7.Qa4 Bf5 8.Qa8 (8.d3 e5=+) 8...Qc7 9.Na3 e5 10.e3 (10.Nf3 Nf6-/+) 10...Nf6 (10...Bd6 11.Nf3 Bg4 12.c4 Bf3 13.c5 Bc5 14.bc5=+) 11.Nf3 Bd6 (11...Bg4 12.Qa4-/+) 12.Be2 (12.c4 Nfd7 13.c5 Be7=+) 12...0-0-/+ 13.Qa4 (13.Bb2 Bg4-/+) 13...Nbd7 14.Nh4 (14.Bb2 Bg4-/+) 14...Be6 15.0-0 h6 (15...e4 16.f4-/+) 16.g3 (16.h3 b5 17.Qc2 e4-/+) 16...Bh3 (16...Nb6 17.Qb3-/+) 17.Rd1 e4 18.Rc1 (18.d3 ed3 19.Bd3 Bg4-/+) 18...b5 19.Qb3 (19.Qc2 Ne5-/+) 19...Ne5-+ 20.Nc2 (20.Rd1 Ra8-+) 20...g5-/+ 21.Ng2 Qd7 (21...Bg4 22.Bg4 Nfg4 23.Nge1-/+) 22.Nd4 Bg4 (22...Ra8 23.Qd1-/+) 23.Qd1 (23.Bf1 Ra8-/+) 23...Nd3 (23...Be2 24.Qe2 g4 25.Nf4-/+) 24.Rb1 Be2 25.Qe2 Be5 (25...g4 26.Ne1 Ne1 27.Re1-/+) 26.f4 (26.Ne1 Ne1 27.Re1 Ra8=+) 26...Bd4 27.fg5 (27.cd4 Qg4 28.Qf1 Qf3-/+) 27...hg5 (27...Qg4 28.Qg4 Ng4 29.cd4 hg5 30.h3-/+) 28.ed4 Qh3 (28...Qg4 29.Qf1 Qf3 30.Ne1 Qf1 31.Kf1-/+) 29.Ne1 (29.Qe3!? Qh5 30.h3-/+) 29...Ng4-+ 30.Nd3 (better 30.Qg2 Qg2 31.Kg2-+) 30...ed3 31.Qg2 Qg2 32.Kg2 Re8 33.h3 (33.Kh3 Nf2 34.Kg2-+) 33...Re2 34.Kg1 Nh2 35.Rb2 Nf3 36.Kf1 Nd2 37.Kg1 (37.Rd2 Rd2 38.Ke1-+) 37...Nf3 38.Kf1 Nh2 39.Kg1 Rb2 (39...Rb2 40.Bb2 d2 41.Kh2 d1Q-+) 0–1. Whalley,Peter – Muniz Pardino,Alberto, Hong Kong International Open Chess Cham, 2012.

7.Qb3 Bf5 8.e3 e6 9.Be2 Nf6 10.Nf3 Be7 11.Bb2 0-0 12.Ba3 Nbd7 13.c4 dc4 14.Bc4 Ra8 15.Bb2 Bb1 16.Bf6 Nf6 17.Qb1 Qb4 18.Qb4 Bb4 19.0-0 Ne4 20.d4 Nd6 21.Bd3 Ra3 22.Bc2 Ra2 23.Bd3 Bc3 24.Ng5 h6 25.Ne4 Ne4 26.Be4 Ra1 27.Ra1 Ba1 28.Kf1 Kf8 29.Ke2 Ke7 30.Kd3 Kd6 31.Kc4 e5 32.de5 Be5 33.h3 b5 34.Kb3 c5 35.Bb1 Kc6 36.e4 c4 37.Kb4 Bd6 38.Kc3 Kc5 39.f3 Be5 40.Kd2 Kd4 41.Ba2 b4 42.Bb1 b3 43.Ke2 c3 44.Kd1 c2 45.Bc2 bc2 46.Kc2 Ke3 47.Kb3 Kf2 48.Kc4 Kg2 49.Kd5 f6 50.Ke6 Kf3 51.Kf7 Ke4 52.Kg7 f5 53.Kh6 f4 54.Kg5 f3 55.h4 f2 56.h5 f1Q 57.h6 Qf6 58.Kh5 Bf4 59.h7 Qg5 0–1. aqqqpppa (1735) – lukki67 (2005), lichess.org, 2017.

7.d3 g6 8.Nf3=+.

7.d4 Bg4 8.h3 Bf5 9.Nf3 Nf6 10.e3 e6 11.Be2 Bd6 12.Nh4 Be4 13.Nd2 0-0 14.0-0 Nbd7 15.f3 Bg3 16.fe4 Bh4 17.Nf3 Bg3 18.ed5 Nd5 19.Qc1 Ra8 20.Bd3 f5 21.Ng5 Nf8 22.Bc2 (22.Bb2 Qc7=) 22...Qd8 23.Nf3 Qf6 24.e4 Bf4 25.Qb1 Ne3 26.e5 Qg6 27.Rf2 Qg3 (27...Nc2?! 28.Rc2 Be3 29.Kh2=+) 28.b5 Ng2! (28...Nc2?! 29.Rc2 cb5 30.Ra2 Be3 31.Kh1-/+) 29.Rg2 Be3 30.Kh1 Qf3 31.bc6 Qh3 32.Rh2 Qf3 33.Rg2 bc6 34.Bb2 Ng6 35.Qd1 Nh4 (better is 35...Qd1 36.Bd1 c5-+) 36.Qf3-/+ Nf3 37.Rg3 Rb8 38.Rf3 Rb2 39.Bf5 ef5 40.Re3 f4 41.Re4 f3 (better is 41...g5!?-+) 42.Rf4=+ Rf2 (better is 42...f2!?=+) 43.Kg1+= Rc2 44.Rf3 g5 45.Rf5 Rc1 46.Kf2 Rc2 47.Ke3 Rc3 48.Kd2 Rg3 49.e6 h5?? (better is 49...Rb3+=) 50.e7+– Rg2 51.Ke3 (51...Re2 52.Ke2 g4 53.e8Q Kg7 54.Qf7 Kh6 55.Rh5#) 1–0. MacChess 5.0 – Sigma 4, 2000.

7.d4 g6 8.e3 Bg7 9.Nd2 Nf6 10.h3 0-0 11.Ngf3 Nbd7 12.g4 Qc7 13.g5 Ne8 14.c4 b6 15.b5 Qa7?? (better is 15...Nd6=) 16.bc6+– (16.bc6 Nb8 17.cd5+–) 1–0. Trkn – Lars Rudolph, itsyourturn.com, 2001.

7.e3 Qc7 8.b5 e5 9.bc6 bc6 10.c4 Nf6 11.cd5 cd5 12.Nf3 Nbd7 13.Bb5 Bd6 14.Nh4 0-0 15.0-0 Nc5 16.Qc2 Qa5 17.Qb2 Be6 18.Nc3 Rb8 19.Rb1 d4 20.ed4 ed4 21.Ne2 Na4 22.Qc2 Rb5 23.Rb5 Qb5 24.Nd4 Qc4 25.Qc4 Bc4 26.Ndf5 Bb4 27.Bf6 gf6 28.d4 Nc3 29.Ne3 Bd3 30.Nhf5 Ne2 31.Kh1 Kf8 32.f3 Bd2 33.d5 Nd4 34.Nd4 Be3 35.Nc6 Bc4 36.d6 Ke8 37.h4 Kd7 38.Ne7 Bf2 39.h5 Kd6 40.Nf5 0–1. Bonetti,Shane – CT15COMP (2410), ICC, 2002.

7.e3 Nf6 8.Nf3 Bf5 (--> 7.Nf3 Nf6 8.e3 Bf5).

7.Nf3 e6 8.g3 Qa7 9.Bb2 Be7 10.Bg2 Nf6 11.0-0 0-0 12.Na3 Nbd7 13.Qb3 Ne4 (13...Qb6 14.Nc2+=) 14.d3= Nd6 15.Ra1 Qb8 16.c4 dc4 17.dc4 Bf6 (17...c5 18.b5+=) 18.Bf6 Nf6 19.c5 Nf5 20.Rd1 Qc7 21.e4 (21.Qd3 b6 22.e4 Ne7+/-) 21...Ne7 (better is 21...Ne4 22.Nc4 Nf6+=) 22.e5+/- Nd7 23.Nc4 b5 24.cb6 Nb6 25.Nb6 Qb6 26.Qc3 (26.Nd4 Bb7+=) 26...Rd8 (26...Nd5!? 27.Qc5 Qb4 28.Qc6 Bb7=) 27.Rd8+= Qd8 28.Qd4 Qd4 29.Nd4 Nd5? (better is 29...Bd7+=) 30.Nc6+– g6?? (better is 30...Kf8+–) 31.Bd5 ed5 32.Ne7 Kf8 33.Nc8 Ke8 34.Kf1 Kd7 35.Nb6 Ke6 36.f4 h6 37.Ke2 g5 38.fg5 hg5 39.h4 gh4 40.gh4 Ke5 41.Nd5! 1–0. Cccmember – Valpa, playchess.de, 2004.

7.f4 Bf5 8.d4 (8.Nf3!?=) 8...Nf6-/+ 9.h3 (9.Nf3 Ng4 10.Qc1 e6-/+) 9...Nh5 10.Nf3 Nf4 11.e3 Ng6 (11...Nh5 12.Kf2-/+) 12.Be2 e5 13.0-0 Bb1 14.Qb1 e4 15.Nd2 Be7 16.Rd1 (16.Qe1 Bd6-/+) 16...0-0 17.b5 Nd7 (17...Bg5 18.Nf1-/+) 18.bc6 bc6 19.Qb6 Nb6 20.Rb1 Rb8 21.c4 Bg5 22.Kf2 f5 23.g3 Bd8 24.Bc3 Bc7 25.cd5 (25.Ba5 Na8 26.Rb8 Bb8=+) 25...Nd5 26.Rc1 Nge7 27.Nc4 g5 28.Ba5 Ba5 29.Na5 Rb6 30.Nc4 Rb3 31.Ne5 (31.Bd1!? Rb4 32.Be2-/+) 31...Ne3 32.Nc6 N7d5 33.Rc5 Kg7 34.Ne5 (34.Na5 Rb4-+) 34...Rb2 35.Nc4 Nc4 36.Rd5 e3 37.Kf1 Nd2 38.Kg2 Ne4 39.Kf3 Kg6 40.Rb5= Ra2 41.Rb6 Kg7 42.Ra6 Rb2 43.Ra7 Kf6 44.Ra6 Ke7 45.Ra5 Nc3 46.Re5 Kd6 47.Rf5? Re2 48.Rc5 Rc2 49.Ke3 Nd5 50.Kf3 Rc5 51.dc5 Kc5 52.Kg4 Ne7 53.Kg5 Ng8 54.Kf5 Kd6 55.g4 Ke7 56.g5 Kf7 57.h4 Ne7 58.Kg4 Ke6 59.Kf4 Kd5 60.h5 Kd6 61.Ke4 Ke6 62.Kf4 Kd5 63.h6? Ke6 64.Kg4 Kf7 65.Kh5 Nd5 66.g6? hg6 67.Kg5 Nf6 (68.Kf4 Kg8-+) 0–1. Sundin,Thommy – Myrberg,Johnny, corr SSKK M–158, 1990.

7.g3 Nf6 8.Bg2 Bf5 9.d3 e5 10.h3 e4 11.d4 Bd6 12.Nd2 (better is 12.e3-+) 12...e3! 13.Ndf3?? (13.fe3 Bg3 Deflection) 13...ef2 14.Kf2 Ne4 15.Ke3 (15.Kf1 Ng3 16.Kf2 Nd7-+) 15...Bg3 16.Nh4 (16.Ne5 c5! 17.Ng4 Bg4 18.Be4-+) 16...Bf2 17.Kf3 Bh4 18.e3 Ng5 19.Kf4 Qc7 20.Kf5 g6 21.Kf6 Ne6 0–1. slihuatamanio – parols (1870), kurnik, 2013.

8.Nc2 Bd6 (8...Nf6 9.Nf3+=) 9.Nf3 f6 10.e3 Ne7 11.Be2 (11.c4 Qa7+=) 11…0-0 0–1. Essen,Wim van (1930) – Niewold,Jaap (1790), Dutch, 2009.

8.e3 Bd6 9.Nf3=+.

8.e3 f5 9.Nf3 Bd6 (9...e4 10.Nd4=) 10.Be2 (10.c4 Nd7 11.cd5 cd5=) 10...Be6 (10...Nf6 11.Nc2 Qc7 12.c4 dc4 13.Bc4=) 11.0-0 Nf6 12.Nc2 h6 (12...Nbd7 13.d3=) 13.Nh4 (13.c4 dc4 14.Be5 Qc7+–) 13...0-0= 14.Ng6 Re8 15.c4 Nbd7?? (better 15...dc4 16.Be5 Qc7 17.Bf6 gf6=) 16.c5+– Nc5 17.bc5 Qc5 18.Be5 Bf7 19.Bd6 Qd6 20.Nf4 g5 21.Nd3 c5 22.Nce1 (22.f4 Be6+–) 22...b5 23.Qc2 Bg6? (better 23...c4 24.Nb2 f4+–) 24.Qc5 (24.Nc5!? b4+–) 24...Qc5 25.Nc5 d4 (25...Rb8 26.Nc2+–) 26.Bb5 Re5 (26...Rb8 27.Bc4 Bf7 28.Bf7 Kf7 29.Ned3+–) 27.Ned3 de3 (27...Re7+–) 28.Ne5 (28.Ne5 ef2 29.Rf2+–) 1–0. Markzela (1785) – Drunkenstyle36 (2095), lichess.org, 2020.

8.e3 Bf5 9.Nf3 e4 (9...Bd6 10.Qa4=+) 10.Nd4= Bg6 11.Nac2 Nd7 12.Be2 Ne5 13.0-0 Bd6 14.f4 ef3 15.Bf3 Nf6 16.Ne1 (16.Be2 0-0=+) 16...0-0 17.Be2 Ra8 18.Nef3 h6 (18...Nf3 19.Nf3 Ng4 20.h3=+) 19.Bb2 (19.Ne5 Be5 20.Nf3 Bd6=+) 19...Ra2 (19...Nd3 20.Ba1=+) 20.Qb3 Qa7 21.Ne5 Be5 22.b5 (22.Nf3 Ne4=+) 22...c5 23.b6 (23.Nf3 c4 24.Qb4 Bc7-/+) 23...Qa4 (better 23...Qa5!? 24.Nf5 c4-+) 24.Qa4-/+ Ra4 25.Nb5 (25.Nf3 Bd6-/+) 25...Ra2-+ 26.Bc1 Ra6 (better 26...Nd7-+) 27.d4=+ cd4 28.ed4 Bb8 29.Nd6? (29.Bh6!? Rb6 30.Bf4=+) 29...Rb6 (better 29...Ra2!? 30.Nb7 Re2-+) 30.Nc8 Rb1 (30...Rb3!? 31.Ne7 Kh7 32.Ng6 fg6-/+) 31.Ne7=+ Kf8?? (better 31...Kh7 32.Ng6 fg6=+) 32.Ng6+- fg6?? (32...Kg8 33.Ne7 Kf8 34.Nd5 Rc1 35.Rc1 Nd5+-) 33.Bd3 (better 33.Ba3 Rb4 34.Bb4 Kg8 35.Be7+-) 33...Ra1 (33...Rb3 34.Bh6 gh6 35.Rf6 Ke7 36.Rg6 Rc3 37.Rg7 Kf6 38.Rg6 Kf7 39.Bf5=+) 34.Bg6= Bc7 35.g3 Ba5 36.Bd2 Rf1 (36...Ra2 37.Rf2=) 37.Kf1+= Ke7 38.Ke2 Ke6 39.Kd3 b5 40.h3 Bc7 41.g4 Bd6 42.Bf5 Ke7 43.g5 hg5 44.Bg5 Kd8? (better 44...Kf7!?+=) 45.Bf6+- gf6 46.Be6 Kc7 47.Bd5 Bf4 (47...Bg3 48.Be4+-) 48.Be4 (48.h4 Kd6 49.Be4 Bc1+-) 48...Bg5 49.h4 Bh4 50.Ke3 (50.Ke2 Bg3+=) 50...Kb6 (50...Be1 51.Bd3 Bc3 52.Bb5 f5=) 51.Kf3 (better 51.Bf5!?+=) 51...Be1=+ 52.Kg4 (52.d5 Kc5 53.Bd3 Bc3=+) 52...Bc3-/+ 53.Kf5? (better 53.d5-/+) 53...Bd4-+ 54.Ke6 (54.Bb1 Be5-+) 54...Be5 (better 54...Kc5!? 55.Kf5-+) 55.Kd5 Ka5 56.Kc5 Ka4 (better 56...Bf4!?-+) 57.Bc6 The isolani on b5 becomes a target (57.Bc2 Ka3 58.Kb5 Kb2=+) 57...Ka3 58.Bb5 Kb2 59.Bc6 (59.Kd5 Kc2=+) 59...Kc2 (59...f5 60.Kd5 Bc7 61.Ke6-/+) 60.Be4 Kd2 61.Kd5 Ke3 62.Ke6?? (62.Bf5 Kf4 63.Bd3 Bc3=+) 62...Kf4 (62...Ke4 63.Kd7 f5 64.Kd8 f4 65.Kc8 f3 66.Kb7 f2 67.Ka7 f1Q 68.Kb6 Kd5 69.Ka5 Qb1 70.Ka4 Kc4 71.Ka5 Qb5) 63.Bf5 Kg5 64.Bh7 Kf4 65.Bf5 Kg5 66.Bd3 (66.Bh7!?=) 66...Kh6 67.Bf5 Kg7 68.Bd3 Kf8 69.Bf5 Ke8 70.Bd3 Kf8 71.Bf5 Kg7 72.Be4 (72.Bd3 Bd4=+) 72...Kh6 73.Bf5 Kg5 ½-½. black_bishop_88 (2535) - Lalarttu (2585), lichess.org, 2020. (=1.a3 d5 2.b4 a5 3.Bb2 ab4 4.ab4 Ra1 5.Ba1 c6 6.c3 Qb6)

8.Qa5 Qa5-/+ 9.ba5 Bf5 10.d3 Nf6 11.h3 Nbd7 12.g4 Bg6 13.Nd2 h5 14.g5 Ng8 15.Ngf3 h4 16.Bg2 Bd6 17.d4? (better is 17.c4=) 17...e4-+ 18.Ne5 Ne5 19.de5 Be5 20.e3 Ne7 21.0-0 Kd7 22.f4 (22.c4 f6-/+) 22...ef3! 23.Nf3 (23.Nf3 Bg3 Combination; 23.Rf3 Rh5 Combination; 23.Bf3 Bf5 Combination) 23...Bd6 24.c4 dc4 25.Bg7 Ra8 26.Nh4 Ra5 27.Ng6 fg6 (27...Ng6 28.Rf7 Be7 29.Bf6-/+) 28.h4 b5 29.Bf6 Bg3 (29...Ra3 30.e4-+) 30.Be7? (30.h5 gh5 31.Rd1 Bd6 32.g6-+) 30...Ke7-+ 31.Rf6 (31.h5 gh5 32.g6 Be5 33.Bc6 b4-+) 31...Ra1 32.Bf1 Bh4 33.Rg6 Kf7?? (better is 33...b4 34.Kg2 c3 35.Rc6 Ra2 36.Kf3 Rf2 (36...Bg5?! 37.Bd3-+) 37.Kg4 Rf1 38.Kh4 Rc1-+) 34.Rf6 Kg7 35.Rc6 Bg5 36.e4 Ra2 (36...Re1 37.Kg2-/+) 37.e5? (37.Bc4 Be3 38.Kf1 bc4 39.Rc4 Kf6=) 37...Bf4 (37...Rc2!? 38.Bh3 Be3 39.Kf1 Bd4-/+) 38.e6 Kf6 39.Bh3?? (better is 39.Bc4 bc4 40.e7 Ke7 41.Rc4=) 39...Rc2-+ 40.Rc8 Bd6 41.Rh8? (41.Rd8 Bc5 42.Kf1-+) 41...b4 42.Rh6 (42.Rh7 b3 43.Rf7 Kg5-+) 42...Kg5 43.Rh7 (43.e7 Be7 44.Rh7 Bc5 45.Kh1 b3-+) 43...b3 44.Rf7 b2 45.e7 (45.Rb7-+) 45...b1Q 46.Rf1 Bc5 47.Kh1 Qb7 0–1. tunczyk2 – ab45ad46, kurnik, 2014.

8.Qa8 Bd6-/+ 9.e3 Nf6 10.Na3 0-0 11.Be2?? (better 11.Qa4-/+) 11...Na6-+ 12.Ba6 (12.f4 Bg4 (worse 12...ef4 13.c4 Bg4 14.Qf8 Bf8 15.Bf6 Be2 16.Ke2-+) 13.Qf8 Kf8 14.fe5 Be5 15.Bg4 Ng4-+) 12...ba6 (12...Qa6?! 13.Qa6 ba6 14.Bb2-/+) 13.c4 Bh3!! 14.c5 (14.Nh3 Ra8 Discovered attack; 14.gh3 Ra8 Discovered attack) 14...Ra8 (worse 14...Qb4 15.Qa6 Qc5 16.Ne2 Bg2 17.Rg1-+) 15.cb6 Bg2 16.Ne2 (16.Nf3 Bf3 17.Rg1 Rb8-+) 16...Bh1 17.d4 (17.f4 ef4 18.Bf6 gf6 19.ef4 Bb4 20.Nc2-+) 17...Bb4 18.Kf1 (18.Bc3 Ba3 19.de5 Nd7-+) 18...Ba3 19.de5 Nd7 20.Bd4 c5 21.b7 Rb8 22.Kg1 Bf3 23.Bc3 Be2 24.e6 fe6 25.f4 Bc1 26.e4 d4 27.f5 Be3 28.Kg2 dc3 29.fe6 (29.Kh3 ef5 30.Kg2 c2 31.Kh3 c1Q 32.ef5 Bf2 33.f6 Qf1) 29...c2 30.ed7 (30.Kg3 c1Q 31.Kh3 Bf2 32.ed7 Qf1) 30...c1Q 31.d8Q Rd8 32.Kg3 (32.Kh3 Bf2 33.b8Q Qf1) 32...Qg1 33.Kh3 (33.Kh4 Qh2) 33…Qg4 0-1. toronga123 (1660) - patrickyang (2240), Rated Classical game, lichess.org, 2014.

8.Nf3!? Nd7 9.Qa8+=.

8.e3 Bf5 9.Na3 e5 10.Ne2 Bd6 11.Ng3 Bg6 12.Be2 Ke7 (12...0-0 13.0-0-/+) 13.0-0 Re8 14.Rb1? (14.h4 h6=) 14...Kf8 (better is 14...Bb1 15.Nb1 g6-+) 15.Rb2 Nbd7 16.c4 Qc7 17.c5 Be7 18.d4 (18.Ra2!?+=) 18...ed4-/+ 19.ed4 Kg8 20.b5 Bf8 21.bc6 bc6 22.Qb4 Qf4 23.Qd2 Qd2 24.Rd2 Ra8 25.Bb2 Ne4 26.Ne4 Be4 27.f3 Bf5 28.Bd3 Bd3 29.Rd3 g6 30.Kf2 Bg7 31.Kg3? (31.Rb3 h6=) 31...h5?? (better is 31...Nc5 32.Rd1 Nb3-+) 32.Rb3+= Rb8 33.Rb8 Nb8 34.Nc2 Na6 35.Ne3? (35.Bc1 Nc7=) 35...Nc7 (35...Nc5 36.Nc2-+) 36.Kf4? (36.Nc2 Ne6+=) 36...Nb5?? (36...Ne6 37.Kg3 Bd4 38.Bd4 Nd4 39.Kf2-+) 37.g4? (better is 37.Nc2!?=) 37...hg4 (37...Nd4 38.Bd4 Bd4 39.Ng2-+) 38.fg4? (better is 38.Nc2 gf3 39.Kf3-/+) 38...f6?? (better is 38...Nd4 39.Nd1 Ne6 40.Ke3 Nc5-+) 39.h4 Kf7 40.g5?? (better is 40.Nc2=) 40...fg5 41.Kg5 Nc7?? (better is 41...Nd4 42.Kg4 Nf5-+) 42.Ng4?? (better is 42.Kg4+=) 42...Ne6 0–1. rvac066 – inspcluzzooo, kurnik, 2014.

8.Nf3 e6 9.e3 Bd6 10.Be2 Nbd7 11.0-0 e5 12.d3 Bb8 (12...Qa6 13.Qa6 ba6 14.c4=) 13.Nbd2 e4 14.Nd4 Qc7 15.g3 h5 16.c4 (16.de4 de4 17.Qc2 c5+=) 16...h4 (16...ed3 17.Bd3 dc4 18.Nc4+=) 17.cd5= hg3 (worse is 17...cd5 18.Nf5 hg3 19.hg3+=) 18.fg3 Rh2 (better is 18...ed3!? 19.d6 Qd6+=) 19.d6+/- (19.Kh2?? Qg3 20.Kh1 Qh2) 19...Qd6 20.Nf5 (20.Kh2?? Qg3 21.Kh1 Qh2) 20...Qc7 21.Kh2 Nb6 22.Qa5 Bf5 23.Qe5? (better is 23.Be5! Qe5 24.Qe5 Be5 25.Rf5+=) 23...Qe5-+ 24.Be5 Be5 25.Rf5+= Bc3 26.Nc4 ed3-/+ 27.Bd3 Nc4 28.Bc4 Bb4 29.Kg2 Ke7 30.Re5 Kf8 31.Rf5 Ke7 32.Kf1 b5-/+ 33.Ba2 Bd6 34.Ke2 g6 35.Rf3 c5 36.g4 c4 37.Rf1 Ne4 38.Rc1 Ba3 39.Rc2 Nd6 40.Rc3 Bb4 41.Rc1 Ke6?? 42.Rb1= Ba5 43.Rb5 ½–½. Saradjen,Janko (2190) – Veber,Bojan (2120), Portoroz op, 2003.

8.Nf3 Bg4 9.e3 e5 (9...Bf3 10.gf3 e5 11.c4=+) 10.h3 (better 10.Ne5!? Bf5 11.Bd3 Bd3 12.Nd3+=) 10...Bf3=+ 11.gf3 Bd6 12.f4 (12.c4!? dc4 13.Bc4=+) 12...ef4-/+ 13.b5 Nbd7 14.bc6?? (14.c4!? 0-0 15.cd5 cd5 16.Bd4-/+) 14...bc6 (better 14...Qb1 15.Ke2 bc6 16.Qc6 f3 17.Kf3 Qf5 18.Ke2 Ne4-+) 15.Qa6?? (15.Qc2-+) 15...Qa6 (better 15...Qb1 16.Ke2 0-0-+) 16.Ba6 0-0 17.ef4 (17.c4 Ra8 18.Bf6 Nf6 19.c5 Bc5 20.Bd3-+) 17…Ra8 (17...Ra8 18.c4 Ra6 19.Bf6 Nf6 (worse 19...gf6 20.cd5 cd5 21.f5-+) 20.cd5 Nd5-+; 17...Bf4?! 18.Bd3-+) 0-1. EvgeniyR - Kilimandscharo (2175), Hourly Bullet Arena, lichess.org, 2018.

8.Nf3 Bd6 9.d4 (better is 9.c4 dc4 10.Qc4+=) 9...e4-/+ 10.Ne5? (better is 10.Nfd2-/+) 10...f6-+ 11.Nc4 dc4 12.Qc4 Ne7 13.e3 Nd5 14.Nd2 f5 15.Be2 Nd7 (15...Be6 16.Qb3 Qc7 17.Nc4-+) 16.0-0 N7f6 17.Nb3 (17.Qb3 Qc7-+) 17...0-0 18.Nc5 Bc5 (18...Qa7!? 19.b5-+) 19.dc5 Qc7 20.Qb3 Kh8 21.c4 Ne7 22.Rc1 Ng4 23.Bg4 fg4 24.Qb2 Ng6 25.b5 Qf7 26.Qd4 (26.Rc2 Rd8 27.Rc1 Be6-+) 26...Bf5 (26...Qf2 27.Kh1 Qf1 28.Rf1 Rf1) 27.bc6 bc6 28.Rd1 h5 29.Qd6 (29.Bc3 Kh7-+) 29...Qe6 (29...Kh7 30.Bb2-+) 30.Qg3 (30.Qe6 Be6 31.Rd6 Rb8-+) 30...Qc4 31.h3? (31.Qc7 Rf7 32.Qc6-+) 31...Qc5 32.hg4 Bg4 33.f3 (33.Qc7 Qe7 34.Qe7 Ne7 35.Rd4-+) 33...Qe3 34.Kh1 (34.Qf2 Qf2 35.Kf2 ef3-+) 34...ef3 35.gf3 (35.Kh2 Rf4 36.Bd4 Rd4 37.Rd4 Qd4 38.gf3 Qd2 39.Qg2 Qg2 40.Kg2-+) 35...Qf3 (35...Bf3 36.Kh2 Qe2 37.Kg1 Qd1 38.Kf2 Be4 39.Bf6 Rf6 40.Qf3 Rf3 41.Kg2 Nf4 42.Kh2 Rh3) 36.Qf3-+ Bf3 37.Kh2 Bd1 38.Kg3 Rf4 39.Bb2 (39.Kg2 h4 40.Bc3 Rg4 41.Kf2 h3 42.Ba1 h2 43.Bg7 Kg8 44.Bc3 h1Q 45.Ke3 Qh2 46.Kd3 Qe2) 39...Rf3 40.Kg2 Rb3 (40...c5 41.Bc1 h4 42.Kh1 Rg3 43.Bb2 Bf3 44.Kh2 Rg2 45.Kh1 Nf4 46.Bg7 Rg7 47.Kh2 Rg2 48.Kh1 Rf2 49.Kg1 Nh3) 41.Bc1 Bg4 42.Bg5 Kh7 (42...h4 43.Kg1 h3 44.Bd8 Rb1 45.Kf2 h2 46.Ke3 h1Q 47.Ba5 Rb3 48.Bc3 Qe1 49.Kd4 Qc3 50.Ke4 Qe5) 43.Bd8 Nf4 44.Kf2 Nh3 45.Kg2 Kg6 46.Bc7 Kf5 47.Kh2 (47.Bd6 h4 48.Bc5 Rb2 49.Kf1 Bf3 50.Ke1 Nf4 51.Ba3 Nd3 52.Kf1 Rb1 53.Bc1 Rc1) 47...g5 (47...Rb2 48.Kg3 g5 49.Be5 h4) 48.Kg2 (48.Be5 Ke5 49.Kh1 h4 50.Kg2 Rb2 51.Kf1 Rd2 52.Ke1 Rd1) 48...h4 (48...Bf3 49.Kh3 Rb2 50.Kg3 Bg4 51.Be5 h4) 49.Kh2 (49.Kf1 Bf3 50.Ba5 Rb1 51.Be1 Bg4 52.Kg2 Re1 53.Kh2 Bf3 54.Kh3 Rh1) 49...Rb2 50.Kh1 Bf3 0–1. ateistawolnyx – lecram8 (1650), kurnik, 2013.

8.Nf3 Nd7 9.e3 Ngf6 10.Be2 e4 11.Nd4 Ne5 12.f4 ef3 13.Nf3 Nf3 14.Bf3 Bd6 15.0-0 Qa6 16.Bb2 Bh2 17.Kf2 Bg4 18.Rh1 Ne4 19.Be4 Qe2# 0–1. pawelpit – robik1, playok.com, 2012.

8.e3 e5 9.Nf3 Bd6 10.Be2 0-0 11.0-0 Be6 12.d4 e4 13.Nfd2 Nbd7 14.Na3 Ra8 15.Rb1 Qc7 16.c4? (better is 16.h3!?-/+) 16...Bh2-+ 17.Kf1 Bd6 18.cd5 Bd5 19.Bc4 Nb6 20.Bd5 Nbd5 (20...Nfd5?! 21.Ne4 Bb4 22.Nc2-/+) 21.Nc2 Qb6 (21...h5 22.Nc4-+) 22.Nc4 Qb5 23.Kg1 Bb4! 24.Nb4 Qb4 25.Qb4 Nb4 26.Bc3 Nbd5 27.Bd2 b5 28.Ne5 Ra6 29.Rc1 Ne7 30.Bb4 Ned5 31.Bd6?? (31.Bd2 g5 32.Nc6-/+) 31...g6 32.Rc6 Rc6 33.Nc6 Nd7 34.Kf1 f5 35.Ke2 Kf7 36.f3 Ke6 37.fe4?? (37.Bc5 Nc5 38.dc5 Nc7-+) 37...fe4 (better is 37...Nc3 38.Kd3 Kd6 39.ef5 gf5-+) 38.Bb4 Nb4 39.Nb4 Nb6 40.Kd2 Nc4 41.Ke2 g5 42.d5? (better is 42.g4-+) 42...Kd6 43.Kf2 h5 44.Kg3 (44.Na2-+) 44...Ne3 45.Kf2 (45.Na2 Nd5 46.Nc1 Kc5 47.Nb3 Kc4 48.Na5 Kc3-+) 45...Nd5 46.Nc2 (46.Na2 Kc5 47.g4 e3 48.Kf3 hg4 49.Kg4 e2-+) 46...Kc5 Black intends b4 47.Ke2 (47.g4 hg4 48.Na1-+) 47...b4 48.Kd2 b3 49.Na3 Kb4 50.Nb1 e3 51.Kd3 e2! 52.Ke2 Nc3 53.Nc3 Kc3 54.Ke3 b2 55.Ke4 b1Q 56.Ke5 Qb5 57.Kf6 Kd4 58.Kg6 (58.g4 hg4 59.Ke7 g3 60.Kf7 g2 61.Ke7 g1Q 62.Kf6 Qgf1 63.Kg7 Qd7 64.Kg6 Qfh3 65.Kg5 Qdf5) 58...Ke4 59.Kh5 (59.Kf6 Qc6 60.Kg7 Ke5 61.g3 Qf6 62.Kg8 Qg6 63.Kf8 Ke6 64.g4 Qf7#) 59...g4! 60.Kg4 (60.Kg6 Qc6 61.Kg5 g3 62.Kg4 Qg6 63.Kh4 Kf4 64.Kh3 Qg4) 60...Qf5 61.Kg3 Qf4 (61...Ke3 62.Kh4 Kf4 63.g3 Kf3 64.g4 Qg4) 62.Kh3 Qg5 63.g3 (63.Kh2 Qh4 64.Kg1 Qe1 65.Kh2 Kf4 66.g4 Qg3 67.Kh1 Kf3 68.g5 Qg2) 63...Kf3 64.Kh2 Qg3 65.Kh1 ½–½. ateistawolnyx – krystian97 (1615), kurnik, 2014.

8.e3 e5 9.h3 Bd6 10.Nf3 Bf5 11.d3 (11.c4!? Qb4 12.Qb4 Bb4 13.Be5+=) 11...Qa6 12.Bb2 Bd3 13.c4 (better is 13.Bd3 Qd3 14.Qd1-+) 13...dc4 (13...Bb1?! 14.c5 Qa2 15.Qa2 Ba2 16.cd6+=) 14.Qc3 (14.Bd3 cb3 15.Ba6 Na6 16.Be5 Be5 17.Ne5 Nb4 18.Nd2-+) 14...Ne4 15.Qc1 Bb4 16.Nbd2 (16.Bc3 Bc3 17.Nc3-+) 16...c3 17.Bc3 Bf1 18.Nf1 Nc3 19.N1d2 Qe2 0–1. ateistawolnyx (1605) – parols (1680), kurnik, 2014.

8.e3 Bf5 9.d3 (9.Nf3 Nbd7-/+) 9...e5 10.Ne2 (10.Nf3 Bd6-/+) 10...Bd6 (10...Bd3 11.Nd2-+) 11.Nd2 0-0 (11...Bd3!? 12.Ng3 Bf1-+) 12.Ng3-/+ Be6 13.Qb2 Nbd7 14.Be2 Ra8 15.0-0 e4 16.d4 (16.de4 Ne4 17.Nde4 de4+=) 16...Qa7 (16...h6 17.b5-/+) 17.Qb3 b5 18.Bb2 Nb6 19.Ra1 Qb7 20.Ra8 Qa8 21.Qa3 Qa3 22.Ba3 h5 (better is 22...Na4!? 23.Nb1 g5-/+) 23.Nh5= Nfd7 (23...Nh5 24.Bh5 Na4 25.Nb1=) 24.Ng3 (24.Bb2 g5+=) 24...f5 25.Bb2 f4 26.Ngf1 g5 27.ef4 gf4 28.f3 e3 29.Nb1 Bf5 30.Na3 Na4 31.Ba1 Ndb6 32.g3 fg3?? (better is 32...Kg7+=) 33.hg3+– Nc4 (33...Bg6!?+–) 34.Nc4 bc4 35.Ne3 Bd7 36.g4 (36.f4 Be8+–) 36...Bf4 37.Kf2 Kf7 38.Ng2?? (better is 38.Bd1 Nb6 39.Bb2+–) 38...Bd2+= 39.b5 (better is 39.Ne3 Nc3 40.Nf1 Ne2 41.Nd2+=) 39...cb5-/+ 40.Kg3? (40.Ne3!? Nc3 41.Bb2-/+) 40...Nc3 (40...Bc3 41.Bc3 Nc3 42.Nf4-+) 41.Bc3? (better is 41.Kf2-/+) 41...Bc3-+ 42.Nf4 (42.Ne3 Bc6 43.g5 Bd4-+) 42...Be6 0–1. rvac066 – inspcluzzooo, kurnik, 2014.

8.Nf3 Bd6 9.c4 Qb4 (9...Bb4? 10.Be5 Ne7 11.Bb8+–) 10.Ne5 (10.cd5 f6=) 10...Nf6 (10...f6!? 11.Bc3 Qb6=+) 11.cd5= Nd5 12.Nc4 0-0 13.Bb2 Re8 (13...Bc5!?=) 14.Ba3+/- (< 14.Nd6 Qd6 15.e3 Na6 16.Ba6 ba6=+) 14...Bf5 15.Qc1 (15.Bb4?! Bc2 16.Nd6 Re7=) 15...Qb1 16.Nd6 Rd8 17.Qb1 Bb1 18.Nb7 Rd7 19.Nd6 Na6 20.e4 Nab4 21.Kd1 Ra7 22.Bb4 Nb4 23.d4 Bd3 (23...Ra2 24.Bc4 Rf2 25.Rf1 Rf1 26.Bf1+/-) 24.Bd3 Ra1 25.Kd2 Rh1 26.Bc4 Kf8 27.Kc3 (27.Bf7?! Ke7 28.e5 Rh2=+) 27...c5 28.dc5 Nc6 29.Bd5 (29.h3 Ke7+/-) 29...Ne7 30.h3 f6 31.g3 Rh3 32.c6 Rh1 33.Kd2 Rf1 34.f4 Rf2 35.Kd3 Rf3 36.Kd4 Rg3 37.c7 Rg1 38.c8Q Nc8 39.Nc8 h5 40.Ke3 (40.e5 Rd1 41.Ke4 f5 42.Kf5 Rd5-/+) ½–½. marekt – Morphystyle, ChessWorld.net, 2004.

8.Nf3 Nd7 9.e3 Ngf6 10.Be2 e4 11.Nd4 Ne5 12.0-0 (12.f3 Bd6+=) 12...Bd6 13.Bb2 Qc7 (13...0-0 14.h3+=) 14.f4 (14.h3 0-0+=) 14...ef3-/+ 15.Bf3 (15.gf3!? Bh3 16.Re1-/+) 15...Neg4-+ (15...Nf3?! 16.Nf3 Qe7 17.c4 dc4 18.Qc4+=) 16.Bg4 Bh2 (16...Bg4?! 17.h3 Be6 18.d3+=) 17.Kh1 Ng4 18.Nf3 Qd6 (18...Qd6 19.c4 Qg6-/+) 0–1. Endean,Andrew (1665) – Stefanov,Plamen (2185), TE.2004.P.01705, 2004.

8.Nf3 e4 9.Nd4 Bd6 (9...Nf6 10.d3=+) 10.c4= Nf6 11.cd5 (11.c5 Qa6 12.Bb2 Bc7=) 11...Bb4 (11...Na6 12.b5 Nb4 13.Qc4 Nbd5 14.Nc3-/+) 12.dc6= bc6 13.Nb3 Nbd7 14.g3 (14.Nc3 Nc5 15.Nc1 Bf5=+) 14...0-0=+ 15.Bg2 Re8 16.Nc3 Pawn e4, live or die! 16...Nc5 17.0-0 Bf5 (17...Nb3 18.Qb3 c5 19.Qc2=) 18.Nd4= Bg6 19.Na2 Ba3 20.Qc3 (20.Rb1 Qa6 21.Nc3 e3=+) 20...Ra8 21.Nc2 Bb2 22.Bb2 (22.Qb2 Qb2 23.Bb2 Ra2=) 22...Ra2 23.Ra1 (23.Ba3 Nd5 24.Qc4 Nb3=+) 23...Ra1 (23...Qb2?? 24.Qb2 Ra1 25.Qa1+–) 24.Ba1 Qb1 (24...Ne6 25.Qb2 Qb2 26.Bb2=) 25.Bf1 Qb6 (25...Bh5 26.Kg2 (< 26.Qc5 Be2 27.Ne3 Qa1-/+) 26...Qb6 27.Qa3+=) 26.Qa3+= Nfd7 27.Bd4 f6 (27...Qb5 28.Bc5 Qc5 29.Qc5 Nc5 30.Nd4+=) 28.Nb4 Qb7 29.Qc3 Qb5 (29...Ne6 30.Nc6 Nd4 31.Nd4+/-) 30.e3 Nd3 31.Nc6 (31.Bd3 ed3 32.Nc6 Be4 33.Ne7 Kf7=+) 31...Qb1 32.Ne7 Kf7 33.Ng6 Kg6 34.Qa1 (34.Qc6 N3e5 35.Qd5 Nf3 36.Kg2 Nde5+=) 34...Qa1= 35.Ba1 N7e5 (35...Ne1 36.Bc3 Ne5 37.Be5 Nf3 38.Kh1 fe5 39.d3+/-) 36.Be5+= Ne5 37.Kg2 Kf5 (37...Kh6 38.h4+=) 38.Ba6 (38.h3 h5+/-) 38...g6 (38...Kg6 39.f4 ef3 40.Kf2 Ng4 41.Kf3 Nh2 42.Kf4+/-) 39.Bc8 (39.h3 Ke6+/-) 39...Kg5 40.d4 ed3 41.f4 Kh5 42.fe5 d2 43.h3 (43.Bb7!? g5 44.Bf3 g4+–) 43...f5 (43...fe5 44.Bg4 Kg5+–) 44.Bb7+– (44...d1Q 45.Bf3 Qf3 46.Kf3+–) 1–0. Dopper,Johan – Bendig,Frank, corr ICCF TT–4–90, 1993.

8.e3 Nbd7 9.Nf3=+.

8.e3 e5 9.Nf3 Bd6 10.c4 =.

8.e3 g6 9.Nf3= Bg7 10.Be2 0-0 11.0-0 Nbd7 12.d4 Ne4 13.Nfd2 Ndf6 14.Bd3 (14.Ne4 Ne4 15.f3 Nf6=) 14...Nd6 15.Kh1 (15.e4 Nfe4 16.Ne4 Ne4 17.Be4 de4 18.Qe4 Qc7=+) 15...Bf5=+ 16.f3 (16.Bf5 Nf5 17.e4 Ra8 18.ef5 Ra1=) 16...Bh6 (16...Ra8 17.Bf5 Nf5 18.e4-/+) 17.Re1 (17.Bf5 Nf5 (17...gf5?! 18.Qd3=+) 18.e4 Ne3-+) 17...Bd3 18.Qd3 Ra8 19.Bb2 Qc7 (19...Ra2 20.Bc1-/+) 20.Na3 b5 21.Nf1 Nd7 (21...Bg7 22.e4=+) 22.e4 Nc4 23.Nc4 dc4 24.Qc2 e6 25.Rb1 Nb6 26.Bc1 Bc1 27.Qc1 e5 28.Ra1 Rd8 29.Qe3 Na4 (29...ed4 30.cd4 Na4 31.Rd1=+) 30.Ng3=+ ed4 31.cd4 Qd6 32.Ne2 Qb4 33.h3 (33.Qg5 Qd6=+) 33...Qd6 34.Ra2 Nb6 35.Ra6 Rb8 36.e5 Qd7 37.Qa3 (37.Qc3 Nd5 38.Qc2 Nb4-+) 37...Nc8 (37...Nd5 38.Qc5-/+) 38.Qc5 Ne7 39.Nc3 (39.Ra7 Rb7 40.Ra8 Kg7=+) 39...Rc8 (better is 39...b4 40.Ra7 Qd8 41.Re7 bc3=+) 40.Ra7+= Rc7 41.Rc7 Qc7 42.Nb5 Qa5 (42...cb5 43.Qc7) 43.Qe7 (43.Nd6!? Qc5 44.dc5+=) 43...Qb5 (43...Qa1!? 44.Kh2 cb5=) 44.Qd8+= ½–½. Jung,W – Grund,Karl, corr SOK–89–47, 1989.

8.Nf3 Bg4 9.Ne5 Bh5 10.e3 Bg6 11.Ng6 hg6 12.Be2 Qc7 13.g3 e5 14.Qa4 b5 15.Qb3 e4 16.Na3 Qd7 17.Qd1 Qh3 18.Bf1 Qf5 19.Qe2 Ng4 20.h3 Ne5 21.Bg2 Nd3 22.Kf1 Bd6 23.g4 Qf6 24.Nc2 Bg3 25.f3 ef3 (better is 25...Nd7!?-+) 26.Qf3 Qf3 27.Bf3 Nd7 28.Kg2 Bd6 29.Nd4 N7e5 30.Be2 Kd7 31.Rf1 f6 32.Nf3 Ra8 33.Ne5 Ne5 34.Bb2 Ra2 35.Bc1 Nc4 36.Bc4 dc4 37.Kf3 g5 38.Rh1 Ra1 39.Ke4 (39.Rd1 Ke6=+) 39...Ke6 (better is 39...c5!? 40.bc5 Bc5-+) 40.d3 cd3 41.Kd3 c5 42.bc5 Bc5 43.Re1 b4 (better is 43...Ra8!?=+) 44.Kc4+= Bd6 45.cb4 Rb1 (better is 45...Bg3!? 46.Rd1 Bd6=) 46.Bd2+/- Rb2 47.Bc3 Rh2 48.Bd4 Rh3 49.Rg1 Rh2 50.b5 Re2 51.b6 Rc2 52.Kb3 Rc8 53.Ra1 Rg8 54.Kc4 f5 (better is 54...Rh8!?+/-) 55.gf5+– Kf5 56.Kd5 Bh2 57.e4 Kg6 58.e5 Rd8 59.Ke4 g4 60.b7 Rb8 61.Rb1 g3 62.Kf3 (62...g2 63.Kg2+–) 1–0. Althoff,Guntram (2185) – Biallass,Armin (1850), Wichern op 5th, 1999.

8.Nd2 e5 9.Ngf3 (9.e4 Be6=+) 9...Nbd7 (9...Bd6 10.e4=+) 10.e3 Bd6 11.Be2 0-0 12.0-0 h6 (12...c5 13.bc5 Nc5 14.d4 ed4 15.cd4=) 13.Nh4 (13.Bb2 c5=) 13...g6 (13...c5 14.bc5 Nc5 15.d4 ed4 16.cd4=+) 14.g3 (14.Nhf3 c5=) 14...Qc7 (14...c5 15.bc5 Qc5 16.Nhf3=+) 15.f4 ef4 16.gf4 Re8 17.Rf3 c5 (17...b6 18.Rg3=+) 18.b5 b6 19.Qf1 (19.c4 dc4 20.Nc4 Bb7=) 19...Qa7 (19...Bb7 20.Rg3=+) 20.Ng2 Bb7 21.Rh3 Kg7 22.Bf3 Ra8 23.Bb2 Qa4 24.Qc1 Qb5-/+ 25.c4 Qa6 26.e4 de4 27.de4 Be7 28.Ne3 Kh7 29.e5 Ng8 30.Bb7 Qb7 31.Nd5 Qc6 32.Qc3 Qe6 33.f5 Qf5 34.Ne7 Qg5 35.Rg3 Qe7 36.e6 Ndf6 37.ef7 Qf7 38.Ne4 Rf8 39.Rf3 Qe6?? 40.Nf6+/- Nf6 41.Rf6 Rf6 42.Qf6 Qe3 43.Qf2 Qe6 44.Qg3 Qd7 45.Qf3 h5 46.Bc3 Qe7 47.Kf2 Qh4 48.Qg3 Qe7 49.Qe5 Qh4 50.Ke3 (50…Qh3 51.Kd2 Qg2 52.Ke1 Qg1 53.Ke2 Qg4 54.Kd3 Qd1 55.Bd2 Qb3 56.Qc3 Qb1 57.Ke2 Qe4 58.Kf2 Qh4 59.Qg3 Qc4 60.Qc7 Kg8 61.Qb6 Qh4 62.Kf1 Qc4 63.Ke1 Qe4 64.Kd1 Qa4 65.Kc1 Qc4 66.Kb2+/-) 1–0. Svensson,Jan – Seack,Ingo, corr 3GMM–13, 1996.

8.Nd2 Bf5 9.g3 e6 (9...e5 10.Ngf3 Nbd7 11.Bg2=+) 10.Bg2 Nbd7 11.e4 Bg6 12.Ne2 Be7 (12...e5 13.h3=+) 13.0-0 (13.Nf4 0-0=) 13...0-0 (13...e5 14.ed5 cd5 15.Nf3=+) 14.Nf4= Ra8 15.Bb2 Bd6 (15...Nf8 16.Re1=) 16.Ng6 hg6 17.Qb1 Ra4 18.h3 (better 18.Qc2!? Ra2 19.Qb3=) 18...Bg3-/+ 19.d4 Bf4 20.Nb3 (20.Qc2 Qa6 21.e5 Nh5-/+) 20...Qb5 (20...de4 21.Be4 Ne4 22.Qe4-/+) 21.e5 Nh5 22.Re1 b6?? (better 22...Ra7-/+) 23.Bf1+- Qc4 (23...Rb4 24.Bb5 (24.cb4?! Qb4 25.Na1 c5+-) 24...Rb5 25.Qc2+-) 24.Bc4 dc4 25.Nc1 b5 26.Ne2 (26.Qe4 Nb8+-) 26...Bh6 (26...Nb6 27.Bc1 Nd5 28.Qe4 Bc1 29.Rc1+-) 27.Qc2 (27.Qe4 Ra6+-) 27...Nb6 28.Bc1 Nd5 29.f4! Kh7 (29...Ndf4 30.Nf4 Combination; 29...Nhf4 30.Nf4 Combination; 29...Bf4 30.h4 Decoy) 30.Rf1 Kg8 31.Bd2 Kh7 32.Qb2 Kg8 33.Ra1 Nb6 (33...Nhf4 34.Nf4 Bf4 35.Ra4 ba4 36.Bf4 Nf4 37.Qa2+-) 34.Rb1 (34.Ra4 Na4 35.Qb1 Nb6+-) 34...Kf8 (34...Nd5 35.Qc1+-) 35.Kf2 Ke7 (35...Nd5 36.Ra1 Nb6 37.Ra4 Na4 38.Qa1+-) 36.Kf3 (36.Ra1 Kd7+-) 36...Kd7 (36...Ra6 37.Ra1 Na4 38.Qc2+-) 37.f5! ef5 (37...ef5 38.Bh6 Combination; 37...gf5 38.Bh6 Combination) 38.Bh6 gh6 39.e6! fe6 (39...Ke6 40.Qd2 Combination; 39...fe6 40.Qc1 Combination) 40.Qd2 (40.Qc1!? g5+-) 40...g5 41.Kf2 (41.Qe3 Nd5 42.Qe5 Ra3+-) 41...Nd5 42.Rb2 (42.Qb2 Nhf4 43.Nf4 Nf4+-) 42...Nhf4 43.Nf4 Nf4 44.Ra2 Nd3? (44...Nh3 45.Ke1 Ng1 46.Qc2 Nf3 47.Ke2 Ra2 48.Qa2+-) 45.Kg2 (better 45.Kf1!? Nf4+-) 45...Nf4 46.Kh2 Nd5 (46...Ra2 47.Qa2 Nd5 48.Qa1+-) 47.Ra4 ba4 48.Qb2 Nb6 49.b5 h5 (49...Kc7 50.bc6 Kc6 51.Qb4+-) 50.Qb4 cb5 51.Qb5 Kc7 52.Qc5 Kb7 53.Qe7 Ka6 54.Qe6 a3 (54...f4 55.Qf6 g4 56.hg4 hg4 57.Qf4+-) 55.Qd6 f4 (55...a2 56.Qa3 Kb7 57.Qa2+-) 56.Qa3 Kb7 57.Qc5 1-0. Zheglov,Vadim (2235) - Chayka,V (2185), Bogdanovich Mem Qual, 2021.

8.Bb2 c5 9.Qb3 (9.d4 Ngf6=) 9...cb4 (9...Ngf6 10.Nf3=+) 10.Qb4 (10.cb4 e5 11.Qd5 Qb4=) 10...Qb4 (10...Qg6 11.Na3=+) 11.cb4 Ngf6 12.Nf3 e6 13.b5 Bb4 (13...b6 14.Be2=) 14.Be2 b6 15.0-0 (15.Ne5 Ne5 16.Be5 Nd7 17.Bg7 Rg8+=) 15...0-0 (15...Nc5 16.Bf6 gf6 17.Rc1+=) 16.Nc3 (16.Rc1 h6+=) 16...Bc3 (16...e5 17.Ra1=) 17.Bc3+= Nc5 (17...Ne4 18.Bb4+/-) 18.Bf6 (18.Bb4 Nfe4+=) 18...gf6 19.d4 Nd7 20.Rc1 Bb7 (20...e5 21.Rc7+/-) 21.Rc7 Rd8?? (better is 21...Bc8+/-) 22.Rb7+– e5 23.de5 fe5 24.Nd2 d4 25.ed4 ed4 26.Bd3 Nc5 27.Bh7 Kh7 28.Rf7 Kg8 29.Rb7?? Re8 30.Kf1?? Ne6 31.Rb6 Nd8 32.Rb8 Nf7 33.Re8 Kg7 34.Re7 Kf6 35.Rf7! Kf7 36.Ke2 Ke8 37.Nf3 Kd8 38.Nd4 Kc7 39.g4 Kd6 40.g5 Kc5 41.f4 Kd4 42.g6 Kc5 43.g7 Kb5 44.g8Q Kc5 45.Qe6 Kb5 46.f5 Kb4 47.f6 Kc5 48.f7 Kb4 1–0. alexy1 (1995) – Unic, ICC, 2003.

8.Bb2 e5 9.d3 =+.

8.d4 e5 9.de5 Ne5 10.Nf3 Nf3 11.Qf3?? (better is 11.gf3 Nf6 12.Rg1-/+) 11...Qa7-+ 12.Bb2 Qa2 13.Qd1 Qb2 14.Be2 Bd6 15.0-0 Nf6 16.Qc1 (16.Qd2 Qb3 17.Qd1 Qd1 18.Rd1-+) 16...Qe2 17.Nd2 0-0 18.Nf3 (18.Re1 Qd3-+) 18...Ne4 19.Nd4 (19.Qa1 Re8-+) 19...Qc4 20.Qb2 Bh2! 21.Kh2 Qf1 22.f3 Nf2 23.Kg3 h5 0–1. tyop (1720) – ip7250 (1785), kurnik, 2013.

8.Nf3 e5 9.Be2 Bd6 10.h3 (10.c4 Qb4 11.cd5 cd5=) 10...Ne7 11.Qc2 e4 12.Nd4 0-0 13.0-0 Bb8 (13...Ne5!?-/+) 14.f4 ef3 15.Nf3 (15.Bf3? Qc7 16.Qd1 Qh2 17.Kf2 Qg3 18.Ke2 Ne5-+; 15.Rf3? Qc7 16.Kf1 Qh2-+; 15.gf3? Nf6 16.Kg2 Ng6-+) 15...Qc7 16.Na3? (better is 16.c4!?+=) 16...Ne5-+ 17.Bd3? (better is 17.Qb1-+) 17...Nf3 (17...Nd3?! 18.Qd3 Qg3 19.c4-+) 18.Rf3 Qh2 19.Kf2 Ng6 20.Bg6 hg6 (20...fg6 21.Rf8 Kf8 22.Qb1 Bg3 23.Kf3-+) 21.c4 g5 22.Qc3 f6 23.cd5 g4 24.Rf4?? (24.hg4 Qh4 25.Ke2-+) 24...Bf4 (24...gh3 25.Qc4 hg2 26.dc6 Rf7 27.Ke2 g1Q 28.Kd3 Qa1 29.Qc3-+) 25.ef4 Qf4 26.Kg1 (26.Ke2 gh3 27.gh3 Re8 28.Kd1-+) 26...gh3 (better is 26...Re8 27.Nc2 Re2-+) 27.Qh3 (27.dc6 Qg5 28.Qf3 bc6 29.Bc3-+) 27...Bh3 28.Bf6 Rf6 29.Nc2 Rg6 30.Ne3 Rg2! 31.Ng2 Qg3 32.Kf1 Bg2 33.Ke2 Qf3 34.Ke1 Bf1 35.d4 Qe2 0–1. ventil (1665) – typul48, kurnik, 2014.

8.Nf3 e5 9.Be2 g6 10.0-0 Bg7 11.Qc2 Ne7 12.Bb2 0-0 13.d4 e4 14.Nfd2 Qc7 15.Ba3 (15.c4!?=) 15...Re8 16.c4 dc4 17.Bc4 Qd8 18.Ne4 Nd5 (better is 18...Nb6 19.Bd3 Ned5+/-) 19.Nd6+– Re6 20.Nc8 Qc8 (20...N7f6 21.Na7 Qa8 22.Bd5 Nd5 23.Qa4+–) 21.Bd5 Rd6 22.Bb3 Nb6 23.b5 Nd5 (23...Rd7 24.Rc1+–) 24.Rc1 (better is 24.Bd6 Qd8 25.Qc5 Nf6+–) 24...Qd7 (24...Rd7+–) 25.Bd6 Qd6 26.Bd5 cd5 27.Qc8 Bf8 28.Qc7 Qb4 29.Qb7 Kg7 30.g3 Qb2 31.Qc7 (better is 31.Qc6!? Bb4+–) 31...Bb4 (31...Qb5 32.Nc3 Qc4 33.Qe5 Kg8 34.Qd5+–) 32.Kg2 (32...Bd6 33.Qc6+–) 1–0. slavisa99 – KingWitch, Live Game Caissa's Web, 2004.

8.d4 Nh6 9.f3 (9.Nf3!?=) 9...g6 (9...e5 10.Kf2-/+) 10.Bd3 (10.e4 e5-/+) 10...Bg7 (10...Nf5!? 11.Kf2 Bh6-/+) 11.Ne2 0-0 12.0-0 (12.e4!?=) 12...Nf5-/+ 13.Qd2 Bh6 14.Bf5 (14.f4 e5 15.e4 de4 16.Qa2 Kg7 17.Be4 Ne3-/+) 14...Bf5-/+ (14...gf5?! 15.Na3=) 15.g4 Be6 16.Qd3 (16.Na3!?-/+) 16...Qa6-+ 17.Qa6 Be3 (17...ba6?! 18.Kf2+=) 18.Kg2 Na6 19.Na3 Bh6 20.h4 Ra8 21.Nc2 Nc7 22.Bb2 Ra2 23.Rb1 Nb5 24.Kf2? (24.Kg3-+) 24...Bd2 25.Nc1 Bc1 (25...Bc1 26.Rc1 Rb2-+) 0–1. Baer,Cy (1895) – Hingst,Thomas (2095), RSS5E NoEngine–26, 2007.

8.Qh5 g6 9.Qh4?? (9.Qd1 Nd7+=) 9...Be6 (9...Qa7!? 10.Bd3 Qa1 11.Ne2-+) 10.Nf3?? (10.Na3 Nd7+=) 10...Bf7?? (10...Qa7!? 11.Bb2 Qa2 12.Bd3 Qb2 13.0-0-+) 11.Be2?? (11.Bd3 Nh6=) 11...Bg7?? (better is 11...Qa7 12.c4 Qa1-+) 12.0-0 e5 13.d4 e4 14.Nfd2 Ne7 15.Na3 White prepares the advance b5 15...Nf5 16.Qf4 (16.Qh3!?+=) 16...0-0-/+ 17.g4?? (better is 17.Nb3-/+) 17...Nh4 (better is 17...Bh6 18.g5 Bg5-+) 18.b5 g5 19.Qg3 Qd8 20.f4 ef3 21.Bf3 (21.Nf3 Qe7 22.Nc2 Bg6+=) 21...Bg6 22.c4 (22.Be2 f5 23.Bb2 Nd7-/+) 22...dc4 (better is 22...Qe7!? 23.bc6 Qe3 24.Rf2 Qe1 (24...bc6?? 25.Bd5 cd5 26.Qe3+–; 24...Nf3?! 25.Qf3 Qe1 26.Kg2 bc6 27.Bc3-+) 25.Rf1 A) 25...Qd2 26.Bd5 Bf7 27.c7 Bd5 28.cd5+= (28.cb8R? Rb8 29.cd5 Re8-+); B) 25...Nf3 26.Qf3 Qd2-+) 23.Ndc4 Nf3 24.Qf3 Qd5 25.Qd5 cd5 26.Nd6 b6 27.Rc1 Rd8 28.Nc8 Bf8 29.Nb1?? (better is 29.Bb2 Nd7 30.Rc6+=) 29...Bb1-+ 30.Nb6 Be4 (30...Bd3 31.Rc5 Bc5 32.dc5 Bb5 33.Bf6-+) 31.Bc3 (31.Rc7 Bd3 32.Rb7 Bb5 33.Nd5 Rd5 34.Rb8 Be2-+) 31...Bd6 (better is 31...Bd3-+) 32.Ba5 Rf8 33.Nc8 Ba3 34.Rc3 Bb2 (better is 34...f5!?-+) 35.Rc7+= f5 36.Ne7 Kh8 (better is 36...Kg7 37.Bb4 Re8 38.Nf5 Kg6+=) 37.Bb4+/- Re8?? (better is 37...Rd8 38.Nf5 h5+/-) 38.gf5+– g4 (38...Rd8 39.f6 Bd3 40.Nd5+–) 39.f6 (better is 39.Bd6 Re7 40.Re7+–) 39...Bg6 (39...Rd8+–) 40.Ng6 hg6 41.f7 Kg7 42.f8Q 1–0. elsh1403 (1645) – wehnstein (1770), kurnik, 2014.

8.d4 Ngf6 9.e3 e6 10.Bd3 Bd6 11.Bb2 (11.0-0 0-0=) 11...0-0=+ 12.0-0 e5 13.de5 Ne5 14.Ne5 Be5 15.Nd2 Bg4 (15...Re8 16.Qc2=+) 16.Qb1= Re8 17.c4 Bb2 18.Qb2 dc4 19.Nc4 Qc7 20.e4 (20.Ra1 b5 21.Nd2 Qd6=) 20...b5 (< 20...Ne4 21.f3 b5 22.Na5 (22.fg4?! bc4 23.Bc4 Nd6=) 22...Qb6 23.Kh1 Bf3 24.Rf3+/-) 21.Ne3 Qd6 22.Qc3 (22.Ng4 Ng4 23.Ra1 Qd3-+) 22...h5 (22...Bh5 23.Nf5 Qe6 24.Rc1=) 23.f3 Bd7 24.Ra1 h4 25.Ra7 Qf4 26.Be2 Be6 27.Nf1 Rc8 28.Ra6 Attacks the backward pawn on c6 28...Qc7 29.Ne3 c5 (29...h3 30.e5 Nd7 31.f4=) 30.Qc5 (better is 30.Bb5!? cb4 31.Qb4 Qc1 32.Kf2+=) 30...Qc5=+ 31.bc5 Rc5 32.Kf2 (32.Ra5 Rc1 33.Kf2 b4=) 32...b4 33.Rb6 b3 34.Bd1 (34.Nf5 Nd7 35.Rb7 Ne5= (< 35...Bf5 36.ef5 b2 37.Rb2+=)) 34...Rc1 (better is 34...Rc3!?-/+) 35.Bb3+= Rb1 36.e5 Rb2 37.Ke1 Ne8 38.Re6 fe6 39.Be6 Kf8 40.f4 Nc7 41.Bf5 ½–½. Dopper,Johan – de Waard,Marco, corr NED H, 1991.

8.d4 g6 9.e3 Bg7 10.Nbd2 e5 11.de5 Ne5 12.Ne5 Be5 13.Qb3 Ne7 14.b5 0-0 15.bc6 Qb3 16.Nb3 bc6 17.Nd4 Bd7 18.Be2 Ra8 19.0-0 Ra2 20.Bf3 c5 21.Ne2 Bb5 22.Re1 Nf5 23.c4 Bc4 24.Be5 Be2 25.Be2 d4 26.ed4 Nd4 27.Bd4 cd4 28.Kf1 1–0. Adamkosh (2010) – Nabeel1971 (2115), lichess.org, 2020.

8.e3 e5 9.Be2 Bd6 10.0-0 Ngf6 11.h3 0-0 12.d3 Qc7 13.Nbd2 Re8 14.e4 de4 15.Ne4 Ne4 16.de4 Nf6 17.Nd2 (17.Qd3 Rd8 18.Rd1 Be7=) 17...c5 (17...Be6 18.Qb1+=) 18.b5= Be6 19.c4 Rd8 ½–½. Hal1958 – Melocactus, playchess.de, 2004.

8.d4= Bg4 9.Nbd2 Nd7 10.h3 Bf5 (10...Bf3 11.Nf3 e5 12.e3=) 11.g4 (11.Nh4 Be6+=) 11...Bg6= 12.h4 e5 13.h5 Be4 14.Rg1 (14.Ne4 de4 15.Nd2 ed4 16.cd4) 14...ed4 (better is 14...Bf3!? 15.Nf3 e4=+) 15.Nd4+= c5? (better is 15...Qa7!?+=) 16.bc5+– Nc5 17.Ne4?? (better is 17.f3 Qc7 18.fe4 (18.Ne4?! de4 19.e3 Qh2 20.Bb5 Kf7+=) 18...de4 19.e3+–) 17...de4+= 18.e3 Ne7 19.Bb5 Nc6 20.Qb1 Qc7 21.Ke2 g6 22.Qa2 Ke7 23.Bc6 bc6 24.Qa8 Kd7 25.Rd1 Nd3 26.Rb1 Bg7 27.Qa2 Re8 (27...Nc5 28.Rd1 Ke7 29.Bb2+/-) 28.hg6 hg6 29.Qf7 (better is 29.Nc6 Qc6 30.Qa7 Ke6 31.Rb6 (31.Qg7?! Ne5 32.Kf1 g5=) 31...Qb6 32.Qb6 Kf7 33.f3+–) 29...Re7+= 30.Qg6 Qa7 (continuation unknown, 51 moves) 1–0. Grund,Karl – Esnaola, corr ICCF EU–M–GT–98, 1975–77.

8.d4 Bg4 9.Nbd2 e6 10.h3 Bf3 11.Nf3 (worse is 11.gf3 Bd6+=) 11...Bd6 12.e3 Ne7 13.Be2 0-0 14.0-0 Nd7 15.Qc2 e5 (15...Ra8 16.Bb2+=) 16.Rb1 (16.c4 Qd8+/-) 16...e4+= 17.Nd2 Ra8 (17...Qc7 18.c4 f5 19.Qa2+=) 18.Nb3 (18.c4!? Bb8 19.g3+/-) 18...f5= 19.Nc5 Bc5 (19...Qc7 20.Bb2=) 20.bc5+= Qc7 21.c4 f4 (21...dc4 22.Bc4 Nd5 23.g4+=) 22.Bg4 (22.cd5 Nd5 23.Qe4 fe3 24.fe3 N7f6+/-) 22...Nf8 (22...fe3 23.fe3 Kh8 24.cd5 cd5 25.Bc3+/-) 23.cd5 (23.ef4 Qf4 24.Bc3 Ra7+/-) 23...cd5 (23...Nd5 24.ef4 Qf4 25.g3+/-) 24.Bc3 g6 (24...Ra7 25.Qd2+/-) 25.ef4+– h5 26.Bd1 Ne6 27.g3 Kh7 (27...Ra7 28.Rb6 Nc6 29.Qd2+–) 28.f3 (better is 28.Rb6!? Ng7 29.Qb3+–) 28...Nf5 29.fe4 Ng3 30.e5 Nf4+= 31.Qh2 h4 32.Bg4 Ra3 33.Qb2?? Rc3!-+ 34.Qb7 Rc1! 35.Kf2 Qb7 36.Rb7 Kh6 37.e6 Rf1 38.Ke3-+ Ne6! 39.Rd7?? Nf4 40.c6 Ng2 41.Kd2 Ne4 42.Kc2 Ne3 43.Kb2 Rf2 44.Ka3 Nc4 45.Kb3 Rb2 46.Ka4 Nc3 0–1. Wilke,Hans Peter – Getzuhn,Detlef (1895), Berlin GER, Lichtenberger Sommer, 2014.

8.e3 e5 9.Qa4 Bd6 10.b5 Ne7 11.d4 0-0 12.Be2 e4 13.Nfd2 f5 14.c4 cb5 15.cb5 f4 16.Qb3 fe3 17.fe3 Kh8 18.Bb2 Be6 19.Rf1 Rf1 20.Nf1 Nbc6 21.Ba3 Na5 22.Qa4 Nc8 23.Bc5 Qd8 24.Nbd2 b6 25.Bb4 Qh4 26.g3 Qd8 27.Nb1 Qf8 28.Ba3 Kg8 29.Nfd2 Qe7 30.Bd6 Nd6 31.Qb4 Bh3 32.Nc3 Qe6 33.Qa3 Nf5 34.Nd1 h6 35.Qc3 Nd6 36.Qc7 Ndc4 37.Bc4 Nc4 38.Nc4 dc4 39.Nc3 1–0. Woelfelschneider – Milde, corr 1996.

8.e3 e5 9.d3 Be6 10.Nbd2 Ne7 11.Be2 Nf5 12.0-0 Nd6 13.Nb3 Na6 14.Bb2 Be7 15.Qa1 (15.d4 e4 16.Nfd2 Nc7=) 15...0-0 16.Rc1 c5 (16...Ra8 17.Nc5=+) 17.bc5 Nc5 18.Nc5 Qc5 19.Ba3 Qc7 20.Qb1 1-0. dannysmet (2035) - Kibur (2155), Rated Blitz game, lichess.org, 2020.

8.d4 Bf3 9.ef3 Nf6 10.Bd3 e6 11.0-0 Bd6 12.Nd2 0-0 13.Re1 Nbd7 14.Qc2 e5 15.de5 Ne5 16.Bf1 Ra8 17.Nb3 Qc7 18.h4 h6 19.Bb2 b6 20.Nd4 Qd7 21.Nf5 Nc4 22.Bc1 Bf8 23.Rd1 Qe6 24.Nd4 Qd7 25.Nf5 Qe8 26.Bf4 Na3 27.Qd2 Nc4 28.Qd4 c5 29.bc5 bc5 30.Nh6 Kh7 31.Bd3 Kh8 32.Qf6 gf6 33.Ng4 Be7 0–1. mailbox (2160) – Mellivora94 (2180), lichess.org, 2020.

8.e3 e5 9.Be2 Nd7 10.0-0 Ngf6 11.Qb3 Bd6 12.h3 Bh5 13.g4 Bg6 14.c4 h5 15.g5 Nh7 16.cd5 0-0 17.Bc3 e4 18.Nh4 Ng5 19.Kg2 Kh7 20.Qb2 f6 21.Ng6 Kg6 22.d3 Ne5 23.h4 Ngf7 24.de4 cd5 25.ed5 Re8 26.e4 Ng4 27.Bg4 hg4 28.Nd2 Ne5 29.Qc2 Rh8 30.Rh1 Bb4 31.Be5 fe5 32.Nc4 Qd4 33.Ne3 Rf8 34.Ng4 Rf4 35.f3 Qe3 36.Ne5 Kh7 37.Kg3 Bd6 38.Qb2 Rf3 39.Kg2 Rg3 40.Kf1 Be5 41.Qe5 Rf3 0–1. Elyte (2080) – pudman79 (2110), lichess.org, 2020.

8.Ne5 Bf5 9.d4 (9.e3 Nf6=) 9...h6 (9...Nd7 10.Nd7 Bd7 11.e3=+) 10.e3 e6 (10...Nf6 11.Be2=) 11.Bd3 (11.Qh5 g6 12.Qf3 f6-+) 11...Bd3 12.Qd3 Bd6 13.f4 (13.0-0 Qa6 14.Qa6 Na6=+) 13...Nf6=+ 14.Nd2 Qa6 15.Qa6 Na6 16.Ke2 Ke7 17.Bb2 Ra8 18.Ra1 Nc7 (18...g5 19.Kd3=+) 19.Ra5 (19.Ra8 Na8 20.Kd3 g5=) 19...Nd7 (19...Ra6 20.Ra6 Na6 21.Kd3=+) 20.e4 f5 (20...Ra6 21.Ra6 Na6 22.Bc1=) 21.Nc6 (21.Ra8 Na8 22.Nd7 Kd7=) ½–½. Keskowski,Thilo (2250) – Noire,Eric (2245), WC.2002.F.00003, 2002.

8.Nc2 Nbd7 9.Nf3=+.

8.Nf3 Nbd7=+.

9.e3 Bd6 10.Nf3 0-0 11.Bd3 Qa7 12.0-0 Nbd7 13.Ncd4 Bc7 14.Ng5 Ne5 15.Bc2 h6 16.Nh3 Nfg4 17.f4 Nh2 18.Kh2 Nc4 19.Qg4 Nd2 20.Rd1 Nc4 21.Kh1 Ne3 22.Qe2 Nd1 23.Qd1 e5 24.fe5 Be5 25.Qd3 Qa1 26.Ng1 Re8 27.Qh7 Kf8 28.Qh8 Ke7 29.Qh7 Qc3 30.Nf5 Kd8 31.Nh4 g6 32.Bg6 Qg3 33.Nhf3 Qg6 0-1. fantantric (1690) - alfa00, Rated Classical game, lichess.org, 2014.

9.Nf3 Nbd7=+.

9.g3 Bd6 10.Nf3=+.

9.g3 Be7 10.Bg2 (10.Ne3 0-0=) 10...0-0 (10...Ng4 11.Ne3 Ne3 12.fe3=+) 11.Nf3 Nbd7 (11...c5 12.bc5 Bc5 13.0-0=) 12.0-0 Qc7 13.d3 (13.Bb2 b6=) 13...b6 14.Bb2 Bb7 15.Qd2 (15.Ne3 Ra8=) 15...Ra8 16.Ra1 Qc8 (16...Ra1 17.Ba1 c5 18.Ne3=) 17.Qc1 (17.Ra8 Qa8 18.Ne3 c5=) 17...h6 18.Nd2 (18.Ne3 c5=) 18...Ne8 (18...c5 19.bc5 bc5 20.Ra8 Qa8 21.Qa1=) 19.Nb3 (19.Ne3 Bd6=) 19...Nd6 (19...e5 20.Nd2=) 20.Ra8 (20.Ne3 Ra1 21.Qa1 e5=) 20...Qa8 21.Qa1 Qa1 22.Ba1 Bf6 23.f4 (23.Ne3 Nb5 24.c4 Ba1 25.Na1 Nd4=) 23...Nb5 (23...g5 24.fg5 hg5 25.Ne3=+) 24.Ncd4 (24.Nbd4 Nd4 25.Nd4 c5=) 24...Nd4 25.Nd4 c5 26.bc5 (26.Nc2 Kf8=) 26...bc5 27.Nc2 Bc6 Black plans d4 (27...Ba6 28.Kf2=) 28.c4 (28.e4 de4 29.Be4 Be4 30.de4 e5=) 28...Ba4 (28...Kf8 29.Kf2=) 29.Bf6 Nf6 30.Ne3 d4 31.Nf1 Ne8 (31...Kf8 32.Kf2=) 32.Kf2 f6 (32...Nd6 33.e3 de3 34.Ke3=) 33.e3 e5 (33...de3 34.Ke3 Nd6 35.Bh3=) 34.Bd5 (34.Nd2 de3 35.Ke3 ef4 36.Kf4 Nd6=) 34...Kf8= 35.Nd2 Nd6 (35...ef4!? 36.gf4 de3 37.Ke3 Nd6=) 36.fe5+= fe5 37.Nf3 Nf5 38.e4 Ne3 39.Ne5 Ke7 40.Ng6 (40.Ke2 Bd1 41.Ke1 Bc2+–) 40...Kf6 41.Nf4 (41.Nf8 Bc2+=) 41...Bd7 42.Nh5 (42.h4 g5 43.hg5 hg5+=) 42...Kg6= 43.Nf4 Kf6 44.Ne2 (44.h4 g5 45.hg5 hg5+=) 44...Ng4= 45.Kg2 (45.Kg1 Ba4=) 45...Ne3 (45...Ba4 46.Nf4=) 46.Kf2 (46.Kf3 Ng4 47.Nc1 Ne5 48.Kf2 Bg4+=) 46...Ng4= 47.Kg1 Ne3 (47...Ba4 48.Nf4=) 48.Nc1+= Ba4 (better 48...Ke5+=) 49.Kf2 (better 49.h3!?+=) 49...Ng4=+ 50.Kg2 Ne3 (50...Bc2!? 51.Kf3 Nh2 52.Ke2 Ng4=+) 51.Kg1 (51.Kf3 Ke5+=) 51...g5 (51...Ke5 52.h3+=) 52.h3 Bd7 (52...h5 53.Kf2+=) 53.Nb3 (53.g4 Ke5+=) 53...Bh3= (worse 53...Nd5 54.cd5 Bh3 55.Nc5+–) 54.Nc5 Bf1 55.Kf2 (55.Bc6 h5=) 55...Ke5 56.Bf7 Kd6 57.Nb3 Ke5 (better 57...Bd3!? 58.Nd4 Nc4 59.Bc4 Bc4=) 58.Nc1+– Bh3 59.Bh5 Bd7 (59...Nc2 60.Nb3+–) 60.Be2 (60.Nb3 Nc2+–) 60...Ba4+= 61.Na2 Bc2 (61...Be8 62.g4+=) 62.Nb4 (62.c5 Bb3 63.Nb4 Ba4+–) 62...Ba4 63.c5 (63.Na6 Be8+=) 63...Nc2 64.Nc2 (64.Nd5 Bb5+=) 64...Bc2+= 65.Kg2 (65.Ke1 Ba4+=) 65...Ba4= 66.Kh3 (66.Kf3 Be8=) 66...Bd7 67.Bg4 (67.Kh2 Bc6=) 67...Bb5 68.Be2 Bd7 69.Kg2 Be8 (69...Ba4 70.Kh2=) 70.Kf2 (70.Kf3 Bh5 71.Kf2 Be2 72.Ke2 h5=) 70...h5 71.Ke1 (71.Kg2 Ke6=) 71...h4 72.gh4 (72.Kf2 Bd7=) 72...gh4 73.Kf2 Bd7 74.Kf3 Bc8 75.Bd1 Ba6 76.Bc2 Bc8 77.Bb1 Bd7 78.Bc2 Bc8 79.c6 Kd6 80.Ba4 Ke7 ½–½. Van Foreest,Lucas (2450) – Timmermans,Mark (2415), 9. Batavia Blitz, 2017. (=1.a3 c6 2.b4 a5 3.Bb2 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5)

8.Nd2 Bd6 9.Ngf3 =+.

9.Qb1 Bd6 10.Ngf3 =+.

9.Qb1 Bf5 10.e4 (10.Ngf3 Nbd7-/+) 10...Bg6 (10...Be6 11.Ngf3 Nbd7 12.Be2=+) 11.Be2 Nbd7 12.Ngf3 Be7 (12...Bd6 13.Nh4=) 13.0-0 0-0 14.h3 (14.Nh4 Ra8 15.Ng6 hg6=) 14...Kh8 (14...Nh5!?=+) 15.Nh4= de4 (15...Nh5!? 16.Ng6 hg6=) 16.Ng6+= hg6 17.de4 c5 (17...Nh5 18.Bc4+=) 18.b5+– Qc7 (18...Qe6 19.Bc4 Qb6 20.Nf3+–) 19.c4 Bd6 20.Rd1 Rd8 (20...Ra8 21.Nf3+–) 21.Nf1 (21.Nf3!?+–) 21...Nf8+= 22.Ne3 Ne6 ½–½. Auger,Bertrand – Caire,Francois, Quebec Montcalm op, 2004.

9.e3 Bd6 10.Ngf3 0-0 11.Be2 Bg4 12.0-0 Nbd7 13.Ne1 Be6 14.Nc2 Ne8 (14...Ra8 15.Nf3-/+) 15.d4 f6 16.Nb3 Qc7 17.Nc5 Bf5 18.Bg4 Bg4 19.Qg4 Bc5 (19...f5 20.Qf3=+) 20.bc5 (20.Qe6 Kh8 21.bc5 b6=) 20...f5 21.Qe2 (21.Qf3 b6=) 21...e4 (21...b6 22.cb6 Nb6 23.de5 Qe5 24.c4=) 22.f4 (22.c4 Nef6=) 22...ef3 (22...b6 23.cb6 Nb6 24.Rb1=+) 23.Qf3= g6 (23...b6 24.cb6 Nb6 25.Qh5=) 24.Ne1 (24.Bb2 b6=) 24...Nef6 25.Nd3 Ne4 26.Qf4 Qf4 27.Nf4 (27.ef4 b6=+) 27...Ra8 28.g4 (28.Ne6 Ra2-/+) 28...fg4 29.Ne6 Nf8 30.Nf8 Rf8 31.Rf8 Kf8 32.Kg2 h5 33.h3 (33.c4-+) 33...gh3 34.Kh3 0–1. zenexus (1655) – Turzo (2350), ICC, 2003.

9.Ngf3 Bd6 =+.

8.Na3 Nf6 9.g3 (9.Nf3 e6=+) 9...Na6 (9...e6-/+) 10.e3 (10.Nc2!?-/+) 10...Nb4!-+ 11.Be2 (11.cb4 Qb4 Double attack) 11...e6 12.Nf3 Na6 13.0-0?? (better is 13.Nc2-+) 13...Ba3 14.Bd3 (14.Ne5 Bh3 15.Re1 0-0-+) 14...Bd3 15.Qd3 Bd6 16.Rb1 Qa5 (16...Qc7 17.c4 dc4 18.Qc4-+) 17.Bb2 (17.c4 dc4 18.Qc4 0-0-+) 17...0-0 18.Ne5 (18.Ra1 Qb6 19.Rb1 c5-+) 18...Be5 19.de5 Ne4 20.f4 (20.Ra1 Qb6 21.Ba3 Nac5-+) 20...Nac5 21.Qc2 Ra8 22.Ra1 Qd8 23.Rd1 (23.Ba3 Ra7 24.c4 Qa8-+) 23...Qb6 24.Re1 (24.Kg2 f6 25.Rd4 Ra2-+) 24...Qb3 (24...Ra2 25.Ra1 Ra1 26.Ba1-+) 25.Qb3 Nb3 26.g4 Ra2 0–1. bentengutama (1955) – hardloser (2480), net–chess.com, 2003.

8.Qb3 h6 9.Nd2 Nf6 10.Ngf3 e6 11.e3 Be7 12.Be2 Nbd7 13.0-0 0-0 14.h3 Ra8 15.Bb2 Bd6 16.Ra1 Ra1 17.Ba1 Bb8 18.Qa4 Qc7 19.Qa5 Qa5 20.ba5 Bc7 21.Nb3 Ne4 22.c4 Bg6 23.cd5 ed5 24.a6 ba6 25.Ba6 f6 26.Bc8 Nb6 27.Bb7 Be8 28.Nfd2 Nd6 29.Ba6 Bd7 30.Bd3 Kf7 31.Nc5 Bc8 32.Ndb3 Nd7 33.Bc3 Bb6 34.Nd7 Bd7 35.f3 Ke7 36.Kf2 c5?? (better is 36...Bf5 37.Bf5 Nf5=) 37.dc5+– Bc5 38.Nc5 Bc8 39.Nb3 Kf7 40.g4 g6 41.h4 f5 42.g5 hg5 43.hg5 Ke6 (43...Bd7 44.Nd4+–) 44.f4 (better is 44.Nd4 Kf7+–) 44...Ne4 45.Be4 de4 46.Nd4 Kf7 (46...Kd6+–) 47.Nc6 Bb7 (47...Be6 48.Ne5 Kg7 49.Bb4+–) 48.Ne5 (better is 48.Nd8 Ke7 49.Nb7+–) 48...Kg7 49.Bd4 Kh7 50.Ke2 Ba6 51.Kd2 Bf1 52.Kc3 Be2 53.Kb4 Bf1 54.Kc5 Be2 55.Kd6 Kg7 56.Nd7 Kf7 57.Nc5 Bc4 58.Ke5 Ba2 59.Nd7 Bc4 60.Nb6 Bb3 61.Nd5 Ba2 62.Nf6 Bb3 63.Nd7 Ba2?? (63...Bc4 64.Bc5+–) 64.Nb6 Bb3 65.Nd5 Ba2 66.Kd6 Bb3 67.Bf6 Ba2 68.Ke5 Bb3 69.Ne7 Ba2 70.Nf5! gf5 71.Kf5 Bb1 72.g6 Kg8 73.Ke5 Bd3 74.f5 (74.f5 Bc4 75.Ke4+–) 1–0. mihai740609 – window12, kurnik, 2014.

8.e3 Qa7 9.Nd2= e6 10.Be2 (10.Ngf3 Nf6=) 10...Bd6 11.Bb2 (11.Ngf3 Qa2=) 11...Nf6+= 12.Ngf3 Bg4 (12...Qa2 13.Qc1+=) 13.h3 Qa2 14.Qb3 (worse is 14.hg4 Qb2 15.c4 Bb4-/+) 14...Qb3 15.Nb3 Bf3 (15...Bf5 16.g4 Bc2 17.Nc5=) 16.Bf3 0-0 (16...b6 17.Kd2=) 17.0-0 (17.Na5 b6 18.Nb7 Be7=) 17...e5 (17...Nbd7 18.Ra1=) 18.Ra1 e4 19.Be2 b5 20.Nc5 (20.Ra7 h6=) 20...g6 (20...Bc5 21.bc5 h5 22.Kf1=) 21.Ra8 Re8 22.Bc1 Re7 23.Kf1 Kg7 24.h4 Nbd7 25.Bb2 Nb6 26.Ra6 Bc7 27.Ba3 Nfd7 28.Nd7 Rd7 29.Bc1 Rd8 30.Ra7 Bd6 31.Bg4 Re8 32.Ra6 Bc7 33.Ke2 f5+= 34.Ra7 (34.Bh3 Ra8 35.Ra8 Na8+=) ½–½. Rosner,Dirk – Gruber,B, corr D/½84E, 1994.

8.e3 e6 9.Nf3 +=.

8.Nf3 (--> 7.Nf3 Bf5 8.d4).

9.e3 Be7 10.g4 Bg6 11.Ne2 Bd6 12.h4 Nf6 13.h5 Bd3 14.Nc1 Bf1 15.Rf1 h6 16.Rg1 Nbd7 17.Qa4 0-0 18.g5 Nh5 19.gh6 g6 20.Nd3 Re8 21.c4 Bf8 22.Nc5 Nc5 23.dc5 Qa6 24.Qa6 ba6 25.Ke2 Bh6 26.Nf3 dc4 27.Ne5 Rc8 28.Nc4 Rb8 29.Nb6 Rd8 30.Be5 Bg7 31.Bg7 Kg7 32.Ra1 Nf6 33.Ra6 Rb8 34.Ra7 Nd5 35.Nd5 ed5 36.Rc7 ½–½. Moeller Nielsen,Peter – Markus,Roland, corr TKM/A005, 2000.

9.e3 Nf6 10.Ngf3 Bd6 11.Be2 Nbd7 12.0-0 0-0 13.Nh4 Bg6 14.Ng6 hg6 15.Nf3 Ra8 16.Bb2 Ra2 17.Qc2 Qa7 18.Ne5 (better 18.Bd3=) 18...Ne5-/+ 19.de5 Be5 20.f4?? (better 20.Qc1-/+) 20...Qe3-+ 21.Kh1 Bf4 22.Ra1 (22.Bf3 Qd2 23.Qd2 Bd2 24.Rb1-+) 22...Ra1 23.Ba1 Qc1 (23...Ng4 24.Qd1 Nf2 25.Kg1 Nd1 26.Kh1 Qe2 27.c4 Qe1) 24.Qc1 Bc1 25.b5 (25.c4 Ne4-+) 25...cb5 26.Bb5 Bd2 27.Kg1 (27.c4 Ne4 28.cd5 ed5-+) 27...Ne4 28.Kf1 (28.Bd3 Nc3 29.Kf2 Ne4 30.Ke2 Bf4-+) 28...Bc3 29.Bc3 Nc3 30.Bd3 Kf8 31.Ke1 Ke7 32.Kd2 Ne4 33.Ke3 Nc5 34.Bb5 f6 35.Kd4 Kd6 36.Be8 e5 37.Ke3 (37.Kc3 g5-+) 37...g5 38.g4 d4 39.Kd2 Ne4 (better 39...e4 40.Bg6-+) 40.Kd3 (40.Ke2 Nc3 41.Kd3 Kc5-+) 40...Nf2 41.Ke2 Ng4 42.h3 Ne3 43.Kf3 Nd5 44.Ke4 Nc7 45.Bh5 b5 46.Kf5 b4 47.Kg6 (47.Bd1-+) 47...b3 48.Kg7 b2 (48...d3!? 49.Kf6 b2 50.Bg6-+) 49.Bg6 Nd5 50.Bb1 Nc3 51.Kg6 Nb1 52.Kf6 Nc3 53.Kg5 b1Q 54.h4 (54.Kh5 Nd5 55.Kg5 Qg1 56.Kh4 d3 57.Kh5 Nf4 58.Kh4 Ne6 59.Kh5 Qg5) 54...Qf1 (54...Ke6 55.h5 Qg1 56.Kh4 Kf5 57.Kh3 Qh1 58.Kg3 Ne4) 55.h5 (55.Kg4 Qg2 56.Kf5 Nd5 57.h5 d3 58.h6 Ne7 59.Kf6 Qg6) 55...Ke6 56.h6 (56.Kg6 Qg2 57.Kh7 Kf7 58.h6 Qg8) 56...Qg2 57.Kh4 (57.Kh5 Kf5 58.h7 Qg5) 57...Kf5 58.h7 Qg4 0–1. Markzela (1690) – Bert59 (2010), lichess.org, 2020.

9.e3 Nf6 10.Ngf3 Bd6 11.Be2 Nbd7 12.0-0 0-0 13.Nh4 Bg6 14.Ng6 hg6 15.Nf3 Qc7 16.h3 b5 17.Qc2 e5 18.Bb2 e4 19.Nd2 Nh5 (19...Ra8=) 20.f4 (20.Ra1 Nhf6=) 20...f5 (20...Ng3 21.Rf2-/+) 21.Qd1 (21.Kf2!?=) 21...Ng3-/+ 22.Rf2 Ne2 (22...g5 23.fg5 Qd8 24.g6-/+) 23.Qe2 Nf6 24.Nf1 (24.Rf1 Nh7=) 24...Kf7 (24...Qd7 25.Qd2=+) 25.Bc1 Rh8 26.Nd2 Nh5 27.Nb3 (27.Nf1 Kg8=+) 27...Ng3 (27...g5!?-/+) 28.Qe1 g5 29.fg5 g6 30.Nc5 Bc5 (30...Qe7 31.Qd1=) 31.bc5 Rh5 32.Ba3 Rg5 33.Rf4 (33.Bb4 Nh5=) 33...Nh5=+ 34.Bb4?? (better 34.Rf2=+) 34...Nf4-+ 35.ef4 Rh5 (35...Qf4 36.Ba5-+) 36.Qg3? (36.Qf2 Qe7-+) 36...Qe7 (better 36...g5 37.Ba3 gf4 38.Qf2-+) 37.Ba5 Qh4 38.Kf2 (38.Qe3 g5 39.Bc7 g4-+) 38...Qg3 39.Kg3 Rh8 40.Bb6 (40.Bb4-+) 40...Ra8 41.Kh4 (41.Bc7 Ra3 42.Kh4 Rc3-+) 41...Ra3 42.g4 Rc3 43.gf5 gf5 44.Kg5 (44.Ba5 Rc4 45.Kg3 b4 46.Bb4 Rb4-+) 44...b4 45.Kf5 (45.Ba5 Rc4 46.Kf5 e3-+) 45...b3 46.Ba5 Rc4 47.h4 b2 48.Bc3 b1Q 49.h5 (49.Be1 e3 50.Kg4 Qd1 51.Kg3 Qe1 52.Kg4 Qe2 53.Kg3 Qf2 54.Kg4 Qg2 55.Kf5 Qg6 56.Ke5 Qe6) 49...Rc3 50.Ke5 (50.Kg5 Rg3 51.Kf5 e3 52.Ke5 Ke7 53.h6 Qe4) 50...Qh1 (50...Qb8 51.Kf5 Rf3 52.h6 Qf4) 51.f5 (51.Kd6 Qh5 52.f5 Qf5 53.Kc6 Qe6 54.Kb5 Rb3 55.Ka4 Rb1 56.Ka5 Qc8 57.c6 Qa8) 51...e3 (51...Qh2) 52.Kd6 e2 53.Kc6 (53.Kc7 e1Q 54.Kc6 Qe8 55.Kc7 Qh2 56.Kb7 Qb2 57.Kc7 Qbb8) 53...e1Q 54.Kc7 (54.f6 Qe6 55.Kc7 Qh2 56.Kb7 Qb2 57.Kc7 Qbb6) 54...Rc4 (54...Qe7 55.Kc8 Qh5 56.c6 Qh8) 55.c6 (55.Kc6 Qe8 56.Kd6 Qd8 57.Kc6 Qa1 58.h6 Qa6) 55...Rd4 (55...Qe7 56.Kc8 Qh5 57.c7 Qc7) 56.Kd7 (56.f6 Qa5 57.Kd7 Qh3 58.Kd6 Qe6) 56...Rc4 (56...Qe8 57.Kc7 Qb1 58.h6 Qbb8) 57.c7 (57.Kc8 Qe8 58.Kc7 Rb4 59.h6 Qh2) 57...Rc7! 58.Kd6 (58.Kc7 Qa5 Mate attack) 58…d4 (58...d4 59.Kc7 Qa5 60.Kc8 Qc6 61.Kb8 Qab6; 58...Qg3) 0-1. ClayPigeons (2200) - SanderHyeEhmsen (2200), Rated Bullet game, lichess.org, 2021.

9.e3 Nf6 10.Ngf3 Bd6 11.Be2 h6 12.0-0 0-0 13.Nh4 Bh7 14.f4 Nbd7 15.g4 Qc7 16.Rf2 Ra8 17.f5 Ra2 18.Bd3? (better is 18.Rg2-/+) 18...Bh2!! 19.Rh2 Qg3 20.Rg2 Qe3 (20...Qh4?! 21.Qb1 Ra4 22.e4-+) 21.Kh1 Qd3 (22.Nhf3 Qa6-+) 0–1. Mayor – Rolly, ACL–T055 playchess.de, 2003.

9.Qa4 e5 10.e3 ed4 11.ed4 Bd6 12.Ngf3 0-0 13.Be2 Re8 14.Kd1 (14.Qa5 Qa5 15.ba5 Nbd7-/+) 14...Qc7 15.h3 Nbd7 16.Nh4 Nb6 17.Qb3 (17.Qa2!? Qe7 18.Re1-/+) 17...Qe7 18.Re1?? (18.Bf3 Bd3 19.g3-+) 18…Bd3!! 0–1. Schelwokat,Peter (1965) – Aulich,Marcell (1995), Ruhrgebiet Regionalliga, 2008.

9.e3 Nbd7 10.Ngf3 e6 11.Be2 h6 12.0-0 Bd6 13.Qb3 Qc7 14.c4 0-0 15.c5 Be7 16.b5 Ra8 17.Bc3 (17.b6 Qd8=) 17...Ne4 (17...b6 18.bc6 Qc6 19.Bb5=) 18.Ne4+= Be4 19.Nd2 Bg6 20.f4 f5 (20...cb5 21.Bb5 (worse 21.Qb5 b6-/+) 21...Nb8 22.g4=) 21.Nf3 Bh5 22.Rb1 Qd8 23.Rb2 Bf6 24.bc6 bc6 25.Qb7 (25.Rb1!?+=) 25...Nc5=+ 26.dc5 (26.Qc6 Rc8 27.Ba5 Qf8=) 26...Bc3-/+ 27.Rc2 Ra1 28.Bf1 Bf3 29.gf3 Qh4 (29...Qe8 30.Qb3 Bf6-+) 30.Qc6+= (30.Rc3?? Qe1 31.Qa6 Ra6-+) 30...Qh3 31.Qe6 Kh7 32.Rg2 (32.Rf2!? d4 33.c6+=) 32...Qf3= 33.Qf5 Kh8 34.Qd3?? (better 34.Qf8 Kh7 35.Qf5 Kh8 36.Rf2 Qe3 37.Qf8 (37.Qd5?? Bd4 38.Qd8 Kh7 39.Qd4 Qd4-+) 37...Kh7 38.Qf5 Kg8 39.Qd5 Kh8 40.Kg2=) 34…Bd4!!-+ (34...Bd4 35.ed4 Qd3-+) 0-1. opperwezen (2590) – BeepBeepImAJeep, lichess.org, 2018.

9.Ngf3 Na6 =+.

9.Ngf3 Nbd7 10.h3 (10.Nh4 Bg6=) 10...e6=+ 11.g4 Bg6 12.Bg2 Bd6 13.Nh4 0-0 14.Ng6 hg6 15.0-0 e5 (15...Ra8 16.e4 Ne4 17.Ne4 de4 18.Be4=+) 16.de5 Ne5 17.Nf3 (17.e4 Nd3=) 17...Nf3 18.ef3 (18.Bf3 Ra8=+) 18...Rd8 19.Qc2 Bf4 20.Bb2 Nd7 (20...Re8 21.Rd1=+) 21.Bc1=+ Bc1 22.Rc1 Ne5 23.f4 Nc4 24.Re1 Kf8 25.Bf1 Nd6 26.Qd3 Ne4 (26...Ra8 27.Bg2=+) 27.Qd4 (27.Qc2!?=) 27...Qd4=+ 28.cd4 Re8 29.Kg2 (29.b5 Nd2 30.Re3 Nf1 31.Kf1 cb5=+) 29...Nd2-/+ 30.Rd1 Nf1 31.Kf1 Ra8 (31...Re4 32.Kg2-/+) 32.Rb1 Ra4 33.Ke2 Ra2 34.Kf1 (34.Ke3 Ra3 35.Ke2 Rh3=+) 34...Ra3 (34...Rd2 35.b5 Rd4 36.bc6 bc6 37.Rc1-/+) 35.Kg2 (35.Ke2!?=+) 35...Rd3-/+ 36.b5 Rd4 37.bc6 bc6 38.Kg3 (38.Rc1 Rf4 39.Rc6 Ke7-/+) 38...Rd3-+ 39.f3 d4 40.Rb8 Ke7 41.Rc8 Rc3 42.Rg8 (42.Ra8 Rc2 43.Ra3 Rb2-+) 42...d3 (better 42...Rc2 43.Rb8 d3 44.Rb7 Kd6-+) 43.Rg7?? (43.Kf2 c5 44.f5 gf5 45.Ke3-+) 43...d2 44.f5 (44.Rh7 g5! 45.Kh2 d1Q 46.Rf7 Kf7 47.fg5 Qe2 48.Kg3 Rf3 49.Kh4 Qe1 50.Kh5 Rh3) 44...gf5 (44...d1Q 45.f6 Ke6 46.Kh4 Qe1 47.Kg5 Rc5 48.Kf4 Qe5) 45.gf5 d1Q (45...d1Q 46.f6 Ke6 47.Kh4 Qf3 48.Rg4 Qf6 49.Rg5 Qf4 50.Kh5 Rh3) 0-1. nookieee (1680) - Huskygaze (1610), Rated Blitz tournament, lichess.org, 2014.

