CLICK!

GET MY 1.b4 COLLECTION
1.b4 collection contains much more games and lines than can be presented here.
Click here for more info!

Flag Counter

TESTH950 Release 2018-10-16
Send your 1.b4 games to me, please. Thank you! /Marek
Marek Trokenheim's homepage
(c) Marek Trokenheim

1.b4 e5 2.Bb2 f6 3.e4 d5

(...)

4.a3 (--> 1.b4 e5 2.Bb2 f6 3.a3 d5 4.e4).

4.b5 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e4).

4.c4 d4 5.c5= Be6 6.d3 (better is 6.Nf3!?=) 6...a5 7.a3 ab4 8.ab4 Ra1 9.Ba1 Na6 10.Qa4 (10.Qd2!?–/+) 10...Qd7–+ 11.Qa3 (11.Qa5–+) 11...Qb5 12.Nf3 Nb4 13.Qa8 Kf7 14.Na3 (14.Nbd2 Bc5 15.h3 Bb6–+) 14...Qc5 15.Bb2 (15.Kd2 Na6 16.Nc2 Qa5 17.Kc1 Bb3 18.Bd4 Bc2 19.Qb7 Ba4 20.Be5 fe5 21.Qd5 Qd5 22.ed5 Ba3 23.Kd2 Bb4 24.Kc1 Kf6–+) 15...b6 (better is 15...Nc2 16.Ke2 Na3 17.Ba3 Qa3 18.Qa3 Ba3 19.g3–+) 16.Kd2 (16.Qa4 Na2–+) 16...Nc6 (16...Na2 17.Qa4–+) 17.Qa4 Na5 18.Be2 Nb3 19.Kd1 Ne7 20.Nd2 (20.Nc4 Na5–+) 20...Na5 (20...Nd2 21.Kd2 Ng6 22.Bh5–+) 21.Ndc4 (21.f4 g6–+) 21...Nec6 (21...Nc4 22.Nc4 b5 23.Qa5–+) 22.Kd2 (22.Nd2 Nb4–+) 22...Qb4 23.Qb4 Bb4 24.Kc2 Nc4 25.Nc4 Ra8 26.Ra1 Ra1 27.Ba1 Na5 (27...b5 28.Nd2–+) 28.g3 b5 29.Nd2 (29.Na5 Ba5 30.f4 Ke7–+) 29...c5 (better is 29...Bd2 30.Bd4 ed4 31.Kd2–+) 30.f4 Ke7 (30...ef4 31.gf4 Bd2 32.Kd2 Nb3 33.Kc2 Na1 34.Kb2–+) 31.fe5 (31.Nf3 Nc6–+) 31...fe5 32.Nf3 Kd6 33.Ng5 Bg8 34.Bb2 h6 35.Nf3 c4 (better is 35...Bb3 36.Kb1 Nc6–+) 36.Nd2 (36.Nd4 ed4 37.Bd4–+) 36...c3 37.Kc1 (37.Nb1 cb2 38.Kb2–+) 37...cd2 38.Kc2 (38.Kb1 Bb3 39.g4 Nc4–+) 38...Bb3 39.Kb1 d1Q 40.Bd1 Bd1 0–1. brozal – anmac, playok.com, 2012.

4.c4 de4!? 5.c5 a5–/+.

4.ed5 c6 5.dc6 Bb4 6.Qh5 g6 7.Qh4 Nc6 8.Bb5 Qd6 9.Ne2 Nge7 10.0–0 0–0 11.Nbc3 Nf5 12.Bc4 Kg7 13.Qe4 a6 14.Nd5 Be6 15.Nb4? (better is 15.Bc3!? Bc3 16.Ndc3 Bc4 17.Qc4+=) 15...Qb4–+ 16.Be6?? (better is 16.d3 Nd6 17.Qf3–+) 16...Qb2 (better is 16...Qe4 17.Bf5 gf5–+) 17.Bf5 (better is 17.Rab1 Qa3 18.Rb7 Nce7 19.Bf5 gf5 20.Qf3+–) 17...gf5+/– 18.Qf5 Qb5? (18...Nd4 19.Nd4 Qd4 20.c3+/–) 19.Ng3 (better is 19.Rab1 Qe2 20.Rb7 Rf7 21.Rf7 Kf7 22.Qh7 Ke6 23.Qb7+–) 19...Nd4+/– 20.Nh5 (better is 20.Qg4!? Kh8 21.c3+/–) 20...Kh8= 21.Qh3 Qc6 (better is 21...Rad8!?=) 22.c3+/– Ne6 23.d4 Ng5 24.Qf5 ed4 25.cd4 Qe4 26.Qe4 Ne4 27.Rfe1 f5 28.Nf4 Rae8 29.g3 b5 30.d5 Ng5 31.Ne6 (better is 31.Kg2+–) 31...Nf3+= 32.Kg2 Ne1 33.Re1 Rf6 34.f4 Kg8 35.Kf3 h5 36.h3 1–0. ejdrzej (1650) – sakkmat, internet, 2012.

4.ed5 Qd6 5.a3 Qd5 6.Qh5 g6 7.Qh4 Be7 8.Bc4?? Qg2–+ 9.Nc3 Qh1 10.0–0–0 f5 11.Qh3 f4?? 12.Qd3 Bf5 13.Qe2 Nc6 14.Bd5 Qh2 15.Bc6 bc6 16.Qe5 Nf6 17.Re1 0–0–0 18.Nf3 Qf2 19.Ng5 Qd2 20.Kb1 Qc2 21.Ka2 Rde8 22.Ne6 Be6 23.Qe6 Kb7 24.Qc4 Nd5! 25.Re2 1–0. nizinna – carokannnn, internet, 2011.

4.ed5 Bd7 5.a3+/– Bd6 6.c4 g6 (6...a5 7.c5 Be7 8.d4 ab4 9.ab4 Ra1 10.Ba1+/–) 7.c5 Be7 8.d4 e4 9.Nc3 f5 10.Bc4 Nf6 11.Nge2 0–0?? (better is 11...Ng4 12.0–0 Bg5+–) 12.d6 Kg7 13.de7 Qe7 14.d5 e3 15.0–0 f4 (15...ef2 16.Rf2 a5 17.d6 cd6 18.Nd5+–) 16.Nf4 ef2 17.Rf2 Bf5 (17...Ng4 18.Nce2 Kh6+–) 18.d6 cd6 19.Ncd5 Qd8 (19...Qe8 20.Nc7 Qe4 21.Nfe6 Kg8 22.Qd6+–) 20.Nf6 Rf6 21.Ne6 Be6 22.Rf6 Nd7 23.Re6 Kh6 24.Bc1 Kg7 25.Qd6 Nf6 26.Re7 (26.Re7 Qe7 27.Qe7 Kh8 28.Qf6) 1–0. Valverde,Mario (2055) – Tortoza,Carlos, CiF, 2006.

4.ed5 Bf5 5.b5 c6 6.dc6 bc6 7.Nc3 Bc5 8.Nf3 Ne7 9.Bc4 Nd5 10.bc6 Nc3 11.Bc3 Nc6 12.Bb5 Rc8 13.0–0 0–0 14.Bc6 Rc6 15.d4 ed4 16.Bd4 Rd6? (16...Qd5 17.c3+=) 17.c3 Be4 18.Qb3 Bd5 19.Qb5 Bb6 20.Bb6 Rb6 21.Qd3 Qa8 22.Nh4 Rc8 23.Nf5 Be4 24.Ne7 Kh8 25.Qh3 Re8 26.Nf5 Rc8 27.Nd4 Rc5 28.f3 Bg6 29.Rfe1 1–0. druhynejhorsi (1805) – koziolekmat (1840), internet, 2012.

4.Qe2 Bb4? 5.Qb5 Nc6 6.ed5 +–.

4.Qe2 de4 5.Qe4 Nc6 6.a3 Nge7 7.Nf3 Bf5 8.Qc4 e4 (better is 8...Qd5!?+=) 9.Nh4+= Qd5?? (better is 9...Qd7 10.b5 Nd8+/–) 10.Qd5+– Nd5 11.Nf5 0–0–0 12.Ng3 Bd6 13.b5 (13.Ne4?! Rhe8 14.d3 f5+–) 13...Be5 14.bc6 Bb2 15.Ra2 Bd4 16.Nf5 (16.Ne4?! Rhe8 17.f3 f5+–) 16...g6 (16...Be5 17.cb7 Kb7 18.Ng7 Rhg8+–) 17.cb7 Kb8 18.Nd4 e3 (18...Kb7 19.Rb2 Nb6+–) 19.Nc6 (19.Nc6 Kb7 20.Nd8 Rd8 21.Rb2 Kc6 22.fe3+–) 1–0. Bonetti,Shane – Space_Joe, ICC, 2002.

4.Be5?? de4 5.Bc3 Nc6 6.b5 Nd4 7.Ne2 White threatens to win material: Ne2xd4 7...Nb5 8.Nf4 Nc3 9.Nc3 Black has the pair of bishops 9...Bf5 10.g4 White threatens to win material: g4xf5 (10.Rb1 Qd6 11.g3 0–0–0=) 10...Qd6+= 11.Nfd5 Bd7 12.Bc4 (12.Bg2!? has some apparent merit 12...0–0–0 13.Ne3+=) 12...0–0–0 13.Ne4 Qe5 Black threatens to win material: Qe5xe4 (13...Qc6 14.d3 h5 15.gh5–+) 14.Ndc3 (14.f3!?+=) 14...Bc6 15.Bd3? (better is 15.d4!? Rd4 16.Be6 Bd7 17.Bd7 Rd7 18.Qf3–+) 15...h5–+ 16.0–0?! instead of fighting back (16.f4 Qf4 17.Rf1 Qh2–+) 16...hg4 17.Qg4 f5 18.Qg3 Qa5 19.Ng5 Bd6 20.f4 Bc5 21.Rf2 Nh6 (21...Nf6 keeps an even firmer grip 22.Raf1 Rd7 23.Nf3 Bf3 24.Qf3 Bf2 25.Rf2–+) 22.h3 (22.Nh3 cannot change destiny 22...Kb8 23.Kf1 Bf2 24.Nf2 Ng4–+) 22...Kb8 (better is 22...Rd3 and Black can already relax 23.cd3 Ng4 24.Nge4 Be4 25.Ne4 Nf2 26.Nf2 Qd2 27.a4 Bf2 28.Qf2 Qd3 29.h4–+) 23.Ne6 (23.Nf3 Nf7 24.Rb1 Rh6–+) 23...Bf2 (better is 23...Ng4! nails it down 24.Nd1 Nf2 25.Nf2 Bf2 26.Kf2 Rd6–+) 24.Kf2 Qb6 (24...Rde8 25.Re1 Nf7 26.a3–+) 25.Qe3 Rd7 (better is 25...Rd6!? 26.Qb6 cb6–/+) 26.Nc5–/+ Rd6 27.Rd1?? another step towards the grave (27.Rb1 Qa5–/+) 27...Qa5 (27...Re8 makes it even easier for Black 28.Na6 ba6 29.Qb6 ab6 30.Ba6–+) 28.Bb5?? the final mistake, not that it matters anymore (better is 28.Rb1–/+) 28...Re8–+ 29.Nb7 Re3!! Decoy: c5 (29...Kb7 is not possible 30.Bc6 Rc6 31.Qe8 Qc5 32.Kf3+/–; 29...Bb7? looks interesting, but 30.Qe8 (30.Be8?! Ng8+=) 30...Bc8 31.Rb1 Qb6 32.Kf1+–) 30.Na5 (30.de3 Bb7 Combination; 30.Ke3 Qb6 Decoy Double attack) 30...Rf3 31.Kg2 (31.Ke1 doesn't get the cat off the tree 31...Bb5 32.d3–+) 31...Rd2 (31...Rg6 32.Kh2 Rf2) 32.Ne2 (better is 32.Rd2 and the result of the game is clear: White will win 32...Rc3 33.Nc6 Kb7 34.Ne5+–) 32...Be4–+ (32...Bb5?? Black is doomed he takes the bishop 33.Rd2 Rd3 34.cd3+–) 33.Bd7 (33.Nc6 Kb7 34.Rd2 Rd3 35.Kf2 Rd2 36.Ne5–+) 33...Rfd3 (33...Rfd3 34.Kf2 Rd7–+) 0–1. Freiberger,Jonas (1785) – Bezold,Michael (2510), Werther Schloss op sim rapid, 2001.

4.Be5?? fe5!? 5.Qh5 Ke7 6.Qe5 Kf7 7.Qf4 Qf6 8.Qc7 Nd7–/+.

4.f4 Nc6 5.b5 Nd4 6.Bd4 ed4 7.ed5 Qd5 8.Nf3 Bg4 9.Be2 0–0–0 10.0–0 Bc5 11.d3 Ne7 12.Nbd2 Nf5 13.Qb1 Rhe8 14.Rf2 Ne3 15.h3 Bf5 16.a4 h6 17.Qb3 g5 18.Qd5 Nd5 19.fg5 fg5 20.Nc4 Ne3 21.g4 Be6 22.Ncd2 b6 23.Ne4=+ Nc2 24.Rc1 Ne3 25.Nc5 bc5 26.Rc5 Bd5 27.a5 Kb8 28.b6?? cb6–/+ 29.ab6 ab6 30.Rb5 Kb7 31.Nd4=+ Rf8 32.Nf5 Nf5 33.Rf5 Rf5 34.gf5 Bc6 35.Re5 Rf8 36.Bg4 Rf7 37.Re6 b5 38.Rh6 b4 39.Bd1 Bd5 40.f6 b3 41.Bb3 Bb3 42.Kf2 Bc2 43.Ke3 Kc7 44.Rg6 Kd6 45.Rg7 Rf6 46.Rg5 Re6 47.Kd2 Ba4 48.h4 Be8 49.h5 Rh6 50.Ke3 Bh5 51.Ra5 Ke7 52.d4 Bf7 53.Ra7 Kf8 54.Ke4 Rd6 55.Kd3 Kg7 56.Ra5 Kf6 57.Ra1 Ke6 58.Re1 Kd5 59.Rf1 Be6 60.Ra1 Kc6 61.Ra6= Kd7 62.Rd6 Kd6 63.Ke4 Bd7 64.d5 Be8 65.Kd4 Bd7 66.Ke4 Bc8 67.Kd4 Ba6 68.Ke4 Bf1 69.Kd4 Bg2 0–1. bratek55 – kordegarda (1975), internet, 2011.

4.g4 Bb4 A) 5.a3 A1) 5...Ba5 6.Qe2 (6.Qf3 Be6 7.Qb3 Bb6 8.Nc3 Ne7 9.Bb5–+ ; 6.Bg2–/+ d4 7.h3 Nc6 8.Nf3 Be6 9.Qe2–+) 6...d4 7.h3 a6 8.Nf3 Be6 9.c3–/+; A2) 5...Be7 6.Nc3 (6.Qf3 c6 7.ed5 cd5 8.Nc3 Be6 9.Bg2–/+; 6.Bg2 d4 7.h3 Be6 8.f4 Nc6 9.f5–+) 6...de4 7.Ne4 Be6 8.Bg2 Nc6 9.g5–/+; A3) 5...Bf8 6.Qf3 (6.Nc3 d4 7.Na2 Be6 8.h3 Bc5 9.Nc1–+; 6.Bg2 d4 7.h3 Be6 8.f4 Nc6 9.f5–+) 6...de4 7.Qe4 Be6 8.Bc4 Bc4 9.Qc4–/+; A4) 5...Bc5 6.d4 (6.Nc3 d4 7.Nd5 a5 8.c3 dc3 9.Bc3–+ ; 6.Qf3 de4 7.Qe4 Nh6 8.Be2 Nc6 9.Bb5–+) 6...ed4 7.Bd4 Bd4 8.Qd4 Ne7 9.ed5–/+; B) 5.Qf3 B1) 5...c6 6.Qb3 (6.ed5 cd5 7.Bb5 Nc6 8.g5 Qd6 9.Qh5–+; 6.Bg2 de4 7.Qb3 Qe7 8.Be4 Bg4 9.Bh7–+) 6...Qd6 7.ed5 Qd5 8.f3 Qb3 9.ab3–/+; B2) 5...de4 6.Qe4 Nc6 7.Nf3 Nge7 8.Bc4 Bc5 9.Rg1–+; B3) 5...Ne7 6.a3 (6.ed5 Nd5 7.a3 Bc5 8.Bc4 Nb6 9.Bd3–+; 6.g5 0–0 7.ed5 Nd5 8.Bc4 Be6 9.Qb3–+) 6...Bc5 7.ed5 Nd5 8.Ne2 0–0 9.Nbc3–+; C) 5.c3 C1) 5...Be7 6.Bg2 (6.f3 Nh6 7.ed5 Qd5 8.Qb3 Be6 9.Qd5–+ ) 6...de4 7.Be4 c6 8.h3 Be6 9.Nf3–/+; C2) 5...Bf8 6.Qe2 (6.Bg2 c6 7.ed5 cd5 8.d4 Nc6 9.Qe2–+; 6.Qb3 de4 7.Bg2 Na6 8.Be4 Nc5 9.Qc2–+) 6...Nc6 7.d4 Be6 8.Bg2 Be7 9.Qb5–/+; C3) 5...Ba5 6.Bg2 (6.h3 Be6 7.Ba3 Bb6 8.Qb3 Nc6 9.Bg2–+ ; 6.Ba3 Be6 7.h3 Bb6 8.Bg2 Nc6 9.Ne2–+) 6...Ne7 7.Ba3 d4 8.g5 fg5 9.Qh5–+; D) 5.Qe2 D1) 5...Nc6 6.f4 (6.a3 Be7 7.Bg2 d4 8.h3 Be6 9.Qd3–+ ; 6.c3 Be7 7.h3 Be6 8.Rh2 de4 9.Qe4–+) 6...d4 7.f5 Nh6 8.a3 Bc5 9.Nf3–/+; D2) 5...c6 6.g5 (6.f4 Qb6 7.Bc1 Bc5 8.Nh3 de4 9.Qe4–+ ; 6.Bg2 d4 7.h3 Be6 8.Nf3 Bc5 9.Qd3–+) 6...d4 7.Nf3 Bc5 8.Rg1 Qb6 9.Bc1–/+; D3) 5...Qd7 6.g5 (6.a3 Bc5 7.h3 Ne7 8.Bg2 c6 9.Nc3–+ ; 6.h3 Ne7 7.Nf3 Nbc6 8.Rg1 Ng6 9.ed5–/+) 6...de4 7.gf6 Nf6 8.Bh3 Ng4 9.Be5–/+; D4) 5...Ne7 6.Bg2 (6.g5 de4 7.Bg2 f5 8.Be5 0–0 9.Qc4–+; 6.c3 Bd6 7.Bg2 c6 8.Ba3 0–0 9.Bd6–+) 6...d4 7.c3 d3 8.Qf3 Bc5 9.Bf1–+; E) 5.Bg2 E1) 5...c6 6.ed5 (6.c3 Bf8 7.ed5 cd5 8.d4 Nc6 9.de5–+ ; 6.Qf3 de4 7.Qb3 Qe7 8.Be4 Bg4 9.Bh7–+) 6...cd5 7.g5 Nc6 8.Qh5 g6 9.Qe2–/+; E2) 5...Ne7 6.g5 (6.a3 Bc5 7.g5 0–0 8.d4 ed4 9.Bd4–+ ; 6.c3 Ba5 7.d4 c6 8.g5 Qb6 9.Ba3–+) 6...Be6 7.gf6 gf6 8.c3 Ba5 9.Ne2–/+; E3) 5...d4 6.c3 (6.h3 Be6 7.f4 Ne7 8.Nf3 0–0 9.f5–+ ; 6.a3 Bc5 7.Qe2 Be6 8.g5 fg5 9.Bh3–+) 6...dc3 7.Nc3 Bc5 8.Rc1 c6 9.Qb3–/+.

4.g4 c6 A) 5.a3 A1) 5...de4 6.Qe2 (6.Bg2 c5 7.b5 Qd7 8.Nc3 Qg4 9.Qg4+=; 6.Nc3 a5 7.b5 f5 8.Qe2 Nf6 9.gf5+=) 6...Qd7 7.Bh3 c5 8.g5 f5 9.f3+=; A2) 5...a5 6.b5 (6.ba5 Be6 7.ed5 Qd5 8.f3 Qa5 9.Bc3–/+ ) 6...de4 7.Nc3 Bd7 8.Ne4 cb5 9.g5+=; A3) 5...Be6 6.ed5 (6.Bg2 a5 7.b5 d4 8.Qe2 Bc5 9.bc6–/+ ; 6.Qe2 a5 7.b5 Qd7 8.ed5 Bd5 9.f3+=) 6...Qd5 7.f3 Qd8 8.Nc3 Nd7 9.Nge2+=; A4) 5...Nh6 6.g5 (6.h3 a5 7.ba5 Be6 8.Nc3 d4 9.Nce2–/+ ; 6.f3 de4 7.g5 Nf7 8.gf6 Qf6 9.Qe2–/+) 6...fg5 7.Nf3 Nf7 8.Ne5 Ne5 9.Be5–/+; B) 5.b5 B1) 5...h5 6.gh5 (6.ed5 Qd5 7.f3 hg4 8.Nc3 Qd7 9.h3–/+ ) 6...de4 7.Qe2 Bf5 8.Bg2 cb5 9.Be4+=; B2) 5...de4 6.Bg2 (6.Nc3 Qd4 7.Qe2 e3 8.fe3 Qg4 9.Qg4–/+; 6.bc6 Nc6 7.Nc3 h5 8.gh5 f5 9.Bb5–/+) 6...cb5 7.Be4 b4 8.g5 f5 9.Qh5–/+; B3) 5...Qa5 6.a3 (6.bc6 bc6 7.Nc3 d4 8.Nb1 Be6 9.Bh3–/+ ) 6...Be6 7.ed5 Bd5 8.Nf3 cb5 9.Nc3–/+; B4) 5...Be6 6.ed5 (6.Bd3 Bd6 7.Qf3 Ne7 8.Ne2 Qd7 9.Rg1–/+ ; 6.Nc3 d4 7.Nb1 Qd7 8.bc6 Qc6 9.f3–/+) 6...Qd5 7.f3 Qd7 8.Nc3 Bb4 9.bc6–/+.

4.g4 de4 A) 5.Bg2 A1) 5...Nh6 6.g5 (6.h3 Bb4 7.Be4 Nf7 8.Qe2 Nd7 9.f4–/+ ; 6.Be4 Bg4 7.Bf3 Bf3 8.Qf3 Nc6 9.a3–/+) 6...Nf7 7.gf6 gf6 8.Qh5 Bb4 9.Be4–/+; A2) 5...e3 6.fe3 Bb4 7.Nh3 c6 8.a3 Bd6 9.Nf2–/+; A3) 5...Bb4 6.Be4 (6.a3 Bc5 7.Qe2 c6 8.Be4 Be6 9.Nc3–+) 6...Ne7 7.Nf3 Nbc6 8.g5 Bf5 9.Bf5–/+; B) 5.Nc3 B1) 5...Be6 6.a3 (6.b5 h5 7.Qe2 hg4 8.Qe4 c6 9.f4–/+ ) 6...a5 7.b5 h5 8.gh5 f5 9.d3–/+; B2) 5...Nh6 6.g5 (6.h3 Bb4 7.Ne4 Be6 8.Nf3 Bd5 9.Qe2–/+ ) 6...fg5 7.Ne4 Bf5 8.Nc5 Bc5 9.bc5–/+; B3) 5...Nd7 6.a3 (6.Ne4 Bb4 7.a3 Be7 8.d4 ed4 9.Bd4–/+ ; 6.b5 Nc5 7.Bg2 h5 8.Ne4 hg4 9.Ne2–/+) 6...a5 7.b5 Nc5 8.Bg2 h5 9.h3–/+; B4) 5...Bb4 6.Ne4 Be6 7.Bg2 Nc6 8.g5 Rb8 9.Qh5–/+; C) 5.Qe2 C1) 5...e3 6.Qe3 (6.fe3 Bb4 7.Bg2 c6 8.g5 Bd6 9.Nf3–/+ ; 6.de3 Bb4 7.c3 Be7 8.Nd2 Be6 9.Nb3–/+) 6...Bb4 7.f4 Bg4 8.fe5 f5 9.Bg2–/+; C2) 5...Qd7 6.Bg2 (6.Qe4 Qg4 7.Qg4 Bg4 8.a3 Nd7 9.Bh3–/+) 6...Bb4 7.Be4 Nc6 8.g5 fg5 9.Qh5–/+; C3) 5...Bb4 6.Bg2 (6.Qe4 Nc6 7.Nf3 Nge7 8.Bc4 Bc5 9.Rg1–+ ; 6.a3 Bc5 7.Nc3 Qd4 8.Bg2 h5 9.gh5–/+) 6...Ne7 7.Be4 c6 8.g5 Be6 9.gf6–/+; D) 5.a3 D1) 5...Nh6 6.h3 (6.g5 Nf7 7.gf6 gf6 8.Nc3 f5 9.Bc4–/+ ; 6.Bb5 c6 7.Be2 a5 8.ba5 Bc5 9.Nc3–+) 6...a5 7.ba5 Ra5 8.Bg2 Bc5 9.Nc3+=; D2) 5...Qd7 6.h3 (6.Bg2 a5 7.Be4 ab4 8.h3 Nc6 9.Nf3–/+ ; 6.g5 Nc6 7.Nc3 f5 8.d3 ed3 9.Bd3–/+) 6...h5 7.Bg2 a5 8.gh5 ab4 9.Be4–/+; D3) 5...a5 6.ba5 (6.Bg2 ab4 7.Be4 ba3 8.Na3 Bc5 9.Qe2–/+; 6.Qe2 ab4 7.Qe4 ba3 8.Ba3 Nc6 9.Bb5–/+) 6...Ra5 7.Nc3 Qd4 8.Bg2 Bc5 9.Qe2–/+.

4.g4 Be6 5.b5 (5.a3 A) 5...de4 6.Bg2 (6.Nc3 a5 7.b5 h5 8.gh5 f5 9.d3–/+) 6...a5 7.Be4 Qc8 8.g5 ab4 9.Qh5+=; B) 5...a5 6.ba5 (6.b5 de4 7.Nc3 h5 8.gh5 f5 9.d3–/+; 6.Bg2 ab4 7.Qe2 d4 8.ab4 Ra1 9.Ba1–+) 6...Ne7 7.g5 Ng6 8.gf6 gf6 9.Nc3+=; C) 5...Qd7 6.h3 (6.ed5 Bd5 7.f3 Nc6 8.Bd3 Be6 9.Qe2–/+) 6...a5 7.ba5 de4 8.Bg2 Nc6 9.Be4+=; 5.Qe2 Qd7 6.b5 (6.a3 de4 7.Nc3 Bg4 8.Qe4 Nc6 9.b5–+; 6.g5 Bb4 7.gf6 Nf6 8.Nf3 de4 9.Ne5–/+) 6...Bg4 7.Nf3 d4 8.Rg1 Nh6 9.Qd3–/+) 5...c5 (5...de4 6.Bg2 (6.Nc3–/+ h5 7.Qe2 hg4 8.Qe4 c6 9.f4–/+) 6...Qd7 7.Qe2 Bg4 8.Qe4 c6 9.f4–/+) 6.g5 (6.ed5 Qd5 (6...Bd5 7.Nf3 Be6+= 8.g5 e4 9.gf6=) 7.f3 Qd7 8.g5 Bd6 9.gf6+=) 6...Nd7 (6...de4 7.gf6 (7.Qe2–/+ f5 8.Be5 Qg5 9.Nh3–/+) 7...Nf6 8.Be5 Nbd7 9.Bg3–/+) 7.Bg2 (7.ed5 Bd5 8.Nf3 c4 (8...fg5= 9.Nc3=) 9.Nc3=) 7...d4+= 8.gf6 (8.Bh3 Bf7+= 9.Nf3–/+) 8...Ngf6–/+ 9.Ne2 (9.Nf3 Qa5 10.a4 h6–/+ (10...Ne4 11.Qe2 Bf5 12.Nh4+=)) 9...Qc7 (9...Bd6 10.Rg1–/+) 10.a4 Bd6 11.d3 c4 12.c3 cd3 13.Ng3 (13.Nc1 dc3 14.Bc3 Nc5 15.Nd3 0–0 16.Nc5 Bc5–+ (worse is 16...Qc5 17.0–0–/+)) 13...dc3 14.Nc3 Nc5 15.Nd5 Qf7 16.Nf6 gf6 (16...Qf6 17.0–0 Bb3 18.Qg4 Na4 19.Nh5–+) 17.0–0 (17.Bf3 0–0–0 18.Rc1 Kb8–+) 17...Bb3 18.Nf5 0–0–0 (18...Bf8!? 19.Qd2 Bc2 20.Ba3–+) 19.Qc1 (19.Qd2 Rhg8 (19...Ba4? 20.Rfc1 Qc7 21.Ra4 Na4 22.Rc7 Bc7 23.Ba3+–) 20.Rfc1 Qc7–/+) 19...Bc2 20.Qh6 (20.Qe3 A) 20...Na4?! 21.Ra4 (21.Nd6 Rd6 22.Ra4 Ba4 23.Qc5 Qc7 24.Qa7 Qg7–+) 21...Ba4 22.Qa7=; B) 20...Bf8 21.Ba3 Qc4–+) 20...Ne6 (20...Qg6 21.Nd6 Rd6 22.Qh3 Kb8 23.Ba3–+) 21.Ne3 (better is 21.Nd6!? Rd6 22.f4–+) 21...Nf4–+ 22.Ba3 (22.b6 a6–+) 22...Rhg8 23.f3 (23.Bd6 Rd6 24.Kh1 Ng2 25.Ng2–+) 23...Ba3 24.Ra3 Rg2! (24...Ng2?! 25.Ng2 Qc4 26.Qe3–+) 25.Ng2 (25.Kh1 Re2 26.Nc2 dc2–+) 25...Rg8 (better is 25...Qg8 26.Qf4 ef4–+) 26.Rf2 Rg6 27.Qg6 (27.b6 Qg8 (27...Rh6 28.ba7 Nh3 29.Kf1 Nf2 30.a8Q Kd7 31.Qb7 Ke6 32.Qa6 Ke7 33.Rc3+/–) 28.Qg6 Nh3 (worse is 28...Ng6 29.ba7 Kd7 30.Ne1–+; 28...Qg6?? 29.ba7 Ne2 30.Re2 de2 31.a8Q Kd7 32.Qb7 Kd8 33.Qb8 Ke7 34.Qb4 Kf7 35.Qc4 Kg7 36.Qe2+–; worse is 28...hg6 29.Nf4 ef4 30.ba7–+) 29.Kf1 hg6 (worse is 29...Qg6 30.ba7 Kd7 31.a8Q+–) 30.ba7 Kc7–+) 27...Qg6 28.Rc3 Kd7 29.Rfc2 dc2 (29...dc2 30.Rc2 Qg8–+) 0–1. Gancza,Grzegorz – Jankowicz,Robert, corr Poland–ch13 sf, 1969.

