 Na5 33.Rfa1 Bf5 34.Qc3 h6 35.Qb4 Qf6 36.Ne2 g5 37.hg5 hg5 38.Kf1 Kg7 39.Ke1 Qh6 40.f3 Qe6 41.Kf2=+ Re8 42.Qc3 Bd3-/+ 43.e4 de4 44.d5 Qf6–+ 45.Nd4?? Rd5 46.Ne2 Qc3 47.Nc3 e3 48.Kg1 Rde5 49.Re1 Nb3 50.Ne4 e2 51.Kf2 g4! 52.Nd2 Nd4 53.f4 Rc5 54.a5 c3 55.ab6 ab6 56.Nb1 Bb1 57.Rb1 c2 58.Rc1 e1Q! (58...e1Q 59.Re1 Re1 60.Rc2 Nc2–+) 0–1. Fabus,Marian (1810) – Rakay,Kvetoslav (2110), SVK–ch, 2005.

7.Qc2 0-0 8.Nc3 b6 9.Rc1 Bb7 10.cd5 cd5 11.d4 Rc8 12.Qa4 a6 13.b5 a5 14.Bd3 Bd6 15.0-0 Qe7 16.Qb3 Rc7 17.Na4 Rfc8 18.h3 h6 19.Rc7 Rc7 20.Rc1 Qd8 21.Rc3 Qc8 22.Rc7 Qc7 23.Qc2 Qc2 24.Bc2 Kf8 ½–½. dragonpower (2135) – rhand (2230), net–chess.com, 2003.

7.Qc2 0-0 8.d3 b6 9.Nbd2 Bb7 10.Be2 c5 11.b5 a6 12.a4 ab5 13.ab5 Ra1 14.Ba1 dc4 15.dc4 e5 16.Ne5 Bg2 17.Rg1 Bh3 18.Rg3 Ne5 19.Be5 Be6 20.Ne4 g6 21.Nf6 Bf6 22.Qc3 Be5 23.Qe5 Qh4 24.Qc7 Qd8 25.Qe5 Bf5 26.e4 Re8 27.Qe8 Qe8 28.ef5 Qe5 29.fg6 hg6 30.Kf1 Qe4 31.Rf3 f5 32.h3 Kg7 33.Ke1 f4 34.Rd3 g5 35.f3 Qe6 36.Kd2 Qh3 37.Rd6 Qh8 38.Bd3 Kf7 39.Rb6 Qb2 40.Kd1 Qa1 41.Ke2 Qb2 42.Kd1 Qc3 43.Rd6 Qa1 44.Kd2 Qg1 45.Be4 Qe3 46.Kc2 g4 47.Bd5 Kg7 48.fg4 Qe2 49.Kc1 f3 50.Rd7 Kg6 0–1. orangutandu – afrim04, internet, 2013.

7.Nc3 a5 8.b5 =.

7.Nc3 a6 8.Be2 dc4 9.Bc4 b5 10.Be2 c5 11.bc5 Nc5 12.0-0 Nd3 13.Bd3 Qd3 14.Re1 (14.Ne5 Qf5 15.f4 Qh5=) 14...0-0 15.Rc1 Bb7 16.Ne5 Qd5?? (better is 16...Qd6 17.d4 Rac8+=) 17.Nd5+– Nd5 (17...Bd5 18.Nc6 Bc6 19.Rc6+–) 18.Nd7 (better is 18.e4 f6 19.ed5 Bd5+–) 18…Rac8 1–0. Fournier,Frederic (2000) – kaos02 (1940), Active (5/2), 2004.

7.Nc3 b6 8.cd5 cd5 9.Be2 0-0 10.–0 Bb7 11.Qb3 a5 12.Nb5 ab4 13.ab4 Nb8 (13...Qb8 14.Rac1+/–) 14.Ra8+/– Ba8 15.Rc1 Nc6 16.Ne5 Ne5 17.Be5 Ne4 18.Qb2 f6 (18...Bf6 19.Bf6 Qf6 20.Qf6 Nf6 21.Rc7+/–) 19.Bc7 Qd7 20.Bb6 Bc6 (20...Rc8!? 21.Rc8 Qc8+/–) 21.Nd4+– Rc8 22.Rc6 (22.Nc6?! Rc6 23.Rc6 Qc6+/–) 22...Rc6 23.Bb5 Qb7 24.Nc6 Qb6 25.Ne7 Kf7 26.Nd5! ed5 (26...Qb5 27.Nc3 Nc3 28.dc3+–) 27.Bd3 Nc5?? (27...g6+–) 28.Qd4 Na4 (28...Nd7 29.Qd5 Ke7+–) 29.Qd5 Qe6 (29...Ke7 30.Bb5 Qc7 31.Qe4 Qe5 32.Qe5 fe5 33.Ba4+–) 30.Qb7 Qe7 (30...Ke8 31.Qa8 Ke7 32.Qa4+–) 31.Bc4 Kf8 32.Qb8 Qe8 33.Qe8 Ke8 34.Bb5 (34.Bb5 Ke7 35.Ba4+–) 1–0. kostini (1900) – jeich (1865), gameknot.com, 2014.

7.d4 0-0 8.Nbd2 a5 9.b5 cb5 10.cb5 b6 11.Bd3 Bb7 12.0-0 Rc8 13.Rc1 Rc1 14.Qc1 Qb8 15.Qb1 Bd6 16.h3 h6 17.Rc1 Qa8 18.Ne5+= Be5 19.de5 Ne4 20.Nf3 Ndc5= 21.Bd4 Qa7 22.Be4 de4 23.Bc5+/– Rc8 24.Bb6+– Rc1 25.Qc1 Qb6 26.Nd4 f6 27.ef6 gf6 28.a4 Kf7 29.Qd1 Qd6 30.Qh5 Kg7 31.Qe8 Bd5 32.h4 Qb4 33.Ne6 Be6 34.Qe6 Qe1 35.Kh2 Qf2 36.Qe4 Qd2 37.Qd4 Qc1 38.Kh3 Qh1 39.Kg3 Qe1 40.Kh2 Qc1 41.b6 Qc6 42.e4 Qe8 43.Qc4 Qb8 (43...Kf8 44.Qc5 Kg8+–) 1–0. Bartle,Georg (1720) – Reichardt,Bernd, Oberwinden GER Open, 2007.

7.d4 0-0 8.Nbd2 dc4 9.Nc4 Nb6 10.Nb6 Qb6 11.Ne5 =.

7.d4 0-0 8.Nbd2 Ne4 9.Bd3 f5 10.0-0 Qe8 11.Rc1 Qg6 12.Qc2 Kh8 13.c5 Nd2 14.Nd2 Bf6 15.Nf3 a6 16.a4 Qg4 17.Ra1 g5 18.b5 Qh5 19.Ne5 Ne5 20.de5 Bg7 21.f4 Bh6 22.Qd2 Rg8 ½–½. Schalkwijk,P – Boehnke,H, DESC, 2002.

7.d4 a5 8.Nbd2 (8.b5 a4=) 8...ab4+= 9.c5 (9.ab4!? Ra1 10.Qa1 Bb4 11.Bc3+=) 9...ba3-/+ 10.Ra3 Ra3 11.Ba3 b5 (11...b6 12.cb6 Ba3 13.Qa4-/+) 12.Nb3 Qc7 13.Bb4 0-0 14.Qa1 Qb8 (14...Bb7 15.Ba5 Qb8 16.Be2-/+) 15.Na5 Bb7 16.Nd2 Qa7 17.Ndb3 (17.Bd3 Bc8+=) 17...Ra8 18.Qb2 Ne4 (18...Nb6!?-/+) 19.Bd3 Nec5 (better is 19...Nb6 20.Nd2 Na4+=) 20.dc5+= Nc5 21.Bc5 Bc5 22.0-0 Be7 (better is 22...Bb6 23.Ra1 Qb8+=) 23.Ra1?? (better is 23.Qc2 c5 24.Nb7 Qb7 25.Nc5+–) 23...Bf6–+ 24.Nd4 c5?? (better is 24...e5 25.Nb5 cb5–+) 25.Nab3+– Qa1? (better is 25...Ba6 26.Bb5 Qb8 27.Ba6 cd4 28.ed4 Bd4 29.Qd4 Qb3+/–) 26.Na1 cd4 27.ed4 Ra4 28.Nc2 Ba6 29.Bb5 Bb5 30.Qb5 Ra8 31.Qb7 Rf8 32.Kf1 g6 33.Ke2 Re8 34.f4 h5 35.Kf3 Kg7 36.h3 Re7 37.Qc6 Ra7 38.Qc3 Bd8 39.g4 Rc7 40.Qd3 Rc4 41.Ne3 White plans f5 41...hg4 42.hg4 Rc1 43.f5 Ba5 44.fe6 fe6 45.Qa6 Bd2 46.Qe6 Re1 47.Qe5 Kh7 48.Qh2 (48.Qh2 Kg7 49.Qd2+–) 1–0. phildo (1905) – jeich (1865), gameknot.com, 2014.

8.d4 a5 9.b5 cb5 10.Nb5 b6 11.cd5 ed5 12.Bd3+= Ba6 13.0-0 Qe8? 14.Nc7+– Qc8 15.Na8 Qa8 16.Rc1 b5 17.Qc2 Nb6 18.Qc7 Bd8 19.Qc6 Nc4?? 20.Qa8 Nb2 21.Be2 b4 22.Qa6 ba3 23.Ne5 a2 24.Nc6 Bc7 25.Ne7 Kh8 26.Rc7 Na4 27.Rc8 (27.Rc8 Ne8 28.Qc6+–) 1–0. b4_player – GUGO2007, gamecolony.com, 2007.

8.d4 b6 =.

8.d4 dc4 9.Bc4 Qb6 =.

8.d4 dc4 9.Bc4 Rb8 =.

8.d4 Qc7 9.cd5 Nd5 10.Bd3 N7f6 11.0-0 Nc3 12.Bc3+= b5 13.Qc2+/– h6 14.Ne5 Bd6 15.f4 Nd5 16.Bd2 Bb7 17.e4 Nf6 18.a4 a6 19.Qb3 Qe7 20.Qb2 Rfd8 21.Rfc1 Rac8 22.h3 Bb8 23.Ra2 Ba7 24.Be3. pierre – coae, internet, 2009.

8.cd5 cd5 9.Be2 =.

9.Rc1 a6 10.Be2= Re8 11.h3 Bd6 12.0-0 Qe7 13.Nh2 a5-/+ 14.b5 Ba3 15.Ba3 Qa3 16.bc6 bc6 ½–½. Lauer,C – Grobelsek,A, Bled, 2004.

9.Be2 Bd6 =.

9.Be2 Ne4 10.0-0 Ndf6 11.d3 Nd6 12.Qb3 Be6 13.Nd4 Qc7 14.e4+= Nd7? 15.f4 Nb6+/– 16.Rac1 Qc8+= 17.f5 Bd7 18.a4 Rb8?? 19.a5+– Na8 20.Nd5! Bg5 21.Rc2 Qe8 22.Nc3?? Be3–+ 23.Kh1 Bd4 24.Nd1 Bb2 25.Qb2 f6 26.Nf2 Nc7 27.Rg1 Ncb5 28.g4 Qe5 29.Qc1 Nd4 30.Ra2 N6b5 31.g5 Ne2 32.Re2 Bf5 (32...Bf5 33.gf6 Rf6–+) 0–1. Carzolio,L – Frilli,G, Lucca, 2000.

9.Be2 Re8 10.0-0 Bd6 11.Qc2 =.

9.Be2 Re8 10.0-0 Nf8 11.Qb3 Bg4 12.h3 Bf3 13.Bf3 Ne6 14.d4 Ng5 15.Be2 Nge4 16.Rad1 Nc3 17.Bc3 Ne4 18.Bf3 Nc3 19.Qc3= a5 20.Rb1 ab4 21.ab4 Ra4 22.Bd1 Ra6 23.b5+= Ra3 24.Qc2 cb5 25.Rb5+/– Qd7 26.Qb1 Rb8 27.Bf3+– Ra1 28.Qa1 Qb5+/– 29.Qa2 Rd8 30.Rb1 Qc6 31.Qb3 Rd7 32.Qb5 g6 33.Qc6 bc6 34.Rb8 Kg7 35.Rc8+/– Rd6 36.Bd1 Kf6 37.Ba4 Ke6 38.Bc6 Rd8 39.Rd8 Bd8 40.Kf1 f5 41.Ke2 Bg5 42.g3 Bf6 43.f4 g5 44.Kf3 gf4+/– 45.Kf2 Bg7 46.g4 fg4 47.hg4= h6 48.Be8 Bf6 49.Kf3 Bg5? 50.Ke2 Bh4? 51.Kd3?? Bg3 52.Bg6 Bf2?? 53.Bf5 Kd6 54.e4 de4 55.Ke4 Be1 56.Kd3 Bf2 57.Be4 Be1 58.Ke2 Bc3 59.Kd3 Be1 60.Bg2 Bf2 61.Ke4 Be1 (61...Be3 62.d5+/–) ½–½. Buck,K – Giaracuni,C, Arco di Trento, 2006.

8.Bb5 0-0 9.Qc2 a6 10.Bd3 Ne4 11.Be4+= de4 12.Qe4 Nf6 13.Qc2 Bd7+= 14.0-0 Bc6 15.d4 Bf3= 16.gf3 Rc8 17.Nc3 Nd5 18.Qb3 b5 19.Ne4 a5 20.ba5+= Qa5 21.Rfc1 Qb6 22.Ng3 Bh4 23.Qd3 b4 24.ab4 Nb4 25.Qe4 Bf6 26.Nh5 Rc1 27.Rc1 Qd8 28.Ba3+– Qa5 29.Nf6 gf6 30.Bb4 Qb4 31.Kh1 f5?? 32.Rg1 Kh8 33.Qe5 f6 34.Qe6 Qb7 35.Qf5 h6 36.Rg6 1–0. Wall,Bill – AllAngles, internet, 2000.

8.Bb5 a6 9.Be2 =.

8.Nc3 0-0 9.Be2 e5 10.0-0 ½–½. Fournier,Frederic (1810) – piecita (1870), Active (1/0), 2005.

8.Be2 0-0 =.

8.Be2 a5 =.

8.g4 h6 9.h4 b6 (9...Ng4 10.Bg7 Rg8 11.Bc3+=) 10.Rg1= Rg8 11.g5 hg5 12.hg5 (worse is 12.Ng5 a5+=; worse is 12.Rg5 a6=) 12...Ne4 13.g6 f6 14.Bb5 Kf8 (better is 14...Bb7=) 15.d3 Nd6 16.Bc6 Rb8 17.Nd4 Ne5 18.f4 Nc6 19.Nc6 Qc7 20.Nb8 Qb8 21.Rh1 Bd7 22.Rh7 Ne8 (22...Nf5 23.Qf3 Be8 24.Rh3+–) 23.Qh5 Bd6 24.Rh8 (24.Nd2 Ke7+–) 24...e5 (24...Rh8 25.Qh8 Ke7 26.Qh5+–) 25.Nd2 (better is 25.Rg8!? Kg8 26.d4 Qb7 27.de5 fe5 28.fe5 Bb8+–) 25...ef4?? (better is 25...Rh8 26.Qh8 Ke7+–) 26.Qd5 1–0. Deus Filho,Joaquim De (2015) – Diniz,Paulo Nobile (1785), Sao Paulo BRA, 3rd IRT Open, 2013.

8.Bd3 Ne4 9.Qc2 Ndf6 10.Nc3 Bg4 11.Ne4+/– Ne4 12.Be4 de4 13.Qe4 Bf3 14.Qf3 0-0 15.Qg4 Bf6 16.Bf6 Qf6 17.d4 Rfe8 18.0-0 Re7 19.h3 Rae8 20.Rac1 Re4 21.Qg3 a6 22.Rc3 R4e7 23.Rfc1 Re6 24.Qg4 Rd8 25.g3 Re7 26.Rc5 Re6 27.Rf5 Qe7 28.Rcc5 b6 29.Rce5 h6 30.Rh5 Re5 31.Re5 Qd6 32.Qe4 g6 33.Re7 c5 34.bc5 bc5+/– 35.Re8 Re8 36.Qe8 Kg7 37.dc5 Qc5 38.a4 Qc7 39.e4 g5 40.Kg2 h5 41.e5 Qb7= 42.Kg1 h4 43.gh4 Qb1 44.Kh2 Qf5 45.Kg2 Qe4 46.f3 Qe2=+ 47.Kg3 Qe1 48.Kg2 gh4 49.Qc6 Qg3 50.Kf1 Qh3 51.Ke2 Qh2 52.Kf1 Qe5 53.Qa6 h3 54.Qb5 Qe3 55.Qh5 Qc1 56.Ke2 Qb2 57.Ke3 Qb6-/+ 58.Ke2 h2 59.Qe5 Kg6 60.Qg3 Kf6 61.Qh4 Kg7 62.Qg4 Qg6 63.Qd4 Kh7 64.Qh4 Kg8 65.Qd8= Kg7 66.Qd4 f6 67.Qa7 Qf7 68.Qd4 h1Q 69.Qg4 Kf8 (69...Kf8 70.Qc8 Qe8 71.Qe8 Ke8–+) 0–1. marus – jentor, internet, 2001.

8.Be2 0-0 9.0-0 Re8 10.d4 a6 11.Nbd2 Bd6 12.Qc2 Ne4 13.Bd3 f5 14.g3 Qf6 15.Rfe1 g5 16.Nf1 g4 17.Nh4 Nf8 18.f3 gf3 19.Nf3 Ng6 (19...Qg6 20.Rac1+=) 20.Qg2 (20.N1d2 Qe6=) 20...Re7 21.Be4 (better is 21.N1d2!?+=) 21...fe4–+ (worse is 21...de4 22.N3d2+=; worse is 21...Re4 22.N1d2 Re6 23.Qf2+=) 22.N3d2 Rf7 23.Re2 Rg7 24.Ne4 (24.Rf2!? Bf5 25.Bc3-/+) 24...de4–+ 25.d5 Be5 26.Rf2 Bf5 27.Nd2 (27.dc6 Nh4! 28.cb7–+) 27...Bb2 28.Ne4 Qe5 (28...Qe5 29.Nf6 Qf6 30.Rb2 Nh4–+) 0–1. Fournier,Frederic (1880) – Benbara,Brahim (2140), Open Club608, 2011.

8.Be2 0-0 9.0-0 h6 10.d3 Re8 11.Nbd2 Nf8 12.Re1 N6h7 13.Qb3 Bf6 14.Rac1 Bb2 15.Qb2 a6 16.Bf1 Ng5 17.Ng5 Qg5 18.Nf3 Qe7 19.e4 de4 20.Re4 Qd8 21.Re8 Qe8 22.Re1 Qd8 23.d4 Bg4 24.Re3 Be6 25.Ne5 Nd7 26.Nd7 Qd7+= 27.Rg3 f6 28.Qc3 Rd8 29.Rd3 Qd5 30.Rd1 Qf5 31.Bd3 Qg5 32.f3 Kh8 33.Kf2 Qh4-/+ 34.Kg1 Qd4 35.Qd4 Rd4 36.Be2 Rd1 37.Bd1 Kg8 38.Kf2 Kf7 39.Ke3 g6 40.Kd4 Ke7 41.Kc5 Kd7 42.Kb6 Kc8 43.Bc2 f5 44.g3 Kb8 45.f4 Bd5 46.a4 Bc4 47.a5 Bd5 48.Bd3 Kc8 49.Be2 h5 50.h4 Kb8 51.Bd3 Kc8 52.Be2 Be4 53.Bc4+= Bd5 54.Bd5 cd5 55.Kc5 Kd7?? 56.Kd5+– Ke7 57.Ke5 Kd7 58.Kf6 Kc6 59.Kg6 Kb5 60.Kf5 Kb4 61.Ke5 Ka5 62.f5 b5 63.f6 b4 64.f7 b3 65.f8Q b2 66.Qa3 Kb5 67.Qb2 Ka4 68.Qa2 Kb5 69.Kf5 a5+– 70.Kg5 a4 71.Kh5 Kb4 72.Kg5 a3 73.h5 Kc3 74.Qa3 Kd2 75.h6 Ke2 76.h7 Kf2 77.h8Q Kg2 78.Qhb2 Kh3 79.g4 1–0. Fournier,Frederic (1615) – petiribi (1740), Active, 2006.

8.Be2 Bd6 =.

8.Be2 Nf8 9.0-0 Bg4 10.d3 Bf3 11.Bf3 Ne6 12.Nd2 0-0 13.Re1 Bd6 14.g3 Qe7 15.e4 de4 16.de4 Bc7 17.Qc2 Ng5 18.Bg2 Be5 (18...Rad8 19.Nc4+=) 19.Be5+/– Qe5 20.f3 (20.Nc4!? Qe7 21.e5+/–) 20...Qd4= 21.Kh1 Rad8 (21...Qf2!?=) 22.Nc4+/– Qd3 23.Qd3 Rd3 24.Re3 (24.e5 Nd5 25.f4 Ne6+/–) 24...Rfd8 25.Rd3 Rd3 26.f4 (better is 26.e5 Ne8 27.f4+=) 26...Nge4-/+ 27.Be4 (27.Re1 Nc3-/+) 27...Ne4 28.Re1 Nf6 (28...f5!? 29.Kg2 g6-/+) 29.Re7+= g6 (better is 29...Rd7!? 30.Rd7 Nd7+=) 30.Rb7+= Rc3 31.Ne5 Ra3 32.Nc6 a6 33.Ne5 Nd5 34.Nf7 Rb3 Exerts pressure on the isolated pawn 35.Ne5 Rb4 36.Rb4 (36.Ra7!? Ra4 37.Kg2+=) 36...Nb4+= 37.Nc4 Kg7 (37...Kf7 38.Kg2+=) 38.Kg2= Nc6 39.Kf3 a5 40.Ke4 a4 41.Kd3 Kf6 42.Kc3 g5 43.fg5 Kg5 44.Nb6 Kg4 45.Na4 Kh3 46.Kd3 (better is 46.Nc5!?=) 46...Kh2-/+ 47.Nc5 Kg3 48.Ne4 Kf4 49.Nf6 h6 50.Ke2 Nd4 51.Kf2 Nf5 52.Kg2 Ne3 53.Kh3 Kg5 54.Ne4 Kg6 55.Ng3 Nd5 56.Kg4 Nf6 57.Kh4 Nh7 58.Nh5 Ng5 59.Nf4 Kf5 60.Nh5 Nf3-/+ 61.Kh3 Kg5 62.Ng3 Ng1 63.Kh2 Nf3 64.Kh3 Nd4 65.Ne4+= Kh5 66.Ng3 Kg6 67.Ne4 Nf5 68.Nf2 h5 69.Ng4 Kg5 Black plans h4 70.Nh2 Nd4+= 71.Nf1 h4 72.Nh2 Kh5 73.Nf1 Ne6 74.Nh2?? Nf4 0–1. Fournier,Frederic (1980) – NN, jeu.europe–echecs.com, 2013. (=1.Nf3 e6 2.a3 d5 3.b4 Nf6 4.Bb2 Be7 5.e3 Nbd7 6.c4 c6)

8.0-0 a6 9.d3 b5 10.Nbd2 h6 11.Nd4 Bb7 12.c5 e5 13.Nf5 Kh7 14.Qc2 g6 15.Ne7 Qe7 16.Nb3 (16.a4 ba4 17.Qa4 Rfb8+/–). marekt – ashkan, internet, 2005.

8.0-0 dc4 9.Bc4 a5 10.b5 =.

8.0-0 Ne4 9.d3 Ng5 10.Nbd2 Nf3 11.Nf3 (worse is 11.gf3 a5 12.Qb3 b5+=) 11...Bf6 12.Qc2 Bb2 13.Qb2 Nf6 14.cd5 cd5 (14...ed5 15.d4+=) 15.Rac1 Bd7 16.Rc3 Rc8 17.Rfc1 Rc3 18.Rc3 Bb5 19.Qc2 a5 (19...Qd6!?+=) 20.Rc5+/– Qb6 21.ba5 Qa5? (21...Qa6 22.a4 Bc6 23.d4+/–) 22.d4 (22.Qb2 Ra8 23.Rb5 Qa3 24.Qa3 Ra3 25.Rb7 Ra1 26.Bf1 Ra8+–) 22...Qa3? (better is 22...Ba4 23.Qh7! Kh7 24.Ra5 Bc2+–) 23.Rb5 Qa1 24.Rb1 Qa5 25.Rb7 Ne4 26.Rb1 h6 27.h3 Nc3 28.Rc1 Rc8 29.Qd2 Ne2= 30.Qe2?? Rc1–+ 31.Kh2 Rc8 32.Ne5 Qc3 33.Qf3 f6 34.Ng6 Kf7 35.Qh5 Qc2 36.Ne5 Ke7?? 37.Qf7 Kd6 38.Ng6 Rc7?? 39.Qf8= Kc6 40.Qe8 Kb6 41.Qb8 Ka5 42.Qa8 Kb4 43.Qb8 Ka3 44.Nf4+= Rc6 45.Qa7+/– Kb2 46.Qg7 Kc1 47.Qf6 Qd2? 48.Nd5! Rd6 49.Nf4 Kd1 50.Qh6 Qf2 51.Qh5 Kd2 52.Qa5 Kc2 53.Qc5 Kd2 54.Qd6 Qe3 55.Qe5 Qf3 56.gf3 (56.gf3 Kc2 57.h4 Kb3 58.h5 Kb4 59.h6 Kc4 60.h7 Kb4 61.h8Q Kb3 62.Qhb8 Kc2 63.Qe2 Kc3 64.Qbb2) 1–0. Fournier,Frederic (2015) – RENSI (1895), Echecs21 (5/5), 2004.

8.0-0 Re8 9.Nc3 (9.d3 a5 10.Qd2 Qc7=) 9...b6 (9...dc4 10.Bc4 b5 11.Be2=) 10.d4 (10.Nd4 Bb7=) 10...Bd6 (10...dc4 11.Bc4 Bb7 12.e4=) 11.Qb3 Rb8 12.Qa2 Bb7 13.c5 Bc7= 14.Rfc1 e5 15.Nb5 cb5=+ 16.c6 e4 17.Ne5 Ne5 18.de5 Ba8 19.ef6+= Qd6 20.g3 Bc6 21.a4 a6 22.ab5+= ab5 23.Qb3 Bd8 24.fg7 Bf6 25.Bf6 Qf6 26.Ra7 Rbd8 27.Bh5+/– Rd7 28.Rd7 Bd7 29.Qd5 Re5 30.Bf7+– Kg7 31.Qd7 Re7 32.Qg4 Kf7 33.Rc8 Qg6 34.Qf4 Kg7 35.Qf8# 1–0. Reis,Luis Sousa (2225) – Fernandes,Alvaro, Loures2, 1997.

8.d3 a5 9.c5 ab4 10.ab4 Ra1 11.Ba1 b6 12.d4 Ba6?? (better is 12...Nb8=) 13.Ba6+– Qa8 (13...bc5 14.dc5 Nc5 15.bc5 Qa5 16.Nbd2 Qa6 17.Bf6 Bf6+/–) 14.Qd3?? (14.Qa4 Qa7 15.Ne5 Ne5 16.de5 Ne4+–) 14...b5?? (better is 14...Nb8=) 15.Qa3+– Qa7 16.Bb5! Qa3 17.Na3 cb5 18.Bb2 Rb8 19.0-0 Ne4 20.Ra1 Bf6 21.c6 Nb6 22.Nb5 Nc4 23.c7 Rc8 24.Ne5 Be5 25.de5 Nb2 26.Nd6 Nd6 27.ed6 Nc4 28.d7 (28.d7 h6 29.dc8Q Kh7 30.Qf8+–) 1–0. Fournier,Frederic (1705) – foxyovid (1670), rated blitz game (5/0), 2002.

8.d3 b5 9.c5 a5 10.Nbd2 ab4 (10...Qc7 11.d4=) 11.ab4+= Bb7 12.0-0 Qc7 13.Qc2 Ra1 14.Ra1 Ra8 15.Nb3 Ra1 16.Ba1 e5 (16...Ng4 17.h3 Nge5 18.Nfd4+=) 17.Na5 (17.Qb2 e4 18.de4 de4+/–) 17...Ba8 18.Qb2 (18.Qc3 e4 19.de4 de4+/–) 18...d4 (better is 18...e4!? 19.Ne5 Nc5 20.Nac6 Bc6 21.bc5 Be8=) 19.ed4+/– ed4 20.Qd4 (better is 20.Qa3!?+/–) 20...Nc5 21.Nc6 Ne6 (21...Bc6!? 22.bc5 Bf3 23.Bf3 Bc5=) 22.Ne7+/– Qe7 23.Qb6 (better is 23.Qh4!?+=) 23...Bf3= 24.Bf6 (24.Bf3? Qb4 25.Qb8 Nf8–+) 24...gf6 (24...Qf6!? 25.Qb8 Nf8 26.gf3 Qe7+=) 25.Qb8 Nf8 26.Qg3+= Ng6 27.Qf3 Kg7 28.Qe4+/– Qa7 29.h4 Qa1 30.Kh2 Qc1 31.d4 Qe1 32.d5 Ne5? 33.f3 Kg8? 34.Bb5 Qf2 35.d6 f5 36.Qe5 Qh4 37.Kg1 Qb4 38.d7 Qb1 39.Kh2 (39.Kh2 Qd1 40.Qe7+–) 1–0. Fournier,Frederic (2215) – Cadet,Yves, Match Active, 2001.

8.cd5 Nd5 9.0-0 a5 =.

7.0-0 c5 8.b5 Qc7 9.c4 Rd8 10.Qc2 Ne4 11.d3 Nd6 12.Nbd2 b6 13.a4 Bb7 14.Rfc1 Bf6 15.d4 Nc4 16.Nc4 dc4 17.Qc4 Bd5 18.Qc2 Rac8 19.Bd3 Bf3 20.gf3 Nf8 21.Be4 Qb8 22.dc5 Rc5 23.Qe2 Bb2 24.Qb2 Rh5 25.f4= Nd7 26.Bc6 Nf6 27.Qe2 g5 28.Rc4 Rh4 29.Qb2 Ng4 30.Rd4 Rd4=+ 31.Qd4 gf4 32.ef4 Nh6 33.a5 ba5 34.Ra5= Nf5 35.Qe5 Qd8 36.Ra1 Rg4 37.Kh1 Qd2?? 38.b6!+– (38.b6 Qc2 39.Bd5 ed5 40.b7+–) 1–0. Grund,Karl – Mjunter,OA, corr ICCF EU–H–269, 1968.

7.0-0 c5 8.bc5 Nc5 9.d3 b6 10.Nbd2 Bb7 11.Nb3 Bd6 12.Nc5= bc5 13.c4 Rb8 14.Rb1 dc4=+ 15.dc4 Ne4 16.Ba1 Qc7 17.Qc2 f5 18.Rb3 Nf6=+ 19.g3 Qc6 20.Nh4?? Qh1# 0–1. De Pool,T – De Souza,E, Novi Sad, 1990.

7.0-0 c5 8.bc5 Nc5 9.Be5 =.

7.0-0 c6 8.d3 a5 9.ba5 Ra5 10.Nbd2 b5=+ 11.c4 bc4 12.dc4= Qb6 13.Nb3 Ra8 14.Qc2 Rb8 15.Bf6 Bf6 16.Rab1 Qa7 17.Nbd4 Bb7 18.cd5 cd5 19.Nb5 Qa5 20.a4 Rfc8=+ 21.Qd1 Ba6 22.Nfd4 Nc5-/+ 23.Re1 Ne4 24.Rc1 Rc1–+ 25.Qc1 Qa4 26.Qc7? Rf8 27.f3 Rc8–+ 28.Qf4 Bg5 29.Qg4?? Be3 (29...Be3 30.Kh1 Nf2 31.Kg1 Ng4 32.Kh1 Nf2 33.Kg1 Nd3 34.Kf1 Ne1–+) 0–1. Kuhmann,Heinz (1635) – Petersammer,Georg (1810), Nuremberg Zabo op 4th, 2002.

7.0-0 c6 8.Ne5 c5 =.

7.0-0 Bd6 8.Nd4 =.

7.0-0 Ne4 8.d3 Ng5 (8...Bf6 9.de4 Bb2 10.Ra2 de4 11.Rb2 ef3 12.Bf3=) 9.Ng5+= Bg5 10.c4 Bf6 11.Nc3 d4 (11...dc4 12.dc4 Re8 13.e4+=) 12.Ne4 de3 13.Nf6+/– Nf6 14.fe3 Ne8 15.Bd4 Nd6 16.Bf3 Nf5 17.Bc5+/– Re8 18.Be4 b6? 19.Ba8+– bc5 20.Qe2 cb4 21.ab4 a6 22.Bc6 Re7 23.b5 ab5 24.cb5 Qd6 25.Ra8 Qd8 26.Rf5! ef5 27.Bb7!! Re8 28.Rc8 Qe7 29.Re8 Qe8 30.Bc6 Qd8 31.g3 g6 32.h3 Qd6 33.Kf2 h5 34.Kf3 Kg7 35.Qd2 Qa3 36.Qc2 Qa1 37.Kf2 Qe5 38.d4 Qd6 39.Kf3 g5 40.Qf5 f6 41.Be4 Qb4 42.Qg6 Kf8 43.Qf6 Ke8 44.Bc6# 1–0. kamret (2185) – Sune (1785), GameColony.com, 2003.

7.c4 c5 8.b5 Re8 9.Qc2 dc4 10.Bc4 Nb6 11.Ba2 a5 12.Nc3 Nbd5 13.0-0 Nc3 14.Qc3 b6 15.Qe5 h6 16.Rac1 Bd7 17.a4 1–0. cucumber (2375) – dennisg, net–chess.com, 2001.

7.0-0 Bb7 8.d3 0-0 9.Nbd2 Rb8 10.c4 c5 11.b5 dc4 12.dc4 Ne4 13.Ne4 Be4 14.Qa4 Qc7 15.Rfd1 Bf6 16.Bf6 Nf6 17.Nd2 Bb7 18.Qc2 Rbd8 19.Bd3 Qd7 20.Nf3 Qe7 21.Ne5 Rd6 22.a4 Rfd8 23.a5 Be4 24.Be4+/– Rd1 25.Rd1 Rd1 26.Qd1 Ne4 27.ab6 ab6 28.Qd7 Qd7 29.Nd7 Nd6 30.Nb6 Kf8 31.Kf1 Ke7 32.Ke2 Kd8 33.Kd3 Kc7 34.Na4 f5?? 35.Nc5 (35.Nc5 e5 36.Ne6 Kd7 37.Ng7+–) 1–0. b4_player (2225) – srleal (1705), GameColony.com, 2003.

7.0-0 Bb7 8.d3 a6 9.Nbd2 Rc8 10.c4 c5 11.bc5 (11.cd5 Bd5 12.bc5 Rc5= (worse 12...Nc5 13.d4+/-; worse 12...Bc5 13.d4+/-)) 11...Nc5 12.cd5 Bd5 (better 12...Qd5!? 13.Bf6 Bf6=) 13.d4 Nb7 14.Ba6 Rb8 (14...0-0!?+/-) 15.Bb5 Nd7?? (better 15...Kf8+-) 16.Ne5 Nd6 17.Bd7 (17.Nd7?! Nb5 18.Nb8 Qb8+-) 17...Kf8 18.e4! Qc8 (18...Be4 19.Ne4 Combination; 18...Ne4 19.Ne4 Combination) 19.Bc8 (19.Bc8 Rc8 20.ed5 ed5 21.Nd7 Kg8 22.Nb6+-) 1-0. Oldenev – Gerry, internet, 2021.

7.0-0 Bb7 8.d4 0-0 9.Nbd2 a5 10.b5 c6 11.bc6 Bc6 12.c4 dc4 13.Nc4 Bd5 14.Nce5 Bd6 15.Nd7 Qd7 16.Rc1 Rfc8 17.Qd2 Rc1 18.Rc1 Rc8 19.Rc8 Qc8 20.Qc3? (better is 20.Ne5=) 20...Qc3–+ 21.Bc3 Bf3 (21...Ba3 22.Nd2–+) 22.Bf3-/+ Ba3 23.Bc6 Nd5 24.Ba1 Nb4 25.Bb5 Nc2 26.Bc3 Bb4 27.Bb4 Nb4 28.f3 Nd5 29.Kf2 Nc3 30.Bc6 a4 31.Ke1 a3 32.Kd2 Nd5 33.Bd5 ed5 34.Kc2 Kf8?? 35.Kb3= Ke7 36.Ka3 Kd6 37.Kb4 Kc6 38.e4 de4 39.fe4+/– f6 40.g4 g6 41.h4 h6 42.d5 Kd6= 43.Kb5 g5?? 44.hg5 hg5 45.Kb6 Ke5 46.Kc6 Ke4 47.d6 f5 48.gf5 Kf5 49.d7 Kg4 50.d8Q Kh3 51.Qg5 (51.Qg5 Kh2 52.Kd5 Kh3 53.Ke4 Kh2 54.Kf3 Kh3 55.Qg3) 1–0. Fournier,Frederic (1925) – Viktor7 (1625), Active (5/0), 2004.

7.c4 Bb7 8.0-0 0-0 9.d3 dc4 10.dc4= a5 11.Qb3 Bd6 (11...ab4 12.ab4 Ra1 13.Ba1=) 12.Nbd2 (12.Nc3 Ne4=) 12...Qe7 13.Bc3 ab4 14.ab4 Ra1 (14...Rfd8 15.Rfd1=) 15.Ra1 Ra8 16.Ra8 Ba8 17.Qb2 e5 18.e4 (18.c5 bc5 19.bc5 Nc5 20.Be5 Bd5=) 18...c5 (18...Ne4 19.Ne4 Be4 20.c5 bc5 21.bc5 Nc5 22.Be5 Bf3 23.Bd6 cd6 24.Qb8 Qf8 25.Qf8 Kf8 26.Bf3-/+) 19.b5 (19.bc5 Bc5 20.Ne5 Ne5 21.Be5 Ne4 22.Ne4 Be4 23.Bd4+= (23.Bg7?? Qg5 24.g3 Qg7 25.Qg7 Kg7–+)) 19...Ne8 (better is 19...Ne4 20.Ne4 Be4-/+) 20.Bd3 f6 (20...Bc7 21.h3=) 21.Nf1 Nf8 22.Ng3 Ne6 1–0. Puentes,Alvaro (2110) – Espitia,Miguel (1840), Mosquera COL, Open, 2014.

6.c4 c6 7.Nc3 Bg7 8.Qc2 e5 9.cd5 cd5 (9...Nd5 10.Nd5 cd5 11.Qb3+=) 10.Nb5+/– 0-0 11.Ne5 (worse is 11.Be5 Ne5 12.Ne5 Ng4+=) 11...Nb6 12.Bd4 Bf5 13.Bd3 (13.Qc7 Qc7 14.Nc7 Rac8+–) 13...Rc8 14.Nc3 Ne4 15.Nf3 (15.Be4?! Be4 16.d3 Bg2=) 15...Bd4 16.Nd4 (worse is 16.ed4 Nc4 17.Rc1 Nc3 18.dc3 Re8 19.Kf1 Na3-/+) 16...Qf6 17.Be4 (17.Ne4? de4 18.Qd1 ed3–+) 17...Be4 18.Ne4 de4? (better is 18...Qd4! 19.Nc3 Qc4+/–) 19.Qe4+– Rc7 20.–0 Rfc8 21.g3 Nc4 22.Qd3 Nb2 23.Qe2 Nc4 24.Rfc1 Nd6 25.Rc7 Rc7 26.Rd1 Re7 27.Qf3 Qe5 28.d3 Re8 29.Rc1 Qe7 30.Qd5 Rd8 31.Qc5 (better is 31.a4!?+–) 31...Rc8+/– 32.Qc8 Nc8 33.Rc8 Kg7 34.Rc3 Qd7 ½–½. Logvinov,Kirill (2010) – Bakhteev,Bakhtiyar, Borisoglebsk RUS, Summer Open, 2013.

6.c4 Bg7 7.d3 0-0 8.Nbd2 Re8 9.g3 a5 10.Bg2 Qe7 11.Bc3 Ng4 12.Bg7+= Kg7 13.0-0 c6 14.Qb3 Ngf6 15.d4 e5= 16.cd5 Nd5 17.e4 a4 18.Qb2 N5b6 19.Rac1 f6 20.Rfd1 Rb8 21.Nf1 ed4 22.Qd4 Qe4=+ 23.Qd2 Qd5 24.Nd4 Qf7= 25.Ne3 Ne5 26.b5 Bd7 27.Qa5 Nbc4 28.Nc4 Nc4 29.Qb4 cb5 30.Nb5 Bb5 31.Qb5 Ne5 32.Qa4+= Rec8 33.Rc8 Rc8 34.Qb4 Rc7 35.a4 Qe7 36.Qe7 Re7 37.Rb1 Nc6 38.Bf3 Kf7 39.Rb6 Rc7 40.h4 Ke7 41.Kg2 Kd6 42.h5 (42.g4 Re7+=) ½–½. Stocek,J – Ftacnik,Lubomir, Komercni Banka Pardubice CZE, 1997.

6.c4 Bg7 7.d4 a5 8.Nc3 =.

6.c4 Bg7 7.d4 c6 8.Nbd2 0-0 9.Bd3 Ne8 10.0-0 f5 11.Ne5 Nd6 12.f3 Nf7 13.Nf7 Rf7+= 14.Qb3 Nf6 15.Rae1 Bd7 16.Re2 Rf8 17.Rfe1 a5 18.e4 fe4 19.fe4 Qc7 20.cd5 ed5 21.ed5 Nd5 22.Bc4 Kh8 23.Bd5+/– cd5 24.Qd5 Bc6 25.Qg5 ab4 26.Re7 Qf4 27.Qf4 Rf4 28.Rg7 ba3 29.Ba1? Kg7–+ 30.d5 Kf7 31.dc6-/+ bc6 ½–½. Santasiere,Anthony – Paal, Pittsburgh, 1946.

7.0-0 0-0 8.c4 c6 9.Qc2 a6 10.Nc3 b5 11.cd5 cd5 (11...ed5 12.Nd4 Bb7 13.Nb3+=) 12.a4+/– ba4 13.Na4 Bb7 14.Nc5 Nc5 (14...Qc7!?+/–) 15.bc5+– (15.Qc5?! Ne4 16.Qc2 Rc8=) 15...Qc8 16.Rab1 Re8 (16...Bc6 17.Bd4+–) 17.Be5 Re7 18.Qb2 (better is 18.Nd4 Bc6 19.Nc6 Qc6 20.Rb6+–) 18...Ra7?? (18...Ne8 19.Bg7 Ng7+–) 19.Bf6 Bf6 20.Qf6 Ba8 (20...Bc6 21.Ne5 Rec7 22.d4+–) 21.Ne5 Qc5 (21...Rec7+–) 22.Rb8 1–0. pierre – anony, internet, 2015.

7.0-0 0-0 8.c4 dc4 9.Nc3 Nb6 10.a4 a5 11.b5 Nfd5 12.Rb1 Nc3 13.Bc3 Bc3 14.dc3 Qd1 15.Rfd1 Na4 16.Bc4?? (better is 16.Rbc1-/+) 16...Nc3–+ 17.Nd4 Nd1 18.Rd1 b6 19.Nc6 Bb7 20.Ne5 Rfd8 21.Rd8 Rd8 22.h3 Bd5 23.f3 f6 24.Bd5 (24.Nc6 Bc6 25.Be6 Kg7 26.bc6 Rd6–+) 24...Rd5 25.Ng4 Kg7 26.e4 Rb5 27.Kf2 (27.Ne3–+) 27...a4 28.Ne3 a3 29.Nc2 Rb2 (29...Rb2 30.Kg3 Rc2 31.e5 a2 32.ef6 Kf6 33.f4 a1Q 34.f5 Qe5 35.Kf3 Qe2 36.Kf4 g5 37.Kg3 Qg2) 0–1. Neumann,Frank – Lewis,Jerome, OP–2011–0-01826, 2011.

7.0-0 0-0 8.c4 c6 9.d4 Ne4 10.Qc2 a6 11.c5 b5 12.Nc3 Nc3 13.Bc3 Nf6 14.a4 Bb7 15.ab5 ab5 16.Ra8 Ba8 17.Bd3 Bb7 18.Ra1 Qc7 19.Ne5 Ra8 20.Ra8 Ba8 21.Qa2 Bb7 22.Qa5 Qa5 (22...Qc8!?+=) 23.ba5+/– Ne8 24.a6! Ba8 (24...Ba6 25.Nc6 Deflection) 25.Nd7 Nc7 26.a7 Na6 (26...Bb7 27.Ba5 Na8 28.Bd8+–) 27.Ba5 Bf8 28.f3 Be7 29.Bc2 b4? (29...Bf8+–) 30.Bd3 b3 (30...Nc5 31.Nc5 Bc5 32.dc5+–) 31.Ba6 Bb7 (31...e5 32.Bc3 Bg5+–) 32.Bb7 b2 33.a8Q Kg7 34.Bd8 b1Q 35.Kf2 Qc2 36.Kg3 Bd8 37.Qd8 Qe2 (37...g5 38.Qf6 Kg8 39.Qh6 Qg2 40.Kg2 e5 41.Qf8) 38.Qf8 1–0. Janek – Fritzi, internet, 2016.

7.0-0 0-0 8.c4 c6 9.cd5 cd5 10.d4 (10.Qb3 A) 10...Nb6 11.Rc1 (11.Bd4 Re8 12.Rc1 Nbd7 13.a4) 11...Bd7 12.Bd4 Ba4 13.Qd3; B) 10...b6 11.Rc1 (11.d4 Bb7 12.Rc1 a6 13.Nc3) 11...Qe8 12.Nc3 Qe7 13.Nb5; 10.Nc3 e5 (10...a5 11.Qb3 Ne4 12.d4 Ng5 13.Ng5) 11.Rc1 (11.d4 e4 12.Nd2 Qe7 13.Rc1) 11...a5 12.b5 Qe7 13.d4; 10.Qc2 A) 10...b6 11.Rc1 (11.d4 Bb7 12.Rc1 Rc8 13.Nc3; 11.Nc3 Qe7 12.d4 Bb7 13.Rfc1) 11...a5 12.d4 ab4 13.ab4; B) 10...a5 11.Rc1 (11.b5 b6 12.Rc1 Bb7 13.Nc3; 11.d4 ab4 12.ab4 Ra1 13.Ba1) 11...ab4 12.ab4 Ra1 13.Ba1) 10...Nb6 (10...Ne4 11.Nbd2 Nd6 12.Qc2 b5 13.a4; 10...a5 11.b5 b6 12.Qd3 Ne4 13.Rc1; 10...a6 11.Nbd2 (11.Qc2 b6 12.Rc1 Bb7 13.Qc7) 11...Qe7 12.Qb3 Qd6 13.Rfc1) 11.Nbd2 (11.Nc3 Bd7 12.Ne5 Rc8 13.Rc1; 11.Qb3 Bd7 12.Nc3 Qc7 13.Ne5) 11...Bd7 12.Rc1 (12.a4 Rc8 13.Ne5) 12...Qe7 (12...Ba4 13.Qe1) 13.h3 (13.Ne5 Ba4 14.Qe1 Rac8=; 13.Qb3+=) 13...Rac8 (13...Ba4 14.Qe1=) 14.Ne5 Rc1 15.Qc1 Rc8 16.Qb1 a6 17.f4 (17.Nd7 Qd7 18.Rc1 Na4=) 17...Ba4 (17...Bb5 18.Bb5 ab5 19.Rc1=) 18.Rc1= Rc1 19.Qc1 Qd8 20.Bd3 Nh5 (20...Bb5 21.Bc2=) 21.Qc5 Be5 (21...Ng3!?=) 22.fe5 (22.de5 Nd7 23.Qc3 Bc6+/–) 22...Qd7?? 23.Qb6+– 1–0. Wall,Bill – Spartakus, Microsoft Gaming Zone, 1996.