9.Ngf3 e6 10.e3 Bd6 11.Be2 0-0 12.0-0 Nbd7 13.Qb3 Ra8 14.Nh4 Qc7 (14...Bg4 15.f3 Bh5 16.g4=+) 15.h3 (15.Nf5 Bh2 16.Kh1 ef5 17.g3 Bg3 18.fg3 Qg3 19.Bf3-/+) 15...Be4=+ 16.c4 h6 (16...dc4 17.Nc4 Bd5 18.Qc3-/+) 17.Nhf3 dc4 18.Bc4 Bd5 19.Bb2 b5 20.Bd5 Nd5 The isolani on b4 becomes a target 21.Bc3 Ra4 The pressure on the isolated pawn grows 22.Rc1 Nb4 23.Bb2 Nd5 24.Ne4 Be7 25.Nfd2 Ra8 26.Nf3 Qb7 27.Nfd2 Qb6 28.Qc2 Rc8 29.Ra1 c5 30.dc5 White gets kings attack. 30...f5 31.Bg7 fe4 32.Qe4 Bc5 33.Bh6 Threatening mate: Qg6 33...Kf7 34.Qh7= Ke8 35.Nf3 Kd8 36.Bg5 Be7 37.Be7 Ne7 38.Qf7 Qd6 39.Nd4+= Attacks the isolani on e6 39...Nc5 40.Nb5 Qe5 41.Qf8 Kd7 42.Rd1 Nd5 43.Qf7 Kd8 44.e4! Ne4 45.f4 Qf6 46.Qg8 Kd7 47.Qh7 Qe7 48.Qe4 Rc5 49.Nd4 Qf6 50.h4 Rc4 1–0. Rau – Pommerel,Wim, CiF, 1988.

9.Ngf3 h6 10.e3 e6 11.Be2 Bd6 12.0-0 0-0 13.Ne5 Nbd7 14.f4 Ra8 15.Nd7 Nd7 16.Qb3 Nf6 17.Bb2 Ne4 18.Qd1 Ra2 19.Qb3 Qa7 20.Ne4 Be4 21.Bf3 Bd3 22.Rf2 b6 23.Be2 Be2 24.Re2 Qa6 25.Rd2 c5 26.bc5 bc5 27.Kf2 Qa5 28.Qd1 Qb5 ½–½. Boehnke,Hartmut (2095) – Hartwich,Andreas (2195), remoteschach.de, 2004.

9.g3 e5=+ 10.Ngf3 e4 11.Nh4 Be6 12.Ng2 (12.Nb3 e3=+) 12...Bd6 13.Ne3 h5 (13...Nbd7 14.Bg2-/+) 14.h4 (14.Bg2 h4-/+) 14...Ng4 15.Ng4 Bg4 16.Bg2 e3 17.Nf1 ef2 18.Kf2 Nd7 19.Qd3 0-0 20.Ne3 Nf6 21.Ng4 (21.Rf1 Qc7-+) 21...Ng4-+ (21...hg4?! 22.h5=+) 22.Kg1 Re8 23.Bf3 Re3 24.Qf5 Qa6 (24...Bg3?! 25.Qc8 Kh7 26.Qf5 Kg8 27.Qc8 Kh7 28.Qf5 Kg8=) 25.Bb2 Re2! (26.Be2 Qe2-+; 25...Bg3?! 26.Qc8 Kh7 27.Qf5 Kg8 28.Qc8 Kh7 29.Qf5 Kg8=) 0–1. Haidler,J – Bohnke,H, OCC–2002–06, 2002.

9.h3 Nbd7 A) 10.Ngf3 e6 11.Qa4 (11.e3 Bd6 12.Be2 0-0 13.Qa4 Qc7 14.0-0 b5 15.Qb3 h6 16.Bb2) 11...Bd6 12.g4 Bg6 13.Qa8 Nb8 14.Nb3 0-0 15.Qa5 Nbd7 16.Bb2; B) 10.g4 Bg6 (10...Be4 11.Ngf3 e6 12.Bg2 Bg6 13.Qa4 Bd6 14.Qa8 Bb8 15.Nb3 0-0 16.Na5) 11.Qa4 e6 12.Qa8 Ke7 13.Bg2 Kd6 14.Ngf3 Kc7 15.Bb2 Qb5 16.g5; C) 10.Qa4 e6 11.Qa8 (11.g4 Bg6 12.Qa8 Ke7 13.Ngf3 Kd6 14.g5 Ne4 15.Ne4 Be4) 11...Ke7 12.Ngf3 h6 13.e3 g5 14.Be2 Kd6 15.Ne5 Ke7 16.Qa3.

9.h3 e6 A) 10.g4 Bg6 11.Bg2 (11.Ngf3 Bd6 12.Nh4 Nbd7 13.g5 Nh5 14.Ng6 hg6 15.e3 0-0 16.Bb2) 11...Nbd7 12.Ngf3 Bd6 13.Nh4 0-0 14.Ng6 hg6 15.Qa4 Qc7 16.Bb2; B) 10.Ngf3 Bd6 (10...Nbd7 11.e3 Bd6 12.Be2 0-0 13.Qa4 Qc7 14.0-0 Nb6 15.Qb3 Ra8 16.Bb2; 10...Be7 11.e3 Nbd7 12.Qa4 0-0 13.Be2 Qc7 14.0-0 b5 15.Qb3 Ra8 16.Bb2) 11.g4 (11.e3 Nbd7 12.Qa4 0-0 13.Be2 Qc7 14.0-0 b5 15.Qb3 h6 16.Bb2) 11...Bg6 12.Ne5 Nbd7 13.Ng6 hg6 14.Bg2 e5 15.c4 dc4 16.0-0.

9.h3 h6 10.e3 (10.Ngf3 e6 11.e3 (11.Qa4 Bd6 12.e3 0-0 13.Be2 Qc7 14.0-0 Nbd7 15.Bb2 b5 16.Qb3) 11...Bd6 12.Be2 0-0 13.0-0 Nbd7 14.Qa4 Qc7 15.Bb2 b5 16.Qb3; 10.Bb2 e6 11.Ngf3 (11.e3 Nbd7 12.Ngf3 Bd6 13.Qa4 0-0 14.Be2 Qc7 15.0-0 b5 16.Qb3; 11.Qa4 Bd6 12.Ngf3 0-0 13.e3 Na6 14.Qb3 Ra8 15.Be2 Nb8 16.0-0) 11...Bd6 12.e3 Nbd7 13.Qa4 0-0 14.Be2 Qc7 15.0-0 b5 16.Qb3; 10.g4 Bh7 11.Ngf3 (11.Qa4 e6 12.Ngf3 Bd6 13.Bg2 0-0 14.Bb2 Nbd7 15.0-0 h5 16.g5; 11.Bb2 e6 12.Bg2 Be7 13.Ngf3 Nbd7 14.Qa4 0-0 15.0-0 c5 16.b5; 11.e3 e6 12.Bb2 Bd6 13.Be2 Nbd7 14.Ngf3 0-0 15.Qa4 Qc7 16.0-0; 11.Bg2 e6 12.Bb2 Bd6 13.Ngf3 0-0 14.Qa4 c5 15.dc5 Bc5 16.0-0) 11...e6 12.g5 hg5 13.Ng5 Bf5 14.Bg2 Be7 15.e4 de4 16.Nge4; 10.Qa4 e6 11.g4 (11.Bb2 Bd6 12.g4 Bg6 13.Ngf3 0-0 14.Ne5 Bh7 15.Bg2 Qc7 16.h4; 11.Ngf3 Bd6 12.e3 0-0 13.Be2 Qc7 14.0-0 Nbd7 15.Bb2 b5 16.Qb3; 11.e3 Bd6 12.Ngf3 0-0 13.Be2 Qc7 14.0-0 Nbd7 15.Bb2 b5 16.Qb3) 11...Bh7 12.Ngf3 Bd6 13.Bg2 0-0 14.0-0 Na6 15.Bb2 Ra8 16.Ne5) 10...e6 11.Nb3 (11.Be2 Nbd7 12.Ngf3 Bd6 13.Bb2 0-0 14.Qa4 Qc7 15.0-0 b5 16.Qb3; 11.Qa4 Bd6 12.Ngf3 0-0 13.Bb2 Na6 14.g4 Bh7 15.Qa5 Qa5 16.ba5) 11...Nbd7 12.Bd3 Ne4 (12...Bd6 13.Bf5 ef5 14.Nc5 0-0 15.Nf3 Ra8 16.0-0) 13.f3? (better 13.Nc5= Be7 14.Nd7 Kd7 15.Nf3 Ra8 16.0-0; 13.Nf3 Be7 14.Nc5 Ndc5 15.dc5 Qa7 16.0-0) 13...Ng3-+ 14.Rh2 Bd6 15.f4 Nf6 16.Ne2 Ne2 17.Qe2 Bd3 18.Qd3 0-0 19.Nd2 Re8 20.Qb1 Qa6 21.Bb2 Qb5 22.g4 Nh7 23.Kf2 g5 24.Kf3 Rf8 25.h4 gf4 26.ef4 Qb6 27.Qd3 (27.Rg2!?=+) 27...Bf4!-/+ 28.Rg2 (28.Kf4 Qc7 Double attack) 28...Qc7 29.Nf1 Kg7 30.Ng3 Bg3 31.Rg3 f6 (31...Nf6!?-/+) 32.Bc1=+ Rh8 33.Qe3 Nf8 34.g5 hg5 35.hg5 f5 36.Qe5? (better 36.g6=+) 36...Qe5-+ 37.de5 Rh2 (37...Ng6 38.Kg2-+) 38.Rg2 Rh1 39.Bd2 (39.Be3-+) 39...Ng6 40.Re2 Rh4 41.Re1 Re4 42.Ra1 Ne5 (42...Re5?! 43.Ra7 Nh4 44.Kg3-/+) 43.Kf2 Nc4 44.Be1 (44.Bc1 f4-+) 44...Kg6 45.Ra7 Rf4 46.Ke2 Re4 47.Kf2 Nd6 (worse 47...Kg5 48.Rb7 f4 49.Rg7 Kf5 50.Rf7 Ke5 51.Rf8-+) 48.Bd2 Nc4 (48...f4 49.Ra8 Kg5 50.Rg8 Kh5 51.Rh8 Kg6 52.Rd8-+) 49.Be1 b6 50.Rc7 c5 51.bc5 bc5 (51...Kg5?! 52.c6 Ne5 53.Bd2 Kf6 54.Rb7 Nc6 55.Bh6-+) 52.Rc5 (52.Rc8 Kg5 53.Rc5 Rh4-+) 52...Kg5 (better 52...Ne5 53.Rc8 Nd3 54.Kg3 Rg4 55.Kf3 Ne1 56.Kf2 Nd3 57.Ke2 Nf4 58.Kf1 Kg5 59.c4-+) 53.Rc8 f4 54.Rg8 Kf5 55.Rf8 Ke5 56.Rh8 Nd6 (56...f3 57.Rh5 Kf4 58.Rh4 Kf5 59.Re4 Ke4 60.Kf1-+) 57.Rh5 Nf5 58.Rh8 (58.Bd2-+) 58...Ne3 (better 58...Ng3 59.c4 Re2 60.Kf3 Re1 61.cd5 Re3 62.Kg2 ed5 63.Re8 Kf5 64.Rf8 Ke4 65.Re8 Kd3-+) 59.Ke2 0–1. Kopec,Jerzy – Woloszyn,Piotr (1780), Turniej Szachowy Cztery Pory Roku Poland, 2010.

9.Nd2 e6 10.Ngf3 h6 11.Be2 Bd6 12.0-0 Nbd7 13.Re1 0-0 14.Nf1 Ra8 15.Ng3 Bh7 16.Qc1 Ra2 17.Bb2 Qa7 18.Bd1 Ne4 19.Bb3 Ra6 20.Ne4 Be4 21.Nd2 Bg6 22.f3 Nf6 23.g3 Qb8 24.Kg2 h5 (24...Qc7 25.e4 de4 26.Ne4 Ne4 27.fe4=) 25.Nf1 (25.e4!? Bc7 26.e5=) 25...h4=+ 26.Re2 (26.gh4 Nh5-/+) 26...hg3 27.hg3 (27.Ng3 Bd3 28.Rd2 Bh7-/+) 27...e5 (27...Bd3 28.Re1-/+) 28.Rf2 (28.de5 Be5 29.c4 Bd3-/+) 28...ed4 (28...e4 29.f4-/+) 29.ed4 Qc7 30.Bc2 Bc2 31.Qc2 Ra2 32.Qb1 Ra8 33.Ne3? (33.Re2 Qd7=+) 33...Re8 (better 33...Bg3!? 34.Rc2 Re8-+) 34.Nf5-/+ Bf8 (34...Nh5 35.f4-/+) 35.Qd1 (35.Bc1 Re1=+) 35...Qd7 (35...g6 36.Nh4-/+) 36.g4 g6 37.Ng3 Bd6 38.Bc1 Qc7 39.Nf1 Bf4 (39...Qe7 40.Ra2=+) 40.Qc2 (40.Bf4 Qf4 41.Re2 Ra8=) 40...Bc1 41.Qc1 Qe7 42.Qg5 Kg7 43.Ng3 Qe6 (43...Kf8 44.Re2 Qd6 45.Re5=) 44.Rf1 (44.Re2 Qd7+=) 44...Rh8 (better 44...Nh7 45.Qd2 Qe3=+) 45.f4?? (better 45.Ra1+=) 45...Ne4 (worse 45...Ng4 46.f5 Rh2 47.Kg1 Qe3 48.Qe3 Ne3 49.Kh2 Nf1 50.Nf1+-; 45...Qg4?! 46.Qg4 Ng4 47.Re1-/+) 46.Qe5 Qe5 47.de5 Nc3 48.Rf3 Nb5 49.Rd3 (49.Ne2 Ra8 50.Kg3 Ra4-/+) 49...Ra8-+ 50.f5 (50.Rd2 Ra4 51.Rb2 Nc3-+) 50...Ra2 51.Kf3 d4?? (better 51...Rb2-+) 52.e6?? (better 52.f6 Kg8 53.Ne2+=) 52…Kf8 0-1. ClayPigeons (2135) - rabesocke (2285), Rated Bullet game, lichess.org, 2021.

9.Nf3 Nbd7 10.Be2 e6 11.0-0 Bd6 12.Nbd2 0-0 13.Nh4 Bg6 14.Ng6 hg6 15.Qc2 Ra8 16.Nb3 Qa7 17.Bb2 b6 18.Ra1 Qb7 19.b5 c5 20.c4 Ra1 21.Ba1 Qa7 22.f3 Qa4 23.g3 Kf8 24.Kf2 Ke7 25.h4 Qa8 26.g4 (26.Bb2!?+=) 26...Qh8 27.h5 gh5 28.g5 Ne8 29.f4 (29.cd5!? ed5 30.dc5 bc5 31.f4=) 29...dc4+= 30.Bc4 Nc7 (30...h4 31.Bc3+=) 31.Qe4 (31.dc5 bc5 32.Na5 Nb6+=) 31...Qa8 (better is 31...h4!?+=) 32.Qa8+= Na8 33.dc5 Nc5 34.Nc5 Bc5 35.Bg7 Nc7 36.Kf3 Nd5 37.e4 Nc7 (37...Ne3 38.Be2+=) 38.Kg3 Ne8 39.Bc3 f6 40.g6 Ng7 41.e5 f5 42.Be2 Kd7 43.Be1 Be7 (43...Ke8 44.Bf3+–) 44.Kh3 (better is 44.Bf2 Bd8 45.Kh3+–) 44...Kc7?? (better is 44...Bc5+–) 45.Bh4 Kd7 (45...Bf8 46.Bf6+–) 46.Be7 Ke7 47.Kh4 1–0. katchum (2535) – jvanmechelen (2500), net–chess.com, 2014.

8.Qc2.

8.Nd2 Nbd7 9.Ngf3 e6 10.e3 Bd6 11.Be2 0-0 12.0-0 Qc7 13.b5 e5 (13...cb5 14.Bb5 Nb6 15.Bd3=+) 14.bc6 bc6 15.de5 Ne5 16.Ne5 Be5 17.Nf3 Bd6 18.c4 dc4 19.Qc2 (19.Bf6 gf6 20.Qd4 Rd8 21.Qf6 Qe7+/-) 19...Bg4 (19...Nd5 20.e4 Nb6 21.Rb1=) 20.h3 (20.Bf6!? gf6 21.Qc4 Bf3 22.Bf3 Bh2 23.Kh1+=) 20...Bf3= 21.Bf3 Bh2 22.Kh1 Be5 23.Qc4 c5 24.Be5 Qe5 25.Rc1 Rc8 26.Qa6 Rc7 27.Qb5+= g6 28.Bc6 Ra7 29.Qc5+/- Qc5 30.Rc5 Rc7 31.Rc2 h6 32.g4 Kf8 33.Kg2 Ke7 34.Be4! Rc2 35.Bc2 g5 36.Kg3 Ne8 37.h4 f6 38.hg5 hg5 39.Kf3 Nd6 40.Ke2 Ke6 41.f4 gf4 42.ef4 Ke7 43.Ke3 Ke6 44.Bb3 Ke7 45.Kd4 Nb5 ½–½. Koester,Roman (2125) – Vollmar,Rainer, Oberliga Ost–B, 2004.

8.Nd2 Bg4 9.Ngf3 =+.

8.Nd2 g6 9.e3= Bf5 10.Ngf3 (10.Be2 Bh6=) 10...Bg7 11.Be2 0-0 12.0-0 Nbd7 13.Nh4 Be6 14.f4 Bh6 (14...Ra8 15.f5 gf5 16.Nf5 Bf5 17.Rf5=) 15.g4 White plans f5 15...Ne4 (15...g5 16.Ng2 gf4 17.ef4= (17.Nf4?! Ra8=)) 16.Ne4+= de4 17.g5 Bg7 18.f5 Bf5 19.Nf5 gf5 20.Rf5 e6 21.Rf4 Qd8 22.h4 h6 23.Rg4 hg5 24.Rg5 (24.hg5 b5+=) 24...Kh7= 25.Qc2 (25.Qe1!?=) 25...f5=+ 26.Bh5 (26.Bc4 Bh6 27.Rg3 Nb6=+) 26...Bh6-/+ 27.Bg6 (27.Rg3 Qh4 28.Bg6 Kg7-+) 27...Kg7 28.Rg3 Qh4 29.Qg2 f4 Do you see the mate threat? 30.Rg4 Qe1 31.Kh2 Nf6 32.Be4 Ng4 (32...Kf7 33.Rg6 Rh8 34.Rf6 Kf6 35.Qg6 Ke7 36.Qh5-+) 33.Qg4 Kh8 34.Qg6?? (better is 34.Qe6 Qg3 35.Kh1-+) 34...Qh4 35.Kg2 The mate threat is Qh7 35...Rg8 (36.Qg8 Kg8 37.ef4 Qg4 38.Kf2 Qf4 39.Bf3 Qd2 40.Be2 Qe3 41.Kf1 Qc1 42.Kg2 Qa1-+) 0–1. Wisniewski,J – Brzoza,Miroslaw, corr 2. AMM Poland, 1994.

8.e3 e6 9.Nf3 Bd6 10.Be2 0-0 11.0-0 Nbd7 12.Nbd2 e5 13.de5 Be5 14.Ne5 Ne5 15.Nf3 Nf3 16.Bf3 Bf5 17.Bb2 Be4 18.Be4 Ne4 19.f3 Qe3 0–1. Woschkat – Dluhosch, corr BdF 1984.

8.Nf3 Bf5 9.e3 e6 10.Bd3 (10.Nbd2 Be7=) 10...Bg6 11.0-0 Bd6 12.Bg6 hg6 13.Bb2 (13.h3 Rh5=+) 13...Ne4 (13...g5 14.g3 Rh5 15.Ne5=+) 14.Nbd2=+ f5 (14...g5!?=+) 15.Ne4+= de4 16.Ne5 Be5 17.de5 Nd7 (17...c5 18.Qa4 Ke7 19.b5+=) 18.Qd4 (18.Qd6 c5+/-) 18...Qc7 (18...c5 19.Qd6+=) 19.c4+/- Rh5 (19...c5 20.bc5 Nc5 21.Rb1+/-) 20.Rd1 f4? (better 20...g5+/-) 21.ef4 g5 22.Qe4 gf4 (22...Nf8+-) 23.Qg6 Kf8 24.Qh5 Ne5 (24...Kg8+-) 25.Be5 Qb6 (25...Qe7 26.Ra1 Qd8 27.Qh8 Ke7 28.Qg7 Ke8 29.Qg6 Kf8 30.Bg7 Ke7 31.Qf6 Ke8 32.Qe6 Qe7 33.Ra8) 26.Qg5 (26.Rd7 Qf2 27.Kf2 f3 28.Qf7) 26...Qd8 (26...Ke8 27.Qg6 Ke7 28.Bd6 Kd8 29.Bf4 Ke7 30.Qg7 Ke8 31.Qg8 Ke7 32.Bg5) 27.Rd8 Kf7 28.Qg7 1-0. ClayPigeons (2145) - nie_wiem (2205), Rated Bullet game, lichess.org, 2021.

8.h3 Bf5 9.e3 e6 10.g4 Be4 11.f3 Bg6 12.Ne2 Bd6 13.Nd2 0-0 14.Bb2 Nbd7 15.Kf2 e5 16.Nb3 Ra8 17.Qd2 ed4 18.Ned4 Ra2 19.Nc1 Ra7 20.g5 Nh5 21.f4 Qc7 22.c4 dc4 23.Bc4 Nb6 24.Bd3 Ra4 25.Bg6 hg6 26.Nd3 Qe7 27.Ra1 Nc4 28.Qe2 Nb2 29.Qb2 Ra1 ½–½. Moeller Nielsen,Peter – Plock,Joerg, TKM/A001, 1999.

9.f3 e6-/+ 10.Nd2 (10.g4 Bg6-/+) 10...Nbd7 (10...Bd6 11.g4 Bg6 12.g5-/+) 11.g4 Bg6 12.Qa2 (12.g5 Nh5=+) 12...Be7 (12...e5 13.Qa8 Ke7 14.e3=+) 13.e4 de4 14.g5 Nd5 15.fe4 Nf4 (15...Ne3 16.Ngf3=+) 16.h4 0-0 (16...h6 17.Qa8 Bd8 18.gh6 Rh6 19.Ngf3=+) 17.Be2 h6 (17...f5 18.Nh3 Ne2 19.Qe6 Rf7 20.Ke2=+) 18.gh6= gh6 19.h5 Bh7 20.Ngf3 Ne2 21.Ke2 Qa6 22.Qa6+/- ba6 23.c4 Rb8= 24.Bc3 Bb4 25.Bb4 Rb4 26.Ra1 Nb8 27.Ne5 Kg7 28.Rg1 Kf8 29.Ng4 a5? 30.Nf6+– (30.Nf6 Ke7 31.Nh7+–; 30.Nh6?! a4+=) 1–0. Bertel,Michael (1765) – Vermaas,Fred, TE.2004.P.01714, 2004.

9.Nf3 Nbd7 10.Nbd2 (10.e3 e6=+) 10...e6 (10...e5 11.de5 Ng4 12.Nd4 Nde5 13.h3=) 11.e3 (11.Nh4 Bg4=+) 11...Bd6 12.Be2 e5 (12...0-0 13.0-0=+) 13.de5= Ne5 (< 13...Be5 14.Ne5 Ne5 15.c4+=) 14.Ne5 Be5 15.0-0 Qc7 (15...Bd6 16.Rd1=) 16.g3 (16.f4!? Bd6 17.c4=) 16…b5 =+. Pressprich – Grunberg,Hans Ulrich, corr, 1975.

9.Nf3 e6 10.e3 =+.

9.Nb3 Nbd7 10.Nc5 e6 (10...e5 11.Nf3=+) 11.e3 Bd6 12.Nf3 0-0 (worse 12...Nc5 13.bc5 Bc5 14.dc5 Qc5 15.c4+/-) 13.Bd3 (13.Nh4 Ra8=+ (worse 13...Nc5 14.dc5 Bc5 15.Nf5 Bb4 16.Ng7+/-)) 13...Bd3 (worse 13...Nc5 14.bc5 Bc5 15.dc5 Qc5 16.Bf5 ef5 17.0-0+/-) 14.Qd3 Ra8 (worse 14...Nc5 15.dc5 Qa7 16.0-0=) 15.0-0 Ra3 (15...Ra2 16.Rb1-/+) 16.Qc2 (16.Bb2 Ra2=+ (16...Nc5? 17.dc5 Qb4 18.Ba3 Bh2 19.Nh2 Qa3 20.Qb1+-)) 16...Bc5 (worse 16...Nc5 17.bc5 Bc5 18.Rb1+/-) 17.dc5 Qa6 18.Bb2 Ra2 19.Qb3 (19.Rb1 b6-/+) 19...e5 (19...b6 20.cb6 Nb6 21.Ne5-/+) 20.Rd1 Ne4 (better 20...e4 21.Nd2 Qe2 22.Qa2 Qd1 23.Nf1 Ng4-/+) 21.h3?? (better 21.c4=) 21...f6 (21...Qe2 22.Qa2 Qd1 23.Kh2 Nf2 24.Kg3-+) 22.Ne1 (better 22.Rb1-/+) 22...Kf8 (better 22...Qe2!? 23.Qa2 Qd1-+) 23.f3=+ Ng5 (23...Ng3 24.b5 Qb5 25.Qb5 cb5 26.Rd5 Nc5 27.Rc5 Rb2 28.e4-/+) 24.h4 Ne6 25.e4 Ndc5 (25...Qe2!? 26.Rb1 Qc4 27.Qc4 dc4=) 26.bc5+= Nc5 27.Qc2?? (27.Qb4 Qe2 28.Rb1 Qe3 29.Kh1 Kg8=) 27...Qb5?? (better 27...Na4 28.ed5 Nb2-/+ (28...Rb2?! 29.Qh7 Qb6 30.Kh2=)) 28.Rb1+= de4? (28...Qb3 29.ed5 cd5 30.Qb3 Nb3 31.Bc1 Nc1 32.Rc1+=) 29.fe4?? (better 29.Ba3 Rc2 30.Rb5+-) 29...Ne6?? (29...Qc4 30.Qf2=+) 30.Qd3?? (better 30.Ba3! Ra3 31.Rb5 cb5 32.Qd2+-) 30...Nf4?? (better 30...Rb2 31.Qd6 Kf7 32.Qd7 Kg6 33.Rb2 Qb2 34.Qe6 Qc3 35.Qf5 Kh6=) 31.Qb5+/- cb5 32.Bc1 (32.Bc1 Ne2 33.Kh2 Nc3 34.Rb3 Ne4 35.Rb5=+) 1-0. ClayPigeons (2185) - Supermariob (2215), Rated Bullet game, lichess.org, 2019.

9.e3 e6 10.Be2 Qa7 11.Ngf3 b5 (11...Qa2 12.Qc1=) 12.Nh4 Bd6 (12...Be4 13.0-0=) 13.Nf5 ef5 14.Bb2 Nbd7 (14...f4 15.ef4 Bf4 16.0-0=) 15.Bd3+= g6 16.0-0 Qc7 17.Nf3 0-0 18.Qb3 Ra8 19.Ra1 Ra1 20.Ba1 Qa7 (20...Ne4 21.Bb2=) 21.Bb2 (21.Qb1 Ne4=) 21...Nb6 (21...Qa4 22.Qa4 ba4 23.Ba6=) 22.Nd2 (22.Qd1 Qa2 23.Qa1 Qa1 24.Ba1 Ne4+=) 22...Ne4 23.Qc2 Qa2 24.Qb1 Qb1 25.Nb1 (25.Bb1?? Nd2 26.Bc2 Na4-+) 25...Na4 (25...Nc4 26.Bc1=) 26.Ba1 Bf8 (26...h6 27.f3 Nf6 28.Nd2=) 27.f3 Nd6 28.Nd2 Bh6 (28...Nb6 29.Kf2=) 29.Kf2 Kf8 30.Bb1 (30.Nb3 Ke7=) 30...Nb6 31.Bc2 Nbc4 32.Nc4 Nc4 33.e4 fe4 34.fe4 Ke7 35.Bd3 de4 36.Be4 Kd6 37.Bc2 Bg5 38.Bb3 Kd5 39.Ke2 h5 40.Bb2 Kd6 (40...h4 41.g3=) 41.Bc4+= bc4 42.Ba3 (42.Kd1 Kd5=) 42...Kd5 43.Kf3 Bd2 (43...f5 44.Bb2=) 44.Bb2 f5 (44...h4 45.g3=) 45.g3 Bh6 46.h4 g5 47.hg5 Bg5 48.Ba3 h4 49.gh4 Bh4 50.Kf4 Ke6 51.Bb2 Kf6 52.Ke3 Bg5 53.Kf2 (53.Kf3 Ke6=) 53...Ke6 54.Kg3 (54.Ke2 Bf4=) 54...Kd5 (54...Be3 55.Kg2=) 55.Kf3 Bd2 ½–½. andytop10 (2040) – orlink (2240), gameknot.com, 2016.

9.f3 e6 10.e3 Bd6 11.Qa4 0-0 12.Be2 e5 13.Nb3 Re8 14.Kf2 Qc7 15.g3 Qe7 16.Qa2 Nbd7 17.Qd2 b6 18.Bb2 h6 19.h3 Bh7 20.g4 ed4 21.ed4 c5 22.bc5 bc5 23.Na5 cd4 24.cd4 Nb6 25.Bc3 Qc7 26.Qb2?? (Better is 26.Bb4-+) 26...Na4 (27.Qb7 Qc3-+) 0–1. Fiedler,Eduard (1780) – Fischer,Ernst (2195), GER–ch, 1999.

9.Ngf3 e6 10.Nh4 Bg6 11.Nb3 (11.Ng6 hg6 (worse 11...fg6 12.e4+–) 12.h3 Bd6=) 11...Nbd7 (11...Bh5 12.h3=+) 12.Ng6= hg6 13.Bb2 (13.e3 Bd6=) 13...Bd6 (13...Bb4 14.e4 Be7 15.ed5 cd5 16.h3-/+) 14.h3 (14.Qa1 Rh2 (14...Bh2?! 15.g3=) 15.Rh2 Bh2 16.Qa8 Ke7=+) 14...0-0 (14...Bb4 15.e4 Be7 16.ed5 cd5 17.Bd3-/+) 15.Bc1 e5 16.Nc5 (16.Be3 e4=+) 16...Qc7 (16...ed4!? 17.Nd7 Nd7 18.Qd4 Qd4 19.cd4 Nf6-/+) 17.g4 Ra8 18.Qc2 e4 19.g5 Nh5 20.h4 b6 21.Nd7 Qd7 22.Bh3 Qc7 23.e3 (23.Bg4 Qe7=+) 23...c5-/+ 24.dc5 bc5 25.b5 Qa5 (better 25...c4!?-/+) 26.Bd7= Qa1 27.Qb2 Be5 (27...Qb2 28.Bb2 Ra2 29.Bc1=) 28.Qa1 Ra1 29.Kd2 (better 29.0-0!? Bc3 30.Bc6+=) 29...Ra2-/+ 30.Ke1 (30.Kd1 Rf2 31.Rh3 Rf1 32.Kc2 Ng3-/+) 30...Bc3 31.Kf1 d4 32.ed4 (32.Bc6 d3 33.Kg2 d2-/+) 32...cd4 (better 32...Bd4 33.b6 Rc2-+ (33...Rf2?! 34.Ke1 e3 35.Bb5-+; 33...Bf2?! 34.Rh2 Ng3 35.Kg2-/+)) 33.Bg4?? (33.b6!? Bb4 34.b7-/+) 33...d3 (better 33...e3 34.b6 Rf2 35.Kg1 Rc2-+) 34.Be3 Rb2 35.b6 (35.Bd7 Be5-+) 35...Be5 (better 35...Ba5!? 36.b7 Rb7 37.Kg2-+) 36.Bh5 gh5 37.Kg2 Bc3 (37...f5 38.gf6 Bf6 39.Kg3 Be5 40.Kh3-+) 38.Rd1 (38.Kg3 f5 39.Kf4 g6-/+) 38...Ba5 (38...f5 39.Rc1 Be5 40.g6-/+) 39.Bd4-/+ Rb3 40.Kg3 (40.f3!? f5 41.gf6 ef3 42.Kf3 gf6 43.Bf6 d2 44.Ke2 Rb6 45.Bg5-/+) 40...Bb6-+ 41.Bb6 Rb6 42.Kf4? (better 42.f3!? f5 43.gf6-/+) 42...Re6 43.Rd2 Kf8 (43...Kh7 44.Kf5-+) 44.Ra2 f6 45.g6 Re5 46.Ke3 Rd5 47.Rd2 f5 48.f3 ef3 49.Kf3 Ke7 (49...Ke7 50.Kf4 Ke6-+) 0–1. petrobbo (1995) – Mely (2155), ChessWorld.net, 2019.

9.Bd3 Bd3 10.Qd3 Qa7 (10...e6!?-/+) 11.Bb2= e6 12.Ne2 Bd6 13.0-0 0-0 14.f3 Qa2 15.Qc2 Qa6 16.Na3 Qb6 17.Qd3 Nbd7 18.Nc2 Ra8 19.Nc1 Qc7 20.h3 Nb6 21.Nb3 Ra2 22.Bc1 Nh5 23.f4 Ng3 24.Rd1 Nc4 25.Re1 b6 26.Kh2 Ne4 27.Kg1 c5 28.bc5 bc5 29.g4? (better is 29.dc5 Bc5 30.Nc5 Nc5 31.Qd1-+) 29...Nb2 30.Bb2 (30.Qb5 Nd3!! 31.dc5 (31.Qd3?? c4 32.Qe4 de4-+) 31...Ne1 32.Ne1 Bc5 33.Nc5 Qc5 34.Qb8 Qf8 35.Qb3-+) 30...c4 (30...Rb2?! 31.Nc5 Bc5 32.dc5 Nc5 33.Qd1-+) 31.Qe2 cb3 32.Nb4 (32.Na1 Ba3 33.Qa6 Bb2 34.Qb5-+) 32...Bb4 (better is 32...Nc3 33.Qg2 Bb4-+) 33.cb4 Qc2 34.Qc2 bc2 35.Bc1 Ra1 36.b5 Nd6?? (better is 36...Rb1-+) 37.b6? (37.Kf2 Nb5 38.Ke2 Nd6+=) 37...g6 (better is 37...Rb1!?-+) 38.Kf2 Rb1 39.Ke2 Rb6 40.Kd2 (better is 40.Kd3!?-/+) 40...Rc6-+ 41.Bb2 Ne4 42.Kc1 Nf2 43.Re2?? (better is 43.Kd2-+) 43...Nh3 0–1. blackiwhite (1685) – makinisti (1815), kurnik, 2013.

9.Nf3 e6 10.Nh4 Bd6 (10...Bb1!? 11.Qb1 c5=+) 11.Nf5= ef5 12.Bd3 g6 13.h3 (13.0-0 Qc7 14.h3 0-0=) 13...0-0 14.g4 f4 15.0-0 Nbd7 16.Nd2 fe3 17.fe3 Re8 18.Qf3 Qd8 (18...Qa7 19.Qf2 Qa2 20.Kg2=) 19.e4+= de4 20.Ne4 Ne4 21.Be4 Qe7 22.Bd3 Nb6 23.c4 Bb4=+ 24.Kh1 Ra8 25.Bb2=+ Ra2 26.Bc1 Qe6 27.c5 Nd5 28.Bc4 Rc2 29.Bd5 Qd5 30.Qd5 cd5 31.Bg5 Bc3 32.Bf6 Rd2 33.Re1 Kf8 34.Bg5 Rh2 35.Kh2 Be1 36.Kg2 Ke8 37.Be3 Kd7 38.Kf3 Ke6 39.Bf4 f5 40.g5 Kd7 41.Be5 Kc6 42.Ke2 Ba5 43.Bf4 Bc7-+ 44.Bc1 Kb5 45.Kd3 Bg3 (45...Bg3 46.Be3 f4-+) 0–1. pereira – Prince_W, internet, 2007.

9.Na3 b5 10.h4 (10.Nf3 Qc7=) 10...e5=+ 11.g4 Be6 12.h5 Nd7 (12...Nf6 13.Be2=+) 13.f4 ef4 14.ef4 Nb6 (14...Bd6 15.Qf3 Ngf6 16.g5=+) 15.f5 Bd7 16.Qe2 Kd8 17.Nf3 f6 18.Nd4 Nh6 19.Bg2 Bd6 20.0-0 Be5 21.Ra1 Na4 22.Nac2 Qb6 23.Bc1 Re8 (23...g6 24.d3 Nc3 25.Qe3 Bd4 26.Nd4 Qd4 27.Qd4 Ne2 28.Kf1 Nd4 29.Ra8 Bc8 30.Bh6=) 24.Qf3= g6 (24...Bd4 25.cd4 (worse 25.Nd4 Re4 26.Kh1 Rd4 27.cd4 Qd4-+) 25...Re1 26.Kh2 (26.Ne1 Qd4 27.Kh2 Ng4 28.Kg3 Qa1 29.Qg4 Qc1-/+) 26...Qc7 27.Kh3-+) 25.hg6 (worse 25.fg6 hg6 26.g5 Ng4 27.hg6 Rg8 (27...fg5?! 28.d3=) 28.gf6 Bf6-/+ (28...Rg6?? 29.f7 Bd6 30.f8Q Bf8 31.Qf8 Be8 32.d3+–)) 25...hg6 26.d3 (26.fg6 Ng4 (worse 26...Bg4 27.Qf2+=) 27.Bf1 f5-+) 26...Ng4 (better 26...Ng8!? 27.Be3 Qb8 28.fg6 Nc3=+) 27.Qg4+– Bf5 28.Qh4 (28.Qf3!?+–) 28...Bd3= (28...Nc3 29.Be3 g5 A) 30.Nf5?! Qe3 (30...gh4?? 31.Bb6 Kc8 32.Ra8 Kd7 33.Ra7 Kc8 34.Kf1+–) 31.Nce3 gh4 32.Ra8 Kd7 33.Ra7 Kd8+=; B) 30.Qh5+–) 29.Be3 Qc7 30.Bf4?? (better 30.Ne1 Bc4 31.Nef3+=) 30...Bf4-+ 31.Qf6 Kc8 32.Ne6 (32.Qh4 Kb7-+ (32...Nc3? 33.Ra8 Kb7 34.Re8+–)) 32...Bh2 33.Kh1 Qh7 (33...Qd6 34.Qf7 Rh8-+ (34...Bc2? 35.Qe8 Kb7 36.Nc5 Ka7 37.Qe2+–; 34...Qe6?! 35.Qe6 Re6 36.Nd4-+)) 34.Qg7?? (34.Ng5 Qh8 35.Bh3 Kb8 36.Qh8 Rh8 37.Kh2 Bc2 38.Rc1-+) 34...Qg7 35.Ng7 Rh8 36.Ne6 Bc2 37.Bf3 (37.Ra3 Be5 38.Kg1 Rh4-+) 37...Nc3 (37...Be5!? 38.Kg2 Rh2 39.Kg1-+) 38.Kg2 Be4 (better 38...Be5 39.Re1 Ne4 40.Ng5-+) 39.Rc1 (39.Ra6 Bd6 40.Rc6 Kd7 41.Rc3 Ke6 42.Be4 de4-+) 39...Bf3 40.Kf3 Bd6 41.Kg4 Bb4 42.Nd4 (42.Nf4 Rg8 43.Nd3 Ba5-+) 42...c5 (42...Kb7 43.Ne6 Ne4 44.Rf1-+) 43.Nb3 (43.Nc6 Kd7 44.Nb4 cb4-+) 43...d4 44.Ra1 Kb8 45.Ra6 d3 46.Rg6 c4 47.Nd2 Nd5 48.Rg5 Nf6 49.Kf3 Rh5 (49...Rh5 50.Rb5 Rb5 51.Nc4 d2 52.Nd2 Bd2-+) 0–1. Williams,Barry – Dolejs,Dan, NZL New Zealand South Island Ch Blenheim, 1999.

9.Na3 e5 10.Nf3 Bd6 11.Nh4 (11.c4 Bb4 12.Be5 A) 12...Qa3? 13.Bg7 (13.Bb8 Ne7=+) 13...Qa2 14.Nd4+-; B) 12...f6 13.Bb8 Qb8+=) 11...Bd7 (11...Be6 12.c4 Nf6 13.c5=+) 12.Be2 (12.c4 Nf6 13.c5 Bc7=) 12...Nf6=+ 13.0-0 0-0 (13...Qb6 14.Qc2=+) 14.Qc2= e4 15.f4 (15.f3 b5=) 15...Be6 16.Ra1 Bf4 17.Nb5 (better 17.Nc4! Na6 18.Na5-/+) 17...Be3!-+ 18.de3 (better 18.Kh1 Qb6 19.de3 cb5 20.Qd2-+) 18...Qe3 19.Kh1 cb5 20.Bc1 (20.g3 Qb6-+) 20...Qf2 21.Bg5 h6 22.Bf6 Qf6 23.g3 Rc8 24.Rf1 (24.Ra3-+) 24...Qc3 25.Qc3 Rc3 26.Bb5 (26.Nf5 Nc6-+) 26...Nc6 (26...Rb3 27.Nf5 Rb4 28.Ne7 Kh8 29.Be8-+) 27.Rb1 d4 28.Ng2 Nb4! 29.Nf4 (29.Rb4 Rc1 Decoy) 29...Nc6 (29...Nc2 30.Ne6 fe6 31.Bd7-+) 30.Re1 (30.Ne2 Rc2 31.Bc6 Re2 32.Bb7 d3-+) 30…d3 (30...d3 31.Ne6 fe6 32.Re4 d2-+) 0-1. carlos78 (2165) - shepcanop (2420), Rated Blitz game, lichess.org, 2014.

9.Na3 e5 10.Nf3 Nd7 11.Be2 (11.d4 Bd6=+) 11...Ngf6=+ 12.0-0 (12.d4 e4 13.Nh4 Be6=+) 12...Bd6 (13.Nh4 Be6=+). Bernardo,Angelo - Luehrig,Walter, Orang-Utan Invitational, 2001.

9.Na3 Nf6 10.Be2 (10.Nf3 Nbd7=) 10...e5+= 11.Nf3 Bd6 12.0-0 Nbd7 13.Qb3 (13.d3 0-0+=) 13...Qb6 14.Qa4 (14.Nh4 Be6+=) 14...0-0 15.d3 Qc7 16.h3 b5 17.Qb3 Ra8 18.Ra1 e4 19.Nd4 Bg6 20.Qd1 (20.de4 Ne4 (20...de4?! 21.c4=) 21.Qd1 Bh2 22.Kf1 Qd6-/+) 20...Nb6 21.Bf1 (21.Ra2 Bh2 22.Kh1 Be5-/+) 21...Be5 22.c4 ed3 23.cb5+= Bh2 24.Kh1 Ne4 25.Qf3 Na4 26.Nb1 Qb8 27.Nc6 Nb2 28.Ra8 Qa8 29.Kh2 h6 30.Qf4 Kh7 31.Qc7? Qa2-+ 32.Ne7? Qb1 33.b6 Nd2 34.Qc8 Nf1 ½–½. Sartain,Kevin – Barnsley,Anthony R, corr ENG–chT North, 1995.

9.Qb3?? Bb1-+ 10.d3 Nf6 11.Nf3 e6 12.Be2 Ba2 (12...Qa2 13.Qa2 Ba2 14.Kd2-+) 13.Qc2 d4 (13...Bd6 14.0-0 0-0 15.Ra1-/+) 14.Nd4 e5 15.Nf3 Bd6 16.0-0 0-0 (16...Na6 17.Ra1 Be6 18.Ng5-+) 17.Ra1 Nbd7 18.Bc1 (18.d4 Ra8-+) 18...Bb3 (18...Ra8 19.e4-+) 19.Qb2 (19.Ra7 Bc2 20.Ne1 Bb3-+) 19...Ba4 20.c4 Ra8 (20...b6 21.b5 cb5 22.cb5-+) 21.c5-/+ Bc7 22.Bd1 Bd1 (22...b5!? 23.cb6 Nb6 24.Ba4 Na4 25.Qc2-+) 23.Ra7-/+ Ra7 24.Ne1 Ba4 25.h3 Bb3?? (better is 25...Bb5-+) 26.Qb3+– Ra1 27.Qb2 (27...Ra4 28.Nf3+–) 1–0. Frenzel,Lothar – Rohde,Friedhelm, corr SOK–92–86, 1992.

9.d3 e5 10.Nf3 Bd6 11.Nbd2 (11.e4 Bg4=) 11...Nf6 12.Be2 0-0 13.0-0 (13.c4 Nbd7=+) 13...Nbd7 14.c4 (14.Qc2 c5=) 14...Ra8 (14...Qb6 15.Qa1 e4 16.de4 de4 17.c5 Qb4 18.Ba3+=) 15.e4 (15.Qb3 Qb6 16.c5 Bc5 17.bc5 Qb3 18.Nb3 Ra2+–) 15...Qa2=+ 16.Qc2 (16.Bc1 Bg4 17.c5=+) 16...Bg6 (16...de4!? 17.de4 Ne4 18.Ne4 Be4=) 17.Ra1 (17.c5 Be7=) 17...Qa1= 18.Ba1 Ra1 19.Bf1 de4 20.Ne4 Be4 (20...Ne4 21.de4 Nf6+=) 21.de4+/- c5 (21...b6 22.Qb2 Ra4 23.b5 cb5 24.Qb5+/-) 22.Qd3 Bc7 23.b5 b6 24.Qc3 Ra7 25.Bd3 g6 26.g3 Ra2 27.Kf1 Kg7 28.Bb1 Ra7 29.h3 Ne8 30.Ne1 Nf8 31.f4 f6 32.f5 Nd6 33.Ng2 gf5 34.ef5 Bd8 35.Ne3 Bc7 36.Bc2 Bd8 37.Qd3 Nf7 38.Bd1 Be7 39.Nd5 Bd8 40.Bh5 Ra1 41.Ke2 Ra2 42.Ke1 Ra1 43.Kd2 Ra2 44.Kc1 Ra1 45.Kb2 Ra7 46.Bf7 Kf7 47.Nc3 Rd7 48.Qf3 Rd2 49.Kb3 Rd6 50.Qh5 Kg8 51.Nd5 Rd7 52.Qe8 Kg7 53.h4 h5 54.Kc3 1–0. mrkt – goianoviski, internet, 2006.

9.Nf3?? Qa2-+ 10.Qc1 Qb1 11.Qb1 Bb1 12.c4 e6 13.cd5 cd5 (13...ed5 14.b5-+) 14.Be2 (14.Bb5 Kd8 15.d3-/+) 14...Bb4?? (better 14...Be4-+) 15.Bg7+/- Ne7 16.Bh8 Nf5 17.Bc3 Bc3 18.dc3 Nc6 19.0-0 Kd7?? (better 19...Be4+-) 20.Rb1 Kc7 (20...Nd6 21.Ng5+-) 21.Nd4 (better 21.Bd3!? h5 22.Bf5 ef5+-) 21...Ncd4 22.cd4 Nd6 23.Bh5 (23.Ra1 Kb8+-) 23...h6 (23...b5 24.Be2 Kb6 25.Ra1+-) 24.Rc1 Kd7 25.Rb1 Kc7 26.h3 f6 27.Be2 f5 (27...Kc6 28.Ra1+-) 28.Bh5 Kd7 (28...b6 29.g4+-) 29.Rb6 (29.Ra1 Kc7+-) 29...Kc7 30.Rb2 Kd7 (30...b5 31.g4+-) 31.Rc2 (31.Ra2 Kc7+-) 31...b5 (31...Nb5 32.g4 fg4 33.hg4+-) 32.Rb2 (32.Ra2 f4+-) 32...Kc6 33.Bf3 (33.Ra2 Kb6+-) 33...Kb6 34.Be2 (34.g4 Kc6+-) 34...Ka5 (34...Nc4 35.Ra2 Kb7 36.g4 fg4 37.Bg4+-) 35.Bb5! Nb5 36.Rb5! Kb5 37.g3 (better 37.Kh2 f4 38.h4 Kc6+-) 37...Kc4?? (37...Kc6+-) 38.Kg2 Kd3 39.h4 (39.Kf3 Kd2 40.Kf4 Ke2+-) 39...Ke4?? (better 39...Ke2+/-) 40.Kh3 (better 40.h5 f4 41.g4+-) 40...h5 (better 40...Kf3-+) 41.Kg2+- (41.Kg2 f4 42.gf4+-) 1-0. cucosant2 - cyang8980, Rated Bullet game, lichess.org, 2020.

9.Nf3?? Qa2-+ 10.Qc1 Qb1 (10...Bb1?! 11.d3 d4 12.ed4 Qe6 13.Ne5-+) 11.Qb1 Bb1 12.d3 Nd7 13.Be2 e5 14.Nd2 (14.Kd2 Bd3 15.Bd3 e4-+) 14...Bc2 15.0-0 Ba4 (15...Ngf6 16.Ra1-+) 16.Ra1 b5 17.e4 (17.f4 Bd6-+) 17...Ngf6 18.ed5 Nd5 19.Ra4 (19.Kf1-+) 19…ba4 (20.Nc4 Ke7-+) 0–1. Hasler,Ulrich – Mary,Patrick, corr IECG, 1997.

9.Nf3?? Qa2-+ 10.Qc1 Bb1?! 11.d3 d4 12.ed4 Qe6 13.Ne5-+.

8.Na3 Bd6 9.Nf3 Nf6 10.Nc2 0-0 (better 10...Nbd7!?=+) 11.c4= Qc7? (better 11...Bb4 12.Qb1 c5 13.Nb4 e4 14.Bf6 gf6=) 12.c5+- Be7? (better 12...Nfd7 13.cd6 Qd6+-) 13.Be5 (13.Ne5?! b6 14.cb6 Qb6+=) 13...Qd8 14.Bb8 Bg4 15.Bg3 1-0. carlos78 (2190) - dimanych (2100), Rated Blitz game, lichess.org, 2015.

8.Na3 Nf6+= 9.Nf3 Bd6 10.Be2 (10.c4 e4 11.Nc2 ef3-/+) 10...0-0 11.Qb3 (11.Nc2 Bf5-/+) 11...e4 12.Nd4 White intends b5 12...Nbd7 13.Nac2 Ne5 14.f4? (14.0-0 Bd7-/+) 14...ef3! 15.gf3 (15.Nf3 Nf3 Double attack; 15.Bf3 Nd3 Combination; 15.gf3 Ng6 Combination) 15...Qc7 16.b5? (better is 16.f4!? Ng6 17.c4+=) 16...c5-+ 17.b6 Qd8 18.Nb5 Qb6 19.f4 c4 20.Qb1 Nd3 21.Bd3 cd3 22.Ncd4 Re8 23.Kf2?? (23.f5-+) 23...Ne4 24.Ke1 Bf4! 25.Qd3 (25.ef4 Nc3 Double attack) 25...Qh6 26.Nf3 Qa6 27.Qb1 (27.Bb2 Nd2! 28.Kd2 Re3 29.Qe3 Be3 30.Ke3 Qb5-+) 27...Bg4 28.Nbd4 (28.Rg1 Bf3 29.c4-+) 28...Bf3 29.Nf3 Nd6 (better is 29...Nd2 30.Kd2 Be3 31.Kc2 Qe2 32.Kb3 Re6-+) 30.Kf2 Ne4 31.Ke1 Bc7 (31...Nd2 32.Nd2 Re3 33.Kd1-+) 32.Rg1 Ra8 33.Bb2 g6 34.h4 (34.Rg2-+) 34...Bg3 35.Kd1 Qa4 (better is 35...Bf2!? 36.Rg4-+) 36.Kc1 (36.Ke2 Rc8-+) 36...Nf2 (better is 36...Bf2 37.Rd1 Nc5-+) 37.h5 Ne4 38.hg6 hg6 39.d3?? (better is 39.Qd3 Qd7 40.Qf1-+) 39...Bf2 40.Re1 (40.de4 Be3 41.Nd2 Bg1-+) 40...Be1 41.Ne1 (41.de4 Bf2 42.Nd2 Be3 43.ed5 Bg5-+) 41...Nc5 42.Nf3 (42.Kd2-+) 42...Nb3 43.Kd1 Nd4 (43...Nd4 44.Kc1 Nf3-+) 0–1. Leon Manas,JF (1735) – Ramirez Maillo,JA (1650), Liga Insular de Ajedrez por Equipos Cat, 2013.

8.Qc2 Ne7 9.Nf3 Bf5 10.d3 Nd7 11.Be2 e4 (11...Ng6 12.Nbd2+=) 12.Nd4 (12.de4 Be4 13.Qa2 Bf3 14.Bf3 Ne5=) 12...Bg6 (12...ed3!? 13.Bd3 Bd3 14.Qd3 g6+=) 13.de4= Be4 14.Bd3 Bg2 15.Rg1 Be4 16.Be4 de4 17.Qe4 Qa6 18.Bb2 Nf6 19.Qc2 Ned5 20.Nd2 Bb4?? (better is 20...g6=) 21.cb4+– Nb4 22.Qb3 Nd3 23.Kd1 0-0? (better is 23...c5 24.Nf5 g6+– (24...Nf2?? 25.Kc2+–)) 24.Qc4 (better is 24.Nf5 Kh8 25.Rg7+–) 24...Nb2-+ (24...Nb2 25.Kc1 Nc4-+) 0–1. oldi62 (1615) – maestroyii (1675), kurnik, 2013.

8.c4 f6 9.cd5 cd5 10.b5 Be6 11.Nf3 Nd7 12.Be2 Bd6 13.Nc3 Bc7 14.d4 e4 15.Nd2 Ne7 16.Nb3 Kf7 (16...Bd6 17.0-0=) 17.Na4 Qa7 18.Nc3 Bd6 19.0-0 g6 20.Bb2 h5 21.Qc2 Rc8 22.Ra1 Qb8 23.h3 Bb4 24.Rc1 Nb6 25.Qd1 Nc4 26.Ba1 Qa7 27.Qc2 Qb8 28.Qa2 b6 29.Qa4 Bd6 30.Na2 Qb7 31.Nb4 Ra8 32.Na6 f5 33.Bc3 f4= 34.Nd2 fe3 35.Nc4 ef2 36.Kf2 dc4 37.Bc4 Nd5 38.Qb3 Rf8 39.Kg1 Kg7 40.Be1 e3 41.Bd5 Bd5 42.Qe3 Bf4 43.Qc3? Bc1-+ 44.Qc1 Bg2 45.d5 Qd5?? 46.Qb2+= Kh7 47.Qg2 Qb5 48.Nb4 Qc5 49.Kh1 Qe3 50.Bd2 Qe5 51.Nd3 Qa1 52.Kh2 Qd4 53.Qe2 Rf7 54.Be3 Qd6-/+ 55.Kg2 Re7 56.Nf4?? Qe5?? 57.Qd3? Re6?? 58.Qd7 Kh6?? 59.Qe6 (59.Qe6 Qe6 60.Ne6 Kh7 61.Bb6+–) 1–0. Grube,Joerg (1790) – Bratz,Thomas (1800), Dortmund9, 2003.

8.d3 Bd6 9.Nf3 Nf6 10.Be2 Be6 11.Nbd2 0-0 12.0-0 Nbd7 13.Ng5 Bf5 14.e4 Bg6 15.Qc2 h6 16.Ngf3 Re8 17.ed5 (17.Bb2!?=) 17...cd5-/+ (worse 17...Nd5 18.Ne4 Qc7 19.Nh4=) 18.Bb2 e4 19.Nd4 Ne5 (19...Qc7!?-/+) 20.de4=+ de4 21.Qb3 White plans b5 21...Nd3 22.Nc4 Qc7 23.Nd6 Qd6 24.Ba3 Nf4 (24...Qd5 25.Bc1=+) 25.b5 (25.Bc1 Ne2 26.Ne2 Bh5=) 25...Qe5 (better 25...Ne2 26.Ne2 Qd2-/+) 26.Bc4? (26.Bc1 Ne2 27.Ne2 Bh5=) 26...N6d5?? (26...Ng4 27.g3 e3-+) 27.Bd5=+ Nd5 (27...Qg5 28.g3 Nd5 29.Bc1=+) 28.Bc1= e3 (28...Rd8 29.Be3=) 29.fe3 Ne3 (better 29...Rc8 30.Bd2 Nb6=) 30.Rf3 (better 30.Re1 Qg5 31.Qa2+=) 30...Ng4-+ 31.Bf4?? (31.g3 Qh5 32.Qa2-+) 31...Qe1 32.Rf1 Qe4 (better 32...Bd3 33.Qd1 Bf1 (33...Qf1?! 34.Qf1 Bf1 35.Kf1-+) 34.Qe1 Re1-+) 33.h3 Nf6 (33...Ne3 34.Rf3 Nf5 35.Nf5 Qf5 36.c4=) 34.Qc4 (34.Bh6 gh6 35.Rf6 Qe3 36.Rf2 Rc8=) 34...Nd5 35.Bg3? (35.Bd2 Ne3 36.Be3 Qe3 37.Kh1 Qg3=) 35...Qe3?? (35...Ne3 36.Qe2 Nf1 37.Qe4 Be4 38.Kf1-+) 36.Kh1? (better 36.Bf2 Qg5 37.Nf3=) 36...Bd3-+ (36...Qg3?! 37.Qd5 Qc3 38.Qd7-/+; 36...Nc3 37.Re1 Qg3 38.Re8 Kh7 39.Ne2 Ne2 40.Qe2+/-) 37.Re1?? (37.Qd5 Bf1 38.Nf5 Qc3 39.Kh2-+) 37...Qg5 (better 37...Qe1 38.Be1 Re1 39.Kh2 Bc4-+) 38.Qd3 (better 38.Re8 Kh7 39.Qd3 Qg6 40.Nf5+-) 38...Re1 39.Be1 Nf4 (39...Qg2 40.Kg2 Nf4 41.Kf1 Nd3 42.Nf5+-) 40.Qf1 (40.Qe4 Ng6 41.Qb7 Qe3 42.Qb8 Kh7+-) 40...g6 (40...Nd5 41.Qf5 Qd8 42.Qf3+-) 41.Nf3 (better 41.Bd2!? Nh5 42.Bg5 Ng3 43.Kg1 Nf1+-) 41...Qd5 42.c4 Qe4 43.Bc3 Kh7 (43...Ne2 44.Qa1 Nc3 45.Qc3+-) 44.Qe1 (44.Ne5 f5+-) 44...Qd3 (44...Qc4 45.Bd2+-) 45.Qd2 (45.Ne5 Qe2 46.Qe2 Ne2+-) 45...Qf1 (45...Qc4 46.b6 Nd5+-) 46.Kh2 Ne2 (46...g5 47.c5 Qc4 48.Qd4 Qd4 49.Bd4+-) 47.Qe1 (better 47.Qd7 Nc3 48.Qf7 Kh8 49.Qf8 Kh7 50.Ng5 hg5 51.Qf1 Nb5 52.Qf7 Kh8 53.cb5+-) 47...Qe1 48.Ne1 (48.Be1 Nf4+-) 48...Nf4?? (better 48...Nc3 49.Nd3 f5+/-) 49.Be5 Ne2 (49...Ne6 50.Nd3 Kg8 51.c5+-) 50.Bc7 (better 50.c5 f6 51.Ba1+-) 50...Nc1 (50...Nd4 51.Nf3 Ne6 52.Bd6+-) 51.c5 Nd3 (51...Nb3 52.Bd6 Nd4 53.c6 Nc6 54.bc6 bc6 55.Nf3+-) 52.c6 (better 52.Nd3!? Kg7+-) 52...Ne1 (52...bc6 53.Nd3 cb5+-) 53.cb7 Nd3 54.b8Q Nf4 55.Be5 (55.Be5 f6 56.Bf6 g5 57.Qe8 h5 58.Qf7 Kh6 59.Qg7; 55.Qf8 f6 56.Qf6 Nh5 57.Qf7 Ng7 58.Be5 g5 59.Qg7) 1-0. dannysmet (2050) - Senior41 (2120), Rated Blitz game, lichess.org, 2020.

8.d3 Nf6 9.Nd2 Bd6 10.g3 (10.Ngf3 0-0=+) 10...0-0-/+ 11.Bg2 Bg4 12.Qb3 (12.Ngf3 Nbd7-/+) 12...Qa6 13.Qb1 Nbd7 14.h3 Bh5 15.e4 Ra8 16.Bb2 Qa2 17.Qc1 Nb6 18.g4 Bg6 19.f3? (better 19.g5!? Nfd7 20.Ngf3-/+) 19...Na4-+ 20.Ba1 Nc5! 21.bc5 Qa1 22.Kd1 (22.Nb3 Qc1 23.Nc1 Bc5-+) 22...Bc5 23.Ne2 Be3 (23...Qa4 24.Qc2-+) 24.Qa1 Ra1 25.Nc1 Nd7 (25...Bf4 26.h4 h5 27.g5-+) 26.Kc2 f6 (26...Nc5 27.h4 h5 28.gh5 Bh5 29.ed5 cd5 30.f4-+) 27.Ndb3 Ra8 28.Re1 (28.ed5 cd5 29.f4 Bf7 30.fe5 fe5-+) 28...Bf4 (28...d4 29.Re2-+) 29.Kb2 Bf7 30.Ne2 Be3 31.ed5 Bd5 32.c4 Bf7 33.Nc3 Bf2 (33...Bf4 34.Ne2 Bg5 35.Nc3-+) 34.Rf1-/+ Bb6 35.Ne4 (35.f4 Bc7 36.fe5 Ne5-/+) 35...Bg6 36.Rd1 Kf8 37.h4 (37.d4 ed4 38.Nd4 Be4 39.fe4 Bd4 40.Rd4 Ke7-+) 37...Ke7-+ 38.h5 Bf7 39.Ng3 (39.Bf1 g6 40.hg6 Bg6-+) 39...Be6 40.Re1? (40.Ne4 Be3-+) 40...Nc5 (better 40...Bf2 41.Nf5 Bf5 42.Re2 Bd3 43.Rf2 Bc4 44.Rc2-+) 41.Rd1 Rd8 42.Nc5 Bc5 43.Ne4 (43.Kc2 b5-+) 43...Bd4 44.Kc2 Ra8 45.Nc3 (45.Bf1-+) 45…Ra3 0-1. Varma,S (1895) - Osmak,Iulija (2425), 1st FIDE World Uni RapidB, 2021.

8.Be2 Bd6 +=.

8.Be2 e4 9.Na3 Nf6 10.Nc2 Bd6 11.Nd4 0-0 12.f3 Bd7 13.Qb3 Na6 14.Qb2 c5 15.bc5 Qb2 16.Bb2 Nc5 17.Ba3 Ra8 18.Bc5 Bc5 19.Nh3 (better is 19.Nb3 Bd6 20.g3-/+) 19...Bd4-+ 20.ed4 Ra1 21.Bd1 ef3 22.Nf2 fg2 23.Rg1 Ba4 24.Rg2 (24.d3 Bd1 25.Nd1 Ng4 26.Rg2 Ne3-+) 24…Ne4 0–1. GCP – FortKnox, playchess.de, 2004.

8.Ne2 Bg4 9.f3 Bh5 (9...Be6 10.f4=+) 10.c4= Bb4?? (better is 10...Nd7 11.cd5 Bb4 12.dc6 bc6=) 11.Be5+– Bg6 (11...Ne7 12.Bb8 dc4 13.Nec3+–) 12.Bg7 (12.Bb8?! Bb1 13.Be5 f6+/-) 12...Be7?! (12...Bb1 13.cd5 Qe3 14.dc6 Nc6 15.Bh8 Nge7+–) 13.Bh8 Bb1 14.cd5 Bd3 15.dc6 Nc6 16.Kf2 f6 17.Nf4 Bf1 18.Rf1 Kf7 19.Qc2 Qb5 20.Qh7 (20...Ke8 21.Qg8 Kd7 22.Qe6 Kd8 23.Ra1+–) 1–0. orane – boxfish, caissa.com, 2006.

8.Nf3 Nd7 9.Be2 Ngf6 10.0-0 e4 11.Nd4 Ne5 12.f3 ef3 13.Nf3 Bd6 14.Ne5 Be5 15.d4 Bb8 16.Na3 (16.Qe1!?=+) 16...Qc7-+ 17.g3 h5 18.Qe1 (18.Rf6!? gf6 19.Bh5-+) 18...h4-+ 19.Rf4 (19.Bd3-+) 19...Qe7 20.Rh4 (20.Nc2 Bf4 21.gf4-+) 20...Rh4 21.gh4 (21.Bf3 Rh8 22.c4-+) 21...Qe3 22.Qf2 Bh2! 23.Kf1 (23.Kh2 Qf2) 23...Bh3 24.Ke1 Qc1 (better is 24...Bg3 25.Qg3 Qg3 26.Kd2 Ne4 27.Kc2-+) 25.Bd1 Bg4 (26.Kf1 Ne4 27.Qe1 Bg3 28.Nb5 Qf4 29.Kg2 Be1 30.Bc2 Qg3 31.Kf1 Qf2#; 25...Qa3?! 26.Qh2 Qa1 27.Qh3-+) 0–1. Bortkun,Wojciech (1795) – Kubicki,Tadeusz (2000), Poland, 2002.

8.g3 Bd6 9.Bg2 Bf5 10.Ne2 (10.d4 e4-/+) 10...Ne7 (10...Qa7 11.Bb2 Qa2 12.e4 Be4 13.Be4 de4 14.Qc2-+) 11.0-0? (11.d4 e4-/+) 11...0-0 (better is 11...Qa6!? 12.e4 Be4 13.Be4 de4-+) 12.d4-/+ e4 13.Nd2 Bg6 (13...Nd7 14.Nf4-/+) 14.Nb3 f5 15.Qc2 Nd7 16.Nc5 Bc5 (16...Nc5? 17.bc5 Bc5 18.Rb1+–) 17.bc5 Qc7 18.Nf4 Ra8 19.Rb1 Bf7 20.Bh3 (20.Bf1 b6=) 20...g6 21.Qc1 Nc8 22.Bf1 g5 23.Ng2 Ne7 24.Be2 Ng6 25.c4 Ra2 26.Rb2 (26.Bb2 b6=) 26...Rb2 (26...Qa5!? 27.Ra2 Qa2+=) 27.Bb2+= Kg7 28.cd5 cd5 29.Bc3 h6 30.Qa1 f4 31.Bb5 Nf6 32.Qa7 Qc8 33.Bd2 (33.ef4 gf4 34.Bd2 f3+=) 33...f3 (better is 33...Qh3!? 34.ef4 Ng4 35.fg5 Qh2 36.Kf1 Qh1 37.Ke2 Qg2 38.gh6 Kh7 (worse is 38...Nh6 39.Bh6 Kh6 40.Qa3-+) 39.Qb7 Qf2 40.Kd1 Nh6-+) 34.Ne1+= Qh3 35.Bf1 (35.Qb7 Ng4 36.Nf3 ef3 37.Qf7 Kf7 38.Be8 Ke8 39.e4 Qg2) 35...Qc8 36.Qb6 h5 37.Ba5 h4 38.Nc2 hg3 39.hg3?? (39.fg3 g4 40.Qb2+=) 39...Nh4 (better is 39...Qh8 40.Qd8 Qh5-+) 40.Qc7 (40.Qd6!? Nf5 41.Qe5+/-) 40...Qc7+= 41.Bc7 ½–½. Hal1958 – DanielS, playchess.de, 2004.

8.h3 Bf5 9.Nf3 (9.d4!?=+) 9...Qa7-/+ 10.Bb2 (better 10.Nh4!? Be4 11.d3-/+) 10...Qa2-+ 11.Ne5 Qb2 12.Bd3 Bd3 (12...Be6 13.Bc2-+) 13.Nd3 Qa2 14.0-0 (14.Nf4 Bd6-+) 14...Nf6 15.Nc5 (15.Qf3 Nbd7-+) 15...Bc5 16.bc5 0-0 (16...Nbd7 17.d4-+) 17.d3 (17.d4 Nbd7-+) 17...Nbd7 18.Nd2 (18.d4 b6-+) 18...Nc5 19.d4 (19.Nf3 Ra8-+) 19...Nce4 20.Ne4 Ne4 21.Qa1 (21.Qb1 Qb1 22.Rb1-+) 21...Nc3 (better 21...Ra8 22.Qb1 b5-+ (worse 22...Nc3 23.Qb7 Qa6 24.Qa6 Ra6 25.Kh2-+)) 22.Qc3=+ Ra8 23.Rc1 (23.Qb4 Rb8=+) 23...Ra4 24.g3 (24.Qe1 Qa3-/+) 24...g6 (24...Qa3 25.Qa3 Ra3 26.Rb1-/+) 25.Kg2 (25.Qe1 Ra7-/+) 25...Rc4 26.Qe1 (26.Qa1 Rc2 27.Qa2 Ra2-/+) 26...b5 (26...Rc1 27.Qc1 f5 28.Qc5-/+) 27.Rc4 (27.Ra1 Qc2-/+) 27...dc4 28.Qb4 Qa8 29.Qc5 Qe8 30.h4 (30.Kf3 f5-/+) 30...Qe6 (better 30...Qe4 31.Kf1 Kg7-/+) 31.Kh2? (31.Kf1 Kg7-/+) 31...Qd5 (better 31...Qf5!? 32.Qc6 Qf2 33.Kh3 Qe3 34.d5-+) 32.Qb4 h5 33.Kg1 Kg7 (33...Qf5 34.Kg2-+) 34.Kf1 Qe4 35.Qc3 Qb1 (35...Kf6-+) 36.Ke2 b4 Threatening mate: bxc3 37.Qc4 b3 38.d5 (38.Qc6?? b2-+) 38...b2 39.dc6 Qa1 40.Qc3 Kh7 41.c7 (41.Qc4 b1Q 42.Qf7 Qg7 43.Qg7 Kg7-+) 41...Qa6 42.Kf3 Qb7 43.Ke2 Qb5 44.Kd2 (44.Qd3 b1Q 45.Qb5 Qb5 46.Kd2 Qd7 47.Ke2 Qc7 48.Kd3-+) 44...b1Q 45.e4 Qa2 46.Ke3 (46.Qc2 Qd7 47.Ke3 Qc2 48.Kf3 Qcd1 49.Kg2 Qh3 50.Kh3 Qh1) 46...Qbe2 (46...Qae2 47.Kf4 f6 48.Qc5 Qc5 49.c8Q Qcf2) 47.Kd4 Qa4 48.Kc5 Qeb5 49.Kd6 Qd7 50.Ke5 Qe7 51.Kd5 (51.Kf4 Qae4) 51…Qae4 0–1. Moderlack,Stefan – Hemmerling,Roland, DESC, 2000.

9.Na3 Nf6 10.Nc2 0-0 11.d4 e4 12.c4 dc4 13.Bc4 Qc7 14.g3?? (better 14.Bb3-/+) 14...b5-+ 15.Qb3 (15.Qa5 bc4 16.Qc7 Bc7-+) 15...bc4 16.Qc4 Ba6 17.Qb3 Nbd7 18.Ne2 Be2 (18...Ra8 19.Bc3-+) 19.Ke2 Qb6 20.Bc3 (20.Kf1 Qb5 21.Kg2 Nd5-+) 20...Qb5 21.Ke1 Nd5 22.Kd2 (22.Qb2-+) 22…Qd3 (22...Qd3 23.Kc1 Nc3-+) 0–1. petrobbo (1950) – ZukerTorre (2445), ChessWorld.net, 2011.

9.c4 Nf6 10.c5 Bc5 11.bc5 Qb1 12.Qd1 Qd1 13.Kd1 Nbd7 14.d4 ed4 15.ed4 b6 16.cb6 Nb6 17.Nf3 Bg4 18.Be2 Ne4 19.Ke1 Ke7 20.Ne5 Ra8 0–1. Esteban,Rodriguez Fernandez – Rachow,Thomas (1625), ESC (year?).

9.cd5 cd5 10.Qc2 Qc6 11.Qc6 (11.Nc3 d4 12.ed4 ed4 13.Qe4 Qe4 14.Ne4 Ngf6 15.Nf6 Nf6=) 11...bc6=+ 12.b5 c5 13.g3 (13.d3 Ngf6=+) 13...Ngf6 14.Ne2 Bd6 15.Bg2 0-0 Black intends e4 (15...Bb7 16.0-0=+) 16.f4 (16.0-0 Bb7=+) 16...e4 17.0-0 Bb7 18.Bf6 (18.Bb2 Ra8=+) 18...Nf6-/+ (18...gf6?! 19.g4=) 19.Rc1 Ra8 20.Nbc3 Bc7 (20...g6 21.Bh3-/+) 21.b6 (21.g4 g6=+) 21...Bb6 (21...Bd8!?-/+) 22.Rb1=+ Ra6 23.Bh3 (23.Bf1 Ba8=+) 23...Bc6 24.Bc8 Ra8 25.Rb6 Rc8 26.h3 h5 27.h4 (27.Ra6 Bd7-+) 27...Kf8-+ 28.Kf1 (28.Ra6 Ke7-+) 28...Ke7 29.Ra6 Bd7 (29...Kd7 30.Ra7 Rc7 31.Ra5-+) 30.Ra5 Kd6 31.Ke1 (31.Ra6 Rc6 32.Nb5 Ke7-+) 31...Rb8 32.Ra6 Bc6 33.Ra7 Nd7 34.Ra2 Rb4 35.Ra6 f5 36.Ra7 d4 37.Nd1 Ba4 38.ed4 (38.Ra6 Kc7-+) 38...cd4 39.Ra6 Bc6 40.Ra7 Nc5 41.Ra1 (41.Nd4 Rd4 42.Rg7 Nd3 43.Ke2 Ra4 44.Rg6 Kc5-+) 41...Nd3 42.Kf1 Bb5 43.Kg2 (43.Nf2 Nf2 44.Kf2 e3 45.de3 Rb2 46.ed4 Re2 (worse 46...Be2 47.Ra7-+) 47.Kg1 Bc6-+) 43...Ne1 44.Kf2 Nf3 45.Ra2 Kd5 0–1. Scheepers – Elzerman, email CTON, 1989.

9.cd5!? cd5 10.Nf3=.

9.Nf3 e4=+ 10.Ne5 dc4 (10...Ngf6 11.cd5 Nd5 12.b5=) 11.Bc4= Ne5 12.Be5 Qb4 13.Qc2 Nf6 14.Bf6 (14.Qa2 Qe7 15.Qa8 Qd7=) 14...gf6=+ 15.Qe4 Be6 16.Bd3 Qe4 17.Be4 f5 18.Bf3 Bb4 (18...Kd7 19.Nc3=+) 19.Kd1= Bb3 20.Kc1 Ke7 (20...Kd7 21.Kb2 Bc4 22.Kc2=) 21.Kb2 Bc4 22.Rc1 (22.Nc3 Ra8=) 22...Bd3 23.Nc3 Ra8 24.Re1 Ke6 (24...Bd6 25.Be2 Be2 26.Ne2=) 25.h3 (25.Kb3 Bd6=) 25...Bc3 (25...Ra6 26.Be2 Be2 27.Re2=) 26.Kc3= Be4 27.Rc1 (27.Rf1 b5=) 27...Kd6 (27...Bf3 28.gf3 f4 29.Rg1=) 28.Kb3 Rg8 29.Ra1 Bf3 30.gf3 Rg2 31.Ra7 Rf2 (31...Kc7 32.Ra5 Rf2 33.Rf5 Rd2 34.Rf7 Rd7 35.Rd7 Kd7 36.e4=) 32.Rb7 Rd2 33.Rf7 Ke6 34.Rh7 Rd3 35.Kc4 Re3 36.Kd4 Rf3 37.Rh6 Kd7 38.h4 Rf1 39.Rh7 Kd6 40.Rh6 Kc7 41.Rf6 Kb6 42.h5 f4 43.h6 (43.Ke4 Rh1=) 43...Rh1 44.Rf4 Rh6 45.Kc3 Rh5 46.Rb4 Ka5 47.Re4 Rc5 48.Kb3 Kb5 (48...Rb5 49.Kc3=) 49.Rb4 Ka5 50.Re4 Rb5 51.Kc2 Rb4 52.Re5 Kb6 53.Kc3 c5 (53...Rf4 54.Re2=) 54.Re8 Kc7 55.Re5 Kd6 56.Re8 Rg4 57.Rc8 Kd5 58.Rd8 Kc6 59.Rc8 Kd6 60.Re8 Kc7 ½–½. Boehnke,Hartmut (2135) – Kries,Yvon, WC15/WS45 ICCF, 2006.

9.ed4 Bd6 A) 10.Bd3 A1) 10...Nf6 11.Nf3 (11.Ne2 Qc7 12.h3 0-0 13.0-0 Re8 14.Re1 b6 15.Bb2 Ba6 16.Ba6) 11...0-0 12.0-0 Bg4 13.h3 Bh5 14.Re1 Nbd7 15.Nbd2 Ra8 16.Qb1= –0.19; A2) 10...Be6 11.Nf3 (11.Qc2 Nf6 12.Nf3 Qc7 13.0-0 0-0 14.Re1 Re8 15.Bb2 Nbd7 16.Bc1= 0.00) 11...Ne7 12.0-0 0-0 13.Qc2 h6 14.Re1 Nd7 15.Bb2 Re8 16.Nbd2= 0.00; A3) 10...Nd7 11.Nd2 (11.Nf3 Ne7 12.0-0 0-0 13.Re1 Nf6 14.Ne5 Ng6 15.Qf3 Ne5 16.de5=+ –0.56) 11...Ngf6 12.Ngf3 0-0 13.0-0 Re8 14.Re1 Re1 15.Qe1 Qc7 16.Bb2= –0.09; A4) 10...Ne7 11.Nf3 (11.Qc2 Ng6 12.Ne2 Qc7 13.h3 0-0 14.0-0 Re8 15.Re1 b6 16.Bb2=+ –0.44; 11.Qh5 Nd7 12.Nf3 Nf6 13.Qg5 Ng6 14.Qe3 Kd8 15.0-0 Re8 16.Qd2=+ –0.56) 11...0-0 12.0-0 Bf5 13.Re1 Bd3 14.Qd3 Qa6 15.Qa6 Na6 16.Nbd2= –0.22; B) 10.Be2 B1) 10...Nf6 11.Nf3 (11.Nd2 0-0 12.Ngf3 Re8 13.0-0 Nh5 14.Ng5 Nf4 15.Bh5 g6 16.Re1-/+ –1.00; 11.Bb2 0-0 12.Nf3 Bf5 13.0-0 Nbd7 14.Re1 Re8 15.Nbd2 Qc7 16.Bc1=+ –0.44; 11.h3 0-0 12.Nf3 Re8 13.0-0 Nh5 14.Re1 Nf4 15.Bd3 Re1 16.Qe1=+ –0.47) 11...0-0 12.0-0 Bf5 13.Re1 Nbd7 14.Nbd2 Qc7 15.b5 cb5 16.Qb3=+ –0.37; B2) 10...Ne7 11.Nf3 (11.Nd2 0-0 12.Ngf3 Ng6 13.0-0 Re8 14.Re1 Bf5 15.Bd3 Re1 16.Ne1=+ –0.31; 11.Bb2 0-0 12.Nf3 Re8 13.0-0 Ng6 14.Re1 Nf4 15.Bf1 Re1 16.Qe1=+ –0.34) 11...0-0 12.0-0 Re8 13.Re1 Bf5 14.Nh4 Be6 15.Bd3 Qc7 16.h3= 0.00; B3) 10...Nh6 11.Bb2 (11.Nd2 0-0 12.Ngf3 Bf5 13.0-0 Re8 14.Re1 Nd7 15.Nh4 Qc7 16.Nf5= –0.25; 11.Nf3 0-0 12.0-0 Re8 13.Re1 Bf5 14.Bb2 Ng4 15.h3 Nf6 16.Nh4= –0.25) 11...0-0 12.Bc1 Nf5 13.Nf3 Re8 14.0-0 Ne7 15.Re1 Bf5 16.Bd3= –0.06; B4) 10...Bf5 11.Nf3 (11.Bb2 Na6 12.Ba3 Nc7 13.Nf3 Nf6 14.0-0 0-0 15.Re1 Ra8 16.Bb2=+ –0.62; 11.Nd2 Nf6 12.Ngf3 0-0 13.0-0 Re8 14.Re1 Qc7 15.Bb2 Nbd7 16.Bc1=+ –0.44) 11...Nf6 12.0-0 0-0 13.Re1 Nbd7 14.Nh4 Be6 15.Nd2 Qc7 16.Nhf3=+ –0.41; C) 10.Nf3 C1) 10...Bf5 11.Nbd2 (11.Nh4 Be6 12.Bd3 Nf6 13.0-0 0-0 14.Re1 Qc7 15.h3 Re8 16.Nf5= –0.25; 11.Bd3 Bd3 12.Qd3 Ne7 13.0-0 Qa6 14.Qa6 Na6 15.Re1 Kd7 16.Ng5=+ –0.31) 11...Nd7 12.Nh4 Be6 13.Bd3 Ne7 14.0-0 0-0 15.Re1 Nf6 16.Ndf3= –0.12; C2) 10...Ne7 11.Be2 (11.Bd3 Bf5 12.Bf5 Nf5 13.0-0 Ne7 14.Re1 0-0 15.Ne5 Re8 16.Qf3= –0.19; 11.Bb2 Bf5 12.Bd3 Bd3 13.Qd3 0-0 14.0-0 Nd7 15.Re1 Nf6 16.Bc1= –0.09) 11...0-0 12.0-0 Re8 13.Re1 Bf5 14.Nh4 Be6 15.Bd3 Qc7 16.h3= 0.00; C3) 10...Bg4 11.Bd3 (11.Be2 Nf6 12.0-0 0-0 13.Re1 Nbd7 14.Nbd2 Qc7 15.Qb1 b6 16.Bd3=+ –0.28; 11.Nbd2 Nf6 12.Bd3 0-0 13.0-0 Bf4 14.Qb1 Re8 15.Re1 Re1 16.Qe1= –0.22; 11.h3 Bf5 12.Bd3 Bd3 13.Qd3 Ne7 14.0-0 Nd7 15.Re1 0-0 16.Bb2= –0.19) 11...Nf6 12.h3 Bh5 13.0-0 0-0 14.Re1 Nbd7 15.Nbd2 Ra8 16.Qb1= –0.19; C4) 10...Nf6 11.Bd3 (11.Be2 0-0 12.0-0 Bf5 13.Re1 Nbd7 14.Nbd2 Qc7 15.b5 cb5 16.Qb3=+ –0.37) 11...0-0 12.0-0 Bg4 13.h3 Bh5 14.Re1 Nbd7 15.Nbd2 Ra8 16.Qb1=.

9.ed4 Nf6 10.Bd3 Bd6 (10...Be7 11.Ne2 (11.Nf3 0-0 12.0-0 Re8 13.Re1 Bg4 14.Nbd2 Nbd7 15.Qc2 Qc7 16.h3= –0.03; 11.Nd2 0-0 12.Ngf3 Re8 13.0-0 Bg4 14.Re1 Qc7 15.h3 Bh5 16.Qc2= –0.03; 11.Bb2 0-0 12.Nf3 Re8 13.0-0 Nbd7 14.Re1 c5 15.Qc2 c4 16.Bf5= 0.00; 11.Qc2 0-0 12.Nf3 Re8 13.0-0 Bd6 14.Nbd2 Bg4 15.Bb2 Bf4 16.Ra1= –0.09) 11...0-0 12.0-0 Re8 13.Re1 Bg4 14.h3 Bh5 15.Qc2 Bd6 16.Bb2= 0.00; 10...Bg4 11.Ne2 Bd6 12.h3 Bh5 13.0-0 0-0 14.Re1 Re8 15.Nd2 Nbd7 16.Qc2=+ –0.37; 10...Be6 11.Nf3 Be7 12.Qc2 Nh5 13.0-0 Nf4 14.Bf5 h6 15.Re1 0-0 16.Bb2= 0.22) 11.Nf3 (11.Ne2 0-0 12.0-0 Qc7 13.h3 Re8 14.Re1 b6 15.Nd2 Ba6 16.Nf3=+ –0.56) 11...0-0 12.0-0 Re8 (12...Bg4 13.h3 Bh5 14.Nbd2=+ (14.Re1 Nbd7 15.Nbd2 Ra8 16.Qb1= –0.19) 14...Nbd7 15.Re1 Bf4 16.Qa4= –0.06) 13.Nbd2= (13.Re1 Re1 14.Qe1 Qc7 15.Nbd2 b6 16.Bb2= –0.22) 13...Qc7 (13...Nbd7 14.Re1= Re1 15.Qe1 Qc7 16.Bb2= –0.09; 13...Be6 14.Re1 Qc7 15.Bb2 Nbd7 16.Bc1= 0.00) 14.Re1 Re1 (14...Be6 15.Bb2 Nbd7 16.Bc1= 0.00) 15.Qe1 b6 16.Ne5 (16.Qb1 b5=; 16.Bb2= –0.22) 16...c5 (16...Ba6 17.Ba6 Na6 18.Qe2=) 17.bc5 bc5 18.c4 cd4 19.Bd4 Nbd7 20.Nd7 Nd7 (20...Bd7 21.cd5 Bh2 22.Kh1=) 21.cd5 (21.Qe8 Nf8 22.cd5 Bh2 23.Kf1 Bb7+=) 21...Bh2 22.Kh1 (22.Kf1 Nf6+=) 22...Be5= 23.Be5 Qe5 24.Qe5 (24.Qe4 Qe4 25.Ne4 Kf8=) 24...Ne5 25.Bb5 (25.Bc2 Kf8=) 25...f6 (25...Kf8 26.d6=) 26.f4 Nf7 27.Nc4 (27.Kg1 Kf8=) 27...Kf8 28.g3 (28.Ne3 Ke7=) 28...Ke7=+ 29.Ne3 Kd6 30.Bd3 (30.Kg2 Kc5 31.Bc6 Nd6=+) 30...g6=+ 31.Kg1 Kc5 32.Be2 (32.f5 gf5 33.Nf5 Bf5 34.Bf5 Ng5=+) 32...Nd6 33.g4 (33.Bf3 f5-/+) 33...f5 (33...Kd4 34.Kf2-/+) 34.gf5 (34.Kf2 fg4 35.Bg4 Bg4 36.Ng4 Ne8=+) 34...Nf5-/+ 35.Nf5 Bf5 (35...gf5 36.Kf2-/+) 36.Bf3=+ Bd3 (36...h5 37.Kf1=+) 37.Kh2= Bc4 38.Kg3 Bd5 39.Bg4? (better 39.Bd5!? Kd5 40.Kg4=) 39...Be4 40.Kh4 h6 41.Bd1 Kd4 42.Kg3 Bf5 43.Kf3 h5 44.Kg3 Ke3 45.Bb3 h4! 46.Kh4 Kf4 47.Bd1 Be6 48.Be2 g5 ½–½. Turcot – Rosner,Dirk, email SOK–E008A, 1999.

9.ed4 Nf6 10.Be2 A) 10...Bd6 11.Nf3 (11.Nd2 0-0 12.Ngf3 Re8 13.0-0 Nh5 14.Ng5 Nf4 15.Bh5 g6 16.Re1-/+ –1.00; 11.Bb2 0-0 12.Nf3 Bf5 13.0-0 Nbd7 14.Re1 Re8 15.Nbd2 Qc7 16.Bc1=+ –0.44) 11...0-0 12.0-0 Re8 13.Re1 Bf5 14.Nh4 Be4 15.Nd2 Qc7 16.g3=+ –0.34; B) 10...Nbd7 11.Nd2 (11.Nf3 Bd6 12.0-0 0-0 13.Re1 Ne4 14.Nbd2 Ndf6 15.Ne4 de4 16.Ne5= –0.19; 11.Bd3 Bd6 12.Nf3 0-0 13.0-0 Ne4 14.Re1 Ndf6 15.Nbd2 Bf5 16.Qc2=+ –0.31; 11.Bb2 Bd6 12.Nf3 0-0 13.0-0 Ne4 14.Nbd2 Ndf6 15.Ne4 Ne4 16.Re1=+ –0.31; 11.Qc2 Bd6 12.Nf3 0-0 13.0-0 Re8 14.Re1 Qc7 15.Nbd2 Nh5 16.g3=+ –0.44) 11...Bd6 12.Ngf3 0-0 13.0-0 Re8 14.Re1 Qc7 15.Bd3 Re1 16.Qe1= –0.12; C) 10...Bf5 11.Nd2 (11.Nf3 Bd6 12.0-0 0-0 13.Re1 Nbd7 14.Bb2 Re8 15.Nbd2 Qc7 16.Bc1=+ –0.44; 11.Bb2 Bd6 12.Nf3 0-0 13.0-0 Nbd7 14.Re1 Re8 15.Nbd2 Qc7 16.Bc1=+ –0.44; 11.Qc1 Bd6 12.Nf3 0-0 13.0-0 Re8 14.Qb2 Nh5 15.g3 Bg4 16.Kg2-/+ –0.72) 11...Bd6 12.Ngf3 0-0 13.0-0 Nbd7 14.Nh4 Be6 15.Re1 Qc7 16.Nf1=+ –0.37.

9.ed4 Nf6 10.Nf3 A) 10...Bf5 11.Nh4 (11.Qe2 Ne4 12.Nbd2 Qa7 13.Nb3 Be7 14.Nfd2 Nd2 15.Qd2 0-0 16.Be2=+ –0.41; 11.Bd3 Bd3 12.Qd3 Qa6 13.Qe2 Qe2 14.Ke2 Bd6 15.Re1 Kd8 16.Ne5=+ –0.31; 11.Nbd2 Be7 12.Ne5 0-0 13.Qf3 Qa7 14.Bb2 Qa2 15.Qf5 Qb2 16.Qd3-/+ –0.72) 11...Be4 12.Nd2 Qc7 13.Qe2 Qe7 14.Kd1 h6 15.Bb2 Bh7 16.Nhf3= –0.09; B) 10...Be7 11.Bd3 0-0 12.0-0 Re8 13.Re1 Bg4 14.Nbd2 Na6 15.Qc2 Nc7 16.Bb2= 0.16; C) 10...Bd6 11.Bd3 (11.Be2 0-0 12.0-0 Re8 13.Re1 Bf5 14.Bb2 Nbd7 15.Nbd2 Qc7 16.Bc1=+ –0.47) 11...0-0 12.0-0 Bg4 13.Re1 Nbd7 14.Nbd2 Ra8 15.Qc2 Ra3 16.h3= –0.06; D) 10...Bg4 11.Bd3 (11.h3 Bf5 12.Qe2 Ne4 13.Nbd2 Qa7 14.Qd1 Nd2 15.Nd2 Bd6 16.Be2=+ –0.34) 11...Bd6 12.h3 Bh5 13.0-0 0-0 14.Re1 Nbd7 15.Nbd2 Ra8 16.Qb1= –0.19.

9.Qd4 Qd4=+ 10.ed4 Bf5 11.Nd2 Bd6 12.Ngf3 Nf6 13.Be2 0-0 (13...Nbd7 14.Nh4 Bc2 15.Nf1=+) 14.0-0 (14.Ne5 Nbd7 15.f4 Nb6=+) 14...Nbd7 15.Bb2 Re8 16.Re1 Nb6 (16...b5 17.Nb3=+) 17.Bd1 (17.h3 Na4 18.Ba1 Kf8=+) 17...Re1 18.Ne1 Bf4 19.Bc1 Bd2 20.Bd2 Ne4 21.Nf3 f6 (21...Nc4 22.Be1 Na3=+) 22.Nh4 (22.Be1 Kf7=+) 22...Bd7 (better 22...Nd2 23.Nf5 Ne4-/+) 23.f3?? (23.Be1 Nc4=+) 23...Nd6 (better 23...Nd2 24.Bc2 g5-+) 24.g3 (24.g4 Nbc4 25.Be1 b6=+) 24...Be6 (24...Nbc4 25.Be1=+) 25.Kf2=+. Ringsborg,Allan (2370) – Davila,Oscar Alfredo (2105), corr EM/M/A081 ICCF E–mail, 1999.

9.Bb2 e4 10.Nd2 Bd6 11.Ne2 Ne7 12.Ng3 f5 (12...Nf6!?=+) 13.Qh5= g6 14.Qh6 Nf6 15.Be2 f4 (15...Qc7 16.0-0=) 16.ef4 Qc7 17.Qg7 (17.b5 Bf4 18.Qg7 Bd2 19.Kd1 Rf8 20.Kd2 Qf4 21.Kc2 Rg8-+) 17...Rf8 18.f5 (18.b5=) 18...Bf4 (18...e3 19.Ndf1 (19.fe3?? Bg3 20.Kd1 Nf5 21.Qc7 Ne3 22.Kc1 Bc7-+) 19...ef2 20.Kf2-/+) 19.Nb3 (19.fg6!? Ng6 20.Qc7 Bc7 21.Nh5+=) 19...e3 (19...Nf5 20.Qc7 Bc7=+) 20.Bc1 (better is 20.Rf1=+) 20...ef2-+ 21.Kf1 Bg3 (21...Nf5 22.Nf5 Bf5 23.Qc7 Bc7 24.Nc5-/+) 22.Bh6 (22.hg3 Qg3 23.Bh6 Nd7-/+) 22...Rg8 (22...Nd7 23.Qh7 Rf7 24.Qh8 Nf8 25.hg3 Nf5 26.Bf4-/+) 23.Qf6-+ Nf5 24.Qg5 Bh4 25.Qd2 g5 (25...Nh6 26.Qh6 Qe7 27.Qf4-+) 26.Bh5 (26.g3 Qd6 27.gh4 Qh6 (27...Nh6 28.hg5 Rf8 29.Qe3 Qe6 30.Qe6 Be6 31.Bh5 Ke7 32.Nd2 Bh3 33.Ke2-/+) 28.Kf2 Qh4 29.Kg1 Kd8-+) 26...Kd8 (better is 26...Ke7 27.g3 Qd6 28.Qe2 Kd8-+) 27.Bf3?? (better is 27.g3-+) 27...Qf7 28.Nc1 (28.g3 Nh6 29.Qf2 Rf8-+) 28...Nh6 29.Nd3 Ng4 30.Bg4 Bg4 31.Ne5 Qf5 (32.Qd3 Qf4-+) 0–1. Dopper,Johan – van der Zijden,Ton, corr NED BV/93/28, 1993.

9.Bb2 Ngf6 10.de5 Ne5 11.Ne2-/+.

9.Nd2 Bd6 10.de5 (10.Qg4 ed4 11.ed4 Kf8=+) 10...Ne5 11.Ngf3 (11.c4 dc4 (< 11...Qb4 12.f4+=) 12.Ngf3 Nf3 13.Qf3 Bb4 14.Bc4 f6 15.Qh5 g6-/+) 11...Nf6 12.Be2 (12.Ne5 Be5 13.Be2 Qc7=+) 12...0-0 (12...Nf3 13.Nf3 Qc7 14.b5=+) 13.Ne5 Be5 14.Nf3 Bd6 15.0-0 Be6 16.Nd4 (16.Qc2 Ra8=+) 16...Qc7 (16...Qd8 17.h3=+) 17.g3 (17.h3 b5-/+) 17...Bh3-/+ 18.Re1 Ra8 19.Qc2 Qe7 (19...b5 20.Bd3=+) 20.Nb3 (20.Bb2 Ne4-/+) 20...Ne4 (20...Qe6-/+) 21.Bf3 (21.Bd3 b6-/+) 21...Ng5 (21...Bf5 22.Qe2-+) 22.Bh1 Bg4 23.Nd2 (23.Nd4 Be5 24.Qd2 Qf6-+) 23...Qf6 24.Bb2?? (better is 24.Bg2-+) 24…Nh3 (25.Kf1 Qf2) 0–1. babo – hardgamer, internet, 2006.

9.Nd2 Ngf6 10.Be2 =+.

9.Ne2 Bd6 10.Ng3=+.

9.Ne2 Ngf6 10.de5 Ne5 11.Nd4 Bd6 12.Qc2 (12.Be2 0-0=+) 12...0-0-/+ 13.g3 (13.Nd2 Bg4-/+) 13...Bg4 14.Bg2? (better 14.Nd2!?-/+) ½–½. Suess,Stefan – Lenz, corr, 1985.

9.Ne2 Ngf6 10.Ng3 h5=+.

9.de5 Ne5 10.Be2 (10.Nd2 Bd6+=) 10...Nf6 (10...Bf5 11.Nd2+=) 11.Nf3 (11.Nd2 Bd6+=) 11...Nf3 12.Bf3 Be7 13.0-0 Bf5 (13...0-0 14.Nd2+=) 14.Qd4 (14.Nd2 0-0+=) 14...Qd4-/+ 15.ed4 (15.cd4? Bb4 16.Bc3 Bd6-+) 15...0-0 (15...Kd7 16.Bb2-/+) 16.Bb2+= Ra8 17.Na3 Bd6 18.Ra1 (18.Re1 Kf8-/+) 18…Re8 (18...Re8 19.h3 Ne4+=). Pawlowski,Andrzej – Wiesiolek,Krzysztof (2020), corr Poland–chT13 DMP, 2000.

9.Nf3 e4 10.Nfd2 Ngf6 =+.

9.b5 =+.

9.Nd2 Bd6 10.g3 (10.Ne2 Nf6=+) 10...Nf6-/+ 11.Bg2 (11.f3 ef3 12.Bd3 Bg4 13.Ngf3 0-0=+) 11...h5 (11...Bg4 12.f3 ef3 13.Bf3-/+) 12.Qa4 Ng4 13.Bb2 Qc7 (13...h4 14.Ne2-/+) 14.Ba3 (14.c4 Qb6 15.c5 Qc7 16.cd6 Qd6+–) 14...h4 15.Ne2 hg3 16.hg3 Rh1 17.Bh1 Ne3?? (better is 17...b5 18.Qc2 Nf6-/+) 18.fe3+= Bg3 19.Kf1 (19.Kd1 Bf2 20.c4 Qh2 21.Be4 de4-+) 19...Qd6 20.Be4 (better is 20.c4=) 20...de4-/+ 21.Ne4 Bh3 22.Kg1 Bh2 23.Kf2 Qg6 24.N2g3 Bg3 25.Ng3 Qf6 (25...b5!? 26.Qa8 Qd6-/+) 26.Ke2=+ Bg4 27.Kd3 Qf2 28.Qa8 Qg3 29.Qb7 Bf5 30.Ke2 Bg4?? (31.Kd3 Qh2-+; 30...Qg2 31.Ke1 Qg1 32.Ke2 Bg4 33.Kd3 Qb1 34.Kc4 Be6 35.Kc5 Qf5 36.Kb6 Nd7 37.Kc7 Ke7 38.b5 c5=) 0–1. Rosner,Dirk – Nebe,Lutz, corr SOK–89–31, 1989.

9.Nd2 Nf6 10.Ne2 Bg4 11.h3 Bh5 (11...Bd7 12.Nf4+=) 12.g4 Bg6 13.Rg1 Bd6 14.Ng3 Nbd7 15.Be2 0-0 (15...h6 16.Nf5 Bf5 17.gf5+=) 16.h4 (16.g5!? Ne8 17.h4=) 16...h6+= 17.g5 hg5 18.hg5 Nh7 19.Nh5 Be7 (better is 19...Qd8 20.Nf4 Ng5 21.Ng6 fg6-/+) 20.f4? (better is 20.Nf4 Ng5 21.c4 Nf3 22.Bf3 ef3 23.Bc3 Bb4 24.Bb4 Qb4 25.cd5+=) 20...ef3!-+ 21.Bf3 (21.Nf3 Bh5 Decoy (21...Bh5 Interception); 21.Bf3 Ng5 Combination) 21...Re8 22.Nf4 Bg5 23.Rg5? (23.Ng6 Be3 24.Rg2 fg6 25.Qc2-+) 23...Ng5 24.Ng6 fg6 25.Qe2 (25.Be2 Re3 26.Nf1 Re8-+) 25...Qc7 (better is 25...Qa7 26.Qd1 Nf3 27.Nf3-+) 26.Nf1 (26.Kd1 Nf3 27.Qf3 Qh2-+) 26...Nb6 27.Bb2 Nc4 28.Bc1 Qf7 29.Bg4 (29.Bg2 Qe6 30.e4 Ne4 31.Be4 Qe4 32.Qe4 Re4 33.Kf2 Kf7-+) 29...Ne4 30.Bd2 (30.Qf3 Ra8 31.Nd2 Ned2-+) 30...Rf8 (better is 30...Ned2 31.Nd2 Re3 32.Nc4 Re2 33.Be2 dc4 34.Kd2-+) 31.Kd1 (31.Qg2-+) 31...Qf1 32.Qf1 Rf1 33.Ke2 Ned2 0–1. ognos – matonosic, kurnik, 2014.

