5.a4 a5 6.Nc3 Bb4 7.Nf3 Nbd7 8.Ba3 (8.Nd4 Bb7=) 8...Ba3 (8...0-0 9.Bb2=+) 9.Ra3 Qe7 10.Ra1 (10.Qc1 0-0=+) 10...Ne4 (10...e5 11.Be2=+) 11.Ne4 de4 12.Nd4 Bb7 13.g3 (13.Qg4 g6=+) 13...0-0-/+ 14.Bg2 Nf6 (14...e5 15.Nb3-/+) 15.0-0 (15.f4 Rad8=+) 15...g6 (15...e5 16.Ne2=+) 16.Nc6 (16.f4 Rad8=+) 16...Bc6=+ 17.bc6 Qc5 (17...Rad8 18.f3=+) 18.d3 (18.f3 ef3 19.Qf3 Nd5=+) 18...Qc6 (18...Rfd8 19.Qb1=+) 19.de4 (19.Ra3 Qc5 20.Qa1 Rac8=) 19...e5 (19...Rad8 20.Qb1 Ne4 21.Rd1-/+) 20.Qd3 (20.c4 Ne4 21.Be4 Qe4=+) 20...Rfd8 21.Qb3 Rd2 22.Rac1 (22.c4 Rad8 (22...Ne4 23.c5 Kf8 24.cb6 cb6 25.Rac1+=) 23.Qb5 Qb5 24.cb5 Nd7-/+) 22...Rad8 (22...Ne4 23.Be4 Qe4 24.c4-/+) 23.Bf3 (23.Qb2 Qc5-/+ (worse 23...Ne4 24.Qe5 f5 25.Be4 fe4 26.c4=)) 23...h5 (23...Ne4 24.c3-+) 24.Rfd1 (24.Qb2 Re8-/+ (24...Ne4?! 25.Qe5 f5 26.c4=)) 24...Rd1 (24...Ne4 25.Rd2 Rd2 26.Be4 Qe4 27.Qc3-+) 25.Rd1-/+ Rd1 26.Bd1 Ne4 (26...Qe4 27.c4-/+) 27.Bf3 Kg7 28.c4 (28.h4 f5-/+) 28...f5 (better 28...Nc5 29.Bc6 Nb3-+) 29.Qb5?? (better 29.Qc2-/+) 29...Qb5-+ 30.cb5 Kf6 (30...Nc3 31.Kf1-+) 31.Be4? (better 31.Bd1-+) 31...fe4 32.Kf1 (32.Kg2-+) 32...Ke6 33.Ke2 Kd5 34.Kd2 (34.f4 ef3! 35.Kf3 g5-+) 34...Kc4 35.Kc2 Kb4 36.Kb2 Ka4 37.Kc3 Kb5 38.Kb3 c5 39.Kc3 a4 (39...a4-+) 0-1. invictus31 (1620) - ELnggary (1615), lichess.org, 2020.

5.a4 c5 (--> 1.b4 d5 2.Bb2 Nf6 3.a4 e6 4.b5 c5 5.e3 b6).

5.a4 Bd6 6.c4 0-0 7.d4 Nbd7 (7...a6 8.Nc3=+) 8.Qc2 (8.cd5 Nd5 9.e4 Nb4=+) 8...Bb7=+ 9.f3 (9.cd5 Nd5 10.Nc3 Rc8=+) 9...c6 (9...c5 10.bc6 Bc6 11.Nc3-/+) 10.Ba3 (10.Nd2 a6=+) 10...c5-/+ 11.dc5 (11.Bd3 dc4 12.Bc4 Rc8-/+) 11...bc5 (11...Nc5 12.Nd2-/+) 12.Nc3 (12.Nd2 Qc7-/+) 12...a6 13.cd5 Nd5 (worse 13...Bd5 14.ba6 Qc7 15.Nb5 Qa5 16.Qc3 Qa6 17.Nd6 Qd6 18.e4=) 14.Nd5 Bd5 (14...ed5!? 15.Kd1 Re8-/+) 15.e4= Bb7 16.Bd3 (16.Rd1 Be5=) 16...Qb6 (16...Be5 17.Rb1=+) 17.Bb2 (17.Rb1 Qa5 18.Kf2 Rfc8=+) 17...Ne5-/+ 18.a5 (18.Rb1 Nd3 19.Qd3 ab5 20.ab5 Rfd8=+) 18...Qd8 (18...Nd3 19.Qd3 Qb5 20.Qc3-+) 19.Be5 (19.b6!?-/+) 19...Be5-+ 20.Ra3 (20.Ra4 ab5 21.Bb5 Ra5 22.Qc5-+) 20...ab5 21.Bb5 Ra5 22.Rd3 (22.Qb3 Ra3 23.Qa3 Qg5-+) 22...Bd4 (better 22...Qh4 23.Ke2 Rb5 24.g3 Bg3 25.Ra3-+) 23.Bc4 (23.Ba4 Ba6 24.Rd2 Qg5-+) 23...Ba6 (23...Ra1 24.Rd1 Qa5 25.Ke2-+) 24.Ne2?? (24.Rd1-+) 24...Bc4 25.Qc4 Ra1 26.Nc1 Qa5 (better 26...Qg5 27.Rd1 Qe3 28.Qe2 Qc1 29.Rc1 Rc1 30.Qd1 Rd1 31.Kd1 Ra8-+) 27.Ke2 Rb8 28.Nb3?? (better 28.Rhd1-+) 28...Ra2 (better 28...Qa2 29.Nd2 Qc4 30.Ra1 Qd3 (30...Ba1?! 31.Nc4 Bd4 32.f4-/+) 31.Kd3 Ba1-+) 29.Rd2 (29.Nd2 Rb4 30.Qb4 Qb4 31.Rc1-+) 29...Rb3! 30.Ra2 (30.Qb3 Qd2 Mate attack) 30...Qa2 31.Kd1 Rb1 32.Qc1 Qb3 (32...Be3 33.Qb1 Qd2) 33.Kd2 (33.Ke2 Rb2 34.Qd2 Qe3 35.Kf1 Rb1 36.Qc1 Rc1) 33...Rc1 (33...Qe3 34.Kc2 Qc3 35.Kb1 Qb3 36.Qb2 Qb2) 34.Kc1 Qb2 (34...Be3) 35.Kd1 Bc3 36.e5 (36.f4 Qd2) 36…Qd2 0-1. afsharian – ArijanQ, lichess.org, 2018.

5.Nc3 Bd7 6.f4 c5 7.Nf3 Be7 8.Bd3 Qc7 9.g4 (9.0-0!?+/-) 9...h6= (worse 9...Ng4 10.Rg1 h5 11.h3+=) 10.Rg1 a6 11.g5 Ng8? (better 11...hg5 12.fg5 Nh5=) 12.Nd5! ed5 13.Bg7 hg5? (better 13...c4 14.Bh8 cd3 15.cd3 hg5+-) 14.Bh8 c4 (14...g4 15.a4+-) 15.Ng5 cd3 (15...Nf6 16.Be2 ab5+-) 16.Qh5 Bg5 (16...Nh6 17.Nf7 Nf7 18.Rg8 Bf8+-) 17.Rg5 (17.Qg5?! Ne7 18.Be5 Qa7 (18...Qc2?? 19.Bd6 Ng6 20.Qf6+-) 19.cd3 Bb5+-) 17...Ne7 (17...Be6 18.Rg8 Kd7 19.cd3+-) 18.Be5 (18.Be5 Qe5 19.Re5 Bb5 20.cd3+-) 1-0. pcmvr - petre (2480), net-chess.com, 2021.

5.Nc3 Be7 6.a3 0-0 7.g3 (7.Nf3 a6=+) 7...c5 8.Bg2 Bb7 9.d3 Nbd7 10.Nce2 e5 11.Nf3 e4 12.Ne5 Ne5 13.Be5 ed3 14.cd3 Bd6 15.Bd6 Qd6 16.0-0 Rab8 17.Rc1 Rfc8 18.h3 Qd7 19.Nf4 (19.Qb3 Ra8=) 19...d4 (better is 19...Qb5!? 20.Qc2 Qd7–/+) 20.Bb7= Rb7 21.e4 (21.a4 Qd6=) 21...Rbc7 (21...Qb5!? 22.e5 Nd7–/+) 22.a4=+ c4 23.g4 (23.e5 Nd5 24.Nd5 Qd5 25.dc4 Rc4 26.Rc4 Qc4=+) 23...c3 (23...cd3 24.Rc7 Qc7 25.Nd5 Nd5 26.ed5–/+) 24.g5=+ Ne8 25.Nd5 Rc5 26.Kg2 (26.f4!?–/+) 26...Nc7–+ 27.Qf3 (better is 27.Nc7 Rg5 28.Kh2 Qc7 29.f4–+) 27...Nd5 28.ed5 Qd5 29.Qd5 Rd5 30.h4 Rf5 31.f4 Re8 (31...a6 32.ba6 Ra5 33.Rb1 Ra6 34.Rb4–+) 32.Rc2 (32.Rfe1!? Re1 33.Re1 f6–+) 32...g6 33.Rf3 Kf8 34.Kg3 (34.Rf1 f6–+) 34...Rd5 (34...Re1 35.Ra2–+) 35.Kg4 Rd7 (35...f5 36.gf6 Rf5 37.h5–+) 36.f5 gf5 37.Rf5 (better is 37.Kf5 Re1 38.Kg4–+) 37...Rde7?? (37...Re3 38.Rf3 Rde7 39.h5–+) 38.Rf6?? (better is 38.Rd5=) 38...Re2 (better is 38...Re3!? 39.Rh6 Kg7 40.Rd6 Rd3 41.Kf4–+) 39.Re2 Re2 40.Rh6?? (40.Rd6 Re1 41.Rc6 Rd1–+) 40...c2 (better is 40...Re6 41.Rh7 Kg8–+) 41.Rh7?? (better is 41.Rc6–/+) 41...c1Q–+ 42.Rh8 Ke7 43.Ra8 Qg1 44.Kh5 (44.Kf5 Qf2 45.Kg4 Qg2 46.Kf4 Qa8 47.h5 Re3 48.g6 Kf6 49.Kg4 Qf3 50.Kh4 Qf4) 44...Ke6 (44...Re6 45.Ra7 Kd6 46.Rd7 Kd7 47.a5 Qd1) 45.Ra7 (45.Re8 Kf5 46.Re2 Qg4 47.Kh6 Qe2 48.Kg7–+) 45...Rh2 46.Ra6 (46.Rd7 Qd1 47.Kh6 Rh4 48.Kg7 Qd3 49.Rd6 Kd6 50.Kf7 Qf5 51.Kg7 Rh7 52.Kg8 Qf7) 46...Qh1 (46...Kf5 47.Kh6 Qg5 48.Kh7 Rh4) 47.Kh6 (47.Rb6 Ke5 48.Kh6 Rh4 49.Kg7 Rh7 50.Kf8 Qa8 51.Rb8 Qb8 52.Ke7 f5) 47...Rh4 48.Kg7 Rh7 (49.Kf8 Rh8 50.Kg7 Qh7) 0–1. MasterofDisaster – Hamam1, Live Game Caissa's Web, 2004.

5.c4 Bb4 6.a4 (6.Qf3 Nbd7=) 6...a5 (6...a6 7.Qf3=+) 7.Qb3 (7.cd5 ed5 8.Nf3 Bg4=) 7...0-0 8.Bc3 Qe7 (8...c5 9.bc6 Nc6 10.d4=+) 9.Bb4 Qb4 (9...ab4 10.cd5 ed5 11.Nf3=) 10.Qb4= ab4 11.Nf3 c6 12.Nd4 (12.cd5 Nd5 13.bc6 Nc6=+) 12...c5 13.Nb3 e5 14.g3 (14.cd5 Bb7 15.Bc4 Rd8=+) 14...Bf5 15.Bg2 (15.d3 dc4 16.dc4 Be4-/+) 15...Bb1 (15...Bc2!? 16.d4 Bb3 17.de5 Ra4 18.Ra4 Ba4 19.ef6 dc4-+) 16.Rb1-/+ dc4?? (better 16...Ra4 17.cd5 c4-/+) 17.Nc1?? (better 17.Ba8 cb3 18.Rb3+/-) 17...Ra4-+ 18.0-0?! (18.Bf1 b3-+) 18...e4 (18...Ra5 19.Bf3-+) 19.f3 Nbd7 20.fe4 Re8 21.Rf6 (21.Rf4-+) 21...Nf6 (worse 21...gf6 22.Ne2-+) 22.Ne2 (22.d3 Rea8 23.e5 Ra1 24.Ba8 Rb1-+) 22...Ne4 (22...Ra2 23.Rd1 Rd8 24.Bf3-+) 23.Be4 Re4 24.Nf4 g5 (24...Ra2 25.Rd1-+) 25.Nh3 (25.Nd5 Re6-+) 25...Ra2 (better 25...Re5!? 26.Nf2-+) 26.Ng5 Rg4 27.Nf3 c3 28.dc3 bc3 29.Ne5 (29.e4 Re4 30.Rc1 Ree2-+) 29...Rb2 (better 29...c2 30.Rc1 Rb4 31.Kg2-+) 30.Rc1 Rg3 (better 30...Re4 31.Nd7 Reb4 32.Nf6 Kg7 33.Nh5 Kh6-+) 31.hg3+/- c2 (better 31...Rb5 32.Rc3 f6+/-) 32.Nd3?? (better 32.Kf2+/-) 32...Rb1-/+ 33.Kf2 Rc1?? (better 33...c4 34.Rc2 cd3-/+) 34.Nc1+- Kg7 (34...f5 35.e4! fe4 36.Ke3+-) 35.Ke2 Kf6 36.Kd2 Kf5 37.Kc2 Ke4 (37...Kg4 38.Ne2 f5 39.Nf4 Kg3 40.Nd5+-) 38.Kd2 (38.Nd3 Kd5+-) 38...Kf3 39.Ne2 h5 40.Kd3 (40.Nf4 Kg4+-) 40...f5? (40...c4 41.Kd2 c3 42.Kd3 c2+-) 41.Nc3 (better 41.Nf4 Kg3 42.Nh5 Kf3 43.Ng7+-) 41...Kg3+/- 42.Nd5?? (better 42.e4 fe4 43.Ne4 Kg2 44.Nc5+/-) 42...h4-+ 43.Nb6 h3 44.Nd5 h2 45.Nf4 (45.Kc4-+) 45...h1Q 46.Ne2 (46.Kd2 Qa1 47.b6 Qb2 48.Kd3 Qb3 49.Kd2 c4-+) 46...Kf2 47.Nc3 Qf1 48.Kc2 (48.Kd2 Kf3 49.Nd5 Qb5-+) 48...c4 (48...Ke3!? 49.Nd1 Kd4 50.b6-+) 49.Nd1 Ke1 50.Nb2 Qe2 51.Kb1 (51.Kc3 Qd2 52.Kc4 Qb2 53.Kc5 Qc3 54.Kd6 Qe3 55.b6-+) 51...Qe3 (51...c3 52.Nc4 c2 53.Ka2 Qc4 54.Kb2 c1Q) 52.Nc4 Qb3 53.Nb2 (53.Kc1 Qc4 54.Kb1 Qb3 55.Kc1 Ke2 56.b6 Kd3 57.b7 Qc2) 53...Qb5 (53...Kd2 54.Ka1 Kc2 55.b6 Qb2) 54.Kc2-+ Qb2! 55.Kb2 f4 56.Kc2 f3 57.Kd3 f2 58.Ke3 f1Q 59.Kd4 Qe2 60.Kc3 (60.Kd5 Qd3 61.Ke6 Ke2-+) 60...Kd1 (60...Qe4 61.Kb3 Kd2 62.Ka3 Kc3 63.Ka2 Qe2 64.Ka3 Qa6) 61.Kb3 Qd3 62.Kb4 Kc2 (62...Qd5 63.Kc3 Qe4 64.Kb3 Kd2 65.Kb2 Qb4 66.Ka2 Kc3 67.Ka1 Qb2) 63.Kc5-+ Kc3 64.Kc6 Kc4 65.Kc7 (65.Kb6 Qd6 66.Kb7 Kc5 67.Ka7 Qe7 68.Ka6 Kc6 69.Ka5 Qa3) 65...Kc5 66.Kb7 Qd6 (66...Qd7 67.Ka6 Qe7 68.Ka5 Qa7) 67.Kc8 Qe7 68.Kb8 Kc6 69.Ka8 (69.Kc8 Qc7) 69…Qb7 0-1. afsharian (1650) - jep00 (1640), lichess.org, 2018.

5.c4 Qd7 6.Nf3 c6 7.a4 cb5 8.ab5 Bb7 9.Be2 Be7 10.0-0 0-0 11.Qc2 Qd8 (11...dc4 12.Qc4 a6 13.Nc3=) 12.Nc3 dc4 13.Bc4 Nbd7 14.Be2 Nc5 15.d4 Ncd7 16.Rfc1 Bd6 17.h3 Qe7 18.e4 Bb8? (better 18...e5+=) 19.e5 Nd5 20.Nd5 Bd5 21.Ba3 Qd8 22.Bf8 Kf8? (22...Nf8 23.Qc3 f6+–) 23.Qh7 g6 (23...Ke7 24.Qg7 Qf8 25.Qf8 Kf8 26.Rc8 Ke7 27.Rg8+–) 24.Qh8 (better 24.Rc8! Qc8 25.Qh8 Ke7 26.Qc8 Be5 27.Qa8 Bh2 28.Kh2 Ba8 29.Ra7 Bf3 30.Bf3 Kd8+–) 24...Ke7 25.Qh7 Ke8?? (25...Kf8 26.Rc8 Qc8 27.Qh8 Ke7 28.Qc8 Be5 29.Qa8 (29.de5?! Rc8 30.Ra7 Ra8+=; 29.Ne5?! Rc8 30.Ra7 Rd8+–) 29...Bh2 30.Kh2 Ba8 31.Ra7 Bf3 32.Bf3+–) 26.Qh8 Nf8?? (26...Ke7 27.Qh4 Ke8+–) 27.h4 Bc7 (27...Bb7 28.Ng5 Qd4 29.Nh7+–) 28.Ng5 a5 (28...Kd7+–) 29.ba6 b5 (29...Qd7 30.Qg8 Be5 31.de5+–) 30.Nh7 (better 30.Bb5 Bc6 31.Rc6 Kd7 32.Rac1 Qe7 33.Rc7 Kd8 34.Re7 Ke7 35.Qf6) 30...Qe7 (30...Ke7 31.Nf8 Be4+–) 31.Bb5 Kd8 32.Nf8 Kc8 (32...Bc6 33.Bc6 Kc8 34.Ng6 Qd8 35.Ne7 Kb8 36.Rcb1 Bb6 37.Qd8 Ka7 38.Qa8) 33.Ng6 (33.Ne6 Qd8 34.Qd8) 33...Qd8+– 34.Ne7 Kb8 35.Qd8 Bd8 36.Rc8 Ka7 37.Nc6 (37.Bc6 Kb6 38.Nd5 ed5 39.Ba8 Bh4 40.Rb1 Ka5 41.Rc2 Bf2 42.Kf2 Ka6 43.Ra2) 37...Bc6 38.Ra8 (better 38.Rc6 Bb6+–) 38...Ba8 39.Be8 Bh4 (39...f5 40.h5 Bg5 41.Bb5+–) 40.Bf7 Bd5 41.g3 (better 41.f4!? Bc4+–) 41...Be7 (41...Bd8 42.Be8+–) 42.f4 Bb4 43.g4 (43.Kh2 Bc3 44.Ra4 Bd2+–) 43...Bc3 (43...Bd2+–) 44.f5 (better 44.Rd1 Bb2 45.g5+–) 44...Ba1 (44...Bd4 45.Kf1 Bc4 46.Ke1 Ba1 47.Be6 Ba6 48.g5+–) 45.fe6 (45.Be6 Bd4 46.Kh2 Be5 47.Kh3 Bc6+–) 45...Be6? (better 45...Bd4 46.Kf1 Ka6+–) 46.Be6+– Bd4 ½–½. GuestGKDP – srrt, freechess.org, 2017.

5.d3 c6 6.a4 cb5 (6...Bd6 7.Nf3=+) 7.ab5= Bd7 8.d4 Ne4 (better 8...Bb4 9.Bc3 Bd6=) 9.f3?? (9.Bd3!?=) 9...Nd6 (better 9...Qh4 10.g3 Ng3 11.hg3 Qh1-+) 10.Nc3=+ Be7 (10...Nf5 11.Qd2 Bb4 12.Ra4-/+) 11.Ba3 (11.Bd3 Nc4 12.Bc4 dc4=) 11...0-0 12.g4 (12.e4 Qc7 13.Qd3 a6=) 12...Nc4 (12...Qc7!? 13.Bb2 Bh4 14.Kd2 Rc8-/+) 13.Be7 Qe7 14.Qe2? (better 14.Bc4!? dc4 15.Nge2=+) 14...Qb4 (14...Bb5 15.Nb5 Qb4 16.c3 Qb5 17.Qa2-+) 15.Qd3-/+ Bb5 (15...Rc8!? 16.Ra4 Qe7-/+) 16.Rb1=+ Qa5?? (better 16...Nb2 17.Rb2 Qb2 18.Nb5 Rc8-/+) 17.Rb5+/- Qa1 18.Rb1 Qa3 19.Nb5 (19.e4 Rc8 20.Nge2+/-) 19...Qd3? (better 19...Qa5!? 20.Kf2 a6+/-) 20.Bd3+- Nc6 (20...Rc8 21.e4+-) 21.Bc4 dc4 22.Ne2 Rfd8 23.0-0 (23.Na3 e5 24.c3 ed4 25.cd4 Na5+-) 23...h6 (23...a6 24.Nc7 Ra7 25.Ne6 fe6 26.Rb6+-) 24.Nf4 (24.Na3 Na5+-) 24...a6 25.Nc3 (25.d5 Ne7 26.Nc7 Ra7 27.Rb6 e5+-) 25...b5 26.Ne4 (26.Rfd1 g5 27.Nh5 Kf8+-) 26...e5 27.de5 Ne5 28.Nc5 (28.Kf2 Nc6+-) 28...Rd2 (28...Rdc8 29.Nb7+/-) 29.c3 Nd3 (better 29...Kf8!?+/-) 30.Nfd3 cd3 31.e4 (31.Rfd1!? Rd1 32.Rd1 a5+-) 31...Rc2 32.Nd3 Rc3 33.Nb4 g5 (33...a5 34.Nd5 Rc5 35.Kf2+-) 34.Nd5 Rc2 (34...Rc5 35.f4+-) 35.Ne3 (35.Rf2 Rf2 36.Kf2 Kg7+-) 35...Rc5 36.Rfd1 Ra7 37.Nd5 (37.Nf5 Rc6+-) 37...Kg7 38.e5 (38.Kf2!? a5+-) 38...Rd7+/- 39.Nf6 (39.Nb4 Rd1 40.Rd1 a5+/-) 39...Rd1 40.Rd1 Re5 41.Nh5 Kg6 (41...Kf8 42.f4 gf4 43.Kf2+=) 42.f4 (42.Rd6 Re6 43.Rd8 Kh7+/-) 42...gf4+= 43.Nf4 Kg5 44.Nd3 Rd5 45.h3 h5 46.gh5 b4 47.Kf2 (47.Nb4 A pinning theme 47...Rd1) 47...b3 48.Ke2 (48.Rg1 Kh6 49.Nf4 Rb5=) 48...a5 49.Rf1 f5? (49...Rb5 50.Nb2 f5 51.Kd3=) 50.Nf4 (50.Rg1 Kh6 51.Rg6 Kh7 52.Rb6+/-) 50...Rb5 (better 50...Rd6=) 51.Ke3 (better 51.Ne6!? Kh5 52.Nd4+=) 51...a4 (better 51...b2 52.Rb1 a4-/+) 52.Kd4?? (better 52.Rg1 Kh6 53.Kd3=) 52...b2-+ 53.h4 (53.Rb1 Kf4 54.h6 a3-+) 53...Kh6 (53...Kh4?! 54.h6 b1Q 55.Rb1 Rb1 56.h7-+) 54.Rb1 (54.Ne2 b1Q 55.Rb1 Rb1 56.Nc3 Rb4 57.Kd5-+) 54…a3 (54...a3 55.Nd3 a2 56.Rb2 a1Q-+) 0-1. Delboy Smith (1840) - Mr.Oldenslo (1810), ChessWorld.net, 2018.

5.Bd3 a6 6.a4 =.

5.Bd3 Bb7 6.Be5 (6.Nf3 a6=) 6...c5 7.bc6 (7.Nf3 Nbd7=+) 7...Nc6 8.Bg3 (8.Bb2 e5=+) 8...Bd6 9.Bh4 (9.Nc3 0-0–/+) 9...0-0 10.Nf3 Ne5 (10...e5!? 11.Be2 d4–/+) 11.Ne5= Be5 12.c4?? (better is 12.c3=+) 12...Rc8 (12...Ba1 13.Qc2–+) 13.cd5?? (13.Nc3 dc4 14.Bf1–+) 13...Ba1 14.de6 (14.f3 Qd5 15.Bf6 Bf6–+) 14...Be5 (better is 14...Qd3!? 15.e7 Rfe8 16.f3–+) 15.0-0 (15.Bf5 Bg2 16.f4–+) 15...Qd3 16.e7 (16.f4 Bb2 17.Nc3 Bc3 18.dc3 Qe3 19.Bf2 Qe4–+) 16...Qe4 (better is 16...Rfe8 17.f4 Bb2 18.Kf2–+) 17.ef8Q Rf8 18.f3 Qh4 (19.f4 Bb2–+) 0–1. pinecrest1981 – bueno, Live Game Caissa's Web, 2005.

5.Be2 Bb7 6.Nf3 (--> 5.Nf3 Bb7 6.Be2).

5.Be2 Bc5 6.g4 (6.Nf3 a6=) 6...Nbd7 (6...0-0 7.g5 Nfd7 8.Nf3=+) 7.g5= Ne4 8.d3 Ng5?? (8...Nd6 9.a3 Nf5 10.e4 Qg5 11.Nf3-/+) 9.Bg7?? (better 9.h4+-) 9...Rg8=+ 10.Bc3 Be7?? (10...Bb7 11.d4 Bd6 12.Nd2=+) 11.Nf3?? (better 11.h4 Bb7 12.hg5+-) 11...Bf6 (11...Nf3 12.Bf3 a6 13.ba6 Ba6 14.Nd2=+) 12.Bf6 Qf6 13.Rg1?? (better 13.d4=+) 13...Qa1 (better 13...Nf3 14.Bf3 Rg1 15.Kd2 Rd1 16.Bd1 Qa1-+) 14.Ng5 Qa2 (14...h6!? 15.Nf3 Rg1 16.Ng1 Qa2 17.c4-+) 15.Bh5 Qa5 16.c3 (16.Kf1 Ke7 17.c4 a6-+) 16...Rg7 (16...Ke7!? 17.Bf7 Rg5 18.Rg5 Kf7 19.Qh5 Ke7 20.Qh7 Kd6 21.Nd2 Qc3 22.Qf7-+) 17.Bf7 Rf7?? (17...Ke7 18.Be6 Qb5 19.Bd7 Bd7 20.Rg3-+) 18.Nf7?? (better 18.Qh5 Ne5 19.Nf7+/-) 18...Kf7-+ 19.Qh5 Ke7 20.Qh7 (better 20.Qh4 Kd6 21.Qf4 Kc5 22.Qc7 Kb5 23.Rg4-+) 20...Kd6 21.d4 Bb7 (21...Qb5 22.Qc2-+) 22.Qf7? (22.Qd3-+) 22...Qa2 (better 22...Qb5 23.Nd2 Rf8-+) 23.Nd2 (23.Qf4 e5 24.Qh6 Ke7 25.Rg7 Ke8 26.Qe6 Kd8 27.Qd7) 23...Qa1-+ 24.Ke2 Qg1 25.Qf4 Ke7 26.Nf3 Qg7 27.Ne5 (27.Qc7 Qg4 28.h3 Qh5-+) 27...Qf7 (better 27...Ne5 28.de5 a6-+) 28.Qg5 (28.Qg5 Qf6 29.Qf6 Nf6 30.f3-+; 28.Qf7 Kd6 29.Qd7) 1-0. anotherheaven (1730) - Bogen (1690), lichess.org, 2015.

5.Be2 c6 6.Nf3 cb5 7.Bb5 Bd7 8.Be2 Bc5 9.0-0 0-0 10.d4 Bd6 11.c4 dc4 12.Bc4 a6 13.Qb3 (13.Ba3 Bc6=) 13...b5 14.Be2 Nc6 15.Nbd2 Na5 16.Qc2 (16.Qd3 Bc6=) 16...Rc8 17.Qd3 (17.Qb1 Rc7=) 17...Bb4 (17...Nc4!? 18.Bc3 Nd2 19.Bd2 Bc6=+) 18.Rac1 Rc7 (18...Qe7 19.a3 Bd6 20.Ne5=) 19.Rc7 Qc7 20.Ne4 (20.Rc1 Qd6+=) 20...Ne4= 21.Qe4 Qd6 22.Ng5 g6?? (better 22...f5 23.Qh4 h6=) 23.Qh4+- h5 24.e4 (better 24.Bh5 Qe7 25.Bg6+-) 24...Kg7 (24...Nc4!? 25.Bc4 bc4=) 25.d5 Kh6?? (better 25...e5+/-) 26.de6 (better 26.Bh5 e5 27.Bg4 Kg7 28.f4 Qb6 29.Kh1+-) 26...Be6+/- 27.Ne6 Qe6 28.Qf6 White prepares the advance e5 (better 28.Bf6 Rg8 29.e5+/-) 28...Qf6= (28...Qe4 29.Qg7 Kg5 30.f4 Qf4 31.h4 Kh4 32.Rf4 Kg5 33.Rf5 Kh4 34.Qf6 Kg3 35.Be5) 29.Bf6 Nc4 30.e5 Re8 31.Bc4 bc4 32.Rc1 Bd2 (better 32...Rc8=+) 33.Rc4+/- 1-0. anotherheaven (1650) - aron20, lichess.org, 2015.

5.f3 Be7 6.Nc3 0-0 7.Bd3 c6 8.f4 cb5 9.Nb5 Bd7 10.Nf3 Bb5 11.Bb5 a6 12.Bd3 b5 13.a4 b4 14.Qe2 a5 15.Nd4 Bc5 16.0-0 Bd4 17.Bd4 Nc6 18.Bb2 d4 19.Qf2 de3 20.Qe3 Nd5 21.Qg3 g6 22.f5 ef5 23.Rf5 Qc7?? (better is 23...Rb8+=) 24.Qc7+– Nc7 25.Rc5 Ne6 26.Rc6 Nf4 27.Bc4 Rac8 28.Rc8 Rc8 29.Re1 h6 (29...Kf8 30.d3 Ne6 31.c3+– (worse is 31.Be6 fe6 32.Re2 Ke7+–)) 30.Re7 Rc4 (30...g5 31.Bb3 Rf8+–) 31.Re8 Kh7 32.Rh8 1–0. Heini – chessenemy, internet, 2016.

5.Qf3 Nbd7 6.g3 (6.Nc3 Bd6+=) 6...Bb7 7.Bg2 (7.Nc3 Bd6+=) 7...Rb8 (7...a6 8.c4–/+) 8.Qf4 (8.Qe2 c6+=) 8...Bd6 9.Qh4 0-0 (9...a6 10.ba6 Ba6 11.d3+=) 10.Ne2 (10.Nf3 a6+=) 10...Be7 (10...a6 11.a4+=) 11.0-0 (11.Nd4 Ra8+=) 11...Nc5 (11...a6 12.a4+=) 12.Qd4 (12.Ba3 a6=) 12...Ncd7 (12...a6 13.a4+=) 13.Nbc3 (13.Qh4 c6+=) 13...c5 (13...a6 14.f4+=) 14.bc6 Bc6 Black begins to deal mighty blows 15.a3 (15.f4!?+=) 15...e5–/+ 16.Qd3? (16.Qh4 Ne4! 17.Qh3 Nd2 18.Rfd1+=) 16...e4–+ 17.Ne4 de4 (worse is 17...Ne4 18.Nd4 Bb7 19.Qe2–+) 18.Qd4 Bc5 19.Qc4 b5 (19...Rc8 20.Qb3–+) 20.Qd4 (20.Qc3–+) 20…Bd4 (20...Bd4 21.Nd4 Qc7–+) 0–1. Fischer,D/Breterni – Hroch, corr ICCF EU–II–768, 1981.

5.Nf3 a5 6.a4 Bd7 7.Be2 Be7 8.0-0 c5 (8...0-0 9.Ne5=) 9.Ne5 (9.c4 0-0+=) 9...0-0 10.c4 dc4 (10...Qc7 11.Na3+=) 11.Bc4 Ra7 12.f4 (12.d4 Rc7+=) 12...Nd5 (12...Bc8 13.Nc3+=) 13.Nc3 (13.e4 Nb4+=) 13...Nb4 (13...Bc8 14.Qg4+=) 14.Ne4 (14.Qg4+–) 14...Be8 (better 14...Bc8!?+=) 15.f5+– ef5 (better 15...f6!? 16.Be6 Kh8 17.Ng6 Bg6 18.fg6 Nd3+–) 16.Rf5+– Kh8?? (16...Nd7 17.Qg4 Ne5 18.Re5+– (worse 18.Be5 g6 19.Qh3 Nd5+–)) 17.Nf7 (better 17.Bf7 Bf7 18.Nf7 Kg8 19.Nd8 Rf5 20.Qg4+–) 17...Bf7 18.Rf7 (18.Bf7 Nd3 19.Bc3 Bf6 20.Bf6 gf6+–) 18...Rf7+– 19.Bf7 Nd3 20.Bc3 Rd7? (better 20...Nd7+–) 21.Qg4 (21.Be6 Rc7 22.Qg4 Bd6 23.Nd6 Qd6+–) 21...Bf6 22.Bf6 (better 22.Be6 Bc3 23.dc3+– (23.Nc3?! Re7+–)) 22...Rf7?? (better 22...gf6 23.Qe6 Ne5+–) 23.Bd8 Rf1 1–0. GuestMVXP – GuestRCNN, freechess.org, 2018.

5.Nf3 Bb4 6.Be2 0-0 7.0-0 Bd7 8.Ne5 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Bd6 12.f4 Bc8 13.c4 Nfd7 14.Qc2 f6 15.Nf3 Nc5 16.Nc3 Bb7 17.cd5 ed5 18.Qa2 Kh8 19.Nd5 Ne4 20.Bc4 Bc5 21.d4 Bd6 22.Bb2 Nd7 (22...Re8 23.Qb3+–) 23.Qb3 Re8 24.Ra1 Qb8 25.h3 h6 26.Bd3 f5 (26...c5 27.bc6! Bc6 28.Qc4+–) 27.Ne5 (27.Nh4!? Nd2 28.Qa2+–) 27...Be5+– 28.fe5 (28.de5? Ndc5 29.Qc4 Nd3–+) 28...Nf8? (better 28...Ndc5 29.dc5 Nc5+–) 29.Nf4+– Qc8 (29...g5 30.Nd5 Nh7 31.Rc1+–) 30.Qf7 Ne6 (30...Ng5 31.Qf5 Qd8 32.Rf1+–) 31.d5 (31.Ng6!? Kh7 32.Ne7 Re7 33.Qe7 Bd5+–) 31...Nf4 32.e6 Rg8 33.ef4 Bd5 34.Ra8!! Qa8 (34...Qa8 35.Qg6 Combination; 34...Ba8 35.Qg6 Combination) 35.Qg6 (35.Qg6 Qa1 36.Ba1 Nc3 37.Bf5 Ne2 38.Kf2 Be6 39.Qh6) 1–0. DEFFM – GuestNQSY, freechess.org, 2018.

5.Nf3 Bc5 6.Be2 0-0 7.0-0 c6 8.a4 cb5 9.ab5 Bd7 (9...a6 10.ba6 Ba6 11.Bb5+=) 10.c4 dc4 11.Bc4 Qe8 (better is 11...Bc8!?+/–) 12.Bf6+– gf6 13.Nd4 Bd4 (better is 13...a5+–) 14.Qg4 Kh8 15.Qd4 e5 16.Qe4 Nc6 17.bc6 Bc6 18.Qh4 Qe7 19.Rc1 Rg8 20.Bd3 Rg2 (20...e4 21.Rc6 ed3+–) 21.Kf1 Rg7 22.Rc6 Rag8 (22...Qd7 23.Be4+–) 23.Qf6 Qd7 (23...Qf6 24.Rf6 Rg1 25.Ke2+–) 24.Bf5 Qd5 25.Ra4 Qg2 (25...Qb5 26.Rcc4 a5 27.Bh7+–) 26.Ke2 (26...e4 27.Re4+–) 1–0. Trkn – Panos42, ICC, 2004.

5.Nf3 Qd6 6.Bd3 (6.c4 Nbd7+=) 6...Qb4 (6...Nbd7!?=) 7.Ba3+– Qg4 8.Bf8 Qg2?? (better 8...Rf8 9.Nc3 Nbd7+–) 9.Rg1+– Qh3 (9...Qg1 10.Ng1 Kf8+–) 10.Bg7 Rg8 11.Bf6 Rg1 12.Ng1 Qh2 (12...Qh6 13.Be5 Nd7 14.Bg3+–) 13.Qg4 Nd7 (13...Qd6 14.Qg8 Qf8 15.Qh7+–) 14.Qg8 Nf8 15.Nf3 Qh1 16.Ke2 Bb7 17.Ne5 d4 18.Qf7 1–0. GuestQCPJ – GuestKPDC, freechess.org, 2020.

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

5.Nf3 Ne4 6.Nc3 (6.Be2 a6=) 6...Nc3 (6...Bd6 7.Ne4 de4 8.Ne5=) 7.Bc3 a6 8.a4 ab5 (8...f6 9.Nh4 g6 10.a5=) 9.ab5 Ra1 10.Qa1 Bd7? (better is 10...f6!?=) 11.Bg7+/– Bg7 (11...Rg8 12.Bf8 Kf8 13.Qe5+/–) 12.Qg7+– Rf8 (12...Ke7 13.Ne5 Qg8 14.Qh6+–) 13.Bd3 (13.Qh7 c5+–) 13...Qe7 14.Qa1 (14.Qe5 Kd8+–) 14...Qc5 (better is 14...f5!?+–) 15.Ng5 (15.Bh7?! Bb5 16.h4 Nd7+–) 15...Bb5 (15...Rg8 16.Nh7 Kd8 17.Nf6+–) 16.Nh7 (16.Bb5 Qb5 17.Nh7 Nd7+–) 16...Rg8 (16...Bd3 17.cd3 Nd7 18.Nf8 Qf8 19.Qa8 Ke7 20.Qf8 Kf8 21.d4+–) 17.Nf6 (17.Nf6 Kf8 18.Bb5 Qb5 19.Ng8 Kg8 20.h4+–) 1–0. Tyngda – Titlit, internet, 2017.

5.Nf3 Qe7 6.Be2 (better 6.c4+–) 6...Qc5?? (better 6...a6+=) 7.Ba3+– Qa3 8.Na3 Ba3 9.0-0 Nbd7 10.d4 (10.c4 0-0+–) 10...Bd6 (10...a6 11.Ne5+–) 11.c4 dc4 (11...Bb7 12.cd5 ed5 13.a4+–) 12.Nd2 c3 13.Bf3 Rb8 (13...Nd5 14.Ne4 Bb4 15.Qb3+–) 14.Nb1 Nd5 (14...0-0 15.Nc3 h6 16.Qa4+–) 15.e4 N5f6 (15...Nf4+–) 16.e5 Bb4 (16...Ne5 17.de5 Be5 18.Bc6 Nd7 19.Qa4+–) 17.ef6 Nf6 18.Qb3 a5 (18...Bd6+–) 19.ba6 c5 (19...Ba6 20.Qa4 Nd7 21.Qa6+–) 20.a7 Nd5 21.ab8Q 0-0 22.Bd5 ed5 23.Qb6 Bf5 24.dc5 c2 25.Q6b4 cb1Q 26.Rfb1 Bb1 27.Rb1 g6 (27...h6 28.c6 Rc8 29.c7 Kh7 30.Qb7 Rf8 31.Qc2 Kg8 32.c8Q g6 33.Qg6 fg6 34.Qd5 Kh8 35.Qf8 Kh7 36.Rb7) 28.Qd5 Re8 (28...h5 29.Qf4 Kh7 30.Rb7 h4 31.Qf6 h3 32.Qde5 hg2 33.Qg7) 29.Qb8! Rb8 (29...Rb8 30.Rb8 Mate attack) 30.Rb8 Kg7 31.Qe5 Kh6 (31...f6 32.Rb7 Kh6 33.Qg3 g5 34.Qh3 Kg6 35.Qh7) 32.Rb3 (32.f4 f6 33.Qf6 Kh5 34.Qg5) 32...f5 (32...f6 33.Qf6 Kh5 34.Rh3 Kg4 35.f3) 33.Rh3 Kg5 34.Qe7 Kg4 (34...Kf4 35.Rh4) 35.Rh4 1–0. DEFFM – GuestHPZY, freechess.org, 2020.

5.f4 a5 6.a4 Bd6 7.Nf3 0-0 8.Bd3 h5 (8...Nbd7 9.0-0=) 9.Ne5 Bd7 (9...Nbd7!? 10.0-0 Be5 11.fe5 Ng4+=) 10.0-0+– c6 (10...Bc8!?+–) 11.Nd7+– Qd7?? (better 11...Nbd7 12.bc6 Nb8+–) 12.Bf6 gf6 (12...g6+–) 13.Qh5 f5 (13...Re8 14.Qh6 c5 15.Rf3 Bf4 16.ef4 e5 17.Rg3 Qg4 18.Rg4) 14.Qg5 Kh8 15.Qf6 Kh7 (15...Kg8 16.Rf3 Bf4 17.ef4 Kh7 18.Rh3 Kg8 19.Qg5) 16.Rf3 (16.Rf3 Bf4 17.Rh3 Bh6 18.Rh6 Kg8 19.Qg5) 1–0. Pierre – Jamboree, internet, 2020.

5.f4 Bb4 6.Bd3 (6.a3 Bd6=) 6...c6 (6...a6 7.Nc3=+) 7.Nf3 0-0 8.Nc3 (8.a3 Bd6=) 8...cb5 (8...c5 9.a3 Bc3 10.Bc3= (< 10.dc3 c4–/+)) 9.Nb5 Na6 (9...Ne4 10.0-0=) 10.0-0 Bb7 (10...Ne4 11.a3 Be7 12.Ne5=) 11.Ng5 g6 (11...Ne4 12.Qh5 Ng5 13.fg5+/–) 12.Be5 (12.Be2 h6 13.Nf3 Ne4+=) 12...h6 (12...Be7 13.Be2+=) 13.Nf3+= Ng4 (13...Ne4 14.Nbd4 Rc8 15.Bb5+=) 14.Qe1 (14.Bd4!?+=) 14...Ne5 15.fe5 Kg7 (15...Nc5 16.a3 Nd3 17.cd3=) 16.Qg3 Nc5 17.a3 (17.Nd6 Nd3 18.Nb7 Qc7 19.cd3 Qb7+=) 17...Nd3 18.ab4 Nb4 19.Nd6 Rb8? (better is 19...Bc8=) 20.Nd4 a5?? (better is 20...Qd7 21.Rf6 Kg8+–) 21.Rf7! Rf7 22.Ne6 Kh7 23.Nd8 Rd8 (23...Re7 24.N8f7 Rf7 25.Nf7 Nc2 26.Rc1+–) 24.Nf7 Rf8 (24...Rc8 25.Qh3 Kg8 26.Nd6 Rc2 27.Qe6 Kh7 28.Qe7 Kg8 29.Ne8 Rc1 30.Rc1 d4 31.Qg7) 25.Qf4 Nc2 26.Qh6 Kg8 27.Qg6 1–0. pcmvr (2560) – maf (2100), net–chess.com, 2006.

5.f4 Bc5 6.Nf3 Bd7 7.a4 0-0 8.Be2 a6 9.c4 (9.0-0 c6=) 9...ab5 (9...dc4 10.Nc3=+) 10.ab5 (10.cb5 c6=) 10...Ra1 11.Ba1 Bc8 (11...dc4 12.Bc4 c6 13.Nc3=) 12.cd5 ed5 (worse 12...Qd5 13.Bf6 gf6 14.Nc3+–) 13.0-0 Nbd7 14.d4 (14.Nd4 Ne4=) 14...Bb4 15.Qb3 Qe7 16.Ne5 Bb7 17.Nc3 Ra8 18.Bb2 Ba3 19.Bc1 Nf8 20.Bf3 d5 draws heavy fire 20...Qb4 21.Qc2 Ng6 22.g4 Nh4 23.Bh1 Bc1 24.Rc1 Qd6 25.Kf1 (25.g5 Ne8+=) 25...h5 (25...Ra5 26.f5+=) 26.h3 (26.Qf2 Ng6 27.gh5 Ne7+=) 26...Nd7 (26...Bc8 27.g5 Bf5 28.Qf2+–) 27.Qf2 Qa3 28.Ne2 Ne5 29.de5 (29.fe5 Qe7+–) 29...Qe7= 30.f5 g5 31.Qh2 (31.Qg3 hg4 32.hg4 Ra7+=) 31...hg4= 32.hg4 Rc8 (32...Ra2 33.e6 fe6 34.Rc7 Ra1 35.Nc1+=) 33.Nd4+= Kh7 (33...Qb4 34.e6 fe6 35.Qe5 (35.Rc7?! Ra8 36.Rc1 Qa3+=; 35.fe6?! Rf8 36.Kg1 Qa3=) 35...ef5 36.gf5+–) 34.e6+– f6 35.Nf3 Kg7 36.Kf2 c5 37.bc6 (37.Nh4?! Rh8+=) 37...Rc6 38.Rc6 Bc6 39.Nd4 Ba8 (39...Ba4 40.Bd5 Qd8 41.Qh1+–) 40.Qb8 Bb7 41.Qa7 (41.Nb5 Bc6 42.Qb6 Qb4 43.Qa7 Kh8+–) 41...Kf8 42.Qb6 Kg7 43.Qb5 1–0. pcmvr – pierred (2850), net–chess.com, 2015.

5.f4 Bd7 6.Nf3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c5 10.Be5 Ng4 11.Bb2 Be7 (11...Bc8!?+=) 12.Bg7+/– Rg8 13.Bb2 c4 14.Nc3 Bf6 15.Qa1 Bc3 (better is 15...Bc8+–) 16.Bc3 Bb5 17.h3 Nf6 (17...Nh6 18.Bf6 Qc8+–) 18.Bf6 Qc8 19.Qa3 Nc6 (19...Qd7 20.Kf2 Bc6 21.Ne5+–) 20.Nd4 Nd4 (20...Kd7 21.Nb5 Qf8+–) 21.Qe7 1–0. pcmvr – preethan (2135), net–chess.com, 2015.

5.f4 Nbd7 6.Nf3 Bd6 7.Be2 0-0 8.0-0 h6 (8...a6 9.Nc3=) 9.c4 (9.Ne5 a6=) 9...Bb7 (9...a6 10.Ne5=) 10.Nc3 (10.cd5 Nd5 11.Nc3 a6=) 10...Nc5 (10...dc4 11.Bc4 a6 12.a4=) 11.Qc2 (11.d4 Nce4+=) 11...Nce4 (11...dc4 12.Bc4 Bf4 13.Rad1=) 12.cd5 ed5 (12...Nc3 13.Qc3 Bd5 14.Qc2+=) 13.Nd4+= Rc8 (13...a6 14.ba6 Ba6 15.Ba6 Ra6 16.Nd5 Nd5 17.Qe4+/–) 14.a4 (14.d3 Nc3 15.Qc3 a6+=) 14...Nc5 15.Nf5 (15.a5 c6+/–) 15...Qd7 (15...c6!?+=) 16.Nd6+/– Qd6 17.Bf3 (17.a5 c6+=) 17...Rfe8 18.Rfe1 (18.a5 c6 19.a6 Ba8+=) 18...Nfe4 (18...c6 19.bc6 Bc6 20.a5=) 19.Ne2 (19.d3 Nc3 20.Qc3 Qg6+=) 19...Rcd8 (19...c6!?=) 20.Nd4 Bc8 21.Nc6 Rd7 22.Bg4 f5 23.Bf5+– Rf7 24.Be5 Qf8 25.Bg6 Bf5 26.Bf7 Qf7 27.Nd4 Bh7 28.Qa2 Nd3 29.Rf1 Nef2 30.Nf3 Be4 31.Rf2 Nf2 32.Kf2 Qh5 33.Rh1 Re6 34.d3 Bf3 35.gf3 Qh4 36.Kf1 Qh3 37.Qg2 1–0. Devis – Goossens, Beveren, 1995.

5.Bf6 Be7?? 6.Bc3 (better 6.Bg7!? Rg8 7.Bc3 Nd7+-) 6...Bf6 7.Bf6 Qf6 8.Nc3 Bd7 9.a4 Bc8 10.g3 Bb7 11.Bg2 Nd7 12.Nh3 0-0-0 (12...a6 13.0-0+-) 13.Nf4 e5 (13...d4 14.ed4 Bg2 15.Ng2 Qd4 16.a5+-) 14.Nfd5 (14.Ncd5?! Qd6+-) 14...Bd5 15.Bd5 Qd6 16.e4 Nc5 (16...Nf6 17.Bf7 Rhf8 18.Bb3+-) 17.0-0 (17.a5 Qg6+-) 17...Qh6 18.Qf3 f6 19.Ba8 (better 19.a5 Kb8+-) 19...Qd2 20.Nd5 Kb8 21.Ne7 (better 21.Bc6+-) 21...Ka8+/- 22.Rad1?? (better 22.Nc6 Qc2 23.Nd8 Rd8 24.Qg4+/-) 22...Qc2=+ 23.Rd8 Rd8 24.Qh5 (better 24.Nc6!? Rh8 25.Qg4=+) 24...Qe4-+ 25.Qf7 Nd7?? (25...Nd3 26.Rd1 Qe2-+ (26...Qa4 27.Rd3 Qb5 28.Rd8 Kb7 29.Rd1+-)) 26.Rd1 (better 26.Nc6 Rf8 27.Qd7+-) 26...Qc4?? (26...h5 27.Nc6 h4 (27...Qa4 28.Qd5 Rc8 29.Nd8 c6 30.Qd7 Rc7 31.Qc7 Qd1 32.Kg2 Qd5 33.Kh3 Qd8 34.Qd8 Kb7 35.Qd7 Kb8 36.bc6 a5 37.Qb7) 28.Nd8 h3 29.Qd5 Qd5 30.Rd5 Nb8+-) 27.Nc6 (27.Qc4 g6 28.Qc7 a5 29.Nc6 h6 30.Qa7) 27...Qf7-+ 28.Rd7 (28.Nd8 Qe8 29.Nc6-+) 28...Qb3 (better 28...Rd7 29.Kg2 Qc4 30.Ne5 fe5 31.f4 Qe2 32.Kh3 Qh5 33.Kg2 Rd2 34.Kf1 Qd1) 29.Rd8 (29.Rd8 Kb7 30.Rb8) 1-0. atif_zubair - cvjetan23, lichess.org, 2019.

6.c4 Ne4 7.Nf3 (7.Bg7 Rg8 8.Bb2 Bf6+=) 7...Bf6 (7...0-0 8.Qc2=) 8.d4 Bh4 (8...c5 9.Bd3=) 9.g3 (9.Nh4!? Qh4 10.Qc2+=) 9...Bf6 10.Be2 Ng5 (10...c5!?=) 11.0-0 Nf3 12.Bf3 c6 13.Nc3 cb5? (better 13...0-0+/-) 14.cd5+- ed5? (14...a6 15.de6 Ra7 16.ef7 Rf7 17.ab5 ab5+-) 15.Bd5 (better 15.Nd5 Nc6 16.ab5 Bb7 17.bc6 Bc6+-) 15...Be6 (15...b4 16.Nb5 a6 17.Ba8 ab5 18.ab5 Be6+-) 16.Ba8 Bd5 (16...b4 17.Ne4 0-0+-) 17.Nd5 0-0 (17...b4 18.Nb4 0-0 19.Be4+-) 18.ab5 Nd7 19.Ra7 Nc5 20.dc5 bc5 21.Nf6 Qf6 22.Bf6 gf6 (22...g5 23.Qh5 h6 24.Qh6 Ra8 25.Ra8) 23.Qg4+- Kh8 24.Be4 Rg8 (24...f5 25.Qf5 Kg7 26.Qh7 Kf6 27.Qh6 Ke5 28.Re7) 25.Qh5 (25.Qh4 Rg6 26.Bg6 h5 27.Qf6 Kg8 28.Ra8) 25...Kg7 (25...Rg3 26.fg3 f5 27.Ra8 Kg7 28.Qg5) 26.Ra8 (26.Qh7 Kf8 27.Qf7) 26...Ra8 27.Qh7 (27.Ba8 Kf8 28.Rd1 Ke7 29.Qc5 Ke6 30.e4 f5 31.Qd6) 27...Kf8 28.Qh8 (28.Ba8 Ke7 29.Ra1 f5 30.Ra7 Ke6 31.Qf7 Ke5 32.Qe7) 28...Ke7 29.Qa8 Kd6 (29...f5 30.Rd1 fe4 31.Qd8 Ke6 32.Rd6 Kf5 33.Qh4 c4 34.Qh5) 30.Qd5 (30.Rd1 Ke7 31.Qd8 Ke6 32.Qd6) 30...Ke7 31.Bf5 (31.Qc5 Ke8 32.Rd1 f5 33.Bc6) 31...Kf8 32.Qd7 (32.Qd8 Kg7 33.Ra1 c4 34.Ra8 Kh6 35.Qf6 Kh5 36.g4) 32...Kg7 33.h4 (33.h4 c4 34.h5 c3 35.h6 Kh6 36.Qf7 Kg5 37.Qg6; 33.Be6 Kg6 34.Qf7 Kh6 35.Bf5 c4 36.Qg6) 1-0. BeepBeepImAJeep (2545) - alba83, lichess.org, 2017.

6.Nf3 c6 7.Be2 cb5 8.ab5 0-0 9.0-0 a6 10.Nc3 Bb7 11.Nd4 ab5 12.Ndb5 Ra1 13.Qa1 Bc6 14.Nd4 Nfd7 15.Nc6 Nc6 16.Bb5 Nde5? (better 16...Qc7=) 17.d4 Nc4 18.Bc6 Qc7 19.Bb5 Nb2 20.Qb2 Rc8 21.Bd3?? (better 21.Na4+-) 21...Qc3+/- 22.Qc3 Rc3 23.Rb1 Bd8 24.Rb3 Rc8 25.Rb5 h6 26.e4 (better 26.Kf1!?+=) 26...de4=+ 27.Be4 f5 (better 27...Rc4!?=+) 28.Bd3+= g6 29.Re5 (29.Kf1!?+=) 29...Kf7= 30.c4? (better 30.Rb5!?=) 30...Bf6-/+ 31.Rb5 Bd4 32.g3 Bc5 33.Kg2 e5 34.f3 Rd8 35.Rb3 Rd4 Black intends e4 36.h3 Kf6 37.g4 e4 38.fe4 fe4 39.Be2 Rc4?? (better 39...Rd2 40.Kf1 Kg5-+) 40.Kg3?? (40.Bc4 Ke5+-) 40...g5 (40...Rc2 41.Bd3 ed3 42.Rd3 b5-+) 41.Bc4+- Ke5 42.Be2 Kd4 43.Ba6 e3 (43...Kd5 44.Rb1+-) 44.Kf3 Ke5 (44...Kd5 45.Rb1+- (45.Re3?! Be3 46.Ke3 Ke5+-)) 45.Be2 (worse 45.Re3 Be3 46.Ke3 Kd5+-) 45...Kd5 46.Rc3 Kd4 (46...Kc6 47.Rc4+- (47.Re3?! Be3 48.Ke3 Kd5+-)) 47.Rd3 (47.Re3 Kd5 48.Re8 Bd4+-) 47...Ke5 48.Rd8 (48.Re3?! Be3 49.Ke3 Kd5+-) 48...b5 (48...Kf6 49.Rd7+-) 49.Bb5 1-0. Atotheking – NAVALIN, lichess.org, 2019.

6.Nf3 Nbd7 7.c4 0-0 8.cd5 Nd5 9.Be2 Bb7 10.0-0 N5f6 (10...c5 11.Nc3=) 11.Nd4 (11.Qc2 a6+=) 11...Rc8 (11...Nd5 12.Nc3+=) 12.Bf3 Ne5?? (better is 12...Nd5+=) 13.Bb7+– Rb8 14.Nc6 Nc6 15.bc6 (15.Bc6 Qd3+–) 15...Nd5 (15...Qd3 16.Na3+–) 16.Nc3 Nf6 (16...Nb4 17.d4+–) 17.d4 (17.Nb5 Ne8+–) 17...Bd6 (17...a5 18.Nb5+–) 18.Nb5 Ne4 (18...a5 19.Qf3+–) 19.Nd6 (19.Qc2 Nf6+–) 19...Qd6 (19...Nd6 20.Ba3+–) 20.Qf3 (20.Ba3 Qd5 21.Bf8 Rf8+–) 20...Ng5 (20...Nd2 21.Qh3 Nf1 22.Ba3 (22.Kf1?! Qb4+=) 22...Qh2 23.Qh2 Nh2 24.Bf8 Nf3 25.gf3 Kf8 26.f4+–) 21.Qf4 (better is 21.Qg4 Qd5 22.Qf4 Ne4 23.Qc7 Nd2+–) 21...Qe7 (21...Qf4 22.ef4 Ne4 23.Rfe1+–) 22.d5! h6 23.h4 Nh7 24.Rfd1 g5 25.hg5 hg5 26.Qg4 f5 27.Qh5 Nf6 28.Qg6 Qg7 29.Qg7 Kg7 30.de6 Rfe8 31.Rd7 Kg6 32.Rf7 Re6 33.Bf6 Rf6 34.Rf6 (34…Kf6 35.Rd1+–; better is 34.Rc7 Rd6+–) 1–0. FrutiniMalini – truman, Caissa's Web, 2004.

6.a4 ab5 7.cb5 Bd7 8.Nf3 Bd6 9.Be2 0-0 10.d4 c6 (10...Qe7 11.0-0=) 11.Nbd2 (11.Ba3 Ba3 12.Na3 Ne4=) 11...cb5 12.ab5 Ra1 13.Qa1 Qc7 (13...Qe7 14.Qa7=) 14.0-0+= Ne4 (14...Rc8 15.Rc1 Qb7 16.Ba3 Rc1 17.Qc1+=) 15.Rc1 Qd8 (15...Qb7 16.Ne4 de4 17.Ne5+/-) 16.Qa7 (16.Ne4 de4 17.Nd2 f5+/-) 16...Nd2+= 17.Nd2 Qh4 (17...Bc8 18.Ba3 Ba3 19.Qa3+/-) 18.Nf1 (18.Nf3 Qd8+/-) 18...Qd8+= 19.Bf3?? (19.Ba3 Ba3 20.Qa3 Qe8+/-) 19...h6?? (19...Bb5 20.Ng3-/+) 20.e4 (better 20.Be2!?+=) 20...de4 (20...Bb5 21.ed5 ed5 22.Ne3=+ (22.Bd5? Bf4 23.Qa2 Bc1 24.Bc1 Bf1 25.Kf1 Qh4-+)) 21.Be4 (better 21.Be2=+) 21...f5 (better 21...Bb5 22.Bb7 Nd7-/+) 22.Bc6+= Bc6 23.bc6 Qc7 24.Qc7 Bc7 25.g3 (25.d5 ed5 26.Ne3 Rc8 27.Nf5 Bd8+/-) 25...Rd8 26.Ne3 Rd6 (better 26...Rc8!?=) 27.d5+/- ed5 (27...f4 28.Be5 fe3 29.fe3+/-) 28.Nf5 (better 28.Be5 Rc6 29.Rc6 Nc6 30.Bc7+/-) 28...Rc6?? (better 28...Re6+/-) 29.Ne7+- Kf7 30.Nc6 (30.Rc6?! Nc6 31.Nc6 Bd6+-) 30...Nc6 31.Rc6 Bd8 32.Rd6 Bf6 (32...Be7 33.Rd5 g5 34.Bd4+-) 33.Bf6 gf6 34.Rd5 Ke6 (34...Kg6 35.Rb5+-) 35.Rb5 1-0. upep (2135) - nermin007 (1930), Rated Blitz game, lichess.org, 2014.

6.Qf3 =+.

(--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.c4 b6).

6.Nf3 Bd6 7.Be2 Nbd7 8.0-0 0-0 (--> 1. b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0-0 8.0-0 b6).

6.cd5 cd5 7.Nf3 Nbd7 8.d4 Bb7 9.Bd3 Bb4 10.Nc3 0-0 11.0-0 Ne4 (11...Qe7 12.Qa4=) 12.Rc1 (12.Qb3 Qe7=) 12...Rc8 (12...Qe7 13.Qb3=) 13.Qb3+= Qe7 14.Rc2 Nc3 15.Bc3 Rc3 (15...Bd6 16.Rfc1+=) 16.Rc3 Bc3 17.Qc3 Rc8 18.Qb2 h6 (18...Qd6 19.Rc1 Rc1 20.Qc1+=) 19.Rc1+/– Rc1 20.Qc1 Nf6 21.Ne5 Ne4 22.Be4 (22.f3 Nd6+=) 22...de4+= 23.h4 (23.Nc6 Qc7+=) 23...Qd6 (23...g6 24.Qc2=) 24.Qc4 ½–½. Woelfelschneider,Peter – Vance, VCC, 2000.

6.cd5 Nd5 7.a4 Bd7 (7...a6 8.Nc3=) 8.Nf3 cb5 (8...a6!?=) 9.ab5+= 1–0. GuestPRWP – guests, freechess.org, 2018.

6.Nf3 Nc5 7.cd5+= Nd5 8.Bc4 (8.Nc3+=) 8...Qd6 (8...a6!?=) 9.Ne5 (9.0-0 Bb7+/–) 9...Qe7 (9...Nd7!? 10.f4 Bb7+=) 10.d4+/– Nd7 11.Bd5 (11.Nc6!? Qf6 12.e4+/–) 11...ed5+= 12.Nc6 (12.Nc3 A) worse is 12...Ne5 A1) 13.de5?! Bb7= (worse is 13...Qe5 14.Qd5 Qd5 15.Nd5+=); A2) 13.Nd5 Qd7 14.de5+/–; B) 12...Bb7 13.Nd3 Qg5=) 12...Qg5 (12...Qe6 13.Nc3=) 13.Qf3 (13.0-0 Nf6=) 13...Nf6= 14.h3 (14.Ba3 a6=) 14...Bd7 15.Nd2 (better is 15.Ne5=) 15...Bb4?? (better is 15...Bc6 16.bc6 Bb4–/+) 16.Nb4+– a5 (16...Bb5 17.h4 Qg6 18.Nd5 Nd5 19.Qd5+–) 17.ba6 Bb5 (17...0-0 18.a4+–) 18.h4 Qg6 19.Nd5 Bc6 (19...Nd5 20.Qd5 c6 21.Qe5 Kd8+–) 20.Nc7 Kd7 21.d5 Nd5 (21...Kc7 22.dc6 Qg4 23.Bf6 Qf3 24.Be5 Kc6 25.gf3+–) 22.Nd5 Ra6 23.0-0 Qe6 24.e4 g6 25.Bh8 Bb5 26.Rfc1 Ra4 27.Nc7 Qe7 28.Nb5 Qh4 29.Qf7 Kd8 30.Rc8! Kc8 31.Qc7# 1–0. marus1 – tide69, internet, 2001.

6.Nf3 Be7 7.cd5 ed5 8.Nc3 =.

6.f4 Ne4 7.Nf3 Bb4 (better is 7...dc4!? 8.Bc4 a6=) 8.Bg7 Rg8 9.Bc3 (better is 9.Bd4 dc4 10.Qc2+/–) 9...Bb7?? (better is 9...Nc3 10.dc3 Qf6+=) 10.Bb4+– Qf6 (10...dc4 11.Rg1+–) 11.Nc3 Nc3 (11...dc4 12.Rc1 Nd6 13.Kf2+–) 12.Bc3 (worse is 12.dc3 dc4 13.Qc2 a5+–) 12...Qf5 13.Qb1 (13.Nd4!? Qe4 14.cd5 Qd5+–) 13...Qb1 14.Rb1 0-0-0 (14...dc4 15.Kf2+–) 15.Ne5 (15.Ng5 dc4 16.Nf7 Rde8+–) 15...Rgf8 (15...Ne5 16.Be5 dc4 17.Rg1+– (worse is 17.Bc4 Rg2 18.d4 c5+–)) 16.Nd7 Rd7 17.cd5 ed5 (17...Bd5 18.Rb4+–) 18.Bd4 Rdd8 (18...c5 19.bc6! Bc6 20.Rc1+–) 19.Be2 Kb8 20.Rc1 Rc8 21.Rc2 Rg8 22.Kf2 Rge8 23.Rhc1 Re7 24.Be5 Ka8 25.Rc7 Rec7 26.Rc7 Kb8 27.Rc8 Kc8 28.Bd3 Kd8 29.Bh7 Bc8 30.h3 Bd7 31.a4 Bc8 32.g4 a6 33.Bf5 Bb7 34.d4 ab5 35.ab5 Bc8 36.Bc8 Kc8 37.h4 Kd7 38.h5 Ke7 39.h6 Kd7 40.h7 Ke7 41.h8Q (41.h8Q f6 42.Bf6 Ke6 43.Qg7 Kd6 44.Qe7#) 1–0. Djakov,Joao – Primeau,Sylvain, Internet Section, 2004.

(--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 b6).

6.c4 Nbd7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.c4 Nbd7 6.Nf3 b6).

6.c4 a6 7.Nc3=.

6.c4 dc4 7.Bc4+= Bg7 (7...a6 8.Ne5 Bb7 9.0-0+=) 8.0-0 (8.d4 a6+=) 8...0-0 9.d3 (9.d4 a6+=) 9...Bb7 10.Qb3 (10.a4 c5=) 10...Nbd7 (10...Bf3 11.gf3 a6 12.Qa4=+) 11.d4 (11.Nbd2 c5=) 11...Bf3 (11...a6 12.ba6 Bf3 13.gf3=) 12.gf3 Nh5 (12...a6 13.ba6 Nd5 14.Nc3=) 13.Nd2 Re8 (13...a6 14.Ne4+=) 14.Be2 (14.Ne4 Qh4+=) 14...Ndf6 (14...e5 15.de5 Be5 16.Ne4+=) 15.Bd3 (15.Rfc1+=) 15...e5 (15...a6 16.ba6 Nd5 17.Bb5 Qg5 18.Kh1+=) 16.de5 (16.Bc4!? Qe7 17.de5+–) 16...Nd7+= 17.f4?? (better 17.Qc2 Be5 18.Be5 Re5 19.Ne4+=) 17…Nc5–+ (17...Nc5 18.Qc4 Qd3–+) 0–1. Trkn – TDG703, itsyourturn.com, 2000.

6.Bd3 Bg7 (6...a6 7.Ne5=) 7.0-0 0-0 8.Nc3 (8.Ne5 a6=) 8...c5 9.bc6 (9.Be2 a6=) 9...Nc6 10.Nb5 Re8 (10...a6 11.Nbd4 Na5 12.Nb3=) 11.Nbd4 Bb7 (11...Na5 12.Ne5=) 12.Nc6 Bc6 13.Rb1 Rc8 (13...Qe7 14.Be5=) 14.Ba6+= Rb8 (14...Ra8!?+=) 15.Be5+– Ra8 (15...Ne4 16.Bb8 Qb8 17.Qe2+–) 16.Nd4+– Qd7 (16...Bd7 17.Bb7+–) 17.Nc6 Qc6 18.Bb5 Qc5 19.d4 (19.Be8 Re8 20.d3 Rc8+–) 19...Qa3+– 20.Be8 (20.Bf6 Bf6 21.Be8 Re8+–) 20...Ne8 21.Qd3 (21.Bg7 Kg7 22.Ra1 Rc8+–) 21...Qd3 (better 21...Qa2!? 22.Rb3 Be5 23.de5 Rc8+–) 22.cd3+– Be5 (22...f6 23.Bg3+–) 23.de5 Rc8 (23...h6 24.Rbc1+–) 24.Rfc1 (24.Rfc1 Rd8 25.Rc6+–) 1–0. Janek – Murad, internet free game, 2017.

6.Ne5 a6+=.

6.c4 dc4 7.Bc4 Bc5 (7...a6 8.Ne5=) 8.0-0 0-0 9.d4 Be7 10.Nbd2 Bb7 11.Re1 c6 12.a4 cb5 (12...Qc7 13.Rc1+=) 13.ab5 Bd5 (13...a5 14.ba6 Na6 15.Qe2+=) 14.Qb3 (14.Bd3 Bb7+–) 14...Ne4 (14...a6 15.ba6 Na6 16.Ba3+=) 15.Bd5 (15.Ba3 Nd2 16.Nd2 Bb7+–) 15...Qd5+= 16.Qd5 (16.Qd3 Nd2 17.Nd2 Qb7+=) 16...ed5 17.Ba3 (17.Ne4 de4 18.Ne5 Rd8+=) 17...Nd2 (17...Ba3 18.Ra3 a5 19.ba6 Nd2 20.Nd2 Ra6 21.Rea1 Ra3 22.Ra3+=) 18.Nd2+= Ba3 19.Ra3 Nd7 (19...a5 20.Rc1+=) 20.Rea1+– a6? (better 20...Rfc8!?+–) 21.ba6+– Ra7 22.Nf3 (22.Nb1!? b5 23.Ra5+–) 22...Rfa8+– 23.Ne5 Nb8 24.g4 Ra6 25.Ra6 Ra6 26.Rb1 (26.Rc1 Kh7+–) 26...f6 27.Nd3 Nd7 (better 27...Nc6+–) 28.Rb5 (better 28.Nb4 Ra5 29.Nc6+–) 28...Ra5= 29.Rb3 Kf7 30.f4 Ke6 (30...g6 31.f5=) 31.Kf2 (31.f5 Kd6+=) 31...Kd6 32.h4 (32.Kf3 g6=) 32...g6 (32...b5 33.Kf3=) 33.Kf3 (33.f5 Ra2 34.Kf3 g5=) 33...g5 (33...Ra1 34.Rc3 Nb8 35.e4 de4 36.Ke4=) 34.h5+= b5 (34...Ra1 35.e4+=) 35.Nb4 (35.Rc3!? gf4 36.Nb4+= (worse 36.Nf4 b4 37.Rb3 Ra4+=; 36.ef4?! Ra4=)) 35...Nb6= 36.Rc3 (36.e4 de4 37.Ke4 Nc4=) 36...Nc4=+ 37.f5? (better 37.fg5 fg5 38.e4 de4 39.Ke4=+) 37...Ra4–+ 38.Nd3 b4 39.Rb3?? (39.Rc2–+) 39…Nd2 (39...Nd2 40.Ke2 Nb3–+) 0–1. mario1970 (1690) – profipet, gameknot.com, 2016.

6.Be2 Bb7 7.0-0 Be7 8.d4 c6 (8...a6 9.a4=) 9.a4 0-0 10.c4 cb5 (10...Nbd7 11.Nc3=) 11.ab5+= Nbd7 (11...a5 12.ba6 Na6 13.cd5 Qd5 14.Nc3+=) 12.cd5+– Nd5 13.Bc4 N7f6 14.Nbd2 Rc8 (14...Bb4!?+=) 15.Ra7+– Rc7 (15...Qc7 16.Ne5 Ra8 17.Ra8 Ra8 18.e4+–) 16.Qb3+– Qc8 17.Ne5 Nd7 18.Nd7 Qd7 19.Nf3 Bd6 20.Ne5 Be5 21.de5 Rfc8 22.Ra4 Ne7 23.Bd3 Nd5 24.Rd4 Qe7 25.h4 Rd7 (25...f5 26.ef6! Nf6 27.Ba3+–) 26.Ba3 Qd8 (26...Qe8 27.Bc4+–) 27.Rd1 Rc3 (27...Qe8 28.Bc4 Rcd8 29.e4+–) 28.Qb2 (better 28.Qc3! Nc3 29.Rd7 Qe8 30.Rb7 Qc8+–) 28...Rcc7 29.Bc4 Ne7 30.Bd6 Ng6?? (30...Rc8 31.e4 Ng6+–) 31.Bc7 Qc7 (31...Rd4 32.Qd4 Qc7 33.Qd8 Qd8 34.Rd8 Kh7+–) 32.Rd7 Qc4 33.Rb7 Qh4 34.Qc2 Ne5 35.Rb8 (35.Rb8 Qd8 36.Rbd8) 1–0. DEFFM – GuestZHVX, freechess.org, 2019.

6.c4 c6 7.cd5 cd5 8.Qf3 (8.Nf3 Bd6=) 8...Be7 (8...Nbd7 9.d4=+) 9.Bc4 (9.d4!?=) 9...Qc7=+ 10.Bb3 0-0 11.d4 Nbd7 (11...Bb4 12.Kd1–/+) 12.Ne2 e5 (12...Bb4 13.Bc3 Bd6 14.Nd2=+) 13.0-0 e4 14.Qh3 Bd6 15.Rc1 Qd8 16.Ba3 Ba3 17.Na3 Bc8 (17...Qe7 18.Rc7 Rab8 19.Nc2+=) 18.Nf4?? (better is 18.Qg3+=) 18…Nc5!–+ (19.dc5 Bh3 20.Nh3 bc5 21.Rc5 Qd6–+) 0–1. tromar (1770) – NN, GameColony.com, 2002.

6.f3 Bc5 7.g3 (7.a5 Nbd7=) 7...0-0 8.Bg2 h6 (8...d4!?–/+) 9.Ne2= Nh7 10.0-0 f5 11.Nd4 e5? (better is 11...Qe8+=) 12.Ne6+– Qe7 13.Nf8 Qf8 (better is 13...Nf8 14.d4 ed4 15.ed4 Qe3 16.Kh1 Bd6+–) 14.Be5 Bd6 15.Bd4 c5 16.bc6 Nc6 17.c3 Rc8 18.f4 Qf7 19.Qb3 Nd4 20.cd4 Re8 (20...Nf6 21.a5 ba5 22.Ra5+–) 21.Nc3 Nf6 22.h3 Ne4 23.Ne4 fe4 24.Kh2 (24.d3 ed3 25.Qd3 Qe6+–) 24...Qg6? (24...Ba6 25.Rfc1+/–) 25.g4 (25.a5 Bb8+–) 25...h5 (25...Qe6 26.d3 ed3 27.Rad1+– (27.Qd3?! Qe3 28.Qe3 Re3+/–)) 26.Qd1 (26.gh5!? Qh5 27.d3 ed3 28.Qd3 Bc6+–) 26...h4 27.a5 b5 28.a6 Bc8 29.Qb3 Be6 30.Qb5 Rf8 31.Qc6 Bf7 32.Rab1 (32.Qb7 Bb8+–) 32...Kh7 (better is 32...Bf4 33.Rf4 Qc6–+) 33.Rb7 (better is 33.Qd7+–) 33...Be8?? (better is 33...Bf4 34.Rf4 Qc6 35.Rff7 Rf7 36.Rf7 Qa6–+) 34.Ra7 (better is 34.Qd5 Bc6 35.Qc6 Bf4 36.Rf4 (36.ef4?! Qc6 37.Ra7 Qb6 38.Be4 Kh8+/–) 36...Qc6 37.Be4 Qe4 38.Re4 Rf2 39.Kg1 Rd2 40.Ra7+–) 34...Bc6–+ 35.Rb7 (35.Rb1–+) 35...Bb7 36.ab7 Rb8 37.Rb1 Qf7 38.g5 Rb7 39.Ra1 (39.Rf1 Qh5 40.Kg1 Bb4–+) 39...Ra7 40.Rb1 (40.Rf1 Qh5 41.Kg1 Bb4–+) 40...Rb7 (41.Ra1 Bf4 42.ef4 Qf4 43.Kg1 Qd2 44.Kh1 Rb2 45.g6 Kh6 46.Rg1 e3 47.Kh2 e2 48.Kh1 e1Q 49.Kh2 Qg1 50.Kg1 Qg2#; better is 40...Bf4 41.Kh1 Bg5–+) 0–1. MasterofDisaster – BEACHBUM, Live Game Caissa's Web, 2004.

6.Nf3 Bc5 7.c4 c6 (7...0-0 8.d4 Bd6 9.cd5 Nd5 10.Bd3=) 8.Be2 0-0 9.0-0 Re8 10.d4 Bb4 11.Nbd2 cb5 12.cb5 Bd2 (12...Nbd7 13.Qb3 Ba5 14.Bc3+=) 13.Qd2 Qc7 (13...Ne4 14.Qd3+=) 14.Rac1 Qd6 (14...Qd8 15.Qc2+/-) 15.Qc3 Nbd7 16.Ba3 Qb8 17.Qc7 Qc7 (17...Rc8!? 18.Qb8 Rab8+= (worse 18...Rcb8 19.Rc7+-)) 18.Rc7+- Rab8 19.Rfc1 e5 (19...h6 20.Ne5 Ne5 21.de5+-) 20.de5 Ne5 21.Ne5 Re5 22.Bf3 (22.Bb2 Re4+-) 22...g6 (22...Ne8 23.R7c2 Re6+-) 23.Bb2 Re6 24.h4 (24.Bf6 Rf6 25.Rd7 a6 26.ba6 Ba6 27.Bd5 Kg7+-) 24...Kg7 (24...Ne8 25.Rd7+-) 25.g4 (better 25.Rd7 Kf8 26.Bf6 Rf6 27.Rcc7+- (27.Bd5?! Bd5 28.Rd5 a6+-)) 25...h5?? (25...Kg8+-) 26.g5 Rd6 (26...Ree8 27.Bf6 Kg8 28.Rd7+-) 27.Be5 (better 27.gf6 Kg8 28.Re7+-) 27...Kh7 (27...Re6 28.Bf6 Rf6 29.gf6 Kf6+-) 28.Bd6 Ne8 29.Rf7 Kg8 30.Rb7 (30.Rf8 Kg7 31.Rc7 Nc7 32.Rb8 Ba6 33.Bc7 Kf7 34.Bd5 Ke7 35.ba6 b5 36.Be5 Kd7 37.Rb7 Ke8 38.Bf7 Kf8 39.Bd6 Kg7 40.Bd5 Kh8 41.Be5) 30...Rb7 31.Bd5 Kh7 32.Bb7 Nd6 33.Rd1 Nb7 34.Rd7 Kg8 35.Rb7 (35.Rb7 Kf8 36.Ra7 Ke8 37.a5 ba5 38.b6 Kd8 39.Ra8 Ke7 40.b7 Kd6 41.b8Q Kc6 42.Ra6 Kc5 43.Qc7 Kb4 44.Rb6 Ka3 45.Qc3 Ka4 46.Qb3) 1-0. BeepBeepImAJeep (2770) - pierre_1, lichess.org, 2016.

6.Nf3 Bd6 7.Be2 0-0 8.0-0 Re8 9.h3 (9.Ne5 c5=) 9...Nbd7 10.d3 (10.Ba3 Ba3 11.Na3 a6=) 10...e5 (10...a6 11.Ba3=+) 11.Nbd2 d4 (better 11...c5!?=+) 12.ed4+/- ed4 13.Nd4 Bg2? (better 13...Ne5+/-) 14.Kg2+- Nh5 (14...Nd5 15.Bg4 a6+-) 15.Bh5 Qg5 16.Bg4 (16.Qg4 Qd2 17.Qd7 Qf4+-) 16...Qd5 (16...Nf6 17.Nf5+-) 17.N4f3 (17.Qf3!? Qe5 18.Qg3 Qg3 19.fg3 Ne5+-) 17...Ne5 (17...f5 18.Bh5 g6 19.c4+-) 18.Ne4 (better 18.Bf5 Ng6 19.Be4 Qh5+-) 18...Nf3 (18...Ng4 19.hg4 Bf4+-) 19.Qf3 Re4 (19...Kf8 20.c4 Qb7 21.Nd6 Qf3 22.Bf3 cd6 23.Ba8 Ra8 24.a5+-) 20.Qe4 (better 20.de4 Qd2 21.e5 Rd8 22.ed6 cd6+-) 20...Qc5 (20...Qe4 21.de4 Re8+-) 21.Qa8 (21.Qa8 Bf8 22.Ba3 Qa3 23.Ra3+-) 1-0. Abdullaevich (1930) - north_mac_man, lichess.org, 2019.

6.Nf3 Nbd7 7.Be2 Bd6 8.0-0 0-0 9.c4 Qe7 10.d3 (10.cd5 Nd5 11.Na3 a6=) 10...Rfe8 (10...dc4 11.d4=+) 11.Nbd2 a5 12.ba6 (12.cd5 Nd5 (12...Bd5? 13.e4+-) 13.Nc4 e5=) 12...Ba6 (12...Ra6 13.cd5 Nd5 14.d4=) 13.Nd4 (13.cd5 Nd5 14.Ne4 Bb4=) 13...Bb7 14.Nb5 Be5 (14...e5 15.cd5 Bd5 16.Nc4 Bc4 17.dc4=) 15.Qc2 (15.d4 Bd6=) 15...Rec8 (15...Bb2 16.Qb2 Rec8 17.d4=) 16.d4 Bd6 17.Ba3 (17.Bf3 e5=) 17...Ba3=+ 18.Ra3? (18.Na3 c5=+) 18...dc4?? (better 18...c6 19.Raa1 cb5 20.ab5 e5 21.Ra8 Ra8-+) 19.Raa1 (19.Nc4 Bd5 20.Raa1 c5=+) 19...c5 20.Nc4 cd4 21.ed4 Bd5 22.Nbd6?? (better 22.Rfc1=+) 22...Qd6!!-+ 23.Nd6 (23.Qh7 Nh7 24.Nd6 Rc6-+) 23...Rc2 24.Bd3 (24.Bb5 Kf8 25.Rac1 Rd2-+) 24...Rc3 (better 24...Rc6!? 25.Nb5-+) 25.Bb5 Bc6 26.Be2 (26.h3 Kf8 27.Rfc1 Rc1 28.Rc1 Bb5 29.ab5 Nd5-+) 26...g6 (26...Ra4 27.Ra4 Ba4 28.Ra1-+) 27.g3 (27.Rac1 Rc1 28.Rc1 Ba4-+) 27...Ra4 (27...Ba4?! 28.Bb5 Rc6 29.Ra4 Ra4 30.Bc6 Rd4 31.Nc8-+) 28.Ra4 Ba4 29.Ra1 Bc6 30.h3 Rc2 31.Bf1 (31.Kf1 Kf8-+) 31...Rd2 32.Bg2 (32.Rc1 Bd5-+) 32...Bg2 33.Kg2 Rd4 34.Nb5 Rb4 (34...Rd2 35.Nc3-+) 35.Nd6 Kg7 36.Ra7 (36.Rd1 Nd5-+) 36...h5 (36...Rd4 37.Nc8-+) 37.Rb7 Nc5 (better 37...g5-+) 38.Rf7-/+ Kh6 39.Rf6 Rb2 (39...Rd4!? 40.Ne8 Rd8-/+) 40.Nc4=+ Rc2 (40...Ra2 41.Nb6 Nd3 42.Nc4=+) 41.Nb6 (41.Ne5 Kh7=) 41...Ne4 (41...Nd3 42.Re6 Nf2 43.h4=+) 42.Re6 (42.Rf4!? Nd6 43.Rd4=) 42...Rf2=+ 43.Kg1 Rb2 (43...Re2 44.g4=+) 44.Re4 Rb6 45.Rd4 Rb3 46.Kg2 Rb2 47.Kf3 Rb3 48.Kf4 (48.Kf2 Kg7=) 48...Rb2 (better 48...g5 49.Ke4 Rg3 50.Rd6 Kh7 51.Rd7 Kg6 52.Rd6 Kg7=+) 49.Rd3 Rb4 50.Kf3 Rb2 51.Re3 Rb4 52.Rd3 1-0. SSAARR (2010) - rt0306 (2050), Rated Blitz game, lichess.org, 2014.

6.Nf3 Ne4 7.d3 (better 7.Be2=) 7...Bb4?? (7...Nf6 8.Be2=) 8.Nfd2?? (better 8.c3 Bd6 9.de4 de4 10.Nfd2+–) 8...Nd2 (8...Nf6 9.d4=) 9.Nd2+= 0-0 (9...f6+=) 10.c3 (10.Qg4!? Bd2 11.Kd2+=) 10...Bd6= 11.c4 dc4 (11...c5 12.Qg4 e5 13.Qf3=) 12.Nc4 (12.Qg4 e5=) 12...Qg5 (12...Bb4 13.Nd2 Qh4 14.d4=+) 13.f4 (13.Qd2 a6= (13...Bg2?? 14.h4 Qg6 15.Rg1+–)) 13...Qg6 (13...Qh4 14.g3 Qh6 15.e4=) 14.Nd6 cd6 15.d4 (15.a5 ba5 (15...Bg2 16.Rg1 f6 17.ab6+–) 16.Ra5 f5= (16...Bg2 17.Rg1 f6 18.Bg2+–)) 15...Nd7 (15...Bd5 16.Ba3 Rd8 17.Qd2=) 16.Qd2 (16.Ba3 A) worse 16...Bg2 17.Rg1 Bf3 18.Rg6 Bd1 19.Rg3+– (19.Rd1?! hg6 20.Bd6 Rfd8=+; 19.Bd6?! hg6 20.Bf8 Rf8 21.Kd1 Rc8+–); B) 16...Rfc8 17.Bd6 Rc2+= (worse 17...Bg2 18.Rg1 Bf3 19.Rg6 Bd1 20.Rg3+–)) 16...e5 (better 16...Nf6=+) 17.de5+– Nc5 18.Bd3?? (better 18.ed6 Nb3 19.Qd3 Qd3 20.Bd3 Na1 21.Ba1=) 18…Nd3–+ (18...Nd3 19.Kf1 Nb2 20.Qb2 Rfc8–+; 18...Qd3?! 19.Rd1 Qd2 20.Rd2 de5 21.Be5 Na4 22.Ra2–+) 0–1. GuestSWYF – GuestKBFV, freechess.org, 2016.

6.Nf3 Be7 7.Be2 c6 8.0-0 cb5 (8...a6 9.Be5=) 9.ab5 0-0 10.d4 a6 11.Nbd2 ab5 12.Ra8 Ba8 13.Bb5 Bc6 14.Bd3 Nbd7 15.c4 dc4 16.Nc4 b5 17.Nce5 Ne5 18.Ne5 Be4 19.Be4 (19.Bb5? Qb6 20.Bd3 Qb2-+) 19...Ne4 20.Qd3 White gets deadly initiative 20...Qd5 21.f3 Nf6 (21...Nd6!?=) 22.Rc1+= Nd7 23.Nc6 Bf6 24.e4 Qa2 (better 24...Qh5!?+/-) 25.Qb5+- Bg5?? (better 25...Qa8+-) 26.Ra1 (26.Ra1 Qa1 27.Ba1 Be3 28.Kf1+-; 26.Qg5?! Qb2 27.Ne7 Kh8+/-) 1-0. GuestMVXY – GuestWTQY, freechess.org, 2020.

6.a4 Bd6 7.Nf3 Nbd7 (7...0-0 8.cd5 Nd5 9.Nc3=+) 8.Qc2 (8.cd5 ed5 9.Nd4 Be5=) 8...Qe7 (8...c5 9.cd5 ed5 10.Be2=) 9.d3 (9.cd5 Bd5 10.Nc3 Bb7=) 9...h6 (9...dc4 10.Qc4 0-0 11.Be2=+) 10.d4 (10.cd5 ed5 11.Nd4 0-0+=) 10...Ne4 (10...c5 11.cd5 ed5 12.Bd3=) 11.Bd3 Bb4 12.Nbd2 (12.Kf1 Ndf6=) 12...Ndf6 (12...Nd2 13.Nd2 dc4 14.Bc4=) 13.0-0+= Ng5 (13...c5!?+=) 14.Ne5 Bd6 (14...Nge4 15.Ndf3+/-) 15.f4 (15.a5 dc4 16.Nec4 Rd8+-) 15...Nge4 16.Ne4 White fights for the Initiative 16...de4 17.Be2 Be5 (better 17...a5!?+/-) 18.fe5+- Nd7 19.Bh5 0-0 (19...g6 20.Bd1 a5+/-) 20.Rad1?? (20.Ba3 Qg5 21.Qe2+-) 20...Qg5 21.Qe2 g6 (better 21...f5!? 22.Ba3 Rfd8+=) 22.Bg4+/- h5 (22...a6 23.Bc3+/-) 23.Bh3+- c5 24.Bc1 (24.bc6 Bc6 25.a5 ba5+-) 24...Rad8 (24...a6 25.Qc2+/-) 25.Rf4 Kg7 (25...Qh6 26.Rf2+/-) 26.Rdf1 a6 (26...Qe7 27.R4f2+/-) 27.Qf2 (27.ba6!? Ba6 28.Re4 Qe7+-) 27...Qe7+/- 28.Qe2 (28.Ba3 Ra8 29.Bb2 ab5 30.ab5 cd4 31.Bd4 Rac8=) 28...ab5 (28...Qg5 29.ba6 Ba6 30.Re4 Qe7+-) 29.ab5+/- Ra8 30.Qc2?? (better 30.g3+/-) 30...Ra3?? (better 30...g5 31.Rf6 Qd8 32.dc5 bc5=) 31.Ba3+- g5 32.Rf6 g4 (32...Kh7 33.Qe2 g4 34.Bg4 Nf6 35.ef6 Qd6+-) 33.Qf2 gh3 34.Qg3 Kh8 (34...Kh7 35.Qg5 Nf6 36.ef6 Qf6 37.Rf6 cd4 38.Rh6) 35.Qg5 (35.Rh6) 35...Nf6 36.ef6 (36.Qf6?! Qf6 37.ef6 Rg8 38.dc5 Rg2 39.Kh1 Ra2+=) 36...Rg8 (36...Qf6 37.Rf6 cd4 38.Rh6) 37.Qh6 (37.Qh5) 1-0. petrobbo (2015) - Nitzerama (2050), ChessWorld.net, 2015.

6.cd5 Bd5 7.Nf3 Bd6 8.Nc3 Bb7 9.Be2 0-0 10.0-0 Nbd7 11.d4 h6 12.Bd3 Re8 (12...c5 13.bc6 Bc6 14.Nb5=) 13.e4+= a5 (13...e5!? 14.d5 a6+=) 14.e5 Bb4? (better 14...Bf3 15.gf3 Ne5 16.de5 Be5+/-) 15.ef6+- Bc3 16.Bc3 Qf6 17.Ne5 Ne5 18.de5 Qg5 19.f3?? (19.g3 Red8+-) 19...a4?? (better 19...Qe3 20.Rf2 Red8=+) 20.Bd2 (20.Qc1 Qh4+-) 20...Qe7? (better 20...Qe5 21.Re1 Qb2+-) 21.Be3 c5 22.Qe2 (22.bc6!? Bc6 23.Bb6 Rab8+-) 22...Bd5 23.Bc4 Rad8 24.Bd5 (better 24.Rad1!?+-) 24...ed5 25.Rfd1?? (25.Bf4 c4+/-) 25...d4?? (better 25...Qe5 26.Re1 d4-+) 26.Bf4+- g5 (26...f6 27.Re1+-) 27.Bg3 Rd6 (27...h5 28.f4 h4 29.Bf2+-) 28.f4 Rg6? (28...gf4 29.Bf4 Rg6+-) 29.f5 Rg7 30.f6 Qd7 (30...Qf6 31.ef6 Re2 32.fg7 Kg7 33.Bc7+-) 31.fg7 Kg7 (31...f5 32.Re1 Qe6 33.Qc2+-) 32.Re1 (32.Rac1 Kg8+-) 32...Qf5 (32...d3 33.Qb2 Kg8 34.Re4+-) 33.e6! d3 (33...Re6 34.Qc4 Decoy; 33...Qe6 34.Qf2 Decoy; 33...fe6 34.Bc7 Combination) 34.Qd2 (34.Qb2 Kh7 35.e7 c4+-) 34...fe6 35.Re3 c4 (35...Rf8 36.Rd3 c4 37.Qc3 Kg6 38.Qc4 Qc5 39.Qc5 bc5 40.b6+-) 36.Bd6 (36.Qc3 Kg8 37.Qc4 Rd8+-) 36...Rd8 (36...Qd5 37.Qb2 Kh7 38.Qf6+-) 37.Bb4 (better 37.Rf1 Qg6 38.Qc3 Kg8 39.Qc4+-) 37...Qe5 (37...Kh7+-) 38.Re5 Rd5 (38...Re8 39.Rg5 hg5 40.Qg5 Kh7 41.Rf1 Re7 42.Qe7 Kg6 43.Bd2 c3 44.Qf7) 1-0. anotherheaven (1650) - usercome (1660), lichess.org, 2015.

6.cd5 Nd5 7.e4 Nf6 =+.

6.f3 dc4=+ 7.Bc4 Be7 8.a4 0-0 9.h3 (9.Ne2 a6=) 9...Bd5 10.Bd5 Nd5 11.Qe2 (11.Ne2 a6=+) 11...Nb4 12.d4 Nd5 (12...c5 13.f4-/+) 13.g3 Bd6 14.f4 c6 15.Nd2 cb5 16.ab5 Bb4 (16...Qd7 17.Ne4 Bb4 18.Kf2-/+) 17.Rc1 (17.Ngf3 Nc7=) 17...Nd7 (17...f5 18.Ngf3=+) 18.Ngf3 N7f6 (better 18...f5=) 19.Ne5?? (better 19.0-0=) 19...Nd7?? (better 19...Ne4! 20.Nc6 Qd6 (worse 20...Bd2 21.Qd2 Nd2 22.Nd8-+; 20...Ng3?! 21.Nd8 Ne2 22.Ke2 Rfd8 23.Rc6-/+) 21.Nb4 Qb4-+) 20.Nc6+- Qe8 (20...Qf6 21.e4+-) 21.Nb4 Nb4 22.0-0 (22.Ba3!? a5 23.ba6 Na6 24.0-0+-) 22...Nd5+/- 23.Rc4 (23.e4 Ne7+/-) 23...Rc8 (better 23...f5!?=) 24.Ba3+/- Ne7 (24...Rc4!? 25.Nc4 Ne7+/-) 25.Rc8+- Qc8? (better 25...Nc8 26.Bf8 Nf8+-) 26.Be7 Re8 27.Bd6 Nf6 28.Ra1 (28.Be5 Nd5 29.Ne4 Rf8+-) 28...Qb7 (28...Qd7 29.Be5 Nd5 30.Qh5+-) 29.e4 (29.Be5 Nd5 30.e4 Ne7+-) 29...h6 (29...Rd8 30.e5+-) 30.g4 (30.Be5 Nd7+-) 30...Nd7 (30...Rd8 31.Be5+-) 31.h4 (31.g5 hg5 32.fg5 Nf8+-) 31...Nf6 (31...Rc8 32.g5+-) 32.Rc1 (32.g5 Rd8 33.gf6 Rd6+-) 32...Rc8 33.Rc8 Qc8 34.Kf2 (34.Be5 Qc3 35.f5 Nd7+-) 34...Qd7 (34...Qc3 35.Be5 Ng4 36.Qg4 Qd2 37.Qe2+-) 35.e5 (35.Be5!? Nh7 36.Qc4 Nf8+-) 35...Ne8 (35...Nd5 36.f5 Nc3 37.fe6 fe6 38.Qc4 Nb5 39.Ne4+-) 36.Ne4 f5 37.gf5 ef5 38.Nc3 (better 38.Ng3 Kh8 39.Qc4 Nd6 40.ed6 Qd6 41.Qc8 Kh7 42.Qf5 Kg8 43.Qe5+-) 38...Nc7 (38...Nd6 39.ed6 Qd6 40.Qe8 Qf8+-) 39.Qc4 Ne6 40.Nd5 Kh7 41.h5 (better 41.Ne7 g6+-) 41...Kh8 (41...Qe8 42.Nb6 ab6 43.d5+-) 42.Qd3 (better 42.Ne7 g5 43.hg6+-) 42...Qf7 43.Ne7 (43.Qc3 Kh7 44.Qc4 Qh5 45.Nf6 gf6 46.Qe6 Qh2 47.Ke3 Qg3 48.Ke2 Qg4 49.Kd3 Qd1 50.Kc3 Qc1 51.Kb4 Qd2 52.Kb3 Qd1 53.Ka3 Qc1 54.Ka4 Qa1 55.Ba3 Qd4 56.Kb3 Qd3 57.Ka2 Qc2 58.Bb2 Qa4 59.Kb1 Qe4 60.Kc1 Qf4 61.Kc2 Qa4 62.Qb3 Qe4 63.Kd2 Qf4 64.Qe3 Qb4 65.Bc3 Qb5=) 43...Qh5 44.Qf5 (better 44.Nf5 Qh2 45.Ke1 Qf4 46.Kd1+-) 44...Qf5?? (44...Qh2 45.Ke3 Qg1 46.Kd2 Qf2 47.Kd3 Qd4 48.Ke2 Qb2 49.Kd1 Qd4 50.Kc1 Qe3 51.Kb2 Qd4 52.Kc2 Qf2 53.Kb1 Qg1 54.Ka2 Qf2 55.Ka3 Qe3 56.Kb4 Qd2 57.Kc4 Qd4 58.Kb3 Qe3 59.Ka4 Qd4 60.Kb3 Qe3 61.Kb2 Qd4 62.Kb1 Qg1 63.Kb2 Qd4=) 45.Nf5 Nf4 (45...g6 46.d5 (worse 46.Nh6 Nd4 47.e6 Ne6+-) 46...Nf4 47.Ne3+-) 46.Bb8 Nd5 47.Ba7 Nc3 (47...Kg8 48.Ke2+-) 48.Nd6 (48.Nd6 Nd5 49.Bb6+-) 1-0. Delboy Smith (1755) - Elimar603 (1775), ChessWorld.net, 2010.

6.Nf3 (--> 5.Nf3 Bb7 6.c4).

6.Nf3 Be7 7.Be2 0-0 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 Be7 6.c4 0-0 7.Be2 d5).

6.a4 Bb7 7.Bc4?? (better 7.Nf3=+) 7...Bg2-+ 8.Ne2 Bh1 9.d3 Bf3 10.Qc2 Nbd7 11.Nd2 Be2 12.Ke2 Nc5 (12...Rc8 13.Nf3-+) 13.d4 Nb7 (13...Ncd7 14.Rg1-+) 14.Rg1 (14.Be6 fe6 15.Qc6 Kf7 16.Qb7 Bd6-+) 14...Nd6 (14...Na5 15.Bd3-+) 15.Bd3 g6 (15...a6 16.Qc6 Nd7 17.ba6-+) 16.Nf3 (16.Qc6 Nd7-+) 16...Bg7 17.Ne5 Qd7 (17...Nd5 18.Qc6 Ke7 19.Qc1-+) 18.Nc6?? (better 18.Nd7 Nd7 19.Qc7+-) 18...0-0 19.e4 Nh5 20.e5 (20.Bc1 Nb7-+) 20...Nf5 21.Be4 a6 22.Ba3 ab5 (better 22...Nd4 23.Nd4 Qd4 24.Bb2-+) 23.Bf8 Rf8 24.ab5 (24.Bf5 ef5 25.ab5 Nf4 26.Ke3-+) 24...Qc6! 25.bc6 (25.bc6 Nd4 Double attack; 25.Qc6 Nd4 Double attack (25...Nd4 Decoy); 25.Bc6 Nd4 Double attack) 25...Nd4 26.Kd3 Nc2 27.Kc2 Be5 28.f4 (28.Rh1 Ra8 29.Kb3 Nf6-+) 28...Bf4 29.Rd1 (29.Bf3 Ng7 30.h3 Nf5-+) 29...Bh2 30.Rd2 (30.Bf3 Nf6-+) 30...Bd6 31.Rd3 f5 32.Bg2 Kf7 33.Ra3 (33.Rh3 Nf6-+) 33...Rb8 (better 33...Ba3 34.Bf3 Nf4 35.Kb3-+) 34.Ra7 (34.Rh3 b5-+) 34...Kf6 35.Bf1 Nf4 36.Be2 Ne2 37.Kd1 Nd4 38.Ke1 Bc5 (better 38...Nc6 39.Ra4-+) 39.Ra1 (39.Ra1 Nc2 40.Kd2 Na1 41.Kd3-+). ClayPigeons (2090) - did_panas (2055), Rated Bullet game, lichess.org, 2020.

6.Bc4 Bd6 7.Nf3 0-0 8.0-0 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Nbd7 12.d4 Bb7 13.Nbd2 Qe7 14.Re1 Bb4 15.Re2 Nd5 16.Qb3 Ra8 17.Bb2 Ba3 18.Nf1 Bb2 19.Qb2 Ra3 20.Ne1 N7f6 21.Nc2 Ra5 22.Nd2 h6 23.f3 c6 24.g3 cb5 25.Bb5 Nc7 26.Bd3 Nd7 27.Kf2 Nd5 28.e4 N5f6 29.Nc4 Rh5 30.Kg2 Ba6 31.Nb4 Bc4 32.Bc4 Kh7 33.Bd3 Ra5 34.Nc6 Qa3 35.Na5 Qa5 36.e5 g6 37.ef6 Nf6 38.Qb5 Qa3 39.h4 h5 40.Kf2 Nd5 41.Re5 Kg7 42.Be2 Nc3 43.Qd3 Qb2 44.Re3 Nd5 45.Re4 Nc3 46.g4 Ne4 47.Qe4 hg4 48.fg4 b5 49.Qe5 f6 50.Qe6 Qd4 51.Qe3 Qd7 52.h5 gh5 53.gh5 Qf5 54.Qf3 Qc5 55.Kg2 b4 56.Qg3 Kf8 57.h6 Qd4 58.h7 Time forfeit 1-0. husref (2020) - Alibaba2014 (1970), Rated Classical game, lichess.org, 2015.

6.Bc4 Be7 7.Nf3 Bb7 8.0-0 0-0 9.d4 Nbd7 10.Nbd2 Re8 11.a4 Nf8 12.Qb3 Ng6 13.Rad1 Ne4 14.Ne4 Be4 15.Ne5 Qd6 16.f3 Bd5 17.Nd3 Bc4 18.Qc4 Rac8 19.Ne5 Ne5 20.de5 Qc5 21.Qc5 Bc5 22.Bd4 Bf8 23.Rc1 Red8 24.Kf2 Rd5 25.Rc6 Bc5 26.Bc5 bc5 27.f4 Rd2 28.Kf3 Ra2 29.Rc5 Ra4 30.Rfc1 Ra5 31.Rc7 Rc7 32.Rc7 g6 33.Rb7 Kf8 34.g4 a6 35.ba6 Ra6 36.h4 Kg7 37.Rb3 Ra1 38.e4 Rh1 39.Kg3 Re1 40.Rb4 Re3 41.Kg2 h6 42.Kf2 Rh3 43.f5 gf5 44.gf5 Rh4 45.f6 Kg6 46.Kg3 Rh1 47.Rb8 Re1 48.Kf3 Rf1 49.Ke2 Rf4 50.Ke3 Rg4 51.Rg8 Kh5 52.Rg7 Rg5 53.Kf4 Rg1 54.Rf7 Rf1 55.Ke3 Re1 56.Kf3 Rf1 57.Ke2 Rf4 58.Ke3 Rf1 59.Re7 Kg6 60.Re6 Re1 61.Kf3 Rf1 62.Ke2 Rf4 63.Ke3 Rf1 64.Re7 Re1 65.Kd4 Rd1 66.Kc5 Time forfeit 1-0. zembelek (1995) - nfedorak (1905), Rated Blitz tournament RXI1Cc3q, lichess.org, 2015.

6.Qf3= c6 7.Bc4 Bb7 8.Ne2 =.

6.Qf3= Qd5 7.Bf6 (7.Bc4 Qf3 8.Nf3 Bb7=) 7...gf6 (7...Qf3 8.Nf3 gf6 9.Bc4=) 8.Bc4 Qf3 (8...Qc4 9.Qa8) 9.Nf3 Bb7 10.d4 Nd7 (10...Rg8 11.Kf1=) 11.Nc3 (11.Ke2 c5=) 11...0-0-0 (11...Bb4 12.Kd2=) 12.Rc1 (12.Rg1 Rg8 13.Ke2 Ba3+=) 12...Bb4 (12...Rg8 13.Kf1=) 13.Kf1 (13.0-0 Bf3 14.gf3 Kb7+=) 13...e5 (13...Ne5! 14.de5 Bf3=) 14.Bd5+/– Bc3 15.Bb7 (15.Rc3? Bd5 16.Ke2 Rhg8–+ (16...Ba2?! 17.Ra1 ed4 18.Nd4–+)) 15...Kb7 16.Rc3 ed4 17.ed4 h6 18.Ke2+/– Rde8 19.Kd3 f5 20.Rhc1+– Re4?? 21.Rc7 Kb8 22.Rd7 f6 23.Rcc7 Rhe8 24.Rb7 Kc8 25.d5 Re2 26.Rdc7 Kd8 27.d6 (27...Rd2 28.Nd2 Re3 29.fe3 a6 30.Rb8) 1–0. pierre_d – blackgun, ChessWorld.net, 2005.

6.Nf3 Bc5 7.Bc4 0-0 8.0-0 Bb7 9.d4 Be7 10.Nbd2 Nbd7 (10...c6 11.a4=) 11.a4 Re8 12.Rc1 Nf8 (12...a6 13.Qc2+=) 13.Qb3 Ng6 (13...a6 14.Ne5+=) 14.Rfd1 Ne4? (14...a6 15.Ne5 Qd6 16.ba6 Ba6 17.Bb5 Bb5 18.ab5+=) 15.Nf1 (better 15.Ne4!? Be4 16.Be6+-) 15...Nd6 16.Bd3 Bf3 17.gf3 Bh4 18.Ng3 Bg3 (18...a6 19.ba6 Ra7 20.f4+/-) 19.hg3 Qf6 20.Kg2 h5 (better 20...Rac8!?+/-) 21.Rc7+- h4 22.Rf1 (22.d5 e5 23.f4 hg3 24.fg3 Nf5+-) 22...hg3 23.fg3 Nf5 24.Bf5 Qf5 25.e4 Qg5 26.Qc2 (26.Bc1 Qd8 27.Qc4 Rc8 28.Rc8 Qc8 29.Qc8 Rc8+-) 26...Nh4 (26...Nf4!? 27.Kh2 Qh5 28.Kg1 Qg5+/-) 27.Kf2+- Qf6?? (27...Ng6 28.Rh1+-) 28.Qe2 (better 28.gh4 Qh4 29.Ke2+-) 28...Ng6 29.Qe3 (29.Rfc1 Qd8+-) 29...Rac8 (29...a6!?+/-) 30.Rfc1+- Rc7 31.Rc7 Qd8 32.Rc2 (32.Qc3 Qg5+-) 32...Re7 (32...Qe7 33.Qc3+-) 33.Qd3 (33.Qc3 Nf8+-) 33...Rc7 (33...Rd7 34.Qc3+-) 34.Rd2 (34.Rc7!? Qc7 35.Qc3 Qd7+-) 34...Qg5 35.f4 Qh5 36.Qf3 Qh2 37.Ke3 Qg1 38.Kd3 1-0. ClayPigeons (2150) - Pacomonoia (2065), Rated Bullet game, lichess.org, 2021.

7.Nf3 a6 8.a4 a5 9.0-0 Bb4 10.d4 Ne4 11.Nbd2 Nd2 12.Nd2 0-0 13.f3 Nd7 14.Ba3 Ba3 15.Ra3 h6 16.e4 Nf6 17.e5?? (17.Rd3 c6+=) 17...Nh7?? (better is 17...Qd4 18.Kh1 Qe5–+) 18.Ne4+= Be4 19.fe4 Ng5 20.Re3 Qd7 21.Bb3 Rad8 22.Rd3 (better is 22.d5!?+/–) 22...Ne4+= 23.Re1 Ng5 24.Bc2 Qd5 25.Bb3 Qd7 26.d5 ed5 27.Bd5 Qc8 28.Bc4 Rd3 29.Qd3 c6 30.Qe2 cb5 31.Bb5 Qc5 ½–½. Valpa – Grunert, playchess.de, 2005.

7.Nf3 c5 8.0-0 Be7 9.d4 Nbd7 10.Nbd2 0-0 11.Qb3 cd4 12.ed4 Bd5 (12...a6 13.ba6 Ba6 14.Rfe1 Bc4 15.Nc4=) 13.Rac1 (13.Ne5 a6=) 13...Qb8 (13...a6 14.ba6 Ra6 15.Ne5=+) 14.Rfe1 (14.Ne5 Qb7 15.Rfe1 Rac8= (worse 15...Bg2 16.Nd7 Nd7 17.d5+–)) 14...Qb7 (14...a6 15.Ne5 Qe8 16.ba6 Ra6 17.a4=) 15.a4 (15.Ne5 Rac8= (worse 15...Bg2 16.Nd7 Nd7 17.d5+–)) 15...Rac8 16.Ba3 Ba3 17.Qa3 Rc7 (17...Rfd8 18.Ne5 Ne5 19.de5=) 18.Bd5+= Nd5 19.Rc7 (19.Ne4 Rc1 20.Rc1 Nf4+=) 19...Qc7= 20.Rc1 (20.Ne4 Rd8=) 20...Qb7 (20...Qf4 21.a5=) 21.Nc4 (21.Ne4 N7f6 22.Nf6 Nf6=) 21...Rc8 (21...N7f6 22.a5=) 22.Nce5 (22.Nd6 Rc1 23.Qc1 Qc7 24.Qc7 Nc7+=) 22...Ne5 (22...Rc7 23.Nc6=) 23.Ne5 (23.de5 Nf4 24.Kh1 Qd7=) 23...Rc1 (23...a6 24.Rc8 Qc8 25.ba6 Qa6 26.Qd6=) 24.Qc1 f6 25.Nc6 Qc7 (25...a6 26.Qa3 Qc7 27.Qf3=) 26.g3 (26.Qc2 Qd7=) 26...Kf7 (26...Qc8 27.Qc4 Qd7 28.Nb8+=) 27.Qc2 g6 28.h4 Kg7 29.Qe4 (29.h5 gh5 30.Qe2 Qd7+–) 29...Kf7 (29...Qd7 30.h5=) 30.h5 a5 (30...a6 31.Kf1=) 31.Kg2 Qd6 32.Kh2 (32.Kf1 Kg7+=) 32...Kg7= 33.hg6 hg6 34.Qe2 (34.Kg1 Qd7=) 34...Nc3 (34...Nb4 35.Qc4=) 35.Qc4 (35.Qf3 Nd5= (worse 35...Na4 36.Qb3+–)) 35...Nd5 36.Qc1 (36.Kg2 Kf7=) 36...Qc7 (36...Nb4 37.Kg2=) 37.Qa3 (37.Kg2 Qd7=) 37...Kf7 38.Qc1 (38.Kg2 Ke8=) 38…Kg7 ½–½. Svitek,Volker (2100) – Goebel,Andreas (2050), Frankfurt–ch, 2008.

7.Nf3 Nbd7 8.d4 Bd6 9.0-0 0-0 10.Ne5 Ne5?? (better 10...a6=) 11.de5+– Ng4? (11...Ne8 12.ed6 Qg5+–) 12.ed6 ½–½. GuestWXSD – GuestLPQL, freechess.org, 2017.

