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TESTE700 Release 2017-09-07
Send your 1.b4 games to me, please. Thank you! /Marek
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(c) Marek Trokenheim

1.b4 e5 2.Bb2 Bb4

(...)

3.Nc3?? (--> 1.b4 e5 2.Nc3?? Bb4 3.Bb2).

3.c4?? d5 4.Be5 dc4?? 5.Bg7+– Bf5 6.Bh8 Nc6 7.e3 Bd3 8.Bd3 Qd3 9.Ne2 0–0–0 10.Bc3 Bc3 11.Nbc3 Nb4 12.0–0 Nc2 13.Nf4 Qd2 14.Qd2 Rd2 15.Rad1 Rd1 16.Rd1 Nb4 17.Rd4 b5 18.Nfd5 Nc2 19.Rg4 Nf6 20.Nf6 Nb4 21.Rg8 Kb7 22.Rg7 Nd3 23.Rf7 b4 24.Ncd5 Kc6 25.Rc7 Kd6 26.Rd7 Ke5 27.Ra7 c3 28.Rc7 Ne1 29.f4 Kd6 30.Rb7 c2 31.Rc7 h6 32.Kf2 Nd3+– 33.Ke2 c1Q 34.Rc1 Nc1 35.Kd2 Na2 36.Kc2 Nc3 37.Nb4 Nb5 38.g4 Ke6 39.Ng8 Nd6 40.Nh6 Ne4 41.h4 Kf6 42.h5 Nd6 43.g5 Kg7 44.Nc6 Ne4 45.Nf5 Kf7 46.h6 Kg6 47.Nfe7 Kh7 48.Kd3 Nc5 49.Kd4 Ne6 50.Ke5 Nf8 51.f5 Nd7 52.Kd6 Nf8 53.e4 Kh8 54.g6 Ng6+– 55.Ng6 Kh7 56.e5 Kg8 57.Nce7 Kh7 58.Nf4 Kh6 59.f6 Kh7 60.e6 (60...Kh6 61.Ng8 Kg5 62.f7 Kf4 63.f8Q Ke4 64.e7 Ke3 65.e8Q Kd2 66.Qf2 Kc3 67.Qa4 Kd3 68.Qad4; 60.f7 Kh6 61.f8Q Kg5 62.Qf5 Kh4 63.Qh3 Kg5 64.Ne6) 1–0. gtate (1700) – bar, net–chess.com, 2002.

3.e4?? Bd6 4.Nf3=+ Nf6 5.Nc3 c6 6.Bc4 (6...b5 7.Bb3=+). Long_Knights – MC Q, ChessWorld.net, 2005.

3.e4?? Qe7 4.c3 Bd6 5.Nf3 a6 6.d4 h6 7.Bd3 Qf6 8.0–0 Ne7 9.de5 Be5 10.Nbd2 d6 11.Qa4 Nbc6 12.Rae1 Bd7 13.Qb3 Rb8 14.Nc4 Na5 15.Na5 0–0 16.Nd2 Bc6 17.Ba3 Bc3 18.e5 Be5 19.Bc2 Rfd8 20.Ne4 Be4 21.Be4 Nc6 22.Nc4 Re8 23.Bb2 Bb2 24.Nb2 Ne5 25.Re3 Qh4 26.g3 Qh3 27.Bd5 Rf8 28.Nd3 Ng4 29.Rf3 Qh2 0–1. bearded_bishop – koningsdrama, gameknot.com, 2013. (=1.e4 e5 2.b4 Bb4 3.Bb2 Qe7)

3.e4?? f6 4.Bc4 Ne7 5.Qh5 Ng6 (--> 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 Ne7 5.Qh5 Ng6).

3.Be5 b6?? 4.Bg7 Nc6 5.g3 Nd4 6.Bg2 d6 7.c3 Bg4 8.cd4 Qg5 9.Bh8 c5 10.Ba8 Nf6 11.h4 Qf5 12.Bf6 Qf6 13.f3 cd4 14.fg4 Qe6 15.Bf3 d3 16.Qa4 Kf8 17.Qb4 a5 18.Qe4 Qd7 19.Qd3 f6 20.g5 f5 21.Nh3 a4 22.Nc3 b5 23.Nb5 Qe6 24.Nf4 Qe5 25.Qd6 (25...Qd6 26.Nd6 a3 27.Rb1 Ke7 28.Nf5 Kd7 29.Rb7 Ke8 30.Ne6 h5 31.Bh5) 1–0. coloplayah (2125) – maccarocks (1610), net–chess.com, 2006.

3.Be5 Bc3?? 4.Nc3+– (worse is 4.dc3 Nf6+–) 4...Nf6 5.Nf3 0–0 6.e3 Nc6 7.Bg3 d6 8.Bd3 Nb4 9.Qe2 Nd3 10.Qd3 Bd7 (10...Nd7 11.Nd5+–) 11.Bh4 a6 (11...Bc6 12.Qd4+–) 12.Nd5 (better is 12.Ng5 h6 13.Nh7+–) 12...Nd5 (12...Be6 13.Nf6 gf6+–) 13.Bd8 Rad8 14.Qd5 Bc6 15.Qh5 g6 16.Qh6 f6 17.h4 Bf3 18.gf3 Kf7 (18...Rd7 19.Rg1 Rg7 20.h5+–) 19.Qh7 Ke8 20.Qg6 Rf7 21.h5 (better is 21.Qe4 Kd7 22.Qb7 Rh8+–) 21...c5 22.h6 d5 23.h7 Ke7 24.h8Q Rh8 25.Rh8 Ke6 (25...c4 26.Qg8 c3 27.Qd8 Ke6 28.Re8 Kf5 29.Qc8 Kg6 30.Qg4 Kh7 31.Ke2 cd2 32.Rh1) 26.Qf7! Kf7 27.Rh7 Kg6 28.Rb7 d4 29.ed4 cd4 30.Ra7 a5 31.d3 f5 32.Ra6 (32.f4 Kf6 33.Rb1 Kg6 34.Rb6 Kh5 35.f3 Kh4 36.Rg7 a4 37.Rh6) 32...Kg5+– 33.Ra5 1–0. Zieba,Marcin – Guzik,Michal, II turniej szachowy Poland, 1999.

3.Be5 Bd2?? 4.Nd2 Nc6?? (4...Nf6+–) 5.Bg7 Ne5 (5...Nf6 6.Bh8 Kf8 7.e3+–) 6.Bh8 Ng4 (6...f6 7.e3 Kf8 8.Qh5+–) 7.Ngf3 Qf6 (7...d6+–) 8.Bf6 (8…N4f6 9.e4+–) 1–0. marekt (2305) – joemaster, ICC, 2003.

3.Be5 d5?? 4.Bg7+– Nc6 (--> 3.Be5 Nc6?? 4.Bg7+– d5).

3.Be5 Be7?? 4.Bg7+– Bf6 5.Bh8 Bh8 6.Nc3 d5 7.e3 Bc3 8.dc3 1–0. Foch,Louis (1685) – Hermans,Marcel (2035), IECC, 2003.

3.Be5 Ne7?? 4.Bg7 Rg8 5.Bb2 Nbc6 6.Nf3 Bd6 7.Nc3 Ng6 8.e3 Nge5 (8...Be7 9.Nd5+/–) 9.h4 Nf3 10.Qf3 Nb4? (better is 10...Be5+–) 11.Ne4 Nc2 12.Kd1 Na1 13.Bc4 (worse is 13.Nd6 cd6 14.Bf6 Qf6 15.Qf6 d5+–) 13...Qe7 (13...Bf4 14.Nf6 Kf8 15.Nh7 Ke8 16.Qf4+–) 14.Nf6 Kf8 15.Nh7 Ke8 16.Nf6 Kf8 (16...Qf6 17.Bf6 Rg6+–) 17.Ng8 Kg8 18.Qh5 (18.Qh5 Be5 19.Be5 Qf6 20.Bf6 d5 21.Qh8) 1–0. Fritz11 – jumbo, casual, 2013.

3.Be5 h6 4.Bg7 Rh7 5.Bb2 b6 6.e3 Nc6 (Better is 6...h5+–) 7.Bd3 f5 (7...Nf6 8.a3 Bf8 9.Qf3+–) 8.Bf5 Re7 (8...Rf7 9.Bg6 Qe7+–) 9.Bg6 Kf8 (9...Rf7 10.Bf7 Kf7 11.Qh5 Ke7+–) 10.Qf3 Rf7 (10...Nf6 11.Qf6 Kg8 12.Qh8#) 11.Qf7# 1–0. guest1460 – guest649, ICC, 2003.

3.f3?? Nc6 4.Nc3 Nf6 5.e4 0–0 6.Bb5 Nd4 7.Nge2 Nb5 8.0–0?? Nc3 9.Nc3 Bc5 10.Kh1 d5 11.ed5 Bd4 12.Re1 Nd5 13.Rb1 f6 14.Ne4 Bb2 15.Rb2 Nf4 16.d3 b6 17.Qd2 c5 18.a4 Qd4 19.Reb1 Qa4 20.Rb5 f5 (21.Nd6 Qd4 22.Nc8 Rfc8–+) 0–1. calu_mishu (1620) – pierre (1890), internet, 2006.

3.Nf3 Qf6 4.Be5 Qg6 (-->3.Be5 Qg5 4.Nf3 Qg6).

3.g3?? Nc6 4.Bg2 Nf6 5.Nc3 0–0 6.Nh3 d5 7.0–0 Ne4 8.Ne4 de4 9.d3 Bg4 10.f3 Bc5 11.Nf2 Bf3–+ 12.ef3 e3 13.Kh1 ef2 14.c3 Qd7 15.d4 ed4 16.cd4 Bd4 17.Bd4 Qd4 18.Qd4 Nd4 19.Rf2 b6 20.f4 Rad8 21.g4 f5 22.g5 h6 23.gh6 gh6 24.a4 Ne6 25.a5 Rd4 26.ab6 ab6 27.Ra7 Rfd8 28.h3 Rf4 29.Re2 Kf7 30.Kh2 Rc4 31.Ra1 Nf4 32.Rf2 Ng2 33.Kg2 Kf6 34.Ra3 f4 35.Rb3 Rg8 36.Kh2 Rg5 37.Rd3 b5 38.Rd8 Rh5 39.Rf8 Ke5 40.Re2 Kd5 41.Rf6 b4 42.Rd2 Ke5 43.Rf8 Rc3 44.Re8 Kf6 45.Rf8 Ke6 46.Rf4 Rch3 47.Kg1 Rh1 (48.Kf2 c5–+) 0–1. Harnas (1805) – teoretic (2020), internet, 2007.

3.g3?? d6 4.Bg2–+ Nc6 5.Nf3 Nf6 6.0–0 0–0 7.d3 Bf5 8.Nbd2 Ba5 9.h3 Bg6 (9...Qd7 10.g4 Be6 11.c4–/+) 10.Nc4 Bb4 11.c3 Bc5 12.d4 ed4 13.cd4 Bb4 (13...Bb6!?+=) 14.a3= Ba5 15.d5 (worse is 15.Na5 Na5 16.Qa4 b6+=) 15...b5 16.Na5 (16.Nd4 Nd4 17.Na5 c5 18.dc6 Ne2 19.Qe2 Qa5 20.Bf6 gf6+/–) 16...Na5+= 17.Bc3 Nc4 18.Nd4 (18.Nd2 Nb6 19.e4 Re8+=) 18...a6 (18...Qe8!?–/+) 19.Nc6= Qe8 20.Bf6 gf6 21.Re1 Ne5 22.Rc1 Nc6 23.Rc6 (23.dc6?! Qe6=) 23...Qe7 24.Qd2 Kg7 25.e4 Ra7 26.f3 Rb8 27.Qa5 Attacking the backward pawn on c7 27...Rb6 28.Rec1 (better is 28.Rb6!? cb6 29.Qb6+/–) 28...Rc6= 29.Rc6 (worse is 29.dc6 f5+=) 29...f5 30.Qc3 Qf6 31.Rc7 (31.Qe3!? Rb7 32.Ra6 fe4 33.fe4=) 31...Rc7+= 32.Qc7 Qa1 (32...fe4 33.fe4 Qa1 34.Kh2+=) 33.Kh2+= Qa3 (better is 33...fe4!? 34.Qd6 e3=) 34.e5+= de5?? (better is 34...Bh5+=) 35.Qe5 Kg8 (35...f6 36.Qc7 Kg8+–) 36.d6 Qd3 37.Qe8 (37.f4!? b4 38.Qe7 f6+–) 37...Kg7 38.d7 1–0. bblchess (1620) – stameni, gameknot.com, 2014.

3.g3?? Nh6 4.c3 (Better is 4.Be5 0–0 5.Bg2=+) 4...d6?? 5.Bg2?? Bc5–/+ 6.Ba3 0–0 7.Nf3 Bf5 8.h3? Na6 9.g4 Be4 10.d3 Bd5 11.d4 ed4 12.cd4 Bb6 13.0–0 Re8 14.h4? Ng4–+ 15.Bh3?! Re4 16.Ng5?? f5 17.f3?? Rd4–+ 18.Ne6 Be6 19.Qc1 Ba5 20.e4 Qh4 21.Kg2 Nb4 22.Bb2 Nd3 23.Qd1 Nf4 24.Kg1 Rd1 25.Rd1 Qh3 0–1. Tiedemann,Marcel – Alex,Thieme, remoteschach.de, 2002.

3.g4?? Qh4 4.h3 Qg5 5.c3 Be7 6.d4 ed4 7.cd4 Qd5 8.e3?? Qh1–+ 9.Ne2 Bb4 10.Nbc3 Bc3 11.Bc3 b6 12.a4 Bb7 13.Kd2 d6 14.Rb1 Bf3 15.Qc2 Nc6 16.Qf5 Be2 17.Be2 Qh3 18.Bf3 Qh6?? 19.Bc6+– Kf8 20.d5?? Ne7–+ 21.f4?? Nf5 22.gf5 Re8 23.Rb4 Qh3 24.Be8 Ke8 25.Rc4 c5 26.Bg7 Qg2 27.Kd3 Qg7 28.Re4 Kd8 (29.Rc4 Qb2–+) 0–1. hollsan – lil lin, internet, 2007.

3.h4?? d6 4.Nf3 Nf6 5.g3 Nc6 6.Bh3 Bh3 7.Rh3 Qd7 8.Ng5? h6 9.Nf3 Qh3 10.e3 Ne4 11.c3 Qg2 12.Ba3 Qf2# 0–1. Kani,Dan (1800) – Thoma,Theo (1820), remoteschach.de, 2004.

3.c3?? Bd6

4.d3 Nf6 5.e4 0–0 6.Nf3 Qe7 (6...Re8 7.Bc1–/+) 7.Nbd2 (7.Be2 Bc5–/+) 7...Nc6 (better is 7...Bc5–/+) 8.d4? (better is 8.Be2!?–/+) 8...ed4–+ 9.cd4 (9.Qc2 dc3 10.Bc3 Bb4–+) 9...Ne4 10.Ne4?! (10.Qe2 Bb4 11.a3–+) 10...Bb4 (10...Qe4?! 11.Qe2 Qf4 12.Kd1–+) 11.Nfd2 Qe4 12.Be2 Qg2 13.Bf3 (13...Re8 14.Qe2 Re2 15.Ke2–+; 13.Rf1–+). dugmak – nitousche, ChessWorld.net, 2004.

4.d3 Nf6 5.e4 a6 6.Nf3 0–0 (6...Nc6 7.Nbd2–/+) 7.Nbd2 Nc6 8.g3 (8.Nc4 Bc5–/+) 8...Bc5 (8...Be7 9.c4 d6 10.d4–+) 9.d4–/+ ed4 10.cd4 Ba7 (10...Bb6 11.e5 Re8 12.Be2–/+) 11.e5 (11.d5 Nb8–/+) 11...Qe7 (11...Re8 12.Be2 Nd5 13.Qb3–/+) 12.Be2 Nd5 13.0–0 d6 14.Ne4 (14.Qb3 Be6 15.Qb7 Na5 16.ed6 Qd7 (worse is 16...Nb7 17.de7 Ne7 18.Ng5+=) 17.Qa6 Bd4 18.Qa8 Bf2 19.Rf2 Ra8 20.dc7 Nc7–/+) 14...de5 (14...Bf5 15.Qb1–+) 15.de5 Bg4?? (better is 15...Rd8 16.Qb1 Bg4–/+) 16.Qd5+– Bh3 (16...Rfd8 17.Qb3+–) 17.Rfd1 (17.Rfc1 Be6 18.Qd3 Rfd8+–) 17...Rad8 (17...Be6 18.Qd2+–) 18.Qb3 b5 19.Rac1 Na5 (19...Rd1 20.Qd1 Bd7 21.Qd3+–) 20.Qc3 Nc4 (20...Rd1 21.Rd1 (21.Bd1?! Nc4+–) 21...b4 22.Qd3+–) 21.Bc4 bc4 (21...Rd1 22.Rd1 bc4 23.Ba3+–) 22.Ba3 Qe8 (22...Rd1 23.Rd1 c5+–) 23.Bf8 Qf8 (23...Rd1 24.Rd1 Qf8 25.Qc4+–) 24.Qc4 Bg4 (24...Re8+–) 25.Nf6! gf6 26.Qg4 Qg7 27.Rd8 1–0. Janek – Tundja, internet, 2017.

4.d3 Nf6 5.e4 Be7 6.Nf3 Nc6 7.Be2 –/+.

3.e3?? d6–/+

4.c3 Ba5 5.Nf3 Nf6 6.d4 ed4 (6...e4 7.Nfd2–/+) 7.Nd4 0–0 8.Be2 Ne4 9.Qc2 Re8 10.0–0 Nd7 11.Na3 c6 12.Nc4 Bc7 13.Nd2 Nd2 14.Qd2 Ne5 (14...d5 15.c4 dc4 16.Qc3–/+) 15.c4 Qh4 16.Qc2 Bd7 17.h3 Qh6 18.Rfd1 Rad8 19.Qb1 Qh4 20.Nf5 Qg5 21.Be5 b6 (21...Bf5 22.Qb7 Be4 23.Bf1+=) 22.Ng7= (22.Nd6?? Qe5 (22...Re5? 23.f4 Qg3 24.fe5 Qe3 25.Kf1+–) 23.Bd3 Bd6–+; worse is 22.Bd6 Bf5 23.Bc7 Bb1 24.Bd8 Rd8 25.Rab1 Rd1 26.Rd1 g6–/+) 22...Re5 23.f4 Qg7 24.fe5 Qe5 25.Qc1 d5 26.Bf3 (26.cd5!? cd5 27.Rd5 Qd5 28.Qc7+=) 26...dc4+= 27.Qc4 Qe3 28.Kf1 c5?? (28...Bg3 29.Qe2 Qe2 30.Ke2 Re8 31.Be4+=) 29.Rd3?? (29.Rd7 Rd7 30.Re1–+) 29...Qe6 (29...Be6 30.Bd5 Qg5 31.Be6 Qf6 32.Ke2 Qb2 33.Kf3 Rd3 34.Qd3 Qa1 35.Bf7 Kg7 36.Bc4–/+) 30.Qe6 fe6–/+ 31.Kg1 c4 32.Rd4 b5 33.Rh4 Be8 34.a4 Bb6 35.Kh1 a6 36.ab5 ab5 37.Re4 Bd4 38.Rd4 Rd4 39.Ra8 Kf7 40.Bh5 Kf6 41.Be8 b4 42.Rb8 b3 43.Ba4 Rd2 44.Bb3 cb3 45.Rb3+= e5 46.Kg1 Kf5 47.g4 Kf4 48.Rb7 h6 49.Rb6 Kg3 50.Rb3 Kh4 51.Re3 Rb2 52.Re5 Kh3 53.Rh5 Kg3 54.Kf1 Rf2 55.Ke1 Rf6 56.g5 Re6 57.Kd2 ½–½. nuclearowl (2060) – yulio (2115), gameknot.com, 2013.

4.h3 Nf6 5.Nf3 0–0 6.Be2 e4 7.Nd4 d5 8.c4 (8.0–0 Nc6–/+) 8...dc4 (8...c5 9.Nc2–+) 9.Bc4 (9.Na3 c5 10.Ndc2 Ba5–+) 9...a6 10.0–0 b5 11.Be2 Be7 (11...Bd6 12.Qc2 c5 13.Nb3–+) 12.Qc2 c5 13.Nb3 Bf5 (13...Nbd7 14.Bf6 Nf6 15.Nc5–+) 14.Bf6 gf6 (14...Bf6 15.Qc5 Be6 16.Nd4 Bd4 17.ed4–/+) 15.Nc3 (15.Nc5? Qc7 16.g4 Bg6–+ (16...Qc5 17.Qc5 Bc5 18.gf5+=; 16...Bc5?! 17.gf5 Qe5 18.f4 ef3 19.Bf3 Qg3 20.Bg2=)) 15...Nc6 16.Nd5?? (better is 16.Ne4 c4 17.d4 cd3 18.Qd3 (18.Bd3?? Nb4 19.Qd1 Qd3 20.Qd3 Nd3–+) 18...Qd3 19.Bd3+=) 16...Qd5–+ 17.Qc3 c4 (17...Rad8 18.a4 c4 19.ab5 ab5 20.Nd4 Nd4 21.ed4 Qd4 22.Rfd1–+) 18.Nc1 (18.Na5 Na5 19.Qa5 Kh8–+) 18...Ne5 (18...Rfd8 19.Rd1–+) 19.Kh1 (19.f4 ef3! 20.Bf3 Nf3 21.Rf3 Rad8–+) 19...Rfd8 20.f4 (20.Rd1 b4 21.Qc2 Nd3–+) 20...ef3 21.Bf3 (21.Rf3 b4 22.Qd4 Qc6 23.Rg3 Kh8–+) 21...Nf3 22.Rf3 Be4 23.Rg3 Kf8 24.Rg4 (24.Ne2 Qd2 25.Rg4 Bb7 26.Qd2 Rd2–+) 24...b4 25.Qb2 (25.Qd4 Qd4 26.ed4 f5 27.Re4 fe4–+) 25...c3 26.dc3 Qd1 27.Kh2 Rd2 28.Qd2 Qd2 29.cb4 Bd6 0–1. drengur1 (2015) – angeloyoung (2260), gameknot.com, 2014.

3.Be5 h5

4.Bg7+/– Rh7 5.Bb2 c5 6.e3 d5 7.Bd3 Bg4?? (better is 7...f5+–) 8.f3 (8.Bh7 Bd1 9.Kd1 Nf6+=) 8...Be6 (8...Rh6 9.fg4 Qh4 10.g3 Qg4 11.Nf3+–) 9.Bh7 Nf6 10.Bd3 Nfd7 11.f4 Bg4 12.Be2 Nc6 13.Bg4 Qh4 14.g3 Qg4 15.Qg4 hg4 16.Nc3 (better is 16.a3 Ba5+–) 16...0–0–0 (16...Bc3 17.Bc3 d4 18.ed4 cd4 19.Bb2+–) 17.Nd5 Na5 (17...c4 18.a3 Ba5 19.0–0–0+–) 18.Nb4 cb4 19.d3 Re8 20.Kd2 Nc5 21.h3 gh3 22.Rh3 Rd8 23.Bd4 Ne6 24.Nf3 Nd4 25.Nd4 1–0. forsetinn (1785) – willzy, gameknot.com, 2013.

4.Bg7 Rh7 5.Bc3 Ba3?? (Better is 5...Bc3 6.Nc3 d5+/–) 6.Na3+– Qe7 7.Nb5 Qd8 8.e3 c6 (8...d6+–) 9.Nd6 Ke7 10.Bb4 Qc7 (10...c5 11.Bc5 Qc7 12.Nc8 Ke6 13.Bc4 d5+–) 11.Qf3 Rh6 12.Qf7 Kd8 13.Qe8# (13.Qf8#) 1–0. kamret (2185) – Diego_A_Maradona, GameColony.com, 2003.

3.a3?? Ba5

4.Bc3 Bc3 5.Nc3 d5 6.e3 Nf6 7.Nf3 e4 8.Ne5 0–0 9.Be2 Qd6 10.f4 Nc6 11.Nb5 Qe7 12.Nc6 bc6 13.Nd4 c5 14.Nc6 Qd6 15.Na5 Qb6 16.Nb3 a5 17.Rb1 a4 18.Nd4 Qa5?? 19.Rb5 Qa7 20.Nc6= (20...Qa6 21.Rc5=+). rcarroll (1705) – gonso (2300), net–chess.com, 2003.

4.e4 Nc6 5.Nf3 d6 6.Bc4 Nf6 7.0–0 Ne4–+ 8.Re1 Nf6 9.Nc3 0–0 10.Qe2 Bg4 11.h3? Nd4 12.Qd3 Nf3 13.gf3 Bh3 14.Kh2? Qd7 15.Nd5 Nd5 16.Bd5 c6 17.Bb3 Bf5 18.Qf1 Bd2 19.Re3 Be3 20.fe3 Rfe8 21.e4 Be6 22.Qg2 Bb3 23.Rg1 f6 24.cb3 d5 25.ed5 cd5 26.f4 Qf7 27.fe5 Qh5 (28.Kg3 Qg6 29.Kf3 Qe4 30.Kg3 Qg2 31.Rg2 fe5–+) 0–1. alexp (2335) – rcastaneda (2430), net–chess.com, 2003.

4.e4 d6 5.f4 –/+.

4.Be5 Nf6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.a3 Ba5).

4.Be5 Qg5 5.Bc3 Nc6 6.Nf3 Qg6 7.e3 Nf6 8.Bf6 Qf6=+ 9.c3 0–0 10.Bb5 a6–/+ 11.Bd3 d5 12.0–0 Bg4 13.Be2 Bf3 14.Bf3=+ Rad8 15.d4 b5 16.Nd2 (16.a4 b4+=). pauloroberto – juancabeta, internet, 2006.

3.a3?? Bc5

4.a4? d6 5.e3 –/+.

4.a4? Qf6 5.e4?? Qf2# 0–1. dirtyorc – fzayas, net–chess.com, 2000.

4.d4 ed4 5.Bd4 b6?? 6.Bg7+– Qh4 7.e3 f5 8.Bc4 Qc4 9.Bh8 f4 10.Qd3 d5 11.Qc4 dc4 12.ef4 Bb7 13.Nf3 Nd7 14.0–0 Nh6 15.Nbd2 Ba6 16.Rfe1 Kf7 17.Bd4 Nf5 18.Bc5 (18...Nc5 19.Nc4 Bc4 20.Ne5 Kf6 21.Nc4+–) 1–0. supertimchan (2075) – pauldopson, net–chess.com, 2004.

4.Be5 f6 5.Bc3 Ne7 6.e4 d5 7.e5? fe5–+ 8.Be5 Nbc6 9.Qh5? Ng6 10.Bg7 Qe7 11.Qe2–/+ Qe2 12.Ne2= Rg8 13.Bh6 Bf5=+ 14.d3 0–0–0 15.Bg5=+ Rde8 16.Nbc3 d4 17.Nd5= Rgf8 18.Nf6+= Re6 19.Nh7?? Rfe8?? 20.Nf6+– Rf8 21.Nh7?? Rf7–/+ 22.g4? Bg4–+ 23.Nf6 Nge5?? 24.h3 (24...Bf3 25.Rg1–+). mduerr (1700) – jacksrking, net–chess.com, 2009.

4.Be5 Nf6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.a3 Bc5).

3.a3?? Bd6

4.a4 Nc6 5.Na3 a6 6.c4 Qf6 7.g3 Na5 8.Qc2 Bc5 9.Nh3 d6 10.Bg2 Bh3 11.Bh3 Qf2 12.Kd1 Nf6 13.Rc1 g6 14.Bc3 Ba3 15.Ba5 Bc1 16.Kc1 b6 17.Bb6 Qb6 18.c5 Qc5 19.a5 Qc2 20.Kc2 c5 21.Rf1 Ne4 22.Rf6 Nf6 23.Bg2 Rb8 24.Bc6 Ke7 25.h4 Rhc8 26.e4 Rc6 27.g4 Ne4 28.g5 c4 29.h5 c3 30.h6 cd2 31.Kd1 Rb1 32.Ke2 d1Q 33.Ke3 Rb3 34.Ke4 Rb4 35.Ke3 Rc3 36.Kf2 Rb2 0–1. amy – BadDevil, VOGChess, 2001.

4.Nc3 c6 5.Ne4 Bc7–/+ (6.Ng3 d5–/+) 0–1. lachezar – Christobal (1625), internet, 2005.

4.Nc3 Nc6 5.e3 Nf6 6.Bd3 Be7 7.Nf3 0–0 8.Ne4? Ne4–+ 9.Be4 d5 10.Bh7 Kh7 11.Ne5 Qd6 12.Qh5 Kg8 13.Nc6 Qc6 14.0–0 Qc2 15.Rab1 c6 16.Bc3 Ba3 17.f4 Bc5 18.Qg5 Be3! 19.Kh1 f6 20.Qh5 (20.Bf6 Rf6 21.de3 Bf5–+) 0–1. IroniteNC – pierre, internet, 2005.

4.Nc3 f5 5.e4 Nf6 6.ef5 0–0 7.Bc4 Kh8 8.h3 Bc5 9.Qf3 c6–/+ 10.Nge2 d5–+ 11.Bb3 e4 12.Qg3 Bf5 13.Nf4 Nbd7 14.Nh5?? Nh5 15.Qh2 Nb6 16.g4 Bf2! 17.Qf2 Bg4! 18.hg4 Rf2 19.Kf2 Nf4 20.Rag1 Qf6 21.Ke1 Nd7 22.Nd1 d4 23.Ne3 c5 24.Bc4 Ne5 25.Nd5 Nd5 26.Rf1 Nf3 27.Kd1 Rd8 28.Rh3 a6 29.Rfh1 h6 30.Rf1 Qg5 31.Bc1 a5 32.Rg3 a4 33.Be2 Nc3! 34.dc3 dc3 35.Bd3 Qe5 36.Rgf3 ef3 37.Rf3 c4 38.Bf4 Qe4 39.Rf2 cd3 40.cd3 Qd3 (41.Rd2 c2 42.Kc1 Qa3 43.Kc2 Qb3 44.Kc1 Rc8 45.Bc7 Rc7 46.Rc2 Qc2) 0–1. Steve20 – dixi82, ChessWorld.net, 2006.

4.Nc3 Nf6 5.Nf3 e4 6.Nd4 Be5 7.Nf5 d5 8.Ng7? (better is 8.d4 ed3 9.Qd3–+) 8...Kf8–+ 9.Nd5 (9.d4 ed3 10.Qd3 Kg7 11.f4 Bc3 12.Qc3–+) 9...Qd5 (9...Kg7?! 10.Be5 Qd5 11.Bc7–+) 10.Be5 Qe5 (10...Kg7?! 11.Bf6 Kf6 12.e3–+) 11.d4 (11.Nh5 Qh5 12.e3 Qg5–+) 11...ed3 12.cd3 (12.Rc1 de2 13.Qe2 Qe2 14.Be2 Kg7 15.0–0–+) 12...Qc3 (12...Qc3 13.Qd2 Qa1 14.Qd1 Qa3–+ (14...Kg7?! 15.Qa1 Nbd7 16.g4+=)) 0–1. Vv2003 – Makel, playchess.de, 2003.

4.d3 Nc6 5.Nf3 Nf6 6.c4 0–0 7.e4 Bc5 8.Nbd2 d6 9.Qc2 Bg4 10.h3 Bh5 11.Be2 h6 12.0–0–0 a6 13.Ng1 Bf2 14.Ngf3 b5 15.Rhf1 Be3 16.g4 Bg6 17.g5 hg5 18.Ng5 Bg5 19.cb5 Ne7 20.Bf3 ab5 21.d4 Bf4 22.de5 de5 23.Rh1 Ned5 24.Rhg1 Ne3 25.Qc3 Nd1 26.Rd1 Ra4 27.Qb3 c6 28.Kb1 Qe7 29.Nf1 Rfa8 30.Bc1 Ra3 31.Ba3 Ra3 32.Qb2 Rf3 33.Nd2 Rf2 34.Rh1 Rd2 35.Qc3 Be4 36.Ka1 Qa7 0–1. nimzou (1730) – fairplaytackle, net–chess.com, 2014.

4.d4 ed4 5.Bd4 Nf6 6.Nf3 Nc6 7.Nc3 Nd4 8.Nd4 0–0 9.e3 c5 10.Nf5? Be5–+ 11.Nd5 Nd5 12.Qg4 Qa5 13.Ke2 Ba1 14.h4 b5 15.g3 Nc3 16.Kf3 Bb7 17.Kf4 Qa4 18.Nd4 Nd5 19.Ke5 f5 20.Qg5 Rae8 21.Kd6 Qa6 22.Kc5 d6 0–1. Wloka,Frank – Hein,Sebastian, remoteschach.de, 2003.

4.e3 Nc6 5.Qc1 Nf6 6.Nc3 Nd4?? (6...Be7 7.e4–/+) 7.Nge2?? (better is 7.ed4 ed4 8.Nb5 Qe7 9.Be2+–) 7...Ne2–/+ 8.Ne2 Bc5 9.Ng3 Be3?? 10.fe3 b6? 11.Be2 Ba6?? 12.Ba6 c5 13.Be2 Ne4 14.Ne4 Qg5 15.Ng5 f6 16.Nf3 h5 17.0–0 g6 18.Kh1 f5 19.d3 d6 20.e4 fe4 21.de4 Rf8 22.Bd3 d5 23.ed5 Rf3 24.Rf3 Kd7 25.Qf1 Ke8 26.Re1 Rd8 27.Be5 Rd5 28.Bg3 (28.Bg3 Re5 29.Rf8 Kd7 30.Qf7 Kd6 31.Be5 Kc6 32.Rc8; 28.Rf8 Kd7 29.Qf7 Kc6 30.Qc7) 1–0. Fournier,Frederic (2005) – elpiltrafilla, Active, 2008.

4.e4 c6 5.Nf3 Qe7 6.Be2 Bc7 7.0–0 Nf6 8.d3 (8.Nc3!?=) 8...0–0–/+ 9.Nbd2 d5 10.ed5 cd5 11.Re1 Nc6 12.c4 d4 13.Ne4 (13.h3 h6–+) 13...Ne4 14.de4 Bg4?? (14...Ba5 15.Rf1–+) 15.h3? (better is 15.Nd4!? ed4 16.Bg4–/+) 15...Bf3 (15...Be6!? 16.Qc2–+) 16.Bf3 a5 17.Qb3 Bd6 18.Rac1 a4 19.Qc2? (better is 19.Qd3–+) 19...Ba3 20.Ba3 Qa3 21.Ra1 Qc5 22.Ra4 Ra4 (better is 22...b5!? 23.Ra8 Ra8–+) 23.Qa4 Na5 24.Qb5 (24.Be2 Rc8 25.Rb1 Nc4 26.Bc4 Qc4 27.Qc4 Rc4 28.Rb7 Rc1 29.Kh2 h5–/+) 24...b6 25.Qc5 bc5 26.Rb1 Nc4 27.Rc1 Nd2 28.Rc2?? (better is 28.Rc5 f6 29.Rc2 Nf3 30.gf3–+) 28...Nf3 29.gf3 Rc8 30.Rc4 f6 31.Kf1 Kf7 32.Ke2 Ke7 33.Kd2 Kd6 34.Kc2 Rb8 (34...Ra8!? 35.Kb2–+) 35.Ra4 Rb7 36.Ra6 Kd7 37.Kd3 Rb3 38.Ke2 c4 0–1. croach (2360) – vhilts (2365), net–chess.com, 2015.

4.e4 Nc6 5.Nc3 Nf6 6.Nf3 0–0 7.Bc4 Be7 8.Qe2 d6 9.0–0 Bg4 10.Qe3 Qd7 11.h3 Be6 12.Be2 h6 13.Rfd1 Rfd8 14.d4 ed4 15.Nd4 Nd4 16.Rd4 d5 17.Qg3 c5–/+ 18.Rdd1 d4 19.Bc1 Kh8 20.e5 Nd5 21.Nd5 Bd5 22.Rb1 Qa4 23.Rb2 c4 24.Rd4 Qa3 25.c3 Qa1 26.Rd1 Bc6 27.Rf1 Qa4 28.Be3 Qa3 29.Rbb1 Be4 30.Ra1 Qc3 31.Rfc1 Qb4 32.Bc4= f6 33.Be6 a6 34.Rc7 Rd3 35.Qg4 Rad8 36.Rf1 f5 37.Bf5= Bf5 38.Qf5 Rc3 39.Rc3+= Qc3 40.Rc1 Qa5 41.Qe6 Ba3 42.Rb1 Qd5 43.Qd5 Rd5 44.Rb7 Re5 45.Ra7 Re6 46.Bd4 Be7 47.Kf1 Kh7 48.f4 Bf6 49.Bf6 Rf6 50.Ke2 Kg6 51.g3 Rd6 52.g4 Kf6 53.h4 Rb6 54.Kd3 g6 55.Kc4 h5 56.g5 Kf5 57.Rf7 Kg4 58.Rf6 Rb8 59.Rg6 Ra8 60.Rf6 Kh4+= 61.g6 Kg4 62.Kd5 h4 63.Ke6 Ra7 64.f5 h3 65.Rf7 Rf7 66.gf7 h2 67.f8Q h1Q 68.Qg7 Kf4 69.Qc7 Kg4 70.f6 Qh3 71.f7 Kf3 72.Ke7+– Qh4 73.Kd7 Qg4 74.Kd8 Qd4 75.Kc8 Qf6+/– 76.Qd7 a5?? 77.Qd5+– Kg3 78.Kd7 Qg7 79.Qd6 Kg2 80.Ke8 Qg5 81.f8Q Qh5 82.Qf7 (82…Qb5 83.Kd8 Qg5 84.Kd7 Qg4 85.Ke7 Qe4 86.Qfe6 Qh7 87.Ke8 Qh8 88.Qf8 Qf8 89.Kf8+–) 1–0. DoctorWho – crafty, ICC, 1996.

4.Nf3 Qf6 5.d4 Nc6 6.de5 Ne5 7.Ne5 Be5 8.Be5 Qe5 9.Nd2 d5 10.g3 Nf6 11.Bg2 Bg4 12.Bf3 Bf3 13.Nf3 Qc3 14.Nd2 Ne4 15.f3 Nd2 16.Kf2 f5 17.e3 Rd8 18.Ke2 Nc4 19.Qd4 Qc2 20.Qd2 Qd2 21.Kf1 Ne3 22.Kg1 Qg2 0–1. Westerink,R V – JSBach, ICC, 1999.

4.f4 Qe7 5.Nf3 Nc6 6.e3 Nf6 7.fe5 Ne5 8.Nc3 Nf3 9.Qf3 c6 10.g4 Be5 11.g5 Ng8 12.d4 Bc7 13.d5 Be5 14.0–0–0 Qg5 15.Bh3 Qf6 16.Qe4 Kf8 17.Rhf1 Qe7 18.Be6 Bf6 19.Bf5 d6 20.Bc8 Rc8 21.Qd3 Be5 22.Ne4 Bh2 23.dc6 Rc6–+ 24.a4 h5 25.Rf5 h4 26.Rh1–/+ Nh6 27.Rh5 Bg3 28.Ng3 hg3 29.Rg1 f6 30.Rg3 Qe6 31.Rh4 Rg8 32.Re4 Qf5 33.Ba3 Qd7 34.Rf4 Rh8 35.Rh4 Kg8 36.Rf4 d5 37.Bb2 Qe7 38.Qg6=+ Qf7 39.Qd3 Rh7–/+ 40.Rh3 Qe6 41.Rfh4 Rd6 42.Qg6 f5 ½–½. Bonetti,Shane – Trokenheim,Marek, TSC TT–12, 2004.

4.e3 Nf6–/+

5.Bc4 0–0 –/+.

5.Nf3 e4 6.Ne5 c6 7.d3 0–0 8.Nd2=+ Be5 9.Be5 d5 10.de4 Nbd7 11.Bd6 Re8 12.ed5 Nb6 13.Bg3 Nbd5 14.Bd3 Bg4 15.Qb1 Qa5 16.Qc1 Nh5 17.Kf1 Rad8 18.Bh4 f6 19.Kg1 Nc3 20.Nb3 Qe5 21.Qd2 Be2 22.Bg3 Ng3 23.hg3 Bd3 24.cd3 Ne4 25.Qe2 Qc3 26.de4 Qb3 27.Rh4 Re5 28.Kh2 b5 29.a4 ba4 30.Rc1 a3 31.Rc6= a5 32.Rc1 a4 33.Ra1 Rc5 34.Qg4= Rg5 35.Qh3 h6 36.f4 Rb5=+ 37.Qg4 Qe3 38.e5 Rb6 39.Qf5 Qd3 40.g4 Qc4 41.Ra3=+ Rd2 42.Rhh3 Rbb2 43.Rhg3 Qc6 44.Raf3 a3 45.ef6 0–1. Baer,Werner – Schulz,Hans_Juergen, TT–17.20 ETC, 2005.

4.e4 Nf6

5.Nc3 c6 6.Nf3 0–0 7.Bc4 b5 8.Ba2 Bc7 9.0–0 d6 10.Ne2 Ne4–+ 11.d3 Nf6 12.Ng3 Bg4 13.Qe2 Nbd7 14.Rfe1 Nh5 15.Nh5 Bh5 16.d4 Re8 17.Qd3 Bg6 18.Qb3 e4 19.Nd2 d5 20.Nf1 Qg5 21.Ne3 f5 22.Qc3 Re6?? 23.g3? f4 24.g4?? fe3–+ 25.Re3 Qg4 26.Rg3 Bg3 27.Qg3 Qh5 28.Re1 Bf5 29.Kh1 Rg6 30.Qe3 Bg4 (31.Bd5 cd5–+) 0–1. IroniteNC – Christobal (1605), internet, 2005.

5.d3 0–0 6.Nf3 Nc6 7.Nc3 Ng4 8.h3 Nf6 9.Be2 Re8 10.0–0 Bc5 11.Nd5 Nd5 12.ed5 Nd4 13.Rc1 Ne2 14.Qe2 d6 15.Qd2 c6 16.c4 Bf5 17.g4 Bg6–+ 18.Rce1 cd5 19.cd5 Bb6 20.Bc3 Rc8 21.Re2 Rc5 22.Rfe1 Qc8 23.d4 Rc3 24.de5 Rf3 25.ed6 Rd8 26.d7 Qd7 27.d6 Qc6 28.Kh2 Bd3 29.d7 Be2 30.Rc1 Rf2 31.Kg3 Rg2 32.Kh4 Bf2 33.Kg5 Qf6 (34.Kh5 Qg6) 0–1. boldeagle – color1972, ChessWorld.net, 2005.

4.Nf3 Nc6

5.d4 e4 6.d5 ef3 7.dc6 fg2 8.Bg2 Nf6 9.cb7 Bb7! 10.Bb7 Rb8 11.Nd2 Rb7 12.Rb1 0–0 13.e3 Qe7 14.Bf6 Rb1 15.Be7 Rd1 16.Kd1 Be7 17.a4 Rb8 18.Ke2 f6 (18...d5 19.Nb3–/+) 19.a5 Rb2 20.Kd3 Ra2 21.Nb3 Bb4 22.Rb1 a6 23.e4 Ba5 24.Na5 Ra5 25.Rb7 Rc5 26.c3 Kf7 27.Ra7 Ke7 28.Ra6 Rh5 29.f3 Rh2 30.Ra7 c6 31.Ra5 0–1. NN – Fritz 8, 2003.

5.e3 b6 6.d4 ed4 7.ed4 Qe7 8.Be2 Nf6 9.0–0 0–0 10.Re1 Re8 11.Bc4 Qd8 12.Ng5= Rf8 13.Nf7 Rf7–/+ 14.Bf7 Kf7 15.d5 Na5 16.Nd2 Bb7 17.Bf6 gf6 18.Qf3 Qg8 19.Qf5 Rd8 20.Nb3 Nc4–+ 21.Re4 Ne5 22.Rh4 Kg7 23.Re1 Ng6–+ 24.Ra4 Bd5 25.Ra7 Bg2! 26.Nd4 Nf4 27.Re3 Bd5 28.a4 Be6 29.Ne6 de6 30.Qg4 Kh8 31.Qg8 Rg8 32.Kf1 Rd8 33.Re1 Be5 34.c4 Rd2 35.Re4 Nd3 36.Ra8 Kg7 37.Rg4 Kf7 38.Rh4 Rf2 39.Kg1 Rc2 40.Rh7 Kg6 41.Rh4 Nf4 42.h3 Rc4 43.Kf1 f5 (44.Rg8 Kf7–+) 0–1. Chess Master 3000,At – Meph,Mo Carl, Debrecen, 1992.

5.e4 b6 6.Bc4 Nf6 7.0–0 Bb7 8.d3 a6 9.Qd2 0–0 10.Qg5 h6 11.Qf5 Ne7 12.Qh3 Bc8 13.Nbd2 Bc5–/+ 14.Qg3 d6 15.d4 ed4 16.Nd4 Bd4 17.Bd4=+ Ng6?? 18.Qg6+– Kh8 19.Bf7 Qe7 20.Bd5 Nd5 21.ed5 Bf5 22.Qh6 Kg8 23.Rae1 Qf7 24.Qg5 Bc2 25.Re7 (25...Qe7 26.Qe7+–) 1–0. orane – opponent, internet, 2008.

5.e4 Bc5 6.Ne5=+ Qf6 (6...Bf2 7.Kf2 Qf6 8.Kg1 Ne5 9.d4=+) 7.d4 (7.Nd3 Bf2 8.Nf2 Qb2=+) 7...Ne5 8.dc5 Nf3 9.Qf3 Qb2 10.Qc3 Qc1 11.Ke2 Qg5 12.f4 (12.Qg3 Qg3 (12...Qc5?? 13.Qg7 Qc2 14.Nd2+–) 13.hg3 b6=) 12...Qg4 =+.

5.e4 Qe7 6.Nc3 Bc5 7.Nd5 Qd8 8.Ne5 (< 8.Be5 Ne5 9.Ne5 Bd4=+) 8...Ne5 9.Be5 d6?? (9...Kf8 10.Qg4 Nf6 11.Bf6 gf6+–) 10.Bg7 (10...c6 11.Nc3+–) 1–0. Fritz 8 – NN, 2003.

5.e3 Nf6

6.d3 0–0 7.Be2 Re8 8.0–0 Bc5 9.c4 d6 10.Nc3 Bf5 11.Rc1 Bb6 12.Nh4 Bc8 13.Nf3 Qd7 14.Ng5 Qf5 15.Nge4 Be6 16.Bf3 Qg6 17.Nf6=+ Qf6 18.Ne4 Qe7 19.Qc2 f5 20.Nc3 Qg5 21.Nd5 Bf7 22.g3 Re6 23.Nb6 ab6 24.Bd5 Re7 25.f4 Qg6 26.Rce1 Rae8 27.e4 ef4 28.Rf4 Bd5 29.cd5 Nb8 30.Rf5 Qf5 31.ef5 Re1 32.Kf2 R1e7 33.g4 Nd7 34.h4 Nf6 35.Bf6= gf6 36.Kf3 Re3 37.Kf4 R8e7 38.g5 Kg7 39.Qg2 R3e5 40.Qh1 b5 41.d4 Re2 42.Qf3 Re1 43.Qg2 ½–½. pierre – jaskier, internet, 2006.

6.d3 0–0 7.Be2 Re8 8.c4 Bf8 9.0–0 d5 10.cd5 Nd5 11.Nbd2 Nb6 12.Qc2 Bf5 13.Ne4 a6 (13...Qd5 14.Nfd2–/+) 14.Rac1 h6 15.Ng3 Bh7 16.Qb3 Qd5 17.Qd5 Nd5 18.Ne4 f6 19.Bd1 Nb6 20.Bb3 Kh8 21.Rcd1 Na5 22.Bf7 Re7 23.Ba2 Na4 24.Ba1 Rd7 25.Nc3 (Better is 25.Be6!? Rdd8 26.Be5 fe5 27.Ne5 Be4 28.Nf7 Kh7 29.Nd8–+) 25...Nc3–+ (25...Rd3?! 26.Na4 Ra3 27.Nc3=+) 26.Bc3 Nc6 27.d4 ed4 28.Nd4 Nd4 29.ed4 Ba3 30.Ra1 Bd6 31.Rfe1 Rdd8 32.Bd5 Bh2! 33.Kh2 Rd5 34.Kg3 Rd7 35.Ra2 Bd3 36.Kf4 Rad8 37.f3 Kg8 38.g3 Kf7 39.Ke3 Bb5 40.g4 Re8 41.Kf2 Re1 42.Ke1 Ke6 43.Kd2 Kd5 44.Rc2 Bc4 45.Rc1 c5 46.Re1 b5 47.Kc1 b4 48.Bd2 Kd4 49.Be3 Kc3 50.Bc5 b3 51.Ba3 a5 52.Re3 Bd3 53.Re6 a4 54.Re8 Rc7 55.Rd8 Be2 56.Bb2 Kb4 57.Kb1 Re7 58.Bc1 Bf3 59.Rd4 Kb5 60.Rf4 Bc6 61.Ba3 Re1 62.Kb2 Be4 63.Kc3 Re2 64.Rf1 Bh7 65.Rc1 Rg2 66.g5 hg5 67.Rh1 Bf5 68.Rh8 Rc2 69.Kd4 g4 70.Rh5 g6 71.Rh1 g3 72.Rd1 b2 73.Bb2 Rb2 74.Ke3 g2 75.Rg1 a3 76.Kf3 a2 77.Ra1 Bb1 78.Ra2 Ra2 79.Kf4 g1Q 80.Kf3 Qf2 81.Kg4 Bf5# 0–1. Val_Vipp (2820) – harimau, ICC, 2000.

6.d4 ed4 7.ed4 0–0 8.Be2 b6 9.0–0 (9.d5 Na5 10.0–0 Bb7–/+) 9...Bb7 (9...Re8 10.Re1–/+) 10.c4 Na5 11.Nc3 Re8 12.Re1 c6 13.Qc2 Be7 14.Bd3 Ba6 15.Ne4 Ne4 16.Be4 g6 17.d5 Nc4 18.dc6= d5 19.Rad1 Nb2 20.Qb2 Bc4 21.Bd3 Bd3 22.Rd3 Bc5 23.Red1 Qd6 24.Rd5 Qc6 25.Rd7 Re7 26.Re7 Be7 27.Re1 Bd6 28.Rd1 Rd8 29.Qb3 Qc7 30.a4 Bf8 31.Rd8 Qd8 32.g3 Bc5 33.Kg2 Qf6 34.Qa2 Kg7 35.h4 h6 36.Qe2 Qa1 37.Qe4 Qb2 38.Qe5 Qe5 39.Ne5 f6 40.Nc6 a6 41.Nb8 a5 42.Nc6 b5 43.ab5 a4 44.Na5 Kf7 45.Nb7–/+ Bb4 46.Nd8 Ke8 47.Nc6 Bc5 48.g4 Kd7 49.Na5 Kc7 50.Nc4 a3 51.Na3 Ba3 52.h5 gh5 53.b6 Kb6 54.gh5 Kc5 55.Kf3 Kd4 56.Kf4 Bc1 57.Kf5 Bg5 58.Kg4 Ke4 59.Kg3 f5 60.Kg2 f4 61.f3 Ke3 62.Kh3 Kf3 63.Kh2 Ke3 64.Kh3 f3 65.Kg4 f2 66.Kf5 f1Q 67.Ke6 Qd3 68.Ke5 Qa6 69.Kd5 Be7 70.Ke5 Qc4 71.Kf5 Qe4# 0–1. Val_Vipp (2840) – harimau, ICC, 2000.

6.d4 ed4 7.ed4 0–0 8.Be2 Re8 9.d5 Ne5 10.0–0 c6 11.Ne5 Be5 12.Be5 Re5 13.dc6 bc6 14.Nd2 d5 15.c4 Qe7 16.Re1 Bg4! 17.Bg4 Ng4 18.Nf3 Re1 19.Qe1 Qe1 20.Re1 Kf8 21.cd5 cd5 22.h3 Nf6 23.Rc1 Rd8 24.Nd4 g6 25.Rc7 Rd7 26.Rd7 Nd7 27.Nc6 Nb6 28.Na7 Ke7 29.Nb5 Kd7 30.Nd4 Kd6 31.Nb3 Kc6–/+ 32.Kf1 Kb5 33.Nd2 Ka4 34.Ke2 Ka3 35.Kd3 Kb4 36.Kd4 Kb5 37.Nf3 f6 38.Nh2 Kc6 39.Ng4 f5 40.Nf6 h5 41.h4 Kd6 42.Ne8 ½–½. pierre – Hitman, internet, 2007.

6.d4 ed4 7.ed4 Qe7 8.Be2 Bf4 9.d5 Ne5 10.0–0 0–0 11.Qd4 Nf3 12.Bf3 Qd6 13.g3 Bh6 14.Qb4 Ne8 15.Re1 Qb4 16.ab4 d6 17.Bd4 a6 18.Nc3 Bf5 19.Ra2 Bg5 20.Bg2 Bf6 21.Ne2 Bd7 22.Ra3 Bd4 23.Nd4 Nf6 24.Rea1 Rfe8 25.f4 Rad8 26.Rc3 Rc8 27.Rca3 Ng4 28.Bf3 Ne3 29.Kf2 Nf5 30.Nb3 Re7 31.c3 Ne3 32.Nd4 Nc4 33.R3a2 Re3 34.Rc1 Rce8 35.Be2 Nb6 36.Bf3 Bh3 37.g4 Bg4 38.Bg4 Nd5 39.Re2 Re2 40.Ne2 Nf6 41.Bf3 d5 42.Re1 b6 43.Rd1 c6 44.Nd4 c5 45.bc5 bc5 46.Nc6 Ne4 47.Be4 de4 48.Rd5 c4 49.Ke3 f6 50.Ra5 h6 51.Ra6 g6 52.Na5 Kg7 53.Nc4 Re7 54.Kd4 h5 55.h4 f5 56.Ne5 Kh7 57.c4 Rg7 58.c5 Rb7 59.Rg6 Rb4 60.Kc3 Rb5 61.Kc4 Rb2 62.Rg5 e3 1–0. Doctor 3.0 – EXchess 3.11, 2002.

5.e4 a6

6.Bc4 Nf6 7.0–0 –/+.

6.Bc4 Nf6 7.Nc3 –/+.

6.Bc4 Nf6 7.Bd5 –/+.

6.Bc4 h6

7.0–0 Nf6 8.d4 ed4 9.e5 Be5 10.Ne5 Ne5 11.Re1 d6 12.f4 0–0 13.fe5 de5 14.Re5 Ng4 15.Re4 Ne3 16.Qe2 c5 17.Bd3 Be6 18.Re3 de3 19.Qe3 c4 20.Be2 Re8=+ 21.Qe5 f6 22.Qc5 Bf7 23.Nc3=+ b6 24.Qf2 Qd2 25.Bf3 Rad8 26.Qd2 Rd2–/+ 27.Rc1 Bg6 28.Bd5 Bf7 29.Bf3 Bg6 30.Bd5 Bf7 31.Bf3= (31…f5 32.Bb7–/+) =. Val_Vipp (2845) – harimau, ICC, 2000.

7.0–0 Nf6 8.d4 ed4 9.e5 Be5 10.Ne5 Ne5 11.Re1 d6 12.f4 0–0 13.fe5 de5 14.Re5 Ng4 15.Re4 Ne3 16.Qe2 (< 16.Qd4 Qd4 17.Rd4 Nc2–/+) 16...c5 (< 16...Nc4 17.Qc4 Be6 18.Qd4 Qd4 19.Bd4+/–) 17.Bd3 Be6 18.Re3 de3 19.Qe3 c4 20.Be2 (20.Qe5 Qg5 21.Be4 Qe5 22.Be5 Rad8=+) 20...Re8=+ 21.Qf4 (21.Bf3 Qa5=+) 21...Rc8 22.Be5 Rc5 23.Bd4 Rd5 24.Be3 (24.c3 Bf5 25.Bc4 Re1 26.Kf2 Re4–+ (< 26...Rb1 27.Rb1 Bb1 28.Bd5 Qd5 29.Qb8 Kh7 30.Qe5 Qe5 31.Be5–/+)) 24...Qa5 25.Qf2 Bf5 26.Bf1 Re3 27.Qe3 Rd1 28.Qe8 Kh7 29.Qe2 Qb6 30.Qf2 Qg6 31.Ra2 Rb1 32.a4 b6 33.h4 Be4 34.Ra3 Qc6 35.Rg3 f6 36.Qe2 Rc1 37.h5 Qc5 38.Qe3 Qe3 39.Re3 Bc2 40.Kf2 Ba4 41.Re6 c3 42.Bd3 Kg8 43.Rb6 c2 44.Rb8 Kf7 45.Rb7 Ke6 46.Rb6 Ke5 47.Ra6 Rf1! 48.Bf1 c1Q 49.Ra5 Kd6 50.Be2 Qf4 51.Kg1 Bc6 52.Ra6 Qe3 53.Kf1 Kd7 54.Bg4 Kc7 55.Rc6 Kc6 56.Bf3 Kc5 57.Bg4 Kb4 58.Be2 Kc3 59.Ke1 Kc2 60.Kf1 Kd2 61.g4 Qg3 62.Bd1 Ke3 63.g5 (63.Bf3 Qf2#) 63...Qf2# 0–1. Val_Vipp (2835) – harimau, ICC, 2000.

7.0–0 Nf6 8.d4 Ne4 9.de5 Bf8 10.Qd5 +/–.

7.d3 Nf6 8.0–0 0–0 9.Nbd2 (--> 7.d3 Nf6 8.Nbd2 0–0 9.0–0).

7.d3 Nf6 8.Nbd2 0–0 9.0–0 Re8 10.Bd5 b5 11.c4 Rb8 12.Qc2 Nd4 13.Nd4 ed4 14.c5 Bf4 (< 14...Nd5 15.cd6 Nc3 16.dc7 Qc7 17.Nb3=) 15.Bb3 d5 16.Bd4 de4 17.Bf6 Qf6 18.Ne4 Qg6 19.Ng3 Be5 20.Rac1 Be6 21.Rfe1 (21.Rce1 Bb3 22.Qb3 Rbd8=+) 21...Bg3–/+ 22.hg3 Bf5 23.Rcd1 Bd3! 24.Qc3 Bf5 25.Re5 Rbc8 26.Bd5 Re5 27.Qe5 c6 28.Bf3 Bg4 29.Be4 f5–/+ 30.Rd6 Re8 31.Qc3 Re6 32.Rd8 Kh7 33.Bc2 Qf7 34.Bb3=+ Qf6 35.Qd2 Re2 36.Bg8 Kg6=+ 37.Qa5 f4 38.Rd6 Be6 39.Qb4 Kh5 40.Be6 Re6 41.gf4 Kg6 42.Rd7 Kh7 43.Ra7 Qf5 44.Qc3 Rg6 45.Ra6 Qf4 46.Qc2 Qg4 47.g3 Qc4 48.Qc4+= bc4 49.Ra4 Rg4 50.Kg2 h5 51.Kf3 Kg6 52.Rb4 Kf5 53.a4 h4 54.gh4 Rh4 55.Ke2 g5 56.a5 c3 57.Rh4 gh4 58.a6 h3 59.a7 h2 60.a8Q h1Q 61.Qf8 Ke4 62.Qf6 Kd5 63.Qc3 Qe4 64.Kd1 Qa4 65.Ke2 Qe4 66.Kd1 Qa4 67.Kc1 Qh4 68.Qe3 Qb4 69.Qg5 Kc4 70.f4 Qc5 71.Qc5 Kc5 72.f5 Kd5 73.f6 Ke6 74.Kd2 Kf6 75.Kc2 Ke5 76.Kc3 Kd5 77.Kd3 c5 78.Kc3 c4 79.Kb2 Kd4 80.Kc2 c3 81.Kc1 Kd5 82.Kb1 Kc5 83.Kc2 Kc4 84.Kc1 Kb3 85.Kb1 Ka3 86.Kc2 Kb4 87.Kc1 Kc4 88.Kc2 Kc5 89.Kc3 ½–½. Val_Vipp (2845) – harimau, ICC, 2000.

7.d3 Nf6 8.Nbd2 0–0 9.0–0 Re8 10.Bd5 b5 11.c4 Rb8 12.Qc2 Nd5 13.cd5 Na5 14.Be5 (14.d4 f6=+) 14...Re5–/+ 15.Qc3 Nc6 16.d4 Nd4 17.Qd4 Re8 18.e5 Bf8 19.Nb3 d6 20.Rfe1 de5 21.Re5 Re5 22.Ne5 Bb7 23.Nc6 Bc6 24.dc6 Qd4 25.Nd4 Rd8 26.Nf5 Rd3 (26...Ba3 27.Ne3 b4 28.Nc4–+) 27.a4 ba4 28.Kf1 a3 29.Ke2 Rc3 30.Ne3 a5 31.Ra2 Bb4 32.Nc2 Rb3 33.Ra1 Rb2 34.Kd3 a2 35.f4 Be7 36.g4? Bf6 37.Nd4 a4 38.g5 hg5 39.fg5 Bg5 40.Nc2 Bf6 41.Re1 Rc2! 42.Kc2 a1Q 43.Ra1 Ba1 44.Kb1 Be5 45.h4 f5 46.Kc1 a3 47.Kb1 f4 48.Ka2 f3 49.h5 f2 50.h6 f1Q 51.h7 Kh7 52.Kb3 Qd3 53.Kb4 a2 54.Ka5 a1Q 55.Kb4 Qaa3# 0–1. Val_Vipp (2820) – harimau, ICC, 2000.

5.e4 Nf6

6.Bb5 a6 7.Bc6 dc6 8.d3 Bg4 9.h3=+ Bf3 10.Qf3 0–0 11.0–0 Re8 12.Nd2 Bc5 13.Rfb1 Bd4 14.c3 Ba7 15.Nf1 b5 16.Ng3 Re6 17.Nf5 g6–/+ 18.Ng3 Ne8 19.Qe2 Rd6 20.Rd1 Qg5 21.Nf1 Nf6 22.a4 Nh5 23.d4 Nf4 24.Qf3=+ ed4 25.cd4= Ne6 26.d5 cd5 27.ed5+= Nf4 28.ab5+/– ab5 29.Ne3 Rdd8 30.Ng4 f5 31.Nf6 Kf7 32.Be5 Nh5 33.Nh5 Qh5 34.Qh5 gh5 35.Bc7 Rd7 36.d6 b4 37.Ra5 b3 38.Rf5 Kg6 39.Rb5 Rf8 40.Rd2 Rdf7 41.d7 Rf2 42.Rf2 Bf2 43.Kh2 Bh4 44.Rb3 Ra8 45.Rd3 Bd8 46.Bd8 Rd8 47.Kg3 Kg5 48.Rd5 Kf6 49.Kh4 Ke6 50.Rd3 Ke5 51.Kh5 Ke4 52.Rd1 Ke3 53.Kg5 Ke2 54.Rd6 Kf2 55.g4 Kg2 56.Rd3 Kf2 57.Kf6 Ke2 58.Ke7 Kd3 1–0. Fritz 5.32 (2220) – Doctor 3.0, 2002.

6.Bb5 Ne4 7.0–0 Ng5 8.Bc6 dc6 9.Ne5 0–0 10.Re1 Re8 11.d3 Bf5 12.Nd2 f6 13.Nef3 Bg4 14.h3 (14.Re8!? Qe8 15.h3–/+) 14...Re1–+ 15.Qe1 Bf3 16.Nf3 Nf3 17.gf3 Qd7 18.Qf1 Kf7 (18...Re8 19.Bd4–+) 19.Re1 Qf5 20.Qg2 Qb5 21.Ba1 (21.Bd4 Qa4 22.Qg4 Qc2 (< 22...Ba3 23.Qh5 Kf8 24.Bf6=) 23.Qe6 Kf8 24.Bf6 h6=) 21...Re8 22.Re8 Ke8 23.Qg7 Qb1 24.Kg2 Qa1 25.Qg8 Bf8 26.Qe6 Kd8 27.Qf7 Ba3 28.Qg8 Kd7 29.Qf7 Be7 30.f4 Qd1 31.f5 Qe2 32.Qh7 Qc2 33.h4 Qd3 34.h5 a5 35.h6 Qe4 36.Kf1 a4 37.Qg6 a3 38.h7 a2 39.h8Q a1Q# 0–1. SupremeDalek – crafty, ICC, 1998.

6.Bb5 Ne4 7.0–0 Ng5 8.Bc6 dc6 9.Ne5 0–0 10.Re1 Re8 11.h4 Ne6 12.Qh5 Re7 13.Re4 c5 14.Nc3 f5! 15.Qf5 Nd4 16.Qf4 b5 17.Rae1 Bb7 18.R4e3 a6 19.R1e2 Nc2 20.Rg3 Nd4 21.Ree3 Qc8 22.Qg5 Nf5 23.Ng4 Ne3 24.Re3 Re3 25.de3 Qd8 26.Nh6 Kf8 27.Qf5 Qf6 28.Qf6 gf6 29.Kf1 b4 30.Nb1 Kg7 31.Nf5 Kg6 32.Nd6 cd6 33.f3 a5 34.Ke2 c4 35.Kd2 Rg8 36.Ke2 f5 37.ab4 ab4 38.Bd4 Kh5 39.Kf2 Rc8 40.Nd2 0–1. Fritz 5.32 (2220) – Fritz 6, 2002.

6.Bb5 Ne4 7.Bc6 bc6–+ 8.Be5?? Be5 9.Ne5 Qf6 10.Nf3 Qa1 11.0–0 0–0 12.Re1 Rb8 13.Re4 Rb1 14.Qb1 Qb1 15.Re1 Qc2 16.Nd4 Qd2 17.Nf5 Qe1# 0–1. mduerr (1700) – pierred (2750), net–chess.com, 2009.

6.Bb5 Ne4 7.Qe2 Ng5 8.Ne5 0–0 –/+.

6.Bb5 Qe7 7.Nc3 Bc5 –/+.

6.Bb5 Qe7 7.d3 a6 8.Bc6 dc6 9.Nbd2 Bg4 10.h3 Bh5 11.0–0 0–0 12.Nc4 Nd7 13.d4 Rfe8 14.g4 Bg6 15.de5 Bc5 16.Qe2 h5 17.Rad1 hg4 18.hg4 Red8 19.Rfe1 a5 20.Bc3 a4 21.Bd2 b5 22.Na5 Ne5 23.Ne5 Qe5 24.Nb7 Qg3 25.Kf1 Qh3 26.Kg1 Qa3 27.Nd8–/+ Qg3 28.Kf1 Qh3 29.Kg1 Rd8 30.Bf4 Re8 31.Rd3 Qh7 32.Bc7 Be4 33.Bh2 Qh4 34.Rd2 Bb4 35.Rdd1 Be1 36.Re1 Re6 37.Qe4 Re4 38.Re4 Qg5 39.Kf1 Qc1 40.Re1 0–1. Fritz 5.32 (2220) – Comet B25, 2002.

6.d3 0–0 7.Nbd2 Re8 8.Be2 Bc5 9.c4 d6 10.0–0 Be6 11.Rb1 Bb6 12.Ng5 Bd7 13.Kh1 h6 14.Ngf3 a5 15.Qb3 a4 16.Qa2 Re6 17.Bc3 Ng4 18.Kg1 Rg6 19.Qa1 Ra7 20.Rb5 Ne7 21.Rbb1 Nf6 22.Nh4 Rg5 23.Nhf3 Rh5 24.Ne5 Re5–/+ 25.Be5 de5 26.Qe5 Nc6 27.Qc3 Bd4 28.Qc1 Qe7 29.Kh1 Bc5 30.Ra1 Qf8 31.f4 Ng4 32.Bg4 Bg4 33.Nf3 Bf3 34.gf3 Qd6 35.Rd1 Nd4 36.Ra2 Nf3 37.f5 Ra6 38.Qb2 Rb6 39.Qe2 Ne5 40.f6 g6 41.Rad2 Bd4 42.Ra2 Rb3 43.Qf1 Ng4 44.Rg2 Ne3 45.Qg1 Nd1 46.Rg6 fg6 47.Qg6 Kf8 48.Qg7 Ke8 49.f7 Kd7 50.Qg8 Nf2 51.Kg2 Qe7 52.f8Q=+ Qf8 53.Qf8 Rd3 54.Qf7 Kd6 55.Qd5 Ke7 56.Qb7 Ke6 57.Qd5 Kf6 58.Qf5 Ke7 59.e5+= h5? 60.e6+– Bf6 61.Kf2 Rd2 62.Kf3 c6 63.h4 Rd4 64.Qh5 Ke6 65.Qe8 Kd6 66.h5 Be5 67.Qb8 Ke6 68.Qa8 Kf5 69.Qc8 Kg5 70.Qg8 Kf6 71.Qg6 Ke7 72.Qc6 Rf4 73.Ke2 Rh4 74.h6 Rh2 75.Kf3 Rh4 1–0. Doctor 3.0 (2220) – Comet B25, 2002.

6.d3 0–0 7.Nbd2 Re8 8.Be2 Bc5 9.Nc4 d6 10.d4? ed4–+ 11.Bd3 d5 12.Ncd2 de4 13.Ne4 Ne4 14.0–0 Bg4 15.h3 Bf3 16.gf3 Qg5 17.Kh2 Bd6 18.Kh1 Qf4 (19.fe4 Qh2) 0–1. coolerdude – marekt, ChessWorld.net, 2004.

6.d3 Qe7 7.Nbd2 Bc5 8.Be2 d6 9.0–0 0–0 10.Nb3 Bb6 11.c4 Be6 12.Ng5 Nd4 13.Nd4 Bd4 14.Bd4 ed4 15.Rb1 b6 16.f4=+ Bd7 17.Qd2 h6 18.Nf3 c5 19.Rb2 Ng4 20.f5 Ne3 21.Rfb1 g6 22.fg6 fg6 23.Kh1 Rf6 24.Qe1 Raf8 25.Qg3 Ba4 26.Qh3 g5 27.Qg3 Rf4 28.Qf2 Qg7 29.Qg3 Rg4 30.Qd6 Rg2 31.Ng1 Rff2 32.Qe6 Kh7 33.Qh3 Qc7 34.e5 Bc6 35.Bf3 0–1. Doctor 3.0 (2220) – Fritz 5.32, 2002.

6.Bc4 Ne4

7.0–0 0–0 8.Qe2 Ng5 9.Ng5 Qg5–+ 10.Nc3 Nd4 11.Qd3–/+ b5! 12.Bd5 c6 13.Ne4 Qe7 14.Nd6 Qd6 15.Ba2 Bb7 16.f4 Qc5–/+ 17.Rf2 Qc2 18.Qc2 Nc2 19.Rb1 Nd4 20.fe5–/+ Ne6 21.Bc3 a6 22.d4 f5 23.Rbf1 g6 24.g4 fg4 25.Rf8 Rf8 26.Rf8 Kf8 27.Be6 de6 28.Kf2 Kf7 29.Kg3 h5 30.Kf4 Kg7 31.Kg5 Bc8 32.Bb4 Kf7 ½–½. Trokenheim,Marek (1800) – Vasquez,Fernando (1950), FICGS, 2008.

7.0–0 Qf6 A) 8.Qe1 Ng5 9.Ng5 Qg5 10.f4 Qe7 11.fe5–/+; B) 8.Qe2 Ng5 9.Ne5 Ne6 10.Be6 de6 11.d4–/+.

7.Qe2 Ng5 8.Ne5 Be5 9.Be5 0–0 10.0–0 Ne5 11.Qe5 Re8 12.Qd4 c6 13.f4 Ne4 14.d3 d5–+ 15.Bb3 Nd6 16.Nc3 Qe7 17.Kh1 Bg4 18.Qb4 Qf6 19.h3 Be2 20.Ne2 Re2 21.Kh2 Rae8 22.Qa4 Qg6 23.Rg1 R8e3 24.Kh1 Qg3 25.Rab1 Qh3!! 26.gh3 Rh3# 0–1. Doctor 3.0 (2220) – Fritz 6, 2002.

7.0–0 Ng5

8.Nc3 Nf3 9.Qf3 0–0 10.Qh5 Bc5–+ 11.Rfb1 d6 12.Ne4 d5 13.Nc5 dc4 14.Ne4 f5 15.Ng5 h6 16.Nf3 e4 17.Ne5 Ne5 18.Be5 Qd2 19.Qg6 Qd7 20.Rb4 Qe7 21.Qg3 c6 22.Rc4 Re8 23.Bd6 Qf7 24.Rd4 Be6 25.Rad1 Rad8 26.Be5 Rd4 27.Rd4 c5 28.Rd6 b5 29.Qe3 Rc8 30.Qg3–/+ g5 31.Bb2=+ f4 32.Qc3= Kf8 33.Qe5 Re8 34.Rc6 Rd8 35.h3 Rd1 36.Kh2 Ke7 37.Qc5+– Kd8 38.Bd4 e3 39.Qd6 Qd7 40.Qf8 Qe8 41.Bf6 Kd7 42.Rc7!! Kc7 43.Qe8 ef2 44.Be5 Kb6 45.Qe6 Kb7 46.Qf7 Ka6 47.Qg6 Kb7 1–0. Comet B25 (2220) – EXchess 3.11, 2002.

8.d4 Nf3 9.Qf3 0–0 10.d5 Nd4 11.Qd3 Qh4 –+.

8.Bd5 0–0 A) 9.Re1 Nf3 10.Qf3 Qh4 11.Be4 Rb8–/+; B) 9.Bc6 dc6 10.Ne5 f6 11.Nc4–/+ Bf4–/+.

8.Bd5 Nf3 9.Qf3 0–0 10.Re1 Qh4 11.Re4–/+ Qg5 –/+.

8.Re1 Nf3 9.Qf3–/+ 0–0 10.Bd5 Qh4 11.Re4–/+ Qg5 –/+.

8.Re1 Nf3 9.Qf3 0–0 10.Qh5 Be7–+ 11.Be5 Ne5 12.Re5 Bf6 13.Nc3 Be5 14.Qe5 d6 15.Qh5 c6 16.Re1 b5 17.Bd3 h6 18.Qe2 d5 19.Qe5 Bd7 20.Qd6 Re8 21.Re2 Rc8 22.Re3 Be6 23.Qd8 Rcd8 24.Ne2 d4 25.Rg3 Rd6 26.Kf1 c5 27.Nf4 Bd7 28.Be2 Re4 29.Nd3 c4 30.Nc5 Re8 31.d3 Bf5 32.dc4 bc4 33.Bc4 Rc8 34.Nb7 Rb6 35.Bd5 0–1. Comet B25 (2220) – Fritz 6, 2002.

6.Bd3 0–0

7.0–0 a6 8.Nc3 b6 9.Bc4 Bb7 10.Re1 b5 11.Bb3 Bc5 12.Ne5 Ne5 13.d4 Nfg4 14.Re2 Qg5–+ 15.dc5 Nf3 16.Kh1 Qe5 17.g3 Nd4 18.c6 Bc6 19.Rd2 Be4 20.Ne4 Qe4 21.f3 Nf3 22.Re2 Ne3 23.Qd3 Qd3 24.cd3 Rae8 25.Rc1 c6 26.Rc5 Ng4 27.Re8 Re8 28.Bf7 Kf7 29.Rf5 Kg6 30.Rf3 Re1 31.Kg2 0–1. EXchess 3.11 (2220) – Fritz 5.32, 2002.

7.Nc3 a6 8.0–0 b6 9.Re1 Bb7 10.Bc4 b5 11.Bb3 Bc5 12.Ne5 Ne5 13.d4 Nfg4 14.f3 Nh2! 15.Kh2 Qh4 16.Kg1 Ba7 17.Nd5 Bd5 18.Bd5 c6 19.Bb3 Rfe8 20.Qd2 d5 21.Qf2 Qf2 22.Kf2 Nc4 23.Bc4 dc4 24.Ke3=+ Rad8 25.Rad1 Kf8 26.g4 h6 27.f4 Rd7 28.Kf3 Red8 29.Ke3 a5 30.Rd2 b4 31.ab4 ab4 32.c3 Re8 33.Kf3=+ b3 34.Ra1= g6 35.Ra4 Re6 36.Ba3+/– Ke8 37.Rc4 Rb7 38.Rb4 Rb4 39.Bb4 h5 40.gh5 gh5 41.Rb2 h4 42.Rb3+– Rg6 43.Ra3 Rg3 44.Kf2 Bb6 45.Ra6 Bc7 46.e5 Kd7 47.Ra7 Kc8 48.Ra8 Kd7 49.Rf8 Rg7 50.Rh8 Rg4 51.Kf3 Rg3 52.Ke4 Bd8 53.Rh7 Ke8 54.f5 Rg4 55.Kd3 Bg5 56.Rh8 Kd7 57.Rf8 h3 58.Rf7 Kc8 59.Rh7?? Rh4= 60.Rh4 Bh4–+ 61.f6 Kd8?? 62.f7 Be7 63.Ba5 Kd7 64.e6= Kd6 65.Ke4 h2 66.Kf5 h1Q 67.Bb4 Kd5 68.Be7 Qe4 69.Kg5 Qe3 70.Kh5 Qh3 71.Kg5 Qg3 72.Kf5 Qf3 73.Kg5 ½–½. Fritz 6 (2220) – Fritz 5.32, 2002.

7.Nc3 Bc5 8.0–0 –/+.

7.0–0 Re8

8.Nc3 Bc5 9.Na4 Bf8 10.Nc3 d6 11.Nd5 Bg4 12.Rb1 Rb8 13.Ne3 Bh5 14.c3 d5–+ 15.ed5 e4 16.Be4 Ne4 17.dc6 Bf3 18.Qf3 Nd2 19.Qf5 Nf1 20.Nf1. Fritz 8 – NN, 2003.

8.c4 Bc5 –/+.

8.Re1 a6 –/+.

8.Ng5 Bc5 9.Bc4 Re7 10.Nc3 Bd4 11.Rb1 h6–+ 12.Nf7 Rf7 13.Bf7 Kf7 14.d3 Kg8 15.Na4 Bb2 16.Rb2 d5 17.ed5 Nd5 18.Re1 Qd6 19.Qa1 Nd4 20.Qa2 Be6 21.Qb1 Bh3! 22.gh3 Qg6 23.Kf1 Nf4 24.Qa2 Kh7 25.Re3 0–1. EXchess 3.11 (2220) – Fritz 6, 2002.

8.Ng5 h6 9.Nf3 Bc5 10.Nc3 a6 11.Bc4 d6 12.d3 Bg4 13.Na4 Ba7 14.Ba2 b5 15.Nc3 Nd4 16.Re1 Nf3 17.gf3 Bh3 18.Bc1 Bd4 19.Bd2 Nh5 20.Kh1 Bf2 21.Bd5 Rb8 22.Re2 Qh4 23.Bf7 Kf7 24.Qg1 Bg1 25.Kg1 0–1. EXchess 3.11 (2220) – Comet B25, 2002.

8.Ng5 h6 9.Nf3 Bc5 10.Nc3 d6 11.Na4 Bd4 12.c3 Bb6 13.Nb6 ab6 14.Bc2 d5 15.ed5 Qd5 16.Bb3 Qd6 17.d3 Rd8 18.Bc4 Bf5–+ 19.Qb3 Bd3 20.Bf7 Kh8 21.Rfd1 e4 22.Nh4? Ng4 23.g3 Qc5 24.Rf1 Bf1 25.Ng6 Kh7 26.Rf1 Rd2 27.Qc4 0–1. EXchess 3.11 (2220) – Doctor 3.0, 2002.

4.Nf3 f6

5.e4 Nc6 6.Nc3 a6 7.Bc4 b5 8.Bd5 Nge7 9.d4 ed4 10.Nd4 Nd5 11.Nd5 Nd4 12.Bd4 0–0 13.c3 Qe8 14.f3 Bb7 15.Qb3 Qe6 16.c4 f5 17.cb5? fe4 18.fe4 ab5 0–1. Gall,Zdenek (2490) – Plock,Joerg, corr 3GMM½–10, 1998.

5.e4 g6 6.Bc4 Qe7 7.0–0 b6 8.Nc3 c6 9.Re1 Ba6 10.Ba6 Na6 11.Qe2 Nc5 12.Qd1 Nh6 13.d3 0–0–0 14.Rb1 f5 15.ef5 Nf5 16.Ne4 Ne4 17.Re4 c5 18.Ne5 Be5 19.Re5 Qf7 20.Qf3 Rhf8 21.Qa8 Kc7 22.Qa7 Kc8 23.Rc5!! bc5 24.Be5! d6 25.Rb8# 1–0. themonkey – DamageInc, GameColony.com, 2002.

4.f4 ef4

5.Nf3 Nf6 6.Ra2 –+.

5.Nf3 Nf6 6.Bd4 –+.

5.Bg7 Qh4 6.g3 fg3 7.Bg2 gh2 8.Kf1 Bc5 9.d4 hg1Q 10.Kg1 Qg5 11.Bh8 Qe3 12.Kf1 Be7 13.Qd2 Qe6 14.Qf4 d5 15.Rh7 c6 16.Nd2 Qf5 17.Qf5 Bf5 18.Rg7 Nf6 19.c4 Nbd7 20.cd5 cd5 21.Rg5 Be6 22.Rg3 Rc8 23.e4 Rc2 24.Ke1 de4 25.Kd1 Rc7 26.Ne4 Ne4 27.Be4 Nf6 28.Bg2 b5 29.Rb1 a6 30.Kd2 Bd6 31.Re3 Ng4 32.Re2 Kd7 33.d5 Bf5 34.Rf1 Bg6 35.Be4 Rc5 36.Bg6 fg6+– 37.Rf7 Kd8 38.Re6 Rd5 39.Ke2 Ba3 40.Ra6 Ke8 41.Rh7 Bb4 42.Kf3 Rd6 43.Ra8 Rd8 44.Rd8 Kd8 45.Kg4 Be7 46.Bd4 b4 47.Kf4 Bd6 48.Ke4 Be7 49.Bb6 Ke8 50.Ke5 Kf8 51.Ke6 Bf6 52.Kf6 Kg8 53.Rg7 Kf8 54.Rf7 Ke8 55.Rh7 g5 56.Ke6 Kf8 57.Bd4 g4 58.Rh8# 1–0. bambinik – Billy The Kid!, internet, 2002.

5.Bg7 Qh4 6.g3 fg3 7.Bg2 gh2 8.Kf1 hg1Q 9.Kg1 Qg4 10.Bh8 Nc6 11.Rh7 Bc5 12.Kh1 Nge7 13.Bf6+= d6 14.Bf3 Qg6= 15.Rh8 Ng8 16.Nc3 Qf6?? 17.Rg8+– Ke7 18.Nd5 (18...Ke6 19.Nf6 Kf6 20.Bg4+–) 1–0. Coulombe – Perron, Canada, 1989.

5.Bg7 Qh4 6.g3 fg3 7.Bg2 gh2 8.Kf1 hg1Q 9.Kg1 Qg5?? 10.Bh8=+ h6 11.Nc3 Ba3=+ 12.Ne4 Qe7 13.Rh3 Bd6 14.e3 Be5=+ 15.Be5 Qe5 16.d4 Qf5 17.c4 d6 18.Qa4 Nd7 19.Rg3+= Kf8 20.Rf1 Qe6 21.Qa5 b6 22.Qh5 Bb7 23.d5 Qe8 24.Bh3 Qe7 25.Bd7 Qd7 26.Rg8! Kg8 27.Nf6 (27...Kf8 28.Nd7 Kg8 29.Rf7 Kh8 30.Qh6 Kg8 31.Qg7#) 1–0. Hurd,D (1800) – Pensimus,P (1725), OCC–2002–04, 2002.

3.a3?? Be7

4.e4 Nf6 5.Be5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.a3 Be7 5.e4).

4.Be5 Bf6

5.Bc3 d5 6.d4 Be7 7.e3 Nf6 8.Bd3 0–0 9.Nd2 b6 10.Bb2 Ba6 11.Ngf3 Bd3 12.cd3 Qc8 13.0–0 Qa6 14.Ne5 Nfd7 15.Ndf3 Rd8 16.e4 Qb7 17.Re1 Ne5 18.Ne5 Nd7 19.Ng4 Nf6 20.Ne3 de4=+ 21.Nf5 Bf8 22.de4 Ne4=+ 23.Qg4 Nd6 24.Ng7 Bg7 25.d5 Nf5 26.Re5 Rd6 27.Rb1 Rg6 28.Qf5 Qc8 29.Qc8 Rc8 30.Rh5 Rd8 31.Kf1 c6 32.dc6 Rc6 33.Rg5 f6 34.Rg4 Kf7 35.Rh4 Rd2 36.g3 h6 37.Rd4= Rcc2 38.Rd2 Rd2 39.Ke1 Rc2 40.Bd4 Bf8 41.Rb3 Bd6 42.Rd3 Bf8 43.Rb3 Bd6 44.Rd3 Bf8 45.Rb3 Bd6 46.Rd3 ½–½. pierre – samigodel, internet, 2006.

5.Nf3 d5 6.e3 =.

5.Nf3 d6 6.Bc3 c5 7.e4 Nc6 8.Bb5 Bd7 9.0–0 a6 10.Be2 b5= 11.Bf6 Nf6=+ 12.Nc3 0–0 13.Re1 Re8 14.d4 Ne4 15.Ne4= Re4 16.dc5 dc5 17.Qd5 Qe7?? 18.Bb5+/– Re8 19.Ba6+– Re6 20.Re6 fe6 21.Qe4 Qf6 22.Rd1 Nb8 23.Bd3 g6 24.Ne5 Rf8 25.Bc4 Qf2+/– 26.Kh1 Ba4 27.Nf3 Bd7 28.Rf1 Rf3 29.gf3 Qd2 30.Qe5 (30...Kf7 31.Qb8 Qc2 32.Qf4 Qf5 33.Qc7+–) 1–0. Whiterose – WoodPusher83, ChessWorld.net, 2007.

5.Bf6 Qf6 6.Nc3 Ne7 7.Ne4 Qe5 8.c3?? Qe4–+ 9.d3 Qc6 10.Qc2 0–0 11.Nf3 d6 12.e4 Bg4 13.Be2 Nd7?? 14.Nd4= Qc5 15.Bg4 Ne5 16.Nf5 Nf5 17.ef5?? Ng4–+ 18.0–0 Qf5 19.f3 Ne3 20.Qd2 Nf1 21.Rf1 Rfe8 22.g4 Qc5 23.d4 Qa3 0–1. Pieleck,Rudi – Staats,Carsten, RSS7E–5 remoteschach.de, 2002.

4.Be5 Nf6

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.a3 Be7).

5.Nf3 0–0 6.e3 d5 7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.a3 Be7 7.Nf3).

3.a3?? Bf8

4.Be5= Nc6 5.Bb2 Nf6 6.e3 Be7 7.Nf3 d5 8.Nc3 0–0 9.Be2 a6 10.0–0 Re8 11.Re1 Bd6 12.h3 Bf5 13.d4 Qe7 14.Qc1 h6 15.Rb1=+ Rad8 16.Bd3 Be4 17.Be4 de4–/+ 18.Nd2 Na5 19.Na4 Qd7 20.Nc3 Qf5 21.Rf1 c5 22.Ne2 cd4 23.Bd4 Rd7 24.f3= ef3 25.Rf3+= Qg5 26.Qf1 Bc7 27.Rf5 Qg6 28.Qf3 ½–½. Gall,Zdenek – Jacewicz,Grzegorz, corr 3GMM–27, 1996.

4.Be5 d6 5.Bg3 Nc6 6.e3 Qf6 7.Nc3 Be7?? 8.Nge2 Qe6 9.Nf4 Qf5 10.Bd3 Qd7 11.0–0 Nf6 12.Rb1 0–0 13.Nh5 Nh5 14.Qh5 h6 15.Bf4 Qe6 16.Bf5?? Qf5–+ 17.Qe2? Qc2 18.Nd5?? Bd8–+ 19.Rfc1 Qg6 20.h4 Bh3 21.f3 Bf5 22.Rb7 Bd3 23.Qf2 Na5 24.Nc7 Nb7 25.Na8 Bh4 26.Qh4 Ra8 27.Rc7 Nc5 28.Qe7 Ne6 29.Bd6 Nc7 30.Qc7 Be2 31.Qb8 Rb8 32.Bb8 Bf3 (33.g4 Qg4 34.Bg3 Qg3 35.Kf1 Qg2 36.Ke1 Qe2#) 0–1. TheWishingTree – clarkbar, Caissa's Web Live Game, 2004.

3.Ba3?? Ba3

4.Na3 d5 5.Rb1 Nf6 6.c3 0–0 7.d3 c5 8.e3 Nc6 9.Qa4 a6 10.Qc2 Re8 11.Rb3 b5 12.Nf3 Bg4 13.Ke2?? e4 14.de4 de4 15.h3 Bh5 16.Nb5 ab5 17.Rb5 ef3 18.Ke1 Qd5 19.Qe2 Ra2 20.Qd1 Qd1 21.Kd1–+ fg2 22.Ke1 Ra1 23.Kd2–+ gh1Q 24.Rc5 Qf1 25.Rc6 Qd1 0–1. bad ass biker (1735) – hertford (2180), ChessWorld.net, 2003.

4.Na3 d5 5.Nf3 Nc6 6.e3 e4 7.Nd4 Nd4 8.ed4 c6 9.c3 Nf6 10.Be2 0–0 11.0–0 Be6 12.Rb1 Qe7 13.Qb3 Rab8 14.c4 dc4–+ 15.Bc4 Bc4 16.Nc4 Rfd8 17.Qc3 Nd5 18.Qg3 h6 19.Ne5 Nf6?? 20.d3?? Rd4?? 21.de4?? Ne4?? 22.Nc6= bc6 23.Rb8+/– Rd8 24.Rd8+– (24…Qd8 25.Qe3+–) 1–0. mwojo (1745) – minn (2000), net–chess.com, 2004.

3.c3?? Ba5

4.Na3 d5 5.Nf3 e4 –/+.

4.Qa4 b6 5.Nf3=+ Nc6 6.Ne5= Ne5 7.Qe4 d6 8.Qa8+– Nf6 9.d4 Nc4?? 10.Qc6 Bd7 11.Qc4 1–0. ygfr – jnir, internet, 2009.

4.Qa4 Nc6 5.Nf3 d6 6.d4 ed4 7.Nd4 –/+.

4.Qb3 d5 5.Nf3 e4 6.Nd4 Nf6–+ 7.e3 Nbd7 8.Bb5 c5–+ 9.Nf5 0–0 10.0–0 c4 11.Qa4? Nc5 12.Qd1 Bf5 13.Ba3 Qb6 14.Bc5 Qc5 15.Qa4 Qb6 16.Na3 a6 17.Rab1 ab5 18.Rb5 Qc6 19.Qc2 Bc7 20.Qb2 Ra3! 21.Rb7 Rfa8 22.Qb5 Qd6 23.Ra1 Qh2 24.Kf1 Qh1 25.Ke2 Bg4 26.f3 ef3 (27.gf3 Qf3 28.Ke1 Qe2#) 0–1. Kobayashi,Masayuki – Hasidume,Shuji, Email Open, 2003.

4.Qb3 Nf6 5.Qa4 c6 6.Nf3 –+.

4.d4 ed4 5.Qd4 Qf6 6.Qa4 Nc6 7.e4 Bb6 8.Nf3 d6 9.Nbd2 Bd7 10.Qc2 Nge7 11.Bd3 Ng6 12.0–0 Nf4 13.Nc4 Qg6 14.Ne3 Bh3 15.Nh4 Qg5 16.Nf3–/+ Qg6 17.Nh4–+ Qh5 18.Nhf5 Bf5 19.Nf5–/+ Qg5 20.g3 g6 21.Bc1= Nh3 22.Kg2 Qh5?? 23.Ng7+– Kd7 24.Nh5 gh5 25.Kh3 Rae8 26.Be2 Kc8 27.Bh5 Re7 28.Bg5 Re5 29.Bg4 Kb8 30.Bf6 h5 31.Bh8 hg4 32.Kg4 Re8 33.Bf6 Rg8 34.Kf3 Rg6 35.Bh4 Ba5 36.Kg2 Bb6 37.Rab1 a6 38.f4 Ka7 39.Qb3 Rg7 40.Bf6 Rh7 41.Qd5 Kb8 42.Qg5 Ka7 43.Qg8 Rh6 44.Rb6! Kb6 45.Rb1 Ka7 46.Qf7 Na5 47.Qc7 Rf6 48.Qb6 Ka8 49.Qd8 Ka7 50.Qf6 (50...b5 51.Qd6+–) 1–0. Fritz 10 – NN, 2007.

4.e3 Nc6 5.f4? ef4–+ 6.ef4 Nf6 7.Nf3 0–0 8.d4 Re8 9.Be2 Qe7 10.0–0 Qe2 (11.Qe2 Re2–+) 0–1. segovia (1840) – pierred (2750), net–chess.com, 2009.

4.Nf3 Nc6 –/+.

4.Nf3 d6 5.d3 Nc6 6.e4 Nf6 7.Nbd2 Bg4 8.Nc4 d5 9.ed5 Qd5–/+ 10.h3 0–0–0?? 11.hg4= Ng4?? 12.Qe2 h6 13.Na5 Qa5 14.Rh4 f5 15.Rg4 fg4= 16.Nd2 Qb5? 17.Rb1 Rd3?? 18.Qe4 Rhd8 19.Bd3 Rd3?? 20.c4+– Qb4 21.Qd3 Qd6 22.Qh7 g5 23.Ne4 Qb4 24.Nd2 b6?? 25.Be5!+– Qe7 26.Qh8 Kb7 27.Rb5 Nd4 28.Rd5 Nc2 29.Kd1 Nb4 30.Bf6 (30...Qe6 31.Rd8+–) 1–0. segovia (1840) – jacksrking, net–chess.com, 2009.

4.g3 d5 5.Nf3 e4 6.Nd4 c5 7.Nb5 Bd7?? 8.c4 Bb5 9.cb5?? Nf6–/+ 10.e3 0–0–+ 11.Bh3 Qb6 12.a4 a6 13.Na3 d4 14.Nc4 Qc7 15.ed4 cd4 16.Rc1 Nbd7 17.Bd4= Qd8 18.0–0 ab5 19.ab5 Bb6 20.Bf6 Nf6= 21.g4 Re8 22.g5 Nd5–/+ 23.Qb3? Nf4–+ 24.Bg4 Ne2?? 25.Be2+– Qg5 26.Kh1 Bc7 27.Rg1 Qh4 28.f4?? Qf4 29.Rg3 Qf2 30.Bh5?? Bg3–/+ 31.hg3? g6 32.Bg4–/+ f5?? 33.Nd6+/– Kf8?? 34.Qf7# 1–0. pauldopson – minn (2000), net–chess.com, 2003.

4.e4 Nf6

5.d3 Nc6 6.Nf3 0–0 7.Be2 d5 8.Nbd2 Nh5 9.Nb3 Nf4 10.0–0 Bb6 11.g3 de4 12.de4 Qd1 13.Bd1 Nd3 14.Ba3 Bh3 15.Bf8 Bf1 16.Bg7? Bh3 17.Be5 Bf2 18.Kh1 Nce5 19.Ne5 Ne5 20.Nc5 Bc5 21.Bb3 Ng4 22.Re1 Nf2 (23.Kg1 Nd3 24.Re3 Be3 25.Kh1 Ne1 26.Bf7 Kf7 27.e5 Bg2#) 0–1. jacksrking – pierred (2750), net–chess.com, 2009.

5.d4 Ne4 0–1. alctay (1715) – pierred (2750), net–chess.com, 2009.

5.Qe2 Nc6 –+.

5.Nf3 0–0 6.Qa4 Bb6 7.d4 ed4 8.e5–/+ dc3 (9.Nc3 Ne8–/+) 0–1. Marshall – Fernandez, email CTON, 1996.

5.Nh3 0–0 6.Bc4 Ne4 7.d3 d5 8.de4 dc4 9.Qd8 Rd8 10.Nd2 Be6 11.0–0?? Rd2–+ 12.Rab1 h6 13.a4 Nd7 14.f4 Bh3 15.gh3 Bb6 16.Kh1 ef4 17.Rf4 Re8 18.Bc1 Rd3 19.Rg4 Rh3 20.Bd2 Ne5 21.Rg2 Nf3 22.Re2 Nd2 23.Rd2 Re4 24.a5 Ba5 25.Rb7 Bb6 26.Rb8 Kh7 27.Rbd8 Rc3 28.R8d7 Re1 29.Kg2 Rg1# 0–1. juancabeta – JonathanDee, internet, 2007.

5.Nh3 Ne4?! 6.Qa4 Nf2 7.Nf2 =.

3.c3?? Bc5

4.d4 ed4 5.cd4 Bb6 6.e3 Ba5 7.Bc3=+ Nc6 8.Bb5 Bc3 9.Nc3 a6 10.Ba4 b5–/+ 11.Bb3 Nf6 12.Nf3 0–0 13.Ng5 Bb7 14.Rg1 h6 15.Nge4 Ne4 16.Ne4 Nb4 17.Qd2 Nc6 18.d5 Ne5–/+ 19.f4 Qh4–+ 20.g3?? Nf3 21.Ke2 Nd2 22.Nd2 Qh2 23.Kf1 Qd2 24.Rb1 Qe3 25.f5 Qf3 26.Ke1 Rfe8 27.Kd2 Re2 28.Kc1 Qe3 29.Kd1 Qd2# 0–1. Meggy – chestnut_1, ChessWorld.net, 2009.

4.d4 ed4 5.cd4 Be7 6.e4 d5 7.e5 Bf5 8.Nf3 Nc6 9.Bb5 Qd7 10.Nh4?? Bh4–+ 11.g3 Bg5 12.h4 Be7 13.Nc3 Nh6 14.f3 0–0 15.g4 Bg6 16.h5 Ng4 17.hg6 Nh6 18.gh7 Kh7 19.Qd3 Kg8–/+ 20.0–0–0 Rae8 21.f4 Ng4?? 22.Qh7# 1–0. sfi – babylyub, ICS, 1998.

4.e3 e4–/+ 5.d4 ed3 6.Bd3 b6 7.Nf3 Nf6 8.0–0 0–0 9.Nbd2 Ba6 10.Ba6 Na6 11.Re1 c6 12.Nc4 d6 13.a4 Nc7 14.Qc2 d5 15.Nce5 Ne4 16.Nc6= Qd6 17.Ncd4 Bd4 18.cd4 Rac8?? 19.Qb3?? Ne6?? 20.Rac1?? N6g5? 21.Ng5+– Ng5 22.f4 Ne4 23.Rc8?? Rc8–/+ 24.g4? Nd2 25.Qa2?? Nf3 26.Kf2 Ne1 27.Ke1 Qb4 28.Ke2 Rc2 29.Kf3 Rb2 30.Qd5–+ h6 31.Qa8 Qf8 32.Qa7 Qe8 33.h4 Qc6 34.e4 Qc3# 0–1. segovia (1840) – jboger (1985), net–chess.com, 2009.

3.c3?? Be7

4.d4 e4 5.Ba3 –/+.