9.Qb3 Bd6 10.Nf3 Bg4 11.0-0?? (11.h3 Bf3 12.Bf3 e4=+) 11...e4-/+ 12.h3?? (12.Nd4 Be2 13.Ne2-+) 12...ef3-+ 13.Bf3 Bf3 14.gf3 Qa6 15.Bb2 Qd3 16.Qd1 Nbd7 17.e4 (17.f4-+) 17...Ne5 18.ed5 (18.Kg2 de4 19.fe4 Qe4 20.f3 Qg6 21.Kh1 Qg3-+) 18...Nf3 (< 18...Nd5 19.Re1 0-0 20.Kg2-+) 19.Kg2 (19.Kh1 Qd5 20.Qe2 Ne5 21.f3-+) 19...Nh4 20.Kh1 Qh3 (21.Kg1 Qg2) 0–1. ahmed sharkawy_1 – Netsurferdude, ChessWorld.net, 2005.

9.Nf3 Bd6 10.0-0 (10.c4!? e4 11.c5 Qb4 12.Bf6 ef3 A) 13.cd6?? fe2 (13...gf6?! 14.Bf3 0-0 15.0-0=) 14.Qc2 gf6-+; B) worse is 13.Bf3 gf6 14.cd6 Qd6=; C) 13.gf3 gf6 14.cd6+=) 10...e4+= 11.Nd4 0-0 12.f4 ef3 13.Bf3 Nbd7 14.d3? (better is 14.Nf5 Qc7 15.Nd6 Qd6 16.Qc2+=) 14...Ne5-+ 15.Na3 (15.Qe2 Nfg4 16.h4 Qd8-+) 15...Qc7?? (better is 15...Neg4!? 16.Qd2 Bh2 17.Kh1-+) 16.g3 Nf3 17.Qf3 Bh3 18.Rf2 Bg4 19.Qg2 Qd7 20.Rf6? (better is 20.Ra2!?-+) 20...gf6 21.c4 Bh3 22.Qf2 (22.Qd2-+) 22...Qf5 (better is 22...Bb4 23.Nac2 Ra8 24.Qf6 Be7-+) 23.Nf5+– (23.Qf5?! Bf5 24.Nf5 Bb4+–) 23...Bf5 24.Qf5 (24.Qf5 Be5 25.Be5 fe5 26.Qg5 Kh8 27.Qe5 Kg8 28.cd5+–) 1–0. dtpwaldi – antoni64, kurnik, 2013.

9.Ng3 h5 10.Ne2 Be6 11.d4 Nbd7 12.de5 Ne5 13.Nd4 Bg4 14.Qa4 Be7 15.f4 Ng6 16.Bd3 0-0 17.0-0 Re8 18.Nd2 Bd6 19.h3 Bd7 20.Rf3 h4 21.Qd1 Qa7 22.Bb2 Qa2 23.Qc2 b6 24.Rf1 Re3 25.Bg6 fg6 26.Ra1 Qa1 27.Ba1 Re1 28.Kf2 Ra1 29.Kf3 c5 30.Qb2 Rd1 31.bc5 bc5 32.N4b3 Kh7 33.Qc2 Re1 34.Qa2 Nh5 35.Qa8 Nf4-+ 36.Qd8 Nd3 37.Qh4 Kg8 38.Qd8? Re8-+ 39.Qa5 Bc6 40.Nd4 0–1. miehnekort – almostcashed, Yahoo, 2005.

9.Ng3 h5 10.Ne2 Bf5 11.d4 e4 12.Ng3 Bc8 13.h3 h4 14.Ne2 Bd6 15.Bb2 Qc7 16.g4?? (better is 16.b5=+) 16...hg3-+ 17.Rg1 gf2 18.Kf2 g6 19.b5 Bh3 20.Bh3 Rh3 21.Qd2 (21.Qb3-+) 21...Qc8 22.Ke1 Ng4 (22...cb5?! 23.Bc1-+) 23.Qc1 (23.Qd1 Qf5 24.bc6 Qf2 25.Kd2 Re3 26.Rg4 Rd3 27.Kc2 Rd1 28.Kd1 Qf1 29.Kd2 Qb1-+) 23...Qf5 (< 23...cb5 24.Ba3 Qf5 25.Bd6 Qf2 26.Kd2 Qe3 27.Kd1 Nf2 28.Kc2 Qd3 29.Kb2 Qe2 30.Ka1-+) 24.Rf1 (24.Kd2 Qf2 25.Rg4 Re3-+) 24...Qh5 25.Ba3 (25.bc6 Ne3 26.c7 Bc7-+) 25...Bg3 26.Ng3 Rg3 (27.bc6 Re3 28.Kd1 Nc6-+) 0–1. b4_player (2155) – Lacrimosa (1990), GameColony.com, 2004.

10.d3 c5 11.Nd2 cb4 (11...Bg4 12.bc5 Qc5 13.Be2 Be2 14.Qe2=) 12.c4 dc4 (better is 12...Bg4!? 13.Be2 Be2 14.Qe2 Nbd7=) 13.Nc4+= Qc7 14.Ne4 Ne4 15.de4 Ke7 16.f4 Rd8 17.Bd3 (better is 17.Nd6!? Rd6 18.Qb1+=) 17...ef4 18.Qh5 Be6 19.Qg5 Ke8 20.Nd6 Qd6 21.Bb5 Nc6 (21...Bd7 22.Bg7 Bb5 23.Qb5 Nd7 24.0-0=+ (24.Qb7 Qd3 25.Qb4 Qe3 26.Kf1 Rc8-+)) 22.0-0 g6 (22...h6!? 23.Qg7 Qf8+=) 23.Bf6+/- Rc8 24.Kh1 fe3= 25.Qe3 Bd7 26.Bc4 Ne5 27.Be5 Qe5 28.Bf7 Kd8 29.Qb6+– Rc7 30.Qb4 Qe7 31.Qd4 Rc2 32.Bb3 Re2? 33.Qb6 (33…Ke8 34.Qb7+–) 1–0. marekt – Bob_Essl, ChessWorld.net, 2004.

10.Bd3 e4 11.Bc2 Bg3 (11...Qa6 12.Bb2-/+) 12.hg3 Bf5 (12...Qa6 13.Bb2 Bg4 14.f3-/+) 13.Na3 (13.c4 Qb4 14.Bf6 gf6 15.cd5 cd5+=) 13...Nbd7-/+ 14.Rh4 Qa6 (14...0-0 15.g4 g5 16.Rh1 Ng4 17.d4-/+) 15.Bb2+= Ne5 (15...Qb6 16.f3+=) 16.Rf4 (16.b5 cb5 17.Nb5 0-0-/+ (17...Qb5? 18.Ba4 Bd7 19.Bb5 Bb5 20.Qb3+/-)) 16...Bg6 (16...Bd7 17.c4 Ng6 18.Rf6 gf6 19.d3 ed3 20.Bd3+=) 17.Qe2 (17.Rh4 0-0-/+) 17...Qe2 (17...Nd3 18.Bd3 ed3 19.Qd1+=) 18.Ke2 Nd3 19.Bd3 ed3 20.Ke1 -/+. Koch,J – Heymann, Berlin, 1985.

10.Bd3 Bg4 11.f3 e4 12.Be2 -/+.

11.Be2 Be6 12.0-0 Nbd7 13.Qa4 (13.Nd2 Ra8=+) 13...Qc7 14.Nd2 Nb6 (14...b5 15.Qa2-/+) 15.Qc2=+ Ra8 16.Bb2 c5 (16...Ra2 17.Ra1 Ra1 18.Ba1=+) 17.bc5 Bc5 18.c4 dc4 (18...Bd6 19.Ra1=+) 19.Nc4 (19.dc4 Bd6=+) 19...Nc4 (19...Bd6 20.Qb3 Nc4 21.dc4-/+) 20.dc4 Be7 21.Bd3 g6 (21...Bd6 22.Rd1=) 22.Rd1 Nd7 23.Ne4 f5 24.Nc3 (24.Nd2 Nc5=) 24...Nf6 (24...Nb6 25.Nd5 Bd5 26.cd5 Qc2 27.Bc2=) 25.e4= fe4 26.Ne4 Ne4 27.Be4 Ra2 28.Bg6 (28.Qb1 Qc4 29.Be5 Qe2=) 28...hg6 29.Qg6 Kf8 30.Qh6 Kf7 (30...Ke8 31.Qe6 Rb2 32.Ra1=) 31.Qh5 ½–½. Hind,Alan – de Vries,J, corr friendly, 1996.

11.Be2=+ Re8 12.0-0 e4 (12...Be6 13.Nd2=+) 13.de4= Ne4 (13...Bg3 14.hg3 Ne4 15.Nd2=) 14.Ne4 Re4 15.Nd2 Rh4 16.Nf3 Rh6 17.Qd4 (17.h3 Nd7=) 17...Qc7 Will h2 fall? (17...Qd4 18.ed4 Bg4 19.Re1=+) 18.g3 (18.h3 f6 19.Rd1 Rg6+=) 18...f6 (18...Rg6 19.Bb2=) 19.Rc1 (19.Rd1 Be5 20.Qd3 Be6+=) 19...Nd7 (19...b5!?=) 20.c4+= dc4 (worse 20...Bb4 21.cd5 Be7 22.dc6+–) 21.Bc4 (better 21.Rd1 Be7 22.Bc4 Kf8 23.Ng5+=) 21...Kh8? (better 21...Kf8+=) 22.Rd1+– Be7 (22...Be5 23.Qe4 b5 24.Be5 fe5 25.Ne5 bc4 26.Nf7 Kg8 27.Qe8 Nf8 28.Nh6 gh6+–) 23.Ng5! Ne5 (23...fg5 A pinning theme 24.Qg7 A double attack) 24.f4?? (24.Qe4 g6 25.f4 Nc4 26.Qc4+–) 24...fg5 (24...b5 25.Bd3+=) 25.Qe5 Qe5 26.Be5 gf4?? (26...b5 27.fg5 Rg6 28.Bf7 Rg5 29.Bd6 Bd6 30.Rd6+–) 27.ef4 (27.Ra1!? Rf6 28.Bf6 gf6+–) 27...c5?? (27...b5 28.Be2 Be6 29.Bf3+=) 28.Bc3 (better 28.Ra1 cb4 29.Ra8+–) 28...b6?? (better 28...cb4 29.Bb4 Bf6+=) 29.Re1+– Rd6 (29...Be6 30.Be6 cb4+–) 30.Re7 Bd7 (30...Rd1 31.Kf2 h5 32.bc5 bc5 33.Re8 Kh7 34.Rc8 Rd6+–) 31.Bg7 1–0. Suess,Stefan – Berres,Raymond W, Odenwald–Schachkongress, 1984.

9.Bb2 Bg4 10.h3 Bh5 11.Be2 Nf6 (11...e4 12.Nd4 Be2 13.Qe2=+) 12.d3=+ d4 (12...0-0 13.Nbd2=+) 13.g4 dc3 (13...de3 14.gh5 ef2 15.Kd2 Nh5 16.Ng5=+) 14.Bc3 Bg6 15.Ne5 Be5 (15...Bb4!? 16.Bb4 Qb4 17.Nd2 Qc3 18.Ng6 hg6+=) 16.Be5+– Qb4 17.Bc3 Qd6 18.e4 (18.g5 Ne4 19.de4 Qd1 20.Kd1 Be4+=) 18...Qf4 (18...h6 19.Nd2+=) 19.Bd2 (19.g5 Qg5 20.h4 Qf4 21.Bf6 Qf6+–) 19...Qc7 20.Qc1 0-0 21.f4 h6 22.f5 Bh7 23.Bf4 Qa5 24.Kf1 (24.Nd2 Nbd7+–) 24...Rd8 25.g5 hg5 26.Bg5 Nbd7 27.Rg1 Re8 (27...Qb6 28.Bh6 Ne8 29.Nd2+–) 28.Qb2 (28.Bh6 g6+–) 28...Qc5 (28...Kh8 29.h4 b6+=) 29.Bf6 (better 29.Bh6! g6 30.fg6 (30.Qb7? Rb8 31.Qb8 Nb8-+) 30...Bg6 31.Bf4+– (31.Qb7? Rb8 32.Qb8 Nb8-+)) 29...Nf6= 30.Qf6 (better 30.Rg2!? Qd6 31.Nd2= (31.Qb7 Rb8 32.Qa6 Rb1 33.Kf2 Bf5 34.ef5 Qd4 35.Kf3 Nd5-+)) 30...Qg1!-/+ 31.Kg1 gf6 32.Nd2? (32.Kf2 b5-/+) 32...b5?? (32...Bf5 33.h4-+) 33.Nb3? (better 33.Kf2-/+) 33...Bf5!-+ 34.Kh2 (34.ef5 A pinning theme 34...Re2 Annihilates a defender: e2) 34...Be6 35.Nc5 Kg7 36.Kg3 Kg6 (36...f5 37.ef5 Bf5 38.Bf3-+) 37.d4 Bc8 (37...Rh8 38.h4 Rd8 39.d5 cd5 40.Bb5-+) 38.h4 (better 38.Bf3-+) 38...f5 39.Kf4 (39.d5 cd5 40.Bb5 Re4 41.Ne4 fe4-+ (41...de4?! 42.Be2-+)) 39...fe4 40.Ne4 Re6 (40...b4!? 41.h5 Kh6 42.Bd1-+) 41.h5 Kh6 42.Bf3 b4 43.Nc5 Rf6 44.Ke3 Rf3 45.Kf3 Be6 46.Nd3 b3 47.Kf4 Kh5 48.Nb2 Kg6 49.Nd3 Bd5 50.Ne5 Kh5 51.Nd3 f6 (51...Kh4 52.Nb2-+) 52.Nb2 Be6 53.Nd3 Kh4 54.Nb2 Kh3 55.Kf3 Bg4 (55...Bd5 56.Kf4-+) 56.Kf2 (56.Kf4 Bc8-+) 56...f5 57.Nd3 Bd1 (57...Kh4 58.Nb2-+) 58.Ke3 (58.Nb2 Bc2-+) 58...Kg3 59.Kd2 Bc2 60.Nb2 f4 61.Ke2 (61.Kc3-+) 61…Kg2 (61...Kg2 62.Kd2 f3-+; better 61...f3 62.Kd2 f2-+) 0–1. petrobbo (2095) – TheShrink (2150), ChessWorld.net, 2016.

9.d3 Nf6=+ 10.Be2 0-0 11.Nbd2 Bg4 12.h3 Bf3 13.Bf3 Nbd7 14.Qc2 Ra8 15.0-0 h6 (15...Ra3 16.Bb2 Ra2 17.Ra1 Ra1 18.Ba1=) 16.Bb2 Qc7 17.e4 b6 (17...Be7 18.Ra1 Ra1 19.Ba1=) 18.Qb3 de4 19.Ne4 Ne4 20.Be4 Nf6 21.Qc4 (21.Bf3 b5=) 21...Ne4 22.de4 b5 23.Qb3 Be7 24.Bc1 (24.c4 bc4 25.Qc4 Ra4=) 24...Qa7 25.Be3 Qa2 26.Qa2 Ra2 27.Rc1 Rb2 (27...Kf8 28.Kh2=) 28.g3 (28.Ra1 g5+=) 28…f6 ½-½. petrobbo (2045) - Mely (2145), ChessWorld.net, 2020.

9.d4 Nd7 10.Be2 ed4 (10...e4 11.Nfd2=+) 11.Nd4= Ndf6 (11...Qc7 12.Nf5 Be5 13.Bd3=) 12.0-0 Ne7 13.Nd2 0-0 14.Qc2 c5 (14...Re8 15.Rd1=+) 15.bc5 Bc5 (15...Qc5 16.c4=) 16.c4 (16.Rb1 Qc7+=) 16...Bd4 (16...Rd8!?+=) 17.Bd4+/- Qc6 18.Qb2 dc4 19.Nc4 Ned5 20.Ne5 Qa4 (20...Qe6 21.Rd1+/-) ½–½. Fischer,G – Baier,Joerg, Dortmund–ch, 1994.

9.Be2 Qc7 10.d3 Nf6 11.Nbd2 Be6 12.Qa4 0-0 13.e4 b5 14.Qc2 Nbd7 15.0-0 c5 16.ed5 Nd5 17.bc5 Bc5 18.d4 Bd6 (18...Bd4!? 19.Ng5 g6 20.Ne6 fe6=+) 19.Ne4 b4 20.Nd6 Qd6 21.de5 Ne5 22.Ne5 Qe5 23.c4 Nc3 24.Bc3 Qc3 25.Qc3 bc3 26.Rc1 Rb8 27.Rc3 g5 28.Rc1 f5 29.c5 Bc8 30.c6 Rb2 31.Bf3 Kf8 32.Rd1 g4 33.Bd5 Ke7 34.Bg8 h6 35.g3 Rc2 36.Bd5 Be6?? (better is 36...Ba6+/-) 37.Re1+– (37...Rc1 38.Rc1 Bd5 39.c7+–) 1–0. hal1958 – tycho, HCL–A1134 playchess.de, 2003.

9.Be2 Bg4 10.h3 Bh5 11.0-0 e4 12.Nd4 Be2 13.Qe2 Qa7 (13...Qa6 14.Qa6 Na6 15.b5 cb5 16.Nb5=+) 14.Nc2 b5 15.c4 f6 16.cb5 Qa4 17.Qg4 Ne7 (17...Qc2 18.Qg7 Bh2 19.Kh2 Qc4+–) 18.Qg7+/- Rg8 (18...Rf8!? 19.Nba3 Bb4 20.Nb4 Qb4+=) 19.Qf6+– Rg6 20.Qh8 Rg8 21.Qc3 Qb5 22.Nba3 (better is 22.Rc1+/-) 22...Bh2!-+ 23.Kh2 Deflection from f1 23...Qf1 The mate threat is Rxg2 24.g4 Qf2 25.Kh1 Rf8 (better is 25...Qg3-+) 26.Qe5?? (better is 26.Bb2-+) 26...Qf1 27.Kh2 Qe2 (28.Kh1 Rf1#) 0–1. Ljungstroem,David – Wik,Bo, Norrkoeping, 1988.

10.0-0 0-0 11.d4 e4 12.Ne1 Bf5 (12...Na6 13.Nd2-/+) 13.Na3 (13.c4 dc4 (13...Qb4? 14.c5 Bc5 15.Nc2+-; 13...Bb4?! 14.c5 Qc7 15.Bc3 Bc3 16.Nc3-/+) 14.Na3 Qc7 (14...Qb4?! 15.Nc4 Be7 16.Bb2=+; worse 14...Bb4 15.Nec2 Be7 16.Nc4-+) 15.Nc4 Bh2 16.Kh1 Bd6-+) 13...Nbd7 14.Bb2 Qc7 15.b5 (15.g3 Ra8-+) 15...Bh2 16.Kh1 Bd6 17.bc6 (17.c4-+) 17...bc6 18.Nac2 Rb8 (better 18...Ra8-+) 19.g4?? (19.Nb4 Qb7-+) 19...Bg6 (better 19...Ng4!? 20.Ba3 Ndf6 21.Bc1-+) 20.g5?? (20.Nb4-+) 20...Rb2 21.Qb1 (21.gf6 Nf6 22.Qa1-+) 21…Rb1 0-1. RubenPedroI - Bliksem (2070), Rated Blitz tournament, lichess.org, 2015.

10.0-0 e4 11.Nd4 0-0 12.Na3 Qc7 13.h3 Nbd7 14.Qb3 Ne5 15.c4 Qe7 16.c5 Bb8 17.f4 ef3 18.Nf3 Nf3 19.Bf3 Ne4 20.Be4 de4 21.Qc4 Qh4 22.d3 (22.Qd4 Qg3 23.Qe4 Qh2 24.Kf2 Bh3 25.Qf3-/+) 22...Bh3-/+ 23.Qe4 Bg4 24.Be5 Be5 25.Qe5 Be2 26.Rf4 Qe1 27.Kh2 Bd3 28.Nc4 Qb4 29.Nd6 Qb3 30.Nf7 Bg6 31.Nd6 h6 32.Qe7 Exerts pressure on the backward pawn 32...Rf4 33.ef4 Qb4 34.Qe5 Kh8 35.f5 Bh5 36.Ne4 White intends f6 36...Qe1 37.f6 Qh4 ½-½. mmmvbokhoven (2025) - maria20 (2055), Challenge from maria20, lichess.org, 2020.

10.Qa4 0-0 11.Na3 (11.d3 Na6 (11...e4 12.de4 de4 13.Nd4 Qc7 14.c4 b6 15.h3 Qe7 16.Bc3 Bd7+=; 11...Qc7+= 12.Nbd2 Na6 13.Qa5 b6 14.Qa2 Nb8 15.Qc2 Bg4 16.h3 Bf3+=) 12.Qa5 Qa7 13.0-0 Be6 14.d4 e4 15.Ne5 Ra8 16.b5 Nc7-/+; 11.Qa5 Qa5 12.ba5 Bc7 13.c4 e4 14.Nd4 Ba5 15.cd5 cd5 16.Bc3 b6-/+) 11...Bg4 12.0-0 (12.d3 Na6-/+ 13.h3 Bf3 14.Bf3 Ra8 15.Bb2 e4 16.Be2 Nc7-/+) 12...Nbd7 (12...e4 13.Nd4-/+ Qc7 14.h3 Be2 15.Ne2 Nbd7 16.f3 b5-/+) 13.d3+= (13.h3 Bh5 14.d3 e4 15.de4 Ne4 16.Re1 Re8-/+) 13...Qc7 (13...e4 14.de4 Ne4 (14...de4 15.Nc4 ef3 16.Nb6 fe2 17.Re1 Nb6 18.Qa7=) 15.Rd1 Re8 16.Nc2 Qc7+=; 13...Re8 14.Rd1 Qc7 15.h3 b5 16.Qc2 Bh5+=) 14.h3 Bh5 (14...Bf3 15.Bf3 e4 16.de4 de4+=) 15.c4 Re8 (15...dc4 16.dc4 (16.Nc4? b5 17.Qc2 bc4-+) 16...b6 17.g4+=) 16.c5 Bf8 (16...Be7 17.Bb2+=) 17.Nc2 (17.g4 Bg6+=) 17...h6 (17...b6 18.cb6 Nb6 19.Qb3+=) 18.Bb2 (18.Qa7 Be7=) 18...Nh7 (18...b6 19.cb6 Qb6 20.Qa5=) 19.g4 (19.Ra1 Nhf6=) 19...Bg6 20.Nh4 (20.Ra1 Ng5 21.Ng5 hg5=) 20...Re6 (20...b6 21.Ng6 fg6 22.d4=) 21.Ng6 Rg6 22.Ne1 h5 23.f4 b6 24.f5 Rh6+= 25.e4 hg4-/+ 26.Bc1 Rh3-+ 27.Kg2 bc5 28.Bg4 Rh4 29.Kg3 Rg4! 30.Kg4 cb4 31.Qc2 c5 32.Rh1 de4 33.de4 Qb7 34.Rh4 b3 35.Qe2 c4! 36.Nf3 c3 37.Rh7 Nf6 (37...Nf6 38.Kh3 b2 39.Bb2 cb2 (39...Nh7?! 40.Bc3 Nf6 41.Be5+=; 39...Kh7?! 40.Bc3 Bd6 41.Be5 Ne4 42.Qc4-/+) 40.Rg7 Bg7-+) 0–1. Glushenkov,Alexander – Demianyuk,A (2345), Polyarniy Krug, Salekhard RUS, 2006.

10.Qa4 Qc7 11.h3 Nbd7 12.d3 0-0 13.0-0 Nb6 14.Qc2 Bf5 15.Nbd2 Ra8 16.e4 Be6 +=.

10.Qa4 e4 11.Nd4 Qc7 12.f4 ef3 13.Nf3 Ng4 14.h3 Bg3 15.Kf1 Nf2 16.Rg1 Bf5 -/+.

10.Qa4 Bg4 11.h3 Bh5 12.Qa5 Qa5 13.ba5 Bc7 14.c4 Nbd7 15.cd5 Nd5 16.Rg1 0-0 -/+–

10.Qa4 Bg4 11.h3 Bh5 12.d3+= e4 13.de4 de4 14.Nfd2 Be2 15.Ke2 Be5 16.c4 Qc7 +=.

10.Qa4 Bg4 11.h3 Bh5 12.g4 Bg6 13.Na3 0-0 14.d3 (14.g5!? Nh5 15.Nh4+=) 14...e4-/+ 15.de4 Be4 16.0-0 Nbd7 17.Nd2 Qc7 18.f4? (18.Ne4 Ne4 19.c4 Bh2 20.Kh1-+) 18...Qb6-+ 19.Ne4 (19.Nac4 dc4 20.Nc4-+) 19...Qe3 (19...de4 20.Nc4 Qc7 21.Nd6 Qd6 22.Rd1+/-; 19...Ne4?! 20.Nc2 Qd8 21.Bd3-/+) 20.Nf2 (20.Kg2 Ne4 21.Qc2 Qg3 22.Kh1 Qh3 23.Kg1-+) 20...Qe2 (20...Qg3 21.Kh1 Bf4 22.Qc6 Qh2) 21.Qc2 (21.Kg2 Qa2 (worse is 21...Bf4 22.Qc2 Qe7 23.c4-+) 22.Qa7 Bf4-+) 21...Qc2 (better is 21...Qe3 22.Rd1 Qf4-+) 22.Nc2 Bf4 23.Nd3 Bg5 24.Rf5 h6 25.Ne5 (25.Bb2-+) 25...Ne5 26.Re5 Ne4 27.Kg2 (27.c4 Bf6 28.Re4 de4 29.Bf6 gf6 30.Kf2-+) 27...Ra8 28.c4 Ra2 (better is 28...f6!? 29.Re6 Ra2 30.cd5 Rc2 31.Kf3 cd5 32.Bd4-+) 29.cd5 Rc2 30.Kf3 Nd2 31.Ke2 (31.Kg3 Rc4 32.Re8 Kh7 33.dc6 bc6-+) 31...Nc4 (better is 31...Nb3 32.Kd3 Na1 33.h4 Rd2 34.Kc3-+) 32.Kd3 Ne5 33.Kc2 Bf6 34.d6 (34.dc6 Nc6 35.Bf6 gf6-+) 34...Nd7 35.Bf6 Nf6 36.Kd3 (36.Kb3 b5-+) 36...Kf8 37.Kd4 Ke8 38.Kc5 Nd7 39.Kd4 g6 40.Ke4 (40.b5 cb5 41.h4 Nf6-+) 40...f6 (40...Nf6 41.Ke5 Ng4 42.Kd4-+) 41.Kd4 (41.h4 b5-+) 41...Kf7 42.b5 Ke6 43.bc6 bc6 0–1. tedrik – nexuscz, kurnik, 2014.

10.c4 e4 11.Bf6 (11.c5 Qb4 12.Bf6 ef3 13.Bf3 Bf8+= 14.Bd4 Na6 15.Bc3 Qc5 16.0-0 Bf5+=) 11...ef3 12.Bf3 gf6 13.c5 Qb4 14.cd6 Bf5 15.0-0 Rg8 16.d4 Qd6 =.

10.d4 e4 11.Nfd2 Bf5 12.0-0 Qc7 13.h3 b5 14.f3 0-0 (14...Nh5 15.Re1 Bh2 16.Kh1-/+) 15.Bb2 (15.fe4 Be4 16.Rf6 Bb1 17.Rd6 Ba2 18.Rd5 Bd5=+ (worse 18...cd5 19.Bb5 Qe7 20.Qf3+=)) 15...Nbd7 16.f4 Nb6 17.Na3 Re8 18.Nb3 Na4 19.Qc2 h5 (19...Ra8 20.Ra1-/+) 20.Nc5 Nb6 21.Ra1 Qc8 22.Bc1 Kh7 (22...h4 23.Bd2=) 23.Nb1 Rg8 (23...h4 24.Nd2=) 24.Bf1 (24.Qd1 Bg6=) 24...g5=+ 25.fg5 Rg5 26.Kh1 h4 27.Nd2 (27.Na3 Bb8 28.Kg1 Qc7-+) 27...Nh5-/+ 28.Ndb3?? (better 28.Kg1-/+) 28...Ng3-+ 29.Kg1 Nc4 (better 29...Nf1 30.Ra7 Nh2-+) 30.Qf2 (30.Ra7 Nf1 31.Kf1 Kg7-+) 30...Kg6 31.Nd2?? (31.Ra7 Nf1 32.Qf1 Bb8-+) 31...Nf1 (31...Nd2 32.Bb5 Nf3 33.gf3 ef3 34.e4 Ne4 35.Bg5 Nf2 36.Kf2 Bg3 37.Kf3 Bh3 38.Bd3 Kg5 39.Ke2-+) 32.Kf1?? (better 32.Nc4 bc4 33.Qf1 Bh3 34.Ra2-+) 32...Bh3!-+ 33.gh3 (33.Nc4 bc4 34.gh3 Qh3 35.Ke2-+) 33...Qh3 34.Ke1 (34.Ke2 Rg2 35.Nce4 Qe3 36.Kd1 Rf2 37.Nf2 Qf2 38.Nc4-+) 34...Bg3 (34...Qe3?! 35.Qe3 Ne3 36.Nde4 Nc2 37.Kd1 de4 38.Ra8=+) 35.Nc4 Bf2 36.Kf2 Rg2 (36...Rg2 37.Ke1 Qh1) 0-1. Osmak,Iulija (2425) - Maksimovic,Bojan (2415), Titled Tuesday 2nd Mar, 2021.

9.Nd4 c5 10.bc5= Bc5 11.Be2 (11.d3 Nf6=) 11...Qg6 (better is 11...Nf6=) 12.0-0? (better is 12.Qa4 Nc6 13.0-0=) 12...Bh3-+ The mate threat is Qxg2 13.Qa4 (13.g3 Bd4 14.Qa4 Nd7 15.ed4 Bf1 16.Bf1 Qb6 17.Qa8 Ke7 18.Qa3 Qd6-/+) 13...Nd7 14.Qa8 Ke7 15.g3 Bf1 16.Bf1 Qb6 17.Na3 Bd4 18.ed4 Qc7 (18...Kf6 19.Bh3 Qc7 20.Nb5-/+) 19.Nb5-+ Qb8 (19...Qc6!?-+) 20.Qa3-/+ Kd8 21.Bh3 (21.Nd6 Nh6-/+) 21...Ngf6 (21...b6 22.Bb2-/+) 22.c4 (22.Nd6 Rf8-/+) 22...dc4-+ 23.Nd6 (23.Bf1 Nb6 24.Qa5 Nfd7-/+) 23...Rf8 24.Nf5 (24.Bg2 Qc7-+) 24...g6 (better is 24...Nd5!?-+) 25.Qe7-/+ Kc7 26.Nd6 Qa8 27.Bc3 Qa4 (27...Qd8 28.Nb5 Kb6 29.Qb4+–) 28.Bd7 (28.Ne4 Ne4 29.Bd7 Qd7 30.Qf8 Qf5 31.Qe7 Kc6-/+) 28...Nd7 (28...Qd1 29.Kg2 Qf3 30.Kg1 Nd7 31.Nb5 Kc8 32.Nd6 Kc7 33.Nb5 Kc8 34.Nd6 Kc7=) 29.Ne4=+ Qd1 30.Kg2 Qe2?? 31.Qd6+– Kd8?? 32.Nc5 Qe7+= 33.Nb7 Ke8 34.Qc6 Qa3+– 35.Nd6 Ke7 36.Nc4 Qb3 37.Qe4 Kd8 38.d5 Nc5 39.Bf6 Kc8 40.Nd6 Kc7?? 41.Qe5 h6 42.Ne4 Kc8 43.Nc5 Qb5 44.d6 Qc6 45.f3 Kb8 46.d7 Ka7 47.Qa1 Kb6 48.Be7 Rb8 49.Qa6 Kc7 50.Qa7 Qb7 51.d8Q Kc6 52.Qa4 Qb5 53.Qd6# 1–0. NN – KnightStalker 80286 12Mh, 1993.

9.Nd4 Bd6 10.Nc2 Be5 11.Be2 Nf6 12.h3 0-0 13.d4 ed3 14.Qd3 Ne4 15.Nd2? (better 15.Nd4=+) 15...Bf5-+ 16.0-0? (better 16.Ne4 Be4 17.Qd1 Bg2 18.Rg1-/+) 16...Ng3 17.e4 (17.fg3 Bd3 18.Bd3 Na6-+) 17...de4 (17...Nf1?! 18.Kf1 Bg6 19.Qf3-+; 17...Ne4?! 18.Ne3 Bg6 19.Ne4 Be4 20.Qd2-/+; 17...Ne2?! 18.Qe2 Re8 19.c4=+) 18.Ne4 (18.Qe3 Qe3 19.Ne3 Ne2 20.Kh1 Bg6-+) 18...Be4 19.Qe3 (19.Qd2 Rd8 20.Nd4 Nf1 21.Bf1 Na6-+) 19...Qe3 (19...Bc2?! 20.Qb6 Ne2 21.Kh1=) 20.Ne3 (20.fe3?? Nf1 21.Kf1 Bc2-+) 20...Ne2 21.Kh1 Bc3 22.Bc3 Nc3 23.Re1 (23.Ra1 Na6-+) 23...Na6 24.Nc4 (24.Rc1 Na2 25.Rc4 Bd5 26.Nd5 cd5-+) 24...Nb4 25.Nd6 Nd3 26.Re3 Bg6 (26...b5 27.Ne4 Ne4 28.Kg1 Nef2 29.Kf1-+) 27.Nb7 Nf2 28.Kg1 Nfe4 29.Nc5 Rd8 30.Ne4 Ne4 31.Kf1 (31.g4 f5-+) 31...c5 32.Ke2 c4 33.Kf3 c3 34.Re1 c2 35.Rc1 Nc3 36.Ke3 Rd1 (36...Rd1 37.Rc2 Bc2-+) 0-1. upep (1860) - king_me (2060), Rated Classical game, lichess.org, 2013.

9.Nd4 Bd6 10.Be2 Nf6 11.0-0 0-0 12.Qb3 Nbd7 13.d3 Ne5 14.de4 Ne4 15.f3 Nf6 16.Bb2 c5 (better is 16...Re8!?-/+) 17.bc5+= Bc5 18.Qb6 Bb6 19.Nd2 Bf5?? (19...Re8 20.Kf2=) 20.Ra1 (better is 20.Nf5 g6 21.Nd4+–) 20...Nd3?? (20...Bd3 21.Kf2=) 21.Bc1?? (better is 21.Nf5 Nb2 22.Ra2+–) 21...Rc8?? (21...Bg6 22.Ba3 Re8 23.Bd3 Bd3 24.Kf2=+) 22.Bd3 (better is 22.Nf5 Nc1 23.Rc1+–) 22...Bd3=+ 23.Bb2 h6 24.Kf2 Bd4 25.cd4 Rc2 26.Bc1 b5 27.Kg3 b4 28.Rb1? (better is 28.Nb3!?-/+) 28...Rd2!-+ 29.Rb4 (29.Bd2 Bb1) 29...Rc2 30.Ba3 Bf1 31.Rb2 Rb2 32.Bb2 g5 33.Kf2 Bc4 34.g3 h5 35.Ba3 g4 36.f4 (36.Be7 Kg7 37.e4-+) 36...Ne4 37.Kg1 Nc3 38.Bb4 Nd1 39.Bd2 Kg7 40.Kg2 Kg6 41.Kg1 Kf5 42.Kg2 Ke4 43.Bc1 Ne3 44.Be3 (44.Kf2 Nc2 45.f5-+) 44...Ke3 45.h3 gh3 46.Kh3 Kd4 47.Kh4 Ke4 48.Kh5 d4 49.Kg5 d3 50.g4 d2 51.f5 d1Q 52.Kf6 Qg4 53.Ke7 Qf5 54.Kd6 (54.Kd8 Bb5 55.Ke7 Qe6 56.Kf8 Bc4 57.Kg8 f5 58.Kh7 Qg8 59.Kh6 f4 60.Kh5 Bf7 61.Kh4 Qg3) 54...Qd5 55.Ke7 Ke5 56.Kf8 Qd6 (56...Kf6 57.Kg8 Qg2 58.Kf8 Qa8) 57.Kg7 Qg6 58.Kf8 f5 59.Ke7 Qf6 (59...Qg7 60.Kd8 Kd6 61.Kc8 Qc7) 60.Kd7 Qd6 61.Ke8 Bb5 62.Kf7 Qf6 63.Kg8 Bd7 (63...Qg6 64.Kf8 f4 65.Ke7 Qe8) 64.Kh7 -+. Grits – CheckMyMate, Live Game Caissa's Web, 2004.

9.Nd4 Nf6 10.Be2 Bd6 11.0-0 Qc7 12.g3 h5 13.f3 Bh3 14.f4? (better is 14.Re1-/+) 14...Bf1-+ 15.Qf1 Qd7 16.Na3 g6 17.Bb2 0-0 (17...h4 18.gh4 Rh4 19.Qd1-+) 18.b5 c5 19.Ndc2 c4 20.Nd4 Qe7 21.Ndc2 Nbd7 22.Nb4 Bb4 23.cb4 Qb4 24.Qc1 Ra8 25.Nc2 Qb5 26.Kg2 Qc6 27.Nd4 Qd6 28.Bc3 Nc5 29.Nb5 Qd8 30.Qb2 Ne8 31.Qb4 Nd3 32.Bd3 ed3 33.Bb2 Qd7 34.Qc3 f6 35.Nd4 Nd6 36.Nf3 Ne4 37.Qd4 Ra2 38.Bc1 Rc2 39.Ne1 (39.Qa1 c3 40.Qa8 Kg7 41.Ba3 cd2 42.Nd2 Rd2 43.Kg1 Rh2 44.Qf8 Kh7 45.f5-+) 39...Rc1 (40.Nd3 cd3 41.Qd3 Rd1-+) 0–1. valpa – Pitti, HCL–B1391 playchess.de, 2002.

9.Nd4 Nf6 10.Be2 Bd6 11.0-0 Qc7 12.g3 Bh3 13.Re1 Nbd7 14.d3 ed3 15.Qd3 Ne5 16.Qc2 b6 17.Nd2 0-0 18.c4 dc4 19.Nc4 Nc4 20.Qc4 c5 21.Nb5 Qc6 22.f3 Bb8 23.Bf6 Qf6 24.bc5 bc5 25.Qc5 Rc8 26.Qb6?? (better is 26.Qb4+=) 26...Qb6-+ (26...Qb6 27.Kf2 Rd8-+) 0–1. ognos – typul48, kurnik, 2014.

9.Nd4 Nf6 10.Be2 Bd6 11.Bb2 0-0 12.d3 (12.0-0 Be6=+) 12...Qc7 13.de4 Ne4 14.f4 (14.Nd2 f5=+ (< 14...Bh2 15.Ne4 de4 16.g3+/-)) 14...Re8-/+ 15.0-0 Nf6 (15...b6 16.Nd2-/+) 16.Qd3=+ Qe7 17.Bc1 Ng4 (17...Qe4 18.Qe4 Ne4 19.Rd1-/+) 18.Rf3 Qh4 19.h3 Nf6 20.Bb2 (20.Nd2 b6=+) 20...Ne4-/+ 21.Na3 g5 (21...Nd7 22.Nac2-/+) 22.Nac2 (22.fg5!? Qg5 23.Nac2=+) 22...g4-/+ 23.hg4 Bg4 24.Rf1 Be2 25.Ne2 Re6 26.Rf3 Rh6 27.Kf1 (27.Rh3!? Qf2 28.Kh1-/+) 27...Qh1-+ 28.Ng1 Nd7 (28...Rg6 29.Ne1-+) 29.Nd4 (29.c4 Rg6 30.Ne1 Bb4-+) 29...Rg6-+ 30.Qc2 Ndf6 31.Rh3? (31.Nf5 Ng4 32.Rh3 Nh2 33.Rh2 Qh2 34.Ba3-+) 31...Ng3 32.Kf2 (32.Rg3 Rg3 33.Nf5-+) 0–1. Waibel,Ulrich – Beutel,Heinrich, compuserve casual, 1996.

9.Nd4 Nf6 10.h3 Bd6 11.Be2 0-0 12.0-0 Qc7 13.d3 Re8 14.Nd2 Qe7 15.de4 Ne4 16.Ne4 Qe4 17.Bf3 (better is 17.Bd3!? Qe5 18.Nf3=) 17...Qe5-/+ 18.Ne2?? (better is 18.Re1-/+) 18…Qh2 0–1. Hal1958 – BohdanL, playchess.de, 2005.

9.d3 =+.

9.Be2 Bd6 10.Ne5? Be2-+ 11.Qe2 Be5 12.Qg4 (12.d4 Bd6-+) 12...Ne7 13.f4 Bf6 14.0-0 0-0 15.h4 (15.Qe2 Qa6 16.Qa6 Na6-+) 15...g6 16.h5 Bg7 17.d4 (17.Bb2 Nf5-+) 17...Nf5 18.Re1 Qa6 19.Bb2 Qd3 (19...Qa2 20.Ba3-+) 20.Qe2 (20.hg6 hg6 21.Qe2 Qe2 22.Re2 Ng3-+) 20...Qe2 21.Re2 Nd7 (21...Ng3!? 22.Re1 Nh5 23.Nd2-+) 22.g4 Nd6 23.hg6 fg6 24.g5 Nf5 (24...Ra8 25.Na3-+) 25.Bc1 (25.Nd2 Nb6-+) 25...Re8 (25...Ra8 26.Na3-+) 26.Na3 Nb6 27.b5 h6 (27...Bf8 28.bc6 bc6 29.Nb1-+) 28.gh6 Bh6 29.bc6 bc6 30.Nc2 (30.Rg2 Kf7 31.Rb2-+) 30...Bf4! 31.Rg2 (31.ef4 Re2 Pinning (31...Re2 Deflection)) 31...Be3 (better 31...Bg3!? 32.Nb4-+) 32.Ne3 Ne3 (32...Re3?! 33.Be3 Ne3 34.Rg6 Kf7 35.Rc6-+) 33.Rg6 Kf7 34.Rc6 Nbc4 35.Rc7 Ke6 36.Rc6 (36.Be3 Ne3 37.Kf2 Kd6-+) 36...Kf5 37.Rc5 Ke4 38.Kf2 (38.Be3 Ne3 39.Rc7 Kd3-+) 38...Kd3 (better 38...Rg8 39.Rc4 Rg2 40.Ke1 Nc4 41.Bh6-+) 39.Be3 Ne3 (39...Re3?! 40.Rd5 Ke4 41.Rg5 Rc3 42.Rg4 Kd5 43.Rf4-/+) 40.Rc7 (40.Kg3 Rd8-+) 40...Rf8 41.Kg3 Nd1 42.Kh4 Nc3 43.Kh5 Kd4 44.Kg6 Ne2 45.Kg7 (45.Rd7 Nf4 46.Kg7 Rf5-+) 45...Rf5 46.Ra7 (46.Kg6 Ke4-+) 46…Ke4 0-1. jolubolu (1695) - McDuck (1810), Rated Blitz game, lichess.org, 2014.

9.Be2 Nd7 10.d4 Bf3 11.Bf3 Bd6 12.Qa4 Ngf6 13.Nd2 0-0 14.0-0 Re8 15.Bb2 h6 16.Nb3 Nb8 17.g3 Na6 18.Nc5? (18.Qa5!? Qc7 19.de5 Be5 20.Qc7 Nc7 21.Ra1=) 18...Nc5 19.dc5 Bc5! 20.bc5 Qb2 21.Qb4 Qb4 22.cb4 Ra8 23.Rb1 Ra4 24.h4 Nd7 25.Kg2 e4 26.Be2 Nb8 27.Kh3 Na6 28.Ba6 Ra6 29.Kg4 Ra2 30.f3 ef3 31.Kf3 Rd2 32.b5? (better is 32.Ra1!? Rb2 33.Ra4-/+) 32...Rc2-+ 33.bc6 bc6 34.Rb8 Kh7 35.Rb7 f6 (35...Rc5?! 36.Rf7 Kg6 37.Rd7-+) 36.Kf4 Rc5 37.g4 Rc4 38.Kf5 Re4 39.Rc7 Re3 40.Rc6 Re5 41.Kf4 g5 42.hg5 hg5 43.Kf3 Kg7 44.Rd6 f5 45.gf5 Rf5 46.Kg4 Re5 47.Rd8 Kf7 48.Rd7 Ke6 49.Rd8 Ke7 50.Rg8 d4 51.Ra8 Kd6 52.Ra1 Kd5 53.Kf3 Re3 54.Kf2 Ke4 55.Rg1 Kf4 56.Rd1 d3 57.Kg1 Kf3 58.Kf1 g4 59.Rd2 g3 60.Rf2 Ke4 61.Rd2 Rf3 62.Ke1 Ke3 (better is 62...Rf2 63.Rf2 gf2 64.Kf2-+) 63.Re2 Kd4 64.Rg2 Kc3 65.Kd1 (65.Ra2 d2 66.Rd2 Re3 67.Kf1 Kd2 68.Kg2-+) 65…Rf1 0–1. Mueller,Martin – Carstensen,Tim Matthias, Schleswig Holstein–chB U14, 2000.

11.Qe2 Nd7 12.0-0 Ngf6 13.h3 Qa7 14.Nb3? (better is 14.Bb2!? Qa2 15.Ba3-/+) 14...Qa2-+ 15.Qd1 c5 (better is 15...h5-+) 16.Qc1?? (better is 16.bc5 Nc5 17.Nc5 Bc5 18.d4-/+) 16...Qb3-+ 17.Na3 Ne5 (worse is 17...cb4 18.cb4 Qb4 19.Qc8 Ke7 20.Nb1-+) 18.Nb5 Qc4 19.Nc7 (19.Na3 Qa6 20.Nc2-+) 19...Kd7 20.Na8 Qa6 21.bc5 (21.c4 Nc4 22.f3 Be7 23.fe4 Ne4-+) 21...Bc5 22.Qb2 (22.c4 Nc4 23.Bf6 gf6-+) 22...Ra8 23.c4 Nc4 24.Qc3 (24.Qc1 Bb4 25.Bc3 Bc3 26.dc3 Ke6-+) 24...Bd6 25.g3 (25.Qc1 Nd2! 26.Qd2 Qa1-+) 25...Be5 26.d4 ed3! 27.Qd3 Ba1 28.e4 d4 29.e5 Ne5 30.Qf5 Kd6 31.f4 Nc4 32.Rc1 Qa3 33.Rc4 Qg3 34.Kh1 Qe1 35.Kg2 Qe2 36.Kh1 Qc4 37.Qe5 Kd7 38.Qf5 Qe6 39.Qb5 Qc6 40.Qc6 bc6 41.Kg2 c5 42.Kf3 c4 43.f5 c3 44.Kf4 c2 45.h4 c1Q 46.Kg3 1–0. sun2012 – ab45ad46, kurnik, 2014.

11.Ne2 Qa6 12.Bb2 Nd7 13.0-0 Ne5 14.Na3?? (better 14.Nd4=+) 14...Nd3-+ 15.Qc2 (15.b5 Qa7 (15...Nb2?? 16.ba6 ba6 17.Qb3+–) 16.Qb3 Nb2 17.bc6 bc6 (17...Qa3?? 18.Qb7 Nf6 19.c7+–; 17...Ba3 18.cb7 Bd6 19.Qb2+–) 18.Qb2 Ba3-/+ (18...Qa3?! 19.Qb8 Kd7 20.Qb7 Ke6 21.f3=)) 15...Nb2 16.Qb2 Qe2 17.b5 (17.Qa1 Kd7-+ (17...Qd2?! 18.Nb1 Qd3 19.Qa8 Ke7 20.Qb7 Kf6 21.Qc6 Kg5 22.Qc7-+)) 17...f5 (17...Bd6!? 18.bc6 bc6 19.c4-+) 18.bc6 bc6 19.Qb8 Kf7 20.Qc7 Be7 21.Nb1 Nf6 22.Qc6 Rb8 23.Qa4 Qd3 24.Qa2 Ng4 25.h3 Ne5 26.Rc1 Nc4 27.Rc2 (27.Kh2-+) 27…Rb1 (27...Rb1 28.Qb1 Na3-+) 0–1. retiponziani (1965) – Simon249250 (2745), ChessWorld.net, 2010.

11.Ne2 Qa7 12.Bb2 Qa2 13.Qc1 Nf6 (13...Nd7 14.Na3 Ne5 15.Kd1-/+) 14.0-0 (14.Na3 Nbd7 15.Qc2=) 14...Bd6 (14...Nbd7 15.Na3 Ne5 16.Qc2=) 15.f3?? (15.Na3!? 0-0 16.Qc2+/-) 15...0-0 (15...Nbd7 16.f4 Nb6 17.Na3-/+) 16.Nd4 (16.Na3 ef3 17.Rf3 Nbd7=) 16...ef3+= 17.Rf3 (17.Na3!? fg2 18.Kg2=) 17...Ng4-/+ 18.h3? (18.Rh3 g6 19.c4 Qc4 20.Qc4 dc4 21.Na3-+) 18...Ne5-+ 19.Nf5 Nf3 20.gf3 Be5 21.Na3 Qb3 22.f4 Bf6 23.Kf2 Nd7 24.Nc2 Rb8 25.Ncd4 Qc4 26.Qc2 Ra8 27.d3 Qa6 28.e4 c5 29.bc5 Nc5 30.Ke3 (30.e5 g6 31.ef6 gf5 32.c4 dc4 33.Kf3 Qf6 34.Qc4-+) 30...de4 31.de4 Qf1 32.e5 Qh3 33.Ke2 (33.Nf3 Bd8 34.Qb1 g5 35.fg5 Bg5 36.Kf2 Ra2 37.Qa2 Qf5-+) 33...Qg2 (better is 33...Ra2 34.ef6 Rb2 35.Qb2 Qg2 36.Ke3 Qb2 37.Ne7 Kf8 38.fg7 Kg7-+) 34.Ke3 Qg1 35.Kd2 (35.Kf3 Bd8 36.Qc1-+) 35...Bh4! 36.Nh4 (36.Nh4 Qh2 Double attack (36...Qh2 Decoy)) 36...Qf2 37.Kd1 (37.Kc1 Qf4 38.Kb1 Qh4-+) 37...Qf1 38.Kd2 Qf4 39.Kd1 Qh4 40.Qe2 Ra2 41.Kc1 (41.e6 Qh1 42.Kc2 fe6 43.Nb3 Qe4 44.Qe4 Ne4 45.c4-+) 41...Qh1 42.Kc2 Na4 43.Kb3 Rb2 (43...Nb2?! 44.Ka2 Na4 45.Qc4-+) 44.Qb2 Nb2 45.Kb2 Qe4 46.Kb3 Qe5 47.Kc4 h5 0–1. brozal – ab45ad46, kurnik, 2013.

11.Ne2 Qa7 12.Bb2 Qa2 13.Qc2 Qa6 14.Na3 Nf6 15.Nd4 Nbd7 16.b5 Qb6 17.c4 Ne5 18.cd5 (18.0-0 Ba3 19.Ba3 Nc4 (19...dc4? 20.Bd6 Neg4 21.bc6 bc6 22.Qc4+–) 20.bc6 Na3=) 18...Nd3 (18...Ba3 19.Ba3 c5 20.0-0 (worse is 20.Bc5 Qc5 21.Qc5 Nd3 22.Ke2 Nc5-/+) 20...cd4 21.Qc8 Qd8 22.Qb7 de3 23.fe3+–) 19.Ke2 Nb2 (19...c5 20.Nc6 bc6 (worse is 20...Nd5 21.Qc4 Ne7 22.Ne5 Ne5 23.Be5+/-) 21.dc6 Qd8+=) 20.Qb2= cd5 (worse is 20...Nd5 21.Nc4 Qc5 22.Rc1+/-) 21.Rc1 Bc5 22.Nb3 Ba3? (better is 22...Bf8=) 23.Qa3+– Rg8 (23...Qb5?? 24.Ke1 Kd7 25.Nc5 Kd8 26.Qa8 Ke7 27.Qh8+–) 24.Nd4 (24.Qc5!? Qc5 25.Nc5 b6+–) 24...Kd7+/- 25.Qb4 Ra8 26.Nf5 Qe6 27.Ng7?? (better is 27.b6 Ne8 28.Nd4 Qg4 29.Kf1+/-) 27...Qg4-+ 28.Kf1 Rc8 29.Ra1 Qg7 30.b6? (30.Qd4-+) 30...Ng4 31.h3 (31.Qa4 Ke6 32.h3 Nh2 33.Kg1 Nf3 34.Kh1-+) 31...Qa1 32.Ke2 Qa6 33.Ke1 Rc1 0–1. brozal – ab45ad46, kurnik, 2013.

11.Ne2 c5 12.bc5 Bc5 (12...Qa6 13.Bb2 Nd7 14.0-0+=) 13.0-0 (13.c4 Ne7 14.cd5+/- (14.Bg7?! Rg8 15.Bd4 Bd4 16.Nd4 dc4+=)) 13...Qa6= 14.Bb2 Nf6 15.Qb3?? (better is 15.c4 dc4 16.Bf6 Qf6 17.Qa4 Qc6 18.Qc4+=) 15...Qe2-+ 16.Ba3? (16.c4 Qc4 17.Qb7-+) 16...Ba3 17.Qa3 Nc6 18.Qd6 Rg8 (18...h5!? 19.Na3 Rh6 20.h3-+) 19.h3 Rh8 (better is 19...Na5!? 20.Na3 Qa6 21.Qc7-+) 20.Na3 h6?? (20...Qa6 21.Rb1 Nd8=) 21.c4?? (21.Rb1 Na5 22.Nb5+–) 21...dc4?? (21...Nd7 22.Rb1 A) 22...dc4? 23.Rb7 Ncb8 24.Rc7+– (24.Rb8?! Nb8 25.Qb8 Ke7 26.Qh8 c3 27.dc3 Qd1 28.Kh2 Qd6 29.g3 Qa3 30.Qg7 Qd6+–); B) worse is 22...Qd2 23.Rb7 Ncb8 24.Nb5+– (24.Rb8?! Nb8 25.Qb8 Ke7 26.Qh8 Qc1 27.Kh2 Qa3+/-); C) 22...h5 23.Rb7 Qd1 24.Kh2 Ncb8+–) 22.Nb5+– Nd7 (22...Qf1 23.Kf1 Nd7+–) 23.Ra1 Ncb8 (23...f6 24.Nc7 Kf7 25.Qd7 Ne7+–) 24.Ra8 (24.Nc7 Kd8 25.Ra8 Qd1 26.Kh2 Qh1 27.Kh1 Kc8 28.Nd5 Ne5 29.Rb8) 24...Qe1 25.Kh2 f6 26.Rb8 (better is 26.Qe6!? Kd8 27.Nc3 Qd2+– (27...Qf2 28.Nd5 Qg2 29.Kg2 c3 30.Qd6 cd2 31.Rb8)) 26...Nb8 27.Qb8 Kf7 28.Qh8 Qd2 29.Qc8 Qd3?? (better is 29...Qd5 30.Qc4! Qc4 31.Nd6 Ke7 32.Nc4 b5+–) 30.Qb7+– Kg6 31.Qc6 Kh5 (31...Kh7+–) 32.Nd6 (32.Qe8 Kg5 33.Nd4 h5 34.g4 hg4 35.hg4 f5 36.Qf7 g6 37.f4 ef3 38.Ne6 Kg4 39.Qg6 Kh4 40.Qg5) 32...Kg6 33.Qe4 (better is 33.Nc4!? Kh7+–) 33...Qe4 34.Ne4 f5 35.Nc3 Kg5 (35...Kf6 36.Kg3 g5 37.f4+–) 36.f4 Kh5 37.g3 g5 38.fg5 Kg5 39.Kg2 Kf6 40.Kf3 Ke5 41.g4 fg4 42.hg4 Kf6 43.Kf4 Ke6 44.e4 Kf6 45.e5 Ke6 46.Ke4 Ke7 47.Kd5 Ke8 48.Kd6 Kd8 49.e6 Ke8 50.Nd5 White prepares the advance e7 50...Kd8 51.e7 Ke8 52.Nc7 Kf7 53.e8Q Kf6 54.Qf8 Kg5 55.Qf5 Kh4 56.Nd5 Kg3 57.Qf4 Kh4 58.Ke5 Kh3 59.Kf5 White plans g5 59...Kh4 60.Qh6 Kg3 61.Qf4 Kh4 62.g5 Kh5 63.Qh2# 1–0. sun2012 – ab45ad46, kurnik, 2014.

11.Ne2 Nf6 12.0-0 Bd6 (12...Nbd7 13.Qa4 Bd6 14.c4 Qb4 15.Qb4 Bb4 16.cd5 cd5 17.Bd4-/+) 13.Nd4 (better is 13.c4!? Qd8 14.Bf6 Qf6 15.cd5+=) 13...Qc7 14.g3 0-0 15.Nf5 Nbd7 16.Na3 Ra8 17.Nc2 Bf8 18.Ncd4 g6 19.Nh4 Ra2 20.f4 Bg7 21.Rf2 b6 22.Qb1 Ra8 23.Bb2 c5 24.bc5? (better is 24.Ne2-+) 24...bc5 25.Nb3? (25.Ne2-+) 25...Rb8 26.Nc1 (26.Na1 Qb6-+) 26...Ng4 (better is 26...Qb7!? 27.d4 Ng4 28.Re2 Ne3 29.Qa2-+) 27.Re2 Qb6 (better is 27...Qb7 28.h3 Ne3 29.de3 Bc3-+) 28.d3 (28.h3 Qb2 29.Qb2 Rb2 30.hg4-+) 28...Bc3! 29.de4 (29.Bc3 d4 Double attack (29...Qb1 Pinning; 29...Qb1 Deflection; 29...d4 Decoy)) 29...de4 30.Qe4 Bb2 31.Nd3 (31.h3 Bc1 32.hg4 Qa6-+) 31...Qa6 32.Rd2 (32.Qf3 Qd3 33.Qg4 c4-+) 32...Ndf6 33.Qe7 (33.Qf3 Ne3! 34.Qe2 Bd4-+) 33...Ne3! 34.Rb2 Qa1 35.Kf2 Rb2 36.Nb2 Nfg4 37.Kf3 Qf1 38.Ke4 f5 0–1. mete61 – ab45ad46, kurnik, 2013.

8.Na3 Nd7 9.Nf3 Ngf6 10.Qa4 Qd8 11.Be2 e6 12.0-0 Bd6 13.h3 (13.Nd4 Bg6=) 13...0-0 14.Nh4 Bh3 15.gh3 Ne4 16.Nf3 Ne5 17.Ne5 Be5 18.d3 (18.d4 Qg5 19.Bg4 h5=+) 18...Qh4 (better is 18...Nc3 19.Bc3 Qg5 20.Kh1 Bc3+=) 19.Bg4 (better is 19.c4 Qg5 20.Kh1 Nf2 21.Rf2 Ba1 22.Rf3+/-) 19...f5-/+ (< 19...Nc3 20.Qc2 f5 21.Bc3 Bc3 22.Qc3 fg4 23.Qd4 Qh3 24.Qe5=) 20.Qd1 (20.de4 fg4 21.f4 gf3-+) 20...fg4 21.Qg4 Qg4 22.hg4 Ra8 (23.de4 Ra3 24.ed5 cd5-/+) 0–1. Gerold,Guenter – Poschmann,Hans, corr ICCF T–703–19–2, 1983.

8.c4? Qb4-+ 9.Nc3 dc4 10.Qa4 (better is 10.e4!? Bg6 11.Nf3-+) 10...Qa4 11.Na4 b5 12.Nb6 f6 13.d4 cd3 14.Kd2 e5 15.Bd3 Bd3 16.Kd3 Bc5 17.Na8 Kd8 (17...Nh6 18.Bc3 Kd7 19.Ba5-+) 18.Nf3 (18.Bc3 Ke7 19.Nf3 Nh6-+) 18...Kc8 19.Rc1 Ba7 (19...Nd7!? 20.Rd1 Ne7 21.Kc2-+) 20.Ne5 fe5 21.Be5 Nf6 22.Nc7 Kb7 23.Ne6 Re8 24.Bf6 gf6 25.Ng7 (25.Nd4 Bd4 26.ed4 Na6-+) 25...Re7 (25...Rg8!? 26.Nf5-+) 26.Nf5 Rd7 27.Ke4 Rd2 28.Kf3 Nd7 29.Kg3 b4 30.Rb1 c5 31.Ne7 Ne5 32.f4 Nd3 (32...Nc6!? 33.Ng8 Rd6 34.Nh6-+) 33.Nd5 Rb2 34.Rb2 Nb2 35.Kf2 Nd3 (35...f5 36.Ke2-+) 36.Ke2 c4 37.Nf6 b3 38.Ne4 Kc6 39.f5 Kd5 40.Nc3 Ke5 41.g4 Bc5 42.Nb1 Bb4 0–1. Mosley,Gene – Huntley,Theron (1695), IECG, 2005.

8.Be2 Bb1 9.Qb1 (9...e5 10.Nh3=) =. van Rooijen,Peter – Goudreau,Alex, corr ICCF EM/C/A054, 1998.

8.Nf3 Bb1 9.Qb1+/- Nf6 10.Bd3 e5 (better is 10...e6!?+=) 11.Ne5+– Bd6 12.Nf3 0-0 13.0-0 Nbd7 14.Be2 Ne5 15.Nd4 Ne4 16.d3?? (better is 16.Qa2+/-) 16...Nd2+= 17.Qa2 Nf1 18.Bf1 Qd8 19.Qb3 Qg5 (19...Qf6 20.Be2-/+) 20.c4 (20.f4 Qh5 21.fe5 Qe5+=) 20...dc4 21.dc4 h6?? (better is 21...Ng4 22.Nf3 Qe7+=) 22.c5+– Bb8 23.Bc3?? (better is 23.f4 Qf6 24.fe5 Be5 25.Qd1+–) 23...Ng6 24.Nf3 Qg4 25.Be2 (25.b5 Nh4 26.Nh4 Qh4=) 25...Qh5 (better is 25...Nh4!? 26.Nh4 Qe2-/+ (26...Qh4?! 27.g3 Qe7 28.Qb2=)) 26.g3 Qd5 (26...Ne5 27.Kg2=) 27.Qd5 cd5 28.Bd4 Bc7 29.b5 Ra8 30.b6 Bb8 31.Bd3 Ra1?? (31...Ne7 32.Bc2+=) 32.Kg2 (32.Ba1 Nf8 33.Bf5 g6+–) 32...Ne7?? (better is 32...Rd1 33.Bc2 Rc1+=) 33.Ba1+– Nc6 1–0. ioo – wojtekkk, kurnik, 2014.

8.Nf3 e6 9.d3 Bd6 =.

8.Nf3 Nf6 (--> 7.Nf3 Nf6 8.e3 Bf5).

9.Nf3 Bd6 10.Qa4=+.

9.Nf3 Bd6 10.Nc2 Na6 11.Be2 Nf6 12.c4 Bc2 13.Qc2 Nb4 14.Qb1 Nd7 15.0-0 0-0 16.d4 ed4 17.Bd4 c5 18.Bc3 g6 19.Rd1 Ra8 20.Bb2 (20.Bb4!? cb4 21.cd5+=) 20...Qc6 21.h4 dc4 22.Bc4 Nb6 23.Qc1 Nc4 24.Qc4 Rd8 25.Rd2 Rf8 26.h5 b5 27.Qh4 Bc7 28.hg6 Qg6 (worse is 28...fg6 29.Ng5 h5 30.Nh7+=) 29.Be5 Ba5 30.Rd6 f6 31.Rf6 Rf6 32.Bf6 Bc7 33.Be5 Bd6 34.Qd8 Bf8 35.Qd7 Qc6 36.Qh3 Nd3 37.Bc3 b4 (37...Nc1 38.Ne5 Qd5 39.Qg4 Bg7+/-) 38.Qg4+/- Qg6 39.Qc4 Qf7 40.Qd3 c4 41.Qc2 bc3 42.Ne5 Qd5 43.Qc3 Qd1 44.Kh2 Qh5 45.Kg3 Bd6 46.Qc4 Kg7 47.f4 Be5 48.fe5 Qe5 49.Qf4 Qa5 50.e4 Qe1 51.Kh2 Qb4 52.Kh3 Qb6 53.Qg5 Kf7 54.Qf5 Kg7 55.e5 Qh6 56.Kg4 Qc6 57.g3 Qa4 58.Kh3 Qb5 59.Qg5 Kf8 60.Kh4 Qb2 61.Qf5 Kg7 62.Qf6 Kg8 63.Qg5 Kf8 64.Qf6 Kg8 65.Qf4 Kg7 66.Kg5 Qh2 67.Qf6 Kg8 68.Qd8 Kf7 69.Qc7 Ke8 70.Qc8 Ke7 71.Qc7 Ke8 72.Qc6 Ke7 73.Qd6 Ke8 74.Qe6 Kd8 75.g4 Kc7 76.Qc4 Kd7 77.Qd5 Kc8 0–1. Wantoch_Rekowski,Jacek (2220) – Shipman,Joseph (2240), WS/M/239 ICCF, 2009.

9.Nf3 Bd6 10.Be2 =+.

9.Nf3 Nd7 10.Qa4 Ngf6 11.Qa8 Ke7 12.Be2 g6 13.0-0 Bg7 14.Qa4 Ne4 15.b5 Bg4 16.d3 (16.d4 Qc7=) 16...Bf3+= 17.gf3 Nd6 (17...Nec5 18.Qb4 Ra8 19.d4-/+) 18.Rb1 (18.d4 Rc8=) 18...c5 (18...Nc5 19.Qb4 Ne6 20.Qa4+=) 19.c4 (19.f4 ef4 20.ef4 Re8=) 19...d4 20.Bb2 f5 21.Bc1 (21.Nc2 Kf7=) 21...h5 (21...Kf7 22.e4+=) 22.Bd2 Bf6 23.Bd1 Qc7 24.Ba5 (24.ed4!? Nb6 25.Qc2 ed4 26.f4=) 24...Nb6+= 25.Qb3 g5 (25...Ra8 26.Bd2+=) 26.Be2 (26.Ra1 g4 27.Nc2 Kf8=) 26...g4 27.Bd2 Rg8 28.Kh1 Bh4 29.Rf1 Ke8 30.fg4 hg4 31.Be1? (better is 31.ed4 ed4 32.Nc2+=) 31...Qh7-+ 32.Qd1?? (better is 32.Qb2 Rh8 33.Bd1-+) 32...Rh8 33.Bg4 de3 (33...fg4 34.Qe2 de3 35.fe3 Be1 36.Re1-+) 34.Qe2 (34.Bh5 Qh5 35.Qh5 Rh5 36.fe3-+) 34...fg4 35.Qe3 (35.Bc3 Nd7 36.Qg4 Qd3 37.Qe6 Be7 38.Kg2 Qc3 39.Nb1-+) 35...Bf6 36.Qg3 Nf5 37.Qg2 (37.Qg1 Nd4 38.f3 Nf3 39.Rf3 gf3-+) 37...Nd4 38.Bd2 (38.f4 gf3 39.Qg3-+) 38...Nf3 0–1. Leon Manas,JF (1705) – Suarez Buceta,M, 1st Torneo Memorial Jose Raul Capablanca, 2013.

9.f4 Nd7 10.Nf3 =+.

9.Qa4 Nf6=+ 10.Nf3 Bd6 11.Be2 (11.Nh4 Bg4=+) 11...0-0 12.0-0 (12.Nh4 Bg4 13.f3 Bh5=+) 12...Nbd7 (12...e5 13.d3=+) 13.Nh4 Qc7 (13...Bg4 14.f3 Bh5 15.g4=+) 14.Nf5= Bh2 15.Kh1 ef5 16.Qc2 (16.c4 dc4 17.Qc2 Bd6 18.Nc4 f4-/+) 16...f4-/+ 17.Kh2? (17.c4 fe3 18.de3 Be5-/+) 17...f3 18.Kg1 Ng4 19.g3 fe2 20.Re1 Qe5 21.Re2 f5 (21...Qh5 22.f3 Nge5 23.Rg2-+) 22.d4 (22.d3 Ra8 23.Bb2 Qe7=+) 22...Qd6 (22...Qe6 23.Qd3-/+) 23.Bb2 (23.Qd3 Ra8 24.Bb2 Qg6-/+) 23...Qh6 (23...Nb6 24.Qd3-/+) 24.f3 Ne3 25.Qd3 f4 26.gf4 (better 26.Rh2!? Qg5 27.Qh7 Kf7 28.g4-/+) 26...Nf5-+ 27.Bc1 Qh3 28.Rh2 (28.Nc2-+) 28…Qg3 (28...Qg3 29.Rg2 Qe1 30.Qf1 Qc3-+) 0–1. Stoehr – Kummerow,Heiko, Oberliga NRW, 1986.

9.Qa4 Nf6=+ 10.Nf3 Be7 11.Be2 h6 (11...0-0 12.0-0=+) 12.Nc2 (12.0-0 0-0=) 12...0-0 (12...Qc7 13.0-0=) 13.0-0 Nbd7 14.d3 Qc7 15.Bb2 (15.Ncd4 Bh7=) 15...e5 (15...c5 16.bc5 Nc5 17.Qb5=+) 16.Ra1= Bd6 17.g3 (17.c4 dc4 18.dc4 Bc2 19.Qc2 Bb4=+) 17...Be6 (17...Re8 18.Qb3=+) 18.c4 b5 19.Qa2 (19.Qa6 bc4 20.dc4 Bf5=+) 19...dc4 20.dc4 Nb6 21.Nd2 Nfd7 22.Qb3 Rb8 23.Na3 Nc4 24.Nac4 bc4 25.Bc4 Rb4 26.Ra8 Nf8 27.Qa2 Qb7 28.Bc3 Rc4-+ 29.Nc4 Bc4 30.Rf8 Kf8 31.Qc4 Qb5 32.Qa2 Ke7 33.Qa7 Ke6 34.Qa8 Bb8 35.Qa2 Ke7 36.Qa3 Bd6 37.Qa7 Ke6?? 38.Qa8 Bb8?? 39.Qa2 Ke7?? 40.Qa3 c5 41.Kg2 Qc6 42.f3 Bd6 43.Qa1 Ke6 44.e4 c4 45.h4 h5 46.Qa2 g6 47.Qe2 Qc5 48.g4 Bc7 49.gh5 gh5 50.Kh3 f6 51.Qg2=+ Kf7 52.Qe2 Bb6 53.Qd2-/+ Qc8 54.Kh2 Bd4 55.Bb4? c3 56.Qa2 Kg6 57.Qd5? c2 58.Bd2 Bb2 59.f4 c1Q 60.f5 Kg7 61.Bc1 Bc1 62.Kg2 Qc2 63.Kf3 Qd2 64.Qb7 Kh6 65.Qa8 Qe3 66.Kg2 Qe2 67.Kg1 Be3 (68.Kh1 Qf1 69.Kh2 Bf4) 0–1. Schewe,B – Lipinsky,Fabian, BL2–N, 1996.

9.Nc2 Bd6 10.Nd4 Bg6 11.Nge2 Bd3 12.Ng3 Bf1 13.Nf1 Ne7 14.Ng3 0-0 15.0-0 Nd7 16.Qg4 Ne5 17.Qh3 c5 18.bc5 Bc5 19.Nf3 (19.Qh4!?=+) 19...Nf3-/+ 20.gf3 Qc6 21.Qg2 Ng6 22.Nh5 (22.Rb1 Ra8-/+) 22...f6 (22...Ra8 23.Rb1-/+) 23.Kh1 Rf7 (23...Ra8 24.Rg1-/+) 24.Rg1 b5 25.h3 Qb7 (25...Ra7 26.Ng3-/+) 26.f4 Nh4 (27.Qg3 d4 28.f3 Nf3 29.cd4 Ng1 30.Kg1 Be7-+) 0–1. Lozinski – Mus,Roman, corr 1. AMM Poland, 1991.

9.Nf3 Bd6 =.

9.Nf3= Be7 10.Be2 Nh6 (10...Nd7 11.0-0=) 11.0-0 (11.d3 0-0=) 11...Nd7 12.Qa4 (12.d3 e5=) 12...0-0+= 13.h3 (13.Nc2 e5+=) 13...e5 14.d3 Rd8 15.Rd1 e4 16.de4 Be4 17.Nd2 Bg6 18.Nf3 Re8 19.Nc2 Qc7 20.Qb3 (20.Ncd4 b5 21.Qa5 Qb7 22.Nc6 Qc6 23.Qb5 Qc7 24.Qd5 Rd8=) 20...b5+= 21.Bb2 Ra8 22.Ncd4 Nb6 23.Ra1 Ra1 24.Ba1 Nf5 25.Qa3 Bf6 26.Qa6 Nd6 27.Nd2 Ne4 28.Ne4 Be4 29.Bb2 (29.Nb3 Be5+=) 29...h6 30.Bc1 Be5 31.h4 (31.Bb2 Bh2 32.Kf1 Bd6+=) 31...Bh2-/+ 32.Kf1 Bd6 33.h5 Be7 (33...Be5 34.Kg1+=) 34.Kg1 Bf6 35.Bd2 Be5 36.f3 Bh7 ½–½. marekt – Tihomir Glowatzky, ChessWorld.net, 2008.

9.Nf3= Nf6 10.Bb2 Bd6 11.Be2 (11.Nh4 Bg4 12.f3 Bh5=) 11...0-0 (11...e5 12.Nc2=+) 12.0-0 (12.Nh4 Bg6=) 12...Nbd7 (12...e5 13.d3=+) 13.Qb3 (13.Nh4!?=) 13...Nc5-/+ 14.Qa2 Nd3 15.Nd4 Be4 16.Nb3 (16.f3 Bg6-/+ (16...Nb2?! 17.fe4 Na4 18.ed5 ed5 19.Nf5=)) 16...Qc7 17.g3 h5 (17...Ra8 18.Ra1-/+) 18.Bd3 (18.Nc1 Nb2 19.Qb2 Ra8-/+) 18...Bd3 19.Rd1 (19.Ra1 h4 20.Nc1 Bf5-/+) 19...h4 20.f4 (20.Nc5 Bc5 21.bc5 Ne4-+) 20...e5 (20...hg3!? 21.hg3 Ra8 22.Kf2-+) 21.Nc1-/+ Bg6 22.Qb3 (22.c4!? hg3 23.hg3-/+) 22...Qd7 23.d3? (23.fe5 Be5 24.c4 Bb2 25.Qb2 hg3 26.hg3-+) 23...Qh3 24.Re1 (24.Rd2 hg3 25.Nc2 ef4 26.hg3 f3-+) 24...Ng4 25.Qc2 hg3 26.hg3 (26.Qg2 gh2 27.Kh1 Qg2 28.Kg2 ef4 29.ef4 Bf4 30.b5-+) 26...Qg3 (27.Kf1 Nh2 28.Qh2 Qh2-+) 0–1. Hasler,Ulrich – Pommerel,Wim, CiF, 1989.

9.Nf3 Nf6 10.Be2 Bd6 11.0-0 0-0 12.Nh4= Be4 13.d3 Bg6 14.Ng6 (14.Nc2 e5=) 14...fg6 15.Nc2 Nbd7 (15...Qc7 16.f4=) 16.Qd2 (16.f4 e5 17.fe5 Be5+=) 16...Qc7+= 17.f4 (17.Nd4 Bh2 18.Kh1 Qb8+=) 17...e5 18.c4 dc4 (18...ef4 19.c5 Be5 20.Be5 Ne5 21.Rf4+=) 19.dc4+= ef4 20.ef4 (20.c5 Be5 21.ef4 Ba1 22.Na1 b5+=) 20...Ne4 (20...g5 21.c5 Bf4 22.Bc4 Kh8-/+) 21.Qe3+/- Re8 22.c5 Ndc5 (22...Be7 23.Bc4 Kh8 24.Bf7+–) 23.bc5 Bc5 24.Bd4 Nd6 (24...Bd4!? 25.Bc4 Kh8 26.Nd4 Nd6+–) 25.Bc4! (25.Bc5?! Re3 26.Ne3 b6+=) 25...Kh8 (25...Nc4 26.Qe8) 26.Bg7 (26…Qg7 27.Qc5 Nc4 28.Qc4+–; 26.Bc5?! Re3 27.Ne3 Nc4 28.Nc4 h6+=) 1–0. Hind,Alan – Larsson, corr 3GMM–22, 1995.

9.Nf3 Nf6 10.Be2 Bd6 11.0-0 Nbd7 12.Nc2 (12.Nh4 Bg6=) 12...0-0 (12...e5 13.d3=+) 13.Ncd4 (13.Nfd4 Bg6=+) 13...Bg6 (13...Bg4 14.h3 Bh5 15.Qa4=+) 14.Nh4= Qd8 (14...e5 15.Ndf5 Bf5 16.Nf5=) 15.f4 Ne4 (15...Qe8 16.d3=) 16.Nhf3 (16.Ng6!? hg6 17.d3+=) 16...e5= 17.fe5 Ne5 18.Ne5 Be5 19.Nf3 (19.d3 Nf6=) 19...Bd6 20.d3 (20.b5 Qc7=+) 20...Nf6 21.c4 (21.Qd2 Qe7=+) 21...dc4 22.dc4 Bb4 23.Qb3 c5 (23...Bc5 24.Qb7 Be3 25.Kh1-/+) 24.Rd1 (24.Nh4 Re8 25.Ng6 fg6=+) 24...Qe7-/+ 25.Be5 (25.Ne5 Bf5-/+) 25...Ne4-+ 26.Bd3 (26.Bf1 Nd2! 27.Nd2 Qe5-+) 26...Rd8 27.Bf4? (27.Be2 Ra8-+) 27...f6 (better 27...Nc3 28.Bc2 Nd1 (28...Rd1?! 29.Bd1 b5 30.cb5-+) 29.Bd1 Rd3-+) 28.Bb1?? (better 28.Bf1-+) 28…Rd1 (28...Rd1 29.Qd1 Nc3-+) 0–1. Semmler,Reinhardt (1740) – Kropman,Alexei (1945), Berlin Hellersdorf op, 2010.

9.Nf3 Nf6 10.Be2 Bd6 11.0-0 e5 12.d4 e4 13.Ne5=+.

9.Nf3 Nf6 10.Be2 Bd6 11.Nh4 Bg6=.

9.Nf3 Nf6 10.Nh4 Bg4 11.f3 Bh5 =.

9.d4 e6-/+ 10.Qa4 (10.Bb2 Bd6-/+) 10...Bd6 11.Nf3 0-0 (11...Ne4 12.Nc2=+) 12.Be2 (12.Nh4 Bg4=+) 12...Nbd7 13.Qb3 (13.Nh4 Bg4 14.f3 Bh5=+) 13...Ra8-/+ 14.0-0 (14.Nh4 Bg4 15.f3 Bh5=+) 14...Bg4 (14...c5 15.c4-/+) 15.h3 (15.Nc2 Ne4 16.Rd1 Ng5-/+) 15...Bh5 (15...Bf3 16.gf3 c5 17.dc5 Nc5 18.Qb2-/+) 16.Re1 (16.Nc2 Ne4 17.Rd1 Ng5-/+) 16...Ne4 (16...c5 17.Nc2-/+) 17.Ne5 (17.Ng5 Bg6 18.Ne4 Be4-/+ (< 18...de4 19.Nc4 Qc7 20.Nd6 Qd6 21.c4+=)) 17...Be5 (17...Be2 18.Nd7 Qa6 19.Bb2-/+) 18.Bh5 Bb8 19.Bb2 Qc7 (19...c5 20.dc5 Ndc5 21.Qc2-/+) 20.f4 g5 (20...Qd8 21.Bg4 Qh4-+) 21.Bc1=+ gf4 22.ef4 Qd8 23.Bd1 Qh4 24.Rf1 b5 25.Qc2 Qg3 26.Rf3 Qe1 27.Kh2 Ra3 28.Ba3 Bf4! 29.Rf4 Deflection from g3 29...Qg3 Theme: Double Attack 30.Kg1 Qf4 31.Bc1 Qg3 32.Bf3 Qe1 33.Kh2 Ndf6 34.Bh6 Qg3 35.Kg1-/+ Ng5 36.Qe2 Qh4 37.Bg5-/+ Qg5 Black gets the initiative 38.Kf2 Qf4 39.Qc2 Ne4 40.Ke2 Kg7 41.Kd3 Ng5 42.Qe2 Nf3 43.gf3 Qf5 44.Kd2 Qh3 45.Qe5 Kg6 46.Ke3 Qf5 47.Qh8? h5 48.Qg8 Kf6 49.Qh8 Kg5 50.Qd8 Qf6 51.Qg8 Kh6 52.Kf2 h4 53.Qb8 Qg7 54.Qf4 Kh5 55.Kf1 h3 56.Qh2 Qg2 57.Qg2 hg2 58.Kg2 Kg5 (59.Kf2 Kf4-+) 0–1. Schuehler,Ernst – Hobusch, corr, 1973.

9.Nf3 e6 10.d4 Bd6 11.Qa4 0-0 12.Be2 Nbd7 13.0-0 Qc7 A) 14.Bb2 A1) 14...Be4 15.h3 b5 16.Qb3 Ra8 17.Nh4 h6 18.Nf3 Nb6 19.Ra1 Nc4 20.Nc4=+; A2) 14...b5 15.Qb3 (15.Qd1 Ra8 16.Bd3 Be4 17.h3 Nb6 18.Be4 Ne4 19.Qc2 Ra4 20.Ra1-/+) 15...Ne4 16.Ra1 Ndf6 17.h3 Bg6 18.Ra2 Bh5 19.Qc2 Re8 20.Nb1=+; A3) 14...Nb6 15.Qb3 Be4 16.h3 Ra8 17.Ra1 Ra4 18.Nd2 Bf5 19.b5 c5 20.dc5-/+; B) 14.h3 B1) 14...Be4 15.Qd1 (15.Ng5 b5 16.Qb3 Ra8 17.Bb2 Bf5 18.Ra1 e5 19.Nf3 e4 20.Nd2-/+; 15.Nd2 b5 16.Qb3 Bf5 17.Bb2 Ra8 18.Ra1 Ne4 19.Ne4 Be4 20.Nb1-/+; 15.Bb2 b5 16.Qb3 Ra8 17.Nh4 Bh2 18.Kh1 h6 19.Ra1 Bd6 20.Nf3=+; 15.Qb3 Qb6 16.Nd2 Ra8 17.Bb2 Bf5 18.Rd1 Ne4 19.Ne4 Be4 20.b5-/+) 15...Ra8 16.Bb2 Nb6 17.Qd2 Bg6 18.Ra1 Ne4 19.Qd1 Qe7 20.Bd3=+–; B2) 14...h6 15.Qb3 (15.Bb2 b5 16.Qb3 Ra8 17.Ra1 e5 18.de5 Ne5 19.Nd4 Be4 20.Qd1=+) 15...Qb6 16.Qa4 Re8 17.Bb2 e5 18.de5 Ne5 19.Rd1 Qc7 20.c4=+; B3) 14...Bg6 15.Bb2 (15.Qb3 b5 16.Bb2 Ra8 17.Nh4 Ne4 18.Bc1 Nf8 19.Ng6 Ng6 20.Bd3=+; 15.Nh4 Ne4 16.Qd1 Ra8 17.Qc1 Nf8 18.Ng6 Ng6 19.Bd3 f5 20.Bb2=+) 15...b5 16.Qb3 Be4 17.Ra1 Bf3 18.Bf3 Ra8 19.Qc2 e5 20.Qf5=+; B4) 14...b5 15.Qb3 (15.Qd1 Ra8 16.Bb2 Ne4 17.Qb3 Qd8 18.Ra1 Qf6 19.Ra2 Qg6 20.Nh4-/+) 15...e5 16.Bb2 Ra8 17.Ra1 e4 18.Nd2 Be6 19.Ra2 Nb6 20.Qc2-/+; C) 14.Qb3 C1) 14...b5 15.Bb2 (15.h3 e5 16.Bb2 Ra8 17.Ra1 e4 18.Nd2 Nb6 19.Nc2 Ra1 20.Ba1=+; 15.Nc2 Ra8 16.Bb2 Ne4 17.Ra1 Ra1 18.Na1 Nb6 19.h3 Nc4 20.Bc4-/+) 15...Ne4 16.Ra1 Ndf6 17.h3 Bg6 18.Nc2 Bh5 19.Nce1 Nd2 20.Qa2=+; C2) 14...Ne4 15.Bb2 (15.c4 Bg4 16.Qb2 dc4 17.Bc4 Bf3 18.gf3 Nef6 19.f4 Nd5 20.Nc2=+; 15.Rd1 b5 16.Bb2 Ndf6 17.h3 Re8 18.Bd3 Bg6 19.Qc2 Ra8 20.Ra1=+; 15.h3 b5 16.Qb2 Qd8 17.Qb3 Qf6 18.Bb2 Ng5 19.Ne1 Nh3 20.gh3-+) 15...Bg4 16.Qc2 Ra8 17.h3 Bf3 18.Bf3 Ndf6 19.Ra1 b6 20.Be2=+; C3) 14...Ra8 15.h3 (15.c4 Ng4 16.h3 dc4 17.Bc4 Ngf6 18.Bb2 Nb6 19.Be2 Qe7 20.Nc2-/+) 15...b6 16.Nh4 Ne4 17.Qb2 Ndf6 18.Nf5 ef5 19.Bd3 Qe7 20.Nc2=+; C4) 14...Be4 15.h3 b5 16.Nh4 h6 17.Nf3 e5 18.Bb2 Ra8 19.Ra1 Bf5 20.Ra2=+.

9.Nf3 e6 10.d4 Bd6 11.Qa4 0-0 12.Be2 Nbd7 13.0-0 Be4 A) 14.Bb2 Qc7 15.h3 b5 16.Qb3 Ra8 17.Ra1 e5 18.Nh4 h6 19.Nf3 Bf3 20.gf3=+; B) 14.h3 B1) 14...Rc8 15.Bb2 (15.Ng5 Bf5 16.Bb2 Qd8 17.Qb3 Qe7 18.Nf3 Ra8 19.Ra1 Be4 20.Ng5=+; 15.Nd2 Bf5 16.Bb2 Qd8 17.Qb3 b5 18.Ra1 Ra8 19.Nf3 Ne4 20.Qd1-/+; 15.Rc1 Qc7 16.Bb2 b5 17.Qd1 Nb6 18.Qd2 Na4 19.Ra1 Nb2 20.Qb2=+; 15.Nc2 Qd8 16.Qb3 Ra8 17.Bb2 Bf3 18.Bf3 e5 19.b5 Nb6 20.Ra1=+) 15...Qd8 16.Ra1 Ra8 17.Qb3 Qb6 18.Ra2 Ne8 19.Nd2 Bf5 20.b5=; B2) 14...Qc7 15.Nb1 (15.Qb3 b5 16.Nh4 h6 17.Nf3 e5 18.Bb2 Ra8 19.Ra1 Bf5 20.de5=+; 15.Ng5 b5 16.Qb3 Bf5 17.Bb2 Ra8 18.Ra1 h6 19.Nf3 e5 20.de5=+; 15.Nd2 b5 16.Qb3 Bf5 17.Bb2 Ra8 18.Re1 Ne4 19.Ne4 Be4 20.Nb1-/+; 15.Bb2 b5 16.Qd1 Nb6 17.Qd2 Na4 18.Ra1 Ra8 19.Nc2 Ra7 20.Bc1-/+) 15...b5 16.Qb3 Nb6 17.Nbd2 Ra8 18.Ne4 Ne4 19.Bd3 Nc4 20.Qc2=+; B3) 14...Rb8 15.Nd2 (15.Ng5 Bf5 16.Bb2 Qd8 17.Qb3 b5 18.Ra1 Ra8 19.Nc2 Ra1 20.Ba1-/+; 15.Bb2 Qd8 16.Qb3 b5 17.Ra1 Ra8 18.Nd2 Bf5 19.Nf3 Ne4 20.Qd1-/+; 15.Rd1 Qc7 16.Nd2 b5 17.Qb3 Bf5 18.Bb2 Ra8 19.Ra1 e5 20.Nf3-/+) 15...Bf5 16.Bb2 Qd8 17.Qb3 Qe7 18.Nf3 Ra8 19.Ra1 Be4 20.Ng5=+; B4) 14...Rd8 15.Bb2 Qc7 16.Nd2 b5 17.Qb3 Bf5 18.Ra1 Ra8 19.Nf1 Ra7 20.Nd2-/+; C) 14.Nb1 Bf3 (14...Qc7 15.Nbd2 b5 16.Qb3 Nb6 17.Ne4 de4 18.Nd2 Bh2 19.Kh1 Nbd5 20.Qc2=+; 14...Re8 15.Nbd2 Qc7 16.Ne4 de4 17.Nd2 Bh2 18.Kh1 Bd6 19.Qc2 Ra8 20.Ne4=+) 15.Bf3 Qc7 16.h3 b5 17.Qc2 Ra8 18.Nd2 e5 19.de5 Ne5 20.Be2=+.

9.Nf3 e6 10.d4 Bd6 11.Qa4 0-0 12.Be2 Nbd7 13.0-0 Re8 14.Bb2 e5 15.Ra1 (15.h3 Qc7 16.Ra1 b5 17.Qd1 e4 18.Nd2 Ra8 19.Nc2 Ra1 20.Qa1=+; 15.de5 Ne5 16.Nd4 Be4 17.Rd1 Qc7 18.h3 Qe7 19.Qa7 Bb8 20.Qb6=+) 15...Bg4 16.de5 Ne5 17.Qd1 Qc7 18.Nd4 Be2 19.Qe2 b6 20.Nf5=+.

9.Nf3 e6 10.d4 Bd6 11.Qa4 0-0 12.Be2 Nbd7 13.0-0 Re8 14.h3 A) 14...Qc7 15.Nh4 (15.Qb3 b5 16.Nh4 Ne4 17.Qb2 Ndf6 18.Nf5 ef5 19.Bd3 f4 20.Re1=+) 15...Be4 16.Qb3 h6 17.c4 dc4 18.Nc4 Bd5 19.Qb1 Bc4 20.Bc4=+; B) 14...Be4 15.Rc1 (15.Nd2 Bg6 16.b5 c5 17.c4 Qc7 18.cd5 ed5 19.dc5 Nc5 20.Qa7=+; 15.Rd1 Qc7 16.Bb2 b5 17.Qb3 Ra8 18.Ra1 e5 19.Nh4 h6 20.Nf3=+; 15.Ng5 Bg6 16.Nf3 Qd8 17.Bb2 b5 18.Qa6 Qc7 19.Nb1 Nb6 20.Qa2-/+; 15.Bb2 Bf3 16.Bf3 e5 17.de5 Ne5 18.Be2 Ne4 19.Rd1 Nf2 20.Rd4-+) 15...Qc7 16.Bb2 Nb6 17.Qb3 Qe7 18.b5 Bf3 19.Bf3 Qc7 20.Ra1=; C) 14...Qd8 15.Qb3 (15.Bb2 b5 16.Qa7 e5 17.Ra1 e4 18.Nd2 Nb6 19.Qb7 Na4 20.Ra2-/+; 15.Qa7 Qa8 16.Qa8 Ra8 17.Bb2 Nb6 18.Ra1 Na4 19.Nb1 Bb1 20.Rb1-/+) 15...Qe7 16.Bb2 Be4 17.Ra1 Ra8 18.Ng5 Bf5 19.Nf3 b6 20.b5=+; D) 14...Bg6 15.Nh4 (15.Bb2 e5 16.Rd1 ed4 17.Nd4 Ne4 18.Nac2 Qc7 19.Qa5 Nb6 20.Qa2-/+) 15...Be4 16.f3 Bg3 17.fe4 Bh4 18.ed5 ed5 19.Nc2 Qc7 20.c4=+.

9.Nf3 e6 10.d4 Bd6 11.Qa4 0-0 12.Be2 Nbd7 13.0-0 Re8 14.Nh4 Bb8 15.Nf5 (15.Qa5 Bc7 16.Qb6 Nb6 17.Nf5 ef5 18.Nc2 f4 19.g3 fg3 20.hg3=+) 15...ef5 16.Qc2 Qc7 (16...f4 17.ef4 Bf4 18.g3= (18.Re1 Ne4 19.Bd3 Ndf6 20.f3=) 18...Bh6 19.Re1 Ne4 20.Bd3=) 17.g3 Ne4 18.c4 Ndf6 (18...dc4 19.Nc4 Ndf6 20.Rb1=) 19.b5 h5 (19...dc4 20.bc6 (worse 20.Qc4 Nd2 21.Qc2 Nf1 22.Bf1 cb5-/+; 20.Bc4?! Qd6 21.Bb2 Ng4=; 20.Nc4?! cb5 21.Na3 b4 22.Qc7 Bc7=+) 20...Qc6 21.Qc4 Qc4 22.Bc4=) 20.cd5 (20.c5+=) 20...h4 21.Bf3 (21.b6 Qb6 22.dc6 Qc6 23.Qc6 bc6+=) 21...hg3 22.hg3 (worse 22.fg3 Nd5 23.Re1 Qa5-/+) 22...Nf2? (better 22...cd5 23.Qc7 Bc7=) 23.Qf2+– (worse 23.Kf2 Ng4 24.Kg1 Ne3=+) 23...Re3? (better 23...cd5 24.Nc2 Ne4 25.Be4 Re4+–) 24.d6 (24.Qe3 Qg3 25.Bg2 Qe3 26.Rf2 Ng4 27.Bc3 Qf2 28.Kh1 Ne3 29.dc6 Qg2) 24...Qd6 25.Nc4 (25.Qe3 Qg3 26.Bg2 Qe3 27.Rf2 Ng4 28.Nc2 Qf2 29.Kh1 Bh2 30.bc6 Qg1) 25...Ne4 (25...Rf3 26.Qf3 (26.Nd6?! Rf2 27.Rf2 Bd6+=) 26...Qg3 27.Qg3 Bg3 28.bc6 bc6 29.Rf5+–) 26.Nd6 (26.Ne3?! Nf2 27.Kf2 Qg3 28.Ke2 f4=+) 26...Nf2 27.Kf2 (27.Kf2 Rf3 28.Kf3 Bd6 29.bc6 bc6 30.Rc1+–; 27.Rf2?! Bd6 28.bc6 bc6 29.Bc6 Rg3 30.Kf1 Rb3+–) 1–0. Mina,N (2195) – Kostopoulos,Evangelos (2075), Aegean Open, Agios Kirykos GRE, 2004.

9.Nf3 e6 10.d4 Bd6 11.Qa4 0-0 12.Be2 Nbd7 13.0-0 Re8 14.Nh4 Qc7 15.h3 Be4 16.Qb3 h6 17.c4 dc4 18.Nc4 Bd5 19.Qb1 Bc4 20.Bc4=+.

9.Nf3 e6 10.d4 Bd6 11.Qa4 0-0 12.Be2 Nbd7 13.0-0 Re8 14.Nh4 Bg4 15.Bd3-/+ (15.Bg4 Ng4 16.Nf3 Qc7 17.h3 Nh2 18.Nh2 Bh2 19.Kh1 Bd6 20.Bb2-/+) 15...e5 16.Nf5 Bf5 17.Bf5 ed4 18.ed4 Qc7 19.h3 Ne4 20.Qc2-/+.

9.Nf3 Bd6 10.c4 Qb4 (10...Na6 11.Ne5 Qb4 (worse 11...Bb4 12.cd5 f6 13.Nd3+=) 12.Qb4 Nb4-/+ (12...Bb4?! 13.cd5 cd5 14.Bb5 Kf8 15.Nd7 Bd7 16.Bd7=)) 11.Qb4= Bb4 12.Be5 Nf6 (worse 12...Bb1 13.Bg7 (13.Bb8?! Ba2=+) 13...dc4 14.Bh8+–) 13.Nc3 (13.Bf6 gf6 14.Nc3 dc4 15.Bc4 Rg8=) 13...Nbd7=+ 14.cd5 (14.Bf4 dc4 15.Bc4 Nb6=+) 14...Ne5 15.Ne5 Bc3 (15...Nd5 16.Nd5 cd5 17.Bd3 Bd3 18.Nd3=) 16.dc3= Nd5 (16...cd5 17.Bb5 Ke7 18.c4=+) 17.Kd2 (17.c4 f6 18.Nc6 bc6 19.cd5 cd5=) 17...f6 (17...Ke7 18.Bd3 Bd3 19.Kd3=) 18.Nc4 (18.Nf3 Ke7=) 18...Kd7 (18...Ke7 19.Bd3 Bd3 20.Kd3=+) 19.Bd3= Bd3 20.Kd3 b5 21.Rb1? (better 21.Nd2=+) 21…bc4-+ (21...bc4 22.Kc4 Ra8-+) 0–1. Vlugt,LJ – Nelson,MA, corr BPCF v Netherland, 1982.

9.Nf3 Nd7 10.d4 Bd6 11.Be2=+.

9.Nf3 Nd7 10.d4 e4 11.Nfd2 Ngf6 12.h3 Bd6 13.Be2 0-0 14.0-0 Ra8 15.Bb2 Bb8 (15...Ra7 16.Rd1-/+) 16.Re1 (16.c4 Bd6 17.c5 Qc7 18.cd6 Qd6+–) 16...Qc7-/+ 17.Nf1 h5 (17...b5 18.Ng3-/+) 18.Nbd2 (18.c4 Be6=+) 18...b5 19.Rb1 (19.Ng3 Bg6=) 19...Nb6 (19...Qd6 20.Ng3=+) 20.Qd1 g6 21.Nb3 Na4 22.Qc2 Qd7 23.Ra1= Bd6 24.Ra2 Qc8 25.Ba1 h4 26.Qd1? Nc3!-/+ 27.Ra8 Ne2 28.Qe2 Qa8 29.Bc3 Qa3 30.Qc2 Bb4 31.Bb4=+ Qb4 32.Nc5 Qc4 33.Qb2-/+ b4 34.Nd2 Qc3 35.Qa2 Kg7 36.Ndb3 Nd7 37.Nd7 Bd7 38.Nc5-/+ Qa3 39.Qc2 Bc8 40.Qb1 g5 41.Kh2 Kg6 42.Kg1 f5 43.Qc2 Qa1 44.Kh2 Kh5 45.Nb3 Qc3-/+ 46.Qa2 g4 47.hg4 fg4 48.Nc5 g3 49.fg3 hg3 50.Kg3 Qe3 51.Kh2 Qd4 52.Qa7 Bf5 53.Qf7 Bg6 54.g4 Kh4 55.Qe7 Kg4 56.Qd7 Kf3 57.Qh3 Ke2 58.Qg4 Ke1 59.Ne6 Qf2 60.Kh1 Qf3 (61.Qf3 ef3-+) 0–1. Olsen,Birger – Svendsen,Tony, Kirkenes Grand Prix op, 1994.

9.Nf3 Nd7 10.Be2 Nc5 11.Qd1 Nd7=.

9.Be2 e4 10.de4 Be4 11.Nf3 =+.

9.Nf3 Nd7 10.Be2 =+.

10.Nf3 Nd7 =.

11.Ngf3 Nbd7 =.

12.Ngf3 Nbd7 13.0-0 Ra8 14.Bb2 Bd6 15.Rd1 =+.

12.Ngf3 Nbd7 13.0-0 Ra8 14.Bb2 Bg4 15.Ra1 Ra1 16.Ba1 Bd6 =+.

12.Ngf3 Nbd7 13.0-0 Ra8 14.Bb2 Bg4 15.Rc1 Qb5 16.Ra1 Ra1 17.Ba1 -/+.