7.Nf3 Be7 8.a4 0-0 9.0-0 Nbd7 10.Be2 c5 11.Nc3 e5 12.d4 ed4 13.ed4 Re8 14.dc5 Bc5 15.Re1 (15.Qd3 Qc7=) 15...Qc7 16.Rc1? (16.Bd3 Ng4 17.Bh7 Kh8 18.Re8 Re8-+) 16...Rad8?? (16...Bf2 17.Kh1 Be1 18.Nd5-+) 17.Qb3? (17.Nd2 Qf4 18.Bf3 Ne5-+) 17...Qf4 (17...Ng4 18.Nd5 Qd6 19.Rcd1 Bf2 20.Kf1-+) 18.Bc4? (better 18.Qc4 Bf2 19.Kf1 Qc4 20.Bc4 Be1 21.Re1 Re1 22.Ke1 Bf3 23.gf3-+) 18...Rf8?? (better 18...Re1 19.Re1 Bf3 20.Bf7 Kh8 21.gf3 Bf2 22.Kg2 Be1-+) 19.Ne2= Qf5 (19...Qg4 20.h3 Qg6 21.Ned4=) 20.Ng3 (20.Ned4 Qh5+=) 20...Qf4= 21.Rcd1 (21.Rc2 Bf3 22.Qf3 Qf3 23.gf3 Rfe8=) 21...Bf3 (21...Ng4 22.Rf1=+) 22.gf3= h5 (22...Qg5 23.Re2=) 23.Ne4 Qh4 (better 23...Ne4 24.Re4 Qf5=) 24.Ng3 (24.Kh1 Bf2 25.Bf7 Kh8 26.Nf6 Nf6 27.Rd8 Rd8=) 24...Qg5 (24...Bf2!? 25.Kf2 Qh2 26.Kf1 Nc5-+) 25.Kh1 (better 25.Re2=) 25...h4?? (25...Bf2!? 26.Re7 Bg3 27.Bf7 Kh8 28.hg3 Qg3-/+) 26.Ne4 (better 26.Bc1 Qg6 27.Bd3 Qd3 28.Qd3 (28.Rd3?! hg3 29.fg3 Bf2+-) 28...Bf2 29.Nf5 Be1 30.Re1+-) 26...Qf4+= 27.Rf1 (better 27.Nf6!? Nf6 28.Rd8 Rd8 29.Bf7 Kh8 30.Bc1+=) 27...Ne4=+ 28.fe4 Qe4 29.f3 Qf4 30.Rde1 (30.Qd3 h3=+) 30...h3 (better 30...Rfe8-/+) 31.Rg1? (better 31.Re4 Qh6 32.Rd1=) 31...g6?? (31...Bg1 32.Rg1 Ne5 33.Be2-+) 32.Ref1 (better 32.Rg6! Kh7 33.Rg4+-) 32...Bg1-+ 33.Rg1 Nc5 (better 33...Qf5-+) 34.Rg3?? (34.Qc3 Rd4 35.Rg6 Kh7 36.Rg1-+) 34...Nb3-+ 35.Bb3 Rd2 (35...Rd2 36.Bc3 Rf2 37.Rg6 Kh7 38.Rg7 Kh6 39.Rg6 fg6 40.Bg7 Kg7 41.a5 Qh2) 0-1. brucepeng (2000) - rocksoft (2015), lichess.org, 2021.

6.Qf3 Nbd7 =.

6.Nf3 a6 7.Be5 +=.

7.d4 a6 8.Ba3 +=.

7.d4 c6 8.Bd3 (8.cd5 Nd5 9.Nc3 Bb4=) 8...0-0 (8...dc4 9.Bc4 a6 10.a4+=) 9.Nbd2 dc4 10.Nc4 (10.bc6 Nc6 (10...cd3?? 11.cb7 Na6 12.ba8R Qa8 13.a3+–; 10...Bc6?! 11.Nc4 Bb4 12.Ncd2=) 11.Nc4 Nb4+=) 10...Bb4 11.Ncd2 cb5 12.Bb5 Na6 (12...Ne4!?+=) 13.0-0= Bd2 (better is 13...Nc7 14.Bd3 Rc8=) 14.Nd2?? (better is 14.Qd2 Nc7 15.Be2=) 14...Qd5–+ Threatening mate: Qxg2 15.Qf3 Qb5 16.Qb7 Qb2 (16...Nd5 17.Rfd1 Nac7 18.a4 Qb2 19.Nc4–+) 17.Qa6 (17.Nc4 Qb5 18.Ne5 Qa4–+) 17...Qd2 18.Rfd1 Qb4 19.Rac1 Qe7 20.Rc6 h6 21.Rdc1 Nd5 22.a3 Qf6 23.e4 Qd4 24.ed5 Qd5 25.Kf1 Kh7 26.Ke2? Rfd8 27.R1c2?? Qe4 (27...Qe4 28.Kf1 Rd1#) 0–1. Trkn – Prozac Prodigy, itsyourturn.com, 2000.

7.cd5 ed5 8.Nc3 0-0 =.

7.cd5 ed5 8.Nd4 Bc8 =.

7.cd5 ed5 8.Be2 c6 (8...a6 9.Nc3+=) 9.0-0 0-0 10.Nd4 (10.Nc3 c5=) 10...a6 11.bc6 Nc6 12.Nc6 (12.Nf5 b5=) 12...Bc6+= 13.Qc2 (better is 13.Bd4+=) 13...Qc7 (better is 13...Rc8!?+=) 14.Bf6+= gf6 15.Rc1 Bh2 16.Kh1 Rfc8 17.Bg4 (better is 17.Qc6 Qc6 18.Rc6 Rc6 19.Kh2+=) 17...Qd6?? (better is 17...Bb7 18.Bc8 Rc8+/–) 18.Bc8+– Rc8 19.Qf5 Qb8? (19...Rc7 20.Qh5 Be5+–) 20.f4 Bf4 (20...Bd7 21.Rc8 (21.Qd7?! Rc1 22.Kh2 Qf8+–) 21...Qc8 22.Qf6 Bf4 23.ef4 Qc1 24.Kh2+–) 21.ef4 d4 22.Na3 Qa8 23.Qf6 Bg2 24.Kh2 Rc1 25.Rc1 Be4 26.f5 Qb8 27.Kh3 Bf5 28.Qf5 Qd6 29.Qg5 Qg6 30.Qd8 Kg7 31.Qd4 Kh6 32.Qe3 Kh5 33.Qf3 Kh6 34.Rc6 f5 35.Rg6 hg6 36.Qe3 Kg7 37.d4 Kf6 38.d5 g5 39.Qe6 Kg7 40.d6 g4 41.Kh4 f4 42.d7 g3 43.d8Q f3 44.Qdg8# 1–0. Bonetti,Shane – qsac (2255), ICC, 2002.

7.Qc2 a6=.

7.Nf3 0-0 8.Be2 Bb7 9.0-0 Nbd7 10.a4 c5 11.bc6 Bc6 12.Bf6 Bf6 13.d4 Re8 14.Nbd2 Nf8 15.Rc1 (15.Qb1 Rc8+=) 15...Qd7= 16.Ra1 Ng6 17.h3 Rac8 18.Qb3 Bb7 (18...Be7 19.Bd3=) 19.Bb5 Bc6 20.Rfc1 Bb5 21.ab5 h6 22.Qd3 Nf8 23.Nf1 Ne6 24.Ng3 Nc7? Attacking the isolated pawn on b5 (better 24...Rc1!? 25.Rc1 Nc7+=) 25.Ra7+- Qb5 26.Qf5 Ne6 27.Rc8 Rc8 28.Nh5 Rc1 29.Kh2 Qb1 (better 29...Qe8!? 30.Nf6 gf6+/-) 30.Nf6 gf6 31.Qf6 (31.Qd5? Rh1 32.Kg3 Qg6 33.Ng5 Ng5-+ (33...fg5?! 34.Ra8 Kh7 35.Rb8-+; 33...Qg5?! 34.Qg5 fg5 35.Kg4-+; 33...hg5?! 34.Kg4-+)) 31...Rh1 32.Kg3 Qg6 33.Qg6 fg6 34.Re7 (34.Ne5 g5+-) 34...Nf8 (34...Ng7 35.Rb7 Rb1 36.Ne5 Nf5 37.Kf4+-) 35.Re5 Nd7 36.Rd5 Nf6 37.Rd6 (better 37.Rb5 Ne4 38.Kf4+-) 37...Ne4-+ 38.Kf4 Nf2?? (better 38...Nd6 39.e4 g5 40.Ke5 Nc4 41.Kf6 b5-+) 39.Rg6+- Kf7 40.Rb6 Nd3 41.Ke4 Nc1 (41...Nf2 42.Kf5 Nd1 43.Ne5 Ke7 44.Rb7 Kf8 45.Kg6+-) 42.Rh6 Rf1 43.Ng5 Kg7 44.Rc6 Ne2 45.Ne6 Kf7 46.Nf4 (46.Ke5 Ng3 47.Rc7 Ke8+-) 46...Ng3 47.Ke5 Re1 48.Rc3 Nf1 49.Ke4 Ng3 50.Kf3 Nf5 51.g4 Nh4 (51...Nd6 52.Rc7 Kg8 53.Rc6+-) 52.Kg3 (better 52.Kf2 Rh1 53.Rc7 Kg8+-) 52...Ng6 53.Ng6 (53.Rc7 Kg8 54.Ng6 Re3 55.Kf4 Rf3 56.Ke5 Re3 57.Kf5 Rh3+-) 53...Kg6 54.h4 Rg1 55.Kh3 (better 55.Kf4 Kf6+-) 55...Ra1 (55...Rh1 56.Kg2 Rh4+-) 56.d5 1-0. Antares_Sco (1960) - Sanya_SV (1980), Daily Blitz Arena, lichess.org, 2020.

7.Nf3 a6 8.Qc2+=.

7.Nf3 Bb7 8.Nd4= 0-0 9.Bd3 (9.Nf5 c5+=) 9...a6 10.a4 ab5 (10...Qe8 11.0-0=) 11.ab5 c5 (11...Ra1 12.Ba1 Ne4 13.Qc2=) 12.bc6+= Nc6 (12...Bc6 13.Nc6 Nc6 14.Bf6 Bf6 15.Ra8 Qa8 16.Qh5+/–) 13.Ra8 Qa8 14.Nf5 Re8 (14...Qd8 15.Ng7 Nb4 16.Bf5+/–) 15.Ne7 Ne7 16.Bf6 gf6 17.Qg4 Ng6 18.0-0 d4 19.Rc1 de3 20.fe3 Kg7 (20...Be4 21.Be4 Qe4 22.Qe4 Re4 23.Nc3+/–) 21.Rc7 (21.Rc4 Bd5 22.Rb4 Re5+/–) 21...Re5 22.Bc4 Bd5 23.Nc3 (23.Bd5 Qd5 24.Qc4 Qc4 25.Rc4 Rb5+=) 23...Qa1+= 24.Qd1 Qd1 25.Nd1 Bc4 26.Rc4 Rb5 (26...Ra5 27.Kf1+=) 27.Kf2 Ne5 28.Rc8 Ng4 29.Kg3 Ne5 30.d4+/– Nd3 31.Kf3 f5 32.Rc3 Nb2 33.Nf2 h5 34.h4 Rb4 35.Nh1 Kg6 36.Ng3 Nc4 37.Kf4 b5 38.Nf5 f6 39.e4 Rb2 40.Rg3 Kf7 41.Rg7 Kf8 42.Rb7 Rg2 43.Rb5 Rg4 44.Kf3 Ke8 45.Rb8 Kd7 46.Rb7 Kd8 47.Rg7 Nd2+= 48.Ke3 Re4 49.Kd2 Rf4 50.Ng3 Rd4 51.Ke3 Rh4 52.Rh7 Attacks the isolani on h5 52...Rg4 53.Kf3 Rb4 54.Nh5 Rh4 55.Kg3 Ra4 (55...Rh1 56.Kf4+/–) 1–0. Zedtler,Uwe – Nittschalk,Karl, DESC, 1999.

7.Qc2 h6 (7...Nbd7) 8.Be2 Nbd7 9.d4 Bb7 (9...Bb4!?) 10.0-0 a5 11.a4 Rc8 12.Nbd2 Ne4 13.Ne4 de4 14.Nd2 f5 15.f3 Nf6 16.h3 Bd6 17.f4 c6 18.c5? (18.bc6!? Bc6 19.Ba3 g6 20.Bd6 Qd6) 18...cb5 19.Bb5 bc5 20.Qb3 Bd5 21.Bc4 Rb8 22.Qc2 Bc4 23.Nc4 Nd5 24.Nd6? Qd6 25.dc5 Qc6 26.Rab1 Rf7 (26...Ne3!) 27.Rfe1 (27.Bd4) 27...Nb4 (27...Rfb7) 28.Qc4 Nd3 29.Re2 Rfb7 30.Qd4 Nc5 31.Rc2 Rc8 (31...Nb3) 32.Rbc1 Qd5 33.Rc5 Rc5 34.Rc5 Qd4 35.Bd4 Rd7 36.Ra5 g5 37.Ra8 Kf7 38.Ra7 Ke8 39.Rd7 Kd7 40.g3 g4 41.h4 h5 42.Kf2 Kc6 43.a5 Kb5 44.Bb6 Kc6 45.Ke2 Kb5 46.Kd2 Kc6 47.Kc3 Kb7 48.Kc4 Kc6 49.Kb4 e5 50.Kc4 ef4 51.ef4 Kb7 52.Kd5 e3 53.Be3 Ka6 54.Ke5 Ka5 55.Kf5 Kb5 56.Kg5 Kc6 57.Kh5 Kd5 58.Kg4 1–0. Dopper – Verkerk, 1990 (Dopper).

7.d4 c6 8.bc6 Nc6 9.Nbd2 Bb7 10.a3 Ne4 (10...Rc8 11.cd5 Qd5 12.Bd3=+) 11.Bd3 f5 (11...Nd2 12.Nd2 dc4 13.Nc4=) 12.0-0 Bf6 13.Qb3 (13.cd5!? ed5 14.Qb3+=) 13...Na5=+ 14.Qa2 Nd2 (14...dc4 15.Bc4 (worse 15.Nc4 Bd5 16.a4 Rc8-/+) 15...Nc4 16.Qc4=+) 15.Nd2 Rc8 16.Rac1 (16.cd5 Bd5 17.Qb1=) 16...h5?? (better 16...dc4 17.Be2 Bd5-/+) 17.cd5 (17.c5 Be7 18.Qa1 h4+=) 17...Bd5 18.Qb1 Qe8 19.Rc8 Qc8 20.Be2 Qe8 21.Bf3 Kh7? (better 21...Bf3 22.Nf3 Nc4+=) 22.Bd5+- ed5 23.Qf5 g6 24.Qd3 (better 24.Qd5!? Qe7+-) 24...Bg5 (24...b5 25.Bc1+/-) 25.Nf3 (25.Bc3 Nc6+-) 25...Bh6 (25...Bf6 26.Ne5+/-) 26.Ne5 Qe6 (better 26...Bg7!?+/-) 27.Rc1+- Nc4 (27...Bg7 28.Rc7 Kh6+-) 28.Bc3?? (better 28.Nc4!? Qf6 29.Rc2 dc4 30.Qc4+-) 28...Ne5 (28...b5 29.Rb1 a6 30.a4+/-) 29.de5 Rf7 30.Bd4 Qg4 (30...Bf8 31.Qb3+-) 31.Rf1 (31.Rc6 Qe4 32.Qe4 de4+-) 31...h4 (31...Qe6 32.Rd1+-) 32.h3 Qg5 (32...Qe6 33.Bb2+-) 33.f4 (better 33.Qb5+-) 33...Qg3? (better 33...Qe7+-) 34.Bc3 (better 34.e6 Rf4 35.e7 (35.Rf4?! Bf4 36.Kf1 Bg5+/-) 35...Rd4 36.Rf7 (worse 36.ed4 Qd3 37.Rf7 Bg7=+) 36...Bg7 37.Qd4 (worse 37.ed4 Qd3 38.e8Q Qd4 39.Kh1 Qa1 40.Kh2 Qa3=) 37...Qe1 38.Rf1 Qf1 39.Kf1 Bd4 40.ed4+-) 34...Bf8?? (better 34...Rf4 35.Rf4 Bf4 36.Qd5 Be3 37.Kh1 Qf2=) 35.Be1 (35.Be1 Qe3 36.Qe3+-) 1-0. ClayPigeons (2120) - flotaB (2105), Rated Bullet game, lichess.org, 2021.

6.a4 Bb7 7.Be2 Bd6 8.Nd4 Bc8 (8...0-0 9.0-0=+) 9.f4= Bb7 10.0-0 0-0 11.Qe1 ab5 (11...c5 12.bc6 Nc6 13.Nc6 Bc6 14.Qg3=) 12.ab5 Ra1 13.Ba1 Nbd7 14.d3 Qe7 15.Nd2 Bb4 16.c3 Bc5 17.c4 Ra8 18.Bc3 Bb4 19.Qc1 g6 (19...Bc3!? 20.Qc3 Ra2=) 20.Bf3 Bc3 21.Qc3 Ra3 22.N4b3 (22.N2b3 Nc5 23.Ra1 Nb3 24.Ra3 Qa3 25.Nb3 dc4 26.dc4 Bf3 27.gf3 Nd7=) 22...e5 (22...Nc5 23.Ra1 Ra1 24.Na1 dc4 25.Qc4+= (worse 25.Nc4 Bf3 26.gf3 Nd5–/+)) 23.fe5 Ne5 24.cd5 Nf3 25.Rf3 Nd5 26.Qd4 Nc3 27.Qc3 Bf3 28.gf3 Qe3 29.Kf1 Qf4 30.h4 Ra7 31.Qd4 Ra4 32.Qf4 (32.Qd7 Qg3=) 32...Rf4 33.Ne4 Rh4 (33...Rf3 34.Ke2 Rf4 35.Ke3 Rh4 36.Nf6 Kf8 37.Nd5–/+) 34.Kg2 (34.Nf6!? Kf8 35.Nd5=+) 34...f5=+ 35.Kg3 Rh1 (worse 35...fe4 36.Kh4 ed3 37.Kg3+=) 36.Nc3 Kf7 37.Kg2 Rh4 38.Nd5 Ra4 39.Nc1 Ra7 40.Ne2 Ke6 41.Nb4 Kd6 42.Nc2 (42.d4 Ra3–+) 42...c6 43.Nc3 Ra5 44.bc6 Kc6 45.Kf2 (45.Nd4 Kd7–/+) 45...Kd7 46.d4 g5 47.f4 h6 48.Kf3 g4 49.Kg3 Kc6 50.Nb4 Kd6 51.Nc2 Ke6 52.Kh4 Kf6 (52...b5 53.d5 Kd7 54.Ne2–/+) 53.Kg3 (53.Kh5!?=+) 53...Kf7–/+ 54.Kh4 Kg6 55.Kg3 ½–½. Subedei – marekt, ChessWorld.net, 2013. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.b5 b6 5.e3 a6)

6.a4 Be7 7.Be2 0-0 8.0-0 a5 (8...c5 9.Be5=) 9.d3 c5 10.Nbd2 Nbd7 11.e4 (11.Ne5 Ne5 12.Be5 Nd7=) 11...Bb7 12.e5 Ne8 13.d4 c4 14.Re1 Rc8 15.c3 Qc7 16.Qc2 f6 17.ef6 Rf6 (17...Ndf6 18.Ng5 Bd6 19.Ne6 Bh2 20.Kh1+–; 17...gf6 18.Ba3 Ba3 19.Ra3=) 18.g3 (18.Ba3 Nd6=) 18...Nd6=+ 19.Ne5 Nf8 (19...Rcf8 20.Bg4=+) 20.Bf1 Re8 21.Bg2 Bc8 22.Bc1 Nf7 23.Ndf3 h6 (23...Ne5 24.Ne5 Ng6 25.Nc6+=) 24.Nf7 Rf7 25.Ne5 Rf6 26.Nc6 (26.Ng4 Rg6 27.Bf4+/–) 26...Bd6? (better is 26...Ng6+=) 27.Bd5!+– ed5 28.Re8 Bd7 (28...Bg4 29.Ne5 Bh5 30.Ra8 Be5 31.de5 Qe5 32.Be3+–) 29.Ne7 Be7 30.Re7 Ng6 31.Re1 Bf5 (Black gets in control) 32.Qd2 Qd7 33.Ba3 (33.f3 Qf7+–) 33...Be4 34.Re4 (34.Re3!?+–) 34...de4+/– 35.d5?? (better is 35.Qe2 Qd5 36.Re1+=) 35...Ne5–/+ 36.Qd1 (better is 36.Qe2!? Nf3 37.Kg2 Qd5 38.Rd1=+) 36...Nd3 (36...Qh3 37.f4 Nf3 38.Kf2 Qh2 39.Ke3 Qg3–+) 37.Ra2 (37.Qh5 Rf2 38.Rf1 e3 39.Rf2 ef2 40.Kf1 Kh7=+) ½–½. Cerny,Thorsten – Lahn,Horst, Schleswig Holstein–ch, 1991.

6.c4 ab5 7.cb5 Bd6 8.a4 0-0 9.Bd3 Nbd7 10.Nc3 e5 11.0-0?? (better is 11.Be2+=) 11...e4–+ 12.Ne4 (12.Nd5 ed3 13.Nf4–+) 12...de4 (12...de4 13.Be2 ef3 14.Bf3 Ra7–+) 0–1. preethan (2135) – pcmvr, net–chess.com, 2015.

6.Ne5 Bd6 =.

6.Ne5 Nbd7?? 7.Nc6+– 1–0. Couspeyre,Thierry – Lombardi,Donato, OP–2012–0-02269, 2012.

7.c4 Bb4 8.cd5 Qd5 9.Qc2 Ne4? (better 9...Qc5!? 10.Qc5 Bc5+=) 10.Bg7+– Rg8 11.Nc3 Nc3 12.Bc3 (worse 12.dc3 Rg7 13.cb4 ab4+–) 12...Bc3 13.Qc3 Qd6 (13...c5 14.bc6! Nc6 15.Qc2+–) 14.Rc1 (better 14.Qc2+–) 14...Kd7? (better 14...Nd7+–) 15.Qf6 (better 15.Bd3 f5 16.Ke2+–) 15...c5?? (15...Ke8 16.Ne5 Rf8+–) 16.Qf7 Qe7 (16...Kd8 17.Qg8 Kc7 18.Be2+–) 17.Ne5 Kd6 18.Nc4 Kd7 19.Nb6 Kd6 20.Qg8 Ra7 21.Nc8 Ke5 22.Ne7 c4 (22...Re7 23.Qg5 Kd6 24.Qc5 Kd7 25.Qc8 Kd6 26.Qb8 Kd7 27.Rc6 Rg7 28.Qb7 Ke8 29.Rc8) 23.Qg7 Kd6 24.Nc8 Kd5 (24...Kc5 25.Rc4 Kd5 26.e4) 25.Qd4 1–0. DEFFM – paunmarius, freechess.org, 2019.

7.Be2 Bb4 8.c3 Bc5 9.0-0 Nbd7 10.d3 e5 11.d4 Bd6 12.de5 Ne5 13.Nd4 Bc5 14.Nc6 Nc6 15.bc6 Qd6 16.Bb5 (16.c4 0-0=) 16...Ba6 (better is 16...Ng4!? 17.g3 0-0=+) 17.Nd2 0-0 18.Nb3 (18.c4 Rfd8+=) 18...Bc8 (18...Qe5!?=) 19.Nc5 bc5 20.c4 Ng4 21.g3 Nf6 (21...Qh6 22.h4 dc4 23.Qc2+=) 22.Qc2 Bh3 23.Rfd1 d4 24.ed4 cd4 25.Bd4 (25.Ba3 Qe5 26.Bf8 Rf8+/–) 25...Qe6 (25...Bg4 26.Rd2+=) 26.c5 (26.Re1 Qg4 27.Qc3 Ne8+/–) 26...Qe4 (better is 26...Rfe8+=) 27.Bf1?? (better is 27.Qe4 Ne4 28.Be5+/–) 27...Qc2–+ 28.Bh3 Rad8 29.Rdc1 Qg6 (29...Rd4?! 30.Rc2 Rb8 31.Re2=) 30.Be3 Ng4 (30...Nd5 31.Bd2–+) 31.Bg4 (31.Bf4 f5 32.Bc7 Rd2–+ (< 32...Qc6 33.Bd8 Rd8 34.Bg2–+)) 31...Qg4 32.Rf1 (32.Bf4 Rc8–+) 32...Qf3 33.Ra2 (33.Rab1 Rd3 34.Bf4 Qc6–+) 33...Rfe8 34.Rc2 h5 35.h4 (35.Rc4 Rd1 36.Rf4 Rf1 37.Kf1 Qd1 38.Kg2 Qd5 39.Kh3 g5–+) 35...f5 (better is 35...Re3 36.Kh2–+) 36.Bg5 (36.Rd2 Qc6 37.Rd8 Rd8–+) 36...Rd5 37.Rcc1 f4 (better is 37...Rd4 38.Ra1–+) 38.Bf4 Rf5 39.Rc4 (39.Bc7 Re2 40.Bf4 Rf4–+) 39...Rf4 (better is 39...Qc6 40.Rfc1–+) 40.Rf4 Qc6 41.Rd1 Qa4 (better is 41...Qc5 42.Rfd4 Re2–+) 42.Ra4+– Re1 (42...Ra8+–) 43.Re1 c6 44.Ra5 Kf7 45.Ra7 (45...Kf6 46.Ra6 Kf7 47.Rc6 Kg8 48.Re8 Kf7 49.Rb8 Ke7 50.Rb7 Kd8 51.Rg7 Ke8 52.Rc8; 45.Ra6 Kg6 46.Rc6 Kf7 47.Ra1 Kf8 48.Ra8 Kf7 49.Rb8 Ke7 50.Rb7 Kd8 51.Rg7 Ke8 52.Rc8) 1–0. OPA – PROBALLS, Live Game Caissa's Web, 2004.

8.Ba1 c5 9.c4 Bb7 10.Be2 Nbd7 11.0-0 Be7 12.d3 0-0 13.Nbd2 Qc7 14.Ne1 (14.Bb2 dc4 15.dc4 e5=) 14...Ra8=+ 15.Nef3 e5 16.cd5 Nd5 17.Nc4 Ra2 (17...Bd6 18.Ng5=) 18.Nfe5+= (18.Be5 Ne5 19.Nfe5 Nc3-/+; 18.Nce5?! Ne5 19.Ne5 Bd6=) 18...Bf6 19.Nd7 Ra1?? (better 19...Ba1 20.Bg4 Ra7+=) 20.Nf6+- Nf6 21.Qa1 Qd7 22.Qa7 h6 (22...Bc6 23.Qb8 (23.bc6?! Qa7 24.d4 h6+/-) 23...Qe8 24.Qb6 (24.bc6?! Qb8 25.d4 Qc7+/-) 24...Bb5 25.Nd6+-) 23.Nb6 Qc7 (23...Qb5 24.Qb7 Kh7 25.Qa7+-) 24.Bf3 1-0. PEREIRA – Ryxyy, internet, 2022.

8.Ba1 Bd7 9.c4 dc4 10.Bc4 Be7 11.Be5 0-0 12.0-0 Bd6 (12...c6 13.Nc3=) 13.d4+= Be5 14.Ne5 c6 15.Nc3 cb5 16.Nb5 Nc6 17.Nc3 Ne5 (17...Be8 18.f4+=) 18.de5+– Ne4?? (better 18...Qc7 19.Qd4 Rc8+–) 19.Ne4+– Qc7 20.Qd4 Bc6 21.Nd6 Rd8 22.Rb1 b5 23.Bb5 Bb5 24.Nb5 Rd4 25.Nc7 (25.ed4?! Qc2 26.Na3 Qc8=) 25...Rd8 26.Ra1 g6 (26...h6 27.Kf1+–) 27.Ra8 Ra8 28.Na8 Kf8 29.Nb6 Ke7 30.Nc8 Kd7 31.Nd6 f6 (31...Ke7 32.f4+–) 32.Ne4 fe5 33.Nf6 Ke7 34.Nh7 Kf7 35.Ng5 Kf6 36.h4 e4 37.Ne4 Ke5 (37...Ke7 38.Nc5 e5 39.Nd3+–) 38.f3 1–0. DEFFM – GuestSSCD, freechess.org, 2018.

8.Ba1 Nbd7 9.d4 Bb4 10.Bc3 Be7 (10...Bd6 11.Nbd2=) 11.Nbd2 Bb7 12.Bd3 0-0 13.0-0 Ne4 14.Bb2 c5 15.bc6 Bc6 16.Qe2 b5 17.Bb5 Nd2 18.Nd2 Bb5 19.Qb5 Qc7 20.Qd3 Rb8 21.Rb1 Bd6 22.g3 Rc8 23.c3 (23.Rc1 Bb4+=) 23...Nb6 24.Ra1 Rb8 25.Ra6 e5 26.Ba3 Ba3 27.Ra3 e4 28.Qa6 g6 (28...Rb7 29.c4 dc4 30.Nc4+–) 29.Rb3+– Kg7 30.Qa5 Qd8 (30...h6 31.Qc5 Qd8 32.c4 Nc4 33.Rb8 Qb8 34.Nc4 dc4 35.Qc4 Qb1 36.Kg2+–) 31.Qa7 Nd7 32.Rb8 Nb8 33.c4 dc4 34.Nc4 Nd7 35.d5 Kg8 36.d6 f5 37.Qc7 Qe8 38.Kg2 Kf8 39.Na5 1–0. marektheim – chin4ever, internet, 2015.

7.c4 0-0 8.d4 h6 9.Ne5 (9.Nc3 Nbd7=) 9...Bb7 10.Bd3 (10.Nc3 ab5 11.ab5 Ra1 12.Qa1 c5 13.bc6 Nc6 14.cd5 Ne5 15.de5 Be5 16.de6 fe6=+) 10...Nbd7 (10...dc4 11.Bc4 ab5 12.Bb5 Be5 13.de5 Qd1 14.Kd1 Bg2 15.Rg1 Bf3 16.Ke1-/+) 11.f4 (11.0-0 Qe8=) 11...ab5 (11...Ne5!? 12.de5 dc4 13.ef6 Bb4 14.Kf2 Qd3 15.Qd3 cd3 16.fg7 Rfd8-/+) 12.cb5=+ Ne5 (12...Bb4 13.Bc3 Be7 14.0-0=) 13.de5 Bb4 14.Ke2 (14.Bc3!? Bc3 15.Nc3=) 14...Nd7-/+ 15.Nd2 Nc5 16.Ba3 (16.Nf3 c6-/+) 16...Ba3 17.Ra3 Ra4?? (better 17...d4 18.Nf3 de3-+) 18.Ra4+- Na4 19.Qa4 d4 20.ed4 (better 20.Qd4!? Bg2 21.Qd8 Rd8+-) 20...Bg2 21.Rg1 Bd5 22.Be4 (better 22.Ke3!?+-) 22...Be4+/- 23.Ne4 Qh4 24.Rf1 (24.Ke3!? Qh3 25.Rg3 Qh2+/-) 24...Qh2+/- 25.Ke1 (25.Rf2!? Qh1 26.Nc3+/-) 25...Qb2 26.Rf2?? (better 26.Ng3 Qg2 27.Qb3+=) 26...Qb1-+ 27.Ke2 (27.Qd1 Qe4 28.Qe2 Qd4 29.Kf1-+) 27...Qe4 28.Kf1 Rd8 (better 28...Ra8 29.Qa8 Qa8 30.Rd2-+) 29.Qc4 (29.Qc2 Qc2 30.Rc2 Rd4-+) 29...Rd4 (better 29...Ra8 30.Kg1 Ra1 31.Qf1 Qd4 32.Qa1 Qa1 33.Kg2-+) 30.Qc2 Qc2 31.Rc2 0-1. Darkseid (1750) - Ancatil (1775), ChessWorld.net, 2006.

7.Be2 Nbd7 8.Nc3 (8.Nd4 0-0=) 8...0-0 9.0-0 Bb7 (9...e5 10.Ng5=+) 10.Nd4= ab5 11.ab5 Qe7 12.f4 Ra1 13.Qa1 Ra8 14.Qe1 Bc5 15.Qf2 Ne8 16.Bd3 Bd4 17.ed4 Ndf6 18.Qe2 Nd6 19.Ra1 (19.f5 Nfe4 20.fe6 Qe6=) 19...Ra1=+ 20.Ba1 Nfe4 21.g3 (21.Qe3 Qh4 22.Ne4 de4=) 21...Qd8 22.Qe1 Qa8 23.Bb2 Qa5 24.Be2 (24.Kf1 c6=+) 24...Qb4 25.Ne4 de4 26.Bc3 Qa4 27.Qb1 Bd5 28.Kf2 Bc4 29.Qb4 Bb5 30.Qa4 Ba4 31.Bd1 Nf5 32.Bg4 (better 32.Bb2!?–/+) 32...Bc2–+ 33.Bf5 ef5 34.Bb4 c6 35.Bd6 f6 36.Ke3 Kf7 37.Bc7 b5 38.Bd6 Ke6 39.Bf8 g6 40.h4 Kd5 41.Be7 Kc4 42.Bf6 b4 43.Be7 Bd3 44.Bf8 Bf1 45.Be7 Kb5 46.Kf2 Bc4 (46...Bd3 47.Ke3–+) 47.Ke1 Ka4 48.Kd1 Bb3 49.Kc1 Kb5 50.Bd6 Bd5 51.Kd1 Kc4 52.Ke2 (52.Kc1 b3–+) 52...b3 53.Ba3 Kd4 54.Bb2 Kc4 55.Bf6 c5 56.Bg7 (56.Bc3 Kb5–+) 56...Kb4 57.Kd1 (57.Bb2 Bc4 58.Kd1 Bd3–+) 57...Bc6 (57...Ka3 58.Kc1–+) 58.Bc3 (58.Bb2 Bb5–+) 58...Kc4 (58...Ka3 59.Kc1–+) 59.Ke2 Kb5 60.Kd1 Bd5 61.Bg7 Bf7 62.Bb2 (62.Bc3 Bc4–+) 62...Kc4 63.Ke2 Be8 64.Bg7 Kd5 65.Ke1 Bb5 66.Kf2 Kc4 67.Ke3 Kb4 68.Bb2 Bf1 69.Kf2 Kc4 70.Ke3 Kd5 71.Kf2 Bd3 72.Ke1 Kc4 73.Kf2 Kb5 74.Ke3 Kb4 75.Kf2 Kc4 76.Ke3 Bf1 77.Bh8 Kd5 78.Kf2 Bh3 79.Ke3 c4 80.Bd4 Bf1 81.Be5 Bg2 82.Bd4 Bf3 83.Bb2 ½–½. pierred (2850) – pcmvr, net–chess.com, 2016.

7.c4 dc4 8.Bc4 ab5 9.ab5 Ra1 10.Ba1 Bb4 11.Qb3 White gets in control 11...Bc5 (11...Bd6 12.0-0+=) 12.0-0 c6 13.Bf6 Qf6 14.d4 Bd6 15.bc6 The passed pawn on c6 will quickly become a dangerous weapon 15...Bc8? (better 15...Nc6 16.Qb6 0-0+/-) 16.Qb6+- 0-0 (16...Qd8 17.Qd8 Kd8+-) 17.c7 Nd7 (17...Bc7 18.Qc7 Ba6 19.Ba6 Na6 20.Qb7+-) 18.Qd6 Qg6 (18...Qf5 19.Na3+-) 19.Bb5 e5 (19...Nf6 20.Rc1 Qf5 21.Qe5+-) 20.de5 (20.Bd7 Qd6 21.Bc8 Rc8 22.Ne5 Rc7-/+) 20...Ne5 (20...Qe6 21.Rd1 Qd6 22.ed6+-) 21.Qe5 (21.Ne5? Qd6 22.f4 Be6-+) 21...Bh3 (21...Bb7 22.Nbd2+-) 22.Ng5 (better 22.Qg5 Qg5 23.Ng5+-) 22...f6 (22...Bc8+-) 23.Qd5 Kh8 24.Qd8! fg5 (24...Rd8 25.cd8Q The nicest combinations are those leading to mate) 25.Qf8 1-0. DEFFM – sprem, freechess.org, 2020.

7.c4 Ne4 8.cd5 (8.Nc3 c6=) 8...ed5 9.Qc2 (9.Nc3 ab5 10.ab5 Ra1 11.Qa1 Nf6=) 9...Nf6 (9...c5 10.Nc3 Nc3 11.Bc3=) 10.Bd3 (10.Ne5 ab5 11.Bb5 Bd6+=) 10...h6 (10...c5 11.0-0=) 11.0-0 (11.Ne5 ab5 12.Nd7 Nbd7 13.ab5 Ra1 14.Ba1 Bd6+=) 11...Bc5 (11...c5 12.Ne5+=) 12.e4 (12.Nc3 c6+=) 12...de4 (12...ab5 13.e5 Nh5 14.ab5 Ra1 15.Ba1=) 13.Be4+= (13.Be4 Ra7 14.Ne5+=) 1–0. DEFFM – GuestRCGD, freechess.org, 2018.

6.Na3 Nbd7 7.c4 Bc5 8.Rc1 Qe7 9.Nc2 0-0 10.Ncd4 Ba3 11.Qb3 Bb2 12.Qb2 Nc5 13.Ne5 Nfe4 14.Ndc6 Qf6 15.d4 Na4 16.Qc2 a6?? (better is 16...Bc6 17.bc6 Rfe8+/–) 17.Nd7+– (17.Qa4?? Qf2 18.Kd1 Qd2) 17...Qg6 (17...Qh4 18.g3 Qh6 19.Ne7 Kh8 20.ba6 Ba6 21.Nf8 Qf6 22.cd5 Nac3+–) 18.Ne7 Kh8 19.Ng6 fg6 20.Nf8 Rf8 21.ba6 Ba6 22.Qa4 dc4 1–0. Leon Manas,JF (1720) – Biscarri Candalia,O, Gran Canaria ESP, 3rd Mendoz Mem, 2011.

6.a4 c6 7.a5 ba5 8.Be2 a6 9.bc6 Nc6 =+.

6.a4 Nbd7 7.c4 Bb4 8.Be2 0-0 9.0-0 Ne4 (9...dc4 10.Bc4 c5 11.Qe2=) 10.d3 Nd6 11.Nbd2 (11.cd5 Bd5 12.Nc3 Bb7+=) 11...Bd2 (11...c5 12.bc6 Bc6 13.cd5 Bd5 14.Rb1=) 12.Nd2 Ne5?? (better 12...a6+=) 13.Be5+- dc4 14.dc4 Qg5 15.Bg3 Nf5 16.Bf3 Bf3 (16...Ng3 17.hg3 (17.Bb7?! Nf1 18.Nf3 Qc5 19.Qf1 Rab8+-; 17.fg3?! Qe3 18.Rf2 Bf3 19.Qf3 Qf3 20.Nf3 a6+-) 17...Bf3 18.Nf3+-) 17.Nf3 (17.gf3?! Rfd8+-) 17...Qg4 (17...Qe7 18.Bf4+-) 18.Qc2 (18.Bf4 Nd6+-) 18...Rfd8 (18...Ng3 19.fg3 a5 20.Ne5+-) 19.Rad1 (19.Bc7 Rdc8 20.Bf4 Ne7+-) 19...Nd6 (19...Ng3 20.fg3 f6 21.Rd4 Rd4 22.ed4+-) 20.Rd4 Qf5 21.Qf5 Nf5 22.Rd8 Rd8 23.Bc7 Rc8 24.Rd1 h6 (24...f6 25.Rd8 Rd8 26.Bd8+-) 25.Rd8 (better 25.Rd7!? Kf8 26.e4 Ke8+-) 25...Rd8 26.Bd8 Nd6 27.Nd2 (27.Ne5 Nc8+-) 27...f6 (27...Nb7 28.Bc7 Nc5 29.a5 ba5 30.Ba5+-) 28.Bc7 Nf7 (28...Nc8+-) 29.Bb8 e5 1-0. BeepBeepImAJeep - tomlittle74, IM BeepBeepImAJeep simul, lichess.org, 2017.

6.Nc3 a6 7.Bd3 Bd6 8.0-0 0-0 9.a4 e5 =+.

6.Nc3 c5 7.Be2 Nbd7 8.0-0 Bd6 9.h3 0-0 0–1. Valverde,Mario (1910) – Mangold,Wagner (2205), CiF–4er/0202, 2011.

6.Nc3 Bd6 7.Bd3 a6 8.0-0 0-0 9.a4 c6 =.

6.c4 a5 7.a4 Nbd7 8.Be2 h6 9.0-0 g6 10.Qc2 g5 11.d4 g4 12.Ne1 h5 13.f4 Bd6 14.Nd3 Rc8? (better is 14...Qe7+=) 15.c5+– bc5 16.dc5 h4 17.c6 Ba8 18.cd7 Kd7 19.Ne5 Be5 20.Be5 Rh6 21.Qc3 g3 22.h3 c6 23.Qc5 Ne4 24.Qa7 Rc7 (24...Ke8 25.b6 Qd7 26.Qa5+–) 25.Qc7 (better is 25.Bc7 Qc7 26.Qa8+–) 25...Qc7 26.Bc7 Kc7 27.bc6 Kc6 28.Rc1 Kd7 29.Nc3 Nd2 30.Nb5 Nb3 (30...Bc6 31.Nd4 Bb7+–) 31.Rc7 Ke8 (31...Kd8 32.Rb1 Nd2+–) 32.Rb1 e5 33.Rb3 Kd8 34.Rbc3 (34.Rbc3 ef4 35.Rc8 Ke7 36.Ra8 fe3 37.Ra5+–) 1–0. Dessing,Bastiaan – Rink,Tycho, Hengelo U14 open, 2002.

6.c4 Qe7 7.cd5 Bd5 8.Nc3 Bb7 9.Be2 Qb4 10.Rb1 Qg4 11.0-0 Bb4 12.h3 Qf5 (12...Qg6 13.Rc1+=) 13.a3 Bc3 14.Bc3 0-0 15.Nd4 Qg6 16.Nf3 (16.Bf3 Bd5+=) 16...Ne4 (16...a6 17.Be5 Nd5 18.Qb3=) 17.Bb2+= Nc5 (17...c5 18.Ne5 Qg5 19.Bf3+=) 18.d4+– Ncd7 19.Bd3 c6?? (better 19...f5+=) 20.Bg6+– (20.Bg6 hg6 21.bc6 Nc6 22.Qe2+–) 1–0. GuestQFPL – GuestKKNT, freechess.org, 2017.

6.c4 h6 7.Nc3 Bc5 (7...Bd6 8.cd5 ed5 9.Nd4=) 8.cd5+= Nd5 (8...ed5 9.Be2+=) 9.Nd5+– Qd5 10.Bg7 Rg8 11.Bh6 Nd7 12.Bf4 0-0-0 (12...e5 13.Bg3 e4 14.Be2+–) 13.Rc1 f6 (13...Qf5!?+–) 14.Bc4+– Qf5 (14...Qe4 15.Bg3 Kb8 16.Qc2+–) 15.Nd4 Bd4 16.Be6 Qe6 17.Rc7 Kb8 18.Rc6 Qe5 19.g3 Bc6 (19...f5 20.Qc2 Bc5 21.Qf5 (21.Be5?! Ne5 22.Qa4 Rge8+=) 21...Bc6 22.bc6+–) 20.bc6 (20.Be5?! Ne5 21.bc6 Bc5+–) 20...Nc5 (20...Qf4 21.gf4 (21.ef4?! Nc5+–) 21...Nc5 22.Qh5+– (22.ed4?! Rd4 23.Qh5 Rc8+–)) 21.Be5 Be5 22.d4 Ne4 (22...Rge8 23.0-0 Bc7+–) 23.Qc2 Ng3 (23...f5 24.de5 Rde8+–) 24.de5 Nh1 25.Qh7 Rg1 (25...Rd1 26.Kd1 Rg1 27.Kc2 Rc1 28.Kc1 Kc8 29.Qd7 Kb8 30.Qb7) 26.Ke2 (26.Ke2 Re1 27.Ke1 Rd1 28.Kd1 Nf2 29.Ke2 Kc8 30.Qd7 Kb8 31.Qb7) 1–0. Ddgs – Shatri, internet, 2019.

6.d3 Bd6 7.c4 a6 8.Nc3 0-0 9.a4 Nbd7 10.cd5 ed5 (10...Nd5!? 11.Nd5 Bd5–/+) 11.Be2+= ab5 12.Nb5 Be7 13.0-0 c6 14.Nbd4 Bd6 15.Nf5 Bc7 16.Rc1 Nc5 17.Ng5? (better is 17.Ne5!?=) 17...Na4–/+ 18.Qc2 (18.Bd4!?–/+) 18...Nb2 19.Qb2 c5 20.Bf3 (20.Ra1!?–+) 20...h6 21.Nh3 Qd7 (21...Bc8!? 22.Ng3–+) 22.Nh6 Kh7 23.Nf7 Rf7 24.Ng5 Kg8 25.Nf7 Qf7 (25...Kf7 26.h4–+) 26.Ra1–/+ Ra1 27.Ra1 Bc6 28.Ra7?? (better is 28.h4–/+) 28...Bh2!–+ 29.Kh2 Qa7 30.d4 (30.Qe5 Kf7–+) 30...c4 31.g4 Qc7 32.Kg2 b5 33.g5 (33.Qa3 Qd7–+) 33...Ne4 34.g6 (34.Be4 de4 35.Qc3 Bd5–+) 34...Qa5 (better is 34...Qd6!? 35.Be4 de4 36.Kf1–+) 35.Be4 de4 36.d5 (36.Qe2 Qd8 37.Qh5 Qf6–+) 36...Bd5 37.Qd4 (37.Qe5 Qd8 38.Qh5 c3 39.Qh7 Kf8 40.Qh8 Bg8–+) 37...Qd8 (37...b4 38.Qe5 Qd8 39.Qh5–+) 38.Qe5 (38.Kf1 b4 39.Ke2 Kh8–+) 38...b4 39.Qh5 b3 (39...Qd6 40.Qh7 Kf8 41.Qh8 Bg8 42.Qh5–+) 40.Qh7 (40.Qe5 c3! 41.Qc3 Be6–+) 40...Kf8 41.Qh8 Bg8 42.Qh5 Bd5 (42...Qd5!? 43.Qh3 Ke7 44.Qc8–+) 43.Qf5?? (43.Qh8 Ke7 44.Qg7 Kd6 45.Kf1–+) 43...Kg8–+ 44.Kg3 (44.Qe5–+) 44...Qd6 45.Kh4 Qf6 46.Kg3 (46.Qg5 b2 47.Qf6 gf6 48.Kg3 b1Q 49.Kg2 c3 50.g7 c2 51.Kh2 c1Q 52.Kh3 Qh1 53.Kg4 Qf3 54.Kh4 Qbh1) 46...Qf5 0–1. preethan (2135) – cristero (2460), net–chess.com, 2015.

6.Bd3 a6 7.Nc3 Bd6 8.0-0 0-0 9.a4 e5 =+.

6.Bd3 Bd6 7.Nc3 a6 8.0-0 0-0 9.a4 c6 =.

6.Bd3 Nbd7 7.Nc3 Nc5 8.0-0 Nd3 9.cd3 Bd6 10.Ne2 0-0 11.Be5 Rc8 (11...a6 12.a4=) 12.Qa4 Ra8 13.Qf4 Be5 14.Qe5 c5 15.bc6 Bc6 16.Ned4 Bd7 17.Rfc1 Rc8 18.Qd6 Ba4 (18...Rc5!?+/–) 19.Qa3 Qd7 (19...Bd7 20.Ne5 Rc1 21.Rc1+/–) 20.Ne5+– Rc1 21.Rc1 Qe8 22.f4 b5 (22...a5 23.Rc7+–) 23.Rc7 Qb8 (23...a5 24.Qc5 h6 25.Qa7+–) 24.Qc5 a6 (24...Qb6 25.Qe7 b4 26.Ra7 Be8+–) 25.Nf7! b4 (25...Rf7 26.Rc8 Double attack) 26.Ne5 b3 (26...Re8+–) 27.ab3 Bb3 (27...Re8 28.ba4 h6+–) 28.Ne6 d4 29.Rg7 Kh8 30.Ng6! hg6 31.Qg5 (31.Nf8?! Kg7 32.Qe7 Kg8 33.Qf6 Qf8 34.Qg6 Qg7 35.Qa6 Qc7+–) 31...Be6 (31...Qf4 32.ef4 Nh7 33.Qg6 Ng5 34.Rh7 Nh7 35.Qg7 mate) 32.Qh6 (32.Qh6 Nh7 33.Qh7 mate) 1–0. pierre – thlaxa, internet Microsoft, 2012.

6.Bd3 Be7 7.Nc3 a6 8.a4 0-0 9.0-0 c5 =.

6.d4 Bb4 7.Nbd2 a6 8.a4 ab5 (8...0-0 9.Bd3=) 9.ab5 Ra1 (9...c6 10.Ra8 Ba8 11.Qa1=) 10.Qa1 c6 (10...Nbd7 11.Qa4 Ba5 12.c3=) 11.Bd3 (11.Ba3 Ba3 12.bc6 Nc6 13.Qa3 Qe7=) 11...0-0 (11...Ne4 A) 12.Be4 de4 13.Qa7 Qc7–/+ (13...ef3?! 14.Qb7 fg2 15.Rg1=+); B) 12.c3 Nd2 13.Nd2=) 12.0-0 cb5 13.Bb5 (better 13.Ba3 Ba3 14.Qa3=) 13...Ba5?? (better 13...Qe7=) 14.Ba3+– Re8 15.Be8 Qe8 16.Bd6 (16.Rb1 Nc6+–) 16...Ba6 (16...Nc6 17.Rb1+–) 17.Rb1 Nbd7 (17...Nc6 18.Bc7+–) 18.Bb4 (better 18.Nb3 Ne4 19.Bf4+– (worse 19.Na5 Nd6 20.Nc6 Be2+–)) 18...Ne4? (better 18...Bb4 19.Rb4 Qc8+–) 19.Ba5 ba5 20.Qa5 (20.Ne4 de4 21.Nd2 Qd8+–) 20...Qc8 (20...Nd2 21.Nd2 (21.Qa6? Nb1 22.c4 dc4–+; 21.Qd2?! Qc8+–) 21...Qc8 22.e4 de4 23.Ne4+–) 21.Ne4 de4 22.Ne5 Ne5 (22...Nf8 23.Qa4 Ng6 24.Rb6+–) 23.Qa6!! Qa6 (23...Qa6 24.Rb8 Mate attack) 24.Rb8 Qc8 25.Rc8 1–0. Anonymous – Anonymous, lichess.org, 2020.

6.d4 d5 7.Bd3 (7.c4 a6=) 7...Bd6 (7...a6 8.a4=) 8.0-0 Ng4 (8...a6!?=) 9.Ne5 Be5 (9...h5 10.h3 Ne5 11.de5+=) 10.Qg4 (10.de5!? Nh6 11.Nd2+–) 10...Bf6+= 11.Ba3 (11.Nd2 Nd7+=) 11...Nd7 (11...a6 12.Nc3 ab5 13.Nb5 Ba6=) 12.Nd2 (12.Nc3+–) 12...h5?? (better 12...a6=) 13.Qe6+– fe6?? (better 13...Qe7 14.Be7 fe6 15.Bf6 gf6+–) 14.Bg6 1–0. DEFFM – FOWARDL, freechess.org, 2019.

6.d4 Ne4 7.a3 Be7 8.Bd3 Nf6 9.Nbd2 0-0 10.0-0 Bd6 11.Re1 c6 12.a4 Qc7 13.Ba3 Re8 14.c4 Nbd7 15.Qb3 (15.Bd6 Qd6 16.cd5 ed5 17.bc6 Bc6+=) 15...Ng4 (15...c5!?=) 16.Bd6+/– Qd6 17.Rac1 Rac8 18.Qb2 e5 (18...Ngf6 19.e4 de4 20.Ne4+=) 19.de5 (better is 19.Bf5!? e4 20.Bg4 ef3 21.Nf3+–) 19...Nde5 20.Ne5 Ne5 21.Be2 c5 22.Nf3 (22.cd5 Qd5 23.e4 Qe6=) 22...Qf6 (22...Nc4 23.Bc4 dc4 24.Rc4 Bf3 25.gf3+=) 23.Ne5= Re5 24.Bf3 Rd8 25.Red1 Qe7 26.Rd2 Qg5 (26...f5 27.a5+=) 27.cd5 (27.Bd5 Red5 28.cd5 (28.Rd5?! Bd5 29.cd5 Qd5=) 28...Bd5 29.f4+–) 27...Bd5+= 28.Rcd1 Rf5?? (better is 28...Rd7 29.g3 Qf5+=) 29.Qb3 c4 (29...Qh4 30.g3 (30.Bd5?! Rdd5 31.g3 Rd2 32.gh4 Rff2 33.Rd2 Rd2+–) 30...Qf6 31.Bd5+–) 30.Qc4 Rf3 (30...Qe7 31.Bd5 Kf8+–) 31.Rd5 Qe7 32.Rd8 (32.Rd8 Qf8 33.Rf8 Kf8 34.Qb4 Ke8 35.Qe4 Kf8 36.Rd8) 1–0. Fournier,Frederic – Serriere,Claude, Ch Club, 1995.

6.Be2 a5 7.0-0 Be7 8.c4 0-0 9.Nc3 c5 10.d4 Nbd7 11.a4 Rc8 12.Rc1 (12.cd5 Nd5 13.Rc1 Nc3 14.Rc3 Bf6=) 12...dc4=+ 13.Nb1 cd4 14.ed4 (14.Qd4 Bd5=+) 14...Bd5 15.Nfd2 c4 draws heavy fire 15...Bb4 16.Nc4 Qe7 17.Nbd2 Rc7 18.Ne3 Rfc8 19.Ndc4 Ne4 20.Bd3 Nd6 (20...Bb7!?=+) 21.Nd5= ed5 22.Nd6 Qd6 23.Rc7 Rc7 24.Qf3 Nf6 25.Bc1 Qe6 (25...Rc3 26.Rd1+=) 26.Bf5 Qc6?? (better 26...Qe7+=) 27.bc6+– (27.bc6 Rc6 28.Bg5+–) 1–0. GuestPBNJ – GuestLFLL, freechess.org, 2017.

6.Be2 Bc5 7.a4 0-0 8.0-0 Nbd7 9.d4 Bd6 10.Nbd2 c6 11.c4 cb5 12.ab5 dc4 13.Nc4 Bc7 14.Nfe5 (14.Ba3 Re8+=) 14...Ne5 15.Ne5 Ne4 16.Qc2 (16.f3 Be5 17.fe4 Bd6+=) 16...Be5= 17.de5 Qg5 18.Bf3 f5 (18...Rfc8 19.Qe2=) 19.Rfd1 (19.ef6 Qb5 20.Be4 Be4 21.Qe4 Qb2 22.Qe6 Kh8 23.fg7 Qg7+–) 19...a5 (19...Bd5 20.Bd4+=) 20.Ra4 (20.ba6 Ra6 21.Ra6 Ba6+–) 20...Nc5 (better 20...Rac8!? 21.Qe2 Bd5=) 21.Bb7+– Na4? (better 21...Nb7 22.Bd4 Qd8+–) 22.Qa4+– Ra7 (22...Rad8 23.Rd8 Qd8 24.Bd4+–) 23.Bc6 f4 (23...Rd8 24.Ba3 h6 25.f4 Rd1 26.Qd1+–) 24.Bd4 (better 24.ef4 Rf4 25.Qb3+–) 24…f3 1–0. GuestDMQZ – GuestBWBW, freechess.org, 2017.

6.Be2 Be7 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 Be7 6.Be2 d5).

6.Be5 a6 7.Nc3 Nbd7 8.ba6 Ba6 9.Ba6 Ra6 =.

6.Be5 c6 7.Nc3 a6 8.ba6 Ba6 9.Ba6 Ra6 =.

6.Be5 Nbd7 7.Bf4 a6 8.Nc3 Ne4 9.Ne4 de4 =+.

6.Be5 Be7 7.Nc3 Nbd7 8.Bg3 0-0 9.Nd4 Bb4 =+.

6.g3 Bd6 7.Bg2 Nbd7 8.0-0 0-0 9.a4 a6 10.Ba3 Nc5 11.Nc3 ab5 12.ab5 Qd7 13.d4 Nce4 14.Ne4 Ne4 15.Bd6 Qd6 (15...Nd6!? 16.Qd3 Qb5-/+) 16.Qd3= h6 17.Nd2 Nd2 18.Qd2 Ra1 19.Ra1 Ra8 20.Ra8 Ba8 21.c4 c6 22.Qc3 c5 (22...Bb7!?+=) 23.Qa3 Bb7 (23...Qf8 24.dc5 bc5 25.Qa7+/-) 24.dc5 (24.Qa7 Bc8 25.cd5 cd4 26.ed4 Bd7 27.Qa8 Kh7 28.de6 Be6+-) 24...bc5 (better 24...Qc5!? 25.Qa7 Bc8 26.cd5 ed5+/-) 25.Qa7+- Qd7 26.Qc5 dc4 27.Bb7 Qb7 28.Qc4 Kf8 29.Qb4 Ke8 30.b6 g6 31.Qb5 Kd8 32.h4 Qd5?? (better 32...h5+-) 33.Qd5 (better 33.Qb4 Qd1 34.Kg2 Qd5 35.e4+-) 33...ed5+/- 34.Kg2 Kc8 35.Kf3 Kb7 36.e4 (better 36.Kf4 f6 37.h5 gh5 38.Kf5 Kb6 39.Kf6+-) 36...d4 37.Ke2 Kb6 38.g4 Kc5 39.g5?? (better 39.Kd3+-) 39...hg5-/+ 40.hg5 Kc4 41.Kd2 d3 42.e5 Kd4 43.f4 (43.Kd1 Ke5 44.Kd2-+) 43...Ke4 44.f5 Kf5 45.Kd3 Ke5 (45...Ke5 46.Ke3 Kf5-+) 0-1. Bushwacker (1870) - claymil (2030), ChessWorld.net, 2013.

7.c4 ab5 8.cb5 Bd6 9.Be2 0-0 10.0-0 Ne4 11.d3 Nf6 12.Nbd2 Nbd7 (12...c5 13.bc6 Nc6 14.Qb3=) 13.Rc1 (13.Nb3 c5=) 13...Nc5 (13...Ra7 14.Qc2=+) 14.Ra1= Qe7 15.Ne5 (15.Qc2 Rfc8=) 15...Nfd7 (15...Ra7 16.Bd4=+) 16.Nd7 (16.f4 f6 17.Nc6 Bc6 18.bc6 Nb8=) 16...Qd7 (16...Nd7 17.Nb3=) 17.Nf3 (17.Qc2 f5=) 17...f6 18.Qc2 e5 (18...c6 19.d4 Ne4 20.Ba3=+) 19.Rfc1 (19.d4 ed4 20.Bd4 Ne4=) 19...Ra7 (19...Ne6 20.d4 e4 21.Nd2=) 20.d4+= ed4 21.Nd4 (21.Bd4 Ne4=) 21...Ne4 (21...Rfa8 22.Nf5 Be5 23.Bd4=) 22.Nc6 (22.Ba3 Bc5+=) 22...Raa8 (22...Bc6 23.Qc6 Qc6 24.Rc6+=) 23.Bd1 (23.a5 Bc6 24.bc6 Qf5+=) 23...Nc5= 24.h3 (24.Nd4!?=) 24...Bc6=+ 25.bc6 Qc6 Increasing the pressure on the isolated pawn on a4 26.Bd4 Qb7 27.Bf3 (27.a5 Ne6 28.Qb3 Be5+=) 27...Rfd8 (27...Ne4 28.Qb3 Kh8 29.Be4 de4 30.Bc5=+) 28.Bc5 Bc5 29.Qb3 (better 29.a5=+) 29...c6?? (better 29...Ra5=+) 30.Rc5!+- b5 (30...bc5 31.Qb7 Pinning (31.Qb7 Deflection)) 31.a5 (better 31.Rac1 Ra7 32.ab5 Ra5+-) 31...Qa7 (31...Kh8+-) 32.Rc6 Kh8 33.Rb6 Qb6 (33...Qe7 34.Rb5 Ra7 35.Rd5+-) 34.ab6 Ra1 35.Kh2 Raa8 36.Qb5 Rab8 37.Bd5 h6 38.b7 Kh7 39.Be6 Kg6 (39...Re8 40.Qe8! Re8+-) 40.Qf5 1-0. Abdullaevich (1895) - Trakus (1900), lichess.org, 2020.

7.Be2 Bd6 8.Nc3 0-0 9.0-0 e5 =+.

7.Be2 Bd6 8.0-0 Nbd7 9.h3 Rc8 10.d3 Bb8 (10...0-0 11.a5=) 11.Nbd2 Qc7 12.c4 g5 (12...dc4 13.dc4 (13.Nc4? Bf3 14.g3 Bd5-+) 13...e5 14.Nh4=) 13.e4 (13.cd5!? ed5 14.a5+=) 13...de4= 14.de4 (14.Ne4 Be4 15.de4 h5=) 14...Rg8 Black plans g4 (14...h5 15.g3 g4 16.hg4 hg4 17.Nh2=+) 15.e5 (15.Bd3 g4 16.hg4 Ng4=) 15...g4=+ 16.hg4 (16.ef6 gf3 17.g3 Rg3 18.Kh1 Rh3 19.Kg1 Qh2) 16...Ng4 Increases the pressure on e5 17.Qc2 Nge5 18.Qh7 Nf3 (18...Nf8 19.Qh6=+ (19.Qg8? Nf3 20.Nf3 Bf3-+)) 19.Nf3 (better 19.Bf3 Nf8 20.Qh6=) 19...Rg2?? (better 19...Nf8 20.Qh6 Ng6=) 20.Kg2+- Bf3 (20...Qf4 21.Rg1 Be5+-) 21.Bf3 (worse 21.Kf3 Qf4 22.Kg2 Qg5 23.Kh3 Nf8+-) 21...Ke7 (21...Qf4 22.Rfd1 Ke7 23.Bc6+-) 22.Rfe1 (better 22.Qh4 Ke8 23.Bc6 Qf4 24.Bd7 Kd7 25.Rfd1 Ke8 26.Qh8 Ke7 27.Bf6 Qf6 28.Qc8 Bd6+-) 22...Rf8 (22...Qf4 23.Re4 Nf8 24.Qh5+-) 23.Rad1 (better 23.Re6 Ke6 24.Re1 Ne5 25.Qh6 Ke7 26.Qg7+-) 23...Ke8 (23...Qf4 24.Bc1 Nf6 25.Re6 Ke6 26.Qh3 Qf5 27.Re1 Be5 28.Re5 Ke5 29.Bb2 Ke6 30.Bd5 Nd5 31.cd5 Ke7 32.Qf5 Rg8 33.Kf3 Rg6+-) 24.Bg7 (better 24.Bc6 Qh2 25.Qh2 Rg8 26.Qg3 Rg3 27.fg3 Bd6 28.Rd6 Ke7 29.Rd7 Kf8 30.Rd8 Ke7 31.Re8 Kd6 32.Be5) 24...Nf6 (24...Qh2 25.Qh2 Bh2 26.Bf8 Nf8 27.Bc6 Ke7 28.Kh2 Kf6+-) 25.Bf6 (25.Bf6 Qh2 26.Kf1 Qf2 27.Kf2 Bg3 28.Kg3 a6 29.Rd8) 1-0. Abdullaevich (1865) - romalincoln (1720), lichess.org, 2019.

7.Be2 Bd6 8.Be5 0-0 9.0-0 a6 =.

7.Be2 0-0 8.0-0 a6 9.d4 c6 =.

7.Be2 0-0 8.0-0 Nbd7 9.d3 c5 10.bc6 Bc6 11.Nbd2 (11.d4 Re8=) 11...Rc8 12.c4 Bb8 (12...Ng4 13.cd5 Bd5 14.e4=) 13.cd5 Nd5 14.h3 (14.Nc4 Qc7=) 14...N7f6 (14...Re8 15.d4=) 15.Rc1 Qe7 16.Ne5 (16.Nc4 Rfd8=) 16...Ba8 (16...Be5 17.Be5 Qb4 18.a5=+) 17.Qb3 Rfd8 18.Ba3 Qb7 19.Nef3 Bd6 (19...e5 20.Qb2=) 20.Bd6 Rd6 21.a5 (21.Rc8 Qc8 22.Nc4 Rc6=) 21...Rdc6 22.Rc6 Qc6 23.ab6 ab6 (23...Nc3 24.Re1 Qb6 25.Qa3=+) 24.Nc4 b5 25.Nce5 Qd6 Black prepares the advance b4 (25...Qa6 26.Qb2=) 26.d4 (26.Qb5 Nc3 27.Qb2 Bf3 28.Nf3 Qc7+=) 26...b4= 27.Ra1 Nc3 28.Bd3 Bd5 29.Bc4 g6 (29...Bc4 30.Nc4 Qe7 31.Nfe5=) 30.Bd5 Nfd5 (worse 30...ed5 31.Ra7+/-) 31.Ra7 Ne2 (better 31...f6 32.Nc4 Qc6=+) 32.Kh2?? (32.Kf1 Qb8 33.Qa4+/- (worse 33.Rf7 Qb5 34.Qd3 Rc1 35.Ne1 Qd3 36.N5d3 Kf7-/+)) 32...f6-+ 33.Qd3 (better 33.Rd7 Qb8 34.Qd3 fe5 35.Qa6 ed4 36.g3-+) 33...Ndc3?? (33...Nc1 34.Qb1 fe5 35.Ne5-+) 34.g3?? (better 34.Rh7! f5 35.Ng5+-) 34...fe5-+ 35.Ne5 Qd5 0-1. Abdullaevich (1850) - James_Paul (1895), lichess.org, 2020.

7.a4 ab5 8.ab5 Ra1 9.Ba1 Bb4 10.Qb3 Be7 11.Be2 0-0 12.0-0 Nbd7 13.d4 Ne4 14.Nbd2 dc4 15.Nc4 Ndf6 (15...Qa8 16.Bb2=) 16.Nfe5 Qe8 (16...Qd5 17.f3 Nd6 18.Qc2 Nb5 19.Rb1+=) 17.Qc2 Nd6 (17...Qb5? 18.f3+-) 18.Nd6 cd6 19.Nc6 Qd7 20.Rc1 Rc8 21.Bb2 Kf8 22.d5 Nd5?? (22...ed5 23.Bd3 Combination; 22...Nd5 23.Qh7 Deflection) 23.Qh7+- Nf6 24.Qh8 Ng8 25.Bg7 (25.Bg7 Ke8 26.Qg8 Bf8 27.Qf8) 1-0. DEFFM – GuestGXHN, freechess.org, 2021.

7.a4 ab5 8.ab5 Ra1 9.Ba1 Bd6 10.Nc3 (10.cd5 Bd5 11.Nc3 c5 12.Nd5=) 10...dc4 (10...0-0 11.d4 c6 12.cd5=) 11.Bc4 0-0 12.d4 Qe7 13.0-0 c5 14.bc6 Nc6 15.Qe2 Na5 16.Ba6 Bf3 17.Qf3 Bh2? (better 17...Nb3 18.Qc6 Qa7 19.Qd6 Qa6=) 18.Kh2+– Qd6 (better 18...Nb3 19.Qe2 Na1+–) 19.Kg1 1–0. Welti,Manfred (2090) – Garat,Jacques/RuimyMichel (2190), corr Coppa Latina–6 bd09, 2003.

7.a4 ab5 8.ab5 Nbd7 9.cd5 (9.Ra8 Qa8 10.cd5 Nd5=) 9...Nd5 (9...Ra1 10.Ba1 Nd5 11.Nc3=) 10.Nc3 Nc3 11.Bc3 Nf6 12.Ra8 Qa8 (12...Ba8 13.Be2=) 13.Be2 Be7 14.0-0 0-0 15.Qa1 (15.Qc2 c5+=) 15...Qa1 (15...c5 16.bc6 Bc6 17.Qb2=) 16.Ra1 Ne4 (16...Ra8!?=) 17.Ra7+= Nc3 18.dc3 Rb8 19.Ne5 Bd6 (19...Bd5 20.c4 (20.Rc7? Bd6 21.Rd7 Be5–+) 20...Be4 21.Bf3 (worse 21.Rc7 Bd6 22.Rf7 Be5–/+) 21...Bf3 22.Nf3+–) 20.Nd7+– Rd8 21.Rb7 (21.Nb6 Bc5 22.Rb7 cb6+–) 21...Rd7+= 22.Rb8 Bf8 23.Rc8 g6 24.g3 (24.Kf1 Kg7+=) 24...Kg7 25.Kg2 (25.Bf3 Bc5+=) 25...Rd2= 26.Kf3 Bd6 ½–½. Pruvost,Alain (1620) – Daniel,A (1860), 9th Open, La Fere FRA, 2010.

7.a4 dc4 8.Bc4 Bb4 9.0-0 A) 9...0-0 10.Qe2 ab5 (10...c6 11.d3 c5 12.d4 ab5=) 11.ab5 Ra1 12.Ba1= Nbd7=; B) 9...c6 10.d4 ab5 11.ab5 Ra1 12.Ba1 0-0=.

7.a4 dc4 8.Bc4 ab5 9.ab5 Be7 (9...Ra1!? 10.Ba1 Nbd7=) 10.Ra8+= Ba8 11.0-0 0-0 12.d4 Bd5 13.Bd3 Ne4 (13...c5 14.bc6 Nc6 15.Nc3+=) 14.Ne5 (14.Nfd2 f5+–) 14...f6+= 15.Qc2 fe5 16.Be4 Be4 17.Qe4 Qd5 (better 17...Qd7!? 18.Nc3 ed4 19.ed4 Rd8+=) 18.Qd5+– (worse 18.Qe5 Qe5 19.de5 Rd8+=) 18...ed5 19.de5 Nd7 20.Rd1 Bh4? (better 20...Kf7+–) 21.f4 Nc5 (21...Ra8 22.Nc3 Nc5 23.Nd5+–) 22.g3 Be7 23.Rd5 (23.Nc3 Rc8+–) 23...g5 (23...Kf7 24.Nc3+–) 24.Kg2 gf4 (24...Kg7 25.Bd4+–) 25.ef4 Ra8 (25...Rf7 26.Nc3+–) 26.Nc3 Kf7 27.f5 Bg5 (27...h5 28.Kf3+–) 28.Kf3 Bd2 (28...Be7+–) 29.Rd2 1–0. DEFFM – elmerski, freechess.org, 2019.

7.a4 dc4 8.Bc4 c6 A) 9.0-0 A1) 9...Bd6 10.d3 0-0 (10...ab5 11.ab5 Ra1 12.Ba1 0-0=) 11.Nbd2 Nbd7 12.Qc2= Qc7=; A2) 9...Bb4 10.d3 0-0 11.Nc3 Qd6 12.Na2 cb5=; B) 9.Nc3 B1) 9...Bb4 10.0-0 0-0 11.d3 Qd6 12.Na2 cb5=; B2) 9...Bd6 10.e4 Nbd7 11.0-0 (11.bc6 Bc6 12.Qe2= 0-0=) 11...Ne5 12.ba6 Ba6=; B3) 9...Qc7 10.bc6 Nc6 11.Rc1 Bd6 12.Ne2 e5=; C) 9.d3 Bd6 10.0-0 ab5 11.ab5 Ra1 12.Ba1= 0-0=.

7.a4 dc4 8.Bc4 Bd6 A) 9.0-0 ab5 (9...0-0 10.Nc3 c5 11.d3 Ng4 12.Ne4 Be4=; 9...c6 10.d3 ab5 11.ab5 Ra1 12.Ba1= 0-0=) 10.Bb5 c6 11.Be2 0-0 12.Na3 Bc7=; B) 9.Nc3 0-0 (9...c6 10.e4 Nbd7 11.bc6 Bc6 12.Qe2 0-0=) 10.0-0 c6 11.Qe2 Qc7 12.e4= Ng4=; C) 9.d3 0-0 (9...ab5 10.ab5 Ra1 11.Ba1 0-0 12.e4 Nbd7=) 10.0-0 C1) 10...c5 11.Nc3 (11.Nbd2 ab5 12.ab5 Ra1=) 11...Ng4 (11...Bc7 12.ba6= Na6=) 12.Ne4 Be4=; C2) 10...ab5 11.ab5 Ra1 12.Ba1 c5=.

7.a4 c5 8.Be2 Bd6 9.0-0 Nbd7 10.d4 0-0 11.Nbd2 Qe7 12.Ne5 (12.cd5 ed5 13.dc5 bc5=) 12...cd4 13.ed4 Bb4 (better 13...ab5!? 14.ab5 Ra1 15.Ba1 dc4 16.Ndc4 Rc8=) 14.ba6+– Ra6 15.c5 (15.cd5 Ra7 16.de6 Qe6 17.Nd3 Bd2 18.Qd2+=) 15...Ne5? (better 15...bc5 16.Ba6 Ba6=) 16.de5+– (16.Ba6?! Ba6 17.de5 A) 17...Bf1? 18.ef6 (18.Kf1?! Nd7=; 18.Nf1?! Nd7=; worse 18.Qf1 Ng4–/+) 18...Qc5 19.fg7+– (19.Qf1?! Bd2 20.Qd3 Qb4 21.fg7 Ra8=+; 19.Kf1?! g6+–; 19.Nf1?! g6+–); B) 17...Nd7 18.cb6 Bf1 19.Kf1 Nb6=) 16...Ne4 17.Ne4 (17.Ba6?! Nd2 18.Bb7 Qb7+=) 17...de4 18.Qb3 (18.c6!? Bc8 19.Qd4+– (19.Ba6?! Ba6 20.Qd7 Qd7 21.cd7 Bf1 22.Kf1 Rd8+=)) 18...bc5 (18...Bc5 19.Ba6 Ba6 20.Rfd1+=) 19.Ba6+– Ba6 20.Rfc1 Bd3 (20...Bd2 21.Rc2 e3 22.fe3+–) 21.Ba3+– Rb8 22.Bb4 Rb4 (22...cb4 23.a5+–) 23.Qb4 (23.Qa3 h6+–) 23...cb4 24.Rc8 Qf8 25.Rf8 Kf8 26.a5 b3 27.Rb1?? (better 27.a6 b2 28.Rb1 Ba6 29.Rb2+–) 27...e3 (better 27...Bb1 28.a6 e3 29.fe3 Be4–+) 28.f3?? (better 28.Re1 ef2 29.Kf2–+) 28…Bb1 0–1. Moyano Barrero,Antoni (1820) – Boloix Pahissa,Xavier (1845), 29th Internacional Vila de Sant Boi – M, 2017.

7.a4 c6 A) 8.cd5 Nd5 9.Nc3 (9.Bc4 Bd6 10.e4 Nf4 11.0-0 0-0 12.d3= ab5=) 9...Nb4 (9...Nf6 10.Be2 Bd6 11.0-0 0-0 12.d4 Nbd7=) 10.d4 Be7 11.Bc4 Qc7 12.Qe2 cb5=; B) 8.Bd4 dc4 9.Bc4 Bd6 (9...ab5 10.ab5 Ra1 11.Ba1 Bd6 12.0-0 0-0=) 10.0-0 0-0 11.d3 c5 12.Bb2= ab5=; C) 8.Nc3 dc4 9.Bc4 Bd6 (9...Bb4 10.0-0 0-0 11.Qe2 Qd6 12.Na2 Ng4=; 9...Nbd7 10.0-0 Bd6 11.bc6 Bc6 12.d4 0-0=) 10.d3 0-0 11.0-0 Qc7 12.Qe2= Nbd7=.

7.a4 Bd6 8.cd5 A) 8...Bd5 9.Nc3 A1) 9...0-0 10.Nd5 Nd5 A11) 11.Bd3 Nb4 (11...Qd7 12.0-0= ab5=) 12.Be4 c6=; A12) 11.Bc4 c6 12.0-0 Qd7=; A2) 9...Bb7 10.d4 ab5 11.ab5 Ra1 12.Ba1 0-0=; B) 8...ed5 9.Be2 0-0 (9...c5 10.ba6 Ba6 11.Bf6 Qf6 12.Nc3 Be2=) 10.0-0 c5 11.Nc3 Re8 12.ba6 Na6=.

7.cd5 Bd5 8.Nc3 =.

7.cd5 Nd5 8.Nc3 =.

7.cd5 Nd5 8.e4 =+.

7.a3 Bc5 8.Bf6 Qf6 9.d4 Bd6 10.Nbd2 0-0 11.Be2 a6 12.a4 Nd7 13.0-0 ab5 14.cd5 Bd5 (14...ba4 15.Ne4 Qg6 16.Nd6 cd6 17.de6 fe6 18.Ra4=) 15.ab5 (better is 15.e4!? Bb7 16.e5 Ne5 17.de5 (17.Ne5?! Ra4 18.Ra4 ba4=) 17...Be5 18.Ne5 Qe5 19.Bf3+=) 15...Ra1 16.Qa1 e5 17.e4 Ra8 18.ed5? (better is 18.Qb2!? Be6 19.d5=) 18...Ra1–/+ 19.Ra1 ed4 20.Ne4 Qe7 21.Ra8 Nf8 22.Bd3 h6 23.g3 g5?? (better is 23...Bc5–+) 24.Nd4?? (better is 24.Re8 f5 25.Re7 Be7 26.Ned2+– (26.Nd4?! fe4 27.Be4 Nd7+–)) 24...Bc5?? (24...Qe5!? 25.Nc6 Qf5=) 25.Nf5 Qe5+= 26.Nh6 Kg7= 27.Ng4?? Qd5–+ 28.Rf8 Bf8 29.Bc2 Qb5 30.Ngf6 Qc4 0–1. orangutandu – judrit, internet, 2013.

7.Qb3 Qe7 8.cd5 (8.Nc3 dc4 9.Bc4 0-0=) 8...Bd5 9.Bc4 (9.Qa4 a6=) 9...Bc4 (9...Bf3 10.gf3 a6 11.a3=+) 10.Qc4 0-0 (10...a6 11.0-0=) 11.0-0 (better 11.a3 Bd6 12.e4=) 11...Ne4?? (better 11...c5=) 12.Qe4+– Nd7 13.Qg4 Rad8 (13...e5+–) 14.Qg7 1–0. GuestZTQF – stuabc, freechess.org, 2018.

7.Be2 0-0 8.0-0 dc4 9.Bc4 c6 10.a4 cb5 11.ab5 Nbd7 (11...a5 12.d3=) 12.d4 Re8 13.Nc3 (better is 13.Nbd2+=) 13...e5? (better is 13...Bf3 14.gf3 Nd5+=) 14.Ne5 (14.Ng5!? Re7 15.Nf7 Qc7 16.Ne5 Kh8+–) 14...Ne5+/– 15.de5 Qd1 16.Nd1 (16.Rfd1 Rec8+–) 16...Nd7 (16...Ne4 17.Ra4 Ba5 18.f3+/–) 17.Bd4 Ne5 18.Bb3 Bc5 (18...Nd3 19.f3=) 19.h3 (19.Nc3 Kf8+=) 19...Bd4 20.ed4 Ng6 21.Ne3 Nf4 22.d5 (better is 22.Bc4+/–) 22...Re3? (better is 22...a5 23.ba6 Ba6+=) 23.fe3+– Bd5 24.Bd5 Nd5 25.e4 (better is 25.Rfd1 Nc3 26.Ra7+–) 25...Nc3+/– 26.e5 Nb5 27.e6?? (better is 27.Rad1+=) 27...fe6–/+ 28.Rae1 Nd4 (28...Nc7 29.Rf4 a5 30.Rc4–+) 29.Rd1? (29.Re4 e5=+) 29...Nf5 (better is 29...e5!?–+) 30.Rfe1 Kf7 31.Rd7 Kf6 32.Rf1 (32.g4 Nh4 33.Rf1 Ke5 34.Rg7 Ng6=) 32...Kg6 (better is 32...e5–/+) 33.g4= Nh4 (33...Nh6=) 34.Rff7 (34.Re7 Kg5 35.Re6 Rd8 36.Re5 Kg6+–) 34...Rg8?? (better is 34...a5=+) 35.Ra7+/– h6 (35...h5 36.Kf2+/–) 36.Rfe7 (36.Kf2 Kh7+–) 36...e5 (better is 36...Kf6+=) 37.Re5?? (37.Kf2 Kf6+–) 37...Kh7 (better is 37...Nf3!? 38.Kf2 Ne5 39.Rb7 Rf8 40.Ke3 Nc4 41.Kd4 Rf4 42.Kd5–+) 38.Ra6?? (better is 38.Re6+–) 38...Nf3–+ 39.Kf2 Ne5 40.Rb6 Nd3 41.Kg3 Nc5 42.h4 Ne4 43.Kf3 Nf6 44.g5 hg5 45.hg5 Nd5 46.g6 (46.Rd6 Rf8 47.Kg4 Ne7–+) 46...Kh8 (better is 46...Kh6!? 47.Re6–+) 47.Rb5 Nf6 48.Rb1 Rc8 49.Rh1 Kg8 50.Kf4 (50.Ra1 Nd7–+) 50...Rc4 51.Ke5 Rc5 52.Ke6 Rc6 (53.Kf5 Nd5–+) 0–1. stoker – dit3, Live Game Caissa's Web, 2004.

7.Be2 Nbd7 8.0-0 0-0 9.a3 Bd6 10.d4 dc4 11.Bc4 Ne4 (11...a6 12.Nc3=) 12.Nbd2 (12.Bd3 Nef6=) 12...Ndf6 (12...Nd2 13.Nd2 a6 14.ba6 Ba6 15.Ba6 Ra6 16.Nc4=) 13.Ne4 Ne4 14.Bd3 h6 15.Be4 (15.Qc2 Ng5 16.Nd2 Nh3 17.Kh1–/+) 15...Be4= 16.Nd2 (16.Qe2!?=) 16...Bd3–/+ 17.Re1 Bb5 18.Ne4 (better is 18.e4!?–/+) 18...Bh2!–+ 19.Kh2 Qh4 20.Kg1 Qe4 21.Rc1 Rac8 ½–½. Hal1958 – Schnitzly, playchess.de, 2004.

8.d4 Ba5 9.Bd3 dc4 (9...a6 10.0-0 dc4 11.Bc4 ab5 12.Bb5 Bc6 13.Bd3 Na6 14.a3 Bc3 15.Bc3=; 9...c6 10.0-0 dc4 11.Bc4 cb5 12.Bb5 a6 13.Bd3 Nc6 14.Rc1 Nb4 15.Be2=; 9...Re8 10.c5 c6 11.0-0 bc5 12.dc5 e5 13.Be2 Nbd7 14.Na4 Qc7 15.Rb1+=; 9...Ne4 10.Qc2 Nc3 11.Bc3 Bc3 12.Qc3 dc4 13.Qc4 a6 14.Qc2 Kh8 15.Be4=) 10.Bc4 Nd5 11.Qc2 a6 12.ba6 Na6 13.a3 Qf6 14.Nd2 Nc3 15.Bc3 +=.

8.d4 a6 9.Qb3 c5 (9...Qe7 10.a3 Ba5 11.a4 Ne4 12.Rc1 Rd8 13.Qc2 Qf6 14.Ne5 ab5 15.ab5+=; 9...Qd6 10.a3 Ba5 11.a4 Rc8 12.Ba3 Qd8 13.Rc1 dc4 14.Bc4 Bf3 15.gf3+=; 9...Ba5 10.Rc1 dc4 11.Bc4 ab5 12.Bb5 Ne4 13.0-0 Bc3 14.Bc3 Bd5 15.Bc4+=; 9...Bd6 10.Rc1 ab5 11.Nb5 Be7 12.Nc3 Nbd7 13.cd5 Nd5 14.Bc4 Nc3 15.Qc3+=) 10.bc6 Nc6 11.Ba3 Ba3 12.Qa3 dc4 13.Bc4 b5 14.Bd3 b4 15.Qb3 +=.

8.d4 dc4 9.Bc4 Nd5 (9...a6 10.0-0 ab5 11.Bb5 Qd6 12.Ne5 c6 13.Be2 Ba6 14.Nc4 Bc4 15.Bc4=; 9...Ne4 10.Qb3 Bc3 11.Bc3 a6 12.a4 Nc3 13.Qc3 Bf3 14.gf3 Qf6 15.ba6=; 9...c6 10.0-0 a6 11.bc6 Nc6 12.Rc1 Rc8 13.Bd3 Be7 14.a3 b5 15.Qe2=; 9...Bd5 10.Qb3 Bc3 11.Qc3 a6 12.a4 ab5 13.ab5 Ra1 14.Ba1 Ne4 15.Qc2=) 10.Qb3 a6 11.a4 Qf6 12.Bd5 Bc3 13.Qc3 Bd5 14.Ne5 Qg5 15.Qc7 +=.

8.d4 c5 9.a3 cd4 (9...Ba5 10.dc5 bc5 11.cd5 Nd5 12.Qd2 a6 13.ba6 Na6 14.Bd3 Qf6 15.Rc1+=; 9...Bc3 10.Bc3 Ne4 11.Qc2 Nc3 12.Qc3 cd4 13.Qd4 dc4 14.Qd8 Rd8 15.Bc4=; 9...dc4 10.ab4 cb4 11.Na2 c3 12.Bc1 a5 13.ba6 Na6 14.Bd3 Nc7 15.Qc2+=) 10.ab4 dc3 11.Bc3 Nbd7 12.Rc1 Rc8 13.Qd4 dc4 14.Bc4 Bf3 15.gf3 +=.

8.d4 Ne4 9.Rc1 a6 (9...Qe7 10.cd5 Bd5 11.Bd3 a6 12.ba6 Na6 13.Be4 Be4 14.0-0 Bc3 15.Bc3+=; 9...Ba5 10.cd5 Bd5 11.Bd3 a6 12.Qc2 f5 13.a4 c5 14.Be4 Be4 15.Qe2+=; 9...Qd6 10.Nd2 Nd2 11.c5 bc5 12.dc5 Qc5 13.Qd2 Qe7 14.Bd3 e5 15.a3–/+; 9...dc4 10.Bc4 a6 11.ba6 Ba6 12.Qb3 Bc4 13.Qc4 Bc3 14.Bc3 b5 15.Qb3=) 10.Bd3 (10.Qb3!? Qd6 11.ba6 (11.Ne5 ab5 12.cb5 c5 13.bc6 Nc6 14.Nd3 Bc3 15.Bc3+=) 11...Ba6 12.Bd3+= (12.a3 Ba5 13.a4 Qb4 14.Qb4 Bb4 15.cd5–/+) 12...Nc6 13.cd5 Na5 14.Qc2 Bd3 15.Qd3+=) 10...dc4 (10...ab5 11.cd5 Ra2 12.Be4 Rb2 13.0-0 ed5 14.Bd3 c6 15.Rc2–/+) 11.Bc4 (11.ba6!? Bd5 12.Be4 Be4 13.a3 (13.0-0 Bd3 14.Re1 Bd6 15.Ne5–/+) 13...Bc3 14.Rc3–/+ Qd5 15.Ne5–/+) 11...ab5–+ 12.Bb3 (12.Bd3 Ra2 13.0-0 Bc3 14.Bc3 c5 15.Bb5–+) 12...Nc6 (12...c5 13.0-0 c4 14.Ne4 Be4–+ (worse is 14...cb3 15.Qb3 Be4 16.Qb4–/+) 15.Bc2–+) 13.0-0–/+ (13.Qe2 Na5 14.Kd1 Nb3 15.ab3–+) 13...Ba6?? (better is 13...Nc3 14.Bc3 Bc3 15.Rc3 Nb4–/+) 14.Ne4+– Be7 (14...Na5+–) 15.Rc6 Bb7 16.Rc1 (better is 16.Ne5+–) 16...Be4 17.Ne5 Kh8 (17...c5 18.f3 Bb7 19.Bc2+–) 18.Nc6 Bc6 19.Rc6 h6 (19...Bd6 20.Qh5+–) 20.Qf3 (20.d5 Bd6+–) 20...b4 (20...Bd6 21.Qh5+–) 21.Rfc1 Ra7 (21...Bd6 22.e4 Ra7 23.e5+–) 22.d5 Bd6 23.de6 fe6 24.Qg4 (24.Qh5 Kh7+–) 24...Qg5 (24...e5 25.f4 Qe7 26.fe5+–) 25.Qg5 hg5 26.Be6 Bc5 (26...Re8 27.Bd5+–) 27.Bb3 Kh7 (27...Bd6 28.Bd4 Rd8 29.Rd1+–) 28.Bc2 Kg8 29.Bg6 (better is 29.Rg6 Rf7 30.Bb3+–) 29...Ra2 30.Rb1 Rd8 (30...Bd6 31.Bd3 Ra5 32.Bc4 Kh7 33.Bd4+–) 31.Bd4 (31.Bc2 Ra7+–) 31...Rd7 (31...Rd6 32.Rd6 Bd6 33.Bd3+–) 32.Bc5 Rb2 (32...bc5 33.Bf5 Rb2+–) 33.Bd4 (33.Bb4?? Rb1 34.Bb1 Rd1 35.Be1 Re1) 33...Ra2 (33...Rb1 34.Bb1 Kf8 35.Bf5+–) 34.h3 1–0. TomJobe – Mango Mick, ChessWorld.net, 2014.

8.d4 Ne4 9.Qc2 dc4 (9...a6 10.a3 Bc3 11.Bc3 Nc3 12.Qc3 dc4 13.Bc4 Bf3 14.gf3 ab5 15.Bb5=; 9...c5 10.dc5 bc5 11.a3 Bc3 12.Bc3 a6 13.cd5 ed5 14.Be2 ab5 15.Bb5=; 9...c6 10.Bd3 Nc3 11.Bc3 Bc3 12.Qc3 dc4 13.Qc4 cb5 14.Qb5 Bf3 15.gf3=; 9...Bc3 10.Bc3 Nc3 11.Qc3 dc4 12.Bc4 a6 13.Qc2 Bf3 14.gf3 ab5 15.Bb5=) 10.Bc4 a6 11.Bd3 Nc3 12.Bc3 Bc3 13.Qc3 ab5 14.Qc2 Kh8 15.Bb5 =.

8.Be2 c6 9.0-0 cb5 10.cb5 Nbd7 11.Nd4 Ne5 12.Qb3 Qd6 13.Nc2 Nfg4?? (better is 13...Bc3 14.Bc3 Rfc8=) 14.Qb4?? (14.f4 Nc4 15.Bg4+– (15.Bc4?! dc4 16.Qc4 Qd2+=)) 14...Nf3!! (14...Nf3 15.Bf3 Qh2) 0–1. Mallmann,Bernd (1970) – Liesenfeld,Holger (1860), SVR–ch MAT, 2008.

7.Bc4 a6 8.0-0 ab5 9.Bb5 c6 10.Be2 Be7 11.d4 0-0 12.Nbd2 Nbd7 13.Qc2 Qc7 14.Rfc1 Rfc8 15.Nf1 Qd8 16.a4 c5 17.dc5 Nc5 18.Qd1 Qf8 19.Bd4 Nfd7 20.Bb5 Bd5 21.N1d2 Bd6 22.Qe2 Qe7 23.h3 e5 24.Bc5 Bc5 25.Nc4 f6 26.Qd3 Be6 27.Rd1 Rd8 28.Qc2 Rac8 29.Nfd2 g6 30.a5 ba5 31.Ra5 Bb4 32.Ra7 Qc5 33.Bd7 Bd7 34.Qa2 Be6 35.Qa6 Bc4 36.Qb7 Rc7 37.Qc7 Qc7 38.Rc7 Be2 39.Rb1 Bd2 40.Rbb7 Bd3 41.Rg7 Kf8 42.Rbf7 Ke8 43.Rf6 g5 44.Re6 Kf8 45.Rc7 Bg6 46.Re5 1-0. zembelek (1975) - bob59 (1920), Rated Blitz game, lichess.org, 2014.

7.Bc4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Be7 11.d4 0-0 12.Nbd2 c6. zack1984 (2045) – borisd (1795), gameknot.com, 2016.

7.Bc4 Bb4 8.0-0 0-0 9.a3 Be7 10.d4 c6 11.Nbd2 h6 (11...cb5 12.Bb5 Qd6 13.Rc1=) 12.Rc1 cb5 (12...a6 13.bc6 Nc6 14.Bd3=) 13.Bb5+= a6 14.Bd3 b5 15.Qc2 (15.Qe2 Bd6=) 15...Nc6 (15...Nbd7 16.Qc7 Qb8 17.Qa5=) 16.Qb1 (16.Nb3 Rc8 17.Qe2 Nd7=) 16...Na7 (16...b4 17.Qa1=) 17.Rc2 (17.e4 Rc8=) 17...Rc8= 18.Rfc1 Rc2 (18...Qd6 19.e4 Rc2 20.Rc2=) 19.Rc2 (19.Qc2 Qd6=) 19...Qd7 20.Ne5 Qd6 21.Qc1 Rc8 22.Rc8 Nc8 23.Be2 Nb6 24.Bf3 Bf3 25.Ndf3 g6 26.Nd3 Nc4 27.Nc5 Qc6=+ 28.Nd3 Qd6 29.Nc5 ½–½. Van Esbroeck,Dirk – Benali,S, Melsele, 1996.

7.Bc4 Bb4 8.0-0 0-0 9.a4 Nbd7 10.Ba3 Ba3 11.Ra3 Nc5 12.d4 Nce4 13.Be2 Nd5 14.Nfd2 Nd2 15.Nd2 Rc8 16.Bf3 Ba8 17.Nc4 c5 18.bc6 Bc6 19.Ne5 Qd6 20.Ra1 Ne7 21.Nc6 Nc6 22.d5 ed5 23.Qd5 Qd5 ½–½. hal1958 – schnitzly, HCL–A1663 playchess.de, 2004.

7.Bc4 Bc5 8.0-0 Qe7 9.d4 Bd6 10.Nc3 Nbd7 11.d5 ed5 (11...a6 12.de6 fe6 13.Nd4+=) 12.Nd5+= 0-0-0?? (better 12...Bd5 13.Bd5 Nd5 14.Qd5 0-0+=) 13.Ne7+– (13.Ne7 Be7 14.Qe2+–) 1–0. DEFFM – GuestGCNW, freechess.org, 2018.

7.Bc4 c6 8.a4 cb5 9.ab5 Nbd7 (9...Bd6 10.Qe2=) 10.d4 Nd5 (10...Bb4 11.Bc3 Qc7 12.Qb3 Bc3 13.Nc3 Bf3 14.gf3=) 11.0-0+= Be7 12.Ne5 Qc7 13.Nd2 Ne5 14.de5 0-0 15.Qe2 h6 16.Rfc1 Qd8 17.Nf3 Bc5 18.Nd4 Qg5 19.Nf3 Qg6 (19...Qd8 20.Ra4+=) 20.Bd3+= Qh5 21.Qc2 (better 21.Ba3 Nb4 22.Bb4 Bb4 23.h3=) 21...Nb4–/+ 22.Qb3 Nd3 23.Qd3 Bf3 24.gf3 Qf3 25.Rc4 Rfd8 26.Qf1 Rd2 27.Rf4 Qd5 28.Bc3 Rc2 (28...Rd3 29.Rc1–+) 29.Bd4 (29.Rd1 Qb3 (29...Rc3 30.Rd5 ed5 31.Qd1+–) 30.Ba1 a5–/+) 29…Bd4–+ (29...Bd4 30.ed4 Rac8–+) 0–1. GuestMYBX – GuestVMVM, freechess.org, 2017.

7.Bc4 Bd6 8.0-0 0-0 9.a4 a6 10.d3 (10.Nc3 Nbd7=) 10...Nbd7 11.e4 e5 12.Nbd2 Re8 (12...ab5 13.ab5 Ra1 14.Ba1=) 13.Qc2 Nf8? (13...h6 14.Nh4+=) 14.ba6 (better is 14.a5!?+–) 14...Ba6+= 15.Bb5 Bb5 16.ab5 Ra1 17.Ra1 Qd7 18.Qb3 Ng6 19.Nc4 e5 seems the pivot of the position 19...Qg4 (19...Nh5!?+=) 20.h3+/– (worse is 20.Nd6 cd6 21.Ra7 Re7+/–) 20...Qe6 (20...Qd7 21.Ra7 (worse is 21.Nd6 cd6 22.Ra6 d5+=) 21...Qe7 22.Qc2+/–) 21.Bc1 (better is 21.Ng5!? Qe7 22.Ra7+/– (22.Nd6?! cd6 23.Ra6 h6+=)) 21...h6 22.Qc2 (22.Ra7 Nh5+/–) 22...Bc5 (22...Qd7 23.Be3+=) 23.Be3 (23.Ra7 Rc8+/–) 23...Be3 24.Ne3 (24.fe3 c6 25.Ra6 Nd7 26.bc6 Qc6+=) 24...Qd7+= 25.Qb3 Nf4 Exerts pressure on the backward pawn 26.Ra3 N6h5 (26...Qe7 27.Ra7 Qc5 28.Kh2=) 27.Kf1 (27.Nc4 Ng6 28.Ra7 Re6+/–) 27...Ng6 (27...Kh7!?=) 28.Qd5+/– Qe7 29.Ra8 (29.Ra7!? Nhf4 30.Qc4+=) 29...Nhf4= 30.Nf5 Qf8 31.Re8 Qe8 32.Qc4 Qd7 33.Ne1 (33.d4 ed4 34.N3d4 Kh7=) 33...Nf8 34.Qc6 Qd8 35.Qc4 N8e6 36.g3 Nh3 37.Nf3 Qf6 38.Kg2 (38.Qd5!?=) 38...Nhg5–/+ 39.Ng5 Qg5 (39...Ng5?! 40.Qc7 Ne6 41.Qc8 (41.Qb6?? Nf4 42.gf4 Qb6–+) 41...Kh7 42.Qe8=; 39...hg5?! 40.Ne3 Qd8 41.Nd5–/+) 40.Kf1 (40.d4 ed4 41.Nd4 Qc5 42.Qc5 Nc5–/+) 40...Qd8 41.Qc3 Qf6 42.Ne3 Nd4 43.f4 Nb5 (43...ef4?! 44.Nd5 Qe6 45.Qd4 Qh3 46.Ke2 fg3 47.Ne7 (47.Nc7?? Qh2 48.Kf3 g2–+) 47...Kh7 48.Qd8 Qg2 49.Ke1 Qf2 50.Kd1 Qg1 51.Ke2 Qf2 52.Kd1 Qg1 53.Ke2 Qf2 54.Kd1=) 44.Qe5 Qe5 45.fe5 Nd4 46.Nd5 Ne6 47.Kf2 b5 48.Ke3? (better is 48.Ne7!? Kf8 49.Nc6–/+) 48...c5–+ 49.Kd2 h5 50.Kc3 (50.Ne7 Kf8 51.Nf5 b4–+) 50...Kh7 51.Kd2 (51.Ne7 Nd4 52.Kd2 g5–+) 51...g5 52.Ne7 (52.Ke3–+) 52...h4 53.Ke2 (53.gh4 gh4 54.Ke3–+) 53...h3 54.Kf2 b4 55.Nd5 b3 56.Nc3 b2 57.Nb1 g4 58.Nc3 Nd4 59.Nb1 Kg8 60.Kg1 Kf8 61.Kh1 (61.e6 Nf3 62.Kf1 fe6–+) 61...Ke7 62.Kg1 Ke6 63.Na3 Nb5!! 64.Nb1 (64.Nb5 b1Q Double attack (64...b1Q Decoy)) 64...Ke5 65.Nd2 Kd4 66.e5 Kd3 67.Nb1 Kc2 0–1. Bulcourf,Carlos (2015) – Villalba,Marcelo (2185), Villa Martelli ARG, 2014.

7.Bc4 Bd6 8.0-0 Nbd7 9.a4 0-0 10.d4 a6 11.Nc3 a5 12.Re1 Rc8 (12...Bb4 13.Bd3+=) 13.d5 (13.e4 e5+=) 13...ed5 14.Nd5 Nd5 15.Bd5 Bd5 16.Qd5 Nf6 17.Qb3 Ne4 18.Red1 Qe7 19.Nd4 Nc5 (better 19...Bh2!? 20.Kh2 Qh4 21.Kg1 Qf2 22.Kh2 Qh4 23.Kg1 Qf2 24.Kh2 Qh4 25.Kg1 Qf2=) 20.Qc2+= Qh4 21.Nf3 (21.h3 Qf6+/-) 21...Qh6 22.g3 Qe6 (22...Qg6 23.Qe2=) 23.Kg2 h6 (23...Rfe8 24.Nd4 Qd5 25.Kg1+=) 24.Nd4+/- Qd5 25.Kg1 Qh5 (25...g6+=) 26.Ne2 (better 26.Nf5!? f6 27.Nd6 cd6 28.Rd6+/-) 26...Nd7 (26...Rfe8 27.Rd4=) 27.Nf4 Qg4 (27...Bf4 28.ef4 (worse 28.gf4 Nc5=+) 28...Nc5 29.Qc3+=) 28.Qe2 (28.Kg2 Ne5+/-) 28...Qe2+= 29.Ne2 Nc5 30.Nd4 Be5 31.Rd2 Bd4 32.Rd4 (32.Bd4? Nb3 33.Rc2 Na1 34.Ba1 Rfe8-+) 32...Ne6 33.Rd7 Rfd8 34.Rad1 Rd7 35.Rd7 Nc5 36.Rd4 Ne6 37.Rd1 Nc5 38.Rd4 ½-½. Darkseid (1830) - sandtheory (1795), ChessWorld.net, 2006. (=1.Nf3 b6 2.b4 Bb7 3.e3 e6 4.Bb2 Nf6 5.b5 d5 6.c4 dc4)

7.Bc4 Bd6 8.0-0 Qe7 9.d3 Nbd7 10.d4 0-0-0 (10...c6!?=) 11.Nbd2 Nd5 12.a3 Kb8? (12...f5 13.Qc2+–) 13.Qc2 (better 13.e4+–) 13...f5+– 14.e4 fe4 15.Ne4 N7f6 16.Nd6 Qd6 (16...cd6 17.a4+–) 17.Ne5 Rhf8 18.Rfe1 Ka8 19.Nc6?? (19.a4 Nb4 20.Qb1 c6+–) 19...Rc8?? (19...Ng4 20.Ne5 (20.Nd8?? Qh2 21.Kf1 Nf4 22.Nb7 Qg2) 20...Rf2 21.Qf2 Nf2 22.Kf2 Rf8 23.Kg1–+) 20.Qa4?? (20.Bd5 ed5 21.Bc3 Qf4+–) 20...a5?? (better 20...Bc6 21.bc6 Ng4–/+) 21.h3 h5 22.Re5 g6 23.Rae1 Rce8 24.Na5 (better 24.Bc1!?+–) 24...ba5+= 25.Qa5 (25.Bc3 Kb8 26.Ba5 Kc8=) 25...Kb8= 26.Bd3 (26.Bc1 Nb6 27.Be6 Qd4=) 26...Rg8 (26...Nd7 27.Bg6 Re7 28.Rg5–/+) 27.f3 (27.Bc1 Nb6=) 27...Nf4 28.Bc4 1–0. GuestDLCM – GuestJBHL, freechess.org, 2017.

7.Bc4 Bd6 8.a4 0-0 9.0-0 h6 10.d4 a6 (10...c5 11.dc5 Bc5 12.Nbd2=) 11.Nbd2 ab5 12.ab5 Ra1 13.Qa1 Nbd7 14.Be2 (14.Qa7 Qa8 15.Ra1 Bd5+=) 14...c5 (14...Qe7!?=) 15.bc6+= Bc6 16.Rc1 Bb7 (16...Bd5 17.Bb5+–) 17.Nc4 Be7 18.Nce5 Ne5 19.Ne5 Qd5 (19...Qd6 20.Qa7 Bd5 21.Ra1+–) 20.Bf3 Ne4 21.Rc7 Bd6 22.Rd7 Ba8? (22...Ra8 23.Qc1 f6 24.Be4 Qe4+–) 23.Qa7?? (23.Ba3 Qa5 24.Nc4+– (24.Rd6? Nd6 25.Be2 Bb7–+)) 23...Qb3?? (better 23...Bb8 24.Rd5 Ba7+=) 24.Rf7+– Rf7 (24...Be5 25.Rf8 Kf8 26.Qa8 Ke7+–) 25.Qf7 (25.Nf7?? Qb2 26.Qa8 Kf7 27.Bh5 Kf6 28.Qd8 Be7 29.Qe7 Ke7–+; 25.Qa8 Rf8 26.Qe4 Qb2–/+) 25...Kh8 (25...Kh7 26.Nd7 Qb4 (26...Qb2?? 27.Be4 Be4 28.Nf6 Kh8 29.Qg8) 27.Be4 Kh8 28.Qe8 Bf8+–) 26.Qe8 Kh7 27.Bh5 g6 28.Qg6 (28.Qg6 Kh8 29.Nf7) 1–0. GuestNKRJ – gastori, freechess.org, 2020.

7.Bc4 g6 8.a4 Bg7 9.Nc3 0-0 10.0-0 c6 11.Re1 Nd5 12.Rb1 (12.d4 a6+=) 12...Qe7 (12...Nc3 13.Bc3 Bc3 14.dc3 cb5 15.ab5=) 13.Nd5+= cd5 14.Bg7 Kg7 15.Bb3 Nd7 16.d4 a6 17.Qd3 ab5 18.ab5 (18.Qb5? Ba6 19.Qc6 Rac8 20.Bd5 Rc6 (20...ed5?! 21.Qd5 Bd3 22.Ra1-/+) 21.Bc6 Rc8-+) 18...Ra3 19.Qc2 (19.Ra1 Rfa8 20.Ra3 Ra3+=) 19...Rfa8 20.Qb2 (20.Rec1 Nf6=) 20...Nf6 21.Ne5 Ne4 22.Rec1 Qf6? (22...f6 23.Nc6 Qd7 24.h3=) 23.f3 (better 23.Rc7!? Nd6 24.Rd7+-) 23...Nd6+= 24.Nd7 (24.Rc7!? Qd8 25.Rbc1+=) 24...Qg5=+ 25.f4 (25.Nb6 Qe3 26.Qf2 Qf2 27.Kf2-/+) 25...Qh5?? (25...Qd8 26.Nc5 Bc8-/+ (worse 26...bc5 27.dc5 Kg8 28.cd6+=)) 26.Nb6+/- Ne4?? (better 26...R8a7+/-) 27.Rc7 R8a7 28.Nd7 R3a5 (28...Qh4 29.Nc5 Nc5 30.dc5 Qf6 31.Qf6 Kf6+-) 29.b6 Ra8 30.Rb7 Qh4 (30...Nd6 31.Rc7 Rb5 32.Rc5+-) 31.Ne5 (better 31.Rc7 Rb5 32.b7 Rd8+-) 31...Rc8 (31...Rf8 32.Rc7+-) 32.Rf7 Kh6 (32...Kg8+-) 33.g3 Qg4 34.b7 (34.Ng4 Kh5 35.Rh7 Kg4 36.Qe2 Kf5 37.Rf7 Nf6 38.Qd3 Kg4 39.Bd1 Kh3 40.Qf1) 34...Rb8 35.Nc6 (35.Ng4 Kh5 36.Rh7 Kg4 37.Qe2 Kf5 38.Rf7 Nf6 39.Bc2) 35...Nc3 (35...Qf3 36.Na5 Qe3 37.Kg2 Nd2+-) 36.Nb8 Ra2 37.Qc3 Qe2 38.Ba2 (38.Ba2 Qf3 39.Nd7 Qe2 40.b8Q Qf1 41.Rf1 g5 42.Qg8 gf4 43.Rh7) 1-0. AleksandrNekhoroshik (1685) - GAME_FAN (1665), lichess.org, 2021.

8.0-0 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Qa8 12.Nc3 Bf3 (12...Bd6 13.Qe2=) 13.gf3 Ne5 (13...Bd6 14.Be2+=) 14.Be2 h6 (14...h5!?+=) 15.f4+– Ned7 16.Bf3 Qa3 17.Qc2 Be7 (17...Qc5!?+–) 18.Bb2+– Qc5 19.Ra1 0-0? (19...Bd8 20.d4 Qf5 21.Qf5 ef5 22.Bc6+–) 20.Ba3 Qf5?? (20...Qa3 21.Ra3 Ba3+–) 21.Qf5 ef5 22.Be7 Re8 23.Bb4 Nh7 (23...g5 24.fg5 Ne5 25.gf6 Nf3 26.Kg2 Nd2 27.Nd5+–) 24.Bc6 Nhf6 25.Ra7 Rc8 26.Bd7 Nd7 27.Nd5 (27.Nd5 Kh7 28.Ne7+–) 1–0. DEFFM – ShereKhan, freechess.org, 2019.

8.0-0 Be7 9.a4 0-0 10.Be2 Nc5 11.Bf6 Bf6 12.d4 Ne4 13.Nfd2 Qd6 (13...Nd2!? 14.Nd2 c5 15.bc6 Bc6=) 14.Bf3+= Nd2 15.Nd2 (< 15.Qd2 Bf3 16.gf3 c5 17.bc6 Qc6–/+) 15...Bf3 16.Qf3 (< 16.gf3 c5 17.bc6 Qc6=+) 16...Qd5 17.Qd5 ed5 18.Rac1 Rac8 19.Rc6 Rfe8 20.Rfc1 Re7 21.Rd6! Rce8 (21...cd6 22.Rc8) 22.Rd5 h6 23.g3 g5 24.Rc6 Bg7 25.Nf3 Kf8 26.Ne5 (better is 26.h4!? f6+–) 26...Be5 27.de5 Kg7 28.f4 g4 29.Kg2 h5 30.Kf2 Rh8 31.f5 f6 (31...Ree8 32.e4 h4+–) 32.ef6 1–0. hal1958 – schnitzly, HCL–A1530 playchess.de, 2003.

8.0-0 Be7 9.a4 h6 10.d4 0-0 11.Nbd2 c5 12.Rc1 Rc8 13.Be2 cd4 14.Nd4 Nc5 15.Bf3 Nd5 16.Ba3 Bd6 17.Bc5 Bc5 18.N2b3 Bd6 19.Rc8 Qc8 20.Qc1 Qd7 21.Qb1 Nc3 22.Qa1 Bf3 23.Nf3 Rc8 24.Nbd4 Rc4 25.Nd2 Rc8 26.Nc6 Rc6 27.bc6 Qc6 28.Kh1 Na4 29.Rc1 Bc5 30.Nb3 Qb5 (30...a5 31.Kg1=) 31.Nc5+= bc5 32.Rb1 Qc6 33.Rb8 Kh7 34.Qb1 1–0. Hal1958 – Impi, playchess.de, 2002.

8.0-0 Be7 9.d4 0-0 10.Qb3 Bd5 (10...a6!?=) 11.Nbd2 (11.Nc3+–) 11...Ne4 (better 11...a6!? 12.a4 Qc8+=) 12.Bd5+– Nd2 13.Nd2 ed5 14.Qd5 Nf6 (14...a6 15.a4+–) 15.Qb3 (15.Qc4 Qd6+–) 15...Re8 (15...a6 16.a4+–) 16.e4+– Nd7 (16...a5 17.f3+–) 17.a4 (17.Nc4 a6+–) 17...a5 (17...Nc5 18.Qc3 (worse 18.dc5 Qd2 19.Rad1 Qf4+–) 18...Ne6 19.g3+–) 18.Rac1 (18.Nc4 Bb4 19.e5 Rc8+–) 18...Rc8 (18...Bb4 19.Bc3+–) 19.Bc3 (19.Nc4 Bb4 20.e5 h5+–) 19...Bg5 (19...Nf8 20.f4+–) 20.f4 White prepares the advance e5 20...Bh6 21.e5 Kh8 (21...Nf8 22.g3+–) 22.Qf7 (better 22.Rf2+–) 22...Re7 (22...Rf8 23.Qe6 Rf4+–) 23.Qc4 Ne5 (23...Qf8+–) 24.de5 Bf4 (24...Qg8+–) 25.Rf4 Qd2 (25...Qg8+–) 26.Bd2 Rf8 27.Rf8 1–0. DEFFM – GuestMRWD, freechess.org, 2019.