4.e3 Nf6 5.c4 Nc6 6.Nc3 d5 (6...h6 7.Nd5–/+) 7.cd5 Nd5 8.Nf3 0–0 9.Nd5 Qd5 10.Qb3 Qd6 11.Rc1 Rb8 (11...Be6 12.Qa4–/+) 12.Qc3 (12.Bb5 Be6 13.Qa4 Bd5–/+) 12...f6 (12...Rd8 13.Bb5–/+) 13.Bc4 Be6 (13...Kh8 14.0–0–/+) 14.d4 ed4 15.Nd4 Nd4 16.Qd4 Qb4 17.Ke2 Bc4 18.Qc4 Qc4 19.Rc4 c6 20.Bd4 Rfd8 (better is 20...Rbd8!?–/+) 21.Rb1= a6 (21...b6 22.Rc6 Rbc8 23.Rbc1 Rc6 24.Rc6=) 22.Ba7+= Rbc8 (22...b5!? 23.Rc6 Rbc8+=) 23.Rb7+/– Rd5?? (better is 23...Bd6+/–) 24.Re7+– Rc7 (24...Kf8 25.Re6 Rh5+–) 25.Rc7 Rd2 26.Kd2 1–0. marektheim – skopa, internet, 2015.

4.Nf3 e4 5.Nd4 d5 6.e3 Nf6 7.d3 c5 8.Qa4? Bd7 9.Nb5 ed3 10.Bd3 a6 11.Qh4 Qb6 12.c4 ab5 13.0–0 bc4 14.Bf6 Bf6 15.Qg3 cd3 16.Nd2 Ba1 17.Ra1 Qb2 18.Rd1 0–0 19.Nf1 Ra2 20.Rd3 Qb1 21.Rd5 Ra1 22.f4 Qf1# 0–1. jordan2delta – pierre (2000), internet, 2006.

4.g4 d5. pepitos (1610) – abosnjakovic (2375), net–chess.com, 2009.

4.d4 ed4

5.cd4 d5 6.Nc3 Nf6 7.Nf3 0–0 8.e3 Nc6 (8...Nbd7 9.Bd3–/+) 9.Bd3 Nb4 10.0–0 Nd3 11.Qc2?? (better is 11.Qd3 Re8 12.a4–/+) 11...Nb2–+ 12.Qb2 c6 13.Rab1 Bd6 14.g3 (14.Qc2 Re8–+) 14...Re8 15.Rfe1 Qd7 16.e4 Ne4 17.Ne4 de4 18.Nd2 f5 19.Nc4 Bf8 20.Ne5 Qd5 21.Red1 c5 22.dc5 Qe5 23.Qe5 Re5 24.Rbc1 Bc5 25.Rd8 Kf7 26.Rcd1 e3 27.fe3 Re3 28.R1d5 Bb6 29.R8d6 Rg3 30.Kf1 Rg1 31.Ke2 Rg2 32.Kf3 Rf2 33.Kg3 f4 34.Kh4 h6 35.Kh5 Rh2# 0–1. C_Artist_Think – pierre, ChessHere.com, 2006.

5.cd4 d5 6.e3 Nf6 7.f4 (better is 7.Ba3!?–/+) 7...0–0–+ 8.Bd3 (8.Nf3 Re8 9.Qb3 Bd6–+) 8...Bb4 (8...Re8 9.Bc3–+) 9.Bc3 Nc6 (9...Bc3 10.Nc3 Re8 11.Qd2–+) 10.a3 Bc3 11.Nc3 Qe7 12.Qe2 Re8 13.0–0–0? Bg4 14.Nf3 Qa3 15.Kc2 Nb4 16.Kd2 Qb2 17.Ke1 Qc3 18.Kf2 Ne4 19.Kg1 Qa3 20.h3 Bf3 21.gf3 Nc3 22.Qd2 Nd1 23.Qd1 Qd3 24.Qa4 Re3 25.Qb4 Re2 26.Qb1 Qb1# 0–1. Meggy – Whiterose, ChessWorld.net, 2009.

5.cd4 Nf6 6.Nc3 d5 7.e3 0–0 8.Bd3 c5 (8...Nc6 9.Nf3–/+) 9.dc5 Bc5 10.e4? (better is 10.Nf3–/+) 10...de4–+ 11.Be4 Ne4 (11...Bf2 12.Kf2 Qb6 13.Kg3 Qb2 14.Nge2–+) 12.Qd8 (12.Ne4 Bb4 13.Bc3 Qe7–+) 12...Rd8 13.Ne4 Re8 14.f3?? f5–+ 15.0–0–0 fe4 16.fe4 Nc6 17.Re1 Be6 18.Nf3 Ba2 19.e5 Rac8 20.Re2 Nb4 21.Ne1 Be3 22.Kd1 Red8 (23.Nd3 Bb3 24.Rc2 Rc2 25.Ke1 Nd3 26.Kf1 Rf8#) 0–1. juancabeta – goco (1765), internet, 2007.

4.e4 Nf6

5.d3 d5

6.ed5 Qd5 7.Nf3 –+.

6.ed5 Nd5 7.Nf3 Nc6 (7...f6 8.d4 e4 9.Nfd2–/+) 8.c4 Ndb4 (8...Nb6 9.Ne5 Ne5 10.Be5 0–0–/+) 9.Be2? (better is 9.a3!? Na6 10.Ne5 Ne5 11.Be5=+) 9...Bf5 10.0–0 Nd3 11.Bd3 Bd3 12.Re1 f6 13.Qb3 b6 (13...Qd7!? 14.Ba3 0–0–0 15.Be7 Qe7 16.Nbd2–+) 14.Rd1 Nb4?? (better is 14...e4 15.Nbd2 Be2 (15...ef3?! 16.Nf3 Na5 17.Qc3=+) 16.Ne4 Bd1 17.Rd1 Qc8–+) 15.a3= Bc4 16.Rd8 Rd8 17.Qc3?? (better is 17.Qc4 Rd1 18.Qf1 Rf1 19.Kf1=+) 17...Rd1–+ 18.Ne1 Nd5 19.Qc4 Re1 20.Qf1 Rf1 21.Kf1 c6 22.Nc3 Kf7 23.Nd5 cd5 24.f3 Rd8 25.Ke2 0–1. Neffgen,Dieter – Jungkind,Roland, RSS4E–28 remoteschach.de, 2003.

6.Nd2 0–0

7.Ngf3 Nc6 8.ed5 Nd5 9.c4 Ndb4 10.Be2 –+.

7.Ngf3 Nc6 8.ed5 Nd5 9.c4 Ndb4 10.Ne5 Nd4 11.Rc1 Na2 12.Rb1 –+.

7.Ngf3 Nc6 8.ed5 Nd5 9.c4 Nf6 10.Be2 Bg4 11.0–0 Bc5 12.Ne5=+ Be2 13.Qe2 Re8 14.Nc6 Re2 15.Nd8 Rd2 16.Bf6 gf6= 17.Nb7 Bd4 18.Rab1 Rd3 19.Na5 Ra3 20.Nc6 Ra2?? 21.Nd4+– Ra4 22.Rfc1 Rd8 23.Nc6 Rd2 24.Rb7 Raa2? 25.Ne7 Kg7 26.Rf1 c5 27.Nf5 Kg6 28.Ng3 Rdc2 29.Ne4 Rc4+/– 30.Nd6 Rcc2 31.Rf7?? c4?? 32.Rc7+– c3 33.Ne4 f5 34.Nc3 Rab2 35.Na4 Rc7 36.Nb2 a5 (37.Ra1 Kf6+–). ureo – akadawn, ChessWorld.net, 2005.

7.Ngf3 Nc6 8.ed5 Nd5 9.c4 Nf6 10.Be2 Bg4 11.0–0 Bf3 12.Bf3 Bc5 13.Bc6= bc6 14.Be5 Re8 15.Re1 Bd4 16.Bd4= Qd4 17.Re8 Re8 18.Nf3 Qc5 19.Qd2 Ng4 20.h3 Nf6 21.Rb1 Qa3 22.Rb3 Qd6 23.Qb2 Nd7 24.d4 f6 25.c5+/– Qf8 26.Rb7 Rb8 27.Rb8 Qb8+/– 28.Qb8 Nb8 29.Kf1 Kf7 30.Ke2 (30...Nd7 31.a3+/–) 1–0. akadawn – ureo, ChessWorld.net, 2005.

7.Ngf3 Nc6 8.ed5 Nd5 9.c4 Nf6 10.Ne5 Ne5 11.Be5 –/+.

3.Bc3?? Bc3

4.Nc3 Nc6 5.e4 Nf6 6.Bc4 Ne4 7.Ne4 d5 8.Bd5 Qd5–+ 9.f3 0–0 10.Ne2 Bf5 11.d3 Rad8 12.N2g3 Be4 13.fe4 Qa5 14.c3?? Qc3–+ 15.Kf2 Rd3 16.Rb1 Rd1 17.Rbd1 Nb4 18.Nf5 Re8 19.Nd4 ed4 20.Rhe1 Nd3 21.Kf3 Ne1 22.Kf4 Ng2 23.Kf5 Qf3 (24.Kg5 Re5) 0–1. joeuno – basbos, internet, 2005.

4.Nc3 Nf6 5.e4 0–0 6.Nf3 Nc6 7.Bc4 Ne4 8.Bf7? Rf7–+ 9.Ne4 d5 10.Ng3 e4 11.Ng1 Qf6 12.Nh3 Bh3 13.0–0 Ne5 14.Qh5 Bg4 (15.Qf7 Qf7–+) 0–1. Kitvis – Gordon, internet, 2005.

4.Nc3 Qg5 5.Rb1 b6 6.g3 Nf6 7.h4 Qh5–/+ 8.Nf3 Ba6 9.e4 Nc6?? 10.Ba6+– Ng4? 11.Nd5 Kd8 12.Ng5 Rf8 13.Qf3 f6? 14.Qa3 Rf7 15.f3 fg5+/– 16.hg5?? Qh1–+ 17.Bf1 Rf3 18.Qf8 Rf8 19.Rb5 Rf1 20.Ke2 Qf3 0–1. mlingard – amiller, net–chess.com, 2002.

3.c4?? Nc6

4.a3 Bc5 5.e3 Qe7 6.Qg4 Nf6 7.Qg7 Rg8 8.Qh6 d6 9.Bd3? (9.Nf3!?–/+) 9...Be6 10.g3 0–0–0 (10...Na5 A) 11.Bh7?? Rh8–+ (11...Nh7 12.Qh7 0–0–0 13.Nc3–/+); B) 11.Nc3 Nc4 12.Rb1–+) 11.Be2 Kb8 12.Qh4 Rg6 13.d4 ed4 14.ed4 Bd4?? (better is 14...Rg4 15.Bg4 Bg4 16.Kf1 Bd4 (worse is 16...Nd4 17.Nd2 Re8 18.h3+/–) 17.Bd4 Nd4–/+) 15.Bd4+/– Bc4?? (better is 15...Nd4 16.Qd4 Re8+/–) 16.Bf6+– (16.Bf6 Qf6 17.Qf6 Rf6 18.Bc4 Re8 19.Kf1+–) 1–0. Bella,Zsolt – Nagy,Peter2, FSFMC November, 2011. (=1.c4 e5 2.b4 Bb4 3.Bb2 Nc6)

4.Qb3 Nf6 5.Nf3 d6 6.Nc3 0–0 7.a3 Bc3 8.Qc3 e4 9.Ng5 d5 10.e3 (10.cd5 Qd5 11.Qe3 Ne5–/+) 10...h6–+ 11.cd5 Qd5 (11...hg5 12.dc6 Rb8 13.Qa5 bc6 14.Bd4+/–) 12.Nh3 Bh3 13.gh3 Rad8 14.Rg1 Ne5 15.Be2 Rfe8 16.Rg3 Re6 17.Qc7 Qd2 18.Kf1 Rd7 (18...Qb2?! 19.Qd8 Kh7 20.Qd4 Qd4 21.ed4=) 19.Qc1 Qd5 20.Bd4 a6 21.Qb2 Kh7 22.Rc1 Nd3 23.Rc8?? (better is 23.Bd3 ed3 24.Qd2 Qh1 25.Rg1 Qh2 26.Qd3 g6 27.Rc8–+) 23…Nb2 (23...Nb2 24.Bb2 Qb3–+) 0–1. Nowakowski,Jozef – Dziel,Jaromir, corr 1AMM Poland, 1991.

4.Nc3 Bc3 5.Bc3 Nf6 6.Nf3 Qe7 7.e3 b6 8.Be2 Bb7 9.0–0 0–0 10.d4 ed4 11.ed4 d5 12.Re1 Qa3 13.Qc2 Qd6 14.Ne5 dc4 15.Bf3 b5 16.Rab1 a6 (better is 16...Rfe8!?+=) 17.Nc6+= Bc6 18.Bb4 Qd7 19.Re7 Bf3 20.Rd7 Be4 21.Qe4 Ne4 22.Bf8 Rf8 23.Re1 Nc3 24.Rc7 g6 25.g3 Na2 26.d5 Rd8 27.Ree7 Rd5 28.Rf7 c3? (28...h5 29.Rg7 Kh8 30.Rh7 Kg8 31.Rcg7 Kf8 32.Ra7+–) 29.Rfe7 (29.Rg7 Kf8 30.Rh7 Kg8 31.Rhg7 Kh8 32.Rg6 Nb4+–) 29...Kf8? (better is 29...Rd8+=) 30.Rh7+– Kg8 31.Rhg7 Kf8 32.Rcf7 (32.Rg6 Nb4 33.Rb6 Rd8 34.Rc3 Ke7+–) 32...Ke8 33.Ra7 Kf8 34.Rh7 Kg8 35.Rhc7 Rd8 36.Ra6 b4 37.Ra2 b3 38.Ra3 (better is 38.Raa7 Rb8 39.Rg7 (39.Rc3? b2–+) 39...Kh8 40.Rh7 (40.Rg6?! b2 41.Rh6 Kg8 42.Rg6 Kh8 43.Rh6 Kg8 44.Rg6 Kh8=) 40...Kg8 41.Rag7 Kf8 42.Rc7+/– (42.Rg6 c2 43.Rf6 Kg8–/+)) 38...Rb8 39.Rc3 b2 40.Rab3 b1Q 41.Rb1 Rb1 42.Kg2 1–0. Morriss,Pete (2005) – Brinck_Claussen,Bjorn (2245), Rijeka CRO, 2013.

4.Nc3 Nf6 5.Qb3 0–0 6.e3 Qe7 7.Be2 d6?? 8.Nf3?? Bc3 9.Qc3 b6 10.0–0 a5 11.Rfe1 Bg4 12.h3 Ne4 13.Qc2 Bh3?? 14.gh3 Ng5 15.h4 Nf3 16.Bf3 Qd7 17.Bc6 Qc6+/– 18.Kf1 b5 19.Rec1 b4 20.c5 Qh1 21.Ke2 Qh4 22.cd6 cd6 23.Rh1 Qg4 24.Ke1 e4 25.Qd1 Qg2 26.Rf1 d5 27.d3 f5 28.de4 de4 29.Rc1 Rad8 30.Qe2 Rd3 31.f3?? Qg3 32.Qf2 Re3 33.Kd1 Rd8 34.Kc2 b3 35.ab3 Rc8 36.Kb1 Rc1 37.Bc1? Qf2 38.Rf2 Rb3 39.Ka2 Rf3 40.Re2 h6 41.Kb2 g5 42.Kc2 Kg7 43.Kb2 Kg6 44.Ka2 h5 45.Rg2 f4 46.Re2 e3 47.Bb2 Rf2 48.Re1 e2 49.Bc3 f3 50.Ba5 Rf1 51.Kb2 f2 52.Re2 g4 53.Re6 Kf5 54.Rh6 Rh1 55.Rc6 f1Q (56.Ka3 Qa1 57.Kb3 Rb1 58.Kc2 Rc1 59.Kb3 Qb1 60.Ka4 Qe4 61.Ka3 Qc6–+) 0–1. C_Artist_Think – chrisalvin2005, chessHere.com, 2006.

4.f3 Qh4 5.g3 Qc4 6.e4 Qc5 7.a3 Ba5 8.Nc3 Bc3 9.dc3 Nf6 10.Ne2 d5 11.f4 Ne4 12.fe5 Qf2# 0–1. jellybaby – Caissa, Caissa's Web Live Game, 2004.

4.Nf3 d6 5.e3 Nf6 6.Be2 Bf5 7.0–0 h6 8.d4=+ ed4 9.Nd4 Nd4 10.Bd4 0–0 11.Qb3 Ba5 12.Qb7= Bb6 13.a4? Bd4?? 14.ed4= Be4 15.Qb3 Rb8 16.Qc3 Qc8 17.Nd2= Qf5 18.Bf3 Rfe8 19.Rfe1 Bf3 20.Nf3 a5 21.d5 Re1 22.Re1 Rb4 23.Nd4 Qf4 24.Nc6?? Rc4 25.Ne7 Kf8 26.Qa5 Rc1?? 27.Qa8+– Ne8 28.Ng6 (28...Kg8 29.Qe8 (29.Nf4?? Re1) 29...Kh7 30.Nf4 Re1 31.Qe1 g6 32.Qe7 Kg7 33.Ne6 Kg8 34.Qf8 Kh7 35.Qg7) 1–0. gtate (1845) – zekota, net–chess.com, 2003.

4.Nf3 d6 5.e3 Bg4 6.Be2 Qe7 7.h3 Bh5 8.0–0 Nf6 9.d4 ed4 10.ed4 0–0 11.a3 Ba5 12.Nc3 Rfe8 13.Re1 Bf3 14.Bf3 Qe1 15.Qe1 Re1 16.Re1 Nd4 0–1. gtate (1845) – sanbarrett (2335), net–chess.com, 2003.

4.Nf3 Qe7 5.e3 f6 6.a3 Nh6?? 7.ab4+– Qb4 8.Ba3 Qa5 9.Nc3 d6 10.Bd6! Qb6 11.Ba3 a5 12.c5 Qa7 13.Qb3 a4 14.Qc2 Bf5 15.e4 Bg6 16.Bc4 0–0–0 17.0–0 Nd4 18.Nd4 Rd4 19.Nd5 Be4 20.Ne7 Kd7? 21.c6!+– bc6 22.d3 Bg2 23.Kg2 Rg4 24.Kh1 c5 25.Bb5 Ke7 26.Bc5 Qc5 27.Qc5 Kf7 28.Qc7 Kg6 29.Rg1 Kh5 30.Rg4 Ng4 31.Qg7 Rb8 32.Qh7 Kg5 33.Qg7 Kf4 34.Ra4 e4 35.Re4 Kf3 36.Qg4 Kf2 37.Qe2 (37.Qf5) 1–0. gtate (1845) – camcnt, net–chess.com, 2003.

4.Nf3 Nf6 5.Ne5=+ Ne5 6.Be5 0–0 7.e3 Qe7 8.Bc7= h6 9.Be2 d6= 10.Qa4 Bd2 11.Nd2 Qc7 12.0–0 Rd8 13.Bf3 Bd7 14.Qb3 Bc6 15.e4 a6 16.Rfe1 Qa5 17.Qc2 Nd7 18.Nb3 Qe5 19.Rad1 Nf6 20.Nd4 Bd7 21.h3 b5 22.Nf5 Rac8 23.Rd4?? Bf5–+ 24.Qd2 Rc4 25.Rc4 bc4 26.ef5 Qf5 27.Qc3 d5 28.Rd1 Nh5 29.Rd4? Nf4–+ 30.Qa5 Re8 31.Bg4 Qe5 32.Qc5 Qe1 33.Kh2 Qf2 34.Bf3 Ne6 35.Qd5 Nd4 0–1. gtate (1715) – pede, net–chess.com, 2002.

3.c4?? d6

4.a3 Ba5 5.Nc3 Nf6 6.e3 0–0 7.h3 Nc6 8.Nf3 Bb6 9.d4 ed4 10.ed4 Bd7 11.Be2 a6 12.0–0 Rb8 13.Re1 Bf5 14.d5 Ne7 15.Nd4 Bg6 16.Bf3 Bd4 17.Qd4=+ c5 18.Qe3 b5?? 19.cb5?? Nf5 20.Qf4 Nd4 21.Ne4 Nf3 22.gf3 Ne4 23.fe4 ab5 24.e5 de5 25.Qe5? f6–+ 26.Qe6 Bf7 27.Qg4 Bd5 28.Rad1 Qd6 29.Re3 Qc6 30.Rg3 Rb7 31.Kh2 b4 0–1. gtate (1945) – emperador (1930), net–chess.com, 2003.

4.a3 Ba5 5.Nf3 Nf6 6.c5 0–0 7.cd6 cd6 8.Nc3 Bg4 (8...Nc6 9.Rc1–+) 9.Qb3 (9.h3 Bf5–/+) 9...b6 (9...Nbd7 10.Rc1–+) 10.Rc1 Nbd7 11.a4 Nc5 12.Qc2 Bf3 13.ef3 Rc8 14.g3 d5 15.Qd1 Bc3 16.Bc3 d4 17.Bb2 Nd5 18.Ba3 Re8 19.Bb5 Re6 20.0–0–/+ e4 21.fe4 Ne4 22.Re1 Rc1 23.Qc1 Nd6 24.Re6+= fe6 25.Qc6 Nb5 26.Qe6 Kh8 27.ab5 Nc7 28.Qc6 h6 29.Bd6+/– Nb5? 30.Be5+– a6?? 31.Qh6 1–0. guest872 – guest979_jjirous, ICC, 2000.

4.a3 Bc5 5.Nf3 Qf6 (5...Nf6 6.e3–/+) 6.Qa4 Bd7 7.Qa5 (7.Qb3!? Nc6 8.Nc3–/+) 7...Nc6–+ 8.Qc7? (8.Qb5 Rb8 9.Qb3 Qe6–+) 8...Nge7 (8...Rc8 9.Qb7 Rb8 10.Qb8 Nb8 11.Nc3–+) 9.Qb7? (Better is 9.d4 Bb6 10.de5 de5 11.Be5 Bc7 12.Bf6 gf6 13.Nbd2–+) 9...0–0 (Better is 9...Rb8 10.Qb8 Nb8–+) 10.Qd7+– Rab8 11.g4 Rb2–/+ 12.g5 Qf4 13.Bh3 Rc2 14.0–0 e4–+ 15.e3 Qf3 16.Nc3?? Rd8 17.Qg4 Ne5 18.Qh4 Qe2 19.Ne2 Nf3 20.Kh1 Nh4 21.Rfb1 Rd2 22.Rb7 Nef5 23.Rab1 g6 24.Nf4 Rf2 25.Ra7 h6 26.gh6 Ba7 27.c5 Bc5 28.Nd5 Re8 29.Nf6 Kh8 30.Ne8 (30...Ne3 31.Rb8–+) 1–0. voyamatar – CHIPMUNKS, Live Game Caissa's Web, 2004.

4.Qa4 Nc6 5.Bc3 Bc3 6.Nc3 Nf6 7.Nd5 0–0 8.e3 Bd7 9.Bd3 e4 10.Nf6 Qf6 11.Rb1 ed3 12.Nf3 a6 13.Rb7 Qa1 14.Qd1 Qa2 15.Rc7 Rab8 16.0–0 Rfd8 (17.Qa1 Rb2–+) 0–1. nickttm – Odin(Aesir), ChessWorld.net, 2004.

4.Nc3 Nf6 5.Nf3 Bc3 6.Bc3 Ne4 7.Bb2 Be6 8.e3 Nc6 9.Bd3 Nc5 10.Be2 0–0 11.0–0 Na5 12.Rc1 Ne4 13.Qc2 Bf5 14.d3 Nc5–/+ 15.e4 Bd7 16.Qd2 b6 17.h3 Ne6 18.Nh2 Nf4–/+ 19.Bd1?? f5 20.f3 fe4 21.fe4 Nc6 22.a3? Ne7 23.Nf3 Neg6 24.Rb1 Nh4–+ 25.Bc1? Nhg2 26.Qa2 Bh3 27.Rf2 Nd3 28.Rd2 Nc1 29.Rc1 c5 30.Ba4 Rf3 31.Qc2 Ne3 32.Qb2 Qg5 33.Kh1 Raf8 34.Rc3 Rf1 35.Kh2 Qg1 36.Kh3 R8f3 (37.Kh4 Qg4#) 0–1. the yid – IroniteNC, internet, 2005.

4.e3 e4?? 5.Nc3 Nf6 6.Nge2 0–0–/+ 7.Ng3 Bc3 8.Bc3 Be6 9.d4 ed3 10.Bd3 Nc6 11.0–0 d5 12.Qb3 dc4=+ 13.Bc4 Na5?? 14.Ba5+– Bc4 15.Qc4 b6 16.Bc3 Qe7 17.Nf5 Qe4 18.Qe4 Ne4 19.Bg7 Rfd8 20.Be5 c5 21.Rfd1 c4 22.Rd4 Rd4 23.Nd4 Rd8 24.Nc6 Rd2 25.Rc1 Rf2? 26.Rc4 Nd2 27.Rf4 Rf4 28.ef4 Nc4 29.Na7 Ne5 30.fe5 Kg7 31.Kf2 Kg6 32.Kf3 Kf5 33.Nc6 f6 34.ef6 Kf6 35.g4 Kg5 36.Kg3 h5 37.h4 Kg6 38.g5 Kf5 39.a4 Kg6 40.Kf4 Kg7 41.Ne5 Kg8 42.Nc4 (42...Kf7 43.Nb6+–) 1–0. gtate (1830) – ofi (1800), net–chess.com, 2003.

4.e3 Nf6 5.a3 Ba5 6.Nc3 0–0 7.Nf3 Nbd7 8.Be2 Nc5 9.Rc1 e4 10.Nd4 Ng4! 11.Nb3 (11.Bg4 Nd3 Double attack (11...Nd3 Decoy)) 11...Bc3 12.Bc3 Qh4 13.g3 Qh3 14.Nc5 Qg2 (14...Qg2 15.Rf1 Nh2 16.Ne4 Nf1 17.Nf6 gf6 18.Bf1 Qh1–/+) 0–1. BH (2175) – Mantovanelli,Marco (2530), BdF, 2008.

4.g3 b6?? 5.Nf3?? f6?? 6.e4?? Ne7–/+ 7.g4? Bb7 8.Qe2 c5 9.a3 Ba5 10.Bg2 Nbc6 11.a4? h6 12.h4? Qd7 13.Bh3 Nb4 14.g5 Qc7 15.Rg1 Nc2 16.Kd1 Na1 17.Ba1 Qc6 18.Ke1 Qa4 19.Rg4 Qa1 20.Kf1 Qb1 21.Kg2 h5 22.gf6 gf6 23.Nh2 hg4 24.Bg4 Be4 25.Qe4 Qe4 26.Kf1 Qc4 27.Be2 Qc1 28.Kg2 Qd2 29.Nf1 Qe2 30.h5 Qh5 31.Ng3 Qh3 32.Kf3 Nf5 33.Ke2 Ng3 34.fg3 Qg3 35.Kd1 Rh1 36.Kc2 Rh2 37.Kc1 Qg1# (37...Qe1#) 0–1. soraya – yeatond, net–chess.com, 2007.

3.c4?? f6

4.a3 Be7 5.e3 d6 6.d4 Be6 7.d5 (7.Bd3 Nh6=) 7...Bf7 8.e4 Nd7 9.Nc3 Nb6 (9...Nc5 10.Nf3=+) 10.Bd3 Qd7 (10...c6 11.Nge2=+) 11.Nf3 Nh6 12.h3 0–0 13.Qc2 g6 14.0–0–0 Kg7 15.g4 Rfb8 16.Nb5 c6–+ 17.Nc3 Nc8 18.Rhg1 a6 19.a4 b5 20.dc6 Qc6 21.cb5 ab5 22.ab5 Qb6 23.g5 fg5 24.Ng5 Bg5 25.Rg5 Ra2?? 26.Nd5?? Bd5–/+ 27.ed5 Ne7?? 28.Qb3?? Rc8 29.Kd2?? Qf2–+ 30.Be2 Qf4 31.Qe3 Rb2 32.Ke1 Qe3 33.h4 Qe2# 0–1. MasterofDisaster – procyk, Live Game Caissa's Web, 2004.

4.Qb3 Ba5 5.e4 Ne7 6.c5 d5 7.cd6 Qd6 8.Bc4 a6 9.a4 c5 10.Ne2 Nbc6 11.Qg3 Ng6 12.Qb3 Nd8 13.Nbc3 Ne6 14.Nd5 0–0 15.Ng3 Kh8 16.Nf5 Qd8 17.g3 Rb8 18.h4 Nd4 19.Nd4 ed4 20.h5 Ne5 21.Be2 Be6 22.f4 Nc6 (23.Rc1 Nb4 24.Rc5 b6–+) 0–1. Nowakowski (1800) – Franek,Mieczyslaw (2000), corr 1. AMM Poland, 1991.

4.Nc3 Nc6 5.e3 Nge7 6.Nf3 Bc3 7.Bc3 d5 8.cd5 (8.cd5 Qd5 9.Qa4–/+). chiacchiere – ramiroski, internet, 2006.

4.e3 d5 5.a3 Ba5=+ 6.Nf3 Bg4 7.Qa4+= c6 8.cd5 Bd7 9.Qb3 cd5= 10.Qd5 Bc6 11.Qd8 Bd8 12.Bc4 b5 13.Bb3 Bf3 14.gf3+/– Bc7?? 15.d4 Nc6+/– 16.d5 Na5= 17.Ba2 Nc4 18.Bc4 bc4 19.e4 Ba5 20.Bc3 Bc3 21.Nc3 a6 22.Kd2 Nh6 23.Rhb1 0–0 24.Rb7 f5+= 25.Ke3 f4 26.Kd2+/– Rfd8 27.Rab1 Nf7 28.R1b6 Nd6 29.Rc7 Nb5 30.Nb5+– ab5 31.Rb5 Ra3 32.Rc4 Rf3+= 33.Ke2 Rh3 34.Rc7 Ra8? 35.Rbb7 Ra2? 36.Kf1 Rh2?? 37.Rc8# (37.Rb8#) 1–0. carrafurca (2215) – epprecht (2100), net–chess.com, 2007.

4.e3 d5 5.Qb3 Bd6 =.

4.e3 d5 5.Nf3 dc4 6.Bc4 Nc6 7.0–0 Bg4 8.h3 Bf3 9.Qf3 Bd2?? 10.Rd1+– Qe7 11.Nd2 0–0–0 12.a4 Qb4 13.Ba3 Qc3 14.Qg4 Kb8 15.Qg7 Nge7 16.Be7 Ne7 17.Qe7 Rd2 18.Rd2 Qd2 19.Qf6 Rd8 20.Qe5 Qb2 21.Qb2 (21...Rc8 22.Ba6 b5 23.Qb5 Ka8 24.Qb7) 1–0. gtate (1830) – dsolomon (1795), net–chess.com, 2003.

3.c4?? Nf6

4.Qb3 Nc6–/+ 5.Nf3 d6 6.e3 0–0 7.Nc3 Ba5 8.Nd5 Nd5 9.cd5 Ne7 10.Bd3 f5 11.Ne5 de5 12.d6 Kh8 13.de7 Qe7 14.Qd5 Bd2?? 15.Kd2+/– e4 16.Qe5?? Qe5 17.Be5 Rd8 18.Bc7 Rd3 19.Ke2 Be6 20.a4 Bc4 21.Rhc1 Ra3 22.Rc4? Ra1–+ 23.Be5 Ra2 24.Ke1 Rd8 25.Rc7 Kg8 26.Rg7–/+ Kf8 27.Rb7 Rdd2 28.Bg3 Re2 29.Kf1 Rec2 30.Rb1? Ra4 31.Rb8 Kf7 32.Rb1 Rac4 (33.Rb7 Ke6–+) 0–1. Nowakowski – Sternik,Ryszard, corr 1. AMM Poland, 1991.

4.Nc3 d6 5.Qb3 Bc5 6.0–0–0 Bf2–+ 7.e3 Na6 8.g3 Nc5 9.Qb5 Bd7 10.Qb7 Nb7 11.Nge2 Nc5 12.Nd5 Nd3 13.Kc2 Ba4 14.Kc3 Bd1 (15.Kd3 e4 16.Kc3 c5–+; better is 14...Nd5 15.cd5 Nb2 16.Kb2 Bd1 17.Nc3–+) 0–1. guest5274 – Trkn, ICC, 2004.

3.e3?? Nc6

4.Bb5 Nge7 5.Nf3 d6 6.c3 –/+.

4.Bb5 Nf6 5.Bc6+= dc6 6.Be5 0–0 7.Nf3 Bg4 8.h3 Bh5 9.Nc3 Re8 10.g4 Bg6 11.Rb1 a5 12.Na4? (better is 12.a3 Ba3 13.Rb7+=) 12...Be4–+ 13.Bf6 (13.c3 Bb1 14.Qb1–+) 13...Qf6 (13...gf6?! 14.0–0 b5 15.d3–/+) 14.Nb2 (14.g5 Qf3 15.Qf3 Bf3 16.Rg1–+) 14...Bf3 15.Qc1 Bh1 16.c3 Ba3 17.Ke2 (17.Qc2 b5–+) 17...Qf3 18.Ke1 Qh3 19.Kd1 Be4 (better is 19...Bb2 20.Kc2 Bc1 21.Rc1 Qg4–+) 20.d4 Qf1 21.Kd2 Qf2 22.Kd1 Bf3 0–1. Willi_weizenkeim – Guto_ap_Harri, playchess.de, 2005.

4.Nf3 d6 5.c3 Ba5 6.d4 e4 7.Nfd2 Nf6 8.d5 (8.Qc2 d5–/+) 8...Ne5 (8...Nd5!? 9.Bb5 0–0–/+) 9.Qa4 c6 10.dc6 bc6 11.Ne4 Ne4 12.Qe4 Qb6 (better is 12...Rb8!? 13.Qc2 Qf6–/+) 13.Ba3= Be6 14.Be2 (14.Bd6 Qb2 15.Be5 Bd5=) 14...f5 15.Qh4 Ng6 (15...0–0 16.0–0 (worse is 16.Bd6 Qb2 17.Be5 Qa1–/+) 16...c5 17.Rd1+=) 16.Bh5= Kd7 (16...0–0 17.Bg6 hg6 18.0–0= (18.Bd6? Qb2–+)) 17.Bg6 hg6 18.Qg3 c5 19.0–0 Rh6 20.e4 (20.Rd1!? Rah8 21.h3=) 20...fe4 21.Bc1 Rah8 (better is 21...Rh7+=) 22.Bh6+/– Rh6 23.Nd2 Bf5? (better is 23...Qc7 24.Nb3 Bb6+/–) 24.Nc4 (24.Rad1 Qa6+–) 24...Qa6 25.Na5 Qa5 26.Rfd1 Qb6 (26...Qc7 27.Qe5 Rh7 28.Rd2+–) 27.Rab1 Do you see the mate threat? 27...Qc6 28.Rb2 d5 (28...Ke6 29.Rbd2 d5 30.h3+–) 29.Qb8 (29.Qe5!? Be6 30.Qg7 Kd6 31.Qh6 Qe8+–) 29...Ke6 (29...Qd6 30.Qa7 Kd8+–) 30.Qa7 Ke5 (30...Rh8 31.Rb6 Rc8 32.Rc6 Rc6 33.Qg7+–) 31.Qg7 (31.Qg7 Ke6 32.Qh6+–) 1–0. Gross,Wilhelm – Merten,Rainer, xv, 1987.

4.Qg4 g6 5.c3 d6 6.Bc4 Bg4 7.Bf7 Kf7 8.h3 Bf5 9.Nf3 Ba5 10.Na3 Bd3 11.Nb5 Bb5 12.Ba3 d5 13.d4 Bc3 14.Kd1 Ba1 15.Ng5 Qg5 0–1. guest180 – Bonetti,Shane, ICC, 2002.

3.e4?? Nc6

4.a3 Ba5 5.Nf3 Nf6 6.Nc3? 0–0 7.Be2 d5 8.ed5–/+ Nd5 9.Nd5 Qd5 10.0–0 f6 11.c4 Qe4 12.d3 Qg6 13.Nh4 Qg5 14.Nf3 Qg6 15.Nh4 Nd4?? 16.Ng6+– hg6 17.Bd4 ed4 18.c5 Bc3 19.Rc1 b5 20.Bf3 Rb8 21.Bd5 Kh8 22.Qf3 g5 23.Rc2 b4 24.Qg3 ba3 25.Qc7 Bf5 26.Rd2 Bd2+/– 27.Qa7 Bd3 28.Qa3 Bc3 29.Rd1 f5? 30.h3 Be4? 31.Bc4 Ra8 32.Qc1 Ra1? 33.Qg5+– Rd1 34.Kh2 d3 35.Qh5# (35.Qh4#) 1–0. rsuzukovich (1815) – olo (1920), net–chess.com, 2007.

4.Bb5 Nf6 5.Bc6=+ dc6 6.Be5 0–0 7.f3 Re8 8.Bc3 a5 9.Ne2=+ b5 10.0–0 Bc3 11.Nbc3 Ba6 12.Ng3 Qd4 13.Rf2= Rad8 14.Nf5 Qc5 15.Ne2 b4 16.d4 Be2 17.Re2 Qb5 18.Qd2+= h6 19.Ree1 Nd7? 20.Qf4+/– Nf8 21.Qc7 Rd7 22.Qg3+– f6 23.Nd6 (23...Rd6 24.Qd6+–) 1–0. Brzoza,Miroslaw – Dziel,Jaromir, corr 2. AMM, Poland, 1994.

4.c3 Bc5 5.d4 ed4 (6.cd4 Bb4 7.Nc3 Nf6–/+) 0–1. alctay (1715) – jboger (1985), net–chess.com, 2009.

4.Bc4 f6 (--> 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 Nc6).

4.Nf3 d5 5.ed5 Nce7 6.c4+= Bf5?? 7.Be2 Nf6?? 8.Ne5 c6 9.dc6 Nc6 10.Nc6 bc6 11.0–0 0–0+= 12.Nc3 Bc3 13.Bc3+= Ne4 14.Bf3 Re8 15.Re1 Nc3 16.dc3 Qd1 17.Rad1+/– Re1 18.Re1 Be6 19.Bc6+– Rc8 20.Bd5 h5?? 21.Rc1 a5 22.f4 Bf5 23.Kf2 Bd3 24.Ke3 Bf5 25.Kd4+– Kf8 26.c5 f6 27.c6 Ke7 28.c4 Rd8 29.Kc5 Rb8 30.Re1 Kd8 31.Kd6 Rb6 32.c5 Rb5 33.c7 Kc8 34.Re8# 1–0. gtate (1700) – yvesr (1660), net–chess.com, 2002.

4.f4 d6 5.Qf3 Nf6 6.Bc4 0–0 7.fe5 Ne5 8.Bf7 Nf7 0–1. Loedel – Illa, Carrasco, 1921.

4.a3 Bc5

5.Bb5 Nf6 6.Bc6 bc6 7.Be5–/+ d6 8.Bf6?? Qf6–+ 9.c3 Qf2# 0–1. abandon – bar, net–chess.com, 2002.

5.Nf3 d6 6.Bb5 Nge7 7.Nc3 0–0 8.0–0 a6 9.Ba4 Bg4–+ 10.d3? Nd4 11.Re1 Ng6 12.Nd5 Nh4 (13.Bd4 Bd4–+ (< 13...ed4 14.Kh1–+)) 0–1. Whiterose – oldsage, ChessWorld.net, 2006.

5.Nf3 d6 6.Be2 Nf6 7.0–0 (7.Nc3 0–0–/+) 7...Ne4–+ (8.d4 Nd4 9.Nd4 Bd4 10.Bd4 ed4 11.Qd4 Nf6–/+) 0–1. Steingraeber,Barbara – Hangmann,Christian, remoteschach.de, 2002.

4.c3 Be7

5.Bb5 Nf6 6.Nf3 Ne4 7.Qe2 Nd6 8.Ne5 Ne5 9.Qe5 Nb5 10.Qg7?? (Better is 10.Qb5 0–0 11.Qh5–+) 10...Bf6 11.Qh6 Qe7 12.Qe3 d5 13.d4 Qe3 14.fe3 Bg5 15.Bc1 b6 16.Nd2 Nc3 17.Bb2 Na4 18.Bc1 Ba6 19.e4 Bd2 20.Bd2 de4 21.Rc1 c5 22.dc5 Nc5 23.Bb4 Nd3 24.Kd2 Nb4 25.Rc7 e3! 26.Ke3 Nd5 27.Kd4 Nc7 28.Re1 Ne6 29.Ke5 Rd8 30.Re4 Rd2 31.Rc4 Bc4 (32.g4 Re2 33.Kf6 Rg8 34.g5 Rg5 35.a3 Rf2) 0–1. GODKILLEDJESUS – Caissa, Live Game Caissa's Web, 2004.

5.c4 Nf6 6.Nf3 d6 7.Ng5? h6–+ 8.Nf3 Ne4 9.d3 Nc5 10.g3 Bf5 11.Rg1 Nb4 12.Kd2 Nbd3 13.Qc1 Nc1 14.Kc1 Nd3 15.Kd2 Nb2 16.Kc3 Nd1 17.Kd2 Nf2 18.Nc3 Ne4 19.Kd3 Nc3 20.Kc3 c5 21.Rd1 Qa5 0–1. Wloka,Frank – Jungkind,Roland, RSX4E – NoEngine–2, 2003.

5.Bc4 Nf6 6.Nf3 Ne4–+ 7.Bd3 d5 8.h3 Nf2! 9.Kf2 e4 10.Be4?! de4 11.Nd4 Nd4 12.cd4 Bh4 13.g3 Qf6 14.Kg2 Qg5 15.g4 Qf4 16.Qe2 Qg3 17.Kf1 f5 18.Qe3 0–0 19.Qg3 Bg3 20.g5 Bd7 21.Nc3 a6 22.h4 Rad8 23.Ne2 Bb5 24.Kg2 Bd6 25.Nc3 Bc4 26.Rh3 Bb4 27.a3 Rd4 28.Bc1 Bc3 29.dc3 Rd3 30.Rd3 ed3 31.Bd2 Re8 32.Re1 Re2 33.Re2 de2 34.Kf3 Kf7 35.Kf4 Ke6 36.h5 g6 37.h6 Kd5 38.Ke3 b5 39.Be1 c5 40.Kf4 a5 41.Ke3 a4 42.Kd2 b4! 43.cb4 cb4 44.ab4 a3 45.Kc2 a2 46.Kb2 f4 (47.Bf2 f3–+) 0–1. tuaku – Istvanny (1655), internet, 2007.

5.d4 ed4 6.cd4 d5 7.ed5 Qd5 8.Nf3 Nf6 9.Bb5?? Qb5–+ 10.a4 Qb2 11.Nbd2 Bg4 12.Rb1 Qa3 13.0–0 Nd4! 14.Re1 Nf3 15.gf3 Bh3 16.Rb7 0–0 17.Rc7 Bd6 18.Rc4 Bb4 19.Rh4 Bd2 20.Qd2 Qf3 21.Rh3 Qh3 22.Qg5 Ng4 23.Re4 Qh2 (24.Kf1 Qf2#) 0–1. larva – raghavendrakarthik, net–chess.com, 2001.

4.Bc4 Nf6

5.a3 Bc5 6.d3 d5 7.ed5 Nd5 8.Nf3 Nf4 9.0–0 Qf6 10.Nbd2 Qg6 11.g3 Nh3 12.Kg2 f6 13.Ne4 Bb6 14.Qd2 Nf4 15.Kh1 Bh3 16.Rg1 Qh5 17.Qd1? Bg4 18.Ned2 Nh3 19.Rf1 Nf2 20.Rf2 Bf2 21.Qe2 Bg3 22.Qg2 Bf4 23.Rg1 Bf3 24.Nf3 0–0–0 25.Qg4 Qg4 26.Rg4 g5 27.Be6 Kb8 28.h4 h5 (29.Rg2 g4–+) 0–1. White – Schirmer,Michael, corr 3GMM–29, 1995.

5.c3 Bc5 6.d3 Na5 7.Nd2 Nc4 8.Nc4 d5 9.ed5 Qd5–+ 10.f3 Bf5 11.Qe2 0–0–0 12.Ne5 Bd3 13.c4 Bb4 14.Kf2 Qc5 15.Qe3 Bc4 (16.Qc5 Bc5 17.Kg3 Be6–+) 0–1. Lielmezs,Girts – Groves,Patrick, CD.2004.0.00081, 2004.

5.f3 d5 6.ed5 Nd5 7.Ne2?? Bc5 8.Nbc3?? Qh4 9.g3 Qc4 10.d3 Nc3 11.Nc3 Qd4 12.Qe2 Bb4 13.Kd1 Bc3 (14.Bc3 Qc3–+) 0–1. Stummerer – Borrmann, corr SOK–87–11, 1987.

4.Nf3 d6

5.Bb5 Bd7 6.0–0 Bc5 7.c3 Nge7 8.d4 Bb6 9.Bc6 Nc6 10.de5 de5 11.c4 Qe7 12.Nc3 Be6 13.Nd5=+ Bd5 14.cd5 Nd4 15.Nd4 Bd4 16.Bd4 ed4 17.Qd4 0–0 18.Rfc1 f6 19.Qc4 Rac8 20.d6 Qf7 21.dc7 Qc4 22.Rc4 Rf7 23.Rd1?? Rfc7= 24.Rd8?? Rd8–+ 25.Rc7 Rd1# 0–1. gtate (1700) – cbum (1945), net–chess.com, 2002.

5.Bb5 Nf6 6.c3 Ba5 7.Qa4 (7.Na3 Bb6 8.d3 0–0–/+) 7...Bb6 8.d4 (8.Na3 Bd7–/+) 8...Bd7–+ 9.Nbd2 a6 10.Bc6 Bc6 (10...bc6?! 11.de5 Ng4 12.0–0=) 11.Qc2 ed4 (11...Qe7 12.d5 Bd7 13.0–0–+) 12.Nd4 Bd4 (12...0–0!? 13.0–0 Qe7–/+) 13.cd4+= Be4?? (better is 13...Qd7+=) 14.Ne4+– Qe7 (14...Ne4 15.Qe4 Qe7 16.Qe7 Ke7 17.d5+–) 15.0–0 Ne4 (15...Qe4?? 16.Rae1 d5 17.f3+–) 16.Rae1 (16.f3 Ng5 17.Rfe1 Ne6+–) 16...0–0 (better is 16...f5!?+–) 17.Re4 (17.Qe4?! Qe4 18.Re4 Rfe8+–) 17...Qd7 18.Rfe1 Qb5 (18...Rae8 19.d5+–) 19.R1e3 (19.Bc1 c5+–) 19...d5 (19...Rae8 20.Re8 Re8 21.Qc7+–) 20.Re7 Rac8 21.a4 (21.h3 Qc4 22.Bc3 g6+–) 21...Qb4 (21...Qc4 22.Qd1+–) 22.Bc3 Qc4 23.Qf5 Qa4 24.Rf7!! g6 25.Rg7! Kg7 26.Re7 Kh6 27.Bd2 g5 28.Qg5# 1–0. zunsurfer (2040) – ovid7 (1775), gameknot.com, 2014.

5.h3 Nf6–+ 6.c3 Ba5 7.d3 0–0 8.Be2 Nd4 9.Nbd2 Ne6 10.0–0 Nc5 11.a4 Bd7 12.d4? Nce4 13.Qc2 Nd2 14.Qd2 e4 15.Nh2 d5 16.f4 Re8 17.Qe3 a6 18.f5 Qc8 19.Ng4 Ng4 20.Bg4 f6 21.Bh5 Rd8 22.Ba3 Bf5 23.Qg3 Qd7 24.Bb4 Bb4 25.cb4 c6 26.Rf4 b5 27.Bg4 Bg4 28.Rg4 Re8 29.ab5 cb5 30.Rc1 Re7 31.Rc5 e3 32.Kf1 e2 33.Ke1 Qf5 34.Rf4 Qb1 (35.Kd2 e1Q 36.Qe1 Qe1 37.Kc2 Re2 38.Kb3 Qb1 39.Kc3 Qc2#) 0–1. gtate (1700) – cbum (1945), net–chess.com, 2002.

3.e4?? d6

4.c3 Bc5 5.Bc4 Qf6 6.Nf3 Bg4 7.Qb3? b6 8.Ng5?? Qf2# 0–1. laure – suhas, net–chess.com, 2004.

4.Bc4 Nf6 5.c3 Ba5 6.Qa4 Nc6 7.Bb5 Bb6 8.Bc6 bc6 9.Qc6 Bd7 10.Qc4 Ng4 11.d4 Rb8 12.Qe2 ed4 13.cd4 Ba5 14.Nc3 c5 15.dc5 Qf6 16.Rc1 Ne5 17.Kd1 dc5 18.Nf3? Qd6 19.Kc2 Bc3 20.Kc3 Nf3 (21.Rb1 Qe5 22.Kc2 Rb2 23.Rb2 Nd4 24.Kb1 Ne2 25.Re2 Ke7–+) 0–1. Lielmezs,Girts – Querol I Sol,Didac, CD.2004.0.00081, 2004.

4.Nf3 Ne7 5.Be2 0–0 6.0–0 Bg4 7.h3 Bf3 8.Bf3 Nbc6 9.c3 Ba5 10.d4 Bb6 11.d5 Nb8 12.c4 Nd7 13.Nd2 Nc5 14.a4 a5 15.Bg4 f5 16.ef5 Nf5 17.Qf3 Nh6–+ 18.Qg3 Ng4 19.Qg4 Qf6 20.Ne4 Ne4–+ 21.Qe4 Bf2 22.Kh1 Qh4 23.Qh4 Bh4 24.Rf3 Rf3 25.gf3 Bg5 26.Rg1 Bf4 27.Rb1 b6 28.Bc3 Rf8 29.Kg2 Rf6 0–1. gtate (1700) – tomy (2100), net–chess.com, 2002.

4.f4 (--> 1.b4 e5 2.Bb2 Bb4 3.f4 d6 4.e4).

4.h3 Nf6 5.c3 Ba5 6.d3 0–0 7.Nf3 Nc6 8.Be2 h6 9.0–0 Nh5 10.Nbd2 Nf4–/+ 11.Re1 Qf6 12.d4 Bh3! 13.gh3?? Qg6 (14.Ng5 Qg5 15.Bg4 ed4–+) 0–1. gtate (1700) – bar, net–chess.com, 2002.

4.c3 Ba5

5.Na3 Bb6 6.Nc4 –/+.

5.Na3 Be6 6.Bc4 d5 7.ed5 Bd5 8.Bd5 Qd5 –/+.

5.Na3 Be6 6.Nc4 Bc4 7.Bc4=+ Nf6 8.Qa4 c6–/+ 9.Qb3 0–0 10.Qb7=+ Ne4?? 11.Nh3?? Qb6–/+ 12.Qa8 Nd7 13.Qf8 Nf8 14.0–0–0 d5–+ 15.Rhe1 Nc5 16.Bb3 Nd3 17.Kb1 Ne1 18.Re1 Nd7 19.f3 h6 20.d3 d4 (21.Rc1 Bc3 22.Bc3 dc3 23.Rc3 Kf8–+) 0–1. White – Plock,Joerg, corr 3GMM–29, 1995.

5.Na3 Be6 6.Nc4 Nc6 7.Na5 Na5 8.d4 –/+.

5.Qa4 c6 6.d4 b5 7.Qc2 ed4–+ 8.Ne2 dc3 9.Bc3? b4 10.Bd2 Qf6 11.Nbc3 bc3 12.Be3 Qe7 13.Bd4 Nf6 14.Qa4 Bc7 15.Nc3 0–0 16.Be3 d5 17.Bd3 Be5 18.Rc1 Bc3 19.Rc3 Ne4 20.Be4 Qe4 21.Qe4 de4 22.Rc4 f5 23.Rc2 Ba6 24.Rc3 Rd8 25.Bg5 Rd5 26.Be3 Bb5 27.Ra3 a5 28.Bd2 a4 29.f3 Nd7 30.fe4 Re8 31.Re3 fe4 32.Rg3 Ne5 33.Bc3 e3! 34.h3 Nd3 (35.Kd1 Nf2 36.Kc1 Nh1 37.Rg7 Kf8 38.Rh7 Nf2–+) 0–1. Liddicoat,J – Dunn,P, corr USA, 1994.

5.Bc4 Nf6 6.Nf3 0–0 7.d4 ed4 8.Nd4 Ne4–+ 9.Qd3 d5 10.Bb3 c6 11.0–0 Bc7 12.Qe2 Qd6 13.Nf3?! Bg4 14.g3 Qf6 15.Bd1 Nd7 16.Qe3 Rae8 17.Kg2 Ng3! (18.Qe8 Re8 19.fg3 Qh6–+) 0–1. Stummerer – Merkl, corr SOK–87–11, 1988.

5.Nf3 Nf6 6.d3 0–0 7.Be2 Nc6 8.0–0 Bb6 9.Nbd2 Re8 10.Nc4 Be6 11.Nb6 ab6 12.a3 h6 13.Nd2 d5 14.ed5 Nd5 15.Re1 Nf4 16.Ne4 f5 17.Ng3 Bd5 18.Bf1 Qg5 19.c4 Bf7 20.Qf3 Rad8 21.Bc1 Qg4 22.Bf4 ef4 23.Qg4 fg4 24.Re8 Re8 25.Ne2 f3–+ 26.Nc3 Nd4 27.Nb5 Ne2 28.Kh1 Re7–+ 29.Rd1 Be8 30.a4 Bg6 31.h3 gh3–+ 32.gf3 Nf4 33.Kh2 Bh5 (34.Bh3 Bf3–+; 33...Kf7!? 34.Kg3 h2 35.Kh2–+) 0–1. Meisinger,P – Warzecha,H, corr, 1995.

4.Nf3 Nf6

5.c3 Ba5 6.h3 c6 7.Bc4 Ne4–+ 8.0–0 Bb6 9.d3?? Ng3 10.Re1 Nf5 11.Ng5?? Qg5 (12.Bc1 Qg6–+) 0–1. gtate (1700) – marv (1930), net–chess.com, 2002.

5.Bc4 0–0 6.0–0 Ne4–+ 7.Nc3 Nc3 8.dc3 Bc5 9.h3 Nc6 10.Bd5 Bd7 11.Bc6 Bc6 12.Rb1 Qf6 13.c4 Qg6 14.Qe2 f5 15.Bc3 –+. oracleinshadows – marcosr, net–chess.com, 2005.

5.Qe2 0–0 6.Qc4 Nc6–+ 7.Bd3 Be6 8.Qb5 a6 9.Qb7 Qd7 10.Be5 de5 11.Ne5 Ne5 12.Qb4 Nd3 13.cd3 Qd3 14.Na3 Ne4 15.f3 Rfe8 16.fe4 Bg4 17.Kf2 Re4 18.Qe4 Qe4 19.Rae1 Qf4 20.Kg1 Qd4 21.Kf1 Bf5 22.Re2 Bd3 23.Ke1 Be2 24.Ke2 Re8 (25.Kd1 Qa1 26.Kc2 Qh1–+) 0–1. Stasek,T (1700) – Ceplecha,T (2375), OCC–2002–01, 2002.

5.h3 Nc6 6.Bb5 Ne4 7.0–0 0–0 8.Re1 Nf6 9.c3 Bc5 10.d4 ed4 11.cd4 Bb6 12.Bc6 bc6 13.Nc3 Ba6 14.Qa4 Bb7 15.Ne4 d5 16.Nc5–/+ Qc8 17.Re7 Bc5–/+ 18.dc5 Re8 19.Rae1 Re7–/+ 20.Re7 Qd8 21.Bf6+/– gf6 22.Qg4 Kf8 23.Rd7 Qc8 24.Ne5?? fe5–/+ 25.Qf5 Qe8 26.Rc7 Bc8 27.Qh7 Bd7 28.Qh6 ½–½. gtate (1700) – tobings, net–chess.com, 2002.

4.Nf3 Bg4

5.Be2 Bf3 6.Bf3=+ Nc6 7.0–0 Nge7 8.d4 Nd4 9.Bd4= ed4 10.Qd4 0–0?? 11.Qb4+– Nc6 12.Qb7 Nd4 13.Nd2 Nc2 14.Rac1 Nd4 15.Rc7 Nf3?? 16.Nf3+– a5 17.Rd1 Rb8 18.Qc6 a4 19.Ne5 Rb2?? 20.a3 Rb3?? 21.Nf7!+– Rf7 22.Rf7 Kf7 23.Qc4 Kf8 24.Qa4 Qb8 25.h3 Rb1 26.f3 Qb6 27.Kh2 Rd1 28.Qd1 Ke7 29.Qa1 Kf7 30.a4 g6 31.Qa2 Kf6 32.Qd5 h5 33.a5 Qb8 34.a6 g5 35.Qb7 Qb7 36.ab7 1–0. gtate (1930) – ofi (1800), net–chess.com, 2003.

5.Be2 Nf6 6.c3 Bc5 7.Qb3? (7.h3 Bd7–/+) 7...Qc8?? (7...Nc6 8.d4 ed4 9.cd4 Bf3 10.Bf3 Bd4 11.Nc3–+) 8.Ng5? (better is 8.d4 Bb6 9.de5 Bf3 10.Bf3 de5 11.0–0+=) 8...0–0–+ 9.Bg4?? Ng4 10.h3?? Nf2–+ 11.Rf1 Nc6 12.Qc2? h6 13.Nf3 Nh3 14.d4? ed4 15.gh3 Qh3 16.Nbd2? Qg3 17.Rf2?? Ne5 18.cd4 Nf3?? 19.Nf3= Rae8? 20.dc5+– dc5 21.Qc5?? Re7?? 22.Qe7+– b6 23.Qb4 Re8 24.Qd4 c5 25.Qg7! Qg7 26.Bg7 Kg7 27.e5 1–0. rimazu (2015) – cbreez (2040), net–chess.com, 2015.

3.e4?? Nf6

4.c3 Bd6 5.Bc4 0–0 6.d4 Ne4 7.Bd3 Nf6 8.c4 Nc6 9.Qf3?? ed4 10.Qh3 Bb4 11.Nd2 d5 12.Qh4 Re8 13.Kd1 Ne4! 14.Qh5 Nf6 15.Qh4 Bd2 16.Qg3 Ba5 17.Qh4 Bc3 18.Kc2 Nb4 19.Kb3 Nd3 20.Rd1 Nc5 21.Kc2 Re4 22.f4 Bb2 23.Nf3 Bc3 24.Ng5 Re2 25.Kc1 Bb2 26.Kb1 d3 27.h3 d2 28.Kb2 Nd3 29.Kc2 dc4 30.Qg3 Qd4 31.Rb1 d1Q! 32.Kd1 Nf4 33.Kc1 Qd2# 0–1. Pumphut – baltruma, internet, 2003.

4.f3 d5 5.ed5 Nd5 6.Nc3 Nc3–+ 7.Bc3 0–1. SirGraves – Gervie, ChessWorld.net, 2005.

4.f3 d6–/+ 5.Bc4 0–0–+ 6.Nc3 c6 7.d3? b5 8.Bb3 a5 9.a3 Bc5 10.Nge2 a4 11.Ba2 Re8 12.d4 Bb6 13.Qd2 Be6 14.de5 de5–/+ 15.0–0–0 Ba2 16.Qd8–/+ Rd8 17.Rd8 Bd8 18.Na2 Nbd7 19.Rd1 Be7 20.Ng3 Rd8 21.Nf5 Kf8 22.Ne7 Ke7 23.Bc3 Ne8 24.Nb4 Rc8 25.Na6 Nd6 26.Bb4 c5 27.Bd2? f6 28.g3 Rc6 29.Nb4 cb4 (30.Bb4 Nc5–+) 0–1. Kitvis – AaronB, internet, 2005.

4.Qf3 d6 5.h3 0–0 6.Bc4 c6 7.Bb3 d5 8.ed5 e4 9.Bf6 ef3 10.Bd8 fg2 11.Rh2 Re8 12.Kd1 Rd8 13.dc6 Nc6 14.Rg2 Bf5 15.c3 Bb1 16.Rb1 Bc3–/+ 17.Kc2? Bf6 (18.Nf3 Rac8–/+; better is 17...Bd2!? 18.Nf3 Nb4 19.Kd1 Bh6 20.Ke2 Nd3–+) 0–1. Tanuki – salmo (1760), internet, 2005.

4.Nf3 d6 5.c3 Bc5 6.d4 ed4 7.cd4 Bb4 8.Bc3 Bc3 9.Nc3 0–0 10.Bd3 Nc6 11.h3 Re8 12.0–0 a6 13.a3 b5 14.Qc2 Bb7 15.Rad1 Kh8 16.Ng5 Qe7 17.Qa2 Rf8 18.Bc2 h6 19.Nf3 Na5 20.e5 de5 21.Ne5 Nd7 22.Rfe1 Ne5 23.de5 Nc4 24.a4 Nb6 25.e6 fe6 26.Re6 Qb4 27.Qa1 Qf4 28.Kh1? Bg2!–+ 29.Kg2 Qf2 30.Kh1 Qf3 31.Kh2=+ Qf2 32.Kh1 Qc2 33.Rg1 Qh7 34.Ne4 Rf3 35.Re7 Rh3 36.Kg2 Rh4 37.Ng3 Nd5 38.Nf5 Rg4 39.Kh3 Rg1 40.Qg1 Qf5 41.Kh2 Ne7 0–1. Simdjankin,Evgeny – Rutkovsky,Andrey, UKR–ch U16 sf, 2004.

3.Be5 Bc5??

4.Nf3?? d6?? 5.Bg7+– Nh6 6.Bh8 Ng4 7.e3 Nf2 (7...Qe7+–) 8.Kf2 Bg4 9.Be2 Bf5 10.Rf1 Nd7 11.Kg1 Qe7 12.Nd4 0–0–0 (12...Bg6 13.Bg4 Qf8 14.Bd7 Kd7+–) 13.Nf5 Qg5 14.Bd4 (Better is 14.h4 Qf5 15.Rf5 Rh8+–) 14...Bd4 15.Nd4 Rg8 16.Bf3 Ne5 17.Nc3 Nf3 18.Qf3 Kb8 19.Rab1 c6 20.Nc6 Kc7 21.Qf7 Kc6 22.Qb7 Kc5 23.Ne4 Kc4 24.Ng5 Rg5 25.Rf4 Kc5 26.Qb5# 1–0. bashful – Replevin, Live Game Caissa's Web, 2004.

4.Nf3?? Nf6 =.

4.Bg7+– Bd4 5.Bd4 Nf6 6.e3+–.

4.Bg7+– d6 5.Bh8 Be6 6.e3 Nf6 7.Qf3 Nd5 8.a3 Ba5 9.Bc4 Kd7 10.Bd5 Qh8 11.Ra2 Rg8 12.Ne2 Kc8 13.Nbc3 Qg7 14.g3 Ne5 15.Qe4 Bd5 16.Nd5 Re8 17.Qa4 Nc6 18.0–0 Qg5 19.c4 (19...Bb6 20.d4+–) 1–0. Bendig,Frank – Vetter,Udo, CiF, 2002.

4.Bg7+– d6 5.Bh8 Nf6 6.e4 Ke7 7.Bf6 Kf6 8.Qf3 Kg7 9.Bc4 Ne5 10.Qg3 Kh8 11.Nf3 Nc4 12.0–0 Qf6 13.Re1?? Qa1–+ 14.Qh4 Qg7 15.e5?? Bf5?? 16.ed6 Rg8–/+ 17.g3 Bd6 18.d3?? Ne5–+ 19.Nd4 Qg5 20.Qg5–/+ Rg5 21.f4 Bc5 22.Kg2 Rh5 23.Nf5+= Rf5 24.Re5 Re5 25.fe5 Bd4 26.Kf3 Be5 27.Ke4 Bb2 28.Nd2 Kg7 29.Nb3 Kg6 30.Na5 b6 31.Nc6 a5 32.d4 h5 33.Ne5 Kf6 34.Nc4 ½–½. gtate (2020) – mlaurent (2020), net–chess.com, 2006.

4.Bg7+– Ke7 5.e3 f6 6.Qh5 h6 7.Bh8 d6 8.Bc4 Be6 9.Be6 Ke6 10.Ne2 Qe7 11.Nf4 Kd7 12.Qg4 Ke8 13.Qg8 Qf8 14.Qf8 Kd7 15.Qa8 a5 16.Nd5 h5 17.Nf6 Ke6 18.Qc8 Ke7 19.Qe8# 1–0. pierre – bonka_z, internet, 2006.

4.Bg7+– Bf2 5.Kf2 Qh4 6.g3 Qg5 7.Bh8 Nh6 8.Nf3 Qc5 9.Bd4 Ng4 10.Kg2 Qd5 11.e4 Qe6 12.Bd3 Nc6 13.Bb2 d5 14.Re1 Nge5 15.Ne5 Ne5 16.ed5 Qd5 17.Be4 Qd6 18.Be5 Qe5 19.Bb7 Bb7 20.Kg1 (20...Be4 21.d4+–) 1–0. bloodymama – anthro50, Caissa.com, 2004.

4.Bg7+– Nf6 5.Bh8 Bd4 6.c3 Bf2 7.Kf2 Ng4 8.Ke1 Qh4 9.g3 Qg5 10.Qc2 d6 11.Qh7 Bf5 12.Qg7 Qh5 13.Bg2 Nc6 14.Qg8 Kd7 15.Qa8 Qh7 16.Qb7 Ne7 17.Bd4 Bb1 18.Qb1 (18...Qh6 19.Qb5 Kd8 20.Qb8 Kd7 21.Qa7+–) 1–0. wesolyPolak – sab22, GameColony.com, 2002.

4.Bg7+– Nh6 5.Bh8 f6 6.e4 Ke7 7.Bg7 Nf7 8.Qf3 Ke8 9.c3 Nce5 10.Qf6 Qf6 11.Bf6 Bd6 12.d4 Ng4 13.Bh4 Bh2 14.Be2 Nfh6 15.f3 Ne3 16.Kd2 Bf4 17.g3 Nf1 18.Kd1 Ne3 19.Kc1 Bd6 20.Bg5 (20...Nef5 21.ef5+–) 1–0. pereira – arun lobo, internet, 2006.

4.Bg7+– Qh4

5.e3 d5 6.Nf3 Qe7 7.Bh8 f6 8.d4 Bb6 9.Be2 Bg4 10.h3 Bf3 11.Bf3 Qb4 12.Nd2 c6 13.Bh5 Kf8 14.Qg4 Qe7 15.Bg7! Qg7 16.Qc8 Ke7 17.Qb7 Nd7 18.Qa8 Qg2 19.Bf3 Qg6 20.Qc6 Ba5 21.Bd5 Bb6 22.Qe6 Kd8 23.Qg8 Qg8 24.Bg8 Kc7 25.Bh7 a5 26.Rb1 Nf8 27.Be4 Ne6 28.d5 Nc5 29.d6! Kd7 30.Rb6 Ne6 31.Bf5 a4 32.Rg1 a3 33.c4 Ke8 34.Be6 Kd8 35.Rg8# 1–0. mrkt – NN, GameColony.com, 2002.

5.e3 Nf6 6.Nf3 Qe4 7.Nc3 Qf5 8.Bh8 Ng4 9.Bd3 Qe6 10.Ng5 Qc6 11.Qg4 Na6 12.Qh5 Kd8 13.Qf7 Qg2 14.Bf6 (14...Be7 15.Qe7#) 1–0. pierre – rehan13, chesspark.com, 2008.

5.e3 Nf6 6.Bh8 Ne4 7.Qf3 d5 8.g3 Ng5 9.gh4 Nf3 10.Nf3 Nc6 11.Rg1 Kf8 12.Bg7 Kg8 13.Bd4 Kf8 14.Bc5 Ne7 15.Ng5 f5 16.Be7 Ke7 17.Nh7 b6 18.d4 a6 19.c4 dc4 20.Bc4 b5 21.Bd5 b4 22.Ba8 (22...Bd7 23.Rg7 Kd8 24.Nf6+–) 1–0. 73DADDELDU37 – Manolito@, mySchach.de, 2005.

5.e3 Nh6 6.Nf3 Ng4 (6...Qg4 7.Bh8 Qg8+–) 7.Nh4 Rg8 8.Qg4 b6 9.Qe4 Be7 10.Qa8 (Better is 10.Nf5 Nc6 11.Ne7 d5 12.Nd5 Be6 13.Nc7 Ke7 14.Qc6 Rad8+–) 10...Rg7 11.Nf5 Bf6 12.Qb8 Ba1 13.Qc8 1–0. market (1870) – EastBostonChess, GameColony.com, 2002.

5.Nf3 Qf4 6.e3 Qg4 7.Bh8 d5 8.Nc3 Bf5 9.Nd5 0–0–0 10.Nb4 Nb4 11.d3 Bd3 12.cd3 Ne7 13.Be5 Ned5 14.h3 Nd3 15.Qd3 Qb4 16.Nd2 Nc3 17.Qc3 (17...Qc3 18.Bc3+–) 1–0. vik – antonis, Caissa's Web live, 2001.

5.g3 Qe4 6.f3 Qa4 7.Bh8 Bd4 8.Bd4 Qd4 9.Nc3 Nc6 10.Nb5 Qc5 11.Nc7 Kd8 12.Na8 Nb4 13.c3 Nd5 14.Bh3 Qf8 15.Qa4 Qh6 16.Rb1 Qc6 17.Qc6 dc6 18.Bc8 Kc8 19.e4 Ndf6 20.Ne2 Kb8 21.Nb6! ab6 22.Rb6 Nd7 23.Rb4 Ne5 24.Nd4 Nd3 25.Ke2 Nb4 26.cb4 Nf6 27.Nf5 Nd7 28.Rc1 Ne5 29.Rb1 Nc4 30.Ne7 Na3 31.Rb3 Nb5 32.a4 Nd4 33.Ke3 Nb3 ½–½. Hansen,Torben1 – Kahlert,Philipp, Schleswig Holstein–ch U16 VMB, 2004.

5.g3 Qe4 6.Nf3 Nf6 7.Bh8 Nd5 8.Nc3 Bc3 9.Bc3 Nce7 10.Bg2 Nf5 11.0–0 b6 12.Nh4 Qg4 13.Bd5 c6 14.Bf3 Qh3 15.Bg2 Qg4 16.Nf5 (16...Qf5 17.e4+–) 1–0. gtate (1900) – pjaraujo (2000), net–chess.com, 2004.

5.Bh8 Bc5 6.e3 Nh6 7.Nf3 Qg4 8.Be5 d6 9.Bg3 d5 10.Be2 Qg7 11.Nc3 d4 12.Nb5 f6 13.Nc7 (13...Ke7 14.ed4 Bd4 15.Nd4 Nd4 16.Na8+–) 1–0. AbstractPoetic – pbulkers, internet, 2007.

3.Be5 Nc6??

4.a3 Ba5?? 5.Bg3 d5 6.Nf3 Nf6 7.c3 0–0 8.d4 Bg4 9.Nh4 Ne4 10.f3? Nc3–+ 11.Qb3 Nb1 12.Kf2 Nd2 13.Qc2 Bh5 14.Bf4 Nf1 15.Rhf1 Qh4 16.Bg3 Qd4 (17.e3 Bg6–+) 0–1. Gregor123 – Dragonwolves, mySchach.de, 2004.

4.Bb2?? Nge7 5.Bg7 Rg8 6.Bf6 Nd5 7.Bd8 Nd8 8.e4 Nf4 9.Bc4 Ng2 10.Kf1 Nf4 11.Qf3 Nfe6 12.Be6 fe6 13.Nh3 d6 14.Nf4 a5 15.Nh5 Bd7 16.Nf6 Ke7 17.Ng8 Ke8 18.Qh5 Kf8 19.Nf6 Ba4 20.Qh6 Ke7 21.Rg1 Bc2 22.Rg7 Nf7 23.Qh7 Bd3 24.Kg1 Rf8 25.Ng8 Ke8 26.Rf7 Rf7 27.Qh8 Be4 28.Nf6 Ke7 29.Ne4 d5 30.Nec3 Bc5 31.d3 Bf2 32.Kh1 c5 33.Nd2 Bd4 34.Nb5 Bh8 35.Nc7 Ba1 36.Nf3 Rf3 0–1. rompiscacchiera – rusalka, internet, 2001.

4.c4?? Ne5 5.Qb3 c5 6.e3 Rb8 7.Qb2 f6 8.Nc3 Bc3 9.Qc3 b5 10.cb5 Ne7 11.Qc5 Qa5 12.Rc1 Rb5?? 13.Bb5+– Qa2 14.d4 Qa5 15.Kd1 Ba6 16.Bd7! Nd7 17.Qa5 Bb7 18.Nf3 Nc6 19.Qb5 Ba8 20.d5 Nce5 21.Ne5 fe5 22.Rc7 0–0 23.Qd7 a5 24.Qg7# 1–0. Van Rooijen,Peter – Karlsson,Roger, IECC, 2000.

4.Bg3?? d5 (--> 1.b4 e5 2.Bb2 d5 3.Be5 Nc6 4.Bg3 Bb4).

4.Bg3?? d6 5.Nf3 Bf5 6.e3 Nf6 7.c3 Ba5 8.Qb3 (8.Bb5 Bb6=) 8...Rb8 (8...Bb6 9.Be2=) 9.d4 (9.Bc4 0–0=) 9...Ne4 10.Bc4 0–0 11.0–0 Ng3 12.hg3 Qg5?? (Better is 12...Bb6=+) 13.Ng5+– Bb6 (13...Bg6 14.Rd1+–) 14.Nf3 Na5 15.Qa4 Rfd8 16.Be2 Bd7 17.Qc2 g6 18.Bd3 Nc6 19.Nbd2 Ba5 20.Ne4 Bf5 21.Nf6 Kg7 22.Bf5 Kf6 23.Bh3 Kg7 24.Nh4 Ne7 25.f4 f5 26.g4 fg4 27.Bg4 Re8 28.f5 g5 29.f6 Kg8 30.Be6 Kh8+– 31.fe7 Re7 32.d5 gh4 33.Rf7 Rf7 34.Bf7 Rf8 35.Be6 Rf6 36.Rf1 Rg6 37.Qf5 Bc3 38.Qf8 (38...Rg8 39.Qg8#) 1–0. Slavisa666 – jakesh, Live Game Caissa's Web, 2004.

4.Bg7+– Ba3 5.Nc3 Bb2 6.Rb1 Bc3 7.dc3 f6 8.Qd2 h5 9.Bh8 1–0. Galagus – GibaGlobo, playchess.de, 2001.

4.Bg7+– Bd2 5.Nd2 Qg5 6.Bh8 f6 7.Ngf3 Qc5 8.Nb3 Qb4 9.Qd2 Qg4 (10.Qe3 Nce7+–; 9...d6 10.Qb4 Nb4 11.Nbd4+–). topalov2700 Kid – mferzman, ChessWorld.net, 2007.

4.Bg7+– Nge7 5.Bh8 d5 6.a3 Bc5 7.Bb2 Qd6 8.e3 Bf5 9.Nf3 0–0–0 10.d4 Bb6 11.c4 dc4 12.Bc4 Bg6 13.Nc3 Ba5 14.Bd3 Nd5 15.Qc2 Re8 16.Kd2 Kb8 17.Bg6 hg6 18.Kc1 Bc3 19.Bc3 f5 20.Qb3 Nb6 21.Rb1 Qe6 22.Qe6 Re6 23.Rd1 Rd6 24.Ne5 Na4 25.Bb4 Re6 26.Nc6 Rc6 27.Kd2 Nb6 28.Rdc1 Rf6 29.Rc2 Rf7 30.Rd1 g5 31.Kd3 Rd7 32.f3 Kc8 33.e4 fe4 34.fe4 1–0. Van Oosterom,Chiel – Azadmanesh,Hanif, NED–ch U14 Rijswijk, 2000.

4.Bb2 Nf6

5.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2).

5.Nf3 0–0 6.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 0–0 6.Nf3).

4.c3??

4.c3?? Ne5+= 5.a3?? Be7–+ 6.Nf3 Nf3 7.gf3 Nf6 8.e4 d5 9.Rg1 de4 (better is 9...0–0 10.e5 Nh5 11.Qc2–+) 10.Bb5 (10.fe4 0–0 11.Qf3–+) 10...c6 11.Bc4 b5 12.Bb3 Qd3 (12...Qd6 13.Rg7 Qh2 14.Qe2–+) 13.Bc2 (13.Rg7 ef3 14.Bc2 Qd5–+) 13...Qd6 14.Be4 0–0 15.d4 Qh2 16.Kd2 (16.Ke2 Be6–+) 16...Qf2 17.Kc1 Rd8 (17...Ne4 18.fe4 Qe3 19.Kb2 Qe4 20.Nd2–+) 18.Nd2 (18.Bc6 Rb8 19.Qe1 Qh2–+) 18...Qe3 19.Ra2 (19.Kb2 Ne4 20.Ne4–+) 19...Qc3 20.Qc2 Qd4 21.Bc6 (21.Rh1 Ne4 22.Qe4 Ba3 23.Kb1 Qd3 24.Ka1–+) 21...Qg1 22.Kb2 Rb8 (22...Bf5 23.Ba8 Bc2 24.Kc2–+) 23.Ra1 Qf2 (23...Qd4 24.Kb1–+) 24.Rf1 Qe3 (24...Qd4 25.Kb1 Qd2 26.Qd2 Rd2 27.Kc1–+) 25.Rd1 Rd3 (better is 25...Qa3 26.Kb1 Rd4–+) 26.Nf1 Ba3 (26...Qd4 27.Kb1 Rd1 28.Qc1 Qd3 29.Kb2 Rc1 30.Kc1 Ba3) 27.Kb1 Rd1 28.Qd1 Qe7 (better is 28...Bf5 29.Ka2 Be6 30.Kb1–+) 29.Qd3 Qe1 30.Ka2 Be6 31.Ka3 Qa1 32.Kb4 a5 33.Kc5 Qc1 34.Kd6 Rd8 35.Kc7 Rd3 0–1. jmcauley (1800) – naskme (2120), net–chess.com, 2013.

4.c3?? Ne5 5.cb4 Qe7 +=.

4.c3?? Be7?? 5.Bg7+– Bf6 6.Bh8 Bh8 7.e3 d5 8.Qa4 Bd7 9.Qb5 Nd4 10.Qd5?? (better is 10.Qb2 Nc6 11.d4+– (11.Qb7?! Rb8 12.Qa6 Nb4 13.cb4 Ba1+–)) 10...Nc2–+ 11.Kd1 Na1 (better is 11...Bg4 12.Kc2 Qd5–+) 12.Bc4 (12.Qe4 Ne7 13.Qh7 Ng6=) 12...Ba4–/+ 13.Ke1 (13.Kc1!? Qd5 14.Bd5+=) 13...Qd5–+ 14.Bd5 Nc2 15.Kf1 c6 16.Be4 Nf6 17.Bd3 0–0–0 18.Ke2 Bb5?? (better is 18...Rg8!?–/+) 19.c4 (19.Bb5!? cb5 20.Nf3+=) 19...Ba4 20.Nc3 Nb4?? (better is 20...Rd3 21.Kd3 Nb4 22.Ke2 Bc2–/+) 21.Bf5+/– Kb8 22.Na4+– b5 23.cb5 cb5 24.Nc3 a6 25.Nf3 Nfd5 26.Nd5 Rd5 27.Bh7 Na2 28.Bc2 Kb7? 29.Be4 (29.Be4 Kc6 30.h4+–) 1–0. Willi_weizenkeim – Jefersonmello, playchess.de, 2002.

4.Bg7+– Bc5

5.e3 d5 6.Bh8 Be6 7.Nf3 Qe7 8.Bb5 Nf6 9.Bc6 bc6 10.Ne5 Ne4 11.Qh5 Qd6 12.f3 Nc3 13.Nc3 1–0. themonkey (2025) – NN, GameColony.com, 2002.

5.e3 d5 6.Bh8 Qe7 7.d4 Nd4 8.Bd4 Bb4 9.Bc3 Bc3 10.Nc3 Qb4 11.Rb1 Qc3 12.Qd2 Qc5 13.Rb5 Qc6 14.Rd5 Qf6 15.Bb5 c6 16.Rd6 Qa1 17.Ke2 Bg4 18.f3 Be6 19.Rc6! bc6 20.Bc6 Ke7 21.Ba8 Bc4 22.Kf2 Nf6 23.Qb4 Kd7 24.Qc4 Qd1 25.Qf7 Kc8 26.Qf6 Qc2 27.Ne2 Qa4 28.Rc1 Kd7 29.Bc6 Qc6 30.Qc6 Ke7 31.Qa6 Kd7 32.Rc6 Ke7 33.Qa7 Kd8 34.Qh7 Ke8 35.Rc8# 1–0. Tumminelli,Enzo – Mamiani,Alfredo, Saarland–ch U18, 1992.

5.e3 d5 6.Bh8 Bf5 7.Nf3 Qd7 8.Bb5 a6 9.Ne5 Qd6 10.Bc6 bc6 11.d4 Bb6 12.0–0 f6 13.Qh5 Kd8 14.Nf7 Kd7 15.Nd6 Kd6 16.Qf5 Ne7 17.Qf6 Kd7 18.Nd2 (18...c5 19.Nf3+–) 1–0. michaelbuss – Mark Gascoigne, ChessWorld.net, 2006.

5.e3 d5 6.Bh8 Bf5 7.g4 Bg6 8.Nf3 Qe7 9.Bb5 Qe6 10.Bd4 0–0–0 11.Bc5 Nf6 12.Qe2 Ng4 13.Bc6 Qc6 14.Nd4 Qc5 15.Qg4 Kb8 16.Nc3 Qc4 17.Rb1 Ka8 18.Rb3 Bc2 19.Qg5 Re8 20.Nc2 1–0. wiking – microcephalec, internet, 2009.

5.Bh8 Qh4 6.e3 f6 7.Nf3 Qh6 8.Nc3 d6 9.Be2 Bg4 10.h3 Bf3 11.Bf3 0–0–0 12.Bc6 bc6 13.Qg4 Kb8 14.Rb1 Bb6 15.a4 a5 16.Bg7 Qg6 17.Qg6 hg6 (18.Ne4 f5+–). marcosr – tjensen (1895), net–chess.com, 2005.

4.Bg7+– d5

5.c3 Nge7 6.Bh8 Ba5 7.Bf6 Qd6 8.Bh4 Bg4 9.Nf3 0–0–0 10.Qa4 h5 11.Be7 Qe7 12.e3 Bb6 13.d4 h4 14.Nbd2 Qf6 15.Be2 Rg8 16.h3 Bd7 17.Qc2 Rg2 18.Bf1 Rg6 19.0–0–0 Rg7 20.Bd3 Rg2 21.Rdf1 Be6 22.e4 Kb8 23.e5 Qf4 24.Kb1 f6 25.ef6 Qf6 26.Rfg1 Rg1 27.Rg1 Bh3 28.Kb2 Ne7 29.Re1 Bg4 30.Ne5 Bc8 31.f4! Qf4 32.Nd7! Bd7 33.Re7 Bc8 34.Re8 Qf7 35.Rh8 Qf6 36.Rh5 Be6 37.Nf3! Qf3 38.Rh8 Bc8 39.Bf5 a6 40.Bc8 Ka7 41.Rh4 Ba5 42.Rh2 Qf8 43.Qa4 Bc3 44.Kc3 Qc8 45.Qb4 Qd7 46.Qc5 b6 47.Qf8 Qc6 48.Kd2 Qc4 49.Rh8 Qd4+/– 50.Ke2 Qe4 51.Kf2 Qc2 52.Kg3 Qg6 53.Kf4 Qe4 54.Kg5 Qe5 55.Kg6 ½–½. carrafurca (2290) – useme (2375), net–chess.com, 2006.

5.c3 Bf8 6.Bh8 f6 7.e3 Nge7 8.Bd3 Nf5 9.Qh5 (9...Kd7 10.Bf5 Kd6 11.Qh7+–) 1–0. Trkn – game1, itsyourturn.com, 2000.

5.e3 d4 6.Qf3 Qe7 7.Bb5 Bd7 8.Ne2 0–0–0 9.0–0 Ne5 10.Bd7 Rd7 11.Qh3 Kb8 12.Bh8 f6 13.Nd4 Ng6 14.c3 Bc5 15.Nf5 Qe6 16.d4 Bf8 17.Bf6! Nf6 18.Nd2 Rf7 19.c4 Bb4 20.Nb3 Ne4 21.Ng3 Qh3 22.gh3 Ng5 23.f4 Nh3 24.Kg2 Nhf4 25.ef4 Rf4 26.Rf4 Nf4 27.Kf3 Ng6 28.Rf1 Be7 29.Ke4 Kc8 30.Rf7 h6 31.Nf5 Bg5 32.Nh6! Bh6 33.Rf6 Bf8 34.Rg6 (34...Kd7 35.h4+–) 1–0. pumpkin (2085) – escargot, net–chess.com, 2002.

5.e3 Bf5 6.Bh8 (6...Qd7 7.a3+–) 1–0. Familyfork – pardus, Live Game Caissa's Web, 2004.

5.e3 Qg5 6.Bh8 f6 7.Nf3 Qh6 8.Be2 Bg4 9.h3 Bh5 10.0–0 0–0–0 11.c3 Ba5 12.Nd4 Be2 13.Qe2 Nge7 14.Qg4 f5 15.Nf5 Nf5 16.Qf5 Kb8 17.Bd4 Ne7 18.Qf6 Ng8 19.Qd8 1–0. gtate (1625) – dhbruch (1660), net–chess.com, 2001.

5.Bh8 Be6 6.Bb2 Bc5 7.Nf3 Nf6 8.e3 Qe7 9.Bb5 Bd7 10.Nc3 0–0–0 11.h3 d4 12.Ne2 de3 13.fe3 Nb4 14.Bd7 Rd7 15.Ned4 Qe4 16.0–0 Nh5 17.Ng5 Qg6 18.Ngf3 f6?? 19.a3 Nd5 20.g4 Ng3 21.Rf2 h5 22.Rg2 Ne4 23.gh5 Qh5 24.Rg8 Rd8 25.Rd8 Kd8 26.Ne6 Ke7 27.Nc5 Nc5 28.Kh2 f5 29.Qf1 Ne4 30.Qg2 f4 31.Qg7 Kd6 32.Qe5 Qe5 33.Be5 Kd7 34.ef4 Nef6 35.c4 c6 36.cd5 Nd5 37.Rb1 (37...b6 38.f5+–; 37.f5!? Nb6+–) 1–0. lea_dc – QueenAmyitis, internet, 2005.

5.Bh8 f6 6.c3 Bd6 7.d4 Qe7 8.e3 Be6 9.a4 (9.Qh5 Qf7 10.Be2 Nce7 11.Qf7 Kf7 12.Bh5 Ng6 13.Bg6 hg6+–) 9...0–0–0 10.a5 (Better is 10.Qf3!? f5 11.Bb5 Nb8+–) 10...Nh6 11.Bf6 (Better is 11.a6!? b6 12.Qh5 Nf7+–) 11...Qf6 12.h3 a6 13.Ba6 ba6+= 14.Qd3 Nb8 15.Nf3 Bf5 16.Qe2 Be6 17.Na3 Rg8 18.g4 Rf8 19.g5 Qf3–/+ 20.Qf3 Rf3 21.gh6 Rf6=+ 22.Nc2 Nc6 23.h4 Rh6 24.f3 Bg3 (25.Kd2 Bh4=+; 24...Rf6!? 25.Ke2 Bf5=+) =+. PoPer – dph, Live Game Caissa's Web, 2004.

5.Bh8 f6 6.e3 Bf5 7.c3 Bd6 8.Qh5 Bg6 9.Qd5 Nce7 10.Qe6 Bf7 11.Qh3 Ng6 12.Qh7 Qe7 13.Ne2 0–0–0 14.Nd4 c5 15.Nf5 Qe6 16.a3 Ne5 17.Bg7 a6 18.Bf6 Qd5 19.Qh5 Re8?? 20.Be5 Be7 (21.Qg4 Qe5 22.Nd6 Kb8 23.Nf7 Qf6+–; 20...Bh5 21.Nd6 Kd8+–) aschellen (1970) – casi_nadie, internet, 2007.

5.Bh8 Nf6 6.Bf6 Qf6 7.c3 Bg4 8.Nf3 Bf8 9.Qa4 Bf3 10.ef3 0–0–0 11.Be2 d4 12.0–0 d3 13.Qg4 Kb8 14.Bd1 Bg7 15.Qe4 Ne5 16.Qh7 Rh8 17.Qe4 Rh4 18.Qd5 c6 19.Qb3 Rh6 20.Re1 Qh4 21.h3 Rg6 22.Re4 Qh3 23.g3 Rg3 24.fg3 Qg3 25.Kf1 Qh3 26.Kf2 Qh2 27.Kf1 Qh1 28.Kf2 Qh2 29.Ke3 Qg1 30.Kf4 Bh6?? 31.Ke5+– Qg5 32.Kd4 Qd8 33.Kc4 Qd5 34.Kb4 Bf8 35.Ka4 b5 (36.Ka5 Qd8 37.Ka6 Qb6#) 0–1. Borup,John – Wilton,Tim, IECC, 2001.

5.Bh8 Bg4 6.h3 Bh5 7.Bc3 Bc5 8.d4 Bd6 9.Nd2 Nf6 10.Ngf3 Qe7 11.e3 0–0–0 12.Be2 Rg8 13.0–0 Qe6 14.Ng5! Be2 15.Ne6 Bd1 16.Rfd1 fe6 17.e4! Nh5 18.e5 Be7 19.Nf3 Nf4 20.Kh1 Rg2+/– 21.Rg1?? Rf2–/+ 22.Rg8 Kd7 23.Rag1?? Rf3–+ 24.Rh8 Rh3 0–1. gtate (1930) – tbrannon (1930), net–chess.com, 2005.

5.Bh8 Bf5

6.a3 Ba5 7.Nf3 f6 (7...Nf6+–) 8.Bg7 (8.Nh4!? Be6+–) 8...h6 (8...Kf7 9.Bh8 Nh6 10.Nc3+–) 9.g3 (9.Bh8 Qd7 10.c4 dc4 11.Qa4+–) 9...Qd7 10.Bh6 Nh6 11.Bg2 0–0–0 12.0–0 Bb6 (12...Rh8 13.e3+–) 13.e3 (13.d4 Re8+–) 13...Rh8 (13...d4 14.ed4 Nd4 15.d3+–) 14.h4 (14.d4 Nd8+–) 14...Ne5 (14...d4 15.c3 d3 16.Nd4+–) 15.Ne5 fe5 16.Nc3 c6 17.Na4 Ba5 18.Nc5 Qd6 19.d4 Bc3 20.Rb1 b6 (20...Rh7 21.Rb3 ed4 22.ed4+–) 21.Rb3 Bd4 (21...bc5 22.Rc3 ed4 23.ed4+–) 22.ed4 bc5 23.de5 Qe5 24.Re1 Bc2 (24...Qc7 25.Bd5 Rd8 26.Qe2 Rd5 27.Qa6 Kd8 28.Rb7+–) 25.Re5 (better is 25.Bh3 Nf5 26.Qc1+–) 25...Bd1 26.Rc3 Nf7 (26...c4 27.Re7+–) 27.Re6 (27.Re7 Nd8 28.Rc5 Kb8+–) 27...Ba4 (27...Kd7 28.Re1 Bg4 29.Rc5 Kd6+–) 28.Rc5 (28.Re7 Nd8 29.Rc5 Kb8+–) 28...Kd7 (28...Kb7 29.f4+–) 29.Rf6 (29.Bh3 Ra8 30.Rc3 Bb5+–) 29...Ne5 (29...Ke7 30.Rf4 Bb5+–) 30.Ra5 d4 (30...Ke7 31.Rf5 (31.Ra4?! Kf6 32.f4 Ng4+–) 31...Nd7 32.Ra4+–) 31.Ra4 (31.Ra7 Kd8 32.Rd6 Ke8 33.Re6 Kf8 34.Re5 Rh6 35.Ra4 Rd6 36.Ra8 Kf7 37.Ra7 Kf8 38.Rf5 Kg8 39.Be4 Re6 40.Rg5 Kf8 41.Bh7 Re1 42.Kg2 Re7 43.Rf5 Rf7 44.Rff7 Ke8 45.Bg6 d3 46.Ra8#) 31...d3 (31...Ke7 32.Rf5 Nd7 33.Bc6 Nf6 34.Ra7 Ke6+–) 32.Ra7 Kc8 33.Ra8 Kb7 34.Rh8 d2 35.Rd6 Nc4 36.Rd4 (36.Rh7 Ka6 37.Rc6 Ka5 38.Ra7 Kb5 39.Rb7 Ka5 40.Rc5 Ka6 41.Rc4 d1Q 42.Kh2 Qd7 43.Rd7 Kb5 44.Rb4 Kc5 45.Rd5 Kc6 46.Ra5 Kc7 47.Ra7 Kd6 48.Ra6 Ke5 49.f4 Kf5 50.Bh3#) 36...Kb6 37.Rhd8 c5 38.Rc4 Kb5 39.Rc2 (39…Ka4 40.Rb2 d1Q 41.Rd1 c4 42.Rd6 Ka5 43.Rd8 Ka4 44.Ra8#) 1–0. Mutley – marcchabot, ChessWorld.net, 2002.

6.Bb2 Qe7 7.e3 0–0–0 8.Nf3 d4 9.Nd4 Nd4 10.c3 (better is 10.Bd4 Rd4 11.c3+–) 10...Nc2–/+ 11.Qc2?? (better is 11.Ke2 Bd6 12.h3=+) 11...Bc2–+ 12.cb4 Qb4 (better is 12...Bb1 13.Bc3 Bd3–+) 13.Bc3–/+ Qb6 14.Be2?? (better is 14.Na3 Bd3 15.Bd3 Rd3 16.0–0–/+) 14...Bb1–+ 15.0–0 Be4 16.Bd4 Qg6 17.f3 Bf5 18.Kh1 a6 19.Rac1 Nf6 (better is 19...Bd3 20.Bd3 Qd3 21.Bc3–+) 20.Bb6 Rd7 21.Rc3 Nd5 (22.Ba5 Nc3 23.Bc3 Bd3 24.Bd3 Qd3–+) 0–1. Hardin – libertybmx21, Live Game Caissa's Web, 2004.

6.Bc3 Qe7 7.e3 0–0–0 8.Nf3 Nf6 9.a3 Bc5 10.d4 Bb6 11.Bd3 Bg6 12.0–0 Re8 13.Bg6 fg6 14.Qe1 Ne4 15.Bb2 h5 16.Ne5 g5 17.f3 Nd6 18.a4 Nf5 19.Nc3 Ne3 20.a5 Bd4 21.Nc6 bc6 22.Ba3?? Nf1 23.Kf1 Qe1 24.Re1 Re1 25.Ke1 Bc3 26.Ke2 Ba5 27.Kd3 Kb7 28.h3–/+ Kb6 29.g4=+ hg4 30.hg4 Kb5 31.Be7 c5 32.Bg5 Bb6 33.Be3 c6 34.g5+/– Bd8 35.g6 Bf6 36.Bg5 Bg7? 37.f4+– c4 38.Ke2 Kc5 39.f5 Kd6 40.f6 Bf6 41.Bf6 Ke6 42.g7 Kf7 43.Ke3 c5 44.c3 a5 45.Kd2 a4 46.Kc2 a3 47.Kb1 d4 48.cd4 c3 49.dc5 a2 50.Ka2 c2 51.Kb2 c1Q 52.Kc1 (52...Kg8 53.c6 Kf7 54.c7 Ke6 55.g8Q Kf6 56.c8Q Ke5 57.Qc5 Kf4 58.Qgg5 Ke4 59.Qge3) 1–0. tanto – yvesr (1615), net–chess.com, 2002.

6.Nf3 Nge7 7.a3 Ba5 8.Nc3 d4 9.Nb5 Bb6 10.e3 Ng6 11.Nbd4 Nh8 12.Nf5 Qf6 13.Bd3 0–0–0 14.Be4 Na5 15.d4 Re8 16.Ne5 Ng6 17.f4 Nc4 18.Qf3 c6 19.Nc4 (19...Kc7 20.0–0+–) 1–0. pierre – opponent, internet, 2008.

6.Nf3 Nf6 7.e3 Qd6 8.Bb5 0–0–0 9.Bc6 Qc6 10.Nd4 Bc2 11.Nc6 Bd1 12.Nd8 Kd8 13.Bf6 Kd7 14.Kd1 1–0. Acevedo,Daiana – Mitchell,Dave, CSF–ch U12 Girls, 1999.

4.Bg7+– d6

5.Bh8 Bf5 6.Bb2 Bc5 7.e3 Nb4 8.Na3 a6 9.Nf3 Qe7 10.Be2 0–0–0 11.0–0 Nf6 12.d4 Bb6 13.c3 Nc6 14.Nc4 Ba7 15.Ba3 Qf8 16.Nce5! Ne5 (16...de5 17.Bf8 Pinning (17.Bf8 Deflection)) 17.de5 Ng4 (17...Ne4 18.ed6 Nd6 19.Qd5+–) 18.ed6 (18.Nd4 Nh2 19.ed6 c5 20.Nf5 Nf1 21.Kf1 Rd7+–) 18...cd6 (18...Qh6 19.Qa4 Bb6 20.Rad1+–) 19.Nd4 Bd4 (19...Nh2 20.Kh2 Be4 21.Bg4 Kb8 22.Bf3+–) 20.Bg4 Bc5 21.Bf5 Kb8 22.Bc5 dc5 23.Qf3 Qg7 24.Rab1 f6 25.Rb6 Re8 26.Rfb1 Re7 (26...Qg2 27.Qg2 Re4 28.Rb7 Ka8 29.Rb8 Ka7 30.R1b7) 27.Be4 (27.Qc6! Qg2 28.Qg2 Ka8 29.Rb7 Re3 30.Rh7 Re4 31.Be4) 27...Kc8 28.Bb7 Kd8 29.Bc6 Rc7 (29...Qf8 30.Rb8 Kc7 31.R1b7 Kd6 32.Qd5) 30.Rb8 Ke7 (30...Rc8 31.Qd5 Ke7 32.Qd7 Kf8 33.Rc8) 31.Qe4 Kf7 32.Qe8 1–0. Jonsson,Pall G (1825) – Davidsson,Joshua, Reykjavik Open, 2016.

5.Bh8 f6 6.c3 Bc5 7.d4 Bb6 8.e3 Bf5 9.Qf3 Qd7 10.Bc4 0–0–0 11.Bg8 (Better is 11.Nd2 d5 12.Qd5 Qd5 13.Bd5 Rd5+–) 11...Rg8 12.Bf6 Bg4 (12...d5 13.Nd2+–) 13.Qe4 (13.Qf4 Bf5 14.Nf3 Qe6+–) 13...Bf5 14.Qf4 Bg6 15.Nf3 Nd8 16.Qh4 Nf7 17.Nbd2 c5 18.g3 cd4 19.cd4 Ba5 20.Rc1 Kb8 21.Ke2 Qa4 22.Rhd1 Qa3 23.Kf1 Qd3 24.Kg2 Qb5 25.Qg4 Bc7 26.Qe6 Rc8 27.Rb1 Qc6 28.d5 Qe8 29.Qe8 Re8 30.Rb2 Ne5 31.Rdb1 b6 32.Ne5 de5 33.a4 Bd8 34.Bd8 Rd8 35.a5 Rd6 36.ab6 (36...Bb1 37.ba7 Ka7 38.Rb1 Rd5 39.Ne4+–; Better is 36.e4 Kc7 37.f4 ba5 38.Rb7 Kd8 39.Ra7 Rd7 40.Ra5 ef4 41.gf4 Ke7+–) 1–0. Slavisa2 – CharlieChess, Live Game Caissa's Web, 2004.

4.Bg7+– Qe7

5.Bh8 d5 6.a3 Ba5 7.Bb2 Bg4 8.h3 Bh5 9.Nc3 0–0–0 10.g4 d4 11.Na2 d3 12.cd3 Rd3 13.Nc3 Nd4 14.gh5 Bc3 15.Bc3 1–0. guest130 – MR2Martin, ICC, 2002.