12.Ngf3 Nbd7 13.0-0 Ra8 14.Bb2 Bg4 15.Rc1 c5 16.b5 (16.h3 Bh5=+) 16...Bf3 (16...Ra5 17.c4 e4 18.de4 de4 19.Bc3-/+) 17.Nf3 (17.Bf3 Qe6=) 17...h6 (17...e4 18.de4 c4 19.Qc2 de4 20.Nd4=) 18.c4 Qd6 (18...d4 19.Ra1 Ra1 20.Ba1=) 19.g3 (19.d4 e4 20.Ne5 cd4 21.ed4 Qe6+=) 19...b6 (19...Ra5 20.Qc3 Ra2 21.Ra1 Ra1 22.Ba1=) 20.Nh4 (better is 20.Nd2 dc4 21.Nc4=) 20...Qc7? (20...dc4 21.Qc4 Qd5 22.Nf5 Qc4 23.Rc4=) 21.Ng2 Qd6 22.f4 e4 23.g4 Ra7 24.Nh4 Ra8?? 25.Nf5+– dc4 26.dc4 Qe6= 27.Rd1 Rd8?? 28.Bf1?? Bf8 29.h3 g6 30.Ng3 Bd6 31.Bg2+/- Bc7 32.Qc2 Ra8 33.Bc1 Re8+= 34.Ba3 Bd6 35.Bb2 Bb8 36.f5 Qe7 37.Ne2 Be5+= 38.Nc3 Rd8= 39.Ra1 Nf8 40.Ra6 Rd3 41.Qc1 N8d7 42.Bf1 Bc3 43.Bc3+= Rd6 44.Qb2 Kg7 45.Ra7 Qe8 46.Rc7 gf5 47.gf5 Qe7 48.Qg2 Kh8? 49.Qg3 Kh7 50.Rc6 Ne8+= 51.Qf4 f6 52.h4 Ne5 53.Be5+/- Qe5 54.Qf2 Kg7 55.Rc8 Rd1 56.Kg2 Nd6=+ 57.Rc7 Kf8 58.Rc6 Ke7 59.Be2 Rd2-/+ 60.Rb6 Kd7 61.Ra6= Nc4 62.Ra7 Kd6 63.Rf7 Ra2 64.Kh3 Rc2 65.h5 Ra2 66.Rg7 Qb2 67.Rg2 Ke5?? 68.Qg3 Kd5 69.Bc4 Kc4+– 70.Rb2 Rb2 71.Qg8 Kb4 72.b6 Ka5 73.Qa8 Kb4 74.b7 Kc3 75.Qa3 Rb3 76.Qb3! Kb3 Decoy theme: b3 77.b8Q Kc3 78.Qb7 Kd3 79.Qd5 Ke3 80.Qc5 Kf4 81.Kg2 Kg4 82.Kf2 Kh5 83.Ke3 Kg4 84.Ke4 h5 85.Qe7 Kg5 86.Qg7 Kh4 87.Qf6 Kh3 88.Qg5 h4 89.Kf3 Kh2 90.Qg2 1–0. NN – KnightStalker, 1993.

12.Ngf3 Nbd7 13.0-0 Ra8 14.Bb2 Bg4 15.Rc1 c5 16.b5 (16.h3 Bh5=+) 16...Bf3 (16...Ra5!? 17.c4 Qd6=+) 17.Nf3 (17.Bf3 c4 18.dc4 Nc5=) 17...h6 (17...e4 18.de4 c4 19.Qc2 de4 20.Nd2 Qb5 21.Bc4=+) 18.c4 Qd6 (18...d4 19.Ra1 Ra1 20.Ba1 de3 21.fe3=) 19.g3 (19.d4 ed4 20.ed4 Rc8+=) 19...b6 (19...Ra5 20.cd5 Nd5 21.d4 cd4 22.Rc8 Bf8 23.ed4=) 20.Nh4 (better is 20.Nd2=) 20...Qc7 (20...Qe6 21.Bf3 dc4 22.Rc4=) 21.Ng2 (better is 21.Nf5!? Bf8 22.cd5+/-) 21...Qd6 22.f4 e4 23.g4 Ra7 24.Nh4 Ra8?? 25.Nf5+– dc4 26.dc4 Qe6= 27.Rd1 Rd8?? 28.Bf1?? Bf8 29.h3 g6 30.Ng3 Bd6 31.Bg2 Bc7 32.Qc2 Ra8 33.Bc1 Re8+= 34.Ne2 Rd8 35.Qb3 Ne8 36.Nc3+= f5 37.gf5 gf5 38.Nd5 Bd6 39.Kf2 Nef6 40.Rg1 Kh8 41.Bb2+= Bf8 42.Qc3 Bg7= 43.Ke2 Rg8 44.Qb3 Qf7 45.Kd1 Nh5 46.Bg7 Ng7 47.Qc3 Ra8 48.h4 Ra7 49.Bh3+= Nf8 50.Nf6 Nfe6 51.h5 Nf8 52.Kc1 Qe6 53.Rd1 Nd7? 54.Nd5 Qf7 Black gets strong initiative 55.Rg1 Nf8 56.Nb6 The passed pawn on b5 quickly leads to threats 56...Qh5= 57.Nc8 Rd7 58.Bg2 Rd3 59.Qg7 Kg7 With the decisive threat Qh2 60.Bf3?? Qg6-+ 61.Rg6 Ng6 62.Bd1 Kf6 63.b6 Re3?? 64.b7+– Rc3 65.Kb2 Nf4?? 66.b8Q Rd3 67.Qb6 Kg5 68.Bc2 Rd2 69.Ne7 e3 70.Ng8 e2 71.Qf6 Kg4 72.Qf5 Kg3 73.Qe5 Rd6 74.Qe3 Kg4 75.Ne7 Rd3 76.Qg1 Kf3 77.Ng6 Nd5 78.Bd3 Ne3 79.Nh4 Kf4 80.Qf2 Kg4 81.Be2 Kh3 82.Qe3 Kh2 83.Nf5 Kh1 84.Qf2 h5 85.Ng3 1–0. NN – KnightStalker, 1993.

12.Ngf3=+ Nbd7 13.0-0 Ra8 14.Bb2 Bg4 (14...Qb5 15.Qc2-/+) 15.Rc1 (15.Ra1 Ra1 16.Ba1 c5=+) 15...c5 16.b5 (16.h3 Bh5=+) 16...Bf3 (16...Ra5!? 17.c4 Qd6=+) 17.Nf3= h6 (17...e4 18.de4 c4 19.Qc2 de4 20.Nd2 Qb5 21.Bc4=+) 18.c4 Qd6 19.g3 (19.cd5 Nd5 20.Qc4 N5b6+=) 19...b6 20.Nh4 Qc7 (20...Qe6 21.Bf3 dc4 22.Rc4=) 21.Ng2 (better is 21.cd5!? Bd6 22.Nf5+/-) 21...Qd6 (21...dc4 22.Qc4 Qb7 23.Nh4=) 22.f4 e4 (22...Ra5 23.cd5 Qd5 24.Rc4=) 23.g4 (23.cd5 Rd8+=) 23...Ra7 (23...dc4 24.dc4 Qe6 25.g5 hg5 26.fg5=) 24.Nh4 (better is 24.Rd1+=) 24...Ra8?? (24...g6!?=) 25.Nf5+= dc4?? (25...Qe6+=) 26.dc4 Qe6= 27.Rd1 Rd8?? 28.Bf1?? Bf8 29.h3= g6 30.Ng3 Bd6 31.Bg2 Bc7 32.Qc2 Ra8 33.Qc3 Bd8? 34.Rd5! White prepares g5 34...h5 35.g5+– h4? 36.Ne4!! Ra2 37.gf6 Bc7 38.Qb3 Ra5 39.Ng5 Qe8 40.Bf3 Nf8 41.Bg4 Ra7 42.Nf3 Ne6 43.Qc3 Ra2 44.Re5 Be5 45.Ne5 Kf8 46.Nc6 Nd8 47.Bf3 Ne6 48.Qe5 Qd7 49.Bd5 Kg8 50.Ne7 Kh7 51.e4 Kh6 52.f5 Qc7 53.fe6 Qe5 54.Be5 Ra4 55.ef7 Kg5 56.f8N Ra3 57.Ne6 Kh5 58.Nf4 Kg5 59.Neg6 Rg3 60.Kf2 Ra3 61.Nh8 Ra2 62.Ke3 Ra3 63.Kd2 Ra2 64.Kc3 Ra3 65.Kb2 Ra7 66.Ne6 Kh5 67.Nf8 White plans f7 Kg5 68.Be6 Kh5 69.Bg4 Kg5 70.f7 Ra2 71.Ka2 Kh6 72.Bf4 Kg7 73.Ne6 Kh8 74.f8N Kg8+– 75.Bd6 Kf7 76.e5 Kg8 77.Bh5 Kh8 78.Ng6 Kh7 79.Bf8 Kg8 80.Ne7 Kh8 81.Nf5 Kg8+– 82.Bg7 Kh7 83.Ng5 Kg8 84.Bf7 1–0. NN – KnightStalker, 1993.

9.Nd2 Nf6 10.Ngf3 (--> 7.Nf3 Bf5 8.d3 Nf6 9.Nbd2 e6 10.e3).

9.Nf3 Qa7 10.Nbd2 Bd6 11.e4 Bg4 12.Be2 Nd7 13.c4 Bf3 14.Bf3 (< 14.gf3 Ngf6=+) 14...Ne5 (14...Ngf6 15.c5 Be5 16.0-0+=) 15.0-0+= Nf6 16.ed5 cd5 17.cd5 Nf3 18.Qf3 e5? (better is 18...Nd5 19.Nc4 Qb8 20.Nd6 Qd6+=) 19.d4 ed4 20.Ne4 Be7 (20...Qb6 21.Nf6 gf6+–) 21.d6 Bd8 22.d7! Kd7 (22...Nd7 23.Nd6) 23.Qh3 (23.Qf5!? Ke7 24.Nf6 gf6 25.Qe4 Kf8 26.Bd4 b6+–) 23...Ke7 24.Nf6 Kf6 25.Qf3 Ke7?? (25...Kg5 26.Qd5 f5 27.Bd4 Qa6 28.Bg7 Re8+–) 26.Re1 Kd6 27.Qf7 Kc6 28.Qc4 Kd7 29.Qe6 Kc7 30.Rc1 (30...Qc5 31.Rc5 Kb8 32.Rc8 Ka7 33.Qa2 Kb6 34.Qa5) 1–0. pereira – Nightwish, internet, 2006.

9.Na3 e5 10.Nc2 =+.

9.Na3 e5 10.Be2 Bd6 11.Nf3 Nbd7 12.0-0 0-0 13.Qd2 Ra8 14.Bb2 h6 15.Ra1 Qd8 16.c4 Qe7 17.c5 Bc7 18.Nh4 Bh7 19.f4 ef4 20.ef4 Bf4!-+ 21.Qe1 Re8 22.Nc2 Qe2 23.Rd1 Qc2 (24.Qe8 Ne8-+) 0–1. Raimondi – agrillage, internet, 2005.

9.Na3 e6 10.Qb3 (10.Nc2 Bd6=+) 10...Na6 11.d4? (better is 11.Be2=+) 11...Nb4!-+ 12.cb4 (12.Qb4 Bb4) 12...Qb4 Theme: Double Attack 13.Qb4 Bb4 14.Kd1 Ba3 15.Be2 (15.f3-+) 15...Ne4 16.g4 (16.Nh3 Bh3 17.Rg1 Bf5-+) 16...Nf2 17.Ke1 Ng4 (18.Bg4 Bg4-+; 17...Nh1 18.gf5 Bd6 19.fe6 Bh2 20.Nf3-+) 0–1. Martin,R – Donaldson,J, Los Angeles, 2003.

9.d4 e6=+ 10.Nf3 h6 11.Nh4 Bh7 12.Be2 Nbd7 13.Nd2 Bd6 14.0-0 0-0 15.f4 Ra8 Black is in command 16.Nb3 Ra2 17.Nc5 Qa7 18.Nd3? (better 18.Nd7!? Nd7 19.Nf3-/+) 18...g5-+ 19.fg5 hg5 20.Nf3 Ng4 21.Re1 (21.Bb2 Ne3 22.Qc1 Nf1 23.Qg5 Kh8 24.Qd8 Kg7 25.Bc1-/+) 21...Bd3 22.Bd3 Nf2 23.Qb1 Nd3 24.Rf1 g4 25.Ne5 (25.Ng5 N7e5 26.e4-+) 25...N7e5 26.de5 (26.e4-+) 26...Qe3 27.Kh1 Qe2 (27...Qe2 28.Bb2 Rb2 29.Rf2 Rb1 30.Rf1 Rf1) 0–1. petrobbo (2040) – JgDealer (2230), ChessWorld.net, 2016.

9.Nf3 Nbd7 =.

9.Nd2= e6 10.Ngf3 (10.Ne2 Bd6=) 10...Bd6 11.Be2 Nf6 12.0-0 (12.Nh4 Bg4 13.f3 Bh5=) 12...0-0 (12...Qa2 13.b5=) 13.Qb3 (13.Nh4 b5+=) 13...b5 (13...Qb6 14.Nh4=) 14.Bb2 (14.Nh4 Bg4 15.f3 Bh5=) 14...Qc7+= 15.h3 (15.Ra1 Nbd7+=) 15...Nbd7 (15...Ne4 16.Ra1+=) 16.Nh4= Ra8 (16...Be4 17.f3 Bg6 18.Ng6 fg6 19.Ra1=) 17.Nf5 ef5 18.Ra1 (18.Bd3 Ne4 19.Qc2 Ndf6+=) 18...Ra1+= 19.Ba1 Ne4 20.Nf1 (20.Qc2 Ndf6=) 20...Nb6 (20...f4 21.f3 Nef6 22.Bd3+=) 21.Qa3 (21.Bd3 Nc4+=) 21...Be7 (21...Qc8 22.Bb2+=) 22.Bd3 Bh4 23.g3 Be7 24.Kg2 (24.Bb2 Qb7+=) 24...Bd6 (24...Qb7 25.Qb2+=) 25.Qa5= h6 26.Bc2 (26.Kg1 g6+=) 26...Kh7 (26...g6 27.Bd1+=) 27.Bd3 ½–½. Skerlik,S – Peres,Jose Carlos M, corr ICCF EU/M41 (year?).

9.Nd2 Nf6 10.Ngf3 b5 11.Be2 e6 12.0-0 Bd6 13.h3 h6 14.Nb3 g5 (14...0-0 15.Bd3+=) 15.Nc5 Nbd7 16.Bb2 Nc5 (16...g4 17.Nd7 Nd7 18.Nh4 gh3 19.Nf5 ef5 20.gh3=) 17.bc5 (better is 17.dc5!? Be7 18.Qa1 Qa1 19.Ra1+–) 17...Bb8 18.Qa1 Qc7 19.Qa6 Nd7 20.c4 bc4 21.Ne5 Ne5 22.de5 0-0 23.Qb6 Rc8 (23...f6!?-/+) 24.Ra1+= f6 25.Qc7 Rc7 26.ef6 Rb7 27.Bd4 e5 28.Bc3 Rb1 (28...Rb3!? 29.Ba5 c3-+) 29.Rb1+= Bb1 30.Bh5 Kf8 31.Ba5 Bf5 (31...Ba7 32.Bc3-/+) 32.Kf1 Bd7 (32...Be6!?+=) 33.Bd8+= Be6 34.Be7 Kg8 35.Be8 d4 36.ed4 ed4 37.Bc6 Kf7 (37...c3 38.Be4 Bc4 39.Ke1-/+) 38.Be4 (38.Bf3 Bf5 39.Ke1 c3 40.Bd5 Be6 41.Be6 Ke6-/+) 38...Be5+= 39.Ke1 (39.c6 Bf6 40.Bd6 Ke8=) 39...Bf6-/+ 40.Bd6 Be7 41.Be7 Ke7 42.Kd1 Kf6 43.f3 Ke5 44.c6 Kd6 45.Kd2 Bc8 46.Kc2 Ba6 47.Kd2 Bb5 48.c7 Kc7 49.g3 Bc6 50.Bf5 Bf3 51.h4 Kd6 52.hg5 hg5 53.Bh7 Ke5 54.Bg6 c3 (54...c3 55.Kd3 Be4 56.Be4 c2 57.Kc2 Ke4-+) 0–1. mr5reasons1 (1695) – nextdoor (1780), gameknot.com, 2013.

9.Nd2= Nf6 10.Ngf3 (10.Ne2 e6=) 10...e6 11.Be2 Bd6 (11...Qa2 12.0-0=) 12.0-0 (12.Nh4 Bc2 13.Qc2 Qa1 14.Nb1 Qa7=) 12...Nbd7 (12...Qa2 13.Ne5=) 13.b5 0-0 (13...cb5 14.Bb5 0-0 15.Nh4=) 14.c4 Qa2 15.c5 Be7 16.b6 (16.Bc3 Ra8=) 16...Ra8 17.Bc3 Ne4 18.Ne4 Be4 19.Nd2 Bf5 20.Qa1 e5 (20...Bf6 21.g4 Bc2 22.h3=+) 21.Nb3 (21.Qa2 Ra2 22.Ra1 Ra1 23.Ba1 ed4 24.ed4 Nc5 25.dc5 Bc5=+) 21...ed4 (21...Ra3 22.Qa2 Ra2 23.Re1=+) 22.ed4= (worse 22.Nd4 Be4-/+) 22...Bf6 23.Bf3 (23.Re1 Ra3 24.Qa2 Ra2=) ½–½. Wagle,Rainer Alfons – Heinl,Achim (2240), Verbandsliga Nord Baden, 2001.

9.Bd3 Bd3 10.Qd3 Nf6 11.Nd2 Bd6 12.Ngf3 Nbd7 13.0-0 0-0 14.Bb2 Qc7 15.h3 b5 16.e4 de4 17.Ne4 Ne4 18.Qe4 Nb6 (18...Ra8 19.Ra1 Ra1 20.Ba1=+) 19.Bc1 (19.Ng5 g6=) 19...Nd5=+ 20.Bd2 Ra8 21.Qc2 Qa7 22.Re1 Qa2 23.Rc1 (23.Qd3 Ra3 24.Qe4 A) 24...Nc3 25.Qc6 Qd5 26.Qc8 Bf8 27.Ne5 (27.Bc3?! Ra8 28.Qc7 Bd6=) 27...Qd4 28.Qc7+-; B) 24...Rb3=+) 23...Qc4 (23...Qc2 24.Rc2 Ra1 25.Be1-/+) 24.g3 (24.Ng5 g6 25.Qe4 h6=) 24...Ra2 25.Qd1 Qd3 26.Kg2 h6 27.Be1?? (27.Qe1 Ra3 28.Ne5 Be5 29.de5 Qc4=+) 27...Qe4 (27...Ne3 28.Kh2 Nd1-+) 28.Bd2-/+ g5 (28...Qg6 29.Kf1-/+) 29.Qe1 (29.Ra1 Rc2 30.Rc1 Rc1 31.Qc1 f5=+) 29...Qd3 (29...Qe1 30.Be1 Ne3 31.Kh2-/+) 30.Qd1 (30.Ra1 Rc2=+) 30...Kg7 (better 30...h5!? 31.Bg5 Qd1 32.Rd1 Nc3-/+) 31.Be1?? (better 31.Ra1 Rb2 32.Qe1=+) 31…Ne3 (31...Ne3 32.Kh2 Qf1 33.Nh4 gh4 34.Qf3 hg3 35.Qg3 Kh7 36.Qd6 Qg2) 0-1. dannysmet (2045) - Rakirovka (2120), Rated Blitz game, lichess.org, 2021.

9.Ne2 Bd6 10.Ng3 Ne7 (10...Bg6 11.Be2=+) 11.Nf5= Nf5 12.Bd3 0-0 (12...Qc7 13.Qf3=) 13.0-0 (13.Nd2 Qd8=) 13...Qc7 14.h3 Nd7 15.Qc2 Nh4 (better 15...g6!?=) 16.Bh7+– Kh8 17.Bd3 g6 (17...Ra8 18.Bb2+–) 18.Bb2 Kg7 (18...Ra8 19.Nd2+–) 19.e4 (19.Nd2 Qd8 20.g3 Qg5+–) 19...de4 20.Be4 f5 (20...Nf6 21.Bd3+–) 21.Bd3+–. Woschkat,Karl_Heinz – Kern,Mi, corr 3GMM–58, 1995.

9.Nf3 Nf6=+.

8.Nf3 h6 9.d4 e6 10.Bd3 Bd3 11.Qd3 Nf6 12.Ne5 Nbd7 13.Nd7 Kd7 14.0-0 Bd6 15.f4 (15.Nd2 Qa6 16.Qa6 ba6=) 15...Ne4 (15...Ra8!? 16.Nd2 Qa6-/+) 16.Nd2=+ Nd2 17.Qd2 f5 18.Bb2 Ra8 19.Ra1 Ra1 20.Ba1 Qa6 21.Qe1 Qa2 22.h3 g5 23.g3 Kc7 24.Qc1 Kb6 (24...Qe2 25.Bb2-/+) 25.Qb2 Qb2 26.Bb2 gf4 27.ef4 Kb5 28.Kf2 Kc4 29.Kf3 (29.b5 cb5 (29...Kb5?! 30.Ke3-+) 30.Ke2 Kb3-+) 29...Kb3 30.Bc1 Kc3 31.g4 Kb4 (better 31...Bb4!? 32.g5 hg5 33.fg5 Kd4 34.g6-+) 32.g5 Bf8 33.h4 Kc4 34.Ke3 b5 35.g6 (35.Bb2 Bg7-+) 35...Bg7 36.Ba3 (36.Bb2-+) 36...h5 (better 36...Bd4 37.Kd2 b4 38.Bc1-+) 37.Bc5 (37.Bd6 Bd4 38.Kd2 Bg7-+) 37...Kc3 38.Ke2 b4 (38...Bd4?? 39.Bd4 Kd4 40.g7+-) 39.Kd1 Kd3?? (39...Bh6 40.Bd6-+) 40.Kc1? (40.Bd6 Bh6 (40...Bd4 41.Be5 Be5 42.fe5+-; 40...Kd4?? 41.Be5 Be5 42.fe5+-) 41.Be5 Kc3=) 40...Ke3?? (better 40...Bh6 41.Kb2-+) 41.Kb2?? (better 41.Bd6=+) 41...Kf4-+ (41...Bd4?? 42.Bd4 Kd4 43.g7+-) 42.Kb3 (42.Bd6 Ke4 43.Be5-+) 42...Kg4 43.Kb4 (43.Bb4 Kh4 (43...Bd4?? 44.Bc3 Bc3 45.Kc3+-) 44.Bd2 Kg4-+) 43...Kh4 (43...f4 44.Bd6 f3 45.Be5 Bf8 46.Kc3-+) 44.Ka5 (44.Kc3 f4 45.Bb4 Kg4-+) 44...Kg5 45.Kb6 Kg6 46.Kc6 h4 47.Kd7 (47.Bd6 Bd4 48.Bf4 e5-+) 47...h3 (better 47...f4 48.Ke6 f3 49.Be7-+) 48.Ke6 (48.Bd6 Bd4 49.Ke6 Be3 50.Kd5 f4-+) 48...h2 49.Kd5 h1Q 50.Kc4 Qe4 51.Kb5 Bd4 52.Bd4 Qd4 (52...Qd4 53.Kc6 f4 54.Kb5 f3 55.Ka6 f2 56.Ka5 Qc5 57.Ka4 f1Q 58.Kb3 Qd3 59.Ka4 Qcb5) 0-1. kasperoff (1820) - laviateur (2375), Yearly Rapid Arena, lichess.org, 2020.

9.Bd3 Bd3 10.Qd3 e6 11.Nd2 Bd6 12.Ngf3 0-0 13.0-0 Nbd7 14.Rb1 Qb5 15.c4 dc4 16.Qc4 Qf5 (16...Rc8 17.h3+=) 17.b5= Rc8 18.bc6 Rc6 19.Qe2 Qh5 (19...Ne4 20.Rb7 Rc1 21.Nf1 Ra1 22.Rd7=) 20.Qd3= Qg6 21.Qg6 (21.e4 Nd5+=) 21...hg6 22.Kf1 b6 (22...b5 23.e4 Be7 24.Ke2=) 23.e4 Bf4 24.h3 (24.Ke2 Kh7+=) 24...Rc2= 25.Ke1 Bh6 (25...Ra2 26.g3 Bh6 27.Bc3=) 26.Bb2+= Nh5 27.g3 f5 28.e5 Kf7 (28...Rc7 29.h4+=) 29.Ke2+/- Rc8 30.Kd3 b5 (30...g5!?+/-) 31.Ba3+– Ra8 32.Bd6 Ra5 (32...g5 33.d5 ed5 34.Rb5+–) 33.Nb3 (33.Nb3 Ra6 34.Nc5+–) 1–0. Wantoch_Rekowski,Jacek (2245) – McDonald,Graham R (1945), 3rd Webchess Open Tournament prel., 2008.

9.Bd3 Bd3 10.Qd3 e6 11.Nf3 Bd6 12.Nbd2 0-0 (12...Qa6 13.Qa6 Na6 14.Bb2=+) 13.0-0 Nbd7 14.e4 de4 15.Ne4 Ne4 16.Qe4 Nf6 17.Qd3 (17.Qe2 Ra8=+) 17...Qc7 18.Re1 Re8 19.Ne5 Nd7 20.Nd7 (20.Qe4 Ra8 21.Bb2 Ra2=) 20...Be7?? (better is 20...Qd7 21.Qe3 Ra8=+). Perlitz – Hasler,Ulrich, corr SOK–88–26, 1989.

9.Nf3 e6 10.Nbd2 Bd6 11.Nh4 Bg6 12.Ng6 hg6 (12...fg6 13.Bd3=) 13.Bd3 Qc7 (worse is 13...Rh2 14.Rh2 Bh2 15.g3+/-) 14.h3 Nbd7 15.0-0 g5 16.Re1 g4 (16...0-0!?=) 17.hg4+= Rh4 18.Be2 b5 19.f4 ½–½. phildo (1900) – gmcfly (1865), gameknot.com, 2012.

9.Nf3 e6 10.Nh4 Bd6 11.Nf5 ef5 12.Bd3 g6 13.Nd2 Nbd7 14.g3 h5 15.Nf3 Ne4 16.0-0 0-0 17.Bb2 Qc7 18.c4 dc4 19.Bc4 Bb4 20.Qb3 Be7 21.Rc1 Nb6 22.Bd3 Bd6 23.Ra1 Nf6 24.Bf1 Ra8+= 25.Ra8 Na8 26.Ne5 Nd5 27.Nc4 b5 28.Nd6 Qd6 29.Qc2 Nab6-/+ 30.Bc1 Qe6 31.Bd2 Nf6 32.Be1 Nbd5 33.Bg2 Kg7 34.Qc1 h4 35.Qc2 hg3 36.hg3 Qc8 37.Qa2 Qb7 38.Bf1 Ne4 39.Qa3 b4 40.Qb2 Ng5 41.Be2 Qe7 42.Kh2 Ne4 43.Bf3 Qb7 44.Kg2 Nec3 45.Bc3 Nc3-+ 46.Qb3 Qb5 47.Kg1 Kg8 48.Bg2? Qa4 49.Qa4 Na4 50.Bf1 b3 51.Bd3 b2 52.Kf1 Nc3 53.Ke1 b1Q 54.Bb1 Nb1 55.f3 Kf8 56.Ke2 Ke7 57.Kd3 Kd6 58.Kc2 Na3 59.Kd3 Kd5 60.e4 fe4 61.fe4 Ke6 62.Ke2 Nb5 63.d5 cd5 64.ed5 Kd5 65.Ke3 Nd4 66.Kf4 Ne2 67.Kf3 Ng3! 68.Kg3 Ke4 69.Kg4 f5 70.Kg3 Ke3 71.Kg2 f4 72.Kf1 f3 73.Ke1 f2 74.Kf1 g5 75.Kg2 Ke2 76.Kg3 f1Q 77.Kg4 Qf6 78.Kg3 Qf3 79.Kh2 Qg4 80.Kh1 Kf3 (80...Kf3 81.Kh2 Qg2) 0–1. Wantoch_Rekowski,Jacek (2320) – Bauer,Wolfgang (2510), Champions League, 2007.

9.Nf3 h6 10.Nbd2 e6 A) 11.Be2 Nbd7 (11...Bd6 12.Bb2 Nbd7 13.Qa4 0-0 14.0-0 e5 15.de5 Ne5 16.Ne5 Be5; 11...Be7 12.Bb2 0-0 13.0-0 Nbd7 14.Qa4 Bd6 15.Ra1 Rd8 16.h3 Rc8; 11...Qc7 12.Qb3 Nbd7 13.Bb2 Bd6 14.0-0 0-0 15.Ra1 Ne4 16.g3 Ndf6; 11...h5 12.0-0 Bd6 13.Bb2 Nbd7 14.Qb3 0-0 15.Ra1 Rc8 16.h3 Re8; 11...Bh7 12.0-0 Bd6 13.Bb2 Nbd7 14.Qa4 0-0 15.Ra1 Bf5 16.Nh4 Bh7) 12.Qa4 Bd6 13.Qa8 Bb8 14.Qa4 0-0 15.Bb2 e5 16.c4 e4; B) 11.Bb2 Bd6 (11...Nbd7 12.Qa4 Bd6 13.Be2 0-0 14.0-0 e5 15.de5 Ne5 16.Ne5 Be5; 11...Qc7 12.Be2 Nbd7 13.0-0 Bd6 14.Qb3 0-0 15.Ra1 Ne4 16.g3 Ndf6; 11...Be7 12.Be2 0-0 13.0-0 Nbd7 14.Qa4 Bd6 15.Ra1 Rd8 16.h3 Rc8) 12.Be2 0-0 13.0-0 Nbd7 14.Qa4 e5 15.de5 Ne5 16.Ne5 Be5; C) 11.h3 Bd6 (11...Nbd7 12.Qa4 Bd6 13.Qa8 Bb8 14.Nb3 Ne4 15.Nc5 Nec5 16.dc5 Qc7; 11...Be7 12.Be2 0-0 13.Bb2 Nbd7 14.Qa4 c5 15.0-0 cb4 16.Nh4 Bh7; 11...Na6 12.g4 Bh7 13.Ne5 Bd6 14.Bb2 0-0 15.Rg1 Ra8 16.h4 Be5) 12.Be2 0-0 13.Qa4 Nbd7 14.0-0 Qc7 15.Bb2 b5 16.Qb3 Ra8; D) 11.Qa4 Bd6 (11...Be7 12.Bb2 0-0 13.Be2 Na6 14.Ne5 Ra8 15.0-0 Nc7 16.Qb3 Bd6) 12.Be2 0-0 13.0-0 Na6 14.Bb2 Ra8 15.Ra1 Nc7 16.Qd1 Ra1.

9.Nf3 h6 10.Bd3 e6 (10...Bd3 11.Qd3 Qa6 (11...Nbd7 12.Nbd2 e6 13.0-0 Bd6 14.Bb2 0-0 15.Ra1 Rc8 16.g3 Re8; 11...e6 12.Nbd2 Bd6 13.0-0 Qa6 14.c4 Bb4 15.Bb2 0-0 16.Ra1 Qb6) 12.Qa6 Na6 13.Nbd2 e6 14.Nb3 g5 15.Ke2 g4 16.Ne5 Bd6; 10...g6 A) 11.Bb2 Nbd7 (11...e6 12.Bf5 ef5 13.Qd3 Bd6 14.Nbd2 0-0 15.0-0 Nbd7 16.Ra1 Re8) 12.Bf5 gf5 13.0-0 e6 14.Nbd2 Bd6 15.Qc2 Rg8 16.Ra1 Ke7; B) 11.Bf5 gf5 12.0-0 e6 13.Nbd2 Nbd7 14.Bb2 Bd6 15.Qe2 Rg8 16.Ra1 Ke7; C) 11.Qe2 Bd3 12.Qd3 Nbd7 13.Nbd2 Bg7 14.0-0 0-0 15.c4 Ra8 16.Bc3 dc4; D) 11.Qc2 Qa6 (11...Bd3 12.Qd3 Bg7 13.0-0 Nbd7 14.Nbd2 0-0 15.c4 dc4 16.Qc4 Ra8; 11...Nbd7 12.Bf5 gf5 13.0-0 e6 14.Nbd2 Rg8 15.Bb2 Bd6 16.Ra1 Ke7; 11...e6 12.Nbd2 Nbd7 13.0-0 Bd3 14.Qd3 Bd6 15.Bb2 0-0 16.Ra1 Re8) 12.Ba6 Bc2 13.Na3 Na6 14.Nc2 e6 15.Ke2 Bd6 16.Bb2 Ke7; E) 11.0-0 e6 (11...Nbd7 12.Bf5 gf5 13.Qd3 e6 14.Nbd2 Bd6 15.Bb2 Rg8 16.Ra1 Ke7) 12.Bf5 ef5 13.Nbd2 Be7 14.Bb2 Nbd7 15.Qa4 Kf8 16.Ra1 Kg7; 10...Be4 A) 11.Bb2 e6 (11...Nbd7 12.0-0 e6 13.Qc2 Bd3 14.Qd3 Bd6 15.Nbd2 0-0 16.Ra1 Re8; 11...Qa7 12.Be4 de4 13.Ne5 Nbd7 14.Nd2 Qa6 15.Qc2 e6 16.Nd7 Kd7; 11...Bd3 12.Qd3 Qa6 13.Qa6 Na6 14.Nbd2 e6 15.Nb3 Ne4 16.Ke2 Nd6; 11...g6 12.Be4 de4 13.Ne5 Nbd7 14.Qc2 Qc7 15.Nd7 Qd7 16.0-0 Bg7) 12.Be4 de4 13.Ne5 Nbd7 14.0-0 Bd6 15.Nc4 Qc7 16.Nd6 Qd6; B) 11.Be4 de4 (11...Ne4 12.Bb2 e6 13.Nbd2 Nd2 14.Kd2 Bd6 15.Qa4 Ke7 16.Ra1 Nd7) 12.Ne5 Nbd7 13.0-0 e6 14.Qc2 Qc7 15.Nd7 Nd7 16.Nd2 f5; C) 11.Bf1 e6 (11...Nbd7 12.Nbd2 e6 13.Ne4 Ne4 14.Nd2 Nd2 15.Qd2 Bd6 16.Bd3 0-0) 12.Nbd2 Bf5 13.Bb2 Bd6 14.Be2 Nbd7 15.Qa4 0-0 16.0-0 e5; D) 11.Be2 e6 (11...Nbd7 12.Nbd2 e6 13.Ne4 Ne4 14.Qa4 Be7 15.Nd2 Nd2 16.Kd2 Qc7; 11...Bf5 12.Bd3 Bd3 13.Qd3 e6 14.Nbd2 Bd6 15.Bb2 0-0 16.0-0 Qb5; 11...Bh7 12.0-0 e6 13.Bb2 Bd6 14.c4 Bb4 15.Nc3 Be7 16.Qd2 0-0; 11...Bf3 12.Bf3 e6 13.Nd2 Bd6 14.0-0 Nbd7 15.Qa4 0-0 16.g3 e5; 11...Na6 12.Nbd2 Bf3 13.Bf3 e6 14.0-0 Be7 15.Bb2 0-0 16.Qc2 Ra8) 12.Nbd2 Bf5 13.0-0 Bd6 14.Bb2 Nbd7 15.Qb3 0-0 16.Ra1 Rc8) 11.Bf5 ef5 12.0-0 Bd6 13.Qc2 g6 (13...Ne4 14.c4 dc4 15.Nbd2 0-0 16.Nc4 Qc7) 14.c4 Bb4 15.cd5 0-0 (15...Nd5 16.e4 fe4) 16.dc6 Nc6 0–1. Rooijen van,Peter (1655) – McDonald,Graham, IECG, 2010.

9.Nf3 h6 10.Be2 A) 10...Nbd7 A1) 11.Nh4 Bh7 12.Nd2 e6 13.Qa4 Bd6 14.Qa8 Nb8 15.0-0 0-0 16.Qa4 Nbd7; A2) 11.0-0 e6 (11...Qc7 12.Nbd2 e6 13.Qb3 Bd6 14.Bb2 0-0 15.Ra1 Ne4 16.Ne4 Be4) 12.Qa4 Bd6 13.Bb2 0-0 14.Nbd2 e5 15.de5 Ne5 16.Ne5 Be5; A3) 11.Bb2 e6 (11...Qc7 12.Nbd2 e6 13.Qb3 Bd6 14.0-0 0-0 15.Ra1 Ne4 16.Ne4 Be4) 12.Nbd2 Bd6 13.Qa4 0-0 14.0-0 e5 15.de5 Ne5 16.Ne5 Be5; A4) 11.h3 e6 (11...Qc7 12.Nbd2 e6 13.0-0 Be7 14.Qa4 0-0 15.Qa3 Nb6 16.Qb3 Ra8) 12.Nbd2 Bd6 13.0-0 0-0 14.Qa4 Qc7 15.Bb2 b5 16.Qb3 Ra8; A5) 11.Nbd2 e6 12.Qa4 Bd6 13.Qa8 Bb8 14.Qa4 0-0 15.0-0 e5 16.de5 Ne5; B) 10...Na6 B1) 11.Ne5 e6 (11...Nd7 12.Nd7 Bd7 13.Nd2 e6 14.0-0 Bd6 15.Qb3 0-0 16.Bb2 e5) 12.Nd2 Bd6 13.g4 Bh7 14.Bb2 Be5 15.de5 Nd7 16.0-0 0-0; B2) 11.0-0 e6 12.Nbd2 Bd6 13.Qb3 0-0 14.Bb2 Nb8 15.b5 Nbd7 16.Ra1 c5; B3) 11.Bb2 e6 (11...Nd7 12.Nbd2 e6 13.Qb3 Be7 14.0-0 0-0 15.Ra1 Ra8 16.b5 Nc7; 11...g6 12.Nbd2 Bg7 13.0-0 0-0 14.Qb3 Ra8 15.Ra1 Qd8 16.Ne5 Nc7; 11...Nc7 12.Nbd2 e6 13.Qb3 Be7 14.0-0 0-0 15.Ra1 Nd7 16.e4 Bg6; 11...h5 12.Nbd2 e6 13.0-0 Bd6 14.Nh4 Bh7 15.g3 0-0 16.Ndf3 Ne4) 12.Nbd2 Bd6 13.0-0 0-0 14.Qb3 Nb8 15.Ra1 Nbd7 16.b5 c5; B4) 11.Qb3 e6 (11...Ne4 12.Nbd2 Nd2 13.Nd2 e6 14.0-0 Bd6 15.b5 cb5 16.e4 Be4; 11...Bg4 12.Nbd2 e6 13.b5 Nc7 14.bc6 Qb3 15.Nb3 bc6 16.Ne5 Be2) 12.Nbd2 Bd6 13.Bb2 0-0 14.0-0 Nb8 15.Ra1 Nbd7 16.b5 cb5; B5) 11.Nbd2 e6 12.Ne5 Bd6 13.Bb2 0-0 14.0-0 Ra8 15.g4 Bh7 16.Qb3 Nb8; C) 10...Qc7 C1) 11.Nbd2 e6 12.Bb2 Nbd7 13.Qb3 Bd6 14.0-0 0-0 15.Ra1 Ne4 16.g3 Ndf6; C2) 11.Qb3 e6 (11...Nbd7 12.Nbd2 e6 13.0-0 Bd6 14.Bb2 0-0 15.Ra1 Ne4 16.g3 Ndf6; 11...Ne4 12.Nbd2 Nd7 13.Ne4 Be4 14.0-0 e6 15.Nd2 Bf5 16.Bb2 Bd6; 11...h5 12.Nbd2 Nbd7 13.Qa3 Qb8 14.Nh4 Bh7 15.Bb2 e6 16.0-0 Bd6) 12.Nbd2 Nbd7 13.Bb2 Bd6 14.0-0 0-0 15.Ra1 Ne4 16.g3 Ndf6; C3) 11.0-0 e6 (11...Nbd7 12.Nbd2 e6 13.Bb2 Bd6 14.Qb3 0-0 15.Ra1 Ne4 16.g3 Ndf6) 12.Nbd2 Nbd7 13.Bb2 Bd6 14.Qb3 0-0 15.Ra1 Ne4 16.g3 Ndf6; C4) 11.Nh4 Bh7 (11...Bd7 12.Nd2 e6 13.0-0 Bd6 14.g3 Na6 15.Bb2 0-0 16.Qc2 Ra8) 12.Nd2 e6 13.Qa4 Bd6 14.c4 0-0 15.c5 Be7 16.0-0 Nbd7; C5) 11.Bb2 Nbd7 (11...e6 12.Nbd2 Nbd7 13.Qb3 Bd6 14.0-0 0-0 15.Ra1 Ne4 16.g3 Ndf6) 12.Nbd2 e6 13.Qb3 Bd6 14.0-0 0-0 15.Ra1 Ne4 16.g3 Ndf6; D) 10...e6 D1) 11.Nbd2 Bd6 (11...Nbd7 12.Qa4 Bd6 13.0-0 0-0 14.Bb2 e5 15.de5 Ne5 16.Ne5 Be5) 12.0-0 Nbd7 13.Qa4 0-0 14.Bb2 e5 15.de5 Ne5 16.Ne5 Be5; D2) 11.Bb2 Nbd7 (11...Bd6 12.0-0 0-0 13.Nbd2 Nbd7 14.Qa4 e5 15.de5 Ne5 16.Ne5 Be5) 12.0-0 Bd6 13.Qa4 Ne4 14.Nbd2 Nd2 15.Nd2 0-0 16.Ra1 Re8; D3) 11.Nh4 Bh7 (11...Bb1 12.Qb1 Bd6 13.Qa2 0-0 14.0-0 Nbd7 15.g3 Qc7 16.Bb2 Nb6; 11...Be4 12.Nd2 Bh7 13.0-0 Bd6 14.Bb2 0-0 15.Qb3 Nbd7 16.Ra1 Rd8) 12.0-0 Bd6 13.c4 Qc7 14.c5 Bh2 15.Kh1 Na6 16.Nc3 Nb4; D4) 11.h3 Qc7 (11...Nbd7 12.Nbd2 Bd6 13.0-0 0-0 14.Qa4 Qc7 15.Bb2 b5 16.Qb3 Ra8; 11...Be7 12.Nbd2 0-0 13.0-0 Nbd7 14.Qa4 Qc7 15.Bb2 b5 16.Qb3 Ra8; 11...Bd6 12.Nbd2 Nbd7 13.0-0 0-0 14.Qa4 Qc7 15.Bb2 b5 16.Qb3 Ra8; 11...Na6 12.Nbd2 Bd6 13.Ne5 0-0 14.0-0 Qc7 15.f4 Nb8 16.Qa4 Nbd7; 11...Qa7 12.Nbd2 Nbd7 13.0-0 Bd6 14.Bb2 0-0 15.Qb3 Qb6 16.Ra1 Rc8) 12.Nbd2 Bd6 13.0-0 0-0 14.Qb3 Nbd7 15.c4 Ra8 16.Bb2 Be7; D5) 11.0-0 Bd6 (11...Nbd7 12.Nbd2 Bd6 13.Qa4 0-0 14.Bb2 e5 15.de5 Ne5 16.Ne5 Be5; 11...Na6 12.Ne5 Bd6 13.g4 Bb1 14.Qb1 Ne4 15.Qc2 Be5 16.de5 0-0; 11...Be7 12.Nbd2 Nbd7 13.Bb2 0-0 14.Qa4 Bd6 15.Ra1 Re8 16.Qa5 Qa5) 12.Nbd2 Nbd7 13.Qa4 0-0 14.Bb2 e5 15.Ra1 e4 16.Ne1 Qc7.

9.Bb2?? Qa2-+ 10.Qc1 Qb1 11.Qb1 Bb1 12.Be2 Be4 13.d3 Bf3 14.Bf3 e6 15.0-0 Nf6 16.Ra1 Kd7 17.e4 Bd6 18.ed5 ed5 19.g4 h6 20.h4 Kc7 21.Kg2 Nbd7 22.g5 (22.c4 Bb4 23.cd5 cd5-+) 22...hg5 23.hg5 Nh5 24.Kf1 (24.Bh5 Rh5 25.Bc1 d4 26.cd4 Bb4-+) 24...Nf4 25.Rd1 (25.Bc1-+) 25...Ne5 26.Bg2 Rh2 27.Bd5 (27.Bc1 Ng2 28.Ke2-+) 27...cd5 28.d4 (28.f3 Nh5 29.Rd2 Rd2 30.f4 Ng3 31.Ke1 Nf3) 28…Rh1 0–1. retiponziani (1965) – DXX (2575), ChessWorld.net, 2010.

9.Bb2?? Qa2-+ 10.Qc1 Qb1 11.Qb1 Bb1 12.Be2 Bg6 13.Kd1 Nf6 14.d3 e6 15.Kd2 Nbd7 (15...Bd6 16.h3-+) 16.h3 Be7 (16...Bd6 17.Ra1-+) 17.g4 0-0 18.Rg1 (18.Ra1 h6-+) 18...Ra8 19.h4 (19.g5 Ne8-+) 19...h5 20.Kc2 (20.gh5 Bh5 21.Ra1 Ra1 22.Ba1 e5-+) 20...Ng4 21.Ng5 (21.Rg2 e5 22.Ng5 Nh6-+) 21...Bg5 22.hg5 Nf2 23.Rg2 Ng4! 24.Bg4 hg4 25.Rg4 (25.c4 dc4 26.e4 Ra2-+) 25...Bd3! 26.Kd3 (26.Kb3 c5 27.Bc1 Ne5-+) 26...Ne5 27.Kc2 Ng4 28.Kb3 (28.Bc1 Ra2 29.Kb3 Re2-+) 28...Ne3 29.c4 (29.Bc1 Nc4-+) 29...Nc4 30.Bc3 Ra3 31.Kc2 b5 32.Kd3 e5 33.Kc2 d4 34.Bd2 d3 35.Kd1 (35.Kb1 Nd2 36.Kb2 Nc4 37.Kb1 f5 38.gf6 gf6 39.Kc1 Ra1) 35...Ra1 36.Bc1 d2 37.Kc2 (37.Ke2 dc1Q 38.Kf3 Qf4 39.Kg2 Ra2 40.Kh3 Rh2) 37...dc1Q 38.Kd3 Qd2 (38...Qe3 39.Kc2 Rc1) 39.Ke4 Qe3 40.Kf5 Qf4 (40...Qf3) 0-1. Steakfisch_Lv4 (2010) - BeepBeepImAJeep (2605), Hourly Bullet Arena, lichess.org, 2016.

9.Bb2?? Qa2-+ 10.Qc1 Bb1?! 11.d3-/+.

9.Nd4 Bg6 10.Nb3 e5 11.Be2 Qa2 (11...Bd6 12.0-0=+) 12.d3= Be7 (12...Nf6 13.N1d2=) 13.0-0 Nf6 14.N1d2 Qa7 (14...0-0 15.c4=) 15.Bb2 (15.c4 Nbd7 16.d4 e4=) 15...Nbd7 16.Qa1 Qb8 17.Ba3 (17.Qd1 Bd6=+) 17...0-0 18.b5 Ba3 19.Qa3 Qc7 (19...cb5 20.Qb4=) 20.bc6 bc6 21.Ra1 c5 (21...Rb8 22.d4=) 22.Qa5 (22.Qa7 Qb8=) 22...Qc8 (22...Qd6 23.Qa6 Qa6 24.Ra6=) 23.g4 (23.Qa7 Qb8=) 23...h6 24.h4 (24.c4 d4=+) 24...e4 (24...Qc6 25.g5 hg5 26.hg5=+) 25.de4= Ne4 26.Ne4 Be4 27.f3 (27.g5 Qc6=) 27...Bc2-/+ 28.Nd2 Re8 (28...Qe8 29.Nf1 Qe5 30.Bb5-/+) 29.Qa2=+ Bg6 30.h5 Bh7 (worse 30...Re3 31.Ba6 Qc6 32.hg6 fg6 33.c4+=) 31.Qd5 Nf6 (31...Nb6 32.Qd6 Re3 33.Ba6=) 32.Qb3 (32.Qa2!?=) 32...Re3=+ 33.Ra7 Qe8 34.Bb5 Re1 35.Kg2 Bc2 (35...Re2 36.Be2 Qe2 37.Kh3 c4+–) 36.Qa2 (36.Be8?! Bb3 37.Nb3 Re8 38.Nc5 Rc8+–) 36...Re2 (36...Bb3 37.Qb3 Qf8+–) 37.Be2 Qe2 38.Kh3 0–1. Stabenow,Juergen – Koerner,S, corr SOK–87–08, 1987.

9.Nd4 Bg6 10.Nb3 e5 11.Be2 Nd7 12.0-0 Ngf6 13.d3 Bd6 14.N1d2 0-0 15.Na5 c5 16.Qb3 (16.c4 cb4 17.Nab3 Ra8+=) 16...cb4 (16...Rc8 17.bc5 Nc5 18.Qb5 Nd3 19.Bd3 Bd3 20.Qd3 Qa5 21.c4-/+) 17.cb4 Rc8 18.Bb2? (better is 18.d4 ed4 19.Bd4-/+) 18...b6-+ 19.Nac4 dc4 20.dc4 Nb8 21.Ra1 Qe7 22.Bc3 Nc6 23.b5 Nd4! 24.Bd4 (24.Bd4 ed4 Combination; 24.ed4 ed4 Passed pawn) 24...ed4 25.Bf3 (25.Nf1-+) 25...Qe5 26.g3 (26.Kf1 Qh2 27.Ke2 d3 28.Ke1 Qg1 29.Nf1 Ne4 30.Be4 Be4-+) 26...de3 27.Qe3 Qa1 (27...Qa1 28.Kg2 Qb2-+) 0–1. Hal1958 – Wolter, playchess.de, 2005.

9.Nd4 Bg6 10.Nb3 Nf6 11.c4 Qa2 (11...dc4 12.Bc4 Qa4 13.0-0=+) 12.Nc3= Qc2 13.Qc2 Bc2 14.Nd4 Bg6 15.f4 e6 16.c5 Be7 17.Be2 0-0 18.g4 h6 19.f5 ef5 20.gf5 Bh7 (20...Bh5 21.Bb2+=) 21.Rg1 Nbd7 22.Bb2 Ra8 23.d3 Ne8 24.Rf1 Bf6 25.Kd2 (25.Nb3 b6 26.cb6 Nb6=) 25...Bd4 26.ed4 Nef6 27.b5 Kf8 28.Bd1 Ra5 (28...Ng8 29.Bg4=) 29.Ba4+= Nb8 30.h3 Ng8 31.Ba3 f6 32.Bb4 Ra8 33.Bd1 Ne7 34.Bf3 (better is 34.Bg4!?=) 34...Nf5-/+ 35.Bd5 (35.Nd5 Ra4 36.Bd1 Ra2 37.Kc3=) 35...Nd4 (better is 35...cd5 36.Nd5 Nd4-+) 36.Rf4= cd5 (36...Nb5!? 37.Nb5 Na6=) 37.Rd4+= Ke8 (37...Kf7 38.Rd5 (38.Nd5?! Nd7=) 38...g5 39.Rd6+/-) 38.Nd5+/- Ra2 39.Ke3 Rh2 (39...Bf5 40.h4+=) 40.Nc7 Kf7 41.Rd8 Rh3 42.Kf2 Rd3 (42...Rh2!? 43.Kg3 Rb2+/-) 43.Rb8+– Be4 44.Ne8 (44...Kg6 45.Nd6+–) 1–0. pierred – ROOK5222, ChessWorld.net, 2005.

9.Nd4 Bg6 10.Nb3 Nf6 11.Be2 (11.c4 Qb6 12.Bc3 dc4 13.Bc4 e6=) 11...e6 (11...e5 12.d4=) 12.0-0=+ Bd6 13.d4?? (13.d3 0-0=) 13...0-0?? (better is 13...Qa2 14.N1d2 Bc2-+) 14.Bd3 (14.N1d2 b6=+) 14...Nbd7 (14...Bd3 15.Qd3 Qa6 16.Qa6 Na6 17.Nc5=+) 15.Bg6 hg6 (15...fg6 16.N1d2=+) 16.N1d2 e5 (16...Ra8 17.Qe2=+) 17.Bb2 ed4 18.ed4 Ra8 19.Qc2 Qb8=+ 20.g3 Qe8 21.Nc1 Qe6 22.Kg2 b5 23.Qd3 Nb6 24.Ncb3 Nc4 Black fights for the Initiative 25.Bc1 Qf5 26.Qf5= gf5 27.Re1 Ra2 28.Nc4=+ dc4 29.Na5 Ne4 30.Be3 Nc3 31.Nc6 Nd5 32.Kf1 Nb4 33.Nb4 Bb4 34.Rb1 Ra4 35.Ke2 Kf8 36.h3 Ke7-+ 37.g4 fg4 38.hg4 Kd6 39.Kd1 Kc6 40.g5 Kd5 41.Kc2 g6 42.f3 Kc6 43.f4? Kd5 44.Bg1 Ke4 45.d5 Kd5 46.Rd1 Kc6 47.Rd8 Ra2 48.Kb1 Rd2 49.Rd2 Bd2 (50.Bh2 b4-+) 0–1. Menaster,Ray – Donaldson,John W, San Francisco, CA USA, 1993.

9.Nh4 Be4 10.d3 Qa1 11.de4 de4 12.Be2 e6 13.g3 Nf6 14.0-0 Be7 15.Qb3 0-0?? (better is 15...Nd5-/+) 16.Na3+– Qf1 17.Kf1 Nbd7 18.Ng2 Nd5 19.c4 (better is 19.f3!? ef3 20.Bf3 Ne5+–) 19...Nb4 20.Ne1 Ra8 21.Nec2 Nc2 22.Nc2 (22.Qc2?! Ra3 23.Qe4 Nc5=) 22...Nc5 23.Qb1 f5 24.Nd4 Kf7 25.Kg2 g6 26.Nb3 Na4 27.Qa2 Nb6 28.Qc2 e5 29.g4 Nd7 30.gf5 gf5 31.f3 Rg8 32.Kf1 Nf6 33.Na5 (33.fe4 fe4 34.Na5 Bb4+–) 33...Bc5 (33...Bb4 34.Qa2 ef3 35.Bf3+–) 34.Qc3 (better is 34.Qb3!? Kg6+–) 34...f4 35.fe4 Be3 36.Bf3 Bd4 37.Qb3 Rg1 38.Ke2 b5 (38...Kg6 39.Nb7 Rc1+–) 39.cb5 (39...Kg6 40.Nc6+–) 1–0. hal1958 – Redmike, HCL–T062 playchess.de, 2003.

9.Nh4 Be4 10.f3 Qa1 11.fe4 de4 12.Qc2 Nf6 13.Nf5 Nbd7 14.Ng3 e6 15.Ne4 Ne4 16.Qe4 Nf6 17.Qc2 Be7 18.Be2 0-0 19.0-0 Ra8 20.Bc4 Nd5 21.e4 Nb6 22.Bb3 c5 23.bc5 Bc5 24.d4 Bd4? 25.cd4 Qd4 26.Kh1 Rc8 27.Qe2 Qb4 28.Qf2 Qb3?? 29.Qf7 1–0. marus – eggnog, internet live, 2001.

9.Be2 Ngf6 10.0-0 e6 11.h3 h6 12.d3 Bd6 13.Nbd2 0-0 14.Qc2 Ra8 15.e4 Bh7 16.c4 Qb4?? (better is 16...de4 17.Ne4 Bb4 18.Nf6 Nf6+=) 17.e5+/- dc4 18.ef6 (18.Nc4 Ne5 19.Nfe5 Bc5+–) 18...cd3 19.Bd3 Bd3 20.Qd3 Nf6 21.Bf6 gf6 22.Ne4 Be7 23.Qe3 (better is 23.Rb1!? Ra3 24.Rb4 Rd3 25.Rb7+–) 23...Kg7 24.Nh2 Ra3 25.Qe2 f5 26.Ng3 Bc5 (better is 26...Bd6=) 27.Qh5?? (27.Qe5 Kg8 28.Nh5+–) 27...Ra2 (better is 27...Rg3 28.Qd1 Rb3-+) 28.Nf3 Qb6 (28...Qf4 29.Qh4 Qh4 30.Nh4+=) 29.Ne5 Bf2 30.Kh1 Bg3?? (better is 30...Qc7 31.Nf5 ef5 32.Qf5 Ra5 33.Qf2 Re5 (worse is 33...Qe5 34.Qf7 Kh8 35.Qf8 Kh7 36.Rf7 Kg6 37.Qg8 Qg7 38.Qg7 Kh5 39.Qg4) 34.Qf6 Kg8 35.Qh6 Rd5+=) 31.Qf7 Kh8 32.Ng6 1–0. horacyad2010 – misterin, kurnik, 2014.

9.Be2 h6 10.0-0 Ngf6 11.Nd4 Bg6 12.d3 e5 13.Nf3 Be7 14.Nbd2 0-0 15.Qb3 e4 16.de4 Ne4 17.Ne4 Be4 18.Nd2 Bg6 19.Nf3 Bf6 20.Rd1 Ne5 21.c4 dc4 22.Bc4 Nf3 23.gf3 Ba1 24.Ra1 Qc7 25.f4 Be4 26.Bf1 Qc8 27.h3 Qf5 28.Qc4 Bd5 29.Qd3 Qf6 30.Rc1 b5 31.Kh2 Re8 32.Bg2 Bc4 33.Qd4 Qg6 34.Rg1 Qh5 35.Bc6 g6 36.Be8 Be6 0–1. ourang – lakisss, kurnik, 2012.

8.Na3 Ne4 9.Nf3 Bg4 10.Be2 f6 11.Nd4 Be2 12.Qe2 e5 13.Nf5 Qa7 14.Bb2 Qa4 15.0-0 c5 16.Qh5 g6 17.Qh4 gf5 18.f3 Nd2 19.Qf6 Nf1 20.Qe5 Kd7 21.Qh8 Qd1 22.Qh7 Be7 23.Qf5 Kc7 24.Qb1 Qe2 25.Qf1 Qb2 26.Nb5 Kc6 27.Na7 Kd6 28.bc5 Kc5 29.Qf2 Qc1 30.Qf1 Qc3 31.Qb5 Kd6 32.Nc8 Ke6 33.Ne7 Qe1 34.Qf1 Qf1 35.Kf1 Ke7 36.Ke2 Ke6 37.Kd3 Kd6 38.e4 de4 39.Ke4 Nc6 40.h4 Ne5 41.f4 Ng4 42.Kf5 Ne3 43.Kf6 Ng2 44.h5 Nf4 45.h6 Nd5 46.Kg6 Ne7 47.Kf6 Ng8 48.Kf5 Nh6 49.Ke4 Nf7 50.Kd4 Ne5 51.Kc3 b5 52.Kb4 Kc6 53.Kb3 Nc4 54.Kb4 Nb6 55.Kb3 Kc5 56.Kc3 Na4 57.Kb3 Kb6 58.Kb4 Nb2 59.Kb3 Nd3 60.Kc3 Nc5 61.Kb4 Ka6 62.Kc5 Ka5 63.Kd4 Ka4 64.Kc3 Ka3 0–1. j1a9n55 – krychaj78, kurnik, 2012.

8.Na3 e5 9.Nf3 Bd6 10.Be2 Bg4 11.h3 Bf3 12.gf3 Nbd7 13.Rg1 0-0 14.Nc2 Ra8 15.Bb2 Ra2 16.Qb1 Qa7 17.Bd3 Qa4 18.Bf5?? (better 18.Na1-/+) 18...Qb3-+ 19.Ke2 (19.Na1 Qb2 20.Qb2 Rb2-+) 19...Qb2 (better 19...Rb2!? 20.Qc1-+) 20.Qb2 Rb2 21.Ra1 g6 (21...Nb6 22.Kd1 g6 23.Kc1-+) 22.Ra8 (22.Bd7 Nd7 23.Kd1 Nb6-+) 22...Kg7 23.Bd7 Rc2 (better 23...Nd7 24.Kd1 Rb1 25.Ke2 Nf6-+) 24.Ra5?? (24.Kd1 Rd2! 25.Kd2 Nd7 26.Ra7-+) 24...Nd7 25.Ra7 Kf6 (25...Rb2 26.Rb7 Nb8 27.h4-+) 26.Rb7 (26.Kd1 Rb2 27.Kc1-+) 26...Ke6 27.h4 (27.e4 Ra2-+) 27...h5 28.Ra7 Be7 (better 28...Rb2 29.Kd1 Rb1 30.Ke2-+) 29.Ra6 (29.Kd1 Rb2 (29...Bh4?! 30.Kc2 e4 31.f4-+) 30.Kc1 Bb4 31.Kb2 Be7-+) 29...Kd6 (better 29...Rc1 30.Rc6 Bd6 31.e4-+) 30.b5 (30.Kd1 Rb2 31.Kc1 Rb4 32.cb4 Bh4 33.b5-+) 30...Nb8 (better 30...Nc5 31.Rc6 Kd7 32.e4-+) 31.Rb6 (31.Ra8 Kc7 32.Ra7 Kd8 33.Rb7-+) 31…Kc7 (31...Kc7 32.Rb8 Kb8 33.bc6 Kc7-+) 0-1. carlos78 (2120) - Pikozrout (2195), Rated Blitz game, lichess.org, 2015.

8.Qa4 Qa6?? 9.Ba6+– (9.Ba6 Na6 10.Nf3+–) 1–0. Salvador Sanchez,Ricardo (1605) – Sanchez Rodriguez,Raul, 20th Obert Internacional Sant Marti Gro, 2018.

8.Qb3 e5 9.Nf3 Bd6 10.c4 -/+.

8.Qb3 e6 9.b5 Be7 (9...Bd6 10.c4=+) 10.c4 0-0 11.Qb2 (11.d4 dc4 12.Bc4 Bd7=+) 11...Nbd7 (11...c5 12.Nf3=+) 12.Nf3 Ne8 (12...c5 13.Be2=+) 13.bc6 Qc6 (13...bc6 14.Qb6 Nb6 15.d3=) 14.cd5 (14.Nd4 Qb6=) 14...ed5 15.Bb5 Qd6 (15...Qf6 16.Nc3 Nb6 17.Qb1=) 16.0-0 Bf6 (16...Qb4 17.Qb4 Bb4 18.Rc1+=) 17.d4+= Nb6 (17...Qe6 18.Rc1 Nd6 19.Bd3+=) 18.Nbd2 (18.Bd3 Be6+=) 18...Nc7 (18...Bf5 19.Rc1=) 19.Bd3+= ½–½. Labitte,Alain (1660) – Gorse,Gerard (2050), Le Touquet op, 2001.

8.Qc2.

8.d3 Bf5 9.Nf3 Nbd7 10.Be2 e5 11.d4 ed4 12.ed4 Bd6 13.0-0 0-0 14.Re1 Qa7 15.Qb3 Re8 16.h3 Re2 17.Re2 Qa1 18.Re1 Qa8 19.Ne5 Ne5 20.de5 Qe8 21.Qd1 Be5 22.f4 Nd7 23.fe5 Ne5 24.Qe2 f6 25.Nd2 Qb8 26.c4 Bd3 27.Qe3 dc4 28.Qd4 b5 29.Kf2 h6 30.g4 Qf8 31.h4 Qb4 32.Nf1 c5 33.Qd5 Kh8 34.Qd8 Kh7 35.Re5 fe5 36.Ne3 Qd2 37.Kf3 Be4 0–1. Rempe,Torge – Diederich,Hauke, Neumuenster, 2000.

8.Bd3 e5 9.Ne2 Bd6 10.Ng3 (--> 7.e3 e5 8.Ne2 Nf6 9.Ng3 Bd6 10.Bd3).

8.Ne2 Bg4 9.Qc2 Nbd7 10.Nd4 e5 11.Nf5 (better is 11.h3!? Bh5 12.Nf5+=) 11...g6-+ 12.Ng3 Be6 13.h4 h5 14.d3 Bg7 (better is 14...Bd6!?-+) 15.Nd2-/+ 0-0 16.Be2 Ra8 17.0-0 Bg4 18.Nf3 Qa7 (18...Bf8!?-/+) 19.Bb2= Qb6 20.Ra1 Ra1 21.Ba1 Qa7 22.Qb2 (22.Bb2 Qa2+=) 22...Qb8 (22...e4 23.de4 Ne4 24.Ne4 de4 25.Nd4-/+) 23.Nh2 (better is 23.c4!?=) 23...Be2-/+ 24.Ne2 Qd6 25.c4 (25.Qa2!?-/+) 25...dc4-+ 26.dc4 Qd1 27.Nf1 Ne4 28.Nc3 (28.Nc3 Nc3 29.Qc3-/+). rvac066 – ab45ad46, kurnik, 2014.

8.Nf3 (--> 7.Nf3 Nf6 8.e3).

8.Na3 Qa7 9.Bb2 e6 10.Qb3 (10.e3 Bd6=) 10...Nf6 11.e3 Bd6 12.d4 (12.Be2 e5=) 12...Nbd7 (12...Qb6 13.Be2=+) 13.c4 0-0 14.c5 Bc7 15.Be2 Bg4 (15...Ra8 16.Nh4=) 16.h3 Bf3 17.Bf3 e5 18.0-0 ed4 (18...e4 19.Be2=) 19.ed4 (19.Bd4 Be5+=) 19...Re8 20.Bc1 (20.b5 Qa5=) 20...Ra8 (20...b6 21.Be3=) 21.Re1 h6 (21...b6 22.Qe3=) 22.g3 (22.b5 Qa4 23.Qa4 Ra4+=) 22...Nf8 23.Nc2 Ne6 24.Qd3 Qa6 Black gets in control 25.Qf5 (25.Be2 Qd3 26.Bd3 b6+=) 25...Qc4= 26.Be3 Ra2 27.Rc1 Bd8 28.Bd1 Ne4 29.Qg4 Bg5 30.f4 Bf6 Pawn d4, live or die! 31.h4? (31.f5 Bg5 32.Bg5 N6g5-+) 31...Rc2?? (better is 31...Qc3 32.Qe2 Ng3-+) 32.Rc2 (32.Bc2 Bd4 33.Re1-+) 32...Qb4-/+ 33.Kh2 Qe1 34.f5 (34.Be2 Bd4 35.Rc1 Qg3 36.Qg3 Ng3 37.Kg3 Be3 38.Rb1 Bf4 39.Kg4-+) 34...Nd4 (34...Qe3?! 35.fe6 Bd4 36.ef7 Kf7 37.Qd7 Kf6 38.Qd8 Kg6 39.Rg2 Nc5 40.Qg8-+; 34...Bd4 35.Re2 Qd1 36.fe6 Bc5 37.ef7 Kf7 38.Bc5+–) 35.Bd4 Bd4 Threatening mate... how? 36.Bf3 h5! 37.Qf4 (37.Qh5 Qg1 The nicest combinations are those leading to mate) 37...Qg1 38.Kh3 Qf1 (38...Nf2 39.Rf2 Qf2 40.Qb8 Kh7 41.Bh5 Qf1 42.Kh2 Bg1 43.Kh1 Bc5 44.Kh2 Bg1 45.Kh1 Ba7 46.Kh2 Qf2 47.Kh3 Bb8 48.Bg6 Kh6 49.Bf7 Qg3) 39.Bg2 Qf4 40.gf4 Nc5 (41.Bf3 b5-+) 0–1. Antoszkiewicz,G – Froehlich,R, M44D, 1991.

8.Na3 Nf6 9.Nc2 =+.

8.Bb2 c5 9.Qa4+= Nc6 10.Na3 cb4 11.Nb5 bc3 (11...f6!?=) 12.Bc3+= Qd8 13.e4 Be4 14.Nbd4 f6 15.Nc6 bc6 16.Qc6 Qd7 (16...Kf7 17.Nd4 Qd6 18.Qd6 ed6 19.f3+/-) 17.Qa8+/- Kf7 18.Nd4 Nh6?? (better is 18...Bf5+/-) 19.Bb5+– Qg4 (19...Qd6 20.Bb4! Qb4 21.Qe8 Kg8+–) 20.f3 Qg2 (20...Qg6 21.Be8 Kg8 22.Bg6 Bg6+–) 21.Rf1 (21.Qe8 Kg8 22.Ne6 Qh1 23.Bf1 Qf1 24.Kf1 Bd3 25.Kg1 Nf5 26.Qf8) 21...Qh3 (21...Nf5 22.Qe8 Kg8+–) 22.fe4 Qh4 23.Kd1 Qe4 24.Kc1 (24.Kc1 Ng4 25.Bd7+–) 1–0. gioco1b4 (2515) – Samcastle (2260), 2013.

8.Bb2 Nf6!? +=.

8.Nd4 Bb1 9.Qb1 c5=.

8.Nd4 Bd7 9.g3 e6 10.Bg2 Nf6 11.0-0 Be7 12.Nf3 0-0 13.Ne5 Bd6 14.Nd7 Nbd7 15.e3 Qa7 16.Bb2 Ne5 17.d3 (17.Na3 Qa6+=) 17...b6 (better is 17...Qa2 18.Ba3 Ra8-/+) 18.c4= Bc7 19.h3 dc4 20.dc4 Nfd7 (20...Qa2 21.Be5 Be5 22.Qd3+=) 21.Bc6 Nc6 (worse is 21...Nc4 22.Bg7 (22.Qd7?! Nb2 23.Qd4 Qa2+=) 22...Kg7 23.Qg4 Kh8 24.Qc4+– (worse is 24.Bd7 Ne5 25.Qd4 Rd8+=)) 22.Qg4?? (better is 22.Qd7 Nb4 23.Rd1+=) 22...g6 23.Qh4 f5 (23...Nb4 24.Na3 Be5 25.Nb5-+) 24.Qh6? (better is 24.b5 Nde5 25.Be5-+) 24...Be5 25.Be5 Nce5 26.c5 (26.Rc1 Qa2 27.Rf1 Nf3 28.Kg2 Nde5-+ (worse is 28...Qc4 29.Qf4 Nfe5 30.Qc4 Nc4 31.Rd1-+)) 26...bc5 27.bc5 Qc5 28.Qf4 Nd3 29.h4 Nf4 0–1. Knightprancer – Valpa, playchess.de, 2004.

8.Nd4 Be4 =.

8.e3 Nd7 9.d3 e6 10.Be2 Ngf6 11.0-0 Be7 12.Nd4 Bg6 13.Nd2 0-0 14.Bb2 Ra8 15.N2b3 c5 16.bc5 Nc5 17.Nc5 Qb2 (17...Qc5?! 18.Qb3=) 18.Ncb3 (18.Qb3 Qb3 19.Ncb3 e5-/+) 18...Ra2 19.Bf3 (better is 19.f4!?-/+) 19...Qc3-+ 20.Qb1 (20.Qc1 Qc1 (20...Qd3 21.Qc8 Bf8 22.Nc1+=) 21.Rc1 Bd3 22.Rc8 Bf8-+) 20...Qb2 21.Be2 (21.Qb2 Rb2 22.Nc1-+) 21...e5 0–1. oldi62 (1700) – almaster (1795), kurnik, 2013.

8.g3 Qa7=+ 9.Nd4 Be4 10.f3 Bf3 11.ef3 (11.Nf3 Qa1) 11...Qa1 12.Qb3 (12.Nb3 Qa2=+) 12...e5-/+ 13.Nc2 Qa7 14.b5 (14.c4 dc4 15.Bc4 b5-/+) 14...Bd6 15.d3 (15.c4 Nf6-/+) 15...Nf6-+ 16.Nd2 Bc5 (16...0-0 17.Bh3-+) 17.d4 (17.bc6 Bf2 18.Kd1 bc6-+) 17...ed4 18.cd4 Bd4 19.Nd4 Qd4 20.bc6 Nc6 (better is 20...Qa1!? 21.Ke2 Qe5 22.Kf2 bc6-+) 21.Qb7-/+ Qe5 22.Kf2 Nd8 (22...Qd4 23.Ke1 Qa1 24.Kf2 Qa7 25.Qa7 Na7 26.Bh3-/+) 23.Bb5 Kf8 24.Qb6 (24.Qa7 g6 25.Qa3 Kg7-/+) 24...Ne6 25.Rc1 (25.Kg2 g5-/+) 25...g6-/+ 26.Re1 Qb2 27.Qa5 Kg7 28.h4 Rc8-+ 29.Rb1 Qd4 30.Kg2? Rc2 31.Rd1 Nc5 32.Kh3 Nb3!! (33.Qa4 Rd2 34.Qd4 Rd4-+ (34...Nd4?! 35.Rd2 Nb5 36.g4-+)) 0–1. Deforel – Bendig,Frank, corr 3GMM–36, 1996.

9.Qa2 A) 9...e5 10.d4 (10.d3 Ngf6 11.Qa8 Ke7 12.h3 Kd6 13.Nbd2 Kc7 14.g4 Bg6 15.Nh4) 10...e4 11.Nfd2 Be7 12.g4 Be6 13.c4 Nh6 14.g5 Bg5 15.e3; B) 9...e6 10.e3 (10.Nh4 Nh6 11.Nf5 Nf5 12.Bb2 Be7 13.e3 0-0 14.Be2 Qc7 15.0-0; 10.Qa8 Qd8 11.Qd8 Kd8 12.Na3 Ngf6 13.Nh4 Bg6 14.Ng6 hg6 15.e3; 10.Nd4 Bg6 11.Qa8 Ke7 12.Na3 e5 13.Nf3 Ngf6 14.e3 Ne4 15.Nh4; 10.g3 Ngf6 11.Qa8 Ke7 12.Qa2 g6 13.Bg2 Bg7 14.0-0 Be4 15.d3; 10.Na3 Ngf6 11.Nc2 Bg6 12.Ncd4 e5 13.Nb3 Ne4 14.Qa8 Ke7 15.e3; 10.d3 Bd6 11.e4 de4 12.de4 Be4 13.Nbd2 Bf3 14.Nc4 Qc7 15.Nd6; 10.h4 Be7 11.Nd4 Nh6 12.Nf5 Nf5 13.g4 Nh6 14.Qa8 Bd8 15.f3; 10.b5 Nh6 11.Nd4 Bd6 12.Qa8 Nb8 13.Qa2 0-0 14.e3 Nd7 15.c4; 10.h3 Nh6 11.Qa8 Qd8 12.Qd8 Kd8 13.d3 Kc7 14.g4 Bg6 15.Nbd2; 10.Bb2 Ngf6 11.Nd4 Bg6 12.Qa8 Ke7 13.Na3 e5 14.Nf3 Ne4 15.e3) 10...Nh6 11.Na3 Be7 12.Nc2 0-0 13.Be2 Be4 14.0-0 Ng4 15.d3; C) 9...Nh6 10.c4 (10.d4 e6 11.Nbd2 Be7 12.Qa8 Bd8 13.Nb3 0-0 14.Na5 Bc7 15.Qb7; 10.d3 e5 11.Nbd2 f6 12.e3 Kf7 13.Be2 Be6 14.0-0 Nf5 15.Qa4; 10.Qa8 Qd8 11.Qd8 Kd8 12.d3 e5 13.Nbd2 Kc7 14.e4 Bg4 15.h3) 10...dc4 11.e3 e5 12.Na3 Qb4 13.Nc4 f6 14.Bc3 Qb1 15.Qb1; D4) 9...f6 10.d3 (10.Nd4 Nh6 11.d3 Bg4 12.h3 e5 13.Nc6 bc6 14.hg4 Ng4 15.e3; 10.Nh4 Nh6 11.Nf5 Nf5 12.d4 e6 13.e4 Nd6 14.Nd2 Be7 15.Bd3; 10.d4 e5 11.Nbd2 Ne7 12.Bb2 Kf7 13.e4 Be6 14.de5 Ne5 15.Nd4; 10.Na3 e5 11.Nc2 Ne7 12.Ne3 Be6 13.g3 Kf7 14.Bg2 Nf5 15.Bh3; 10.Bb2 Nh6 11.Nd4 e6 12.d3 Kf7 13.e4 Bg4 14.f3 Bh5 15.g4; 10.e3 Nh6 11.Nd4 e6 12.Be2 Kf7 13.0-0 Bd6 14.Bb2 Bg6 15.c4; 10.h3 Nh6 11.Nd4 e6 12.d3 c5 13.bc5 Nc5 14.Nd2 Bg6 15.g4) 10...e5 11.Nbd2 Kf7 12.e3 Be6 13.Be2 Bd6 14.0-0 Ne7 15.Bb2; E) 9...Ngf6 10.Nh4 (10.d3 e5 11.Qa8 Ke7 12.h3 Kd6 13.g4 Bg6 14.Nbd2 Kc7 15.Nh4; 10.e3 e5 11.Be2 Bd6 12.Nh4 Be6 13.Qa8 Bb8 14.Na3 0-0 15.Qa4; 10.h3 e6 11.d3 Bd6 12.g4 Bg6 13.Nbd2 0-0 14.Bg2 Bf4 15.Bb2; 10.Nd4 Bb1 11.Qb1 e5 12.Nf3 Bd6 13.e3 0-0 14.Be2 Ra8 15.0-0) 10...Bb1 11.Qb1 e6 12.Qa2 Be7 13.e3 0-0 14.Nf3 Ne4 15.d3.

9.d3 A) 9...e6 10.Nbd2 (10.h3 Bd6 11.g4 Bg6 12.h4 Ngf6 13.Bh3 h5 14.gh5 Nh5 15.Nbd2; 10.Qa4 Bd6 11.Nbd2 Ngf6 12.Qa8 Bb8 13.Nd4 Bg6 14.Qa5 Qa5 15.ba5; 10.Nd4 Ngf6 11.g3 Bd6 12.Nd2 0-0 13.Qa4 Re8 14.Bg2 Bg6 15.0-0) 10...Ngf6 11.h3 Bd6 12.g4 Bg6 13.Bg2 0-0 14.Qa4 h6 15.0-0; B) 9...e5 10.Qa4 (10.e4 Be6 11.Qa4 de4 12.de4 Bc5 13.Qc2 Be7 14.Nbd2 Ngf6 15.Be2; 10.Qa2 Be7 11.e4 de4 12.de4 Be4 13.Nbd2 Bf3 14.gf3 Qd8 15.Qa7; 10.Qa3 Be7 11.Qa8 Bd8 12.e4 de4 13.de4 Be4 14.Nbd2 Ngf6 15.Nc4) 10...Be7 11.h3 Ngf6 12.g4 Be6 13.Nbd2 0-0 14.Bg2 c5 15.Qa5; C) 9...Nh6 10.h3 (10.Nbd2 Ng4 11.d4 e6 12.Nh4 Bd6 13.h3 Nh2 14.Bb2 0-0 15.Rh2; 10.Qa4 f6 11.Nd4 Bg4 12.h3 e5 13.hg4 ed4 14.f3 Kf7 15.Na3; 10.Nh4 Ne5 11.Nf5 Nf5 12.d4 Nc4 13.e4 Nh4 14.Qa2 Qc7 15.ed5) 10...e5 11.Nbd2 Be7 12.g4 Be6 13.Bb2 0-0 14.Qa4 f5 15.g5; D) 9...Ngf6 10.Nbd2 (10.h3 h5 11.Nbd2 e5 12.Qa2 Be7 13.Ng5 0-0 14.e4 Bg6 15.Be2; 10.Qa4 e6 11.Qa8 Ke7 12.Nbd2 g6 13.Nd4 Ne5 14.h3 h5 15.f4; 10.Qa2 e6 11.Qa8 Ke7 12.h3 h5 13.Nbd2 g6 14.Qa3 Bh6 15.c4; 10.Qa3 e5 11.Qa8 Ke7 12.h3 g6 13.Nbd2 e4 14.Nd4 ed3 15.ed3; 10.Nh4 Bg6 11.Nd2 e6 12.Ng6 hg6 13.e3 Bd6 14.d4 e5 15.Be2; 10.Nd4 Bg6 11.Qa3 e5 12.Qa8 Ke7 13.Nf3 e4 14.de4 de4 15.Nh4) 10...e5 11.h3 Bd6 12.g4 Be6 13.Ng5 0-0 14.Qa2 c5 15.Ne6.

9.d4 A) 9...e6 10.Nbd2 (10.Nh4 Nh6 11.Nd2 Nf6 12.h3 Bd6 13.Nf5 Nf5 14.g4 Nh4 15.Bb2) 10...Be7 11.e3 Nh6 12.Be2 0-0 13.0-0 Ra8 14.Bb2 Bg6 15.Ra1; B) 9...Ngf6 10.Nh4 e6 11.Nf5 ef5 12.e3 Bd6 13.Bd3 0-0 14.Bf5 g6 15.Bc2; C) 9...h6 10.Nh4 (10.Nbd2 e6 11.Qa2 Ngf6 12.Qa8 Ke7 13.Bb2 g5 14.Qa2 Bg7 15.e3; 10.Qa2 e6 11.Nbd2 Ngf6 12.Qa8 Ke7 13.Bb2 Ne4 14.Nh4 Nd2 15.Nf5; 10.e3 Ngf6 11.c4 e6 12.c5 Qa7 13.Qa3 Qa3 14.Na3 Be7 15.Bb2) 10...Bh7 11.Nd2 e6 12.Bb2 Ngf6 13.Qa4 Bd6 14.Qa8 Bb8 15.e3; D) 9...g6 10.Nbd2 (10.Qa2 Ngf6 11.Nbd2 e6 12.Nh4 Rg8 13.Nf5 gf5 14.g3 Bd6 15.Bg2; 10.Nh4 Nh6 11.Nd2 Nf6 12.c4 Bd7 13.Qa4 Qd8 14.cd5 cd5 15.Qa7) 10...Ngf6 11.Qa4 Qd8 12.Nh4 Be6 13.e3 Bh6 14.Bd3 0-0 15.0-0; E) 9...Nh6 10.Nbd2 (10.Qa2 e6 11.Nbd2 Bd6 12.e4 de4 13.Ng5 0-0 14.Nde4 Be7 15.Be2; 10.g3 e6 11.Nbd2 Bd6 12.Bg2 0-0 13.0-0 Ra8 14.Bb2 Ng4 15.Nh4; 10.h3 e6 11.Nbd2 Bd6 12.g4 Bg6 13.g5 Nf5 14.e4 de4 15.Ne4) 10...e6 11.Qa4 Bd6 12.e4 de4 13.Nc4 Qc7 14.Qa8 Nb8 15.Nd6.

9.Nd4 A) 9...Nh6 10.Na3 (10.Nf5 Nf5 11.d3 e6 12.e4 Nh6 13.Be2 Bd6 14.Nd2 0-0 15.Qa2; 10.Qa2 e5 11.Nf5 Nf5 12.g3 g6 13.Bh3 Bg7 14.0-0 0-0 15.d3) 10...Bg6 11.f4 e5 12.fe5 Ne5 13.Qa4 Be7 14.Qa8 Bd8 15.c4; B) 9...Bg6 10.f4 e5 11.fe5 Ne5 12.Na3 Nf6 13.e3 Be7 14.Be2 Ne4 15.d3.

9.Nh4 A) 9...Bg6 10.Ng6 (10.e3 Ngf6 11.Ng6 hg6 12.Na3 e6 13.Qa4 Be7 14.Bb2 0-0 15.Be2; 10.Qa2 e6 11.Ng6 hg6 12.e3 Ngf6 13.Be2 Bd6 14.d4 0-0 15.Nd2; 10.Na3 Ngf6 11.Ng6 hg6 12.e3 e6 13.Qa4 Bd6 14.Be2 0-0 15.Bb2) 10...hg6 11.e3 Ngf6 12.Na3 e6 13.Qa4 Bd6 14.Be2 Ke7 15.Nc2; B) 9...Nh6 10.Nf5 (10.d3 e6 11.Nf5 ef5 12.Qa4 Be7 13.Nd2 0-0 14.h3 f4 15.Nb3; 10.Na3 e6 11.Nf5 Nf5 12.g4 Nh4 13.Nc2 h5 14.gh5 Rh5 15.c4; 10.Qa2 e6 11.Nf5 Nf5 12.e3 Be7 13.Be2 0-0 14.0-0 Bd6 15.d4) 10...Nf5 11.d3 e6 12.e4 Nh6 13.Be2 Bd6 14.Nd2 0-0 15.Qa2.

9.Na3 A) 9...Nd7 10.Qa4 (10.Nd4 Ngf6 11.Nf5 ef5 12.Nc2 Bd6 13.Nd4 g6 14.e3 0-0 15.Bb2; 10.Nc2 Bd6 11.Ncd4 Ne7 12.Nf5 Nf5 13.g4 Nh6 14.Bh3 0-0 15.Qa4) 10...Ngf6 11.Nd4 Bd6 12.Qa8 Nb8 13.Nf5 ef5 14.Nc2 0-0 15.Qa5; B) 9...Nf6 10.Nh4 (10.e3 Nbd7 11.Nc2 e5 12.c4 Bd6 13.Qa2 dc4 14.Bc4 0-0 15.0-0; 10.Nc2 Nbd7 11.Ncd4 Bg6 12.Qa2 e5 13.Nb3 Ne4 14.e3 Be7 15.Qa5; 10.Bb2 Nbd7 11.Nd4 Bg6 12.Qa4 e5 13.Qa8 Qd8 14.Qd8 Kd8 15.Nf3) 10...Nbd7 11.Nf5 ef5 12.Nc2 Bd6 13.Nd4 g6 14.e3 0-0 15.Bb2; C) 9...Nh6 10.c4 (10.e3 Nd7 11.c4 f6 12.cd5 ed5 13.Nc2 Kf7 14.Bd4 c5 15.Bc3; 10.Nc2 Nd7 11.Ncd4 Be7 12.g3 0-0 13.Qa4 Ng4 14.h3 Nge5 15.Ne5) 10...Na6 11.cd5 ed5 12.Nc2 f6 13.Ncd4 Qb4 14.Qd1 Nc5 15.Nf5; D) 9...Na6 10.e3 (10.Nd4 Nh6 11.g3 Bg6 12.Bh3 Bd6 13.0-0 0-0 14.f4 Ra8 15.Bb2; 10.Nc2 Bd6 11.Ncd4 Nh6 12.Bb2 0-0 13.Nf5 ef5 14.Qc2 c5 15.e3; 10.Qa4 Bd6 11.e3 Ne7 12.c4 Qb4 13.Qb4 Bb4 14.Bg7 Rg8 15.Bb2) 10...Nh6 11.Nd4 Bd6 12.Be2 0-0 13.0-0 Ra8 14.Bb2 c5 15.Nf5; E) 9...Bd6 10.c4 (10.Nd4 Ne7 11.Nf5 Nf5 12.g4 Nh6 13.Bh3 0-0 14.c4 Qb4 15.Qb4; 10.Nh4 Nd7 11.Nf5 ef5 12.Nc2 Ngf6 13.Nd4 g6 14.e3 0-0 15.Bb2; 10.Nc2 Nd7 11.Ncd4 Ngf6 12.Nf5 ef5 13.Nd4 g6 14.e3 0-0 15.Bb2) 10...Nf6 11.cd5 Qb4 12.Qb4 Bb4 13.dc6 Nc6 14.Nc4 0-0 15.Bb2.

9.Nd4 A) 9...Nf6 10.Nf5 ef5 11.Qc2 Nbd7 12.e3 f4 13.Be2 Bd6 14.c4 dc4 15.Na3; B) 9...Nh6 10.d3 (10.Na3 Bd6 11.Nf5 Nf5 12.g4 Nh6 13.Bh3 Nd7 14.g5 Nf5 15.Bf5; 10.g3 Nd7 11.Na3 Bg6 12.Bh3 Bd6 13.0-0 0-0 14.Nac2 Nf6 15.Ne3) 10...Bg6 11.h4 e5 12.h5 Bd3 13.ed3 ed4 14.Na3 Bd6 15.Nc2; C) 9...Bg6-/+ 10.d3 (10.e4 Be4 11.d3 Bg6 12.Nd2 Nd7 13.Be2 Ngf6 14.0-0 Bd6 15.Bb2; 10.Na3 Nf6 11.f4 Nbd7 12.e3 Bd6 13.Be2 0-0 14.0-0 Ra8 15.Bb2; 10.e3 Nf6 11.Be2 Nbd7 12.0-0 Bd6 13.Qa4 0-0 14.Na3 e5 15.Nb3) 10...Nf6 11.Nd2 Bd6 12.g3 e5 13.N4f3 Nbd7 14.Bh3 0-0 15.0-0.

9.e3 Nd7 (9...Nh6 10.Na3 (10.Be2 Nd7 11.0-0 Bd6 12.c4 dc4 13.Qc4 0-0 14.b5 Ra8 15.bc6; 10.Nd4 Nd7 11.Be2 Bd6 12.0-0 0-0 13.Qa4 Bg6 14.Na3 Nf6 15.f4; 10.Nh4 Nd7 11.c4 Be4 12.Be2 f6 13.Nc3 Qb4 14.Qa2 Qa3 15.Qb2; 10.c4 Na6 11.cd5 Nb4 12.Bd4 Bc5 13.Bc5 Qc5 14.Nc3 ed5 15.Nd4; 10.Qb2 f6 11.Nd4 Nd7 12.Nf5 Nf5 13.b5 Bd6 14.bc6 bc6 15.c4) 10...Nd7 11.Nd4 Bd6 12.Be2 0-0 13.Qa4 Be4 14.0-0 Ne5 15.f3; 9...Bd6 10.Nd4 (10.Nh4 Nd7 11.Nf5 ef5 12.c4 Ngf6 13.cd5 0-0 14.dc6 bc6 15.Bc3; 10.c4 Nf6 11.Nd4 Bb1 12.Qb1 Qb4 13.Qb4 Bb4 14.cd5 ed5 15.Bd3) 10...Bg6 11.c4 Qb4 12.Qb4 Bb4 13.Ne6 Nf6 14.Ng7 Ke7 15.Nc3) 10.d4 (10.Na3 Bd6 11.Nd4 Ne7 12.Be2 0-0 13.0-0 Ra8 14.Bb2 Bg6 15.f4; 10.Nd4 Bg6 11.Na3 Ngf6 12.Qa4 Be7 13.Be2 0-0 14.0-0 e5 15.Nf3; 10.Qa2 Nh6 11.Qa8 Qd8 12.Qd8 Kd8 13.Na3 Kc7 14.Nd4 Be7 15.Nf5; 10.Be2 Ngf6 11.Nd4 Be4 12.f3 Bg6 13.0-0 e5 14.Nc2 Be7 15.c4) 10...Bd6 11.Be2 (11.Nbd2 Ne7 12.Be2 0-0 13.Qa4 e5 14.0-0 e4 15.Nh4) 11...Ngf6 12.Nbd2 (12.Nh4 0-0 13.Nd2 Bg4 14.f3 Bh5 15.g4) 12...0-0 13.0-0 Ra8 14.Bb2 (14.Nh4 Bg4 15.f3) 14...Qc7 (14...h6 15.Ra1 Ra1 16.Ba1=+; 14...e5 15.c4) 15.b5 (15.c4 Ng4 16.g3 Be7=; 15.h3=+) 15...c5 (15...Ne4 16.g3-/+) 16.c4=+ b6 (16...h6 17.g3=+) 17.h3 h6 18.Rc1 Rd8 (18...cd4 19.ed4 Qb8 20.Nf1=+) 19.cd5 ed5 20.dc5 bc5 21.Nd4 Be6 (21...Bh7 22.Nc6 Ra8 23.Qd1=) 22.Nc6 (22.Qa2 c4=) 22...Ra8 23.Nf3 (23.Qc2 Qb6=) 23...Ne4=+ 24.Nfd4?? (better 24.Qc2=+) 24...Bh2-+ (24...cd4? 25.Ne7 Kf8 26.Rc7 Bc7 27.Nc6+–) 25.Kf1 Nd2 26.Ke1 Nb3 (26...cd4 27.Kd2 Nf6 28.Bd4 Ne4 29.Ke1+–) 27.Nb3 c4 28.Nbd4 Nc5 29.Bc3 (29.Rc2 Bd6 30.Kf1 Qb7-+) 29...Na4 (29...Ne4 30.Bf3-+) 30.Bb4 (30.Ra1 Qb7 31.Ba5 Nc5-+) 30...Bd6 31.Bf3 (31.Bd6 Qd6 32.Ra1 Nb6-+) 31...Bb4 32.Nb4 Qa5 33.Ndc6 Qb5 34.Bd5 (34.Nd5 Nc5 35.Rd1 Bd5 36.Ne7 Kf8 37.Nd5 Ra2-+) 34...Bd5 35.Nd5 (35.Ne7 Kf8 36.Ned5-+) 35...Qb2 36.Rc4 Qb1 (36...Nc5 37.Na7 Ra7 38.Nf6 Kh8 39.Rc1 Ra2 40.Rc2 Qc2 41.Kf1 Qf2) 37.Kd2 Qa2 38.Rc2 Qd5 39.Kc1 Qg2 (39...Qg2 40.Nd4 Qf1 41.Kd2 Qf2 42.Kd3 Nb2 43.Ke4 f5 44.Kd5 Qe3 45.Ne6 Qe4 46.Kd6 Ra6 47.Rc6 Rc6 48.Ke7 Qe6 49.Kd8 Rc8) 0–1. Sokac,Marko (1810) – Blazeka,Matej (2210), Topusko CRO, Ch U17 (b) (2), 2011.

9.Nh4 A) 9...Nf6 10.Nf5 (10.e3 Bg6 11.Ng6 hg6 12.d4 Bd6 13.Nd2 Nbd7 14.Be2 g5 15.Bb2) 10...ef5 11.e3 Nbd7 12.c4 Bb4 13.cd5 cd5 14.Bd4 Bc5 15.Qb6; B) 9...Nd7 10.Nf5 ef5 11.Qa2 Ngf6 12.Qa8 Ke7 13.e3 g6 14.Qa2 Bh6 15.c4; C) 9...Bg6 10.d4 (10.Ng6 hg6 11.d4 Nf6 12.Nd2 Nbd7 13.Bb2 Bd6 14.e3 e5 15.b5; 10.Na3 Nd7 11.Nc2 Ngf6 12.Ng6 hg6 13.c4 Bd6 14.cd5 ed5 15.Qa2; 10.e3 Nd7 11.Ng6 hg6 12.d4 Bd6 13.Nd2 Ne7 14.Bd3 e5 15.Bb2) 10...Nd7 11.Nd2 Bh5 12.h3 Ngf6 13.g4 Bg6 14.Bg2 Bd6 15.Bb2; D) 9...Nh6 10.e3 (10.d4 Nd7 11.Nd2 Nf6 12.f3 Be7 13.g4 Nd7 14.Nf5 ef5 15.Bh3; 10.d3 Nd7 11.Nf5 Nf5 12.e4 Nd6 13.ed5 ed5 14.d4 Be7 15.Bd3; 10.Nf5 Nf5 11.g4 Nd6 12.Na3 Nd7 13.e3 h5 14.gh5 Rh5 15.Be2; 10.Qa2 Nd7 11.d4 Be7 12.Nf5 Nf5 13.Nd2 Nf6 14.Bb2 0-0 15.e3; 10.Na3 Nd7 11.Qa4 Be7 12.Nf5 Nf5 13.e3 0-0 14.Be2 Qc7 15.0-0) 10...Nd7 11.c4 Be4 12.Be2 Nc5 13.Qa3 Na6 14.Nc3 Bb4 15.Qb2.

9.Na3 A) 9...e6 10.e3 (10.c4 Na6 11.cd5 ed5 12.b5 f6 13.Nd4 Nc5 14.Qb2 Qc7 15.bc6; 10.Nd4 Bd6 11.Nf5 Nf5 12.g4 Nh6 13.Bh3 0-0 14.c4 Qb4 15.Qb4; 10.Nc2 Nd7 11.Qa2 Be7 12.e3 0-0 13.Be2 Be4 14.0-0 Qc7 15.d3) 10...Nd7 11.c4 f6 12.Nc2 Nc5 13.Qa2 Nd3 14.Bd3 Bd3 15.c5; B) 9...Nd7 10.c4 (10.Qa4 e5 11.e3 Be7 12.c4 0-0 13.Bc3 Ng4 14.cd5 cd5 15.h3; 10.Nc2 e6 11.Qa2 Be7 12.e3 0-0 13.Be2 Be4 14.0-0 Ng4 15.d3; 10.e3 e5 11.Qa4 Be7 12.c4 0-0 13.cd5 cd5 14.Ne5 Qb4 15.Qb4) 10...Nc5 11.Qb2 Ne4 12.c5 Qd8 13.d3 Nf6 14.h3 Nd7 15.Nc2.

9.d3 A) 9...Nd7 10.Qa4 (10.Qa2 e5 11.Nbd2 f6 12.e3 Kf7 13.Be2 Be6 14.0-0 Bd6 15.Bb2) 10...f6 11.Nd4 Bg4 12.h3 e5 13.hg4 ed4 14.f3 Bd6 15.cd4; B) 9...e6 10.h3 (10.Nd4 Bg6 11.Nd2 e5 12.N4f3 Nd7 13.Qa4 f6 14.h3 Kf7 15.e4; 10.Nbd2 Ng4 11.e3 Nd7 12.Nd4 Bg6 13.Be2 Ndf6 14.0-0 Bd6 15.h3) 10...Bd6 11.Nbd2 0-0 12.e4 Bg6 13.Be2 Nd7 14.0-0 Ra8 15.Bb2; C) 9...Ng4 10.d4 Nd7 11.h3 Ngf6 12.Nbd2 e6 13.g4 Bg6 14.g5 Ne4 15.h4.

9.d4 A) 9...Nd7 10.Nbd2 (10.Qa2 e5 11.de5 Ng4 12.Nd4 Be7 13.Nd2 Bg6 14.h3 Nh6 15.Qa8) 10...e6 11.Qa2 Bd6 12.e4 de4 13.Nc4 Qc7 14.Qa8 Nb8 15.Nd6; B) 9...e6 10.Nbd2 (10.g3 Nd7 11.Nbd2 Be7 12.Bg2 0-0 13.0-0 Ra8 14.Bb2 Qb5 15.Re1; 10.Nh4 Nd7 11.Nd2 Nf6 12.f3 Be7 13.g4 Nd7 14.Ng2 Bg6 15.h4; 10.h3 Nd7 11.Nbd2 Bd6 12.g4 Bg6 13.g5 Nf5 14.e4 de4 15.Ne4) 10...Be7 11.e3 Nd7 12.Be2 0-0 13.0-0 Ra8 14.Bb2 Bg6 15.Ra1.

9.h3 Nd7 (9...e6 10.d3 Bd6 11.Nbd2 0-0 12.e4 Bg6 13.Be2 Nd7 14.0-0 Re8 15.Bb2) 10.g4 (10.Na3 e6 11.g4 Be4 12.Bg2 Be7 13.d3 Bf3 14.Bf3 0-0 15.d4; 10.d4 e6 11.Nbd2 Be7 12.e3 0-0 13.Be2 Ra8 14.0-0 Bg6 15.Bb2; 10.Qa2 e6 11.Bb2 Be7 12.d3 0-0 13.Nbd2 Bg6 14.e3 Bf6 15.g4; 10.d3 e5 11.Nbd2 Be7 12.Qa4 0-0 13.Bb2 Be6 14.e3 c5 15.b5) 10...Bg6 11.d3 e5 12.Nbd2 Bd6 13.Bb2 0-0 14.e4 f6 15.ed5.

9.Nh4 A) 9...e6 10.e3 (10.Nf5 Nf5 11.g4 Nh4 12.c4 Nd7 13.cd5 cd5 14.f3 f6 15.Nc3; 10.d3 Nd7 11.Nf5 ef5 12.Qa4 Be7 13.Nd2 Ng4 14.d4 0-0 15.h3; 10.d4 Nd7 11.Nd2 Nf6 12.h3 Bd6 13.Nf5 Nf5 14.g4 Nh4 15.g5; 10.Qa2 Nd7 11.Nf5 Nf5 12.e3 Be7 13.Be2 0-0 14.0-0 Qc7 15.d4; 10.Na3 Nd7 11.Nf5 Nf5 12.g4 Nd6 13.e3 Be7 14.c4 Ne4 15.c5) 10...Nd7 11.c4 Be4 12.Be2 Nc5 13.Qa3 Na6 14.Nc3 Bb4 15.Qb2; B) 9...Be6 10.Qa4 (10.d4 Nf5 11.Nf3 g6 12.Nbd2 Bh6 13.h4 Nd7 14.Ng5 Nf6 15.e3; 10.e3 Nd7 11.Qa4 Ne5 12.f4 Ng6 13.Nf3 Nf5 14.Be2 h5 15.0-0; 10.Qc2 Na6 11.e3 g5 12.Nf3 Bg7 13.Ng5 Nb4 14.Qc1 Bf5 15.cb4; 10.d3 Nd7 11.Nf3 Bf5 12.Qa4 f6 13.Nd4 Bg4 14.h3 e5 15.hg4; 10.Bb2 Nd7 11.d4 g6 12.Nd2 Bg7 13.e3 0-0 14.Bd3 Bf6 15.Nhf3; 10.Nf3 Nd7 11.Qa2 Bf5 12.c4 dc4 13.e3 e5 14.Na3 Qb4 15.Nc4; 10.Qa3 Nf5 11.Nf3 Na6 12.e3 f6 13.Be2 Kf7 14.Bb2 Bd7 15.Qa2) 10...Nf5 11.Nf3 f6 12.Na3 Kf7 13.e3 Bd7 14.d4 Na6 15.Bd3; C) 9...Bd7 10.Nf3 (10.e3 e6 11.Na3 c5 12.Nf3 Nc6 13.Bb5 c4 14.Qa4 Be7 15.Bb2; 10.h3 Nf5 11.Nf5 Bf5 12.d3 Nd7 13.g4 Bg6 14.Nd2 e6 15.Qa4; 10.g3 Na6 11.Nf3 e6 12.d4 Ng4 13.Nbd2 Bd6 14.Bg2 0-0 15.h3; 10.Bb2 Na6 11.e3 e5 12.Na3 e4 13.Ba6 ba6 14.g3 a5 15.Qa4; 10.Qc2 e5 11.e3 Be7 12.Nf3 f6 13.Be2 Bf5 14.d3 0-0 15.0-0; 10.Na3 Na6 11.e3 e5 12.Nf3 f6 13.Be2 Bd6 14.0-0 Kf7 15.d4; 10.d4 e5 11.de5 Ng4 12.e3 Ne5 13.Nd2 Na6 14.Be2 Bd6 15.Nhf3) 10...e6 11.e3 c5 12.Na3 Nc6 13.Bb5 Bd6 14.bc5 Qc5 15.Bb2; D) 9...Bc8 10.c4 (10.d4 e5 11.Nd2 ed4 12.cd4 Be7 13.g3 0-0 14.Bc3 Na6 15.b5; 10.Na3 Na6 11.d4 g6 12.e3 Bg7 13.Be2 0-0 14.Nf3 Nf5 15.0-0; 10.e3 Nf5 11.Nf3 Nd7 12.Na3 e5 13.Be2 Bd6 14.0-0 0-0 15.Bb2; 10.Qa4 e5 11.Na3 Nf5 12.Nf5 Bf5 13.Bb2 Be7 14.Nc2 0-0 15.Ne3; 10.Bb2 Nd7 11.e3 e5 12.Nf3 e4 13.Nd4 Ne5 14.Na3 Bd6 15.c4; 10.d3 e5 11.Nf3 Nd7 12.Nbd2 Bd6 13.h3 0-0 14.e4 Nf6 15.Ng5; 10.h3 Nd7 11.e3 e5 12.Nf3 Nf5 13.c4 Bb4 14.Ne5 Nc5 15.Qa2) 10...Na6 11.cd5 Qb4 12.Qb4 Nb4 13.Na3 Nd5 14.e4 Nf6 15.Bd3; E5) 9...Nd7 10.Nf5 Nf5 11.d3 e6 12.e4 Nh6 13.Be2 Bd6 14.Nd2 0-0 15.Qa2.