4.Qh5 Ke7 5.Be5 (better is 5.ed5 Qd5 6.Nc3+=) 5...fe5–/+ 6.Qe5 Be6 (6...Kf7 7.Nc3 Nf6 8.Nd5–/+) 7.Nc3 c6 8.Nf3 Nd7 9.Qg5 Ngf6 (9...Ke8 10.Qe3 Qe7–/+ (worse is 10...Bb4 11.ed5 Bc3 12.dc3+/–)) 10.e5+= h6 11.ef6 Nf6 12.Qh4 Kd7 13.Ne5 Ke7?? (better is 13...Kc8+=) 14.Ng6+– Kd7 15.Nh8 Ne4? (15...Qe8+–) 16.Qd8 Rd8 17.Ng6 Bb4 18.Ne4 de4 19.Ne5 Kc7 20.c3 Ba5 21.Nc4 Bc4 22.Bc4 Rf8 23.0–0 b5 24.Bb3 Bb6 25.Rae1 Re8 26.d3! e3 27.fe3 Be3 28.Re3! Re3 29.Rf7 Kb6 30.Rg7 Rd3 31.c4 bc4 32.Bc4 Rc3 33.Bb3 Rc1 34.Kf2 Rc5 35.Kg3 a5 36.Rg6 h5 37.Bd1 Rc3 38.Kh4 Rd3 39.Bf3 Ra3 40.Rc6 Ka7 41.Rc5 Ra2 42.Rh5 Ra4 43.Kh3 Rb4 44.g3 a4 45.Ra5 Kb6 46.Ra8 Rd4 47.Rb8 Kc5. bungo – vikki16121971, internet, 2013.

4.f4 Bd6

5.ed5 Bb4 6.Qh5 g6 7.Qe2 Qd5 8.fe5 Kf7 9.Nf3+=.

5.ed5 ef4 6.Qh5 (6.a3 Qe7 7.Kf2 Nh6 8.Bb5 Kd8 9.Nc3+=; 6.Bb5 Bd7 7.Qh5 g6 8.Qe2 Qe7 9.Qe7=) 6...g6 7.Qe2 Ne7= 8.Qb5 Nd7 9.Nc3=.

5.f5 de4 6.Qh5 Kf8 7.Nc3 Nc6 8.Ne4 Nb4 9.Kd1–/+.

5.f5 Nh6 6.Qh5 Ke7 (6...Kf8!? 7.Bd3 Bb4+= 8.a3 Bc5 9.Nc3+=) 7.c4= (worse is 7.ed5 Bf5 8.c3 Qg8–/+ 9.Qe2–/+) 7...Qe8 (7...dc4 8.b5 a6 9.Bc4=) 8.Qe8 (8.Qh4 dc4 9.Bc4=) 8...Re8 (8...Ke8 9.cd5 Bb4 10.Nf3=) 9.c5+= Bc5 10.bc5 de4 11.Nc3 Bf5 12.Nge2 Bg6 13.Ng3 f5 14.Bc4 c6 15.Ba3 Bf7 16.Bf7 (better is 16.Be2!?+=) 16...Kf7= 17.Rb1 b6 18.Rf1 g6?? (better is 18...Ke6=) 19.Nge4 Kg7 20.Nd6 Re6 (20...Rd8 21.Nc4 b5 22.Ne5+/–) 21.d3 (better is 21.cb6 ab6 22.Rb6 Ra3 23.Rb7 Kf8 24.Rb8 Kg7 25.Rb7 Kg8 26.Nc4+–) 21...Nd7 22.Ke2 Rb8 23.h3 bc5 (better is 23...Ra8!?+/–) 24.Rb8+– Nb8 25.Rb1 (worse is 25.Bc5 Nd7 26.Ba3 c5+–) 25...Nd7 26.Rb7 Re7 (26...Rd6 27.Bc5 Rf6 28.Rd7 Rf7 29.Ra7 Ra7 30.Ba7 Nf7+–) 27.Bc5! (27.Ra7?! Ng8+–) 27...Kf8 (27...Nc5 28.Re7) 28.Nc8 Nc5 29.Re7 a6 (29...Nf7 30.Ra7 Ne6 31.Kf2+–) 30.Re5 Nd7 31.Re6 Nb8 (31...Nf7 32.Rc6 Nfe5 33.Rd6+–) 32.Nd6 Kg7 33.Re8 Nf7 34.Nf7 Kf7 35.Rb8 Ke7 36.Ra8 a5 37.Ra5 Kd6 38.a4 1–0. Kucharkowski,Jens – Hinke,Gerold, 12.DDR–JFM, 1981.

4.ed5 Bb4

5.a3 Ba5 6.Nc3 Ne7=.

5.a3 Bc5=.

5.a3 Be7 6.Bd3 (6.Bb5!? c6 7.dc6 Nc6 8.Nc3=) 6...Qd5–/+ 7.Qh5 (7.Nf3 Nc6–/+) 7...g6 (7...Qf7 8.Qf7 Kf7 9.Nf3–/+) 8.Qf3 (8.Qh4 Qf7–/+) 8...Qf3 9.Nf3 (9.gf3? Nd7–+) 9...a6 (9...Be6 10.Be4 Nd7 11.d4–/+ (11.Bb7? Rb8–+)) 10.0–0 (10.Nc3 Be6–/+) 10...b5 (10...Bg4 11.Be4 Nd7 12.h3 (12.Bb7? Rb8–+) 12...Bf3 13.Bf3–/+) 11.Be4 c6 12.Re1 (12.a4 ba4 13.Ra4 Nh6–/+) 12...Bb7 (12...Nh6 13.h3–/+) 13.d4+= Bd6?? (better is 13...f5 14.Bc6 Bc6+=) 14.de5+– fe5 (14...Be7 15.ef6 Nf6 16.Bg6 Kf8 17.Bf5+–) 15.Ne5 (15.Be5?! Be5 16.Ne5 Ne7+/–) 15...Ra7? (15...Ne7 16.Ng6! Rg8 17.Ne7 Be7 18.Bh7 Rf8+–) 16.Ng6! hg6 17.Bg6 (worse is 17.Bh8 Kf7+–) 17...Kf8 (17...Kd7 18.Bf5 Kc7 19.Bh8 c5+–) 18.Bh8 (18.Bh8 Ne7 19.Be4+–; 18.Re8) 1–0. Wall,Bill – BigToe, internet, 2005.

5.Bb5 c6 6.dc6 Nc6 7.Nf3=.

5.Bb5 Kf7 6.c4 Bd6 7.Nf3 Ne7 8.d4 e4 9.Nfd2 c6 10.dc6 bc6 11.Ba4 f5 12.0–0 Be6 13.Qh5 g6 14.Qh3 Bd7 15.Bb3+– Bf4 16.d5 cd5 17.cd5 Nc8 18.d6 Be6 19.Ne4 Bd6 20.Be6 Ke6 21.Qb3 Kd7 22.Nf6 Kc6 23.Rc1 Bc5 24.Qf3 Kb6 25.Nd5 Kc6 26.Nf4 Kb6 27.Ne6 Qe7 28.Nc5 (28.Nc5 Qc5 29.Rc5 Kc5 30.Qa8+–) 1–0. guest327 – guest552, ICC, 1999.

5.c3 Bd6 A) 6.Bb5 A1) 6...Kf7 7.Qh5 (7.d4 ed4 8.Qd4 a6 9.Be2 Nh6 10.Nd2+=; 7.d3 Nd7 8.Qh5 g6 9.Qf3 Nb6 10.Nd2+=; 7.Qf3 a6 8.Bd3 Nh6 9.Qh5 Kg8 10.Be4+=; 7.Bc4 Nd7 8.d3 Nb6 9.Bb3 Ne7 10.Qh5+=) 7...g6 8.Qf3 Kg7 9.Ne2 a6 10.Ba4+=; A2) 6...Nd7 7.d4 (7.Qg4 Kf7 8.Qh5 g6 9.Qf3 Ne7 10.Nh3+=; 7.d3 Ne7 8.Qh5 Kf8 9.Ba3 Ba3 10.Na3–/+; 7.Ba3 Ba3 8.Na3 Ne7 9.Qh5 g6 10.Qf3+=; 7.c4 Ne7 8.Qh5 Ng6 9.d4 Bb4 10.Nd2+=) 7...ed4 8.Qd4 a6 9.Be2 Ne7 10.Nf3=; A3) 6...c6 7.dc6 (7.Qh5 g6 8.dc6 bc6 9.Qf3 Qb6 10.Ba3–+ ; 7.Bc4 Ne7 8.dc6 Nbc6 9.Qh5 g6 10.Qe2+=) 7...Nc6 8.Ba3 Ba3 9.Na3 Qd5 10.Nf3+=; A4) 6...Kf8 7.d3 (7.Bc4 Nd7 8.d4 Ne7 9.Ba3 Nb6 10.de5+= ; 7.d4 ed4 8.Qd4 Ne7 9.c4 c6 10.dc6+=; 7.Nf3 Ne7 8.Qb3 Nd7 9.Bd7 Qd7 10.d3+=; 7.c4 Ne7 8.d4 c6 9.dc6 Bb4 10.Kf1+=) 7...Ne7 8.Qf3 Nd7 9.Nd2 Nb6 10.Bc4+=; A5) 6...Bd7 7.Bd7 (7.Qg4 Kf7 8.Bd7 Qd7 9.Qh5 g6 10.Qe2+= ; 7.Qb3 Ne7 8.Nf3 Bb5 9.Qb5 Nd7 10.d4+= ; 7.a4 Ne7 8.Qh5 g6 9.Qf3 0–0 10.Ne2+=; 7.Be2 Ne7 8.d4 ed4 9.Qd4 0–0 10.Nf3+=) 7...Nd7 8.c4 Nh6 9.d4 ed4 10.Qe2+=; B) 6.Qh5 g6 7.Qh4 (7.Qf3 Nd7 8.Na3 Bc5 9.Nc2 Ne7 10.d4+= ; 7.Bb5 c6 8.dc6 bc6 9.Qf3 Qb6 10.Ba4–+; 7.Qe2 Ne7 8.Qf3 0–0 9.Bc4 Nd7 10.d3–/+; 7.Qd1 Ne7 8.Bb5 Nd7 9.d4 ed4 10.Qd4–/+) 7...Nd7 8.d4 ed4 9.Qd4 Ne7 10.Be2+= ; C) 6.d4 C1) 6...Qe7 7.Be2 (7.Ne2 Nd7 8.c4 ed4 9.Bd4 Nh6 10.Nbc3–/+ ; 7.de5 Qe5 8.Qe2 Ne7 9.Qe5 Be5 10.Bc4+= ; 7.Bd3 ed4 8.Ne2 c6 9.0–0 Qe5 10.Ng3=) 7...ed4 8.Qd4 c6 9.c4 cd5 10.cd5=; C2) 6...Nd7 7.Nf3 (7.c4 ed4 8.Bd4 Ne7 9.Bd3 c5 10.Bc3+= ) 7...Ne7 8.de5 Ne5 9.Ne5 Be5 10.f4+=; C3) 6...ed4 7.Qd4 (7.Qa4 Kf7 8.Qd4 Ne7 9.Bc4 Nd7 10.Ne2+= ; 7.Nf3 dc3 8.Nc3 Ne7 9.Bb5 Bd7 10.Qb3+= ; 7.Bb5 c6 8.dc6 Qe7 9.Ne2 bc6 10.Bd3+=) 7...c6 8.Qe3 Ne7 9.dc6 Nbc6 10.Nf3+=; D) 6.Bc4 D1) 6...a6 7.Nf3 (7.d3 Nd7 8.Qh5 g6 9.Qf3 Nb6 10.Nd2+= ; 7.d4 ed4 8.Qd4 c6 9.Ba3 b5 10.Bd6+=; 7.Ba3 b5 8.Bb3 Ne7 9.Qh5 g6 10.Qf3+=; 7.Qh5 g6 8.Qe2 b5 9.Bb3 Ne7 10.a4+=) 7...b5 8.Bb3 Ne7 9.d4 e4 10.Nfd2= ; D2) 6...Nd7 7.Nf3 (7.Qg4 Kf7 8.Qh5 g6 9.Qf3 Nb6 10.d3+= ; 7.Qh5 g6 8.Qf3 Nb6 9.d3 Nc4 10.dc4+=; 7.d3 Nb6 8.Nd2 Ne7 9.Qh5 g6 10.Qf3+=; 7.d4 Ne7 8.Qh5 g6 9.Qe2 ed4 10.Nf3+=) 7...Nb6 8.Bb3 Ne7 9.d4 0–0 10.c4+=; D3) 6...Bf5 7.Bc1 (7.d3 Ne7 8.Ne2 a6 9.Ng3 Bg6 10.Qf3+=; 7.Ne2 Ne7 8.Ng3 Bg6 9.d3 Nd7 10.Qf3+=; 7.Nf3 Ne7 8.d4 0–0 9.0–0 Nd7 10.Re1+=; 7.Ba3 a6 8.Bd6 Qd6 9.d4 Ne7 10.Nf3+=) 7...Nd7 8.Nf3 Ne7 9.Nh4 0–0 10.Nf5=; D4) 6...c5 7.dc6 Nc6 8.Bg8 Rg8 9.Qh5 g6 10.Qh7=; D5) 6...Ne7 7.Nf3 (7.d3 0–0 8.Qf3 Nd7 9.Ne2 Nb6 10.Bb3–/+ ; 7.Qh5 g6 8.Qf3 0–0 9.d3 Nd7 10.Ne2+= ; 7.Qf3 Nd7 8.Qh5 g6 9.Qf3 Nb6 10.d3+=; 7.Qe2 0–0 8.Nf3 Nd7 9.d4 Nb6 10.de5–/+) 7...0–0 8.d4 Nd7 9.de5 fe5 10.Ng5+=; E) 6.Nf3 E1) 6...c6 7.d4 (7.Bc4 cd5 8.Bd5 Ne7 9.Bb3 Nbc6 10.d3=; 7.Qb3 Ne7 8.dc6 Nbc6 9.d4 ed4 10.Nd4+=; 7.dc6 Nc6 8.d4 Nge7 9.Nbd2 Bg4 10.Be2=; 7.Qa4 Ne7 8.dc6 Nbc6 9.Ba3 0–0 10.Bc4+=) 7...ed4 8.Nd4 Qe7 9.Be2 cd5 10.0–0=; E2) 6...c5 7.dc6 (7.c4 Ne7 8.Bd3 Bg4 9.0–0 Nd7 10.Nc3+=; 7.Bd3 Ne7 8.c4 Bg4 9.0–0 Qb6 10.Bc3+=; 7.Bb5 Bd7 8.Bd7 Nd7 9.c4 Ne7 10.Nc3=; 7.d4 cd4 8.cd4 e4 9.Nfd2 f5 10.Nc4=) 7...Nc6 8.d4 Nge7 9.Nbd2 Bg4 10.Qb3=; E3) 6...Nh6 7.d3 (7.Bb5 Nd7 8.d4 0–0 9.Bc1 Nf7 10.0–0+=; 7.Be2 0–0 8.d3 Nd7 9.0–0 Nb6 10.Qb3+=; 7.Bc4 0–0 8.0–0 Nd7 9.d3 Nb6 10.Bb3+=; 7.d4 e4 8.Nfd2 0–0 9.Bc1 Nf7 10.Be2+=) 7...c6 8.Qb3 Nf5 9.Be2 Na6 10.d4+=; E4) 6...Bc5 7.Qa4 (7.Bc4 e4 8.Nh4 Ne7 9.0–0 Bd6 10.d3+=; 7.c4 Nh6 8.d4 ed4 9.Bd4 Bd4 10.Nd4=; 7.Qb3 Ne7 8.d4 ed4 9.Bb5 Nd7 10.0–0+=) 7...Kf7 8.Bc4 Qd6 9.d4 ed4 10.cd4=; E5) 6...Ne7 7.d4 (7.Bb5 Nd7 8.d4 0–0 9.de5 Ne5 10.Ne5+=; 7.Bc4 0–0 8.d4 Nd7 9.de5 fe5 10.Ng5+=; 7.Qb3 0–0 8.d4 Nd7 9.Be2 ed4 10.Nd4+=) 7...0–0 8.de5 fe5 9.Bd3 Nd5 10.Bc4+=.

5.c3 Be7 A) 6.Bb5 A1) 6...Bd7 7.Qe2 (7.Bc4 Bd6 8.d4 ed4 9.Qd4 c6 10.Ba3+=; 7.Bd3 Nh6 8.Qh5 Kf8 9.Qe2 Bg4 10.f3+=; 7.Qb3 Bb5 8.Qb5 Nd7 9.Nf3 Rb8 10.Bc1+=; 7.Bd7 Nd7 8.d4 ed4 9.Qd4 Bc5 10.Qd3+=) 7...Nh6 8.Nf3 Nf5 9.0–0 0–0 10.Bd7=; A2) 6...Kf7 7.d3 (7.Qh5 g6 8.Qf3 Nd7 9.Bc4 Kg7 10.d3+=; 7.Bc4 Bd6 8.d3 Nd7 9.Qh5 g6 10.Qf3+=; 7.Qf3 Nh6 8.Bc4 Bd6 9.Qh5 Kg8 10.d3=; 7.Qb3 Bd6 8.Nf3 Nd7 9.d4 ed4 10.Nd4=) 7...Bc5 8.Bc4 Bd6 9.Ba3 Ne7 10.Qh5=; A3) 6...Nd7 7.Nf3 (7.d3 a6 8.Bd7 Qd7 9.c4 c6 10.Nc3+= ; 7.c4 a6 8.Bd7 Bd7 9.d4 e4 10.Ne2=; 7.d4 ed4 8.Qd4 a6 9.Bd7 Qd7 10.Nf3=) 7...a6 8.Be2 e4 9.Nd4 Nc5 10.c4=; A4) 6...c6 7.dc6 Nc6 8.Qh5 g6 9.Qe2 a6 10.Bc6+=; B) 6.Bc4 B1) 6...Bd6 7.Qh5 (7.d3 Nd7 8.Nd2 Nh6 9.Qh5 Nf7 10.Ngf3= ; 7.Nf3 Ne7 8.d4 0–0 9.0–0 Nd7 10.Re1= ; 7.d4 ed4 8.Qd4 c6 9.Nf3 Ne7 10.dc6=; 7.Ba3 a6 8.Bd6 cd6 9.a4 Bf5 10.Ne2=) 7...g6 8.Qe2 Ne7 9.Nf3 Nd7 10.d4=; B2) 6...Bc5 7.d3 (7.Ba3 Ba3 8.Na3 a6 9.Qh5 g6 10.Qf3=; 7.Ne2 Ne7 8.d4 Bd6 9.0–0 0–0 10.Nd2=; 7.Qa4 Qd7 8.Bb5 c6 9.dc6 bc6 10.Be2=; 7.Nf3 e4 8.Nh4 Ne7 9.0–0 Bd6 10.Qh5+=) 7...Ne7 8.Qh5 g6 9.Qf3 Nd7 10.Nd2=; B3) 6...a6 7.d4 (7.d3 b5 8.Bb3 Bb7 9.Qf3 Bc5 10.Nd2+= ; 7.Qh5 g6 8.Qf3 Nd7 9.d3 Nb6 10.Bb3+=; 7.Qf3 Nd7 8.d3 Nb6 9.Bb3 Bd6 10.Ne2+=; 7.Bb3 Bd6 8.d4 ed4 9.Qd4 Qe7 10.Ne2+=) 7...b5 8.Bb3 ed4 9.Qd4 Bf5 10.c4=; B4) 6...Nd7 7.d4 (7.Qa4 Kf8 8.Bb3 Nc5 9.Qc4 Qd7 10.Ba3–/+ ; 7.Qh5 g6 8.Qf3 Nb6 9.Bb3 Bf5 10.d3+=; 7.Qg4 g6 8.Qf3 Nb6 9.Bb3 Bf5 10.d3+=; 7.Bb5 a6 8.Ba4 Nh6 9.Qh5 Nf7 10.Ne2–/+) 7...Nb6 8.Bb5 Kf8 9.de5 fe5 10.Nf3+=; C) 6.Qf3 C1) 6...Nh6 7.Bc4 (7.Bb5 Bd7 8.a4 Nf7 9.Ne2 Ng5 10.Qd3+= ; 7.Ba3 Bg4 8.Qg3 Ba3 9.Na3 Qd7 10.h3+=; 7.Qh5 Nf7 8.Bb5 Nd7 9.Nf3 0–0 10.Be2–/+; 7.h3 Nf7 8.Ba3 Ba3 9.Na3 Nd7 10.Bc4–/+) 7...Bg4 8.Qg3 Bd6 9.d3 f5 10.h3+=; C2) 6...Bd6 7.Qg3 (7.Bb5 Bd7 8.Qg4 g6 9.Bd7 Nd7 10.Nf3+= ; 7.Ba3 a6 8.Qh5 g6 9.Qf3 Nh6 10.Bd6+=; 7.Bc4 Nh6 8.Qh5 Nf7 9.Nf3 g6 10.Qh4=; 7.Bc1 Ne7 8.Bc4 Nd7 9.d3 Rb8 10.Ne2+=) 7...Kf7 8.Qf3 Ne7 9.Bd3 Ng6 10.Ne2=; C3) 6...Bc5 7.Bb5 (7.Ba3 Ba3 8.Na3 Nd7 9.Nc4 Nh6 10.d6+= ; 7.Qh5 g6 8.Qf3 Nh6 9.Ba3 Bg4 10.Qe4+=; 7.Bc4 Nd7 8.Ba3 Ba3 9.Na3 Nb6 10.Bb5+=; 7.Qg3 g6 8.Qf3 Nh6 9.Ba3 Bg4 10.Qe4+=) 7...Bd7 8.Bc4 Nh6 9.Qh5 Nf7 10.d4=; C4) 6...a6 7.Bc4 (7.c4 Bc5 8.Qh5 g6 9.Qd1 Nh6 10.d4+= ; 7.d4 ed4 8.Bd3 Nh6 9.Bc1 Nf7 10.cd4–/+; 7.d3 Nd7 8.Be2 Nb6 9.c4 Bc5 10.Nd2+=; 7.Be2 Nh6 8.d3 0–0 9.Bc1 Nf5 10.Qe4+=) 7...Nd7 8.d3 Nb6 9.Bb3 Bf8 10.Ne2+=; C5) 6...Nd7 7.Qg3 (7.Qg4 g6 8.Qd1 Bc5 9.Nf3 Nb6 10.c4+=; 7.Bb5 a6 8.Ba4 Nh6 9.Ne2 0–0 10.Bb3+=; 7.Be2 Bc5 8.Qg3 g6 9.Nh3 Nb6 10.c4+=; 7.Bd3 Nh6 8.Ba3 Nb6 9.Be7 Qe7 10.h3–/+) 7...Bf8 8.Be2 Ne7 9.c4 Nc5 10.d4+= ; D) 6.Qa4 D1) 6...Bd7 7.Qb3 (7.Qc2 c6 8.Bc4 b5 9.Bb3 Na6 10.d4+= ; 7.Qd1 Bf5 8.Bb5 c6 9.dc6 Nc6 10.Qf3+=; 7.Bb5 c6 8.dc6 Nc6 9.Qb3 Rc8 10.Ba3+=; 7.Qc4 c6 8.Qb3 cd5 9.Qd5 Nc6 10.Bc4+=) 7...Na6 8.d4 ed4 9.cd4 Bb4 10.Bc3=; D2) 6...Kf7 7.Nf3 (7.d4 ed4 8.Qd4 Nh6 9.Bd3 Bd6 10.Ne2= ; 7.Bc4 Bd6 8.Ba3 Ne7 9.d3 a6 10.Nf3+=; 7.Bd3 c6 8.Qc2 cd5 9.Bh7 e4 10.Bg8–/+; 7.Qb3 Bd6 8.Nf3 Ne7 9.d4 Ng6 10.de5=) 7...Bd6 8.d4 e4 9.Nfd2 Nd7 10.Qb3=; D3) 6...Nd7 7.Nf3 (7.d4 ed4 8.Qd4 Bc5 9.Qe4 Ne7 10.Nd2+= ; 7.Bc4 Nh6 8.d3 Nf7 9.Nf3 0–0 10.0–0+=; 7.c4 Nh6 8.d4 0–0 9.Nf3 ed4 10.Nd4+=; 7.Ba3 Ba3 8.Na3 Ne7 9.Bc4 Kf8 10.Nf3–/+) 7...Kf7 8.d4 ed4 9.Qd4 Nh6 10.Be2=; D4) 6...Qd7 7.Bb5 c6 8.dc6 Nc6 9.d4 a6 10.de5=; D5) 6...c6 7.dc6 Nc6 8.d4 Be6 9.de5 a6 10.c4=; E) 6.c4 E1) 6...Nd7 7.d4 (7.Nf3 Nh6 8.d4 Bb4 9.Bc3 Qe7 10.Be2= ; 7.Qg4 Bf8 8.d4 Nh6 9.Qh5 Nf7 10.Nf3=) 7...Nh6 8.Bd3 Bb4 9.Nd2 0–0 10.Qc2+=; E2) 6...Bc5 7.Ne2 (7.Be2 Nh6 8.Nf3 e4 9.Nd4 0–0 10.d3=; 7.d4 ed4 8.Bd4 Bd4 9.Qd4 Ne7 10.Nf3=; 7.Nf3 Ne7 8.d4 ed4 9.Nd4 0–0 10.Bd3=) 7...Nh6 8.d4 ed4 9.Nd4 0–0 10.Be2=; E3) 6...c6 7.d4 (7.Nc3 Bc5 8.Ne4 Bf8 9.Nc3 Bd6 10.Qh5=) 7...cd5 8.de5 Bb4 9.Nd2 Be6 10.cd5=; E4) 6...c5 7.Nf3 (7.Nc3 Bf5 8.Qb3 b6 9.Nge2 Nh6 10.Ng3= ; 7.Bd3 Nh6 8.Nf3 Bf5 9.Bf5 Nf5 10.Nc3= ) 7...Bd6 8.Bd3 Ne7 9.Qc2 g6 10.Nc3=; E5) 6...Nh6 7.d4 Bb4 8.Nd2 0–0 9.de5 fe5 10.a3=.