5.Bh8 f6 6.c3 Bd6 7.d4 Bf4 8.e3 Bg5 9.Qh5 Kd8 10.Bc4 Qf8 11.Qh7 Nce7 12.Bg7 Qe8 13.h4 d5 14.Bd3 Be3 15.fe3 Bg4 16.Ne2 a5 17.0–0 Nf5 18.Rf5 Bf5 19.Bf5 Qe3 20.Kh2 (20...c6 21.Bh6+–) 1–0. pereira – nsrwan, internet, 2006.

5.Bh8 Nh6 6.Nf3 Ng4 7.h3 Nge5 8.a3 Nf3 9.gf3 Bc5 10.Nc3 d6 11.Rg1 Qf8 12.Bg7 Qg8 13.Nd5 Kd7 14.Nf6 (14...Kd8 15.Ng8+–) 1–0. marekt – biomass, internet, 2008.

4.Bg7+– Be7

5.Bh8 Bf6 6.Bf6 Qf6 7.Nc3 d5 8.Rb1 a6 9.Nd5 Qd6 10.e4 Nf6 11.f3 Nd5 12.ed5 Nd4 13.Ne2 Ne2 14.Qe2 Kd8 15.c4 Bf5 16.Rb7 a5 17.Qe3 c5 18.Qg5 Ke8 19.Qf5 Qg6 20.Qd7 Kf8 21.Bd3 Qd3 22.Qf7# 1–0. Kevin@home – xyzzy, ChessWorld.net, 2005.

5.Bh8 Bf6 6.Bf6 Qf6 7.Nc3 Nh6 8.Nf3 d6 9.Nd5 Qd8 10.e4 Be6 11.d4 Na5 12.Qd2 b6 (12...c6 13.Qh6 cd5 14.Qh7 de4 15.Qe4 Nc6+–) 13.Qh6 c6 (13...Bd5 14.ed5 Qe7 15.Be2+–) 14.Nf6 Ke7 15.Nh7 Bc4 16.Qf6 Kd7 17.Bc4 Nc4 18.Qf7 Kc8 19.Qc4 b5 20.Qc6 Qc7 21.Qa8 Kd7 22.Nf6 Ke6 23.Qf8 +–. COMP – NN, 2003.

5.Bh8 Nf6 6.Nc3 d5 7.e3 Bg4 8.Nge2 Qd7 9.h3 Bh5 10.Qb1 0–0–0 11.Nf4 Rh8 12.Bd3 Nb4 13.0–0 Nd3 14.cd3 Rg8 15.Qb3 Rg5 16.Rab1 Bd6 17.Qb7 Kd8 18.Qb8 Qc8 19.Qa7 Nd7 20.Ncd5 Bc5 21.Qa5 Bd6 22.Nh5 Rh5 23.Qc3 Rd5 24.Qg7 c6 25.Qf7 Kc7? 26.Rfc1 Rc5 27.Qh7 Rc1 28.Rc1 Ba3 29.Rc3 Bb2 30.Rb3 Be5 31.d4 Bd6 32.Qf7 Qa6 33.d5 Qc4 34.Rc3 Qa2 35.Rc6 Kd8 36.Rd6 Qa1 37.Kh2 Qe5 38.Qf4 Qf4 39.ef4 Ke7 40.Re6 Kf7 41.g4 Nf6 42.Re5 Nd7 43.Rf5 Kg6 44.h4 Nf6 45.Kg3 Ne4 46.Kg2 Nd2 47.h5 Kg7 48.g5 Ne4 49.h6 Kg6 50.Re5 Nc5 51.d6 Nd7 52.Re7 Nf6 53.gf6 Kf6 54.h7 1–0. Steingraeber,Barbara – Pieleck,Rudi, remoteschach.de, 2002.

4.Bg7+– f6

5.e3 d5 6.Qh5 Kd7 7.Qd5 Ke8 8.Qd8 Kd8 9.Bb5 h5 10.Bh8 Be6 11.Bc6 bc6 12.Nf3 Ke7 13.0–0 Nh6 14.Bf6! Kf6 15.c3 Bd6 16.d3 Rg8 17.Nbd2 c5 18.Ne4 Ke7 19.Nd6 cd6 20.Rfb1 Bd5 21.e4 Ba8 22.Rb3 d5 23.ed5 Bd5 24.Re1 Kd6 25.Kh1 Bb3 26.ab3 Ng4 27.Kg1 a5 28.h3 Nh6 29.Ra1 Rb8 30.Nd2 Ra8 31.b4! cb4 32.cb4 a4 33.f3 a3 34.Ra3! Ra3 35.Nc4 Kd5 36.Na3 Kd4 37.Kf2 Kd3 38.b5 Nf7 39.g4 hg4 40.hg4 Kd4 41.b6 Nd8 42.g5 Ke5 43.Kg3 Kf5 44.f4 Nc6 45.Nb5 Kg6 46.Kg4 Nd8 47.Nd6 Kg7 48.b7 Nc6 49.Kf5 Kh7 50.Ke6 Nd8 51.Kd7 Nb7 52.Nb7 Kg6 53.Nd6 Kg7 54.f5 Kf8 55.f6 Kg8 56.Ke8 Kh8 57.f7 Kg7 58.f8Q Kh7 59.Qh6 Kg8 60.Qg6 Kh8 61.Nf7# 1–0. Trkn – Herby, itsyourturn.com, 2000.

5.e3 Qe7 6.Bh8 d5 7.Qh5 Kd8 8.Qd5 Bd7 9.Qg8 Qe8 10.Bf6 Ne7 11.Qh7 c6 12.a3 Bd6 13.Nc3 Kc7 14.Ne4 Rd8 15.Nd6 (15...Kd6 16.Qd3 Ke6 17.Bg5+–; 15.Qh4 Be6 16.Nd6 Kd6 17.Qd4 Kc7 18.Be5 Kc8 19.Qa7 Qf7+–) 1–0. marekt – mferzman, ChessWorld.net, 2008.

5.e3 Qe7 6.Bh8 Nh6 7.Qh5 Nf7 8.f4 Qd6 9.Bc4 Qe7 10.Nf3 Qf8 11.Bf6 d5 12.Bd5 Qd6 13.Qf7# 1–0. Trkn – Dan Bryan, itsyourturn.com, 2000.

5.e3 Nh6 6.Qh5 Nf7 7.Bh8 Nce5 8.Bg7 d5 9.Qh7 Qe7 10.Be2 Kd7 11.Qf5 Kc6 12.Qf6 Qf6 13.Bf6 Bf5 14.f4 Nd7 15.Nf3 Bc2 16.Nd4 Kb6 17.Nc2 Bd2 18.Nd2 Nf6 19.g4 Re8 20.Rb1 (20...Kc5 21.Rb7+–) 1–0. pierre (2145) – duhek, internet, 2007.

5.Bh8 d5 6.e3 Be6 7.Nf3 Qe7 8.Bb5 Bd7 9.Bc6 Bc6 10.0–0 0–0–0 11.d4 Bb5 12.Re1! Be1 13.Qe1 Nh6 14.Bf6! Qf6 15.Nc3 Bc4 16.a4 Re8 17.Ne5 Ba6? 18.Nd5 Qf5 19.Qa5 Qc2 20.Qc3 Qc3 21.Nc3 c5 22.Nf3 cd4 23.Nd4 Ng4 24.Ncb5 Bb5 25.Nb5 a6 26.Nd6 (26...Kd7 27.Ne8 Ke8 28.Rb1+–) 1–0. gtate (1945) – flgs (1945), net–chess.com, 2004.

5.Bh8 d5 6.e3 Bf5 7.a3 Bd6 8.Bd3 Qd7 9.Qh5 Bg6 10.Bg6 hg6 11.Qg6 Qf7 12.Qf7 Kf7 13.Nc3 Nge7 14.Bf6 Kf6 15.Nb5 Ke6 16.Nf3 Rg8 17.g3 a6 18.Nd6 Kd6 19.Ke2 Ng6 20.d4 Na5 21.h4 Nf8 22.h5 Ne6 23.h6 c5 24.c3 c4 25.Ne5 Ng5 26.Rh5 Nh7 27.Rah1 b5 28.R1h4 Nb7 29.Rf5 Nd8 30.e4 Ke6 31.Rff4 de4 32.Re4 Kf5 33.Rhf4 Ke6 34.Nc4 Kd5 35.Ne3 Kd6 36.Nf5 (36...Kd7 37.Re7 Kc6 38.Rh7 Re8 39.Kd3+–) 1–0. Grosmelder,Karl – Kozlov,Valery, Memorial Y.Kutianin, 1992.

5.Bh8 d5 6.e3 Bf5 7.a3 Bd6 8.Qh5 Bg6 9.Qd5 Nge7 10.Qb3 Bf7 11.Qb2 Nd5 12.Qb7 (12...Ke7 13.Qc6 Qh8 14.c4+–) 1–0. pierre – schakkoli, internet, 2008.

5.Bh8 d5 6.Nf3 Bf5 7.e3 Qe7 8.Be2 Nh6 9.c3 Bd6 10.Qb3 0–0–0 11.d4 Be4 12.Nbd2 Rh8 13.Rb1 Bb1+/– 14.Qb1 f5 15.Qb5 Qe6 16.0–0 Nf7 17.c4 Ne7 18.Rb1 Nd8 19.Bd3 c6 20.Qa5 Bb8 21.cd5 Nd5 22.Bc4 Rg8 23.Bd5 cd5 24.Rc1 Nc6 25.Qc3 Re8 26.Nb3+– Bc7 27.Nc5 Qd6 28.Qd3 Rf8 29.Qb5 Bb6 30.Ne5! Bc5 31.Nc6 bc6 32.Qa6 Kd7 33.Rc5 Qc7 34.f4 Rb8 35.Qd3 Ke6 36.Qc2 Rc8 37.Kf2 Qd6 38.Qa4 Qc7 39.Ra5 Ra8 40.Ra6 Kd6 41.Kf3 Kd7 42.h3 Kd6 43.g4 fg4 44.hg4 Qb7 45.Ra5 Qd7 46.Qb4 Kc7 47.Qc5 a6 48.f5 h5+= 49.Kg3 hg4 50.Kg4 Qg7 51.Kf4 Qh6 52.Ke5?? Re8 (53.Qe7 Re7#) 0–1. Jasik,Krzysztof – Vavrak,Peter, Wch U10 Duisburg, 1992.

5.Bh8 Kf7 6.e3 d5 7.Qh5 Ke6 8.Ne2 Bd6 9.Qh7 Nce7 10.Nd4 Kd7 11.Qh3 Ke8 12.Ne6 Be6 13.Qe6 Qd7 14.Qd7 Kd7 15.Bb5 c6 16.Ba4 b5 17.Bb3 Nf5 18.a4 d4 19.ab5 cb5 20.Bd5 Re8 21.Ra7 Bc7 22.Ra6 de3 23.Bc6 Kc8 24.Be8 1–0. Bonetti,Shane – knightjuggler, Internet Chess Club, 2002.

5.Bh8 Nh6 6.a3 Bc5 7.e3 Nf7 8.Qh5 Ke7 9.Qc5 d6 10.Bf6! Kf6 11.Qc4 Nfe5 12.Qh4 (12...Kg7 13.Qd8 Nd8 14.d4+–) 1–0. gtate – jford, net–chess.com, 2001.

5.Bh8 Nh6 6.e3 d5 7.Qh5 Nf7 8.Qh7 Be6 9.Bb5 a6 10.Bc6 bc6 11.Qh4 Be7 12.Bg7 Kd7 13.Ne2 Nd6 14.Nd4 Nf5 15.Nf5 Bf5 16.0–0 Ke6 17.Nc3 Qg8 18.Qg3 Bd6 19.f4 Qh7 20.Ne2 c5 21.c4 c6 22.Bf6 Kf6 23.Qg5 Kf7 24.Ng3 Bd3 25.Rf2 Rg8 26.Qh5 Qh5 27.Nh5 Rb8 28.g4 Bc4 29.f5 Be5 30.Re1 Bd3 31.g5 a5 32.g6 Kg8 33.Ng3 Rf8 34.Kg2 Bg3 35.Kg3 Rf5 36.Rf5 Bf5 37.Kf4 Bg6 38.Kg5 Be4 39.h4 c4 40.h5 a4 41.a3 c5 42.Rg1 Bd3 43.Kf6 Kh7 44.Ke5 Be4 45.Rg4 Bf3 46.Rf4 Bg2 47.Kd6 Kh6 48.Kc5 Kh5 49.Kb4 (49...Kg5 50.Ka4+–) 1–0. Weigel,Hans_Juergen (2010) – Boehm,Eckart (1940), Ch Germany (seniors) (team), 2005.

5.Bh8 Nh6 6.e3 d5 7.Qh5 Nf7 8.Qh7 Be6 9.Qh5 d4 10.Bb5 de3 11.Bc6 bc6 12.fe3 Ba5 13.Qa5 Nh8 14.Qh5 14...Nf7 15.Nf3 Qd6 16.Nc3 Rd8 17.Qg6 Qb4 18.0–0 Ke7 19.Nd4 Qc5 20.Qf6 (20...Ke8 21.Ne6+–) 1–0. Engles,M – Howie,A, IECC, 2002.

5.Bh8 Qe7

6.a3 Ba5 7.Nf3 Qf8 8.a4 Nge7 9.Bf6! Qf6 10.c3 d6 11.Na3 Bg4 12.Nc4 Bb6 13.Nb6 cb6 14.Nd4! 0–0–0 15.Nc6 Nc6 16.h3 Bh5? 17.g3 Na5 18.Bg2 Kb8 19.0–0 Rg8 20.Bd5 Rg7 21.Bf3 Qf5 22.Bh5 Qh5 23.e4 Qh3 24.Qf3 Rg8 25.Qh1 Qg4 26.d3 h5 27.Rab1 a6? 28.Rb4 Ka7 29.e5! Qe6 30.ed6 Qd6 31.Rd4 Qc6? 32.Qc6 Nc6 33.Rh4 Rh8 34.g4 Ne5 35.Rh5 Rh5 36.gh5 Ng4 37.f3 Nh6 38.Re1 b5 39.ab5 ab5 40.Re6 Nf7 41.h6 Nh6 42.Rh6 Kb8 43.f4 Ka7 44.f5 Kb8 45.f6 Ka7 46.f7 Kb8 47.f8Q (47...Ka7 48.Qc5 b6 49.Qb6 Ka8 50.Rh8#) 1–0. BorisOwl – saab93b, gamecolony.com, 2000.

6.c3 Bc5 7.d4 Bb6 8.e3 Qf7 9.Bd3 d5 10.Qc2 Nge7 11.Qe2 Be6 12.Qf3 f5 13.Be5 Ne5 14.de5 Ng6 15.Qd1 Ne5 16.Nh3 0–0–0 17.Nf4 Bd7 18.a4 c6 19.Be2 Ng6 20.Bh5 Qf6 21.Ng6 hg6 22.Be2 g5 23.Qd2 f4 24.ef4 gf4 25.a5 Bc5 26.Na3 d4 27.Qb2 dc3 28.Qb3 Be6 29.Nc4 Qd4 30.0–0 Rg8 31.Nb6! Kc7 32.Qe6 Qg7 33.Qd7 Qd7 34.Nd7 Kd7 35.Rfd1 Kc7 36.Ra4 Re8 37.Kf1 Bd6 38.Rc1 Be5 39.Re4 Kd7 40.Bg4 Kd6 41.a6 b5 42.Rc3! Bc3 43.Re8 b4 44.Be6 Bd4 45.Bb3 Bb6 46.h4 (46…f3 47.gf3+–) 1–0. Fratila,I (2020) – Apostoaie,Liliana, EU–ch U16 Girls, 1994.

6.c3 Qf8 7.cb4 Nh6 8.b5 Nd4 9.Qa4 Nhf5 10.g4 c5 11.gf5 Qh8 12.Nc3 a6 13.Nd5 Kd8 14.Qa5 b6 15.Qb6 Ke8 16.Nc7 Kf7 17.Rc1 Bb7 18.Qb7 Rb8 19.Qd5 Ne6 20.fe6 de6 21.Qe6 Kg6 22.Rc5 Rc8 23.Bh3 ab5 24.Qe4 Kg7 25.Bc8 h5 26.Qe7 Kg6 27.Bf5 Kg5 28.Nh3 Kh4 29.Qe4 1–0. Long_Knights – IrishBouncer, ChessWorld.net, 2005.

6.e3 Nd4 7.Qg4 Nc2 8.Kd1 Nh6 9.Qh5 Nf7 10.Qh7 Ne3 11.fe3 d6 12.Qg8 Kd7 13.Nf3 b6 14.Nd4 Bb7 1–0. bambinik – Whimzovich, ICS blitz, 2000.

6.Nf3 d6 +–.

6.g3 d5 7.Nc3 (Better is 7.c3 Bd6 8.Bg2 Qf7+–) 7...Bg4 (7...Be6 8.Nb5+–) 8.Nd5 Qe5 (8...Qd6 9.Bg2 0–0–0 10.c3+–) 9.c4 0–0–0 10.Bg2 Bd2 11.Kd2 Nb4 12.Qb1 Qd4 13.Ke1 c6 14.Qd1 Nc2 15.Qc2 Qa1 16.Kd2 cd5 17.Bd5 Ne7 18.Nh3 Qe5?? 19.Qb3?? Nd5–+ 20.Rb1?? Qe2 21.Kc1 Qe1 22.Kb2–+ Qd2 23.Ka1–/+ Nb4?? 24.Bf6?? Nc2–+ 25.Qc2 Qc2 26.Bd8 Bh3 27.Bf6–+ Qf2 28.Bh4 Bf5 29.Rd1 Bd7 30.Kb1 Qf5 31.Kc1 Qc5 32.Rd2 Qc4 33.Rc2= Bb5 34.Rc4 Bc4 35.a3 Kd7 36.g4 a5 37.Be1 b6 38.h4 Ke6 39.g5 Kf5 40.Kc2 Ke4 41.Kc3 Bf7 42.Bg3 Kd5 43.a4 Kc5 44.Bf2 Kd5? 45.Bb6+– Be8 46.Kb3 Ke5 47.Ba5 Kf5 48.Be1?? Ba4= 49.Ka4 Kg6 50.Kb4 h6 51.gh6 Kh6 52.Kc4 Kh5 53.Kd4 Kg4 54.Ke5 Kh5 55.Kf5 Kh6 56.Kg4 Kg6 57.h5 (57...Kg7 58.Bc3 Kf7 59.Kf5+–) 1–0. coachwright – pelaton, Corr Tour D#597, 2004.

6.g3 h6 7.c3 Qe4 8.f3 +–.

4.Bg7+– Nf6

5.Bh8 d6 6.c3 Ba5 7.Qc2 Kd7 (7...h6+–) 8.e3 (better is 8.Qf5 Ke8 9.Qf6+–) 8...Qh8 9.Bb5 Kd8 10.Bc6 bc6 11.Qa4 Bb6 12.Qc6 Rb8 13.Nf3 (13.Qf3 Qg7+–) 13...Bb7? (better is 13...Qg7 14.Kf1 Be3+–) 14.Qa4 Qg8 15.Nh4 Bg2 (15...Be4+–) 16.Rg1 (16.Ng2 Qg2 17.Rf1 Ng4+=) 16...Qg5 17.Ng2 Ng4 18.f4 (better is 18.Nf4!? Qf5 19.Qd1 Nf6+–) 18...Qh5 19.h4 Nh2 20.d3 (better is 20.Qd1 Qf3 21.Qe2+–) 20...Nf3 21.Kf2 Ng1 22.Kg1 Qg4? (22...Qe2 23.Na3 Be3 24.Kh2 Rb2=) 23.Nd2 (better is 23.d4+–) 23...Be3–/+ 24.Kf1 Rb2 (24...Bd2 25.Qa7 Qf3 26.Qf2 Qd3 27.Qe2 Qc3–+) 25.Qa7?? (better is 25.Ne3 Qh3 26.Ke2 Qh2 27.Kf3 Qh3 28.Ke4 Qe6 29.Kf3 Qh3 30.Ke2 Qh2 31.Kf3 Qh3=) 25...Rd2 26.Qa8?? (better is 26.Qb8 Kd7 27.Qb5 Ke7 28.Qg5 Qg5 29.hg5 Rf2 30.Kg1 Ra2 31.Ne3 Ra1 32.Kf2–+) 26...Kd7 27.Qa4 Ke7 28.Qe4 0–1. Pawn – goldenbear, Live Game Caissa's Web, 2004.

5.Bh8 d6 6.c3 Bc5 7.d4 Bb6 8.e3 Be6 9.Bf6 Qf6 10.d5 Bd5 11.Qd5 0–0–0 12.a4 Ne7 13.Qf3 Nf5 14.Bd3 Ba5 15.Qf5 Qf5 16.Bf5 Kb8 17.Bh7 Rf8 18.h4 Rh8 19.Bf5 a6 20.Nf3 Rh5 21.Ng5 f6 22.g4 Rh6 23.Nf7 1–0. michaelbuss – Sidd18, ChessWorld.net, 2005.

5.Bh8 d6 6.Bf6 Qf6 7.c3 Bc5 8.e3 Bf5 9.Bb5 0–0–0 10.Bc6 bc6 11.Qf3 d5 12.g4 Kb7 13.Qf5 Qh4 14.Nf3 Qh6 15.d4 Bb6 16.Nbd2 Re8 17.Qd3 f5 18.gf5 Qf6 19.a4 a5 20.Rb1 Ka7 21.c4 dc4 22.Nc4 Rb8 23.Nfe5 Rb7 24.Kd2 Qh4 25.Nc6 Ka8 26.Nb6 Rb6 27.Rb6 (27...Qf2 28.Kc3 Qc2 29.Kc2 cb6 30.Qa6#; 27.Qa6 Ra6 28.Rb8#) 1–0. Mear,D – Bowey,S, Newcastle, 1998.

5.Bh8 Bd6 6.c3 Na5 7.Bf6 Qf6 8.e3 Nc4 9.Bc4 (9...Be7 10.d4+–) 1–0. pinecrest1981 – JayDeeTwo, Live Game Caissa's Web, 2005.

5.Bh8 Ne4 6.Bb2 Qh4 7.g3 Qh6 8.Nf3 d5 9.c3 Bc5 10.d4 Bd6 11.Bc1 Qh5 12.Bg2 Bh3 13.0–0 0–0–0 14.Bh3 Qh3 15.Ng5 Ng5 16.Bg5 Rg8 17.Qd2 f5 18.Bf4 Be7 19.Qe3 h5 20.Nd2 h4 21.Nf3 hg3 22.fg3 Bf6 23.Qe6 Kb8 24.Qg8 (24...Nd8 25.Rab1+–) 1–0. BorisOwl – ktaive, GameColony.com, 2001.

5.Bh8 Ne4 6.Nf3 d5 7.g3 Bg4 8.Bg2 f6 9.0–0 (9.c3 Bc5 10.d4 Be7+–) 9...Qe7 10.d3 (10.c3 Bd6 11.d3 0–0–0 12.de4 de4+–) 10...Nf2 (10...Nc3 11.Nc3 Bc3+–) 11.Rf2 Bc5 (11...0–0–0 12.c3 Bc5 13.d4+–) 12.d4 Bf3 (12...Bb6 13.c4 Bf3 14.Bf3 Bd4 15.Bh5 Kf8 16.cd5 Qe3+–) 13.Rf3 (better is 13.dc5 Bg2 14.Bf6+–) 13...Bd4 14.Kh1 Ba1 15.Qd5 Be5 16.Qg8 Qf8 17.Qf8 Kf8 18.Bf6 Bf6 19.Rf6 Ke7 20.Rh6 Rd8 21.Rh7 Kd6 22.Nc3 Nd4 23.Be4 Re8 24.Bd3 a6 25.Ne4 Kc6 26.c4 Re5 27.Rh6 Kd7 28.Nc3 Nc6 29.Nd5 Nd4 30.Rh7 Kd6 31.e4 Nf3 32.Nf4 Nd2 33.Ng6 Ra5 34.e5 Kc5 35.e6 Nc4 (35...Ra2 36.Rh5 Kd4 37.e7 Kd3 38.e8Q+–) 36.Rc7 (better is 36.Bc4!? Ra3+–) 36...Kd6 37.Rc4 (better is 37.e7 Kc7 38.e8Q Nd6 39.Qe7 Kc6+–) 37...Ke6 38.Nf4 Kd6 39.a4 1–0. hal1958 – GCP, HCL–B2515 playchess.de, 2004.

5.Bh8 Qe7 6.Nf3 d5 7.e3 Bg4 8.Be2 0–0–0 9.0–0 Rh8 10.c3 Bf3 11.Bf3 Bd6 12.h3 h5 13.d4 h4 14.Nd2 Ne4 15.Ne4 de4 16.Bg4 Kb8 17.Rb1 Qg5 18.Qb3 Na5 19.Qf7 Rf8 20.Qe6 Qg7 21.Rb5 a6 22.Ra5 Re8 23.Qe8 Ka7 24.Qe4 Qf6 25.Rf5 Qg6 26.Rb1 c6 27.Qf3 Bc7 28.Rb3 Qd6 29.c4 Qh2 30.Kf1 Qh1 31.Ke2 Qc1 32.Kd3 Qf1 33.Ke4 Qc1 34.Qe2 Qa1 35.Qc2 Qh1 36.Bf3 a5 37.Qb2 Ka6 38.Rb7 Bd8 39.Rf8 Qd1 40.Bd1 Bc7 41.Rc7 a4 42.Qb7 Ka5 43.Ra8 1–0. coloplayah (1960) – ljswails (1725), net–chess.com, 2005.

5.Bh8 Kf8 6.c3 Be7 7.Bf6 Bf6 8.e3 Nb4 (8...d5 9.d4+–) 9.d4 Nd5 10.Qh5 Bg7 (10...c6 11.Qh7 Bg7 12.Nf3+–) 11.Qd5 c6 12.Qd6 (12...Qe7 13.Qg3+–) 1–0. Trkn – guest466, ICC, 2004.

5.Bh8 d5

6.c3 Ba5 7.Nf3 Qd6 8.Qa4 Bd7 9.Qh4 Ng4 10.e3 f6 11.Qh5 Ke7 12.Qh7 Ke6 13.Qg7 Ne7 14.Nd4 Ke5 15.Qg5 Nf5 16.Qf4# 1–0. pierre – orshi, internet, 2009.

6.c3 Bc5 7.e3 a6 8.d4 Bd6 9.Bf6 Qf6 10.Bd3 h6 11.c4 Nb4 12.Nf3 Nd3 13.Qd3 Bf5 14.Qb3 Rb8 15.Nc3 c6 16.cd5 Kd7 17.Qb6 Qe7 18.dc6 (18...bc6 19.Qa6+–) 1–0. Wloka,Frank – Richardt,Tim, desc–online.de, 2004.

6.c3 Bd6 7.e3 Be5 8.d4 Bd6 9.Qf3 Be7 10.Bb5 Bd7 11.Bf6 Bf6 12.Qh5 Nd4 13.Bd7 Qd7 14.cd4 Kf8 15.Qh7 Re8 16.Nc3 Bd4 17.Nce2 Ba1 (18.Qb1 Be5 19.Qb7 a5+–). makaveli1982 – johnny_s, internet, 2007.

6.e3 Ne5 7.c3 Bd6 8.d4 Ng6 9.Bf6 Qf6 10.Nf3 Be6 11.Nbd2 0–0–0 12.Qb3 c6 13.Rb1 Rd7 14.Bd3 Kd8 15.Qa4 a6 16.Qa5 Ke8 17.0–0 Bg4 18.h3 Be6 19.Rb2 Nh4 20.Nh4 Qh4 21.Qb6 Bh3 22.Nf3 Qh5 23.Ne5 Be5 24.de5 Bf5?? 25.Bf5 Qf5 26.Rfb1 Qe5 27.Qc5 b5 28.Qc6 Qe6 29.Qe6 fe6 30.a4 ba4 31.Rb6 e5 32.Ra6 Kf7 33.Rd1 h5 34.e4 d4 35.cd4 Rd4 36.Rd4 ed4 37.f4 d3 38.Ra4 h4 39.Kf2 d2 40.Rd4 Ke6 41.Rd2 (41...Kf6 42.e5 Kf5 43.Kf3+–) 1–0. Waibel,Ulrich (1650) – Albrecht,Markus (1875), remoteschach.de, 2004.

6.e3 Be6 7.Bb5 Bd7 8.Nf3 a6 9.Bc6 Bc6 10.0–0 Qe7 (10...Bd7 11.d3+–) 11.Nd4 Bd7 12.Qf3 Ne4 (12...Ng4 13.Qd5 0–0–0 14.Bg7+–) 13.d3 Nc3 (13...Ng5 14.Qd5 0–0–0 15.a3+–) 14.Nc3 (14.a3 Nb1 15.Rfb1 Bc3+–) 14...Bc3 15.Nf5 (15.Qd5 c6 16.Qb3 Ba1 17.Ra1 0–0–0+–) 15...Bf5 16.Bc3 Be6 (16...Qe6 17.Rfb1 0–0–0 18.Bd4+–) 17.Qf6 (17.Rfb1 b6+–) 17...Qc5 (17...Qf6 18.Bf6 c5 19.f4+–) 18.Qh8 (18.Rfb1 Qa7+–) 18...Qf8 19.Qf8 (better is 19.Qh7!? 0–0–0+–) 19...Kf8 20.e4 Ke7 (20...de4 21.de4 Re8 22.Rfe1+–) 21.ed5 Bd5 22.Be5 (22.Rfe1 Kd6+–) 22...Kd7 23.c4 Bc6 (23...Be6 24.Rab1 b6 25.Rfe1+–) 24.h3 (24.d4 Re8+–) 24...Rg8 25.Bg3 (25.f3 Rg6+–) 25...h5 26.Kh2 (better is 26.Rfe1 b5+–) 26...h4 27.Rae1 (27.Bh4?! Rg2 28.Kh1 Rf2 29.Kg1 Rg2 30.Kh1 Re2 31.Kg1 Rg2 32.Kh1 Re2 33.Kg1 Rg2=) 27...f5 28.Rg1 (28.Bh4?! Rg2 29.Kh1 Rf2 30.Kg1 Rg2 31.Kh1 Re2 32.Kg1 Rg2 33.Kh1 Re2 34.Kg1 Rg2=) 28...hg3 29.fg3 Rh8 (29...Kd6 30.d4+–) 30.Re5 (30.Rgf1 Rh5+–) 30...Kd6 (30...Kc8 31.d4+–) 31.Rf5 Bd7 (31...Re8 32.Rgf1+–) 32.Rd5 Kc6 33.Rf1 Be6 (33...Rh6 34.Re1+–) 34.Rf6 Re8 35.Re5 (35.h4!? b5+–) 35...Kd7 36.g4 Kd6 (36...Bg8 37.Re8 Ke8 38.g5+–) 37.Re4 (37.Rfe6 Re6 38.Re6 Ke6+–) 37...c5 (37...Kd7 38.Rfe6! Re6 39.Re6 Ke6 40.Kg3+–) 38.g5 Kd7 39.g6 Bg8 40.Re8 Ke8 41.g7 (41.Rb6!? Kf8+–) 41...Bf7 42.h4 Ke7 43.Rf2 b5 44.h5! bc4 (44...Bh5 45.Rf5 Double attack (45.Rf5 Decoy)) 45.h6 Bg8 46.dc4 Bh7 47.g4 Bg8 48.Rf8 Bh7 49.g8Q Bg8 50.Rg8 Kf7 (50...Ke6 51.h7 Kd6 52.h8Q Kd7 53.Rg6 a5 54.Qh7 Ke8 55.Rg8) 51.h7 a5 (51...Kf6 52.h8Q Kf7 53.Qg7 Ke6 54.Ra8 Kd6 55.Ra6) 52.h8Q Ke6 (52...a4 53.Qg7 Ke6 54.Ra8 a3 55.Ra6) 53.Rg5 (53.Rg6 Kd7 54.Qh7 Ke8 55.Rg8) 53...Kf7 (53...Kd7 54.Qh7 Kd6 55.Qg7 a4 56.Rg6) 54.Qh6 Ke7 (54...Ke8 55.Qh7 a4 56.Rg8) 55.Rg7 Kf8 (55...Ke8 56.Qh8) 56.Qh8 1–0. Lee Lok Yi – Pang Bo, Hong Kong Chess League, 2016.

6.e3 Bf5 7.Qf3 Qd7 8.Bf6 Bc2 9.Nc3 Na5 10.Qd5 Qg4 11.Qe5 Kf8 12.Bg5 Re8 13.Qh8# 1–0. Bonetti,Shane – Lecagnois06 (1750), ICC, 2002.

6.Nf3 Bc5 7.e3 d4 8.Be2 de3 9.de3 Qe7 10.Bf6 Qf6 11.Nbd2 Bf5 12.0–0 0–0–0 13.Qc1 Bb4 14.a3 Bc3 15.Rb1 Bg4 16.Rd1 (16...Bf5 17.Bd3+–; 16.Ne4 Qg7+–) 1–0. Machalkova,Lenka – Patrna,Vendula, Volyne op Girls, 2003.

6.Bf6 Qf6 7.c3 Bc5 8.d4 Bd6 9.Nf3 Bd7 10.Qb3 Qf5 11.Nbd2 0–0–0 12.e3 Na5 13.Qd1 b6 14.Ba6 Kb8 15.0–0 Rg8 16.Nh4 Qg5 17.Ndf3 Qg7 18.Kh1 Be7 19.Rg1 Bg4 20.Be2 f5 21.Qc2 Bf6 22.Nf5 Bf5 23.Qf5 c6 24.Bd3 h6 25.g3 Nb7 26.Rab1 Nd6 27.Qe6 Ne4 28.Be4 de4 29.Qe4 h5 30.Qc6 Rc8 31.Qd6 Rc7 32.a4 Be7 33.Qe5 Qf7 34.Kg2 Qg6 35.h4 Kb7 36.Qd5 Kc8 37.Qa8 (37...Kd7 38.Ne5 Kd6 39.Ng6+–) 1–0. wlittle (2100) – mic (2110), net–chess.com, 2005.

6.Bf6 Qf6 7.Nf3 Qa1+= 8.c3 Ba5 9.Qb3?? Ne7?? 10.e3 Bf5 11.Bb5 c6 12.0–0 cb5 13.Na3 Qf1 14.Kf1 Bd3 15.Kg1 a6 16.Ne5 Bc4 17.Nac4 dc4 18.Qc2 Ng6 19.Qe4 Ne5? 20.Qe5 Kf8 21.Qh8 (21...Ke7 22.Qa8+–) 1–0. Bourassa,Francois – Nelson,John, internet, 1999.

5.Bh8 Ke7

6.c3 Bc3 7.Nc3 Qh8 8.e3 d6 9.Bc4 Be6 10.Be6 fe6 11.Nf3 Rg8 12.0–0 Qg7 13.g3 h5 14.Nh4 Ne4 (14...Ne4 15.Ne4 Qg4 16.Qg4 hg4+–). georginoh (1715) – ringo (1790), net–chess.com, 2013.

6.Nf3 Qh8 7.c3 Bc5 8.e3 d6 9.Bb5 Bd7 10.Bc6 Bc6 11.0–0 Rg8 12.d4 Qg7 13.dc5?? (better is 13.g3 Bb6 14.Nbd2+–) 13...Rd8 (13...Qg2) 0–1. georginoh (1715) – ringo (1790), net–chess.com, 2013.

6.Bf6 Kf6 7.c3 +–.

6.Bf6 Kf6 7.e4 d6 8.c3 (8...Ba5 9.Qf3 Kg7 10.Bb5+–) 1–0. Double Wood – Dazzer, ChessWorld.net, 2005.

6.Bf6 Kf6 7.e4 Kg7 +–.

4.Bg7+– Qg5

5.Bh8 Bc5 6.Nf3 Qg6 7.d4 Bb4 8.c3 Ba5 9.Be5 Ne5 10.Ne5 Qe6 11.e4 c6 12.Bd3 d6 13.Nf3 Bd7 14.0–0 0–0–0 15.Qc2 Nh6 16.h3 Qg6 17.e5 Bf5 18.Bf5 Nf5 19.ed6 Rd6 20.Nbd2 Bc7 21.Ne5 Qf6 22.Ne4 Qh6 23.Nd6 Nd6 24.Nf7! Nf7 25.Qf5 Kd8 26.Qf7 Qd6 27.g3 b5 28.Rae1 Kc8 29.Re8 Kb7 30.Rfe1 h6 31.Qb3 a5 32.a4 b4 33.R8e6 (33...Qd5 34.Rb1+–) 1–0. coloplayah (1930) – ljswails (1800), net–chess.com, 2006.

5.Bh8 d5 6.Nf3 Qe7 7.c3 Bd6 8.d4 Bg4 9.e3 h5 10.h3 (10...Be6 11.Bb5+–) 1–0. gtate (2020) – tbrannon (1935), net–chess.com, 2006.

5.Bh8 d5 6.Nf3 Qg6 7.Bc3 Bc5 8.e3 Bf5 9.Nh4 Qe6 10.Nf5 Qf5 11.d4 Bd6 12.Bd3 Qg5 13.Qf3 Nf6 14.a3 a5 15.Nd2 0–0–0 16.Qf5 Qf5 17.Bf5 Kb8 18.0–0 Rg8 19.g3 Ne7 20.Bd3 b6 21.e4 Bf4 (21...de4 22.Ne4 Ne4 23.Be4+–) 22.e5 Nh5 23.Kh1 Bh6 24.f4 Nc6 (24...Bf8 25.f5+–) 25.Nf3 f6 (25...Rh8 26.Bd2+–) 26.Nh4 fe5 27.fe5 Nd8 28.Bh7 Rh8 29.Bg6 Ng7 30.Nf5 Nf5 31.Rf5 Be3 (31...Rg8 32.Bh5+–) 32.Re1 Bh6 33.Rh5 Ne6 34.Bd2! Bg7 (34...Bd2 35.Rh8 Pinning (35.Rh8 Deflection; 35.Rh8 Decoy)) 35.Rh8 (35.Rh8 Bh8 36.c3+–) 1–0. Kosinski,Bartosz – Holownia,Michal, XXVIII Memorial Mistrza Blaszczaka Grup Poland, 1899.

5.Bh8 f6

6.c3 Bd6 7.e3 Nge7 (7...h5 8.Bc4 Kf8 9.d4+–) 8.Nh3 Qf5 9.d4 b6 (9...Ng6 10.Bg7 Nh4 11.Nd2+–) 10.Bd3 Qd5 (10...Qe6 11.Nd2 Ng6 12.d5 Qd5 13.Ne4+–) 11.Qf3 (11.Bf6!? Ng8 12.Bg5 Bb7+–) 11...Qg8 (11...Qf3 12.gf3 f5 13.Rg1+–) 12.Bf6 Bb7 13.Be7 (13.Nd2!? 0–0–0 14.Ne4 Rf8+–) 13...Be7 14.Qg3 Qd5 (14...0–0–0 15.Nd2+–) 15.Nf4 Qf7 16.Nd2 0–0–0 17.Bc4 Qf5 18.Nd5 (18.e4 Qa5+–) 18...Bd6 19.e4 Re8 (19...Bg3 20.ef5 (20.hg3?! Qg6+/–; 20.fg3?! Qf8=) 20...Re8 21.Kf1+–) 20.0–0 Qf8 21.f4 (21.e5 Ne5 22.de5 Re5+–) 21...Na5 22.Bd3 c6 (22...Qf7 23.Nc4 Bd5 24.Ne5+–) 23.Ne3 c5 (23...Ba3 24.f5+–) 24.e5 cd4 25.cd4 Bb4 (25...Ba3 26.Ne4+–) 26.Ne4 Qf7 (26...Kb8 27.Rfc1 Ba3 28.Rcb1+–) 27.Ng5 (27.Ng5 Qg7 28.Bh7+–) 1–0. Barbarickiy,Yuri – Semenova,Anastasia, 2009.

6.Nf3 Qa5 7.c3 Bc5 8.e3 d6 9.Qb3 Bg4 10.Qb7 Rb8 11.Qc6 Bd7 12.Qe4 (12...Kd8 13.Qd5+–) 1–0. tanto – nickbarletta, net–chess.com, 2001.

6.Nf3 Qa5 7.c3 Be7 8.Bg7 h6 9.Qb3 d5 10.c4 Qc5 11.e3 d4 12.ed4 Nd4 13.Nd4 Qd4 14.Nc3 Bc5 15.0–0–0 Bf5 16.Qb7 Ba3=+ 17.Qb2 Bb2 18.Kb2 Qb6 19.Kc1 Rb8 20.Nb5 a6 21.Nc7 Qc7 22.Re1 Kf7 23.Bh8 Rb1# 0–1. Hajek,Jaroslav – Bartas,David, Brno Duras BVK op–B, 2003.

6.Nf3 Qf5 7.e3 Ne5 8.Nh4 Qe4 9.Nf3 Bd6 10.Ne5 Be5 11.Qh5 Qg6 12.Qg6 hg6 13.Bd3 Ba1 14.Bg6 Ke7 15.0–0 Be5 16.Nc3 d5? 17.Nd5 Kd6 18.Nf4 Bf4 19.ef4 Be6 20.f5 Ba2 21.Ra1 Bd5 22.d3 Ke7 23.c4 Bc6 24.d4 Nh6? 25.d5 Bd7 26.Bg7 Nf5 27.Re1 Kd6 28.Bf5?? Bf5+/– 29.Bf6 Rf8?? 30.Be5 Kd7 31.f4 Bd3 32.Rc1 c6 33.dc6 bc6?? 34.c5 Be4 35.Ra1 Ra8 36.g3 a5 37.Kf2 a4 38.Ke3 Bd5 39.Kd4 a3 40.Kc3 a2 41.Kb4 Rb8?? 42.Ka5 Rb1 43.h4 Ra1 44.Ba1+– Ke6 45.h5 Bf3 46.Kb6 Kd5?? 47.f5 Bh5+/– 48.Bf6?? Bg4–/+ 49.Be7?? a1Q–+ 50.Kc7 Qb1 51.f6 Bf5 52.f7 Qe4 53.f8Q+/– Qe5 54.Bd6+– Qd6?? 55.Qd6 1–0. Nautiluschess – Totoro, ICS blitz, 2001.

6.Nf3 Qg6

7.a3 Bd6 8.g3 b6 9.Bg2 Bb7 10.Nc3 Ne5 11.Ne5 1–0. wlittle (2135) – rbrunner (1990), net–chess.com, 2004.

7.c3 Bc5 8.Qb3 d6 9.h4 Ke7 10.h5 Qh6 11.Na3 b6 12.Nc4 Be6 13.e3 Kd7 14.0–0–0 Nge7 15.d4 b5 16.dc5 bc4 17.Bc4 Bc4 18.Qc4 Rh8 19.cd6 cd6 20.Nd4 Rc8 21.Qe6 Ke8 22.Nf5 Qf8 23.Rd6 a5 24.Rhd1 h6 25.Rd7 a4 26.Nd6# 1–0. Larsen,Hans Haagen – Kosir,Anton, Internet Section, 2004.

7.c3 Bc5 8.d4 Bb6 9.e3 d6 10.Nbd2 Bd7 11.Nh4 Qg5 12.Ndf3 Qh6 13.Bd3 0–0–0 14.Qc2 Nge7 15.Bf6 Qf6 16.Bh7 Rf8 17.Ng6 Rf7 18.Ne7 Ne7 19.Bd3 Bc6 20.Be2 Rg7 21.Rg1 Bf3 22.a4 Bg2= 23.0–0–0 Kb8 24.f4 d5 25.Bd3 Bf3 26.Rdf1 Rg1 27.Rg1 Qe6 28.Qf2 Be4 29.Be4 de4 30.Qh4 Qb3 31.Qe1 Ba5–+ 32.Rg7? Bc3 33.Qf2 Qa4 34.h4 Qa1 (35.Kc2 Qb2 36.Kd1 Qb1 37.Ke2 Qd3#) 0–1. hal1958 – fatou, playchess.de, 2002.

7.c3 Be7 8.g3 h6 9.Qb3 Qh7 10.Bf6! Bf6 11.Na3 Na5 12.Qb5 b6 13.Bh3 Bb7 14.0–0 Bc6 15.Qh5 Qf7 16.Qf7 Kf7 17.Bg2 b5 18.Rab1 a6 19.Rfc1 Bd5 20.Rb2 c5 21.Ne1 Bg2 22.Kg2 b4 23.Nb1 Rb8 24.Nd3 d6 25.Rbc2 bc3 26.Nc3 c4 27.Nf4 Ne7 28.Ncd5 Nd5 29.Nd5 Be5 30.f4 Bd4 31.e3 Bg7 32.Kf3 Ke6 33.e4 h5 34.Nc7 Kd7 35.Nd5 Ke6 36.Ne3 Bd4 37.Nc4 Nc4 38.Rc4 Bc5 39.d4 Bb6 40.d5 Kd7 41.Rb1 a5 42.Rc6 Bc7 43.Rb8 Bb8 44.Ra6 Bc7 45.h3 Kc8 46.Rc6 Kd7 47.a4 Bb8 48.g4 hg4 49.hg4 Bc7 50.Rc7! Kc7 51.f5 (51...Kd7 52.g5+–) 1–0. mic (2180) – luckylucciano (2180), net–chess.com, 2006.

7.c3 Be7 8.g3 Nh6 9.e3 Nf7 10.Bf6 Bf6 11.d4 d5 12.Nbd2 Bd7 13.Qb3 0–0–0 14.Rb1 b6 15.Qd5 Bf5 16.Qc6 Bb1 17.Ba6 (17...Kb8 18.Qb7#) 1–0. Wessel,Volkmar – Dambrowski,Ralf, Schleswig Holstein–ch, 1988.

7.c3 Be7 8.Nh4 Qe4 9.Nf3 Nh6 10.d3 Qg6 11.Nh4 Qg8 12.Bf6! Bf6 13.Nf3 d6 14.e4 Be6 15.Be2 Ke7 16.0–0 Bh3 17.Nh4 Bh4+= 18.Bf3 Rf8 19.Kh1 Bg4 20.Nd2 Ne5 21.h3 Bf3–/+ 22.Nf3 Nf3 23.gf3 Qe6 24.Kh2 Bg5 25.Rg1 Bf4–+ 26.Kg2 Rg8 27.Kf1 Rg1 28.Kg1 Qh3 (29.Qe1 Nf7–+) 0–1. gtate (2060) – sanbarrett (2370), net–chess.com, 2004.

7.g3 h6 8.Bg2 Qh7 9.Bf6 Nf6 10.0–0 d6 11.c3 Ba5 12.Qb3 Bb6 13.d4 Bg4 14.Nbd2 0–0–0 15.h3 Bf5 16.Nh4 d5 17.Nf5 Qf5 18.a4 Na5 19.Qd1 h5 20.f3 Qg6 21.Kh2 c6 22.e3 Rg8 23.g4 Bc7 24.Kg1+– Bg3 25.e4 Qg5 26.Qe2 Bf4 27.Ra2 Qh4 28.Qf2 Qg5? 29.h4 Qg7 30.g5 Nh7 31.Bh3 Kb8 32.Kh1 Qf7 33.Rg1 Bd2 34.Rd2 Nc4 35.Re2 Nf8 36.Bf5 Nd6 37.Qh2 Ka8 38.Qd6 a6 39.Reg2 de4 40.fe4 Qb3 41.Qb4 (41...Qb4 42.cb4+–; better is 41.g6!? Ng6 42.Be6 Qc3 43.Bg8 Qh3 44.Qh2 Qf3+–) 1–0. Bittner – Ludas, Germany, 1987.

7.Nh4 Qg5 8.g3 h5 9.c3 Bc5 10.e3 Qh6 11.Bf6 Nf6 12.Bg2 d5 13.d4 Bb6 14.0–0 Bg4 15.Qd3 0–0–0 16.f3 Be6 17.Na3 Rg8 18.Rab1 Na5 19.Rb2 Nc4 20.Nc4 dc4 21.Qe2 Qg5 22.a4 a5 23.Rb5 Nd5 24.Qe1 Qe3 25.Qe3 Ne3 26.Re1 Ng2 27.Kg2 Bd7 28.Rh5 Ba4 29.Rh7 Bc2 30.Rhe7 Ba4 31.Rf7 Kd8 32.Re5 Re8 33.Rd5 Kc8 34.Nf5 Re2 35.Kh3 Kb8 36.Rd8 Ka7 37.Rff8 Ka6 38.g4 c5 39.Ra8 Ba7 40.Rf6 Bc6 41.d5 Kb6 42.dc6 bc6 43.Rf7 Rf2 44.Kg3 Rc2 45.Raa7 Kb5 46.Nd6 Ka4 47.Nc4 Rc3 48.Na5 Rc1 49.Rfb7 1–0. gumshoe (2325) – acaudron (2225), net–chess.com, 2014.

5.Bh8 Nf6

6.Nf3 d5 7.c3 Qg6 8.cb4 Nb4 9.Qa4 Nc6 10.Ne5 Qf5 11.Nc6 Bd7 12.Nd4 Qf2 13.Kf2 Ne4 14.Ke3 Ba4 15.d3 f6 16.de4 Kf7 17.Bf6! Kf6 18.Nc3 Bd7 19.ed5 Re8 20.Kd2 1–0. coloplayah (1925) – pallen (2245), net–chess.com, 2005.

6.Nf3 Qf4 7.e3 Qd6 8.c3 Ba5 9.Qc2 b6 10.Qf5 Nd5 11.Ng5 f6 12.Nh7 Bb7 13.Qg6 Ke7 14.Qg7 Ke6 15.c4 Ndb4 16.Qf6# 1–0. kamret (2205) – juntsu, GameColony.com, 2003.

6.Nf3 Qf5 7.c3 (7...Be7 8.d4+–) 1–0. Trkn – guest159, ICC, 2004.

6.Nf3 Qg6 7.g3 d6 8.Bg2 Bf5 (8...Bd7+–) 9.Nh4 Qg5 10.Nf5 Qf5 11.0–0 0–0–0 12.Bf6 Qf6 13.c3 Bc5 14.Qa4 d5 15.Na3 Re8 16.Bd5 Re2 17.Bc6 bc6 18.Qa6 1–0. breda – Martin2, ChessWorld.net, 2002.

6.h4 Qe5 7.c3 Be7 8.Nf3 Qb5 9.Qc2 d6 10.e3 Qf5 11.Qf5 Bf5 12.d3 Nd5 13.e4 1–0. wlittle (2185) – thedesertfox (1920), net–chess.com, 2004.

4.Bg7+– Qh4

5.Nf3 Qf4 6.e3 Qg4 7.Bh8 d5 8.Nc3 Bf5 9.Nd5 0–0–0 10.Nb4 Nb4 11.d3 Bd3 12.cd3 Ne7 13.Be5 Ned5 14.h3 Nd3 15.Qd3 Qb4 16.Nd2 Nc3 17.Qc3 1–0. vik – antonis, Internet, 2001.

5.Bh8 f6 6.Nf3 Qf4 7.e3 Qd6 8.Bc4 Ne5 9.Bg8 Nf3 10.gf3 Qe5 11.c3 Be7 12.f4 Qe4 13.Qh5 Kd8 14.0–0 d5 15.Bh7 f5 16.Qg6 Bd7 17.Qg8 Be8 18.Be5 Kd7 19.Qg3 Bf7 20.Na3 Rh8 21.f3 Qd3 22.Bh8 Qd2 23.Rad1 Qe3 24.Kh1 c6 25.Bf5 Kd6 26.Be5 Kc5 27.Bd4 Qd4 28.cd4 Kd6 29.Rfe1 b5 30.Bg6 Bg6 31.Qg6 Kd7 32.Qe6 Kc7 33.Qe7 Kb6 34.Re6 1–0. chevin – Paranoid105, Live Game Caissa's Web, 2004.

3.Be5 d6??

4.Bb2?? Nc6?? 5.e3 Nf6 =+ (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d6).

4.Bb2?? Nf6 +=.

4.Bb2?? Nh6?? 5.Bg7+– Rg8 6.Bh6 Qf6 7.c3 Bc5 8.d4 Qh6 9.dc5 dc5 10.Nf3 Be6 11.e3 Nc6 12.Bb5 Rd8 13.Nbd2 a6 (13...Rg2 14.Bc6 bc6+–) 14.Bc6 bc6 15.g3 Qf6 16.Qc2 Bf5 17.Qb2 (17.e4 Bg4 18.e5 Qg6 19.Qg6 Rg6+– (19...fg6?? 20.Ng5 Rh8 21.Nge4+–)) 17...Bg4?? 18.Nh4+– Rg5 19.Ne4 Qe5 20.Ng5 Qg5 21.c4 Qe7 22.Qh8 Qf8 23.Qf8 Kf8 24.0–0 Rd2 25.Rfb1 Rc2 26.Rc1 Rd2 27.a3 Ke7 28.Rab1 Ke6 29.f4 Rd3 30.Ra1 Kf6 31.e4 Ke7 32.Ra2 Rd4 33.e5 f6 34.ef6 Kf6 35.Ng2 Be6 36.Ne3 Rd8 37.f5! Bf7 38.g4 Rg8 39.h3 h5 40.Rd2 hg4 41.hg4 Ke5 42.Rd7 Be8 43.Re7 Kf4 44.Re1 Rf8 45.Kg2 Bf7 46.Rf1 Kg5 47.Kg3 Bg8 48.Rc7 Re8 49.Re1 Rd8 50.Rc6 Rd3 51.Rg6 1–0. madik – aravindam, gameknot.com, 2009.

4.Bc3?? Bc3 5.Nc3 Nf6 6.e4 0–0=+ 7.Bc4 Be6 8.Be6= fe6 9.d3 Nc6 10.Nge2 d5 11.ed5 ed5 12.0–0 Qd6 13.h3 Rae8 14.Re1 a6 15.Qd2 b5 16.Ng3 g6 17.Nce2 d4 18.Nc1 Re1–/+ 19.Qe1 Re8 20.Qd2 Nb4 21.a3 Nbd5 22.Nce2 Qe5 23.Re1 Nc3 =+. minn (2000) – mwojo (1745), net–chess.com, 2004.

4.Bb2?? Nc6 5.e3 Nf6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d6).

4.Bf4?? Bd7 5.Nf3 Nf6 6.a3 0–0?? 7.ab4+– Qe7 8.b5 Bb5 9.Ng5 Nd5+/– 10.e4?? Nf4–/+ 11.Bb5 Qe5 12.Nc3–/+ Qg5 13.0–0?? Qg2 0–1. dirtyorc – fzayas, net–chess.com, 2000.

4.Bf4?? Nf6 5.e3 Nd5 6.Bg3 Qf6 7.c3 Nc3 8.dc3 Bc3 9.Nc3 Qc3 10.Ke2 Bg4 (10...Qb2 11.Kf3 Qf6 12.Ke2 Qb2 13.Ke1 Qc3 14.Ke2 Qb2=) 11.Nf3 (11.f3 Qb2 12.Ke1 Bf5+–) 11...0–0 12.Rc1+/– Qa3 13.h3 Qa2 14.Rc2 Qa6 15.Qd3 Bf3 16.gf3 Qd3 17.Kd3 Nc6 18.Rb2 b6 19.f4 a5 20.Bg2 Rad8?? 21.Bc6 d5 22.Rd1 Rd6 23.Rc2 Ra8 24.f5 Rf6 25.Bd7 a4 26.Bh4 g5 27.Bg5 Rd6 28.Rc7 a3 29.f6 a2 30.Bh6 Rf6 31.Rc8 Rc8 32.Bc8 Rf2 33.Rc1 Rb2 34.Bg4 Rb3 35.Ke2 f5 36.Bf5 Rb2 37.Kf3 a1Q 38.Be6 Kh8 39.Ra1 1–0. slavisa11 – kilmer49, Live Game Caissa's Web, 2004.

4.Bg3?? Bg4 5.c3 Bc5 6.Qc2 Bf2?? (Better is 6...Nf6=) 7.Kf2 Qf6 8.Nf3 Ne7 9.e4 0–0 10.d4 d5 (10...Ng6 11.Nbd2+–) 11.e5 Qb6 12.Bd3 g6 13.Rf1 Bf5 14.Kg1 h5 15.Kh1 Bd3 16.Qd3 Nf5 17.Bf2 Kg7 18.Nh4 Ne7 19.Be3 Rg8 20.Bg5 Nec6 21.Bf6 Kf8 22.Qf3 Nd7 23.Bg5 Ke8 24.Qf7# 1–0. slavisa11 – kilmer49, Live Game Caissa's Web, 2004.

4.Bg7+– Bd2 5.Qd2 Bd7 6.Bh8 Nc6 7.e4 Qe7 8.Nf3 Qe4 9.Qe2 f5 10.Qe4 fe4 11.Ng5 h6 12.Ne4 0–0–0 13.Nf6 Nd4 14.Nd7 Nc2 15.Kd1 Na1 16.Nf6 Ne7 17.Bg7 Nf5 18.Nh5 Rg8 19.Ba1 Rg5 20.Ng3 Ne7 21.Bd3 Rd5 22.Kd2 c6 23.Re1 Ng6 24.Nc3 Rd4 25.Nf5 Rd3 26.Kd3 Nf4 27.Ke3 Ng2 28.Ke2 Ne1 29.Ke1 Kd7 30.Nh6 Ke6 31.h4 d5 32.Ng4 c5 33.h5 d4 34.Ne4 Kd5 35.Ng3 b5 36.h6 d3 37.h7 d2 38.Kd2 a5 39.h8Q c4 40.Qd4 Ke6 41.Qc5 c3 42.Kc3 b4 43.Kb3 Kd7 44.Ne5 Ke6 45.Ne4 Kf5 46.Nd6 Ke6 47.Nc6 Kd7 48.Nb7 Ke6 49.Qe5 Kd7 50.Nc5 Kc6 51.Bd4 Kb5 52.Nb7 Ka6 53.Na5 (53.Nd8 a4 54.Kb4 a3 55.Qd6#) ½–½. Nautiluschess – rusalka, ICS blitz, 2001.

4.Bg7+– d5 5.Bh8 f6 6.e3 Bf5 7.Ne2 Nc6 8.Nf4 Qd6 9.Qh5 Ke7 10.Qf5 (10.Qf5 Qe5 11.Qh7 Kd6 12.c3+–) 1–0. gtate (2765) – islanderfan (1895), net–chess.com, 2008.

4.Bg7+– Qe7 5.Bh8 f6 6.e3 Bf5 7.Qh5 Bg6 8.Qb5 Nc6 9.Qb7 (9...Rb8 10.Qc6 Kf8 11.Bd3 Bd3 12.cd3+–) 1–0. taiger (1655) – sociale63, internet, 2006.

4.Bg7+– Ne7 5.Bh8 f6 6.Bf6 Nd7 7.Bh4 c6 8.e3 Qb6 9.Qh5 Ng6 10.Ne2 Qc5 11.Qc5 Nc5 12.Bg3 Ne4 13.Nbc3 Be6 14.Ne4 0–0–0 15.a3 Ba5 16.Nd6 Kc7 17.Nc4 (17...Kd7 18.Na5+–) 1–0. pierre – megakip, chess.com, 2007.

4.Bg7+– Qh4 5.Bh8 Nf6 6.Nf3 Qh6 7.c3 Bc5 8.d4 Bb6 9.Qd2 Qg6 10.Nh4 Qg4 11.Bf6 Nc6 12.Qh6 Kd7 13.Nf3 Ne7 14.Qh7 Kc6 15.Be7 Bf5 16.Qf7 Be6 17.Qf6 Re8 18.d5 Bd5 19.Ne5 Kc5 20.Ng4 (20...Re7 21.Qe7+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

4.Bg7+– Bc5

5.d4 Bb4 6.c3 Ba5 7.Bh8 c5 8.d5 b5 9.e4 Qe7 10.Bb5 Kf8 11.Qf3 a6 12.Bc6 Nc6 13.dc6 Nh6 14.Qg3 f5 15.Qf3 Kg8 16.Ne2 Kh8 17.ef5 Nf5 18.c7?? Ra7?? 19.0–0+– Rc7 20.Nf4 Rb7 21.Nd2 Rb2?? 22.Ne4 c4 23.Rfe1 Nh4 24.Qh5 Rb5 25.Qe2 d5?? 26.Nd6! Qd6 27.Qe8 Kg7 28.Re7 Kh6 29.Qh5 (29.Qc8?! Qf4 30.Qg8 Nf3 31.gf3 Qg5 32.Qg5 Kg5+–) 1–0. Knight – Matthias, mySchach.de, 2004.

5.d4 Bb4 6.c3 Ba5 7.Bh8 Nh6 8.e4 Kd7 9.Qh5 Qh8 10.Qa5 b6 11.Qg5 Qf8 12.a4 Ke8 13.a5 d5 14.ab6 cb6 15.Qd5 Ba6 16.Qa8 Ke7 17.Qa7 Kf6 18.Qb6 Kg7 19.Ba6 Nd7 20.Qc7 Nf6 21.Bb7 Qe8 22.Nd2 Qb5 23.Qg3 Nfg4 24.Bc8 Qb2 25.Rb1 Qa2 26.Bg4 (26...Qa7 27.Bf5 Kf8 28.Rb8 Qb8 29.Qb8 Kg7 30.Qe5 Kf8 31.Bh7 Ng4 32.Qb8 Ke7 33.Bf5 Nf6 34.Qe5 Kf8 35.Qf6 Kg8 36.h4 Kf8 37.Be6 Ke8 38.Qf7 Kd8 39.Qd7#) 1–0. pierre – psywar, ChessHere.com, 2006.

4.Bg7+– Nc6

5.e3 f6 6.Qh5 Kd7 7.Bb5 Nge7 8.Bh8 Qh8 9.Nf3 a6 10.Ba4 b5 11.Bb3 a5 12.c3 Bc5 13.d4 Qg7 14.0–0 a4 15.Nbd2 Ba3 16.Bc2 Bb2 17.Rab1 Bc3 18.Qb5 Ra5? 19.Qd3 Bd2 20.Qd2 Kd8 21.Rb2 Bh3 22.Nh4 Rg5 23.Be4 Rg4 24.Qc2 Rh4 25.Bc6 Rg4 26.Rb8 Nc8 27.g3 Bf1 28.Qf5 Ba6 29.Ra8 Rg5 30.Qe6 Qg8?? 31.Qd7 (31.Qf6#) 1–0. Trkn – Christoph, itsyourturn.com, 2000.

5.Bh8 Be6 6.c3 Ba5 7.Nf3 Qe7 8.e3 f6 (8...0–0–0 9.Qc2+–) 9.Bb5 Nh6 (9...Bb6 10.d4 a6 11.Be2+–) 10.Bc6 (10.Nd4 0–0–0 11.Bc6 Rh8 12.Bb7 Kb7+–) 10...bc6 11.Qa4 0–0–0 (11...Kd7 12.Qa5 Rh8 13.d4+–) 12.Qa5 Rh8 13.Qa7 c5 (13...Rg8+–) 14.Qa8 Kd7 15.Qh8 Nf5 16.e4 (16.a4 Bd5+–) 16...Nh6 17.0–0 f5 18.Re1 fe4 19.Re4 d5 20.Ne5 Kd6 21.Na3 de4 22.Nb5 Kd5 23.c4 1–0. lucya (2100) – atoughpar3, GameColony.com, 2002.

5.Bh8 Nge7 6.Bc3 Bc5 7.e3 Bf5 8.Nf3 Qd7 9.Bb5 a6 10.0–0 ab5 11.d4 Bb6 12.Nbd2 b4 13.Bb2 Be6 14.a3 ba3 15.Ra3 Ra3 16.Ba3 Nd5 (17.Bb2 Ndb4+–; 16...Na5 17.e4+–). tanto (1730) – redrook (2375), net–chess.com, 2008.

5.Bh8 f6 6.e3 Be6 7.Bb5 Bd7 (7...Nh6 8.a3 Bc5 9.d4+–) 8.Qh5 Ke7 (8...Kf8 9.Nf3 Ne5 10.Ne5 de5+–) 9.Qh7 Ke6 10.Bc4 d5 11.Qe4 Kf7 12.Bd5 Kf8 13.Qg6 (13.Qh7 Ne5 14.Nf3 Qc8 15.Qg8 Ke7 16.Bf6 Kd6 17.Be5 Kc5 18.Bd4 Kb5 19.Bc4 Ka5 20.Qd5 c5+–) 13...Ke7 14.Bg8 (better is 14.c3 Qe8 15.Qe4 Kd6 16.Bc6 Bc6 17.Qb4 Kd7+–) 14...Bd6 (14...Qg8 15.Bf6 Kf8 16.Qh6 Kf7+–) 15.Qf7 1–0. Gusson,Jurgen – Hvala,Arja Ela, Mureck AUT, 2014.

4.Bg7+– Nd7

5.c3 Bc5 6.Bh8 Qe7 7.e3 Bb6 8.Qh5 (8...Ndf6 9.Qh4+–; 8.Qg4 Nh6 9.Qf4 Ng8+–) 1–0. chrisalvin2005 (1655) – C_Artist_Think, chessHere.com, 2006.

5.Bh8 b5 6.Bc3 Bc5 7.d4 b4 8.dc5 bc3 9.cd6 cd6 10.e4 Qc7 11.Bd3 Bb7 12.Nf3 0–0–0 13.0–0 Re8 14.Qe2 d5 15.Ba6 Re4 16.Bb7 Qb7 17.Qd1 Ngf6 18.Nc3 Rc4 19.Rb1 Qc6 20.Nd4 (20...Qc5 21.Nb3+–) 1–0. reddragonx (1745) – pituflu, internet, 2007.

4.Bg7+– Be6

5.c3 Bc5 6.Bh8 Qh4 7.g3 Qg5 8.Nf3 Qd5 9.Bg2 Nc6 10.0–0 0–0–0 11.Nd4 Qc4 12.Nc6 bc6 13.d3 Qg4 14.Nd2 Nh6 15.Ne4 Rh8 16.Nf6 Qf5 17.Ne4 Ng4?? 18.Qa4+– Kd7 19.Nc5 dc5 20.Qc6 Ke7 21.Qc7 Kf6 22.Be4 Qe5 23.Qe5 Ne5 24.c4 Ng4 25.Rab1 Ke5 26.Rb7 Ra8 27.Re7 Kd4 28.Ba8 Nh6 29.Ra7 Nf5 30.Be4 h5 31.Bf5 Bf5 32.Rf7 Ke5 33.Rb1 Ke6 34.Rc7 Kd6 35.Rbb7 Be6 36.Rh7 Kc6 37.Rb5 Bg4 38.e4 Bf3 39.Rh6 (39...Kc7 40.Rc5 Kb7 41.Rf5 Bg4 42.Rf7 Ka8 43.Rh8 Bc8 44.Rc8#; 39.e5 Bd5 40.Rbb7 Bc4 41.dc4 h4 42.Rhc7#) 1–0. gtate (1765) – ofi (1690), net–chess.com, 2002.

5.Bh8 Nc6 6.e3 Qe7 7.Bc3 Bc5 8.d4 Bb6 9.d5 Bd7 10.dc6 Bc6 11.Nf3 0–0–0 12.Bd3 Nf6 13.Nbd2 Rg8 14.Bf5 Kb8 15.Bh3 Bb5 16.Rb1 Ba6 17.a4 Nd5 18.Ba1 Ne3= 19.c4 Nd1 20.Kd1 d5 21.Re1 Qa3+= 22.cd5?? Bd3–+ 23.Rc1?? Qa4 24.Nb3 Qb3 25.Kd2 Qd5 26.Rc3 Be4 (27.Kc1 Ba5 28.Re4 Bc3–+) 0–1. wlittle (2160) – marshall (1995), net–chess.com, 2005.

5.Bh8 Nd7 6.Bc3 Bc5 7.d4 (7...Bb6 8.d5+–) 1–0. mic (2120) – vladimirputin (1630), net–chess.com, 2007.

4.Bg7+– Bf5

5.Bh8 d5 6.Nf3 +–.

5.Bh8 Qe7 6.c3 Ba5 7.g3 Nc6 8.Bg2 f6 9.Nf3 0–0–0 10.0–0 Nh6 11.Bf6 Qf6 12.d3 a6 13.e4 Bd7 14.d4 Ng4 15.h3 Nh6 16.e5 de5 17.de5 Ne5 18.Qd5 Nf3–/+ 19.Bf3 Bc6 20.Qa5?? Bf3 21.Na3 Qg6 22.Nc4 Nf5 23.Kh2 Bc6?? 24.Ne5+– Qd6 25.Nc6 Qc6 26.Rad1 Nd6 27.Qb4 Nb5?? 28.Qg4 Kb8 29.Rd8 Ka7 30.c4 Nc3 31.Qd4 b6 32.Qc3 b5 33.c5 (33…h6 34.a4 ba4 35.Ra1+–; 33.Qe3 Kb7+–) 1–0. MasterofDisaster – ParSec, Live Game Caissa's Web, 2004.

5.Bh8 f6 6.c3 Bc5 7.e3 Nd7 8.d4 Bb6 9.Qf3 Ne7 10.Bc4 Bg6 11.Bf6 1–0. pierre (2015) – sociale63, internet, 2006.

4.Bg7+– f6

5.e3 Bf5 6.Bh8 Nc6 7.c3 Bc5 8.d4 Bb6 9.Nd2 Qe7 10.Qf3 Bg6 11.Ba6 Qd7 (11...Nd8 12.Bb7 Nb7 13.Qb7 Rd8+–) 12.Bb7 d5 13.Ba8 Bd3 14.e4 Ne5 15.de5 de4 16.Be4 Qa4 1–0. guest1460 – guest424, ICC, 2003.

5.Bh8 c6 6.c3 Ba5 7.e3 Qd7 8.Qh5 Kd8 9.Bc4 d5 10.Be2 h6 11.Qg6 Qe8 12.Bf6 Ne7 13.Qe8 Ke8 14.Be7 Ke7 15.Nf3 Ke6 16.Nd4 Kd6 17.0–0 a6 18.Nb3 Bb6 19.d4 Nd7 20.Bg4 c5 21.Bd7 Bd7 22.dc5 Bc5 23.Nc5 Kc5 24.Nd2 Rg8 25.g3 Bh3 26.Rfe1 h5 27.Rab1 b5 28.Nb3 Kc4 29.Rbc1 h4 30.Red1 hg3 31.Rd4# 1–0. tanto (1735) – capelinhos, net–chess.com, 2002.

5.Bh8 Nc6 6.e3 Bd7 7.Bc4 Nge7 8.Bf6 Bf5 9.Nf3 Qd7 10.Bb5 0–0–0 11.Be7 Qe7 12.Bc6 bc6 13.Nd4 Qf6 14.c3 Bc5 15.Nc6 Rg8 16.g3 Be4 17.Rg1 Bc6 18.d4 Bb6 19.Nd2 Ba5 20.Qb3 Rf8 21.f4 Qe7 22.0–0–0 Qe3 23.Rge1 Qd3 24.Nc4 Qc3 25.Qc3 Bc3 26.Re3 Bb4 27.a3 Ba3 28.Ra3 Kb8 29.Rd2 d5 30.Na5 Bb5 31.Rb2 a6 32.Nc6 Kb7 33.Ne7 Rd8 34.f5 Rf8 35.g4 c6 36.h4 Kc7 37.Re3 a5 38.Rf2 Kd7 39.f6 Rf7 40.h5 h6 41.Rf5 Ke8 42.Ng8 Kf8 43.Nh6 Rh7 44.f7 c5 45.dc5 d4 46.Re6 Bd7 47.Ref6 Bf5 48.Nf5 d3 49.c6 Rf7 50.Rf7 Kf7+– 51.c7 Kf6 52.c8Q Kg5 53.Qg8 Kf6 54.h6 a4 55.Qd8 Kg6 56.Qd3 Kh7 57.Qd4 Kg8 58.Qg7# 1–0. Berghahn,Nina – Spangenberg,Pia, GER–chT U20 Girls, 2002.

5.Bh8 Nc6 6.e3 Be6 7.Bb5 Qd7 8.Qf3 (8.c3 Ba5 9.Ne2 0–0–0+–) 8...0–0–0 (8...a6 9.Ba4+–) 9.Bc6 (9.Ne2 Nge7 10.Bf6 Rf8+–) 9...bc6 (9...Qc6 10.Qc6 bc6+–) 10.Bf6 (10.Ne2 Rf8+–) 10...Nf6 (10...Bd5 11.e4 Be4+–) 11.Qf6 d5 12.Qd4 Bf8 13.Qa7 (better is 13.Nf3 c5 14.Qh4+–) 13...Qg7 14.d4 (better is 14.Nf3 Qa1 15.0–0+–) 14...Qg2+/– 15.Qa6 Kd7 16.Qf1 (16.Nd2!? Bd6 17.0–0–0 Qh1 18.f4 Qh2 19.Ngf3+/–) 16...Qh1+= 17.Nd2 Qh2 (better is 17...Bb4!?+=) 18.Ngf3+/– Qh5 19.0–0–0?? (better is 19.Ne5 Ke8 20.Nc6+–) 19...Ba3+= 20.Kb1 Rb8 21.Nb3?? Qf3–+ 22.Rd3 Bf5 23.Rc3 Bb4 24.Rc5 Bc5 25.dc5 Qe4 26.Qd1 h5 27.Ka1 Qe5 28.Nd4 h4 29.Qh5 Rh8 30.Qf7 Qe7 31.Qf5= Kd8?? 32.Nc6+– Ke8 33.Ne7 Ke7 34.Qe5 Kf7 35.Qh8 1–0. Menze,Gerold – Mai,Robin Jannis, Niedersachsen–ch, 2008.

5.Bh8 Nc6 6.e3 Qe7 7.c3 Ba5 8.Ne2 +–.

5.Bh8 Bd7 6.Nc3 (6.e3 Kf8+–) 6...Bc6 7.e3 Nd7 8.Qh5 Ke7 (8...Kf8 9.Nf3 Bc3 10.dc3 Qe7+–) 9.Qh7 Kf8 10.Qg7 (better is 10.Bc4 d5 11.Nd5 Bd5 12.Bd5 Nh6 13.Bg7 Ke8 14.Bh6 Qe7 15.Qg8 Nf8 16.Bb7 Rb8 17.Bc6 Kd8+–) 10...Ke8 11.Qg8 Nf8 12.Bd3 (better is 12.Nd5 Bd5 13.Qd5 c6 14.Qh5 Ke7+–) 12...f5 13.Bf5 Qe7 14.Qg7 (better is 14.Nf3 Bc3 15.Bc3 Be4+–) 14...Qg7 15.Bg7 Bd7 (15...Bg2 16.Be4 Bc3 17.Bg2 Bg7 18.Rb1+–) 16.Bf8 (better is 16.Bd7 Kd7 17.Rb1 Ba5 18.Bf8 Rf8+–) 16...Kf8 17.Bd7 1–0. Willi_weizenkeim – Grizzly, playchess.de, 2004.

5.Bh8 Nd7 6.e3 b6 (6...Nh6+–) 7.Qh5 Ke7 8.Qh7 Ke6 9.Bc4 (Better is 9.Qe4 Ne5 10.Qa8 Ne7+–) 9...d5 10.Bd3 (Better is 10.Qh3 f5 11.Bd5 Kd5 12.Qf5 Kd6 13.Qd3 Ke7 14.Qe4 Kf7 15.Qd5 Kf8 16.Qa8 Ngf6+–) 10...Kd6 11.Nf3 c5 12.0–0 c4 13.Bf5 Kc7 14.Bd7 Bd7 15.c3 Bd6 16.a4 Qe8 17.a5 Kc6 18.ab6 Kb6 19.Na3 Bg4 20.Nd4 Qe5 21.Rfb1 Kc5 22.Rb5# 1–0. var – j08, Live Game Caissa's Web, 2004.

5.Bh8 Be6 6.Nf3 Nc6 7.e3 Qe7 8.c3 Ba5 9.Be2 0–0–0 10.Bf6 Nf6 11.0–0 Qf7 12.Ng5 Qg8 13.Ne6 Qe6 14.h3 Rg8 15.Bf3 Ne5 16.d4 Ned7 17.Qb3 Bb6 18.Qe6 (18...Re8 19.Qb3+–) 1–0. gtate (1815) – redrook (2350), net–chess.com, 2008.

5.Bh8 Qe7 6.c3 Bc5 7.e3 Qf8 8.d4 Bb6 9.Qh5 Qf7 10.g4 Ne7 11.Bf6 Bg4 12.Qf7 Kf7 13.Be7 Ke7 14.Nh3 Nd7 15.Nf4 Rg8 (15...Nf6 16.Nd2+–) 16.Rg1 Nf6 17.h3 Bf5 18.Rg8 Ng8 19.Nd5 Kd7 20.Nb6 ab6 21.a4 Nf6 22.Nd2 Bg6 23.c4 c6 24.a5 ba5 25.Ra5 Kc7 26.f3 Nd7 27.Ra3 c5 28.Bd3 cd4 29.ed4 Nf6 (29...Bd3 30.Rd3 d5 31.cd5+–) 30.Bg6 hg6 31.Kf2 Nh5 32.h4 Nf4 (32...Ng7 33.Ra5 Ne6 34.Ke3+–) 33.Ra1 (33.Ra8 b6+–) 33...Kd7 34.Nb3 Kc7 35.Kg3 Nh5 (35...Nd3 36.Ra8 Nb2 37.Nd2+–) 36.Kg4 Kd7 37.Kg5 Kc6 (37...d5 38.c5 Ke6 39.f4+–) 38.Kg6 Nf4 39.Kf5 Nh5 40.Kg5 Ng7 41.h5 Nh5 42.Kh5 (better is 42.d5 Kc7 43.Kh5 b5+–) 42...Kc7 43.f4 Kd7 44.f5 Ke7 45.Kg6 Kf8 (45...d5 46.f6 Kd7 47.Nc5 Kd6 48.f7 Kc6 49.f8Q Kc7 50.Qe7 Kc6 51.Qb7 Kd6 52.Ra6) 46.Ra8 Ke7 47.f6 Kd7 (47...Ke6 48.f7 Kd7 49.f8Q Kc6 50.Qd8 d5 51.Rc8) 48.f7 b5 (48...d5 49.f8Q Kc6 50.Na5 Kd7 51.cd5 Kc7 52.Qd8) 49.f8Q d5 (49...bc4 50.Rc8 cb3 51.Qe8) 50.Qf7 Kc6 51.Ra6 1–0. Wilson,Mark L (1765) – Wang,Aaron Ziwen, Oceania Zonal, 2015.

5.Bh8 Qe7 6.Nf3 Bg4 7.Nh4 Nc6 8.h3 Bh5 9.g4 Bf7 10.Nf5 Qe5 11.Ng7 Kd7 12.e3?? Nh6?? 13.Bc4?? Bc4=+ 14.c3 Rh8 15.Nf5?? Nf5–+ 16.gf5 Ba5 17.Na3? Rg8 18.Qa4?? Bd3 19.Nc4?? Bc4 20.Qc4–/+ Qf5?? 21.Qg8+– Ne5 22.Qg7 Kc6 23.Rb1?? Nd3 24.Ke2 Ne5?? 25.Qg2+– d5 26.c4?? Qd3 27.Ke1 Qd2 28.Kf1–+ Qd3 29.Kg1 Qb1 30.Kh2 Qg6?? 31.cd5 (31...Kd6 32.e4–+; 31.Qd5 Kb6 32.Qb5#) 1–0. guest431 – guest403, ICS blitz, 2000.

5.Bh8 Bf5 6.c3 Bc5 7.d4 Bb1 8.Qb1 Qe7 9.Qb7 Bb6 10.Qa8 (10...Qd8 11.Qd5+–) 1–0. gtate (2060) – miodrag (2030), net–chess.com, 2006.

5.Bh8 Nh6 6.c3 Bc5 7.d4 +–.

5.Bh8 Nh6 6.c3 Bc5 7.e4 Nf7 8.Qh5 Ke7 9.Bc4 Nh8 10.Qh7 Ke8 11.d4 d5 12.Qh8 Ke7 13.Qg7 Ke8 14.Bd5 c6 15.Qf7# 1–0. pierre – musantha, internet, 2008.

4.Bg7+– Nf6

5.Bh8 Nc6 6.e3 Bg4 7.Nf3 Qe7 8.Be2 0–0–0 9.0–0 Rh8 10.c4 Rg8 11.d4 (better is 11.Kh1!?+–) 11...Bh3+/– 12.g3 Ne4 13.Qb3 Bf1 14.Bf1 Qf6 15.Bg2 (15.Bh3!? Kb8 16.Kg2+/–) 15...Be1+= 16.Qc2 (better is 16.Kf1 Bf2 17.Nc3 Nc3 18.Qc3 Bg3 19.hg3 Rg3 20.Kf2+/–) 16...Bf2–/+ 17.Kf1? (17.Kh1 Qf5 18.Na3 Be3 19.Qb3 Nf2 20.Kg1 Nd3 21.Kh1–/+) 17...Qf5?? (better is 17...Be3 18.Qe4 Bd4–+) 18.Qb3+= Bg3 19.hg3 Rg3 20.Qd1 (20.Qb2 Rf3 21.Kg1 Re3 22.Na3–+) 20...h5 (better is 20...Rg2 21.Qe2 Re2 22.Ke2 Qg4–+) 21.Nbd2 (21.Qe2+=) 21...Rg2 (better is 21...Nd2 22.Qd2 Rf3 23.Bf3 Qf3 24.Qf2 Qh1 25.Qg1 Qe4–/+) 22.Kg2?? (better is 22.Ne4 Qg6 23.Nf2=) 22...Qg4–+ 23.Kf1 (23.Kh1 Nf2 24.Kh2–+) 23...Qh3 24.Kg1 (24.Ke1 Qg3 25.Ke2 Qg2 26.Kd3 Nb4 27.Ke4 Qg4#) 24...Qg3 25.Kh1 0–1. CountFromHolland – Madsenm, playchess.de, 2002.

5.Bh8 d5 6.e3 +–.

5.Bh8 Kd7 6.Bf6 Qf6 7.c3 Bc5 8.d4 Bb6 9.e4 Nc6 10.Nf3 Kd8 11.Bb5 Bg4 12.Nbd2 Bf3 13.Nf3 a6 14.Bc6 bc6 15.0–0 Kd7 16.e5 Qg6 17.d5 Rg8 18.g3 h5 19.Re1 f5 20.ed6 cd6 21.dc6 Kc7 22.Re7 Kd8 23.Rd7 Kc8 24.Rb1 Rg7 25.Rb6 Rd7 26.Rb8! Kc7 27.cd7 Kd7 28.Qa4 (28...Ke7 29.Rb7 Kf8 30.Qd7 Qg3 31.hg3 h4 32.Qc8#) 1–0. supertimchan (2075) – mwojo (1745), net–chess.com, 2004.

5.Bh8 Kd7 6.Bf6 Qf6 7.c3 Bc5 8.d4 Bb6 9.g3 c5 10.e3 cd4 11.Qg4 Kc7 12.Qf4 Qg7 13.cd4 Nc6 14.Na3 Be6 15.Nb5 Kc8 16.Nd6 Kd7 17.Nb7 Qf8 18.Bb5 Qb4 19.Kd1 Qb5 20.Nf3 Qa4 21.Ke1 Ba5 22.Na5 Qa5 23.Kf1 Qb5 24.Kg2 Re8 25.Rab1 Qf5 26.h4 Qf4+– (27.gf4 Bd5+–). malaysianisme – mwojo (1745), net–chess.com, 2004.

5.Bh8 Kd7 6.Bg7 Bc5 7.e3 d5 8.Qf3 Ne4 9.d3 Ng5 10.Qd5 Bd6 11.Nf3 f6 12.Ng5 fg5 13.Be5 Qe7 14.Bd6 cd6 15.Nc3 Na6 16.d4 Nb4 17.Qb5 Nc6 18.d5 a6 19.dc6 bc6 20.Qc4 d5 21.Nd5! cd5 22.Qd5 Kc7 23.Qa8 Qb4 24.Kd1 Qb2 25.Qa7 Bb7 26.Qd4 Qd4 27.ed4 h6 28.Kd2 Be4 29.Re1 Bd5 30.c4 Bf7 31.Re7 (31...Kd6 32.Rf7 Ke6 33.Rh7 Kf5 34.Bd3 Kf4 35.h3 g4 36.h4 g3 37.Rf7 Kg4 38.Be2#) 1–0. pierre – k_wilson, internet, 2006.

5.Bh8 Be6 6.Nf3 Bc5 7.Nc3 Nc6 8.e3 Qe7 9.Bb5 0–0–0 10.Bf6 Qf6 11.Bc6 bc6 12.Rb1 d5 13.d4 Bd6 14.0–0 Rg8 15.Ne2 Qf3 16.Ng3 Qf6 17.Qd3 h5 18.Qh7 Qg5?? 19.Qh5 Qg7 20.Qe2 Bh3 21.gh3 Qh6 22.Qf3 Qh3 23.Qf7 Rh8 24.Qf5 (24…Qf5 25.Nf5 Bh2 26.Kg2+–) 1–0. TriAngel – dal, ICC, 1999.

5.Bh8 Bf5 6.c3!? Bc5 +–.

5.Bh8 Bf5 6.e3 Nc6 7.Nf3 Qe7 8.c3 Bc5 9.Be2 0–0–0 10.Bf6 Qf6 11.Nd4 Nd4 12.cd4 Bb6 13.Nc3 Rg8 14.Nd5 Qh4 15.Bf3 Be6 16.Rc1 c6 17.Nb6 ab6 18.d5 1–0. algernon (2290) – phoenixd (2200), net–chess.com, 2005.

5.Bh8 Bf5 6.Bf6 Qf6 7.c3 Bc5 8.Nf3 Nc6 9.d4 Bb6 10.e3 Kd7 11.Qa4 Be4 (11...Kc8 12.Nbd2+–) 12.Nbd2 Bf3 13.gf3 Kd8 14.Rg1 Ke7 15.f4 Ba5 16.Rb1 Rb8 17.Bb5 Bc3 (17...Bb6 18.d5 Na5 19.Qe4 Kf8 20.Qh7+–) 18.Bc6 Bd2 (18...Qf5 19.Ke2 Qc8 20.Qa7 Bd2 21.Bb7+–) 19.Kd2 1–0. marekt (1750) – supergermany, gameknot.com, 2013.

5.Bh8 Kf8 6.c3 Ba5 7.Qa4+–.

5.Bh8 Ng4 6.f3 Nh6 7.Bc3 Bc5 8.d4 (8...Bb6 9.e4+–) 1–0. wlittle (1705) – eraymond (1670), net–chess.com, 2001.

5.Bh8 Ne4

6.c3 Ba5 7.d3 Nc3 8.Bc3 Bc3 9.Nc3 Nc6 10.Nf3 Bg4 11.Qa4 Qf6 12.d4 Rd8 13.e3 Rd7 14.Be2 h5 15.0–0 a6 16.Nd5 Qe6 17.Nf4 Qe4 18.Ng5 Qf5 19.Bg4 Qg4 20.Ne4 b5 21.Qb3 Na5 22.Qd5 Re7 23.Nf6 Kd8+– 24.Ng4 hg4 25.Nh5 Nc4 26.Nf6 Re6 27.Qa8 Ke7 28.Nd5 Kd7 29.Qa6 Nd2 30.Qb5 c6 31.Qb7 Ke8 32.Nc7 Kf8 33.Ne6 Kg8 34.Qc8 Kh7+– 35.Ng5 Kg6 36.Qg8 Kf5 37.e4! Kf6 38.Rfe1 d5 39.ed5 cd5 40.Qf7 Kg5 41.Re5 Kh4 42.Rh5# (42.Qf6#) 1–0. Kaczmarek,Michal – Marshall,Derek, IECC, 1998.

6.c3 Bc5 7.Qa4 Nc6 8.Qe4 Be6 9.Qh7 f5 10.Bg7 Ne7 11.a4 Qd7 12.d4 0–0–0 13.Bh6 b5 14.Bg5 ba4 15.dc5 dc5 16.Nd2 f4 17.Ngf3 Bf5 18.Qe7 Qe7 19.Be7 Re8 20.Bg5 (20…Bc2 21.Bf4+–) 1–0. marekt – jonzer, ChessWorld.net, 2004.

6.c3 Bc5 7.Qa4 Nc6 8.Qe4 Ne7 9.d4 Bb6 10.Bf6 Bf5 11.Qb7 Rb8 (11...d5 12.e3+–) 12.Qf3 Ba5 (12...Qd7 13.e4 Bg4 14.Qf4+–) 13.Be7 Qe7 14.Qf5 Rb2 15.Qa5 Qg5 16.Qg5 c5 17.dc5 Rc2 18.cd6 Rc1 (18...Kd7 19.Qe7 Kc6 20.e4 Rc1 21.Kd2 Rf1 22.Qc7 Kb5 23.Na3 Ka6 24.Qc6 Ka5 25.Nc4) 19.Qc1 (19...h6 20.Qe3 Kf8 21.Qh6 Ke8 22.Qf6 Kd7 23.Qe7 Kc6 24.e4 a6 25.Qc7; 19.Kd2 Kd7 20.Qe7 Kc6 21.e4 Rf1 22.Qc7 Kb5 23.Na3 Ka6 24.Qc6 Ka5 25.Nc4) 1–0. kamera – marmoset, GameColony.com, 2002.

6.c3 Bc5 7.Qa4 Kf8 8.Qe4 Kg8 9.Bd4 +–.

6.c3 Ke7 7.Qc2 Bf5 8.Bf6! Kf6 9.cb4 Kg7 10.d3 Nf6 11.e4 Bg6 12.Nf3 Nc6 13.b5 Ne5 14.Be2 c6 15.bc6 Rc8 16.Nc3 Rc6 17.0–0 Nf3 18.Bf3 d5 19.Qb2 de4 20.Ne4 Qb6 21.Qb6 Rb6 22.Rfb1 Rb1 23.Rb1 b6 24.Rc1 Nd5 25.Nd6 Nb4 26.d4 a6 27.h4 h5 28.Rc7 Kf8 29.a4 Nc2 30.Bh5! Nd4 (30...Bh5 31.Rc8) 1–0. COMP – COMP, 2001.

6.c3 Ke7 7.Bd4 Ba5+–.

6.Nf3 Nd7 7.c3 Bc5 8.d3 Bf2# 0–1. Nautiluschess – stupido, ICS blitz, 2001.

6.Nf3 Bg4 7.c3 Bc5 8.d3 Nf2 9.Qa4 Bd7 10.Qf4 Nh1? 11.Bf6 Qc8? 12.Qe4 Kf8?? 13.Qh7 Be6 14.Qh8# 1–0. gtate (1810) – ofi (1675), net–chess.com, 2002.

6.Nf3 Bg4 7.e3 f6 8.Be2 Ke7 9.Bg7 Qg8 10.Bh6 Qg6 11.Bf4 Nc6 12.Nh4 Be2 13.Ng6 hg6 14.Qe2 g5 15.Qd3 f5 16.Bg3 Rd8 17.a3 Ne5 18.Qb3 Ba5 19.Nc3 Nc5 20.Nd5 Kf8 21.Qa2 c6 22.Be5 de5 23.Nf6 Rd2 24.Qg8 Ke7 25.Qg7 Ke6 26.Kf1 Bc3 27.Rb1 Rc2 28.g3 Rd2 29.Kg2 Nd3 30.Rhf1 e4 31.Qg5 Bf6+– 32.Qg6 Ne5 33.Qe8 Kd6 34.Rb7 Rd3 35.Ra7 Nf3 36.Rd7 Kc5 37.Rc1 Bc3 38.Rd3 ed3 39.Rc3 (39...Kb6 40.Qb8 Ka6 41.Rc6 Ka5 42.Qb4) 1–0. Istvanny (1625) – gerlandog, internet, 2007.

4.Bg7+– Bg4

5.c3 Bc5 6.Qa4 b5 7.Qg4 Bf2 8.Kf2 Nf6 9.Qf3 Ke7 10.Bf6 (10...Kd7 11.Bd8 Rd8 12.Qa8+–) 1–0. Easyii – virtualguy, Live Game Caissa's Web, 2004.

5.Bh8 d5 6.Nf3 Nf6 7.e3 b5 8.Bf6 Qf6 9.h3 Qg5?? 10.c3 Ba3 11.Na3 Nc6 12.Bb5 a6 13.Bc6 Ke7 14.Ba8 (14...Qh5 15.Bd5+–) 1–0. guest845 – guest37, ICC, 1999.

4.Bg7+– Qg5

5.Bh8 Nc6 6.Bc3 Bc5 7.Nf3 Qg6 8.e3 Bg4 9.Be2 0–0–0 10.h3 Bf5 11.d3 Qg2 12.Rg1 Qh3 13.Nbd2 Ne5 14.Ne5 de5 15.d4 ed4 16.Bd4 Bb4 17.c3 Be7 18.Qb3 Bh4 19.Bf3 c6 20.0–0–0 Be6 21.Qa4 a6 22.Qa5 c5 23.Be5 Kd7 24.Qc5 Ke8 25.Rg8 Kd7 26.Qd6 Kc8 27.Qc7# 1–0. chevin – Paranoid105, Live Game Caissa's Web, 2004.

5.Bh8 Qd2 6.Nd2 Bd2 7.Qd2 (7...Nc6 8.Rb1+–) 1–0. mrkt – aswin15380, Yahoo, 2005.

5.Bh8 Bd2 6.Nd2 Bf5 7.Ngf3 Bc2 8.Qc2 Nh6 9.Ng5 Ng4 10.Qc7 Na6 11.Qf7 Kd8 12.Ne6 Kc8 13.Qe8# 1–0. goco (1765) – nachodynamite, internet, 2007.

5.Bh8 Ne7 6.Nf3 Qg8 7.Bb2+–.

5.Bh8 Bf5 6.Nf3 Bc2 7.Qc2 Nc6 8.Ng5 Nh6 9.Qh7 0–0–0 10.Qh6 Re8 11.Nf7 Ne5 12.Ne5 de5 13.Be5! Re5 14.Qh8 Kd7 15.Qe5 Bd6 16.Qg7 Be7 17.Nc3 c5 18.g3 b6 19.Bh3 (19...Kd6 20.Qg4 Bf8 21.Qe6 Kc7 22.Nd5 Kd8 23.Qd7#) 1–0. Woelfelschneider,Peter – Krahl, TRE56.01, 2001.

5.Bh8 Qh4 6.c3 Bc5 7.d4 Bb6 8.Nf3 Qh6 9.e4 Bg4 10.Bb5 c6 11.Bc4 Nd7 12.Nbd2 (12.Qd2!? Qg6 13.Qf4 Bf3 14.gf3 Ne7+–) 12...Ne7 13.h3 Bh5 (13...Be6 14.Be6 Qe6 15.a4+–) 14.d5 (14.g4 Bg4 15.Bg7 Qh5+–) 14...0–0–0 (14...f6 15.dc6 bc6 16.g4 Bg4 17.Bg7+–) 15.dc6 Nc6 16.Bd4 Bd4 17.cd4 Nd4 18.Rc1 Kb8 19.0–0 Ne5 20.g4 Rg8 21.Ne5 de5 22.f4 ef4 23.Nf3 Bg4 24.hg4 Rg4 25.Kf2 Rg3 26.Qd4 1–0. raddykko – kobaad (1625), GameColony.com, 2002.

5.Bh8 Nh6 6.Nf3 Qg4 7.Nc3 Qg8 8.Nd5 Kd7 9.Nf6 (9...Ke7 10.Ng8 Ng8 11.c3+–) 1–0. pierre – Anti_Minutemen, ChessWorld.net, 2005.

5.Bh8 f6

6.c3 Bc5 7.d4 Bb6 8.Nd2 Bg4 9.Ngf3 Qg6 10.e4 Ne7 11.h3 Bd7 12.a4 (12.Nh4 Qh6 13.Nf5 Nf5 14.ef5 d5+–) 12...a6 (12...Nbc6 13.d5 Na5 14.Bb5+–) 13.a5 Ba7 14.Qb3 (14...b5 15.ab6 Bb6 16.Bc4+–) 1–0. kamret (2185) – KillerAnand (1625), GameColony.com, 2003.

6.c3 Bc5 7.d4 Bb6 8.e4 Ne7 9.Nf3 Qg8 10.Bf6 Be6 11.Ng5 Nd7 12.Qh5 Bf7 13.Nf7 Qf7 14.Qf7 Kf7 15.Bg5 Rf8 16.Bc4 Ke8 17.Rf1 Ng6 18.f4 Nf6 19.Bh6 Rh8 20.Bg7 Ne4 21.f5 Ne7 22.Bh8 Kd7 23.f6 Ng6 24.f7 d5 25.Bd5 Nd6 26.Rf6 Nh8 27.f8Q Ng6 28.Rd6! cd6 29.Qf7 Kd8 30.Be6 Ne7 31.Qf8 (31...Kc7 32.Qe7 Kb8 33.Qe8 Kc7 34.Qc8#) 1–0. pozarski (1965) – NN, GameColony.com, 2002.

6.c3 Bc5 7.d4 Bb6 8.Nf3 Qg6 9.Na3 c5 10.Nb5 cd4 11.Nd6 Kd7 12.Nc4 Ne7 13.Nfe5! fe5 14.Ne5 Kd6 15.Ng6 Ng6 16.Bd4 Bd4 17.Qd4 (17...Ke7 18.Qg7 Ke8 19.Qh7+–) 1–0. pierre – cyclone526, internet, 2008.

6.Nf3 Qf4 7.e3 Qf5 8.Bd3 Qg4 9.0–0 Na6 (9...Nd7 10.h3 Qh5 11.Nd4 Qd1 12.Rd1+–) 10.Bh7 Qh5 11.Bg8 Qh8 12.Bc4 Qg7 (12...Bd7 13.d4+–) 13.Kh1 (13.c3 Bc5+–) 13...f5 (13...Bd7 14.d4+–) 14.c3 Bd7 15.Qb3 c5 16.Na3 b6 17.cb4 cb4 18.Nc2 b5 19.Bd5 f4 20.Ba8 fe3 21.Qe3 Kf8 22.Qa7 Nc5 23.Qb8 Ke7 24.Rfe1 Ne6 25.Nb4 Qb2 26.Nd5 Kf7 27.Nb6 Qc2 28.Nd7 Nd4 29.Qe8 (29...Kg7 30.Re7 Kh6 31.Qh8 Qh7 32.Qh7#) 1–0. Familyfork – souperman, Live Game Caissa's Web, 2004.

6.Nf3 Qg6 7.c3 Ba5 8.Na3 +–.

6.Nf3 Qg6 7.c3 Ba5 8.Qb3 Nc6 9.g3 Bb6 10.Bg2 Bf5 11.Nh4 Qg5 12.Nf5 Qf5 13.Qg8 (13...Ke7 14.Qg7 Ke6 15.d4+–) 1–0. coloplayah (2035) – nhathuy (2180), net–chess.com, 2005.

6.Nf3 Qg6 7.c3 Ba5 8.Nd4 Bd7 9.Qb3 Bb6 10.Qd5 Bd4 11.cd4 Bc6 12.Qe6 Kd8 13.f3 Bd7 14.Qe4 Nc6 15.Qg6 hg6 16.e3 Nb4 17.Na3 Ke7 18.Bc4 Nh6 19.Bg7 Nf5 20.Rb1 a5 21.Bf6 Kf6 22.Kf2 d5 23.Be2 b6 24.Rb2 Rc8 25.Nc2 Nc2 26.Rc2 c5 27.Rb1 cd4 28.Rb6 Kg5 29.f4 Kh6 30.Rc8 Bc8 31.Rc6 Bb7 32.Rc7 de3 33.de3 Nd6 34.Rd7 Ne4 35.Ke1 Bc6 36.Rc7 Ba8 37.g4 g5 38.Bb5 Nd6 39.a4 Ne4 40.Ra7 1–0. baraka – Wilmy, HCL–T104 playchess.de, 2003.