9.Qa4 e5 10.Qa8 Ke7 11.Nbd2 Ngf6 12.e3 g5 (better is 12...e4!? 13.Nd4 Bg6 14.de4 Ne4= (14...de4 15.Nc4 Qc7 16.Qa4=)) 13.Ng5+= Rg8 14.Ngf3 Bh6 15.Qa2 Be3 16.Nb3 (16.fe3 Qe3 17.Kd1 Bd3 18.Ne1 Bf1 19.Nf1=) 16...Bh6 17.h3 Qc7 18.c4 dc4 (18...d4 19.g4 Bg6 20.g5+–) 19.dc4= Qd6 20.Bc3 Ne4 21.Qb2 Be6 (21...Nc3 22.Qc3 Be4 23.c5=) 22.Nfd2 (22.Ne5 Nc3 23.Nc6 Qc6 (< 23...bc6 24.Qc3 Bg7 25.Qd2-+) 24.Qc3 Qe4 25.Be2 Rg2-+; 22.Be5 Qb4 23.Nbd2 Bd2 24.Nd2 Qd2 25.Qd2 Nd2 26.Kd2 Ne5-+) 22...Nc3 23.Qc3 Nf6 24.Qc2 (better is 24.c5!? Qc7 25.Nf3=) 24...Qb4-/+ 25.g3 Rd8 26.Rh2 Ne4! (27.f4 Bf5-+) 0–1. Taulien,Hans_Juergen – Guenter,Henrich, remoteschach.de, 2002.

9.e3 e5 10.Be2=+.

9.e3 Ngf6 10.Be2 e6 (10...e5 11.Nbd2=+) 11.Nbd2 (11.0-0 Bd6=) 11...Be7 (11...e5 12.0-0=) 12.0-0 (12.Nh4 Bg6=) 12...0-0 (12...Bd6 13.Nh4=) 13.Nh4 Bg6 14.Ng6 hg6 (14...fg6 15.Nf3=) 15.Qa4 Qc7 (15...Bd6 16.Nf3+=) 16.Bb2 (16.c4 dc4 17.dc4 c5+=) 16...Nb6 (16...b5 17.Qb3=) 17.Qb3+= Kh7 (17...Bd6 18.f4=) 18.c4 Rh8 (18...Ra8 19.Nf3+=) 19.c5 (19.Nf3 Ra8+–) 19...Kg8+– 20.f4 (20.Nf3!? Nbd7 21.Ra1+–) 20...Nbd7+= 21.Ra1 b5 (21...b6 22.Ra8 Kh7 23.Rh8 Kh8 24.d4+=) 22.Ra8+– Kh7 (better 22...Bf8+–) 23.Ra5?? (23.Qa2 Ra8 24.Qa8 Bd8+–) 23...e5 (23...Bc5!? 24.d4 Be7=+) 24.Nf3 (24.fe5!? Ne5 25.Bd4+–) 24...ef4 (24...Bc5 25.Ng5 Kg8 26.Ra8 Bf8 27.fe5 Ne5 28.g3=+) 25.Ng5 Kg8 26.Ra8 Bf8 (26...Nb8 27.Nf3 Qb7 28.Qa2 fe3 29.Ra7+–) 27.e4+= Rh2 (27...f3 28.Nf3 de4 29.de4 Ne4 30.Qe3+=) 28.Kh2 (28.e5 Ne5 29.Kh2=) 28...f3=+ 29.Kg1 (29.g3 Ng4 30.Kh3 Nf2 31.Kh2 fe2=) 29...fe2-/+ 30.Nf3 Qg3 31.Qc3 (31.Bc3 Qf4 32.ed5 Qe3 33.Kh2 Qd3 34.Ne1-+) 31...Ne5!!-+ (31...de4?! 32.Qe1 Qf4 33.Bc1=+) 32.Qe5 Theme: Deflection from e1 (32.Ne5 Deflection from e1 32...e1Q) 32…e1Q (32...e1Q 33.Ne1 Qe1 34.Kh2 Ng4 35.Kh3 Ne5 36.Be5 de4 37.de4 Qb4-+) 0–1. Meinhardt,Alfred – Loebel,Carsten, Germany op, 1992.

9.Nh4 Bg4=.

9.Nbd2 Nf6 10.Nh4 Bd6 (10...Bg6 11.e4=) 11.Nf5 ef5 12.e3 0-0 (12...Nbd7 13.Be2=) 13.Be2 (13.c4 dc4 14.Bf6 gf6 15.dc4 Bb4-/+ (worse is 15...Qb4 16.Bd3+=)) 13...Nbd7 14.0-0 Ra8 15.Nb3 (15.Nf3 f4 16.ef4 Bf4=) 15… Ra2 (15...f4 16.Nd4=) ½–½. Woschkat,Karl Heinz – Esch,Hans Joerg, HL011, 1998.

9.Nbd2 Nf6 10.Nh4 Bg4 11.h3 Bh5 12.g4 Bg6 13.g5 Nfd7 14.Bg2 (14.Ng6 hg6 15.e4 d4=) 14...Bh5=+ 15.Bb2 Be7 16.Nhf3 0-0 17.0-0 h6 (17...Na6!?=+) 18.gh6= gh6 19.Nb3 (19.e4 Kh7=) 19...Kh7 20.Qd2 Bf3 (20...Bf6 21.d4=) 21.Bf3 Rg8 22.Bg2 Bg5 23.Qc2 (23.e3 Na6=) 23...e5 (23...Nf8 24.Kh1=) 24.d4 (24.Kh1 Rg6=) 24...e4 25.f3?? (25.Kh1 Nf6=) 25...f5?? (25...Be3 26.Kh1 c5-+) 26.fe4= fe4 27.Nc5 Nc5 28.bc5 (28.Rf7 Kg6 29.bc5 Be3 30.Kh2-/+) 28...Qc7 29.Kh1 Kh8 (29...Be3 30.Qb1=+) 30.Bc1= Qg3 31.Rg1 Bc1 (31...Nd7!? 32.Bg5 Rg5-/+) 32.Qc1+= Qg7 33.c4 (33.Qb2 Na6=) 33...Qf6 (33...Nd7 34.Qf4+=) 34.e3 Qg5 35.Qf1 Nd7 (worse 35...Qe3 36.Qf6 Rg7 37.cd5 cd5 38.Qd8 Rg8 39.Qd5+–) 36.cd5 cd5 37.Qf2 Rg6 38.Qf7 (38.h4 Qg4 39.Kh2 Rf6+=) 38...Nf6= 39.Qb7 Nh5 (39...Qe3 40.Qb8 Rg8 41.Qe5=) 40.Qb8 Kh7 (40...Rg8 41.Qe5 Qe5 42.de5 Ng3 43.Kh2=) 41.Qc7 Rg7?? (better 41...Kh8 42.Kh2 Qe3 43.Qe5 Ng7+=) 42.Be4!+– de4 43.Rg5 hg5 (43...Rc7 44.Rh5 Ra7+–) 44.Qe5 Ng3 (44...Ra7 45.Qg5 Ra1 46.Kg2 Ra2 47.Kf1 Ra1 48.Ke2 Ra2 49.Ke1 Ng7+–) 45.Qg3 1–0. Pierre – GuestHidiak, internet, 2020.

9.Nd4 Bg4 =.

9.e3 Nd7 10.Be2 Ngf6 11.0-0 h6 12.Nbd2+= Bd6 13.Nd4 Bg6 14.Qa4 0-0 15.Rb1 Qc7 16.h3 e5 17.Nc2 e4 18.de4 Ne4 19.Nf3 (19.Ne4 Be4 (19...de4?! 20.c4=) 20.Rd1 b5-/+) 19...Ne5 20.Rd1 Qe7 21.Ncd4 Re8 22.Bb2?? (better is 22.Qa7-/+) 22...Nf2!-+ 23.Kf2 (23.Bc1 Nd1 24.Qd1-+) 23...Ng4 24.hg4 Qe3 0–1. heaterhog (2045) – deepthough (2350), gameknot.com, 2015.

9.e3 Nf6 10.Nbd2 (--> 9.Nbd2 e6 10.e3).

9.e4 de4 10.de4 Be4 11.Nbd2 Bg6 12.Be2 Nf6 13.0-0 Be7 14.Nh4 Qc7 15.Re1 0-0 16.Ng6 hg6 (worse is 16...fg6 17.Bc4+=) 17.Qb3 b5 18.c4 bc4 19.Bc4 Bd6 20.Nf3 Nbd7 21.Be6 fe6 22.Qe6 Rf7 23.Ng5 Nf8 (23...Bh2? 24.Kh1 Nf8 25.Qf7 Qf7 26.Nf7 Kf7 27.Kh2+–) 24.Qf7 Qf7 25.Nf7 Kf7 26.Rc1 Bb4 27.Rc6 Ne6 28.Kf1 Bc5 ½–½. Van Daatselaar,Jan Bart – Thorn Leeson,John, Netherlands email ch KE04, 2001.

9.g3 c5 10.Bg2 +=.

9.g3 Bd6 10.Bg2 (10.e4 Bg4 (< 10...de4 11.de4 Be4 12.Qd6=) 11.Nbd2 Nf6=) 10...Ne7 (10...Nf6 11.Nh4=+) 11.0-0 (11.e4 Bg4= (11...de4? 12.de4 Bg3 13.hg3 Be4 14.Nbd2 Bf3 15.Qf3+–)) 11...0-0=+ 12.Nbd2 Bg6 (12...Bg4 13.e4=+) 13.Nh4 (13.Bb2 Nd7=) 13...Bh5=+ 14.h3 (14.Nhf3!?=+) 14...Bg3-/+ 15.Nhf3 Bf3 (15...Bd6 16.Bb2-/+) 16.Nf3 Ng6 (16...Bd6 17.Bb2-/+) 17.e3 (17.c4 Bc7-/+) 17...Bd6 18.Qc2 (18.Bb2 Nd7-/+) 18...Be7 (18...Nd7 19.Bb2-/+) 19.Kh1 (19.Bb2 Na6-/+) 19...Bf6 (19...Nd7 20.Bb2-/+) 20.Nd4 (20.Bb2 Na6-/+) 20...Bd4 21.ed4 Nh4 22.Bb2 Ng2 23.Kg2 Nd7 24.Bc1 (24.Ra1 Re8-/+) 24...Qd8 (24...Ra8 25.Rg1-/+) 25.f4 (25.Be3 Qf6-/+) 25...f5 26.Kh1 Rf6 27.Rg1 Rh6 28.Rg3 Qh4 29.Qg2 g6 30.Be3 Kf7 31.Bf2 Qd8 32.Rg5 Nf6 33.Kg1 Rh5 34.Rh5 Nh5 35.Qf3 (35.Bg3 g5-/+) 0–1. Adamowski,Andrzej – Weber,Krzysztof(+), corr 2. AMM Poland, 1993.

9.g3 Nf6 10.Bg2 Bd6 11.0-0 (11.Nh4 Bg6=) 11...0-0=+ 12.Nbd2 Nbd7 13.Qa4 e5 14.Bb2 Re8 15.h3 Qc7 (15...e4 16.Nd4 Bg6 17.de4 Ne4 18.Ne4 Be4 19.Be4 Re4 20.Qa8 Bb8 21.Rd1=+) 16.Ra1 Nb6 (16...c5 17.bc5 Nc5 18.Qh4=+) 17.Qb3 Qd7 18.g4 e4 (18...Be6 19.c4 dc4 20.dc4=) 19.de4 (19.Nd4!? Bg6 20.g5=+) 19...Be4=+ (< 19...Ne4 20.gf5 Nd2 21.Nd2 Re2 22.Qd1+–; 19...de4?! 20.Nd4 Bg6 21.c4=) 20.e3 (20.Ra7 Bb8 21.Ra5 Bf3 22.Bf3 Qc7-/+) 20...Bd3-/+ 21.Ne1 Ba6 22.Nef3 Nc4 23.Nc4 (23.g5 Nh5=+) 23...Bc4 24.Qc2 Ne4 25.Nd4 Bb8 26.f4 Bc7 27.Bc1 g6 28.Ra4 Qe7 29.Be4=+ de4 30.Qf2 Bb6 31.f5 Qg5 32.Ra1 Bc7 33.Qg2 Bd3 34.Qf2 gf5 35.Nf5 h5 36.Qg2 Kh7 37.Bb2 Rg8 38.Kf2 Bd8 39.Ra7 Bc4?? 40.Qe4+/- Bd5 41.Qc2 hg4+= 42.h4 Qg6= 43.Rb7 Bh4 44.Kg1 Be6 45.e4+= Qh5 46.Nh4 g3 47.Qg2 Rd8 (48.Qg3 Rg8 49.Qg8 Kg8-+; 47...Qh4?! 48.Qh1 Qh1 49.Kh1-+) 0–1. Krasny,Henryk Jan – Pommerel,Wim, corr 3GMM–32, 1996.

9.g3 Nf6 10.Bg2 Be7+= 11.0-0 Nbd7 (11...0-0 12.Nh4+=) 12.Nbd2 Bg6 13.h3 h6 (13...Bd6 14.g4+=) 14.Qa4 0-0 15.Bb2 Qc7 (15...c5 16.b5=) 16.c4 (16.Ra1 e5=) 16...e5 (16...dc4 17.dc4 Rd8 18.Rd1=) 17.b5 (17.c5 e4 18.de4 de4+=) 17...e4 18.Nh4 (18.de4 de4 (18...Ne4?! 19.cd5 Nb6 20.Qb3=; 18...Be4?! 19.Ne4 de4 20.Nd4=) 19.Nh4 Bh7-/+) 18...e3 (18...Nc5 19.Qa7 ed3 20.Ng6 fg6 21.Bf6 de2 22.Re1=) 19.Ng6 fg6 20.fe3 Qg3 21.Rf3 Qe1 22.Nf1 Qe2 23.bc6 bc6 (23...Nc5 24.Bf6 gf6 25.Qa7 Qd3 26.cb7+/-) 24.Bf6 Nf6 25.Qc6+= Kh7 26.cd5 Qd3 27.Kh1 Qd1 28.Qc4 Bd6 29.Qc6 Be5 30.Qe6 Re8 31.Qf7 Rb8 32.Kg1? Rb2-+ 33.Rf2?? Bh2! 34.Kh2 Rf2 35.Kg1 Qe2 (35...Qe2 36.Qg6 Kg6 37.Kh1 Rg2 38.Ng3 Rh2 39.Kg1 Qf2) 0–1. Golyak,Isay G (2325) – Knaak,Rainer (2520), Leipzig SG, 1977.

9.g3 Nf6 10.Nh4 Bg6 =.

9.Nd4 Bg4 10.h3 =+.

9.e3 e5. Dopper.

9.e3 g6 10.Nbd2 A) 10...Na6 A1) 11.Nb3 Bg7 (11...Qc7 12.Be2 Bg7 13.Qd2 0-0 14.0-0 e5 15.Nh4 Be6 16.Nf3 d4; 11...Bd7 12.Ne5 Bg7 13.Be2 0-0 14.0-0 Ra8 15.Nd4 c5 16.bc5 Nc5; 11...Bc8 12.Be2 Bg7 13.0-0 0-0 14.Qc2 Re8 15.Bb2 e5 16.Ra1 Bf5) 12.Nbd4 Bc8 13.Be2 0-0 14.0-0 Qc7 15.Qd2 e5 16.Nb3 Bf5; A2) 11.g3 Bh6 (11...Bg7 12.Nb3 0-0 13.Nbd4 Bg4 14.Be2 Qc7 15.0-0 e5 16.Nb3 Qe7) 12.Nb3 0-0 13.Nbd4 Bg4 14.Be2 Ra8 15.0-0 Qc7 16.Bb2 e5; A3) 11.h4 Bg7 (11...Bh6 12.Nd4 Bd7 13.Be2 c5 14.bc5 Nc5 15.c4 0-0 16.h5 g5; 11...Bc8 12.Ne5 Bg7 13.Be2 0-0 14.d4 Nd7 15.Nef3 Nf6 16.Ne5 Nd7) 12.Nd4 Bd7 13.Be2 0-0 14.h5 e5 15.h6 Bh6 16.Nc6 bc6; A4) 11.Be2 Bg7 (11...Bh6 12.h3 Be6 13.Nd4 Bd7 14.N2f3 c5 15.bc5 Nc5 16.Ne5 Ba4; 11...Nc7 12.0-0 Bg7 13.Qb3 0-0 14.c4 Ne6 15.Nd4 Nd4 16.Bd4 Qc7; 11...Bc8 12.0-0 Bh6 13.Qb3 Be3 14.d4 Bf4 15.b5 Nc7 16.bc6 Qb3) 12.0-0 0-0 13.Nb3 Ne8 14.Nfd4 Nd6 15.Bb2 Ra8 16.Qc2 Nc7; B) 10...Bh6 B1) 11.Nd4 Bg4 (11...Bc8 12.Be2 Nbd7 13.0-0 0-0 14.Qb3 Qc7 15.Bb2 Nb6 16.Ra1 e5; 11...Bd7 12.Be2 0-0 13.0-0 Na6 14.Qb3 Qc7 15.Bb2 c5 16.N4f3 Qd6; 11...Nbd7 12.Bb2 Bg4 13.f3 e5 14.fg4 ed4 15.ed4 0-0 16.Be2 c5) 12.f3 Bd7 13.f4 Na6 14.Be2 0-0 15.0-0 c5 16.bc5 Nc5; B2) 11.Nb3 0-0 (11...Bg4 12.Be2 Nbd7 13.0-0 0-0 14.h3 Bf3 15.Bf3 Ra8 16.d4 e5; 11...Nbd7 12.h3 Be6 13.g4 Bg7 14.g5 Nh5 15.Nfd4 Bd4 16.Nd4 0-0; 11...Be6 12.Nc5 Nbd7 13.Ne6 fe6 14.Be2 0-0 15.0-0 Ra8 16.Qd2 e5) 12.h3 Be6 13.Nbd4 Nbd7 14.Ne6 fe6 15.d4 Qc7 16.Nd2 Ra8; B3) 11.Be2 0-0 12.h3 Bg7 13.0-0 Na6 14.Qb3 Ra8 15.Bb2 Nc7 16.Nd4 Bd7; B4) 11.h3 Be6 (11...Bg7 12.Be2 0-0 13.Nb3 Na6 14.0-0 Ne8 15.Qd2 Nd6 16.Bb2 e5; 11...Bd7 12.Be2 Na6 13.0-0 0-0 14.Qc2 Ra8 15.Ne5 Nc7 16.Ndf3 Be6; 11...Bc8 12.Be2 0-0 13.0-0 Be6 14.Nd4 Bd7 15.Qb3 Na6 16.Bb2 e5; 11...g5 12.Bb2 Nbd7 13.Qa4 0-0 14.g4 Bg6 15.Be2 Nc5 16.Qc2 Ne6) 12.g4 Bg7 13.Nd4 0-0 14.Ne6 fe6 15.g5 Ne8 16.h4 Nd6; C) 10...Bg7 C1) 11.Nd4 Bg4 (11...Bc8 12.Be2 0-0 13.0-0 Na6 14.Qb3 Qc7 15.Bb2 Bd7 16.N4f3 c5) 12.Qa4 e5 13.N4f3 Nbd7 14.c4 Qc7 15.Qa8 Ke7 16.Qa3 Re8; C2) 11.Nb3 Nbd7 (11...0-0 12.h3 Nbd7 13.Nbd4 Ra8 14.Nf5 gf5 15.Be2 Ne8 16.0-0 Nd6) 12.Nbd4 Bg4 13.h3 Bf3 14.Nf3 0-0 15.Qa4 e5 16.c4 Qc7; C3) 11.Be2 0-0 (11...Na6 12.0-0 0-0 13.Qb3 Ra8 14.Bb2 Nc7 15.h3 Nfe8 16.e4 Be6; 11...Be6 12.Nd4 Bc8 13.0-0 0-0 14.Qb3 Na6 15.h3 e5 16.N4f3 Re8) 12.0-0 Na6 13.Qb3 Be6 14.Nd4 Bg4 15.N4f3 Ra8 16.h3 Be6.

9.e3 g6 10.Be2 Qa6 11.Bb2 c5 (11...Nbd7 12.Nd4 Bg7 13.Na3 0-0 14.0-0 Ra8 15.g4 Be6 16.Ne6 fe6; 11...Bg7 12.Nd4 0-0 13.Nf5 gf5 14.Nd2 Nbd7 15.Qc2 Qb6 16.d4 e6; 11...Bh6 12.Nd4 0-0 13.Nf5 gf5 14.Nd2 Nbd7 15.0-0 Ra8 16.Qb3 Qb6; 11...e6 12.Na3 Nbd7 13.h3 c5 14.b5 Qa5 15.g4 Bd3 16.Bd3 c4) 12.Nh4 Nbd7 13.Nf5 gf5 14.Nd2 Rg8 15.0-0 Qc6 16.d4 cd4.

9.e3 g6 10.Be2 Nbd7 A) 11.Nd4 Bh6 (11...Qa6 12.Bb2 Nb6 13.Qb3 Na4 14.Nd2 Bg4 15.b5 cb5 16.Nb5 Kd8) 12.Na3 0-0 13.0-0 Ra8 14.Bb2 Nc5 15.Qc2 Na4 16.Nf5 gf5; B) 11.Nbd2 e5 (11...Bh6 12.h3 Be6 13.Qa4 0-0 14.0-0 c5 15.Rb1 Qc7 16.Bb2 Rb8) 12.0-0 Bd6 13.e4 Be6 14.Ng5 0-0 15.Qa4 Qc7 16.c4 Nb6; C) 11.0-0 Bh6 12.Nd4 0-0 13.Nd2 Ra8 14.Nf5 gf5 15.Bb2 c5 16.Qc2 cb4; D) 11.Qa4 e5 12.Nbd2 Be7 13.Bb2 0-0 14.0-0 Nc5 15.bc5 Qb2 16.Qb3 Qb3.

9.e3 g6 10.Be2 Bg7 11.Nd4 (11.Nbd2 0-0 (11...Na6 12.Nb3 0-0 13.0-0 Qc7 14.Bb2 e5 15.Nh4 Bd7 16.Qc2 e4) 12.0-0 Na6 13.Qb3 Ra8 14.Bb2 Nc7 15.h3 Nfe8 16.e4 Be6; 11.0-0 0-0 (11...Na6 12.Nbd2 0-0 13.Qb3 Ng4 14.Bb2 Ra8 15.Ra1 Ne3 16.fe3 Qe3; 11...Nbd7 12.Nd4 0-0 13.Nd2 Ra8 14.Bb2 e6 15.g4 c5 16.gf5 cd4; 11...Be6 12.Nd4 Bd7 13.Qb3 0-0 14.Nd2 Na6 15.Bb2 Qc7 16.N4f3 c5; 11...Bd7 12.Nbd2 0-0 13.Qb3 Be6 14.c4 Na6 15.Rb1 dc4 16.Nc4 Bc4) 12.Nbd2 Na6 13.Qb3 Be6 14.Nd4 Bg4 15.N4f3 Ra8 16.Bb2 Nc7; 11.Na3 0-0 (11...Bg4 12.0-0 Nbd7 13.h3 Bf3 14.Bf3 0-0 15.d4 Ra8 16.Bb2 Bf8; 11...Nbd7 12.Nd4 0-0 13.0-0 Ra8 14.Bb2 Nc5 15.Qd2 Na4 16.Nf5 gf5; 11...Na6 12.0-0 0-0 13.Nc2 Qc7 14.Bb2 e5 15.Nh4 Be6 16.Qd2 Ra8; 11...Bd7 12.Nc2 0-0 13.Ne5 Be6 14.Nd4 Nbd7 15.Ne6 fe6 16.Nd7 Nd7) 12.0-0 Nbd7 13.Nd4 Ra8 14.Bb2 Ne8 15.Nf5 gf5 16.Nc2 Nc5) 11...Bd7 (11...Bc8 12.Nd2 0-0 13.0-0 e5 14.N4f3 Re8 15.Bb2 Bf5 16.Qb3 Nbd7; 11...0-0 12.Nf5 gf5 13.Nd2 Nbd7 14.Nf3 e5 15.0-0 Ra8 16.Qd2 Bh6) 12.Nd2 0-0 13.N2f3 (13.0-0 Na6=+ 14.Qb3 Qc7 15.Bb2 c5 16.N4f3 Qd6) 13...Na6 (13...Qc7 14.0-0=+ Na6 15.Nb3 Ra8 16.Bb2 c5) 14.0-0 (14.Ne5 Ra8 15.0-0 c5 16.bc5 Nc5) 14...Ra8 (14...Qc7 15.Qb3 Ra8 16.Nc2 c5) 15.Ne5 c5 (15...Be8 16.Ndf3= (16.f4 Nd7) 16...Nd7) 16.bc5= Nc5 17.Qd2 (17.Qb1 Qb1 18.Rb1 Be8=+) 17...Ra4 (17...Ba4 18.Qa2=+) 18.f4= Qa6 19.Qd1 (19.Bb2 Ra2 20.Rb1 Na4=) 19...Be8 20.Bf3 (20.Nc2 Qd6=+) 20...e6 21.Nc2 Nfd7 22.Nb4 Qa5 23.d4 (23.Nd7 Bd7 24.Bb2 Na6 25.Na6 Qa6=+) 23...Ne5-/+ 24.fe5 (24.de5 Bb5 25.Re1 f6 26.ef6 Bf6-/+) 24...Bb5 25.Re1 Na6 26.Nd5 (26.Na6 Qa6 27.Bb2 Ra2-/+) 26...ed5-/+ 27.Bd5 Bc4 28.Bc4 Rc4 29.Bb2 Qb5 30.Qe2 Nc7 31.Rf1 Rc6 32.Qf2 (32.Qb5 Nb5 33.Rc1 Rb6-/+) 32...f5 33.g4 Qd5 (33...fg4 34.Qf7 Kh8 35.Rf2-+) 34.gf5 (34.h3 Qe4 35.gf5 gf5-+) 34...gf5 35.h3 (35.Qf5?? Rg6 36.Kf2 Rf6 37.Qf6 Bf6 38.Rg1 Bg7-+) 35...Qe4 36.Kh2 Nd5 37.Qf5 Qf5 38.Rf5 Ne3 39.Rf2 (39.Rf3 Nd1 40.Ba3 Nc3-+) 39...Nd1-+ 40.Rd2 Ne3 (40...Nc3 41.Bc3 Rc3 42.Rb2-+) 41.Rd3 (41.Rf2 b5 42.Re2-+) 41...Nd5-/+ 42.Kg3 Bh6 43.Kf3 Kf7 44.Ke4 Ke6 45.Rf3 (45.Rg3 Rb6 46.c4 Nf6 (worse 46...Rb2 47.cd5 Kd7 48.d6+=) 47.ef6 Rb2-/+) 45...b5 46.Rf1 Ra6 (46...Nc3? 47.Bc3 Rc3 48.Rf6 Kd7 49.Rh6+–) 47.Kd3 Ra2 48.Ra1 (48.Rb1!?-/+) 48...Ra1-+ (48...Rb2?! 49.Ra6 Kf5 50.Rh6-+) 49.Ba1 Nb6 (49...Ne3 50.Ke4-+) 50.Bb2 (50.Ke4 Nc4-+) 50...Nc4 51.Ba1 (51.Kc2 Nb2 52.Kb2 Bf8-+) 51...Kd5 52.Kc2 (52.h4 Ne3-+) 52...Bg5 53.Kb3 (53.Kd1 Be7-+) 53...Be7 54.Bb2 (54.Kc2 Ne3 55.Kd2 Ng2-+) 54...Nd2 55.Kc2 Ne4 56.Bc1 (56.Kd3 Nf2 57.Ke2 Nh3-+) 56...Nf2 57.Bh6 (57.Bb2 h5 58.Kd2 Ke4-+) 57...Nh3 58.Kd3 (58.Kd2-+) 58...Bg5 59.Bf8 (59.Bg5 Ng5 60.Ke3-+) 59...Nf4 60.Kc2 h5 61.Kd1 (61.c4 bc4 62.Bg7-+) 61...h4 62.Ke1 h3 63.Kf1 (63.c4 bc4 64.Kd2 h2 65.Be7 Be7 66.Kc3 h1Q 67.Kd2 Qg2 68.Kc3 Nd3 69.e6 Qb2) 63…h2 (63...h2 64.c4 bc4 65.Ke1 h1Q 66.Kd2 Nd3 67.Ke2 Qg2 68.Kd1 Qd2) 0–1. Woischke,Norbert – Myrberg,Johnny, corr TKM/A003, 1999.

9.g3 e6 10.Bg2 Be7 11.0-0 0-0 12.Nbd2 h6 13.c4 (13.h3 Nbd7=) 13...Nbd7 (better 13...Qb4 14.Qc2 b5 15.cb5 cb5=+) 14.c5? (better 14.e4 Bg4 15.b5=+) 14...Qb4-+ 15.Bf6 Bf6 16.e4 (16.Qb3 Qb3 17.Nb3 Ra8-+) 16...Bg6 17.ed5 (17.Qb3 Qb3 18.Nb3 de4 19.de4 Be4-+) 17...ed5 (17...Qc5?! 18.de6 fe6 19.Qb3-/+; 17...Nc5?! 18.d4 Bd4 19.Nd4 Qd4 20.dc6 bc6 21.Bc6-+) 18.Qb3 Qb3 19.Nb3 Bd3 20.Rd1 (20.Re1 b6 21.cb6 Rb8-+) 20...Bc4 (better 20...Bc2 21.Rc1 Bb3 22.Bh3-+) 21.Nbd2 (21.Nfd2 Bb3 22.Nb3-+) 21...Nc5 22.Nc4 dc4 23.Rd6 (23.Kf1 c3-+) 23...c3 24.Rd1 (24.Ne1 Ra8 25.Rd1 Ra2-+) 24...Nb3 (24...b5 25.Ne1 b4 26.Bc6-+) 25.Ne1 Re8 26.Ra1 (26.Nc2-+) 26…Na1 (26...Na1 27.Nd3 c2-+) 0-1. Orangotango_b4 - BeepBeepImAJeep (2550), lichess.org, 2018.

9.h3 e6 10.Nbd2 Nbd7 11.g4 Bg6 12.Qa4 Bd6 13.Nh4 0-0 14.Bg2 Ne5 15.d4 Ned7 16.Ng6 hg6 17.0-0 Qc7 18.Bb2 b5 19.Qc2 Bh2 20.Kh1 Ra8 21.Ra1 Ra1 22.Ba1 Nb6 23.Bb2 Bf4 24.e3 Bd6 25.Bc1 g5 26.Nf3 Ne4 27.Ng1 f5 28.Be4 fe4 29.f3 Qf7 30.fe4 Qg6 31.Nf3 Nd7 32.Bd2 Nf6+= 33.Be1 Ne4 34.Qa2 Qe8 35.Qa6 Qd7 36.Qa8 Kf7 37.Kg1 Qe8 38.Qe8 Ke8 39.Kg2 Kf7 40.Kg1 Kf6 41.Kf1 e5 42.Ke2 Bc7 43.Kd3 Ke6 44.Nd2 Nd2 45.Kd2 e4 ½–½. Cardoso,Sergio (2015) – Kroes,Friso (2045), RA–2010-0-00101, 2010.

9.h3 e6 10.Nbd2 Be7 11.Nh4 Ne4 (11...0-0 12.Nf5 ef5 13.e3=) 12.Ne4 (better is 12.de4!? Bh4 13.g3 Bg3 14.fg3+=) 12...Be4+= 13.Nf3 Bg6 14.e3 Nd7 15.Be2 0-0. Cowe – Wright,K, Massachusetts, 1981.

9.h3 e6 10.e3 Nbd7 11.Be2 (11.Nh4 Bd6=) 11...Bd6 (11...e5 12.g4 Qa6 13.Bb2=) 12.0-0 0-0 (12...e5 13.Nbd2=+) 13.Na3 (13.Nh4!?=) 13...Ra8=+ 14.Nc2 h6 (14...e5 15.c4 dc4 16.dc4-/+) 15.Ncd4 Bh7 16.Nb3 e5 17.d4 (17.Re1 e4 18.de4 Ne4=+) 17...Ra2 18.Na5 (18.de5 Bc2 19.Qd4 Qd4 20.Nfd4 Be5 21.Nc2 Rc2=+) 18...ed4 19.ed4 Bb4 20.cb4 Qb4 21.Nb7 Qb7 22.Bd3 (22.Re1!?-/+) 22...Bd3-+ 23.Qd3 Ne4 24.Rb1 Nf2 25.Qf5 (25.Rb7 Nd3 26.Rd7 Ra1 27.Kh2 Ra2-+) 25...Qc7 26.Ne5 Ne5 27.de5 Ne4 28.e6? (28.Kh2-+) 28...Rg2! 29.Kg2 Decoy to g2. The mate threat is Rb8 29...Qg3 30.Kf1 Qd3 31.Kg2 Qc2 32.Kg1 Qb1 33.Kg2 (33.Qf1 Qb6 34.Kg2 fe6 35.Be5-+) 33...Qa2 34.Kg1 Threatening mate... how? 34...Qa1 (35.Kg2 Qb2 36.Kg1 f6-+) 0–1. Wartig,Wolfgang – Zimmer,H, corr, 1992.

9.h3 e6 10.g4 Bg6 11.Nbd2 Bd6 12.Nh4 0-0 13.Bg2 Nbd7 14.Ng6 fg6 15.Nf3 c5 (15...e5 16.0-0+=) 16.bc5= Bc5 17.0-0 Qc7 18.c4 Nb6 19.cd5 Nbd5 (19...Nfd5!? 20.Qb3 Qe7+=) 20.e4+/- (20.e4 Nb4 21.d4+/-) 1–0. Woelfelschneider,Peter – Malzan, 2009.

10.Qa4 e5 11.Qa8 Ke7 12.e3 h6 13.Qa3 0–1. Van Rooijen,Peter (1855) – Cuttica,Gerardo Axel (1630), LIAPE ch–1 zone–B gr–06, 2003.

10.Nd4 Bg4 11.h3 =.

10.e3 e5 11.Be2 Bd6 12.e4 de4 13.de4+– Be6 14.Ng5 Bc7 15.Ne6 fe6 16.Qb3 Ke7 (16...c5 17.0-0+/-) 17.Bc4 (17.Qa2 Rd8+–) 17...Ra8 (17...Qa7 18.0-0+/-) 18.0-0 (18.Bb2 Kf8+–) 18...Nf8 (18...Qa7 19.Qb1+/-) 19.Nf3 (19.Bd3 Kf7+/-) 19...h6 (19...Qa7 20.Qb1+/-) 20.Bb2 Ne4 21.Bc1 Qa7 22.Qc2 Nf6 23.Be3 b6 24.Kh1 (24.Rd1 Kf7+/-) 24...Nd5 (24...Kf7 25.Re1+/-) 25.Qe4 Ne3 (better is 25...Kf6!?+/-) 26.fe3+– (< 26.Qe3 b5 27.Qa7 Ra7=+) 26...b5?! (26...Qb8+–) 27.Ne5 Be5 28.Qe5 Qa1 29.Qg7 Kd6 30.Be2 Nd7 31.g4 Qe1 (31...Qa4 32.Rd1 Qd1 33.Bd1 Ra1 34.Qd4 Ke7+–) 1–0. MT – guest800, ICC, 2004.

10.e3 e5 11.Be2 Bd6 12.e4 Be6 13.Ng5 0-0 14.Ne6 (14.0-0 c5=) 14...fe6 15.0-0 Qd8 (15...c5 16.Bg4 Re8 17.ed5 Ng4 18.Qg4=) 16.Bb2 Qe8 (16...c5 17.b5=) 17.Nb3 (17.Qb3 Nh5=) 17...b6 18.Bf3 Qg6 19.h4 (19.Bc1 c5= (< 19...de4 20.Be4 Qf7 21.Bc6+/-)) 19...h6 (19...c5 20.bc5 Nc5 21.Nc5 bc5 22.c4=) 20.Qe2 Ra8 (20...Qf7 21.Ra1=) 21.Ra1 Ra1 22.Ba1 c5 (22...Qf7 23.Bb2=) 23.Qa2 (23.bc5 Nc5 24.Nc5 bc5+=) 23...cb4 24.Qa8 Kh7 (24...Kf7 25.cb4 Bb4 26.h5=) 25.Qc6 Bc5 (25...Bf8 26.Qe6 bc3 27.h5=) 26.Qe6 de4 (26...Kh8 A) 27.ed5 Qd3 28.Nc5 bc5 29.cb4 Qb1 30.Kh2 Qa1 (< 30...cb4 31.Be5 Qc1 32.Qc6+/-) 31.bc5 e4 32.Be4 Qa8=; B) 27.Nc5?! Nc5 28.Qb6 Nd3= (28...de4? 29.de4 Ncd7 30.Qd8 Kh7 31.cb4+–); C) 27.d4 de4 28.h5=) 27.h5+= Qe8 (27...Qg5!? 28.de4 Nf8+=) 28.Be4+/- Kh8 29.Qe8 Ne8 30.d4 ed4 31.cd4 Bd6 32.Kf1 (32.Bf3 Ndf6+/-) 32...Nef6 33.Bf3 Kg8 34.Bb2 (34.Ke2 Kf7+/-) 34...Kf7 (34...b5 35.Ke2+/-) 35.Ke2 Ke6 (35...b5 36.Kd3+/-) 36.Kd3 b5 37.Kc2 Nb6 (37...Nd5 38.Nc5 Bc5 39.Bg4 Kf7 40.Bd7+/- (40.dc5?! Nc5 41.Bd4 Nf6=)) 38.Nc5 Bc5 (38...Kf5!?+/-) 39.dc5+– Nc4 (better is 39...Nbd7 40.Bd4 Nb8+–) 40.Bf6 Kf6 (40...gf6 41.Kb3+–) 41.Kb3 Ne5 42.Kb4 Ke7 43.Kb5 Kd7 (43...Kd8 44.Kb6+–) 44.Kb6 Kc8 (44...Nc4 45.Kb7+–) 45.c6 (45...Nd7 46.cd7 Kd7 47.Be4+–) 1–0. pierred – WoodPusher83, chessworld.net, 2007.

10.e3 e5 11.Be2 Bd6 12.e4 Bg4 =+.

10.e3 e5=+ 11.Be2 Be7 12.0-0 0-0 13.Nh4 (13.e4 Be6=) 13...Be6=+ 14.Nhf3 Ra8 15.h3 (15.d4 e4 16.Ng5 Bf5=+) 15...Bd6 16.Qc2 Bb8 (16...Ra3 17.Bb2 Ra2 18.Ng5=+) 17.e4 (17.Ng5 Bf5=+) 17...Nh5 18.Ng5? (better is 18.d4!? Nf4 19.Bd3=+) 18...Ng3-+ 19.ed5? (better is 19.Qd1 Ra1! 20.Qa1 Ne2 21.Kh1-+) 19...Ne2 20.Kh1 cd5 (20...Bd5?! 21.c4 Be6 22.Ne6 fe6 23.Qb3-+) 21.d4 (21.c4 Bf5 22.cd5 Qb4 23.Qc8 Qf8 24.Qb7 Bd6-+) 21...e4 22.Nde4 Qc7 (23.Ng3 Ng3 24.fg3 Nf8-+) 0–1. Nicklich,Wolfgang – Diener,Rudolf, corr ICCF, 1980.

10.Nh4 e6 11.Nf5 ef5 12.g3 d4 13.Bh3 (13.cd4 Bb4) 13...dc3 14.Bc3 Bb4 15.Bb4 Qb4 16.Bf5 0-0 ½–½. Schubert,Mario – Boehnke,Hartmut, VM2001 (VR Gr.1), 2001.

10.Nh4 Bg4 11.h3 Bh5 12.g4 Bg6 13.g5 Ng8 14.Ng6 hg6 15.e4. Hasler.

10.Nh4 Bg6 11.Qa4 A) 11...e5 A1) 12.g3 Bd6 (12...Be7 13.Bh3 0-0 14.0-0 Bh5 15.Nf5 Re8 16.Ne7 Re7 17.Re1 Ng4; 12...Ng4 13.e3 f5 14.h3 Ngf6 15.Bb2 Bd6 16.Qa8 Bb8 17.Be2 0-0) 13.Bh3 0-0 14.0-0 Qc7 15.Ng6 hg6 16.c4 g5 17.c5 Be7; A2) 12.e3 Be7 (12...Bh5 13.h3 Kd8 14.g4 Bg6 15.Ndf3 e4 16.Ng6 hg6 17.de4 Ne4; 12...Bd6 13.Ng6 hg6 14.Be2 0-0 15.0-0 Qc7 16.Bb2 Nb6 17.Qb3 Ra8; 12...Qc7 13.Qa8 Qb8 14.Qb8 Nb8 15.Be2 Nbd7 16.g4 Be7 17.0-0 0-0; 12...e4 13.de4 Ne4 14.Ng6 hg6 15.Ne4 de4 16.Be2 Bd6 17.Bb2 0-0) 13.Ng6 hg6 14.Be2 0-0 15.0-0 Qc7 16.Bb2 Nb6 17.Qb3 Ra8; A3) 12.Ng6 hg6 (12...fg6 13.g3 Kf7 14.Bg2 Bd6 15.Bb2 g5 16.0-0 Kg6 17.Ra1 Re8) 13.e3 Bd6 14.Be2 0-0 15.0-0 Qc7 16.Bb2 Nb6 17.Qb3 Ra8; A4) 12.Qa8 Ke7 13.Ndf3 Bh5 14.h3 Bf3 15.Nf3 g6 16.Qa3 Bh6 17.e3 Re8; B) 11...e6 12.Qa8 Ke7 13.h3 Kd6 14.Ndf3 Kc7 15.Ng5 Bh5 16.Qa4 Bd6 17.g4 Bf4.

10.Nh4 Bg6 11.Ndf3 A) 11...e5 A1) 12.Ng6 hg6 13.g3 Be7 14.Qa4 e4 15.Nd4 0-0 16.de4 Ne4 17.Bg2 Ndc5; A2) 12.g3 e4 (12...Ng4 13.e3 Be7 14.Ng6 hg6 15.Bg2 0-0 16.0-0 Ra8 17.Bb2 Ngf6; 12...Bd6 13.Bh3 e4 14.Nd4 0-0 15.Ng6 hg6 16.de4 de4 17.0-0 Ra8; 12...Be7 13.Bh3 0-0 14.Ng6 hg6 15.0-0 Ra8 16.Bb2 Qc7 17.Qc2 Qb6) 13.Ng6 hg6 14.de4 Ne4 15.e3 Bd6 16.Be2 0-0 17.Nd2 Ndf6; A3) 12.Bb2 Bd6 (12...Be7 13.Ng6 hg6 14.e3 0-0 15.Be2 Ra8 16.0-0 e4 17.Ng5 Nc5; 12...Bc5 13.e3 0-0 14.Ng6 hg6 15.Be2 Ra8 16.Qc2 Bd6 17.0-0 e4; 12...e4 13.Nd2 e3 14.fe3 Ng4 15.Qa4 Qe3 16.Qa8 Ke7 17.Ng6 hg6) 13.Ng6 hg6 14.e3 c5 15.bc5 Nc5 16.Qc2 0-0 17.d4 ed4; A4) 12.Qa4 Be7 (12...Bd6 13.Qa8 Nb8 14.Ng6 fg6 15.Bb2 0-0 16.Qa5 Qa5 17.ba5 Nbd7) 13.Bb2 0-0 14.Ng6 fg6 15.Bc1 e4 16.Be3 Qc7 17.Nd4 Re8; B) 11...e6 B1) 12.Bb2 c5 (12...Bd6 13.Ng6 hg6 14.Qa4 0-0 15.e3 c5 16.b5 Qc7 17.c4 dc4; 12...Be7 13.Ng6 hg6 14.Qa4 0-0 15.e3 c5 16.b5 Qc7 17.c4 Nb6; 12...Bh5 13.Qa4 Bd6 14.h3 Bf3 15.Nf3 0-0 16.e3 e5 17.Nd2 Qc7) 13.Ng6 hg6 14.Qa4 cb4 15.Nd4 Qa6 16.Qc2 Ng4 17.e3 e5; B2) 12.e3 Bh5 (12...Bd6 13.Ng6 hg6 14.Qa4 Ke7 15.Bb2 Ne5 16.Ne5 Be5 17.h3 g5; 12...c5 13.bc5 Bc5 14.Ng6 hg6 15.d4 Bd6 16.Bd3 Ne4 17.c4 Ke7) 13.h3 Bd6 14.g4 Bg6 15.Nd4 0-0 16.Qa4 c5 17.Ng6 hg6; B3) 12.Qa4 Bd6 (12...Be7 13.Ng6 hg6 14.e3 0-0 15.Be2 Qc7 16.0-0 Nb6 17.Qb3 Ra8; 12...Ng4 13.e3 Bd6 14.Qa8 Bb8 15.Qa4 Nge5 16.Ne5 Ne5 17.Ng6 hg6) 13.Ng6 fg6 14.g3 Ng4 15.d4 0-0 16.Bh3 Ndf6 17.0-0 Re8; B4) 12.Ng6 hg6 13.Qa4 Bd6 14.Bb2 Ke7 15.e3 Ne5 16.Ne5 Be5 17.h3 g5.

10.Nh4 Bg6 11.Ng6 hg6 12.e4 (12.Qa4 e6 13.e3 Bd6 14.Be2 0-0 15.Bb2 c5 16.b5 Qc7 17.g3 Nb6; 12.h4 e6 (12...Qa6 13.Bb2 e6 14.e3 Bd6 15.Be2 Ne5 16.Qc2 Neg4 17.d4 Qa7; 12...e5 13.Qa4 Be7 14.e3 g5 15.Be2 gh4 16.Qa8 Bd8 17.Nf3 e4; 12...g5 13.Nf3 gh4 14.Rh4 Rh4 15.Nh4 e6 16.Nf3 Bd6 17.Qa4 Ke7; 12...Qa7 13.Bb2 e6 14.e3 g5 15.Nf3 gh4 16.Be2 Qa2 17.Qa1 Qa1) 13.Qa4 Bd6 14.e3 0-0 15.Be2 Qc7 16.Bb2 b5 17.Qc2 Ra8; 12.e3 e6 (12...Qa7 13.Be2 e6 14.Bb2 Bd6 15.h3 0-0 16.0-0 Ra8 17.Qb3 Qb6; 12...Qa6 13.d4 Qa2 14.c4 e6 15.c5 Qa3 16.b5 Qa5 17.bc6 bc6) 13.Qa4 Bd6 14.Be2 Ke7 15.h3 Qb5 16.Qb5 cb5 17.f4 Ra8; 12.Nf3 e5 (12...e6 13.Qa4 Bd6 14.Bb2 0-0 15.e3 c5 16.b5 Qc7 17.c4 Ne5; 12...Ng4 13.e3 e6 14.h3 Bd6 15.Be2 Nge5 16.Nd4 g5 17.0-0 0-0) 13.Qa4 Be7 14.Qa8 Bd8 15.Qa4 e4 16.de4 Ne4 17.e3 0-0) 12...e6 13.Be2 Bd6 14.g3 0-0 15.0-0 (15.Qa4 c5 16.b5 c4 17.d4 Ne4) 15...Ra8 16.Qc2 (16.Bb2 g5 17.Qc2 g4) 16...e5 (16...g5 17.Bb2= (17.d4 Ne4) 17...g4) 17.Bb2= Ra2 (17...g5 18.h3=) 18.Qb1 (18.Bf3 Qa6=) 18...Ra4 19.Bd1 Ra8 20.Bb3 Qb5 (20...g5 21.Qe1=) 21.Qc2= g5 22.Ra1 (22.ed5 cd5 (22...Nd5? 23.Ne4+–) 23.c4 Qb4 24.cd5 Nc5=) 22...Ra1 23.Ba1 Bc7 (23...Nb6 24.h3=) 24.Bb2 Bd6 25.Nf1 Nb6 26.Ne3 g4 27.ed5 cd5 (27...Nbd5? 28.Nf5 Bf8 29.c4 Qb4 30.cd5 Nd5 31.Kg2+–) 28.Nf5 Qd7 29.Nd6 Qd6 30.Qe2 e4 31.de4 Qe6 32.e5 (32.c4 dc4 (worse 32...de4 33.Bf6 gf6 34.Qe3+–; worse 32...Nc4 33.Bf6 gf6 34.Kf1+–) 33.Bc2 Nbd7=) 32...Nfd7 33.Bc1 Ne5 34.Kh1 (34.Kg2 g6=) 34...Nbc4 35.Bf4 Nf3 36.Bc4 dc4 37.Qe6 fe6 ½–½. Bilsel,Sabahaddin – Markus,Roland, corr TKM/A005, 1999.

10.Nd4 Bd6 A) 11.Qa4 A1) 11...0-0 12.g3 (12.N2b3 Na6 13.Qa5 Qa5 14.Na5 Rb8 15.Nf5 ef5 16.Nb3 Nc7 17.Bb2; 12.N2f3 Na6 13.Nf5 ef5 14.Qa5 Qa5 15.ba5 Ra8 16.Bb2 Nc5 17.Nh4; 12.Nf5 ef5 13.Nb3 Nbd7 14.Nd4 g6 15.g3 Be5 16.f4 Bd4 17.cd4) 12...Nbd7 13.Bg2 Bg6 14.0-0 Re8 15.Bb2 e5 16.N4f3 e4 17.de4; A2) 11...Bg6 12.g3 (12.N2f3 e5 13.Nb3 0-0 14.Qa5 Qc7 15.Qc7 Bc7 16.Bb2 Nbd7 17.Nh4; 12.h3 Nbd7 13.g4 0-0 14.Bg2 Re8 15.Bb2 Bf4 16.Qa5 Qa5 17.ba5; 12.h4 e5 13.N4f3 Ng4 14.e3 0-0 15.Be2 Nd7 16.Bb2 Ndf6 17.Qa5; 12.Bb2 0-0 13.N4b3 Ng4 14.e3 Nd7 15.Qa5 Qa5 16.Na5 Rb8 17.Be2) 12...e5 13.N4f3 0-0 14.Bh3 Na6 15.0-0 Bh5 16.Bb2 Ra8 17.Qb3; B) 11.Nf5 ef5 12.g3 (12.e3 Nbd7 13.d4 0-0 14.Bd3 g6 15.0-0 Ra8 16.Bb2 Nf8 17.h3; 12.c4 dc4 13.e3 Bb4 14.Bf6 gf6 15.Qc2 c3 16.Nb3 Qb5 17.Be2; 12.Nf3 0-0 13.g3 Ng4 14.e3 Nd7 15.Nd4 g6 16.Bg2 Ra8 17.0-0; 12.Nb3 Nbd7 13.e3 0-0 14.Nd4 f4 15.Be2 fe3 16.fe3 Re8 17.Qd2) 12...Nbd7 13.Bh3 g6 14.0-0 0-0 15.Bb2 f4 16.d4 Ra8 17.Re1; C) 11.e4 Bg6 12.Be2 (12.Qc2 e5 13.Nf5 Bf5 14.ef5 Ng4 15.Nf3 Nd7 16.h3 Ngf6 17.Be2; 12.h4 e5 13.Nf5 Bf5 14.ef5 0-0 15.g4 Re8 16.Bg2 h5 17.gh5) 12...0-0 13.Qc2 Nbd7 14.0-0 Ra8 15.Bb2 h5 16.Ra1 Ra1 17.Ba1.

10.Nd4 Nbd7 A) 11.Qc2 Bg6 (11...Bd6 12.e4 Bg4 13.h3 Bh5 14.g4 Bg6 15.Bg2 0-0 16.0-0 Ra8 17.Bb2) 12.e4 Bd6 13.Be2 0-0 14.0-0 Ra8 15.Bb2 h5 16.g3 Ne5 17.h3; B) 11.Nf5 ef5 12.Qa4 (12.g3 Bd6 13.Bh3 g6 14.0-0 0-0 15.Bb2 Ra8 16.Nf3 c5 17.bc5; 12.d4 Bd6 13.e3 0-0 14.Bd3 g6 15.Bb2 Ra8 16.0-0 Nf8 17.Qb3; 12.e3 Bd6 13.d4 0-0 14.Bd3 g6 15.Bb2 Ra8 16.0-0 Nf8 17.Qb3; 12.Nf3 Bd6 13.Qa4 0-0 14.Nd4 g6 15.g3 Be5 16.Bg2 Re8 17.Bf3) 12...Bd6 13.Qa8 Bb8 14.Nb3 0-0 15.Qa5 Bd6 16.g3 Qc7 17.Qc7; C) 11.Qa4 C1) 11...Be7 12.Qa8 (12.Nf5 ef5 13.Nf3 0-0 14.Nd4 g6 15.g3 c5 16.bc5 Nc5 17.Qa2; 12.N2f3 0-0 13.Nf5 ef5 14.Nd4 g6 15.g3 c5 16.bc5 Nc5 17.Qa2; 12.N2b3 Bg6 13.Qa8 Bd8 14.Na5 e5 15.Ndb3 Ng4 16.e3 e4 17.d4; 12.Qa5 Qa5 13.ba5 0-0 14.Nf5 ef5 15.g3 Ra8 16.Nb3 Nc5 17.Nc5) 12...Bd8 13.N2b3 Bg6 14.Na5 e5 15.Nf3 e4 16.Nd4 c5 17.Nc2; C2) 11...Bd6 12.g3 (12.Qa8 Bb8 13.Nf5 ef5 14.Qa5 Qa5 15.ba5 Bc7 16.Nb3 0-0 17.g3; 12.Nf5 ef5 13.Qa8 Bb8 14.Nb3 0-0 15.Qa5 Ba7 16.e3 Ra8 17.c4) 12...0-0 13.Bg2 Bg6 14.0-0 Re8 15.Bb2 e5 16.N4f3 h6 17.Ra1.

10.Nd4 Bg4 =.

10.Nd4 Bg6 11.e4 A) 11...Nbd7 12.Be2 (12.Qc2 e5 13.Nf5 Bf5 14.ef5 Ng4 15.Nf3 Be7 16.h3 Nh6 17.g4) 12...Bd6 13.0-0 0-0 14.Qc2 Ra8 15.Bb2 h5 16.h3 Bf4 17.ed5; B) 11...Bd6 12.Be2 (12.Qc2 e5 13.Nf5 Bf5 14.ef5 Ng4 15.Nf3 Nd7 16.h3 Nh6 17.g4; 12.h4 e5 13.Nf5 Bf5 14.ef5 0-0 15.g4 Re8 16.Bg2 h5 17.gh5; 12.h3 0-0 13.Be2 de4 14.Nc4 Qc7 15.de4 Ne4 16.Nd6 Qd6 17.0-0; 12.ed5 cd5 13.Qa4 Nbd7 14.h4 h5 15.Qa8 Bb8 16.Be2 Ng4 17.0-0) 12...0-0 13.0-0 Nbd7 14.Qc2 Ra8 15.Bb2 Ne5 16.h3 Nh5 17.g3.

10.Nd4 Bg6 11.f4 Nbd7-/+ (11...Bd6 12.g3 0-0 13.Bg2 Ng4 14.Bh3 h5 15.Qa4 Nd7 16.0-0 Re8 17.N2f3) 12.g3 (12.Qa4 Bd6 13.g3 0-0 14.Bg2 Ng4 15.0-0 Ne3 16.Rb1 e5 17.fe5) 12...Ng4 (12...Bd6 13.Bg2=+ 0-0 14.Qa4 Ng4 15.0-0 Ne3 16.Rb1 e5 17.fe5; 12...Be7 13.Qa4 0-0 14.Bh3 Bh5 15.N2f3 c5 16.bc5 Nc5 17.Qa2) 13.Qa4 e5 (13...Be7!?=+ 14.Qa8 Bd8 15.Bh3 h5 16.0-0 0-0 17.N2f3) 14.fe5= Nde5 15.Qa8 Ke7 (15...Kd7 16.Bh3 Qa6 17.Qa6 ba6 18.0-0=) 16.Qc8 (16.Bh3 Ne3+= 17.Nf1) 16...Ne3 (16...Qa6 17.N2b3+– 0.88/9 (17.Bb2 Qb6 18.N2b3+–); 16...Bh5 17.Nf5) 17.Bb2 (17.Bh3 Bh5 18.c4+–) 17...f5?? (17...Bh5 18.N2f3 Bf3 19.ef3 A) 19...Nf1?! 20.Qf5 f6 21.Kf1= (worse 21.Rf1 c5 22.f4 g6-/+); B) 19...g6-/+) 18.Qe6+– (18.Qe6 Kd8 19.Qe5+–) 1–0. marus1 – eggnog, internet, 2001.

10.Nd4 Bg6 11.h3 A) 11...Bd6 12.e4 (12.g4 Nbd7 13.Bb2 Ne5 14.f4 Ned7 15.e3 e5 16.fe5 Ne5 17.N2f3; 12.Bb2 e5 13.N4f3 Nbd7 14.Nh4 0-0 15.Ng6 hg6 16.Qa4 Qc7 17.e3; 12.Qa4 Nbd7 13.Qa8 Bb8 14.Qa4 0-0 15.c4 Qd8 16.N4f3 dc4 17.dc4) 12...0-0 13.Be2 Nbd7 14.0-0 de4 15.de4 Bf4 16.Nc4 Qc7 17.g3; B) 11...Be7 12.N2f3 (12.g4 Nbd7 13.Bg2 0-0 14.Qa4 Rc8 15.0-0 e5 16.Nf5 Bf5 17.gf5; 12.e4 Nbd7 13.Qc2 0-0 14.Be2 de4 15.Ne4 Ne4 16.de4 c5 17.Nf5; 12.Qa4 e5 13.N4f3 Nbd7 14.e3 0-0 15.Nh4 c5 16.Ng6 hg6 17.b5) 12...Nbd7 13.g4 0-0 14.Bg2 e5 15.Nf5 Bf5 16.gf5 Ra8 17.0-0; C) 11...Nbd7-/+ 12.g4 (12.Qa4 Bd6 13.Qa8 Bb8 14.Qa4 0-0 15.c4 Qd8 16.e3 dc4 17.dc4) 12...Bd6 13.Bb2 0-0 14.Qa4 c5 15.Nb5 cb4 16.Nd6 Qd6 17.Qb4.

10.Nd4 Bg6 11.h4 A) 11...Nbd7 12.g4 (12.e4 e5 13.Nf5 de4 14.de4 Ne4 15.Ne4 Bf5 16.Qf3 Be6 17.Bd3; 12.Qa4 Bd6 13.Qa8 Bb8 14.Bb2 0-0 15.Qa5 Qa5 16.ba5 Bd6 17.N2b3) 12...e5 13.h5 ed4 14.hg6 fg6 15.b5 Ng4 16.bc6 bc6 17.cd4; B) 11...Na6 12.e3 (12.e4 e5 13.Nc2 h5 14.ed5 cd5 15.Ne3 Bd6 16.Qa4 Ke7 17.Be2; 12.f4 Bd6 13.e3 c5 14.bc5 Nc5 15.N2b3 Nb3 16.Qb3 Qb3 17.Nb3) 12...e5 13.N4f3 Bd6 14.d4 ed4 15.Nd4 h5 16.Be2 0-0 17.0-0; C) 11...Bd6 12.g4 (12.e4 e5 13.Nf5 Bf5 14.ef5 Nbd7 15.Be2 0-0 16.0-0 Ra8 17.g4) 12...h5 13.g5 Ng4 14.e3 e5 15.N4f3 Nd7 16.Bb2 0-0 17.Qa4; D) 11...e5 12.N4f3 Nbd7 13.Qa4 Be7 14.c4 dc4 15.Qa8 Bd8 16.Bc3 cd3 17.Nc4.

10.e3 Qa6 11.Nb3 (11.e4 Bg4= (11...de4?? 12.de4 Qa3 13.ef5+–)) 11...Bg4 12.Be2 Bd6 13.0-0 0-0 14.Bb2 (14.h3 Bf3 15.Bf3 Nbd7=) 14...Nbd7 15.Qc2 Qb6 16.Ra1 Qc7 (16...e5 17.h3 Bf5 18.Nh4=) 17.h3 Bh5 18.Nbd4 Re8 19.Qd2 Qb6 20.g4 (20.Ra4 c5 21.bc5 Bc5=) 20...Bg6 21.Nh4 Nf8 (21...e5 A) 22.Ng6? ed4 (22...fg6?! 23.Nc2=; 22...hg6?! 23.Nf3=) 23.g5 de3 24.fe3 Re3-+ (24...fg6?! 25.gf6 Re3 26.d4 Rg3 27.Kf1-+); B) 22.Ndf5 Bf5 23.Nf5+=) 22.Kg2 h6 (22...N6d7 23.f4=) 23.f4 Bh7 24.Nhf3 N8d7 25.Bf1 (25.g5!? hg5 26.fg5=) 25...e5=+ 26.fe5 Ne5 27.Ne5 Be5 28.Nf3 Bd6 29.Re1 (29.Nd4 Bg6=+) 29...Ra8 (29...Re7 30.Qf2=+) 30.Ra1 Ra1 31.Ba1 Nd7 32.e4 (32.g5 hg5 33.Ng5 Bg6=+) 32...de4 33.de4 c5 34.c4 Be4-+ 35.b5 Ne5 36.Be5 Be5 37.Kf2? Qf6-+ 38.Bg2 Bd4 39.Ke2 Qe6 40.Nd4 Qc4 41.Kf2 Bg2 42.Kg2 cd4 43.Kf2 0–1. Oakes,Barrie – Betzelt, corr ICCF TT–4–90 SF, 1995.

10.e3 Be7 11.Be2 0-0 12.0-0 Nbd7 13.Nh4 Ra8 14.Nf5 ef5 15.Qc2 Ng4 (15...Bd6 16.Nf3=) 16.Nf3+= Qc7 17.h3 Ngf6 18.Nd4 Qe5 (18...f4 19.Nf5 Bd6 20.e4=) 19.Nf3 (19.Qd2 f4+=) 19...Qc7= 20.Rb1 (20.Qd2 Qd6=) 20...f4 21.e4 de4 22.de4 c5 23.b5 c4 24.e5 (24.Rd1 Nb6+=) 24...Ne5 25.Ne5 Qe5 26.Bc4 f3 27.Qd3 (27.Qb3 Qh5 28.Qd1 Qg6-/+) 27...fg2 28.Qf3 Ne4 (better is 28...Ra4 29.Bd3 Bd6 30.Qg2 Ra2=+) 29.Kg2?? (better is 29.Bf7 Kh8 30.Qg2+= (< 30.Kg2 Nd2 31.Qb7 Rf8-+)) 29...Nd2-/+ 30.Bf7 (30.Qf7 Kh8 31.Rd1 Bd6 (31...Nc4?! 32.Qc4 Qg5 33.Qg4=) 32.Rd2 Qg5 33.Kf1 Qd2-+ (33...Ra1 34.Ke2 Ra8 35.Rd6 Qe5 36.Kf1 Qd6 37.Qb7 Ra1 38.Kg2 Qg6 39.Kf3 Qf5 40.Kg2 Qg6 41.Kf3 Qf5 42.Kg2 Qg6=)) 30...Kh8 31.Qb7 Rf8 32.Rg1 Bd6 Threatening mate: Qh2 (33.f4 Qf4 34.c4 Qh2#; < 32...Rf7 33.Rd1-+) 0–1. Cottarelli,Franco – Ganesan,Arasu, tt corr, 1990.

10.e3 Be7 11.Be2 0-0 12.0-0 Nbd7 13.Nh4 Bg6 14.Ng6 hg6 15.Qa4 Qc7 16.Qa7 Nb6 17.Qa2 Ra8 18.Qb3 Bd6 19.Nf3 e5 20.c4 e4 21.c5 ef3 22.cd6 Qd6 23.Bf3 Nbd7 24.Bd4 Ne5 25.Be5 Qe5 26.d4 Qd6 27.h3 Nd7 28.Be2 Kh7 29.Rc1 Nb6 30.b5 Ra3 31.Qb1 Na4 32.Rc2 Nc3 33.Qb2 Ne2 34.Re2 cb5 35.Rc2 b6 36.g3 b4 37.Qc1 b3 38.Rc3 Qb4 39.Qb2 g5 40.g4 b5 41.Kg2 Qa4 42.Kg3 b4 43.Rc5 Ra2 44.Qb1 g6 45.Rc1 b2 46.Rc2 Qa3 47.Re2 b3 48.f4 gf4 49.Kf4 Qd6 50.Kf3 Qc6 51.Rb2 Rb2 52.Qb2 Qc2 53.Qa3 b2 54.Qf8 Qe4 55.Ke2 Qc2 56.Kf3 Qe4 57.Ke2 Qe6 58.Qb4 Qe4 59.Qf8 Qc2 60.Kf3 Qc7 61.Qb4 Qc1 62.Qf8 Qf1! 63.Kg3 b1Q 64.g5 Qbe1 0–1. marus – bejol, internet, 2001.

10.e3 Be7 11.Be2 0-0 12.Nh4 Bg6 13.Ng6 hg6 (13...fg6 14.0-0=) 14.d4 (14.Nf3 Bd6+=) 14...Nbd7= 15.Bb2 Ra8 16.Qb3 Qc7 17.c4 dc4 18.Bc4 (18.Nc4 Nd5 19.b5 Bb4 20.Nd2 N7f6=+) 18...b5=+ 19.Be2 Ra4 20.e4 (better is 20.0-0!?=+) 20...Bb4-/+ 21.Bc3 (21.f3 c5 22.Qd1 Ra2-+) 21...Bc3-+ 22.Qc3 Qb6 23.h4 (23.Nb3 e5 24.0-0 ed4 25.Qh3-+) 23...Qd4 24.Qd4 Rd4 25.f3 Kf8 26.Nb3 Rb4 27.Bd1 c5 28.g3 (28.e5 Nd5-+) 28...c4 29.Nd4 (29.Nd2 Rb2 30.Be2 e5-+) 29...Nc5 (29...Rb2 30.Be2-+) 30.Ke2 c3 31.Ke3 (31.Nc2 Ra4-+) 31...Rb1 32.Nc2 b4 (33.Ke2 b3-+) 0–1. marekt – Eralos, chessworld.net, 2002.

10.h3 Be7 11.g4 Bg6 12.Ne5 Nbd7 13.Ng6 hg6 14.Bg2 0-0 15.0-0 Ra8 16.Qc2 Ra6 17.Bb2 Qa7 18.Rb1 b5 19.Nf3 Ne8 20.Qc1 Nd6 21.Ra1 Ra4 22.Qe1 e5 23.Qc1 e4 24.de4 de4 25.Nd4 Ne5 26.Ra4 ba4 27.Ba1 Bh4 28.Qc2 Qe7 29.Qc1 Qf6+= 30.f4 ef3 31.Nf3 Nf3 32.ef3 Nc4 33.f4 Qe6 0–1. Cardoso,Sergio (2015) – Kachkin,Konstantin (2155), RA–2010-0-00101, 2010.

10.Nh4 Nbd7 11.Nf5 ef5 12.d4 Bd6 13.e3 0-0 14.Bd3 g6 (14...f4 15.0-0=+) 15.0-0= Qc7 16.g3 b5 17.Bb2 Nb6 18.Kg2 Qe7 19.Qc2 Ra8 20.Nb3 h5 (20...Nc4 21.Ra1 Ra1 22.Ba1=) 21.Bc1 (21.Na5 Qc7=) 21...h4 22.f3 (22.Na5!? Qc7 23.Rg1=) 22...hg3=+ 23.hg3 Nh5 24.f4 Kg7 25.Na5 Rc8 26.Rh1 Nf6 27.Kf3 Ne4 28.Qh2 Kf6 (worse 28...Nc3 29.Bf5 Ra8 30.Bb2+=) 29.Qh4 Ke6 30.Qe7 Be7 31.Be4 fe4 32.Ke2 Nc4 33.Nc4 bc4 34.Bd2 Ra8 35.g4 Ra2 36.Rb1 Kd7 37.Kd1 Kc7 38.g5 Kb6 39.Kc1 Kb5 40.Rb2 Ra1 41.Rb1 Ra8 42.Kb2 Rh8 43.Ra1 Kb6 44.Kc2 Bd6 45.Rf1 Rh2 46.Kc1 Kb5 47.Kc2 Rg2 (47...Bf8 48.Ra1=+) 48.Kc1 Ka4 49.Kc2 Rh2 50.Ra1 Kb5 51.Rf1 Rg2 52.Re1 (52.Kc1 Ka4 53.Rh1 Kb3=) 52...Be7 (52...Bc7 53.Kd1 Rh2 54.Kc2=+) 53.Rh1= Bd6 (53...f6 54.Rh7 Bd8 55.gf6 Bf6 56.Kd1=+) 54.Rf1 (better 54.Kd1!?+=) 54...Kb6 55.Kd1 Rh2 56.Kc1 Be7 (56...Kc7 57.Kc2=+) 57.Rg1 Kc7 58.Kd1 Kd7 59.Re1 Ke6 60.Re2 Re2 61.Ke2 Kf5 62.Kf2 Kg4 63.Kg2 f6 64.gf6 Bf6 65.Be1 Be7 66.Bd2 Bh4 67.Bc1 Be1 68.Bb2 Kf5 69.Kf1 Bh4 70.Bc1 Kg4 71.Kg2 Bg3 (71...g5 72.fg5 Kg5 73.Kf1=+) 72.Bd2 (72.Ba3 Kh4=+) 72...Bh4 (72...g5 73.fg5 Bh4 74.g6=) 73.Bc1 Be1 74.Bb2 Kh4 75.Kf1 Bg3 76.Kg2 Kg4 77.Bc1 Bh4 78.Bd2 g5 79.fg5 Bg5 80.Be1? (80.Kf2-/+) 80...Bh4?? (80...Be3 81.Kf1 Kf3-+) 81.Bd2 (81.Bh4!? Kh4 82.Kh2=) 81...Be7-/+ 82.Be1 Bh4 (82...Bd6 83.Bf2=+) 83.Bd2 (83.Bh4!? Kh4 84.Kh2=) 83...Bg3-/+ 84.Bc1 Be1 85.Bb2 Kf5 86.Kf1 Bg3 87.Bc1 Ke6 88.Bd2 Kd7 (88...Bb8 89.Kg2=+) 89.Kg2 Bd6 90.Kh3 Kc7 91.Kg4 Kb6 92.Kf5 Kb5 93.Ke6 Bg3 94.Kd7 Bh4 95.Kd6 Kb6 96.Kd7 Bg3 97.Kc8 Ka6 1–0. Garceran Nieuwenburg,David – Koenigsberg,Andrew (1965), Hong Kong–ch, 2012.

10.Nh4 Nbd7 11.Nf5 ef5 12.d4 f4 13.g3 Bd6 14.Bg2 0-0 15.0-0 Re8 16.Re1 Ne4 17.e3 fg3 18.hg3 Ndf6 19.Bb2 Qc7 20.Ne4 Ne4 21.Qg4 h5 22.Qh4 (22.Qh3 g6=+) 22...g6 23.Ra1 Kg7 24.Bf1? (better 24.Ra7=+) 24...Ng3-+ 25.fg3 (25.Bd3-+) 25…Bg3 (25...Bg3 26.Qh1 Re3-+) 0–1. marekt – pcmvr, net–chess.com, 2019.

10.Nh4 Bg4 11.f3 Bh5 12.g4 =+.

10.Nh4 Bg4=+ 11.h3 Bh5 12.g4 Bg6 13.Bg2 (13.g5 Nfd7+=) 13...Be7 (13...Bd6 14.g5 Nh5 15.e3=) 14.0-0 (14.g5 Nfd7 15.Ng6 hg6=) 14...0-0 (14...e5 15.g5 Nfd7 16.Ndf3=) 15.Ng6 (15.g5 Nfd7 16.Ng6 fg6=) 15...hg6 (15...fg6 16.g5 Nfd7 17.Nf3=) 16.Qa4 (16.g5 Nh7=) 16...Nbd7 (16...e5 17.g5 Nfd7 18.Nf3=) 17.Rb1 (17.g5 Nh7=) 17...Qc7 (17...e5 18.g5 Nh7 19.Bd5 cd5 20.Qd7 Bg5 21.Nf3=) 18.b5 (18.c4 dc4 19.Nc4 Qf4+=) 18...Nb6 19.Qb3 Ra8 20.bc6 bc6 21.c4 Nbd7 (21...Ra3 22.Qc2=) 22.Bc3 (22.Bd4 e5 23.Bc3 d4=) 22...Bd6 (22...Rb8 23.Qc2=) 23.Qc2 (23.Nf3 Ne5=) 23...Bh2 24.Kh1 Be5 25.d4 Bd6 26.g5 Nh7 27.h4 (27.Nf3 Bf4=) 27...Be7 (27...Nb6 28.c5 Bc5 29.dc5+–) 28.e3 (28.Kg1 Bd6+=) 28...Nhf8 (28...Bd6 29.c5 Be7 30.Kg1+=) 29.Kg1 Ra7 (29...Bd6 30.e4+=) 30.Bb2 (30.e4 Qf4+=) 30...Bd6 (30...Bb4 31.cd5 cd5 32.Qc7 Rc7 33.Rc1=) 31.Nf1 ½–½. Woelfelschneider,Peter – Lindner,Joachim, T16–05.47 TSC, 2003.

10.Nh4 Bg6 11.e4 A) 11...Nbd7 A1) 12.ed5 cd5 (12...Bh5 13.Be2 Be2 14.Qe2 cd5 15.0-0 Bd6=) 13.Be2 d4 14.Nc4 Qc7 15.b5 Nd5+=; A2) 12.Bb2 Bh5 (12...Bd6 13.Be2 Bf4 14.ed5 cd5 15.Ng6 hg6=) 13.Nhf3 Bd6 14.Be2 0-0 15.ed5 cd5+=; A3) 12.Ng6 hg6 13.Be2 Bd6 14.h3 Nh5 15.ed5 cd5=; A4) 12.h3 Bd6 13.Be2 0-0 14.0-0 Bf4 15.Ng6 fg6=; A5) 12.Be2 Bd6 13.Ng6 hg6 14.h3 Nh5 15.0-0 Nf4=; B) 11...Bd6 12.Be2 (12.Ng6 hg6 13.h3 Nbd7 14.Be2 Nh5 15.0-0 Nf4=) 12...Nbd7 (12...Bf4 13.ed5 cd5 14.Qa4 Qc6 15.Qc6 Nc6=; 12...0-0 13.Ng6 fg6 14.0-0 Qc7 15.ed5 cd5=; 12...Na6 13.Bb2 Bf4 14.ed5 cd5 15.g3 Bd6=) 13.Ng6 hg6 14.h3 Nh5 15.0-0 Nf4=.

10.Nh4 Bg6 11.Ng6 fg6 (11...hg6 12.e3 Bd6 13.Be2 Nbd7 14.Nf3 Ne5 15.Ne5 Be5=) 12.e4 (12.d4 Bd6 (12...Be7 13.e4 Ne4 14.Ne4 de4 15.Qb1 e5+=) 13.e4 e5 14.ed5 cd5 15.de5 Be5=) 12...Bd6 13.d4 (13.Qe2 e5 14.ed5 cd5 15.c4 dc4=) 13...de4 (13...e5 14.ed5 cd5 15.de5 Be5=) 14.Qb3 (14.Qc2 0-0 15.Ne4 Ne4=) 14...Kd7 (14...Ke7 15.Qc2 e5=) 15.Nc4 Qa7 (15...Qc7+=) 16.Bb2 b5 17.Nd6 Kd6 18.Be2 Nbd7 19.0-0 (19.Qc2 e5 20.0-0 ed4=) 19...Ra8 (19...Qa4!? 20.Qd1 Qd1 21.Rd1 Ra8-/+) 20.Ra1 (20.c4 bc4 21.Qg3 Ke7 22.Bc4 Nd5=) 20...Qb7 (20...Qa1!? 21.Ba1 Ra1 22.Bf1 e5=) 21.Ra5+= Nb6 22.Bc1 Nfd5 23.Qc2 Nf6 24.g4 h6 25.f3 ef3 26.Bf4 Ke7 27.Bf3 Kf7 28.Rb5 Ra1 29.Bc1+= Nfd5 30.Ra5 Ra5 31.ba5 Nc4 32.Be4 g5 33.Bg6 (33.Bg6 Ke7 34.Qa2+/-) 1–0. Buss,Michael – Schuehler,Ernst, corr 3GMM½–1, 1996.

11.Be2 0-0 12.Nh4 Bg6 13.Ng6 fg6 14.0-0 Qc7 15.g3 e5 16.c4 (16.Qb3 Qf7+=) 16...Nbd7 (16...Bb4!? 17.Nf3 Nbd7=) 17.cd5 Nd5 18.Nc4 Nb4 19.Nd6 Qd6 20.Qb3 Kh8 21.Bg4 Nf6 22.Be5 Qe5 23.Qb4 Nd5?? (23...c5 24.Qc4 b5 25.Qe6 Ng4 26.Qg4+=) 24.Qb7 (24.Qf8) 24...Ne3= 25.fe3 Qe3 26.Kg2 Rf1?? (better is 26...Qd2 27.Kg1 Qe3 28.Kg2 Qd2 29.Kg1 Qe3=) 27.Kf1 (27.Qb8 Qe8 28.Qe8 Rf8 29.Qf8) 27...Qd3+– 28.Kg2?? (28.Be2 Qf5 29.Kg2 Qd5 30.Kf2 Qf5 31.Ke1 Qa5 32.Kd1 Qd5 33.Kc2 Qc5 34.Kd2 Qa5 35.Kd3 Qd5 36.Kc3 Qe5 37.Kb3 Qe3 38.Kb4 h5 39.Qa8 Kh7+/-) 28...Qe4?? (better is 28...Qd2 29.Kf3 h5=) 29.Bf3 (29.Kh3 h5 30.Qc8 Kh7+/-) 29...Qc2 30.Kh3 (better is 30.Kf1 Qc1 31.Ke2 Qc2 32.Ke3 Qc3 33.Ke4 Qc2 34.Kf4+/-) 30...Qf5= 31.Bg4 Qf1 32.Kh4 g5?? (better is 32...Qf6 33.Kh3 Qf1 34.Kh4 Qf6 35.Kh3 Qf1=) 33.Kg5?? (better is 33.Kh5 g6 34.Kg5 Qc1 35.Kf6 Qc3 36.Ke6 Qc4 37.Ke7+–) 33...Qf6 34.Kh5 h6 (34...Qh6) 35.Qc8= Kh7 36.Bf5 g6 37.Bg6 Qg6 38.Kh4 Qg5 39.Kh3 Qh5 40.Kg2 Qe2 41.Kh3 Qh5 42.Kg2 Qd5 43.Kh3 Qh5 ½–½. sunnyda – donfredrico, kurnik, 2013.

11.Be2 Nbd7 12.0-0 0-0 13.Nh4 Qc7=+ 14.f4 Qb6 15.d4 Ne4 16.Ne4 Be4 17.Bd3 Bd3 18.Qd3 f5 19.Bb2 Ra8 20.Ra1 Ra1 21.Ba1 Qa7 22.Bb2 Qa2 23.Bc1 Nf6 24.Nf3 Ne4 25.Nd2 Qa1 0–1. Nicklich – Hochgraefe, corr 1970.

11.Be2 Nbd7 12.0-0 Qc7 13.Qb3 0-0 14.c4 b6 15.Bb2 c5 16.b5 Rd8 17.h3 Ne5 18.Qc3 d4 19.ed4 Nf3 20.Bf3 cd4 21.Qc2 Bb4 22.Rd1 e5 23.Bc6 Bd7 24.Bd7 Nd7 25.f3 Nc5=+ 26.Ne4 Ne6 27.Bc1 f5 28.Nf2 Ra8 29.Bd2 Be7 30.Qb2 Bh4 31.Ra1 Rd8 32.Be1 Nf4 33.Qc2 Qe7 34.Nh1 e4 35.fe4= fe4 36.c5 Be1 37.Re1 e3 38.cb6 Qb4 39.Qc4=+ Qc4 40.dc4 Nd3 41.Re2 Rf8 42.Ng3 Ne5 43.c5 d3 44.Re1 d2 45.Rd1 Nd7 46.c6 Nb6 47.Ne2 Rf5 48.Nd4 Rc5 49.Kf1 Rc1 50.Ke2 Rd1 51.Kd1 Na4 (51...Na4 52.Kc2 Nb2 53.Kb2 d1Q-+) 0–1. Etmans,Maarten D (2010) – Pommerel Brouwer,Wim H (2315), Dutch CC Championship KE09, 2006.

11.e4 de4? 12.de4 Be4 13.Nc4 Bf3 14.gf3 +– (14.Nb6 Bd1 15.Kd1 Bc7-+; 14.Nd6?! Ke7 15.Qf3 Kd6=).

11.e4 de4? 12.de4 Ne4 13.Ne4 Bh2 14.Nc5 +–.

11.e4 Bg4 12.Be2 Nbd7 13.0-0 0-0 14.h3 Bh5 15.Nd4 Bg6 16.ed5 cd5 17.N2f3 e5 18.Nc2 h6 19.Nh4 Bh7 20.Ne3 Re8 21.Nhf5 Bb8 22.Re1 Qe6 23.Ng3 Qd6 (23...Bd6 24.Bf3=+) 24.Bf3 Bg6 25.Ngf5 Qc7 26.g3 b5 (26...Nb6 27.Bg2=) 27.Nh4 Nb6 28.Ng6 fg6 29.Bg2 Qf7 30.Qe2 Bd6 31.Nc2 Kh7 32.Rd1 h5 (32...Qd7 33.Ne3=) 33.Na3+= Qd7 34.d4 (34.Qd2 Ra8 35.Bb2 Na4+=) 34...Nc4= 35.Nc4 bc4 36.de5 Re5 37.Qc2 Qe6 38.Qb1 h4 39.g4 (39.gh4 Re2 40.Qc1-+) 39...Re2-+ 40.Bf3 Bg3?? (41.Be2 Qe2=+; better is 40...Ne4 41.Be4 Re4-+ (41...de4?! 42.Kf1 Qf6 43.Ke2 Qf3 44.Ke1=)) =+. Zillmer,Jim – Yalcin,Umit, corr or01–018, 2001.

11.e4 Bg4 12.Be2 Nbd7 13.ed5 cd5 14.h3 Bf3 15.Nf3 0-0 16.Qa4 Qc6 (16...Rd8 17.0-0=+) 17.Qc6= bc6 18.Nd4 (18.Kd2 Rb8=) 18...Ra8 19.0-0 Ra2 20.Re1 c5 21.Nc6 cb4 22.cb4 Ne8 23.Kf1 Nc7 24.d4 Ne8 25.b5 Nef6 26.Bc3 Ne4 27.Ba5 h6 28.Rc1 Bf4 29.Rd1 Bg5 30.g3 Bd2 31.Bd2 Nd2 32.Ke1 Ne4 33.Rc1 Rb2 34.Na7 Nf8 35.h4 g5 36.h5 Nd7 37.g4 Nb6 38.f3 Nd6 39.Rc6 Nbc4 40.Bc4 Nc4 41.Rc8 Kg7 42.Rb8 e5 43.Nc6= e4 44.fe4 de4 45.d5 Rg2 46.Ne7 Rg1 47.Ke2 Rg4 48.b6 Rg2 49.Ke1 Rb2 50.Nf5 Kf6 51.Nh6 Rb6 52.Ng4 Kg7 53.Rc8 Nd6 54.Rc7 Rb1 55.Ke2 Rb2 56.Ke1=+ Rb6 57.Kf2 Nf5 58.Ne5 Rf6 59.Ng4 Rd6 60.Rc6 Rd5-+ 61.h6 Nh6 62.Nh6 f6 63.Ng4 f5 64.Rc7 Kg6 65.Rc6 Kf7 66.Ne3 Re5 67.Nc4 Re6 68.Re6? Ke6 69.Ke3 Kd5 70.Nb6 Ke5 71.Nd7 Ke6 72.Nf8 Kf6 73.Nh7 Kg6 74.Nf8 Kg7 75.Ne6 Kf6 76.Nf8 Ke5?? 77.Nd7= Kd5 78.Nb6 Kd6 79.Kd4 g4 80.Nd5 Ke6 81.Nf4 Kf6 82.Ke3 g3 83.Nh5 Kg5?? 84.Ng3= f4 85.Ke4 fg3 86.Kf3 Kh4 87.Kg2 Kg4 88.Kg1 Kf3 89.Kh1 Ke4 90.Kg2 Kf4 91.Kg1 Kg4 92.Kg2 Kh4 93.Kg1 Kh3 94.Kh1 g2 95.Kg1 Kg3 ½–½. Junior 4.6 – Genius 5, 1998.

11.e4 Bg4 12.h3 Bf3 13.Qf3 =+.

11.Be2 e5 12.0-0 =.

11.Be2 Be7 12.Nh4 0-0 13.Nf5 ef5 14.0-0 Ra8 15.Nb3 Nf8 16.Nd4 g6 17.Qc2 Ne6 18.Ne6 fe6 19.Rb1 Qd8 20.c4 dc4 21.dc4 Ne4 22.Rd1 Qc7 23.Bf3 Bf6 24.Bf6 Nf6 25.Qb2 1–0. Sidenko,Anatoly (2220) – Simmelink,Joop (2175), WC–2008–F–00004, 2008.

12.0-0 0-0 13.Nd4 Bg6=+ 14.Qb3 (14.f4 e5 15.fe5 Ne5=+) 14...Ne5 (14...e5 15.Nc2=+) 15.e4 (15.Qc2!?=+) 15...de4-/+ 16.de4 Ne4 17.Ne4 Be4 18.Rd1 White prepares the advance b5 18...Rd8 (18...Ra8 19.Bb2-/+) 19.b5? (better is 19.Ne6 Ra8 20.Ng5=) 19...Bc5 20.bc6? (20.Qb2 cb5 21.Bb5 Nc6-+) 20...Nc6 (20...Rd4 21.cd4 A) 21...Nc6?? 22.Qe3 Nd4 23.Bd4 (23.Rd4?! Bd4 24.Bd4 Qb1 25.Bf1 f6+–) 23...Bd4 24.Qd4 Qd4 25.Rd4+–; B) 21...Qb3+=) 21.Qb6-/+ Bb6 22.Nc6 ½–½. Bott,Hans Joachim – Wirsching,Leonhard, Baden–ch AT Ladenburg, 1992.

12.0-0 0-0 13.Nh4 Bg6 14.Ng6 hg6 (14...fg6 15.Nf3=) 15.e4 (15.Nf3=) 15...c5 (15...Ra8!?=) 16.bc5+= Nc5 (16...Bc5 17.d4 Be7 18.e5+/-) 17.e5!+/- Be5 18.d4 Bh2 (18...Bf4 19.dc5 Qc5 20.g3+/-) 19.Kh2 Nce4 20.Nf3 (20.Ne4 Ne4 21.Kg1 Rc8+/-) 20...Nc3 21.Bc3+/- Qc7 22.Ne5 Qc3+= 23.Rh1 Ne4= 24.Kg1 Rc8 25.g3 Qc1 26.Kg2= Qd1 27.Rd1 Rc2 28.Re1 g5 29.Nd3 b5 30.Kf3 f5 31.Ke3+= b4? 32.Nb4+/- Rc3 33.Nd3 Kf7 34.Rg1 Kf6 35.f3 Nd6 36.Kd2 Ra3 37.Rc1 Ra2 38.Rc2 Nc4 39.Kc3+– Rc2 40.Kc2 Na3 41.Kb3 Nb5= 42.Bd1 Nd4 43.Kc3 e5=+ 44.Kb4 e4-/+ 45.fe4 de4 46.Kc4 Nc6 47.Nc5=+ Ke5 48.Ba4 Ne7 49.Nd7 Kd6 50.Nc5 e3-/+ 51.Bd1 Ng6 52.Kd4= f4 53.gf4 gf4 54.Nd3 Ke6 55.Ke4 Kf6 56.Nf4 Nf4 57.Kf4 e2 58.Be2 ½–½. CountFromHolland – Redmike, playchess.de, 2003.

12.0-0 0-0 13.Nh4 h6 14.Nf5 ef5 15.Qc2 Qc7 16.g3 Ra8 17.Bb2 b6 18.Ra1 Ra1 19.Ba1 g6 20.Nf3 b5 21.Nd4 Ne5 22.Bb2 Bf8 23.c4 bc4 24.dc4 Bb4 25.Nc6 Qc6 (25...Nc6 26.Bf6) 26.Be5 dc4 27.Bc4 ½–½. Boehnke,Hartmut (2025) – Ster,Peter (1950), DESC, 2001.

12.0-0 Qc7 13.Qb1 =.

12.0-0 Qc7 13.Qc2 =.

12.0-0 h6 13.Nd4 (13.e4 Bg4=+ (13...de4? 14.de4 Be4 15.Nc4 Bh2 16.Nh2+–)) 13...Bh7 14.e4 de4 15.de4 (15.Nc4 Qc7 16.Nd6 Qd6 17.de4 Be4-/+) 15...Qc7-/+ (worse 15...Ne4 16.Ne6 Bh2 17.Kh2 fe6 18.Ne4 Be4 19.Qd6+=) 16.Bf3 (better 16.g3!? Ne4 17.Nc4-/+) 16...Bh2-+ 17.Kh1 Bf4 18.Ne2 (18.Re1 Ne5-+) 18...Bd2 19.Qd2 Be4 20.Be4 Ne4 21.Qd4 Qe5 22.f4?? (22.f3 Qd4 23.cd4-+) 22...Qh5 23.Kg1 Qe2 24.Qd1 (24.Rd1 0-0 25.Qd7-+) 24...Qe3 25.Kh2 Ndf6 26.Rf3 Ng4 (26...Ng4 27.Kh3 Ngf2 28.Kh2 Nd1 29.Re3 Ne3-+) 0–1. tche – pcmvr, net–chess.com, 2019.

12.g3 h6 13.0-0 0-0 14.Nd4 (14.e4 Bh3 (14...de4? 15.de4 Bh3 16.Nc4+–) 15.Re1 Ra8=+) 14...Bg6 (14...Bh3 15.Re1-/+) 15.Re1 (15.f4 Ra8=+) 15...Ne5 (15...e5 16.N4f3-/+) 16.e4 (16.N2b3 Ra8=+) 16...de4-/+ 17.Ne4 (17.de4 Ne4 (< 17...Be4 18.f4+=) 18.f4 Nd7=) 17...Ne4 18.de4 c5 (18...Be4 19.Nf5 Bc7 20.Nd4-+) 19.Nc2? (19.bc5!? Bc5 20.Bf1=+) 19...Rd8 (19...Be4 20.Bh5 f5 21.Ne3-+) 20.Qb1 (20.Bh5!?-/+) 20...Be4-+ 21.Ne3?? (21.c4-+) 21…Bb1 (22.Rb1 cb4 23.cb4 Bc5 24.Be5 Be3-+) 0–1. Hasler,Ulrich – Roberts,Anthony, corr ICCF EM/C/A010, 1996.

12.Nh4 0-0 =.

12.Nh4 Bg6 =.

11.e4 de4 12.Nf5+= ef5 13.de4 fe4?? (better is 13...Qc7 14.Qf3 Bf4 15.ef5 0-0=) 14.Nc4+– Qd8 (14...Qc7 15.Nd6 Ke7 16.Nf5 Kf8 17.f3+–) 15.Nd6 Ke7 (15...Kf8 16.Qd2+–) 16.Nf5 (16...Ke8 17.Ng7 Ke7 18.Nf5 Ke6 19.Nd4 Ke7 20.Nf5 Ke6 21.Nd4 Ke7 22.Qd2+–) 1–0. Registration (2370) – Pennswoodpusher (2055), ICC, 2003.

11.e4 Bg4!? 12.Be2 Be2 13.Qe2 Nbd7 =.

11.Nf5 ef5 12.e3 Nbd7 =.

11.Nf5 ef5 12.e3 f4 13.e4 Be5 =.

11.Nf5 ef5 12.g3 0-0 13.Bg2 f4 14.gf4 Bf4 15.0-0 Nbd7=+ 16.Nf3 Ra8 17.Bb2 Bd6 18.Qc2 Ne5 19.Ne5 Be5=+ 20.e3 Qc7 21.f4 Bd6 22.c4 dc4 23.Qc4 Qe7=+ 24.Bf6 Qf6 25.b5= Qe7 26.Be4 (26.Qe4 Qe4 27.Be4 cb5=) ½–½. Johansson,Mats – Alvarez Villar,Horacio Nelson, TE–2004–P–01712, 2004.

10.Qb1 Na6 11.Bb2 A) 11...Bg7 12.e4 Bd7 13.Be2 0-0 14.0-0 Nh5 15.g3 Ra8 16.d4 Nc7 17.Qc2; B) 11...Nc7 12.Nd4 (12.e3 Bg7 13.Nd4 Bd7 14.Be2 0-0 15.0-0 Ra8 16.Qc2 Ne6 17.Ne6; 12.Nb3 Bh6 13.h3 Bd7 14.Nc5 Ne6 15.Nd7 Nd7 16.e3 0-0 17.d4; 12.e4 Be6 13.Be2 Bh6 14.0-0 0-0 15.c4 Bd2 16.Nd2 Qb4 17.Bf6; 12.h3 Bg7 13.Nd4 Bd7 14.N2b3 0-0 15.Nc5 Ra8 16.e3 Bc8 17.Be2) 12...Bh6 13.Nf5 Bd2 14.Kd2 gf5 15.Ke1 Ne6 16.Qc2 h5 17.d4; C) 11...Bh6 12.h3 (12.Nd4 Bd7 13.N2f3 Qc7 14.Bc1 Bc1 15.Qc1 c5 16.bc5 Nc5 17.h4) 12...Be6 13.Nd4 0-0 14.Ne6 Bd2 15.Kd2 fe6 16.e3 c5 17.Be2.

10.Qb1 Na6 11.Qc2 A) 11...Bg7 12.Nb3 (12.h3 0-0 13.g4 Be6 14.Nd4 Ra8 15.Bb2 c5 16.Ne6 fe6 17.Bg2) 12...Ng4 13.e3 Bd7 14.h3 Ne5 15.Nfd4 c5 16.bc5 Nc5 17.Nc5; B) 11...Bh6 12.h3 (12.e4 Ng4 13.Nd4 e5 14.ef5 ed4 15.Nb3 Nb4 16.Qe2 Kd7 17.Qg4) 12...Be6 13.g4 Bf4 14.g5 Nd7 15.e3 Bd6 16.Nd4 0-0 17.Bb2.

10.Qb1 Na6 11.e4 Ng4 (11...Bd7 12.Be2=+ (12.Bb2 Bh6 13.Be2 Nc7 14.0-0 Ne6 15.g3 0-0 16.Qc2 Ng4 17.h3; 12.d4 Bh6 13.Bd3 0-0 14.0-0 Ra8 15.e5 Nh5 16.g3 Nc7 17.c4; 12.Qa2 Bh6 13.Qa5 Qa5 14.ba5 de4 15.de4 Nc5 16.c4 0-0 17.e5; 12.Ne5 Bh6 13.Qd1 Be6 14.ed5 Nd5 15.Be2 Bg7 16.d4 Nf4 17.Ndc4) 12...Bh6 13.0-0 0-0 14.Qc2 Ra8 15.Bb2 Nc7 16.Ne5 Be6 17.Ndf3; 11...Be6 12.Be2 (12.d4 Bh6 13.Bd3 0-0 14.0-0 Nc7 15.e5 Nh5 16.g3 Ra8 17.Qb3; 12.h3 Bh6 13.Be2 0-0 14.0-0 Nh5 15.d4 Nf4 16.Bd3 Ra8 17.Bb2; 12.e5 Nh5 13.g3 Bg7 14.Bg2 0-0 15.0-0 Ra8 16.Nd4 Nc7 17.Re1; 12.Bb2 Bh6 13.Be2 0-0 14.0-0 Ra8 15.ed5 cd5 16.Nb3 Qc7 17.Qa2) 12...Bh6 13.0-0 0-0 14.Qc2 Ra8 15.e5 Nd7 16.Bb2 Nc7 17.Ra1) 12.d4 (12.Nd4 Bd7=+ (12...e5 13.b5 Nc7 14.ef5 ed4 15.bc6 Qb1 16.Nb1 bc6 17.h3) 13.h3 Nf6 14.e5 Nh5 15.Be2 Nf4 16.Bf3 Qc7 17.0-0) 12...de4=+ (12...Be6 13.Bd3 Bg7 14.h3 Nf6 15.e5 Nh5 16.Ng5 Bd7 17.b5) 13.Ne4 Nb4 (13...c5 14.h3 Nf6 15.Nf6 ef6 16.Qa2 cb4 17.Bc4) 14.Be2 (worse 14.cb4 Be4 15.Bd3 Bd3 (15...Bd5 16.0-0 Bh6 17.Re1) 16.Qd3 Bg7-/+ 17.0-0) 14...Nd5 15.Qb6 Nb6 16.Nc5 Bc8 (16...Bh6 17.h3) 17.0-0 (17.h3=+) 17...Nf6 (17...Nd5 18.g3=) 18.Rb1= Nfd7 19.c4 Bg7 20.Ne4 0-0 21.Bc3 Na4 22.Bb4 Re8 (22...c5 23.Bd1=+ (worse 23.dc5 f5 24.Ned2 Ndc5-/+)) 23.Bd1 (23.Ra1 Nab6=) 23...Nab6 24.Bb3 Nf8 (24...Nf6 25.Nc5=) 25.Ba5 (25.d5!?=) 25...Bf5=+ 26.Re1 Be4 27.Re4 Nbd7 28.Bd2 (28.g3 Ne6=+) 28...Ne6 29.c5? (better 29.g3!?=+) 29...Nd4-+ 30.Nd4 Nc5 31.Rf4 Rf8 32.Nc6 bc6 (32...Nb3?! 33.Ne7 Kh8 34.Be3=+) 33.Bc2 Ra8 34.Kf1 (34.g3 Ne6 35.Rc4 c5-+) 34...Ra1 35.Ke2 Ne6 36.Rc4 (36.Rb4 Nd4 37.Kd3 Ra3 38.Kc4 Be5-+ (38...Nc2 39.Rb8 Bf8 40.Bh6 Ra4 41.Kc3 Ra3 42.Kd2 Rd3 43.Kc2 Rd8 44.Rd8 e5 45.Rf8)) 36...Nd4 37.Ke3 e5 38.g3 f5 (38...Nc2?! 39.Rc2 Ra6 40.f3-+) 39.Bb4 Kf7 40.h4 (40.f4 Ra2 41.Bd1 ef4 42.gf4 Rh2-+) 40...Bh6 (40...Bf6 41.Kd2-+) 41.Kd3 Bg7 42.Ke3 Ke6 43.Bd3 e4 44.Be2 Rb1 (44...Ne2?! 45.Rc6 Kd7 46.Rd6 Kc7 47.Ke2-+) 45.Bc3 Rb3 46.Kd2 Bh6 47.Ke1 Ne2 48.Ke2 Kd5 49.Rd4 Kc5 50.Ba1 Ra3 51.Rd1 Ra2 52.Ke1 (52.Kf1 Bd2-+) 52...Kc4 53.Be5 (53.Kf1 Rd2 54.Rb1 Bf8 55.Rc1 Kd5-+) 53...Bf8 54.Bd4 (54.Rd4 Kb3 55.Bd6-+) 54...Bb4 55.Kf1 Rd2 56.Rd2 Bd2 57.Bg7 (57.Bb6 Kd3 58.Kg2 Bc3-+) 57...Kd3 58.Bf8 (58.Kg2 c5-+) 58...Bc3 59.Bd6 (59.Kg2 Bd4-+) 59...Bd4 60.Bf4 (60.Kg2 c5-+) 60…c5 0–1. Rosner,Dirk – Myrberg,Johnny, corr TKM/A003, 2000.