5.c3 Bf8 A) 6.Bb5 A1) 6...Bd7 7.Qb3 (7.Bd7 Nd7 8.d4 ed4 9.Qd4 Bc5 10.Qd3+= ; 7.Bc4 Bd6 8.d4 ed4 9.Qd4 c6 10.Qe3+=; 7.Bd3 Nh6 8.Qb3 Bc8 9.Nf3 c6 10.Be4=; 7.Be2 Bd6 8.Nf3 c5 9.dc6 Bc6 10.d4=) 7...Bb5 8.Qb5 Nd7 9.Nf3 a6 10.Qe2=; A2) 6...Kf7 7.Qf3 (7.Bc4 Bd6 8.Ba3 Ne7 9.Qh5 g6 10.Qf3= ; 7.Qh5 g6 8.Qf3 Nd7 9.Ne2 Nb6 10.d4+=; 7.Qb3 Bd6 8.Nf3 a6 9.Be2 Nh6 10.0–0=; 7.c4 a6 8.Ba4 Nh6 9.Nf3 c6 10.dc6+=) 7...Nh6 8.d3 a6 9.Bc4 Bd6 10.Bc1=; A3) 6...Nd7 7.c4 (7.d4 ed4 8.Qd4 a6 9.Ba4 b5 10.Bb3+= ; 7.Nf3 Ne7 8.d4 Nd5 9.de5 c6 10.Bc4+=; 7.d3 Kf7 8.Qf3 Nb6 9.Bc4 Bd6 10.Nh3+=; 7.Ne2 a6 8.Ba4 b5 9.Bb3 Nc5 10.d4+=) 7...Rb8 8.Bd7 Bd7 9.d4 e4 10.Ba3= ; A4) 6...c6 7.dc6 Nc6 8.Qh5 g6 9.Qe2 Nge7 10.d4=; B) 6.Bc4 B1) 6...Bd6 7.Qh5 (7.d3 Nd7 8.Qg4 Kf7 9.Qh5 g6 10.Qf3=; 7.Ba3 a6 8.Bd6 cd6 9.a4 Bf5 10.Ne2=; 7.Nf3 Ne7 8.d4 0–0 9.0–0 Nd7 10.Re1=; 7.Bb5 Bd7 8.Qb3 Ne7 9.Nf3 Bb5 10.Qb5+=) 7...g6 8.Qe2 Nd7 9.d4 Ne7 10.Nf3=; B2) 6...Bc5 7.d3 (7.Ba3 Ba3 8.Na3 a6 9.Qh5 g6 10.Qf3=; 7.Nf3 e4 8.Nd4 Bd4 9.cd4 Ne7 10.Qh5=; 7.Qa4 Nd7 8.Ba3 Ba3 9.Na3 Ne7 10.Rd1=; 7.Ne2 Ne7 8.d4 Bd6 9.0–0 0–0 10.Nd2=) 7...a6 8.Nf3 Ne7 9.d4 ed4 10.Nd4=; B3) 6...a6 7.d4 (7.d3 b5 8.Bb3 Bb7 9.Qh5 g6 10.Qf3+= ; 7.Qh5 g6 8.Qf3 Nd7 9.d3 Nb6 10.Nd2+=; 7.Qf3 Nd7 8.Bb3 Ne7 9.Ba4 Rb8 10.Ba3+=; 7.Bb3 Bd6 8.d3 Ne7 9.Qh5 Ng6 10.Ne2+=) 7...b5 8.Bb3 ed4 9.Qd4 Bd6 10.a4=; B4) 6...Ne7 7.Qh5 (7.d4 Nd7 8.Nf3 ed4 9.Nd4 Ne5 10.Bb5= ) 7...g6 8.Qf3 Nf5 9.Ne2 Nd6 10.Bb3=; B5) 6...Nd7 7.d4 (7.Qa4 Bd6 8.Ne2 Ne7 9.Ba3 0–0 10.Bd6–/+ ; 7.Qh5 g6 8.Qe2 Nb6 9.d4 Nc4 10.Qc4+=; 7.Bb5 a6 8.Bd3 Nh6 9.c4 Nf7 10.Qc2+=; 7.Be2 Ne7 8.c4 c6 9.dc6 Nc6 10.Nf3+=) 7...ed4 8.Qd4 Nb6 9.Bb3 Ne7 10.c4+=; C) 6.Qa4 C1) 6...Nd7 7.Nf3 (7.d4 ed4 8.Qd4 Bc5 9.Qe4 Ne7 10.Nd2+= ; 7.Bc4 Bd6 8.Ba3 Ne7 9.Bd6 cd6 10.d3+=; 7.Bb5 Kf7 8.Qc2 Ne7 9.Bd3 Nc5 10.c4–/+; 7.Be2 Bc5 8.Ba3 Ba3 9.Na3 Ne7 10.Bc4+=) 7...Bd6 8.Ba3 Nh6 9.Bd6 cd6 10.Be2+=; C2) 6...Kf7 7.d4 Ne7 8.de5 Nd5 9.Qh4 Be7 10.Nf3=; C3) 6...Bd7 7.Qd1 (7.Qb3 Na6 8.d4 ed4 9.Ba6 ba6 10.cd4+= ; 7.Bb5 Ne7 8.Qb3 Nd5 9.Bd7 Qd7 10.Qb7–/+ ; 7.Qc4 c6 8.Qb3 cd5 9.Qd5 Nc6 10.Bc4+=; 7.Qc2 c6 8.Qb3 Qc7 9.Ba3 cd5 10.Bf8+=) 7...Bc5 8.Qb3 Bb6 9.a4 a5 10.Bc4=; C4) 6...Qd7 7.Bb5 c6 8.dc6 bc6 9.Be2 Ne7 10.d4=; C5) 6...c6 7.dc6 Nc6 8.Bc4 Nh6 9.d4 Bd7 10.d5+=; D) 6.Qh5 g6 7.Qf3 Nh6 8.Bb5 Bd7 9.Qe2 Kf7 10.Nf3=; E) 6.c4 E1) 6...Nh6 7.d4 (7.Nf3 Bd6 8.d4 e4 9.Nfd2 0–0 10.c5= ) 7...ed4 8.Bd4 Bb4 9.Bc3 Qe7 10.Be2=; E2) 6...Bc5 7.Ne2 (7.Be2 Nh6 8.Nf3 e4 9.Nd4 0–0 10.d3=; 7.d4 ed4 8.Bd4 Bd4 9.Qd4 Ne7 10.Nf3=; 7.Nf3 Qe7 8.Nc3 e4 9.Ng1 Na6 10.a3+=) 7...Nh6 8.d4 ed4 9.Nd4 0–0 10.Be2=; E3) 6...c5 7.Bd3 (7.Nc3 Bd6 8.Bd3 Nh6 9.Qh5 Nf7 10.Nf3=; 7.Qh5 g6 8.Qe2 Ne7 9.Nf3 Bg7 10.Nc3+=; 7.Nf3 Bd6 8.Bd3 Ne7 9.Qc2 g6 10.0–0=; 7.Qa4 Bd7 8.Qb3 b6 9.Nf3 Bd6 10.Bd3=) 7...g6 8.Ne2 Bd6 9.0–0 Nd7 10.Nbc3=; E4) 6...Nd7 7.d4 (7.Nf3 Nh6 8.d4 Bb4 9.Bc3 Qe7 10.Be2=; 7.Be2 Nh6 8.Nf3 Bb4 9.a3 Be7 10.0–0=; 7.Qe2 Bb4 8.a3 Ba5 9.Bc3 Bc3 10.Nc3+=; 7.Qh5 g6 8.Qe2 Bb4 9.Nf3 Ne7 10.Bc3=) 7...Bb4 8.Nd2 Qe7 9.Be2 Nh6 10.a3=; E5) 6...c6 7.d4 (7.Nc3 Bc5 8.Qh5 g6 9.Qe2 cd5 10.Nd5+= ) 7...cd5 8.de5 d4 9.Qd4 Qd4 10.Bd4=.

5.Bc4 Bc5 6.Nc3 (6.Nf3 Bg4 7.Nc3 Ne7=) 6...Bd7 (6...Bf5 7.Nf3=) 7.Ne4 Bd6 (7...Bb6 8.Qh5 g6 9.Qe2+/–) 8.Nf3 (better is 8.Qh5 g6 9.Qe2+=) 8...Be7? (better is 8...b5 9.Be2 Ne7+=) 9.Ne5!+– fe5 (better is 9...Bf5 10.Qh5 g6+–) 10.Qh5 Kf8 11.d6 (11.d6 Nh6 12.Qe5+– (12.de7?! Qe7 13.0–0 Bf5+–)) 1–0. Wall,Bill – Guest4608, internet, 2003.

5.Bc4 c6 6.a3 Ba5 (6...Bd6 7.dc6 Nc6 8.Qh5 g6 9.Qe2=) 7.dc6 Nc6 8.Bg8 Rg8 9.Qh5 Kf8 (9...g6 10.Qh7 Ne7 11.Nc3=) 10.Qh7 Bb6 (10...Ke7 11.Nf3+=) 11.Nh3 Bh3 (11...Ke7 12.0–0+=) 12.Qh3 (12.gh3?! Ke7=) 12...Bf2 13.Ke2 (13.Kf2 Qb6) 13...Qb6 14.Ra2 (14.Qc3 Bd4 15.Qd3 Qb2–+) 14...Rd8 (14...Ke7 15.Qf3 Nd4 16.Bd4 Bd4 17.c3–/+) 15.d3 Bc5 16.Nc3 Nd4 17.Kd1 Qc6 18.Rf1 Qc8 19.Qh5 Re8 20.h3 Qc6 21.Qg6 Qb6 22.Ne4 Rh8?? 23.Nf6!+– Qf6 24.Rf6 gf6 25.Bd4 Bd4 26.Qf6 Kg8 27.Qg6 Kf8 28.Qd6 Kg7 29.c3! Be3 30.Rb2 b6 31.Qc7 Kg6 32.Ke2 Bc1 33.Qa7 Bb2 34.Qb6 Kf7 35.Qb2 Rhf8 36.g4 Kg7 37.h4 e4 38.c4 Kg8 39.d4 e3 40.Qb5 Rf2 41.Kd3 Rff8 42.Qd5 Kh7 43.Qh5 Kg7 44.Qg5 Kh7 45.Ke2 Kh8 46.c5 Rf2 47.Kd3 Rff8 48.Qh6 Kg8 49.Qg6 Kh8 50.Ke2 Rf2 51.Ke1 Rff8 52.d5 e2 53.Qe8 Re8 54.d6 Rd8? 55.Ke2 Rd7 56.g5 Rh7 57.c6 Rh4 58.c7 Rh2 59.Kf3 Rh3 60.Ke4 Ra3 61.c8Q Kg7 62.d7 Rd3 63.Kd3 Kg6 64.d8Q Kh5 65.Qh3 Kg6 66.Qf6 1–0. SuperForte – PowerChess, 1994.

5.Bc4 Nd7 6.Qg4 g6 7.Bb5 Bd6 8.Nf3 a6 9.Qa4 Ne7 10.0–0 Nd5 (worse is 10...ab5 11.Qa8 Nd5 12.d4+=) 11.d4 N5b6 (worse is 11...ab5 12.Qa8 0–0 13.Nbd2+=) 12.Bd7 Bd7 (worse is 12...Nd7 13.de5 fe5 14.Ne5+/–) 13.Qb3 Be6?? (better is 13...e4 14.Re1 Qe7+=) 14.Qc3?? (better is 14.Qe6 Qe7 15.Qe7 Ke7 16.de5 fe5 17.Be5 Be5 18.Ne5+–) 14...Na4–+ 15.Qe3 Nb2 16.de5 Nc4 17.Qb3 fe5 18.Nbd2 b5 19.Rfe1 Qf6 20.Nc4 Bc4 21.Qe3 0–0 22.Ne5 Be5 23.Qe5 Qe5 24.Re5 Rfe8 25.Rae1 Re5 26.Re5 Kf7 27.Rc5 Rc8 28.f3 c6 29.a3 Bd5 30.Rc3 Re8 31.Kf2 Bc4 32.Kg3 Re2 33.a4 c5 34.ab5 ab5 35.h4 Re5 36.f4 Rd5 37.Kf3 Bf1 38.Kf2 b4 39.Re3 Bb5 40.g4 Rd4 41.c3 Rf4 42.Kg3 Rc4 43.cb4 cb4 0–1. emeryt85 (1750) – worse10i5 (1630), internet, 2012.

5.f4 ef4 6.Qh5 g6 7.Qe2 Qe7 (7...Kf8 8.Qf3 Bf5 9.Bd3 Bd3 10.Qd3 Qd6 11.Ne2 Ne7 12.a3) 8.Nf3+= (8.Nc3 Bf5 9.Nh3 Bh3 10.gh3 Nd7 11.0–0–0 0–0–0 12.Re1) 8...Bf5 9.Nc3 Nd7 10.Nb5 0–0–0 11.Nfd4 Ne5 12.Nf5.

5.Bb5 Bd7

6.Bc4 b5 A) 7.Bb3 A1) 7...Ne7 8.Qh5 (8.Nf3 Na6 9.0–0 Nf5 10.Nc3 0–0 11.Qe2 Nd6 12.Ne4; 8.Nc3 Na6 9.Nf3 Nc5 10.0–0 Nb3 11.ab3 0–0 12.Re1) 8...Ng6 9.Nc3 0–0 10.Nge2 Na6 11.Ne4 Nc5 12.Nc5; A2) 7...Na6 8.Qh5 Kf8 9.Ne2 Nc5 10.0–0 Nh6 11.h3 Nf5 12.Nbc3; B) 7.a3 bc4 (7...Ne7 8.Ba2 Bd6 9.Nc3 0–0 10.Nf3 Na6 11.0–0 Nf5 12.Qe2) 8.ab4 Ne7 9.Nc3 Bf5 10.Qe2 c6 11.d6 Qd6 12.Ne4.

6.Bc4 Ne7 7.a3 Bd6 (7...b5 8.Ba2 (8.Qh5 g6 9.Qf3 Bd6 10.Ba2 0–0 11.Nc3 Bf5 12.Nge2) 8...Bd6 9.Qh5 Ng6 10.Nc3 0–0 11.Nge2 Na6 12.Ne4; 7...Bc5 8.Nc3 (8.Qf3 Bf5 9.Ne2 Nd7 10.Nbc3 Bc2 11.0–0 Kf8 12.d3; 8.Nf3 c6 9.d6 Nf5 10.0–0 Kf8 11.d4 Nd6 12.Bb3) 8...c6 9.Qh5 g6 10.Qf3 Bf5 11.g4 cd5 12.Nd5) 8.Nc3 (8.Qh5 g6 9.Qe2 0–0= (9...c6 10.Nc3 Nd5 11.Nd5 cd5 12.Bd5) 10.Nc3 Na6 11.Nf3 Nc5 12.0–0; 8.Nf3 b5 9.Ba2 Na6 10.Nc3 Nc5 11.0–0 Nf5 12.d4) 8...Bf5 (8...0–0 9.Nf3+= Na6 10.0–0 Nf5 11.d4 ed4 12.Nd4) 9.Nf3 Nd7 (9...0–0 10.Nh4+= (10.d4 Nd7 11.de5 Ne5 12.Ne5) 10...Nd7 11.Nf5 Nf5 12.0–0) 10.Nh4= c6 (10...0–0!?= 11.Nf5 Nf5 12.0–0) 11.dc6 (11.Nf5 Nf5 12.dc6+– 1.68 (12.Qg4 g6+=)) 11...bc6 12.Nf5 Nf5 13.Ne4 (13.Bd3 Rb8+=) 13...Nb6 (13...Rb8 14.Rb1 Qe7 15.0–0+=) 14.Be6+= Ne7 (14...Nd4 15.Bd4 ed4 16.0–0+=) 15.c4 (15.Qg4 Ng6+/–) 15...c5 16.a4 (worse is 16.Nd6 Qd6 17.Bg4 0–0+=) 16...a5 17.0–0 (better is 17.Ra3 Qc7 18.Rd3+/–) 17...g6?? (better is 17...Ng6+=) 18.Nf6+– Kf8 19.f4! h5 (19...ef4 20.Nh5) 20.fe5 Bc7 21.Nh5 Ke8 (21...Nf5 22.Qg4 Ke7 23.Qg6 Rf8 24.Bf5 Rf5 25.Qg7 Ke6 26.Rf5 Qe7 27.Nf4 Kd7 28.e6 Kc6 29.Qe7 Bd6+–) 22.Ng7 1–0. Trokenheim,Marek (2175) – Kaeser,Werner (1905), remoteschach.de, 2010.

6.Bc4 Ne7 7.Nc3 A) 7...c6 8.Qh5 (8.Nf3 Bc3 9.dc3 cd5 10.Bd5 Nd5 11.Qd5 Qb6 12.Ba3; 8.dc6 Nbc6 9.Nf3 Na5 10.Bd3 0–0 11.Qe2 Bf5 12.Bf5; 8.Qf3 cd5 9.Nd5 Bd2 10.Kd2 Bc6 11.Rd1 Bd5 12.Bd5; 8.d6 Nf5 9.Ne4 Nd6 10.Nd6 Bd6 11.Nf3 b5 12.Bb3) 8...g6 9.Qf3 Bc3 10.Bc3 cd5 11.Bd5 Nd5 12.Qd5; B) 7...Bc3 8.Bc3 (8.dc3 b5 9.Bb3 a5 10.a4 ba4 11.Bc4 Nf5 12.Nf3) 8...Bf5 9.Qh5 Bg6 10.Qf3 Bf7 11.Rb1 Bd5 12.Bd5; C) 7...Bf5 8.Nf3 (8.Nge2 c6 9.dc6 Nbc6 10.0–0 Na5 11.Bb5 Bd7 12.a3) 8...Bc3 9.dc3 Nd7 10.Nh4 Nb6 11.Bb3 Qd7 12.0–0; D) 7...Nf5 8.Nf3 (8.a3 Nd6 9.Qe2 Bc3 10.Bc3 0–0 11.Nf3 Bg4 12.d3) 8...0–0 9.0–0 Na6 10.a3 Bd6 11.Re1 Re8 12.Ne4; E) 7...Na6 8.Qh5 (8.Qe2 Bc3 9.dc3 Ng6 10.Ba3 c6 11.Qd2 b5 12.Bb3; 8.Rb1 Nc5 9.Nf3 Rb8 10.a3 Bc3 11.Bc3 b5 12.Ba2; 8.Nge2 Nf5 9.a3 Bd6 10.0–0 0–0 11.Re1 Re8 12.Ng3) 8...g6 9.Qf3 Nf5 10.Nge2 Nc5 11.a3 Ba5 12.0–0.

6.Bc4 Ne7 7.Qh5 Ng6= (7...g6 8.Qf3 b5 9.Bd3 0–0 10.a3 Ba5 11.Ne2 Na6 12.0–0) 8.Nc3 (8.Ne2 0–0 9.0–0 Na6 10.Nbc3 Nc5 11.a3 Ba5 12.d4; 8.a3 Bd6 9.Ne2 0–0 10.Nbc3 Na6 11.0–0 Nc5 12.d4) 8...0–0 9.Nge2 b5 10.Bd3 Na6 11.0–0 Nc5 12.Qf3.

6.Bc4 Bf5 A) 7.a3 Bd6 8.Nf3 (8.Ne2 Ne7 9.Ng3 0–0 10.Nf5 Nf5 11.Nc3 Na6 12.0–0; 8.Nc3 Ne7 9.Nge2 0–0 10.Ng3 Nd7 11.Nf5 Nf5 12.0–0) 8...Ne7 9.0–0 0–0 10.Nh4 Nd7 11.Nf5 Nf5 12.Nc3; B) 7.Ne2 B1) 7...Nh6 8.Ng3 (8.0–0 Nd7 9.Ng3 0–0 10.Nf5 Nf5 11.Bd3 Nh6 12.a3) 8...0–0 9.0–0 Nd7 10.Nf5 Nf5 11.Qg4 Nh6 12.Qf3; B2) 7...c6 8.Ng3 (8.c3 Be7 9.Ng3 Bg6 10.dc6 Nc6 11.0–0 Qb6 12.Qb3; 8.a3 Bc5 9.d4 ed4 10.Bd4 cd5 11.Bb5 Bd7 12.Bc5) 8...Ne7 9.Nf5 Nf5 10.Qf3 Nd6 11.Bb3 cd5 12.Bd5; B3) 7...Ne7 8.Ng3 Bg6 9.a3 Ba5 10.Nc3 Nd7 11.0–0 Nb6 12.Bb5; B4) 7...Nd7 8.Ng3 Bg6 9.a3 Ba5 10.Nc3 Nb6 11.Bb5 Kf7 12.Qg4; C) 7.Nc3 Nd7 8.Nf3 (8.Qf3 Ne7 9.Nge2 Bc2 10.Rc1 Bf5 11.0–0 Nb6 12.Bb3; 8.Nge2 Nb6 9.Bb3 Ne7 10.Ng3 Bg6 11.Qf3 Qd7 12.0–0) 8...Nb6 9.Bb5 Bd7 10.Qe2 Ne7 11.0–0 Bc3 12.dc3; D) 7.Nf3= Ne7 8.Nc3 (8.a3 Bd6 9.Nh4 0–0 10.Nf5 Nf5 11.0–0 Nd7 12.Nc3) 8...Bc3 9.dc3 Nd7 10.Nh4 Nc5 11.Nf5 Nf5 12.Ba3.

6.Bd3 Ne7 7.Qh5 g6 8.Qh4 0–0?? (better is 8...Bc5=) 9.Qb4+– Nd5 10.Qb7 Nb6 11.Qf3 Re8 (11...Bc6 12.Qg3+–) 12.Be4 c6 13.Qd3 (better is 13.Qg3+–) 13...f5+/– 14.Bf3 e4 15.Qb3 Nd5 16.Be2 Qg5 17.Nc3 Be6 (17...Qg2 18.Nd5 Qh1 19.Nf6 Kf8 20.Ba3 c5 21.Bc5 Kg7 22.Ne8 Be8 23.Bd4 Kf8 24.Qb4 Kg8 25.Qc4 Kf8 26.Qc5 Kg8 27.Bc4 Bf7 28.Qc8) 18.Nd5 cd5 19.Qc3 Qh6 20.Qh8 (20.Nh3 Nd7 21.Qh8 Kf7 22.Ng5 Ke7 23.Ba3 Nc5 24.Bc5 Kd7 25.Bb5 Kc7 26.Ne6 Re6 27.Qa8 Qd2 28.Kd2 e3 29.Be3 h5 30.Qa7 Kc8 31.Bf4 Re2 32.Ke2 d4 33.Qd7) 20...Kf7 21.Qf6 Kg8 22.Nh3 d4 23.Bb5 (23.Qd4 f4 24.Ng5 Kf8 25.Qf6 Kg8 26.Qh8) 23...Nd7 24.Qd4 g5 (24...Rad8+–) 25.Ng5! Qg5 26.Qh8 Kf7 27.Qh7 Kf8 28.Bd7 Bf7 29.Ba3 Re7 30.Qh8 Bg8 31.h4 Qg6 32.Rb1 (32.Rb1 Qa6 33.Be7 Ke7 34.Qg7 Bf7 35.Bf5+–) 1–0. Dlugolecki,Grzegorz – Sirotti,Claudio, corr EM/J50/P111 ICCF Email, 2001.

6.Bd3 g6 7.Bc4=+.

6.Qh5 g6 7.Qe2 (7.Qh4 Bb5 8.Qb4=) 7...a6 (7...Ne7!? 8.Qc4 Ba5+=) 8.Bc4+/– Bd6 (8...Ne7 9.Nf3+/–) 9.f4 Qe7 10.fe5 fe5 11.Nf3 Bg4 12.d3 (12.0–0!?+/–) 12...Nd7 13.Nbd2 (13.0–0 Ngf6+=) 13...Ngf6 14.h3 (14.0–0 0–0–0+=) 14...Bf3 15.Nf3 (15.Qf3 Rf8+=) 15...0–0–0 (15...Nh5 16.Kf2 0–0 17.Qe3–/+) 16.0–0–0 (16.0–0 Rhe8+=) 16...Nh5 (16...Ba3!? 17.Rhe1 Rhe8–/+) 17.Rhe1 Rde8 18.Qe3 Kb8 19.Kb1 Rhf8 20.Bb3 (20.Rd2 Ba3=) 20...Nf4= 21.Qd2 (21.Rd2 Qf6+=) 21...Bb4+= 22.c3 Bd6 23.Qc2 Qf6 24.a4 (24.Rf1 Qd8+=) 24...Kc8 (24...Ng2 25.Qg2 Qf3 26.Qh1–+) 25.Rd2 (better is 25.Rf1!?+=) 25...Ng2!–/+ 26.Rg2 Qf3 27.Qd2 (better is 27.Rge2!?–+) 27...Nc5 28.Bc2 Qd5 29.Rge2 Qf7 (29...Qc6 30.Qg5–+) 30.Qe3 (30.d4 Nd7–+) 30...Kb8 31.Ba3 (31.d4 Ne6 32.Bb3 Qf5 33.Bc2 Qh5–+) 31...Qd5 32.Qd2?! (32.Bc5 Bc5 (32...Qc5?! 33.Qc5 Bc5 34.Re5 Re5 35.Re5+=) 33.Qe4 Qd6–+) 32...Qc6 (32...Nb3 33.Bb3 Qb3 34.Bb2 Qa4 35.Qc2–+) 33.Qd1 (33.Bc5 Qc5 34.d4 Qb6 35.Ka2 Qa5–+) 33...Rf3 (better is 33...Ne4! 34.Re4 Ba3 35.c4–+) 34.Bb2 Ref8?? (better is 34...Rh3 35.d4 Nd7–+) 35.d4= ed4 36.cd4 Nd7?? (better is 36...Na4 37.Ba4 b5=) 37.Be4+– Qb6 38.Bf3 Rf3 (38...Ka7 39.Re3 Bb4+–) 39.Re3 (better is 39.Re8 Ka7 40.Qf3+–) 39...Rf4–/+ 40.Qb3 Bb4 (40...Ka7 41.Ka2–/+) 41.Re6 (41.Rf3!? Rf3 42.Re8 Ka7 43.Qf3+=) 41...Qa5–/+ 42.Re8 Ka7 43.Rc1 Bd6 44.d5? (better is 44.Bc3 Qf5 45.Ka1–+) 44...Nc5–+ 45.Qe3 Ra4 46.Rd8 (46.Rc3 Rb4 47.Rc2 Qb5–+) 46...Qb6 47.Qe8 (47.Rc3 Rb4 48.Rc2 Qb5–+) 47...Qb4 (47...Qb3 48.Rc5 Qa2 49.Kc2 Bc5 50.Qa4 Qa4 51.Kb1 Qd1 52.Ka2–+) 48.Qe3 (48.Rc3 Kb6 49.Qe3 Qb5–+) 48...Ra5 49.Qc3 (49.Rc2–+) 49...Qe4 50.Qc2 Qd5 51.Re8 (51.Qc4 Qf5 52.Qc2 Qh3 53.Qc3 Qf5 54.Qc2–+) 51...Qa2 0–1. Tagirov,Kajum K (1875) – Kudojarov,Mars (1890), Memorial Kopylov, 2009.

5.c3 Bc5

6.Qa4 A) 6...Qd7 7.Bb5 (7.Qb5 Qb5 8.Bb5 Nd7 9.d4 ed4 10.cd4+=) 7...c6 8.dc6 bc6 9.Be2 Ne7 10.d4=; B) 6...Kf7 7.Qb3 (7.Bc4 Bd6 8.Ba3 Ne7 9.d3 a6 10.Nf3+=; 7.Qb5 Qd6 8.d4 ed4 9.cd4 Bb4 10.Bc3+=; 7.Nf3 Ne7 8.d4 ed4 9.cd4 Bd6 10.Nc3+=; 7.Qc4 Qd6 8.d4 ed4 9.cd4 Bb4 10.Bc3+=) 7...Qd6 8.Na3 Kg6 9.Nb5 Qe7 10.Be2=; C) 6...Bd7 7.Qb3 (7.Qc4 Bb6 8.Ne2 Nh6 9.Ba3 Nf5 10.d4+=) 7...Bb6 8.a4 a5 9.Bc4 Ne7 10.Ba3=; D) 6...Kf8 7.Qc4 (7.Bc4 Ne7 8.Ba3 Ba3 9.Qa3 b5 10.Bb5+=; 7.Qb3 Nd7 8.Ne2 Nb6 9.c4 Qe7 10.Nbc3=) 7...Bb6 8.a4 c6 9.a5 Bc7 10.dc6=; E) 6...Nd7 7.Bc4 (7.Ba3 Ba3 8.Na3 Ne7 9.Bc4 Kf8 10.Nf3–/+; 7.Qg4 Qe7 8.Bb5 Kd8 9.Qa4 Nb6 10.Qb3–/+) 7...Nh6 8.Ba3 0–0 9.d3 a6 10.d6+=.

6.Bb5 c6 7.dc6 bc6 8.d4 cb5 9.Qf3 Qc7 10.dc5–/+.