8.d4 Bb4 9.Nc3 Ne4 10.Rc1 (10.Qb3 Ba5=) 10...Nc3 (10...a6 11.Qb3 ab5 12.Bb5 Nc3 13.Bc3=) 11.Bc3+= Bc3 (11...Ba3 12.Rc2=) 12.Rc3 0-0 (12...a6 13.ba6 Ba6 14.Ba6 Ra6 15.Qe2+=) 13.0-0 (13.Qe2 Nb8+=) 13...Nf6 (13...a6 14.ba6 Ba6 15.Ba6 Ra6 16.Qe2=) 14.Qe2 Ne4 (14...Qd6 15.Ne5+=) 15.Rc2+– c5 (15...Qd6 16.Rfc1+–) 16.bc6! Bc6 17.Be6! fe6 (17...Ba4 18.Bb3 Bb3 19.ab3+–) 18.Rc6+– Qd5 19.Ne5 (19.Rfc1 b5+–) 19...Rac8+– 20.Qc2 Nc5? (better 20...Rc6 21.Nc6 Rf7+–) 21.Rc8+– (21.dc5?! Rc6 22.Nc6 Qc6=) 21...Rc8 22.f4 (22.dc5?! Qe5 23.Qa4 bc5 24.Qa7 Qd5+=) 22...Rc7 (22...Qe4 23.Qc3+–) 23.dc5 Rc5 (23...Qc5 24.Qb3 Qe7 25.Rd1+–) 24.Qa4 Rc8 (24...h6 25.Rd1 Qa8 26.Qd7+–) 25.Qa7 Qe4 (25...b5+–) 26.Qf7 Kh8 27.Qe6 Qe3 28.Kh1 (28.Kh1 Qg1 29.Kg1 h6 30.Qc8 Kh7 31.Qf5 Kh8 32.Rd1 g5 33.Rd8 Kg7 34.Qf7) 1–0. GuestQGJR – GuestVLLG, freechess.org, 2018.

8.0-0 Nbd7 9.a4 0-0 10.h3 Nc5 11.Nc3 Nd3 12.Bd3 Qd3 13.Ne5 Qd6 (13...Qf5 14.f4 Nd5 15.Rc1=) 14.d4 Nd5 15.Ba3 Qd8 16.Be7 Qe7 17.Nd5 Bd5 18.Qe2 f6 19.Nd3 c5 20.dc5 bc5 21.Qc2 (21.Rfc1 Rac8+=) 21...c4 22.Nf4 g5 (22...Rac8 23.Nd5 ed5 24.Rad1=) 23.Nd5+= ed5 24.Rfd1 Rfd8 25.Rd4 Qc5 26.h4 h6?? (better 26...Rd6+=) 27.Qg6+– Kh8 (27...Kf8 28.Qf6 Ke8 29.Qh6 Qf8 30.Qc6 Ke7+–) 28.Qh6 Kg8 29.Qg6 Kh8 (29...Kf8 30.hg5 fg5 31.Qg5 Qc7 32.Rf4 Qf4 33.Qf4 Ke7 34.Qe5 Kf8+–) 30.Qf6 Kg8 (30...Kh7 31.Qf7 Kh8 32.Qh5 Kg7 33.Qg5 Kf7 34.Rf4 Ke6 35.Qg6 Kd7 36.Rf7 Kc8 37.Qa6 Kb8 38.Qb7) 31.Qg5 Kh7 (31...Kf7 32.Rf4 Ke6 33.Qg6 Kd7 34.Rf7 Kc8 35.Qa6 Kb8 36.Qb7) 32.Rg4 Rg8 (32...Qf8 33.Qg6 Kh8 34.Qh5 Qh6 35.Qh6) 33.Qh5 1–0. Pierre – Tybling, internet, 2019.

9.a4 c6 10.d3 Nd5 11.e4 Nf4 (11...Nb4 12.Nc3+=) 12.Qc2 (12.g3 Ng6+–) 12...c5 (12...Nd7 13.bc6 Bc6 14.Nc3+=) 13.Rd1 (13.g3 Ng6+=) 13...Nd7+= 14.d4 (14.g3 Ng6+=) 14...Qc7 (14...cd4 15.Rd4 Qc7 16.g3=+) 15.dc5 Bc5 (15...Nc5? 16.Be5 Be4 17.Qe4 (17.Bc7 Bc2 18.Rc1 Bb1–/+) 17...Ne4 18.Bc7+–) 16.Qb3?? (16.Nbd2 Rad8=) 16...Rfe8 (better 16...Be4!? 17.Nbd2 Bd5–/+) 17.Nbd2= Ng6 18.Ng5 (18.Rac1 Rad8=) 18...Ngf8 (18...Nde5 19.Qc3=+) 19.Ndf3 (19.g3=) 19...Qf4?? (better 19...h6 20.Nh3 Be4–/+) 20.Ne6?? (20.g3 Qc7 21.Nd4 Bd4 22.Bd4 Nc5=) 20...Ne6?? (better 20...fe6 21.Rd7 Nd7 22.Be6 Re6 23.Qe6 Qf7 24.Qf7 Kf7–+) 21.Rd7+= Be4 22.Be6 (better 22.Re1 Bf3 A) 23.gf3? Ng5 24.Re8 Re8–+; B) 23.Be6?? Bd5 24.Qg3 Qg3 25.hg3 Be6–+ (25...fe6?! 26.Rg7 Kf8 27.Rh7–+); C) 23.Qf3 Qf3 24.gf3+=) 22...fe6?? (22...Re6 23.Nd4 Rae8–/+) 23.Rg7 Kf8 24.Rg5?? (better 24.Be5 Qf5 25.Rg5+–) 24...Bf3+= 25.Qf3 Qf3 26.gf3 Re7 (26...Rad8 27.Ra2+=) 27.Be5 Rf7 28.Kg2 Be7 (28...Rd8 29.Ra2+=) 29.Rg4 (29.Rh5 Bc5+–) 29...Rc8 (29...Rd8 30.Bf4+–) 30.Rg1 (30.Rd1 Rf5 31.Re4 Bf6+–) 30...Rc2 31.Bd4 (31.Rd1 Rf5 32.Bg7 Kf7+=) 31...Bf6+= 32.Bf6 Rf6 33.h4 (33.Re1!?+=) 33...Rc3= Attacks the isolani on f3 34.Kh2 Rcf3 35.Rg8 Ke7 36.Ra8 Rf2 37.Rg2 Rg2 38.Kg2 Kd6 39.Ra7 h6 40.Ra6 Kc5 41.Kg3 h5 42.Ra8 Rf5 43.Rg8 Kb4 44.Rg5?? (better 44.Rb8=) 44...Ka4–+ 45.Rf5?? (better 45.Rg6–+) 45...ef5 46.Kf4 Kb5 47.Kf5 Kc5 48.Kg5 b5 49.Kh5 b4 50.Kg5 (50.Kg6 b3 51.Kf5 b2 52.Kg5 Kd4 53.Kg6 b1Q 54.Kg5 Qc2 55.Kf6 Qf2 56.Kg6 Qh4 57.Kf7 Qf4 58.Ke7 Kd5 59.Kd7 Qf7 60.Kc8 Kc6 61.Kd8 Qd7) 50...b3 51.h5 (51.Kf4 b2 52.Ke3 b1Q 53.Ke2 Qe4 54.Kf1 Qc4 55.Kf2 Qh4 56.Ke3 Qg3 57.Kd2 Qf4 58.Kc3 Qd4 59.Kc2 Kc4 60.Kb1 Qf2 61.Kc1 Kc3 62.Kd1 Qd2) 51...b2 52.h6 (52.Kg4 b1Q 53.Kh4 Qb4 54.Kh3 Qd2 55.Kg4 Qd4 56.Kh3 Qc4 57.Kg3 Qf7 58.Kh4 Qe7 59.Kg4 Qf6 60.Kg3 Qg5 61.Kf2 Kd5 62.Kf3 Qh5 63.Ke3 Qh6 64.Kd3 Kc5 65.Ke4 Qh4 66.Ke3 Qg5 67.Kd3 Qf5 68.Kc3 Qf3 69.Kc2 Kd4 70.Kb2 Kc4 71.Kc1 Qf2 72.Kd1 Kd3 73.Kc1 Qc2) 52...b1Q 53.Kf6 Qh7 54.Kg5 (54.Ke6 Qh6 55.Kf7 Qg5 56.Ke6 Kc6 57.Kf7 Kd6 58.Kf8 Ke6 59.Ke8 Qe7) 54…Kd5 (54...Kd5 55.Kf4 Qh6 56.Kf3 Qd2 57.Kg4 Ke4 58.Kg3 Qb2 59.Kh4 Qg7 60.Kh5 Kf4 61.Kh4 Qg4; 54...Kd4 55.Kf4 Qh6 56.Kf5 Qc6 57.Kg5 Ke5 58.Kg4 Qg2 59.Kh4 Kf4 60.Kh5 Qg5) 0–1. retiponziani (1920) – telboy1944 (2025), ChessWorld.net, 2015.

9.a4 c6 10.d4 c5 11.Nbd2 Nbd7 12.Qb3 Rc8 13.Rfd1 Qc7 14.Rac1 Qb8 (14...Rfd8 15.Ne5 Ne5 16.de5=) 15.Be2 Rfd8 16.Nf1 (16.Nc4 Bd5=) 16...Bd5 17.Qd3 Qb7 18.Qb1 Ne4 19.Qa1 Ndf6 20.dc5 Bc5 21.Ng3 (21.N1d2 Nd2 22.Rd2 Ne4=) 21...Ng3=+ 22.hg3 Be7 23.Ne1 Rc1 24.Rc1 Rc8 25.Be5 (25.Rc8 Qc8 26.Be5=) 25...Bf8 (better 25...Rc1!? 26.Qc1 Nd7=+) 26.Rc8+= Qc8 27.Bf6 gf6 28.Qf6 Bg7 29.Qg5 (29.Qe7 Qc1 30.Qd8 Bf8=) 29...Qc1 30.Kf1 Qa1 31.Bh5 Qf6 (31...Qa4!? 32.Qd8 Bf8=) 32.Qf6+= Bf6 33.Bd1 Kf8 34.f3 Bc4 35.Kf2 Ke7 36.f4 Kd6 37.g4 Kc5 38.g5 Bg7 39.Bc2 h6 40.gh6 Bh6 41.g4 Kb4 42.g5 (better 42.Nf3!?+/-) 42...Bg7= 43.Kf3 Bb3 44.Bb3 (44.a5!? Bc4 45.ab6 ab6 46.Bh7=) 44...Kb3=+ 45.Nd3 (45.e4 Ka4 46.Nd3 Kb5-/+) 45...Ka4-/+ 46.Ne5?? (better 46.e4 Kb5 47.f5-/+) 46...Be5-+ 47.fe5 (47.Kg4 Kb5 48.Kf3-+) 47...Kb5 48.Kg4 a5 49.Kh5 a4 (better 49...Kc6 50.Kh6 Kd7 51.Kg7-+) 50.Kh6 a3 51.Kg7 a2 52.Kf7 a1Q 53.Ke6 Kc6 54.g6 Qg1 (54...Qa2 55.Kf6-+) 55.Kf7 (55.Kf6 Qf2 56.Ke7 Qe3-+) 55...Qe3 56.g7 Qg5 (56...Qf4 57.Kg6 Qg4 58.Kh6 Kd5 59.g8R Qg8 60.Kh5 Ke5 61.Kh4 Kf4 62.Kh5 Qg5) 57.g8Q Qg8 58.Kg8 Kd5 59.Kf7 Ke5 (59...Ke5 60.Ke7 b5 61.Ke8 b4 62.Kd7 b3 63.Kc6 b2 64.Kb5 b1Q 65.Kc6 Qc2 66.Kb7 Kd5 67.Kb6 Qc6 68.Ka7 Qb5 69.Ka8 Kc6 70.Ka7 Qb7) 0-1. zembelek (2035) - poupouce (1935), Rated Blitz game, lichess.org, 2014.

9.d4 a6 10.Ba3 =.

9.d4 c5 10.Nbd2 cd4 11.Bd4 Nbd7 12.Rc1 (12.Qe2 Rc8+=) 12...Rc8 (12...a6 13.ba6 Ba6 14.Qe2 Bc4 15.Nc4=) 13.a4 Nc5 14.Ne5 Qc7 15.Ndf3 Qb8 16.Bc5 (16.Qc2 Bd6=) 16...Bc5 (better 16...Rc5 17.Nd3 Rd8=) 17.Nd7?? (better 17.Qb3=) 17...Nd7-+ 18.Qd7 (18.Be6 fe6 19.Qd7 Bd5-+) 18...Bf3 19.gf3 Rfd8 20.Be6 Rd7 (20...fe6?! 21.Qe6 Kh8 22.Rfd1-+) 21.Bd7 Rd8 22.Bc6 Qe5 (22...Rd2 23.Rcd1 Qd6 24.Rd2 Qd2 25.Ra1-+) 23.f4 (23.Rfd1 Rd1 24.Rd1 g6-+) 23...Qh5 24.Rfe1 Rd6 25.Be4 (25.Bg2 Rd2-+) 25...g5 (better 25...Qg4 26.Kh1-+) 26.f5 (26.fg5 Rd2 27.Bg2 Qh4-+) 26...Qg4 27.Bg2 Qf5 (27...Qa4 28.Ra1 Qb5 29.Ra7-+) 28.Red1 (28.Rf1 Qg4 29.Ra1 Rd2-+) 28...Rf6 (better 28...Qg4!? 29.Rd6 Bd6 30.Ra1-+) 29.Rd2 h5 30.Rc4 (30.Rf1-+) 30...Qb1 31.Bf1 Be3 32.Re2 Bc5 (32...Rf2 33.Rc8 Kg7 34.Rf2 Qf5 35.Kh1 Qf2 36.Rg8 Kg8 37.a5 Qf1) 33.h4 (33.Rce4 Kg7 34.Re5 Kg6-+) 33...g4 (33...gh4 34.Rg4 hg4 35.Rd2 Qe1 36.Ra2 Rf2 37.Ra1 Rf1 38.Kg2 Qe2) 34.Kg2 Qb3 35.Rce4 (35.Rc5 Qf3 36.Kh2 bc5-+) 35...Qh3 (35...Rf2 36.Rf2 Qh3 37.Kg1 Qg3 38.Kh1 Qf2 39.Re8 Kg7 40.Rg8 Kg8 41.Bg2 Qg1) 36.Kg1 Qg3 37.Kh1 Bf2 38.Bg2 (38.Re8 Kg7 39.Rf2 Rf2 40.Rg8 Kg8 41.Bg2 Qg2) 38…Qh4 (38...Qh4 39.Bh3 Qh3) 0-1. zembelek (2000) - Romoda (2205), Rated Blitz game, lichess.org, 2014.

9.d4 c6 10.a4 c5 11.Nbd2 Nbd7 12.Qb3 cd4 13.Bd4 Bd5 14.Rac1 Bc4 15.Nc4 Nd5 16.Nce5 Ne5 17.Ne5 Bf6 18.Nc6 Qe8 19.Rfd1 Bd4 20.Rd4 f5 21.Rcd1 Qf7 22.f3 Qf6 23.e4 fe4 24.Re4 Nf4 25.Rde1 Rae8 26.g3 Nh3? (better 26...Nd5 27.f4 Qf7+/-) 27.Kg2+- Ng5 28.R4e3 Kh8 29.h4 Nf7 30.Re6 Re6 31.Re6 Qf5 32.g4 Qf4 33.Re4?? (better 33.Qe3 Qe3 34.Re3+-) 33...Qd2+/- 34.Kh3 (34.Kg3 Nd6 35.Re7 Qf4 36.Kg2 Qd2 37.Kh3=) 34...Nd6= 35.Rd4 Qe2 36.Rd3 h5 37.Nd4?? (better 37.Qd5=) 37...Qf1 (37...hg4 38.Kg3 Ne4 39.fe4 Qf2 40.Kg4 Rf4 41.Kg5 Qh4 42.Kg6 Qg4) 38.Kg3 (38.Kh2 Qf2 39.Kh1 hg4 40.Qc2 (40.fg4?? Qf1 41.Kh2 Rf2 42.Kg3 Ne4) 40...Qf1 41.Kh2-+) 38...Qg1 39.Kh3 Ne4!! 40.fe4 (40.fe4 hg4 Mate attack) 40…Rf2 (40...Rf2 41.Qg8 Kg8 42.gh5 Qg2; 40...hg4) 0-1. dale70 (2055) - marnie (1980), Rated Blitz game, lichess.org, 2015.

9.d4 c6 10.a4 c5 11.Nbd2 Nbd7 12.Rc1 cd4 13.Nd4 Ne5? (13...Rc8 14.N2f3=) 14.Be2 (14.Ne6 fe6 15.Be5 Bd5+/–) 14...Bc5 (14...Qd5 15.N4f3 Ng6 16.Bc4+=) 15.N2f3 (15.Ne6!? fe6 16.Be5+/–) 15...Nf3 16.Bf3 (worse is 16.gf3 Qd5+=) 16...Bf3 17.Nf3 (worse is 17.gf3 Nd5=) 17...Ne4 18.Nd4 Bd4 19.Bd4 Rc8 (19...Qh4 20.Qd3 Nf6 21.Qe2+=) 20.Qe2 (20.Rc8!? Qc8 21.Bg7+/–) 20...Qd5 21.Qb2 (21.Qg4 g6+=) 21...f6 22.Rfd1 Qf5 (22...Rc1 23.Qc1 Rd8 24.Rf1+=) 23.Rc2 (23.f3 Ng5+=) 23...Rfd8 24.Rdc1 e5 25.Bc3 Qd7 26.Be1 Nc5 27.h3 Nd3?? (better is 27...Kh8 28.Qc3 Ra8=) 28.Qb3+– Kf8 29.Rc8 Nc1 (29...Rc8 30.Rc8 Qc8 31.Qd3 Kf7+–) 30.Bb4 Ke8 (30...Qd6 31.Bd6 Ke8 32.Qe6) 31.Qg8 1–0. algernon (2495) – vitorcosta (2375), net–chess.com, 2016.

9.d4 c6 10.a4 Ne4 11.Qb3 (11.Qc2 cb5 12.ab5 Qc7+=) 11...c5 (better 11...a6=) 12.Be6?? (better 12.Rd1 cd4 13.Bd4+=) 12...fe6–+ 13.Qe6 Kh8 14.Ne5 Nd7?? (better 14...Bd5 15.Qg4 Bd6–+) 15.Qd6?? (better 15.Qd7 Qd7 16.Nd7+–) 15…Bd6–+ 0–1. DEFFM – GuestHDBF, freechess.org, 2018.

9.d4 Ne4 10.Nc3 (10.Qc2 c5+=) 10...Nc3 11.Bc3 c6 12.a4 (12.Qe2 a6 13.bc6 Bc6+=) 12...c5 (12...a6!?=) 13.Qe2 cd4 14.Bd4 Nd7 15.Rfd1 Qe8 16.Ne5 Rd8 17.Nc6 Bc6 18.bc6 Nc5 19.Bb5 Rd5 20.e4 Rg5 (20...Rd8 21.c7 Rd4 22.Be8 (22.Rd4?! Qc8+/–) 22...Rd1 23.Rd1 Re8 24.Qb5+–) 21.f4 Rg6 22.Bf2 (22.a5 Nb3 23.c7 Qc8 24.ab6 Na1+–) 22...e5 (22...a6 23.f5 ef5 24.ef5+=) 23.fe5 (23.f5 Rd6+/–) 23...Re6 24.Rd5 Qc8 25.a5 Nb3 26.ab6 Na1 27.b7 Qc7 28.Qb2 a6 29.Ba4 Nc2?? 30.Qc2 Re5? 31.Re5+– Qe5 32.c7 (32...Bd6 33.c8Q Qh2 34.Kf1 Qh1 35.Bg1+–) 1–0. Van Esbroeck,Dirk – Dullaert,C, corr CiF, 1990.

7.bc6 Bc6 8.cd5 Nd5 9.Ne5 Bd7 10.Nd7 Qd7 11.Be2 Be7 12.Nc3 Nc3 13.Bc3 0-0 14.0-0 Nc6 15.Bf3 Rac8 16.Qa4 Ne5 17.Qd7 Nd7 18.Rac1 Bf6 19.Bf6 Nf6 20.Bb7 Rcd8 21.d4 Nd5 22.Rc4 g6 23.Rfc1 ½–½. Wister,Finn Arild – Hansen,Li (1650), Fagernes NOR, Clubs Ch, 2012.

7.bc6 Nc6 8.Bf6 (8.cd5!? Nd5 9.Nc3=) 8...Qf6=+ 9.Nc3 dc4 10.Bc4 Bb4 11.Rc1 (11.0-0 Bc3 12.dc3 0-0=+ (worse 12...Qc3 13.Bb5+–)) 11...0-0 12.0-0 Na5 (12...Rac8 13.Ne4 Qg6 14.d3=+) 13.Be2–/+ Rac8 14.Nb5 a6 15.Rc8 Rc8 16.Qb1 Be7 (16...ab5?! 17.Qb4 Rc2 18.Qb5+=) 17.Nc3 (17.Nbd4 b5–/+) 17...b5 18.Ne4 Qh6 (18...Qg6 19.d3–/+) 19.d4 (19.d3 f5 20.Ned2 Bd6=+) 19...Be4 (19...Bd5 20.Ng3=+) 20.Qe4= Qg6 21.Bd3 (21.Qg6 hg6 22.Bd3 Rc3=+) 21...Qe4=+ 22.Be4 Rc3 23.d5 ed5 24.Bd5 Bf6 (24...Nc4 25.Be4=+) ½–½. Bulcourf,Carlos – Darcyl,Tomas, San Martin ARG–ch, 1987.

7.cd5 ed5 8.Be2 Bd6=.

7.Be2 Bd6 8.0-0 0-0 9.a4 Nbd7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0-0 8.0-0 b6 9.a4 Bb7).

7.a4 dc4 (7...0-0 8.Nc3=) 8.Bc4+= Nbd7 9.0-0 Qe7 (9...a6 10.Nc3+=) 10.d4+= Bd6 11.Ne5 Be5 (11...0-0 12.Nc6 Bc6 13.bc6+=) 12.de5 0-0?? (better 12...Ne4+=) 13.ef6+– (13.ef6 gf6 14.a5+–) 1–0. DEFFM – GuestGMNK, freechess.org, 2019.

7.Nc3 0-0 8.cd5 ed5 9.d4=.

7.Nc3 d4 8.Na4 Bb4 (8...de3 9.de3 Bb4 10.Bc3=) 9.Nd4 (9.Bd4 c5 10.Bc3 Bc3 11.Nc3 0-0+–) 9...Ne4 (9...0-0 10.Nc3+=) 10.Nc3 Bc3 11.dc3 Nf2? (better 11...a6+=) 12.Kf2+– Qf6 13.Nf3 0-0 (13...e5 14.Ke1+–) 14.Qd4 e5 (14...Qe7 15.Be2+–) 15.Qe5 Qd8 (15...Nd7 16.Qf6 (worse 16.Qc7 Bf3 17.gf3 Ne5+–) 16...Nf6 17.Bd3+–) 16.Ba3 Re8 17.Rd1 Nd7 18.Qf5 g6 (18...Qf6 19.Bd3 Qf5 20.Bf5 Nf6+–) 19.Qd7 Qd7 (19...c5 20.Be2 Be4 21.Rhf1+–) 20.Rd7 c5 (20...a6 21.Rc7 ab5 22.Rb7 Ra3 23.cb5 Rc3 24.Rb6 Rc2 25.Be2 Ra2 26.Rb7+–) 21.Rb7 Rad8 22.Be2 Re4 23.Ra7 Rd6 24.Rf7! Kf7 25.Ng5 Kg7 26.Ne4 Re6 27.Nc5! bc5 28.Bc5 Re5 29.Bd4 (29.Bd4 Kf7 30.Be5+–) 1–0. GuestKNZL – GuestGMZT, freechess.org, 2018.

7.d4 Bb4 8.Bc3 (8.Nc3 0-0=) 8...Bc3 (8...Be7 9.Nbd2=) 9.Nc3 dc4 (9...0-0 10.cd5 Nd5 11.Nd5 Bd5 12.Bd3=) 10.Bc4+= Bf3 (10...0-0!?+=) 11.Qf3+/– Nbd7 12.0-0 0-0 13.h3 c5?? (better is 13...Ne8+/–) 14.bc6+– b5 (14...Rc8 15.Ba6 (15.cd7?! Rc4 16.Rac1 h6+=) 15...Nb8 16.Bc8 Qc8 17.Rfc1 Qc6 18.Qc6 Nc6 19.Nb5+–) 15.Bb5 (15.cd7?! bc4 16.Rab1 Qa5+/–) 15...Nb6 16.Rfc1 Qc7 (16...Nbd5 17.Rab1+–) 17.Rab1 Rad8 (17...Nbd5 18.Nd5 Nd5 19.Bc4 Qc6 20.e4+–) 18.Bd3 Rd6 (18...Qe7 19.Qg3 Rc8+–) 19.Nb5 Qe7 20.Nd6 Qd6 21.Rb6! ab6 22.c7 Rc8 (22...Qd7 23.Ba6 h6+–) 23.Qb7 Qd7 24.Ba6 1–0. Janek – greyowl, internet, 2016.

7.Be2 0-0 8.0-0 dc4 9.Bc4 Nbd7 10.d4 Be7 11.a4 c5 12.dc5 Nc5 13.Qc2 Qc7 14.Nbd2 Rfd8 15.Nd4 Nce4 16.Ne4 Be4 17.Qb3 Bd5 18.Bd5 Nd5 19.Rac1 Qd7 20.e4 Nf6 21.Nc6 Rdc8 22.Rfd1 Qe8 23.Ne7 Qe7+= 24.f3 Nd7 25.Qe3 Nc5 26.Qf4 Na4=+ 27.Ba1 Nc5 28.Qg4 f6 29.f4 Nb3 30.Rc8=+ Rc8 31.Bb2 Nc5 32.e5 f5 33.Qe2 Qb7 34.Qc4 Qe4 35.Qa2? Qf4 36.Ba3 Qe5 0–1. stoker – Simson10, Live Game Caissa's Web, 2004.

7.Be2 0-0 8.0-0 Nbd7 9.Nc3 (9.cd5 Nd5 10.d4 Bd6=) 9...a6 (9...dc4!? 10.Bc4 Bf3 11.Qf3 Ne5=) 10.cd5= Nd5 11.Qb3 ab5 12.Bb5 (worse is 12.Qb5 Nc3 13.Bc3 Ba6 14.Qa6 Ra6 15.Ba6 Bd6–/+; 12.Nb5?! c6 13.Nc3 Bd6=) 12...Ba6 (better is 12...N7f6!?+=) 13.Ba6+/– Ra6 14.Nd5 ed5 15.Qd5 Ra5 16.Qb3 Re8 17.Nd4 Ne5 18.f4 Ng6 19.Rad1 Ra8 (19...Nh4 20.Nf3+/–) 20.Nf5+/– Rc8? (better is 20...Bf8+/–) 21.Ng7+– Rb8 (21...Re4+–) 22.Ne8 Qe8 23.Qc3 Qf8 (23...f6 24.f5 Ne5 25.d4+–) 24.f5 Ne7 (24...Bb4 25.Qb3 Ne5 26.Be5 Bd6 27.Bd6 Qd6+–) 25.Qh8 1–0. forsetinn – raqitt, gameknot.com, 2013.

7.a4 a5 8.Qc2 cb5 9.ab5 (9.cd5 Bd5 10.Bb5 Nbd7=) 9...dc4 10.Be2 Nbd7 11.0-0 Bb4 (11...Rc8 12.Rc1=+) 12.Qc4= 0-0 13.d4 Rc8 14.Qb3 Qe7 15.Nbd2 Rc7 16.Rfc1 Rfc8 17.Rc7 Rc7 18.Bd3 h6 19.e4 Bd2 (19...Nh5!?=) 20.Nd2+= Qd8 21.Ba3 (21.Qd1+=) 21...Qa8 (21...Nf8 22.Qa4=) 22.f3 (22.Bd6 Rc8 23.f3 Kh8+–) 22...Nf8 23.Bd6 Rd7 24.Be5 (better 24.Qa3+=) 24...Rd8? (better 24...Qd8!? 25.Rd1 Nh5=) 25.Nc4 (25.Bc7 Rd4 26.Bb6 Rd7+–) 25...N8d7+– 26.Bf6 (26.Bg3 Qa7+–) 26...gf6? (26...Nf6 27.e5 (27.Nb6? Qa7–+) 27...Nd5 28.Nd6+=) 27.Nd6 (27.Qa3!? Qc8 28.Rc1+–) 27...Qb8+– 28.Nb7 Qb7 29.Bc4 Rc8 30.Be6 (better 30.Ra4!?+–) 30...fe6= 31.Qe6 Kg7 32.Qe7 Kg6 33.f4 Nc5 34.f5 Kg5 35.h4 Kf4? Now all is on e4 (35...Kh5 36.Qf6 Ne4=) 36.Qf6 (36.Qd6 Kg4 37.dc5 Qe4 38.Qd1 (38.cb6?! Rc2 39.Qd1 Kh4+–) 38...Kf5 39.Ra4 Qe3 40.Kh1 Qc5 41.Qg4 Ke5 42.Re4 Kd6 43.Qe6 Kc7 44.Rc4+– (44.Qf6?! Kb7+=)) 36...Ne4? (better 36...Nd3 37.Ra3 Rc1 38.Kh2 Rd1+–) 37.Qh6+– Kg3 (37...Kg4 38.Rf1 Rg8 39.Rf4 Kg3 40.Rf3 Kg4+–) 38.Rf1 (38.Ra3 Rc3 39.Rc3 Kg4 40.Qg6 Kh4 41.Rh3) 38...Rc3 39.Qg6 (39.Qf4) 39...Kh4 40.Rf4 1–0. GuestNSDK – GuestZBZL, freechess.org, 2017.

7.a4 a5 8.Nc3 c5=.

7.a4 a5 8.bc6 Bc6 9.cd5 Nd5 10.Ne5 (10.Nc3 Nc3 11.Bc3 Qd5+–) 10...Bd7 (10...Be7 11.Nc3 0-0 12.Rc1+=) 11.Nd7 Nd7 12.Bb5 N5f6 13.Bf6 Qf6 14.Bd7 (14.d4 Bb4 15.Nd2 Qe7+–) 14...Kd7+= 15.Nc3 Bb4 16.Nb5 Rac8 17.0-0 Rc5 (17...Rhd8 18.Qe2 Ke7 19.d4+=) 18.d4+– Rg5? (better 18...Rc4!?+–) 19.f4+– Rg6 20.Qc2 Rc8 (20...Rd8 21.Rac1 Rh6 22.Na7+–) 21.Qe4 Ke8?? (better 21...Qf5 22.Qb7 Kd8+–) 22.f5 Rh6 (22...Rg5 23.Rac1 Rc1 24.Rc1 Qf5 25.Qb7 Rg2 26.Kg2 Qd5 27.Qd5 ed5 28.Nc7 Kd7 29.Nd5+–) 23.Qb7 Rd8 (23...Qd8 24.fe6 Be7+–) 24.fe6 Qe6 (24...Qg6 25.Rac1 Qh5 26.Qc6 Kf8+–) 25.Nc7 (25.Nc7 Ke7 26.Ne6 Rd7 27.Rf7 Kf7 28.Qd7 Be7 29.Ng5 Kg6 30.Rf1 Rh2 31.Qf5 Kh5 32.Nf7 g5 33.Qh7 Kg4 34.Qh2 b5 35.Ne5) 1–0. DEFFM – GuestVVGF, freechess.org, 2019.

7.a4 cb5 8.ab5 Bd6 9.cd5 Bd5 10.Nc3 Bb7 11.Be2 0-0 12.0-0 Nbd7 13.d4 Nd5 14.Nd5 Bd5 15.Qd2 (15.Qd3 f5+–) 15...Nf6+= 16.Rfc1 Qd7? (better 16...Ne4!? 17.Qd3 Qe7=) 17.Ne5+– Qe7 18.Nc6 Qd7 (18...Qc7!? 19.g3 a5+–) 19.f3+– Rfc8 20.e4 Bc6 21.bc6 (21.Rc6?! e5 (21...Rc6? 22.bc6 Qc6 23.e5+–) 22.d5 a5+–) 21...Bh2?? (21...Rc6 22.Rc6 Qc6+–) 22.Kh2 Rc6 23.Bb5 Qc7 24.e5 Rc1 25.Rc1 (25.Rc1 Qb8 26.Bc6+–; 25.Qc1?! Qc1 26.Bc1 Nd5+–; 25.Bc1?! a5+–) 1–0. DEFFM – GuestZLQH, freechess.org, 2019.

7.a4 Nbd7 8.Nc3 (8.cd5 A) 8...cd5 9.Be2 (9.d4 Bb4 10.Nbd2 a6 11.Bd3 ab5 12.ab5; 9.Ba3 Ba3 10.Na3 Rc8 11.Be2 Ne4 12.0-0) 9...Be7 10.0-0 0-0 11.Nc3 a6 12.Rc1; B) 8...Nd5 9.Nc3 (9.Be2 a6 10.0-0 N7f6 11.Ne5 ab5 12.ab5; 9.Bc4 Rc8 10.0-0 N5f6 11.d3 Bd6 12.Na3) 9...Nb4 10.Be2 Be7 11.0-0 0-0 12.d4; 8.Be2 dc4 9.Bc4 (9.0-0 Rc8 10.Bc4 cb5 11.Bb5 Bd6 12.d4; 9.Nc3 Rc8 10.Bc4 cb5 11.Bb5 a6 12.Be2; 9.bc6 Bc6 10.Bc4 Rc8 11.Ba6 Rc7 12.0-0) 9...Bd6 10.Nc3 a6 11.bc6 Bc6 12.d4) 8...Qc7 (8...Bb4 9.bc6 (9.cd5 cd5 10.Qb3 Ba5 11.Be2 Ne4 12.0-0; 9.Rc1 dc4 10.Bc4 cb5 11.ab5 Rc8 12.Be2; 9.Qb3 Bd6 10.cd5 Nc5 11.Qc2 cd5 12.Rc1) 9...Bc6 10.cd5 Bc3 11.dc6 (11.dc3 Bd5 12.c4) 11...Bb2 12.Ra2=; 8...Rc8 9.bc6 Rc6 10.cd5 ed5 11.Be2 Be7 12.Nd4; 8...dc4 9.Bc4 Bd6 10.0-0 0-0 11.d4 cb5 12.Nb5; 8...cb5 9.ab5 (9.cd5 Nd5 10.ab5 Nc3 11.dc3 Qc7 12.Ra2) 9...dc4 10.Bc4 Bd6 11.d3 Qc7 12.e4) 9.Be2 (9.bc6 Bc6 10.cd5 Nd5+= 11.Nb5 Qd8 12.Rc1; 9.cd5 cd5 10.Rc1 Qd6 11.Nb1 Qb4 12.Ba3; 9.Rc1 dc4 10.Bc4 a6 11.bc6 Qc6 12.Be2) 9...Bb4 (9...dc4 10.Bc4 cb5 11.Bb5= a6 12.Be2) 10.h3 (10.cd5 Bc3 (10...cd5 11.Rc1 Qd8 12.0-0) 11.d6 Qd6 12.dc3 Qc7=) 10...0-0 (10...dc4 11.Rc1+= a6 12.Bc4) 11.0-0 (11.cd5 Nd5 12.Nd5 cd5 13.Rc1=) 11...Nc5 (11...dc4!? 12.Bc4 cb5 13.Bb5 a6+=) 12.Qc2 (12.Na2 Ba5+=) 12...Nfe4 (12...dc4 13.Na2 c3 14.Nc3 cb5 15.Na2+=) 13.Na2 Ba5 14.Ba3 (14.Be5 Qd8 15.d3 Nf6+=) 14...Rfc8 15.d4 Nd7 16.Bd3 (16.cd5 ed5 17.bc6 Qc6 18.Qc6 Rc6=) 16...Ndf6 17.Ne5 (17.Rfc1 c5=) 17...cb5 (17...c5 18.Bb2=) 18.ab5 dc4 19.Be2 (better is 19.Nc4 Bd5 20.Rfc1=) 19...Nd2–/+ 20.Rfd1 (20.Rfc1 Bd5 21.Qa4 a6–/+) 20...Be4–+ 21.Qb2?? (better is 21.Qa4 Nb3 22.f3–/+) 21...c3 22.Rac1 (22.Nc3 Bc3 23.Qa2–+) 22...cb2 23.Rc7 Rc7 24.Bb2 Rc2 25.f3 Rb2 26.Nc1 Bc2 27.Rd2 Bd2 28.Ncd3 Be3 29.Kh2 Bf4! 30.Nf4 Ba4 31.Nc6 Bb5 32.Bb5 Rb5 33.Nd3 Rb3 34.Nde5 a5 35.Ne7 Kf8 36.N5c6 Nd5 37.Nd5 ed5 38.Kg3 g6 39.Kf4 Rc8 40.Na7 Rc7 (40...Rc7 41.Ke5 Ra7 42.Kd5 a4–+) 0–1. Niermann,Georg – Nordlohne,Jan_Bela, Vereinsmeisterschaft, 1998.

7.a4 Be7 8.cd5 Qd5 9.a5 ba5=.

7.a4 Be7 8.Be2 0-0 (--> 5.c4 Bb7 6.Nf3 Be7 7.Be2 0-0 8.a4 c6).

7.a4 Be7 8.Be2 cb5 9.cb5 0-0 10.0-0 Nbd7 11.d3 (11.Nc3 e5=) 11...Rc8 12.Nbd2 (12.Bc3 Bd6=) 12...Bd6 13.Nb3 (13.d4 Ne4=) 13...Qc7 (13...e5 14.a5=) 14.h3 (14.a5 Qb8=) 14...Qc2 (14...e5 15.Rc1 Qb8 16.Qd2=) 15.Rb1 (15.Ba3 Ba3 16.Ra3 e5=) 15...Qd1 (15...e5 16.a5=) 16.Rfd1 Rc2 (16...e5 17.Rdc1=) 17.Kf1 (17.Nfd4 Rc7=) 17...Rfc8 (17...e5 18.Rdc1 Rfc8 19.a5=) 18.Rdc1 (18.Nfd4 R2c7=) 18...Rc1 (18...e5 19.a5=) 19.Rc1 Rc1 20.Bc1 h6 (20...e5 21.Bb2=) 21.Nfd2 (21.Bb2 e5=) 21...a6 22.d4 a5 (22...ab5 23.Bb5 Nb8 24.Nb1=) 23.Bd3 (23.Nb1 Ne4=) 23...Bb4 (23...Kf8 24.Nb1=) 24.Nb1 (24.Ke2 Ne4 25.Bb2 Ndf6+=) 24...Bd6 (24...e5 25.Bf5=) 25.Ba3+= Bc7 26.Nc3 (26.Be7 e5+=) 26…Ba8 ½–½. jaddwarrior (1915) – bunnykins (1860), ChessWorld.net, 2016.

7.Nc3 a6 8.Rc1 =.

7.Nc3 dc4 8.Bc4 c5 9.0-0 g6 (9...Nbd7 10.d4+=) 10.d4 cd4 11.Ne2 (11.ed4 Bg7 12.Ba3+–) 11...Bg7+– 12.Ned4 0-0 13.Ba3 Re8 14.Rc1 Nbd7 (14...Ne4!?+–) 15.Nc6+– Bc6 16.bc6 Nc5 17.Qd8 Red8 18.Bc5 bc5 19.Ba6 Nd5 20.Bb7 (20.Bb7 Rab8 21.Rc5+–) 1–0. Pierre – Ceynova, internet, 2019.

7.Nc3 Nbd7 8.bc6 Bc6 9.cd5 Nd5 10.Nd5 Bd5 (< 10...ed5 11.Rc1 Rc8 12.Nd4+=) 11.Rc1 f6 12.Bb5 Bd6 (12...e5 13.0-0=) 13.Nd4 (13.Qa4 Qe7+=) 13...0-0= 14.Bc4 (better is 14.e4 Be4 15.Ne6+=) 14...Bg2?? (better is 14...Ne5 15.Nc6 Bc6 16.Be6 Kh8 17.Be5 fe5 18.Rc6 Qf6–/+) 15.Ne6 (15.Be6?! Kh8 16.Rg1 Nc5 17.Rg2 Nd3 18.Kf1 Nc1+–) 15...Qe7 16.Rg1 Bh3 (16...b5 17.Bb3 Kh8 18.Nf8 Rf8 19.Rg2 Nc5+–) 17.Rg7 Kh8 (17...Qg7 18.Ng7 Kg7+–) 18.Re7 Rg8 19.Rh7! Kh7 20.Qh5# 1–0. AGove – Bull_Dog_Baz, ChessWorld.net, 2007.

7.Nc3 Be7 8.d3 0-0 9.Qb3 (9.Be2 dc4 10.dc4 Qc7=) 9...dc4 10.dc4 e5 (better is 10...Qc7!?=) 11.Rd1 Nbd7 12.Ne5! Qc7 (12...Ne5 13.Rd8 Pinning (13.Rd8 Deflection)) 13.Nd7 Nd7 14.Qc2 Nf6 15.f3 Rad8 16.Bd3 g6 17.e4 Rd7 18.Ne2 Rfd8 19.0-0 (better is 19.Bc3+/–) 19...Rd6?? (better is 19...cb5 20.cb5 Qc5 21.Qc5 Bc5 (worse is 21...bc5 22.Nc1+=) 22.Kh1 Ne4+=) 20.e5+– R6d7 (20...Rd3 21.Rd3 Rd3 22.Qd3 Nd7+–) 21.ef6 Bd6 22.g3 Be5 23.Bc1 (23.Be5!? Qe5 24.Be4 Qf6 25.Rd7 Rd7+–) 23...Bf6 24.Be4 (24.Bf4 Qc8 25.a4 cb5 26.ab5 Kg7+–) 24...Rd1 25.Rd1 Rd1 26.Qd1 ½–½. Zieba,Marcin – Jaszczuk,Mateusz, II Turniej Szachowy o Mistrzostwo Poland, 1999.

7.Be2 Nbd7 8.0-0 Qc7 9.a4 Bd6 10.h3 h6 11.Qc2 g5 12.d4 Rg8 13.cd5 Nd5 14.bc6 Bc6 15.Rc1 Rc8 16.Nbd2 Qb7 17.Qb3 Bb8 18.Ne5 Be5 19.de5 Nc5 20.Qa3 Qd7 21.Nc4 Kf8 22.Nd6 Rd8 23.Bd4 Kg7 24.Bc5 bc5 25.Qc5 Ba8? 26.Qb5 Qb5 27.Nb5 f5? 28.ef6! Nf6 29.Rc7 Rd7 30.Rd7 Nd7 31.Na7 Kf6 32.Nb5 Ke5 33.a5 Nf6 34.a6 h5 35.Nc7 g4 36.hg4 hg4 37.Na8 Ra8 38.f3 gf3 39.Bf3 Ra7 40.Bb7 Nd7 41.Rc1 Kd6 42.Rc6 Ke7 43.Kf2 Nb6 44.Rb6 Kd7 45.g4 Ke7 46.Kf3 Kd7 47.Ke4 Ke7 48.Ke5 Kd7 49.g5 Ke7 50.Re6 Kf7 51.g6 Kg7 52.Kf5 Kf8 53.Kf6 Kg8 54.Rc6 Kf8 55.Rc8 1–0. carocan (1800) – quickfox (1700), kurnik, 2011.

7.a4 a5 8.cd5 Bd5 9.Be2 0-0 10.d3 Nbd7 11.Nbd2 e5 12.e4 Bb7 13.0-0 Qe7 14.Nc4 Now all is on e5 14...Rfe8 15.Rc1 Rac8 16.Rc2 (worse 16.Nd6 cd6 (worse 16...Qd6 17.Nd2+/-) 17.Rc8 Rc8=) 16...Ng4 17.Qa1 f6 (17...Ngf6 18.Bc3+=) 18.Nh4 Nh6 19.Bc1 f5 20.Qa2 Kh8 21.Nf5 Nf5 22.ef5 e4 23.Nd6 cd6 24.d4 e3 25.Be3 (25.fe3!? Bd5 26.Qb2+/- (26.Qd5? Rc2 27.Qf3 Rec8-+)) 25...Qe4+/- 26.Rc6 Bc6 27.bc6 Nf6 (better 27...Rc6!? 28.Bf3 Rc2+/-) 28.Bf3+- Qf5 29.d5 Ne4 30.Qc4 h5 31.Rd1 (31.Bb6 Nd2 32.Qb5 A) 32...Nf1 33.Kf1 (33.Qf1?? Rb8 34.Be2 Rb6-+) 33...Rb8 34.c7-+; B) 32...Nf3 33.gf3 Qf3-+) 31...Ng5 (31...Kg8 32.Qc2 (32.Bb6?! Nd2 33.Qc3 Nf3 34.Qf3 Qc2+=) 32...Qe5 33.h4+-) 32.Bg5 (better 32.Be2!? Ne4 33.Bd3+-) 32...Qg5+/- 33.h4 Qe5 (33...Qf5 34.Qb3+/-) 34.Qa6 Qc3 (34...Rb8 35.g3+/-) 35.Kh2 (35.Bh5!? Rf8+-) 35...Qb4 (35...Rf8 36.Qd3 Qb4 37.Kh3 Qa4 38.Rd2+=) 36.g3 Rf8 37.Qd3 Rce8 (37...Rf6!?+=) 38.Kg2 Re5 39.Rc1 Qa4 40.c7 Qd7 41.Qg6 Rc8 42.Rc6 b5 (42...a4 43.Be4 Re4 44.Qe4+/-) 43.Rd6 (43.Be4!? Re4 44.Qe4+/-) 43...Qc7+= 44.Re6 Rf8 45.Be4 Re4 46.Qh5 Kg8 47.Re4 Qc5 Attacks the backward pawn on f2 48.Re2 a4 49.Qe5 a3 50.Qe6 Kh8? (50...Kh7 51.d6 Qc6 52.Kh2+=) 51.h5?? (better 51.d6 Qc6 52.Kh2+-) 51...Rf6 52.Qe8 Rf8 53.Qe5 Rf6 54.Qe8 (54.h6 Kg8+= (54...Rh6?? 55.Qf5 Rg6 56.Qg6 Qd5 57.f3+-)) 54...Rf8= 55.Qe6 Rf6 56.Qe4 b4 57.Rc2 Qf8 58.Qg4 b3 59.Rc8 Rf2 60.Kh3 a2 61.h6?? (better 61.Rf8 Rf8 62.Qa4=) 61...a1Q-+ 62.hg7 (62.Rf8 Rf8 63.Qe6-+) 62...Qag7 63.Rf8 Rf8 64.d6 Qg4 (64...Qg4 65.Kg4 b2 66.d7 b1Q 67.d8Q Qf5 68.Kh4 Rd8 69.g4 Rd4 70.Kg3 Rg4 71.Kh2 Qh5) 0-1. Steffens,O (2185) - Villwock,M (2205), Bremen Silvester Open, 2018.

7.d4 a6 8.cd5 Nd5 9.e4 Bb4 10.Nbd2 =.

7.d4 Kf8 8.Nbd2 (8.cd5 Nd5 9.e4 Bb4 10.Nfd2 Nf6=) 8...g6 (8...a6 9.cd5 Nd5 10.e4=) 9.a4 Kg7 10.Rc1 Rf8 (10...dc4!? 11.Be2 a6=) 11.c5+/- bc5 12.dc5 Be7 13.Ne5 Kg8 14.Ndf3 (14.Be2 c6+/-) 14...c6 (14...Ne4 15.c6 Bc8 16.Nd3+=) 15.Qc2 (15.Qd4 Qc7+/-) 15...Nfd7 (15...Ne4 16.Nd2 Nd2 17.Qd2+=) 16.Nd7 (16.Ng4!? f6 17.Nd4 Nc5 18.Ba3 Qa5 19.Ke2 cb5 20.Bc5+-) 16...Nd7= 17.Bd4 (17.Qc3 Bf6 18.Nd4 Rc8=) 17...Rc8 18.Qb2 (18.Qd2 f6 19.bc6 Bc6-/+) 18...Bf6 (18...f6 19.e4-/+) 19.Ne5?? (19.Bf6 Nf6 20.b6 ab6 21.Qb6 Qe7+=) 19...Ne5 (better 19...Qa5 20.Ke2 Be5 21.Be5 Ne5 22.Qe5 Qa4 23.bc6 Ba6 24.Kf3 Bf1 25.Rhf1 Rc6-/+) 20.Be5= Be5 21.Qe5 Qa5 22.Qc3 Qa4 23.bc6 (23.Ra1 Qe4 24.f3 Qh4 25.g3 Qe7-/+) 23...Rc6 24.Be2 (24.Ra1 Rc5! 25.Ra4 Rc3 26.Ra7 Rc1 27.Kd2 Rfc8 28.Rb7 R8c2 29.Kd3 Rf2-+) 24...Rfc8 25.0-0 Rc5 26.Qc5 Rc5 27.Rc5 Ba6 28.Ba6 Qa6 29.h3 Qb6 30.Rcc1 a5 (30...Kg7 31.Ra1-/+) 31.Rb1 Qc5 (31...Qd8 32.Ra1-/+) 32.Rfc1=+ Qa7 33.Ra1 a4 34.Ra3 d4 35.ed4 Qd4 36.Rca1 Kg7 37.Ra4 Qd2 38.R4a2 Qf4 39.Re1 f6 (39...Qd4 40.Rea1=+) 40.Ra3 (better 40.Re6!? Qc1 41.Kh2+=) 40...e5 41.Rf3 (41.Ra7 Kh6=) 41...Qd4 42.g4 h5 43.Rg3 h4 44.Rf3 g5 45.Rfe3 Kg6 46.Kg2 Qd5 47.Re4 f5 (47...Kf7 48.Kg1-/+) 48.gf5=+ Kf5 49.f3 Qd2 50.R1e2 Qc3 51.Kf2 Qc5 52.Kg2 Qc3 53.R4e3 (53.Kf2 Kf6=) 53...Qd4 54.Re4 Qc5 55.Kh2 Qd6 56.Kg2 Kf6 57.Rf2 Kf5 58.Rg4 (58.Rfe2!?=) 58...Qd5=+ 59.Re2 Qd3 60.Rge4 Qc3 61.R4e3 (61.Kf2 Ke6=) 61...Qd4 62.Kf2 (62.Re4!? Qa1 63.Kf2=+) 62...Kf4 63.Kg2?? (better 63.Re1-/+) 63...Qe3-+ 64.Re3 (64.Rf2 Qe1 65.Rb2 Qg3 66.Kf1 Qh3 67.Kg1 e4-+) 64...Ke3 65.Kg1 Kf3 66.Kh2 e4 (66...Kf2 67.Kh1 e4 68.Kh2 e3 69.Kh1 Kg3 70.Kg1 e2 71.Kh1 e1Q) 67.Kh1 (67.Kg1 Ke2 68.Kg2 e3 69.Kg1 g4 70.Kh1 Kf2 71.hg4 Kg3 72.Kg1 e2 73.g5 e1Q) 67...Kf2 68.Kh2 e3 69.Kh1 e2 (69...Kg3 70.Kg1 e2 71.Kh1 e1Q) 70.Kh2 g4! 71.hg4 (71.hg4 e1Q Mate attack) 71...e1Q 72.g5 Qg1 73.Kh3 Qg3 0-1. zembelek (2075) - moj1990 (1990), Rated Blitz game, 2014.

7.cd5 0-0 8.de6+– fe6 9.Bc4 Nd5 10.Qc2 Nb4 11.Qc3 (better 11.Be6 Kh8 12.Qc4+–) 11...Rf7? (better 11...Qe7 12.Be6 Kh8+–) 12.Be6+– Bf3 (12...Qf6 13.Qf6 gf6+–) 13.Qg7 1–0. GuestRHGZ – GuestPYZB, freechess.org, 2019.

7.cd5 ed5!? 8.Nc3 0-0=.

7.cd5 ed5 8.Nd4 0-0=.

7.cd5 ed5 8.Nd4 Bc8 =.

7.cd5 ed5 8.Be2 0-0 9.0-0 Nbd7 (9...a6 10.Nc3=) 10.Qc2 Nc5 (10...a6 11.Ba3=) 11.Nd4 Re8 (11...a6 12.a4=) 12.Nc3 (12.Nf5 a6=) 12...Nfe4 (12...a6 13.Nf5=) 13.Nf5+= Bf8 14.d3 (14.Rfc1 Bc8 15.Nd4 a6=) 14...Nc3 15.Qc3 Qg5 16.Nd4 Bd6 17.a4 Qh6 18.g3 Bc8 (18...Be5 19.Qc2=) 19.Nb3 White prepares the advance a5 (19.Bf3 Qg5+=) 19...Bh3 (19...Be5 20.d4 Ne4 21.Qc2=) 20.Rfe1 (20.Rfc1 Rad8 21.Nc5 bc5=) 20...Be5 21.Nd4 (21.Qc2 Nb3 22.Qb3 Bb2 23.Qb2 c5=) 21...Rad8 (21...a6 22.Bf3 Be6 23.Qc2=) 22.Qc2 Rd7 (22...Bd7 23.f4 Bd4 24.Bd4=) 23.a5+= Bd4 (23...Qg6 24.Reb1+=) 24.Bd4 Ne6 25.Bb2 d4 (25...Qg6+=) 26.e4 (26.Bf3!? de3 27.Re3+–) 26...Qg5= 27.Qc6 Nf4? (better 27...Nd8!? 28.Qc4 Qf6=) 28.Bf1+– Qg4 (0–1). Boyd,Frank – Marcussi,Bartolome Jorge, Volmac–A corr8286, 1982. (=1.Nf3 Nf6 2.c4 b6 3.b4 Bb7 4.Bb2 e6 5.b5 d5 6.e3 Bd6 7.cd5 ed5)

7.cd5 Bd5 8.Nc3 Bb7 9.Bc4 0-0 10.0-0 c6 11.a4 Qc7 12.g3 (12.bc6 Nc6 13.Nb5 Qd7+=) 12...c5 13.d3 (13.Nh4 a5=) 13...Nbd7 14.Qe2 Ne5 (14...Bf3!? 15.Qf3 Ne5=) 15.Ne5+= Be5 16.f4 Bc3 (16...Bd6 17.e4 e5 18.Nd1+=) 17.Bc3 Nd5 (17...a6 18.e4+=) 18.Be5+– Qd7 19.e4 White prepares the advance f5 19...Ne7 (19...Rfe8 20.Rfd1+– (20.ed5?! ed5 21.Bb3 f6=)) 20.Qb2 (20.a5 Kh8+–) 20...f6+– 21.Bc3 Ng6?? (better 21...Kh8+–) 22.f5+– Ne5 (22...Bd5 23.ed5 ed5+–) 23.Be6 Qe6 (23...Rf7 24.Bd7 Nd7 25.a5+–) 24.fe6 Nd3 (24...Ng6 25.Qa2 Ne7 26.a5+–) 25.Qa2 (better 25.Qb3 Rae8 26.e5+–) 25...Rfe8 26.e7 Kh8 27.Rf6 Re7 28.Raf1 Ree8 (28...gf6 29.Bf6 Rg7 30.Bg7 Kg7 31.Rf7 Kg8 32.Rb7 c4 33.Qc4 Kh8 34.Qf7 Rc8 35.Qh7) 29.Qf7 (29.Qf7 Bd5 30.ed5 Nf2 31.R6f2 Rg8 32.Qg7 Rg7 33.Rf8 Rf8 34.Rf8) 1–0. DEFFM – GuestSRVFt, freechess.org, 2019.

7.Be2 dc4 8.Bc4 a6 9.0-0 +=.

7.Be2 Nbd7 8.0-0 0-0 9.a4 e5 10.d3 dc4 11.dc4 e4 12.Nfd2 Ne5 13.Nc3 Qe7 14.f3 (better is 14.a5 ba5 15.Nb3=) 14...ef3–/+ 15.Nf3 Nf3 16.Bf3 Qe3 17.Kh1 Bf3 (17...Qh6!? 18.g3 Bg3–/+) 18.Rf3 Qh6 19.Nd5?? (19.Rh3 Qg6=+) 19...Ng4 (19...Qh2) 20.Qf1?? (better is 20.h3 Ne5 21.Be5 Be5 22.Ne7 Kh8 23.Ra2=+) 20…Qh2# 0–1. stoker – rayban2, Live Game Caissa's Web, 2004.

7.Be2 Nbd7 8.d4 0-0 9.0-0 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Qa8 13.Nbd2 Qa2 14.Bd3 Ra8 15.Ne5 Be5 16.de5 Ne4 17.Ne4 de4 18.Be2 Nc5 19.Bc3 h6 20.Re1 Qb3 21.Qb3 Nb3 22.Rd1 Ra2 23.Bf1 Rc2 (23...Nc5!?+/-) 24.Bb4 c5 25.bc6! Bc6 26.Rd6 Ba4 27.Rb6 Nd2 (27...Nc1 28.Rd6+/-) 28.Bd2 Rd2 29.g3 Rd1 30.Kg2 Bc2 31.c5 Rc1 32.Ba6 Bd1 33.Rb8 Kh7 34.Kh3 Rc5 35.Rb5 Rc2 36.Bb7 Bf3 37.Rb4 Rf2 38.Be4 Be4 39.Re4 Kg6 40.g4 Kg5 41.Kg3 Rf1 42.h4 Kg6 43.Rf4 (43.Rf4 Rg1 44.Kf3=+) 1-0. onur604 (2320) - essam100 (2245), Casual Rapid game, lichess.org, 2021.

8.Nc3 Bb4 9.Qc2 dc4 10.Bc4 Bf3 11.gf3 Nd5 12.Ke2 Re8 (12...Bc3 13.Bc3 a6 14.a4=) 13.Bd3 g6 14.f4 Qh4 15.Be4 Bc3 16.Bc3 Nd7 17.Rag1 (17.a4 a6=) 17...N7f6 (17...a6 18.ba6 Ra6 19.Bd2+=) 18.Bf3 (18.Bd3!?=) 18...a6+= 19.a4 (19.ba6!? Ra6 20.Ra1+=) 19...ab5–/+ 20.ab5 Nc3 21.Qc3 Ra2 22.Kd3 Nd5 (22...Qf2?! 23.Rf1 Qh4 24.Qb3 Rh2 25.Qc2 Rc2 26.Rh4–/+; 22...Rf2 23.Qe1 Nd5 24.Rg3 Qg3 25.hg3 Rf3 26.g4–/+) 23.Bd5 ed5 24.Rc1?? (24.Ra1 Qf2 25.Rhe1–+) 24...Qf2 25.Rhe1 Qf3 (better is 25...Rea8 26.Ra1 R8a3 27.Ra2 Rc3 28.Kc3 Qa2–+) 26.Qc7?? (better is 26.Rc2 Qe4 27.Kd2–+) 26...Qe4 27.Kc3 Ra3 (27...Qg2 28.Re2 Qe2 29.Qf7 Kf7 30.Rc2 Qc2 31.Kb4 Qc4) 28.Kb2–+ Re3 (better is 28...Rea8 29.Rc3 Ra2 30.Kb3 R8a3 31.Kb4 Rc3 32.Qb8 Kg7 33.Qe5 Qe5 34.de5 Rc4 35.Kb3–+) 29.Re3 Qe3 30.Qb6 (30.Qc3 Qe2 31.Rc2 Qb5 32.Qb3 Qa5–+) 30...Qf4 (better is 30...Qd2 31.Rc2 Qb4 32.Ka2 Ra8 33.Qa6 Ra6 34.ba6 Qd4–+) 31.Qc5 Qh2 32.Kb3 (32.Rc2 Qh1–+) 32...Qh3 33.Kb4 Ra8 34.Rc3 Qg2 35.b6 (35.Ra3 Qb2 36.Rb3 Qd2 37.Qc3 Qe2–+) 35...Qb2 (better is 35...Qa2 36.Rf3 Ra4 37.Kb5 Ra5 38.Kc6 Rc5 39.dc5 d4–+) 36.Rb3 Qd2 37.Qc3 Qe2 38.Ra3 Ra3 39.Qa3 Qc4 40.Ka5 Qc8?? 41.Qc5 Qa8 42.Kb5 h5 43.Qc6 Qa2 44.Qc8 Kg7 45.b7 Qb3 46.Kc6 Qc4?? 47.Kd6 Qd4 48.b8Q Qf4 49.Kd5 Qf3 50.Kc5 Qc3 51.Kb6 Qb3 52.Ka7 Qa4 53.Kb7 Qb5 54.Ka8 Qa5 55.Qa7 Qd5 56.Qab7 Qa5 57.Qa6 Qd5 58.Qcb7 Qd8 59.Ka7 Qd4 60.Qab6 Qa4 61.Kb8 Qe8 62.Qc8 Qe5 63.Qcc7 Qe8 64.Qd8 Qe5 65.Kc8 Qf5 66.Qd7 Qc2 67.Qbc6 Qb3 68.Qd4 Kh7 69.Qdd7 Kg7 70.Qcc7 Qa2 71.Qd4 Kh7 72.Qda7 Qe6 73.Kd8 Kg7 74.Qe7 Qd5 75.Ke8 Qb5 76.Qed7 Qe5 77.Qe7 Qb5= 78.Qed7 Qe5 ½–½. Vitali,Roberto – Zoppitelli,Mauro, Assisi op–B 4th, 2008.

8.Nbd2 a6 9.a4 +=.

8.Nbd2 c5 9.Rc1 Nbd7 10.Bd3 cd4 11.ed4 Ne4 12.0-0 Qf6 13.Qc2 Nd2 14.Nd2 Qh6 Threatening mate: Qxh2 15.h3 White prepares the advance c5 15...Bf4 16.c5 (better is 16.Rcd1!? a6 17.c5 bc5 18.dc5 Nc5 19.Qc5 Bd2 20.Qb6=) 16...bc5–/+ 17.dc5 Nc5 18.Qc5 Deflection from d2 18...Bd2 19.Qe7 Rab8 (worse is 19...Bc1 20.Bc1 Qf6 21.Qb7+=) 20.Rc7 Bg5 21.Qa3 Bf4 22.Bc1 a6 23.ba6 The passed pawn on a6 quickly leads to threats 23...Ba8 24.Bf4 Qf4 25.Rfc1 d4 26.a7 Qg5 Threatening mate... how? 27.Bf1 Rbd8 28.R1c5 Qg6 29.Qd3 Be4 30.Qd2 d3 (30...f6 31.Kh2+=) 31.Rb5 (31.f3 Ba8=) 31...Qf6 (31...Rfe8 32.f3 Bf5 33.Rbb7=) 32.Rc4= Bd5 33.Rcb4 Qe7 34.Ra5 (worse is 34.Qd3 Bc6 35.a8Q Ra8–/+ (35...Ba8?! 36.Qb1=)) 34...Rd7 35.Bd3 Ra7 36.Ra7 Qa7 37.Qc2 Qa2 38.Bh7 Kh8 ½–½. Nebe,Lutz – Roggensack Hanspach,Peter, corr SOK–89–40, 1989.

8.Nbd2 c5 9.dc5 Bc5 10.Bd3 Re8 (10...dc4 11.Bc4 a6 12.0-0=) 11.0-0 Nbd7 (11...a6 12.Bf6 Qf6 13.cd5 Bd5 14.Ne4=) 12.Ne5 (12.cd5 Nd5 13.Qb1 N7f6+=) 12...Ne5= 13.Be5 Nd7 (13...dc4 14.Bc4 (worse is 14.Nc4 Qd5 15.f3 Be3 16.Kh1 Ng4–/+) 14...Nd7 15.Bg3=) 14.Bb2 e5 (14...dc4 15.Bc4 Qh4 16.Qe2=) 15.cd5 (15.Nb3 Nf6=) 15...Bd5 16.Bc4 (16.Nb3 e4 17.Be2 Ne5=) 16...Nf6 (16...Bc4 17.Nc4 a6 18.Qa4=) 17.Bd5 (17.Qe2 Qd7=) 17...Qd5 18.Qe2 (18.Nf3 Qe4=) 18...Rac8 19.Rfd1 Qe6 20.Nb3 (20.Nc4 e4=) 20...Bb4 (20...Bd6 21.e4+=) 21.Rac1 h6 (21...Rc1 22.Rc1 Rd8 23.Rc7+=) 22.Qf3 (22.Rc8 Rc8 23.e4 Qg4 24.Qg4 Ng4=) 22...Rc4 (22...Rc1 23.Rc1 (worse is 23.Bc1 Qc4–/+) 23...e4 24.Qe2=) 23.Rc4 (23.a3!?=) 23...Qc4+= 24.Rc1 (24.Qc6 Qe2 25.Rb1 Kh7+=) 24...Qb5–/+ 25.Qf5 (25.e4 Bc5–/+) 25...Bd6 26.Qc2 Qa6 27.h3 (27.Rd1 Re6–/+) 27...Ba3 (27...Qa4 28.Rd1 Bf8 29.Qb1–/+) 28.Ba3 Qa3 29.Rd1 Qa4 (29...Qa4 30.Rd6 b5–/+). Jaegerflod,Kent – Franzen,Thomas, corr SSKK M–2, 1984.

8.Nbd2 c5 9.cd5 Nd5 10.dc5 Bc5 =.

8.Nbd2 c5 9.Bd3 a6 =.

8.cd5 Nd5 9.e4 Nf6 =.

8.0-0 a6 9.d3 +=.

8.0-0 dc4 9.Bc4 c6 10.a4 cb5 11.ab5 Nbd7 12.Nc3 Nc5 13.d4= Nce4 14.Ne4 Be4 15.Nd2 Bb7 16.Qc2 Qc7= 17.Rac1 Bh2–/+ 18.Kh1 Bd6 19.Nf3 Rfc8 20.Qb1 Qd7 21.Bd3 Bd5 22.Ne5 Be5 23.de5=+ Ne4?? 24.Be4+/– Be4 25.Qe4 Qb5 26.Ba3 Qd5 27.Qd4 Rd8 28.Bd6 Qb5 29.Qg4 Qc6?? 30.Be7 Qe8 31.Bf6 g6 32.Bd8 Rd8 33.Rc7 Rd7 34.Rfc1 Rc7 35.Rc7 Qd8 (35...Qd8 36.Ra7 Qb8+–). stoker – Simson10, Live Game Caissa's Web, 2004.

8.0-0 Nbd7 9.d4 a6 10.a4 Re8 11.Nbd2 e5 12.de5 Ne5 13.Qb3 (13.Ne5 Be5 14.Be5 Re5=) 13...dc4+= 14.Nc4 Bd5 (14...Nf3!? 15.gf3 Nd7 16.Nd6 cd6=) 15.Nfe5= Be5 16.Be5 Re5 17.Qc3 Rg5 18.f3 Qe7 19.Nd2 Bb7 20.e4 (20.Bc4 Rc5 21.e4 c6 22.ba6 Ba6= (22...Ra6? 23.Nb3+–)) 20...Nd5+= 21.ed5 Qe2 22.Rf2 Qe5 23.Rc1 ab5 24.Qe5 Re5 25.Rc7 Bd5 26.ab5 Kf8 27.Nc4? (27.Ne4!? Be4 28.fe4 Ra1 29.Rf1 Rf1 30.Kf1 Rb5 31.Ke2–/+) 27...Bc4 (27...Re7 28.Re7 Ra1 29.Rf1 Rf1 30.Kf1 Bc4 31.Re2 Bb5–+ (31...Be2?! 32.Ke2 Ke7 33.Ke3=)) 28.Rc4–/+ Rb5 29.Re2 Rb1 30.Kf2 b5 (30...Rba1 31.Rc6 R1a6 32.Rb2–/+) 31.Rc7+= Re8 32.Rd2 Rbe1 33.Rb7 ½–½. Zschalich,Arndt (1745) – Wicklund Hansen,Richard (2025), Wch Seniors, 2004.

8.0-0 Nbd7 9.d4 Ne4 10.Nc3 f5 (10...Nc3 11.Bc3 dc4 12.Bc4=) 11.cd5 ed5 12.Qb3 Ndf6 13.Ba3 Kh8 (13...a6 14.Bd6 Qd6 15.Rfc1=) 14.Bd6 Qd6 15.a4 (15.Rac1 Ng4 16.Rc2 f4 17.ef4 Rf4=) 15...g5 (15...a6 16.Rac1=) 16.Qa3 (16.Ne4 Ne4 17.Qb2 f4+–) 16...Nc3 (16...Qa3 17.Ra3 a6 18.Ne5+=) 17.Qc3+– Ne4 18.Qa3 (18.Qb2 f4+–) 18...Qe6 (18...Qa3!? 19.Ra3 a6+=) 19.Ne5+– c5 (19...Rfc8!?+–) 20.bc6!+– Bc6 21.Qb2 (21.Rfc1 Bb7+–) 21...Rfc8 22.Rfc1 Be8 23.Ba6 Rc1 24.Qc1 Qd6 25.a5 b5 (better 25...Bg6!?+–) 26.Bb5!+– Kg7 (26...Bb5 27.Nf7 Double attack) 27.Rb1 Nf6 (27...Kg8 28.Be8 Re8 29.Rb7+–) 28.Be8 Re8 29.Rb7 Re7 30.Qc8 f4 31.ef4 gf4 32.a6 Ne8 (32...f3+–) 33.Qe8 Rb7 34.ab7 Qb4 35.Qf7 Kh6 (35...Kh8 36.h3 Qe1 37.Kh2 Qb4 38.Nc6 Qd6 39.b8Q Qb8 40.Qf6 Kg8 41.Ne7) 36.Qf6 Kh5 37.Qf5 Kh6 38.Qf4 (38.Ng4 Kg7 39.Qf6 Kg8 40.Nh6) 38...Kg7+– 39.Qg5 Kf8 40.b8Q! (40.b8Q Qb8 41.Nd7 Ke8 42.Nb8 Kf7 43.Nc6 Ke6 44.Qe7 Kf5 45.Qf7 Kg4 46.Ne5 Kg5 47.f4 Kh6 48.Ng4) 1–0. Sanz Toledano,Alfonso (1815) – Galan Aguado,Fernando (1615), 34th Torneo Abierto Collado Villalba To, 2017.

8.0-0 Nbd7 9.d4 Ne4 10.Nbd2 f5 11.Ne1 (11.Ne5 a6=) 11...Qg5 12.f4 Qh6 13.Nef3 Ndf6 14.Ne5 g5 (14...a6 15.Rf3 Ng4 16.Nf1=+) 15.Ne4+= Ne4 16.cd5 Bd5 17.Bf3 (17.Bd3 Rfc8=) 17...gf4 18.Be4 Be4 (18...fe4 19.Qg4 Qg7 20.Rf4=+) 19.ef4 Be5 20.de5 (20.fe5 a6 21.a4 ab5=) 20...Rf7 (20...Rfd8 21.Qe1=) 21.Rf2 Rg7 22.Qd2 (better 22.Qf1!?=) 22...Kh8=+ 23.Re1 Rag8 24.Ree2 (24.Re4 fe4 25.Qd4 Qh5-/+) 24...Qh3 25.Kh1 (25.Bd4 Bf3-/+) 25...Bf3! 26.Rf3 (26.Rf3 Qf3; 26.gf3 Rg1 Mate attack) 26...Qf3!-+ 27.Bd4 (27.gf3 Rg1 Mate attack) 27...Qd5 (27...Qf1 28.Bg1-+) 28.a4 (28.Qb2 Rg4 29.Bg1 Rf4-+) 28...Rd8 (28...Qc4 29.Be3 Qa4 30.Qd3-+) 29.Qe3?? (29.Bc3-+) 29…Qd4 (29...Qd4 30.Qd4 Rd4-+) 0-1. Diadoco (2215) - kovacic (2340), ChessWorld.net, 2017.

8.0-0 Nbd7 9.cd5 Bd5 10.Nc3 Bb7 11.d4 (11.Qc2 a6+=) 11...c5 (11...a6 12.a4=) 12.bc6+= Bc6 13.Ba6 (13.Nb5 Qe7+=) 13...Re8 (13...Qe7 14.Nb5+=) 14.Rc1+/– Nb8 (14...Qb8 15.Nb5 Bd5 16.Nd6 Qd6 17.Qa4 Bf3 18.gf3+/–) 15.Bd3 a6 (15...Bb7 16.Nb5+/–) 16.e4 e5? (better is 16...Bf4 17.Rc2 Bh6+/–) 17.de5+– Be5 (17...Re5 18.Be2 Qd7 19.Ne5 Be5 20.Nd5 Bd5 21.Be5+–) 18.Ne5 Re5 19.Nd5 Re8 (19...Rg5 20.Nf6 gf6+–) 20.Nf6 gf6 21.Qg4 Kh8 22.Qh4 (22.Qh4 Nd7 23.Rc6+–) 1–0. Bendig,Frank – Lowry,Paul, corr casual, 2001.

8.0-0 Re8 9.d3 (9.cd5 ed5 10.Qc2 c5=) 9...Qe7 (9...a6 10.Nc3=) 10.Nbd2 (10.Nc3 a6=) 10...Nbd7 (10...a6 11.cd5 ed5 12.a4=) 11.a4 (11.cd5 Nd5 (11...Bd5? 12.e4+–) 12.e4 Nf4=) 11...a6 12.Qb3 (12.cd5 Nd5 (12...Bd5? 13.e4+–) 13.Ne4 e5=) 12...Nc5 (12...e5 13.cd5 Nc5 14.Qc2 Nd5 15.Rfd1=) 13.Qc3 (13.Qc2 e5=) 13...e5 (13...ab5 14.ab5 Na4 15.Qc2 Nb2 16.Qb2=) 14.Ne5 (14.d4 ed4 15.Qd4 Red8=) 14...ab5 Black begins to deal mighty blows (14...Qe5?! 15.Qe5 Be5 16.d4+=; 14...Be5 15.Qe5 Qe5 16.Be5 Re5 17.d4+=) 15.ab5 Na4 (worse is 15...Qe5 16.Qe5 Be5 17.d4+=) 16.Ra4 Ra4 17.Ng4 Rea8 18.Ra1? (better is 18.Nf6 gf6 19.Bd1= (19.Qf6? Qf6 20.Bf6 Ra2–+)) 18...Ra1–+ 19.Ba1 Bb4 20.Nf6 gf6 (20...gf6 21.Qf6 Qf6 22.Bf6 Ra2–+; 20...Qf6?! 21.Qf6 gf6 22.Nb3–/+) 0–1. Cornacchini,Gabriele – Berch,Neil, RL–2007–0-00089, 2007.

7.a4 a5 8.Be2 Bd6 9.d4 0-0 10.Nbd2 h6 (10...Rc8 11.0-0=) 11.Rc1+= Ne4 12.0-0 f5 13.Qb3 (13.cd5 ed5 14.Ne5 Bb4 15.Ne4 fe4+=) 13...Kh8 (13...Rc8 14.cd5 Nd2 15.Nd2 Bd5 16.Bc4+=) 14.Rfd1 Bb4 (14...Qe7 15.Qc2+=) 15.Ne4 (15.Qc2 Rc8+=) 15...fe4= 16.Ne5 Ne5 17.de5 Qg5 (17...Qh4!? 18.Rf1 Rac8+=) 18.cd5+/- ed5 (18...Bd5 19.Bc4 Qf5+/-) 19.Bd4 (better 19.Rc7 Rab8 20.e6+-) 19...Rac8 (better 19...Rf7=) 20.Kh1?? (better 20.Rf1=) 20...Rf2-+ 21.Bf1 Rcf8 22.e6? (22.Kg1 c5 23.bc6 Ba6 24.Qb4 ab4 25.h4 Qg3 26.e6 Bf1 27.Bg7 Kg7 28.Rf1 Qg2) 22...Bc8 (22...c5 23.Bc3-+) 23.e7 (23.Kg1 Bd6 (worse 23...Be6 24.Rc7 Be7 25.Qb1-+) 24.e7 Qe7 25.Qd5 Qh4-+) 23...Qe7 (better 23...Be7 24.Kg1 Bg4-+) 24.Qb2?? (24.Qd5 Bg4 25.Bc4-+) 24...Bg4 (better 24...Rb2 25.Bb2 Bg4 26.Rd5-+) 25.Qf2 (25.Qa1-+) 25...Rf2 26.h3 Bh3! 27.gh3 (27.Kg1 Qh4 28.Rc7 Bg2 29.Bg7 Kg8 30.Bc4 dc4 31.Rd8 Qd8 32.Kf2 Qd2 33.Kg1 Bf3 34.Rc8 Kh7 35.Rh8 Kg7 36.Rg8 Kg8 37.Kf1 Qg2) 27...Qg5 (27...Qd6 28.Be5 Qe5 29.Bg2 Qg3 30.Rg1 Bd6 31.Rc7 Qh2) 28.Rc7 Bf8 (28...Qg3 29.Bg7 Kg8 30.Rc8 Kh7 31.Rh8 Kg7 32.Rg8 Kg8 33.Rd5 Rf1) 29.Bg7 (29.Rc8 Kg8 30.Be5 Qe5 31.Bg2-+) 29...Bg7 30.Rc8 Kh7 31.Rc7 Qg3 32.Rd5 (32.Rg7 Kg7 33.Rd5 Rf1) 32…Qh2 (32...Rf1) 0-1. zembelek (2055) - purt (2050), Rated Blitz game, lichess.org, 2014.

7.a4 a6 8.cd5 Nd5 9.Nc3=.

7.a4 dc4 8.Bc4 Bc5 (8...Bd6 9.d3=) 9.0-0 0-0 (9...a6 10.d3=) 10.Qb3 (10.d4 Bb4=) 10...Nd5 (10...a6!?=) 11.d4+= Be7 12.Nbd2 Bf6 (12...c5 13.Rad1+=) 13.Rac1 (13.e4 Nf4+/-) 13...Rc8 (13...c5 14.bc6 Bc6 15.e4+/-) 14.Bd3 (14.e4 Nf4+/-) 14...Ne7 (14...c5 15.bc6 Bc6 16.Rc4+=) 15.g3 (15.Ne4 Ng6+/-) 15...Ng6 (15...c5 16.bc6 Bc6 17.Ba3=) 16.e4 (16.Be4 Be4 17.Ne4 a6+=) 16...c5 17.bc6 Bc6 18.Rfe1 (18.Rc4 Bb7+=) 18...Bb7 (better 18...Nc5 19.dc5 Bb2 20.Qb2 Qd3 21.cb6 ab6=) 19.d5?? (better 19.Nc4+=) 19...Nc5-/+ 20.Rc5 Rc5 21.Ba3?? (better 21.Bf6 Qf6 22.e5-/+) 21...ed5 (better 21...Rc3 22.Qa2 Rd3 23.Bf8 Nf8-+ (worse 23...Qf8 24.de6 Bc3 25.Rc1-+)) 22.Bc5+- bc5 (22...Re8 23.Bb4 Ne5 24.Ne5 Be5+-) 23.ed5?? (better 23.Qb7 c4 24.e5 Ne5 25.Ne5 (25.Re5?! Be5 26.Ne5 cd3+/-) 25...cd3 26.Nd7+-) 23...Bd5-/+ 24.Bc4 Bc4 25.Qc4 Ne5 (better 25...Qd7-/+) 26.Qc5? (26.Ne5 Qd2 27.Re4 Qd8=) 26...Nf3?? (better 26...Nd3 27.Qe3 Ne1 28.Qe1 Bc3-+) 27.Nf3= Qd3 28.Kg2 h6 (better 28...Qd7!? 29.Qb5 Qd6=) 29.Qa7+/- Bc3 (29...Rd8 30.a5+/-) 30.Re3 Qd2?? (better 30...Qc4+/-) 31.Qc5 (better 31.Nd2 Bd2 32.Rd3 Bg5+-) 31...Bf6 (31...Bb4 32.Qf8!! Kf8 33.Nd2 Bd2+-) 32.a5 (32.Nd2 Rd8+-) 32...Ra8?? (32...Qd8 33.Qf5+/-) 33.Ra3 (better 33.Nd2 Rd8 34.Qc6 Rd2 35.Re8 Kh7 36.Qe4 g6 37.Qf4+-) 33...Qe2 (33...Qd7 34.Qc4+/-) 34.Ra4 (34.Qc6 Ra6 35.Qb7 Qe6+-) 34...Ra6 35.Qc8 Kh7 36.Qf5 Kg8?? (36...g6 37.Qd5 Qe7 38.Rc4+/-) 37.h4 (better 37.Re4 Qe4 38.Qe4 Ra5 39.Qe8 Kh7 40.Qf7 h5+-) 37...Qb2?? (37...Qe8 38.Rc4 Ra8 39.g4+/-) 38.g4 (better 38.Qc8 Kh7 39.Qa6+-) 38...Qb3 (38...Qb7 39.Rc4 g6 40.Qc5+=) 39.Re4 (39.Qc8!? Kh7 40.Qa6 Qa4 41.Kg3+-) 39...Qb7?? (better 39...Ra8+/-) 40.Re8 1-0. zembelek (1990) - batanmiranovic (1915), Rated Blitz game, lichess.org, 2014.

7.Nc3 dc4 8.Bc4 Be7 9.Be2 c5 10.Qc2 0-0 11.0-0 Qc7 12.Rfd1 Rfd8 13.Rac1 Rac8 14.d3 Nd5 15.a3 Bf6 16.Ne4 Bb2 17.Qb2 N7f6 (17...a5 18.ba6 Ba6 19.Nfg5=) 18.Nf6 Nf6 19.Rc4 Qe7 20.Ne5 Nd7 21.f4 (21.Nd7 Rd7 22.Qe5 a6 23.ba6 Ba6=) 21...Qf6 22.d4 (22.Rc2 Ne5 23.Qe5 Qh4=) 22...Bd5 (22...Ne5 23.de5 Qg6 24.Rd8 Rd8 25.Bf1=+) 23.Rc2 Ne5 24.fe5? (24.de5 Qg6 25.Bf1 Qe4=) 24...Qg6 (better 24...Qg5 25.Bf1 Qe3 26.Kh1 cd4 27.Rc8 Rc8 28.Qd4 Qa3–+) 25.Bd3 Qg5 26.Re2?? (better 26.Re1=) 26...Bf3–+ 27.Rde1 (better 27.Qd2–+) 27...Be2 28.Re2 (28.Qe2 cd4 29.ed4–+) 28...cd4 29.Re1 (29.Qb1 h6–+) 29...Qe5 30.e4 (30.a4 Rc3 31.Qb1 h6–+) 30…Rc3 (30...Rc3 31.Qe2 Ra3–+) 0–1. Deilitz,Manfred – Radloff,Arno (1740), Ueckermuende op 6th, 2007.

7.Nc3 dc4 8.Bc4 Be7 9.Be2 Nc5 10.Ne5 0-0 (worse 10...Bg2 11.Rg1 Bb7 12.Rg7+=) 11.d4 Ncd7 (11...Bg2? 12.Rg1 Bb7 13.dc5 Bc5 14.Bf3 Qd1 15.Rd1 Bf3 16.Nf3+-) 12.Nc6 Bc6 13.bc6 Nb8 14.Qa4 a6 15.0-0 Nd5 16.a3 h6 (16...Nc3 17.Bc3 Qe8 18.d5+=) 17.Qc2 b5 18.Rfd1 b4 19.Nd5 Qd5 (19...ed5 20.Bf3 ba3 21.Ba3 Ba3 22.Ra3+/-) 20.Bf3+/- Qd8 (20...Qg5 21.ab4 Bb4 22.d5+/-) 21.ab4 Bb4 22.d5 ed5 23.Rd4 Bd6 24.Rg4 Do you see the mate threat? 24...g5 25.Qf5 (25.Bd5?! Bh2 26.Kh2 Qd5=) 25...Qe7 (25...Nc6 26.Bd5 Ne5 27.Be5 Be5 28.Qe5 Rb8+-) 26.Bd5 (26.Bd5 Qe5 27.Qg6 Kh8 28.Be5 Be5 29.Qh6 Kg8 30.Qg5 Kh7 31.Rh4) 1-0. Pereira - Guest355, internet, 2020.

7.Nc3 Be7 8.cd5 ed5 9.a4 0-0 10.Be2 Re8 11.0-0 Nc5 0–1. emmasdad – UncleBulgaria, ChessWorld.net, 2015.

7.Nc3 Be7 8.cd5 ed5 9.Be2 0-0 10.0-0 c5 11.bc6 Bc6 12.Nd4 Bb7 13.Nf5 Re8 14.Nb5 Nc5 15.Ne7 Qe7 16.Bf6 gf6 17.Bg4 Kh8 18.d4 Ne4 19.Rc1 Rg8 20.Rc7 Qb4 21.Rf7 Qb5 22.Rb7 Nc3? (better is 22...Qc6 23.Re7 Rg5+–) 23.Qc2 Rg4 (23...Rg6 24.Bh5 Rh6 25.Qc3 Rh5+–) 24.Qh7# (24.Qc3?! Rg2 25.Kg2 Rg8 26.Kf3 Qf1+=) 1–0. BlackDemon (2645) – Mempawah (1785), FICS rated standard game, 2013.

7.d3 Bb4 8.Bc3 Bc3 9.Nc3 0-0 10.Be2 dc4 11.dc4 Ne4 12.Ne4 Be4 13.0-0 Qe7 14.a4 (14.Bd3 Bb7=+) 14...Rfd8 15.Qc1 Nc5 16.Qb2 Rd6 (16...a5 17.Nd2-/+) 17.a5=+ Rad8 18.Nd4 (18.ab6!? ab6 19.Rfd1=+) 18...e5-/+ 19.Nb3?? (better 19.Nf3 Bf3 20.Bf3-/+) 19...Qg5-+ 20.a6?? (20.g3 Rh6 21.Rfd1 Rd1 22.Rd1 Rh2 23.Rd8 (23.Kh2?? Qh6 24.Bh5 Qh5 25.Kg1 Qh1) 23...Qd8 24.Kh2-+) 20…Qg2 0-1. Bushwacker (1840) - focas (2070), ChessWorld.net, 2019.

7.d3 Bb4 8.Nbd2 dc4 9.dc4 Nc5 10.Bd4=+.

7.d3 Bb4 8.Nbd2 Bd2 9.Qd2= dc4. GuestTYYZ – GuestPJCD, freechess.org, 2017.

7.d4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Ne4 11.Nbd2 (11.Nc3 Ndf6=) 11...Ndf6 12.Be2 Bb4 (12...dc4 13.Bc4 (worse 13.Nc4 Bb4 14.Kf1 Ng4–+) 13...Nd2 14.Qd2=+) 13.0-0= 0-0 14.Ne4 Ne4 15.cd5 Qd5 16.Ne5 (16.Qc2 c6=) 16...Nd2=+ 17.Bf3 Nf3 18.Nf3? (18.Qf3 Bd6=+) 18...Qf5 (better 18...Qb5!? 19.Qc2 Bf3 20.gf3 Qg5 21.Kh1 Qd5–+) 19.Ne5 Bd6 20.f3 f6 21.e4 (21.g4 Qg5 22.f4 Qh4=+) 21...Qg5 (better 21...Qh5 22.Ng4 Qb5–/+) 22.Nc6? (better 22.f4 Qh6 23.Ng4=+) 22...Qb5–+ 23.d5 ed5 24.Qd5 Qd5 25.ed5 Bc6 26.dc6 Bc5 27.Kh1 Rd8 28.Bc3 Rd6 29.g3 Rc6 30.Rd1 Rd6 31.Re1 (31.Rc1 Be3 32.Re1 Rd3–+) 31...Kf7 (31...Rd3!? 32.Rc1–+) 32.Kg2 Rd3 (32...Rd3 33.Rc1 Ke6–+) 0–1. GuestMXJR – Guestihjk, freechess.org, 2017.

7.d4 a6 8.Nc3=.

7.d4 a6 8.cd5 Nd5 9.Nbd2=.

7.d4 dc4 8.Bc4 Bb4 9.Nc3 Ba5 10.0-0+= 0-0 11.Qe2 Ne4 12.Ne4 Be4 13.Ba3 Re8 14.Rac1 Qf6 15.Bd3 Bd3 16.Qd3 Rac8 17.Rc6 Nb8 18.Rc2 Rcd8 19.Rc7+– Rd7 20.Rfc1 Red8? 21.Ne5 Rc7 22.Rc7 g6 23.Be7 Qf5 24.Qf5 ef5 25.Bd8 (25.Bd8 Bb4 26.Bf6+–) 1–0. pierre – imadov1985, internet, 2008.

7.d4 dc4 8.Bc4 Bb4 9.Nc3 Ne4 10.Qb3 Qe7 11.0-0 Nc3 12.Bc3 Bc3 13.Qc3 Bf3 14.gf3 0-0 15.Kg2 Rac8 16.Bd3 g6 17.f4+= Nf6 18.Qc4 Nd5 19.Rg1 Qh4 20.h3 f5 21.Be2 Kg7 22.Bf3 Rfd8 23.Rac1 Kh6 24.Qa4 Rg8 25.Rc6 Rce8 26.Qc4+– Qe7 27.Bd5 ed5 28.Qd5 Qa3 29.Qf5 Qa2 30.Qg5 (30.Qg5 Kg7 31.Qf6 Kh6 32.Rc7 Re5 33.de5 Qd5 34.Kh2 Qd8 35.Qg5 Qg5 36.fg5 Kh5 37.Rh7#) 1–0. pierre – hijran, internet, 2009.

7.d4 c5 8.bc6 Bc6 9.cd5 (9.Ba3 Ba3 10.Na3 0-0=) 9...Nd5 10.Nbd2 Bb4 11.Bd3 N7f6 (11...0-0 12.Bh7 Kh8 13.Bd3+=) 12.Ne5 Bb7 13.Bb5 Ke7 14.0-0 Nc3 (14...Ne3 15.fe3 Qd5+–) 15.Qb3+= (15...Nb5 16.Qb4 Nd6 17.Rfc1+=). Bendig,Frank – Garcia, corr SOK–91–75, 1992.

7.d4 c5 8.Bd3 dc4 9.Bc4 cd4 10.Bd4 Rc8 =.

7.d4 c6 8.Nc3 cb5 (8...dc4 9.bc6 Bc6 10.Bc4=) 9.cd5 (9.cb5 a6=) 9...Nd5=+ 10.Bb5 Bb4 11.Rc1 0-0 (11...Rc8 12.Qb3 a6 13.Bd3=+) 12.0-0 N7f6 13.Ne2 (13.Bd3 Qe7=) 13...a6 (13...Bd6 14.Ne5=) 14.Bd3 b5 (14...Bd6 15.a3=) 15.Ng3 (15.e4 Nb6 16.Qb3 Bd6+–) 15...Bd6=+ 16.e4 (16.a3 Nb6=+) 16...Nf4 (better 16...Nb4!?–/+) 17.Bb1= Bc7 (17...Ng4 18.Qb3=) 18.d5 (18.Ne5 Rc8=) 18...ed5+= 19.Bf6 gf6 20.Nh4 (20.ed5!? Be5 21.Ne5 fe5 22.Nh5+=) 20...Kh8 (20...de4 21.Qg4 Kh8 22.Qf5=+) 21.Qc2 Be5 22.Rfd1 (22.ed5 Ng6=+) 22...d4 (22...Rc8!? 23.Qb3 Rc1 24.Rc1 de4–+) 23.Nhf5=+ Rc8 24.Qb3 (24.Qd2 Rc1 25.Rc1 d3=+) 24...Rc1 25.Rc1 d3 (25...Qd7!?=+) 26.Rd1= Qa8 (26...Ne2 27.Kf1=) 27.Bd3+= Nd3 (27...Bc8!?+=) 28.Qd3+– (worse 28.Rd3 Be4 29.Ne4 Qe4=+) 28...Bg3?? (better 28...Bc8+–) 29.Qg3+– (29.Ng3?! Qb8 30.Qd7 Kg7+–; 29.fg3?! Be4 30.Qd6 Bf5 31.Qf6 Kg8 32.Qf5 Qc6=) 29...Rg8 30.Qd6 Be4 (30...Rg6 31.Qb6 h6 32.Rd8 Kh7 33.Ra8 Be4+–) 31.Qf6 (31.Qf6 Rg7 32.Qg7) 1–0. Wall,Bill – Cheryl, internet, 2005.

7.d4 Bd6 8.Bd3 0-0 9.Nbd2 Ne4 (9...dc4 10.Nc4 Bb4 11.Ncd2=) 10.0-0 Re8 (10...Nd2 11.Nd2 a6 12.cd5 Bd5 13.e4=) 11.a4 (11.Qc2 Ndf6+=) 11...e5 (11...c5 12.Qc2 Nd2 13.Nd2= (13.Bh7? Kh8 14.Qd2 Kh7–+)) 12.Be4 (12.de5!? Ne5 13.Ne5 Be5 14.Be5 Re5 15.Nf3+=) 12...de4= 13.Ne5 Ne5 14.de5 Be5 15.Be5 Re5 16.Qe2 (16.a5 ba5 17.Nb3 Qg5+=) 16...Bc8 (16...Qd3 17.Qd3 ed3 18.Ra3=) 17.f3 Rh5 (better 17...Qd3!? 18.Qf2 Be6+=) 18.Ne4+– Rh6 19.Rfd1 Qh4 20.g3 Qe7 21.Nc3 Bb7 22.e4 f5 23.e5 (23.Nd5 Qc5 24.Qf2 Qf2 25.Kf2 fe4 26.fe4 Rh2 27.Ke3 Rc2+–) 23...f4 (23...Qc5 24.Kf1+–) 24.gf4 Rg6 25.Kh1 Rf8 26.Nd5 Qh4 (26...Bd5 27.cd5 Rf4 28.a5+–) 27.a5 c6 28.bc6 (28.ab6?! cd5 29.Ra7 A) 29...Rb6? A1) 30.cd5 Qf4 (30...Rf4?! 31.e6 Qh5 32.Ra3=) 31.Qe4 Rb5–/+; A2) 30.c5+–; B) 29...Rb8+–) 28...Bc6 29.ab6 (29.e6 Kh8+–) 29...ab6 30.Ra7 Bd5 31.cd5 (worse 31.Rd5 Qf4 32.Rad7 Qg5+=) 31...Qf4 32.d6 (better 32.Qe4 Qg5 33.f4+–) 32...Rd8?? (32...Re6 33.Rg1 g6 34.Rg4+–) 33.d7 (better 33.e6 Rh6 34.Ra3 Re6 35.Qe6 Qf7 36.Qf7 Kf7 37.Rb3+–) 33...Kf7 (33...Re6 34.Qe4 Qe4 35.fe4 Re5 36.Rb7+=) 34.Rc7 Ke7 35.Qe4 (35.Rd5+–) 35...Qg5 (35...Qe4!? 36.fe4 Rg4+=) 36.f4 (36.Rc2 Kf7+–) 36...Qg4+– 37.Qb4 Kf7 38.Qc4 Ke7 39.Qf1 b5 40.Rd3 Qf5 41.Rd4 h5? (better 41...Ra6 42.Qc1 Kf7+–) 42.Qb5+– h4 43.Qb4 Kf7 44.Qc4 Ke7 (44...Kf8+–) 45.Qc5 Kf7 46.Qd5 Ke7 (46...Qe6 47.f5 Qd5 48.Rd5+–) 47.Rc8! Rd7 (47...Rc8) 48.Qc5 Ke6 (48...Rdd6 49.ed6 Ke6 50.Qc4 Qd5 51.Qd5 Kd7 52.Qf7 Kc8 53.Qc7) 49.Re8 (49.Re8 Re7 50.Qe7) 1–0. Tabor,James – Young,Lee, CompuServe, 1994.

7.d4 Ne4 8.Bd3 Bb4 9.Nbd2 Nd2 10.Nd2 dc4 11.Bc4 Bg2 12.Rg1 Be4 13.a3 (13.Rg7 Bg6 14.d5 e5=) 13...Ba5 (13...Bd2 14.Qd2 Rg8 15.d5+=) 14.Rc1 (14.Rg7 Bg6 15.d5 e5=) 14...g6 15.d5 e5 16.Bc3 Bc3 17.Rc3 Nc5 18.Qg4? (better is 18.Ne4!? Ne4 19.Rc2+=) 18...Bd5–+ 19.Nb3 Bc4 20.Qc4 Nb3 21.Qc6 Kf8 22.Rb3 Kg7 23.Ke2 Re8 24.Rd1 Qh4 Black plans e4 25.Rbd3 Qh5 (25...Qh2? 26.Rh1 Qh1 27.Qh1+–) 26.Ke1 e4 27.Rd7 Qh2 28.Rf7 Kf7 29.Rd7 Attacks the backward pawn on c7 29...Kg8 30.Qd5 Kh8 31.Qf7 Qh1 32.Kd2 Qh6 33.Qf6 Kg8 34.Qf7 ½–½. Mittelstaedt,Joel – Adiyaman,Rene, GER–chT U12 Leipzig, 2008.

7.cd5 ed5 8.Nc3 Bd6 9.d4 a6 10.a4 0-0 11.Bd3 ab5 12.ab5 Qe7 13.0-0 Ra1 14.Ba1 Ne4 15.Qc2 Ra8 16.h3 Ndf6 17.Nd2 Nd2 18.Qd2 Ne4 19.Ne4 de4 20.Bc4 Qg5 21.Bc3 Ra4 22.Be2 Bd5 23.Ra1 Ra1 24.Ba1 f5 25.Bc3 (25.Qc3!?+=) 25...f4–/+ 26.Bf1 h5 27.Qe1 h4 28.Bd2 f3 29.Kh1 fg2 30.Bg2 Qe7 31.Kg1 Kh7 32.Bc3 Kh6 33.Qd2 Qd7 34.Qe2 Qf5 35.Qg4? The isolani on e4 becomes a target (better is 35.Qe1+=) 35...Qg4–+ 36.hg4 Kg5 37.Bh3 Bc4 38.f4?? (better is 38.Bg2 Bd3 39.f3–+) 38...ef3 39.Kf2 Bd5 40.Bd2 (40.e4 Be4 41.Bd2 Kg6 42.Bf1–+) 40...Bg3 41.Kf1 Bc4 0–1. cristero (2460) – pierred (2850), net–chess.com, 2015.

7.cd5 ed5 8.Nd4 Bc5 9.Nc6 Bc6 10.bc6 Nf8 11.Ba6 Qd6 12.0-0 (12.Bb7!? Rd8 13.Nc3+=) 12...Qc6= 13.Nc3 Ne6?? (better 13...Qd7=) 14.Bb5+- Qb5 15.Nb5 Bd6 1-0. DEFFM – GuestDFYG, freechess.org, 2021.

7.cd5 ed5 8.Nd4 Be7 9.Nc6 Bc6 10.bc6 Nb8 11.Qa4 Qd6 12.Ba3 Qc6?? 13.Bb5+– (13.Bb5 Qb5 14.Qb5 c6 15.Qb3+–).

7.Be2 Bb4 8.0-0 0-0 9.d4 dc4 10.Bc4 h6 11.Nbd2 c6 12.a4 cb5 13.ab5 Qc7 14.Qb3 Bd6 15.Rac1 Qb8 16.h3 a6 17.ba6 Ba6 18.Be6 fe6 19.Qe6 Kh8 20.Ne5 Be5–+ 21.de5 Re8 22.Qf7 Ne5 23.Be5 Qe5 24.Nf3 Qe7 25.Qb3? Bf1 26.Rf1 Rab8 27.Nh4 Qe4 28.g3 b5 29.Rd1 Rbd8 30.Rf1 g5 31.Qf7 gh4 32.Qf6 Kh7 33.Qf7= Kh8 34.Qf6 Kg8 35.Qh6 Qh7 36.Qg5 Qg7 37.Qh4 Re5?? 38.Qd8+– Kh7 39.Rb1 Re3 40.Qh4 Kg8 41.fe3 (41.fe3 Qe5 42.Qd8 Kh7 43.Qd3 Kg7 44.Kg2+–) 1–0. florenc1330 (1915) – hanssklos (1815), kurnik, 2011.

7.Be2 Bb4 8.Qc2 0-0 9.a3 (9.Nd4 dc4 10.Nc6 Bc6 11.bc6 Nb8 12.Qc4 a5+=) 9...Bc5 (9...Bd6 10.cd5 Nd5 11.Nc3=) 10.Ng5 (10.cd5 Nd5 11.Nc3 N5f6=) 10...h6 (better is 10...dc4 11.Bc4 a6=+ (< 11...Bg2 12.Rg1 Bb7 13.Nh7=)) 11.h4? (11.Nf3!?=+) 11...dc4 (11...hg5 12.hg5 Ne4 13.cd5 ed5 14.d3 Ng5 15.f4–+) 12.Bc4 Bd5 (better is 12...Bd6!?–/+) 13.Bd5= ed5 14.a4? (14.Nf3 a6 15.a4 ab5 16.ab5 Qe7=) 14...Re8 15.f4 d4–/+ 16.Kf2?? de3–+ 17.de3 Be3 18.Kf1 Bf4 19.Nf3 Be5 20.Be5 Ne5 21.Nbd2 Nf3 22.Nf3 Qe7 23.Re1 Qc5 24.Re8 Re8 (25.Qc5 bc5–+) 0–1. kiki2 – Zarkon2, Live Game Caissa's Web, 2005.

7.Be2 Bb4 8.Qc2 a6 9.a3 Bd6 10.cd5 Bd5 11.Nc3 =.

7.Be2 c6 8.a4 Bd6 9.0-0 0-0 10.bc6 Bc6 11.cd5 Bd5 12.Nc3 Bb7 13.Nb5 Be7 14.d4 a6 15.Nc3 Rc8 16.h3 Bb4 17.Qb3 a5 18.Nb5 Bd5 19.Qd1 Bc4 20.Ba3 Ba3 21.Na3 Bd5 22.Nb5 Ne4 23.Bd3 Nc3 24.Nc3 Rc3 25.Bb5 Bc4 26.Bc4 Rc4 27.Qe2 Qc7 28.Qb2 h6 29.Qb5 Qc6 30.Qc6 ½–½. mr5reasons1 (1645) – borisrub (1670), gameknot.com, 2012.

7.Be2 g6 8.0-0 Bg7 9.d4 0-0 10.Nbd2 h5 11.a4 a5 12.Nb3 Ne4 13.Qc2 c6 14.Bd3 Nd6 15.c5 bc5 16.dc5 Nf5? 17.b6 Bb2 18.Qb2 Qe7 19.Bf5 ef5 20.Rac1 Qe4 21.Nbd4 Ba6 22.Rfd1 Bb7 23.Nd2 Qe5 24.Qc3 Nf6 25.N2b3 Ng4 26.g3 h4 27.Na5 hg3+/– 28.hg3?? Qb8?? 29.Nac6+– Bc6 30.Nc6 Qb7 31.Nd4 Ra4 32.Rb1 Ra2 33.c6 Qa6 34.Rb2 Ra1 35.Ra1 Qa1 36.Kg2 Kg7 37.Nf3 f6+– 38.b7 Rh8 39.Ng1 Rh2 40.Kf3 Qg1 41.b8Q Rf2 (41...Rf2 42.Rf2 Qf2; 41...Qf2 42.Rf2 Rf2) 0–1. carocan (1835) – haqa58 (1780), kurnik, 2011.

8.Nc3 0-0 9.Be2 Nc5.

8.cd5 ed5 9.Be2 0-0.

8.cd5 Bd5 9.Nc3 Bb7=.

8.cd5 Bd5 9.Nc3 Bc3 10.Bc3=.

8.Be2 0-0 9.0-0 Rc8 (9...c5 10.cd5 Nd5 11.Nc3=) 10.Ba3 (10.Na3 c6=) 10...Qe7 (10...Ba3 11.Na3 c5 12.cd5 Bd5 13.Nc4=) 11.Qb3 (11.cd5 Bd5 12.Bb4 Qb4=) 11...Ba3 (11...Bd6 12.d3=) 12.Ra3 (12.Na3 c5=) 12...c5 (12...dc4 13.Qc4 e5 14.Qh4=) 13.bc6 (13.d3 Rfd8=) 13...Bc6=+ 14.Nd4 Bb7 15.cd5 (15.a5 dc4 16.Bc4 Ne5=+) 15...Nd5 (15...Bd5 16.Qb2=+) 16.a5=+ Nc5 (16...e5 17.a6 Ba8 18.Nb5=+) 17.Qb2 ba5 (17...Qf6!?=+) 18.Ra5+= a6 19.Qa3 (19.Rc1 Ne4 20.Nc3 (20.Ba6? Qb4 21.Nb3 Ba6–+) 20...Ndc3 21.dc3=) 19...Nd7 (19...Rc7!?=) 20.Ba6+= Qa3 21.Ra3 (worse 21.Na3 Ra8 22.Bb7 Ra5–/+) 21...Ba6 22.Ra6 Nc5 23.Rc6 Rc6 (23...Nd3 24.Nc3+=) 24.Nc6 Rc8 25.Ne5 (25.d4 Nb3 26.Ne5 f6+–) 25...Nb3 (25...f6 26.d4+=) 26.d4 Nb4 (26...f6 27.Nf3+=) 27.g4 (27.Na3 Nc1+–) 27...f6+= 28.Nf3 g5 (28...Nd3 29.Na3+=) 29.h4 (29.Nbd2 Nd2 30.Nd2 Rc2+–) 29...h6 (29...gh4 30.Nh4 Nd3 31.Kg2+–) 30.h5 Rc1 (30...Nd3 31.Na3+–) 31.Nbd2 (31.Nfd2 Rf1 32.Kf1 Nd2 33.Nd2 Nd5+–) 31...Rf1 (31...Nd2 32.Nd2 (32.Rc1?! Nf3 33.Kg2 Nh4 34.Kg3 Nd5=) 32...Rc7 33.Ne4+–) 32.Kf1+– Nd2 33.Nd2 Kf7 34.Nc4 Nd5 35.Ke2 Ke7 36.Kd3 f5 (36...Kd7 37.Kd2+–) 37.f3 (37.Ne5 Kf6+–) 37...fg4 (37...Nb4 38.Kd2+–) 38.fg4 Nf6 (38...Nb4 39.Kd2+–) 39.Ne5 Ne8 40.e4 Nf6 41.Ke3 Kf8 42.Kf3 (42.Kf3 Ke8 43.Nc4+–) 1–0. Gerold – Eissner, corr DDR/H/62, 1966.

8.d4 0-0 9.Nc3=+ Rc8.

8.d4 0-0 9.Nbd2 c5 10.Be2=+.

8.d4 0-0 9.Nbd2 Rc8 10.Be2 c5 11.Qb3? (11.bc6 Bc6 12.cd5 ed5=) 11...dc4 (11...cd4!? 12.Bd4 e5-/+) 12.Nc4=+ cd4 (better 12...Bd5=+) 13.Nd6+/- de3?? (better 13...Bf3 14.Nc8 Bg2+=) 14.Nc8 (14.Nb7?! ef2 15.Kf2 Qc7+-) 14...ef2 15.Kf2 Qc8 16.Rhd1 Nc5 17.Qb4 Qc7 18.Be5 Qe5 (18...Qe7 19.Kg1 Nd5+-) 19.Ne5 1-0. zembelek (2075) - ohdy (2065), Rated Blitz game, lichess.org, 2015.

8.d4 0-0 9.Nbd2 Qe7 10.Be2 Rfe8 11.0-0 dc4 12.Nc4 Nd5 13.Nd6 cd6 14.Qb3 Rac8 15.Rfc1 N7f6 16.Nd2 Qd7 17.Nc4 Rc7 18.Ba3 Rec8 19.Qb2 (19.Bf3 Qd8+=) 19...Ne4 20.Bd3 (better 20.f3 Nec3 21.Qd2=+) 20...Nef6? (better 20...Ndf6=) 21.Nd6+– Rc1 22.Rc1 Rc1 23.Qc1 Ne8 24.Nc4 (24.Nb7 Qb7 25.e4 Ne7+–) 24...f6 25.e4 Ndc7 26.Qc3 0–1. Johnson – Pommerel Brouwer,Wim H, CiF–FT–84–345B, 1984.

8.d4 0-0 9.Be2 Ne4 (9...dc4 10.0-0=) 10.0-0= Ndf6 (10...c5 11.Nbd2=) 11.h3 (11.Ne5 dc4 12.Nc4 Be7=) 11...Re8 12.Nbd2 Rc8 13.Qb3 (13.a5 c6=) 13...dc4 (13...c5 14.Ne4 Ne4 15.Rfd1=+) 14.Nc4= Be7 (14...Bd5 15.a5=) 15.Nce5+= Bd5 16.Bc4 (better 16.Qc2+=) 16...Ba8?? (16...a6 17.ba6 Ra8 18.Rfc1+=) 17.Rfd1?? (better 17.Be6 Bd5 18.Bf7 Kf8 19.Bd5 Qd5 20.Qd5 Nd5 21.Nc6+-) 17...Nd5 18.Ne1 (18.a5 Bd6+=) 18...f6 19.f3 (19.Nc6 Bc6 20.bc6 f5+/-) 19...Ng3 (19...Nd6!? 20.Nc6 Bc6 21.bc6 Nc4 22.Qc4 Qd6=) 20.Ng4+= h5 21.Nf2 c6 (21...Bd6 22.e4 Nf4 23.Nfd3 Nge2 24.Kf2+/-) 22.e4+/- Nb4? (22...Nf4 23.Kh2 Qc7=) 23.Be6+- Kh8 24.Bc8 Qc8 25.Kh2 (25.Ba3 c5 26.Bb4 cb4+-) 25...h4?? (25...Nf1 26.Kh1 Ng3 27.Kg1 Ne2 28.Kh2 Qc7 29.e5 Nf4+-) 26.Ng4 (26.Ba3 c5 27.Bb4 cb4+-) 26...c5 27.d5?? (better 27.Bc3+-) 27...Bd6 (27...c4 28.Qc3 Qc7+=) 28.Kg1 (better 28.e5!? fe5 29.Qc4+/-) 28...Ne2 29.Kf1 Nf4?? (29...Ng3 30.Kf2 c4=) 30.Rac1 Qd7 (30...a6 31.Ba3 ab5 32.Bb4+-) 31.Rc3 (better 31.Bf6 gf6 32.Nf6+-) 31...f5 32.ef5 (32.Nf2 Qe7 33.Rcc1 Nh5+/-) 32...Qf5 (32...Bd5 33.Qa3 Qf5 34.Re3+/-) 33.Re3+- Rd8 34.Qc3 (34.Be5 Bd5 35.Qc3 Be5 36.Re5 Qf8+-) 34...Qh7 (better 34...Qg5 35.Qc1 Na2+-) 35.Re5 (better 35.Nf6!? Qg6 36.Re8 Re8 37.Ne8+-) 35...Be5+= 36.Qe5 Nbd5?? (36...Nfd5 37.Nf6 Qh6=+ (37...gf6 38.Qf6 Nf6 39.Bf6 Kg8 40.Rd8 Kf7 41.Rd7 Kg6 42.Rh7 Kh7 43.Bh4+/-)) 37.Nd3 (better 37.Qf4 Nf4 38.Rd8 Qg8 39.Rg8 Kg8 40.Be5+-) 37...Qg8?? (better 37...Nd3 38.Qg7 Qg7 39.Bg7 Kg7 40.Rd3 Re8-+) 38.Nf4+- Re8 (38...Qf7 39.Nh5 Re8+-) 39.Qh5 (39.Ng6 Kh7 40.Qh5) 39...Qh7+- 40.Qh7 (40.Qe8 Qg8 41.Ng6 Kh7 42.Nf8 Qf8 43.Qf8 Kg6 44.Qg7 Kf5 45.Rd5 Bd5 46.Qf6) 40...Kh7 41.Nd5 Rf8 (41...Bd5 42.Rd5 Re7 43.Rh5 Kg8 44.Ne5+-) 42.Ne5 1-0. zembelek (2020) - angyx (1925), Rated Blitz game, lichess.org, 2014.

8.d4 c5 9.Nbd2 (9.bc6!? Bc6 10.Nc3=; 9.cd5 ed5) 9...cd4 (9...0-0 10.cd5 cd4 11.Nd4 Nd5 12.Nc6=+) 10.Nd4 Rc8 (10...0-0 11.cd5 Bb4 12.Be2=+) 11.Rc1 (11.cd5 Nd5 12.Nc6 Bc6 13.bc6 Ne5=) 11...0-0 (11...Ne5 12.cd5 Nd5 13.Nc6 Nc6 14.bc6 Bc6 15.e4=+) 12.Be2 dc4 (12...e5 13.Nc6 Bc6 14.bc6 Rc6 15.0-0=+) 13.Nc4 (13.0-0 c3 14.Bc3 Nd5=) 13...Bb4 (better 13...Bg2 14.Rg1 Bb4 15.Nd2 Rc1 16.Qc1 Bd5=+) 14.Nd2? (better 14.Kf1=+) 14...Ne4–+ (14...Bg2?! 15.Rg1 Rc1 16.Qc1=+) 15.N4b3?? (15.N4f3 Ndf6 16.Rc8 Qc8 17.Bf6 gf6 18.Bd3–+) 15...Ndc5 16.Rc5 (16.Rc4 Nb3 17.Rb4 Qd2 (worse 17...Ned2 18.Rb3 Nb3 19.Qb3–+) 18.Qd2 Ned2–+ (18...Nbd2?! 19.f3–+)) 16...bc5 17.Bc1 (17.Bf3 Nd2 18.Bb7 Nb3 19.Ke2 Qd1 20.Rd1–+) 17...c4 18.Bc4 (18.0-0 cb3 19.Nb3 Nc3–+) 18...Rc4 19.0-0 (19.Ba3 Ba3 20.0-0 Nc3–+) 19...Rc1! 20.Qc1 (20.Nc1 Bd2 Deflection (20...Bd2 Remove defender; 20...Bd2 Overloading); 20.Qc1 Bd2 Remove defender) 20…Nd2 (20...Nd2 21.Nd2 Bd2–+) 0–1. Felicione,Anthony (2095) – Russev,Rusen Iordanov (2505), Internet Section, 2004.