7.0-0 0-0 8.c4 c6 9.cd5 ed5 A) 10.Nc3 A1) 10...Re8 11.Rc1 Nb6 12.d3 Bg4 13.b5; A2) 10...Nb6 11.Na4 Nc4 12.Bd4 Re8 13.Nc5; B) 10.Bd4 B1) 10...Re8 11.d3 h6 12.Nc3 a5 13.Qa4; B2) 10...a5 11.Nc3 Re8 12.Qa4 Nb6 13.Qb3; C) 10.Qc2 C1) 10...Re8 11.d4 Nb6 12.Bd3 Ne4 13.Rc1; C2) 10...Nb6 11.d3 Re8 12.Rc1 Bg4 13.Bd4; D) 10.d4 Re8 11.Nbd2 Nb6 12.Rc1 Ne4 13.Ne5.

6.b5 Bc5 A) 7.Bg2 A1) 7...Bd6 8.d3 (8.d4 0-0 9.0-0 c6 10.Nc3 Re8 11.Qd3 e5 12.de5 Ne5 13.Ne5=+; 8.0-0 0-0 9.c4 dc4 10.Qc2 Nb6 11.Rd1 Nfd7 12.d3 cd3 13.Qd3=+; 8.c4 dc4 9.0-0 Nb6 10.Bd4 Bd7 11.Ne5 Be5 12.Be5 c6 13.bc6=+) 8...e5 9.c4 c6 10.0-0 cb5 11.cd5 Nd5 12.Nbd2 0-0 13.Ne4=; A2) 7...Qe7 8.d4 (8.0-0 0-0 9.d4 Bd6 10.Nbd2 e5 11.c4 e4 12.Nh4 Qe6 13.cd5=+; 8.Nc3 0-0 9.0-0 Bd6 10.d3 e5 11.e3 Re8 12.h3 Nb6 13.Qe2=+) 8...Bd6 9.0-0 0-0 10.Nbd2 c6 11.bc6 bc6 12.c4 Rb8 13.Bc3=; A3) 7...0-0 8.0-0 (8.d4 Bd6 9.0-0 c6 10.Nc3 Qc7 11.Qd3 c5 12.dc5 Nc5 13.Qd2=+) 8...Qe7 9.d4 Bd6 10.Nbd2 c5 11.bc6 bc6 12.c4 Rb8 13.Bc3=; A4) 7...a4 8.d4 Bd6 9.0-0 Nb6 10.Ne5 0-0 11.Qd3 Bd7 12.Bc1 Nc4 13.Nc4=; A5) 7...c6 8.d4 (8.Nc3 0-0 9.0-0 Bd6 10.d4 Qc7 11.Qd3 c5 12.dc5 Nc5 13.Qd2=+; 8.bc6 bc6 9.0-0 0-0 10.c4 Rb8 11.Be5 Ne5 12.Ne5 Qd6 13.d4=+) 8...Bd6 9.Nc3 0-0 10.0-0 Qc7 11.Qd3 c5 12.dc5 Nc5 13.Qd2=+; B) 7.d4 B1) 7...Bd6 8.c4 (8.e3 0-0 9.c4 c5 10.cd5 ed5 11.dc5 Nc5 12.Nc3 Be6 13.Be2=; 8.Nbd2 Nb6 9.c4 dc4 10.e4 0-0 11.Qc2 Nfd7 12.Nc4 Nc4 13.Bc4=; 8.Bg2 0-0 9.0-0 c6 10.Nc3 Qc7 11.Qd3 c5 12.dc5 Nc5 13.Qd2=+) 8...0-0 9.Nbd2 c5 10.Bg2 cd4 11.Nd4 e5 12.Nf5 Bc7 13.cd5+=; B2) 7...Be7 8.Bg2 0-0 9.0-0 c6 10.Nc3 Qc7 11.Qd3 c5 12.Rfd1 c4 13.Qe3=.

6.b5 c6 A) 7.Nc3 A1) 7...e5 8.Bg2 (8.e3 Bd6 9.Bg2 0-0 10.0-0 Nb6 11.d3 Qd7 12.a4 cb5 13.ab5=+; 8.bc6 bc6 9.Bg2 Bd6 10.0-0 0-0 11.e3 Qe7 12.Qe2 Nb6 13.d3-/+; 8.Rb1 c5 9.Bg2 Bd6 10.Nh4 Nb6 11.0-0 0-0 12.e4 d4 13.Ne2-/+; 8.Bh3 d4 9.bc6 bc6 10.Na2 Bd6 11.c3 d3 12.ed3 Nc5 13.Bf1=+) 8...d4 9.bc6 bc6 10.Na4 Rb8 11.Rb1 Bd6 12.c3 c5 13.Nh4=+; A2) 7...Bc5 8.Bg2 (8.d4 Bd6 9.Bg2 0-0 10.0-0 Qc7 11.Qd3 c5 12.dc5 Nc5 13.Qd2=+; 8.e3 0-0 9.Bg2 e5 10.d4 Bd6 11.de5 Ne5 12.Ne5 Be5 13.Qd3=+) 8...cb5 9.d4 Be7 10.Nb5 Nb6 11.Rb1 Bd7 12.Bc1 Nc4 13.Ne5=; A3) 7...Bd6 8.Bg2 (8.bc6 bc6 9.Nd4 Qc7 10.Rb1 Nb6 11.e3 e5 12.Nb3 a4 13.Nc1-/+; 8.e3 e5 9.Bg2 0-0 10.0-0 Nb6 11.d3 Qd7 12.a4 cb5 13.ab5=+) 8...e5 9.0-0 0-0 10.e3 Nb6 11.d3 Qd7 12.a4 cb5 13.ab5=+; B) 7.bc6 bc6 8.c4 (8.Nc3 e5 9.Bg2 Bd6 10.0-0 0-0 11.Qe1 Rb8 12.Rb1 Re8 13.h3-/+; 8.Bg2 Rb8 9.Ra2 Bd6 10.c4 0-0 11.d4 Ba6 12.Nbd2 dc4 13.Qc2=+; 8.Ra2 Rb8 9.e3 Bd6 10.d4 0-0 11.c4 Ba6 12.Ne5 Qc8 13.Nd2=+; 8.e3 Bd6 9.Nd4 Qb6 10.Ra2 0-0 11.Nc3 Rb8 12.Bg2 Nc5 13.f4=+; 8.Bc3 Bd6 9.Nd4 c5 10.Nb5 Be7 11.Bg2 0-0 12.0-0 Rb8 13.a4-/+ ) 8...dc4 9.Nc3 Bc5 10.Na4 Bd6 11.Rc1 Ba6 12.Bg2 e5 13.Nh4=+; C) 7.a4 C1) 7...Bc5 8.Ba3 (8.d4 Bb4 9.c3 Bd6 10.e3 0-0 11.c4 dc4 12.Bc4 Nb6 13.Bd3=+; 8.Nc3 0-0 9.Rb1 e5 10.e3 e4 11.Nh4 Re8 12.Be2 Nb6 13.f3-/+) 8...cb5 9.ab5 Ba7 10.d4 Qc7 11.e3 Bb6 12.Bd3 e5 13.de5=; C2) 7...Bd6 8.Ba3 (8.Bg2 0-0 9.0-0 e5 10.Ba3 c5 11.d3 Qe7 12.Nbd2 Nb6 13.Bb2=+; 8.Bh3 0-0 9.0-0 e5 10.d4 e4 11.Nh4 Nb6 12.Nf5 g6 13.Nd6-/+) 8...c5 9.Bg2 e5 10.d3 0-0 11.0-0 Qe7 12.Bb2 Nb6 13.Nbd2=+; C3) 7...cb5 8.ab5 Bc5 9.Nc3 0-0 10.Na4 Bd6 11.Bg2 e5 12.0-0 Re8 13.d3=+; C4) 7...Qb6 8.Bd4 (8.bc6 bc6 9.Ba3 Ne4 10.e3 Ba3 11.Na3 e5 12.Rb1 Qd8 13.c4=+; 8.Na3 Bc5 9.e3 0-0 10.Bg2 Bd6 11.Rb1 Qc7 12.c4 e5 13.cd5=+; 8.e3 Bd6 9.Bf6 Nf6 10.bc6 bc6 11.Nc3 e5 12.Rb1 Qc7 13.Be2-/+) 8...c5 9.Bb2 Bd6 10.Bg2 e5 11.0-0 0-0 12.d3 Rd8 13.Nbd2=; C5) 7...Bb4 8.Bg2 cb5 9.ab5 Qb6 10.Na3 Ba3 11.Ba3 Qb5 12.c3 Qc4 13.0-0=+; D) 7.e3 Bd6 8.c4 (8.d4 Qb6 9.Nc3 0-0 10.Bd3 a4 11.0-0 c5 12.Be2 c4 13.Qd2=+; 8.Nc3 e5 9.Bg2 0-0 10.0-0 Nb6 11.d3 Qd7 12.a4 cb5 13.ab5=+) 8...0-0 9.d4 dc4 10.bc6 bc6 11.Nbd2 Nb6 12.Bc4 Rb8 13.Bd3=.

6.b5 Bd6 A) 7.Bh3 A1) 7...e5 8.d3 (8.0-0 0-0 9.d3 Qe7 10.Bg2 Nb6 11.Qd2 Re8 12.Qg5 Bd7 13.a4-/+; 8.d4 e4 9.Nh4 Nb6 10.Bc8 Qc8 11.Bc1 0-0 12.Bg5 Ne8 13.0-0-/+; 8.Bf5 0-0 9.0-0 Re8 10.d4 e4 11.Nh4 Nb6 12.Bc1 Bd7 13.a4-/+; 8.Ra2 a4 9.d4 e4 10.Nh4 Nb6 11.Nf5 Bf8 12.g4 g6 13.Ne3–+) 8...0-0 9.0-0 Qe7 10.Nh4 Nb6 11.Nf5 Bf5 12.Bf5 Qe8 13.a4=+; A2) 7...a4 8.d3 (8.0-0 0-0 9.Bg2 e5 10.d3 c6 11.bc6 bc6 12.c4 Qb6 13.Bc1=+; 8.Bg2 Ra5 9.Nc3 e5 10.e3 Nb6 11.d3 0-0 12.0-0 Re8 13.Qd2=+; 8.Nd4 Nb6 9.d3 e5 10.Bc8 Qc8 11.Nf3 Qf5 12.h3 0-0 13.g4-/+; 8.Nc3 e5 9.0-0 0-0 10.Bg2 Ra5 11.e3 Re8 12.d4 e4 13.Nd2-/+; 8.e3 0-0 9.0-0 e5 10.Bg2 Re8 11.d3 Nb6 12.Nbd2 Bf5 13.Qe2=+) 8...c6 9.c4 cb5 10.cb5 Qa5 11.Nc3 e5 12.d4 e4 13.Nh4=+; A3) 7...Qe7 8.0-0 (8.Bg2 0-0 9.0-0 e5 10.d3 Nb6 11.Qd2 Re8 12.Qg5 Bd7 13.a4-/+; 8.d3 0-0 9.0-0 Nb6 10.Bg2 e5 11.Qd2 Re8 12.Qg5 Bd7 13.a4-/+; 8.Nc3 Nb6 9.0-0 Nc4 10.Qc1 0-0 11.Nd4 c5 12.bc6 bc6 13.Ra2-/+) 8...0-0 9.Bg2 e5 10.d3 Nb6 11.Qc1 Na4 12.c4 Nb2 13.Qb2=+; A4) 7...c5 8.0-0 (8.bc6 bc6 9.Nc3 e5 10.Rb1 0-0 11.0-0 Qe7 12.Qc1 Nb6 13.Bc8-/+; 8.Bg2 a4 9.Nc3 d4 10.Na2 e5 11.0-0 0-0 12.d3 Ra5 13.c4=+; 8.d3 0-0 9.0-0 Nb6 10.Bg2 a4 11.Nbd2 d4 12.c4 e5 13.Qc2=+; 8.Qc1 0-0 9.c4 d4 10.0-0 e5 11.d3 Re8 12.Bg2 Be7 13.e3=) 8...0-0 9.d3 e5 10.c4 dc4 11.dc4 Qe7 12.Qc2 Rd8 13.Nbd2=; A5) 7...0-0 8.0-0 (8.Bg2 c6 9.a4 e5 10.0-0 Qb6 11.Na3 e4 12.Ng5 Re8 13.Rb1=+) 8...e5 9.d3 Qe7 10.Bg2 Nb6 11.Qc1 Na4 12.c4 Nb2 13.Qb2=+; B) 7.Bg2=+ B1) 7...0-0 8.Ra2 (8.0-0 e5 9.Qc1 Re8 10.c4 Nc5 11.Qc2 dc4 12.Re1 Nb3 13.Ra2-/+; 8.h3 e5 9.0-0 c6 10.a4 Qb6 11.Na3 e4 12.Nd4 Be5 13.c3-/+; 8.Nc3 Nb6 9.d3 e5 10.e3 a4 11.0-0 Re8 12.h3 Qe7 13.Qe2=+) 8...e5 9.0-0 c6 10.c4 dc4 11.bc6 bc6 12.Qc2 Rb8 13.Rc1=+; B2) 7...a4 8.d4 (8.0-0 0-0 9.d3 Nb6 10.Nbd2 Qe7 11.e4 de4 12.Bf6 gf6 13.Ne4=+; 8.Nc3 e5 9.0-0 Nb6 10.d4 e4 11.Ne5 0-0 12.f3 ef3 13.ef3=+; 8.d3 e5 9.0-0 c6 10.c4 cb5 11.cd5 Nd5 12.Ne5 Be5 13.d4=+; 8.c4 dc4 9.Qc2 Nb6 10.e4 Bc5 11.d4 Be7 12.Ne5 Bd7 13.Nc3=+) 8...Nb6 9.Ne5 Nfd7 10.e4 Ra5 11.Qe2 Ne5 12.de5 Bc5 13.Bc3=; B3) 7...Qe7 8.d4 (8.0-0 e5 9.d3 0-0 10.c4 dc4 11.dc4 Nc5 12.Nbd2 Bf5 13.Nh4=+; 8.c4 dc4 9.Qc2 e5 10.Qc4 e4 11.Ng5 Nb6 12.Qc2 Bf5 13.Ra2=; 8.Nc3 0-0 9.0-0 e5 10.e3 Nb6 11.d3 Re8 12.Qd2 a4 13.Rfe1=+) 8...a4 9.Nbd2 Nb6 10.Ne5 0-0 11.c4 Ne8 12.Qc2 Be5 13.de5=; B4) 7...c6 8.c4 (8.Nc3 e5 9.0-0 0-0 10.a4 Re8 11.e3 Nb6 12.d3 Qc7 13.h3=+; 8.bc6 bc6 9.c4 e5 10.d4 e4 11.Ne5 0-0 12.Qd2 Qc7 13.Nd7=+) 8...0-0 9.cd5 cd5 10.0-0 e5 11.Nc3 d4 12.Na4 Nb6 13.Rc1=+; B5) 7...e5 8.0-0 0-0 9.Nc3 Nb6 10.d3 Bg4 11.Qd2 Qd7 12.e3 Rae8 13.Rae1=+; C) 7.Ra2 C1) 7...0-0 8.Bg2 (8.Bh3 e5 9.0-0 a4 10.d3 Re8 11.Bg2 Nb6 12.Nbd2 c6 13.bc6=+) 8...e5 9.0-0 c6 10.c4 dc4 11.bc6 bc6 12.Qc2 Rb8 13.Rc1=+; C2) 7...a4 8.Nc3 (8.Bg2 e5 9.d3 c6 10.c4 cb5 11.cd5 Nd5 12.Nbd2 0-0 13.d4=+; 8.d3 0-0 9.Bg2 c6 10.c4 cb5 11.cd5 Nd5 12.0-0 e5 13.Qd2=+) 8...e5 9.Bg2 d4 10.Nb1 Nb6 11.c3 Be6 12.Ra1 Ra5 13.cd4=+; C3) 7...e5 8.Bg2 0-0 9.0-0 c6 10.c4 dc4 11.bc6 bc6 12.Qc2 Rb8 13.Rc1=+; C4) 7...Qe7 8.Bg2 (8.Nc3 e5 9.Bg2 Nb6 10.d4 e4 11.Ne5 0-0 12.0-0 Re8 13.f3-/+; 8.d3 0-0 9.Bg2 Nb6 10.Ne5 Nfd7 11.Nd7 Bd7 12.c4 dc4 13.Bb7-/+) 8...e5 9.0-0 0-0 10.d3 Qe6 11.e3 Re8 12.Qe2 Nb6 13.Nc3=+; D) 7.d3 D1) 7...0-0 8.c4 (8.Bg2 e5 9.0-0 c6 10.c4 cb5 11.cb5 Re8 12.Nc3 Qe7 13.Qc2=+) 8...dc4 9.dc4 e5 10.Bg2 Re8 11.0-0 e4 12.Nd4 Nc5 13.Qc2=; D2) 7...e5 8.Bg2 (8.Bh3 0-0 9.0-0 Qe7 10.Bg2 Nb6 11.Qc1 Na4 12.c4 Nb2 13.Qb2=+; 8.Nbd2 0-0 9.Bh3 Re8 10.0-0 c6 11.c4 cb5 12.cb5 a4 13.Bg2-/+) 8...c6 9.c4 cb5 10.cb5 Qb6 11.a4 d4 12.0-0 0-0 13.Nbd2=; D3) 7...c6 8.e4 Qc7 9.Qe2 e5 10.ed5 cd5 11.Ne5 0-0 12.f4 Re8 13.d4=+.

6.c3 ab4 7.cb4 Bd6 8.Bg2 0-0 9.0-0 c5 10.b5 Qa5 11.a4 Qc7 12.d3 Ne5 13.Nbd2 Nf3 14.Nf3 e5 15.Nd2 b6 16.e4 Bb7 17.Re1 Rad8 18.Qb3 de4 19.de4 Bc8 20.a5 ba5 21.b6 Qc6 22.Ra5 Be6 23.Qb5 Bd7? 24.Qc6+– Bc6 25.Nc4 Rfe8 26.Nd6 Rd6 27.Rc5 Nd7 28.Rcc1 Nb6 29.Red1 Rd1 30.Rd1 f6 31.h4 Kf7 32.Ba3 Nc4 33.Bc5 Rc8 34.Bb4 Rb8 35.Bc3 Rb3 36.Ba1 Rb7 37.Bf1 Na3 38.f3 Nc2 39.Rc1 Na1 40.Rc6 Ke7 41.h5 Nb3 42.f4 ef4 43.gf4 Nd4 44.Rc4 Ne6 45.e5 fe5 46.fe5 Rb5 47.Re4 Rc5 ½–½. BlueNoteTokyo (2375) – IAlwaysWin (1935), Dos Hermanas Internet Section, 2003.

7.d3 Bc5 (7...Bd7 8.Nc3 Bc5 9.e4 0-0 10.e5 Ng4 11.d4 Be7 12.Bc1 a4 13.h3+–; 7...Bd6 8.e4 Be7 9.e5 Nfd7 10.Bg2 0-0 11.0-0 c5 12.Re1 Qc7 13.Qe2=) 8.Bg2 (8.Be5 Nbd7 9.d4 Ne5 10.Ne5 Bd6 11.c4 dc4 12.Nc4 Bb4 13.ab4=; 8.e3 Bd7 9.c4 0-0 10.Ne5 Bd6 11.Bg2 dc4 12.Nd7 Nfd7 13.dc4=; 8.Nc3 Bd7 9.e4 0-0 10.e5 Ng4 11.d4 Be7 12.Bc1 a4 13.h3+–; 8.Nbd2 Na4 9.Be5 Ng4 10.e3 Ne5 11.Ne5 0-0 12.Qg4 Bd6 13.Qa4=; 8.Qd2 0-0 9.Bg2 Bd7 10.a4 c6 11.Ne5 cb5 12.ab5 Qc7 13.d4=+) 8...0-0 (8...Bd7 9.a4 c6 10.Qd2 0-0 11.0-0 cb5 12.ab5 Bb4 13.c3=+) 9.a4 (9.0-0 Bd7 10.a4 c6 11.Qd2 Qe7 12.bc6 Bc6 13.Qf4=+) 9...Bd7 (9...Bb4 10.Nbd2= Qe7 11.0-0 Rd8 12.Bd4 Nbd7 13.c3=; 9...c6 10.bc6 bc6 11.0-0 Rb8 12.Nbd2 Nbd7 13.Nb3=) 10.Nbd2 (10.Ne5 c6 11.c4 cb5 12.ab5 Qc7 13.Nd7=) 10...c6 11.c4 Qe7 (11...cb5 12.cb5 (12.ab5 a4 13.0-0=) 12...Rc8 13.0-0=) 12.0-0 cb5 13.ab5 (13.cb5 Rfc8=) 13...Rfc8 (13...a4 14.e4=) 14.Bc3 (14.d4 Bb4 15.c5 Nc4 16.Nc4 dc4=) 14...Bb4 (14...a4 15.e3=+) 15.Bd4 Qd6 (15...Bc5 16.Bc5 Qc5 17.d4+=) 16.e4 de4 (worse 16...dc4 17.e5 Qc7 18.Bb6 Qb6 19.Nc4+– (19.ef6?! cd3 20.fg7 Bb5+=)) 17.de4 (17.Ne4? Ne4 18.de4 Nc4–+) 17...e5 18.Be5 Qe7 (18...Qe6 19.Bd4 Nc4 20.Ng5=) 19.Rc1 (19.Qb3 Be6 20.Rac1 Bc5=) 19...Bg4 20.Bc3 (20.Bd4 Bd2 21.Qd2 Nc4=) 20...Nfd7 (20...Bc3 21.Rc3 Ne4 22.Ne4 Qe4 23.Re1+=) 21.Qc2 (21.Qb3 Bc3 22.Qc3 Be6=) 21...Be6 The pressure on the backward pawn c4 grows 22.Nd4 Nc4 (22...Bc4 23.Nf5 Qc5 A) 24.Nc4? Qc4 (worse 24...Nc4 25.Bg7 Qb5 26.Qe2+–) 25.Qb1 Bc3–+; B) 24.Bg7 Bf1 25.Qb2 Qf5 26.ef5 Bg2 27.Rc8 Rc8 28.Kg2 Bd2 29.Qd2 Kg7 30.Qa5=) 23.Ne6+= Qe6 24.Bb4 ab4 25.Nc4 Nb6 (25...Ne5 26.Qb2 Nc4 27.Qb4+–) 26.Qb2 (26.Nb6 Rc2 27.Na8 b3+–) 26...Rc4 27.Rc4 Qc4 28.Rb1 Nd7 (28...Kf8 29.Qb4 Qb4 30.Rb4 Ra1 31.Bf1+–) 29.Qb4 Qb4 (29...Qc2 30.Qe1+–) 30.Rb4 Ra1 31.Bf1 g5 32.f4 (32.Rc4 b6+–) 32...gf4 33.gf4 Nf6 34.Kg2 Ra2 35.Kg3 Ra3 36.Kh4 Rf3 37.Kg5 (37.e5 Nd5 38.Bg2 Rf4 39.Rf4 Nf4 40.Bb7 Ng6 41.Kg5 Ne5+–) 37...Rf1+= 38.Kf6 Rf4 39.Ke5 Rh4 40.Rb2 Rh6 41.Kd5 Rb6 42.Kc5 (42.e5 f6+=) 42...Re6 43.Re2 Kf8 44.e5 f6 45.Kd5 Kf7 46.h4 h6 47.Re4 Rb6 48.Kc5 Re6 49.Kd4 Kg6 50.ef6 Rf6 (50...Kf6?? 51.Re6 Ke6 52.Kc5+–) 51.Re7 Rf4 (51...b6 52.Rc7 Kf5 53.Kd5+=) 52.Kc3 (52.Kc5 Rf5 53.Kb6 Kh5+–) 52...b6+= 53.Rb7 (53.Re6 Rf6 54.Rc6 Kf5=) 53...Rf6= 54.Rc7 Kf5 55.Re7 (55.Rc6 Ke5 56.Rf6 Kf6=) 55...Rg6 (55...Kg4 56.Re4 Kf5 57.Rd4=) 56.Kc4 (56.h5 Re6 57.Rd7 Re5=) 56...Rg1 (56...Rd6 57.h5=) 57.Kd5 (57.Rh7 Rc1 58.Kd3 Rd1 59.Kc3 Rd6=) 57...Rc1 58.Re5 Kg4 59.Re6 Rc5 60.Ke4 Rb5 61.Rh6 Rb3 62.Kd4 ½–½. Tauscher,David (2425) – Teske,Heike (2185), RSX7E – A00 – Sokolsky–2, 2009.

7.Bd4 A) 7...Bd7 8.Nc3 (8.e3 Bd6 9.Ne5 0-0 10.Qf3 c5 11.bc6 bc6 12.Nd3 Ne4 13.Be5=+; 8.a4 Bd6 9.Bg2 c5 10.Be5 Qe7 11.0-0 0-0 12.d3 Ng4 13.Bd6=) 8...Nc4 9.a4 Bb4 10.e4 c5 11.bc6 Bc6 12.ed5 Bc3 13.Bc3=; B) 7...Bd6 8.Bg2 (8.Bb6 cb6 9.Bg2 Bd7 10.a4 0-0 11.0-0 Rc8 12.Nc3 e5 13.Rc1=+) 8...Nbd7 9.0-0 0-0 10.Bb2 e5 11.e3 Ra7 12.d3 Qe7 13.Nc3=+; C) 7...Be7 8.Bg2 0-0 9.0-0 Bd7 10.Nc3 c5 11.bc6 bc6 12.Ne5 c5 13.Nd7-/+.

7.Be5 A) 7...Bd6 8.Bd6 (8.d4 0-0 9.Nbd2 Ne4 10.Bd6 Nc3 11.Qc1 cd6 12.Qb2 Qc7 13.e3=+; 8.Bg2 0-0 9.0-0 a4 10.d4 Ra5 11.Qd3 Ne4 12.Nbd2 f6 13.Bd6=+; 8.e3 0-0 9.d4 Ne4 10.Bd6 Nd6 11.Nbd2 Bd7 12.a4 c6 13.bc6-/+) 8...Qd6 9.d4 0-0 10.e3 Nbd7 11.c4 e5 12.Nc3 dc4 13.Bc4=; B) 7...Bd7 8.a4 (8.e3 Be7 9.Nd4 a4 10.Nc3 0-0 11.Qf3 Ne8 12.g4 f6 13.Bg3=+) 8...Nc4 9.Bg2 c6 10.bc6 Bc6 11.Bd4 Be7 12.0-0 0-0 13.c3=; C) 7...Be7 8.Bg2 (8.e3 0-0 9.Be2 Nfd7 10.0-0 Ne5 11.Ne5 f6 12.Nd3 e5 13.Bg4-/+; 8.d4 0-0 9.Nbd2 Nfd7 10.e4 Ne5 11.Ne5 de4 12.Ne4 Qd5 13.f3=+; 8.d3 Nbd7 9.Bf4 Nh5 10.Bd2 0-0 11.Bg2 Nhf6 12.0-0 e5 13.c4=+) 8...0-0 9.0-0 Qd7 10.d3 Ng4 11.Bf4 Bf6 12.d4 Qb5 13.Bc7=; D) 7...Nc4 8.Bd4 (8.e3 Ne5 9.Ne5 Nd7 10.Nd7 Bd7 11.d4 Rc8 12.Bd3 Bd6 13.Nc3=+) 8...Bd7 9.a4 c5 10.bc6 bc6 11.d3 Nb6 12.Be5 Ng4 13.Bf4=+.

7.Ne5 A) 7...Bc5 8.d4 (8.e3 0-0 9.d4 Bd6 10.Bd3 Ne4 11.f3 Na4 12.Qc1 f6 13.fe4=+) 8...Bd6 9.Bg2 Nfd7 10.0-0 Na4 11.Qc1 Ne5 12.de5 Bc5 13.Rd1=+; B) 7...Nfd7=+ 8.Nd7 (8.e3 Ne5 9.Be5 Nd7 10.Bb2 Nf6 11.Bg2 c6 12.bc6 bc6 13.c4=; 8.Nf3 f6 9.Bg2 e5 10.0-0 Be7 11.d4 e4 12.Nfd2 f5 13.e3=+; 8.f4 Ne5 9.Be5 Nc4 10.Bd4 Bd7 11.a4 Nd6 12.Bg2 c6 13.bc6=+) 8...Bd7 9.e3 c6 10.bc6 Bc6 11.Bd4 Nc4 12.f4 Rc8 13.Bg2=; C) 7...Bd6 8.Bg2 0-0 9.0-0 Nfd7 10.f4 Be5 11.fe5 Nc4 12.Bd4 c5 13.bc6=+.

7.Bg2 A) 7...Bc5 8.d4 (8.Be5 Nc4 9.d4 Be7 10.0-0 a4 11.Bf6 Bf6 12.Nbd2 Nd6 13.Rb1=+) 8...Bd6 9.Ne5 Nfd7 10.0-0 Na4 11.Qc1 Ne5 12.de5 Bc5 13.Rd1=+; B) 7...Nc4 8.Bd4 Bd7 9.a4 c5 10.bc6 bc6 11.d3 Nb6 12.c3 c5 13.Be5=+; C) 7...Bd6 8.d3 (8.Ne5 0-0 9.0-0 Nfd7 10.Nd3 e5 11.Ra2 e4 12.Nf4 Re8 13.f3=+; 8.Be5 0-0 9.0-0 c6 10.a4 cb5 11.ab5 Nc4 12.Bd4 e5 13.d3=+) 8...Bd7 9.a4 0-0 10.0-0 Qe7 11.Ne5 c6 12.Nd7 Nfd7 13.Nd2=; D) 7...Bd7 8.Nc3 (8.a4 c6 9.Nc3 cb5 10.ab5 Nc4 11.Qb1 Bb4 12.Na2 Bc5 13.0-0-/+) 8...Nc4 9.Bc1 Ne4 10.Ne4 de4 11.Ng1 Qf6 12.Ra2 Bc5 13.e3=+.

6.bc5 Bc5 7.d4 Be7 8.c4 dc4 (8...0-0 9.cd5 ed5 10.Nc3 Nb6 11.Ne5 Nc4 12.Nc4 dc4) 9.Bg2 0-0 (9...b5 10.Ne5 Nd5 11.Nc6 Qb6 12.Ne7 Ke7) 10.0-0 Qa5 (10...Qc7 11.Qc2 b5 12.Nc3 a6) 11.Qc2 (11.Qc1 Qa4 12.Nc3 Qa6) 11...Nb6 (11...Nd5 12.e4 N5b6) 12.Ne5 (12.Nbd2 Bd7) 12...Qa4 (12...Bd7=) 13.Rc1 Nfd7 ½–½. Shamieh,Jamal (2055) – Kassis,Antoine (2215), Beirut LBA, 8th Mediterranean Ch, 2013.

6.bc5 Bc5 7.e3 0-0 8.Bg2 b5 9.Nd4 a6 10.0-0 Bb7 11.a4 e5 (11...b4!?=+) 12.Nf5= g6 13.d4 ed4 (13...gf5 14.dc5 Qe7 15.f4=) 14.ed4 (14.Nd4 ba4 15.Nc3 Re8+=) 14...gf5 (14...Ba7!? 15.Ne3 ba4=) 15.dc5+/- Nc5 16.Qd4 Ncd7 17.Nd2 Re8 18.Qf4 Kh8 (18...b4 19.Rfe1+/-) 19.Qf5 Re2 20.Ne4! de4 (20...de4 21.Bf6 Double attack; 20...Re4 21.Bf6 Double attack) 21.Rad1+- Rc2 (21...Kg8 22.Rd7! Nd7 23.Qg4 Kf8 24.Ba3 Qe7 25.Be7 Ke7 26.Qe2 Nc5+-) 22.Rd7 Kg7 23.Rd8 (23.Rb7?! Rb2 24.Be4 Qd2+/-) 23...Rb2 (23...Kh6 24.Bf6 Rc5 25.Bg5 Kg7 26.Qf6) 24.Qg5 1-0. PEREIRA – Bleikut, internet, 2021.

6.bc5 Nc5 7.Bg2 Be7 8.0-0 0-0 9.Ne5 Nfe4 10.d3 Nd6 11.Nc3 f6 12.Nf3 Kh8 13.Nd2 Bd7 14.e4 de4 15.Nde4 Nde4 16.de4 Qb6 17.Rb1 Rfd8 18.Qe2 Bc6 19.Nd5 ed5 20.ed5 Ba4 21.Qe7 Re8 22.Qf7? Bc2–+ 23.Bd4 Bb1 24.Bc5 Qc5 25.Rb1 Re2 26.Rf1 Re7 27.Qh5 Qa3 28.h4 a5 29.g4 a4 30.g5 fg5 31.hg5 Qd6 32.Qh4 a3 33.Ra1 b5 34.Bf1 b4 35.Bc4 Rae8 36.Bb3 Re4 37.Qh5 Qe5 38.Rd1 g6 39.Qf3 Qg5 40.Kf1 Rg4 41.Qh1 Qe5 42.Qf3 Rf4 43.Qd3 Rf2! 44.Kf2 Qh2 45.Kf3 Rf8 (46.Qf5 Rf5 47.Ke3 Qg3 48.Kd4 Qc3 49.Ke4 Re5 50.Kf4 Qe3 51.Kg4 Re4) 0–1. Richter,Kurt – Gilg, Bad Aussee, 1939.

5.b5 0-0 6.e3 Bd7 (6...a6 7.Nc3=+) 7.Be2 (7.Nc3 Be8=) 7...c6 (7...a6!?=+) 8.a4= cb5 9.ab5 Bb5?? (better is 9...Be8=) 10.Bb5+– Qb6 11.Nc3 a6 12.Qc1 ab5 (12...Nc6 13.Bc6 Qc6+–) 13.Ra8 Bd6 14.0-0 Re8 15.Nd4 b4 16.Na4 Qc7 17.Nb5 Bh2 18.Kh1 Qc6 19.Nd4 Qd6 20.Nf3 Ng4 21.Bd4 e5 22.g3 Bg3 23.fg3 ed4= 24.Nd4?? Qg3 25.Nf3–+ Re6 26.Rb8 Qb8 27.Qe1 Rh6 28.Kg1 Qg3 29.Qg3 Nf6 30.Qb8 Ne8 31.Qe8# 1–0. mic (2120) – debutler (2100), net–chess.com, 2007.

5.Nc3 0-0 6.e3 c5 (6...a5 7.b5=) 7.bc5= Bc5 8.Bb5 (8.d4 Be7=) 8...Nc6 (8...a6 9.Be2=+) 9.a4 (9.0-0 Bd6=+) 9...a6 10.Bc6 bc6 11.0-0 Be7 (11...Rb8 12.Ba3 Ba3 13.Ra3=+) 12.Ba3= c5 (12...e5 13.d4 (13.Ne5? Ba3 14.Nc6 Qd6–+) 13...Bg4 14.h3 Bf3 15.Qf3 ed4 16.ed4=) 13.d4 Qc7 14.Bc5 Bc5 15.dc5 Qc5 16.Qd3 Bd7 17.Rfb1 Rfc8 18.Rb3 Rc7 (18...Rab8 19.Rab1 Rb3 20.Rb3=+) 19.Ne5 (19.a5=) 19...Rac8 (better is 19...Qa5=+) 20.Qa6+= (20.Nd7?! Nd7 21.Qa6 Qe7=) 20...d4 21.ed4 Qd4 22.Nf3 (22.Nd7 Nd7 23.Rd1 Qe5+=) 22...Qd6?? (better is 22...Qc5+=) 23.Qd6+– (23...Rc3 24.Rc3 Rc3 25.Nd4+–) 1–0. b4_player (2215) – Robert1778 (1790), GameColony.com, 2003.

5.d3 a6 6.Nbd2 Nbd7 7.e3 c5 (7...0-0 8.Be2=) 8.c3 (8.bc5 Nc5 9.Bf6 Bf6=) 8...e5 (8...0-0 9.Be2=+) 9.Qc2 (9.Be2 0-0=) 9...Qc7 (9...b5 10.a4 ba4 11.bc5 Bc5 12.d4=) 10.Rc1 (10.bc5 Nc5 11.d4 e4=) 10...b5 (10...b6 11.bc5 bc5 12.Be2=) 11.Be2 (11.bc5 Nc5 12.c4 bc4 13.dc4 e4 14.Bf6 gf6+=) 11...Bb7 (11...c4 12.dc4 dc4 13.0-0=+) 12.0-0 (12.d4 c4=) 12...Rc8 (12...e4 13.de4 de4 14.Ng5-/+) 13.Qb1 (13.bc5 Nc5 14.d4 e4 15.dc5 ef3 16.Nf3 Bc5=) 13...Bd6 (13...e4 14.Nh4=+) 14.h3 (14.bc5 Nc5 15.d4 Ncd7=) 14...h6 (14...c4 15.dc4 dc4 16.a4=+) 15.Nh4 (15.c4 e4 (worse 15...cb4 16.c5+–) 16.de4 dc4= (worse 16...de4 17.Nh4+–)) 15...0-0 16.Nf5 e4 (16...Rfe8 17.d4 c4 18.Nd6 Qd6 19.de5 Ne5 20.Rcd1=) 17.Nd6 (17.de4 Rfe8+=) 17...Qd6= 18.Rfd1 (18.de4 cb4 19.e5 Ne5 20.cb4 Nc4=) 18...Qe7 (18...ed3 19.Bd3 Rfe8 20.Nf3=) 19.Nf1 (19.de4 cb4 20.cb4 de4 21.Rc8 Rc8=) 19...cb4 (19...c4!? 20.dc4 dc4=+) 20.cb4+= Rc1 (20...Qe6 21.Bd4+=) 21.Rc1 Qd6 22.Ng3 Qe6 (22...Ne5 23.Bd4 Re8 24.de4 de4 25.Qa1+=) 23.Rc7+– Qb6 (23...Ba8 24.Bd4+=) 24.Qc2 Re8?? (better 24...Ba8+–) 25.Bd4+– ed3 (25...Qe6 26.Rb7 Rd8 27.a4 ba4 28.de4 de4 29.Bc4+–) 26.Bd3 Qd6 27.Rb7 Qe6 (27...Ne5 28.Nf5 Qd8 29.Rb6+–) 28.Qc7 (better 28.Bf5 Qe7 29.Bd7 Nd7+–) 28...Nf8 (28...g6 29.Bf6 Nf6 30.Bg6 Rf8+–) 29.Bf5 Rc8 30.Qc8 Qc8 31.Bc8 Ne4 32.Nf5 (32.Ne4 de4 33.Rb8 h5 34.Ba6 g6+–) 32...Nf6 33.Rb8 Ne4 34.Ba6 g6 35.Ne7 (35.Ne7 Kh7 36.Rf8 f6 37.Rf7 Kh8 38.f3 g5 39.fe4 de4 40.Bf6) 1–0. Rtishchev,Viktor I – Bryunin,Elisei, Russia?, 2018. (=1.Nf3 Nf6 2.b4 e6 3.a3 a6 4.Bb2 Be7 5.d3 d5)

5.d3 b6 6.e3 Bb7 7.Be2 c5 8.bc5 bc5 9.Nbd2 Nc6 10.0-0 0-0 11.Qb1 Bd6?? (better is 11...Rb8=) 12.Bf6+– Qf6 13.Qb7 Ne5 14.Qa6 Rfd8 15.c4 d4 16.Ne4 Be7 (16...Nf3 17.Bf3 Qe5 18.Nd6 Rd6 19.ed4 Qd4+–) 17.Nf6 Bf6 18.ed4 cd4 19.Ne5 Be5 20.Bf3 Rab8 21.Qa7 Rb2 22.Rfb1 1–0. kamret (2225) – NN, GameColony.com, 2003.

5.d3 c5 6.bc5 Bc5 7.e3 Nbd7 (7...Nc6 8.Nc3+=) 8.Nbd2 (8.Nc3 Bd6=) 8...0-0+= 9.Be2 b6 10.d4 Bd6 11.Bd3 (11.0-0 Bb7=) 11...Bb7 12.0-0 Qc7 (12...Ne4 13.c4=) 13.Rc1 Ne4 14.c4 Qd8 15.cd5 ed5 16.Qb3 Ndf6 17.Rfd1 (17.Rcd1 Nd2 18.Rd2 Ne4+=) 17...Rc8?? (better is 17...Ng4-/+) 18.h3 (18.Rc8 Qc8 19.Ne5 Qe6=) 18...Rc1 19.Rc1 Qb8 20.a4 (20.Rd1 Rc8=) 20...Rc8= 21.Rc8 Qc8 22.Qc2 (22.Ba3 Bb8=) 22...Qc2 (22...Bb4 23.Nb1=) 23.Bc2= Bc6 (23...Nd2 24.Nd2 Kf8 25.Nb1=) 24.Bb3 (24.Ne5 Bb7 25.Nb3 g6=) 24...Bb4 (24...h6 25.Nb1=) 25.Ne4= de4 (25...Ne4 26.Ne5 Bb7 27.Nd3=) 26.Ne5 (26.Ng5!?+=) 26...Bd5= 27.Bd5 Nd5 28.Nc6 a5 29.Kf1 Kf8 30.Nb4 ab4 31.Ke2 Ke7 32.Kd2 Kd6 33.Kc2 Kc6 34.Kb3 b5 35.Bc1 ba4 36.Ka4 b3 (better is 36...Nc3!? 37.Kb3 Kb5=) 37.Kb3+/– Kb5 38.Ba3 f5 39.g3 h5 40.Bd6 g6 41.Kc2 Kc4 42.Kd2 Nb6 43.Ke2 Nd5 44.Ba3 Nc3 45.Kf1 Nd5 46.Bd6 Kd3 47.Bf4 Nc3 48.g4 Nd5 (48...fg4 49.hg4; 48...hg4 49.hg4) 49.gf5 gf5 50.Be5 Kc4 51.h4 Ne7 52.Bc7 Kd5 53.Kg2 Ng6 54.Kg3 Ke6 55.Bb6 (55.Bd8 Kd5+/–) 55...Kd5 (55...f4 56.Kh3+=) 56.Ba7 Ke6 (56...f4 57.Kh3 Ne7+=) 57.f3 (better is 57.Bb8!?+/–) 57...Kd5 58.Bb6 Kc6 (better is 58...ef3!? 59.Kf3 Nh4 60.Kf4 Ng2 61.Kf5 Ne3 62.Kg5 h4=) 59.fe4 Kb6?? (better is 59...fe4 60.Bd8 Kd7+/–) 60.ef5+– Nf8 (60...Nh8+–) 61.Kf4 Kc6 62.Kg5 Kd5 (62...Kd6 63.e4 Ke7+–) 63.Kh5 (better is 63.Kf6 Nd7 64.Kf7 Nb6+–) 63...Kd6?? (better is 63...Ke4 64.Kh6 Kf5+–) 64.Kg5 (better is 64.Kh6 Nd7 65.Kg7 Kd5+–) 64...Ke7 65.d5 (65.e4 Nd7 66.e5 Ke8+–) 65...Nd7 66.Kf4 (better is 66.h5 Ne5+–) 66...Nf6 67.Ke5 Nh5 1–0. Amor Alcaide,Manuel (1995) – Molina Manas,Miquel (1630), 11th Torneig Internacional Sant, 2009.

5.d3 c6 6.e3 0-0 7.Be2 Nbd7 8.0-0 b6 9.Nbd2 Bb7 10.e4 c5 11.bc5 bc5 12.ed5 ed5 13.Qb1 Rb8=+ 14.Nb3 Ba6 15.Qa2 Qc7 16.Rfe1 Rfe8 17.Bf1 Bd6 18.Nbd2 h6 19.g3 Qa5 20.c3 Ne5 21.Ne5 Be5 22.d4? cd4–+ 23.Ba6? Qa6 24.cd4-/+ Bd6 25.Kg2 Qd3–+ 26.Nf3? Re1 27.Re1 Qc2 28.Rb1 Ne4 29.Qd5 Qf2 30.Kh3 Qf3 31.Qa5 Nf2 32.Kh4 Qg4# 0–1. tightfist (2200) – kuksifae (2200), net–chess.com, 2009.

5.d3 Nc6 6.g3 Bd7 7.Bg2 Bd6 8.c4 dc4 9.dc4 0-0 10.Qc2 Re8 11.b5 Na5 12.c5 Be7 13.c6 bc6 14.Qc3 Nb7? (better is 14...cb5 15.Qa5 c5+/–) 15.bc6+– Bc6 16.Qc6 Rb8 17.Nbd2 Na5 18.Qc2 c5 19.0-0 Bd6 20.Ng5 g6 21.Bf6 Qf6 22.Nde4 Qe7 23.Qc3 Nc6 (23...Qc7 24.Nf6 Kf8 25.Ngh7 Ke7 26.Ne8 Ke8+–) 24.Nf6 Kg7 (24...Kh8 25.Bc6 e5 26.Ne8 Re8 27.Be8 Qe8+–) 25.Nh5 Kg8 (25...Kh6 26.Qg7 Kg5 27.h4 Kf5 28.e4 Kg4 29.f3 Kh5 30.Qh7) 26.Qg7 1–0. marekt – pieeater, ChessWorld.net, 2013. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 Be7)

5.e3 a5 6.b5 Nbd7 7.Be2 0-0 8.0-0 c5 9.c4 b6 10.d4 Bb7 11.Nbd2 cd4 12.ed4 Rc8 13.Rc1 Rc7 14.Qa4 Qa8 15.cd5 Rc1 16.Rc1 Nd5 17.g3 Rc8 18.Rc8 Qc8 19.Nc4 f6 20.Qb3 Nf8 21.Nfd2 Nd7 22.Bg4 f5 23.Bf3 Qc7 24.Qd3 Bg5 25.Qe2 Kf7 26.Bd5 Bd5 27.Qh5 Kg8 28.Qg5 Bc4 29.d5! e5 30.d6 Qc8 31.Nc4 Qc4 32.Qd8 Nf8 33.Qb6 Qc2? 34.Qc6 Qb2 35.Qd5 Kh8 36.d7 Qc1 37.Kg2 (37.Kg2 Qc7 38.d8Q Qd8 39.Qd8 Kg8 40.Qd5 Ne6 41.Qe6 Kf8 42.b6 f4 43.b7 f3 44.Kh3 g6 45.Qd7 e4 46.b8Q#) 1–0. Engqvist,Thomas (2395) – Kiik,Kalle (2395), Oslo2, 1992. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Be7 5.e3)

5.e3 c6 6.c4 Nbd7 7.c5 0-0 8.d4 b6 9.Qa4 b5 10.Qc2 a5 11.Bd3 ab4 12.ab4 Ra1 13.Ba1 Qc7 14.h3 Bb7 15.0-0 Ra8 16.Nbd2 Qb8 17.Ne5 h6 18.f4 Qa7 19.Bb2 Qa4 20.Qc3 Qa7 21.g4 Nf8 22.Nb3 Bd8 23.Nd2 Qb8 24.Ndf3 Bc7 25.Rf2 (25.g5 Ne4 26.Be4 de4 27.d5 Be5 28.Ne5 cd5 29.Nf7+–) 25...Ne4+= 26.Be4 de4 27.Nd2 f5?? (better is 27...f6+=) 28.gf5+– ef5 29.Nc6! Bc6 30.d5 Ne6?? (30...Bd5 31.Qg7 Mate attack) 31.de6+– (31.dc6?! Qf8+=) 31...Qf8 32.Rg2 (32.Rg2 Be5 33.Qe5+–) 1–0. Schalkwijk,Peter – Raines,David, 3. LSS No Engine Cup Preliminary, 2009.