5.Bh8 Nf6

6.e3 d5 7.Nf3 Qg6 8.Nc3 +–.

6.e3 Kf8 7.c3 Ba5 8.Bf6 Qf6 9.d4 b6 10.Qf3 Qf3 11.Nf3 Bf5 12.Bc4 Be4 13.0–0 d5 14.Bb3 c6 15.Nbd2 (15.c4 Bf3 16.gf3 dc4 17.Bc4 Ke7+–) 15...Bd3 (15...Bc3 16.Rac1 Bb2 17.Ne5 Bc1 18.Rc1+–) 16.Rfe1 (16.Rfc1 Ke7+–) 16...Nd7 (16...Bc3 17.Rac1 Bb4 18.Bc2+–) 17.c4 (better is 17.Rac1 Re8+–) 17...dc4 18.Nc4 Be1 19.Re1 Ke7 (19...f6 20.e4+–) 20.Nce5 Be4 21.Nd7 Kd7 22.Ng5 Bg6 23.Nf7 Kc7 24.e4 White plans d5 24...Re8 25.e5 a5 26.Nd6 Re7 27.d5 b5 28.Nb5! Kb6 29.d6 Rg7 30.Nc7 Kb7 31.e6 Kc8 32.e7 Kd7 33.e8Q Be8 34.Ne8 Rg6 35.Re7 Kd8 36.f4 h5 37.f5 Rh6 38.f6 Rh8 39.Nc7 h4 40.d7 Kc7+– 41.Re8 Kd7 42.Rh8 h3 43.f7 hg2 44.f8Q a4 45.Qf7 Kd6 46.Rh6 Kc5 47.Qf5 Kb6 48.Qf2 Kb5 49.Rh5 Kb4 50.Ba4! c5 51.Qf4 c4 52.Rh4 Kc3 53.Qc4 Kb2 54.Re4 1–0. Gorniak,Weronika – Robakowska,Paulina, Mistrzostwa Miedzywojewodzkie Juniorek Poland, 2012.

6.Nf3 Qf4 7.e3 Qg4 8.Bf6 Qf5 9.Bb2 f6 10.a3 Bc5 11.d4 Bb6 12.c4 Qe4 13.Nc3 Qg6 14.Bd3 Qg2 15.Rg1 Qh3 16.Rg3 Qh5 17.Rg8 Kd7 18.Ne5! de5 19.Qh5 ed4 20.Qe8 (20...Kd6 21.Ne4#) 1–0. mrkt – FreshPrinc2, myChess.de, 2005.

6.Nf3 Qf5 7.e3 a6 (7...d5 8.a3 Bd6 9.Nc3+–) 8.a3 (8.c3 Bc5+–) 8...Ba5 9.Bd3 Qc5 (9...Ne4+–) 10.Bf6 Bf5 11.Bf5 (11.Bd4 Qd5+–) 11...Qf5 12.Bc3 Bc3 13.Nc3 Nc6 14.Qe2 (14.Rb1 0–0–0+–) 14...0–0–0 (14...Qc2 15.Rb1+–) 15.Nd4 Qg5 16.Nc6 bc6 17.Qa6 Kd7 18.g3 h5 19.h4 Qg4 20.Qe2 Qf5 21.a4 Qc2 22.Rb1 Ra8 23.Qc4 d5 24.Qf4 c5 25.Qf7 Kc6 26.Qd5# 1–0. Scirocco – painter1, Live Game Caissa's Web, 2004.

6.Nf3 Qg6 7.c3 Bc5 8.d4 Bb6 9.Nbd2 (9.Bf6 Qf6 10.e3 Nc6+–) 9...Bg4 (9...Ng4 10.e4 Qg8 11.h3 Nf2 12.Kf2 Qh8 13.Bc4+–) 10.h3 Bf3 11.Nf3 Nd5 (11...Ne4 12.Rc1+–) 12.Qb3 c6 13.a4 a5 14.Rd1 Nd7 15.g4 h6 16.Nh4 Qh7 17.Nf5 Qh8 18.e4 Ne7 19.Nd6 Kf8 20.Qf7# 1–0. orane (2010) – MichaelWyche (1675), Live Game Caissa's Web, 2004.

3.Be5 Bd6??

4.Bd6?? cd6 5.Nf3 d5 6.e3+/– Qf6 (7.d4 d6+/–). marcosr – perkinsguitar, net–chess.com, 2005.

4.Bg7+– Be5 5.Be5 Nf6 6.e4 +–.

4.Bg7+– Ne7 5.Bh8 Nd5 6.Nc3 Nc3 7.Bc3 Qe7 8.Nf3 Nc6 9.e3 Ne5 10.Nd4 b6 11.Nf5 Qe6 12.Ng7 Ke7 13.Ne6 Ke6 14.d4 Bb7 15.de5 Be5 16.Be5 Ke5 17.Qd7 Rc8 18.Qe7 Kd5 19.Bb5 Bc6 20.0–0–0# (20.Rd1#) 1–0. pierre – zsoltikaa, internet, 2008.

4.Bg7+– Nf6 5.Bh8 Be5 (5...Be7+–) 6.Nf3 (Better is 6.d4 Bd6 7.Nf3+–) 6...Ba1 7.c3 (7.Na3!? Ke7+–) 7...Nd5 (Better is 7...Qe7+–) 8.Na3 Bb2 (8...Qe7 9.Nb5 c6+–) 9.Nc4 Ke7 (9...Bc3 10.dc3 Ne7 11.Ng5+–) 10.Bd4 Nc6 11.Nb2 Nd4 12.Nd4 d6 13.e4 Nf6 14.Nf5 Bf5 15.ef5 Qg8 16.Qf3 d5 17.Bd3 Qg5 18.Qe2 Kd7 19.0–0 Rg8 20.Qf3 Qd2 21.Na4 Qa2 22.Nc5 Kc8 23.Rb1 b6 24.Nb3 Qa4 25.Bc2 Qe8 26.Ra1 Nd7 27.h3 a5 28.c4 Ne5 29.Qd1 Nc4?? 30.Qd5 Nd6 31.f6 Kb8 32.Na5! ba5 33.Qa5 Kc8 34.Qa8 Kd7 35.Ba4 c6 36.Bc6 Ke6 37.Be8 Re8 38.Re1 Kf6 39.Re8 Ne8 40.Qe8 (40...h5 41.Qh8 Ke6 42.Qh6 f6 43.Qh5+–) 1–0. PoPer – Waze, Live Game Caissa's Web, 2004.

3.Be5 Qe7??

4.Bb2 d5?? 5.c3?? Bd6 6.Nf3 Qe6 7.g3 Nh6 8.Bg2 Nf5 9.0–0 d4 10.cd4+= Bb4?? 11.e4! Ng3 12.hg3 Qe4 13.Re1 Qe7 14.Re7 Ke7 15.Nc3 Bd6 16.Nd5 Kd8 17.Ne5 f6 18.Nf7 Kd7 19.Nh8 Kc6 20.Nf6 (20...Kb5 21.a4 Ka5 22.Bc3 Kb6 23.Qb3 Bb4 24.Qb4 Ka6 25.Qa5#) 1–0. onurtasan – nachodynamite, internet, 2007.

4.Bb2 Nf6 5.Nf3 =+.

4.c3?? Ba5?? 5.Bg3 Nf6–/+ 6.e3 d5?? 7.Nf3?? Nc6 8.Bd3 0–0 9.0–0 Ng4 10.Qc2 g6 11.Bf4 Bb6 12.Ne5?? Nce5 13.f3 Nd3 14.Qd3 Bf5 15.Qb5 Qh4 16.d4?? g5 17.fg4 Bg4 18.Be5 Rfe8?? 19.Nd2? c6–/+ 20.Qb2 Re6 21.Nf3 Bf3 22.Rf3=+ Rae8 23.Raf1 f6 ½–½. jbumgar (1675) – jacksrking, net–chess.com, 2009.

4.c3?? Qe5 5.d4 Qe7 6.cb4 Qb4 7.Qd2 =+.

4.Bc7?! Nc6+=.

4.Bc7?! d5 5.Bg3 Nf6+=.

4.Nf3?? Nc6?? 5.Bg7+– (5...d5 6.Bh8+–; 5.Bc7?! d6 6.c3 Bc5=) 1–0. Fabbri – cole baker, internet, 2005.

4.Nf3?? d6?? 5.Bb2?? Bg4?? 6.c4 Bf3? 7.gf3?? Nf6= 8.Qa4 Nc6 9.Nc3 Bc3 10.Bc3 a6 11.Rb1+= 0–0 12.Rb7 Ne5 13.e3?? Nf3–+ 14.Kd1 Ne4 15.Bg2 Nf2 16.Kc1? Nh1 17.Bf3 Nf2 18.Qc2 Nh3 19.Qf5 Ng5 20.Rc7 Qd8?? 21.Ba8+– Ne6?? 22.Be4 g6 23.Qa5?? Nc7–/+ 24.Qb6 Ne6 25.Qa6 Nc5 26.Qc6 Re8 27.Bc2 Ne6 28.Bb4= Qf6?? 29.Bd6 Nd8?? 30.Qe8 1–0. thotares (1665) – milanista, internet, 2007.

4.Bg7+– Nc6 (--> 3.Be5 Nc6?? 4.Bg7+– Qe7).

4.Bg7+– Qd6 5.Bh8 Ne7 6.Nf3 Nd5 7.a3 Ba5 8.e4 Nf4 9.Be5 Qh6 10.g3 Ne6 11.Bc4 Nc5 12.Bc3 Bb6 13.d3 d6 14.Nd4 Bg4 (14...Bd7+–) 15.Qg4 Ne6 16.Be6 fe6 17.Qe6 Qe6 18.Ne6 Ke7 19.Ng7 Nd7 20.Nf5 Ke6 21.f4 c5 22.Nd2 a5 23.Nc4 Ba7 24.Ncd6 b6 25.Rb1 Rf8 26.Bg7 Rg8 27.Nb5 Bb8 28.Rf1 Nf6 29.Nbd4! (29...Kd7 30.Bf6 cd4 31.Rb6+–) 1–0. market (1685) – Maximas2, GameColony.com, 2002.

4.Bg7+– Bd6 5.Bh8 Be5 6.Be5 Qe5 7.d4 Qg7 8.c3 d5 9.g3 Nc6 10.Bg2 Be6 11.Nf3 0–0–0 12.a4 Re8 13.Nbd2 Bg4 14.a5 Nf6 15.0–0 h5 16.Qb3 Re2 17.Rfb1 b6 18.ab6 cb6 19.Ne5 Ne5 20.de5 Re5 21.Ra7 Nd7 22.Qa4 Nc5 23.Qc6 (23...Kd8 24.Qb6 Ke8 25.Qb8 Bc8 26.Qc8) 1–0. bentengutama (1955) – felippe (2130), net–chess.com, 2003.

4.Nf3?? Nf6

5.Bc7 d5 +=.

5.Bc7 d6 +=.

4.Bg7+– Bc5

5.Bh8 Ba5 6.e3 f6 7.Bd3 d5 8.Qh5 Ke7 9.Qh7 Ke6 10.Qg8 Ke5 11.Nf3 Kd6 12.Qf8 Kc6 13.Nd4 Kb6 14.Qf6 c6 15.Qd8# 1–0. ajeffries (2075) – mduerr (1700), net–chess.com, 2009.

5.Bh8 Qh4 6.g3 Qh5 7.e3 Qg6 8.Bd3 Qc6 9.Nf3 f6 10.0–0 d5 11.Nd4 Bd4 12.ed4 Be6 13.Re1 Nd7 14.Qh5 Kd8 15.Bh7 Qc2 16.Nc3 Qd2 17.Nb5 a6 18.Bg8 Bg8 19.Qe8# 1–0. Nautiluschess – laitsu, ICS, 2001.

4.Bg7+– d5

5.Bh8 Nf6 6.e3 +–.

5.Bh8 Nf6 6.Nf3 +–.

4.Bg7+– f6

5.Bh8 Bc5 6.e3 d5 7.Nh3 d4 8.Bc4 Qf8 9.Qh5 Kd8 10.Qh7 Ne7 11.Bg7 Qe8 12.Bf6 Nbc6 13.Ng5 Bd7 14.Nf7 Kc8 15.Qh8 Qh8 16.Bh8 Be8 17.Be6 Kb8 18.c3 b6 19.cd4 Nb4 20.Na3 Nc2 21.Nc2 Bd6 22.0–0 Ba4 23.Ne1 Bb5 24.d3 Bb4 25.Rb1 Nc6 26.d5 a5 27.dc6 Bc6 28.Bd4 Bb5 29.Nc2 Bd3 30.Nb4 Bb1 31.Rb1 ab4 32.Rb4 Ra6 33.h4 Ra2 34.Ba2 (34...c5 35.Rb6 Kc8 36.Be5 c4 37.Bc4 Kd7 38.Rb7 Kc6 39.Nd8 Kc5 40.Bd3 Kd5 41.Rb5#) 1–0. tschulz – Master1, mySchach.de, 2004.

5.Bh8 Nc6 6.e3 d6 7.Qh5 Qf7 8.Be2 Be6 9.Nh3 0–0–0 10.Qf7 Bf7 11.a3 Bc5 12.Nc3 Nce7 13.Nf4 Ng6 14.Bg4 Kb8 15.Ng6 Bg6 16.Nd5 Bc2 17.d4 Bb6 18.0–0 f5 19.Be2 Be4 20.Nb6 ab6 21.f3 Bc6 22.Bd3 Ne7 23.Bf6 Re8 24.Rac1 Nd5 25.Bg5 Rg8 26.h4 Re8 27.e4 fe4 28.fe4 Ne7 29.Be7 Re7 30.Rf4 Ka7 31.Rf6 b5 32.d5 Bd7 33.Rc7 Kb6 34.Rc2 Ka5 35.Rd6 Bg4 36.Rf6 h5 37.Rc5 b6 38.Rb5 Ka4 39.Rfb6 Ra7 40.Rb4 Ka3 41.Rb1 Ka2 42.Bc4 (42...Ka3 43.Ra1) 1–0. jaskier (2170) – milanista, internet, 2007.

5.Bh8 Qf8 6.c3 Bd6 7.Qc2 Qf7 8.c4 Ne7 9.Qb2 Be5 10.d4 Qc4 11.de5 fe5 12.Be5 d6 13.Nd2 Qc5 14.Bg3 Nbc6 15.Qh8 Kd7 16.Ngf3 Qc3 17.Qc3 (17...b6 18.Qg7+–) 1–0. pierre – PeterPawn, internet, 2008.

5.Bh8 Nh6 6.c3 Bc5 (6...Nf7 7.cb4 Nh8 8.e3+–) 7.d4 Bd6 (7...Nf7 8.Bg7 Ng5 9.Bh6+–) 8.Qd3 Qf7 (8...f5 9.Qh3 Qf8+–) 9.Qe3 Be7 10.Qh6 d6 11.e4 Nc6 (11...f5 12.Bd3+–) 12.Nd2 Bd7 13.Bg7 Qg6 14.h4 0–0–0 (14...Qh6 15.Bh6 a6 16.Rb1+–) 15.Qg6 hg6 16.h5 Rg8 (16...gh5 17.Rh5 Re8 18.Bc4+–) 17.h6 g5 18.h7 Rd8 19.h8Q Rh8 20.Rh8 Nd8 21.Bd3 a6 22.Rb1 b5 23.a4 c6 24.ab5 cb5 25.c4 Kc7 (26.cb5 ab5+–) +–. b4_player (2055) – drthrapp (1715), GameColony.com, 2002.

4.Bg7+– Nf6

5.Bh8 Nc6 6.e3 d6 7.Bb5 Bd7 8.Nf3 0–0–0 9.Bf6 Qf6 10.c3 Bc5 11.0–0 a6 12.Ba4 b5 13.Bc2 Qg7 14.d4 Bh3 15.Nh4 Rg8 16.Be4 Bb6 17.Bc6 Ba5 18.Qf3 Bg4 19.Qg3 Be2 20.Qg7 Rg7 21.Rc1 Bc4 22.Nf5 Rg5 23.e4 d5 24.Ne7 Kd8 25.Nd5 Bd5 26.Bd5 Ke7 27.Nd2 f6 28.Nb3 Bb6 29.a4 a5 30.ab5 Kd6 31.Na5 Ba5 32.Ra5 1–0. Trkn – Barrington, itsyourturn.com, 2000.

5.Bh8 d5 6.Nf3 +–.

5.Bh8 Ne4 6.c3 f6 (6...Qf8 7.Be5 Bd6 8.Qc2+–) 7.cb4 Qe5 (7...Qb4 8.e3 Qb2 9.Qh5 Kd8 10.Qf7+–) 8.d4 Qf4 9.Nf3 d5 10.e3 (10.e3 Qg4 11.Qa4 Kf7 12.Qa5+–) 1–0. Hal1958 – Kubik, playchess.de, 2005.

4.Bg7+– Qh4

5.Bh8 Bc5 6.d4 Bb4 7.c3 Bd6 8.Nf3 Qe4 9.Nbd2 Qf5 10.e4 Qe6 11.Be5 Be5 12.Bc4 Qg4 13.Ne5 Qd1 14.Rd1 d6 15.Nf7 Nc6 16.Nd6! cd6 17.Bg8 Bg4 18.f3 Bd7 19.Bh7 0–0–0 20.Nc4 Be6 21.d5 Bf7 22.0–0 a5 23.Rb1 Ne5 24.Na5 Nd3 25.Bf5 Kb8 26.Rb7 Ka8 27.Rf7 Rg8 28.Nc6 Nf4 29.Ra7# 1–0. Rosner,Dirk – Butz, Riepe–Einladungsturnier, 1999.

5.Bh8 Bc5 6.e3 Nf6 7.Bf6 Qf6 8.Nc3 Bb4 (8...Nc6 9.Nd5 Qe5 10.c4+–) 9.Nb5 (Better is 9.Nd5 Qd6 10.Bc4+–) 9...d6 (9...Ba5+–) 10.Nc7 Kf8 11.Na8 Bf5 12.Rb1 a5 13.Bd3 Bd3 14.cd3 Na6 15.d4 Qd8 16.a3 Ba3 17.Nb6 Bb4 18.Qa4 Qb6 19.Ne2 d5 20.Nc3 Qg6 21.0–0 Nc7 22.Nb5 Ne6 23.Nd6 Bd6 24.Rb7 Qh6 25.g3 Ng5 26.Qa5 Nf3 27.Kg2 Nh2 28.Rh1 (28...Qg5 29.Rh2+–) 1–0. pinecrest1981 – Maciel, Live Game Caissa's Web, 2004.

4.Bg7+– Nh6

5.Bh8 f6 6.e3 d6 7.c3 Ba5 8.Qh5 Nf7 9.Qa5 Nh8 10.Qa4 Bd7 (10...c6 11.d4+–) 11.Bb5 (Better is 11.Qb3 Bc6+–) 11...c6 12.Be2 b5 13.Qd1 Na6 14.Bh5 Kd8 15.Nf3 Nc5 16.Na3 Nd3 17.Ke2 Nf4 18.Ke1 Nh5 19.Qb3 Be6 20.Nd4 Kd7? 21.Ne6 Qe6 22.Qe6 Ke6 23.g4 Ng7 24.f4 f5 25.g5 a5 26.Nc2 c5 27.d4 cd4?! 28.Nd4 Kd5 29.Nb5 Rb8 30.a4 Ne6 31.Rd1 Kc4 32.Rd6 Nc5 33.Kd2 Ne4 34.Kc2 Nd6 35.Rd1 Nb5–/+ 36.ab5 Rb5 37.Rd4+= Kc5 38.c4 Rb4 39.Kc3+= Rb8 40.Rd5 Kb6 41.Rf5 Ng6? 42.Rb5+– Ka6?? 43.Rb8 Ne7 44.Rh8 Nc6 45.Rh7 a4 46.Rh6 Kb6 47.Kb2 Kc5 48.Rc6! Kc6 49.Ka3 Kc5 50.g6 Kc4 51.g7 Kc3 52.g8Q Kc2 53.Qd8 Kc3 54.f5 Kc4 55.f6 Kc5 56.f7 Kc6 57.f8Q Kb5 58.h4 Kc6 59.h5 Kb7 60.Ka4 Ka6 61.Qfd6 Kb7 62.Q8d7 Ka8 63.Qf8# 1–0. Anden – Apracs, Live Game Caissa's Web, 2004.

5.Bh8 f6 6.e3 Nf7 7.c3 Bc3 8.Nc3 Nh8 9.Qf3 +–.

5.Bh8 f6 6.e3 Qf8 7.Qh5 Nf7 8.Bf6 Qd6 9.Bc3 Bc3 10.Nc3 Nc6 11.Nf3 Qh6 12.Qh6 Nh6 13.Bc4 (13...Nb4 14.Rc1+–; Better is 13.Bd3!? d6 14.Nd5 Kd7+–) 1–0. Reg_UK (2090) – Geordiedazza, ChessWorld.net, 2003.

3.Be5 f6

4.a3 Bc5 5.Bb2 d5 6.e3 Bf5 (6...Ne7 7.Nc3=) 7.d3 (7.g4 Be6=) 7...Ne7 8.d4 Bd6 9.Nc3 c6 (9...0–0 10.Bd3 Be6 11.Nb5=) 10.Nf3 g5 (10...0–0 11.Bd3=) 11.Bd3+= Qd7 (11...Qb6 12.Rb1 Bd3 13.cd3+=) 12.e4+/– de4 13.Ne4 Be4 14.Be4 Qe6 (14...Na6 15.0–0 0–0–0 16.Re1+/–) 15.Qe2 Qf7 16.Ne5! fe5 17.de5 Bc5 18.e6 Qf2 (18...Qe6 19.Qh5 Double attack (19.Bh8 Discovered attack)) 19.Qf2 Bf2 20.Kf2 Rf8 (better is 20...0–0!? 21.Kg3 Na6+/–) 21.Kg3+– Na6 22.Bh7 0–0–0? (better is 22...Nf5!? 23.Bf5 Rf5+–) 23.Rhf1 Nc5 (23...Rf1 24.Rf1 Nc5 25.Bf6+–) 24.Rf7 Rf7 (24...Nd5 25.Rf8 Rf8 26.Re1+–) 25.ef7 Rf8 26.Rf1 Ne6 27.Kg4 Kc7 (27...b6+–) 28.Bf6 Nd5 29.Bg5 Ng5 (29...Kd7 30.Bg6+–) 30.Kg5 Ne3 (30...Kd6 31.Kg6 Nc7 32.Rd1 Kc5 33.Re1+–) 31.Rf2 Nd5 (31...Ng2 32.Kg6 Ne3 33.Kg7+–) 32.Kg6 Kd7 (32...Rc8 33.Kg7 Rd8 34.f8Q Rf8 35.Rf8+–) 33.Kg7 Ke7 (33...Rb8+–) 34.Re2 (34.Re2 Kd6 35.Kf8+–) 1–0. Janek – tobokin, internet, 2017.

4.Bb2 a5 5.a3 Bc5 6.e4 d6 7.Nc3 c6 8.d4 Bb6 9.Bc4 Nh6 10.Nf3 c5 11.0–0 cd4 12.Nd4 Bg4 13.f3 Bh5 14.Nd5 Ba7 15.Kh1 Nd7?? 16.Ne6 Kf7 17.Nd8 Rhd8 18.Nf6 Ke7 19.Nh5 Ne5 20.Ba2 Nhf7 21.f4 Ng4 22.Qg4 (22...d5 23.Qg7+–) 1–0. pierre – anthonio, chesspark.com, 2008.

4.Bb2 Bc5 5.d4 Bb4 6.c3 Ba5 7.e4 Ne7 8.Bc4 Nbc6 9.Nd2 d6 10.Ne2 Bg4 11.f3 Bh5 12.Ng3 Bg6 13.0–0 d5 14.Bb5 de4 15.fe4 a6 16.Ba4 b5 17.Bb3 b4 18.cb4 Bb4 19.Nc4 Bf7 20.d5 Ne5 21.Be5 fe5 22.Ne5 0–0 23.Nf7 Rf7 24.d6 cd6 25.Bf7 Kh8 26.a3 Bc3 27.Ra2 h6 28.Qd3 Be5 29.Nf5 g6 30.Nh6 Kg7 31.Qh3 a5 32.Ng4 Ng8 33.Ne5 de5 34.Bd5 Rb8 35.Rf7# 1–0. gumshoe (2380) – jomunoz (1985), net–chess.com, 2014.

4.Bb2 Bf8 5.e4 Nc6 6.Bc4 Nd4 7.Bd4 d6 8.Bg8 Rg8 9.Qh5 Ke7 10.Nc3 a6 11.Qh7 Kf7 12.Nd5 Be7 13.Nf4 Rh8 14.Qg6 Kf8 15.Nf3 Rh6 16.Qg3 g5 17.Nd5 g4 18.Nh4 c6 19.Nf4 d5 20.Nf5 Bf5 21.ef5 Qd7 22.Ne6 Kf7 23.Qg4 Rg8 24.Qf4 Rh5 25.Qf3 b5 26.Qh5 Rg6 27.Qh7 1–0. guest444 – guest1309, ICC, 1999.

4.c3 Bd6 5.Bd4 (better is 5.Bd6!? cd6 6.Na3+/–) 5...c5 6.Be3 f5 7.Nh3 h6 8.d4 b6 9.Na3 Qf6 (9...Ba6 10.dc5 Bc5 11.Bc5 bc5 12.Qd5+=) 10.Nc4 (10.Nb5 c4+/–) 10...g5 (better is 10...Bf8!?+/–) 11.Nd6 Qd6 12.Qd3 (12.dc5 Qd1 13.Kd1 Nc6 14.cb6 f4+/–) 12...f4 13.Bc1 (13.Bf4!? gf4 14.Qe4 Ne7 15.Qa8+/–) 13...g4?? (better is 13...Ne7+=) 14.Nf4 (14...Ne7 15.dc5 Qd3 16.Nd3+–; 14.Bf4!? Qe6 15.Be5 gh3 16.Bh8 Bb7+–) 1–0. idado – UMPALUMPA, Live Game Caissa's Web, 2004.

4.Bc3 d5 5.Bb4 Bf5 6.e3 Nd7 7.Qf3 Be4 8.Qg3 g6 9.d3 Bf5 10.Nf3 c5 11.Ba3 Qa5 12.c3 Qa3 13.Na3 1–0. marekt – NN, GameColony.com, 2002.

4.Bd4 c5 5.Be3 b6 6.c3 Ba5 7.d4 Ne7 (7...cd4 8.Bd4 Nc6 9.e4=) 8.Nf3 (8.dc5 Nbc6+=) 8...Nbc6 (8...Na6 9.dc5 bc5 10.Bf4=) 9.Bd2 (9.dc5 0–0+=) 9...cd4 (9...d5 10.e3=+) 10.cd4= 0–0 11.e4 (11.d5 Bd2 12.Nbd2+=) 11...g5 (11...d5 12.Ba5 de4 13.Bc4 Kh8 14.Bc3 ef3 15.Qf3 Nd4 16.Qd3–+) 12.h3 (12.d5 Bd2 13.Nbd2 Ne5+/–) 12...Ng6 (12...d5 13.Ba5 Na5 14.Bd3=) 13.g3 (13.Bc4 Kg7+/–) 13...d6 14.a3 d5 15.Bd3 (15.Bb5 Qe8 16.Qe2 a6+=) 15...g4?? (15...de4 16.Be4 Re8 17.Qb3 Be6 18.Qe3–+) 16.Ng1?? (16.Qc2!? Qd6 17.Bb5+=) 16...Nd4 (16...de4 17.Bc2–/+) 17.Qa4 (better is 17.Ba5 ba5 18.Nc3+=) 17...Qd7?? (better is 17...de4 18.Bc4 Kg7 19.Ba5 ba5–/+) 18.Qd4+– Bd2 19.Nd2 f5 (19...de4 20.Qc4 (< 20.Qe4 Re8 21.Ne2 Re4 22.Be4 Bb7 23.hg4 Rd8 24.Bb7 Qd2 25.Kf1 Qb2–+) 20...Rf7 21.Be4+–) 20.ed5 Re8 21.Ne2 a5 (21...Ne5 22.hg4 Nd3 23.Qd3 fg4 24.Rd1+–) 22.hg4 Ba6 23.gf5 Ne7 (23...Bd3 24.Qd3 (24.fg6?! Re2 25.Kd1 Rd2 26.Kd2 Bg6+–) 24...Ne5 25.Qe4+–) 24.Qg4 (better is 24.Ba6 Ra6 25.Ne4 Nd5 26.Qd5 Qd5 27.Nf6 Kf8 28.Nd5+–) 24...Kf7 (24...Ng6 25.Ba6 Ra6+–) 25.Qh5 (25.Rh7 Kf6 26.Qg7) 25...Kf8+– 26.Qh7 (better is 26.Qh6 Kf7 27.Qh7 Kf8+–) 26...Bd3 27.Qh8 (better is 27.Nf3 Nd5 28.Qh8 Ke7 29.Rh7 Kd8 30.Rd7 Kd7 31.Qd4 Re2 32.Kf1 Ra2 33.Kg2 Ra1 34.Qd5 Kc7 35.Qa8 Bf1 36.Kh2+–) 27...Ng8–/+ 28.Rh7?? (better is 28.Qd4 Be2 29.Rh8 Bd3 30.Kd1–+) 28...Qf5 (better is 28...Re2 29.Kf1 Re7 (29...Rd2 30.Kg1 Qh7 31.Qh7+=) 30.Kg1 Rh7–+) 29.Qg7 1–0. Wloka,Frank – Elsner,David, remoteschach.de, 2003.

4.Bd4 Ne7 5.e4 0–0 6.Bc4 Kh8 7.a3 Bd6 8.Qh5 Nbc6 9.Be3 Ne5 10.Bb3 N7g6 11.d4 Nf7 12.Ne2 c5 13.dc5 Be5 14.c3 d5 15.ed5+– Bg4?? 16.Qg4 (16…Nh6 17.Bh6 gh6 18.f4+–) 1–0. pierre – denis_fovet, Yahoo, 2005.

4.Bf4 d5 5.c3 Bd6 6.Bd6 Qd6 7.g3 Nd7 8.Bg2 Ne7 9.Nf3 Ne5 10.0–0 Nf3 11.Bf3 c6 12.d3 g5 13.Nd2 g4 14.Bg2 Bf5 15.a4 h5 16.e4 de4 17.Ne4 Be4 18.de4 Qd1 19.Rfd1 Rd8 20.Kf1 Ng6 21.Ke2 Ke7 22.a5 Rd1 23.Kd1 Rd8 24.Kc2 Ne5 25.Bf1 Nf3 26.Rd1 Rd1–/+ 27.Kd1 Nh2 28.Be2 Kd6 29.Kd2 Ke5 30.Ke3 b5 31.Bd1 c5 32.Bb3 Nf3–+ 33.Bd5 h4 34.gh4 Nh4 35.a6 Ng2 36.Kd2 f5 (37.Bc6 fe4 38.Bb5 Nh4–+) 0–1. algernon (2245) – stejam (2085), net–chess.com, 2002.

4.Bg3 Na6 5.e3 d5 6.Ba6+/– ba6 7.c4 dc4?? 8.Qa4+– Bd7 9.Qb4 Ne7 10.Nc3 Rb8 11.Qc4 a5 12.Bc7 Qc8 13.Rc1 Rb7 14.Ne4 Rc7 15.Qc7 0–0 16.Qc8 Rc8 17.Rc8 Bc8 18.Ne2 f5 19.Nc5 g5 20.f4 g4 21.h3 h5 22.hg4 fg4 23.e4 a6 24.Rh5 Kg7 25.d4 Kg6 26.Rg5 Kh6 27.Re5 Ng6 28.Re8 Be6 29.Re6 a4 30.f5 (30…Kg5 31.Rg6 Kh4 32.g3 Kh3 33.Kf2 a3 34.Rh6#) 1–0. Manfredo@ – Gregor123, mySchach.de, 2003.

4.Bg3 Qe7 5.e3 Nc6 6.a3 Ba5= 7.Bb5 a6?? 8.Bc6+– dc6? 9.Qh5 g6 10.Qa5 b6 11.Qc3 c5 12.Nf3 Nh6 13.0–0 Bd7 14.d4 g5 15.dc5 bc5 16.Ng5! fg5 17.Qh8 Kf7 18.Qa8 c4 19.Nc3 1–0. pokerpig (2225) – klodwick, net–chess.com, 2006.

4.Bg3 Nh6 5.e3 d5 6.c3 Ba5 7.Qa4 Nc6 8.Bb5+– Bb6 9.Bc6 bc6 10.Qc6 Bd7 11.Qd5 Rb8 12.Qh5 Nf7 13.Qe2 0–0+/– 14.Nf3 Bg4 15.h3 Bf5+= 16.0–0 Bd3= 17.Qd1 =. mic (2100) – music (2010), net–chess.com, 2008.

4.a3 Bd2

5.Qd2 fe5.

5.Nd2 fe5 6.e4 Nf6 7.Bc4 d5 8.ed5= Qd6 9.Ngf3 Nd5?? 10.Bd5?? Qd5=+ 11.0–0 Bg4 12.h3 Bh5 13.Re1 Nc6=+ 14.c4 Qd6 15.Ne4? Qg6?? 16.Ng3 0–0?? 17.Nh5 Qh5= 18.Ne5 Qf5 19.Qd5 Kh8 20.Nf3 Qg6 21.Nh4 Qf6 22.Nf3 Rad8 23.Qg5 Qc3 24.Ne5 Ne5–/+ 25.Qe5 Qc4 26.Rac1 Qa2 27.Rc7 Qf2 28.Kh2 Qf4 29.Qf4+/– Rf4 30.Rb7 ½–½. gtate (1930) – dmendiola (2045), net–chess.com, 2005.

5.Nd2 fe5 6.e4 Nf6 7.Ngf3 0–0 8.Bc4 d5 9.ed5= Kh8 10.Ne5 Nd5 11.Ndf3 c6 12.Bd5 cd5 13.0–0 Nc6 14.Rb1 Qc7 15.Qd5+/– Ne5 16.Ne5 Qc2?? 17.Nf7 Rf7 18.Qd8 (18…Rf8 19.Qf8#) 1–0. jaskier (2110) – Chapo, internet, 2007.

5.Nd2 fe5 6.e4 Nf6 7.Ngf3 d6 8.Bc4 Nc6 9.0–0 Bg4 10.c3 Qd7 11.Qc2 0–0–0 12.Ng5 Bh5?? 13.Be6+– 1–0. wlittle (2300) – felippe (2165), net–chess.com, 2003.

5.Nd2 fe5 6.Ngf3 d6–/+ 7.e4 Bg4 8.c3 Nf6 9.Qb3= b6 10.Ng5 d5 11.f3 Bc8 12.Be2?? c6 13.0–0? Nh5–+ 14.f4 ef4?? 15.g4?? Qg5–+ 16.Nf3 Qg4 17.Kf2 Ng3! 18.Rg1 Ne4 19.Kf1 Qh3 20.Ke1 0–0 21.c4 Be6 22.Qb2 g6 23.Kd1 dc4 24.Qe5 Bd5 25.Qe7 Nc3 26.Kd2 Bf3 27.Bc4 Bd5 28.Bd5 Nd5 29.Qg5 Qe3 30.Kd1 Na6 31.h4 Rad8 32.h5 Ndb4 (33.Qd8 Rd8#) 0–1. Pumphut – Zargoz, lockeres Schachturnier, 2003.

4.a3 fe5

5.ab4 c6 6.Nf3 d6 7.Nc3 Nf6 8.e4 Bg4 9.h3 Bh5 10.Be2 Nbd7 11.Ng5 0–0?? 12.Bh5+– h6 13.Ne6 Qe7 14.Nf8 Rf8 15.Ra7 Nh5 16.Qh5 b5 17.0–0 Nf6 18.Re7 Nh5 19.Ra1 1–0. wiking – marcosbratz, queenalice.com, 2009.

5.ab4=+ Nf6 6.e3 d5 7.Be2 Bf5 8.Bh5 g6 9.Be2 Nbd7 10.Bb5 Qe7 11.Nf3 0–0–0?? 12.0–0 Qb4 13.Qe2?? Bc2 14.Nc3 a6 15.Ba6 ba6–/+ 16.Qa6 Qb7 17.Qa8? Nb8 18.Qb7 Kb7 19.Ne5 d4 20.Na4 Rd5 21.Nc4 Nc6 22.ed4 Rd4?? 23.Ne3?? Ba4–+ 24.Rfb1 Nb4 25.Ra4 c5 26.Nc2 Rd2 27.Nb4 cb4 28.Rab4 Kc6?? 29.f3?? Rhd8?? 30.Rc1?? Kd5–+ 31.Rb5 Kd4 32.Rb4 Ke3 33.Rb3 Ke2 34.Rf1 Rd1 35.Rb2 Ke3 36.Rb3 Kf4 37.g3 Kg5 38.f4 Kg4 39.Rd1 Rd1 40.Kg2 Ne4 41.h3 Kf5 42.Rb5 Kf6 43.Rb6 Kg7 44.Rb7 Kh6 45.Kf3 Nf6 46.g4 Rd3 47.Kf2 g5 48.fg5 Kg5 49.Rb5 Kh4 50.Rf5 Ne4 51.Ke2 (51…Rh3 52.Rf4 Nc3 53.Kd2–+). ZZMeB4 (1655) – darkpawn, caissa.com, 2007.

4.Bb2 b6

5.e3 Bb7 6.Qh5 g6 7.Qh4 Be7 8.Nf3 Bf3 9.gf3 f5 10.Qf4 Nc6?? 11.Bh8+– Bd6 12.Qc4 Nce7 13.Bg2 c6 14.Nc3 a6 15.Rb1 b5 16.Qd4 Qc7 17.f4 0–0–0 18.Rg1 Nh6 19.a4 b4 20.Bg7 c5 21.Qc4 Qa5 22.Bh6 bc3 23.Bg7 cd2 24.Kd1 Rg8 25.Bf6 Rf8 26.Be7 Be7 27.Qd5 Qc7 28.Qa8 (28...Qb8 29.Qb8#) 1–0. michaelbuss – nimmie, ChessWorld.net, 2005.

5.e4 Qe7 6.c3 Qe4=+ 7.Ne2 Bd6 8.d3 Qe6 9.Qb3 Bb7 10.Qe6 de6 11.f3 Nd7 12.Nd4 1–0. gtate (2020) – dagenefter (2050), net–chess.com, 2006.

4.Bb2 c5

5.a3+= Ba5 6.e3 d6 7.Bd3 g5 8.Qh5+/– Ke7 9.Nc3 Nc6 10.Nd5 Ke6? 11.c4 Kd7?? 12.Qf7 Nge7 13.Bf5# 1–0. 73DADDELDU37 – Bogdan, mySchach.de, 2005.

5.c4 d6 6.a3 Nh6?? 7.ab4+– cb4 8.Qa4 Bd7 9.Qb4 Nc6 10.Qc3 Qa5 11.Qe3 Qe5 12.Be5 Ng4 13.Qg3 Nce5 14.e3 Nd3 15.Bd3 b6 16.Qd6 g6 17.h3 Rd8 18.hg4 h5 19.Qf6 Rf8 20.Bg6 Rf7 21.Qf7# 1–0. rabelloenter (1620) – ahorton (1810), net–chess.com, 2006.

5.c4 Ne7 6.a3 Ba5 7.e4 =.

5.e4 d5 6.Qh5 g6 7.Bb5 Nd7 8.Qd5 Ne7 9.Qb3 b6? 10.Bf6 Bb7 11.Bh8 Be4 12.Nf3 Nf5 13.Ne5 Ne7 14.Qf7 1–0. pierre – sepalikaariyaratne, Yahoo, 2005.

4.Bb2 c6

5.a3 Be7 =.

5.e3 d5 6.Nf3 Bg4 7.Be2 Bf3 8.Bf3 Nd7 9.0–0 Qc7 10.Re1 0–0–0 11.c3 Bd6 12.h3 Bh2 13.Kh1 Be5 14.d4 Bd6 15.Ba3 Ba3 16.Na3 Ne7 17.Qa4 a6 18.Rec1 Nb6 19.Qb4 c5 20.Qa5 (20.dc5!? Nd7 21.c4+–) 20...c4 (better is 20...Nc6 21.Qc5 Na4=) 21.e4?? (better is 21.Rcb1 Rd6 22.Nc2+=) 21...Nc6–+ 22.Nb5? (better is 22.Qc5 Na4 23.Nb5 Nc5 24.Nc7 de4 25.dc5 ef3 26.Ne6–+) 22...Na5 (22...ab5?! 23.Qb5 de4 24.Be4–/+) 23.Nc7 Kc7 24.Re1 g5 25.ed5 Nd5 26.Rac1 h5 27.Bd5 Rd5 28.Re7 Kd8 29.Rce1 b5?? 30.Ra7–/+ Rh6 31.Ra6 Nb7–+ 32.Ra8 Kd7?? 33.Ra7= Kc6 34.Re7 Nc5 35.dc5 Rd1 36.Kh2 Kc5 37.Rac7 Kb6 38.Rb7 Ka6 39.Ra7 Kb6 40.Reb7 Kc6 41.Rc7 Kb6 42.Rab7 Ka6 43.Ra7 Kb6 44.Rab7 ½–½. madik – sansnom, gameknot.com, 2008.

5.e3 d5 6.Qh5 g6 7.Qh4 =.

5.e3 g6 6.c4 (6.a3 Bc5+=) 6...d5= 7.cd5 (7.Qb3 Bc5=) 7...Qd5 8.Nc3 Qe6 9.Nf3 Nd7 10.Nd4 Qe7 11.a3 Bc5= 12.Nf3 Nh6 13.Qc2 Ng4 14.Ne4 Bb6 15.d4 Nf8 16.Ned2 Ne6 17.h3 Nh6 18.Bc4 Nf4 19.Kf1 Bf5+= 20.Qb3 Nd5 21.e4! 0–0 22.ed5 cd5 23.Bd5 Kg7 24.Re1 Qc7 25.Be4 Bd7 26.g3 Rfe8 27.Kg2 Rad8 28.Re2 a6 29.Rhe1 Bb5 30.Bd3 Re2 31.Re2 Bc6 32.Kh2 Nf5 33.Bf5 gf5 34.Nh4 f4 35.Nf5 Kg6 36.Ne7 Kh6 37.Nc6 fg3 38.fg3 bc6 39.Re6 (39…Rd5 40.Qf3+–) 1–0. Reuter,A (1645) – Walter,Thomas (1790), RL–op Polch, 1993.

4.Bb2 Nc6

5.a3 Ba5 6.e3 d5 7.c4 (7.Qh5 g6 8.Qh4 Bf5=) 7...Be6 (7...Nge7 8.Nf3+=) 8.Nf3 (8.cd5 Qd5 9.Nc3 Qd7=) 8...Bg4 (8...Nge7 9.Nc3+=) 9.Nc3 Nge7 10.h3 Bh5 11.g4 Bg6 12.Bg2 (better is 12.Qb3+=) 12...dc4–/+ 13.0–0 (13.Qa4 Bd3 14.Nd4 Qd7–/+) 13...Qd7 14.Re1 (14.Qa4 Bd3 15.Rfc1 h5–/+) 14...f5 (14...h5 15.g5–+) 15.Nh2? (15.Nd4!?–/+) 15...h5 (15...0–0–0 16.Nf1–+) 16.Rc1? (better is 16.g5!?–+) 16...fg4 17.hg4 hg4 (17...0–0–0 18.gh5 Bh5 19.Qc2 Qd2 20.Qd2 Rd2 21.Ba1–+) 18.Ng4 (18.Qg4 Ne5 19.Qd7 A) 19...Nd7?! 20.Nf3+= (20.Bb7?? Rb8–+); B) 19...Kd7–+) 18...Bh5 (18...Rh4 19.Nh2–+) 19.Bh3 Bg4?? (better is 19...0–0–0 20.Qf3 Qd2–+) 20.Bg4+= Qd6 (20...Qd3 21.Bh5 Kf8 22.Qf3 Qf5 23.Qf5 Nf5+=) 21.f4? (better is 21.Bh5!? Kd8 22.Ne4=) 21...Qg6–/+ 22.Kf2 Rd8 23.Rg1 Qd3 24.Rc2 Rh2 25.Rg2 Rg2 26.Kg2 a6 (26...Kf8!? 27.Kf2 Qh7–+) 27.Be2+= Qg6 28.Kf2 Qe6 (28...Qf5 29.Nb1 b5 30.Bg7 Nd5–+) 29.Na2 (29.Qh1 Nf5=) 29...c3?? (29...Nf5 30.Bc4 Qh6–+) 30.Bc3= Bc3 31.Nc3 Qb3 (31...Qh3 32.Bf3+=) 32.Qc1 (32.Ne4 Qe6 33.Qh1+–) 32...g6? (better is 32...Qe6+/–) 33.Ne4+– Qf7 (33...Qe6 34.Bf3 Qh3 35.Qb2 Qh2 36.Bg2+–) 34.Ng5 (better is 34.Qb2!? Qf5 35.Bf3+–) 34...Qf6+/– 35.Bg4 (better is 35.d4!?+/–) 35...Ne5+= 36.Be2 Nd5 (36...N5c6 37.Rb2 b5 38.Rc2+–) 37.Ke1?? (better is 37.Qb2!? Nf4 38.ef4 Qf4 39.Nf3 Nf3 40.Bf3+/–) 37...c6 (37...Nf4 38.ef4 Qf4+=) 38.fe5 (better is 38.Kf2!?+=) 38...Qg5+= 39.d4?? (better is 39.Bf3+=) 39...Qg3–+ 40.Kd2 Qe3 41.Ke1 Qg1 (41...Qg3 42.Kd2 Qf4 43.Ke1 Qh4 44.Kf1 Qd4 45.Rc6 bc6 46.Qc6 Kf8 47.Qg6 Ne3 48.Kg1 Nf5 49.Kh1 Qa1 50.Qg1 Qe5 51.Qg4–+) 42.Bf1 Ne3 43.Rf2 Nf1 44.Rf1 Qd4 45.Qc2 (45.Qf4 Qf4 46.Rf4 Rd5–+) 45...Qe5 (better is 45...Qe3 46.Qe2 Qc3 47.Kf2 Rd2–+) 46.Kf2 (46.Qe2 Qe2 47.Ke2 Ke7–+) 46...Qf5 (46...Qh2 47.Kf3 Qc2 48.Re1 Kd7 49.Re4 Rf8 50.Rf4 Qd3 51.Kg4 Qe2 52.Kg3 Qe3 53.Kg2 Rf4 54.a4 Rg4 55.Kf1 Rg1) 47.Qf5 gf5 0–1. Bushkova,Vera – Zasorina,Alena, Women Ivanovo Region Championship, 2009.

5.a3 Bc5 6.d4 Bd6 (6...Bb6!?=) 7.e4+= Nge7 8.Bc4 Ng6 9.Nf3 (9.Ne2 a6+=) 9...h6 (9...Rb8 10.0–0+=) 10.0–0+/– Na5 (10...a6 11.Re1+/–) 11.Bd3 Bf4? (better is 11...Nf4+/–) 12.g3+– Bd6 (12...0–0+–) 13.e5 fe5 (13...0–0 14.ed6 f5+–) 14.Bg6 (14.Bg6 Ke7 15.de5+–) 1–0. Wall,Bill – Chemyp, internet, 2002.

5.a3 Bc5 6.e3 d5 7.d4 Bd6 8.Nf3 Bg4 (8...Be6 9.Bd3=) 9.c4+= dc4 10.Bc4 Qe7 (10...Na5 11.Bd3+=) 11.Nbd2+= 0–0–0 (11...Nh6 12.0–0+=) 12.0–0 a6 (12...Na5 13.Bd3+/–) 13.h3 (better is 13.Qc2 Na5 14.Bd3+/–) 13...Be6? 14.Be6 Qe6+/– 15.Qa4 Nge7 16.Nc4 g5 17.Nd6 Rd6 18.Rfd1 g4= 19.hg4 Qg4 20.Rab1 Rg8 21.g3?? Qf3–+ 22.Bc3 Nf5 23.Rb7 Rg3! 24.fg3 Ne3 25.Rc7 Kc7 26.Ba5 Kc8 (27.Qc2 Qg3 28.Kh1 f5 29.Bc3 Rh6 30.Qh2 Rh2#) 0–1. maxii – KONJ, Live Game Caissa's Web, 2004.

5.a3 Be7 6.c4 d6 7.Nf3 Be6 (7...Nh6!?=) 8.e3+= Nh6 9.d4 Bf7 10.Bd3 0–0 11.Qc2 Kh8 12.Bh7 (12.0–0 d5+/–) 12...f5+= 13.Bf5 Nf5 14.Qf5 Bc4 15.Qc2 (15.Qh3 Kg8 16.Nbd2+=) 15...Bd5? (15...d5!?=) 16.Nbd2 (16.e4 Bf7+/–) 16...Be6+= 17.0–0 Bf5? (17...Qe8 18.Bc3+=) 18.Qc3 (better is 18.e4 Bd7 19.d5+–) 18...d5+/– 19.a4 (19.Rfe1 Qd6+/–) 19...Bb4 (19...a5 20.Ba3+=) 20.Qc1 (20.Qb3+=) 20...Bd2? (better is 20...Bd3!?=) 21.Qd2+/– Be4 22.Qe2?? (better is 22.Ne5+/–) 22...Bf3?? (better is 22...Rf3 23.Bc3 Qg5–+) 23.gf3= Rf6 (23...Qg5 24.Kh1 Qh5 25.Rab1=) 24.f4 (24.Kh1 Rh6 25.Rg1 Qh4+=) 24...Rh6 25.f3 Qe7 26.Rf2 (26.Ba3!? Qh4 27.Rf2+=) 26...Re8= 27.Bc1 Nd4 28.Qd3 Nc6 29.Qd5 Rg6 (29...Rd8 30.Qb3=) 30.Rg2 Rg2 (30...Rd8!? 31.Qh5 Rh6+=) 31.Kg2+/– Rd8 32.Qh5 Kg8 33.Ba3?? (better is 33.Rb1+/–) 33...Qe3–/+ 34.Bc1?? (better is 34.Bc5 Qf4 35.Re1–/+) 34...Qc3–+ 35.Ra2 Qc1 36.Kg3 (36.Qg5 Rd6 37.Rf2 Nd4–+) 36...Qg1 (better is 36...Qe1 37.Kg2 Nb4–+) 37.Rg2 Qe1 38.Kh3 Qe6 39.Kh4 (39.f5 Qe5 40.Qg5 Rf8–+) 39...Rd5 (39...Ne7 40.Rg5 g6 41.Qg4 Nf5 42.Rf5 Qf5 43.Qg2 Qf4 44.Kh3 Qh6 45.Kg3–+) 40.f5 (40.Qg6 Qg6 41.Rg6 Rd4–+) 40...Rf5 41.Qg4 (41.Rg5 Qe1 42.Kh3 Qf1 43.Kh4 Qf2 44.Kh3 Rf3 45.Rg3 Qf1 46.Kh4 Rf4 47.Rg4 Qf2 48.Kh3 Qe3 49.Kh4–+) 41...Qh6 (41...Qh6 42.Kg3 Rg5 43.Qg5 Qg5 44.Kf2 Qc5 45.Kg3 Qe5 46.f4 Qe3 47.Kg4 Nd4–+) 0–1. Kelbas,Anastasiya – Ivanytska,Sofia (1615), Ukraine Chess Championship– U14, 2017.

5.a3 Be7 6.e4 d6 =.

5.a3 Be7 6.e4 Nh6 +=.

5.a3 Be7 6.Nf3 d6 7.e3 Bd7 (7...Nh6 8.Nc3=) 8.Bc4+= Na5 9.Ba2 Nc6 (9...c6 10.e4+=) 10.0–0 (10.Ng5 d5=) 10...a5 11.d4 a4 12.c4 Nh6 13.Nc3 0–0 14.c5 Nf7 15.cd6 Bd6 16.Na4 Ne7 17.Nc3 Ba3?? 18.Qb3 Bb2 19.Qb2 b6 20.Rfc1 Kh8 21.Bf7 Rf7 22.Nb5 Bb5 23.Qb5 c6? 24.Ra8+– Qa8 25.Qb6 Nc8?? 26.Qd8 (26…Rf8 27.Qf8#) 1–0. fiddler – C_Artist_Think, chessHere.com, 2006.

5.c3 Ba5 6.a4 a6 7.Na3 (better is 7.e4=) 7...b5 (better is 7...d5=+) 8.ab5+/– ab5 9.Nb5 Ba6 (9...Nge7 10.Nf3+/–) 10.Nd4 (10.e4 Rb8 11.c4 Nge7+/–) 10...Nd4 (10...Nge7 11.Nc6 Nc6 12.Nf3+/–) 11.Ra5 Nc6 12.Ra6?? Ra6=+ 13.e3 Ra2 14.Qb1 Qa8 15.Bc4= Ne5?? 16.Ba2+/– Nd3?? 17.Ke2 Qa6?? 18.c4 Nb2 19.Qb2 Ne7 20.Nf3 0–0 21.d3 Ra8 22.Bb3 c5 23.Rb1 Nc6 24.Bc2 Nb4 25.Nd2 d6 26.Nb3 h6 27.Ra1 Qb7 28.Ra8 Qa8 29.f3 g5 30.Nd2 Qa5 31.Ne4 Qb6 32.Nf6 Kf7 33.Nd5 Qa5?? 34.Nb4 cb4+– 35.Bb3 Ke7 36.Kd2 Qa3 37.Qa3 (37…ba3 38.d4+–; 37.Qg7 Ke8 38.Kc2 Qa5+–) 1–0. var – jakesh, Live Game Caissa's Web, 2004.

5.c3 Ba5 6.Qb3 Nge7 7.e4 d5–/+ 8.f3 0–0 9.ed5 Nd5–+ 10.Bc4 Nce7 11.Ne2–/+ Re8 12.0–0 c6 13.Nf4 Bb6 14.d4=+ Kh8 15.Nd5 Nd5 16.Nd2 Ne3 17.Rfe1= f5 18.Nf1 f4 19.Bd3 Qg5 20.Ne3=+ fe3 21.c4 Bh3 22.Re2+= Bd7 23.Rae1 Ba5 24.Bc3 Bc3 25.Qc3+– Bh3 26.Be4 Re6?? 27.Qe3 Qe3 28.Re3 Bg2 29.Kg2 Rae8 30.Kf2 g6 31.d5 cd5 32.Bd5 Re5 33.Re5 Re5 34.Re5 (34...b6 35.Re8 Kg7 36.Re7 Kf6 37.Ra7+–) 1–0. kostovist (1645) – sociale63, internet, 2006.

5.c3 Ba5 6.e3 a6 7.g3 d5 8.Bg2 Nge7 9.Qh5 Ng6 10.Ne2?? 0–0?? 11.Ba3?? Re8 12.Bd5+/– Be6? 13.Bc6+– bc6 14.Qa5 1–0. willi_weizenkeim – dijk, playchess.de, 2002.

5.c3 Bd6 6.Qb3 Qe7 7.e3 Qe6?? 8.Bc4+– Qe7 9.Bg8 Na5 10.Qa4 b6 11.Nf3?? Rg8= 12.d4 Bb7=+ 13.Ba3 Bc6 14.Qc2?? Bf3?? 15.gf3?? Ba3–+ 16.Na3 Qa3 17.0–0 Qd6 18.Qe4 Kf7 19.c4 Nc4 20.Rac1 Nd2 21.Qd3 Nf1 22.Kf1 Qh2 23.Ke2 Rge8 24.Rc7 Qc7 25.Qh7 Rac8 26.Qh5 Kg8 27.Qd5 Kf8 28.Qh5 Qc4 29.Ke1 Qc1 30.Ke2 Rc2 31.Kd3 Qd2# 0–1. badboy1221 – GARYPAULN, Live Game Caissa's Web, 2006.

5.c4 d5 6.cd5 Qd5 7.Nc3 Bc3 8.Bc3 Be6 9.e3 0–0–0. ludger – billkulina, net–chess.com, 2005.

5.c4 d6 6.a3= Bc5 (6...Ba5 7.e4=) 7.d4 Bb6 8.e3 g6 (8...Bf5 9.Bd3 Nh6 10.Nf3+=) 9.Bd3+= Qe7 (9...Ba5 10.Bc3+=) 10.Nf3 Bg4 11.0–0 Bf3 (11...Nh6!?+/–) 12.Qf3 (12.gf3?! Nh6+=) 12...Nh6 (12...Ba5 13.Nc3+/–) 13.Be4+– Kd7 (13...0–0 14.Nc3+–) 14.Qh3 Nf5 15.Bf5 gf5 16.Qf5 Ke8 (16...Kd8 17.Nd2 Rg8 18.c5+–) 17.Nc3 Rf8 18.Nd5 Qf7 19.c5! Ba5 (19...dc5 20.dc5 Combination) 20.cd6 cd6 21.Rac1 Bd8 22.a4 (22.Nf4 Rg8+–) 22...Ne7 (22...Rg8 23.Qe4 Kd7 24.Nf4+–) 23.Ne7 Qe7 24.Ba3 Rg8 (24...Qd7 25.Qe4 Be7 26.Qh7+–) 25.Qb5 (25.Qd5 Rg5 26.Qd6 Qd6 27.Bd6 Ra5+–) 25...Kf8 (25...Qd7 26.Rb1 Qb5 27.Rb5+– (27.ab5?! d5+/–)) 26.Qd5 (26.Qd5 Rg5 27.Qd6 Qd6 28.Bd6 Ke8 29.e4+–) 1–0. Wall,Bill – SpaceTen, internet, 2004.

5.c4 Nge7 6.Nf3 d6 7.e3 Bg4 8.Be2 Ne5?? 9.a3?? Ba5 10.0–0 Bf3 11.Bf3+= c6 12.Be2 Qb6 13.Bc3 0–0 14.Ba5 Qa5 15.Qb3 Rab8 16.d4 N5g6 17.c5 d5 18.Qb4 ½–½. Spiegel,Matthias – Landt,Stefan (1625), Germany, 2005.

5.e3 Na5 6.a3 Bd6 7.Qh5 g6 8.Qa5 c6 9.Qd8 Kd8 10.Nc3 a6 11.Nf3 a5 12.h4 Ne7 (12...Be7+–) 13.Ne4 Be5 14.Ne5 fe5 15.Be5 Rf8 16.Ng5 h6 (16...h5 17.Bg7 Rg8 18.Nf7 Ke8 19.Nd6 Kd8 20.Bf6+–) 17.Bg7 Rg8 18.Nf7 Ke8 19.Nd6 Kd8 20.Bh6 Nf5 21.Bg5 Kc7 22.Bc4 Rh8 23.Nf7 Rh7 24.g4 d5 25.gf5 Rf7 (25...Bf5 26.Bf4 Kd7 27.Ne5 Ke6 28.Bd3+–) 26.fg6 Rg7 27.Bd3 c5 28.h5 c4 29.h6 Rg8 30.h7 Rh8 31.g7 Re8 32.g8Q Rg8 33.hg8Q cd3 34.Qd8 Kb8 35.Bf4 Ka7 36.Qa5# 1–0. usingprogram (2015) – ozi0610, kurnik, 2012.

5.e3 d5 (--> 1.b4 e5 2.Bb2 d5 3.Be5 f6 4.Bb2 Bb4 5.e3 Nc6).

5.e3 Nge7 6.Nf3 d6 7.c4 Bg4 8.Nc3 (8.a3 Ba5=) 8...Ne5 9.Qa4 N5c6 (9...N7c6!?=) 10.Nd5+= Bf3 11.gf3 0–0?? (better is 11...Ba5+=) 12.Nb4+– Ne5 13.f4 Nf3 14.Ke2 Nh4 15.Bh3 f5 16.Rhg1 Neg6 17.Nd3 d5 (17...Qe7 18.c5!+–) 18.Qb3 dc4 19.Qc4 Kh8 20.Rac1 (20.Nc5 b5 21.Qe6 a5+–) 20...c6 21.Nc5 Qd5 (21...Qe7+–) 22.Qd5 cd5 23.Nb7 Rab8 (23...Rf7 24.Nd6 Re7 25.Be5+–) 24.Rc7 Rfc8 (24...Rg8 25.Nd6 h6+–) 25.Rg7 Nf8 26.Rg8 1–0. Janek – Henry, internet, 2016.

5.e3 Nge7 6.Nf3 d6 7.Bc4 Bg4 (7...d5 8.Bb3=) 8.h3= Bh5 9.c3 Ba5 (9...d5 10.Be2 (worse is 10.cb4 dc4 11.0–0 a6–/+) 10...Bd6 11.0–0=) 10.d4 d5 11.Bb3 Qd7 12.Nbd2 0–0–0 (12...0–0 13.0–0=) 13.Qe2 a6 14.Ba4 (14.0–0 Kb8+=) 14...Qd6 15.Bd1 (15.0–0 f5+=) 15...Rde8 (15...g5 16.0–0=) 16.a4 (16.0–0 Kb8=) 16...Qd7 (16...Ng6!? 17.g3 Nf8=) 17.Nb3+= Bf3 (17...Ng6 18.Nc5 Bf3 19.Qf3 Nd4 20.Nd7 Nf3 21.Bf3 Kd7 22.Bd5+=) 18.Qf3+/– Qf5 19.Qe2 Qg5 20.0–0 h5 21.Rc1 Nf5? (21...Kb8+=) 22.Kh2?? (22.c4 Bb4 23.cd5 Nce7+/–) 22...Qh6? (better is 22...Bb6=) 23.c4+– Nfe7?? (better is 23...Bb4 24.cd5 Bd6 25.Kg1 Nb4+–) 24.cd5 Nd5 25.Rc6! bc6 (25...Bb4 26.Rc1+–) 26.Qa6 Kd7 27.Na5 f5 28.Bf3 (better is 28.Nc4!? Ke7+–) 28...Ra8 (28...Qd6 29.Kg1 Ra8 30.Qc6 Qc6 31.Nc6 Kc6 32.Rc1 Kd6 33.Ba3 Ke6 34.Rc6 Kd7 35.Bd5 Ra4 36.Bc5+–) 29.Qc6! Qc6 30.Nc6 Kc6 31.Rc1 Kd6 32.Ba3 c5 (32...Ke6 33.Rc6 Kd7 34.Bd5 Ra4 35.Bc5+–) 33.Rc5 (33.Rc5 Nc7 34.Re5 Kd7 35.Re7 Kc8 36.Ba8 Na8 37.Rg7+–) 1–0. Skosana,Stephen K (2035) – Parthiephal,Dayaan, Ethekwini Open, 2017.

5.e3 g6 6.Nf3+= d6 (6...d5 7.Be2+=) 7.Be2 Bf5 8.0–0 Ba5 9.Bc4 (better is 9.Re1+/–) 9...Nge7? (9...Ne5 10.Ne5 de5 11.e4 Be4 12.Re1+/–) 10.Ng5?? (better is 10.Bf6 Rf8 11.Bg7 d5 12.Bf8 dc4 13.Be7 Qe7+–) 10...Nb4?? (better is 10...d5 11.Be2 Qd6=) 11.Bf6 Nc2? 12.g4 Rf8 13.gf5 Na1 14.Ne6 Qd7 15.Nf8 Kf8 16.Ba1 Qf5 17.Nc3 Qe5? 18.Qf3 Nf5 19.Nd5 Rc8 20.Be5 de5 21.e4 Bd2 22.ef5 gf5 23.Qf5 Kg8 24.Ne7 Kg7 25.Qe5 Kh6 26.Qf6 Kh5 27.Bf7 Kg4 28.f3 Kh3 29.Be6# 1–0. Trkn – Simon Lincoln, itsyourturn.com, 2000.

5.e4 a6 6.Bc4 Nge7 7.Nh3 Ne5 8.Bb3 d6= 9.Nf4 g6 10.c3+/– Ba5 11.d4 N5c6 12.0–0 Bb6 13.Nd2 Na5 14.Ne6 Qd7 15.Ng7 Kf8 16.Ne6 Ke8 17.Qf3?? f5?? 18.ef5+– Nb3 19.ab3 Nf5 20.Rae1 Kf7 21.g4 Re8 22.gf5 Kg8 23.fg6 Qg7 1–0. grimstad – nimmie, ChessWorld.net, 2005.

5.e4 d5 6.Qh5+/– g6 7.Qd5 Bd7 8.Bc4 (8.Nf3 Nge7 9.Qb3 Nc8+/–) 8...Qe7 9.Nc3 (better is 9.a3 Bc5 10.d4+/–) 9...Ne5? (better is 9...0–0–0 10.Qd3 Ne5+=) 10.Qb7+– Rd8 11.Nd5 (better is 11.Bg8 Rg8 12.Nd5 Bd2 13.Kd2 Bc6+–) 11...Qd6? (better is 11...Bd2 12.Kf1 Qc5 13.Nc7 Kf8+–) 12.Nc7 (12.Nb4?! Nc4 13.Nd5 Nb2 14.Qb2 Bc6+–; 12.Qb4?! Qb4 13.Nb4 Nc4+–) 12...Kf8 13.Bd5 (13…Rc8 14.Nb5+–) 1–0. Orangattackman – mike62, internet, 2005.

5.e4 d5 6.Qh5+/– g6 7.Qd5 Qe7 8.Bb5 Bd7 9.c3 (9.a3 Bc5+/–) 9...a6 10.Be2 Be6 (10...Bd6 11.Nf3=) 11.Qd3+= Rd8 (11...Bd6 12.Nf3+=) 12.Qc2+/– Ba5 13.Nf3 f5 14.0–0 Nf6 (14...fe4 15.Qe4 Nf6 16.Qc2+/–) 15.Re1 (15.ef5!? Bf5 16.Qb3+/–) 15...Ne4 16.Bd3 Bd5? (better is 16...0–0+=) 17.Nd4?? (better is 17.c4!? Bb6 18.Be4 Be4 19.d3 Rd3 20.Bh8 Rf3 21.Re4 fe4 22.gf3 ef3 23.Qd2+/–) 17...Ne5 (17...Nd4 18.cd4 0–0 19.Nc3+=) 18.f3 (18.Ba3 c5 19.Be4 fe4 20.Qa4 Qd7 21.Qa5 cd4=) 18...Nc5= (worse is 18...Nd3 19.Qd3 c5 20.fe4 fe4 21.Qe3+/–) 19.f4?? (19.Bf1 Bb6 20.Kh1+/–) 19...Ncd3–+ 20.fe5 Nb2 21.Qb2+= Bb6 22.Kh1 c5 23.Nf3 Bf3 24.gf3 Bc7?? 25.Qb7+/– 0–0 26.Qa6 Rd5 27.Qc4 Qe6 28.d4 Rc8+/– 29.a4 cd4+= 30.cd4? Ba5–+ 31.Qe2 Be1 32.Qe1 Rd4 33.a5 Rd5 34.Nd2 Re5 35.Qf2 Re2 36.Qd4 Re8 37.Nc4?? Re1 38.Re1 Qe1 39.Kg2 Re2 40.Kh3 Qf1 41.Kg3 Rg2 42.Kf4 g5 43.Ke5+= Re2?? 44.Ne3 Qf3= 45.Qd8 Kg7 46.Qf6 Kg8 47.Qd8 Kf7 48.Qf6 Ke8 49.Qe6 Kd8 50.Qd6 Kc8 51.Qa6 Kc7 52.Qb6 Kc8 53.Qa6 ½–½. marinscrofan – rttesse, gameknot.com, 2008.

5.e4 Qe7 6.Qf3 d6 7.Nc3 (7.Bb5 a6 8.Bc6 bc6=) 7...Ne5 (7...Bc3 8.Bc3 f5 9.Bc4=) 8.Qg3 c6 9.d4 Ng4 10.0–0–0 Bd7 11.Be2 N4h6 12.Bh5 g6 13.Bf3 f5 14.Nh3 Bc3 (better is 14...Nf6!? 15.e5 Nfg4=) 15.Bc3+/– fe4 16.Be4 d5 17.Bg6!+– Kf8 18.Bb2 Qf6 19.Ba3 Ne7 20.Rhe1 Nhg8 21.Nf4 Rc8 22.Re7 Ne7+/– 23.Re1 c5 24.Bd3 b6 25.Qe3 Kf7 26.dc5 d4?? 27.Bc4+– Kf8 28.Qf3 Bc6 29.Ne6 Kf7 30.Nf4 Kf8 31.Ng6! Kg7 32.Qf6 Kf6 33.Ne7 Bg2 34.Nc8 Rc8 35.Re6 Kg5 36.Re7 Bf3 37.Ba6 Rb8 38.Ra7 Be4 39.cb6 Rb6 40.Be7 Kf5 41.Bc5 Rc6 42.Bd4 Rc2 43.Kd1 Ke6 44.Bb5 h5 45.Ba4 Rc4 46.Bb3 Bc2 47.Bc2 Rd4 48.Ke2 Rh4 49.Rh7 Rh2 50.a4 h4 51.a5 Rh3 52.Bd3 Rh1 53.a6 h3 54.a7 Ra1 55.Be4 Ra2 56.Ke3 Ra3 57.Kf4 Ra2 58.a8Q Rf2 59.Bf3 Rf3 60.Kf3 Ke5 61.Ke3 h2 62.Qe4 Kd6 63.Kd4 h1Q 64.Qe5 Kc6 65.Qc5# 1–0. Assmann,Thomas – MacHack_VI, Massachusetts, 1968.

5.e4 Qe7 6.Qh5 Kd8 7.Qe2 =.

5.e4 Qe7 6.Qh5 g6 7.Qe2 d6 8.Nc3 Be6 (8...Bc3 9.Bc3 Nh6 10.h4+=) 9.Nf3 (9.Nd5 Bd5 10.ed5 Qe2 11.Ne2 Nce7+/–) 9...0–0–0 10.Qe3 Bc3 (10...Ba5 11.Bb5 Bb6 12.d4+/–) 11.Bc3+/– (11.dc3?! d5=; 11.Qc3?! Bf5=) 11...d5 12.Bb5 de4 13.Bc6 (13.Qe4?! Bd5 14.Qe3 Bf3 15.gf3 Nd4 16.Bd4 Rd4=) 13...ef3 (13...bc6 14.Nd4 Bd5 15.Nb3+/–) 14.Bf3 c5 (14...Bd5!? 15.0–0 Qe3 16.fe3 Bf3 17.Rf3 Rd6+/–) 15.0–0+– Qd6 16.Rfe1 Re8? (better is 16...Bd5+–) 17.Bg4!! Kd7 (17...Bg4 18.Qg3 Double attack (18.Qe8 Pinning; 18.Qe8 Deflection; 18.Qg3 Decoy)) 18.Qe4 (better is 18.Rab1 h5 19.Rb7 Kc8+–) 18...Qc6 19.Qc6 (19.Qd3!? Qd6 20.Qh3 Bg4 21.Qg4 Kd8+–) 19...bc6 (19...Kc6?? 20.Be6 Rd8 21.a4+–) 20.Re6 Re6 21.Re1 f5 22.Bf5 gf5 23.Re6 Ke6 24.Bh8 c4 25.f3 Ne7 26.Bd4 a6 27.Kf2 Kd5 28.Bb6 (28.Bf6 Ng6+–) 28...Ng6 (28...c5 29.Bc7+–) 29.g3 Ne5 30.Bc7 Nd7 31.Ke3 Nc5 32.Bf4 Ne6 33.g4 fg4 34.fg4 Nf8 (34...Nd4 35.c3 Nc2 36.Ke2+–) 35.h4 Ng6 (35...Ne6 36.c3+–) 36.h5 Nh8? (36...Nf8+–) 37.g5 Ke6 38.Kd4 Kf5 39.Be3 Nf7 40.g6 hg6 41.hg6 Kg6 42.Kc4 Kf5 (42...Ne5 43.Kc5+–) 43.Kc5 Ne5 44.Bd4 Nf3 (44...Ng6 45.Kc6 a5 46.a4+–) 45.Bc3 Ne1 (45...Ng5 46.Kc6 Ne4 47.Kb7+–) 46.Kc6 Nc2 47.Kb6 (better is 47.d4!? Ne3 48.d5 Ng4+–) 47...Ke4 48.a4 Kd5 49.Ka6 Kc6 50.Ka7 (better is 50.a5 Ne1 51.Bf6+–) 50...Kc7?? (50...Ne1+–) 51.a5 Na3 (51...Ne1 52.d4 Nd3 53.a6+–) 52.Be5 Kc8 (52...Kc6+–) 53.d3 Nc2 54.Kb6 Nb4 55.a6 Nd5 56.Kc5 Ne7 57.Bh2 Ng8 58.Kb6 Nf6 (58...Kd8 59.a7 Ke7 60.a8Q Nf6 61.Qb7 Ke6 62.Qc8 Nd7 63.Kc6 Kf6 64.Qd7 Kg6 65.Be5 Kg5 66.Qg7 Kh5 67.Bf4 Kh4 68.d4 Kh5 69.Qg5) 59.a7 1–0. Jukna,Gaivaldas (1985) – Slikas,Deividas (1870), Championship, 2016.

5.e4 Nge7 6.a3 Ba5 7.Qh5 g6 +=.

5.e4 Nge7 6.Bc4 d5 7.ed5 Nd5 8.Qh5 Kf8 9.Qd5 Qe7 (9...Qd5 10.Bd5 Bf5 11.Nf3+–) 10.Ne2 Bg4 11.Nbc3 (11.f3 Rd8 12.Qe4 Bh5+–) 11...Be2 (11...Bc3 12.Bc3 (12.dc3?! Ne5+–) 12...Rd8 13.Qb5+–) 12.Be2 (12.Ne2?! Rd8 13.Qf5 Rd2+–) 12...Rd8 13.Qe4 Qd6 (13...Qe4 14.Ne4 f5 15.Nc3+–) 14.0–0 Re8 15.Qc4 Na5 16.Qg4 Nc6 17.Bc4 Ne5 18.Qh4 (18.Qe4 c6 19.Bb3 a5+–) 18...Qd2 19.Bb5 (better is 19.Bb3 Bd6 20.Rad1+–) 19...c6 (19...Bc3 20.Rfd1 Qc2 21.Ba3 Kf7 22.Bc4 Kg6+–) 20.Qb4 Re7 (20...Kf7 21.Ba4 a5 22.Qb7 Kg6+–) 21.Rad1 Qc2 22.Rd8 (22.Ba3 h6 23.Qe7 Kg8 24.Rd8 Kh7 25.Bd3 Qd3 26.Rd3 Rf8+–) 22...Kf7 23.Ba4 (better is 23.Rh8 cb5 24.Nb5+–) 23...a5 (23...Qa4 24.Na4 Rd8+–) 24.Bb3 Re6 25.Qb7 Kg6 26.Bc2 Kh6 27.Rh8 (27.Bc1 g5 28.Rh8 Nf3 29.gf3 Re7 30.Qe7 Kh5 31.Rh7) 27...Rd6 (27...f5 28.Bf5 Nf3 29.gf3 Rf6 30.Bc1 Kh5 31.Qg7 Rg6 32.Qg6 Kh4 33.Rh7) 28.Rh7 Kg5 29.Rg7 (29.f4 Kg4 30.Qg7 Ng6 31.Qg6) 29...Kf4 (29...Kh5 30.Rh7 Kg4 31.Qg7 Ng6 32.Qg6 Kf4 33.Ne2) 30.g3 1–0. Novozhilova,Polina – Zabrzanska,Weronika, EU–ch G10, 2015.

5.e4 Nge7 6.Qh5 Kf8 7.Bc4 (7.a3 Ba5 8.Bc4 Ng6=) 7...Qe8 (7...d5 8.Bd5 Nd5 9.Qd5 Qd5 10.ed5=) 8.Qf3 (8.Qe8 Ke8 9.Nf3+=) 8...d6 (better is 8...d5!? 9.ed5 Nd5 10.Ne2 Nb6=) 9.Bf6+/– Qg6 10.Bb2 Ke8 11.Ne2 Rf8 12.Nf4 Qg5 13.Qh5+– Qh5 14.Nh5 g6 15.Nf6 Kd8 16.Nh7 Rf4 17.f3 Ne5 18.Bb3 N7c6 19.Ng5 Na5 20.Be6 Nac4 21.Bc8 Kc8 22.Be5 de5 23.a3 Ba5 24.Ke2+– Kd7 25.d3 Nd6 26.Nd2 Nb5 27.Nb3 Bc3 28.Raf1 Na3+= 29.Nc5 Ke7? 30.Na4 Bd4? 31.c3+– Bb6 32.Nb6 cb6 33.g3 Rf6+/– 34.f4 ef4 35.Rf4 Nb5 36.c4 Nd4+/– 37.Ke3 Nc6 38.Rhf1 Raf8 39.Ra1 Rf4 40.gf4 a6? 41.Rb1 Rh8 1–0. Ortner,H (1820) – Piskernig,M (1630), Raika op 5th, 1996.

5.e4 Nh6 6.Bc4 f5?? 7.Bg7+– Ke7 8.Bh6 Ne5 9.Bg5 Kd6 10.Bd8 Rd8 11.Bd3 fe4 12.Be4 Rf8 13.Bh7 b6 14.Be4 Ba6 15.Ba8 Ra8 16.Qh5 Ke6 17.f4 Nf7 18.Qg6 Ke7 19.Qe4 Kf6 20.Qa8 (20…Bb5 21.Qa7+–) 1–0. humk@ – Gregor123, mySchach.de, 2004.

5.Nf3 Na5 6.e4 d6 7.Be2 Be6 8.0–0 Nc4 9.Bc4 Bc4 10.Re1 Ne7? 11.a3?? Bc5 12.d3 Be6 13.d4 Bb6 14.d5 Bg4 15.Nbd2 Ba5 16.c3 Ng6? 17.h3 Bh5? 18.Qc2?? Nf4 19.Qa4 c6 20.dc6 b6? 21.c7?? Qd7+/– 22.Qd7 Kd7+= 23.Nh4 Bg6?? 24.Ndf3 Rhe8 25.Ng6+= Ng6 26.Rad1 Kc7 27.Re2 Nf4 28.Re3 Rad8 29.Nd4 a6 30.c4 h5 31.Nf5 Rd7 32.a4 Ne6 33.Ba3 Nc5 34.Bc5 dc5? 35.Rd7+– Kd7 36.Ng7 Re5 37.f4 Re7 38.Nh5 Ke6 39.g4 Rh7 40.e5 f5 41.Kg2 b5 42.ab5 ab5 43.cb5 fg4 44.hg4 Bb6 45.Rd3 Bc7 46.Rc3 Bb6 47.Kf3 Rd7 48.Rc4 Rf7 49.Ke4 Ba7 50.f5 Ke7 51.g5 Rh7 52.Nf6 Rh1 53.Ng8 Kf7 54.Nh6 Ke7 55.Kd5 Rd1 56.Ke4 Rg1?? 57.g6+– Kf8 58.Kd5 Rd1 59.Ke6 Rd4 60.Rd4 cd4 61.g7! Kg7 62.f6 Kh6 63.f7?? Kg7=+ 64.Ke7 Bc5–/+ 65.Ke8 d3 66.b6 d2–+ 67.b7 d1Q 68.b8Q? Qa4–+ 69.Kd8 Bf8 70.e6 Qa5?? 71.Qc7= Qd2?? 72.Qd7?? Qg5 73.Ke8+/– Qe5 ½–½. gtate (1930) – acaudron (2090), net–chess.com, 2005.

5.Nf3 d6 6.e3 Nge7 7.Be2 d5 8.0–0 0–0 9.a3 Ba5 10.Nd4 (10.Nc3 Be6=) 10...Nd4+= 11.Bd4 Qd6 12.f4 (12.Bb2 Be6+=) 12...Bf5 (12...Nf5 13.Bb2 d4 14.Bc4 Kh8 15.e4+=) 13.Bg4 (13.Nc3!?+=) 13...c5–/+ 14.Bb2 Rad8 (14...d4 15.Bf3–/+) 15.Bf5 Nf5 16.Nc3? (better is 16.Qg4 Qd7 17.Rd1–/+) 16...d4–+ 17.ed4 Qd4 (17...Nd4?! 18.d3 f5 19.a4–/+) 18.Kh1 Qd2 19.Ne4 Qe3 20.Qf3 Rde8 21.Ng3 Ng3 (21...Qf3 22.Rf3 Ng3 23.hg3–+) 22.Qg3 (22.hg3 Qf3 23.Rf3 Re2–+) 22...Qg3 23.hg3 Re2 24.Rac1 Rfe8 25.Rf3 Re1 26.Re1 (26.Kh2 Rc1 27.Bc1 Re2–+) 26...Re1 (26...Be1?! 27.Kg1–+) 27.Kh2 Re2 28.Rb3 (28.Bc3 Bb6–+) 28...b6 29.c3 (29.c4–+) 29...c4 30.Rb5 a6 31.Rd5 Rb2 32.Rd4 (32.Rd8 Kf7 33.Rc8 b5–+) 32...b5 33.Rd6 (33.a4 Bc3 34.Rd8 Kf7 35.Rd7 Kg6 36.f5 Kf5 37.ab5 ab5 38.Rg7 h6–+) 33...Bc3 34.Ra6 (34.f5–+) 34...Bd2 35.Ra8 Kf7 36.Ra7 Kg6 37.Kh3 c3 0–1. lukekyte101 (1700) – omnipotent00 (1645), gameknot.com, 2014.

5.Nf3 d6 6.e3 Bg4 7.a3 Ba5 8.Be2 Nge7 9.0–0 0–0 10.Nc3 Qd7 11.Bc4 Kh8 12.Ne4 d5 13.Nc5 Qd6 14.Nb7+/– (14...Qe6 15.Na5 dc4 16.Nc6 Nc6 17.h3+/–) 1–0. wlittle (2160) – nickbarletta (1815), net–chess.com, 2002.

5.Nf3 d6 6.e4 Nge7 7.Bb5 (7.a3 Ba5=) 7...a6 8.Bc6 Nc6 9.0–0 Bg4 (9...0–0 10.c3 Ba5 11.Qb3 Kh8 12.d4=) 10.d3 (10.c3 Ba5=) 10...Qe7 (10...d5 11.Nc3 Bc3 12.Bc3=+) 11.Nbd2 (11.c3 Bc5=) 11...Ne5 12.c3+/– Ba5 13.Qe2 Qf7 14.h3 Bh5 15.Qe3 Bb6 16.d4 Bf3 17.Nf3 Nc4 18.Qc1 Nb2 19.Qb2+= 0–0 20.Nh4 Qc4 21.Nf5 g6 22.Ne3 Qe6 23.f3 d5? 24.Nd5+– Rad8 25.Nb6 Qb6 26.Qb6 cb6 27.Rab1 b5 28.f4 Rc8 29.Rbc1 Rc4 30.e5 fe5 31.fe5 Rf1 32.Kf1 b4 33.Ke2 bc3 34.Kd3 Rc8 35.Rc3 Rd8 36.Rc7 b5 37.Ra7 b4 38.Ra6 Rd5 39.Rb6 Kf7 40.Rb4 Ke6 41.Rc4 Kf5 42.Rc5 Rd7 (43.Rc6 Kg5+–) 0–1. var – hgflyer, Live Game Caissa's Web, 2004.

5.Nf3 Nge7 6.e3 0–0 7.Bc4 d5 8.Bb3 Bg4 9.0–0 a5 10.h3 Bf3 11.Qf3 (better is 11.gf3!? a4 12.Ba4 Ra4 13.c3–/+) 11...a4–+ 12.Bd5 Qd5 13.Qd5 Nd5 14.a3 Bd6 15.c4 Nde7 16.d4 b6 17.d5 Ne5 18.Nc3?? (18.Be5 Be5 19.Ra2–+) 18...Nc4 19.Bc1 (19.Ra2 Nb2 20.Rb2 Ba3–+) 19...Rfd8 (19...Be5 20.Ra2 Bc3 21.Rc2 Nd5 22.e4 Na3 23.Ba3–+) 20.Rd1 (20.Ra2 Be5 21.Rc2 f5–+) 20...Be5 21.Rd3 (21.Ra2 Bc3 22.Rc2 Ne3 23.fe3 Rd5 24.Rd5 Nd5–+) 21...Nd5! 22.Ra2 (22.Nd5 Ba1 Pinning (22...Ba1 Deflection); 22.Rd5 Bc3 Deflection (22...Bc3 Overloading)) 22...Nc3 23.Rc2 Rd3 24.Kf1 Rad8 (24...Rd1#) 25.g3–+ Nd2 26.Ke1 Nf3 (26...Re3! 27.fe3 Bg3#) 27.Kf1–+ Rd1 28.Kg2 Ne1 29.Kh2 Nc2 30.Bb2 Ne4 (30...R8d2 31.h4 Rf2 32.Kh3 Ne3 33.Bc3 Rh1#) 31.Kg2 (31.Bd4 Rd2 32.h4 Rf2 33.Kh3 f5 34.Be5 Rd1 35.g4 Rh1 36.Bh2 Rfh2 #) 31...Ne1 32.Kh2 (32.Kg1 Nf3 33.Kg2 Neg5 34.Be5 Rg1#) 32...Bg3! 33.fg3 R8d2 (33...R8d2 34.Kg1 Nd3#) 0–1. Neumann,Frank – Verich,Oleg, 50. LSS No Engine Cup Preliminary, 2011.

5.e3 a6

6.a3+= Ba5 +=.

6.a3+= Bc5?? 7.Qh5+– g6 8.Qc5 d6 9.Qd5 Nge7 10.Qb3 Rf8 11.Nf3 Bd7 12.Be2 Ne5 13.0–0 h5 14.Ne5 de5 15.f4 e4 16.Nc3 f5 17.Rfd1 Bc6 18.d3 ed3 19.Bd3 Ng8 20.Bc4 (20…Qe7 21.Bg8+–) 1–0. pierre_d – Miguel rodrigue, chessmaniac.com, 2006.

6.Bc4 d5 7.Bb3 Na5 8.c4?? dc4–/+ 9.Bc2 Nh6?? 10.Qh5?? Ke7 11.a3 Bg4 12.Qh4 Bd6 13.Bf6 gf6 14.Qh6 Be5 15.Qg7 Ke6?? 16.Nc3 Bf5 17.Bf5+/– Kf5 18.e4 Ke6+= 19.Nf3 Nb3 20.Ne5?? fe5 21.Qh6+= Kf7 22.Rb1 Nc5 23.Nd5 c6 24.Qf6?? Qf6–+ 25.Nf6 Kf6 26.Rb7 h6 27.Rc7 Ne4 28.0–0?? Nd2 29.Rd1 Ne4 30.Rc6 Kf5 31.Rc4 Rad8 32.Re1 Rd4 33.Rc6 Rhd8 34.Ra6 Rd1 35.Kf1 Re1 36.Ke1 h5 37.Rh6? Kg5 38.Re6 Rd5 39.f3–/+ Nc3 40.h4? Kf4 41.Rf6?? Kg3 (42.Rg6 Kh4–+; 41...Ke3 42.Rd6 Rd6 43.g4 Rd1#) 0–1. Nautiluschess – olinda, ICS blitz, 2001.

6.Bc4 Nge7 7.Qh5 Ng6 8.Nf3 +=.

6.Bd3 d6 7.Qh5 g6 8.Bg6!+– hg6 9.Qh8 Kf7 10.Qh7 Kf8 11.a3 Ba5 12.Qg6 Qe7 13.h4 Be6 14.h5 Bf7 15.Qd3 Nh6 16.Qh7 Ng8 17.h6 Ne5 18.Qg7 Ke8 19.h7 Kd7 20.h8Q Rf8 21.Be5 de5 22.Qg4 Be6 23.Qa4 c6 24.Qa5 Kd6 25.Qb4 Kc7 26.Qe7 Ne7 27.Qf8 Nd5 28.e4 Nf4 29.Rh7 Kb6 30.Qb4 Ka7 31.Qb7# 1–0. Trkn – guest5511, ICC, 2004.

6.Qh5 g6 7.Qd1 d5 8.Nf3 Bg4 9.Be2 Qd6 10.a3 Ba5 11.0–0 0–0–0 12.c3 Ne5= 13.Nd4 Be2 14.Qe2 Nc4 15.Bc1 c5 16.Nc2 Bc7 17.d3?? Qh2# 0–1. Slooooowly – jakesh, Live Game Caissa's Web, 2004.

6.Qh5 g6 7.Qd1 d5 8.Nf3 Nh6 9.c4 Be6 10.cd5 Bd5 11.Nc3 Bc3 12.Bc3 Qe7 13.Be2 0–0–0 14.Qa4 Nb8 15.Qh4 Nf5 16.Qf6 Rhf8 17.Qe7 Ne7 18.0–0 Rf7? 19.Ng5+– Rf5 20.Nh7 Be6 21.e4 Rc5 22.Bb4 Rc2 23.Be7 Rh8 24.Nf8 Rd2 25.Rfd1 Rd1 26.Rd1 Rf8 27.Bf8 Ba2 28.Bg4 Nd7 29.Rd7 Kb8 30.e5 c5 31.Bc5 a5 32.Rd8 Kc7 33.Rc8# 1–0. pierre – margil, internet, 2008.

5.e3 d6

6.a3 Ba5 7.Bb5 Bd7? 8.Ne2?? Ne5+= 9.Bd7 Qd7 10.Nf4 g6 11.0–0+= Ne7 12.d3 0–0 13.c4 c6 14.Nd2 Bd2 15.Qd2 Qg4 16.h3?? Nf3–/+ 17.Kh1 Nd2 18.hg4 Nf1 19.Rf1 Kf7 20.d4 g5 21.Nd3 Rh8 22.f4 h6 23.Kg1 d5 24.c5 b6 25.Bc3 Nc8 26.fg5–/+ hg5 27.Ne5 Kg7 28.Nc6=+ Re8 29.Rf3 Re4 30.Kf2 Rg4 31.Rf5= Re4 32.Rd5 Re6 33.Rd7+/– Kg6 34.d5 Re4 35.Rd8 bc5+= 36.Kf3 Rc4 37.Be1 Nb6 38.Ra8=+ Na8 39.d6 Nb6 40.Ba5 Nd7 41.g3? Ra4–+ 42.Bc7 f5 43.Nb8? Nb8 44.Bb8 Ra3 45.Ke2 Kf6 46.Kd2 c4 47.g4 fg4 48.e4 Ke6 49.Kc2 g3 50.e5 g2 (51.Ba7 Ra7–+) 0–1. Kordel,Mathias – Bishoen,B, NED–ch U16 Hengelo, 1995.

6.a3 Bc5 =.

6.c3 Ba5 7.d4 Nge7 8.Bd3 Bf5 9.Bf5 Nf5 10.Nf3 0–0 11.Qb3 Kh8 12.g4 Nfe7= 13.Nbd2 Qd7 14.h3 Rab8 15.Rb1 f5 16.Ng5 d5=+ 17.Ba3 f4 18.Qc2= Ng6 19.Bf8+/– fe3 20.Bc5 ed2 21.Kd1 Bb6 22.Bb6 cb6 23.Qd2 Na5 24.Qc2 Nc4 25.Rb3 h6? 26.Qg6+– hg5 27.Re1 Rf8 28.Qh5 Kg8 29.Qg5 Rf2?? 30.Re7 (30…Nb2 31.Rb2 Qe7 32.Qe7 Rb2 33.Qe8 Kh7 34.Qh5 Kg8 35.Qd5 Kf8 36.Qb7+–) 1–0. marekt – Echtwelzo, ChessWorld.net, 2002.

6.Bc4 Ne5 7.Bg8 Rg8 8.Qh5 g6 9.Qh7 +=.

6.Bc4 Qe7 7.a3 Ba5 +=.

6.Bc4 Qe7 7.Bg8 Rg8 8.Qh5 g6 9.Qh4 g5 10.Qh6 Rg6 11.Qh5 Be6 12.c3 (12.Ne2 Ne5 13.f3 0–0–0+=) 12...Qd7 (12...Ne5 13.h3 Nd3 14.Kf1 Ba5–/+ (14...Nb2?! 15.cb4 Nd3 16.a3–/+)) 13.h3 (13.cb4? Bg4 14.Qg6 hg6–+) 13...Ba5 14.d4 Bf5 15.Nd2 Bd3 16.Ngf3 0–0–0 17.Rd1 Bf5 18.e4 (better is 18.d5!? Ne7 19.Nb3=) 18...Re8–/+ 19.d5 Be4 20.Ne4 Re4 21.Kf1 Ne5 22.Ne5 de5 23.h4?? (better is 23.Kg1–+) 23...gh4 (better is 23...Qb5 24.Kg1 Qb2 25.Qh7–+) 24.Rh4 Rh4 25.Qh4 h6?? (25...Qb5 26.c4 Qa4 (26...Qb2?! 27.Qh3 Kd8 28.d6 cd6 29.Qh7+=) 27.Qh3 Kd8–/+) 26.Qh5–/+ Rg8 27.Qh6? Qb5–+ 28.Kg1 Qb2 29.Qf6 Rd8 30.Qe6 White intends d6 30...Kb8 31.Qe7 Rc8 32.Qe5 Qc3 33.Qe4? Bb6 34.d6 cd6 35.Qd5 Qc5 36.Qf7 Qc2 37.Re1 Qc4 38.Qd7 Qf4 39.Rf1 Rh8 40.Qh3–+ Rh3 41.gh3 d5 42.Kg2 Bc7 43.Re1 Qh2 44.Kf1 Qh3 45.Ke2 Bb6 46.Rg1 Qh2 47.Rg8 Kc7 48.Rg7 Kc6 49.Rg6 Kb5 50.a4 Ka4 51.Rg4 Kb5 52.Rg5 Qf2 53.Kd1 Be3 54.Rd5 Kc6 55.Rd8 Qd2! 56.Rd2 Bd2 57.Kd2 Kb5 58.Kc2 a5 59.Kb3 a4 60.Ka2 Kb4 61.Kb2 b5 62.Ka2 Kc3 63.Kb1 b4 64.Kc1 a3 65.Kb1 b3 66.Ka1 b2 67.Kb1 a2! 68.Ka2 Kc2 69.Ka3 b1Q 70.Ka4 Kc3 71.Ka5 Kc4 72.Ka6 Kc5 73.Ka7 Kc6 74.Ka8 Qb7 0–1. Kotarski,Bartosz – Roj,Mateusz, MPJ Poland, 2009.

6.Bc4 Qe7 7.Qh5 g6= 8.Qh4 g5 9.Qh5+= Kd8 10.Nc3 Ne5 11.Nd5 Qe6?? 12.Bb3+– c6? 13.Nb4 Qe7 14.d4 Bg4–+ 15.de5 Bh5 16.ed6 Qd6 17.f3?? Kc7 18.Nd3 Nh6 19.Ne2 Nf5 20.e4 Ne3?? 21.Kf2= f5?? 22.Be5+– f4 23.Bd6 Kd6 24.Ndf4! gf4 25.Nf4 Bf3 26.Kf3 Nc2 27.Bc2 Raf8 28.Rhf1 Ke5 29.Ke3 Rhg8 30.g3 (30...Re8 31.Rad1+–; 30.Bb3 Kd6 31.Bg8 Rg8 32.Rad1 Ke7+–) 1–0. mtr – Apracs, internet, 2001.

6.Nf3 Bg4 7.Be2 Qd7 8.0–0 Nge7 9.a3 Ba5 10.c4 0–0–0 (10...0–0 11.Nc3=) 11.Bc3 (11.Nc3 Ne5+=) 11...Bc3 (11...Kb8 12.d4 d5 13.c5+=) 12.Nc3+= h5 (12...Bf3 13.Bf3 (worse is 13.gf3 h5=) 13...Ne5 14.Rb1 Nf3 15.Qf3+/–) 13.Ne4 (13.d4 Rh6+=) 13...h4= 14.Nd4 (14.h3!? Bf3 15.Bf3=) 14...Be2+= 15.Qe2 Nd4 (better is 15...h3 16.g3 b6+=) 16.Qd3?? (16.ed4 h3 17.g3 Rde8+=) 16...Nec6 (better is 16...Ne6–+) 17.ed4+= d5 (better is 17...h3 18.g3 Rde8=) 18.cd5 (better is 18.Nc5 Qg4 19.Qb1=) 18...Qd5–/+ 19.Nc3 (19.Rfe1!?–/+) 19...Qd4–+ 20.Qd4 (20.Qf5 Qd7 21.Qd7 Rd7–+) 20...Rd4 21.a4 (21.Rfd1 h3 22.Ne2 Rd6–+) 21...Rd2 22.Ne4 Rd4 23.f3 f5 24.Nf2 (24.Nc5 h3–+) 24...Re8 25.Nh3 Nb4 26.Nf2 Nc2 27.Rac1 Ne3 28.Rfe1 g5 29.h3 Ra4 30.Rc3 f4 31.Ng4 Ng4 32.Re8–/+ Kd7 33.Rg8?? Ra1 (33...Ra1 34.Rc1 Rc1#) 0–1. Neumann,Frank – Secondi,Alberto, SN–2012–0–00439, 2012.

5.e4 d6

6.a3 Bc5 =.

6.c3 Ba5 7.d4 =.

6.c3 Bc5 7.d4+= Bb6 8.Nd2 Nge7 9.Qh5 g6 10.Qh6 Bg4 11.Qf4 Bh5? 12.g4+– g5 13.Qf6 Bg4?? 14.Qh8 (14…Kd7 15.Qh7+–) 1–0. smurilo (1830) – Shakkimestari, internet, 2006.

6.Bc4 Qe7 7.c3 Qe4–/+ 8.Qe2 Qe2 9.Ne2 Bc5 10.0–0 Bf5 11.Re1 0–0–0 12.d4 Bb6 13.a4 Na5 14.Nd2 d5 15.Ba2 Nh6 16.Nf4 c6–/+ 17.Ne6 Be6 18.Re6 Bc7 19.c4 Nc4 20.Nc4 dc4 21.Bc4 Ng4 22.g3 Kb8 23.h3= Nh6 24.Rae1 Nf5 25.R1e4? a6 26.g4? Nd6–+ 27.d5? cd5 28.Bd5 Ne4 29.Re4?? Rd5 0–1. gtate (1955) – kcollins (2015), net–chess.com, 2005.

6.Bc4 Qe7 7.Bd5 =.

6.Bc4 Qe7 7.Qh5!? Kd8 8.f3 =.

6.Bc4 Nge7 7.Nf3 Bg4 8.0–0+= Qd7 9.c3 Ba5= 10.d4 d5 11.ed5+= Nd5 12.Re1 Be6 13.Qb3 0–0–0 14.Nbd2 Rhe8 15.Ne4 Bb6 16.Nc5 Bc5=+ 17.Bd5?? Bd5–+ 18.c4 Bf3 19.Re8 Re8 (20.dc5 Be2–+) 0–1. Trkn – Joost Bosmans, itsyourturn.com, 2000.

6.Bc4 Nge7 7.h3 d5 8.ed5+= Nd5?? 9.Qh5+– g6 10.Qd5 Qd5 11.Bd5 Bd7 12.Nf3 0–0–0 13.0–0 Bf5 14.Bb3 Rhf8 15.Re1 Na5 16.a3 Nb3 17.cb3 Ba5 18.b4 Bb6 19.Nc3 Kb8 20.Re7 Rd7 21.Rae1 Rfd8 22.Rd7 Bd7 23.Nd5 f5 24.Nb6 cb6 25.Bg7 Bc6 26.Ng5 h6 27.Bh6 Rd2 28.Ne6 Ra2 29.Rd1 a5 30.ba5 ba5 31.Bf8 1–0. gtate (1990) – nicoleskywalker (1855), net–chess.com, 2005.