6.c4 Ne7 (6...Nh6 7.Nf3 (7.Qh5 Nf7 8.Nc3 0–0 9.Ne4 Be7 10.a3+=; 7.d4 ed4 8.Bd4 Bd4 9.Qd4 0–0 10.Bd3+=; 7.Ne2 Nf5 8.Nbc3 0–0 9.Ne4 Be7 10.Qb3+=; 7.Nc3 0–0 8.Nf3 Re8 9.Ne4 Bd4 10.Qc2+=) 7...0–0 8.d4 ed4 9.Bd4 Bd4 10.Nd4+=; 6...Qe7 7.Be2 (7.Ne2 Na6 8.Nbc3 Nh6 9.Ne4 Nf5 10.Nc5+=; 7.Nc3 Nh6 8.Ne4 Bd4 9.Rb1 0–0 10.Nf3+=; 7.Qh5 g6 8.Qe2 Na6 9.Nc3 Bf5 10.Ne4+=; 7.Bd3 Nh6 8.Qh5 Kd8 9.Qe2 Bg4 10.f3+=) 7...Na6 8.d4 ed4 9.Nf3 d3 10.Qd3+=; 6...Bf5 7.Nf3 (7.d4 ed4 8.Bd4 Bd4 9.Qd4 Nh6 10.Qb2+=; 7.Qb3 Nd7 8.Nf3 Qe7 9.Be2 0–0–0 10.0–0=; 7.Ne2 Na6 8.Ng3 Bg6 9.Be2 c6 10.0–0+=) 7...Ne7 8.d4 ed4 9.Bd4 Nd7 10.Bd3=; 6...Nd7 7.d4 (7.Nf3 Qe7 8.Qc2 Nh6 9.Be2 Nb6 10.d4+=; 7.Ne2 Ne7 8.d4 Bb4 9.Nbc3 0–0 10.Qb3+=; 7.Be2 c6 8.dc6 bc6 9.Nc3 Bf2 10.Kf2–/+; 7.Qh5 g6 8.Qe2 Ne7 9.Nf3 0–0 10.d4+=) 7...ed4 8.Bd4 Bd4 9.Qd4 Qe7 10.Be2=; 6...Bd6 7.d4 (7.Qh5 g6 8.Qf3 c5 9.Nc3 Na6 10.a3=; 7.Bd3 Ne7 8.Nf3 Na6 9.Bc2 Nb4 10.d4+=; 7.Nf3 Nh6 8.d4 ed4 9.Nd4 0–0 10.Be2=) 7...ed4 8.Bd4 Qe7 9.Be2 c5 10.Bc3=) 7.Be2 (7.d4 ed4 8.Bd4 Bd4 9.Qd4 0–0 10.Bd3+=) 7...Bf5 (7...c6 8.d4 ed4 9.Nf3 cd5 10.Bd4–/+) 8.Nc3 (8.d4 ed4 9.Bd4 Bb4 10.Bc3=) 8...a6 (8...Na6 9.Nf3 Nb4 10.d3+=) 9.Qb3 (9.Nf3 0–0 10.d4=) 9...Nd7 10.h4 (10.Na4+=) 10...Bb6 11.Ba3 c6 12.h5 h6 13.Bf3 cd5 14.Nd5 Nd5 15.Bd5 Qc7 16.Nf3 Rb8 17.Nh4 Bh7 18.Ng6 Bg6 19.hg6 Bc5 20.Bc5 Nc5 21.Qe3 Ke7 22.0–0 Ne6 23.Rab1 Nf4 24.Qa3 Kd7 25.Qf3 h5 26.Bf7 Qc6 27.Qc6 bc6 28.g3 Nh3 29.Kg2 Ng5 30.f4 ef4 31.gf4 Nf7 (31...Nf7 32.gf7 Ke7–/+) 0–1. Neuhof,KE – Georgiew,T, corr ICCF EU/M/GT/055 (year?).

6.Bc4 A) 6...Bf5 7.Nf3 (7.d3 Nd7 8.Qb3 Bd6 9.Ne2 a6 10.Ng3+=; 7.Ba3 Ba3 8.Na3 Nd7 9.Qb3 Ne7 10.Qb7+=; 7.Qb3 Nd7 8.d4 Bd6 9.Nf3 ed4 10.Nd4+=; 7.d4 ed4 8.cd4 Bd6 9.Nf3 Ne7 10.Qb3+=) 7...Be4 8.Qe2 Bd5 9.Bd5 Qd5 10.d4=; B) 6...a6 7.Ne2 (7.Ba3 Ba3 8.Na3 b5 9.Bb3 Ne7 10.Qh5+=; 7.d3 Qd6 8.Qh5 Kd8 9.Qf7 Qd7 10.Qd7+=; 7.Nf3 Nd7 8.d4 ed4 9.Nd4 Ne5 10.Qh5+=; 7.Qf3 Ne7 8.Ba3 Ba3 9.Na3 Qd6 10.Nc2+=) 7...Nd7 8.d4 ed4 9.Nd4 Ne5 10.Qh5+=; C) 6...Qd6 7.d4 (7.Qh5 Kd8 8.Qf7 Ne7 9.d4 ed4 10.cd4+=; 7.Qa4 Nd7 8.d4 Qb6 9.Bb5 c6 10.dc5+=; 7.Qf3 Ne7 8.d3 0–0 9.Nd2 f5 10.Bb3+=) 7...ed4 8.cd4 Bb4 9.Bc3 Nd7 10.Qb3=; D) 6...Ne7 7.Qh5 (7.d3 Nd5 8.d4 Bb6 9.de5 Be6 10.ef6+=; 7.Qa4 Qd7 8.Bb5 c6 9.dc6 bc6 10.Bf1+=; 7.Qf3 Nd7 8.Qh5 g6 9.Qe2 Nb6 10.Bb3–/+; 7.d4 ed4 8.cd4 Bd6 9.Qh5 g6 10.Qf3+=) 7...g6 8.Qf3 Qd6 9.d3 0–0 10.Nd2=; E) 6...Nd7 7.Qb3 (7.Qh5 g6 8.Qe2 Ne7 9.d4 ed4 10.Nd2+=; 7.d4 ed4 8.cd4 Bb4 9.Bc3 Bd6 10.Qh5+=; 7.Qa4 a6 8.Nf3 e4 9.Ng1 Rb8 10.Be2+=; 7.Ba3 Ba3 8.Na3 Nb6 9.Qh5 g6 10.Qf3–/+) 7...Ne7 8.Ne2 Bd6 9.d4 0–0 10.0–0+=.

6.d4 ed4 7.cd4 Bb4 8.Bc3 Bc3 9.Nc3 Ne7 10.Nf3 Nd5 11.Nd5 Qd5 12.Be2 Nc6 13.0–0 Be6 14.Rc1 0–0–0 15.Bc4 Qc4 16.Rc4 Bc4 17.Qc2? (better is 17.Re1+=) 17...Bf1–+ 18.Kf1 Nd4 19.Nd4 Rd4 20.Qc3 Rhd8 21.g3 (21.Qh3 R8d7 22.Qh7 c5–+) 21...f5 22.Qc5 g6 23.Qa7 Rd1 24.Kg2 R1d2 (better is 24...c6!?–+) 25.Qa8–/+ Kd7 26.Qb7 Ke8 (better is 26...Kd6!?+=) 27.Qc7+= R2d7 28.Qc4 Rd4 (28...Rd5!?+=) 29.Qg8+/– Kd7? (better is 29...Ke7 30.Qh7 Kf6+/–) 30.Qh7+– Kc8 31.Qg6 Rd2 (31...R4d5 32.Qc6 Kb8 33.h4+–) 32.Qf5 R8d7 33.h4 (33.a4 R2d5 34.Qf8 Rd8+–) 33...Ra2 34.h5 Raa7 35.h6 Kb8 36.g4 Rf7 37.Qb5 Rab7 38.Qe8 Ka7 39.Qe3 Ka8 40.g5 Rbe7 (40...Rfe7 41.Qg3 Rh7 42.g6 Rh6 43.Qa3 Kb8 44.Qf8 Kc7 45.Qh6+–) 41.Qa3 (better is 41.g6 Re3 42.gf7 Rb3 43.f8Q Rb8+–) 41...Ra7 42.Qc5 Ra2 (42...Rac7 43.Qd5 Kb8 44.g6+–) 43.Kg3 (better is 43.Qd5 Kb8 44.Qf7 Ra7 45.Qf4 Kc8+–) 43...Rff2 (43...Rb7 44.g6 Ra6+–) 44.Qf2 Rf2 45.Kf2 (45.Kf2 Kb7 46.g6 Kc6 47.g7 Kd5 48.g8Q Kc6 49.Qe6 Kc5 50.h7 Kb4 51.Qb6 Kc3 52.h8Q Kc2 53.Qhb2 Kd3 54.Q6d4) 1–0. ourang – matokit1, internet, 2012.

6.Qh5 A) 6...Kf8 7.Qf3 (7.Bc4 Nd7 8.d6 g6 9.dc7 Qc7 10.Qe2+=; 7.c4 c6 8.Qf3 cd5 9.cd5 Nh6 10.Ne2+=; 7.d4 ed4 8.cd4 g6 9.Qf3 Bd6 10.Nc3=; 7.Bb5 g6 8.Qf3 Kg7 9.Ne2 Ne7 10.c4+=) 7...Ne7 8.c4 Nf5 9.Bd3 g6 10.Ne2=; B) 6...g6 7.Qf3 Nh6 8.Ba3 Bg4 9.Qe4 Ba3 10.Na3+=.

5.Nc3 Bc3

6.dc3 Ne7 7.Bc4 Qd6 8.a4 0–0?? (8...Bf5 9.Nf3 Be4 5.Nc3; better is 8...Bf5+=) 9.Ba3+– 1–0. DEFFM – GuestFDVK, freechess.org, 2018.

6.Bc3 Qd5–/+ 7.Nf3 Ne7 8.Bd3? 0–0?? 9.Nh4?? g6?? 10.Ng6?? hg6 11.Bg6 Ng6 12.Qh5 Kg7 13.h4 Qg2 14.Rf1 Bh3 15.Qe2 Qf1 16.Qf1 Bf1 (16...Bf1 17.Kf1 Rh8–+) 0–1. Nautiluschess – torti, ICS blitz, 2001.

5.Nc3 c6

6.dc6 Nc6 7.Nf3 Nge7 8.Bc4 Bc3 9.Bc3 Nd5 10.h3 Nc3–/+ 11.dc3 Bf5 12.Qd8 Rd8 13.Bb3 Ke7 14.Nh4 Bc8 15.Nf3 Rhe8 16.Ke2 Kf8 17.Rad1 b6 18.Rd8 Rd8 19.Rd1 Rd1 20.Kd1 Ne7 21.Ke2 Ng6 22.Nd2 Nf4 23.Kf1 g5 24.Ne4 Ke7 25.Ng3 h5 26.Ne2 Ba6 27.c4 f5 28.Nf4 gf4 29.Ke1 h4 30.Kd2 Kd6 31.Ke1 Kc5 32.Kd2 Bc4 33.Bc4 Kc4 34.f3 e4 35.fe4 fe4 36.a3 e3 (36...e3 37.Ke2 Kb5–+) 0–1. marnzell – LieutenantColumbo, ChessWorld.net, 2009.

6.Bc4 b5 7.Bb3= Ne7 8.dc6 Nbc6 9.Nb5+= Bf5 10.Nc3 Bc5 11.d3 Qd7 12.Nf3 Rd8 13.Qe2 h6 14.0–0+/– a6 15.Ne4 Bb6 16.Bc3 Nd5+/– 17.Bd5 Qd5 18.Rab1 Bc5 19.Nc5 Qc5 20.Qe1 0–0+= 21.Rb7 Rf7 22.Rb2 Rc7 23.Bd2 Nd4 24.Nd4+/– Qd4 25.Qb1 Qc5? 26.Be3+– Qc3 27.h3?? Rdc8 28.f3 Bd7 29.Rf2 Ba4 30.Re2+/– Rd7 31.f4 Bb5 32.fe5 fe5 33.Rb3 Qc7 34.c4 Bc6 35.Rf2 Rf7 36.Qb2 Rf2 37.Qf2 Rf8 38.Qg3 Kh8 39.Bc5 Rf5 40.Qe3 Bb7 41.Rb2 Qc6 42.Rf2 Qf6 43.Bb4 Kg8 44.Rf5 Qf5 45.g4 Qf4 46.Qf4+– ef4 47.d4 Be4 48.Kf2 Bb1 49.a4 Bc2 50.a5 g5 51.d5+– Bb3 52.d6 Ba4 53.c5 Bc6 54.Bc3 Kf7 55.Bd4 Kg6 56.Be5 Kf7 57.Bc3 Kg6 58.Bd4 Kf7 59.Be5 Kg6 60.h4 gh4 61.Bf4 Bd7 62.Kg2 Bg4 63.c6 (63.c6 Kf7 64.Be5+–) 1–0. Psion – Psion, 6 sec/Zug, 1988.

5.Nc3 Ne7

6.Bc4 Bc3 7.dc3 Qd6 8.Qh5 g6 9.Qf3=.

6.Bc4 Nd7 7.Bb3 Nb6 Increases the pressure on d5 8.Qf3 (8.Qh5 Ng6=) 8...Bc3 9.dc3 Qd6 (worse is 9...Nbd5 10.0–0–0 Be6 11.c4+=; worse is 9...Ned5 10.Rd1 Be6 11.c4+/–) 10.Ne2 0–0 (10...c6 11.dc6 Qc6 12.Qc6 Nc6 13.Ng3+=) 11.0–0 Kh8 (worse is 11...Nbd5 12.c4+–) 12.Rad1 (12.Ng3!?=) 12...a5+= 13.a4 Bd7 14.Ra1 Ned5 15.Rfd1 Qc6 (15...e4 16.Qe4 Rfe8 17.Qf3=) 16.Ba3 (16.Bd5!? Nd5 17.Qd5 (17.Rd5?! Bg4 18.Qg4 Qd5=) 17...Qd5 18.Rd5+/–) 16...Be6 17.Bf8 Rf8 18.Ng3 Nf4 19.Qc6 bc6 20.Be6 Ne6 21.Ne4 f5 22.Nd2 Kg8 (22...Nf4 23.Re1 e4 24.f3+=) 23.Nb3 (23.Re1!? e4 24.f3+/–) 23...Ra8+= 24.h3 Kf7 25.Re1 Kf6 26.f3 (26.g4 g5=) 26...f4 (26...c5 27.Nd2+=) 27.Nd2 Nc5 28.Ne4 Ne4 29.Re4 Nd5 30.Rae1 Ne3 31.Re2 Rb8 32.g3 g5 33.gf4 gf4 34.Kf2 Nd1 35.Ke1 Nc3–+ 36.Re5 Ne2 37.Re2 Rb4 38.Rd2 Ke6 39.Re2 Kf7 40.Rd2 Ke7 41.Rg2 Kf6 42.Rg4?? h5–+ 43.Rg8 Ra4 44.Kd2 Rd4 45.Ke2 c5 46.Rc8 Rd7 47.Ra8–/+ c4 48.Ra5 c3 49.Ra2? Ke5 50.Ra5–/+ Kf6 51.Rh5 Rd2–/+ 52.Ke1 Rc2 53.Rc5 Rh2 54.Rc3 Rh3 55.Kf2 Rh2 56.Kg1 Rh7 57.Rc6 Ke5 58.Kf2 Kd4 59.Rf6 Rh2 60.Kg1 Rh4 61.Rf7 Ke3 62.Rc7 Kf3 63.Rc3 (63.Rc3 Kg4 64.Kg2–+). orangutanb4 (2010) – ffn55 (1750), internet, 2011.

6.Bc4 Bf5 7.Rb1 Nd7=.

6.Bc4 Bf5 7.Nge2 Nd7=+ 8.Ng3 Bg6 9.0–0 c6 10.dc6+= Nc6 11.Nge4 Nc5 12.Nc5 Bc5 13.Na4 Bd6 14.Re1 Qd7 15.d3 Na5 16.Bb3 Nb3 17.ab3 Qc6 18.Qd2 0–0 19.Qc3 Rac8 20.Re2 Qd5 21.Qd2 Qc6 22.Qc3 Qb5 23.Qd2 Rfd8 24.Nc3 Qc6 25.Ne4 Bc7 26.Qc3 Qc3 27.Bc3 Bb6 28.Bb4 Bh5 29.Rd2 Rc6 30.Ba5 Ba5 31.Ra5 a6 32.Rc5 Kf7 33.Rc6 bc6 34.f3 a5 35.Kf2 Ke6 36.Nc5 Kd5 37.Nb7 Ra8 38.g4 Bg6 39.c4 Kd4–/+ 40.Ke2 c5 41.h4 h5 42.gh5 Bh5 43.Nd6 Kc3 44.Ne4 Kb4 45.Ra2? Kb3–+ 46.Ra1 Kb2 47.Rg1 Ra7 48.Nc5 Kc3 49.Ke3 Rc7 50.Ne4 Kc2 51.Rg2 Kc1 52.Ng3 Be8 53.Nf5 g5 54.hg5+/– Bd7 55.Nd6 Rc6 56.Ne4 f5 57.Nf6 Be6 58.g6 Bc4 59.dc4 Rc4 60.g7 Rc3 61.Kf2 Rc8 62.Rg5 e4 63.g8Q Rg8 64.Rg8 (64…ef3 65.Ra8+–) 1–0. Mephisto Mondial – SuperConstellation, 1994.

5.c4 Na6

6.a3 Bc5 A) 7.Nf3 A1) 7...Nh6 8.d4 ed4 9.Be2 Nf5 10.Nd4 0–0 11.0–0=; A2) 7...Ne7 8.d4 ed4 9.Nd4 0–0 10.Bd3 c6 11.Qc2=; A3) 7...e4 8.Ng5 (8.Nh4 Nh6 9.d4 Be7 10.Bc1 Nf7 11.g4+=; 8.Nd4 Qe7 9.Qh5 g6 10.Qe2 Qe5 11.Qe3=; 8.Qe2 Qe7 9.Nd4 Qe5 10.Qe3 Nh6 11.f4+=) 8...Bf5 9.Qh5 Bg6 10.Qe2 Qe7 11.Ne6=; A4) 7...Qe7 8.d4 ed4 9.Be2 Nh6 10.0–0 0–0 11.Nd4=; A5) 7...Bg4 8.Be2 (8.h3 Bf3 9.Qf3 Ne7 10.Be2 0–0 11.Nc3= ) 8...c6 9.d4 Bf3 10.Bf3 Qb6 11.Ra2=; B) 7.d4 ed4 (7...Bd4 8.Bd4 ed4 9.Qd4 Qe7 10.Qe3 Bf5 11.Ne2= ) 8.Bd4 (8.Nf3 Bg4 9.Nbd2 Qe7 10.Qe2 c6 11.dc6= ; 8.Be2 Ne7 9.Bd4 Bd4 10.Qd4 0–0 11.Nf3+=; 8.Ne2 Qe7 9.Bd4 Bf5 10.Nbc3 Nh6 11.Nb5–/+; 8.Qh5 g6 9.Qd1 Ne7 10.Bd4 Bd4 11.Qd4+=) 8...Ne7 (8...Qe7 9.Be2 Bd4 10.Qd4= Nc5 11.Qe3=) 9.Nf3 0–0 10.Be2 Re8 11.0–0=.

6.a3 Bd6 7.d4 Qe7 (7...ed4 8.Bd4 (8.Qh5 g6 9.Qe2 Kf7 10.Bd4 Nh6 11.Nd2–/+; 8.Bd3 Ne7 9.Bd4 Nf5 10.Bf5 Bf5 11.Nf3=; 8.Nf3 Ne7 9.Nd4 0–0 10.Be2 c6 11.dc6+=; 8.Be2 Ne7 9.Bd4 Nf5 10.Bc3 Nh4 11.g3+=) 8...Nc5 9.Qh5 g6 10.Qd1 Nh6 11.Nf3=) 8.Ne2 (8.Nf3 ed4 9.Be2 d3 10.Qd3 Nc5= 11.Qd1=; 8.de5 fe5 9.Qh5 Kd8 10.Bd3 Nc5 11.Bc2+=; 8.Be2 ed4 9.Nf3 d3 10.Qd3 Nc5 11.Qd1=; 8.Qh5 Kd8 9.Qe2 ed4 10.Bd4 Nc5 11.Nf3+=; 8.Qe2 ed4 9.Bd4 Nc5 10.Qe7 Ne7 11.Bc5=) 8...b6 (8...ed4 A) worse is 9.Qd4 A1) 9...Be5 10.Qd2 Nc5 11.Be5 Qe5–/+ (worse is 11...fe5 12.Nc1+=); A2) 9...Nc5 10.Qd1 Bf5 11.Bd4–/+; B) 9.Bd4 Nh6 10.Nbc3+= Nf5 11.Nb5+=) 9.g3 (9.de5 Be5 10.Be5 Qe5 11.Nbc3=) 9...Bd7 10.Bg2 ed4 (10...Nh6!?= 11.0–0=) 11.0–0+= (worse is 11.Qd4 Nc5 12.Qd1 Ba4–/+) 11...Nh6 12.Nd4 0–0 13.Nd2 Nc5 14.Re1 Qf7 15.Ne6 Rfe8 (15...Nd3 16.Nf8 Qf8 17.Qb3 Ne1 18.Re1=) 16.Nc5 (16.Ne4 Ne4 17.Re4 Re7=) 16...Bc5 17.Ne4 Bf8 (17...Bd6 18.Qf3+=) 18.Qd2 (18.Bf3 Bf5+=) 18...Nf5= 19.c5 (19.Qd3 Nd6=) 19...Rad8 (19...bc5 20.Rec1=) 20.Rad1 (20.Qc2 Nh6+=) 20...Ba4 (better is 20...bc5 21.Qa5 Rb8=) 21.Qf4?? (better is 21.Rc1+=) 21...Bd1–/+ 22.Qf5 (22.Rd1!? Nh6 23.Qh6 Re4 24.Qc1+=) 22...Bb3 (22...Bb3 23.Re3 Ba2–/+; 22...Rd5? 23.Qd5 Ba4 24.Qf7 Kf7 25.Rc1+–; 22...Qd5 23.Nf6 gf6 24.Bd5 Rd5 25.Qd5 Kg7 26.Qg5 Kf7 27.Qf6 Kg8 28.Re8 bc5 29.Qf8) 0–1. Roczniak,Jan – Mirowicz,J, corr Poland, 1984.

6.a3 Bd6 7.Nf3 A) 7...Nh6 8.d4 (8.Be2 e4 9.Nd4 0–0 10.0–0 Nc5 11.d3+= ) 8...ed4 9.Be2 0–0 10.0–0 Nf5 11.Nd4=; B) 7...Bg4 8.d4 (8.h3 Bh5 9.d4 ed4 10.Be2 Bf3 11.Bf3= ; 8.Be2 Qe7 9.d4 Bf3 10.Bf3 ed4 11.Be2=) 8...e4 9.h3 ef3 10.hg4 Qe7 11.Kd2=; C) 7...Qe7 8.d4 ed4 9.Be2 d3 10.Qd3 Nc5 11.Qd1=; D) 7...Ne7 8.Nc3 (8.Be2 0–0 9.d4 ed4 10.Nd4 c6 11.dc6+= ; 8.d4 ed4 9.Nd4 0–0 10.Be2 c6 11.dc6+=) 8...0–0 9.Be2 c5 10.0–0 Bf5 11.d3=; E) 7...e4 8.Nd4 (8.Nh4 Qe7 9.g3 Nc5 10.Ng2 Nh6 11.Be2–/+ ) 8...Nc5 9.Nb5 Bf5 10.Nd6 Qd6 11.Bd4=.

6.a3 Bd6 7.Qh5 A) 7...Kf8 8.Nc3 (8.d4 ed4 9.Bd4 Nh6 10.Bd3 Bg4 11.Qh4+= ) 8...Nc5 9.Nb5 Nh6 10.Nd6 Qd6 11.Bc3=; B) 7...g6 8.Qd1 (8.Qf3 Nh6 9.d4 ed4 10.Bd4 0–0 11.Ne2+= ; 8.Qe2 Ne7 9.Nf3 0–0 10.d4 ed4 11.Nd4+=) 8...Nh6 9.d4 ed4 10.Be2 0–0 11.Nf3=.

6.Bc3 A) 6...Bc3 A1) 7.dc3 Bf5 (7...Ne7 8.Qh5 g6 9.Qf3 0–0 10.Nd2 Bf5+=; 7...Nh6 8.Qh5 Nf7 9.Nf3 Nc5 10.Be2 g6+=; 7...Nc5 8.Nd2 Ne7 9.Nb3 Ne4 10.Qh5 g6+=; 7...Bd7 8.Qh5 g6 9.Qf3 Qe7 10.Nd2 0–0–0+=) 8.Bd3 Bd3 9.Qd3 Ne7 10.Na3 0–0+=; A2) 7.Nc3 Ne7 (7...Nh6 8.Nf3 0–0 9.Be2 Re8 10.0–0 Nf5=; 7...Qe7 8.Be2 Nc5 9.d4 ed4 10.Qd4 Bf5=; 7...Bf5 8.Nf3 Nh6 9.d4 0–0 10.de5 fe5=; 7...Kf7 8.d4 ed4 9.Qd4 Nh6 10.Nf3 Nf5=) 8.Nf3 0–0 9.d4 ed4 10.Nd4 c5=; B) 6...Qd6 B1) 7.d4 ed4 8.Qd4 Bf5 9.Ne2 Ne7 10.a3 Bc5+=; B2) 7.Bb4 Qb4 (7...Nb4 8.a3 Na6 9.d4 ed4 10.Qd4 Nh6+= ) 8.a3 Qa5 9.Nc3 Ne7 10.Qb1 0–0+=; B3) 7.Nf3 Ne7 (7...Bf5 8.a3 Bc3 9.Nc3 Nh6 10.d4 ed4= ; 7...Bg4 8.Be2 0–0–0 9.d4 Bf3 10.Bf3 ed4=; 7...Nh6 8.d4 ed4 9.Nd4 0–0 10.Be2 Re8=; 7...e4 8.Nd4 Ne7 9.Nb5 Qd7 10.Qc2 Bc3=) 8.a3 Bc5 9.d4 ed4 10.Nd4 0–0+=; B4) 7.a3 Bc5 (7...Bc3 8.Nc3 Nc5 9.d4 ed4 10.Qd4 Nh6= ) 8.Ne2 Bg4 9.d4 ed4 10.Bd4 Nh6=; C) 6...Bc5 C1) 7.Nf3 Ne7 (7...Qe7 8.Be2 e4 9.Nd4 Nh6 10.0–0 0–0= ; 7...Nh6 8.d4 ed4 9.Nd4 0–0 10.Be2 Re8=; 7...e4 8.Nd4 Qe7 9.Qh5 g6 10.Qe2 Nb4=; 7...Bg4 8.Be2 Nh6 9.0–0 0–0 10.d4 Bf3=) 8.d4 ed4 9.Nd4 0–0 10.Be2 c6+=; C2) 7.Ne2 Qe7 8.Ng3 Nh6 9.Be2 Nf5 10.Nf5 Bf5+=; C3) 7.Be2 Nh6 (7...Ne7 8.d4 ed4 9.Bd4 Bd4 10.Qd4 0–0= ; 7...c6 8.d4 ed4 9.Bd4 Bf5 10.Nc3 Ne7=; 7...Qe7 8.Nf3 e4 9.Nd4 Nh6 10.0–0 0–0=) 8.Nf3 e4 9.Nd4 c6 10.Nb3 cd5+=; C4) 7.d4 ed4 (7...Bd4 8.Bd4 ed4 9.Qd4 Ne7 10.Bd3 Nb4+= ) 8.Bd4 Bf5 9.Qh5 Bg6 10.Qe2 Ne7+=; C5) 7.Qh5 g6 8.Qe2 Ne7 9.f4 ef4 10.d4 Bb4=; D) 6...Kf7 D1) 7.a3 Bd6 (7...Bc5 8.d4 ed4 9.Bd4 Ne7 10.Nf3 c6+= ; 7...Bc3 8.Nc3 Nh6 9.Qh5 Kg8 10.Be2 Nf5+=) 8.d4 ed4 9.Bd4 Ne7 10.Nf3 Re8+=; D2) 7.Bb4 Nb4 8.a3 Na6 9.d4 ed4 10.Qd4 Nh6=; D3) 7.Be2 Ne7 (7...Nh6 8.Nf3 e4 9.Nd4 Re8 10.0–0 Kg8= ; 7...Bc3 8.Nc3 Ne7 9.Nf3 c5 10.0–0 Nf5=; 7...Bf5 8.Nf3 Bd6 9.0–0 Nb4 10.d4 Nc2+=; 7...c5 8.Bd3 Ne7 9.Qf3 Kg8 10.Ne2 Bc3=) 8.Nf3 e4 9.Nd4 c6 10.dc6 bc6=; D4) 7.d4 ed4 (7...Qe7 8.Be2 ed4 9.Qd4 Bf5 10.Kf1 Re8+= ; 7...Bc3 8.Nc3 ed4 9.Qd4 Nh6 10.Nf3 Nf5=; 7...Qe8 8.Ne2 ed4 9.Bb4 Nb4 10.a3 Na6=) 8.Qd4 Bc5 9.Qd1 Qe7 10.Be2 Bf5+=; D5) 7.Nf3 Nh6 (7...Bc3 8.Nc3 Ne7 9.Be2 c5 10.0–0 Re8= ; 7...Bf5 8.Nh4 Ne7 9.Nf5 Nf5 10.Bd3 Bc3=; 7...Ne7 8.d4 ed4 9.Nd4 Nf5 10.Nc2 Re8=; 7...Qe7 8.Be2 Nh6 9.0–0 Re8 10.d4 ed4=) 8.Bb4 Nb4 9.a3 Na6 10.d4 e4=; E) 6...Qe7 E1) 7.Bb4 Nb4 (7...Qb4 8.Nc3 Bf5 9.Nf3 0–0–0 10.Nh4 Bd7+= ) 8.a3 Na6 9.Ra2 Nh6 10.d4 0–0+=; E2) 7.Qc2 Nh6 (7...Bd7 8.Nf3 0–0–0 9.Be2 e4 10.Nd4 Bd6+= ; 7...Bd6 8.Be2 Nh6 9.Nf3 0–0 10.d3 Nb4+= ; 7...g6 8.Bd3 e4 9.Bf1 Bd6 10.Bd4 Nc5+=; 7...e4 8.Ne2 Bc3 9.Nec3 Nc5 10.Be2 Nd3+=) 8.Bd3 e4 9.Be2 0–0 10.d4 Nf5–/+; E3) 7.Nf3 Bf5 (7...Bd6 8.Be2 Nh6 9.0–0 0–0 10.d4 e4= ; 7...Nh6 8.Be2 e4 9.Nd4 0–0 10.0–0 Re8=; 7...Bd7 8.Be2 0–0–0 9.0–0 e4 10.Nd4 Bd6=; 7...Bg4 8.Be2 0–0–0 9.0–0 e4 10.Nd4 Bd7=) 8.Nh4 Bd7 9.Bb4 Nb4 10.Nc3 Nh6+=; E4) 7.a3 Bd6 (7...Bc5 8.Ra2 e4 9.Be2 Nh6 10.Bh5 g6+= ; 7...Bc3 8.Nc3 Nh6 9.Be2 0–0 10.Nf3 e4+=) 8.Qh5 g6 9.Qd1 Nc5 10.d3 Bd7–/+; E5) 7.Bd3 Bd6 (7...e4 8.Bc2 Bf5 9.Ne2 Nh6 10.0–0 0–0= ; 7...Bc5 8.Qh5 Qf7 9.Qf7 Kf7 10.Nf3 Bg4=; 7...Nh6 8.Ne2 0–0 9.0–0 Bc5 10.Bc2 Bg4=; 7...Bd7 8.Qh5 Kd8 9.Be4 Nh6 10.Qe2 Bg4+=) 8.Ne2 Nh6 9.0–0 0–0 10.Bc2 Nb4+=.