8.d4 Ne4 9.Nc3 Ndf6.

8.a4 a5 (8...0-0 9.Be2=) 9.Be2 0-0 10.0-0 dc4 11.Bc4 c6 (11...Ng4 12.Be2=) 12.d4 (12.bc6 Bc6 13.Nb5 Bb4+=) 12...Bb4 (12...c5 13.d5 ed5 14.Nd5=) 13.Qb3 (13.bc6 Bc6 14.Rc1 Qe7+=) 13...Re8 (13...c5 14.Rfd1=) 14.Ng5 (14.bc6 Bc6 15.Rac1 Rc8+=) 14...cb5 (14...c5 15.Rfd1 h6 16.dc5 Bc5 17.Be6 hg5 18.Bf7 Kh8 19.Nd5 Bd5 20.Bd5=) 15.Nb5 Nh5 (15...h6!? 16.Nf3 Rc8=) 16.f4+/- Qc8?? (better 16...h6 17.Nf7 Kf7+-) 17.Rac1+- Qc6 (17...Qd8 18.Nc7!! Nhf6 19.Ne8 (19.Na8?! Qa8 20.f5 Bd5+-) 19...Qe8 20.f5+-) 18.e4 h6 (18...Nc5 19.dc5 Bc5 20.Kh1 h6+-) 19.d5 (19.Be6 fe6 20.Rc6 Bc6 21.Ne6 Kh8+-) 19...ed5?? (19...Qc5 20.Bd4 ed5 21.ed5 hg5 22.Bc5 Bc5 23.Kh1 Nf4+-) 20.Bd5 Nc5 (20...Bc5 21.Kh1 hg5 22.fg5 Qd5 23.ed5+-) 21.Qh3 (better 21.Qf3 Nf6 22.Bc6 Bc6 23.Nd6 hg5 24.fg5 Be4 25.Ne4 (25.gf6?! Bf3 26.Ne8 Be2 27.Ng7 Bf1 28.Kf1 Na4=) 25...Nce4 26.gf6+-) 21...Qc8 (21...hg5 22.Bc6 Nf4 23.Rf4 Bc6 24.Nd6+-) 22.Qh5 (better 22.Bf7 Kf8 23.Qh5 Be4 24.f5+-) 22...Bd5 23.Nd6 (23.ed5 Qd7 24.Nf3 Nd3+-) 23...Qd7 24.Ne8 (24.ed5!? Re7 25.Ngf7 Rf7 26.Qf7 Qf7 27.Nf7 Kf7+-) 24...Re8 25.ed5 (25.Rcd1 hg5 26.Rd5 Qe6 27.Rg5 Ne4 28.Rg7 Kf8+-) 25...hg5 26.Qg5 f6 27.Bf6 (better 27.Qg6 Qf7 28.Qf7 Kf7 29.Bd4+-) 27...Qf7?? (better 27...Ne4 28.Qg7 Qg7 29.Bg7 Kg7 30.Rc7 Kg8+=) 28.Be5+- Nd3 (28...Ne4 29.Qg4 Bc5 30.Kh1 Re7+-) 29.Rc7 (better 29.Rcd1 Nc5 30.d6 Ne4+-) 29...Bc5?? (29...Qc7 30.Bc7 Bc5 31.Kh1 Nf2 32.Kg1 Nd3 33.Kh1 Nf2 34.Kg1 Nd3=) 30.Kh1?? (better 30.Rc5 bc5 31.d6 Ne5 32.fe5+-) 30...Re7?? (better 30...Qc7! 31.Bc7 Nf2 32.Kg1 Nh3 33.Kh1 Nf2 34.Kg1 Nh3 35.Kh1 Nf2=) 31.Rc8+- Re8 32.Re8 Qe8 33.Qg7 1-0. Lance5500 (2490) - DaviatorYT (1650), lichess.org, 2018.

8.d4 Bb4 9.Qb3= Ba5 10.Bd3 0-0 11.0-0 dc4 12.Bc4 Bc3 13.Bc3 Bd5 (13...a6 14.ba6 Bf3 15.gf3=) 14.Bb4 Bc4 (14...Re8 15.Bd5 ed5 16.Rfc1+=) 15.Qc4 Nd5? (better 15...Re8+=) 16.Bf8+– Qf8 (16...Nf8 17.Rfc1+–) 17.Ne5 (better 17.e4!? Nf4+–) 17...Ne5 18.de5 Qe7 19.a4 Rd8 20.Rfd1 f6 (20...Qg5 21.a5+–) 21.Rac1 (21.Rac1 f5 22.e4 fe4 23.Qe4+–; 21.e4 Nf4+–) 1–0. yodamo – Zafiro07, ChessWorld.net, 2008. (=1.Nf3 d5 2.b4 b6 3.Bb2 Nf6 4.e3 Bb7 5.c4 e6 6.b5 Nbd7)

8.cd5 ed5 9.Be2 0-0.

8.cd5 ed5 9.Be2 c5 10.bc6+= Bc6 11.Nd4 Qc7 12.Rc1 Nc5?? 13.Nc6+– 0-0 14.Nb4 Rfe8 15.Nb5 Qd7 16.Bf6 gf6 17.Nd5 Be5 18.Bc4 Qd8 19.d4 a6 20.Nbc3 b5 21.Be2 b4 22.Nb4 a5 23.Nbd5 Ne4 24.de5 (24.de5 Nc3 25.Rc3 Re5 26.Bc4+–) 1–0. pcmvr (2840) – rooked (2260), net–chess.com, 2009.

8.Be2 0-0 9.0-0 Re8 10.Qc2 e5 11.cd5 Nd5 12.Nd5 Bd5 13.e4 Bb7 14.Rac1 (14.Bc4 a6=) 14...Rc8 (14...Nc5!?–/+) 15.Bc4= Nf6 16.d3 Qe7 17.Rfe1 h6 18.Qb3 Rf8 19.Nh4 Kh7 20.Nf5 Qd7 21.Re3 g6 22.Nh4 (22.Nd6!? cd6 23.Qa3+/–) 22...Ng4 23.Rg3 Bc5 24.Rf1 Rce8 25.h3 Nf6 26.Qd1 (better is 26.Rf3!? Kg7 27.Qd1+=) 26...Nh5+= 27.Rf3 Qe7 28.g3 Ng3 29.Rg3 Qh4 30.Qf3 Qf4 31.Qg2 Re7 32.Bc1 Qf6 33.Kh1 c6 34.a4 cb5 35.ab5 Bd6 36.Rf3 Qg7 37.h4 (37.Bd2 f5 38.Rc1 fe4 39.Rf8 e3–+ (39...Qf8?! 40.de4 Rc7 41.Kg1–/+)) 37...f5 38.Bd5 (38.Bb3!? Rc7–+) 38...Bd5 39.ed5 Rc7 40.Be3 f4 41.Bc1 Rfc8 (41...Rc2 42.Rd1–+) 42.Qg1? (42.Bb2 Rc2 43.Ba1–+) 42...Qf6 43.Rh3 (43.Bb2 Qh4 44.Qh2 Qh2 45.Kh2–+) 43...Qf5 44.Kh2 (44.Rh2 Qd3 45.Bb2 Rc2–+) 44...f3 45.Qh1 (45.Ba3 Ba3 46.Qg3 Qd3 47.h5 Qf1 48.Qg6 Kh8 49.Rf3–+) 45...e4 46.Rg3 Bg3 (46...Qg4 47.Qg2 fg2 48.Rd1 g1Q 49.Kg1 Bg3 50.Bd2 Qd1 51.Be1 Qe1 52.Kg2 Qf2 53.Kh3 Bh4 54.de4 Qg3) 47.fg3 Rc2 48.Kg1 Rc1 49.de4 (49.Rc1 Rc1 50.Kf2 Rc2 51.Kg1 Qd5 52.Qg2 Rg2 53.Kh1 Qd3 54.g4 Qd1) 49...Rf1 0–1. Purczynski,Andrzej – Jablonski,G, 23rd Poznan Open, 2015.

8.Bc3 Bd6=.

8.Nbd2 0-0 9.Be2 a5 10.0-0 c6 11.a4 cb5 12.cb5 Rc8 13.Qb1 Qe7 14.Rc1 Rc1 15.Qc1 Rc8 16.Qd1 Ne4 17.Rc1 Qd8 18.Ne4 de4 19.Nd2 Bd5 20.Nc4 h6 21.h3 Qg5 22.Rc2 f5 23.Qc1 Rf8 24.Nd2 f4 25.Nf1 f3 26.Bf3 ef3 27.g3 Qh5 28.h4 Qg4 29.Nh2 Qh3 30.Qf1 Qf1 31.Kf1 Bd6 32.Ng4 h5 33.Ne5 Ne5 34.de5 Bc5 35.Bd4 Rc8 36.Kg1 Bb3 37.Rc3 Ba4 38.e4 Bb5 39.Bc5 Rc5 40.Rf3 Re5 41.Rb3 a4 42.Rb4 Rc5 43.Kg2 a3 44.Rb3 a2 45.Ra3 Rc2 46.Kf3 Bc4 47.Kf4 Rc1 48.Ra8 Kh7 49.Ke5 a1Q 50.Ra1 Ra1 51.f4 Re1 52.f5 ef5 53.Kf5 Bd3 54.Kg5 Re4 55.Kh5 Be2 56.Kg5 Rg4 57.Kf5 Rg3 58.h5 Bh5 59.Kf4 Rc3 Normal 0-1. husref (1985) - ttmzt (2090), Rated Blitz game, lichess.org, 2015.

8.Nbd2 dc4 9.Bc4 a6 10.0-0=.

8.Nbd2 Bd2 9.Nd2 0-0 10.Bd3 dc4=+ 11.Nc4 c5 (11...a6!? 12.0-0 ab5=+) 12.bc6 Bc6 13.Rc1 (13.0-0 b5 14.Ne5 Ne5 15.de5 Qd5+=) 13...Rc8 (better 13...Bg2!? 14.Rg1 Bd5=) 14.Nd6+= Rc7 15.0-0 Qe7? (better 15...Nd5+=) 16.Nb5+– Bb5 17.Rc7 (17.Bb5?! Rfc8+=) 17...Bd3 18.Qd3 Qd6 (18...a5 19.Rfc1 Qd6 20.Rc8+–) 19.Ra7 Nc5 (19...Qb8 20.Qa6 Ng4+–) 20.Qa3 Nce4 (20...Ng4 21.g3 Ne4 22.f3 Nh2 23.Qd6 (worse 23.Kh2 Qg3 24.Kh1 Qh3 25.Kg1 Ng3–/+) 23...Nd6 24.Kh2+–) 21.f3 1–0. Janek – Difft, internet, 2019.

8.Nbd2 Bd2 9.Nd2 0-0 10.cd5!? ed5 11.Bd3+=.

8.Nbd2 Ne4 9.a3 Ba5 10.Bd3 f5 (10...Nd2!? 11.Nd2 dc4 12.Bc4 Qg5=) 11.0-0+= Bd2 (11...a6 12.Rc1+=) 12.Nd2 0-0 13.f3 Ng5 (13...Nd6 14.a4+=) 14.Qb3 (14.cd5 ed5 15.Qc2 Qe7+-) 14...Qf6 (14...c5 15.bc6 Bc6 16.Rac1+=) 15.Rac1 Qg6 (15...Rac8 16.Rc2+/-) 16.Kh1 (16.cd5 Bd5 17.Qa4 Rfc8+/-) 16...Qh5 (16...c5!?+=) 17.cd5+- Bd5 18.Bc4 (18.Qc2 Rfc8+/-) 18...Nf6 19.Bd5 Nd5 20.e4 fe4 21.fe4 Nf4 22.Nf3?? (better 22.Rf2+/-) 22...Ne4-+ 23.Rce1 (better 23.Rc7 Ng3 24.Kg1 Nf1 25.d5-+) 23...Ng3 24.Kg1 Nf1 25.Kf1 (25.Rf1 a6 26.ba6 Qg6-+ (26...Ra6?! 27.Qc2-+)) 25...Qg4 (better 25...Qg6!? 26.Re3 Qg2 27.Ke1-+) 26.Qc2 Ng2 27.Qg2 Rf3 28.Kg1 Qf5 (better 28...Qh4!? 29.Rc1 Raf8 30.d5-+) 29.Re5 (29.d5 g6 30.de6-+) 29…Qb1 (29...Qb1 30.Bc1 Qc1 31.Re1 Qe1 32.Qf1 Qf1) 0-1. zembelek (1985) - M0rality (1980), Rated Blitz game, lichess.org, 2014.

8.Nbd2 Ne4 9.Be2 Ndf6 (9...a6 10.cd5 Nd2 11.Nd2 Bd5 12.ba6=) 10.0-0= 0-0 11.a3 (11.Ne4 Ne4 12.cd5 Qd5=) 11...Bd6 (11...Nc3 12.Bc3 Bc3 13.Rb1=) 12.Nb3 (12.Ne4 Ne4 13.cd5 ed5=) 12...a6 13.a4 (13.cd5 Bd5 14.ba6 Ra7=) 13...dc4 14.Bc4 ab5 15.ab5 Ra1 16.Ba1 Qa8… Pennell – Gray, North Carolina, 1980.

8.Nbd2 Ne4 9.Be2 0-0 10.0-0 Ndf6 11.a4 (11.cd5 Qd5 12.Bc4 Qd6=) 11...a6 12.Qb3 (12.Ne4 Ne4 13.Qc2 c6=) 12...a5 (12...c5 13.Rfd1=) 13.Ba3 Ba3 14.Qa3 Qd6 (14...dc4 15.Nc4 Bd5 16.Rac1+=) 15.Qd6 (15.Rfc1 Qd8+=) 15...cd6 16.Rac1 Rac8 17.Ne4 de4 (17...Ne4 18.Rc2=) 18.Nd2+= Rfd8 19.Rfd1 Kf8 20.Nb3 Ke7 21.c5 (better 21.h4!?+=) 21...dc5–/+ 22.dc5 Bd5 23.Nd4? (better 23.Nd2!? Rc5 24.Rc5 bc5 25.Rc1–/+) 23...bc5–+ (23...Rc5?! 24.Rb1–+) 24.Nc2 Bb3 (24...Nd7 25.Rd2–+) 25.Rd8 Rd8 26.Na3 Rd2 27.Bf1 Nd7 28.Nc4 Bc4 29.Rc4 Kd6 (29...f5!? 30.h3–+) 30.Re4 Nb6 31.g3 (31.g4 Ra2–+) 31...Rc2 (31...g5 32.Rg4 h6 33.h3–+) 32.Kg2 (32.Rf4 f5 33.Rh4 h6–/+) 32...c4 (32...g5 33.Rg4 h6 34.h4–/+) 33.h4 (33.Rf4!? c3 34.Bd3–+) 33...e5 (33...f5 34.Rd4 Kc5 35.Rd8–+) 34.Kf3?? (better 34.Rg4 g6 35.h5–+) 34…f5 (34...Na4?! 35.Rc4 Rc4 36.Bc4=+) 0–1. Toll,Anatoly – Aguayo,Pablo, Dos Hermanas Internet qual–E, 2009.

8.cd5 Nd5 9.Nbd2 a6=.

8.Be2 a6 9.a4=.

8.Be2 Ne4 9.cd5= Bb4 10.Nbd2 Bd2 (10...Bd5!? 11.0-0 f5+=) 11.Nd2+– Nd2 12.Qd2 (worse 12.Kd2 Bd5 13.Ba3 Qf6+=) 12...Bd5 13.0-0 Qg5 14.f3 0-0 15.Bd3 Nf6 16.Qf2 h6?? (better 16...Rfc8+–) 17.h4+– Qh5 18.e4 Bb7 (18...Qg6 19.Rad1 (19.ed5?! Qd3 20.de6 fe6=) 19...Be4 20.fe4 (20.Be4?! Ne4 21.fe4 a6+–) 20...Ne4 21.Be4 Qe4 22.Ba3+–) 19.e5 Nd5 (19...Ng4 20.fg4 Qg4+–) 20.g4 Nf4 21.Qh2 Nd3 (21...Qh4 22.Bh7!! Kh7 23.Qh4+–) 22.gh5 a5 (22...a6 23.a4+–) 23.Bc3 a4 (23...Nb4 24.Bb4 ab4 25.Qd2+–) 24.Qd2 1–0. Janek – Ideal, internet, 2018.

9.0-0 dc4 10.Bc4 a6 11.a4=.

9.0-0 Re8 10.Nbd2 c6 11.cd5 cd5 12.Qa4 a6 13.ba6 Bc8 14.Ne5 Nb8? (better is 14...Ba6 15.Ba6 Nb8=) 15.a7+– Nbd7 16.Nc6 Qc7 17.Rac1 Qb7 18.Bb5 Nf8 19.Nf3 N8d7 (19...Ng6 20.Qc2+–) 20.Rc2 (better is 20.Ne7 Re7 21.Qa3+–) 20...Ne4? (better is 20...Bd6+–) 21.Ne7 Re7 22.Ba3 Ra7 (22...Ndc5 23.dc5 bc5 24.Bc5 Nc5 25.Rc5 Bd7+–) 23.Rc8! (23.Be7?! Ra4 24.Ba4 Nf8 25.Bf8 Kf8+–) 23...Qc8 (23...Nf8 24.Be7 Qe7 25.Qb3+–) 24.Qa7 Nc3 25.Rc1 Ne2 (25...f6 26.Be7 Ne2 27.Be2 Qc1 28.Ne1 Qe1 29.Bf1 Nf8+–) 26.Be2 Qc1 27.Bc1 (27.Bc1 f6 28.Bb5+–) 1–0. Janek – Jerry, internet, 2016.

10.a3 f5 (10...dc4 11.Bc4 a6 12.a4=) 11.Qd3 (11.Nc3 a6=) 11...Bf6 (11...c5 12.bc6 Bc6 13.Nc3=) 12.Nc3+= Nc3 13.Bc3 dc4 14.Qc4 Bd5 15.Qb4 (15.Qd3 Rc8+=) 15...Be7 (15...Rc8 16.Rfd1=) 16.Qb2 (16.Qa4 a6 17.ba6 c6+=) 16...Bf6 (16...Bd6 17.Rfc1+=) 17.Nd2 (17.Bb4 Rf7+=) 17...Qe8 (17...a6 18.a4+=) 18.Bf3 (18.Bb4 Rf7+=) 18...Bf3 (18...a6 19.a4+=) 19.Nf3 (worse 19.gf3 a6=+) 19...a5 (19...a6 20.a4+=) 20.Rfc1 Rc8 21.Rc2 Rf7 (21...c6 22.bc6 Rc6 23.Qb5+=) 22.Rd1 (22.Rac1 Be7+–) 22...c5 (22...Qe7 23.Rdc1+=) 23.bc6 Rc6 24.Rdc1 Nf8 25.Qb5 (25.Be1 Rc2 26.Rc2 Qa4+=) 25...Qc8 (25...Rfc7 26.a4+=) 26.Kf1 (26.Qb3 Rfc7=) 26...Rfc7= 27.Qb2 Nd7 (27...Ng6 28.Kg1=) 28.Ke1 (28.Kg1 e5+=) 28...Kf7 (28...Be7 29.Kf1=) 29.Kd1 (29.Nd2 Be7 30.a4 Bb4–/+) 29...Ke7 (29...Qa6 30.Kd2=) 30.h4 (30.Qb3 Kf8=) 30...Kf7 31.Ng5 (31.h5 Kg8=) 31...Bg5=+ 32.hg5 g6 (32...Qd8 33.f4=+) 33.f4 (33.Bd2 Rc2 34.Rc2 Qd8=) 33...Qd8 (33...Qa6 34.Ke1=) 34.Rd2 (34.Ke1 Kg8=) 34...Nf8 (34...Rc4 35.Ke1=) 35.Qb3 (35.Ke1 Qd5=) 35...Qd5 36.Qd5 ed5 37.Bb2 (37.Rdc2 Ne6=) 37...Rc1=+ 38.Bc1 Ke6 39.Rc2 (39.Rb2 Rc6=) 39...Kd7 (39...Rc4 40.Bd2=+) 40.Rc7= Kc7 41.Kc2 (41.Ke2 Ne6=) 41...b5=+ 42.Bd2 Kb6 43.Kd3 Ne6 44.Ke2 Ng7 (44...Nd8 45.Kf3=+) 45.Kf3 Ka6 (45...Ne8 46.g4–/+) 46.g4=+ fg4 (46...Ne8 47.gf5 gf5 48.Ke2=+) 47.Kg4 Nf5 48.Kf3 Nd6 49.Ke2 Nc4 50.Bc1 Kb6 (50...b4 51.ab4 ab4 52.Kd3–/+) 51.Kd3=+ Nd6 52.Kc2 (52.Bd2 Ne4=) 52...Kc6 (52...Ka6 53.Kb3=+) 53.Kb3 (53.Bd2 Nc4 54.Kd3 Kd6= (worse 54...Na3 55.Ba5 Nc4 56.Bb4=)) 53...Kb6 (53...Ne4 54.Bb2=) 54.Bd2 (54.Kc2 a4=+) 54...Nc4 (54...Ne4 55.Kc2=) 55.Bc1 ½–½. Bartle,Georg – Mellenthin,Horst, 18 sen. DSen EM (GrB) op, 2006.

10.Nc3 Nc3 11.Bc3 a6 12.cd5 Bd5 13.ba6+=.

10.Nc3 f5 11.cd5 (11.Qc2 Nc3 12.Bc3 a6+=) 11...ed5 (11...Nc3 12.Bc3 Bd5 13.Qa4+=) 12.Ne5 (12.Qc2 Ndf6+=) 12...Bg5 (12...Ne5 13.de5 a6 14.a4=) 13.f4 (13.Ne4 fe4 14.Ba3 Be7 15.Nd7 Qd7=) 13...Bh6 (better 13...Ne5!? 14.de5 Be7=) 14.Ne4+– fe4 (14...Ne5 15.de5 fe4 16.Qc2+–) 15.Ng4 Rf7 (15...a6 16.Nh6 gh6 17.a4+–) 16.Nh6 (16.Qc2 Qh4+–) 16...gh6 17.Qe1 (17.Rc1 a6+–) 17...Rg7 (17...a6 18.a4+–) 18.Rc1 Nf8 19.g4 (19.Qc3 a6 20.a4 Qf6+–) 19...Qf6 (19...a6 20.a4+=) 20.Kh1 Rc8 (20...a6 21.a4+–) 21.Rc2 (21.Ba3 Nd7+–) 21...Qe7 (21...c6 22.bc6 Rc6 23.Rc6 Bc6 24.Qg3+=) 22.Qg3 Kh8 (22...Qf6 23.Rfc1+–) 23.Rfc1 (23.f5 Qf6+–) 23...Ne6 (23...h5 24.g5+–) 24.h4 (24.f5 Nd8+–) 24...Qd6 (24...Nd8 25.f5+–) 25.Kh2 Nd8 26.Rc3 (26.f5 Qf6+–) 26...Qd7 (26...c6 27.Ba3 Qd7 28.f5+–) 27.Ba3 (27.f5+–) 27...Ba8 (27...c6 28.f5 h5 29.Qe5+–) 28.Bf8 (28.g5 hg5 29.Qg4 h5 30.Qd7 Rd7 31.fg5 c6+–) 28...Rf7 (28...Rg8 29.Bh6 Nf7 30.Bg5 Ng5 31.hg5+–) 29.Bh6 c5 30.bc6 (30.dc5 bc5 31.Rc5 Rc5 32.Rc5+–) 30...Rc6 31.Bb5 Rc3 (31...Qd6 32.Bc6 Nc6+–) 32.Bd7 Rc1 (32...Rd7 33.f5 Nf7 34.Rc3 Rd8 35.Rc7 Re8 36.Rf7 a6 37.Qe5 Re5 38.Rf8) 33.f5 Rd7 34.Qe5 Kg8 35.Qe8 1–0. Rohrbacher,W – Muensch,K, 1994.

10.Nbd2 Nd2 11.Nd2 dc4 12.Qc2=.

10.Nbd2 Ndf6 11.Qc2 c5 (11...Nd2 12.Nd2 c6 13.a4=) 12.dc5 (12.Ne4 Ne4 13.Rfd1 Bd6+=) 12...Nc5= 13.Rfd1 Rc8 14.Rac1 Nfe4 (14...a6 15.cd5 Nd5 16.Qb1=) 15.Bd4 Bf6 (15...Nd6 16.a3+=) 16.Nf1 (16.Ne4 Ne4 17.Qa4 Bd4 18.Rd4 Qc7=) 16...Qe7= 17.cd5 (17.Qb2 dc4 18.Bf6 Nf6=) 17...Bd5 Black gets in control... 18.Qb2 (18.Bc4!?=) 18...Na4=+ 19.Bf6 gf6 20.Qa1 Nac3 Do you see the mate threat? 21.Re1 Qa3 a2 draws heavy fire (21...Na2 22.Rc8 Rc8 23.Nd4=+) 22.Bd3 Qa2 23.Qa2 Na2 24.Ra1 Nec3 25.Ng3? (25.e4 Ba8 26.Bb1 Nb1 27.Ra2–+) 25...Nb4–+ 26.Bb1 (26.Be2 Nc2 (26...Ne2?! 27.Re2 Bf3 28.gf3–/+) 27.Kf1 Rc7–+) 26...Nb5 (26...Bf3 27.gf3 Nb5 28.Rd1–+) 27.Nh5 (27.e4 Bb7–+) 27...f5 (27...Bf3 28.Nf6 Kg7 29.Nh7–+) 28.e4 (better 28.Nf6 Kg7 29.Nd5 Nd5 30.Bd3–+) 28...fe4 29.Be4 Rc4 (29...Nc2 30.Bc2 Rc2 31.Nf6 Kg7 32.Nd5 ed5 33.Kf1–+) 30.Ng5 (30.Ne5 Re4 (30...Be4?! 31.Nc4 Bd5 32.Ne3–/+) 31.Nf6 Kg7 32.Re4 Be4 (32...Kf6?! 33.Ng4 Ke7 34.Rb4=) 33.Ne4 Nd5–+) 30...h6 31.Nf6 (31.Nh7 Rfc8–+) 31...Kg7 32.Bd5 (32.Nh5 Kh8 33.Nh7 Rfc8–+ (33...Re4?! 34.Re4 Be4 35.Nf8–/+)) 32...ed5 (worse 32...Nd5 33.Nd5 ed5 34.Nf3–+) 33.Ngh7 Rfc8 34.h3 (34.Re3 Rc1 35.Re1 Ra1 36.Ra1 a5–+) 34...Nc2 35.Kh2 (35.Rab1 Nc3 36.Rf1 Nb1 37.Rb1 R8c6–+) 35...Na1 36.Ra1 R4c6 (36...R4c6 37.Rb1 Nc3–+) 0–1. Durka,Jan – Machycek,Lubomir, Tatranske Zruby SVK, 2006.

10.Nbd2 Ndf6 11.cd5 Qd5 12.Bc4 Qf5=.

10.cd5 Bd5 11.Nbd2 Nd2 12.Nd2 c5=.

9.0-0 A) 9...a5 A1) 10.Nc3 0-0 (10...Rc8 11.cd5 ed5 12.Rc1 c4 13.Ne5 0-0 14.f4 Bb4; 10...Qc7 11.cd5 ed5 12.dc5 Nc5 13.Nd4 0-0 14.Nf5 Bd6) 11.cd5 Nd5 12.Rc1 Nb4 13.a3 Nd5 14.Nd5 Bd5; A2) 10.h3 Rc8 (10...0-0 11.cd5 Nd5 12.Nc3 Rc8 13.Rc1 Nc3 14.Rc3 Nf6; 10...dc4 11.Nbd2 0-0 12.Bc4 Rc8 13.Rc1 cd4 14.Bd4 Ba3) 11.cd5 Nd5 12.Nc3 cd4 13.Nd5 Bd5 14.Nd4 0-0; A3) 10.ba6 Ba6 11.cd5 Be2 12.Qe2 ed5 13.Nc3 0-0 14.dc5 bc5; A4) 10.cd5 Nd5 (10...ed5 11.dc5 Nc5 12.Be5 0-0 13.Nc3 Nfe4 14.Rc1 Rc8) 11.Nc3 0-0 12.Rc1 Qc7 13.Nd5 Bd5 14.Bc4 Bf6; B) 9...cd4 B1) 10.cd5 de3 (10...Nd5 11.Nd4 Rc8 12.Nc6 Bc6 13.bc6 Rc6 14.Qa4 Rc8) 11.d6 Bf8 12.fe3 Nc5 13.Nbd2 Bd6 14.Nc4 Bc7; B2) 10.Nd4 Rc8 (10...Qc7 11.cd5 Nd5 12.Nd2 0-0 13.Rc1 Nc5 14.Bf3 Rfd8) 11.cd5 Nd5 12.Nc6 Bc6 13.bc6 Rc6 14.Qa4 Rc8; B3) 10.Bd4 Rc8 (10...0-0 11.cd5 Nd5 12.Nc3 Nc3 13.Bc3 Rc8 14.Bd4 Nc5; 10...Qc7 11.cd5 Nd5 12.Nbd2 0-0 13.Rc1 Nc5 14.Nb3 Rfd8) 11.cd5 Bd5 12.Nbd2 0-0 13.Rc1 Rc1 14.Qc1 Qb8; B4) 10.Qd4 Rc8 (10...Bc5 11.Qh4 0-0 12.Rd1 Rc8 13.cd5 Nd5 14.Qg3 f6; 10...Nc5 11.cd5 Qd5 12.Qd5 Bd5 13.Nc3 Bb7 14.Ne5 Rc8) 11.Rd1 Bc5 12.Qh4 0-0 13.Nc3 dc4 14.Nd2 Nd5; C) 9...0-0 C1) 10.cd5 ed5 (10...Nd5 11.Nc3 Qc7 12.Nd5 ed5 13.dc5 bc5 14.Rb1 Qd6) 11.Nc3 Bd6 12.dc5 bc5 13.Qc2 Qe7 14.Rfd1 h6; C2) 10.Qc2 cd4 (10...Rc8 11.Nbd2 cd4 12.ed4 dc4 13.Nc4 a6 14.a4 h6; 10...a6 11.cd5 Nd5 12.Nc3 ab5 13.Nb5 Nb4 14.Qb3 Be4) 11.Nd4 Rc8 12.Nd2 Bd6 13.Rac1 g6 14.g3 Re8; C3) 10.Nbd2 a6 (10...Qc7 11.cd5 Nd5 12.Qc2 a6 13.a4 ab5 14.ab5 Nb4; 10...g6 11.cd5 ed5 12.Ne5 Bd6 13.f4 Qc7 14.Qc2 Rfe8) 11.ba6 Ba6 12.Qc2 Qc7 13.Rfc1 Rfc8 14.a4 h6; C4) 10.Nc3 Bd6 (10...Qc7 11.cd5 ed5 12.dc5 bc5 13.h3 Bd6 14.Qc2 c4; 10...Rc8 11.cd5 Nd5 12.Rc1 Nb4 13.a3 Nd5 14.Qa4 cd4) 11.Rc1 Qe7 12.dc5 Nc5 13.cd5 Nd5 14.Nd5 Bd5; D) 9...Rc8 D1) 10.cd5 Nd5 (10...ed5 11.Nbd2 0-0 12.Qa4 c4 13.Bc3 Qc7 14.Ne5 Ne5) 11.Nc3 cd4 12.Nd5 Bd5 13.Nd4 0-0 14.Rc1 Bf6; D2) 10.Nbd2 cd4 (10...Qc7 11.Rc1 0-0 12.Qa4 Qb8 13.cd5 Bd5 14.Ba3 h6; 10...0-0 11.Qa4 Qc7 12.Rac1 Qb8 13.cd5 Bd5 14.Ba3 h6) 11.ed4 dc4 12.Bc4 0-0 13.Rc1 Bd6 14.g3 Qe7; D3) 10.Nc3 dc4 (10...cd4 11.Qd4 dc4 12.Rac1 0-0 13.Na4 Nc5 14.Nc5 Bc5) 11.Rc1 0-0 12.Na4 cd4 13.Qd4 Nc5 14.Nc5 Bc5; E) 9...Qc7 E1) 10.dc5 Nc5 (10...bc5 11.Nbd2 a6 12.a4 0-0 13.Qc2 h6 14.h3 Bd6) 11.cd5 Bd5 12.Nc3 Bb7 13.Nd4 0-0 14.Qc2 Rac8; E2) 10.h3 dc4 (10...0-0 11.cd5 Nd5 12.Nc3 c4 13.Qc2 a6 14.ba6 Ba6) 11.Qc2 a6 12.Na3 cd4 13.ba6 Bf3 14.Bf3 Ra6; E3) 10.Nbd2 0-0 (10...h6 11.dc5 bc5 12.Qc2 0-0 13.h3 Bd6 14.Bd3 a6; 10...Rc8 11.Rc1 0-0 12.Qa4 Qb8 13.cd5 Bd5 14.Rfd1 cd4) 11.Qc2 a6 12.cd5 ed5 13.a4 Bd6 14.dc5 bc5; E4) 10.cd5 ed5 (10...Nd5 11.dc5 Bc5 12.Nc3 0-0 13.Nd5 Bd5 14.Rc1 Rfd8; 10...Bd5 11.Nc3 Bb7 12.Qc2 0-0 13.Rac1 Rfd8 14.Qa4 cd4) 11.dc5 bc5 12.Nc3 0-0 13.h3 h6 14.a4 Rae8.

9.Nc3 A) 9...Rc8 10.cd5 Nd5 (10...ed5 11.0-0 0-0 12.g3 Bd6 13.Qa4 Qc7 14.Rab1 c4) 11.Nd5 Bd5 12.0-0 cd4 13.Nd4 0-0 14.Rc1 Bf6; B) 9...0-0 B1) 10.0-0 dc4 (10...cd4 11.Qd4 dc4 12.Qc4 Rc8 13.Qf4 Qc7 14.Rfd1 Qf4; 10...Bd6 11.cd5 ed5 12.dc5 bc5 13.Qc2 Qe7 14.Rfd1 h6) 11.Bc4 cd4 12.ed4 Rc8 13.Bd3 Bd6 14.Rc1 h6; B2) 10.dc5 Nc5 11.cd5 Nd5 12.Nd5 Qd5 13.0-0 Rfd8 14.Qc2 Rac8; B3) 10.cd5 ed5 (10...Nd5 11.0-0 Qc7 12.Rc1 Rac8 13.Qa4 Nc3 14.Rc3 Bd5) 11.dc5 bc5 12.0-0 h6 13.Nh4 g6 14.Nf3 Bd6; C) 9...Bd6 C1) 10.Rc1 0-0 (10...Qc7 11.0-0 dc4 12.Bc4 cd4 13.Na4 de3 14.Be6 Nc5; 10...dc4 11.Bc4 0-0 12.0-0 Ng4 13.h3 Bf3 14.gf3 Qh4) 11.0-0 Qe7 12.dc5 Nc5 13.cd5 Nd5 14.Nd5 Bd5; C2) 10.0-0 0-0 (10...Qc7 11.dc5 bc5 12.h3 0-0 13.Qb3 dc4 14.Qc4 a6; 10...h6 11.dc5 bc5 12.Qb3 0-0 13.Rad1 Nb6 14.cd5 ed5) 11.cd5 ed5 12.dc5 bc5 13.Qc2 Qe7 14.Rfd1 h6; C3) 10.h3 0-0 (10...dc4 11.Bc4 Qe7 12.0-0 0-0 13.d5 ed5 14.Nd5 Nd5; 10...Qe7 11.dc5 Nc5 12.cd5 Nd5 13.0-0 0-0 14.Qd4 f6) 11.0-0 dc4 12.Bc4 Qe7 13.d5 Nd5 14.Nd5 Bd5; C4) 10.dc5 Nc5 (10...bc5 11.0-0 Qc7 12.h3 0-0 13.Qb3 dc4 14.Qc4 Bf3) 11.cd5 ed5 12.Nd4 Qd7 13.Nc6 Qe6 14.Bf3 Nce4; D) 9...cd4 D1) 10.ed4 dc4 (10...Qc7 11.0-0 dc4 12.Nd2 Nd5 13.Bc4 Nc3 14.Bc3 0-0; 10...0-0 11.cd5 Nd5 12.Nd5 Bd5 13.0-0 Rc8 14.Qa4 Qc7) 11.0-0 Nd5 12.Bc4 Nc3 13.Bc3 Rc8 14.Nd2 0-0; D2) 10.Qd4 dc4 11.Qc4 Rc8 12.Qd4 0-0 13.0-0 Qc7 14.Rac1 Nc5; E) 9...dc4 10.Bc4 cd4 (10...0-0 11.d5 ed5 12.Nd5 Nd5 13.Bd5 Bd5 14.Qd5 Bf6; 10...a6 11.0-0 ab5 12.Nb5 0-0 13.Qe2 Qb8 14.Rfd1 Rd8) 11.Qd4 Qc7 12.Be2 Nc5 13.0-0 0-0 14.Qc4 Rfd8.

9.bc6 Bc6 10.Nc3 (10.cd5 Nd5 (10...Bb4 11.Nc3 Nd5 12.Rc1 Rc8 13.Qb3 0-0 14.0-0 Nc3; 10...ed5 11.Nbd2 0-0 12.0-0 Rc8 13.Rc1 h6 14.Qb3 Ne4) 11.0-0 0-0 12.Na3 Qc7 13.Rc1 Qb7 14.Nc4 Rac8; 10.0-0 dc4 (10...Rc8 11.cd5 Nd5 12.Na3 Qc7 13.Rc1 Qb7 14.Qb3 0-0; 10...0-0 11.Nc3 dc4 12.Bc4 Qc7 13.Qe2 Bd6 14.Nb5 Qb8) 11.Bc4 b5 12.Bd3 Rc8 13.a3 Qa5 14.Qb3 0-0; 10.Nbd2 dc4 (10...Rc8 11.0-0 0-0 12.Rc1 dc4 13.Nc4 Bd5 14.Qd3 Qc7; 10...0-0 11.0-0 h6 12.cd5 Bd5 13.Rc1 b5 14.Ne5 Qb6) 11.Bc4 b5 12.Bd3 0-0 13.0-0 Rc8 14.Qe2 h6) 10...Bb7 (10...dc4 11.Bc4 b5 12.d5 bc4 13.dc6 Nc5 14.Qd8 Kd8) 11.Rc1 0-0 (11...dc4 12.Bc4 0-0 13.0-0 Rc8 14.Qe2 Ne4) 12.0-0 Rc8 (12...dc4 13.Bc4 Rc8 14.Qd3 Qc7) 13.cd5 ed5 (13...Nd5 14.Nd5 Bd5) 14.Qb3 Nb8 (14...a6+=) 15.Ne5 Ne4 (15...Nc6!?+=) 16.Ne4+– de4 17.Rc8 Qc8? (better 17...Bc8 18.Bc4 Qe8+–) 18.Rc1+– Qd8 19.Bc4 Qe8 (19...b5 20.Bf7 Kh8 21.Qb5 Ba6+–) 20.Bf7 Rf7 21.Rc7 (21.Nf7?! Qf7 22.Rc7 Bd5+–; worse 21.Qf7 Qf7 22.Nf7 Kf7+=) 21...Kf8 (21...Nc6 22.Nf7 (22.Rb7?! Ne5 23.de5 Bh4+–) 22...Kf8 23.Rb7 Qf7 24.Qf7 Kf7 25.d5+–) 22.Rb7 (22.Rb7 Nc6 23.Nc6 Qc6 24.Rb8 Bd8 25.Rd8 Ke7 26.Rh8+–; worse 22.Qf7 Qf7 23.Nf7 Bd5+–) 1–0. tracy – due, internet, 2011.

9.Nbd2 A) 9...0-0 A1) 10.0-0 a6 (10...Qc7 11.cd5 Nd5 12.g3 a6 13.e4 N5f6 14.Qc2 ab5; 10...g6 11.cd5 ed5 12.Qc2 c4 13.Ne5 Bd6 14.f4 a6) 11.cd5 ed5 12.Ne5 c4 13.ba6 Ra6 14.a4 Qc7; A2) 10.h3 Qc7 (10...a6 11.ba6 Ba6 12.0-0 Qc7 13.Rc1 h6 14.Qb3 Bb7; 10...cd4 11.Bd4 Bd6 12.0-0 e5 13.Bb2 e4 14.Nd4 Ne5) 11.0-0 a6 12.ba6 Ba6 13.Qc2 cd4 14.ed4 Bb7; A3) 10.Qc2 cd4 (10...a6 11.ba6 Ba6 12.0-0 Qc7 13.a4 Bd6 14.g3 Rfe8; 10...Rc8 11.0-0 cd4 12.ed4 dc4 13.Nc4 Be4 14.Qa4 Nd5) 11.Nd4 Rc8 12.0-0 Nc5 13.f3 Qc7 14.cd5 Nd5; A4) 10.cd5 ed5 (10...Nd5 11.0-0 Qc7 12.g3 a6 13.e4 N5f6 14.Qc2 ab5; 10...Bd5 11.0-0 Qc7 12.Rc1 Qb7 13.Bc4 Rfd8 14.Bd5 Nd5) 11.0-0 a6 12.Ne5 Qc7 13.a4 Bd6 14.f4 ab5; B) 9...Rc8 B1) 10.0-0 cd4 (10...0-0 11.Qa4 cd4 12.ed4 Ne4 13.cd5 Nd2 14.Nd2 Bd5; 10...h6 11.Qa4 cd4 12.ed4 0-0 13.Rac1 Rc7 14.cd5 Bd5) 11.Bd4 0-0 12.Rc1 a5 13.cd5 Bd5 14.Bc4 Ba3; B2) 10.cd5 Nd5 (10...Bd5 11.0-0 0-0 12.Rc1 cd4 13.Bd4 Rc1 14.Qc1 Qb8) 11.Nc4 cd4 12.Qd4 Bb4 13.Kf1 Qf6 14.Rb1 Bf8; B3) 10.Qa4 cd4 (10...0-0 11.0-0 cd4 12.ed4 Ne4 13.Rac1 Rc7 14.cd5 Nd2; 10...Qc7 11.Rc1 0-0 12.0-0 Qb8 13.Rfe1 h6 14.Bd3 cd4) 11.ed4 dc4 12.Bc4 Ne4 13.0-0 0-0 14.Ne4 Be4; B4) 10.Rc1 cd4 (10...0-0 11.0-0 cd4 12.Bd4 h6 13.cd5 Bd5 14.Bc4 Nc5; 10...Qc7 11.0-0 0-0 12.Bd3 Rfd8 13.cd5 Nd5 14.Qa4 h6) 11.ed4 dc4 12.Bc4 0-0 13.0-0 Bd6 14.g3 Qe7; C) 9...cd4 C1) 10.Bd4 0-0 (10...Rc8 11.0-0 0-0 12.Rc1 h6 13.cd5 Bd5 14.Bc4 Nc5; 10...Nc5 11.0-0 0-0 12.Rc1 a6 13.ba6 Na6 14.cd5 Nd5) 11.0-0 Rc8 12.Rc1 a5 13.cd5 Bd5 14.Bc4 Bb7; C2) 10.ed4 dc4 (10...0-0 11.0-0 dc4 12.Bc4 Qb8 13.Rc1 Qf4 14.g3 Qf5; 10...h6 11.0-0 0-0 12.Bd3 dc4 13.Nc4 Nd5 14.Qd2 Bb4) 11.Bc4 0-0 12.0-0 Bb4 13.Rc1 Qe7 14.Bd3 Nd5; C3) 10.Nd4 Rc8 (10...Qc7 11.0-0 0-0 12.cd5 Bd5 13.f3 Bc5 14.N2b3 Bd6; 10...0-0 11.Nc6 Qe8 12.0-0 Nc5 13.Ne5 Rc8 14.Rc1 Nfd7) 11.cd5 Nd5 12.0-0 0-0 13.Nc4 Nc5 14.Rc1 Bf6; D) 9...Qc7 D1) 10.Qc2 a6 (10...0-0 11.cd5 Nd5 12.0-0 a6 13.a4 h6 14.Rfc1 ab5; 10...cd4 11.Nd4 Nc5 12.cd5 Bd5 13.f3 Rd8 14.Nc4 Bc4) 11.dc5 bc5 12.a4 ab5 13.ab5 Ra1 14.Ba1 0-0; D2) 10.0-0 0-0 (10...h6 11.cd5 ed5 12.Nh4 g6 13.dc5 bc5 14.Qc2 a6; 10...Rc8 11.Rc1 0-0 12.Bd3 a5 13.Qe2 a4 14.Qd1 Ra8) 11.cd5 ed5 12.Qc2 a6 13.a4 Bd6 14.dc5 bc5; D3) 10.Qb3 a6 (10...0-0 11.0-0 a6 12.ba6 Ra6 13.Rfc1 Raa8 14.a4 Ne4; 10...h6 11.0-0 0-0 12.cd5 Bd5 13.Qc2 Rac8 14.Rac1 Qb7) 11.ba6 Ba6 12.0-0 0-0 13.Rac1 h6 14.h3 Bb7; D4) 10.cd5 ed5 (10...Bd5 11.Qc2 Rc8 12.Rc1 0-0 13.0-0 Qb7 14.Nc4 Ne4; 10...Nd5 11.dc5 bc5 12.0-0 0-0 13.Qa4 a6 14.ba6 Nb4) 11.0-0 0-0 12.Qc2 a6 13.a4 Bd6 14.a5 ba5; E) 9...a6 E1) 10.cd5 Nd5 (10...ed5 11.a4 0-0 12.0-0 ab5 13.Bb5 Qc7 14.Ne5 c4) 11.ba6 Ba6 12.0-0 Be2 13.Qe2 0-0 14.Rfd1 Qc7; E2) 10.ba6 Ba6 11.0-0 0-0 12.Qc2 Qc7 13.a4 cd4 14.ed4 Bb7; E3) 10.0-0 ab5 (10...0-0 11.ba6 Ba6 12.Qc2 Qc7 13.a4 Bd6 14.g3 Rfe8; 10...Qc7 11.cd5 ed5 12.Ne5 0-0 13.a4 Bd6 14.f4 ab5) 11.cd5 ed5 12.Bb5 0-0 13.Ne5 c4 14.Qc2 Qc7; E4) 10.dc5 ab5 11.cd5 Bd5 12.e4 Bb7 13.Bb5 bc5 14.0-0 0-0.

9.cd5 A) 9...ed5 A1) 10.dc5 bc5 (10...Nc5 11.Nc3 0-0 12.0-0 Rc8 13.Nd4 Qd7 14.Rc1 h6) 11.Nc3 0-0 12.0-0 Qc7 13.h3 h6 14.Rb1 Rfe8; A2) 10.Nc3 0-0 (10...Bd6 11.dc5 bc5 12.Qc2 0-0 13.0-0 Re8 14.Rad1 Qa5; 10...Qc7 11.dc5 bc5 12.a4 0-0 13.0-0 h6 14.a5 Rae8) 11.0-0 Qc7 12.dc5 bc5 13.a4 h6 14.a5 Rae8; A3) 10.h3 a6 (10...0-0 11.Nc3 c4 12.0-0 Qc7 13.Qc2 Rfe8 14.a4 Bb4; 10...c4 11.0-0 Qc7 12.Nc3 0-0 13.Qc2 Rfe8 14.a4 Bb4) 11.ba6 Ba6 12.Nc3 Be2 13.Qe2 0-0 14.dc5 bc5; A4) 10.0-0 0-0 (10...Qc7 11.h3 c4 12.Nc3 0-0 13.Qc2 Bd6 14.a4 Rfe8; 10...h6 11.Ne5 Qc7 12.Qc2 0-0 13.Nd2 a6 14.a4 c4) 11.Nc3 Qc7 12.dc5 bc5 13.a4 Bd6 14.a5 Ne5; B) 9...Bd5 B1) 10.0-0 Bb7 (10...0-0 11.Nc3 Bb7 12.Rc1 Qc7 13.Qa4 e5 14.Rfe1 Rfe8; 10...Qc7 11.Nc3 Bb7 12.Qc2 0-0 13.Rac1 Rfd8 14.Qa4 e5) 11.Nc3 0-0 12.Rc1 Qc7 13.h3 a6 14.a4 a5; B2) 10.Nbd2 0-0 (10...Qc7 11.0-0 0-0 12.Qc2 Qb7 13.Rac1 Rac8 14.Bc4 Rfd8; 10...Rc8 11.0-0 0-0 12.Rc1 cd4 13.Bd4 Rc1 14.Qc1 Qb8) 11.0-0 Qc7 12.Rc1 Rac8 13.Qa4 h6 14.Rfd1 Qb7; B3) 10.Nc3 Bb7 (10...Rc8 11.Nd5 Nd5 12.e4 N5f6 13.e5 Nd5 14.Bc4 0-0; 10...0-0 11.Nd5 Nd5 12.0-0 Qc7 13.Rc1 Rac8 14.Qd2 Rfd8) 11.0-0 0-0 12.Qc2 Qc7 13.Rac1 Rfd8 14.Qa4 e5; C) 9...Nd5 C1) 10.Nc3 cd4 (10...Rc8 11.Nd5 Bd5 12.0-0 cd4 13.Nd4 0-0 14.Rc1 Bf6; 10...0-0 11.0-0 Qc7 12.Rc1 Nc3 13.Bc3 Rfd8 14.Qa4 Rac8) 11.Qd4 Bf6 12.Qd2 Nc5 13.Nd5 Bd5 14.Bf6 Qf6; C2) 10.Nbd2 0-0 (10...cd4 11.Nd4 Rc8 12.0-0 0-0 13.Nc4 Nc5 14.Rc1 Qc7; 10...Rc8 11.0-0 0-0 12.Rc1 cd4 13.Nd4 Nc5 14.Nc4 Qc7) 11.0-0 a6 12.a4 ab5 13.Bb5 Qc7 14.e4 N5f6; C3) 10.Bc4 Rc8 (10...cd4 11.Bd4 0-0 12.0-0 Rc8 13.Nbd2 Bf6 14.Bf6 Qf6; 10...0-0 11.0-0 Qc7 12.dc5 Nc5 13.Be5 Qc8 14.Nbd2 f6) 11.Nbd2 cd4 12.Bd4 0-0 13.0-0 Bf6 14.Bf6 Qf6; C4) 10.0-0 cd4 (10...Rc8 11.Nbd2 0-0 12.Rc1 cd4 13.Nd4 Nc5 14.Nc4 Qc7; 10...0-0 11.Nc3 Qc7 12.Rc1 Rac8 13.Nd5 Bd5 14.Bc4 Qb7) 11.Nd4 Rc8 12.Nd2 0-0 13.Nc4 Nc5 14.Rc1 Qc7.

8.Nc3 Bb7 9.d4 Ne4 (9...a6 10.ba6 Ba6 11.Ba6 Ra6 12.0-0=) 10.Ne4 Be4 11.Rc1 Bb4 12.Nd2 Qg5 (better 12...a6!?+=) 13.Bc3+– Bc3 14.Rc3 Bb7 (14...Bg2?? 15.Rg1+–) 15.Rc7 Rb8 16.Nc4 Bg2 (better 16...Qd5!? 17.Qa4 Kd8 18.Rd7 Qd7 19.Qa7 Qc7+–) 17.Rg1+– Qd8 18.Rd7 Qd7 19.Bg2 0-0 20.Bc6 Qe7 21.a3 Rfd8 22.Qg4 g6 (22...f6 23.Qh4 g6 24.Qe4+–) 23.h4 Rbc8 (23...a6 24.h5 ab5 25.hg6 hg6 26.Bb5+–) 24.h5 Qf6 25.Rg3 Rc7 26.hg6 hg6 27.Ne5 Rdc8 (27...Qf5+–) 28.Rf3 Qg7 29.Nf7! Rf7 (29...Qf7 30.Rf7 Kf7 31.Qf4 Ke7 32.Qg5 Kf7 33.Be4+–) 30.Qe6 Rd8 31.Be8 Re8 32.Qe8 Qf8 33.Qf8 Rf8 34.Rf8 Kf8 1–0. marekt – bolaf, ChessWorld.net, 2003.

8.Nc3 Bb7 9.Be2 Be7 10.d4 0-0 11.0-0 c6 (11...a6 12.a4+=) 12.a4 (12.bc6 Bc6 13.h3 a6+=) 12...Qc7 (12...c5 13.Qc2=) 13.Rc1 (13.bc6 Bc6 14.Rc1 Qb7+=) 13...Rad8 (13...c5!?=) 14.bc6+= Bc6 15.Bb5 Bb7 (15...Bb5 16.ab5 Qb7 17.Qa4+=) 16.Nd5 Qd6 17.Ne7 Qe7 18.Rc7 Bf3 (18...Bd5 19.Qc1 Qd6 20.Ne5+–) 19.Qf3+– Qb4 (19...Rc8 20.Rfc1 Rc7 21.Rc7+–) 20.Qe2 a5 (20...Rc8 21.Ra7 (worse 21.Rd7 a6 22.d5 ab5 23.Bf6 gf6+–) 21...Qb3 22.Rb1+– (worse 22.Bd7 Rc2 23.Qb5 Qb2+–; 22.Rd7 Nd7 23.Bd3 Rc7–/+)) 21.Rfc1 Nb8 22.R1c4 Qd6 23.e4 Qf4 24.f3 (better 24.Ba3 Qe4 25.Qe4 Ne4 26.Bf8 Rf8 27.Rc8+–) 24...h6?? (better 24...Ne8 25.Be8 Rfe8+–) 25.g3 Qg5 26.Ba3 Nfd7 (26...e5 27.Bf8 Kf8 28.Rc8+–) 27.Bf8 (27.Rb7 e5 28.Bf8 Nf8+–) 27...Kf8 (27...Nf8 28.Rb7 Nbd7 29.e5+–) 28.Rb7 e5 (28...Kg8 29.Rcc7 Nf6 30.Kg2+–) 29.Rcc7 Ke8 (29...Qe7 30.de5 Qe5 31.Qd2+–) 30.Qa2 ed4 (30...Qf6 31.Rb8! Rb8 32.Rd7+–) 31.Rb8! Qf6 (31...Rb8 32.Bd7 Deflection (32.Bd7 Remove defender; 32.Bd7 Overloading)) 32.Rd8 (32.Rd7 Rb8 33.Rf7 Kd8 34.Qd5 Qd6 35.Qd6 Kc8 36.Rc7) 32...Kd8 (32...Qd8 33.Qc4 h5 34.Rd7 Qd7 35.Qc8 Ke7 36.Qd7 Kf6 37.Qd6 Kg5 38.h4) 33.Rd7 (33.Rd7 Kc8 34.Qd5 Qc6 35.Qc6 Kb8 36.Qb7) 1–0. GuestMBDD – GuestTMXG, freechess.org, 2019.

8.Nc3 Nc5 9.Nd5+= Nd5 10.Bc4 f6 (10...Bd6 11.0-0 0-0 12.d4+/–) 11.0-0 Be7 12.Nd4 Qd7 (12...Qd6 13.Ne6! Qe6 14.Qh5 g6 15.Qd5 Qd5 16.Bd5+/–) 13.Ne6! Qe6 (13...Ne6 14.Qh5) 14.Qh5 g6 15.Qd5 Qc8?? (better is 15...Qd5 16.Bd5 0-0-0+/–) 16.Qf7 (better is 16.Bf6 Rf8 17.Bg7+–) 16...Kd7 (16...Kd8 17.Bf6 Re8+–) 17.Bf6 Qe8 18.Qd5 Bd6 19.Qc6 Kc8 20.Qa8 Kd7 21.Qc6 Kc8 22.Bh8 Nd7 23.Bd5 Kd8 24.Qa8 Ke7 25.Bc6 Qa8 26.Ba8 Nc5 27.d4 (27...Ne6 28.e4+–) 1–0. De Visser,A – Fischer,W, corr ICCF, 1986.

8.Be2 Bb4 A) 9.Nc3 A1) 9...Bb7 10.Qa4 (10.0-0 0-0 11.Qa4 Bd6 12.d4 Qe7 13.Rfd1 Rfc8 14.Rac1; 10.Qc2 0-0 11.0-0 a6 12.a4 h6 13.ba6 Ba6 14.Ba6; 10.Qb3 Bd6 11.d4 0-0 12.0-0 a6 13.a4 h6 14.Nd2; 10.d4 a6 11.Qb3 Bc3 12.Bc3 ab5 13.Bb5 0-0 14.a4; 10.Nd4 0-0 11.0-0 e5 12.Nc6 Bc6 13.bc6 Nc5 14.Rb1; 10.a3 Bd6 11.0-0 0-0 12.Qc2 h6 13.a4 Qe7 14.Nd4) 10...Bd6 11.0-0 0-0 12.d4 Qe7 13.Rfd1 Rfc8 14.Rac1; A2) 9...Nc5 10.0-0 (10.Nd5 Qd5 11.0-0 0-0 12.Qc2 Nce4 13.Rab1 Bd6 14.d3) 10...Bc3 11.Bc3 0-0 12.d4 Nce4 13.Bb4 Nd6 14.Ne5; A3) 9...Bc3 10.Bc3 (10.dc3 0-0 11.0-0 Qe7 12.Nd4 Nc5 13.f3 e5 14.Nf5) 10...Qe7 11.0-0 0-0 12.Qc2 Ne4 13.Bb2 e5 14.d3; B) 9.0-0 B1) 9...Bb7 10.Na3 (10.Qc2 0-0 11.Nd4 Nc5 12.a3 Ba5 13.Nc3 Qd7 14.f4; 10.Nc3 0-0 11.Qa4 Bd6 12.d4 Qe7 13.Rfd1 h6 14.Bd3; 10.Qa4 Bd6 11.Na3 Nc5 12.Qc2 Be4 13.d3 Nd3 14.Bd3; 10.Qb3 Bd6 11.d4 a6 12.Nc3 0-0 13.a4 h6 14.Nd2; 10.Ba3 Ba3 11.Na3 a6 12.Qc2 0-0 13.ba6 Be4 14.d3) 10...0-0 11.Nc4 a6 12.a3 Be7 13.a4 Nc5 14.Nfe5; B2) 9...Qe7 10.Qc2 (10.a3 Bd6 11.Nc3 Bb7 12.Qc2 0-0 13.Nd4 a6 14.a4; 10.Nc3 Bc3 11.Bc3 0-0 12.Qc2 Ne4 13.Bb2 Qc5 14.Rfc1; 10.Nd4 0-0 11.Qc2 Nc5 12.Nc3 Bc3 13.Bc3 a6 14.f3) 10...0-0 11.Nc3 Bb7 12.Nd4 a6 13.ba6 Ba6 14.Ba6; B3) 9...0-0 10.Nc3 (10.Qc2 Nc5 11.Bd4 c6 12.Ng5 Nce4 13.Ne4 Be4 14.Bf6; 10.Qa4 Qe7 11.Rc1 Bd6 12.Nc3 Bb7 13.d4 h6 14.h3; 10.a3 Ba5 11.Nc3 Bc3 12.Bc3 Rc8 13.Bb4 Re8 14.Rc1) 10...Bb7 11.Qa4 Bd6 12.d4 Qe7 13.Rfd1 h6 14.Bd3; C) 9.Qc2 C1) 9...0-0 10.0-0 (10.Nc3 Bb7 11.0-0 a6 12.a4 Qe7 13.h3 ab5 14.ab5) 10...Nc5 11.Bd4 c6 12.Qb2 Ba5 13.bc6 Bc6 14.Ne5; C2) 9...Nc5 10.Bd4 (10.Nc3 Bc3 11.Bc3 Be4 12.Qb2 0-0 13.0-0 a6 14.ba6; 10.0-0 0-0 11.Nc3 Bc3 12.Bc3 Be4 13.Qb2 a6 14.ba6) 10...Qd6 11.Nc3 Bc3 12.Qc3 Nce4 13.Qb2 Ng4 14.Rf1; C3) 9...Ne4 10.0-0 (10.Nc3 Bc3 11.dc3 Nec5 12.0-0 Be4 13.Qd2 Bf3 14.Bf3; 10.Bc3 Qe7 11.0-0 0-0 12.Bb4 Qb4 13.Rc1 Rac8 14.Nc3) 10...0-0 11.d3 Nd6 12.Nc3 Bb7 13.a3 Ba5 14.d4; D) 9.a3 D1) 9...Bd6 10.Nc3 (10.0-0 0-0 11.Nc3 Bb7 12.Qc2 h6 13.h3 Qe7 14.d4; 10.h3 0-0 11.Nc3 Bb7 12.0-0 a6 13.a4 ab5 14.ab5) 10...Bb7 11.0-0 0-0 12.Qc2 h6 13.h3 Qe7 14.d4; D2) 9...Bc5 10.Nc3 (10.0-0 Bb7 11.Nc3 0-0 12.Qc2 a6 13.d4 Bd6 14.a4; 10.Qc2 Be4 11.d3 Bg6 12.Qc4 0-0 13.0-0 Bd6 14.Nc3; 10.d4 Bd6 11.Nc3 Bb7 12.0-0 0-0 13.Qc2 a6 14.a4; 10.Qa4 Bd6 11.Nc3 Nc5 12.Qc2 Bb3 13.Qb1 0-0 14.d4) 10...Bb7 11.0-0 0-0 12.Qc2 a6 13.d4 Bd6 14.a4; D3) 9...Be7 10.Nc3 (10.0-0 0-0 11.Nc3 Bb7 12.Qc2 h6 13.h3 Bd6 14.a4) 10...Nc5 11.0-0 0-0 12.Nd5 Qd5 13.Ne5 Qb3 14.Qb3; E) 9.Qa4 E1) 9...Qe7 10.Nc3 (10.0-0 0-0 11.g3 e5 12.Nc3 Bc3 13.Bc3 Ne4 14.Qb4) 10...Bc3 11.Bc3 0-0 12.d4 c5 13.bc6 Bc6 14.Qb4; E2) 9...Ba5 10.0-0 (10.Nc3 Nc5 11.Qc2 Bc3 12.Bc3 Be4 13.Qb2 0-0 14.0-0; 10.Qa3 Qe7 11.Qe7 Ke7 12.Nc3 Bc3 13.Bc3 c6 14.bc6; 10.Qd4 c5 11.bc6 Bc6 12.Na3 0-0 13.Nc4 Bb4 14.0-0) 10...Nc5 11.Qa3 0-0 12.Rc1 Nce4 13.Nc3 Nc3 14.Bc3; E3) 9...Be7 10.d4 Ne4 11.Nc3 Nc3 12.Bc3 0-0 13.0-0 Nf6 14.Rac1; E4) 9...Bd6 10.Nc3 (10.0-0 Nc5 11.Qh4 0-0 12.Nc3 Bb7 13.d4 Nce4 14.Ne5; 10.Qc2 Be4 11.d3 Bb7 12.Nc3 0-0 13.0-0 a6 14.a4) 10...Bb7 11.0-0 0-0 12.d4 Qe7 13.h3 Rfc8 14.Rfd1.

8.Be2 Bb7 A) 9.Nc3 A1) 9...Bd6 10.0-0 (10.Qc2 0-0 11.0-0 a6 12.a4 h6 13.d4 Qe7 14.h3; 10.h3 0-0 11.0-0 a6 12.Qc2 Ne5 13.Ne5 Be5 14.a4; 10.Nd4 Nc5 11.0-0 0-0 12.f4 a6 13.a4 e5 14.Nf5; 10.a4 0-0 11.0-0 h6 12.Qc2 c5 13.bc6 Bc6 14.Nb5) 10...0-0 11.Qc2 a6 12.a4 h6 13.d4 Qe7 14.h3; A2) 9...Bb4 10.0-0 (10.Qa4 Bd6 11.0-0 0-0 12.d4 Qe7 13.Rac1 h6 14.h3; 10.Qc2 0-0 11.0-0 a6 12.a4 h6 13.Nd4 Nc5 14.f3; 10.Nd4 0-0 11.0-0 e5 12.Nc6 Bc6 13.bc6 Nc5 14.Rb1; 10.Qb3 Bd6 11.0-0 0-0 12.d4 a6 13.a4 Qe7 14.h3) 10...0-0 11.Qa4 Bd6 12.d4 Qe7 13.Rfd1 Rfc8 14.Rac1; A3) 9...Bc5 10.d4 (10.Qc2 0-0 11.0-0 a6 12.d4 Bd6 13.a4 Qe7 14.h3; 10.0-0 0-0 11.Qc2 a6 12.a4 Qe7 13.d4 Bd6 14.h3; 10.a4 Bd6 11.0-0 0-0 12.Qc2 c5 13.bc6 Bc6 14.Nb5; 10.h3 a6 11.a4 ab5 12.ab5 Ra1 13.Qa1 0-0 14.0-0; 10.Qa4 0-0 11.0-0 Bd6 12.d4 Qe7 13.Rac1 Rfc8 14.h3; 10.Qb3 Bd6 11.0-0 0-0 12.d4 Qe7 13.h3 a6 14.a4) 10...Bd6 11.0-0 0-0 12.Qc2 a6 13.ba6 Ba6 14.Ba6; A4) 9...Be7 10.0-0 (10.Qc2 a6 11.0-0 ab5 12.Nb5 c6 13.Nbd4 c5 14.Nb5) 10...0-0 11.Qc2 a6 12.a4 h6 13.h3 Bb4 14.Nd4; A5) 9...h6 10.Nd4 (10.0-0 Bd6 11.Qc2 a6 12.ba6 Ba6 13.Ba6 Ra6 14.Nb5; 10.Qc2 a6 11.ba6 Ba6 12.Ba6 Ra6 13.0-0 Bd6 14.Nb5; 10.d4 Bd6 11.0-0 0-0 12.Qc2 Rc8 13.e4 Bb4 14.Bd3) 10...Bd6 11.0-0 0-0 12.Qc2 Nc5 13.Nc6 Bc6 14.bc6; A6) 9...a6 10.ba6 (10.0-0 Bd6 11.ba6 Ba6 12.Ba6 Ra6 13.Qe2 Qa8 14.Nb5; 10.a4 Bd6 11.0-0 0-0 12.Qc2 h6 13.d4 Qe7 14.h3) 10...Ba6 11.Ba6 Ra6 12.0-0 Be7 13.Qe2 Ra8 14.Rfc1; B) 9.Na3 Ba3 10.Ba3 a6 11.ba6 Ba6 12.d3 Bb7 13.Qc1 Bf3 14.gf3; C) 9.0-0 C1) 9...a6 10.Nc3 (10.ba6 Ba6 11.Nc3 Be2 12.Qe2 Be7 13.Rfc1 0-0 14.Nb5) 10...Bd6 11.Qc2 0-0 12.a4 h6 13.h3 ab5 14.ab5; C2) 9...Bc5 10.Nc3 (10.Qa4 Bd6 11.Nc3 0-0 12.d4 Qc8 13.Qb3 h6 14.Nd2; 10.d4 Bd6 11.Nc3 0-0 12.Qa4 Qc8 13.Qb3 h6 14.Nd2; 10.Qc2 0-0 11.Nc3 a6 12.d4 Bd6 13.ba6 Ba6 14.Ba6; 10.Qb3 a6 11.d4 Bd6 12.Nc3 0-0 13.a4 Qe7 14.Qc2; 10.Na3 a6 11.ba6 Ba6 12.Nc4 0-0 13.d4 Be7 14.Qc2; 10.a4 0-0 11.Nc3 Bd6 12.g3 a5 13.Qc2 h6 14.d4) 10...0-0 11.Qa4 Bd6 12.d4 Qc8 13.Qb3 h6 14.Nd2; C3) 9...Bb4 10.Nc3 (10.Qa4 Bd6 11.Nc3 0-0 12.d4 Qe7 13.Rac1 h6 14.h3; 10.Qc2 0-0 11.Nd4 Nc5 12.a3 Ba5 13.Nc3 Qd6 14.f3; 10.g3 0-0 11.Qb3 Bd6 12.Nc3 a6 13.a4 Qe7 14.Qc2) 10...0-0 11.Qa4 Bd6 12.d4 Qc8 13.Qb3 h6 14.Nd2; C4) 9...Bd6 10.Na3 (10.a4 0-0 11.Na3 Nc5 12.Nc4 Nd5 13.Qc2 a5 14.ba6; 10.Nc3 0-0 11.Qc2 a6 12.a4 h6 13.d4 Qe7 14.h3; 10.Qc2 0-0 11.Nc3 a6 12.ba6 Ba6 13.Nb5 Nd5 14.a4) 10...a6 11.Nc4 ab5 12.Nd6 cd6 13.Bb5 0-0 14.Qe2; C5) 9...h6 10.Na3 (10.Qc2 Bc5 11.d4 Be7 12.Nc3 0-0 13.Ne5 Ne5 14.de5; 10.Nd4 Bd6 11.Na3 0-0 12.Nc4 Nc5 13.Bf3 Bf3 14.Qf3; 10.Nc3 Bd6 11.Qc2 0-0 12.Nd4 Qe7 13.f4 e5 14.Nf5; 10.h3 a6 11.Nc3 Bd6 12.Qc2 0-0 13.a4 Ne5 14.Ne5) 10...Be7 11.Nd4 0-0 12.Nc4 Nc5 13.Qc2 a6 14.a4; C6) 9...Be7 10.Nc3 (10.Qc2 0-0 11.Nc3 a6 12.a4 h6 13.h3 Bb4 14.Nd4; 10.a4 0-0 11.Nc3 Bd6 12.h3 h6 13.Qc2 c5 14.bc6; 10.Nd4 0-0 11.Nc3 a6 12.a4 ab5 13.ab5 Ra1 14.Ba1; 10.h3 a6 11.ba6 Ba6 12.Ba6 Ra6 13.Nc3 0-0 14.Qe2; 10.Na3 0-0 11.Qc2 a6 12.ba6 Ba6 13.Ba6 Ra6 14.Nb5; 10.a3 0-0 11.Nc3 a6 12.a4 ab5 13.ab5 Ra1 14.Qa1) 10...0-0 11.Qc2 a6 12.a4 h6 13.h3 Bb4 14.Nd4.

8.Be2 Nc5 9.0-0 A) 9...Bb7 10.Nc3 (10.d4 Nce4 11.Ne5 Nd7 12.f3 Nd6 13.Nc6 Qh4 14.Nd2; 10.Na3 Nd3 11.Bd4 Nf2 12.Rf2 Ba3 13.Ne5 0-0 14.Qc2; 10.Ne5 Bd6 11.f4 Nd5 12.Nc3 Be5 13.fe5 0-0 14.Nd5; 10.h3 a6 11.d4 Nce4 12.Ne5 Nd7 13.Qc2 Ne5 14.de5; 10.g3 a6 11.d4 Nce4 12.Ne5 Nd7 13.Nc6 Qg5 14.Qc2) 10...Bd6 11.Qc2 0-0 12.d4 Nce4 13.Ne5 Nc3 14.Bc3; B) 9...Be7 10.Nc3 0-0 11.Qc2 Bb7 12.d4 Nce4 13.Ne5 Nc3 14.Bc3; C) 9...c6 10.d4 Ncd7 11.Nc3 Bb4 12.Rc1 0-0 13.Bd3 Bc3 14.Bc3; D) 9...Rc8 10.Nc3 c6 11.bc6 Bc6 12.Ne5 Bd6 13.Nc6 Rc6 14.Bb5; E) 9...Bd6 10.Nc3 (10.g3 Rc8 11.Nc3 c6 12.Nd5 cd5 13.Ne5 0-0 14.Rc1; 10.d4 Nce4 11.Qc2 0-0 12.Ne5 Nd7 13.f3 Nef6 14.Nd2) 10...0-0 11.Qc2 Bb7 12.d4 Nce4 13.Ne5 Nc3 14.Bc3.

8.Be2 Bd6 A) 9.Nc3 A1) 9...c5 10.Nd5 (10.Qc2 Bb7 11.0-0 0-0 12.Rfd1 Qe7 13.d4 Rfd8 14.h3; 10.bc6 Bc6 11.Nd4 Bb7 12.Ndb5 Be7 13.0-0 0-0 14.Rc1) 10...ed5 11.0-0 0-0 12.Qc2 Qe7 13.h3 Ne5 14.Qa4; A2) 9...Bb7 10.h3 (10.0-0 0-0 11.Qc2 a6 12.a4 h6 13.h3 Ne5 14.Ne5; 10.Qc2 0-0 11.0-0 a6 12.ba6 Ba6 13.Nb5 h6 14.a4; 10.Nd4 0-0 11.0-0 a6 12.Nc6 Bc6 13.bc6 Ne5 14.Qc2; 10.a4 Nc5 11.0-0 0-0 12.d4 Nce4 13.Qc2 Nc3 14.Bc3; 10.Qa4 0-0 11.d4 a6 12.ba6 Ba6 13.Ba6 Nb8 14.a3; 10.h4 0-0 11.Qc2 a6 12.ba6 Ba6 13.Nb5 h6 14.Nd6) 10...0-0 11.0-0 a6 12.Qc2 ab5 13.Nb5 Nc5 14.Nd6; B) 9.Qc2 Be4 10.d3 Bb7 11.0-0 a6 12.Nc3 0-0 13.a4 h6 14.d4; C) 9.h3 C1) 9...c5 10.0-0 (10.Na3 0-0 11.0-0 Qe7 12.Nc4 Bc7 13.Qc2 e5 14.Qf5; 10.Nc3 Bb7 11.Qa4 0-0 12.0-0 Ne5 13.Ne5 Be5 14.Rad1; 10.Qa4 0-0 11.0-0 h6 12.Nc3 Bb7 13.Rfd1 Qc8 14.d4; 10.Qc2 0-0 11.Na3 Ne4 12.Nc4 Bc7 13.0-0 f5 14.g3) 10...0-0 11.Na3 Bc7 12.Qc2 Qe7 13.Nc4 e5 14.Qf5; C2) 9...Qe7 10.Nc3 (10.0-0 0-0 11.Nc3 Bb7 12.Qc2 c5 13.bc6 Bc6 14.Rac1; 10.Qc2 Be4 11.d3 Bb7 12.0-0 a6 13.Nc3 0-0 14.a4; 10.d4 0-0 11.Nc3 Bb7 12.Qa4 a6 13.ba6 Ba6 14.Ba6) 10...Bb7 11.0-0 0-0 12.Qc2 c5 13.bc6 Bc6 14.Nd4; C3) 9...h6 10.Nc3 (10.0-0 0-0 11.Nc3 Bb7 12.Qc2 a6 13.a4 Ne5 14.Ne5; 10.Qc2 Be4 11.d3 Bb7 12.Nc3 0-0 13.0-0 a6 14.a4; 10.a4 c5 11.Nc3 Bb7 12.0-0 0-0 13.Re1 Rb8 14.d3) 10...Bb7 11.0-0 0-0 12.Qc2 a6 13.a4 Ne5 14.Ne5; C4) 9...c6 10.Nc3 (10.0-0 0-0 11.Nc3 Rc8 12.Rc1 Ne4 13.Ne4 Be4 14.bc6) 10...0-0 11.0-0 Rc8 12.Rc1 Nc5 13.Nd5 cd5 14.Nd4; C5) 9...Bb7 10.Na3 (10.Nc3 0-0 11.0-0 Qe7 12.Qc2 c5 13.bc6 Bc6 14.Rac1; 10.0-0 0-0 11.Nc3 Qe7 12.Qc2 c5 13.bc6 Bc6 14.Rac1; 10.Qc2 0-0 11.Nc3 c5 12.bc6 Bc6 13.0-0 Qe7 14.Rac1) 10...a6 11.Nc4 0-0 12.0-0 ab5 13.Nd6 cd6 14.Bb5; C6) 9...Rc8 10.Nc3 (10.0-0 0-0 11.Nc3 c6 12.Nd4 Nc5 13.bc6 Bc6 14.Nc6; 10.d3 0-0 11.0-0 Qe7 12.Nbd2 e5 13.Rc1 Ba3 14.Qc2) 10...Bb7 11.0-0 0-0 12.Rc1 h6 13.d4 c5 14.bc6; C7) 9...0-0 10.Nc3 Bb7 11.0-0 a6 12.Qc2 ab5 13.Nb5 Nc5 14.Nd6; D) 9.0-0 D1) 9...c5 10.Qc2 (10.Nc3 Bb7 11.Qa4 0-0 12.d4 Qc8 13.Rfd1 a6 14.dc5; 10.g3 0-0 11.Nc3 Bb7 12.Qa4 h6 13.d4 Qc8 14.Rfd1; 10.bc6 Bc6 11.Nd4 Bb7 12.Nb5 Qb8 13.f4 0-0 14.N1a3; 10.Qa4 0-0 11.Na3 Qc7 12.Nc4 Bc4 13.Qc4 Ne5 14.Qc2; 10.Na3 0-0 11.Nc4 Qc7 12.h3 Be7 13.Qc2 a6 14.ba6; 10.h3 0-0 11.Qc2 Qe7 12.Nc3 Bb7 13.Rad1 Ne5 14.Ng5) 10...h6 11.Na3 0-0 12.Nc4 Qc7 13.h3 Be7 14.d3; D2) 9...a6 10.ba6 (10.Nc3 Bb7 11.Qc2 0-0 12.a4 h6 13.g3 Qe7 14.Nd4) 10...0-0 11.Nc3 Bf3 12.Bf3 Ra6 13.d4 Ra5 14.Qb3; D3) 9...0-0 10.Nc3 (10.d4 Bb7 11.Qa4 a6 12.ba6 Ba6 13.Ba6 Nb8 14.Qc4; 10.Na3 a6 11.ba6 Nc5 12.Nc4 Na6 13.Nd6 cd6 14.d3) 10...Bb7 11.Qc2 a6 12.a4 h6 13.d4 Qe7 14.g3.

8.Be2 Be7 9.0-0 0-0 (9...c5 10.Nc3 (10.Qc2 0-0 11.Nc3 Bb7 12.Rad1 Qc7 13.d4 Rfd8 14.g3; 10.Qa4 0-0 11.Nc3 Bb7 12.h3 Qc7 13.Rfd1 Ne5 14.Ne1; 10.bc6 Bc6 11.Nd4 Bb7 12.Na3 0-0 13.Nc4 Nc5 14.Rc1; 10.h3 0-0 11.Nc3 Bb7 12.Qc2 Qc7 13.Rac1 h6 14.d3; 10.g3 0-0 11.Nc3 Bb7 12.Qa4 Qc7 13.Rad1 h6 14.Rfe1) 10...Bb7 11.Qc2 0-0 12.d4 Qc7 13.Rfd1 h6 14.Rac1; 9...Bb7 10.Nc3 (10.Qc2 0-0 11.Nc3 a6 12.a4 h6 13.h3 Bb4 14.ba6; 10.Na3 0-0 11.Qc2 a6 12.ba6 Ba6 13.Ba6 Ra6 14.Nb5; 10.a4 0-0 11.Nc3 Bd6 12.g3 Qe7 13.Nd4 Nc5 14.Qc2) 10...0-0 11.Qc2 a6 12.a4 h6 13.h3 Bd6 14.Nd4; 9...h6 10.Nc3 (10.Qc2 Bb7 11.Nd4 0-0 12.Nc6 Bc6 13.bc6 Nc5 14.Nc3; 10.Nd4 0-0 11.Nc3 Bb7 12.Qc2 Nc5 13.Nc6 Bc6 14.bc6; 10.h3 0-0 11.Nc3 Bb7 12.Qc2 Bd6 13.Nd4 Qe7 14.Rfe1; 10.d4 0-0 11.Nc3 Bb7 12.Qa4 Qc8 13.Qb3 Bd6 14.Nd2) 10...Bb7 11.Qc2 0-0 12.Nd4 Bb4 13.Na4 Re8 14.a3; 9...a6 10.ba6 0-0 11.Nc3 Bf3 12.Bf3 Ra6 13.d4 Ra5 14.Qb3; 9...Ne4 10.d3 (10.Nd4 0-0 11.Qc2 Bc5 12.f3 Nd6 13.Nc6 Qg5 14.h4) 10...Bf6 11.Qc2 Bb2 12.Qb2 Qf6 13.Nd4 Nec5 14.Nc3; 9...Bd6 10.Nc3 (10.Nd4 Bb7 11.Nc3 0-0 12.Qc2 Nc5 13.Nc6 Bc6 14.bc6; 10.g3 0-0 11.Nc3 Bb7 12.Qc2 h6 13.Nd4 Qe7 14.a4; 10.Qc2 0-0 11.Nc3 Bb7 12.Nd4 h6 13.f4 Qe8 14.Nc6; 10.h3 0-0 11.Nc3 Bb7 12.Qc2 h6 13.Nd4 Qe7 14.Rfe1; 10.d4 0-0 11.Nc3 Bb7 12.Qc2 a6 13.ba6 Ba6 14.Ba6) 10...Bb7 11.Nd4 0-0 12.Qc2 Qe7 13.f4 e5 14.Nf5) 10.d3 (10.Nc3 Bb7 11.Qc2 h6 12.Nd4 Bb4 13.Na4 Bd6 14.Nc6) 10...Qc8 (10...a6 11.ba6 Ra6 12.d4 Ra5 13.Nc3 Bc6 14.a4) 11.e4 (11.Nc3 a6 12.a4 c5 13.Qc2 ab5 14.ab5) 11...Bb7 12.Nbd2 Rd8 (12...a6 13.a4 Nc5 14.Nc4) 13.Nb3 (13.Nc4 Nc5 14.Qc2) 13...Nf8 (13...a6 14.a4=) 14.Qc2 c5 15.bc6 Qc6 16.Qb1 Ba6 17.Nbd4 Qb7 18.Rc1 Rac8 19.Rc8 Rc8 20.Qf1 N8d7 21.a4 Bc5 22.Nb3 Bb4 23.Rc1 Rc1 24.Qc1 Ne4! 25.de4 Be2 26.Qg5 Bf8 27.Nfd2 Bd1 28.Nd4 Ba4 29.Qd8 (29.N4f3 Bd1–+) 29...Qb8 30.Qg5 Qd6 31.N4f3 Qc5 32.Nf1 (32.Qd8 Qc2 33.Ba3 Bc6–+) 32...Qg5 33.Ng5 Be7 34.Nf3 Bc6 35.N1d2 Bb4 36.Kf1 Bd2 (36...Bb5!? 37.Ke1–+) 37.Nd2 Nc5 38.f3 Bb5 39.Kg1 a5 40.Bd4 Nd7 41.Kf2 a4 42.Nb1 f5 43.e5 Bc6 44.Ke3 b5 45.Kd2 (45.Bc3 g5–+) 45...Nb8 46.Kc3 Na6 47.Kb2 Nb4 48.Bc3 (48.Na3 Nd5–+) 48...Nd5 49.Bd2 f4 (49...b4 50.g3–+) 50.Ka3 (50.Na3 g5–+) 50...g5 51.g3 (51.Ba5 Ne3–+) 51...h5 (better 51...g4!? 52.fg4 f3 53.Be1–+) 52.gf4 gf4 53.Be1 (53.h3 Kg7–+) 53...Ne3 54.Bf2 (54.Bd2 Nc4 55.Kb4 Ne5–+) 54...Nc4 55.Kb4 Ne5 56.Bd4 Nf3 (56...Nf3 57.Bc3 Kf7–+) 0–1. Niephaus,Friedel – Ruf,Walter, Bad Woerishofen Seniors op, 1996.

8.Be2 Be7 9.Nc3 A) 9...Bb7 10.0-0 (10.Qc2 0-0 11.0-0 a6 12.a4 h6 13.h3 Bb4 14.Nd4) 10...0-0 11.Qc2 a6 12.a4 h6 13.h3 Bd6 14.Nd4; B) 9...c5 10.g3 (10.Nd5 Nd5 11.0-0 0-0 12.Rc1 Qc7 13.d4 Rac8 14.Qd2; 10.bc6 Bc6 11.Nd4 Bb7 12.Rc1 0-0 13.0-0 Nc5 14.f3; 10.0-0 Bb7 11.d4 Qc7 12.Qa4 0-0 13.Rac1 e5 14.g3; 10.Qb1 Bb7 11.0-0 0-0 12.h3 Qc7 13.Qc2 h6 14.d3; 10.Qa4 Bb7 11.0-0 0-0 12.Rac1 Bd6 13.h3 Qc7 14.Rfd1; 10.Rc1 Bb7 11.0-0 0-0 12.Qa4 Bd6 13.h3 Ne5 14.Ne5) 10...Bb7 11.0-0 0-0 12.Qc2 Qc7 13.Rfd1 Rfd8 14.d3.

8.Nc3 Nc3 9.Bc3 a6=.

8.Nc3 Nc3 9.Bc3 c6 =.

8.Bc4 a6 9.ba6 Ba6 10.Ba6 Ra6 11.0-0 =.

8.Bc4 N7f6 9.0-0 Bd6 10.d3 Ne7 +=.

8.Bc4 N7f6 9.0-0 Bd6 10.Re1 Nb4 =.

8.Bc4 N7f6 9.0-0 Bd6 10.Re1 Qd7?? 11.e4+– (11...Ne4 12.Re4+–) 1–0. Bonetti,Shane – bluesangel, ICC, 2003.

8.Bc4 N7f6 9.0-0 Bd6 10.Re1 Be7 11.e4 Nb4 12.Qb3 (12.Nc3 0-0+=) 12...Ne4 13.a3 (better 13.Ba3 Bc5 14.Re4 Be4 15.Bb4 Bb4 16.Qb4 Bf3 17.gf3 Qg5 18.Kh1=) 13...Nd2?? (13...Nc5 14.Qb4 Bf3 15.gf3 Nd3=+) 14.Nbd2+– (14.Nfd2?! Nd5+–) 14...Nd5 15.Bg7 Rg8 16.Be5 (16.Bb2 Qd6+–) 16...Bd6 (16...f5 17.Rac1 Qd7 18.Nd4+–) 17.Bg3 (better 17.Bd6 Qd6 18.Ne4+–) 17...Qf6 (17...Bg3 18.hg3 Qe7+–) 18.Bd5 Bd5 (18...0-0-0 19.Bb7 Kb7 20.Ne4+–) 19.Qd5 0-0-0 (19...Qd8+–) 20.Qa8 Kd7 21.Qc6 Kc8 22.Bd6 Rd6 23.Qa8 Kd7 24.Qg8 Rd2 25.Nd2 Qf2 26.Kf2 (26.Kf2 h5 27.Rad1 e5 28.Re5 c5 29.Nc4 Kc7 30.Re7) 1–0. GuestZQRW – GuestGQLR, freechess.org, 2020.

8.Bc4 N7f6 9.0-0 Be7 10.d3 +=.

8.Nd4 Bd6 9.Nc3=.

8.Nd4 e5 9.Nc6= Qg5 10.h4 Qg6 11.Be5?? (better 11.Qb3 N5f6 12.Na3+=) 11...Bc6-+ 12.bc6 (12.h5 Qe6 13.Bd4-+) 12...Ne5 13.f4 (13.Nc3 Nc3 (13...Qc6?? 14.Bb5 0-0-0 15.Bc6 Nc3 16.Qc2 Nc6 17.Qc3+-) 14.dc3 Qc6-+) 13...Nc6 (better 13...Qg3!? 14.Ke2 Bc5 15.Qb3-+) 14.Qf3 Ndb4 (14...0-0-0 15.Bc4 Ndb4 16.Na3-+) 15.Na3 (15.Bb5 a6 16.Bc6 Qc6 17.Qc6 Nc6-+) 15...a6 (15...0-0-0 16.Rd1-+) 16.Be2 Be7 17.0-0 Bh4 18.Rab1 (18.Nc4 Rd8-+) 18...0-0 19.Bc4 (19.Nc4 Na2 20.Ne5 Ne5 21.fe5 Be7-+) 19...b5 20.Bb3 Rad8 21.d4 Rfe8 22.Nc2 (22.Rfc1 Qd3 23.Nc2 Nc2 24.Bc2 Qe3 25.Qe3 Re3 26.Bh7 Kh7 27.Rc6 Rd4 28.Ra6 Rf4-+) 22...Nc2 23.Bc2 Qe6 (better 23...Qc2 24.Rbc1 Qd3 25.Qc6 Qe3 26.Kh1 Rd4 27.Rc3-+) 24.g3 White plans f5 24...Bf6 25.f5 (25.Rfe1 Na5-+) 25...Qd6 (better 25...Qe3!? 26.Qe3 Re3 27.Kg2 Nd4 28.Bd1-+) 26.Be4 (26.Rbd1 Na5 27.Bb3 c5 28.dc5 Qc5-+) 26...Na5 (26...Nd4 27.ed4 Qd4 28.Kh1 Qe4 29.Qe4 Re4 30.Rfe1-+) 27.Rbc1 (27.Rfe1 c5-+) 27...Nc4 28.Rfe1 (28.Rfd1 Qe7 29.Bc6 Qe3 30.Qe3 Re3-+) 28...Re4! 29.Qe4 Qg3 30.Qg2 Qd6 (30...Qh4 31.Qf2-+) 31.Qf3 g6 (31...Bg5!? 32.f6-+) 32.fg6 hg6 33.Re2 Kg7 34.Rg2 (34.Rd1 Re8 35.Kg2 c5-+) 34...Rh8 (better 34...Ne3 35.Rf2 Nf5 36.Qf4 Bd4 37.Qd6 Nd6 38.Kg2 Bf2 39.Kf2-+) 35.Re1 (35.Rf2 Rh5 36.Qf4 Qe6 37.Qf6 Qf6 38.Rf6 Kf6-+) 35...Qb4 (better 35...Ne3 36.Re3 Bd4-+) 36.Ree2 (36.Rf1 Qe7 37.Rgf2 Ne3 38.Qf6 Qf6 39.Rf6 Nf1 40.Rf1-+) 36...Qb1 37.Qf1 Qd3 (37...Rh1 38.Kh1 Qf1 39.Kh2 Ne5 40.Kg3 Qf3 41.Kh2 Ng4 42.Kg1 Ne3 43.Rgf2 Qg3 44.Kh1 Bd4 45.Rf3 Qf3 46.Kg1 Qe2 47.Kh1 Qg2) 38.Qf2 (38.Rgf2 Ne3 39.Rf3 Qc4 40.Ree3 Qd5-+) 38...Qd1 (better 38...Rh3 39.Re1 Ne3-+) 39.Qf1 (39.Re1 Qh5 40.Rh2-+) 39...Rh1! 40.Kf2 (40.Kh1 Qf1 Deflection) 40...Rf1 (40...Qf1 41.Kg3 Bh4 42.Kg4 f5) 41.Kg3 Ne3! (41...Ne3 42.Rgf2 Bh4 43.Kf4 Qd4 44.Kf3 g5 45.Rd2 g4 46.Ke2 Rf2 47.Ke1 Qd2) 0-1. Atotheking (1725) - Ben8682 (1740), lichess.org, 2020.

8.Be2 N7f6 9.0-0 Be7 10.Nc3 0-0 11.a4 c5 12.Rc1 Qc7 13.h3 Rad8 14.Qb3 Nc3 15.Bc3 Ne4 16.Be5 Bd6 17.Bd6 Qd6 18.Rfd1 Qb8 (18...e5 19.d3 Nf6 20.Qc2=) 19.d3 Nf6 20.Ne1 Rd7 21.Bf3 Bf3 22.Nf3 Rfd8 23.d4 cd4 24.Nd4 Ne4 25.Nc6 Rd1 26.Rd1 Rd1 27.Qd1 Qc7 28.Qd4 (28.Na7 Nc3 29.Qb3 Ne2 30.Kf1 Ng3 31.fg3 Qa7+/–) 28...Nc5 (28...f5 29.Qc4 Nc5 30.a5+=) 29.a5 (29.Na7!? e5 30.Qd5+/–) 29...h6+= 30.ab6 ab6 31.Kf1 Kf8 (31...Kh7 32.Qd1=) 32.f3 Nd7 33.Kf2 Nf6 34.Qb4 Ke8 (34...Kg8 35.e4+=) 35.e4 (better is 35.Qa3 e5 36.Qa8 Kd7 37.Qf8+–) 35...Qd7?? (35...Ng8 36.Qd4 Kf8 37.e5+=) 36.Ke3?? (better is 36.Qa3 Ne4 37.fe4+–) 36...g5?? (better is 36...Ng8+/–) 37.Qa3+– Qc7 (37...Nd5 38.ed5 f6 39.Qa8 Kf7 40.Nd8 Kg6 41.Ne6+–) 38.Qa8 Kd7 39.Qf8 Qf4 (39...e5 40.Qe7 Kc8 41.Qf6+–) 40.Ke2 Qc7 41.Qf7 (41...Kc8 42.Qf6+–) 1–0. Zielke,Bernd (1640) – Howe,Dietrich, It (open) Kiel (Germany), 2006.

8.Be2 N7f6 9.0-0 Be7 10.Nc3 0-0 11.Rc1 Rc8 (11...a6 12.Nd5 Nd5 13.a4=) 12.Ne5 (12.Nd5 Bd5 13.Ne5 Bd6+=) 12...Bd6 (12...c5 13.Qa4=) 13.Nd5+= Bd5 (13...Be5 14.Ne7 Qe7 15.Be5+=) 14.Nc6 Bc6 15.Rc6 Nd7 16.d4 Nb8 17.Rc2 c6 18.a4 c5 (18...Qh4 19.g3 Qg5 20.f4+=) 19.Qd3 Qe7 20.f4 cd4 21.Bd4 Rc2 22.Qc2 Nd7 23.Bf3 (23.Bd3 h6+=) 23...Bc5= 24.Rd1 Bd4 25.Rd4 Nc5 26.Bc6 e5 27.fe5 Qe5 28.Qf2 g6 (28...Ne6 29.Rd1=) 29.Qf4+= Qe7 30.Kf2 (30.Qg3 Rd8=) 30...Ne6= 31.Re4 Qc5 32.Qe5? (32.Qf6 Rd8=) 32...Qc2?? (better is 32...Ng5–+) 33.Kg3= Qd2 (33...Nc5 34.Rh4=) 34.Bd5+= Ng7 35.Qd4?? (better is 35.Kh3 Re8 36.Qd4+=) 35…Nf5–+ (36.Kf3 Nd4 37.Rd4 Qe1–+) 0–1. Kucharkowski,Jens – Richter, Freital, 1986.

8.Bc4 a6 9.0-0 =.

8.Bc4 a6 9.a4=.

8.Bc4 a6= 9.Nc3 ab5.

8.Bc4 Nc5 9.d4+= Nce4 10.a3 (10.0-0 Bd6 11.Ne5 Be5 12.de5 Qd1 13.Rd1 Ng4+–) 10...Ng4 (better 10...Bd6!?=+) 11.0-0+= Qf6 (11...Bd5 12.Bd3+–) 12.Qe2 (12.h3 Nh6 13.Qe2+–) 12...Ng5? (12...Qg6 13.h3 Ngf6 14.Ne5=) 13.Ng5?? (better 13.Nfd2 h5 14.f4+–) 13...Qg5+= 14.f4 Qg6 15.Bd3 (15.e4!? Be4 16.Nd2+=) 15...f5= 16.Bc1 Be7 17.Nc3 Bh4 18.e4 (18.Qa2 Qh6 19.h3 Bg3=) 18...0-0 (18...0-0-0 19.d5=) 19.Rf3 (19.h3 Nf6 20.d5 Rfe8 21.de6 Ne4 (21...Re6? 22.Qa2 Rae8 23.e5+–) 22.Ne4 Be4=) 19...Bf6 (19...Rad8!? 20.h3 fe4 21.Be4 Be4 22.Ne4 Rd4–/+) 20.e5= Bf3 (20...Bh4 21.g3=) 21.Qf3 Bh4 22.g3 Rad8 23.d5 (23.gh4? Ne5 24.Qg3 Qg3 25.hg3 Nd3–+) 23...Be7 24.Na4? (better 24.h3 Bc5 25.Kg2=) 24...Rd5 25.Bb2? (25.h3 Rfd8 26.Be2–+) 25...Rfd8 26.Bc4 (26.Be2 Qh5 27.h4 Qe8–+) 26...Rd2 27.h3 (27.Be2 Qh5 28.Qg2–+) 27...Nh2 28.Qb3 (28.Qe3 Rb2! 29.Nb2–+) 28...R2d3! 29.Bd3 (29.Qd3 Bc5 Decoy; 29.Bd3 Qg3 Double attack (29...Qg3 Decoy)) 29...Rd5 (29...Qg3 30.Kh1 Nf3 31.Qe6 Kh8 32.Qg8 Rg8 33.Nb6 Qh3) 30.Kh2+– Bh4 (30...Qh5 31.Kg2 Qg6+–) 31.gh4 Qh5 32.Rg1 (better 32.Rf1 Kf7+–) 32...Qf3 33.Rg3 Qf2 34.Rg2 Qf4 35.Kh1 Qf3 36.Bc4 Rd1 37.Kh2 Qf4 38.Qg3 (38.Qg3 Qg3 39.Kg3+–) 1–0. Schwichtenberg,Juergen (1910) – Wibe,Per H (1805), 7th ch–Euro Senior, Hockenheim GER, 2007.

8.Bc4 Be7 9.0-0 0-0 10.d4 (10.Bf6 Nf6 (< 10...gf6 11.d4+=) 11.d4 c6=+) 10...c5 (10...a6 11.Ba3=) 11.bc6 (11.Nc3 cd4 12.Nd4 a6=) 11...Bc6=+ 12.Nbd2 Nd5 (12...Rc8 13.Rc1=+) 13.e4= Nf4 14.Rc1 Rc8 15.Qb3 Nf6 (15...Bd6 16.Rfd1=) 16.Ba6 (16.g3 b5 17.Bb5 Nh3 18.Kg2 Bb5 19.Qb5 Rb8+=) 16...Rc7 (16...Qd6=) 17.d5 (17.Qe3 Qd6 18.e5+–) 17...ed5–/+ 18.Be5 (18.Nd4 Qd6 19.Nc6 Rc6+–) 18...Bd6 19.Bd6 Qd6 20.e5 Qe6 21.ef6 Qg4 (21...Qf6!? 22.Rfe1 Rd8+/–) 22.g3+– d4 (better is 22...Re8+–) 23.Rc6 Rc6 24.Ne5 Nh3 25.Kg2 Nf4 26.Kh1 (26…Qe6 27.fg7+–) 1–0. Lorentzen,Oeystein – Kupec,Jan, corr 3GMM–10, 1995.

8.Bc4 Be7 9.0-0 0-0 10.d4 Bd5 (10...a6 11.a4=) 11.Nbd2 (11.Bd5 ed5 12.Qc2 a6=) 11...c6 12.Ne5 Bd6 (better 12...cb5!? 13.Bb5 a6=) 13.bc6+– Nb8 14.e4 (14.Bd5 Nd5 15.Rc1 f6+–) 14...Ne4+= (14...Bc6? 15.Nc6 Nc6 16.e5+–) 15.Bd5 ed5 16.Ne4 de4 17.d5 Qc7 18.Qh5 g6? (better 18...b5+=) 19.Ng4+– The mate threat is Nh6 19...f6 (19...gh5?? 20.Nh6) 20.Qh4 (20.Qh4 Be7 21.Bf6 Bf6 22.Nf6 Kh8 23.Ne4+–) 1–0. Dziedzic,Andrzej – Kupec,Jan, corr 3GMM–09 Poland, 1996.

8.0-0 0-0 9.d4 dc4 10.Bc4 Nd5 (10...a6 11.ba6 Ba6 12.Ba6 Ra6 13.Nc3=) 11.Nc3 N7f6 12.Nd5 ed5 13.Bb3 (13.Bd3 a6 14.a4 Qe7=) 13...Ne4 14.Rc1 (14.Qe2=) 14...f5 (14...a6 15.ba6 Ba6 16.Re1-/+) 15.Nd2 (15.Ne5!?+=) 15...Qh4 (15...Qe8 16.Ne4 fe4 17.Qe2=+) 16.f4 g5 (16...Nd2 17.Qd2 Qe7 18.Rf3=+) 17.Ne4 (17.Nf3 Qh6 18.fg5 Ng5+=) 17...fe4= 18.g3 Qh3 19.Qc2 (19.fg5 Bg3 20.hg3 Qg3 21.Kh1 Qh3 22.Kg1 Qg3 23.Kh1 Qh3 24.Kg1 Qg3=) 19...gf4=+ 20.ef4 Qf5 21.Qf2 Kh8 22.Rc2 (22.a4 Rg8=+) 22...Rg8=+ 23.Qg2 Raf8 (better 23...a6 24.a4 h5=+) 24.h3? (better 24.Qe2!?=) 24...h5 (24...Rg3 25.Qg3 Rg8 26.Rc3-+) 25.Kh2 h4! 26.g4 (26.gh4 Bf4 Double attack (26...Rg2 Pinning; 26...Rg2 Deflection)) 26...Bf4 27.Kh1 Qg5 28.Rcf2 Bd6 0-1. Abracadabim (1930) - quikeres_09 (1925), Rated Blitz game, lichess.org, 2015.

8.a4 0-0 9.a5 dc4 10.Bc4 Bf3 (10...a6!? 11.ba6 Ba6 12.Ba6 Ra6 13.ab6 Ra1 14.Ba1 Nb6=) 11.Qf3= Ne5 12.Be5 Be5 13.d4 Bd6 14.0-0 ba5 15.Ra5 (15.Nc3!?+=) 15...c5= 16.Ra4 cd4 17.ed4 Qc7 18.h3 Nd7 (18...Qb6 19.Bd3=) 19.Bd3 (19.Rc1 Nb6 20.Qd1 Na4 21.Qa4 Rfd8–+) 19...Nb6 20.Ra2 Rfd8 21.Qe4 g6 22.Rc2 Qb8 (22...Qd7 23.Nd2=) 23.Nd2 Nd5 24.Be2 Bc7 25.Nf3 Nf6 26.Qh4+= Kg7 27.g4 h6= 28.g5 hg5 29.Qg5 Bf4 30.Qg2 Rh8 31.Ne1 Rh6 32.Nd3 Nd5 33.Bf3 Qb5–/+ 34.Bd5 Qd3 35.Be4 Qb3 36.Qg4 f5?? 37.Qf4+– fe4 38.Rc7 (38...Kh8 39.Qh6 Kg8 40.Qg7#) 1–0. Wessel,Volkmar – Peter,Klaus, Schleswig Holstein–chG, 1990.

8.d4 0-0 9.0-0 Ne4 10.g3 (10.Qc2 c5=) 10...f5 11.Nbd2 Ndf6 12.a4 Qe7 13.Ne5 Bb4 14.Ne4 Ne4 15.Qc2 Rf6 16.f3 Ng5 17.h4 (better is 17.cd5!? ed5 18.Bd3+/–) 17...Nf7= 18.Nd3 Rg6 19.Kf2 (19.Nb4?? Qh4 20.Bd1 Qg3 21.Kh1 Rh6 22.Qh2 Rh2) 19...Bd6 20.f4 dc4 21.Qc4 Bd5 22.Qc3 Qf6 (22...a6 23.Rfc1+=) 23.Bf3 Nh6 (better is 23...Bf3!? 24.Kf3 a6=) 24.Ne5+= Be5 25.de5 Qd8 26.h5 Ng4 27.Kg2?? (better is 27.Kg1 Rh6 28.Rad1+/–) 27...Rh6 (better is 27...Bf3 28.Rf3 Rh6–/+) 28.Rh1?? (better is 28.Rfd1 Bf3 29.Kf3=) 28...Bf3–+ 29.Kf3 Qd5 30.Ke2 Qg2 31.Kd3 Rd8 (31...Nf2 32.Kc4 Nh1 33.Kb3 Ng3 34.Qc7 Qd5 35.Qc4–+) 32.Kc4 Qe4 (32...Qg3?! 33.Kb3–+) 33.Kb3 Rd3 0–1. Huelle,Gunter – Ferkingstad,Sjur (2095), Leipzig VfB op, 2003.

8.cd5 Bd5 9.Nc3 Bb7 10.0-0 Ng4 (10...a6 11.Qc2=) 11.h3 Nh6 12.Qc2 0-0 13.a4 (13.Ne4 a6+=) 13...Nf5 (13...c5 14.Ne4 Be4 15.Qe4+=) 14.a5 ba5 15.Ra5 Nb6 (15...c6 16.Rfa1+=) 16.Rfa1+– Nh4 (16...Qb8 17.e4 Ne7 18.Na2+=) 17.Nh4 (17.Ne4 f5 18.Neg5 Bd5+–) 17...Qh4 18.Ra7 Rab8 (18...Rfb8 19.d4+–) 19.Ba3 (19.d3 Qg5 20.Bf1 Rfd8+–) 19...Qg5 20.Ne4 Be4 (20...Qe5 21.Bd6 (worse 21.Nd6 Qa1 22.Qd1 Qd1 23.Bd1 cd6 24.Bd6 Bd5 25.Bb8 Rb8=+) 21...cd6 22.Bf3+–) 21.Qe4+– Nd5 (21...Nc8 22.Ra5+–) 22.Bd6 cd6 23.R1a6 Rb5?? (better 23...Nf6 24.Qf4 Qf4 25.ef4 Rfd8+–) 24.Bb5 1–0. pcmvr (2865) – chips (2170), net–chess.com, 2008.

8.cd5 Nd5 9.0-0 0-0 10.Nc3=.

8.0-0 0-0 9.Ba3 Ba3 (9...dc4 10.Bc4 a6 11.d4=+) 10.Na3= Qe7 11.Qc1 c6 12.bc6 Bc6 13.cd5 (13.Qb2 Rac8=) 13...Bd5=+ 14.Nb5 Rfc8 15.Qb2 a6 16.Nc3 b5 (16...e5 17.Rfc1 Bc6 18.d4=) 17.Nd5= Nd5 18.Rfc1 e5 19.Rc8 Rc8 20.Rc1 Rc1 21.Qc1 N7b6 22.Qc6 Qc7?? (better 22...e4 23.Nd4 Qd7=) 23.Qe8 1-0. Wister,Finn Arild - Grasvik,Olav, TCh-NOR Club, 2019.

8.0-0 0-0 9.d4 a6 10.a4 ab5 11.cb5 c6 12.Nc3 c5 13.Ne5 c4 14.f4 Ne5 15.fe5 Nd7 16.Qe1 f5 17.ef6 Nf6 18.Qg3 Bd6 19.Qh3 Qe7 20.Rf2 e5 21.Raf1 ed4 22.ed4 Rae8 23.Bh5 Nh5 24.Qh5 Rf2 25.Rf2 Qe3 26.Nd5 Bh2 27.Kh2 Qf2 28.Qe8 Normal 1-0. banjoband (2045) - ttmzt (2130), Rated Blitz game, lichess.org, 2015. (=1.Nf3 Nf6 2.b4 b6 3.b5 Bb7 4.c4 d5 5.e3 Nbd7 6.Bb2 e6)

8.0-0 0-0 9.Nd4 dc4 10.Bc4 Ne5 11.Ne6 fe6 12.Be5 Bd5 13.Qe2 Bd6 14.Bd4 Kh8 15.a4 e5 16.Bd5 Nd5 17.Bb2 Qh4 18.Nc3 Nf6 19.Rac1 e4 20.h3 Rae8 21.Rc2 Re5 22.d4 Rg5 23.Kh1 Ng4 24.Ne4 Nf2 25.Rf2 Qe4 26.Rf8 Bf8 27.Rc7 h5 28.Bc1 Bd6 29.Ra7 Rg3 30.Kg1 Qg6 31.Ra8 Kh7 32.Rd8 Bc7 33.Rc8 Bd6 34.Kh1 Rg5 35.e4 h4 36.Bg5 Qg5 37.e5 Bb4 38.Qe4 1–0. Machete99 – guest2055, ICC, 2002.

8.Nc3 0-0 9.0-0 a6 (9...dc4 10.Bc4 a6 11.ba6 Ba6 12.Qe2 Bc4 13.Qc4=) 10.cd5 Nd5 11.a4 (11.Nd5 Bd5 12.ba6 Nc5=) 11...Nc3 12.Bc3 ab5 13.ab5 Bf6 (13...Nc5 14.Ra8 Ba8 15.Ne5=) 14.d4 (14.Ra8 Ba8 15.d4 Be4+=) 14...Ra1 15.Qa1 Qe7 (15...Qa8 16.Qb2+=) 16.Qb2 (16.Qa7 Rb8+–) 16...Ra8+= 17.Bb4 Qe8 18.Rc1 Qd8 19.Qc2 Rc8 20.Bd3 c6 (better 20...c5!? 21.bc6 Rc6+=) 21.Bh7+– (worse 21.bc6 Rc6 22.Bc3 g6+=) 21...Kh8 22.Be4 (22.bc6?! Rc6 23.Bc3 Rc3 24.Qc3 Kh7=) 22...cb5 23.Bb7 Rc2 24.Rc2 Be7?? (better 24...Nc5 25.dc5 Qd1 26.Ne1 Be7+–) 25.Rc8+– Qc8 26.Bc8 Bb4 27.Bd7 Bc3 (27...Bd6 28.Bb5 Kg8 29.g3+–) 28.Bb5 1–0. GuestMBDD – suplexcity, freechess.org, 2019.

7.Qb3 f5 8.d3 Nc5 9.Qc2 dc4 10.dc4 Bf3 11.gf3 Qh4 12.Nd2 Nbd7 13.Bg2 Rd8 14.0-0 Bd6 15.f4 Rg8 16.Nf3 Qh6 17.Ne5 Ne5 18.fe5+= Be7 19.f4 Ne4 20.Be4 fe4 21.Rf2 Bc5 22.Qe2?? Rd3 23.Bc1 g5 24.f5 ef5–+ 25.Rf5 g4 26.Bd2?? g3 27.Raf1 gh2 28.Kh1 Be3 29.Be3–/+ Re3 30.Qf2?? Rf3 31.Rf3=+ ef3 32.Qf3 Rg1 33.Rg1 hg1Q 34.Kg1 Qc1 35.Kh2 Qh6 36.Kg3 Qg5–/+ 37.Kf2 Qe5 38.Qc6 Ke7 39.a4 Qd6?? 40.Qe4=+ Qe6 41.Qh7= Qf7 42.Qf7 Kf7 43.Ke3 Ke6 44.Ke4 Kd6 45.Kd4 c6 46.Kd3 c5 47.Ke4 Ke6 48.Kf4 Kf6 49.Ke3?? Ke5–+ 50.Kd3 (50.Kd3 Kf4 51.Kc2–+). carocan (1775) – anka7173, kurnik, 2011.

7.Nc3 f5 8.Ne5+= dc4?? 9.Ne4+– Be4 10.Qh5 g6 11.Ng6 hg6 12.Qg6 Kd7 13.Bh8 Bb4 14.Bf6 Qf8 15.Bc4 Bd2 16.Ke2 Bb4 17.Be6! Kd6 18.Rad1 Kc5 19.Qf5! (19.Qf5 Bf5 20.Rd5 Kc4 21.Rf5#) 1–0. wiking – ezekiel4a21, internet, 2010.

7.a4 0-0 A) 8.Be2 A1) 8...c6 9.0-0 a6 10.d3 Bd6 11.Nbd2 c5 12.d4=; A2) 8...dc4 9.Bc4 a6 10.0-0 c6 11.d3 ab5 12.ab5=; A3) 8...c5 9.Na3 (9.0-0 a6 10.d4 dc4 11.Bc4 cd4 12.Bd4=) 9...a6 10.0-0 Bd6 11.d4 Ne4 12.ba6=; A4) 8...a6 9.0-0 c6 10.d3 dc4 11.dc4 Nbd7 12.bc6=; B) 8.cd5 Nd5 9.Nc3 (9.Bc4 a6 10.0-0 c6 11.d4 Bd6 12.e4=; 9.Qc2 c5 10.Qe4 Qd7 11.a5 Nb4 12.Qc4+=; 9.Be2 a6 10.0-0 c5 11.d4 ab5 12.ab5=) 9...a6 10.Bc4 Nc3 11.Bc3 c6 12.bc6=.