5.Nf3 d5

6.e3 Qd6 7.a3 (7.c3 Bc5+=) 7...Ba5= 8.Be2 Bf5 9.Nd4 (9.Nh4!? Be6 10.Nc3=) 9...Nd4+= 10.Bd4 c5 11.Bc3 Bc7 12.f4 (12.a4!?+=) 12...0–0–0 13.0–0 g5 (13...Nh6!?–/+) 14.g3 d4 15.Bb2 (better is 15.fg5 dc3 16.Rf5 cd2 17.Rf2+=) 15...de3 (better is 15...Qb6 16.Qc1 gf4 17.ef4 h5–/+) 16.fg5+= Bh3 17.Bg4 Bg4 18.Qg4 Qd7 (18...Rd7 19.Re1 c4 (19...ed2? 20.Nd2 h5 21.Qh3+–) 20.de3 h5+/–) 19.Qd7+– Rd7 20.gf6 Nh6 (20...e2 21.Re1 Bd8 22.f7+/–) 21.de3 (better is 21.f7 Rf8 22.Bg7+–) 21...Ng4+/– 22.e4 Ne3 23.Nc3 (23.Rf3 Nc2 24.Ra2 Rd1 25.Rf1 Rf1 26.Kf1 Rf8+=) 23...Nc2 (23...Nf1 24.Rf1 Re8+/–) 24.Nd5 (better is 24.Ra2 Ne3 25.Re1+–) 24...Na1= 25.Ba1 c4 26.f7 (better is 26.Bd4!?=) 26...Rf8–/+ 27.Rc1 b5 28.Bd4 Kb7 29.Nc7? Rc7–+ 30.e5 Rff7 31.Rb1 Ka6 32.Kg2 Ka5 33.Bc3 Ka6 34.Rd1?? Rfe7 35.Rd6 Kb7 36.Kf3 Rcd7 37.Kf4? Rd6 38.ed6 Rd7 39.Ke5 Kc8 40.Ke6–/+ a6 41.g4= Rb7 42.h4 Ra7?? 43.g5+– a5?! 44.h5 Kd8 45.g6 hg6 46.hg6 b4 47.ab4 ab4 48.g7 Rg7 49.Bg7 c3 50.Bf6 Ke8 51.d7 (51.d7 Kf8 52.d8Q#) 1–0. Baer,Cy (1895) – Henkel,Phil (1905), RSS5E easy–37, 2007.

6.e3 Bd7 7.Be2 Nge7 8.0–0 Bd6 9.d4 a6 10.c4+= dc4 11.Bc4 Ng6 12.Nc3 b5 13.Bb3 Qe7 14.Nd5 Qd8 15.Nc3 Qc8 16.Bd5 Nge7+= 17.Re1 Nd5 18.Nd5+= 0–0 19.h3 Be6= 20.Nc3 Bc4 21.d5 Ne5 22.Ne5 Be5 23.e4 b4 24.Na4 +=. gtate (1705) – tobings, net–chess.com, 2001.

6.e3 Bd7 7.Be2 Nge7 8.Nd4 Nd4=+ 9.Bd4 0–0 10.0–0 Nf5 11.Bb2= Bd6 12.d3 (12…c5 13.Bg4=+; 12.c4 c6=). ATUK – Trip, Live Game Caissa's Web, 2005.

6.e3 Nge7 7.a3 Bd6 8.Bb5 0–0 9.0–0 a6 10.Be2 b5 11.d3 h6 12.Nbd2 Bg4 13.Nd4 Be2 14.Ne2 Nf5 15.e4 de4 16.de4 Nfe7 17.c4 bc4 (17...Qe8 18.Nc3 Rb8 19.cb5 ab5 20.a4 ba4 21.Nc4=) 18.Nc4+= Rb8 19.Bc3 (worse is 19.Nd6 Rb2 (worse is 19...cd6 20.Nd4=; worse is 19...Qd6 20.Qc2=) 20.Qc1 Re2 21.Qc4 Kh8 22.Qe2 Qd6 23.Qa6 f5+=) 19...Ne5 20.Ne3 (better is 20.Qa4+=) 20...Rb5?? (better is 20...Bc5=) 21.Nd4+– Qc8? (21...Bc5 22.Nb5 Qd1 23.Rfd1 ab5 24.Nd5+–) 22.f4 N5c6 23.Nb5 ab5 24.Qb3 Kh7 25.g3 Re8? 26.Qb5 Qb8 27.Qd3 Kg8 28.Qc4 Kh7 29.Rfb1 Qa7 30.Kf2 Bc5 31.Bd2 Be3 32.Be3 Qa5 33.Rb5 Qa8 34.a4 Na7 35.Ra5 Qb8 36.Bd4 Nec6 37.Rc5 Nd4 38.Qd4 Rd8 39.Qc3 Rd7 40.Rc1 c6 41.e5 fe5 42.Re5 Qb6 43.Rc5 Rc7 44.Kf3 1–0. Baer,Cy (1895) – Henkel,Svenja (1680), RSS5E easy–37, 2007.

6.e3 Nge7 7.Nd4 =+.

6.e3 Nge7 7.Be2 a6 8.0–0 0–0 9.c4 dc4 10.Bc4 Kh8 11.a3 Bd6 12.Nc3 Ne5 13.Ne5 fe5 14.Nd5 Ng6 15.Qc2 Qg5 16.e4?? (better is 16.Bd3 Nh4 17.Be4+=) 16...Nh4–+ 17.Ne3 Bh3 18.Be2 (18.g3–+) 18...Ng2 19.Kh1 (19.Ng4 Nf4 20.Qd1–+) 19...Ne3 20.fe3 (20.Bg4 Qg4 21.Rg1 Qf3 22.Rg2 Qg2) 20…Qg2# 0–1. Neumann,Frank (1650) – Hoetker,Michael (2140), RSX7D–Oldenburg–1, 2007.

6.e3 Nge7 7.Be2 Bf5 8.0–0 g5?? 9.d3 g4 10.Nh4 Qd6 11.Nf5 Nf5 12.Bg4 Nh4 13.Bh5 Kd7?? 14.Qg4 f5 15.Qh4 Rhg8 16.Bf3 Raf8 17.Qh7 Ne7 18.c3 Rh8+= 19.Qh8 Rh8 20.g3 Ba5 21.c4 Qh6? 22.Bh8+– Qh8 23.d4 dc4 24.a4 c3 25.Na3 Nc6 26.Nc4 Bb4 27.Ne5 Ne5+= 28.de5 Qe5 29.Bb7+/– Qc5 30.Rfd1 Ke7 31.Bc8?? c2–/+ 32.Rd7 Kf6–+ 33.Rc1 Ba3 34.Rf1 c1Q 35.Rc1 Qc1 36.Kg2 Qc6 37.Kf1 Qa4 38.Kg2 c5 39.Rd8 c4 40.Bd7 Qa5 41.Rf8 Ke7 42.Rf5 Kd7 43.Ra5+– c3 44.Ra3 c2 45.Rc3 Kd6 46.Rc2 Kd7 47.Rc4 Kd6 48.Rf4 Ke5 49.g4 Ke6 50.g5 Kd6 51.g6 Kc6 52.g7 a6 53.g8Q Kb6 (54.Qe6 Kb5 55.Qd5 Kb6 56.Rf6 Kc7 57.Rf7 Kb6 58.Rb7#) +–. stoker – bach5, Live Game Caissa's Web, 2004.

6.e3 Bf5 7.Bb5 Nge7 8.0–0 a6 9.Ba4 b5 10.Bb3 Qd7 11.Nc3 0–0–0 12.a3 Bc3 13.Bc3 Kb7 14.Nd4 Ne5 15.Nf5+/– Nf5 16.a4 c6 17.ab5+– cb5 18.Qh5 g6 19.Qe2 Qc6 20.f4 Nd7 21.Ra2 Rhe8 22.Qf3 Nb6 23.Rfa1+= Ra8? 24.Ba5 Re4 25.Bb6+– Kb6 26.Re1 Rd8 27.d3 Re7 28.c4 Nd4 29.ed4 Re1=+ 30.Kf2 Rde8 31.cd5?? Qc3–+ 32.Bd1 Qd4 (33.Kg3 R8e3 34.Ra6 Ka6 35.Qe3 Re3 36.Bf3 Qd5–+) 0–1. McCarthy,Mike – Agnew,George, SL–2003–0–00002, 2003.

4.Bb2 d5

(--> 1.b4 e5 2.Bb2 d5 3.Be5 f6 4.Bb2 Bb4).

5.Nf3 Ne7 6.e3 0–0 (--> 4.Bb2 Ne7 5.e3 0–0 6.Nf3 d5).

4.Bb2 d6

5.c3 Bc5 6.Nf3 Ne7 7.a4 a6 (7...d5 8.e3=) 8.e3 Nbc6 9.d4 Ba7 10.Bc4 d5 11.Bb3 Be6 12.Nbd2 Na5 13.0–0 Bf7 (13...Nb3 14.Qb3 b6 15.e4=) 14.Re1 (14.Bc2 0–0+=) 14...0–0 (14...Nb3 15.Qb3 Rb8 16.Qc2=) 15.Ba3 (15.Bc2 Re8+=) 15...Re8 (15...Nb3 16.Qb3 Rb8 17.Qc2=) 16.Qb1 (16.Bc2 Bb6+=) 16...c6 (16...Nb3!? 17.Qb3 Rb8=) 17.Bc2+= g6 18.e4 b5 19.Bb4 Nc4 20.ab5 ab5 21.Nc4 dc4 22.e5 Nd5 23.Ra3 (23.Qb2 Be6+=) 23...Bb6 24.Qb2 (24.Ra8 Qa8 25.Be4 Bc7=) 24...Ra3= 25.Qa3 Bc7 26.Qc1 Kg7 27.ef6 Qf6 28.Re8 Be8 29.Bc5 (29.Ba3 Bd7 (worse is 29...Nc3 30.Qe1 b4 31.Bb4+=) 30.Qe1 Qe6=) 29...Bd7 (29...Ba5!?–/+) 30.Be4= Bf4 31.Qe1 Ne7 (better is 31...Bg4!?=) 32.d5!+/– Kg8 (32...cd5 33.Bd4 Combination; 32...Nd5 33.Bd4 Combination) 33.dc6+– Nc6?? (better is 33...Bg4+–) 34.Bd5 Kg7 35.Bc6 Qc6 (35...Qe6 36.Qe6 Be6 37.Bd4 Kf8+–) 36.Qe7 Kh6 37.Qh4 (37.Qf8 Kh5 38.Qf4 Qf6 39.Qf6 Kh6 40.Be3 Kh5 41.Qg5) 37...Kg7+– 38.Bd4 (38.Qf4?! Qc5 39.g4 h6=) 38...Kg8 (38...Kf8 39.Qf4 Ke8 40.Qe5 Kd8 41.Qh8 Be8 42.Qh7+–) 39.Qf4 (39.Qe7 Qf6 40.Qf6 Bh6 41.Ng5 Bg5 42.Qg7) 39...Qa8 (39...Qe6+–) 40.h3 Qf8 41.Qc7 Bh3 (41...Qe8 42.Ne5 Qc8+–) 42.gh3 (42.Ng5 Bd7 43.Qd7 Qf2 44.Kf2 b4 45.Qe8) 42...h6+– 43.Kg2 1–0. Purczynski,Andrzej – Weglarz,Janusz (1795), 24th Poznan Open, 2016.

5.e3 Nc6 6.a3 Ba5 (7.Bd3 Be6=). MiserableBoris – Conveyor, ChessWorld.net, 2005.

5.e3 Nc6 6.f4 Nge7 (6...Bf5 7.Nf3=) 7.Nf3 (7.Qh5 Kf8=) 7...Bg4 8.Be2 Ng6 9.0–0 h5 (9...Qe7 10.Nd4 Be2 11.Qe2 Nd4 12.Bd4=) 10.c4 (10.Nd4 Qd7+=) 10...h4 (10...Qd7 11.a3 Ba5 12.Nc3+=) 11.Qc2 Nge7 12.a3 Bc5 13.d4 Bb6 14.c5 (14.h3 Bh5+/–) 14...Ba5+= 15.d5 (15.h3!? Be6 16.e4+=) 15...Nd5= 16.Qg6 Kf8 17.Qg4 Ne3 18.Qh3 Nf1 19.Ng5 (19.Bf1 dc5 20.Nh4=) 19...fg5 (better is 19...Qe7 20.Ne6 Kf7+=) 20.Qf5+– Ke8 (20...Ke7 21.Qg5 Ke8 22.Qg7 Ne3+/–) 21.Qg6 Kd7 (21...Ke7 22.Qg7 Ke6 23.f5 Kd5 24.Qf7 Ke4 25.Qc4 Ke3 26.Qd3 Kf4 27.Qf3) 22.Bg4 Ke7 23.Qg7 Ke8 24.Qh8 Kf7 25.Qg7 (25.Qg7 Ke8 26.Bh5#) 1–0. Jacewicz,Grzegorz (2125) – Luebbe,Hermann (1895), remoteschach.de, 2010.

5.e3 Be6 6.a3 Ba5 7.Nf3 Bb6 8.Nc3 a6 9.Ne4 Nd7 10.Ng3 Ne5 11.Nd4 Bg4 12.Be2 h5 13.Bg4 hg4 14.Ne6 Qd7 15.Nf4 g5 16.Nd3 0–0–0 17.0–0 Nh6 18.Ne5 de5 19.Ne4 Qh7 20.Nf6 Qg6 21.Be5 Nf7 22.Ng4 Ne5 23.Ne5 Qh6 24.Nf7 Qh2# 0–1. nuttieclyde – coccodile, fics Oklahoma City, 2000.

5.e3 Be6 6.Nf3 Nd7 7.c3 Bc5 8.d4 Bb6 9.Nbd2 a6 10.Bd3 f5 11.c4+/– Ngf6 12.d5 Bf7 13.Qc2 g6+= 14.0–0 Qe7 15.e4 0–0–0 16.ef5+– Bc5 17.fg6 hg6 18.Rae1 Qf8 19.Bg6 Rh6 20.Bf7 Qf7 21.Ng5 Qh5 22.Ndf3 Ne5 23.Be5 de5 24.Qf5 Kb8 25.Qh3 Qg6 26.Qg3 Nh5 (27.Qh4 Nf6 28.Ne5 Rh4 29.Ng6 Rc4+–). georgius (2000) – rgn (1790), net–chess.com, 2002.

5.e3 Be6 6.Qh5 Ke7 7.a3 Bc5 8.d4 Bb6 9.Bd3 Bf7 10.Qf3 d5 11.Ne2 c6 12.Ng3 Bg6+= 13.Bf5 Bf5 14.Nf5 Kf8 15.0–0 Ne7 16.Ng3 Bc7 17.Nd2 Ng6 18.Rfe1 Kf7 19.e4 de4 20.Qb3+– Kf8 21.Nde4 Bg3 22.hg3 b5? 23.a4+– Qd5 24.Qb4 Kg8+/– 25.Ba3 Na6? 26.Qd2 Re8?? 27.Nc3?? Re1 28.Re1 Qd7 29.ab5 cb5 30.Qd3 Nc7+= 31.Ne4 a6 32.Nc5 Qf7? 33.Qe2 h6 34.Qe4 Kh7 35.c3?? Re8 36.Qb1=+ Re1 37.Qe1 a5 38.Qe2 Nf8 39.Nb7 a4 40.Nd6 Qb3 41.Bb4 a3–+ 42.Ba3 Qa3 43.Nb5 Nb5 44.Qb5 Qc1 45.Kh2 Qc3 46.Qf5 Kh8 47.Qg4 Qc4 48.Qe4 Qe6 49.Qa8 Kg8 50.Qb8? Qd7 51.Qb3 Kh8 52.Qb8 Qe7 53.d5 Kh7 54.Qb1 g6 55.Qd3 Qd6 56.Qb5 h5 57.Qb7 Kh6 58.Qb3 Nd7 59.Qe3 g5 60.Qe4 Qe5 61.Qc4 h4 62.Qc8? hg3 63.fg3 Qd5 64.Qh8 Kg6 65.Qe8 Qf7 66.Qe4 Kg7 67.Qb1 Qh5 68.Kg1 Qg4 69.Qb7 Qe6 70.Qb1 Kh6 71.Qc1 Ne5 72.Qa3 Qe8 73.Qe3 Qd7 74.Qe2 Qd3 75.Qb2 Qg3 76.Qb6 Qf4 77.Qc5 Kg6 78.Qb5 Qc1 79.Kh2 Kf5 (79...Ng4 80.Kh3 Qh1 81.Kg3 Qe1 82.Kg4 Qe4 83.Kg3 Qf4 84.Kh3 Qh4#) 0–1. Engelhardt,Erhard (1690) – Graf,Wolfgang, Rowy op, 2005.

5.e3 Ne7 (--> 4.Bb2 Ne7 5.e3 d6).

5.e3 Bf5 6.Qh5 Bg6 7.Qb5 Nc6 8.a3 Bc5 9.d4 (< 9.Qb7 Nge7 10.Bb5 Be4=) 9...a6 (9...Bb6 10.d5 a6 11.Qa4 Ba5 12.Bc3+/–) 10.Qe2 (better is 10.Qb7!? Na5 11.Qf3+–) 10...Bb6= 11.Qf3 Nge7 12.Nc3 (12.Bd3 Bd3 13.cd3 Qd7+=) 12...Qd7 (12...Bd4 13.Bd3 Be5 14.Nge2–/+) 13.Ne4 Nf5 14.Bd3 Nh6 15.Nc3 Ne7 16.Bg6 Ng6 17.Nd5 Qc6 18.c4 Ba5 19.Bc3 Bc3 20.Nc3 Qc4 21.Nge2 c6 22.Qe4 Kf7 23.0–0 Rhe8 24.Qf3 a5 25.Nf4?? Qc3–+ 26.Ng6 hg6 27.Rfb1 b5 28.Rc1 Qb2 29.Rab1 Qa3 30.Rc6 Rac8 31.Qd5?? Kf8–+ 32.Qd6 Qd6 33.Rd6 Rc2 34.h3 Rec8 35.Rb5 a4 36.Ra5 R2c4 37.Rda6 Nf5 38.Ra7 Kg8 39.Rd7 Kh7 40.g4 Nh4 41.Raa7 Rg8 42.d5 Nf3 43.Kg2 Ne5 44.Rdc7? Rc7 45.Rc7 Ra8 46.f4 Nd3 47.Rc3 Nb4 48.d6 a3 49.d7 a2 50.Rc1 Nc6 51.Ra1 Nd8 52.Kf3 Kg8 53.Ke4 Kf7 54.Kd5 Ke7 55.e4 Kd7 56.e5 Ra5 57.Kd4 Nc6 58.Kc4 fe5 59.fe5 Ne5 (60.Kb3 Nd3–+) 0–1. OPA – hgflyer, Live Game Caissa's Web, 2004.

5.e4 a6 6.h3 Nc6 7.Nf3 Be6 8.c3 Bc5? 9.d4+– Bb6 10.Be2?? d5= 11.Nbd2 Qd6 12.e5 fe5–/+ 13.de5 Ne5 14.0–0 0–0–0 15.Ng5 h6 16.Ne6 Qe6 17.Bg4? Ng4–+ 18.Re1?? Bf2 (19.Kh1 Be1 20.Qe1 Qe1 21.Re1 Nf2 22.Kh2 Nd3–+) 0–1. gtate (1940) – codriver (1975), net–chess.com, 2004.

5.e4 Qe7 6.Qh5 g6 7.Qe2 =.

5.e4 Ne7 6.Nf3 0–0 7.Be2 Nbc6 8.0–0 d5 9.c3 de4 10.Qb3 Nd5 11.cb4 ef3 12.Bf3 Be6 13.Bd5 Bd5=+ 14.Qg3 Qd6 15.b5 Qg3 16.fg3 Nb4 17.Nc3 Rad8?? 18.Nd5?? Rd5–/+ 19.a4 Nc2?? 20.Rac1+= Rd2 21.Rf2?? Rf2–/+ 22.Kf2 Nb4 23.Rd1 Rc8 24.Rd7 a6 25.Ba3 c5 26.bc6 Nc6=+ 27.Rb7 Ne5 28.Ra7 Rc2 29.Ke1 Ra2 30.Ra8=+ Kf7 31.Ra7 Kg6 32.Bf8 Ra4 33.Rg7 Kf5 34.Rh7 Ra2 35.Ra7 Rg2=+ 36.Ra6 Rh2 37.Be7 Ng4 38.Ra5 Ke6 39.Bc5 f5 40.Ra3 Kd5 41.Ba7 Ke4 42.Kf1 Rd2 43.Ra1 Rd3 44.Re1 Kf3–/+ 45.Kg1 Kg3 46.Rf1 Rd5 47.Bf2?? Kh3 48.Bb6 Nh2–/+ 49.Rc1 f4 50.Bc7 Rg5 51.Kh1=+ Rg4 52.Rc3= Rg3 53.Rg3 fg3 54.Bg3 ½–½. gtate (1810) – veera (1960), net–chess.com, 2002.

5.Nf3 Be6 6.e3 Nc6 7.Bb5 Qd7 8.Nd4 Nge7 9.Ne6 Qe6 10.Bc3 Bc5 11.d4 Bb6 12.Bc6 Nc6 13.d5 Qd7 14.dc6 Qc6 15.0–0 0–0–0 16.Bd4 d5 17.Bb6 Qb6 18.Qd4 c5 19.Qg4 Kb8 20.Nd2 g6 21.Rab1 Qa5 22.Qf4 Ka8 23.Nb3 Qa2 24.Nc5 Rc8 25.Qf6 Rhf8 26.Qe7 Qa3 27.Qb7# 1–0. TriAngel – willyfly, ICC 1999.

5.g3 Ne7 6.c3 Ba5 7.Bg2 =.

5.g3 Bg4 6.Bg2 Nc6 7.Nf3 Qe7 8.c3 Bc5 9.d4 Bb6 10.0–0 0–0–0 11.a4 a6 12.Ba3 h5 13.h4 g5 14.Bb4 (better is 14.Re1!?=) 14...gh4 15.Nh4 Nh6 (better is 15...Be2 16.Ng6 Bd1 17.Ne7 Nge7 (17...Nce7?! 18.Rd1 a5 19.Ba3=+) 18.Rd1 h4–/+) 16.Bc6 bc6 17.f3 (better is 17.a5!? Ba7 18.Ng6 Qe2 19.Qe2 Be2 20.Nh8 Bf1 21.Kf1 Rh8 22.Nd2=+) 17...Bh3–/+ 18.Rf2 f5 19.Kh2= f4 20.g4?? Bg4! 21.fg4?? Ng4 22.Kg2 Qh4 23.Qg1 Nf2 24.Qf2 Qg5 25.Kf3 Qg4 26.Ke4 Rde8 27.Kd3–+ Re3 28.Kd2 Rhe8 29.Kd1 Re2 30.Qe2 Re2 31.Kc1 f3 32.Nd2–+ f2 33.a5 Rd2! 34.Kd2 Qf4 35.Ke2 c5 36.ab6 cb4 37.cb4 Qg4 38.Kf1 cb6 39.Kf2 h4 40.Ke3 h3 41.b5 h2 42.Rc1 Kd7 43.Rh1 Qg3 44.Ke2 Qg2 45.Ke3 Qh1 46.Kf4 Qf1 47.Ke3 h1Q 48.Kd2 Qff3 49.Kc2 Qh2 50.Kc1 Qf1# (50...Qfh1#) 0–1. slavisa11 – kilmer49, Live Game Caissa's Web, 2004.

4.Bb2 Bd6

5.e3 b6 6.Nf3 Ba6 7.Ba6 Na6 8.Qe2 Nc5 9.d4 Ne6 10.Nc3 Bb4 11.a3 Ba5 12.0–0 Ne7 13.Ne4 d5 14.Ng3 0–0 15.Nh4 Qe8 16.Nhf5 Nf5 17.Nf5 g6 18.Qg4 Kh8 19.Nh6 Kg7 20.Qh3 (Better is 20.Nf5 Kh8 21.Ng3=) 20...g5?? (20...Ng5 21.Qh4 Qe4–/+) 21.Ng4?? h5–+ 22.f4 hg4 23.Qg4 Qg6?? 24.f5+– Qh7 25.fe6 Rae8 26.e4 Qe4=+ 27.Qe4 de4 28.d5 Kg6 29.Rf2 f5 30.Raf1 c6=+ 31.dc6? Re6–+ 32.c7 Rc6 33.Be5 b5 34.Rd1 Bc7 35.Bc7 Rc7 36.Rd6 Rf6 37.Rf6 Kf6 38.Rd2 Ke5 39.Kf2 f4 40.g3 e3 (41.Ke2 ed2 42.gf4 gf4 43.Kd2 f3–+) 0–1. Galaxy7 – GARYPAULN, Live Game Caissa's Web, 2004.

5.e4 Nc6 6.Bb5 Bd7 7.a3 Ba5? 8.Nc3 Qe7? 9.d3?? 0–0–0?? 10.Nf3 a6 11.Bc4 f5 12.0–0 Nf6 13.Ng5 Ne5 14.d4?? Nc4–+ 15.Qc1 fe4 16.Rb1 e3 17.fe3 Nb2 18.Qb2 b6 19.Nd1 h6 20.Nf3 Nd5 21.Qb3 Nf6 22.a4?? Rde8 23.d5 Qe4 24.c4 Bf5 25.Rc1 g5 26.Kh1?? Ng4 27.Nf2 Nf2 28.Rf2 Rh7 29.Re2 Bg4 30.Rf1 Rf7 31.Ref2 Qe3 32.Qc2 Bf3 33.gf3 Ref8 34.Qd1 g4! 35.f4 Qe4 36.Kg1 Rf4 37.Rf4 Rf4 38.Rf4 Qf4 (39.Qe2 Bc3–+) 0–1. tschulz – MStr, grosses Mannschaftsturnier, 2005.

5.e4 Nh6 +/–.

5.Nf3 b6 6.e3 Bb7 7.Bc4 Bf3 8.Qf3 c6 9.Qh5 g6 10.Qf3 Qe7 11.0–0 Be5 12.d4 Bd6 13.Nc3 (13.e4 Nh6+–) 13...Nh6 14.Ne4 (14.e4 Nf7+–) 14...Nf5 15.Bd3 b5 16.Nd6 Qd6 17.c4 Nh4?? 18.Qg3 Nf5? 19.Qh3 Ng7?! 20.cb5 cb5 21.Bb5 a6 22.Bc4 Nc6 23.Qf3 Rb8 24.Bc1 Rb4? 25.Bb3 Na5? 26.Ba3 Nb3 27.ab3 a5 28.Bb4 Qb4 29.Qa8 Kf7 30.Qh8 h5 31.Qc8 Ke7 32.Qc4 Qb6 33.Rfb1 Ne6 34.b4 ab4 35.Rb4 Qd6 36.Rb7 g5 37.g3 h4 38.Raa7 Nc5 39.Rd7 Nd7 40.e4 Ke8 41.Qg8 Ke7 42.Qg7 Kd8 43.Ra8 Kc7 44.Qg8 Qc6 45.Rc8 Kd6 46.Rc6 Kc6 47.Qe6 Kc7 48.e5 fe5 49.de5 Kd8 50.Qd6 Ke8 51.e6 Nf6 52.e7 Kf7+– 53.Qd8 Ke6 54.e8Q Ne8 1–0. stoker – GARYPAULN, Live Game Caissa's Web, 2004.

5.Nf3 c5 6.c4 Nc6 7.e3 Ne5 8.Be2 Nf3 9.Bf3+/– Qc7 10.h3 Be5 11.d4 cd4 12.ed4 Bd6 13.Qe2 Ne7 14.0–0 Bh2 15.Kh1 Bf4 16.Re1 d6 17.a4 Kf7 18.d5 Be5 19.Be5 de5 20.Nc3 Re8? 21.Rad1 Rd8?? 22.Nb5 Qa5 23.Qc2 a6+/– 24.Nc3 Bf5 25.Be4 Be4 26.Ne4 Rac8 27.c5 Rd5= 28.Rb1 Rc7 29.Qa2 Kf8=+ 30.Nd6? Rcc5?? 31.Nb7+/– Rc6?? 32.Na5+– Ra5 33.Rb8 Rc8 34.Rc8 Nc8 35.Qe6 Rc5 36.Rd1 g6 37.Rd8 Kg7 38.Rc8 Rc8+– 39.Qc8 Kh6 40.Qa6 Kg5 41.Qe2 h5 42.g3 f5 43.Qe3 f4 44.gf4 ef4 45.Qe5 Kh6 46.Qf4 Kg7 47.h4 Kg8 48.Qf6 Kh7 49.Qf7 Kh6 50.Qf4 Kg7 51.Qg5 Kf7 52.f4 Ke6 53.f5 gf5 54.Qh5 Ke5 55.Qf5 Kf5 56.Kh2 Ke4 57.Kg3 Kd3 58.a5 Kd4 59.a6 Kd5 60.a7 Kc6 61.a8Q Kb6 ½–½. TresHuevos – GARYPAULN, Live Game Caissa's Web, 2005.

4.Bb2 Qe7

5.a3 Bc5 6.d4 Bb6 7.e3 Nc6 8.Bc4 d5 9.Bd5 f5 10.Qh5 g6 11.Bc6 bc6 12.Qf3 Ba5 13.Bc3+– Bc3 14.Nc3 Nf6?? 15.Qc6 Qd7 16.Qa8 (16…c5 17.Nf3 cd4 18.Nd4+–) 1–0. miehnekor – richimminnator, Yahoo, 2005.

5.e3 Nc6 6.Nc3 d6 7.Nd5+– Qd7 8.Qh5 g6?? 9.Qh4+– Qd8 10.Nb4 Nb4 11.Qb4 b6 12.Qe4 Be6 13.Bc4 d5 14.Qe6 Qe7 15.Qc6 Kf7 16.Qd5 Ke8 17.Qa8 Qd8 18.Qa7 Ne7 19.Ne2 Nf5 20.Nf4 Nh4 21.Ne6 (21…Ng2 22.Kf1+–) 1–0. pierre – carmela_6, internet, 2009.

5.e3 Nc6 6.Bc4 d6 7.Nf3 a6 8.0–0 Bd7 9.d4 Na5 10.Bg8 Rg8 11.c3 Nc4 12.cb4 Nb2 13.Qb3 Qe6 14.Qb2 Bb5 15.Rc1 0–0–0 16.Na3 Bc6 17.Rc6?! bc6 18.Qe2 Kd7 19.Nc4 Rb8 20.Na5 d5 21.Rc1 Rb6 22.Rc5 Rgb8 23.a4 Qf5 24.e4 Qe4 25.Qe4 de4 0–1. Trkn – Tony, itsyourturn.com, 2000.

5.e3 d5 6.c4 Qc5 7.Qh5 g6 8.Qd5 Qd5 9.cd5 c6 10.Bc4 Nd7 11.Nf3 Nb6+= 12.Ba3 Ba3 13.Na3+= cd5 14.Bb3 a6 15.0–0 Be6 16.e4 0–0–0 17.Nd4+= Bf7 18.ed5 Bd5 19.Rac1+= Kd7 20.Bd5 Nd5= 21.Rfe1 Nge7 22.Nc4 Rc8 23.g3 Nc6 24.Ne6 Ne5?? 25.Ne5 fe5 26.Nc5 (26…Rc5 27.Rc5+/–) 1–0. bentengutama (2210) – gkristiansen (2025), net–chess.com, 2003.

5.e3 Bd6 6.Nc3+= Be5 7.d4 Bf4 8.Nd5 Qe4?? 9.Nf4+– Qe7 10.Nd5 Qd6 11.Qh5 g6 12.Qf3 c6 13.Nc3 Ne7 14.Ne4 Qd5 15.Nf6 Kd8 16.Nd5 Nd5 17.c4 Nb4 18.Qf6 Kc7 19.Qe5 d6 20.Qh8 Nc2 21.Kd2 Na1 22.Qh7 Bd7 23.Ba1 Na6 24.Nf3 Re8 25.Bc3 c5 26.Bd3 Nb8 27.dc5 dc5 28.Be5 Kc8 29.Bb8 Rd8 30.Ba7 Bf5 31.Bb6 Rd7 32.Qh8 (32…Rd8 33.Qd8#) 1–0. pierre – margil, internet, 2008.

5.e3 Bd6 6.Nf3 Nc6 7.a3 Ne5 8.c4 Nf3 9.Qf3+/– Be5?? 10.d4+– Nh6 11.de5 fe5 12.Bd3 Rf8 13.Qh5 Kd8 14.Qe5 Qh4 15.0–0 Ng4 16.Qg3 Qg3 17.hg3 d6 18.Bg7 Rf7 19.Bb2 h5 20.Nd2 Ne5 21.Be2 Be6 22.Be5 de5 23.Bh5 Rd7 24.Nf3 Bc4 25.Rfd1 Bd5 26.Bg4 Rd6 27.Ne5 1–0. TurtleSoup – genome454, Live Game Caissa's Web, 2006.

4.Bb2 Ne7

5.a3 Ba5 6.e3 0–0 7.c4 d6 8.Bd3 Nbc6 9.Qh5 g6 10.Qh6 Nf5 11.Qf4 Ng7 12.h4 Nh5 13.Qf3 f5 14.Nh3 Ne5 15.Qd5 Kg7?? (better is 15...Rf7 16.Be5 c6 17.Qd6 Rd7 18.Qe6 Rf7 19.Bf5 Be6 20.Be6 Qh4=) 16.Qa5+– Kf7 17.Ng5 Kg7 (17...Kg8 18.Be2 c5 19.Qc3+–) 18.Be5 (better is 18.f4 b6 19.Qc3 Re8+–) 18...de5 19.Qe5 Kh6 20.Bc2 Nf6 21.Nc3 Ng4 (21...Re8 22.Nf7 Kg7 23.Nd8 Re5 24.Rb1+–) 22.Qf4 Kg7 23.Nd5 h6 24.Qd4 (better is 24.Qc7 Qc7 25.Nc7 hg5 26.Na8 gh4 27.Rh4 Be6+–) 24...Kg8 25.Nf3 c6 26.Nf4 Qd4 27.Nd4 Ne5 28.c5 Kh7 29.0–0–0 Bd7 1–0. combijack (1805) – gdhamil, gameknot.com, 2011.

5.a3 Ba5 6.e3 0–0 7.Bd3 =.

5.a3 Ba5 6.e3 0–0 7.Nf3 d5 8.c4 (8.Be2 c5=) 8...c5 (8...Nd7 9.Qc2=) 9.Be2 (9.cd5 Nd5 10.Bc4 Be6=) 9...Nbc6 (9...Qb6 10.Qc1=) 10.0–0 d4 (10...Be6 11.cd5 Qd5 12.d4=) 11.ed4 Nd4 (11...cd4 12.Qb3=) 12.Nd4 cd4 13.c5 Nc6 14.Qb3 Kh8 15.a4 (15.Bb5 Bf5+=) 15...b6 (15...Bb4 16.Rc1=) 16.Ba3 (16.Bf3 Bd7 17.cb6 Bb6=) 16...Re8=+ 17.Bf3 Bb7 18.d3 (18.Rc1 Rb8=+) 18...Qd7 19.Rd1 (better is 19.cb6!? ab6 20.Rc1=+) 19...Qe7 20.h3 bc5 21.Qc2 (21.Bc5 Qc5 22.Qb7 Ne5=+) 21...Bc7 (21...Nb4 22.Bb4 cb4 23.Bb7 Qb7 24.Qc4–+) 22.Nd2–/+ Qe5 (22...Bd6!?–/+) 23.g3=+ Bd6 (23...Bb6 24.Rac1=+) 24.Ne4 (24.Nc4!? Qf5 25.Be4+= (< 25.Nd6 Qf3 26.Qc5 Re2–/+)) 24...Na5 (24...Rac8 25.Nd6 Qd6 26.Qc5 Qc5 27.Bc5=) 25.Nd6 Qd6 26.Bc5 Qc7–+ 27.Bg4 Qc6 28.f3 h5! 29.Bh5 Re5 30.Bg4 Rc5 31.Qf2 Re8 32.Qd4 Nb3 33.Qd7 Na1 34.Qc6 Bc6 35.Ra1 Re3 36.d4 Rc2 37.f4 Rg3 38.Kf1 Bg2 39.Ke1 Bf3 40.Bf3 Rg1# 0–1. Popkirov,Stojan – Schneider,Andreas2, GER–ch U11 Friedrichroda, 1997.

5.a3 Ba5 6.e3 d5 7.c4 (7.Qh5 g6 8.Qh4 Nd7=) 7...Be6 (7...0–0 8.Qb3=+) 8.Nh3 (8.Qh5 Bf7 9.Qg4 Bg6=) 8...Nbc6 9.Nf4 Bf7 (9...Bf5 10.g4 Be4 11.f3 Bb1 12.Rb1+=) 10.Qg4 Ng6 (10...Rg8!?=) 11.cd5+/– Bd5 12.Nd5 Qd5+= 13.Bc4 Qd7 14.Be6 Qe7 15.Bd5 Nge5 16.Qh5 g6= 17.Qe2 0–0–0 18.e4 Rhe8 19.0–0 f5 20.Bc6 Nc6 21.Re1 Qe4–+ 22.Qe4 Re4 23.Re4 fe4 24.Bf6 Rd3 25.Bg5 Nd4–+ 26.Kf1 Rb3 27.Nc3 Bc3 28.dc3 Rc3 29.Bf6 Rd3 30.g3? Nc2 31.Ra2 Na3 32.Be7 Nb5 33.Ra4 Rd1 34.Kg2 Rd4 35.Ra1 b6 36.Bf6 Rc4 37.Rd1 Nd6 38.h3 a5 39.g4 Kd7 40.Ra1 Ke6 41.Bg5 a4 42.Kf1 b5 43.Ke1 Rc3 44.Be3 Nc4 45.Ke2 Ne3 46.fe3 c5 47.Kd2 Rd3 48.Ke2 a3 49.Rb1 b4 50.Rc1 Kd5 51.h4 h6 52.h5 gh5 53.gh5 b3 54.Rf1 a2 (55.Ra1 b2 56.Ra2 b1Q 57.Rd2 c4 58.Rd3 ed3 59.Kf2 d2 60.Kg3 Qg1 61.Kh4 Qh2 62.Kg4 Ke5 63.Kf3 d1Q#) 0–1. Frosinos,Ioannis – Spirakopoulos,Ioannis, Ikaria op, 1992.

5.c4 0–0 6.Nf3 Kh8 7.e3 (7.Nc3 Na6=) 7...d5 8.Nc3 b6 (8...Nbc6!?+=) 9.a3 (9.cd5 Nd5 10.Qb3 Nc3 11.Qb4 Nd5+=) 9...Bc3 10.Bc3 (10.dc3 Na6=) 10...c5= 11.Be2 Bb7 (11...Nbc6 12.Qb3=) 12.0–0+= Nd7 13.d4 Rc8 14.Rc1 Re8 15.cd5 Nd5 16.Bb2 Qe7 17.Qd2 Nf4 18.Bd1 Nd5 19.Ba4 Red8 20.Bc2 (20.Rfe1 Nc7+=) 20...Nc7 21.Qd3 Nf8 22.Nh4 Qe8 23.f4?? (better is 23.Rfe1+=) 23...Ba6–+ 24.Qd2 Bf1 25.Rf1 cd4 26.Bd4 Nce6 27.Nf3 Nd4 28.Nd4?? Ne6 29.Qd3 g6 30.f5 Nd4 31.ed4 g5 32.Bb3 Qe7 33.Be6 Rc7 34.d5 Qc5 35.Kh1 Qc3 36.Qc3 Rc3 37.Rd1 Kg7 38.d6 Rd6!! 39.Ra1 Rcd3 40.h3 Rd1 41.Rd1 Rd1 42.Kh2 Ra1 0–1. Latka,Tadeusz (1625) – Golda,Sebastian, Cztery Pory Roku w KKSz – wiosna Poland, 2012.

5.c4 Nbc6 6.e4 0–0 7.Nf3 d6 8.h3 Be6 9.Be2 f5 10.ef5 Nf5 11.0–0 Bc5 12.d4 Bb6?? 13.d5+/– Bd7 14.dc6+– (14…Bc6 15.Nbd2+–) 1–0. agluis (2090) – pacass (1840), net–chess.com, 2003.

5.c4 Nbc6 6.Nf3 0–0 7.e3 d6 (7...d5 8.a3 Ba5 9.Bd3=) 8.a3 Bg4?? (better is 8...Ba5=) 9.ab4+– Nb4 10.e4 (10.d4 a5+–) 10...Ng6 11.Qb3 c5 12.Be2 Bf3 13.Bf3 Ne5 14.Be5 de5 15.Nc3 Nd3 16.Ke2 Nf4 17.Kd1 b6 18.g3 Nd3 19.Rf1 Nb4 20.Nd5 a5 21.Ke2 Qd6 22.Nb4 ab4 23.Rfd1 Qd4 24.Qd3 Qd3 25.Kd3 Rfd8 26.Kc2 Kf7 27.Kb2 g6 28.Bg2 Ra1 29.Ka1 Rd3 30.Kb2 Ke6 31.Kc2+– Ra3 32.Rb1 Kd6 33.d3 Kc6 34.f4 b5 35.cb5 Kb5 36.fe5 fe5 37.Bh3 c4 38.dc4 Kc4 39.Be6 Kc5 40.g4 Re3 41.Bg8 Re4+= 42.Bh7 Rg4= 43.Kb3 Rc4?? 44.Bg6+– Rc3 45.Kb2 Re3 46.h4 e4 47.h5 Re2 48.Ka1 e3 49.h6 Rh2 50.h7 e2 51.Be4 Kc4?? 52.Kb2 Kd4 53.Rh1 Rh1 54.Bh1+/– e1Q 55.h8Q Kc5? 56.Qh5 Kd4? 57.Qd5 Ke3 58.Qe4 Kd2 59.Qb4 Ke2 60.Bf3! Kf2 61.Qh4 Kf1 62.Qh1 Kf2= 63.Qg2 Ke3 64.Kc2 Qf2 65.Qf2 Kf2 66.Bc6 ½–½. wlittle (2215) – veera (2250), net–chess.com, 2004.

5.c4 d5 6.e3 Be6 7.cd5 Qd5 8.Nf3 Nbc6 9.Be2 0–0–0 10.0–0 h5 11.Nc3 Qf5 12.h3 Qg6 13.Nh4 Qf7 14.Ne4 g5 15.Bf6 gh4 16.Bh4?? (better is 16.Bh8 Qg6 17.a3 Bh3 18.Bf3 Bg2 19.Bg2=) 16...Qg6–+ (16...Ba2?! 17.d4–+) 17.Ng3 Rd2 18.Qb1 Nf5 19.Bf3 a5 20.Be4 Rf8 21.Qc1 Qg7 22.Bf5 Bf5 (22...Rf5?! 23.Nf5 Bf5 24.Kh1–+) 23.Nf5 Rf5 24.Rb1 (24.a3 Bc3 25.Bg3 Rfd5–+ (25...Ba1?! 26.Qd2 Rg5 27.Qa2–+)) 24...Ne5 (better is 24...Rc5 25.Qe1 Ne5 26.Kh1–+) 25.Bg3 Nf3! 26.gf3 Rg5 (< 26...Rf3 27.Qc7 Qc7 28.Bc7 Kc7 29.Ra1–+) 27.Rb4 (27.Qd2 Bd2 28.Kh2–+) 27...Rg3! 28.Kh2 (28.fg3 Qg3) 28...Rg2 (28...ab4 29.Qd2 Rg2 30.Kh1=; 28...Ra2?! 29.Rg4 Rg4 30.fg4 hg4 31.hg4 Qg4 32.Qc3 Qh4 33.Kg2–+) 29.Kh1 Rd8 (29...Qg3 30.Qc7 (30.fg3?? Rh2 31.Kg1 Rdg2) 30...Qc7 31.Kg2 ab4 32.f4–+) 30.Rb5 (30.Rb7 Rg8 31.Rc7 Qc7 32.Qc7 Kc7 33.e4–+) 30...Rg8 31.Rh5 Rh2!? 0–1. hal1958 – Kounoupidi, HCL–B2136 playchess.de, 2003.

5.c4 d5 6.e3 Be6 7.cd5 (better is 7.Qh5 Bf7 8.Qg4=) 7...Bd5 (7...Nd5 8.Qb3 a5 9.a3=) 8.Nf3 (8.Qg4!? Qd6 9.Qg7+=) 8...0–0 9.Nc3 Nbc6 (9...Bf7 10.Qc2=) 10.Nd5 Nd5 11.Bc4 (11.a3 Bc5+=) 11...Kh8 12.0–0 Qd6 13.d4 Rad8 14.Rc1 f5 15.Bd5 Qd5= 16.a3 Ba5 17.Rc5+= Qd6 18.Qc2+/– Bb6 19.Rf5 Ne7 20.Rf8 Rf8 21.e4 c6 22.Qc3+– Bc7 23.d5 Qh6 24.h3 Rf7 25.Ne5 Be5 26.Qe5 cd5 27.ed5 Qd2 28.d6 Ng6 29.Qe6 Rf8 30.Bc1 Qd3 31.Bg5 h6+/– 32.Be7 Ne7 33.Qe7 Rg8 34.d7 Qd2 35.Qe8!! (35…a5 36.Re1+–) 1–0. Voelschow,Toni Eleonore – Hartmann,Elisa, MVP–ch U14 Girls, 2003.

5.e3 d5 (--> 1.b4 e5 2.Bb2 d5 3.Be5 f6 4.Bb2 Bb4 5.e3 Ne7).

5.e3 d6 6.Qh5+= Ng6 7.a3 Bc5 8.d4 Bb6 9.Bd3 0–0 10.Bg6 hg6 11.Qg6 Be6 12.Nd2 Ba5 (12...Nc6 13.Ngf3 Ne7 14.Qd3+/–) 13.Ngf3 Nc6 (13...Qd7!?+/–) 14.Ng5!+– fg5 (14...fg5 15.Qe6 Pinning (15.Qe6 Deflection)) 15.Qe6 Rf7 16.0–0–0 Qf6 17.Qb3 Raf8 18.Qb7 d5 19.Qb5 Qd6 (19...Bd2 20.Rd2 Qd6 21.Rf1+–) 20.Nb3 Bb6 (20...Rb8 21.Qa4 Bb6 22.Rd2+–) 21.c4 dc4 (21...Rf2 22.Qd5 (worse is 22.cd5 Ne7+/–) 22...Qd5 23.cd5+–) 22.Qc4 Re8 (22...Rb8 23.f3+–) 23.Rd2 Ba5? (23...g4+–) 24.Rc2 (24.Rc2 Rb8 25.Rf1+– (worse is 25.Qc6 Rb3 26.d5 Qh6+–)) 1–0. dewil – composite, ChessWorld.net, 2009.

5.e3 Ng6 6.a3 Ba5 7.Bd3 d6?? (better is 7...d5+=) 8.Qh5+– Ke7 (8...f5 9.Bg7 Rg8 10.Qh7+– (10.Bf5?! Rg7 11.Bg6 Rg6 12.Qa5 Qe7+/–)) 9.Qa5 1–0. Wall,Bill – Camaguey, internet, 2002.

5.e4 0–0 6.Nf3 d6 7.Bc4 Kh8 8.0–0 Ng6 9.h3 Nc6 10.c3 Bc5 11.d4+= Bb6 12.Bd3 Nf4= 13.Na3 Nd3 14.Qd3 Qe7 15.Nc4= Na5 16.e5?? Nc4–/+ 17.Qc4 fe5 18.de5 de5 19.Rfe1? Rf5?? 20.Qh4?? Bd7 21.Qe7+– Bc6 22.c4 Bf3 23.Be5 (23…Re5 24.Re5+– (24.gf3?! Re7 25.Re7 h6+–)) 1–0. gtate (1815) – gannett (1635), net–chess.com, 2002.

5.e4 d6 6.a3 Bc5 7.Qh5 Ng6 8.f4 Qe7= 9.Nc3 0–0 10.Bc4 Kh8= 11.Nge2 Nc6 12.0–0–0 Nd4 13.Rhf1 c6 14.Nd4 Bd4=+ 15.Rf3 Bc3 16.Bc3= Qe4 17.Bd3+/– Qe8 18.Rg3 Kg8 19.Rg6 hg6 20.Bg6 Rf7 21.Qh7 Kf8 22.Qh8 Ke7 23.Re1 Be6 24.Qe8 Re8 25.f5 Kf8? 26.fe6 Rfe7 27.Be8 Ke8 28.h4 (28…c5 29.h5+–) 1–0. Mueller,Klaus Detlef – Sprenger,Frank, corr DDR, 1981.

5.e4 Ng6 6.a3 Ba5 7.Qh5 Nc6 8.f4 (8.Bc4!?+=) 8...0–0= 9.Bc4 Kh8 10.Ne2 Qe8 (10...Qe7 11.0–0 Qe4 12.Bd3=) 11.0–0 (11.Bd5 Bb6=) 11...Nge7 (11...Qe4 12.Bd3 Qe8 13.Nbc3=) 12.Qh4 (12.Qf3!?+=) 12...Ng6= 13.Qh5 Nge7 (13...Qe4 14.Bd3 Qe8 15.Nbc3=) 14.Qh4 (14.Qf3!?+=) 14...Ng6= 15.Qg3 (15.Qh5 Nge7=) 15...Qe4+= 16.Bd3 Qe8 17.f5 (17.Nbc3 Qf7+=) 17...Nge5–/+ 18.Nf4 (18.Nbc3 Bb6 19.Kh1 Nd3 20.Qd3 Ne5–/+) 18...Nd3 19.cd3 (19.Qd3!? Bb6 20.Kh1–/+) 19...Bb6–+ 20.Kh1 Bd4 (better is 20...Ne7–+) 21.Bd4+= Nd4 22.Ng6 Kg8?? (better is 22...hg6 23.Qh4 Kg8 24.fg6 Qg6 25.Qd4 Re8+=) 23.Nf8+/– Qf8 24.Qc7 d5? (better is 24...Nb3!? 25.Ra2 b6+/–) 25.Nc3+– Nf5 (25...Kh8 26.Rf4 Nf5 27.Re1+–) 26.Nd5 Be6 (26...Qf7 27.Rae1 Bd7 28.Qb7+–) 27.Rf5! (27.Qb7?! Rb8 28.Qa7 Ra8+–) 27...Bf5 (27...Re8 28.Ne3 Bf5 29.Nf5+–) 28.Ne7 Kh8 29.Nf5 b6 (29...g6 30.Nd6 Qg7 31.Rc1+–) 30.Re1 Rc8 (30...a5 31.a4+–) 31.Qa7 g6 (31...Ra8 32.Qb6 Qa3 33.d4+–) 32.Ng3 (32.Ne7!? Rd8 33.Re3 Qf7 34.Qb6 Ra8+–) 32...Qd6 (32...Re8 33.Re8 Qe8 34.Ne4+–) 33.Qf7 (33.Ne4!? Qe6+–) 33...Qe5 (33...f5 34.Nf1 Rf8 35.Qb3+–) 34.Rf1 (34.Rb1 f5+–) 34...f5 35.Qb3 b5 36.Qd1 (36.Rb1 Kg7+–) 36...Qd6 (36...Ra8 37.Qc1+–) 37.Qa1 Kg8 38.d4 (38.Qa2!? Kg7 39.Qb2 Kg8 40.Qb5 Rd8+–) 38...Ra8 (38...Rc2 39.Rd1+–) 39.Rf3 (39.Qb2 Qa3 40.Qb5 Qa2+–) 39...Ra4 Black prepares the advance b4 (39...b4 40.a4 Qd7 41.Qa2 Kg7 42.a5+–) 40.Ne2 (better is 40.Qa2!? Kh8 41.d5 Qc5+–) 40...b4 41.Qd1 (41.Qb2 Ra3 42.Re3 f4 43.Re8 Kf7+–) 41...Ra3 42.Ra3 (42.Rb3 Kg7+–) 42...ba3 43.Qb3 Kg7 44.Nc1 (better is 44.Kg1!?+–) 44...Qf4+/– 45.Qe3 Qf1 46.Qg1 Qc4 47.h3 a2 48.Na2 Qa2 49.Qe3 Kf7 50.Qh6 Kg8 51.Qf4 Kf7 52.Qc7 Kf6 (52...Kg8 53.Qd8 Kg7 54.Qe7 Qf7 55.Qe5 Qf6 56.Kg1+=) 53.Qe5+/– Kf7 54.d5 Qd2 55.Qe6 (55.d6!? Qg5 56.d7+/–) 55...Kf8= 56.Qe5 Qa5 (better is 56...Kf7=) 57.Qh8+– Kf7 58.Qh7 Kf6 59.Qd7 (better is 59.Qh8 Kf7 60.Qe5+–) 59...Qe1= 60.Kh2 Qe5 ½–½. Kasper,Peter (1785) – Revinelli,Sergio (1825), 2rd Berlin Germany, Lichtenberger Somme, 2013.

5.Nf3 0–0 6.e3 (--> 5.e3 0–0 6.Nf3).

5.Nf3 Nbc6 6.e3 d5 7.Bb5 Bd7 8.c4 a6=+ 9.cd5 ab5 10.dc6 Bc6 11.Bc3 Bc3 12.Nc3 0–0 13.0–0 Nd5 14.Nd5 Bd5 15.Qc2 Qe7 16.Nd4= Qe4 17.Qe4+= Be4 18.Rfc1 c6= 19.Ne6 Rf7 20.Nc5 Bd5 21.a3 b6 22.Nd3 c5 23.Nf4 Bc4 24.d3= Bb3 25.h3 Rfa7–/+ 26.Rab1 Ra3 27.Rc3 c4 28.dc4 Bc4 29.Ra3–/+ Ra3 30.g4 Ra4 31.Kh2 b4 32.Ng2 b3–+ 33.Ne1? Ra2 34.Kg3 Bd5 35.Nd3–/+ Be4 36.Rb3= Bd3 37.Rd3 b5 38.Rb3 Ra5 39.f4 Kf8 40.f5 Ke7 41.Kf4 Kd6 42.Ke4 Kc5 43.Kd3 b4=+ 44.e4 Ra3 45.Ra3=+ ba3 46.Kc3 Kb5 47.h4 Ka4?? 48.g5+/– fg5? 49.hg5+– a2 50.Kb2 Kb4 51.e5 Kc5 52.f6 gf6 53.gf6 Kd5 54.f7 a1Q 55.Ka1 Ke6 56.f8Q Ke5 57.Qg7 (57…Ke4 58.Qh7 Ke5 59.Qe7 Kf4 60.Qd6 Kf5 61.Kb2+–) 1–0. coloplayah (1990) – ljswails (1855), net–chess.com, 2005.

5.Nf3 d5 6.Nc3 0–0 7.e3 Nbc6 8.d4 Nf5 9.Bd3 Nd6 10.0–0 Be6 11.Ne2 Nc4 12.Bc3 Bc3 13.Nc3 Nb2 14.Qd2 Nd3 15.Qd3 Re8 16.Ne2 Bg4 17.Nf4 Bf3 18.gf3 Ne7 19.Kh1 Qd6 20.Rg1 g6 21.Rg2 c5 22.c3 cd4 23.cd4 Qd7 24.Rag1 Kf8 25.Qb3 Rac8 26.Qa3 Qf5 27.Qa7 g5 28.Ne2 Qf3 29.Ng3 (better is 29.Re1!?=) 29...Ng6 30.Qb7 Nh4 31.Qb4 (31.Qh7 Ng2 32.Qh6 Ke7–+) 31...Re7 32.Qe1 Rec7 33.Qe2 g4 34.h3 gh3 (34...gh3 35.Qf3 Nf3–+ (35...hg2?! 36.Qg2 Ng2 37.Kg2–/+)) 0–1. Jokmin,Alex – Allwardt,David, SN–2009–0–00209, 2009.

5.Nf3 d5 6.e3 0–0 7.c4 Kh8 8.h4 (8.a3 Ba5=) 8...Nbc6 9.h5 h6 10.Nh4 (10.a3 Ba5 11.Qb3=) 10...Ne5 (10...d4 11.Be2+=) 11.a3 (better is 11.Qb3!? Qd6 12.cd5+/–) 11...Ba5+= 12.Qa4 (12.cd5 Qd5 13.Nc3 Qc6+=) 12...c6 (12...b6 13.cd5 Qd5 14.Bc3+=) 13.cd5 Qd5 (13...cd5 14.Bc3 Bb6 15.d4=) 14.Nc3= Bc3 15.Bc3 Nd3?? (better is 15...c5=) 16.Bd3+– Qd3 17.Bb4 Bg4 18.f3 Bh5 (18...Qc4 19.d3 (19.fg4?! a5 20.Rb1 Qg4=) 19...Qd3 A) 20.fg4 Qe3 21.Kd1 Rad8 22.Kc2 Qe4 23.Kc1 A1) 23...Qg4?! 24.Qc2 c5 25.Bd2+= (25.Bc5? Qg5 26.Kb1 Rd2–+; 25.Qc5 Rc8 26.Kb2 Qe2 27.Kb3 Rc5 28.Bc5 Qe6 29.Kb2 Qe5 30.Kb1 Qc5–+); A2) 23...Qf4 24.Kb1 c5–+; B) 20.Be7 Qe3 21.Kf1 Bh5 22.Bf8 Rf8 23.Qb4+–) 19.Be7 Rfe8? (19...Rf7 20.Bb4 Rd7+–) 20.Bf6! gf6 (20...Kg8 21.Qf4 Rf8 22.Qd4 Qd4 23.Bd4+–) 21.Qf4 Rad8 (21...Qh7 22.Nf5 Qg6+–) 22.Qf6 Kg8 (22...Kh7 23.Nf5 Qd2 24.Kf1 Qd3 25.Kg1 Qf5 26.Qf5 Bg6 27.Qf4+–) 23.Nf5 Qd2 24.Kf1 (24.Kf1 Qd3 25.Kg1 Qf5 26.Qf5+–) 1–0. Sokac,Marko (1950) – Muha,Miljenko (1840), CRO–ch U17, 2012.

5.Nf3 d5 6.e3 Bg4 7.Be2 Nbc6 8.0–0 Qd6 9.d4 0–0–0 10.Nbd2 Rhe8 11.c4 dc4 12.Nc4+= Qd7 13.Qb3 Bd6 14.Nd6 Qd6 15.a4 Qd5 16.Bc4 Qf5 17.Bc3 Kb8 18.Rfb1+/– b6 19.Ne1 a5 20.Nd3 Qg5 21.Kh1 Ng6 22.Rb2 Nh4 23.Qb5 Qb5 24.Bb5 Rd6 25.Ba5!+– Red8 26.Bc3 Bf5 27.h3 Bd3 28.Bd3 h6 29.a5 Ne7 30.Bb4 R6d7 31.ab6 cb6 32.Be7 Re7 33.Rb6 Kc7 34.Rab1 Ree8 35.Rb7 Kd6 36.Bc4 Rd7 37.Rd7 Kd7 38.Bb5 Ke7 39.Be8 Ke8 1–0. Wiczynski,Artur – Stankiewicz,Pawel, Poland–ch U10, 2003.

5.g3 d5 6.Nf3 =+.

5.g3 Ng6 6.Bg2= c6 7.e4 (7.c3 Be7=) 7...Ne5 (7...Qb6 8.Bc1=+) 8.Nf3 (8.Be5 fe5 9.Qh5 Kf8 10.Qe5 Kf7+/–) 8...d6 9.0–0 0–0 10.c3 Ba5 11.d4 Nc4 12.Qb3 d5 (better is 12...b5!?+=) 13.ed5+/– cd5 14.Qc2?? Nc6 15.Nbd2 Nb2 16.Qb2 Rb8 17.Nb3 Bb6 18.Nbd2 Na5 19.Ne1 Bf5 20.Qb5 Be6 21.Nb3 a6 22.Qd3 Nc4 23.Nd2 Nb2 24.Qc2= Nc4 25.Nef3 Ba7 26.Rab1? b5?? 27.Nc4= bc4 28.Rb8 Qb8 29.Rb1 Qc7 30.Qa4 Rb8 31.Rb8 Qb8 32.Qa6 Qb1 33.Bf1 Qb8?? 34.Qe6+– Kh8 35.Qd5 h6 36.Qc4 Qb7 37.Qb3 Qe7 38.Bg2 Qe2 (39.Qb7 Bb6+–; 38...Kh7 39.Nd2+–) 0–1. var – hgflyer, Live Game Caissa's Web, 2004.

5.e3 0–0

6.a3 Ba5 =.

6.c3 Ba5 7.Nf3 =.

6.c3 Bd6 7.Nf3 b6 8.d4 Bb7 9.Nbd2 c5 10.Ba3 Qc7 11.Nc4 (11…Nc8 12.Nd6 Nd6 13.Bd3+=; 11.Bc4 Kh8+=). pierre (2165) – bai_bai, internet, 2007.

6.c4 d5 7.Qb3 Nbc6 8.cd5 (8.Nf3 Be6=+) 8...Nd5–/+ (8...Qd5?? 9.Bc4 Bd2 10.Nd2+–) 9.Bc4 Be6 10.a3 (10.e4 Na5 11.Bd5 Nb3 12.Be6 Kh8 13.Bb3 Qd3=+) 10...Na5 (10...b5 11.Bb5 Nf4–/+) 11.Qb4+= Nb4 12.Be6 Kh8 13.ab4 Nc6 (13...Qd6=) 14.Bc3 (14.b5!? Ne5 15.Be5 fe5 16.f3=+) 14...Qd6=+ 15.Bb3 (15.Bf5 Nb4 16.d4 a5=+) 15...Nb4–/+ 16.d4 Nd3 17.Kf1 c5 18.Nd2 (18.Bc4 cd4 19.Bd4 Ne5–/+) 18...cd4 (18...Rfc8 19.Bc4 cd4 20.Bd4–/+) 19.Bd4=+ a5 20.Ngf3 (20.Bc4 Ne5=+) 20...b5–/+ 21.Bc2 Nc5 22.Ne4 Ne4 23.Be4 Rac8 24.Bd3 Qd5 25.Ke2 b4 26.Rhc1 Rc1 27.Rc1 a4 28.Rc4 Rb8 29.Rc5 Qd8 30.Rc1 a3 31.Ba7 b3 32.Bb8=+ b2 33.Rd1 a2–/+ 34.Ng5 fg5 35.Be5 b1Q (36.Bg7 Kg7 37.Rb1 Qd3 38.Kd3 ab1Q (38...ab1N?! 39.g4=+; 38...ab1B?! 39.Kd4–/+) 39.Ke2 Qg1–+) 0–1. Waibel,Ulrich – Behrmann,Klaus, compuserve, 1996.

6.c4 d5 7.Qb3 Qd6 =.

6.c4 d5 7.cd5 Qd5 8.Nc3 Qf7 9.Be2 Be6=+ 10.a3 Ba5 11.Nf3 c5 12.0–0 Rd8 13.d3 Nbc6 14.Ne4 b6 15.Bc3 Bc3=+ 16.Nc3 Rd7 17.Qc1 Rad8 18.Rd1 Ng6 19.Qb2 Nge5 20.Ne1 h5 21.Ne4 Bf5 22.Qc3 h4 (23.f4 Ng4 24.Bg4 Bg4=+; 22...c4 23.Ng3 cd3 24.Bh5=+). Roos,Bernhard – Kahl,Fred, DESC, 2001.

6.c4 d6 7.a3 Ba5 8.Nf3 =.

6.Nf3 a6 7.c4 d5 8.Qb3 Bc5? (better is 8...Qd6=) 9.d4+– Bd6? (9...Bb6 10.cd5 Kh8+– (10...Qd5?? 11.Bc4 Be6 12.Bd5 Bd5 13.Qc2+–)) 10.c5 b5 (10...Bc5 11.dc5 Nd7 12.Bd4+–) 11.cd6 Qd6 (11...cd6 12.Bd3 Nbc6+–) 12.Ba3 (12.Ba3 Qe6 13.Be7+–) 1–0. pierred – anony, internet, 2014.

6.Nf3 Nbc6 7.c4 d6 8.Be2 Be6 9.0–0 Na5 (better is 9...d5=) 10.d4+– Nc4 (10...b5 11.cb5 a6 12.ba6+–) 11.Qb3 Nb2 (11...b5 12.Qb4 a6 13.Bc4 Bc4 14.Rc1+–) 12.Qe6 Rf7 13.Qb3 a5 (13...Ba5 14.Qb2 Rb8 15.Rc1+–) 14.a3 Na4 (14...d5 15.ab4 Nc4 16.Bc4 dc4 17.Qc4+–) 15.Qa4 (worse is 15.ab4 Nb6 16.ba5 c6+–) 15...b5 (15...Ba3 16.Ra3 c6 17.Bc4+–) 16.Bb5 c6 17.Bd3 c5 18.ab4 ab4 (18...cb4 19.Nbd2 Nc8+–) 19.Qa8 Rf8 20.Qb7 Rf7 21.Ra8 Nc8 22.Bc4 Kf8 (22...h6 23.Bf7 Kh7 24.Rc8 h5 25.Qe4 f5 26.Qf5 g6 27.Qg6 Kh8 28.Rd8) 23.Qf7 1–0. Janek – guestn, internet, 2016.

6.Nf3 d6 7.c4 Bg4 8.Be2 Nd7 9.0–0 Ne5 10.Ne5 Be2 11.Qe2 fe5 12.d4 ed4 13.Bd4 Nf5 14.Bb2 Qg5 15.Kh1 Rae8 16.Qd3 Ne3 17.Rg1?? (better is 17.fe3 Rf1 18.Qf1 Re3 19.Na3 Ba3 20.Bd4–/+) 17...Rf2 (17...Ng4 18.Bd4 Qe5 19.f4 Rf4 20.Na3 Rd4 21.Qg3–+) 18.Bd4 Rg2 19.Be3 Re3 20.Qd5 Qd5 (20...Qd5 21.cd5 Rb2–+) 0–1. mr5reasons1 (1695) – spareskey (1685), gameknot.com, 2013.

6.Nf3 d6 7.Be2 a6 8.0–0 Ng6 9.c3 Bc5 (9...Ba5 10.Qb3 Kh8 11.d4+=) 10.Qb3 Kh8 11.d4 Ba7 12.c4 c6 13.h4 (13.Bd3 Qe7+/–) 13...h6 (13...Re8 14.Bd3+=) 14.Nc3 Nd7 15.h5 Ne7 16.Rad1 Nb6 (16...Qe8 17.Nd2 Bb8 18.Rfe1+=) 17.c5 (17.a4 d5 18.c5 Nd7+/–) 17...dc5 18.dc5 Nbd5 19.e4 Qc7? (better is 19...Nc3 20.Qc3 Qc7+=) 20.ed5+– (20.Nd5?! cd5 21.ed5 Bc5+=) 20...cd5 21.Rfe1 (21.Nd5 Nd5 22.Qd5 Qc5 23.Qc5 Bc5+–) 21...Bg4 (21...Qc5 22.Nd4 Qd6+–) 22.Nd4 Be2 (22...Bc8 23.Na4+–) 23.Re2 (worse is 23.Nce2 Rfe8 24.Ne6 Qc6+–; 23.Nde2?! Bc5 24.Nd4 Bd4 25.Rd4 Rfe8+–) 23...Bc5 (23...Rfe8+–) 24.Ne6 Qd6 (24...Qc6 25.Nc5 Rfe8 26.Ba3+–) 25.Nd5 Qe6 (25...Nc6 26.Nf6 Na5+–) 26.Re6 Nd5 27.Rd5 1–0. Janek – Vesely, internet, 2016.

6.Nf3 Bd6 7.Bc4 Kh8 8.0–0 c6 9.d4 b5 10.Bd3 Ba6 11.a4 ba4 12.c4 Bb7 13.c5 Bc7 14.Qa4 Nd5 15.Nc3 Nc3 16.Bc3 d6 17.Rfb1 Bc8 18.cd6 Qd6? 19.Bb4+– Qd7 20.Bf8 Bd6 21.Bf5! Qc7 22.Bd6 Qd6 23.Bc8 (23…a5 24.d5+–) 1–0. Trkn – guest6365, ICC, 2004.

6.Qg4 Nbc6 =.

6.Qh5 d5 =.

6.Nf3 d5

7.c4 c5 8.a3 Ba5 A) 9.Qb3 Kh8 (9...Be6 10.Qb7 Nbc6 11.cd5 Bd5 12.Qa6 Rb8 13.Bc3 Rb6 14.Qe2 Qd6=) 10.Nc3 dc4 11.Bc4 a6 12.a4 Nbc6 13.0–0 Bb4 14.Qc2 Bg4=; B) 9.cd5 Nd5 10.Qc2 b6 11.Bc4 Be6 12.0–0 Qd6 13.e4 Nf4 14.e5 Qd7+=.

7.c4 c5 8.Bd3 A) 8...Be6 9.Qc2 f5 10.Ng5 Bc8 11.a3 Ba5 12.cd5 Qd6 13.Bc4 a6 14.f4 b5+/–; B) 8...b6 B1) 9.a3 Ba5 10.Qc2 f5 11.0–0 Nbc6 12.cd5 Nd5 13.Bc4 Be6 14.Rd1 a6=; B2) 9.cd5 Nd5 (9...f5 10.Bc4 Nd5 11.Ng5 Bb7 12.Ne6 Qd7 13.Nf8 Kf8 14.Qh5 Kg8+– 1.56) 10.Qc2 f5 11.a3 Ba5 12.0–0 Be6 13.Bc4 Nc6 14.Rc1 Rc8=; B3) 9.0–0 Be6 (9...Bg4 10.cd5 Nd5 11.a3 Ba5 12.Bc4 Be6 13.d4 Qd6 14.dc5 Qc5+/–) 10.Qc2 f5 11.Ng5 Bc8 12.a3 Ba5 13.Nc3 h6 14.Nh3 d4=; B4) 9.Qc2 f5 10.0–0 Be6 11.Ng5 dc4 12.Ne6 Qd3 13.Rc1 Rc8 14.Qc4 Qc4+=; C) 8...h6 C1) 9.a3 Ba5 10.cd5 Qd5 11.Qc2 Qd6 12.Nc3 Qe6 13.Ne2 Qd6 14.Bc4 Kh8+=; C2) 9.0–0 Be6 (9...Bg4 10.Qb3 Bf3 11.gf3 a5 12.a3 a4 13.Qc2 Ba5 14.cd5 Qd6+=; 9...Nbc6 10.a3 Ba5 11.cd5 Qd5 12.Qc2 Be6 13.Rc1 Bb6 14.Nc3 Qb3+=) 10.a3 Ba5 11.Qb3 Nbc6 12.Nc3 Qb6 13.Qb6 Bb6 14.cd5 Nd5=; C3) 9.Qc2 b6 (9...Qd6 10.a3 Ba5 11.cd5 Nd5 12.Nc3 Nc3 13.dc3 Nc6 14.Rd1 Qe7+=) 10.a3 Ba5 11.cd5 Nd5 12.Bc4 Be6 13.0–0 Qd6 14.d4 Rc8+=; C4) 9.Qb3 a5 10.a3 a4 11.Qc2 Ba5 12.cd5 b6 13.Nc3 Bb7 14.e4 f5+/–; D) 8...Kh8 D1) 9.cd5 Qd5 10.Qc2 Qh5 11.0–0 Bg4 12.Be4 Nbc6 13.a3 Ba5 14.h3 Be6=; D2) 9.0–0 Bg4 (9...Nbc6 10.a3 Ba5 11.cd5 Qd5 12.Qc2 Bg4 13.Be4 Qe6 14.h3 Bf5=) 10.h3 Bh5 11.a3 Ba5 12.Nc3 Nbc6 13.cd5 Nd5 14.Be2 Bc7=; D3) 9.Qc2 dc4 10.Qc4 Nbc6 11.a3 Ba5 12.Qc2 f5 13.0–0 Be6 14.Bc4 Bc4=; D4) 9.a3 Ba5 10.cd5 Qd5 11.Qc2 Qh5 12.0–0 Bg4 13.Be4 Nbc6 14.h3 Be6=.

7.c4 c5 8.cd5 Qd5 (8...Nd5 A) 9.Qc2 b6 (9...Qd6 10.Bd3 h6 11.a3 Ba5 12.Nc3 Nc3 13.dc3 Nc6 14.Rd1 Qe7+=) 10.Bd3 f5 11.a3 Ba5 12.0–0 Be6 13.Bc4 Nc6 14.Rd1 a6=; B) 9.a3 Ba5 10.Qc2 b6 11.Bc4 Be6 12.0–0 Qd6 13.e4 Nf4 14.e5 Qd7+=) 9.a3 Ba5 10.Qa4 Qd8 11.Qc4 Kh8 12.Qc5 b6 (12...Be6 13.Be2 Nbc6 14.0–0 Rc8+/–) 13.Qc2 (13.Qh5 Be6 14.Be2 Nf5+/–) 13...Bb7 (13...Bf5 14.e4 Bg4+/–) 14.Be2 Nd7 15.0–0 Rc8 16.Nc3 Nc5 17.Rad1 Ne4 18.Qb3 Qd7 19.Nd4 Ng5 20.Qb5 Qh3?? (better is 20...Qd6+/–) 21.f3 (21.gh3?? Nh3) 21...Qh4 22.Qd7 Ng6 (22...Bc6 23.Qe7 Rf7+–) 23.Qb7 Nh3 (23...Rb8 24.Qa7 Ra8 25.Qd7+–) 24.gh3 Qh3 25.Ne4 1–0. Tagirov,Kajum K – Torchilo,Viktor, Ufa RUS, Kopylov Mem, 2011.

7.c4 c6 8.cd5 (8.Qb3 Na6=) 8...Qd5 (8...Nd5 9.Bc4=) 9.Nc3= Bc3 (9...Qf7 10.Qb3 Qb3 11.ab3=) 10.Bc3 (10.dc3 Qf7=) 10...Na6 (10...Be6 11.Qc2=) 11.Qc1 (better is 11.Ba6 ba6 12.Qb3+=) 11...Nc5?? (better is 11...b5=) 12.Bb4+– Nd3 13.Bd3 Qd3 14.Be7 Re8 15.Ba3 (15.Qa3 Qg6 16.Rg1 Be6+–) 15...f5 (15...Bg4 16.Qc3 Rad8 17.Rc1+–) 16.Ng5 (16.Qc3 Qc3 17.dc3 Be6+–) 16...f4 (16...b6 17.Qc3 Ba6 18.Qd3 Bd3+–) 17.Bc5?? (better is 17.Qb1 Qa3 18.Qh7 Kf8 19.Qh8 Ke7 20.Qg7 Kd8 21.Qd4 Bd7 22.Qf4+–) 17...b6+= 18.Bd4 (18.Qb1!? Qb1 19.Rb1+=) 18...Qd4= 19.Qc2?? (better is 19.0–0 Qd5 20.ef4+=) 19...Qa1–+ 20.Ke2 Qh1 21.Qc4 Kf8 (better is 21...Be6! 22.Ne6 Kh8 23.Qc6 Qh2–+) 22.Qf7 1–0. guest206 – guest389, ICC, 1999.

7.c4 Nbc6 8.a3 Ba5 9.Bd3 =.

7.c4 Bg4 8.Na3 (8.Qb3!? Na6 9.cd5+=) 8...Nbc6 9.Be2 Bf3 10.Bf3 d4 (10...Ne5!? 11.Be5 fe5+= (worse is 11...Ba3 12.Bg3+/–)) 11.0–0+= d3 12.Nb5 Ne5 (12...Bc5 13.Qb3=) 13.Bb7+= Rb8 14.Be4 Nc4?? (better is 14...a6 15.Nd4 Rf7+/– (15...Nc4?? 16.Qb3+–)) 15.Qb3+– Bd2 16.Qc4 Kh8 17.Ba3 (17.Qd3?! f5 18.a4 fe4+/–) 17...Re8 (17...Qd7 18.Na7 (18.Nc7?! Rbc8+–; worse is 18.Qd3 Qd3 19.Bd3 Rfd8+–; worse is 18.Bd3 Rfd8 19.Be7 Qd3 20.Qd3 Rd3 21.Na7 Kg8+–) 18...f5 19.Bc6 Nc6 20.Nc6+–) 18.Na7 (18.Nc7?! Rc8 19.Bh7 Rc7+–; worse is 18.Qd3 Qd3 19.Bd3 Rb7+–) 18...c5 (18...Ba5 19.Bd3 Ra8 20.Nb5+–) 19.Bc5 Qc7 20.Nb5 Qe5 21.Nd6 Rf8 22.Rab1 Rbd8 23.Qd3 (23.Rfd1 f5 24.Bd3 Be3 25.fe3 Rd6 26.Bd6 Qd6+–) 23...Ba5 24.Qa3 (better is 24.Qd4!? Qe6 25.Bc2 f5+–) 24...Bc7 25.Rfd1 (better is 25.Rbd1 Bd6 26.Rd6+–) 25...Kg8 (25...Bd6 26.Bd6 (26.Rd6?! Qe4 27.Rdd1 Ra8+–) 26...Rd6 27.Qd6 Qe4 28.Rb4+–) 26.g3 (better is 26.Qb3 Kh8 27.Nf7 Rf7 28.Rd8 Bd8 29.Qf7 h6 30.Be7 Qe4+–) 26...Bd6 27.Bd6 Qe4 28.Be7 Rd1 29.Rd1 Rb8 30.Rd8 Rd8 31.Bd8 Qb1 32.Kg2 Qe4 33.Kh3 Qf5= 34.Kg2 Qe4 35.Kf1 Qb1 36.Ke2 Qc2 37.Ke1 Qe4 38.Qb3 Kf8 39.a4 Qh1 40.Kd2 Qf3 41.Qb4 Kf7 42.Qe7 Kg6 43.Qe8 Kh6 44.Qb5 Qf2 45.Qe2 Qf5 46.a5 Qd5 47.Qd3 Qa2 48.Qc2 Qd5 49.Qd3 Qa2 50.Kc3 Qa3 51.Kc4 Qa2 52.Qb3 Qe2 53.Kb4 Qd2 54.Kc5 Qd8 55.Qb6 Qe7 56.Kb5 Qd7 57.Qc6 Qd3 58.Kb6 Qe3+/– 59.Qc5 Qe6 60.Kb7 Qe4 61.Qc6 Qe7 62.Qc7 Qe4 63.Ka7 Qe3 64.Qb6 Qe7 ½–½. Procyshyn,Jeff – Sekuloff,Mike, Northern Alberta op, 2007.

7.Be2 Re8 =.

5.e3 Nbc6

6.a3 Bd6 A) 7.Nf3 a6 (7...b6 8.Nc3 Bb7 9.Bc4 Na5 10.Ba2 a6+=) 8.Nc3 Ng6 9.Bc4 b5 10.Bd5 Bb7+=; B) 7.Bc4 Ne5 8.Bb3 N7c6 9.d4 Nf7 10.Nf3 b6+=; C) 7.Qh5 g6 8.Qd1 0–0 9.Nf3 Bc5 10.d4 Bb6+=; D) 7.f4 0–0 8.Qh5 g6 9.Qf3 Bc5 10.d4 Bb6=; E) 7.Be2 Ng6 (7...Rb8 8.Nf3 0–0 9.Nc3 Bc5 10.d4 Bb6+=; 7...a6 8.Bh5 g6 9.Be2 0–0 10.Nf3 b5+=; 7...b6 8.Bh5 Ng6 9.Nf3 Bb7 10.Nh4 Nce7+=; 7...Bc5 8.d4 Bb6 9.Nf3 d5 10.c4 Bg4+=; 7...0–0 8.Nf3 a6 9.0–0 b6 10.d4 Bb7+=) 8.Nf3 Be7 9.0–0 d5 10.c4 Be6=; F) 7.Nc3 a6 (7...0–0 8.d4 Ng6 9.Qh5 a6 10.Bc4 Kh8+/–) 8.Ne4 Be5 9.d4 f5 10.de5 fe4+=.

6.Bb5 d5 7.Bf6?? (better is 7.Nc3+=) 7...gf6–+ 8.Qh5 Ng6 9.Bc6 (9.a3 Ba5 10.Nf3 0–0–+) 9...bc6 10.Ne2. Baer,Cy (1895) – Krause,Volker, RSS4D easy–86, 2008.

6.Nf3 d5 7.a3 Bd6 8.Nc3 0–0 9.Nb5 Ne5 10.d4 Nf3 =.

6.Nf3 d5 7.Be2 0–0 8.0–0 Re8 9.d4 a6 10.c4 Be6 =.

6.Nf3 d5 7.Be2 a6 8.0–0 0–0 9.d4 Bg4 10.h3 Be6 =.

6.Nf3 d5 7.Be2 Qd7 8.0–0 Qe6 9.d4 0–0 10.a3 Ba5 11.Nbd2 Ng6 12.c4+= b6?? 13.cd5+– Qd5 14.Bc4 Qe6 15.Be6 Be6 16.Qc2 Nce7 17.e4 Rac8 18.d5 Bg4 19.h3 Bf3 20.Nf3 c6 21.Nd4 Ne5 22.dc6 N5c6 23.Nc6 Nc6 24.Rac1 Ne7 25.Qb3 Rf7 26.Rc8 Nc8 27.Bc3 h6 28.Rd1 Bc3 29.Rd8 Kh7 30.Qf7 Nd6 31.Rd6 (31…a5 32.Rd7 f5 33.Qf5 Kg8 34.Rd8) 1–0. phildo (1750) – dmarsh, net–chess.com, 2003.

6.Qh5 Kf8+= 7.a3 (7.c3 Ba5 8.Nf3 Qe8 9.Qh4 Qg6 10.Na3 d5=) 7...Ba5 8.Bd3 Qe8 9.Qf3 Ng6 10.Ne2 Nge5 =.

6.Nf3 0–0

7.a3 Ba5 8.Be2 d6 9.0–0 Bf5 10.Nc3 Re8 =.

7.c3 Ba5 8.Be2 d5 9.0–0 Ne5 10.d4 Nf3 =.

7.Nc3 d5!?= 8.a3 Bc3 9.Bc3 Nf5 10.Bb5 d4 =.

7.Nc3 Nf5 8.Bc4+= Kh8 9.Nd5 Be7 (9...d6 10.0–0 Be6+=) 10.Bd3 (10.0–0 Nd6+=) 10...Nd6 (10...d6+=) 11.c4 b6 12.0–0 a5 13.Nh4 f5 14.Ne7 Qe7= 15.Qh5 Qe6 16.g4+= Bb7 17.Nf5+/– Nf5 18.Bf5 Rf5 19.Qf5+– Qh6? 20.Qd7 (20…Rc8 21.d3+–) 1–0. pierre – leachim, internet, 2008.

7.Be2 d5 8.0–0 Bf5 9.c4 Be6 10.Qc2 dc4 =.

7.Be2 Ng6 8.c3 Bd6 9.Qb3 Kh8 10.Na3 Nce5 11.h4 c6 12.h5 Ne7 13.h6 g6 14.Nd4 Bc7 15.f4 Nf7 16.c4 Nd6 17.Bf3 Nef5 18.Ne2 Nf7 19.g4 N5h6 20.g5 Ng8 21.Qd3 Kg7 22.0–0–0 d5 23.cd5 Bf5 24.Qb3 cd5 25.Nd4 Be4?? (better is 25...Bc8+/–) 26.Ne6+– Kh8 27.Be4 Qe7 (27...de4 28.Nd8 Nd8 29.gf6+–) 28.Bg6 Qe6 (28...h6 29.Nf8 Rf8 30.Qd5 Bb6+–) 29.Rh7# 1–0. usingprogram (2010) – kazik7070, kurnik, 2012.

4.Bb2 Nh6

5.a3 Ba5 =.

5.a3 Be7 =.

5.c3 Bc5 6.Na3 0–0 7.Nc4 d5=+ 8.Ne3 d4 9.cd4= Bd4 10.Bd4 Qd4 11.Rc1 c6 12.Rc4 Qb2 13.Rc2 Qb5 14.d4 Be6 15.Qd3 Qd3–/+ 16.ed3 Na6 17.Be2 Nb4 18.Rb2=+ Na2 19.Nf3 Nc3–/+ 20.Rc2 Ne2 21.Re2 Nf5 22.Ng4? Bd7 23.Ne3 Rae8 24.0–0 g6 25.Ra1 a6 26.Nf5? Re2 27.Nh6 Kg7 28.Ng4 Bg4 29.Nh4 Rfe8 30.Kf1 Rb2 31.Re1 Ree2 32.Re2 Be2 33.Ke1 Bd3 34.f3 a5 35.h3 a4 36.g4 a3 37.g5 a2 (38.Nf5 Bf5 39.gf6 Kf6 40.d5 a1Q#) 0–1. kilmer49 – LouisFriend, Caissa's Web Live Game, 2004.

5.c3 Be7 6.e4 =.

5.Nf3 d5 6.Ba3 Ba3 7.Na3 =+.

5.Nf3 Ng4 6.h3 Nh6 7.c3 Bc5 8.g4 g5 9.Bg2 b6 10.c4 0–0 11.0–0 c6 12.Nc3 b5? 13.d4 Bb4 14.cb5 cb5 (15.Qb3 Kg7 16.Qb4 Nc6 17.Qb5 Rb8+–). ajeffries (1645) – sbderkach (1680), net–chess.com, 2006.

5.g3 0–0 6.Bg2 c6 7.Nf3 Bc5 8.0–0 d5 9.Nc3 Bf5 10.d3 Bb4 11.a3 Bc3 12.Bc3 Nd7 13.Nd4 Bg6? 14.Ne6+– Qe7 15.Nf8 Rf8 16.Bb4 c5 17.Bd2 Nb6 18.a4 d4 19.a5 Nd5 20.Bd5 Kh8 21.Bh6 gh6 22.Qd2 Kg7 23.Rfe1 b6 24.ab6 ab6 25.e4 Qc7 26.Ra6 b5 27.Rea1 Qe5 28.Re6 Qc7 29.Qa5 Qa5 30.Ra5 (30…Bf7 31.Re7+–) 1–0. algernon (2340) – miodrag (2050), net–chess.com, 2007.

4.c3 Ba5

5.e3? fe5–+ 6.Qh5 Kf8 7.Qe5 Nc6 8.Qg3 Nf6 9.Bd3 d6 10.Ne2 Ne5 11.Bc2 Nh5 (12.d4 Ng3 13.hg3 Ng4–+) 0–1. Trkn – ZVEZDA, itsyourturn.com, 2000.

5.Bf4= d5 6.e3 Ne7 7.Bd3 Nd7 8.Nf3 Nc5 9.Bc2 Bg4 10.h3 =.

5.Bf4= d5 6.e4 Ne7 7.Qh5 g6 8.Qf3 0–0 9.Bb5 c6 10.Bd3 =+.

5.Bf4= d5 6.Nf3 Ne7 7.e3 c5 8.Bb5 Bd7 9.Bd7 Qd7 10.d4 =.

5.Bg3 Ne7 6.d4 d5 7.e3 Bf5 8.Bd3 0–0 9.Nf3 Qe8 10.0–0 =.

5.Bf4= Ne7

6.Qa4 Bb6 7.e3 Nbc6 8.Nf3 g5 9.Bg3 d6 10.Bc4 =.

6.e3 0–0!? =.

6.e3 d5 7.Nf3 c5 8.Bb5 Bd7 9.Na3 Bc7 10.Bc7 =.

6.e3 Ng6 7.Qh5+= 0–0? 8.Qa5+– Nf4 9.ef4 Re8 10.Ne2 d5 11.Qb5 c6 12.Qd3 Qe7 13.Qf3 Bf5 14.d4 Nd7 15.a4 Rac8 16.Nd2 Qe6 17.a5 Bg4 18.Qd3 Re7 19.Nf3 Rce8 20.Nfg1 Bf5 21.Qf3 c5 22.Rd1 c4+/– 23.Rd2 Bg4 24.Qg3 Qf5 25.f3 Bh5 26.Qh3 Qh3 27.Nh3 Bg6 28.f5 Bf5 29.Nhf4 Be6 30.Ne6 Re6 31.Rb2 b6 32.Kd2 g5 33.Rb5 a6? 34.Rd5 (34…Nf8 35.h4+–) 1–0. mrkt – Chelly, myChess.de, 2005.

6.e4 0–0 7.Qb3 d5 8.Nf3 Re8 9.Be3 c6 10.Be2 =.

6.Nf3 Nbc6 7.e4 d5 8.Bd3 0–0 9.0–0 Bg4 10.h3 =.

4.c3 Bc5

5.d4 fe5=+ 6.dc5 Nc6 7.e4 Nf6 8.Bd3 a6 9.Nh3 d5 10.Ng5 d4 11.Bc4 dc3 12.Nc3 Qd1 13.Rd1 Rf8 14.Nd5+= Nd5 15.ed5 Nd4 16.0–0 Bf5 17.c6 0–0–0 18.cb7 Kb8? 19.Ba6 Rd5+= 20.a4 h6=+ 21.Nf3 Nf3–/+ 22.gf3 Ra5 23.Bb5 Kb7 24.Rd5=+ Kb6 25.Re5?? g6?? 26.Rc1= Rf6 27.Re8 c6 28.Be2 Ra4 29.Bd1 Ra7 30.Bc2 Bh3 31.Rb1=+ Kc5 32.Re5 Kd6–/+ 33.Re3 Raf7 34.Rd1 Kc7 35.Be4 Bf5 36.Rd2 c5 37.Rc3= Be4 38.fe4 Kc6 39.Kg2 Rf4 40.e5 Kb5 41.e6 Re7=+ 42.Rd6 Re4 43.Rb3= Kc4 44.Rbb6 g5 45.f3 Re5 46.h3 h5 47.Kg3 Re3 48.Kf2 Re5 ½–½. bvboucher (2050) – kcollins (2015), net–chess.com, 2005.

5.Bd4 Bd4=+ 6.cd4 d5 7.Nc3 Ne7 8.Qb3 Nbc6 9.e3 a6 10.Bd3 Rb8 11.Nge2 Be6 12.Na4 Na5 13.Qc3 Nac6 14.Nc5+= Bf5? 15.Bf5+/– Nf5 16.Na6! Ra8 17.Nc5 Nd6? 18.Nb7!+– Qd7 19.Nc5 Qe7 20.Nf4 Nb5 21.Nd5 Qf7 22.Qb3 Nd6 23.Ne6 Rb8 24.Nec7 Kd7 25.Qa4 Rhc8 26.Rc1 Nb5 27.0–0 Rc7 28.Nc7 Kc7 29.Rc5 (29...Kd8 30.Rc6+–) 1–0. Borrmann,Fritz – Moller,D, corr CiF, 1990.

5.Bg3 d5 =.

4.c3 fe5=+

5.cb4 d5 6.e3 Nf6=+ 7.g3 e4 8.a4 c6 9.Nc3 0–0 10.b5 Bg4 11.Qb1 Nbd7 12.d4 Qe8 13.Be2 Qf7 14.Kd2 Nb6 15.h3 Be2–+ 16.Nge2 Nh5 17.Nf4 a5 18.bc6–/+ Nc4 19.Kc2 bc6–+ 20.h4 Rab8 21.Qe1 Rb2 22.Kc1 Qb7 23.Ncd5 cd5 24.Nd5 Qd5 25.Qc3 Rfb8 (26.Rd1 Rf2–+) 0–1. Ramos Bonilla,Ibsen – Sloan,Mark, compuserve, 1995.

5.cb4 Qf6 6.e4 Nc6 7.b5 Nd4 8.Nc3 =+.

5.cb4 Qf6 6.e4 d5 7.ed5 e4 (7...Ne7!?=) 8.Nc3+= Nh6 9.Be2 (9.Rc1 0–0 10.Ne4 Qb6+/–) 9...0–0+= 10.Ne4 Qf4 11.Bf3 Ng4 12.Ne2 Qe4?? (better is 12...Qf7+/–) 13.Be4+– Nf2 14.Qc2 Nh1 15.Bh7 Kh8 16.0–0–0 Nf2 17.Re1 Na6 18.Nf4 Bf5 19.Bf5 Rf6 20.Ng6 Rg6 21.Bg6 Nb4 22.Qf5 Nfd3 23.Kb1 Ne1 24.Qh5 Kg8 25.Qh7 Kf8+– 26.Qh8 Ke7 27.Qa8 Ned3 28.Qb7 Kf6 29.Bd3 Nd3 30.Qa6 (30.Qa6 Ke5 31.Qd3+–) 1–0. Fournier,Frederic – Chalvet,Philippe, Partie Libre (Active), 1996.

5.cb4 Qf6 6.e4 g6 7.Nf3+= d6 8.Nc3 c6 9.Bc4 Nh6 10.0–0 Be6 11.Be6+= Qe6 12.Ng5 Qe7 13.h4 Nf7 14.Nf7 Qf7 15.d4 Nd7 16.d5 Rc8 17.dc6+/– Rc6 18.Nb5 Qf6 19.Na7 Rc4 20.Nb5 Ke7 21.Rc1 Rb4+= 22.Qd5 h6 23.Rfd1 g5? 24.hg5 hg5 25.Nd6 Qe6 26.Nf5 Kf6 27.Qd7 Qd7 28.Rd7 Re4 29.Ng3 Rd4 30.Rb7 g4 31.Rc6 Kg5 32.Rg7 Kh4 33.Nf5 (33...Kh5 34.Rcg6 Rd1 35.Kh2 Rh1 36.Kh1 g3 37.Rg5#) 1–0. Fuchs – Fiedler, corr SOK–87–13, 1988.

5.cb4 Nf6 6.Nc3 d5 7.e3 0–0 8.Nf3 d4 9.Ne2 (9.Na4 Qe7+=) 9...d3–/+ 10.Nc3 Nc6 (10...e4!? 11.Qb3 Kh8+=) 11.Qb3= Kh8 12.b5 Na5 (12...Nd4 13.ed4 ed4 14.Nd1 Qe7 15.Ne3 de3 16.de3=) 13.Qa3 (13.Qb4 e4 14.Ne4 (14.Qa5?! ef3 15.gf3 a6=) 14...Ne4 A) 15.Qa5? Rf3 16.Qb4 Qf6–+ (16...Nf2?! 17.gf3 Nh1 18.Bg2–/+); B) 15.Qe4+/–) 13...Nc4 14.Qb4 Be6 15.g3 (better is 15.Ng5 Bg8 16.Qb1+=) 15...Qd6?? (better is 15...a5 16.ba6 ba6+=) 16.Qd6+= cd6 17.Bd3 Rac8 18.a4 (better is 18.Ng5 Bd7 19.Rc1+=) 18...d5? (better is 18...Ng4 19.Be2 Nf2=) 19.Bc4+– Rc4 (19...dc4 20.Ne5 Rc7 21.f4+–) 20.Ne5 Rb4 21.0–0 Rb2 22.Rad1 (22.d4 Ne4 23.Ne4 de4+–) 22...d4 (22...Rc2 23.Kg2+–) 23.ed4 Rd8 24.Nf3 Bg4 25.Kg2 Bf3 26.Kf3 Rd4 27.Rfe1 (27.Ke3!? Rd8 28.h3 Re8 29.Kf4 Rb4 30.Kf3 Rd4+–) 27...Rdd2 28.Ne4 Ne4 29.Ke4 h6 30.Kf5 (better is 30.Rd2 Rd2 31.Kf3 Rd3 32.Re3+–) 30...Rf2= 31.Ke4 Rh2 32.Rd7 Rb4 33.Kf5 Rh5 34.Ke6 Ra4 35.Rb7 Rg5 36.Re3 Rb4 Exerts pressure on the isolated pawn 37.Re5 Rb5?? (better is 37...Re5 38.Ke5 Kh7+=) 38.Rbb5 Rg3 39.Ra5 a6 40.Kf7 Rg6 (40...Rf3 41.Rf5 Rd3+–) 41.Kg6 Kg8 (41...h5 42.Re8) 42.Re8 1–0. Willi_weizenkeim – Wernswig, playchess.de, 2005.

5.cb4 Nf6 6.e3 0–0 7.Nf3 Qe7 (7...e4 8.Nd4+=) 8.Qb3 Kh8 (8...d5 9.Nc3 c6 10.d4+=) 9.Be2 (9.Nc3 e4 10.Nd4 d6+=) 9...d5 (9...e4 10.Nd4+=) 10.0–0 +=. Hasler,Ulrich – Dilling,Ralf, corr SOK–88–26, 1988.

5.cb4 Nf6 6.Nf3 Nc6 7.b5= e4 8.Ng5 (8.bc6 ef3 9.cb7 Bb7 10.ef3 0–0=) 8...Na5 (8...Ne5 9.e3+=) 9.e3 (9.Qa4 b6 10.Ne4 d5+=) 9...0–0 (9...d5 10.Be2+=) 10.Nc3 (10.Qa4 c6 11.bc6 Nc6 12.Ne4 Ne4 13.Qe4 d5+=) 10...Re8 (10...d5 11.d3 Ng4 12.Nh3–/+) 11.Qc2 (better is 11.Qa4 c6 12.Nge4 Ne4 13.Ne4+=) 11...d5–/+ 12.f3 Bf5 (better is 12...h6 13.h4 hg5 14.hg5 Nh7 15.fe4 d4–+) 13.d3?? (better is 13.fe4 Be4 14.Nge4 de4 15.Be2=) 13...ed3–+ 14.Qa4 Nc4 15.Qb3 d2 16.Ke2 Re3 17.Kf2 Ng4! 18.Kg3 (18.fg4 Qg5 Discovered attack) 18...Qd6 19.Kh4 Qf4 (better is 19...Nh2 20.Nd5 Rb3 (20...Qd5?? 21.Bc4 Nf3 22.gf3 Rb3 23.Bd5 Kf8 24.ab3+–) 21.Bc4 Qh6 22.Kg3 Qg5 23.Kh2 Qh4 24.Kg1 Qc4 25.Ne7 Kf8 26.Nf5 Rb5–+) 20.Nd5+/– Rb3 21.Nf4 Rb1?? (21...Rb4 22.Nd5 A) 22...Rb5?? 23.fg4 h6 24.Bc4 (24.gf5?! hg5 25.Kg5 Rc5 26.Bc4 Rc4+–) 24...hg5 25.Kg3+–; B) 22...Nce3 23.Nb4 Nf2=) 22.Bc4+– (22.fg4?! Ne3 23.Be2 Ra1 24.Ra1 Bc2=) 22...Kf8 23.Nge6 Ke7 24.fg4 Be6 25.Ne6 Rb4 26.Nc7 g5 27.Kg5 Rg8 28.Bg8 Kd6 29.Ne8 Ke7 30.Rhf1 Re4 31.Rf7 Ke8 32.Raf1 Re1 33.Rf8 Kd7 34.R1f7 Ke6 35.Rf2 Kd7 36.R8f7 Ke8 37.Rb7 d1Q 38.Rff7 Qd8? 39.Kh6 Rh1?? 40.Ra7 Rh2–+ 41.Kg7 Qd4 42.Rf6 Qa7 43.Bf7 Ke7 44.Re6 Kd8 45.Re8 Kd7 46.Kf6 Qd4 47.Re5 Kd6 (47...Kd6 48.Bc4 Qe5 49.Kf7 Qf4 50.Kg7 Ke7 51.Bf7 Qf7 52.Kh8 Qf8#) 0–1. Tonita,Mark David – Jaro,Benjamin, Mureck AUT, 2012.