6.Bd3 Qd7 A) 7.Qh5 Qf7 (7...Kd8 8.a3 Bc5 9.Nc3 Ne7 10.Nf3 g6+=) 8.Qf7 Kf7 9.a3 Bd6 10.Bc2 Ne7+=; B) 7.Qc2 Ne7 (7...Qg4 8.a3 Bd6 9.g3 Ne7 10.h3 Qg5+=; 7...g6 8.Nf3 Ne7 9.0–0 Nc5 10.Be2 Qa4=; 7...g5 8.a3 Bc5 9.Ne2 c6 10.Nbc3 cd5+=) 8.a3 Bd6 9.Nf3 Nc5 10.Be2 Qf5+=; C) 7.Nf3 c6 (7...Nc5 8.Be2 Ne7 9.0–0 e4 10.Ne1 0–0=; 7...Ne7 8.a3 Bd6 9.Bc2 0–0 10.d4 ed4=; 7...Nh6 8.0–0 0–0 9.Bc2 Qg4 10.d4 e4=; 7...Bd6 8.0–0 Qg4 9.Ba3 Ba3 10.Na3 Ne7=) 8.Bc2 Qg4 9.dc6 Qc4 10.a3 Ba5+=; D) 7.Be4 Ne7 (7...Nc5 8.Qh5 Kd8 9.Bc2 Nh6 10.a3 Ba5+=; 7...Ba5 8.Bc3 Bb6 9.Qh5 Kd8 10.Nf3 Nc5+=) 8.a3 Ba5 9.Qh5 g6 10.Qh4 0–0+=; E) 7.a3 Ba5 (7...Bc5 8.Be4 Qg4 9.Qg4 Bg4 10.f3 Bd7=; 7...Bd6 8.Bc2 Ne7 9.d4 ed4 10.Nf3 0–0=; 7...Nc5 8.Qh5 Kd8 9.Bc2 Ba5 10.Ne2 Ne7=) 8.Qh5 Kd8 9.Nc3 Nc5 10.Bc2 Ne7=.

6.Bd3 Ne7 A) 7.a3 Ba5 (7...Bc5 8.Qc2 g6 9.Nf3 Bg4 10.Be4 Qd7+=; 7...Nc5 8.Bc2 Ba5 9.f4 ef4 10.Bc3 Bc3+=; 7...Bd6 8.Qh5 g6 9.Qe2 0–0 10.Nf3 Bg4+=) 8.f4 ef4 9.Qh5 g6 10.Qf3 Nc5+=; B) 7.Nc3 Bc5 (7...0–0 8.Nf3 Nc5 9.Bc2 Bg4 10.0–0 c6+=; 7...c6 8.Qh5 g6 9.Qf3 Nc5 10.Bb1 0–0+=; 7...Bd7 8.Nf3 c6 9.0–0 cd5 10.cd5 Nc5+=; 7...Nc5 8.Bb1 Bf5 9.d4 ed4 10.Qd4 c6+=) 8.Qb1 Nb4 9.Be4 f5 10.Bf3 Ng6+=; C) 7.Nf3+= Nc5 (7...c6 8.Qc2 Bc5 9.a3 cd5 10.cd5 Qb6+=; 7...Bg4 8.h3 Bh5 9.0–0 c6 10.dc6 bc6+=; 7...0–0 8.0–0 Bd6 9.Re1 Nb4 10.Be2 Bf5+=; 7...Qd6 8.Qc2 Bg4 9.Bh7 Bf3 10.gf3 Bc5+=) 8.Bc2 c6 9.a3 Ba5 10.dc6 Nc6+=; D) 7.f4 ef4 (7...Nc5 8.Bc2 ef4 9.a3 Ba5 10.Bc3 Bc3+=) 8.Qh5 g6 9.Qf3 Nc5 10.Be2 Qd6–/+; E) 7.Qh5 g6 8.Qe2 0–0 9.Nf3 Qd6 10.a3 Ba5=.

6.Bd3 g6 7.Qc2 (7.a3 Bd6= (7...Bc5 8.Nf3 c6 9.Qe2 Ne7 10.dc6 Nc6=; 7...Nc5 8.Bc2 Ba5 9.Nf3 c6 10.0–0 Qb6+=; 7...Be7 8.Bc2 c6 9.Nc3 cd5 10.Nd5 Be6=; 7...Bf8 8.Bc2 Bc5 9.d4 ed4 10.Ne2 Bg4=) 8.Bc2 Ne7 9.Nf3 c5 10.dc6 Nc6=; 7.Be2 Ne7 (7...Bf5 8.a3 Bc5 9.Nf3 e4 10.Nd4 Ne7+=; 7...Nc5 8.Nf3 c6 9.dc6 bc6 10.0–0 e4+=; 7...Bd7 8.a3 Ba5 9.Nf3 Qe7 10.0–0 e4=; 7...Rb8 8.a3 Ba5 9.Bc3 Bc3 10.Nc3 c5=) 8.a3 Ba5 9.Nf3 c6 10.dc6 Nc6=; 7.Bc2 Nh6 (7...Ne7 8.Nf3 c6 9.dc6 Nc6 10.0–0 Be6=; 7...Qe7 8.Ne2 Bg4 9.f3 Bd7 10.0–0 0–0–0=; 7...Rb8 8.Nf3 c6 9.a3 Ba5 10.Qe2 Bg4=; 7...Kf7 8.Nf3 Nh6 9.a3 Ba5 10.0–0 Re8+=) 8.Nf3 0–0 9.a3 Bc5 10.0–0 Bg4+=; 7.Ne2 Ne7 (7...Nh6 8.Bc2 0–0 9.0–0 Nf7 10.d4 Re8=; 7...Bg4 8.f3 Bd7 9.Be4 Nc5 10.0–0 Ne4=; 7...Nc5 8.Bc2 Bg4 9.0–0 e4 10.h3 Bf5+/–; 7...Qd6 8.Nbc3 Bg4 9.h3 Bd7 10.a3 Ba5=) 8.f4 Bd6 9.Nbc3 0–0 10.0–0 c6+=; 7.Nf3 c6 (7...Ne7 8.Bc2 c6 9.dc6 Nc6 10.0–0 Be6=; 7...Nh6 8.0–0 0–0 9.Bc2 Re8 10.a3 Bd6=; 7...Qd6 8.Be2 Bd7 9.a3 Ba5 10.Bc3 Bc3=; 7...Nc5 8.Be2 c6 9.dc6 bc6 10.0–0 e4+=) 8.Be4 cd5 9.Bd5 Ne7 10.Nc3 Bc3+=) 7...Ne7 (7...Nc5 8.a3 Ba5 9.Ne2 c6 10.Nbc3 Ne7+=; 7...Bc5 8.Be4 Ne7 9.Ne2 Nf5 10.0–0 0–0=; 7...Nh6 8.Nf3 Nc5 9.0–0 c6 10.a3 Ba5=; 7...Bd6 8.Be4 f5 9.Bf3 Nf6 10.d3 0–0+=) 8.f4 (8.a3 Bd6 9.Nf3 Nc5 10.0–0 0–0+=) 8...Nf5 (8...ef4 9.Bf6 0–0 10.Qb2+= Bd6+=) 9.fe5 fe5 10.Be5 (10.Nf3 0–0 11.Kd1 Bc5=) 10...Qe7 (10...0–0+=) 11.Qb2 (11.Nf3 Ne3 12.Bg6 Kd8=) 11...Nc5 12.Be2 Na4 13.Qb3 (13.d6!? Nd6 14.Qb4 Qe5 15.Nc3–/+) 13...Qe5–+ 14.Qa4 Bd7 (14...Kd8 15.Nc3 Bc3 16.Nf3 Ba1 17.Ne5 Be5 18.0–0–+) 15.Qb4–/+ Qa1 16.Nf3 Nd4 17.Nd4 Qd4 18.Qb7?? (better is 18.Qc3 Qc3 19.Nc3+=) 18...0–0–+ 19.Nc3 (19.Rf1 Rfb8 20.Qa8 Ra8–+) 19...Rab8 20.Qb8 (20.Qb3 Qf2 21.Kd1 Qg2–+) 20...Rb8 21.Rf1 Rb2 22.Rf3 Qd2 23.Kf2 Bg4 24.Rd3 Qf4 (24...Qf4 25.Rf3 Bf3 26.gf3 Qd4 27.Kg3 Qc3 28.Kh4 Re2 29.Kg3 Qe5 30.f4 Qe3 31.Kg4 Qg1 32.Kf3 Qg2; 24...Qd3 25.h4 Qc3 26.Kg1 Qe3 27.Kh2 Qf4 28.g3 Re2 29.Kg1 Qc1) 0–1. Mroz,Antoni – Wernikiewicz,Zbigniew, corr Poland, 1984.

6.Nf3 A) 6...Nc5 A1) 7.a3 Ba5 8.Be2 c6 9.dc6 bc6 10.0–0 Rb8+=; A2) 7.Bc3 Bc3 (7...a5 8.d4 ed4 9.Qd4 Nh6 10.Bb4 Qe7= ) 8.Nc3 Qe7 9.Be2 e4 10.Nd4 Qe5=; A3) 7.Be2 e4 (7...Ne7 8.0–0 e4 9.Ne1 0–0 10.d4 Na6= ; 7...Nh6 8.0–0 e4 9.a3 Ba5 10.Ne1 0–0=; 7...c6 8.dc6 bc6 9.0–0 e4 10.Nd4 Ne7=; 7...Bd7 8.0–0 Ba4 9.Qc1 e4 10.Ne1 Ne7=) 8.Nd4 Ne7 9.0–0 0–0 10.a3 Ba5= ; B) 6...e4 7.Nd4 Qe7 (7...Nc5 8.a3 Ba5 9.Nb3 Nb3 10.Qb3 Kf7= ; 7...Ne7 8.a3 Bd6 9.d3 ed3 10.Bd3 Nc5=; 7...Bd7 8.a3 Bd6 9.d3 Qe7 10.de4 Qe4=; 7...Qd6 8.Nc3 Qe7 9.Be2 Bc5 10.Nb3 Bd6+=) 8.Be2 Bc5 9.Qb3 Nh6 10.Qb5 Kd8=; C) 6...Bg4 C1) 7.h3 Bf3 (7...Bf5 8.a3 Bd6 9.d4 Qe7 10.Be2 ed4+= ; 7...Bh5 8.Be2 Qd7 9.a3 Ba5 10.0–0 0–0–0=; 7...Bd7 8.a3 Ba5 9.Bc3 Bc3 10.Nc3 Qe7=; 7...Bc8 8.a3 Bd6 9.d4 ed4 10.Bd4 Nc5=) 8.Qf3 Ne7 9.Be2 c6 10.dc6 Nc6= ; C2) 7.Be2 Qe7 (7...Nh6 8.a3 Bc5 9.d4 Bf3 10.Bf3 ed4= ; 7...Ne7 8.0–0 0–0 9.d4 e4 10.Nfd2 Bf5+=; 7...Qd7 8.a3 Ba5 9.0–0 0–0–0 10.d4 e4+=) 8.a3 Bd6 9.d4 Bf3 10.Bf3 ed4=; C3) 7.Qb3 Ne7 (7...Rb8 8.h3 Bf5 9.a3 Bd6 10.d4 e4= ; 7...Qd6 8.a3 Bc5 9.Be2 0–0–0 10.Nc3 Qb6=; 7...Qd7 8.c5 Bf3 9.gf3 Rb8 10.a3 Nc5+/– 1.19; 7...Qe7 8.a3 Bc5 9.Qb7 Rb8 10.Qa6 Rb2=) 8.h3 Bf3 9.Qf3 0–0 10.Be2 Bc5=; C4) 7.Qa4 Kf7 (7...Bd7 8.Qb3 Nh6 9.Be2 0–0 10.0–0 Nf5=; 7...Qd7 8.Qd7 Kd7 9.Be2 Kc8 10.a3 Ba5=) 8.Be2 Nh6 9.Qd1 Qd7 10.0–0 Rhe8=; C5) 7.a3 Bd6 (7...Be7 8.Be2 Qd6 9.d4 e4 10.Nfd2 Be2+= ; 7...Bc5 8.Be2 Nh6 9.0–0 0–0 10.d4 Bf3=; 7...Bf8 8.Be2 Bd6 9.d4 ed4 10.0–0 d3+=) 8.Be2 Qe7 9.d4 Bf3 10.Bf3 ed4=; D) 6...Bd7 D1) 7.Nc3 Nh6 (7...Qe7 8.a3 e4 9.Nd4 Bc5 10.Nb3 0–0–0= ; 7...Ne7 8.d4 ed4 9.Nd4 0–0 10.Bd3 Nc5=; 7...Nc5 8.a3 Ba5 9.Be2 Ne7 10.0–0 c6=; 7...Bg4 8.Be2 Qe7 9.0–0 0–0–0 10.d4 e4+=) 8.d4 e4 9.Nd2 0–0 10.Be2 Re8=; D2) 7.Be2 Qe7 (7...Ne7 8.a3 Ba5 9.0–0 e4 10.Nd4 Nc5= ; 7...Nh6 8.a3 Ba5 9.0–0 e4 10.Nd4 Nc5=; 7...e4 8.Nd4 Qe7 9.0–0 0–0–0 10.Nc2 Bc5=; 7...Nc5 8.0–0 Ba4 9.Qc1 e4 10.Ne1 Ne7=) 8.0–0 0–0–0 9.Qb3 e4 10.Nd4 Bc5=; D3) 7.Qb3 c6 (7...e4 8.Nd4 Bd6 9.Qe3 Qe7 10.Nc3 Be5= ; 7...Nh6 8.Be2 0–0 9.0–0 Nf5 10.d4 ed4=; 7...Ba5 8.Be2 Ne7 9.0–0 e4 10.Nd4 Nc5=; 7...Ne7 8.Be2 Ng6 9.0–0 0–0 10.a3 Nf4=) 8.a3 Ba5 9.Be2 Ne7 10.dc6 bc6+=; D4) 7.Bd3 Nc5 (7...Ne7 8.a3 Ba5 9.0–0 0–0 10.Qc2 h6= ; 7...Bd6 8.0–0 Ne7 9.Nc3 0–0 10.Re1 Nb4=; 7...Nh6 8.0–0 Nf7 9.Bc2 Nd6 10.Qe2 Qe7=; 7...Qe7 8.0–0 0–0–0 9.Bc2 g5 10.a3 Bd6=) 8.Bc2 e4 9.Ng5 Qe7 10.Qh5 g6=; D5) 7.a3 Bd6 (7...Ba5 8.Be2 Ne7 9.0–0 e4 10.Nd4 Nc5= ; 7...Be7 8.d4 e4 9.Nfd2 f5 10.c5 Rb8=; 7...Bc5 8.d4 ed4 9.Nd4 Nh6 10.Qh5 Nf7=) 8.d4 ed4 9.Nd4 Ne7 10.Qh5 Ng6=; E) 6...Ne7 E1) 7.Be2 0–0 (7...c6 8.dc6 Nc6 9.0–0 e4 10.Ne1 0–0= ; 7...e4 8.Nd4 0–0 9.0–0 c6 10.Qc2 Nc5=; 7...Ng6 8.a3 Be7 9.d4 e4 10.Nfd2 f5=; 7...c5 8.a3 Ba5 9.Qa4 Bd7 10.Qb3 Qc7=) 8.a3 Bd6 9.d4 ed4 10.Nd4 c6+=; E2) 7.Nc3 c6 (7...Bg4 8.Be2 Ng6 9.d4 Nf4 10.de5 fe5+= ; 7...0–0 8.Be2 c6 9.dc6 Nc6 10.0–0 Be6+=; 7...Bf5 8.d4 e4 9.Nh4 Bc8 10.f3 g5+=; 7...Ng6 8.d4 0–0 9.a3 ed4 10.Qd4 Bc5+=) 8.dc6 Nc6 9.Nd5 0–0 10.Nb4 Nab4+=; E3) 7.Qa4 c6 (7...Bd7 8.Qb3 Ng6 9.c5 Bc5 10.d4 Bb4–/+ ; 7...Kf7 8.Be2 Ng6 9.0–0 Nf4 10.Qd1 Re8+=; 7...Qd7 8.Qd7 Bd7 9.a3 Ba5 10.Bc3 Bc3+=) 8.dc6 Nc6 9.Nc3 Nc5 10.Qc2 e4–+; E4) 7.Qb3 c6 (7...Nf5 8.Be2 Bc5 9.Nc3 0–0 10.0–0 Nd4= ; 7...e4 8.Nd4 Bd6 9.Qe3 0–0 10.Qe4 Re8+=; 7...Qd7 8.a3 Ba5 9.Bc3 Nc5 10.Qc2 Bc3+=; 7...Rb8 8.Bc3 c5 9.Bb4 Nb4 10.a3 Na6+=) 8.a3 Ba5 9.dc6 bc6 10.Qe3 0–0–/+; E5) 7.a3 Bd6 (7...Ba5 8.Be2 c6 9.dc6 Nc6 10.0–0 0–0= ; 7...Bc5 8.d4 ed4 9.Bd4 0–0 10.Be2 Bd4=) 8.d4 ed4 9.Nd4 0–0 10.Be2 c6+=.

6.Qh5 g6 A) 7.Qd1 Bd7 (7...Bf5 8.Qb3 Rb8 9.a3 Bc5 10.Nf3 Nh6=; 7...Nc5 8.a3 Ba5 9.Nf3 Bg4 10.h3 Bf5+=; 7...Nh6 8.Be2 0–0 9.Nf3 Nf5 10.0–0 Re8=; 7...Kf7 8.a3 Bc5 9.d4 ed4 10.Be2 Nh6=) 8.a3 Ba5 9.Nf3 Nc5 10.Nc3 Qe7+=; B) 7.Qh4 Bf5 (7...Qd6 8.Nc3 Bf5 9.Nb5 Qc5 10.Be2 c6+=; 7...Nc5 8.Bc3 Bc3 9.Nc3 Bf5 10.d4 g5+=; 7...Qe7 8.Bd3 Qg7 9.a3 Bc5 10.Nf3 Qh6=; 7...Bd7 8.a3 Bc5 9.d4 Bd4 10.Bd4 ed4=) 8.a3 Ba5 9.Nf3 Nc5 10.Nc3 Qd7–/+; C) 7.Qe2 Ne7 (7...Qe7 8.Nf3 Nc5 9.Qe3 Na4 10.Ba3 Ba3=; 7...Bf5 8.g4 Bc2 9.Na3 Ba4 10.g5 Nc5=; 7...Nc5 8.Bc3 Bc3 9.Nc3 Ne7 10.f4 Nf5+=; 7...Kf7 8.Nf3 Kg7 9.a3 Ba5 10.Bc3 Bc3=) 8.Nf3 0–0 9.a3 Bc5 10.d4 ed4+=; D) 7.Qf3 Nh6 (7...Bc5 8.Qb3 Ne7 9.Nf3 Nf5 10.Bd3 Nd6+=; 7...Bf5 8.a3 Bc5 9.Ne2 Qe7 10.Ng3 Nh6+=; 7...Rb8 8.Nc3 Bf5 9.a3 Bc5 10.Ne4 c6=; 7...Bd7 8.a3 Bc5 9.Nc3 Qe7 10.Ne4 0–0–0+=) 8.c5 Rb8 9.Bb5 Kf7 10.Ba6 ba6+=.

5.c4 c5

6.a3 Ba5 7.Bd3 b6 (7...Ne7!?=) 8.Qh5+= Ke7 9.Nf3 Nh6 10.0–0 (10.Ne5 Qe8 11.Qe8 Re8+/–) 10...Bg4= 11.Qh4 Qf8? (better is 11...Bf3 12.gf3 Kd6+=) 12.Ne5+– g5? (12...Bf5 13.d6! Kd8 14.Bf5 Nf5+–) 13.Qg3 fe5 14.Qe5 Kd7 15.Qh8 Qh8 16.Bh8 Kd6 17.h3 Bh5 18.Bg7 Nf7 19.Bh7 Nd7 20.Nc3 Bc3 21.dc3 Be2 22.Rfe1 Bc4 23.Re6 Kd5 24.Re7 Nde5 25.Rd1 Kc6 26.Be4 Kb5 27.Be5 Ne5 28.Re5 Rf8 29.Rg5 Ka4 30.Rg6 Ka3 31.Ra1 Kb3 32.Ra7 Kc3 33.Rb6 Bb3 34.Rc7 c4 35.Bd5 Rf4 36.Bc4! Bc4 37.Rbc6 Kd3 38.Rc4! Rc4 39.Rc4 Kc4 40.h4 Kd5 41.g4 Ke5 42.h5 Kf6 43.f4 Kg7 44.g5 Kf7 45.f5 Kg7 46.h6 Kh7 47.Kg2 Kg8 48.Kg3 Kh7 ½–½. michalakmarek – prutis, internet, 2012.

6.Bd3 Ne7 7.Qh5 g6 8.Qh6 (8.Qf3 Nf5=) 8...Kf7 (8...Bf5 9.Qe3+=) 9.f4 Bf5 10.fe5? (better is 10.Be2 Nd7 11.fe5 Ne5 12.Be5 fe5 13.Nf3+=) 10...Bd3–+ 11.e6 (better is 11.a3 Ba5 12.Qh3–+) 11...Kg8?? (better is 11...Ke8 12.Qf4 Nf5–+) 12.Bf6+= Nf5 13.Qg5 (better is 13.Bd8 Nh6 14.a3 Bc4 15.e7=) 13...Qf8 14.Ne2 Qh6?? (better is 14...Ne3! 15.Bh8 Nc2 16.Kd1 Kh8=) 15.e7 (better is 15.Qh6!? Nh6 16.Rf1+/–) 15...Nd7+= 16.Qh6 Nh6 17.Bh8 Kh8 18.Nbc3 (18.a3 Ba5 19.Nf4 Bc4+=) 18...Bc4 (18...Nf5 19.a3 Ba5–/+) 19.0–0 (19.a3 Bc3 20.dc3 Bd5 21.0–0–0+/–) 19...Bc3 20.Nc3 Bf1 21.Rf1 Re8 22.d6 Nf5 23.Nb5 Kg7 24.g4 a6 25.Nc7 Nd6 26.Ne8 Ne8 27.g5 b5 28.Rf4 ½–½. Bommert,Christian – Ezzat,Tarik, Dortmund8, 2003.

5.c4 c6

6.Qb3 Bc5 7.Nc3 Nh6 8.Nf3 0–0 9.Be2 Nd7 10.0–0 b6 11.Ne4 cd5 12.cd5 a5 13.a4 Ba6 (13...Re8!?+=) 14.Ba6+/– (< 14.Nc5 Nc5 (14...Be2?! 15.Nd7 Qd7 16.Rfe1 Bf3 17.Qf3=) 15.Qd1 Qd5–/+) 14...Ra6 15.Qb5 Ra7 16.Nc5 (better is 16.d4!? ed4 17.Bd4+/–) 16...bc5= (< 16...Nc5 17.d4 ed4 18.Bd4+=) 17.Ba3 Qe7 (17...e4!? 18.Ne1 Qc7=) 18.d4+= Rb8 (18...cd4 19.Be7) 19.Qc4 Rc8? (better is 19...ed4!? 20.Rac1 Nf5=) 20.Rfc1 (better is 20.dc5!? Nf7 21.c6+–) 20...ed4 21.Nd4! Ne5 22.d6 Qf7? 23.Qf7+/– Nhf7 24.Bc5 Rb7 25.Ba3 Rcb8 26.Nb5 Nd8 27.Rc7 Ne6 28.Rb7 Rb7 29.Rc1 Nd7 30.Rc8 Kf7 31.Ra8 Nec5 32.Ra5 Na4 33.Ra4 Rb5 34.g3 Rd5 35.f4 f5 36.Ra7 Ke6 37.Ra8 Nf6 38.Ra7 Nd7+/– 39.Ra8 Nf6+= 40.h3 Ne4 41.Re8+/– Kd7 42.Re7 Kc8 43.Rg7 Rd1 44.Kg2 Rd2 45.Kf1 Rd3 46.Bb4 Ng3 47.Ke1 Ne4 48.Rh7 Rd4 49.d7 Rd7 50.Rd7 Kd7 51.h4 Nf6 52.Ke2 Ke6 53.Kd3 Nh5 54.Bd2 Kf7 55.Kd4 Kf6 56.Kd5 Ng3 57.Bc3 Kg6 58.Ke6 Ne2= 59.Be5 Kh5 60.Kf5 Kh4 ½–½. Sternik,Ryszard – Mephisto Exclusiv, Olsztyn, 1994.

6.Qb3 Bc5 7.Nf3 cd5 8.cd5 Ne7 9.Bc4 e4 (9...a6 10.d4 Bd4 11.Nd4 ed4 12.a4=) 10.Nd4= Bd4 11.Bd4 Nf5 12.Bb2 0–0 13.0–0 Nd7 14.Ba3 Re8 15.Nc3 Nd4 16.Qd1 Nb6 (16...Ne5 17.Be2 Ne2 18.Qe2–/+) 17.Bb3 Nb3 18.Qb3 Bf5 19.Nb5 Nd5 (better is 19...Bg6=+) 20.Nd6+/– Re5 21.Qb7 (21.d4!? ed3 22.f4+/–) 21...Bg6 (21...Be6 22.Rae1 Nf4 A) < 23.Re4 Bd5 24.Qa8 Qa8 (24...Ba8?! 25.Rf4 Bd5 26.Ra4–/+) 25.Rf4 Bg2–+; B) 23.Ne4=+) 22.Nc4 (22.Rfc1!?+=) 22...Rg5 23.Ne3 a5 24.Rab1 Nb4 (24...Bf7 25.Rb2=+) 25.h4 (better is 25.Bb4!? ab4 26.Qb4 Ra2 27.Qc4 Bf7 28.Qe4=) 25...Rb8 26.Qa7 (26.Qb8!? Rg2! 27.Kg2 Qb8 28.Rfc1=+) 26...Rgb5 27.Bb4 ab4 (27...Rb4?! 28.Rb4 ab4 29.Nd5=+) 28.Rb2?? (better is 28.Qa4–+) 28...Ra5 (29.Qb8 Qb8–+) 0–1. Sternik,Ryszard – Mephisto Exclusiv, Olsztyn, 1993.

6.Qb3 Na6

7.a3 Bc5 8.Nf3 Ne7 9.Nc3 0–0 10.Be2 Ng6 11.0–0 Nf4 12.Bd1 Rb8 13.Rc1 A) 13...Bb6 14.d4 (14.Na4 Ba5 15.Qe3 b5 16.cb5 cb5 17.Nc3–/+) 14...ed4 15.Na4 c5 16.Nb6 Qb6 17.Nd4+=; B) 13...Re8 14.Ne2 (14.Ne4 Bf5 15.Re1 Be4 16.Re4 Bf2 17.Kf2–+) 14...Ne2 15.Be2 Bg4 16.Rfe1 Nc7 17.Qc2+=; C) 13...Nd3 14.Ra1 (14.Rb1 Bf5 15.Nh4 Nf2 16.Nf5 Nd1 17.d4–/+; 14.Rc2 Bf5 15.Nh4 Nf2 16.Nf5 Nd1 17.d4–/+) 14...cd5 15.Nd5 e4 16.Ne1 Nb2 17.Qb2–/+; D) 13...Bg4 14.Ne4 (14.d4 Bf3 15.Bf3 Bd4 16.Rcd1 Nc5 17.Qc2+=; 14.h3 Bf5 15.Bc2 e4 16.Rb1 Bh3 17.Ne1–/+) 14...cd5 15.cd5 Bb6 16.d4 f5 17.Neg5=; E) 13...Bf5 14.Bc2 Qd7 15.h3 Bh3 16.gh3 Qh3 17.Ne1–+.

7.a3 Bc5 8.Nf3 Ne7 9.Nc3 0–0 10.Be2 Ng6 11.0–0 Nf4 12.Bd1 Rb8 13.d4 ed4 (13...Bd4 14.Nd4 ed4 15.Ne2 Ne2 16.Be2 c5 17.Bd3+=) 14.Ne2 Qd6 15.Nf4 Qf4 16.g3 Qd6 17.Nd4+=.