10.Qb1 Bg7 A) 11.Nd4 Bd7 12.Qc1 (12.Qb3 0-0 13.e3 Re8 14.Be2 e5 15.N4f3 Bf5 16.0-0 Nbd7 17.c4; 12.Bb2 0-0 13.e3 Na6 14.Be2 Ra8 15.0-0 c5 16.Nc2 Bf5 17.bc5; 12.e3 0-0 13.Be2 Na6 14.0-0 Ra8 15.N2b3 e5 16.Nf3 Qc7 17.Bb2; 12.Qb2 0-0 13.e3 e5 14.N4f3 Re8 15.Be2 Bf5 16.0-0 Nbd7 17.c4) 12...0-0 13.N2f3 Bg4 14.h3 Bf3 15.Nf3 Nbd7 16.g4 Ra8 17.Bg2; B) 11.Bb2 B1) 11...Nbd7 12.h3 (12.e4 Be6 13.Be2 0-0 14.Nd4 Bh6 15.Bc1 Bg4 16.Bg4 Ng4 17.h3; 12.Nd4 0-0 13.Nf5 gf5 14.d4 Ne4 15.Ne4 fe4 16.g3 e5 17.e3) 12...c5 13.e4 Be6 14.e5 Nh5 15.bc5 Nc5 16.d4 Nd7 17.Bc1; B2) 11...0-0 12.e4 (12.h3 Nbd7 13.Nd4 Ra8 14.e3 c5 15.Nf5 gf5 16.bc5 Nc5 17.Ba3) 12...Be6 13.Nd4 Nbd7 14.Be2 Bh6 15.Qc2 Bg4 16.Bg4 Ng4 17.h3; C) 11.Nb3 C1) 11...Bg4 12.Qa2 (12.Bb2 0-0 13.Qa2 Nbd7 14.Qa5 Ne8 15.h3 Bf3 16.ef3 Qa5 17.ba5; 12.h3 Bf3 13.gf3 0-0 14.Qa2 Nbd7 15.Bb2 Ne8 16.Rg1 Nc7 17.d4; 12.Nfd4 Na6 13.h3 Bd7 14.e3 0-0 15.Be2 c5 16.bc5 Nc5 17.0-0) 12...0-0 13.Bb2 Na6 14.Ne5 Ra8 15.Qa5 Qc7 16.Qc7 Nc7 17.Na5; C2) 11...Nbd7 12.Nfd4 (12.Qa2 0-0 13.Nfd4 Ng4 14.h3 Nf2 15.Kf2 e5 16.Qa5 ed4 17.Qb6; 12.Nbd4 Bg4 13.h3 Bf3 14.Nf3 0-0 15.Qa2 e5 16.Nd2 c5 17.bc5; 12.h3 0-0 13.Nbd4 Ra8 14.Nf5 gf5 15.e3 Bh6 16.g4 f4 17.g5) 12...0-0 13.Nf5 gf5 14.Nd4 e6 15.Qa2 Ng4 16.e3 c5 17.bc5; C3) 11...Bd7 12.e3 (12.Qa2 Na6 13.Qa5 Qa5 14.ba5 Ng4 15.d4 0-0 16.e3 Bf5 17.h3; 12.Nc5 Na6 13.Nd7 Nd7 14.g3 0-0 15.Bh3 e6 16.0-0 Ra8 17.Bb2; 12.Qc1 0-0 13.Nbd4 Bg4 14.Qa3 Na6 15.Ne5 Ra8 16.h3 Nc7 17.Qc1; 12.Bb2 0-0 13.e3 Na6 14.Ne5 Bc8 15.Be2 Ne8 16.Nf3 Nd6 17.0-0) 12...Na6 13.Ne5 c5 14.Be2 cb4 15.0-0 0-0 16.Nd4 Rc8 17.Qb3; C4) 11...0-0 12.Nbd4 (12.h3 Nbd7 13.Nbd4 Ra8 14.Bb2 c5 15.Nf5 gf5 16.Qd1 cb4 17.Qb3) 12...Bg4 13.h3 Bf3 14.Nf3 Na6 15.e3 c5 16.Be2 cb4 17.cb4.

10.e3 Bg7 11.Be2 0-0 12.0-0 Re8 13.Nd4 Bd7 14.N4b3 (14.f4 Na6=) 14...Na6 15.d4 Bf5 (15...Ra8 16.Nc5=) 16.Ba6 (16.Nc5!?=) 16...Qa6=+ 17.Nc5 (17.Nf3 Ra8=+) 17...Qb5-/+ 18.f3 (18.e4 de4 19.Re1 e5-/+) 18...b6 19.Ncb3 Qd3 20.Re1 Bh6 21.Kf2 e5 22.Nc1 Qa6 23.Bb2 e4 24.f4 (24.Kg1 ef3 25.Qf3 Ng4-/+) 24...g5 (24...Ra8 25.Kg1-/+) 25.fg5 Bg5 26.Nf1 (26.Kg1 Ra8-/+) 26...Bg4 (26...Bh4 27.g3 Bg5 28.Kg2-/+) 27.Qd2 Bh4 28.g3 Bg5 29.h4 (better is 29.Ne2-/+) 29...Bh4?? (better is 29...Bh6-+) 30.gh4+/- Qc8 (30...Kh8 31.Ne2+/-) 31.Ne2 (31.Ng3 Bf3 32.Rg1 Qh3+/-) 31...Bf3 (31...Be2 32.Qe2 Qh3+/-) 32.Nf4 (better is 32.Ra1!?+/-) 32...Qg4= 33.Nh2 Qh4 34.Kf1 Ng4 35.Ng4 (35.Nf3 ef3 36.Nh3 Qh3 37.Kg1 Qg3 38.Kf1 Nh2 39.Qh2 Qh2 40.Ra1 Qe2 41.Kg1 Qg2) 35...Qh1 36.Kf2 Qh4 ½–½. Skonieczny,Jerzy – Brzoza,Miroslaw, corr 2. AMM Poland, 1994.

10.h3 Bg7 =.

10.c4 Na6 11.b5 Nb4 12.Bc3 e6 13.Nh4 Bg6 14.Ng6 hg6 15.Qa4 cb5 16.Qb5 Qc6 17.Qc6 bc6 18.Nd2 c5 19.cd5 ed5 20.Nf3 Bd6 =.

10.c4 Na6 11.Bc3 dc4 12.dc4 e6 13.b5 Nb4 14.Nd4 Bg6 15.Be2 e5 16.Nf3 Bc2 17.Qc1 e4 18.Nfd2 Bd3 19.Bf6 gf6 20.Nc3 f5 =+.

10.c4 Na6 11.cd5 cd5 12.Bc3 Bd7 13.Qd2 e6 14.Qb2 Be7 15.b5 Nc5 16.Bf6 Bf6 17.d4 Qa5 18.Qc3 Qa2 19.Nfd2 Ne4 20.Qa3 Qa3 =+.

10.c4 Na6 11.Be5 Qd7 12.b5 Nb4 13.c5 cb5 14.Qb3 Nc6 15.Bf6 ef6 16.Qb5 Na7 17.Qb6 Nc6 18.d4 Be7 19.Nc3 Bd8 20.Qb3 Ba5 +/-.

10.c4 Qb6 11.b5 dc4 12.dc4 e6 13.Bf6 gf6 14.Bd3 Bb4 15.Ke2 Bg6 16.Qb3 Qa5 17.bc6 bc6 18.Nbd2 0-0 19.Ne4 f5 20.Ng3 Na6 =.

10.c4 Qb6 11.Nd4 Bg6 12.b5 Nbd7 13.bc6 bc6 14.Nd2 e5 15.N4f3 Qc7 16.Qa4 Ng4 17.Qa8 Ke7 18.Bb2 Ngf6 19.d4 e4 20.Ne5 Ne5 +/-.

10.c4 Qb6 11.Nd4 Bg6 12.b5 Nbd7 13.Nf3 cb5 14.cd5 Nd5 15.Be2 f6 16.d4 Qa5 =+.

10.c4 Qb6 11.cd5 cd5 12.Qa4 Qc6 13.b5 Qc1 14.Qd1 Qd1 15.Kd1 Nbd7 16.Be2 Bg6 17.Kd2 e6 18.Rc1 Nc5 19.Kc2 Bd6 20.Ne5 Ke7 =.

10.c4 dc4 11.dc4 e6 12.Bf6 gf6 13.Qb3 Qb6 14.b5 Qa5 15.Nfd2 Qb4 16.Qb4 Bb4 17.Ke2 Ke7 18.e4 Bg6 19.h4 h5 20.Rh3 Rd8 =.

10.c4 Nbd7 11.Nh4 Bg4 12.f3 Be6 13.f4 dc4 14.dc4 Bg4 15.Qa4 e6 16.h3 Bh5 17.g4 Bg6 18.Ng6 hg6 19.Bg2 g5 20.Qa8 Nb8 +=.

10.c4 Nbd7 11.Nh4 Bg4 12.f3 Be6 13.g3 g5 14.Ng2 Bh3 15.Nd2 e5 16.Qa4 Bg7 =+.

10.c4 Qd8 11.c5 b6 12.Bf6 gf6 13.d4 e5 14.Nbd2 Be6 15.Nb3 e4 16.Nfd2 b5 17.Qc2 Bg7 18.f3 f5 19.Qc3 h5 20.Be2 Qh4 =.

10.c4 Qd8 11.Bf6 ef6 12.c5 Na6 13.Qb3 Be7 14.Be2 b6 15.d4 Nc7 16.Bd3 Bg4 17.Nbd2 b5 18.0-0 0-0 19.Ra1 Re8 20.Qb1 g6 +/-.

10.c4 e6 11.c5 Nbd7 12.Qa4 Be7 13.Qa8 Bd8 14.Nh4 0-0 15.Nf5 ef5 16.Be2 Re8 17.Bd4 f4 18.Qa7 Nf8 19.Qa1 fe3 20.fe3 N6d7 =.

10.c4 e6 11.c5 Nbd7 12.Qa4 Be7 13.Nh4 0-0 14.Nf5 ef5 15.Qa7 Rb8 16.Be2 Qc8 =+.

10.c4 e6 11.Bf6 gf6 12.c5 Na6 13.Qb3 Bg7 14.Be2 0-0 15.0-0 Ra8 16.Nc3 b5 +=.

10.c4 e6 11.Bf6 gf6 12.c5 b6 13.d4 Nd7 14.Nc3 e5 15.Nh4 Be6 16.Be2 Be7 17.0-0 f5 18.Nf3 e4 19.Ne1 Rg8 20.f3 Rg6 +=.

11.Qb3 Nbd7 12.c4 b6 13.Qa4 dc4 14.Qa8 Qd8 15.Qc6 Bb4 16.Qc4 Bd2 =.

11.Qc2 Bd6 12.e4 Bg4 13.Be2 0-0 14.0-0 b5 15.h3 Bh5 16.Bb2 Nbd7 =.

11.c4 Nbd7 12.Bc3 dc4 13.dc4 b6 14.Qa1 Ne4 15.Ne4 Be4 16.Qa8 Nb8 +=.

11.c4 Nbd7 12.Bc3 dc4 13.dc4 Be7 14.Qa1 e4 15.Qa8 Qd8 16.Qd8 Kd8 =.

11.c4 Nbd7 12.Bc3 dc4 13.dc4 Be7 14.Qa1 e4 15.Nd4 Bg6 16.Qa8 Nb8 17.N2b3 0-0 18.Qa7 Rc8 19.Be2 Nbd7 20.0-0 Bd6 21.h3 Bh2 22.Kh1 Be5 23.Rd1 h6 24.Bb2 b6 25.Qc7 Rc7 26.Kg1 c5 27.bc5 bc5 ½–½. Bendig,Frank – Ruhle,Ernst_Olav, corr ICCF TT 6/02/1, 2002.

11.c4 Nfd7 12.Qb3 Be7 13.Be2 0-0 14.0-0 dc4 15.dc4 Rd8 16.Qc3 b6 =.

11.c4 Nfd7 12.c5 Be7 13.e4 Bg4 14.d4 de4 15.Ne4 f5 16.Ng3 Bf6 =.

11.Be2 Nbd7 12.Qa4 Be7 13.0-0 0-0 14.c4 dc4 15.dc4 c5 16.Qa5 b6 =+.

10.Qa4 e5 11.Qa8 Ke7 12.Nbd2 Be6 13.c4 =.

10.Qa4 e5 11.Qa8 Ke7 12.Nbd2 g6 13.Be2 Bg7 14.Qa3 Ne8 (14...Qa6 15.Qa6 ba6 16.c4=) 15.c4 dc4 (15...Nc7 16.b5 c5 17.e4+=) 16.Nc4+= Increases the pressure on e5 16...Qc7 17.d4 e4 18.b5 c5 (18...Ke6 19.d5 Kd5 20.b6+–) 19.Nfd2 b6 (19...Nef6 20.d5 Kf8 21.Bf6 Nf6 22.b6+/-) 20.d5 (20.g4 Be6 21.dc5 Qc5 22.Bg7 Qa3 23.Na3 Ng7 24.Ne4 Bd5=) 20...Ndf6 21.Be5 (21.g4 Bd7+= (21...Bg4? 22.Bf6 Bf6 23.Bg4+–)) 21...Qb7 (21...Qd8 22.Qa7 Kf8 23.Nb6+– (< 23.Qb6 Qd5 24.f3 h6+/-)) 22.d6 White fights for the Initiative 22...Kd7 23.0-0 Nh5 (better is 23...h6!?+/-) 24.g4+– Be6 (24...f6 25.Bc3 Be6 26.gh5 Nd6 27.h6 Bh6 28.Rd1+–) 25.gh5 Be5 26.Ne5 Kd6 27.Qc3 f6 28.Nc6 gh5 (28...Bd5 29.Rd1 Bc6 30.Ne4 Ke6 31.Bc4 Kf5 32.Nd6 (32.bc6 Qc6 33.Rd5 Kg4+–) 32...Nd6 33.Rd6+– (< 33.bc6 Qc6 34.Rd5 Qd5 35.Bd5 Re8+–)) 29.Ne4 Kc7 30.Nf6 Kc8 (30...Nf6 31.Qe5 Kc8 32.Qe6 Qd7 33.Qf6+–) 31.Qe5 Qg7 32.Kh1 Nc7 33.Ra1 Rf8 34.Ra8! (34...Kb7 35.Ra7 Kc8 36.Qd6 Bd5 37.Nd5 Qg1 38.Kg1 Rg8 39.Kf1 Rg1 40.Kg1 Nd5 41.Qe6) 1–0. Brinck,Benny – Thystrup,Preben, corr ICCF TT2–86, 1991.

10.Qa4 e5 11.Qa8 Ke7 12.Be2 =+.

10.Nd4 Bg4 11.Be2 Be2 12.Qe2 e5 13.Nf3 Bd6 14.d4 (14.Bb2 0-0-/+) 14...0-0-+ 15.Ne5 Ne5 16.de5 Be5 17.0-0 Ra8 18.Bb2 Ra2 19.f4 (better 19.Rc1-+) 19...Bb8 20.Na3 (20.g3 Ba7 21.Re1 Qe3 22.Qe3 Be3 23.Re3 Rb2-+) 20...Ne4 21.Qc2 (21.g3-+) 21...Qe3 22.Kh1 Ba7 23.g3 (23.c4 Nf2 24.Qf2 Qf2 25.Rf2 Bf2 26.cd5 Rb2 27.g3 cd5 28.Nb5-+) 23...Rb2! 24.Qb2 (24.Qb2 Qd2 Double attack (24...Qd2 Decoy)) 24...Nd2 25.Nc2 Qe4 (25...Qe4 26.Rf3 Qf3) 0–1. imreallylousy – marekt, net–chess.com, 2019.

10.Be2 e5+= 11.Nbd2 Bd6 12.Qc2 (12.e4 Bg4+= (worse is 12...de4 13.de4 Be6 14.Ng5+/-)) 12...e4 (12...0-0 13.0-0+=) 13.Nh4 (13.de4!? Be4 14.Ne4 Ne4 15.0-0=) 13...ed3-/+ 14.Bd3 Bd3 15.Qd3 Ne5 16.Qc2 (better is 16.Qf5!?+=) 16...Qa6-+ 17.Nb3? (better is 17.Qb1 Nd3 18.Kf1-+) 17...Nd3 18.Kd1 (18.Kf1 Nc5 19.Qe2 Qe2 20.Ke2 Nb3-+) 18...Ng4 19.Rf1 (19.b5 Ngf2 20.Kd2 Qb5-+) 19...Ndf2 20.Kd2 (20.Ke1 Qf1!! 21.Kf1 Ne3 22.Kf2 Nc2 23.Bb2-+) 20…Qf1 (20...Qf1 21.Nf5 Ne4 22.Qe4 de4 23.Nd6 Ke7 24.Nb7 Qd3 25.Ke1 Qe3 26.Kd1 Qg1 27.Kd2 Qg2 28.Kc1 Qg1 29.Kb2 Qh2 30.Ka3 e3-+) 0–1. Diviak,Rastislav – Kalata,Peter (2240), SVK–ch U18 Slovakia, 2003.

10.Be2 e5 11.d4 ed4 12.ed4 Bd6 13.0-0 0-0 14.Re1 Qa7 15.Qb3 Re8 16.h3 Re2 17.Re2 Qa1 18.Re1 Qa8 19.Ne5 Ne5 (better is 19...Be5!? 20.de5 Qe8-+) 20.de5-/+ Qe8 21.Qd1 Be5 22.f4 Nd7 (22...Bf4 23.g3) 23.fe5 Ne5 24.Qe2 f6 25.Nd2 Qb8 26.c4 (26.Qf2!? Qc8 27.Qg3=+) 26...Bd3 27.Qe3 dc4 28.Qd4 b5 29.Kf2 (29.Qe3 Bg6-+) 29...h6 30.g4 (30.Nf3-+) 30...Qf8 31.h4?! (31.Qc5 Bc2 32.Qf8 Kf8 33.Ra1 Nd3 34.Ke3 Nb4 35.Kd4-+) 31...Qb4 32.Nf1 (32.Rd1 Qe7-+) 32...c5 (better is 32...Qe1! 33.Ke1 Nf3 34.Kf2 Nd4-+) 33.Qd5 Kh8 34.Qd8 Kh7 35.Re5 (35.Qc8 c3 36.Kg2 c2 37.Re5 fe5-+) 35...fe5 36.Ne3 (36.Ng3 Qd2 37.Kg1-+) 36...Qd2 37.Kf3 Be4! (38.Ke4 Qd8-+) 0–1. Rempe,Torge – Diederich,Hauke, Schleswig Holstein–chA U16, 2000.

10.Be2 e6 11.0-0 Bd6 12.Nbd2 0-0 13.Nh4 Bg6 14.Ng6 fg6 15.Bg4 Re8 16.Bb2 Ng4 17.Qg4 Ne5 18.Qe2 Ra8 19.d4 Nd7 20.Ra1 Ra1 21.Ba1 Qa7 22.Qd1 b6 23.Nb3 e5 24.Qb1 (24.e4 de4 25.Nd2 ed4 26.Ne4 Be7=+) 24...ed4 25.ed4 Nf6 26.f3 c5 27.bc5 bc5 28.dc5 Bc5 29.Nc5 Qc5 30.Kh1 Kf7 31.Qb4 Qe3 32.Qb1 Qe7 33.Qc1 Qc7 ½–½. hal1958 – valpa, HCL–B2125 playchess.de, 2003.

11.Qa7 Qc8 12.Nbd2 e5 13.Be2 Be7 14.0-0 0-0 15.Bb2 Qc7 16.Rc1 Bd6 17.h3 Nb6 18.Qa2 e4 19.de4 Ne4 20.Ne4 Be4 21.Nd2 Bf5 22.Ra1 Re8 (22...Ra8 23.Qb3 Ra1 24.Ba1+=) 23.Qb3= Qe7 24.Qd1 Bb8 25.Bg4 Bd3 26.Be2 Be2 27.Qe2 Qe5 28.Qf3 f5 29.g3 Qe6 30.Kh2 (30.h4 Nd7+=) 30...Nd7 (30...Qg6 31.c4 dc4 32.Rc1+=) 31.Bc1 Nf6 32.Bb2 Ne4 33.Nb3 Qh6 34.Qg2 (34.Qf5?? Rf8 35.Qf8 Kf8-+) 34...Qh5 35.Nd4 Be5 36.Nf3 Bf6 37.Ra7 b6 38.Ra6 Rb8 39.Ra2 h6 (39...Nc3?! 40.Bc3 Bc3 41.Rc2 Bb4 42.Ne5=; 39...Bc3?! 40.Bc3 Nc3 41.Rc2=) 40.Ba1 c5 (40...Nc3?! 41.Rc2 Ne4 42.Bf6 Nf6 43.Rc6=) 41.Ra7 Kh7 (41...Nc3?! 42.Bc3 Bc3 43.Ne5 cb4 44.Qd5 Kh7 45.Rc7=) 42.Ra6 Qe8 (42...Nc3 43.bc5 bc5 44.Rf6 gf6 45.Bc3+/-) 43.Qf1 Ra8 (worse is 43...Nc3 44.bc5 Qc6 45.Bc3 Bc3 46.Rb6 Rb6 47.cb6 Qb6 48.Qd3+/-; 43...Bc3?! 44.Bc3 Nc3 45.Qd3-/+) 44.Kg2 g6 (44...Nc3 45.bc5 Ra6 46.Qa6 bc5 47.Bc3 Bc3 48.Qd3+/-) ½–½. Boehnke,Hartmut (1985) – Koch,Hans Georg (2230), GER–ch37 V8 email, 2005.

11.Qa7= Qc8 12.Nh4 Bg6 13.Ng6 hg6 14.c4 ½–½. Kellerer,Horst – Mrkvicka,Josef, CiF, 2004.

11.Bb2 Nb6 12.Qa7 Qa8 (12...Qc7 13.c4=) 13.Qa8 (better is 13.Qb6!? Qa2 14.Nfd2 Qb2 15.Qb7 Qc1 16.Ke2+–) 13...Na8+= 14.Nbd2 e6 15.Nd4 Bg6 16.Be2 Nc7 17.0-0 Be7 18.Ra1 Kd7 19.f4 h6 20.N2f3 Ng4 21.Ne5 (21.Bc1!? Kd6 22.h3+/-) 21...Ne5= 22.fe5 Ra8 23.Nc2 (23.Ra8 Na8 24.Kf2 b6=) 23...Ra1=+ 24.Ba1 f6 25.ef6 Bf6 26.Ne1 Nb5 27.d4 Nd6 28.Nd3 Ke7 29.Nf4 Be4 30.Bf3 ½–½. Hasler,Ulrich – Woelfelschneider,Peter, CiF, 1989.

11.Be2 e5 12.0-0 =.

11.Be2 e6 12.0-0 Bd6 13.Nbd2 0-0 14.Bb2 Qc7 (14...b5 15.Qa6 Qc7 16.Ra1=) 15.g3 (15.Ra1!?=) 15...b5 16.Qc2 Ra8 17.e4 Bg4 18.ed5 (18.d4 de4 19.Ne4 Bf5-/+) 18...cd5 19.Nd4 Be2 20.Ne2 Bb4 21.Qb3 (21.Nd4 Ra2-/+) 21...Bc5-+ 22.Qc2 (22.Nf3 Qc6-+) 22...Qb6 (22...e5 23.Qb3-+) 23.d4 Bd6 24.Rb1 Qc6 25.Qd3 Nb6 26.Ra1 (26.Bc1 Ra5-+) 26...Nc4 27.Ra8 Qa8 Black is in command 28.Nc4 dc4 29.Qc2 (29.Qd2 Qe4-+) 29...Qf3 30.Qd2 Ng4 Threatening mate: Qxf2 31.Qe1 h5 (31...b4 32.h3 bc3 33.Nc3-+) 32.Qf1 (32.h3 Nf6-+) 32...h4 33.Qe1 b4 34.cb4 Bb4! 35.Qf1 (35.Qb4 A deflection 35...Qf2 Demolishes the pawn shield) 35...Bd2 36.Nc1?? (36.Bc1 Bc1 37.Nc1-+) 36...h3! 37.Ne2 Be1!? (38.d5 Bf2 39.Qf2 Qf2 40.Kh1 Qh2) 0–1. Hasler,Ulrich – Feilmayr,Erwin, corr SOK–90–65, 1990.

11.Nh4 Bg4 12.h3 Bh5 13.g4 Bg6 14.f4 h6 (14...e6 15.Qa7 b6 16.Qa4=) 15.Ng6 fg6 16.Bg2 (16.Qa7 Qc8+=) 16...e5= 17.fe5 Ne5 18.Ke2 Bd6 19.Nd2 (19.c4 dc4 20.dc4 0-0=) 19...0-0+= 20.Rf1 ½–½. turtlemania (1690) – eleu (1665), gameknot.com, 2011.

10.Nd4 Bg6-/+ 11.Na3 (11.Nd2 Nbd7-/+) 11...Bb4! 12.Nb1 (12.cb4 Qb4 Double attack (12...c5 Decoy)) 12...Bd6-+ 13.Nd2 Nbd7 14.Be2 0-0 15.0-0 Ra8 16.Qb3 (16.c4 Nc5-+) 16...Qa6 (16...Qb3 17.N4b3 Ra2 18.Rd1-+) 17.Bb2 (17.c4-+) 17...Nc5 18.Qc2 (18.Qb4 Bd3 19.Ra1 Qa1 (19...Be2?! 20.Ra6 Ba6 21.N4b3-+) 20.Ba1 Ra1 21.Nf1 Nfe4-+) 18...Bd3 19.Bd3 Qd3 (19...Nd3?! 20.Ra1 Qa1 21.Ba1 Ra1 22.Nb1-+) 20.Qc1 (20.Ra1 Ra1 21.Ba1-+) 20...Ra2 21.Rd1 (21.N4f3 Qa6 22.Ba1 Nd3-+) 21...Qa6 22.g3 (22.Qc2 Nd3 23.Rb1-+) 22…Nd3 0–1. imreallylousy – pcmvr, net–chess.com, 2019.

10.Be2 Qa6 11.Bb2 h6 (11...Bd6 12.e4 Qa2 13.ef5 Qb2 14.fe6 fe6 15.0-0=) 12.0-0 Nbd7 (better 12...Bd6=) 13.Nbd2 (better 13.Qc2!?+=) 13...Bd3-/+ 14.Bd3 Qd3 15.Qa1 (15.Qa4 e5-/+) 15...Qa6 16.Nb3 Be7 (16...Bd6 17.Qa6 ba6 18.Ra1-/+) 17.Qa6 ba6 18.Ra1 (18.Nbd4 Nb8=+) 18...Nb8 19.Ba3 (19.Ra5 Ne4-/+) 19...Nfd7 (19...Ne4 20.Bb2-/+) 20.Nfd4 (20.Kf1 e5-/+) 20...e5 21.Nf5 Bf6 (21...g6 22.Ne7 Ke7 23.Kf1-/+) 22.Nd6 (22.e4 g6 23.Nd6 Kf8=+) 22...Ke7-/+ 23.b5 (23.Nb7 Ke8-/+) 23...Ke6 (23...cb5?! 24.Nb5 Kd8 25.Nd6=+) 24.bc6 (24.f4 ef4 (24...cb5?! 25.f5 Ke7 26.Nb5 Kd8 27.Nd6=; worse 24...ab5 25.f5 Ke7 26.Nb5 Ke8 27.Nd6 Kf8 28.Bb4=+) 25.ef4 Bc3 26.f5 Kf6-/+) 24...Nc6-+ 25.Nb7 (25.e4 Rb8 26.ed5 Kd5-+) 25...Ra8 (25...e4 26.Bb2 Rb8 27.N3c5 Nc5 28.Nc5 Kf5 29.Ra2-+) 26.N3c5-/+ Nc5 27.Nc5 Kf5 28.Nd7 (28.Rd1 d4-/+) 28...Be7 (28...Rd8!? 29.Nc5 a5-+) 29.Nb6-/+ Rb8 30.Be7 (30.Nd7 Rb3 31.Be7 Ne7 32.g4 Kg4 33.Ne5 Kh3 34.Nf7 Rc3-/+) 30...Ne7 (better 30...Rb6 31.Bc5 Rb5-+) 31.Ra6=+ Nc8 (31...Ke4 32.h4=+) 32.g4= Kg4 33.Nd5 Kf3 (33...Rb5 34.Nb4=) 34.Nb4 Rb6 35.Ra8 (better 35.Kf1!?=) 35...Rd6-/+ 36.Ra1 Rd2 37.h4 e4 (37...Nd6 38.Ra5-/+) 38.Nc6 (38.c4 Rf2 39.Nc6 Rd2-+) 38...Rd5 (38...Rf2!? 39.Nd4 Kg3-+) 39.Nd4 (39.Ra8 Rd1 40.Kh2 Nd6-/+ (worse 40...Kf2 41.Rc8 Rg1 42.Rd8=)) 39...Kg4 40.Ra4 (40.f4 ef3 41.Kf2 Kh4 42.Nf3 Kh5-/+) 40...Kh4 41.Ne2 (41.Ne2 Rd1 42.Kg2-/+; 41.c4 Rc5 42.Nb3 Rg5 43.Kf1 Nb6-/+). Stabenow,Juergen – Suess,Stefan, corr SOK–87–12, 1987.

10.Be2 c5 11.bc5 Bc5 12.0-0 (12.Nbd2 Nc6=) 12...0-0 (12...Nc6 13.c4 dc4 14.d4=) 13.Nh4 Nc6 14.c4 (14.Nf5 ef5 15.Nd2 Ra8=) 14...d4 15.e4 Bg6 16.Nd2 (16.Ng6 fg6 17.Nd2 Bb4=) 16...Ra8 (16...Bb4 17.Ng6 fg6 18.f4=) 17.Ng6 hg6 18.Qc2 Nb4 19.Qb3 Nd7 (19...Nh5 20.Rb1=) 20.Bb2 e5 (20...Nc6 21.Rb1=) 21.Ra1 (21.f4 Qe6+=) 21...Ra1= 22.Ba1 Be7 (22...Qa5 23.Bb2+=) 23.Nf3 Nc5 (23...Nc6 24.Qc2=) 24.Qb1 Bd6 25.Qd1 Qa5 26.Bb2 Qa2 27.Bc1 Qa1 28.Ne1 Ncd3 29.Nd3 (29.Qd3 Nd3 A double attack) 29...Nd3 30.Bd3 Ba3 31.g3 (31.Qb3 Qc1 32.Bf1 Qb2+=) 31...Qc1 (31...Bc1 32.h3-/+) 32.Qc1+= Bc1 33.Kf1 Kf8 34.Ke2 Ke7 35.Kd1 Ba3 36.Kc2 g5 37.f3 Ke6 (37...Kd6 38.Kb3 Bc5 39.h3-/+) 38.Bf1 g6 39.Kd3 Kd6 40.Be2 (40.Bh3 Kc6-/+) 40...Bc1 (40...Kc5 41.Bf1-/+) 41.h3 (41.Bd1 f5-/+) ½–½. Reuter,Alfred – Widegren,Johnny, IECC, 2000.

10.Be2 Nbd7 11.0-0 Bd6 12.Nbd2 0-0 13.Qa4 Qc7 14.c4 e5 15.g3 (15.c5 Be7=) 15...dc4 16.dc4 (16.Nc4?? b5 17.Qa5 bc4 18.dc4 Qb7-+) 16...c5 17.b5 Nb6 18.Qb3 Ra8 19.Bd3 (19.Nh4 Be6=) 19...Bd3 (19...e4!? 20.Bc2 Bh3 (worse is 20...ef3 21.Bf5 Be5 22.Bc3+/-) 21.Bf6 Bf1 (worse is 21...gf6 22.Ne4 Be7 23.Rd1+/-) 22.Be4 Be2+=) 20.Qd3= Qe7 21.Rd1 (21.e4 g6=) 21...e4 22.Bf6 ed3 23.Be7 Be7 24.Ne5 Rd8 25.f4 f6 26.Nef3 Ra8 27.e4 Ra3 28.Rc1 Kf7 29.Kf2 Ke6 30.Ke3 Na4 31.Ne1 Bd8 32.Rb1 (32.Nd3? Nb2 33.Rb1 Nd3-+) 32...Ba5 33.Nd3 Nc3?? (better is 33...Bd2 34.Kd2 Ra2 35.Ke3 Ra3=) 34.Rb3 (better is 34.Nc5!? Ke7 35.Rb3 Bb6 36.Ra3 Bc5 37.Kd3 Ba3 38.Kc3 Bc5+–) 34...Nd1 35.Ke2 Nc3 36.Kf3 Rb3?? (better is 36...Bb4 37.Ra3 Ba3 38.f5 Kd6 39.e5 fe5 40.Ne4 Ne4 41.Ke4 Bb4+–) 37.Nc5 1–0. Cardona Cervera (2035) – Andres Julia (2065), La Pobla de Vallbona op, 2004.

10.Be2 Nbd7 11.0-0 Bd6 12.Nbd2 0-0 13.h3 h6 14.Qc2 Bh7 (14...e5 15.Rb1=) 15.Rb1 Ra8 16.c4 Bb4 17.Bc3 c5 18.Bb4 cb4 19.Qb2 Nc5 20.Ne5 Qc7 (20...Qa5 21.Bf1=+) 21.Ra1= Ra1 22.Qa1 Na6 23.d4 Nd7 (23...dc4 24.Bc4 Bf5 25.Qa4=) 24.Nd7 (24.Qa4 Nab8+=) 24...Qd7= 25.c5 Qc6 (25...Bc2 26.Ba6 ba6 27.Qa6+=) 26.Ba6 ba6 (26...Qa6?? 27.Qa6 ba6 28.c6+–) 27.Qa5 e5?? (better is 27...Bd3 28.Qb4 Qb5=) 28.Qd8 (28...Qe8 29.Qe8) 1–0. Eralos (1810) – SKGiessen (1825), Partida evaluada, 5m + 3s, 2006.

10.Be2 Nbd7 11.0-0 Bd6 12.Nbd2 0-0 13.Nh4 Bg6 14.Ng6 hg6 15.Nf3 Ra8 16.d4 (16.Qc2!?=) 16...Ra2=+ 17.Bd3 Qa7 18.Bc2 Qa3 19.Nd2 e5 20.Qc1 (better 20.Nb3!? Bc7 21.Nc5 Nc5 22.bc5=+) 20...Qc1 21.Rc1 ed4 22.ed4?? (better 22.cd4 Bb4 23.Nf3-+) 22…Bf4 0–1. zvujovic – marekt, net–chess.com, 2019.

10.Be2 Be7 11.0-0 h6 12.Nd4 Bh7 13.Nd2 0-0 14.N2f3 Nbd7 15.Qa4 e5 16.Nb3 Bd6 17.Bb2 Qc7 18.Ra1 e4 19.Ne1 Bh2 20.Kh1 ed3 21.Nd3 Bd3 22.Bd3 Ng4 23.Rf1 Bg1 0–1. Trokenheim – Miquel, itsyourturn.com, 2000.

10.Be2 Be7 11.Nh4 Bg6 12.Nd2 Nbd7 13.Ng6 hg6 14.Qa4 Qc7 15.e4 de4 16.de4 0-0 17.Bb2 b5 18.Qc2 Ra8 19.0-0 Ne5 20.Rd1 Neg4 21.Nf3 Qb6 22.Bd3 c5 23.h3 c4 24.Bf1 Nh6 25.Bc1 Kf8 26.g4 Nhg8 27.g5 Nh5 28.Be3 Qc7 29.e5 Bd8 30.Qe4 Rc8 31.Bc5 Be7 32.Be7 Ne7 33.Bg2 Nd5 34.Rc1 Nhf4 35.Bf1 Qa7 36.Nd4 Qa3 37.Qc2 Nd3 38.Bd3 cd3 39.Qb1 Nc3 40.Qa1 Qa1 41.Ra1 d2 42.Kg2 d1Q 43.Rd1 Nd1 44.Nb5 Rb8 45.Nd6 Rb4 46.Kg3 Rb3 47.Kg4 0–1. Adamkosh (1960) – VVV_31 (2220), lichess.org, 2020.

10.Be2 h6 11.Nbd2 Nbd7 12.Qa4 Be7 13.0-0 0-0 14.Bb2 e5 15.Ra1 Bd6 16.Qa5 Re8 (16...Qa5 17.Ra5 b6 18.Ra7=) 17.Nb3 Re7 18.Qb6 Nb6 19.h3 e4 (19...Bd3 20.Bd3 e4 21.Be2 ef3 22.gf3=) 20.de4 Ne4 21.Nbd4 Bh7 22.g4 g5 (22...Kf8 23.Bd3=) 23.h4 f6 24.hg5 fg5 25.Nb3 Nf6 (25...Nc4 26.Bc4 dc4 27.Ra8 Kg7 28.Nbd2=+) 26.Nfd2= Nbd7 27.Ra8 Kf7 28.Nd4 (28.Rd8 Bc7 29.Rh8 Kg7=) 28...Ne5=+ 29.Nf5 Bf5 30.gf5 g4 31.b5 g3 32.fg3 Neg4 33.bc6 Ne3 34.cb7 Rb7 35.Ba3 Ba3 36.Ra3 Nf5 37.Nf1 Nd6 38.Bd3 Ng4 39.Be2 Ne5 40.Ra6 (40.Ra5 Ke6-/+) 40...Ne4 41.Rh6 ½–½. Steinmann,Joachim – Calhau,Eduardo JG, EM/M/A108 ICCF Email, 2000.

11.0-0 Qc7 12.Nbd2 =.

11.0-0 Nbd7 12.Nh4 Bg6 13.Nd2 Qc7 14.g3 0-0 15.Ng6 hg6 16.Qb3 b5 17.c4 bc4 18.dc4 Rb8 19.Bc3 Bb4 20.Bb4 (20.Qb4 Rb4) 20...c5 21.cd5 ed5 22.Bf3 Rb4 23.Qa2 Qe5 24.Qa1 Qb2 25.Qb2 Rb2 26.Rd1 c4 27.Nb1 Ne5 28.Bg2 Neg4 29.Nc3 Nf2 30.Rf1 N2g4 31.Re1 Rc2 32.Nd5 c3 (32...Rg2 33.Kg2 Nd5 34.e4-+) 33.Nb4? (better is 33.e4-+) 33...Rb2 34.Nd3 Rd2 35.Bf1 (35.Nb4 c2 36.e4 Nd7-+) 35...c2 (35...Rh2?! 36.Bg2-+) 36.Rc1 Ne4 37.Nb4 (37.Ne1 Rd1 (< 37...Ne3 38.Nc2 Nc2 39.Bd3 Rd3 40.Rc2-+) 38.Rc2 Re1-+) 37...Ng5 38.Rc2 Nf3 39.Kh1 Nf2 40.Kg2 Ne1 (41.Kg1 Nc2 (< 41...Rc2 42.Nc2 Nh3 43.Bh3 Nc2 44.Kf2+=) 42.Nc2 Rc2-+) 0–1. hal1958 – Rolly, ACL–T055 playchess.de, 2003.

11.0-0 e5 12.Nbd2 (12.c4 dc4 13.dc4 Bb4 14.Ne5 0-0=) 12...Nbd7 13.Qc2 (13.e4 Bg4= (worse 13...de4 14.de4 Be6 15.Ng5+–)) 13...0-0=+ 14.Rd1 (14.Rb1 e4 15.de4 Ne4=) 14...Ra8 15.e4 (15.Bb2 Be6=+) 15...Ng4-/+ 16.d4 de4 (16...ed4 17.Nd4 Bh2 18.Kf1-/+) 17.Ne4=+ ed4 18.Bd3 Be4 (18...Nde5 19.Nd4 Nd3 20.Nf5 Bh2 21.Kf1=) 19.Be4=+ Ndf6 20.h3 (20.c4 Qb4 21.Bd4 Bc5-/+ (21...Ne4?! 22.Qe4 Nh6 23.Be3=)) 20...Nf2 (20...Ne4 21.Qe4 Nf2 22.Kf2 dc3 23.Kf1 Bb4 24.Rb1-/+) 21.Bh7=+ Nh7 22.Qf2 c5 (22...Nf6 23.Nd4 Be5 24.Qe1=+) 23.bc5= Qb3 (23...Qc5 24.Nd4 Nf6 25.Qf5=+) 24.Qe1 (24.Qf1 Bc5 25.cd4 Bd6=) 24...Bc5 25.cd4 Bb4 26.Qe2 (26.Qf1 Nf6=) 26...Ra2=+ 27.Qf1? (better 27.Qe8!? Nf8 28.Rf1=+) 27...Qe3-+ 28.Kh1 (28.Kh2 Rf2 29.Qd3 Bd6 30.Ne5 Qd3 31.Rd3 Ra2-+) 28...Rf2 29.Qb5 Bd6 (better 29...Rf3!? 30.Qb4 Rh3 31.gh3 Qh3 32.Kg1 Qg4 33.Kf2 Qd1-+) 30.Rf1 (30.Ne5 Qe4 31.Qe8 Bf8=+) 30...Nf6 (30...Rf1!? 31.Qf1 Ng5=+) 31.Rf2= Qf2 32.d5 Nh5 Threatening mate... how? 33.Be5 Ng3 (33...Be5 34.Qe8 Kh7 35.Qe5 (35.Ne5?? Nf4 36.Qh8 Kh8 37.Nf7 Kg8 38.Nh6 gh6 39.d6 Qg2) 35...Ng3 36.Kh2 Nf1 37.Kh1=) 34.Bg3 Bg3 35.Qb7 Qf1 36.Ng1 g6 37.Qc8 Kh7 The mate threat is Bf2 38.Qe8 Kg7 39.Qe2 Qc1 40.Qf3 (40.Qe7 Bf2 41.Qe5 Kh7=+) 40...Qe1+= 41.Qe2 ½–½. Nebe,Lutz – Bunk,K, corr, 1988.

11.Nbd2 Nbd7 12.Nh4 Bg6 13.Ng6 hg6 14.Qa4 Ke7 (14...Bh2? 15.Nf1+–) 15.Nf3 Qc7 16.b5 (16.c4 b5 17.Qa3 bc4 18.dc4 dc4+=) 16...Nb6 17.Qb3 Ra8 18.0-0 Ra3 19.Qb1 e5 (19...g5!? 20.h3 g4 21.hg4 Ng4=) 20.c4+= e4 (20...cb5 21.cd5 Nbd5 22.Rc1+= (worse is 22.Qb5 Ra2+=)) 21.de4+/- de4 (21...Ra1!? 22.Qa1 de4+/-) 22.Bf6+– gf6 23.Qe4 Kd7 24.Qd4 cb5 25.Qf6 bc4 (25...Ke8 26.c5! Bh2 27.Nh2 Qc5 28.Qh8 Ke7 29.Qh4 Ke8+–) 26.Rd1 Kc6 27.Nd4 Kc5 28.Rb1 Ra5 ½–½. Mosley,Gene – Kleine,Joachim, DESC, 2005.

11.Nbd2 Nbd7 12.Nh4 Bg6 13.Ng6 hg6 14.Nf3 Qc7 h2 becomes the focus of attention 15.g3 (15.Bb2 e5=) 15...Ng4 (15...e5 16.Qa4=) 16.Qc1 (16.h3 e5=) 16...Nb6 (16...e5=) 17.Nd4 (17.Qd2!?=) 17...Nh2-/+ 18.Kd2 e5 19.Nc2 (19.Qg1!? ed4 20.ed4=) 19...Qc8 20.Qg1 Qh3 21.Kc1 (21.Ke1 g5=+) 21...Na4 (21...Bc7 22.Kd1=+) 22.Ne1 (22.Kd1 b5=+) 22...Rh6 (22...e4 23.Kd1-/+) 23.Kc2 Kf8 24.Kb3 Nb6 25.Bb2 e4 26.de4 de4 27.c4 c5 28.bc5 Bc5 29.Nc2 Kg8 30.Qa1 Bf8 31.Qa7 Nd7-+ 32.Bd4 Qg2 33.Ra1 Qf2 34.Qb7 Qe2 35.Qd7 Nf1 36.Bc3 Rh2 37.Qd1 Ne3 38.Qe2 Re2 39.Ne3 Re3 40.Ra8 Rg3 41.c5 e3 42.c6 e2 43.Re8 e1Q Threatening mate: Rxc3 44.Re1 Bd6 45.Kc4 Rg5 46.Bb4 =. Mroz,Antoni – Kowalczyk,J, corr ICCF cp, 1994.

11.Nh4 Bg6 12.Nd2 Nbd7 13.Ng6 hg6 14.Bb2 c5 15.Qa1 cb4 (15...Bh2? 16.Qa8 Qd8 17.Qd8 (worse is 17.Qb7 Rh6+/-) 17...Kd8 18.Nf1+–; worse is 15...Rh2 16.Rh2 Bh2 17.g3+=) 16.c4 Qa6 (worse is 16...Bh2 17.Nf1 Qa6 18.cd5 Nd5 19.Bg7+–; 16...Rh2?! 17.Rh2 Bh2 18.g3=) 17.Qb1 0-0 (17...dc4 18.Nc4 b3 19.Nd6 Qd6 20.Qa1=) 18.0-0= Ra8 19.Rc1 Nc5 20.cd5 Nd5 21.e4 (21.Nc4 Na4=) 21...Nf4 22.Bf1 Na4 23.g3 Nb2 24.Qb2 Nh5 (worse is 24...Nd3 25.Qb1+–) 25.e5 Bf8 26.Nb3 Qa2 27.Rc2 Qb2 28.Rb2 g5 29.d4 f5 (29...Be7 30.Be2 g6 31.Bf3=) 30.h3 g6 31.Bg2 Ra7 32.Kf1 Kf7 33.Ke2 b6 34.Kd3 Rc7 35.Rc2 Rc2 36.Kc2 Ng7 37.Kd3 Ke7 38.Kc4 Kd7 39.Nc1 Ne8 40.Nd3 Nc7 41.Nb4 Be7 42.Bc6 Kd8 43.Na2 Ba3 44.Kb3 Bf8 45.Ka4 Be7 46.Nc1 Kc8 47.Nd3 Bf8 48.Ne1 Be7 49.Nc2 Bf8 50.Ne3 Kd8 51.Nc4 b5 52.Bb5 Nd5 53.Nd2 Nc3 54.Ka5 Ba3 55.Nb3 Ne4 56.f3 Ng3 57.Nc5 Ke7 58.Bc4 Bb2 59.Ne6 f4 60.Kb5 Nf5 61.Kc5 Ba3 62.Kc6 Bb2 63.Ng5 Ne3 64.d5 Nc4 65.d6 Kf8 66.e6 Ba3 67.e7 Ke8 68.d7 Ke7 69.Nf7! Na5 (69...Kf7 70.d8Q Combination) 70.Kc7 Nb7 71.Ne5 Bd6 72.Kb7 Kd8 73.Ng6 Kd7 74.Kb6 Ke6 75.Kc6 Bb8 76.Kc5 Kf5 77.Nh4 Ke5 78.Ng2 Kf5 79.Kd5 ½–½. Woelfelschneider,Peter (2045) – Amann,Klaus (1875), CFriend SI–2004–0-00022 email, 2004.

12.Nbd2 Qc7 13.Qc2 =.

12.Nbd2 e5 13.c4 Qb4 14.Be5 Be5 15.Ne5 dc4 16.Ndc4 =.

12.Nh4 Qc7 13.f4 =.

13.Qb3 Ra8+= 14.Bb2 h6 15.d4 (15.Qc2 e5+=) 15...Ne4 16.Ne4 Be4 17.Nd2 Bg6 (17...Bf5 18.Ra1 Ra1 19.Ba1+=) 18.f4 Nf6 19.b5 (19.Ra1 Ra1 20.Ba1 Bf5+=) 19...cb5 (19...Ne4 20.Ne4 Be4 21.Rc1+=) 20.Bb5 Ng4 21.Rf3 (21.c4 Ne3 22.Qe3 dc4-/+) 21...Qa5 22.h3 Nf6 23.Rf1 Bc2 24.Qc2 Qb5 25.c4 dc4 26.Rb1 c3 27.Qc3 Qe2 28.Nf1 Ne4 (28...Nd5 29.Qb3-/+) 29.Qb3 b5 30.Qd1 Qf2 31.Kh1 Rc8 32.Qf3 Qf3-+ 33.gf3 Nf2 34.Kg2 Rc2 35.Ba1 Nd3 36.Kg1 Nc1 37.Ng3 b4 38.Ne4 Be7 39.Kf1 Nd3 40.Rd1 f5 41.Ng3 Nf2 (41...Nf2 42.Rb1 Nh3-+) 0–1. Milde,Lars (2205) – Bonetti,Shane (1790), TT–08.33 ETC, 2004.

13.Nh4 Bg6 14.Ng6 fg6 15.Nf3 =.

14.f4 Qb6 15.d4 (15.Nf5 ef5 16.Rf3 Re8=) 15...Ne4 (15...Be4 16.g4=) 16.Ne4 (16.Nf5 ef5 17.Ne4 fe4=+) 16...Be4=+ (< 16...de4 17.g4 Be7 18.Ng2+– (18.gf5?! Bh4 19.fe6 fe6+/-; 18.Nf5?! ef5 19.gf5 Nf6+=)) 17.Bd3 (17.Nf3 Ra8=+) 17...Bd3 18.Qd3 f5 (18...Ra8 19.Nf3-/+) 19.Bb2 Ra8 20.Ra1 Ra1 Black terminates the opponent with strong threats 21.Ba1 Qa7 22.Bb2 Qa2 23.Bc1 Nf6 24.Nf3 Ne4 25.Nd2 (25.Bd2!?-/+) 25…Qa1-+ (26.Nb3 Qc3 27.Qc3 Nc3-+) 0–1. Nicklich,Wolfgang – Hochgraefe,M, corr Thema, 1991.

14.Nf5 ef5 15.Nf3 Ra8 =.

14.h3 Ra8 15.Ndf3 Ra2 =.

14.h3 Ra8 15.Nf5 ef5 16.Qb3 b5 17.c4 bc4 18.dc4 f4 19.c5 Be5 20.Be5 Qe5 21.Nf3 Qb8 22.Nd4 White plans b5 22...fe3 23.fe3 Qb7 24.b5 Nc5 25.Qc2 Qe7 26.Nf5 Qa7 27.bc6 Rc8 28.Nd4 Ne6 29.Rb1 Nd4-/+ 30.ed4 Qd4 31.Kh1 Qf2 32.c7 Ne4 33.Rb8 Do you see the mate threat? 33...Qe1 34.Kh2 Qg3 35.Kg1 Qf2 36.Kh1 Qe1 ½–½. Nebe,Lutz – Bendig,Frank, corr SOK–88–27, 1988.

14.h3 Bg6 15.Ng6 fg6 16.Nf3 =.

13.Na3 Ra8 14.Nc2 (14.Nf5 ef5 15.Nc2 Ra2=) 14...Bg6 (14...Qc7!?=+) 15.Ng6= hg6 16.f4 Ra2 17.Qb1 (17.Nd4 c5 18.bc5 Nc5=) 17...Qa7 (17...Rc2 18.Qc2 Qe3 19.Kh1 Bf4 20.Bb2=) 18.g3 (18.Nd4 Re2 19.Ne2 Qe3 20.Rf2 Ng4-+) 18...e5 (18...c5 19.Bb2=) 19.fe5 Ne5 20.Bb2 Qa4 21.Nd4 Nfg4 (21...b6 22.Kg2=) 22.Bc1 (22.Bd1 Qa8 23.Bb3 Ra6+=) 22...Ra1 (22...b6 23.b5 c5 24.Bd1=+) 23.Qb2 Nf6 (23...Qa2 24.e4=) 24.Qd2 Ra2 25.Qd1 (25.Bb2 Qa3 26.Rb1 b6=) 25...Qa6 (25...Qd1 26.Rd1 (26.Bd1? Nd3 27.Bc2 Nc1 28.Rc1 Be5-+) 26...g5 27.Rd2=+) 26.Nf3 (26.e4 de4 27.de4 Qb6=) 26...Qa7 (26...Re2 27.Ne5 Ra2 28.Nf3=+) 27.Ng5 (27.b5 cb5 28.Qe1 Nc6=+) 27...b5 28.d4 (28.Bf3!?=) 28...Nc4=+ 29.Bf3 (29.Bd3 Qe7=+) 29...Qe7 The backward pawn on e3 becomes a target 30.Qe1 (30.Qd3 Nh7 31.Nh7 Kh7+=) 30...Ng4 Exerts pressure on the backward pawn. The pressure on the backward pawn e3 gro 31.Bg4 (31.Nf7 Nh2 32.Nd6 Qd6-+ (< 32...Nf3 33.Rf3 Nd6 34.Rf2 Rf2 35.Qf2=+)) 31...Qg5 32.Bd7 Qe7 (32...Qh5 33.Rf2 Ra6=) 33.Bc6= Qe6 (33...Qe4! 34.Rf2 Ra1=) 34.Bb5+/- Qh3 (34...Qe4!? 35.Rf2 Ra1+/-) 35.Rf2+– Bg3 36.hg3 ½–½. Bonetti,Shane (2110) – Pleschke,Helmut (1800), Orangutan Cup, Final, 2005.

13.Na3 Qc7 14.f4 =.

13.Nd2 Bg6 =.

13.Nf5 ef5 14.Qc2 Re8 (14...Qc7 15.h3=) 15.d4 (15.Nd2 Ne5=) 15...f4 16.ef4 Bf4 17.Bb2 (17.Re1 Ne4=+) 17...Qc7 (17...Ne4 18.Re1=+) 18.g3= Bd6 19.Bd3 (19.Re1 b5=) 19...Ne4 (19...b6 20.Nd2=) 20.Be4 (20.Re1!?=) 20...Re4=+ 21.c4 Nf6 (22.c5 Bf8=+; 21...Qd8 22.Nc3 Re7 23.c5=) ½–½. Fritsch – Perlick, corr, 1976.

13.Nf5 ef5 14.Nd2 Ra8 =.

10.Nd4 Bg6 11.Nd2 e6 12.Be2 Be7 13.Qb3 (13.f4 Nbd7=+) 13...0-0-/+ 14.0-0 Nbd7 15.c4 (15.Qa2 c5 16.bc5 Nc5=+) 15...Qb4 16.Bc3 Qb3 17.N2b3 (17.N4b3 Ra8-/+) 17...e5-+ 18.Nf3 e4 19.Nh4? (better 19.de4 Ne4 20.Be5 dc4 21.Bc4-+) 19...Bh7 20.d4 (20.Nd4 ed3 21.Nhf5 Bf5 22.Nf5 de2 23.Ne7 Kh7-+) 20...g5 (20...dc4 21.Bc4 Nb6 22.Be2-+) 21.Nf3 (21.c5 b6-+) 21...ef3 22.Bf3 (22.gf3 dc4 23.Bc4 b5-+) 22…dc4 (22...dc4 23.Na5 Bd3-+) 0–1. imreallylousy – zvujovic, net–chess.com, 2019.

11.0-0 Bd6 12.Nbd2 Nbd7 13.Bb2 (13.e4 Bh7 14.c4 Bb4 15.cd5 ed5 16.ed5 cd5 17.Bd4; 13.Qa4 0-0 14.Bb2 c5 15.Nh4 Bh7 16.Ba3 Qc6 17.Qc6) 13...0-0 14.Qa4 Ng4 (14...c5 15.Nh4 Bh7 16.Ba3 Rc8 17.Ra1) 15.d4 Qc7 (15...e5 16.h3 Ngf6 17.Ra1) 16.h3 Nh2 17.Ra1 Nf3 18.Nf3 Rb8 19.Qd1 b5 20.Bd3 Qb7 21.Bf5 ef5 22.Nd2 Nb6 23.g3 Ra8 24.Qb1 g6 25.Ra8 Qa8 26.Kf1 Nd7 27.Kg2 Nf6 28.Nb3 Ne4 29.Qc1 Kg7 30.Nc5 Qe8 31.Qd1 Qe7 32.h4 g5 33.Qf3 gh4 34.Qf5 hg3 35.Ne4 Qe4 36.Qe4 de4 37.c4 Kg6 38.c5 Bc7 39.fg3 Kf5 40.Bc3 Kg4 41.Be1 h5 42.Bf2 Kf5 43.d5 cd5-+ 44.Kf1 Ke6 45.Ke2 Kd7 46.Kd2 Kc6 47.Kc3 Be5 48.Kb3 Bf6 49.Kc2 Bg5 50.Kc3 Bh6 51.Kc2 d4 52.ed4 Kd5 53.Kd1 f5 54.Ke2 f4 55.gf4 Bf4 56.Bh4 Kd4 57.Bf2 Kd5 58.Bh4 Be5 59.Ke3?? Bc3 60.c6 Kc6 61.Ke4 Bb4 62.Kf3 Kd6 63.Bf6 Be1 64.Bg7 h4 65.Kg4 h3! 66.Kh3 Kd5 67.Kg2 b4 68.Kf1 Bc3 69.Bf8 b3 70.Ba3 Kc4 71.Ke2 Kb5 72.Kd3 Ka4 73.Bc1 Bf6 74.Kc4?? Bg7 75.Kd3 Kb4 76.Bd2?? Ka3 77.Bc1 Ka2 78.Kc4 Bf8 0–1. Gavrijski,Dimitar (2140) – Luzuriaga,Norberto Horacio (2335), corr ICCF WSTT/3/06/Final, 2009.

11.0-0 Bd6 12.Nd4 A) 12...Bh7 13.f4 (13.Nd2 Nbd7 14.f4 0-0 15.N2f3 Ra8 16.Qd2 e5 17.Ne5) 13...0-0 14.Nd2 Nbd7 15.N2f3 Ra8 16.Qd2 e5 17.Ne5; B) 12...Nbd7 13.Nf5 (13.c4 Qb4 14.Bc3 Qb6 15.Nf5 ef5 16.cd5 cd5 17.Bd4) 13...ef5 14.Nd2 0-0 15.Nf3 Ra8 16.Nd4 g6 17.Qc2; C) 12...Bg6 13.Nd2 (13.f4 Nbd7 14.Nd2 0-0 15.N2f3 Ra8 16.Qd2 e5 17.fe5) 13...0-0 14.f4 Nbd7 15.N2f3 Ra8 16.Nh4 Bh7 17.Qd2.

11.0-0 Bd6 12.e4 de4 13.de4 Ne4 14.Nbd2 Qc7 15.c4 Nd2 16.Qd2 f6 17.g3.

11.0-0 Bd6 12.Nh4 A) 12...Nbd7 13.Nf5 (13.c4 dc4 14.Nf5 ef5 15.dc4 Bb4 16.Qc2 g6 17.Bf6) 13...ef5 14.Nd2 0-0 15.Nf3 Ra8 16.Nd4 g6 17.Qb3; B) 12...Bh7 13.Nd2 (13.Nf3 Nbd7 14.Nbd2 0-0 15.Qa4 Rc8 16.Bb2 c5 17.Ba3) 13...Nbd7 14.Nhf3 0-0 15.Qa4 c5 16.bc5 Nc5 17.Qc2.

11.0-0 Nbd7 A) 12.Qa4 Bd6 13.Bb2 (13.Nbd2 0-0 14.Bb2 c5 15.Nh4 Bh7 16.Ba3 Qc6 17.Qc6) 13...0-0 14.Nbd2 c5 15.Nh4 Bh7 16.Ba3 Qc6 17.Qc6; B) 12.Bb2 Bd6 13.Nbd2 (13.Qa4 0-0 14.Nbd2 c5 15.Nh4 Bh7 16.Ba3 Qc6 17.Qc6) 13...0-0 14.Qa4 c5 15.Nh4 Bh7 16.Ba3 Qc6 17.Qc6; C) 12.Nd4 C1) 12...Bh7 13.Qa4 (13.f4 Bd6 14.Nd2 0-0 15.N2f3 Ra8 16.Qd2 e5 17.fe5) 13...Bd6 14.c4 dc4 15.dc4 Qb4 16.Qa8 Bb8 17.Bc3; C2) 12...Bd6 13.Nf5 (13.Nd2 Bg6 14.f4 e5 15.fe5 Ne5 16.N2f3 Neg4 17.Qd2) 13...ef5 14.Nd2 0-0 15.Nf3 Ra8 16.Nd4 g6 17.Qc2; C3) 12...Bg6 13.f4 (13.Nd2 Bd6 14.f4 e5 15.fe5 Ne5 16.N2f3 Nf3 17.Bf3) 13...Bd6 14.Nd2 e5 15.fe5 Ne5 16.N2f3 Nf3 17.Bf3; D) 12.Nbd2 D1) 12...Be7 13.Qa4 (13.Bb2 0-0 14.Qa4 e5 15.Ra1 Rc8 16.Qa5 Qa5 17.Ra5) 13...0-0 14.Bb2 Bd6 15.Ra1 c5 16.b5 Qc7 17.h3; D2) 12...Bd6 13.e4 (13.Qa4 0-0 14.Bb2 c5 15.Nh4 Bh7 16.Ba3 Qc6 17.Qc6) 13...Bh7 14.c4 Bb4 15.cd5 ed5 16.ed5 cd5 17.Bd4.

11.0-0 Be7 A) 12.Bb2 0-0 13.Qa4 (13.Nbd2 c5 14.Qb3 cb4 15.Nd4 Bg6 16.Ra1 Nbd7 17.cb4) 13...c5 14.b5 Na6 15.Nbd2 Nc7 16.c4 Ra8 17.Qb3; B) 12.Qa4 B1) 12...Na6 13.Nbd2 (13.Bb2 0-0 14.Nbd2 Ra8 15.Ra1 c5 16.Qa5 Qa5 17.ba5) 13...0-0 14.Bb2 Ra8 15.Ra1 c5 16.Qb3 cb4 17.Nd4; B2) 12...Bd6 13.Nbd2 (13.Bb2 Na6 14.Nbd2 0-0 15.Qb3 Re8 16.Ra1 e5 17.h3) 13...0-0 14.Bb2 Na6 15.Nd4 Ra8 16.Ra1 Nc7 17.Qd1; B3) 12...0-0 13.Nbd2 (13.Bb2 Na6 14.Nbd2 Ra8 15.Ra1 c5 16.Qa5 Qa5 17.ba5) 13...Na6 14.Bb2 Ra8 15.Qb3 Nb8 16.Nd4 Bh7 17.e4; C) 12.Nd4 C1) 12...Bh7 13.Nd2 (13.f4 Nbd7 14.Nd2 0-0 15.N2f3 Ra8 16.Qd2 Ne8 17.Bb2) 13...Nbd7 14.f4 0-0 15.N2f3 Ra8 16.Qd2 Ne8 17.Bb2; C2) 12...Bg6 13.f4 (13.Nd2 Nbd7 14.f4 0-0 15.N2f3 Ng4 16.Qd2 e5 17.Ne5) 13...0-0 14.Nd2 Nbd7 15.N2f3 Ng4 16.Qd2 e5 17.fe5; D) 12.Nbd2 D1) 12...Nbd7 13.Bb2 (13.Qa4 0-0 14.Bb2 Ng4 15.Nd4 Qc7 16.g3 h5 17.Nf5) 13...0-0 14.Qa4 Ng4 15.Ra1 Ne3 16.h3 Bh7 17.fe3; D2) 12...0-0 13.Bb2 (13.Qa4 Na6 14.Nd4 Bh7 15.f4 Ra8 16.Qc2 Nc7 17.N2f3) 13...c5 14.Qb3 cb4 15.Nd4 Bg6 16.Ra1 Nbd7 17.cb4.

11.Nbd2 Nbd7 12.Qa4 Bd6 13.Qa8 Bb8 14.Qa4 0-0 15.c4 Qa7 16.Qa7 Ba7 17.0-0 Ra8 18.Bf6 Nf6 19.Ra1 Ne8 20.Nd4 Nc7 21.Nf5 ef5 22.d4 Bb8 (22...f4 23.Kf1+=) 23.Ra8+– Na8 24.cd5 cd5 25.Bf3 Nb6 26.Nb3 Bd6 27.b5 Bb4 28.Nc5 Bc5 29.dc5 White gets in control 29...Nd7 30.c6 bc6 31.bc6 Nb6 32.c7 Kf8 33.Bd5! Ke7 (33...Nd5 Deflection from c8 34.c8Q) 34.Bc4 f6 35.Bd3 Kd7 (35...g6 36.h4 Kd7 37.h5 gh5 38.Bf5 Kc7 39.Kh2+–) 36.Bf5 Kc7 37.h4 Kd6 38.h5 Ke5 39.g4 Nc4 40.Kf1 Nd6 41.Bg6 Ke6 42.Ke2 Nc4 43.f4 Nb6 44.Kd3 Na8 45.Kd4 Nc7 46.Bd3 Ne8 47.Kc5 Ke7 48.Bc4 Nd6 49.Bd5 f5 50.Bf3 fg4 51.Bg4 Ne4 52.Kd4 Nf6 53.Be2 Nd7 54.e4 Kf6 55.Bg4 Nf8 (55...Nb8 56.Kc5 Kf7 57.Kd6+–) 56.e5 Ke7 57.Bf5 Kd8 58.Kc5 Ke7 59.Kd5 White prepares the advance e6 59...Kf7 60.Kd6 Ke8 61.Bg6 Kd8 62.e6 (62.e6 Ne6 63.Ke6+–) 1–0. marekt – zvujovic, net–chess.com, 2020.

9.Nbd2 b5 10.Ne5 Nf6 11.e3 Ne4 (11...e6 12.Bb2=+) 12.Nb3 Qa2 13.Be2 f6 14.Nd3 e6 15.0-0 Be7 16.g4 Bg6 17.Nf4 Ng5 18.Ng6 hg6 19.Bd3 (better is 19.Nd2!?=) 19...Bd6-/+ 20.Bg6 Ke7 21.Bh5 g6 (21...Rh6 22.h4 Ne4 23.g5 fg5 24.hg5 Rh5 25.Qh5 Qb3 26.Qg6=+) 22.h4=+ (22.Bg6?? Rh2 23.c4 Nh3) 22...gh5 23.hg5 hg4 24.gf6 Kf7 25.Nd2 (25.Re1!?=+; 25.Nc5!?) 25...Nd7-/+ 26.Qc1 Rh2 27.Rd1 (27.e4 Bf4 (27...Nf6? 28.e5 Rh8 29.ed6+–) 28.Qb2 Qb2 29.Bb2 Nf6-/+) 27...Nf6-+ 28.Qb1 (28.Qb2 Qa8 29.Nf1 Rh3-+) 28...Qa8 (28...Qb1 29.Rb1 g3 30.Rf1-+) 29.Nf1 Rh3 30.Nd2 Qh8 31.Kf1 Rh2 32.Ke2 (32.Qa2 Rf2!! 33.Kf2 Qh2 34.Kf1-+) 32...Rf2!? (33.Kf2 Qh2 34.Kf1 g3 35.Qh7 Nh7 36.Ne4 g2 37.Ke2 g1Q 38.Kd3 Qd1 39.Nd2 Qhd2) 0–1. Grund,Karl – Diener,Rudolf, corr ICCF T–19–F, 1985.

9.Nbd2 Nf6 10.e3 Nbd7 11.Nb3 e6 12.Bd3 (12.Nh4 Bg6=) 12...Bd3=+ 13.Qd3 Bd6 14.0-0 Ne4 15.Nfd2 f5 16.Nc5 Ndc5 17.bc5 Bc7 18.c4 0-0 19.cd5 ed5 20.Bc3 Qa3 (better 20...Qa6 21.Qa6 ba6 22.Ne4 fe4=) 21.Rb1?? (better 21.Ne4 fe4 22.Qd2=) 21...Qc3 (21...Ba5 22.Rb3 Qc1 23.Nf1 Nc3 24.g3-+) 22.Qc3 Nc3 23.Rb7 Rc8 24.Nf3 h6 25.Ne1 (25.Kf1 g5-+) 25...Ne4 (25...f4 26.Nd3-+) 26.Nd3 Nf6 (26...f4 27.ef4 Nc3 28.Ra7-+) 27.Nb4 (27.h3-+) 27...Ne8 (27...Ba5 28.Nd3-+) 28.f3 (28.g3 Ba5 29.Na6 Nc7-/+) 28...Kf8 29.Kf2 Bd8 (29...Ba5 30.Nd3-/+) 30.Ra7=+ Nf6 31.Ra6 Be7 (31...Bc7!? 32.Rc6 Ke7=+) 32.Nc6= Ne8 33.Ne5 Rc7 34.Ng6 Kf7 35.Nf4 g5?? (better 35...Nf6=) 36.Nd5+- Rb7 37.Ne7 Ke7 38.Rh6 Nf6 (38...Rb2 39.Kg3 Ng7 40.f4+-) 39.Rg6 Ke6 (39...Rb2 40.Kg3 Nd5+-) 40.Rg5 Rb2 41.Kg3 Re2?! (41...Rb3 42.Rg6 Kf7 43.Rh6+-) 42.e4! fe4 43.fe4 (43.Re5!? Kf7 44.fe4 Rc2+-) 43...Ne4? (better 43...Re4 44.Re5 Re5 45.de5 Ne4 46.Kf4 Nc5+-) 44.Kf4?? (better 44.Kf3 Nc3 45.h4+-) 44...Ng5-+ 45.Kg5 Rg2 46.Kf4 Rh2 47.d5 Kd5 48.c6 Kc6 49.Kg3 Rc2 50.Kf3 Rc5 51.Ke3 Kd5 52.Kd3 Rc4 53.Ke2 Ke4 54.Kf2 Rc3 55.Kf1 (55.Ke2 Rc2 56.Kd1 Kd3 57.Ke1 Rb2 58.Kf1 Ke3 59.Kg1 Kf3 60.Kh1 Kg3 61.Kg1 Rb1) 55...Re3 (55...Kf3 56.Kg1 Rc1 57.Kh2 Rb1 58.Kh3 Rh1) 56.Kf2 (56.Kg2 Kf4 57.Kf2 Re4 58.Kg2 Re2 59.Kf1 Kf3 60.Kg1 Re1 61.Kh2 Rd1 62.Kh3 Rh1) 56...Kf4 57.Kg2 Rf3 58.Kg1 (58.Kh2 Rf2 59.Kh1 Kg4 60.Kg1 Kg3 61.Kh1 Rf1) 58...Kg3 59.Kh1 Rf1 0-1. Kolia55 (2120) - BeepBeepImAJeep (2455), Hourly Bullet Arena, lichess.org, 2018.

9.Nbd2 Nf6 10.e3 Bd6 11.Be2 h6 12.Ne5 Nbd7 13.0-0 (13.Qa4 0-0 14.g4 Bh7 (< 14...Ne5 15.de5 Be5 16.gf5+/-; 14...Be5?! 15.gf5 Bd6 16.fe6 fe6 17.f4=) 15.Nd7 Nd7=+) 13...Ne5-/+ 14.de5 Be5 15.c4 Ba1 16.Qa1 0-0 17.Qc3 dc4 18.Bc4 Ra8 19.Re1 (19.Qb3 Qc7-/+) 19...Ra4-+ 20.e4 Bg6 21.b5 cb5 22.Bb3 Ne4 23.Ne4 Re4 24.Rd1 Re2 25.Qf3 Bh5 26.Qg3 Qa5 27.Qb8 (27.h4 Re1 28.Re1 Qe1 29.Kh2 Qe4-+) 27...Kh7 28.h3 Qc3 29.Qg3 Qg3 30.fg3 Rb2 31.Rd3 Be2 32.Rc3 b4 33.Re3 b5 34.Re4 f5 (< 34...Rb3 35.Re2 Rg3 36.Re5-+) 35.Rb4 Kg6 36.g4 fg4 37.hg4 Bd1! 38.Rb5 (38.Bd1 Rb4) 38...Rb3 39.Re5 Bg4 40.Kf2 Rb2 41.Kg3 h5 42.Ra5 Bf5 43.Kf3 h4 44.Re5 0–1. Pierred (2120) – Attakinski (2555), Rated game, 2005.

9.e3 Bd6 10.Be2 =+.

9.e3 Nf6 10.Nbd2 Bd6=+ 11.Be2 Qc7 12.0-0 0-0 13.Qb3 Nbd7 14.c4 Ra8 15.Rc1 (15.c5 Be7=) 15...b6=+ 16.Bb2 h6 (16...Ng4 17.h3 Ngf6 18.Ra1 Ra1 19.Ba1=) 17.cd5 ed5 18.Ne5 Ne5 (18...Nb8 19.Ra1 Ra1 20.Ba1=) 19.de5=+ Be5 20.Be5 Qe5 21.Rc6 Ra1 22.Nf1 Ne4 (22...Rb1!? 23.Qa4 Qb2 24.Qa8 Kh7-/+) 23.f4 Qe8 24.b5 (24.Qd5 Ng3 25.hg3 Qe3 26.Kh2 Qe2 27.Qf5+–) 24...Qd8=+ 25.Qb2 Re1 26.Bd3 Ng3 27.Kf2 Bd3 (27...Nf1 28.Bf1 Qh4 29.Kg1 Rf1 30.Kf1 Bd3 31.Qe2 Be2 32.Ke2 Qh2-+) 28.Ng3=+ Rd1 29.h3 (29.Qb3 Rd2 30.Kf3=+) 29...d4 (29...Qh4 30.Kf3 Rb1 31.Rc8 Kh7=) 30.Qd4+= Qh4 31.Kf3 Rd2 32.Rc8 Kh7 33.Qb4 Rc2? 34.Rc2+/- Bc2 35.Qd6 Qf6 36.Qf6 gf6 37.Ne4 f5 38.Nd6 Bd1 39.Kf2 Kg6 40.Ke1 Bb3 41.Kd2 Bd5 42.g3 Bg2 43.Nc4 Bf1 44.Kc3 Kh5 45.Kb4 Bh3 46.Nb6 Bg2 47.Kc5 Bb7? 48.Nc4+– Kg4 49.Nd6 Ba8 50.Nf7 h5 51.Nd6 Kg3 52.Nf5 Kg4 53.Nh6 Kg3 54.b6 h4 55.Nf5 Kg4 56.Nh4 Kh4 57.Kd6 (57…Kg4 58.Kc7+–; 57.f5 Kg5 58.e4 Be4+/-) 1–0. Genius 3 – REBEL7, Fax–partij Nederland, 1995.

9.e3 Nf6 10.Be2 Bd6 =.

9.Nbd2 Na6 =+.

9.Nbd2 e6 10.e3 Nbd7 11.Nh4 Bg4 12.f3 Bh5 13.g4 Bg6 14.Ng6 hg6 15.Kf2 (15.e4 Be7=) 15...Qc7 16.h3 Bd6 17.Bg2 g5 18.Rf1 Bh2 19.Ke2 Nf8 20.Kd3 Qg3 21.Qe2 Ng6 22.Rh1 Nh4 23.Nf1 Qg2 24.Qg2 Ng2 25.Rh2 Nh4 26.Nd2 Ke7 27.Rh1 Ra8 28.Bb2 Ra2 29.Kc2 Nd7 30.Kb3 Ra8 31.Bc1 Ng2 32.Nf1 Nb6 33.e4 f6 34.Ng3 g6 (34...Nc4 35.Nh5=+) 35.e5 Nc4 36.ef6 Kf6 37.Ne2 e5 38.de5 Ne5 39.f4 gf4 40.Nf4 Nf4 41.Bf4 Nc4 42.Bc1 Re8 43.h4 Re4 44.h5 gh5 (44...Rg4? 45.h6 Re4 46.h7+–) 45.gh5 Kg7 46.h6 Kh7 47.Rf1 Re7 48.Bg5 Rd7 49.Rh1 Nd6 50.Kc2 Nf5 51.Kd3 d4 (51...Rd6!?=) 52.c4+= b6 53.Bc1 c5 ½–½. Grund,Karl – Poschmann,Hans, corr ICCF, 1985.

9.Nbd2 e6 10.Nh4 Bg4 11.h3 Bh5 12.g4 Bg6 13.Ng6 hg6 14.Bg2 Bd6 15.Bb2 Nbd7 16.Qa1 0-0 17.0-0 (17.Nb3 Qc7=) 17...Qb5 (17...Qc7 18.Bc1=) 18.e3 (18.Re1 e5=) 18...Nb6=+ 19.Qd1 Ra8 20.Qc2 Ra2 21.Ra1 Ra1 22.Ba1 Qe2 (better is 22...Qa6 23.Qb1 Nbd7=) 23.Bf1+/- Qe1 24.Bb2 Bh2 25.Kg2 Nc4 26.Nc4 dc4 27.Qe2 (27.Kh2 Qf1 28.Bc1 Qd3 29.Qd3 cd3-/+; < 27.Bc4 Qg1 28.Kf3 Qh1 29.Ke2 Bg1=+) 27...Qe2 28.Be2 Bd6 29.Bc4 b5 30.Bd3 Nd5 31.h4 Kf8 32.Kf3 Nb6 (32...e5 33.e4 Nc7 34.d5 cd5 35.ed5 Nd5 36.Bb5+/-) 33.Bc1 (33.e4 Ke8+–) 33...e5 34.de5 Be5 35.Bd2 Ke7 36.Ke4 Ke6 (36...Bh2 37.Be1+/-) 37.f4 Bd6 38.Kd4 (38.Kf3 Kd7+–) 38...Nd5 39.f5 gf5 40.gf5 Ke7 41.Bb5 Nb4 42.Ba4 c5 43.Kc4 Na6 44.e4 Bg3 45.h5 Bd6 46.h6 gh6 47.Bh6 Kf6 48.Kd5 Bg3 49.Bb3 Be1 50.Bc4 Nc7 51.Kc6 Bg3 52.Bf8 (52…Bf4 53.Bc5+–; 52.Kc5?! Be5 53.Kc6 Ne8+–) 1–0. Klemens,Leszek – Gerold,Guenter, corr ICCF TT, 2004.

9.Nbd2 e6 10.Nh4 Bg6 11.Ng6 hg6 12.e3 =.

9.e3 e6=+ 10.Nbd2 Bd6 =+.

9.e3 e6=+ 10.Bd3 Bd3 11.Qd3 Qa6 12.Qa6 Na6 13.Bb2 (13.Nbd2 Bd6=+) 13...Be7 (13...Bd6 14.Ba3 Nc7 15.Nbd2=+) 14.0-0 (14.Ke2 Bd6=+) 14...Nd7 (14...Bd6 15.Nbd2=+) 15.Na3 (15.Nbd2 g5=) 15...0-0 16.g3 (16.Ra1 Ra8=+) 16...f6 (16...Ra8 17.Ra1=+) 17.b5 (17.Re1 f5=+) 17...Nc7 18.bc6 (18.c4 cb5 19.Nb5 Nb5 20.cb5 Ra8=+) 18...bc6 19.Kg2 (better is 19.Nc2!?=+) 19...Rb8-+ 20.Bc1 Rb3 21.Nc2 Rc3 22.Nfe1 (22.Na1 c5-+) 22...Ne8 (22...Rb3 23.Nf3-+) 23.Bd2 (23.g4 Kf7-+) 23...Rc4 24.Na1 e5 (24...c5 25.Nec2-+) 25.Nec2 (25.Nd3 Ra4 26.Nc2 Nc7-+) 25...e4 (25...c5 26.dc5 Nc5 27.Bb4-+) 26.Rc1 (26.Rb1 Kf7-/+) 26...c5-+ 27.Nb3 Ra4 (27...Kf7 28.g4-+) 28.dc5 Bc5 (28...Nc5 29.Nc5 Bc5 30.Bc3-+) 29.Ncd4 (29.Bc3 Kf7-/+) 29...Bd4 30.Nd4 (30.ed4 Kf7-/+) 30...Ra2 31.Bb4 Ne5 32.Rc8 (32.Rc2 Rc2 33.Nc2 Kf7-+) 32...Kf7 33.Rc7?? (better is 33.Rc2 Rc2 34.Nc2-+) 33...Nc7 (34.Bd6 Ne8 35.Be5 fe5-+) 0–1. Wantoch_Rekowski,Jacek – Ewert,Jerzy, corr 2. AMM Poland, 1994.

9.e3 e6 10.Nh4 Bb1 11.Qb1 =+.

9.e3 g6 10.Bd3 (10.Be2 Bg7=) 10...Bd3=+ 11.Qd3 Qa7 (11...Qa6 12.Qa6 Na6 13.Ne5=+) 12.Bb2 Qa2 (12...Qa6 13.Qc2=) 13.Qc2 Qa6 14.Ne5 (14.Nbd2 Bg7=) 14...Bg7 15.Qd3 (15.Nd2 0-0=) 15...Nfd7=+ 16.Qa6 Na6 17.Nd7 (17.Nd3 e5=+) 17...Kd7 18.0-0 (18.h4 Ra8=+) 18...Ra8 (18...e5 19.Rd1=+) 19.Na3 (19.Nd2 Nc7=+) 19...Nc7 20.Ra1 e5 21.Nc2 (21.f4 ed4 22.ed4 Ne6=+) 21...Ra1-/+ 22.Na1 e4 23.h4 (23.Nb3 b6-/+) 23...f5 24.g3 (24.Kh2 b6-/+) 24...Nb5 25.Nc2 (25.Nb3 b6-/+) 25...Nd6 26.Na3 Ke6 27.Bc1 h6 28.Kg2 Bf6 29.Bd2 (29.Kf1 b6-/+) 29...g5 30.hg5 hg5 31.Kh3 (31.Kf1 Bg7-/+) 31...Bd8 32.g4 Kf6 33.gf5 Kf5 34.Kg3 (34.Kg2 Bc7-/+) 34...g4 35.Bc1 Kg5 36.Bd2 (36.Kg2 Be7-/+) 36...Nf5-+ 37.Kg2 b5 (37...Nh4 38.Kf1-+) 38.Nc2 Bc7 39.Na1 Nd6 40.Nb3 Nc4 41.Bc1 Kf5 (41...Bd6 42.Na5=+) 42.Nc5 Kf6 43.Nd7 (43.Nb3 Kg6-/+) 43...Ke6 (43...Ke7 44.Nc5-/+) 44.Nc5 Kf7 45.Nb3 Ke6 (45...Kf6 46.Nd2-/+) 46.Nd2 (46.Nc5 Ke7 47.Kf1-/+) 46...Nb6-/+ 47.Nb3 Na4 48.Bd2 Nb2 49.Nc5 Ke7 50.Bc1 Na4 51.Na4 (51.Bd2 Nb6-/+) 51...ba4-+ 52.Kf1 0–1. Wantoch_Rekowski,Jacek – Brzoza,Miroslaw, corr 2. AMM Poland, 1994.

9.e3 h6 10.Bd3 (10.Be2 e6=+) 10...e6 (10...Bd3 11.Qd3 e6 12.Nbd2=+) 11.Bf5= ef5 12.0-0 (12.Qc2 Ne4=) 12...Nbd7 (12...Bd6 13.Nbd2=) 13.Qc2 g6 (13...Ne4 14.Nfd2=) 14.Nbd2 Be7 15.Bb2 0-0 16.Ra1 Qc7 (16...Re8 17.Nb3=) 17.Qb3 (17.Nb3 b6=) 17...b5 18.Ra6 Nb6 (18...Re8 19.Qa2=) 19.Qa2 (19.Qc2 Bd6=) 19...Na4 (19...Ne4!?=) 20.Ne5+= Qb7 21.Rc6 Ra8 22.h3 (22.Qb3 Nb2 23.Qb2 Nd7=) 22...Nc5 23.Qb1 (23.Qa8 Qa8 24.bc5= (worse 24.dc5 Nd7 25.Rc7 Ne5 26.Re7 f6-/+)) 23...Ncd7=+ 24.Ndf3 Ne4 25.Rc5 Ne5 26.Ne5 Bc5 27.bc5 (27.dc5 Nd2 28.Qd1 Nc4=+) 27...b4 (27...Nd2 28.Qc2 Nc4 29.Nd3=+) 28.c6= Qb5 (28...Qe7 29.cb4 Qb4 30.Qc1=) 29.cb4=+ Qe2 30.f3 (better 30.Nd3!?=+) 30...Nc3-/+ (worse 30...Qe3 31.Kh2 Nd2 32.Qd1=) 31.Bc3 Qe3 32.Kh2 Qc3 33.b5 Ra1 (33...Qd4?! 34.Nd7 Qf4 35.Kh1=+) 34.Qa1 Qa1 35.c7 Qc1 36.b6 Kg7 37.Kg3 (37.Nd3 Qc6-+) 37...h5 (37...g5 38.Kh2-+) 38.Kh2 h4 39.Nd3 Qc6 40.Nb4 Qd6 41.Kh1 Qb6 (41...Qb4?! 42.c8Q Qb6 43.Qc3-/+) 42.c8Q Qb4 43.Qc7 (43.f4 Qe1 44.Kh2 Qg3 45.Kh1 Qf4-+) 43...Qd4 44.Qd6 (44.Qd8 Qc4-+) 44...Qc4 (44...g5 45.Kh2-+) 45.Qe5 Kh7 (45...Kh6 46.f4 Kh7 47.Qe3-+) 46.Qf6 Kg8 47.Qd8 (47.Kg1 Kf8-+) 47...Kg7 48.Qd6 d4 (48...g5 49.Qe5 Kg6 50.Qd6 f6 51.Qd8-/+) 49.Qe5 Kg8 50.Kg1 (50.Qb8 Kh7 51.Qf4 Qf1 52.Kh2 Qf2-+) 50...d3 51.Qe8 Kg7 52.Qe5 Kh7 53.Qe3 (53.Qb2 f4 54.Qd2 Qd4 55.Kf1 Qe3-+) 53...Qc2 (53...f4 54.Qd2-+) 54.Qe7 Qc1 55.Kf2 Qb2 56.Ke1 (56.Kf1 Kg7 57.Qe3 Qc3-+) 56...Kg7 (56...Qg2?! 57.Qh4 Kg7 58.Qd4 f6 59.Qd3 Qh3 60.Qd7 Kh6 61.Ke2-+) 57.Qe3 Qg2 0–1. Vitruvius 1?11C 64_bit 4CPU – Komodo 5 64_bit, CCRL, 2012.

9.Bb2?? Qa2-+ 10.Qc1 Qb1 11.Qb1 Bb1 12.Ke2 (12.d3 Nd7-+) 12...Nf6 13.g3 e6 14.Bh3 Be4 15.d3 h5?? (better is 15...Bf3 16.Kf3 Bd6-+) 16.de4-/+ de4 17.Nd4 Ng4 18.f3 ef3 19.Kf3 Ne5 20.Ke2 Nbd7 21.Ra1 Bd6 22.Ra8 Nb8 23.Kd2? Nc4 24.Kc2 Ne3 25.Kd3 Ng4 26.b5?? Nf2 27.Kc4 Nh3 28.bc6 bc6 29.Nc6 Kd7 30.Nb8 Rb8 31.Rb8 Bb8 32.Kb4 Be5 33.Kc4 Ng5 34.Bc1 Nf3 0–1. Neumann,Frank (1650) – Klawitter,Rolf (2110), RSS5E NoEngine–79, 2009.

9.Bb2?? Qa2-+ 10.Qc1 Bb1?! 11.d3-/+.

9.Bb2?? Qa2-+ 10.Nh4 Bb1 (10...Bb1 11.Qc1 e6-+; 10...Qb2?! 11.Nf5 Nf6 12.Ng3=; 10...Qb1?! 11.Nf5 Qf5 12.d4-+) 0-1. pacal56 (2150) - Flourish (2200), Rated Blitz game, lichess.org, 2014.

9.Nd4 Be4 10.d3 Bg2 (< 10...Qa1 11.de4 de4 12.Nb3=) 11.Bg2 Qa1 =+.

9.Nd4 Nh6 10.Bb2 (10.Nf5 Nf5 11.Bb2 e5=) 10...Bg6 11.Na3 e5 12.Ndc2 Bd6 13.Be2 (13.c4 Qb6=+) 13...Nd7 14.0-0 0-0 15.Ne1 (15.c4 Ra8=) 15...Nb6 16.Nac2 Qa2 17.Bc1 Ra8 18.f4 ef4 19.ef4 Qb3 20.Nd3 (20.g4 f5-/+) 20...Ra2 21.Ne3 Qd1 22.Nd1 Bd3 (22...Nc4 23.N3b2 Nb2 24.Nb2-/+) 23.Bd3=+ Bf4 24.Ne3 (24.Rf4!? Ra1 25.Ne3 Rc1 26.Rf1 Rf1 27.Kf1=+) 24...Be3-+ 25.de3 Ng4 26.e4 Ne5 27.Bb1 Re2 28.ed5 Nd5 29.Rd1 Nc4 30.Bd3 Rg2!-+ 31.Kh1 Rg4 32.Bf5 Rh4 33.Bc8? Nd6 34.Bd7 White begins to deal mighty blows 34...Ne4 35.Re1 Ndc3 36.Bb2 Nd5 37.b5 c5 38.Bc8 b6 39.Bb7 Ndf6 40.Ra1 Threatening mate: Ra8 40...c4?? 41.Ra8 (41...Ne8 42.Re8) 1–0. Frenzel,Lothar – Cossmann,R, corr SOK–91–71, 1991.

9.Nh4 Be4=+ 10.d3 Qa1 (10...Bg2 11.Bg2 Qa1 12.Nf3=+) 11.de4 Nf6 12.Bd3 de4 13.Bc4 e6 14.Qb3 (14.0-0 b5 15.Bb3 Qb2=+) 14...Be7 (14...b5 15.Qa2 Qa2 16.Ba2-+) 15.0-0-/+ Qa7 16.Be6 fe6 17.Qe6 b6 (17...b5 18.Nf5 Qd7 19.Ng7 Kf8 20.Qd7 Nbd7 21.Nf5-/+) 18.Qc8 (18.Rd1!? Qa4 19.Rd2-/+) 18...Bd8-+ 19.Rd1 (19.Qe6 Qe7 20.Qc8 Nd5 21.Qb8 Qh4-+) 19...Qc7 (19...Nfd7 20.Nf5 0-0 21.Nd4-+) 20.Qe6 Qe7 21.Qc8 0-0 22.Nf5? (22.Qb8 Bc7 23.Nf5-+) 22...Qc7-+ 23.Rd8? (better is 23.Qe6 Qf7 24.Qf7 Kf7 25.Nd2-+) 23…Qd8 (24.Qe6 Kh8-+; 23...Qc8 24.Rc8 Rc8 25.Ne7 Kf7 26.Nc8+/-) 0–1. Zylla,Johannes – Gabor, BS–VM C–Turnier, 1994.

9.Nh4 Be4 10.f3 Bf3 11.Nf3 Qa1 12.c4 (12.Be2 Nf6=+) 12...e6 13.cd5 ed5 (13...Bb4?! 14.Qb3 Qa5 15.de6 fe6 16.Qe6 Ne7 17.Be2=) 14.b5 Bb4 15.bc6 bc6 16.Bd3 Nf6 17.0-0 Qa7 18.Nd4 Bc5 19.Qe2 Qb7 20.Nf5 g6 21.Rc1 Qb4 (21...gf5?! 22.Rc5 Ne4 23.Rc1=) 22.Nd4 0-0 23.Qf2 Kg7 24.Nc3 Bd4 25.ed4 Nbd7 26.h3 Re8 27.Rf1 Re7 28.g4 h5 (28...h6 29.Rb1 Qd6 30.Na4-+) 29.g5-/+ Ne8 30.Rb1 Qd6 31.Ne2 Nf8 32.Nf4 Ne6 33.Ne6 Qe6 34.Kg2 Kh7 35.Qg3 Ng7 36.Rf1 Qd7 37.Qf4 Qd8 0-1. marekt (2360) - wybmadiity (2505), gameknot.com, 2021.

10.Nb3 Qa2 11.d3 Nf6 12.N1d2 e6 13.Be2 Bd6 14.0-0 0-0 15.c4 (15.f4 Nbd7=) 15...dc4=+ 16.Bf6 (better is 16.Nc4!? Bb4 17.Ne5=+) 16...cd3 17.Bd3 Opening the d–file gets Black a lot of play 17...gf6 (17...Bd3 18.Qg4 Bg6 19.Qd4 Bh2 20.Kh2 gf6 21.Ra1=+) 18.Bg6 (18.Ne4 Be4 19.Be4 Bb4 20.Bh7 Kh7 21.Qh5 Kg7 22.Qg4 Kh7 23.Qb4 Kg7+/-) 18...fg6-/+ 19.Qa1? (better is 19.Qg4 f5 20.Qc4=+) 19...Qa1-+ 20.Ra1 Bb4 21.Nc4 (21.Ra7 b5-+) 21...b5 22.Nb6 Rf7 23.Ra8 Rb7 24.Nd7 Rd7 The mate threat is Rd1 25.Rb8 Kf7 26.Kf1 e5 27.Ke2 Ke6 28.e4 Ra7 (28...f5 29.Rc8 Rd6 30.Ke3-+) 29.Rd8 Ra2 (30.Ke3 c5 31.Re8 Kd7-+) 0–1. Zimmer,Georg – Rohde,Friedhelm, corr SOK–92–86, 1992.

10.Qg4 e6 11.Ne6 Qa1 12.Ng7 Kd8 -+.

10.Qg4 e6 11.Ne6 Bb1?! 12.Nf8 Kf8 13.Bb2 -/+.

10.Qg4 e6 11.Ne6 fe6 12.Qe6 Ne7 13.Bb2 -+.

11.d3 Bd6 12.Be2 =.

11.d3 Nd7 12.Be2 Ngf6 13.0-0 Bd6 14.N1d2 0-0 15.Kh1 (15.Nf3 Ra8=+) 15...h6 (15...Ra8 16.Nf3=+) 16.h3 (16.Nf3 Qb6=+) 16...Ra8-/+ 17.Bb2 Qb6 18.Na5? (better is 18.Nf3-/+) 18...Ra5!-+ 19.ba5 Qb2 20.c4 (20.Qc1 Qb5-+) 20...Bb4 (better is 20...b5 21.a6 Qa3-+) 21.cd5? (21.Nb3-+) 21...Bd2 (21...Qd2?! 22.Qd2 Bd2 23.dc6 bc6 24.a6-+) 22.dc6 bc6 23.a6 Bc3 24.a7 (24.f4 e4 25.a7 Qa2-+) 24...Nb6 25.Bf3 (25.f4 Nfd5 26.f5 Ne3-+) 25...Qa2 26.Qc1 (26.d4 Qa7 27.de5 Ne4-+) 26...e4 (better is 26...Bd3 27.Rd1 Qc4 28.Bc6 Qc6 29.Rd3 Nfd5-+) 27.Qc3 ef3 28.Ra1 Qf2 29.a8Q Na8 30.Ra8 Kh7 31.gf3 Bh5 32.Qe1 Bf3 0–1. Lielmezs,Girts – Alvarez Villar,Horacio Nelson, TE–2004–P–01712, 2004.

11.Be2 Bd6 12.0-0 Nd7 13.d3 Ngf6 14.N1d2 0-0 15.Nf3 h6 16.c4 Ra8 17.c5 Bc7 18.Bc3 Qb8 19.Qc2 e4 20.de4 Be4 (20...de4!? 21.Nh4 Bh7=+) 21.Qd2 Bf3 22.Bf3 (22.gf3 Bh2 23.Kg2 Be5=+) 22...Bh2-/+ 23.Kh1 Ne5 (23...Be5!?-/+) 24.Qd1 Nf3 25.Bf6 Ne5 26.f4 Nc4? (better is 26...gf6 27.Kh2 Nc4=) 27.Bd4+– (27...Ra4 28.Kh2 Rb4 29.Nd2 Nd2 30.Qd2+–; 27.Kh2 Ne3 28.Be5 Qd8=+ (< 28...Nf1 29.Qf1 Qe8 30.Qf3=)) 1–0. byron_de – Steinutz, ChessWorld.net, 2002.

11.Be2 Nd7 12.0-0 Ngf6 13.d3 Bd6 14.N1d2 0-0 15.Bb2 Ra8 16.Qc2N Qb8 17.e4 Nf8 18.Ra1 Ra1 19.Na1 Ne6 20.Nab3 Qc7 21.Bf1 Be7 22.Qb1 b6 23.Qe1 h6 24.ed5 cd5 25.c4 d4 26.Nf3 Bd6 27.Nh4 Bh7 28.Nf3 Qa7 29.Nbd2 Qa2 30.Qc1 Nf4 31.c5 bc5 32.bc5 Bc7 33.Ne1 Bf5 34.c6 N6d5 35.Ne4 Qa4 36.g3 Nh3 37.Bh3 Bh3 38.f3 Ba5 39.g4 Bc3 40.c7 Qc6 (40...Nc7?! 41.Nf2 Be1 42.Qe1=) 41.Nf2 Nf4 42.Qc2 Qc7 43.Bc1 Qb8 44.Bf4 Be1 (worse is 44...ef4 45.Qd1 Qe5 46.Nc2 Bg4 47.fg4+=) 45.Bg3 Bf2 46.Kf2 h5! 47.gh5 Qb5 48.h6 f6 49.hg7 Kg7 50.Qc7 Kg6 51.Qc4 Qb2 52.Ke1 Kg7 ½–½. Pcmvr – Wolter, playchess.de, 2005.

11.Be2 Nf6 12.0-0 Bd6 13.d3 Nbd7 (13...Qb6 14.c4 Qb4 15.Bc3=+) 14.N1d2 0-0 15.Bb2 Ra8 (15...Ra8 16.Nf3 Qb8=+). Montag,Wilfrid Franz – Habedank,Dietmar, corr FRG jub40 qg39, 1986.

11.Be2 Nf6 12.d3 Bd6=+.

8.Na3 e6 9.e3 Nbd7 10.Qa4 Bd6 11.Be2 0-0 12.0-0 e5 13.Rb1 Qc7 14.h3 b5 15.Qc2 Nb6 16.Bf1 g6 17.Rc1 e4 18.Nd4 Nh5 19.Qb2 Be5 20.f4 ef3 21.Nf3 (21.gf3? Bd4 22.cd4 Qg3 23.Bg2 Bh3-+) 21...Bg7 22.Nc2 Ng3 23.Ncd4 Nf1 24.Rf1 Nc4 25.Qc1 Re8 26.Qe1 f5 27.Qh4 Re4 28.Qe1 f4 29.Ng5?? (29.Ne2!?=) 29...Re5 (better is 29...Re8-+) 30.Qh4= h6 31.Ngf3 g5 32.Qe1 (better is 32.Qh5!? Re7 33.ef4 gf4 34.Qh4=) 32...Re8 33.Nc2 fe3 34.de3 Qe7 35.Nfd4 Bd7 36.Kf2? (36.Qe2 Qe4-/+) 36...Rf8 (better is 36...Bd4 37.Nd4 Ne3-+ (37...Qe3?! 38.Qe3 Re3 39.Bb2-+)) 37.Kg1 Re8 (better is 37...Rf1 38.Qf1 Qe4-+) 38.Kf2 Be5 (better is 38...Bd4!? 39.Nd4 Ne3 40.Rh1 Qf6 41.Kg1 Ng2 42.Qg3-+) 39.Nf3 Bc7 40.Nd2 Qe5 41.Nc4 (better is 41.Nf3 Qg3 42.Kg1-+) 41...bc4 42.Ke2 Bf5 43.Kd2 Qe4 44.Rf5 Qf5 45.Qe2 Rf8 46.Nd4 (46.Bb2 Be5-+) 46...Qg6 (better is 46...Qb1 47.Nc2 Qg1-+) 47.Bb2 Bg3 48.Nf3 (48.Kc1 Rf2 49.Qd1-+) 48...Qb1 49.Bc1 Ra8 (50.Kd1 Ra2 51.Qa2 Qa2-+) 0–1. Wehmeier,Sven (1715) – Fehlings,Gerd (1745), Verbandsklasse A Muensterland, 2003.