7.Qc2 dc4 8.Be2 (8.Bc4 a6=) 8...Bd5 (8...a6 9.Bc4 0-0 10.a4=+) 9.0-0 (9.Bc4 Bc4 10.Qc4 a6=) 9...0-0 (9...a6 10.Bc4 ab5 11.Bb5 c6 12.Be2=) 10.a4 (10.Ng5 g6 11.Nc3 Qd6=) 10...c6 (10...a6 11.Nc3=) 11.Na3 c4 becomes the focus of attention (11.Ng5 g6 12.e4 a6+–) 11...cb5 12.ab5 a6 13.Nc4 (better 13.Ng5 Re8 14.e4=) 13...Nbd7 (better 13...ab5!? 14.Ra8 Ba8=) 14.ba6+– b5 (14...Nc5 15.Ng5 Nfe4 16.Ne4 Be4 17.Qc3+–) 15.Nce5 Rc8 (15...b4 16.Nc6 Rc8 A) 17.Nd8 Rc2 18.Ne6 fe6–/+ (worse 18...Rb2 19.Nf8 Kf8 20.a7+–; 18...Be6?! 19.Rfb1=+); B) 17.Nfd4+–) 16.Qb1+– Ne5 (16...b4 17.Nd7 Nd7 18.e4+–) 17.Ne5 (17.Be5 b4+–) 17...Ne4+– 18.Nf3 (18.Rd1 b4+–) 18...b4 (18...Nc5 19.Bc3 Bc4 20.Bc4 bc4 21.Qb5+–) 19.Bd4 Nd6 (19...Bd6!?+–) 20.Qb4+– Nc4 (20...Nf5 21.Qa5 Nd4 22.Nd4+– (22.ed4?! Qd6+–)) 21.Qc3 (better 21.Qa4+–) 21...Rb8?? (better 21...e5 22.Be5 Ne5 23.Qe5 Bf6+–) 22.Bg7 (better 22.Bc4 Bb4 23.Qd3 Bf3 24.gf3 Bc5+–) 22...Bb4 23.Qd4 (better 23.Qf6 Qf6 24.Bf6+–) 23...Qd6 (23...Bf3 24.gf3 (24.Bc4?! Qg5 25.g3 Qg7+–) 24...Qd4 25.Bd4 (25.ed4?! Kg7 26.Bc4 Rfc8+–) 25...Nd2 26.Rfd1+–) 24.Be5 (better 24.Bf8 Qf8 25.Bc4 Bf3 26.gf3+–) 24...Bc5 (24...Ne5 25.Qe5 Qe7+–) 25.Qg4 1–0. DEFFM – GuestFWDW, freechess.org, 2016.

7.Qc2 Nbd7 8.Be2 Rc8 (8...dc4 9.Bc4 a6 10.ba6 Ba6 11.Ba6 Ra6 12.0-0=) 9.0-0 (9.cd5 Bd5 10.Nc3 Bb7=) 9...c5 (9...dc4 10.Qc4 c6 11.d4=) 10.d3 dc4 11.dc4 0-0 12.Nbd2 Qc7 13.a4 Rfd8 14.a5 h6 15.h3 e5 16.ab6 ab6 17.Bd3 g6 18.Qc3 Ne8 19.Rfd1 f5 20.Qc2 (20.e4 Bf6 21.Qc2+= (21.ef5? e4 22.Qb3 ef3–+)) 20...e4+= 21.Ne4 fe4 22.Be4 Nef6?? (better is 22...Be4 23.Qe4 Nf8+=) 23.Bb7+– Qb7 (23...Nf8 24.Bc8 Qc8 25.Rd8 Qd8+–) 24.Qg6 Kf8 25.Qh6 Kg8 (25...Kf7 26.Ng5 Kg8 27.Qg6 Kh8 28.Nf7) 26.Qg6 Kf8 27.Ng5 1–0. Nemeth,Laszlo1 (1985) – Varga,Mihaly (1995), Gyongyos Matra Cup, 2004.

7.Nc3 a6 A) 8.a4 0-0 (8...dc4 9.Bc4 Nbd7 10.d4 ab5 11.ab5 Ra1 12.Qa1 0-0 13.0-0) 9.cd5 (9.Be2 c5 10.bc6 Nc6 11.cd5 ed5 12.d4 Rc8 13.0-0; 9.h4 Nbd7 10.cd5 ed5 11.ba6 Ba6 12.Ba6 Ra6 13.0-0) 9...ed5 10.d4 c5 11.bc6 Nc6 12.Bd3 Bd6 13.0-0; B) 8.cd5 ed5 9.a4 0-0 10.d4 c5 11.bc6 Nc6 12.Bd3 Qd6 13.0-0.

7.Nc3 Nbd7 A) 8.Be2 dc4 (8...0-0 9.cd5 Nd5 10.Nd5 Bd5 11.0-0 Nc5 12.d4 Ne4 13.Ne5) 9.Bc4 (9.0-0 a6 10.Bc4 ab5 11.Nb5 0-0 12.a4 c6 13.Nc3; 9.Qa4 a6 10.Qc4 0-0 11.a4 ab5 12.ab5 Ra1 13.Ba1) 9...a6 10.Qe2 ab5 11.Nb5 0-0 12.0-0 Nc5 13.a4; B) 8.Qc2 0-0 (8...dc4 9.Bc4 0-0 10.0-0 a6 11.ba6 Ba6 12.Ba6 Ra6 13.a4) 9.cd5 Nd5 10.Nd5 Bd5 11.Bd3 f5 12.Bc4 Nc5 13.d4; C) 8.d4 C1) 8...a6 9.cd5 (9.a4 0-0 10.Bd3 dc4 11.Bc4 ab5 12.ab5 Ra1 13.Ba1; 9.Qb3 dc4 10.Bc4 ab5 11.Nb5 c6 12.Nc3 b5 13.Bd3) ...Nd5 10.ba6 Ba6 11.Ba6 Ra6 12.Qd3 Ra5 13.0-0; C2) 8...dc4 9.Bc4 a6 10.a4 ab5 11.ab5 Ra1 12.Qa1 0-0 13.0-0; C3) 8...0-0 9.Qb3 (9.Bd3 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 dc4 13.Bc4) 9...c5 10.bc6 Bc6 11.Rc1 Rc8 12.Bd3 dc4 13.Bc4; D) 8.cd5 ed5 9.Be2 (9.Qc2 0-0 10.Be2 a6 11.0-0 ab5 12.Nb5 c5 13.d3) 9...0-0 10.0-0 a6 11.a4 Nc5 12.Qc2 Nfe4 13.d3.

7.d3 dc4 8.dc4 Qd1 9.Kd1 0-0 10.Be2 c5 11.Nbd2 Nbd7 12.Kc2 Rfd8 13.Rad1 a6 14.a4 ab5 (14...Ng4!? 15.Rdf1 Bd6–/+) 15.ab5+= Ne4 (15...Ng4!? 16.Rhf1 Bd6+=) 16.Ne4= Be4 17.Kb3 Bf6 18.Bf6 Nf6 19.Rd8 Rd8 20.Rd1 (20.h3!?=) 20...Rd1–/+ 21.Bd1 Ng4 22.Nd2 Nf2 23.Bf3 Bf3 24.gf3 f5 25.Kc3 g5 26.Nb1 (better is 26.Nb3!? g4 27.fg4 Ng4 28.h3–/+) 26...g4–+ 27.Nd2 h5 28.fg4 Ng4 (28...hg4 29.Nb3–+) 29.Nf3 Ne3 30.Kd3 (30.Ne5 f4 31.Kd3–/+) 30...Ng4 31.Ng5 e5 32.h3 Nf6 33.Ke3 Kf8 34.Nf3 f4 35.Kd3 e4 (35...e4 36.Ke2 ef3 37.Kf3 Ne8 38.Kf4 Nd6–+) 0–1. Hal1958 – Spotsychess, playchess.de, 2005.

7.Bd3 0-0 8.0-0 Nbd7 (8...a6 9.Nc3=+) 9.Qc2 (9.cd5 Bd5 10.Be2 c6=) 9...Nc5 (9...dc4 10.Bc4 a6 11.ba6 Bf3 12.gf3=+) 10.Bf6= Bf6 11.Bh7 Kh8 12.d4 Ne4?? (better 12...g6 13.Bg6 fg6 14.Qg6 dc4 15.Qh5 Kg8 16.Qg6 Kh8 17.Qh5 Kg8 18.Qg6 Kh8=) 13.Be4+– de4 14.Nfd2 c5 15.bc6 Bc6 16.Ne4 Rc8 17.Nbc3 Be7 18.d5! ed5 19.Rfd1 Bb7 20.cd5 Bd5?? (better 20...f5 21.Ng3 Bb4+–) 21.Qe2 (21.Rd5 Qd5 22.Nd5 Rc2 23.Ne7 Re8 24.Ng6 fg6=+) 21...Bc4 (21...Be4 22.Rd8 (22.Ne4?! Qc7+–) 22...Rc3 23.Rd7+–) 22.Qh5 (22.Qh5 Kg8 23.Rd8 Rfd8 24.a4+–; worse 22.Rd8 Be2 23.Rf8 Bf8 24.Ne2 Re8+–) 1–0. GuestGSGR – GuestJGDW, freechess.org, 2017.

7.d4 a6 8.Nc3 0-0 9.a4 ab5 (9...Bb4 10.Rc1=+) 10.ab5= Ra1 11.Ba1 c5 (11...c6 12.Bd3=+) 12.bc6 (12.cd5 Nd5 13.Bc4 Nc3 14.Bc3 Qc7=) 12...Nc6 13.Be2 dc4 14.Bc4 Qa8 15.0-0 1–0. Schaar,Joerg (2100) – Kupec,Jan (1995), CiF–11er/0033, 2011.

7.d4 dc4 8.Bc4 0-0 9.0-0 c5 10.bc6 (10.Qe2 a6=) 10...Nc6= 11.Nbd2 Nb4 (11...a6 12.a4=) 12.a3 Nbd5 13.Qb3 Rc8 14.Rac1 Ba8 15.Rfd1 Bd6? (15...Nc7 16.Bd3=) 16.Bf1 (better 16.e4!?+/-) 16...Bb8 (16...Nc7 17.Qd3=) 17.Ne5 Be5 (17...Ne7 18.Bd3+=) 18.de5 Nd7 19.Nf3 (19.Rc8 Qc8 20.Ne4 Nc5 21.Nc5 bc5+=) 19...Nc5 20.Qa2 Qe8 21.a4 (21.Qb1 f5=) 21...a5 (better 21...Qa4!? 22.Qb1 Qe4-/+) 22.Bb5= Bc6 23.Nd4 Bb5 24.Nb5 Nb4 25.Qb1 (25.Qa3 Rd8+=) 25...Qe7 (25...Na4!? 26.Nd6 Rc1 27.Rc1 Qd7=) 26.Nd6+= Rb8 27.Qa1?? (27.Ba3 Na4 28.Bb4 ab4 29.Qb4 Nc5+=) 27...Qg5?? (better 27...Nb3!? 28.Qb1 Nc1 29.Qc1 Qd7-/+) 28.f4 (28.Rc4!?+=) 28...Qg4 29.Bd4 (29.Qa3 Qe2 30.Re1 Qd3=) 29...Ncd3 (better 29...Nb3 30.Qb1 Nc1 31.Qc1 Nd5-/+) 30.Rb1 (30.Rc3 Qe2 31.Qb1 Qf2 32.Kh1 Nc5+=) 30...Qe2= 31.e4?? (31.Ne4 Nc2 32.Qc3 Nf4 33.Rd2+= (33.ef4?! Qe4 34.Bb6 Rfc8=)) 31...Nf4-+ 32.Rb2 (better 32.Qb2 Nc2 33.Bf2-+) 32...Qe4?? (better 32...Nc2 33.Rc2 Qc2-+) 33.Ne4+- Nbd5 (33...Nfd5 34.Qb1+-) 34.Rf2 Ng6 35.Nd6 b5 (35...Rbd8 36.Rdf1+-) 36.Rdf1 (better 36.ab5 a4+-) 36...b4 37.Nf7 Ngf4 (37...Rb7 38.Nd6 Rd7 39.Rf8 Nf8 40.Rf3+-) 38.Rf4 (38.Nd6 Ng6+-) 38...Nf4 39.Rf4 Rf7 40.Rf7 Kf7 41.Qf1 Kg8 42.Qc4 (42.Qa6 Re8 43.Qc6 Ra8 44.Qe6 Kh8 45.Qf7 Rd8 46.e6 Rg8 47.e7 h6 48.e8Q Re8 49.Qg7) 42...b3 (42...Kh8+-) 43.Qe6 Kh8 44.Qd6 b2 (44...Rg8 45.e6 Re8 46.Qg3 Rg8 47.e7 h6 48.Qg6 Rb8 49.Qg7) 45.Qb8 1-0. ClayPigeons (2110) - KommandoI9 (2125), Rated Bullet game, lichess.org, 2020.

7.d4 dc4 8.Bc4 Nbd7 9.Nbd2 0-0 10.Qb3 (10.Qe2 c5+=) 10...a5 (10...a6 11.ba6 Ba6 12.a4=) 11.a3 (11.0-0 a4 12.Qd3 a3=) 11...Rc8 (11...Ne4 12.Ne4 Be4 13.0-0=) 12.Rc1 Ne4 13.0-0 Ndf6 14.Rfd1 Bd6 (14...Nd2 15.Nd2 Bd6 16.Re1=) 15.Nf1 (15.Ne4 Ne4 16.d5 ed5 17.Bd5 Bd5 18.Rd5 Qe7+=) 15...Qe7 (15...a4!? 16.Qd3 Ng4+=) 16.Ne5+= Nd5 (16...Nh5 17.Nd2+=) 17.f3+/– Nef6 (17...Ng5 18.e4 Nf4 19.Ng3+=) 18.g3 Qe8? (better is 18...a4!? 19.Qd3 Nh5+/–) 19.e4+– Ne7 20.Ne3 (20.Nd3 Ng6 21.e5 Bf3+–) 20...Be5? (better is 20...h5+–) 21.de5 Nd7 22.Be6! Nc5 (22...fe6 23.Qe6 Double attack) 23.Rc5 fe6 24.Qe6 Qf7 25.Qf7 Rf7 26.Rc2 (better is 26.e6 Rf3 27.Nf5 Nf5 28.Rf5 Be4 29.Rf3 Bf3 30.Rd7+–) 26...Rf3+/– 27.Nd5 Ng6 (27...Nd5 28.ed5 (worse is 28.Rd5 Bd5 29.ed5 Rd8+=) 28...h5 29.e6+/–) 28.Rf1 (28.a4!? Bd5 29.ed5 Rff8+–) 28...Rf1 29.Kf1 Kf7 30.Rc6?? (better is 30.Ke2 Bd5 31.ed5+–) 30...Bc6–+ 31.bc6 Nf8 32.Ke2 Ne6 33.Nf4 b5 34.Bc3 Ra8 35.Nd5 Ra6 36.Ke3 Rc6 37.Ba5 Rc1 38.h3? Ra1 39.Bc7 Ra3 40.Kf2 Nc7 41.Nc7 Rb3 42.Kg2 b4 43.h4 Rb1 44.Nb5 Ke6 45.Kf3 Ke5 46.h5 Rc1 47.Ke3 b3 48.Kd2 b2 49.Na3 b1Q 50.Nb1 Rb1 51.Kd3 Rb3 52.Kc4 Rg3 53.Kc5 Ke4 54.Kd6 Rg5 55.h6 gh6 56.Ke6 Rg6 57.Kf7 Ke5 58.Ke7 Rg7 59.Kf8 Kf6 60.Ke8 Ra7 61.Kd8 Ke6 62.Kc8 Kd6 63.Kb8 Rg7 0–1. Lunin,Mikhail – Kuznetsov,Yuriy, Zhukovskiy_0211b, 2011.

7.d4 Nbd7 8.Nbd2 0-0 9.Rc1 c6 10.bc6 Bc6 11.cd5 Bd5 12.a3 Rc8 13.Bd3 Rc1 14.Qc1 Qc8 (14...Bb7 15.0-0=) 15.Qa1 Qb7 16.0-0 Ne4 17.Ne4 Be4 18.Be4 Qe4 19.Nd2 Qg6 20.e4 Nf6 21.f3 Rc8 22.Qb1 Nh5 23.g3?? (23.Rc1 Rc1 24.Qc1= (worse 24.Bc1 Nf4 25.g3 Ne2 26.Kf1 Nd4-/+)) 23...Ng3!-+ 24.hg3 Qg3 25.Kh1 Qh3?? (better 25...Qh4 26.Kg2 Qg5 27.Kh1 Qd2-+) 26.Kg1-/+ Bg5 27.Qd3? (better 27.Rf2 Be3 28.Nf1 Bf2 29.Kf2=+) 27...Qg3-+ 28.Kh1 Qh3 29.Kg1 Qg3 30.Kh1 Qh3?? (better 30...Rc6 31.Rc1 Rc1 32.Bc1 Qe1 33.Qf1 Qf1 34.Nf1 Bc1-+) 31.Kg1= ½-½. zembelek (2160) - tarn (2100), Rated Blitz game, lichess.org, 2013.

7.d4 Ne4 8.Nbd2 0-0 9.Ne4 de4 10.Nd2 Nd7 (10...a6 11.Qc2=) 11.Be2 f5 (11...c5 12.bc6 Bc6 13.Qb3=) 12.0-0 Bf6 (12...a6 13.Qb3=) 13.Qb3+= Kh8 14.f3 Bg5 15.fe4 (better 15.Qc3+=) 15...Be3?? (better 15...Nc5 16.Qc3 Na4=) 16.Qe3+– fe4 (16...a6 17.a4+–) 17.Ne4 Rf1 (17...a6 18.Ng5 ab5 19.Nf7 Rf7 20.Rf7+–) 18.Rf1 Qe7 19.Ba3 Qe8 20.Ng5 Kg8 (20...e5 21.Qh3 Qg6 22.Bc1+–) 21.Qe6 (better 21.Bh5! Qh5 22.Qe6 Kh8 23.Nf7 Kg8 24.Nd8 Kh8 25.Qd7 h6 26.Nb7 Rg8+–) 21...Qe6 22.Ne6 Nf6 (22...Rc8 23.c5 Bd5 24.Nf4 Ba2 25.Bg4+–) 23.Nc7 Rc8 24.Bd6 Ne4 (24...Rd8 25.c5 h6 26.Bc4 Kh7 27.Ne6+–) 25.Be5 (25.Bg4 Rd8 26.Be6 Kh8+–) 25...Nd2 26.Rf2 Rf8 27.Rf8 Kf8 28.d5 Ke7 (28...Ne4 29.Ne6 Kg8 30.g4+–) 29.d6 Kf7 (29...Kd8 30.Ne6 Kd7 31.Bg4+–) 30.Bg4 Nc4 31.d7 Ke7 32.Bg7 Nd6 33.Bf6! Kf6 34.d8Q Ke5 35.Qe7 Kf4 36.Qd6 Kg4 37.Qf6 h5 (37...Bg2 38.Ne6 h6 39.Qf4 Kh5 40.Qg3 a6 41.Nf4) 38.h3 (38.h3 Kg3 39.Qg5) 1–0. GuestBZKG – GuestRBFM, freechess.org, 2018.

7.cd5 ed5 8.Be2 0-0 9.Nc3 c6 10.bc6 Nc6 11.0-0 Na5 12.d4 Nc4 13.Bc4 dc4 14.Re1 a6 15.e4= b5 16.d5 Bb4 17.a3 Bc3 18.Bc3+/– Re8 19.Nd2 Qd7 20.f3 Re7 21.Bf6 gf6 22.Qc2 Rae8 23.Qc3 Bd5 24.Qf6 Re6 25.Qg5 Kh8 26.Kf2 Rg6 27.Qd5 Qd5?? 28.ed5+– Rd8 29.Re5 Rgd6 30.Ne4 Rd5 31.Rd5 Rd5 32.Ke3 Rd3 33.Ke2 Kg7 34.h4 h6 35.h5 f6 36.g4 Kf7 37.Nd2 Ke6 38.a4 Ke5 39.ab5 ab5 40.Ra5 Rd5 41.Ne4 b4 42.Rd5 Kd5 43.Kd2 b3? (43...b3 44.Nf6 Ke5+–; 43...Ke5+–). var – book2, Live Game Caissa's Web, 2004.

7.cd5 ed5 8.Be2 a6 =.

7.cd5 Qd5 8.Nc3 Qd6 9.e4 Nbd7 10.Qc2 =.

7.cd5 Qd5 8.Nc3 Qd7 9.d4 (9.Qc2 Qd6+=) 9...Ne4 (9...0-0 10.Bd3+=) 10.Ne5 Qd8 (better 10...Qd6!?+–) 11.Qf3+– Nc3?? (better 11...Nd6 12.Nf7! Bf3 13.Nd8 Bd8 14.gf3 a6+–) 12.Qf7 1–0. GuestDSDT – GuestSJKG, freechess.org, 2019.

7.cd5 Qd5 8.Nc3 Qf5 9.Be2 c5 10.0-0 0-0 11.d3 (11.d4 Rc8=) 11...Nbd7 (11...a6 12.e4 Qf4 13.Qc1 Qc1 14.Rfc1 ab5 15.Nb5=) 12.e4 Qf4 13.g3 (13.Qc1 Qd6=) 13...Qc7 (13...Qd6 14.a4=+) 14.Nd2 Rad8 (14...a6 15.Qc2=+) 15.f4 e5 (15...a6 16.Nc4=) 16.Nc4 Bd6 (16...ef4 17.Rf4 a6 18.a4=) 17.Qd2 (17.Qa4 Ra8=) 17...Rfe8 18.Rf2 (18.a4 a5=) 18...Nf8 (18...a6 19.Rc1=) 19.f5 (19.Nd6 Qd6 (< 19...Rd6 20.fe5 Re5 21.Nd5 Red5 22.Bf6+/–) 20.fe5 Re5= (20...Qe5? 21.Nd5 Ne4 22.de4 Qe4 23.Qg5+–)) 19...N6d7 (19...Be7 20.Qe3=+) 20.Bd1 Be7 21.Bb3 h6 22.Qe2 Nh7 23.h4 Ra8 24.Rd1 Rf8 25.Qf3 Rad8 26.Rh2 Kh8 27.g4 Ndf6 28.Ne2 Rd4?? 29.Nd4+– cd4 30.Qg3 Nd7 31.g5 Qd8 32.Bc1 h5 33.Rg2 Qb8 34.f6 Bd8 35.fg7 Kg7 36.g6 Nhf6 37.Qg5 Ng4+– 38.Qh5 Ndf6 39.Bh6! Nh6 40.gf7 (Demolishes the pawn shield) 40...Nhg4 41.Rg4 Ng4 42.Qg4 Kh6 43.Qe6 Kh5 44.Ne5 Bc8 45.Qg6 Kh4 46.Qh6 (46...Kg3 47.Qh2#) 1–0. Teichmann,Erik (2325) – Rujevic,Mirko (2300), AUS Masters Melbourne, 2002.

7.cd5 Nd5. Dopper.

7.Be2 a6 8.a4 ab5 (8...0-0 9.0-0=) 9.ab5 (9.cb5 0-0=) 9...Ra1 (9...dc4 10.Ra8 Ba8 11.Bc4=) 10.Ba1 0-0 11.0-0 dc4 12.Bc4 c6 13.Qb3 (13.d3 cb5 14.Bb5 Nc6=) 13...c5 (13...cb5 14.Bb5 Bf3 15.gf3=) 14.Ng5 (14.Ne5 Qc7=) 14...h6 15.Nh3 Bd5 (15...Nbd7 16.d4=+) 16.d4 Bc4 17.Qc4 Qd5 18.Qc2 (18.Qe2 Nbd7=) 18...g5 (better 18...cd4!? 19.Bd4 Qb5–/+) 19.Nc3+= Qc4 20.Qa4 (20.dc5 Bc5 21.Rd1 Nd5+=) 20...Qa4= 21.Na4 Nbd7 22.dc5 Bc5 (better 22...bc5 23.Bf6 Bf6=) 23.Bd4?? (better 23.Nc5 bc5 24.f4 gf4 25.Rf4=) 23...Bd4–/+ 24.ed4 Nd5 (better 24...Rc8 25.Ra1 Nd5–+) 25.Rc1? (better 25.f4 Ra8 26.Nb2–/+) 25...Ra8 26.Rc4 (26.Nb2 g4 27.Nc4–+) 26...Ra5 (better 26...g4–+) 27.g3 (27.f3 Rb5 28.Nc3 Nc3 29.Rc3 Nf6–+) 27...Rb5 28.Nc3 Nc3 29.Rc3 Rd5 30.Rc4 (30.f4 gf4 31.Nf4 Rd4–+) 30...Kg7 (30...b5 31.Rc7–+) 31.f4 b5 32.Rb4 Nb6 (32...Nb8!? 33.Rb2–+) 33.fg5 hg5 34.Kf2 Nc4 35.Kf3? (35.Ng1 Kf6–+) 35...Kg6 (35...Rd4 36.Kf2 Rd5 37.Ng1–+) 36.Nf2 (36.Ng1 f5–+) 36...Rf5 (better 36...Na5!? 37.Nd3–+) 37.Ke2 Rd5 38.Nd3?? (38.Kf3 Na5 39.Rb2–+) 38...f5 39.Nc5 (39.h3 Kf6–+) 39...Rd4 40.Rb5 Rd2 (better 40...Rd5–+) 41.Kf3?? (41.Kf1 e5–+) 41...Rh2 (41...g4 42.Kf4 e5) 42.Ne6 (42.g4 e5–+) 42...Nd2 (42...g4 43.Kf4 Rf2) 43.Ke3–+ Nc4 (better 43...Nf1!? 44.Kf3 g4 45.Kf4 Rf2 46.Ke5 Ng3 47.Nf4 Kg5 48.Rb8–+) 44.Kd4?? (44.Kf3 g4 45.Kf4 Rf2) 44...Nd6–+ 45.Kd5?? (45.Rb4 Re2 46.Nc5 Ne4–+) 45...Ne4 (better 45...Nb5 46.Kc5 Nc3–+) 46.Kc6 (46.Rb8 Ra2 47.Ke5 Ra5 48.Kd4–+) 46...Kf6 47.Nd4 Rh3 0–1. Toll,Anatoly – Hayes,Michael, Dos Hermanas Internet qual–E, 2009.

7.Be2 dc4 8.Bc4 a6 9.0-0 =+.

7.Be2 dc4 8.Bc4 Nbd7 9.0-0 Nc5 (9...0-0 10.d3=) 10.a4 0-0 11.Qc2 (11.d4 Nce4 12.Qc2=) 11...Nfe4 (11...Be4!? 12.Qd1 Nd3=) 12.Nc3 (12.d4 Nd7+=) 12...Nc3 13.Bc3 Bf6 (13...Be4 14.Qd1=) 14.d4+= Ne4 (14...Be4 15.Qe2 Nb7 16.Nd2+/-) 15.Bb2 Bd5 (better 15...c5!?+/-) 16.Bd3+- Ng5 (16...Nc5 17.Bh7 Kh8 18.Nd2+-) 17.Ng5 (17.Nd2 c5 18.h4 Nh3 19.gh3 cd4 20.Bh7 Kh8+-) 17...Bg5 18.Bh7 Kh8 19.Be4 (19.Bd3 Rc8+-) 19...g6 (19...f5 20.Bd5 ed5 21.Ba3+-) 20.Rac1 (20.Bd5 ed5 21.Rfc1 Rc8+-) 20...Rc8 21.f4 (21.Ba3 Re8+-) 21...Be7 22.Rf3 (22.Bf3 f5+-) 22...Kg7 (22...c6 23.Qd3 Qd7 24.bc6 Rc6 25.Rc6 Qc6 26.Bg6+-) 23.Rg3 (23.Bd5 ed5 24.f5 Qd6+-) 23...Be4 (23...f5 24.Bd5 ed5 25.Qc6+/-) 24.Qe4 Bd6?? (better 24...Bf6+-) 25.d5 Kg8 (25...e5 26.fe5 Ba3 27.Ba3+-) 26.Rh3 (26.Rg6 Kh7 27.Rg7 Kh6 28.Qh7) 26...e5+- 27.fe5 Be7 28.e6 Bf6 29.ef7 Rf7 30.Qg6 Kf8 (30...Rg7 31.Qf6 Qf6 32.Bf6 Rg4+-) 31.Ba3 Ke8 32.Qg8 (32.Qg8 Kd7 33.Qg4 Ke8 34.Rh8 Bh8 35.Qg8 Rf8 36.Qe6 Qe7 37.Qe7; 32.Rh8 Bh8 33.Qg8 Rf8 34.Qe6 Qe7 35.Qe7) 1-0. AhmedSultanov (1720) - jlgpi (1745), lichess.org, 2019.

7.Be2 c5 8.0-0= dc4 9.Bc4 0-0 10.d3 Qc7 11.Nbd2 a6 12.a4 ab5 13.ab5 Nbd7 (13...Ra1 14.Ba1 Nbd7 15.Qc2=) 14.Qb3 (14.Qc2 Nd5=) 14...Bd6 15.Qc3 Bd5 (15...Ra1 16.Ra1 Ra8 17.Ra8 Ba8 18.Ne4=) 16.e4+= Bc4 17.Nc4 e5 (17...Bf4!?=) 18.Nh4 (18.Nfe5 Ne5 19.Ne5 Ra1 20.Ra1 Be5 21.Qe5+–) 18...g6 (better 18...Ra1!? 19.Ra1 Re8+–) 19.f4+– Ra1 20.Ba1 (20.Ra1 Be7 21.fe5 Ne4 22.de4 Bh4+–) 20...Re8 (20...Be7!? 21.fe5 Ng4+–) 21.fe5 (21.Nd6?! Qd6 22.Nf3 Qe6 23.Ne5 Ne5 24.Qe5 Qe5 25.Be5 Nd7+–) 21...Be5 22.Ne5 (22.Ne5 Ne5 23.Rf6+–) 1–0. Whaley,Michael G – Putt,Garry D, NZCCA HT corr New Zealand, 2002.

7.Bf6 Bf6 8.d4 c5 =.

8.cd5 Bd5 9.Nc3 Bb7 10.d4 0-0 11.Bd3 c6 12.0-0 =.

8.Be2 0-0 9.0-0 dc4 10.Bc4 Nbd7 11.Nd4 Nc5 12.d3 =.

8.Be2 0-0 9.0-0 c5 10.d4 Nbd7 11.Nbd2 Qc7 12.Ba3 (12.Rc1 Rac8=) 12...Bd6 13.dc5 (13.cd5 Bd5 14.Qc2 e5+=) 13...Nc5 14.g3 (14.cd5 Bd5 15.Bc5 Bc5=+) 14...Rfd8=+ 15.cd5 Bd5 16.Rc1 Qb7 (16...Rac8 17.Bc4=+) 17.Bb2 (17.Bc5 Bc5 18.Bc4 Be4=+) 17...Nfe4 18.Bd4 (18.Ne4 Be4 19.Nd4 Be7=+) 18...Rac8 (18...e5 19.Bb2=+) 19.Nc4 (19.Bc4 Nd2 20.Bd5 Qd5 21.Nd2 e5 22.Bc5 Bc5=+ (worse 22...bc5 23.Nc4 Qe6 24.Na5+=)) 19...f6 (19...Bc7 20.Qc2=+) 20.Nfd2 e5 21.Bc3 (21.Bc5 A) worse 21...Rc5 22.Ne4 Be4 23.Na5+= (23.Nd6?! Rc1 24.Qb3 Bd5 25.Nb7 Rf1 26.Kf1 Bb3 27.Nd8 Kf8+–); B) 21...Nc5?! 22.Bg4 Rc7 23.Nd6 Rd6 24.Qc2=+; C) 21...Bc5 22.Bf3 Nd2 23.Nd2 Bf3 24.Qf3 Qf3 25.Nf3 e4=+) 21...Nc3 (21...Be7 22.f3 Nd2 23.Bd2–/+) 22.Rc3=+ Kf8 (22...Bg2 23.Bg4 Rc7 24.Re1=) 23.f3 (23.Bg4 Ne6=) 23...Be6 (23...Be7 24.Qc2=+) 24.Qc2 (24.Nd6 Rd6 25.Qc2 Qd7=+) 24...g6 (24...Be7 25.Qh7 Na4 26.Rc2=) 25.Rc1 (25.Nd6 Rd6 26.Ne4 Ne4 27.Rc8 Qc8 28.Qe4 Rd2–/+) 25...Bf5 (25...Be7 26.Nb2=) 26.e4 (26.Nd6 Rd6 27.Nc4 Bc2 28.Nd6 Nb3 29.Rc8 Qc8 30.Nc8 Nc1+=) 26...Be6= 27.Nd6 Rd6 28.Bc4 (28.Nc4 Bc4 29.Bc4 Kg7=) 28...Rcd8 29.Bd5 (29.Nb3!? Na4 30.Na5 ba5 31.Qa4 Qb6 32.Kh1=+) 29...Bd5–/+ 30.ed5 Qd5 (30...Rd5 31.Nb3 Nd3 32.Rc7–/+) 31.Nc4=+ Qd4 (31...Nd3!? 32.Rd1 Qc5 33.Kf1 Nb4 34.Rd6 Qd6 (worse 34...Rd6 35.Nd6 Nc2 36.Rc5 bc5 37.b6+–) 35.Nd6 Nc2+=) 32.Kf1= Re6 (32...Qd5 33.Nd6 Rd6 34.Ke2+=) 33.Nb6+= Rb6 (33...e4 34.Rc5 ef3 35.Rc8 Rb6 36.Rd8 Qd8 37.Rd1+=) 34.Rc5 Qd3 (better 34...Rbd6!?+=) 35.Qd3+– Rd3 36.Rc7 Rf3 37.Ke2 (37.Kg2 Ra3 38.Rh7+–) 37...e4 (better 37...Ra3!? 38.Rh7 Ra2 39.Kf3 Kg8+–) 38.Rh7+– Kg8 39.Rd7 (39.Ra7!? Rb8+–) 39...Rb8 40.Rb1 (40.Rc4!?+–) 40...Ra3+– 41.Rb2 (better 41.b6 Ra2 42.Ke3 Ra3 43.Ke4 Ra4 44.Kd3 Ra3 45.Kc4+–) 41...Ra4=+ 42.b6 (better 42.Rc2!?=+) 42...Rb4–+ 43.Ra2 ½–½. Buss,Michael – Prellwitz,Steve, USCF84CC451, 1984.

8.Be2 dc4 9.0-0 (9.Bc4 0-0 10.0-0 c5 11.d4 Nbd7 12.Qe2=) 9...Bd5 10.Nc3 c6 11.bc6 Nc6 12.Nd5 =.

8.Be2 c5 9.0-0 0-0 10.d3 h6 11.h3 Nfd7 12.Nbd2 Bf6 13.Bf6 Nf6 14.Nb3 Qc7 15.Nfd2 e5 16.cd5 Nd5 17.Nc4 Nd7 18.e4 Nc3 19.Qc2 Ne2 20.Qe2 Rad8 21.Rad1 Rfe8 22.Nbd2 Nf8 23.Nf3 f6 24.Qa2 Kh8 25.Ne3 Ng6 26.g3 Re7 27.Rd2 Qd7 28.Nf5 Ree8 29.Rfd1 Ne7 30.Ne7 Qe7 31.Nh4 Kh7 32.Nf5 Qf8 33.Kh2 Bc8 34.Ne3 Be6 35.Qc2 Qf7 36.Kg2? (better is 36.Nc4!? Qc7 37.Rc1–/+) 36...Bb3–+ 37.Qb1 Bd1 38.Qd1 Rd4 39.Nc4 Qe6 40.Qg4 Qg4 41.hg4 Red8 42.Nb6 Rd3 43.Rc2 Rb8 44.Nc4 Rd4 45.f3 g6 46.Kf2 Kg7 47.Ke2 Kf7 48.Ke3 Rbd8 49.Na5 (better is 49.Rc3!?–/+) 49...Ra4–+ 50.Nb7 Ra3 51.Ke2 Rb8 (51...Rdd3!? 52.b6 Re3 53.Kd2 Rad3 54.Kc1–+) 52.Nd6 Ke6 53.Nc4 Rb3 54.b6 R3b6?? (better is 54...Rd8–+) 55.Nb6= Rb6 56.Rc5 ½–½. Hal1958 – Spotsychess, playchess.de, 2004.

8.Be2 c6 9.0-0 (9.bc6 Nc6 10.0-0 dc4 11.Na3 c3 12.dc3=; 9.cd5 Nd5 10.0-0 0-0 11.Nc3 Nc3 12.Bc3=; 9.d4 0-0 10.0-0 dc4 11.Bc4 cb5 12.Bb5=) 9...0-0 10.Nc3 dc4 11.Bc4 Nbd7 12.Rc1 =.

8.a4 a5 9.Be2 (9.cd5 Nd5 10.Bc4 Nd7 11.0-0 Nc5 12.Nd5 ed5 13.Be2; 9.d4 c5 10.cd5 Nd5 11.dc5 Bc5 12.Bc4 Nb4 13.Qe2) 9...Nbd7 (9...c5 10.bc6 Nc6 11.0-0 Rc8 12.cd5 Nd5 13.Rc1) 10.0-0 (10.Qc2 dc4 11.Bc4 Bb4 12.0-0 h6 13.Be2) 10...Nc5 (10...dc4 11.Bc4 Bf3 12.gf3 Ne5 13.Be2) 11.d4 (11.Qc2 Nfe4 12.cd5 Nc3 13.Bc3) 11...Nce4 12.Ne4 de4 (12...Ne4 13.Qc2= (13.Ne5=)) 13.Nd2 (13.Ne5 Nd7+=) 13...Rc8 14.Nb3 (14.Bc3 c6=) 14...c6 (14...Bb4!?=) 15.Qc2+= c5? (15...cb5 16.ab5 Nd7 17.Rfc1+=) 16.Rfd1 (better 16.dc5 Rc5 17.Nc5 Bc5 18.Rfd1+–) 16...cd4+= 17.Bd4 Qe8?? (better 17...Qc7+=) 18.Qb2 (better 18.Bb6!? Bd5+–) 18...Bd8 19.Rac1 Qe7 20.Rc2 (better 20.c5!? Bd5 21.cb6 Rc1 22.Rc1+– (22.Nc1?! Qb7+–)) 20...Re8+– 21.Qa1 (21.Rcd2!?+–) 21...e5+= 22.Bb2 Qe6 23.h3 h5 24.Rcd2 Bc7 25.Ba3 h4 (25...Rcd8 26.Rd8 Rd8 27.Rd8 Bd8 28.Qc3+–) 26.Qb2+– Rcd8 27.c5 Rd2 28.Rd2 Bd5 29.Bd1 Rd8 30.cb6 Bb6 31.Nc5 Qf5 (31...Qc8 32.Qc3+=) 32.Nb3 Rc8?? (32...Qe6!?=) 33.Rc2 (33.Rd5 Nd5 34.Bg4 Qg5 35.Bc8 Ne3 36.fe3 Qe3 37.Kf1 Qg1 38.Ke2 Qg2 39.Kd1 Qf1 40.Kc2 Qd3 41.Kc1 Qf1 42.Kc2 Qd3 43.Kc1 Qf1 44.Kc2=) 33...Bc4 (33...Rd8 34.Be2+–) 34.Qc3 (34.Qc1 Qd7 35.Be2+– (35.Rc4?! Rc4 36.Qc4 Qd1 37.Kh2 Nd5 38.Qc8 Kh7+=)) 34...Nd5 35.Qb2?? (better 35.Qe1 Qd7 36.Rc1+–) 35...Ne3!–+ 36.Rc1 (36.fe3 Qf1 Double attack) 36...Nd1 37.Rd1 e3 (better 37...Bb3 38.Qb3 Qf2 39.Kh1 e3–+) 38.fe3 (38.Nc5 e2 39.Re1–+) 38...Be3 39.Kh1 Bb3 (39...Bd5! 40.Kh2 Qf4 41.Kh1 Qg3 42.Rd5 Qe1 43.Kh2 Qg1) 40.Qb3–+ Bd4?? (better 40...Qf2 41.Qd5 Rc2 42.Qd8 Kh7 43.Qd3 f5–+) 41.b6= Rb8 42.b7 Qd7 43.Rb1 e4 (43...g6=) 44.Qb5 (44.Qd1 Qd8+=) 44...Qe6 (44...Qb5 45.Rb5 e3–+) 45.Qa5 (45.Rc1 e3 46.Be7=) 45...Kh7?? (better 45...e3 46.Bb2 Qb6 47.Qb6 Bb6=) 46.Qb4 (better 46.Qh5 Kg8 47.Qh4+–) 46...Qd7? (better 46...Bf2 47.Qb3 Qb3 48.Rb3 Ba7+–) 47.a5 e3 48.a6 e2 (48...Ba7 49.Qh4 Kg8+–) 49.Qd6 (49.Re1 Qc6 50.Qb1 Kg8+–) 49...Qe8 50.Bb4 (50.Re1 Qb5 51.Qd4 Qa6+–) 50...Rd8?? (50...Qe4!? 51.Re1 Re8+–) 51.Qe7 (better 51.b8Q Rb8 52.Qd4+–) 51...Qe7?? (better 51...Ba7 52.Qh4 Kg8+–) 52.Be7+–. Hakim,Viktor – Niegemeier,Karl Leo, Bois Gentil op, 1994.

8.a4 a6 9.cd5 (9.h3 Nbd7 10.cd5 ed5 11.ba6 Ba6 12.Ba6 Ra6 13.0-0; 9.Be2 c5 10.cd5 ed5 11.Bd3 c4 12.Bc2 Nbd7 13.0-0) 9...ed5 10.d4 c5 11.bc6 Nc6 12.Bd3 Nb4 13.0-0.

8.a4 c5 9.Bd3 Nbd7 10.Qe2 dc4 11.Bc4 Ng4 12.Rd1 Qc7 13.h3.

8.a4 c5+= 9.d4 cd4 (9...a6 10.Rc1+=) 10.ed4 (10.Qd4 Bc5 11.Qd3 dc4 12.Qc4 a6=) 10...Bb4 (10...Nbd7 11.Ba3+=) 11.Ne5 (11.Qb3 Bd6+=) 11...Ne4 (11...dc4 12.Nc4 a6 13.Rc1–/+) 12.Qb3 Qg5 (better is 12...Qh4!? 13.g3 Ng3–+) 13.Nf3= Qe7 14.Bd3 (14.Ba3 A) 14...Nc3?? 15.Bb4 (15.Qb4?! Qb4 16.Bb4 dc4+–) 15...dc4 16.Qc3+– (16.Be7 cb3 17.Ra3 b2–+); B) 14...Ba3 15.Qa3 Qf6=) 14...Nc3 (14...dc4 15.Bc4 Nc3 16.Bc3 Bc3 17.Qc3 Bf3 18.gf3–/+) 15.Bc3 Bc3 16.Qc3 Rc8 (16...dc4 17.Bc4 Bf3 18.gf3–/+) 17.0-0 dc4 18.Be2 Nd7 (18...a6 19.Rfb1–/+) 19.Nd2 Qg5 20.f3 Nf6 21.Nc4 Nd5 22.Qc1? (better is 22.Qe1–/+) 22...Nf4–+ Threatening mate... how? 23.Rf2 Nh3 (better is 23...Bd5!? 24.a5 Ne2 25.Re2 Qc1 (25...Bc4? 26.Qg5 Be2 27.Kf2+–) 26.Rc1 Rc4 (26...Bc4?! 27.Rec2+=) 27.Rc4 Bc4–+) 24.Kf1 Qc1 25.Rc1 Nf2 26.Kf2 Bd5 27.Rc2 Bc4 28.Bc4 Rc7 29.Ke3 Rac8 30.Kd3 g5 31.h3 Kg7 32.g3 Rd8 33.Re2 Re7 34.f4 gf4–+ 35.gf4 Red7 36.Re4 Rd6 37.f5 ef5 38.Rf4 Kg6 39.h4 Re8 40.Bb3 h5 41.Bc4 Re1 42.Kd2? Re4 43.Re4 fe4 44.Ke3 f5 45.d5 Rd8 46.Kf4 Rc8 47.Ba2 Kf6 48.Bb3 Rc3 49.Bd1 Rd3 50.Bh5 Rd5 51.Be2 Rd2 52.Ke3 Ra2 53.Bd1 Ke5 54.h5 Rh2 (54...Rh2 55.Be2 f4 56.Kd2 f3–+; 54...f4#) 0–1. Zylla – Hielscher, BS–Kreismeisaterschaft, 1995.

8.a4 c5 9.cd5 ed5 10.d4 Nbd7 11.Be2 Qc7 12.dc5 Nc5 13.0-0.

8.a4 Bd6 9.Be2 (9.d4 Nbd7 10.Bd3 dc4 11.Bc4 a6 12.0-0 ab5 13.ab5; 9.cd5 ed5 10.d4 c5 11.dc5 bc5 12.Be2 Qa5 13.0-0) 9...c5 10.cd5 ed5 11.0-0 Nbd7 12.Qc2 Qc7 13.h3.

8.a4 Nbd7 9.Qc2 (9.cd5 Nd5 10.Bc4 c5 11.bc6 Bc6 12.0-0 Rc8 13.Nd5; 9.Be2 dc4 10.Bc4 Bf3 11.gf3 Ne5 12.Qe2 Bb4 13.Rg1) 9...Nc5 10.Be2 Bd6 11.d4 Nce4 12.0-0 Nc3 13.Bc3.

8.Qc2 a6 9.cd5 (9.a4 ab5 10.ab5 Ra1 11.Ba1 Nbd7 12.cd5 Nd5 13.Nd5; 9.a3 ab5 10.cd5 Nd5 11.Bb5 Nc3 12.Bc3 Nd7 13.0-0) 9...ed5 10.Ne5 d4 11.ed4 ab5 12.Nb5 c6 13.Nc3.

8.Qc2 dc4 9.Bc4 a6 +=.

8.Qc2 c6 9.cd5 (9.a4 Qc7 10.Rc1 c5 11.cd5 ed5 12.Be2 Nbd7 13.0-0) 9...cd5 10.Rc1 Nbd7 11.Be2 a6 12.0-0 ab5 13.Bb5.

8.d4 dc4 9.Bc4 a6 10.0-0 ab5 11.Bb5 Na6 12.Qe2 Nb4 13.e4 c5 (13...h6!?=) 14.Rfd1+= Qc7 15.a3 Nc6 16.d5 Ne5 17.Ne5 Qe5 18.Bc4 Bd6? (better is 18...Bd8!?+/–) 19.g3+– ed5? (19...Rfd8 20.de6 fe6+–) 20.Nd5 Qg5 (20...Bd5 21.Be5 (21.ed5?! Qe2 22.Be2 Rfc8+=) 21...Bc4 22.Qc4 Be5 23.Rab1+–) 21.f4 (better is 21.Nf6 gf6 22.Rd6 Rae8 23.Bf6 Qg6+–) 21...Qg6 (21...Bf4 22.Bf6 Be3 23.Qe3 Qe3 24.Ne3 gf6+–) 22.f5 Qg5 (22...Qh6 23.Nf6 gf6 24.Rd6 b5 25.Bf6 Rfd8 26.Qg4 Kf8 27.Be7 Ke7 28.Rh6 Rd3 29.Qg5 Kd7 30.Bb5 Kc8 31.Bd3 Bd5 32.ed5 Ra7 33.Qg8 Kd7 34.Rb1 Rc7 35.Qf7 Kd8 36.Rb8 Rc8 37.Rd6) 23.Nf6 gf6 24.Rd6 (24.Rd6 Rae8 25.Bf6 Qf5 26.ef5 Re2 27.Be2+–) 1–0. pierred (2850) – cristero (2460), net–chess.com, 2015.

8.d4 c5 9.Ne5 (9.dc5 bc5 10.Bd3 a6=) 9...Nbd7 10.Nc6 Bc6 11.bc6 Nb8 12.cd5 ed5 13.dc5 Bc5 14.Bb5 Qd6 (14...a6 15.c7 Qc7 16.Be2-/+) 15.c7 Qc7 (better 15...Nc6!? 16.Rc1 Ne7+=) 16.Nd5+/- Nd5 17.Qd5 Nd7?? (better 17...Bb4 18.Kf1 Qc5 19.Qc5 Bc5+/-) 18.Qd7 Bb4 19.Kf1 Qc2 (19...Qd7 20.Bd7 Rfd8+-) 20.Qd4 Qg6 21.Qb4 1-0. DEFFM – hlinastyri, freechess.org, 2021.

8.cd5 ed5 9.d4 (9.Be2 a6 10.a4 c5 11.bc6 Nc6 12.d4 Rc8 13.0-0; 9.Bd3 a6 10.a4 Nbd7 11.0-0 Nc5 12.Be2 ab5 13.ab5) 9...c5 10.bc6 Nc6 11.Be2 Na5 12.Ne5 Nc4 13.Qc2.

8.Be2 a6 9.a4 a5 10.0-0 Re8 11.cd5 ed5 12.Qc2 c5 13.bc6 Nc6 14.Bb5 Nb4 15.Qb3 Rf8 16.d4 Rc8 17.Ne5 Bd6 18.Rfd1 Be5 19.de5 Ng4 20.Be2 Qh4 21.Bg4 Qg4 22.Rd4 Qg6 23.Ba3 (better is 23.Rc1=) 23...Qc2?? (23...Nc2 24.Rad1 Rfe8–/+) 24.Qc2?? (better is 24.Rb4 Qc3 25.Qc3 Rc3 26.Rb6+–) 24...Nc2–+ 25.Bf8 (25.Bb2 Na1 26.Ba1 Rc5–+) 25...Kf8 (25...Na1 26.Rd1 Kf8–+ (26...Rf8?! 27.Ra1 Rc8 28.Nb5=; 26...Rc3 27.Bg7 Kg7 28.Ra1–+)) 26.Rc1–/+ Nd4 27.ed4 Ba6 28.Na2 Rc1 29.Nc1 Bc4 30.f4 b5 31.ab5 Bb5 32.Na2 Ke7 33.Nc3= Bc4 34.Kf2 f6 35.Ke3 fe5 36.de5 Ke6 37.g4 g5+= 38.Na4 gf4 39.Kf4 Ke7 40.Ke3 Bb5 41.Nc5 a4–/+ 42.Kd4 Bc6 43.g5 Kf7 44.h4 Kg6 45.e6 Kf5 46.e7 a3 47.Kc3 Ke5 48.Nb7 Ke6?? 49.Nd8+– Ke7 50.Nc6 Ke6 51.Kb3 Kf5= 52.Nd4 Kg4 53.Nf3 d4 54.Ka3 Kf3 55.h5 d3 56.g6 hg6 57.hg6 d2 58.g7 d1Q 59.g8Q ½–½. Alessandro,Sergio (1675) – Di Tomaso,Fausto, Udine DLF op, 2007. (=1.Nf3 Nf6 2.b4 b6 3.Bb2 e6 4.b5 d5 5.e3 Be7 6.c4 Bb7 7.Nc3 0-0)

8.Be2 a6 9.a4 c5 10.Bd3 d4 11.Ne2 de3 12.de3 ab5 13.ab5.

8.Be2 a6 9.a4 c5 10.cd5 Nd5 11.0-0=.

8.Be2 a6 9.cd5 ed5 10.a4 c5 11.bc6 Nc6 12.d4 Bd6 13.0-0.

8.Be2 dc4 9.Bc4 (9.a4 c5 10.Bc4 Nbd7 11.h3 Qc7 12.Be2 Rad8 13.a5) 9...a6 10.a4 Nbd7 11.d4 ab5 12.ab5 Ra1 13.Qa1.

8.Be2 c5 9.d4 (9.Qb3 a6 10.0-0 ab5 11.Nb5 Nc6 12.d3 h6 13.h3; 9.Qc2 dc4 10.Bc4 Nbd7 11.Be2 Qc7 12.0-0 c4 13.Na4) 9...a6 10.dc5 bc5 11.0-0 ab5 12.cb5 Nbd7 13.Qc2.

8.h4 A) 8...Nbd7 9.cd5 (9.Qc2 Nc5 10.d4 Nce4 11.Ne5 a6 12.cd5 Nc3 13.ba6; 9.h5 h6 10.cd5 ed5 11.Qc2 a6 12.ba6 Ba6 13.Ba6) 9...ed5 10.Qc2 a6 11.ba6 Ba6 12.Ba6 Ra6 13.0-0; B) 8...dc4 9.Bc4 (9.h5 h6 10.Bc4 a6 11.a4 Nbd7 12.d4 Bb4 13.Kf1) 9...a6 10.a4 Nbd7 11.ba6 Ba6 12.Ba6 Ra6 13.0-0; C) 8...a6 9.cd5 (9.a4 dc4 10.Bc4 Nbd7 11.ba6 Ba6 12.Ba6 Ra6 13.0-0) 9...ed5 10.a4 Re8 11.h5 h6 12.Bd3 Nbd7 13.0-0.

8.Bc4 0-0 9.0-0 Nbd7 10.Rb1 a6 11.a4 (11.d3 ab5 12.Nb5 Re8 13.Nbd4 c5 14.Nb5 Nd5 15.e4 N5f6 16.a4 Qb8=; 11.Nd4 e5 12.Nf5 ab5 13.Nb5 c6 14.Nbd6 Bd6 15.Nd6 Ba6 16.Ba6 Ra6=; 11.d4 ab5 12.Bb5 Bd6 13.Qe2 c6 14.Bd3 Qb8 15.Rfd1 c5 16.h3 Bf3=; 11.ba6 Ba6 12.Ba6 Ra6 13.Qe2 Qa8 14.d3 c6 15.Rfc1 b5 16.Nd4 b4–/+) 11...ab5 12.ab5 Bf3 13.Qf3 Ne5 14.Qe2 Qd6 15.d3 Rfc8 16.Ra1 c6 =.

8.Bc4 0-0 9.0-0 Nbd7 10.Rc1 a6 11.Nd4 (11.ba6 Ba6 12.Ba6 Ra6 13.Qe2 Ra5 14.e4 c6 15.Nd4 Qa8 16.Nb3 Ra6=; 11.a4 ab5 12.ab5 Bf3 13.Qf3 Ne5 14.Qe2 Nc4 15.Qc4 Qd2 16.Ba1 Qd8+=; 11.d3 ab5 12.Nb5 c6 13.Nbd4 c5 14.Nb5 Bc6 15.a4 Ra5 16.e4 Qa8=; 11.d4 ab5 12.Nb5 Re8 13.Qe2 c6 14.Nc3 b5 15.Bb3 b4 16.Nb1 Ba6+=) 11...Ne5 12.ba6 Bg2 13.Ne6 fe6 14.Be6 Kh8 15.Kg2 Nd3 16.Rb1 Ra6 =.

8.Bc4 0-0 9.0-0 Nbd7 10.d3 a6 11.a4 (11.Nd4 ab5 12.Bb5 Nb8 13.Qc2 c5 14.Nb3 Nc6 15.Rfb1 Bd6 16.a3 Qc7=; 11.ba6 Ba6 12.Ba6 Ra6 13.Qc2 c6 14.Rfd1 Qa8 15.a4 Rd8 16.Ba3 Ba3=; 11.Qe2 ab5 12.Nb5 c6 13.Nbd4 Bd6 14.e4 c5 15.Nb5 Bf4 16.g3 Bb8=; 11.Rc1 ab5 12.Nb5 c6 13.Nbd4 c5 14.Nb5 Bc6 15.Qb3 Bf3 16.gf3 Qb8=) 11...ab5 12.ab5 Ra1 13.Ba1 Bd6 14.Qe2 Bf3 15.Qf3 Ne5 16.Qh3 Qe7 =.

8.Bc4 0-0 9.0-0 Nbd7 10.d4 a6 11.a4 (11.Qe2 ab5 12.Bb5 Bb4 13.Rfc1 Qe7 14.Bd3 Rfc8 15.Nb5 c6 16.a3 Ba5=; 11.ba6 Ba6 12.Ba6 Ra6 13.Qe2 Qa8 14.Rfc1 c6 15.e4 Rd8 16.d5 cd5=; 11.Re1 ab5 12.Bb5 Bd6 13.e4 c6 14.Be2 Nh5 15.e5 Bb4 16.Qd2 g6+=; 11.Rc1 ab5 12.Nb5 Re8 13.Qe2 c6 14.Nc3 b5 15.Bb3 b4 16.Nb1 Ba6+=) 11...c6 (11...c5 12.bc6 Bc6 13.Rc1 Bd6 14.d5 ed5 15.Nd5 Nd5 16.Bd5 Bd5=) 12.Qc2 (12.Qe2 ab5 13.ab5 Qc7 14.e4 Bb4 15.Bd3 c5 16.Na2 Ba3=) 12...cb5 13.ab5 a5 (13...Bf3 14.gf3 ab5 (14...Rc8 15.Qe2= ab5 16.Bb5 Bb4=) 15.Bb5 Qc7 16.Bd3 Bd6=) 14.Be2 (14.e4 Qc7 15.Bd3 Rfc8 16.e5 Nd5+=) 14...Rc8 15.Qd3 (15.Rfc1 Nd5 16.Qa4 Nc3=) 15...Bd6 (15...Bf3 16.Bf3 Ne5=) 16.Rfd1 (16.Rfc1 Bb4=) 16...Re8 (16...Qe7=) 17.h3 Bb4 18.Rac1 Qe7 19.Nd2 e5 20.de5 Ne5 21.Qb1 Red8 22.Nb3 Nc4 23.Rd8 Qd8 24.Nd4 Nb2 25.Qb2 Qd6 26.Bf3?? (26.Na4 Rc1 27.Qc1 Nd7=) 26...Bf3?? (26...Ba3 27.Ne4 A) 27...Bb2?! A1) 28.Nd6?? Rc1 (28...Bc1?! 29.Bb7 Rc3 30.Ne2–+) 29.Kh2 Bd4 30.ed4 Bf3 31.gf3 a4–+; A2) 28.Rc8 Bc8 29.Nd6 Bd4 30.ed4+=; B) worse is 27...Ne4 28.Rc8 Bc8 29.Qc2–+; C) 27...Rc1 28.Qc1 Ne4–+ (28...Bc1?! 29.Nd6 Bf3 30.gf3+=; 28...Be4 29.Qc8 Qf8 30.Qc7–+)) 27.Nf3? (better is 27.gf3 Qc5 28.Nce2 Qg5 29.Kh2+=) 27...Ba3–+ 0–1. blackdogs (2450) – jelquez (2340), net–chess.com, 2014.

8.Bc4 0-0 9.0-0 Nbd7 10.Nd4 Ne5 11.d3 (11.Be2 c5 12.bc6 Nc6 13.Ba6 Ba6 14.Nc6 Qd6 15.Ne7 Qe7 16.Re1 Bd3+=; 11.Qe2 Nc4 12.Qc4 a6 13.a4 Qd7 14.d3 Rfd8 15.Rfd1 Bc5 16.Nb3 Bd6+=; 11.Qb3 Nc4 12.Qc4 a6 13.a4 Qd7 14.d3 Rfd8 15.Rfd1 Bc5 16.Nb3 Bd6+=; 11.Be6 Nd3 12.Qb1 Nb2 13.Qb2 fe6 14.Ne6 Qd3 15.Nf8 Rf8 16.Qb3 Rf7+=) 11...Nc4 12.dc4 Qc8 13.Qe2 Rd8 14.Rfd1 c5 15.Nf3 Qc7 16.a3 Ne4 =.

8.Nc3 a6 9.Be2 Bb4 10.0-0 Ne4 (10...dc4 11.Bc4 ab5 12.Nb5+=) 11.Qd3 (11.Ne4 de4 12.Ne5 ab5 13.cb5 Nd7=) 11...f6 (11...dc4 12.Qc4 Bc3 13.Bc3 ab5 14.Qb3+=) 12.a3 (12.cd5 Bc3 13.Bc3 Bd5+=) 12...Bd6 (12...Bc3 13.Bc3 dc4 14.Qc4=) 13.Nd2 f5 14.f3 Bh2? (better is 14...Nc3 15.Qc3 ab5 16.cb5 c6=) 15.Kh2+– Qh4 16.Kg1 Ng3 (better is 16...dc4 17.Nc4 Nc3 18.Qc3 ab5+–) 17.Kf2?? (better is 17.Rfc1+–) 17...Nf1 (17...Ne4 18.Kg1 Ng3+–) 18.Kf1+= Qh1 19.Kf2 Qh4 20.Kg1 (20.Kg1 ab5 21.cb5+/–) 1–0. Stummerer,Alfred – Scott, corr SOK–88–21, 1988.

8.Nc3 c5 9.bc6 Nc6=+ 10.Be2 Nb4 (10...dc4 11.Bc4 Rc8 12.Be2=+) 11.0-0 (11.a3 Nc6=) 11...Rc8 12.cd5 Nbd5 13.Qb3 Nc3 14.Bc3 Bd5 15.Qb2 Qc7 16.Rac1 Qb7 (16...Qd6 17.Ba6 Rcd8 18.Ne5=) 17.Bb4 (17.a3 a5=) 17...Rfe8 (17...Bb4 18.Qb4 Ba2 19.Qa4 Rc1 20.Rc1=+) 18.Rc8 Rc8 (worse 18...Qc8 19.Bb5 Nd7 20.Ne5 Ne5 21.de5 Bb4 22.Be8+=) 19.Be7 Qe7 20.Ne5 Nd7 21.Nd3 Qd8 22.f3 Rc7 23.e4 Bb7 24.Rd1 Qc8 25.Nb4 a5 26.Nd5?? (better 26.Nd3=) 26...ed5-+ 27.Bb5 (27.Bd3-+) 27...de4 28.d5 (28.fe4 Be4 29.Ba4 Bc2 30.Bd7 Qd7-+ (worse 30...Rd7 31.Rc1 Rc7 32.Qb6-+)) 28...Nc5 (28...ef3 29.gf3 Nf6 30.Bc6 Bc6 31.dc6 Rc6 32.Qd2-+) 29.fe4 (29.d6 Qd8 30.fe4 Ne4-+ (worse 30...Be4 31.dc7 Qd1 32.Bf1-+)) 29...Ne4 30.Qe5 (30.d6 Rc2 31.d7 Qc5 (31...Rb2?? 32.dc8Q Bc8 33.Rd8) 32.Qd4 Rg2 33.Kf1 Qb5 34.Kg2 Qg5 35.Kf1 Qf4 36.Ke2 Ba6 37.Rd3 Qh2 (37...Bd3 38.Kd3 Nc5 39.Qc5 Qf3 40.Kc2 Qg2 41.Kb1 Qh1 42.Kc2 Qh2 43.Kb1 Qh1 44.Kb2 Qh2 45.Kb1 Qh1 46.Kb2 Qh2 47.Kb1=) 38.Kd1 Qh1 39.Ke2 Bd3 40.Qd3 Qg2 41.Ke3 Qg5 42.Ke4 Qe7 43.Kf4 Qd8-+) 30...Rc5 (better 30...Rc1 31.Qe4 Rd1 32.Kf2 Rd2 33.Ke3 Bd5 34.Qe8 Qe8 35.Be8 Ra2 36.Kd4 Rd2 37.Ke3 Rg2 38.h3-+) 31.Bd3 (31.Qe4 Rb5 32.Re1 Qc5 33.Kh1 Qf8-+) 31...Nf6 (better 31...Rc1!? 32.Qe4 Rd1 33.Kf2-+) 32.Bf5 Qe8 (better 32...Qa8 33.Qb2 Rd5 34.Rd5 Bd5 35.Qb6 Ba2 36.g4-+) 33.Re1?? (better 33.Qe8 Ne8 34.d6-+) 33...Qe5 34.Re5 Rd5 (34...Bd5 35.Re2 Rc1 36.Kf2-+) 35.Re7 Ba6 (better 35...Rd1 36.Kf2 Bd5-+) 36.Be4 (36.Ra7 Bb5 37.Bc2-+) 36...Rd1 37.Kf2 g6 (37...g6 38.Kf3 Rf1 39.Ke3 Nd5 40.Bd5 Re1 41.Kf4 Re7-+) 0-1. ClayPigeons (2125) - my84NrdV3lLG (2145), Rated Bullet game, lichess.org, 2021.

8.Nc3 Nbd7 9.Qb3 dc4 10.Bc4 c5 11.bc6 Bc6 12.Rc1 Rc8 13.Ke2 Bb7 14.h4 (14.Rhd1 a6=+) 14...Bf3 (14...a6 15.Bd3=+) 15.gf3 Nh5 (15...Re8 16.Ba6 Rc6 17.Nb5=) 16.Rcg1 (16.Ba6 Ra8=) 16...Bf6 (16...Ndf6 17.Ke1=) 17.Rg4 e5 18.Nd5 (18.Nb5 ed4 19.Bd4 Nc5 20.Bc5 A) worse 20...bc5 21.Rd1 (21.Na7?! Rb8 22.Nb5 Qe8+=) 21...Qa5 22.Rd5+/-; B) 20...Rc5 21.Na7 Be5+=) 18...ed4 19.Nf6 (19.Bd4 Bd4 20.Rd4 Ne5=) 19...Ndf6 (19...Nhf6!? 20.Rd4 Qc7=+) 20.Rd4+= Qc7 21.Bd3 (21.Rhd1 Rfe8+=) 21...Rfd8 22.Rc4 Qd7 23.Rc8 Rc8 24.Bf6 (24.Rd1 Qe7=) 24...Nf6=+ 25.Rg1 Qc6 26.h5 (26.Rd1 Qe8=+) 26...h6 27.Rg3 (27.Rd1 Nh5 28.Be4 Qe8-/+) 27...Nh5 28.Rg4 Nf6 29.Rf4 Qc3 30.Qb1? (30.Ra4 Qb3 31.ab3 Rc7-/+) 30...Qa5 (30...Nd5 31.Rg4 h5 32.Rg1-+) 31.e4 (31.Rc4 Rc4 32.Bc4 Qc3-/+) 31...Rc3 (31...Re8 32.Qb2-+) 32.Rf5 Qa3 33.e5?? (better 33.Rb5-+) 33...Nd5 (33...Rc1 34.Qb3 Qa5 35.f4-+) 34.e6 (34.Be4 Rc1 35.Qb3 Nc3 36.Kd2 Rd1 37.Qd1 Nd1 38.Kd1-+) 34...fe6 35.Re5 (35.Rd5 ed5 36.Bh7 Kh8-+) 35...Rc5 (better 35...Nf4 36.Kf1 Nd3 37.Kg2 Nf4 38.Kg3 Rf3 39.Kg4-+) 36.Kf1 (36.Rd5 ed5 37.Bc2-+) 36...Qc3 (better 36...Rc1 37.Qc1 Qc1 (37...Qd3?! 38.Kg2-/+) 38.Re1 Qc3-+) 37.Bh7 (37.Re6 Nf4 38.Re3 Qc1 39.Re1 Rh5-+) 37...Kh8 (better 37...Kf8 38.Re1 Qc4 39.Kg1 Nc3-+) 38.Qg6?? (38.Re6 Rc8 39.Re1-+) 38...Qe5 39.Bg8 (39.Bg8 Rc1 40.Kg2 Nf4 41.Kg3 Ng6 42.f4 Qf4 43.Kg2 Nh4 44.Kh3 Rh1). ClayPigeons (2125) - kingsuu (2150), Rated Bullet game, lichess.org, 2020.

8.Nbd2 dc4 9.Nc4 Nbd7 10.Be2 a5 11.0-0 c5 12.bc6 Bc6 13.a4 Rb8 14.Nce5 Ne5 15.Ne5 Ba8 16.Bb5 Bd6 17.Nc6 Bc6=+ 18.Bc6 Rc8 19.Rc1+= Nd5 20.e4 Nb4 21.Bb5 Rc1 22.Qc1 Qc8 23.Qd2 Qc2 24.Qc2 Nc2 25.Rc1 Nb4 26.Kf1 Nd3?? 27.Bd3+– 1–0. carocan (1785) – wicher66 (1640), kurnik, 2011.

8.Nbd2 Nbd7 9.Bd3 dc4 10.Bc4 a6 11.a4=.

8.Nbd2 Nbd7 9.Bd3 Rc8 10.0-0 c5 11.bc6 Bc6 12.Qe2 Bd6 13.Ne5 Be5 14.de5 Ne8 15.cd5 Bd5 16.e4 Bb7 17.Nb3 Nc7 18.Rac1 Qe7 19.Bd4 Rfd8 20.Rc4 Qa3 (20...Nb8 21.Rfc1+=) 21.Rfc1+– Ne8 22.Rc8 Bc8 23.Bb2 (23.Rc3!?+–) 23...Qa2= 24.Nd4 Nc5? (better 24...Ne5 25.Ra1 Qa1 26.Ba1 Nd3 27.Qd3 e5+–) 25.Ra1+– (25.Ra1 Qa1 26.Ba1+–) 1–0. DEFFM – GuestZPLW, freechess.org, 2018.

8.Nbd2 Nbd7 9.Bd3 h6 10.0-0 c5 11.bc6 Bc6 12.Qb3 Rc8 13.Rfc1 dc4 14.Nc4 (14.Bc4 Rc7+=) 14...Bd5 15.Nfd2 Bb7 (15...Rb8 16.Qd1=) 16.a4 1–0. DEFFM – GuestZPLW, freechess.org, 2018.

8.Bd3 a6 9.a4 ab5 (9...dc4 10.Bc4 ab5 11.ab5 Ra1 12.Ba1=) 10.ab5 (10.cb5 Bb4 11.Bc3 Bd6=) 10...Ra1 11.Ba1 c5 12.bc6 (12.0-0 dc4 13.Bc4 Qc7=) 12...Nc6=+ 13.0-0 Nb4 14.Be2 dc4 15.Bc4 Nbd5 (15...Qd6 16.Nc3=+) 16.Qb3 (16.Bb2 Qc7 17.Qe2 Nb4=) 16...Qc7 17.Nbd2 Rc8 18.Bb2 Ne4 19.Rc1 Nd2 20.Nd2 Qd8 21.Nf3 Bf6 22.Nd2 Be7 23.Ne4 Nb4 24.Nd2 Bd5 25.Ba3 (25.e4 b5 26.Bd5 Rc1 27.Bc1 ed5=) 25...Bc4 (25...b5 26.Bd5 Rc1 27.Bc1 Qd5 28.Ba3=) 26.Nc4 b5 27.Bb4 bc4 (27...Bb4 28.Qb4 Qd5 29.e4 Rc4 30.Rc4 (30.ed5?? Rc1 31.Qe1 Re1) 30...Qc4 31.Qc4 bc4 32.Kf1+-) 28.Rc4+= Bb4 (better 28...Rb8!? 29.Qc3 Qf8 30.Be7 Rb1 31.Qc1 Rc1 32.Rc1 Qa8=) 29.Qb4+/- Ra8 30.Rc1 g6 31.Qc5 Rb8 32.Qc7?? (better 32.Qe5+/-) 32...Qc7-+ 33.Rf1 (33.Rc7?? Rb1 34.Rc1 Rc1) 33...Qb6 (33...Rb2 34.Rd1-+) 34.Re1 Qb1! 35.Rf1 (35.Rb1 Rb1 Mate attack) 35...Qf1! 36.Kf1 Rb1 (36...Rb2 37.g4-+) 37.Ke2 Rh1 38.Kf3 (38.h3 Rb1-+) 38...Rh2 39.Kg3 Rh1 40.Kf3 Rc1 41.g3 (41.Kf4 h5-+) 41...Rd1 (41...h5 42.Ke2-+) 42.Kg2 (42.Ke2 Ra1-+) 42...Kg7 43.Kf3 Kf6 44.Kg2 (44.Ke2 Ra1-+) 44...Kf5 45.Kf3 e5 46.g4 Kg5 47.d5 (47.de5 Rg1-+) 47...Rd5 48.e4 (48.Kg3 e4-+) 48...Ra5 49.Kg2 Ra4 50.f3 Rd4 51.Kg3 Rd3 52.Kf2 Kf4 53.Ke2 Rf3 54.Kd2 Rg3 (54...h5 55.g5 h4 56.Kd1 h3 57.Kc2 h2 58.Kd2 h1Q 59.Ke2 Qg2 60.Ke1 Rf1) 55.Ke2 Rg4 56.Kd3 Rg3 57.Kc4 Re3 58.Kd5 Re4 59.Kd6 Re3 60.Ke7 h5 61.Kf8 h4 62.Kg7 h3 63.Kf8 h2 64.Kf7 (64.Ke7 f5 65.Kf7 h1Q 66.Kg7 Qb7 67.Kf6 Rc3 68.Kg6 Rc6 69.Kh5 Qh7) 64...h1Q 65.Ke7 Qf1 (65...Qb7 66.Kd6 Rc3 67.Ke6 Rc6 68.Kd5 Qd7) 66.Ke6 (66.Kd7 Qa6 67.Ke7 Rb3 68.Ke8 Qa7 69.Kd8 Rb8) ½-½. ClayPigeons (2180) - PubliusOvidius (2090), Rated Bullet game, lichess.org, 2020.

8.Be2 Nbd7 9.0-0 Re8 10.Qc2 a6 11.ba6 Ba6 12.Ne5 (12.Nbd2 c5=) 12...dc4 (12...Ne5 13.de5 Nd7 14.Nd2=) 13.Nc6= Qc8 14.Bc4 Bc4 15.Qc4 Bd6 16.Rc1 Qa6 17.Qc2 Qb7 (17...Nb8 18.Ne5=) 18.Nd2 Nd5 19.g3 (19.Ne4 f5 20.Ng5 N7f6=) 19...Nb4 (better 19...Nb8!? 20.Nb8 Reb8=) 20.Nb4+/- Bb4 21.Nc4 (better 21.Qc7!? Qc7 22.Rc7+/-) 21...b5=+ 22.Nd2 Bd6 23.Ne4 Rac8 (23...Nb6 24.Rcb1=) 24.a3 (24.Qc6 Qc6 25.Rc6 Nb8+=) 24...Nb6= 25.Qd3 Nc4 26.Bc3 (26.Rc2 Ra8= (worse 26...Nb2 27.Rb2 Rb8 28.Rab1+/-)) 26...Be7 (26...Ba3 27.Rcb1 Qc6 28.Nd2=+) 27.Rcb1 (better 27.a4 ba4 28.Ra4=) 27...Qa6?? The pressure on the isolated pawn grows (27...Qd5 28.a4 Na3 29.Rd1 ba4 30.Nc5 Bc5 31.dc5=+) 28.Bb4 (better 28.a4!?+/-) 28...Bb4 (28...f5 29.Nc5 Bc5 30.Bc5+=) 29.Rb4+= Qb7? (better 29...e5!?+=) 30.Nc5 (30.Ng5 h6 31.Qc4 Rb8+-) 30...Qd5 31.Rb5 c6 (31...e5 32.Qb3 c6 33.Rb4+-) 32.Rb4+- Nd6 33.f3 (33.a4 Qh5+-) 33...Rb8 (better 33...Qf3!? 34.Rf1 Qh5+=) 34.e4+- Qg5 35.Rab1 (35.Rb8!? Rb8 36.a4 Rb4+-) 35...Rb4+/- 36.ab4 Qc1?? (better 36...Nb5+/-) 37.Rc1+- 1-0. ClayPigeons (2080) - NaijaKiddo (2030), Rated Bullet game, lichess.org, 2020.

8.Be2 Nbd7 9.Nc3 c5 (9...a6 10.a4=) 10.dc5 (10.cd5 Nd5 11.0-0 Nc3 12.Bc3 a6=) 10...Nc5 11.cd5 (11.0-0 dc4 12.Bc4 Qc7=) 11...Nd5 12.Nd5 Bd5 13.0-0 Bf6 (13...Rc8 14.Qd4 Bf6 15.Ne5–/+) 14.Bf6 Qf6 15.Qd4 Qe7 (better is 15...Qh6=) 16.a3? (better is 16.Rfd1=) 16...Nb3–+ 17.Qc3 (17.Qf4 Na1 18.Ra1 Bf3 19.Bf3 Rac8–+) 17...Na1 (17...Rac8 18.Qb2 Na1 19.Ra1–+) 18.Ra1 Rac8 19.Qd4 (19.Qb2 Qc5–+) 19…Rc2 (19...Rc2 20.Bd3 Rc7–+; 19...Rfd8 20.e4 Ba8 21.Qa4–+) 0–1. Guenther – Kucharkowski,Jens, Freital, 1982.

8.Nc3 0-0 9.d4 Bb7 10.Bc4 c6 11.0-0 c5 12.dc5 Bc5 13.Qc2 Qe7 14.Rad1 Nbd7 15.Nd4 Rfd8 16.Nc6 Bc6 17.bc6 Nb8 18.Bb5 a6= 19.Rd8 Qd8 20.Bd3 Nc6 21.Ne4 Ne4 22.Be4+= Rc8 23.Bh7 Kf8 24.Rd1 Qe7 25.Bd4?? Bd4–/+ 26.Rd4 g6 27.Rf4? b5?? 28.Bg6+– f6 29.Bh5 Rc7 30.Qg6 f5 31.Qh6 Kg8?? 32.Qg6 Kf8= 33.Qh6 ½–½. gtate – kostaspetidis (1900), net–chess.com, 2001.

8.Nc3 0-0 9.Nd5 Qd5 10.Be2 (10.Bf6 Bf6 11.d4 c5=) 10...Rd8 (10...a6 11.Be5=) 11.0-0 (11.Bf6 Bf6 12.d4 c5=) 11...Ne4 12.d3 (better is 12.d4=) 12...Qc5?? (better is 12...Qb5 13.Qc2 Qc5=+) 13.Qb3 (13.Bd4 Rd4 14.ed4 (14.Nd4?! Nc3 15.Qc2 c6+–) 14...Nf2 15.dc5 (15.Kf2?! Qb5 16.Qc2 c6+–) 15...Nd1 16.Rad1+–) 13...Nd6+/– 14.a4 c6 15.Rac1 Qd5 16.Qd5 cd5 17.Ne5 Bf6 18.Ba1 Be5 19.Be5+/– Nb7 20.Rc7+– Nc5 21.Rc1 Nbd7+/– 22.Bd1?? Nd3 23.Bg3 Nc1 24.Rc1 Rac8 25.Rb1 Nc5 26.h3 Ne4 27.Bh4 Re8 28.f3 Nc3 29.Ra1 Nd1 30.Rd1 Rc4 31.Bg3 Ra4 32.e4 Rd8 33.Bc7 Rc8 34.ed5 Rc7 35.d6 Rd7 36.Rc1 g6 37.Rc7 Rc7 38.dc7 Rc4 (39.Kf2 h6–+) 0–1. Dopper,Johan – in 't Veld,Martin, 1991.

8.Be2 a6 9.ba6 Na6 10.0-0 Nb4 (10...0-0 11.Nc3=+) 11.a3 Bb3?? (better 11...Na6=) 12.Qb3+- Nbd5 13.Nc3 (13.Bb5 Kf8+-) 13...Nc3 14.dc3 0-0 15.Rfd1 Qc8 16.Nd4 Bc5 17.a4 (17.Bf3 Ra6+-) 17...Bd4 (17...c6 18.c4+-) 18.ed4 Nd5 (18...Qd7 19.c4+-) 19.c4 Nf4 20.Bf1 (20.Bf3 Ra7+-) 20...Qb7 (20...Rd8 21.d5+-) 21.Qg3 (21.g3 Ng6+-) 21...Ng6 22.d5 ed5 (22...Rfe8 23.Bd3+-) 23.cd5 Rfd8 24.Bc4 Qc8 25.Qc3 f6 26.d6 Kh8 27.dc7 (better 27.Qf6! Rd7 (27...gf6?? 28.Bf6) 28.Be6 Qb8+- (28...gf6 29.Bf6 Rg7 30.Bc8 cd6 31.Bb7+-)) 27...Qc7 28.Rd8 Rd8 29.Bb5 Qc3 30.Bc3 Ne7 (30...h6 31.Re1+-) 31.a5 (31.Re1!? Nf5+-) 31...ba5 32.Ba5 Ra8 33.Bc3 Rb8 34.Be2 Nd5 35.Bd4 h6 36.h3 Nf4 37.Bf3 Rd8 38.Be3 Nd3 (38...Ne6 39.Be4+-) 39.Ra8 (better 39.Rd1 f5 40.Be2 f4 41.Bf4 Rd4+-) 39...Ra8 40.Ba8 g6 (40...g5 41.Be4 Ne5 42.f4+-) 41.Be4 (41.Be4 Ne5 42.Bh6+-) 1-0. retiponziani (1955) - tburke (1770), ChessWorld.net, 2020.

9.Bc4 0-0 10.0-0 c5 11.a4 Nbd7 12.Bd3 (12.d3!?=) 12...Bf3–/+ 13.gf3 Ne5 14.Be2 Qc7 (14...Nd3!?=+) 15.f4= Ng6 16.f3 (16.Qc2 Rad8=) 16...Rad8 17.Qe1 Nh5 18.Ne4 h6 (18...f5 19.Nf2=+) 19.Kh1 f5 20.Ng3 Bh4 21.Rg1 Qd7 22.Bc3 Qd5 23.Qc1 Ng3 24.hg3 Bf6 25.Rd1 Kh7 (25...e5 26.a5=) 26.Kg2 (26.Bf6 Rf6 27.d4 Rff8+=) 26...e5= 27.Rh1 (27.fe5!? Be5 28.a5=) 27...ef4=+ 28.Bf6 (better is 28.ef4!? Rfe8 29.Re1=+) 28...Rf6–/+ (28...gf6?! 29.ef4 Rfe8 30.Bc4 Qd2 31.Kg1–/+) 29.Rd1 (better is 29.ef4!? Re6 30.Re1–/+) 29...fg3–+ 30.Bc4?? (30.d4 f4 31.Bd3 fe3 32.Qe3 cd4–+) 30...Qb7 31.d4?? Nh4 32.Kg1 Nf3 33.Kf1 cd4 34.ed4 Nd4 35.Kg1 Rfd6 36.Rd4 Rd4 37.Qc2 Qf3 38.Rf1 Qe3 39.Kh1 Rh4 (40.Kg2 Rh2#) 0–1. Wittner – Donkoff, Hockenheim, 1994.

9.Bc4 0-0 10.0-0 c5 11.Qe2 Nbd7 12.Rac1 (12.Rad1 Qc7=) 12...Qc7 (12...Bf3 13.gf3 Ne5 14.Rfd1=+) 13.Rfd1 Bd6 14.d4 (14.h3=) 14...Rac8 (14...cd4 15.Nd4 Bh2 16.Kf1=+) 15.Na4 (15.d5 Rfe8+=) 15...Qb8 (15...Bf3 16.Qf3 Bh2 17.Kf1=+) 16.dc5= bc5 17.Nc3 (better is 17.h3!?=) 17...Bf3–/+ 18.Qf3 Ne5 19.Qe2 Nc4 20.Qc4 Bh2 21.Kf1 Be5 22.a4 Bc3 (22...a6 23.Kg1–/+) 23.Bc3 Nd5 24.Ba1 (24.Kg1 Qc7=+) 24...Qh2–/+ 25.Ke2 (25.Qg4 Qh6=+) 25...Qh5 (25...Qg2?? 26.Rg1 Qg6 27.Rg6 hg6 28.Qe4+–) 26.g4 Qg6 27.Rh1 f5 28.Rhg1 f4 29.e4? (better is 29.Qc2 Qc2 30.Rc2 f3 31.Kd1–+) 29...f3 30.Ke1 (30.Kd2 Nb6 31.Qc2 Rcd8 32.Kc3–+) 30...Rf4 (31.Kf1 Re4–+) 0–1. Moehring,Norbert (1950) – Josting,Friedel (1865), 31.Alpenpokal Oberstdorf op, 2005.

9.d4 Nbd7 10.Bc4 Bb4 11.0-0 Qe7 (11...a6!?=) 12.a3+= White terminates the opponent with strong threats 12...Ba5 13.Ne5 0-0-0 (13...Ne5 14.de5 Nd7 15.Qg4+=) 14.Nc6 Bc6 15.bc6 Nb8 16.Nb5 The mate threat is Nxa7 16...Nc6 17.Qf3 Qd7?? (better 17...Nd5 18.e4 Nf6+/-) 18.Na7!!+- Na7 (18...Kb7 19.Nc6 Nd5+-) 19.Qa8 Theme: Double Attack 1-0. GuestLYRF – Raylist, freechess.org, 2020.

9.Be2 a6 10.a4 0-0 11.0-0 c6 12.Ne5 cb5 13.ab5 ab5 14.Ra8 Ba8 15.Bb5 Qc7 16.Na4 Nbd7 (16...Rd8 17.Qe2=) 17.Qc1 Rc8 18.Qc7 Rc7 19.Nd7 Nd7 20.Rc1 Rc1 21.Bc1 Nf6 22.Nb6 Bb7 23.f3 h5 24.d4 Nd5 25.Nd7 Nc3 26.Bc4 Bc6 27.Ne5 Bb5 28.Bd2 Bc4 29.Nc4 Nb5 30.Kf2 f6 31.Ke2 Kf7 32.g3 Nc7 33.Kd3 Bd8 34.Nd6 Ke7 35.Nb7 Kd7 (35...Na6+–) 36.Nd8 Kd8 37.Ba5 Kd7 38.Bc7 Kc7 39.e4 Kd6 40.Kc4 White prepares the advance d5 40...g6 41.d5 ed5 42.ed5 g5 (42...Ke7 43.Kc5 Kd7+–) 43.g4 1–0. forsetinn (2025) – bookkeeper (1680), gameknot.com, 2013.

13.a4 c6 14.Nd5 (14.Bd3 Nb4 15.Be2 Ba6 16.e4 Bd6 17.Rb1 Qd7 18.Ba3 Be2 19.Qe2 N8a6+=; 14.Be2 Ba6 15.e4 Be2 16.Qe2 Nf4 17.Qe3 Bg5 18.Ng5 Qg5 19.g3 Nh3=; 14.Bc4 Ba6 15.Ba6 Na6 16.Ne5 Bd6 17.Nc6 Nc3 18.Bc3 Qc7 19.d5 Bh2+=) 14...cd5 (14...ed5 15.Bd3 Ba6 16.Ba3 Re8 17.Be7 Qe7 18.Ba6 Ra6 19.Qd2 Qa7=) 15.Qd2 (15.Qd3 Ba6 16.Rfc1 Qe8 17.Ne5 f6 18.Ba6 Na6 19.Nc6 Bc5+=) 15...Ba6 16.g3 (16.Qd3 Bb5 17.ab5 Ra5 18.Ra5 ba5 19.Ra1 Bb4+=) 16...Bd6 17.Kg2 (17.Ne5 f6 18.Nf3 Rf7 19.Rfc1 Rfa7+=) 17...Bb5 (17...Nd7 18.Rfc1 Bb5 19.ab5 Qf6+=) 18.ab5 Nd7 19.Ne5 (19.Ra8 Qa8=) 19...Ne5 (19...Be5+=) 20.de5 Bc5 21.Bd4 Qe7 22.Qb2 Qb7 23.Rfc1 Ra1 24.Ra1 Qe7 25.Ra6 Rb8 26.h4 h6 27.Qa1 Qc7 (27...Qe8 28.Qf1+=) 28.Ra7 Bd4 29.ed4 (29.Rc7? Ba1 30.f4 h5–+) 29...Qc4 30.Qb2 ½–½. rayfranke (2470) – mpenga (2460), net–chess.com, 2014.

13.a4 Nd7 14.Qe2 (14.Qc2 Nc3 15.Bc3 Nf6 16.Ne5 Bd6 17.a5 Be4 18.Qb2 ba5 19.f3 c6=; 14.Nd5 Bd5 15.Bd3 f5 16.Bc3 Nf6 17.Ne5 Ne4 18.Be4 Be4 19.a5 ba5=; 14.Rc1 Bd6 15.Bd3 Nc3 16.Bc3 Nf6 17.Ne5 Ne4 18.f3 Nc3 19.Rc3 Qg5+=; 14.Bd3 Nb4 15.Bb5 Bd6 16.Qe2 Nf6 17.e4 Nh5 18.Ne5 Nf4 19.Qf3 f6=) 14...N7f6 15.Rfc1 Bd6 16.Nd5 Bd5 17.Ba3 Qe7 18.Bd6 Qd6 19.Ne5 Ne4 =.

13.Bc4 Nd7 14.Nd5 (14.Bd3 N7f6 15.Ne5 Nc3 16.Bc3 Qd5 17.f3 Ra2 18.e4 Ra1 19.Qa1 Qd6+=; 14.Qe2 N7f6 15.Rfc1 Nc3 16.Bc3 Ba3 17.Rc2 Be4 18.Bd3 Qd6 19.Ne5 Bd3=; 14.Rc1 Nc3 15.Bc3 Nf6 16.Ne5 b5 17.Qb3 Bg2 18.Kg2 bc4 19.Qc4 Ra3=; 14.Re1 N7f6 15.Ne5 Nc3 16.Bc3 Bd6 17.Rc1 Ne4 18.Bb2 Qh4 19.Qc2 Bd5+=) 14...Bd5 15.Bd3 Bd6 16.e4 Bb7 17.Qe2 Re8 18.Rfc1 f5 19.e5 Ba3 =.

13.Bd3 Nb4 14.Bc4 (14.Be2 Qd6 15.Qb3 N8c6 16.a3 Nd5 17.Rac1 Nf6 18.Nb5 Qd8 19.Qc2 Nd5=; 14.Bb5 Ra5 15.Qe2 N8c6 16.Rfc1 Na7 17.Bc4 Nc8 18.a3 Nd5 19.Nd5 Bd5+=; 14.Bb1 N8c6 15.a3 Nd5 16.Qc2 f5 17.Ba2 Qd6 18.Bc4 Na7 19.Ne5 Nc3=; 14.Be4 Be4 15.Ne4 Ra2 16.Ra2 Na2 17.Qe2 c6 18.Ra1 Qd5 19.Ned2 Nb4+=) 14...Ba6 15.Ba6 N8a6 16.e4 Bf6 17.a3 Nc6 18.Ne2 Qd7 19.Qc2 Rfd8 +=.

13.Nd5 Bd5 14.a4 (14.Bd3 f5 15.a3 Nd7 16.Qc2 Bd6 17.Rfc1 Qf6 18.Bc4 Bf3 19.gf3 c6=; 14.Qe2 Ra2 15.Ra2 Ba2 16.Ra1 Bd5 17.e4 Bc6 18.Bc4 Bd6 19.Ra7 Nd7=; 14.a3 c6 15.Bd3 f5 16.Qe2 Nd7 17.Rfc1 Bd6 18.a4 Qe7 19.Bc4 Rfc8=; 14.Qc2 Bf3 15.gf3 Bd6 16.f4 Qh4 17.Rfc1 Rd8 18.Bd3 Na6 19.a3 c5=) 14...Nd7 15.Bd3 f5 16.Ba3 c5 17.Bb5 Bd6 18.Rc1 Qe7 19.Bd7 Qd7 =.

13.Qe2 c6 14.Bc4 (14.Nd5 ed5 15.Bd3 Ba6 16.Ba6 Na6 17.Ne5 Qd6 18.Rfc1 Rfc8 19.Qg4 Rc7=; 14.Bd3 Ba6 15.Nd5 ed5 16.Ba6 Na6 17.Ne5 Qd6 18.Rfc1 Rfc8 19.Qg4 Rc7=) 14...Ba6 15.Ba6 Na6 16.Ne5 Bd6 17.Rfc1 Be5 18.de5 Nc5 19.Nd5 Qd5 =.

13.Be2 Nc3 14.Bc3 Be4 15.Nd2 Bg6 16.Bf3 Ra7 17.Nc4 Nd7 18.a4 Nf6 19.Ne5 Be4 =.

8.0-0 Nbd7 9.d4 Ne4 10.Nbd2 f5 11.g3 h5 12.Nb1 Qe8 13.Ba3 Ba3 14.Na3 Nc3 15.Qc2 Ne2 16.Qe2 Qe7 17.Nc2 dc4 18.Nh4 Qf7 19.Qc4 g5 20.Ng2 h4 21.Nge1 hg3 22.hg3 Nf6 23.Nb4 Bd5 24.Nd5 Nd5 25.Nf3 Qh5 26.Kg2 g4 27.Nh4 Kg7 28.Rh1 Qg5 29.a4 Qe7 30.Rac1 Rad8 31.Ra1 Qg5 32.a5 Rf7 33.a6 Qe3 34.Qd5 Qf2 35.Kf2 Rd5 36.Rab1 Rd4 37.Rhd1 Rfd7 38.Ke2 Kf6 39.Rd4 Rd4 40.Rc1 Rd7 41.Rc6 Re7 42.Ke3 Kg5 43.Ng2 ½–½. Oliveira,Leonardo – Figueiredo,Francisco M, Brazil, 1999.

8.a4 0-0 9.Be2 Nbd7 10.0-0 Nc5 11.Ba3 Bc6?? (better 11...a6=) 12.bc6+- e5 (12...Re8 13.a5!+-) 13.Ne5 Nfe4 (13...d4 14.Qc2+-) 14.Bc5 (14.d4 f6 15.Nf3 Ne6+-) 14...Nc5 15.cd5 Qd5 16.d4 Ne4 17.Bf3 f5 (17...Bb4 18.Qd3 f5 19.Qb5 Qb5 20.ab5+-) 18.Nd2 (better 18.Nc3! Qe6 19.Ne4 fe4 20.Be4 Bd6+-) 18...Bf6 19.Be4 fe4 20.Qg4 (better 20.Nd7 Rf7 21.Qc2+-) 20...Be5 21.de5 (21.Qe4!? Qe4 22.Ne4 Bf6+-) 21...Qd2 22.Qe4 (22.Rad1 Qc3 23.Qe4 Rae8+-) 22...Rad8 23.e6 (23.Qc4 Qd5 24.Qd5 Rd5+-) 23...Rfe8 (23...Rd6 24.e7 Re8 25.a5 ba5 26.Rfb1+/-) 24.e7 (24.Qf3!? Rf8 25.Qg4 Qd6+-) 24...Rd6+/- 25.Rfc1 Kf7 (25...Qd3!? 26.Qd3 Rd3+/-) 26.Qh7+- Re7 (26...Qd5 27.e4 Qe5 28.Ra3+-) 27.Qf5 (better 27.Qh5!? g6 28.Qh7 Kf8 29.Qh8 Kf7+-) 27...Rf6+/- 28.Qh5 Kg8 29.Qh4 Ref7 30.f3 (30.Rf1 Qd6+/-) 30...Rg6 (better 30...Qe3!? 31.Qf2 Qf2 32.Kf2 Rh6+=) 31.Qf2+- Qd5 32.Qe2 (better 32.e4!? Qb3 33.Kh1+/-) 32...Rf3+= 33.Kh1 (better 33.Rc3+=) 33...Re3-/+ 34.Qa2 (better 34.Qf1-/+) 34...Rb3?? (34...Qa2 35.Ra2 Rc6 36.Rb1-+) 35.Rg1 (35.Rd1!? Qc4 36.Rac1=) 35...Rd6 (35...Rd3 36.Qd5 Rd5 37.Rgc1-/+) 36.Raf1 (36.Rgc1 a6=+) 36...Kh7 (36...Rb4 37.Qe2 Qc6 38.Rc1-/+) 37.Qc2 Qd3 38.Qd3 Rbd3 (worse 38...Rdd3 39.Rf7=) 39.Rc1 Ra3 40.Rc4 a5 (40...Ra2 41.h3-/+) 41.h3=+ Rad3 42.Kh2 (42.Rf1 Kg8 43.Re1 Kf7=) 42...R3d4 (42...R6d4 43.Rgc1-/+) 43.Rd4 (better 43.Rgc1!?=+) 43...Rd4-/+ 44.Ra1 Rc4 45.Ra3 Rc6 46.Rb3 Rc4 47.Ra3 Rb4 48.h4? (48.Kg3 c5-+) 48...c5 (48...Rh4!? 49.Kg3 g5 50.Kf3-+) 49.g3 c4 50.Kh3 (50.Kg2 Kg6-+) 50...Rb3 (50...Kg6!? 51.Ra2-+) 51.Ra2 c3 52.Rc2 1-0. Dino_Jarach (1805) - junara (1725), lichess.org, 2020.

8.a4 c5 9.0-0 =.

8.Qc2 dc4=+ 9.Qc4 c6 10.a4 c5 (10...a6 11.Nc3=+) 11.0-0= Nbd7 12.d4 cd4 (12...Rc8 13.Nc3=) 13.Nd4 (13.Qd4!? Qb8 14.Rd1=) 13...Rc8=+ 14.Qd3 Ne5 15.Qd1 Nc4 16.Bc1 Bd6 17.Nd2 Ne5 (17...Nd2 18.Bd2 Ne4 19.a5=+) 18.Bb2 Ng6 (18...Nd5 19.Qb3=) 19.Rc1 Qd7 (19...Rc1 20.Qc1 Qb8 21.f4=) 20.Bf3 (20.Nc4 Be7+=) 20...Nd5 21.Nc4 Bb8 22.Qb3 Nh4 23.Nd2 (23.Be2 Qd8 24.g3 Qg5+=) 23...Nf3 24.N2f3 f6 (24...Nf6 25.Rfd1 Bd5 26.Qb4=) 25.Rfd1 Kh8 (25...Rc1 26.Rc1 Bd6 27.e4+=) 26.e4 (better 26.Nc6 Bc6 27.bc6+=) 26...Rc1? (better 26...Nf4!? 27.Rc8 Qc8+=) 27.Bc1+/- (27.Rc1?! Nf4 28.Qe3 Rc8=) 27...Ne7?? (better 27...Nc3 28.Qc3 e5+/-) 28.Ne6+- (28.Qe6?! Rd8 29.Re1 Ng6+/-) 28...Qe8 29.Nf8 Qf8 30.Qd3 Ng6 (30...Ng8 31.Qd8 Qd8 32.Rd8+-) 31.Qd8 Be4 32.Qf8 Nf8 33.Rd8 Kg8 (33...Bd6 34.Nd2 Bf5 35.Rd6+-) 34.Ba3 Kf7 (34...Bh2 35.Kh2 h6 36.Rf8 Kh7 37.Rf7+-) 35.Rf8 Ke6 36.Rb8 1-0. AhmedSultanov (1705) – SaladinAqsa, lichess.org, 2019.

8.Nc3 Nbd7 9.a4 (9.cd5 Nd5 10.0-0 (10.Nd5 Bd5= 11.0-0 c5 12.Rc1 Bf6 13.d4=) 10...N7f6 11.Rc1 a6 12.Nd5 Nd5 13.a4=) 9...h6 (9...dc4 10.Bc4 (10.0-0 a6 11.Bc4 Bf3 12.gf3 Ne5 13.Be2=) 10...Rc8 (10...Bf3 11.Qf3 Ne5 12.Qe2 a6 13.ba6=) 11.d3 (11.Rc1= c6 12.Ne2 Ne4 13.0-0+=) 11...Bf3 12.Qf3 Ne5 13.Qe2=) 10.a5 (10.cd5 Nd5 11.0-0 (11.Nd5 Bd5= 12.Qc2 Rc8 13.e4+=) 11...Nb4 12.d4 c5 13.bc6+=) 10...ba5 (10...dc4 11.Bc4 ba5 (11...a6 12.ba6 Ba6 13.Ba6=) 12.d3 (12.Ra5= c6 13.Ra1+=) 12...Bf3 13.Qf3=) 11.Ra5 (11.cd5 ed5 (11...Nd5 12.Nd5 Bd5 13.Qc2=) 12.0-0 Bb4 (12...Nb6= 13.Qc2+=) 13.Na2=) 11...c5 (11...dc4 12.Qa1 Bf3 13.Bf3+=) 12.Ra1 d4 (12...dc4 13.Bc4 Ng4 14.Be2=) 13.Na4 (13.ed4!? cd4 14.Nd4 Bg2 15.Rg1=) 13...e5+= 14.ed4 (14.d3 e4 15.de4 de3 16.fe3 Ne4+=) 14...cd4 15.0-0 (15.Qb3!?+=) 15...d3!–/+ 16.Ne5 (16.Bd3 e4 Double attack (16...e4 Decoy)) 16...Ne5–+ 17.Be5 de2 (17...Nd7 18.Bc3 de2 19.Qe2–+) 18.Qe2–/+ Re8 (better is 18...Nd7 19.d4 Ne5 20.de5 Qc7–+) 19.Bf4? (19.d4!?–/+) 19...Ne4 (19...a6 20.b6–+) 20.d3 (20.Be3 Bb4 21.Rfd1 Qf6–+) 20...Nc5 21.Nc5 Bc5 22.Qc2 (22.Qd2 Qb6–+) 22...Qf6 23.g3 g5 24.Qd1 gf4 25.Qg4 Qg5 26.Qd7 Re7 27.Qh3 Rae8 28.g4 f5 (28...f5 29.d4 Bd4 30.Rad1 fg4 31.Qg2 Bg2 32.Rd4 Bf1 33.Rd6 Re1 34.Rg6 Qg6 35.h3 gh3 36.Kh2 Qg2#; 28...Bf2 29.Rf2 Re1 30.Re1 Re1 31.Rf1 Qc5 32.d4 Qd4 33.Qe3 Qe3#) 0–1. Chirpii,Alexandru (1650) – Jianu,Vlad Cristian (2225), Centrocoop Sept op–A, 1998.

8.d3 dc4 9.dc4 Qd1 10.Bd1 a6 11.0-0 (11.Nc3 ab5 A) 12.Nb5 Na6 (12...c6 13.Nbd4 Rd8 14.0-0 Nbd7 15.Bc2 Ba3+=; 12...Rc8 13.Bc2 Na6 14.a3 Nc5 15.Rd1 Bf3+=) 13.Be5 Nd7 14.Bc7 Bf6 15.Nfd4 Nc7–/+; B) 12.cb5 Rc8 (12...c6 13.Be2 cb5 14.Nb5 Rc8 15.a3 Nbd7+=) 13.Be2 Nd5 14.Nd5 Bd5 15.a3 c6+=) 11...Rd8 12.a4 (12.Be2 c5 13.Nc3 ab5 14.Nb5 Ra4 15.Nc3 Bf3=; 12.Nc3 ab5 13.Nb5 Na6 14.Be2 c6 15.Nbd4 c5+=) 12...Nbd7 13.Nbd2 (13.Be2 Nc5 14.Nbd2 Nfe4 15.Rfd1 ab5+=) 13...ab5 (13...Bb4 14.Bc2+= (14.Be2 Nc5 15.Rfd1 Nfe4=) 14...Bd6 15.Rfd1 Nc5=; 13...Bd6 14.Bc2 h6 15.Rfd1 Nc5=) 14.ab5= Ra1 15.Ba1 Ne4 (15...c6=) 16.Bc2 Ndc5 17.Rd1 f6 18.Ne4 Rd1 19.Bd1 Be4 20.Nd2 Bd3 21.Bf3 Kf7 22.g3 Bd6 23.h4 f5 24.Bc6 g6 25.f4 Ne4 26.Be4 fe4 27.Bc3 Be7 28.Kf2 Ke8 29.Kg2 Bc5 30.Kf2 h5 31.Nb3 Bc4 32.Nc5 bc5 33.Ba5 Kd7 34.b6 cb6 35.Bb6 Kd6 36.Ba7 Kd5 37.Bb8 Bd3 38.Be5 Kc6 39.Ke1 Kd5 40.Kd2 Bb5 41.Kc3 Bc4 42.Kd2+= Bf1 43.Kc3= Bh3 44.Bf6 Bf5 45.Be5= Bg4 46.Kd2 Kc4+= 47.Bd6 Bf3 48.Be5 Bg2 49.Kc2 Bh3 50.Bf6 Bf1 51.Be5 Bd3 52.Kb2 Kd5 53.Kc3 Be2 54.Kb3 Bd3 55.Kc3 Kc6 56.Bb8 Bb5 57.Be5+= Kd7 58.Kc2= Bf1 59.Kc3 Bg2 60.Kb3= Kc6 61.Bf6 Bf1 62.Kc3 Bd3 63.Kd2 Kd7 64.Kc3 Kc6 65.Kd2 Ba6 66.Be5= Bf1 67.Bf6 Ba6 68.Be5= Kd5 69.Ke1 Kc4+= 70.Kd2 Bb5 71.Kc2 Ba4 72.Kd2 Kd5 73.Kc3 Bd1 74.Kd2 Bf3 75.Kc3 Be2 76.Kd2 Bc4 77.Kc3 Bd3 78.Bf6 Be2 79.Be5= c4 80.Kd2 Bf3 81.Kc3 Bd1 82.Kd2 Bg4 83.Kc3 Be2 84.Kd2 Bd3 85.Kc3 Bf1 86.Kd2 Bd3 87.Kc3 Bf1 88.Kd2 Kc5 89.Kc3 Be2 90.Bd4 Kd5 91.Kd2 Bf3 92.Kc3 Bd1 93.Kd2 Ba4 94.Kc3 Bd1 95.Kd2 Bf3 96.Kc3 Bh1 97.Kd2 Bg2 98.Kc3 Bf1 99.Kd2 Bd3 100.Kc3 Kd6 101.Kd2 Bb1 102.Kc3 Bd3 103.Kd2 Bb1 104.Kc3 Ba2 105.Kd2 Kc6 106.Kc3 Bb3 107.Kd2 Kd5 108.Kc3 Ba4 109.Be5 Kc5 110.Bd4 Kb5 111.Be5 Bd1 112.Bd4 Be2 113.Be5= Bf3 114.Bd4 Bg2 115.Be5= Kc5 116.Bd4 Kb5 117.Be5 Bf1 118.Bd4 Bd3 119.Be5= Kc5 120.Bd4 Kb5 121.Be5 Kc5 122.Bd4 Kc6 123.Be5 Bf1 124.Bd4 e5+= 125.Be5 Kd5 126.Bd4 Ke6 127.Be5 Kf5 128.Kd2 Kg4 129.Ke1 Bd3 130.Kf2 Kf5 131.Ke1 Kg4 132.Kf2 Bc2 133.Bd4 Kf5 134.Be5 Ba4 135.Ke2 Kg4 136.Kf2 Bd1 137.Bd4 Kf5 138.Be5 Kg4 139.Bd4 Kf5 140.Be5 Bc2 141.Kf1 Kg4 142.Kf2 Kf5 143.Kf1 Bb1 144.Kf2 Bd3 145.Ke1 Ke6 146.Kd1 Bf1 147.Kd2 Kf5 148.Ke1 Bh3 149.Kf2 Ke6 150.Ke2 Bg2 151.Kd2 Kd5 152.Kc3 Bf1 153.Kd2 Bd3+= 154.Kc3 Be2 155.Kd2 Bf3 156.Kc3 Bg4 157.Kd2 Bh3 158.Kc3 Bf5 159.Kd2 Bc8 160.Kc3 Bf5 161.Kd2 Bd7 162.Kc3 Ba4 163.Kd2 Bd7 164.Kc3 Bb5 165.Kd2 Bc6 166.Kc3 Bd7 167.Kd2 Ba4 168.Kc3 Bd1 169.Kd2= Bb3 170.Kc3 Ke6 171.Kd2 Ba4 172.Kc3= Bb3 173.Kd2 Ba2 174.Bd4 Bb3 175.Be5= ½–½. Bonetti,Shane – Messiah, ICC, 2002.

8.d4 dc4 9.Bc4 Bb4 10.Nbd2 Bd2 (10...a6 11.ba6 Ba6 12.0-0=) 11.Qd2 Bf3 12.gf3 Nbd7 (12...a6 13.ba6 c6 14.a4=) 13.Ke2 (13.Rc1 a6 14.ba6 Nb8+=) 13...Ne8 (13...Rc8 14.Rac1=) 14.a4 (14.Rag1 Ndf6+=) 14...Nd6 15.Bd3 Qh4 (15...a6 16.ba6 Nf6 17.e4+=) 16.Rac1 Rac8 17.Rhg1 Qh6 (17...Nf6 18.Rg2+=) 18.e4 Qd2 (18...Qh2?? 19.Rh1 Nc4 20.Bc4+–) 19.Kd2 Rfe8 20.e5 Nf5 21.Bf5 (21.Rc2 Nf8+–) 21...ef5+– 22.f4 Red8 23.Ke3 Nf8 24.Rc6 Ne6 Exerts pressure on the backward pawn 25.h4 h6 26.h5 Rd7 27.f3 Rcd8 28.Rc4 (28.Rd1 Nc5+=) 28...Re8 (28...a6 29.ba6 Ra8 30.Bc3=) 29.Rd1 Nc5 30.Ba3 Ne6 31.d5 Nf8 (31...Red8 32.d6+=) 32.Rcd4 (32.Rdc1 Rd5 33.Bf8 Kf8 34.Rc7 Re7+–) 32...Red8 33.Bb4 Re8 34.R1d3 Nh7 35.Rd2 (better 35.Kd2!?+–) 35...Nf6= 36.d6 (36.Bc3 Nh5 37.Kd3 a6=) 36...cd6 37.Rd6 Rd6 38.Rd6 Nh5 39.Rd7 Ra8 40.Rb7 Ng3 (40...g5 41.fg5 hg5 42.Rd7=) 41.Bd6+= a6 (41...h5 42.Kf2 h4 43.Rb8 Rb8 44.Bb8+=) 42.Rb6+– ab5 43.ab5 Ra2 44.Rc6 (44.Rb8 Kh7 45.b6 Rb2+–) 44...Rb2+= 45.b6 h5 (45...Rb3 46.Kd2 Nh5 47.Kc2+=) 46.Be7 Nf1 47.Kd3 Nd2?? (better 47...Rb1+–) 48.Rc2 (better 48.Ba3 Rb6 49.Rb6 Nf3 50.Be7+–) 48...Rc2?? (48...Rb6 49.Kd2 Kh7+–) 49.Kc2 Nf3 50.Kd3 1–0. Garcia Piedra,Juan – Gonzalez,Abel, Ch Asturias (team) (B), 1999.

8.cd5 ed5 9.0-0 c5 10.bc6 Nc6 11.Na3 Qd7 12.Nb5 Rac8 13.a4 a6 14.Nbd4 Ne4 15.Nc6 Qc6 (worse is 15...Bc6 16.Ba6 Rc7 17.Ne5+/–; 15...Rc6? 16.Ne5 Qc7 17.Nc6 Qc6 18.f3+–) 16.Rb1 Bd6 17.Ba1 Bc7 18.Bd4 g6 19.Qc1 Qa4 20.Qb2 Qc6 (20...a5!?=) 21.Bb6+/– Bb6 22.Qb6 Qb6 23.Rb6 Rc7 24.Ba6 Ba6 25.Ra6 Rb8 26.g4 f5 27.gf5 gf5 28.Rfa1 f4 29.Ra8 Rcc8 30.Rb8 Rb8 31.Ra5 fe3 32.fe3 ½–½. aspasio – gkthomas, net–chess.com, 2012.

8.cd5 Bd5 9.0-0 c5 10.Nc3 Bb7 11.Ne5 (11.d4 Nbd7=) 11...Nbd7 12.Nc6 Bc6 13.bc6 Ne5 14.Ba6 Nc6 15.Bb7 Qd7 16.Ba8 Ra8 17.Qa4 (17.d3 Rd8=) 17...Nb4=+ 18.Qd7 Nd7 19.a4 Nd3 20.Rfb1 Rb8 21.Ne2 Bf8 (21...c4 22.Bc3=+) 22.Nf4 (22.Nc1 Nb2 23.Rb2 Bd6=) 22...Nb4 (22...Nf4 23.ef4 Bd6 24.g3=) 23.Ra3 e5 24.Nd3 f6 (24...e4 25.Ne1=) 25.Ne1 (25.Nb4 cb4 26.Raa1 a5=) 25...Kf7 26.d3 Rd8 27.Kf1 Nb8 28.Ke2 Nd5 29.Raa1 (29.Rb3 Nc6 30.Bc3 Bd6=) 29...Nc6= 30.g4 Ndb4 31.Bc3 a5 (31...Ke6 32.Rb2=) 32.Nf3 Be7 (worse 32...Rd3 33.Bb4 Nb4 34.Rb4 Re3 35.fe3 ab4 36.Rf1+–; worse 32...Nd3 33.Rb6 Ndb4 34.Bb4 Nb4 35.Nd2+–) 33.h4 Bd6 34.h5 Bc7 35.Rd1 Ke6 36.Bb2 Nc2 37.Rac1 N2b4 38.Ba1 Bd6 39.Rc3 Ne7 40.Nd2 Bc7 (40...g6 41.Ne4+=) 41.Rg1 h6 (41...g6 42.Ne4+=) 42.Bb2 Nc8 43.f3 Nd6 44.Ne4 (44.Rd1 Nd5 45.Rcc1 f5+–) 44...Nd5 45.Ra3 Nb4 46.Rc3 Nd5 47.Rb3 Nb4 48.Rc1 Ne4 49.fe4 Kd7 50.Ba3 Rg8 51.Rbb1 Na2 (51...Bd6 52.Rd1+=) 52.Rc2 (52.Rc4 Nb4+–) 52...Nb4 53.Rcc1 Na2 ½–½. Fels,Bernhard (2020) – Cardoso,Sergio (1965), ZH–2010-0-00501, 2010.