5.e3 d5 6.c4 dc4 7.Bc4 c5 8.bc5 Bc5 9.0-0 Bd7 10.d4 Bb6 11.Nc3 Bc6 12.Ne5 Bc7 13.Nc6 Nc6 14.Qc2 Ne7 15.Bd3 Qd6 16.g3 g6?? (better is 16...Qd8+=) 17.Nb5+– Qc6 18.Qc6 (18.Nc7?! Qc2 19.Bc2 Rac8+/–) 18...bc6 19.Nc7 Rac8 (19...Rab8 20.Rab1+–) 20.Na6 Nfd5 21.Rfc1 Nf5 (21...f5 22.Rab1+–) 22.e4 Nd4 (22...Nd6 23.ed5 cd5 24.Rab1+–) 23.Bd4 (23.Bd4 Rfd8 24.Ba7+–) 1–0. Fournier,Frederic (2030) – sagyn19_90, ChessOK.com, 2013.

5.e3 Nbd7 (--> 4.a3 Nbd7 5.e3 Be7).

5.e3 h6 6.Be2 c6 7.c4 dc4 8.Bc4 0-0 9.0-0 Nbd7 10.d4 Nb6 11.Bd3 Nbd5 12.Nbd2 Qc7 13.Qc2 Bd6? (better is 13...a5+=) 14.e4+– Nf4 15.e5 Nd3 16.Qd3 Nd5 17.ed6 Qd6 18.Ne5 f6 19.Nef3 b6 20.Qc2 Bb7 21.Rfe1 c5? (21...Qd7+–) 22.dc5 bc5 23.Qc5 Qd7 24.Rac1 Rac8 (24...a5 25.ba5 Rfc8 26.Qd4+–) 25.Qd4 (better is 25.Qa7!? e5 26.Ne4 Nf4+–) 25...e5 26.Qd3 Qe6 27.Ne4 Rc1 28.Rc1 Nf4+/– 29.Qf1?? Be4+= 30.Qd1?? Bf3–+ 31.gf3 Re8 32.Kf1?? Nd5 33.Qd3 Qe7?? 34.Qe4?? Rd8 35.Rd1? Nc7?? 36.Rd8+= Qd8 37.Qc6 Qd3-/+ 38.Kg2 Qd8 39.Qc1 Kh8 40.Qc3 Ne6 (40...Ne6 41.Bc1 Qd7+=) 0–1. Fournier,Frederic (1645) – vampire666 (1630), Active, 2006.

5.e4 0-0 6.e5 Nfd7 7.d4 c5 8.bc5 b6 9.cb6 ab6 (9...Qb6!? 10.Ra2 f6 11.ef6 Bf6+=) 10.Bd3 Nc6 11.0-0 Na5 12.Nbd2 Ba6 13.Qe2 Bd3 14.cd3 Rc8 15.Rfc1 Nb8 16.Qd1 Nbc6 17.Qa4 Ra8 18.Qb5 (worse 18.Rc6 Qe8 19.Rac1 Rc8 20.Qa5 ba5 21.Rc8 Qc8 22.Rc8 Rc8=) 18...Rb8?? (18...Na7 19.Qa4 N7c6 20.g4+= (worse 20.Rc6 Qe8=)) 19.Nb3?? (better 19.Rc6 Nc6 20.Qc6+-) 19...Nb3 20.Qb3 Na5 21.Qb5 Rc8 22.Nd2 Rb8 23.h3 h6 24.g3 Bg5 25.f4 Be7 26.Kg2 h5 27.Rc2 g6 28.Rac1 Nb7 29.Rc7 Na5 30.Rd7 Qe8 31.Rcc7 Bd8 32.Ra7 Rc8 33.a4?? (better 33.Rf7! Qf7 34.Rf7 Rf7 35.Nf1+-) 33...Rc2= 34.Qb4?? (better 34.Kf1 Nc6 35.Rab7=) 34...Nb3 (better 34...Nc6 35.Qb3 Rd2 36.Kg1 Na7 37.Ra7 Qc6-+) 35.Qb3+- Rd2 36.Kf3 Rh2 (36...h4 37.Ba3 hg3 38.Kg3 g5 39.fg5 Bg5+-) 37.Ba3 h4 (37...g5 38.Qb4 g4 39.hg4 hg4 40.Ke3+-) 38.Bf8 Rh3 (38...Qf8 39.Ra8 Kh7 40.Rdd8+-) 39.Rf7 (39.Ba3 Rg3 40.Kf2 Rg4 41.Rf7 Qf7 42.Rf7 Kf7+-) 39...Rg3 (39...Qf7 40.Rf7 Kf7 41.Ba3 Rg3 42.Kf2+-) 40.Kf2 Qf7 41.Rf7 Kf7 42.Ba3 Rh3 43.Kg2 (43.Qb4 Rh2 44.Kg1 Kg7 45.Kh2 Kh8 46.Qf8 Kh7 47.Qd8 Kg7 48.Bf8 Kf7 49.Qe7 Kg8 50.Qg7) 43...Rg3 44.Kh2 g5 45.fg5 (better 45.Qb5 Kg6 46.Bc1+-) 45...Rg5 (45...Bg5 46.Qb5 Re3 47.Qd7 Kg6 48.Qe6 Kh5+-) 46.Qb5 Rf5 47.Qd7 (47.Qd7 Kg8 48.Qe6 Rf7 49.Qg6 Rg7 50.Qe8 Kh7 51.Qd8 Rg6 52.Qd7 Kg8 53.e6 Rg7 54.e7 Kh8 55.e8Q Kh7 56.Qh5 Kg8 57.Qde8) 1-0. ZibbitVideos (2475) - toar4 (2375), Rated Bullet game, lichess.org, 2015.

5.Bf6 Bf6 6.c3 0-0 7.d4 b6 8.Nbd2 Bb7 9.e3 Nd7 10.Bd3 c5 (10...h6 11.0-0=) 11.0-0 (11.bc5 bc5 12.Bh7 Kh7 13.Qb1 Kg8 14.Qb7 Qe7+=) 11...cd4 (11...c4 12.Bb1=) 12.cd4 Rc8 13.Rc1 Qe7 14.Rc8 Rc8 15.Qe2 g6 16.Qd1 Qd6 17.Qb1 e5 18.de5 Ne5 19.Ne5 Be5 20.Nf3 Bg7 21.Rc1 Rd8 22.Rd1 a5 (22...Rc8 23.Qb3=) 23.Bf1 (better 23.ba5!? Ra8 24.Qb6 Qb6 25.ab6 Ra3 26.Ne1+=) 23...ab4 24.Qb4 Qb4 25.ab4 Bf8 26.b5 Bg7 27.Nd4 Rc8 28.g3 Rc3 29.Bg2 (29.Ra1 Bd4 30.ed4 Kg7+=) 29...Rc5= 30.h4 (30.Rb1 Bd4 31.ed4 Rc4=) 30...Bd4=+ 31.Rd4 Attacking the isolated pawn on d5 31...Rb5 32.h5 gh5 33.Rh4 Rc5 34.Rh5 b5 35.Re5 (35.Rh4 Rc1 36.Kh2 Rc2-/+) 35...b4 36.Re8 Kg7 37.Rb8 Rb5?? (37...Rc7 38.Bf1-+) 38.Bf1? (better 38.Bd5 Bc6 39.Rb5 Bb5 40.Bb3=+) 38...Rb6-+ 39.Bd3 b3 40.Bb1 b2 41.Kf1?? (better 41.g4-+) 41...Ba6 42.Ke1 Rb8 43.Kd2 Rc8 0-1. black_bishop_88 (2535) - Gen_01 (2490), lichess.org, 2020. (=1.a3 e6 2.b4 d5 3.Bb2 Nf6 4.Nf3 Be7)

5.Rg1 0-0 6.e3=+.

5.Rg1 c5 6.bc5 Bc5 7.e3 Nbd7 8.g4 h6 (8...0-0 9.d3=+) 9.h4 Nb6 (9...Rb8 10.g5 hg5 11.hg5+=) 10.g5+= hg5 11.hg5 Nh5 12.Rh1 (12.Ne5 Bd7 13.Qf3+- (13.Nd7?! Nd7 14.Be2 Nf4+=)) 12...Kd7?? (better 12...Ke7+=) 13.Ne5+- Ke7 14.Rh5 Rh5 15.Qh5 (15.Qh5 Qg8 16.Nc3+-) 1-0. opperwezen (2735) - mirhet (2315), lichess.org, 2016.

5.Rg1 h5 6.e3= Nc6 7.Nc3 0-0 8.h3 a6 9.Ng5 (9.g4 hg4 10.hg4 e5=) 9...e5=+ 10.Qf3 d4 (better 10...Ne8 11.h4 Nf6-/+) 11.Bc4?? (better 11.Nce4=) 11...dc3-+ 12.Bf7?? (12.Bc3 Bd7 13.Ne4 Ne4 14.Qe4-+) 12...Rf7 13.Bc3 (13.Bc3 Rf8 14.Ne4-+). opperwezen (2705) - JannLee (2645), lichess.org, 2020.

5.Rg1 h6 6.g4 a5 7.h4 (7.ba5 Ra5 8.e3 c6=+) 7...ab4-/+ 8.ab4 Ra1 9.Ba1 Nc6 (better 9...Bb4!? 10.g5 hg5 11.hg5 Nh5=+) 10.g5 hg5 11.hg5 Nh5 12.Rh1 Kd7? (better 12...Bb4 13.Bg7 Rh7=) 13.Bf6?? (better 13.b5 Na5 14.Ne5 Ke8 15.e3 Bg5 16.Rh5+-) 13...Kd6 (better 13...gf6!? 14.b5 Ne5 15.e3-+) 14.Be5?? (14.Be7 Ke7 15.b5 Na5+=) 14...Kd7?? (better 14...Ne5 15.Ne5 Ke5-+) 15.Bf6?? (better 15.b5 Ne5 16.Ne5 Ke8 17.e3+/-) 15…gf6-+ 0-1. opperwezen (2735) - Claverie_Tramposo (2430), lichess.org, 2016.

5.g3 0-0 6.Bg2 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 d5 4.g3 Be7 5.Bg2 0-0 6.Nf3).

5.g4 h6 6.h4 Bd7 7.Bg2 (7.Bh3 Rg8=) 7...Nc6 (7...Ng4 8.Bg7 Rg8 9.Bb2-/+) 8.g5=+ hg5 9.hg5 Rh1 10.Bh1 Nh5 11.g6 fg6 12.c4 dc4 13.Qc2 Nf4 14.Qc4 Nh5 (14...Bf6!? 15.d4 g5=) 15.Nc3 (15.b5 Na5 16.Qa4 Bf6 17.Bf6 Qf6+/-) 15...Bf6 16.d4 (16.Qe4 Qe7+/-) 16...Qe7 (16...g5+=) 17.d5 (17.b5 Na5 18.Qc7 Qd8 19.Qd8 Rd8+/-) 17...Ne5 (better 17...Bc3 18.Bc3 ed5 19.Qd5 Qe2 20.Ke2 Nf4 21.Kd2 Nd5 22.Re1 Nce7 23.Bg7 0-0-0=+) 18.Ne5+/- (18.Qc7 Rc8 19.Qb7 Nf3 20.Bf3 Rc3-/+) 18...Be5 19.de6 Be6 (19...Qe6!? 20.Qe6 Be6 21.Bb7 Rd8+/-) 20.Qb5+- Bd7 21.Qb7 Bc3 (21...Rc8 22.Bc6 (22.Qa7?! c5+=) 22...Kf7 23.Bd7 Qd7 24.Nb5 (24.Qa7 Nf4 25.Qa6 Re8 26.Qc4 Kf8 27.Qc5 Re7=+) 24...Bb2 25.Rd1+-) 22.Bc3 Rd8 23.Qc7 Rc8 24.Qe5 Qe5 25.Be5 Kf7 26.Bd5 Be6 27.Rd1 Bd5 28.Rd5 Ra8 (28...Ke6 29.Ra5 a6+-) 29.Ra5 Nf6 30.Bd4 Nd5 (30...a6 31.b5 Rd8 32.ba6 Rh8+-) 31.Rd5 1-0. black_bishop_88 (2565) - Vladyslav2008 (1870), lichess.org, 2020. (=1.a3 d5 2.b4 Nf6 3.Bb2 e6 4.Nf3 Be7)

6.Nc3 0-0 7.e3 b6 8.Bc4= Bb7 9.0-0. wlittle (2125) – tomy (2150), net–chess.com, 2004.

6.Nc3 c6 7.e4 =+.

6.e3 b5 7.Nc3 c6-/+ 8.Nd4 Bb7 9.Qf3 Qc7 10.d3 cd3 11.Bd3 0-0 12.Rc1 Qd7 13.0-0? a5?? 14.Qe2? ab4–+ 15.ab4 Bb4 16.Nb3 Na6 17.Na2 Be7 18.Rfd1-/+ Qe8 19.Qc2 h6 20.h3? c5–+ 21.Nd2 c4 22.Be4 Ne4 23.Ne4 Qc6 24.f3 Rfd8 25.Bd4 b4 26.Qc4 Qc4 27.Rc4 e5! (28.Rdc1 ed4 29.Rd4 Rd4 30.ed4 Bd5 31.Nb4 Bb4–+) 0–1. wlittle (2105) – borisvod (2210), net–chess.com, 2005.

6.c4 dc4 7.dc4 Qd1 8.Kd1 Nc6 (8...Nbd7 9.c5=+) 9.e3 e5 10.b5 (10.Be5 Ng4; 10.Ne5 Ng4) 10...Rd8= 11.Ke2 (11.Nbd2 Na5 12.Be5 Ng4+=) 11...Na5 12.Nfd2 (< 12.Be5 Nb3-/+ (12...Nc4?! 13.Bc7 Rd7 14.Bf4=)) 12...c6 (12...Nd7=+) 13.bc6?? (better is 13.Bc3 b6 14.Ba5 ba5 15.bc6 Bg4 16.Ke1+=) 13...Nc6-/+ 14.Nc3 Bg4 15.f3 Be6 16.Kf2?? h5 17.Nce4?? Ne4–+ 18.Ne4 Bf5 19.Be2=+ Be4 20.fe4 f6 21.g3 Rd2=+ 22.Bc3 Rc2-/+ 23.Rac1 Rc1 24.Rc1 Rd8 25.Bh5 Na5?? 26.Ba5+– b6 27.Bc3 Rc8 28.Be2 Rc5 29.a4 Rc7 30.a5 ba5 31.Ba5 Rc5 32.Bb4 Rc7 33.Be7 Re7 34.c5 Rc7 35.c6 Kf7 36.Ba6 Kg6 37.Bb7 Kh5 38.Ra1 Kg4 39.Ra7 Kh3 40.Ra8 Kg4 41.Rh8 Kg5 42.Rh4 Kg6 43.g4 f5 44.gf5 Kf6 45.Rg4 Kf7 46.h4 1–0. Nautiluschess – checbenj, ICS, 2001.

6.Nbd2 a5 7.ba5 A) 7...Ra5 8.e3 (8.e4 Nbd7 9.e5 Ng4 10.Be2 c5 11.h3 Nh6 12.Nb3 Ra4 13.c4+=) 8...Nbd7 9.Be2 Bd6 10.c4 Qe7 11.0-0 Ba3 12.Bc3 Ra7 13.Qb3=; B) 7...Nbd7 8.Nb3 (8.e4 Ra5 9.e5 Ng4 10.Be2 c5 11.h3 Nh6 12.0-0 f6 13.d4=; 8.Bc3 Bd6 9.e3 e5 10.Be2 Qe7 11.0-0 Rd8 12.Rb1 Ba3 13.Nb3+=; 8.e3 Ra5 9.Be2 Bd6 10.c4 Qe7 11.0-0 Ba3 12.Qc2 Bb4 13.Ra5+=; 8.c4 Ra5 9.e3 Bd6 10.d4 b6 11.Bd3 Bb7 12.0-0 Qa8 13.Nb3=) 8...Bd6 9.e3 e5 10.Be2 Qe7 11.0-0 Rd8 12.Rb1 Qe6 13.Qd2=; C) 7...Bd7 8.Bc3 (8.Nb3 Nc6 9.e3 Na5 10.Be2 Bd6 11.Ne5 Qe7 12.Nd7 Nd7 13.Nd4+=; 8.e3 Ra5 9.Be2 Ba4 10.0-0 Nbd7 11.Qc1 Bd6 12.c4 Re8 13.Rb1=; 8.e4 Ra5 9.e5 Nh5 10.Nb3 Ra4 11.g3 f6 12.Bh3 f5 13.Bg2=) 8...Nc6 9.e4 Na5 10.e5 Nh5 11.Nb1 f5 12.Bd2 Nc6 13.d4=; D) 7...c5 8.e3 (8.Nb3 Nc6 9.e3 Na5 10.Be2 Nc6 11.Rb1 Qd6 12.c4 e5 13.cd5+=) 8...Qa5 9.Be2 Rd8 10.0-0 b5 11.Nb3 Qa4 12.Rb1 Bb7 13.Nbd2+=.

6.Nbd2 a5 7.b5 A) 7...Bd7 8.a4 (8.c4 c6 9.bc6 Nc6 10.Rb1 dc4 11.dc4 Qc7 12.Bf6 Bf6 13.Qb3+=; 8.Rb1 c6 9.bc6 Bc6 10.e3 Nbd7 11.Be2 Qc7 12.c4 dc4 13.Nc4=) 8...c6 9.c4 Bb4 10.e3 Qe7 11.Be2 dc4 12.dc4 Ne4 13.Bd3=; B) 7...c6 8.c4 (8.bc6 Nc6 9.e4 de4 10.Ne4 a4 11.Qd2 b5 12.Be2 Bb7 13.Bf6+=; 8.a4 cb5 9.ab5 a4 10.e4 Qb6 11.e5 Ng4 12.d4 Bd7 13.Qb1=) 8...Bd7 9.bc6 Bc6 10.cd5 Nd5 11.Rc1 Nd7 12.e3 Rc8 13.Nd4=; C) 7...a4 8.e4 (8.c4 c6 9.e4 Qa5 10.e5 Ng4 11.h3 Nh6 12.bc6 Nc6 13.d4=) 8...c6 9.e5 Nfd7 10.bc6 Nc6 11.d4 f6 12.ef6 Nf6 13.Rb1=; D) 7...c5 8.e3 (8.e4 Qb6 9.a4 Nbd7 10.e5 Ng4 11.h3 Nh6 12.Be2 f6 13.ef6=; 8.Rb1 Nbd7 9.e3 Bd6 10.Be2 e5 11.e4 d4 12.Nc4 Qe7 13.Bc1=) 8...Bd6 9.Be2 Re8 10.c4 Nbd7 11.Qc2 b6 12.0-0 Bb7 13.Rac1=.

6.Nbd2 a6 7.c4 dc4 8.Nc4 b5 9.Na5 Nbd7 10.Rc1 Nb6 11.Nc6 Qe8 12.Ne7 Qe7 13.e4 Bb7 14.Qc2 Rac8 15.Qc5 Qc5 (15...Qd8 16.Qg5+=) 16.bc5+/– (16.Rc5?! Na4 17.Bf6 Nc5+=) 16...Na4 17.c6 Ba8 18.Bd4 Rfd8 19.Be2 h6 20.Ba7 Rd6 (better is 20...Ne8!?+/–) 21.e5+– Rdd8 (better is 21...Rc6 22.Rc6 Bc6 23.ef6 gf6+–) 22.ef6 gf6 23.Nd2 Rd6 24.Ne4 Rc6 25.Nf6 Kg7 26.Rc6 Kf6? (26...Bc6 27.Bd4 Bb7+–) 27.Bd4 Kg6 28.Ra6 Bd5 29.Kd2 c6 30.Rc1 h5 (30...Rd8 31.g4+–) 31.g4 hg4 32.Bg4 f5 (32...Rf8 33.h3+–) 33.Be2 (33.Be2 Kh6 34.Rg1+–) 1–0. marekt – greenrat777, internet, 2012.

6.Nbd2 a6 7.e3 Nbd7 8.Be2 b5 9.0-0 c5 10.bc5 Nc5 11.c4 Na4 12.Bc1 (12.Bd4!?=) 12...Nc3=+ 13.Qe1 Ne2 14.Qe2 dc4 (14...bc4 15.dc4 Rb8 16.cd5 Qd5 17.e4=+) 15.dc4= bc4 16.Nc4 Bb7 17.Bb2 Nd5 (17...Rc8!?=) 18.Rfd1 Bf6 (18...Rc8+=) 19.Bf6 (better 19.e4 Nf4 20.Qe3+/-) 19...Qf6= (19...Nf6?? 20.Rd8 Rfd8 21.Nd4+-) 20.Nd6?? (better 20.Qe1=) 20...Nc3-+ 21.Qd2 Bf3 22.Re1 (22.gf3 Rfd8 23.Qc2 Nd1 24.Rd1 Qf3-+) 22...Bd5 (better 22...Qg6 23.g3 Qg4-+) 23.e4 (23.Rac1 Qg6 24.f3 Nb5-+) 23...Be4! 24.Ne4 (24.Ne4 Ne4 Combination; 24.Re4 Ne4 Combination) 24...Ne4 25.Qe3 Nc3 26.Rac1 Nd5 27.Qd3 h6 (27...Rfd8 28.Qc4-+) 28.g3 (28.Rc6 Rfd8 29.Qf1 a5-+) 28...Rfd8 29.Qe4 Qb2 30.a4 (30.Qa4 Nc3 31.Qc2 Qc2 32.Rc2 Nb5-+) 30...Nf6 (30...Nc3 31.Qf3 Rac8 32.Ra1-+) 31.Qf4 (31.Qc6-+) 31...Nd5 32.Qg4?? (32.Qe4 Nc3 33.Qf3-+) 32...Nc3-+ 33.Qc4 (33.Qf3 Rac8 34.Ra1 Rd2-+) 33...Rdc8 (33...Rac8!? 34.Qa6 Ne2 35.Qe2 Qe2 36.Re2 Rc1 37.Kg2-+) 34.Qf1 Na4 (34...Qb4!? 35.Re3-+) 35.Rc8 Rc8 36.h4 (36.Qa6 Nb6-+) 36...Nb6 (better 36...Nc5!? 37.Rc1-+) 37.Qa6 Rc2 38.Rf1 Nd5 0-1. e4_e5_f4 (1720) - Komolek (1755), lichess.org, 2021.

6.Nbd2 c5 7.c3 a6 8.e4 b5 9.Qc2 de4 10.de4 c4 11.a4 Bb7 12.ab5 ab5 13.Ra8 Ba8 14.Nd4 Qb6 15.Be2 Rd8 16.0-0 Nc6 17.Nc6 Qc6 18.f3 Qd7 19.Ra1? (better 19.Bc1=+) 19...Qd2-+ 20.Qd2 Rd2 21.Ra8 Bf8 22.Bc4 bc4 (22...Rb2?! 23.Bb5 g5 24.Rd8-/+) 23.Ba3 Ra2 24.b5 (24.Kf1-+) 24...Ra3 25.Ra3 Ba3 26.b6 (26.Kf1 Bc5-+) 26…Bd6 0-1. Reppko (2160) - TrialB (2050), Rated Bullet game, lichess.org, 2013.

6.Nbd2 c5 7.bc5 Bc5 8.e3 Nc6 9.Be2 b5 10.0-0 a5 (better 10...Bd7!?=) 11.d4 Bd6 (11...Be7 12.Bb5 Rb8 13.a4+=) 12.Bb5+– Qb6 (12...Rb8 13.c4+– (13.Bc6?! Qc7=)) 13.a4 Na7 14.Qe2 (14.c4 Nb5 15.Qb3 Ne4+–) 14...Rb8? (14...Nb5 15.ab5 Bd7=) 15.Rab1?? (15.c4 Nb5 16.cb5 Bb7+–) 15...Qc7?? (15...Nb5 16.Qb5 Qa7-/+ (16...Qb5?! 17.ab5 Rb5 18.c4 dc4 19.Nc4=)) 16.Ba1 (better 16.c4!?+–) 16...Nb5+= 17.Rb5 (better 17.ab5 Bd7 18.c4=) 17...Rb5-/+ 18.Qb5 Bb4 (18...Bd7 19.Qd3 Rc8 20.Ne5 Ba4 21.c4-/+) 19.Rc1 (19.c3 Bd6=) 19...Bd7=+ 20.Qd3 Ba4 Exerts pressure on the backward pawn 21.c4 Bb5 22.Bb2 (22.cb5 Qc1 Double attack (22...Qc1 Pinning; 22...Qc1 Deflection)) 22...dc4-/+ 23.Nc4 Qb7 (better 23...Nd5 24.Qc2 Rc8-/+) 24.Nd6?? (better 24.Nfe5=+) 24...Bd6–+ 25.Qc2 Nd5 (better 25...a4 26.d5 Qd5 27.Rd1–+) 26.Ng5 g6 27.h4 (27.Ne4 Bb4–+) 27...Nb4 28.Qd1 (28.Qd2 Nd3 29.Ra1 h6–+) 28...Nd3 29.Rb1 Nb2 (29...Rc8!? 30.Ba1–+) 30.Rb2 Bb4 31.h5 h6 32.Nf3 Bc6 (32...Qe4 33.hg6 fg6 34.Nd2–+) 33.Nd2 (33.Ne5–+) 33...Bg2 34.hg6 f5 (34...Bh3 35.Qf3 Qf3 36.Nf3 fg6 37.Ne5–+) 35.Qh5 (35.f3 Bh3 36.Nc4–+) 35...Bd5 36.Qh6 Rf6 37.Qg5 (37.Kf1–+) 37...Qg7 38.Kf1 Rg6 39.Qd8 (39.Qh4 Qb7 40.f3 Qc7–+) 39...Kh7 40.Qh4 (40.Rb4 ab4 41.Qh4 Rh6–+) 40...Rh6 41.Qf4 (41.Qg3 Bd2 42.Qg7 Kg7–+) 41...Rh1 (41...Bd2 42.Rc2 Qg1 43.Ke2 Qe1 44.Kd3 Rh3 45.Rc8 Be3 46.Qc7 Kg6 47.Qf7 Kf7 48.Rc7 Kg6 49.Rg7 Kg7 50.fe3 Rh2 51.e4 fe4) 42.Ke2 Qg1 43.Rb1 Bc4! 44.Nc4 Qb1 45.Qc7 Kg8 (45...Kh6 46.Qf4 Kg7 47.Qc7 Kf6 48.Qe5 Kf7 49.Qc7 Be7 50.Nb2 Qb2 51.Kf3 Qb1 52.Qg3 Qd1 53.Kg2 Bd6 54.d5 Bg3 55.de6 Ke6 56.f4 Bh4 57.e4 Qf1) 46.Qd8 Bf8 47.Qg5 Kh7 48.Kf3 Qd1 49.Kf4 Bh6 (49...Bh6 50.Na5 Bg5 51.Ke5 Qf3 52.e4 Qe4 53.Kd6 Qd4 54.Kc6 Rb1 55.Nb3 Rb3 56.f3 Bd8 57.f4 Qd5) 0–1. owkenobi – chang55, gameknot.com, 2017.

6.Nbd2 c6 7.c4 a5 8.c5 (8.Bc3 ab4 9.ab4 Ra1 10.Qa1 Na6=) 8...ab4= 9.ab4 Ra1 10.Qa1 b6 (10...Na6 11.Qa4=) 11.d4 (11.Bd4 bc5 12.bc5 Nbd7=) 11...Ba6=+ 12.Ne5 Qc7 (12...Bb5 13.Qa7=+) 13.g3 (13.Bc1 Bb5=+) 13...Qb7 (13...Bb5 14.Bg2=+) 14.Nd3 (14.Bg2 Bb5=+) 14...Nbd7 (14...Bd3 15.ed3 Nbd7 16.Bc1-/+) 15.Bg2 (15.e3 Ra8 16.Qc1 Ne4-/+) 15...Ra8 16.Qc1 Bd3 17.ed3 Qa6 (17...Ra2 18.Bc3-/+) 18.0-0 (18.Qc3 Qb5-/+) 18...bc5 (18...Qd3 19.Qc3 Qg6 20.Rc1-/+) 19.dc5 (19.bc5 Qd3 20.Qc3 Qc3 21.Bc3 e5-/+) 19...Qd3 20.Rd1 (20.Re1 Ra4 21.Bf1 Qf5-/+) 20...Qb5 (20...Ra2 21.Bf1 Qf5 22.Qc3-/+) 21.Bc3-/+ Ra4 (21...e5 22.Re1-/+) 22.Qc2 (22.Bf1 Qb7-/+) 22...Ra7 (22...Rb4 23.Bb4 Qb4 24.Nb3-/+) 23.Nb3 Qb8 (23...Qb7 24.Nd4-/+) 24.Na5 Qc7 25.Bf1 (25.Re1!?-/+) 25...Ne4 26.Be1 Ne5 (better 26...e5-/+) 27.Qa4? (better 27.Bg2!? Nc5 28.bc5 Ra5 29.Ba5 Qa5 30.Qb1-/+) 27...Nf3 (27...Bc5 28.Kg2 Bb6 29.Rc1–+) 28.Kg2 Ne1 29.Re1 Bc5! 30.Qc6 (30.bc5 Qa5 Double attack (30...Ra5 Deflection; 30...Qa5 Decoy; 30...Ra5 Overloading)) 30...Bb4 31.Qe8 (31.Qc7 Rc7 32.Rb1 Bf8–+) 31...Bf8 32.Nc6 Nd6 (32...Rb7 33.Rc1–+) 33.Qb8 Qb8 (33...Qc6?! 34.Qa7 Ne4 35.f3=+) 34.Nb8 Ra2 (34...g6 35.Nc6 Rc7 36.Nd4–+) 35.Rc1 (35.Re2 Ra3–+) 35…g6 0–1. Ivanov,Oleg – Mladenov,Andrey, 180th MGU Open, 2017. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 Be7 5.d3 0-0 6.Nbd2 c6)

6.Nbd2 c6 7.g3 Nbd7 8.c4 Re8 9.Bg2 Bd6 10.e4+= de4 (10...Ng4 11.0-0+=) 11.Ne4 Ne4 (11...Bc7 12.0-0+=) 12.de4+– Be7 13.0-0 Bf6 (13...a5 14.Qb3+–) 14.e5 Be7 15.Qc2 Nb6 (15...Qc7 16.Rfd1+–) 16.Nd2 (16.Nd4 Qc7+–) 16...Qc7 (16...Na4 17.Bc1 Nb6 18.Rd1+–) 17.Ne4 Nd7 18.f4 Nb6 (18...c5 19.b5+–) 19.Rfd1+– Rd8 20.Rd8 Qd8 21.Nd6! Bd6 (21...f5 22.Rd1 Qc7 23.Ne8+–) 22.ed6 Qd6?! (22...Nd7+–) 23.c5 (23.c5 Qc7 24.cb6 Qb6 25.Kh1+–) 1–0. Janek – Tottig, internet, 2018.

6.Nbd2 Bd7 7.c4 A) 7...dc4 8.dc4 (8.Nc4 Nc6 9.b5 Nb8 10.Qb3 b6 11.a4 a6 12.e4 Qe8 13.Nd4=) 8...c5 9.Qb3 a5 10.b5 Qb6 11.e4 a4 12.Qc3 Rd8 13.Rd1+=; B) 7...a5 8.Bc3 (8.b5 c6 9.bc6 Bc6 10.cd5 Nd5 11.Rc1 Nd7 12.e3 Rc8 13.Nd4=) 8...ab4 9.ab4 Ra1 10.Qa1 b5 11.e4 bc4 12.e5 d4 13.Nd4=; C) 7...Na6 8.e4 (8.e3 c5 9.b5 Nb8 10.Be2 a6 11.ba6 Ra6 12.Rb1 dc4 13.dc4=) 8...c5 9.b5 Nc7 10.Be2 a6 11.a4 d4 12.b6 Nce8 13.a5=; D) 7...c5 8.bc5 Bc5 9.e3 dc4 10.d4 Be7 11.Bc4 Bc6 12.0-0 Nbd7 13.Rc1=.

6.Nbd2 Bd7 7.e3 A) 7...b6 8.Be2 (8.c4 a5 9.b5 c6 10.bc6 Nc6 11.Be2 Rc8 12.Rb1 dc4 13.Nc4=; 8.Nb3 c5 9.bc5 bc5 10.Rb1 Bd6 11.Be2 Qe7 12.Ne5 Nc6 13.Nd7=; 8.Rb1 c5 9.bc5 Bc5 10.Nb3 Bd6 11.e4 e5 12.ed5 Re8 13.c4+=; 8.e4 a5 9.e5 Nh5 10.ba5 Ra5 11.Nb3 Ra4 12.Bc1 c5 13.c4+=) 8...a5 9.ba5 Ra5 10.0-0 Nc6 11.c4 Bd6 12.Qb3 Re8 13.Bc3=; B) 7...b5 8.Nb3 (8.Be2 a5 9.ba5 c5 10.0-0 Qa5 11.c4 bc4 12.dc4 Ba4 13.Qc1=) 8...a6 9.Be2 Nc6 10.c4 dc4 11.dc4 bc4 12.Bc4 a5 13.b5+=; C) 7...Re8 8.c4 (8.Be2 a5 9.ba5 Ra5 10.0-0 Bd6 11.Ne5 Qe7 12.c4 Ba3 13.Bc3=; 8.Nb3 Bd6 9.c4 Ba4 10.c5 Be7 11.Be2 Nc6 12.0-0 b6 13.d4=; 8.e4 a5 9.e5 Nh5 10.b5 Nf4 11.c4 c6 12.Qa4 Qb6 13.Rb1=; 8.c3 a5 9.Be2 Bd6 10.0-0 ab4 11.ab4 Ra1 12.Qa1 b6 13.Rb1=) 8...a5 9.b5 c6 10.bc6 Nc6 11.Be2 Rb8 12.0-0 b5 13.Qc2=; D) 7...a5 8.ba5 (8.c3 Na6 9.Be2 c5 10.bc5 Nc5 11.0-0 Ba4 12.Qe1 Rc8 13.Ne5+=; 8.Bf6 Bf6 9.d4 Be7 10.b5 c5 11.c4 cd4 12.ed4 dc4 13.Bc4=; 8.Qb1 b5 9.Be2 Na6 10.ba5 Nc5 11.Be5 Ra5 12.c4 bc4 13.dc4=; 8.Bc3 ab4 9.ab4 Nc6 10.Ra8 Qa8 11.b5 Nb4 12.Bf6 Bf6 13.c4-/+) 8...Ra5 9.Be2 Bd6 10.e4 de4 11.de4 Bf4 12.Nb3 Ra7 13.0-0=.

6.Nbd2 Bd7 7.e4 A) 7...a5 8.c3 (8.e5 Ne8 9.c3 Nc6 10.d4 Na7 11.Be2 Bb5 12.0-0 Qd7 13.Nb3=; 8.ba5 Ra5 9.Be2 de4 10.de4 Na6 11.Ne5 Ba4 12.f3 Nc5 13.Bc3=; 8.Bc3 ab4 9.ab4 Ba4 10.e5 Nfd7 11.d4 Nc6 12.Qb1 b5 13.Bd3=; 8.Qb1 Ba4 9.ba5 Ra5 10.e5 Nh5 11.Nb3 Ra8 12.Qc1 f5 13.Be2=) 8...b5 9.e5 Nh5 10.Nb3 a4 11.Nc5 Nf4 12.c4 Bc6 13.cb5=; B) 7...de4 8.de4 c5 9.e5 Nd5 10.c4 Nb6 11.b5 a6 12.Qc2 ab5 13.cb5=; C) 7...b5 8.e5 (8.c4 a5 9.e5 Ng4 10.ba5 c5 11.Nb3 f6 12.ef6 Bf6 13.Bf6=) 8...Nh5 9.Nb3 Nf4 10.Bc1 Ng6 11.d4 Na6 12.Bd3 c6 13.0-0+/–; D) 7...Ba4 8.Bf6 (8.Rb1 b5 9.Be2 a5 10.ba5 c5 11.Qc1 Qa5 12.0-0 c4 13.e5+=; 8.Be2 a5 9.e5 Nfd7 10.ba5 Ra5 11.0-0 c5 12.d4 Qc7 13.Nb3+=; 8.e5 Nfd7 9.d4 a5 10.Bc3 Nc6 11.Qb1 ab4 12.ab4 b5 13.Bd3=) 8...Bf6 9.d4 a5 10.b5 Qd7 11.e5 Be7 12.Qb1 c5 13.dc5=.

6.Nbd2 Nbd7 7.c4 c6 (7...a5 8.b5+=) 8.e4= dc4 9.Nc4 (9.dc4 c5=) 9...Qc7 10.g3 (10.Qc2 c5 11.bc5 Nc5 12.Bf6 Bf6+=) 10...b5+= 11.Nce5 a5 12.Nd7 (12.Rc1 Bb7 (worse is 12...ab4 13.Nc6 Bc5 14.Nb4+=) 13.Qd2 ab4 14.ab4 Ra2-/+) 12...Bd7 13.Be5 Qb6 14.Ng5? (better is 14.Bc3+=) 14...ab4–+ 15.ab4 Bb4 16.Ke2 Ng4 17.Bd4 (17.d4 Ra1 18.Qa1–+) 17...Qd4 18.Nf3 Qf2# 0–1. JaminSalmon – trickortreat, Live Game Caissa's Web, 2004.

6.Nbd2 Nbd7 7.e4 a5 (7...de4 8.de4 c5= 9.e5 Nd5 10.c4 Nf4 11.Qb3 Qb6 12.b5 f6 13.Qe3=) 8.b5 c5 9.bc6 bc6 10.e5 Ng4 11.h3 Rb8 12.Rb1 Nh6 13.Be2 =.

6.Nbd2 Nbd7 7.g3 c6 (7...c5 8.bc5 Bc5 9.e3 Qb6 10.Bf6 Nf6 11.d4 Be7 12.c4 Qa5 13.cd5+=; 7...a5 8.b5 (8.ba5 Ra5 9.Bg2 Bd6 10.c4 Qe7 11.0-0 Ba3 12.Qb3 Bb4 13.Ra5+=; 8.Qb1 ab4 9.ab4 Ra6 10.b5 Ra1 11.Qa1 Bb4 12.Bg2 Re8 13.c3+=) 8...Nb6 9.Bg2 Bd7 10.c4 dc4 11.dc4 c6 12.a4 cb5 13.cb5=; 7...b5 8.Nb3 (8.Nd4 Bb7 9.Bg2 a6 10.N4b3 Qc8 11.d4 Nb6 12.0-0 Nc4 13.Bc3=; 8.Bg2 a5 9.ba5 Bb7 10.0-0 Ra5 11.c4 bc4 12.dc4 Qa8 13.cd5+=; 8.c4 c6 9.Bg2 a5 10.cb5 cb5 11.Bc3 ab4 12.ab4 Bb7 13.0-0+=) 8...c6 9.Bg2 Qc7 10.0-0 e5 11.c4 Qd6 12.Rc1 Re8 13.Qd2=) 8.c4 (8.Bg2 a5 9.Bc3 Qc7 10.ba5 e5 11.e3 c5 12.0-0 Re8 13.Bb2+=; 8.e4 a5 9.e5 Ne8 10.c3 f6 11.ef6 Bf6 12.Bh3 e5 13.Qe2+=; 8.Nb3 Qc7 9.Bg2 Rd8 10.d4 Bd6 11.Qd3 e5 12.de5 Ne5 13.Be5+=) 8...b6 (8...a5 9.Qb3 (9.b5+= cb5 10.cb5 a4 11.Bg2 Qb6 12.Rb1 Ra5 13.Bd4+=) 9...ab4 10.ab4 Ra1 11.Ba1 Qb6 12.Bc3 dc4 13.dc4=) 9.Bg2= Bb7 (9...a5 10.Nd4 Bb7 11.b5 cb5 12.Nb5 Nc5 13.0-0=) 10.0-0 c5 (10...a5 11.Qb3 a4 12.Qc2 c5 13.bc5=) 11.b5 (11.Qa4 dc4 12.dc4 cb4 13.ab4=) 11...Qc7 (11...a6 12.ba6 Ra6 13.Qc2=) 12.e3 (12.Qc2 a6= 13.ba6+=) 12...Bd6 (12...a6 13.a4+= (13.ba6 Ra6 14.Qb3+=)) 13.Rc1 (13.cd5 ed5 14.Qb3 Rfe8=) 13...Rac8 (13...a6 14.ba6 Ra6 15.d4+=) 14.Qe2 Qb8 15.Rfd1 Rfd8 16.a4 Ne5 (16...e5 17.cd5 Bd5 18.Nc4=) 17.Ne1 (17.Ne5 Be5 18.Be5 Qe5=) 17...dc4= 18.dc4 Bg2 19.Kg2 Ned7 20.f4 (20.Nd3 Qb7 21.Qf3 Qc7=) 20...g6 (20...e5!?=) 21.Qf3 Be7 22.e4 Qb7 (22...Qc7 23.Nd3+=) 23.Nd3 (23.Bf6 Nf6 24.e5 Qf3 25.Nef3 Ng4+=) 23...Nh5 24.Nf2 f5 (24...Ra8 25.Rc3+=) 25.g4 (25.a5 ba5 26.Ra1 Rb8+/–) 25...Ng7 (25...fg4 26.Qg4 Nf8 27.Be5+=) 26.Nf1 (26.ef5 Qf3 27.Nf3 ef5 28.Bg7 Kg7 29.gf5 Nf8 30.fg6 Ng6+/–) 26...Nf6 (26...Bh4 27.Ng3+=) 27.Ng3 (27.ef5 Qf3 28.Kf3 ef5+/–) 27...Rd1 (27...fg4 28.Ng4 Nfh5 29.Nh5 Nh5 30.Rb1+=) 28.Rd1+/– Rd8 29.Rd8 Bd8 30.gf5 gf5 31.ef5 Qf3 32.Kf3 Nf5 33.Nf5 (33.Nd3 Ne8 34.Nf5 ef5+=) 33...ef5 34.Bf6 (34.Be5 Nd7+=) 34...Bf6= 35.Nd3 Kf7 36.a5 Bd4 37.a6 Kf6 38.Nc1 Bc3 39.Ke3 Ke6 40.Kd3 Be1 41.Ne2 Kd6 42.Ng1 Bh4 43.Nf3 Bf6 44.h4 h6 45.Ke3 Ke6 46.Kf2 Kd6 47.Kg3 Ke6 48.Ne1 Bd4 49.Nc2 Bf6 50.Ne3 Be7 51.h5 Bf6 52.Nd5 Bd8 ½–½. Valenta,Vit jr (2185) – Dobes,Oldrich (2075), Open, Znojmo CZE, 2005.

6.e3 a5 =+.

6.Nbd2 a5 7.c3 ab4 8.ab4 Ra1 9.Qa1 b6 10.Qb1 (10.e3 Nbd7=) 10...c5 11.e3 cb4 12.Bd3 bc3 13.Bc3 Nc6 14.0-0 h6 15.Re1 Bb7 16.Ne5 Ne5 17.de5 Nd7 18.f4 Qc7 19.Bd4 Nc5 20.Be2 Ra8 21.Nf3 Ne4 (21...Qd8!?-/+) 22.Bb6=+ Qb8 (22...Qc8 23.Bd4=+) 23.Bd4= Bc6 24.Qc1 (24.Qb8!? Rb8 25.Rc1=) 24...Ba4 25.g4 Qb3 26.Kg2 Ba3 (26...Bb5 27.Bb5 Qb5 28.Qc2-/+) 27.Qa1 (27.Qb1 Bb4 28.Qb3 Bb3=) 27...Bc5 (27...Bb5 28.f5-/+) 28.Qc1 (28.Qb1 Bd4 29.Qb3 Bb3 30.ed4 Ra2=+) 28...Bd4 29.Nd4 Qb7 30.Kf3 (30.Bd3 Bb3=) 30...Qe7=+ 31.Bb5?? (better 31.Kg2=+) 31...Bb5 (31...Qh4 32.Kg2 Qg4 33.Kf1 Bb5 34.Re2 Ra2 35.Qc8 Kh7 36.Qa8 Be2 37.Ne2 Qe2 38.Kg1 Qg2) 32.Nb5 (32.g5 Bc4 33.h4-+) 32...Qh4 33.Rh1 Qh3 (33...Qf2) 34.Ke2 Qg2 35.Kd3 Nf2 (35...Ra2 36.Qc8 Kh7 37.Qh8 Kh8 38.Rd1 Qd2 39.Rd2 Rd2) 36.Kd4 (36.Kc3 d4! 37.Nd4 Rc8 38.Kd2 Nh1 39.Ne2 Rd8 40.Kc2 Qe2 41.Kb3 Qd3 42.Ka2 Ra8 43.Kb2 Rb8 44.Ka2 Qb3 45.Ka1 Ra8 46.Qa3 Ra3) 36...Nh1 (36...Qe4 37.Kc5 Qa4 38.Qc2 Qc2 39.Kb6 Rb8 40.Ka7 Qc8 41.Nd6 Qc7 42.Ka6 Qb6) 37.Qc6 (37.Nd6 Qh2 38.g5 hg5 39.fg5 Ng3-+) 37...Qe4 (better 37...Ra4 38.Kc5 Rc4 39.Kd6 Rc6 40.Kc6 d4 41.e4-+) 38.Kc5 Ra2 (better 38...Qc4 39.Kd6 Rd8 40.Kc7 Rc8 41.Kc8 Qc6 42.Kd8 Qb5 43.f5-+) 39.Qe8 (39.Kd6 Qe3 40.f5 Nf2 41.fe6 fe6-+) 39...Kh7 40.Qf7 (40.Nc7 Qe3 41.Kd6 Qf4-+) 40...Qe3 (40...Ra6 41.Nd4 Qd3 42.Qf5 ef5 43.Kd5 Ra5 44.Kc6 Qa6 45.Kc7 Rc5 46.Kd7 Qa7 47.Ke6 Qb6 48.Nc6 Rc6 49.Kf5 Qb1 50.e4 g6) 41.Kd6 (41.Kc6 Ra6 42.Kd7 Qb6-+) 41...Ra6 (better 41...Qb6 42.Ke7 Qb5 43.Qe8 Ra7 44.Kd6 Qe8 45.f5 Qe7 46.Kc6 Ra6 47.Kb5 Qb7 48.Kc5 Qb6) 42.Kd7 Nf2 (better 42...Qb6 43.Nd6 Ra7 44.Ke6 Rf7 45.Kf7 d4-+) 43.f5 (43.f5 ef5 44.Qf5 Kg8 45.Nc7-+). alessandrocarvalhaes (1785) - nab341 (1670), lichess.org, 2019.

6.Nfd2 Bd7 7.e3 +=.