4.Bc3 a5

5.a3 Bc3 6.Nc3 Nc6 7.d4 d5 8.e3 Nge7 9.Bd3 0–0 10.Qh5 h6 11.Nf3 Bd7 12.Nd5+– Nd5? 13.Qd5 Kh8 14.Qh5 Be8 15.Qf5 g6 16.Qh3 h5 17.g4 Bd7 18.Bg6 Kg7? 19.Qh5 Rh8+= 20.Qd5 Kg6 21.Qe4 Kg7 22.Rb1 b6 23.h4 Re8 24.Qf4+/– Ne7 25.g5 Nd5 26.gf6 Nf6?? 27.Rg1+– Bg4 28.Ne5 Qd6 29.Qg5 Kf8 30.Ng4 Ng4 31.Qg4 Qa3 32.Qg7# 1–0. conanthagod – fingopingo, internet, 2007.

5.a3 Bc3 6.Nc3 Ne7 7.Nf3 0–0 8.e3 d5 9.Qb1 c6 10.Be2 Nd7 11.Nd4 f5?? 12.Ne6+– Qe8? 13.Nf8 Qf8 14.0–0 Nc5 15.d3 f4 16.Qb6 Nf5 17.d4 Nd7 18.Qc7 Nd6 19.Bg4 Nf6 20.Bc8 Rc8 21.Qa5 Nc4 22.Qb4 Qf7 23.Rfe1 f3 24.gf3 Nd2 25.Red1 Nf3–/+ 26.Kf1 Ng4 27.Ke2 Nfh2 28.Re1?? Nf2 29.Kd2? Nf3–+ 30.Ke2 Ne1 31.Ke1 Qf3 32.Kd2 Re8 33.Re1 Ng4 34.Nd1 Ne3?? 35.Ne3+/– Qf7 36.Kc1 h5 37.Qd2 Qe7 38.Qc3 g5 39.Ng2 Qf7+= 40.Re8 Qe8 41.Qe3 Qe3= 42.Ne3 Kf7 43.Kd2 Kf6 44.Ke2 g4 45.Kf2 Kg5 46.Nf1 Kf4=+ 47.a4 h4 48.Kg2 Ke4 49.Nh2=+ Kd4 50.Ng4 Kc3 51.Kf3? Kc2–+ 52.Ne3 Kd3 53.Nf5 h3 54.Kg3 Kc4 55.Nd6 Kb4 56.Nb7 Ka4 57.Kh3 Kb4 58.Kg2 d4 59.Nd6?? c5?? 60.Kf2 c4= 61.Nf5 d3 62.Ke3 Kc3 63.Nd4 d2 64.Ke2 d1Q 65.Kd1 Kd4 66.Kd2 Kc5 67.Kc2 Kc6 68.Kc1 Kb5 69.Kc2 Kb4 70.Kb2 c3 71.Kc1 Kc4 72.Kc2 Kb4 73.Kc1 Kb3 ½–½. Skean Du – dixi82, ChessWorld.net, 2007.

5.e4 Qe7 6.Qh5 Kd8 7.Qd5 c6 8.Qd4 d5 9.Bd3?? Bc5–+ 10.Qa4 b5 (11.Bb5 cb5 12.Qb5 Bd7–+) 0–1. Behnke,Denny – Schulz,Hans_Juergen, TT–03.51 TSC, 2002.

5.Nf3 Nc6 6.a3 Bc3 7.Nc3 Nge7 8.e3 d5 9.Bd3 Bg4 10.Rb1 b6 11.h3 Bh5 12.g4 Bg6 13.Qe2 Bd3 14.Qd3= Qd7 15.Kf1 Ne5=+ 16.Ne5 fe5 17.Qb5 Qb5 18.Rb5 d4 19.Ne4 0–0 20.Re5+/– Ng6 21.Re6 de3 22.de3 Rad8 23.Ke2 Rfe8 24.Rd1 Rd1 25.Re8+– Kf7 26.Rc8 Rd7 27.Ng5 Kf6 28.Nh7 Kf7 29.Ng5 Kf6 30.f4 Re7 31.Nh7 Kf7 32.f5 Ne5 33.Rf8# 1–0. pierre – Charl Fourie, internet, 2008.

5.Nf3 Nc6 6.e4 d5 7.a3 Bc3 8.Nc3 de4 9.Ne4 Qe7 10.Qe2 Ne5 11.Ne5+= Qe5 12.Nc3 Qe2 13.Be2 c6 14.0–0 Bf5 15.Rfe1 Ne7 16.Rab1 0–0–0 17.Bd3 Rhe8 18.Bf5 Nf5= 19.Ne4 Re6 20.d3 Nd4–/+ 21.Rb2 f5 22.c3 Nb5 23.Kf1 fe4 24.de4 Nc3 25.f3 Rd1 26.Rc2 Re1 27.Ke1 Nd5 28.Kd2 Ne7 29.a4 Kd7 30.g3 b5 31.ab5 cb5 32.Rc5 Rb6 33.Kc3 Kd6 34.Rg5 b4 35.Kb2 g6 36.Ra5 Nc6 37.Rd5 Ke6 38.h4 Ne5 39.f4 Nc4 40.Kb3 Ne3 41.Re5 Kf6 42.h5 h6 43.Rc5 Ng4 44.hg6 Kg6–+ 45.Rd5 Nf2 46.e5 Kf5 47.Rd6 Rd6 48.ed6 Ne4 49.d7 Nc5 50.Kb4 Nd7 51.Kc4 Nf6 52.Kc5 Ne4 53.Kd4 Ng3 54.Ke3 Kg4 55.Kf2 h5 56.Kg2 h4 57.Kh2 h3 58.f5 Nf5 59.Kg1 Kg3 60.Kh1 Ne3 61.Kg1 Ng4 62.Kh1 Nf2 63.Kg1 h2 64.Kf1 h1R 65.Ke2–+ Rd1 66.Ke3 Rd3 67.Ke2 Kg2 68.Ke1 Kf3 (69.Kf1 Rd1#) 0–1. Istvanny (1645) – Charlemagne, internet, 2007.

4.Bc3 Bc3

5.Nc3 c5 6.Nd5 b5 7.e4 Ba6 8.Be2 Ne7= 9.Nf3 Nd5 10.ed5 0–0 11.0–0 Re8 12.d4 Qe7 13.Re1 Qf8 14.a4 ba4 15.Ra4 Be2 16.Re2 Re2 17.Qe2 a5 18.Qb5 cd4 19.Ra5 Ra5 20.Qa5 Kf7 21.Nd4 Qh8 22.Qa3 Qe8+/– 23.Nf3 h5 24.c4 Qc8 25.Nd2 Na6 26.f4 Nc5 27.f5 Qf8 28.Qe3+– Qc8 29.Nb3 Nb3+= 30.Qb3 Qc7 31.g3 Qc5 32.Kg2 Qa7 33.Qb2 Qe3+/– 34.Qf2 Qe4= 35.Qf3 Qc4 36.d6 Qa2 37.Qf2 Qf2 38.Kf2 g6 39.fg6 Kg6 40.Ke3? Kf5–+ 41.Kd4 Ke6 42.Kc5 Ke5 43.h4 Ke4 44.Kc4 Kf3?? 45.g4?? Kg4–+ 46.Kb5 Kh4 47.Kb6 Kg5 48.Kc7–/+ h4 49.Kd7 h3 50.Ke6 h2 51.d7 h1Q 52.d8Q Qe1 53.Kd6?? Qd2–+ 54.Ke7 Qd8 (55.Kd8 f5–+) 0–1. Larmee – Usurpator, Leiden, 1987.

5.Nc3 c6 6.e3 d5 7.g3 Be6 8.Bg2 Ne7 9.Nge2 Nd7 10.d4 (10.Nd4 Bf7=). tanto (1715) – furballs (1700), net–chess.com, 2002.

5.Nc3 d6 6.e4 Be6 7.Qh5 Ke7 A) 8.Nf3 Qd7 (8...Nd7 9.Nd4 Bf7 10.Qg4 Kf8 11.Be2 Nh6 12.Qf4 Qe7 13.Rb1 Nc5+=; 8...Nc6 9.Rb1 Rb8 10.Bb5 Ne5 11.Nd4 Bf7 12.Nf5 Kf8 13.Qh3 a6+=; 8...c6 9.Nd4 Qd7 10.Be2 b5 11.0–0 b4 12.Na4 Nh6 13.Ne6 Qe6+/–; 8...Qc8 9.Be2 Kd8 10.0–0 Ne7 11.Rfe1 Nbc6 12.Rab1 Ne5 13.Nd4 Bf7+=; 8...Nh6 9.Nd4 Bg4 10.Qb5 Bc8 11.Be2 Re8 12.0–0 Kf8 13.Rfe1 Nd7+=) 9.Be2 Nc6 10.0–0 g5 11.Ne1 Ne5 12.Nd3 Bf7 13.Nd5 Kd8=; B) 8.Nd5 Kf8 (8...Bd5 9.Qd5 c6 10.Qb3 Qb6 11.Qg3 g6 12.Qc3 Qc5 13.Qb3 Qb6+=) 9.Nf4 Bf7 10.Qb5 b6 11.d4 a6 12.Qf5 Ne7 13.Ne6 Be6+=; C) 8.Rb1 b6 (8...g6 9.Qd1 Qc8 10.Nge2 Nd7 11.d4 Nb6 12.d5 Bd7 13.Nd4 f5+/–; 8...Qc8 9.Nf3 Bg4 10.Nd5 Kf8 11.Qh4 Bf3 12.gf3 c6 13.Ne3 Nh6+=) 9.Nf3 Nh6 10.Be2 c6 11.Nd4 Bf7 12.Qf3 Re8 13.0–0 Kf8+=; D) 8.Be2 Nc6 (8...Nd7 9.Nf3 Ne5 10.Nd4 Bf7 11.Qh3 Qd7 12.Qg3 g6 13.f4 c5+/–; 8...g6 9.Qb5 b6 10.Nf3 a6 11.Qb2 Ke8 12.d4 Ne7 13.d5 Bg4+/–; 8...c6; 8...Qd7; 8...Qe8) 9.Nf3 Qe8 10.Qb5 Rb8 11.0–0 a6 12.Nd5 Kd8 13.Qd3 Qf7+=; E) 8.d4 Qc8 (8...c6 9.Bd3 b5 10.Nge2 Nh6 11.0–0 Qe8 12.Qh4 b4 13.Nd1 Qg6+/–; 8...Qd7 9.Rb1 Kd8 10.d5 Bf7 11.Qh3 Kc8 12.Qg3 Bg6 13.Nf3 Qe7+/–) 9.Nf3 Bg4 10.Nd5 Kf8 11.Qh4 Bf3 12.gf3 c6 13.Ne3 Qc7+=.

5.Nc3 d6 6.e4 Be6 7.Qh5 Kf8 A) 8.Nf3 Ne7 (8...c6 9.Be2 g6 10.Qh4 Kg7 11.Nd4 Qd7 12.Ne6 Qe6 13.0–0 Ne7+=; 8...Nd7 9.Rb1 Nb6 10.Nd4 Bf7 11.Qf3 c5 12.Nb3 c4 13.Nd4 Ne7+/–; 8...a6 9.Rb1 b5 10.Be2 Nc6 11.a4 ba4 12.0–0 g6 13.Qh4 Qe7+=; 8...Qc8 9.Rb1 Nc6 10.Be2 g6 11.Qb5 Nd8 12.Qd3 Kg7 13.0–0 Ne7+=; 8...Qd7 9.Be2 g6 10.Qh4 Kg7 11.0–0 Ne7 12.Rab1 c6 13.Rfe1 Re8+=) 9.Rb1 b6 10.Be2 Nbc6 11.0–0 d5 12.ed5 Nd5 13.Nd5 Qd5=; B) 8.Be2 Nc6 (8...g6 9.Qb5 b6 10.Nf3 a6 11.Qb2 Kg7 12.0–0 Ne7 13.d4 c6+=) 9.Rb1 Rb8 10.Nf3 g6 11.Qh4 Kg7 12.0–0 f5 13.Qd8 Nd8+=; C) 8.d4 g6 (8...Nc6 9.d5 Bf7 10.Qh3 Na5 11.Nf3 c6 12.Bd3 cd5 13.Nd5 Ne7+/–; 8...c6 9.Rb1 b6 10.Bd3 g6 11.Qh4 Kg7 12.Nf3 Ne7 13.0–0 Re8+=; 8...Bf7 9.Qh3 c6 10.Bd3 Ne7 11.Nge2 Ke8 12.0–0 b5 13.Rfb1 a5+/–; 8...Nh6 9.Rb1 Nc6 10.d5 Bg4 11.Qh4 Nd4 12.Rb7 Nc2 13.Kd2 Nd4+/–; 8...a6 9.Rb1 b5 10.Nge2 Bf7 11.Qf3 Ne7 12.a4 ba4 13.Na4 Ke8+=) 9.Qb5 b6 10.d5 Bd7 11.Qd3 Kg7 12.Nf3 f5 13.Qd4 Nf6+=; D) 8.Nh3 c6 (8...Qd7 9.Nf4 Bf7 10.Qf3 Nc6 11.Bb5 Re8 12.0–0 a6 13.Bc6 Qc6+/–; 8...Bf7 9.Qb5 b6 10.Bc4 c6 11.Qb3 Bc4 12.Qc4 Ne7 13.Nf4 Qc8+/–; 8...Nd7 9.Rb1 Bf7 10.Qf3 Rb8 11.Be2 Ne7 12.d4 Nc6 13.Qe3 f5+=; 8...Ne7 9.Rb1 b6 10.Nf4 Bf7 11.Qh3 Qd7 12.Qg3 Kg8 13.d4 h5+=; 8...Nc6 9.Rb1 Rb8 10.Nf4 Bf7 11.Qf3 Nge7 12.Be2 Nd4 13.Qd3 Ne2+=) 9.Rb1 b5 10.Nf4 Bf7 11.Qf3 Nd7 12.a4 ba4 13.Be2 Ne5+=; E) 8.Nge2 Ne7 (8...Qd7 9.Rb1 c6 10.Nd4 b5 11.Ne6 Qe6 12.d4 a6 13.Bd3 g6+=; 8...Bf7 9.Qf3 Nc6 10.Rb1 Rb8 11.Nf4 Nge7 12.Be2 Nd4 13.Qd3 Ne2+=; 8...Nd7 9.d4 Ne7 10.Rb1 Nb6 11.Nf4 Bf7 12.Qh3 Ke8 13.Be2 Qd7+=; 8...Nc6 9.d4 Nb4 10.Rb1 c5 11.Rb2 Bf7 12.Qf3 Qa5 13.Qg3 Rd8+=; 8...c6 9.Rb1 Bf7 10.Qf3 b5 11.d4 a5 12.a4 b4 13.Nd1 Nd7+=) 9.Rb1 b6 10.d4 Kg8 11.Nf4 Bf7 12.Qg4 Qd7 13.Qf3 Nbc6+=; F) 8.Rb1 Bf7 (8...g6 9.Qf3 Qc8 10.Nge2 Nc6 11.Nf4 Bf7 12.Bb5 Ne5 13.Qg3 c6+/–; 8...b6 9.Nge2 Bf7 10.Qf3 Ne7 11.Nf4 Nbc6 12.Ba6 Ne5 13.Qg3 c6+=) 9.Qh4 b6 10.Nf3 Ne7 11.Be2 d5 12.ed5 Nd5 13.Nd5 Qd5+=.

5.Nc3 d6 6.e4 Ne7 7.Bc4 a6 8.d4 b5 9.Bb3 a5? 10.Nb5 a4+/– 11.Bc4 c6 12.Nc3 d5 13.ed5 cd5 14.Bd5!+– Nd5 15.Qh5 g6 16.Qd5 Qe7 17.Ne4 Qb4 18.c3 (18…Qb2 19.Rd1+– (19.Qa8?! Qa1 20.Ke2 Qa2 21.Ke3 Qb3+–)) 1–0. marekt – NN, GameColony.com, 2002.

5.Nc3 d6 6.e4 Be6 7.Qh5 g6 (7...Kd7 8.Qb5 Kc8 (8...Nc6 9.Qb7 Rb8 10.Qa6 Rb6 11.Qa3 Nge7 12.Nf3 f5 13.Ng5 Qg8+/–) 9.Rb1 b6 10.Bc4 Bc4 11.Qc4 Ne7 12.Nf3 Qg8 13.Qb5 a6+=) 8.Qb5 Nd7 (8...Nc6 9.Qb7 Nge7 10.Bb5 Bd7 11.Rb1 a5 12.Bc6 Nc6 13.Qb2 Rb8+/–) 9.Qb7 (9.Nf3 A) 9...Ne7 10.Nd4 Bf7+/– (10...Bg4 11.Qb7 Nc5 12.Qb2 Bd7 13.Rb1 h6+/–) 11.Qb7 Nc5 12.Qb5 Qd7 13.Bc4 c6+/–; B) 9...Rb8 10.Nd4 Bf7 11.Bc4 Bc4 12.Qc4 c6 13.0–0 Nc5+=) 9...Nc5 10.Qb5 (10.Qb2 c6 11.Rb1 Nd7 12.Qa3 Nb6 13.Nf3 Ne7+/–) 10...Qd7 (better is 10...Bd7!? 11.Qe2 Rb8 (11...Ne7+/– 12.d4 Ne6 13.d5 Nc5+/–) 12.Nf3 Ne7 13.d4 Ne6+/–) 11.d4+– (11.Qd7 Nd7 12.d4 c6 13.Rb1 Ne7+/–) 11...Ne4? (11...Qb5 12.Nb5 Na6+– 13.Nd6 cd6+–; 11...c6 12.Qb1 Nb7 13.d5 Rb8+–) 12.Ne4 f5 (12...Qb5 13.Bb5 Kf7 14.Ne2+–) 13.Ng5 Ke7 14.N1h3 Nf6 15.Qe2 h6 16.Qe6 (16.Ne6 Qe6 17.Nf4 Qe2 18.Be2 Kf7+–) 16...Qe6 17.Ne6 Ke6 18.Nf4 Kf7 19.Bc4 d5 (19...Kg7 20.Ne6 Kh7 21.0–0+– (21.Nc7?! Rac8+–)) 20.Nd5 (worse is 20.Bd5 Nd5 21.Nd5 Rad8+–) 20...Rhe8 (20...Rae8 21.Kd1 Nd5 22.Bd5 Kf6 23.Bf3+–) 21.Kd1 Nd5 (21...Kg7 22.Nc7 Rec8 23.Ne6 Kh7 24.Bd3+–) 22.Bd5 Kg7 23.Ba8 Ra8 24.c3 a5 25.Rb1 Kf6 26.Rb7 c6 27.Rb6 Rc8 28.d5 Ke7 29.Rc6 Kd7 30.Rc8 Kc8 31.Re1 Kd7 32.c4 a4 33.c5 a3 34.d6 (34.d6 Kc6 35.Re7 h5 36.Rc7 Kb5 37.d7 h4 38.d8Q Kc4 39.Kc2 Kb4 40.Qd4 Kb5 41.Kb3 f4 42.Qa4#) 1–0. Buczinski,Henryk (2200) – Reed,James A (2000), VWC4pg26, 2011.

5.Nc3 Nc6

6.d4 d5 7.e3 Bf5 (7...Nge7 8.Rb1+=) 8.Bb5 (8.Rb1 Na5+/–) 8...Nge7 9.Nge2 0–0 10.0–0 a6 (10...Qd7 11.Ng3+=) 11.Ba4 (11.Bc6 Nc6 12.Ng3 Bg6+=) 11...b5 12.Bb3+= b4 13.Na4 a5 14.Ng3 Bg6 15.Nc5 Qc8 16.Qf3+/– Nd8 17.e4 c6 18.c4 de4 19.Nge4 Nb7 20.Na4 Be4 21.Qe4+/– Kh8?? 22.Qe7+– Re8 23.Qf7 Nd6 24.Qh5 Ne4 25.Nb6 Qd8 26.Na8 Qa8 27.Rfe1 Qd8 28.Bc2 Qd4 29.Qe8# 1–0. sergeiv – sociale63, internet, 2006.

6.e3 d5 7.Qh5+/– g6 8.Qd5 Nge7 9.Qd8 Nd8 10.Nf3 Bg4 11.Be2 Ne6 12.Ne4 f5 (better is 12...Rf8!?+/–) 13.Nf6+– Kf7 (13...Kf8 14.Ng4 fg4 15.Ne5+–) 14.Ng4 fg4 15.Ne5 Kf6 16.Ng4 Kg7 17.Rb1 b6 18.Bc4 Nc5 19.d4 Ne4 20.a3 c6 21.Bd3 Nc3 22.Rb3 Na4 23.Ne5 c5 (23...Kf6 24.Be4 Nc5 25.Ng4 (< 25.dc5 Ke5 26.Bd3 b5+–) 25...Kg5 26.dc5 Kg4 27.cb6 ab6 28.Rb6 Ra3 29.Ke2+–) 24.Bb5 cd4 25.Ba4 de3 26.fe3 Nd5 (26...Rhf8 27.Rd3+–) 27.Bc6 Rad8 28.Rf1 Rhf8 (28...Nf6 29.Rf4 Rc8 30.Rd3+–) 29.Rf8 Rf8 30.Ng6! hg6 (30...Kg6 31.Bd5) 31.Bd5 Kh6 32.e4 Kg5 33.e5 Kf4 (33...Rh8 34.Re3+–) 34.Rf3 Ke5 35.Rf8 Kd5 36.Rf6 b5 (36...g5 37.Rf5 Ke6 38.Rg5+–) 37.Rg6 a5 (37...Kd4 38.h4 b4 39.ab4+–) 38.Rg5 Kc4 39.Rb5! Kb5 40.h4 Ka4 41.Kd2 Ka3 42.Kc3 a4 43.h5 Ka2 44.h6 Ka1 45.h7 a3 (45...Ka2 46.h8Q a3 47.Qb8 Ka1 48.Qb3 a2 49.Qb2) 46.h8Q Ka2 (46...Kb1 47.Qb8 Ka2 48.Qb3 Ka1 49.Qa3 Kb1 50.Qb2) 47.Qb8 Ka1 48.g3 (48.Qb3 a2 49.Qb2) 48...Ka2 49.Qb3 Ka1 50.Qa3 (50...Kb1 51.Qb2) 1–0. b4_player (2200) – NN, GameColony.com, 2002.

6.e3 d6 7.d4 Bd7 8.Rb1 b6 9.Bc4 (9...Nge7 10.Qh5 g6 11.Qf3+=). Schlapp12 – gash, ChessWorld.net, 2005.

6.e3 Nge7 7.d4 d5 8.Nf3 0–0 9.Bd3 Nb4 10.0–0 Nd3 11.Qd3 Bf5 12.Qd2 (12.e4 de4 13.Ne4 Re8=) 12...Bg4 13.Qe2 Qe8 14.h3 Bh5 15.Rab1 Qc6 16.Nb5 (16.Rb3!?=) 16...a6+= 17.Na3 Rfe8 18.g4 Bg6 19.Nh4 f5 (19...Bf7!?–/+) 20.Ng6= Qg6 (20...hg6 21.c4=) 21.Rb7 fg4 22.Qg4 Qd6 23.Rb3 Rab8 (23...Rf8 24.Qg3 Qc6 25.Kh1=) 24.Rb8 (24.Rfb1!? Rb3 25.Rb3+=) 24...Rb8= 25.Nb1 Rb2 26.Kh1? (better is 26.Rc1!?=) 26...Rc2–/+ 27.Rg1 (27.Kg1 c6–/+) 27...Qg6 (27...Qf6 28.Rg2–+) 28.Qg6–/+ Ng6 29.f4? (better is 29.Kg2–/+) 29...Nh4–+ 30.Rg4 (30.Rf1–+) 30...Nf3 31.Nd2 Rd2 0–1. Mantu,Valentin – Rajchel,Arian, DVM U10, 2015.

6.e4 b6 7.d4 Bb7 (7...Nge7 8.Bc4+= Na5 9.Bd3 0–0 10.Nf3 c6 11.0–0 d6+=) 8.Bc4+= (8.Qg4 g6 9.Nf3 Nb4 10.0–0–0 Qe7 11.Bc4 0–0–0+=) 8...Qe7 (8...Nge7 9.Qg4 g6 10.Nf3 Nb4 11.0–0–0 d5+=) 9.Nge2 Na5 10.Bd3 (10.Bd5 c6 11.Bb3 Nh6+= (11...Ba6+=); 10.Bg8 Rg8 11.0–0 Nc4+=) 10...0–0–0 (10...f5!? 11.Nd5 (11.f3 fe4=) 11...Bd5= (11...Qd6=)) 11.0–0+/– Nc6 12.Nd5 Qd6 13.Rb1 Nh6 14.f3 Rde8 15.c3 g6 16.Qd2 Nf7 17.Bc4 Rhf8 18.Qd3 Na5 19.Ba6 c5 20.Bb7+– Nb7 21.Qa6 Re6?? 22.Qa7 Nfd8 23.Nb6 Kc7 24.Nf4! Qb6 25.Nd5 (25…Kd6 26.Qb6 Nc6 27.Qc7#) 1–0. marus2 – Ravinglunatic, internet, 2001.

6.e4 f5 7.ef5 Qe7 8.Be2 +=.

6.Nf3 d6 7.e3 g5 (7...Nge7 8.Bc4=) 8.d4 g4 (9.d5 Nce7+=). marcosr – perkinsguitar, net–chess.com, 2005.

6.Nf3 Nge7 7.e4 =.

6.e4 d6

7.Bb5 Nge7 8.Qh5 g6 9.Qh6 Be6 10.Qg7+/– Rg8 11.Qf6 Qd7 12.Rb1 0–0–0 13.Nf3 a6 14.Ng5+– Rgf8? 15.Bc6 Rf6 16.Bb7 Kb8 17.Nh7 c5?? 18.Bc6 Kc7 19.Bd7 Kd7 20.Nf6 Kc6 21.h4 Rh8 22.h5 g5 23.h6 Ng6 24.h7 g4 25.Ncd5 Bd5 26.Nd5 a5 27.Rh6 Ne5 28.Rb6 Kd7 29.Rbd6 Kc8 30.Ra6 Kb7 31.Rhb6 Kc8 32.Ra8 Kd7 33.Ra7 Kc8 34.Rc7 Kd8 35.Rb8# 1–0. kamret (2160) – susie_l, GameColony.com, 2003.

7.Bc4 Ne5 8.Bg8+= Rg8 9.Qh5 Nf7 10.Qh7 Nh6 11.Qg6 Kf8 12.Nf3 Nf7 13.0–0 Nh6 14.Rae1 Be6 15.Nd5 Bf7 16.Qh7 c6 17.Nf4 Qc7 18.Ng6 Bg6 19.Qg6+– Re8 20.Nd4 Qf7 21.Qg3+– Rd8 22.Rb1 Rh8 23.d3 Qa2? 24.Rb7 Nf7 25.Qg4 Re8 26.Qd7 Rh6 27.Qf7 Qf7+/– 28.Rf7 Kf7 29.Nf5 (29…Ra8 30.Nh6 gh6 31.Ra1+=) 1–0. Barry49434 – Dazzer, ChessWorld.net, 2005.

7.Bc4 Nge7 8.d4 =.

7.Bc4 f5 8.Bg8 Rg8 9.Qh5 g6 10.Qh7 Be6 +=.

7.Be2 Be6 8.Rb1 Nge7 +=.

7.Be2 Be6 8.Bh5 g6 9.Be2 Nge7= 10.Nf3 0–0 11.d4 Bf7 12.0–0 a6 13.d5+/– Ne5 14.Rb1 Rb8 15.Ne5 fe5+= 16.a4 g5 17.Bh5 Ng6 18.g3 Qf6 19.Qf3 Qf3= 20.Bf3 Ne7 21.Ne2?? Bg6 22.Bg2= b6 23.f3 h5 24.h3 Kg7 25.c4 Be8=+ 26.Nc3 a5 27.Nb5 Bb5 28.cb5= Rb7 29.Rbc1 Rf7 30.Rc3 Ng8 31.Rc6 Nf6 32.f4 ef4 33.gf4 gf4 34.Rf4 Rb8 35.Rf2 Re8 36.Rf4 Ree7 37.Rc4 Ng8 38.Rf7 Kf7 39.Bf3 Nf6 40.Kg2 Kg6 41.Kf2 Kg5 42.Ke3? Nd5–+ 43.Kd4 Nf4 44.Rc2 Nh3 45.Rg2 Kf4 46.Bh5 Re4 47.Kd5 Re5 48.Kd4?? Rh5 0–1. mic (2290) – carrafurca (2200), net–chess.com, 2007.

7.Be2 f5 8.ef5 Bf5 9.Nf3 =.

5.Nc3 d5

6.d4 Nc6 7.Nf3 Bf5 8.Rb1 Rb8 9.e3 Be4 10.Ne4 de4 11.Nd2 f5 12.g4 Qd7 13.gf5 Qf5 14.Rg1 Kf8 15.Rb5+– Qf7 16.Ne4 Re8 17.Bg2 b6 18.Ng5 Qf6 19.Be4 g6? 20.Rg3 Kg7 21.Rf3 Qd6 22.Rf7 Kh6 23.Qg4 Nf6 24.Rh7! Nh7 25.Nf7 Kg7 26.Nd6 Re4 27.Ne4 Nf6 28.Nf6 Kf6 29.Qf4 Ke6 30.Qc7 Rd8 31.Qc6 Kf7 32.Qc7 Ke8 33.Re5 Kf8 34.Qd8 Kg7 35.Qe7 Kh6 36.Qf8 Kh7 37.Re7# 1–0. Bestia03g – Mustang13, computer chess game, 2001.

6.d4 Be6 7.g3 Nh6 8.f3 0–0 9.Nh3 Nf5 10.Qd2 c5 11.dc5=+ d4 12.Ne4 Ne3 13.Nd6? Nf1–+ 14.Kf1 Bh3 15.Kf2 Bc8 16.Qd4 Qe7 17.Rhe1 Nc6 18.Qb2 Rb8 19.f4 Be6 20.Qc3 a5 21.e4 Rfd8 22.e5 fe5 23.Re5? Ne5 24.Qe5 Qf6 25.Re1 Qe5 26.fe5 Kf8 27.a3 Ke7 28.Rb1 Rd7 29.Kf3 g6 30.Ke3 Bd5 31.c4 Bc6 32.Rb3 Rf8 33.Ke2 Ke6 34.Re3 Rdf7! 35.Nf7 Rf7 36.h4 Rf5 37.Kd3 Re5 0–1. lasaberon (1920) – harpia, net–chess.com, 2005.

6.e3 c6 7.Rb1 Ne7 8.Nf3 Nd7 9.Nd4 Nc5 10.Qh5 Ng6 11.Be2 Rb8?? (better is 11...Qe7+=) 12.Nc6!!+– (12...Bg4 13.Qd5 (13.Qg4?! bc6 14.0–0 0–0+/–) 13...bc6 14.Qc6 (< 14.Qc5 Rb1 15.Nb1 Be2 16.Qc6 Kf7 17.Ke2 Re8+–) 14...Bd7 15.Qc5 Rb1 16.Nb1+–) 1–0. Caissa – 300SPARTANS, Live Game Caissa's Web, 2004.

6.e3 Be6 7.Nge2 Ne7 8.Nd4 (8.Nf4 Bf7+=) 8...Bf7 9.Qg4 0–0 10.Rb1 b6 11.Be2 c5 (better is 11...Qd7!?+=) 12.Ne6+/– Be6 13.Qe6 Kh8 14.Bf3 Qd7 (14...Na6 15.Nd5 (15.Bd5? Nc7 16.Qe4 f5–+) 15...Nd5 16.Qd5+/– (16.Bd5? Nc7 17.Qf5 Nd5–+)) 15.Qd7 Nd7 16.Nd5 Nd5 17.Bd5 Rad8 18.Ke2 Ne5 19.c4 h6 (19...Rfe8 20.d3+/–) 20.Rhd1 f5 (20...Rfe8 21.a4+–) 21.d4 cd4 22.ed4 Ng4 23.h3 Nf6 24.Bf3 Ne4 25.Be4 fe4 26.Ke3 Rc8 27.Rbc1 Rfe8 28.a4 a6 29.a5 ba5 30.c5 Rb8 31.c6 Rb3 32.Ke2 e3 33.c7 Rb2 34.Ke1 ef2 35.Kf1 Rc8 36.d5 Rb7 37.d6 Kh7 38.d7 Rcc7 39.Rc7 Rc7 40.d8Q (40…Rc6 41.Qe8+–) 1–0. Trkn – guest62, ICC, 2004.

6.e3 f5 7.Qc1 Be6 (better is 7...a6!?=) 8.Qb2+/– b6 9.Nb5 c6?? (better is 9...Kf7+/–) 10.Qg7+– (10.Qg7 cb5 11.Bb5 Nd7 12.Qh8+–) 1–0. Woelfelschneider,Peter – Eife, 2009.

6.e3 Bf5 7.d4 Ne7= 8.Bb5 c6 9.Bd3 0–0 10.Nf3 Nd7 11.0–0 Bd3 12.Qd3 a6 13.Ne2 b5 14.Nf4 Re8 15.Rfe1 Nf8 16.e4 Nfg6 17.Ne6 Qd6 18.Nc5 Nf4 19.Qb3 Neg6 20.ed5 cd5 21.g3 Ne6 22.Ne6= Re6 23.Re6 Qe6 24.Re1 Qf5 25.Kg2 Rc8 26.Re2 h6 27.h3 Rc4 28.Qa3 Rc6 29.Qc1 Rc3=+ 30.Ne1 Rc4 31.Qe3= Kh7 32.c3 Rc8 33.f4 Qe4 34.Qe4+/– de4 35.Re4 ½–½. wlittle (2155) – farzin (2160), net–chess.com, 2004.

6.e4 de4 7.Ne4 Qe7 8.Qh5 g6 9.Qe2 Nc6 10.Nf3 Bg4–/+ 11.Qe3 0–0–0 12.0–0–0=+ Nh6 13.Nc5 Rhe8–/+ 14.Bb5 Bf3 15.gf3 Qe5 16.Qe5 Re5 17.Bc6 Rc5 18.Ba4 Rf5 19.Bb3 Rf3–+ 20.Be6 Kb8 21.Rhf1 f5 22.h3 c6 23.Rfe1 Rd6 24.Bc4 b5 25.Re8 Kc7 26.Be6 Rh3 (27.Re7 Kb6–+) 0–1. Reyes,ME – Rohde,Friedhelm, corr 3GMM½–04, 1999.

6.e4 de4 7.Ne4 Ne7 8.Qg4?? 0–0 9.Bc4= Kh8 10.Qh5?? Nbc6 11.Nf3=+ Bf5 12.d3= a6 13.g4 Be4–/+ 14.de4 b5 15.Rd1= Qe8 16.Qc5?? Rd8?? 17.0–0?? Rd1 18.Rd1 Qc8 19.g5?? Qg4 20.Kf1 Qf3 21.Rd3 Qe4 22.gf6 Qh1 23.Ke2 Rf6 24.Rd8?? Nd8–+ 25.Qe7 h6 26.Qd8 Kh7= 27.Bd3 Rg6 28.Qc7 h5?? 29.Qg3+– Qc6 30.Qh4?? Qe6 31.Be4?? Qc4 32.Ke3 Qc3 33.Bd3? Kh6–+ 34.Qe4? Rf6?? 35.Qh7 Kg5 36.Qg7 Kh4 37.Qg3 1–0. pauldopson – minn (2000), net–chess.com, 2003.

6.e4 Ne7 7.Nd5 Nd5 8.Qh5 g6 9.Qd5 c6 10.Qd8+– Kd8 11.Bc4 Ke7 12.d4+– Be6 13.Be6 Ke6 14.Nf3 Nd7 15.0–0–0 Kf7 16.Rhe1 Rhe8 17.Rd3 h6 18.Rb3 b6 19.Kb1 Re6 20.Ree3 Rae8 21.Nd2 Nf8 22.Ra3 R8e7 23.Rad3 Rd6 24.Nc4 Rd8 25.e5 f5 26.Nd6 Kg7 27.Rd1 Ne6 28.Rc3 Rc7 29.h4 h5 30.Ra3 Nf4 31.Rf3 Ne6 32.Ra3?? Nf4 33.Rf3?? Ne6= 34.Ra3?? (34.c4 Rf8+–) ½–½. Caissa (1995) – SpecialDelivery, Live Game Caissa's Web, 2006.

6.g3 Ne7 7.Bg2 c6 8.e3 0–0 9.Nge2 Nf5 10.d4 b6 11.0–0 Ba6 12.Re1 Be2 13.Ne2 c5?? 14.Nf4+– Re8 15.Qd3 g6 16.Bd5 Kf8 17.Ba8 1–0. tanto – pawnstar, net–chess.com, 2002.

6.e3 Ne7

7.d4 0–0 8.Bd3 Na6 9.Ba6 ba6 10.Na4 (10.Nge2 Rb8+=) 10...Qe8= 11.Nc5 Qg6 12.Kf1 Rb8 13.Ne2 Rb2 14.Nd3 Rb6 15.h4 Nf5 (15...Bf5 16.Nef4 Qh6 17.Qh5 Qh5 18.Nh5 Bd3 19.cd3=) 16.Nc3 White intends h5 16...c6 (16...Qf7 17.Qf3 Rd6 18.h5+=) 17.Na4+= Rb5 18.Nac5 Rb6 19.h5 Qg5 20.Qe1 Re8 21.Qc3 Nd6 22.h6 gh6 (22...g6 23.Nb4=) 23.a4+= h5 (23...Nc4!?+=) 24.a5+/– Rb8 25.Rh2 (25.Nb4!?+/–) 25...h4 26.Nb3 (26.Nb4 Nb5 27.Qb2 Nd6+=) 26...Nc4 27.Nd2 Nd2 28.Qd2 Bf5 29.Qc3 Rec8 30.Nb4 Rb7 31.Na6 (31.Nc6? Rbc7 32.Qb3 Rc6 33.Qd5 Kh8–+) 31...Rg7 32.Ke2 Be4 33.Rg1 f5 34.g3 Qh5 35.Ke1 Qf7 36.Nc5 hg3 37.fg3 Rg6 38.Kd2 Qc7 Attacks the isolani on g3 39.Rh3 h6 40.a6 Re8 41.Rb1 Rg3 42.Rg3 (42.Rb7 Rg2 43.Ke1 Rb8=) 42...Qg3+= 43.Rb7 f4 (43...Bf3 44.Nd7 (worse is 44.Ra7 Qg1 45.Qb3 Qd1 46.Kc3 Re3 47.Nd3 Qa1 48.Qb2 Qe1 49.Kb3 Be2 50.Ra8 Kh7–+) 44...Qf2 45.Kc1 Qe3 46.Qe3 Re3 47.Ra7+=) 44.ef4 (worse is 44.Ne4 Re4 (44...de4 45.Kc1 Qe3 46.Qe3 fe3 47.Ra7+=) 45.Kc1 Qe3 46.Qe3 fe3–+) 44...Qf4 45.Qe3 Qh2 46.Qe2 Qf4 47.Kc3 Bg6 48.Re7 Re7 49.Qe7 Qf7 50.Qd6 h5 51.Nd7 (51.Qc6 Kg7+=) 51...Qf5= 52.Kb4 Kg7 53.Ne5 (53.Qc6? Be8–+) 53...Qc2 54.Qe7 Kh6 55.Qa7 Bd3 56.Qa8 (56.Nf7 Kg6 57.Ne5 Kh6 58.Nf7 Kg6 59.Ne5 Kh6=) 56...Qb2 (56...c5 57.Ka5 Qa2 58.Kb6 Qa6 59.Qa6 Ba6 60.dc5=) 57.Kc5= Qb5 58.Kd6 Increases the pressure on the backward pawn 58...Qa6 59.Qf8 Kg5 60.Nf3 Kg4 61.Ne5 Kg5 62.Nf3 Kg4 63.Ne5 Kg5 ½–½. Gull 3 64_bit 4CPU – Stockfish 6 64_bit 4CPU, CCRL, 2015.

7.d4 a6 8.a4 Nbc6 9.Bd3 Bf5 10.Bf5 Nf5 11.Qg4 (better is 11.Rb1+=) 11...0–0?? (better is 11...Qd7=) 12.Qf5+– Nb4 13.Kd2 c5 14.a5 (14.dc5?! d4 15.Nce2 de3 16.Ke1 Qc8 17.Qc8 Rfc8+–) 14...cd4 15.ed4 Rc8 16.Nge2 Rc4 17.Rhb1 Qd6 (17...Rf7 18.Ra4 Nc6 19.Rc4 dc4 20.Qd5 Qa5 21.Qa5 Na5 22.Ra1+–) 18.Ra4 (18.Rb4 Rb4 19.Qd5 Qd5 20.Nd5 Rb5+–) 18...b5 (18...Re8+–) 19.ab6! Qb6 20.Nd5 (better is 20.Rbb4 Rb4 21.Nd5+–) 20...Qd6 (20...Rd4 21.Nd4 Qd4 22.Kc1 Nd3 23.cd3 Qa4+–) 21.Nb4 Rb8 (21...Kh8 22.Qd3 Rcc8 23.Qg3+–) 22.Ra6 Qd8 (22...Qf8 23.Qe6 Qf7 24.Nd5+–) 23.Qe6 (23.Qe6 Kh8 24.Qc4+–) 1–0. Baer,Cy (1895) – Luebbe,Hermann (1870), remoteschach.de, 2007.

7.Nge2 0–0 8.Nf4 d4 9.Ne4 Nbc6 10.Bc4 Kh8 11.0–0 b6 12.Bb3 a5 13.c3 d3 14.a4 Ne5 15.Ne6 Be6 16.Be6 Qe8 17.f4 Qc6 18.fe5 Qe6 19.ef6 Qe4 20.fe7 Qe7 21.Qg4 Rad8 22.h3 (22.Rf8 Rf8 23.Rf1 Rf1 24.Kf1 Qf6 25.Qf3 Kg8=) 22...h6 23.Rf8 Rf8 24.Qd4 Qd8 25.Qd8 Rd8 26.Rf1 Kh7 27.Rf7 b5 (27...c5!?=) 28.ab5+/– Rd5 29.e4 (29.c4 Rc5 30.Rf4 a4+/–) 29...Rb5+= 30.Kf2 Rb7 31.Ke3 a4 32.Rf1 Kg6 33.Ra1 Ra7 34.Kd3 Kg5 35.g3 (35.Kc4 Kf4 36.d3 a3+/–) 35...Kf6 (35...h5!? 36.Ke3 h4+/–) 36.Kc4+– Ke5 37.Re1 Kd6 38.d4 g5 (38...Ke7 39.Ra1+–) 39.g4 (39.Ra1 h5+–) 39...Ra6 (39...Ra5 40.Re2+–) 40.Re2 Ke7 41.Ra2 (41.e5 Ra8+–) 41...a3 (41...Rf6 42.Ra4 Rf3 43.Ra7+–) 42.Kb4 Rf6 (42...Rb6 43.Ka3 Rb1 44.Re2+–) 43.Ra3 (43.Ka3?! Rf3 44.Kb4 Rh3+–) 43...h5 44.gh5 Rf4 (44...Rh6 45.c4+–) 45.e5 (45.Ra5 Kd7+–) 45...Rh4 46.Ra7 Kd8 47.Kc5 Rh5 48.d5 Rh3 49.c4 Rh4 (49...Rc3 50.Ra8 Ke7 51.e6+–) 50.d6 cd6 51.ed6 Ke8 52.Kd5 Rh2 (52...g4 53.c5 Rh5 54.Kc6+–) 53.c5 Rh1 1–0. Stockfish 6 64_bit 4CPU – Gull 3 64_bit 4CPU, CCRL, 2015.

7.Nh3 0–0 8.Nf4 b6 (8...c6 9.Bd3= Qd6 10.0–0 b5 11.Qh5 g6=; 8...Nbc6 9.Rb1 d4 10.Ne4 Na5 11.Qh5 Bf5+=) 9.Be2 (9.Qh5 c6= (9...g5 10.Bd3 Rf7 11.Nh3 Nbc6=) 10.Bd3 g6 11.Qf3 Nd7=; 9.Bd3 g5 10.Qh5 Rf7 11.Nh3 Nbc6=) 9...Nbc6 (9...c6 10.0–0 (10.Bd3= Qd6 11.0–0 Ba6=) 10...Bf5 11.a4 Qd6=; 9...Bf5 10.Rb1 c6 11.0–0 Qd6=) 10.Bf3+= Ne5 11.Nfd5 Nf3 12.Qf3 Nd5 13.Nd5 c6 14.Nc3 Bb7 15.d4 Rb8 16.0–0+/– c5 17.d5 Qd6 18.e4 Ba6 19.Rfd1 Rbd8 20.Rab1 Qe5 21.Qe3 Rfe8 22.f4 Qc7 23.a3 Bc4 24.g3 a5 25.Qf3 Ba6 26.Rb2 Qd6 27.Rdb1+– Rb8 28.h3 Bc4+/– 29.Qh5 Qd8 30.a4 Ba6 31.Rd1 Bb7 32.Re1 Bc6 33.Kh2 Rf8 34.Reb1 Be8 35.Qe2 Bf7? 36.Qa6 Ra8 37.Qb6 f5 38.ef5 Qe7 39.Rb3 Qe3 40.Rg1 Rae8 41.Qa5 c4 42.Rb7 Qd2? 43.Rg2 Qd4 44.f6! Re3 45.fg7 Rfe8 46.d6! Rg3 47.Kg3 Re3 48.Kg4 Be6 49.Kg5 Qg7 50.Rg7 (50...Kg7 51.Kh4 Rg3 52.Rg3 Kf7 53.Qc7 Kf6 54.Qe7 Kf5 55.Qg5#) 1–0. Rosner,Dirk – Gallati,Werner, Tiger SC, 2000.

7.Qh5 g6 8.Qh6 Nf5 9.Qf4 0–0 (9...c6!?=) 10.Nd5+/– Na6? (10...Qd5 Decoy to d5 11.Bc4 A pinning theme) 11.Nc3 (11.Ba6!? ba6 12.Nc7 Rb8 13.Qc4 Rf7 14.Na6 Bb7 15.Nb8 Bg2+–) 11...Be6 (11...Nc5 12.Bc4 Kg7 13.Nf3+/–) 12.Nf3 (12.Ba6 ba6 13.Rb1 Rb8 14.Rb8 Qb8+/–) 12...g5 (12...Nc5 13.Bc4 Re8 14.0–0+/–) 13.Qa4 (13.Qg4 Ng7 14.Qd4 Nb8+/–) 13...Nc5 14.Qb4 b6 (14...Qd6 15.Bc4 Ne3 16.Be6 Kh8 17.fe3 Nd3 18.cd3 Qb4 19.0–0+/–) 15.Bc4 Nd6 16.Be6 Ne6 17.h4 c5 18.Qa4 h6 (better is 18...Qe8!?+/–) 19.hg5+– hg5 20.0–0–0 (20.Qg4 Ng7+–) 20...b5 (20...c4 21.d4+–) 21.Qg4 Qe7? (21...Re8+–) 22.Nd5 Qf7 (22...Qd7 23.Rh6 Qe8 24.Nf6 Rf6 25.Rf6+–) 23.Qh3 Qd7 (23...Qg7 24.Qe6 Rf7 25.Qd6+–) 24.Qh8 Kf7 25.Qh5 Kg8 26.Nf6!! Rf6 27.Qh8 (27.Qh8 Kf7 28.Rh7 Ng7 29.Qg7 Ke6 30.Qd7 Kd5 31.d3 c4 32.dc4 Kc5 33.Qc7 Kb4 34.a3 Ka4 35.Qa7 Ra7 36.Ra7#) 1–0. Woelfelschneider,Peter – Yarkov, 2009.

5.Nc3 Ne7

6.e3 d5 7.d4 Bf5 8.Bd3 0–0 9.Qf3 Bd3 10.cd3 c6 11.Nge2 Nd7 12.0–0 Ng6 13.Rab1 Rb8 14.Qf5 Re8 15.Rfc1 Ndf8 16.Qh5 Qd7 17.Ng3 Qf7 18.Nf5 Re6 19.Qg4 b6 20.e4 Rd8 21.a4 de4 22.de4 Kh8 23.a5 Ne7 24.ab6 ab6 25.Rb6 Nf5 26.ef5 Re7 27.Rb4 (worse is 27.Rc6 Qe8 28.Re6 Ne6 29.fe6 Re6–/+) 27...Rde8 28.Rbb1 Qc4 29.h3 Rd7 30.Qh5 Rde7 31.Qg4 Rd7 32.Qf3 Qd4 33.Qc6 Qf4 34.Re1 Red8 35.Qe4 Rd4 36.Qf4 Rf4 37.g4 Rf3 38.Ne4 Rfd3 39.Kg2+/– R3d5 40.Rb7 Nd7 41.Rc1 Kg8 42.Rcc7 Kf8 43.f3 Ke8 44.h4 Ra8 45.Rc6 h6 46.h5 Rd1 47.Rcc7 Kd8 48.Ra7 Rb8 49.Rc2 Rd3 50.Rca2 Rbb3 51.R7a6 Rb8 52.Re6 Nf8 53.Rea6 Nd7 54.Ra7 Rc8?? 55.Kf2+– Rd1 56.Ke3 Rdc1 57.R2a6 R1c6 58.Rc6 Rc6 59.f4 Rc1 60.Kf2 Rc2 61.Kg3 Rc1 62.Ra8 Ke7 63.Ra6 Nc5 64.Ra7 Kf8 65.Nc5 Rc5 66.Kf3 Rc3 67.Kf2 Rc2 68.Kf3 ½–½. Maly,Guenther (1740) – Zimmermann,Bernd (2120), remoteschach.de, 2007.

6.e4 c6 7.Qh5 Ng6 8.Bc4 (8.Nf3 0–0+=) 8...b5 9.Bb3 a5 (9...Qe7 10.Nge2=) 10.a3 (10.Nb5!? d5 11.Nc3 de4 12.Rb1+= (worse is 12.Ne4 a4–+)) 10...Ba6 (better is 10...a4!? 11.Ba2 Ra5=) 11.d3 1–0. Berndt – PartyJokker, playchess.de, 2005.

6.e4 Nbc6 7.Qh5 g6 8.Qh6 =.

6.e4 d5 7.Qh5 (7.Nd5!? Nd5 8.Qh5 (8.ed5?! Qd5 9.Qf3 Qe6 10.Be2 Nc6=) 8...g6 9.Qd5 Qd5 10.ed5+/–) 7...g6= 8.Qf3 (better is 8.Qe2=) 8...de4 (8...d4!? 9.Nce2 Nec6=) 9.Qf6+= Rf8 10.Qe5 Bf5 11.Ne4+/– Be4 12.Qe4 c6 13.Nf3 Qd5 14.Qb4?? Qe6?? 15.Be2+/– b6 16.0–0 Qe2?? 17.Rfe1+– Qe1 18.Re1 Rf7 19.Ng5 Rg7 20.Ne6 Rf7 21.Nc7 Kf8 22.Na8 c5 23.Qb2 Nd7 24.Nc7 Nf5 25.Qh8# (25.Re8#) 1–0. Beekes,Noud – Techera,Marcos, internet, 2007.

6.e4 d6 7.Qh5 Ng6 8.Bc4 Nc6 (8...Qe7 9.f4 f5 10.0–0–0+=) 9.f4 Ke7 (9...Qe7 10.Nge2 Rb8 11.f5+–) 10.Nge2+/– Na5?? (better is 10...Qe8+/–) 11.Qa5+– Bg4 12.Nd5 Kd7 13.Rb1 b6 14.Qa4 Kc8 15.Ba6 Kb8 16.Nd4 Bd7 17.Qc6! Bc8 18.Qb6! cb6 19.Nc6# 1–0. pierre (2080) – Mustang, internet, 2006.

6.e4 0–0

7.Bc4 d5 8.Nd5+= Kh8 9.Ne2 Nd5 10.Bd5 c6 11.Bb3 Re8 12.f3 Qb6 13.d4+/– c5 14.c3 cd4 15.cd4 Qb4 16.Qd2+– Qd2 17.Kd2 a5 18.Ke3 Be6 19.Rab1 Bb3 20.Rb3 f5 21.Rb7 Nc6 22.e5 Red8 23.Rc1 Ra6 24.Nf4 Nd4 25.Rd7!! Nc2 26.Rc2 Re8 27.Nd3 Rh6 28.g3 Rb6 29.Ra7 Rb5 30.Rf7 g6 31.Rcc7 h5 32.Rh7 Kg8 33.Rcg7 Kf8 34.Rg6 Ree5 35.Ne5 Re5 36.Kf4 Re2 37.Kg5 Rb2 38.Rf6 Kg8 39.Kh6 Rh2 40.Rg7 Kh8 41.Rf8# 1–0. GLChess210 – Pierre17, computer chess game, 2000.

7.Bc4 Kh8 8.Nf3 a6 9.0–0 b5 10.Bb3 Bb7 11.Nh4 c5 12.a4 c4 13.Ba2 b4 14.Rb1 a5 15.Re1 Bc6 16.Nb5 Bb5 (16...d5 17.ed5) 17.ab5 Qb6 (17...Qc7 18.Qe2) 18.Bc4 Ra7 19.Qh5 d5 20.ed5 Qc5?? (20...g6 21.Qh6) 21.Re7 1–0. Wall,Bill – Guest162564, playchess.com, 2012.

7.Bc4 Kh8 8.Nf3 c6 9.0–0 d5 10.ed5 Nd5 11.Nd5 cd5 12.Bb3 Be6 13.d4 Nc6 14.Re1 Bg8 15.h3 Qc7 16.c3 Rfe8 17.Qd3 Rac8 18.Bc2 Nb4?? 19.Qd2 Re1 20.Re1 Qc3 21.Qc3 Rc3 22.Bb3 Rc7 23.Nh4 Nc6 24.Re8 Re7 25.Re7 Ne7–/+ 26.f4 Nc6 27.Nf3 g6 28.g4 Nb4 29.Kg2 Nd3–/+ 30.Kg3 b5 31.Nd2 a5 32.a4 b4 33.h4 Nb2 34.g5 Kg7 35.Kg4 Be6 36.Kg3 Nc4 37.Nf3 Bd7 38.Ne1? Nb6 39.Nd3 Ba4 40.Nc5 Bb3 41.Nb3 a4 42.Na1 b3 (43.Nb3 ab3–+) 0–1. Andylein1989 – Chelly, myChess.de, 2005.

7.Bc4 Kh8 8.Nf3 c6 9.Bb3 d5 10.0–0 de4 11.Ne4+= Bg4 12.Re1 Ng6 13.h3 Bf3 14.Qf3 f5 15.Nc5+/– Rf7?? 16.Bf7+– (16…Ne7 17.Ne6 Qd2 18.Rad1 Qe1 19.Re1+–) 1–0. guest – hbg, internet, 2007.

7.Bc4 Kh8 8.Nf3 Nbc6 9.0–0 Ne5 10.Ne5 fe5 11.Qh5 d6 12.Rab1 b6 13.Ne2 Bb7 14.d3 Qd7 15.f4 Nc6 16.f5 a5 17.Rf3 Rf6 18.Rh3 Rh6 19.Qg4 Rh3 20.Qh3 Rf8 21.a3 Rf6 22.c3 Qe7 23.Rf1 Qe8 24.Rf3 Ne7 25.Qg4 Qa4 26.Rg3 Qd1 27.Kf2 Ng6 28.Ke3 Bc8 29.Qg5 h6 30.Qh5 Nf8 31.Qe8 Bf5 32.ef5 Rf5 33.Qe7 g5 34.Rh3 Nh7 35.Rh6 1–0. blackdogs (2485) – chessnaif (2425), net–chess.com, 2014.

4.Bc3 Bc5

5.d4 Bd6 6.e4 c5 7.dc5+/– Bc5?? 8.Qh5+– g6 9.Qc5 Nc6 10.Bc4 d6 11.Qd5 Bg4 12.Qf7# 1–0. Woschkat,Karl_Heinz (1915) – Krahl,Wolfgang, DESC, 2002.

5.d4 Be7 6.e4 Nc6 7.Nf3 d5+= 8.Bd3 Bg4 9.0–0 Bd6 10.Nbd2 Nge7+= 11.Re1 0–0 12.Rb1 b6 13.Bb5 de4 14.Re4 Bf3 15.Qf3 a6 16.Bc6 Nc6+= 17.Rh4 Be7?? 18.Qc6+– f5 19.Qe6 (19…Kh8 20.Rh5+–; 19.Rh3 Qd6 20.Qc4 Kh8+–) 1–0. Istvanny – michas, internet, 2007.

5.e3 d5 6.Nf3 (6.d4 Be7+=) 6...Ne7 7.Be2 0–0 8.0–0 c6 9.d4 Bd6 10.Nbd2 Nd7 11.e4 Qc7 12.Bd3 c5 13.dc5 (13.Re1 c4 14.Be2 b5=) 13...Nc5 14.Bd4 Nd3 15.cd3 Nc6 16.Rc1 Qb8 17.h3 Nd4 18.Nd4 Be5 19.N2f3 de4 20.de4 Bf4 21.Qb3 Kh8 22.Rc2 Be5 23.Re1 Qd6 24.Nb5 Qb6 25.Qd3 Be6 26.Rb1 Rad8 27.Qe2 (27...Rc8 28.Ne5 fe5 29.Nc3=) =. revrevrevrev – Modge, Live Game Caissa's Web, 2004.

5.e4 Nc6?? 6.Qh5+– g6 7.Qc5 b6 8.Qe3 Bb7 9.Nf3 Nge7 10.Bf6 0–0 11.Bc4 d5 12.ed5 Rf6 13.dc6 Kh8 14.cb7 Rb8 15.Nc3 Nf5 16.Qe5 Rb7 17.Nd5 c5 18.Qf6 Qf6 19.Nf6 Re7 20.Kf1 b5 21.Bb5 Re6 22.Nd7 c4 23.Bc4 Rd6 24.Nde5 h5 25.Nf7 (25...Kg7 26.Nd6 Nd6 27.Bd5+–) 1–0. Woelfelschneider,Peter – Krahl, THT7.37, 2001.

5.e4 Qe7 6.Qh5 g6 7.Qe2 Nc6 8.Nf3 Nh6 9.d4 Bd6 10.Bd2 Nf7 11.Nc3 a6 12.Nd5 Qd8 13.Rb1 0–0 14.Qd3 b5 15.Be2 Re8 16.0–0 Ne7?? 17.Nf6+– Kf8 18.Ne8 Qe8 19.e5 Nf5 20.ed6 N7d6 21.Ba5 Ra7 22.Bb4 Kg8 23.Rfe1 Qf7 24.a4 Bb7 25.Bc5 Ra8 26.Ne5 Qd5 27.Bf3 Qa2 28.Ra1 Qc4 29.Nc4 bc4 30.Qc3 Bf3 31.Qf3 Re8 32.Re8 Ne8 33.Qd5 (33...Kg7 34.Qd7 Kh6 35.Qe8+–) 1–0. Fritz 8 – NN, 2005.

5.d4 Bb6

6.e4 Nc6 7.d5 Nce7 8.Nf3 d6 9.Be2 g5? 10.Ng5!+– Nh6? Bh5 Ng6 12.Nh7!! (12…Kf7 13.Bf6+–) 1–0. Wall,Bill – Zepplin, internet, 2000.

6.e4 d5 7.Qh5 g6 8.Qd5 Qd5 9.ed5 Ne7 10.Bc4 c5? (better is 10...Bf5=) 11.dc5+– Bc5 12.Nf3 (12.Bf6?! Rf8 13.Be7 Bf2 14.Ke2 Ke7+/–) 12...Bg4 13.Bf6 Rf8 14.Be7 Ke7 15.Nbd2 Bb4 (15...Nd7 16.0–0+–) 16.0–0 Bf3 17.Nf3 1–0. Wall,Bill – Enjuu, chess.com, 2011.

6.e4 d5 7.Qh5 g6 8.Qd5 Qd5!? 9.ed5 Bf5 +=.

6.e4 d5 7.Qh5 g6 8.Qd5 Nd7? 9.Bc4+– Ne7?? (Better is 9...Qe7+–) 10.Qf7# 1–0. b4_player (2245) – resan, GameColony.com, 2003.

6.e4 Qe7 7.Qh5 g6 8.Qe2 +=.

6.e4 Ne7

7.a4 a5 8.Qh5 g6 +=.

7.a4 c6 8.Qh5 g6 9.Qh6 Kf7 10.Nd2 d5 11.a5 Bc7 12.Bd3 Qf8 13.Qh4 Be6 14.Nh3 Bh3 15.Qh3 (15.gh3?! Qd8=) 15...Qc8 16.Qf3 Kg7 17.0–0 Nd7 18.Rfe1 Re8 19.e5 fe5 20.de5 Rf8 21.Qh3 Nf5 22.e6 Nf6 23.Bf5 gf5 24.Qf5 h6 (24...Bh2 25.Kh1 h6+–) 25.Ra4 Qd8 (25...d4 26.Rd4 Bh2 27.Kh2 Qc7 28.Kh1 h5 29.Rd7 Qd7 30.ed7 a6 31.Re7 Kh6 32.Bf6 Rf7 33.Qg5 Kh7 34.Rf7) 26.Rg4 Kh8 1–0. Broniek,Mariusz Maciej (2295) – Verich,Oleg, 35. LSS No Engine Cup Preliminary, 2011.

7.a4 d6? 8.a5+– Nbc6 9.ab6 cb6 10.Bc4 Bd7 11.Na3 Qc7 12.Nb5 Qd8 (12...Qb8 13.Qh5 g6 14.Qf3+–) 13.Nd6 (13...Kf8 14.e5+–) 1–0. marre (2140) – tobberandom (1635), GameColony.com, 2003.

7.Bc4 c6 8.d5 d6 +=.

7.Bc4 c6 8.Nf3 Bc7 (8...d5!? 9.ed5 cd5=) 9.d5+= cd5 10.ed5 Ba5 (better is 10...d6+=) 11.d6+– Bc3 12.Nc3 Nec6 (12...Qa5 13.Qd2 Qb4+–) 13.0–0 g6 (13...Qa5 14.Nd5 Kd8+–) 14.Re1 Kf8 15.Qd5 Kg7 16.Qf7 Kh6 17.Re4 g5 (17...f5 18.Rh4 Qh4 19.Nh4 Nd4+–) 18.Nh4! gh4 (18...gh4 19.Rh4 Mate attack) 19.Rh4 Kg5 20.Qh5# 1–0. Wall,Bill – Vrom, chess.com, 2008.

7.Bc4 Nec6 8.Nh3 Na5 9.Ba5 Ba5 10.c3 Qe7 11.Qh5+/– g6 12.Qa5+– Qe4 13.Kf1 b6 14.Nd2 Qg2 15.Kg2 ba5 16.Rhe1 Kf8 17.Nf4 Nc6 18.Nd5 Bb7 19.Kg1 Kg7 20.Rab1 Rab8 21.Ne4 Rhf8 22.Nc5 Bc8 23.Rb8 Nb8 24.Nc7 d6 25.N5e6 (25…Be6 26.Ne6 Kg8 27.Nf8 Kf8 28.Bb5+–) 1–0. pierre – yudi, internet, 2007.

4.Bc3 Nc6

5.e3 Bc3 6.dc3 d5=+ 7.Bb5 Bd7 8.Bc6 Bc6=+ 9.Nf3 Qd6 10.Nbd2 Ne7 11.Rb1 0–0 12.Nd4 b6 13.0–0 Ba4 14.c4 (14...c5 15.N4b3=+). xyzzy – easydigital, ChessWorld.net, 2005.

5.e3 d5 6.Bb4 Nb4 7.a3 Nc6 8.d4 Nge7 9.c4 Be6 10.cd5 Bd5 11.Nc3 0–0 12.Nh3 a6 13.Nf4+= Bf7 14.Bd3 f5 15.0–0 b5 16.Qc2 g6 17.Be2 Nd5?? 18.Ncd5+– Bd5 19.Nd5 Qd5 20.Bf3 Qd6 21.Bc6 Rad8 22.a4 f4 23.ab5 ab5 24.Bb5 Rf6 25.Ra6 Qe7 26.Rf6 Qf6 27.Qc7 f3 28.Ra1 fg2 29.Ra7 Kf8 30.Qh7 (30...Rd5 31.Qh6 Kg8 32.Ra8 Kf7 33.Qf8 Ke6 34.Qc8 Kf7 35.Qg8 Ke7 36.Qe8 Kd6 37.Qd7#) 1–0. pierre – kolokwium, ChessHere.com, 2006.

5.e3 Qe7 6.a3 Bc3 7.Nc3 Qe5 8.Nb5 a6?? 9.Nf3+– Qe6 10.Nc7 Ke7 11.Ne6 de6 12.d4 e5 13.de5 fe5 14.Qd5 Nf6 15.Qc5 Kf7 16.Bc4 Kg6 17.Ne5 1–0. pcmvr – Vesuvio, ChessWorld.net, 2002.

5.e3 g6 6.Nf3 a5 7.Bb5 b6 8.0–0 Bb7 9.Re1 Nce7 10.e4+/– c6 11.Bc4 b5 12.Be2 Bc3 13.Nc3 b4 14.Na4 Ba6 15.Ba6 Ra6 16.a3 Nh6 17.d4 0–0 18.Qd2+– Nf7 19.ab4 ab4 20.Qb4 f5 21.Qc4 Ra5 22.e5 Re8 23.Nc3 d5 24.ed6 Ra1 25.Ra1 Qd6 26.Ne5 Qf6 27.Ra7 Kg7 28.f4 h6 29.g3 Nd8 30.d5 Nf7? 31.Nd7 Qd6 32.Qd4 Kg8 33.Nf6 Kf8 34.Ne8 Ke8 35.Qd3 Qc5–+ 36.Kf1 Qa7 37.dc6 Nc6 38.Nb5 Qd7 (39.h3 Qd3 40.cd3 Kd7–+) 0–1. mtrc – Caissa, internet, 2002.

5.e4 Nge7 6.Bc4 Bc3 7.Nc3 Ne5 8.Bb3 d6 9.d4 N5g6 10.Nge2 Bd7 (10...f5!?+=) 11.0–0+/– c6 12.Qd3 Qc7 13.Rab1 0–0–0 14.Bc4 Qa5 15.Bf7 f5 16.Qc4 Kb8 17.Rfe1 Bc8 18.Qb3 (18...Qc7 19.a3+/–) 1–0. marre (2090) – NN, GameColony.com, 2003.

5.Nf3 d5 6.Nd4 (6.Bb4!? Nb4 7.a3=) 6...Bc3=+ 7.dc3 Nge7 8.Nd2 0–0 9.e3 Nd4 (9...Ne5!?–/+) 10.cd4= Bf5 11.Be2 Qd6 12.0–0 b6 13.Bg4 g6 14.Bf5 Nf5 15.Nf3 c5 16.dc5 bc5 17.Qd2 Rae8 18.Rad1 Rd8 19.c3 c4 20.Nd4 Nd4 21.Qd4 Rf7 22.e4 (22.Rd2+=) 22...Qb6 (better is 22...Rfd7!?=) 23.Qb6 ab6 24.Rd5 Ra8 25.Ra1 Re7 26.f3 Kf7 27.Kf2 (better is 27.Rb5!?+/–) 27...Ra3= 28.Rd6 Rb7 29.Ke3 (29.Rc1!?=) 29...Rc3–/+ 30.Kd2 Ra3 31.Kc2 b5 32.Rc6 Ke7 33.h3 f5 34.ef5 gf5 35.Rh6 Kd8 36.Rd1 Kc8 37.Kb2 (better is 37.Kb1=+) 37...Rd3?? (37...Rba7!? 38.Rb1 c3 39.Kc1 Ra2 40.Rc6 Kd7 41.Rc3 Rg2–+) 38.Rd6 (better is 38.Rd3 cd3 39.Rc6 Kd7 40.Rc3+/–) 38...Rd6 39.Rd6 Rd7 40.Rd7 (40.Rf6!? Rd5 41.Kc3=) ½–½. Staats,Carsten – Ritschel,Stephan, RSX9E – A00 – Sokolsky–1, 2002.

5.Nf3 Nge7 6.e3 d5 7.Bb4 Nb4 8.a3 Nbc6 9.d4 0–0 10.Bd3 Bf5 11.0–0 Qd7 12.c4 Rad8 13.cd5 Qd5 14.Nc3 Qa5 15.Qb3 Kh8 16.Bf5 Qf5 17.Qb7 Qa5 18.Qb3 Rb8 19.Qc4 Nd8 20.Rfb1 Rb1 21.Rb1 Qa3 22.Nb5 Qa6 23.Qc5 Qa2 24.Nc3 Qe6 25.Qc7 Ndc6 26.Nd2 Rc8 27.Qg3 Qd7 28.Nce4 f5 29.Nc5 Qc7 30.Qg5 h6 31.Qh5 Qd6 32.Rb7 Qd5 33.Qh4 Qa2 34.Nf1 Ng6 35.Qg3 Nge7 36.Qd6 Qd5 37.Qg3 a5 38.Rd7 Qc4 39.Qd6 Re8 40.d5 Qd5 41.Qd5 Nd5 42.Rd5 Re5 43.Re5 Ne5 44.Nd2 Kg8 45.Ndb3 Nc6 46.Nd4 Ne7 47.Ndb3 Nc6 48.Kf1 Kf7 49.Ke2 Ke7 50.Kd3 Kd6 51.Nb7 1–0. phildo (1875) – rafias (1890), gameknot.com, 2013.

5.Nf3 Nh6 6.e3 Qe7 (6...0–0 7.Bb4 Nb4 8.Nc3=) 7.a3 Ba5 8.Bb5 Nf5 (8...Qc5 9.Ba5 Na5 10.Be2+=) 9.Bc6 Bc3 10.Bd7 Bd7 11.Nc3 0–0 12.0–0 Rad8 13.Nd5 Qc5 14.e4 (14.Nf4 Qe7+/–) 14...Nd4 (14...Bc6!?+=) 15.Nd4 Qd4 16.d3 (< 16.Nc7 Qe4 17.c4 Bc6=+) 16...c6 17.Ne7 Kh8 18.c3 Qc3 19.Qh5 Be8 20.Qh3 Rd3–/+ 21.Qc8 Qe5 22.Nf5 Rd7 23.Rad1 Rd1–/+ 24.Rd1 Qe4 25.Nd6 Qe7 26.Nb7 h5 27.h3 Kh7 28.Nd6 Bd7 29.Qa6 Rb8 30.Qa7+/– Rb2?? 31.Qd4 Re2 32.Qd3 Kg8 33.Nf5 Bf5 34.Qf5 Re1 35.Re1 Qe1 36.Kh2 Qe5?? 37.Qe5+– fe5 38.a4 (38...Kf7 39.a5+–) 1–0. hercules53 – johnny, Live Game Caissa's Web, 2004.

5.Bb4 Nb4

6.Nc3 d5 7.a3 Nc6 8.e3 Nge7 9.Nf3 0–0 10.Be2 b6 11.0–0 Re8 12.d4 Bg4 13.Nd2 Bf5 14.Bh5 g6 15.Bf3 a6 16.Ne2 Qd7 17.c4 dc4 18.Nc4 Nd5 19.Rc1 b5 20.Nd2+/– Be6 21.Ne4+– Kg7 22.Nc5 Qd6 23.Ne6 (23...Qe6 24.Nf4 Nf4 25.Rc6+– (< 25.ef4 Ne7 26.Ba8 Ra8+–)) 1–0. Martello,Juan – Goudreau, corr 3GMM–38, 1996.

6.Nc3 Ne7 7.e4 0–0 8.Rb1 Nec6 9.a3+= Na6 10.Bc4 Kh8 11.Ba6 ba6 12.d4 d6 13.Nge2 Na5 14.0–0 Bb7 15.Nf4 Qe7?? 16.Qh5+– Kg8 17.Qa5 Rab8 18.Rb7! Rb7 19.Qd5 (19…Qf7 20.Qb7+–) 1–0. smoothmovermovesagain – Steve20, ChessWorld.net, 2006.

6.d4 d5 7.a3 Nc6 8.e3 Nge7 9.c4 Be6 10.cd5 Qd5 11.Nf3 0–0 12.Nbd2 Qa5 13.Bd3 Rab8 14.0–0 Qh5 15.Qc2 f5 16.Nc4 Ng6 17.Rab1 Bd5 18.Ncd2 a6 19.Rfc1 Nge7 20.h3 Qg6 21.Bc4 Qd6 22.Bd5 Nd5 23.Nc4 Qe6 24.Nce5 Ne5 25.Ne5 Rfd8 26.Rb3 Rd6 27.f3 c6 28.Qb2 b5 29.e4 Ne7 30.Re3 Rbd8 31.Rd1 c5= 32.d5 Qf6 33.Nd3 Qb2 34.Nb2 f4 35.Rc3 c4 36.g3 Ng6 37.Kf2 Kf7 38.Rd2 Ke7 39.h4 fg3 40.Kg3 Rf8 41.h5 Nf4 42.Kf2 Nh5 43.e5 Rd7 44.Ke3 Nf4 45.Ke4 g5 46.e6 Ne6 47.Rh2 Rf4 48.Ke3 Nf8 49.Nd1 Rd5 50.Nf2 Rdf5 51.Ke2 Rf7 52.Ng4 Kd6 53.Rh1 Ne6 54.Rh6 Re7 55.Re3 a5 56.Nf2 b4 57.Ne4 Kd7 58.ab4 ab4 59.Kd2 Kd8 60.Kd1 Nd4 61.Rd6 Rd7 62.Rd7 Kd7 63.Ng5 h6 64.Ne4 Rf3 65.Rf3 Nf3 66.Ke2 Nd4 67.Ke3 Nf5 68.Kf4 Nd6 69.Nd2 Ke6 70.Ke3 0–1. Fritz 5.32 – Fritz 6, 2005.

6.d4 d5 7.a3 Nc6 8.e3 Nge7 9.c4 Be6 10.cd5 Qd5 11.Nf3 0–0 12.Nbd2 Qa5 13.Bd3 Rab8 14.0–0 Qh5 15.Qc2 f5 16.Nc4 Ng6 17.Rab1 Bd5 18.Ncd2 Nge7 19.Rfc1 a6 20.h3 Qg6 21.Bc4 Qd6 22.Bd5 Nd5 23.Nc4 Qf6 24.Nce5 Ne5 25.Ne5 Rfd8 26.Qb3 Qe6 27.f3 c6 28.Rc6! bc6 29.Qb8 Qe8 30.Qa7 Ra8 31.Qb7 Ne3 32.Nc6 Nd5 33.Nb8 Nc3 34.Rb2 Na4 35.Rb3 Qe1 36.Kh2 Qe6 37.Qa8 Qd6?? 38.Kh1 h6 39.Nd7 Kh7 1–0. Fritz 5.32 – Fritz 8, 2005.

6.d4 Ne7 7.e4 d5 8.c3 Nbc6 9.Qh5 g6 10.Qf3 0–0 11.Nd2 Be6 12.Bd3 de4 13.Ne4 Bd5 14.Qh3 Nf5 15.Ne2 Re8 16.N4g3 Ng3 17.hg3 Re7 18.Kf1 b6 19.Bg6 hg6–/+ 20.Nf4 Bc4 21.Kg1 Kf7 22.Qh7 Ke8 23.Qg6 Kd7 24.d5 Re5 25.Qg4 f5 26.dc6 Kc6 27.Qf3 Bd5 28.Qd3 Be6 29.Qa6 Qd2 30.Rh6 Kd6 31.Qa4 Rd8?? 32.Ne6+/– b5?? 33.Qa6 Ke7 34.Rh7 Kf6 1–0. Fritz 5.32 – Doctor? 3.0, 2005.

6.d4 Ne7 7.e4 d5 8.c3 Nbc6 9.Qh5 g6 10.Qf3 de4 11.Qe4 Bf5= 12.Qf3 Qd6 13.Bc4 Na5 14.Nd2 Nc4 15.Nc4 Qe6 16.Ne3 0–0–0 17.h3 Be4 18.Qg4 f5 19.Qg3=+ Nd5 20.Ne2 f4 21.Nf4 Nf4 22.Qf4 Bg2 23.Rh2 Bh3 24.Rb1 Bf5 25.Rb3 Rde8 26.Ra3 Qc4 27.Qf3 Kb8 28.Rh6 Qe6 29.Rb3 Be4 30.Qe2 Qf7 31.Rb2 Bf3–+ 32.Qb5 Re7 33.Rh3 h5 34.Rg3 Re6 35.Qg5 Kc8 36.Rh3 Rc6 37.Qe5 Rf8 38.Qa5 Kb8 39.d5 Rd6–+ 40.Rh4 Re8 41.Ra4 a6 42.Kf1 Qd7 43.Rh4 g5 44.Rh2 0–1. Fritz 5.32 – Crafty 19.01, 2005.

6.e3 d5 7.a3 Nc6 8.Nf3 Nge7 9.d4 Bf5 10.Nc3 0–0 11.Be2 a6 12.Na4 b6 13.c4 Be6 14.c5 b5 15.Nc3 Rb8 16.0–0 b4 17.ab4+/– Nb4 18.Ba6 Na6 19.Ra6 Bd7 20.Qe2 Rb3 21.Qc2 Rc3 22.Qc3 Bb5 23.Rfa1 Ba6 24.Ra6 Qd7 25.Qb3 f5 26.Ne5 Qe8 27.Nc6 f4 28.Ne7 Qe7 29.Qd5 Kh8 30.e4 h6 31.Qe5 Qe5 32.de5 f3? 33.gf3 Rf3 34.Ra8 Kh7 35.e6 Rf4 36.e7 Re4 37.e8Q Re8 38.Re8 Kg6 39.Rc8 Kf6 40.Rc7 g5 41.Rd7 Ke6 42.Rd3 1–0. bolaf – mintie, ChessWorld.net, 2002.

5.e3 Nge7

6.a3 Ba5?? 7.Ba5+– Na5 8.Qh5 g6 9.Qa5 Nc6 10.Qc3 Qe7 11.Nf3 b6 12.Bc4 Bb7 13.Bd5 0–0–0 14.0–0 h5 15.d3 g5 Black plans h4 16.a4 a5 17.Re1 h4 18.e4 g4 19.Nd4 Ne5 (19...Nd4 20.Qd4 h3 21.g3+–) 20.Bb7 Kb7 21.Nd2 g3 22.f4 (better is 22.fg3!? hg3 23.h3 Nc6+–) 22...gh2 23.Kh2 (23.Kh1 h3 24.g3 Ng4+–) 23...Ng4 24.Kg1 h3 25.g3 h2 26.Kg2 Qh7 27.Rh1 Qh3 28.Kf3 Qh5 29.Kg2?? (better is 29.Rab1+–) 29...Ne3 30.Kf2 Ng4 31.Ke1 Qh3–+ 32.Nf1 Qg2 33.Nb5 Rc8 34.Rh2 Rh2 35.Qd2?? Qd2 36.Nd2 Ne3 37.Ra2 Rch8 38.Nf3 Rc2 39.Rc2–/+ Nc2 40.Kd2 Nb4 41.Kc3? Rh3 42.f5 Rg3 43.Ne1 Re3 44.Kd2 Rh3 45.d4 Nc6 46.Nd3 Nd8 47.Nf4 Rh1 48.Nd5–/+ Rh6 49.Ndc7 Nc6 50.d5 Ne5 51.Ne8 Nc4 52.Kc3= Ne5 53.Kc2 Ng4 54.Kd3 Rh3 55.Kd4 Rh1 56.Ned6+= Kb8 57.Nc4 Kb7 58.e5?? fe5 59.Ne5 Rd1 60.Kc4?? Ne5 61.Kc3 Rd5 62.Nd4 Rc5 63.Kb3 Ng4 64.Kb2 Rc4 65.Ne2 Ra4 66.Kb3 b5 67.Nc3 Rb4 68.Ka3 Nf6 69.Na2 Rf4 70.Kb2 Rf5 71.Nc3 Kc6 72.Nd1 a4 73.Ne3 Rf2 74.Kc1 a3 75.Nc2 Rc2! 76.Kc2 Kc5 77.Kb3 b4 78.Ka2 d5 79.Ka1 Kc4 80.Kb1 d4 81.Kc2 d3 82.Kb1 Kc3 83.Ka2 d2 84.Kb1 d1Q 85.Ka2 Qc2 86.Ka1 Qb2 0–1. Willi_weizenkeim – Trottur, playchess.de, 2004.

6.a3 Bc3 7.Nc3 0–0 =.

6.Qh5 g6

7.Qf3 0–0 8.Bf6 d5 9.Nh3 Bf5 10.Be7 Be7 11.Nf4 Nb4 12.Na3 g5 13.Qg3=+ Bd6 14.h4= Bc2 15.Qg5 Qg5–/+ 16.hg5 Rf4 17.Nc2?? Nc2–+ 18.Kd1 Na1 19.ef4 Re8 20.Bd3 Re7 21.f5 c6 22.f6–/+ Rc7 23.Bf5 Be5 24.Be6 Kf8 25.f4 Bb2 26.f5 Ke8 27.f7+/– Kf8 28.f6 Rf7 29.Bf7 Kf7 30.Rh7 Kg6 31.Rg7 Kf5 32.Rb7 Be5 33.Ra7 Kg5 34.f7 Bg7 35.Ra8 d4 36.f8Q Bf8 37.Rf8 d3 1–0. Crafty 19.01 – Comet B25, 2005.

7.Qf3 Bc3 8.Nc3 0–0 9.Bc4 Kg7 10.d4 a6 11.Nge2 b5 12.Bb3 Bb7 13.0–0 Na5 14.e4 b4 15.Nd5 f5 16.Nb4 Nb3 17.ab3 a5 18.Na2 fe4 19.Qg4 Nf5 20.Ng3 a4 21.Ne4 ab3 22.cb3 Ra3 23.Nc5+/– Qa8 24.Nb7 Qb7 25.Nc3 Qb3 26.Ra3 Qa3 27.Ne2 Qe7 28.Re1 Qb4 29.Rd1 Re8 30.h3 Qa4 31.Rc1 Qa3 32.Re1 Qd3 33.Kf1 Re4–/+ 34.Qf3 Qf3 35.gf3 Rh4 36.d5 Rh3 37.Rc1 Rh1 38.Ng1 c6 39.dc6 dc6 40.Rc6 Nd4 41.Rc7 Kf6 42.Kg2 Rh4 43.Rc8 Rh5 44.f4 Rb5 45.Rf8 Kg7 46.Rd8 Rb4 47.Rd7 Kh6 48.Nh3 Ne6 49.Kf3 Ra4 50.Kg4 Nc5 51.Rf7 Ne4 52.f3 Nd6 53.Rd7 Ne8 54.Rf7 Ra6 55.Ng5 Nf6 56.Kh4 Rb6 57.Ne4 Ne4 58.fe4 Rb4 59.e5 Rb6 60.Rd7+/– Rb4 61.Kg4 Rb6 62.Rd4 Kg7 63.f5 gf5 64.Kf5 Rb7 65.Rg4 Kf8 66.e6 h5= 67.Rg2 Rb3 68.Rd2 Rf3 69.Ke4 Rf1 70.Rd7 Ke8 71.Rh7 h4 72.Ke5 Re1 73.Kf6 Rf1 74.Kg6 Rf3= 75.Kg5 h3 76.Kg6 Rf2 77.Rd7 h2 78.Rh7 Kf8 79.Kg5 Rc2 80.Kg4 Kg8 81.Rh6 Kg7 82.Rh5 Kf6 83.Kg3 Rc3 84.Kh2 Ke6 85.Rh8 Ke5 86.Rg8 Ke4 87.Rh8 Ra3 88.Rg8 Rf3 89.Rh8 Ke5 90.Rg8 Kd5 91.Rh8 Kd6 92.Rg8 Ke5 93.Rh8 Kd4 94.Rg8 Rb3 95.Rh8 Kd5 96.Rg8 Kd6 97.Rh8 Rc3 98.Rg8 Rc1 99.Rh8 Kd5 100.Rg8 Ke5 101.Rh8 Kf4 102.Rg8 Rc7 103.Rh8 Rg7 104.Rf8 Ke5 105.Rh8 Kd5 106.Rf8 Rg6 107.Rh8 Ke4 108.Rf8 Rg5 109.Rh8 Kd5 110.Rf8 ½–½. Crafty 19.01 – Comet B50, 2005.

7.Qf3 Nf5 8.Bc4 =.

7.Qf3 Nf5 8.Qe4 Qe7 9.Bd3 Bc3 10.Qe7 Nce7 11.Nc3 =.

7.Qh4 Nf5 8.Qf6+/– Qf6 9.Bf6 Rf8 10.Bb2 Nh4 11.Nc3 Ba5 12.Ne4 Nb4 13.Rc1 Ke7 14.a3+– Nc6 15.Bg7 Rf5 16.g4 Rf7 17.Bh6 d5 18.Bg5 Kf8 19.Nf6 h6 20.Bh6 Ke7 21.Bg5 Rf6 22.Bh4 Bg4 23.Rb1 Bb6 24.Bg2 Rd8 25.Ne2 Ne5 26.Nf4 c6 27.d4 Nf3 28.Bf3 Bf3 29.Rg1 Rg8 30.Rg6 Rgg6 31.Ng6 Ke6 32.Bf6 Kf6 33.Ne5 Ba5 1–0. Fritz 8 – Comet B50, 2005.

7.Qh4 Nf5 8.Qf6+/– Qf6 9.Bf6 Rf8 10.Bc3 Nh4 11.Ne2 d6 12.a3 Bc5 13.d4 Bb6 14.d5 Ne7+= 15.Nf4 g5 16.Ne6 Rg8 17.Bc4 Ng2= 18.Ke2 Be6 19.de6 Rg6 20.Rg1 Nh4 21.Bd3 Nhf5 22.Nd2 0–0–0 23.Nc4 Bc5 24.Rab1+= Rf8 25.Bb4 Bb4= 26.Rb4 h6 27.Rgb1 b6 28.Ra4 Kb8 29.Nd2 Re6 30.Be4 d5 31.Bf3 c6 32.Nb3 Ref6–+ 33.Nc5 Rd6 34.Bg4 Ng6 35.Na6 Ka8 36.Rb3 Ne5–+ 37.Bh3 Rdf6 38.f4 gf4 39.Rf4 Nc4 40.Bg4 h5 41.Bf5 Rf5 42.Nc7 Kb7 43.Ne6 R8f6 44.Nd8 Kc7 45.Ne6 Kd7 46.Rf5 Rf5 47.Nf4 Re5 48.h4 Kd6 49.Rc3 Re4 50.Nh5 Rh4 51.Ng3 Rh2 52.Ke1 Kc5 53.Nf1 Rh1 54.Ke2 Kb5 55.Ng3 Ra1 56.Nf5 Ra3 57.Nd4 Kc5 58.Ra3 Na3 59.Kd3 a5 60.Nb3 Kd6 61.Nd2 c5 62.Kc3 b5 63.Kb2 b4 64.Kc1 a4 65.Nf3 (65.Nf1 Nc4–+) 0–1. Comet B25 – Comet B50, 2005.

7.Qh4 g5 8.Qh5+/– Ng6 9.Bd3 Kf7 10.h4 d5 11.hg5+– Bc3 12.Nc3 Be6 13.gf6 Qf6 14.Rb1 d4 15.Ne4 Qe7 16.Ng5 Kg7 17.Qh6 Kf6 18.Rh4 Rhg8 19.Rf4 Ke5 20.Qh2 Kd5 21.c4 dc3 22.Bc4 Kd6 23.Rd4 (23…Kc5 24.Ne4#) 1–0. Buettner,Fritz – Alves,Jorge, TT–04–0030 A, 2004.

7.Qh4 Bc3!?

8.Nc3 0–0 9.Nf3 d5 10.Rb1 a6 11.Bd3 b5 12.a4 ba4 13.Qa4 Qd6 14.Nb5 Qd7 15.Nbd4 Ne5 16.Qa5 N7c6 17.Nc6 Nf3 18.gf3 Qc6 19.h4 Be6 20.h5 g5 21.h6 Rfb8=+ 22.Ke2 Rb1 23.Rb1 Bf7 24.Qa3 Qd7 25.Qc3 d4 26.Qb4 de3= 27.fe3 Qh3 28.Rf1 Bd5 29.Qe7 Qh2 30.Rf2 Qh6 31.Qc7 Qg7 32.Qd6 Qf7 33.Rh2 h5 34.Bf5 Re8 35.d3 Be6 36.Be4 (36…h4 37.c4+= (37.Qa6 Qc7 38.Rf2 Qc2 39.Ke1 Qc1 40.Ke2 Bb3–+)). Comet B25 – Fritz 5.32, 2005.

8.Nc3 0–0 9.Nf3 d5 10.Rb1 b6 11.Qh6 Bf5 12.Rb2 Qd6 13.Nb5 Qd7 14.Nbd4 Nd4 15.Nd4 c5 16.Bb5 Qd6 17.Nf3 c4=+ 18.Nd4? Qa3–+ 19.Rb1 Qa2 20.0–0 Bc2 21.Ra1 Qb2 22.Bd7 a5 23.Be6 Kh8 24.Nc2 Qc2 25.Rfb1 Qd2 26.Rb6 c3 27.Rbb1 c2 28.Rc1 d4 29.Qf4 d3 30.Qc7 Qb4 31.h3 Ra6 32.Qc4 Rd6 33.Qa2 d2 34.Rc2 d1Q 35.Rd1 0–1. Comet B25 – Doctor? 3.0, 2005.

8.Nc3 0–0 9.Nf3 d5 10.Rb1 Ne5 11.Qf4 =.

8.Nc3 Nf5 9.Qe4 Nfe7 +=.

8.Nc3 Nf5 9.Qe4 Kf7 =.

5.e4 Qe7

6.Qh5 g6

7.Qd5 Bc3 8.Nc3 f5 9.Bd3 Nf6 10.Qc4 a6 11.Nd5 Nd5 12.Qd5 d6 13.Qc4 d5! 14.Qc3 0–0 15.f3 fe4 16.fe4 Bf5 17.0–0–0 Nb4 18.Qb3 Nd3 19.cd3 Be6 20.Qc2 Rf2 21.g3 Raf8 22.Re1 Qa3 23.Kb1 Qa5 24.Rd1 de4 25.de4 Rf1 26.Nh3 Rh1 27.Rh1 Bh3 28.d4 Re8 29.Qb3 Be6 30.Qb2 Qa4 31.Rc1 Rd8 32.a3 c6 33.Qb7 Qa3 34.Rc2 Qd3 35.d5 cd5 36.Qb6 Re8 37.Kb2 de4 38.Rc3 0–1. Doctor? 3.0 – Fritz 8, 2005.

7.Qd5 Bd6 8.Bc4 Ne5 9.Be2 c6 10.Qb3 Nh6 11.d4 Nef7 12.Nd2 Bc7 13.Ngf3 a5 14.0–0 0–0 15.d5 b5+= 16.Bd4 b4 17.dc6 dc6 18.a3 Bd6 19.ab4+/– Bb4 20.c3 Bd6 21.Qb6 a4 22.Qc6+= Bb7 23.Qc4 Ba6 24.Qa6 Ra6 25.Ba6 a3 26.Rfb1 Nd8 27.Ra2 Nhf7+= 28.Rba1 Ne6 29.Bc4 Ra8 30.Bd5+= Nd4 31.Ba8 Ne2 32.Kh1 Nc3 33.Rc2 Bb4 34.Bd5 Kg7 35.Nd4 Nd8 36.Rac1 Nd5 37.ed5 Qd6 38.Rc7? Kg8 39.Ne4=+ Qe5 40.Rd7 Qd4 41.Rd8 Kg7 42.f3 Kh6 43.h3 f5 44.Ng3 Qe5 45.Nf1 a2 46.Ra8 Qd5 47.Ra6 Qb3 48.Ng3 Qb1!! 49.Rg1 Bc5 50.Rf1 Bf2 51.Nf5 Kg5 52.Ng3 Bg3 53.Kg1 Bf4 54.h4 Kh4 55.Re6 a1Q 56.Rb1 Qb1 57.Kf2 0–1. Doctor? 3.0 – Crafty 19.01, 2005.

7.Qd5 Qe6 8.Bc4 Nge7 (Better is 8...Bc3!? 9.Nc3 Nge7=) 9.Qe6+/– de6 10.Bf6 0–0 11.Bb2 Na5 12.Be2 Nec6 13.c3 Bd6 14.d4 e5 15.d5 Ne7 16.c4 Bb4 17.Bc3 Bc3 18.Nc3 Bd7 19.Nf3 Rf3 20.gf3 Rf8 21.c5 b6 22.c6 Bc8 23.Nb5 Nac6 24.dc6 Nc6 25.Rc1 Nd4 26.Nd4 ed4 27.Rc7 a5 28.Bc4 Kh8 29.Ke2 Rd8 30.Rb1 Bh3 31.Rb6 a4 32.Rbb7 1–0. COMP – NN, Blitz:2'+6", 2003.

7.Qe2 Bc3 8.Nc3 Qd8 9.0–0–0 d6 10.d4 Nge7 11.Qb5 a6 12.Qb3 b5 13.Nd5 Nd5 14.ed5 Ne7 15.a4 ba4=+ 16.Qa4 Qd7 17.Qd7 Kd7 18.c4 a5 19.Re1 a4 20.Ne2 a3–/+ 21.Kb1 c6 22.Nc3 cd5 23.cd5 Ba6 24.Ba6 Ra6 25.Re6 Ra5 26.Rf6–/+ Nd5 27.Nd5=+ Rb8 28.Ka1 Rd5 29.Rf7 Ke6 30.Rf3 Rf5 31.Re3 Kd5 32.f3 Rb2 33.g4 Rf7 34.Ra3 Rd2 35.h4 Kd4 36.f4 d5 37.Ra4 Kc5 38.Rf1 d4 39.f5 gf5 40.gf5 Rh2 41.Rc1 Kd5 42.Ra5 Ke4 43.Re1 Kd3 44.Rd1 Kc4 45.Rc1 Kb4 46.Ra8 Rf5 47.Rb1 0–1. EXchess 3.11 – Fritz 8, 2005.

7.Qe2 Nh6 8.Nf3 0–0 9.Bb4 Nb4 10.d3 f5 11.Nc3 fe4 12.de4 Nf7 13.0–0–0 a6 14.Qc4 Nc6 15.Nd5 Qa3 16.Kb1 Qa5 17.e5 d6 18.ed6 Nd6 19.Ne7 Kg7 20.Nc6 bc6 21.Qd4 Rf6 22.Qb2 Ne4–/+ 23.Re1 Nc3 24.Kc1 Na2 25.Kb1 Nc3 26.Kc1 Be6 27.Re3 Na2 28.Kb1 Rd8 29.Ba6=+ Ra8 30.Bb7= Rb8 31.Nd4 Bd5=+ 32.Nb3 Qb6 33.Re7=+ Bf7 34.Ka2 Rb7 35.f3 c5 36.Qc3 Qa6 37.Kb2 c4 38.Ra1 Qc6 39.Ra3 h6 40.Qd4 cb3 41.Rb3 Rb5 42.h3 Rg5 43.Qf2 Kf8 44.Rbe3 Qa4 45.R7e4 Rb6 46.Kc1 Qa1 47.Kd2 Rc6 48.Rd3 (48.Qe2–+) 0–1. EXchess 3.11 – Comet B25, 2005.

7.Qe2 Nh6 8.Nf3 0–0 9.Bb4 Nb4 10.d3 f5 11.Nc3 fe4 12.de4 Nf7 13.0–0–0 Nc6 14.Nd5 Qd6 15.Qe3 Rb8 16.Bb5 a6 17.Bc6 bc6= 18.Nf4 Qe7 19.Ne2 d6 20.Nfd4 Bd7 21.Nc3 Ne5 22.Qg3 Nc4 23.Nb3 Qf6 24.Rhf1 Kg7 25.Nd2 Na3 26.Rde1 Be6=+ 27.Qd3 Rb6 28.f4= Rfb8 29.e5 de5 30.Re5 Bf5 31.Qd4 Kh6 32.Nce4 Be4 33.Rh5= Kg7 34.Rh7! Kh7 35.Qf6 Rb1 36.Nb1 Rb1 37.Kd2 Rf1 38.Qf7 Kh6 39.Qf8 Kh7 40.Qa3 Bd5 41.Qh3 Kg7 42.c4 Bf7 43.Qe3 Kg8 44.a4 Ra1 45.Qb3 Rg1 46.Qb8 Kg7 47.g3 Rg2 48.Kc3 Rh2 49.Qc7 Rh3 50.Qe5 Kg8 51.Qg5 Kg7 52.f5 Rh5 53.f6 Kg8 54.Qd2 Rf5 55.Qd6 Rg5 56.Qb8 Kh7 57.Qf8 Rg3 58.Kb4 a5 59.Kc5 Rg5 60.Kd6 Rd5 61.cd5 Bd5 62.Qg7# 1–0. EXchess 3.11 – Comet B50, 2005.

7.Qe2 Nh6 8.Nf3 d6 9.Bb4 Nb4 10.Qb5 Nc6 11.Nc3 0–0 12.Bc4+= Kh8 13.0–0 Ne5 14.Nd4 f5 15.d3 Nhg4 16.Rab1 fe4–/+ 17.Ne4 c6 18.Qb3? d5–+ 19.Bd5 cd5 20.Nc3 Nh2 21.Nd5 Qh4 22.Qb4 Rf7 23.Ne7 Nhg4 24.Ng6 hg6 25.Qf8 Rf8 26.Rfd1 Qh2 27.Kf1 Rf2 28.Ke1 Qg1# 0–1. EXchess 3.11 – Fritz 5.32, 2005.

4.Bc3 Bd6

5.e3 Nc6 6.Bc4 +=.

5.e3 Qe7 6.Nf3 Bb4 (6...Nc6 7.Bc4+=) 7.Bc4 Bc3 8.Nc3 d6 (8...c6 9.Bg8 Rg8 10.Nd4+=) 9.0–0 (9.Nd5 Qd7+/–) 9...Be6 (9...c6 10.Nd4+=) 10.Be6+/– Qe6 11.Rb1 b6 12.Nd4 Qf7? (better is 12...Qd7!?+/–) 13.Qf3+– c6 14.Nc6 Qb7 15.Nb5 (15.Qe4 Ne7 16.Nb8 Rb8+–) 15...Nc6?? (better is 15...Qc6 16.Qc6 Nc6 17.Nc7 Kd7 18.Na8 Nge7 19.Nb6 ab6 20.Rb6 Ra8+–) 16.Nd6 (16.Nd6 Kd7 17.Nb7+–) 1–0. Wall,Bill – Juergen, internet, 2000.

5.e3 Ne7 6.Bc4 Nbc6 7.Qg4 Ng6 8.h4 (Better is 8.d4!?+=) 8...Nce5 9.Be5 Be5 (9...fe5? 10.h5 Ne7 11.Qg7+–) 10.d4 d5 11.Qf3 dc4 12.de5 (12.h5 Bd4 13.Qe4 Ne7 14.Qd4 Qd4 15.ed4 Bf5–/+) 12...Ne5 (12...fe5?! 13.h5 Ne7 14.h6=) 13.Qe4 0–0 (13...Bd7 14.Qb7 Bc6 15.Qa6–/+) 14.Nf3 Re8 15.Ne5 Re5 16.Qc4 Be6 17.Qd3 Qe7 18.0–0 Rd8 19.Qe2 Bd5 20.g3? Re4 21.Nc3 Re5 22.Nd5 Rd7?? 23.c4 (23…Qe8 24.Rfd1+–; Better is 23.Ne7 Rde7 24.Qc4 Kf8 25.Rfd1+–) 1–0. reverendrev – NewYear, Live Game Caissa's Web, 2004.