9.0-0 dc4 10.Bc4 c6 11.d3 =.

9.0-0 c5 10.Na3 Nbd7 11.Ne5 (11.Rc1 Qc7=) 11...Ne5 12.Be5 d4 (12...Bd6 13.f4+=) 13.d3 (13.Bf3 Bf3 14.Qf3 Nd7 15.ed4 f6=) 13...Nd7 (13...Bd6 14.ed4 cd4 15.Bd6 Qd6 16.Nc2=) 14.ed4 f6 (14...Ne5 15.de5 Qd4 16.Bf3 Bf3 17.Qf3 Qe5 18.Rfe1+=) 15.Bg3 (15.Bf4 cd4 16.Bf3 Bf3 17.Qf3 e5=) 15...cd4 16.f4 Nc5 (16...Bb4 17.Be1=) 17.Nc2 Qd7 18.Bg4 (18.Bf3 Bf3 19.Qf3 Rad8=) 18...f5 (18...Nb3 19.Ra2=) 19.Bf3 Bf6 (19...Bf3 20.Qf3 Qd6 21.Rfe1=) 20.Re1 (20.Bb7 Qb7 21.Re1 Rae8=) 20...Rfe8 (20...Bf3 21.Qf3 Qd6 22.Ra3=) 21.Bb7 Qb7 22.Re2 (22.Qe2 Rac8=) 22...Re7 (22...Qc7 23.Ra3=) 23.Ne1 Nd7 (23...Qc7 24.Nf3=) 24.Nf3+= Rae8 25.Qd2 e5 26.fe5 White fights for the Initiative 26...Ne5 White creates threats along the open e–file 27.Be5 Be5 28.Ne5 Re5 29.Rae1 (29.Re5 Re5 30.Rf1 Qe7+=) 29...Re2 (29...Qc7 30.Re5 Re5 31.Rf1+=) 30.Re2 Qd7 (30...Qb8 31.h3 Re2 32.Qe2=) 31.Kf1 Kf7 (31...Rf8 32.Qf4+=) 32.Re8 Ke8 33.Qf4 Kf7 34.g4 Ke7 (34...g6!?+/–) 35.Qe5+– Kf7 36.gf5 g6 37.f6 g5 38.Kf2 Kg6 39.Kf3 h5 40.Ke4 g4 41.Qe7 Qf5 42.Kd4 The mate threat is Qg7 42...Qf2 43.Kd5 h4 Black intends g3 44.Qe8 Kf5 Threatening mate... how? 45.Qe5 Kg6 46.Ke6 g3 47.hg3 hg3 48.Qe4?? Kg5= 49.Qe5 Kg6 50.Qe4?? (50.Kd7 g2 51.Qe8 Kg5 52.Qg8 Kh4 53.f7+–) ½–½. Becher – Breitenfeld, corr DDR, 1970.

9.0-0 c5 10.Qc2 dc4 11.Na3 (11.Rc1 Bd6=) 11...Nd5 (11...Be4 12.Qc4 Bd5 13.Qc3=) 12.Nc4 Nd7 (12...Nb4 13.Qc3 Bf6 14.d4=) 13.Rad1 N7f6 (13...Rc8 14.e4 Nb4 15.Qc3=) 14.Nfe5 Nb4 15.Qb1 Qc7 16.f4 Rad8 (16...Bd5 17.d3=) 17.Bf3 (17.d3 Nfd5=) 17...Bd5 (17...Bf3 18.Rf3 Qb7 19.d4+=) 18.g4 (18.d3 Bf3 19.Rf3 Bd6=) 18...Qb7 (18...Nd3 19.Nd3 Bc4 20.Be2–/+) 19.g5= Nd7 20.Bd5 ed5 (worse is 20...Qd5 21.Nd7 Qd7 22.Nb6+=) 21.Nd7 Qd7 22.Ne5 (22.Nb6? Qg4 23.Kh1 Rb8–+) 22...Qc8 23.Rf3 (23.Rc1 Qh3+=) 23...f6 24.gf6 Bf6 25.Rg3 Qe6 26.Bc3 Bh4 27.Rg4 Bf6 (27...Be7 28.Rf1 Bf6 29.f5+=) 28.Rg2 (28.Rg3 Rde8+=) 28...d4 (28...Rde8 29.Re1+=) 29.ed4= Opening the e–file gets Black a lot of play 29...Be5 30.fe5 cd4 31.Bb4 ab4 32.Rg5 (32.Re1 Rf5=) 32...Rf4 33.Rf1 Rdf8 34.Rf4 Rf4 35.Qb4 h6 36.Rg3 (36.Rg2 Qf5 37.Qb3 Kh8+=) 36...Qe5+= Threatening mate: Qe1 37.Qc4 Kh7 38.Qc2 Kg8 (38...Rf5 39.Qb1+=) ½–½. Hebels,Albert – Diani,Jose Angel, corr ICCF WT–M–GT–289, 1991.

9.0-0 c5 10.d4 dc4 11.Bc4 cd4 12.Bd4 Nbd7 13.Nbd2 Nc5 14.Nb3 Nb3 15.Bb3 Rc8 16.Qe2 Bc5 17.Rfd1 Bd4 18.Nd4 (worse 18.ed4 Qd6=+) 18...Qe7 19.Rac1 Qb4 20.Qa2 (20.Rc4 Rc4 21.Qc4 Bd5=) 20...Rc1 (20...Ne4 21.Nc2 Qc3 22.Qa3=+) 21.Rc1 Bd5 (21...Rc8 22.Rc8 Bc8 23.Qb1=) 22.Bd5+= Nd5 23.g3 (23.Qc2 Re8+=) 23...Qe7 (23...Nc3 24.Qd2 Na4 25.Qb4 ab4 26.Rc4=) 24.Nc6+= Qf6 (24...Qg5 25.Qc2+=) 25.e4+/- Ne7?? (better 25...Nb4 26.Qb3 Qh6+/-) 26.e5+- Qg5 27.f4 Qg4 28.Ne7 Kh8 29.Qf2 h5 30.Kg2 h4 31.h3 Qh5 32.g4 Qh7 33.Qc2 (33.Kh2 Ra8+-) 33...Qh6 (33...Rd8 34.Nc8+-) 34.Qe4 Rd8 (34...g5 35.Rc8 Rc8 36.Nc8 gf4 37.Nb6+-) 35.Rc8 Rc8 36.Nc8 g6 (36...g5 37.Nb6 gf4 38.Qa8 Kg7 39.Nd7 f3 40.Kf3+-) 37.Nb6 Qf8 38.Qe1 (38.Nd7 Qa3 39.Qa8 Kg7 40.Qf8 Qf8 41.Nf8 Kf8+-) 38...Qa3 (38...Qd8 39.Qe3 Kg7+-) 39.Qh4 Kg8 40.Qd8 Kh7 (40...Kg7 41.Nd7 Qb4 42.Qf8 Qf8 43.Nf8 Kf8 44.b6+-) 41.Nd7 (41.Nd7 Kg7 42.Qf8 Qf8 43.Nf8 Kf8 44.b6+-) 1-0. zembelek (1960) - Jusuf_Np (1920), Rated Blitz game, lichess.org, 2014.

9.0-0 c5 10.d4 Nbd7 11.Nbd2 Rc8 12.Rc1 Re8 13.cd5 Nd5 14.Nc4 cd4 15.Nd4 Nc5 16.Ne5 Nb4 17.Bc4 1–0. Liushnin,Konstantin V – Paredes,Felipe Andres, ICCF Jubilee P143 email, 2001.

9.0-0 Nbd7 10.Nd4 (10.d4 dc4 11.Bc4 c6=) 10...dc4 (10...e5 11.Nc6 Bc6 12.bc6=) 11.Bc4= Nc5 (11...e5 12.Nc6 Bc6 13.bc6+=) 12.Qe2 (12.d3 e5 13.Nc6 Bc6 14.bc6 Qd6=) 12...Qd7 (12...Bd5 13.Nc3=) 13.Nf3 (13.Rc1 e5 14.Nc6 Bc6 15.bc6 Qd6=) 13...Nd5 (13...Rad8 14.d4 Nce4 15.Ne5=) 14.d4 Ne4 15.Ne5 Qe8 (15...Qd6 16.Ba3 Nb4 17.f3+=) 16.f3+= Nd6 17.Bb3 (17.Bd3 f6 18.Nc4 Nc4 19.Bc4 c6=) 17...Nb4 (17...c6 18.bc6 Ba6 19.Nd3+=) 18.Nc3+= c6 19.bc6 (19.e4 Rc8+=) 19...Nc6 20.Nc6 White fights for the Initiative 20...Bc6 21.d5 ed5 22.Nd5 Bd5 23.Bd5 Ra7 (23...Rd8 24.Rfd1+=) 24.Bd4+/– Qd8 (24...Rd7 25.Bc6+– (25.Bb6 Nc8–/+)) 25.Qb2 (25.Rab1 Nc8 26.Qb5 Rd7+/–) 25...Nc8 26.e4 Bf6 (26...Bc5 27.Rad1 Rd7 28.f4+=) 27.Bf6 Qf6 28.Qf6 gf6 29.Rab1 (29.Rac1 Rd8+–) 29...Rc7 (29...Rd8 30.Rfd1 Rad7 31.g3+/–) 30.Rfc1+– Rc1 31.Rc1 Ne7 (31...f5 32.ef5 Nd6 33.Rc7+/–) 32.Rb1 (32.Rc7 Nd5 33.ed5 Rd8=) 32...Nd5 (32...Rd8 33.Bc4+/–) 33.ed5 Rd8 34.Rb6 (34.Rd1!?+/–) 34...Rd5+= 35.Rb5 (35.Rb8 Kg7 36.Kf2=) 35...Rd1+– 36.Kf2 Rd2 (36...Rh1 37.Kg3+–) 37.Kg3+– Ra2 38.Ra5 Kg7 39.Kh3 Ra3 40.Kg3?? Ra2 41.Ra8 Ra3 42.Kg4 (42.Kg4 f5 43.Kf5+–; 42.a5 Kg6+–) 1–0. Saint Jean,Benoit (1610) – Herker,Christian, CP.2001.P.00093, 2001.

9.0-0 ab5 10.cb5 Nbd7 (10...c5 11.d4=) 11.d4 Ne4 12.Qb3 Ndf6 13.Nbd2 Bd6 14.h3 Qe7 15.Rac1 (15.Ba3 Ra5=) 15...Rfc8 16.Rfd1 Bb4 (16...Ra5 17.Ne4 Ne4 18.Nd2=+) 17.Nf1 h6 (17...c5 18.bc6 Bc6 19.Ne5=) 18.Ne5= Bd6 19.Nc6 Bc6 20.Rc6 Ra7 21.f3 Ng5 22.h4 (22.Bd3 Rca8 23.Ra1 e5=) 22...Ngh7 23.Bd3 Rca8 24.Ra1 g6 (24...Nh5 25.g4 N5f6 26.Qc2=) 25.e4 (25.Ba3 Ne8 26.h5 gh5=) 25...de4= 26.fe4 Bf4?? (better 26...e5=) 27.g3+- Ng4 (27...Bg3 28.Ng3 Ng4 29.Be2 Qh4 30.Qf3+/-) 28.Qd1 (28.gf4 Qh4 29.Qc2 Nhf6+-) 28...Ne3? (better 28...Bg3 29.Qg4 Bh4+-) 29.Qe2 (better 29.Qf3 Nf1 30.Qf4 (30.gf4?! Nd2 31.Qd1 Qh4 32.Qd2 Qg3 33.Kf1 Qf3 34.Ke1 Qh1 35.Bf1 Qe4 36.Kd1 Ra4 37.Ra4 Ra4+/-; worse 30.Qf1 Bg3 31.Qh3 Bh4-/+; 30.Kf1?! Bd6+/-; 30.Rf1?! Bd2+/-; 30.Bf1?! Bd2+/-) 30...Ng3 31.Qg3 Ra4 32.Ra4 Ra4 33.Rc7+-) 29...Nf1+= 30.Qf1?? (better 30.gf4 Ng3 31.Qf2+=) 30...Bg3-/+ 31.h5 (31.Qh3 Qh4 32.Qh4 Bh4-/+) 31...Qh4-+ (31...Ra4?! 32.Ra4 Ra4 33.hg6 fg6 34.Qh3=) 32.Qg2 (32.Rc2 Ng5 33.e5 Qg4-+) 32...Ng5 (32...gh5?! 33.Bc2 Ng5 34.Rc3-/+; 32...Ra4 33.Ra4 Ra4 34.hg6-+) 33.hg6?? (33.Kf1 Ra4 34.Rb1-+) 33...fg6 (better 33...Nh3 34.Kf1 Qf6 35.Ke2 Nf4 36.Kf3 Ng2 37.Kg3 Qg5 38.Kh2-+) 34.d5 (34.Bc4 Rf8 35.Be6 Ne6 36.Rc2-+) 34...Nh3 35.Kf1 Rf8 36.Ke2 Nf4 (36...Nf4 37.Kd2 Ng2 38.Re6 Rf2 39.Kc3 Nf4-+) 0-1. zembelek (2045) - The_razors_edge (1930), Rated Blitz game, lichess.org, 2014.

9.0-0 dc4 10.Bc4 ab5 11.ab5 Ra1 12.Ba1 Nbd7 13.d4 Qa8 14.Nbd2 c5 15.Bb2 Rc8 16.Qb3 cd4 17.Be6 (better 17.Bd4 Nc5 18.Qb2=) 17...fe6-/+ 18.Qe6 Kf8 19.Bd4 Bd5 20.Qf5 Bf7 21.e4 Bg6 22.Qh3 Qb7 23.e5 Nd5 24.Nh4 Bh4 25.Qh4 Nc5 (25...Nc7!?-/+) 26.Nc4 Qe7 27.Qg4 Ne6 28.Nd6 Rd8 (28...Ra8!?=+) 29.Qf3= Nf6 (29...Nef4!? 30.Bb6 Rb8=) 30.Bb6+= (worse 30.ef6 Qd6 31.fg7 Kg8-/+) 30...Rd6 31.ed6 Qd6 32.Qa8 Kf7 33.Be3 Be4 34.Qa7 White plans b6 34...Kg6 35.f3 Bd5 36.Rd1 Qb4 37.b6 Qb3 38.Re1 Ng5?? (better 38...Qb4 39.Bf2 Nf4+/-) 39.Bg5+- Kg5 (39...Qb4 40.Re2 Kg5 41.Qg7 Kf5 42.g4 Ng4 43.Qh7 Kf6 44.fg4 Qg4 45.Kf1 Bc4 46.Qe7 Kg6+-) 40.Qg7 Kf5 41.g4 Ng4 42.fg4 Kf4 43.Qe5 Kf3 44.Qf5 1-0. BeepBeepImAJeep (2860) - TrickOrTreat (2535), lichess.org, 2017.

9.Nc3 Bb4 10.0-0= Bc3 (10...dc4 11.Bc4 c5 12.d4=) 11.Bc3 ab5 (11...dc4 12.Bc4 Ne4 13.Be5=) 12.ab5 (12.cb5 Ne4+=) 12...Ra1= 13.Qa1 c6? (better 13...dc4!? 14.Bf6 Qf6 15.Qf6 gf6=) 14.Qa7+– Qc7 15.Be5 Qc8 16.Bf6 gf6 17.Qb6 (17.cd5 cb5 18.de6 fe6 19.Qb6 Qc6 20.Qc6 Bc6+–) 17...cb5 (better 17...dc4!? 18.bc6 Bc6+–) 18.cb5+– Nd7 19.Qa5 (19.Qd6 e5+–) 19...Qc2 20.Bd1 (20.Qb4 Ra8+–) 20...Qd3 (20...Qc4!?+–) 21.Qc7+– Bc8 22.Bc2 Qb5 23.Qg3 Kh8 24.Qh4 f5 25.Ng5 Nf6?? (25...Kg7 26.Qh7 Kf6+–) 26.Qh6 Rg8 (26...Kg8 27.Qf6 Qb7+–) 27.Nf7 1–0. DEFFM – GuestMPXQ, freechess.org, 2018.

9.Nc3 ab5 10.ab5 Ra1 11.Qa1 Nbd7 12.cd5 Nd5 13.Nd5 Bd5 14.Bg7 Bf6 15.Bf6 Qf6 16.Qf6 Nf6 17.0-0 Ra8 18.Rc1 Ra7 19.Nd4 Kf8 20.f4 1-0. SSAARR (2060) - kikacrownz (1960), Rated Blitz game, lichess.org, 2014.

9.Nc3 c5 10.cd5 Nd5 11.0-0=.

9.Nc3 Nbd7 10.0-0 (10.cd5 Nd5 11.0-0 N7f6=) 10...Re8 (10...dc4!? 11.Bc4 Bf3 12.gf3 ab5 13.ab5 Ra1 14.Ba1 Ne5=+) 11.d4 ab5 12.ab5 Ne4 (12...dc4 13.Bc4 Ra1 14.Qa1 Bf3 15.gf3=) 13.Ne4 de4 14.Ra8 Qa8 15.Nd2 f5 16.Qc2 Qb8 17.c5 (17.f3!?+/-) 17...bc5= 18.dc5 Bc5 19.Bc4 Bd6 20.Qc3 Be5 (20...Nf6 21.Rb1=+) 21.Qb3= Nc5 22.Qa2 (22.Qb4 Bd6 23.Bd4 Nd3=+) 22...Bb2 (22...c6 23.bc6 Bc6 24.Ba3=+) 23.Qb2= Qd8 24.Qe5 Qd6 (24...Bd5 25.Bd5 ed5 26.Qf5=) 25.Qd4 (better 25.Qf5! Bd5 26.Qh5+=) 25...Qd4-/+ 26.ed4 Nd7 27.Nb3 (27.Rc1 Nb6=+) 27...Re7 (27...Nb6 28.Be2-/+) 28.Rc1 Nb6 29.Nc5 Bd5 30.Bf1 Kf7 31.Na6 Na8 32.g3 Rd7 33.h4 g6 34.Nb4 h6 35.Nc6 (better 35.Nd5 Rd5 36.Ra1-/+) 35...Nb6?? (better 35...Bc6 36.Rc6 Rd4-+) 36.Ne5+= Ke7 37.Nd7 Kd7 38.Ra1 g5 39.hg5 hg5 40.Be2 Kd6 41.Rc1 Kd7 42.Kf1 Nc8 43.Ke1 Nd6 44.Kd2 f4 45.Rh1?? (better 45.g4+=) 45...e3!-+ 46.fe3 fe3 47.Ke3 Bh1 48.Bd3 Bd5 49.Kd2 Bc4 50.Bc2 Nb5 51.Ke3 Kd6 52.g4 (52.Bb1 e5 53.de5 Ke5-+) 52...Nc3 53.Kd2 Nd5 54.Be4 Nf4 (54...Nf6 55.Bf3-+) 55.Bf3 Bd5 56.Ke3 (56.Bd1 e5 57.de5 Ke5-+) 56...Ng6 (better 56...Bf3!? 57.Kf3 Kd5 58.Ke3-+) 57.Be2 Nf4 58.Bd1?? (58.Bf3 Bf3 59.Kf3-+) 58...Bc4 59.Kf2 Bd5 60.Ke3 Bc6 (60...Ng2 61.Kf2-+) 61.Bc2 Ng2 62.Kf2 Nf4 (62...e5 63.de5 Ke5 64.Ke2-+) 63.Ke3 Nh3 (63...Nd5 64.Kf2-+) 64.Bd1 e5 65.Kd3 (65.de5 Ke5 66.Bb3 Nf4-+) 65...ed4 66.Kd4 Bd5 (66...Nf2 67.Be2-+) 67.Be2 (67.Ke3 Nf4-+) 67...Nf4 68.Bd1 Ne6 (68...c5 69.Kc3-+) 69.Ke3 c6 (69...Ke5 70.Ba4-+) 70.Kd3 (70.Bc2 Ke5-+) 70...Ke5 71.Ke3 c5 72.Be2 c4 73.Bd1 c3 (73...Nf4 74.Bc2-+) 74.Bc2 (74.Kd3-+) 74...Be4! 75.Be4 Nd4 76.Bc2?? (better 76.Bb7-+) 76...Nc2 77.Kd3 Nd4 (better 77...Kf4 78.Kc2 Kg4 79.Kc3-+) 78.Kc3 Nf3 79.Kd3 Black now must not overlook the idea Nh2 79...Nh2 80.Ke3 Ng4 81.Kf3 Nf6 82.Kg3 Kf5 Black plans g4 83.Kg2 g4 84.Kf2 Nh5 85.Kg2 Nf4 86.Kg1 Nh5 (86...g3 87.Kf1 g2 88.Kg1 Ke5 89.Kf2 Ke4 90.Ke1 g1Q 91.Kd2 Nd3 92.Kc2 Qc1 93.Kb3 Qb2 94.Kc4 Qb4) 87.Kg2-+ Kf4 Black prepares g3 88.Kg1 g3 89.Kh1 Kf3 90.Kg1 Nf4 (90...g2 91.Kh2 Kf2 92.Kh3 g1Q 93.Kh4 Nf6 94.Kh3 Qg3) 91.Kf1 ½-½. BeepBeepImAJeep (2590) - EnergyVision (2410), lichess.org, 2018.

9.Na3 a6 10.0-0 +=.

9.Na3 a6 10.Nc4 Qd5 11.Qb3 =.

9.Na3 c3 10.Bc3 Nd5 11.Bb2 Bf6 (11...c6 12.0-0=) 12.Bf6 Qf6 13.0-0 Rd8 14.Qb1 Nd7 (14...c6 15.Nc4=) 15.Nc4 Nc5 (15...a6 16.d4=) 16.Rc1 (16.d4 Nc3 17.Qc2 Ne2 18.Qe2 Bf3 19.Qf3 Qf3 20.gf3 Nd7+=) 16...Ne7 (16...a6 17.ba6 Na6 18.a5=) 17.d4+= Be4 18.Qb2 Bd3 (18...Bf3 19.Bf3 Nd3 20.Qc2 Nc1 21.Ba8 Ra8 22.Rc1+–) 19.dc5 (19.Ra3 Be2 20.Qe2 Nd7+–) 19...Qb2+= 20.Nb2 Be2 21.Nd4 Bh5 22.cb6 cb6 23.Nc4 Rac8 24.a5 ba5 25.Na5 (worse 25.Ra5 e5 26.g4 ed4 27.gh5 d3–/+) 25...Rc1 26.Rc1 Kf8 27.f3 Rc8 (27...Rd7 28.Nac6+–) 28.Rc8 Nc8 29.Ndc6 Ke8 30.Na7! Nb6 (30...Na7 31.b6 Passed pawn) 31.Kf2 Kd7 32.e4 f6 33.Ke3 e5 34.Kd3 Bf7 35.Kc3 Kc7 36.Kb4 Ba2 37.N7c6 g6 38.Nb3 Bb1 39.Nc5 Bc2 (39...Kd6 40.h3+–) 40.Ne6 Kd6 41.Nf8 Bd3 (41...f5 42.f4 (42.Nh7?! fe4 43.Nf6 e3=) 42...Be4 43.fe5 Kc7 44.Nd4 Bg2 45.Nde6 Kb7 46.Nh7 Nd5 47.Kc5+–) 42.g3 (42.Nh7!? Nd7 43.h4 Be2+–) 42...g5 (42...Be2 43.Nh7 Bf3 44.Nf6+–) 43.Nh7+– Nd7 44.Na5 (44.h3 Ke6+–) 44...g4 (better 44...Ke6!? 45.Nb3 Kf7+–) 45.Kc3+– (45.fg4?! Be4 46.Nc4 Ke6 47.Nf6 Nf6+=) 45...Bb1 46.Nc4 (46.fg4?! Be4 47.Nc4 Ke6 48.Nf6 Nf6+=) 46...Ke7 (46...Kc5 47.b6 (47.fg4?! Ba2+–) 47...gf3 48.b7+–) 47.Nd2 (47.fg4?! Be4 48.Nf6 Kf6+=) 47...Ba2 48.fg4 Bg8 49.Nf6! Kf6 (49...Nf6 50.g5 Passed pawn; 49...Kf6 50.h4 Passed pawn) 50.h4 Be6 (50...Ke7 51.Kb4+–) 51.g5 Kg6 (51...Ke7 52.h5+–) 52.Nc4 Kh5 (52...Bg4+–) 53.b6 Bc4 54.Kc4 Nb6 55.Kc5 Na4 56.Kd5 Nc3 57.Ke5 Ne2 (57...Kg6 58.g4+–) 58.g4! Kg6 (58...Kg4 59.g6 Passed pawn) 59.Kd6 Nc3 60.e5 Ne4 61.Kd7 Nc5 62.Kc6 Nd3 63.Kd6 (63.e6!? Ne5 64.Kd6 Nc4 65.Ke7 Ne5+–) 63...Nf2 64.e6 Ng4 (64...Ne4 65.Ke5 Nf2 66.h5 Kg5 67.e7 Ng4 68.Ke6 Kh5 69.Kf5 Nh6 70.Kf4+–) 65.e7 Kf7 66.h5 Ke8 67.h6 Nf2 68.h7 Ne4 69.Ke5 Ng5 70.h8Q (70.h8Q Ke7 71.Qf6 Kd7 72.Kd5 Ke8 73.Qg5 Kf7 74.Qf5 Kg7 75.Ke6 Kh6 76.Qh3 Kg5 77.Qg3 Kh5 78.Kf5 Kh6 79.Qg6) 1–0. Sokolski,Alexey – Chekhover,Vitaly, URS–ch sf Leningrad, 1938.

9.Na3 c5 10.Nc4= Nbd7 11.0-0 Ne4 12.d3 Nd6 13.Qc2 Nc4 14.dc4 Bf6 15.Rfd1 Bb2 16.Qb2 Qf6 17.Qf6 Nf6 (17...gf6?? 18.Rd7 Be4 19.Rad1+–) 18.Ne5 Rfd8 19.Nc6 (19.a5 Rd1 20.Rd1 ba5+=) 19...Rd1 20.Rd1 Kf8 21.Bf3 g5 22.Rd8 (22.g4!?+=) 22...Rd8+= 23.Nd8 Bc8 (23...Bf3!? 24.gf3 Ne8=) 24.Nc6+= g4? (better is 24...a5!?+=) 25.Na7+– gf3 26.Nc8 Nd7 27.gf3 Ke8 28.f4 Kd8 29.Nd6 Ke7 30.Ne4 (30.Nb7 h6+–) 30...f5 31.Nc3 Nf6 32.f3 Ne8 33.Nd1 Nd6 34.Nb2 Kf6 35.Kf2 Kg6 36.Nd3 Kh5 37.Ne5 Kh4 38.Kg2 Nc8 (38...Kh5 39.Kg3+–) 39.Nd7 (39.Nd7 Kh5 40.Kf2+–) 1–0. Orlik,Adam – Jaloszynski,Tadeusz, corr Poland, 1989.

9.Na3 c5 10.Nc4= Nbd7 11.0-0 Ne4 12.d3 Nd6 13.Nfe5 Nc4 14.Nc4 Nf6 (14...a6 15.Bf3 Bd5 16.e4=) 15.e4 (15.a5 Bd5+=) 15...Nd7 (15...a6 16.Qb3=) 16.f4 (16.a5 a6 17.ba6 Ba6 (worse is 17...Ra6 18.Qb3+/–) 18.ab6 Nb6+=) 16...f5 (16...a6 17.Qb3=) 17.e5 (17.Qb3 fe4 18.Bg4 Kh8 19.de4 Be4 20.Be6 Nf6+/–) 17...g5 (17...a6!?+=) 18.Bf3+/– Bf3 19.Qf3 g4 20.Qc6 Kf7 21.g3 (21.Nd6 Bd6 22.ed6 a6+/–) 21...Rc8 22.Qg2 h5 (22...Kg8 23.Rfd1+=) 23.Rac1 h4 24.Kf2 (24.d4 Nb8+/–) 24...h3 (24...Rh8 25.d4 Nf8 26.dc5 hg3 27.hg3 (27.Qg3 Bc5 28.Ke1 Rh3–+) 27...Rc5 28.Rfd1=) 25.Qh1 Nb8 26.Rfd1 Qd5 27.Qd5 (27.a5 Nd7=) 27...ed5 28.e6 Kg8 (28...Ke6 29.Re1 Kd7 30.Ne5 Kd6 31.Ng6=) 29.Ne5 d4 30.Re1 Rfe8 31.Nf7 Kg7 32.Re2 Rc7? 33.Bd4!+– Bf6 34.Bf6 Kf6 35.Rce1 Rce7 36.Re5 Re6 37.Nd6! Rd6 Deflection from e8 38.Re8 Eliminates the defender e8 38...Nd7 39.R1e3 c4 40.Rd8 cd3+/– 41.Ke1 Re6 42.Kd2 Nc5 43.Rf8 Ke7 44.Rf5 Na4 45.Re6 Ke6 46.Re5 Kf6 47.Kd3 Nb2 48.Kd4 Na4 49.Rg5 Nc5 50.Rc5! (50.Rc5 bc5 51.Kc5+–) 1–0. Schuehler,Ernst – Jaloszynski,Tadeusz, corr ICCF EU/M/GT/233 (year?).

9.Na3 Bd5 10.Bc4 A) 10...a6 11.0-0 ab5 (11...c6 12.d3 Bc4 13.dc4 Qc7 14.Be5=; 11...Re8 12.d3 c6 13.Ne5 ab5 14.ab5=; 11...Ba3 12.Bd5 Qd5 13.Ra3 ab5 14.ab5=; 11...c5 12.d3 ab5 13.Bd5 ed5 14.Nb5=; 11...Ra7 12.d3 c6 13.Qe2 Qd7 14.Ne5+=) 12.Bd5 Qd5 13.Nb5 Na6 14.Bf6=; B) 10...Bc4 11.Nc4 a6 (11...c6 12.0-0 Qd5 13.Qb3 Rc8 14.d3=; 11...Qd5 12.Qb3 a6 13.0-0 ab5 14.ab5+=) 12.0-0 ab5 13.ab5 Ra1 14.Ba1=; C) 10...Ba3 11.Bd5 Bb2 12.Ba8 Ba1 13.Qa1 Na6 14.Bc6=; D) 10...c6 D1) 11.Bd5 Qd5 (11...Nd5 12.0-0 a6 13.d4 Nf6 14.Qe2=) 12.Qc2 cb5 13.ab5 a6 14.ba6+=; D2) 11.Qc2 Be4 (11...Bf3 12.gf3 cb5 13.ab5 a5 14.Bd3+=; 11...cb5 12.ab5 Bf3 13.gf3 a5 14.Bd3+=) 12.d3 Bf3 13.gf3 a6 14.Rg1+=; D3) 11.Rc1 Qd6 (11...cb5 12.Nb5 Nbd7 13.0-0 a6 14.Nbd4=; 11...Re8 12.0-0 Ba3 13.Ba3 Bc4 14.Rc4=; 11...Ba3 12.Ba3 Re8 13.bc6 Nc6 14.Bb5=; 11...Bc4 12.Rc4 cb5 13.Nb5 a6 14.Nbd4=; 11...Bd6 12.bc6 Bc6 13.Nb5 Be7 14.0-0=) 12.Bd5 Qd5 13.Qc2 Rc8 14.Bf6+=.

9.Na3 Bd5 10.Nc4 a6 (10...c6 11.0-0 a6 12.Qb3 cb5 13.ab5 Qe8 14.Nd4=; 10...c5 A) 11.d4 cd4 (11...Nbd7 12.0-0 a6 13.Qc2 Be4 14.Bd3=; 11...a6 12.0-0 Nbd7 13.Qc2 Be4 14.Bd3=; 11...Ne4 12.0-0 Nd7 13.Qc2 Rc8 14.Rac1=; 11...Qc7 12.dc5 Bc5 13.0-0 Nbd7 14.Rc1=; 11...Re8 12.0-0 Nbd7 13.Qc2 Rc8 14.Rfd1=) 12.Qd4 Bb4 13.Ncd2 Qe7 14.Qh4=; B) 11.0-0 Nbd7 (11...a6 12.Qc2 Nbd7 13.d3 Qc7 14.e4=) 12.a5 a6 13.Nb6 Nb6 14.ab6+=; C) 11.Qc2 a6 (11...Nbd7 12.0-0 a6 13.d3 Qc7 14.ba6=; 11...Re8 12.0-0 a6 13.d4 Nbd7 14.Rfd1=; 11...h6 12.0-0 a6 13.d3 Nbd7 14.e4=) 12.0-0 Nbd7 13.d3 Qc7 14.e4=; D) 11.a5 Nbd7 (11...ba5 12.Bc3 Ne4 13.Ba5 Qe8 14.Qc2=) 12.0-0 a6 13.ba6 b5 14.Nce5=; E) 11.d3 Nbd7 (11...a6 12.0-0 ab5 13.ab5 Ra1 14.Ba1=; 11...Kh8 12.0-0 a6 13.Qc2 Nbd7 14.e4+=) 12.0-0 a6 13.Qc2 Qc7 14.Rfb1=) 11.0-0 ab5 (11...c6 12.Qb3 cb5 13.ab5 Qe8 14.Nd4=) 12.ab5 Ra1 13.Qa1 (13.Ba1 Re8 14.d3=) 13...Nbd7 (13...c6 14.Qa4= (14.bc6 b5 15.Nce5 Nc6 16.Nc6 Bc6 17.Nd4=)) 14.Qd1 (14.d3=) 14...Qa8 15.Qc2 Qa2?? (better is 15...c6=) 16.Ra1+– (16.Ra1 Ra8 17.Ra2 Ra2 18.Nd4+–) 1–0. pierre – shooting_star, internet, 2008.

9.Bc4 a6 10.0-0 ab5 11.ab5 Ra1 12.Ba1 Nd5 13.d4 Bf6 (13...c6 14.Qe2=) 14.Nbd2 c6 15.Ne4 cb5 16.Bb5 Nb4 17.Nf6 gf6 (17...Qf6!? 18.Be2 Be4=) 18.Be2 N4c6 19.Nd2 Qd5 20.Bf3 Qd7 21.Qb1 e5 (better 21...Ne7+/-) 22.de5?? (22.Qb6 Qe7+-) 22...Ne5?? (better 22...Qd2 23.ef6 Qa5=) 23.Bb7 (better 23.Qb6 Bc6 24.Ne4+-) 23...Qc7?? (better 23...Qb7 24.f4 Ned7+-) 24.Ne4 (better 24.Be4+-) 24...Qb7 (24...Nbd7 25.Bd5 Rc8+-) 25.Nf6 Kg7 26.Be5 Qd5 27.Qh7 1-0. BeepBeepImAJeep (2600) - Jherzhie (1790), lichess.org, 2016.

9.Bc4 a6 10.0-0 ab5 11.ab5 Ra1 12.Ba1 Nbd7 13.d4 Qa8 14.Nbd2 Bd6 15.Be2 Re8 16.h3 c6 17.Nc4 Bc7 18.bc6 Bc6 19.Bb2 b5 20.Ncd2 e5 21.de5 Ne5 22.Ne5 (22.Be5 Be5 23.Qb3 Qa5=) 22...Be5 23.Be5 Re5 24.Bf3 Bf3 25.Nf3 Rd5 26.Qb3 Qb7 27.Rc1 h6 28.Nd4 Exerts pressure on the isolated pawn 28...b4 (28...Ne4 29.Qb4 Rg5 30.f3+=) 29.Rc4+= Ra5 (29...Rg5 30.Nc6+/-) 30.Rb4 Ra1 31.Kh2 Qc7 32.f4 Qc1 33.Rb8 Kh7 34.Nf3?? (better 34.Qc2 Qc2 35.Nc2+/-) 34...Qh1 (better 34...Ne4 35.Qb1 Rb1 36.Rb1 Qb1 37.f5-+) 35.Kg3 Ne4 36.Kg4 Qg2 37.Kf5 Qg6 38.Ke5 Ra5 39.Rb5 f6 (better 39...Rb5 40.Qb5 Nc3-+) 40.Kd4 (40.Kd4 Ra8 41.f5-+). BeepBeepImAJeep (2770) - temp002, lichess.org, 2020.

9.Bc4 c6 10.0-0 cb5 11.ab5 Nbd7 12.Be2 Nc5 13.d4 Nce4 14.Nbd2 Nd2 15.Qd2 Nd5 16.Ne5 Nc7 17.Qd1 (17.Nc6 Bc6 18.bc6 a5+=) 17...Bd6= 18.Bf3 (better 18.Bd3!?=) 18...Bf3=+ 19.Qf3 Be5 20.de5 Qd5 (20...Nb5!? 21.Rfd1 Qe7=+) 21.Qd5= Nd5 (21...ed5 22.Ba3 Rfc8 23.Rfb1=) 22.Ba3 (22.Rfc1 Rfd8+=) 22...Rfb8 23.Bd6 Rc8 24.Ra6 (better 24.Rfb1!?=) 24...Nc3=+ 25.h4 Nb5 26.Rfa1 (26.Rb1 Nd6 27.ed6 Rd8=+) 26...f6 27.h5 fe5 (27...Rc6 28.Kf1-/+) 28.Be5 Rc5 29.f4 Rcc8 (29...Rd8 30.Ra7 Na7 31.Ra7 Re5 32.fe5=+) 30.g4 Kf7 31.Kf2 g6 32.hg6 hg6 (32...Kg6 33.g5 Rc5 34.Rh1 Re5 35.fe5 Rf8 36.Ke2=+) 33.Kf3 (33.Rh1 Rc2 34.Kf3 Rg8+=) 33...g5 34.Rh1 gf4 35.ef4 Kg6 36.Ra2 Nc3?? (better 36...Rg8 37.Rah2 Kf7+-) 37.Rah2 Kf7 (37...Rd8 38.Bc3 Rac8+-) 38.Rh7 Ke8 (38...Kf8 39.Rg7 a5 40.Rh8) 39.Rg7 (39.Rg7 a5 40.Rh8) 1-0. BeepBeepImAJeep (2505) - pistachoceleste (2170), lichess.org, 2018.

9.Bc4 Nd5 10.0-0 Bf6 11.Bf6 Qf6 12.Bd5 (12.d4 c5=) 12...Bd5 13.d4 Qg6 (13...c5!?=) 14.Nbd2 f5 15.Qe2 Nd7 16.Rfc1 Rac8 17.Nf1 (17.a5 e5+=) 17...Rfe8 (17...e5 18.a5=) 18.Ng3 e5 (18...c5!?=) 19.de5 Ne5 20.Ne5 (20.Nh4 Qe6 21.Nhf5 c6+/-) 20...Re5= 21.Qd3 Be4? (better 21...Qe6!?=) 22.Qd7+/- Rce8 23.Qc7 (23.Rc7? R5e7 24.Ra7 Rd7 25.Rd7 Qe6-+; 23.Ne4?! fe4 24.Rc7 R5e7 25.Qd5 Qf7 26.Qf7 Kf7+-) 23...R5e7 24.Qf4 h6 (better 24...Rd7+/-) 25.Qf3?? (better 25.f3 Bd5 26.Qf5+-) 25...Bf3-+ 26.gf3 h5 (better 26...f4 27.ef4 Rf7 28.Rc4-+) 27.f4 (27.Rc4 Qg5 28.h4 Qg6-+) 27...h4 28.Rc6 Qg4 (28...hg3?! 29.Rg6 gf2 30.Kf2 Re3 31.Rg5=) 29.Kg2 (29.h3 Qh3 (29...hg3 30.hg4 gf2 31.Kf2+=) 30.Nh5 Qf3-+) 29...hg3 (29...h3 30.Kg1 Qf3 31.Kf1 Re3 32.Ne2 Qh1 33.Ng1 Qg2) 30.hg3-+ Qh5 (30...Re3 31.fe3 Re3 32.Rc8 Kf7 33.Rc7 Ke6 34.Rc6 Kd5 35.Rd1 Qd1 36.Rc1 Qe2 37.Kh3 Qh5 38.Kg2 Re2 39.Kg1 Qh2 40.Kf1 Qf2) 31.Rh1 (31.Rc2 Rd7 32.Rh1 Qf7-+) 31...Qf7 (better 31...Qe2 32.Rhc1 Re3 33.Kg1-+) 32.Rb1 (32.Rd6 Rd7 33.Rdd1 Rd1 34.Rd1 Qa2-+) 32...Rc7 (32...Qd5 33.Kg1 Kf7 34.Rh6 gh6 35.Rc1 Re3 36.fe3 Re3 37.Rc7 Ke8 38.Rc8 Kd7 39.Rc2 Qd1 40.Kh2 Qc2 41.Kh3 Qf2 42.a5 Qg3) 33.Rbc1 (33.Rc7 Qc7 34.Kg1 Qc2-+) 33...Rc6 34.Rc6 (34.bc6 Qd5 35.Kg1 Kf7 36.Ra1 Rh8 37.Kf1 Rh1 38.Ke2 Ra1 39.f3 Qd1 40.Kf2 Qd2) 34...Re7 (better 34...Qd5 35.Kg1 Re4 36.Rc8 Kh7 37.Rc1-+) 35.Kf3 (35.Rd6 Qa2 36.Rd8 Kh7-+) 35...Rc7 (35...Qd5 36.Ke2 Rd7 37.Rc8 Kh7 38.Rc1 Qa2 39.Ke1 Rd2 40.Kf1 Rf2 41.Kg1 Rg2 42.Kh1 Rh2 43.Kg1 Qf2) 36.Rd6 (36.Rc7 Qc7 37.g4 fg4 38.Kg4 Qc4-+) 36...Qe7 (36...Qh5 37.Kg2 Rc1 38.Rd8 Kh7 39.Rh8 Kh8 40.g4 Qh1 41.Kg3 Rg1) 37.Rd4-+ Qe4! 38.Re4 fe4 39.Ke4 Rc4 40.Kd5 Ra4 41.Kc6 Ra1 (41...Kf7 42.f3-+) 42.Kb7 (42.g4 Kf7 43.f5 Kf6-+) 42...Kf7 43.f3 (43.Kc6 Ra2 44.f3 Ra3-+) 43...Kf6 (43...Ke6 44.e4-+) 44.g4 (44.e4 Ke6 45.f5 Kd7-+) 44...Rf1 (44...Ra3!? 45.f5-+) 45.Ka7 Rf3 46.Kb6 Rf1 (better 46...Re3 47.Kc5 Rc3 48.Kd5-+) 47.Ka6? (47.Kc6!? Ke7 48.f5-+) 47...Ra1 (47...Ke6 48.Kb7-+) 48.Kb7 (48.Kb6 Ke6 49.Kc5 Kd7-+) 48...Ke6 49.b6 (49.Kc7 Rc1 50.Kb7-+) 49...Kd5?? (better 49...Kd6 50.Kc8 Ra8 51.Kb7 Re8-+) 50.Kb8?? (50.Kc7 Rc1 51.Kd7 Rb1=+) 50...Rb1 (50...Re1 51.Kb7-+) 51.b7?? (51.Kc7 Ke4 52.f5 Ke3=) 51...Ke4 (better 51...Kc6 52.Kc8 Rb7 53.g5-+) 52.Kc8?? (52.f5 Rc1 53.Ka7 Ra1 54.Kb6 Rb1 55.Kc7 Ke3=) 52...Rc1 (better 52...Ke3 53.f5 Kf4-+) 53.Kd8 Rd1 54.Ke7?? (better 54.Kc7 Rc1 55.Kd7=) 54...Rb1-+ 55.b8Q Rb7 (better 55...Rb8 56.f5 Ke3-+) 56.Qb7+- Ke3 57.f5 Kf4 58.Qb4 Kg5 59.Kf7 g6 60.fg6 Kh4 61.g7 Kg3 62.g5 (62.g5 Kg2 63.Qf4 Kg1 64.g8Q Kg2 65.Qh7 Kg1 66.Qhh2; 62.Qc3 Kf2 63.g8Q Kf1 64.Qf3 Ke1 65.Qh8 Kd2 66.Qhc3) 1-0. KLINGON09 (1815) - artkuriu (1810), lichess.org, 2020.

9.Bc4 Bf3 10.Qf3+= (worse 10.gf3 a6=+) 10...Nbd7 (10...c6 11.0-0+=) 11.0-0+– Re8 12.d4 c5 (12...Bd6 13.Nc3+–) 13.Nd2 (better 13.bc6 Nf8 14.Ba6+–) 13...cd4+= 14.ed4 (14.Bd4 Bd6+=) 14...Rc8 15.Rac1 Bb4 16.Ne4 (16.Nb3 Rc7=) 16...Ne4 17.Qe4 Nf6 18.Qh4 Be7 (18...Qd6 19.Qh3=) 19.Qh3 Qd6 20.Bd3 Rc1 21.Rc1 Qb4 22.Bc3 Qa3 (22...Qa4!? 23.Ra1 Qb3=) 23.Ra1+= Qc3?? (better 23...Qd6 24.d5 e5+=) 24.Bh7!+– Nh7 25.Qc3 Ng5 (25...Nf8 26.Qc7 Bf6 27.Qa7 Bd4 28.Rc1+–) 26.Qc6 (26.Qc7 Bd8 27.Qa7 Ne4+–) 26...Rd8 27.Qc7 (27.a5 Rd4 28.Qa8 Kh7 29.Qa7 Bc5+–) 27...Bf6 28.h4 Ne4 29.Re1 (worse 29.Qa7 Bd4 30.Ra2 Bc5+–) 29...Nd6 30.d5 Bh4 (30...ed5 31.Re7! Be7 32.Qe7+–) 31.g3 (31.de6 fe6 32.Re6 Nf5+–) 31...Bf6 32.de6 fe6 33.Qa7 Nf5 (33...Nc4 34.Qc7 Nb2 35.Re4+–) 34.Re6 (34.Qb6 Nd4 35.Kg2 Kf8+–) 34...Bd4 35.Rb6 (35.Qc7 Rf8 36.Rb6 Bb6 37.Qb6 Re8+–) 35...Bb6 (35...Ng3 36.Qc7 Bb6 37.Qb6 Rd1 38.Kg2+–) 36.Qb6 Rd1 (36...Re8 37.Qc5 Re1 38.Kg2+–) 37.Kg2 Rd6 (37...Kh7 38.Qc5 g6 39.b6+–) 38.Qb8 Kh7 39.a5 Rf6 (39...Rd2+–) 40.a6 Nd6 41.a7 (41.a7+–) 1–0. GuestCJDC – GuestGRTR, freechess.org, 2018.

10.0-0 c5 11.Be2 Rc8 12.d4 cd4 13.Nd4 Ne5 14.Nd2 Qd7 15.N2f3 Nf3 16.Bf3 Bf3 (16...Nd5 17.a5=) 17.Qf3+= Nd5 18.Nc6 Bf6 19.Bf6 Nf6 20.Rad1 Qb7 21.Rd2 Nd5 22.Rfd1 a6 23.h3 ab5 24.ab5 Ra8 (better 24...Rc7 25.Rd3 Rd7+/-) 25.Rd5 (better 25.Nb4!+-) 25...ed5= 26.Rd5 Ra5 (better 26...Ra4=) 27.Na5+- ba5 28.Re5 (28.Qf5!?+/-) 28...Qf3 29.gf3 Rb8 30.b6 g6 31.Ra5 Rb6 32.Kg2 Kg7 33.h4 Re6 34.h5 Rf6 35.hg6 hg6 36.Kg3 Rc6 37.f4 f6 (37...Kf6 38.e4+/-) 38.f3 f5 39.e4 Rc3 40.e5 Rc1 41.Ra7 Kf8 42.Rh7 Rc2 43.Rb7 Rd2 44.Kh4 Rg2 45.e6?? (better 45.Ra7+-) 45...Re2= 46.Rf7 Kg8 47.Kg5 Re6 48.Rb7 Rc6 49.Rb8 Kg7 50.Rb7 Kg8 51.Rb1 Kg7 52.Rh1 Rc2 53.Kh4 (53.Rh2 Rc1=) 53...Rg2 54.Kh3 Rf2 55.Kg3 Rb2 56.Rd1 Rb7 57.Rd7 (57.Rd7 Rd7 58.Kf2-+). BeepBeepImAJeep (2540) - locaporelbaile (2210), lichess.org, 2017.

10.0-0 Bc5 11.d4 Be7 12.Nbd2 a6 13.Bd3 ab5 14.ab5 Ra1 15.Qa1 Nd5 16.Qb1 Nb4? (16...f5 17.Rc1+=) 17.Be4 (better 17.Bh7 Kh8 18.Ba3+-) 17...Be4+= 18.Qe4 (18.Ne4 f5 19.Nc3 Qa8+=) 18...Nd5 (18...Nf6 19.Qb7=) 19.Rc1 N7f6 20.Qc2 g6 (20...Qd7!? 21.Qc6 Qc6 22.Rc6 Rc8+=) 21.Ne5+/- Qd6 (21...Bd6 22.Nc6 Qa8 23.Nf3+/-) 22.Ndc4 (22.e4 Nb4 23.Qc7 Ra8+-) 22...Qd8 23.Nc6 Qd7 24.Ne7 (24.N4e5 Qe8+-) 24...Ne7+/- 25.Ba3 Rd8?? (better 25...Ra8+/-) 26.Ne5+- Qe8 27.Be7 Qe7 28.Nc6 (28.Qc7?! Qc7 29.Rc7 Rd5 30.Nf7 Rb5+-) 28...Qd6 29.Nd8 Qd8 30.Qc7 Qc7 31.Rc7 Nd5 (31...Kf8 32.Rb7 Nd5 33.e4+-) 32.Rc6 f5 (32...Kf8 33.e4 Nf6 34.Rb6 Ne4 35.Rc6+-) 33.Kf1 (better 33.Re6 Kf7 34.Rd6 Nc3 35.Rb6 Ke7+-) 33...Kf7 34.Ke2 Kf6 35.f3 g5 (35...Ke7 36.e4 fe4 37.fe4+-) 36.g3 (36.e4 Nf4 37.Kf1 g4+-) 36...h5 Black intends g4 (36...Kf7 37.g4 f4 38.e4+-) 37.e4 g4 (37...Nb4 38.Rc4 Na2+-) 38.ed5 Ke7 39.de6 Ke8 40.f4 Ke7 41.d5 h4 42.Rc7 Kf8 43.Rf7 Ke8 44.Kd3 (44.d6 hg3 45.d7 Kd8 46.Rf8 Ke7 47.d8Q Ke6 48.Rf6) 44...hg3 (44...Kd8 45.d6 Kc8 46.Rf8 Kb7 47.d7 h3 48.d8Q Ka7 49.Qe7) 45.hg3 (45.d6 gh2 46.d7 Kd8 47.Rf8 Ke7 48.d8Q Ke6 49.Rf6) 45...Kd8 46.Kd4 Kc8 47.d6 Kd8 (47...Kb8 48.e7 Kb7 49.e8Q) 48.Rf8 1-0. BeepBeepImAJeep (2660) - denizisletmecisi (1890), lichess.org, 2017.

10.0-0 Nc5 11.d4 Nce4 12.Nbd2 Nd2 13.Nd2 c6 14.Be2 cb5 15.ab5 Rc8 (15...Qd7!?=) 16.Ra7+/- Bd6?? (better 16...Rc7 17.Qa4 Qb8+/-) 17.Rb7+- Rc7 (17...Re8 18.Bd3+-) 18.Rc7 (better 18.Rb6!? Nd5 19.Ra6 Rb7+-) 18...Qc7 19.h3 Rd8 20.Nc4 Bb4 21.Qb3 Be7 22.Rc1 Qb7 23.Bf3 Qb8 24.Ne5 Nd5 (24...Re8 25.Nc6 Qd6 26.e4+-) 25.Nc6 Qc7 26.Bd5 Rd5 (26...ed5 27.Ba3 Ba3 28.Qa3+-) 27.Ne7 (better 27.Ba3 Bd6 28.e4 Rb5+-) 27...Qe7 28.Rc8 (28.Qd5 ed5 29.Rc8 Qf8 30.Rf8 Kf8 31.Ba3 Ke8+-) 28...Rd8 29.Qa3 Qd7 30.Rd8 (30.Rc6!? Qb7+-) 30...Qd8 31.Qa7 h6 (31...h5 32.Ba3+-) 32.Ba3 Qd5 (32...h5 33.Bc5!+-) 33.Qb6 Qb3 34.Qc5 Qd1 35.Kh2 1-0. BeepBeepImAJeep (2690) - Lashat25 (1980), lichess.org, 2017.

10.0-0 Nc5 11.d4 Nce4 12.Nbd2 Nd2 13.Nd2 Nd5 14.Be2 Bg5 (14...a6 15.Qb3=) 15.Bf3 c6 16.Qb3 cb5 17.ab5 Qf6 18.Ne4 Qg6 (18...Qd8 19.Ba3 Be7 20.Be7 Qe7 21.Ra4+=) 19.Ng5 (better 19.Nd6!? Bc8 20.e4+-) 19...Qg5+= 20.Rfc1 Qg6 21.g3 Rac8? (21...Rfd8!?+/-) 22.Rc8 (22.Ra7 Rc1 23.Bc1 Bc8+-) 22...Rc8 23.Ra7 Ba8?? (23...Qb1 24.Kg2 Rc7 25.e4+-) 24.Ra1 (better 24.Qa2 h6 25.Ra8 Ra8 26.Qa8 Kh7 27.e4+-) 24...h6+= 25.Rc1 Rc1 (25...Nc3! 26.Rc3 Rc3 27.Bc3 Bf3=+) 26.Bc1+/- Bb7 27.Bd2 f5 (27...Kh7 28.Bg2+/-) 28.Qa2 (better 28.Bb4!?+-) 28...Nc3+/- 29.Bc3 Bf3 30.Qc4 (30.h3 Kh7 31.Qc4 Qh5=) 30...Qg4 31.Qf1 (31.Qe6!? Kh7 32.Qc4=) 31...Be2= 32.h3 Bf1 33.hg4 Bb5 34.gf5 ef5 35.d5 Bc4 36.d6 Be6 37.f3 Bd7 38.e4 b5 (38...fe4 39.fe4 Kf7 40.e5=) 39.Kf2+= fe4 40.fe4 Kf7 41.Ke3 Ke6 (41...g5 42.Kd4+=) 42.Bg7 Kd6 (42...h5 43.e5+=) 43.Bh6+/- b4? (better 43...Ke7+/-) 44.Kd4 1-0. BeepBeepImAJeep - wolf2875, lichess.org, 2017.

10.0-0 c6 11.d4 cb5 12.ab5 Rc8 13.Be2 Ra8 14.Nbd2 Qb8 15.Ne5 (15.Qa4 Rc8+=) 15...Rc8 16.Bf3 Ne5 17.Bb7?? (17.de5 Nd7=) 17...Qb7?? (better 17...Neg4 18.Re1 Qb7-+) 18.de5= Nd7 19.Nf3 Rc5 20.Qb3 Rac8 21.Bd4 R5c7 22.Bb2 Nc5 23.Qa2 Qe4 24.Nd4 (24.Rfd1 h6=) 24...Nd3 (24...Qe5!? 25.Nc6 Qf5-/+) 25.Nc6 Nb2 26.Qb2 Bc5 (26...a5 27.Rfc1 Bc5 28.Qe2=) 27.Rfd1 (27.Na7 Rd8+/-) 27...h6? (better 27...a5!?=) 28.Ra7 Rc6 (better 28...Ra7!? 29.Na7 Ra8+/-) 29.bc6+- Qc6 30.Qd2 b5 31.Rd7 Rf8 32.Rd8 (32.Qc2 b4+-) 32...b4 33.Rf8 (33.Qc2 Qb5+-) 33...Bf8 34.Qd3 Qc5 35.g3 (better 35.Qe4!?+-) 35...Qe5+= 36.Qc4 Qc5 37.Qc5 Bc5 38.Rd3 Bf8 39.Kf1 f6 40.f4 Kf7 41.Ke2 Kg6 (41...f5 42.Rd7 Kf6 43.Kd3+=) 42.Rd7 Kf5 (42...f5 43.Kd3+/-) 43.Rb7 (43.Rf7 Bc5 44.Rg7 Ke4+-) 43...Kg6 (43...g5 44.fg5 hg5 45.Kd3+/-) 44.Kf3 h5 45.e4 Kh7 (45...Bd6 46.h3+/-) 46.h3 (46.Rb6 e5+-) 46...Kg8 47.g4 White prepares the advance f5 47...hg4 48.hg4 Kh7 (48...Bc5 49.g5 fg5 50.fg5+-) 49.f5 e5 (better 49...ef5 50.ef5 Bd6+-) 50.g5! fg5 51.Kg4 Bc5 52.Kg5 Be3 53.Kg4 Bd4 (53...Kg8 54.Kh5 (54.Rb4?! Kf7+-) 54...Kh7 55.Rb4+-) 54.f6 Kg6 55.f7 (better 55.fg7 Kh7 56.Kg5 Be3 57.Kf6+-) 55...Kh7?? (better 55...Bc5+/-) 56.f8Q (56.f8Q b3 57.Qg7) 1-0. BeepBeepImAJeep (2565) - babageldiBOUN (2415), lichess.org, 2017.

10.0-0 c6 11.d4 cb5 12.ab5 Nd5 13.Nbd2 a6? (13...Bd6 14.Qb3+=) 14.Bd3 (better 14.ba6 Bc6 15.e4+-) 14...ab5= 15.Bb5 Qc8 16.Qb3 Ra1 17.Ra1 N7f6 18.Rc1 Qa8 19.Ne5 Rc8 (19...Qa5 20.Ndc4 Qb4 21.Qb4 Bb4 22.f3+=) 20.Ra1 Qb8 21.h3 (21.e4 Nb4 22.f3 Bc6 23.Nc6 Nc6+=) 21...h6 (21...Nb4 22.Bc4 Bd5 23.Bd5 ed5 24.Rb1+=) 22.Ndf3 (22.e4 Nb4 23.Ra4 Nc6+=) 22...Ne4 23.Ba3 Rc3 24.Qb2 Ba3 25.Ra3 Ra3 26.Qa3 Qf8 27.Qa7 Bc8 (27...Qa8!? 28.Qa8 Ba8=) 28.Bc6 f6? (28...Nec3 29.Qb8+/-) 29.Nc4 (29.Ng6 Qb4 30.Bd5 ed5 31.Ne7 Kh7 32.Nc8 Qb1 33.Kh2 Nf2+-) 29...Qb4 (29...b5 30.Nb6 Nec3 31.Nc8 Qc8 32.Qc5=) 30.Bd5 (30.Qa8!? Ne7 31.Nb6 Qb1 32.Kh2 Qb6 33.Be4 Qc7 34.g3 f5+-) 30...ed5+/- 31.Nb6 Qb1 32.Kh2 Nf2 (32...Be6 33.Nd7 Bd7 34.Qd7 Qb8 35.g3+/-) 33.Nc8+- Qh1 34.Kg3 Ne4 35.Kf4 Qg2 36.Ne7 Kh7 37.Nf5 (better 37.Nd5 f5 38.Ne1 Qh3 39.Ke5 Qg3 40.Kf5 Nd6 41.Ke6+/-) 37...Nd2?? (better 37...Nf2 38.Qg7 Qg7 39.Ng7 Kg7=) 38.Qg7!+- Qg7 39.Ng7 Nf3 40.Nh5 (40.Ne8 Ng1 41.Kf5 Nh3 42.Nf6 Kg7 43.Nd5 Ng5+-) 40...Nh4? (better 40...Kg6 41.Nf6 Nd4 42.Nd5 Nb3+-) 41.Nf6 (41.Nf6 Kg6 42.Nd5+-) 1-0. BeepBeepImAJeep (2645) - Petrochiant (2215), lichess.org, 2015.

9.0-0 a6 10.d3 =.

9.0-0 dc4 10.Bc4 a6 11.d3 =.

9.0-0 dc4 10.Bc4 cb5 11.ab5 Nbd7 (11...a5 12.d3=) 12.d4 (12.Qe2 Ne4+=) 12...Ne4 (12...Qc7 13.Bd3=) 13.Nc3 (13.Qe2 Bd6+=) 13...Ndf6 (13...Nc3 14.Bc3 Qc7 15.Nd2=) 14.Qc2 (14.Ne4 Be4 15.Qe2 Qb8+=) 14...Qc7 (14...Nc3 15.Qc3 Bf3 16.gf3=) 15.Bd3 (15.Ne5 Bd6=) 15...Nc3 (15...Rfc8 A) worse is 16.Ne4 Qc2 17.Bc2 Rc2 (worse is 17...Ne4 18.Bd3+=) 18.Nf6 Bf6+=; B) 16.Rfc1 Nc3 17.Qc3=) 16.Qc3 Qc3 17.Bc3 Nd5 (17...Rfc8 18.Rfc1=) 18.Bd2+= Rfd8 (18...Rfc8 19.Rfc1+=) 19.Rfc1 (19.Ra4 Nf6+=) 19...Bd6 20.Ra4 (20.Rc2 Nf6+=) 20...Nc7 (20...Nf6 21.Rca1+/–) 21.Rca1 (21.Bb4 Ne8+/–) 21...a5 22.ba6 Bc6? (better is 22...b5!? 23.R4a2 Ba6+/–) 23.R4a2+– Ra7 (23...Bf3 24.gf3 Ra7 25.Rb1+–) 24.e4 Rda8 25.d5 (better is 25.Be3!?+–) 25...ed5+= 26.Nd4 Bd7 27.ed5 b5? 28.Nc6 Bc6 29.dc6 Be5 30.Rb1?? Ra6= 31.Ra6 Ra6+= 32.Be4 f6 33.Bb4 Ra4 34.Bc2+= Ra6 35.Be4 Kf7 36.h4 h5 37.g3+= Ke6 38.f4 Bd4 (38...Bd6 39.Bd6 Kd6 40.Rd1 Kc5 41.Rd7+/–) ½–½. Trokenheim,Marek – Borowski,Kazimierz, corr private, 1986.

9.0-0 dc4 10.Bc4 Bd6 11.d3 =.

9.0-0= c5 10.d4 Nbd7 11.Nbd2 Qc7 12.Rc1 dc4 (12...Rfd8 13.Bd3=) 13.Bc4 (13.Nc4 Rfd8=) 13...Nd5 (13...a6 14.ba6 Ba6 15.Qb3=) 14.Qb3 (14.e4 Nf4+=) 14...N7f6 (14...a6 15.e4 ab5 16.ab5= (16.Qb5 Bc6 17.Qb3 Ba4–/+; 16.Bb5?! N5f6+=)) 15.h3 (15.e4 Nb4 16.dc5 bc5+=) 15...Rac8 (15...a6 16.ba6 Ba6 17.e4+=) 16.Rc2 (16.e4 Nb4+=) 16...Nb4 17.Rcc1 Nbd5 (17...Rfd8 18.dc5 bc5 19.Rfd1=) 18.Ba3 (18.e4 Nb4+=) 18...Qd8 (18...Rfd8 19.Rfd1=) 19.Rc2 (19.e4 Nf4 20.dc5 bc5+=) 19...Nd7 20.Rfc1 cd4 21.Be7 (21.Bd5 Rc2 22.Qc2 Bd5 23.Be7 Qe7 24.Nd4 Nc5=) 21...Ne7 (21...Qe7 22.Nd4 Rfd8 23.Bd5 Rc2 24.Qc2 (24.Nc2?! Bd5 25.Qc3 Nc5=) 24...Bd5 25.Qc7+=) 22.Nd4+= Nf6 (22...Nc5 23.Qa3=) 23.Ne6+/– fe6 24.Be6 Kh8 25.Bc8 Bc8 26.Nf3 (26.Qc4 Qe8+/–) 26...Bf5 27.Rd2 Qe8 28.Rc7 (better is 28.Rdd1+=) 28...Ned5?? (28...Ne4 29.Rd4=) 29.Ra7?? (better is 29.Rd5 Be6 30.e4 Nd5 31.ed5+–) 29...Qh5?? (better is 29...Qb8 30.Nd4 Qa7 31.Nf5 Ne7=) 30.Rd5+– Nd5 31.Qd5 Qg6 (31...Qe8 32.Qb7 Rg8 33.Qb6+–) 32.Ra8 (better is 32.Nh4 Qe6 33.Qf5 Qd6+– (33...Rf5?? 34.Ra8 Qg8 35.Rg8 Kg8 36.Nf5+–)) 32...Qf6 33.Ng5! h6 (33...Qg5 A deflection 34.Rf8 Theme: Double Attack) 34.Nf7 (34.Nf7 Kg8 35.Nh6 Kh7 36.Rf8 (36.Qf5?! Qf5 37.Nf5 Ra8+–) 36...Qf8 37.Nf5+–) 1–0. Van Esbroeck,Dirk – Ruythooren,E, Melsele, 1993.

9.0-0 Nbd7 10.Nd4 (10.cd5 Nd5 11.Nc3 N7f6=) 10...Rc8 (10...c5 11.Nf3+=) 11.bc6 (11.d3 c5 12.Nf3 Bd6=) 11...Bc6 12.Nc6 Rc6 13.cd5 Nd5 14.Bb5 (14.Nc3 Nc3 15.Bc3 Bd6=) 14...Rc7 (14...Rc8 15.Nc3 Nc3 16.Bc3=) 15.Qg4 (15.Nc3 N7f6=) 15...N7f6 16.Qh3 (16.Qf3 Nb4=) 16...Nb4+= 17.Be5 (17.Qg3 Rc2 18.Bc3 Nbd5+=) 17...Rc8 (17...Bd6 18.Bc3+=) 18.d4= Qd5 (18...Bd6 19.Bd6 Qd6 20.Na3=) 19.Nd2 (19.Na3 Nd7 20.Bf4 a6=) 19...Nd7 (19...Rc2 20.Rfd1=) 20.e4 (20.Bg3 Rc2 21.Rfd1 Nf6=) 20...Qb7 21.Bd7 (21.Rfd1 Ne5 22.de5 Rc2+=) 21...Qd7 22.Qg4 (better is 22.Nf3!?=) 22...f6–/+ Black gets strong initiative 23.Bg3 (23.Bf4 Nc2 24.Rad1 f5 25.ef5 A) 25...Rf5?! 26.Be5 g6 27.a5=; B) 25...Nd4?! 26.f6 Bf6 27.Ne4=; C) worse is 25...Qa4 C1) worse is 26.fe6 h5 (worse is 26...Nd4 27.Be3 Rcd8 28.Ra1+/–) 27.Qh5 Rf4+=; C2) 26.Be5 Bf6 27.Bf6 Rf6 28.Ne4 (28.fe6?! Re8=) 28...Rf5 29.d5+/–; D) 25...ef5–/+) 23...Nc2 (23...f5 24.ef5 ef5 25.Qh5–+) 24.Rad1 f5 (24...Nd4?! 25.Nb3 Bc5 26.e5=; 24...Qd4? 25.Qe6 Kh8 26.Qe7 Qa4 27.Qe6+–) 25.ef5 ef5 (25...Rf5?! 26.Be5 g6 27.a5=; 25...Qd4 26.Qe2 Rfe8 27.Qe6 (27.fe6?! Qa4 28.Nf3 Rc6=) 27...Kh8 28.Nf3+/–; 25...Nd4? 26.Nb3!? Bc5 27.Nd4 ef5 28.Nb3+–; worse is 25...Qa4 26.Be5 Bf6 27.Bf6 Rf6 28.Ne4 (28.fe6?! Re8=) 28...Rf5 29.d5+/–) 26.Qe2 f4 27.Nc4 fg3 28.Qc2 gh2 29.Kh1 Qd5 30.Nb6?? ab6–+ 31.Qb2 Qd6 32.Qb3 White intends d5 32...Kh8 33.Rde1 Bf6 34.Re6 Qc7 35.d5 Bd4 36.d6 Qd7 37.Rd1 Rc3 38.Qd5 Bf6 39.g4? h6 40.Rde1 Rc5 41.Qe4 Rd8 42.Qg6 Rcc8 43.Rf6 gf6 44.Qh6 Qh7 45.Qf6 Qg7 46.Qf5 Rc5 47.Qd3 Qg4 (47...Qg4 48.Qd1 Qf4–+) 0–1. Wall,Bill – Britt,Paul, Dayton, OH, 1982.

9.0-0 dc4 10.Bc4 a6 11.d3 =.

9.0-0 c5 10.bc6 Bc6 11.d4 Ne8 (11...dc4 12.Bc4 Rc8 13.Ba6=) 12.Nbd2 (12.cd5 Bd5 13.Nc3 Bb7=) 12...f5 (12...Nd6 13.cd5 Bd5 14.Bd3=) 13.Qb3 Nd6 14.Rfc1 Rc8 15.Ba3 White prepares c5 15...Kh8 16.c5 (16.a5 ba5 17.Ng5 dc4 18.Nc4 a4+=) 16...Ne4 (16...bc5!? 17.Bc5 Nc5 18.dc5 Nb7=) 17.cb6+= ab6 18.Be7 Qe7 19.Bb5 (19.Rc2 Qd6+/-) 19...Bb5 20.ab5 Ndf6 21.Nf1 (21.Rc8 Rc8 22.Ne4 Ne4+=) 21...Rc7 (21...Ng4 22.Rc8 Rc8 23.h3 Ngf2 24.Ra2+=) 22.Rc7 (22.Ne5 Rc1 23.Rc1 Ng4+=) 22...Qc7 23.Ne5 Qc3 24.Rb1 Qb3 25.Rb3 g6 (25...Ra8 26.f3 Nd6 27.Rc3+=) 26.Ra3 (26.f3 Nd6+=) 26...Rc8 27.Nc6 (27.f3!? Nd6 28.Ra6=) 27...Nd6=+ 28.Na7? (28.Ra6!? Nd7 29.Ne5 Ne5 30.de5=+) 28...Rc1 (28...Ra8 29.f3-+) 29.f3 (29.Ra2 Nfe4 30.g3 Nc3-+) 29...Rb1 (better 29...Nc4!? 30.Ra2 Ne3-+) 30.Kf2-/+ Nb5 (30...Rb2 31.Kg3-/+) 31.Nb5=+ Rb5 32.Ra7 (32.Ke2 Kg7=+) 32...Rb2-/+ 33.Kg3 Nh5 34.Kh3 g5 (better 34...f4!? 35.g4 fe3 36.gh5 e2-+) 35.g4=+ Nf6 36.gf5 ef5 (better 36...Rf2 37.Ng3 Rf3=) 37.Ng3? (better 37.Rf7 g4 38.Kg3 Nh5 39.Kh4=) 37...g4-/+ 38.fg4 fg4 39.Kh4 Rh2 40.Kg5 Rf2 (better 40...Ng8=+) 41.Nf5?? (41.Ra8 Ng8 42.Nf5 Rf5 43.Kf5+/-) 41...g3 (better 41...Ne4 42.Kg4 h5 43.Kh5 Rf5 44.Kg4 Rf1-+) 42.Ra8+- Ng8 43.Ng3 (better 43.Nh6 Rf5 44.Kf5+-) 43...Rg2 (better 43...h6!? 44.Kg4 Kg7 45.Nh5 Kf7=) 44.Kf4= Kg7 45.Nf5 Kf6 46.Nh4 Rf2 (better 46...Rg1 47.Nf3 Rg6=) 47.Kg3+- Re2 48.Kf3 (better 48.Rg8 Re3 49.Nf3+-) 48...Rh2= 49.Ng2 (better 49.Kg3 Re2 50.Rg8 Re3 51.Nf3+-) 49...Rh3?? (better 49...Kf7=+) 50.Kg4+- Re3?? (better 50...Rh2 51.Kg3 Rg2 52.Kg2 Kf7+-) 51.Rg8 (better 51.Ne3 Ne7 52.Rb8+-) 51...Re4=+ 52.Nf4 Rd4 53.Rh8 Ke5 (53...Ke5 54.Re8 Kd6 55.Rd8 Kc6 56.Rc8 Kb5=+) 0-1. dale70 (2060) - cartman14 (1995), Rated Blitz game, lichess.org, 2015.

9.0-0 Nc5 10.Na3 Nce4 (10...a6 11.Bf6 Bf6 12.d4=) 11.d3+= Nd6 12.Qc2 (12.cd5 Nd5 (worse is 12...Bd5 13.e4+–) 13.Qc2 c5=) 12...Rc8 (12...c6 13.Be5=) 13.Ne5 (13.c5 bc5 14.Qc5 a6 15.ba6 Ba6+=) 13...dc4 (13...c6 14.Bf3=) 14.Nac4 Nc4 (14...c6 15.Bf3 Nd5 16.Nd6 Bd6 17.Nc6 Bc6 18.bc6+=) 15.dc4 Bd6 16.Rfd1 Qe7 (16...c5 17.a5+=) 17.Rac1 (17.a5 c5+=) 17...Rfd8 (17...a5 18.ba6 Ba6 19.Bf3+=) 18.Bf3 (18.Bd3 Ra8+=) 18...Bf3= 19.Nf3 Ba3 (19...c6 20.Rd2=) 20.Ba3+= Qa3 21.Nd4 a5 (21...a6 22.Nc6 Rd1 23.Rd1+=) 22.Nc6 (22.c5 e5 23.Nc6 Rd1 24.Rd1 Re8+=) 22...Rd1 23.Rd1 Qc5 24.Qd3 Re8 25.Qd4 (25.e4 Ng4 26.Rd2 Qg5+=) 25...Qf5 26.Qd3 (26.Qd2 e5+=) 26...Qg4 (26...Qc5 27.e4 Ng4 28.Rd2+=) 27.Ne5 (27.f3 Qg5+=) 27...Qh5 28.Nd7 Kh8 (28...Ne4 29.Qc2+=) 29.Nf6+/– gf6 30.Qd7 Rg8 31.Rc1 Qf3 (better is 31...Qg5!? 32.g3 Qe5+/–) 32.g3 +–. Wilk,Krzysztof – Ranby,Hans, corr 3GMM–23, 1997.

9.0-0 Nc5 10.a5 ba5 11.d4 Nce4 =.

9.0-0 Nc5 10.d4 Nce4 11.cd5 Qd5 12.Nbd2 Nd2 13.Qd2 Ne4 14.Qc2 Rac8 15.Bd3 (15.Bc4!? Qf5 16.Ne5+=) 15...c5= 16.Be4 (16.dc5 Bc5 17.Qe2 Rfd8=) 16...Qe4+= 17.Qe4 Be4 18.Nd2 Bd3 19.Rfc1 cd4 20.Bd4 Bb4 21.Nf3 Be4 22.h3 Bf3 (22...f6!?+=) 23.gf3= f6 24.f4 Rce8 25.Rc7 Ra8 (25...Rf7 26.Rac1=) 26.Rac1 Bd6 27.Rd7 Bb4?? (better is 27...Rfd8 28.Rb7 Rdb8 29.Rb8 Rb8=) 28.Rcc7+– Rfc8 29.Rg7 Kf8 30.Rh7 (better is 30.Rcf7 Ke8+–) 30...Rc7 31.Rc7 f5 32.h4 a6 (32...Bd6 33.Rh7 Ke8+–) 33.Rh7 (worse is 33.Bb6 ab5 34.ab5 Rb8+–) 33...Ke8 34.Rh8 (worse is 34.Bb6 ab5 35.Rh8 Bf8 36.ab5 Rc8+–) 34...Bf8 35.Bg7 (better is 35.a5 ba5 36.b6+–) 35...Ke7 (35...Kf7 36.Rf8 Rf8 37.Bf8 ab5 38.ab5 Kf8+–) 36.Bf8 Rf8 37.Rf8 (37.Rf8 ab5 38.Ra8 ba4 39.Ra4+–) 1–0. Hal1958 – Acrylato, playchess.de, 2004.

9.0-0 c6 10.Nc3 cb5 (10...dc4 11.Bc4 cb5 12.Bb5=) 11.ab5 (11.cb5 a6=) 11...Nc5 (11...dc4!? 12.Ra4 Nc5 13.Rc4 a6=) 12.d4+= Ncd7 13.cd5 Nd5 14.h3 Nc3 15.Bc3 Nf6 16.Qa4 Qd7 17.Ne5 Qd6 18.Bb2 Nd5 19.Rfc1 f6 20.Ba3 Qd8 21.Nc6 Bc6 22.bc6 Ba3 23.Qa3 Nc7 24.g3 (24.Qb4 Rf7+/–) 24...Qe8 (24...a6 25.Qb4 b5 26.Bf3+=) 25.Ra2 (25.Ba6 Na6 26.Qa6 Qh5+/–) 25...Qf7 26.Rb2 Rfc8 27.Bc4 Nd5 (27...Qh5!?+=) 28.Ba6+/– Rc7 29.e4 Ne7 30.Qd6 Nc6? (better is 30...Ng6+/–) 31.Rc6+– Rc6 32.Qc6 Qf8 (32...Qe8 33.d5 ed5 34.ed5 Rd8+–) 33.Bc4 White plans d5 33...Kh8 34.Be6 h6 35.d5 a5 36.Qb6 a4 37.d6 a3 38.Ra2 Qd8 39.Qc7 Qc7 40.dc7 g6 41.Rd2 Kg7 42.Rd8 a2 43.Ra8 (43.Ra8 a1Q 44.Ra1 f5 45.c8Q Kf6 46.Qd8 Ke6 47.Ra6 Kf7 48.Qd7 Kf8 49.Ra8#) 1–0. pierre – chessophi, internet, 2008.

9.0-0 c6 10.d4 cb5 11.cb5 Rc8 12.Nbd2 Ne4 13.Rc1 Ndf6 14.Qb3 Rc1 15.Rc1 Qd7 16.Ne4 Ne4 17.Ne5 Qd8 18.Nc6 (18.f3 Nd6 19.Bd3+/-) 18...Qd7 (better 18...Bc6!? 19.Rc6 Bd6=) 19.Ne7+/- Qe7 20.Ba3 Nd6 21.Rc3 Rd8 22.Qc2 Qf8? (better 22...Rd7+/-) 23.Bd3 h6 (23...Ba8+-) 24.Rc7 Rc8 (24...Ba8 25.Ra7 Rc8 26.Bd6 Rc2 27.Bf8 (27.Bc2?! Qc8+/-) 27...Rc1 28.Bf1 Kf8 29.Ra8 Ke7 30.Ra6+-) 25.Bd6 Qd6 (25...Qd8+-) 26.Rc8 Bc8 27.Qc8 (27.Qc8 Qf8 28.Bh7 Kh7 29.Qf8+-) 1-0. BeepBeepImAJeep (2505) - RoLeXX159 (2300), lichess.org, 2015.

9.0-0 c6 10.Nd4 c5 11.Nf3 a5 12.ba6 Ba6 13.Nc3 Bc4=+ 14.Bc4 dc4 15.Nb5 Qb8 (15...Ng4 16.Qe2=+) 16.Qc2 Nd5 17.Qc4 Bf6 18.Bf6 N7f6 19.Rfb1 Ra5 20.d4 Rc8 21.Ne5 cd4 22.Qd4 Rc2? (22...Qa8 23.Rc1 Rc1 24.Rc1+/-) 23.Rc1 (better 23.Nc4!? e5 24.Qd3 (24.Qe5?! Qe5 25.Ne5 Kf8+/-) 24...Rc4 25.Qc4+-) 23...Rc1 24.Rc1 h6? (24...Ne7 25.e4+/-) 25.e4?? (better 25.Nc6 Qf8 26.Na5 ba5 27.Qc5+-) 25...Nf4+= 26.Qe3?? (better 26.Kf1 Ra4 27.Qa4 Qe5 28.g3=) 26...Qe5-+ 27.g3 Ng6 (better 27...Ra4!? 28.Qf4 Qb5 29.Qb8 Kh7 30.Qc7-+) 28.Nc3 (28.Rc8 Kh7 29.Nc3 Qd6-+) 28...Rc5 29.f4 (29.f3 Qh5-+) 29...Qc7 30.Kg2 (30.Ne2 Rc1 31.Qc1 Qc1 32.Nc1 Ne4-+) 30...Ne4! 31.Qe4 (31.Ne4 Rc2 Double attack (31...Rc1 Pinning; 31...Rc1 Deflection; 31...Rc4 Decoy); 31.Qe4 Rc4 Double attack (31...Rc3 Deflection; 31...Rc4 Decoy; 31...Rc3 Overloading)) 31...Rc3 32.Rc3 Qc3 33.Kh3 Qc5 34.Qa8 Kh7 35.Qa7 (35.Qe4 Qf2 36.Qd3 f5-+) 35...f5 (35...Qc6 36.f5 Nf4 37.Kg4 Nd3 38.Qa5 Qe4 39.Kh5 g6 40.fg6 fg6) 36.Qf7 (36.Kg2-+) 36...Qf2 37.Qb7 Qf1 (37...Qe2 38.Qe4 fe4 39.a5 h5 40.ab6 Qf1) 38.Qg2 Qg2 (38...Qd1 39.Qe4 Nh4 40.Qe2 Qe2 41.Kh4 Qh2) 39.Kg2-+ Ne7 (39...Nf4 40.gf4 g5 41.Kf3-+) 40.Kf3 Nd5 41.Ke2 Nc3 42.Kd3 Na4 43.Kc4 (43.Kd4 Nc5-+) 43...Nb2 (43...g5 44.Kd4-+) 44.Kb5 (44.Kd4 g5 45.fg5 hg5-+) 44...Nd3 45.Kb6 Kg6 46.Kb5 (46.Kc6 Nf4! 47.Kd6 Kg5-+) 46...Kf6 (46...Nf4 47.Kc5-+) 47.Kc4 Ne1 (47...Nf4!? 48.Kb4-+) 48.Kd4 Nf3 49.Ke3 Nh2 50.Kf2 Ng4 51.Kf3 (51.Ke2 g5-+) 51...e5 (51...Ne5 52.Ke3-+) 52.fe5 Ne5 53.Kf4 g5 (53...Nc4 54.Kf3-+) 54.Ke3 h5 55.Kf2 f4 56.Kg2 fg3 57.Kg3 Kf5 Black intends g4 58.Kh3 g4 59.Kg3 Kg5 60.Kh2 h4 61.Kg2 Kf4 62.Kh2 (62.Kf2 h3 63.Kf1 h2 64.Kg2 g3 65.Kf1 h1Q 66.Ke2 Qh2 67.Kd1 Ke3 68.Kc1 Nd3 69.Kd1 Qe2) 62...Nf3 (62...Kf3 63.Kh1 g3 64.Kg1 g2 65.Kh2 Kf2 66.Kh3 g1Q 67.Kh4 Qg4) 63.Kg2-+ h3 64.Kh1 Ng5 (64...Nd2 65.Kh2 Kf3 66.Kh1 g3 67.Kg1 g2 68.Kh2 Nf1 69.Kh3 g1Q 70.Kh4 Qg4) 65.Kh2 Kf3 66.Kh1 (66.Kg1 Ne4 67.Kh2 Nf2 68.Kg1 g3 69.Kf1 h2 70.Ke1 Ke3 71.Kf1 h1Q) 66...Kf2 67.Kh2 g3 68.Kh1 g2 69.Kh2 g1Q 0-1. SSAARR (2040) - deda1946 (1955), Rated Blitz game, lichess.org, 2014.

9.0-0 c5 10.Nc3 Bf6 11.a3 Nd7 12.Qc2 Ne5 (12...a6 A) 13.Rfd1 Qe7 (13...ab5 14.Nb5 Qe7 15.Rab1 Bb2 16.Rb2 e5 17.Qf5=) 14.Nd5 (14.Bd3 ab5 15.Bh7 Kh8 16.Be4 b4 17.ab4=) 14...ed5 15.Rab1 ab5 16.Bb5 d4 17.Re1=; B) 13.Nd5 Bd5 14.ba6 (14.Bf6 Nf6 15.ba6 Bf3 16.Bf3 Ra6 17.d4=) 14...Bf3 15.Bf3 Bb2 16.Qb2 Ra6 17.Rfd1=) 13.Ne5 (13.Nd5 Nf3 14.Bf3 Bb2 15.Qb2 Bd5 16.e4 Bb7 17.a4=) 13...Be5 14.f4 (14.Nd5 Bb2 15.Qb2 Bd5 16.Qc2 Bb7 17.Bd3=; 14.Rac1 Nc3 15.dc3 Qg5 16.g3 Qh6 17.Rfd1=) 14...Bc3 15.Bc3 (15.dc3? Ne3 16.Qb1 Nf1 17.Qf1 Qd2–+) 15...Nc3 (15...a6 16.Bd3 Qh4 17.Rf3=) 16.dc3 Qe7 (16...a6 17.Rfd1=) 17.Bd3 f5 18.Rad1 (18.Rfd1 Rfd8=) 18...Rad8 (18...a6 19.Qb3=) 19.Rfe1 Rf6 (19...Qf6 20.Bc4=) 20.Bc4 Bd5 21.Qb3 Bc4 22.Qc4 Rff8 23.Rd8 Rd8 24.e4 Qf7 25.a4 Kf8 26.a5 Rd6 27.h3 Qd7 28.Kh2 h6 29.ef5 ef5 30.Qe2 ba5 31.Qc4 (31.Qe5 Kf7=) 31...Rd5 32.Ra1 Qd8 33.Ra5 Qa5 34.Qd5 Qb5 (34...Qc3 35.Qa8 (35.Qf5?! Ke7=) 35...Ke7 36.Qa7 Ke6 37.Qb6 Kd5 38.Qc6 Kd4 39.b6+–) 35.Qf5 Kg8 ½–½. Woelfelschneider,Peter – Kollmann, corr, 1998.

9.Nc3 a6 A) 10.0-0 A1) 10...ab5 11.Nb5 (11.Bb5 Ba3 12.Rb1 Nc3 13.Bc3 Bd6 14.Bc4+=) 11...Nc6 12.d4 Na7 13.Nc3 Bd6 14.Qc2=; A2) 10...Nc3 11.Bc3 (11.dc3 ab5 12.Bb5 Be4 13.Qe2 Qd5 14.Bc4+=) 11...ab5 12.Bb5 Ra3 13.Be2 Nc6 14.Bb2=; B) 10.a4 c5 11.0-0 Bf6 12.d4 ab5 13.ab5 Nc3 14.Bc3=.

9.Nc3 c6 10.Rc1+= A) 10...Nc3 11.Bc3 (11.Rc3 cb5 12.Bb5 a6 13.Be2 Bd5 14.0-0=) 11...cb5 12.Bb5 a6 13.Be2 Ba3 14.Rb1=; B) 10...cb5 11.Nb5 Nc6 12.0-0 Rc8 13.d3 a6 14.Nc3+=.

9.Nc3 c6 10.Nd5 Qd5 11.Qb3 cb5 12.Qb5 Rc8 13.Qd5 Bd5 14.Kd1 +=.

9.Nc3 Nd7 10.0-0 (10.Nd5 Bd5 11.0-0 c6 12.bc6 Bc6 13.Rc1 Rc8 14.Nd4=) 10...c5 (10...a6 11.Nd5 (11.a4 N7f6 12.Ne5 Nc3 13.Bc3 Nd5 14.Qc2=) 11...Bd5 12.ba6= Nc5 13.d4 Na6 14.Qb1=; 10...Nc3 11.Bc3 (11.dc3 a6 12.c4 Nc5 13.Bd4 Bd6 14.Qc2=) 11...c6 12.a4 Rc8 13.Qc2 Bd6 14.Rfc1=) 11.bc6 (11.Nd5 Bd5 (11...ed5 12.Qc2 Re8 13.Rfb1 a6 14.a4=) 12.Qc2 Bf6= 13.Bc3 Bb7 14.Rfd1=; 11.Qc2 Nb4 12.Qb3 a5 13.Rfd1 Bf6 14.a3=) 11...Bc6 (11...Nc3 12.Bc3 Bc6 13.Qc2 Nc5 14.Ne5=) 12.Nd4 (12.Rc1 Nc3 13.Rc3 Bd5= 14.Rc2=) 12...Nc3 (12...Bb7 13.Bf3 Nc5 14.Nd5 Bd5 15.Bd5 Qd5 16.d3+=) 13.Bc3 Bb7 (13...Bd5 14.Bf3 Nc5 15.Nc6 Bc6 16.Bc6=) 14.Bf3 Bf3 15.Qf3 Ne5 (15...Bc5 16.Rfc1=) 16.Qe4+= Bf6 (16...Nd7 17.Nc6 Qe8 18.Ne7 Qe7 19.Bb4+/–) 17.f4 (better is 17.Ne6!? fe6 18.Be5+/–) 17...Nd7= 18.f5 (18.Nc6 Qc7 19.Bf6 Nf6=) 18...Nc5+= 19.Qg4 Qd7 20.fe6 fe6 21.Bb4? (21.Nb3 Bc3 22.dc3 Qd3+=) 21...Rae8?? (better is 21...h5!? 22.Qh5 Bd4 23.Bc5 Bc5–+ (23...bc5?! 24.ed4 Qd4 25.Kh1+=)) 22.Rac1 (22.Bc3+=) 22...Qd5 (better is 22...h5!? 23.Qf4 Nd3–/+) 23.Nb5= Rf7 (23...Qd7 24.a4 Bb2 25.Rf8 Rf8 26.Bc5 bc5 27.Rc5 Qd2 28.Qe6 Kh8 29.h3+/–) 24.Nc7 (better is 24.Rf6!? Rf6 25.Nc7+/–) 24...Rc7= 25.Rf6 Na6 (25...Qa2!? 26.Rcf1 e5+=) 26.Rc7= Nc7 27.Bc3 Qd7 28.Rf4 Nd5= 29.Rd4 Qe7 30.Ba1 Qf6 31.Qd1 Qg6?? 32.Rg4+– Qf5? 33.Rg7 Kf8 34.Qf1 Qf1+/– 35.Kf1 Re7 36.Re7 Ne7 37.Be5 a6 38.Bd6+– Kf7 39.Be7 Ke7 40.Ke2 Kd6 41.Kd3 Kd5 42.e4 Kc5 43.Kc3 e5 44.g4 b5 45.g5 b4 46.Kc2 a5?? 47.h4 Kd6 48.h5 Ke7 49.Kb3 1–0. Furlong,Kevin – Wyeth,Anthony J, Oxford op, 1998.

8.0-0 dc4 9.Bc4 a6 10.ba6 Ba6 11.Ba6 Ra6 12.Qe2 =.

8.d4 0-0 9.0-0 h6 10.Nbd2 Nh7 (10...a6 11.Qc2=) 11.cd5+= Bd5 12.e4 Bb7 13.Qc2 Ng5 (13...Nhf6 14.Rac1+=) 14.a4 (14.Ng5 Bg5 15.Ba3 Re8+=) 14...Rc8 15.Ng5 Bg5 16.f4 Be7 17.Rf3 (17.f5 ef5 18.Rf5 c6+=) 17...c5= 18.Qd3 (18.bc6 Nb8 19.d5 ed5 20.ed5 Qd5+=) 18...f5 19.Rg3 (19.Qc4 Kh7 20.Rg3 cd4 (worse 20...Be4 21.Ne4 fe4 22.Qe6+–) 21.Qd4 e5=+) 19...Bh4 (19...fe4 20.Ne4 Rf4=+) 20.Rg7? (better 20.dc5 Bg3 21.Qg3=) 20...Kg7–/+ 21.dc5 Bf6 22.Bf6 (22.e5!? Be5! 23.fe5 Nc5 24.Qg3 Qg5 25.Qg5 hg5 26.Nc4–/+) 22...Nf6–+ (22...Rf6?! 23.e5 Rf8 24.c6–/+; 22...Kf6?! 23.c6 Bc6 24.e5 Kf7 25.bc6=+) 23.Qg3? (23.ef5 bc5 24.fe6–+) 23...Kh7 24.c6 (24.Qe3 bc5 25.Rd1–+) 24...Ba8 (24...Qd4 25.Kf1 Qa1 26.Qe1 Qe1 27.Ke1 Bc6 28.bc6 Rc6 29.e5 Rc1 30.Kf2–+) 25.ef5?? (25.Qe3 fe4 26.Bc4 Bc6 27.bc6 Rc6–+) 25...ef5 (25...Qd4 26.Kh1 Qa1 27.Nf1 ef5 28.Qd3 Qa4 29.Qf5 Kh8 30.Qe5–+) 26.Bd3?? (better 26.Qd3 Nd5 27.Qf3–+) 26...Qd4 27.Kh1 Qa1 28.Nf1 Rg8 (better 28...Ne4!? 29.Qf3 Qa4 30.Qe2–+) 29.Bf5 (29.Qh3 Rcf8 30.Qf5 Kh8–+) 29...Kh8 30.Qf3 (30.Qf2 Rcf8 31.g3 Qa4–+) 30...Bc6! 31.bc6 (31.bc6 Rc6) 31…Rc6 0–1. GuestHSPY – GuestXQGG, freechess.org, 2018.

8.d4 0-0 9.Nbd2 a6 10.a4 ab5 11.cb5 c6 12.0-0 cb5 (12...c5 13.dc5 Nc5 14.Qc2=) 13.Bb5 Qc7 (13...Ba6 14.Qe2 Bb5 15.ab5=) 14.Rc1 (14.Qb3 Qd8+=) 14...Qd8 15.Qb3 Rc8 (15...Ba6!?=) 16.Ne5 Ne5 17.de5 Ne4 18.Ne4 de4 19.Rfd1 (19.Bc4 Bc5+=) 19...Rc1 20.Bc1 (20.Rc1 Bd5 21.Qc3 Bc5+=) 20...Qc7 (20...Bd5 21.Qb1 Bc5=) 21.Ba3 (21.Bb2 Bd5 22.Qc3 Qb7+=) 21...Ba3 (better 21...Bd5!? 22.Rd5 ed5 23.Be7 Qe7 24.Qd5 Qh4=) 22.Qa3= Qe5 23.Rd7 (23.Qd6!? Qf5 24.Qb6+=) 23...Bd5=+ 24.g3 Qf5 (24...h6 25.Qe7=+) 25.h4 (25.Qd6 h6=) 25...Rc8 (25...Qf6 26.Qd6=+) 26.Qc3= Rf8 (26...Rc3?? 27.Rd8) 27.Qc7 h5 28.Qb6 Rc8 29.Rc7 (29.Rd8 Rd8 30.Qd8 Kh7+=) 29...Rc7 30.Qc7 e5?? (better 30...Qg4=) 31.a5 (better 31.Qd8 Kh7 32.Qd5 g5+-) 31...Be6?? (31...Kh7 32.Qd8 Qe6 33.a6+-) 32.Be2 (better 32.a6 Qf3 33.a7+- (33.Qe5?! Bh3 34.Bf1 Bf1 35.Kf1 Qh1 36.Ke2 Qf3 37.Ke1 Qh1 38.Kd2 Qb1+-)) 32...Bc8 (32...g6+-) 33.a6 Qd7 34.Qd7 (better 34.Qe5!? Qc6 35.Bb5 Qc1 36.Kh2 Ba6 37.Qe8 Kh7 38.Ba6 Qc7+-) 34...Bd7 35.a7 Bc6 36.Bh5 Ba8 37.Be2 Kf8 38.g4 g6 (38...f6 39.Kg2 Ke7 40.Kg3+-) 39.h5 Kg7 40.Kg2 f5 41.Kg3 f4 (41...gh5 42.gh5 Kh6+-) 42.ef4 ef4 (42...gh5 43.gh5 ef4 44.Kf4 Kh6+-) 43.Kf4 gh5 44.gh5 Kf6 45.Bg4 Kg7 46.Bf5 e3 47.fe3 Kh6 48.Be4 Kg7 49.Ba8 Kh6 (49...Kf7 50.Bd5 Ke8 51.a8Q Ke7 52.Qc6 Kd8 53.Be6 Ke7 54.Qd7 Kf6 55.Qf7) 50.Bf3 (50.Bd5 Kg7 51.a8Q Kh7 52.Qg8 Kh6 53.Qg6) 50...Kg7 51.a8Q Kf6 52.Qc6 (52.Qd8 Kg7 53.Qe7 Kg8 54.h6 Kh8 55.Qg7) 52...Ke7 (52...Kf7 53.Bd5 Ke7 54.Qc7 Ke8 55.h6 Kf8 56.Qd8) 53.Ke5 Kf7 (53...Kd8 54.Qb7 Ke8 55.Ke6 Kf8 56.Qf7) 54.Bd5 (54.Qf6 Kg8 55.h6 Kh7 56.Qg7) 54...Kg7 (54...Ke7 55.Qb7 Ke8 56.Ke6 Kf8 57.Qf7) 55.Qg6 Kf8 (55...Kh8 56.Qg8) 56.Qh7 (56.Qf7) 56...Ke8 57.Ke6 Kd8 (57...Kf8 58.Qf7) 58.Qd7 1-0. zembelek (2100) - mahyar_90 (2050), Rated Blitz game, lichess.org, 2014.

8.cd5 Nd5 9.0-0 0-0 =.

9.d4 dc4 10.Bc4 a6 11.a4 =.

9.d4 c6 10.cd5 cb5 11.de6+/– fe6 12.Bb5 a6 13.Bc4 Bd5 14.Qb3 b5 15.Bd5 ed5 16.Nc3 Nb6 17.e4 b4 18.Nd5 Nfd5 19.ed5 Nd5 20.Ne5 Kh8 21.a3 a5 22.Nc6 Qd6 23.Ne7 Ne7 24.ab4 ab4 25.Ra8 Ra8 26.h3 h6 27.Re1 Nc6 28.d5+/– Na5 29.Qf3 (29.Qf3 Qg6 30.d6+–) 1–0. carocan (1710) – mister1962 (1750), kurnik, 2011.

9.d4 Ne4 10.Nc3 f5 (10...Nc3 11.Bc3 dc4 12.Bc4=) 11.cd5 ed5 12.Ne5 (12.Qc2 Rc8+=) 12...Bg5 (12...Ne5 13.de5 a6 14.a4=) 13.f4 (13.Qc2 Ne5 14.de5 a6+=) 13...Bh6 (13...Ne5!? 14.Ne4 fe4 15.de5 Be7=) 14.Ne4+/– fe4 15.Ng4 Rf7 (15...a6 16.Ba3 Rf7 17.Nh6 gh6 18.Bb4+/–) 16.Nh6 gh6 17.Qe1 (17.Bh5 Rg7+/–) 17...Rg7 (17...a6 18.Bh5 Rg7 19.a4+/–) 18.Rc1 Nf8 (18...a6 19.a4+/–) 19.g4 (19.f5 Qg5 20.Qf2 a6+/–) 19...Qf6 (19...a6 20.a4+/–) 20.Kh1 (20.Qg3 a6 21.a4 ab5 22.ab5 Ra2+/–) 20...Rc8 (20...a6 21.a4+/–) 21.Rc2 (21.Bc3 c6 22.a4 Rgc7+/–) 21...Qe7 (21...c6 22.bc6 Rc6 23.Rc6 Bc6 24.Qg3+/–) 22.Qg3 Kh8 23.Rfc1 Ne6 24.h4 Qd6 25.Kh2 Nd8 26.Rc3 Qd7 27.Ba3 Ba8 28.Bf8 Rf7 29.Bh6 c5 30.bc6 Rc6 31.Bb5 Rc3 32.Bd7 Rc1 33.f5 Rd7?? 34.Qe5 (34…Kg8 35.Qe8#) 1–0. Rohrbacher,W – Muensch, Hockenheim BAD, 1994.

9.d4 Ne4 10.Nbd2 f5 11.a4 a5 12.Qb3 h6 13.Rfc1 g5 14.Ba3?? Ba3–/+ 15.Qa3 g4 16.Ne5 Nd2–+ 17.Ng6 Rf7 18.cd5 Bd5 19.Qc3? Ne4 20.Qc7 Qc7 21.Rc7 Kg7 22.Nf4 Ndf6 23.Rac1 Raf8 24.f3 gf3 25.gf3 Ng5 26.Kf2 Bb3 27.Bd1? Bd1–+ 28.Rf7 Rf7 29.Rd1 Rc7 30.h4? Rc2 31.Kg3 Nge4! 32.fe4 Ne4 33.Kf3 Rf2 0–1. carocan (1750) – zakapior51 (1745), kurnik, 2011.

9.cd5 Nd5 10.e4 Nf4 =+.

7.Ba3 =.

7.c4=.

7.c4 cd4 8.ed4 Bb4 9.Nfd2 (9.Bc3 Qd6=+) 9...Ne4 10.a3 (10.Qb3 Qe7 11.Ba3–/+) 10...Qf6 (better 10...Ba5!? 11.Qg4 Qf6–/+) 11.Qf3= Bd2 (11...Bd6!?=) 12.Nd2+= Nd2 13.Qf6 gf6 14.Kd2 Nd7 15.Rc1 Rc8 16.Rg1 e5 17.Bd3 h6? (better 17...dc4 18.Rc4 Rc4 19.Bc4 Ke7+=) 18.cd5+– Bd5?? (better 18...Ke7 19.Rc6! ed4 20.Re1 Ne5 21.Rc8 Rc8+–) 19.Rc8 (19.Rc8 Ke7 20.Rh8+–) 1–0. DEFFM – GuestRBQV, freechess.org, 2019.

7.c4 Bd6 8.dc5 bc5 9.cd5 ed5 =.

7.c4 Bd6 8.Be2 0-0 9.0-0 =.

7.c4 Bd6 8.Be2 Nbd7 9.0-0 (9.cd5 ed5 10.dc5 bc5=) 9...Qc7 (9...0-0 10.cd5 ed5 11.dc5 bc5 12.Nc3=) 10.Nbd2 (10.cd5 ed5 11.Nc3 0-0=) 10...Rg8 (10...cd4!? 11.ed4 0-0=) 11.cd5+= Bd5 12.Nc4 Bc4 (12...Be7 13.dc5 Nc5 14.Be5+=) 13.Bc4 g5 (13...cd4!? 14.Qd4 Rd8+=) 14.dc5+/– Bc5 15.Rc1 g4 16.Nd4 h5 (16...Ne5 17.Be2+/–) 17.Qb3 (17.Bd3 Ne5+–) 17...Ne4 (better is 17...Bd4!? 18.Bd4 Nc5+/–) 18.Be6+– Ndf6 19.Bd5 Nd2 20.Bc6 (20.Ba8?! Nb3 21.Bc6 Ke7 22.Nb3 Bd6+/–) 20...Nd7 (20...Qc6 21.bc6 (21.Nc6?! Nb3 22.ab3 Ne4+/–) 21...Nb3 22.ab3 Bd4 23.Bd4+–) 21.Qd5 (better is 21.Bd7 Qd7 22.Qd3+–) 21...Nf1?? (21...0-0-0 22.Rfd1 Ne5 23.Bb7 Qb7 24.Qe5 Rd5+–) 22.Bd7 Qd7 23.Qa8 Qd8 24.Qd8 Kd8 25.Kf1 Kd7 26.Ke2 Re8 27.Nb3 Bd6 28.g3 f5 29.Kd3 Re5 30.Be5 (30...Be5 31.Nd4+–) 1–0. Fichte,Wolfgang (1790) – Henneberg,Olga, Bad Zwesten op 6th, 2002.

7.c4 Nbd7 8.Ba3 Rc8 9.dc5 Nc5 10.Nbd2 =+.

7.c4 Nbd7 8.Ba3 Be7 9.Nbd2 (9.cd5 Nd5 10.e4 N5f6=+) 9...0-0 10.Bd3 (10.Bb2 a6=+) 10...cd4 (10...dc4 11.Nc4 a6 12.ba6 Ra6 13.Qb3–/+) 11.Be7 Qe7 12.Nd4 (12.ed4 e5 13.de5 dc4 14.Nc4 Bf3 15.gf3 Ne5–/+) 12...Nc5 13.Be2 (13.N2f3–/+) 13...Nfe4 (13...dc4 14.Bc4 Bg2 15.Rg1–/+) 14.Qc2 (14.cd5!? Bd5 15.Ne4 Be4 16.f3=+) 14...Nd2–/+ 15.Qd2 dc4 16.0-0 (16.Bc4 Rfd8 17.Qc3 Rac8–+) 16...Qg5 (16...e5 17.Nc6 Bc6 18.bc6–/+) 17.Nf3 Qf6 (17...Qg6 18.Rfd1–/+) 18.Bc4 (18.Rac1 Bd5–/+) 18...Bf3 19.gf3 Qf3 20.Qe2 Qe2 (20...Qf5 21.Rfd1–/+) 21.Be2 Rfd8 22.Bf3 Rac8 23.Rfd1 Kf8 24.Kf1 Ke7 25.Ke1 Nd3 26.Kf1 Ne5 27.Be2 Rd1 28.Bd1 Rc5 29.a4 Nd3 30.Ke2 Nb2 31.Ra2 Nd1 32.Kd1 Rc4 33.f3 e5 34.Kd2 f5 35.Kd3 Rc5 36.Rc2 Rc2–+ 37.Kc2 Kd6 38.Kd3 Kc5 39.Kc3 g5 (40.e4 fe4 41.fe4 h5–+) 0–1. Old Sisyphus – tossubanaani, ChessWorld.net, 2005.

7.Be2 cd4 8.Bd4 Bd6 9.0-0 0-0 10.Nbd2 Nbd7 11.c4 a6 (11...Rc8 12.Rc1=+) 12.a4 (12.cd5 ed5 13.ba6 Ba6 14.Ba6 Ra6=) 12...dc4 (better 12...e5!? 13.Bb2 ab5 14.cd5 A) worse 14...Nd5 15.Bb5 Bb4 16.Rc1+= (16.Be5? Ne5 17.Ne5 Nc3-+); B) 14...ba4 15.Ra4 Bd5=+) 13.Nc4+= Be7 14.Nfe5 (14.a5 ab5 15.Nb6 Nb6 16.ab6 Ra1 17.Qa1 b4+/-) 14...ab5+= 15.ab5 Ra1 (15...Qc7 16.Qd2+=) 16.Qa1+/- Ne5 17.Be5 Qd5 18.Nb6?? (better 18.f3 Qb5 19.Rb1+=) 18…Qg2 0-1. Bushwacker (1855) – NN (Aalekhine) (1685), ChessWorld.net, 2008.

7.Be2 Bd6 =.

7.Nbd2 0-0 8.c4 a6 9.a4 =+.

7.Nbd2 0-0 8.c4 Ne4 9.a3 (9.Qc2 c5=) 9...f5 (9...a6 10.Ne4 de4 11.Ne5=) 10.Bd3 Nd7 11.a4 a5 12.0-0 Qf6 13.Rb1 Qh6 14.Ne5 Ne5 15.de5 Bc5 (15...Bb4 16.Ne4 fe4 17.Be2=) 16.Ne4 (16.cd5 ed5 17.Nb3 Be7=) 16...fe4 17.Be2 Rf2 18.Bd4 Bd4 (18...Rf1 19.Bf1 Rf8 20.Qc1–/+) 19.ed4 Rf1 20.Bf1 Qe3 21.Kh1 Rf8 22.Qg4 (22.Be2 Rf2 23.Bg4 Qh6–/+) 22...Rf5 (22...Qd4 23.Qe6 Kh8 24.cd5 Bd5 25.Qe7–/+) 23.Qh4 Qf2 24.Qf2 Rf2 25.g3 dc4 26.Bc4 Bd5 27.Bd5 ed5 28.Rc1 Rf7 29.Kg2=+ Re7 30.Rc6 Kf7 31.h4 Ke8 32.g4 Kd7 33.h5 Re6–/+ 34.Rc1 c6 35.bc6 Rc6 36.Rf1 Ke7 37.g5 Rc4 38.g6 hg6 39.hg6 Rd4 40.Rf7 Ke6 41.Rg7 e3 42.Kf3 e2 43.Ke2–/+ Rg4 44.Rb7 Ke5 45.Rb6 d4 46.Kf3+= Rg1 47.Rb5+/– Kf6 48.Ra5 (48...Kg6 49.Rd5+/–) 1–0. willow27 – kingscrusher, ChessWorld.net, 2005.

7.Nbd2 0-0 8.Bd3 a6 =+.

7.Nbd2 0-0 8.Be2 c5 9.bc6 (9.dc5 bc5 10.0-0 a6=) 9...Nc6=+ 10.0-0 Qc7 11.c4 Ng4 12.h3 Nh2 13.cd5 Nf1 14.dc6 Nd2 15.cb7 Nf3 16.Bf3 Rad8 17.Qa4 Qb8 18.Rc1 Rfe8 19.Bc6 Re7 20.e4 Bh2 21.Kh1 Bf4 22.Rc4 Rc7 23.e5 Bg5 24.Ba3 Be7 25.Be7 Re7 26.Qc2 Rc7 27.f4 (better is 27.Qe4!?=) 27...b5!–/+ (27...Rb7?! 28.Bb7 Qb7 29.f5=) 28.Rc5 (28.Bb5 Rb7) 28...Rd4 29.Rb5 Rf4 30.Qc5 h6 31.Qd6 Kh7 32.g3 Rf1? (32...Rf2 33.Kg1 Ra2 34.Be4 g6–/+) 33.Kg2+– Re1 34.Kf2 Rc1 35.Qc7= Rc2 36.Ke3 Qc7 37.Be4 g6 38.Bc2 Qc2? 39.Rb3 Qc5= 40.Kd3 Qd5–+ 41.Kc2 ½–½. Garbacki,Mieczyslaw – Buczinski,Henryk, corr Krakow, 1994.

7.Be2 0-0 8.0-0 a6 9.a4 =.

7.Be2 0-0 8.0-0 Ne4 9.c4 (9.Nbd2 a6=) 9...dc4 10.Bc4 Qf6 (10...a6 11.Qc2=+) 11.Nbd2 (11.Bd3 Nc5 12.dc5 Qb2 13.cd6 Qa1+/–) 11...Qg6 (11...a6 12.d5 Qg6 13.Ne4 Qe4 14.Nd2=+) 12.Bd3 f5 (12...Nf2 13.Bg6 Nd1 14.Bf7 (< 14.Rad1 fg6 15.Nc4 a6=+) 14...Rf7 15.Rfd1=) 13.Nc4 Ng5 (13...a6 14.Nce5 Qh6 15.a4=) 14.Ng5 Qg5 15.g3 (15.f3=) 15...f4 (15...a6 16.a4=) 16.Nd6 (16.Qc2 Qd5 17.e4 Qh5+=) 16...cd6+= 17.ef4 Qh6 (17...Rf4!? 18.d5 Rh4+= (18...Bd5?? 19.Bc1+–)) 18.Qg4 Nd7 19.Bc1 Rae8 20.Qg5 Qh3 21.f3 Rf6 22.Qg4+/– Qg4 23.fg4 e5? 24.g5 Rfe6 25.f5 R6e7 26.f6 gf6+/– 27.gf6 Rf7 28.Bg5 1–0. gtate (1930) – ramesis (2060), net–chess.com, 2005.

7.Be2 a6 8.a4 =.

7.a4 c5 8.dc5 Bc5 9.Nbd2 Qc7 10.Nb3 (10.Rc1 0-0=) 10...Bb4=+ 11.Nbd2 0-0 12.Bd3 Bc3 (12...e5 13.Bf5=+) 13.Bc3 Qc3 14.0-0 Nc5 (14...e5 15.Bf5=+) 15.Be2 (15.Nb3 e5 16.Qd2 Qd2 17.Nfd2 Rfc8=) 15...Rfd8 (15...Rfc8 16.Nd4=+) 16.Qc1 Rac8 (better is 16...Nce4=+) 17.Nb1?? (better is 17.a5=) 17...Qa1–+ 18.Nd4 (18.Nbd2 Qc3–+) 18…Na4 0–1. tanto (1715) – prawnking (1715), net–chess.com, 2002.