8.Na3 Bg4 9.h3 Bf3 10.ef3 e5 11.Be2 Nbd7 12.0-0 Bd6 13.Nc2 0-0 14.Ne3 Bb8 15.Ng4 Qc7 16.Nf6 Nf6 17.d3? (better is 17.c4=) 17...e4-/+ 18.g3 ed3?? (better is 18...Nh5 19.f4 Nf4 20.de4 A) 20...de4?! 21.c4-+ (21.gf4?? Qf4 22.Qd6 Bd6 23.Rd1 Qh2 24.Kf1 Qh1); B) 20...Nh3 21.Kg2 Nf2 22.Rf2 Qg3 23.Kf1 Ba7-+) 19.Bd3= Re8 20.c4 Nh5 21.f4 (better is 21.Re1 Re1 22.Qe1+/-) 21...h6?? (better is 21...Nf4 22.Qg4 Ng6=) 22.Qh5+– dc4 (22...Qd6+–) 23.Bc4 b5 (23...Qe7 24.Qg6 Qf8 25.Bg7 Qg7 26.Bf7 Kf8 27.Qg7 Kg7 28.Be8+–) 24.Bd3 (24.Qg6 Kf8 25.Qg7 Ke7 26.Rd1 Qd6 27.Qf7 Kd8 28.Bf6 Kc8 29.Qe8 Kb7 30.Rd6 Bd6 31.Be6 Ka7 32.Qc6 Bf8 33.Bd5 Bb4 34.Qb7) 24...Qd6 25.Bc2 Qb4 (25...Kf8 26.Qg4 g6 27.f5+–) 26.Qf5 Qf8 (26...Kf8 27.Qh7 Ke7 28.Qg7 Kd7 29.Qf7 Re7+–) 27.Qh7 1–0. janusz50 – kobil, kurnik, 2013.

8.d3 Bf5 (--> 7.Nf3 Bf5 8.d3 Nf6).

8.d3 Ng4 9.e3= e5 10.h3 Nf6 (10...Nh6 11.Ne5 Bd6 12.Nf3+=) 11.Ne5+= Bd6 12.Nf3 0-0 13.Nbd2 Re8 (13...Bf5 14.Be2 Nbd7 15.Nd4+=) 14.Be2 Nbd7 (14...Na6 15.Qc2+=) 15.0-0 c5? (better 15...Ne5!?+=) 16.bc5+– Bc5 (16...Qc5 17.c4+–) 17.c4 Qc6 (17...Qc7 18.Qb1+–) 18.d4 Bb4 (18...Bd6 19.Qb1+–) 19.Qb3 Bd2 20.Nd2 dc4? (20...b6+–) 21.Bc4 Re7 (21...Rd8 22.Bf7 Kh8 23.Qb1+–) 22.Rc1 Kf8 (22...Nf8 23.Bf7! Rf7 24.Rc6 bc6 25.e4+–) 23.Bb2 Ne4 (23...Nb6 24.Ba3 Bd7+–) 24.Ne4 Qe4 25.Bd5 Nc5 26.Be4 Nb3 27.Rc8 (27.Rc8 Re8 28.Ba3 Nc5 29.Bc5 Kg8 30.Re8) 1–0. marekt – imreallylousy, net–chess.com, 2019.

8.d4 d5 9.Bb2 Ne4 10.Nbd2 e6 11.Ne4 de4 12.Nd2 f5 13.Qb3 Bd6 14.Nc4 Qc7 15.Nd6 Qd6 16.e3 0-0 17.b5 Bd7? (better is 17...Rd8+/-) 18.Ba3+– Qc7 19.Bf8 Kf8 20.Qb4 Kf7 21.b6 Qd8 22.Bc4 g5 (22...Qe7 23.Qa5 c5 24.Qa7+– (24.dc5?! Nc6 25.Qa3 Ne5+–; 24.Qc5?! Qc5 25.dc5 Ba4+–)) 23.Qc5 Qe7 (23...Qf6+–) 24.Qf5 Kg7 (24...Kg8 25.Qe4 Qa3 26.Be6 Kf8 27.Qf3 Ke8 28.Qf7 Kd8 29.0-0+–) 25.Qe5 Kh6 26.Qb8 Qa3 27.0-0 Qc3 28.Qb7 Qc4 29.Qd7 e5 30.b7 Qb5 31.Rc1 Qb2 (31...c5 32.Qb5 c4 33.Qc6 Kh5 34.b8Q c3 35.Qbe8 Kh4 36.Qh6 Kg4 37.Qee6) 32.Rc6 Kh5 33.Qh3 1–0. Rooijen Van,Peter (1675) – Boons,Lucien, 58. LSS No Engine Cup Preliminary, 2012.

8.d4 e6 9.e3 =.

8.d4 h6 9.e3 Bf5 10.Be2 e6 11.0-0 Na6 12.Qb3 Nc7 13.Nbd2 Be7 14.Bb2 0-0 15.Ra1 Ra8 16.Ra8 Na8 17.b5 cb5 18.Qb5 ½–½. Koester,Roman (2120) – Fischer,Roger (2130), Hessenliga, 2008.

8.e3 Qa7 9.Bb2 Bf5 10.d3 (10.c4 Na6 11.Bd4 Qa8=) 10...Nbd7 11.Be2 (11.Qc2 Nb6=) 11...e5 (11...e6 12.0-0=) 12.0-0 Bd6 13.Nbd2 0-0 14.e4 de4 (14...Bg6 15.Nh4=) 15.Ne4 (15.de4 Be6+=) 15...Be4 (15...Be7 16.Ng3 Bg6 17.d4+=) 16.de4+= Ne4 17.Ng5 (better 17.c4+=) 17...Ndf6?? (better 17...Ng5 18.Qd6 Nf6=+) 18.Ne4+– Ne4 19.Bf3 Nf2 20.Rf2 (20.Qd6?? Nh3 21.Kh1 Qg1 22.Rg1 Nf2) 20...Bc7 (20...Be7 21.g3+–) 21.Kf1 (21.c4 Qe3 22.Qd2 Qb3+–) 21...Qe3 (21...Qa2 22.Qc2+–) 22.Qc1 (22.Re2 Qb6+–) 22...Qc1 (22...Qd3 23.Be2 Qe4 24.c4+–) 23.Bc1 f5 (23...Ra8 24.Bb2 f5 25.Bd1+–) 24.Rd2 (better 24.Bd1!?+–) 24...e4+– 25.Rd7 (better 25.Bd1!? Bh2 26.Bb3 Kh8 27.Rd7+–) 25...Rf7= 26.Rf7 Kf7 27.Bd1 Bh2 28.Ba4 Be5 29.Bb3 (29.Bd2 Ke6=) 29...Ke8 (29...Kf6 30.c4=) 30.Bd2 b5 31.Ke2 Kd7 (31...Ke7 32.Ba2=) 32.Be1 (32.Bg8 h5=) 32...g5 33.Ke3 (33.c4 bc4 34.Bc4 Bd4=) 33...h5 34.Bf7 h4 35.Bg6 Ke6 36.Be8 Kd6 37.Bg6 Ke6 38.Be8 ½–½. Timmermans,Adri (1860) – Harding,T (2015), Reykjavik Open (10), 2017.

8.e3 h6 9.Bd3 (9.Be2 e6=) 9...Bg4 (9...Nbd7 10.Be2=+) 10.h3= Bf3 11.Qf3 (11.gf3 Nbd7=) 11...Nbd7=+ 12.0-0 (12.Qg3 g6=+) 12...Ne5 (12...Qa7 13.Bb2 Qa2 14.Ba3=+) 13.Qe2 (13.Qf5 Nd3 14.Qd3 e5=) 13...Nd3 (13...Qa7!? 14.Bb2 Qa2-/+) 14.Qd3=+ e6 15.Na3 (15.c4 dc4 16.Qc4 Qa6 17.Qa6 ba6=) 15...Be7=+ 16.Nc2 0-0 17.Bb2 Ne4 18.Nd4 (18.Ra1 Bf6=+) 18...Ra8 (18...c5 19.Nf3-/+) 19.c4 (19.Qc2!?=+) 19...Qb4-+ 20.Bc3? (better 20.cd5!? cd5 21.Bc3-+) 20...Qc4 21.Qc4 dc4 22.Rb1 Ra7 23.f3 Nd6 24.e4 (24.Kf2 e5 25.Ne2 f6-+) 24...e5 25.Bb4 (25.Nc2 f6 26.Kf2-+) 25...ed4 26.Bc5 Ra8 (better 26...Ra2 27.Bd4 Rd2 28.Be5-+) 27.Bd4 Nb5 (27...Nb5 28.Be3 Ra2-+) 0–1. tche – zvujovic, net–chess.com, 2019.

8.g3 Bf5 9.d3 Nbd7 10.Nbd2 (10.Nh4 Bg6=+) 10...Ng4 (10...e5 11.Bg2=+) 11.d4= e6 (11...Ngf6 12.Nh4 Bg6 13.Ng6 hg6 14.Qa4=) 12.Bg2 (12.Nh4 Be4 13.Ne4 de4=) 12...Be7=+ 13.h3 Ngf6 14.Nh4 (14.Qa4 Qd8=+) 14...Ne4 (14...Be4 15.Ne4 Ne4 16.Nf3=+) 15.Nf5= ef5 16.0-0 (16.g4 Bh4 17.Rf1 Bf2 18.Rf2 Nf2 19.Kf2 fg4 20.hg4 Qc7=) 16...0-0=+ 17.Kh2 (17.Nb3 Ra8=+) 17...Bd6 18.e3 (18.Qc2 Ra8=+) 18...Ra8 19.Qc2 (19.Nb3 Ra2 20.Qf3 Qb5=+) 19...Qa6 20.Nb3 b6 21.Rc1 b5 22.Bb2= Qc8 23.Ra1 Ra1 24.Ba1 h5 25.Be4 fe4-/+ 26.Nd2 h4 27.Nf1 Nf6 28.Qe2 Qf5 29.Kg2 hg3 30.fg3 Nh7 31.Qf2 Qh5 32.g4 Qh6 33.h4 Qg6 34.Qf5 Qf5 35.gf5 Kf8 36.Ng3 Nf6 37.Kh3 Ke7 38.Bb2 Bg3 39.Kg3 Ng8 40.Bc1 Kf6 41.Kf4 Nh6 42.Bd2 Nf5 43.Be1 g6 44.Bf2 Ng7 45.Be1 Ne6 46.Kg4 Kg7 47.Kh3 Kh6 48.Bg3 Ng7 49.Kg4 Nf5 50.Bf4-/+ Kg7 51.h5 f6 52.hg6 Kg6 53.Kh3 Ng7 54.Kg2 Kh5 55.Kf2 Kg4 56.Kg2 Ne6 57.Bd6 f5 58.Bh2 f4 59.ef4 Nf4 60.Kf2 Kf5 61.Bg3 Nh5 (62.Bh2 Nf6-+; 61...Nd3 62.Ke2-+) 0–1. Werk,M – Bittner,T, Meister B TBB, 1997.

9.Nbd2 =+.

9.g3 e5 10.Bg2 Bd6 11.0-0 0-0 12.Nbd2 Re8 (12...Qb5 13.Bb2=+) 13.Qc2 Qc7 14.Bb2 b5 15.Ra1 Nb6 16.Nb3 (16.Bc1 Bg4=+) 16...Na4 (16...e4 17.Nfd2 ed3 18.ed3=+) 17.Bc1= e4 18.Nfd2 ed3 19.ed3 Re1 20.Nf1 Bg4 21.Bg5 Ra1 22.Na1 Qe7 (22...Nd7 23.Ne3 Be6 24.c4=+) 23.Ne3 Be6 24.Nb3 h6 25.Bf6 Qf6 26.d4 Bd7 27.Nd2 Qg6 (27...Nb6 28.Nb3=) 28.Qg6= fg6 29.Nd1 Bf5 30.Nf1 g5 31.Nfe3 Bd3 (31...g6 32.h3=) 32.Bh3 Nb6 ½–½. Cottarelli,Franco – Kuhlmann,AEJ, corr ICCF TT–4–90 SF, 1995.

9.Nbd2= Bd6 10.e3 (10.e4 Nbd7=) 10...Nbd7 11.Be2 0-0 12.0-0 Qc7 13.Bb2 b6 (13...e5 14.e4=) 14.Qb3= Ng4 The pressure on h2 grows (14...e5 15.Ra1=) 15.h3 Nh2 (15...Ngf6 16.Ra1=) 16.Ra1 Nf3 17.Nf3 Bb7 (17...e5 18.c4=) 18.d4 (18.c4 e5=) 18...b5 (18...c5 19.Ra7 Ra8 20.Ra8 Ba8 21.bc5 bc5 22.c4=) 19.Bd3 Nb6 (19...Nf6 20.Qc2=) 20.e4 (20.Qc2 f5=) 20...de4 21.Be4 Nd5 (21...Na4 22.Qc2 Nb2 23.Qb2=) 22.Ra7 (22.Qc2 f5 23.Bd3 Nf4+=) 22...Ra8 23.Ra8 Ba8 24.Bd3 (24.Bc1 Nf6 25.Bd3 h6=) 24...Nf4 25.Bf1 (25.Bb1 Qd8=) 25...Bb7 (25...Qd8 26.g3 Nd5 27.Bg2=) 26.Bc1 Bc8 (26...Qe7 27.Bf4 Bf4 28.Qc2=) 27.Bd2 Qa7 28.Ne5 Be5 29.de5 Ng6 30.Be3 Qc7 31.f4 (31.c4 bc4 32.Qc4 Ne5=) 31...f6 (31...Nf4 32.Bf4 Qa7 33.Kh2+=) 32.ef6+= Nf4 33.c4 gf6 34.Qd1 (34.cb5 cb5 35.Bf4 Qf4 36.Bb5 Qd4 37.Kh2 Kf8=) 34...e5 (34...Nh3 35.gh3 Qg3 36.Kh1 Qe3 37.Qd8 Kg7 38.Qc8 Qf3 39.Bg2 Qd1 40.Kh2 Qd6 41.Kg1 Qd4 42.Kf1 Qc4 43.Kf2 Qc2 44.Kg3 Qc3 45.Bf3 Qe1 46.Kg2 Qb4 47.Qd7 Kh6 48.Qe6 Qd2 49.Be2=) 35.cb5+= Nd5 (35...cb5 36.Bb5 Be6 37.Qf3+=) 36.Bc4 Be6 37.Bc5 Qd7 38.b6 (38.bc6 Qc6 39.Qf3 Kh8+/-) 38...Qf7 (38...Kg7 39.Qd3+=) 39.Qf3 Kh8 40.Ba6 (40.b5 Nb6 41.Be6 Qe6 42.Bb6 (42.bc6?! e4 43.Qe3 Nd5+/-; 42.Qc6?! Qc6 43.bc6 Nc8+/-) 42...cb5 43.Bd8+–) 40...Qg8 (better is 40...Qe8+=) 41.b7 With the decisive threat Ba7 41...Qb8 42.Qf2 e4 43.Bd6!! Qd6 Deflection from a7 44.Qa7 Qb4 45.b8Q Bg8 46.Qb4 Nb4 47.Qd4 Nd5 48.Qe4 (48...Bf7 49.Bb7+–; 48.Bb7 Kg7+–) 1–0. NN – Mus, corr, 1993.

9.g3 Bd6 10.Bg2 0-0 11.0-0 Nbd7 12.Nbd2 c5 (12...e5!?+=) 13.bc5= Nc5 14.c4 Bd7? (better is 14...Ncd7!?+=) 15.Bf6+– gf6 16.Qb1 Qb1 17.Rb1 (17.Nb1?! dc4 18.dc4 Ra8=) 17...Rb8 18.Nd4 dc4 19.Nc4 Bc7 20.Nb5 Bb5 21.Rb5 b6 22.f4 e5 23.fe5 (23.f5 Na4 24.Kf2 Nc3+/-) 23...fe5+= 24.Kf2 Kf8 25.Ke3 f5 26.Kd2 Ke7 27.e3 (27.Ne3 f4 28.Nd5 Kd8 29.gf4 ef4+/-) 27...Ke6 (27...Rd8 28.Nb2=) 28.Kc3+= h6 (28...Rd8 29.Nb6 Rd3 (29...Nd3? 30.Nd5 Ne1 31.Nc7 Kd6 32.Bh3+–) 30.Kc4 Rd2 31.Bd5 Kd6 32.Nc8 Kd7 33.Kc5 Kc8 34.Be6 Kd8 35.Bf5 Rh2+=) 29.d4+/- Nd7 30.Bd5 Kf6 (30...Ke7!?+/-) 31.Bc6 ed4 32.Kd4?? (better is 32.ed4 Ke7 33.Rf5+–) 32...Nc5= 33.Bf3 Nd7 34.Kd5 Ne5 35.Ne5 Be5 36.Kc6 Rc8 37.Kd7 Rc7 38.Kd8 Rc3 39.Rb6 Kg7 40.Rb7 Kf6 41.Ke8 Bg3+= 42.Rf7 Kg6 43.Re7 Bf2 44.Re6 Kg5 45.Kf7 Be3 ½–½. Hal1958 – Jbrow, playchess.de, 2004.

9.Nbd2 Nbd7 10.Qa4 e5 11.Qa8 Qd8 (11...Ke7!?=) 12.Qb7+= Be7 (12...c5 13.Qc6+/-) 13.Nb3 (13.Qc6 0-0 14.h3 Qa8 15.Qa8 Ra8+/-) 13...0-0 (13...Bf3 14.ef3 c5 15.bc5 Bc5 16.d4 ed4 17.Nc5 Nc5 18.Bb5 Ncd7 19.0-0+/-) 14.Na5+/- e4 (14...Qc8 15.Qc6 Qb8 16.Qb7 Qb7 17.Nb7=) 15.de4 (15.Nc6 Qe8 16.de4 (16.Ne7?! Qe7 17.Nd4 ed3+=) 16...de4 17.Nfd4+–) 15...Qe8 (15...Nb8 16.Ne5 Bd6 17.Nac6 Qe8 18.Ng4 Ng4 19.ed5 Qe4-+) 16.e5+– (16.Nc6?! de4 17.Nfd4 e3+–; 16.Qc6?! de4 17.Nd4 Qb8+–) 16...Ne4 (16...Nh5 17.Qc6 Bf3 18.gf3 Ne5 19.Qd5+–) 17.Nc6 Bf3? (17...Bd8+–) 18.ef3 (< 18.gf3 Ng5+–) 18...Ng5 (18...Nef6 19.ef6 Bf6 20.Kd1+–) 19.Bb5 Nb8 (19...Ne6 20.Ne7 Qe7 21.Qd7 Qg5+–) 20.Ne7 (20...Qe7 21.Qe7+–) 1–0. pcmvr (2110) – wizardofoz (2000), net–chess.com, 2006.

9.Nbd2= Nbd7 10.e4 =.

9.Nbd2 e5 10.Ne5+= Be6 11.g3 Bd6 12.Nef3 0-0 13.Bg2 Nbd7 14.Nd4 c5 (14...Ra8!?+=) 15.bc5+– Bc5 (15...Nc5 16.0-0 Be7 17.Qc2+–) 16.0-0 Bd4 (16...Re8 17.Qc2+–) 17.cd4+– h5 (17...Rc8 18.e4+–) 18.e4 de4 (18...h4 19.gh4 Qa5 20.e5+–) 19.de4 h4 20.gh4 Bg4 21.Qb3 Qa6 (21...Ra8 22.Rb1+–) 22.Rc1 Nh5 (22...b5 23.f3 Bh5 24.e5+–) 23.Qe3 Qg6 (23...Qh6 24.Qh6 gh6+–) 24.h3 Bh3 25.Qh3 Nf4 26.Qf3 Nh5 (26...Qh6 27.Bf1 Nf6 28.e5+–) 27.Nf1 Ndf6 (27...Ra8 28.e5 Nb6 29.Ne3+–) 28.Ne3 Re8 (28...Nd7 29.Rc7 Rd8 30.Nf5+–) 29.e5 Nh7 (29...Nd7 30.Rc7 Nf8 31.Nd5+–) 30.Nf5 f6 31.Nd6 Rf8 (31...Nf8 32.Ne8 Qe8 33.Qb3 Kh7 34.Be4 Ng6 35.Bf5+–) 32.e6 f5 33.e7 Re8 34.Qd5 Kh8 35.Nf7 (35.Nf7 Kg8 36.Ne5 Qe6 37.Qe6 Kh8 38.Ng6) 1–0. marekt – tche, net–chess.com, 2019.

9.Nbd2 e6 10.Qa4 Bd6 11.Qa5 Qa5 12.ba5 Na6 13.h3 Bh5 (13...Bf3 14.gf3 Ke7 15.e4+=) 14.g4= Bg6 15.Bg2 0-0 16.0-0 Nc5 17.c4 Ra8 18.Bd4 Ncd7 19.g5 Nh5 20.Rb1 Ra5 (better is 20...Nf4!? 21.Rb7 Ne2 22.Kh1 Nd4 23.Rd7 Nf3 24.Nf3 Bf4 25.cd5 cd5-/+) 21.Rb7+/- Nf8 22.c5! Bf4 (22...Bc5 23.Nb3 Double attack (23.Nb3 Decoy)) 23.e3 Bd3 24.ef4 Nf4 0–1. Pcmvr (2175) – Martijn (1770), playchess.de, 2006.

9.Nbd2= e6 10.e4 Bd6 =.

9.Nbd2= e6 10.h3 Bf3=+ 11.Nf3 Bd6 12.Qa4 (12.e3 0-0=) 12...0-0=+ 13.Qa5 (13.e3!?=+) 13...Qa5-/+ 14.ba5 Nbd7 15.Bb2 (15.Kd2 Ra8-/+) 15...Ra8 16.g4 Ra5 17.g5 (17.Kd2 b5-/+) 17...Ra2-+ 18.Bc1 Ne8 19.h4 (19.Bg2 Nc7 20.Kd1 e5-+) 19...Nc5 20.Kd1 (20.Nd2 b5-+) 20...Na4 21.Bd2 Nc7 22.c4 (22.e3 Nb5 23.Ke1 Nac3 24.Bc3 Nc3-+) 22...dc4 23.dc4 b5 (23...Nb2 24.Kc2 Nc4 25.Kb3 Rd2 26.Kc4-+) 24.e4 (24.Kc1 Ba3 25.Kb1 Rb2 26.Kc1 bc4-+) 24...bc4 (24...Nb2 25.Kc1 Nc4 26.Be1-+) 25.e5 (25.Rg1-+) 25...Bc5 26.Ne1 (26.g6 hg6 27.Ng5-+) 26...Nb5 27.Rh3 Ra1 28.Ke2 Nd4 (29.Ke3 c3 30.Bc3 Nc3-+) 0–1. Pierred (2185) – CPT (2565), Rated game, 5m + 0s, 2005.

9.e3 Nbd7 10.d4 Bg7 11.Nbd2 0-0 12.Bd3 Qc7 13.0-0 e5 14.de5 Ne5 15.Ne5 Qe5 16.c4 Qg5 17.Nf3 Qh5 18.h3 Rd8 19.Be2 Qh6 20.Be5 Ne4 21.c5 Re8 22.Bg7 Qg7 23.Nd4 Nc3 24.Qc2 Ne4 25.Ra1 Qf6 26.Bd3 Qg5 27.Ra8 Kg7 28.Qb2 Bh3?? 29.Nf5 (29...Kg8 30.Re8#) 1–0. PeterRs – kehrsam, ChessWorld.net, 2006.

9.e3 Bg7 =.

9.g3 Bg7 10.Bg2 0-0 11.0-0 Nbd7 12.Nbd2 e5 13.Qb3 e4 14.de4 Ne4 15.Ne4 de4 16.Ng5 (16.Nd4 Nf6=) 16...e3 17.f4 Nf6 (17...Nc5 18.Qc2 Ne6 19.Ne4=) 18.c4= h6 19.c5 Qb5 20.Bf6 (20.Nf3 Be6 21.Qe3 Qb4=) 20...Bf6=+ 21.Ne4 Bg7 22.Bf3 Be6 23.Qa3 Bd5 (better is 23...Qc4=) 24.Nd6+– (24.Qe3 Qb4 25.Rd1 Be4 26.Be4 Re8-+) 24...Qa6 25.Qe3 (25.Qa6 ba6 26.Bd5 cd5+–) 25...Bf3+/- 26.Qf3 Qa8 (26...Qa4 27.Qe4+/- (27.Nb7?! Qb4 28.Qc6 Rb8+=)) 27.f5+– gf5 28.Nf5 Qd8 29.Qg4 (29.Qf4 Kh7+–) 29...Qg5 30.Rf4 Kh7 (30...Rd8 31.h4 Rd1 32.Kg2 Qg4 33.Rg4+–) 31.Ng7 Qg7 32.Qg7 (32.Qf3 Qg6+–) 32...Kg7+/- 33.Rd4 f6 (33...Ra8 34.e4+/-) 34.Rd7+– Rf7 35.Rf7 Kf7 36.Kf2 Ke6 37.Ke3 (37.g4 Kd5 38.Ke3 Kc4+=) 37...Kd5 38.Kd3 (38.Kf4 Kc4 39.Kf5 Kd4 40.Kf6 Kc4+–) 38...f5 39.h3 +–. Stabenow,Juergen – Grund,Karl, corr SOK–89–47, 1989.

9.Qc1 e6 10.Nbd2 h6 (10...Be7 11.Nh4=+) 11.g3 (11.Nh4 Bh7=+) 11...Bd6-/+ 12.Qa3 0-0 13.e3 Nbd7 14.Nh4 Bh7 (14...Bc2 15.Qa2 Bh7 16.Nhf3-/+) 15.Be2 Qc7 16.Nhf3 (16.c4 dc4 17.Nc4 Be7=+) 16...b5-/+ 17.0-0 Nb6 18.Qb3 Nc4 19.Bb2 Ra8 20.Ra1 Ra1 21.Ba1 Qa7 (21...Nd2 22.Nd2 Qa7 23.Bb2=+) 22.Bb2=+ Ne4 23.Nc4 bc4 24.Qd1 Qa2 (24...Bf5 25.Nh4=+) 25.Qc1 Bf5 (25...Qa8 26.Ne5=+) 26.Ne5 c5 27.f3 Nc3 28.Qc3 cb4 29.Qd2 Qb1 30.Qc1 Qc1 31.Bc1 c3 32.Bd1 Be5 33.de5 Bd3 34.Kf2 Bc4 35.h4 f6 (35...Ba2 36.Ke2 b3 37.Bb3 Bb3 38.Kd3-/+) 36.ef6 gf6 37.Ba4 e5 38.e4 (38.Ke1!?-/+) 38...d4-+ 39.Bh6 b3 (40.Bb3 Bb3-+) 0–1. Rushton,Darren – Luzuriaga,Norberto Horacio, TT–02 TSC, 2002.

9.Nbd2 Qa7 10.e3 b5 (10...e6 11.Be2=) 11.Ne5 (11.Nh4 Bc2 12.Qc2 Qa1 13.Nb1 Qa4=) 11...Ne4 (better is 11...e6!?=) 12.Ne4 Be4 13.f3 Bf5 14.Bd3 Bd3 15.Nd3 e6 16.0-0 (16.e4 Bd6=) 16...Bd6 17.e4 0-0 18.Bb2 (18.e5 Be7=) 18...Nd7 19.Bc1 (19.Qe2 Ra8=) 19...Ra8 20.Qe2 White prepares e5 (20.Qe1 Nb6=) 20...Nb6 (20...Qa2 21.Bd2=+) 21.e5 (21.Bg5 Qa2 22.Qa2 Ra2=+) 21...Be7=+ 22.Bb2 (22.f4 Qa2 23.Bb2 Qb3=) 22...Qb8 23.Ra1 (23.Bc1 Nc4=+) 23...Ra4 (23...Ra1 24.Ba1 Nc4 25.Bb2=+) 24.Qd1 (24.Ra4 ba4 25.Bc1 Nc4=+) 24…Qa7 (25.Ra4 Qa4=+). Frysiak,Adam – Mus,Roman, corr 2. AMM Poland, 1994.

9.Nbd2= Nbd7 10.e3 e6 11.Nh4 Bg6 12.Ng6 hg6 13.Nf3 Bd6 14.Bd3 e5 15.de5 Ne5 16.Ne5 Be5 17.h3 g5 18.Qa4 Ke7 19.0-0 g4=+ 20.c4 Qc7 21.Be5 Qe5-/+ 22.Qa7 gh3-+ 23.Qb7 Nd7 24.g4 dc4 25.Bf5 Qd6 26.Qd7=+ Qd7 27.Bd7 Kd7 28.Rc1 h2 29.Kh1 f6 30.Rc4 Rh3 31.Rd4 ½–½. Johansson,Mats – Lielmezs,Girts, IECG, 2004.

9.Nbd2 e6 10.e3 Bd6 11.Be2 (11.Nh4 Be4=) 11...h6=+ 12.0-0 0-0 13.Qb3 Nbd7 14.b5 Ra8 15.Bb2 (15.c4!? c5 16.cd5 ed5 17.dc5 Nc5 18.Qd1=) 15...cb5=+ 16.Bb5 Ra5 17.c4 dc4 18.Bc4 Qb3 19.Bb3 b5 20.Rc1 Ra8 21.h3 (21.Rc6 Bb4=+) 21...Kf8 22.Ne5 (22.g4 Bh7=+). Johansson,Mats – Plock,Joerg, CF–01 b2–b4.com, 2005.

9.Nbd2 e6 10.Nh4 Bd6 11.Nf5 ef5 12.Qc2 g6 (12...f4 13.g3+=) 13.e3= 0-0 14.Bd3 Nbd7 15.0-0 Qc7 16.h3 b5 17.Nb3 Ra8 18.Bb2 Ne4 19.Ra1 Ra1 20.Ba1 Nb6 21.Na5 Nc4 22.Bc4 dc4 23.Bb2 Nf6 24.Bc1 Nd5 25.Qd2 Kg7 26.Qe1 Nf6 27.Bb2 Bh2 28.Kh1 Bd6 29.Qe2 Nd5 30.Qf3 f6 31.Qe2 Qd7 32.Kg1 Bb8 33.Qf3 Qc7 34.Kf1 Ba7 35.g4 fg4 36.hg4 Bb6 37.e4 Nf4 (worse is 37...Ba5 38.ed5 (38.ba5?! Nf4=) 38...Bb6 39.dc6+/-) 38.Bc1 Nd3 39.g5 Ba5 40.Qf6 Kg8 41.ba5 Qa5 (41...Nc1 42.Qe6 Kf8 43.Qe5 Qa5 44.Qf4 Ke7 45.Qc1+/-) 42.Qe6+= Kh8 (42...Kg7 43.Qd7 Kg8 44.Bd2+=) 43.Qe7 (43.Qf7 Qa8 44.Bf4+/-) 43...Qa8? (better is 43...Kg8+=) 44.d5!+– cd5 45.Be3 Kg8 46.Qe6 Kf8 47.Qf6 Kg8 48.Bd4 Qf8 49.Qh8 Kf7 50.Qh7 Ke8 51.Qg6 Qf7 52.Qc6 (52.Qc6 Qd7 53.Qd7 (53.Qd5?! Qh3 54.Kg1 Qg4 55.Kh2 Qh4 56.Kg1 Qg4 57.Kh1 Qh5 58.Kg1 Qg4=) 53...Kd7 54.g6+– (54.ed5?! Nf4+/-)) 1–0. Nemec,Zdenek – Rozvoda,Viktor, Czech Republic ch EP II–1, 2000.

9.Nbd2 e6=+ 10.Nh4 Bg4 11.h3 Bh5 12.g4 =.

9.Nbd2 e6 10.Nh4 Bg6 =.

9.Nbd2 g6 10.e3 (10.h3 Bh6=) 10...Bg7 11.h3 (11.Be2 0-0=) 11...0-0 12.Nh4 (12.g4 Be6=) 12...Bc8 (12...Bd7 13.Bd3=) 13.Bd3 Nbd7 14.Nhf3 Ne8 (14...Re8 15.Qa4=) 15.0-0 Nd6 (15...e5 16.de5 Ne5 17.Ne5 Be5 18.e4=) 16.e4 (16.Qb3 Nf6+=) 16...e5= 17.ed5 cd5 18.de5 Ne5 19.Ne5 Be5 20.Re1 Re8 21.Nf3 Bf4 (21...Bg7 22.Re8 Ne8 23.Be2=) 22.Re8 Ne8 23.Nd4 (23.Qb3 Be6+=) 23...Bd7 (23...Nf6 24.Bb2=) 24.Qf3+= Qd6 25.c4 Qb4 (25...dc4 26.Bc4 Qc7 27.Bf1=) 26.Qf4 Qe1 27.Bf1 (27.Kh2 Qa1 28.cd5 Qc3+=) 27...Qa1= (28.cd5 Qd1+=). Van Rooijen,Peter – Cohoon,Bobby, C–2001–555 FCV, 2001.

9.e3 Nbd7 10.Bd3 Bd3 11.Qd3 e6 12.0-0 Be7 13.Nbd2 0-0 14.Nb3 (14.e4 Ra8=) 14...Ra8=+ 15.Bb2 Ra2 16.Qc2 Qa6 17.Nfd2 Qe2?? (better 17...Bd6=+) 18.Nc1+- Rb2 19.Qb2 (19.Ne2?? Rc2 20.Rd1 Nb6-+) 19...Qg4 (19...Qb5 20.Ncb3+-) 20.Nf3 (20.Qa1 Qf5+-) 20...Bd6 (20...Qg6 21.Nb3+-) 21.Ne2 (21.Qa1 Nf8+-) 21...h5 (21...e5 22.de5 Ne5 23.Ne5 Be5 24.Nd4+-) 22.h3 (22.Qa1 b5+-) 22...Qg6 23.Qb1 (23.Qa1 Qd3 24.Qa8 Nb8+-) 23...Ne4 (better 23...Qb1 24.Rb1 Kh7+-) 24.Qd3?? (24.Qa2 Bf8+-) 24...Ndf6?? (better 24...Ng3 25.Nf4 A) 25...Nf1?? 26.Ng6 (26.Kf1?! Qd3 27.Nd3 b5=; worse 26.Qf1 Qc2=+) 26...fg6 27.Qg6+-; B) 25...Qd3 26.Nd3 Nf1 27.Kf1 b6=) 25.Kh1?? (better 25.Ra1+-) 25...Ng3! 26.Ng3 (26.Ng3 Qd3 Discovered attack; 26.fg3 Qd3 Discovered attack) 26...Qd3 27.Ra1 Qc3 28.Ra8 Kh7 29.Ng5 Kg6 30.Nf3 Qc1 31.Ng1 (31.Kh2 Ne4 32.Rd8 Qc2 33.Ne5 Be5 34.de5 Nf2-+) 31...Bg3 (better 31...h4!? 32.N3e2 Ne4 33.f4 (33.Nc1?? Nf2) 33...Qe3 34.g3 hg3 35.Ra3-+) 32.fg3 Ne4 33.Kh2 Nf2 (better 33...Qe1!? 34.Nf3 Qg3 35.Kh1 Nf2 36.Kg1 Nh3 37.Kh1-+) 34.Nf3 (34.Ra7-+) 34…Qh1 0-1. ClayPigeons (2100) - MartijnOtten (2105), Rated Bullet game, lichess.org, 2020.

9.e3 Nbd7 10.Bd3 Bd3 11.Qd3 e6 12.Nbd2 Bd6 13.Nb3 (13.e4 de4 14.Ne4 Ne4 15.Qe4 0-0=+) 13...0-0 14.0-0 Ne4 15.Nc5 Qc7 (better 15...Ndf6!?=+) 16.Ne4+= de4 17.Qe4 Nf6 18.Qd3 Ng4 19.g3 (19.h3 Nf6+/-) 19...h5 (19...Ra8 20.Ng5 Nf6 21.f4+=) 20.c4 (20.Ng5 Nf6+-) 20...f5 (better 20...Bb4!? 21.Rb1 Be7+=) 21.c5+- Be7 22.Ne5 (22.h3 Nf6+-) 22...Ne5+/- 23.de5 Rd8 24.Qe2 Rd5? (24...b6 25.Bd4 bc5 26.bc5+/-) 25.Rd1 (25.Qh5!? Bf8+-) 25...g6 (25...h4 26.gh4 b6 27.Rd5 ed5 28.Qh5 bc5 29.Qe8 Bf8 30.bc5+-) 26.Rd5 (26.Bd4 Qd7+-) 26...cd5+/- 27.Bd4 b6? (27...Qc6 28.Qd3+/-) 28.Qc2 (28.Qa6 bc5 29.Qe6 Kg7 30.bc5 Bc5 31.Qd5+-) 28...bc5+/- 29.Bc5 (29.bc5 Bf8+/-) 29...Bc5 30.Qc5 Qb7? (30...Qe5 31.b5 Qa1 32.Kg2 Qa5+-) 31.b5+- Kf7 32.b6 Ke8 33.f3 (better 33.Qd6 Qc8 34.Kg2+-) 33...Kd7?? (33...g5+-) 34.Qf8 (better 34.Qd6 Ke8 35.Qe6 Kd8 36.Qd6 Ke8 37.Qg6 Kd8 38.e6 Qb6 39.e7 Ke7 40.Qb6+-) 34...Qb6= 35.Qf7 Kc6?? (better 35...Kc8 36.Qf6 g5=) 36.Qe6+- Kc5 37.Qb6 Kb6 38.Kf2 (better 38.Kg2!? Kc6 39.Kh3 Kd7+-) 38...Kc6 39.f4 Kc5 (39...Kd7 40.Kg2 h4 41.Kh3 hg3 42.Kg3+-) 40.Ke2 Kc6 41.Kd3 Kc5 42.h3 Kc6 43.Kd4 Kd7 44.Kd5 Ke7 45.e4 fe4 46.Ke4 Ke6 47.g4 h4 48.f5 gf5 49.gf5 Ke7 50.Kf4 (50.Kf4 Ke8 51.Kg5 Kf7 52.Kh4 Ke7 53.Kg5 Kf7 54.h4 Ke8 55.h5 Kd7 56.e6 Kc8 57.f6 Kc7 58.f7 Kb7 59.e7 Kc6 60.e8Q Kc5 61.f8Q Kd5 62.Qb5 Kd4 63.Qd6 Ke4 64.Qbd3) 1-0. danishguy (2140) - Krondorfer (2020), Rated Bullet game, lichess.org, 2020.

9.Nh4 Bg4 10.Qc1 (10.Nf3 Ne4=+) 10...e6 11.f3 Bh5 12.g4 Bg6 13.Ng6 hg6 14.g5 Nfd7 15.e4 de4 (15...e5 16.de5 Ne5 17.Be2=+) 16.fe4 e5 (16...Bd6 17.e5 Be7 18.Bd3+=) 17.de5 (17.d5 cd5 18.ed5 Bd6=) 17...Rh4 (17...Ne5 18.Be2=+) 18.Bg2= Ne5 19.Qd2 Qa6 20.Bb2 Qd3 21.Kf2?? (better is 21.Qc1=+) 21...Ng4-+ 22.Kg1 Qb1 23.Bc1 (23.Qc1 Qd3-+) 23…Nd7 (24.h3 Nge5-+) 0–1. Petrini – Pommerel,Wim, CIF–TT–94–0013B, 1994.

10.Qa4 e6=+ 11.Nh4 (11.Qa5 Qd8=+) 11...Bh7 12.g3 (12.Nhf3 Bd6=+) 12...Bd6 (12...e5 13.Nhf3 e4 14.Ne5=+) 13.Bg2 0-0 14.0-0 (14.Nhf3 Nbd7=+) 14...Na6-/+ 15.Bb2 (15.Nhf3 Ra8-/+) 15...c5 (15...Ra8 16.Ra1-/+) 16.dc5 Bc5 17.Qa5 (17.b5 Ra8 18.c4 Nc7=+) 17...Qa5 (17...Ra8 18.Nb3-/+) 18.ba5=+ Ra8 19.Nhf3 (19.c4 Bb4 20.Bf6 Bd2=+) 19...Ne4 20.Ne4 Be4 21.Ra1 (21.Nd2 Bg2 22.Kg2 Be7=+) 21...Nb8 22.Nd4 Bg2 23.Kg2 Nd7 24.Nb3 Be7 25.Ba3 Ba3 26.Ra3 b6 27.f3 ba5 28.Na5 Nc5 29.g4 Kh7 30.h4 Kg6 31.h5 Kg5 32.Kg3 Ra7 33.e3 Ra6 34.Kh3 f5 35.f4 Kf6 36.Kg3 Ne4-/+ 37.Kh4 fg4 38.Kg4 Nc3 39.Rc3 Ra5 40.Rb3 g6 41.hg6 Kg6 42.Kg3 h5 43.Rb1 Ra7 44.Rh1 Rh7 45.Rg1 Kf6 46.Kh4 Rd7 47.Rg5 d4 48.ed4 Rd4 49.Rh5 Rf4 50.Kg3 e5 ½–½. Luzuriaga,Norberto Horacio – Barnsley,Anthony, corr CON–MGB–E–I–B, 2000.

10.Bb2 e6 =+.

10.b5 cb5?! 11.Qb3 =+.

10.b5 cb5 11.e3 =+.

10.b5 Qb5? 11.e4 Qa5 12.ef5 +–.

10.b5 Qb5? 11.e4 Qb6 12.ef5 +–.

10.b5 e6 11.e3 cb5 12.Qb3 =+.

10.b5 e6 11.e3 Nbd7 12.Be2 (12.bc6 bc6 13.Be2 Be7=) 12...Be7 (12...cb5 13.Qb3=+) 13.Qa4 (13.c4 cb5 14.cd5 ed5= (< 14...Nd5 15.e4+–)) 13...0-0=+ 14.0-0 Rc8 15.Rc1 Ne4 (15...c5 16.c4=) 16.bc6 bc6 (16...Qc6? 17.Bb5 Ndc5 18.Bc6 Na4 19.Ba4+–) 17.Ne4 Be4 18.c4 Qb7 19.Qd1 Ra8 20.Bc3 Ra3 21.Nd2 Bg6 22.Nf3 Bf5 (22...Qb3 23.Qe1=) 23.Be1 (23.Qe1 Nf6=) 23...Qb2 (23...Ra2 24.Bc3=) 24.Qd2 (24.Bd2 Ra2 25.cd5 cd5=+) 24...Qd2 (24...Ra2 25.Qb2 Rb2 26.Kf1=) 25.Bd2 Nb6 26.cd5 cd5 27.Bf1 (27.h3 Be4 28.Rc6 Bf3 29.gf3 Ra2 30.Rb6 Rd2 31.Rb8 Kh7=+) 27...Bd3 28.Bd3 Rd3 29.Kf1 Ra3 (29...Nc4 30.Ke2 Rb3 31.Ne5=) 30.Rc6 (30.Rb1 Bd8=) 30…Rb3 (30...Nc4 31.Rc8 Kh7 32.Rc7=) ½–½. Bonetti,Shane – Schaefer,Uwe, T8–09.56 ETC, 2003.

10.b5 e6 11.e3 Be7 12.Qb3 0-0 13.Be2 (13.c4 cb5 14.Bc3 Qc7 15.Qb5 Nc6=+) 13...cb5 14.0-0 b4 15.Bb2 (15...Nc6 16.c4=+; 15.c4 Nc6=+). Woelfelschneider,Peter – Pleschke,Helmut, Tigerschachclub, 2001.

11.Bb2 Bd6 12.Qb3 (12.Be2 0-0=+) 12...0-0 13.b5 Nbd7 14.c4 c5 15.Be2 (15.cd5 ed5 16.dc5 Nc5=+) 15...Ra8= 16.0-0 Qc7 (16...Ra7 17.Rd1=) 17.Rc1 (17.cd5 cd4 18.Bd4 Nd5=) 17...b6 (17...Ng4 18.h3 Ngf6 19.cd5 Nd5 20.e4+=) 18.dc5 (18.cd5 ed5 19.dc5 bc5=) 18...Nc5=+ 19.Qd1 Ng4 h2 becomes the focus of attention 20.g3 Bd3 (20...Ra2 21.Bd4 e5 22.Bc5 Qc5 23.cd5=) 21.cd5 Be2 22.Qe2 ed5 23.Nb1 (23.h3 Ra2 24.Rc2 Nf6=) 23...Qd7 (23...Ra2 24.Nd4=) 24.Nc3 (24.Nd4 Be5=) 24...Ne4 25.Ne4 (25.Nd5 Qb7 (25...Ngf2? 26.Nb6 Qb7 27.Na8 Qa8 28.Qc4+–) 26.Rc6 Ngf2+=) 25...de4 26.Nd2 Ra2 (better is 26...Qf5!?=+) 27.Ne4+= Ba3 28.Rc2 Bb2 29.Rb2 Rb2 30.Qb2 Qd1 31.Kg2 Qd5 32.Qd4 Qb5 33.h3 Ne5 34.Nd6 Qc5 ½–½. Benassi,Aspasio – Luehrig,Walter, Orang–Utan Invitational, 2001.

12.0-0 0-0 13.Bb2 Nbd7 =+.

12.0-0 0-0 13.Ne1 Nbd7 14.Bd3 (14.Nef3 Ra8=+) 14...Ra8 (14...Bd3 15.Nd3 Ra8 16.Bb2-/+) 15.Bf5=+ ef5 Black gets the initiative 16.Nd3 Qc7 17.g3 Ne4 18.Ne4 (18.Nb3!?=+) 18...fe4-/+ 19.Nf4 (19.Nc5 Nf6-/+) 19...Nb6 20.f3 (20.Qg4 Bf4 21.ef4 Nc4-/+) 20...Bf4 (20...Nc4 21.Re1-+) 21.ef4 Nc4 22.Qe1 (22.Re1 e3-+) 22...e3-+ 23.Qe2 b5 24.Bb2? (better is 24.Re1-+) 24...Ra2 25.Qd3 (25.Rb1-+) 25...Rb2 (25...Nb2?! 26.Qe3 Nc4 27.Qe8 Kh7 28.Re1-+) 26.Re1 Qa7 27.Re2 (27.Qf5-+) 27...Qa1 28.Kg2 White threatens to counter with h4 28...Rd2 (29.Rd2 ed2-+) 0–1. Hasler,Ulrich (1905) – Pfaffel,Thomas (1995), IECG, 2000.

12.0-0 0-0 13.Nh4 Bh7 14.g3 (14.Nhf3 Nbd7=+) 14...Nbd7-/+ 15.Qb3 e5 16.b5 Ra8 (16...c5 17.de5 Be5 18.c4=+) 17.c4=+ Ra3 18.c5 Qa7 (18...Qa5 19.Bc3 Qc3 20.Qc3 Rc3 21.bc6 Bc5 22.cd7=+) 19.Qd1= Be7 (19...Bb8 20.Bb2 Ra2 21.de5 Ne5 22.Be5 Be5 23.b6-/+) 20.Bb2 (better is 20.de5 Ne4 21.Ne4 Be4 22.f3=) 20...Ra2-/+ 21.Qb3 (< 21.de5 Rb2 (21...Bc5?! 22.Bd4 Bc2 23.Qc1=+) 22.ef6 Bf6-+) 21...Ne4 22.Ne4 Be4 (22...de4? 23.Bh5 Rb2 24.Qf7 (24.Qb2?! ed4 25.ed4 Bh4 26.gh4 Qb8+–) 24...Kh8 25.Qe7+–) 23.Bg4 Nf6 24.Bc8 ed4 25.ed4 Qa8 (25...Ra5 26.Nf5 Bf8 27.bc6 bc6 28.f3-/+) 26.bc6 (26.Nf5 Bf8 27.bc6 A) 27...Qc8 28.cb7 Qf5 29.f3 (29.Qa2?? Qf3 30.b8Q Qg2) 29...Rb2 30.Qb2+–; B) 27...bc6=) 26...bc6 Opening the b–file gets Black a lot of play 27.f3 (27.Nf5 Ra7 28.Ne7 Re7=+) 27...Bd3 (27...Bc2 28.Qc2 Qc8 29.Qb1=) 28.Qd3= Rb2 29.Bh3 Nh7 (29...Qa2 30.Re1 Bd8 31.Rd1=+) 30.Nf5 Bf6 Black is in command 31.f4 (better is 31.Qe3=) 31...Qa2-+ 32.Rd1 Rh2 Threatening mate... how? 33.Qf1 Rb2 34.Ne3 Qa3 35.Qe1 Qa4 36.Qc3 Rb3 37.Qc2 Qb4 38.Bf5 Nf8 39.Rb1 Rb1 40.Qb1 Qb1 41.Bb1 Bd4 42.Kf2 Bc5 43.Ke2 Ne6 44.Ng4 0–1. Maetz,Erich – Repanic,Frane, World Cup XII P070, 2000.

12.Qa4 0-0 13.b5 Nbd7 14.0-0 Rc8 15.Bb2 c5 16.c4 Qd8 17.Ne5 Nb6 18.Qb3 Ne4 19.Ne4 Be4 20.f3 dc4 21.Bc4 Nc4 (21...Be5!? 22.Be6 c4 (22...fe6?! 23.Qe6 Kh8 24.Qe5=) 23.Bf7 Kh8-+) 22.Nc4+= Bd5 23.Qd3 Bb8 24.f4 Ba7 25.Ne5 f6 26.e4 (26.Nf3!? c4 27.Qc2 Bf3 28.Rf3+=) 26...fe5-/+ 27.ed5 ed4 (27...c4!? 28.Qa3 Bd4 29.Bd4 ed4 30.de6 d3-/+) 28.de6-/+ c4 29.Qf5 Qf8 (29...Qe7!?-/+) 30.Qd5= Kh8 31.Bd4 Rd8+= 32.Qb7 Bd4 33.Kh1 Bf6 34.Qe4 Rc8 35.b6-/+ c3 36.b7 Rb8 37.g4 Qe7 38.g5 hg5-+ 39.fg5 Qb7?? 40.Qb7= Rb7 41.gf6 gf6 42.Rc1 (42.Rf6? c2 43.Rf8 Kg7-+) ½–½. Koester,Roman (2120) – Flach,Erich (2160), Hessenliga, 2007.

12.Nh4 Bh7 =+.

9.Nbd2 e6 10.e3 =+.

9.Nbd2 e6 10.h3 Bf5 11.Nh4 Be4 12.e3 Bd6 13.Be2 0-0 14.0-0 h6 15.Bb2 Nbd7 16.Qa4 Qc7 17.Ra1 Nb6 (17...Re8 18.Nhf3=+) 18.Qb3 Bh7 19.Nhf3 Rb8 20.c4 dc4 21.Nc4 Nc4 22.Qc4 b5 23.Qb3 Nd5 24.Bc3 Qe7 25.Ne5 Be5 (25...Be4!?=+) 26.de5+= Be4 27.g3 c5 28.bc5 Qc5 29.Bd4 Qc2 30.Qc2 Bc2 31.Rc1 Nb4 32.Kf1 Bf5 33.g4 Bg6 34.Rc5 Bd3 35.Bd3 Nd3 36.Rc3 Nb2 37.Ke2 ½–½. Hind,Alan – Myrberg,Johnny, corr 3GMM½–05, 1998.

9.Nbd2 e6 10.h3 Bh5 11.g4 Bg6 12.Ne5 Bd6 13.Ng6 fg6 14.e4 Bf4 (< 14...de4 15.g5 Nd5 16.Ne4+=) 15.ed5 ed5 16.Qe2 Kf7 17.Qf3 Re8 (17...Qa7 18.Qf4 Re8 (18...Qa1?! 19.Ke2-/+) 19.Kd1 Qa4 (19...Qa1?! 20.Kc2-/+) 20.Nb3 Qb3 21.Kd2 Qa2 22.Kd3 Re1-+) 18.Be2-/+ Qa7 Do you see the mate threat? 19.0-0?? (better is 19.Nb3 Qa2 20.0-0=+) 19...Bd2-+ 20.b5 (20.Rd1 Qa2 21.Bd3 Kg8-+) 20...Kg8 (20...Qa3 21.bc6 bc6 22.Qd3-+) 21.bc6 bc6 22.c4 Ne4 23.cd5 cd5 24.Qb3 Qa5 25.Bb5 Rd8 26.Bd3 Ng5 27.Kg2 Qc7 28.Be2 Qf4 29.Qb5 (29.Qg3 Qe4 30.Bf3 Qe6-+) 29...Qe4 30.f3 Qc2 (30...Qe3!? 31.Rb1-+) 31.Qd3 Qd3 32.Bd3 Nc6 (32...Ne6 33.Rd1 Be3 34.Bb5-+) 33.Bb5 Na5 34.f4 Ne4 35.f5 g5 (35...Nc4!? 36.Bc4 dc4 37.Kf3 gf5 38.gf5-+) 36.Bd3 Nc4 37.Rb1 Ra8 38.Bc4 dc4 (39.Kf3 Nf6-+) 0–1. Hasler,Ulrich – Schipper, corr, 1989.

9.Nbd2 Bf3 10.ef3 Nbd7 (10...e6 11.Bd3+=) 11.Bd3 (11.Qa4 Qc7=) 11...e6+= 12.0-0 (12.Qa4 Qc7=) 12...Bd6 13.Qa4 (13.Re1 Qc7 14.Nf1 0-0+=) 13...0-0 14.Re1 Qc7 15.Nf1 (15.h3 b5 16.Qc2 Ra8+=) 15...e5 (15...b5 16.Qc2+=) 16.Ng3 ed4 (16...b5 17.Qb3+=) 17.cd4 Nb6 (17...b5 18.Qa5=) 18.Qb3= Ra8 19.b5 (19.Bb2 Ra4=) 19...Ra3+= 20.Qb1 Ra4 (20...cb5 21.Bb5 Nc4 22.Bc4 dc4 23.Bb2-/+) 21.bc6= bc6 22.Bc2 Ra8 23.Bb3 g6 24.Qc1 Bf4 25.Qc3 Ne8 26.Nf1 Nd6+= 27.Qd3 Nbc4 28.g3 Bh6 29.Ne3 Re8 30.f4 Re6 31.Kg2 Qe7 32.Re2 Bg7 33.Kf1 Qa7 (33...Ne3 34.fe3 Nf5 35.Kf2+=) ½–½. Koch,Berthold – Dluhosch,Thomas, corr BdF, 1984.

9.Nbd2 Bf3 10.gf3 g6 (10...Nbd7 11.Qa4 Qd8 12.e4=+) 11.Qa4 Bg7 (11...Qd8 12.Qc2=) 12.e3 (12.Qa5 Nfd7=) 12...0-0 (12...Qc7 13.c4=) 13.Bd3 (13.Qa5 Qd8=) 13...Na6 (13...Qc7=) 14.Ba6 (14.Qa5 Qa7=) 14...ba6 (14...Ra8 15.Bb2-/+) 15.Nb3 (15.c4 dc4 16.Nc4 Qb5 17.Qb5 cb5=+) 15...Nd7 (15...Qb5 16.Qa2=+) 16.Bb2 e5 17.0-0 ed4 (17...Qb5 18.Qb5 ab5 19.Ra1=+) 18.cd4= Rb8 19.Bc3 Bf8 The pressure on the isolated pawn grows (19...Ra8 20.Rc1=) 20.Nc5 The isolani on a6 becomes a target 20...Nc5 21.dc5 Qb7 (21...Qb5 22.Ra1 Qa4 23.Ra4=) 22.Ra1+= Ra8 23.Qa5 Bg7 24.Bg7 Kg7 25.Kf1 Qc8 26.Ke2 Qe6=+ 27.Qc7 d4 28.Kf1 de3 29.fe3 Qf6 30.Ra3 Qf3-+ 31.Kg1 Qd1 32.Kf2-/+ Qd2 33.Kf3 Qd5 34.e4 Qd1-+ 35.Kg2 Qe2 36.Kg3 Qe1 37.Kf3 Qf1 38.Kg3=+ Qg1 39.Kf3 Qf1 40.Kg3=+ Qf6 41.Rf3 Qe6 42.e5 The backward pawn on f7 becomes a target 42...h5 43.Rf6= Qb3 44.Kf2 Qa2 ½–½. Voelschow,Andreas (1850) – Alexas,Alexander, Landesliga Ost2, 2002.

9.Nbd2 Bf3 10.Nf3 e6 =.

9.e3 e6 10.Nbd2 Bd6 11.Bd3 0-0 12.e4 (12...e5 13.de5 Be5 14.0-0=) =. Woschkat,Karl_Heinz – Urlau,Thomas, DESC, 1998.

9.Bd3 e5=+ Black gets the initiative 10.Bc2 e4 11.Nd4 Ne5 12.0-0 Bd6 13.d3 (13.f3 0-0=+) 13...Qa6-/+ 14.Nd2 ed3 15.Bb3 0-0 16.Bb2 Nc4 17.Bc4 dc4 18.Qa1 b5 19.Qa6 Ba6 20.Nc6 Nd5 (20...Ra8 21.Nd4 Ng4 22.h3=) 21.Ra1 Nc7 22.f4 (22.Nd4!?-/+) 22...Re8-+ 23.Re1? (better is 23.Kf2-+) 23...Bf4! 24.Kf2 Bh2 25.g3 Nd5 26.Bc1?? Nc3 27.Nd4 Bb7 28.Nf1 Ne4 29.Kg2 d2 30.Nd2 Bg3 (31.Rg1 Bf2 32.Ne4 Bg1 (32...Be4?! 33.Kf2 Re5 34.Bd2-/+; 32...Re4?! 33.Kf2 Re5 34.Bb2-/+) 33.Kg1 Be4 34.Nb5 Rb8-+) 0–1. Hasler,Ulrich – Berner,Giancarlo, CiF, 1990.

9.d4 e6 10.Nbd2 Bd6 11.Be2 e5 12.de5 Ne5 13.0-0 0-0 14.Ne5 Be5 15.Nf3 Bb8 16.c4 Qb4 17.Bf6 gf6 18.cd5 Rd8 19.Qa1 Qd6 20.dc6 bc6 21.Rd1 Qe7 22.Rd8 Qd8 23.Nd4 c5 24.Nc6 Qd6? (better is 24...Qd2 25.Bf3 Bd6+=) 25.Nb8+– Qb8 26.Qf6 Qb1 27.Bf1 Qf5 (27...Bb7 28.Qd8 Kg7 29.Qg5 Qg6 30.Qe5 Qf6 31.Qc5+–) 28.Qf5 (better is 28.Qd8 Kg7 29.Bd3+–) 28...Bf5+/- 29.Bc4 Kf8 30.Kf1 f6 31.Ke2 Ke7 (31...Bd7 32.e4+/-) 32.Kd2 (32.Bd3 Bg4 33.f3 Be6 34.Bh7 f5+–) 32...Kd6? (32...h5 33.g3+/-) 33.f3 (better is 33.Bd3!? Bc8 34.Bh7+–) 33...Bd7 34.e4 Ke5 35.Ke3 Ba4 36.f4 Kd6 37.g4 h6 38.h4 White prepares g5 38...Bd1 39.g5 fg5 40.fg5 (better is 40.e5!? Ke7 41.hg5 hg5 42.fg5+–) 40...hg5+= 41.hg5 Bh5? (better is 41...Ke5+=) 42.Kf4+– Bg6 43.Bd3 Ke6 44.Bc4 Kd6 45.Bd5 Bh7?? (better is 45...Ke7+–) 46.Bf7 Be4 (46...c4 47.g6 c3+–) 47.Ke4 Ke7 48.g6 Kf8 49.Kd5 Kg7 50.Kc5 1–0. kaasparov – nosc (1695), kurnik, 2014.

9.Be2 e5=+ 10.0-0 Bd6 11.Na3 0-0 12.Qc2 e4 13.Nd4 Ne5 14.f4 ef3 15.Nf3 Qc7 (15...Bg4 16.Bb2=+) 16.Ng5 Ng6 17.Nf3 Ng4 (17...Re8 18.Qd3=+) 18.h3= Bh2?? (better is 18...N4e5=) 19.Kh1+– Qg3 (better is 19...Bd6 20.hg4 Bg4+–) 20.Qd1?? (20.hg4 Bg4 21.Bd3 Nh4+–) 20...Bg1!! 21.Qe1?? (21.Ng1 Qh2) 21...Bf2-+ 22.Qd1?? (better is 22.Rf2 Nf2 23.Kg1-+) 22…Nh4 (23.Rf2 Nf2 24.Kg1 Qg2#) 0–1. Lanca,I (2095) – Novosak,Jiri (2160), Konik op Czechia, 1995.

9.Be2 e5 10.0-0 Bd6 11.Na3 0-0 12.Nc2 Re8 13.c4 dc4 14.Bc4 Nf8 15.Bc3 Ng6 16.Qa1 Bg4 17.Qa5 Now all is on e5 17...Qa5 18.ba5 Bf3 19.gf3 Nd5 (19...Rd8 20.Rb1 Rd7 21.Ra1=) 20.Bd5+= cd5 21.Rb1 Re7 22.Bb4 (22.Rb5 d4 23.ed4 ed4 24.Bd4 Nh4+=) 22...Bb4= 23.Rb4 Rd7 24.d4 f6 25.Rb5 Ne7 (25...Nh4 26.Ne1=+) 26.Nb4 (26.de5 fe5 27.Nb4 d4 28.Re5 Ng6 29.Re8 Kf7=) 26...Kf7 (26...ed4 27.ed4 Nf5 28.Nc2=+) 27.Nd3 (27.de5 fe5 28.Nd3 Nc6+=) 27...ed4= 28.ed4 (28.Nc5 Rc7=) 28...Nc6=+ 29.Nc5 Re7 (29...Nd4 30.Rb7 Rb7 31.Nb7-/+) 30.Rb7 (better 30.Nb7!? Nd4 31.Rd5 Nf3 32.Kg2 Nh4 33.Kg3 Rb7 34.Kh4=) 30...Na5=+ (worse 30...Nd4 31.a6 Nc6 32.f4=) 31.Re7 Ke7 32.Nd3 (32.Kf1 Nc6 33.Nb3 Nd8=+) 32...Nc6 33.Nf4 Kd6 (33...Nd4 34.Nd5 Ke6 35.Nc7 Kd7 36.Nd5-/+) 34.Ne2 Ke6 35.Kg2 g5 (35...g6 36.f4-/+) 36.Kg3 (36.f4 Kf5 37.fg5 fg5=+) 36...Kf5 37.f4 h5 (37...Ke4!? 38.fg5 fg5-/+) 38.fg5= fg5 39.h4 g4 40.f3 Nb4 (40...gf3!? 41.Kf3 Nb4=) 41.fg4+= hg4 42.h5 (42.Nf4!?+=) 42...Kg5= 43.h6 Kh6 44.Kg4 Kg6 45.Kf4 Kf6 46.Nc3 Ke6 47.Nd5 Nd5 48.Ke4 Nf6 49.Ke3 Nd5 50.Ke2 Nf6 51.Kd3 Kd5 52.Kc3 Ne4 53.Kb3 Nd6 54.Kb4 Nf5 55.Kc3 Nd4 ½-½. black_bishop_88 (2505) - Dinamo81 (2565), lichess.org, 2020. (=1.a3 d5 2.b4 a5 3.Bb2 ab4 4.ab4 Ra1 5.Ba1 c6 6.Nf3 Qb6 7.c3)

9.Be2 e5 10.0-0 e4 11.Nd4 Ne5 12.f4 ef3 13.Nf3 Bd6 14.Nd4 0-0 15.Na3 Ne4 16.Nac2 Qc7 17.d3 (17.Kh1 Re8=+) 17...Ng5 (17...Nd3!? 18.Bd3 Bh2 19.Kh1 Ng3 20.Kh2 Nf1 21.Kg1 Qh2 22.Kf2 Qh4 23.Kg1 Ng3-/+) 18.Qe1 Ng6 19.g3 Bh3 20.Rf2 Re8 21.Nf5 Bf5 (21...Be5 22.Qd1=+) 22.Rf5= Nh3?? (better 22...Ne6=) 23.Kg2+- Qd7 24.Qf1?? (24.Bg4 Nhf4 25.gf4 Bf4+-) 24...f6? (24...Re5 25.Bg4 Rf5 26.Qf5 Qf5 27.Bf5+=) 25.Bh5?? (better 25.Bg4 Ne7 26.Bh3 Nf5 27.Bf5+/-) 25...Re5 (25...Ng5 26.Bg4 Qe7 27.Rf2=) 26.Bg6 hg6 27.Re5 Be5 28.c4 Ba1 29.Qa1 (worse 29.Na1 dc4 30.dc4 Ng5-/+) 29...Ng5 30.Ne1 (30.Nd4!?=) 30...dc4-/+ 31.dc4 (31.Qa2 b5 32.h4 Qh3 33.Kf2 Qh2 34.Ng2 Nh3 35.Kf3-+) 31...Qd2-+ 32.Kf1?? (32.Kh1-+) 32...Nh3 (better 32...Ne4 33.Nd3 Qd3 34.Kg1 Qe3 35.Kh1 Qe2-+) 33.Qd4 (33.Nd3 Qd3 34.Kg2-+) 33…Qf2 0-1. pacalmisu (2175) - carlos78 (2205), Rated Blitz game, lichess.org, 2015.

9.Na3 Be7 10.Be2 0-0 11.0-0 Nbd7 12.Qc2 e5 13.d3 Qc7 14.Rb1 b6 15.c4 Qd6 (15...Bb7 16.cd5 Nd5 17.e4 Nb4 18.Qc3=) 16.d4 e4 (16...ed4 17.Nd4 Ne5 18.Nf5 Bf5 19.Qf5 Nc4 20.Nc4 dc4 21.Bc4=) 17.Ne5+= Qe6 18.Nd7 (better 18.cd5 cd5 19.Nb5+–) 18...Bd7=+ (18...Nd7?! 19.cd5 cd5 20.Nb5=) 19.c5 b5 20.Bc3 Ng4 21.h3 Nh6 22.Qd2 (22.Ra1 Qg6 23.Kh1 Bh4=+) 22...f5 (22...Qg6 23.Kh1-/+) 23.f3? (better 23.Ra1!?=+) 23...ef3-/+ 24.Bf3 g5 (24...Nf7 25.Ra1-/+) 25.Rf1 g4 26.hg4? (better 26.Be2-/+) 26...fg4-+ 27.Be2 (27.Bd1 Rf1 28.Kf1 Nf5-+) 27...Rf1 28.Bf1 Nf5 (28...Bg5 29.Nc2 g3 30.Be2-+) 29.Nc2? (better 29.e4 Qe4 30.Bd3 Qe3 31.Qe3 Ne3 32.g3-+) 29...Bg5 (29...Qh6 30.g3 Ng3 31.Bg2-+) 30.Kf2 (30.Qe2 Ng3 31.Qf2 Ne4-+) 30...g3 (30...Qh6!? 31.Bd3 Qh2 32.Ke2 Qg2 33.Kd1-+) 31.Ke1 (31.Ke2 Be8 32.Kd1 Be3-+) 31...Ne3 32.Ne3 Be3 (32...Qe3?! 33.Qe3 Be3 34.Ke2-+) 33.Qe2 (33.Qd3-+) 33...Qe4 34.Kd1 (34.Qd3 Bd4 35.Qe4 Bc3 36.Ke2 de4 37.Ke3-+) 34…Qb1 0–1. retiponziani (1975) – Mely (2170), ChessWorld.net, 2020.

9.Na3 Be7 10.Be2 0-0 11.0-0 Nbd7 12.Nc2 e5 13.d4 e4 14.Nd2 Qc7 15.c4 Re8 16.c5 Nf8 17.h3 Ng6 18.Bc3 Be6 19.Qa1 Qc8 (19...b6 20.cb6 Qb6 21.Nb3=) 20.Kh2 (20.b5 Bd7+=) 20...h6 21.b5 Kh7 22.Nb4 Bd7 23.bc6 bc6 24.Qa6 Qc7 25.Kg1 Rb8 26.Qa1 Qc8 27.Kh2?? (better is 27.Rb1=) 27...Rb4!-+ 28.Bb4 Qb8 29.g3 Qb4 30.Nb1 Qb8 31.Kg2 Qc8 32.Rh1 Qc7 ½–½. Hal1958 – DanielS, playchess.de, 2004.

9.Bd3 c5 10.bc5 Qa5!? 11.Bb2 Nbd7=.

9.Bd3 c5 10.bc5 Bc5 11.0-0 0-0 12.Bc2 (12.c4 Nc6+=) 12...Re8 (12...Qa6 13.Bb2=+) 13.d4= Bd6 14.Qd3 (14.Nbd2 Nc6+=) 14...Bd7 (14...Qc7 15.Qe2=+) 15.Re1 (15.Nbd2!? Bb5 16.c4 dc4 17.Nc4=) 15...Bb5-/+ 16.Qd1 e5?? (better 16...Nc6=+) 17.de5+– Be5 18.Ne5 Re5 (18...Nc6 19.c4! dc4 20.Nc4 Bc4 21.Bf6+–) 19.c4! Rh5 (19...Bc4 20.Qd4 Double attack (20.Be5 Discovered attack; 20.Qd4 Decoy); 19...dc4 20.Qd4 Double attack (20.Be5 Discovered attack; 20.Qd4 Decoy)) 20.cb5 (20.cb5 Nbd7 21.Qe2+–) 1–0. zvujovic – imreallylousy, net–chess.com, 2019.

9.Bd3 c5 10.bc5 Bc5 11.0-0 Nc6 12.Nd4 (12.c4!?+=) 12...0-0 (12...Ne5 13.Be2=+) 13.Qc2 (13.Nc6 bc6 14.c4 d4 15.ed4 Bd4=+) 13...Re8 (13...e5 14.Nc6 bc6 15.Be2-/+) 14.Bb2 (14.Nc6 bc6 15.c4 d4 16.ed4 Bd4=+) 14...Ne5 (14...e5 15.Nb3-/+) 15.Be2 Bd7 16.d3 Ra8 17.Nd2 Ra2 18.Rb1 Ba4 (18...Ng6 19.c4=+) 19.Qc1 Qa6 20.N4b3 (20.c4 dc4 21.dc4 Bb4=) 20...Bd6 21.c4 Bb3 (21...dc4 22.dc4 Nc6 23.Ra1 Bb3 24.Nb3+=) 22.Nb3 dc4 23.Be5 (better 23.dc4!? Ned7 24.Nd4+=) 23...Be5-/+ (worse 23...Re2 24.Bd6 Qd6 25.Nd4+=; 23...cb3?! 24.Bd6 Qd6 25.Bd1=) 24.Nc5 (24.Bd1!?-/+) 24...Qc6 25.d4 (better 25.Kf1 b5 26.d4-+) 25...Bd6?? (better 25...Re2 26.de5 Qc5-+) 26.Bc4 (better 26.Qc4!? Qd5 27.Nb7+–) 26...Ra7= 27.h3 (27.Be2 Bc5 28.Bf3 Ne4=) 27...Bc5=+ 28.dc5 Qc5 29.Be2 ½–½. tche – imreallylousy, net–chess.com, 2019.

9.Bd3 Bd6 10.0-0=+.

9.Bd3 Nbd7 10.Bc2-/+.

9.Be2 Bd6 10.0-0 Nbd7 11.d3 c5 (11...Ne5!?=+) 12.bc5+= Nc5 13.Nbd2 0-0 (13...Bd7 14.c4 Qa5 15.cd5 ed5 16.Nb3 Nb3 17.Qb3+–) 14.c4 Nfd7? (better 14...Qa5+=) 15.d4+– Nb3?? (better 15...Ne4 16.c5 Ndc5 17.dc5 Nc5+–) 16.Nb3 (16.Nb3 Qc6 17.Qb1+–) 1–0. pcmvr – imreallylousy, net–chess.com, 2019.

9.Na3 Nbd7 10.Qa4 e5 11.Qa8 Ke7 12.Qa4 Kd8 13.Be2 Kc7 14.h3 Rg8 (14...g5 15.Nc2 Rg8 16.c4=) 15.d4= e4 16.Nd2 Kb8 17.Bb2 Qa7 18.Qa7 (18.Qb3 Nb6=) 18...Ka7 19.Nb3 Be7 20.b5 Nb6 21.Kd2 Na4 22.Ra1 Nb2 (22...Kb6 23.Kc2=+) 23.Nc4= Kb8 24.Nb2 cb5 25.Bb5 Kc7 26.c4 g5 27.g4 Bg6 (27...Be6 28.cd5 Bb4 29.Kc2 Nd5 30.Na4=) 28.c5 h5 29.Be2 Rc8 30.Ra5 hg4 31.hg4 Rh8 32.Na4 Nd7 33.Nc3 Nf6 34.Ra4 Re8 35.Nb5 (35.Nb5 Kb8 36.Ra1+–) 1–0. pcmvr – marekt, net–chess.com, 2019.

9.Na3 Nbd7 10.Qa4 e5 11.Qa8 Ke7 12.Qa4 g6 13.Be2 Bg7 14.c4 c5 15.Be5 Ne5 16.Ne5 Rc8 17.0-0 (better is 17.Nb5!? Ne4 18.f4 dc4 19.Nc4=) 17...Qb4+= 18.Qa7 Ne8 19.Nd3 Qd2 20.Nf4 Kf8 21.cd5 Nd6 22.g4 Be4 23.Nc4 Nc4 24.Bc4 Be5 25.Qb7 Rb8 26.Qa6 Kg7 27.g5 Bf5 28.Bd3 Bf4 29.Qf6 ½–½. pvanr (2030) – damefruta (2080), gameknot.com, 2010.

9.Na3 Nbd7 10.Nh4 Bg4 11.f3 Be6 12.f4 Bg4 13.Qa4.

9.Na3 e6 10.Nh4 Bg4 (10...Bg6 11.Ng6 hg6 12.Be2=+) 11.f3= Bh5 12.g4 Bg6 13.g5 Nfd7 14.Ng6 hg6 15.f4 e5 16.Qg4 Bb4 17.cb4 Qb4 18.Be5 0-0 19.Bc3 Qa3 20.h4 Qc1 (20...Nc5 21.h5 Re8 22.Bg2 Re3 23.Kf2+=) 21.Kf2+= Qc2? (better 21...Nc5!? 22.Bg2 Qc2+=) 22.h5+– f6?? (better 22...Nc5 23.Kg1 Qf5+–) 23.gf6 Nf6 24.Qe6 Kh7 (24...Rf7 25.Bf6 Qf5+–) 25.hg6 Kg6 26.Bf6 Rf6 (26...Qd2 27.Be2 Qe2 28.Ke2 Rf6 29.Qe8 Rf7 30.Rg1 Kh7 31.Qf7 Nd7 32.Qg7) 27.Qe8 Rf7 28.Rg1 (28.Rg1 Kh7 29.Qf7 Qd2 30.Be2 Qe3 31.Ke3 d4 32.Ke4 d3 33.Qg7; 28.Qb8 Qd2 29.Be2 Re7+–) 1–0. pcmvr – zvujovic, net–chess.com, 2019.

9.Na3 h6 10.Be2 e6 11.0-0 (11.Nc2 Nbd7=+) 11...Nbd7 12.Nc2 Bd6 13.d4 (13.c4!? dc4 14.Na3=+) 13...0-0-/+ 14.Bd3 (14.c4 dc4 15.Bc4 Nd5-/+) 14...Ra8-+ 15.Nh4 (15.Qe2 Bd3 16.Qd3 Ra2-+) 15...Bd3 16.Qd3 Qa6 17.Qa6 Ra6 (17...ba6?! 18.Nf3-/+) 18.Nf3 (18.Rb1 Nb6-+) 18...Ra2 19.Rc1 Ne4 20.Nfe1 Nb6 21.f3 Nd2 22.Rd1 (22.g3 Nbc4-+) 22...Nbc4 23.Rc1 g5 24.Rd1 h5 25.Rc1 Kg7 26.Kh1 Kf6 27.Kg1 g4 28.Kh1 (28.f4 Kf5-+) 28...gf3 29.Nf3 (29.gf3 Nf1 30.e4-+) 29...Nb3 30.Rf1 Kg6 31.Rb1 (31.Bb2 Rb2 32.Na1 Ne3-+) 31…Rc2 0–1. zvujovic – pcmvr, net–chess.com, 2019.

9.Qa4 Bb1 10.b5 Be4 11.Ne5 Nfd7 12.Qa8 Qc7 13.Nd7 Kd7 14.f3 Bg6 15.Be2 e6 16.0-0 Bd6 17.c4 f6 18.cd5 ed5 (18...cd5 19.f4-+) 19.Rc1 (19.f4 Ke7-+) 19...c5 (19...Bh2 20.Kh1 Bd6 21.Bd4-+) 20.d4 (better is 20.f4-+) 20...c4 21.e4 Re8 22.Kf1 Bf7 (22...Na6 23.Qa7 Qb8 24.Qb8 Nb8 25.g3-+) 23.Bc3 (23.ed5 Bd5 24.Qa4 Bh2 25.Rc2-+) 23...Na6 24.Qa7 Qb8 25.Qb8 Nb8 (25...Rb8?! 26.ba6 ba6 27.Ra1-+; 25...Bb8?! 26.ba6 ba6 27.Bd1-/+) 26.h3 de4 27.fe4 Re4 28.Bf3 Rf4 29.Ke2 Kc7 30.g3 (30.b6 Kc8-+ (30...Kb6?! 31.Rb1 Ka6 32.Ra1 Kb5 33.Rb1 Ka4 34.Rb7 Rf3 35.gf3-+)) 30...Rf3 31.Kf3 Bd5 32.Kf2 Nd7 33.Ba5 b6 34.Bc3 Bf7 (better is 34...f5!? 35.Bd2-+) 35.Ra1 Kb7 36.Rd1 (36.Bb2 f5 37.Ba3 Nf6 38.Bd6 Ne4 39.Ke3 Nd6-+) 36...Nf8 37.g4 Ne6 38.Kf3 Ng5 39.Ke3 Ne6 (39...Nh3 40.Rh1 Ng5 41.Rb1-+) 40.h4?? (40.Kf3 Nc7 41.Rb1-+) 40...Nc7-+ 41.Rb1 (41.Kd2-+) 41...Nd5 42.Kd2 Bf4 (43.Ke1 Nc3-+) 0–1. Schumann,Hans – Micheel,Peter, Strelasund op, 1998.

9.Bb2 c5=+.

9.Bb2 e6 10.Be2 Bd6 11.Nh4 0-0 12.Nf5 ef5 13.Qc2 g6 (13...f4 14.c4 dc4 15.Bf6 gf6 16.Na3=) 14.c4+= Ne4? (better 14...Be7+=) 15.c5+- Qc7? (better 15...Nc5 16.bc5 Qc5+-) 16.cd6 Qd6 17.0-0 Qb4 (17...Nd7 18.b5+-) 18.d3 Nd6 (18...Qc5 19.Qd1 Qb6+-) 19.Ba3 (19.Ba3 Qb6 20.Bd6+-) 1-0. Reprimand (2440) - Karl_Childers (1805), ChessWorld.net, 2011.

9.Bb2 g6 10.d4 Bh6 11.Nbd2 0-0 12.Be2 Nbd7 13.Qb3 Be6 14.h3 Ra8 15.Bd3 Ne4 16.0-0 Nd6 17.Re1 Qd8 18.Ra1 Ra1 19.Ba1 Qa8 20.Bb2 Qa7 21.Ba3 b5 22.Bc1 Bf5 23.Be2 f6 24.g4 Be6 25.Bd3 Bg7 26.Kg2 Nb6 27.Qc2 Bc8 28.e4 e5 29.Be2 Qc7 30.Kg1 Qd7 31.ed5 cd5 32.Nb3 Qa7 33.Nc5 Qa8 34.Nd2 Bf8 35.f3 Qb8 36.Kg2 Qc7 37.de5 fe5 38.Qa2 Qc6 39.Ndb3= Nbc4 40.Qa7 Nb7 41.Kf2 Bg7 42.Qb8 h6 43.Nb7 Qb7 44.Qb7 Bb7 45.Nc5 Bc6 46.Ne6 g5 47.Ng7 Kg7 48.Kg3 Kf6 49.Bd3 Be8 50.Bc4 bc4 51.Be3 Bc6 52.h4 gh4 53.Kh4 d4 54.cd4 Bf3 55.de5 ½–½. Daatselaar,Jan Bart (2175) – Luzuriaga,Norberto Horacio (2335), corr ICCF WSTT/3/06/Final, 2009.

9.d3 (--> 7.Nf3 Bf5 8.d3 Nf6 9.e3).

9.d3 e6 10.Nbd2 (--> 9.Nbd2 e6 10.e3).

9.d4 Nbd7 10.Nbd2 e6 =.

9.d4 Nbd7 10.Bd3 Ne4 (10...e6!?-/+) 11.Qc2 e6 12.0-0 (12.Nh4 Be7 13.Nf5 ef5=) 12...Bd6 (12...Be7 13.c4+=) 13.Nbd2 (better is 13.Nh4 Qc7 14.Nf5 Bh2 15.Kh1 ef5 16.g3 Bg3 17.Be4 fe4 18.fg3 Qg3 19.Qg2 Qe3 20.Qg7-/+) 13...Qc7 (better is 13...Nd2 14.Qd2 Bd3 15.Qd3 0-0+=) 14.Ne4+= de4 15.Be4 Bg4 (15...Be4 16.Qe4 0-0 17.c4+=) 16.h4 (16.h3 Bh5+/-) 16...Bh5 (16...Qd8 17.g3+=) 17.Nd2 (17.Bb2 Nf6 18.Bd3 Bf3 19.gf3 g6+/-) 17...f5 (17...Nf6 18.Bb2+=) 18.Bf3 (18.Bd3 0-0+/-) 18...Bg6 (18...Bf3 19.Nf3 (19.gf3?! Qd8=) 19...Nf6 20.Qa2+/-) 19.Qb3 (19.h5!? Bf7+–) 19...Bf7+/- 20.c4 (20.Nc4+/-) 20...e5 (20...0-0 21.Re1+/-) 21.de5 (21.e4 ed4 22.Bd4 0-0+/-) 21...Be5 (21...Ne5 22.Qc2 Qe7 23.Qf5+–) 22.Be5 (22.e4 Qd6 23.Rd1 Ba1 24.Ra1 Qd2 25.Ra8 Ke7 26.Rh8 Qe1 27.Kh2 Qf2+=) 22...Ne5 23.Be2 0-0 24.Qc3 c5 25.b5 Be6 26.Nf3 Nf3 (26...Ng4 27.g3+/-) 27.Bf3 Qf7 28.Rc1 f4 29.e4 (29.b6 Qd7+–) 29...Rd8 (29...b6 30.Be2+/-) 30.Qe5+– b6 31.Be2 (31.Rd1 Re8 32.Qd6 Qa7+–) 31...f3 (better is 31...Qf6 32.Qc7 Rd2+=) 32.Bf1 (better is 32.gf3 h6 33.f4+–) 32...fg2= 33.Kg2 Qg6 34.Kh2 h6 (34...Rf8 35.Rc2=) 35.Rc3+= Rd4 36.Bd3 Qf7 37.f4 (37.f3 Bg4 38.f4 Be6=) 37...Bc4= 38.Bc4 Rc4 39.f5 (39.Rc4 Qc4 40.Qb8 Kh7=) 39...Rd4 40.Qb8 Kh7 41.Qb6 Rd2?? (better is 41...Re4 42.Qg6 Qg6 43.fg6 Kg6 44.Rc5 Rh4 45.Kg3 Rb4=) 42.Kg3+/- Qe7 43.Qg6 Kh8 44.Rc5?? Qc5-+ 45.Qe8 Kh7 46.Qg6 Kg8 47.Qe8 Qf8 48.Qe6 Qf7 49.Qc8 Kh7 50.Qc3 Qd7 (50...Qd7 51.Qc6 Qd3 52.Kf4 Qf1 53.Ke5 Qa1 54.Kf4 Rf2 55.Ke3 Rg2-+) 0–1. Cerny,Lumir (1685) – Hricko,Martin (1925), Open Teplice, 2008.

9.d4 Nbd7 10.Be2 h6 (10...e6 11.0-0=) 11.0-0= e6 12.Nbd2 Be7 (12...Bd6 13.Bb2=+) 13.Qb3 (13.Nh4 Be4=) 13...0-0=+ 14.c4 (14.Bb2!?=+) 14...Qb4 15.Rb1? (better is 15.c5 Qb3 16.Nb3-/+) 15...Bb1-+ 16.Qb4 Bb4 17.Nb1 Ra8 18.Bc3 (18.Bb2 Ra2 19.Bc3 Re2 20.Bb4 Rb2-+) 18...Bc3 19.Nc3 Ra1 20.Bf1 (20.Nd1 dc4 21.Kf1 b5-+) 20...dc4 21.h3 b5 22.Nd2 Nd5 23.Nd5 cd5 24.g3 Rd1 25.Nf3 b4 26.Kg2 b3 27.Be2 Rc1 28.Ne5 Ne5 29.de5 b2 30.Bf3 0–1. Hofmann,Philipp – Mueller,Bjoern Jakob (1675), DSSM WK2 Husum, 2002.

9.d4 g6 10.Nbd2 +=.

9.Nd4 Bb1 10.Qb1= e5 11.Nf3 Bd6 12.Be2 Nbd7 13.0-0 0-0 14.Bb2 (14.Qa2 Qc7 15.g3 b5=) 14...Ra8=+ 15.c4 (15.Qc2!?=+) 15...Qb4-/+ 16.cd5 Nd5 17.Bc3 (17.g3!?-/+) 17...Qb1-+ 18.Rb1 Nc3 19.dc3 Nc5 20.h3 (20.g3 g6-+) 20...g6 21.g3 Ra2 22.Bc4 Rc2 23.Ng5 Be7 24.Nf7 b5 25.Ne5 (25.Bb5 Kf7 26.Bc6 Ke6-+) 25...bc4 26.Rb8 Kg7 27.Nc6 Bd6 28.Rd8 Bf8 29.Nb4 (29.Rc8 Rc3 30.Rc7 Kg8-+) 29...Rc3 30.Rd7 (30.Rd4-+) 30…Nd7 (30...Nd7 31.Nc6 Rd3-+) 0–1. tche – marekt, net–chess.com, 2019.

9.Nd4 Bg6 10.Na3 e5 11.Nf3 Bd6 12.Be2 Nbd7 13.Nh4 0-0 14.Ng6 hg6 15.h4 Ra8 16.Nc2 Ra2 17.h5? (17.c4 Bb4 18.Nb4 Qb4-+) 17...g5 (better is 17...Qa7 18.Qc1 gh5-+) 18.Qb1-/+ Qa7 19.Bb2 Qa4 20.Na1 c5 21.Bd1 Qa8 22.Bb3 Ra7 23.h6 g6 (better is 23...gh6!? 24.Rh6 c4+=) 24.Bc2 c4 25.Bg6 e4 (25...fg6 26.Qg6 Double attack) 26.h7 Kh8 27.Bf7?? (better is 27.Bf5+=) 27...Ne5-/+ 28.Bd5?? (28.Rh6 Be7 29.Rf6 Bf6 30.Bd5 Nd3 31.Ke2-+) 28...Nd3-+ (worse is 28...Nd5 29.0-0 Nd3 30.Nc2-+) 29.Ke2 Nd5 30.Rh5 (30.Nc2 Ra2 31.Ba1 Be5-+) 30...Ra2 (30...Qf8 31.f4 ef3 32.gf3 N5f4 33.ef4 Qe8 34.Kd1 Qh5 35.fg5 Qf3 36.Kc2-+) 31.Rg5 Rb2 32.Qb2 Nb2 33.Rg8 Qg8! 34.hg8Q (34.hg8Q Kg8 Combination; 34.hg8R Kg8 Combination; 34.hg8B Kg8 Combination; 34.hg8N Kg8 Combination) 34...Kg8 35.f4 Kf7 36.Nc2 Kg6 37.g4 Nf6 38.g5 Nd5 39.Nd4 Ne7 40.Nc2 Nf5 41.Na3 Bf8 42.Nb5 Nd6 43.Nd4 Bg7 44.Nc2 Nd3 45.Na3 Kf5 46.Nc2 Ke6 47.Na3 Kd5 48.Kf1 Ke6 49.Kg2?? Kf5-+ 50.Kg3 Bh8 51.Kh4 Ne1 52.Kg3 Nf3 53.Nb1 Nb5 54.Kh3 Ne1 55.Kg3 Nc2 56.Kh4 Nca3 57.Na3 Na3 58.Kh5 Bg7 0–1. Jaskulski,Klaus – Keskowski,Thilo (2170), Berlin Unicorn op, 2003. (=1.Nf3 Nf6 2.b4 c6 3.Bb2 a5 4.a3 ab4 5.ab4 Ra1 6.Ba1 Qb6 7.c3 d5 8.e3 Bf5)

9.Nd4 Bg6 10.d3 e5 11.Nf3 Nbd7 12.Be2 Qa6 13.Bb2 Qa2 14.Ba3 Bd6 15.0-0 e4 16.Nd4 0-0 17.de4 Ra8 18.Qb3 Qb3 19.Nb3 Ne4 20.Na5 Bc7 (20...b6!? 21.Nc6 Nef6 22.c4 Bb1 23.Rb1 Ra3 24.Rd1-+) 21.Nb7 Nc3! 22.Nc3 Ra3 23.Rc1 Ra7 (23...d4 24.Nd1 (24.ed4? Bf4 25.Re1 Rc3-+) 24...d3 25.Bf1-/+) 24.Nc5? (better is 24.b5!? c5 25.b6 Bb6 26.Nd6+=) 24...Nc5-+ 25.bc5 Ra5 26.Nd1 Bd8 27.g4 Be7 28.Kg2 Rc5 29.Ra1 h6 30.Ra8 Kh7 31.Ra7 Bh4 32.f4 Rc2 33.Kf1 f5 34.h3 c5 35.Rd7? (35.Bf3 Rd2 36.Kg1-+) 35...fg4 36.Bg4 Bd3 37.Kg1 Be4 38.Rd6 (38.Kf1 Rc1 39.Rc7-+) 38...Bg3 39.Rc6 (39.Rd5 Rg2 40.Kf1 Bd5 41.e4 Be4 42.Bf5 Bf5 43.Kg2 Bf4 44.Nb2-+) 39...Bh2 40.Kf1 Bd3 41.Ke1 Bg3 0–1. Wall,Bill – TennisPro, chess.com, 2009.

9.Be2 Qa7 10.Bb2 Qa2 11.Qc1 Qb1 12.Qb1 Bb1 13.d3 Bc2 14.Kd2 Ba4 15.Ra1 b5 16.c4 dc4 17.dc4 e6 18.Bc3? (18.Bf6 gf6 19.c5-+) 18...Ne4 19.Kd3 Nf2 20.Kd2 Ne4 21.Kd3 f5 22.Nd4 Kf7 23.g4 g6 (better is 23...bc4 24.Kc4 Nd7 25.Ra4 Nb6 26.Kb3 Na4 27.Ba1-+) 24.Nc6 (24.Nb5 Bb4 25.Ra4 Nc5 26.Kc2 Na4 27.Bh8 cb5 28.cb5-+) 24...Nc6 25.Bh8 (25.Ra4 Nc3 26.cb5 Na4 27.bc6 Bb4 28.gf5 ef5 29.Kc4-+) 25...Nb4 26.Kd4 Bc5 27.Ke5 Bd6 28.Kd4 e5! 29.Be5 Bc5# 0–1. Mauron,Regis – Daillet,Emmanuel (2280), Montigny op, 1999.

9.Be2 Qa7 10.Bb2 Qa2 11.Qc1 Bb1?! 12.d3 =.

9.Be2 Qa7 10.Bb2 Qa2 11.Nh4 Bb1 (11...Qb2?! 12.Nf5 Nbd7 13.0-0+=; 11...Qb1?! 12.Qb1 Bb1 13.0-0-+) 12.0-0 (12.Qc1 g5 13.Nf3-+) 12...Qb2 13.Qb1 Qd2 14.Bf3 (14.Qd3 Qa2-+) 14...Qc3 15.b5 Qc4 (15...e6!? 16.bc6 Qc6 17.Be2-+) 16.bc6 (16.Rc1 Qa4 (16...Qh4 17.bc6 bc6 18.Qb8 Kd7 19.Qb7 Ke6 20.Qc8 Ke5 21.Rc6=) 17.bc6 Nc6 (17...Qh4 18.c7 Qh2 19.Kh2 Ng4 20.Bg4 e6 21.cb8Q Ke7 22.Q1b7 Kf6 23.Qf4 Kg6 24.Qbf7) 18.Qb7 Nd8-+ (18...Qh4 19.Qc6 Kd8 20.Qc8)) 16...Nc6 (16...Qh4 17.c7 Kd7 18.cb8Q Qa4 19.Bg4 Ng4 20.Qf5 e6 21.Qf7 Be7 22.Qb7 Kd6 23.Qbe7 Kc6 24.Qb7 Kc5 25.Qfc7 Qc6 26.Qcc6) 17.Qb7 Nd8 (17...Qh4 18.Qc6 Kd8 19.Ra1 e6 20.Ra8 Ke7 21.Qc5 Kd7 22.Ra7 Kd8 23.Qc7 Ke8 24.Ra8) 18.Qb8 Qh4 19.Qb5 Nd7 20.Bd5 e6 21.Bf3 (21.Bc4 Bd6 22.g3 Qe4-+) 21...Bd6 22.Rd1 (22.g3 Qb4 23.Qb4 Bb4-+) 22...Qh2 23.Kf1 f6 (better is 23...Qe5 24.Qa4 h5-+) 24.Rd6 (24.Bc6 Ke7 25.Bd7 Qh1 26.Ke2 Qg2 27.Bc8-+) 24...Qd6 25.Qh5 g6 26.Qh6 Ne5 27.Qg7 Qa6 28.Kg1 Nf3 29.gf3 Qa1 30.Kg2 Nf7 31.f4 Ke7 32.e4 Qe1 33.e5 fe5 34.fe5 Qe5 35.Qe5 Ne5 36.f4 0–1. fedix – ab45ad46, kurnik, 2013.

9.Be2 Qa7 10.Nd4 Bg6 (10...Be4 11.f3 Qa1 12.fe4 Ne4 13.Qb3+=) 11.Nb3+= Qa2 (11...e5 12.d3+=) 12.d3= e6 (12...e5 13.N1d2=) 13.0-0 (13.N1d2 b6=) 13...Be7 14.N1d2 0-0 15.Qb1 (15.Nf3 Nfd7=) 15...Qa7 (15...Qb1 16.Rb1 Nbd7 17.f4=) 16.Qc2 (16.Nf3 Nbd7=) 16...Nbd7 17.Rd1 (17.Bb2 e5=) 17...b6 (17...Ra8 18.Nf3=) 18.Qc1 (18.Nf3 Qc7=) 18...Ne5 (18...Ra8 19.Bb2+=) 19.Nf3 (19.Qc2 Qc7+=) 19...Nf3 20.Bf3 Ra8 21.Be2 Qa2 22.Qb2 Qb2 23.Bb2+= Ra2 24.Rd2 c5 25.bc5= bc5 26.Nc1 Ra8 27.c4 Rd8 28.Rd1 Kf8 29.h3 (29.Be5 Bf5=) ½–½. Frank,Volkmar – Spiegel,Matthias, Germany, 2006.

9.Be2 Qa7 10.Nh4 Be4 (worse is 10...Qa1 11.Nf5 e6 12.Nd4=) 11.f3 Qa1 12.fe4 Ne4 +=.

9.h3 Qa7-/+ 10.Nd4 Bh3 11.Rh3 Qa1 12.Bd3 e5 13.Nb3 Qb2 14.Qc2 Qc2 15.Bc2 Bd6 16.f3 0-0 17.g4 h6 18.d3 e4! 19.de4 (19.de4 de4 Combination; 19.fe4 Ng4 Deflection) 19...de4 20.Be4 Ne4 21.fe4 Nd7 22.N1d2 Be5 23.Nd4 Nf6 24.Kf2 Ng4 25.Kf3 Nf6 26.Nc4 Re8 27.Ne5 Re5 28.Rh4 h5 29.Nf5 (better is 29.Rf4-+) 29...g5 30.Rh1 Re4 31.Nd6 Re7 32.Nf5 Re5 33.Nd6 Nd5 34.Rh5 (34.e4 g4 35.Kg2 Nc3 36.Nb7 Ne4 37.Na5-+) 34...g4! (34...Re3?! 35.Kf2 f6 36.c4-+) 35.Kg4 Nf6 (35...Nf6 36.Kf4 Rh5-+) 0–1. Hal1958 – FortKnox, playchess.de, 2004.

9.Nh4 Bg4 10.Qc2 e5 11.d3 Nbd7 12.h3 Be6 13.Nd2 Bd6 14.Be2 0-0 15.Nhf3 Ra8 16.0-0 h6 17.Rb1 Qc7 18.c4 Bf5 Black prepares e4 19.c5 Be7 20.Bc3 e4 21.Nd4 Bg6 22.de4 Ne4 23.Ne4 Be4 24.Bd3 Bd3 25.Qd3 Bf6 ½–½. aspasio (2760) – martijn, net–chess.com, 2013.

9.Nh4 Bg4= 10.Be2?? Be2-+ 11.Qe2 Qa7 12.Bb2 (12.0-0 Qa1 13.d3 Qa6-+) 12…Qa2 (12...Qa2 13.0-0 Qb2-+) 0–1. Wall,Bill – Chelvan, internet, 2001.

9.Nh4 Bg4= 10.f3 Bd7 11.Bd3=+.

10.Nbd2 Qa7 11.Bb2 Bd6 12.Be2 0-0 13.Nh4 Be4 14.Ne4 de4 15.g3 Nbd7 16.0-0 Ra8 17.Qc2 Qa4 18.Qa4 Ra4 19.Ra1 Ra1 20.Ba1 b5 21.f4 Nd5 22.Kf2 N7b6 23.g4 Na4 24.c4 bc4 25.Bc4 Nab6 26.Ba6 Nb4 27.Bb7 N6d5 28.Ng2 g5 29.fg5 Bh2 30.Ne1 Kg7 31.Bb2 Kg6 32.Kg2 Bd6 33.Kf2 Kg5 34.Ke2 c5 35.Bc8 Kg4 36.Ba1 Bg3 37.Ng2 Nc2 38.Bb2 cd4 39.Bd4 h5 0–1. mtrc – fooly, internet, 2002.

10.Nbd2 Bd6 11.Be2 0-0 12.0-0 Nbd7 13.Bb2 Ne4 14.Ne4 Be4 15.Nd2 Bg6 16.Nb3 e5 17.Nc5 Bc5 18.dc5 Nc5! 19.c4 (19.bc5 Qb2) 19...dc4 20.Be5 Nd3 21.Bd3 Bd3 22.Bd6 Rd8 23.Bc5 Bf1 24.Qf1 (24.Bb6?? Rd1 25.h3 c3-+) 24...Qc7 25.g3 Rd3 26.Qa1 Qd8 27.Bd4 f6 28.Qa2 Rd1 29.Kg2 Qd5 30.Kh3 (30.f3-+) 30...Kf7 31.Qa7 (31.Kh4 g5 32.Kh5 Qe6-+) 31...Qd7 (31...Rg1 32.Qc5 Qe6 33.Kh4 g5 34.Qg5 fg5 35.Kg5 Qd5 36.Be5 Qe5 37.Kh4 Kg6 38.Kg4 Qf5 39.Kh4 Qh5) 32.Kg2 Rc1 33.Qa3 (33.Qa2-+) 33...Qd5 34.Kh3 (34.e4 Qe4 35.f3 Rc2 36.Bf2-+) 34...Rg1 35.f3 Qh5 0–1. toll (2025) – Rekarov (2780), Dos Hermanas Internet Section, 2003.

10.Nbd2 Bd6 11.Be2 Nbd7 12.Qb3 0-0 13.0-0 Ra8 14.Bb2 h6 15.Rc1 Kh8 16.Bf1 Kg8 17.b5? cb5 18.Qb5 Qb5 19.Bb5 Ra2 20.Ba1 Ba3 21.Re1 Nb6 22.Bf1 Bb2 23.Bb2 Rb2 24.Rc1 Kf8 25.h3 Ke7 26.g4 Bh7 27.Kg2 Ne4 28.Ne4 Be4 29.Kg3 f6 30.Ne1 Rb1 31.Rb1 Bb1 32.Bb5 Nc4 33.Kf3 Nd2 34.Ke2 Ne4 35.Bd3 Nc3 36.Kd2 Ne4 37.Be4 Be4 38.f3 Bb1 39.Kc3 Kd6 40.Ng2 g5 41.Ne1 Kc6 42.Kb4 Kb6 43.Ka4 Bg6 44.Kb4 Be8 45.Ng2 Bb5 46.h4 Bf1 47.hg5 hg5 48.Ne1 Be2 49.Ka4 Bb5 50.Kb4 Be2 0–1. Jung – Roll, 1981.