6.Nfd2 Nbd7 7.f3 (7.e3 a5 8.b5 c5+=) 7...Nb6 (7...a5 8.b5-/+) 8.e3 (8.e4 de4 9.fe4 Na4+=) 8...Na4 (8...a5 9.b5+=) 9.Bc1 Nb6 10.Bd3 (10.Bb2 a5 11.b5 c5+=) 10...c6 (10...Bd6 11.0-0+=) 11.0-0= Qc7 12.f4 a5 13.ba5 Ra5 14.Nb3 Ra8 15.N1d2 Na4 16.g4 (16.Qf3!?=) 16...c5+= 17.g5 (17.dc5 Nd7+=) 17...c4-/+ 18.gf6 Bf6 19.Be2 (19.e4 cd3 20.cd3 b5-/+) 19...cb3 20.Nb3 Nc3 21.Qe1 (21.Qd2 Ne2 22.Qe2 b6-/+) 21...Ne2 (21...Bh4 22.Qd2 Ne2 23.Qe2–+) 22.Qe2-/+ Qc3 (22...b6 23.Rf2-/+) 23.Ra2 (23.Qd3 Qc6-/+) 23...b6 24.Bd2 Qc7 25.Rb1 (25.Qh5 Ba6 26.Rfa1 Bc4-/+) 25...Ra4 (25...Ba6 26.Qf3-/+) 26.Bb4 Ba6 27.Qg4 Ra8 (27...Be7 28.Be7 Qe7-/+) 28.h4 (28.Nd2 Bb5-/+) 28...Bc8 (28...Be2 29.Qe2 Rb4 30.h5–+) 29.c3 (29.Rab2 e5 30.Qg3 ef4 31.ef4 Bf5–+) 29...Ba6 30.Rg2 (30.Rd2 Bc4-/+) 30...Bd3–+ 31.Rc1 Be4 32.Rh2 (32.Rb2 Rc8–+) 32...Be7 (32...Rc8 33.h5–+) 33.Qd1 (33.h5 h6–+) 33...Qd8 (33...Bf5 34.h5–+) 34.h5 h6 (34...Ra3?! 35.Ba3 Ra3 36.Ra1+=) 35.Nd2 Bf5 (35...Bd3 36.Nf3 Bh7 37.Ne5 Bb4 38.ab4-/+) 36.Qf1 (36.Qe1 b5-/+) 36...Bb4 37.ab4 Ra2 38.Qf3 Rb2 39.Qd1 (39.Qf1 Raa2 40.Qe1 Qa8–+) 39...Raa2 40.Ra1 (40.Qe1 Qc8–+) 40...Ra1 (40...Qa8! 41.Ra2 Ra2 42.Nf1–+) 41.Qa1-/+ Rc2 42.Nf3 Rh2 43.Kh2 Bg4 44.Kg3 Bh5 45.Ne5 (45.Nd2 Qc8 46.Kf2 Bg6–+) 45...f6 46.Nc6 (46.Nf3–+) 46...Qe8 47.b5 (47.Qh1 Qg6 (47...Qc6?! 48.Qh5 Kf8 49.Qg4–+) 48.Kh2 Qd3–+) 47...Qg6 48.Kf2 Qc2 49.Kg3 Qe2 (49...Qd2 50.Qg1 Qc3 51.Nd8–+) 50.Qa8 (50.Qg1–+) 50...Kh7 ½–½. Anikin,Victor (1860) – Parshakov,Vladimir (2005), Uljanovsk–ch, 2010. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 Be7 5.d4 0-0)

6.e3 b6 7.Nbd2 c5 8.dc5 bc5 9.c3 c4 10.Be2 Bb7 11.0-0 Qc7 12.Rc1 Nbd7 13.Ba1 Rfc8 14.Qc2 Bd6 15.Rfd1 a6 16.a4 e5 17.Nf1 Ne4 18.N3d2 f5 19.Ne4 fe4 20.Bg4 Re8 21.Ng3 Nf6 22.Bf5 g6 23.Bh3 Qf7 24.Rd2 Rad8 25.b5 Qc7 26.Rb1 ab5 27.ab5 Bc5 28.Qd1 Qb6 29.Qf1 h5 30.Nh1 d4 31.ed4 ed4 32.cd4 Bd4 33.Qc4 Kg7 34.Bd4 Qa5 35.Rbd1 Bd5 36.Bf6 Kf6 37.Rd5 Rd5 38.Qd5 Re7 39.Ng3 Qb4 40.Qd4 Qd4 41.Rd4 e3 42.Ne4 Ke5 43.fe3 Ra7 44.Nc5 Ra1 45.Kf2 Rb1 46.Nd7 1–0. Machete99 (2200) – Player (2000), ICC, 2002.

6.e3 b6 (--> 5.e3 0-0 6.d4 b6).

6.e3 c6 7.c4 (--> 5.e3 0-0 6.c4 c6 7.d4).

6.e3 Nbd7 +=.

6.Ra2 a5 7.b5 (7.Nc3 Bd6 8.Be2 ab4 9.ab4 Ra2 10.Na2 Nbd7 11.0-0 e5=+; 7.ba5 c5 8.Be2 Qa5 9.Nc3 Nbd7 10.0-0 e5 11.Nb5 e4=+; 7.Bf6 Bf6 8.b5 e5 9.d4 ed4 10.Nd4 Re8 11.Be2 c5=+; 7.Bb5 ab4 8.0-0 Bd7 9.Be2 Nc6 10.Ra1 ba3 11.Na3 e5-/+) 7...Nbd7 8.Be2 Bd6 9.d4 Nb6 10.0-0 Qe8 11.Ne5 Nfd7 =.

6.Ra2 c5 7.Bf6 (7.Bc3 Ne4 8.bc5 Nc3 9.Nc3 Bc5 10.d4 Bb6 11.Nb1 Nc6=+; 7.b5 a6 8.ba6 b6 9.Be2 Ba6 10.d3 Nc6 11.0-0 d4=+; 7.Be2 cb4 8.Bf6 gf6 9.ab4 Bb4 10.c3 Bd6 11.Na3 Nc6=+; 7.bc5 Bc5 8.Be2 Nc6 9.0-0 d4 10.ed4 Nd4 11.Nd4 Bd4=+) 7...Bf6 8.bc5 Qa5 9.c3 Qc5 10.d4 Qd6 11.c4 Nc6 =.

6.Ra2 c6 7.Be2 (7.Bd3 b5 8.a4 Bb4 9.ab5 cb5 10.Na3 Nc6 11.Nb5 Bc5=; 7.Nc3 Qd6 8.d4 b5 9.Bd3 a5 10.ba5 Nbd7 11.0-0 Ra5=+; 7.Ne5 Nbd7 8.f4 a5 9.b5 Ne5 10.Be5 Nd7 11.Bb2 a4=+; 7.Ba1 a5 8.b5 Nbd7 9.Be2 cb5 10.Bb5 Bd6 11.0-0 e5=+) 7...b5 8.a4 Bb4 9.ab5 cb5 10.Na3 a5 11.Nb5 Nbd7 =.

6.Ra2 Bd6 7.Be2 (7.c4 a5 8.c5 Be7 9.Nc3 ab4 10.ab4 Ra2 11.Na2 b6=; 7.Nc3 a5 8.Be2 e5 9.0-0 Be6 10.Ng5 Bd7 11.Nf3 Qe7=+; 7.Bd3 Nbd7 8.0-0 e5 9.Bf5 a5 10.Nc3 e4 11.Nd4 ab4=+; 7.Be5 Be5 8.Ne5 a5 9.b5 Nbd7 10.d4 Ne5 11.de5 Nd7=+) 7...a5 8.b5 Qe7 9.Be5 Be5 10.Ne5 Nbd7 11.d4 Ne5 =.

6.Ra2 Nbd7 7.c4 (7.Nc3 e5 8.Be2 a5 9.0-0 Bd6 10.b5 Re8 11.Ra1 Nb6=+; 7.Bd3 a5 8.b5 Bd6 9.0-0 e5 10.Bf5 e4 11.Nd4 c5=+; 7.Be2 a5 8.b5 Bd6 9.d4 Nb6 10.0-0 Ne4 11.Bd3 Bd7=; 7.b5 a6 8.ba6 ba6 9.Be2 Bd6 10.d4 Rb8 11.0-0 c5=+) 7...dc4 8.Bc4 Nb6 9.Be2 Bd7 10.Nc3 a5 11.b5 c6 =.

6.Nc3 a6 7.h3 (7.Be2 Nbd7 8.Ra2 e5 9.0-0 b6 10.Ng5 c5 11.bc5 h6=+; 7.Bd3 Bd6 8.e4 e5 9.0-0 d4 10.Ne2 Bg4 11.Ng3 a5=; 7.Rb1 Nbd7 8.Be2 e5 9.0-0 Re8 10.Ng5 Bd6 11.d3 Qe7=+; 7.Qb1 Qd6 8.Ne2 Nbd7 9.Ng3 a5 10.b5 a4 11.c4 c6=) 7...Qd6 8.d4 a5 9.b5 Nbd7 10.Bd3 c5 11.bc6 bc6 =.

6.Nc3 Re8 7.Bb5 (7.Bd3 a5 8.ba5 Ra5 9.0-0 Nbd7 10.Qe2 e5 11.Bf5 Bc5=+; 7.Be2 Nbd7 8.Rb1 e5 9.g4 e4 10.Nd4 Nb6 11.f3 Bd6=+; 7.Qe2 Nbd7 8.e4 de4 9.Ne4 b6 10.Nf6 Bf6 11.Bf6 Qf6=; 7.Rb1 Nbd7 8.Be2 e5 9.g4 e4 10.Nd4 Nb6 11.f3 Bd6=+) 7...Bd7 8.Be2 a5 9.b5 Bd6 10.d4 c6 11.0-0 Qc7 =.

6.Nc3 Ng4 7.Be2= Nd7 =.

6.Nc3 Ng4 7.Be2= Nf2?? 8.Kf2+– Bh4 9.Nh4 Qh4 10.g3 Qh3 11.Bg4 Qh6 12.Nb5 Na6 13.Kg2 c6 14.Nd6 e5? (14...Rd8 15.Be5 Qg5+–) 15.Nc8 f5 (15...Rac8 16.Bc8 Rc8 17.Qg4+–) 16.Ne7 Kh8 17.Nf5 Qg5 (17...Qf6 18.Rf1+–) 18.Rf1 c5 (18...Qf6 19.Qe2+–) 19.Be5 Rae8 (19...Rf7 20.h4 Qg6 21.Bh5 Qf5 22.Rf5 Rf5 23.d4+–) 20.Bg7 Qg7 21.Ng7 Kg7 22.Be6! Re6 23.Qg4 Rg6 24.Qd7 Rf7 25.Rf7 (25...Kh6 26.Qh3 Kg5 27.Qh4) 1–0. guest1723 – guest1812, ICC, 2003.

6.c4 Nfd7 7.cd5 ed5 8.Nc3 Bf6 9.d4 Nb6 10.Bd3 Bg4 11.0-0 Bh5 12.h3 Bg6 13.Bg6 fg6 14.Qd3 Nc4 15.Rab1 b5 (15...Nc6 16.Rfc1 Kh8 17.b5+=) 16.Nd2 (16.Nb5 a5+/–) 16...Nc6 (16...Nd2 17.Qd2 c6 18.a4=) 17.Nc4 (17.Nb5!? Nd2 18.Qd2+/–) 17...bc4+= 18.Qe2 Ne7 19.Qf3 (better is 19.e4!? c6 20.e5+=) 19...Bd4+= 20.ed4?? (better is 20.Qg4 Bc3 21.Bc3=) 20...Rf3–+ 21.gf3 Qd6 (21...Nf5 22.f4–+) 22.Kg2 (22.Bc1 Qf6 23.Re1 Qd4–+) 22...Qf6 (22...Nf5 23.Rg1–+) 23.Ne2 Qg5 24.Kh2 Qd2 25.Rfe1 Nf5 26.Bc3 Qg5 27.Rbd1 Nh4 28.Ng3 Nf3 29.Kg2 Ne1 30.Re1 Rf8 31.f3 Qf4 32.Rf1 h5 33.h4 g5 34.hg5 Qg5 0–1. Fournier,Frederic – Hagevik (1640), Partie amicale, 1m + 0s, 2009.

6.c4 Ne4 7.d3 Ng5 8.d4 Nf3 9.Qf3 c6 10.Nd2 Nd7 11.Bd3 Nf6 12.0-0 dc4 (12...a5 13.Rfb1+=) 13.Nc4 Bd6 (13...Qd5 14.e4 Qh5 15.Qh5 Nh5 16.f4+=) 14.Rfd1 Qc7 15.Nd6 Qd6 16.e4 Qe7 17.Rac1 Bd7 18.g4 (18.Qg3 b6+/-) 18...Rfd8 19.h4 (19.Qg3 a5 20.g5 Ne8+/-) 19...e5 20.g5 Ng4 21.de5 (21.d5 a5 22.ba5 Ra5+=) 21...Ne5= 22.Be5 Qe5 23.Qe3 (23.Qg3 Qg3 24.fg3 Bg4=+) 23...Bg4 24.Rd2 a5 25.f4 Qd4 (25...Qe7 26.Qg3 Bh5 27.g6 hg6 28.Rc5-+) 26.Kf2 (26.Qd4 Rd4 27.Rc4 Rd7=) 26...Qe3 (better 26...ab4!? 27.Qd4 Rd4=+) 27.Ke3+= Be6 (27...ab4 28.ab4 Ra4 29.Rg1+=) 28.b5 cb5 29.Bb5 Rd2 30.Kd2 Rd8 31.Ke3 g6 32.Rc7 Rc8 33.Rb7 Rc3 34.Kd4 Ra3 35.h5! gh5? (35...gh5 36.Rb8 Decoy) 36.f5+- Bb3 (36...Bf5 37.ef5 Rb3+-) 37.Rb8 Kg7 38.f6 Kg6 39.Rg8 1-0. jhonores (2220) - GoodKnightRookie (2235), Rated Blitz game, lichess.org, 2020.

6.c4 h6 7.cd5 ed5 8.Nc3 Nc6 9.d4 a6 10.Bd3 Be6 11.Qc2 Re8 12.0-0 Qd7 13.e4 Bh3 (better is 13...de4 14.Ne4 Rad8=) 14.Rfe1?? White plans e5 (better is 14.gh3 Qh3 15.Be2 de4 16.Ne4 Ne4 17.Qe4 Bb4 18.Ne5+/–) 14...Bg2!–+ 15.Kg2 Qg4 16.Kf1 Qf3 17.e5?? (17.Na2 Ng4–+) 17...Ng4 (better is 17...Nd4 18.Kg1 Nc2 19.Bc2 Ng4–+) 18.Kg1 (18.Na4–+) 18...Nd4 19.Qd1 (19.Qd2 Bg5 20.Bh7 Kh7 21.Qd4–+) 19...Qf2 20.Kh1 Qh2 0–1. Fournier,Frederic (1975) – mazzetti, Owl21.com, 2009.

6.d3 a5 7.b5 c6 8.Nc3 Bd7 9.bc6 Nc6 10.Rb1 e5 11.Nb5 Qb6 =.

6.d3 b6 7.Nbd2 Bb7 8.Be2 Nbd7 9.h4 c5=+ 10.Ng5 (10.bc5!? Nc5 11.0-0=+) 10...h6 11.Ndf3 (11.Ngf3 cb4 12.ab4 Bb4-/+) 11...d4 (11...hg5 12.hg5 Ne8 13.bc5 Nc5 14.Rh5-+) 12.e4 (12.Nh3 de3 13.fe3 cb4-/+) 12...e5 (better 12...hg5 13.hg5 Ng4-+) 13.Nh2? (13.bc5!? hg5 14.hg5-/+) 13...Qc7 (13...hg5 14.hg5 Ne8 15.bc5 bc5 16.Bg4 Qa5 17.Ke2-+) 14.Ng4? (14.bc5 hg5 15.hg5 Ne8 16.cb6 Nb6-+) 14...Ng4 (14...hg5!? 15.hg5 Ne8 16.bc5 Qc5 17.Qd2-+) 15.Bg4 Nf6 (15...hg5 16.Bd7 Qd7 17.hg5 Bg5 18.Qh5-+) 16.Bf5 (16.b5 hg5 17.hg5 Ne8-+ (17...Ng4?! 18.Qg4 f5 19.ef5+=)) 16...Bc8 (16...cb4 17.Nf3 ba3 18.Bc1-+) 17.Qd2? (better 17.bc5!? Qc5 18.Nf3-+) 17...Bf5-+ (17...hg5?! 18.hg5 Bf5 19.gf6 Bf6 20.ef5 cb4 21.ab4=+) 18.ef5 e4?? (better 18...hg5 19.hg5 Nd5-+) 19.Ne4=+ Qe5 20.f3 Ne4 (20...Qf5 21.c3=+) 21.de4 (21.fe4 c4 22.Qf2 Rfd8+=) 21...Qg3 22.Qf2 Qf2 (22...Qc7 23.bc5 bc5 24.Rb1=) 23.Kf2+= Bf6 24.b5 (24.f4 cb4 25.e5 Rfc8 26.Bd4 Rc2 27.Ke3 Be7 28.ab4 Bb4 29.Bb6 Rac8+/-) 24...Rfe8 25.Rad1 Rad8 (25...a6 26.ba6 Ra6 27.g4+=) 26.g3 (26.Bc1 Be7+/-) 26...Be7 (26...Ra8 27.Rb1+=) 27.Rhe1+/- Bd6 28.f4 White prepares the advance e5 28...f6 (28...Be7!?+/-) 29.Kf3 Re7 (29...Kf7 30.c3 dc3 31.Bc3+-) 30.c3 d3 (30...dc3 31.Bc3 Red7+-) 31.Rd2 (better 31.Rd3 c4 32.Rd4+-) 31...c4= 32.e5 (better 32.a4!?=) 32...fe5-/+ 33.fe5 Re5 34.Re5 Be5 35.Ke4? (35.a4 Kf7-/+) 35...Bf6 (better 35...Bg3!? 36.h5-+) 36.a4 h5 37.Rd1 Re8 38.Kd5 Rc8 39.a5? (39.Ke4!?-/+) 39...ba5 (better 39...Rc5 40.Ke4 Re5 41.Kf4 Rb5-+) 40.Ra1 Bd8 (40...Kh7-+) 41.Ke4? (41.Bc1!?-/+) 41...Bb6 (41...Bc7 42.Kf3 Rd8 43.Rb1-+) 42.f6 (42.Ba3-+) 42…Re8 (42...Re8 43.Kd5 Re2-+ (43...gf6?! 44.Kc4 Rd8 45.Rd1-/+)) 0-1. TwelveTeen (2415) - Boss900 (2305), time forfeit, lichess.org, 2016. (=1.a3 e6 2.b4 d5 3.Bb2 Nf6 4.e3 Be7 5.Nf3 0-0 6.d3 b6)

6.d3 c5 7.bc5 Bc5 8.c4 Nc6 9.Nbd2 d4 10.Nb3 e5 11.Nc5 Qa5 =.

6.d3 Bd7 7.c4 dc4 8.dc4 a5 9.b5 Bc8 10.Bd3 Nbd7 11.0-0 Bd6 =.

6.Bd3 a6 7.0-0 b6 8.c4 Bb7 9.Nc3 c5 10.bc5 Bc5 11.cd5 Nd5 12.Qc2 Nf6 13.Ne4 Nbd7 (13...Be4!? 14.Be4 Ne4 15.Qe4 Nd7+=) 14.Nf6+/– (14.Nc5?! Nc5 15.Be2 Be4=) 14...Nf6 15.Bf6 Qf6 16.Bh7 Kh8 17.Be4 Be4 18.Qe4 Rac8 19.d4 Bd6 20.Qb7 Qe7 21.Qb6 Ra8 22.Qa5 g6 23.Rfc1 Rg8 24.e4 White prepares d5 24...Bf4 25.Rc4 Kg7 26.Qc3 Rh8 (26...Bd6+–) 27.d5 e5 (27...Kg8 28.e5 Bh6 29.d6+–) 28.g3 Bg5 29.Rc7 Qd6 (29...Qf6 30.h4 Bh6 31.Ne5 Rhf8+–) 30.Ng5 Raf8 31.Ne6 Kg8 32.Nf8 Kf8 33.Rb1 Kg7 34.Rf7! Kf7 35.Rb7 Kg8 36.Qc8 Qf8 37.Qe6 1–0. pierred (2825) – mgoodrich (2445), net–chess.com, 2015.

6.Bd3 b6 7.0-0 Bb7 8.Re1 (8.Ne5 Nbd7=) 8...Nbd7 9.c4 (9.Nc3 c5=) 9...c5=+ 10.b5 Re8 (better is 10...dc4 11.Bc4 a6=+) 11.e4?? (better is 11.Qe2=) 11...de4–+ 12.Bf6 Nf6 13.Be4 Ne4 14.Nc3 Nc3 15.dc3 Qd1 16.Rad1 Rad8 17.Ne5 Bf6 18.Rd8 Rd8 (19.f3 a6–+; < 18...Bd8 19.Rd1 Bg5 20.Nc6–+) 0–1. ParvusCarlsen – ketchuplover, mySchach.de, 2005.

6.Bd3 b6 7.0-0 c5 8.bc5 bc5 9.c4 =.

6.Bd3 b6 7.0-0 c6 8.Nc3 (8.Ne5 Qd6=) 8...Ba6 (8...Bd6 9.Ne2=) 9.Ba6 Na6 10.Qe2 Nc7 11.h3 (11.e4 d4 12.Na2 c5=) 11...Qd7 (11...b5 12.e4=) 12.d3 (12.e4 a5=) 12...Rfe8 (12...a5 13.Ne5 Qd6 14.Na4 ab4 15.ab4= (15.Nb6? Ra6–+)) 13.e4 de4 (13...Red8 14.Ne5 Qe8 15.ed5 cd5 16.Na2=) 14.Ne4 Ne4 15.de4 Bf6 (better is 15...c5!?=) 16.Bf6+/– gf6 17.Rfd1 Qe7 (17...Qc8!?+/–) 18.Nd4+– c5 (18...e5 19.Qg4 Kh8 20.Nc6 Qe6 21.Qe6 Ne6+–) 19.Nc6 Qf8 20.Rd7 Rec8 (20...Kh8 21.Rc7 a6 22.Qh5+–) 21.Ne7 Kh8 22.Qh5 Re8 (22...Kg7+–) 23.Ng6 (23.Rc7?! Re7 24.Re7 Qe7 25.bc5 bc5+/–) 23...Kg7 24.Nf8 (24.Rc7?! hg6 25.Qe2 Qd6=) 24...Rf8 25.Rc7 Rad8 26.bc5 bc5 27.Rb1 Rc8 (27...Rd4 28.Rb8 Re4 29.Rf8 Re1 30.Kh2 Rh1 31.Kh1 Kf8 32.Qf7) 28.Rb3 Rc7 (28...Rcd8 29.Rg3 Kh8 30.Qh4 Rd1 31.Kh2 Rh1 32.Kh1 Rg8 33.Qf6 Rg7 34.Qg7) 29.Rg3 Kh8 30.Qg4 1–0. Janek – Erendor, internet, 2017.

6.Bd3 Qd6 7.h4 Nc6 8.Bf6 Bf6 9.Bh7 Kh8 10.Bd3 Ba1 11.Ng5 g6 12.h5 Kg7 13.Qf3 Ne5 14.h6 Kg8 15.h7 Kg7 16.h8Q Rh8 17.Rh8 Nf3 18.gf3 Kh8 0–1. Saetta – mrQuispel, ICS, 1999.

6.Bd3 Bd6 7.c4 dc4 8.Bc4 Nbd7 9.0-0 Nb6 10.Be2 a5 11.b5 Bd7 =.

6.Bd3 g6 7.Ng5 Nbd7 8.h4 (8.0-0 a5=) 8...e5 9.h5 (9.Be2=+) 9...e4 (better 9...h6 10.Nh3 Nh5=+) 10.hg6+= fg6?? (better 10...hg6 11.Be2 a5+=) 11.Ne4?? (better 11.Ne6 Qe8 12.Nc7+- (12.Nf8?! Bf8 13.Be2 a5+-)) 11...Ne4-+ 12.Be4 de4 13.Qg4 Nf6 14.Qg6?? (14.Qg3-+) 14...hg6 15.Rh8 Kh8 16.Bf6 (16.Bf6 Bf6 17.Nc3 Bc3 18.dc3-+). TwelveTeen (2085) - QueenMaster77 (1845), lichess.org, 2017.

6.d4 c5 7.bc5 (7.dc5!? Nc6 8.c4+/–) 7...b6= 8.cb6 ab6 9.c4 Nc6 10.cd5 ed5 11.Be2 Be6 12.0-0 Rc8 13.Nbd2 Bd6 14.h3 Ne4 15.Ne4 (15.Rc1 Re8+/–) 15...de4+= 16.Nd2 f5 17.Rc1 Bb8 18.Bc4 Bc4 19.Nc4 Na5 20.Na5 ba5 21.Qa4 (21.Qb3!? Kh8 22.Rc8 Qc8 23.Rc1+/–) 21...Qd6+= 22.g3 f4 (22...Qd5!?+/–) 23.ef4+– g5? (better is 23...Qd5+–) 24.fg5 Rf3 (24...Qd5+–) 25.Rc8 Rf8 26.Rf8 (26.Qc4 Kg7 27.d5 Kf7 28.Qe4 Rc8 29.Qh7 Ke8 30.Re1 Kd8 31.Qh8 Kc7 32.Rc1 Kb7 33.Qc8 Ka7 34.Bd4 Ka8 35.Rc6 Qg3 36.fg3 a4 37.Ra6) 26...Qf8 (26...Kf8 27.Qa5 Qd7 28.Qa8+–) 27.Qb5 (27.Qb3 Kg7 28.Qb7 Qf7 29.d5 Be5 30.Be5 Kg8 31.Qc8 Qf8 32.Qe6 Qf7 33.Rc1 Qe6 34.de6 h6 35.g6 Kf8 36.Bf6 e3 37.Rc8) 27...Bg3 (27...Bd6+–) 28.fg3 Qf2 (28...Qf2 29.Rf2 Kg7 30.Qe5 Kg6 31.Qf6 Kh5 32.Qh6). Fournier,Frederic (1765) – Predector (1840), Active, 2006.

6.d4 Ne4 7.Nbd2 Nd7 8.Bd3 f5 9.c4 Ndf6 10.cd5 ed5 11.0-0 c6 12.Rc1 Bd6 13.h3 Bd7 14.Ne5 Be8 (14...a5 15.Nd7 Qd7 16.ba5 Ra5 17.Nb3+=) 15.f3 Ng5 (15...Ng3!? 16.Re1 Nd7=) 16.Bf5+/– Nd7 17.Nd7 (better is 17.Qc2!? Nf6 18.f4+–) 17...Bd7+= 18.Bd7 Qd7 19.f4 Nf7 20.Nf3 Nh6 21.Ne5 Qe6 22.Qd2 Nf5 23.Rce1 (23.Rf3 Be7=) 23...Ng3= 24.Rf3 Ne4 25.Qc2 Rae8 26.Bc1 a6 27.Qb1 Be5 28.de5 (28.fe5 Rf3 29.gf3 Qg6 30.Kf1 Ng3 31.Kg2 Qb1 32.Kg3 Qg6 33.Kf2 Qc2 34.Kg3 Re6–+) 28...Qg6 29.Qc2 Qh5 30.Qe2 Qh6 31.Qd3 g5?? 32.Qf1 Qh5 33.Qe2 gf4 34.ef4+/– Qg6 35.Rf2 Nf2+= 36.Qf2 Rf5 37.Qf3 Ref8 38.Qg4 Qg4 39.hg4 R5f7 40.g3 Rg7= 41.g5 h6 42.Kg2 hg5-/+ 43.Kf3 gf4 44.gf4 Kf7 45.Re2 Ke6 46.Be3 Rh8 47.Rg2?? Rg2 48.Kg2 Kf5 49.Kf3 Rh3 50.Kf2 Rh2 51.Kf3 Ra2 52.Bc5 Ra3 (52...Ra3 53.Ke2 a5 54.ba5 Ra5–+) 0–1. Fournier,Frederic (1820) – urimax (1875), Active, 2008.

6.d4 Ne8 7.Nbd2 c5 8.c3 (better 8.dc5!? b6 9.cb6 ab6 10.Bd3+/-) 8...cd4 (8...c4 9.Be2=+) 9.cd4= Nd7 10.Bd3 Nef6 11.Qb1 g6 12.Ng5 Ng4 13.Ngf3 Bh4 (13...Ngf6=) 14.e4 (better 14.0-0+/-) 14...Bf2=+ 15.Ke2 de4 16.Ne4 Bh4 17.g3 (17.Nh4 Qh4 18.Qc1 h6=+ (18...Nh2? 19.Qg1+-)) 17...Be7-/+ 18.h3 Ngf6 19.Nf2 Nd5 20.h4 h5?? (20...N7f6 21.Ne4-+) 21.g4 (21.Bg6 a5 22.Bh5 ab4 23.ab4 Ra1 24.Ba1+= (worse 24.Qa1 N7f6 25.Bg4 Bd7=+)) 21...hg4 22.Ng4 N7f6 23.Nfe5 (23.Nf6!? Bf6 24.Qc1-/+) 23...Nf4-+ 24.Kd2 Nd3 (24...Ng4!? 25.Ng4 Bh4 26.Ne5-+) 25.Qd3 Nd5?? (better 25...Ng4 26.Ng4 Bh4=) 26.Nh6+- Kg7 27.Raf1?? (better 27.Nhf7 Nf4 28.Qe3 Rf7 29.Nf7 Kf7 30.Qf4 Bf6 31.Raf1+-) 27...Kh6?? (better 27...f5 28.Qg3 Qe8+=) 28.Qg3 (28.Rf7 Bb4 29.Kd1 Ne7 30.Qe3 Kh5 31.Qg5) 28...Kg7?? (better 28...Bf6!? 29.Rhg1 Be5 30.de5-+) 29.h5 (29.Rf7 Kg8 30.Qg6 Kh8 31.Qg7) 29...Nf6-/+ 30.h6?? (30.Kd1 Qe8 31.hg6 fg6 32.Qh3=+) 30...Kh7-+ 31.Bc3 (31.Ke1-+) 31...Ne4 32.Kc2 Ng3 33.Rhg1 Nf1 34.Rf1 Bf6 (34...Qd5 35.Ra1-+) 35.Nf3 Bd7 36.Rd1 Rc8 37.Kb3 Bc6 38.Ne5 Qe8 (38...Qd5 39.Kb2 Ba4 40.Nc4 Qc4 41.Kb1 Qc3 42.Ka2 Bb3 43.Kb1 Qc2 44.Ka1 Qa2) 39.Nd3 Ba4 (39...Bd5 40.Kb2 Qa4 41.Rg1 Qb3 42.Kc1 Qc3 43.Kb1 Qd3 44.Kb2 Bd4) 40.Kb2 Bd1 41.Nc5 (41.Kb1 Rc3 42.Ka1 Ra3 43.Kb1 Qa4 44.Kb2 Bd4 45.Kc1 Qc2) 41...b6 (41...Rc5 42.bc5 Qb5 43.Ka2 Qb3 44.Ka1 Qc3 45.Kb1 Qb3 46.Kc1 Bg5) 42.Na6 (42.Kb1 bc5 43.b5 Qb5 44.Ka2 Qb3 45.Ka1 Qc3 46.Kb1 Qb3 47.Kc1 Qc2) 42...Qc6 (42...Qa4 43.Nc5 Qc2 44.Ka1 Qc3 45.Kb1 Qc2 46.Ka1 Bd4) 43.a4 (43.Kb1 Qc3 44.Nc5 Qc2 45.Ka1 Bd4) 43…Qc3 (43...Qc3 44.Kb1 Qc2 45.Ka1 Bd4) 0-1. alessandrocarvalhaes (1905) - Vokesflow (1915), lichess.org, 2020.

6.d4 h6 7.c4 Nh7 (7...a5 8.b5=) 8.cd5 Qd5 (8...ed5 9.Bd3=) 9.Nc3+= Qd8 10.Be2 f5 (10...Nf6 11.0-0+=) 11.0-0+/– Nf6 12.Qc2 Nd5 13.Nd5 ed5 14.Rac1 Be6? (14...Bd6 15.Ne5+=) 15.Bd3?? (better is 15.Qc7 b6 16.Qb7+–) 15...c6 16.Ne5 Nd7 17.Nd7 (17.Ng6!? Rf6 18.Nf4+/–) 17...Qd7= 18.f4 Rac8 19.Qf2 a6 20.Qg3 Kh7 21.h3 Rg8 22.Qf2 g5 23.fg5 Bg5 24.g4 Rcf8 25.gf5 Bf5? 26.Bf5+– Rf5 27.Qc2?? Be3 28.Kh1+= Rgg5?? 29.Rf5?? Rf5 30.Rf1 Kg6 31.Rf5? Qf5–+ 32.Qf5 Kf5 33.Kg2 Ke4 34.Kg3 Bd4 35.Bc1 Be3 36.Bb2 d4 37.h4 d3 38.Bc1 d2 39.Bd2 Bd2 0–1. Fournier,Frederic (1750) – io, Active, 2008.

6.Qe2 a5 7.c3 Bd6 8.d4 ab4 9.cb4 Nbd7 10.Qc2 Re8 11.Bd3 e5 =.

6.Qe2 a6 7.c4 dc4 8.Qc4 Bd7 9.Qc2 a5 10.b5 c6 11.Bf6 Bf6 =.

6.Qe2 c5 7.Bc3 Ne4 8.bc5 Nc6 9.d4 e5 10.de5 Bc5 11.Bb2 Bb6 =.

6.Qe2 Bd6 7.Nc3 Nbd7 8.e4 Ne5 9.d4 Nf3 10.Qf3 Ne4 11.Ne4 de4 =.

6.Qe2 Nbd7 7.c4 dc4 8.Qc4 Nb6 9.Qc2 Bd7 10.Bf6 Bf6 11.d4 Ba4 =+.

6.Be2 a6 7.0-0 c5 8.b5 ab5 9.c3 (better is 9.Bb5!? Bd7 10.a4+=) 9...Bd7 10.Ne5 Qb6 11.Nd7 Nbd7 12.d4 c4 13.Nd2 Ra4 14.g3 Rfa8 15.Kg2 (15.Qc1 Qa7–+) 15...Ba3 16.Ba3 Ra3 17.Ra3 Ra3 18.f4? (18.Qc2–+) 18...Rc3 19.Kf2 b4 20.Nb1 Ne4 21.Kf3 Rb3 22.Nd2 Nd2 (22...Nc3!? 23.Qe1 Ra3 24.h3–+) 23.Qd2 c3 24.Qc2 Rb2 25.Qc1 Qc6 26.h4 Nf6 27.Bd3 Ne4 28.g4 Nd2 29.Kg3 Nf1 30.Qf1 Rd2 31.Qb1 Rd3! 32.Qd3 c2 0–1. Neumann,Frank (1650) – Ziegert,Andreas (2040), RSS7E–79 remoteschach.de, 2008.

6.Be2 a6 7.0-0 c5 8.bc5 Bc5 9.Nc3 Nbd7 10.d4 Be7 11.a4 b6 12.Ba3 Re8 13.Be7 Qe7 14.Na2 a5 15.c4 Bb7 16.cd5 Bd5 17.Nc3 Rac8 18.Nd5 Nd5 19.Qd2 Rc7 20.Rac1 Rec8 21.Ba6 Rc1 22.Rc1 Rc1 23.Qc1 N7f6 24.Ne5 Qc7 25.Qc7 Nc7 26.Bd3 Ncd5 27.Kf1 Nc3 28.Bc2 Nfd5 29.Ke1 g6 30.Kd2 Kf8? (better is 30...Na2+/–) 31.e4+– Ne4 1–0. Fournier,Frederic (1615) – chungchung (1660), rated blitz game (3/5), 2002.

6.Be2 a6 7.0-0 c5 8.bc5 Bc5 9.d4 Bd6 10.a4 (10.c4 dc4 11.a4 Nc6+=) 10...Ne4 (10...Nc6 11.c4=) 11.c4+= dc4 (11...Qa5 12.c5 Be7 13.Qb3+=) 12.Qc2+– f5 13.Nbd2 c3 14.Bc3 Nc3 15.Qc3 Nc6 16.Nc4 Bb4 (16...Bc7 17.Rfc1+–) 17.Qb3 Kh8 (17...Qe7 18.Rfb1 Rb8 19.a5+–) 18.Nfe5 (18.g3 Bd7+–) 18...a5 (18...Ne5 19.Ne5 Bd6 20.a5+–) 19.Rfd1 Ne5 (19...Rb8 20.Rac1+–) 20.Ne5 f4 (20...Qe7 21.Bb5+–) 21.ef4+– Rf4 22.Rac1 Bd6 (22...Rf8 23.Bf3+–) 23.Qh3 (23.Bf3 Rb8+–) 23...Be5 (23...Kg8 24.g3 Rf8 25.Rc2+–) 24.de5 Qf8 (24...Qe7 25.Rd6+–) 25.Rc7 b6 (25...Qg8+–) 26.Qg3 Ra4 (26...Ba6 27.Ba6 Ra4 28.Rdd7 Ra6 29.h3+–) 27.Rg7 (27.Rg7 Rf4 28.Rc7+–) 1–0. Woelfelschneider,Peter – Meisinger, HFK–027, 2002.

6.Be2 a6 7.d3 b5 8.Nbd2 Bb7 9.0-0 c5 10.bc5 Bc5 11.c4 bc4 12.dc4 Nbd7 13.cd5 Bd5 14.Nd4 (14.Qa4 Bd6=) 14...Ne4 (14...Qb8 15.Bc3+=) 15.Ne4 Be4 16.Bf3 Bf3 17.Nf3 Be7 (17...Qe7 18.Rb1=) 18.Qa4 Bf6 19.Bf6 Nf6 20.Rac1 Qb6 21.Rc6 Qb7 22.Nd4 Attacking the isolated pawn on a6 22...Rfc8 23.Qc2 Nd5 24.Rb1 Qd7 25.Qc5 Rc6 26.Nc6 Rc8?? (better is 26...Re8+=) 27.e4+– Rc6 (27...Kh8 28.ed5 ed5+–) 28.Rb8 1–0. Janek – zandar, internet, 2017.

6.Be2 a6 7.d4 Nbd7 (7...h6 8.0-0=) 8.0-0 b5 (8...a5 9.b5=) 9.Nbd2 (9.Qd3 Bb7=) 9...Nb6 (9...Bb7 10.Nb3=) 10.Nb3 (10.Ne5 Na4 11.Qc1 Qe8=) 10...Nc4 (10...Na4 11.Qc1=) 11.Bc3 (11.Qc1 Nd7=) 11...Ne4 12.Qd3 c6 (12...Bb7 13.Nfd2=) 13.Nc5 (13.Nbd2 f5=+) 13...Nc3 (13...Bc5 14.bc5 a5 15.Rfb1=+) 14.Qc3+= f6 (14...Qc7 15.Bc4 bc4 16.Rfe1+=) 15.a4 Qc7 16.ab5 cb5 17.Ra2 (17.Rfb1 Qc6+=) 17...e5 18.de5 Bc5 19.bc5 Qc5 (worse 19...Ne5 20.Ne5 Qe5 21.Qe5 fe5 22.Bb5+–) 20.ef6 (20.Rd1 Bg4 21.ef6 Rf6+=) 20...Rf6= 21.Raa1 (21.Rd1 Bb7=) 21...b4 (21...Bg4 22.Rfd1=) 22.Qd4= Qd4 23.Nd4 Nd2 24.Rfd1 Ne4 25.Rf1 (25.Ra5!? Nf2 26.Rb1=) 25...a5=+ 26.f3 (26.Rfb1!? Bb7 27.Rb2=+) 26...Nc3-/+ Black plans a4 27.Bd3 Bd7 Black intends a4 (27...a4 28.Nb5 Rc6 29.Nc3 Rc3 30.Rfd1-/+) 28.e4 de4 (28...a4 29.e5 Rf4 30.Nb3-/+) 29.fe4 a4 (29...Rf1 30.Rf1 Rc8=+) 30.Rf6 (better 30.Bc4!? Kh8 31.e5 Rf1 32.Rf1=) 30...gf6-/+ 31.Kf2 a3 (31...Kg7 32.Ke3-/+) 32.Nb3 (32.Ne2 Be6-/+) 32...Bb5 (32...Rc8 33.Ke3-/+) 33.Bb5 (33.Ke3 Rc8-/+) 33...Nb5–+ 34.Ke3 Rd8 (34...Rc8 35.Kd2–+) 35.Rc1 (35.Nc1 Rd1-/+) 35...Nc3 (35...a2 36.c4 Nc3 37.Rf1–+) 36.Rf1 Kg7 37.Ra1 Re8 (37...a2 38.Nc5 Rd1 39.Nb3–+) 38.Nc5 (better 38.Kd4-/+) 38...Re5 (better 38...f5!?-/+) 39.Kd4= Rh5 (39...Kf7 40.Kc4=) 40.h3 (40.Kc4 Rh2 41.Kb4 Ne4 42.Ne4 Rh4=) 40...Rh4 (40...Re5=) 41.Ke3 (41.Kc4 Ne4 42.Kb4 Nd6 43.Kb3 Rh5=) 41...Kf7 (41...f5 42.ef5 Kf6 43.Kd3=+) 42.Rf1 (42.Kd3 f5 43.Kc4 fe4 44.Rf1 Ke7 45.Kb4 Nd5 46.Ka3 Ne3=) 42...Ke7=+ 43.Rf4?? (better 43.Kd3=+) 43...Rf4–+ 44.Kf4 a2 (better 44...Ne2 45.Kf3 Nd4 46.Ke3 a2 47.Kd4 a1Q 48.Kc4 Kd6–+) 45.Nb3 Nb1 (45...Kd6!? 46.g4–+) 46.Ke3 Kd6 47.Kd4 (47.g4 Kc7–+) 47...Na3 (47...Kc6 48.g4–+) 48.Kd3 Ke5 (48...Kc6 49.c4–+) 49.Na1 (49.c3 bc3 50.Kc3 Ke4-/+) 49...h5-/+ 50.g3 (50.c3 bc3 51.Kc3 Ke4–+) 50...Kd6 (50...Nb1 51.Kc4–+) 51.Nb3 (better 51.g4 h4 52.c3–+) 51...Ke5 (51...Nb1 52.Kd4–+) 52.Na1 Ke6 53.Nb3 (53.c3 bc3 54.Kc3 Ke5–+) 53...Kd6 (better 53...Nb1!?–+) 54.c3=+ bc3 55.Kc3 Ke5 56.Kd3?? (better 56.Kb2=+) 56...Nb5–+ 57.Na1 Nd4 58.Ke3 (58.h4 Ne6 59.Nc2–+) 58...Ne6 59.h4 (59.Kd3 Ng5 60.h4 Ne4–+) 59...Nc5 60.g4 (60.Kd2–+) 60...hg4 61.h5 Ne4 62.h6 Ng5 63.Kf2 Kf4 0–1. Del Val,Josefa – Rodriguez,Yann (1700), Bern op, 2004.

6.Be2 Nc6 7.0-0 a6 8.c4 dc4 9.Bc4 Ne4 10.Nc3 Nc3 11.Bc3 Bf6 12.Qc2 Bc3 13.Qc3 f6 14.d4 Kh8 15.Rac1 b5 (better is 15...Qd6!?+/–) 16.Bb3+– e5?? (better is 16...Ne7+–) 17.Qc6 Bg4 18.Rfd1 Bf3 19.gf3 Qc8 20.de5 fe5 21.Rd7 Qe8 (21...Rf6 22.Qc7 Qf8 23.Bd5+–) 22.Bf7! Rf7 (22...Qb8 23.Qc7 Qc7 24.Rdc7+–) 23.Rf7 Qf7 24.Qa8 Qg8 25.Qg8 (better is 25.Qa6 Qd8 26.Qb5 Qg5 27.Kf1 h6+–) 25...Kg8 26.Rc7 h6 (26...g5 27.Re7 h6 28.Re5+–) 27.Ra7 1–0. Fournier,Frederic (2515) – waitaha, Active, 2009.

6.Be2 Nc6 7.0-0 b6 8.c4 dc4 9.Bc4 Bb7 10.d4 Nd5 (10...a5 11.b5 Na7 12.Nc3=) 11.Nbd2 a6 12.Bd3 b5 13.Qc2 h6 14.Rac1 Nb8 15.e4 Nf6 (better is 15...Nf4!?+=) 16.Qc7+– Qc7?? (better is 16...Ra7+–) 17.Rc7 Re8 (17...Be4 18.Be4 Ne4 19.Ne4 Bd8+–) 18.Rb7 Nc6 19.Rc7 (19.Rc1 Nd8 20.Rbc7 Nh5+–) 19...Na7 (19...Rac8 20.Rc8 Rc8 21.Rc1+–) 20.Rfc1 Nc8 21.Ne5 Nb6 22.R7c2 Na4 23.Ba1 Nh7 24.f4 f6 25.Nc6 White intends e5 25...Bf8 26.g3 Bd6 27.e5 fe5 28.de5 Bf8 29.Nd4 g5 30.Ne2 g4 31.Bh7 Kh7 32.Ne4 Kg7 33.Nc5 Nc5 34.Rc5 h5 35.Rc7 Re7 36.Rd7 Rd7+= 37.Kf2 Rad8 38.Bc3 Rc8 39.Rc2 Rdc7 40.Nd4?? Rc3–+ 41.Ne6 Kf7 42.Rc3 Rc3 43.Nf8 Rc2 44.Ke3 Rc3 45.Kd2 Rc4?? 46.Kd3?? Rd4 (46...Rd4 47.Kd4 Kg7+–) 0–1. Fournier,Frederic (1865) – jymeno (2000), Active (2/0), 2005.

6.Be2 Nc6 7.0-0 b6 8.d4 Bb7 9.c4 dc4 10.Bc4 Nb8 11.Nbd2 Nbd7 12.Qb3 Re8 13.Bd3 Bd6 14.e4 e5 15.Bc4 Rf8 16.de5 (16.de5 Be5 17.Be5 (worse is 17.Ne5 Ne5 18.Be5 Qd2+–) 17...Ne5 18.Ne5 Qd2 19.Bf7 Kh8 20.Be6+–) 1–0. Fournier,Frederic (2470) – Bender (1800), echecsemail.com, 2010.

6.Be2 Nc6 7.0-0 Bd6 8.c4 Be7 (8...dc4 9.Bc4 e5 10.d4 ed4 11.Nd4=) 9.c5+= b6 10.cb6 ab6 11.Nc3 Bb7 12.d4 Ne4 13.Ne4 de4 14.Nd2 Ba6?? (14...Qd5!?+=) 15.Ne4 (better is 15.Ba6 Ra6 16.b5+– (16.Ne4?! Nb8+/–)) 15...Be2+/– 16.Qe2 Qd7 17.Rfd1 Rfd8 18.b5 Na7 19.a4 c6 20.bc6 Nc6 21.Qb5 Qb7 22.d5 ed5 23.Rd5+/– Na7 24.Rd8+– Rd8 25.Qe5 f6 26.Qe6 Kf8 27.h3 Re8 28.Qf5 g6? 29.Nf6 Bf6 30.Qf6+– Qf7 31.Ba3 Kg8 32.Qf7 Kf7 33.Rb1 Rb8?! 34.a5! b5 35.Bc5 Nc6 36.a6 b4 37.a7 Ra8 38.Bb4 Ra7 39.Bc5 Rd7 40.f4 Ke6 41.Kf2 Rd2 42.Kf3 Rc2 43.Bd4 Nd4 44.ed4 Kd5 45.Rb7 h5 46.Rg7 Kd4?? 47.Rg6 Rc3 48.Kf2 Ke4 49.Rh6 Kf4 50.Rh5 Rc2 51.Kg1 Kg3 52.Rg5 Kh4 53.Rg8 Rd2 54.Kh2 Rc2 55.Rh8 Kg5 56.h4 Kg6 57.Kh3 Kg7 58.Rh5 Kg6 59.Rg5 Kh6 60.Rf5 Kg6 61.Rf3 Rc1 62.Kg3 Rc4 63.Rf4 Rc3 64.Kg4 Rc5 65.g3 Rd5 66.Re4 Rd6 67.h5 Kh6 68.Kh4 Rf6 69.g4 Rf1 70.Re6 Kg7 71.Kg5 Rf7 72.h6 Kh7 73.Kh5 Rd7 74.g5 Rd5 75.Re7 Kh8 76.h7 Rd6?? 77.g6?? Rd5 78.Kh6 Rh5 79.Kh5 ½–½. Neumann,Frank (1650) – Pieleck,Rudi (1770), RSX11E – No Data–1, 2008.