7.c4 c5 8.Be2 Rc8 9.0-0 (9.cd5 Nd5 10.0-0 Be7=) 9...dc4=+ 10.Bc4 cd4 11.Qd4 Bf3 12.gf3 Bc5 13.Qd3 Ne5?? (better 13...Qc7 14.Rc1 0-0=+) 14.Qd8 Rd8 15.Be5 Be7 16.Nc3 (16.Rc1 Nd7 17.f4 Ne5 18.fe5 h5+-) 16...0-0?? (better 16...Rc8 17.Bd3 Nd7+/-) 17.Rfd1+- Rd1 18.Rd1 Rd8 19.Rd8 Bd8 20.a4 Nd7 21.Ne4 (better 21.Bd6+-) 21...Ne5= 22.Bb3 (22.Be2 Nd7=) 22...Be7 (22...Nf3!? 23.Kg2 Nh4 24.Kf1 Be7=+) 23.f4= Nd3 24.Bc2 Nb2 25.Nc3 Bb4 26.Ne4 Nc4 27.Kg2 f5 (better 27...h6=) 28.Ng5+/- e5?? (28...g6 29.Ne6 Na5 30.Kf3+/-) 29.fe5 (better 29.Bb3 ef4 30.Bc4 Kh8 31.Nf7 Kg8 32.Nd6 Kf8 33.Nf5 fe3 34.fe3+-) 29...Ne5 30.Bf5 h6 31.Ne6 g6 (31...Kf7 32.Nd4 Kf6 33.f4+-) 32.Bc2 Kf7 33.Nd8 Ke7 34.Nc6 Nc6 35.bc6 Kd6 36.Bg6 Kc6 37.Bd3 Kb7 38.f4 a6 (38...Kc6 39.e4+-) 39.f5 (39.e4 a5+-) 39...Bd6 40.e4 Be5 41.h4 a5 42.Kf3 Kc6 43.Kg4 Kd7 (43...Kc5 44.Kh5 Kd4 45.Bb1+-) 44.Kh5 Bg7 (44...Bg3+-) 45.Kg6 Bf8 (45...Bd4 46.Kh6 Ke7 47.Kg6+-) 46.e5 Ke7 47.Bc4 1-0. bambambambambambam (1660) - servaordinem (1710), lichess.org, 2016.

7.Nbd2 c5 8.bc6 Bc6 9.c4 dc4 10.Bc4 a6 (10...Be7 11.0-0=) 11.0-0 b5 12.Bb3 Bb4 13.a3 Bd2 14.Nd2 Rc8 15.Qe2 b4? (better 15...Bd5!?=) 16.ab4 (16.Qa6 ba3 17.Ba3 Nb8+-) 16...Bb5+/- 17.Bc4 Qb6 18.Bb5 (18.Rfc1 0-0+/-) 18...ab5 (18...Qb5 19.Qb5 ab5 20.Rfc1+/-) 19.Ra5+- 0-0 (better 19...Rc2 20.Rc1 Rb2 21.Ra8 Ke7 22.Rh8 Ne4+-) 20.Qb5?? (20.Rb5 Qd6+-) 20...Qd6? (better 20...Qb5 21.Rb5 Rc2=+) 21.Qa4 (21.Nc4 Qe7+-) 21...Nb6 22.Qa3 (22.Qb3 Ng4 23.Nf3 Nc4+-) 22...Nfd5 (22...Rc2 23.Bc1 Nbd7 24.Qb3+-) 23.Ne4 (23.b5 Qd8 24.Qd3 Nb4+-) 23...Qb4 24.Qb4 Nb4 25.Ba3 Nc6? (better 25...N6d5+-) 26.Ra6 (26.Bf8?! Na5 27.Bc5 Nbc4+/-) 26...Nc4 (26...Nd7 27.Bf8 Kf8 28.Rc1+-) 27.Bf8 Kf8 28.Nc5 (better 28.Rc1 Ne7 29.Nc5 Nd2+-) 28...Nb4 (28...Nb8 29.Ra2 Ke8 30.Rc1+-) 29.Ra7 (better 29.Ra4 Nd3 30.Nd3 Nd6+-) 29...Nd2 (29...Nc6 30.Rd7+-) 30.Rd1 Nc4 31.g3 (31.Rc1 Nd6+-) 31...g5 (31...Nc6 32.Rb7+-) 32.Kg2 (32.Rc1 Nd6+-) 32...g4 (32...Nc6 33.Rd7+-) 33.h3 h5 (33...Nc6 34.Rd7 gh3 35.Kh3+-) 34.hg4 hg4 (34...Nc6 35.Rb7 hg4 36.Rh1+-) 35.Rc1 Nc6 36.Ra4 (36.Rc4?! Na7 37.f3 gf3 38.Kf3 Ke7+-) 36...Nd2 (36...Nb6 37.Ra6 Nd5 38.Nd7 Ke8 39.Ne5+- (worse 39.Rcc6 Rc6 40.Nf6 Nf6 41.Rc6 Kd7+-; worse 39.Rac6 Rc6 40.Nf6 Nf6 41.Rc6 Ne4+-)) 37.Rc2 (better 37.Nd7 Ke7 38.Nb6+-) 37...Ne4 (37...Nf3 38.Nd3 Ke7+-) 38.Ne4 f5 (38...Ke7 39.Ra6 f5 40.Ng5+-) 39.Nd6 Rc7 40.Rac4 1-0. zembelek (2085) - guantebla (1920), Rated Blitz game, lichess.org, 2014.

7.Nbd2 Be7 8.c4 dc4 9.Bc4 0-0 10.0-0 c5 11.Rc1 cd4 12.Bd4 Rc8 13.Qe2 Nd5 14.e4 N5f6 15.Bf6 Bf6 16.e5 Be7 17.Bd3 Rc5 18.Ne4 Be4 19.Qe4 g6 20.a4 Qc7 21.Rfe1 Rc1 22.h3 Re1 23.Qe1 Nc5 24.Qc1 Rc8 25.Qe3 Nd3 26.Qd3 Rd8 27.Qe4 Bc5 28.Ng5 Qd7 29.Qh4 h5 30.Qf4 Rf8 31.g4 Qd4 32.Qg3 Qd1 33.Kg2 Rd8 34.gh5 Qh5 35.Qf4 Rf8 36.Qg3 Be7 37.Ne4 Bh4 38.Qe3 Be7 39.Nf6 Bf6 40.ef6 Kh7 41.Qf4 Qf5 42.Qh4 Qh5 43.Qh5 gh5 44.Kg3 Kg6 45.Kf4 Kf6 46.h4 Rg8 47.Kf3 Kf5 0–1. TriAngel – frightknight, ICC 1999.

7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.Nc3 Bb4 11.0-0 Bc3 (11...0-0!?=) 12.Bc3+= cb5 13.Bb4 Qd7 14.Ne5 Qc7 15.Qa1 Bc6 (15...Qc2?? 16.Bb5 Nfd7 17.Nd7+–) 16.Nc6 Qc6 17.Rb1 Nfd7?? (better is 17...h6+/–) 18.Qg7+– Rf8 19.Ra1 (worse is 19.Bf8 Qc2 20.Bd6 Qb1 21.Bf1 Nc6 22.Qg8 Nf8 23.Qf8 Kd7+–) 19...Nc5 20.d4 Nbd7 21.Ra7 h5 (21...h6 22.Qh6 Rg8+–) 22.Bh5 (22.Bh5 Ke7 23.Rd7 Kd7 24.Qf8+–; worse is 22.dc5 bc5 23.Ba5 Ke7+–) 1–0. Janek – Nick, internet, 2016.

7.a4 ab5 8.ab5 Ra1 9.Ba1 Be7 10.0-0 0-0 11.c4 dc4 12.Bc4 Qe8 13.Qb3 (13.Qe2 Nbd7=) 13...Nbd7 14.d4 Bf3 15.gf3 e5 (better 15...Qa8!? 16.Nd2 c5=) 16.de5+/- Ne5?? (better 16...Nc5 17.Qb2 Nh5+/-) 17.Be5+- Bc5 (17...c6 18.Rc1 Nd7 19.Bc7+-) 18.f4 (18.Bf6!? gf6 19.Kh1 Kh8+-) 18...Ne4 (18...Qe7 19.Be2+-) 19.Bd5 Ng5 (19...Nd6 20.Bc6 Qc8 21.Kh1+-) 20.h4 Ne6 21.Kg2 (21.f5!? Nd8 22.Qb2 Qd7+-) 21...Qe7 22.Rh1 Kh8 (22...Bd6 23.Qc3 Be5 24.Qe5+-) 23.h5 (23.f5 Nd8 24.Qb2 f6+-) 23...f6 (23...h6 24.Rg1 Bd6 25.Bd6 cd6 26.Nd2+-) 24.Be6 (better 24.Bb2!? Nd8+-) 24...fe5 25.f5 (25.fe5?! Qg5 26.Kf1 Qg3+=) 25...Qg5 26.Kf3 (26.Kf1 Qh6+-) 26...h6? (better 26...e4 27.Ke2 Qg4 28.Ke1 Rd8+-) 27.Nd2 Rd8 (27...Bd6 28.Qd5+-) 28.Ne4 Qe7 29.Rg1 (29.Nc5 Qc5 30.Rd1 Rf8+-) 29...Rf8 (29...Qh4 30.Nc5 bc5 31.Qc2+-) 30.Ke2 Bb4 (30...Qh4 31.Nc5 Qh5 32.Ke1 Qh2+-) 31.Rg6 Kh7 (31...Qh4 32.Qb4 Qh5 33.f3 Re8+-) 32.f6 gf6 33.Nf6 (33.Bg8 Kh8 34.Rh6 Qh7 35.Rh7) 33...Rf6+- 34.Bg8 (better 34.Qc2 e4 35.Qe4 Qe6 36.Qe6 (36.Qb4?! Qa2 37.Kd3 Rf2 38.Qe7 Rf7=) 36...Re6 37.Re6+-) 34...Kh8+/- 35.Rf6 Qf6 36.Bf7 (36.Qb4 Kg8 37.Qg4 Kh7 38.Qd7 Qg7 39.Qf5 Kg8 40.Qe6 Qf7 41.Qe5 c5+-) 36...Bd6 37.Bg6 Kg7 38.Qd5 e4 (38...Bb4!?+/-) 39.Qe4 Qb2 40.Kf3 Qb5 41.Kg2 (better 41.Qe6 Qc6 42.Be4+/-) 41...Qg5= 42.Kh3 Qe5 (42...b5 43.f4 Qe7 44.Kg4=) 43.Qc2 (43.Qe5 Be5 44.Be8 Bc3+=) 43...Kf6 44.Kg2 b5 45.Kf1 b4 46.Ke2 Kg5?? (better 46...Qb5 47.Qd3 Qd3 48.Kd3 Bh2=) 47.f4 Qf4 (47...Kg4 48.fe5 Kg3 49.Qf5 Be5 50.Qe5 Kg2 51.Be4 Kh3 52.Kf3 Kh4 53.Qf4 Kh5 54.Qg4) 48.ef4 Bf4 (48...Kg4 49.Bf5 Kf4 50.Be6 Kg3 51.Qg6 Kh2 52.Kf3 Bg3 53.Qg3 Kh1 54.Qg2) 49.Qf5 (49.Qf5 Kh4 50.Kf3 c5 51.Qg4) 1-0. zembelek (2080) - Romoda (2190), Rated Blitz game, lichess.org, 2014.

7.a4 Bd6 8.0-0 0-0 9.Nc3 e5 =+.

7.a4 Be7 8.0-0 0-0 9.d3 c5 10.Nbd2 ab5 11.ab5 Ra1 12.Qa1 Nbd7 13.Qa7 Qa8 (13...Qc7!? 14.Ra1 Ra8 15.Qa8 Ba8 16.Ra8 Nb8=+) 14.Ra1+= Qc8 15.Qa4 Qc7 16.Qh4 Ra8 17.Ra8 Ba8 18.Qa4 Bb7 19.h3 h6 (19...Bd6 20.Qh4=) 20.c4 Ne8 21.Qa1 Qc8 22.Ne5 Ne5 23.Be5 Bd6 24.Bb2 Bb8 25.Bf3 Qc7 26.g3 Qe7 27.h4 Qd7 28.Be5 Bd6 29.Bg2 f6 (29...Qc7 30.Bc3=) 30.Bc3 (30.Bd6 Nd6 31.Qa7 Nc8=) 30...Bb8 31.Qd1 Qf7 32.Qg4 Nd6 33.Bh3 f5 34.Qf4 Qe7 35.h5 dc4 36.Nc4 Bc7 37.Be5 Nb5 38.Bc7 Nc7 39.Nb6 Qd8 40.Qc4 Ba6 41.Qc5 Bd3 42.Bf1 Bf1 43.Kf1+= Ne8 44.Qc6 Kf7 45.Nd7 Qc7 46.Qc7 Nc7 47.Ne5 Ke7 48.Ke2 Nd5=+ 49.Kd3 Nf6 50.Kc4 Nh5 51.Kc5 g5 52.Nc6 Kf6 53.Kd6 Ng7 54.f4 Nh5–+ 55.Nd8? Ng3 56.Ne6 g4 57.Kd5 h5 58.Nc5 h4 59.Nd3 h3 60.Nf2 Ne4 (61.Nh1 h2–+) 0–1. Abromeit,Guenter – Nittschalk,Karl, DESC, 1999.

7.0-0 h6 8.c4 Nbd7 9.Nc3 (9.cd5 Nd5 10.d4 Rc8+=) 9...Rg8 (9...dc4!? 10.Qa4 a6=) 10.d4 Qc7 11.cd5 ed5 12.Rc1 0-0-0 (12...g5!?+=) 13.dc5 Nc5 14.Na4 Qd6 (14...Bd6 15.Qc2+–) 15.Be5 (15.Nc5 bc5 16.Qa4 Rd7+–) 15...Qe6 16.Nc5 bc5 17.Qa4 Qb6 18.Nd4 Kd7 (18...Re8!? 19.Bf6 gf6+–) 19.Nc6! Bc6 (19...Re8 20.Rfd1 Re5 21.Ne5 Ke8 22.Nc6+–) 20.bc6 Qc6 (20...Ke6 21.Rb1 Ke5 22.Rb6 ab6 23.Qf4 Ke6 24.Bg4 Ng4+–) 21.Bb5 (21.Qa7?! Ke6 22.Bf6 Ra8+=) 21...Qb5 22.Qb5 Ke6 23.f4 (23.Bf6 gf6 24.Rfd1 Bd6+–) 23...Nd7 (23...c4+–) 24.Qc6 Ke7 25.Qd5 Nb6 26.Qc5 Ke8 27.Qb5 Ke7 28.Rc7 Rd7 29.Rfc1 f6 30.Bb2 (30.Bd6 Kf7 31.f5 g6 32.Rd7 Ke8 33.Re7 Kd8 34.Re8) 30...g5 31.Rd7 Nd7 32.Rc7 (32.Rc7 Kf7 33.Qd7 Kg6 34.g4 Be7 35.Qe7 gf4 36.Qf6) 1–0. Hoelldorfer,August – Lang,Ludwig, Afro op Augsburg, 1998.

7.c4 Be7 8.0-0 0-0 9.d4 Nbd7 10.Nbd2 Ne4 (---> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 Be7 7.Be2 0-0 8.0-0 d5 9.d4 Nbd7 10.Nbd2 Ne4).

7.bc6 Nc6 8.c4 dc4=+ 9.Bc4 Be7 10.0-0 0-0 11.d4 Rc8 12.Nbd2 Rc7 13.Qe2 Qa8 14.Rac1 Rfc8 15.e4 Na5 16.Bd3 Rc1 (16...Nc6 17.d5 ed5 18.ed5=) 17.Rc1 Rc1 18.Bc1 Nc6 19.Bb2 Nb4 20.Bb1 Qe8 (20...Qd8 21.a3 Ba6 22.Qe3+=) 21.a3+= Na6 22.Qd3 g6 (22...Nh5 23.Ne5+=) 23.Ne5 Nc7 24.Qc4 Bd8 25.a4 b5 26.Qc5 a6 27.Qb6 Ba8 28.ab5 (28.Qb8!?+–) 28...Qb5= 29.Qd6 Qe8 (better 29...Qb2 30.Qd8 Nce8 31.Qa8 Qd2 32.Qa6 Ne4 33.Be4 Qe1 34.Qf1 Qe4=) 30.Ba3+– Nb5 31.Qa6 Na3 32.Qa8 Nb1 33.Nb1 Bb6 34.Qe8 Ne8 35.Nc6 Nd6 36.Nc3 Kf8 37.Kf1 Ke8 38.Ke2 Kd7 39.Ne5 Ke7 40.Kd3 f6 41.Nc4 Nc4 42.Kc4 Bc7 43.h3 Kd7 44.Nb5 Bb6 45.f3 Kc6 (45...h5 46.f4+–) 46.Nc3 Kd6 47.Na4 Ba7 48.Nc5 e5 49.Nb7 (49.Nb3 ed4 50.Nd4 Bb8+–) 49...Kc7 50.de5 Kb7 (50...fe5 51.Nc5 Kd6 52.Nd3+–) 51.ef6 Kc6 52.e5 Bc5 53.f4 Ba3 54.Kd4 Bb2 55.Ke4 Ba3 (55...Kd7 56.f5+–) 56.g4 Kd7 57.Kd5 Bc1 58.e6 Ke8 59.Ke4 Bb2 (59...Kd8 60.g5 Kc7 61.f7+–) 60.g5 Bc1 (60...Ba3+–) 61.h4 Bd2 62.Kf3 Bc1 63.Kg4 Kf8 64.f5 Bb2 (64...Ba3 65.fg6 hg6 66.h5 gh5 67.Kf5+–) 65.fg6 hg6 66.h5 gh5 67.Kh5 1–0. Schulz,Karsten (2345) – Berthold,Andreas (2175), Muehlhausen op, 2003. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.b5 b6 5.e3 Bb7 6.Be2 c5)

7.0-0 a6 =.

7.0-0 c6 8.a4 Qc7 9.c4 dc4 10.Qc2 (10.Bc4 cb5 11.Bb5 Nbd7=) 10...Nbd7 (10...cb5 11.ab5 a6 12.Qc4 Qc4 13.Bc4 Bf3 14.gf3=+) 11.bc6 (11.Qc4 a6=) 11...Bc6 (11...Qc6 12.Na3=+) 12.Qc4 Rc8 13.Nc3 Bf3 14.Qc7 Rc7 15.Bf3 0-0?? (better 15...Ne5=) 16.Nb5+– (16.Nb5 Ne8 17.Nc7 Nc7 18.Rfc1+–) 1–0. DEFFM – GuestNDTG, freechess.org, 2017.

7.0-0 Nbd7 8.d4 0-0 9.c4 dc4 10.Bc4 Qe7 11.a4 a6 12.Nc3 e5 (12...ab5 13.ab5 Ra1 14.Ba1=) 13.Qe2 a5 14.Rad1 Rae8 15.g3 (15.Rfe1 Ba8+=) 15...Bf3= 16.Qf3 ed4 17.ed4 (< 17.Rd4 Be5 18.Rh4 g5–/+) 17...Bb4 18.Na2 Bd6 19.Nc1 Ne4 20.Bd5 Nef6 21.Bc6 Qd8 22.Nd3 Re7 23.Ne5 Qc8 24.Nc4 Bb4 25.Ne3 g6 (25...Rd8 26.Rc1+/–) 26.Qf4 (26.d5 Ne8+/–) 26...Bd6 27.Qh4 Ne8 (27...Qd8 28.Rfe1+/–) 28.Ng4 f6 29.Rde1 h5 (29...Qd8 30.d5+/–) 30.Re7+– Be7 31.Ne3 Nb8 32.Qe4 Nc6 33.Qg6 Ng7 34.bc6 Qe8 35.Qe4 Bd6 36.Qd5 Qf7 37.h4 Re8 38.Kg2 Qd5 39.Nd5 Re2 40.Rb1 Kf7 41.Ne3 Ne6 42.Kf3 Rb2 43.Rb2 Nd4 44.Ke4 Nc6 45.Rb5 Ne5 46.f4+– Nd7 47.Rh5 Nc5 48.Kd5 Na4+/– 49.Rh7 Kg6? 50.Rh8 Nc3+/– 51.Ke6 Ne4 52.Rg8 Kh7 53.Kf7 Bc5 54.Nf5 Nd6 55.Nd6 Bd6 56.f5 (56...Bg3 57.Rg3+–) 1–0. Sviridov,Valentin (2200) – Fichtl,Jiri (2285), Karvina 5th, 1982.

7.0-0 Nbd7 8.d4 0-0 9.h3 c5 (9...a6 10.Ba3=+) 10.c4 (10.bc6 Bc6 11.Ba3 Ba3 12.Na3 Ne4=) 10...Rc8 11.Nbd2 dc4 (11...a5 12.ba6 Ba6 13.Rc1=+) 12.Bc4 (12.Nc4 Bb8=) 12...Bb8 (12...Qe7 13.Rc1=) 13.Rc1 Qe7 14.Be2 (14.Qe2 Rfd8=) 14...Rfd8 15.Qb3 (15.Qa4 Bd5=) 15...Ne4 (15...cd4 16.Bd4 Nc5 17.Qa3=+) 16.Ne4= Be4 17.Nd2 Qd6 (17...Bd5 18.Bc4=) 18.f4 Bb7 19.Bf3 Bf3 20.Nf3 cd4 21.Bd4 Nc5 22.Bc5 Rc5 23.Qb2 (better 23.Nd4!?=) 23...Qd3–/+ 24.Kf2 (24.Qb3 Qb5 (24...Rb5?? 25.Qd3 Rbd5 26.Qa6+–) 25.Qb5 Rb5–/+) 24...Qb5 (24...Rb5 25.Qc2 Qd6 26.Rfd1–/+) 25.Qb5 Rb5 26.Rc2 (26.Rfd1 Rb2 27.Kf1 Re8–/+) 26...g6 (26...Rc5 27.Rfc1 Bd6 28.g4–/+) 27.Rfc1=+ Rbd5 28.Rc8 (28.e4 R5d7 29.e5 f6=+) 28...Kg7 (28...R5d7 29.g4–/+) 29.Rd8 (29.e4 R5d7 30.e5 f6=+) 29...Rd8–/+ 30.Rc2 (30.g3 h6–/+) 30...Bd6 31.Nd4 Bc5 32.Nb3 Rc8 33.Nc5 Rc5 34.Rc5 (better 34.Rd2!?–/+) 34...bc5–+ 35.Ke2 Kf6 36.Kd3 Ke7 37.Kc4 Kd6 38.g4 (38.e4 f6–+) 38...f6 39.e4 g5 40.f5 (40.e5 fe5 41.fg5 e4–/+) 40...e5 (40...ef5!? 41.ef5 a6 42.Kb3–+) 41.Kb5 a6! 42.Kc4 (42.Ka6 c4 Passed pawn) 42...Kc6 43.a4 Kd6 44.Kd3 Kc7 45.Kc4 Kb6 46.Kb3 (46.Kd5 h6 47.Kc4 Kc6–+) 46...Ka5 47.Kc4 (47.h4 gh4 48.g5–+) 47...Ka4 48.Kc5 Kb3 (better 48...a5 49.Kd5 Kb5–+) 49.Kd5 a5 50.Ke6? (50.h4 h6 51.hg5 hg5 52.Ke6–+) 50...a4 51.Kf6 (51.h4 a3 (worse 51...gh4 52.g5 fg5 53.f6–+) 52.hg5 a2 53.gf6 a1Q–+) 51...a3 52.Kg5 (52.Kg7 a2 53.f6 a1Q–+) 52...a2 53.f6 (53.Kh6 a1Q 54.Kh7 Qh1–+) 53...a1Q 54.f7 (54.Kf5–+) 54...Qf1 55.Kh6 Qf7 56.g5 (56.Kg5 Qf4 57.Kh5 Qe3 58.h4 Qb6 59.g5 Qe6 60.g6 Qg6) 56…Qg6 0–1. Ruhle,Ernst Albrecht (1645) – Maeder,Jean Claude (1985), Liechtenstein Seniors op, 2007.

7.0-0 Nbd7 8.d4 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 0-0 12.Nbd2 Qa8 13.c4 Bb4 (13...Rc8 14.Qc2=) 14.Bb2 (14.Qc2 c5+=) 14...Qa2 (14...c6!?=) 15.Qc2+= Ba3 16.Rb1 Ra8 (16...c5 17.cd5 ed5 18.Nb3 Bb2 19.Rb2+= (worse 19.Qb2 Qb2 20.Rb2 c4–/+)) 17.cd5+– Bd5 18.e4 Ne4? (better 18...Bb2!? 19.ed5 Bd4 20.Nd4 Qc2 21.Nc2 Ra2+–) 19.Ne4+– Bb2 20.Rb2 Qa1 21.Bf1 Be4 (21...c5 22.dc5 f5 23.Nc3 Bf3 24.Rb1+– (worse 24.gf3 Nc5 25.Rb1 Qa7+–)) 22.Qe4 Nf6 23.Qc6 Nd5 (23...Ra7 24.Rc2 h6 25.Rc1+–) 24.Rb1 Qa4 (24...Qa7 25.Bd3 Rd8 26.Qc2+–) 25.Bc4 Nc3 (25...Ne7 26.Qc7 Rc8 27.Qe7 Qc4 28.h3+–) 26.Rc1 Nd5 27.Bd5 ed5 28.h4 h6 29.Ne5 (29.Qd5 Qa2 30.Qd7 Ra7+–) 29...Rf8 (29...Qa5 30.h5 Rf8 31.Nd7+–) 30.Qd5 (better 30.Nd7 Rd8 31.Qc7+–) 30...Qa3 (30...Qa5+–) 31.Rc7 Qa1 32.Kh2 Qe1 (32...Qa8 33.Rb7 Qd8 34.Qd8 Rd8+–) 33.Rf7 Rf7 34.Qf7 Kh7 35.Ng6 (better 35.Ng4 Kh8 36.Ne3 Qd2+–) 35...Qe4 36.Ne7 Qh4 37.Kg1 h5 38.Qg8 Kh6 39.Qh8 Kg5 40.Qg7 Kf4 41.Qe5 Kg4 42.f3 (42.Qf5) 1–0. DEFFM – GuestSFCQ, freechess.org, 2018.

7.0-0 Nbd7 8.d4 h5 9.Nbd2 Qe7 10.c4 Rh6 (10...a6 11.Ne5+=) 11.cd5+– Bd5 12.Qc2 e5 (12...Bb7 13.Rfc1+–) 13.e4 Bb7 14.Bd3 Kd8 (14...g6!?+–) 15.Rfe1 Nh7 16.de5 (16.Nc4 f6+–) 16...Ne5 17.Nd4 (17.Rac1 Nd3 18.Qd3 Qd7+–) 17...Nd3 18.Qd3 Rg6 19.N2f3 Kc8 (19...Qd7 20.e5 Qg4 21.g3+–) 20.Nc6 (better 20.Nf5!? Qf8 21.Rac1+– (21.Nd6?! Qd6 22.Qc2 Ng5+–)) 20...Bc6+– 21.bc6 Bb4?? (better 21...a6+–) 22.Qa6+– Kd8 23.Qb7 Qe6 (23...Rc8 24.Red1 Bd6+–) 24.Qa8 Ke7 (24...Qc8 25.Rad1 Bd6+–) 25.Rad1 Bd6 26.e5 Rg2 27.Kh1 Rh2 28.Kh2 (28.Kh2 Nf6 29.ed6 cd6 30.c7 Ng4 31.Kg1 Qe5 32.Qd8 Ke6 33.c8Q) 1–0. Abreu Suarez,Isauro (1995) – Guniaeva,Olga, La Laguna ESP, Open, 2013.

7.c4 dc4 8.Bc4 0-0 9.0-0 c6 10.a4 c5 11.d4 Nbd7 12.Nbd2 Bd5 13.Bd5 ed5 14.dc5 bc5 15.Qc2 Rc8 16.Rac1 d4 (better is 16...Qe7!?=) 17.ed4+/– cd4 18.Qd3 Rc1 19.Rc1 Ne5 20.Ne5 Be5 21.Nf3 Qb8 22.Ne5 Qe5 23.Bd4 Qg5 (23...Qd6 24.Qc3 Rd8 25.Qc5+–) 24.Qc3 (24.Qe3 Qd5+–) 24...Ne4 (24...Nd5 25.Qc5 Qd2 26.h3+–) 25.Qc2 Nf6 26.Bf6 (better is 26.Ba7!? Nd5 27.f3+–) 26...Qf6 27.a5 Qe5 28.Qc5 Qc5 29.Rc5 g6 30.Rc7 (30.b6 ab6 31.ab6 Rb8+–) 30...Rd8 31.g3 Ra8 32.a6 Kg7 33.Kg2 h6 34.Kf3 Kf6 35.Rb7 h5 36.Kf4 g5 37.Kf3 Kg6 38.g4 h4 39.h3 f6?? (39...f5+–) 40.Ke4 Re8 (40...Kh6 41.Kf5 Rc8 42.Kf6 Rf8 43.Ke7+–) 41.Kd5 Re5 42.Kd6 Re2 43.Ra7 Rf2 (43...Rd2 44.Kc7 Rc2 45.Kb8+–) 44.b6 Rd2 45.Ke7 f5 46.b7 (46.gf5 Kf5 47.Rd7 Re2 48.Kd8 g4+–) 46...Rb2 (46...Re2 47.Kd6 Rd2 48.Kc5+–) 47.Ra8 f4 (47...fg4 48.b8Q Rb8 49.Rb8 gh3+–) 48.b8Q Rb8 49.Rb8 f3 50.Rb6 Kg7 51.Rb5 f2 52.Rf5 f1Q 53.Rf1 Kg8 (54.a7 Kh7 55.Rf7 Kh6 56.a8Q Kg6 57.Qc6#; 53...Kg6 54.Rf6 Kg7 55.a7 Kh7 56.Rf7 Kg6 57.a8Q Kh6 58.Qc6#) 1–0. revbodio2 – Dona2, Live Game Caissa's Web, 2004.

7.c4 dc4 8.Bc4 a6 9.d4 =+.

7.c4 Nbd7 8.0-0 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Qa8 (11...dc4 12.h3=+) 12.Bb2 0-0 (12...dc4 13.Nc3=) 13.d4= dc4 14.Nbd2 Nd5 (14...c3!? 15.Bc3 Nd5=) 15.Nc4+= Bb4 (15...Qa2 16.Qc2 Nb4 17.Qd2+–) 16.Qb3+– N7f6 17.Ra1 Qd8 18.Ra7 Bc8? (better 18...Qb8!? 19.Ra4 Be7+–) 19.Nfe5+– Bd7 20.Ra4 (better 20.Bf3 Bd6+–) 20...Qe7? (better 20...Be7+–) 21.Nd7 Nd7 (21...Qd7 22.Ne5 Qe8 23.Rb4 Nb4 24.Qb4+–) 22.e4 Nf4 23.Bf3 (23.Rb4?! Ne2 24.Kf1 Nf4+–) 23...Ba5 (23...Bd6 24.e5 Bc5 25.dc5 Nc5 26.Ba3+–) 24.Ba3 (24.Ba3 Qd8 25.Bf8 Nf8 26.Na5 ba5 27.Qc3+–) 1–0. DEFFM – GuestBNTT, freechess.org, 2019.

7.c4 Nbd7 8.0-0 dc4 9.Bc4 a6 10.ba6 Ba6 11.Ba6 Ra6 12.Qe2 =.

7.c4 Nbd7 8.0-0 Rc8 9.cd5 Bd5 10.d3 (10.Nc3 c6+=) 10...0-0 (10...c6 11.e4 cb5 12.ed5 ed5 13.Nc3+–) 11.Nbd2 (11.e4 Bb7+=) 11...c5 12.e4 c4?? (better is 12...Bb7=) 13.Bf6 (13.ed5 c3 14.Bc3 Rc3+/–) 13...Nf6 14.ed5 ed5? (better is 14...c3 15.de6 cd2 16.ef7 Kh8 17.Qd2 Rf7+–) 15.dc4+– dc4 16.Nc4 (16...Nd5 17.Re1+–) 1–0. mrkt – CTO, ICC, 2005.

7.Be5 0-0 8.0-0 c6 9.c4 dc4 10.Bc4 cb5 11.Bb5? (better is 11.Bd6 Qd6 12.Bb5=+) 11...Be5–+ 12.Ne5 Qd5 13.Nf3 Qb5 14.Nc3 Qc5 15.Ne1 Nbd7 16.f3 Ne5 17.d4 (17.Rc1 Nc4 18.Nc2–+) 17...Qc3 18.de5 Qe5 19.e4 Qc5 20.Kh1 Ba6 21.Rg1 Nh5 22.g4 Nf4 23.Nd3 (23.Qc2–+) 23...Bd3 24.Qb3 (24.Qd2 Qe5–+) 24...Qf2 0–1. valpa – CYTO, HCL–B2083 playchess.de, 2003.

7.Be5 a6 8.Nc3 Ne4 9.0-0 Be5 =+.

7.Ne5 0-0 8.Bf3 (8.0-0 a6=) 8...c5 9.bc6 Nc6 10.Nc6 Bc6 11.c4 (11.Be2 Qe7=+) 11...Rc8-/+ 12.cd5 Nd5 13.Qc2?? (13.0-0 Qh4 14.g3 Qh6-/+) 13...Qh4 (better 13...Nb4 14.Qb3 Bf3 15.gf3 Nc2 16.Ke2 Qd7-+) 14.Nc3 Nb4 (14...Bh2?! 15.Nd5 Bd5 16.Qd1 Bf3 17.Qf3=) 15.Qd1?? (better 15.Qb1 Bf3 16.gf3-+) 15...Nd3 16.Ke2 Nb2 17.Qc2 (17.Qb3 Nc4 18.d3 Ne5 19.Bc6 Rc6-+ (worse 19...Nc6 20.h3-+)) 17...Bf3 (17...Bb5 18.Nb5 Rc2 19.Nd4 Rd2 20.Kd2 Qf2 21.Ne2 Nc4 22.Kc2 Qe3 23.Rad1 Na3 24.Kb2 Be5 25.Rd4 Rc8 26.Bc6 Rc6 27.Rhd1 Rc2 28.Ka1 Qe2 29.R1d2 Bd4 30.Rd4 Ra2) 18.gf3 (18.Kf3 Qh5 19.g4 Qh3 20.Ke2 Qg4 21.Ke1-+) 18...Qc4 19.Ke1 Nd3 20.Kf1 (20.Ke2 Nb4 21.d3 Qc3 22.Qc3 Rc3-+) 20...Nb4 21.Ne2 0-1. b4_Bb2 (1760) - georgelunalo (1815), lichess.org, 2020.

7.h3 Qe7 8.a4 0-0 9.d3 h6 10.Nbd2 Nh7 (10...a6 11.0-0=) 11.Qc1 Nd7 12.Ba3 c5 13.bc6 Bc6 14.Bd6 Qd6 15.c4 Ndf6 16.Nd4 Bd7 17.0-0 dc4 18.Nc4 Qe7 19.Ne5 Rac8 20.Qb2 Rc5 21.Nb3 Rc7 22.Nd7 Rd7 23.Rfc1 Rfd8 24.Nd4 Qd6 25.Rc6 Qd5 26.Rac1 Qg5 27.Qb3 Nd5 28.Bg4 Re7 29.Be6?? (29.Nf3 Qf6+=) 29...fe6?? (29...Ne3 30.fe3 Qe3 31.Kh1 Qd4–/+ (31...fe6? 32.Ne6 Rde8 33.Nc7 Kh8 34.Ne8 Re8 35.Qf7+–)) 30.Ne6+= Re6 31.Re6 Kh8 32.a5 Nf8 33.Rec6 ba5 34.Rc8 Ne3 (34...Nb6 35.Rd8 Qd8+=) 35.g3 (better is 35.fe3!? Qe3 36.Kf1 Qf4 37.Ke2 Rc8 38.Rc8 Qe5 39.Kd1+/–) 35...Nf5= 36.Qb8?? (36.Qb5!? Rc8 37.Rc8=) 36...Kh7 (better is 36...Qc1! 37.Rc1 Rb8–+) 37.R1c7–/+ Rd3?? (better is 37...Ne6 38.Rd8 Nd8–/+) 38.Rc3?? (38.Rf8 Nd6 39.Rh8 Kg6 40.Qg8+– (40.Ra7?! Rg3 41.fg3 Qg3 42.Kf1 Qh3 43.Ke2 Qg2 44.Kd1 Qf3 45.Kc2 Qe2 46.Kb3 Qd3 47.Ka2 Qc2 48.Ka1 Qa4 49.Kb2 Qd4 50.Kc2 Qe4 51.Kd2 Qd4 52.Ke2 Qe4 53.Kf2 Qf4 54.Kg2 Qg5 55.Kf3 Qf5 56.Ke3 Qe4 57.Kd2 Qd4 58.Kc1 Qf4 59.Kb1 Qe4 60.Ka1 Qa4 61.Kb1 Qd1 62.Ka2 Qc2 63.Qb2 Qa4 64.Kb1 Qd1 65.Qc1 Qb3 66.Ka1 Qa4 67.Kb1 Qb3 68.Ka1 Qa4 69.Kb1 Qb3=)) 38...Rd1–+ 39.Kh2 Ng6 (better is 39...Qd2 40.Qa8 Qf2 41.Qg2 Qe1–+) 40.R3c5?? (40.Qb3 Rd8–+) 40...Rd2 (better is 40...Qd2 41.Qb7 Ng3 42.Qg7 Kg7 43.R8c7 Kg8 44.Rc8 Kf7 45.R8c7 Ne7 46.Kg3 Qd3 47.Kf4 Rd2 48.Re7 Ke7 49.Rc7 Kd6 50.f3 Qd4 51.Kf5 Qd5 52.Kf6 Qe6 53.Kg7 Rg2 54.Kh7 Qg6 55.Kh8 Qg8) 41.Rc2 Rd1 42.Qa7?? (42.R2c5 Qd2 43.Qb7 Ng3 44.Qf3 Nf1 45.Kg1 Ne3 46.Qd1 Qd1 47.Kh2–+) 42...Nge7 (42...Qf6 43.Qa8 Nd4 44.R8c3 Nc2 45.Rc2–+) 43.R8c5? (43.Rf8 Rd2 44.Rd2 Qd2–/+) 43...Qg6 (43...Qf6 44.R5c4 Nd5 45.Rg4–+) 44.Qa5? (44.Qb7 Qe6 45.Qg2 a4–+) 44...Nh4! 45.R5c3?? (45.gh4 Qg1 Mate attack) 45...Nf3!! 46.Rf3 Qc2 47.Qb5 (47.Qa8–+) 47...Qe4 48.Qb3 Qe1 (48...Qe1 49.Qd1 Qd1–+) 0–1. mikebaldini – basilvaos, gameknot.com, 2016.

8.c4 c6 9.a4 dc4 10.Bc4 cb5 11.ab5 Bd5 12.Bf6+= Qf6 13.Bd5 ed5 14.Nc3 Nd7 (14...Rd8 15.Qe2+=) 15.Nd5+– Qe5?? (better 15...Qe6 16.Nc3 Rfc8+–) 16.Ne5+– Be5 (16...Ne5 17.d4 Nc4 18.Qd3+–) 17.Ne7 Kh8 18.d4 Bd6 (18...Bb8 19.Qf3+–) 19.Nf5 Bb4 20.Ng7! Kg7 21.Qg4 (21.Qg4 Kh8 22.Qd7+–) 1–0. GuestPHTQ – GQs, freechess.org, 2019.

8.c4 Nbd7 9.d4 Qe7 10.Ne5 Rfd8 (10...a6 11.Nd2=) 11.Nd2 a6 (11...dc4 12.Qc2= (worse is 12.Ndc4 Ne5 13.de5 Be5–/+)) 12.a4 (12.ba6!? Ra6 13.c5 bc5 14.Ba6 Ba6 15.Nc6+/–) 12...dc4 13.Bc4 ab5 14.ab5 Ra1 15.Ba1 Ra8 16.Ndf3 (16.Nc6 Bc6 17.bc6 Nf8=) 16...Be5 17.Ne5 Ne5 18.de5 Ne4 19.Qc2 Nc5 20.Bd4 h6 21.Ra1 Ra1 22.Ba1 Qg5 23.g3 Qg4 24.Be2 Bf3 25.Bf3 Qf3 26.Bd4 Ne4 27.Bb2 (27.h3 h5+=) 27...g5 (27...Ng5 28.Kf1–/+) 28.h3 (28.Ba3!?=) 28...h5–/+ 29.Bd4 (29.Bc3!?–/+) 29...Kg7 30.Bb2 Qf5 31.Kg2 (31.f4 Kg6 32.Kg2 Ng3 33.Qf5 Nf5–+ (33...Kf5?? 34.Kg3 g4 35.hg4 hg4 36.Bd4+–)) 31...g4 32.h4 (32.hg4 hg4 33.Bc3–+) 32...Ng3–+ 33.Qf5 (33.Qd1 Ne4 34.f4 Nc5–+) 33...Nf5 (33...ef5?? 34.Kg3 Kf8 35.Kf4+–) 34.Ba3 Kg6 35.Kf1 f6 36.ef6 Kf6 37.Bb2 Ke7 38.Be5 Kd7 39.Bf6 Nd6 40.Kg2 Nb5 41.f3 gf3 42.Kf3 Nd6 43.Kf4 Nf7 44.Ke4 c5 45.Kd3 Kc6 46.Kc3 Kd5 0–1. Petrochenko,Maria (1715) – Turikov,Viktor (2270), St Petersburg RUS, Chigorin Mem, 2012.

8.d3 c6 9.a4 cb5 10.ab5 Nbd7 11.Nbd2 Qc7 12.c4 dc4 13.Nc4 Bc5 14.Qb3 Bd5 15.Rfc1 Bc4 (better is 15...Rfd8!?+/–) 16.Qc4+– (16.dc4?! Bd6+=) 16...Rfc8 17.Qh4 Qd8 18.Qg3 Be7 19.Rc8 Qc8 20.Nd4 Nb8?? (better is 20...Qc5 21.Ra4 a5+–) 21.Bf3 Nd5 (21...Nbd7 22.Ba8 Qa8+–) 22.Ne6!! (22...g6 23.Bd5+–) 1–0. marekt – Superspeedy, ChessWorld.net, 2003.

8.d4 c5 9.c4 dc4 10.Bc4 Qe7 11.Nc3 Rd8 12.Qe2 cd4 13.Nd4 a6 14.ba6 Na6 15.Ndb5 Be5 16.a4 Nc5 17.f4 Bb8 18.Rad1 Rd1 19.Rd1 Nce4 (19...Na4 20.Na4 Ra4 21.Bf6 gf6 22.Nd4=+) 20.Ne4 Be4 21.Ba3 Qe8 22.Bd6 (22.Nc3!? Bc6 23.Bb5+=) 22...Bd6=+ 23.Nd6 Qa4 24.Bb5 (24.Ne4 Ne4 25.Qd3 Rc8=+) 24...Qb4 (better 24...Qa3-/+) 25.g4? (better 25.Rd4 Qb3 26.Bc4 Qb1 27.Rd1-/+) 25...Bd5-+ 26.Qd2? (26.e4 Ra2 27.Qe3 Qd6 28.ed5 Ng4 29.Qc1 Nh2 30.Qc8 Qf8 31.Qf8 Kf8 32.de6 Nf3 33.Kf1-+) 26...Ne4 (better 26...Qd6 27.h3 Ne4-+) 27.Qb4+- (27.Qb4 Nd6 28.Qd6+-) 1-0. tibi (2010) - asdff (1920), Rated Blitz game, lichess.org, 2015.

8.d4 c5 9.Nbd2 Nbd7 10.Ne5 (10.c4 Qe7=) 10...a6 11.Ndf3 cd4 (11...c4 12.ba6 Ra6 13.a4+=) 12.ed4 Be5 13.Ne5 Ne5 14.de5 Ne4 15.Bd3 (15.f3 Nc5=) 15...h6 (15...Qc7 16.a4=) 16.Bd4 a5 (16...Qc7!?=) 17.Qg4+= Qc7 18.a4 (18.Rfe1 Nc5+=) 18...Nc5 (18...Rfc8 19.f4+=) 19.f4 g6 (19...Ne4 20.Rf3+/–) 20.f5+/– ef5 (20...Nd3? 21.fg6 (21.cd3?! ef5 22.Qh4 h5+–) 21...Ne5 22.gf7 Kh7 23.Qe6+–) 21.Bf5 Bc8 (21...Rae8 22.Ra3 Bc8 23.Bc8 Qc8 24.Qh4+/–) 22.Bc8 (22.e6!? Be6 23.Qh4 Kh7+– (23...gf5?? 24.Qf6 Qe5 25.Be5 Na4 26.Qg7; 23...Bf5?? 24.Qf6 Qe5 25.Be5 Bc2 26.Qg7)) 22...Rac8 (22...Rfc8 23.Rf6 h5 24.Qh3+/–) 23.Rf6+/– h5 (23...Rfe8 24.Raf1 h5 25.Qf3+–) 24.Qg5 Ne4 25.Qh6 Nc3 (25...Nf6?? 26.ef6 Qh2 27.Kh2 Rc2 28.Qg7) 26.Re1 Qc4 27.Rg6 (27.Be3!? Ne4 A) 28.Bb6 Qa4 (28...Nf6?? 29.ef6 Qc5 30.Bc5 Rc5 31.Qg7) 29.Ref1 Qc2+– (29...Nf6 30.ef6 Qd4 31.Bd4 Rc2 32.Qg7); B) 28.Rb6+–) 27...fg6= 28.Qg6 Kh8 29.Qh5 Kg7 30.Qg4 Kh7 31.e6 (31.Qh5 Kg8 32.Qg6 Kh8 33.Qh5 Kg7 34.Qg4 Kh7 35.Qh5 Kg7=) 31...Rf1 32.Rf1 Qd4 33.Qd4 Ne2 34.Kf2 Nd4 35.e7 Re8 (35...Rc2?? 36.Ke3 Re2 37.Kd4 Re7 38.Kd5+–; 35...Nc2 36.Rc1+=) 36.Rd1 Nc2 37.Rd5 Re7 38.Rd6 Rf7 39.Ke2 Rb7 40.g4 Nb4 (40...Na1 41.Kd3 Nb3 42.Kc4=) 41.h4 Rg7 (41...Kg7 42.h5=) 42.g5 (42.Rb6 Rg4 43.Rb7 Kg6=) 42...Rg6= 43.Rd7 Rg7 44.Rd4 Rg6 45.Kf3 Na2 46.Rc4 Nb4 47.Kg4 Nd3 48.Rc7 Rg7 49.Rc3 (49.Rc8 Nf2 50.Kf5 Rf7 51.Ke6 Rg7=) 49...Nc5 (49...Rd7 50.Rc8+=) 50.Rc4 Re7 51.Kf5 Rf7 52.Ke5 Rf3 53.h5 Rb3 54.Kd5 Rb4 55.Rb4 ab4 56.Kc4 b3 57.Kc3 Kg7 58.Kb2 Kf7 ½–½. zd3nik (1875) – frankvelbrati (1760), gameknot.com, 2015.

7.0-0 Be7 8.a4 0-0 9.c4 dc4 10.Bc4 c6 11.d4 cb5 (11...Rc8 12.Qe2=) 12.ab5+= Qc7 13.Nbd2 (13.Bd3 Rfc8+=) 13...Ne4 (13...Bf3 14.gf3 (worse 14.Qf3 Bb4=+) 14...Bd6 15.f4=) 14.Qb3 Nd6 (14...Nd2 15.Nd2 Bd6 16.h3+=) 15.Be2 Nf6 (15...Bd5 16.Qa4+=) 16.Rfc1 Qd7 (16...Qb8 17.Ne5+/-) 17.Ne5+/- Qe8 18.Bf3?? (better 18.Nc6 Nd5 19.Na7+/-) 18...Bf3=+ 19.Ndf3 Qb5 20.Qa2 a5 (20...Rfc8 21.Ba3 Rc1 22.Rc1=+) 21.Ba3 Rfc8 22.Rcb1 Qa6 (better 22...Qd5 23.Rb6 Qa2 24.Ra2 Nd5=+) 23.h3 (23.Nf7 Nf7 (worse 23...Kf7 24.Ne5 Ke8 25.Bd6+=) 24.Be7 Nd5=) 23...Bf8 (23...Nd5 24.Qd2-/+) 24.g4 (24.Ng5 Nde4 25.Ngf7=+) 24...Nde4 25.g5? (25.Qb2 Ba3 26.Ra3 Nd5-+) 25...Nd5 (better 25...Nc3!? 26.Qb3 Nb1 27.Qb1 Ba3 28.Ra3 Nd5-+) 26.Bf8 Rf8 (better 26...Ndc3 27.Qb2 Nb1 (27...Kf8?! 28.Qb6 Nb1 29.Qb1-/+) 28.Qb1 Nc3-+) 27.Rc1? (27.Qc2 Ndc3 28.Rb3 Rfc8-+) 27...Rfc8 (27...Nec3!? 28.Rc3 Nc3 29.Qb2-+) 28.Qb3 (better 28.Qb2-+) 28...a4?? (better 28...Qe2 29.Rf1 Rc3-+) 29.Qd1?? (better 29.Rc8 Rc8 30.Ra4=) 29...Nec3 30.Qe1 Qa5 (better 30...Ne2 31.Kg2 Nc1 32.Rc1 a3-+) 31.Rc2 (better 31.e4 Nf4 32.Rc2-+) 31...Ne4?? (better 31...b5!?-+) 32.Rc8 (32.Qa5 ba5 (32...Ra5?? 33.Rc8) 33.Rc8 Rc8 34.Ra4 f6=) 32...Rc8 33.Qa5 ba5 34.Ra4 Ra8 (34...f6 35.Nd3 Ra8 36.Nc5=+) 35.Nc6 Kf8 (35...Ndc3 36.Ra5 Ra5 37.Na5=) 36.Ra5 (36.Na5 Ndc3 37.Ra1 Nd1 38.Rd1 Ra5+=) 36...Ra5 37.Na5 Ke7 (37...Nb4!?+=) 38.h4+/- Nc7 (38...f6 39.Nc4+/-) 39.Ne5 Nb5 40.Nec4 f6 41.Kg2 fg5 (41...Ned6 42.Kf3+/-) 42.f3 gh4 (42...Ned6!? 43.hg5 Nc4 44.Nc4 h6+-) 43.fe4+- Nc3 44.e5 Kf7 (44...g5 45.Kh3+-) 45.Kf3 g5 46.Nd6 Kg6 (46...Kf8 47.Kg4+-) 47.Nc6 (47.Nab7 Kh5+-) 47...h5 48.Ne7 (better 48.e4+-) 48...Kh6?? (48...Kg7 49.Kg2 Kf8 50.Nc6+-) 49.e4 (better 49.Nf7 Kg7 50.Ng5+-) 49...g4 50.Kg2 h3 51.Kh2 Ne2 52.d5 Kg5?? (better 52...Nf4 53.de6 Ne6+-) 53.de6 h4 (53...h4 54.Nf7 Kf4 55.Nd5 Ke4+-). zembelek (2010) - gaetanmarlier (2025), Rated Blitz game, lichess.org, 2014.

7.0-0 Be7 8.d4 0-0 9.Nbd2 c5 10.c4 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 Be7 7.Be2 0-0 8.0-0 d5 9.d4 Nbd7 10.Nbd2).

7.a4 c5 8.0-0 Be7 9.Ne5 Rc8 10.Nd7 Qd7 11.Bf3 0-0 Black plans d4 12.Ba3 d4 13.Bb7 Qb7 14.ed4 cd4 15.Be7 Qe7 16.d3 Rc5 17.Nd2 Rg5 18.Nc4 Qb7 19.g3 Rd8 20.f4 Rg6 (20...Rc5!?=+) 21.Ne5 Rh6 22.Nc6 Rf8 (22...Rd5!?=) 23.Qf3 Nd5 24.Qe4 Ne3 25.Rf2 (worse 25.Qd4 Nf1 26.Rf1 a6=+) 25...Qc7 (25...Nf5 26.g4 Ne3 27.g5+/-) 26.Rc1 (26.Qd4 Nf5 27.Qe5 Qb7+-) 26...f5 (26...Nf5 27.Nd4 Nd4 28.Qd4+=) 27.Qe5 (27.Qd4 Ng4 28.Re2 a6+-) 27...Qd7 (better 27...Qe5 28.Ne5 Ng4 29.Ng4 fg4+=) 28.Nd4?? (better 28.Re2+-) 28...Ng4-+ 29.Qe2 (29.Ne6 Re6 (29...Qe6?! 30.Qe6 Re6 31.Rd2-/+) 30.Qc3 Nf2 31.Kf2 Rfe8-+) 29...Qd4 30.c3 (30.Rcf1 Rd8-+) 30...Qa4 (30...Qf2!? 31.Qf2 Nf2 32.Kf2 Rh2 33.Kf3-+) 31.Rg2 Qb5 32.d4 Qe2 33.Re2 Rc8 34.Rcc2 (34.c4 Kf7-+) 34...a5 35.h4 Rg6 36.Kg2 Rc6 37.Kh3 Nf6 38.Re5 (38.c4 Kf7-+) 38...Ne4 39.d5 (39.Re4 fe4 40.h5 Rh6-+) 39...Rg3 (better 39...ed5!? 40.Kh2 d4 41.c4-+) 40.Kh2 Rcc3 41.Rc3 Rc3 (41...Nc3?! 42.de6 Kf8 43.Rf5 Ke7 44.Kg3 Ke6 45.Rh5-/+) 42.Re6 Rc2 43.Kh3 Rc3 44.Kh2 Rc8 (44...b5 45.Rb6 b4 46.Ra6-+) 45.d6 (45.Rb6 Rd8-+) 45...Nf6 46.Re7 a4 (46...Rd8 47.Re6-+) 47.d7 (47.Ra7 b5-+) 47...Nd7! 48.Rd7 a3 (48...Ra8!? 49.h5-+) 49.Ra7 Rc3 0-1. Atotheking (1710) - luis77es (1690), lichess.org, 2020.

7.c4 a5 8.cd5+= Bd5 9.Nc3 Bf3 (9...Bb7!?=) 10.Bf3+– (10.gf3?! Rc8=) 10...Rc8 11.0-0 Ne5 12.Bb7 Rb8 13.f4 Nd3 14.Bc6 Nd7 15.f5 Nb2 16.Qb3 Nd3 (16...e5!? 17.Nd5 Be7+–) 17.fe6+– Bc5?? (better 17...fe6 18.Qe6 Qe7 19.Bd7 Kd8+–) 18.ed7 Kf8 (18...Ke7 19.Rf7 Kd6 20.Qd5) 19.Qf7 1–0. GuestQWGR – GuestTCHJ, freechess.org, 2018.

7.c4 a6 =.

7.d4 Rc8 8.0-0 Be7 9.c4 c5 10.a4 (10.cd5 Nd5 11.dc5 Bf6 12.Bf6 Qf6+=) 10...0-0 11.Nbd2 Qc7 12.Qb3 (12.Rc1 dc4 13.Bc4 Rfd8=) 12...Bd6 13.g3 Ne4 14.Rfc1 f5 (14...Rfd8 15.cd5 Bd5 16.Bc4=+) 15.Ne4 fe4 (15...de4 16.Ng5 Rfe8 17.a5=) 16.Ng5 Rf6 (16...Rfe8!?=) 17.cd5+/- ed5 18.Ne4 Rh6 19.Nd6 Qd6 20.dc5 Nc5 21.Qc3 White plans a5 21...Qg6 22.a5 Rf8 23.f3 Rf7 (23...Ne6 24.g4+/-) 24.Qe5+- Nd7 25.Qe8 Nf8 26.f4 (26.a6 Qh5 27.h4 Re6+-) 26...Qf5 (better 26...ba5 27.Bd4 Qf5+-) 27.g4 Qg6? (27...Rg6 28.a6 Rg4 29.Kh1 Ba8 30.Bg4 Qg4+-) 28.a6 Rh4 (28...Ba6 29.Ra6 Rh3 30.Rc8+-) 29.ab7 Rg4 (29...Rb7 30.Qg6 Ng6 31.Rc8 Kf7+-) 30.Kh1 Rb7 31.Qe5 Rh4 (31...Rf4 32.ef4 Qe6+-) 32.Qd5 Rf7 33.Ra7 (33.Ra7 h5 34.Bc4 Rhf4 35.ef4 Qe6 36.Rf7 Qf7 37.Qf7 Kh7 38.Qg7) 1-0. onur604 (2320) - PavBusch1996 (2350), Casual Rapid game, lichess.org, 2021.

7.d4 Bd6 8.0-0 h5 9.Ne5 h4 (9...a6 10.Nd2=) 10.Nc6 Bc6 (10...Qc8 11.h3=) 11.bc6+= Nb8 12.c4 Nc6 (12...h3 13.g3+=) 13.Qa4 Qd7 (13...b5!? 14.cb5 h3+=) 14.cd5+/- ed5?? (better 14...Na5 15.Bb5 c6 16.Bc6 Nc6 17.dc6 Qc7+/-) 15.Bb5+- Bh2 (15...0-0 16.h3+-) 16.Kh1 (better 16.Kh2 Qf5 17.Bc6 Kd8 18.Nd2+- (18.Ba8 h3 19.Qe8 Ke8 20.Bc6 Kd8 21.Bd7 Nd7 22.Kg1 Qg4 23.g3 Qf3 24.Nc3 h2)) 16...Qd6 (16...Kf8 17.Bc6 Qf5+-) 17.Bc6 Kf8 (17...Kd8 18.Ba8 h3+-) 18.Ba3 (18.Ba3 b5 19.Bd6 Bd6 20.Qb5+-) 1-0. DEFFM – GuestFLZZ, freechess.org, 2021.

7.d4 Be7 8.0-0 0-0 9.Nbd2 a6 10.a4 ab5 11.ab5 c5 12.bc6 Bc6 13.c4 Qc7 14.Qb3 dc4 15.Nc4 b5 16.Nce5 Ne5 17.de5 Ne4 18.Nd4 The pressure on the isolated pawn grows (18.Bb5? Rab8 19.Nd4 Bb5 20.Nb5 Qb6-+) 18...Nd2? (better 18...Bd5 19.Nb5 Qe5 20.Be5 Bb3=) 19.Qc2+- Nf1 20.Nc6 Ra1 21.Ba1 Ra8 22.Bd4 Bf8 (22...Ne3!? 23.fe3 b4+/-) 23.Bf1 Rc8? (23...Qb7 24.Bd3 g6+-) 24.Bb5 Qb7 25.Qc4 Rb8 (25...g6+-) 26.Nb8 Qb8 27.g3 1-0. DEFFM – GuestJRPQ, freechess.org, 2021.

7.Bd4 a6 8.ba6 Ba6 9.Ba6 Ra6 10.0-0 Bd6 11.Qe2 Qa8 12.Qb5 0-0 13.Qb2 b5 14.a3 Rb8 15.d3 Re8 (15...c5 16.Bc3=+) 16.Ne5 –/+.

8.c4 0-0 9.cd5 Bd5 10.d4 Qe7 11.Nbd2 Rfc8 (11...c5 12.bc6 Bc6 13.Nc4=) 12.Nc4 (12.Qb1 Bb7+=) 12...c5 13.Nd6 Qd6 14.dc5 Qc5 (worse 14...Rc5 15.Ba3+–) 15.a4 (15.Rc1 Qe7=) 15...Qc2 16.Bf6 Nf6 17.Nd4 Qd1 (17...Qg6 18.Bf3=) 18.Rfd1 Ne4 19.Bf3 Nc3 20.Bd5 Nd5 (20...ed5 21.Rd3 Rc4 22.Nf5=) 21.Nc6+= Kf8 ½–½. Fischbach,Rainer (1670) – Wolter,Uwe, Leipzig VfB op, 2007.

8.c4 dc4 9.Bc4 0-0 10.d3 c5 11.Nbd2 Qc7 12.a4 Ne5 13.Ne5 Be5 14.Be5 Qe5 15.Qc2?? (15.Qe2 h6=) 15...Qg5?? (better is 15...Ng4 16.g3 Nh2–+) 16.g3 Ng4 17.Nb3?? (better is 17.e4+=) 17...Nh2–+ 18.Kh2 (18.e4 Nf1 19.Rf1–+) 18...Qh5 0–1. cristero (2460) – mbarker (2410), net–chess.com, 2015.

8.c4 c6 9.a4 (9.cd5 cd5 10.d4 Qe7=) 9...0-0 (9...dc4 10.Na3=) 10.d4 (10.Na3 a6=) 10...Re8 (10...dc4 11.Nbd2=) 11.a5 cb5 (11...Rc8 12.ab6 ab6 13.Ra7=) 12.a6 Bc8 (12...Ba6 13.Ra6 bc4 14.Nc3=) 13.cd5 (13.cb5 Qe7+=) 13...Nd5 14.Bb5 Nc5 1–0. DEFFM – GuestFKSG, freechess.org, 2018.

8.d4 Qe7 9.c3 c5 10.bc6 Bc6 11.a4 0-0 12.Na3 a6 13.h3 b5 (better is 13...Ne4!?=+) 14.ab5= ab5 15.Nb5 Bb5 16.Ra8 Ra8 17.Bb5 Ba3 (17...Nb6!?=) 18.Ba3+/– Qa3 19.Ne5 Ne5 20.de5 Ne4 21.Qc1 Qc3 22.Qc3 Nc3 23.Bd3 Na4 24.Ra1 Nb6 25.Ra8 Na8 26.f4 Nc7 27.f5 Na8 28.f6 gf6 29.ef6 Nb6 30.e4 de4 31.Be4 Nd7 32.g4 Nf6 33.Bd3 Nd5 34.Kf2 Kg7 35.Kf3 f6 36.h4 Nc7 37.Bc4 e5 38.Ke4 Ne8 39.Kf5?? (better is 39.Kd5=+) 39...Nd6–+ 40.Ke6 Nc4 41.Kd5 Ne3 42.Ke6 Ng4 43.h5 (43.Kf5–+) 43...e4 44.Kf5 e3 45.Kg4 e2 46.h6 Kh6 47.Kf5 e1Q 48.Kf6 Qe4 49.Kf7 Kh5 50.Kf6 Kg4 51.Kg7 Qf5 52.Kg8 Qf6 53.Kh7 Qg5 54.Kh8 Kf5 55.Kh7 Kf6 0–1. MasterofDisaster – Simson9, Live Game Caissa's Web, 2004.

9.Ba3 a6=.

9.Nc3 A) 9...Qe7 A1) 10.Bd3 a6 (10...e5 11.de5 Ne5 12.Nd4 a6 13.Nf5 Qe6 14.Nd6 Qd6; 10...a5 11.h3 a4 12.Qe2 a3 13.Bc1 e5 14.de5 Ne5) 11.a4 Ne4 12.ba6 Ba6 13.Ne4 de4 14.Be4 Bf1; A2) 10.Qd2 c5 (10...a5 11.h3 h6 12.Rfe1 a4 13.a3 Rfe8 14.Qd1 Ra5; 10...h6 11.a4 a5 12.Rfd1 Rfd8 13.Qd3 Ra7 14.h3 Raa8) 11.a4 Rfd8 12.a5 Ne4 13.Qe1 Rac8 14.ab6 ab6; A3) 10.Qd3 h6 (10...a6 11.a4 Ne4 12.g3 a5 13.Rfe1 f5 14.Rf1 Rad8; 10...a5 11.h3 a4 12.a3 Ne4 13.Rfb1 Ndf6 14.Nd2 h6) 11.g3 a5 12.a4 Rfe8 13.Rfd1 Rab8 14.Re1 Ne4; A4) 10.a4 a6 (10...a5 11.h3 h6 12.Qd3 e5 13.de5 Ne5 14.Qd4 Rfe8; 10...Bb4 11.Ne5 Ne5 12.de5 Ne4 13.Qd3 Nc5 14.Qd4 a5) 11.Qd2 Bb4 12.Qd3 c5 13.bc6 Bc6 14.Ne5 Ne5; B) 9...a5 B1) 10.h3 a4 (10...Qe7 11.a4 h6 12.Qd2 e5 13.de5 Ne5 14.Rad1 Rfe8; 10...h6 11.Qd2 Qe7 12.Rfd1 a4 13.a3 Rfd8 14.Qe1 e5) 11.a3 Qe7 12.Ra2 Rfd8 13.Qd3 h6 14.Re1 Ne4; B2) 10.Re1 a4 (10...Qe7 11.a4 h6 12.Qd3 Rfe8 13.g3 Bb4 14.Reb1 Rad8; 10...h6 11.a4 Qe7 12.Qd3 Ne4 13.Rf1 Qf6 14.Nd2 Nc3) 11.a3 Qe7 12.h3 Rfd8 13.Ra2 h6 14.Qd3 Ne4; B3) 10.Bd3 a4 (10...Ne4 11.Rb1 f5 12.h3 a4 13.Ne2 Qe7 14.Nf4 a3; 10...Qe7 11.Ne2 Ne4 12.Ne5 a4 13.Be4 de4 14.Nf4 Rfd8) 11.h3 a3 12.Bc1 Ne4 13.Be4 de4 14.Nd2 f5; B4) 10.Qd2 a4 (10...Qe7 11.a4 Ne4 12.Qd3 f5 13.g3 Rad8 14.Rfe1 Bb4; 10...h6 11.a4 Qe7 12.g3 Ne4 13.Qd3 Rfe8 14.Nd2 Ndf6) 11.a3 Qe7 12.h3 Rfd8 13.Rfe1 Ne4 14.Qd3 h6; C) 9...h6 C1) 10.h3 Qe7 (10...a5 11.Qd2 Qe7 12.Rfd1 a4 13.a3 Rfd8 14.Qd3 Ne4; 10...a6 11.a4 Qe7 12.Bd3 ab5 13.Nb5 Ne4 14.Nd6 cd6) 11.a4 a6 12.Qd2 c5 13.bc6 Bc6 14.Qd3 Ra7; C2) 10.a4 a5 (10...a6 11.Bd3 ab5 12.ab5 Qe7 13.Qe2 e5 14.de5 Ne5; 10...Re8 11.a5 ba5 12.Ra5 c5 13.Ra1 cd4 14.Nd4 Qc7) 11.Re1 Qe7 12.Qd3 Ne4 13.Rf1 Rfe8 14.h3 Nef6; C3) 10.Bd3 a5 (10...a6 11.a4 ab5 12.Nb5 Be7 13.c4 Re8 14.h3 c6; 10...Ne4 11.Qe2 c5 12.bc6 Bc6 13.a4 Bb4 14.Be4 de4) 11.h3 a4 12.a3 Qe7 13.Re1 Ne4 14.Be4 de4; C4) 10.Qd2 Qe7 (10...c5 11.bc6 Bc6 12.a4 Qc7 13.g3 Bb4 14.Qd3 Rfc8; 10...c6 11.g3 c5 12.Ba3 a6 13.dc5 Nc5 14.Bc5 Bc5) 11.h3 c5 12.bc6 Bc6 13.Rfd1 Rad8 14.Qe1 Rb8; D) 9...Re8 D1) 10.Qd2 h6 (10...Qe7 11.Rfe1 h6 12.h3 a6 13.a4 Bb4 14.Qd3 Ne4; 10...a6 11.a4 Qe7 12.h3 h6 13.Rfd1 c6 14.bc6 Bc6) 11.Bd3 Ne4 12.Qe2 Qf6 13.Be4 de4 14.Nd2 Qf5; D2) 10.g3 h6 (10...Qe7 11.Qd3 h6 12.a4 a5 13.Rfd1 Rad8 14.Ra2 Ne4; 10...a6 11.a4 h6 12.Qd3 a5 13.Rfe1 Ne4 14.Nd2 Nd2) 11.Bd3 a6 12.a4 Qe7 13.Nh4 a5 14.Qe2 Bb4; D3) 10.a4 a5 (10...h6 11.a5 ba5 12.Ra5 c5 13.Ra2 cd4 14.Qd4 e5; 10...a6 11.Bd3 a5 12.Re1 Ne4 13.Be4 de4 14.Nd2 Qh4) 11.Re1 h6 12.Qd3 Qe7 13.g3 Bb4 14.Rf1 Rad8; D4) 10.h3 h6 (10...a5 11.a4 h6 12.Qd3 Qe7 13.Nh4 Rab8 14.Rfe1 Ne4; 10...a6 11.a4 h6 12.Bd3 a5 13.Re1 Bb4 14.Rf1 Ne4) 11.Re1 a6 12.a4 Qe7 13.Qd2 Bb4 14.Rf1 Ne4; E) 9...a6 E1) 10.a4 Qe7 (10...h6 11.h3 Qe7 12.Bd3 ab5 13.Nb5 Ne4 14.Nd6 cd6; 10...a5 11.h3 Qe7 12.Re1 h6 13.Bd3 Ne4 14.Be4 de4) 11.Bd3 a5 12.Re1 Ne4 13.Be4 de4 14.Nd2 Qh4; E2) 10.Qd3 ab5 (10...c5 11.bc6 Bc6 12.a4 Qe7 13.h3 h6 14.Rfe1 Ne4; 10...h6 11.a4 Qe7 12.g3 c5 13.bc6 Bc6 14.Rfe1 Ne4) 11.Nb5 Ne4 12.Nd6 cd6 13.Qb3 Ndf6 14.h3 Qd7; E3) 10.ba6 Ba6 (10...Bc8 11.a7 c6 12.Bd3 Ra7 13.e4 de4 14.Ne4 Ne4) 11.Ba6 Ra6 12.Qd3 Ra8 13.Rfe1 Bb4 14.Nd2 c5; E4) 10.Bd3 Ne4 (10...ab5 11.Nb5 Be7 12.c4 dc4 13.Bc4 Ba6 14.Qe2 c6; 10...Qe7 11.a4 a5 12.Qe2 e5 13.de5 Ne5 14.Nd4 Rfe8) 11.ba6 Nc3 12.Bc3 Ba6 13.Qe2 Qc8 14.Ne5 Bd3.

9.c4 a6 A) 10.Nc3 Qe7 (10...dc4 11.Bc4 Ng4 12.g3 ab5 13.Nb5 Qf6 14.Be2 Qh6; 10...ab5 11.cb5 h6 12.Qb3 Qe7 13.h3 Ne4 14.Ne4 de4) 11.Nd2 Rfc8 12.a3 ab5 13.Nb5 c5 14.Nd6 Qd6; B) 10.ba6 Ba6 (10...Ra6 11.Nc3 Ra8 12.Nb5 Be7 13.cd5 Nd5 14.Qc2 h6) 11.Nbd2 Bb7 12.a4 c5 13.Qb3 Qc7 14.g3 h6; C) 10.cd5 Nd5 (10...ab5 11.de6 fe6 12.Bb5 Ne4 13.a4 Ng5 14.Nfd2 Rf6; 10...ed5 11.Nc3 Qe7 12.Qc2 ab5 13.Nb5 Ne4 14.Nd2 Nd2) 11.ba6 Ba6 12.Ba6 Ra6 13.Nc3 Qa8 14.Nb5 N7f6; D) 10.Nbd2 ab5 (10...Qe7 11.Ne5 ab5 12.cb5 Bb4 13.Qc2 Ne5 14.de5 Ne4; 10...Ne4 11.cd5 ed5 12.a4 Ndf6 13.Qc2 Nd2 14.Nd2 h6) 11.cb5 c5 12.bc6 Bc6 13.a4 Qe7 14.Qb3 Ne4.

9.c4 dc4 10.Qc2 Qe7 (10...a6!? 11.ba6 Ra6 12.Bc4 Be4=+) 11.Nbd2= e5 (11...a6 12.a4=) 12.Nc4+= (worse 12.Bc4 e4 13.Nh4 g6=; 12.Qc4?! a6 13.a4 e4=+) 12...Bf3 (12...Be4!? 13.Qd1 Rfd8+=) 13.Bf3+– e4 14.Be2 h5 (14...Nd5 15.Rac1+–) 15.a4 (15.Nd6 cd6 16.Rfc1 Rfd8+–) 15...Ng4 (15...h4!?+–) 16.h3+– Nh2?? (better 16...Ngf6+–) 17.Nd6 (better 17.Rfc1 Nf3 18.gf3 Qg5 19.Kf1 Qh4 20.Nd6 Qh3 21.Ke1 cd6 22.Qe4 Rfe8+–) 17...Qd6 (17...Nf1 18.Nc4 Ne3 19.Ne3 Nf6+–) 18.Ba3 c5 (18...Qg6 19.Kh2 Rfc8 20.Rac1+–) 19.bc6 Nc5 (19...Qc7 20.Rfc1 Nf6+–) 20.dc5 bc5 21.Bc5 Qc7 (21...Qc6 22.Kh2 Rfd8 23.Rac1+–) 22.Bf8 (better 22.Rfd1 Qc6 23.Kh2 Rfe8+–) 22...Rf8 (22...Nf1 23.Rf1 Rf8+–) 23.Rfd1 f5 24.Rd7 Qe5 25.Rad1 Nf3 26.gf3 ef3 27.Bf3 f4 28.Rd8 Qg5 29.Bg4! Rd8 (29...hg4 30.Qb3 Deflection) 30.Rd8 Qd8 31.Be6 Kh8 (31...Kf8 32.c7 Qg5 33.Kh2 Qg1 34.Kg1 Ke7 35.c8Q g6 36.Q2c7 Kf6 37.ef4 a6 38.Qf7) 32.c7 Qg5 (32...Qe8 33.c8Q Qc8 34.Qc8 Kh7 35.Bf7 h4 36.Qf5 g6 37.Qg6 Kh8 38.Qh6) 33.Kf1 g6 (33...Qg2 34.Kg2 f3 35.Kg1 g6 36.Qg6 a6 37.c8Q) 34.c8Q Kg7 35.Q2c7 Kf6 36.Qf8 Ke6 37.Qff7 1–0. guest308 – guest766, chessclub.com, 2019.

9.c4 dc4 10.Nc3 a6 11.Bc4 ab5 12.Nb5 Qe7 13.a4 Bb4 14.Qe2 Rfc8.

9.c4 dc4 10.Bc4 a6 (10...Qe7 11.Qe2 Ne4 12.Nbd2 c5 13.Ne4 Be4 14.Rad1 cd4; 10...h6 11.Qe2 c5 12.bc6 Bc6 13.Nc3 Ne4 14.Nb5 Qe7) 11.Nc3 Ng4 12.g3 ab5 13.Nb5 Qf6 14.Be2 Qh6.

9.c4 dc4 10.Nbd2 Qe7 (10...a6 11.Nc4 Qe7 12.ba6 Ba6 13.Qc2 Nd5 14.a4 Bb4; 10...c3 11.Bc3 Nd5 12.Qc2 a6 13.ba6 Ba6 14.Ba6 Ra6) 11.Nc4 a6 12.ba6 Ba6 13.Qc2 Nd5 14.a4 Bb4.

9.c4 dc4 10.Nfd2 a6 (10...Nd5 11.Nc4 Qg5 12.g3 a6 13.Bc1 Nb4 14.Nd6 cd6; 10...Bb4 11.Nc4 a6 12.ba6 Ba6 13.a3 Ba5 14.Qc2 Qe7) 11.Nc3 Nd5 12.ba6 Ra6 13.Nc4 Bb4 14.Qb3 Nc3.

9.c4 c5 A) 10.Nc3 dc4 (10...Qe7 11.cd5 ed5 12.dc5 bc5 13.h3 Qe6 14.Ng5 Qe8; 10...Qc7 11.cd5 ed5 12.dc5 bc5 13.Qc2 d4 14.Na4 de3) 11.Bc4 Bf3 12.gf3 cd4 13.Qd4 Qc7 14.f4 Rac8; B) 10.cd5 ed5 11.dc5 bc5 12.Nc3 Qc7 13.a4 Rae8 14.Qd3 Ne5; C) 10.Nbd2 Qe7 (10...a6 11.ba6 Ba6 12.Qb3 Qc7 13.g3 Rfe8 14.Rfe1 Bb7; 10...Qc7 11.g3 Rfe8 12.dc5 Nc5 13.Bf6 gf6 14.cd5 Bd5) 11.cd5 ed5 12.dc5 bc5 13.Rb1 h6 14.Re1 Bc7; D) 10.bc6 Bc6 11.cd5 Nd5 12.Nbd2 b5 13.Qb3 Rc8 14.Ne4 Nf4.

9.c4 Ne4 A) 10.Nc3 Ndf6 (10...Nc3 11.Bc3 Nf6 12.Qc2 Ne4 13.cd5 Bd5 14.Ne5 Rc8; 10...a6 11.cd5 ed5 12.ba6 Nc3 13.Bc3 Ba6 14.Ba6 Ra6) 11.Qc2 Nc3 12.Bc3 Ne4 13.cd5 Bd5 14.Nd2 Nc3; B) 10.Nbd2 Nd2 (10...a6 11.cd5 ed5 12.Ne4 de4 13.Ne5 Qe7 14.ba6 Ba6; 10...Ndf6 11.cd5 ed5 12.Ne5 Nd2 13.Qd2 Ne4 14.Qd3 f6) 11.Qd2 dc4 12.Bc4 Bf3 13.gf3 Qh4 14.f4 Qg4; C) 10.Ne5 a6 (10...Ne5 11.de5 Bc5 12.cd5 Bd5 13.Nc3 Nc3 14.Bc3 c6; 10...Qh4 11.g3 Qe7 12.f3 Nef6 13.Nd2 Ba3 14.Ba3 Qa3) 11.Nd2 Ne5 12.de5 Bc5 13.Ne4 de4 14.Qc2 Qg5; D) 10.cd5 ed5 (10...Bd5 11.Bd3 Rc8 12.Nbd2 f5 13.Rc1 Qe7 14.Nc4 Bb4; 10...a6 11.ba6 Ra6 12.Nc3 ed5 13.Ba6 Ba6 14.Re1 Ndf6) 11.Nc3 a6 12.ba6 Nc3 13.Bc3 Ba6 14.Ba6 Ra6.

9.c4 Qe7 A) 10.h3 a6 (10...dc4 11.Nbd2 a6 12.ba6 Ba6 13.Nc4 Ne4 14.Qc2 f5; 10...Ne4 11.Nc3 a6 12.Ne4 de4 13.Ne5 Ne5 14.de5 Bb4) 11.Nbd2 dc4 12.ba6 Ba6 13.Nc4 Ne4 14.Qc2 f5; B) 10.Ne5 dc4 (10...a6 11.Nd2 ab5 12.cb5 Bb4 13.Qc2 Ne5 14.de5 Ne4; 10...Ne4 11.f3 Nef6 12.Nd2 Ba3 13.Ba3 Qa3 14.Qb3 Qd6) 11.Nc4 a6 12.Nc3 Bb4 13.Qb3 Nd5 14.ba6 Ba6; C) 10.cd5 Nd5 (10...ed5 11.Nc3 a6 12.Qc2 ab5 13.Nb5 Ne4 14.Nd6 Qd6) 11.g3 f5 12.Nc3 a6 13.a4 ab5 14.ab5 Ra1; D) 10.Nbd2 e5 (10...dc4 11.Nc4 a6 12.ba6 Ba6 13.Qc2 Nd5 14.h3 Nb4; 10...a6 11.Ne5 dc4 12.ba6 Ra6 13.Nec4 Raa8 14.Nd6 cd6) 11.de5 Ne5 12.Ne5 Be5 13.Be5 Qe5 14.Nf3 Qe7.

9.Nbd2 a6 A) 10.a4 ab5 (10...Qe7 11.c4 ab5 12.ab5 Ra1 13.Qa1 Ra8 14.Qd1 Ne4) 11.ab5 Qe7 12.Ra8 Ra8 13.c4 e5 14.cd5 ed4; B) 10.c4 ab5 (10...h6 11.a4 Qe7 12.Qc2 Rfd8 13.Ne5 ab5 14.ab5 Be5; 10...g6 11.a4 ab5 12.ab5 Ra1 13.Qa1 Qa8 14.Qc1 c5) 11.cb5 c5 12.bc6 Bc6 13.Rc1 Ba4 14.Qe1 Qe7.

9.Nbd2 c5 A) 10.c4 Qe7 (10...Re8 11.Qc2 cd4 12.ed4 Rc8 13.Ne5 h5 14.Rac1 Ng4; 10...a6 11.ba6 Ba6 12.h3 h6 13.Qb3 Qc7 14.Bd3 Bb7) 11.cd5 ed5 12.dc5 bc5 13.Rb1 h6 14.h3 Bc7; B) 10.g3 c4 (10...a6 11.ba6 Ba6 12.c4 h6 13.Qb3 Re8 14.Rfe1 Bb7; 10...Qe7 11.c4 a6 12.ba6 Ba6 13.Qb3 Rfc8 14.Rfc1 h6) 11.a4 a6 12.c3 h6 13.Qc2 Qe7 14.Rfe1 Rfc8; C) 10.bc6 Bc6 11.c4 Rc8 12.Rc1 Ne4 13.cd5 Bd5 14.Qa4 Qe7.

9.Nbd2 c6 A) 10.c4 c5 (10...cb5 11.cd5 ed5 12.Bb5 Rc8 13.Qb3 Qe7 14.Rac1 a6; 10...Rc8 11.bc6 Bc6 12.Ne5 Bb7 13.Rc1 Bb4 14.Ndf3 Ne5) 11.h3 a6 12.ba6 Ba6 13.Bd3 Qe7 14.a4 Rfc8; B) 10.h3 cb5 (10...c5 11.c4 a6 12.ba6 Ba6 13.Re1 Bb7 14.Bd3 Qe7; 10...Ne4 11.Ne4 de4 12.Nd2 cb5 13.Bb5 a6 14.Be2 Qc7) 11.Bb5 Rc8 12.c3 a6 13.Be2 g6 14.Rc1 Qe7; C) 10.bc6 Bc6 11.c4 Rc8 12.Ne5 Bb7 13.Qa4 a6 14.Qb3 h6.

9.Nbd2 Qe7 10.a4 (10.Ne5 a6 (10...Rfd8 11.Bd3 h6 12.Qe2 Ba3 13.Ba3 Qa3 14.f4 a6; 10...Qe8 11.c4 a6 12.Qc2 dc4 13.a4 c3 14.Bc3 Nd5) 11.c4 dc4 12.ba6 Ra6 13.Nec4 Raa8 14.f3 Rfc8; 10.c4 dc4 (10...a6 11.Ne5 ab5 12.cb5 Bb4 13.Qc2 Ne5 14.de5 Ne4; 10...e5 11.de5 Ne5 12.Ne5 Be5 13.Be5 Qe5 14.Nf3 Qd6) 11.Nc4 a6 12.ba6 Ba6 13.Qc2 Nd5 14.a4 Bb4; 10.h3 a6 (10...Rfc8 11.Ne5 a6 12.ba6 Ba6 13.Nc6 Qe8 14.c4 Nb8; 10...h6 11.c4 a6 12.Qc2 ab5 13.cb5 Ne4 14.Ne4 de4) 11.c4 dc4 12.ba6 Ba6 13.Nc4 Ne4 14.Qc2 f5; 10.g3 a6 (10...Rfc8 11.Ne5 a6 12.c4 ab5 13.cb5 Bb4 14.Ndf3 Ne5; 10...g6 11.c4 a6 12.Qc2 ab5 13.cb5 Ne4 14.Ne4 de4) 11.c4 ab5 12.cb5 c5 13.bc6 Bc6 14.a4 Rfc8) 10...a6 11.c4 ab5 12.ab5 (12.cb5 e5 13.de5 Ne5 14.Qc2 Nf3) 12...Ra1 13.Qa1 (13.Ba1 Ra8 14.Qc2 e5) 13...Ra8 14.Qb1 (14.Qd1 Ne4) 14...Ne4 15.Qc2 f5 16.Ra1 Qf8 17.cd5 ed5 18.Ne5 Ra1 19.Ba1 Qa8 20.Bb2 Ndf6 21.Ne4 fe4 22.Qb1 Qa4 23.Qd1 (23.Bc3 g6+=) 23...Qd1= 24.Bd1 Kf8 25.f4 ef3 26.gf3 g6 27.Kf2 Bc8 28.Be2 Bf5 29.Bc3 Ke7 30.h4 Ke6 (30...Nh5=+) 31.Bd3 (31.Bd1=) 31...Nh5 (31...Be5 32.Bf5 Kf5 33.de5–/+) 32.Bf5 (better 32.e4!? must definitely be considered 32...Bh3 33.ed5 Kf6 34.Bd2+=) 32...Kf5 (32...gf5!? 33.Nc6 Bg3 34.Ke2 Bh4–/+) 33.Kg2 Be5 34.de5 Ng7 35.Kg3 Ne6 (35...h6 36.Bd4=+) 36.Kf2 Nc5 37.Ke2 Nd7 (37...h6 38.Kd2=+) 38.f4 '=' 38...Nc5 39.Kf3 Ne4 40.Bb4 Ke6 41.Ke2 (41.Kg4 Kf7=) 41...Ng3=/+ 42.Kf3 Nf5 43.Be1 Ne7 44.Bb4? (better 44.Kg4= is the best option White has) 44...Nc8–+ 45.Bc3 (45.h5 Na7 46.hg6 hg6–+) 45...Kf5 46.Bb4 Na7 47.Be7 Nb5 48.Bd8 (48.Bg5 h5–+) 48...h5 49.Ke2 Ke6 50.Kd3 Kd7 51.Bf6 c5 52.Kc2 (52.Bg7 Nc7–+) 52...Nc7 53.Kd3 (53.Bg7 is not much help 53...Ke6–+) 53...b5 54.e4 (54.Kc2 does not help much 54...b4–+) 54...Ke6 55.Bd8 (55.Bg5 a fruitless try to alter the course of the game 55...b4 56.ed5 Kd5–+) 55...de4 56.Ke4 Nd5 57.Bg5 (57.Ba5 doesn't change the outcome of the game 57...b4 58.Kd3 Nf4 59.Kc4 Nd5–+) 57...b4 58.Kd3 b3 59.Kd2 (59.f5 otherwise it's curtains at once 59...gf5 60.Bc1–+) 59...c4 60.Bh6 c3 61.Kc1 Nb4 62.Kb1 Nd3 63.Ka1N c2 64.f5 Kd5 65.Bc1 Nc1 66.Kb2 Nd3 67.Kc3 c1Q 68.Kd3 Qe1 69.f6 b2 70.f7 b1Q 0–1. Semenko,Georg – Fluegel,Wilhelm, Bayern–ch Seniors, 1994.

9.Nbd2 h6 A) 10.Ne5 a6 (10...Qe7 11.c4 Ne4 12.Nd7 Nd2 13.Qd2 Bb4 14.Ba3 Ba3) 11.c4 dc4 12.ba6 Ra6 13.Ndc4 Be5 14.Ne5 Ra7; B) 10.h3 a6 (10...Re8 11.c4 a6 12.a4 e5 13.Qc2 e4 14.Nh4 g6; 10...Qe7 11.c4 a6 12.Qc2 ab5 13.cb5 Ne4 14.Ne4 de4) 11.c4 ab5 12.cb5 c5 13.bc6 Bc6 14.a4 Qe7; C) 10.g3 Re8 (10...a6 11.c4 ab5 12.cb5 c5 13.bc6 Bc6 14.Bd3 Qb8; 10...Qe7 11.c4 a6 12.Qc2 ab5 13.cb5 Ne4 14.Ne4 de4) 11.c4 a6 12.a4 ab5 13.ab5 Ra1 14.Qa1 Qa8; D) 10.c4 a6 (10...a5 11.cd5 ed5 12.Ne5 Qe7 13.f4 Qe6 14.Qc2 a4; 10...Ne4 11.cd5 ed5 12.Ne4 de4 13.Nd2 Nf6 14.Qa4 Re8) 11.a4 ab5 12.ab5 Ra1 13.Qa1 Qa8 14.Bc3 Ne4.

9.Bd3 A) 9...c5 A1) 10.h3 Qc7 (10...cd4 11.ed4 Ne4 12.Nbd2 Rc8 13.c4 Qf6 14.Rc1 Qf4; 10...Qe7 11.Nc3 e5 12.de5 Ne5 13.Be2 Rad8 14.Re1 h6) 11.Re1 Ne4 12.Qe2 Rac8 13.c3 f5 14.Nbd2 Ndf6; A2) 10.Nc3 Qc7 (10...Qe7 11.g3 cd4 12.Nd4 Rac8 13.f4 Rfd8 14.Qf3 g6; 10...h6 11.h3 Qc7 12.Be2 cd4 13.Qd4 e5 14.Qh4 Nc5) 11.g3 h6 12.Rc1 Rfe8 13.Qd2 Ne4 14.Qe1 e5; A3) 10.g3 Qe7 (10...c4 11.Be2 h6 12.Nc3 Qc7 13.Qd2 Bb4 14.Qe1 Rfe8; 10...Qc7 11.dc5 Nc5 12.Bf6 gf6 13.Nd4 f5 14.Nd2 Qe7) 11.Nc3 cd4 12.ed4 Rac8 13.Qe2 Bb4 14.Na4 Ne4; A4) 10.bc6 Bc6 11.Ne5 Qc7 12.Nc6 Qc6 13.Na3 Rfb8 14.Nb5 Bb4; B) 9...c6 B1) 10.Nc3 c5 (10...Qc7 11.bc6 Qc6 12.h3 Ne4 13.Nb5 Be7 14.Ba3 Ba3; 10...Qc8 11.bc6 Qc6 12.Nb5 Be7 13.Ba3 Ba3 14.Na3 Qd6) 11.h3 Qe7 12.Re1 e5 13.de5 Ne5 14.Ne5 Qe5; B2) 10.Nbd2 cb5 11.Bb5 Rc8 12.g3 h6 13.Bd3 Ne4 14.c4 Ndf6; B3) 10.h3 cb5 (10...c5 11.Nc3 Qe7 12.Be2 h6 13.Qd2 a5 14.ba6 Ba6; 10...Qc7 11.Nc3 c5 12.Rb1 Rac8 13.Na4 cd4 14.ed4 Ne4) 11.Bb5 Ne4 12.Nbd2 Ndf6 13.Bd3 Qc7 14.Ne5 Nd7; B4) 10.bc6 Bc6 11.Ne5 Bb7 12.Nd2 Rc8 13.f4 Qe7 14.Qe2 Bb4; C) 9...Ne4 C1) 10.Qe2 c5 (10...Qe7 11.Ne5 Be5 12.de5 Nec5 13.f4 a6 14.Nc3 Nd3; 10...c6 11.bc6 Bc6 12.Nbd2 Qc7 13.Rfc1 Ndf6 14.Ne5 Nd2) 11.bc6 Bc6 12.Nbd2 Rc8 13.Ba6 Nd2 14.Nd2 Rc7; C2) 10.Ne5 Ne5 (10...a6 11.f3 Nec5 12.Nc6 Qh4 13.g3 Bg3 14.hg3 Qg3; 10...f5 11.f3 Nec5 12.Nd2 Na4 13.Nd7 Qd7 14.Qc1 a6) 11.de5 Bb4 12.Qe2 Qh4 13.a3 Be7 14.Nd2 Nc5; C3) 10.Nc3 Bb4 (10...c5 11.bc6 Bc6 12.a4 f5 13.Nb5 Bb4 14.c4 a6; 10...f5 11.Qe2 Qe7 12.Rab1 Rad8 13.g3 Bb4 14.Na4 c6) 11.Be4 de4 12.Nd2 Nf6 13.a3 Bc3 14.Bc3 a6; C4) 10.Nbd2 a6 11.ba6 Ra6 12.Ba6 Ba6 13.c4 Nd2 14.Nd2 dc4; D) 9...h6 D1) 10.Nbd2 a6 (10...Qe7 11.Qe2 c5 12.bc6 Bc6 13.c4 Rac8 14.Ne5 Ba3) 11.a4 Qe7 12.Qe2 ab5 13.ab5 e5 14.de5 Ne5; D2) 10.Qe2 Ne4 (10...c5 11.bc6 Bc6 12.Ne5 Be5 13.de5 Ne4 14.f3 Nec5; 10...c6 11.bc6 Bc6 12.Ne5 Rc8 13.Nd2 Bb7 14.f4 b5) 11.Nbd2 c5 12.bc6 Bc6 13.c4 Ndf6 14.cd5 Bd5; D3) 10.a4 Qe7 (10...a6 11.Nbd2 ab5 12.ab5 Qe7 13.Qe2 e5 14.de5 Ne5; 10...Ne4 11.Nbd2 c5 12.bc6 Bc6 13.c4 Ndf6 14.cd5 Bd5) 11.Nbd2 a6 12.Qe2 ab5 13.ab5 e5 14.de5 Ne5; D4) 10.Nc3 a6 (10...c5 11.bc6 Bc6 12.a4 Bb4 13.Na2 Be7 14.Nc3 Ne4; 10...Ne4 11.a4 Qe7 12.Be4 de4 13.Nd2 Qh4 14.h3 a6) 11.h3 Qe7 12.a4 ab5 13.Nb5 Ne4 14.Nd2 Ndf6; E) 9...a6 E1) 10.ba6 Ba6 (10...Ra6 11.Nc3 Ra5 12.Nb5 Be7 13.c4 Ba6 14.Qe2 c6) 11.Nc3 c6 12.Qe2 Qc8 13.a4 Ne4 14.Ba6 Nc3; E2) 10.Nc3 Ne4 (10...Qe7 11.a4 a5 12.Qe2 e5 13.de5 Ne5 14.Nd4 g6; 10...h6 11.a4 ab5 12.Nb5 Be7 13.c4 Re8 14.h3 c6) 11.ba6 Ra6 12.Nb5 Bb4 13.a3 Ba5 14.Qe2 Ra8.

9.h3 A) 9...Ne4 A1) 10.Nbd2 a6 (10...Ndf6 11.Ne4 Ne4 12.Nd2 f5 13.c4 a6 14.Qc2 ab5) 11.Ne4 de4 12.Ne5 ab5 13.Bb5 Ne5 14.de5 Bc5; A2) 10.a4 c5 (10...a5 11.Nbd2 Ndf6 12.Bd3 Bb4 13.c4 Nd2 14.Nd2 Ne4; 10...f5 11.Nc3 a5 12.Ne4 fe4 13.Ne5 Ne5 14.de5 Bc5) 11.bc6 Bc6 12.Nc3 Nc3 13.Bc3 Nf6 14.Ne5 Ne4; A3) 10.Bd3 a6 (10...Ndf6 11.Qe2 c6 12.bc6 Bc6 13.Ne5 Qc7 14.Nd2 Nd2; 10...Qf6 11.Nbd2 Rfe8 12.c4 a6 13.ba6 Ra6 14.Qc2 Qg6) 11.ba6 Ba6 12.Ba6 Ra6 13.Qd3 Ra5 14.Bc3 Ra4; A4) 10.Nc3 Ndf6 (10...f5 11.Ne4 fe4 12.Ne5 a6 13.c4 Qe7 14.cd5 ed5; 10...a6 11.ba6 Ra6 12.Ne4 de4 13.Nd2 Ra4 14.c3 Ra8) 11.Ne4 Ne4 12.Nd2 a6 13.Ne4 de4 14.a4 Qg5; B) 9...c5 B1) 10.Nc3 Qc7 (10...cd4 11.Qd4 Qc7 12.Rac1 Ne5 13.Rfd1 Nf3 14.Bf3 Be5; 10...h6 11.Qd2 Qc7 12.Rfd1 cd4 13.Qd4 e5 14.Qh4 Nc5) 11.Re1 cd4 12.Qd4 Nc5 13.Rad1 e5 14.Qh4 h6; B2) 10.Nbd2 cd4 (10...c4 11.c3 a6 12.a4 Qe7 13.Qc2 h6 14.Rfe1 Rfe8; 10...Qc7 11.c4 h6 12.dc5 Nc5 13.cd5 Bd5 14.Bf6 gf6) 11.ed4 Rc8 12.c4 Ne4 13.Qa4 Nd2 14.Nd2 Bf4; B3) 10.bc6 Bc6 11.Nbd2 b5 12.Ne5 Qc7 13.Nc6 Qc6 14.c3 Nb6; C) 9...h6 C1) 10.c4 a6 (10...dc4 11.Nbd2 c3 12.Bc3 a6 13.a4 Nd5 14.Qb3 Nc3; 10...c5 11.bc6 Bc6 12.Nc3 Rc8 13.cd5 Nd5 14.Nb5 Bb5) 11.Nbd2 ab5 12.cb5 c5 13.bc6 Bc6 14.Rc1 Ba4; C2) 10.Nc3 a6 (10...Qe7 11.a4 a5 12.Re1 Rad8 13.Qd3 e5 14.de5 Ne5; 10...a5 11.Qd3 Qe7 12.Qd2 a4 13.a3 Rfe8 14.Qd3 Ne4) 11.a4 Qe7 12.Bd3 ab5 13.Nb5 Ne4 14.Nd6 cd6; C3) 10.a4 a6 (10...Qe7 11.c4 a6 12.Nc3 ab5 13.ab5 Ra1 14.Qa1 Ra8; 10...Ne4 11.Nbd2 Ndf6 12.Ne4 Ne4 13.a5 ba5 14.Nd2 a6) 11.Nc3 Qe7 12.Bd3 ab5 13.Nb5 Ne4 14.Nd6 cd6; C4) 10.Nbd2 a6 (10...Re8 11.c4 a6 12.Ne5 dc4 13.ba6 Ra6 14.Ndc4 Be7; 10...Qe7 11.c4 a6 12.Qc2 ab5 13.cb5 Ra7 14.Ne5 Bb4) 11.c4 Qe7 12.Qc2 ab5 13.cb5 e5 14.de5 Ne5; D) 9...Qe7 D1) 10.Nbd2 a6 (10...Rfc8 11.Ne5 a6 12.c4 ab5 13.cb5 c6 14.bc6 Bc6; 10...g6 11.c4 a6 12.Qc2 dc4 13.a4 c3 14.Bc3 Nd5) 11.c4 dc4 12.ba6 Ba6 13.Nc4 Ne4 14.Qc2 f5; D2) 10.Ne5 a6 (10...a5 11.Nd2 a4 12.Bd3 Rfd8 13.Qe2 Ne4 14.Ne4 de4; 10...h5 11.c4 a6 12.Nd2 ab5 13.cb5 Bb4 14.Ndf3 Ne5) 11.ba6 Ba6 12.Nd2 Bb7 13.Bb5 Ba3 14.Qc1 Ne5; D3) 10.Nc3 c5 (10...c6 11.bc6 Bc6 12.Nb5 Ne4 13.Nd6 Qd6 14.Qd3 b5; 10...a6 11.a4 h6 12.Qd2 c5 13.bc6 Bc6 14.Qc1 Ne4) 11.bc6 Bc6 12.Nb5 Bb5 13.Bb5 Ne4 14.c4 Ndf6; D4) 10.c4 a6 (10...dc4 11.Nbd2 a6 12.ba6 Ba6 13.Nc4 Ne4 14.Qc2 f5; 10...Ne4 11.Nc3 a6 12.Ne4 de4 13.Ne5 ab5 14.cb5 Ne5) 11.Nbd2 dc4 12.ba6 Ba6 13.Nc4 Ne4 14.Qc2 f5; E) 9...a6 E1) 10.Nc3 Qe7 (10...ab5 11.Nb5 Qe7 12.Nd6 Qd6 13.a4 Ne4 14.Bd3 f5; 10...h6 11.a4 c6 12.bc6 Bc6 13.Ba3 Ba3 14.Ra3 Qe7) 11.Bd3 ab5 12.Nb5 Ne4 13.Nd6 cd6 14.Qe2 Rfc8; E2) 10.Nbd2 ab5 (10...Ne4 11.Ne4 de4 12.Ne5 ab5 13.Bb5 Ne5 14.de5 Bc5; 10...Qe7 11.c4 dc4 12.ba6 Ba6 13.Nc4 Ne4 14.Qc2 f5) 11.Bb5 g6 12.Qe2 c6 13.Bd3 Qe7 14.c4 c5; E3) 10.a4 ab5 11.ab5 Ra1 12.Ba1 Ne4 13.Nc3 Ng5 14.Qd3 Qe7; E4) 10.ba6 Ba6 (10...Bc8 11.Nc3 c6 12.Bd3 Ba6 13.a4 h6 14.Qe2 Bd3; 10...Ra6 11.Ba6 Ba6 12.Re1 Ne4 13.Nbd2 Ndf6 14.a4 c6) 11.Ba6 Ra6 12.Qd3 Ra5 13.Bc3 Ra4 14.Nbd2 Qa8.

8.c4 Nc5 9.0-0 0-0 10.Na3 A) 10...Qe7 11.cd5 (11.d4 Nce4 12.Ne5 Nd7 13.f3 Nef6 14.Bd3 a6 15.Qc2 ab5 16.Nb5 dc4+=) 11...Bd5 12.Nc4 a5 13.Rc1 Rad8 14.d4 Nce4 15.Nfe5 Bb4 16.f3 Nd6+=; B) 10...a6 11.d3 (11.d4 Nce4 12.Ne5 Nd7 13.f3 Nef6 14.ba6 Ba6 15.Nb5 Ne8 16.f4 Ne5=) 11...c6 12.Ne5 Qc7 13.bc6 Be5 14.Be5 Qe5 15.cb7 Nb7 16.d4 Qc7=.

8.c4 Nc5 9.0-0 0-0 10.d4 Nce4 (10...Ncd7 11.a5 (11.cd5 Nd5 12.e4 Nf4 13.Nc3 a6 14.Bc4 ab5 15.ab5 Qf6 16.g3 Ra1=) 11...dc4 12.a6 Bd5 13.Nbd2 c5 14.Nc4 Bc7 15.Rc1 Qb8 16.Nce5 Ne5+=) 11.Ne5 (11.cd5 Nd5 12.Nfd2 Nd2 13.Nd2 a6 14.Qc2 Nb4 15.Qc3 Qh4 16.f4 Nd5=) 11...Rc8? (better is 11...dc4 12.Nc4 Be7= 13.f3 Nd6 14.Nbd2 a6 15.e4 ab5 16.Nd6 Qd6=) 12.f3+– Ng5 13.h4 Nd7 (13...Nge4 14.fe4 Ne4 15.cd5 Bd5 16.Qe1+–) 14.hg5 Qg5 15.f4 Qf6?? (15...Qe7+–) 16.Nd7 (16.Nd7 Qh6 17.Nf8 Bf8 18.a5+–) 1–0. BlackDemon (2615) – Mempawah (1785), FICS rated standard game, 2013.

8.c4 Nc5 9.0-0 0-0 10.cd5 A) 10...Nd5 11.Qc2 (11.a5 ba5 12.d4 Ne4 13.Ra5 c6 14.Ra2 cb5 15.Bb5 a6 16.Bc4 Nb4+=) 11...a5 12.Rc1 Nb4 13.Qc3 f6 14.d4 Ne4 15.Qb3 Qd7 16.Bc4 Rae8=; B) 10...Bd5 11.Nd4 (11.Nc3 c6 12.Nd5 cd5 13.Rc1 Rc8 14.d3 Ng4 15.h3 Nh6 16.Be5 f6=) 11...e5 12.Nc6 Bc6 13.bc6 e4 14.f3 Nd3 15.Bc3 Nd5 16.fe4 Qh4=.

8.c4 Nc5 9.0-0 0-0 10.Ne5 A) 10...Be5 11.Be5 (11.d4 Na4 12.Qa4 Bd6 13.Nc3 a5 14.Rfc1 dc4 15.Bc4 Qd7 16.Ba3 Rfc8+=) 11...dc4 12.Bc4 a6 13.Nc3 ab5 14.Nb5 c6 15.Nd6 Ba6 16.Ba6 Na6+=; B) 10...a6 11.d4 (11.Nc6 Bc6 12.bc6 Be7 13.d4 Nce4 14.Nd2 Nd2 15.Qd2 dc4 16.Bc4 Qe8=) 11...Ncd7 12.Qc2 ab5 13.cb5 Ne4 14.f3 Nef6 15.Bd3 Ra5 16.Bc3 Ra7=.

8.c4 Nc5 9.0-0 0-0 10.Bf6 A) 10...gf6 11.Nc3 (11.a5 dc4 12.Bc4 ba5 13.d4 Nd7 14.Bd3 Bb4 15.Qc2 f5 16.Rc1 Rc8=) 11...dc4 12.Bc4 f5 13.d4 Ne4 14.Ne4 fe4 15.Nd2 Qh4 16.g3 Qg5+=; B) 10...Qf6 11.d4 (11.Na3 Ne4 12.cd5 ed5 13.d4 Nc3 14.Qc2 Ne2 15.Qe2 Rfe8 16.Rfc1 a6+=) 11...Ne4 12.cd5 Bd5 13.Bd3 Qh6 14.Ne5 Be5 15.de5 Nc5 16.Qe2 Rfd8+=.

6.a4 a6 7.c4 ab5 8.ab5 Ra1 9.Ba1 c5 10.d4 Be7 11.Bd3 dc4 12.Bc4 0-0 13.Nbd2 cd4 14.Bd4 Bc5 (14...Nbd7 15.0-0=) 15.Bb2 (15.Bc5 bc5 16.0-0 Nbd7+=) 15...Nd5 (15...Bb7!?=) 16.0-0 Ne3? (better 16...Nd7+=) 17.fe3+– Be3 18.Kh1 Bb7 19.Qc2 Nd7 (19...Bf4 20.Bd3 h6 21.Ne5 Be5 22.Be5+–) 20.Bg7! Kg7 21.Qc3 Nf6 (21...Qf6 22.Qe3 Kh8 23.Bd3 Bf3 24.Nf3+– (24.Qf3?! Qf3 25.Nf3 Kg7+–)) 22.Qe3 Nd5 23.Qe5 Qf6 24.Qg3 Kh8 25.Bd5 Bd5 26.Ne5 Qg7 27.Nd7 Rg8 28.Qg7 (28.Nb6?! Qb2 29.Ndc4 Bg2 30.Kg1 Qb5 31.Qc3 e5=) 28...Rg7 29.Rf2 f5 (29...Rg5 30.Nb6 Ba2 31.Rf7 Rb5 32.Nd7+–) 30.Nb6 Bb7 (30...Rb7 31.Nd5 ed5 32.Rf5 Rb5 33.h3+–) 31.Ndc4 f4 (31...Re7 32.Kg1+–) 32.Nd6 f3 (32...h5 33.Nbc4 Ba8 34.b6+–) 33.gf3 Bd5 (33...Kg8+–) 34.Nd5 ed5 1–0. DEFFM – GuestLWNJ, freechess.org, 2019.

6.a4 cb5 7.ab5 Be7 8.d4 (8.Nc3 0-0+=) 8...a6 (8...0-0 9.Bd3=) 9.Bd3 Bd7? (better 9...0-0!?+=) 10.0-0 (10.Ne5 0-0+–) 10...a5 11.c4 (11.Nbd2 Bc8+–) 11...dc4+– 12.Bc4 0-0 (12...Bc8 13.Ne5+–) 13.Ne5 Bc8 14.Qf3 Ra7 15.Nc3 Bb7 16.Qg3 (16.Qh3 Nfd7+–) 16...Qc7 (16...Nfd7 17.Nd3+–) 17.Na4+– Ne4 18.Qg4 Qd8 19.Nf7 Rf7 (19...Rf7 20.Qe6 Double attack (20.Qe6 Decoy); 19...Kf7 20.Qh5 Double attack (20.Qh5 Deflection)) 20.Be6 Nf6 (20...Bd5 21.Bf7 Kf7 22.Rfc1+–) 21.Bf7+= Kf7 22.Qe2 Bd6 (22...Nbd7!?=) 23.f3+– Qc7 (23...Bb4 24.e4+–) 24.g3 Kg8 (24...Bb4 25.e4+–) 25.e4+– Ne8 26.Rac1 Qf7 (26...Qd8+–) 27.Nb6 a4 (27...Nd7 28.Na4+–) 28.Nc8 Bc8 (28...Ra5 29.Bc3 Ra8 30.Nd6 Nd6 31.Bb4+–) 29.Rc8 a3 30.b6 Rb7 31.Ba3! Ba3 32.Qb5 (32.Ra1!? Bf8 33.Ra7 Ra7 34.ba7 Qa7 35.Qc4 Qf7 36.Qf7 Kf7 37.Rb8 Be7+–) 32...Kf8 33.Ra1 (33.Ra1 Qe6 34.Rd8+– (34.Ra3 Qc8 35.Ra7 Nd7 36.Qb4 Kg8 37.Qb3 Kh8–/+)) 1–0. Anonymous – Anonymous, lichess.org, 2020.

6.a4 Bd6 7.d4 (7.Bd3 c5=) 7...0-0 8.Nbd2 c5 (8...Bb7 9.Bd3=) 9.c4 (9.dc5 Bc5 10.Bd3 Nbd7=) 9...cd4 10.ed4 Bb4 (10...Nbd7 11.Be2=+) 11.Bd3 dc4 12.Bc4 Ne4 (12...Bb7 13.0-0=) 13.0-0 Nd2 14.Nd2 Bb7 15.Nf3 h6 (15...Qd6!?=) 16.Qb3 Be7 (16...Qd6 17.Ne5+–) 17.Ne5+– Nd7 (17...Bd6 18.Qg3+–) 18.Nf7 (18.Nc6 Bc6 19.bc6 Nf6+–) 18...Rf7+= (worse 18...Kf7 19.Be6 Ke8 20.Rfe1+–) 19.Be6 Qe8 20.Rac1 Bd6 (better 20...Nf6!?+=) 21.Ba3+– Ba3 22.Rc7 (worse 22.Bf7 Qf7 23.Qa3 Qd5=) 22...Kf8?? (better 22...Rd8 23.Rb7 Bd6+–) 23.Qa3 (better 23.Bf7!? Qf7 24.Qa3 Kg8 25.Rb7 Qd5+–) 23...Nc5 (23...Qe7 24.Qe3 Rf6 25.Bd7 Qe4+–) 24.Rf7 (24.Rf7 Qf7 A) 25.dc5?! Qe6 26.c6 Qe7 27.cb7 Rb8+– (27...Qa3 28.ba8Q Kf7 29.Qd5 Kf8 30.Re1 Qe7 31.Qa8 Kf7 32.Re7 Ke7 33.Qa7 Ke6 34.Qb6 Ke5 35.Qc5 Kf6 36.b6 Kf7 37.b7 h5 38.Qf5 Ke7 39.b8Q g5 40.Qbf8); B) 25.Bf7 Kf7 26.dc5+–) 1–0. DEFFM – gastori, freechess.org, 2020.

6.Nc3 Bd7 7.Be2 a6 8.ba6 Na6 9.0-0 c5 (better is 9...Bd6!?=+) 10.Ne5 c4 11.Nd7 Qd7 12.d3 b5 13.dc4 bc4 14.e4 d4 15.Nb1 e5 (15...c3!? 16.Bc1 Ne4=) 16.Bc4+= Ne4? (16...Qb7 17.Bc1 Nc7 18.f4+=) 17.Qf3 (better is 17.Qe2 Qb7 18.f3 Qb2 19.Qe4+–) 17...Nf6?? (better is 17...f5+=) 18.Qa8+– Ke7 19.Ba3 Nb4 20.Bb4 (20...Qd6 21.Bd6 Kd6 22.Qb8 Kc6 23.Nc3 d3 24.Bb5 Kc5 25.Qc7 Kb4 26.a3) 1–0. revrevrevrev – PROBALLS, Live Game Caissa's Web, 2004.

6.c4 dc4 7.Bc4 cb5 8.Bb5 Bd7 9.Bd7 Nbd7 (worse is 9...Kd7 10.Qa4 Kc8 11.0-0+/–) 10.0-0 Be7 11.Ne5 Ne5 12.Be5 0-0 13.d3 Nd5 14.Bb2 (14.d4 Rc8=) 14...Bf6 15.Bf6 Qf6 16.Nd2 Rac8 17.Ne4 Qe7 18.Qd2 a5 19.Rfc1 Rc7 20.Rc7 Nc7 21.d4 a4 22.Qd3 g6 23.Qb5?? (better is 23.Nc3+=) 23...Nb5–+ 0–1. Valpa – Leroy43, playchess.de, 2002.

6.bc6 Nc6 7.d4 a5 8.Bb5 Bd7 9.0-0 g6 10.a4 Bg7 11.Ne5 Ne5 12.de5 Bb5 13.ef6 Bf6 14.ab5 Bb2 15.Ra2 Bg7 16.Nd2 0-0 17.Nf3 Qd6 18.e4 e5 19.ed5 Qb4 20.Qe2 Rad8 21.c4 f6 22.Rb2 Qe7 23.Rd2 h6 24.Rfd1 g5 25.d6 Qb7 26.d7 Qb8 27.Rd6 g4 28.Nh4 Rc8 29.dc8Q Qc8 30.Ng6 Rf7 31.Rd8 Qd8 32.Rd8 Kh7 33.Qd3 f5 34.Nh4 e4 35.Qd5 a4 36.Nf5 Kg6 37.Rd6 Rf6 38.Ne7 Kh7 39.Qg8# 1–0. guest845 – guest306, ICC, 1999.