10.Nbd2 Bd6 11.Be2 Nbd7 12.Nh4 0-0 13.g4 Be4 14.f3 Bg6 15.g5 Ne8 16.Ng6 hg6 17.f4 Nc7 18.Bd3 Ra8 19.h4 e5 20.Nb3 ef4 21.Qg4 Ne5 22.de5 Qe3 23.Qe2 Qg3 24.Kd2 Be5 25.Rf1 Ra2 26.Bc2 Nb5 27.Qe5 Qg2 28.Ke1 Qc2 0–1. Haessler – Donaldson, NWC 1980.

10.Be2 Bd6 11.0-0 0-0 12.h3 Qa7 13.Nbd2 b6 14.Qb3 c5 15.bc5 bc5 16.c4 cd4 (better is 16...Nbd7!?=) 17.Bd4 Qe7 18.Bf6 Qf6 19.cd5 Rd8 20.de6 Be6 21.Qb6 (21.Bc4 Bc4 22.Qc4 Nd7+/-) 21...Bd5 22.Qd4 Be5?? (better is 22...Qd4 23.Nd4 Nc6+=) 23.Qe5+– (23.Ne5?! Bg2 24.Ne4 Qe7+–) 23...Qg6 24.Qg5 Qg5 25.Ng5 Bg2 26.Kg2 Rd2 27.Rd1 (better is 27.Bc4 Kf8+–) 27...Rd1 28.Bd1 h6 29.Nf3 Nd7 30.Bb3 g6 31.Nd4 Kg7 32.f4 f5 33.Kf3 Kf6 34.Nc6 g5 (34...Nc5 35.Bd5 Na4+–) 35.Bc2 h5 36.fg5 Kg5 37.Nd4 Ne5 38.Kf2 f4 39.Ne6 Kh4 40.Nf4 Nf7 41.Bg6 Ng5 42.Kg2 Nh3 43.Nh3 (43.Nh3 Kg4 44.Kh2+–) 1–0. Hal1958 – BohdanL, playchess.de, 2005.

10.0-0 Qa7 11.Bb2 Nbd7 12.Nd4 Bg6 13.d3 Bd6 14.Qb3 0-0 15.Nd2 Qb6 16.Nc2 Qc7 17.g3 Ne5 18.d4 Neg4 19.Ra1 Rb8 20.Ne1 h5 21.Ng2 Qc8 22.Nf4 Bf4 23.ef4 Ne4 24.Ne4 Be4?? (better is 24...de4 25.b5 Nf6+/-) 25.f3+– Bf5 26.fg4 hg4 27.Qd1 Ra8 28.Bg4 Bg4 29.Qg4 Ra1 30.Ba1 Qa8 31.Qd1 f6 32.Bb2 f5 33.Qa1 Qc8 34.Kg2 Kf7 35.Bc1 Ke7 36.h3 Kd7 37.Bd2 Qe8 38.Qa7 Kc7 39.Qa5 Kb8 40.Qc5 Kc7 41.Be3 (better is 41.b5 Qh5 42.Qe7 Kb6 43.Qe6+–) 41...b6-+ 42.Kf3 (42.Kf2 bc5 43.dc5 g5 44.fg5 Qh8-+) 42...bc5 43.dc5 Qh5 (43...Qh5 44.Kf2 Qh3-+) 0–1. Hal1958 – Mrchess, playchess.de, 2005.

10.0-0 Nbd7 11.d4 Bd6 12.Nbd2 e5?? 13.de5 (better 13.c4!? Bb4 14.cd5+/-) 13...Ne5+= 14.Ne5 Be5 15.Nf3 Bd6 (15...Bc7 16.Qa4 0-0 17.c4 dc4 18.Bc4=) 16.c4+= Bb4 17.cd5 Nd5 18.Nd4 (better 18.Bg7 Rg8 19.Qa1+=) 18...0-0?? (better 18...Bg6-/+) 19.Nf5+- Nc3 20.Bc3 Bc3 21.Ne7 (21.Qd7!? g6 22.Nd6 Qd8 23.Qd8 Rd8 24.Nb7 Rd7+-) 21...Kh8 22.Qc2 Bf6 23.Nf5 Qb5 (23...Rd8+-) 24.Bb5 (24.Bb5 cb5 25.Qe4+-) 1-0. GM_HUSARZ (1905) - piotrpetrovic (2010), Rated Bullet game, lichess.org, 2015.

10.Na3 Bd6 11.Nh4 =.

10.Na3 Nbd7 11.0-0 (11.Nh4 Bg6=) 11...Be7 (11...e5 12.d4 e4 13.Nh4=+) 12.Nd4 Bg6 13.f4 0-0 14.f5 Bf5 15.Nf5 ef5 16.Rf5 Ne4 (16...Bd6 17.Qc2=) 17.Nc2 Nd6 18.Rf1 f5 (18...Ra8 19.Bb2=) 19.Nd4+= Rf6 20.d3 (20.Kh1 Ne5+=) 20...Rf7 21.Kh1 (21.Bh5 g6 22.Be2 Bg5=) 21...g6 (21...Bf6 22.Bb2=) 22.Nc2 (22.Qd2 Bf6+=) 22...Bf6= 23.c4 (23.Bb2 Nb5 24.Qd2 Qc7=) 23...Qd8 (23...dc4!? 24.dc4 c5=) 24.cd5+= cd5 25.Bf3 Nb6 26.Qb1 Kg7 27.Qb3 Attacks the isolani on d5 27...Ba1 28.Ra1 Nb5 29.Ra5 Qd7 30.Qb2 Rf6 31.Kg1 Nc7 32.Qd4 Qd6 33.Qb2 Na6 34.Nd4 Qb4=+ 35.Ne6 Kh6 Threatening mate... how? 36.Qb4 Nb4 37.Nc5 Nc6 38.Rb5= Ne5 39.Be2 Rc6 40.h3 Kg5 41.Kh2 h5 42.d4 Nec4-/+ 43.e4 de4 Black is in command 44.Ne4 Kh6 45.Bc4 fe4-/+ 46.Be2 Rd6 47.d5 Nd5-+ 48.Rb7 Nf4 49.Bf1 Re6 50.g3 Nd5 51.Bc4-/+ Re5 (51...e3 52.Bd5 e2 53.Be6-+) ½–½. Margraf,A – Buergam, Bayer Sen–EinzelM, 1992.

10.d3 Bd6 =.

11.Na3 0-0 12.Nc2 (12.Nh4 Be4=+) 12...Nbd7 13.Ncd4 Bg6 14.h3 (14.Nh4 Be4=+) 14...h6 (14...e5 15.Nb3-/+) 15.d3 e5 16.Nc2 Ra8 17.c4 Bb8 (17...dc4 18.dc4 c5 19.b5=+) 18.Bc3 Qc7 19.Nh4 e4 Do you see the mate threat? 20.f4 ef3 21.Nf3 dc4 22.dc4 Ne4 23.Be1 Ne5 24.Ncd4 Nf3 25.Nf3 Bh5 26.g4 Bg6 27.Bd3 Ra2 28.Qb1? (better is 28.Qb3 Rh2! 29.h4-/+) 28...Nc3!!-+ 29.Qc1 (29.Bc3 Theme: Deflection from g3 29...Qg3 A classical mating theme) 29...Bd3 30.Qc3 Qh2!! 31.Nh2 Bh2 A beautiful mate combination 32.Kh1 Be4 (33.Rf3 Bf3#; 32...Bf1 33.e4+=) 0–1. Frenzel,Lothar – Kretzschmar, corr Bilguer, 1990.

11.Na3 0-0 12.Nc2 Nbd7 13.Nfd4 Bg6 14.f4 e5 (14...Ra8 15.d3=+) 15.fe5 (15.f5 ed4 16.fg6 de3 17.gh7 Kh7 18.Ne3 Rh8=) 15...Be5 16.Nf3 Bd6 17.Nh4 Qc7 18.Nf3 (18.g3 Be4 19.Rf2 Bc2 20.Qc2 Ra8=) 18...Ng4 (18...Ra8 19.Ncd4=+) 19.h3 Nge5 (19...Nh2 20.Nh2 Bh2 21.Kh1=+) 20.Ne5 (20.Nh4 Bd3=) 20...Be5 (20...Ne5 21.d3=+) 21.Ne1 (21.Nd4 Ra8=+) 21...Nf6 (21...Ra8 22.Nf3=+) 22.Nf3= Bd6 23.Nh4 (23.c4!? dc4 24.Bf6 gf6 25.Bc4=+) 23...Bh2 24.Kh1 Ne4 25.Ng6 (better 25.Rf3 Ng3 26.Kh2 Ne2 27.g3-/+) 25...Ng3?? (25...fg6 26.Bf3 Ng3 27.Kh2 Nf1 28.Kg1-+) 26.Kh2-+ Nf1 27.Kg1 Qh2 28.Kf1 fg6?? (better 28...Qh1 29.Kf2 fg6 30.Kg3 Qd1 31.Bd1 Rf1-/+) 29.Bf3+– Qg2?? (better 29...Ra8 30.Bb2 b5+–) 30.Kg2+– 1–0. Fora,Jean_Paul – De Lagontrie,Jean (1780), 4th Muret France, 2015.

11.Na3 e5 12.d4 e4 13.Ne5 =+.

11.d3 0-0 12.Nbd2 Nbd7 13.Bb2 Ra8 14.Qb3 c5 (14...e5!?-/+) 15.bc5= Qb3 16.Nb3 Nc5 17.Nc5 Bc5 18.Ra1 Ra1 19.Ba1 Nd7 (19...Kf8 20.Ne5=) 20.Kf1 (20.Nh4!?+=) 20...e5 21.d4 ed4 22.cd4 Bb4 23.Ne1 Nf6 24.Bd3 Bg6 25.Bg6 hg6 26.Nd3 Bd6 27.f3 (27.Bc3!?=) 27...Bh2+= 28.f4 Ne4 29.Nc5 (29.Nb4!?=) 29...Nc5+= 30.dc5 Bg3 31.Ke2 Bh4 32.Kd3 Be7 33.Kd4?? (better is 33.Bd4-/+) 33...Bf6-+ 34.Kd5 Ba1 35.e4 Bc3 36.e5 (36.g4 Kf8 37.Kd6 Bb4-+) 36...Ba5 37.g4 Kf8 38.f5 (38.Kd6 Ke8-+) 38...gf5 39.gf5 Ke7 40.c6 (40.Kd4 g6 41.Ke4 gf5 42.Kf5 Bb4-+) 40...bc6 41.Kc6 Bc3 42.Kd5 Kd7 (better is 42...g5 43.Ke4 Bb2 44.Kd5-+) 43.Ke4 Kc6 44.e6 (44.f6 gf6 45.ef6 Kc5-+) 44...fe6 45.fe6 Kd6 46.Kf5 Bf6 (46...Bf6 47.e7 Ke7-+) 0–1. an27 (1635) – tatran (1660), kurnik, 2014.

11.Nd4 Bg6 12.Qa4 (12.f4 0-0=) 12...0-0 (12...e5 13.Nf3=+) 13.Na3 (13.f4 Be4=+) 13...e5-/+ 14.Nb3 Qc7 15.Nc5 (15.c4 e4 16.h3 Nbd7=+) 15...b6-/+ 16.Nd3 b5 (16...e4 17.Nf4-+) 17.Qd1 Bd3 18.Bd3 e4 19.Be2 Bh2 20.Kh1 Bd6 21.Nc2 Qe7 22.Nd4 Qe5 (22...Re8 23.f4-/+) 23.g3 (23.f4 Qe7-/+) 23...h5 (23...Qg5 24.d3-+) 24.c4 (24.f4 ef3 25.Rf3 h4-/+) 24...Qg5 (24...dc4!? 25.Nc6 Qg5 26.Bf6 Qf6 27.Nd4-+) 25.cb5-/+ h4 26.Nc6 hg3-+ 27.fg3? Qg3 28.Ne7? Be7 29.Bf6 Bf6 30.Bg4 Be5 31.Qe2 Qh4 32.Kg1 g6 33.Qg2 Bh2 34.Kh1 Bg3 35.Bh3 Kg7 36.Rg1 Rh8 37.Qg3 Qh3 38.Qh3 Rh3 39.Kg2 Rh5 40.Rc1 d4 41.Rc5 de3 42.de3 Nd7 43.Rc7 Nf8 44.Rc5 Ne6 45.Rc4 Rb5 46.Re4 Nc7 47.Kf3 Na6 48.Rd4 Rb4 49.Ke4 Rd4 50.ed4 Nc7 51.Ke5 Ne6 52.d5 f6 (53.Ke6 g5-/+; better is 52...Nc5-+) 0–1. Wallhoefer,Ulrich – Eichhorn,Martina, Oberschwaben–chB, 1995.

11.Nh4 Qc7 12.Nf5 Bh2 13.Kh1 ef5 =.

9.Qa4 e6 10.Qa5 Qa5 11.ba5 Be7 =+.

9.Qa4 e6 10.d3 Bd6 11.Nbd2 0-0 12.Qa5 (12.h3!? Bh5 13.Be2=+) 12...Qa5-/+ 13.ba5 Bf3 (13...Nbd7 14.Nb3-/+) 14.gf3 Nbd7 15.Nb3 Ra8 16.c4 Bb4 17.Kd1 Ba5 18.Na5 Ra5 19.Bb2 Kf8 (19...dc4 20.dc4 g6 21.Kc2-/+) 20.Kc2 (20.cd5 ed5 21.Kc2 Ke7-/+) 20...Ke7 (20...dc4 21.dc4 Ke7 22.Be2-/+) 21.cd5 ed5 22.Rg1 (22.d4 b6-/+) 22...g6-/+ 23.Be2 Ne8 24.d4 (24.f4 Nd6-/+) 24...Nd6 25.Kb3 (25.Ra1 Ra1 26.Ba1 Ke6-/+) 25...b6 26.h3 (26.Bc3 Ra8-/+) 26...c5 27.Bc3 Ra7 (27...Ra8 28.Rb1-/+) 28.Ra1 (28.Rg4 c4 29.Kb2 Ke6-+) 28...c4-+ 29.Kb4 Ra1 30.Ba1 Nb8 31.Ka3 (31.Bc3 Nc6 32.Ka4 Kf6-+) 31...Nc6 32.Bf1 b5 33.Bc3 0–1. marekt – Mely, ChessWorld.net, 2004.

9.Qa4 e6 10.Be2 Bd6 11.h3 (11.d3 0-0=+) 11...Bf3 12.Bf3 0-0 13.d4 (13.Be2 Nbd7=+) 13...Nbd7 14.Nd2 e5 15.de5 Ne5 16.Be2 Re8 (16...Qc7 17.0-0=+) 17.0-0 Ned7 18.Qd1 Bb8 (18...Ra8 19.Qb1=+) 19.Re1=+ Qc7 20.Nf1 (20.Nf3 Ne5=+) 20...b5 21.Bb2 (21.Qd4 Nb6=+) 21...Ne5 22.Qc2 (22.Qd4 Nc4 23.Bc4 Re4=+) 22...Nc4 23.Ra1 Ne4 24.Bd3 f5 25.Bc1 Ne5 26.Bb2 Qf7 27.Be2 Nc4 28.Bc4 bc4 29.Ra6 Qc7 30.Qa4 Re6 31.Qa5 Kf7 32.Qc7 Bc7 33.f3 Nf6 34.g4 fg4 35.hg4 h6 36.Kf2 g6 37.Ra7 Ne8 38.Ng3 Kf6 39.Bc1 Be5 40.Bd2 Bg3 41.Kg3 g5 42.Ra5 Nd6 43.Kg2 Nb5 44.Kf2 Kg6 45.Ra8 Nd6 46.Ra6 Kf6 47.Rc6+/- Ne4 48.fe4 Rc6 49.ed5 Ra6 50.e4= Ke5 51.Ke3 Ra1 52.b5 Rb1 53.b6 Rb6 54.Be1 Kd6 55.Kd4 Rb1 56.e5 Ke7 57.Bf2 Rb2 58.Be3+= Rg2 59.Kc4 Rg4 60.Kd3 h5 61.Bc5 Kf7 62.e6 Kf6 63.Bd4 Ke7 64.Bc5 (64.c4 h4 65.Bc5 Kf6+=) ½–½. Reuter,Alfred J – Evans,Chris I, IECC, 2000.

9.Qa4 e6 10.Ne5 Bf5 11.Na3 Bd6 12.Nf3 0-0 13.Be2 Nbd7 14.0-0 e5 15.h3 h6 16.d4 e4 17.Nd2 Qd8 18.Bb2 Nh7 19.f4 Qh4 20.Rf2 Bh3 21.gh3 Qg3 22.Kf1 Qh3 23.Ke1 Qe3 24.Nf1 Qh3 25.Nc2 Qh4 26.Nce3 b5 27.Qa6 Nb8 28.Qb6 Qd8 29.Qa7 Qc7 30.Qc7 Bc7 31.Nf5 Kh8 32.Bc1 Nf6 33.Rg2 Ne8 34.Rh2 Nd7 35.Nh6!+/- gh6 36.Rh6 Kg7 37.Rc6 f5 38.Bh5 Nb8? 39.Rc5 Bb6 40.Rd5 Nc7 41.Re5?? Re8?? 42.Ng3 Rh8 43.Nf5 (43.Nf5 Kf8 44.Ng3+–) 1–0. Jung,Hans Rudolf (2255) – Elieff,Kosta, London CAN London,Canada, 1992. (=1.Nf3 d5 2.b4 c6 3.Bb2 a5 4.a3 ab4 5.ab4 Ra1 6.Ba1 Qb6 7.c3 Nf6 8.e3 Bg4)

9.Qa4 Bf3 10.gf3 e5 11.Qa5 Nfd7 12.Rg1 Qa5 13.ba5 Bd6 (13...Rg8 14.d4=) 14.Rg7+= Kf8 15.Rg2 Bc7 16.c4 Ba5 17.f4 f6 18.fe5 Ne5 19.cd5 cd5 20.f4 Ned7 21.Nc3 Bc3 22.Bc3 Kf7 23.Be2 h5 24.Bf3 Nb6 25.Bd4 N8d7 26.d3 h4? (better is 26...Rc8+–) 27.Rb2 Na4 (27...Nc8 28.Rb7 Ke7 29.Bg4+–) 28.Rb7 (28.Bd5?! Ke7 29.Rb7 Kd6+–) 28...Ke6 29.Bg4 f5 30.Bf5! Kf5 31.Rd7 (31.Bh8?! Nac5 32.Rc7 Nd3 33.Ke2 N7c5+–) 31...Ke6 (31...Rb8 32.Rd5 Kg6 33.Ra5+–) 32.Ra7 (32...Rc8 33.Ra4+–) 1–0. Fiedler,Peter – Kapfenstein,Armin, remoteschach.de, 2003.

9.Qa4 Bf3 10.gf3 e5 11.c4 =+.

9.c4 Na6 10.b5 cb5 11.Bd4=.

9.c4 Qb4 10.Bc3 Qb6 11.Bd4 c5 (11...Qc7 12.Bf6 ef6 13.cd5=) 12.Bf6+= Qf6 (better 12...ef6!? 13.cd5 Be7+=) 13.cd5+– e5 (13...Bf3 14.gf3 Qb6 15.Qa4 Kd8 16.Nc3+–) 14.Qa4 Nd7?? (better 14...Bd7 15.Qa7 Bd6+–) 15.Qg4 h5 (15...Qg6 16.Qd7! Kd7 17.Ne5 Kc7 18.Ng6 hg6 19.Nc3+–) 16.Qa4 Bd6 17.Nc3 Ke7 (17...Qd8 18.Bb5+–) 18.Ne4 h4 (18...Qg6 19.Nh4 Qh7+–) 19.Nf6 (19.Nf6 Nf6 20.Qa7+–) 1–0. pcmvr – tche, net–chess.com, 2019.

9.c4 dc4 10.Na3 (10.Bc4 Bf3 11.Qf3 Qb4=) 10...Qb4 Black gets in control 11.Nc4 Bf3 12.gf3 b5 13.Bc3 Qc5 14.Ne5 (14.d4 Qa7 15.Ne5 e6-/+) 14...e6 15.Bd4 (15.Rg1 Nd5 16.Bd4 Qd6-/+) 15...Qa3 (15...Qd6 16.Rg1-/+) 16.Qc2 (16.Rg1 Qd6-/+) 16...Qa4 17.Qa4 (17.Qb1 Nd5-/+) 17...ba4 18.Bd3 (18.Rg1-/+) 18...Nbd7 (18...Bb4!?-+) 19.Nc6+= Bd6 20.Bb5 a3 21.e4 0-0 22.e5+= Ne5 23.Ne5 Rb8 24.Bd3 Nd5 25.0-0 Nf4 26.Ra1 Nd3 27.Nd3+= Rb5 28.Bc3 f6 29.Ne1 Kf7 30.Nc2 Rb3 31.h3 e5 32.Kf1 g5 33.Ke2+/- Ke6 34.Kd3 Kd5 35.Ne3 Ke6 36.Nc4 Bc5 37.Ne5 Rc3 38.dc3 Ke5 39.Kc4 Bf2 40.Kb5 Kf4 41.Ra3 Kf3 42.c4 Kf4 43.c5 Bc5 44.Kc5 f5 Black prepares g4 45.Kd4 h5 46.Ra1 g4 47.Rf1 Kg3 48.hg4 fg4 49.Ke3 Kh2 50.Rf4 (50.Rf4 Kg3 51.Rd4+–) 1–0. Degterev,Pavel – Daurelle,Herve, internet, 2006.

9.c4 Bf3 10.Qf3 Qb4 11.Qf5 -/+.

9.d4 Nbd7 10.Nbd2 e6 11.Qa4 Bd6 12.h3 Bf5 13.Qa8 Bb8 14.Nb3 0-0 15.Qa5 Qa5 (15...Qc7 16.Qc7 Bc7 17.Nfd2=+) 16.Na5 (16.ba5 Bd6=+) 16...Bc7-/+ 17.c4 (17.Nb7? Ra8 18.Na5 Ba5 19.ba5 Ra5-+) 17...Ra8 18.Bc3 Ne4 19.Bd2 Nd2 20.Nd2 Ba5 21.ba5 Ra5 22.g4 Bc2 23.f4 b5 24.cb5 cb5 25.Kf2 Ra1 26.Rg1 (better is 26.Bg2 Ra2 27.Rc1-+) 26...b4 27.Bb5 Rg1 28.Kg1 Nb6 29.Kf2 b3 30.Ke2 b2 31.Bd3 Bd3 32.Kd3 Nc4 33.Nb1 f5 34.Ke2 (34.gf5 ef5 35.Kc2 Ne3 36.Kb2 Ng2-+) 34...Kf7 35.Kf3 h6 36.Ke2 fg4 37.hg4 g6 38.Kf3 h5 39.g5 (39.gh5 gh5 40.e4-+) 39...Nd6 40.Kg3 Nf5 0–1. marekt – zsoyd, ChessWorld.net, 2003.

9.d4 Bf3 10.Qf3 Qa7 11.Bb2 A) 11...Qa2 12.Qf5 Nbd7 (12...e6 13.Qc2 Nbd7 14.Bd3 Nb6 15.Na3 Na4 16.Qa4 Qb2 17.Qa8 Ke7=) 13.Qc2 e5 14.Be2 ed4 15.ed4 Nb6 16.Bd3 Nc4 17.Bc4 Qc4=; B) 11...Nbd7 B1) 12.Qd1 b5 (12...Qa2 13.Qc2 e5 14.Be2 ed4 15.ed4 Nb6 16.Bd3 Nc4 17.Bc4 Qc4=; 12...e6 13.Bd3 Bd6 14.0-0 Qb8 15.f4 Qc7 16.Qf3 0-0 17.Nd2 Ra8=; 12...e5= 13.Be2 Bd6 14.0-0 e4 15.Nd2 0-0 16.Qc2 Qb8 17.h3 Qc7=) 13.Bd3 e5 14.Bf5 Bd6 15.de5 Ne5 16.Na3 Qc7 17.h3 Qe7+=; B2) 12.Bd3 Qa2 (12...e5 13.Bf5 g6 14.Bd7 Nd7 15.0-0 Qa2 16.Ba3 Bg7 17.b5 f5=) 13.Qe2 e5 14.Qc2 e4 15.Be2 b5 16.Na3 Nb6 17.0-0 Na4+=; B3) 12.Qe2 b5 (12...e5 13.de5 Ne5 14.Qc2 Bd6 15.Be2 Qa2 16.Nd2 Qa7 17.0-0 b5=; 12...e6 13.Qd1 Bd6 14.Bd3 e5 15.Bf5 0-0 16.0-0 Ra8 17.de5 Ne5+=; 12...Qa4 13.Na3 e5 14.Qc2 Qc2 15.Nc2 b5 16.de5 Ne5 17.Nd4 Kd7+=) 13.Na3 e5 14.f4 ef4 15.ef4 Be7 16.Qd3 0-0 17.Be2 Re8+=; B4) 12.Qf5 e6 (12...Qa2 13.Qc2 e5 14.Be2 ed4 15.ed4 Nb6 16.Bd3 Nc4 17.Bc4 Qc4=; 12...Qb8 13.Be2 e6 14.Qh3 Qa8 15.Bd3 Bd6 16.0-0 Qa2 17.Ba3 Qb3=) 13.Qc2 Bd6 14.Nd2 0-0 15.Bd3 Ra8 16.0-0 Qb8 17.Nf3 b5=.

9.d4 Bf3 10.Qf3 Qa7 11.Qg3 e6 (11...Nbd7 12.Qc7 e6 13.Qa5+= Qb8 14.Nd2 Bd6 15.c4 0-0 16.b5 Qa8 17.Qa8 Ra8+=) 12.Bd3 (12.Bb2 Ne4 13.Qc7 Nd7 14.Qc8 Ke7 15.Ba3 Nd6 16.Qc7 Qb6 17.Qb6 Nb6=) 12...Nbd7 13.Bb2 Qa2 14.Ba3 Ne4 (14...e5 15.de5 Ne4 16.Be4 de4 17.0-0= Qd5=) 15.Be4+= de4 16.0-0 e5 17.de5 (17.Qg4 Qd5+=) 17...Qd5 (17...b5 18.Rc1 Nb6 19.e6 Qe6 20.Qc7+/-) 18.e6 fe6 (18...Qe6 19.Qc7 b5 20.Rd1+=) 19.Qc7+/- b5 (19...c5 20.Qc8 Kf7 21.bc5+/-) 20.c4! Qd3 21.cb5 cb5 22.Nc3 Bd6 23.Qc6 0-0+/- 24.Rd1 Qc2= 25.Rf1 Ne5 26.Qd6 Qc3 27.Qe6 Kh8 28.Qe7 Ra8-/+ 29.Rd1 Nd3?? 30.Qe4+/- Qa3 31.Qd5 Rc8 32.h3 Qb4 33.Qd3 Qa5 34.Qf5 Rb8 35.Qe5 Qb6 36.Rd7 Rg8 37.Qd4 Qd4 38.Rd4 Rb8 39.Kf1 b4+– 40.Ke1 b3 41.Rd1+– g5 42.Rb1 h5 43.Rb2 g4 44.hg4 hg4 45.Kd2 g3 46.f3 Rd8 47.Kc3 Rd1 48.e4 Kg7 49.Kb3 Kf6 50.Kc2 Rg1 51.Kd3 Ke5 52.Ke3 Re1 53.Re2 Rf1 54.Ra2 Re1 55.Kd2 Rg1 56.Ra5 Kf6 57.Ke3 Rg2 58.Kf4 Rg1 59.Rg5 g2 60.Rg4 Ke6 61.Kg3 Ke5 62.Kf2 Ra1 63.Rg2 Kd4 64.Rg5 Ra2 65.Kg3 Ra1 66.Kf4 Kd3 67.Rb5 Ra8 68.Rd5 Ke2 69.e5 Ra4 70.Kf5 Ke3 71.e6 Rf4 72.Ke5 Kf3 73.Rd3 Kg4 74.Rd4 (74.Rd4 Kg3 75.Rf4 Kh2 76.e7 Kg2 77.e8Q Kg3 78.Qg6 Kh3 79.Rf8 Kh4 80.Rh8) 1–0. Doncea,Vladimir (2200) – Milovic,Jovan (2220), TCh–Europe u18, Balatonlelle HUN, 2003. (=1.Nf3 Nf6 2.b4 c6 3.Bb2 a5 4.a3 ab4 5.ab4 Ra1 6.Ba1 Qb6 7.c3 d5 8.e3 Bg4)

9.d4 Bf3 10.Qf3 Nbd7 11.Nd2 e6 12.Be2 (12.Bd3 e5 13.Qg3 Bd6=) 12...Bd6=+ 13.0-0 0-0 14.b5 (14.Bb2 Ra8=+) 14...cb5-/+ 15.e4 Ne4 16.Ne4 de4 17.Qe4 Nf6 (17...Ra8 18.Bf3-/+) 18.Qb1 Attacking the isolated pawn on b5 (18.Qd3 b4=+) 18...Qc7 (18...b4 19.cb4 Qb4 20.Bf3=+) 19.g3 Nd5 Attacks the backward pawn on c3 (19...b4 20.cb4 Rc8 21.b5=+) 20.Bb5 (20.Rc1 Ba3 21.Rc2 b4=+) 20...Nc3=+ 21.Bc3 Qc3 22.Qe4 b6 (better 22...Ra8=+) 23.Rc1?? (better 23.Rb1=+) 23...Qc1-+ 24.Kg2 Rc8 25.Bd3 (25.Qb7 Qc2-+) 25...Qc6 26.f3 (26.Kf3 Qe4 27.Ke4 Bb4-+) 26...Qe4 27.fe4 Be7 28.d5 (28.Kf3 Rd8-+) 28...Rc5 29.de6 fe6 30.Be2 (30.Kf3 b5 31.Ke3 b4-+) 30...b5 31.Bg4 (31.Kf2 b4 32.Bd3 b3-+) 31...Kf7 32.h3 Rc2 33.Kf1 b4 34.Be2 Rc1 35.Kf2 Bc5 36.Kg2 b3 37.Bd3 Rd1 38.Bc4 b2 39.Ba2 (39.g4 b1Q 40.Be6 Ke6 41.Kg3 Rg1 42.Kf4 Qc1 43.Kf3 Qe3) 39...Ra1 40.Bb1 (40.Bc4 b1Q 41.Kf3 Ra3 42.Kf4 Bd6 43.Kg5 Qc1 44.Kg4 Rg3 45.Kh5 Qg5) 40...Rb1 41.Kf3 (41.e5 Rg1 42.Kf3 b1Q 43.g4 Qd3 44.Kf4 Qe3) 41...Rf1 42.Kg4 b1Q 43.Kh5 (43.Kg5 Be7 44.Kh5 Rf5 45.ef5 Qf5) 43...Qe4 44.g4 Qg6 45.Kh4 Bf2 0–1. Martins,Karin – Johannes,Jan, corr TKM/A002, 1999.

9.Be2 Na6 10.0-0 Bf3 11.Bf3 e5 12.Be2 Bd6 13.Qa4 0-0 14.Na3 Ra8 15.Ba6 Ra6 16.Qb3 Ne4 17.Rd1 Qa7 (better is 17...Nc5!? 18.Qc2 Ra3 19.bc5 Qc5-+) 18.Bb2 Nf6 19.Ra1 Ne4 20.Qd1 c5 21.d3 (21.b5 Ra4 22.c4 d4= (< 22...dc4 23.f3+/-)) 21...Nf6 (better is 21...Nc3!? 22.Bc3 Ra3 23.bc5 Qc5-/+) 22.Nb5 Ra1 23.Qa1 Qa1 24.Ba1 Be7 25.bc5 Bc5 26.c4 dc4 27.dc4 Nd7 28.Kf1 ½–½. hal1958 – kali, HCL–A1484 playchess.de, 2003.

9.Be2 e5 10.0-0 Bd6 11.Ng5 Be2 12.Qe2 Nbd7 13.d3 Qa6 14.Nd2 e4! 15.Nb3? (15.de4 Qe2) 15...Ne5 (15...Qd3?! 16.Qd3 ed3 17.Rd1-/+) 16.Qd2 Qd3 17.Qc1 Qe2 18.f3? (18.Nd4 Qg4 19.f4-+) 18...Nd3 19.Qd2 Bh2! 20.Kh2 Qf1 21.Nh3 (21.Qa2 0-0 22.c4 Nb4-+) 21…ef3 (22.gf3 Qf3 23.Qd3 Ne4-+) 0–1. Hasler,Ulrich (1990) – Muck,Christian, World Cup XII P058, 2000.

9.Be2 e5 10.d3 Bd6 11.0-0 =+.

9.Be2 e5 10.Ne5? Be2 11.Qe2 Qa7 -/+.

9.Be2 Bf3 10.Bf3 e5 11.0-0 e4 12.Be2 Bd6 (12...Nbd7 13.d3=) 13.d3 0-0 14.d4 (14.de4 Ne4 15.Nd2 Nd2 16.Qd2 Rd8=) 14...Nbd7 15.Nd2 h6 16.f3 (16.Qb3 Ra8=) 16...ef3=+ 17.Bf3 Nh7 (17...Re8 18.Re1 Ra8=+) 18.Nb3? (better 18.e4!?=) 18...Ndf6 19.Nc5 (19.g3 Ng5-/+) 19...Qc7 (19...Ng5 20.Bb2-/+) 20.g3 b6 21.Nd3 Ng5 22.Nf4 (22.Bg2 Nge4-/+) 22...Nf3 (22...Qe7 23.Qe2-+) 23.Qf3-/+ Ne4 24.Qg4 Bf4 (24...Ra8 25.Qe2 Qe7-+) 25.Rf4? (better 25.ef4 Qa7 26.Qe2-/+) 25...Ra8-+ 26.Qd1? (26.Bb2 Ra2 27.Qe2-+) 26...Ra2 27.Qc1 (27.Qb1 Qa7 28.Bb2-+) 27...Qa7 28.Bb2 Qa4 29.Rf1 (29.c4 Qb3 30.cd5 Rb2 (30...Qb2?! 31.Qb2 Rb2 32.Re4 cd5 33.Re5=) 31.Re4 Rb1 32.Re8 Kh7 33.Qb1 Qb1 34.Kf2 cd5-+) 29...Qb3 30.Ba1 Rc2 (better 30...Ng5 31.h4 Qc4 32.hg5 Qe2-+) 31.Qe1 (31.Qb1 Qb1 32.Rb1-+) 31...Qc4 (31...Qa2 32.g4 Rh2 33.Bb2 Qb2 34.Rf2 Rf2 35.b5 Rg2 36.Kf1 Ng3 37.Qg3 Qe2) 32.Qd1 Rd2 (32...Qa2 33.Qf3 Ng5 34.Qh5 Rg2 35.Kh1 Qc2 36.c4 Rd2 37.cd5 Qe4 38.Qf3 Nf3 39.Rf2 Rf2 40.dc6 Rh2) 33.Qf3 (33.Qg4 Ng5 34.Qc8 Kh7-+) 33...f6 (33...Ng5 34.Qg4 Qa2 35.Qf5 Rg2 36.Kh1 Rh2 37.Kg1 Qg2) 34.Qf5 Qe2?? (better 34...Nd6 35.Qf3 Qa2-+) 35.Qc8 Kf7 36.Qd7 Kg8 37.Qc8 Kh7 38.Qf5 g6 39.Qd7 Kh8 ½–½. zvujovic – tche, net–chess.com, 2019.

9.Be2 Bf3 10.Bf3 e5 11.d3 Bd6 12.Nd2 0-0 13.0-0 Nbd7 14.Qb3 (14.Qa4 Qc7=) 14...h6 15.Rc1 Nh7 (15...Re8 16.Bb2=) 16.Bg4 (16.e4!?+=) 16...Ndf6=+ 17.Bf3 Ng5 18.Be2 Ra8 19.e4 (19.Bb2 Qb5=+) 19...de4-/+ 20.Nc4 Qc7 21.Nd6 Qd6 22.Rd1? (better 22.c4!?-/+) 22...e3 (22...ed3 23.Bd3 Ra1 24.Ra1 Qd3 25.Qb1-+) 23.fe3 (23.Bb2 ef2 24.Kf2 Nd5-+) 23...Nd5 24.e4 Nf4 (24...Ne3 25.Qb1-+) 25.Bg4? (25.Qc2!?-/+) 25...h5 (better 25...Qg6 26.Qc2 Ne4-+) 26.Bf3?? (better 26.Bf5-+) 26...Nf3 27.gf3 Qg6 (27...Qg6 28.Kf2 Qg2 29.Ke1 Qe2; 27...Nd3?! 28.Qc2 Qg6 29.Kh1-+) 0–1. imreallylousy – tche, net–chess.com, 2019.

9.Be2 Bf3 10.Bf3= g6 11.0-0 Bg7 12.Na3 (12.d3 0-0=) 12...0-0 13.Qb3 (13.Bb2 Nbd7=) 13...Qc7 (13...Na6 14.Rb1=) 14.b5 (14.c4 Qd6+=) 14...Nbd7 (14...e5 15.d3=) 15.Rb1 (15.c4 Ra8=) 15...Ra8 (15...Nc5 16.Qa2=) 16.d4 e6 (16...Ne4 17.Be4 de4 18.c4=) 17.g3 (17.c4 c5=) 17...h5 (17...Ne4 18.Be4 de4 19.bc6 bc6 20.Bb2=+) 18.c4= Bf8 (18...Ne4 19.Be4 de4 20.bc6 bc6 21.Bb2=) 19.Nc2 Kg7 (19...cb5 20.Qb5 Ne8 21.Qb3 dc4 22.Qc3=+ (22.Qb7?? Rb8-+)) 20.b6+= Qd8 21.c5 Nh7 22.Bc3 Ng5 23.Bg2 Nf6 24.f3 Kg8+= 25.Ra1 Rb8 26.Ra7+/- Nd7 27.Kf2 e5 28.f4 ef4 29.gf4 Ne6 30.Bh3?? Bh6?? 31.Be6 Qh4 32.Kg1 fe6= 33.Qb1 Qg4 34.Kf1 Qf3 35.Kg1= Bf4 36.ef4 A pinning theme 36...Qc3 37.Qe1 Qe1 38.Ne1= Kf7 39.Kf2 Kf6 40.Kf3 g5=+ 41.Nd3 g4 42.Ke3 Kf5 43.Nc1 Nf6 44.Nb3 h4 45.Na5 g3 46.hg3 h3 47.Kf3?? Rh8 48.Nb7=+ h2 49.Ra1 h1Q 50.Rh1 Rh1 51.Nd8 Rb1 52.Nc6 Rb3 53.Kf2 Nd7 54.Ne7? Ke4-+ 55.b7? Rb7 56.c6 Rb2 57.Ke1 Rc2 58.f5 (58.cd7 Ke3 59.Nd5 ed5 60.Kd1 Rd2 61.Kc1+–) 0–1. Wilk,Adam – Klimczok,Krystian, Poland–chT region, 1999.

9.h3 Bf3 10.gf3!? Nbd7 11.Qa4 =.

9.h3 Bf3 10.Qf3 Nbd7 11.Bd3 (11.Be2 e5=) 11...e5 (11...Ne5 12.Qe2=+) 12.e4 Bd6 13.ed5 cd5 14.Qe3 (14.0-0 e4 15.Qe2 0-0-/+) 14...e4 15.Qb6 Nb6 16.Bb5 (16.Be2 Nc4=+) 16...Ke7 17.Na3 (17.d3 Ra8 18.Bb2 Ra2-/+) 17...Ra8-/+ 18.Bb2 Na4 19.Bc1 Bf4 (19...d4 20.cd4 Nb6 21.Nc2=+) 20.g3=+ Bh6 21.Nb1 Nb6 22.Na3 Nfd7 (22...Nbd7 23.Ke2=+) 23.Nc2 (23.Ke2 Ne5=+) 23...Ne5 24.Nd4 Nbc4 25.Bc4 dc4 26.0-0 (26.Nf5 Ke6 27.Nh6 Nd3 28.Ke2 gh6 29.Ke3-+) 0–1. Sawamura,Tetsushi – Kachkin,Konstantin (2215), CP.2002.P.00062, 2002.

9.h3 Bf3 10.Qf3 e5 11.Qf5 Nbd7 12.Be2 =+.

9.h3 Bh5 10.Bb2 =+.

9.h3 Bh5 10.d3 Nbd7 11.g4 Bg6 12.Nbd2 (12.g5 Nh5=) 12...e5=+ 13.Nh4 Be7 (13...Bd6 14.Ng6 hg6 15.Bg2=) 14.Ng6 (14.g5 Bh5 15.Qa4 Ng8 16.Qa8 Qd8 17.Qb7 Bg5+/-) 14...hg6 15.Bg2 (15.g5 Nh7 16.Qa4 Ng5-/+) 15...c5 (15...g5 16.Nf3=) 16.g5 Nh7 17.h4 cb4 (17...Qb5 18.Bd5 Qd3 19.Qf3+=) 18.Bd5+= Qa6 (18...bc3 19.Bc3 Nc5 20.d4 ed4 21.Bd4+/-) 19.c4 f6 (19...b5!?+=) 20.d4+/- Nhf8 (20...ed4 21.Bd4 Nc5 22.Qb1+/-) 21.gf6 (21.de5 Ne5 22.Be5 fe5+–) 21...gf6+/- 22.h5 gh5 23.Rh5 Rh5 24.Qh5 Kd8 25.Nb3 ed4 26.Bd4+– Ne6 27.Qh8 Nef8 28.Qg8 Qa2 29.Nd2 b3 30.c5 Qa5 31.Kd1+/- b2 32.Bb2 Qa6 33.Bc4+– Qc6 34.Ke2 Nc5+/- 35.Bc3 Ncd7 36.Nf3 Nb6 37.Ba5 Kc8 38.Bd3 Qd5 39.Qg4 +–. Trokenheim,Marek – Schutt,Raymond, IECC CL1–1966.6, 1996.

9.h3 Bh5 10.Be2 c5 (10...e6!?=+) 11.Qa4 (11.bc5 Qa7 12.Bb2 Nc6+–) 11...Nfd7 12.0-0 e5 (better 12...c4+=) 13.Qa5?? (better 13.g4!? Bg6 14.Ne5+–) 13...Bf3 (13...Qa5!? 14.ba5 e4-/+) 14.Bf3 e4 15.Be2 Nc6 (better 15...Qa5!? 16.ba5 c4=) 16.Qa8+– Ndb8 (better 16...Nd8!?+–) 17.b5+– Qa7 18.Qa7 Na7 19.c4 dc4 20.Bc4 Nd7 21.Nc3 Nb6 (21...Nf6 22.Na4+–) 22.Be2 f5 23.Bh5 (better 23.f3!? ef3 24.Bf3 Bd6+–) 23...g6 24.Be2 Rg8 25.Rc1 (25.f3 ef3 26.Bf3 Kd8+–) 25...c4 (25...Nac8 26.f3 Nd6 27.fe4 fe4 28.Bb2+–) 26.Rb1 (26.Nd5 Nd5 27.Bc4 Ba3+–) 26...g5? (26...Bc5!?+–) 27.Bh5 (27.g4!? Nac8 28.gf5 Nd6 29.Bh5 Ke7 30.f6 Ke6+–) 27...Ke7 28.Be2 Kd6?? (28...Ke8 29.g4 Nac8 30.gf5+–) 29.Rb2?? (29.g4!? Bg7 30.gf5 Bc3 31.Bc3 Nac8+–) 29...Kc5?? Exerts pressure on the isolated pawn (29...Bg7 30.Rb1 Bf8 31.g4+–) 30.Rb1 Nd5?? (30...Kd6 31.g4 Bg7 32.gf5 Bc3 33.Bc3 Nac8+–) 31.Nd5 Kd5 32.Rc1 Ba3 (32...c3 33.Rc3 Kd6+–) 33.Bc4 Kd6 34.Bc3 (better 34.Rc3 Rc8 35.Ra3 Rc4 36.Ra7+–) 34...Bc1 (better 34...Rc8!? 35.Ra1 Rc4 36.Ra3 Nb5=) 35.Bg8 Nb5 36.Bb4 Ke5 37.Bh7 f4 (37...b6 38.g4 fg4 39.d4 ed3 40.Bd3+–) 38.ef4 Kf4 39.Kf1 Nd4?? (39...Ke5 40.d3 ed3 41.Bd3+–) 40.Bc3 (40.Bd6) 40...Ke5+– 41.Ke1 Ba3 (41...b5 42.Kd1 Ba3 43.Bg8+–) 42.Bg8 (42.d3 b5 43.de4 b4+–) 42...Bc5 43.Kd1 (43.d3 Bb4 44.Bb4 Nc2 45.Kd2 Nb4 46.de4 Ke4+–) 43...b5 (43...Kf4 44.Bd5+=) 44.Bh7 (44.d3!?+–) 44...b4+= 45.Bb2 Kf4 46.Ba1 Nb3 47.Bg7 (47.Bf6 Bf2 48.Bd8 g4+=) 47...Bf2= 48.Ke2 Bc5 49.Bh6 Nd4 50.Kd1 b3 51.Kc1 Ba3 52.Kb1 b2 (52...Nf5 53.g3 Ng3 54.h4=) 53.Bg7 (53.h4 Ne6+=) 53...Nb3 54.Bb2 Bb2 55.Kb2 (55.Kc2 Bc1 56.Kb3 Bd2=) 55...Nd2=+ 56.Kc3 Nf1 57.Kc2? (57.Bg6 Ke3 58.Kc4 Nd2 59.Kd5 Kf4=+) 57...Ng3 (better 57...Ne3!? 58.Kd2 Ng2-+) 58.Kd1 e3 59.Ke1 g4 60.h4 Nh1 61.Bg6 g3 62.h5 Kg5 63.Be8 Nf2 64.Ke2 Ng4 65.Kf3 Kh4 66.h6 Nh6 67.Ke3 Nf5 68.Kf4 Nd6 69.Bc6 Nc4 ½–½. 2007michas (1615) – fitz1773 (1705), gameknot.com, 2018.

10.Bd3 Bd6 11.Nbd2 Nbd7 12.0-0 e5 (12...0-0 13.Qa4=+) 13.de5 Ne5 14.Be2 Nf3 15.Bf3 Bf3 16.Nf3 (16.Qf3 0-0=+) 16...0-0 (16...Qa6!?-/+) 17.c4= Be7 18.Qc2 Qb4 (18...dc4 19.Bf6 gf6 20.Qc4 Qb4 21.Qc2=) 19.cd5= Nd5 20.Rb1 (20.e4 Nf4=+) 20...Qa3=+ 21.Be5 Nb4 (21...f6 22.Bd4 Rd8 23.Ne1=+) 22.Qe4 (22.Qf5 Nd3=+) 22...Nd5 (22...g6 23.h3=+) 23.Qc2 f6 24.Bd4 Rd8 25.e4 Nc7 (25...Nb4 26.Qc4 Kh8 27.h3=+) 26.Bb6 (26.Ra1 Qb4 27.Rb1 Qa3=) 26...Rd7 27.Qc4 Kh8 28.h3 (28.Bc7 Rc7 29.e5 b5=+) 28...Qd6 29.Qa4 Ne6 30.Qa8 Bf8 31.Re1 (31.e5 fe5 32.Re1 Rf7=+) 31...c5 32.Qa4 Re7 33.Qb5 Qd7 34.Qc4 (34.Qa5 Kg8=+) 34...Qc6-/+ 35.Rb1 Re8 (35...Nf4 A) 36.Bc5?? Re4 37.Qb5 Qc5-+ (37...Bc5 38.Qc6 Re1 39.Re1 Bf8 40.Re8 Ng6 41.Qe4 Kg8 42.Nh4 h6 43.Ng6 Kh7 44.Ne7 f5 45.Qf5 g6 46.Qf8 b5 47.Qf7); B) 36.Qc5 Qe4 37.Rb4 Ne2 38.Kh2=+) 36.g3 (36.e5 Ra8 37.ef6 gf6=+) 36...h6 (36...Ra8 37.Qd5-/+) 37.Qd5 Rc8 (37...Ra8 38.Kg2=+) 38.Nh4 (38.Ba5 Qd5 39.ed5 Nc7=+) 38...Kh7 39.Qf5 (better 39.Ba5!? Qd5 40.ed5=+) 39...Kg8-/+ 40.Nf3 Ra8 41.Qd5 Ra4 0–1. Nilsson,Nils_Ake – Joensson,Paul, corr SSKK, 2001.

10.Be2 Bd6 11.0-0 0-0 12.Nbd2 Nbd7 =+.

10.Be2 Bd6 11.0-0 0-0 12.h3 Bf3 13.Bf3 Nbd7 14.Nd2 =+.

10.Be2 Bd6 11.0-0 0-0 12.h3 Bh5 13.Nbd2 Nbd7 14.g4 Bg6 15.Nh4 Ra8 (15...e5 16.f4 ef4 17.ef4=) 16.Ng6= hg6 17.Qc2 (17.g5 Nh7 18.f4 Qc7=) 17...Nh7 (17...g5 18.e4 e5 19.de5 Be5 20.ed5 cd5 21.Nf3=+) 18.f4 e5 (18...Qc7 19.Nf3=) 19.fe5+= Be5 20.Nf3 (20.de5 A pinning theme 20...Qe3 Theme: Double Attack) 20...Bg3 (20...Bd6 21.Bd3=) 21.Bd3 Re8 22.Qd2 (22.Kg2 Bb8 23.Qf2 Nhf6=) 22...Ndf6 23.Bb2 Qc7 24.c4 dc4 25.Bc4= Qe7 Attacking the backward pawn on e3 26.Bc1 b5 27.Bb3= Nd5 The pressure on the backward pawn e3 grows. Attacks the isolani on b4 28.Qd3 Qe4 29.Qe4= Re4 30.Bd2 Ne3 31.Rc1 Kf8 32.Rc3 Bf4+= 33.Rc6 Nf6 34.Rc5 Neg4 35.Rc8 Ke7= 36.hg4 Bd2 37.Nd2 Rd4 38.Rc7 Nd7=+ 39.Nf3 Rd3 40.Bf7= Rf3 41.Bg6 Kd6 42.Rb7 Rf4 43.Bf5 Ne5 44.Rb5 Ng4 45.Bg4 Rg4 46.Kf2 ½–½. Dopper,Johan – Schug,Heinz_Erich, corr ICCF cup X, 1994.

10.Be2 Bd6=+ 11.0-0 Nbd7 12.Nbd2 0-0 13.h3 Bh5 14.Qc2 (14.Qa4 Re8=+) 14...Ra8 15.Bd3 e5 16.de5 Ne5 17.Ne5 Be5 18.Bb2 Bg6 19.Bg6 fg6 20.Rb1 (20.Re1 Re8=) 20...Ra2 21.Qb3 Qa6 22.f4 Bc7 23.c4 Qa4 24.Bf6 (24.Qa4 Ra4 25.Bd4 Ra2=) 24...gf6 (24...Qb3 25.Nb3 gf6 26.cd5 cd5 27.Rd1=) 25.cd5 Qb3 26.Nb3 (26.Rb3? Rd2 27.dc6 bc6-+) 26...cd5 27.Rd1 Rb2 ½–½. Van Rooijen,Peter – Schmickt,Bernhard, Orang–Utan Invitational, 2002.

11.Bd3 0-0 12.Qc2 Nbd7=+ 13.Bb2 Ra8 14.0-0 Qc7 15.h3 Bh5 16.Ra1 Ra1 17.Ba1 b5 18.Bb2 e5 19.de5 Be5 (20.Ne5 A) < 20...Qe5 21.c4 Bd1 22.Qc1+/- (22.Be5?! Bc2 23.Bc2 Ne5=); B) 20...Ne5=). hooks – Mely, ChessWorld.net, 2006.

11.Bd3 0-0 12.e4 e5 13.de5 Be5=+.

11.Bd3 Nbd7 12.0-0 =+.

11.Bd3 Bf5 12.Be2 (12.Bf5 ef5 13.Nh4 g6=) 12...Nbd7 (12...0-0 13.Nh4=) 13.Nh4 Be4 14.f3 Bg6 15.0-0 (15.Ng6 hg6 16.f4 Ng8=) 15...Bh5 (15...Qc7 16.f4=+) 16.g3= g5 17.Ng2 0-0 18.Nb3 Ra8 19.Qd2 h6 20.Nc5 Qc7 (20...Nc5? 21.bc5 Bc5 22.dc5 Qc5 23.c4+–; < 20...Bc5 21.dc5 Qc7 22.c4+=) 21.Bb2 Bg6 (21...b6 22.Na6 Qc8 23.g4=+) 22.c4= Nb6 23.Ne6 (23.cd5 ed5 (< 23...Nfd5 24.e4+/-; < 23...Nbd5 24.e4+/-) 24.Rc1 Ra2=) 23...fe6=+ 24.c5 Nc4 (24...Bf8 25.cb6 Qb6 26.Bc3=) 25.Bc4= (< 25.cd6 Nd2 26.dc7 Nf1 27.Kf1 Ne8-/+) 25...Bg3 26.hg3 dc4 Annihilates a defender: c4 27.e4 Ra2 28.g4+= Qg3 29.Qc3 Be4 30.d5 Rb2 31.Qb2 Bf3 32.Qf2 Qf2 33.Rf2 ed5 34.Rf3 Ng4 35.Ne1 Kg7 36.Nc2 Ne5=+ 37.Rf1 Kg6 38.Kg2 h5 39.Rf8 g4 40.Nd4 h4 41.Rg8 Kf6 42.Rb8 c3 43.Re8 Nc4=+ 44.Kf2 g3= 45.Kg2 Kg5 46.Kh3 Nd2 47.Rg8 Kf4 48.Ne2 Kf3 49.Nc3+/- d4 50.Rf8 Ke3 51.Re8 Kf3 52.Ne2 d3 53.Nd4 Kf4 54.Rh8 Ne4 55.Rf8 (55.Kh4 d2 56.Rd8 g2-+) ½–½. Trokenheim,Marek – Bonetti,Shane, TSC TT–12, 2004.

11.h3 Bf3 12.Nf3 Nbd7 13.Bd3 0-0 14.0-0 Qc7 15.Qc2 b5 16.Nd2 Ra8 17.e4 de4 18.Ne4 Ne4 19.Be4 Nf6 20.Bf3 Nd5 21.Bb2 Qe7 22.g3 Qf6 23.Bg2 h5 24.h4 Ra2 25.Qb1 Ra6 26.Re1 g6 27.Qd1 Ra2 28.Qb3 ½–½. van Daatselaar,JB (2185) – Hofland,Leo (2310), KE05 NBC Email, 2003.

11.h3 Bh5 12.Bd3 =+.

10.0-0 e5 11.d3 Bd6 12.Nbd2 0-0 13.h3 Bh5 14.e4 de4 15.Ne4 Ne4 16.de4 Qc7 17.Qb3 Nf6 18.Re1 Ne4 19.c4 Kh8?? (better is 19...Qb6 20.Rf1 Ng3-+) 20.c5+/- Be7 21.Be5 Qc8 22.Bd1 Bf3 23.Bf3 (23.gf3?! Nf6 24.f4 Qf5=) 23...Nf6 24.Qb2 Qf5 25.Bg4 Qg6 26.Bf3 Rd8 (better is 26...Qf5!?=) 27.Bc3+/- Bf8 (28.Bf6 gf6+/-) +/-. woelfie – kali, HCL–B2014 playchess.de, 2003.

10.0-0 e5 11.Ne1 Bf5 12.Nd3? (12.f4!? e4 13.Nc2=) 12...Bd6 (12...Qa6!? 13.Ne5 Qa1 14.Nd7 Nd7 15.d3-+) 13.Nb2 0-0 14.Na4? (better is 14.Qa4!?-/+) 14...Qa7-+ 15.d3? (15.e4 Bg6 16.b5 Ra8 (16...de4?! 17.bc6 bc6 18.c4-+; 16...Ne4?! 17.c4-+) 17.bc6 bc6 (17...Qa4?! 18.Qa4 Ra4 19.cd7 Nd7 20.Bb2-+) 18.ed5 Nd5-+) 15...e4 (better is 15...Ra8-+) 16.de4-/+ Be4 17.Nd2 Bg6 18.Nb2 Qb8 19.g3 h5 20.Nd3 h4 21.Nf4 hg3 22.fg3 Bh7 23.Nf3 Ne4 24.Nd4 Ne5 25.Bb2 Qc8 26.Bd3 Ng4 27.Be2?? (better is 27.Qe1=+) 27...Ne3-+ 28.Qc1 Nf1 29.Qf1 Nd2 30.Qf2 Ne4?? (30...Re8 31.Bc1 Ne4 32.Qf3-+) 31.Qe1?? (31.Qf1 Re8 32.Kg2-+) 31...Re8 32.Qc1 Bf4 33.Qf4 Qa8 34.Qc1 Qa2 35.Bf3 Nd6 36.Bg2 (36.b5-+) 36...Nc4 37.Ba1 Ne3 (37...Ra8 38.Bb2-+) 38.Qb2 (38.Bf3 Bd3 39.Bb2 Nc4-+) 38...Qb2 (38...Ra8 39.Nb3 Qb2 40.Bb2-+) 39.Bb2 Nd1 (< 39...Ng2 40.Kg2 Be4 41.Kh3-+) 40.Bc1 Re1 41.Bf1 Bd3 (42.Kg2 Bf1 43.Kf3 Bd3-+) 0–1. valpa – Stephen, HCL–B2070 playchess.de, 2003.

10.0-0 e5 11.Ne1 h5 12.f3 Be6 13.Bb2 h4 14.Nd3 Bd6 15.f4 ef4 16.Nf4 Bf4 17.Rf4 h3 18.g3 Nc5? (18...0-0 19.Qc2=) 19.bc5+= Qb2 20.Rb4 Qa1 21.Rb7 (better is 21.Ra4 Qa4 22.Qa4+–) 21...0-0+/- 22.Rb6 Bf5 23.Qf1 Bb1 24.Rb1 (24.Qb1?! Qb1 25.Rb1 Ne4=) 24...Qa5 25.Ra1 Qc5 26.Qh3 Ne4 27.Bd3 g6 28.Be4 de4 29.Qf1 Qd6 30.Qd1 Rd8 31.Ra2 Qc5 32.Qc2 Qc4 33.Ra4 Qe2 34.Rd4 Ra8 35.Qb1 Qf3? (better is 35...f5+=) 36.Re4+– Rd8 37.Qe1?? (better is 37.Rf4 Qe2 38.Qb3+–) 37...Qe4-+ (38.h4 Qd3-+) 0–1. valpa – Stephen, HCL–B1995 playchess.de, 2003.

10.0-0 e6 11.Na3 Bd6 12.Nc2 0-0 13.h3 Bf3 14.Bf3 Ra8 15.Nd4 e5 16.Nb3 e4 17.Bg4 Ng4 18.Qg4 Nf6 19.Qe2 Ra2 20.Rb1 Qa7 (20...Qa6 21.Qa6 Ra6 22.Bb2-/+) 21.Qd1 (21.c4 dc4 (worse is 21...Bb4 22.Bf6 gf6 23.cd5+=) 22.Bf6 cb3=) 21...b6 22.Qc1 Nd7 23.Rb2 (23.c4!? Qa8 24.cd5 cd5 25.Qd1+=) 23...Ra3-+ 24.Rb1 Qa6 (24...Ne5!?-+) 25.Nd4-/+ Ne5 26.Nc2 (26.b5!? Qa8 27.bc6-/+) 26...Ra2 27.Ne1 (27.b5 cb5 28.Nb4 Bb4 29.cb4 Nc4-/+) 27...c5 (27...Qe2 28.Rb2 Rb2 29.Bb2-+) 28.f4 (28.Qd1 Nc4 29.Nc2 Qa4-+) 28...Nc4 29.Nc2 cb4 30.cb4 Qa4 31.Bc3?? (better is 31.Nd4 Bb4 32.Bc3 Bc3 33.dc3-+) 31...Qc2 32.Qc2 Rc2 33.Rd1 Kf8 34.Kf1 Ne3! 35.de3 Rc3 36.Rd5 Bb4 37.Rd4 Bc5 38.Re4 Re3 (38...Re3 39.Re3 Be3-+) 0–1. Hal1958 – Kali, playchess.de, 2005.

10.0-0 e6 11.d3 Be7 12.Nbd2 0-0 13.h3 Bh5 14.Qa4 h6 15.Rd1 Rb8 (15...Rd8 16.Qc2=) 16.Bb2 Bd6 17.Ra1 c5 (17...e5 18.g4 Bg6 19.Qa5=) 18.b5 e5 19.e4 (19.Bf1 Re8=) 19...Bg6 (19...c4 20.Qc2 Bf3 21.Bf3 cd3 22.Qd3-/+) 20.Qc2 (20.Nh4 Bh7 21.ed5 Nd5=) 20...Qb5 (20...c4!? 21.ed5 Rc8=+) 21.c4 dc4 (21...Qb6 22.cd5 Qc7 23.Ra7=) 22.Nc4 (< 22.dc4 Qc6=+) 22...Bc7 23.Nce5 Ne5 24.Ne5 Rd8 (better is 24...Bh7!?+/-) 25.Ng6+– fg6 26.d4! Qe8 (26...Rd4 27.Bb5) 27.Qc5 (27...Qc6 28.Bc4 Kh7 29.Qc6 bc6 30.e5+–) 1–0. Trkn – zug_zwang (1745), ICC, 2004.

10.0-0 e6 11.h3 Bh5 12.d3 Be7 13.e4 (13.g4 Bg6=) 13...0-0 (13...de4 14.de4 Ne4 15.Nd4 Be2 16.Qe2-/+) 14.e5 (better 14.Nbd2!?=+) 14...Bf3-/+ 15.ef6 Be2 16.Qe2 Bf6 17.d4 Re8 (17...Ra8 18.Bb2-+) 18.Nd2 e5 19.Re1 e4 20.Nf3 (20.Qg4 Qd8-/+) 20...Ra8-+ 21.Nh2 h6 (21...Bg5 22.Bb2-+) 22.Ng4-/+ Ra4 (22...Bg5 23.h4 Bf4 24.g3-/+) 23.f3? (better 23.Nh6!? gh6 24.Qg4 Bg5 25.Qd7=) 23...Qa7 (23...Bd4!? 24.Kh1 f5 25.cd4 fg4 26.fe4 gh3 27.gh3-+) 24.Bb2-/+ Ra2 (better 24...Bh4!? 25.Rf1 Qa6-/+) 25.fe4= de4 26.Ne3 (better 26.Qc2!?=) 26...Nb6-/+ 27.Nf5 (27.Nd1 Na4 28.Qe4 A) 28...Rb2?! 29.Qe8 Kh7 A1) worse 30.Nb2 Nc3 (worse 30...Nb2 31.Qe4 Kg8 32.Qc2 Bd4 33.Kh1+–) 31.Nd1 Qd4 (31...Bd4?! 32.Kh1 Nd5 33.Qf7=) 32.Nf2 Kg6-/+; A2) 30.Qe4 g6 31.Qf4=; B) 28...Nb2-+) 27...Nd5 (better 27...Na4 28.Qe4 Rb2-+) 28.Qe4?? (better 28.Qc2 Qa3! 29.Re2 Nc3 30.Rf2-+) 28...b5 (better 28...Rb2 29.Qe8 Kh7 30.Qf7 Qb8-+ (30...Nc3 31.Ng7 Ne2 32.Kh1 Ng3 33.Kh2 Bg7 34.Re6 Nf1 35.Kh1=)) 29.Qe8 Kh7 30.Bc1 (30.Qc6!? Nb4 31.cb4 Rb2 32.Qb5=+) 30...Nc3-/+ 31.Qe3 (31.Bh6 gh6 32.Re7 Bd4 33.Kh2 Rg2 34.Kg2 Qa2 35.Kh1 Qb1 36.Re1 Qf5 37.Kg2 Qf2 38.Kh1-+) 31...Nd5-+ 32.Qe4 Qd7 (better 32...g6!?-+) 33.Nh6-/+ Kh8 (33...g6 34.Ng4 Bh4 35.Ne5 Bf2 36.Kh1-/+) 34.Ng4=+ Qe7 (better 34...Bh4 35.Ne5 Bf2 36.Kh1 Qe6=+) 35.Ne5?? (better 35.Nf6 Qf6 36.Rf1=) 35...Be5-+ 36.de5 Qb4 (36...Nb4?! 37.Qg4-/+) 37.Qh4?? (37.Qb4 Nb4 38.Bg5 Nd3-+) 37...Kg8 (37...Qh4 38.Rf1 Qg3 39.Bb2 Rb2 40.Rf2 Qf2 41.Kh2 Qg2) 38.Qd8 (38.Qg3 Qc3 39.Qh4 Ra4-+) 38...Qf8 (38...Kh7!? 39.Rd1 Qa4 40.Kh2-+) 39.Qh4 g6 (39...Qc5 40.Kh2 Qe7 41.Qg3-/+) 40.e6 Qe7 (40...Qc5!? 41.Kh1 Qf2 42.ef7 Qf7 43.Qd8 Kg7-/+) 41.ef7= Qf7 42.Rf1 (42.Qd8 Kg7 43.Qh4 Rc2=) 42...Qg7 (42...Qe7!? 43.Qg4 Kh7-/+) 43.Qd8= Kh7 44.Qh4 Kg8 45.Bg5 (45.Qd8 Kh7=) 45...Ra8 (45...Ra1 46.Bc1 Qe7 47.Qg3-/+) 46.Qe4=+ Rf8 (better 46...Ra1!? 47.Bc1 Ra7=+) 47.Qe6+= Kh7 48.Rf8 Qf8 49.Qd7 (better 49.Qc6!? Qf5 50.Qb7 Kg8 51.Bh6+–) 49…Qg7=+ (49...Qg7 50.Qc6 Qa7 51.Kh1 Qa1 52.Bc1 Nb6=+) 0–1. KLINGON09 (1780) – Michael_Ruetten (1780), lichess.org, 2020.

10.Qa4 e5 11.Qa8 Ke7 12.0-0 (12.h3 Bh5=+) 12...g6 (12...e4 13.Nd4 Be2 14.Ne2=+) 13.Na3 (13.h3 Bf3 14.Bf3 Bg7=+) 13...Bg7 14.Qa4 Bf3 (14...e4!? 15.Nd4 Be2 16.Ne2 Qa6 17.Qa6 ba6=+) 15.Bf3= e4 (15...Qa6 16.Qa6 ba6 17.d4=) 16.Be2 h5 17.c4 h4 (17...Qa6 18.Qa6 ba6 19.Bc3=) 18.h3 (18.Bd4 Qc7+=) 18...Rc8 (18...Qa6 19.Qa6 ba6 20.Bc3=) 19.c5 (19.d3 Qa6 20.Qa6 ba6=) 19...Qc7 20.d3 Kf8 21.de4 (21.Bd4 Kg8+=) 21...Ne4 22.Bg7 Kg7 23.Qc2 Qe5 24.Nb1 (24.Bd3 Ra8 25.Nb1 Ndf6=) 24...Re8 (24...b6 25.cb6 Nb6 26.Rc1=) 25.Bd3+= Ndf6 26.f4 (26.Nd2!?=) 26...Qe6=+ 27.Re1 Nh5 28.Be4 (28.b5!?=+) 28...Qe4-/+ (28...de4?! 29.Nd2+=) 29.Qc3? (better 29.Qb2 d4! 30.Nd2-/+) 29...f6?? (better 29...d4 30.Qd2 Nf4-+) 30.Nd2= Qe6 31.Nf3 Kf7 (31...Qe4 32.Kf2=) 32.Nh4 Nf4 33.Kh1?? (better 33.Nf3 Nh5 34.b5=) 33...Nh3!-+ 34.e4 (34.gh3 Qh3 Double attack) 34...Nf2 35.Kg1 Ne4 36.Qf3?? (36.Qa3-+) 36...Rh8 (36...Ng5 37.Re6 Nf3 38.gf3 Re6 39.Ng2-+) 37.g3 (37.Qf4 Qe5 38.Qe5 fe5 39.Rf1 Kg7-+) 37...Qh3 (better 37...Rh4 38.gh4 Nd2 39.Qe3 Nf3 40.Qf3 Qe1 41.Kg2-+) 38.Re3 (38.Qf4 Qg3 39.Qg3 Ng3 40.Nf3-+) 38...g5 39.Qf5 (39.Qe2 f5 40.Qg2 Rh4-+) 39…Rh4 (39...Rh4 40.Qh3 Rh3-+) 0-1. benachamohcine (2085) - Lunaticz (2060), Rated Blitz game, lichess.org, 2014.

10.Qb3 e5-/+ 11.d3 Bd6 (11...Bf3 12.gf3 Bd6 13.Qa4-/+) 12.Nbd2 (12.Qa2 0-0=+) 12...0-0 13.0-0 Qc7 (13...e4 14.de4 de4 15.Nd4 Be2 16.Ne2=+) 14.e4=+ Nh5 (14...Ra8 15.Re1=+) 15.Rd1 (15.Nd4 ed4 16.Bg4 Bh2 17.Kh1 Bf4 18.Bh5 Bd2 19.cd4 Nf6=+) 15...Nf4-/+ 16.ed5?? (better is 16.Bf1-/+) 16...Ne2-+ (17.Kf1 Nf4 18.dc6 bc6-+) 0–1. Kilpatrick,Robert – Glass,Andreas, corr SCCA, 1979.

10.d4 e6=+.

10.d4 Bf3 11.Bf3 e5 12.Nd2 e4 13.Be2 Bd6 14.0-0 Qc7 15.Qb3 (15.h3!?=) 15...Bh2-/+ 16.Kh1 Bd6 17.c4 h5 18.c5 (18.Rc1 dc4 19.Qc4-/+) 18...Be7-+ 19.f3? (19.Kg1 Ng4 20.Bg4 hg4-+) 19...ef3 (better is 19...Qg3 20.Ne4 de4-+) 20.Bf3?? (20.Rf3 Ng4 21.Nf1 0-0-+) 20...h4 (better is 20...Ng4 21.Bg4 hg4 22.Kg1 Qg3-+) 21.e4 de4 (21...Qg3!? 22.Bd1 Qg5-+) 22.Ne4 h3 23.g4 Nd5 24.Bb2 Qf4 (24...Nf4!?-/+) 25.Bc1= Qc7 26.Bd2 N7f6 27.Ng5 (27.Nf6 Nf6 28.b5 0-0+=) 27...Qg3 (better is 27...Rh4!?-/+) 28.Bd5= Qb3?? (better is 28...Ne4! 29.Bf7 Kd8 30.Ne6 Kd7 31.Nf8 Kd8 32.Ne6 Kd7 33.Nf8 Kd8 34.Ne6=) 29.Bb3+– Ng4 (29...Nd5 30.Nf3+–) 30.Nf7 (worse is 30.Rf7 Rh4+–) 30...Kd7 (30...Rf8 31.Be6 Nh6 32.Bh6 gh6 33.Kh2+–) 31.Ne5 (better is 31.Nh8 Nf6 32.Bc2+–) 31...Ne5 32.de5 g5 33.Kh2 g4 (33...Rh4 34.Rf3+–) 34.e6 Ke8 35.Bc2 Bf6 (35...Bh4 36.Bf4 Rg8+–) 36.Rf6 g3 37.Kg3 (better is 37.Kh1 h2 38.Rg6 Rf8 39.Rg3 Ke7+–) 37...h2 38.Be4 h1R 39.Bh1 Rh1 40.Rf7 Rg1 41.Kf2 Rg6 42.Rb7 Re6 43.Rc7 Kd8 44.Bf4 Rf6 (44...Re4 45.Kf3 Rb4 46.Rc6+–) 45.Ke3 Rf4 (45...Rg6+–) 46.Kf4 Kc7 47.Ke5 Kd7 48.Kf6 Kc7 49.Ke7 Kc8 50.Kd6 Kb7 51.Kd7 Kb8 52.Kc6 Kc8 53.b5 Kb8 54.Kb6 Kc8 55.c6 Kb8 56.Ka6 Ka8 57.b6+– Kb8 58.c7 Kc8 59.Ka7 Kd7 60.Kb7 1–0. barborski – litvor (1670), kurnik, 2013.

10.Nd4 Be2 11.Qe2 e5 12.Nb3-/+.

10.Nd4 Be2 11.Qe2 e5 12.Nc2 Bd6 13.0-0 0-0 14.d3 Ra8 15.Nd2 Ra2 16.Qd1 Qc7 17.g3 c5 18.bc5 Nc5 19.Nb4 Ra8 20.d4 Na6 21.Na6 Ra6 (< 21...ba6 22.c4=+) 22.Qc2 e4 23.Bb2 Nd7 24.Ra1 Ra1 25.Ba1 Qa5 26.Nb3 Qa4 27.Bb2 Nb6 28.Na1? (better is 28.h3!?-/+) 28...Qa2-+ 29.Qb3 Qb1 30.Kg2 Nc4 31.Qb7 Qb2 (31...Nb2?! 32.Qd5 Bf8 33.Nb3-+) 32.Qb2 Nb2 33.Nb3 Na4 34.Nd2 Nc3 35.Nb3 f5 36.Na5 Kf7 37.Kf1 Nd1 38.Ke2 Nb2 39.Nc6 Nd3 40.Kf1 g5 41.Ke2 h5 42.f3 Nc1 43.Kf2 Nd3 (43...g4 44.f4-+) 44.Ke2 Nb4 45.Na5 Nc2 46.Kd2 (46.Nb7 Ke7-+) 46...ef3 (47.Nb7 Bg3 48.hg3 f2-+; better is 46...Nd4!? 47.ed4 Bb4 48.Ke3 Ba5 49.h4 gh4 50.gh4 f4 51.Ke2-+) 0–1. valpa – Stephen, HCL–B2052 playchess.de, 2003.

10.Nd4 Be2 11.Qe2 e5 12.Nf5?? g6 (12...Qa7 13.0-0 Qa1 14.d3-+) 13.Nh4 (13.f4 Qa7 14.fe5 Qa1 15.0-0 Ne5 16.Ng3-+) 13...Bg7 (better 13...Qa7-+) 14.Na3 0-0 15.0-0 e4 16.f3 Re8 (16...Ra8 17.Nc2-/+) 17.f4 (17.fe4 Ne4 (worse 17...Re4 18.Nf3=) 18.Nf3 Ra8=+) 17...Nf8 (17...Ra8 18.Nc2-/+) 18.Nc2 Ne6 (18...Ra8 19.Nd4-/+) 19.g3 (19.f5 Nd8 20.fg6 fg6=+) 19...Nd7 (19...Nc7 20.g4-/+) 20.Kh1 (20.f5 Nc7=+) 20...f5 21.Nd4 (21.c4!?-/+) 21...Nd4 22.ed4 Ra8 23.Ng2 Qa6 24.Qa6 Ra6 25.Ne3 Nb6 26.Rb1 Nc4 (26...Ra2 27.Rd1-/+) 27.Nc4 dc4 28.Kg1 b5 (28...Ra2 29.Bb2-/+) 29.Kf2 Kf7 30.Ke3 Ke6 31.Bb2 Kd5 32.Ra1 Ra1 33.Ba1 h6 34.h4 Bf6 35.Bb2 g5 36.h5 gf4 (36...Be7 37.Ke2-/+) 37.gf4=+ Bh4 38.Bc1 Ke6 39.Ke2 Bg3 40.Ke3 Bh2 41.Ba3 Bg1 42.Ke2 Kd5 43.Bc1 Kd6 44.Bb2 Bh2 45.Bc1?? (better 45.Ke3=+) 45...Bf4-+ 46.Bb2 Bg5 47.Bc1 f4 48.Kf2 f3 49.Kg3 Ke6 50.Kg4 (50.Kf2-+) 50…f2 (50...f2 51.d5 cd5 52.Kh3 f1Q 53.Kg3 Bf4 54.Kg4 Qf3 55.Kh4 Qg3) 0-1. CHEO1121 (1715) - Porfirios (1940), Rated Blitz game, 2013. (=1.a3 d5 2.b4 a5 3.Bb2 ab4 4.ab4 Ra1 5.Ba1 c6 6.e3 Qb6 7.c3)

10.0-0 Bd6 11.c4 Bf3 12.gf3 dc4 13.Na3 Qb4 14.Nc4 Bc7 15.Qc2 b5 16.Ne5 Qh4 17.Bb5 Qg5 (17...cb5 18.Qc7 Qg5 19.Kh1) 18.Kh1 Be5 (18...cb5 19.Qc7 0-0 20.Qb7) 19.Bc6 Kd8 (19...Nc6 20.Qc6 Nd7 21.Be5 Qe5 22.Qc8 Ke7 23.Qh8) 20.f4 Bf4 21.ef4 Qf4 22.Bf6 gf6 (22...Qf6 23.Qd3 Kc7 24.Bg2) 23.Ra1 Qf2 (23...Nc6 24.Qc6 f5 25.Ra7 Qe4 26.Qe4 fe4 27.Ra8 Ke7 28.Rh8) 24.Qd3 Kc7 25.Bg2 Qc5 26.Qg3 Kd7 27.Qg7 ½–½. Kaden – Vettenburg, corr SOK–96–117 1997.

10.0-0 Bd6 11.d3 0-0 12.Nbd2 Nbd7 13.h3 Bh5 14.Nd4 Bg6 15.N2f3 h6 16.g4 Bb8 17.Nh4 e5 18.Ndf5 e4 19.de4 de4 20.c4 Rd8 21.c5 Qc7 (21...Qb4 22.Nh6 A) 22...gh6? A1) 23.Ng6 Nd5 (23...fg6?? 24.Bf6 Qa5 25.Bc4 Kf8 26.Qd4 Qc5 27.Bd8+–) 24.Nh4 Nc5+=; A2) 23.Bf6 Qa5 24.Bd8 Qd8 25.Ng6 fg6 26.Qb3 Kh8 27.Qb7 Nc5 28.Qc6+–; B) 22...Kf8=) 22.Nd6+= Ne8 23.Bc4 (23.Ng6!? fg6 24.Qb3 Kh7 25.Qf7+/-) 23...Kh7= 24.f4 (24.Bf7? Bf7 25.Nhf5 Bc4-+) 24...ef3 25.Ng6 fg6 26.Rf3 (worse is 26.Qf3 Nd6 27.cd6 Qd6-+) 26...Ndf6 27.Be5 Qe7 28.Bd4 Bd6 29.cd6 Nd6 30.Bf6 (30.Bd3!?+=) 30...gf6-+ 31.Bd3 ½–½. Kartsev,Soel (2200) – Koerber,Matthias (1665), Unna op, 2008.

10.0-0 Bd6 11.d3 Nbd7 12.Nbd2 Bf3 13.Nf3 0-0 14.Qc2 c5 15.bc5 Nc5 16.Rb1 Qc7 17.h3 Rc8 18.c4 dc4 19.Qc4 Nd5 20.d4 Ne4 21.Qc7 Rc7 22.Bd3 Ndc3 23.Bc3 Nc3 24.Rb3 f5 (24...b5 25.g3 (25.Bb5? Nb5 26.g3 Nc3-+) 25...b4 26.Kg2=) 25.g3 (25.Rb6 Be7+/-) 25...h6 (25...Kf7 26.Nd2+=) 26.Nd2 (26.Rb6 Rd7 27.Bc4 Nd5 28.Bd5 ed5+/-) 26...Kf7 27.e4 (27.Nc4 Ke7+=) 27...f4 (better is 27...fe4!? 28.Ne4 Ne4 29.Be4 Rc4=) 28.e5 Be7 29.gf4 Nd5 30.f5 Nf4 (30...Bb4 31.Nf3+/-) 31.fe6 (better is 31.Bc4!? Bg5 32.h4 Ne2 33.Kf1 (33.Be2 Bd2 34.Bh5 Kf8+–) 33...Nd4 34.hg5 Nb3 35.Be6 Kf8 36.Bb3 Rc1 37.Ke2+–) 31...Ke6+/- 32.Be4 (better is 32.Bc4!? Kf5 33.Kh2+/-) 32...Ne2= 33.Kg2 Nd4 34.Rb7 Rb7 35.Bb7 Ke5 36.Nf3 Nf3 37.Kf3 g5 38.Bc8 h5 39.Bd7 Bc5 40.Ke2 Kf4 41.f3 Kg3 42.Be6 h4 43.Bf5 Bd6 44.Ke3 Bf4 45.Ke4 Bd6 46.Bg4 Bf4 47.Kf5 Kf2 48.Ke4 Kg3 49.Bd7 Kf2 50.Bg4 Kg3 ½–½. olawoj – mdmarek, kurnik, 2014.

10.0-0 Nbd7 11.d4 Bd6 12.Nbd2 0-0 13.h3 Bh5 14.Nb3 Ra8 15.Nc5 h6 (15...Nc5 16.dc5 Bc5 17.bc5 Qc5 18.Qb3+/-) 16.Nd7 Nd7 17.Nh2?? (better is 17.Bb2-/+) 17...Ra1!-+ 18.Qa1 Be2 19.Re1 Ba6 20.f4 Nf6 21.g4 (21.Ng4-+) 21...g5 22.fg5 (22.Nf3 gf4 23.Qa5 Qa5 24.ba5-+) 22...Bh2 23.Kh2 Qc7 24.Kg2 (24.Kh1 Bd3 25.e4 (25.gf6?? Be4 26.Kg1 Qg3 27.Kf1 Qg2) 25...Be4 26.Re4 Ne4 27.Qe1 hg5 28.Qe3-+) 24...Ne4 25.Qb2 Qg3 26.Kh1 Qe1 0–1. fagus54 (1690) – parols (1700), kurnik, 2014.

10.0-0 Be7 11.d3= Nbd7 12.Nbd2 0-0 13.Qc2 (13.h3 Bh5=+) 13...Ra8 14.h3 Bh5 15.e4 (15.Bb2 Bf3 16.Nf3 Bd6=) 15...h6 (15...Bd6 16.Re1=+) 16.Re1 (16.d4 Bg6 17.Bd3 de4 18.Ne4 Be4 19.Be4 Ne4 20.Qe4 Ra2=+) 16...Kf8 (16...e5 17.Bb2=) 17.g4 (17.ed5 cd5 18.Nb3 Kg8=) 17...de4 (17...Bg6 18.e5 Ne8 19.h4=+) 18.de4 (18.Ne4 Bg6=+) 18...Bg6 19.Bd3 White prepares the advance e5 19...Qc7 (19...Kg8 20.e5 Bd3 21.Qd3+=) 20.e5= Bd3 21.Qd3 Ng8 22.Qe3 (22.Bb2 b5=) 22...Ra2 23.Rd1 Nb6 24.Qe4= Nd5 25.Qc4 Ra8 26.Bb2 Qd8 27.Ne4= Qb6 28.Bc1 Ra1 29.Qb3 Qc7 30.Qb2 Ra8 31.Ng3 g6 32.Re1 Kg7 33.Qc2 Qb6 34.Kg2 Qa6 35.Re2 Qc4 36.Ne4 Ra1 37.Nd4 Bb4-/+ 38.Bd2 Ra2?? 39.Qa2!? Qa2 Decoy theme: a2 40.Bh6 Discovered attack 40...Nh6 41.Ra2 Nc3 42.Nc3 Bc3= 43.Nf3 c5 44.Ra3 Bb4+– 45.Ra7 b6 46.Rb7 Ba5 47.Rc7 Kf8 48.Ng5 (48...Bc3 49.f4+/-) 1–0. Bender,Herbert – Pfretzschner,Leopold, corr DDR–ch M647, 1980.

10.0-0 Be7 11.Ne5 Be2 12.Qe2 0-0 13.d3 Nfd7 14.Nf3 Na6 15.e4 Ra8 16.Nbd2 Nc7 17.Nb3 Qa6 18.Qc2 b5 19.Bb2 Bf6 20.Re1 de4 21.de4 Nb6 22.Ra1 Qc8 23.Na5 Qe8 24.Nd4 Nc4 25.Ndc6 Nb2 26.Qb2 Qd7 27.e5 Be7 28.Ne7 Qe7 29.Nc6 Ra1 30.Qa1 Qd7 31.Nd4 h6 32.Qa7 Kf8 33.Qb8 Ke7 34.f4 h5 35.g3 g6 36.h4 f6 37.ef6 Kf6 38.Qf8 Qf7 39.Qd6 (39...Nd5 40.Nb5+–) 1–0. Scholz,Sascha (2040) – Walter,Mario (1885), RSX9E – A00 – Sokolsky–2, 2004.

10.Na3 Nbd7 11.Nc2 Bd6 12.0-0 Qc7 13.h3 h5 14.Ncd4 (< 14.hg4 hg4 15.Re1 Ne4-/+) 14...e5 15.Nb3 Bf3 16.Bf3 e4 17.Be2 Ne5 18.Nd4 Neg4 19.Nf5?? (19.hg4 Bh2 20.Kh1 hg4 21.g3 Bg3 22.Kg1-/+) 19...Bh2-+ 20.Kh1 Bg1! 21.g3 (21.Rg1 Qh2) 21...Nf2 22.Rf2 Bf2 23.Kg2? (23.c4 Rg8 (23...Bg3?! 24.Ng7 Ke7 25.Nf5 Ke6 26.Ng7 Ke7 27.Nf5 Ke6 28.Ng7 Ke7=) 24.Kg2 g6 25.Ng7 Ke7 26.Bf6 Kf6 27.Qa1 Ke7 28.Kf2 h4-+) 23...Bg3?? (better is 23...g6 24.Qf1 gf5 25.Qf2 Qe5-+) 24.Ng3-/+ Rh6 25.h4 g5 26.Nh5 gh4 27.Nf4 b5 28.Kh1 h3 29.Qg1 Nd7 30.Qg8 Ke7 (better is 30...Nf8 31.c4 bc4=) 31.Qg5+– Rf6 32.c4! (< 32.Nh3 Qa7 33.Bb2 Qa2=+) 32...bc4 (32...dc4 33.Bg4) 33.Nh5 (33.Bf6?! Nf6 34.Nh5 Qd6+=) 33...Qd6 34.Bf6 (34.Nf6 Nf6 35.Be5+–) 34...Nf6+= 35.Qf6 Qf6 36.Nf6 Kf6 37.Kh2 Ke5 38.Kh3 Kd6 39.Kg4 Ke5 40.Kg5 f6 41.Kg4 Kd6 42.Kf5 Kc7? (42...Ke7 43.Bc4 dc4 44.Ke4+–) 43.Bd1 (< 43.Kf6 Kd6+–) 43...Kb6 44.Ba4 c5 45.b5 Ka5 46.Ke6 (better is 46.Kf6!? d4 47.Bd1+–) 46...d4+/- 47.Kd5 c3 48.dc3 de3?? (better is 48...Ka4 49.cd4 cd4 50.Kd4 Kb5 51.Ke4 Kc4=) 49.Bd1+– (49.Ke4?? e2 50.Kd3 e1Q-+) 49...Kb5 50.Be2 Ka4 51.Ke4 (51.Kc5 Kb3 52.Kd4 Kc2+–) 51...Kb3 52.Kd3 (better is 52.c4!? Kc2 53.Ke3 Kc3+–) 52...f5 53.c4 Kb4 54.Ke3 Kc3 55.Bf1 (55...Kb4 56.Kf4+–) 1–0. Grosmelder,Karl – Kononov,Viktor V (2185), Ch Russia (for the Deaf), 1999.

10.d3 h5 11.Nbd2 Bd6 12.h3 Bf5?? (12...Bf3 13.Nf3 Nbd7 14.0-0=) 13.0-0?? (better is 13.e4+–) 13...c5 (13...Nbd7!?=) 14.bc5 Bc5 15.c4 Nc6 16.Bf6 gf6 17.d4 Bb4 18.c5 (18.Nh4!? Bh7 19.cd5 ed5 20.Ndf3+/-) 18...Qc7 19.Nh4 Bd2? (19...Bh7!?=) 20.Qd2 (better is 20.Nf5!? Bb4 21.Nd6 Ke7 22.Bh5+–) 20...Be4+/- 21.f3 Bf5 (better is 21...Bh7!?+/-) 22.Nf5+– ef5 23.Bb5 (23.f4 Qd7+–) 23...Ke7 (23...0-0 24.Qc3+/-) 24.Re1 Nd8 (24...Rd8+–) 25.e4 de4 26.fe4 f4 27.Rf1 (better is 27.e5!? Ne6 28.Bc4+–) 27...Ne6+/- 28.Bc4 Rg8 (28...b6 29.c6! Qc6 30.Be6 Qe6 31.Qf4+/-) 29.Be6 (29.Qb4 Ke8 (29...Nd4?? 30.c6 Ke8 31.cb7+–) 30.Be2 Ng5+–) 29...fe6 30.Qf4 (better is 30.Rf4 b6 31.Rf2 bc5 32.Qh6+–) 30...Qf4= 31.Rf4 Rd8 32.e5 fe5 33.de5 Rd1 34.Kf2 Rc1 35.Rb4 Rc5 36.Rb7 Kd8 37.Rh7 Re5 38.g4 hg4 39.hg4 Rg5 40.Kf3 e5 41.Rh8 Ke7 42.Rh5 Rh5 43.gh5 Kf6 44.Ke4 Kg5 45.Ke5 Kh5 ½–½. jarda1000 – svatisar, kurnik, 2014.

9.Qb3 Bg7 10.c4 0-0 11.c5 Qd8 12.Be2 Nbd7 13.0-0 Re8 14.Nc3 e5 15.d4 e4 16.Nd2 h5 17.b5 Nf8 18.bc6 bc6 19.Na4 (19.Qb6 Qd7+=) 19...N8h7 (19...Bg4 20.Bg4 Ng4 21.h3=) 20.Nb6 Bf5 21.Qa4 Qc7 22.Bc3 h4 23.Ra1 (23.Ba5 Bd7+/-) 23...Bg4 24.Bf1 Ng5 25.Qa7 Re7 26.Qc7 Rc7 27.Ra8 Kh7 28.h3 Be6 29.Ba5 Bf5 0–1. orangutanb4 (1955) – shymek84 (2070), kurnik, 2011.

9.d3 Bg7 10.Nbd2 0-0 11.Qa4 Na6 12.Qa5 Qa5 13.ba5 Nc5 14.d4 Nce4 15.Bb2 Be6 16.Ba3 Nc3 17.Be7 Re8 18.Bb4 Na2 19.Bc5 Ra8 20.Nb3 Ne4 21.Bd3 Nc5 22.Nc5 Nb4 23.Bb1 Bc8 24.Nb3 Bf8 25.Kd2 Na6 26.Ke2 Bd6 27.Rd1 ½–½. Winiger,Albert (2150) – Lisakowski,Christof (1960), RSS4D adv–12, 2006.

9.d4 Bf5 10.Be2=.

9.d4 Bg7 10.Be2 (10.Bd3 Bf5=) 10...0-0 11.0-0 (11.Nbd2 Bf5=) 11...Bg4 12.Nbd2 Nbd7 (12...Na6 13.h3 Bf5 14.Re1=) 13.h3 Bf3 14.Bf3 Ra8 (14...e5 15.Qb3=) 15.e4 (15.Qb3 Qa6=) 15...e5 16.ed5 cd5 17.Nb3 e4 18.Be2 Qc7 19.Qd2 (19.Re1 Nb6=) 19...Nb6=+ 20.Nc5 Nc8 21.b5 (21.Bb2 Nd6=) 21...Nd6=+ 22.Qb2 Nd7 (22...h6 23.b6 Qc6 24.f3=+) 23.Nd7 Qd7 24.Qb3 Qe6 25.Bb2 e3 (25...Bh6 26.Ba3=) 26.Bg4 (26.Bd3 Ne4 27.Be4 Qe4 28.fe3 Qe3 29.Kh1 Qd3=) 26...ef2 27.Kf2 (27.Rf2? Qe3 28.Qd5 Ne4 29.Qf7 Kh8-+) 27...Ne4 (27...f5 28.Bf3 Nc4 29.Bc1=) 28.Kg1 Qd6 (28...f5 29.Bf3=) 29.Bf3 Nd2 (29...Re8 30.Be4 Re4 31.Ba3=) 30.Qd5 Qd5 31.Bd5 Nf1 32.Kf1 Ra5 33.Bc4 (33.Bb7?? Rb5 34.Bc1 Rb7-+) 33...Kf8 34.Ke2 Bh6 35.Kd3 (35.g3 Ke7=) 35...Ke7 (35...f5 36.g3=) 36.Ke4 b6 (36...f5 37.Kd5 Kd7 38.Kc5=) 37.g4 Bd2 (37...Bg5 38.Kd5 Kd7 39.Ke4=+) 38.Kd5 f5 (38...Kd7 39.Ke5=) 39.gf5 (39.Kc6 f4 40.Kb6=+) 39...gf5= 40.h4 (40.Kc6 f4 41.Kb6 Ra4=+) 40...f4=+ 41.Ke4 h6 (41...Be3 42.Kf3=+) 42.Kf3 Kf6 43.Ke2 Be3 44.Kf3 h5 (44...Ke7 45.Ke4=+) 45.Ke4 Kg7 (45...Ke7 46.Kf3=+) 46.Kf3 Kg6 47.Ke4 Kf6 48.Kf3 Ke7 (48...Ra7 49.Ke4=+) 49.Ke2 (49.Ke4 Kd8=+) 49...Kd6 (49...Ra7 50.Kd3=+) 50.Kf3 Ra7 51.Ke4 Re7 52.Kf5 Rc7 53.Bd3 f3 54.Ke4 Bd2 55.Kf3 Bc3 56.Bc1 Bd4 57.Bf4 Be5 58.Be3 Rf7 59.Ke4 (59.Ke2 Kc7-/+) 59...Bg3 60.Bg5 Rf2 61.Be3 Ra2 62.Bb6 Bh4 63.Be3 Rf2 (better 63...Bf2 64.Bg5 Ra4 65.Kf3 Bb6-+) 64.Bf2= Bf2 65.Kf3 ½–½. Woschkat,Karl_Heinz – Plomann,Michael, DESC, 1999.

9.Be2 Bg7=.

9.Bg2 Nbd7 10.0-0 e5 11.d4 e4 12.Ne5 Ne5 13.de5 Nd7 14.h3 (14.c4 Qa6 (14...Bb4 15.cd5 Qa6 16.Qb3 Be2 17.dc6 bc6 18.e6 Bf1 19.Bf1 Qa1 20.ed7 Kd7 21.Qb4+/-) 15.Nd2 Bb4+= (worse is 15...dc4 16.Ne4 Bb4 17.Qd4+=)) 14...Bh5 (14...Be6-/+) 15.Kh2? (better is 15.g4!? Qa6 16.Nd2+=) 15...Ne5 16.Nd2 Bd6 (16...f6!?-+) 17.c4 Qb4 18.cd5 cd5 19.Be5? (better is 19.f4 Nc6 20.g4-/+) 19...Be5-+ 20.f4 Bc3?? (better is 20...Bd6-+) 21.Nb1+= Bd4 22.e3?? (better is 22.g4+=) 22...Be3 (better is 22...Bd1 23.Rd1 Be3-+) 23.Qh5+/- Qc4?? (better is 23...0-0 24.Qd5 Re8+/-) 24.Qe5+– Kf8 (24...Kd7 25.Rd1 d4 26.Qe4 Re8 27.Qb7 Ke6+–) 25.Qb8 Ke7 26.Qh8 b5 (26...Bd4 27.Qb8 b6 28.Nd2+–) 27.Qg7 Bd4 28.Qg5 Bf6 29.Qg4 (29.Qf5 Bg7+–) 29...b4 30.Qd1 (better is 30.Qf5 Bd4+–) 30...b3 (30...Qc5 31.Qh5 Bd4 32.Rd1+–) 31.Nd2 Qb5 32.Re1 (32.Nb3 Kf8+–) 32...Kf8 (32...b2 33.Be4! de4 34.Ne4+–) 33.Be4! de4 34.Re4 (better is 34.Qb3 Qa5 35.Re2+–) 34...b2 35.Qc2 Qb6 36.Qc8 (better is 36.Kg2!? Qb5+–) 36...Kg7 37.Qg4 Kf8 38.Rc4 (better is 38.Qe2+–) 38...Qf2 39.Kh1 Qe1 40.Kg2 Qd2 41.Kf3 Qd1 (41...b1Q 42.Qc8 Kg7 43.Qg4 Kh6 44.Qg5 Bg5 45.fg5 Kg6 46.Rc6 f6 47.Rf6 Kg5 48.h4 Kf6 49.Kg4 Qf5) 42.Ke3 Qg4 (better is 42...Qb3 43.Kd2 Qc4 44.Qf5 Qc1 45.Ke2-+) 43.hg4 b1Q (43...b1Q 44.Kd2 Qb7-+) 0–1. iczker – karol19980330 (1690), kurnik, 2014.

9.Bg2 Bf3 10.ef3 e5 11.0-0 Bd6 12.d3 0-0 13.Nd2 Nbd7 14.Nb3 Ra8 15.d4 Ra2 16.de5 Ne5 (16...Be5?! 17.Qb1 Ra8 18.f4=) 17.f4 (17.Nd4 Qa6+=) 17...Nc4 (17...Neg4 18.c4 Nf2 19.Qd4 Qd4 20.Bd4-/+) 18.Nd4 (18.Qb1!? Ra3 19.Nd4+=) 18...Ne4-/+ 19.Be4 de4 20.Qb3?? (better is 20.Re1 Qa7 21.Nc2-+) 20...Qa6-+ 21.b5 cb5 22.Qb5 Ra1 23.Qe8 (23.Qa6 Rf1 24.Kf1 ba6 25.Ke2-+) 23...Bf8 24.Nf5 (24.Qb5 Rf1 25.Kf1 Qa1 26.Kg2 Qc3 27.Nf5-+) 24...Rf1 25.Kf1 (25.Kg2 Qf6 26.Kf1 Qf5 27.Qd8 Qh3 28.Ke1 Qh2 29.Qh4 Qg1 30.Ke2-+) 25...Ne3 26.Ke1 Nf5 (26...Qf1 27.Kd2 Qf2 28.Kc1 Qc2) 27.Qe4-+ Qe6 (better is 27...Nd6!? 28.Qe2-+) 28.Qe6 fe6 29.g4 (29.Kd2 Bc5 30.Ke1 Kf8-+) 29...Nh6 30.f3 b6 (30...Bd6 31.Ke2-+) 31.h4 (31.Kd2 Bd6 32.Ke3 Kf7-+) 31...Bc5 (31...Bd6!? 32.Ke2-+) 32.Ke2 Nf7 33.Kd3 Nd6 34.c4 (34.Kd2 Bf2 35.h5 Kf7-+) 34...Kf7 35.g5 (35.Kc3 Be3-+) 35...h6 (35...h5 36.gh6 gh6 37.Kc3-+) 36.gh6 (36.h5 Ke7-+) 36...gh6 37.f5 Nf5 38.Ke4 Kf6 39.h5 Bd4 40.f4 Bc5 41.Kf3 Nd4 42.Ke4 Nc2 43.Kd3 Na3 44.Kc3 Kf5 45.Kb3 Nc4! 46.Kc4 Kf4 47.Kd3 Kg5 48.Ke4 Kh5 49.Ke5 Kg4 50.Ke6 h5 51.Ke5 (51.Kd5 h4 52.Ke4 h3 53.Kd3 Kf5 54.Kd2 Kg5 55.Kd3 h2 56.Kc3 h1Q 57.Kb2 Qf3 58.Kc2 Qe3 59.Kb2 Qd2 60.Kb3 Qc1 61.Ka2 Qc2 62.Ka1 Bd4) 51...h4 52.Ke4 (52.Kd5 h3 53.Kc4 h2 54.Kc3 h1Q 55.Kc4 Qe4 56.Kb5 Qd5 57.Ka6 Bd4 58.Ka7 b5 59.Ka6 Qc6 60.Ka5 Bc3) 52...h3 53.Kd5 (53.Kd3 h2 54.Kc3 h1Q 55.Kc4 Qf1 56.Kd5 Qb5 57.Ke6 Qd3 58.Kf7 Qh7 59.Kf6 b5 60.Ke5 Qf5) 53...h2 54.Ke6 h1R 55.Kd7 Rd1 (better is 55...Rc1 56.Kc6 Bg1 57.Kb5 Re1-+) 56.Kc6 Bg1 57.Kb5 Rb1 58.Kc4 b5 59.Kc3 b4 60.Kc2 Rf1 61.Kb3 Rf4 62.Kc2 Kf3 63.Kb3 Ke2 64.Kc2 Ke3 65.Kb3 Kd3 66.Kb2 Rc4 67.Kb3 Rd4 68.Kb2 Kc4 69.Kc2 Rh4 70.Kd2 Rh3 71.Ke2 Bd4 72.Kf1 b3 73.Kg2 Rc3 74.Kf1 b2 75.Ke2 ½–½. rryy44 – ab45ad46, kurnik, 2014.