5.e4 Be5 6.Be5 fe5 7.Qh5 Kf8 8.Qe5 Qf6 9.Qf6 Nf6 10.e5 Nd5 11.d4 Nb4 12.Kd2 d5 13.c3 N4c6 14.Bd3 g6 15.Ne2 Bf5 16.Nf4 Bd3 17.Kd3 Nd7 18.Ne6 Ke7 19.Nc7 Raf8 20.Nd5 Ke6 21.Nc7 Ke7 22.f3 Rd8 23.Ke4 Rhf8 24.c4 Nde5 25.Nd5 Ke8 26.de5 Rf5 27.f4 Kf7 28.g4 Re5 29.fe5 Re8 30.Rf1 Kg7 31.Nbc3 Re5 32.Kd3 Re8 33.Nc7 Ne5 34.Ke4 Ng4 35.Ne8 Kh6 36.h3 Nh2 37.Rf2 1–0. kolya (2015) – KingBeady, GameColony.com, 2002.

4.Bc3 Qe7

5.Bb4 Qb4 6.Nc3 c6 7.e4 d6 8.Rb1 Qa5 9.Qf3 Be6 10.Rb7 Nd7 11.Qg3+– g5? 12.Qd6 Nc5 13.Qc6 Kf8 14.Qd6 Ke8 15.Bb5 Bd7 16.Qc5 Bb5 17.Nb5 (17...Qb6 18.Rb6 ab6 19.Qc6 Ke7 20.Qa8+–) 1–0. Creatchy – nimmie, ChessWorld.net, 2005.

5.e3 Bc3 6.Nc3 d6 7.Nd5 Qf7 8.Bc4 Be6 9.Nc7!+– Qc7 10.Be6 Nc6 11.Ne2 Ke7 12.Nf4 Nd8?? 13.Nd5 (13…Kf8 14.Nc7 Ne6 15.Na8+–) 1–0. michaelbuss – jrprice4, ChessWorld.net, 2006.

5.e3 Nc6 6.Bb2 Nh6 7.a3 Ba5 8.Bc4 d6 9.Qh5 Nf7 10.Bf7 Qf7=+ 11.Qf7 Kf7 12.Nc3 Bc3 13.Bc3= b5 14.Rb1 Ba6 15.Nf3 Rab8 16.Nd4 Nd4 17.Bd4 c5 18.Ba1 b4 19.ab4 Rb4 20.Rb4 cb4 21.d3 Rc8 22.Kd2 Bb5 23.Rb1 a5 24.c4 bc3 25.Bc3= Bc6 26.Ba5 Bg2 27.Rb6 d5 28.Rb7 Kg6 29.Bc3?? d4!–+ 30.Bd4?! Bb7 31.f4 Kf5 32.h3 Bg2 33.e4 Kf4 34.Be3 Kf3 35.h4 Ra8 36.Bc5 Ra2 37.Kc3 Bf1 38.Kd4 Rd2 39.Kc4 Rd3 40.Kb5 Ke4 41.Kc6 Rc3 42.Kb6 Rc5! 43.Kc5 g5 44.hg5 fg5 (45.Kd6 h5–+) 0–1. michas – Zuzu (1750), internet, 2005.

4.Bc3 Be7

5.a4 b6 6.e3+= Bb7 7.Qh5 g6 8.Qh3 Nc6 9.Bd3 Ne5 (9...Kf7!?+/–) 10.Be5 fe5 11.Bg6! hg6 12.Qh8 Kf8 13.Qh3 (13.Qe5? Bd6 14.Qh8 Bg2–+) 13...Nf6 (13...Kg7 14.Nc3+–) 14.Nf3 Ba6?? (14...Kg7 15.Ne5 Bd6+–) 15.Qh8 Kf7 (15...Ng8 16.Ne5 Bd6 17.Ng6 Kf7 18.Qh7 Ke6+–) 16.Ng5 1–0. usingprogram (2020) – popcorn102, kurnik, 2013.

5.d4 Nc6 6.e4+= d6 (6...d5!? 7.Qh5 Kf8 8.ed5 Nb4 9.Bb4 Bb4 10.c3 Qe7 11.Qe2 Bd6=) 7.Qh5 (7.Bc4 f5 8.Bg8 Rg8 9.Qh5 Kf8+/–) 7...g6 8.Qf3 (8.Qd5 Nh6+/–) 8...Bd7? (8...f5 9.d5 Ne5 10.Bb5 Bd7 11.Qe2+=) 9.Bb5 (9.Bc4 f5 10.Nd2 Bg5+/–) 9...Nh6 (9...d5 10.ed5 Nb4 11.Bd7 Qd7 12.Bb4 Bb4 13.Kf1+=) 10.Ne2+/– a6 (10...0–0 11.Bc4 Kh8 12.0–0+/–) 11.Ba4 (11.Bc4 f5 12.0–0 Rf8+–) 11...b5 (11...Bg4!? 12.Qe3 Nf7+/–) 12.Bb3 Nf7. barhop – Orangutangen, Live Game Caissa's Web, 2006.

5.d4 d5!? =.

5.e4 d5 6.Qh5 g6 7.Qd5 Qd5 8.ed5 c6 9.dc6 bc6 (9...Nc6 10.Bc4+/–) 10.Bc4 Bd7 (10...Nd7!?+/–) 11.Nf3 h6 (11...Bg4 12.Ng5 Nh6 13.h3+–) 12.0–0 Kf8 13.Re1 c5? (13...Bd6+–) 14.Nh4 Kg7 15.Bg8 Rg8 (15...Nc6 16.Bd5 Rae8 17.Be4+–) 16.Re7 Kf8 17.Bf6 Be8 (17...g5 18.Nf3 Rg6 19.Ne5 Rf6 20.Rd7 (20.Nd7?! Ke7 21.Nf6 Kf6+–) 20...Nd7 21.Nd7 Ke7 22.Nf6 Kf6 23.Nc3+–) 18.Rh7 h5 (18...Nc6+–) 19.Be7# 1–0. pierre – warlock400, itsyourturn.com, 2005.

5.e4 d5 6.Qh5 g6 7.Qd5 Qd5 8.ed5 Bf5 9.Kd1 Nd7 (9...Be4 10.Bd4 Bd5 11.Nc3=) 10.Bd4 0–0–0 11.Ba7 b6?? (better is 11...Nc5 12.a4 Rd5+=) 12.Ba6 1–0. marekt – Britney4334, GameColony.com, 2002.

5.e4 Nh6 6.Bc4 +=.

4.Bd4 Nc6

5.Bb2 d5 6.e3 =.

5.Bb2 d6 6.a3 Bc5 (6...Ba5 7.e3=) 7.e3 a6 (7...Bf5 8.d4 Bb6 9.d5=) 8.d4 (8.Nf3 d5=) 8...Ba7 (8...Bb6 9.Bd3=) 9.Bc4 (9.Bd3 Nh6+=) 9...Qe7 (9...Bf5 10.Nf3=) 10.Nf3+= Bg4 (10...Na5 11.Bd3+=) 11.0–0 Na5 (11...b5 12.Bd3+=) 12.Ba2 (12.Bd3 d5+=) 12...Qe4 (12...b5 13.h3 Bh5 14.Nbd2+=) 13.Nc3+/– Bf3 (13...Qf5 14.e4 Qh5 15.Nd5 Bf3 16.Qf3 Qf3 17.gf3+/–) 14.Ne4 (worse is 14.Qf3 Qf3 15.gf3 Ne7+=) 14...Bd1 15.Rfd1 Ne7 16.c4 (better is 16.d5+/–) 16...c6? (better is 16...b5 17.Nd2 c5+/–) 17.Nd6+– Kd7 18.Bc3 (18.c5 Bb8 19.Bc3 Bc7+–) 18...b6 (better is 18...Kd6 19.c5 Kc7 20.Ba5 b6 21.cb6 Bb6 22.Bb6 Kb6 23.Rab1 Kc7+–) 19.c5! bc5 (19...Rhb8 20.Ba5 ba5+–) 20.dc5 (20.Ba5?! Kd6 21.dc5 Ke5+–) 20...Bc5 (20...Nd5 21.Ba5 Bc5 22.Nb7+–) 21.Ne4 (21.Ne4 Ke8 22.Nc5+–; 21.Ba5?! Bd6 22.Rd2 Nc8+/–) 1–0. Wall,Bill – Cleitus, internet, 2005.

5.Bb2 Nge7 6.c3 Ba5 7.d4 =.

5.Bc3 d6 =+.

5.Nf3 Nd4 6.Nd4 Bc5 7.e3= d6 8.Bb5 Bd7 9.Ne6+/– Qe7? 10.Nc7+– Kd8 11.Na8 Bb5 12.d4 Bb4 13.c3 Ba5 14.Qb3 Bc6 15.d5 (15...Be8 16.Nd2+–) 1–0. Wall,Bill – Fleur, internet, 2003.

4.Bd4 d5

5.e3 Nc6 6.Bb5 a6!? 7.Bc6 bc6 =.

5.e3 Nc6 6.Bb5 a6 7.Qh5 g6 8.Bc6 bc6 9.Qd1 =.

5.e3 Nc6 6.Bb5 Bd7 7.Qh5+= g6 8.Qd5 Qe7 9.Nf3 (9.Ne2 0–0–0 10.Qb3 Be6+/–) 9...0–0–0 10.0–0 (10.Qb3 a6 11.Be2 Be6+=) 10...Bf5 (better is 10...Bg4!? 11.Bc6 Rd5 12.Bd5 c6 13.Bg8 Rg8 14.Ba7 Bf3 15.gf3 Qe5+=) 11.Qb3+/– Nd4 (11...Be4 12.Bc6 Bc6 13.e4+/–) 12.Nd4 Nh6 13.Nf5 (13.Nc3 c6 14.Bc4 Bc5 15.Nf5 Nf5+–) 13...Nf5 14.d4 Ba5 (14...Bd6 15.Bc4+/–) 15.c4 (15.Bd3 Nd6+–) 15...a6 (15...c6 16.Ba4+/–) 16.Ba4 Qb4 17.Qb4 (17.Qc2 c5 18.d5 Nd6+–) 17...Bb4 18.a3 Ba5 19.Ra2 (19.Rd1 h6+/–) 19...Nd6 (19...h5 20.Bc2+/–) 20.Rc1 (20.c5 Ne4+/–) 20...f5 (20...Ne4 21.f3 Ng5 22.Nd2+/–) 21.Nd2 Bd2 22.Rd2 Ne4 23.Rb2 g5 (23...f4 24.c5+/–) 24.c5+– h5? (better is 24...g4+–) 25.f3 Nf6 26.Rcb1 b5 27.cb6 Nd5 28.bc7 Kc7 29.Rb7 Kd6 30.e4 fe4 31.fe4 Nc3 32.R1b6# 1–0. Wall,Bill – Ogoe, internet, 2006.

5.e3 Nc6 6.Bb5 Bf5 7.Nc3 Nge7 8.Rb1 0–0=+ 9.Ba4 Nd4 10.Rb4= c5 11.Rb7+= Bc8 12.Rb1 Ne6 13.Nf3 Qc7 14.e4 Nf4 15.g3 de4 16.Ne4 Ng2 17.Kf1 Bh3 18.Kg1 Rad8 19.Qe2 c4 20.Bb5 Kh8 21.c3 f5+– 22.Neg5 a6 23.Bc4 Bg4 24.Qe6 Rd6 25.Nf7 Rf7 26.Qf7 Qd8 27.Ne5 Rd2 28.Rb7 Nf4 29.h4 Rd1 30.Kh2 Rh1 31.Kh1 Qd1 32.Kh2 Nfd5 33.Rb8 Ng8 34.Rg8# (34.Qg8#) 1–0. NN – GrandMasterChess 80286, 1993.

5.e3 Bf5 6.Nf3 =.

5.e3 h5 6.Be2 c5 7.Bh5+/– Kf8 8.Bc3 Bc3 9.Nc3 Bf5 10.Bf3 Ne7 11.Rb1 b6 12.Nge2 Qd6 13.Nf4+– Na6 14.Nfd5 Nd5 15.Nd5 Rd8 16.h4 Nb4 17.Nb4 cb4 18.h5 Qc5 19.d4 Qc3 20.Qd2 Qd2 21.Kd2 Rc8 22.e4 Bd7 23.Rb4 b5 24.a4! ba4 25.Rb7 Bc6 26.Ra7 Ra8 27.Ra8 Be8 28.Rb1 Kf7 29.Rb7 Ke6 30.Ra6 (30…Bc6 31.Rc6#) 1–0. Bambinik – Howlett,George, itsyourturn.com, 2001.

5.Nf3 Bf5 6.c3 Bf8 7.Qb3 b6 8.e3 c5–/+ 9.Bb5 Kf7 10.c4 a6–+ 11.Ba4 cd4 12.ed4 Qe7 13.Kd1 dc4 14.Qc4 Qe6?? 15.Qc7= Kg6 16.Nh4 Kg5 17.Nf5+= Qf5 18.Qb7 Qf2 19.Qa8 Qd4 20.Nc3 Bd6 21.Qe4 Bc5 22.Qe8 Bd6 23.Bb3 Bf4 24.Ne4 Kg4? 25.Rc1+– Kf5 26.Bg8 Rg8 27.Qg8 Qe4 28.Qg7 Qa4 29.Rc2 h5 30.Qh7 Ke6 31.Qh5 Qd4 32.Qe8 Kf5 33.Rf1 Kg5 34.h3 Be5 35.g4 Kh6 36.Qh8 Kg6 37.Qg8 Kh6 38.Rc4 Qa1 39.Ke2 Qa2 40.Rf5 Qc4 41.Qc4 Kg7 42.g5 b5 43.gf6 Bf6 44.Qe6 Nd7 45.Qd7 Kg6 46.Qe6 Kh6 47.Qf6 Kh7 48.Qf7 Kh6 49.Rh5# 1–0. COMP Shortchess – COMP Ares, Dutch–ch Utrecht, 1992.

4.Bg3 Nc6

5.c3 Ba5 6.e4 a6 7.d4 d5= 8.Bd3 Nge7 9.Ne2 0–0 10.0–0+= Bg4 11.h3 Bh5 12.Qc2 de4 13.Be4 f5 14.Bc6 Nc6 15.Nf4 Bf7 16.Re1 Re8 17.Nd2 Re1 18.Re1 Qd7 19.Nf3 Re8 20.Ne5 Ne5=+ 21.de5 Be6 22.c4?? Be1–+ 0–1. gtate (1960) – flaviolucas (2100), net–chess.com, 2006.

5.c3 Ba5 6.Nf3 d5 7.Qa4 Bg4?? 8.Nd4 (8…Bb6 9.Nc6=; Better is 8.Qg4 Qe7 9.Qh5 Qf7 10.Qf7 Kf7 11.Na3+–) 1–0. pinecrest1981 – Perpetualczech, Caissa's Web Live Game, 2004.

5.e4 Qe7 6.Qe2 =.

5.e4 Nge7 6.c3 Ba5 7.Bc4 d6 8.Ne2 Ng6 9.0–0 Qe7 10.Qc2 Be6 11.Bb3 Bb6 12.d4 Bb3 13.ab3 0–0 14.Nd2. gtate (2010) – phtaubate (2000), net–chess.com, 2005.

4.Bg3 d5

5.c3 Bc5 6.d4 Bb6 7.Nd2 Ne7 8.e4 0–0 9.ed5 Nd5 10.Bc4 Kh8 11.Ne2 Bg4 12.f3 Be6 13.Bf2 Qe7 14.Bd5 Bd5 15.0–0 Bc4?? 16.Nc4+– Nc6 17.Re1 f5 18.Nf4 Qf7 19.Nb6 ab6 20.d5 Na5 21.Ne6 Rfc8 22.Bd4 Kg8 23.Bg7 Re8 24.Qd4 Rad8 25.Nd8 (25…Rd8 26.Qh4 Rd5 27.Re7+–) 1–0. gtate (1815) – gannett (1635), net–chess.com, 2002.

5.c3 Bd6 6.d4 Bg3 7.hg3 Ne7 8.e3 Bf5 9.Nf3= Bb1? 10.Qb1+/– b6 11.Rh7+– Rh7 12.Qh7 Kf8 13.c4 Nbc6 14.Rc1 Qd6 15.Qh8 Ng8 16.cd5 Qb4 17.Nd2 Nce7 18.Rc7 Qd6 19.Re7! Qe7 20.d6! Qd6 21.Bc4 Ke7 22.Qg7 Kd8 23.Qg8 Kc7 24.Qa8 Qa3 25.Be6 Qc1 26.Ke2 Qd2 27.Kd2 Kd6 28.Qc8 Ke7 29.Qd7 Kf8 30.Qf7# 1–0. wiking (2295) – diego2907 (1840), internet, 2010.

5.c3 Bd6 6.Bd6 Qd6 7.d4 Nh6 8.Nd2 0–0 9.e4 Re8 10.Bd3 de4–/+ 11.Bc4 Kh8 12.Ne2 e3 13.fe3 Ng4 14.Qb3 Ne3–+ 15.Bf7 Be6 16.Be6 Qe6 17.Qe6 Re6 18.Nf1?? Nc2–+ (19.Kd2 Na1–+) 0–1. gtate (1945) – carrafurca (2215), net–chess.com, 2005.

5.c3 Bd6 6.e3 Bf5 7.d4 Bb1 (Better is 7...Ne7!?=) 8.Rb1+/– b6? (Better is 8...Bg3 9.hg3 b6+/–) 9.Qh5+– g6 (9...Ke7 10.Qd5 c6 11.Qe4 Kf8 12.Nf3+–) 10.Qd5 Ne7 11.Qa8 Bg3 12.hg3 Nd5 13.c4 Nc3 14.Rc1 Na2 15.Ra1 Nb4 16.Nf3 Nc2 17.Ke2 Na1 18.Qa7 Nb3 19.Qb7 0–0 20.Nd2 Nd2+/– 21.Kd2 c5?? 22.Bd3 cd4?? 23.ed4 Qd4?? 24.Ke2 Qb2 25.Kf3+– Qe5 26.Bg6 hg6?? 27.Qh7# 1–0. Slavisa2 – chessdv8, Live Game Caissa's Web, 2004.

5.e3 Nc6 6.a3 Ba5 7.Bb5 Nge7 8.Qh5 g6 9.Qh6 Nf5 10.Qf4 0–0 (10...Ng3 11.Qg3 a6 12.Bc6 bc6 13.Nf3=) 11.Bc6+= bc6 12.Qa4 Bb6 13.Qc6 Rb8 14.d4 Nd4 (14...Re8!? 15.Nf3 Be6+=) 15.ed4+/– Bd4 16.Bc7?? (better is 16.c3 Re8 17.Ne2+/–) 16...Qe7+= 17.Ne2 Bb7 18.Qd6 Qd6 19.Bd6 Ba1 20.Bb8 Rb8 21.f3 Ba6 22.Kf2 (22.Kd2 d4–/+) 22...Rc8 23.c3 Rb8 24.Nd2 Bb2 25.a4 (25.Nb1!?–/+) 25...Re8 26.Re1 Kf7 (26...Re2!? 27.Re2 Be2 28.Ke2 Bc3–/+) 27.Nf4 Rd8 28.Nb1 Rd6 29.Rd1 Exerts pressure on the isolated pawn 29...d4 30.h4 Ke7 31.Rd4 Rd4 32.cd4 Bd4 33.Ke1 Be5 34.Ne2 f5 35.g4 Bc8 (35...h5 36.gf5 gf5 37.Na3–/+) 36.f4 Bc7 37.g5 Bd7 38.Nbc3 Kd6 39.Kd2 Kc5 40.Kd3 a5 41.Ke3 Kc4 42.Kd2 Bd6 43.Kc2 Bb4 44.Kb2 Bc3 45.Nc3 Kd4 46.Kc2 Ke3 47.Nd5 Kf3 0–1. grandma (2005) – antinephilehi (2020), gameknot.com, 2007.

5.e3 Nc6 6.Bb5 Nge7 7.h3 0–0 8.Nf3 a6 9.Ba4 b5 10.Bb3 Na5 11.0–0 Nb3 12.ab3 Bd6 13.c4 Bg3–/+ 14.fg3 dc4 15.bc4 Bb7 16.cb5= ab5 17.Nc3 Ra1=+ 18.Qa1 b4 19.Na4 Bf3–+ 20.gf3 Qd2 0–1. gtate (1860) – ramonpontes (1930), net–chess.com, 2003.

5.e3 Bd6 6.Qh5+= g6 7.Qd5+/– Ne7 8.Qb3 Bg3 9.hg3 Qd6 10.Nc3 c6 11.Nf3 f5 12.Ng5 Qf6 13.Rh7 Rh7 14.Nh7 Qg7 15.Ng5 Nd5 16.0–0–0 Nc3?? 17.dc3 Ke7 18.Qb4 Ke8 19.Qd6 (19...Nd7 20.Ne6 Qc3 21.Nc7 Kf7 22.Qe6 Kg7 23.Qe7 Kh8 24.Bc4 Qa1 25.Kd2 Nc5 26.Qf8 Kh7 27.Bg8 Kh8 28.Bf7 Kh7 29.Qg8 Kh6 30.Qg6#) 1–0. Oze,Kristian (2105) – Maraczi,Erno (2115), HUN–chT3 Hungary, 1997.

5.e3 Ne7 6.c3 Bd6 7.d4 Bg3 8.hg3 0–0 9.Bd3= Re8?? 10.Bh7+– Kf8 11.Qh5 g6?? 12.Qh6 Kf7 13.Nf3 Rh8 14.Nh4 g5? 15.Bg6 Ke6 16.Qg7 gh4 17.gh4?? Ng6–+ 18.Qg6 Nc6 19.h5 Ne7 20.Qg4 Kf7 21.Qf3 Nf5 22.Nd2–/+ Ng7 23.g4 Ne6–/+ 24.e4? Ng5–+ 25.Qf4 de4 26.Ne4 Ne4 0–1. gregorgysi (2250) – jboger (1985), net–chess.com, 2009.

5.e3 Ne7 6.Qh5 Ng6 7.Bd3+= f5 8.Nf3 0–0 9.Ng5 h6 10.Qg6 hg5 11.0–0 Nc6 12.Nc3 Bc3 13.dc3 Qe8 14.Qg5+– Ne5 15.Qf4 Ng4 16.Qc7 Qh5 17.Rab1 f4 18.Bf4 Rf4 19.Qf4 Be6 20.Rb7 Rf8 21.Rb8 Bf7 22.Rf8 Kf8 23.Be2 g5 24.Qb4 Kg7 25.Bg4 Qg6 26.Qd4 Kh6 27.Rb1 Qc2 28.Rb7 Kg6 29.h4! gh4 30.Qe5 Qc1 31.Kh2 Qf1 32.Qh5 Kf6 33.Rf7# 1–0. guest3315 – guest2063, ICC, 2006.

5.e3 Bf5!? =.

5.e3 g6 6.h3 Be6 7.Be2 Qd7 8.Nf3 Nc6 9.0–0 0–0–0 10.c3 Bd6 11.Bd6 Qd6 12.Nd4 Nd4 13.cd4+= h5 14.Nc3 c6 15.Qc2+/– Ne7 16.Nb5 Qb8 17.a4 a6 18.Na3 f5 19.Rfb1 Rd7 20.Ba6!+– g5? 21.Nb5?? Rh7?? 22.Nc3+– g4 23.h4 g3 24.f4 Ng6 25.a5 Nh4 26.Na4 Rde7 27.Nc5 Ng6 28.Ne6 Re6 29.Qf5 Qd6 30.Be2 h4 31.Bg4 Nf8 32.Qd3 Qe7 33.a6 Kb8 34.Rb7 Qb7 35.ab7 Ree7 36.Bc8 Nd7 37.Qa6 h3 38.Qa8 Kc7+– 39.Bd7 (39...h2 40.Kh1 Kd6 41.b8Q Kd7 42.Qc8 Kd6 43.Qac6) 1–0. gtate (1860) – amiller (1850), net–chess.com, 2004.

4.Bg3 d6

5.c3 Ba5 6.e4 Bb6 7.Bc4 (7.a4 a5 8.Na3 Qe7+=) 7...Qe7 8.Ne2 (better is 8.Qe2!?+=) 8...Qe4+= 9.Qa4 Kd8 10.Qb3 (10.f3!? Qe8 11.Bb5+=) 10...Nh6–/+ (10...Qg2? 11.Bd5 Qh3 12.Bg8+–) 11.0–0 (better is 11.f3 Qe7 12.Na3–/+) 11...Bg4?? (better is 11...d5 12.Bd5 Qe2–+) 12.Nf4+= Nc6 13.Bd5 (13.Bd3 Qe7+=) 13...Qe8 (13...Qe7 14.Na3 Re8 15.h3+=) 14.Na3 Na5 15.Qc2 (15.Qb2 Qd7 16.h3 Bf5+=) 15...c6 (15...Bf5 16.d3+=) 16.Rfe1 Qd7 17.Be6 Be6 18.Ne6 (worse is 18.Re6 g5 19.Rf6 gf4+=) 18...Kc8 19.d4 (19.Re2!?+=) 19...Re8= 20.Nf4 g6 (20...g5 21.Nh5 Rf8 22.Re2=) 21.d5 Nf5 22.Qd3 (22.Re8 Qe8 23.Qd3 Kd7= (23...Ng3 24.hg3 Kd7 25.Nc4 Nc4 26.Qc4=)) 22...Ng7 (22...Re5 23.c4=) 23.dc6 (23.Re8 Ne8 24.Re1 Nc7+=) 23...bc6 24.Nc4 (24.Re8 Ne8 25.Nc2 Rb8=) 24...Nc4 (24...Re1 25.Re1 Nc4 26.Qc4+=) 25.Qc4 (better is 25.Re8 Ne8 26.Qc4=) 25...Kc7 (better is 25...Kb7+=) 26.Nd5+/– Kb7 27.Nf6 Re1 28.Re1 Qf5?? (28...Qc7 29.Nd5! cd5 30.Qd5 Qc6 31.Qf7 Ka6 32.Qg7 Re8+/–) 29.Re7 Bc7 30.Qb3 Kc8 (30...Qb5 31.Rg7 Qb3 32.ab3+–) 31.Bd6 Bd6 (31...Ne6 32.Re6 Bd6 33.Re8 Kc7 34.Ra8 Bh2 35.Kh2 Qf6 36.Ra7 Kd6 37.Qb8 Ke6 38.Qe8 Kd5 39.Rd7 Qd6 40.Rd6 Kd6 41.Qf8 Ke5 42.Qh8 Kd5 43.Qh7 Kc4 44.Qg6 Kc5+–) 32.Qg8 1–0. Nikolaev,Dmitriy (2210) – Bik_Mukhamedov,Mikhail (1890), 45th Rtng Kimry, 2009.

5.c3 Ba5 6.e4 Nc6 7.Nf3 =.

5.c3 Ba5 6.Nf3 Nc6 7.e4 (7.e3 Nge7=) 7...Be6 (7...Qe7 8.Bd3=) 8.Bb5+= .Nge7 9.0–0 (9.Nd4 Bf7+=) 9...Qd7 10.d4 g5?? 11.d5+– h5 12.h4 Bg4 13.dc6 Nc6 14.hg5 fg5 15.e5 0–0–0 16.ed6 cd6 17.Qa4 Bf3+/– 18.gf3 Qc7 19.Na3 Bc3?? 20.Rac1+– Bb2 21.Bc6 Bc1 22.Rc1 Kb8 23.Nb5 Qb6 24.Nd6 Rd6 25.Bd6 Ka8 26.Be4 Qd6+– 27.Qb5 Qe7 28.Rc6! g4 29.Re6 Qc7 30.a4 g3 31.Re8 Re8 32.Qe8 Qb8 33.Qb8 Kb8 34.fg3 Kc7 35.Kh2 b6 36.Kh3 (36…Kd6 37.f4+–) 1–0. alaamattar (2115) – jcekota (2145), net–chess.com, 2007.

5.c3 Ba5 6.Nf3 Ne7 7.e3 =.

5.c3 Ba5 6.Nf3 Bg4?? 7.e3 (better is 7.Qa4 Qd7 8.Qa5+–) 7...Bf3 8.Qf3 c6 9.Bd3 Ne7 10.0–0 0–0 11.Na3 d5 12.Bc2 b5 13.Nb1 Nd7 14.d3 Bc3?? (better is 14...Bc7+=) 15.Nc3+– b4 16.Ne2 Ne5 17.Qh5 g6 18.Qh3 f5 (18...Qd7 19.Qd7 Nd7+–) 19.Be5 Qb6 20.Qh6 Rf7 21.Nf4 Re8 22.e4 fe4 23.de4 de4 24.Be4 Nf5 25.Bf5 Re5 26.Bg6! hg6 27.Ng6 Rh7 28.Qf8 1–0. ArmandoS – pacomoon, Live Game Caissa's Web, 2004.

5.c3 Bc5 6.e3 (6.d4 Bb6+=) 6...Bf5 (6...Ne7 7.d4 Bb6 8.a4=) 7.d4+= Bb6 8.Bd3 (8.Nd2 d5+=) 8...Qd7 (8...Bd3 9.Qd3 Nc6 10.Nd2+=) 9.Nf3 Nh6 10.Nh4 Bd3+= 11.Qd3 Nc6 12.Qe2 Na5 13.Qh5 Qf7 14.Qf7 Nf7 15.0–0 Ng5 16.Nd2+= 0–0 17.Rab1 Rfe8 18.Rb5 Ne4 19.Ne4 Re4 20.Nf5 g6 21.Nh4 Nc4 22.Nf3 a6 23.Rb4 Na3?? 24.Bd6 Nc2?? 25.Rb2+– Nd4? 26.cd4 Rd8 27.Ba3 h5 28.Rfb1 g5 29.Nd2 Re6 30.Nc4 Bd4 31.ed4 Rd4 32.Ne3 b5 33.g3 f5 34.Bc5 f4 35.Bd4 fe3 36.Be3 h4 37.Rc2 hg3 38.hg3 Re3 39.fe3 c5 40.Rc5 g4 41.Rc7 a5 42.Rd1 a4 43.Rd8# 1–0. slavisa99 – hgflyer, Live Game Caissa's Web, 2004.

5.e3 Nc6 6.Be2 (6.c3 Ba5=) 6...Be6 (6...Nge7 7.c3 Ba5 8.Nf3=) 7.a3 (7.c3 Ba5=) 7...Ba5 8.Nf3 Nh6 9.0–0 g5 (9...Nf5 10.Bf4=) 10.h3 (10.d4 d5+=) 10...Rg8 11.d4 g4 12.hg4 d5 13.Nh2 Qd7 14.f3 0–0–0 15.Bf4 Nf7 16.Nd2 Ng5 17.Nb3 Rh8 18.Nc5 h5?? 19.Nd7+– Rd7 20.Bg5 fg5 21.Kf2 hg4 22.Ng4 Bg4 23.fg4 Rf7 24.Bf3 Ne7 25.Rb1 Ng6 26.Rh1 Nh4 27.Qd3 Rhf8 28.Rh3 Nf3 29.Rf3 Rf3 30.gf3 Rh8 31.Qf5 Kb8 32.Qd5 c6 33.Qe5 Kc8 34.Qh8 Bd8 35.Qh7 b6 36.Qf5 Kb7 37.Qd7 Bc7 38.c4 a6 39.a4 (39…Ka8 40.Qc8 Ka7 41.Qc7 Ka8 42.Rb6 a5 43.Rb8#; 39.Rh1 Kb8 40.Rh8 Kb7 41.Qc8 Ka7 42.Qc7#) 1–0. mic (2130) – epprecht (2085), net–chess.com, 2008.

5.e3 h5 6.Be2 (6.Nf3+=) 6...c6?? (better is 6...h4 7.Bh5 Ke7 8.Bh4 g6–/+) 7.Bh5+/– Rh5? (better is 7...Kf8+/–) 8.Qh5+– Kf8 9.Ne2 Qa5 10.Qa5 Ba5 11.Bd6 Ne7 12.Be7 Ke7 13.Nbc3 Bf5 14.e4 Bg6 15.0–0 Nd7 16.f4 Bc3 17.Nc3 Nc5 18.f5 Bf7 19.d3 Rh8 20.Rfb1 b6 21.Ne2 g5 22.fg6 Bg6 23.Rf1 (23…Nd7 24.Ng3+–; 23.Nd4 Be8+–) 1–0. euforia (1710) – Prashant Sinha, internet, 2007.

5.e4 Qe7 6.Qh5 g6 7.Qe2 =.

5.e4 Ne7 6.Bc4 (6.c3 Bc5+=) 6...c5 (6...Nbc6 7.c3 Ba5 8.Nf3=) 7.Qh5 (better is 7.c3 Ba5 8.Nf3+=) 7...Ng6 (7...g6 8.Qe2+=) 8.Nf3 (8.Qd5!? Qd7 9.Bd6+/–) 8...Nd7 (8...Qe7!? 9.Bd5 Nd7+/–) 9.0–0 (9…Qe7 10.a3+/–; 9.Bd6!? Nb6 10.Bc5 Bc5 11.Qc5 Nc4 12.Qc4 Bg4+–) 1–0. AbstractPoetic – pituflu, internet, 2007.

4.Bg3 Ne7

5.c3 Ba5 6.d4 d6 7.Qb3 (7.e4 0–0=) 7...Bf5 (7...d5 8.Nf3=) 8.Nd2 (8.Qb7? Nbc6 9.d5 Rb8 10.dc6 Rb7 11.cb7 Qb8–+) 8...Bb6 (8...d5!?=) 9.e4+= Bg6 10.Bc4 c6 11.Ngf3 d5 12.Bd3 0–0 13.0–0 Kh8 14.c4 de4+= 15.Ne4 Be4 16.Be4+/– Bd4? 17.Rfd1?? Ba1= 18.Rd8 Rd8 19.Qb7?? Rd1 (20.Ne1 Re1) 0–1. gtate (1960) – epprecht (2025), net–chess.com, 2006.

5.c3 Ba5 6.d4 Nf5 7.e4 Ng3 8.hg3 Qe7? (8...g6 9.Qg4+=) 9.Bd3?? (better is 9.Qh5!? Kd8 10.Qa5 Qe4 11.Ne2+–) 9...d5? (9...Nc6=) 10.f3?? (better is 10.Qh5 Qf7 11.ed5+/–) 10...de4=+ 11.fe4 (11.Be4 f5 12.Qa4 Nc6–/+) 11...f5 (better is 11...Nc6=+) 12.Nd2?? (better is 12.Qa4 Nc6 13.d5 fe4 14.Bb5+=) 12...fe4 13.Ne4? (13.Qh5 Kd8 14.Qd5 Nd7 15.Qe4 Bc3 16.Qe7 Ke7–+) 13...Bf5 (13...Bc3 14.Kf1 Ba1 15.Qa1–+) 14.Qe2? (14.Kd2!? Be4 15.Qh5 Kd8 16.Qa5=+) 14...Be4–+ 15.Qe4 Bc3 16.Ke2?? (16.Kd1 Ba1 17.Qb7 Qe3 18.Bg6 Ke7 (18...hg6?! 19.Rh8 Ke7 20.Qb4 Kd7 21.Qb5 Nc6 22.Qd5 Ke7 23.Qc5 Kf7 24.Qc4 Ke7 25.Qc5 Kd7 26.Qd5 Ke7 27.Qc5=) 19.Qa8 Rd8 (19...hg6 20.Rh8 Qg1 21.Ke2 Qd4 22.Qb8 Qc4 23.Kd1 Qf1 24.Kd2 Qg2 25.Kd1 Qg3 26.Re8 Kf7 27.Rf8 Ke6 28.Re8 Kd7 29.Qd8 Kc6 30.Re6 Kb5 31.Qd7 Kb4 32.a3 Kb3 33.Qd5 Ka3 34.Ra6 Kb4 35.Qe4 Bd4 36.Qd4 Kb5 37.Qa4 Kc5 38.Qc6 Kd4 39.Ra4 Ke5 40.Qc7 Kf6 41.Qg3 g5 42.Qf3 Ke5 43.Re4 Kd6 44.Qd3 Kc6 45.Rc4 Kb6 46.Qb3 Ka5 47.Ra4; 19...Qd4?! 20.Ke2–+) 20.Qe4 Qe4 21.Be4 Rd4 22.Kc2 Re4 23.Rh7 Rb4–+) 16...Qe4 (better is 16...Ba1 17.Nf3 Bc3–+) 17.Be4 Ba1 18.Bb7 0–0 19.Ba8 Re8 (better is 19...Bd4!? 20.Bd5 Kh8–/+) 20.Kd3= Na6 21.Bb7 (21.Bd5 Kh8 22.Nf3 Nb4 23.Kc4 Nd5 24.Kd5 Rd8 25.Kc4+=) 21...Nb4–/+ 22.Kc4 Nc2 (better is 22...Re1!? 23.Kb4 Bd4 24.Bd5 Kh8–/+) 23.Nf3= Rb8 (better is 23...Bb2=) 24.Be4+/– Rb4? (better is 24...Na3!? 25.Kd3 Rb1 26.Bh7 Kf8 27.Rb1 Nb1+/–) 25.Kd3 Nd4 26.Bh7 Kf8 27.Nd4?? (better is 27.Ra1 Nb5 28.Rc1+–) 27...Rd4 28.Ke3 Rb4?? (28...Bb2 29.Be4=+) 29.Rf1?? (29.Ra1 Ke7+–) 29...Ke8?? (better is 29...Bf6=+) 30.Bg6 Kd8 31.Rd1 Kc8 32.Ra1 Rb6 33.Bd3 Re6 34.Kd2 Rf6 35.Bf5?? (35.a3 Kd7+–) 35...Kb7?? (35...Rf5 36.Ke3–/+) 36.Ke3?? (36.Rb1 Kc6 37.Be4 Kd6+–) 36...Kc6?? (better is 36...Rf5 37.Rb1 Kc6–/+) 37.g4 Rf8 38.Rc1 Kb6 39.Kf4 (better is 39.Rb1 Kc6 40.Be4 Kd7 41.Rb7+–) 39...g6 40.Kg5 (better is 40.Rb1!? Kc6 41.Re1 gf5 42.gf5+–) 40...gf5+/– 41.gf5 Rg8 42.Kh6 Rg2 43.Kh7 c6 44.f6 c5 (44...Rh2 45.Kg7 Rg2 46.Kf8 Kc7+–) 45.Rb1 Kc6 46.f7 Rf2 47.Kg7 Rg2 48.Kf8 Rf2 49.Ke8?? (better is 49.Rg1 Ra2 50.Rf1+–) 49...Re2= 50.Kf8 Rf2 51.Rb6?? (51...ab6 52.Ke7–+; better is 51.Rg1+–) 1–0. slavisa99 – kilmer49, Live Game Caissa's Web, 2004.

5.c3 Ba5 6.e3 Bb6 (6...d5 7.Bd3=) 7.d4+= c6 (7...d5 8.Bd3+=) 8.Qg4 (8.Qh5 g6 9.Qf3 Nf5+=) 8...0–0= 9.Bd6 Bc7 10.Bc4 Kh8 11.Bc7 Qc7 12.Qg3 (12.Bd3 d5 13.Qh5 g6=) 12...Qg3 (12...Qd8!?=) 13.hg3+= d5 14.Be2 Bf5 15.Nd2 b5 16.a4 ba4 17.Ra4 Nd7 18.Ra6 c5 19.g4 Bg6 20.Bb5 Rfd8 21.Re6 Nc8 22.Ne2 cd4 23.Nd4 Ncb6 24.g5 Re8 25.gf6 Re6 26.fg7 Kg7 27.Ne6 Kf6 28.Bd7+– Nd7 29.Nc7 Rc8 30.Nd5 Ke6 31.Nf4 Kf6 32.Ke2 Rc3?? 33.Nd5 (33…Kg7 34.Nc3+–) 1–0. guest6771 – guest1594, ICC, 2005.

5.c3 Ba5 6.e4 0–0 7.Bc4 (7.Qa4 Bb6=) 7...Kh8 (7...d5!? 8.ed5 Nd5=) 8.Qh5+= Nbc6 9.Nf3 Qe8 10.Qe8 Re8 11.0–0 Ng6 12.d4 (12.Bd5!?+=) 12...Re4=+ 13.Nbd2 (13.Bd3 Re7=+) 13...Re7 14.Rac1 d6 15.Nb3 Bb6 16.Rfe1 Bd7 17.Bd3 Rae8 18.Kf1 Kg8 19.Nfd2 Re1 20.Re1 Re1 21.Ke1 Be6 22.Nc4 Kf7 23.Nb6 ab6 24.Kd2 Na5 25.Na5 ba5 26.c4 Ne7 27.f4 d5 28.c5 Nc6 29.f5= Bc8 30.Kc3 Nb4 31.Bb1 Na6 32.a3 b5 33.cb6 cb6 34.Bd3 Ke7 35.Bb5 g6 36.fg6 hg6= 37.Bc6 Ke6 38.h4 Bd7 39.Bb7 Bb5 40.a4 (40.Bc8 Ke7=). Crevillen Abad,Clemente – Monzo,J, Santomera op, 1993.

5.Nf3 Nbc6 6.c3 Bc5 (6...Ba5 7.Qb3=) 7.d4= Bd6 (7...Bb6 8.e4=) 8.e3 Bg3 9.hg3 h6 (9...d5 10.c4+=) 10.Bc4 (10.d5 Na5+=) 10...d5 11.Bd3 Bg4 (11...Bf5 12.Bf5 Nf5 13.Nbd2+=) 12.Nbd2+= Qd7 13.Qc2 0–0–0 14.Nh4 g5 15.Ng6 Ng6= 16.Bg6 f5 17.f3+= Rhg8? 18.0–0–0?? Bf3?? 19.Bf5+– Bd1 20.Bd7 Rd7 21.Kd1 Re7 22.Qd3 Re6 23.Qh7 Rge8 24.Nf1 (24...Rf8 25.e4 Re4 26.Qh6+–) 1–0. gregorgysi (2250) – jacksrking, net–chess.com, 2009.

5.h3 Nf5 6.Bh2 Bd6 (6...0–0!?–/+) 7.Bd6= Nd6 (worse is 7...cd6 8.Nc3+/–) 8.Nf3 b6 9.e3 Bb7 10.c4 (10.Nc3 0–0=) 10...0–0 11.Be2 Nf7 (11...Nc6!?+=) 12.Nc3+= d5? (12...Nc6!?+=) 13.cd5 (13.Nd4 Re8 14.cd5 c6+/–) 13...Bd5 14.Nd5 Qd5 15.Qc2 c5 16.Bd3 Ne5?? (better is 16...Nd6 17.Bh7 Kh8+/–) 17.Bh7+– Kh8 18.Be4 Nf3 19.Bf3 Qe5 20.0–0 (better is 20.d4!? cd4 21.Ba8 d3+–) 20...Nd7 21.d4 Qe7 (21...Qe6 22.Ba8 Ra8 23.Rfd1+–) 22.Ba8 Ra8 23.Rfd1 Rc8 24.dc5 (24.Rac1 Qe6+–) 24...Nc5 25.Rd4 Qe5 (25...Kg8 26.Rad1+–) 26.Rad1 Re8 (26...Kg8 27.Qc4 Qe6 28.Qe6 Ne6 29.Rd7+–) 27.Qg6 (better is 27.Rh4 Kg8 28.Qh7 Kf7 29.Rg4+–) 27...Qe7 (27...Kg8 28.Rd8 Kf8 29.h4+–) 28.Qe8! Qe8 29.Rd8 Qd8 30.Rd8 Kh7 31.h4 Kg6 (31...g5 32.hg5 fg5 33.Rc8+–) 32.g4 Kf7 33.f4 a5 (33...Ke6 34.Re8 Kf7 35.Rc8+–) 34.h5 Ke7 (34...Na4 35.Rb8+–) 35.Rg8 Kf7 36.Rb8 Na4 (36...Nd7 37.Rb7 Ke6 38.Kf2+–) 37.Rb7 Kf8 (37...Kg8 38.a3 Kh7 39.Kf2+–) 38.a3 Kg8 (38...Nb2 39.Rb6 Nc4 40.Rb3+–) 39.Kg2 Kh7 (39...Nb2 40.Rb6 Nc4 41.Rb3+–) 40.Kf3 Kh6 (40...Kg8 41.e4 Kf8 42.Ke3+–) 41.Rb8 (better is 41.e4 Nc5 42.Rb6 Na4+–) 41...Kh7 (41...g6+–) 42.g5 fg5 43.fg5 Nc5 (43...g6 44.h6 Nc5+–) 44.g6 1–0. Drazic,Sinisa – Ajrula,Adnan, Karpos Open, 2017.

3.Be5 Kf8

4.a3 Nc6 5.ab4 Ne5 +=.

4.a3 Be7 =.

4.c3 Ba5 5.e3 Qe8 (Better is 5...d6!? 6.Bf4 Nf6+=) 6.Bg7–/+ Kg7 7.Qg4 Kf8 8.Qd4 f6 9.Qc5 d6 10.Qa5 b6 11.Qd5 c6 (Better is 11...Nc6!?–/+) 12.Qd6+– Ne7? (12...Qe7 13.Qf4 Ke8+–) 13.Qf6 (13...Kg8 14.Bc4 Nd5 15.Bd5 cd5 16.Qg5 Kf8 17.Qd5+–) 1–0. Wall,Bill – Guest3555, Internet, 2002.

4.c4 Nc6 5.Bb2 d5 6.cd5 Qd5 7.Nc3 Qf5 8.e4 Qg6 9.Bd3 Qg2–+ 10.Qf3 Qf3 11.Nf3 Bg4 12.Ng5? h6–+ 13.Rg1 Ne5 14.Be2 hg5 15.Nd5 Bd6 16.d4 Nf3 17.Bf3 Bf3 18.Rg5 Be4 19.Ne3 Re8 20.d5 f6 21.Rg4 Rh2 22.Ke2 Bd5 23.Rc1 Nh6 24.Ra4 Nf5 25.Rc3 b5 26.Ra7 Bf3! 27.Kd2 Rf2 28.Kc1 Ne3 29.Kb1 Nc4 30.Bc1 Be4 31.Ka1 Be5 32.Ba3 Kg8 (33.Rc7 Bc3 34.Bb2 Bb2#) 0–1. tschulz – doctordot2004, internet, 2004.

4.Nf3 Nc6 5.a3 Ne5 6.Ne5 =.

4.Nf3 d6 5.Bb2 Nc6 6.e3 Bg4 7.Be2 Bf3 8.Bf3 (8.gf3?! d5=) 8...Nge7 9.0–0 Kg8 10.d3 Kf8 11.c4 Nf5?? (11...Kg8 12.Be4+/–) 12.Nc3 (better is 12.Bc6 bc6 13.Qg4+–) 12...Bc3 13.Bc3 Kg8? (better is 13...Nfe7+–) 14.Rb1 Rb8 15.Be4 (15.Bc6!? bc6 16.Qg4 g6+–) 15...Nh6 16.a4 Qc8 17.d4 (17.Bc6 bc6 18.Qh5 Ra8+–) 17...Qd7 (better is 17...Ne7!?+/–) 18.Qf3+– Nd8 19.Bb7 Qa4 (19...Kf8 20.Ba6 Rb1 21.Rb1 Qa4 22.Qa8+–) 20.Be4 (better is 20.Bc6! Qb3 21.Rb3 Rb3 22.Ba5+–) 20...Rb1 21.Rb1 Ne6?! (21...Kf8 22.Rb8 Ke7+–) 22.Rb8 Nf8 23.Qe2 (23.Bd3 f6 24.Qd5 Nf7+–) 23...c5? (23...a6+–) 24.dc5 dc5 (24...Qd7 25.Qd3 Ng4 26.Qd6 Qd6 27.cd6 Nf6 28.Bf6 gf6+–) 25.Bc2 (25.Qd3 f6 26.Qd8 Qd1 27.Qd1 Nf7 28.Qd7 g6 29.Qe7 h5 30.Qf8 Kh7 31.Qf7 Kh6 32.Qg6) 25...Qc6 26.Qd1 Qc7 27.Re8 Qc6?? (27...f6+–) 28.Qd8 Qe8 29.Qe8 (29.Qe8 Ng4 30.Qe7+–) 1–0. algernon (2275) – chessnaif (2260), net–chess.com, 2013.

4.Nf3 Nf6 5.c4 Nc6 6.Bb2 Kg8 7.e3 Ne4 8.Bd3 Nc5= 9.Bc2 d5 10.a3 Ba5 11.0–0 dc4–/+ 12.Nc3 Bg4 13.h3 Bf3 14.Qf3–+ Ne5 15.Qd5 Qd5–/+ 16.Nd5 c6 17.Nb4 Rd8?? 18.Be5+– Rd2 19.Bf5 Nd7 20.Bd7 Rd7 21.Rfd1 Rd1 22.Rd1 h6 23.Rc1 c5 24.Nd5 Kh7 25.Rc4 Re8 26.Bg3 b6 27.Kf1 b5? 28.Rc5 Bb6 29.Nb6 ab6 30.Rb5 Ra8 31.Rb3 b5 32.Bd6 Ra6 33.Bb4 g5 34.g4 Rc6 35.Rc3 Rc3 36.Bc3 h5 37.Kg2 Kg6 38.e4 hg4 39.hg4 f6 40.Kf3 Kf7 41.Ke3 Ke7 42.Kd4 Kd6 43.Bb4 Ke6 44.f3 Kf7 45.Kc5 1–0. bostvinnik – jsivage (1775), net–chess.com, 2005.

3.Be5 Bf8

4.c3 d6 5.Bg3 Nf6 6.e3 Bd7 (6...Be7 7.d4=+) 7.d4 Bc6 8.Nf3 Ne4 (8...Be7 9.Nbd2=) 9.Bd3 Ng3 10.hg3 Qf6 11.Nbd2 Nd7 12.Qb3 (12.Bh7 g6 13.Qb3 d5–/+; 12.Rh7 Rh7 13.Bh7 g6–/+) 12...Nb6 13.a4 (< 13.Rh7 Rh7 14.Bh7 g6=+) 13...Bf3 (better is 13...a5!?+=) 14.Nf3 c5? (better is 14...Qe6!? 15.Qe6 fe6+/–) 15.a5 Nd7 16.Qb7 Rb8 17.Qa7 Be7 18.a6 Qe6 19.Qc7 0–0 20.Bh7 Kh8 21.Bf5 (21...Qh6 22.Rh6 gh6 23.Qd7+–) 1–0. slavisa3 – oooo, Live Game Caissa's Web, 2004.

4.Nc3 Nc6 5.Bf4 d5 6.Nb5+= Bd6 7.Nd6 cd6 8.Nf3 Nf6 9.e3 0–0 10.d4 h5 11.Bd3+/– Ne7 12.0–0 Ng6 13.Bg6 fg6+/– 14.Qd3 Bf5 15.Qa3 Rf7 16.c4 dc4= 17.Bd6 Rd7 18.Be5 Ng4 19.Rac1 Rc8 20.h3 Ne5 21.Ne5+/– Rd5 22.Qa7 c3 23.Qb7 Rc7 24.Qb3 c2 25.Nd3 (25...Kh7 26.Rc2 Rc2 27.Qc2+–; 25.Rfe1!? Be6+–) 1–0. Wall,Bill – Ganlin, internet, 2001.

4.Nc3 d6 5.Bf4 c6 6.e3 d5 7.Nf3 Nd7 8.d3?? Bb4–+ 9.Qd2 Qa5 10.Ke2 Bc3 11.Qc1 Ba1 12.Qa1 Ngf6 13.Ne5 0–0 14.f3 Nh5 15.Bg5 Ne5 16.Qe5 f6 17.Bf6 Nf6 18.Qb2 b5 19.g3 b4 20.Bg2 Kh8 21.g4 c5 22.h3 Re8 23.f4 Rb8 24.Bf3 d4 25.e4 Nd5 26.f5 Nc3 27.Kf2 Qa2 28.Qa2 Na2 29.Ra1 Nc3 30.Ra7 b3 31.cb3 Rb3 32.Rc7 Ba6 33.Rc5 Bd3 34.e5 Ne4 35.Be4 Be4 36.Rc4 Rd3 37.h4 h6 38.f6 gf6 39.ef6 Rf3 40.Kg1 d3 41.g5 hg5 42.hg5 d2 43.Rd4 Rd3 44.Rd3 Bd3 45.f7 Rf8 46.g6 Bg6 47.Kf2 d1Q (48.Kg3 Kg7 49.Kf4 Rf7 50.Ke5 Rf5 51.Ke6 Qd5 52.Ke7 Re5) 0–1. mickster the king – erch, ChessWorld.net, 2005.

4.e3 a6 5.d4 Nc6 6.Bf4 d5 7.Nf3 Nf6 8.Bd3 Be7 9.c3 Nh5 10.Be5 0–0 11.Qc2 g6 12.Bg3 Re8 13.Nbd2 Rb8 14.Rb1 Ng3 15.hg3 Be6 16.Ke2 Bf8 17.a4 a5 18.Rb5 Bg7 19.Kf1 b6 20.Rb2 h6 21.Bb5 Bd7 22.Qb3 Ne7 23.Bd7 Qd7 24.Kg1 Qe6 25.Rb1 c6 26.c4 dc4 27.Qc4 Nd5 28.Rh4 Nb4 29.Qe6 ½–½. Mosley,Gene – Denecke,Hans, DESC, 2005.

4.e4 Nf6 5.Nc3 Be7 6.Bc4 0–0 7.Nf3 d6 8.Bg3 c6 9.0–0 d5 (9...b5 10.Bd3=+) 10.ed5= cd5 11.Bd3 d4 12.Nb5 a6 (12...Nc6!?=) 13.Nbd4+/– Bg4 14.h3 (White begins to deal mighty blows) 14...Bf3 15.Nf3 Nd5 (15...Bd6 16.Bh4+/–) 16.Qe2 Re8 (16...Nc6!?+/–) 17.Qe4+– g6 18.Bc4 Nc7? (better is 18...Nb6 19.Qb7 N8d7+–) 19.Ne5 (19.Qb7 Bd6 20.Ng5 Re7 21.Nf7 Rf7+–) 19...Rf8 (19...Kg7 20.Nf7 (< 20.Bf7 Rf8+–) 20...Bf6 21.Qb7+– (21.Nd8?! Re4 22.Bd3 Re8 23.Bc7 Bd8+–)) 20.Ng6! (20...Re8 21.Ne5+–) 1–0. Wall,Bill – BigDaddy, Internet, 2002.

4.Nf3 f6 5.Bb2 d5 6.d3 Nc6 7.e3 Bd6 8.d4 Be6 9.Bb5 Nge7 10.0–0 a6 11.Be2 Na5 12.Bc3 c6 13.Qd2 Nc4 14.Bc4 dc4 15.e4 0–0 16.e5 fe5=+ 17.de5 Bc7 18.Qe2 Nd5 19.Bb2 Nf4–+ 20.Qe3 Bd5 21.Nbd2 Ng2! 22.Kg2 Bb6 23.Bd4 Bd4 24.Qd4 Rf3! 25.Ne4 c5! 26.Qd5 Qd5 27.Kf3 Rf8 (28.Kg3 Qe5 29.f4 Qe4–+) 0–1. 73DADDELDU37 – Antaeus, mySchach.de, 2005.

4.g3 d6 5.Bb2 Nc6 6.Bg2= Nf6 7.Bc6 bc6=+ 8.Nc3 c5 9.d3 Bb7 10.f3 d5 11.e4 d4 12.Nce2 Bd6 13.h3 0–0 14.f4 Nh5 15.e5?? Be5! 16.fe5 Bh1 17.Nf4 Ng3 18.Qg4 Nf1?? 19.Kf1 f6 20.Ne6 fe5 21.Ke2 Qf6 22.Re1?? Qf2 23.Kd1=+ Rf7 24.Re2 Qf6 25.Bc1?? Bd5 26.Ng5–/+ Rff8 27.Bd2? Rab8–+ 28.N1f3 Bf3 29.Nf3 Qf3 30.Qf3 Rf3 31.Re5 Rh3 32.Rc5 Rb1 33.Bc1 Rh1 34.Kd2 Rbc1 35.Rc7 Rcd1 36.Ke2 Rhe1 37.Kf3 Re3 38.Kg4 Rd2 39.Ra7 Rc2 40.a4 Rh2 41.a5 h5 42.Kf4 Rh4 43.Kg5 Rg4 44.Kh5 Rg1 45.a6 Rh3# 0–1. baudrey – ParSec, Live Game Caissa's Web, 2004.

4.c4 Nc6

5.Bb2 Nf6 6.e3 Be7 7.Nf3 0–0 8.Be2 d5 9.0–0 Be6 10.Ng5 (10.cd5 Nd5 11.Nc3 Qd7=) 10...Bf5 11.d4 h6 (11...dc4 12.Bc4 Na5 13.Bd3 Bd3 14.Qd3=) 12.Nf3 Be4 (12...Qd6 13.Nc3=) 13.Nc3+= Bg6 (13...Bf5 14.Ne5+=) 14.Rc1 b6? (14...dc4 15.Bc4 Bd6 16.d5+=) 15.cd5 (better is 15.Ne5 Ne5 16.de5+–) 15...Nb4? (better is 15...Nd5 16.Bb5 Nc3 17.Rc3 Nb4+/–) 16.Ne5+– Be4 (16...Bh7 17.Bf3 Nd7 18.e4+–) 17.a3 (better is 17.Ne4!? Ne4 18.f3 Nf6+–) 17...Nbd5 18.Ne4 Ne4 19.Qc2 f5? (19...Ng5 20.h4 Ne6 21.Qf5+–) 20.Nc6 (better is 20.Bc4 Bg5 21.Qb3+–) 20...Qd7 21.Qb3 (21.f3 Bg5 22.fe4 Be3 23.Kh1 Bc1 24.Rc1 fe4 25.Qe4 Rae8+–) 21...Kh7 22.Bf3 (22.Ne5 Qd6 23.Rfd1 Qe6+–) 22...Bf6 (22...Bd6 23.Rfd1+/– (23.Qd5?? Bh2 24.Kh2 Qd5–+)) 23.Qc2 (23.Rfd1 Kh8+/–) 23...Rfe8 (23...Ng5 24.Bd5 Qd5 25.Nb4+/–) 24.Ne5+– Be5 25.de5 Ng5 (25...c5 26.g4 g6 27.gf5 gf5 28.Be4 Rg8 29.Kh1 fe4 30.Qe4 Rg6 31.Rg1+–) 26.Bg4 (better is 26.Bd5!? Qd5 27.Qf5 Kh8 28.f4+–) 26...g6+/– 27.Be2 c5?? (better is 27...Rad8+/–) 28.Rfd1+– Qc6 (28...Rad8 29.Qb3 Qb7 30.Rc5+–) 29.Qb3 Red8 30.h4 (30.Bb5 Qb7 31.Bc4 Ne3 32.fe3 Qe7+–) 30...Ne6 31.Bf3 Nec7 32.e4 fe4 33.Be4 h5 34.Qf3 (34.Qg3 Rd7+–) 34...Kg8 35.Qg3 Kf7 (35...Qe6 36.Bg6 Qg4 37.Qg4 hg4 38.g3+–) 36.Qg5 (36.Rc2 Qe6 37.Rcd2 Kf8+–) 36...Qe6 37.Rd3 Kg7 (37...Rg8+–) 38.Rg3 Ne7 39.Qf6 (39.f4 Kf8 40.f5 Nf5+–) 39...Kg8 (39...Kh7 40.Re1+–) 40.Bg6 (better is 40.Qf3 Kg7 41.Qh5 Ncd5+–) 40...Qf6 41.ef6 Ng6 42.Rg6 Kf8 43.Re1 (43.Rh6 Ne6 44.Rh5 Kf7+–) 43...Re8 (43...Ne6 44.Rh6 (44.Re6?! Kf7=) 44...Kf7 45.Rh5+–) 44.Re3 (44.Be5 Ne6 45.Rh6 Kf7 46.Rh7 Kg6+–) 44...Re3 45.fe3 Ne6 (45...Re8!? 46.Rg5 Re3 47.Rh5 Ne8+–) 46.Rh6 (46.Kf2 c4 47.Rh6 Kg8 48.Rh5 Rc8+–) 46...Rd8 47.Rh5 Rd2 (47...Kg8 48.Kf1 Rd2 49.Be5+–) 48.Be5 Re2?? (better is 48...Kg8+–) 49.Rh7 (better is 49.Rh8 Kf7 50.Rh7 Kg6 51.Re7+–) 49...Re3 (49...Rd2 50.Re7 Nd8+–) 50.Bd6 Kg8 51.Re7 (better is 51.Rd7 Nf8 52.Rg7 Kh8 53.Bf8 Re1 54.Kf2+–) 51...Re2 1–0. Beljdy,Alexander (1920) – Chernoev,Yakov (1920), Novosibirsk June– Open, 2010.

5.Bb2 Nf6 6.Nf3 Be7 (6...d5 7.cd5 Nd5 8.e4=+) 7.d4 (7.e4 0–0 8.Nc3 Bb4=+) 7...d5=+ 8.c5 (8.cd5 Qd5 9.e3 0–0=+) 8...Bf5 9.a3 0–0 10.e3 b6 11.cb6 ab6 12.Bd3 Bd3 13.Qd3 Na5 14.Nbd2 Bd6 15.0–0 Qd7 16.Ne5 Qe6 17.f4 h6 18.Rfb1 Ne4 19.Ne4+= de4 20.Qe4 f6 21.d5 Qe8 22.Rd1 fe5 23.fe5 Bc5 24.Kh1 Qf7 25.Bd4 Bd4–+ 26.Qd4? Nb3 27.Qb2 Na1 28.Qa1 Ra3 29.Qc1 Qf2 30.e6 Ra2 31.Rg1 Re2 32.e4 Re4 33.d6 cd6 34.e7 Re7 35.Qc4 Kh8 36.Qc1 d5 37.h3 d4 38.Qd1 Re2 39.Kh2 Rfe8 40.Qc1 Qf4 41.Qf4+– (41...d3 42.Qd6+–) 1–0. M8IN3 – jess, Live Game Caissa's Web, 2005.

4.c4 d6

5.Bb2 c5 6.e3 Nc6 7.Nf3 Bg4 8.Be2 Nf6 9.Bf6 Qf6 10.Nc3 Be7? (better is 10...Qd8=) 11.Nd5+– Qb2 12.Nc7 (12.Nc7 Kd7 13.Na8 Ra8 14.0–0+–) 1–0. Groznov,Vladmir – Neil,Charlie, ZN–2010–0–00900, 2010.

5.Bc3 Be6 6.e4 Nd7 7.Nf3 Ne7 8.d4 Ng6 9.d5 Bg4 10.h3 Bf3 11.Qf3 Nde5 12.Qd1 Qd7 13.Nd2 f6 14.Rb1 b6 15.Be2 Be7 16.0–0 0–0 17.f4+/– Nf7 18.Bg4 Qd8 19.Be6 Kh8 20.Qh5 Qe8+/– 21.Bf5 Nd8? 22.Nf3 Kg8 23.Nh4 Nf7 24.Ng6 Nh6 25.Be6 Rf7 26.Bf7 Qf7 27.Ne7 Qe7 28.Rfe1 (28...Nf7 29.a3+–; 28.e5 de5 29.fe5 Nf7+–) 1–0. Wall,Bill – Schastliv, internet, 2001.

4.e3 Nc6

5.Bb2 d5 6.Bb5 Bd7 7.Nf3 Bd6?? 8.Bg7+– Qg5 9.Ng5 (9...Be5 10.Qh5+–) 1–0. Roookie – 4000, Live Game Caissa's Web, 2004.

5.Bb2 d5 6.Nf3 Nf6 7.Be2 Bd6 8.0–0 0–0 9.c4 dc4 10.Bc4 Bg4 11.d4 Re8 12.Nc3 Ne4 13.Nb5 Bf3 14.Qf3+= Qe7 15.Nd6 cd6 16.Rfd1 Nf6 17.Ba3 Qd7 18.Bd3 d5 19.Bf5 Qc7 20.Rdc1 Qa5 21.Bc5 Rad8 22.Rab1 b5 23.Qe2 a6 24.a4 b4 25.Qd2 Qa4 26.Ra1 Qb5 27.Bd3 Qb8 28.Ra6 Ng4? 29.g3 Ne7? 30.Rb6+– Qc7 31.Rb4 Rb8 32.Rcb1 Rb4 33.Qb4 Ng6 34.Qb7 Qa5 35.Bg6 hg6 36.Qd5 Qd2 37.Qg2 g5 38.h3 Qc2 39.Rf1 Nf6 40.Qc6 Qh7 41.Kg2 Qc2 42.d5 g4 43.hg4+– Qe4 44.f3 Qd5 45.Qd5 Nd5 46.e4 Nc7 47.Rc1 Ne6 48.Be3 Ra8 49.Rc2 Ra4 50.g5 Kh7 51.e5 Kg6 52.f4 Kf5 53.Kf3 Nd4 54.Bd4 Rd4 55.g4 Ke6 56.Rc7 g6 57.Ke3 Rd1 58.Rc6 Ke7 59.Rc4 Rg1 60.Kf3 Ra1 61.f5 Rf1 62.Ke4 Re1 63.Kd5 Rd1 64.Rd4 Ra1 65.f6 Kd7 66.Ke4 Ke8 67.Rb4 Ra7 68.Kd5 Ra5 69.Kd6 Ra6 70.Kc7 Ra7 71.Kb6 Ra1 72.Rc4 Rb1 73.Kc6 Ra1 74.Kd5 Kd7 75.Rd4 Rc1 76.e6 fe6 77.Ke5 Ke8 78.Ke6 Re1 79.Kd6 Ra1 1–0. Sass,Andreas – Wilms,Ralf, Pinneberg–ch op, 1991.

5.Bb2 Nf6 6.Nf3 d5 7.Be2 Bf5 8.0–0 Be7 9.d3 Qd7 10.Nbd2 0–0 11.Nb3 Rfe8 12.Nbd4 Nd4 13.Nd4 c5 14.Nf5 Qf5 15.Bf3 Rad8 16.Qb1 b6 17.c4 dc4 18.dc4 Qb1 19.Rfb1 Rd2 20.Bc3 Rc2 21.Rc1+= Rc1 22.Rc1 Rd8 23.e4 Ne8 24.e5 Bg5 25.Rd1 Rd1 26.Bd1 g6 27.g3 Ng7 28.f4+/– Bd8 29.Kf2 Ne6 30.Ke3 Kf8 31.Bf3 Bc7 32.Bd5 Ke7 33.g4 Bd8 34.f5 gf5 35.gf5 Nc7 36.Ke4 Ne8 37.f6+– Kf8 38.Bd2 Nc7 39.Bh6 Kg8 40.Kf5 Nd5?? 41.cd5 b5 42.e6 (42...a6 43.e7 Be7 44.fe7 c4 45.e8Q#) 1–0. Woelfelschneider,Peter – Neil,Charlie, FICGS, 2006.

5.Bb2 Nf6 6.Nf3 d5 7.h3 Be7 8.Be2 Bf5 9.d3 a6 (9...0–0 10.0–0=) 10.a3 0–0 11.0–0 h6 (11...Qd6 12.Nh4 Be6 13.Nf3=+) 12.Nc3 Nh7 13.Nd4 (Better is 13.e4!? de4 14.de4=) 13...Nd4–/+ 14.ed4 Bh4 15.Bg4 Bg4 16.Qg4 f5 17.Qf3 c6 18.Bc1 Bg5 19.Bf4 Bf4 20.Qf4 Ng5 21.h4 (21.Ne2!?=) 21...Ne6–/+ 22.Qe3 Re8 23.Rfe1 Qh4 24.Qe6?? Re6 25.Re6 Qd4 26.Ne2 (26.Rb1 Qc3 27.Rb7–+) 0–1. Anden – PoPer, Live Game Caissa's Web, 2004.

5.Bb2 Nf6 6.Nf3 h6 7.Be2 b6 8.0–0+= Bb7 9.c4 g6 10.d4+/– Bg7 11.Nbd2 0–0+= 12.Rb1 Re8 13.a3 d6 14.Qc2 Ne7 15.Bd3 Rc8 16.e4 c5 17.d5+/– Nd7 18.Bg7 Kg7 19.Qc3 f6+= 20.a4 a5 21.Nb3 Rb8 22.Nc1 Rf8 23.Ne2 Ne5 24.Ne5 de5 25.f4 Qd6 26.fe5 fe5+= 27.Nf4 Kg8 28.Nh3 Rf1 29.Rf1 Rf8 30.Rf8 Kf8 31.Nf2 Bc8 32.Bc2 Ng8 33.Nd3+– Nf6 34.Qe5 Qe5 35.Ne5 g5 36.h3 Ke7 37.Nc6 (37...Kf7 38.e5+–) 1–0. Pohl,Manfred – Staresina,Mirko, Bahn–chG Fuessen, 1993.

5.Bf4 Nf6 =.

4.e3 d6

5.Bb2 a6 6.Nf3 Nd7 7.c4 Ngf6 8.Nc3 Nc5 9.d4+= Ncd7 10.Bd3 Be7 11.e4 c6 12.0–0 Nf8 13.Rb1 Bg4 14.h3 Bf3 15.Qf3 Ng6 16.Rfe1 Qc7 17.a4 0–0 18.Bc1 a5 19.Be3 Bd8 20.Qg3 Be7 21.Rb2 Bd8 22.Reb1 Rb8 23.Rb3 Nh5 24.Qg4 Nf6 25.Qe2 Nh8 26.Qb2+– b5 27.ab5 c5 28.b6 Qb7 29.dc5 (29...dc5 30.Bc5+–) 1–0. jasa – boknoy, ChessWorld.net, 2002.

5.Bb2 f6 6.Bd3+= Nh6 7.Qh5 g6 8.Qh4 Bg7 9.Qe4+= Qe7 10.Qe7 Ke7 11.Nc3 c6 12.Nf3 Bg4 13.Nd4 Nd7 14.f3 Be6 15.Rb1 Nb6 16.a4 Rab8 17.a5 Nd5 18.a6 c5 19.Ne6+/– Ke6?? 20.Bc4+– b5 21.Bd5 Kd7 22.Kf2 Kc7 23.Bb7 b4 24.Nb5 Kd7 25.Ra1 Nf5 26.Na7 Kc7 27.e4 Ne7 28.Nb5 Kb6 29.Nd6 Rhd8 30.Nc4 Ka7 31.Ra5 Bf8 32.Rc5 Ng8 33.Rc7 Rb7 34.Rb7 Ka6 35.Rb6 (35...Ka7 36.Ra1#) 1–0. b4_player – opponent, gamecolony.com, 2007.

5.Bb2 Nf6 6.Be2 Be7 7.Nf3 0–0 8.0–0 Bf5 9.d3 Nc6 10.c4 d5 11.Nbd2 Nb4 12.cd5 Qd5?? d3 13.e4+– Be4 14.de4 Ne4 15.Ne4 Qe4 16.Nd2 Qg6 17.Qb3 Bd6 18.a3 Qh6 19.Nf3 Rae8 20.Bc4 Nc6 21.Rae1 Rb8 22.Bc1 Qh5 23.Re4 Na5 24.Qc2 Nc4 25.Rh4 Qg6 26.Qg6+/– hg6 27.Rc4 b5 28.Rc6 b4? 29.ab4+– Rb4 30.Ba3 Rb6 31.Rb6 ab6 32.Bd6 cd6 33.Nd4 d5 34.Rb1 Rc8 35.Kf1 Rc4 36.Ne2 d4 37.Rc1 Rb4 38.Ke1 d3 39.Rc8 Kh7 40.Nc1 Rb1 41.Rc3 b5 42.Kd1 b4 43.Rd3 Rb2 44.Rd2 Rd2 45.Kd2 Kh6 46.Ne2 Kg5 47.Kc2 Kf5 48.f3 Ke5 49.Kb3 f5 50.Kb4 Kf6 51.h4 Kf7 52.Kc4 Kf6 53.f4 Ke6 54.Kc5 Kf6 55.Kd5 Kf7 56.Ke5 Kg8 57.Ke6 Kh7 58.Kf7 Kh6 59.g3 Kh7 60.Nd4 Kh6 61.Kg8 Kh5 62.Kg7 Kg4 63.Kg6 Kg3 64.Nf5 Kf4 65.h5 Kg4 66.h6 Kf4 67.h7 Ke5 68.h8Q Kf4 69.Qd4 Kf3 70.Qe3 Kg2 71.Qf4 Kh1 72.Qg4 Kh2 73.Nh4 Kh1 74.Qg2# 1–0. Trkn – elammerse, itsyourturn.com, 2000.

5.Bb2 Nf6 6.Nf3 Be7 7.Be2 0–0 8.0–0 Nc6 9.Nc3 d5 10.Rb1 a6 11.d3 b5 12.a4 b4 13.Na2 a5 14.c3 Be6 15.cb4 d4 16.Nc1 Nb4 17.Nd4 Bd7 18.Bf3 Rb8 19.Nde2 c5 20.Be5 Rb6 21.Nc3 Be6 22.d4 cd4 23.Bd4 Bc4 24.Bb6+– Qb6 25.N1e2 Rd8 26.Qc1 Qc5 27.Rd1 Nd3 28.Qc2 Nb4 29.Rd8 Bd8 30.Ne4 Ne4 31.Qe4 Bd3 32.Rd1 Be4 33.Rd8 Qf8 34.Rf8 Kf8 35.Be4 g6 36.g4 Kg7 37.Nd4 f5 38.gf5 gf5 39.Nf5 Kf6 40.Nd4 h6 41.Nb3 Ke5 42.f3 Nd5 43.Bd5 Kd5 44.e4 (44...Ke6 45.f4+–) 1–0. guest2532 – guest1092, ICC, 2003.

5.Bc3 Nf6 6.Nf3 h6 7.Be2 Ne4 8.0–0+= Nc3 9.Nc3 Be7 10.Nd5 c6 11.Ne7 Qe7 12.d4 Nd7 13.Rb1 Nf6 14.c3 Bg4 15.Qb3 b5 16.a4 a6 17.c4 0–0 18.ab5 cb5 19.cb5 Rfb8 20.b6 Ne4 21.Rfc1+– Bf3 22.Bf3 Nd2 23.Qd1 Nb1 24.Ba8 Ra8 25.Qb3 Nd2 26.b7 Rb8?? 27.Rc8 Kh7 28.Qc2 (28...Ne4 29.Rb8+–) 1–0. Wall,Bill – Antonio, Microsoft Gaming Zone, 1999.

5.Bg3 Nc6 6.Nf3 Bf5 (6...Nf6 7.Nc3=) 7.d4 (7.Nc3 Nf6=) 7...Qd7 (7...Nb4 8.Bd3 Qf6 9.Nc3+=) 8.Bd3 Bd3 9.Qd3 0–0–0 (9...Nf6 10.0–0+=) 10.c4 Nf6 11.Nc3 Nb4 12.Qb1 d5 13.a3 Nc6 14.c5 Na5? 15.Qb4 Nc4 16.Rb1 Qc6? 17.Ne5 Qa6?? 18.Nc4 dc4 19.0–0 Nd5 20.Nd5 Rd5 21.Rfc1 b6? 22.Qc4 Qc4+/– 23.Rc4 bc5 24.dc5 Rc5 25.Rc5 Bc5= 26.Rc1 Bb6 27.a4 Rd8 28.Kf1 Rd2 29.Ra1 g6 30.Be5 f5 31.Ke1 Ba5=+ 32.Kf1 g5 33.Rc1 h5 34.h3 f4 35.ef4+/– gf4 36.Bf4 Ra2 37.Rc4 Bb6 38.Be3 Be3 39.fe3 Kd7 40.Rh4 Ra4?? 41.Ra4+– (41...c5 42.Ra7 Kc6 43.Rh7+–) 1–0. slavisa3 – oooo, Live Game Caissa's Web, 2004.

4.e3 Nf6

5.Nf3 d6 6.Bb2 Be7 7.Be2 0–0 8.0–0 c6 9.c4 Be6 10.Qc2 Nbd7 11.Ng5 h6 12.Ne6 fe6 13.d4 d5 14.Nd2 Rc8 15.e4 Bb4 16.e5 Nh7 17.f4 Bd2 18.Qd2 Qe7 19.a4 Rfe8 20.a5 Nhf8 21.Bh5 g6 22.Be2 Qg7 23.Ra3 Re7 24.Rb3 Rc7 25.Ba3+– c5 26.cd5 ed5 27.dc5 Nc5 28.Rb5 Nfd7 29.Rc1 a6? 30.Rcc5 Nc5 31.Rc5 Qf7 32.Bf3 Rc5 33.Bc5 Rd7 34.Bd6 Kg7 35.Bd5 Qf5 36.Bc4 Rd8 37.h3 Qe4 38.Bd5 Qb1 39.Kh2 Qb5 40.Ba2 b6 41.Bf8 (41...Rf8 42.Qd6+/–; better is 41.Qc3 Kh7 42.Be6+–) 1–0. De Visser,Arno – van Lieshout, Hoogoven, 1984.

5.Nf3 d6 6.Bb2 g6 7.Be2 Bg7 8.0–0 0–0 9.d4 Bf5 10.Nbd2 d5 11.c4 c6 12.cd5 cd5 13.Qb3 Qb6 14.Qb6+/– ab6 15.Rfc1 Nc6 16.Bb5 Rac8 17.a4 Ne4 18.Ne4 Be4 19.Nd2 Bf5 20.h3 Na5 21.Ba3 Rc1+/– 22.Rc1 Rd8 23.g4+– Be4?? 24.f3 (24...Bf3 25.Nf3+–; 24.Ne4?! de4 25.Be7 Ra8+–) 1–0. kamret (2195) – BamaBassMaster (1695), GameColony.com, 2003.

4.e4 Nc6

5.Bb2 d5 6.ed5 Qd5 7.Nf3 =.

5.Bb2 d6 6.Bc4 Nf6 7.d3 Ne5 8.Bb3 Be7 9.Ne2 0–0 10.0–0 c6 11.Nd2 b5 12.f4 Neg4 13.Qe1 Ne3 14.Rf3 Neg4 15.h3 Nh6 16.Qg3 a5 17.a4 b4 18.f5 Nh5 19.Qf2 Bf6 20.Bf6 Qf6 21.Rf1 Bb7 22.g4 Qg5 23.Qe3 Qe3 24.Re3 Nf6 25.g5 Nfg4 26.Rg3 Ne5 27.gh6 g6 28.d4 Nd7 29.fg6 hg6 30.Rg6 Kh7 31.Rd6 Rad8 32.Rf7 Rf7 33.Bf7 (33...b3 34.Bg6 Kh6 35.Nb3+–) 1–0. Wall,Bill – Nothing, internet, 2003.

5.Bb2 d6 6.Nf3 Nf6 7.d3 Bg4 8.Be2 Be7 9.0–0 0–0 10.h3 Bf3 11.Bf3 Ne5 12.Be5 de5=+ 13.Nd2 Qd4 14.Be2 c5. malaysianisme – supertimchan (2075), net–chess.com, 2004.

5.Bg3 d6 6.Bb5 Bd7 7.Nf3 Nf6 8.d3 Be7 9.Nc3 0–0 10.0–0 Nh5 11.Ne2 Ng3 12.Ng3 g6 13.Bc6 Bc6 14.Nd4 Bd7 15.Rb1 Bf6 16.Nge2 Rb8 17.Nb3 Bg7 18.Ng3 c6 19.Re1 a5 20.c4 Bc3 21.Re3 b5 22.cb5 cb5 23.d4 b4 (24.Ne2 f5 25.Nc3 bc3=). minn (2000) – supertimchan (2075), net–chess.com, 2004.

4.Nf3 Nc6

5.Bb2 f6 6.e3 d5 7.Bb5 Bd7 8.0–0 Nce7 9.a4 a6 10.Be2 Nh6 11.c4 c6 12.Nc3 Qc7 13.Ba3 0–0–0 14.Be7 Be7+/– 15.cd5 Bd6 16.g3 Bh3 17.Re1+– Ng4? 18.Nd4 Ne5 19.f4 Ng6 20.Bg4 Bg4 21.Qg4 Qd7 22.Qd7 Rd7 23.dc6 bc6 24.Nc6 Rc7 25.Nd4 Bb4 26.Rec1 Bc3 27.Rc3 Rc3 28.dc3 Re8 29.Kf2 h5 30.Nf5 Rd8 31.Ke2 Rg8 32.Rd1 Nf8 33.Ne7 (33...Kc7 34.Ng8+–) 1–0. casouza (2220) – miodrag (1975), net–chess.com, 2006.

5.Bb2 Nf6 6.e3 d5 7.Nc3 Be6 8.Bb5 a6 9.Ba4 b5=+ 10.Bb3 Be7 11.0–0 0–0 12.Ng5 Qd7 13.Ne6 fe6 14.Re1 e5 15.e4 Ne4?? 16.Ne4 Kh8 17.Ng3 Bc5 18.Rf1 a5 19.d3?? a4=+ 20.d4 ed4 21.Bc1 ab3–/+ 22.cb3 Nb4 23.Bf4?? d3 24.Be5 Bd6 25.Bd6 Qd6 26.Qg4 Qf4 27.Qh5 g6 28.Qd1 Na2 29.b4?? Nb4–+ 30.Rc1 Rac8 31.Rc5 Nc2 32.Rb5 h5?? 33.Qd3= h4 34.Ne2 Qe4= 35.Qc3 (35...d4 36.Qd2–/+; 35.Qd2!? d4 36.Qh6 Kg8 37.Rg5=). Nautiluschess – Sask, ICS blitz, 2001.

5.Bb2 Nf6 6.e3 Be7 7.Be2 0–0 8.0–0 Re8 9.c4 d6 10.d4 Bf8 11.Nbd2 g6 12.Nb3 (12.Qb3 Bg7+=) 12...Bg4 (12...Bg7 13.a4=) 13.Qc2 (13.h3 Bd7+=) 13...Bf5= 14.Qc1 d5 (14...Bg7 15.Rd1=) 15.a3 (15.cd5 Nb4+=) 15...dc4 (15...Qd6 16.Nc5 Nd8 17.cd5=) 16.Bc4 Be6 17.Be6 fe6 18.Nc5 Qc8 19.Qc4 The isolani on e6 becomes a target 19...Na5 20.Qa2 b6 21.Nd3 Kh8 (21...Bd6 22.Rac1+=) 22.Nf4 Nb7 (22...Bd6 23.Ne5 Be5 24.de5+/–) 23.Ng5 (23.d5!? Bg7 24.Ne6 Nc5 25.Nc5 bc5+–) 23...Nd8+/– 24.e4 (24.Nge6!? Ne6 25.d5 Nf4 26.Bf6 Bg7 27.Bg7 Kg7 28.ef4+/–) 24...Bh6+= 25.Nfh3 Bg5 (25...Bg7!?+=) 26.Ng5+/– h6 27.e5 (27.d5!? e5 28.f4 hg5 29.Be5 Re5 30.fe5+–) 27...Nd5+= 28.Ne4 Nc6 29.Rac1 Nce7? (better is 29...Qd7+=) 30.Nd6!+– cd6 31.Rc8 Rac8?? (better is 31...Nc8 32.Qc4 Rb8+–) 32.ed6 Rcd8 33.de7 Re7 34.Qb3 Rc8 35.Qh3 h5 36.Qg3 Kh7 37.Qg5 Rc2 38.Bc1 Kg7 (38...Rg7+–) 39.Qh6 Kf7 40.Bg5 Rec7 41.Qh7 (41.Qh7 Kf8 42.Bh6 Ke8 43.Qg6 Kd7 44.Qf7 Kc8 45.Qe6 Rd7 46.Qe8 Rd8 47.Qh5+–) 1–0. Kozlowski,Pawel – Dolata,Marcin, open j–ch Bialystok Poland, 2014.

4.Nf3 d6

5.Bb2 Nd7 6.Nc3 Ne5 7.Ne5 de5 8.e4 g6 9.Bd3 Bg7 10.0–0+= Nf6 11.Re1 0–0= 12.Nd5 b6?? 13.Nf6 Qf6= 14.f4 Qf4–/+ 15.Rf1 Qg4 16.Be2 Qg5 17.d3 Be6–/+ 18.Bc1 Qe7 19.a4 a5 20.Ba3 Qd7 21.Bf8= Rf8 22.h3 h5 23.Rb1 Qd6 24.Rb5 Bd7 25.Rd5 Qe6 26.Qa1 c6 27.Rd7 Qd7 28.d4? ed4 29.Bc4 d3! 30.cd3 Ba1 (31.Kh1 Bd4–+) 0–1. guest1374 – guest1729, ICS blitz, 2000.

5.Bb2 Be7?? 6.e4?? a6?? 7.d4?? Nf6= 8.Bd3 h6 9.0–0+= Bg4 10.Nbd2 0–0 11.h3 Be6 12.c4 Nbd7 13.d5 Bh3? 14.gh3+– Nh7 15.Kh2 f5 16.ef5 Ng5 17.Ng5 Bg5 18.f4 Bf6 19.Bf6 Nf6 20.Rg1 c6 21.Qb3 Nh5 22.dc6 bc6 23.Qc3 Qh4 24.Rg4 Qf2+/– 25.Rg2 Qf4 26.Kh1 Ng3? 27.Kg1+– Rae8 28.Ne4 Qe3 29.Kh2 Ne4?? 30.Qb3 Qf4 31.Kg1 Nd2 32.Qb2 Qe3 33.Kh1 Qh3 34.Kg1 Nf3 35.Kf2 Rf7 36.f6 g5 37.Bg6 Ne5 38.Bf7 Kf7 39.Qb3?? Qf5 40.Kg1 Nf3 41.Kh1 Re4 42.c5–+ d5 43.Rg3 Rh4 44.Kg2 Rh2 (45.Kf1 Nd2 46.Ke1 Qf1#) 0–1. icewater – PoPer, Live Game Caissa's Web, 2005.

5.Bb2 Nf6 6.e3 g6 7.Bc4 Bg7 8.d4 0–0 9.Nbd2 d5 10.Bb3 Bg4 11.0–0 Ne4 12.Bc1 c5–/+ 13.h3 Nd2 14.Bd2= Bf3 15.Qf3 c4 16.Ba4 a6 17.Bb4 b5 18.Bf8 Kf8 19.Rab1 ba4 20.Rb7 Bf6 21.Rfb1 Nc6 22.R1b6= Qd6 23.Qg4 Bd8 24.Qf3 Bc7–/+ 25.Rc7? Qc7–+ 26.Qf6? Qb6 27.Qh8 Ke7 28.Qa8 Qb1 29.Kh2 Qb8 30.Qb8 Nb8 31.c3 a3 32.Kg1 a5 33.Kf1 Na6 34.f3 Nb4! 35.cb4 ab4 36.Ke1 b3 (37.ab3 cb3–+) 0–1. Trkn – Thomas Lazar, itsyourturn.com, 2000.

5.Bg3 Bg4 6.Ng5?? (Better is 6.Nc3=) 6...Qg5–+ 7.c3 Bd7 8.Qb3 b6 9.h4 Qf6 10.e3 c6 11.d4 Be6 12.Qd1 Nh6 13.Nd2 d5 14.Nf3 Nd7 15.Ne5 Ne5 16.Be5 Qd8 17.Be2 Ng8 18.Bg4 Bg4 19.Qg4 Nf6 20.Bf6 Qf6 21.0–0 Bd6 22.e4 de4 23.Qe4 Kd7 24.Qg4 Kc7 25.h5 h6 26.a4 a5 27.d5 c5 28.c4 g6 29.hg6 fg6 30.Qd1 Qh4 31.g3 Rhf8 32.gh4+– (32...Rf4 33.f3+–) 1–0. pinecrest1981 – PoPer, Live Game Caissa's Web, 2004.

4.Nf3 Nf6

5.c4 d6 6.Bb2 Be7 7.d4 0–0 8.e3 Ne4 9.Bd3 d5 10.0–0 Bg4 11.Nbd2 (11.Qb3 Bf3 12.Qb7=) 11...Nd2= 12.Qd2 Bf3 13.gf3 c6 14.cd5 Qd5 15.e4 Qh5 16.Qf4 Bg5 17.Qg3 Qh6 18.Kh1 Bf4 19.Qg2 g6 20.d5 Rd8 21.Bc4 b5 22.Bb3 c5 23.Bf6 Re8 24.Rad1 Nd7 25.Bb2 Ne5 26.Bc1 Nf3 27.Bf4 Qf4 28.d6 Re4 (better is 28...Nd4!?–+) 29.Bd5–/+ Rae8 30.Be4 Re4?? (30...Qe4 31.d7 Rd8+–) 31.d7+– Rd4 32.d8Q Rd8 33.Rd8 Kg7 34.Rfd1 Nh4 35.Qg3 Qf6 (35...Qe4 36.Kg1+–) 36.R8d6 (36.R8d5 c4 37.Rb5 a6+–) 36...Qe7?? (36...Nf5 37.Rf6 Ng3 38.hg3 Kf6+–) 37.Rd7 (better is 37.Qc3 Kh6 38.Qd2 Kg7+–) 37...Qe4 38.Kg1 Nf3 39.Kf1 Nd4 40.Qg2?? (better is 40.R1d4 cd4 41.Qd6 (41.Ra7?! d3+–) 41...Qd3 42.Kg2 Qe4 43.Kg3 Qd3 44.f3+–) 40...Qe2–+ 41.Kg1 Qd1 42.Qf1 Qg4 (42...Qg4 43.Qg2 Qd7–+) 0–1. cristero (2490) – whiteymartin (2390), net–chess.com, 2013.

5.e3 Be7 6.c4 0–0 7.Nc3 d6 8.Bg3 Be6 9.d4 d5 10.Rb1 dc4 11.Rb7 Bd6 12.Nd2 Bb4?? 13.Rb4+– Bg4 14.Be2 Be2 15.Qe2 Qe7 16.Qc4 Nbd7 17.Rb7 a6 18.Rc7 Qe6 19.d5 Nd5 20.Nd5 Ne5 21.Be5 Qe5 22.0–0 Qb2 23.Nf3 Rab8 24.Ng5 Qd2 25.Ne7 Kh8 26.Qf7! h6 27.Ng6# 1–0. amador – ajeffries (1700), net–chess.com, 2007.

4.g3 Nc6

5.Bb2 d5 6.Bg2 Nf6 7.d3 Be7 8.Nd2 0–0 9.e3 Be6 10.Ne2 Qd7 11.Nf4 Bg4 12.Qb1 Nh5 13.Nd5+/– (13...Bd6 14.0–0+/–) 1–0. audrey – PoPer, Live Game Caissa's Web, 2004.

5.Bb2 Nf6 6.Bg2 d5 7.e3 Bg4 8.f3 Be6 9.Ne2 Qd7 10.d4 Bh3 11.0–0 Bg2–/+ 12.Kg2 Bd6 13.Nd2=+ h5 14.h4 g5 15.hg5= Nh7 16.Rh1 Ng5 17.f4 Ne6 18.c4 Ng7 19.cd5+= Ne7 20.Nc4 Ngf5 21.Nd6 cd6 22.e4?? Ne3–+ 23.Kf3 Nd1 24.Rad1 Qg4 25.Kf2 Rc8 26.Nc3 h4 27.Rdg1 h3 28.e5 de5 29.de5 h2 30.Rg2 Nf5 31.d6 Nd4 32.Kf1 Qf3 33.Ke1 Qg2 (34.Kd1 Rc3 35.d7 Kd8 36.Bc3 Qe2 37.Kc1 Qc2#) 0–1. audrey – PoPer, Live Game Caissa's Web, 2004.

3.Be5 Qg5

4.Bb2 Nc6 5.Nf3 Qb5?? (better is 5...Qg6=) 6.Bg7+– d5 7.c3 (7.Bh8 Qa4+–) 7...Bd6 8.Bh8 (better is 8.Qb3 Qb3 9.ab3+–) 8...Qb2 9.Na3 Qa3 10.e3 Be6 11.Bb5 0–0–0 12.Bc6 bc6 13.Be5 Kd7 14.0–0 Rb8 15.Bd6 cd6 16.Ng5 Bf5 17.Nf7 Nf6 (17...Rb2 18.Qf3 Ne7 19.Nh6+–) 18.Nh6 (18.Qf3 Ke7 19.Qf5 Kf7+–) 18...Be6 19.f4 d4 20.ed4 Kc7 21.f5 Bc4 22.Re1 Nd5 23.f6 1–0. baudrey – kamikaz, Live Game Caissa's Web, 2004.

4.Bb2 f6 5.Nf3 Qc5 6.Bd4 Qd6 7.c3 Bc5 8.Bc5 Qc5 9.Nd4 Nc6 10.e3 Nd4 11.ed4 Qe7 12.Be2 d6 13.0–0 Be6 14.Re1 0–0–0 15.Bg4 Kb8 16.Be6 Qf8 17.Na3 Nh6 18.Bd5 c6 19.Bf3 g5 20.Rb1 g4 21.Bc6 Qf7 22.Rb7 1–0. Nautiluschess – molskinner, ICS blitz, 2000.

4.Bb2 Nf6 5.Nf3 Qd5 6.e3 Nc6 7.c4 Qe6 8.Nc3 Bc3 9.Bc3 0–0 10.d4 d5 11.c5 Ne4 12.Bb2 f5 13.Be2 f4 14.0–0 fe3 15.fe3 Bd7 16.Bd3 Rf7 17.Be4 de4 (17...Qe4!? 18.Rf2 Qe3=+) 18.Nd2 Qd5 19.Rf7 Kf7 20.Qb3 Be6 21.Rf1 Kg8 22.Qb7?? (22.Rf4+=) 22...Rc8?? (better is 22...Rb8 23.Qc7 Rb2–/+) 23.Qb3 Na5 24.Qd5 Bd5 25.Bc3 Nc4 26.Nc4 Bc4 27.Rf4 Bd5 28.Rf2 Rb8 29.a3 Rb3 30.Ba5 c6 31.Bb4 Re3 32.Kf1?? (32.h3 Rb3–/+) 32...Rd3?? (better is 32...a5 33.Bd2 Bc4 34.Kg1 Ra3–+) 33.Rd2 Rb3 34.Ke2 (34.Rc2 Kf7–/+) 34...e3 (34...Bc4 35.Ke1 a5 36.Ba5 Re3 37.Kf2 Ra3–+) 35.Rd3?? (better is 35.Rc2=+) 35...Bc4–+ 36.Ke3 Bd3 37.d5 Bc4 38.Kd4 Bd5 39.Ke5 Bg2 40.Kd6 Rh3 41.Kc7 Rh2 42.Bd2 Bd5 43.Bf4 Ra2 44.Kd7 Ra3 45.Be5 Ra5 46.Bg7 (46.Bd6–+) 46...Kg7 47.Kc7 Rc5 48.Kb7 Rc1 49.Ka7 Rb1 50.Ka6 h5 51.Ka5 h4 52.Ka4 h3 53.Ka3 h2 54.Ka4 h1Q 55.Ka5 Qh2 56.Ka6 Qa2# 0–1. Grits – DanM, Live Game Caissa's Web, 2004.

4.Bc3 Bc3 5.Nc3 Nf6 6.Nf3 Qg6 7.e3 0–0 8.g3 d6 9.d4 Bf5 (9...Re8 10.Rb1=+) 10.Be2 (10.Nh4!? Qg5 11.f4+=) 10...Bc2 11.Qd2 Bf5?? (better is 11...Be4=+) 12.Nh4+– Qg5 13.Nf5?? (better is 13.f4 Qh6 14.Nf5+–) 13...Qf5=+ 14.e4? (better is 14.Rb1 b6 15.Qd3=+) 14...Ne4–+ 15.Ne4 Qe4 16.0–0 Nc6 17.Qb2? Nd4 18.Bc4 Nf3 19.Kg2 Nd2 20.f3–+ Qe2 21.Be2+– Nf3 22.Rf3 h6 23.Qb7 c5 24.Raf1 Rab8 25.Qa7 Ra8 26.Qc7 Ra2 27.Kf2 Kh7 28.Qd6 Re8 29.Re1 Rd8 1–0. badboy1221 – space45, Live Game Caissa's Web, 2004.

4.Bc3 Nc6 5.e3 d6 6.Nf3 Qc5?? 7.Be2 Nf6 8.0–0 Nd5 9.Bd4 Qa5 10.c3 Bc5 11.Bc5 Qc5+= 12.d4 Qb6 13.Qb3 Qb3 14.ab3 Bf5 15.Bc4 Bb1 16.Bd5+/– Bd3 17.Bc6 bc6 18.Rfd1 Be2 19.Rd2 Bf3 20.gf3 0–0? 21.Rda2+– a5 22.Ra5 Ra5 23.Ra5 g6 24.Ra7 Rc8 25.Kf1 f5 26.Ke2 Kf7 27.Kd3 Ke6 28.e4 h5 29.h4 Kd7 30.ef5 gf5+/– 31.Ke3 d5 32.Kf4+– Rf8 33.Kg5 Rg8 34.Kf5 Rf8 35.Kg5 Rf3 36.Kh5 Rf2 37.b4 Rf3 38.Ra3 Ke6 39.Kg4 ½–½. tanto (1710) – octopus (1615), net–chess.com, 2002.

4.Bc7 Na6 5.c3 Ba5 6.Nf3+/– Qc5 7.Ba5 Qa5+/– 8.d4 Nf6 9.g3 0–0 10.Bg2 1–0. wlittle (2185) – richye (1900), net–chess.com, 2004.

4.Bc7 Nc6 5.Nf3 Qf6 6.c3 d6 7.a3 Bc5 8.d4 Bb6 9.Bb6+– ab6 10.e3 Nge7 11.Bb5 0–0 12.Nbd2 d5 13.0–0 Qd6 14.a4 Qc7 15.Qb1 Na5 16.Ng5 Bf5 17.Qb2 Qd6 18.c4 dc4 19.Bc4 Qg6 20.f4 Rac8 21.Rac1 Nc4 22.Nc4 f6 23.Nf3 Bd3 24.Nb6 Rc1 25.Rc1 Be4 26.Nh4 Qg4 27.g3 Qe6 28.a5 Bc6 29.Ng2 Bg2+/– 30.Kg2 Qe3 31.d5 Qe4?? 32.Kh3?? Nf5?? 33.Nd7?? Ne3–/+ 34.Nf8?? Qf5 (35.Kh4 Qg4#) 0–1. guinguin – vallabhan, internet, 2007.

4.Bc7 d6 5.a3 Qe5 6.c3 Bc5 7.d4+– Qe7 8.Bb8 Bb6 9.Bd6! Qd6 10.e3 Ba5?? 11.Qa4 Bd7 12.Qa5 Nf6 13.Nf3 b6 14.Qe5 Qe5 15.Ne5 0–0 16.Nd7 Nd7 17.Bb5 Nf6 18.Bc6 Rac8 19.Bf3 Rfd8 20.Ke2 Ne8 21.Kd3 Nd6 22.Nd2 Nf5 23.Bg4 g6 24.e4 h5 25.ef5 hg4 26.fg6 fg6 27.Ne4 a5 28.Rab1 Rb8 29.Rb5 Rb7 30.Rhb1 1–0. algernon (1700) – parag (1760), net–chess.com, 2001.

4.Bc7 Qf6 5.e4?? Qa1–+ 6.c3 Be7 7.Bd3 Qa2 8.Qg4 g6 9.Ne2 Nf6 10.Qg3 Qe6 11.0–0? Nc6 12.Qg5 Ne4 13.Qh6 Ng5 14.Qg7 Bf6 15.Qh6 Qe7 16.f4 Ne6 17.Be5 Be5 18.fe5 Ne5 19.Ng3 Nd3 20.Qe3 Qc5 21.Rf3 0–0 22.Ne4 Qe3 23.Re3 Nec5 24.Ng5 d6 25.c4 Bf5 26.Re7 Ne5 27.d4 Rfe8 28.Rc7 Rac8 29.Rc5 dc5 30.de5 Bb1 31.g4 Re5 32.Nf3 Re2 33.Kf1 Bd3 34.h4 Rd8 35.Ng5 Bc4 36.h5 Rd1# 0–1. JOHN SILVA – ChessVictory, internet, 2007.