6.d4 a6 7.bc6 Nc6 8.c4=.

6.d4 cb5 7.Bb5= Bd7 8.Bd3 Nc6 9.0-0 Bd6 10.Nbd2 0-0 11.a3 h6 12.c4 dc4 (12...Rc8 13.Ne5=) 13.Nc4+= Be7 14.Rc1 Rc8 15.Bb1 Nd5 16.e4 Nc7? (16...Nf4!?+=) 17.Qd3 (better 17.d5!? Bc5 18.dc6 Bc6 19.Qc2+-) 17...b5+/- 18.Ncd2 a6? (better 18...Na6+/-) 19.d5+- ed5 (19...Ne8 20.dc6 Rc6+-) 20.ed5 Na5 (20...f5 21.dc6 Be6+-) 21.Qh7 1-0. zembelek (2080) - Iwanowich33 (2035), Rated Blitz game, lichess.org, 2014.

6.Ne5 Bd7 7.Nd7 Qd7 8.c4 Ne4 9.cd5 Qd5 10.f3 Ng5 11.Nc3 Qf5 12.h4 Bd6 13.hg5 Bg3 14.Ke2 a6 15.bc6 Nc6 16.Qa4 b5 17.d3 (17.Qe4 Kd7+–) 17...Rd8 (better is 17...ba4 18.Ne4 Be5–+) 18.Qe4+– Ne7 19.f4 e5 (19...h5 20.Qf5 Nf5 21.Ne4+–) 20.Kf3 f6 (20...b4 21.Kg3 bc3 22.Bc3 ef4 23.ef4 0-0+–) 21.gf6 Qf6 22.Kg3 Nf5 23.Kf2 Rf8 (23...0-0 24.Qe5 Qg6 25.Ne4+–) 24.Rh7 1–0. Pleschke,Helmut – Keelan,Martin_J, TGT, 1998. Also known as "Rajkovic,Danilo – Klein,Heinz, Beijing, 1998" in some sources. What is correct? (MT)

6.c4 0-0 (---> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd6 5.Nf3 0-0 6.c4 b6).

6.c4 c5 7.Be2= dc4 (7...0-0 8.0-0=) 8.Bc4 Bb7 9.0-0 Nbd7 10.d4 0-0 11.Nbd2 Qc7 (11...a6 12.ba6 Ba6 13.Qe2=) 12.h3 (12.dc5 bc5 13.Qc2 a6=) 12...Rac8 (12...a6 13.dc5 Bc5 14.Qe2=) 13.Rc1= Rfe8 14.a4 (14.dc5 Nc5 15.Bf6 gf6+=) 14...Ne4 (14...Qd8 15.Nb3=) 15.Be2 (15.Ne4 Be4 16.Nd2 Bb7=) 15...Qb8 (15...Red8 16.Nc4=) 16.Ne4 Be4 17.Nd2 Bb7 18.Bf3 (18.Nc4 Bd5=) 18...Bf3 19.Nf3 ½–½. Rongen – van den Heuvel, Amsterdam, 1995.

6.c4 Bc5 7.cd5 ed5 8.d4 Bd6 9.Bd3 0-0 10.0-0 (10.Ne5 a6 11.Na3 Qe7=) 10...Bg4 (10...a6!?=) 11.Nbd2+– Nbd7 12.Qc2 h6 (12...Qe7!?+–) 13.Ne5 Be6 14.a4 (better 14.f4 Ng4 15.Rf3+–) 14...Be5? (better 14...Qc8+–) 15.de5+– Ne8 (15...Nh5 16.Nb3+–) 16.Ba3 (better 16.Nb3!? g6+–) 16...Nc5? (better 16...Ne5 17.Bh7 Kh8 18.Bf8 Nf6 19.Bg7 Kg7+–) 17.Nb3 (17.Nb3 Nd3 18.Qd3+–) 1–0. GuestPYFN – GuestMTNV, freechess.org, 2019.

6.c4 Nbd7 7.Qc2 e5 (7...a6 8.cd5 ed5 9.Nc3=) 8.d4 (8.cd5 0-0+/-) 8...e4 (8...ed4 9.Nd4 (worse 9.ed4 0-0=+) 9...Ne5 10.cd5 Nd5 11.f4 Bb4 12.Nd2+=) 9.Nfd2 Ng4? (9...dc4 10.Ne4 Bb7 11.Nd6 cd6 12.Qc4+/-) 10.h3 (10.Ne4 Ngf6 11.cd5 Bb7+-) 10...Nh6 (10...Qh4 11.hg4 Qh1 12.cd5=) 11.cd5 (11.Ne4 Bb4 12.Bc3 Be7 13.cd5 f5+-) 11...Nf6 (11...f5 12.g4!+/-) 12.Nc3 (better 12.g4 Nfg8 13.Ne4 Bb4 14.Bc3+-) 12...Bf5? (12...Bb7 13.Bc4+-) 13.Nde4 (better 13.g4 Nhg4 14.hg4 Ng4 15.Nce4+-) 13...Ne4+/- 14.Bd3?? (better 14.Ne4 Bb4 15.Kd1 Qd5 16.Bd3+-) 14...Nc3-/+ 15.Bc3 Bd3 16.Qd3 Qf6 (16...Qg5 17.Qe4 Kd8 18.0-0-/+) 17.Qe4 Qe7 18.Qe7 Be7 19.0-0 Bd6 (19...f5 20.f3-/+) 20.e4=+ f6 (20...a6 21.a4=+) 21.e5 (21.Rfe1 0-0-0=) 21...fe5 (21...Be7!?=+) 22.de5= Be7 (22...Bc5=) 23.d6 (23.e6!? Rg8 24.Be5=) 23...cd6=+ 24.ed6 Bd6 (better 24...Bf8 25.Rfe1 Kd7 26.Bg7 Bg7 27.Re7 Kd6 28.Rg7 Nf5 29.Rd1 Ke6=+) 25.Bg7+/- Rg8? (better 25...Nf7!? 26.Bh8 Nh8+/-) 26.Bh6+- Kd7 (26...Kf7 27.Rad1 Rg6 28.Be3+-) 27.Be3 Be5 (27...Rac8 28.a4 Ke6 29.a5+-) 28.Rac1 Rg6 29.Rfd1 Ke7 (29...Rd6 30.f4 Bb2 31.Rd6 Kd6 32.Rc6 Kd5 33.g4+-) 30.Re1 (30.f4 Bb8 31.Rc8 Bf4 32.Ra8 Be3 33.Kh1 Kf6 34.Ra7 h5+-) 30...Rag8 (30...Kf7 31.Bb6! ab6 32.Re5+-) 31.g4 (better 31.Bf4 Rg2 32.Kh1 Rf2 33.Rc7 Kd6 34.Be5 Kd5 35.a4+- (worse 35.Rh7 Ra2 36.Rd7 Kc4+-)) 31...Rh6 (31...Re6+-) 32.Bf4 (better 32.Bh6 Kd6 33.Rc6 Kd7 34.Re5+-) 32...Rh3 33.Re5 Kf6 (33...Kd7 34.Rd5 Ke6 35.Rd6 Ke7 36.Rc7 Ke8+-) 34.Rc6 Kg7 (34...Kf7 35.Rf5 Ke7+-) 35.Rg5 Kh8 36.Be5 Rg7 37.Rc8 1-0. AhmedSultanov – JWIndiana, lichess.org, 2019.

6.d4 0-0 7.Bd3 Nbd7 8.Nbd2 Bb7 9.0-0 a6 10.a4 ab5 11.ab5 Ra1 12.Qa1 Qa8 13.Qc1 (13.Ne5 Rc8+=) 13...Qa2 (13...c6 14.Ne5=) 14.g3 (14.Ne5 Ra8+=) 14...Ra8 15.c4 Ba3 (15...dc4 16.Bc4 Qa4 17.Ne5=) 16.Ba3 Ra3?? (better 16...Qa3 17.Qc2 c5=) 17.Bb1+- Qa1 18.Nb3! Rb3 19.Bh7! Nh7 (19...Nh7 20.Qa1 Discovered attack; 19...Kh7 20.Ng5 Double attack (20.Qa1 Discovered attack; 20.Qc2 Decoy)) 20.Qa1 (20.Qa1 dc4 21.Nd2 Rb5 22.Qa7+- (22.Nc4?! Ng5 23.Rc1 Nf3 24.Kf1 Be4+-)) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.Be2 a6 7.a4 =.

6.Be2 Nbd7 7.c4 0-0 8.0-0 Bb7 (8...a6 9.cd5 Nd5 10.a4=) 9.a4 dc4 10.Bc4 (10.Na3!?+=) 10...Ng4–/+ 11.g3 (better is 11.Re1 Bf3 12.gf3 Nh2 13.f4–/+) 11...Nge5 (better is 11...Bf3!? 12.Qf3 Nh2 13.Kh2 Qh4 14.Kg2 Qc4–/+) 12.Ne5= Ne5 13.Be2 (13.Be5 Be5 14.d4 Bd6=) 13...f5 (13...c5!?+=) 14.d4 (14.Be5 Be5 15.d4 Qd5=) 14...Ng6 (14...Nf7 15.Bf3 Bf3 16.Qf3=) 15.Bf3 (15.Bc4 Qd7=) 15...Bf3 16.Qf3 Qg5 17.Qg2 (17.Nc3 a6=) 17...Rae8 (17...a6 18.Nc3=) 18.Nd2 Ne7 (18...a5 19.Nc4+=) 19.Nc4+= Nc8 (19...Nd5 20.Ba3 Rd8 21.f4=) 20.Rac1 (20.Rfc1 Rd8+=) 20...Rf7 (20...Ne7 21.Ba3 Ba3 22.Na3+=) 21.Rc2 (21.Qc6 Rd8+/–) 21...Rd7 (21...Ne7 22.f4 Qg6 23.Qb7+=) 22.Rfc1+/– Qd8 (22...Ne7 23.Qb7 Rdd8 24.Nd6 cd6 25.Qa7+=) 23.Qa8 c5 (23...Qe7 24.Nd6 Qd6 25.Qb7+/–) 24.Nd6 Rd6 25.Qf3 (25.dc5 Rd1 26.Kg2 Rc1 27.Rc1 Qe7+–) 25...Rd5 26.dc5 (26.Ba3+/–) 26...Ne7 (26...bc5!? 27.Rc5 Rc5 28.Rc5 Nb6+/–) 27.cb6 (27.c6 Qc7+–) 27...ab6+/– 28.Rc7 (better is 28.e4 Rd3 29.Qe2+/–) 28...Rd7? (better is 28...e5+/–) 29.Qb7+– Rc7 30.Rc7 Kf8 (30...Qd6 31.Bd4 e5+–) 31.Rd7 (31.Rd7 Qa8 32.Re7 Qb7 33.Rb7+–) 1–0. Mergel,Hans Werner – Kerstingl, 1979.

6.Be5 0-0 =.

6.g3 Bb7 7.Bg2 (7.Be5 Be5 8.Ne5 d4 9.Rg1 c5 10.c3 0-0 11.cd4 cd4 12.Qa4 de3 13.de3 a6 14.Nd2+=) 7...Qd7 (7...a6 8.a4 (8.Nc3= 0-0 9.a4 c6 10.0-0 e5 11.Ng5 h6 12.Nh3 Re8 13.bc6 Bc6 14.d4+=) 8...0-0 9.0-0 c6 10.Nd4 e5 11.Nf5 ab5 12.ab5 Ra1 13.Ba1 cb5 14.Nd6=; 7...0-0 8.a4 (8.0-0 a6 9.a4 c6 10.Nd4 ab5 11.ab5 Ra1 12.Ba1 c5 13.Nf3 Nbd7 14.d3+=) 8...a6 9.0-0 c6 10.Nd4 e5 11.Nf5 ab5 12.ab5 Ra1 13.Ba1 cb5 14.Nd6=) 8.a4 (8.Bf6 gf6 A) 9.a4 c5+= (9...a6 10.Nc3 Rg8 11.Rb1 Qd8 12.Nd4 c5 13.ba6 Ba6 14.Ndb5=) 10.Nc3 Rg8 11.a5 ba5 12.Ra5 a6 13.ba6 Nc6 14.Ra2=; B) 9.Nc3 a6 10.a4 Rg8 11.Rb1 Qd8 12.Nd4 c5 13.ba6 Ba6 14.Ndb5=) 8...0-0 (8...Qe7 9.a5= (9.0-0 a6 10.Nd4 0-0 11.Qf3 Nbd7 12.d3 ab5 13.ab5 Ne5 14.Qe2+=) 9...ba5 10.Ra5 0-0 11.Nc3 a6 12.0-0 Nbd7 13.Qe2 ab5 14.Ra8=) 9.d4 (9.Bf6 gf6 10.Nc3 c5 11.h3 a6 12.ba6 Na6 13.Nb5 Be7 14.d4=). Spiegel,M – Scott, corr SOK–88–21, 1988.

7.Qc2 ab5 8.cb5 Bb7 9.Be2 (9.Bd3 c5=) 9...Nbd7 (9...0-0 10.0-0+=) 10.0-0 0-0 11.Rc1 Rc8 12.Nd4 Nc5 13.Nc6 (13.a4 Ra8=) 13...Bc6 14.bc6 Ra8 15.d4 Na6 16.Nd2 h6 17.a4 (17.Qd1 Re8=) 17...Bb4 (17...Nb4 18.Qb3=) 18.Ba3 (18.Rcb1 Qe7=) 18...Ba3 (18...Qd6 19.Bb4 Nb4 20.Qc3=) 19.Ra3 Qd6 20.Qb3 (20.Qc3 Nb4=) 20...Qb4 (20...Nb4 21.Bb5=) 21.Qb4+= Nb4 22.Bb5 Nh7? (better is 22...Ne4 23.Ne4 de4+=) 23.Rb1+– Na6 24.a5 Nb8 25.a6 The passed pawn on a6 will become decisive later 25...Ra7 26.Nf3 f6 27.Re1 (27.Kf1 Kf7+–) 27...Rd8 (better is 27...Kf7+/–) 28.e4 (better is 28.Kf1+–) 28...de4= 29.Re4 Kf7 30.Re1+/– Rd6 31.Rc3 Nf8 32.Rd1 Ng6 33.g3 Ne7 34.Rdc1 Nd5 35.Rc4 Ne7 36.Kf1 Rd5–/+ 37.Rb4 Rd6?? 38.Ke2 Nbc6 39.Rbc4+/– Na5 40.Rc7+– Rc7 41.Rc7 Rd8 42.Nd2 Rc8? 43.Rc8 Nc8+/– 44.Nc4 Nc4 45.Bc4 Na7 46.f4 g6 47.g4 Ke7 48.Kf3 Kd6 49.h4 g5 50.h5 e5?? 51.fe5?? fe5+= 52.d5 b5 53.Bb3 b4 54.Ke4 Nb5 55.Bc4 Na7 56.Kf5 Nc8 57.Kg6 e4 58.Kh6 e3 59.Kg5 b3 60.Kf4 e2 61.Be2+– (61.Be2 Ne7 62.a7 Nd5 63.Kf5+–) 1–0. Ringsborg,Allan – Hansen,Erik Friberg, Politiken Cup, 2004.

7.Qc2 Bd7 8.Nc3 =.

7.Be5 =+.

7.Nc3 0-0 8.cd5 ed5 9.Bd3 a6 10.a4 (10.0-0 Re8=) 10...a5 (10...c5!?=) 11.0-0+= Nbd7 12.Bf5 Ne5 (12...Qe7 13.Rc1=) 13.Ne5 Be5 14.f4 Bd6 15.Qf3 Rb8 16.Qh3 g6 17.Bc2 Bc5 (17...Re8 18.f5 Be5 19.d4+=) 18.Ne2 (18.f5 d4 19.fg6 fg6+=) 18...Nh5 (18...Re8 19.Nd4+=) 19.g4 (19.f5 Qd6+–) 19...Ng7+= 20.f5 f6?? (better 20...Qd6+=) 21.fg6+– hg6 (21...h5 22.gh5 Bc8 23.Qh4+–) 22.Bg6 Qe7 (22...Nh5+–) 23.Qh7 1–0. GuestZSNL – GuestHJZB, freechess.org, 2019.

7.cd5 ed5 8.Nd4 Bc8 =.

7.cd5 Bd5 8.Nc3 Bb7 9.Bc4 (9.d4 a6=) 9...0-0 (9...a6 10.0-0=) 10.0-0 Nbd7 (10...a6 11.d3=) 11.d4 Re8 (11...a6 12.a4=) 12.Qe2 Bf8 (12...c6!?=) 13.Ne5+= Ne5 (13...Bd6 14.Rfd1+=) 14.de5 Opening the d–file gets White a lot of play 14...Nd5 (14...Nd7 15.Rad1+=) 15.Nd5 Bd5 16.Rfd1 Bc4 17.Qc4 Qe7 18.Rac1 Attacking the backward pawn on c7 18...Rec8 19.a4 Qb4 (19...Qe8 20.Qc6 Qc6 21.Rc6+/–) 20.Qc2 (20.Qb4!? Bb4 21.Rd7+/–) 20...a6 (20...c6 21.bc6 Bc5 22.Bd4 Rc6 23.Rb1+=) 21.Rd4+= Qe7 22.Qc6 ab5 23.ab5 Ra2 24.Rd7 The pressure on the backward pawn c7 grows 24...Qb4 (24...Qh4 25.g3 Qh5 26.Bd4+=) 25.Bd4+/– Qd2 26.Rf1 Qe2 27.Qb7 Raa8 28.Rc7 Qb5?? 29.Rf7 Qa6 30.Bb6 Qb5?? 31.Bd4+– Qe2 32.Rf3 (32.Rf3 Qc4 33.Qf7 Kh8 34.Rf4+–; 32.Rc7 Rc7 33.Qc7 Qg4+–) 1–0. Grott,Peter – Peetoom,Frank, DESC, 2000.

7.Be2 dc4 8.Na3 =.

7.Be2 Nbd7 8.0-0 0-0 9.Qc2 (9.cd5 Nd5 10.d4 a6=+) 9...Re8 (9...a6 10.cd5 Nd5 11.a4=+) 10.a4 (10.cd5 ed5 11.Ba3 Nb8=) 10...a5 11.Nc3 (11.d4 dc4 12.Nbd2 Bd5=) 11...Bb4 (11...dc4 12.h3=+) 12.d3 (12.cd5 ed5 13.Rac1 Rc8+=) 12...Nc5 (12...dc4 13.Rad1=) 13.Na2 (13.cd5 Nd5 14.Na2 Nd7+/–) 13...Qd6 (13...dc4!? 14.Nb4 ab4 15.Qc4 Na4=) 14.Be5 Qe7 15.d4 Nce4 16.cd5 Bd6 17.de6 Qe6 18.Bc4 Bd5 (18...Qg4 19.h3 Qg6 20.Bd3+/–) 19.Bd5 Qd5 20.h3 (20.Rac1 Ba3 21.Rcd1 Bd6+/–) 20...Rac8 21.Rfd1 (21.Nc3 Nc3 22.Qc3 Nd7+/–) 21...c5 (21...c6 22.Rac1 Ba3 23.bc6 Bc1 24.Rc1+=) 22.Bd6 (22.dc5 Qc5 23.Qc5 A) 23...Rc5 24.Bd6 (24.Rd6?! Nd6 25.Bd6 Rc4+–) 24...Rc2 25.Nd4+–; B) 23...Bc5+/–) 22...Qd6+= 23.dc5 Qc5 (23...Rc5 24.Qd3 Qd3 25.Rd3=+) 24.Qc5+/– Rc5 25.Nd4 Rc4 26.Rdc1 Ra4= 27.Rc2 Nc5 28.Rac1 g6 29.Nc3 Rc4? 30.Nd5!+– Nd5 31.Rc4 a4 32.Nc2 Ra8 33.Na3 Nc7 34.Rc5 bc5+/– 35.Rc5 Ne6 36.Rc6 Kf8 37.b6 (37...Rb8 38.Kf1+/–) 1–0. Sternik,Ryszard – Blazynski,Jerzy, Olsztyn, 1990.

7.Nc3 0-0 8.Bc4 Bb7 9.0-0 Nbd7 10.a4 c6 (10...c5 11.bc6 Bc6 12.Nb5=) 11.bc6 Bc6 12.Nb5 Bb5 (12...Bb4 13.d3=) 13.ab5+= Bc5 (13...Ng4 14.Qe2+=) 14.d4 Be7 (14...Bd6 15.Qa4+=) 15.Rc1 (15.Qe2 Re8+–) 15...Ne4 (15...Bd6 16.Ne5+–) 16.Qb3 (16.d5 Ndc5 17.de6 fe6 18.Nd4+–) 16...Bf6? (better 16...Ndf6+–) 17.Be6!+– fe6 18.Qe6 Kh8 19.Qe4 Nc5 (19...a6 20.ba6 Ra6 21.Rfd1+–) 20.dc5 Bb2 21.Rc2 Ba3 (21...Bf6 22.c6 Qc7 23.Qf5+–) 22.c6 Bc5 (22...Bd6 23.Qh4 a5 24.Qd8 Rfd8 25.Rd2+–) 23.Rd2 Qc7 (23...Qf6+–) 24.Ng5 g6 25.Rd7 Qc8 (25...Rae8 26.Rc7 Re4 27.Ne4 Ba3+–) 26.Rh7 Kg8 27.Qg6 1–0. Rooijen Van,Peter (1610) – Lombardi,Donato, 52. LSS No Engine Cup Preliminary, 2011.

7.Bc4 0-0 8.0-0 Bb7 9.Nc3 Nbd7 10.d4 c6 11.Rc1 (11.h3 a6 12.bc6 Bc6+=) 11...cb5 (11...c5 12.d5 ed5 13.Nd5=) 12.Nb5+= Qe7 (12...Be7!?+=) 13.Nd6+– Qd6 14.Qb3 (14.Qa4 Rfc8+–) 14...Rfc8 15.Ba3 Qb8 16.Nd2 (16.Bb5 Bf3 17.gf3 Qb7+=) 16...Ng4 (16...Bd5!? 17.Qd3 Bc4 18.Nc4 Rc6+–) 17.f4+– Ndf6 18.h3 Nh6 (18...b5 A) 19.hg4?! bc4 20.Nc4 A1) 20...Ng4?? 21.Bd6 Bg2 22.Bb8 (22.Qb8?! Rab8 23.Kg2 Rb5+–; 22.Kg2?! Qb3 23.ab3 Rc4 24.bc4 Ne3 25.Kf3 Nf1 26.Rf1 a5+–) 22...Bf1 23.Kf1 Rab8 24.Qa3+–; A2) 20...Bd5+=; B) 19.Bb5?! Rc1 20.Rc1 Bd5=; C) 19.Be2 Rc1 20.Rc1+–) 19.g4 Nd5 (19...Bd5!? 20.Bd5 Nd5 (20...ed5?? 21.g5+–) 21.Rc8 Qc8+–) 20.e4+– Nc7?? (better 20...b5 21.Bb5 Rc1 22.Bc1 Nf4+–) 21.g5 b5 22.Bd3 (22.gh6?! bc4 23.Rc4 Ba6+–) 22...Nf5 (22...Be4 23.Be4 (23.gh6?! Bd3 24.Qd3 b4+–) 23...Nf5 24.Qd3+–) 23.ef5 ef5 (23...Rd8 24.Nf3 Bf3 25.Rf3+–) 24.Bd6 Be4 (24...Ba6 25.Bf5 Qb6 26.Bc8 Qd4 27.Rf2 Qd6 28.Rc7 Qc7 29.Ba6+–) 25.Ne4 fe4 26.Be4 (26.Be4 Qb6 27.Bc5+–) 1–0. Pierre – Marjami, internet, 2020.

7.Bc4 0-0 8.0-0 Bb7 9.d3 Nbd7 10.Nbd2 Nc5 11.e4 Nh5 12.e5 Be7 13.d4 Nd7 14.Qc2 f5?? (better is 14...Nf4=) 15.Be6+– Kh8 16.Bf5 Nf4 (16...a6 17.a4+–) 17.Bh7 Bf3 (17...a6 18.Be4 Nd5 19.Qb3+–) 18.Nf3 (18...a6 19.Be4+–; < 18.gf3 Ba3 19.Kh1 Bb2 20.Qb2 Kh7 21.Qc2 Kh8=+) 1–0. orane (2175) – smiley, Live Game Caissa's Web, 2004.

7.Bc4 0-0 8.0-0 Nbd7 9.d4 (9.Nd4 Bb7=) 9...Bb7 (9...a6 10.a4=) 10.Nbd2 (10.Qe2 Rc8=) 10...h6 (10...c6 11.a4=) 11.Qc2 a6 (11...c6 12.a4=) 12.a4 ab5 (12...c5 13.ba6 Ba6 14.Rfd1=) 13.ab5+= Ra1 (13...c5 14.bc6 Bc6 15.Ra8 Qa8 16.Ra1+=) 14.Ra1 Bb4 (14...c5 15.bc6 Bc6 16.e4+–) 15.e4+– Bd2 (15...Qb8 16.Bd3+=) 16.Nd2 Qe7? (better 16...c6+–) 17.Ba3+– Nc5?! (17...Qd8 18.Bf8 Nf8+–) 18.dc5 bc5 19.Bd3 (19.Bf1 Rd8+–) 19...e5 (19...Ra8+–) 20.Bc5 (20.Bc5 Qe6 21.Bf8 Kf8 22.Qc7+–) 1–0. DEFFM – guestJOZ, freechess.org, 2018.

7.Bc4 0-0 8.0-0 Re8 9.d4 Nbd7 10.a4 e5 11.Ng5 Re7 12.de5 Be5 13.Be5 Bb7 14.Bf6 gf6 15.Nh3 Ne5 16.Be2 Rd7 17.Qb3 Bd5 18.Qc2 Qe7 19.Nc3 Nc4 20.Nd5 Qc5 21.Nf6 Kg7 22.Nd7 Qd5 23.Qh7 Kh7 24.Nf6 Kg7 25.Nd5 Nd2 26.Rfd1 1–0. Trkn – apsuk, itsyourturn.com, 2000.

7.Bc4 h6 8.0-0 0-0 9.d4 Bb7 10.a4 Nbd7 11.Nbd2 Nd5 12.e4 Ne7 (12...Nf4 13.g3 Nh3 14.Kg2+=) 13.Qb3+/– a5? (13...Ng6 14.g3+/–) 14.Qe3?? (better is 14.ba6 Ba6 15.e5+–) 14...Bb4 15.Rfc1 Ng6 16.Bd3 Rc8 17.Nc4 Ne7 18.Nce5 Bd6 19.Nc6 Bc6 20.bc6 Nb8 (20...Nf6 21.h3+/–) 21.d5 (21.Bb5 Bb4+–) 21...ed5 (21...Bc5!? 22.Qe1 Bb4+/–) 22.ed5 Nd5? (22...Bc5 23.Qe4 f5+–) 23.Qe4 g6 24.Qd4 (24.Qd5?? Bh2 25.Kh2 Qd5–+) 24...f6 (24...Nf6 25.Qf6 Qf6 26.Bf6 Rfe8+–) 25.Qd5 Kg7 (25...Kh7 26.Qb3 Qe7 27.Qc2+–) 26.Qc4 Qe8 (26...Bc5 27.Rd1 Qe8 28.Nh4+–) 27.Nh4 g5 28.Qg4 (better is 28.Nf5!? Kh8 29.Nd6 cd6+–) 28...Be5 29.Qf5 Rh8 30.Ng6 Rg8 (30...Bb2 31.Nh8 Qh8+–) 31.Ne5 Na6 (31...Rd8 32.Qh7 Kf8 33.Ba3 Rd6 34.Bd6 cd6 35.c7 Rg7 36.Qh8 Ke7 37.Qe8 Ke8 38.c8Q Ke7 39.Rc7 Nd7 40.Qd7 Kf8 41.Rc8) 32.Qh7 (32.Nd7 Qe4 33.Qe4 Kf7 34.Bc4 Kg7 35.Bf6) 32...Kf8 33.Nd7 Qd7 34.cd7 Rd8 35.Bf6 Ra8 (35...Rd7 36.Qd7 Rg6 37.Bg6 Nc5 38.Qf7) 36.Qe7 1–0. pumpkin – pillsbury (2185), net–chess.com, 2015.

7.0-0 a6 8.a4 c5 (8...Bb7 9.Na3=) 9.c4 (9.Na3 Nbd7=) 9...Nbd7 (9...Bb7 10.Na3=) 10.d4 (10.Nc3 Qe7=) 10...Qc7 (10...Bb7 11.Na3=) 11.Nbd2 (11.dc5 Bc5 12.cd5 Nd5=) 11...Bb7 (11...cd4 12.ed4 ab5 13.cb5=) 12.g3 (12.dc5!? bc5 13.Qc2=) 12...ab5+= 13.ab5 (13.dc5 bc5 14.ab5 Ra1 15.Ba1 Ra8+=) 13...Ra1 14.Ba1 Ne4 (14...Rc8 15.cd5 Bd5 16.dc5 Qc5 17.Qb1+=) 15.Ne4 (15.cd5 Bd5 16.Ne4 Be4=) 15...de4 16.Nd2 cd4 17.Bd4 (17.ed4 Ra8+=) 17...e5 18.Bb2 (18.Bc3 f5+=) 18...f5 19.Qc2 Nf6 (19...Nc5 20.Ra1+=) 20.f4 (20.Rd1 Rd8+=) 20...ef4–/+ 21.gf4 Bc5 22.Qb3 (22.Bd4–/+) 22...Nd7 (22...Rd8 23.Nb1 Rd3 24.Bd3 Be3 25.Kg2 ed3 26.Kh3 Qf7 27.Qd1 Qg6 28.Rg1 Bg1 29.Bd4 Qg2 30.Kh4 g5 31.fg5 Qh2) 23.Qc3= Threatening mate... how? 23...Rf6 24.Nb3 Be7 25.Rf2 Rg6 26.Rg2 Bf6 27.Qc2 Qd6 28.Nd4 Rg2+= 29.Kg2 g6 30.Nb3?? g5?? 31.Bf6 Qf6 32.c5+= bc5 33.Nc5 Nc5 34.Qc5 gf4 35.ef4 e3= 36.Kh3 Qh6 37.Kg3 Qg6 38.Kh4 Qf6 39.Kg3 Qg7 40.Kh4 ½–½. Schwichtenberg,Juergen (1910) – Mueller,Waldemar (2115), VII Camp. europeo senior, 2007.

7.0-0 Qe7 8.a4 a6 9.c4 (9.Nc3 a5=) 9...Bb7 10.d4 (10.Nc3 dc4 11.Bc4 ab5 12.ab5 Ra1 13.Qa1 Ng4=) 10...c6 (10...ab5 11.ab5 Ra1 12.Ba1=) 11.Nbd2 cb5 12.ab5 ab5 13.Ra8 Ba8 14.cb5 Nbd7 15.Qa4 e5 (15...Rc8 16.Qa6 Qf8 17.Rc1 Rc1 18.Bc1=) 16.de5+= Ne5 17.Qa1 (17.Ne5 Be5 18.Be5 Qe5+=) 17...Nfd7 (17...Nf3 18.Nf3 Bb7 19.Bf6 Qf6 20.Qa7=) 18.Rc1 (18.Ne5 Be5 19.Be5 Qe5 20.Qe5 Ne5+=) 18...Nf3+= 19.Nf3 f6 (19...f5!?+=) 20.Nd4+/- Be5? (20...Bc5!? 21.Qa7 g6+/-) 21.Qa7+- Qb4?? (better 21...Bb8 22.Qa6 Qe5+-) 22.Ba3 Qd2 (22...Qa5 23.Qa5 ba5 24.Bf8 Nf8+-) 23.Qd7 Bd4 24.Rc7 f5 (24...Qe1 25.Bf1 Qf2 26.Kf2 Be3 27.Ke2 Bh6 28.Qf7 Rf7 29.Rc8 Rf8 30.Rf8) 25.Qf7!! Rf7 (25...Rf7 26.Rc8 Mate attack) 26.Rc8 Rf8 27.Rf8 1-0. DEFFM – GuestJDZS, freechess.org, 2021.

7.a4 Bb7 8.0-0 c5 9.d3 Nbd7 10.Nbd2 a6 11.c4 h6 (11...ab5 12.ab5 Ra1 13.Qa1=+) 12.Qc2= Qc7 13.h3 Rad8 14.Bc3 a5 15.Rad1 Rfe8 16.Rfe1 Qb8 17.Bb2 Ne5 18.Rc1 Rd7 19.d4 Nf3 (19...cd4 20.Ne5 Be5 21.Nf3 dc4 22.Ne5 Qe5 23.Bd4–/+) 20.Bf3= Rc8 21.Red1 cd4 22.Bd4 Ba3 23.Rb1 Bb4 24.Bb6 dc4 25.Bd4 (25.Nc4? Bf3 26.gf3 Rd1 27.Rd1 Qb6 28.Nb6 Rc2 29.Rd8 Kh7–+) 25...Bd2 26.Bb7 (26.Qd2? Bf3 27.gf3 e5 28.Qa5 ed4 29.Rd4 Rd4 30.ed4 c3–+; 26.Rd2?! Bf3 27.gf3 c3 28.Bc3 Rdc7=) 26...Qb7 27.Bf6 (27.Qd2? e5 28.Qa5 ed4 29.Rd4 c3–+) 27...Be3 28.Rd7 Qd7 29.Rd1 Qc7 30.Bc3 Bb6 31.Qe2 Qf4 32.Qe1 Qg5 ½–½. forsetinn (2325) – pikejohn (2155), gameknot.com, 2014.

8.c4 c5 9.d3 Be7 10.Nbd2 Nbd7 11.a4 Qc7 (11...a6 12.d4=) 12.d4 (12.cd5 ed5 13.Qb3 Rfe8=) 12...Rfc8 13.Rc1 Qd8 (13...a6 14.ba6 Ba6 15.Bd3+=) 14.Ne5 (14.Bd3 a6=) 14...Ne5 (14...cd4 15.Bd4 Ne5 16.Be5=) 15.de5 Nd7 (15...Ne4 16.Ne4 de4 17.Qc2=) 16.cd5+= Bd5 17.e4 (17.Qc2 Qc7 18.Bd3 Ne5 19.Bh7 Kh8=) 17...Bb7 18.Qc2 Qc7 (better is 18...a6+=) 19.Bg4 (better is 19.Nc4!?+=) 19...Ne5–/+ 20.Bf3 (20.Be2 a6+=) 20...Nf3 21.Nf3 Rd8 (21...a6 22.Be5 Bd6 23.Bd6 Qd6 24.Rcd1–/+) 22.Qc3 (22.Rfe1 a6–/+) 22...Bf6 23.e5 Be7 24.Qe3 h6 (24...Qd7 25.Qe2–+) 25.Rc4 (25.Rfd1 a6–/+) 25...Rd7 (25...a6 26.Rg4 Kf8 27.ba6 Ra6 28.Ne1–+) 26.Rfc1 (26.Rg4 Kh8–/+) 26...Rad8–+ 27.Ne1 Ba8 (27...Bg5 28.f4 Be7 29.R4c3–+) 28.Rg4–/+ Kh8 (28...Bg5 29.f4 Be7 30.Qh3–/+) 29.Qg3 Rg8 (29...Bf8 30.Bc3–/+) 30.Nd3 (30.Nc2 Qd8 31.Ne3 Bg5–/+) 30...Qd8 (30...Bg5 31.Rg5 Qd8 32.Rh5 Rd3 33.Qg4–/+) 31.Rd1 Rd5 (31...Bd5 32.Ne1–/+) 32.Bc1 (32.Rf4 Qc7 33.Re1 Bg5–/+) 32...Rd4–/+ 33.Rd4 cd4 (33...Qd4 34.Nb2 Qe4 35.f3–/+) 34.Qh3 (34.Qf4 Qd5 35.Ne1 Qa2 36.Qd4 Qe2–/+) 34...Bg5 (34...Be4 35.Qh5 Qc7 36.Qe2–/+) 35.f4 (35.Qg4 f5 36.ef6 Bf6 (worse is 36...Qf6 37.Bg5 Qg5 38.Qg5 hg5 39.Ne5+/–) 37.Qe6 Qc8=) 35...Bh4+= 36.f5 (36.Nb4 Be7 37.Nc6 Bc6 38.bc6 Qc7–/+) 36...Bg5 (36...ef5!? 37.Qf5 Qd5–/+) 37.fe6= fe6 38.Qe6 (better is 38.Qg4=) 38...Re8?? (better is 38...Bc1 39.Rc1 Qg5+=) 39.Bg5+/– hg5 (39...Re6?? 40.Bd8 Re8 41.Bc7+–) 40.Qh3 (40.Qg4 Bd5+/–) 40...Kg8 ½–½. Fischbach,Rainer (1870) – Kuersten,Susanne, Leipzig VfB op, 2009.

8.d4 Re8 9.Ba3 A) 9...c5 10.bc6 (10.dc5 bc5 11.Bb2 e5 12.Nbd2 Qc7 13.Nh4 Bc8 14.c4 d4 15.Qc2 e4+=) 10...Nc6 11.Bd6 Qd6 12.Nc3 a6 13.Na4 Nd7 14.Rb1 b5 15.Nb2 Rac8=; B) 9...a6 10.Bd6 (10.Bd3 ab5 11.Bd6 Qd6 12.Bb5 c6 13.Bd3 Nbd7 14.Nbd2 c5 15.c4 cd4+=) 10...Qd6 11.Nc3 c6 12.a4 Rc8 13.Na2 cb5 14.ab5 ab5 15.Qb1 Ra5=.

8.d4 Re8 9.a4 A) 9...c6 10.Ba3 (10.Qd3 a6 11.Nbd2 Qc7 12.Ba3 c5 13.dc5 bc5 14.Rfb1 ab5 15.ab5 Nbd7=) 10...a6 11.Bd6 Qd6 12.bc6 Nc6 13.Nbd2 Rac8 14.Rb1 Ne4 15.Ne4 de4=; B) 9...a6 10.Qd3 (10.Ne5 c6 11.c4 dc4 12.Nc4 Bc7 13.Ne5 ab5 14.ab5 Ra1 15.Ba1 cb5=) 10...ab5 11.ab5 Ra1 12.Ba1 c6 13.Na3 Qc7 14.Bb2 Nbd7 15.bc6 Bc6=.

8.d4 Re8 9.Nbd2 a6 (9...c6 10.c4 (10.Ne5 a6 11.c4 ab5 12.cb5 Qc7 13.Ndf3 Ne4 14.Qb1 Rc8 15.Rc1 c5=) 10...cb5 11.cb5 a6 12.Ne5 Nbd7 13.a4 Qb8 14.Ndf3 Rc8 15.Bd3 ab5=) 10.a4 (10.c4 ab5 11.cb5 c6 12.Ne5 Qc7 13.Ndf3 Ne4 14.bc6 Nc6 15.Bb5 f6+=) 10...ab5 (10...c6 11.c4 cb5 12.ab5 ab5 13.Ra8 Ba8 14.cb5 Bb7 15.Qb3 Ne4=) 11.ab5 Ra1 12.Ba1 (12.Qa1 c6 13.bc6 Nc6 14.Ba3 Ne4 15.Bd6 Qd6=) 12...Nbd7 (12...c6 13.Qb1 cb5 14.Bb5 Bc6 15.c4 Qc7=) 13.c4 Qa8 (13...Qe7 14.Ne5 Ra8 15.Nc6 Bc6=) 14.Bc3 Qa7 (14...c5 15.bc6 Bc6=) 15.Qa1 (15.Qc2 c6+=) 15...Ra8 16.Qa7 Ra7 17.Ra1 Ra1 18.Ba1 dc4 19.Nc4 Bb4 20.Nfe5 Kf8 21.Kf1 Ke7 22.Bd3 g6 23.f3 Ne5 24.Ne5 Nd7 25.Nd7 ½–½. Hal1958 – Mrchess, playchess.de, 2005.

8.d4 Re8 9.Qd3 A) 9...c6 10.a4 (10.Na3 a6 11.bc6 Nc6 12.c4 Na5 13.Ne5 Rc8 14.Rac1 dc4 15.Nac4 Be4=) 10...a6 11.Nbd2 Nbd7 12.bc6 Bc6 13.Rfb1 Qc7 14.Ba3 Ba3 15.Ra3 Rec8=; B) 9...a6 10.a4 (10.Na3 Nbd7 11.Rfc1 Ba3 12.Ba3 ab5 13.Qb3 Ba6 14.Bb2 c6 15.Rcb1 Ne4+=) 10...ab5 11.ab5 Ra1 12.Ba1 c6 13.Na3 Qc7 14.Bb2 Nbd7 15.bc6 Bc6=.

8.d4 Re8 9.Bd3 A) 9...a6 10.a4 (10.Ba3 ab5 11.Bd6 Qd6 12.Bb5 c6 13.Bd3 Ba6 14.Qe2 Bd3 15.Qd3 Nbd7+=) 10...ab5 11.ab5 Ra1 12.Ba1 Nbd7 13.Nbd2 Qe7 14.Ne5 Ra8 15.Qf3 Bb4=; B) 9...c6 10.Ba3 (10.a4 a6 11.Ba3 c5 12.dc5 bc5 13.Nbd2 e5 14.Ng5 e4 15.Be2 Qc7–/+) 10...a6 11.Bd6 Qd6 12.bc6 Nc6 13.a3 Rec8 14.Nbd2 Qc7 15.Nb3 Ra7=.

8.Be5 a6 =.

8.Ne5 a6 9.a4 +=.

8.Ne5 Nbd7 9.f4 a6 10.a4 ab5 (10...Qe7 11.Bd4=) 11.ab5 Qe7 12.Nc6 (12.Ra8 Ra8 13.Bd4 Bc5=) 12...Qe8 (12...Bc6 13.bc6 Ra1 14.Ba1=) 13.Ra8 Qa8 14.Ne5 Rd8 (14...d4 15.Bd4 Bg2 16.Rf2=) 15.d4 (15.Bh5 Rf8+=) 15...c6 (15...c5 16.bc6 Bc6 17.Qd3=) 16.bc6 Bc6 17.Nc3 (17.Qd3 Rc8=) 17...Ne4 (17...Bb4 18.Bd3=) 18.Ne4+= de4 19.Nc4 (19.Qe1 Ba4 20.c4 f6 21.Nd7 Bd7+=) 19...Bc7 (19...Bb4 20.c3 Be7 21.Ne5=) 20.Qd2 Qb7 (20...b5 21.Ra1 Qb8 22.Na5=) 21.Qb4+= Nf6 22.Ra1 (22.Ne5 Bd6 23.Qb3 Ra8 24.Nc6 Qc6+=) 22...Nd5= 23.Qb3 Ra8 24.Ra8 (24.Ne5 Ra1 25.Ba1 Qa8 26.Nc6 Qa1 (worse is 26...Qc6 27.Bb2+=) 27.Kf2 Bf4 28.ef4 e3 29.Kf3 Qe1 30.Ne7 Ne7 31.Qe3 Nf5–/+) 24...Qa8 25.Kf2 Qd8 26.g3 Qe8 27.Ba3 Ba4+= 28.Qb2 Qc6 29.Bf1 f6 30.Be2 b5 31.Nd2 Nc3 32.Qb4 Threatening mate: Qf8 32...h6 33.Qf8= Kh7 34.Qf7 Bd6+/– 35.Bd6 Qd6 36.Bh5 Do you see the mate threat? 36...b4 37.Nc4 Qd8= 38.Bg6 Kh8 39.Qe6 The passed pawn on d4 will quickly become a dangerous weapon 39...Qg8 40.f5 Bc2+= 41.Nd6 The mate threat is Nf7 41...Qf8? 42.Nf7+– Kg8 43.Nh6 Kh8 44.Nf7 Kg8 45.Ke1 b3 46.Nd6 Kh8+/– 47.Nc4 Nd1 48.Qb6 Nc3 49.Qb7 Na4 50.Kd2 Qd8 51.Kc1 Nc3 52.Nd6 Threatening mate: Nf7 52...Qf8 53.Kd2 Na2 54.h4 Kg8 55.h5 (55.h5 Nc3 56.h6 Bd3 57.h7 Kh8 58.Nf7 Qf7 59.Qc8 Qe8 60.Qe8#; 55.Ne4?! Qb4 56.Qb4 Nb4+/–) 1–0. Diepstraten,Leonardus CM – Klein, corr Belgium, 1985.

7.0-0 c5 8.c4 Qc7 9.g3 (9.cd5 Nd5 10.e4 Nf4=) 9...h6 (9...e5 10.d4 cd4 11.ed4=) 10.d3 (10.Bf6 gf6 11.cd5 Bd5=) 10...Nbd7 11.Nbd2 0-0-0 (11...0-0!?+=) 12.Qc2 (12.a4 d4 13.ed4 cd4 14.Nd4 Nc5+/–) 12...e5 13.cd5 Bd5 14.e4 (14.a4 Kb8+=) 14...Bb7 (14...Be6 15.Nc4=) 15.Nc4 (better is 15.a4+/–) 15...Nf8? (better is 15...g5+=) 16.Nd6+– Qd6 17.Ne5 Qe7 18.Bf3 (18.a4!? N8d7 19.f4 Ne5 20.Be5 Kd7+–) 18...Ne6+/– 19.Bg2 Kc7 (19...Nd4 20.Bd4 Rd4 21.Nf3+/–) 20.h4 (20.Qc4!?+–) 20...Nd4 21.Qc4?? (better is 21.Bd4 Rd4 22.f4+/–) 21...Qe5–+ 22.Bc3?? (better is 22.Qf7 Rd7 23.Qb3–+) 22…Ne2 (22...Ne2 23.Kh2 Qc3 24.Qf7 Kb8–+) 0–1. Satka,Martin – Stankiewicz,Andrzej, Brandenburg op Seniors, 2004.

7.0-0 c6 8.c4 dc4 9.Bc4 0-0 10.Nc3 cb5 (10...a6 11.a4=) 11.Bb5 (better is 11.Nb5!? Be7 12.Rc1+=) 11...a6+= 12.Be2 Ng4 (12...b5 13.a3+=) 13.h3 Nf6 14.Qc2 Nc6 15.Ng5 g6 (15...h6 16.Nge4=) 16.Nge4 (16.Nce4 Ne4 17.Ne4 Be7+=) 16...Nb4= 17.Qb3?? (better is 17.Qb1 Ne4 18.Ne4=) 17...Be4 (better is 17...Ne4!? 18.Ne4 Be4 19.a3–+) 18.Ne4 Ne4 19.Bc3 (19.d3 Nf6 20.Bf3–+) 19...Nc3 (19...Nd5 20.Rad1–+) 20.Qc3 a5 21.a3 Na6 (21...Nd5!? 22.Qb3–+) 22.d4 Be7 (22...Nc7 23.e4–+) 23.Qd3 (23.Rfc1 Ra7–+) 23...Nc7 24.Bf3 Rc8 25.Rfb1 b5 (25...Nd5 26.Rb5–+) 26.Bc6 (26.Rc1 b4 27.ab4 Bb4–+) 26...b4 27.ab4 Bb4 28.Ba4 (28.e4 e5! 29.d5 Ne6–+) 28...Nd5 29.Rc1 (29.Bb3 Nc3 30.Re1 Rc7–+) 29...Nc3 30.Rc2 (30.Bb3 Rc7–+) 30...Na4 31.Ra4 (31.Rc8 Qc8 32.Ra4 Qc6–+) 31...e5! 32.Rc8 (32.de5 Qe8 Double attack (32...Qd3 Pinning; 32...Qd3 Deflection; 32...Qe8 Decoy)) 32...Qc8 33.de5 Re8 34.f4 (34.Qb5 Re7–+) 34...Rd8 35.Qe4 (35.Qb3 Rd2 36.Rb4 ab4 37.Qb4 Qc1 38.Kh2–+) 35...Qc1 36.Kh2 Rd1 37.Kg3 (37.Rb4 ab4 38.f5 gf5 39.Qf5 Rh1 40.Kg3 Qe3 41.Kh4 Qh6 42.Kg3 Qg6 43.Qg4 Qg4 44.Kg4 b3–+) 37...Rg1 38.e6 Qe1 39.Kg4 Qf2 40.ef7–+ Kf7 41.Qd5 Kg7 42.Ra2?? h5 0–1. mvb9999 – kinshukb, gameknot.com, 2014.

7.0-0 Nbd7 8.a4 0-0 9.Nd4 Qe7 10.Bf3 (10.a5 ba5 11.Nb3 c5=) 10...Rab8 (10...Ne5 11.Nc3+=) 11.d3 h6 (11...Ne5 12.Be2=) 12.Nd2 Nc5 13.N2b3 Nb3 14.Nb3 c6 15.d4 (15.bc6!? Bc6 16.Nd4=) 15...Rfc8+= 16.Rc1 c5 (16...cb5 17.ab5 a5 18.Nd2+=) 17.c3 (17.dc5!? bc5 18.c4=) 17...c4–/+ 18.Nd2 Rf8 19.Ra1 Rfe8 20.Qc1 Qc7 21.Ba3 (better is 21.h3!?=) 21...Bh2–/+ 22.Kh1 Bd6 23.Bd6 Qd6 24.g3 g5 25.Bg2 Ne4 (25...a5!?–/+) 26.Be4= de4 27.Nc4 Qd7 28.Ne5 Qe7 29.Kg2 f6 30.Nc4 Qc7 31.Nd2 Rbc8 32.Nb1 Red8 33.Qd2 Re8 34.Qe2 a6 (better is 34...Kg7!?=) 35.ba6+/– Ba8 (35...Bc6 36.Na3+/–) 36.Rc1 e5 37.Nd2 Re6 38.Qd1 Rc6 39.Nb1 (39.d5 Rc5 40.c4 Bd5+/–) 39...Qa7 (39...ed4 40.ed4 Rd6 41.Kg1=) 40.Qe2 (40.de5 Qa6 41.Qd5 Kh8+/–) 40...ed4+= 41.ed4 Rc4 42.Kg1 (42.a5 Rd4 (worse is 42...Qa6 43.Na3 e3 44.f3+/–) 43.cd4 Rc1+=) 42...Bd5 (42...Rd4 43.Nd2 Rd6 44.Ne4+=) 43.Qe3 (better is 43.a5!? Qa6 44.Nd2 ba5 45.Nc4 Rc4 46.Qh5+/–) 43...Qa6+= Attacking the isolated pawn on a4 44.Nd2 R4c7 (better is 44...Ra4!? 45.Ra4 Qa4 46.Ne4 Qc6=) 45.Ne4+/– Kg7? (better is 45...Be4!? 46.Qe4 Kg7+/–) 46.Nf6! Kf6 47.Qe5 Kg6 48.Qd5 Rc3?? (48...Kg7 49.Qe5 Kf7 50.d5+–) 49.Re1 Rf8 50.Re6 Kh5 51.Qh1 Kg4 52.Qh6 Rg3 53.fg3 Qd3 54.Qf8 Qd4 55.Kg2 Qd5 56.Kf2 Qe6 57.Qb4 Kh5 58.Rh1 Kg6 59.Qb1 Kf6 60.Rh6 1–0. Valpa – Grunert, playchess.de, 2005.

6.a4 a6 7.c4 dc4 8.Bc4 ab5 9.ab5 Ra1 10.Ba1 Be7 11.Ne5 0-0 12.Qa4 Nd5 13.0-0 Bf6 14.f4 Be8 (14...c5 15.e4 Nc7 16.Rd1+=) 15.e4 Ne7 16.Bc3 Nd7 (better 16...c5!?+=) 17.Nd7+/- Qd7 (17...Bc3!? 18.Nf8 Bd4 19.Kh1 Kf8+-) 18.e5+- Bh4 19.g3 Nf5 20.gh4 Nh4 21.Rf2 Qd8 (21...c6 22.Qc2 cb5+-) 22.Bb4 Qd4 23.Bf8 Kf8 (23...Nf3 24.Kg2 Ne1 25.Kg3 Nd3+-) 24.Qb4 Kg8 (24...Qc5 25.Qc5 bc5 26.Nc3+-) 25.Qe7 Bd7 (25...g5 26.Qe8 Kg7 27.Be6 Nf3 28.Kg2 Ne1 29.Kf1 Qd3 30.Kg1 fe6 31.Qe7 Kg8 32.Qe6 Kg7 33.Qf6 Kg8 34.fg5 Nf3 35.Rf3 Qd4 36.Kh1 Qb4 37.Qf7 Kh8 38.Qe8 Kg7 39.Rf7 Kg6 40.Qe6 Kh5 41.Rh7 Kg5 42.Qf6 Kg4 43.Rh4) 26.Qd8 Be8 27.Qe8 1-0. DEFFM – GuestBWKX, freechess.org, 2021.

6.c4 Be7 7.Ne5 (better 7.Nc3+–) 7...dc4?? (7...0-0!?+=) 8.Bc4 (8.Qf3!? c6 9.bc6 Nc6 10.Nc6 Bc6 11.Qc6 Nd7 12.Qc4 0-0+–) 8...0-0? (8...c6 9.Qf3 Qc7+–) 9.0-0?? (better 9.Qf3 Nd5 10.Bd5 ed5 11.Qd5+–) 9...Bd6 (9...a6 10.a4+–) 10.f4 Be5 (10...a6 11.a4+–) 11.fe5+– (worse 11.Be5 a6 12.a4 ab5 13.ab5 Ra1 14.Ba1 Bc8+–) 11...Ne8 (better 11...Nd5+–) 12.Qf3 c6 13.a4 (better 13.Ba3 Nc7 14.Bf8 Qf8+–) 13...Qc7? (13...f5 14.Ba3 Rf7+–) 14.Ba3 a6 (14...f5 15.Bf8 Kf8+–) 15.Bf8 Kf8 (15...Bc8 16.Ba3 cb5 17.ab5 ab5 18.Be6 Be6 19.Qa8 Qe5+–) 16.Qf7 1–0. GuestNMDY – jkalle, freechess.org, 2019.

6.d4 Bd6 7.Bd3 Qe7 (7...a6!? 8.a4 ab5 9.ab5 Ra1 10.Ba1 0-0=) 8.a4 0-0 9.0-0 c6 (9...Bc8 10.Nbd2+=) 10.Nbd2 (10.Nc3 c5+–) 10...cb5 (10...a6!? 11.c4 ab5 12.ab5 Ra1 13.Qa1 Rc8+–) 11.ab5 Qe8 (11...a5 12.c4+–) 12.e4 Bb5 (12...Bb4 13.ed5 ed5 14.c3+–) 13.e5 Be5? (13...Bd3 14.cd3 Be7 15.ef6 Bf6+–) 14.de5 (14.Ne5?! Bd3 15.cd3 Qb5+–) 14...Nh5 (14...Bd3 15.cd3 (15.ef6?! Qb5 16.Nb3 Bf1+–) 15...Nfd7 16.Ba3+–) 15.Ba3 Bd3 16.cd3 Nd7 (16...Nc6 17.Bf8 Qf8 18.g3+–) 17.Bf8 Kf8 (17...Qf8 18.Qa4 Nc5 19.Qd4+–) 18.Qa4 Nc5 (18...g6 19.Nb3+–) 19.Qa3 Kg8 20.d4 Nb7 (20...Nd7 21.Rfc1+–) 21.Rfc1 Nf4 (21...Na5 22.Qe3 f6 23.g4+–) 22.Rc7 Na5 23.g3 Ne2 (23...Ng6 24.Rac1 h6 25.h4+–) 24.Kg2 Qb5 (24...Rc8 25.Rc8 Qc8 26.Re1+–) 25.Qe3 1–0. DEFFM – GuestQNCV, freechess.org, 2019.

6.Be2 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.c4 (10.Nc3 Bd6=) 10...cb5 (10...dc4 11.bc6 Bc6 12.Bc4=) 11.cb5 Be7 12.Ne5 0-0 13.Nd7 (13.0-0 Qc7=) 13...Qd7 (13...Nbd7 14.0-0=) 14.0-0= Bd6 (14...Qd6 15.Bf6 Bf6 16.d4=) 15.d4 (15.Bf6 gf6 16.d4 Rc8+=) 15...Bc7 16.Nc3 Qd6 17.Qb3?? (better 17.f4=) 17…Qh2 0-1. AleksandrNekhoroshik – IncredibleMaga, lichess.org, 2020.

6.Be2 Bd6 7.0-0 0-0 8.c4 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 dc4 12.Bc4 Ne4? (better 12...Bc8!?+=) 13.Qc2+- Nf6 14.d4 Nd5 15.Nbd2 Qe8 16.Qb3 Bc8 (16...f5+/-) 17.Bd5 (better 17.e4 Nf4 18.g3+-) 17...ed5+= 18.Qd5 Be6 19.Qh5 Nd7?? (better 19...f5 20.Qe8 Re8+=) 20.d5+- Nc5 21.de6 Ne6 (21...Qe6 22.Bc3+-) 22.Ne4 Bb4 (22...f5 23.Qe8 Re8 24.Nd6 cd6+-) 23.Nd4 (23.Nf6 gf6 24.Qg4 Ng5 25.Ng5 Qb5 26.Ne4 Qg5 27.Nf6 Kh8 28.Qg5 Bd6 29.Ne8 Be5 30.Be5 f6 31.Qg7) 23...h6?? (23...Nd4 24.Ng5 h6 25.Bd4 Qb5 26.Bg7 Qg5 (26...Kg7?? 27.Ne6 fe6 28.Qb5+-) 27.Qg5 hg5 28.Bf8 Kf8+-) 24.Ne6 (better 24.Nf5 f6 25.Nh6 Kh8 26.Nf7 Kg8 27.Nf6 gf6 28.Qh8 Kf7 29.Qf6 Kg8 30.Qh8 Kf7 31.Qh7 Ng7 32.Qg7 Ke6 33.Qg4 Kf7 34.Qb4+-) 24...Qe6 25.Qe5 (better 25.Ng3 Rd8+-) 25...Qg6 (25...Qe5 26.Be5 Re8 27.Bc7 Re4 28.Bb6 Bd6+-) 26.Ng3 (better 26.Rc1!? Ra8+-) 26...Bd6 27.Qe4 Qg5 (27...Bg3 28.Qg6 Bh2 29.Kh2 fg6 30.Be5+-) 28.Rd1 (better 28.Nf5 Qh5 29.Nd6 cd6+-) 28...Qb5 (28...Bg3 29.hg3 Qb5 30.Qd4+-) 29.Qd4 (29.Nf5 Qe2 30.Rc1 Ba3+-) 29...Qg5 (29...f6+-) 30.f4 Qg4 31.Ne4 (31.Nf5 f6 32.Nd6 cd6 33.Qc4 Kh7 34.Rd6 Rc8+-) 31...Be7 (31...Bc5 32.Nc5 bc5 33.Qd3+-) 32.h3 Qh5 (32...c5 33.hg4 cd4 34.Bd4 b5+-) 33.Qg7 1-0. dale70 (2035) - weallknow (2035), Rated Blitz game, lichess.org, 2015.

6.Be2 Be7 7.0-0 0-0 8.a4 c6 9.Ne5 Ne4 (9...Qc7 10.f4=) 10.Nc3 Nc3 11.Bc3 Bf6 (11...Be8 12.Nf3=) 12.Bd3+= Qc7 13.f4 (13.Nc6 Bc6 14.Bf6 gf6+=) 13...c5 14.Bh7 Kh7 15.Qh5 Kg8 16.Rf3 Be5 17.Be5 Qd8 18.Bg7! Kg7 (18...Kg7 19.Qg4) 19.Rg3 Kf6 (19...Qg5 20.Qg5 Kh7 21.Qg7) 20.Qg5 1–0. pcmvr (2100) – debutler (2100), net–chess.com, 2006.

6.Ne5 Bd6= 7.Nd7 (7.Qf3 a6 8.Ng4 Be7=) 7...Nbd7 8.a4 e5 9.Be2 0-0 10.0-0 Re8 11.d3 a6 12.c4 ab5 (12...d4 13.ed4 ed4 14.Bf3+=) 13.Nc3 (13.ab5!? Ra1 14.Ba1 dc4 15.dc4=) 13...bc4=+ 14.dc4 dc4 15.Bc4 Nc5 (15...e4 16.Bb5-/+) 16.Nb5 (16.Nd5 Nd5 17.Bd5 Ra7=+) 16...Qd7 17.Nc3 (17.Nd6 Qd6 18.Qc2 c6=) 17...Ra7 (17...Red8!?-/+) 18.Nb5=+ Ra5 19.Bc3 Raa8 20.Nd6 (better 20.f3=+) 20...cd6 (better 20...Qd6!? 21.a5 ba5 22.Ba5 Nce4=+) 21.Bb5+= Qe6 22.Be8 Ne8 (22...Re8 23.Bb4+=) 23.Bb2 (23.a5 ba5 24.Ra5 Rb8+=) 23...Nb3 24.Ra3 Rc8?? (better 24...Nc5+=) 25.Qb3+- Qb3 (25...d5 26.a5 ba5 27.Ra5+-) 26.Rb3 Rb8 (26...Ra8 27.Rc1 Kf8 28.Rb6+-) 27.a5! b5 (27...ba5 28.Rb8 Pinning (28.Rb8 Deflection)) 28.a6 Ra8 29.Rb5 (better 29.Ra1!? Nc7 30.Rd3 Ne8+-) 29...Ra6 30.Rb8 Kf8 31.Ra1 (better 31.f4+-) 31...Rc6 (31...Ra1 32.Ba1 Ke7+-) 32.Raa8 Ke7 (32...g5 33.Re8 Kg7 34.Ba3+-) 33.Re8 Kf6 34.f4 Kg6 35.fe5 Rc2 36.Bd4 (better 36.ed6 Rb2 37.d7 Rd2+-) 36...Rc1 37.Kf2 Rc2 38.Kf3 Rc1 39.Ra6 Rf1 40.Kg3 f6 41.Rd6 Rf5 42.ef6 (42.ef6 gf6 43.e4 Rg5 44.Kf4 Rd5 45.Rf6 Kg7 46.ed5 h5 47.Kg5 h4 48.h3 Kh7 49.Rf7) 1-0. Bushwacker (1755) – Middelburg, ChessWorld.net, 2006.

7.c4 Bb4 8.Qb3 (8.Ne5 c5=) 8...Ba5 (8...Be7 9.Ne5=) 9.Be5 (9.cd5 ed5 10.Nc3 0-0=) 9...c5 (9...0-0 10.Bd3=) 10.Nc3+= 0-0 11.Bd3 a6 12.0-0 ab5 (12...dc4 13.Qc4 Ra7 14.Bc2+=) 13.ab5 (worse 13.Nb5 Bc6=; worse 13.cb5 c4 14.Bc4 dc4 15.Qc4 Bc8–/+) 13...Bc8 14.cd5 (14.Bf6 Qf6 15.cd5+=) 14...ed5 (better 14...Nd5!? 15.Qb1 h6+=) 15.Bf6+– Qf6 16.Nd5 Qd6 17.Qc4 (better 17.Be4 Bb7 18.Ng5+–) 17...Bb7?? (better 17...Ra7+–) 18.Qe4+– Bd5 (18...g6 19.Ne7 Kg7 20.Qb7 Nd7+–) 19.Qh7 1–0. GuestYFZJ – Fullball, freechess.org, 2018.

7.c4 cb5 8.ab5 a6 (8...a5!?+/–) 9.cd5+– Nd5 10.Nc3 Nc7 11.Ne5 Bb4? (better is 11...Be7+–) 12.Qg4 0-0 (12...Bf8+–) 13.Qb4 Bc8 14.Qe4 Nd7 15.Nc6 Qe8 (15...Nc5 16.Qd4 Qd4 17.ed4+–) 16.Qd4 Bb7 (16...a5 17.Nd5! e5 18.Ne5+–) 17.Nd5! ed5 (17...Nd5 18.Qg7; 17...ed5 18.Qg7) 18.Qg7 1–0. pierred (2850) – preethan (2135), net–chess.com, 2015.

7.Be2 Qc7 8.0-0 Bd6 9.c4 a6 (9...dc4 10.Bf6 gf6 11.Bc4 cb5 12.Bb5+=) 10.bc6 Bc6 11.cd5 ed5 (11...Nd5!? 12.Na3 0-0=) 12.Qc2 (12.Bf6 gf6 13.Nc3 d4 14.ed4 0-0+/-) 12...a5 (better 12...Qd8!?+=) 13.Bf6+- gf6 14.Qf5 Be5 (better 14...Qd7!? 15.Qf6 Rg8+/-) 15.d4+- Bd6 16.Qf6 Rg8 17.Nc3 Nd7 (17...Qd7 18.Nb5 Be7 19.Qf4+-) 18.Qf5 0-0-0 (18...Qb7+-) 19.Rfc1 (19.Qh7?! Rh8 20.Ba6 Kb8=; 19.Qf7?! Rdf8 20.Qe6 Rg6+-; worse 19.Nd5 Qb7 20.Nc3 Bb4+-) 19...f6 (19...Qb7 20.Bb5 Kb8 21.Bc6 Qc6+-) 20.Nb5 Qb8 (20...Bb5 21.Rc7 Kc7 22.Bb5 Nf8 23.Qf6 Ng6 24.Rc1 Kb8+-) 21.Rc6 Kb7 22.Qd5 (22.Qd5 Bh2 23.Kh1 Qa8 24.Ne5 Be5 25.Rc7 Kb8 26.Qa8 Ka8 27.Bf3 Kb8 28.Rb7 Kc8 29.Na7) 1-0. DEFFM – GuestBDWY, freechess.org, 2021.

7.Bc4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 c6 11.Qa4 Ne4 (11...Bd6!?=) 12.Be6+– Nc5 (12...Be6 13.Qe4 cb5 14.0-0+=) 13.Bd7 Qd7 (13...Nbd7 14.Qc2 cb5 15.0-0+–) 14.bc6 Qc6 (14...Nc6 15.Qa8 Nd8 16.0-0+–) 15.Qc6 Nc6 16.0-0 (16.Ke2 Nb3 17.Nc3 Kd7+–) 16...f6 (16...Nd3 17.Nc3 Bc5 18.Rb1+–) 17.d4 Ne4 (17...Nb3 18.Nc3 Kd7 19.Rb1 Na1 20.Ra1+–) 18.Rc1 (18.Nc3 Nc3 19.Bc3 Nb8+–) 18...Nd8 (18...Nb4!?+–) 19.Nc3+– Nc3 20.Bc3 Ba3 (better 20...Bd6+–) 21.Rb1 1–0. DEFFM – GuestNNBY, freechess.org, 2018.

7.Bc4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 c6 11.Nc3 cb5 (11...Bd6 12.0-0=) 12.Nb5+= Nc6 13.0-0 h6 (13...Be7 14.Bf6 Bf6 15.Nd6 Ke7 16.Ne4+=) 14.d4 Be7 15.d5 ed5 16.Bf6 Bf6 17.Nd6 Kf8 (better 17...Ke7!? 18.Qd5 Be6 19.Qc6 Qd6 20.Qb7 Qd7 21.Qb6 Rd8+–) 18.Qd5+– Be6?? (better 18...Be8 19.Ne8 Qe8+–) 19.Qc6 Bc4 (19...Be7 20.Ra1 Bd6 21.Ra8+–) 20.Nc4 (20.Qc4?! Qd6 21.Qc8 Qd8+–) 20...Be7 (20...b5 21.Qb5 g6+–) 21.Ra1 Qd3 (21...Ba3 22.Nd4 Qe8 23.Qf3+–) 22.Ra8 (better 22.Nfe5 Qd8 23.Ra8 Kg8 24.Rd8 Bd8+–) 22...Bd8 23.Nfd2 g6 (23...Kg8 24.Qd6 Qd6 25.Nd6 Kh7 26.Nf7 Rf8 27.Nd8 b5+–) 24.Qf6 (24.Qf6 Ke8 25.Ne5 Rf8 26.Nd3 Kd7 27.Ne5 Kc7 28.Qc6) 1–0. GuestFQTS – GuestPPLD, freechess.org, 2018.

6.a4 0-0 7.Be2 c6 8.0-0 Bb7 9.c4 dc4 10.Bc4 cb5 11.ab5 Bd5 12.Be2 Qc8 (12...Bb7 13.Nc3=) 13.Nc3 Bb7 14.Qb3 Nd5 15.Rfc1 Qd7 16.Ne5 Qd6 17.d4 Rc8 18.Ba3 Qd8 19.Be7 Ne7 20.Bc4 Nd7? (better 20...Qd6+/-) 21.Be6+- Ne5 22.Bc8 Rc8 (22...Nc8 23.de5 Qg5+-) 23.de5 Ng6 (23...Qc7 24.Rd1 (worse 24.Ra7 Nd5 25.h3 Nc3 26.Qc3 Qc3 27.Rc3 Rc3 28.Rb7 Kf8+-) 24...Qe5 25.Rd7+-) 24.e6 fe6 25.Qe6 Kh8 26.Ne4 (26.Ra7?! Rc3 27.Re1 Nf8+/-) 26...Rc1 27.Rc1 Nf8 28.Qd6 Qe8 29.Nf6! gf6 30.Qf6 Kg8 31.Rc7 (31.Rc7 Nd7 32.Qd4+-) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.a4 c5 7.c4 0-0 8.d4 Nbd7 9.Nbd2 Bb7 10.Bd3 Qc7 11.0-0 h6 (11...cd4 12.ed4 (12.Bd4? e5-+) 12...dc4 13.Nc4=) 12.Ne5 (12.Rc1 a6=) 12...Rad8 13.Ndf3 dc4 14.Nc4 Bf3 (14...cd4!? 15.Bd4 Nc5=) 15.Qf3+= cd4 16.ed4 (worse 16.Bd4 e5 17.Qg3 Nh5=+) 16...Nd5 17.g3 (17.Ne5 Nb4 18.Be4 Qd6+=) 17...Nb4= 18.Be2 Nf6 19.Rfc1 Qb8 20.Ne5 Rc8 21.Nc6 (21.Ba3 Rc1 22.Rc1 Rc8+=) 21...Nc6= 22.bc6 Nd5 23.Bb5 Rfd8 24.Qb3 Bf6 25.Qc2 Nc7 Attacks the backward pawn on d4 26.Qe4 Nb5 27.ab5 Qc7 28.Ra6 Rd5 29.Qd3 Rcd8 30.Rca1 Bd4 (30...Ra8 31.Bc3+=) 31.Bd4 Rd4 32.Ra7 Qa7 (32...Rd3? 33.Rc7 Kh7 34.Ra6+-) 33.Qd4 (33.Ra7?? Rd3 34.Rb7 Rc3 35.Rb6 Rc2-+) 33...Qa1?? (better 33...Qb8 34.Qf4 e5+/-) 34.Qa1+- 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.a4 c6 7.bc6 (7.Bd3!?+=) 7...Nc6= 8.Bb5 Bd7 9.0-0 Qc7 10.Ne5?? (better 10.Qe2=) 10...Ne5-+ 11.Be5 Qe5 12.d4 Qd6 0-1. Darkseid (1650) - eddie43 (1690), ChessWorld.net, 2007.

6.c4 a6 7.Bf6 Bf6 8.d4 =.

6.c4 Bb7 7.Nc3 0-0 8.a4 a5 9.Be2 (9.cd5 Nd5 10.Bc4 Nd7 11.0-0 Nc5 12.Nd5 ed5 13.Be2; 9.d4 c5 10.cd5 Nd5 11.dc5 Bc5 12.Bc4 Nb4 13.Qe2) 9...Nbd7 (9...c5 10.bc6 Nc6 11.0-0 Rc8 12.cd5 Nd5 13.Rc1) 10.0-0 (10.Qc2 dc4 11.Bc4 Bb4 12.0-0 h6 13.Be2) 10...Nc5 (10...dc4 11.Bc4 Bf3 12.gf3 Ne5 13.Be2) 11.d4 (11.Qc2 Nfe4 12.cd5 Nc3 13.Bc3) 11...Nce4 12.Ne4 de4 (12...Ne4 13.Qc2= 0.07 (13.Ne5=)) 13.Nd2 (13.Ne5 Nd7+=) 13...Rc8 14.Nb3 (14.Bc3 c6=) 14...c6 (14...Bb4!?=) 15.Qc2+= c5? (15...cb5 16.ab5 Nd7 17.Rfc1+=) 16.Rfd1 (better is 16.dc5 Rc5 17.Nc5 Bc5 18.Rfd1+–) 16...cd4+= 17.Bd4 Qe8?? (better is 17...Qc7+=) 18.Qb2 (better is 18.Bb6!? Bd5+–) 18...Bd8 19.Rac1 Qe7 20.Rc2 (better is 20.c5!? Bd5 21.cb6 Rc1 22.Rc1+– (22.Nc1?! Qb7+/–)) 20...Re8+/– 21.Qa1 (21.Rcd2!?+/–) 21...e5+= 22.Bb2 Qe6 23.h3 h5 24.Rcd2 Bc7 25.Ba3 h4 (25...Rcd8 26.Rd8 Rd8 27.Rd8 Bd8 28.Qc3+/–) 26.Qb2+/– Rcd8 27.c5 Rd2 28.Rd2 Bd5 29.Bd1 Rd8 30.cb6 Bb6 31.Nc5 Qf5 32.Nb3 Rc8?? 33.Rc2 Bc4 34.Qc3 Nd5 35.Qb2?? Ne3!–+ 36.Rc1 Nd1 37.Rd1 e3 38.fe3 Be3 39.Kh1 Bb3 40.Qb3–+ Bd4?? 41.b6= Rb8 42.b7 Qd7 43.Rb1 e4 44.Qb5 Qe6 45.Qa5 Kh7?? 46.Qb4 Qd7? 47.a5 e3 48.a6 e2 49.Qd6 Qe8 50.Bb4 Rd8?? 51.Qe7 Qe7?? 52.Be7 +–. Hakim,Viktor – Niegemeier,Karl Leo, Bois Gentil op, 1994.

6.d4 Nbd7 7.Bd3 Bb7 8.0-0 0-0 9.Re1 Ne4 10.Nbd2 f5 (10...c5 11.c4=) 11.c4 Ndf6 12.Ne5 Ng4 (better is 12...Bb4!? 13.Bc1 a6 14.ba6 Ba6=) 13.Ng4+/– fg4 (better is 13...Nd2 14.Qd2 fg4+/–) 14.Qg4?? (better is 14.Be4 de4 15.Qg4+–) 14...Nf2 15.Qe2 Nd3 16.Qd3 Rf6 17.Rf1 Kh8 18.Nf3 dc4 19.Qc4 Bf3 20.Rf3 Rf3 21.gf3 Qd7 22.Kf2 Rc8 23.Rg1 1–0. gtate (1900) – ciortan (2160), net–chess.com, 2004.

6.Be2 a6 =.

6.Be2 Nbd7 7.d4 0-0 8.0-0 a6 9.a4 ab5 10.ab5 Bb7 11.Nbd2 c6 12.c4 c5 13.Qc2 Qc7 14.Rfc1 Rfc8 15.Bd3 1-0. DEFFM – GuestJRPQ, freechess.org, 2021.

6.Ne5 a6 =.

7.d4 a6 8.a4 Bb7 9.Be2 Ne4 10.0-0 dc4 11.Bc4 Bb4 12.Qc2 Ng5 13.Ne5 Bd6 14.Ba3 Be5 15.de5 Nf3 16.Kh1 Qh4 17.h3 Ne1 18.Re1 Qh3 0–1. Madonia – Poretti, corr Italy 1984.

7.Be2 Bb7 (--> 5.c4 Bb7 6.Nf3 Be7 7.Be2 0-0).

7.a4 0-0 8.Na3 (8.Bc4 a6=) 8...Bb7 9.Nc4 (9.Bc4 a6=) 9...Nbd7 (9...a6 10.Be2=+) 10.Be2= Nc5 (10...a6 11.0-0=) 11.d4 (11.0-0 a6=) 11...Nce4 12.0-0 Nd5 (12...a6 13.Nfe5=) 13.Qb3 a6 14.Nfe5 ab5 15.ab5 Ndf6 (15...Qe8 16.Ra8 Ba8 17.Ra1+=) 16.f3 Nd6 17.Ra8 Ba8 18.e4 Nc4 19.Bc4 Kh8 (19...Nd7 20.Nc6 Bc6 21.bc6+/–) 20.Ra1 Qe8 21.Ra7 Bd6 (21...Qb8 22.Ra4+/–) 22.Qa4+– Be5 (better is 22...Kg8!?+–) 23.de5 Nd7 24.Rc7 (24...Qd8 25.Qa7+–) 1–0. Kilpatrick,Robert – Harvey,Donald J, corr SCCA cand, 1987.

7.Bc4 0-0 8.0-0 Bb7 9.a4 a5 (9...c6 10.d3=) 10.Nc3 Bb4 11.d4 Bc3 12.Bc3 Ne4 13.Bb2 Nd7 14.Qe2 Ndf6 15.Ba3 Re8 16.Ne5 Nd6 (16...Nd7 17.Rac1+/–) 17.Bd3+/– Nfe4 (17...Be4 18.Rac1+/–) 18.Qc2 f5 19.Rac1 Rc8 20.f3 Nf6 21.Qd2 Nd5 22.e4 fe4 23.fe4 Nf6 24.Qe3 (24.Bd6 cd6 25.Rc8 Qc8 26.Nc4+/–) 24...Re7 (better is 24...Be4!? 25.Rf6 Bd3+=) 25.Rf4+– Nd7 (25...Nh5 26.Rh4 Nf6 27.Nc4+–) 26.Nc6 Bc6 27.bc6 Nf6 28.e5 Nd5 29.ed6 Ne3 (29...cd6 30.Qg3 Nf4 31.Qf4 g6 32.Qd6 Rf7+–) 30.de7 Qe7 (30...Qe8 31.Re1 Nd5 32.Rf8 Qf8 33.ef8Q Rf8 34.Bf8 Kf8 35.Bh7+–) 31.Be7 1–0. Janek – Vesely, internet, 2016.

7.Bc4 0-0 8.0-0 Bb7 9.d4 Nbd7 10.Nbd2 Ne4 11.Ne4 Be4 12.Bd3 Bf3 13.Qf3 Nf6 14.e4 h6 15.Rfd1 Nh7 16.e5 Ng5 17.Qe2 Rc8?! (17...f5+–) 18.h4 Nh7 19.Qc2 g6 20.h5! Kg7 (20...gh5 21.Bh7 Pinning (21.Bh7 Deflection)) 21.Be4 c5 22.bc6 Qc7 23.d5 Ng5 (23...ed5 24.Bd5 Ng5+–) 24.d6 (24.d6 Qd8 25.c7 Rc7 26.dc7+–) 1–0. b4_player – story, casual, 2013.

7.Bc4 0-0 8.0-0 Bd7 9.a4 Ne8 (9...a6 10.Qc2=) 10.Ne5+– Nd6 11.Bd3 Bc8 (11...a6!?+=) 12.Qc2+– Bb7 (12...g6!?+–) 13.Bh7+– (13.Bh7 Kh8 14.d4+–) 1–0. DEFFM – GuestLRBN, freechess.org, 2017.

7.Bc4 0-0 8.Qc2 Qd6 (8...Bb7!?=) 9.Ng5+= g6 10.Bf6 (10.Ne4 Qd8+=) 10...Bf6 11.Ne4 Qe7 12.Nf6 Qf6 13.Nc3 (13.d4 Bb7 14.0-0 c6+=) 13...Nd7 (13...Bb7 14.0-0+=) 14.d4 e5 (better 14...Bb7!? 15.0-0 c5+=) 15.Nd5+– Qd8 16.de5 (16.Rd1 Bb7+–) 16...Ne5 17.Bb3 (17.Rd1 Bb7+–) 17...Bb7 (better 17...Bd7!? 18.Rd1 Bb5 19.Nc7 Nd3 20.Kf1 Nb4 21.Nb5 Nc2 22.Rd8 Rfd8 23.Bc2 Rac8–/+) 18.Rd1+– c5 (better 18...a6+–) 19.bc6+= Nc6? (better 19...Bc6 20.f4 Rc8 21.fe5 Bd5+=) 20.Qb2 (better 20.Qc3 Qh4 21.g3+–) 20...f6?? (better 20...Qh4 21.Nf6 Kh8 22.Nd7 Kg8 23.Nf8 Rf8+–) 21.Nf6 Kg7 (21...Kh8 22.Rd8 Nd4 23.Qd4 h5 24.Nh5 Kh7 25.Qg7) 22.Rd8 (22.Ng4 Qf6 23.Rd7 Ne7 24.Re7 Kh8 25.Nf6 Rf7 26.Nd7 Kg8 27.Bf7) 22...Rad8 23.Nd7 (23.Ne8! Kh6 24.Qg7 Kh5 25.Qf8 Ne5 26.Ng7 Kh6 27.Nf5 Kg5 28.f4 Kg4 29.h3 Kh5 30.Qh6) 23...Kh6+– 24.Nf8 Rf8 25.Bd5 1–0. Alessandro,Sergio (1640) – Diaz Garcia,Carlos Luis, Campeonato De Tenerife De Veteranos, 2019. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.b5 b6 5.e3 Be7 6.c4 dc4)

7.Bc4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 0-0 11.0-0 Bb7 12.d3 Nbd7 13.d4 (13.Qe2 c5=) 13...Qa8 14.Nbd2 Ne4 15.Qc2 (15.Ne4!? Be4 16.Qe2=) 15...Nd2=+ 16.Nd2 Bg2 17.Re1 Nf6 18.Bf1 (better 18.e4!? Bh3 19.Qc3=+) 18...Bf1–/+ 19.Rf1 Bd6 20.e4 Bf4 21.e5 (21.d5 ed5 22.Bf6 gf6–+) 21...Nd5 (21...Ng4 22.Qe4 Nh2 23.Rb1 Bd2 24.Qa8 Ra8 25.Kh2–+) 22.Bb2 (22.Ne4 Qd8–+) 22...Qd8 (22...Qa5!? 23.Ne4 Qb5 24.Ra1–+) 23.Ne4 Qh4 24.Ng3 f6 (24...Rd8 25.Ra1–/+) 25.Qc6–/+ Qh3 26.Re1 Be5?? (better 26...fe5 27.de5 Ne7–/+) 27.de5+– f5?? (27...fe5 28.Re5 Nf4+–) 28.Ba3 (better 28.Qe6 Kh8 29.Qd5+–) 28...f4–/+ 29.Bf8?? (better 29.Qc4 fg3 30.fg3–/+) 29...f3–+ 30.Qe6 Qe6 (30...Qe6 31.Kh1 Kf8–+) 0–1. GuestKHNH – GuestYQHF, freechess.org, 2017.

7.Bc4 Bb7 8.0-0 0-0 9.Be2 c5 10.Qc2 Be4 (10...a6 11.a4=) 11.Qd1 (11.d3 Bf5=) 11...Nbd7 12.Nc3 Bg6 (12...Bb7 13.d4=) 13.Nh4 Rc8 (13...Bh5!=) 14.Ng6+/- hg6 15.Bf3 (15.d3 Qc7+=) 15...Re8 (15...Ne5 16.Rc1=) 16.a4 (16.d3!?+=) 16...Ne5= 17.Be2 Nd3 18.Ba3 Qd6 19.Qc2 Red8 20.f4 (20.Rfd1 Rd7=) 20...Rd7 (20...Nb4 21.Qc1 Qd2 22.Rd1-/+) 21.Bf3 (21.Ra2 Rcc7 22.Bd3 Qd3=) 21...Rcd8 (21...Nb4!? 22.Qc1 Qd2-/+) 22.Bc6 Rc7 23.Nd1 Nd7 (23...e5 24.Nb2 ef4 25.Nc4=+) 24.Nf2 (better 24.Nb2 Nb2 A) worse 25.Qb2 Nb8-/+ (worse 25...Rc6 26.bc6 Bf6 27.d4 Qc6 28.Qc2+=); B) 25.Bb2+=) 24...Nb8?? (better 24...Nf6=) 25.Ne4+- Nc6 (25...Nb4 A) 26.Nd6? Nc2 27.Nb7 Rd3-+ (27...Nc6?! 28.Nd8 Nd8 29.Ra2 Na3 30.Ra3-+; 27...Na1?! 28.Nd8 Nb3 29.Rb1-+); B) 26.Bb4 Qd3 27.Qd3 Rd3 28.Bc3 Nc6 29.bc6 Rc6 30.Rfb1+-) 26.Nd6 Ncb4 27.Bb4 Nb4 28.Qc4 Rd6 29.d4 Nd5 (29...Rdd7 30.Rac1+-) 30.dc5 Rc5 31.Qe2 Nc3 32.Qf3 Bf6 (32...Rcd5+-) 33.Rad1 (33.Qa8!? Kh7 34.Qa7 Ne2 35.Kf2 Rc2+-) 33...Rcd5? (better 33...Rd1!? 34.Rd1 Nd1 35.Qd1 Rd5+-) 34.Rd5 ed5 35.Rc1 Re6 (35...Rd8 36.g4 Na4 37.g5+-) 36.g4 d4 37.ed4?? (better 37.g5 Be7 38.Qa8 Kh7 39.Kf1 Re3 40.Qa7+-) 37...Ne2+= 38.Kg2 Nc1 39.d5 Re2 40.Kh3 Bd4 (better 40...g5!? 41.d6 gf4=) 41.Qf1 (41.Qf1 Nd3 42.d6 Re3 43.Kg2-+). AhmedSultanov (1825) - laco01 (1870), lichess.org, 2019.

7.Bc4 Nbd7 8.d4 Bb7 9.a4 0-0 10.Nc3 c6 11.bc6 Bc6 12.0-0 a6 (12...Qc7 13.Ba6+=) 13.Rc1+– Rc8 (13...h6!?+–) 14.Ba6+– Ra8 15.Bb5 Bb5 16.Nb5 Nd5 (16...h6 17.h3+–) 17.e4 N5f6 18.Re1 Ra5 (18...Bb4 19.Re2+–) 19.Bc3 Ra8 20.g3 Qb8 21.d5 ed5 (21...Bc5 22.Ng5 Qb7 23.de6 fe6 24.Nd4 Bd4 25.Bd4+– (25.Qd4?! Nc5+–)) 22.ed5 Bc5 23.d6 Re8 (23...Qb7 24.Re7 Qc6 25.h3+–) 24.Re8 Ne8 25.Ng5 Nd6 (25...Nef6 26.Nc7 h6 27.Na8 hg5 28.Bf6 Nf6+–) 26.Qh5 h6 (26...Nf8 27.Nd6 Ra7 28.Nf5+–) 27.Nd6 Qd6 (27...f6 28.Qf7 Kh8+–) 28.Qf7 Kh8 29.Qg7 (29.Bg7?!=) 1–0. Pierre – 5gjodo5, internet, 2019.

7.Ba3 =.

7.a4 ab5 8.ab5 Ra1 9.Ba1 0-0 10.Bd3=+.

7.a4 ab5 8.ab5 Ra1 9.Ba1 Qd6 10.Bd3 Qb4 (10...0-0 11.0-0=) 11.Bc3 Qd6 12.0-0 Ne4 (12...Bb7!?=) 13.Bb2+– 0-0 14.c4 Nf6 15.Ne5 c5 16.Nd2 (16.bc6 Nc6 17.Ba3 Qc7 18.Be7 Ne7 19.cd5 Nfd5+=) 16...Nbd7 17.Nc6 Bb7 18.Ne7 (18.cd5!? ed5 19.e4 cd4 20.ed5 Nd5 21.Nc4+–) 18...Qe7= 19.Qc2 Rb8 (19...Ra8 20.cd5 ed5 21.dc5 bc5 22.Be2+=) 20.Ra1 Ra8 (20...e5!?+=) 21.Ra8+– Ba8 22.cd5 Bd5 (22...ed5 23.dc5 Qc5 24.Qa4+–) 23.e4 Bb7 24.e5 Nd5 25.Bh7 Kf8 26.Be4 Qh4 (26...cd4 27.Bd5 Bd5 28.Qc8 Qe8 29.Qe8 Ke8 30.Bd4+–) 27.Ba3 Qg4 (27...Qe7 28.Nc4 Nb4 29.Bb4 Be4 30.Qe4 cb4 31.Qa8 Qe8 32.Qa4+–) 28.dc5 bc5 29.Bc5 Kg8 30.Bd6 Qe2 31.Nf3 Qb5 (31...Qc2 32.Bc2 Nf4+–) 32.Ng5 g6 (32...Ne5 33.Bh7 Kh8 34.Be5+–) 33.Bg6! Nf4 (33...fg6 34.Qg6) 34.Bf7 Kh8 35.Qh7 1–0. DEFFM – ivezicvanja, freechess.org, 2019.

7.a4 ab5 8.ab5 Ra1 9.Ba1 Bd6 10.Nbd2 0-0 11.Bd3 Re8 (11...Nbd7 12.0-0=) 12.0-0 h6 13.e4 de4 14.Ne4 Nd5 (14...Bb7!? 15.Nd6 cd6=) 15.c4 Nf4 16.Bb1 (16.Bc2 Bb7+=) 16...Nd7 17.g3 Ng6 18.Nd6 (18.Bc3 Bb7+=) 18...cd6 19.Bg6 (19.Bc3 Bb7+=) 19...fg6= 20.Qd3 Bb7 21.Nh4 g5 22.Ng6 (22.Ng2 Rf8=) 22...Nf6 (22...Qf6!? 23.Bc3 Qf5 24.Qf5 ef5=+) 23.f3= g4 24.d5 gf3 25.Qf3 (25.Bf6 Qf6 (worse 25...gf6 26.Nf4 f5 27.de6+–) 26.Rf3 Qd8=) 25...ed5 (25...e5!?=+) 26.Bf6= Qf6 27.Qf6 gf6 28.Rf6? (better 28.cd5 Kg7 29.Nf4=) 28...dc4–+ 29.Rd6 (29.Nf4 c3 30.Kf2 c2–+) 29...c3 30.Rd1 (30.Rb6 c2 31.Rc6 Bc6 32.bc6 Re2 33.Ne7 Kf7 34.Kf1 Rd2 35.Ke1 c1Q) 30...c2 31.Rc1 Be4 32.Nf4 Rd8 33.Kf2 Rd1 34.Ne2 Bd3 35.Ke3 Be2 36.Rc2 Bb5. WG – Heinz Lukeit, VM_2019, 2019.

7.0-0 a6 8.a4 Bb7 (8...c5 9.ba6 Ba6 10.d3=) 9.c4 (9.a5 ba5 10.Ra5 c6 11.bc6 Qa5 12.cb7 Ra7–/+) 9...Nbd7 (9...dc4 10.Bc4 ab5 11.ab5 Ra1 12.Ba1=) 10.d4 Ne4 (10...dc4 11.Bc4 c6 12.bc6 Bc6 13.Qe2=) 11.Nbd2 Ndf6 (11...dc4 12.Ne4 Be4 13.Nd2=) 12.Ne5 (12.Ba3 Ba3 13.Ra3 dc4 14.Nc4 Qd5=) 12...Nd2 (12...dc4 13.Ndc4 Bd5 14.Qc2+=) 13.Qd2 dc4 14.f3 (14.Bc4 Bd6 15.Nc6 Qd7=) 14...c3 (14...Bd6 15.Nc4 Nd5 16.Nd6 cd6 17.e4+=) 15.Bc3+= Nd5 16.ba6 (16.e4 Nc3 17.Qc3 Qd6=) 16...Ba6= 17.Ba6 Ra6 18.Nc6 (18.e4 Bg5 19.f4 Nc3 20.Qc3 Bf6+=) 18...Qd7 (18...Qd6 19.Ne7 Qe7 20.a5=) 19.Qd3? (better is 19.Ne7 Qe7 20.e4 Nc3 21.Qc3=+) 19…Qc6–+ (20.Qa6 Qc3–+ (20...Nc3?! 21.a5–+)) 0–1. Kern,Michael – Poretti,Ennio, IECG Cat–M, 1995.

7.0-0 c5 8.Na3 a6 =.

7.0-0 c5 8.a4 a5 9.c4 Bb7 10.d4 cd4 11.Nd4 Nbd7 12.Nc6 Bc6 13.bc6 Nb8 14.cd5 ed5 15.Bb5 Qc7 16.Qc2 Bc5 17.Bf6 gf6 18.Nc3 Nc6 19.Nd5 Qd6 20.Bc6 Qc6 21.Ne7 Be7 22.Qc6 Bc5 23.Qf6 Rae8 24.Rfd1 Re6 25.Qf5 Kh8 26.Rd7 Rg8 27.Qf7 Ree8 28.Qh7# 1–0. Machete99 – Hekla, ICC, 2002.

7.0-0 c5 8.a4 Bb7 9.d4 (9.Nc3 Bd6=) 9...Nbd7 10.Nbd2 cd4 11.ed4 (11.Nd4 Qc7=) 11...Qc7 (11...a6 12.Bd3=) 12.h3 (12.Bd3 a6=) 12...Rac8 Attacks the backward pawn on c2 13.c4 (13.Bd3 Nh5=) 13...dc4+= 14.Bc4 (14.Rc1 c3 15.Bc3 Qf4+=) 14...Nd5 (14...Rfd8 15.Qe2+=) 15.Qb3 (15.Ne5 Nf4 16.Rc1 Bg2+=) 15...h6 (15...Rfd8 16.Rfc1 Qf4 17.a5+=) 16.Ba3 Ba3 17.Ra3 (17.Qa3 Rfd8+=) 17...N5f6 (17...Rfd8 18.Rc1+=) 18.Re1 (18.Rfa1 Bd5 19.Bd5 Nd5=) 18...Bd5 (18...Qd6 19.Rc1+=) 19.Ne5 (19.Rc1 Rfd8=) 19...Bc4 (19...Ne5 20.Bd5 Ng6 21.Be4 Ne4 22.Re4 Qc1 23.Nf1+=) 20.Ndc4 Nd5 (20...Ne5 21.Ne5 Qd6 22.Qb2=) 21.Nc6 (21.Rc1 Ne5 22.de5 f6=) 21...Nb8 22.N4e5 Rfe8 (22...Nc6 23.Nc6 a6 24.Ra2=) 23.Nb8 Qb8 24.Nc6 (24.Qf3 Qb7=) 24...Qb7 (24...Qd6 25.Rc1= (worse is 25.Na7 Rc3 26.Qd5 Qd5 27.Rc3 Qd4–/+)) 25.Qf3 a6 26.Ne5 (26.Nb4 a5 27.Nd5 Qd5 28.Qd5 ed5 29.Re8 Re8=) 26...ab5 (26...Rc7 27.Qh5=) 27.ab5 Qe7 28.Nc6 Qf8 29.Ra7 Ra8 30.Rea1 Ra7 31.Ra7 Kh8? 32.Rf7 Qg8 33.Ne5 Nf6 34.Qd3 Qh7 35.Ng6 Kg8 36.Re7 Re7 37.Ne7 Kf7 38.Qh7 Nh7 39.Nc8 Ke8 40.Nb6 Nf6 41.f3 Kd8 42.Kf2 Kc7 43.Na4 Nd5 44.Nc5 Kd6 45.g3 e5 46.Ne4 Ke6 47.de5 Ke5 48.Ke2 Kd4 49.Kd2 Kc4 50.f4 Kb5 51.Nc3 Kc4 52.Nd5 Kd5 53.Ke3 h5 54.Kd3 Ke6 55.Ke4 Kf6 56.g4 hg4 57.hg4 g6 58.Kd5 g5 59.f5 Ke7 60.Ke5 Kf7 61.f6 (61.f6 Kf8 62.Kf5+–) 1–0. De Visser,Arno – de Beurs, 1982.

7.0-0 c5 8.a4 Nbd7 9.d3 =.

7.0-0 c6 8.a4 cb5 9.ab5 Bb7 10.c4 a6 11.ba6 Ra6 12.Na3 Ba3 13.Ba3 Re8 14.cd5 Nd5 15.Ba6 Ba6 16.Re1 Bb7 17.Qe2 Qf6 18.Reb1 Ba6 19.Qe1 Bd3 20.Bb2 Qg6 21.Ne5 Qe4 22.f3 1–0. Bonetti,Shane – Mandarin65, ICC, 2002.

7.a4 Bb7 8.0-0 c5 9.c4 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 Be7 7.Be2 0-0 8.0-0 d5 9.a4).

7.c4 Bb7 8.cd5 Nd5 9.0-0 c5 10.Nc3 Bf6 11.a3 Nd7 12.Qc2 Ne5 13.Ne5 Be5 14.f4 Bc3 15.Bc3 Nc3 16.dc3 Qe7 17.Bd3 f5 18.Rad1 Rad8 19.Rfe1 Rf6 20.Bc4 Bd5 21.Qb3 Bc4 22.Qc4 Rff8 23.Rd8 Rd8 24.e4 Qf7 25.a4 Kf8 26.a5 Rd6 27.h3 Qd7 28.Kh2 h6 29.ef5 ef5 30.Qe2 ba5 31.Qc4 Rd5 32.Ra1 Qd8 33.Ra5 Qa5 34.Qd5 Qb5 35.Qf5 Kg8 ½–½. Woelfelschneider – Kollmann, corr 1998.

7.c4 dc4 8.Bc4 c5 9.0-0= Bb7 10.d3 Bd5 11.Nbd2 Nbd7 12.Ne5 Ne5 13.Be5 Nd7 14.Bb2 Bf6 15.Bf6 Nf6 16.Qc2 Qc7 17.f3 Qe5 18.Rfe1 Rfd8 19.a4 Qd6 20.Ra2 Nd7 21.a5 Ne5 22.ab6 ab6 23.Ra8 Ra8 24.Rd1 Rd8 25.Kf2 Qe7 26.g3 Bc4 27.dc4 Ra8?? 28.Qe4+– Qa7 29.Qe5 Qa4 30.Ke2 Qa2 31.Qc7 Qa5 32.Nb3 Qa2 33.Ke1 g6 34.Rd8 Rd8 35.Qd8 Kg7 36.Nd2 Qa1 37.Ke2 Qh1 38.Qb6 Qh2 39.Kd3 Qh5 40.Qc6 Qf5 41.Qe4 Qf6 42.f4 Qd8 43.Ke2 h5 44.Qe5 Kh7 45.Qc5 h4 46.Qg5 Qa8 47.Qh4 Kg7 48.Qh2 Qa2 49.Qg2 Qc2 50.Qc6 Qf5 51.Qe4 Qg4 52.Qf3 Qh3 53.b6 Qh2 54.Kd3 Qh3 55.b7 Qh8 56.Qe4 Qb8 57.Qe5 (57...Qe5 58.fe5 g5 59.b8Q Kh7 60.Ne4 Kg7 61.Nf6 Kg6 62.Qg8 Kf5 63.Kd4 g4 64.Qg4#) 1–0. Nordbrink – Peske, 1980.

7.c4 dc4 8.Bc4 c6 9.a4 =.

6.a4 Bb4 7.Nf3 0-0 8.Bd3 (8.Be2 c5=) 8...Nbd7 (8...c5 9.bc6 Nc6 10.0-0=+) 9.0-0 Bb7 10.Qe1 ab5 11.ab5 Ra1 12.Ba1 Ne4 13.c3 (13.Bd4 Qe7=) 13...Be7 14.c4 Ndc5 15.Be2 Nb3 16.Bb2 Bb4 17.Nc3 (better 17.cd5!? Bd5 18.Qd1=) 17...Nbd2!–/+ 18.Nd2 Nc3 19.Nf3 Ne2 20.Qe2 Qe7 21.cd5 ed5 22.Qd3 Qe4 23.Qd4 f6 24.h3 (24.Ra1 Ra8–/+) 24...Ra8–+ 25.Nh2 (25.Bc3 Qd4 26.Bd4–+) 25…Ra5 0–1. cristero (2460) – pcmvr, net–chess.com, 2015.

6.a4 Bd7 7.Nf3+= ab5 8.ab5 Ne4?? (better is 8...Ra1 9.Ba1 Bd6+=) 9.Ra8+– Bc5 (9...f6 10.c4 Qc8 11.cd5 ed5 12.Qb3+–) 10.Bg7 Rg8 11.Bb2 c6 (11...Bd6 12.Nc3 c5 13.Ne4 de4 14.Ng5 Rg5 15.fg5 Qg5 16.Qa1 Qh4 17.g3 Bg3 18.Kd1+–) 12.Nc3 (12.Ne5 cb5 13.Qh5 Rf8 14.Nd7 Kd7 15.Bb5 Kc7 16.Ra7 Kc8+–) 12...cb5 (12...Bd6 13.g3 Qc7 14.Ne4 de4 15.Ne5+–) 13.Nb5 (better is 13.Ne4 de4 14.Ne5 Qc7+–) 13...Bb5 (13...Bc6 14.Ra7 Nd7+–) 14.Bb5 Ke7 15.0-0 (15.Ne5 Bd6 16.Qh5 Be5 17.Be5 Nc6 18.Qh4 f6 19.Rd8 Nd8+–) 15...Qc7 16.Ne5 (better is 16.Qa1 Nd6 17.Bf6 Kf8+–) 16...f6 17.Rb8! Rb8 (17...Qb8 18.Nc6 Double attack (18.Nc6 Decoy); 17...Rb8 18.Nc6 Double attack (18.Nc6 Decoy)) 18.Nc6 Kd6 (18...Kf8 19.Nb8 Qb8 20.Qg4+–) 19.Nb8 Qb8 20.Qe2 Qg8 (20...Bb4 21.c4 Qa7 22.Ra1+–) 21.d3 Ng3 22.hg3 f5 23.c4 (23.Be5 Ke7 24.Qh5 Be3 25.Rf2 Bf4 26.gf4 d4 27.Qh4 Kf8 28.Qd8 Kf7 29.Qf6) 23...Qg3 24.Rf3 Qg6 25.Be5 Ke7 26.d4 (26.Qa2 Kf7 27.Qa7 Kg8 28.Be8 b5 29.Qd7 Ba3 30.Bg6 Be7 31.Qe7 hg6 32.Qg7) 26...Bd6+– 27.cd5 Be5 28.de5 h5 29.d6 1–0. cristero (2460) – preethan (2135), net–chess.com, 2015.

6.a4 Be7 7.a5 =+.

6.Nf3 Be7 =+.

7.ab5= Ra1 8.Ba1 Bc5 9.Nf3 Nbd7 (9...0-0 10.Be2=) 10.Bd3 Bb7 (10...0-0 11.0-0=) 11.0-0 Qa8 (11...0-0 12.Bd4=) 12.Bd4 Bd4 (12...0-0 13.Nc3=) 13.Nd4+= c5 14.bc6 Bc6 15.Nc3 Nc5 (15...0-0 16.Qf3=) 16.Qb1 0-0? (better is 16...Nd3 17.Qb6 Nf4 18.Rf4 Bd7+=) 17.Qb6+– Nd3 18.Nc6 1–0. pcmvr (1700) – mgokhale (1630), net–chess.com, 2006.

7.ab5 Ra1 8.Ba1 Nbd7 =.

6.Nc3 a6 =.

6.Nf3 a6 7.Nc3 =.

6.Nf3 g6 7.c4 (7.g4 Bg7+=) 7...Bg7= 8.cd5 (8.g4 a6=) 8...Bd5 9.Be2 (9.Nc3 0-0=) 9...0-0 (9...a6 10.ba6 0-0 11.Nc3=) 10.0-0 (10.Nc3 a6=) 10...Nbd7 (10...a6 11.a4=) 11.Nc3+= Ne4 (11...c5 12.Qc2=) 12.Qc2 Nc3 (12...c5 13.Rad1+=) 13.Bc3 Nf6 14.a4 (14.Bb4 Re8+=) 14...Rc8 (14...c6 15.d3 Qe7 16.Be5 cb5 17.ab5+=) 15.Qb2 (15.d3 c6 16.Qb2 c5+=) 15...Nh5 (15...c5 16.d3+=) 16.Bg7 (16.Ne5 c5+=) 16...Ng7+= 17.d3 (17.a5 c6+=) 17...Bf3 18.Rf3 c5 19.e4 (19.a5 Nf5+=) 19...Qd4= 20.Qd4 cd4 21.Rff1 Rc3 22.Rab1 Rfc8 23.Rb4= Rd8 24.Rd1 Ne8 25.Rc4 Rc4 26.dc4 Nf6 27.Bd3 Nd7=+ 28.Kf2 Nc5 29.Bc2= Rd7 30.Ke2 Kg7 31.e5 f6 32.ef6 Kf6=+ 33.Rd2 e5 (Black fights for the initiative) 34.fe5 Ke5 35.g3 Ne4–/+ 36.Be4 Ke4 37.a5 d3–+ 38.Kd1 Rf7 39.Kc1 Rc7 40.ab6 ab6 41.c5? bc5 42.b6 Rb7 43.Rb2 c4 44.Rb5? c3 45.Rc5 Kd4 46.Rc6 Rf7 47.Rd6 Kc4 48.Rc6 Kb3 (49.Rc3 Kc3 50.Kb1 d2 51.Ka2 Rf5 52.Kb1 d1Q 53.Ka2 Ra5#) 0–1. Wilke,Hans Peter – Gragert,Torsten, Berlin Zugzwang op, 1998.

7.Nc3 Nbd7 8.a4 a6 9.Be2 ab5 10.ab5 0-0 11.Nd4 Nc5 12.Ra8 Qa8 13.0-0 Na4 14.Na4 Qa4 15.Nb3 Qa2 (15...Ne4 16.Qa1 Ra8 17.Bg7=) 16.Bf6 gf6 17.Bd3 e5?? (better 17...f5+=) 18.Qg4+– Kh8 19.Qf5 Qb3 (19...e4 20.Qf6 Kg8+–) 20.Qh7 1–0. pcmvr – cristero (2460), net–chess.com, 2015.

7.Be2 0-0 8.0-0 a6 9.Nc3 =.

7.Be2 0-0 8.0-0 Re8 9.a4 a6 =.

7.Be2 0-0 8.0-0 Re8 9.c4 dc4 10.Bc4 a6 11.Nc3 =.

7.Be2 0-0 8.0-0 Re8 9.c4 c5 10.a4 (10.Ne5 dc4 11.Nc4 Be7=) 10...a6 11.Na3 ab5 (11...Be7 12.Ne5=) 12.ab5 Nbd7 13.Qc2 Qc7 14.cd5 (14.Ra2 Ra7=) 14...Bd5 (14...ed5 15.Rfe1=+) 15.Nc4= Bc4 (15...Be7 16.d3=) 16.Bc4+= Qb7 (16...Ra1 17.Ra1 e5 18.Qb3+/–) 17.h3 (17.Ra6 Red8+=) 17...Nd5 (17...Ra1 18.Ra1 Ra8 19.Ra8 Qa8 20.Qd3+=) 18.Ng5 N5f6? (better is 18...Nf8!?+=) 19.f5 (better is 19.Ra8 Ra8 20.f5+–) 19...h6? (better is 19...Ra1 20.Ba1 Nf8+–) 20.fe6+– fe6 21.Ne6 (21.Be6!? Re6 22.Ra8 Qa8+–) 21...Kh8 22.Qf5 (better is 22.Ra8 Ra8 23.Qf5+–) 22...Qe4?? (better is 22...Ra1 23.Ra1 Bb8+–) 23.Qe4 (23.Bf6?! Nf6 24.Ng7 Be5 25.Qe4 Ne4 26.Ne8 Ra1 27.Ra1 Ba1+–) 23...Ne4 24.Bg7 (24.Ng7?! Reb8 25.Nf5 Be5+–) 24...Kg8 (24...Kh7 25.Bd5 Re6 26.Be6 Re8 27.Bd7 Re7+–) 25.Nf8 (25...Kg7 26.Rf7 Kg8 27.Rd7 Re6 28.Be6 Kf8 29.Ra8 Bb8 30.Rb8#) 1–0. Kucharkowski,Jens – Zimmer,Georg, corr SOK–93–93, 1993.

7.Be2 a6 8.Nc3 =.

7.a4 c5 8.bc6 Bc6 9.Bb5 Qc7 10.Nd4 Bb5 11.ab5 Ne4 12.Nc3 Ndf6 13.Ne4 Ne4 14.Nc6 Rg8? (14...a5 15.0-0+–) 15.d3 (better 15.f5!? ef5 16.Qh5+–) 15...Nd6+– 16.Be5 Be7 (16...Qd7 17.Qh5 h6 18.c4+–) 17.c4! Qd7 (17...dc4 18.dc4 Combination) 18.Qh5 h6 19.0-0 Nf5 20.Qe2 g6? (better 20...a5+–) 21.e4 de4 22.de4 Bc5 (22...Ng7 23.Rad1 Qb7 24.Qb2+–) 23.Kh1 Ne7 24.Rfd1 Qb7 (24...Qc8 25.Rd8 Qd8 26.Nd8 Rd8 27.Ra7+–) 25.Ra7 Qa7 26.Na7 Ra7 27.Bf6 Rd7 28.Rd7 (28.Ra1 Rd8+–) 28...Kd7 29.Qd1 Kc7 30.Qa1 Rb8 (30...Rc8+–) 31.Qa7 (31.Qa7 Rb7 32.Be5 Kd8 33.Qa8 Rb8 34.Qb8 Kd7 35.Bc7 e5 36.Qd8 Ke6 37.fe5 f6 38.Bd6 Bd6 39.Qd6 Kf7 40.e6 Kg7 41.Qe7 Kh8 42.Qf7 g5 43.e7 f5 44.e8Q) 1–0. Silent Move (2115) – DaveH (1920), redhotpawn.com, 2015.

7.c4 a6 8.Nc3 +=.

7.c4 Be7 8.Be2 (8.cd5 ed5 9.Be2 a6=) 8...0-0 (8...dc4 9.Bc4 c6 10.a4=) 9.0-0= dc4 10.Na3 (10.Bc4 c6=) 10...c3 (10...a6 11.ba6 Ra6 12.Nc4+=) 11.dc3 Bc5 (11...a6 12.c4+=) 12.Nc2= Nd5 (12...a6 13.c4=) 13.Nfd4 e5 (13...a6 14.c4 Ne7 15.Bf3 Bf3 16.Qf3+= (worse is 16.gf3 ab5 17.cb5 Nd5+=)) 14.fe5+= Ne5 15.Qe1 (15.c4 Nf6+=) 15...Re8 (15...a6 16.Qg3 Ng6 17.c4=) 16.Qg3+= Ng6 17.Nf5 Ne3 18.Nce3 Qd2 19.Bc4 (better is 19.Qf2 Be3 20.Ne3 Qe3 21.Rfe1–/+) 19...Re3–+ 20.Ne3 (20.Bf7 Kf8 21.Ne3 Be3 22.Kh1 Nf4 23.Rf4 Bf4–/+) 20…Be3 (20...Be3 21.Kh1 Nf4–+ (21...Qb2?! 22.Rab1 Qc2 23.Bb3=)) 0–1. Eriksson,B – Baeckstroem, corr Sweden, 1977.

7.Be2 Be7 8.0-0 0-0 9.a4 Re8 10.Nd4 a5 11.Nc6 (11.Nc3 Bc5=) 11...Bc6 12.bc6 Nc5 13.Rf3 Nfe4 14.d4 Na6 15.Nd2 f5 16.Ne4 fe4 17.Rg3 Bf6 18.Bb5 Re7 19.c3 Qe8 20.Qg4 Nb8 21.f5 Nc6 22.c4 (22.Ba3 Qd7 23.Be7 ef5+–) 22...Rd8 (22...h5 23.Qf4 h4 24.cd5 hg3 25.Bc6+/–) 23.Rf1 (better is 23.cd5 Rd5 24.Qe4+/–) 23...Kh8? (23...h5 24.Qf4 h4+/–) 24.fe6 Rd6 (24...dc4 25.Rf6! gf6+–) 25.cd5 Rd5 26.Rf6! (26.Qe4?! Rb5 27.ab5 Re6+–) 26...Rb5 (26...gf6 27.Qf4 Double attack (27.Qf4 Decoy)) 27.ab5 gf6 (27...Nd8 28.Ba3 h5 29.Qf5+–) 28.d5 Ne5 29.Qf5 Qf8 30.Be5 (30.Be5 Qh6 31.Bf6 Rg7 32.e7 Qh2 33.Kh2 Kg8 34.e8Q#) 1–0. Jaeger,Eric – Goebel,Knut, corr WS/O/146 ICCF, 2007.