7.a3 Bc5 7.a3 Bc5 8.Nf3 Ne7 9.Nc3 0–0 10.Be2 Ng6 11.0–0 Nf4 12.Bd1 Rb8 13.Ne2 Ne2 (13...cd5 14.Nf4 ef4 15.d4 Be7 16.cd5 Kh8 17.Re1=) 14.Be2 e4 (14...cd5 15.d4 ed4 16.cd5 Bg4 17.Nd4=) 15.Nd4 Qd6 (15...Re8 16.d3= (16.Rfe1 Bd6 17.Rab1+=) 16...cd5 17.cd5+=) 16.Qa2 (16.d3 Re8= 17.de4=) 16...Nc7 (16...Rd8 17.Rfd1–/+ (17.Rae1–/+)) 17.dc6 bc6 (17...Bd4 18.c5 Qe6 A) 19.Bd4?! Qa2 (worse is 19...bc6 20.Bc4 Nd5 21.Rae1+/–) 20.Ra2 bc6=; B) 19.Bc4 bc6 20.Bd4+/– (worse is 20.Be6 Be6 21.Bd4 Ba2 22.Ra2 Ne6–/+)) 18.Nb3 Ne6 19.Nc5 ½–½. Plock,Joerg – Vettenburg,Luis, corr SOK–96–116, 1996.

7.a3 Bc5 8.Nf3 Ne7 9.Nc3 0–0 10.Be2 Ng6 11.0–0 Nf4 12.Bd1 cd5 A) 13.cd5 A1) 13...Rf7 14.Bc1 (14.Ne4 Bf5 15.Re1 Be4 16.Re4 Bf2 17.Kf2–/+; 14.d4 ed4 15.Ne2 Nd5 16.Bc2 Bg4 17.Be4+=; 14.Ne2 Nd5 15.Bc2 Bg4 16.d4 ed4 17.Ned4+=; 14.Bc2 Bg4 15.Nb5 Qd5 16.Qd5 Nd5 17.d4–/+) 14...Bf5 15.d4 ed4 16.Bf4 dc3 17.Qc3+=; A2) 13...b6 14.Qc4 (14.Bc2 Qd7 15.d6 Kh8 16.Be4 Rb8 17.g3–/+; 14.d4 Bd4 15.Nd4 ed4 16.Nb5 Nc5 17.Qf3–/+; 14.Bc1 Bb7 15.d4 ed4 16.Bf4 dc3 17.Qc3+=; 14.g3 Nh3 15.Kg2 Qd7 16.Be2 Rd8 17.Rad1+=) 14...Qd7 15.d4 Qg4 16.Ne1 Nh3 17.Kh1 Qd4=; A3) 13...Bb6 14.d4 (14.Na4 Ba5 15.d6 Kh8 16.d4 e4 17.Qe3–/+; 14.Bc2 Nc5 15.Qc4 Qd7 16.d6 Kh8 17.Nd5–/+; 14.Ne4 Bf5 15.d6 Kh8 16.Bc2 Rc8 17.Bc3–/+; 14.Qa2 Bf5 15.d4 ed4 16.Na4 d3 17.Bc1–/+) 14...ed4 15.Na4 Nc5 16.Nc5 Bc5 17.Bd4+=; A4) 13...Qd7 14.Bc1 (14.d4 ed4 15.Ne2 Nd5 16.Bc2 Qf7 17.Ned4+=; 14.Ne2 Nd5 15.Bc2 Qf7 16.d4 ed4 17.Ned4+=; 14.g3 Nd3 15.Be2 Nb2 16.Qb2 Nc7 17.Rfd1+=; 14.Ne4 Qd5 15.Qd5 Nd5 16.Bb3 Rd8 17.d4+=) 14...Rd8 15.d4 ed4 16.Bf4 dc3 17.Qc3=; A5) 13...Re8 14.Bc2 (14.Re1 Bf2 15.Kf2 Nc5 16.Qc2 Qb6 17.Kg3–/+; 14.d6 Kh8 15.Ne4 Bd6 16.d4 ed4 17.Nd6–/+; 14.Rb1 e4 15.Ne1 Bd6 16.Nb5 Nc5 17.Qc4–/+; 14.Qb5 Bf5 15.Be2 Qd6 16.Bc4 Nc7 17.Qb3–/+) 14...Qd7 15.Ne4 b6 16.d4 ed4 17.d6–/+; B) 13.Nd5 Nd5 14.cd5 Bd6 15.Bc2 Nc5 16.Qe3 e4 17.Nd4+=.

7.a3 Bc5 8.Nf3 Ne7 9.Nc3 0–0 10.Be2 Ng6 11.0–0 Nf4 12.Bd1 Qd7 A) 13.g3 A1) 13...Nd3 14.Be2 (14.Bc2 Nb2 15.Qb2 cd5 16.Nd5 Qg4 17.Qc3+=; 14.Qc2 Nb2 15.Qb2 Rb8 16.Bc2 Qg4 17.Bd1–/+; 14.Rb1 cd5 15.Be2 Nb2 16.cd5 b6 17.Rb2–/+) 14...Nb2 15.Qb2 Rd8 16.Rfd1 Bd4 17.Nd4+=; A2) 13...Ng6 14.Bc2 (14.Re1 Rd8 15.Ne4 cd5 16.cd5 Kh8 17.d4+=; 14.dc6 bc6 15.Ne4 Be7 16.Qc3 Rb8 17.d4+=; 14.Rb1 Rd8 15.Bc2 Qg4 16.dc6 bc6 17.Be4+=; 14.Qa4 Rb8 15.Ne4 Be7 16.Nc3 Qf5 17.d4+=) 14...Qg4 15.Ne4 cd5 16.cd5 Bb6 17.d4=; A3) 13...Nh3 14.Kg2 Re8 15.dc6 bc6 16.Qc2 Bb6 17.Ne4+=; B) 13.Ne4 B1) 13...Qf5 14.Re1 (14.Ng3 Qd3 15.dc6 bc6 16.Qa4 Bb6 17.Qc6–/+; 14.Qc2 cd5 15.cd5 b6 16.d6 Qg4 17.g3+=; 14.Bc2 Qg4 15.Ng3 cd5 16.cd5 Rd8 17.d4+=; 14.d4 Qe4 15.Bc2 Ne2 16.Kh1 Qg4 17.h3–/+) 14...cd5 15.cd5 Qg6 16.g3 Rd8 17.Rc1+=; B2) 13...Rd8 14.d4 (14.dc6 Qc6 15.Bc2 Be6 16.Rae1 Bb6 17.d3–/+; 14.Rc1 Qf7 15.d4 Qg6 16.Ng3 ed4 17.Nd4+=) 14...ed4 15.Nd4 cd5 16.cd5 Qd5 17.Qd5+=; B3) 13...cd5 14.cd5 Qd5 15.d4 ed4 16.Nd4 Rd8 17.Qd5+=; C) 13.Ne2 Ne2 14.Be2 e4 15.Nd4 Nc7 16.Qc2 cd5 17.cd5=.

7.a3 Bc5 8.Nf3 Ne7 9.Nc3 0–0 10.Be2 Ng6 11.0–0 Nf4 12.Bd1 Re8 A) 13.Re1 A1) 13...Bf2 14.Kf2 Nc5 15.Qa2 Ncd3 16.Kf1 Qb6 17.Re3=; A2) 13...Bb6 14.Na4 e4 15.Nd4 Nd3 16.Re3 Nac5 17.Nc5–/+; A3) 13...Rb8 14.Ne4 (14.Ne2 Bf2 15.Kf2 Nc5 16.Qe3 Nfd3 17.Kg1+=) 14...Bf5 15.Bc2 Bg4 16.Rac1 Bb6 17.c5+=; A4) 13...Re7 14.Bc2 (14.Ne4 cd5 15.cd5 Nd5 16.Be2 b6 17.Rac1+=; 14.Ne2 Bf2 15.Kf2 Nc5 16.Qc2 Nfd3 17.Kg1–/+) 14...Qd7 15.Ne2 Ne2 16.Re2 Nc7 17.d4+=; A5) 13...Nd3 14.Re2 (14.Rf1 Nb2 15.Qb2 e4 16.Ne1 Bd4 17.Nc2–/+) 14...Bd6 15.Ne4 Nac5 16.Nc5 Nc5 17.Qe3–/+; B) 13.Bc2 B1) 13...cd5 14.Nd5 Ne2 15.Kh1 e4 16.Rae1 ef3 17.Qf3+=; B2) 13...Rb8 14.Rfe1 (14.Rae1 Bg4 15.Ne2 Ne2 16.Re2 Qb6 17.Qb6+=; 14.g3 Qd7 15.Rae1 Qh3 16.Nh4 cd5 17.Nd5+=; 14.h3 Qd7 15.Ne4 cd5 16.cd5 Qd5 17.d4–/+) 14...Qd7 15.Ne2 cd5 16.cd5 Ne2 17.Re2+=; B3) 13...Qd7 14.g3 (14.dc6 bc6 15.Ne4 Rb8 16.Qa2 Ng2 17.Kh1–+; 14.Ne1 Bd4 15.dc6 bc6 16.Qa2 Rb8 17.Rb1–/+) 14...cd5 15.Nd5 Nd5 16.cd5 Bd6 17.Rfe1+=; C) 13.dc6 bc6 14.Qa4 (14.Qc2 Qd3 15.g3 Bh3 16.Re1 e4 17.Ne5–+; 14.Ne4 Rb8 15.Qa2 Qd3 16.Re1 Be6 17.Bc3–+) 14...Rb8 15.Bc1 e4 16.Ne1 Qd7 17.d4–/+; D) 13.g3 Nh3 (13...Nd3 14.Bc2 Nb2 15.Qb2 Rb8 16.Qb1 h6 17.Bg6+=) 14.Kg2 e4 15.Ng1 Ng1 16.Rg1 Qd7 17.Rf1–/+; E) 13.Ne2 Ne2 (13...cd5 14.Nf4 ef4 15.cd5+= Bd6 16.d4 Qa5 17.Bc3=) 14.Be2 e4 15.Ne1 cd5 16.cd5 Bd6 17.Rc1+=.

7.a3 Bc5 8.Nf3 Ne7 9.Nc3 0–0 10.Be2 Ng6 11.0–0 Nf4 12.Bd1 Rf7 A) 13.g3 Nd3 (13...Nh3 14.Kg2 cd5 15.Nd5 e4 16.Ng1 Ng1 17.Kg1+=) 14.Be2 (14.Bc2 Nb2 15.Qb2 Rb8 16.Qb1 g6 17.Be4–/+) 14...Nb2 15.Qb2 Re7 16.Rfd1 Bd4 17.Qc2+=; B) 13.Bc2 Qd7 14.g3 (14.Bd1 Qf5 15.Ne2 cd5 16.cd5 Nc7 17.Nf4+=; 14.Be4 Qg4 15.g3 Ne2 16.Ne2 Qe4 17.Rfe1–/+; 14.Ne4 cd5 15.cd5 Qd5 16.Qd5 Nd5 17.d4+=; 14.Ne1 Bd4 15.Qa2 Qg4 16.Bd1 Qg5 17.Ne4–/+) 14...cd5 15.Nd5 Nd5 16.cd5 Nc7 17.Be5+=; C) 13.Rc1 C1) 13...Nd3 14.Ra1 (14.Rb1 cd5 15.Nd5 e4 16.Ne1 Nb2 17.Rb2–/+) 14...cd5 15.Nd5 Nb2 16.Qb2 e4 17.Ne1–/+; C2) 13...Bg4 14.d4 (14.dc6 Nd3 15.Rb1 bc6 16.Qa4 Qb6 17.Ba1–/+; 14.h3 Bf5 15.Bc2 Nd3 16.Bd3 Bd3 17.Rfe1–/+; 14.Ne4 Bf5 15.d3 Be7 16.Be5 Be4 17.de4–/+) 14...Bf3 15.Bf3 Bd4 16.Rcd1 Nc5 17.Qc2+=; C3) 13...Rd7 14.Ne2 (14.Ne4 Rc7 15.Re1 cd5 16.cd5 Nd5 17.Be2=; 14.Bc2 Bd4 15.dc6 bc6 16.Rb1 Nc5 17.Qa2–/+) 14...Ne2 15.Be2 Qb6 16.Qb6 Bb6 17.d4=; C4) 13...Rc7 14.Ne2 Ne2 15.Be2 e4 16.Nd4 Bb6 17.Qg3=; C5) 13...Bf5 14.Bc2 Bc2 15.Rc2 Qd7 16.Ne4 Rd8 17.d4–/+; D) 13.Re1 D1) 13...Bf5 14.Nh4 (14.Be2 Rc8 15.dc6 bc6 16.Na4 Rb8 17.Qc3–+; 14.Ne4 Be4 15.Re4 Bf2 16.Kf2 Nc5 17.Qc2–+; 14.d4 Bd4 15.Nd4 Nc5 16.Nc6 bc6 17.Qa2–/+) 14...Bd3 15.Ne2 Be2 16.Be2 Qd7 17.Rad1+=; D2) 13...Bf2 14.Kf2 Nc5 15.Qa2 Ncd3 16.Kf1 Qb6 17.Re3=; D3) 13...Nd3 14.Rf1 cd5 15.Nd5 Nb2 16.Qb2 e4 17.Ne1–/+; E) 13.Ne2 Ne2 14.Be2 cd5 15.d4 ed4 16.cd5 Nc7 17.Nd4=.

5.c4 Qe7

6.Nf3 Bc5 A) 7.Nc3 A1) 7...Na6 8.Bd3 (8.Ne4 Bf5 9.Nc5 Nc5 10.Ba3 Nh6 11.Qe2= ; 8.Na4 Nh6 9.Nc5 Nc5 10.Ba3 Bf5 11.Qe2=; 8.d3 Bg4 9.Be2 Nh6 10.h3 Bf3 11.Bf3=; 8.Qb1 Bg4 9.Be2 Nh6 10.Ne4 0–0–0 11.Nc5=) 8...e4 9.0–0 Bf2 10.Rf2 ed3 11.Ne1+=; A2) 7...Nh6 8.Bd3 (8.Ne4 Bb6 9.Qa4 Bd7 10.Qa3 Qa3 11.Ba3= ; 8.Qa4 Nd7 9.Bd3 0–0 10.0–0 f5 11.Bc2+=; 8.Na4 Bd6 9.Be2 0–0 10.Qb3 e4 11.Nd4=; 8.Qe2 Nf5 9.Ne4 0–0 10.Nc5 Qc5 11.Qe4+=) 8...e4 9.0–0 Bf2 10.Rf2 ed3 11.Qb3+=; A3) 7...Bg4 8.Qb3 (8.Ne4 Nd7 9.Be2 Ba3 10.Ba3 Qa3 11.0–0= ; 8.Be2 Nd7 9.0–0 Nh6 10.Re1 Nb6 11.Na4=; 8.d3 Nh6 9.Be2 Nd7 10.0–0 0–0 11.Ne4=; 8.Bd3 e4 9.0–0 Bf3 10.gf3 Bf2 11.Rf2=) 8...Nd7 9.Be2 e4 10.Nd4 Be2 11.Nce2=; A4) 7...e4 8.Ng1 Nh6 9.Qe2 Bf5 10.f3 e3 11.de3=; A5) 7...Nd7 8.Qe2 (8.Ne4 Nh6 9.Be2 Bb6 10.0–0 f5 11.Nc3= ; 8.Qc2 Nh6 9.Ne4 Bb6 10.Be2 Nf5 11.0–0= ; 8.Be2 e4 9.Ng1 Nh6 10.Qc2 f5 11.Nh3=) 8...Nh6 9.d4 ed4 10.Qe7 Ke7 11.Nb5=; B) 7.Qe2 B1) 7...Bg4 8.h3 (8.d3 Na6 9.h3 Bh5 10.a3 0–0–0 11.Nbd2= ) 8...Bf3 9.Qf3 Nd7 10.Nc3 Nh6 11.Be2=; B2) 7...e4 8.Nd4 Nh6 9.d3 Nf5 10.Nf5 Bf5 11.de4=; B3) 7...Na6 8.d4 ed4 9.Nd4 Nb4 10.Qe7 Ne7 11.Na3=; C) 7.Be2 e4 8.Ng1 Nh6 9.d4 ed3 10.Qd3 0–0 11.Bd4–/+; D) 7.d3 D1) 7...Na6 8.Be2 (8.Nc3 Bg4 9.Be2 Nh6 10.h3 Bf3 11.Bf3= ) 8...Nh6 9.0–0 0–0 10.d4 ed4 11.Nd4=; D2) 7...Bg4 8.h3 (8.Be2 Nh6 9.h3 Bf3 10.Bf3 0–0 11.0–0= ; 8.Nc3 Nh6 9.Be2 Nd7 10.Qb3 Bb6 11.0–0= ; 8.Nbd2 c6 9.Be2 cd5 10.cd5 Nd7 11.0–0=) 8...Bd4 9.Qa4 Bd7 10.Qc2 Bb6 11.Be2=; D3) 7...Nh6 8.Nc3 (8.Qe2 Nf5 9.Nbd2 c6 10.g4 Nd4 11.Nd4+= ; 8.Be2 Bg4 9.h3 Bf3 10.Bf3 0–0 11.0–0= ; 8.Nbd2 Nf5 9.Qe2 c6 10.g4 Nd4 11.Nd4+=; 8.Qa4 Nd7 9.Be2 0–0 10.0–0 Nf5 11.Nbd2+=) 8...Nf5 9.Be2 0–0 10.0–0 c6 11.Re1=; E) 7.Qa4 E1) 7...Kf7 8.d3 (8.Qb3 Nh6 9.Be2 Nf5 10.0–0 e4 11.Ne1+= ; 8.Be2 e4 9.Ng1 Na6 10.Nc3 Nb4 11.Kf1+= ; 8.Qc2 e4 9.Nd4 Na6 10.a3 Nh6 11.Be2+=; 8.Nc3 e4 9.Ng1 Na6 10.a3 Nh6 11.Be2+=) 8...Qd6 9.Qb3 c6 10.d4 ed4 11.Bd4=; E2) 7...Nd7 8.Qc2 (8.d3 Nh6 9.Be2 0–0 10.0–0 Nb6 11.Qc2+= ; 8.Qa5 c6 9.dc6 bc6 10.Ba3 Rb8 11.Bc5+= ; 8.Nc3 e4 9.Ng1 Nh6 10.Qc2 0–0 11.Be2–/+; 8.d4 ed4 9.Kd1 c6 10.dc6 bc6 11.Bd3=) 8...Nh6 9.Be2 Nb6 10.d4 Bf5 11.Qb3=; E3) 7...Bd7 8.Qb3 Na6 9.Qb7 Rb8 10.Qa6 Rb2 11.Nc3=; E4) 7...Kd8 8.Be2 (8.Qb3 g5 9.h3 Nh6 10.Nc3 Nf5 11.Bd3= ; 8.Ba3 Na6 9.Be2 Ba3 10.Qa3 Nb4 11.Qc3= ; 8.Nc3 e4 9.Ng1 Na6 10.Qb3 Nh6 11.Na4+=; 8.d3 Qd6 9.Qb3 c6 10.d4 ed4 11.Bd4=) 8...Nh6 9.0–0 Nf5 10.Re1 g5 11.d4=; E5) 7...c6 8.Ba3 (8.Be2 e4 9.Ng1 Nh6 10.Nc3 0–0 11.dc6+= ; 8.Nc3 e4 9.Ng1 Nh6 10.dc6 bc6 11.Rb1+= ; 8.dc6 Nc6 9.Nc3 Bf5 10.Be2 Rd8 11.Nd5+=; 8.a3 e4 9.Ng1 Nh6 10.Nc3 0–0 11.Be2–/+) 8...Ba3 9.Na3 Nh6 10.Nc2 Nf5 11.Ne3+=; F) 7.Bd3+= F1) 7...Na6 8.Be4 (8.Nc3 e4 9.0–0 Bf2 10.Rf2 ed3 11.Ne1+= ; 8.0–0 Bg4 9.Be2 Nh6 10.d4 ed4 11.Re1=; 8.Bc2 Bg4 9.h3 Bh5 10.Qe2 0–0–0 11.Bf5=) 8...Bd7 9.0–0 0–0–0 10.d4 ed4 11.Re1+=; F2) 7...Nh6 8.Nc3 (8.0–0 0–0 9.Qc2 g6 10.Be2 Re8 11.Nc3= ) 8...e4 9.0–0 Bf2 10.Rf2 ed3 11.Qb3+=; F3) 7...Qd7 8.Bc2 (8.Be2 e4 9.Nd4 Qd6 10.Qc2 Qe7 11.0–0+= ; 8.0–0 Ne7 9.Be4 0–0 10.d4 ed4 11.Nd4+=; 8.Qc2 Ne7 9.Be4 Nf5 10.0–0 Na6 11.Rd1=; 8.Qe2 c6 9.Be4 cd5 10.Bd5 Qe7 11.0–0+=) 8...Qg4 9.d4 Bb4 10.Bc3 Bc3 11.Nc3+=; F4) 7...Bg4 8.0–0 (8.Be2 Nh6 9.h3 Bf3 10.Bf3 0–0 11.0–0= ; 8.Nc3 e4 9.0–0 Bf3 10.gf3 Bf2 11.Rf2= ; 8.Qe2 Nd7 9.h3 Bh5 10.Nc3 Nh6 11.g4=) 8...Nh6 9.h3 Bh5 10.Be2 0–0 11.d4=; F5) 7...e4 8.0–0 f5 9.Bc2 Nf6 10.d4 Bd6 11.Re1=.

6.Nf3 Bd6 A) 7.Nc3 A1) 7...Nh6 8.Ne4 (8.Qa4 Nd7 9.Nb5 0–0 10.Nd6 cd6 11.Be2+= ; 8.Bd3 e4 9.Ne4 f5 10.0–0 fe4 11.Be4–/+ ; 8.Qe2 Nf5 9.d4 ed4 10.Nb5 c5 11.dc6=) 8...0–0 9.Nd6 Qd6 10.Qc2 Bg4 11.Bd3=; A2) 7...Bg4 8.Qa4 (8.Qb3 Nd7 9.Ne4 Bc5 10.Be2 Nh6 11.Rb1= ; 8.Be2 Nd7 9.0–0 e4 10.Re1 0–0–0 11.Nb5= ; 8.Ne4 Nd7 9.Qb3 Nh6 10.Be2 0–0 11.0–0=; 8.Qe2 Na6 9.h3 Bh5 10.g4 Bg6 11.d4=) 8...Qd7 9.Qb3 c6 10.Ne4 Bf8 11.d4=; A3) 7...Bc5 8.Ne4 (8.Bd3 e4 9.0–0 f5 10.Bc2 Kd8 11.Na4+=; 8.Na4 Bb4 9.Be2 Nh6 10.0–0 0–0 11.Qb3=; 8.Qc2 Na6 9.a3 Bg4 10.Be2 Nh6 11.Ne4=) 8...Bb6 9.Qb3 f5 10.Ng3 f4 11.Ne4+=; A4) 7...e4 8.Nd4 (8.Ng1 Na6 9.Nb5 Bc5 10.Qh5 Kd8 11.a3+= ) 8...Be5 9.Nce2 Na6 10.Ng3 Nh6 11.Be2+= ; B) 7.Qe2 B1) 7...Bg4 8.h3 (8.Nc3 Bc5 9.h3 Bh5 10.g4 Bg6 11.d4= ; 8.d3 Na6 9.h3 Bb4 10.Nbd2 Bh5 11.g4=; 8.Qe4 Nh6 9.h3 Bh5 10.d4 Bf3 11.gf3+=) 8...Bh5 9.g4 Bg6 10.d4 ed4 11.Nd4=; B2) 7...Nd7 8.Nc3 (8.d4 ed4 9.Bd4 Ne5 10.Nbd2 Bg4 11.Rb1= ; 8.d3 Nb6 9.Nc3 Bg4 10.h3 Bf3 11.Qf3=; 8.Qe3 Nh6 9.d4 Bb4 10.Nbd2 e4 11.Ng1+=) 8...Nc5 9.d4 ed4 10.Qe7 Ne7 11.Nb5=; B3) 7...e4 8.Nd4 Na6 9.Nb5 Bf4 10.Ba3 Nb4 11.Bb4+=; B4) 7...c5 8.d3 (8.Nc3 Nh6 9.d3 0–0 10.Rb1 Nf5 11.Bc1+=; 8.dc6 Nc6 9.Nc3 Bg4 10.Ne4 Ba3 11.Ba3+=; 8.Na3 Nh6 9.Nb5 0–0 10.a3 Bd7 11.Nd6+=; 8.a3 Nh6 9.Nc3 0–0 10.Ne4 Nd7 11.Nd6+=) 8...Nh6 9.Bc1 Nf5 10.Nc3 Nd4 11.Nd4=; C) 7.Qa4 C1) 7...Kf7 8.Nc3 (8.Qb3 Na6 9.Be2 Nc5 10.Qe3 Nh6 11.d3+= ; 8.Be2 Nh6 9.Nc3 Na6 10.Nb5 Nc5 11.Nd6= ; 8.Qc2 e4 9.Nd4 Na6 10.Ne6 Be6 11.de6+=; 8.d3 Na6 9.Be2 Bd7 10.Qd1 c6 11.Nc3=) 8...e4 9.Nd4 Be5 10.Ba3 Qd7 11.Qd7=; C2) 7...Bd7 8.Qb3 b6 9.Be2 Nh6 10.0–0 e4 11.Nd4=; C3) 7...Kd8 8.Be2 (8.Nc3 Na6 9.Ne4 Nc5 10.Nc5 Bc5 11.Be2= ; 8.d3 Bd7 9.Qb3 Kc8 10.Nbd2 Na6 11.Rb1= ) 8...Bd7 9.Qb3 Kc8 10.d4 e4 11.Nfd2=; C4) 7...c6 8.Nc3 Nh6 9.Ne4 Bd7 10.Qb3 b6 11.Nd6+=; C5) 7...Nd7 8.Nc3 (8.Be2 Nh6 9.d4 e4 10.Ng1 e3 11.Qb3=; 8.Ba3 Nh6 9.Bd6 Qd6 10.Qa3 Nc5 11.d4+=; 8.d4 ed4 9.Kd1 Kf7 10.Bd4 Nc5 11.Qc2+=; 8.d3 Nh6 9.Be2 0–0 10.0–0 Nb6 11.Qb3+=) 8...Nh6 9.Nb5 0–0 10.Nd6 cd6 11.Be2=; D) 7.Be2 D1) 7...c5 8.Nc3 (8.0–0 Nh6 9.Re1 0–0 10.Nc3 Na6 11.d3= ; 8.d3 Nh6 9.0–0 Nd7 10.Nc3 0–0 11.Re1= ; 8.Qa4 Nd7 9.0–0 Nh6 10.Re1 0–0 11.Qc2=; 8.dc6 Nc6 9.d4 ed4 10.Nd4 Bg4 11.Kf1+=) 8...e4 9.Ng1 Nh6 10.d3 ed3 11.Qd3=; D2) 7...c6 8.Nc3 e4 9.Nd4 Be5 10.Nc2 Nh6 11.0–0=; D3) 7...Nh6 8.0–0 (8.Qb3 Nd7 9.d4 ed4 10.0–0 Nc5 11.Qd1= ; 8.Qa4 Nd7 9.d4 e4 10.Ng1 e3 11.Bc1+=; 8.Nc3 e4 9.Nd4 0–0 10.Ncb5 Bc5 11.Nb3=; 8.d3 0–0 9.0–0 Bg4 10.Re1 Nd7 11.Nd4=) 8...e4 9.Ne1 0–0 10.d4 f5 11.c5=; D4) 7...Na6 8.0–0 (8.d4 e4 9.Ng1 e3 10.Qb3 ef2 11.Kf2= ; 8.a3 e4 9.Nd4 Nc5 10.0–0 Bd7 11.d3=; 8.a4 e4 9.Nd4 Nb4 10.Nb5 Nd3 11.Bd3+=; 8.d3 Nh6 9.0–0 0–0 10.Re1 Qf7 11.d4=) 8...e4 9.Re1 Nh6 10.d4 Bb4 11.Nfd2+/–; D5) 7...e4 8.Nd4 Nh6 9.Qa4 Nd7 10.Ne6 Kf7 11.0–0=.