4.Nf3 Qe7?? 5.Bg7+– (5.Bc7?! d5 6.Bf4 Nf6+/–) 5...f6 6.Bh8 Nh6 7.c3 Bd6 8.d4 (8.Qa4 Nf7 9.Bg7 Ne5 10.Ne5 Qg7+–) 8...Qf8 (8...Kf8 9.e4! Nf7 10.Bf6 Qf6 11.e5+–) 9.Bf6! Qf6 10.e4 Qf4 11.Bd3 Be7 12.Qd2 Qd2 (12...Qf8 13.e5+–) 13.Nbd2 d6 14.e5 Bf5 15.Bf5 Nf5 16.Rb1 b6 17.0–0 de5 18.de5 Nc6 19.g4 Ng7 20.Nc4 Rd8 21.Rfd1 Ne6 22.Rd8 Kd8 23.Rd1 Kc8 24.h4 h6 25.Nfd2 Bh4 26.Ne4 Ng5? 27.Ng5 Bg5 28.Kg2 Bf4 29.e6 Bg5 30.Re1 Kd8 31.Ne5 Ne7 32.Nf7 Kc8 33.Ng5 hg5 34.Kg3 c5 35.f4 gf4 36.Kf4 Kd8 37.Kg5 Ke8 38.Rd1 b5 39.Kf6 Ng8 40.Kg7 Ne7 41.Rf1 Nd5 42.Rf5 Nc3 43.Rc5 Na2 44.Rb5 Nc3 45.Ra5 Ke7 46.Ra7 Ke6 47.g5 Ne4 48.g6 Ng5 49.Rf7! Ke5 50.Kh6 Ne6 51.g7 Ng7 52.Kg7 Ke6 53.Kg6 Kd6 54.Rf5 Ke6 55.Kg5 Kd6 56.Kf6 Kc6 57.Ke6 (57.Ke6 Kc7 58.Rc5 Kb7 59.Kd7 Kb6 60.Rd5 Kb7 61.Rd6 Kb8 62.Kc6 Kc8 63.Kb6 Kb8 64.Rd8#; 57.Ke7 Kc7 58.Rc5 Kb6 59.Kd6 Kb7 60.Rb5 Ka6 61.Kc6 Ka7 62.Ra5 Kb8 63.Ra6 Kc8 64.Ra8#) 1–0. Henkel,Phil (1905) – Juha,Michael (1820), RSS4D easy–47, 2007.

4.f4 Qg4 5.Nf3 (5.e3 Qh4 6.g3 Qh6+=) 5...Nf6 (5...d6 6.Bb2 Ne7= (6...Qf4?? 7.Bg7 Bf5 8.Bh8+–)) 6.Bc7 Nc6 7.e3 (7.a3 Nd5 8.Ne5 Ne5 9.Be5 Ne3=) 7...Nd5= 8.Be5 d6 9.Bc3 0–0 (9...Bc3 10.Nc3 (10.dc3 Ne3 11.Qd2 Qf4–+) 10...Nc3 11.dc3=) 10.Bb4 Ncb4 11.c4 Nd3? (better is 11...Nb6+=) 12.Bd3+– Qg2?? (12...Nf4 13.Bf1 Ng2 14.Bg2 Qg2+–) 13.Rg1 (13.cd5?! Qh1 14.Bf1 Bg4+=) 13...Qh3 (13...Ne3 14.de3 Qb2 15.Nbd2+–) 14.Rg3 (14.cd5 Bd7+–) 14...Qe6 (14...Nf4 15.Rh3 Nd3 16.Ke2 Bh3 17.Kd3+–) 15.Qc2 (15.Qc2 Qf6 16.Nd4+– (worse is 16.cd5 Qa1 17.Bh7 Kh8+–)) 1–0. Wartig,Wolfgang – Wolf, (year?).

4.f4 Qh4 5.g3 Qh6 6.Bg2= (6.Bc7? Qc6–+).

4.Bg3 d6 5.c3 Bc5 6.d4 Bb6 7.Nf3 Qg6 8.Nbd2 Ne7 9.e3 0–0 10.Be2 Bg4?? (10...Nd5 11.Qb3 Nf6 12.c4=) 11.0–0 (better is 11.Nh4 Qe6 12.Bg4+–) 11...Bf3 (11...Be6!?=) 12.Nf3+/– (< 12.gf3 Nd7=) 12...Nbc6 13.Bd3 Qe6?? (13...f5 14.Qb3 Kh8 15.c4+/–) 14.c4 Qd7 15.Ng5 h6 16.h4?? hg5–+ 17.hg5 g6 18.f3 Nf5 19.Kf2? Ncd4 20.Rh1 Ng3 21.Kg3 Nf5 22.Bf5 Qf5 23.Rc1 Qg5 24.Kh2 Be3 25.Rc3 Bf4 26.Kg1–+ Rfe8 27.Kf2 Bg3 28.Kf1 Re1 29.Qe1–+ Be1 30.Ke1 Qe5 31.Kf2 Re8 32.f4 Qc3 (33.Rd1 Qe3 34.Kf1 Re4 35.g4 Rf4 36.Kg2 Rg4 37.Kh1 Qh3#) 0–1. slavisa11 – firefly, Live Game Caissa's Web, 2004.

4.h4 Qd2 5.Qd2 (better is 5.Nd2 Nf6 6.c3+–) 5...Bd2 (6.Nd2 Nf6+–) +–. ethanmurt – jasdeep, Live Game Caissa's Web, 2004.

4.h4 Qe5 5.c3 Be7 –+.

4.Nf3 d6??

5.Ng5+– de5 6.c3 Be7 (7.Nf3 Bd6+–). tpt456 – nachodynamite, internet, 2007.

5.Ng5+– de5 6.e4 Nf6 7.c3 Bc5 (7...Bd6 8.Bc4 Rf8 9.Qb3+–) 8.Bc4 Ng4 (8...Rf8 9.d4 ed4 10.e5+–) 9.Bf7 Kd8 (9...Ke7 10.d4 ed4 11.Bh5+–) 10.d4 Be7 (10...ed4 11.cd4 Bb4 12.Kf1 Na6+–) 11.de5 Nd7 12.Ne6 1–0. market (1865) – kizort, GameColony.com, 2002.

4.Nf3 Qf5??

5.Bb2 Bc5?? 6.Bg7+– Bf2 (6...Nc6 7.Bh8 d5+–) 7.Kf2 Nf6 8.Bh8 Ng4 9.Kg1 Qc5 10.e3 Ne3 (10...d6 11.h3 Ne5 12.Nc3+–) 11.Qe1 1–0. Janek – marty12, internet, 2016.

5.c3 Bc5?? 6.d4 Be7? 7.Bg7+– Bf6 8.Bh8 Bh8 9.Nbd2 d5 10.e3 Be6 11.c4 dc4 12.Bc4 Bc4 13.Nc4 Nc6 14.0–0 0–0–0 15.a4 Nf6 16.a5 a6 17.Qb3 Nd5 18.Rfb1 b5 19.ab6 (19...cb6 20.Nb6 Kc7 21.Ra6+–) 1–0. gtate (1930) – islanderfan, net–chess.com, 2004.

5.Bc7?! Nf6–/+.

5.Bg7+– b6 6.e3 d6 7.Bh8 Nd7 8.Bd3 Qg4 9.Bh7 (9.h3 Qh5+–) 9...Ndf6 (9...Qh5 10.Bg8 Qh8 11.c3 Qg8 12.cb4 Qg2 13.Rg1+–) 10.Bg8 Ba6 (10...Ng8 11.c3 Ba5+–) 11.Bf6 Kd7 12.Bf7 (12.Ne5 de5 13.Qg4 Kc6 14.Qf3 Kb5 15.Qd5 c5 16.Qd7 Ka5 17.a3 Bd2 18.Qd2 Kb5 19.Qd7 Ka5 20.Nc3 Rg8 21.Qa4) 12...Rf8 13.h3 Qf5 14.Nd4 Qf6 15.Qg4 Ke7 16.Nc6 Kf7 17.Nb4 Bb7 18.Nc3 Rg8 19.Qc4 Kf8 20.0–0–0 c5 21.Nbd5 Qe6 22.Qf4 Kg7 23.Qg4 Kf7 24.Qe6 Ke6 25.Nf4 Ke5 26.Rhg1 a6 27.d4 cd4 28.Rd4 b5 29.Nd3 Ke6 30.g4 Bc6 31.f4 a5 32.f5 Kd7 33.Ne5 Kc7 34.Nc6 Kc6 35.Rgd1 b4 36.Rd6 Kc5 37.R1d5 Kc4 1–0. Hal1958 – Mel, playchess.de, 2002.

5.Bg7+– Bc3 6.Nc3 f6 7.Bh8 h6 8.e3 Qh7 9.Nd5 Qh8 10.Nc7 Kd8 11.Na8 b6 12.Nd4 Bb7 13.Nb6 ab6 14.Bb5 Ne7 15.0–0 Bc6 16.Bc6 Nec6 17.Nc6 Nc6 18.d4 Kc7 19.c4 f5 20.a4 h5 21.d5 Na5 22.Qc2 Qf6 23.c5 h4 24.cb6 Kb6 25.Rfb1 Ka6 26.Qd3 Ka7+– 27.Qb5 Qa6 28.Qb8# 1–0. ida1 – BANZAI, Live Game Caissa's Web, 2005.

5.Bg7+– Bc5 6.Bh8 Nh6 7.e3 Ng4 8.d4 Bd6 9.Bd3 Qh5 10.c3 f6 11.h3 b6 12.Nfd2 f5 13.Qf3 Nc6 14.Bf5 Nf6 15.Bf6 Qf3 16.gf3 Bb7 17.Rg1 Ne7 18.Bh7 0–0–0 19.Nc4 Rh8 20.Nd6 cd6 21.Bh8 1–0. marekt – NN, GameColony.com, 2002.

5.Bg7+– Nc6 6.c3 Be7 7.g3 d6 8.Bg2 Bf6 9.Bh8 Bh8 10.0–0 Be6 11.d4 Bc4 12.Nbd2 Ba6 13.Re1 Qa5 14.Qc2 Nge7 15.Qh7 Kd7 16.Bh3 f5 17.Ne4 d5 18.Bf5 (18...Kd8 19.Qh8 Ng8 20.Qg8 Ke7 21.Qg7 Ke8 22.Nf6 Kd8 23.Qd7#) 1–0. gtate (2055) – mlaurent (1950), net–chess.com, 2006.

5.Bg7+– Nc6 6.e3 d5 7.Bh8 f6 8.Bd3 Qe6 (8...Qh5 9.c3 Bd6 10.Qc2+–) 9.Bh7 Nge7 10.Nh4 (10.c3 Bd6 11.Qa4 Qf7+–) 10...Qf7 11.Bd3 Be6 12.Qf3 Ng8 (12...f5+–) 13.Bg6 Ne5 14.Bf7 Bf7 15.Qf4 0–0–0 16.Qb4 Nc6 17.Qg4 Kb8 18.Nc3 Nh6 19.Qg7 Ng4 20.Qg4 Rh8 21.Qg7 Rh4 22.Qf8 (22.Qf8 Be8 23.Qe8 Nd8 24.Qd8) 1–0. Hal1958 – Gideon, playchess.de, 2003.

5.Bg7+– Qd5 6.Bh8 Nh6 7.Nc3 Qc5 8.e4 d5 9.Nd5 c6 10.Nc7 Kd8 11.Na8 b6 12.Bf6 Kd7 13.Ne5 Qe5 14.Be5 Bb7 15.Qh5 Na6 16.Qh6 Ba8 17.Ba6 c5 18.Bb5 Kc8 19.Qf8 Kb7 20.Qb8# 1–0. hardgamer – Roseeis, internet, 2006.

5.Bg7+– d6 6.Bh8 f6 7.c3 Ba5 8.Nd4 Qg6 9.Qa4 (9...Bd7 10.Qa5+–) 1–0. mrkt – NN, GameColony.com, 2002.

5.Bg7+– Be7 6.Bh8 Bf6 7.Bf6 Qf6 8.c3 d5 9.d4 c5 10.dc5 b6 11.Qd5 Nc6 12.cb6 ab6 13.e3 Bf5 14.e4 Rd8 15.Qf5 Qd6 16.Qd5! Qf4 17.Qc6 Rd7 18.Qa8 Rd8 19.Bb5 Ke7 20.Qa3 Rd6 21.Qa7 Kf6 22.0–0 Qe4 23.Nbd2 Qd5 24.Bc4 Rd7 25.Qb6 Rd6 26.Qd6! Qd6 27.Ne4 Ke7 28.Nd6 Kd6 29.Rad1 Kc5 30.Bf7 Nf6 31.Rfe1 Ng4 32.h3 Nh6 33.Be8 Nf5 34.Re5 Kc4 35.Rf5 Kc3 36.Rc5 Kb2 37.Rd2 Ka3 38.Rc3 Kb4 39.Rb3 Kc4 40.Bf7 Kc5 41.Rc2 Kd6 42.Rd3 Ke7 43.Rc7 Kf6 44.Rd6 Kg7 45.Bh5 Kh8 46.Rd8# 1–0. BorisOwl – delija, gamecolony.com, 2000.

5.Bg7+– Ne7 6.Bh8 f6 7.c3 Bc5 8.d4 Bb6 9.Nbd2 Kf7 10.e4 Qa5 11.Qb3 (11...d5 12.Qc2+–) 1–0. gtate (1960) – hermanogris (2025), net–chess.com, 2006.

5.Bg7+– Ne7 6.Bh8 f6 7.e3 Qe5 8.Ne5 (8...fe5 9.Qh5 Kd8 10.Be5+–) 1–0. wiking – dreamteam, queenalice.com, 2009.

5.Bg7+– Qf4 6.Bh8 d5 7.Be5 Qf5 (7...Qc4 8.a3 Ba5 9.e3+–) 8.Bc7 Nd7 9.Ne5! Ne5 10.Be5 Qe5 11.c3 Nf6 (11...Bd6+–) 12.Qa4 (12.cb4?! Qa1 13.Nc3 Qb2+/–) 12...Bd7 13.Qb4 b6 14.e3 Rc8 15.Bb5 Bb5 16.Qb5 Nd7 17.0–0 Rc5 18.Qd3 Nf6 19.Na3 Ng4 (19...Qe4 20.Qe2+–) 20.g3 (20.Qh7 Qe6+–) 20...Rc6 (20...Qh5 21.h4+–) 21.Qh7 Rh6 (21...Rg6+–) 22.Qg8 Ke7 23.Qg4 1–0. Valpa – Matthew, playchess.de, 2002.

5.Bg7+– f6 6.e3 Ne7 7.Bh8 b6 8.Nd4 Qe5 9.c3 Bc5 10.Nb5 d5 11.d4 Qf5 12.Nc7 Kd8 13.Na8 Bd6 14.Qd3 Qg5 15.Qh7 Bf5 16.Qg7 Qh5 17.Qf8 Kd7 18.Bb5 Ke6 19.Qf6 1–0. michaelbuss – The Martial Master, ChessWorld.net, 2006.

5.Bg7+– f6 6.Bh8 Nc6 7.e3 d5 8.Bd3 Qe6 9.Bh7 Nge7 10.c3 Ba5 11.Qa4 Bd7 12.Qh4 0–0–0 13.Bf6 Re8 14.Qg5 Qf7 15.Qg7 Rf8 16.Qf7 Rf7 17.Be7 Re7 18.Bc2 b6 19.h4 b5 20.h5 Re8 21.h6 Rh8 22.Ng5 Nd8 23.h7 c5 24.Ke2 b4 25.f4 bc3 26.Nc3 d4 27.Nce4 Bb5 28.Bd3 Bd3 29.Kd3 de3 30.de3 Nb7 31.Nf7 Rh7 32.Rh7 a6 33.Nfd6 Nd6 34.Nd6 Kd8 35.Rah1 Bb4 36.Rg7 (36...c4 37.Ke4 Bd6 38.Rh8 Bf8 39.Rf8#) 1–0. pereira – Branz, internet, 2006.

5.Bg7+– f6 6.Bh8 Ne7 7.e3 Ng6 8.Bg7 Qh5 9.Bf6 Nc6 10.Be2 Qf5 11.Bb2 Nce5 12.Ne5 Ne5 13.0–0 d5 14.f4 Nc4 15.Bc3 Bc5 16.Bh5 Ke7 17.g4 Qe4 18.f5 Bf5 19.Rf5 Bd6 20.Bf6 Ke6 21.Nc3 Nb2 22.Ne4 Nd1 23.Ng5 Kd7 24.Rd1 1–0. Trkn – Ken.canada, itsyourturn.com, 2000.

5.Bg7+– f6 6.Bh8 Qg6 7.a3 Ne7 8.ab4 Qg8 9.Bf6 Nd5 10.Bh4 (10.Bc3!? Qg6+–) 10...Nb4 11.c3 Nd5 12.Na3 Qg4 (12...Qg6 13.e3 d6 14.Nb5+–) 13.Nb5 a6 14.Qb3 c6 15.Nd6 Kf8 16.c4 Ne7 17.Qb6 Qe6 18.Qd8 Kg7 19.Be7 Qe5 (19...Kg6 20.Ne5! Kh5 21.Qe8 Kh6 22.h4 Qe5 23.Bf8 Qg7 24.Nf5) 20.Qf8 Kg6 21.Ne5 Kh5 22.g4 1–0. Fritz 11 – anony, internet, 2013.

5.Bg7+– Nf6 6.Bh8 Ne4 7.c3 Ba5 8.d3 Nc3 (8...Nc5 9.e4 Qg6 10.Nbd2+–) 9.Nc3 Bc3 (9...Nc6 10.Qa4+–) 10.Bc3 Qc5 11.Qc2 d5 12.e3 Bf5 13.Rb1 b6 14.e4 de4 15.de4 Bg6 (15...Bd7 16.Be2+–) 16.Rb5 Qb5 (16...Qd6 17.Re5 Kd8+–) 17.Bb5 c6 18.Bg7 cb5 19.Qc8 Ke7 20.Bf8 Kf6 21.e5 1–0. market (1910) – TRAPP.SCOTT, GameColony.com, 2002.

5.Bg7+– Nf6 6.Bh8 Ne4 7.c3 Bc5 8.d4 Bb6 9.Qc2 d5 10.e3 Bd7 11.Nbd2 Nc6 12.Bd3 0–0–0 13.Ne4 de4 14.Be4 Qg4 15.h3 Qg2 16.Ne5 Qg5 17.Nf7 Qe7 18.Nd8 Qd8 19.Be5 Ne7 20.Bh7 Bc6 21.Rg1 Nd5 22.Rg8 Be8 23.Bf5 Kb8 24.Qa4! Nc3 25.Qe8 Qe8 26.Re8# 1–0. pierre – BCA777, internet, 2008.

5.Bg7+– Nf6 6.Bh8 Ne4 7.c3 Bd6 8.d3 Nc5 9.d4 Ne4 10.e3 h6 11.Qd3 Qh7 12.Nbd2 Qh8 13.Qe4 Kd8 14.Nc4 Qe8 15.Nd6 Qe4 16.Ne4 1–0. marekt – yojimbo1961, GameColony.com, 2002.

5.Bg7+– h5 6.Bh8 f6 +–.

5.Bg7+– h6 6.Bh8 f6 7.a3 +–.

4.Nf3 Qg4

5.h3 Qg6 6.Bc7 Na6 7.Bf4 +/–.

5.h3 Qg6 6.Bc7 Nc6 –/+.

5.h3 Qg6 6.Bc7 Bd6 7.Bd6 Qd6 8.e3 Nf6 9.Nc3 b6?? (better is 9...0–0+/–) 10.Nb5+– Qc6 (10...Qc5 11.d4 Qb4 12.c3+–) 11.Ne5 Qc5 12.d4 Qb4 (12...Qe7 13.Nc7 Kf8 14.Na8+–) 13.c3 Qa5 (13...Qe7 14.Nc7 Kf8 15.Na8 d5+–) 14.Nc4 (14.Nc4 Qb5 15.Nd6 Ke7 16.Nb5+–) 1–0. Wall,Bill – Laprade,Tyler, Palm Bay, FL, 2004.

4.Nf3 Qg6

5.a3 Bc5 6.Bc7 d6 (6...Nf6 7.Nc3 0–0+/–) 7.Bb8 (better is 7.Nc3!? Na6 8.Nb5+/–) 7...Rb8+= 8.c3 (better is 8.e3!?+=) 8...Nf6+= 9.d3 (9.d4 Bb6+=) 9...0–0 10.g3 Ng4 11.Bg2?? (better is 11.e3+=) 11...Bf2–+ 12.Kf1 Bb6 13.d4 (13.Qc1 Ne3 14.Kg1–+) 13...Ne3 (13...Ne3 14.Kf2 Nd1 15.Rd1 Bg4–+) 0–1. Heini – chessenemy, internet, 2016.

5.Bb2 Nc6 6.c3 (6.Nc3 Bc3 7.Bc3 Nge7=) 6...Bd6 7.g3 (7.c4 Nf6=) 7...b6 (7...Nf6 8.c4=) 8.Bg2 Bb7 9.0–0 Nge7 10.Nh4 Qh6 11.Bc1 Qh5 12.Bf3 Qg5 13.d4 Qb5 14.Nd2 (14.e4 Ba6 15.Re1 f6+/–) 14...Na5 (14...Qa5 15.Qb3+=) 15.a4 (15.Rb1 Qa6+/–) 15...Qa6+= 16.e4 g5? 17.Be2+– b5 18.ab5 Qb6 19.Nf5 Nf5 20.ef5 0–0–0 21.Nc4 Nc4 22.Bc4 c6 23.bc6?? dc6?? 24.d5 cd5+/– 25.Bd5 Bc5 26.c4 h5 27.Bg5 Rd7 28.Qf3 Bd5 29.cd5 Re8 30.Rac1 Kb7 31.Rb1 Bb4 32.Bd2 a5 33.Bb4 ab4 34.d6 Kb8 35.Qh5 Rd6 36.Qg4 Re5 37.Rb4 Rb5 38.Rb5 Qb5 39.Qg8 Kb7 40.Qf7 Kb6 (41.Rc1 Rd7 42.Qe6 Kb7 43.Qe4 Kb6+–; 40...Rd7 41.Qg6 Qd3 42.g4+–) +–. stoker – rotweiller2, Live Game Caissa's Web, 2004.

5.c3 Ba5 6.Qa4 Bb6 7.Qc4 (7.Na3!?+=) 7...Ne7 8.Bc7? (better is 8.d4=+) 8...Bc7 9.Qc7 Qc6?? (better is 9...Qc2 10.Na3 Qb2–+) 10.Qg3 0–0 11.e3 Qb6 (12.Nd4 Nbc6+/–) +/–. cry – DanM, Live Game Caissa's Web, 2004.

5.Nc3 d6 6.Bg3 Nc6 7.Nh4 Qf6 8.Ne4 Qd4 9.Ng5 Bd2 10.Qd2 Qa1 11.Qd1 Qa2 12.e3 Qa5 13.Qd2 Qg5 14.Bc4 Ne5 15.Bb3 Be6 16.Ba4 Nc6 17.0–0 0–0–0 18.Rb1 Ne5 19.Qb4 b6 20.Bb5 Ne7 21.Ba6 Kb8 22.Qe4 N5c6 23.Nf3 Qd5 24.Qa4 Rd7 25.Nd4 Nd4 26.ed4 Rhd8 27.c4 Nc6 (time, 0–1). Nautiluschess – decent, ICS blitz, 2001.

5.Bc7 b6 6.c3 Bc5 7.d4 Bd6 8.Ne5 Be5 9.de5 Bb7 10.Nd2 Bg2?? 11.Rg1 (11...Ne7 12.Rg2+–) 1–0. Fritz 8 – NN, 2003.

5.Bc7 b6 6.c3 Bd6+/– 7.Bd6 Qd6 8.d4 Bb7 9.e3 Qg6 10.Ne5 Qf5? 11.Nd2 d6 12.Bd3 Qg5 13.Nef3 Nf6?? 14.Ng5 Bg2 15.Rg1 Bb7 16.Nc4 d5 17.Nd6 (17...Ke7 18.Nb7+–) 1–0. themonkey – NN, GameColony.com, 2002.

5.Bc7 b6 6.e3 Nc6 +/–.

5.Bc7 d5 6.c3 (6.Nc3 Bc3 7.dc3 Nc6+/–) 6...Be7 7.Bb8 (better is 7.e3!? Bf6 8.Bb8 Rb8 9.Qa4 Bd7 10.Bb5 Qg2 11.Bd7 Kf8 12.Rg1 Qf3 13.Qa7+/–) 7...Rb8= 8.Qa4 Qc6 (better is 8...Bd7!? 9.Qa7 Bd6=) 9.Qa7+/– Bd6 10.e3 b6 (10...Nf6 11.Na3 0–0 12.Nb5+/–) 11.Nd4 (11.Na3 Qa8 12.Qa8 Ra8+–) 11...Qc5 (11...Qb7 12.Qa4 Kf8 13.Qb3+–) 12.Bb5 (12.Nb5!? Ne7+–) 12...Kf8+/– 13.a4 Be5?? (13...Rb7 14.Qa8 Rb8 15.Qc6+–) 14.Na3 (better is 14.Nc6 Rb7 15.Qa8+–) 14...Rb7 (better is 14...Ne7!? 15.Nb3 Qd6+/–) 15.Qa8+– Rb8 16.Qc6 Qe7? (16...Bb7 17.Qc5 bc5+–) 17.Qd5 Bd6 (17...Nf6 18.Qb3 Bd4 19.cd4 g6+–) 18.Nc6 (better is 18.Nc4 Bc7 19.Nc6+–) 18...Qb7 (18...Qe6 19.Qe6 Be6 20.Nb8 Bb8+–) 19.Qd6 Ke8 (19...Qe7 20.Ne7 g6 21.Nf5 Ne7 22.Qd8) 20.Nd8 (20.Qd8) 20...Bd7+– 21.Nb7 Rb7 22.Bd7 (better is 22.Ba6 Ra7 23.Qb8 Ke7 24.Qa7 Nh6+–) 22...Rd7 23.Qb8 Rd8 24.Qb6 Nf6 25.Qb4 (25.Nc4!? h5 26.Nd6 Rd6 27.Qd6 Rh6+–) 25...h6 26.Nb5 Nd7 27.Nc7 1–0. Borg,F (1825) – Runarsson,Jon Hreidar, Reykjavik Open, 2015.

5.Bc7 Bd6 6.Bd6 Qd6 7.c3 b6 8.d4 Bb7 9.e3 Nf6 10.Bd3 0–0 11.0–0 Ng4 (Better is 11...Rc8+/–) 12.h3?? (Better is 12.Nbd2 Qh6 13.Qb1+/–) 12...Bf3–+ 13.hg4 (13.Bh7 Kh8 14.hg4 Bd1–+) 13...Bd1 14.Rd1 Nc6 15.Nd2 Qa3 16.Ne4 d5 17.Ng3 Qc3 18.Nf5 Nb4 19.Rac1 Qa3 (20.Be2 Qa2–+; 19...Nd3? 20.Rc3 Nb2 21.Rb1+–) 0–1. PoPer – knopp, Live Game Caissa's Web, 2004.

5.Bc7 Bd6 6.Bd6 Qd6 7.e3 Nf6 8.Nc3 0–0 9.Bd3 Nc6 10.0–0 Ng4 11.Bh7!+– Kh7 12.Ng5 Kg8 13.Qg4 Qf6 14.Qh5 Qh6 15.Qh6 gh6 16.Nf3 d6 17.Rfb1 b6 18.Ne4 Bg4 19.Nf6 (19...Kg7 20.Ng4+–) 1–0. combat – kilmer48, Live Game Caissa's Web, 2004.

5.Bc7 Be7 6.e3 Bf6 7.d4 Ne7 8.Bd6 Nbc6 9.Qd3 0–0 10.Qg6 fg6 11.Bc4 Kh8 12.Nbd2 Re8 13.Ne5 Nf5 14.Nf7+– Kg8 15.0–0 h6? 16.Nh6 Kh7 17.Nf5 gf5 18.Bf7 Rd8 19.Rab1 b6 20.Bd5 Bb7 21.c4 a6?? 22.Rb6 Rdc8 23.Rb7 1–0. marekt – unknown, internet, 2002.

5.Bc7 Ne7 6.a3 Bc5 (6...Bd6 7.Bd6 Qd6 8.Nc3+/–) 7.d4 Bd6 (7...Bb6 8.Bb6 Qb6 9.e3+/–) 8.Bd6 Qd6 9.e3 0–0 10.Bd3 b6 11.0–0 Bb7 12.c4 a6 (12...Re8 13.Nc3+–) 13.Nc3 Nbc6 (better is 13...Rc8+–) 14.Qb1 Na5 15.Bh7 Kh8 16.Be4 g6 (16...Be4 17.Ne4 Qc7+–) 17.c5! Qc7 (17...bc5 18.Bb7) 18.Bb7 Nb7 19.Qb6 Qb6 20.cb6 Kg7 21.Na4 Rh8 (21...Rfc8 22.Rfc1+–) 22.Nc5 Nc5 23.dc5 Rh5 24.Rfd1 (24.Rfc1!? Rb8+–) 24...Rc5 25.Rd7 Nc6 26.b7 Rb8 27.Rc7 Rd8 (27...Rc4 28.Nd2 Rc2+–) 28.Nd4! Rc3 29.Ne6 Kf6 30.Nd8 Rd3 31.Rc6 Ke7 32.b8Q Rd8 33.Qe5 Kf8 34.Qh8 Ke7 35.Rc7 Kd6 36.Qd8 (36...Ke5 37.Qe7 Kf5 38.Rc5 Kg4 39.h3#) 1–0. pierred – adi50, internet, 2008.

5.Bc7 f6 6.e3 Nh6 7.Nc3 Na6 8.Bf4 Ng4 9.Bc4 b6? 10.Bd5 Rb8 11.h3 Bb7 12.Nh4 Qh5 13.hg4 Qd5 14.Nd5 Bd5 15.Qe2 Bb7 16.Bb8 Nb8 17.Qc4 Ba5 18.Ng6! Rg8 19.Qg8# 1–0. wiking – AndreBerton, queenalice.com, 2009.

5.Bc7 Nh6 6.a3 0–0?? 7.ab4+– Qf6 8.Nc3 Ng4 9.h3 Nh6 10.Nd5 Qb2 11.Be5 Qa1 12.Qa1 a6 13.Ne7 Kh8 14.Bg7# 1–0. pierre – grahamsmith, internet, 2008.

5.e3 Qb6?? 6.Bg7+– Be7 7.Bh8 Bf6 8.Bf6 Nf6 9.Nc3 Qa5 10.Be2 h6 11.0–0 c6 12.Qb1 b5 (12...d5 13.Qb3+–) 13.a3 (13.Qb2 Qb6+–) 13...d5 14.h3 Ne4 (14...Nbd7 15.Qb4 Qb4 16.ab4+–) 15.Ne4 de4 16.Nd4 Qd2 (16...a6 17.c4 f5 18.d3+–) 17.Qb4 (better is 17.c3!? Be6 18.Rc1 Bd5+–) 17...Qb4 18.ab4 Nd7 (18...Bd7 19.f3 Ke7 20.fe4+–) 19.Nc6 Nf6 (19...a6 20.Bb5! Nb6 21.Rfd1+–) 20.Ra7 Ra7 21.Na7 Bd7 22.Bb5 Bb5 1–0. Hal1958 – Chn, playchess.de, 2006.

5.e3 Nc6 6.Bb2 Nge7 7.Nh4 Qe4 (7...Qh6 8.a3 Bc5 9.Nf3=) 8.Nf3 (8.Bg7 Rg8 9.Bf6 d5+/–) 8...0–0= 9.Bd3 Qg4 10.0–0 d5 11.Nd4 (11.Nc3 Re8=) 11...Qg5 12.Qf3 (12.f4 Qh4=) 12...Bg4 (better is 12...Ne5!? 13.Qg3 Qg3 14.fg3 Nd3 15.cd3 Bd7–/+) 13.Qg3+= h5? (13...Nd4 14.Bd4 c5 15.a3 cd4 16.ab4+=) 14.f3?? (better is 14.h3 Nd4 15.Bd4+– (15.hg4?! Ne6=)) 14...Bd6= 15.Qf2 Bh3? (better is 15...Nd4 16.Bd4 Bd7=) 16.f4+– Qg4 17.Be2 Qg6+/– 18.f5 Qg5 19.Nf3 Qg4? 20.Ne5?? Be5? 21.Bg4+– Bg4? 22.Be5 Ne5 23.f6 Nf5 24.h3 Bh3 25.gh3 g6 26.Qg2 Nh4 27.Qg3 d4 28.ed4 Nc6 29.Qh4 Rad8 30.c3 Na5 31.Rf2 Rde8 32.Rg2 Re6 33.Qh5 Nc4 34.Qc5 Nb2 35.Qc7 Nd3 36.Qb7 Nf4 37.Rh2 Re1 38.Kf2 Nd3 39.Kf3 Rfe8 40.Qb5 Nc1 41.Na3 R8e6 42.Qb8 Re8 43.Qg3 R1e6 44.Rc1 Rf6 45.Kg2 Re2 46.Kg1 Re4 47.Qb8 Kh7 48.Qa7 Rf5 49.Rf1 Kh6 50.Rf5 gf5 51.Qf7 Kg5 52.Rg2 Kf4 53.Rg4 Kf3 54.Re4 Ke4 55.Qg6 Kd3 56.Qf5 Kd2 57.Qf3 Kc1 58.Qf2 Kd1 59.Kf1 (59.Kf1 Kc1 60.Qc2#; 59.c4 Kc1 60.Qc2#) 1–0. Neumann,Frank (1650)–Mix,Rolf (1735), RSX7D–Oldenburg–1, 2007.

5.e3 Nc6 6.Bb2 Nf6 7.a3 Ba5 8.Bd3+= d5?? 9.Bg6+– hg6 10.Ng5 Bf5 11.0–0 Rd8 12.d3 Ne7 13.c4 dc4 14.Qa4 Nc6 15.Qc4 Rd7 16.e4 Bg4 17.f3 Bb6 18.Kh1 Bd4 19.Bd4 Nd4 20.fg4 Ne2 21.e5 Ng3 22.Kg1 Nf1 23.ef6 Nh2 24.fg7 Rg8 25.Kh2 1–0. rabelloenter (1960) – mgoodrich (2030), net–chess.com, 2006.

5.e3 Nc6 6.Bd3 Qe6 7.Bg7 f6 8.Bh8 d5 9.0–0 Bd7 10.Re1 0–0–0 11.e4 d4 12.Qe2 Nh6 13.Bc4 Qe7 14.Qd3 Rh8 15.Nd4 Ne5 16.Qb3 Nc4 17.Qc4 Rg8 18.c3 Bd6 19.d3 Qe5 20.g3 Ng4 21.f4 Qh5 22.Qg8 Be8 23.Qe6 Bd7 24.Qg8 Be8 25.Qg4 Qg4 26.Nd2 Bf4 27.N2f3 Bd6 28.Re2 c5 29.Nf5 Qf3 30.Nd6 Kd7 31.Rf2 Qd3 32.Nb7 Qc3 33.Rd1 Kc6 34.Nd8 Kb5 35.Rb1 Ka4 36.Ne6 c4 37.Nc5 Ka5 38.Nb7 Ka6 39.Nc5 Ka5 40.Kg2 Bc6 41.Kh3 (time) 1–0. ronnieg – FRAMARO, fics, Oklahoma City, OK USA, 2001.

5.e3 Nc6 6.Bd3 Qh6 7.Bc7 Nge7 8.a3 Bc5 9.Bf4 Qf6 10.Nc3 d6? (better is 10...d5+–) 11.Ne4 Qb2 12.Bd6 (12.Nd6?! Bd6 13.Bd6 Qf6+–) 12...Bd6 13.Nd6 Kf8 14.0–0 b6 (14...Qf6 15.Ne4 Qg6+–) 15.Ng5 f6 (15...Qf6 16.Ngf7 g6+–) 16.Qh5 g6 (16...Ng6 17.Nh7 Rh7+–) 17.Qh6 Kg8 18.Bc4 (18.Bc4 Nd5 19.Bd5 Be6 20.Be6) 1–0. usingprogram (1980)–edgar1960, kurnik, 2011.

5.e3 Ne7 6.g3 d6= 7.Bd3 Qg4 8.h3+/– Qe6 9.Bg7 Rg8 10.Bb2 Nbc6? 11.a3 Bc5 12.Bb5 Bd7 13.d4 Bb6 14.Nc3 a6 15.Ba4 Na5 16.d5+– Qg6 17.Nh4 Qg7 18.Bd7 Kd7 19.Na4 Qf8 20.Qd3 Rg5 21.c4 Nc4 22.Qc4 Rd5 23.Bf6 Ra5? 24.Qg4 Ke8 25.0–0 h5 26.Qe4 d5 27.Qe7 Qe7 28.Be7 Ra4 29.Nf5 Kd7 30.Bb4 a5 31.Bc3 Rg8 32.h4 Ke6 33.Nd4 Bd4 34.Bd4 c5? 35.Bc5 Rh4 36.Rab1 Rc4 37.Rfc1 Ra4? 38.Rb7 h4 39.Kg2 hg3 40.fg3 f5 41.Kf3 Rag4 42.Re7 Kf6 43.Bd6 Rg3?? 44.Bg3+– (44...Ke7 45.Rc5+–) 1–0. wlittle (2160) – pede (1775), net–chess.com, 2002.

5.e3 f6 6.Bc7+– (6.Bd3 Qf7 7.a3 (7.Bc7 d6 8.Bb8 Rb8 9.a3 Ba5 10.Nc3 Ne7 11.Nb5 Qd5 12.Bc4 Qc5) 7...Ba5 8.Bc3 Nc6 9.Ba5 Na5 10.Nc3 Nh6 11.0–0 0–0 12.Nd4 b6) 6...Nc6 (6...Na6 7.Nh4 Qg5 (7...Qe4 8.Bg3 d5 9.Bd3 Qg4 10.f3 Qg5 11.f4 Qg4 12.Be2 Qe6) 8.Bf4 Qc5 9.c3 Ba5 10.Ba6 ba6 11.Qf3 d5 12.Qh5 Kf8) 7.a3 Ba5 (7...Bc5 8.Nc3 Nge7 9.Na4 b6 10.Nc5 bc5 11.Bd3 Qf7 12.c4 Qe6; 7...Be7 8.Bc4 Nh6 9.Nc3 Nf7 10.Nd5 Qg4 11.Qe2 Nd6 12.Bb3 Ne5) 8.Ba5 Na5 9.Bd3 Qf7 10.Nc3 Ne7 11.0–0 (11.Nd4 0–0 12.0–0 d5) 11...Nac6 (11...0–0 12.Qb1 d5) 12.Nb5 0–0 13.c4 d5 14.Nd6 Qe6 15.c5 b6 16.Nd4 Nd4 17.ed4 (17.Nc8?! Rac8 18.ed4 bc5+=) 17...bc5 18.dc5 a5 19.Re1 Qd7 20.Rb1 Ng6? (20...Qc7 21.Qe2 Nc6+–) 21.Qf3 Ne5 (21...Ne7 22.Bf5!! Nf5 23.Qd5 Kh8 24.Qa8 Nd6 25.cd6 Qd6 26.Qa5 Rd8+–) 22.Qd5 Kh8 23.Re5 fe5 24.Qa8 Qd6 (24...Qc7 25.Qe4 g6 26.Qe5 Qg7+–) 25.cd6 (25.cd6 Rg8 26.Qe4 g6 27.Qe5 Rg7 28.Rb8 h6 29.Bg6 Kg8 30.Rc8) 1–0. Anonymous – Anonymous, internet, 2011.

5.g3 d6 6.Bb2 Bg4 7.Bg2 (7...c6 8.a3=). coloplayah (2170) – vikru (1625), net–chess.com, 2006.

5.Bc7 Na6

6.Ne5 Qf6 7.c3 Nc7 8.Nf7 –+.

6.Bf4 Bc5 7.Nc3 Qb6 8.e3+– d6 9.Bb5 Bd7 10.Bd7 Kd7 11.0–0 Bb4 12.Ne2 f6 13.c3 Bc5 14.d4 Ba3 15.Qa4 Qc6 16.Qa3 Ne7 17.e4 Qe4 18.Qd6 Ke8 19.Ng3 Qc6 20.Rfe1 Qd6 21.Bd6 Kd7 22.Be7 Rac8 23.Rab1 b6 24.Nf5 Rc3 25.Ng7 Rc2 26.Bf6 Rf8 27.Re7 Kc8 28.Be5 Nb4 29.Ra7 Rg8 30.Ra8 Kb7 31.Rg8 Ka6 32.Ne1 Ra2 33.Rb4 Ra1 34.Ra8 Kb7 35.Ra1 Kc6 36.Rc1 Kd5 37.f3 b5 38.Rb5# 1–0. Fritz 6 – NN, 2003.

6.Bf4 Ne7 7.Nc3 +/–.

6.Bf4 Nf6 7.Nc3 +/–.

6.Bg3 Ne7 7.c3 Ba5 8.d4 Nd5 9.Qb3+/– Ne7 10.e3+– 1–0. Wall,Bill – Vif, internet, 2001.

6.Bg3 Nf6 7.Nc3 +/–.

5.Bc7 Nc6

6.a3 Bc5 7.d4 (7.Nc3 Nf6 8.e3+/–) 7...Bd6 (7...Bb6!? 8.Bb6 ab6+/–) 8.Bd6+– Qd6 9.e4 (9.Nc3 Nf6 10.e4 Qe7+–) 9...Nh6 (9...Qe7 10.Nc3 Nf6 11.e5+–) 10.Bc4 (10.Be2 0–0+–) 10...0–0 (10...Qg6 11.Nc3+–) 11.Qd3 Na5 (11...Qg6 12.0–0+–) 12.Bd5 Rb8 (12...Qe7 13.Qd2 Nc6 14.0–0+–) 13.c4 (13.Nc3 Qg6+–) 13...b6 (13...Qg6 14.0–0+–) 14.0–0 Bb7 (14...Ba6 15.Rd1+–) 15.e5 (15.Nc3 Bc6+–) 15...Qe7? (better is 15...Qg6 16.Qg6 hg6+/–) 16.Nc3+– Bd5 (16...Bc6 17.h3+–) 17.Nd5 (17.cd5?! f6+–) 17...Qd8 18.h4 Rc8 (18...f5 19.ef6! gf6 20.Nd2+–) 19.Ng5 g6 20.Rac1 (20.Nf6 Kg7 21.c5 Nc6+–) 20...Nf5 (20...Rc6 21.f4+–) 21.Nf6 (21.g4 h6 22.gf5 hg5 23.Nf6 Kg7 24.hg5 Rh8+–) 21...Kg7 22.g4 (22.Ngh7?! Rh8 23.g4 Rh7 24.Nh7 Kh7 25.gf5 Qh4 26.fg6 fg6+–; 22.Nfh7?! Rh8 23.g4 Rh7 24.Nh7 Qh4 25.gf5 Kh7+–) 22...Nh4 (22...h6 23.gf5 hg5 24.hg5+–) 23.Qg3 h6 24.Qh4 Nc4 25.Nge4 Na3 (25...d5 26.ed6! Nd6 27.Rc8 Nc8+–) 26.Rc8 Qc8 27.Nd6 Qd8 28.g5 h5 (28...Rh8 29.gh6 Rh6 30.Nfe8 Qe8 31.Ne8 Kf8 32.Qd8 Rh8 33.Nd6 Kg7 34.Qf6 Kh7 35.Kg2 Rf8 36.Rh1 Kg8 37.Rh8) 29.Nh5! gh5 30.Qh5 Kg8 (30...f5 31.Qh6 Kg8 32.Qg6 Kh8 33.Kg2 Qg5 34.Qg5 Rf7 35.Nf7 Kh7 36.Rh1) 31.Nf5 f6 (31...Qf6 32.gf6 Rb8 33.Qh6 Rc8 34.Qg7) 32.Qg6 Kh8 33.Qg7 1–0. pozarski (1960) – zappa_77, GameColony.com, 2002.

6.a3 Be7 7.Nc3 Nf6 8.Nb5 a6 9.Nd6 Bd6 10.Bd6 Ne4 11.Bf4 0–0 12.d3 Qf6 13.de4 Qf4 14.Qd5 d6 15.Rd1 Be6 16.Qd3 Rad8 17.e3 Qf6 18.Nd4 Ne5 19.Qd2 Ng4 20.a4 Qh6 21.h3 (21.Ne6 fe6 22.f4 Nh2=+) 21...Nf6 22.Qb4 Ne4 23.Qb7 Qh4 24.g3 Qf6?? (better is 24...Ng3 25.fg3 Qg3 26.Kd2 d5+–) 25.Qe4+– d5 26.Qf4 Qg6 27.Bd3 f5 28.Ba6 Qe8 29.Qe5 Qa4 (29...Bd7 30.Qe8 Rfe8+–) 30.Ne6 Rfe8 (30...Qb4 31.c3 Qe7 32.Rd5 Rde8+–) 31.Qg7# 1–0. b4_player (2160) – tobberandom, GameColony.com, 2003.

6.a3 Be7 7.e3 +/–.

6.a3 Qf6 7.Ra2 Bd6 8.Bd6 Qd6 9.Nc3 +/–.

6.c3 Bc5 7.d4 Bd6 8.Bd6 Qd6 +–.

6.c3 Bc5 7.d4 Be7 8.g3 d6 9.d5 Ne5 10.Ne5 de5 11.d6 Bd8 (11...Bg5 12.Nd2 Nf6 13.Bg2+–) 12.Bg2 Bc7 13.dc7 Qf6 14.Na3 Ne7 (14...Qe7 15.Qa4 Kf8+–) 15.Qd8 1–0. pierred – anony, internet, 2014.

6.c3 Bc5 7.d4 Qf6?? 8.dc5+– a5 (8...Qg6 9.e3+–) 9.e3 a4 (9...Nh6 10.Qd6 Qd6 11.cd6+–) 10.Bb5 Na5 (10...Qf5 11.Bd6+–) 11.Be5 (better is 11.Qa4 Qg6 12.Nbd2 Ne7 13.Ba5 0–0+–) 11...Qg6 12.0–0 Ne7 13.Nbd2 (13.Qa4 Nec6+–) 13...f6 (13...a3 14.Qa4 Nec6 15.Bc7+–) 14.Bd4 (14.Bd6 Nac6+–) 14...0–0 (14...Nec6 15.Ba4 0–0 16.Bc2+–) 15.Nh4 (15.Qa4!? Nec6+–) 15...Qf7 (15...Qg5 16.Ndf3 Qh5 17.e4+–) 16.f4 (16.Qa4 Nec6+–) 16...b6 (16...a3 17.Ne4 Qe6 18.Nd6+–) 17.cb6 Qd5 (17...a3 18.Qa4 Nec6 19.Qa3+–) 18.Ba4 Bb7 (18...Qb7 19.c4+–) 19.e4 (better is 19.Qg4+–) 19...Nc4 (19...Qe6+–) 20.ed5 Ne3 21.Qb3 (better is 21.Be3 Nd5 22.Bd4 Kh8+–) 21...Bd5 22.c4 Nf1 23.Rf1 Be6 24.f5 g5 25.fe6 gh4 26.Bf6 Nc8 27.ed7 Rf6 28.Rf6 Ne7 29.c5 Kh8 30.Qf7 Ng6 31.Bc2 Rf8 32.Qf8 Nf8 33.Rf8 Kg7 34.d8Q h5 35.Qf6 1–0. bentengutama – sammeegirl, net–chess.com, 2002.

6.c3 Bd6 7.Bd6 Qd6 8.Qb3 Ne5 (8...Nf6 9.e3+/–) 9.Na3 Nf3 10.gf3 Nf6 11.Nb5 Qb6 12.Qb4 a5?? (better is 12...Kd8+/–) 13.Nd6+– Qd6 14.Qd6 b6 (14...Ra6 15.Qe5 Re6 16.Qa5+–) 15.Rg1 Ba6 (15...Ra6 16.Qe5 Kd8 17.Rg7+–) 16.Rg7 Rg8 17.Qf6 Rg7 18.Qg7 Ke7 19.Qe5 Kf8 20.Qh8 Ke7 21.Qa8 Be2 22.Be2 1–0. Pierre – opponent, internet, 2009.

6.c3 Be7 7.e3 d6 8.Na3 Bd7 9.Qb1 b6 10.Qg6+– hg6 11.Nb5 Nb4?? 12.cb4 Bb5 13.Bb5 Kf8 14.Rc1 Nf6 15.Bc6 Rc8 16.Bb7 Rc7 17.Rc7 (17...Bd8 18.Rc8+–) 1–0. b4_player – opponent, gamecolony.com, 2008.

6.e3 Nge7 7.Nc3 d6 +/–.

6.e3 Nf6 +/–.

6.Bg3 Nge7 7.e3 0–0 8.Be2 d6 9.c3 Ba5 10.0–0 Bg4 11.h3 Bh3?? (better is 11...Be6+/–) 12.gh3+– Nf5 13.Kh2 Ne5 (13...Rfe8 14.Bd3 Qh5 15.Bf4+–) 14.Ne5 (14.Be5?! de5 15.Ne5 Bc7+–) 14...de5 15.Be5 Nh4 (15...Rfe8 16.d4 Re5 17.de5+–) 16.Rg1 Qh6 (16...Qe6 17.Bg7 Rfc8 18.Bd4 Kf8 19.Bg4+–) 17.Bg7 Qg7 18.Rg7 Kg7 19.Qg1 Ng6 20.f4 f5 21.h4 Kf6 22.Qg5 Kg7 23.h5 Bd8 24.Qg3 Kf7 25.hg6 hg6 26.Bc4 Kf6 27.Qf3 Rh8 28.Kg2 Rb8 29.d4 Be7 30.e4 Rbc8 31.e5 Kg7 32.Qb7 Rce8 33.Na3 a5 34.Nb5 Kh6 35.Rh1 Kg7 36.Rh8 Kh8 37.d5 Bc5 38.d6 Rd8 39.Qf7 Rg8 40.Qg8# 1–0. retiponziani – gordiemac, ChessWorld.net, 2012.

6.Bg3 Qf6 7.c3 Bc5 8.e3 Bb4? (8...d5 9.d4 Bd6 10.Nbd2+/–) 9.a3 (better is 9.Bh4!? g5 A) 10.cb4 Qa1 11.Ng5 h6+/– (11...Nb4? 12.Qb3 d5 13.Qb4+–); B) 10.Bg5+–) 9...Be7+/– 10.d4 a6 (10...d5 11.Qb3+/–) 11.Bd3 (11.d5!? Na5+–) 11...d5 12.h3 b5 13.0–0 Nd8 (13...Qe6!?+–) 14.Be5 Qh6 15.Kh2 (15.a4 ba4 16.Qa4 Bd7+–) 15...Bg4 (15...Nf6 16.a4 ba4 17.Qa4 Nd7 18.Bf4+–) 16.Nbd2 Ne6 (16...Nc6 17.Bf4 g5 18.Bg3+–) 17.Qc2 Bg5? (17...Rc8+–) 18.Ng5 Ng5 19.Bf5 (better is 19.a4!? ba4 20.Qa4 (20.Ra4?! Nh3 21.gh3 Bh3+/–) 20...Bd7 21.Qa5 Nh3 22.gh3 Bh3 23.Kg1 Qg5 24.Bg3 Bf1 25.Kf1+–) 19...Bf5+/– 20.Qf5 Ne7 21.Qg4 f6 22.Bf4 f5?? (better is 22...Qg6+/–) 23.Qg5 (23.Bg5?! fg4 24.Bh6 gh6 25.hg4 Rc8+–) 23...Qg5 24.Bg5 Ng6 25.Nf3 Nf8 26.Ne5 Ne6 27.Bh4 Rc8 28.Rfc1 0–0 Black prepares f4 (28...g5 29.Bg3+–) 29.a4 ba4 30.Ra4 f4 (30...g5 31.Ra6 Rfe8 32.Nd7+–) 31.Ra6 fe3 (31...Rfe8 32.c4 g5 33.Nd7+–) 32.fe3 Nc7 33.Rc6 g6 34.Be7 Rf2 35.Bd6 Rb8 36.Rc7 Rbb2 37.Rg1 g5 38.Nd3 Rf7 39.Nb2 Rc7 40.Bc7 Kg7 41.Be5 Kg6 42.g4 h5 43.gh5 Kh5 44.Bf6 g4 45.Rg4 Kh6 46.e4 de4 47.Re4 Kg6+– 48.Be5 Kf5 49.Rf4 Ke6 50.c4 Ke7 51.Rf6 Kd7 52.h4 Ke7 53.h5 Kd7 54.h6 Ke8 55.h7 Ke7 56.h8Q Kd7 57.Qg7 Kd8 58.Rf8 1–0. The Word – karlsdad, ChessWorld.net, 2011.

5.Bc7 d6

6.c3 Na6+/– 7.cb4 Nc7+= 8.Nc3 Nf6 +=.

6.c3 Na6+/– 7.cb4 Nc7+= 8.d4 Bf5 9.Nh4+/– Qf6 10.Nf5 Qf5 11.Nd2 b5 12.e4 Qe6 13.Rc1 0–0–0?? 14.Bb5 d5 15.Rc6 Qd7 16.Qa4 a6 17.Qa6 Kb8 18.Rb6# 1–0. themonkey – rrubeiz, GameColony.com, 2002.

6.c3 Na6+/– 7.cb4 Nc7 8.e3 Qf6 9.Nc3+/– Be6 10.Bb5 Nb5 11.Nb5 Qe7 12.0–0 1–0. gtate (1810) – alexwatts, net–chess.com, 2002.

6.c3 Na6+/– 7.e3 Nc7 8.Qa4 Bd7 9.Qb4 Bc6 +/–.

6.c3 Bc5? 7.d4+– Na6 8.dc5 Nc7+/– 9.cd6 Nb5 10.c4 Nd6 11.e3 Qf6 12.Nbd2 Bg4 13.Be2 Nh6 14.h3 Bf3 15.Nf3 Rc8 16.Qa4 Rc6? 17.0–0+– a6? 18.Nd4 b5 19.cb5 Rc4 20.Bc4 0–0 21.ba6 Nc4 22.Qc4 Ra8 23.Rfc1 g6 24.Qc6 Ra6 25.Qf6 Rf6 26.Rc8 Kg7 27.a4 Nf5 28.Nf5 Rf5 29.a5 Ra5 30.Ra5 f6 31.g4 Kh6 32.h4 f5 33.f3 fg4 34.fg4 Kg7 35.Rc7 Kf6 36.Kf2 h6 37.Rc6 Ke7 38.Ra7 Kd8 39.Rcc7 h5 40.Rh7 hg4 41.Rh8# 1–0. M8IN3 – test1, Live Game Caissa's Web, 2005.

6.c3 Bc5? 7.d4+– Bb6 8.Bb6 ab6 9.e3 h6 10.Bd3 Qg2 11.Rg1 Qh3 12.Rg7 Be6 13.Nbd2 Ne7 14.Rg3 Qh5 15.Ne4 Ng6 16.Nf6 (16...Kd8 17.Nh5+–) 1–0. Bonetti,Shane – baldchicken, ICC, 2002.

6.e3!? Na6 7.Bd3 +/–.

6.Bb8 Rb8

7.c3 Ba5?? 8.Qa4+– Bd7 9.Qa5 b6 10.Qa7 Rd8 11.Na3 Nf6 12.Nc4 0–0 13.Nb6 Bg4 14.Nd4 Rb8 15.Nc6 Rbe8 16.f3 Bf3 17.gf3 Kh8 18.e3 Qc2 19.Bc4 Qb2 20.Ke2 Qc2 21.Bd3 Qb2 22.Rab1 Qc3 23.dc3 1–0. qyuo – hvhn, internet, 2009.

7.c4 Bf5?? 8.Qa4+– Ke7 9.Qb4 Nf6 10.Nh4 Qh5 11.Nf5 Qf5 12.Nc3 Ng4 13.Nd5 Kd7 14.Qb5 Kd8 15.f3 Ne5 16.Qa5 b6 17.Qa7 Nc6 18.Qc7 Ke8 19.Qc6 Qd7 20.Qd7 Kd7 21.e4 Rhe8 22.a4 Kc6 23.d4 Re6 24.Bd3 g6 25.Kd2 Ra8 26.Rhb1 Rb8 27.a5 (27...Ree8 28.a6+–) 1–0. HFlew – Wilmy, playchess.de, 2003.

7.c4 Qf6 8.Nc3 Bc3 9.dc3 Qc3 10.Nd2 Nf6= 11.Rb1 0–0 =+.

7.c3 Bc5

8.d4 Bb6 9.Qd3 Bf5 10.Qb5 Bd7 11.Qg5 Rc8 (11...Qc2 12.Qd2 Qg6 13.e3+=) 12.Qg6 hg6 13.e4 Ba5 The backward pawn on c3 becomes a target (13...Nf6 14.Bd3+=) 14.Kd2 Nf6 15.Bd3 Ng4 16.h3 (better is 16.Ke2!?+/–) 16...Nf2= 17.Rc1 f5 (17...Bc6 18.Re1=) 18.Re1 0–0 (18...Nd3 19.Kd3 fe4 20.Re4 Kd8 21.Re3+=) 19.e5+= d5 (19...Nd3 20.Kd3 de5 21.Re5=) 20.e6 Nd3 21.Kd3 Bb5 22.Kd2 Rc4 (22...Rfe8 23.a4 Bc4 24.Ne5=) 23.a4 (23.Re5 Bc6+=) 23...Ba4 (23...Ra4 24.Na3 Ba6 25.Kc2=) 24.Re5 (24.Kd3 Rfc8 25.Nfd2 Rc3 26.Nc3 Rc3 27.Ke2=) 24...Bc7= 25.Rd5 Bc6 26.Rc5 Rc5–/+ 27.dc5 Re8 28.Kd3 Re6 29.Nbd2 Bb5 30.c4+= Ba6 31.Nd4 Re8 32.N2f3 f4 33.Nb5 Re3 34.Kd4= Bd8 35.Ra2 Bf6+= 36.Kd5 g5 37.Nbd4 Rd3 38.Ra6 ba6= 39.c6 Bd8 40.Ng5 Bc7 41.Nge6+– Bb8 42.c7 Bc7 43.Nc7 a5 44.c5 a4 45.Nce6 Kf7 46.c6 Ke7 47.Nc5 Rd4 48.Kd4 Kd6 49.Na4 Kc6 50.Ke5 Kb5 51.Nb2 a5 52.Kf4 Kb4 53.Ke3 Kc3 54.Na4 Kb4 55.Nb6 Kc5 56.Nd7 Kb4 57.Kd2 a4 58.Kc2 Kc4 59.Nb6 Kd4 60.Na4 Ke3 61.Nb2 Kf2 62.g4 Kg3 63.Nd1 Kh3 64.Ne3 Kg3 65.Kd3 Kf3 66.Kd2 Kf2 67.Kd3 Kf3 68.Kd4 Kf4 69.Kd3 Kf3 70.Kd2 Kf2 71.Nf1 Kf3 72.Nh2 Kg2 73.Ke3 Kh2 74.Kf4 Kh3 75.Kg5 g6 76.Kg6 Kg4 ½–½. Chirpii,Alexandru (1650) – Valceanu,Mihail (2120), Centrocoop June op–A, 1999.

8.d4 Bb6 9.Qd3 Qf6 10.Nbd2 Bf5 11.e4 Bg4 12.e5 de5 13.Ne5 Bf5 14.Qb5 Kf8 15.Bc4 Nh6 16.0–0 Qg5?? 17.Nd7 Bd7 18.Qg5 f6 19.Qd5 Bc6 20.Qd6 Ke8 21.Rfe1 Be4 22.Re4# 1–0. pereira – fsbi, internet, 2009.

8.d4 Bb6 9.e3 Nf6+/– 10.Bb5 Kd8 11.Bd3 Ne4 12.0–0.

8.d4 Bb6 9.e3 Nf6 10.Bd3 Qh5 11.Qa4 Bd7 12.Qa3 Qd5 13.0–0 0–0 14.c4 Qe6 15.Nc3 h6 (15...Rbc8 16.Rab1+/–) 16.e4+– Qe7?? (better is 16...Rbe8+–) 17.e5 Nh7 (17...Nh5 18.ed6 Qd8 19.Nd5+–) 18.ed6 Qe6 (18...Qd8 19.c5 Ba5+–) 19.c5 Bd8 (19...Ng5 20.Ng5 hg5 21.cb6 ab6 22.Rae1+–) 20.Rae1 (20.Rae1 Ng5 21.Re6 Nf3 22.gf3 fe6 23.Qa7+–) 1–0. Fritz11 – jumbo, casual, 2013.

8.e3 Bb6 9.d4 Nf6 10.Bb5 Kd8 11.Bd3 Ne4 12.Be4.

8.e3 Nf6 9.d4 Bb6 10.Bb5 Kd8 11.Bd3 Ne4 +/–.

8.e3 Nf6 9.d4 Bb6 10.Bd3 Qh5 11.Qa4 Bd7 12.Qa3.

8.e3 Bg4 9.d4 Bb6 10.Bb5 Kd8 11.h3 Qh5 12.Bc4.

5.Bc7 Qf6

6.a3 Qa1 7.ab4 Nc6 8.b5 Nb4 9.Be5 Qa2 10.Nd4 f6 11.Nc3 Qc4 (11...Qb2!? 12.Bg3 a6=) 12.e3 Qc5 13.Bg3 Ne7? (better is 13...f5+/–) 14.Ne4+– Qd5 15.Nd6 Kf8 16.c3 Na2 (16...Nbc6 17.e4 (worse is 17.Nc8 Nc8 18.bc6 bc6+–) 17...Qa2 18.bc6 (18.Nc8?! Nd4 19.Ne7 Nc2 20.Ke2 Ke7=) 18...dc6 19.Bc4+– (19.Nc8?! Nc8 20.Bd3 a5+–)) 17.e4 Qe6 (17...Nc3 18.dc3 Qc5+–) 18.Ne6 (18.Ne6 de6 19.Qc2+–) 1–0. Janek – Vesely, internet, 2016.

6.Be5 Qg6 7.a3 d6 (7...Ba5!?+/–) 8.ab4+– de5 9.Ne5 Qf6 (9...Qd6 10.Nd3+–) 10.d4 Nc6 11.Nc6 bc6 (11...Qc6 12.e3+–) 12.c3 (12.e3 Be6+–) 12...Rb8 (12...Bg4 13.Ra6+–) 13.Ra7 Nh6 (13...Ne7 14.e4+–) 14.e4 Bg4 (14...Rb7 15.Rb7 Bb7 16.Bd3+–) 15.Be2 (15.f3 Be6+–) 15...Be2 16.Qe2 (16.Ke2?! 0–0+–) 16...0–0 17.Qf3 Qf3 (17...Qe6 18.0–0+–) 18.gf3 Ra8 19.Rc7 Ra1 (19...Rfc8 20.Rc8 Rc8 21.Ke2+–) 20.Ke2 Ra2 (20...Ra6 21.d5 cd5 22.ed5 Ra2 23.Nd2+–) 21.Nd2 Re8 (21...Ra6 22.Nc4+–) 22.Rc6 Rf8 (22...f5 23.e5+–) 23.Rb1 (23.b5 Rfa8+–) 23...Rd8 24.c4 (24.d5 Kf8+–) 24...g6 (24...f5 25.d5+–) 25.d5 Rb8 (25...Kf8 26.c5+–) 26.b5 Rba8 (26...Kf8 27.c5+–) 27.b6 Ra1 (27...Rd2 28.Kd2 Ra2 29.Ke3 Ra3 30.Kf4+–) 28.Ra1 (28.b7 Rb8 29.Rc8 Kg7 30.Rb8 Rb1 31.Nb1 Kf6+–) 28...Ra1 29.b7 Rb1 30.Nb1 Nf5 31.b8Q Kg7 32.Qe5 Kh6 33.Qf4 Kg7 34.ef5 f6 (34...h5 35.fg6 f5 36.c5 h4 37.Qd4 Kh6 38.Qh4 Kg7 39.Qh7 Kf8 40.Rc8) 35.Rc7 Kg8 36.Qd6 1–0. pierre – cole baker, ChessHere.com, 2005.

6.Be5 Qg6 7.Nc3 d6 8.Nd5 Ba5 +/–.

6.Be5 Qg6 7.e3 Nc6 8.a3 Be7 9.Nc3 +/–.

6.Be5 Qg6 7.e3 d6 8.Bd3 (8.Bd3 Qg2 9.Rg1 Qg1 10.Ng1 de5 11.a3+/–; 8.Bf4 Ne7+/–) 1–0. "lasker" (1980) – SuperNozz, internet, 2007.

6.Be5 Qg6 7.e3 f6 8.Bd3 Qg2 9.Rg1 Qh3 10.Bb8 Rb8 11.Rg7 b6 12.a3 Bf8 13.Rg3 Qe6 14.Nd4 Nh6?? (better is 14...Qd5+–) 15.Ne6 de6 16.Qf3 Be7 (16...Ke7 17.Qc6 Bd7 18.Qc7+–) 17.Qf4 Rb7 18.Qh6 e5 19.Nc3 a5 20.Nd5 Be6 21.Bb5 Kd8 22.Ne7 Ke7 23.Qg7 Kd6 24.Qb7 h5 25.Qb6 Ke7 26.Qc7 Kf8 (26...Bd7 27.Qd7 Kf8 28.Qg7#) 27.Qg7# 1–0. pierre – anikopastorek19, internet, 2012.

6.Be5 Qh6 7.e3 f6 (7...Nc6 8.Bf4 Qf6 9.c3+/–) 8.Bf4+– (8.Bf4 Qg6 9.a3+–) 1–0. pierre (2160) – gurvinder372, internet, 2007.

5.Bc7 Nf6

6.a3 Na6 A) 7.Bg3 A1) 7...Be7 8.Nc3 0–0 9.e3 d6 10.Bd3 Qh5 11.Ba6+/–; A2) 7...Ba5 8.Nh4 Qe4 9.e3 Nc5 10.Be2 0–0 11.0–0+/–; B) 7.Be5 Be7 8.e3 Nc5 9.Nc3 0–0 10.Nb5 Ne8 11.Bf4+/–; C) 7.Bf4 C1) 7...Nd5 8.Bg3 Be7 9.e3 0–0 10.Bd3 Qb6 11.c4+/–; C2) 7...Nh5 8.Bg5 Ba5 9.e3 Nc5 10.c3 Ne4 11.Bd3+/–; C3) 7...Be7 8.e3 Nd5 9.Bg3 0–0 10.Bd3 Qh6 11.Nd4+/–.

6.a3 Bc5 +/–.

6.a3 Be7 7.Nc3 0–0 8.d4 d5 9.h3 Nc6 10.e3 Bf5 11.Nh4+– Qg5 12.Nf5 Qf5+= 13.Bb5 Ne4 14.Ne4+/– Qe4 15.0–0 Rac8 16.Bd3 Qe6 17.Bf4 Na5 18.Qh5 g6 19.Qh6 Rfe8 20.Be5 Bf6 21.f4 Be5 22.fe5+– Nc4 23.Rf6 Qe7 24.e4 de4 25.Be4 Na3?? 26.Bd5+– Rf8 27.Raf1 Rc7 28.e6 Nc2 29.Rf7 Rf7 30.ef7 Qf7 31.Rf7 Rf7 32.Qf4 (32...Kg7 33.Qf7 Kh6 34.Qf8 Kg5 35.h4 Kg4 36.Qh6 Nd4 37.Qg5#) 1–0. wesolyPolak – NN, GameColony.com, 2002.

6.Bb8 Rb8 7.c3 Ba5 8.e3 0–0 9.Na3 d5 10.Nb5 Bg4 11.Nbd4 b5?? 12.h3 Be6? 13.Nc6+– Rbe8 14.Na5 (14…Bd7 15.Qb1+–) 1–0. 5352 – cip9, Live Game Caissa's Web, 2004.

6.c3 Na6 7.Be5 Be7 8.e3 +/–.

6.c3 Bc5 7.d4 Be7 8.Bb8 Rb8+= 9.Nbd2 d5 10.Ne5+/– Qf5 11.g3 Ba3?? 12.Rb1 Ne4?? 13.Ne4+– Qe4 14.Nf3 0–0+= 15.Bg2 Qf5 16.0–0 b6 17.Qd3 Qd3 18.ed3+/– Bf5 19.Rfd1 Rbc8 20.Rb3 Be7 21.h3 h5 22.Bf1 Rc7 23.c4 dc4 24.dc4 Bc2= 25.Rbb1 Bf6 26.Rbc1 Bd1 27.Rd1 g5 28.Ne5 Rd8 29.f4 g4 30.h4 Bg7 31.d5 f6 32.Nc6= f5?? (better is 32...Rd6 33.Bd3 f5=). M8IN3 – JimWa, Live Game Caissa's Web, 2005.

6.Be5 Nc6 7.Bf6 Qf6 8.c3 0–0 9.e3 a6 10.Be2 Ba5 11.0–0 d5 12.d4 Bc7 13.c4 dc4 14.Bc4 Bf5 15.Nc3 Rad8 16.Nd5 Qd6 17.Nc7 Qc7 18.Rc1 Qd6 19.Bd3 Bg4? 20.h3 Be6 21.Bb1 Bd7 22.Ng5 g6 23.Ne4 Qe7 24.Qf3 f5 25.Nc5 Bc8 26.Rfd1 Qd6 27.a4 b6 28.Nd3 Bb7 29.Ba2 Kh8 30.Ne5 Ne5 31.Qb7 Nd7 32.Qa6 Qa3 33.Be6 Nb8 34.Qa7 b5 35.Rc7 Qa4 36.Rh7 1–0. Loulou – hunter_on_a_farm, HCL–B1699 playchess.de, 2003.

6.g3 0–0 7.Bg2 Nc6 8.Ne5 Ne5 9.Be5 Qf5 10.Bb2 d5 11.0–0 (11.Bf6 Qf6 12.c3 Be6+/–) 11...Rd8+= 12.c3 Ba5 13.Na3 Bb6 14.Nc2 Bd7 15.Rb1 Ba4 16.d3 h5 17.Qc1 h4 18.Ne3 (worse is 18.gh4 Bc2 19.Qc2 Ng4=) 18...Qe6 19.d4 hg3 20.hg3 Rac8 21.Qd2 a6 22.Ba3 Bb5 23.Rfe1 Ne4 Attacks the backward pawn on c3 24.Be4 Qe4 25.Ng2 Rc6 26.f3 Qe8 (26...Qg6 27.Be7 Re8 28.Qg5+=) 27.Kf2 Re6 28.Nf4 Rh6 29.Kg2 Ba5 30.Bb4 Bb4 (30...Bc7 31.e4 de4 32.Re4=) 31.cb4+= Bc4 32.a3 Rd7 33.Rh1 Rh1 34.Rh1 Re7 35.Kf2 f6 36.Re1 Qa4 37.Qb2 Qe8 38.Qc2 Qb5 39.Ng6 Re8 40.Nh4 a5 41.ba5 Qa5 42.Qb2 b5+= 43.Nf5 Ra8 44.Nd6 Qa3 45.Qa3 Ra3 46.e4 b4 47.Nc4 dc4+= 48.f4? b3–+ 49.d5? b2 50.d6 c3 51.d7 Ra8 (51...Ra8 52.Rb1 c2 53.Rb2 c1Q–+) 0–1. algernon (2150) – kinderchocolate (2235), net–chess.com, 2013.

6.g3 Nc6 7.Bg2 0–0 8.c3 Bc5 9.d4+/– Be7 10.Qb3 b6 11.Ne5+/– Bb7?? 12.Ng6+– hg6 13.0–0 d5 14.Be5 Ne5 15.de5 Nd7 16.Bd5 Bd5 17.Qd5 Rad8 18.Qb7 Bc5 19.Nd2 a5 20.Nf3 f5 21.Rad1 Ne5 22.Ne5 Bf2 23.Kf2 Rd1 24.Rd1 Rb8 25.Qf7 Kh8 26.Ng6 Kh7 27.Ne7 Rf8 28.Qh5# 1–0. Fredek (2090) – Lamatlama, Freundschaftspartie, 5m + 0s, 2005.

5.e3 d6

6.a3 Bc5 7.Bb2 Nf6 +=.

6.Bb2 Ne7 7.g3 (7.Bd3!? Qh5 8.Nc3+=) 7...Nbc6 8.Bg2 (8.a3 Ba5=) 8...Bg4 9.c3 Bc5 10.d4 Bb6 11.0–0 0–0–0 12.h3 Be6 13.Nh4 White plans d5 13...Qf6 14.d5 Nd5 (14...g5!? 15.dc6 gh4 16.cb7 Kb8=) 15.Bd5+/– Bh3 16.Bc6 Bf1 17.Bb7 Kb7 18.Qf1 (worse is 18.Kf1 Be3 19.Qc2 Rhe8+=) 18...g5 19.Ng2 h5 20.Nd2 (20.Qe2 Rh6+=) 20...Qf5 (20...h4!?=) 21.c4+= h4? (better is 21...Rh6+=) 22.Bh8+– Rh8 23.Rb1 hg3 24.Rb6?? (better is 24.fg3 Qc2 25.Qc1+–) 24...ab6–/+ 25.fg3 Qc2 26.Qf3 Kc8?? 27.Qa8+– Kd7 28.Qh8 Qd2 29.Qf6 Qc1 30.Kh2 Qc4+/– 31.Qg5 Qa2 32.Qg4 Kc6 33.Qf3 Qd5 34.e4 Qe5 35.Nf4 Qh8 36.Kg2 Qb2 37.Ne2 Kb7? 38.e5+– c6?? 39.Qf7 Ka6 40.Qc4 Kb7 41.ed6 Qg7 42.g4 Qd7 43.Qf4 Qe6 44.Nd4 Qd5 45.Nf3 c5 46.g5 Kc6 47.g6 Qg8 48.Qf6 1–0. Baer,Cy (1895) – Juha,Michael (1820), RSS4D easy–53, 2007.

6.Bd3 Qh6 7.Bb2 (7.a3 Bc5 8.Bb2 Nf6=) 7...Nc6 (7...Nf6 8.a3 Bc5 9.Nc3=) 8.a3+= Bc5 9.Be2 Nf6 10.d4 Bb6 11.c4 Bg4 12.Nbd2 a6 13.Qc2 0–0 14.c5 dc5 15.dc5 Ba5 16.0–0 Bd2 17.Qd2 Bf3 18.Bf3 Ne7 (18...Rad8 19.Qc2+=) 19.Qc3 (19.Bb7 Ng4 20.h3 Rab8+–) 19...c6 20.Rfd1 Qg5 (20...Rfe8+/–) 21.Rd6 Rad8 22.Rad1+/– Rd6 23.cd6 Ned5 24.Bd5 cd5 25.Qb4 Ne4 26.Qd4 Nd6= 27.Qd5 Qd5 28.Rd5 Nc4 29.Bc3 Na3 30.Bb4+= Re8? 31.Ba3+– h6 32.Kf1 Rc8 33.Ke2 Rc2 34.Kd3 Rf2+/– 35.Bc5 Rg2= 36.Bd6 Rg6 37.Bg3 h5 38.Rd7 b5+= 39.Rb7 Rd6?? 40.Bd6+– g6 41.Bb4 Kg7 42.Rb6 Kh6 43.Ra6 h4 44.Rb6 Kg7 45.Rb5 g5 46.Be7 Kg6 47.Rg5 Kh7 48.Rh5 Kg6 49.Rh4 f6 50.Rg4 Kf7 51.Bd6 f5 52.Rf4 Ke6 53.Rf5 Kf5 54.h4 Ke6 (54...Kg4 55.Bg3+–) ½–½. TIROLOCO – redant, Live Game Caissa's Web, 2004.

6.Bd4 Nc6 +=.

6.Nh4 Qg5 7.Nf3 Qf5?? 8.Bg7+– 1–0. Trkn – Marc, itsyourturn.com, 2000.

6.Nh4 Qh6 7.Bb2 Nf6 (7...Qh4? 8.Bg7 Bg4 9.Qc1+–) 8.a3 Ba5 9.g3 0–0 10.Qf3 Ng4 11.h3 Ne5 12.Qg2 Nbc6 13.f4 Nc4?? (better is 13...Ng6+=) 14.Bc4+– Re8 15.Nc3 a6 16.Nd5 Be6 17.0–0 Bd2 (17...Bd7+–) 18.Qd2 Bf5 (18...Rac8+–) 19.Nf5 Qh3 20.Qc3 f6 21.Nf6 Kh8 22.Ne8 Qg4 23.Qg7 Qg7 24.Bg7 1–0. Fournier,Frederic – konan2002, rated blitz game (2/12), 2002.

6.Nh4 Qh6 7.Bb2 Qh4? 8.Bg7 Bg4 9.Qc1 +–.

6.Nh4 Qh6 7.Bg3 Nf6 8.c3 =.

4.Nf3 Qh6

5.Bc7 Na6!? 6.Be5 d6 +/–.

5.Bc7 Nc6 6.e3 a6 7.a3 Ba5 8.Ba5 Na5 9.c4 Nf6 10.d4 0–0 11.Bd3 d5 12.c5 Ne4 13.Qc2 Qg6 14.0–0 Bh3 15.Ne1 Rac8 16.f3 Qg5 17.fe4 Qe3 18.Qf2 Nc4 19.ed5 Qg5 20.Bc4 b5 21.Bd3 Rce8 22.Nf3 Qg4 23.a4 Re3 24.Ra3 Rfe8 25.Ne5 Qg5 26.Qf7 Kh8 27.Qe8 1–0. Bambinik – New King, internet, 2001.

5.Bc7 Nc6 6.Bg3 Qf6 7.c3 Ba5 8.e3 Nge7 9.Be2 0–0 10.0–0 h6 11.d4 d5 12.Nfd2 Nf5 13.Qb3 (13.e4 Ng3 14.fg3 Qg5 15.ed5 Qd5+/–) 13...Ng3+= 14.fg3 Qe6 (14...Qe7 15.Rf3 Rd8 16.h3+=) 15.c4 (15.e4 Bb6 16.Kh1+/– (16.ed5? Nd4 17.de6 Nb3 18.Kh1 Na1 19.ef7 Kh7–+)) 15...Nd4= 16.ed4 Qe2 17.Qd1 (17.Rf2 Qg4 18.Rf4= (18.cd5?? Qd4 19.Nc3 Qc3–+)) 17...Qd1–/+ 18.Rd1 Bd2 (18...Be6 19.Nb3 Bb4 20.c5+=) 19.Nd2= dc4 20.Nc4 b6 21.a4 Rd8 22.d5 Ba6 23.Ne3 Rac8 24.Rac1 Rc1 25.Rc1 Rd7 26.Kf2 Bb7 Attacking the isolated pawn on d5 27.Rd1 g6 28.d6 Ba6 (better is 28...f6 29.Ng4 Kf7 30.Nh6 Ke6+=) 29.Ng4+/– Kg7 (better is 29...Rd8!? 30.Nh6 Kg7+/–) 30.Ne5+– Rd8 31.d7?? (better is 31.Nc6 Rd7 32.Nb8+–) 31...Bb7= 32.g4?? (32.Rd6!?=) 32...Kf6 33.Nc4 Ke7 34.Ne5= Ke6 35.Nc4?? Rd7–+ 36.Re1 Kf6 37.g3 Rd4 38.Nb2 Bc6 39.Ke3 Re4 40.Kd2 Rg4 41.Ra1 a5 42.Kc3 Rb4 43.Rf1 Kg7 44.Rf4 b5 45.ab5 Rf4 46.gf4 Bb5 47.Nd1 a4 48.Kb4 Bd7 49.Nc3 Kf6 50.Ne2 Kf5 0–1. Hal1958 – Abra, playchess.de, 2005.

5.Bc7 Ne7 6.c3 Qf6 7.Be5 Qe6 8.cb4 Nbc6 9.Bg7 Rg8 10.Bc3 Nd5 11.b5 Ne5 12.Be5 Qg4 13.Nc3 Nc3 14.dc3 Rg5 15.Ng5 Qg5 16.Qd6 f6 17.Bf6 Qg8 18.Qe7# 1–0. marus1 – raie, internet, 2001.

5.Bc7 Qf6 (--> 4.Nf3 Qg6 5.Bc7 Qf6).

5.Bc7 Nf6 6.a3 Be7 7.Nc3 Nc6 8.d4 d5 9.e3 0–0 10.Qb1 b6 11.Qb5 Bd7 12.Nd5 Nd5 13.Qd5 Bg4 14.h3 Bf3 15.Qf3 Rac8 16.Bf4 Qf6 17.Bd3 Na5 18.Qe4 g6 19.Be5 Qc6 20.d5 Qd7 21.Ba6 Rc5 22.Rd1 Rd8 23.c4 Qa4 24.Bd4 Rc7 25.Qe5 1–0. mtrc – JanosRekettye, internet, 2002.

5.Bc7 Nf6 6.e3 0–0 7.a3 Be7 8.Bf4 Qh5 9.Be2 d6 10.0–0 Qg6 (10...Qa5!?+/–) 11.Nc3+– Nh5 12.Nh4! Bh4 13.Bh5 Qf5 14.Bd6 Rd8 15.Bc7 Re8 16.Rb1 Nc6 17.Bg3 Bf6 18.d4 b6 (18...Qa5 19.Nb5 Re7+–) 19.Nb5 Re7 20.e4! Qe4 (20...Re4 21.Nd6 Double attack (21.Nd6 Decoy; 21.d5 Passed pawn); 20...Qe4 21.Bf3 Decoy) 21.Bf3 Qe6 (21...Qg6 22.Bc6 Bg4 23.Bf3 Bf3 24.Qf3+– (24.gf3?! Rd8+–)) 22.d5 Qf5 23.dc6 Ba6 24.c7 Bb5 25.Ba8 h5 (25...Re8 26.Rb5! Qb5+–) 26.Rb5! (26.Rb5 Qb5 27.c8Q Re8 28.Qc6 Qc6 29.Bc6+–) 1–0. pcmvr (2765) – bolu (2275), net–chess.com, 2014.

5.Bc7 g6 6.a3 g5?? (better is 6...Be7+– 7.g4 g5 (7...Qg7 8.Nc3 Nc6 9.Bh3 d6 10.Bf1 Bf6 11.Bh3 Bc3 12.dc3 f5; 7...Nc6 8.Nc3 Qg7 9.a4 Nh6 10.g5 Nf5 11.Nd5 Ncd4 12.Nd4 Qd4; 7...d6 8.g5 Bg5 9.Nc3 Be7 10.Nb5 Kd7 11.Ba5 Nc6 12.Bc3 Nf6) 8.Rg1 d6 9.Nc3 Nc6 10.h4 gh4 11.g5 Qg7 12.e3 h3; 6...Bc5 7.Be5 f6 8.Bb2 Ne7 9.Nc3 d5 10.e4 0–0 11.d4 Bb6 12.Nd5 Nd5) 7.ab4 g4 8.Nd4 Na6 9.Nb5 Nf6 10.Nd6 (10.e3 0–0+–) 10...Kf8 11.Nf5 Qg6 12.Bd6 Ke8 13.Ra5 Qf5 (13...b6 14.Re5 Kd8 15.Be7 Kc7+–) 14.Rf5 Nb4 15.Bb4 a6 16.Re5 Kd8 17.Ba5 b6 18.Bb6# 1–0. usingprogram – maxiu36, internet, 2011.

5.Bc7 g6 6.Nc3 Bc3 7.dc3 Nc6 8.Bd6 Nge7 9.e4 0–0 10.Bc4 Re8 11.0–0 b6 12.h4 Kg7.

5.Bc7 g6 6.Nc3 Ne7 A) 7.Be5 Bc3 8.Bc3 0–0 9.e4 d5 10.e5 Nbc6 11.d4 Bg4 12.Be2 Nf5; B) 7.Nb5 0–0 8.c3 Bc5 9.d4 Bb6 10.Bd6 Re8 11.e3 g5 12.Qb3 Nbc6; C) 7.g4 0–0 (7...d5 8.g5 Qh5 9.e4 Bg4 10.Be2 0–0 11.ed5 Nd7 12.0–0 Rae8) 8.Nb5 d5 9.g5 Qh5 10.c3 Bc5 11.Qb3 Nbc6 12.Rg1 Bg4; D) 7.Ne4 Nbc6 (7...Nd5 8.Be5 0–0 9.c4 d6 10.Bd6 Bd6 11.Nd6 Ne7 12.e3 Nbc6) 8.Nf6 Kf8 9.c3 Qg7 10.Nh7 Rh7 11.cb4 Qf6 12.h4 Nd5.

5.Bc7 g6 6.Be5 f6 7.Bb2 Ne7 8.a3 Bc5 9.Nc3 d5 10.e4 0–0 11.d4 Bd6 12.ed5 Re8.

5.Bc7 d6

6.c3 Na6 +/–.

6.c3 Bc5 7.d4 Na6 8.dc5 Nc7 9.cd6 Nb5 10.e4 Nd6 11.e5 Ne4 12.Bb5 1–0. mtra – stonewon, internet, 2002.

6.c3 Qf6?? 7.Bb8+– (7.cb4?! Qa1 8.Nc3 Qd1 9.Kd1 Kd7+=) 7...Rb8 (7...Kd8 8.cb4 Qa1 9.Bd6 Qa2+–) 8.e3 (8.Qa4 Bd7 9.Qb4 Ne7+–) 8...Be6?? (better is 8...Kd8+/–) 9.Qa4+– Bd7 10.Qb4 Ne7 11.Na3 0–0 12.Nb5 Nd5 (12...Bb5 13.Bb5 Qg6 14.0–0+–) 13.Qd6 Bb5 14.Qf6 Nf6 15.Bb5 a6 16.Bd3 Rbd8 17.Ke2 Rd7 18.Rab1 Rfd8 19.Bc2 Ne4 (19...Re7+–) 20.Be4 1–0. Speedy – wernt, internet, 2017.

6.e3 Nc6!? 7.a3 Qf6 +/–.

6.e3 Bg4? 7.c3+– Bc5 8.Qb3 b6 (8...Bb6 9.Bb6 ab6 10.Qb6 Nc6 11.Qb7 Rc8+–) 9.Qd5 Kd7 (9...Nf6 10.Qa8 0–0 11.Bb8+–) 10.Qb7 Ke6 11.Bc4 Kf6 12.Bd8 Kg6 (12...Ne7 13.Qe7 Kg6 14.Qf7) 13.Qf7# 1–0. Holaus,Verena (2285) – Luebbe,Hermann (1870), remoteschach.de, 2006.

6.e4 Bd7? 7.a3 Bc5 8.d4 Bb6 9.Bb6 Nc6? (better is 9...ab6 10.Nbd2 Qg6+–) 10.Bc7 b6 (10...Rc8 11.d5 Rc7 12.dc6 Bc6+–) 1–0. Woschkat,Karl_Heinz – Ritschel,Stephan, RSS4E–20 remoteschach.de, 2003.

6.e4 Qe6!? 7.Bb5 Nc6 +/–.

4.f4 Qf5??

5.Bc7?! Na6 6.Be5 f6 +=.

5.Bg7+– Ne7 6.Bh8 f6 (6...Nd5 7.Nc3 Bc3 8.Bc3 Qf4 9.Bb2+–) 7.c3 (7.e3 Nbc6 8.Bd3 Qe6+–) 7...Ba5 8.e3 Ng6 (8...Nbc6 9.Nf3+–) 9.Qb3 Nh8 (9...d5 10.Qa4 Nc6+–) 10.Qg8 Ke7 11.Qc8 1–0. Baer,Cy (1895) – Juha,Michael (1820), RSS5E easy–36, 2007.

5.Bg7+– Qf4 6.Bh8 Bc5 (6...d5 7.g3 Qe4 8.Nf3+–) 7.e3 Qg5 8.Nf3 Qf5 9.Bd3 Qh5 10.Bb2 (10.Nc3 d6+–) 10...d5 11.0–0 Bg4 12.Be2 1–0. Valpa – Sharky, playchess.de, 2004.

3.Be5 Qh4??

4.Nf3?? Qc4?? 5.Bg7+– Qd5 6.Bh8 Bd2 7.Nbd2 d6 8.e4 Qc5 9.Ng5 a5 10.Qh5 Qc4 11.Nc4 Be6 12.Ne6 Nf6 13.Nc7 Kf8 14.Qh6 Ke7 15.Qf6 (15...Kd7 16.Qd6 Kc8 17.Nb6#) 1–0. piotrek3054 – Robbie101, internet, 2007.

4.Bg7+– Bc5 5.d4 Bb4 6.c3 Be7 7.Bh8 Bg5 8.Nf3 Qf2 9.Kf2 Bh4 10.Nh4 a5 11.Qd3 (11...Ne7 12.Qh7+–) 1–0. thotares (1660) – Robbie101, internet, 2007.

4.Bg7+– Bc5 5.e3 d5 6.Bh8 Qg4 7.Nc3 Bf5 8.Qg4 (8...Bg4 9.Rb1+–) 1–0. CODD (1835) – Robbie101, internet, 2007.

4.Bg7+– Bc5 5.e3 Qe4 6.Bh8 d6 7.Nc3 Qb4 8.Nd5 Qe4 9.Nc7 Kd8 10.Na8 Bg4 11.f3 Bf3 12.Qf3 Qh4 13.g3 Qb4 14.Qf7 (14...Qg4 15.Qf8 Kd7 16.Bh3 Qh3 17.Nh3+–) 1–0. Pierred – chessmaster12, chesspark.com, 2007.

3.Nf3?? Nc6

4.Nc3 d5 5.e4 Nge7 6.Bb5 d4 7.Ne2 a6 8.Bc4 b5 9.Bb3 0–0 10.0–0 Bg4 11.Ne1 a5 12.a3 Bd6 13.h3 Bc8 14.d3 a4–+ 15.Ba2 Ng6 16.Ng3 Rb8 17.c3 dc3 18.Bc3 Ba3 19.Bd5 Bb4 20.Bb2 Nge7 21.Ba2 a3 22.Bc1 Bc3 23.Rb1 Nb4 24.Qb3 Na2 25.Qa2 b4 26.Ba3 Ra8 27.Nc2 Be6 28.Rb3 ba3 0–1. ismaelarango – pierre (1660), internet, 2005.

4.Ne5= Ne5 5.Be5 Nf6 6.h3 d5 7.c4 dc4 8.Qa4+= Nd7 9.Qb4 Ne5–/+ 10.Qb5 Nc6 11.Qc4 0–0 12.e3 Qf6 13.Nc3 Be6 14.Qb5 Rab8 15.Be2 Qg6 16.g4 a6 17.Qa4 b5 18.Qe4 Ne7 19.Qg6= Ng6 20.h4 Ne5 21.Rg1= Rbd8 22.f4 Nc4 23.Bc4 Bc4=+ 24.a3 f5 25.0–0–0 fg4 26.Rg4 Bf7 27.Rdg1= (27…Bg6 28.h5 Bh5 29.Rg7 Kh8 30.Rc7+/–) 1–0. SirGraves – ureo, ChessWorld.net, 2005.

3.Nf3?? d6–/+

4.c3 Bc5 5.d4 ed4 6.cd4 Bb4 7.Nbd2 Nf6–/+ 8.Qb3 Bd2 9.Nd2=+ 0–0 10.d5 c6 11.dc6 Nc6 12.Rd1 Na5 13.Qg3= Qb6?? 14.Bf6+– g6 15.Be7 Re8 16.Bd6 Bf5 17.Bc7 Qc5 18.e3 Nc6 19.Bc4 b5 20.Bd6 Qb6 21.Be2 Ne7 22.Bc7 Qf6 23.Bb5 Rec8 24.e4 Be6 25.Be5 Qf2 26.Qf2 (26…f5 27.Ba1+–) 1–0. orane3 – KingOfTheChess3, internet, 2006.

4.e3 Nf6 5.Bc4 d5 6.Bb5 Bd7 7.Bd7=+ Nbd7 8.0–0 e4 9.Ne1 0–0 10.Nc3 Bc3 11.Bc3 Nc5 12.Bd4 Ne6 13.Bf6 Qf6 (13...gf6?! 14.Rb1=) 14.f3 ef3 15.Rf3 Qb2 16.Nd3 Qa3 17.Qc1 Qc1 18.Rc1 Ng5 (better is 18...c5–/+) 19.Rg3? (better is 19.Rf5 Ne4 20.Rd5 Nd2 21.Rd7=+) 19...Ne4–+ 20.Rg4 Nd2 (20...f5 21.Rh4 Nd2 22.Nc5–+) 21.Ne5? (21.Rd4 Rad8–+) 21...Nc4?? (better is 21...Ne4–+) 22.Nc4–/+ dc4 23.Rc4 c6 24.Rd1 Rfe8 25.e4 (25.Rd7 Rab8 26.Rb4 Kf8=+ (26...Re3?! 27.Rbb7 Rf8 28.Ra7+=)) 25...Rac8 (25...Rad8 26.Rcd4 Rd4 27.Rd4–/+) 26.Rcd4 (26.Ra4 a6=+) 26...c5 27.Rd5 c4 28.e5 Kf8 29.c3 a6 30.a4 b6 31.Re1 f6 (31...Re6 32.Rf1–/+) 32.e6 (32.Rd6 Rc5=+) 32...Rc5 (better is 32...Rc6!?–/+) 33.Rd6=+ Ra5 34.Rb6 Re5?? (better is 34...Ra4 35.Kf2 Ra2 36.Kf3 Ra3=) 35.Re5+/– fe5 36.Ra6 Ke7 37.Kf2 Rf8 (better is 37...Rd8!?+/–) 38.Ke3+– Rd8 39.Ke4 Rd3? (better is 39...Kf6+–) 40.Ke5 Rc3 41.Ra7 Ke8 42.Kd6 (better is 42.Rg7 Rc2 43.Rh7 Rg2 44.Kd4+–) 42...Rd3 43.Kc6 (43.Kc5!? c3 44.Rc7 c2+–) 43...c3+/– 44.e7?? (44.Rc7!? c2 45.Kb7 Rb3 46.Kc8+/–) 44...Re3 (better is 44...c2 45.Ra8 Ke7 46.Ra7 Ke6–+) 45.Rc7= Re7 46.Kd6?? (better is 46.Rc8 Kf7 47.Kb6+=) 46...Re3 (better is 46...Rc7 47.Kc7 c2–+) ½–½. Pieleck,Andreas – Pieleck,Rudi, RSX9E – A00 – Sokolsky–1, 2002.

4.c3 Ba5

5.Qa4 c6 6.d3 Nf6 7.e4 0–0 8.Be2 b5 9.Qc2 Nbd7 10.0–0 Nc5 11.Ba3 Bb6 12.Bc5 Bc5 (12...dc5 13.Ne5 Re8 14.Nc6–/+) 13.d4 Bb6 14.Nbd2 Qc7 15.c4 ed4 (< 15...Bd4 16.Nd4 ed4 17.cb5=+) 16.cb5 c5 17.Rac1 Qe7 18.Bd3 Bg4 19.Rfe1 Rfe8 (19...Rae8 20.e5 de5 21.Ne5=) 20.e5 Bf3 21.Nf3 de5 22.Re5 Qd6 23.Rce1 Re5 24.Re5 Rc8 25.Bc4 Rd8 26.Qd3 Rd7 27.Qf5 d3 28.Re1 d2 29.Rd1 Ba5 30.a3 Re7 31.Qc8 Re8 32.Qb7 Re1 33.Ne1 de1Q 34.Re1 Be1 35.Qa8 Qf8 36.Qa7 Ng4 37.b6 Bf2 38.Kh1 Bd4 39.b7 Be5–+ 40.Be2 Nh2 41.a4 Bb8 42.Qa6 g6 43.g3 Bg3 44.a5 Qe7 45.Kg2 Bb8 46.Bd3 Qe1 47.Qa8 Qg3 48.Kh1 Ng4 49.Qb8 0–1. Marre – kitket, zagraj.pl, 2003.

5.d3 Nf6 6.g3 0–0 7.Bg2 Nc6 8.Nbd2 h6 9.Nc4 Bb6 10.e3 Re8 11.0–0 d5 12.Nb6 ab6 13.c4 dc4 14.dc4 Qd1 15.Rfd1 (15.Rad1? Ra2 16.Bc3 Be6 17.Ne5 Ne5 18.Be5 Bc4 19.Bf6 Bf1 (worse is 19...gf6 20.Ra1–/+) 20.Kf1 gf6–+) 15...Nd7 16.Nd2 Nc5 17.Nb3 Na4 18.Rd2 Nb2 19.Rb2 Rd8 20.c5 b5 21.f4 Ra3 22.Bf1 b4 23.Bg2 Rd3 (better is 23...Be6!?–/+) 24.Bc6+= bc6 25.fe5 Be6 26.Nd4 Bd5 27.Rab1 (27.Rb4 Rd2 28.e4 Be4 29.Rb3–/+) 27...Ba2–/+ 28.Re1 Bd5 29.Rb4 Re3 30.Rbb1 Kh7 31.Kf1 Red3 32.e6 Rd2 (32...Rd4?! 33.e7 Rd2 34.e8Q Rh2 35.Rb8+=) 33.Re2 Bc4 34.Ke1 Rd4 0–1. nuclearowl (1980) – krasney21 (2260), gameknot.com, 2012.

5.e4 Nf6 6.d4 ed4 7.Bd3 0–0 8.0–0 Re8 9.Qc2 dc3 10.Nc3 Bg4 11.Nd4 Nbd7 12.f3 Bh5 13.Nd5 Nd5 14.ed5 Bg6 15.Bg6 hg6 16.Rfd1 Re5 17.Nb5 Bb6 18.Kh1 Rh5 19.g4 Rh3 20.Qg2 Qh4 21.Bd4 Bd4 22.Nd4 Re8 23.g5 Re5 24.f4 Rd5! 25.Nf3 Rd1 26.Rd1 Qh5 27.Rf1 Nc5 (28.Ng1 Rh4–+) 0–1. Rohde,Friedhelm – Kreuzer,Uwe, corr 2.KGP–Z–01, 1994.

3.Nf3?? f6

4.c3 Ba5 5.e4 d5 6.ed5 Qd5 7.d4 e4 8.Nfd2=+ f5 9.Bc4= Qd8 10.0–0 Nf6=+ 11.f3 e3 12.Nb3 Bb6 13.Qe2 f4=+ 14.N1d2 Nd5 15.Bd5 Qd5 16.c4 Qe6 17.Ne4 c6 18.d5 Qg6 19.Ba3 Kf7?? 20.Nd6+– Kf6 21.Qb2 Kg5 22.Qe5 (22...Kh6 23.Qf4 Kh5 24.Qe5 Qg5 25.g4 Kg6 26.Qe4 Bf5 27.Nf5+–; 22.Nc8 Rc8 23.Qe5 Kh6 24.Qf4 Qg5 25.Qg5 Kg5+/–) 1–0. Rohde,Friedhelm – Sternik,Ryszard, corr SOK–94–102, 1994.

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    Available lines:
  • 1.b4 (4 players, 1 day/move)
  • 1.b4 (4 players, 10 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 (4 players, 3 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
  • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
  • 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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