6.Be2 Nc6 7.d3 h6 8.b5 Nb8 9.0-0 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Bd7 13.c4 c6 14.Qb3 cb5 15.cb5 Qb6 16.d4 Ne4 17.Rc1 Be8 18.Ne5 Nd7 19.Nf3 Ndf6 20.h3 Bd7 21.Qd3 (21.Bb2 Ra8=) 21...Rc8 22.Rc8 Bc8 23.Ne5 Nd7 24.Nd7 Bd7 25.f3 Nf6 (25...Ng3 26.Nc3-/+) 26.Nd2 (26.Bb2 Qc7=) 26...Qc7 (26...Ne8!?-/+) 27.Bb2= Nh5 28.Kf2?? (better 28.Qc3 Qd6 29.Bd3=) 28...Bh4 (28...Qg3 29.Kg1 Qe1 30.Nf1 Ng3-+) 29.Kg1 Ng3 (29...Qg3 30.Nf1 Qf2 31.Kh2 Bg3 32.Kh1-+) 30.Bd1 Qb6 31.Qc3 (31.Bc2 g6-/+ (31...Qb5?? 32.Qh7 Kf8 33.Ba3 Qb4 34.Bb4 Be7 35.Qh8; 31...Bb5 32.Qh7 Kf8 33.Ba3 Ke8 34.Qg8 Kd7 35.Qf7 Kc8 36.Bg6+-)) 31...g6 (31...Qb5 32.Qb3-+) 32.Qc5 Qc5 33.dc5 Bb5 34.Nb3 Nf5 35.Na5? (35.Bc1 Bf6-/+) 35...Ba6 (better 35...Ne3 36.Bb3 Ba6-+) 36.e4-/+ Ne3 37.Bb3 Nc4 38.Bc4 Bc4?? (38...dc4 39.Bc3-+) 39.c6?? (better 39.Nb7 Bg5 40.Kf2+=) 39...bc6-+ 40.Nc6 de4 41.fe4 Bd3 42.e5 Be1 43.Nb4?? (43.g4 Kf8-/+) 43...Bb5 (better 43...Bb4 44.Bd4 Kf8-+) 44.Nc2-/+ Ba5 45.Nd4 (45.Nd4 Bb6 46.Kh2-/+). avz81 (1665) - DimaFens (1655), lichess.org, 2019.

6.Be2 Bd6 7.Nc3 (7.Be5 Be5 8.Ne5 Nbd7 9.Nd7 Bd7 10.0-0 Re8 11.d4 Qe7=; 7.0-0 Nbd7 8.Nc3 a5 9.ba5 c6 10.Nd4 e5 11.Nb3 Re8=; 7.d3 a5 8.b5 c6 9.c4 cb5 10.cb5 Qe7 11.0-0 e5=; 7.Ne5 Be5 8.Be5 a5 9.ba5 Nc6 10.Bc3 e5 11.Bb4 Re8=) 7...Bd7 8.0-0 a5 9.Na2 Qe7 10.Be5 Ra7 11.d4 Ne4 =.

6.Be2 Bd7 7.0-0 c6 8.Nc3 Bd6 9.d4 (9.Na4 b6=) 9...Be8 10.Bd3 Nbd7 11.e4 de4 12.Ne4 Ne4 13.Be4 f5 (13...a5 14.ba5 Nf6 15.Bd3=) 14.Bd3+= Bf4 (14...Bh5 15.Qe2 Qf6 16.Rfe1+=) 15.c4 (15.Re1 Bf7+/–) 15...Bh5+= 16.g3 (16.Re1 Qf6+=) 16...Bg5 (16...Bb8 17.Be2=) 17.Ng5 (17.Be2 Bf6+=) 17...Bd1= 18.Ne6 Qe7 19.Nf8 Qf8 (19...Bf3 20.Nd7 Qd7 21.Rfe1=) 20.Rad1+= Re8 21.f4 (21.d5 cd5 22.cd5 Nb6+=) 21...Nf6 (21...Qf7!?=) 22.Bf5+/– Ne4 23.Be4 Re4 24.Rfe1 (better is 24.d5!? c5 25.d6 cb4 26.c5+/–) 24...Re1 25.Re1 Qf7 (25...Qf5 26.d5 cd5 27.cd5 Qd5 28.Kf2=) 26.d5 (better is 26.c5=) 26...h6?? (better is 26...cd5 27.cd5 Qd5=) 27.d6+– Qc4?? (better is 27...Qf5 28.c5 b6+–) 28.d7 Qd5 29.Re8 Kf7 (30.d8Q Qd8 31.Rd8 Ke6 32.Bg7 h5+–) +–. kamera (1625) – gzzz (1645), GameColony.com, 2002.

6.Be2 Ne4 7.0-0 Nd7 (7...c5 8.bc5 Bc5 9.c4=) 8.d3 Nef6 (8...Bf6 9.Qc1 Ng5 10.c4=) 9.c4 dc4 10.dc4 Nb6 (10...c5 11.Qd2=) 11.Qc2+= c5 (11...Bd7 12.b5+=) 12.Rd1 Qe8 (12...Nbd7 13.Ng5 g6 14.b5+=) 13.b5 Nbd7 (13...a6 14.Ng5 h6 15.Bf6 hg5 16.Bb2+–) 14.Bd3 e5 (14...a6!?+–) 15.Ne5+– Ne5 16.Be5 h6 (16...Bg4 17.Rd2+–) 17.Nc3 Be6 (17...Ng4 18.Bg3 Nf6 19.Nd5 Nd5 20.cd5+–) 18.Nd5! Nd7 (18...Bd5 19.cd5 Passed pawn; 18...Nd5 19.Bh7 Double attack (19.Bh7 Decoy; 19.cd5 Passed pawn)) 19.Ne7 Qe7 20.Bd6! Qg5 (20...Qd6 21.Bh7 Double attack (21.Bh7 Decoy)) 21.f4 Qg4 22.f5 Bc4 (22...Rfd8 23.h3 Qg5 24.Bf4+–) 23.Bc4 Rfe8 24.Qb3 Qf5 (24...Qh5+–) 25.Rf1 Qg6 (25...Qg4 26.Rf4 Qg5 27.Rf7 Kh8 28.Rd7 Re3+–) 26.Bf7 Kh8 27.Bg6 Re3 28.Qe3 1–0. mtrh – NN, internet, 2002.

6.Be2 Qe7 7.d3 (7.Nc3 Bd7=) 7...e5 8.Nbd2 c6 (8...a5 9.0-0=+) 9.c4= Bg4 10.0-0 Nbd7 11.Re1 Rfd8 12.cd5 (12.c5 Bc7=) 12...cd5=+ 13.Nf1 Bf3 14.Bf3 e4 15.Be2 Rac8 16.Ng3 g6 17.Qb3 h5 18.de4 de4 19.Rac1 Rc1 20.Rc1 Be5 21.Rd1 Bb2= 22.Qb2 Rc8 23.h3 Nb6 24.Qb3 Rd8 25.Rd8 Qd8 26.Qc3 Qd6 27.Nf1 Kh7 28.Nd2+= Qe7 29.Qd4 Kg7 30.Bd1+/– Nc8 31.Bc2 Nd6 32.a4 b6 33.a5 ba5 34.ba5 Kh7 35.Bb3 Nf5 36.Qc4 Kg7 37.a6 Nd6 38.Qc5 Ng8 39.Nc4 Nc4 40.Qc4 Nf6 41.Qb5 Ne8 42.Qb7 Kf6 43.Qa8 Kg7+/– 44.Qb7 Kf6 45.Bd5 Nd6 46.Qc6 Kg7+= 47.Qc5 Qe5= 48.Qd4 Qd4 49.ed4 f5 50.Bc6 f4 51.h4 Kf6 52.Kf1= g5 53.hg5 Kg5 54.Bd7 h4 55.Ke2 Nf5=+ 56.d5 Nd6 57.Kd2 Kf6 58.Be6 Ke5-/+ 59.Ke2 Nb5–+ 0–1. Saradjen,Janko (2170) – Gruskovnjak,Tomislav (2055), Portoroz op, 1995.

6.Be2 Re8 7.0-0 Nbd7 8.c4 c6 (8...a5 9.b5=) 9.Ne5 (9.Nc3!?+=) 9...Ne5 (9...a5 10.b5=) 10.Be5 b6 (10...dc4 11.Bc4 b5 12.Be2=+) 11.Bf6 (11.Nc3!?=) 11...Bf6=+ (worse 11...gf6 12.cd5 ed5 13.Bd3=) 12.d4 (12.Nc3 a5=+) 12...dc4 (12...e5!? 13.de5 Be5-/+) 13.Bc4=+ Bb7 (better 13...c5 14.bc5 bc5=+) 14.Be2? (better 14.Nd2=+) 14...c5!–+ 15.Ra2? (15.bc5 bc5 Combination; 15.dc5 Ba1 Pinning (15...Ba1 Deflection)) 15...Qd5 16.Bf3 Qa2 17.Bb7 Rad8 (17...Rab8 18.Bc6 Red8 19.Nd2 cb4 20.ab4 Bd4 21.Ne4 Be3 22.Qa1 Qa1 23.Ra1–+) 18.bc5 (18.Bc6 Re7 19.bc5 bc5–+) 18...bc5 19.Be4 (19.Bc6 Rf8 20.Nc3 Qc4–+) 19...cd4 20.Qh5 (20.Qd3 de3 21.Qe3 Bd4–+) 20...g6 21.Qf3 (21.Qa5 Qe2 22.Bf3 Qb2–+) 21...Bg7 22.ed4 (22.h4 d3–+) 22...Rd4 23.Bc6 (23.g3 Rb8 24.Qe3 Rb3–+) 23...Rb8 24.Nc3 (24.Bb5 Rdd8 25.Qc6 Rdc8–+) 24...Qa3 25.Qg3 (25.Ne2 Qf3 26.Bf3 Rc4–+) 25...Rc8 (better 25...Rd6 26.Ba4 Bc3 27.h4–+) 26.Qf3 Rc4 (better 26...Qc5 27.Bb7 Qc3 28.Bc8 Qc8 29.g3–+) 27.Nb5 (27.Nd1 Qf3 28.Bf3 a5–+) 27...Qf3 (better 27...Qc5 28.Bd7 Rd8 29.Qd3–+) 28.Bf3 R4c5 29.Nd6 (29.Na7 R8c7 30.Nc6 R7c6 31.Bc6 Rc6–+) 29...Rb8 30.g3 (30.h3 a5 31.Ne4 Rc2–+) 30...a5 31.Rd1 (31.Ne4 Rc7 32.Rd1 a4–+) 31...a4 32.Rd3 (32.Ne4 Ra5 33.Nd6 a3–+) 32...Rc3 33.Rc3 Bc3 34.Ne4 (34.Nc4–+) 34...Bb2 35.Nd2 a3 0–1. Sapareva,Magdalena – Metev,Martin (2060), 174th Open MGU, 2016.

6.Be2 h6 7.0-0 a5 8.b5 c6 9.c4 Bd7 (9...dc4 10.Nc3=) 10.Nc3 cb5 11.cb5 b6 12.Qc2 Bd6 13.e4 de4 14.Ne4 Ne4 (better is 14...Ne8+/–) 15.Qe4+– Qe7 (15...Ra7 16.Qd4 Qf6 17.Qb6 Qb2 18.Qa7 Ba3+–) 16.Qa8 Nc6 17.Qa6 (17.bc6?! Ra8 18.cd7 Qd7+/–) 17...Bc8 18.Qb6 (18.bc6?! Ba6 19.Ba6 Qc7+–) 18...Bc5 19.Qc5! (19.bc6?! Bb6 20.Rfc1 Rd8=) 19...Qc5 20.Rfc1 (20.bc6?! Qc6 21.Rac1 Qd6+–) 20...Qb5 (20...Qb6 21.Rc6 Qd8+–) 21.Bb5 (21.Bb5 Na7 22.Be2+–) 1–0. Janek – zandar, internet, 2017.

6.Be2 h6 7.0-0 b6 8.d3 Bb7 9.Nbd2 Nbd7 10.c4 c5 11.cd5 ed5 12.bc5 bc5 13.Rc1 (13.Rb1 Rb8=) 13...Rb8 14.h3 Bd6 15.Qc2 (15.Nh4 Bc8 16.Rc2 Re8=) 15...Nb6 16.Nh4 Ne8 (better 16...Bc8!?=) 17.Nf5+= Qg5 (better 17...Bc7!?+=) 18.Nd6+- Nd6 19.Nf3 (19.Qc5 Na4 20.Qd6 d4+-) 19...Qg6+/- 20.Ba1 (20.Qc5 Na4 21.Qb4 Nb2 22.Qb2+/-) 20...f6? (20...Rfc8 21.Be5=) 21.Nd2?? (better 21.Qc5!? Nf7 22.Rfd1+-) 21...c4 (21...d4 22.e4 Rfc8 23.Rfe1=) 22.Bd4 (22.dc4 Qc2 23.Rc2 Ba6+=) 22...Bc8= 23.Bc5 (better 23.dc4!? Bf5 24.Qc3 Bh3 25.Bf3 dc4 A) 26.Nc4? Ndc4 27.Bb6 Nb6-+ (27...Rb6?! 28.Qc4 Be6 29.Qc7+=); B) 26.Bb6 Rb6 27.Nc4 Nc4 28.Qc4 Be6 29.Qc7+=) 23...Bh3-/+ 24.Bf3 Nf5?? (better 24...cd3 25.Qa2 Rfd8-/+) 25.Kh2 (25.dc4 Rfc8 26.Bb6 ab6 27.Bd5 Kh8+/-) 25...Bg4 26.Bg4 Qg4 27.Nf3?? (better 27.Bf8 Rf8 28.dc4 dc4 29.Rfd1+= (worse 29.Nc4 Rc8-/+)) 27...Qh5 (27...Rfc8 28.Bb6 ab6 29.Rfd1-/+) 28.Kg1 Rfc8 29.d4 Nh4 (29...Re8 30.Rb1-/+) 30.Nh4 Qh4 31.Qf5 Qg5 (31...Qe4 32.Qe4 de4 33.Rc3-/+) 32.Qe6=+ Kh7 33.g3 (33.Rb1!?=+) 33...Re8-/+ 34.Qh3 Rb7 35.Kg2 (35.Rb1 Reb8-/+) 35...Nd7 36.Rh1 (36.Rb1!? Nc5 37.Rb7 Nb7 38.Qd7-/+) 36...Nc5-+ 37.dc5 Rc7 38.Qh4 (38.Rb1 c3-+) 38…Qh4 (38...Qh4 39.Rh4 Rc5-+) 0-1. e4_e5_f4 (1720) - Alas0264 (1730), lichess.org, 2020.

6.Be2 h6 7.0-0 Nc6 8.d3 b6 9.d4 Bb7 10.c4 dc4 11.Bc4 Nh7 (11...Bd6 12.Qc2 a5 13.b5=) 12.Nc3+= Bd6 13.Qc2 Ng5 14.Ng5 Qg5 15.f4 Qg4 (15...Qh5!?+/–) 16.d5 Ne7 17.de6 fe6 18.h3 Qg3 19.Be6 Kh8 20.Rae1 White prepares the advance f5 20...c5? (better is 20...Rae8 21.Ne4 Be4 22.Qe4 Nf5+/–) 21.Ne4+– Qg6 22.f5 Nf5 (22...Be4 23.Qe4 Qg3+–) 23.Nd6 Bg2 (23...Qe6 24.Nf5 Rf7+–) 24.Nf7! (24.Nf5?? Be4 25.Kh2 Bc2 26.Ng7 Kh7–+; 24.Rf5?? Be4 25.Kh2 Bc2–+; 24.Bf5 Qd6 25.Qg2 Qe7+–) 24...Kh7 (24...Rf7 25.Qg2 Zwischenzug) 25.Bf5 Be4 26.Bg6 Kg6 27.Qe4 1–0. Heini – chessenemy, internet, 2016.

6.Be2 h6 7.0-0 Nc6 8.d3 b6 9.d4 Bd6 10.c4 Ne4 11.Nc3 Nc3 12.Bc3 Be7 13.Qc2 Nb8 14.e4 dc4 15.Bc4 Bb7 16.Rfd1 Ba6 17.b5 Bb7 18.d5 ed5 19.Qb2 (worse is 19.ed5 a6+/–) 19...Bd6 20.Rd5 Bd5 21.Bd5 c6 22.bc6 Na6 23.Rd1 g6 (23...Nc7 24.Bg7 Ba3+–) 24.Bh8 Bh2 (24...Qf6 25.Qf6 Bh2 26.Kh2 Rfd8 27.Qg7 mate) 25.Nh2 (25.Nh2 Qf6 26.Qf6 Rfd8 27.Qg7 mate) 1–0. Trokenheim,Marek (1830) – Mori,Roberto, OP–2012–0-02097, 2012.

6.Ne5 a5 7.Nd3 Bd7 8.Nc3 d4 9.ed4 Nc6 10.Na2 Bc8 11.c3 Qd5 =.

6.Ne5 Bd6 7.d4 Ne4 8.Nd2 Nd2 9.Qd2 f6 10.Nf3 Nd7 11.c4 c6 =.

6.Ne5 Nbd7 7.Nd7 Qd7 8.Qf3 a5 9.b5 Ne4 10.Be2 f6 11.c4 c6 =.

6.Ne5 Nfd7 7.Nd7 Nd7 8.Be2 Nf6 9.0-0 a5 10.b5 Qd6 11.f4 Nd7 =.

6.Ne5 Ne8 7.Bd3 a5 8.b5 Nd7 9.Nd7 Qd7 10.Qh5 h6 11.0-0 c6 =.

6.Bf6 Bf6=+ 7.d4 a5 8.Nbd2 ab4 9.ab4 Ra1 10.Qa1 Qd6 11.Qc3=+.

6.Rg1 a5 7.b5!?=+.

6.Rg1 a5 7.g4 ab4 8.ab4 Ra1 9.Ba1 Ne4 (9...Bb4 10.g5 Ne4 11.Qc1-/+) 10.Bd3 (10.d3 Ng5 (worse 10...Bb4 11.c3+=) 11.Ng5 Bg5=+) 10...Nc6 (10...Bb4!? 11.Qc1 f6-+) 11.Be4 (11.b5 Nb4=+) 11…de4-/+. opperwezen (2735) - Haroldo_Montado (2620), lichess.org, 2016.

6.Rg1 a5 7.g4 ab4-/+ 8.g5 Ne4 9.d3 ba3 10.de4+= ab2? (10...de4 11.Nfd2 a2+/- (11...Bg5? 12.Ne4 Qd1 13.Kd1+-)) 11.Ra8+- Nc6 (11...de4 12.Nfd2 Nc6 13.Ne4 Qd1 14.Kd1 Rd8 15.Bd3+-) 12.Bd3 (12.ed5!? ed5 13.Bh3 Bh3 14.Rd8 Rd8+-) 12...Nb4 13.e5 c5 14.h4 (14.c3!? Nd3 15.Qd3 Qc7+-) 14...c4 15.Be2 Qb6 (15...Qc7 16.c3 Nc6 17.Qd2+-) 16.c3 Nc6 17.Ra2 Qc7 18.Rb2 Ne5 19.Ne5 Qe5 20.Qd4 Qh2 21.Kf1?? (better 21.Qg4+-) 21...e5-+ 22.Qd5 Bh3 23.Qg2 Bg2 24.Rg2 Qh1 25.Rg1 Qh3 26.Ke1 Qh4 27.Nd2 Qh2 (better 27...Ra8 28.Rb7 Bc5-+) 28.Nf3-/+ Qh3 29.Rb7 Bc5 30.Rg3 (30.Ne5? Be3! 31.Nf3 Bf4-+) 30...Qe6 31.Nd2 Qc6 (31...Qa6 32.Rb1 Qa5 33.e4-+) 32.Rb1-/+ Rd8 33.Rg1 (33.Bc4 e4 34.Bb5 Qd5-+) 33...Bf8 (better 33...Qa4!? 34.Rd1 Qc2-+) 34.Nc4-/+ Rc8 35.Rd1 Qc5 (35...e4 36.Rg3-/+) 36.Kf1 e4 37.Rd4 Qf5?? (37...Rb8 38.Re4 Rb1 39.Kg2 Qg5 40.Rg4 Qd5 41.e4 Rg1 42.Kg1-/+) 38.g6?? (better 38.Bg4!? Qc5 39.Bc8 Qc8 40.Ke2+/-) 38...hg6 (better 38...Qh3!? 39.Ke1 Qh2 40.gf7 Kf7=+) 39.Bg4+= Qc5 40.Bc8 Qc8 41.Nd2 (41.Re4 Qa8 42.Rd4 Qa1 43.Kg2 Qc3+=) 41...f6 (better 41...f5!?=) 42.Ne4+/- Qa6 (42...f5 43.Nd2+/-) 43.Kg2 (43.c4 f5 44.Nd2 Bb4+/-) 43...Qc8 (43...Qc6 44.Kh2+=) 44.Ng3 (44.c4!?+/-) 44...Qc6 45.f3 Qc8 (45...Qc3 46.Kf2+=) 46.Rd2 (46.Rd3 g5+/-) 46...Bc5 (better 46...Qc3!? 47.Re2 f5=) 47.Re2 (47.Rgd1 Kf7+/-) 47...Bf8 48.e4 (48.Rc1 g5+/-) 48...Qc6 (48...Qc3 49.Rd1+=) 49.Rf1 (49.Rc2 Qd7+/-) 49...Qc4 (49...Qc3 50.Rd1+=) 50.Rff2 (50.Rc2 Bd6 51.Rd1 Qb3+=) 50...Qc7 (50...Bc5 51.Rf1=) 51.Nf1 (51.Rc2 Qf4+/-) 51...Qe7 (51...Bc5!? 52.Ne3 Qe5=+) 52.Ne3 (52.Rc2 f5 53.Ng3 Qg5=) 52...Qf7 (52...f5 53.Nd5 Qh4 54.ef5=+) 53.Ng4 (53.Nd5 g5+/-) 53...g5 (53...Bc5 54.Rf1+=) 54.Nh2 (54.Rc2 Bc5 55.Rfe2 Qc4+/-) 54...Qg6? (better 54...Bc5 55.Rf1 Qc4=) 55.f4?? (55.Rd2!?+/-) 55...f5?? (better 55...gf4 56.Kf1 Bc5-+) 56.ef5+= Qf5 57.fg5 (better 57.Re5!? Qf6 58.Rg5 Qc3 59.Nf3+=) 57...Qg5=+ 58.Kf1 Qd8 (58...Bc5 59.Re8 Kh7 60.Nf3 Qc1 61.Re1 Qc3 62.Rh2 Kg6 63.Rh3 Qd3 64.Kg2 Qc2 65.Kh1=+) 59.Nf3 (59.Rd2 Qa8 60.Rf3 Bc5+=) 59...Qd1 (59...Bc5 60.Nd4 Qa8 61.Re3 Bd4 62.cd4 Qa1 63.Ke2 Qd4 64.Rf5=) 60.Re1 (60.Ne1 Qd5 61.Rf3 g5=) 60...Qd6 (60...Qd3 61.Kg2=) 61.Kg2 (61.Rd2 Qf4 62.Rd3 g5+=) 61...Qg6= 62.Kf1 Qh7 (62...Qd3 63.Kg2 Qc3=) 63.Ree2 (63.Re3 Qb1 64.Ke2 Qb2 65.Nd2 Bc5 66.Re8 Kh7 67.Rh2 Kg6=) 63...Qg6 (63...Qh1 64.Ng1 Bc5 65.Rg2=+) 64.Rg2 (64.Ne5 Qh5 65.Ke1 Bd6=) 64...Qf7 (64...Qd3 65.Ne5 Qh3 66.Ng4=+) 65.Ref2 (65.Re3!?+=) 65...Qf5 (65...Bc5 66.Nd4 Qc4 67.Re2 Qc3 68.Nc2-/+) 66.Kg1 (66.Rg5 Qd3 67.Kg2 Qc3=) 66...Qd3 (better 66...Bc5 67.Rg5 Bf2 68.Kf2 Qc2 69.Ke3 Qc3 70.Ke4 Qc2 71.Kf4 Kf7-+) 67.Nh4? (better 67.Rg5=) 67...Qf5?? (better 67...Bc5 68.Kh2 Bf2 69.Rf2 Qc3-+) 68.Kh2 (better 68.Rf5 Be7 69.Nf3+-) 68…Qf2 (68...Qf2 69.Rf2 Bc5+-). TwelveTeen (2660) - Taipei101 (2490), time forfeit, lichess.org, 2018.

6.Rg1 a5=+ 7.g4 ab4-/+ 8.g5 Ne4 9.d3 Ng5 10.Ng5 Bg5 11.Bg7 Kg7-/+.

6.Rg1 a5=+ 7.g4 ab4-/+ 8.g5 Ne4 9.h4 ba3 10.Na3 Nc6 11.Nb5 Ra1 12.Qa1 f6 13.h5 (13.d3 Nd6 14.gf6 Bf6 15.Bf6 Rf6 16.Nd6 cd6-/+) 13...e5 (13...fg5 14.Be2 Rf7 15.d3-+) 14.d3? (better 14.gf6!? Bf6 15.Ne5 Ne5 16.Be5=+) 14...Ng5-+ 15.Ng5 fg5 16.h6 gh6 17.Be5? (17.Bg2-+) 17...Ne5 18.Qe5 c6 19.Nd4 (19.Kd1 cb5 20.Bg2 Rf5 (20...Rf2?! 21.Bd5 Rf7 22.Qe4-+) 21.Bd5 Qd5 22.Qe7 Rf2 23.Qe8 Rf8-+) 19...Bf6 (better 19...Bb4!? 20.Kd1 Bd6 21.Nc6 bc6 22.Qc3 Rf2 23.Qc6-+) 20.Qh2 (20.Qg3 Qa5 21.Ke2 Bd4 22.ed4 Qc3-+) 20...Bd4 (20...Qa5 21.Ke2 Bd4 22.ed4-+) 21.ed4 Qf6 (21...Qa5 22.Ke2 Qc3 23.Kd1-+) 22.c3 Bf5 (better 22...Qe7!? 23.Be2 Qa3 24.Kf1 Qc1 25.Kg2-+) 23.f4 g4 24.Qh5 (24.Kd1 Bd7 25.Qa2 Qf4-+) 24...Qg6 25.Qh4 h5 (25...Qd6 26.Rg4 Bg4 27.Qg4 Kh8 28.Kd1-+) 26.Be2 Re8 27.Kf2? (27.Kd2-+) 27...Bd3 (better 27...Qe6 28.Re1 Qe3 29.Kg2 Qf4-+) 28.Bg4-/+ Kh8 (worse 28...hg4 29.Rg4 Kf7 30.Rg6 Bg6 31.Qg5=) 29.Bh5 Qh6 30.Qg5 Qg5 31.Rg5 Rf8 32.Kg3 (32.Ke3 Bf5-/+) 32...Be4 (32...Bf5 33.Be2-/+) 33.Bg4 Rg8 (33...Ra8 34.Kh4-/+) 34.Re5 (34.Rg8 Kg8 35.Bc8 b6=+) 34...Kg7 35.Kh4 Kf6 (35...Rf8!? 36.Kg3 h6-/+) 36.Re6= Kf7 37.Re5 (better 37.f5=) 37...Bg6?? (better 37...Ra8=+) 38.Be6+- Kg7 39.Bg8 Kg8 40.Kg5 Kf7? (40...Be4+-) 41.f5 1-0. TwelveTeen (2640) - Sigma_Tauri (2680), lichess.org, 2018.

6.Rg1 c5 7.bc5!? Bc5 8.c4=+.

6.Rg1 c5 7.g4 cb4-/+ 8.ab4 Bb4 9.g5 Ne4 10.Ra4 Be7 11.d3 Nc5 (worse 11...Ng5 12.Ng5 Bg5 13.Bg7 Kg7 14.h4-/+) 12.Rh4 f5 (12...a5 13.Nbd2-/+) 13.Ne5 (13.gf6 A) worse 13...Rf6 14.Ng5 h6 15.Nf3+= (worse 15.Bf6 Bf6 16.Rh6 Bg5=+); B) 13...Bf6 14.Bf6 Rf6=+) 13...Qe8 14.Rh7 (better 14.Qh5 Qh5 15.Rh5-/+) 14...Kh7+/- 15.g6 Kg8 (15...Kh6 16.Qf3 Nd3 17.Bd3 Qa4 18.e4 Qa5 19.c3 Qc3 20.Nc3 Bh4 21.Qf4 Bg5 22.Qg5) 16.Qh5 (16.Qh5 Nd3 17.Ke2 Nf4 18.ef4 Qb5 19.Kf3 Qb3 20.cb3 Rd8 21.Qh7 Kf8 22.Qh8) 1-0. TwelveTeen (2655) - Taipei101 (2495), lichess.org, 2018.

6.Rg1 c5 7.g4 cb4-/+ 8.g5 Ne4 9.d3 Nc3 (better 9...ba3!? 10.Ba3 Ba3 11.Ra3 Nd6-/+) 10.Nc3=+ bc3 11.Bc3 Nc6 12.h4 Bd7 (12...Qc7 13.h5=+) 13.h5 Rc8 14.Qd2 Re8 15.g6 fg6 16.hg6 h6 17.Rh1 Bf6 18.d4 Ne7 19.Bd3 Qc7 20.Bb2 Nf5 21.Bf5 (better 21.Ne5!?=) 21...ef5-/+ 22.0-0-0 (22.Ne5 f4-/+) 22...Ba4 23.Ne1 f4! 24.Kb1 (24.ef4 Qc4 Combination) 24...fe3 25.fe3 Qe7 (25...Bg5 26.Qg2 Re4 27.Rd3 Be3 28.Rc3-+) 26.Qg2 Qe4 27.Qh3 (better 27.Rd2!?-+) 27...Bc2 28.Nc2 Rc2 29.Ka1 Qe3 (29...Qg6 30.Rc1-+) 30.Qf5 (30.Qd7 Qe6 31.Qb7-+) 30...Qe4 31.Qd7 (31.Rhe1 Qe1 32.Qc2-+) 31...Rb2?? (better 31...Qg6 32.Rde1 Rd8 33.Qb7 Qg3-+) 32.Qf7 Kh8 33.Kb2 (33.Rh6! gh6 34.Qh7) 33...Bd4-+ 34.Kb3 Qe3 35.Ka4 (35.Ka2 Qe2 36.Rd2 Qc4 37.Kb1 Qb3 38.Kc1 Rc8 39.Qc7 Rc7 40.Rc2 Qc2) 35...b5! 36.Kb5 (36.Kb5 Qb3 Mate attack) 36...Qb3 37.Kc6 Qb6 38.Kd5 (38.Kd7 Rd8 39.Ke7 Qd6) 38...Rd8 (38...Qc5) 39.Ke4+- Qb7 1-0. TwelveTeen (2675) - BabaRamdev (2855), lichess.org, 2018.

6.Rg1 Nbd7 7.g4 a5 8.g5 Ne4 9.d3 Ng5 10.Ng5 ab4?? (better 10...Bg5 11.Bg7 Kg7=+) 11.Nh7! Kh7 (11...Kh7 12.Qh5 Mate attack) 12.Qh5 (12.Qh5 Kg8 13.Rg7) 1-0. opperwezen (2670) - MrWalker (2120), lichess.org, 2017.

6.Rg1 Kh8 7.g4 Rg8 (7...a5 8.b5=+) 8.g5 Ne4 9.Ne5 Qf8?? (better 9...Rf8=) 10.Qh5+- Ng5 (10...Nd7 11.Nf7 Qf7 12.Qf7 Bg5+-) 11.Rg5 Nc6 (11...Bg5 12.Bd3 h6 13.Qf7 Nc6 14.Ng6 Kh7 15.Nf8 Kh8 16.Qg6 Rf8 17.Qg7) 1-0. opperwezen (2695) - HighContrast (2500), lichess.org, 2017.

6.g3 b6 7.Bg2 Bb7 8.0-0 ½–½. Vojinovic,Goran – Marinkovic,Slavisa, Yugoslavia, 1995.

6.g3 c5 7.c3 Nbd7 (7...Nc6 8.d4 Qb6 9.Nbd2 (9.Qc2 c4 10.Nbd2 a5 11.Be2 ab4; 9.dc5 Bc5 10.c4 Be7 11.c5 Qc7) 9...c4 10.Bg2 h6 11.0-0 a5; 7...Qb6 8.d4 A) 8...c4 9.Bg2 (9.Nbd2 Nc6 10.Bg2 a5 11.0-0 h6; 9.Be2 Nc6 10.Nbd2 Bd6 11.0-0 Bd7) 9...Nc6 10.Nbd2 Ng4 11.0-0 a5; B) 8...Rd8 9.Qc2 c4 10.Nbd2 a5 11.Be2 ab4; C) 8...Ne4 9.Nbd2 Nc6 10.Ne4 de4 11.Nd2 cd4; D) 8...a5 9.dc5 Bc5 10.Nbd2 Bd7 11.Bd3 Nc6) 8.Bg2 (8.bc5 Nc5 9.c4 dc4 10.Bc4 b5-/+ 11.Be2 Nd3; 8.d4 Qb6 9.Be2 (9.Nbd2 cd4 10.cd4 a5 11.Bd3 ab4) 9...Ng4 10.Nbd2 cd4 11.cd4 a5) 8...b5 (8...e5 9.d4 e4 10.Nfd2-/+ c4 11.0-0 a5; 8...Nb6 9.bc5 (9.0-0 Bd7 10.Ne5 Bb5 11.d3 Na4) 9...Nc4 10.Bc1 Bc5 11.d3 Nd6; 8...a5 9.d3 ab4 10.ab4 Ra1 11.Ba1 cb4; 8...Qc7 9.0-0 Nb6 10.d3 Bd7 11.Nbd2 Na4; 8...Qb6 9.d3 a5 10.Nbd2 ab4 11.cb4 cb4) 9.d3 (9.0-0 a5=+ 10.Qc2 Bd6 11.d4 c4; 9.d4 cd4 10.cd4 a5 11.Nc3 ab4) 9...Bb7 (9...a5 10.bc5 (10.0-0 ab4 11.cb4 cb4) 10...Nc5 11.0-0=+ (11.Qc2 Qc7) 11...Ba6) 10.Nbd2 (10.0-0 a5=+ 11.bc5 Nc5) 10...Nb6 (10...Qc7 11.0-0=+ c4; 10...a5 11.bc5 Nc5) 11.bc5 (11.0-0 Na4) 11...Bc5 (11...Na4 12.Qc2 Nc5 13.Rb1=+) 12.Nb3 (12.0-0 Na4 13.Qc2 a6=+) 12...Na4 (12...Bd6 13.Na5 Bc8 14.Qb3-/+) 13.Nc5= Nc5 14.0-0 Na4 (14...a6 15.Qc2=) 15.Rb1 (15.Qb3 Qc7=) 15...Qa5 (15...Rc8 16.Qd2=+) 16.Qd2 Nb2 17.Qb2 a6 ½–½. Herciu,Ana_Maria – Trimbitaru,Cornelia, CN Juniori F14, 2012.

6.g3 c6 7.Ne5 Nbd7 8.f4 Ne5 9.fe5 Nd7 10.Bd3 f5 11.ef6 Bf6 12.Nc3 Ne5 13.Be2 b5 14.d4 Nc4 15.Bc4 bc4 16.0-0 e5 17.de5 Be5 18.Qh5 Bf6 19.Na4 Bb2 20.Nb2 Ba6 21.Qe5 Rf1 22.Rf1 c3 23.Nd3 Bd3 24.Qe6 Kh8 25.cd3 d4 26.Qe5 de3 27.Qe3 Qd5 28.d4 Qc4 29.Rc1 Rd8 Exerts pressure on the isolated pawn (29...c2!?+=) 30.Rc3+/– Qd4 31.Qd4 Rd4 32.Rc6 Rd8 33.Rc7 Ra8 34.b5 h6 35.a4 Kh7 36.Kg2 Kg6 37.Rc6 Kf7 38.g4 1–0. Fritz11 – jumbo, casual, 2013.

6.g3 Nbd7 7.Bg2 c5 (7...Nb6 8.d3+=) 8.bc5 Nc5 9.Nc3 (9.Bd4 Qc7=) 9...Bd7 10.Ne5 Be8 11.0-0 Rc8 12.a4 (12.Rb1 Qc7 13.f4 Bd6=) 12...Qa5 13.Ba3 Qd8 (13...Nfe4 14.Ne4 de4 15.d4 ed3 16.cd3=) 14.d4 Ncd7 15.Qd3 (15.Nb5 Ba3 16.Ra3=) 15...Nb6 (better is 15...Ne5!? 16.de5 Nd7+=) 16.Rfb1 Qc7 (16...Ba3 17.Ra3 Nfd7 18.Nf3+=) 17.Be7 Qe7 18.a5 Nc4 19.Nc4 Rc4 (19...dc4!? 20.Qe2 Rc7+=) 20.e4+/– Qc7 21.Rb3 Bc6 22.e5 Nd7 23.Bf1 Rb8 (23...f6!? 24.ef6 Nf6+/– (24...gf6? 25.Qd1+–)) 24.Qd2 b5 25.ab6 Nb6 26.Bc4 Nc4 27.Rb8 Qb8 28.Qc1 (28.Qg5 Kf8+–) 28...h6 (28...a5 29.Qb1 Qe8 30.Qb3+–) 29.Qb1 Qc7 (29...Qa8 30.Nb5 Bb5 31.Qb5+–) 30.Qb4 (30.Ra6!? Nb6+–) 30...a5 31.Qc5 Qd7? (31...Qb7 32.Rb1 Qa8+–) 32.Rb1 a4?? (32...Kh7 33.Rb8 Nd2+–) 33.Rb8 Kh7 34.Qf8 Qa7 (34...Kg6 35.Ne2 Nd2 36.Kg2+–) 35.h4 h5 (35...Ne5 36.de5 d4+–) 36.Qh8 Kg6 37.Rg8 f6 38.ef6 (38.g4 hg4 39.Ne2 Qd7 40.Ng3 fe5 41.Rf8 Qf7 42.Qh5 Kf6 43.Qf7) 38...Kf6+– 39.Rf8 Kg6 40.Ne2 1–0. Hogic,Enes – Ruznic,Ramiz (2040), 2rd Tuzla Bosnia Herz., Team Champio, 2015.

6.g3 Nbd7 7.Bh3 c6 8.0-0 Qc7 9.d4 b6 10.Nbd2 c5 11.c3 cb4 12.cb4 Bb7 13.Rc1 Qd8 14.Qe2 Rc8 15.Rc3 Rc3 16.Bc3 h6 17.Ne5 Ne5 18.de5 Nd7 19.f4 Qc7 20.Rc1 Nb8 21.Bb2 Qd7 22.b5 Rc8 23.Qd1? (better is 23.Rc8 Qc8 24.Nb3=) 23...Rc1 24.Bc1 Qb5 25.Bf1 Qa5 26.Qc2 Nc6 (26...Ba3 27.Nb3 Qb4 28.Qc7 Qb3 29.Ba3 Qe3 30.Kg2 Qe4 31.Kh3–+) 27.e4? (27.Qd3!? a6-/+) 27...de4 (27...Ba3 28.Ba3 Qa3 29.Kf2–+) 28.Ne4 Qd5 (better is 28...Qe1!? 29.Bd2 Qa1–+) 29.Nc3?? (better is 29.Bg2 Qd4 30.Nf2–+) 29…Qd8 ½–½. Willi_weizenkeim – M54, playchess.de, 2002.

6.g4 a5 7.g5 Ne4 8.h4 ab4 9.d3 ba3 (better 9...Nc3 10.Nc3 bc3 11.Bc3 Ba3-/+ (worse 11...Ra3 12.Ra3 Ba3 13.Qa1+=)) 10.de4+= Nc6? (10...de4 11.Nfd2 a2+/-) 11.Bc3?? (better 11.ed5 ed5 12.Na3+-) 11...de4=+ 12.Qd8 Rd8 (12...Nd8?! 13.Ne5=; worse 12...Bd8 13.Nd4 Nd4 14.Bd4+=) 13.Nd4 Bd7 14.Nc6 (14.Bg2 Nd4 15.Bd4 Ra4=+) 14...Bc6-/+ (worse 14...bc6 15.Nd2+/-) 15.Nd2 Bc5 (15...f6 16.gf6 gf6 17.Bg2-/+) 16.Bg2 (16.Rg1 Ra4=) 16...Rd7 (16...Ra4!?=+) 17.Ne4= (worse 17.Be4 Rd2 18.Kd2 Be4-/+) 17...Be4 (17...Bf8!? 18.h5 Ra4=) 18.Be4+/- Bb6 (18...c6 19.h5+/-) 19.h5 (better 19.Bb7 Ra7 20.Bc6+-) 19...Rad8? (better 19...c6!?+/-) 20.g6 (20.h6 g6+-) 20...h6 (20...hg6 21.hg6 Bc5 22.gf7 Kf7 23.Bb7 Re7+-) 21.gf7 Kf7 22.Rg1 (better 22.Ra3 Rd1 23.Ke2 Rh1 24.Bh1+-) 22...Rd6 (22...Kg8+-) 23.Rg7 Kf8 24.Rh7 1-0. black_bishop_88 (2450) - odasso10 (2305), lichess.org, 2020. (=1.a3 e6 2.b4 d5 3.Bb2 Nf6 4.Nf3 Be7 5.e3 0-0)

6.g4 c5 7.g5 Ne4 8.h4 (8.d3 Ng5 9.Ng5 Bg5 10.bc5 Nc6=+) 8...cb4-/+ 9.d3 Nc3 (9...ba3!? 10.Ba3 Nd6-/+) 10.Nc3=+ bc3 11.Bc3 Qc7 12.Qd2 (12.Be5 Qc6=+) 12...Nc6=+ 13.h5 e5 14.h6 g6 15.Bg2 f6 16.gf6 Bf6 17.Nh2 d4 (17...Be6 18.Nf3-/+) 18.ed4 (18.Bd5 Kh8 19.Bb2 Qb6-/+) 18...ed4 19.Bb4? (better 19.Bb2-/+) 19...Re8-+ (19...Nb4 20.Qb4 Be6 21.0-0 Qc2 22.Rfe1-/+) 20.Be4 (20.Kf1 a5 21.Bc5 Nd8-+) 20...a5 (20...Nb4?! 21.ab4 Be5 22.Nf3-+) 21.Bc5 (21.0-0 ab4 (21...Nb4?! 22.ab4 a4 23.Rfe1-/+) 22.ab4 Ra1 23.Ra1 Be5-+) 21...b6 (21...Nd8 22.c4-+) 22.0-0-0 (22.Bb6 Qb6 23.0-0 Qc5-+) 22...bc5 23.Rde1 c4! 24.Bd5 (24.dc4 Bd7 Combination) 24...Kf8 25.Re8 Ke8 26.Bc4 (26.Qe2 Be7 27.Qe4 Bd7 28.dc4 Kd8-+) 26...Ne5 27.Re1 Kf8 28.Qe2 (28.Ba2 Bf5 29.Kd1 Rb8-+) 28...Bf5 29.Bd5 (29.Nf3 Rb8 30.Rg1-+) 29...Rb8 30.Be4 Bd7 (30...Bg5 31.Qd2 Qc3 32.Qg5 Qe1) 31.f4 (31.Qd2 Rb3 32.Kd1 Ra3-+) 31...Nf7 (better 31...Nd3 32.Qd3 Qf4 33.Qd2 Rb1 34.Kb1 Qd2-+) 32.f5 (32.Qd2-+) 32...Bg5 33.Qd2 Qc3 (33...Qc3 34.Qg5 Qe1) 0-1. black_bishop_88 (2535) - Powerrino (2480), Ukrainian Bullet League, lichess.org, 2020. (=1.a3 Nf6 2.b4 e6 3.Bb2 d5 4.Nf3 Be7 5.e3 0-0)

6.g4 c6 7.g5=+ Ne4 8.h4 Nd7 9.d3 Nd6 10.Nbd2 f6 11.Rg1 e5 12.c4 b5 (12...Qe8 13.Bh3 e4 14.c5 ef3 15.cd6+=) 13.cd5 cd5 14.Qb3 Bb7 15.Bg2 (15.Bh3 a5+=) 15...Nb6 (15...Kh8 16.Bh3=+) 16.e4 (16.gf6!? gf6 17.h5+=) 16...Kh8 (worse 16...fg5 17.hg5 Bg5 18.Be5= (worse 18.Ng5 Qg5 19.Rd1 Rf7-/+)) 17.gf6 Bf6 18.Ne5 Qe7 19.Ng4 Bb2 20.Qb2 de4 21.Qe5 (21.de4 Nbc4 22.Nc4 Nc4-/+ (22...bc4?! 23.e5=)) 21...Qe5 22.Ne5 Rae8 23.d4 Ndc4 (better 23...Nf5 24.Rc1 Nd4-+) 24.Ndc4= (worse 24.Be4 Ne5 25.de5 Be4 26.Ne4 Re5-/+) 24...Nc4 25.Nc4 bc4 26.Ke2 Rf4 27.Ke3 Rh4 28.Rh1 (28.Rac1 Rc8=+) 28...Rh1 29.Rh1 Rc8 (29...g5!?-/+) 30.Be4= Be4 31.Ke4 c3 32.Rc1 c2 33.Kd3 (33.d5 Kg8 34.d6 Kf7=) 33...h5=+ 34.Rc2?? (better 34.d5 Kg8 35.d6=) 34...Rc2-+ 35.Kc2 h4 36.d5 Kg8 0-1. allyouneedisluft (2445) - carlsen1993 (2300), Rated Bullet game, lichess.org, 2017. (=1.a3 d5 2.b4 Nf6 3.Bb2 e6 4.e3 Be7 5.Nf3 0-0)

6.g4 Ng4 7.Rg1 Nf6 8.Bd3 Kh8 9.Ng5 h6 10.Nh7 Rg8 11.Qf3? (better 11.Nf6 Bf6 12.Bf6 Qf6 13.Nc3-/+) 11...Nh7-+ 12.Qf7 Bf6 13.Bh7 (13.Nc3 c6-+) 13...Kh7 (13...Bb2!? 14.Qg8 Qg8 15.Bg8 Ba1 16.Bf7-+) 14.Qg6 Kh8 15.Nc3 (15.Bf6 Qf6 16.Nc3 c6-+) 15...Nd7 16.0-0-0 (16.f4 c6-+) 16...Nf8 (16...Ne5 17.Qh5 Nc4 18.d4-+) 17.Qh5 a5 18.Ne2 (18.b5 Bd7-+) 18...Bb2 19.Kb2 Qf6 20.c3 ab4 (20...Qf2?! 21.Rdf1 Qf1 22.Rf1 ab4 23.cb4+=) 21.ab4 Bd7 (21...b6 22.f4-+) 22.Nf4 Be8 23.Qh3 Bf7 (23...e5 24.Nd5 Qd8 25.e4-+) 24.Nh5 (24.d4 Ng6-+) 24...Qe5 (better 24...Bh5 25.Qh5 Qf2-+) 25.f4 (25.Nf4-+) 25...Qh5 26.Qh5 Bh5 27.Rdf1 Nd7 28.Rg3 (28.Ra1 e5-+) 28...Nf6 (28...Be2 29.Rf2 Bc4 30.Kb1-+) 29.Rfg1 (29.Rg2 Ra7 30.Ra1 Ra1 31.Ka1 g5-+) 29...Ne4 30.Rh3 Bf7 (30...Be2 31.d4-+) 31.d3 Nd6 (31...Nf2 32.Rhg3-+) 32.e4 (32.Rhg3 Be8-+) 32...de4 33.de4 Ne4 34.Re3 Nd6 35.f5 (35.Reg3-+) 35...Nc4 36.Kc1 Ne3 37.Kd2 Nf5 38.Kd3 Rad8 (38...Ra2 39.c4 Rga8 40.Rc1 Rh2 41.Rc2 Ra3 42.Rc3 Rh3 43.Kd2 Ra2 44.Rc2 Rh2 45.Kc3 Rac2 46.Kd3 Rhd2 47.Ke4 Rc4 48.Ke5 Rd5) 39.Ke4 Rd5 (better 39...Rd2 40.h4 Re2 41.Kd3-+) 40.c4 Rd4 41.Ke5 Rgd8 42.h4 (42.Re1 Ne7 43.h3 Nc6) 42...Rh4 (42...Rc4 43.Rg7 Kg7 44.h5 Rd5) 43.b5 (43.Re1 Nd4 44.Rd1 Nf3) 43...Rh3 (43...Rc4 44.Rg7 Kg7 45.b6 Rd5) 44.b6 (44.Re1 Ne3 45.b6 Nc4 46.Kf4 Rdd3 47.Re3 Rhe3 48.bc7 Rd4) 44...Re3 45.Kf4 Rd4 0-1. black_bishop_88 (2495) - Lipsrow4 (2485), lichess.org, 2020. (=1.a3 d5 2.b4 Nf6 3.Bb2 e6 4.e3 Be7 5.Nf3 0-0)

6.g4 Ng4 7.Rg1 Nf6 8.Ne5-/+.