6.Nf3 Nd7 A) 7.Be2 A1) 7...Nb6 8.0–0 (8.Qb3 Bg4 9.0–0 e4 10.Nd4 Be2 11.Ne2= ; 8.Qc2 Nh6 9.0–0 Bf5 10.Qb3 a5 11.d4=; 8.h3 Bd7 9.0–0 Na4 10.Bc3 Nc3 11.Nc3=; 8.a3 e4 9.Nd4 Bc5 10.Nb3 Na4 11.Bd4=) 8...Nh6 9.a3 Bd6 10.d4 e4 11.Nfd2+=; A2) 7...Bd6 8.d4 (8.0–0 e4 9.Ne1 f5 10.Bh5 Kd8 11.d3= ; 8.Qc2 e4 9.Nd4 Nc5 10.0–0 Nh6 11.Nb5=) 8...e4 9.Nfd2 e3 10.Nb3 Bf4 11.g3=; A3) 7...a6 8.Nc3 (8.a3 Bd6 9.d4 e4 10.Nh4 Nf8 11.Bg4= ; 8.Bc3 Nb6 9.0–0 Bg4 10.d4 Bc3 11.Nc3+=; 8.Qc2 Nh6 9.a3 Bd6 10.d4 e4 11.Nfd2=; 8.0–0 Nh6 9.a3 Bd6 10.Re1 0–0 11.Nc3=) 8...Nb6 9.a3 Bc5 10.Ne4 Bf5 11.Nc5+=; A4) 7...Nh6 8.Nc3 (8.0–0 0–0 9.d4 e4 10.Nfd2 e3 11.Nb3= ; 8.a3 Bd6 9.d4 e4 10.Ng1 e3 11.fe3=; 8.Bc3 0–0 9.d4 e4 10.Nfd2 e3 11.Bb4=; 8.Qc2 0–0 9.0–0 Nb6 10.d4 e4 11.Ne1=) 8...0–0 9.0–0 Nb6 10.a3 Ba5 11.d4=; B) 7.a3 B1) 7...Bc5 8.d4 (8.Qe2 e4 9.Nd4 Nb6 10.Nb3 Na4 11.Bc1=) 8...Bd6 9.Be2 e4 10.Ng1 e3 11.fe3+=; B2) 7...Ba5 8.Be2 (8.Bc3 Bc3 9.Nc3 Nc5 10.Be2 e4 11.Nd4= ; 8.Qa4 Bb6 9.d3 Nh6 10.Be2 Nf5 11.0–0+= ; 8.Nc3 Nc5 9.Ne4 Bb6 10.Nc5 Qc5 11.Qe2=) 8...Nh6 9.0–0 0–0 10.d4 Nf5 11.Qc2+=; B3) 7...Bd6 8.d4 ed4 9.Be2 c5 10.dc6 bc6 11.Bd4=.

6.Nf3 Bf5 A) 7.a3 A1) 7...Bc5 8.Be2 (8.Qb3 Nd7 9.Be2 Nh6 10.0–0 0–0–0 11.Re1= ; 8.Qe2 Bg4 9.h3 Bh5 10.g4 Bg6 11.d4+=; 8.Nh4 Bd7 9.Be2 Na6 10.0–0 0–0–0 11.Nf3=) 8...Bd6 9.d4 e4 10.Nh4 Bd7 11.c5+=; A2) 7...Bd6 8.Be2 (8.Nh4 Bd7 9.Be2 g5 10.Nf3 g4 11.Ng1=; 8.Qa4 c6 9.Nc3 Nh6 10.Be2 0–0 11.d4=) 8...c5 9.Nh4 Nh6 10.Nf5 Nf5 11.Bg4=; B) 7.Qa4 B1) 7...Nd7 8.Be2 (8.Nh4 Nh6 9.Nf5 Nf5 10.Bd3 e4 11.Bc2+= ; 8.a3 Bc5 9.Be2 Nh6 10.0–0 0–0 11.Qb3+= ; 8.Bc3 Bc3 9.Nc3 Nh6 10.Be2 0–0 11.0–0=; 8.Nc3 Nh6 9.a3 Bc5 10.Nh4 0–0 11.Nf5+=) 8...Nh6 9.0–0 0–0 10.d4 Bd6 11.Re1=; B2) 7...Kd8 8.Be2 (8.a3 Bc5 9.Be2 Nd7 10.Qb3 Nh6 11.0–0= ; 8.Qb3 Nd7 9.a3 Bd6 10.Qe3 Nh6 11.d4+=; 8.Bc3 Na6 9.Be2 Bc3 10.Nc3 Nc5 11.Qb5+=) 8...Nd7 9.0–0 Nb6 10.Qb3 Bg4 11.Re1+=; B3) 7...Bd7 8.Qb3 (8.Qc2 Nh6 9.Qb3 Na6 10.a3 Bc5 11.Be2+= ) 8...e4 9.Nd4 b6 10.Be2 Bd6 11.d3+=; B4) 7...Kf7 8.Be2 Nd7 9.0–0 Nh6 10.d4 Bd6 11.Re1+=; B5) 7...c6 8.Nc3 Nh6 9.dc6 Nc6 10.Nd5 Qd6 11.Qb3=; C) 7.Qb3 C1) 7...Na6 8.a3 Bc5 9.Qb7 Rb8 10.Qa6 Rb2 11.Nc3=; C2) 7...c6 8.Be2 (8.a3 Bd6 9.Nh4 Bc8 10.Nc3 e4 11.g3+= ; 8.Nh4 Nh6 9.Nc3 Nd7 10.a3 Bc3 11.dc3+=; 8.Nc3 Nd7 9.Nh4 Nh6 10.dc6 bc6 11.Qa4=) 8...cd5 9.cd5 Na6 10.0–0 Rd8 11.d4=; C3) 7...b6 8.Be2 (8.Nc3 Nd7 9.Qa4 Nh6 10.Qc6 0–0 11.Qc7= ; 8.a3 Bd6 9.Be2 c5 10.Nh4 Bd7 11.0–0= ; 8.Qa4 Bd7 9.Qc2 Nh6 10.Nc3 0–0 11.a3=; 8.Nh4 Bg4 9.Bd3 e4 10.Be2 Be2 11.Ke2+=) 8...c6 9.Nc3 Nh6 10.0–0 Qd6 11.Rad1+=; C4) 7...Nd7 8.Nh4 (8.Qe3 Nh6 9.a3 Ng4 10.Qe2 Nc5 11.Qd1–+ ; 8.Bc3 Bc3 9.Nc3 Nc5 10.Qb5 Bd7 11.Qb1+= ; 8.Ba3 Ba3 9.Na3 Nc5 10.Qb5 Bd7 11.Qa5–/+; 8.a3 Bd6 9.Be2 Nc5 10.Qe3 Nh6 11.Nh4+=) 8...Bg4 9.h3 Nc5 10.Qb4 Nd3 11.Bd3 Qb4=; D) 7.Nh4 D1) 7...Bc8 8.Qh5 (8.a3 Bd6 9.Be2 Nh6 10.d4 ed4 11.Bd4= ; 8.Nf3 Bc5 9.Bd3 c6 10.dc6 Nc6 11.Be4= ; 8.Bd3 Nh6 9.Qh5 Qf7 10.Qf7 Nf7 11.a3+=; 8.Qc2 e4 9.Bd4 Na6 10.Qa4 Bd7 11.Qb3–/+) 8...Kd8 9.Be2 Nh6 10.0–0 Bc5 11.Nc3=; D2) 7...Bd7 8.Be2 (8.Qh5 g6 9.Qe2 Na6 10.a3 Bc5 11.Nf3= ; 8.Bd3 Nh6 9.0–0 Na6 10.Bg6 Kd8 11.Bc2+= ; 8.Bc3 Na6 9.Bb4 Qb4 10.Qh5 Kd8 11.Nc3=; 8.Nf3 Na6 9.Be2 e4 10.Nd4 0–0–0 11.0–0=) 8...Na6 9.Bh5 g6 10.Bg6 hg6 11.Ng6=; E) 7.Be2 E1) 7...Na6 8.a3 (8.0–0 0–0–0 9.a3 Ba5 10.d4 e4 11.Nfd2+= ; 8.Nc3 Nh6 9.a3 Bc3 10.Bc3 0–0 11.d4=) 8...Bd6 9.d4 ed4 10.Nd4 Bg4 11.Nc3+=; E2) 7...Nd7 8.a3 (8.0–0 0–0–0 9.d4 g5 10.a3 Ba5 11.Qa4+=; 8.Nh4 Nh6 9.0–0 0–0–0 10.d4 ed4 11.Nf5+=; 8.Nc3 Nh6 9.d4 0–0 10.0–0 Rfe8 11.Re1=; 8.Qa4 Nh6 9.0–0 0–0 10.d4 Bd6 11.Re1=) 8...Ba5 9.0–0 Nh6 10.Qa4 Bb6 11.d4+=; E3) 7...Nh6 8.Qb3 (8.0–0 0–0 9.Qb3 c5 10.a3 Ba5 11.Nc3=; 8.Nh4 Bc8 9.0–0 0–0 10.d4 Nd7 11.a3=; 8.a3 Bd6 9.d4 ed4 10.Nd4 0–0 11.Nd2=; 8.Nc3 0–0 9.0–0 Nd7 10.d4 Rfe8 11.Re1=) 8...Nd7 9.0–0 0–0–0 10.d4 Rhe8 11.c5+=; E4) 7...Kf7 8.0–0 (8.Qb3 Na6 9.0–0 Nh6 10.a3 Bd6 11.d4=; 8.a3 Bd6 9.Qb3 Nd7 10.d4 ed4 11.Nd4=; 8.Nc3 Nh6 9.0–0 Re8 10.Qb3 Na6 11.d6+=; 8.Nh4 Bd7 9.Qb3 Na6 10.0–0 Nh6 11.a3=) 8...Nh6 9.d4 e4 10.Nh4 Bc8 11.Qb3+=; E5) 7...c6 8.Nc3 (8.a3 Bd6 9.Nc3 c5 10.Nh4 Bd7 11.Bh5= ; 8.Bc3 Nh6 9.0–0 Bd6 10.dc6 Nc6 11.d4+=; 8.Nh4 Bd7 9.Nc3 Nh6 10.Qb3 Na6 11.0–0=) 8...Qd6 9.Qb3 Ne7 10.Nh4 Na6 11.Nf5=.

6.Nf3 Bg4 A) 7.a3 A1) 7...Bd6 8.Be2 (8.Qa4 Qd7 9.Qb3 c5 10.h3 Bf5 11.Nc3= ; 8.d3 Nh6 9.Be2 0–0 10.0–0 Nd7 11.Nbd2= ) 8...Nh6 9.0–0 0–0 10.d4 e4 11.Nfd2=; A2) 7...Bc5 8.Be2 Nh6 9.h3 Bf3 10.Bf3 Nd7 11.Nc3=; B) 7.Qa4 B1) 7...Bd7 8.Qb3 (8.Qc2 Nh6 9.Qb3 Na6 10.a3 Bc5 11.Be2+= ) 8...e4 9.Nd4 b6 10.Be2 Bd6 11.d3+=; B2) 7...Kd8 8.a3 (8.Be2 Nd7 9.0–0 Kc8 10.d6 Qd6 11.c5=; 8.Qb3 Nd7 9.h3 Bh5 10.Ba3 a5 11.Be2+=) 8...Bc5 9.Be2 Nh6 10.h3 Bd7 11.Qb3=; B3) 7...Nd7 8.a3 (8.Be2 Nh6 9.h3 Bh5 10.g4 Bg6 11.g5+= ; 8.Nh4 Nh6 9.h3 Bh5 10.Qc2 0–0–0 11.Nc3–/+) 8...Bc5 9.Be2 0–0–0 10.Nc3 e4 11.Nd4+=; C) 7.Qb3 C1) 7...c6 8.h3 (8.a3 Bc5 9.Be2 cd5 10.cd5 Nd7 11.0–0=; 8.Ba3 Ba3 9.Na3 b6 10.Rc1 Qc5 11.dc6+=; 8.Na3 Bd6 9.Rb1 Nh6 10.dc6 Nc6 11.Nc2+=; 8.dc6 Nc6 9.h3 Bh5 10.a3 Bc5 11.Be2+=) 8...Bh5 9.g4 Bf7 10.Nc3 cd5 11.Nd5=; C2) 7...Nd7 8.h3 (8.a3 Bd6 9.h3 Bh5 10.Be2 Nc5 11.Qb5+=; 8.Qe3 Nh6 9.h3 Bc5 10.Qb3 Bf5 11.Be2+=; 8.Bc3 a5 9.a3 Nc5 10.Qb2 Bc3 11.Qc3+=) 8...Bh5 9.a3 Bc5 10.Be2 0–0–0 11.d3=; D) 7.Be2 D1) 7...Nh6 8.h3 (8.a3 Bd6 9.Nc3 0–0 10.Ne4 Nd7 11.0–0= ; 8.0–0 0–0 9.d4 e4 10.Nfd2 f5 11.Bc1=; 8.Qb3 Nd7 9.0–0 0–0–0 10.h3 Bh5 11.Re1=; 8.Nc3 0–0 9.0–0 Nf5 10.Ne4 Nd6 11.Nd6=) 8...Bf5 9.a3 Bd6 10.d4 e4 11.Nh4=; D2) 7...Nd7 8.0–0 (8.h3 Bh5 9.Nc3 0–0–0 10.0–0 Nb6 11.d3= ; 8.Nc3 Nh6 9.0–0 Nb6 10.Qb3 a5 11.a3=; 8.a3 Bd6 9.Nh4 Be2 10.Qe2 Nh6 11.d4=; 8.Qa4 Nh6 9.h3 Bh5 10.g4 Bg6 11.g5+=) 8...0–0–0 9.d4 e4 10.Nfd2 Be2 11.Qe2=; D3) 7...Qc5 8.Qa4 (8.a3 Ba5 9.Qa4 Bd7 10.Qb3 Qb6 11.Qb6+= ; 8.Qb3 Qb6 9.Nc3 Na6 10.Na4 Qd6 11.a3+=) 8...Bd7 9.Qb3 Qb6 10.0–0 Bg4 11.Qa4+=; D4) 7...Qd6 8.Qb3 (8.a3 Bc5 9.d4 Bf3 10.dc5 Be2 11.cd6+=; 8.Nc3 Nd7 9.d4 0–0–0 10.0–0 Bc3 11.Bc3+=; 8.Qa4 Bd7 9.Qb3 Na6 10.0–0 e4 11.Nd4+=; 8.0–0 Nd7 9.d4 Nh6 10.a3 Ba5 11.Nc3+=) 8...Qb6 9.Nc3 Bc5 10.d4 Bf3 11.dc5+/–; D5) 7...Na6 8.0–0 (8.a3 Bd6 9.d4 Bf3 10.Bf3 ed4 11.Be2=; 8.h3 Bd7 9.0–0 0–0–0 10.Qb3 e4 11.Nd4=; 8.Nc3 Nh6 9.0–0 0–0 10.d4 e4 11.Nd2=) 8...0–0–0 9.d4 e4 10.Ne1 Be2 11.Qe2=.

6.Nf3 Nh6 7.a3 A) 7...Bd6 8.d3 (8.d4 ed4 9.Be2 c5 10.dc6 Nc6 11.Nd4+= ; 8.Nc3 e4 9.Nd4 0–0 10.Qc2 f5 11.Be2+=; 8.Be2 0–0 9.d3 Bg4 10.0–0 Nd7 11.h3=; 8.Qe2 0–0 9.Nc3 c5 10.Nb5 Bd7 11.Nd6+=) 8...0–0 9.Be2 Nd7 10.0–0 f5 11.Qc2= ; B) 7...Bc5 8.d4 Bd4 9.Nd4 ed4 10.Be2 c5 11.0–0+=.

6.Nf3 Nh6 7.Qb3 A) 7...Nf5 8.Be2 Bc5 9.d3 Nd7 10.0–0 0–0 11.Nc3=; B) 7...Bc5 8.Be2 (8.Ba3 Nd7 9.Be2 Nf5 10.d3 c6 11.dc6+= ) 8...Nf5 9.d3 Nd7 10.0–0 0–0 11.Nc3=; C) 7...a5 8.a3 (8.Nc3 Nd7 9.Qd1 Nc5 10.Be2 e4 11.Nd4+= ; 8.Be2 a4 9.Qd1 0–0 10.0–0 e4 11.Ne1+=; 8.Bc3 Na6 9.Bb4 ab4 10.a3 Nc5 11.Qb2–/+; 8.Ba3 Nf5 9.Qa4 Qd7 10.Qc2 Na6 11.Bd3+=) 8...Bc5 9.Be2 a4 10.Qc2 Bf5 11.Qd1+=; D) 7...Ng4 8.Be2 Na6 9.0–0 e4 10.Nd4 0–0 11.c5+=; E) 7...Nd7 8.Ba3 (8.Qe3 Ng4 9.Qe2 e4 10.Nh4 Nde5 11.d6–+ ) 8...a5 9.Qa4 0–0 10.Bb4 Qb4 11.Nc3+=.

6.Nf3 Nh6 7.Nc3 0–0 (7...Nf5 8.Bd3 (8.Qc2 Na6 9.Bd3 Qd7 10.Nb5 c6 11.dc6=; 8.Be2 e4 9.Ng1 0–0 10.a3 Bc5 11.Qb1+=; 8.a3 Bc5 9.Ne4 Bb6 10.Qc2 Nd4 11.Nd4=; 8.Ne4 0–0 9.a3 Ba5 10.c5 Nd7 11.Rc1=) 8...0–0 9.Qc2 g6 10.0–0 Na6 11.Rfe1=; 7...Nd7 8.Be2 (8.a3 Bc5 9.Ne4 Bb6 10.Qe2 0–0 11.Bc3+=; 8.Qe2 Nc5 9.0–0–0 Bc3 10.dc3 0–0 11.Kb1–/+; 8.Nb5 Nc5 9.Be2 e4 10.Nfd4 a6 11.Bc3+=) 8...Nf5 9.a3 Bc5 10.Ne4 Bb6 11.0–0=; 7...Bg4 8.Be2 (8.Qa4 Nd7 9.Be2 0–0 10.0–0 Nb6 11.Qb3+=; 8.a3 Bc3 9.Bc3 e4 10.Bb4 Qf7 11.h3+=; 8.d3 c6 9.h3 cd5 10.cd5 Bh5 11.a3+=; 8.Ne4 f5 9.Neg5 e4 10.Ne6 ef3 11.gf3=) 8...0–0 9.Qb3 e4 10.Nd4 Na6 11.d6=; 7...e4 8.Nd4 (8.Ng1 0–0 9.Qb3 Bc5 10.Na4 Na6 11.Rb1–/+) 8...0–0 9.Qb3 Rf7 10.Be2 Na6 11.0–0=) 8.Qc2 (8.Be2 e4 (8...Nf5+= 9.a3 Ba5 10.0–0 Bb6 11.Bd3=) 9.Nd4 Bd6 10.Qc2 Re8 11.Ncb5=; 8.Qb3 Bc5 9.Ne4 Na6 10.Be2 Bf5 11.Ng3=; 8.Qe2 Re8 9.a3 Bc5 10.Ne4 Bb6 11.a4+=; 8.Qb1 Bf5 9.Ne4 Nd7 10.Bd3 Nb6 11.a3+=) 8...Na6 (8...Re8 9.Be2 Nf5 10.a3 Ba5 11.Ne4+=) 9.0–0–0 (9.a3 Bf5 10.Ne4 (10.d3 Bc3 11.Bc3+=) 10...Bd6+= 11.Be2+=; 9.Bd3 e4 10.Ne4 f5 11.0–0–/+) 9...Bf5–/+ 10.Ne4 (10.Bd3 Bd3 11.Qd3 Rad8–/+) 10...c6 (10...Bc5 11.Nh4–/+) 11.dc6 bc6 12.Bd3 Rab8 13.Qa4 (better is 13.c5 Nc5 14.Nc5 Bc5 15.Bf5 Nf5 16.Rde1–+) 13...Be4 14.Be4 Nc5 (14...Nc5 15.Qc6 Ne4 16.Be5 fe5 17.Qe4 Qd7–+) 0–1. Roczniak,Jan – Borzynski, Poland (year?).

6.Nf3 Nh6 7.Bd3 A) 7...0–0 8.0–0 Bg4 9.Re1 Nd7 10.h3 Nc5 11.Bc2=; B) 7...Nd7 8.0–0 (8.a3 Bc5 9.0–0 Nb6 10.a4 a5 11.Be2+= ; 8.Bc3 Nc5 9.Bc2 Bc3 10.Nc3 Bg4 11.0–0=; 8.Be2 0–0 9.0–0 Nb6 10.d4 e4 11.Ne1=) 8...0–0 9.a3 Bd6 10.Re1 f5 11.Bc2=; C) 7...Na6 8.Be2 (8.a3 Bd6 9.0–0 Bg4 10.Re1 0–0–0 11.Bc2=; 8.Bc2 0–0 9.Qe2 Bg4 10.0–0 Rae8 11.a3+=; 8.0–0 Bg4 9.h3 Bh5 10.Be2 0–0 11.d4=) 8...0–0 9.0–0 Nf5 10.d4 e4 11.Ne1=; D) 7...Nf5 8.0–0 (8.Qc2 e4 9.Be4 Nd6 10.Qa4 Kd8 11.Qb4–/+ ; 8.Be4 Qc5 9.a3 Ba5 10.Qe2 Nd6 11.Bd3+=; 8.Qe2 Nd6 9.0–0 Na6 10.Re1 0–0 11.a3=) 8...0–0 9.Qc2 g6 10.Qb3 Na6 11.Bf5=; E) 7...Bg4= 8.0–0 Nd7 9.a3 Bd6 10.Be2 0–0 11.d4=.

6.Nf3 Nh6 7.Qe2 A) 7...Nf5 8.Nc3 (8.a3 Bc5 9.d3 c6 10.Nbd2 cd5 11.cd5+= ; 8.Bc3 Bc5 9.d3 c6 10.Nbd2 cd5 11.cd5+=; 8.Qe4 Na6 9.a3 Nc5 10.Qc2 Ba5 11.Be2–/+; 8.h3 e4 9.Nh2 Nd7 10.a3 Nc5 11.Qh5+=) 8...0–0 9.a3 Bc5 10.Na4 Bd6 11.Qe4+= ; B) 7...0–0 8.a3 (8.Nc3 Re8 9.a3 Bc5 10.Ne4 Na6 11.d3+= ; 8.Bc3 Bf5 9.a3 Bc3 10.Nc3 Nd7 11.d3+=; 8.h3 Re8 9.Nc3 Nf5 10.a3 Nd4 11.Nd4–/+) 8...Bd6 9.Nc3 Bg4 10.h3 Bf3 11.Qf3=; C) 7...Bf5 8.h3 (8.Nc3 Nd7 9.a3 Ba5 10.Ne4 Be4 11.Qe4–/+ ; 8.a3 Ba5 9.Nc3 Nd7 10.Ne4 Be4 11.Qe4–/+) 8...0–0 9.a3 Bd6 10.d4 e4 11.Nh4+=; D) 7...Bg4 8.h3 (8.a3 Bd6 9.h3 Bf3 10.Qf3 0–0 11.Nc3= ; 8.Bc3 Na6 9.h3 Bh5 10.a3 Bc3 11.Nc3+=; 8.Qe3 Nd7 9.h3 Bc5 10.Qb3 Bf3 11.Qf3+=; 8.Qe4 Nd7 9.a3 Nc5 10.Qc2 Ba5 11.Be2–/+) 8...Bh5 9.a3 Ba5 10.Bc3 Bc3 11.Nc3= ; E) 7...e4 8.Nd4 (8.Ng1 Bf5 9.Nc3 0–0 10.a3 Bc5 11.Nb5–/+ ) 8...0–0 9.a3 Bd6 10.Nb5 Bf4 11.N1c3+=.

6.Nf3 Nh6 7.Be2 A) 7...0–0 8.Qc2 (8.Qb3 a5 9.a3 Bc5 10.d4 ed4 11.Bd4+= ; 8.a3 Bd6 9.d3 Bg4 10.0–0 Nd7 11.Nbd2=; 8.Nc3 e4 9.Nd4 Bd6 10.Qc2 Re8 11.Ncb5=; 8.0–0 e4 9.Nd4 Qe5 10.Bc3 Bd6 11.g3=) 8...Na6 9.0–0 Re8 10.a3 Bd6 11.d3= ; B) 7...Nf5 8.Bd3 (8.a3 Bd6 9.0–0 c5 10.Bd3 0–0 11.Re1= ; 8.Nc3 e4 9.Ng1 0–0 10.a3 Bc5 11.Qb1+=; 8.0–0 0–0 9.Re1 Qd7 10.a3 Bd6 11.Nc3=) 8...0–0 9.0–0 Qd7 10.a3 Ba5 11.Qc2=; C) 7...Nd7 8.Qc2 (8.Nc3 0–0 9.0–0 Nb6 10.a3 Ba5 11.d4= ; 8.a3 Bd6 9.d4 e4 10.Ng1 e3 11.fe3=; 8.Bc3 0–0 9.d4 e4 10.Nfd2 Bc3 11.Nc3=; 8.0–0 0–0 9.d4 e4 10.Ne1 Nf7 11.Nc2=) 8...Nb6 9.0–0 Bf5 10.Qb3 0–0–0 11.d4= ; D) 7...Bd6 8.0–0 (8.Qb3 Nd7 9.d4 ed4 10.0–0 Nc5 11.Qd1= ; 8.Qa4 Nd7 9.d4 e4 10.Ng1 e3 11.Bc1+=; 8.Nc3 e4 9.Nd4 0–0 10.Qc2 Re8 11.Ncb5=; 8.d3 0–0 9.0–0 Bg4 10.Re1 Nd7 11.Nd4=) 8...e4 9.Ne1 0–0 10.d4 Nf5 11.Nc3= ; E) 7...e4 8.Nd4 0–0 9.0–0 Qe5 10.Bc3 Bd6 11.g3=.

6.Nc3 Nh6

7.a3 Bc5 A) 8.Bd3 A1) 8...Na6 9.Nf3 (9.Nge2 0–0 10.0–0 f5 11.Na4 Bd6 12.f4+= ; 9.Qc2 f5 10.Nh3 0–0 11.0–0 Ng4 12.Be2+= ; 9.Qb3 0–0 10.Qc2 e4 11.Be2 Bf5 12.Qb3–/+; 9.Qh5 Qf7 10.Qf7 Nf7 11.Nge2 Nd6 12.0–0+=) 9...e4 10.0–0 f5 11.Re1 0–0 12.Bb1=; A2) 8...Nf5 9.Nge2 (9.Qb1 g6 10.Nf3 Nd4 11.Nd4 Bd4 12.0–0= ; 9.Be4 Nd4 10.Qh5 Kd8 11.Nge2 f5 12.Bd3+= ; 9.Nf3 Nd4 10.Nd4 Bd4 11.Qh5 Qf7 12.Qf7=; 9.Ne4 Bd4 10.Bd4 Nd4 11.Ne2 f5 12.N4g3=) 9...Nd6 10.0–0 Bg4 11.h3 Bh5 12.Re1=; A3) 8...Bf5 9.Qb3 (9.Be4 0–0 10.Nf3 Nd7 11.Qc2 Be4 12.Ne4= ; 9.Qh5 g6 10.Qe2 Ng4 11.Nh3 Bd3 12.Qd3= ; 9.Bf5 Nf5 10.Qg4 Nd4 11.Qc8 Qd8 12.Qb7=; 9.Qc2 Bd3 10.Qd3 Nd7 11.Nge2 0–0 12.0–0+=) 9...Bd3 10.Qb7 Ng4 11.Nh3 0–0 12.Qa8+=; A4) 8...Nd7 9.Qe2 (9.Qc2 f5 10.Nh3 0–0 11.0–0 Nb6 12.a4+= ; 9.Qh5 Qf7 10.Qf7 Nf7 11.Ne4 Nd6 12.Nf3+= ; 9.Nge2 0–0 10.0–0 f5 11.Ng3 Nb6 12.Be2+=; 9.Ne4 Bd4 10.Bd4 ed4 11.Ne2 Ne5 12.Qb3+=) 9...0–0 10.Ne4 Qd8 11.Nf3 Bb6 12.Bc2+=; A5) 8...0–0 9.Qc2 (9.Qb3 e4 10.Bc2 Ng4 11.Nh3 Re8 12.Ne2+= ; 9.Nge2 f5 10.h3 Na6 11.0–0 Qh4 12.Qb3+= ; 9.Qb1 e4 10.Bc2 Ng4 11.Nd1 Ne5 12.Be5–/+; 9.Bc2 Ng4 10.Nh3 Bd4 11.Qf3 Nh6 12.Rb1+=) 9...e4 10.Be2 Re8 11.Bh5 Nf7 12.Nge2+=; B) 8.Na4 B1) 8...Na6 9.Be2 (9.Qh5 Kd8 10.Be2 Nf5 11.Nc5 Nc5 12.Ra2–/+ ; 9.Nc5 Nc5 10.Qh5 Kd8 11.Qd1 Re8 12.Be2+= ) 9...Bd6 10.d4 ed4 11.Nf3 d3 12.Qd3=; B2) 8...Nd7 9.Be2 (9.Qe2 Nf5 10.Nc5 Nc5 11.Bc3 Nb3 12.Bb4–/+ ; 9.Nc5 Nc5 10.Be2 e4 11.Bd4 Nf5 12.Bc5+= ; 9.Qc2 0–0 10.Be2 Bd6 11.Nf3 Re8 12.0–0+=; 9.Qh5 Nf7 10.Nf3 g6 11.Qh4 Nd6 12.d3=) 9...Bd6 10.d4 ed4 11.Nf3 Ne5 12.0–0=; B3) 8...Bd6 9.Qh5 (9.Nc3 0–0 10.Ne4 Bf5 11.Nd6 Qd6 12.d4+= ; 9.Ne2 Na6 10.Ng3 0–0 11.Ne4 Bd7 12.Qb3+= ; 9.Be2 Nf5 10.Nc3 0–0 11.Ne4 Nh4 12.g3+=; 9.Nf3 0–0 10.Be2 Nf5 11.Qb3 Rf7 12.d3+=) 9...Kd8 10.Nc3 Bc5 11.Bd3 e4 12.Bc2+=; C) 8.Ne4 Bd4 9.Bc3 (9.Qh5 Kd8 10.Bc3 Na6 11.Qe2 Nc5 12.Nf3–/+ ; 9.Bd4 ed4 10.Qe2 d3 11.Qe3 Ng4 12.Nf6–/+; 9.Qa4 Nd7 10.Rb1 0–0 11.Be2 f5 12.Nc3–/+; 9.d6 cd6 10.Bd4 ed4 11.Qe2 0–0 12.Ng3–/+) 9...Bf5 10.Ng3 Nd7 11.Nf3 Nc5 12.Nf5+=; D) 8.Qh5 D1) 8...Nf7 9.Bd3 (9.Ne4 Bd4 10.Bc3 f5 11.Ng3 0–0 12.Nf3+= ; 9.Nf3 e4 10.Nh4 0–0 11.Na4 Na6 12.Nf5+= ; 9.Na4 Bd4 10.Nf3 g6 11.Qh4 g5 12.Qh5+=; 9.Nge2 0–0 10.Ne4 Na6 11.Nc5 Nc5 12.Ng3+=) 9...g6 10.Qh4 Nd7 11.Nf3 Qd8 12.0–0=; D2) 8...Kd7 9.Bd3 (9.Na4 Bd4 10.Nf3 Kd6 11.Be2 Bb2 12.Nb2= ; 9.h3 Kd8 10.Bd3 e4 11.Bb1 Nd7 12.Nge2= ; 9.Be2 Kd8 10.Ne4 Bd4 11.Bd4 ed4 12.d3+=; 9.Nf3 Kd8 10.Be2 e4 11.Nh4 Bd7 12.Bd1+=) 9...Kd8 10.h3 e4 11.Bb1 Bf5 12.Nge2=; D3) 8...Kd8 9.Nge2 (9.Bd3+= e4 10.Bc2 Ng4 11.Nd1 g6 12.Qh4+= ; 9.Ne4 Bd4 10.Bc3 Bg4 11.Qh4 Bd7 12.Ne2+= ; 9.Qe2 Re8 10.Ne4 Bd4 11.d3 f5 12.Nc3+=; 9.d3 Bg4 10.Qh4 Bd7 11.Nf3 Nf5 12.Qe4+=) 9...Bg4 10.Qh4 Nd7 11.Ne4 Re8 12.N2c3+=; E) 8.Be2 E1) 8...0–0 9.d3 (9.Na4 Bd4 10.Nf3 Bb2 11.Nb2 e4 12.Nd4+= ; 9.Ne4 Bd4 10.Qb1 f5 11.Ng3 Bb2 12.Qb2+= ; 9.Nb5 Nf5 10.d4 Nd4 11.Nd4 ed4 12.Nf3+=; 9.Qc2 Nf5 10.Nf3 Nd4 11.Nd4 ed4 12.Ne4=) 9...Bf5 10.Nf3 Nd7 11.0–0 Rae8 12.d4=; E2) 8...Nf5 9.Ne4 (9.d3 Nh4 10.Bh5 g6 11.Bf3 0–0 12.Ne4+= ; 9.Bh5 g6 10.Bg4 h5 11.Bh3 g5 12.Bf5+=; 9.Qa4 Nd7 10.Ne4 0–0 11.Nf3 Bd4 12.Qc2+=; 9.Qb1 Nd4 10.Ne4 Bb6 11.a4 Na6 12.Ba3+=) 9...Bd4 10.Bd4 Nd4 11.Nf3 f5 12.Nc3=.