7.Ra2 Bd6 8.Be2 ab4 9.ab4 Ra2 10.Na2 Nbd7 11.Nd4 Re8 =.

7.Na2 ab4 8.ab4 Nbd7 9.Be2 Bd6 10.Nd4 Nb6 11.Nb5 Na4 =.

7.ba5 Ra5 8.Bd3 Nbd7 9.0-0 e5 10.Bf5 Bd6 11.Qe2 c6 =+.

7.ba5 Ra5 8.Be2 Nc6 9.d4 Ne4 (9...b6 10.0-0=+) 10.Ne4= de4 11.Nd2 f5 12.0-0 Rf6 (12...b6 13.Nb3 Ra8 14.f3=) 13.f3+= ef3 14.Bf3 Rh6 15.Nc4 (better is 15.Bc6 bc6 16.c4+=) 15...Bf6?? (better is 15...Ra6=) 16.Bc6+– Rh2 (16...Ra7 17.Bf3+–) 17.Qe1 (better is 17.Na5 Qd6 18.Bb7 Bb7 19.Nb7+–) 17...bc6 (17...Ra6 18.Bb7! Bh4+–) 18.Nd6 (better is 18.Qa5 Rh4 19.a4+–) 18...Qd6 (18...Rg2! 19.Kg2 cd6-/+) 19.Qa5= Qg3 20.Rf2 Qh4 21.Kf1 Qg4 22.Rd2?? (better is 22.Kg1 Qh5 23.g3 Rh1 24.Kg2 Qh3 25.Kf3 Qg4 26.Kg2 Qe4 27.Rf3 Ra1 28.Ba1-/+) 22...f4 23.ef4 Rh1 24.Kf2 Qf4 ½–½. Willen,Anders – Reyes,ME, corr 3GMM–40, 1996.

7.Qb1 Nbd7 8.Be2 Nb6 9.b5 Qd6 10.Nd1 Nfd7 11.d4 c6 =+.

7.b5 Qd6 8.d4 Nbd7 9.Bd3 e5 10.de5 Ne5 11.Ne5 Qe5 =.

7.b5 Nbd7 8.Be2 e5 9.0-0 Bd6 10.Re1 Qe7 11.Ra2 (11.d3 e4 12.Nd2 Rd8=+) 11...Nb6 12.Ra1 (12.d3 e4 13.Nd4 Qe5=+) 12...e4 (12...Rd8 13.d3=+) 13.Nd4 Qe5 (13...Be5 14.a4=+) 14.f4= ef3 15.Nf3 Qe7 (15...Qh5 16.Nb1=) 16.Rf1 Ne4 17.a4 Bd7 (17...Bg4 18.Ne4 de4 19.Nd4=) 18.Nd4 Rfe8 (18...Rad8 19.Ne4 de4 20.Qe1=) 19.Ne4 Qe4 20.Ba3 Ba3 21.Ra3 Re7 22.Bf3 (22.Qa1 Qg6=) 22...Qe5 23.Qe2 Rae8 24.Qd3 Rd8 (24...Be6 25.Ra2=) 25.Rf2 Be6 26.Ra1 f6 27.Qc3 Ra8 28.Raf1 Ree8 29.Qb3 Re7 30.Qd3 Bf7 31.Qa3 Ree8 32.Qb3 Bg6 33.Bg4 Rad8 34.Bf5 Bf5 35.Rf5 Qd6 36.R5f2 Ra8 37.c3 Qc5 38.Ra1 Nc4 39.Re1 Ne5 40.Qc2 Qc4 41.Ref1 Nd3 42.Rf3 Nc5 43.Ra1 Re5 44.Ra2 Rae8 45.Rf1 Rg5 46.Nf3=+ Rg6 47.Ne1 Qe2 48.Qf5 Rg5 49.Qc2 Ne4 50.Rb2?? Rg4 51.Ra2?? Ng5 52.Qf5 Nh3 53.Kh1 Rf4!! 54.Qf4 Nf4 55.Kg1 Ng6 56.b6 cb6 57.Nf3 Re3 (58.Nd4 Qc4–+) 0–1. marekt (2305) – SearcherX (2785), ICC, 2003.

7.Ra2 Bd6 8.Be2 e5 9.0-0 Qc7 10.h3 Bf5 11.b5 a6 -/+.

7.b5 a6 8.a4 Bd6 9.Be2 e5 10.0-0 Qc7 11.h3 Bf5 =+.

7.Bd3 a5 8.b5 c5 9.0-0 Nbd7 10.Be2 b6 11.Re1 Bb7 12.a4 Qc7 13.d3 Rad8 14.Rb1 e5 (14...Bd6 15.h3=+) 15.Qd2 Rfe8 16.h3 h6 (16...Bd6 17.Rbc1-/+) 17.Rbc1 (17.Rbd1 e4 18.Nh2 d4=+) 17...Bd6 18.Rcd1 Bf8 19.Rc1 e4 20.Nh4 g6 21.Red1 Ne5 22.de4 de4 23.Qe1 Bg7 24.Rd8 Rd8 25.Rd1 Rd7 26.Rd7 Qd7 27.Qf1 g5 28.f4= Ng6 29.fg5+/– hg5 30.Ng6 fg6 31.Bc4 Kh7 32.Qe1 Qf5 33.Qg3 Ne8 34.Qb8 Qd7 35.Qa7 Qc7 36.Be6 Be5 +=. kamret (2155) – Lefevre (2175), GameColony.com, 2003.

7.Bd3 Nbd7 8.0-0 e5 9.Bf5 Qc7 10.Qe2 a5 11.e4 d4 =+.

7.Qe2 b5 8.a4 ba4 9.b5 Bd6 10.e4 a3 11.Bc1 de4 =+.

7.Be2 Nbd7 8.0-0 e5 9.Na4 Qc7 10.Nh4 Bd8 11.Nc3 Nb6 =+.

7.Ra2 e5 8.Be2 a5 9.0-0 Bd6 10.b5 Re8 11.Ng5 Nb6=+.

7.Na2 Bd6 8.Be2 a5 9.0-0 e5 10.d3 Qe7 11.c4 dc4=+.

7.Rb1 a5 8.b5 e5 9.Be2 Bd6 10.0-0 Nb6 11.a4 Re8=+.

7.Bd3 a5 8.b5 e5 9.Be2 a4 10.0-0 Bd6 11.Re1 Nb6=+.

7.Be2 a5 8.b5 e5 9.0-0 Bd6 10.d3 Re8 11.Na4 Qe7 =+.

7.h4 c5 8.Ng5 (better 8.bc5!? Bc5 9.Rb1=+) 8...cb4-/+ 9.ab4 Bb4 10.Bd3 Ne5 (better 10...e5-+) 11.Bh7= Nh7 12.Nh7 Nc4 13.Nf8? (13.Qh5 Re8 14.Ng5+-) 13...Nb2-/+ 14.Qb1 Bc3 15.dc3 Nc4 16.Ne6 Be6 (16...fe6!? 17.Qd1-+) 17.Qb7-/+ a5 18.0-0 a4 19.Rfd1 a3 20.Qc6 Rc8 21.Qa6 Ra8 22.Qb7 (22.Qc6 Qc8 23.Qc8 Rc8 24.Rd4-+) 22...Qc8 23.Qb5 Rb8 24.Qa4 Nb2 25.Qa3 Nd1 26.Rd1 Qc4 27.Rd4 Rb1 28.Kh2 Qf1 29.Rf4?? (29.Kg3 Qe2 30.Qa8 Kh7 31.c4-+) 29...Qh1 30.Kg3 Rg1 (30...Rg1 31.Qa8 Kh7 32.Ra4 Qg2 33.Kf4 Qh2 34.Kf3 Qh3 35.Ke2 Bg4 36.Rg4 Qg4 37.f3 Qg2 38.Kd3 Rd1) 0-1. TwelveTeen (2160) - AstanehChess (2380), lichess.org, 2016.

7.Qa4 Na6 8.b5 Nc5 9.Qc2 Nce4 10.cd5 ed5 11.Be2 Bf5 =.

7.ba5 Ra5=+ 8.Nc3 Nbd7 9.cd5 ed5 10.d4 c6 11.Qb3 Re8 12.Be2 Bd6 13.0-0 Qe7 14.Rfc1 Ra8 15.Bf1 Ne4=+ 16.a4 Nf2-/+ 17.Nd5 Nh3 18.gh3 cd5 ½–½. Teigum,Amund – Hanevik,Severin, NM, Kadett A, 2001.

7.ba5 Ra5 8.d4 Nc6 9.Nbd2 dc4 10.Nc4 Ra7 11.Qc2 Qd5 =.

7.Qb3 dc4 8.Bc4 ab4 9.ab4 Ra1 10.Ba1 Nc6 11.Bc3 Nd5 =.

7.b5 b6 8.d4 c5 9.Nbd2 Bb7 10.Ne5 cd4 11.ed4 Nbd7 12.Nc6 Bc6 13.bc6 Nb8 14.cd5 Qd5 15.Rc1 Nc6 16.Nc4 Rab8 17.Ne3 Qd6 18.Nc4 Qd7 (18...Qf4 19.Qd2 Qe4 20.Ne3-/+) 19.Ne5 Ne5 20.de5 Qd1 21.Rd1 Nd5 22.Be2 (22.Bb5 Rfc8-/+) 22...Rfc8 (22...b5 23.Bd3-+) 23.Bf3 Rc2 24.Rd2 Rbc8 25.Kd1 Rd2 (25...R2c5 26.Bd5 ed5 27.h4-/+) 26.Kd2-/+ Nf4 27.Be4 Bc5 28.g3 (28.Rc1 Rd8 29.Ke1 h6-/+) 28...Rd8 29.Kc2 Nh3 30.f4 Nf2 31.Re1 Ne4 32.Re4 Kf8 33.Rc4 Ke7 34.a4 g6 35.Bc1 h5 36.h3 Rd5 37.g4 hg4 38.hg4 Rd8 (38...Kd7 39.Re4-/+) 39.Kc3 (39.Bd2 Bd4=+) 39...Rh8 40.Re4 Rh3 41.Kc4 Rh1 42.Bd2 Rd1 (better 42...Rg1!?-/+) 43.Kc3?? (better 43.Ba5 Rg1 44.g5=) 43…Ra1 0-1. jhonores (2245) - EVGENY79 (2280), Rated Blitz game, lichess.org, 2020.

7.b5 dc4 8.Bc4 b6 9.d4 Bb7 10.0-0 c6 (10...Nbd7 11.Nbd2+=) 11.Nc3 (11.bc6 Nc6 12.Nc3 Ba6 13.Ba6 Ra6+/-) 11...cb5 (11...c5 12.dc5 Bc5 13.Na4+=) 12.Bb5 Nc6 (12...Nbd7 13.Qe2+=) 13.Rc1+/- h6 14.Na4 (14.Qb3 Bd6+/-) 14...Rc8 15.Qd3 (15.Qb3 Na7 16.Bd3 b5=) 15...Nd5 (15...Bd6 16.Ne5 Na7 17.Ba6 Be5 18.de5 (worse 18.Bb7 Bh2 19.Kh2 Rc1 20.Bc1 Qc7 21.Kg1 Qb7=+) 18...Qd3 19.Bd3+/-) 16.g3 (16.Qb3 Bd6+/-) 16...Nb8 (16...Na7 17.Ne5 Nb5 18.Qb5+=) 17.e4 (17.Rc8 Bc8 18.e4 Nf6+/-) 17...Nf6 (17...Rc1 18.Rc1 (worse 18.Bc1 Nc7=+) 18...Nc7 19.Ne5+=) 18.Nd2 (18.Rc8 Qc8 19.Rc1 Qd8+/-) 18...Rc1 (18...Nc6 19.f3+/-) 19.Rc1 (worse 19.Bc1 Ne8=) 19...Qd6? (19...Ne8 20.e5+/-) 20.f4 (better 20.d5+-) 20...Qd8+/- 21.Qe3 Ng4 22.Qe2 Nf6 23.h3 Re8 (23...Ne8 24.g4+/-) 24.g4 (better 24.Be8!? Ne8 25.Qe3+-) 24...Rf8+/- 25.h4 White plans g5 (25.Qf3 Ba6 26.Ba6 Na6=) 25...Nfd7 (25...Ne8!? 26.g5 hg5 27.hg5 e5+/-) 26.g5+/- Nf6? (better 26...hg5 27.hg5 Bg5 28.fg5 Qg5 29.Kf1 Qh6+/-) 27.gf6+- Bf6 28.e5 (better 28.Nf3!? Bh4 29.Nh4 Qh4+-) 28...Bh4 29.Nf3 (29.Kh2 f6 30.Bc4 fe5 31.Be6 Kh8+-) 29...Be7 30.d5! Qd5 (30...Bd5 31.Rd1 Combination; 30...Qd5 31.Nb6 Deflection; 30...ed5 31.Bd4 Combination) 31.Bc4?? (better 31.Kg2+/-) 31...Qf3-+ 32.Qf3 Bf3 33.Nb6?? (33.Bb5 Rd8 34.Nb6 Bb7-+) 33...Nc6 (better 33...Bc5 34.Kh2 Bb6-+) 34.Kf2 Be4 (34...Rb8 35.Kf3 Rb6 36.Bd3-+) 35.Na4 (35.Ke3 Bg2 36.Na4 Na7-+) 35...Bf5 (35...Rb8 36.Ke3 Bf5 37.Ba2-+) 36.Bb5 (36.Ba6 Bh4 37.Kf3 Ne7-+) 36...Na7 37.Be2 Nc8?? (37...Rc8 38.Rc8 Nc8 39.Kg3-+) 38.Bd4? (38.Kg3 Rd8 39.Ba6-/+) 38...Rd8 (better 38...Ba3 39.Rc4 Ne7-+) 39.Ke3? (39.Rc4 Ba3 40.Bc3 Ne7-+) 39...Bf8 (39...Ba3 40.Rc7 Ne7 41.Nb6-+) 40.Bf3? (40.Bc5 Ne7-+) 40...Ne7 (40...Ba3 41.Rc7-+) 41.Nb6 (41.Bc5-+) 41...Nd5 (better 41...Bg6 42.Bc5 Nf5 43.Kf2 Rd2 44.Ke1 Bc5 45.Rc5 Rd4 46.Ra5 Rf4-+) 42.Nd5-/+ ed5 (worse 42...Rd5 43.Bd5 ed5 44.Bc5+/-) 43.Bc5? (better 43.a4!?-/+) 43...Rc8-+ 44.Bf8?? (44.Kd4 Be4! 45.Bd1-+) 44...Rc1 (44...Kf8?! 45.Rc8 Bc8 46.Bd5-+; 44...Rf8?! 45.Rc5=+ (worse 45.Bd5 Rc8 46.Rc8 Bc8-/+)) 45.Bd6 Rc6 (better 45...Rc3 46.Kf2 d4-+) 46.Kd4 (46.Bd5 Rc3 47.Kd4 Rd3 48.Kc4-+) 46...Rc4 47.Kd5 (47.Ke3 d4 48.Kf2 Rc2 49.Ke1 d3-+) 47...Rf4 (47...Be6) 48.e6 (48.Be2-+) 48...Be6 49.Ke5 Rf3 50.Bc5 a4 51.Ke4 Rb3 (better 51...Rc3 52.Be7-+) 52.Kd4 g5 53.Ke5 Kg7 54.Be7 Kg6 55.Bf6 h5 (55...h5 56.Bd8 Rd3 57.Be7 h4 58.Bf6 h3 59.Be7 h2 60.Bc5 h1Q 61.Bd4 Qd5) 0-1. Wieczoorxd (2475) - toar4 (2360), Rated Bullet game, lichess.org, 2015.

7.b5 h6 8.d4 b6 9.Nbd2 Bb7 10.Qc2 Nbd7 11.Bd3 Re8 (11...dc4 12.Bc4 c6 13.0-0=) 12.0-0 Rc8 13.Ne5 Bd6 14.f4 Qe7 15.Ndf3 Be5 16.fe5 Ne4 17.cd5 (17.a4!?+/–) 17...ed5= 18.Be4 de4 19.Nd2 c5 20.Qd1 (20.bc6 Bc6 21.Rac1 Bb7+=) 20...c4 (20...Bd5 21.Rc1+=) 21.Bc3 f5?? (better is 21...f6+=) 22.Rf5+/– Bd5 (22...Rf8 23.Qg4 Rf5 24.Qf5+/–) 23.Qe2 (23.Qc2 Qe6 24.Raf1 Rf8 25.Ne4 Rf5 26.Rf5 Qf5 27.Nf6 Qf6 28.ef6 Nf6+–) 23...Rf8 24.Rf8 Qf8? (better is 24...Nf8!? 25.Qg4 Qe6+/–) 25.Qg4+– Qe7 (25...Qf7 26.Rf1 Qe8 27.Ne4+–) 26.Ne4 h5 27.Qg5 Qf8 (27...Re8 28.Qe7 Re7+–) 28.Nd6 1–0. Sturc,Gustav (2080) – Danko,Dusan (1890), Piestany op, 2009.

7.Nc3 ab4 8.ab4 Ra1 9.Ba1 (9.Qa1 Bb4 10.Bd3 Na6 11.0-0 Nc5 12.Qb1 b6 13.cd5) 9...Bb4 10.Be2 Nc6 11.0-0 Re8 12.d4 Na5 13.c5 Nc6 14.Qb3 Bc3 15.Bc3 Ne4 16.Bb2 f6 (16...e5 17.de5 Nc5 18.Qc2+=) 17.Ra1 e5 18.de5 fe5 19.Rd1 Be6 (better is 19...Nc5 20.Qd5 Qd5 21.Rd5 Nd7=) 20.Qb7+/– Qd7? (better is 20...Na5 21.Qb4 Nc6+/–) 21.Bb5+– (21.Bb5 Nc5 22.Qc6+– (22.Bc6?! Nb7 23.Bd7 Bd7+/–); 21.Ne5?! Ne5 22.Be5 Nc5 23.Qc7 Qc7 24.Bc7 Ra8+/–) 1–0. Fournier,Frederic (2550) – Silveur (1940), Echecsemail.com (Team), 2013.

7.c5 ab4 8.ab4 Ra1 9.Ba1 b6 10.d4 c6 (10...Nc6!? 11.Bc3 bc5 12.bc5 Ne4+=) 11.Bd3 Ba6 12.0-0 Qc7 13.Ba6 Na6 14.Bc3 Qb7 15.Qc2 Ra8 16.Nbd2 Nb8 17.Ne1 Nbd7 18.Nd3 Ne4 19.Ne4 de4 20.Nb2 Nf6 21.cb6 1–0. aspasio – rgpisback (2815), net–chess.com, 2015.

7.c5 ab4 8.ab4 Ra1 9.Ba1 Nbd7 10.Be2 Qe8 11.0-0 Ng4 +=.

7.cd5 ab4 8.de6 Be6 9.ab4 Ra1 10.Ba1 Bb4 11.Bc3 Be7 12.Be2 c6 13.0-0 Nbd7 14.Qc1 Nd5 15.Qb2 Nc3 16.Nc3 Qc7 17.d4 Nb6 (17...Ra8 18.Bd3=) 18.Rb1+= Bd8 19.Ne4 Bf5 20.Nfd2 Qe7 21.f3 (21.Bd3 Bc7+=) 21...Bg6 22.Bd3 (22.Qb4!? Qh4 23.Bd3=) 22...f5=+ 23.Nf2 (23.Nc5 Qe3 24.Kh1 Kh8=) 23...Qe3-/+ 24.Nc4 Nc4 25.Bc4 Kh8 26.Qb7 Qd4 27.Qc6 Bf6 28.h3 (28.Qd5 Qe3=+) 28...Bh4-/+ 29.Rf1 Re8 30.Bb5?? (better 30.Qd5 Qe3 31.Bb5-/+) 30...Rf8 (better 30...Bf2 31.Rf2 Re1 32.Kh2 Be8-+) 31.Qd7 (31.Bc4 f4-/+) 31...Qd7 32.Bd7 Rd8 33.Bb5 Rd2 34.Nd3 h6 (34...Bg3 35.Rc1 h5 36.Nc5-/+) 35.Ne5 Kh7 36.Ng6 Kg6 37.Be8 Kg5 (37...Kf6 38.g4-/+) 38.Bb5 (38.f4!? Kf6 39.Rf3=+) 38...Kf4-/+ 39.Kh1 (39.Bc6 g6-/+) 39...Kg3 40.Rg1 Bg5 41.Bc6?? (better 41.Bc4-+) 41...Be3 42.Rb1 (42.Ba4-+) 42...f4 (42...Rg2 43.f4 Rh2) 43.Be4 (43.Bd7 Rg2 44.Bc6 Rh2) 43...g5 (43...Rg2 44.Rb8 Rh2) 44.h4 (44.Ba8 Rg2 45.Be4 Rh2) 44...gh4 (44...Rg2 45.hg5 Rh2) 45.Re1 (45.Bb7 Rg2 46.Be4 Rh2) 45...h3 46.gh3 (46.Rg1 Rg2 47.Rg2 hg2) 46...Kh3 (46...Rh2) 47.Rg1 (47.Bf5 Kg3 48.Rg1 Bg1 49.Bd3 Be3 50.Be2 h5 51.Bd3 Rh2) 47…Rh2 0-1. el_loro_Nestor (2370) - almasssss (2280), Rated Bullet game, lichess.org, 2021.

7.cd5 Nd5 8.b5 Bf6 (8...c6 9.Nc3=) 9.d4 c6 10.Be2 (10.Qc2 Bd7=) 10...cb5 11.Bb5 Qb6 12.a4 Bd7 13.Na3 Bb5 14.Nb5 Nc6 15.0-0 Ncb4 16.Ba3 Rac8 17.Rc1 h5 (17...Rc1 18.Qc1 Be7 19.e4+=) 18.Nd2 (18.e4 Nc7 19.Rc5 Be7 20.Bb4 ab4 21.Rh5 g6+/-) 18...Rfd8 (18...Rc1 19.Bc1 h4 20.e4+=) 19.Ne4 (19.Qh5 Qa6+-) 19...Be7 (19...Rc1 20.Nf6 Nf6 21.Qc1+=) 20.Nec3 (better 20.Qh5!? g6 21.Qf3+-) 20...Nc3+= 21.Rc3 Rc3 22.Nc3 Rc8 23.Qb3 (23.Nb5 h4+=) 23...h4 24.Nb5 h3 (24...Qc6 25.Qd1 Qe4 26.Bb4 Bb4 27.Qh5=) 25.gh3 e5 26.Bb4 Qg6 27.Kh1 ab4 28.de5 Qe4 29.f3 Qe5 30.Qd3 Rd8 31.Qb3?? (better 31.Nd4=) 31...Rd2 32.f4 (32.Qf7 Kf7 33.Nd6 Bd6 34.f4 Qe4 35.Rf3 Qf3 36.Kg1 Qd1) 32…Qe4 (32...Qe4 33.Rf3 Qf3 34.Kg1 Qg2) 0-1. carlos78 (2185) - darksquaregames (2240), Rated Blitz game, lichess.org, 2015.

7.Be2 ab4-/+ 8.ab4 Ra1 9.Ba1 Bb4 10.Qb3 Bc5 (10...Be7 11.0-0-/+) 11.cd5 Nd5 12.d4 Bb4 13.Nbd2 c6 14.0-0 Qa5 15.Nc4 Qc7 16.Nfe5 Bd6 (16...b5 17.Nb2=+) 17.e4 Nf6 18.Nd6 Qd6 19.Bd3 Nbd7 20.Nd7 Qd7 21.e5 Nd5 22.Qc2 g6 23.Qe2 Qe7 24.f4 (24.Bb2 Nf4 25.Qf3 Qb4=) 24...c5 (24...f6 25.Bb2=+) 25.Kh1 cd4 26.Bd4 Bd7 27.Qf2 Bc6 (better 27...Ra8!?=) 28.Bc5+/- Qd7 29.Bf8 Kf8 30.Qc5 Kg7 31.Be4 Ne7 32.Bc6 Nc6 33.Rb1 Qd2 34.Rf1 (worse 34.Rb7 Qf4 35.Kg1 Qe4=+) 34...Nd4 (34...Qd7 35.Qd6 Qd6 36.ed6 Kf8+-) 35.h3 (35.Qe7 Nc2 36.Qd6 Qe2+/-) 35...Ne2 36.Qf2 Qd3 37.Kh2 Nd4 38.Qg3?? (better 38.Ra1+/-) 38...Nf5 (better 38...Qf1 39.Qg5 Nc6-+) 39.Qd3+- b6 40.Qb1 (40.g4 h5 41.gf5 Kh6 42.Qd8 Kg7 43.f6 Kh7 44.Qf8 b5 45.Qg7) 40...b5 41.g4 Ne3 42.f5 (42.Rf3 Ng4 43.hg4 b4 44.Qb4 h6 45.Qe7 h5 46.Qf6 Kg8 47.gh5 Kf8 48.Rd3 Kg8 49.Rd8 Kh7 50.Qh8) 42...Nf1 43.Qf1 gf5 44.gf5 ef5 45.Qg1 Kf8 46.Qc5 Kg7 47.Qb5 f4 48.Kg2 Kg6 49.Kf3 Kf5 50.Qb2 Ke6 51.Qc2 (51.Kf4!? Kd5+-) 51...f6 52.Qe4 fe5 53.Qh7 Kd6 54.Ke4 Kc5 55.Qf5 Kc4 56.Qe5 f3 (56...Kb4 57.Qd4 Kb3 58.Kd3 Ka2 59.Qb6 Ka3 60.Kc3 f3 61.Qb3) 57.Qf4 (57.Qd4 Kb3 58.Kd3 Ka2 59.Qb6 Ka3 60.Kc3 f2 61.Qb3) 57...f2+- 58.Kf5 Kd3 59.Qf2 Kc4 60.Qf4 Kd5 61.h4 Kc6 62.h5 Kb5 (62...Kc5 63.h6 Kd5 64.h7 Kc6 65.Qc4 Kb7 66.Qc5 Ka6 67.h8Q Kb7 68.Qhc8) 63.h6 Kc6 (63...Kc5 64.h7 Kb5 65.h8Q Kc6 66.Qc3 Kd7 67.Qfc7 Ke8 68.Qh8) 64.h7 Kb5 65.h8Q Kc6 66.Qfe5 Kb7 67.Qhf6 (67.Qhb8 Kc6 68.Qbc7) 67...Kc8 68.Qee7 Kb8 69.Qff7 (69.Qff8) 69...Kc8 70.Qff8 (70.Qfe8) 1-0. Samed007 (2275) - almasssss (2260), Rated Bullet game, lichess.org, 2021. (=1.c4 e6 2.e3 d5 3.a3 Nf6 4.Nf3 Be7 5.b4 0-0 6.Bb2)

8.bc6 Nc6 9.d4 dc4 10.Bc4 b6 11.Qe2 Bb7 12.0-0 a4 (12...Rc8 13.Rc1=) 13.Nbd2 Na5 14.Bd3 Rc8 15.e4 Re8 (15...Qc7 16.Ne5+=) 16.Ne5 (16.Rac1 Rc1 17.Rc1 Qa8+/-) 16...Nb3 (16...Nc6 17.Ndf3+=) 17.Nb3 ab3 18.Bb5?? (18.Qe3!?+=) 18...Rf8 (better 18...Rc2 19.Qe3 Rb2 20.Be8 Qe8-+) 19.f3?? (better 19.Bd3=) 19...Nh5?? (better 19...Rc2 20.Qd3 Rb2-+) 20.Qe3+/- Rc2 (20...Bd6 21.a4+/-) 21.Qb3+- Qc7? (21...Rc7 22.Rfd1+-) 22.Rac1 (22.Bd3 Rd2 23.Qc3 Qc3 24.Bc3 Rd3 25.Nd3 Rc8+-) 22...Rc8 (22...Rc1 23.Rc1 Qd6 24.Bc6+-) 23.Rc2 (23.Ba4 Rc1 24.Rc1 Qd8 25.Rc8 Bc8+-) 23...Qc2 24.Qc2 Rc2 25.Rf2 Rc7 26.g3 f5 (26...Nf6 27.a4+-) 27.Bc4 fe4 (27...Rc4 28.Nc4 fe4 29.fe4+-) 28.Be6 Kf8 29.fe4 Bf6 (29...Nf6 30.Nd7 Ke8 31.Nf6 gf6 32.Bf5+-) 30.Nd7 (better 30.Bg4 Be4 31.Bh5+-) 30...Ke7 31.Nf6 gf6 (31...Nf6 32.d5 Ne4 33.Rf7 Kd8+-) 32.d5 Bc8 33.g4 (better 33.Bc8 Rc8 34.Kf1 b5+-) 33...Be6 34.gh5 Bg4 35.Bf6 Kd7 36.e5 Rc3 (36...Rc5 37.Rd2 Bh5+-) 37.e6 (37.e6 Kd6 38.Bc3 Kd5 39.e7+-) 1-0. jhonores (2205) - txt7 (2225), Rated Blitz game, lichess.org, 2020.

8.Be2 b6 9.0-0 Bb7 10.cd5 Nd5 11.d4 Nd7 12.Nbd2 Rc8 13.Nc4 cd4 14.Bd4 Bc5 15.Bb2 Qe7 16.Rc1 Rfd8 17.Qc2 N5f6 18.Rfd1 Bd5 19.Nfd2 e5 20.Qf5 Be6 21.Qb1 Bd5 22.Qa1 e4 23.Nb3 Qe6 24.a4 h6 25.h3 Rc7 26.Bf6 Nf6 27.Nca5 Rdc8 28.Nc4 Be3 29.Ne3 Bb3 30.Rc7 Rc7 31.Rd8 Kh7 32.Qd4 Ra7 33.Bc4 Bc4 34.Rd6 Qc8 35.Rc6 Qd7 36.Qc4 Qd8 37.g3 Qd3 (37...h5 38.g4 hg4 39.hg4+=) 38.g4 (better is 38.Rb6!? Qc4 39.Nc4 Ra4 40.Rc6+=) 38...Rd7 39.Rc7 Qb1 (39...Qd2 40.Rd7 Qd7 41.Qc6+=) 40.Kg2+= Qd3 41.Rd7 Qc4 42.Nc4 Nd7 43.a5 ba5 44.Na5 Nb6 45.Kg3 g5 46.Nb7 1–0. Fagerbekk,Egil (2175) – Maccapan,Fabio (2165), WS/M/329 ICCF, 2011.

8.Be2 b6 9.d4 Bb7 10.Nbd2 Nbd7 11.Qc2 Rc8 12.Ne5 cd4 13.Bd4 Ne5 14.Be5 dc4 15.Rd1 Ba3 16.0-0 Qd5 17.Nf3 (better is 17.Bf3!? Qe5 18.Bb7–+) 17...Qb5 18.Bf6 gf6 19.Rd4 Bd5?? (19...Qb3 20.Rg4 Kh8 21.Qd2–+) 20.e4?? (better is 20.Rg4 Kh8 21.Rh4=) 20...Bb7 (20...Qb2 21.Qb2 Bb2 22.ed5 Bd4 23.Nd4 ed5 24.Rb1–+) 21.Rc4 Rc4 22.Qc4? (22.Bc4 Rc8 23.Nd2–+) 22...Qc4 23.Bc4 Be4 24.Nd2 Bc6 25.Rb1 Bb4 26.Nb3 Rd8 27.Kf1 Be4 28.Rc1 (28.Ra1 a4 29.f3 Bc6–+) 28...a4 29.Na1 (29.Kg1 Bg6–+) 29...Rc8 30.f3 Bd3! (30...Bd3 31.Kf2 Bc4–+) 0–1. Rush,Bradley – Laureles,Raymundo, SE–2011–0-00069, 2011.

8.Be2 Nbd7 9.0-0 b6 10.d4 Bb7 11.Nc3 (11.cd5 Nd5 12.Nbd2 Rc8=) 11...Rc8 (11...dc4 12.Bc4 cd4 13.Nd4+=) 12.dc5 (12.cd5 ed5 13.dc5 Nc5=) 12...Nc5 13.cd5 Nd5 14.Nd5 Bd5 15.Nd4 Bf6 16.Bf3 Bc4 17.Be2 Be2 (17...Bb3 18.Nb3 Bb2 19.Ra2 Qd1 20.Rd1+=) 18.Qe2= Bd4 19.Bd4 f6 (19...Qe7 20.f4=) 20.Rfd1 (20.Rac1 Qd6+=) 20...Qe7 21.Rac1 e5 22.Bc5 Rc5 23.a4 Rfc8 24.Rc5 Qc5 25.h3 Qa3 (25...Qe7 26.Qd3=) 26.Qg4 Rc1 27.Qe6 Kf8 28.Rc1 Qc1 29.Kh2 Qc5 30.Qf5 Qc4 31.Qd7 Qc5 (31...Qa4 32.Qd8 Kf7 33.Qb6+–) 32.Qb7 Qd6 33.Qe4 h6 34.Qc4 Qd8 35.Qe6 Qc7 36.Kg3 Qc5 37.Kg4 Qc7 38.Qd5 g6 39.h4 h5 40.Kh3 Kg7 (40...Ke7 41.Qa8=) 41.Qe6 Qd8 42.f3 Qc7 43.Qc6 Qd8 44.Qb7 Kf8 45.Qh7 Qd1 46.Qg6 Qh1 47.Kg3 Qe1 48.Kh3 Qh1 ½–½. Gharagyozian,Artur (2275) – Ghukasyan,Siranush (2015), Poti GEO, 9th Nana Aleksandria Cup, 2014. (=1.a3 d5 2.b4 Nf6 3.Bb2 e6 4.Nf3 Be7 5.e3 0-0 6.c4 a5)

8.Be2 Nbd7 9.0-0 Nb6 10.cd5 Nbd5 (10...ed5 11.Qc2=) 11.Nc3 Bd7 12.Na4 Rc8 13.Qc2 (13.Ne5 Bd6+=) 13...c4= 14.Nd4 (worse 14.Bc4 Bb5 15.d3 Bc4 16.dc4 b5-/+) 14...e5 15.Nf5 Bb5 (15...g6 16.Ne7 Qe7 17.Nc3=+ (worse 17.Bc4 Bb5 18.d3 Bc4 19.dc4 b5-/+)) 16.Ne7 (16.Be5 Bc6 17.Nc3= (worse 17.Bc4 Ba4 18.Qa4 Nb6 19.Bf7 Rf7 20.Qa5 Ne4 21.Ne7 Qe7-/+)) 16...Qe7=+ 17.Nc3 Nc3 18.Qc3 Rfe8 (18...Nd5!? 19.Qc2 a4-/+) 19.Qa5= Ba6 20.a4 c3 21.Ba3 Qc7 22.Qc7 Rc7 23.Ba6 ba6 24.dc3 Rc3 25.Bb2 Rc2 26.Rab1 h6 27.Rfc1 Rd2 28.Bc3 Ra2 29.Rb4 (better 29.Ra1!? Ra1 30.Ba1=) 29...Nd5=+ 30.Rc4 Nb6 Attacking the isolated pawn on a4 31.Rc6 Na4 32.Be1 Nb2 33.R1c2 Ra1 34.Rc1 Rc1 35.Rc1 Nd3 36.Ra1 Ne1 37.Re1 g6 38.Ra1 Ra8 39.Ra5 f6 40.Kf1 Kf7 41.Ke2 Ke6 42.f4 ef4 43.ef4 Kd6 44.Kd3 Kc6 45.Kd4 Kb6 46.Ra1 a5 47.Kd5 Re8 48.Rb1 Ka6 49.Kc6 Re2 (49...Rc8 50.Kd5 a4-+) 50.Rb8? (better 50.Rb6 Ka7 51.Rb7 Ka8 52.Rb5=+) 50...Rc2-+ 51.Kd5 Rg2 52.Ke6 (52.Rf8 f5 53.h4 h5-+) 52...f5 (52...Rh2 53.Kf6 Rf2 54.Kg6 Rf4 55.Ra8 Kb5 56.Rb8 Kc4 57.Ra8-+) 53.h4 Rg4 (better 53...h5 54.Kd5 a4-+) 54.h5-/+ gh5 55.Kf5 Rg1 (55...a4!?-/+) 56.Rh8=+ a4 57.Rh6 Kb5 58.Rh5 a3 59.Ke6 Kb4 60.Rh8?? (60.Rh2 Re1 61.Kd6 Rf1=) 60...Rg6?? (better 60...a2 61.Ra8 Re1 62.Kd6 Rd1 63.Ke7 a1Q 64.Ra1 Ra1=) 61.Ke5= Ra6 62.f5 a2 63.Rh1 a1Q 64.Ra1 Ra1 65.f6 Rf1 66.Ke6 Kc5 67.f7 Kc6 68.Ke7 Kc7 69.f8R Rf8 70.Kf8 ½-½. carlos78 (2235) - archibalde (2175), Rated Blitz game, lichess.org, 2015.

8.Qc2 cb5 9.cb5 Nbd7 10.Be2 b6 11.Nd4 Bb7 12.Nc6 Qe8 13.Ne7 Qe7 14.0-0 Rac8 15.Nc3 Nc5 16.a4 Nce4 17.Ba3 Nd6 18.Qb2 Qd7 19.d3 Rfd8 20.Rac1 Nf5 Black plans d4 21.Rc2 (better 21.d4!?=) 21...d4-/+ 22.ed4 Qd4 23.Rd2?? (23.Rfc1 Qh4 24.g3 Qd4-/+) 23...Nd5 (better 23...Rc3 24.Qa1 Nh4-+) 24.Nd5-/+ Qd5 (worse 24...ed5 25.g4 Qb2 26.Bb2+/- (worse 26.Rb2 Rc3-/+)) 25.Bf3 Qd7 26.Be4?? (better 26.Bb7 Qb7 27.Rc1-/+) 26...Be4-+ 27.de4 Qd2 28.ef5 Qb2 29.Bb2 ef5 30.Be5 (30.Bc1 Rc4 31.Be3 Rb8-+) 30...f6 31.Bf4 Rd4 32.Be3 Ra4 33.Bb6 Rb8 34.Be3 Rb5 35.g3 (35.Rc1 f4 36.Bd2 Rd4-+) 35...Rc4 (better 35...Rab4!? 36.Kg2 Rb1 37.Bc1-+) 36.Rd1 a4 37.Rd8 Kf7 38.Ra8 Rb3 39.Kg2 (39.Bf4 g5 40.Bd6 Rb2 41.Ra7 Ke6-+) 39...a3 40.h4 (40.Kf3 Rc2 41.g4 fg4 42.Kg4 Rb4 43.Kf3 a2-+) 40...Rc2 41.Ra7 Kg6 42.h5 (42.Bb6 Rb6 43.Ra3 Rb4-+) 42...Kh5 43.Rg7 (43.Bb6 Rb6 44.Ra3-+) 43...Re3 44.Rh7 Kg6 45.Ra7 Rb3 (better 45...a2 46.Ra6-+) 46.Ra8 a2 47.Rg8 Kf7 48.Ra8 Rb1 49.Ra7 Kg6 50.Ra2 (50.g4 fg4 51.Kg3 Rc3 52.Kh2 g3 53.fg3 Rc2 54.Kh3 Kg5 55.Ra5 f5 56.Rf5 Kf5 57.g4 Kf4 58.g5 Rh1) 50...Ra2 51.Kh3 (51.Kf3 Rb3 52.Kg2 Rbb2 53.Kf3 Rf2 54.Ke3 Rad2 55.g4 fg4 56.Ke4 Kg5 57.Ke3 Rfe2) 51...Rbb2 (51...Rf2 52.g4 Rb3 53.Kh4 Rh2) 52.f4 (52.g4 Rf2 53.gf5 Kf5 54.Kg3 Rh2 55.Kf3 Ra3) 52…Rh2 0-1. icehot1 (2505) - IMike25 (2105), Rated Bullet game, lichess.org, 2015.

8.Nc3 Ne4 9.Qc2 Nc3 10.Bc3 cb5 11.cd5 Qd5 12.Qb2 f6 13.Bb5 Bd7 14.Be2 Na6 15.0-0 Nc5 16.Rfb1 Bc6 17.Bd4 Rfc8 18.Bc5 Bc5 19.Bb5 Ba7 20.Bc6 Rc6 21.Qa2 Qd7 22.g3 (22.Rc1 Rac8 23.Rc6 Qc6=) 22...Rac8+= 23.a4 Rc4 24.Kg2 R8c5 25.d4 Rc7 (25...Rc8 26.Qb2 Rb4 27.Qd2=) 26.Rb5 (26.Rb7 Rb7 27.Qc4 Rb4+/–) 26...Qc6 (26...Rc2 27.Qb3 b6 28.d5=) 27.h4 (27.Ra5!? Qb6 28.Rb5+/–) 27...Qe4 (27...b6 28.Rab1=) 28.Re1 (28.Qb1 Qb1 29.Rab1 b6=) 28...h6 (28...b6 29.Qb3=) 29.h5 Kh7 (better is 29...b6!?=) 30.Ra5+/– Rc2 (30...b6 31.Rb5+/–) 31.Qb1 Bb8? (31...b6 32.Rb5+/–) 32.Re2! f5 (32...Re2 33.Qe4 Double attack (33.Qe4 Pinning; 33.Qe4 Deflection)) 33.Re5 Qd3 34.Rc2 Rc2 35.Qb5 Qd1? (35...Qa3 36.Re6 Rf2 37.Kf2 Qa2 38.Nd2 Qd2 39.Qe2 Qc3+–) 36.Re6 Rf2 37.Kf2 Qc2 38.Kf1 Bg3 39.Qe2 (better is 39.Nd2! f4 40.ef4 Bh2+–) 39...Qa4 40.Rg6 f4 (40...Bc7+–) 41.e4 1–0. Kozul,Zdenko (2575) – Ziatdinov,Raset (2410), Groningen op, 1994. (=1.Nf3 d5 2.c4 e6 3.e3 Nf6 4.a3 Be7 5.b4 0-0 6.Bb2 a5 7.b5 c6)

8.Nc3 Ne4 9.Qc2 Nd6 10.c5 Nc4 11.bc6 bc6 12.Bc4 dc4 13.Ne5 Ba6 14.Na4 Ra7 15.Rc1 c3 16.Bc3 Qd5 17.e4 Qd8 18.d3 Bb5 19.0-0 f6 20.Nc4 Exerts pressure on the isolated pawn 20...Nd7 21.Ncb2 Kh8 22.Rfd1 f5 (22...Nc5? 23.Nc5 Bc5 24.a4+–) 23.Re1 f4 24.f3 Bh4 25.Red1 Qg5 26.d4 Bg3 (26...Rb8 27.Qd2+/–) 27.Nb6 Qh4 28.h3 (28.hg3?! fg3 29.Nd3 Qh2 30.Kf1 Qh1 31.Ke2 Qg2 32.Ke1 Qh1 33.Kd2 Qg2 34.Ke1 Qg1 35.Kd2 Qg2 36.Ke1=) 28...a4 29.N6c4 Rb8 30.Nd6 Qh5 31.Rb1 Kg8 32.Qd2 Qg6 33.Rdc1 Nf6 34.Nbc4 Nd7 35.d5 (35.Nb5 Rb5 36.Rb5 cb5+–) 35...Qg5 36.Nb5 cb5 37.Na5 (37.Na5 Nc5 38.Nc6+–) 1–0. Bonehill (2270) – Seris_Granier,Manuel Angel, OP–2008–0-00443, 2008. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.e3 Be7 5.c4 0-0 6.Bb2 a5 7.b5 c6)

8.Nc3 Ne8 9.d4 f5 10.c5 Nf6 11.Na4 Nbd7 12.Bd3 Ne4 13.Qc2 Kh8 14.h3 Qe8 15.Rb1 Bf6 16.0-0 g5 17.Nd2 Qh5 18.Ne4 fe4 19.Be2 Qg6 (19...Qe8 20.bc6 bc6 21.Nb6+/-) 20.f3 ef3 21.Bd3 (21.Qg6!? hg6 22.Rf3+/-) 21...Qh5 22.Rf3 Bg7 (22...cb5 23.Bb5 g4 24.hg4 Qg4 25.Rbf1+/-) 23.Rf8 Nf8 24.Nb6 Rb8 25.Rf1 e5 26.Nc8 Rc8 27.de5 Ne6 28.Bf5 Re8 (28...Qe8 29.e4+-) 29.bc6 bc6 30.Qa4 Nc5? (30...Nd8+-) 31.Qc6 (31.Qa5?! Qe2 32.Qc5 Qb2+-) 31...Ne4 (31...Qf7 32.Qc5 Qe7 33.Qd5 Be5 34.Be5 Qe5 35.e4+-) 32.g4 Qf7 33.Bd7 (33.Bd7 Qe7 34.Be8+-) 1-0. Pereira – Mossiey, internet, 2021.

8.bc6 bc6 9.d4 Nbd7 10.Qc2 Ba6 11.Nbd2 Rb8 (11...Qc7 12.cd5 Bf1 13.Kf1 ed5 14.Rb1=) 12.Bd3 (12.Bc3 Ra8=) 12...Nb6 (12...h6 13.Rb1=) 13.Ne5 White threatens to win material: Ne5xc6 13...Qc8 14.0-0 h6 (14...Nfd7 15.Nd7 Qd7 16.Bh7 Kh8 17.Bd3 Bc4 18.Nc4 Nc4 19.Qe2+=) 15.Bc3 a4 (15...dc4 16.Nec4 c5 17.Na5 cd4 18.ed4=) 16.c5 This push gains space (16.Rfb1+=) 16...Bd3? (better is 16...Nbd7!? deserves consideration 17.Qa4 Bb5 18.Bb5 cb5=) 17.Nd3+/– (17.Qd3?! Nbd7 18.f4 Ne5 19.fe5 Nh7+=) 17...Nc4 (17...Nbd7!?+/–) 18.Nc4 dc4 19.Ne5 Rb3 20.Nc4 Nd5 21.Bd2 Qa6 22.e4 (better is 22.Rfb1 Rfb8 23.Rb2+/–) 22...Nc3+= 23.Bc3 Qc4 24.Rfc1 Bg5 Black threatens to win material: Bg5xc1 25.Bd2 Qd4 26.Bg5 hg5 27.Qc4 White threatens to win material: Qc4xd4 (27.Rd1!? Qc3 28.Rdc1+=) 27...Rd8-/+ 28.h3 Rb2 29.Qd4 Rd4 30.f3? (better is 30.Rcb1 and White is still in the game 30...Rb1 31.Rb1 Re4 32.f3+=) 30...Rdd2–+ 31.Rc4 Rg2 32.Kh1 Rh2 33.Kg1 Rbg2 34.Kf1 Rg3 35.Ra4 Rf3 36.Kg1 Rfh3 37.Rf1 Rh1 38.Kg2 Rf1! it's best to give back material 39.Kh3 Rc1 40.Ra5 f6 41.Kg3 Kf7 42.a4 Kg6 43.Ra8 Rc5 44.a5 Rc3 45.Kf2 g4 46.a6 Ra3 47.a7 Kg5 48.Re8 Ra7 49.Re6 Kf4 50.Rc6 Ke4 51.Kg3 f5 52.Re6 Kd5 53.Rg6 Ke5 54.Rb6 Ra3 55.Kg2 Kf4 56.Rb4 Kg5 57.Rc4 Kh4 58.Rc8 Ra2 59.Kg1 f4 60.Rc4 Kg3 61.Rc3 f3 62.Rc1 Kh3 63.Rc2 Rc2 (63...Rc2 64.Kf1 g3 65.Ke1 f2 66.Kd1 Ra2 67.Kc1 f1Q) 0–1. Sinagra,Ricardo (2095) – Garcia,Sebastian (2170), Torre Blanca Copa de Campeones, 2001. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 Be7 5.e3 0-0 6.c4 a5)

8.d4 cb5 9.cb5 Bd7 10.Bd3 Qe8 11.a4 Bb4 12.Nbd2 Ne4 13.Be4 (13.0-0 Nd2 14.Nd2 Qe7+=) 13...de4= 14.Ne5 f6 15.Nec4 Qg6 16.0-0 e5 17.Kh1 (17.f3 ed4 18.ed4 ef3 19.Qf3 Ra7+/-) 17...ed4 (17...Bg4 18.f3 ef3 19.gf3=) 18.Nb6 de3 19.Qb3 Qf7 20.Qe3 Bd2 21.Qd2 Ra7 22.Rac1 Bg4 23.Qd4 Be2 (better 23...Bf5!?+/-) 24.Rfe1+- Bd3 (24...Bg4+-) 25.Ba3 Re8 26.Rc8 Nd7 27.Rc7 (27.Nd7 Rc8 28.Qa7 Qd7 29.Qa5 Qd4-/+) 27...Rd8 28.Rec1 Qe6 29.Rc8 (worse 29.Nd7 Raa8+-; worse 29.Rd7 Rd7 30.Rc8 Kf7 31.Nd7 b6 32.Rf8 Kg6 33.Rf6 Qf6 34.Nf6 gf6 35.Qb6 Rf7+-) 29...Rc8 30.Rc8 Kf7 31.Rc7 (better 31.Nd7 b6 32.Rf8 Kg6 33.Rf6 Qf6 34.Nf6 gf6 35.Qb6 Rf7+-) 31...Kg8 32.Rd7 (worse 32.Qd7 Qd7 33.Rd7 h6+-) 32...h6 33.Rc7 Qb3 (33...Qg4 34.f3! Qf5 35.Qd8 Kh7 36.Nd7 Kg6 37.Nf8 Kh5 38.Qe8 Kh4 39.Ng6 Kg5 40.Bc1 e3 41.Be3 Kh5 42.Rc5 Qc5 43.g4) 34.h3 Qd1 35.Kh2 Qh5 36.Qd8 Kh7 37.Nd7 Qd5 (37...Kg6 38.Nf8 Kg5 39.Rc5 Kh4 40.g3) 38.Nf6 Kg6 39.Qd5 e3 40.Qh5 Kf6 41.Bb2 Ke6 42.Qe5 1-0. PEREIRA – ArturoP, internet, 2022.

9.Qc2 e5 10.cd5 cd5 11.Be2 Bd6 12.g4 (12.0-0 Nb6=) 12...d4 (better is 12...Nb6!? 13.g5 Ne8+=) 13.ed4+= e4 14.Ng5 (worse is 14.Ne4 Ne4 15.Qe4 Nf6+=) 14...Re8 15.Bc4 Re7 16.Nf7 Rf7 17.g5 Nh5 18.Bf7 (18.Qb3!? Qe7 19.Bf7 Qf7 20.Qf7 Kf7 21.Ne4+/–) 18...Kf7+= 19.Qb3 (19.Ne4 Nb6+=) 19...Kf8 (19...Kg6 20.Ne4 Qe7 21.Qf3+=) 20.Ne4+= Qe7 21.Qf3 Nf4 22.0-0 Nb6 23.Rfe1 Nbd5 (23...Nc4 24.Bc1 (worse is 24.Nd6 Qg5 25.Qg3 Nd6=) 24...Bh3 25.d3+/–) 24.Nd6 Qd6 25.a4 Qg6 26.Re5 Bf5 (26...Qf7 27.Rae1 Nh3 28.Kg2 Ndf4 29.Kf1=) 27.h4 (better is 27.Rd5!? Qg5 28.Kh1+–) 27...Rd8 28.Rae1 Kg8 29.Kh2 (29.d3 h6=) 29...Qf7 30.Ba3 Bg6 31.Be7 Ra8 (worse is 31...Ne7 32.Re7 Qf8 33.Rb7 (worse is 33.Qb7 Nd3 34.R1e2 Bh5+=) 33...Rd4 34.Rc7+/–) 32.R1e3 (better is 32.Bc5=) 32...Ne3 33.fe3 (33.de3 Nd3 34.Qf7 Kf7 35.Bd6 Ne5 36.Be5–+) 33...Nd3 34.Qb7 Re8 0–1. Gurevich,Dmitry (2635) – Ziatdinov,Raset (2485), Toronto op, 1997. (=1.Nf3 d5 2.c4 e6 3.e3 Nf6 4.a3 Be7 5.b4 0-0 6.Bb2 a5 7.b5 c6 8.Nc3 Nbd7)

9.d4 dc4 10.Bc4 Black's piece can't move: c8 10...Nb6 11.Bd3 cb5 12.Nb5 Bd7 13.0-0 Rc8 14.Ne5 Nbd5 15.Nd7 Qd7 White has the pair of bishops 16.Qe2 Nb6 (16...Nc7 17.Rfc1=) 17.Rab1 Nfd5 18.Ba1 (18.Bc1 Na8=) 18...f5 19.g3 Secures f4+h4 19...Rc6 20.Rfe1 Nf6 21.f3 Consolidates e4+g4 21...Rcc8 (21...Nc8!?= is interesting) 22.Na7 White threatens to win material: Na7xc8 22...Ra8 Black threatens to win material: Ra8xa7 23.Rb6 Ra7 24.Qa2 White threatens to win material: Qa2xe6 24...Nd5 25.Rb5 (25.Bb5 Qc8 26.Bc4 Kh8 27.Bd5 ed5 28.Qd5 Ba3+=) 25...Rf6 (25...Kh8 26.Bc4=) 26.e4 (better is 26.Reb1!?+/–) 26...fe4= 27.fe4 Nc7 28.Rbb1 Rh6 29.Bf1 Qa4 Attacks the isolani on a3 30.Re3 Kf8? 31.Bc4 b5 32.Rf1 Ke8 33.Be2 Bf6 34.Rd3 Qc4? 35.Qc4 bc4 36.Rdd1 Nb5 37.a4 Na3 38.Rc1 Rc7? 39.Bc3 Bg5 Black threatens to win material: Bg5xc1 40.Rcd1 Nc2 1–0. Garifulin,Alexandr – Meleshko,Vladimir, UKR–ch sf U16, 2001. (=1.Nf3 Nf6 2.e3 d5 3.b4 e6 4.a3 Be7 5.Bb2 0-0 6.c4 a5)

9.d4 Qc7 10.Rc1 Ne4 (10...Rd8 11.cd5 ed5 12.bc6 bc6 13.Qc2=) 11.cd5+/– Nc3 12.Rc3 (12.Bc3?! ed5 13.Bb2 Qb6=) 12...ed5 13.Qc2 1–0. Williams,Barry Mansell – Gilchrist,Duncan, QC.2004.0.057, 2004.

9.d4 Ne4 10.Ne4 de4 11.Nd2 cb5 +=.

9.cd5 cd5 10.Rc1 Bd6 11.d4 Qe7 12.Qb3 Nb6 Black prepares a4 (12...b6 13.Be2=) 13.Na4 (13.Be2!?+=) 13...Na4+= 14.Qa4 Nd7 (14...Ne4 15.Bd3+=) 15.Bd3= Nb6 16.Qb3 (16.Qc2 Kh8+=) 16...a4+= 17.Qa2 Bd7 18.Ne5 Rfc8 19.0-0 Be8 20.Rc8 (20.g3 f6 21.Nf3 Bg6-/+) 20...Rc8-/+ 21.Rc1 (21.e4 f6 22.ed5 ed5-/+) 21...Rc1 22.Bc1 f6 23.Nf3 Qc7 24.Qb1 Bg6! 25.Bg6 hg6 26.Bd2 (26.g3-/+) 26...Kf7 (better is 26...Ba3!? 27.Qg6 Qd7–+) 27.Ba5+= Ba3 28.Qa1 Bd6 29.Bb6 Qb6 30.Qa4 Qc7 31.g3 g5 32.Kg2 g4 33.Ng1 Qc4 34.Qa5 Bc7 (34...Qc8 35.Qb6 Qc7 36.Qc7 Bc7 37.f3 gf3 38.Nf3+=) 35.b6 Bd8 (35...Bd6 36.Qa8 Qc6 37.Qh8=) 36.Qa8= Bb6 37.Qb7 Bc7 38.h3 f5 (38...gh3 A) worse is 39.Kh3 Qf1 40.Kg4 Qd1 (40...Qg1?! 41.Qc7 Kg6 42.Qc2 f5 43.Kf4=) 41.Kh3 Qg1 42.Qc7 Kg6 43.Qc2 f5-/+; B) 39.Nh3 g5 40.Qb1=) 39.hg4 fg4 40.Qc8 Bd6 41.Qh8 Qc2 42.Qh5 Qg6 43.Qh8 Qe4 44.Kf1 Qf5 45.Kg2 Qe4 46.Kf1 Bb4 (46...Qd3 47.Kg2+=) 47.Qh5 Qg6 48.Qg6 Kg6 49.Ne2 Kf5 50.Nf4 Bd6 51.Nd3 Kf6 52.Ke2 Kf5 53.Nb2 e5 54.de5 Be5 55.Nd3 Bc3 56.Nc5 d4 57.e4 Ke5 58.Kd3 Be1 59.Ke2 Bc3 60.Kd3 Be1 61.Nd7?? (better is 61.Ke2 Ba5 62.Kd3=) 61...Kd6–+ 62.Nf8 Bf2 63.Ng6 Bg3 64.Kd4 Ke6 65.e5= Kf7 66.Nh8 Ke6 67.Ng6 Kf5 68.Ne7 Kg5 69.Ke4 Be5 70.Nc6?? Bf6–+ 71.Nb4 Kh4 72.Nd3 Bg5 73.Ne5 Bc1 74.Nd3 Bd2 75.Ne5 Kh3 76.Kd3 Bf4 77.Ng6 Bd6 78.Ke2 g3 79.Kf3 g2 80.Nh4 g1Q 0–1. Mory,Eric – Apicella,Manuel, St Laurent FRA, Francophonie Rapid Ch, 2014. (=1.Nf3 Nf6 2.c4 e6 3.e3 d5 4.a3 Be7 5.b4 0-0 6.Bb2 a5 7.b5 c6)

9.Be2 e5 10.cd5 cd5 11.d3 Bd6 12.0-0 Nb6 13.h3 a4 14.Qd2 Qe7 15.Rfc1 Re8 16.d4 e4 17.Ne5 Nfd7 18.Nd7 Bd7 19.Bf1 Qg5 20.Kh1 Re6 21.Rc2 Rg6 22.g3 Rh6 23.Ne2 Bh3 24.Bh3 Rh3 25.Kg2 Qh6 26.Rg1 Nc4 27.Qc1 Rh2 28.Kf1 Qh3 29.Ke1 Rh1 30.Qa1 Qh2 31.Kf1 Bg3! 32.Qe1 0–1. Dubinskaya,M (2090) – Dolzhikova,Olga (2240), UKR–ch (Women), 1998.

8.a4 Nb6 9.cd5 ed5 10.Be2 Nc4 11.Bf6 Bf6 12.d4 Bf5 13.Nc3 Rc8 14.Rc1 c6 15.bc6 =.

8.a4 Nc5 9.Qc2 (9.Bf6 Bf6 10.d4 Nd7 11.cd5 ed5 12.Qc2 Be7 13.Bd3 Nf6 14.0-0 Re8 15.Nbd2+=) 9...c6 (9...Nce4 10.Be2 c6 11.cd5 ed5 12.bc6 bc6 13.Ne5 c5 14.d3 Ng5 15.Nc6=) 10.Nc3 (10.Bf6 Bf6 11.d4 dc4 12.Qc4 Qe7 13.Nc3 cb5 14.Qb5 Na6 15.Ne4+=) 10...Bd7 (10...cb5 11.ab5 b6 12.d4 Ncd7 13.cd5 Nd5 14.Nd5 ed5 15.Bd3+=) 11.d4 (11.Ne5 cb5 12.ab5 Bc8= 13.d4 Ncd7 14.Bd3 Bb4 15.Nd7+=) 11...Nce4 12.c5 (12.Ne4 Ne4 13.Ba3 Rc8 14.Be7 Qe7 15.Rb1=) 12...b6 (12...Nc3 13.Bc3 b6 (13...cb5 14.ab5+= Ne4 15.Bd3+=) 14.bc6 Bc6 15.Ne5=) 13.Ne5 (13.bc6 Bc6 14.Ne5 Be8 15.Ne4 Ne4=; 13.Ne4 Ne4 14.Ne5 cb5 15.f3=) 13...cb5 (13...Nc3 14.bc6 bc5 15.Bc3=) 14.Ne4 Ne4 15.Nd7 (15.f3 Nf6 16.c6 Bb4 17.Kd1 Bc8+=) 15...Qd7= 16.Bb5 Qc7 17.f3 Bh4 (17...Nd6 18.Bd3 bc5 19.Bh7 Kh8+=) 18.Ke2 Nf6 19.g3 Bg5 20.f4 (20.h4 Be3 21.Ke3 Qg3+/–) 20...Bh6+= 21.Kf3 (21.c6 Rfc8+=) 21...Ne4 (21...bc5 22.g4=) 22.Rac1 (22.c6 f5+=) 22...Rfc8 (22...bc5 23.dc5 Rfc8 24.c6+=) 23.Ba3 (23.c6 Qe7+=) 23...bc5= 24.dc5 f5 25.c6 g6 26.Bb2 Bg7 27.Bg7 Qg7 28.Qd3 g5 29.Rc2 h5 30.Qd4 Qg6 31.h3?? gf4–+ 32.Rg2 fg3 33.Qb6? e5 34.Rc1 h4 35.Ke2 f4 36.ef4 ef4 37.Qd4 Qe6 38.Qd5 Nc3 (38...Nc3 39.Kd3 Qd5 40.Kc3 Rc6 41.Bc6 Qc6 42.Kd4 Rd8 43.Ke5 Qd5 44.Kf4 Rf8 45.Kg4 Qe4 46.Kg5 Rf5 47.Kg6 Qe6#) 0–1. Alias Ginel,Oscar (2230) – Gutierrez Olivares,Daniel (2080), III Open, Bajada de la Virgen ESP, 2005.

8.Qc2 c5 9.d3 b6 10.Be2 Bb7 11.Nbd2 Ne8 (11...Bd6 12.0-0=) 12.0-0 Bf6 13.Rac1 (13.d4 cd4 14.Nd4 Rc8=) 13...Nd6 14.a4 (14.cd5 Bd5 15.d4 Rc8=) 14...Rc8 15.Rfd1 (15.cd5 Bb2 16.Qb2 ed5=) 15...Qe7 16.Qb1 Rfd8 17.Qa1 (17.cd5 ed5 18.Bf6 Qf6=) 17...Bb2+= 18.Qb2 d4 (18...dc4 19.Nc4 Nc4 20.dc4=) 19.ed4 Nf5 (19...Qf6=) 20.d5 (20.Ne4!?=) 20...ed5+= 21.Re1 d4 22.Bf1 Qf8 23.g3 Nd6 24.Qb3 (24.Bh3 f5+=) 24...Re8 25.Bh3 Re1 26.Re1 Re8 27.Qd1 Re7 28.Bg2 (28.Bd7 Rd7 29.Qe2 Rd8=) 28...Qe8 (28...Qd8 29.Re7 Qe7 30.Qe1 Qe1 31.Ne1 Bg2 32.Kg2+=) 29.Re7 Qe7 30.Nh4 Bc8 31.Qf3 (31.Ne4 Ne4 32.Be4 Nf6+=) 31...Qe1 32.Nf1 Bb7 33.Qf4 Qe5 34.Qd2 Bc8 (34...Bg2 35.Ng2 Nf6 36.h3+=) 35.f4 Qe6 36.Nf3 h6 (36...Qe7 37.Qe1 Kf8 38.Qe7 Ke7 39.Kf2=) 37.Kf2 (37.Qe1 Qe1 38.Ne1 g5+=) 37...Nf8 (37...Qf6 38.Qe2+=) 38.Qe1 (38.Qe2 Qf6=) 38...Qe1 (38...Qf6 39.Kg1+=) 39.Ne1 (39.Ke1 Bb7=) 39...g5+= 40.fg5 hg5 41.Nd2 (41.h3 Kg7=) 41...Ng6 (41...g4 42.Ne4 Ne4 43.Be4+=) 42.Ne4 (42.h3 Kg7+=) 42...Ne4 43.Be4 Kg7 44.Nf3 (44.Ke2 f5 45.Bd5 f4+=) 44...f5 (44...g4 45.Ne1+=) 45.Bd5 g4 46.Ng5 Ne5 47.Ke2 Kf6 (47...f4 48.gf4 Ng6 49.Ne4+=) 48.Nh7 (48.h4 f4 49.gf4 Ng6 50.Nh7 Ke7+=) 48...Ke7 49.Ng5 f4 50.gf4 Ng6 51.Be4 Nf4 52.Ke1 Kf6 53.Nh7 Kg7 (53...Ke5 54.Ng5+=) 54.Ng5 Kh6 (54...Bd7 55.Kd2+=) 55.Nf7 Kh5 56.Nd6 Be6 57.Kf2 (57.Ne8 Kh4 58.Kf2 Kh3–+) 57...Kh4–+ 58.Kg1 (58.Ne8 Kh3 59.Kg1 Ne2 60.Kh1 Nc3–+) 58...Kh3 59.Kh1 g3 (59...Ne2 60.Bg2 Kh4 61.Bd5 Bd5 62.cd5–+) 60.hg3 Kg3 61.Kg1 Bh3 62.Kh1 Ne2 63.Bd5 (63.Ne8 Nc3 64.Nf6 Na4–+) 63...Nc3 64.Ne4 Kf4 65.Kg1 (65.Kh2 Bf5 (65...Nd5?! 66.cd5 Bf5 67.d6–+) 66.Nc5 Bg4-/+ (worse is 66...bc5 67.b6 Bc8 68.b7 Bb7 69.Bb7–+)) 65...Na4 66.Kf2 Nc3 (66...Nc3 67.Ke1 Ne4 68.Be4 Bf5–+) 0–1. Jozefini,Lubor (1935) – Kopasov,Evgeny (1985), FICGS, 2015. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.e3 Be7 5.Bb2 0-0 6.c4 a5 7.b5 Nbd7)

8.Nc3 Nb6 9.d3 c5 10.Be2 a4 11.0-0 Bd6 12.Qc2 Bd7 ½–½. Eralos – checkaroo, ChessWorld.net, 2003.

8.Nc3 Nc5 9.d4 Nce4 10.c5 c6 11.b6 Nc3 12.Bc3 black resigned 1–0. mpenga (2545) – lovecraft (2390), net–chess.com, 2014. (=1.c4 e6 2.a3 d5 3.e3 Nf6 4.b4 Be7 5.Bb2 0-0 6.Nf3 a5 7.b5 Nbd7)

8.d4 a4 9.Nc3= dc4 (9...c5 10.cd5 ed5 11.Bd3=) 10.Bc4+= Nb6 11.Be2 (11.Bd3 Nfd5+=) 11...Bd7 12.e4 c6 13.bc6 Bc6 14.Qd3 Rc8 15.0-0 Nfd7 (15...Nbd7!?+=) 16.Qe3+– Bf6 (16...Kh8 17.Rad1 Nf6 18.Ne5+–) 17.Rac1. Janek – Gusten, internet, 2018.

8.d4 dc4 9.Bc4 a4 10.Nbd2 Nb6 11.Bd3 Bd7 12.Ne5 Be8 13.f4 Nfd5 14.Qe2 (14.Qf3 f6 15.Nec4 Nc4 (worse is 15...Bb5 16.Qe4 Kf7 17.Qh7+–) 16.Nc4 Bb5=) 14...f6= 15.Nef3 Bh5 16.0-0 Qe8 17.Ne4 Bg6 18.Nh4 (better is 18.Nc5 Bd3 19.Qd3 Bc5 20.dc5+=) 18...Be4-/+ 19.Be4 f5 20.Bd5 ed5 21.Nf3 Ra5 22.Rfc1 Bd6 23.Ne5 Rb5 24.Rc3 Be5 25.de5 Nc4 26.Bc1 Qd7 27.Qd3 Qe6 28.Ra2 c6 29.Rf2 Na5 (29...Re8 30.Rf1–+) 30.Bd2 (30.Qd4 Re8-/+) 30...Nb3 31.Be1 Qe7 32.Rf3 (32.Ra2 Nc5 33.Qc2 Ne4–+) 32...Nc5 (32...Qa3!? 33.Rc2–+) 33.Qe2 Rb1 34.Rh3 (34.Rf1–+) 34...Ne4 35.Rd3 Qc5 36.g3 (36.Rd1 Rd1 (36...Qa3? 37.Rb1 Qe7 38.Qc2+–) 37.Qd1 Qa3–+) 36...Qc1 (better is 36...Qb5!? 37.Rd2 Nd2 38.Qd2–+) 37.Kf1 Rb2 (37...Ra1!? 38.Rh5–+) 38.Rd1 Re2 39.Rc1 Re3 40.Rb1 (40.Bb4 Rc8 41.Re1 Rf3 42.Kg2 Rb3–+) 40...Rb3 41.Ra1 h6 (41...d4 42.Rh5–+) 42.Bb4 (42.Ke2 c5–+) 42...c5 43.Ba5 b6 44.Be1 d4 45.Ke2 (45.Kg1 d3–+) 45...Kf7 (45...d3 46.Kf1–+) 46.Rh4 (46.Kd1 d3 47.Kc1 Rd8–+) 46...Rd8 Black intends d3 47.g4 (47.Kd1 d3 48.g4 d2 49.e6 Ke6–+) 47...d3 48.Kd1 d2 49.Bd2 (49.Rh5 Rb2 50.e6 Ke7 51.Rh3 de1N 52.Ke1–+) 49...Rd2 50.Kc1 Rf3 0–1. Mihaljevic,Branko (1960) – Peregi,Zsolt (2030), HUN–chT2 Asztalos, 2009. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Be7 5.e3 0-0 6.c4 a5 7.b5 Nbd7)

8.d4 c5 9.Nbd2 Ne4 10.Be2 cd4 11.Bd4 Qc7 12.0-0 Nd2 13.Nd2 Re8 (13...dc4 14.Bc4 Bd6 15.Qh5+=) 14.cd5+/– ed5 15.Rc1 Qd6 16.a4 Bf6 17.Nf3 Bd4 18.Nd4 Nc5 19.Bf3 Be6 20.Rc3 Ne4 21.Be4 de4 22.Ne6 Qe6 23.Rc7 Rad8 24.Qc2 Qd5 25.Rc1 h6 26.h3 Rd7 27.Rd7 Qd7 28.Rd1 Qe7 29.Qc3 Ra8 30.Kh2 Kh7 31.b6 Qb4 32.Qc7 Qa4 33.Rc1 (33.Rd7!? Qc6 34.Rf7 Qc7 35.Rc7+= (worse is 35.bc7 Rc8+=)) 33...Qe8= 34.Qb7 Qb8 (34...a4!?=) 35.Qc7+/– f5 36.Kg3 a4 37.Kf4 a3 38.Rc2 (38.Ra1 Qf8 39.b7 Re8+/–) 38...h5 (38...Qf8 39.b7 Rb8 40.Ra2+=) 39.h4 Kh6 40.Ra2 (40.Kf5 Qf8 41.Ke4 a2 42.Ra2 Ra2 43.Qc6 g6–+) 40...Qc7 41.bc7 Rc8 42.Ra3 Rc7 43.Kf5 1–0. Fournier,Frederic (2100) – December_boy (2250), chessworld.net (T70209), 2008.

8.d4 c6 =.

8.cd5 ed5 9.Qc2 Bd6 =.

8.cd5 ed5 9.d4 Re8 (9...Nb6 10.Qc2+=) 10.Nc3 Nb6 11.Qc2 Bd6 12.Bd3 Bg4 13.Nd2 Bh5 14.a4 Qe7 15.0-0 Bg6 16.Bg6 hg6 17.Qb3 (17.Rfe1 Qd7=) 17...Qe6+= 18.Ba3 Nc4 19.Nc4 dc4 20.Qb2 g5 21.Rad1 g4 (21...Rad8 22.Rfe1+=) 22.Bd6= cd6 23.d5 Qf5 (23...Qc8 24.Rd4=) 24.Rd4 Rac8 25.Qe2 Rc5 Can d5 get defended? 26.Rfd1 b6 27.g3 Rec8 28.Rf4 Qe5 29.Rdd4 g5 (worse is 29...Nd5 30.Nd5 Rd5 31.Rc4+/–) 30.Rf6 Qf6 31.Qg4 Qg6 32.h4 f5 33.Qg5+= Qg5 34.hg5 Kg7 35.e4 Kg6 36.ef5 Kg5 37.g4 Re8 38.Kg2 Rc7 39.f3 Kf6 40.Kf2 Kg7 41.Rd1+/– Re5 42.f4 Re8 43.g5 Kf8 44.f6 Rh7 45.Rd4 Rc8 46.Kg2 Rh4 47.Re4 Rg4? 48.Kf3+/– Rg1?? 49.Re7+– Rf1?? 50.Kg4 Rg1 51.Kf5 Re8 52.Rh7 (52.Rh7 Ree1 53.g6 Re5 54.fe5 Rf1 55.Ke6 Kg8 56.Rb7 Rf6 57.ef6 Kf8 58.Rb8) 1–0. Ilyushchenko,Yury Nikolaevich – Docekal,Ales, 3rd Webchess Open Tournament prel., 2008. (=1.Nf3 Nf6 2.c4 e6 3.e3 d5 4.a3 Be7 5.b4 0-0 6.Bb2 a5 7.b5 Nbd7)

7.Nc3 a5 8.b5 =.

7.Nc3 dc4 8.Bc4 b5 9.Be2 Bb7 10.0-0 c5 11.bc5 Bc5 12.d4 Bb6 13.Ne5 Nbd7 14.Bf3 Qc7 15.Rc1 Bf3 16.Qf3 Qd6 17.Rfd1 Rac8 (17...Rfc8 18.g3+=) 18.Ne4+/- Ne4 19.Rc8 (19.Qe4?! Ne5 20.Qe5 Qd5=) 19...Rc8 20.Qf7 Kh8 21.Qd7 (21.Nd7?! Ng5 22.Qh5 Qd7 23.Qg5 Rc2=) 21...Qd7 22.Nd7 Ba5 23.Rc1 Rc1 24.Bc1 b4 25.f3 Nc3 26.Kf1 Na4 27.ab4 Bb4 28.Ke2 Kg8 29.Bd2 Bd6 30.h3 Kf7 31.Ba5 Ke7 32.Nb6 (32.Ne5!?+/-) 32...Nb6+= 33.Bb6 Kd7 34.Kd3 Kc6 35.Ba5 Kb5 36.Bc3 g6 37.g4 Bb4?? (37...a5 38.e4=) 38.f4?? (38.Bb4 Kb4 39.f4 Kb5+-) 38...Bc3?? (better 38...Bf8+/-) 39.Kc3+- a5 (39...Kc6+-) 40.e4 a4 (40...Kb6 41.Kb3 Kc6+-) 41.f5 ef5 (41...gf5 42.gf5 Kc6 43.fe6+-) 42.ef5 gf5 (42...Kc6 43.Kb4 a3 44.Ka3+-) 43.gf5 Kc6 44.Kb4 a3 45.Ka3 Kd6 46.Kb4 h5 47.Kc4 Ke7 48.d5 Kf6 49.d6 Kf5 50.d7 Kf4 If Black now only could play d8Q... 51.d8Q Kg3 (51...Kf5 52.Qe7 Kf4 53.Qf6 Ke4 54.Qg5 Kf3 55.Kd3 Kf2 56.Qf4 Kg1 57.Ke3 Kg2 58.Qg5 Kh3 59.Kf3 h4 60.Qg2) 52.Qd7 (52.Kd3 Kh3 53.Qg5 Kh2 54.Ke3 h4 55.Kf2 h3 56.Qg1) 52...h4 53.Qg4 (53.Qg4 Kh2 54.Kd3 Kh1 55.Ke3 Kh2 56.Kf3 Kh1 57.Qg2) 1-0. Slobodjanac,Sinisa (1795) - Golub,Nikolina (1925), 24th Bosnjaci Open, 2019.

7.Nc3 c5 8.b5 ab5 9.Nb5 Bd7 10.a4 Nc6 11.Be2 Na5 12.cd5= Nd5 13.0-0 Rc8 14.Rc1 Qb6 15.Ne5 Rfd8 16.Nd7 Rd7 17.Be5 Bf6 18.Bf6= Nf6 19.Qc2 Nd5 20.Rb1 Qd8 21.Qb2 Nb4 22.Rfd1 b6 23.Bf3 Nc4-/+ 24.Qc1 Rd2?? 25.Qc4+– Rd1 26.Rd1 Qe7 27.h3 h6 28.Be4 g6?! 29.Bb1 Ra8 30.Rd6 Nd5 31.Be4 Rb8? 32.Bd5 ed5 33.Qd5 Rb7 34.Rg6 Kh7 35.Rg4 Rd7 36.Qe4 Kh8 37.Kh2 Qf6 38.Qe8 (38...Kh7 39.Qg8) 1–0. wlittle (2100) – nhathuy (2210), net–chess.com, 2005.

7.Nc3 c6 8.cd5 cd5 9.Rc1 Nc6 10.d4 b5 11.Bb5?? ab5–+ 12.Nb5 Ba6 13.Nc3 Rc8 14.b5-/+ Bb5 15.Nb5=+ Qa5 16.Nc3 Ne4 17.0-0= Nc3 18.Rc3+= h6 19.Qc2+/– Na7 20.Rc1 Rc3 21.Qc3 Qc3 22.Rc3+/– Rc8 23.Rc8 Nc8 24.Kf1 Kf8. mgriffin (1630) – kostaspetidis (1900), net–chess.com, 2001.

7.Nc3 Nbd7 8.d4 (8.cd5 ed5 9.Bd3 c5=) 8...Re8 (8...a5 9.c5+=) 9.Be2 dc4 10.Bc4 Nb6 11.Bb3 (11.Bd3 Nfd5+=) 11...Nbd5 12.0-0 Nc3 13.Bc3 Bd7 14.Re1 Bc6 15.Nd2 (15.Ne5 Bd5+=) 15...Nd5 16.Bb2 a5 17.ba5 Ra5 18.Nc4 Ra8 19.Ne5 Bb5 (19...f5 20.Qc2 Ra6 21.e4 fe4 22.Re4=) 20.Qf3 Bf6 21.Rad1 (21.e4 Nb6+=) 21...Ba4= 22.e4 Nb6 23.Nf7?? (better is 23.Ba4 Ra4 24.Qb3=) 23...Kf7–+ 24.e5 (24.Rd3 Bb3 25.Rb3 Kg8–+) 24...Bb3 25.Rd3 (25.Qb3 Be7 26.Qh3–+) 25...Bd5 26.Qh5 Kg8 27.ef6 (27.Rh3 h6 28.ef6 Qf6–+) 27...Qf6 28.Rh3 Qg6 (28...Qg6 29.Qg6 hg6–+) 0–1. Galateanu,Calin (1785) – Chifor,Ovidiu_Emanuel (2260), Grand Prix Balcani – Festivalul Interna, 2010.

7.c5 b6 8.d4 Bd7 9.Nbd2 Bb5 10.Bb5 ab5 11.cb6 cb6 (11...c6 12.b7 Ra7 13.0-0=) 12.Qe2+= Qd7 13.Ne5 Qc8 14.Rc1 Qa6 15.0-0 Bd6 16.f4 Nbd7 17.Rc6 Be5 (17...Be7 18.Nd7 Nd7 19.f5+/–) 18.fe5 Ne4 19.Ne4 de4 20.Rc7 Nb8? (20...Ra7!? 21.Ra7 Qa7 22.Qb5 Rc8+/–) 21.Qc2 (21.Qh5!? g6 22.Qh6 Qa4+–) 21...Ra7 22.Ra7 Qa7 23.Qe4 Rc8 24.Qd3 Qd7 25.Rc1 (25.e4 Na6+–) 25...Rc1 26.Bc1 Qc7 27.Bb2 Qc6 28.e4 White intends d5 28...h6 29.d5 Qd7 (29...Qc4 30.Qd4+–) 30.Qd4 Qd8 31.de6 (31.h3!? Na6+–) 31...Qd4+/– 32.Bd4 fe6 33.Bb6 (33.Kf2 Nc6 34.Ke3 g5+–) 33...Nc6 34.Bc7 Nd4 35.Bd6 Nc2? (35...g5 36.Kf2+/–) 36.Kf2 (better is 36.a4 ba4 37.b5+–) 36...Na3+/– 37.Ke3 Kf7 38.Kd4 Ke8 39.Kc5 Kd7? 40.Bf8+– h5 41.Bg7 Kc7 42.h3 Kd7 43.g4 hg4 44.hg4 Ke7 45.Bf6 Kf8 46.Bg5 Kf7 47.Bc1 Nc2 48.Kb5 Nd4 49.Kc4 Nc6 50.Bf4 Ke7 51.Kc5 Kd7 52.b5 Nb8 53.g5 Ke7 54.g6 Nd7 55.Kc6 Nb8 56.Kc7 Na6 57.ba6 Ke8 58.Kd6 Kf8 59.Bh6 Ke8 60.a7 1–0. Romanov,Evgeny – Karasev,Vasiliy, Kemerovo RUS, City Ch, 2014.

7.d4 dc4 8.Bc4 b5 9.Bd3 Bb7 10.Nbd2 Nbd7 11.0-0 a5 12.Qc2 (12.ba5 Bc6+/-) 12...ab4 13.ab4 Ra1 14.Ra1 Bb4 15.Bb5 c5 16.dc5 Bc5? (better 16...Nc5 17.Rb1 Bd2 18.Nd2 Qd5=) 17.Bf6+- Qf6 18.Rd1 Rc8 (18...Bf3 19.Nf3 Ne5 20.Qc5 Nf3 21.gf3 Qf3+-) 19.Bd7 Rc7 20.Ne4 Be4 21.Qe4 g6 22.Bb5 Be7 23.Bf1 (23.Qa8 Kg7+-) 23...Rc5 (23...Kg7 24.Nd4+-) 24.Qa8 Kg7 25.Rd7 Rc1 (25...Rc2+-) 26.Qe8 Bb4 (26...Rc3+-) 27.Ne5! Be1 Threatening mate: Bxf2 (27...Qe5 A deflection 28.Qf7 Demolition of pawn structure) 28.Rf7 (28.Rf7 Qf7 29.Qf7 Kh6 30.Qf8 Kh5 31.Be2 Kg5 32.Qf4) 1-0. Pereira – Trainee, internet, 2020.

7.cd5 Nd5=+ 8.Nc3 b5 9.Nd5 Qd5 10.Qc2 Qc6 (10...c5 11.bc5 Bc5 12.Rc1=) 11.Qd1 (11.Rc1 Qc2 12.Rc2 Bd6=) 11...Bb7 12.Rc1 Qd7 13.Qc2 Bf3 14.gf3 c5 (Better is 14...Rd8!?=) 15.Rg1+/– g6 16.Qc3 f6 17.Bd3?? Kg7?? 18.Qc2 Qe8 19.h4 Kh6? 20.h5 f5? 21.hg6+– hg6?? 22.Rh1 Kg5 23.f4 (23…Kg4 24.Be2#) 1–0. Engles,M – Villano, Boulder CO USA, 1994.

7.Bf6 gf6 8.d4 +=.

7.Bf6 Bf6 8.d4 dc4 9.Bc4 Nc6 =.

7.Qc2 dc4 8.Bc4 Bb7 9.Nc3 Nbd7 10.e4 (10.d4 c5 11.dc5 bc5=) 10...a5 (10...c5 11.bc5 Rc8 12.d4=+) 11.b5 h6 (11...c6 12.d3=) 12.d4 (12.0-0 c6+=) 12...c6 (12...c5 13.bc6 Bc6 14.Qe2=) 13.bc6 (13.0-0 Rc8 14.Qe2 Qc7+=) 13...Bc6 14.Qe2 (14.Rc1 Rb8+=) 14...Qc7 (14...Rc8 15.Rc1+=) 15.Rc1 Qb7 (15...Qf4 16.g3 Qc7 17.0-0+=) 16.Nd2 (16.Bd3 b5 17.Ne5 Ne5 18.de5 Nd7 19.Bb5 Bb5 20.Nb5 Rfb8=) 16...Rab8 (16...Rfd8 17.Bb5 Nb8 18.Bc6 Nc6 19.Nb5=) 17.Ba6 Qa8 18.Bb5 Bb7? (18...Bb5 19.Nb5 Rbc8 20.0-0+=) 19.0-0 Rbd8 20.Rfe1 Nh7 21.Na4 Qa7? 22.Rc7+– Bd6 23.Rd7 Rd7 24.Bd7 Be4 25.Ne4 Qd7 26.Nb6 Qe7? (26...Bh2 27.Kh2 Qc7 28.Kg1 Qb6+–) 1–0. Donchev,Dimitar – Kohlhauser,Alfred, open Oberwart, 1992.

7.Qc2 Nbd7 8.Nd4 Bb7 9.cd5 Nd5 10.Nc6 Bc6 11.Qc6 Bf6 12.Bf6 Qf6 (worse is 12...gf6 13.d4+/–) 13.d4 Rfd8 14.Nd2 Ne7 15.Qc7 Rac8 16.Qg3 e5 17.Bd3 (17.Ba6 Rb8 18.Ne4 Qc6+=) 17...ed4= 18.0-0 de3 19.fe3 Qe5 20.Qh3 Nf6 21.Nc4? (better is 21.Ba6!? Rc2 22.Nc4+=) 21...Qc3–+ 22.Be2 Rc4 23.Bc4 Qc4 24.Rac1 Qe4 25.Rc7 a5 26.Rf4 (26.ba5 ba5 27.Qf3 Ned5 28.Qe4 Ne4–+) 26...Qe5 27.Rc1 Ned5 28.Rd4 Rf8 29.ba5 ba5 30.Rdc4 Ne3 (worse is 30...Qe3 31.Qe3 Ne3 32.Ra4–+) 31.Rc5?? (31.Re1 Nc4 32.Re5 Ne5 33.Qc3–+) 31...Qd4 32.Kh1 Neg4 (better is 32...Nd1 33.Qf3 Nf2 34.Kg1–+) 33.Qf3 Nf2 (33...Nf2 34.Kg1 N6e4–+) 0–1. Sobeck,Guenter – Mueller,P, Chemnitz op, 1998. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 Be7 5.e3 0-0 6.c4 b6)

7.Nc3 a5 8.b5 c6 9.d4 Bb7 10.Rc1 dc4 11.Bc4 cb5 =.

7.Nc3 Ba6 A) 8.b5 Bc8 9.Ne5 a6 10.Qf3 Bb7 11.d4 ab5=; B) 8.d3 c5 9.cd5 cb4 10.ab4 Nd5 11.Nd5 Qd5=+; C) 8.Ne5 c5 9.bc5 bc5 10.Qf3 Bd6 11.Ng4 Ng4=.

7.Nc3 c5 8.b5 Bb7 9.cd5 Nd5 10.Nd5 Bd5 11.Be2 Bf6 12.Qc2 Nd7 13.0-0 Rc8 14.Rfc1 Re8 15.a4 Bb2 16.Qb2 e5 17.d3 Qe7 18.a5 e4 19.de4 Qe4 20.ab6 ab6 21.Qc2 Qc2 22.Rc2 Ra8 23.Rcc1 Kf8 24.Nd2 Ra1 25.Ra1 Ra8 26.Ra8 Ba8 27.e4 Ke7 28.f4 g6 29.Kf2 f5 30.ef5 gf5 31.Bd3 Ke6 32.Nc4 Be4 33.Be4 fe4 34.g4 Kd5 35.Ne3 Kd4 36.g5 c4 37.Ke2 c3 38.h4 Nf8 39.f5 Ke5 40.h5 Nd7 41.g6 hg6? (better is 41...Nf6+=) 42.fg6+– (42.hg6?! Nf6+/–) 42...Kf6 43.Nd5 Kg7 44.Kd1 Ne5? (better is 44...Kh6+–) 45.Nc3 Nd3 46.Ne4 Nf4 47.Ng3 Nd5 48.Nf5 (48.Nf5 Kf6 49.g7+–) 1–0. Kasparov,S (2490) – Vrana,J (2285), Pardubice CZE, 2012. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.e3 Be7 5.Bb2 0-0 6.c4 b6)

7.Nc3 c5 8.b5 Nbd7 9.d3 Bb7 10.Be2 Qc7 11.a4 (11.cd5 Nd5 12.Nd5 Bd5=) 11...e5 (11...d4!? 12.Na2 de3 13.fe3 Ng4-/+) 12.cd5= Nd5 13.Nd5 Bd5 14.e4 Be6 15.0-0 Rfd8 16.Qc2 Rac8 17.Nd2 Nf8 18.Qc3 White intends a5 18...Bf6 19.a5 Ng6 20.g3 (20.Nc4!?=) 20...Qd7-/+ 21.Rfb1 Qb5 22.Bc1 Qc6 23.ab6 ab6 24.Ra6 Rb8 25.Nc4 Bc4 26.Qc4 Rd4 27.Qc2 ½–½. Beck,Hartmuth (2320) – Themessl_Huber,Christian (2020), Semriach AUT, 2013.

7.Nc3 c5 8.bc5 bc5 9.Rb1 Nbd7 10.cd5 ed5 11.Bb5 Nb6 =.

7.Nc3 c5 8.bc5 Bc5 9.cd5 ed5 10.Rc1 d4 11.Na4 de3 =.

7.Nc3 c6 A) 8.d4 Ba6 9.Ne5 Bd6 10.Qf3 Qe7 11.Rb1 Rc8=; B) 8.Ne5 Qc7 9.d4 Nbd7 10.Bd3 Rd8 11.f4 c5=; C) 8.Qc2 Re8 9.Rc1 c5 10.bc5 bc5 11.Be2 Nc6=; D) 8.cd5 ed5 9.Be2 b5 10.a4 ba4 11.b5 cb5=.

7.Nc3 Ne4 8.d3 Nc3 9.Bc3 Bf6 10.Bf6 Qf6 11.d4 Nd7 12.Bd3 Ba6 (12...dc4!? 13.Be4 Rb8=) 13.cd5 Bd3 14.de6 Qe6 15.Qd3 a6 16.0-0 h6 17.Rfc1 Rac8 (better is 17...c6+–) 18.Qa6 Nb8 19.Qc4 Qc4 20.Rc4 b5 21.Rc3 (21.Rc5 c6 22.d5 cd5 23.Rd5 Rc2+–) 21...Nd7 22.Rac1 Nb6 23.Rc7 Rc7 24.Rc7 Nc4 25.Ra7 f6 26.Ne1 Nd6 27.Nd3 Rc8 28.Nc5 Ne4 29.h4 Nc3 30.g4 Nd5 31.Kg2 Nc7 32.a4 Nd5 33.ab5 Nb4 34.b6 Nc6 35.Rc7 Rc7 36.bc7 Na7 37.d5 Kf7 (37...Nc8 38.f4 g6+–) 38.d6 g6 39.d7 Nc6 (39...Ke7 40.d8Q Kf7 41.Qd7 Kg8 42.Ne6 Nc8 43.Qg7) 40.c8Q 1–0. Darkseid – stefanW, ChessWorld.net, 2012.

7.d3 Bb7 8.Nbd2 Nbd7 9.Be2 dc4 (9...c5 10.Qb3=) 10.Nc4 1–0. Goldmund,Heike – Valentin,Laurentiu, FICGS, 2014.

7.d3 dc4 8.Qc2 +=.

7.Bd3 h6 8.Qe2 Bb7 9.Nc3 Nbd7 10.cd5 ed5 11.Rc1 a5 12.b5 Nc5 13.Bb1 (13.Bc2 Re8+=) 13...Re8 14.0-0 Nb3 Black plans d4 15.Rcd1 d4 16.Na2 Qd5 17.d3? (better is 17.Nc1!?=) 17...Qb5-/+ 18.Nd4 Nd4 19.Bd4 Qg5 20.e4 Ba3 21.f4 Qh4 22.Rf3 Rad8 23.Bf2 Qh5 24.Nc3 Bb4 25.Rc1 Ba6 26.Qc2 Rd7 27.d4 Bc3 28.e5? (28.Rc3 Ne4 29.Re1–+) 28...Bd4–+ 29.Bd4 Rd4 30.ef6 g6 (30...gf6 31.Qh7 Kf8 32.Qh8 Ke7 33.Re3 Qe5 34.Re5 (34.fe5? Rh8 35.Rc7 Kd8–+) 34...fe5 35.Qe5 Kf8 36.Qh8 Ke7 37.Re1 Be2 38.Re2 Kd6 39.Qd4 Kc6 40.Qc4 Kb7 41.Re8 f5 42.Qd5 c6 43.Re7 Ka6 44.Bd3 b5 45.Qc6) 31.f5 Rc4 32.Qd2 Rc1 33.Qc1 Qh4 34.Rf2 g5 35.Ba2 Qb4 (35...Qd4 36.Bf7 Kf7 37.Qc7 Kf6 38.Qc6 Kf7 39.Qg6 Ke7 40.h4–+) 36.Bf7 (36.Rd2 Qf4 37.h3–+) 36...Kf7 37.Qc7 Re7 (better is 37...Kf6 38.Qc6 Kf7 39.Qg6 Ke7–+) 38.Qe7+/– Qe7 39.fe7 Ke7 40.Ra2 (40.Rb2 b5+/–) 40...g4 (40...Bc4!? 41.Ra4 Bb3 42.Re4 Kf6=) 41.Ra4 h5 (41...Bc8 42.Rg4 Bf5 43.Rh4+=) 42.Re4+/– Kf6 43.Re6 Kf5 44.Rb6 Bd3 45.Rb3 Ke4 46.Ra3 Bc4 47.Kf2 h4 48.Ra5 Be6 49.Ra4 Kf5 50.Ke3 Kg5 51.Ra5 Bf5 52.Rc5 h3 53.g3 Kg6 54.Kf4 Bd3 55.Kg4 1–0. Bulla,Peter (2070) – Lonc,Augustin (1965), SVK–chT2, 1998. (=1.e3 e6 2.c4 d5 3.Nf3 Nf6 4.b4 Be7 5.Bb2 0-0 6.a3 b6)

7.d4 a5 A) 8.Qa4 Bb7 9.b5 c6 10.Nc3 dc4 11.Bc4 cb5 12.Bb5=; B) 8.b5 B1) 8...Bd7 9.Nc3 c6 10.Ne5 cb5 11.cb5 Bd6 12.Bd3+=; B2) 8...Bb7 9.Nc3 c6 10.Rc1 dc4 11.Bc4 cb5 12.Nb5=; B3) 8...c6 9.Nc3 Bb7 10.Rc1 dc4 11.Bc4 cb5 12.Bb5=.

7.d4 Ba6 8.Nbd2 Nbd7 9.Qa4 Bb7 10.c5 c6 11.Qc2 Qc7 12.Bd3 a5 13.0-0 Ba6 14.Rfc1 Bd3 15.Qd3 b5 16.a4 Rfb8 17.ab5 Rb5 18.Bc3 a4 19.Ra3 Ne4 20.Ne4+– de4 21.Qe4 Nf6 22.Qc2 Nd5 23.Ra4 Ra4 24.Qa4 Qb7 25.Be1 Nb4 26.Ra1 f6 27.Qa8+– Qb8 28.Qb8 Rb8 29.Bb4 Rb4 30.Ra8 Kf7 31.g4 e5 32.Rc8 ed4 33.ed4 Ke6 34.Rc6 Kd5 35.Rc7 Bf8 36.Kg2 Ke4 37.Rf7 Rb8 38.g5 f5 39.Ne5 Re8 40.Nd7 Be7 41.Rg7 Kd4 42.h4 h6 43.gh6 Bh4 44.h7 Rh8 45.c6 Bd8 46.Rg8 1–0. Pandurevic,Miro (2255) – Saric,Ivan (2035), Omis op, 2003.

7.d4 c5 8.bc5 bc5 9.cd5 Nd5 10.dc5 Bc5 11.Bd3 f5 12.0-0 =.

7.d4 c6 A) 8.Nc3 Ba6 9.Nd2 Nbd7 10.Qf3 c5 11.bc5 bc5=; B) 8.Ne5 Nfd7 9.Nd7 Nd7 10.Nc3 Nf6 11.Qf3 c5=; C) 8.Bc3 Ne4 9.Bd3 a5 10.b5 cb5 11.cb5 Bd6=; D) 8.cd5 ed5 9.Nc3 Re8 10.Bd3 b5 11.0-0 a5=; E) 8.Nbd2 Qc7 9.Bd3 a5 10.ba5 Ra5 11.Qb3 Nbd7=.

7.d4 Nbd7 8.Nbd2 Bb7 9.Qb3 c5 (9...a5 10.ba5 Ra5 11.Bd3=+) 10.bc5 Rb8 11.cb6 dc4 12.Bc4 Nb6 13.Bd3 Bf3 14.gf3 Nbd5 15.Qa2 Qa5 16.Ke2 Rfc8 17.Rhc1 h6 18.Nc4 Qd8 19.Rc2 a5 20.Rac1 a4 21.Ne5 Qd6?? (21...Rc2!? 22.Rc2 Rb3+=) 22.Nc6 (better 22.Rc8 Bf8 23.R8c4+-) 22...Ra8+/- 23.Ne7 Ne7 24.Rc8 Rc8 25.Rc8 Nc8 26.Qc4 Nb6 27.Qb4 Qc7 28.h4 Nfd5 29.Qb5 Qe7 30.Qc6 Qh4?? (30...Qd8 31.Bc3+/-) 31.Bb5 (31.Qe8) 31...Qe7 32.Bc1 (32.Ba4!? Na4 33.Qa4+/-) 32...Qc7= 33.Qe8 Kh7 34.Bd3 g6 35.Bd2 Kg7 (35...Nc4 36.Qf8= (36.Qa4? Nd2 37.Kd2 Qc3 38.Ke2 Qc1 39.Bg6 Kg6-+)) 36.f4 (36.Qb5!?+=) 36...Nc3 37.Kf1 (37.Bc3!? Qc3 38.Qb5=) 37...Nbd5-/+ 38.Qa8? (38.Kg1 Qb7 39.Bc3 Nc3-/+) 38...Qb6 (38...Qe7 39.Qb8 Qa3 40.Qe5 Nf6 41.d5 Ncd5 42.Qd4-+) 39.Qa6 (39.Bc3 Qb3 (39...Nc3?! 40.Bc2-/+) 40.Bg6 Nc3-/+ (40...Kg6?! 41.Bb4=+)) 39...Qb2 40.Be1 (40.Bc3!? Qc3 41.Bb5 Qc1 42.Kg2-+) 40...Qa3 41.Qc4 (41.Bc4-+) 41…Na2 0-1. jhonores (2245) - IvanchukIca (2005), LIGA NACIONAL DEL PERU Team Battle, lichess.org, 2020.

7.Be2 dc4 8.Bc4 c6 9.Qc2 =.

7.Be2 Nbd7 8.d4 c5 9.dc5 bc5 10.bc5 (10.b5 a6=) 10...Nc5 (10...Rb8 11.Bd4 Nc5 12.0-0=) 11.0-0 Ba6 (11...Rb8 12.Be5 Bd6 13.Bd6 Qd6 14.cd5 ed5 15.Nc3=) 12.Nbd2 (12.cd5 Be2 13.Qe2 Qd5=) 12...dc4 (12...Qa5 13.cd5 Nd5 14.Nc4=) 13.Bc4 (13.Nc4 Bb7=) 13...Qa5 (13...Bc4 14.Nc4 Rc8 15.Rb1=) 14.Ba6 (14.Qc2 Rac8=) 14...Qa6 15.Bd4 Rfd8 16.Nb3 (16.Ne5 Ncd7=) 16...Nce4 The isolani on a3 becomes a target 17.a4 (17.Nfd2 Nd2 (worse 17...Ba3 18.Ne4 Ne4 19.Qg4 Rd4 20.ed4+–) 18.Nd2 Rac8=+ (worse 18...Ba3 19.Bf6 gf6 20.Qg4 Kh8 21.Nb1+–)) 17...Rac8 (17...Bd6 18.Qe1=+) 18.Qb1 Rb8 19.Qa2 (19.Rc1 Bd6=+) 19...Nd5 20.Rfc1 (20.Qc2 Nec3=+) 20...Nb4 (20...Qd3!? 21.Nc5 Bc5 22.Ne5–+) 21.Qb1 Nd3 22.Rf1 f6 (22...Bd6 23.Ra2-/+) 23.Qa2=+ Kh8 24.Nfd2 (24.Nc1 e5 25.Nd3 A) worse 25...Qd3 26.Be5 (worse 26.Ba7 Rb7-/+) 26...fe5 27.Ne5+=; B) 25...ed4 26.Nd4 Qd3-/+) 24...Nd2 (24...Nb4 25.Qb1 Nd2 26.Nd2–+) 25.Nd2 e5 26.Bc3 Rdc8 (26...Bb4 27.Bb4 Nb4 28.Qb2–+) 27.Nb1 (27.Rab1 Rb1 28.Nb1 Qc4 29.Qc4 Rc4=) 27...f5 28.Qf7 Bf6 (28...Qf6 29.Qf6 Bf6-/+) 29.Qh5 (29.Rd1 f4-/+) 29...Qe6 (29...g6!? 30.Qh6–+) 30.Qe2 (30.Rd1!?-/+) 30...e4–+ 31.Bf6 Qf6 32.Na3 a6 (32...Rb2 33.Qd1 f4–+) 33.h3 (33.Rab1 Rb2 34.Rb2 Qb2 (worse 34...Nb2 35.a5=+) 35.Qb2 Nb2-/+) 33...Rc3 (better 33...Rb2!? 34.Qh5 Rf2–+) 34.Nc2 Rbc8 (34...Rb2 35.Rab1 Rc4 36.Rb2 Qb2 37.Qh5=+) 35.Nd4 Nc1 (35...Qg6!?-/+) 36.Qd2 (36.Qb2 Nd3 37.Qe2 Qg6-/+) 36...Nd3 37.Rfb1 ½–½. Mickeviciute,Gedmante – Balciunaite,Gabija, Lithuanian Championship G16, 2015. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 Be7 5.e3 0-0 6.c4 b6)

7.Be5 Nbd7 =+.

7.Ne5 Nfd7 8.cd5 Ne5 9.Be5 Nd7 10.Bg3 ed5 11.Nc3 Bf6 (11...Nf6 12.Nb5 Ne8 13.Qf3=) 12.d4+= c6 13.b5 Bb7 14.Qb3 c5 15.Rd1 c4 16.Qb2 Bh4 17.Bh4 Qh4 18.g3 Qg5 19.Bg2 Nf6 20.0-0 h5 21.Rfe1 Rfe8 22.a4 h4 23.gh4 Qh4 24.f3 g6 25.Qf2 Qf2 26.Kf2 a6 27.Rb1 a5 28.e4 Kg7 29.e5 Nh5 30.Ne2 g5 31.h4 f6 32.ef6 (32.hg5!? fg5 33.Rbc1+=) 32...Kf6= 33.hg5 Kg5 34.Rg1 Kf6 35.Rh1 Rh8 36.Rh4 Kg7 37.Bh3 Nf6 38.Rh8 Rh8 39.Nf4 Bc8 40.Rg1 Kf7 41.Bc8 Rc8 42.Ng6 Rg8 43.Ne5 Ke6 44.Re1 Kd6 45.Rh1 Rf8 46.Rh6 Kc7 47.Ke3 Ne8? (better is 47...Kd6=) 48.Rh7+– Kc8 (better is 48...Kd6+–) 49.Nd7 Rg8 (49...Rf5 50.Nb6 Kb8 51.Rh8+–) 50.Nb6 Kb8 51.Nd5 Nd6 52.Ne7 Rg1 53.Nc6 Kc8 54.b6 (54.b6 Rg7 55.Rg7 Nf5 56.Ke4 Ng7 57.Na5+–) 1–0. Carbonell Bofill,Carlos Eloy (2225) – Agudo Tena,Angel (2065), Mislata op, 2004. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 Be7 5.e3 0-0 6.c4 b6)

7.Bf6 gf6 8.cd5 Qd5 9.d4 +=.

7.Bf6 Bf6 8.d4 c5 9.Nc3 cd4 10.Nd4 Bd4 11.Qd4= dc4?? 12.Qe4+– Qc7 13.Qa8 Nc6 14.Nb5 Qe5 15.Qc6 Qa1= 16.Ke2 Rd8 17.Kf3 Qf6= 18.Ke2 Qb2 19.Kf3 Qf6 ½–½. S – tossubanaani, ChessWorld.net, 2005.

8.c5 bc5 9.bc5= Ne4 10.d4 Nc6 11.Nbd2 Nd2 12.Nd2 Bf6 13.f4 Qc8 14.Bd3 g6 15.h4 Ba6 16.h5 Bd3 17.Qd3 a5 18.Bc3 Bg7 19.Rb1 Qa6 20.Qa6+/– Ra6 21.Rb7 Rc8 22.hg6 hg6 23.Ke2 a4 24.g4 g5 25.Nf3 gf4 26.ef4 Raa8 27.Kd3 Nd8+= 28.Rb2 Rcb8 29.Rhb1 Rb2 30.Rb2 Kf8 31.Be1 Bf6 32.f5 ef5 33.gf5 Nc6 34.Rb7 Ra7= 35.Rb5 Ke8 36.Bg3+= Kd7 37.Be5 Be5 38.de5 Ra8 39.Ke3 Rh8 40.Rb1+= Rg8 41.Rd1 Ne7 42.f6 Nc6 43.Kf4 Rg2 44.Rd5 Ke6+= 45.Rd1 Rf2 46.Ke3 Ra2 47.Kf4 Rf2= 48.Kg3 Re2 49.Kf4 Rf2 50.Kg3 Re2 51.Kf4 ½–½. Laco,G (2140) – Frumson,Y (2315), XVI WSen, Arvier ITA, 2006. (=1.c4 e6 2.Nf3 d5 3.e3 Nf6 4.a3 Be7 5.b4 b6 6.Bb2 0-0)

8.c5 h6 9.Bf6 Bf6 10.d4 c6 11.Nbd2 Nd7 12.Rc1 Re8 13.Be2 b5 (13...bc5 14.dc5 a5 15.0-0+=) 14.0-0 a5 15.a4 ba4 16.b5 e5 17.de5 Ne5 18.Qa4 Qc8 (18...Nf3 19.Nf3 (worse is 19.Bf3 cb5 20.Qb5 Ba6-/+) 19...Re4 20.Qa3=) 19.Ne5 (19.Nd4 Re7+/–) 19...Be5 20.Nf3 Bf6 21.Rfd1 Re4 22.Nd4 Bd4 23.Rd4 Rd4 24.ed4 Qe8 25.Bf1 Qe6 (25...cb5 26.Bb5 Qe4 27.Bd7+/–) 26.g3 (26.b6 Qe7+/–) 26...h5 27.bc6 (27.b6!?+/–) 27...Bc6= 28.Bb5 Bb5 29.Qb5 a4 (better is 29...h4!?=) 30.c6+/– a3 31.c7 a2?? (better is 31...Rc8 32.Qa5 Qe4 33.Qa3 Qd4+–) 32.Qb8+– Qc8 33.Qa8!! Qa8 (33...Qa8 34.c8Q Double attack (34.c8Q Decoy)) 34.c8Q Qc8 35.Rc8 (35.Rc8 Kh7 36.Ra8+–) 1–0. Catricicau,Claudiu (1875) – Arsenie,Marian, Slanic Moldova ROM, 1st Div (m), 2011. (=1.a3 d5 2.c4 e6 3.e3 Nf6 4.b4 Be7 5.Bb2 0-0 6.Nf3 b6)

8.d3 Nbd7 9.Nbd2 c5 10.b5 a6 11.a4 Qc7 12.Be2 ab5 13.ab5 Ra1 14.Ba1 Ra8 15.0-0 d4 (better is 15...Bd6!?+=) 16.ed4+= Bf3 17.Bf3 (worse is 17.gf3 Qf4 18.Ne4 Ne4 19.fe4 cd4+=) 17...Rd8 18.dc5 Bc5 19.h3 Ne5 20.Be5 Qe5 21.Rd1 Qd4 (21...Bd6!?+=) 22.Nb3+/– Qd6 23.Nc5 (23.d4!? Bb4+–) 23...Qc5+/– 24.Qe2 Ne8 25.Bc6 Nd6 26.g3 Nf5 27.Kg2 Nd4 28.Qe4 Nc6 29.bc6 Rc8 30.Rb1 Qc6 31.Qc6 Rc6 32.Kf3 g6 33.Rb5 Kg7 34.h4 h5 35.Ke4 Kf6 36.f4 Ke7 37.Ke5 f6 38.Kd4 Rd6 39.Kc3 Rc6 40.d4 Kd7 41.d5 ed5 42.Rd5 Rd6 43.Rb5 Kc6 44.Rb1 Re6 45.Kd4 Rd6 46.Kc3 Re6 47.Kd4 Rd6 48.Kc3 ½–½. orangutandu – blueshark745, 2013.

8.cd5 Nd5 9.d4 Nc6 10.Bd3+= Nf6 11.0-0 Bd6 12.e4+/– Bf4 13.e5 Nd5 14.Bh7 Kh8 15.Be4 g6 16.Nc3 Bh6. KrustytheClown – Whiterose, ChessWorld.net, 2005.

8.Be2 Nbd7 9.0-0 Rc8 10.cd5 ed5 11.Nc3 c5 12.bc5 bc5 13.Rab1 Qc7 14.Qf5 Rfe8 15.Nb5 Qa5 16.Bc3 Qa4 17.Bd1 Qe4 18.Qe4 Ne4 19.Na7 Ba6 20.Nc8 Bf1 21.Ne7 Re7 22.Kf1 1-0. carlos78 (2400) - midoal (2145), Rated Blitz game, lichess.org.

8.Ng5 Nbd7 9.cd5 Bd5 (better 9...ed5 10.Bb5 Ne4 11.Ne4 de4=) 10.e4+– Ne8 (10...Ng4 11.Nh7 (11.ed5?! Bg5 12.Be2 Nge5+=) 11...Kh7 12.ed5 Kh8 13.Be2+–) 11.Nh7+– (11.ed5?! Bg5 12.de6 Qe7+=) 11...Bb7 (better 11...Bb3 12.Qb3 Kh7+–) 12.Nf8 Nf8 13.Nc3 (13.d4 a5 14.b5 Rc8+–) 13...c5 14.Qd3 (14.b5 Nd6+–) 14...Qc7? (better 14...Qd3!? 15.Bd3 cb4 16.ab4 Bb4+–) 15.bc5 Bc5 16.Qg3 Bd6 (16...Qg3 17.hg3 Rd8 18.Rb1+–) 17.Qf3 Nf6 (17...f5 18.Bd3+–) 18.Nb5 Qe7 (18...Qd8 19.Bf6 gf6 20.Qe3+–) 19.Nd6 (better 19.Bf6 gf6 20.Qe3+–) 19...Be4 (19...Qd6 20.Bf6 gf6 21.Qf6 Be4+–) 20.Ne4 Ne4 21.Qe4 (21.Qe4 Rd8 22.Qe5+–) 1–0. Eskilsson – Operandis, internet, 2020.

8.Ng5 Re8 =.

8.Ng5 g6 9.h4= h6?? (9...Nbd7 10.h5 Nh5 11.Nh7+=) 10.Bd3?? (better is 10.Ne6 Qd7 11.Nf8 Kf8 12.cd5 Bd5 13.Nc3+–) 10...Qe8 (10...dc4 11.Bg6 Nc6+= (11...fg6?? 12.Qg6 Kh8 13.Qh7; 11...hg5 12.hg5 c3 13.Bc3+–)) 11.Rh3 (11.cd5 A) 11...hg5? 12.hg5 ed5 13.Qc7+– (13.Bf6?! Bf6 14.gf6 Nd7+=); B) 11...Bd5 12.Nc3 Bg2+/– (12...hg5 13.Nd5 ed5 14.hg5+–)) 11...hg5 (better is 11...dc4!? 12.Bc4 Bg2+=) 12.hg5+= Ne4?? (better is 12...d4 13.gf6 Bf6 14.Bd4 Bd4 15.ed4 Nc6=) 13.Rh8 1–0. Santana,Cleiton M (1800) – Azevedo Da Silva,Kleriston, 17th Memorial Francisco Alves – Aberto, 2013.

8.Ng5 h6 9.h4?? (better is 9.Bf6!? hg5 10.Be7 Qe7 11.cd5 ed5 12.d4+=) 9...Nbd7 (9...hg5 10.Bf6 gf6 11.hg5-/+) 10.f3 (better is 10.cd5 ed5 11.Nf3+=) 10...g6?? (10...dc4 11.Bc4 A) worse is 11...hg5 12.hg5 Ne4 13.Bd3 Bg5 14.Be4 (14.fe4?! a5=) 14...Be4 15.Qe4+/– (15.fe4?! Bh4 16.Kf1 Bg3=); B) 11...a6-/+) 11.Ne6+– fe6 12.Qg6 Kh8 13.Qh6 Kg8 14.Qg6 Kh8 15.Bd3 Rf7?? (15...e5 16.Bf5 Bb4 17.Qh6 Kg8 18.Be6 Rf7+–) 16.Qf7 Qg8 1–0. combijack (1745) – bowserreborn (1630), gameknot.com, 2012.

8.b5 Nbd7 9.d4 Bb7 10.Nbd2 cd4 11.ed4 Ne4 (11...dc4!? 12.Bc4 Rc8=+) 12.Ne4= de4 13.Nd2 e3 (13...f5 14.Be2=) 14.fe3+= Bh4 15.Ke2 Qg5 16.Nf3 Qh5 17.Kd2 Bf3 18.gf3 Qf3 19.Be2 Qh3 20.Rag1 (better is 20.Qe4 Bg5 21.Qf3+/–) 20...Bf2-/+ 21.Qe4 Bg1 22.Rg1 Rfe8 (22...Qh2?! 23.Rh1 Nf6 24.Qa8 (24.Rh2? Ne4 25.Ke1 f5–+) 24...Qe2 25.Ke2 Ra8 26.c5=) 23.Qf4 Qf5 (better is 23...e5!? 24.Qg4 Qg4 25.Bg4 Rad8-/+) 24.Qf5+= ef5 25.Bd3 Nf6 (25...Rad8 26.Rg3=) 26.Bf5 Rad8 27.d5 Nd5 (27...Rd6 28.Bd4+=) 28.cd5+/– (< 28.Rg7 Kf8 29.cd5 Rd5 30.Bd3 Red8 31.Rh7 Rd3 32.Kc2 Rd2 (32...Re3?! 33.Bf6 Re2 34.Kb3 Re3 35.Kc2 Re2 36.Kb3 Re3 37.Kc2=) 33.Kb3 R8d3 34.Kc4 Re3-/+) 28...Rd5 29.Bd3 Red8 30.Bd4 (30.Rg7 Kf8 31.Bd4 Rd4 32.ed4 Kg7-/+) 30...g6 31.Kc3 Rc8 32.Kb4 Rh5 33.Rg2 Kf8 34.Rf2 f5 35.a4 Rh4 36.a5 ba5 37.Ka5 Rc7 38.Ra2 Ke7 39.Ka6 g5? (better is 39...Rd7+–) 40.Bf5 Rh6 41.Ka5 Kf7 42.Rg2 Rc1 43.h3 Rh5 44.Ba7 Ra1 45.Kb6 Rh6 46.Kb7 Ra5 47.Bd7 Ke7 48.Bc6 Rh3 49.Bb6 Ra1 50.Rg5 Rc1 51.Bd4 Rh2 52.Kc7 h5 53.b6 (53.b6 Rhc2 54.Rc5 Rc5 55.Bc5 Rc5 56.b7+–) 1–0. Klasmeier,Hartmut (1990) – Rosskothen,Arnd (2180), NRW Class1, 2004.

8.bc5 bc5 9.Nc3 Nc6 =.

8.bc5 bc5 9.Bd3 Nc6 10.cd5 (10.Nc3 Rb8 11.Rb1 d4=) 10...ed5+= (worse is 10...Qd5 11.Nc3 Qh5 12.0-0+/–) 11.0-0 Bb7 (11...g6!?+=) 12.Bf6= Bf6 13.Nc3 g6 14.Rab1 Rb8 15.Qa4 Bc3 (15...Qd6!?+=) 16.dc3= Qf6 17.Rfd1 Ba8 18.Rb8 Rb8 19.Bb5 Rc8 20.Qa6 (worse is 20.Rd5 Nd4 21.Rd4 cd4 22.Nd4 Rc3 23.Qa7 Bd5-/+) 20...Rc7 21.Rd5 (21.Be2 Kg7 22.Qd3 Ne7=) 21...Qc3 (21...Bb7 22.Qa4 Nd4 23.Rd4 cd4 24.Qa7 Qe7 25.Nd4 Rc3–+) 22.h4 (22.Qa4 Kg7 23.Rd3 Qf6=) 22...Kg7= 23.Rd3? (better is 23.Rg5=) 23...Qa1–+ 24.Kh2 Ne5 (24...c4 25.Bc4 Ne5 26.Bd5 Nd3 27.Qd3–+) 25.Qd6-/+ Nd3 26.Qc7 Nf2 27.Bc4 Qf6 28.Qc5 Bf3 29.gf3 Qf3 30.Qd4?? Kh6 31.Qf4-/+ Qf4 32.ef4 f5 33.Be2 Ne4 34.Kg2 Nc3 35.Bf3 a5–+ 36.Kf2 Nb5 37.Be2 Nc3 38.Bf3 Kg7 39.Ke3-/+ Nb5 40.a4 Nc3 41.Bc6 Kh6 42.Kd3 Na4 43.Ba4+= Kh5 44.Ke3 Kh4 45.Kf3 Kh5 46.Bb3 Kh6 47.Ke3 Kg7 48.Kf3 Kf6 49.Ke3 Ke7 50.Kd4 ½–½. Kozul,Z (2590) – Sosonko,G (2515), Bled op A, 1997. (=1.Nf3 d5 2.e3 Nf6 3.c4 e6 4.a3 Be7 5.b4 0-0 6.Bb2 b6)

8.bc5 bc5 9.Bd3 d4 10.ed4 Bb7 11.d5 ed5 12.Nc3 dc4 13.Bc4 Bf3 14.gf3 Nc6 15.Ne2 Rb8 16.Bc3 Bd6 17.0-0 Nd4 18.Bd4 cd4 19.Rab1 Qc7 20.Nd4 Bh2 (20...Ba3 21.Ne6 Qe5 22.d4=) 21.Kg2 Bf4 22.Rb8 Rb8 23.Re1 g6 24.Qc3 Kg7 25.Ba2 Rc8 26.Qc7 Rc7 (worse is 26...Bc7 27.Re7 Bb6 28.Rf7 Kh6 29.Ne6+=) 27.d3 Rd7 28.Nc6 Nh5 29.d4 Bc7 30.Re7 Nf4 31.Kf1 Re7 32.Ne7 Bd6 33.Nc6 Ba3 34.Na7 h5 35.Nc6 h4 36.Ne5 Bb2 37.Nf7 ½–½. Sigurdsson,Johann (2080) – Stilman,Eduardo (2085), RA–2011–0-00121, 2011. (=1.Nf3 Nf6 2.b4 e6 3.a3 b6 4.e3 d5 5.Bb2 Be7 6.c4 0-0)

8.bc5 bc5 9.cd5 ed5 (worse is 9...Nd5 10.Nc3+=) 10.Be2 Ba6 (10...Nc6 11.Nc3+=) 11.Ba6= Na6 12.0-0 Rb8 (12...Re8 13.Nc3=) 13.Be5+= Bd6 14.Bf6 (14.Nc3 Be5 15.Ne5 Qd6=) 14...Qf6= 15.Nc3 Rfd8 (15...Nc7 16.Rab1=) 16.Qa4 (16.Nd5 Bh2 17.Nh2 Rd5=) 16...c4 17.Nd5 (17.Qa6?? Bh2 18.Kh2 Qa6–+) 17...Bh2 18.Nh2 Rd5 19.Qc4 Rd2 20.Rad1 Rdb2 (20...Rd6 21.Rd6 Qd6 22.Rc1=) 21.Ng4 (21.Rd7 Qe6 22.Qe6 fe6 23.Ra7 Nc5+/–) 21...Qf5 (21...Qe6!? 22.Qe6 fe6+=) 22.Rd5+= Qe6 23.Rfd1 Rb1 24.Rb1 Rb1 25.Kh2 Rb8 26.Qd4 Qe7 (better is 26...Qb6!?+=) 27.Ne5+– Qg5 (27...Re8 28.Rd7 Qe6 29.Nf7+–) 28.Nf7! Qg6? (28...Kf7 29.Qa7 Double attack (29.Rg5 Discovered attack; 29.Rd7 Deflection)) 29.Ng5 Qe8 (29...Nc7 30.Qa7 Qh5 31.Kg3 Re8 32.Qc7 h6+–) 30.Rd7 Qh5 31.Nh3 Qg6 32.Rd6 (32.Rd6 Qf5 33.Ra6+–) 1–0. Barbarickiy,Yuri – Matvienko,Ivan, Championship Salekhard, 2007.

8.cd5 Nd5 9.Nc3 cb4 10.Nd5 Qd5 11.ab4 Bb4 12.Bg7 Bd2 13.Nd2 Kg7 14.Be2 Qe5 (14...Qg2?? 15.Bf3 Qg6 16.Qb2 f6 17.Ba8+–) 15.0-0 Bb7 16.Nf3 Qe4 17.Bd3 Qg4? (better is 17...Qb4=) 18.Ra4+– Qh5 19.Qc3 Kg8 20.Qc7 Bf3 21.Qg3 Kh8 22.Rh4 Rg8 23.Qe5 (23.Rh5?! Rg3 24.Rh7 Kg8 25.fg3 f5+–) 23...f6 (23...Rg7 24.Rh5 Bh5 25.Qe4+–) 24.Qf6 (24.Rh5?? Rg2 25.Kh1 Rg3) 24...Rg7 25.Rh5 Bh5 26.Bb5 a6 (26...Bg4 27.Rc1 Nc6 28.Bc6+–) 27.Rc1 (27.Rc1 Nc6 28.Bc6+–) 1–0. marekt (1750) – zenpath (1815), gameknot.com, 2014. (=1.Nf3 Nf6 2.b4 e6 3.a3 Be7 4.c4 d5 5.e3 0-0 6.Bb2 b6 7.Qc2 c5)

8.Ng5 Nbd7+= 9.cd5 ed5 10.Bb5 h6 11.Bd7 hg5 12.Bc8 (12.Bc6 Rb8+=) 12...Rc8-/+ 13.b5 d4 14.0-0 Re8 15.Qa4 (15.a4 Qd6 16.Qf5 g6 17.Qg5 Ne4-/+) 15...de3 (better is 15...Qd5!?–+) 16.de3-/+ Qc7 (16...c4 17.Rd1 Qc7 18.Bd4+=) 17.Qc4 (17.Nd2 Bd6 18.g3 Be5 19.Be5 Re5+=) 17...Bd6 18.g3 Ne4 19.Qe2 (19.f3 Nf6 20.Bf6 gf6+=) 19...Rcd8 (19...Be5 20.Ra2-/+) 20.Rd1 (20.Nc3-/+) 20...Rd7 (better is 20...Be5!? 21.Ra2 Rd1 22.Qd1 g6-/+) 21.Nd2 Nf6 (21...Nd2!? 22.Rd2 Be7=) 22.Nc4+= Bf8 23.Rd7 (23.h4 Ne4 24.Qg4 Rd1 25.Rd1 gh4 26.Qh4 f6=) 23...Nd7 (23...Qd7 24.Bf6 gf6 25.Nb2=) 24.Rd1 Nf6 25.Qf3 (25.Bf6 gf6 26.h4 Rd8+=) 25...Qe7 26.Ne5 (26.Bf6 gf6 27.Kg2 Qe4 28.Qe4 Re4=) 26...Rd8 (26...Qe6!?=) 27.Rd8+/– Qd8 28.Nc6 Qd5 (28...Qd6!?+=) 29.Qd5+/– Nd5 30.Na7 c4 31.Kf1 c3 32.Bc1 c2 (better is 32...f5!?+/–) 33.Ke2+– Nc3 34.Kd3 Na2 (34...Nd1 35.f3 Bc5 36.e4+–) 35.Kc2 Nc1 36.Kc1 (36.a4!? Na2 37.Nc8 Nb4 38.Kb3 Nd3 39.Nb6 Nc5 40.Kc4 Nb7+–) 36...Ba3+/– 37.Kc2 Bb4 (37...f5 38.Kb3 Bc5 39.Kc4+–) 38.Kd3 g4 (38...Kf8 39.Nc6 Ba3 40.Kd4+–) 39.Nc8 Bc5? (39...Ba5+–) 40.Kc4 f5 41.Na7 (better is 41.Kd5 g5 42.Ke5 f4 43.gf4 gf4 44.Kf4 Kf7+–) 41...g5 42.Nc6 f4 43.Nd4 fe3?? (43...Kf7 44.Kd5 Kf6+–) 44.fe3 Kf7 45.Kd5 Kf6 46.e4 Ke7 47.Nc6 Kd7 48.Ne5 Ke7 49.Ng4 Bg1 50.h3 Kd7 51.Ne5 Ke7 52.g4 Kf6 53.Nc6 White intends e5 53...Bc5 54.e5 Kf7 55.e6 Ke8 56.Ke5 Be3 57.Kd5 Bc5 58.Nb8 Ke7 59.Nd7 Be3 60.Kc6 Ke6 61.Nb6 Ke5 62.Nc4 1–0. Vila Vila,Ricard (1830) – Vega Benitez,Oscar (1700), Santa Eulalia ESP, 3rd Open, 2014.

8.Rb1 a5 9.b5 c5 10.bc6 Bc6 11.cd5 Nd5 =.

8.Rb1 a6 9.d4 a5 10.b5 c6 11.bc6 Bc6 =.

8.Rb1 Nbd7 9.d4 a5 10.b5 Rc8 11.cd5 Nd5 =.

8.Rb1 Nbd7 9.cd5 Nd5 10.Be2 Nc3 11.Bc3 c5 12.Qc2 cb4 13.Bb4 Bb4 14.Rb4 Rc8 15.Qb2 Qf6 16.0-0= Qb2 17.Rb2 Rc7 18.d4 Rfc8 19.Rbb1 Rc2=+ 20.Rfe1 Ra2-/+ 21.h3 Ra3 22.Nh2 Ra2 23.Bf3 Bf3–+ 24.Nf3 Rcc2 25.Rec1 Rf2 26.Rc7 Rg2 27.Kh1 Nf8 28.Rbc1? h6 29.h4? Ng6 30.h5? Nf8 31.Re7? g5 32.Rcc7 Rgc2 33.Ra7?? Rc1 34.Ng1 Ra7 35.Ra7 Nh7 36.Rb7 Rb1 37.Kg2 Nf6 38.Nf3 Nh5 39.Ne5 f6 40.Nd7 b5 41.Nc5 b4 42.Ne6 b3 43.Nc5-/+ b2 44.Nd3 Ng7 45.Kf2 Nf5 46.Ke2 Nd6 47.Rb4 Ne4 48.Rb3 h5 49.d5 h4 50.Nb2 h3 0–1. wlittle (2230) – tomy (2110), net–chess.com, 2004.

8.Rc1 a5 9.b5 c5 10.bc6 Nc6 11.Qb3 dc4 =.

8.Rc1 c5 9.b5 a6 10.d4 cd4 11.Nd4 Nbd7 (11...dc4 12.Qe2-/+) 12.Bd3?? (12.cd5!? Nd5 13.Nd5 Bd5 14.Nc6+=) 12...Nc5 (12...dc4!? 13.Bc4 Bg2+=) 13.0-0 a5 14.Nce2 Rc8+= 15.Ng3 Rc7 16.Bb1 Qc8 17.Nf3 dc4 18.Be5 Rd7 19.Qc2 g6 20.Qc4+= Bf3 21.gf3 Qb7 22.Qf4 Nd5 23.Qh6 Bf6 24.Bd4 Bd4-/+ 25.ed4 Nb3 26.Rc4 Nf6 27.Be4 Ne4-/+ 28.Ne4 Rd4?? 29.Nf6 (29.Nf6 Kh8 30.Qf8 mate) 1–0. Hristov,B (1705) – Ivanov,Vladislav, Varna BUL, 6th Open, 2012. (=1.Nf3 Nf6 2.b4 e6 3.a3 Be7 4.Bb2 0-0 5.c4 d5 6.e3 b6 7.Nc3 Bb7)

8.Rc1 c5 9.bc5 bc5 10.cd5 ed5 11.Na4 Ne4 =.

8.Rc1 Nbd7 9.cd5 Nd5 10.Qa4 Nc3 11.Bc3 c5 =.

8.Qc2 c5 9.bc5 bc5 10.Be2 Nc6 11.cd5 Nd5 12.Ne4 Na5 13.h4 (worse is 13.Nc5 Bc5 14.Qc5 Nb3-/+) 13...f5 14.Neg5 (worse is 14.Nc5 Bc5 15.Qc5 Nb3-/+) 14...Qc8 15.Qa4 Nc6 16.Bc4 h6 17.Bd5 ed5 18.Nh3 Ba6 19.Nf4 Qb7 20.Rd1 d4 (20...Qb2? 21.Qc6 (21.Qa6?! Qb6 22.Qa4 Rfd8+=) 21...Qb7 22.Qe6 Kh7 23.Ng5 Bg5 24.hg5+–) 21.d3 Bf6 22.Nd5 Rad8 23.Nf6 Rf6 24.0-0 Rg6 25.Kh1? (better is 25.Ne1+=) 25...Ne5 26.Qa5 (26.h5 Rg4 (26...Bd3?! 27.Rd3 Nd3 28.Qc4 Rd5 29.hg6 Nb2 30.Rb1 Nc4 31.Rb7=) 27.Qa5 Rd6–+) 26...Rf8 27.e4? Nf3 28.gf3 Qe7 (28...Qe7 29.Qc7 Qc7–+) 0–1. Nasybullina,Alfia (1915) – Vaseptsov,Maxim (2155), Corporation Centre Cup, Izhevsk RUS, 2010. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 Be7 5.e3 0-0 6.c4 b6 7.Nc3 Bb7)

8.d4 a5 9.b5 c6 10.Rc1 dc4 11.Bc4 Nbd7 =.

8.d4 a6 9.cd5 Nd5 10.Bd3 f5 11.Rc1 Bd6 =.

8.d4 c5 9.dc5 bc5 10.bc5 Nbd7 11.cd5 Nd5 12.Be2 Bf6 13.Qd2 Nc3 14.Bc3 Nc5 15.Bf6 Qf6 16.Qd4 Qd4 17.ed4 Nb3 18.Rb1 Bf3 19.Bf3 Rab8 20.d5 ed5 21.Kd1 Nd4 22.Kd2 Nf3 23.gf3 g6 24.Rb8 Rb8 25.Ra1 Kg7 26.a4 Rb4 27.a5 Rh4 28.Rb1 Rh2 29.Ke2 Rh5 30.Rb7 a6 31.f4? d4 0–1. ranzpendang (1615) – lasker (1980), internet, 2007.

8.d4 Nbd7 9.cd5 Nd5 10.Bd3 c5 11.Nd5 Bd5 =.

8.d4 Nbd7 9.Be2 a6 10.0-0 Re8 11.c5 c6 12.Bd3 h6 13.h3 Bf8 (13...a5 14.Qe2=) 14.cb6 Nb6 15.Ne5 Be7 16.Na4 Na4 17.Qa4 Qb6 18.Rfc1 Rec8 19.Bc3 Qc7 20.Qd1 Bd6 21.Qc2 Qe7 22.Rab1 Nd7 23.Rb2 Nf6 24.Rd1 Nd7 25.f4 Nb6 (25...Bc7 26.Rf1+–) 26.Rf1 Nd7 27.Rf3 Nf6 28.Rg3 Ne4 (28...Kh8!?+–) 29.Be4+– de4 30.Nc4 (worse 30.Qe4 c5 31.Qd3 cb4 32.Bb4 Bb4 33.Rb4 Rc1 34.Kh2 Rac8+–) 30...f5 (30...Qc7 31.Nd6 Qd6 32.Qe4+–) 31.d5! g5 (31...cd5 32.Rg7 Double attack (32.Bg7 Discovered attack; 32.Nb6 Decoy); 31...ed5 32.Rg7 Double attack (32.Bg7 Discovered attack; 32.Nb6 Decoy)) 32.Nd6 Qd6 33.de6 Qe6 (33...Rd8 34.Bf6 Qd1 35.Kf2 Qc2 36.Rc2+–) 34.fg5 hg5 (34...Qg6 35.Bf6 h5 36.Qc4 Qf7+–) 35.Rg5 Kf8 36.Qf2 Rc7 37.Qh4 Rf7 38.Rg8!! (38.Rg8 Kg8 39.Qh8) 1–0. Pierre – Drywder, internet, 2019.

8.cd5 ed5 9.d4 a5 10.b5 c6 11.Bd3 Nbd7 =.

8.cd5 Nd5 9.Qc2 a5 10.Nd5 Bd5 11.Bd3 ab4 =.

8.cd5 Nd5 9.Be2 Nd7 10.0-0 c5 11.b5 Bf6 12.Qc2 Qe7 13.d3 Rfd8 14.g3 Ne5 15.Ne4 Nf3 16.Bf3 Bb2 17.Qb2 Rac8 18.Rac1 Rc7 19.Rfd1 Rcd7 20.Qa1 Kf8 21.Bg2 Ba8 (21...f5 22.Nc3+=) 22.d4 f5 23.Nd2 cd4 24.ed4 Nc7 25.Ba8 Ra8 (25...Rd4!? 26.Rc7 Qc7=) 26.Qb2+= Rad8 (26...Nd5!?+=) 27.Nf3+/– Nd5? (better is 27...Rd5!? 28.a4 Kg8+/–) 28.Ne5+– Rb7 (28...Qe8 29.Nd7 Qd7 30.Rc4+–) 29.Nc6 (29.Nc6 Qg5 30.Nd8 Qd8 31.Re1+–) 1–0. Logvinov,Kirill (2015) – Nesterov,Andrey (1960), Anna RUS, Akulov Mem, 2012.

8.Be2 a5 9.b5 c6 10.0-0 dc4 11.Bc4 Nbd7 =.

8.Be2 dc4 9.Bc4 Nbd7 10.d4 c5 11.dc5 bc5 =.

8.Be2 Nbd7 9.0-0 c5 10.bc5 Nc5 11.cd5 Nd5 12.Nd5 Qd5 13.Ne1 Qd7 14.Bd4 Rac8 15.Rb1 Ne4 16.Bb5 Qd5 17.Bd3 e5 18.Rb5 Nc5 19.Bc5 Rc5 20.Rc5 Bc5 21.Qc2 e4 22.Bc4 Qh5 23.a4 Bd6 24.g3 Rc8 25.Qb3 Rc7 26.Ng2 Qc5 27.Bb5 a6 28.Be2 Qb4 29.Qa2 Qa5 30.Qb1 Bb4 31.d3 Qa4 32.de4 a5 33.Nf4 Qc2 34.Bd3 Qb1 35.Rb1 Rd7 36.h4 h6 37.Bb5? Be4–+ 38.Bd7 Bb1 39.Nd5 Bc5 40.Bb5 Bc2 41.Nc3 Kf8 42.Kf1 Ke7 43.Ke2 Kd6 44.Kd2 Bf5 45.f4? Bb4 46.Be2 Be4 47.g4 Kc5 48.g5 a4 49.Bd1 Kc4 50.Ba4 Bc3 51.Ke2 b5 52.Bd1 b4 53.f5 Bf5 54.Kf3 Bd3 55.Kg4 hg5 56.Kg5 b3 57.Bb3 Kb3 58.h5 Bf6 (58...Bf6 59.Kf4 Kc3–+) 0–1. Lo Kin Mun,D (2170) – Sauravh,K (2270), Commonwealth Open, Singapore SIN, 2009. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 Be7 5.e3 0-0 6.c4 b6 7.Nc3 Bb7)

8.Be2 Nbd7 9.0-0 Rc8 10.cd5= ed5 11.d4 c5 12.dc5 bc5 13.bc5 Nc5 14.Rc1 Nfe4 15.Ne4 de4 16.Qd8 Rfd8 17.Rfd1?? (better is 17.Nd4+=) 17...ef3–+ 18.Bf1 (18.gf3 Rd1 19.Rd1 Bc6–+) 18...Ne6 19.Bb5 (19.Rc8 Rc8 20.Rd7–+) 19...Rd1 (worse is 19...fg2 20.Rd8 Rd8 21.Bc6–+) 20.Rd1 Rd8 21.Rc1 Bf6 22.Bf6 gf6 23.gf3 Bf3 24.h4 Rd2 25.Rc7 Nc7 (25...Nc7 26.a4 Nb5 27.ab5 Be2–+) 0–1. Fournier,Frederic (1960) – mogart7 (1945), Active (5/0), 2004.

8.Be2 Nbd7 9.d4 c5 10.bc5 bc5 11.cd5 Nd5 12.0-0 cd4 13.Nd5 ½–½. Svensek,M (2055) – Kovac,M (2130), TCh–SLO East 1st League, Sentjur SLO, 2009.

8.Qc2 A) 8...dc4 9.Bc4 a5 10.b5 c6 11.Nc3 Nbd7 12.Qe2=; B) 8...Nbd7 9.cd5 Bd5 10.Nbd2 c5 11.e4 Bb7 12.dc5=; C) 8...a6 9.Nc3 Nbd7 10.cd5 Nd5 11.Bd3 f5 12.0-0=; D) 8...c6 9.Nbd2 a5 10.ba5 Ra5 11.Bd3 Nbd7 12.0-0=; E) 8...a5 9.b5 dc4 10.Bc4 Bf3 11.gf3 c5 12.dc5=.

8.Nc3 A) 8...Nbd7 9.cd5 Nd5 10.Bd3 a5 11.Nd5 Bd5 12.b5=; B) 8...a5 9.b5 c5 10.dc5 Bc5 11.cd5 Nd5 12.Nd5=; C) 8...c5 9.bc5 bc5 10.dc5 Nbd7 11.cd5 Nd5 12.Be2=.

8.c5 A) 8...c6 9.Bd3 a5 10.Nc3 Ba6 11.0-0 Bd3 12.Qd3=; B) 8...a5 9.Nc3 c6 10.Bd3 Ba6 11.0-0 Bd3 12.Qd3=.

8.Nbd2 a5 9.b5 c5 10.dc5 Bc5 11.Bd3 Nbd7 12.0-0 =.

8.Nbd2 dc4 9.Bc4 a5 10.b5 c6 11.Rc1 Nbd7 12.0-0 =.

8.Nbd2 c6 9.Bd3 Nbd7 (9...a5 10.c5=) 10.0-0+= c5 11.dc5 bc5 12.b5 Nb6 (12...a6 13.a4=) 13.a4 dc4 14.Nc4 Bf3 15.gf3 Qd5 (15...Nfd5!?+=) 16.Ne5+/- Bd6 (16...c4 17.Be2+/-) 17.f4 (17.e4!? Qb7 18.Nc6+/-) 17...Be5+= 18.Be5 (18.fe5 Rfd8 19.ef6 Qg5 20.Kh1 Qd5 21.e4 Qd3 22.Qd3 Rd3 23.fg7 Rb3+=) 18...Nbd7 19.Bb2 Rfd8 (19...c4 20.Be2 Rac8 21.Qd4+=) 20.Be2 (20.Qe2!?+/-) 20...Qf5+= 21.Bf3 (21.Qd3 Qh3 22.f3 Rac8+=) 21...Ne4 (21...Ne5 22.Ba8 Rd1 23.Rfd1+=) 22.Qc2 (better 22.Bg2 Ne5 23.Qc2+=) 22...Ndf6?? (better 22...Ng5 23.Bd1 Nf3 24.Kh1 Qh3 25.Bf3 Qf3 26.Kg1 f6=) 23.Bf6+- Nd2?? (23...Qg6 24.Bg2 Nf6 25.Qg6 hg6 26.Ba8 Ra8+-) 24.Qf5 Nf3 (24...ef5 25.Ba8 Ra8 26.Rfd1+-) 25.Kg2 ef5 26.Bd8 (26.Kf3?! gf6 27.Rac1 Rac8+-) 26...Nd2 27.Ba5 (better 27.Rfd1 Nb3 28.Ra2 Kf8+-) 27...Nc4 (27...Nf1 28.Rf1 f6+-) 28.Bc3 1-0. Shuvalov,Evgenij (2180) - Haas,Michael (2195), Titled Tuesday intern op, 2022.

8.Nbd2 Nbd7 9.Qb3 a5 10.b5=.

8.Nbd2 Nbd7 9.Qb3 c5 10.bc5 dc4 11.Bc4 Rc8 (11...Bf3 12.Nf3 bc5 13.0-0=) 12.0-0+= Qc7 13.cb6 Nb6 14.Bd3 Bd5 15.Qd1 Qb7 16.Rb1 Qd7 (16...Ne4 17.Ne4 Be4 18.Qe2 Bf3 19.gf3+=) 17.Ne5 Qa4 18.Qe2 Nfd7? (18...Ba2 19.Ra1 Bd5 20.e4+/-) 19.Nd7 (19.Bb5 Qa5 20.Nd7 Nd7 21.Bd7 Rc2+-) 19...Nd7? (better 19...Qd7 20.e4 Bb7+/-) 20.Bb5 (20.e4 Nf6 21.ed5 Nd5+-) 20...Qa5 21.Bd7 Rc7 (21...Rc2 22.Bc1 Bg2 23.Kg2 Qg5 24.Kh1 Qd5 25.Qf3 Qd7 26.Rb7+-) 22.Bb5 1-0. jhonores (2240) - Victortheterrible11 (2230), Rated Blitz game, lichess.org, 2020.