7.a3 Bd6

8.Nb5 A) 8...Nf5 9.Nd6 (9.Qh5 g6 10.Qe2 Bc5 11.Nf3 a6 12.d4+=) 9...Qd6 10.Qc2 0–0 11.Bd3 g6 12.Nf3=; B) 8...0–0 9.Be2 (9.Nd6 Qd6 10.d4 ed4 11.Qd4 Re8 12.Ne2+=; 9.Ne2 Bc5 10.d4 ed4 11.Bd4 Na6 12.Qd3+=; 9.d4 ed4 10.Qe2 Qd8 11.Nd6 cd6 12.Qd1+=) 9...Bc5 10.d4 ed4 11.Bd4 a6 12.Bc5=; C) 8...c5 9.Nd6 (9.Qh5 Nf7 10.Bd3 Nd7 11.Nd6 Qd6 12.Bc3=; 9.Bd3 0–0 10.Qc2 f5 11.Nd6 Qd6 12.Qc3=; 9.dc6 Nc6 10.Nd6 Qd6 11.Qh5 Nf7 12.Rc1+=; 9.Qe2 0–0 10.d4 cd4 11.Bd4 Bg4 12.f3+=) 9...Qd6 10.Qh5 Kd8 11.Be2 Bf5 12.Nf3=; D) 8...Nf7 9.Nd6 (9.Ne2 c5 10.Nec3 Bf5 11.Qf3 Bg6 12.Nd6=; 9.Be2 c5 10.Nd6 Qd6 11.Qc2 0–0 12.Nf3=; 9.Nf3 0–0 10.Nd6 Nd6 11.Be2 Bg4 12.d3=; 9.Qe2 0–0 10.Nd6 Qd6 11.Nf3 Bg4 12.Qe3=) 9...cd6 10.Nf3 0–0 11.Be2 Bg4 12.0–0=; E) 8...Bf5 9.Nd6 (9.Qh5 Bg6 10.Qe2 Nd7 11.d4 b6 12.Nd6=; 9.Be2 c5 10.Bh5 g6 11.d3 0–0 12.Be2=; 9.Qe2 0–0 10.d4 Qf7 11.Qf3 ed4 12.Bd4=; 9.Ne2 0–0 10.Nd6 Qd6 11.Qb3 Nd7 12.d4=) 9...Qd6 10.d4 Nd7 11.Nf3 0–0 12.Be2=.

8.Qc2 A) 8...Nd7 9.d3 (9.Nb5 Nc5 10.Nd6 cd6 11.d3 Bf5 12.Qd1+=; 9.Nf3 Nc5 10.d3 Bg4 11.Be2 0–0 12.0–0=; 9.Be2 Nc5 10.d3 0–0 11.Nf3 Bd7 12.0–0=; 9.Ne4 Nc5 10.d3 0–0 11.Nf3 c6 12.dc6=) 9...0–0 10.Nf3 Rd8 11.Be2 Nf5 12.0–0=; B) 8...Na6 9.d3 (9.Nb5 Bf5 10.Nd6 cd6 11.Qa4 Bd7 12.Qd1+=; 9.Nf3 0–0 10.Ne4 Nc5 11.d3 c6 12.dc6+=; 9.Be2 Nc5 10.d3 0–0 11.Nf3 f5 12.Nd2=; 9.Ne4 Nc5 10.Nc5 Bc5 11.Bd3 Qd6 12.Nf3+=) 9...0–0 10.Be2 Bf5 11.Nf3 Nf7 12.0–0=; C) 8...Nf5 9.Ne4 (9.Nb5 Bc5 10.Bd3 g6 11.Nf3 a6 12.Qa4=) 9...Nd4 10.Nd6 Qd6 11.Bd4 ed4 12.Bd3=; D) 8...0–0 9.Ne4 (9.Nf3 e4 10.Nd4 f5 11.Be2 Be5 12.Nb3=; 9.Be2 Bf5 10.Ne4 b6 11.Nf3 c6 12.dc6=; 9.Bd3 e4 10.Be2 Bf5 11.Nb5 Bc5 12.Qb3+=) 9...Nd7 10.Nf3 Nc5 11.d3 c6 12.dc6=.

8.Bd3 0–0 9.Nge2 (9.Ne4 Bf5 10.Ne2 Nd7 11.N2g3 Be4 12.Ne4=; 9.Nb5 Bc5 10.Ne2 a6 11.Nbc3 f5 12.h3–/+; 9.Qc2 e4 10.Be2 Bf5 11.Nb5 Bc5 12.Qb3+=; 9.Bc2 Nd7 10.Qe2 Nb6 11.Nf3 Re8 12.0–0+=) 9...Nd7 (9...f5 10.Ng3 Nd7 11.Qe2 Nb6 12.a4+=) 10.0–0 f5 (10...Nc5 11.Bc2 Bf5 12.Ng3=) 11.Nb5 e4 12.Bc2 (12.Nd6=) 12...Bh2 13.Kh2 Qh4 14.Kg1 Ng4 15.Re1 Qf2 (15...f4 16.Nf4 Qf2 17.Kh1 Rf4 18.Qf3 ef3 19.Re8 Rf8 20.Rf8 Kf8 21.Bg7 Kg7 22.Nc7 fg2) 16.Kh1 Ndf6 (16...Qh4 17.Kg1 f4 18.g3 Qh2 19.Kf1 Qf2) 17.Bd4 (17.Be5 Qh4 18.Kg1–+) 17...Qh4+= 18.Kg1 Qh2 (better is 18...f4 19.Nf4 Qh2 20.Kf1–+) 19.Kf1 Qh1 20.Bg1 (20.Ng1 Nh2 21.Kf2 Nfg4 22.Qg4 fg4 23.Ke3 Qg2 24.Be4 Qg3 25.Ke2 Nf3–+) 20...Nh2 21.Kf2 Nfg4 22.Kg3 g5 (22...g5 23.Be4 f4 24.Nf4 gf4 25.Kh3 Nf1 26.Bh2 Qh2; 22...Nf3 23.gf3 Qf3 24.Kh4 Nf2 25.Ned4 Qh3 26.Kg5 Qh6) 0–1. Grund,Karl – Sadomskij,AM, corr ICCF EU/M/GT/098 (year?).

8.Bd3 a6 9.Qh5 (9.Ne4 0–0 10.Qb3 b6 11.Nf3 Bg4 12.Bc2=; 9.Nge2 0–0 10.Ne4 Nd7 11.Nd6 Qd6 12.Qc2=; 9.Qc2 e4 10.Ne4 f5 11.c5 fe4 12.Qa4=; 9.Qe2 Bg4 10.f3 Bd7 11.Ne4 0–0 12.Rc1=) 9...Qf7 10.Qf7 Nf7 11.Ne4 Be7 12.Be2=.

8.Bd3 Na6 9.Ne4 (9.Qh5 Qf7 10.Qf7 Nf7 11.Nb5 c6 12.dc6+=; 9.Nb5 Bc5 10.Qh5 Nf7 11.Rb1 Nb8 12.Nf3+=; 9.Qb1 Nc5 10.Bc2 e4 11.Nb5 Nd3 12.Bd3+=; 9.Qe2 Nc5 10.Bc2 Bf5 11.Bf5 Nf5 12.Ne4+=) 9...0–0 10.Qc2 f5 11.Nd6 cd6 12.Be2+=.

8.Bd3 Nd7 9.Nge2 (9.Nb5 0–0 10.Ne2 Nc5 11.Bc2 Bf5 12.Nd6=; 9.Qh5 Kd8 10.Qe2 Nc5 11.Bc2 Re8 12.Ne4+=; 9.Bb1 0–0 10.Ne4 Bc5 11.Nf3 Nb6 12.0–0+=; 9.Ne4 0–0 10.Nd6 Qd6 11.Qc2 f5 12.Be2=) 9...0–0 10.0–0 f5 11.Nb5 c6 12.Nd6=.

8.Bd3 Nf5 9.Ne4 (9.Qb1 g6 10.Nf3 Na6 11.Ne4 Nc5 12.0–0=; 9.Nf3 Nd4 10.Nd4 ed4 11.Ne2 c5 12.dc6=; 9.Nge2 Na6 10.0–0 0–0 11.Qc2 g6 12.Ne4=; 9.Qa4 Kf7 10.Ne4 Nh4 11.Nd6 cd6 12.Bf1=) 9...0–0 10.Qb1 g6 11.Nf3 Na6 12.0–0=.

8.Ne4 A) 8...Nf5 9.Nf3 (9.Nd6 Qd6 10.Qc2 0–0 11.Bd3 g6 12.Nf3=; 9.Rc1 Na6 10.Nd6 Qd6 11.Qh5 g6 12.Qd1+=; 9.Bd3 0–0 10.Qb1 g6 11.Nf3 Na6 12.0–0=; 9.Qh5 g6 10.Qe2 0–0 11.Nf3 c5 12.Nd6=) 9...0–0 10.Bd3 c5 11.0–0 Rd8 12.Qc2=; B) 8...Bf5 9.Nd6 (9.Qh5 Bg6 10.Qf3 0–0 11.Nd6 cd6 12.Be2+=; 9.Bd3 0–0 10.Ne2 Nd7 11.N2g3 Bg6 12.0–0=) 9...Qd6 10.d4 Nd7 11.Nf3 0–0 12.Be2=; C) 8...Nd7 9.Nf3 (9.Qh5 Kd8 10.Nd6 Qd6 11.d4 Qb6 12.0–0–0+=; 9.Nd6 Qd6 10.Qh5 Kd8 11.d4 Qb6 12.0–0–0+=; 9.Be2 Nf5 10.Nf3 0–0 11.0–0 Re8 12.d4=; 9.Qe2 0–0 10.Nf3 Re8 11.d3 Nc5 12.Ra2+=) 9...Nf5 10.Be2 0–0 11.d4 Re8 12.0–0=; D) 8...Nf7 9.Bd3 (9.Qc2 Nd7 10.Nd6 cd6 11.d4 0–0 12.Bd3=; 9.Nd6 Nd6 10.Qh5 Kd8 11.Be2 Nf5 12.Bd3=; 9.Rc1 Na6 10.Nd6 Qd6 11.d4 0–0 12.Nf3=; 9.Qe2 c5 10.Qh5 0–0 11.Be2 Rd8 12.Nf3=) 9...Nd7 10.Qc2 Bc5 11.Ne2 Bb6 12.N2g3=; E) 8...0–0 9.Be2 (9.Nf3 c6 10.Qb3 Nf7 11.Nd6 Qd6 12.d4=; 9.Nd6 Qd6 10.d4 ed4 11.Qd4 Re8 12.Ne2+=; 9.Qc2 Na6 10.Bd3 f5 11.Nd6 cd6 12.Be2+=; 9.Qf3 Rd8 10.Nd6 Rd6 11.c5 Rd8 12.Rc1=) 9...c5 10.Nf3 Nd7 11.0–0 Nb6 12.Re1=.

8.Nf3 e4 9.Nd4 (9.Ng1 0–0 10.Be2 Nd7 11.Nb5 Be5 12.Be5–/+) 9...0–0 10.Qc2 f5 11.Be2 Be5 12.Nb3=.

8.Qh5 A) 8...Nf7 9.Bd3 (9.Be2 0–0 10.Ne4 c6 11.dc6 Nc6 12.Nf3=; 9.Nf3 e4 10.Nd4 0–0 11.Be2 Ng5 12.h4=; 9.Ne4 c6 10.Ne2 cd5 11.cd5 0–0 12.d4+=; 9.Nh3 0–0 10.Ne4 c6 11.Bd3 f5 12.Nd6+=) 9...e4 10.Ne4 f5 11.Bg7 Be5 12.Bh8+=; B) 8...Qf7 9.Be2 (9.Qf7 Nf7 10.Ne4 c5 11.Be2 Nd7 12.Bg4=) 9...Bf5 10.Nb5 Bg6 11.Qh3 0–0 12.d4=; C) 8...Kd8 9.Be2 (9.Qe2 Re8 10.Ne4 Nf5 11.Nd6 Qd6 12.Qh5+=; 9.Ne4 c6 10.dc6 Nc6 11.Be2 Nf5 12.Nd6+=; 9.Bd3 Bg4 10.Qh4 Nd7 11.Nge2 Nc5 12.Bc2+=; 9.Qd1 Re8 10.Ne4 Bf5 11.Bd3 Be4 12.Be4+=) 9...Nf5 10.Ne4 c6 11.Nd6 Qd6 12.Rc1=.

6.g3 Nh6–/+

7.Bg2 0–0+= A) 8.a3 A1) 8...Bc5 9.Qc2 (9.d3 Qd6 10.d4 ed4 11.Bd4 Bg4 12.Ne2–/+ ; 9.Nc3 Bf5 10.Ne4 Bb6 11.Qc2 Rd8 12.Ne2+= ; 9.Ne2 Nd7 10.0–0 Nb6 11.d3 Bg4 12.Nbc3+=; 9.Nh3 Nd7 10.d3 Nb6 11.Nc3 Bg4 12.f3–/+) 9...Na6 10.Nf3 Nf7 11.0–0 Bg4 12.h3+=; A2) 8...Ba5 9.Nf3 (9.Qe2 Nd7 10.Nf3 Nc5 11.0–0 Bf5 12.Bd4–/+ ; 9.Ne2 Qc5 10.Qb3 Nd7 11.0–0 Qb6 12.Qc2+= ; 9.Nc3 Nf5 10.Nge2 Qc5 11.d3 Nd4 12.h3+=; 9.Qa4 Bb6 10.Ne2 Na6 11.Nbc3 Bf5 12.Ne4–/+) 9...e4 10.Nd4 Bb6 11.Qc2 f5 12.0–0=; A3) 8...Bd6 9.Qe2 (9.d3 Na6 10.Ne2 Bf5 11.d4 ed4 12.Bd4–/+ ; 9.Nc3 Na6 10.Nge2 Bf5 11.Ne4 Nc5 12.d3+= ; 9.Nf3 e4 10.Nd4 Nf5 11.Nf5 Bf5 12.0–0–/+; 9.Ne2 Bf5 10.Qb3 Nd7 11.d4 ed4 12.Bd4+=) 9...Re8 10.Nc3 Bf5 11.Nf3 e4 12.Nd4+=; B) 8.Ne2 B1) 8...Bg4 9.a3 (9.h3 Bh5 10.Nbc3 Nd7 11.0–0 Nb6 12.Qb3+= ; 9.0–0 Nd7 10.h3 Bh5 11.Re1 Nc5 12.a3+= ; 9.Nbc3 Nd7 10.0–0 Nb6 11.d3 Rae8 12.h3+=; 9.Qb3 Na6 10.Nc1 Bd6 11.Ba3 Ba3 12.Qa3–/+) 9...Bc5 10.h3 Bh5 11.0–0 Na6 12.g4=; B2) 8...Re8 9.0–0 (9.Nbc3 Nf7 10.Qb3 Na6 11.0–0 Bg4 12.Rae1+= ; 9.Qb3 a5 10.a3 Bc5 11.Nbc3 Nd7 12.0–0+= ; 9.a3 Bd6 10.0–0 Bg4 11.h3 Bh5 12.Re1+=; 9.Qa4 Nd7 10.0–0 Nb6 11.Qb3 Qc5 12.d3+=) 9...Bg4 10.h3 Bh5 11.g4 Bg6 12.Qb3=; B3) 8...Nf7 9.a3 (9.0–0 Bg4 10.h3 Bh5 11.Re1 Qc5 12.Qb3+= ; 9.Qb3 Bc5 10.0–0 Bg4 11.Nbc3 Nd6 12.Rfe1= ; 9.Nbc3 Nd6 10.Qb3 Na6 11.0–0 Bg4 12.Rae1+=; 9.Qc2 Nd6 10.0–0 Bf5 11.Qb3 Na6 12.d4+=) 9...Bc5 10.0–0 Nd6 11.Qb3 Rf7 12.d4=; B4) 8...e4 9.Nbc3 (9.0–0 Bg4 10.Nbc3 Bc3 11.Bc3 Nd7 12.Rb1= ; 9.a3 Bd6 10.0–0 Na6 11.d4 ed3 12.Qd3+= ; 9.Qb3 Na6 10.0–0 Bd6 11.d4 ed3 12.Qd3+=; 9.Qc2 Bf5 10.Qb3 Na6 11.0–0 Bd6 12.Bd4+=) 9...Bf5 10.Nd4 Bg4 11.Qb1 Re8 12.0–0=; B5) 8...Nd7 9.0–0 (9.a3 Bc5 10.0–0 Nb6 11.d3 Bg4 12.Qc2+= ; 9.Nbc3 Nc5 10.0–0 Bf5 11.Nc1 Nd3 12.Nd3+= ; 9.Bc3 Nb6 10.Qb3 Bc5 11.0–0 Nf5 12.Re1+=; 9.Nc1 Nf5 10.Nd3 Bd6 11.0–0 Nc5 12.Qc2–/+) 9...Nb6 10.Qb3 a5 11.a3 Bg4 12.f3+=; C) 8.Nc3 C1) 8...Nd7 9.a3 (9.Qe2 Nf5 10.Nf3 Nc5 11.0–0 e4 12.Ne1+= ; 9.Nge2 Nc5 10.0–0 Bf5 11.Nc1 Nd3 12.Nd3+= ; 9.Qc2 Nc5 10.Ne4 Nf7 11.a3 Ba5 12.Ne2–/+; 9.Rb1 Nc5 10.Qe2 Bf5 11.Ne4 Bg4 12.Qf1–/+) 9...Bd6 10.Nge2 Nc5 11.0–0 Nf5 12.d3+=; C2) 8...Nf5 9.Nge2 (9.a3 Bc5 10.Ne4 Bd4 11.Qc2 Bb2 12.Qb2–/+ ; 9.Ne4 Nd6 10.a3 Ne4 11.Be4 Bd6 12.Qc2+= ; 9.Nf3 e4 10.Ng1 Re8 11.Nge2 Qc5 12.Be4–/+; 9.d3 Nd4 10.a3 Ba5 11.Nf3 Bg4 12.0–0–/+) 9...Nd4 10.0–0 Bg4 11.f3 Bd7 12.Nd4=; C3) 8...Rd8 9.Nge2 (9.Qe2 Re8 10.Nf3 e4 11.Nd4 Bg4 12.Qe3+= ; 9.a3 Bc5 10.Nge2 Bf5 11.Ne4 Be4 12.Be4+= ; 9.Nf3 e4 10.Nd4 c5 11.Nde2 Bf5 12.a3+=; 9.Qb3 Nf7 10.Nf3 e4 11.Nd4 c5 12.Nc2+=) 9...Nf5 10.0–0 Nd7 11.Qc2 Nb6 12.Ne4+=; C4) 8...Re8 9.Nge2 (9.Qb3 Na6 10.d6 Qd7 11.dc7 Nc5 12.Bd5–/+ ; 9.a3 Bc5 10.Nge2 Nf5 11.0–0 Nd6 12.Qb3+= ; 9.Ne4 Na6 10.a3 Bd6 11.Nf3 Nc5 12.d3+=; 9.Nf3 e4 10.Nd4 Nf5 11.Nc2 Bc5 12.0–0+=) 9...Na6 10.0–0 Bg4 11.h3 Bh5 12.Qb3=; C5) 8...Na6 9.a3 (9.Nge2 Nc5 10.0–0 Bf5 11.Nc1 Nd3 12.Nd3+= ; 9.Qe2 Bf5 10.a3 Ba5 11.Ne4 Nc5 12.Nc5–/+ ; 9.Nf3 Bf5 10.a3 Ba5 11.Na4 e4 12.Nd4+=; 9.Rb1 Nc5 10.Qe2 Bf5 11.Ne4 Bg4 12.Qf1–/+) 9...Bd6 10.Nge2 Nc5 11.0–0 Nd3 12.Qc2+=; D) 8.Qe2 D1) 8...Re8 9.Be4 (9.Nf3 Bc5 10.Qe4 Bf5 11.Qe2 Na6 12.a3–/+ ; 9.a3 Bc5 10.Be4 Nf5 11.Qd3 g6 12.Nc3–/+ ; 9.Nc3 Nf5 10.Rb1 Nd4 11.Qh5 Na6 12.Nge2–/+; 9.Bh3 Nf5 10.a3 Bc5 11.d3 c6 12.Bg2–/+) 9...Bc5 10.Nc3 f5 11.Bg2 Qd6 12.Na4+=; D2) 8...Bf5 9.a3 (9.Nf3 Nd7 10.Nh4 Bc2 11.d6 Qd6 12.Bb7–+ ; 9.Bc3 Na6 10.Bh3 Bc3 11.dc3 Bh3 12.Nh3–/+ ) 9...Ba5 10.Nf3 Na6 11.Nd4 Bg4 12.f3+=; D3) 8...Qd6 9.Nf3 (9.Nc3 Bf5 10.Nf3 Na6 11.Nb5 Qd7 12.Nh4+= ; 9.a3 Bc5 10.Nc3 Qb6 11.Bc1 Qa5 12.Rb1+= ; 9.h3 Nf5 10.Nf3 Qb6 11.Nc3 Na6 12.g4+=; 9.Bc3 Bc5 10.Nf3 Nf5 11.0–0 Bd7 12.d3+=) 9...Bg4 10.h3 Bf5 11.0–0 c5 12.a3=; D4) 8...Qe8 9.a3 (9.Nf3 Bf5 10.0–0 Nd7 11.a3 Bd6 12.d4+= ; 9.Bc3 Bd6 10.Nf3 Bf5 11.d4 Na6 12.de5+= ; 9.h3 Qg6 10.Nf3 Qc2 11.Bc3 Bd6 12.0–0+=; 9.Be4 Nd7 10.a3 Bc5 11.d3 Nb6 12.h3+=) 9...Bc5 10.Nf3 e4 11.Nd4 Qe5 12.f4+=; D5) 8...Bg4 9.Bf3 (9.f3 Bf5 10.a3 Ba5 11.Nc3 Nd7 12.Bh3–/+ ; 9.Qe3 Re8 10.Nf3 Bc5 11.Qb3 e4 12.Nd4+= ) 9...Qd7 10.Bg4 Ng4 11.h3 Nh6 12.Nf3+=; E) 8.Nf3 E1) 8...e4 9.Nd4 c5 10.a3 Bg4 11.Qa4 Qe5 12.ab4=; E2) 8...c6 9.Nc3 e4 10.Nd4 c5 11.Ndb5 Bg4 12.Qc2=; E3) 8...Bg4 9.Qb3 (9.0–0 Nd7 10.Qb3 e4 11.Re1 a5 12.Nd4= ; 9.Qc2 Nd7 10.0–0 Rae8 11.Qb3 e4 12.Re1+= ) 9...Na6 10.0–0 Rab8 11.d4 e4 12.Nfd2=; E4) 8...Nd7 9.0–0 Nb6 10.Qb3 Qc5 11.Rc1 e4 12.Nd4+=; E5) 8...Bf5 9.Qb3 (9.a3 Bd6 10.Qe2 Nd7 11.d4 Rae8 12.0–0+= ) 9...Na6 10.0–0 Rab8 11.a3 Bd6 12.d4=.

7.Bg2 Na6 A) 8.a3 A1) 8...Bc5 9.Nc3 (9.d4 Bd4 10.Bd4 ed4 11.Ne2 Nc5 12.0–0+= ; 9.Ne2 0–0 10.0–0 Bg4 11.h3 Be2 12.Qe2+= ; 9.Qh5 Qf7 10.Qd1 0–0 11.d4 ed4 12.Ne2–/+; 9.d3 Qd6 10.Qe2 0–0 11.Nc3 Bg4 12.Nf3+=) 9...0–0 10.Nge2 Nf5 11.Ne4 Nd6 12.Nc5=; A2) 8...Bd6 9.Ne2 (9.Qh5 Qf7 10.Qf7 Kf7 11.Ne2 Nc5 12.0–0–/+ ; 9.Qe2 Nc5 10.Nc3 Nb3 11.Ra2 Bg4 12.Nf3–/+ ; 9.d4 ed4 10.Ne2 d3 11.Qd3 Nc5 12.Qd1+=; 9.Nf3 Nc5 10.0–0 Nd3 11.Bc3 Bf5 12.Nh4+=) 9...0–0 10.0–0 Bg4 11.h3 Bh5 12.Re1+=; B) 8.Nf3 B1) 8...Nc5 9.0–0 Nd3 10.Qb3 Nb2 11.Qb2 0–0 12.d4=; B2) 8...Bf5 9.0–0 (9.a3 Bd6 10.0–0 Bd3 11.Qa4 Kf7 12.Re1–/+ ) 9...Bd3 10.Re1 0–0 11.Qb3 e4 12.Nd4=; B3) 8...Bg4 9.0–0 (9.h3 Bf5 10.0–0 Bd3 11.Qa4 Qd7 12.Qd7+= ) 9...e4 10.h3 Bf3 11.Bf3 0–0 12.Bg2+=; B4) 8...e4 9.Nd4 Nc5 10.0–0 0–0 11.Qe2 Re8 12.Bc3+=; B5) 8...0–0 9.0–0 e4 10.Re1 f5 11.Ne5 Nf7 12.Nf7+=; C) 8.Qh5 C1) 8...Qf7 9.Qe2 (9.Qf7 Nf7 10.a3 Bc5 11.d3 0–0 12.Ne2+= ) 9...0–0 10.Nf3 e4 11.Nd4 Bg4 12.Qe3+=; C2) 8...Kd8 9.Nf3 (9.a3 Nc5 10.Bf1 Ba5 11.Bc3 Bb6 12.Bb4–/+ ; 9.Nh3 Bg4 10.Qh4 Nc5 11.0–0 Be2 12.f3–+ ; 9.Qe2 Nc5 10.Nc3 Re8 11.Ne4 Bg4 12.f3–/+) 9...Qc5 10.0–0 Qc4 11.Be5 fe5 12.Qg5+=; C3) 8...Nf7 9.a3 (9.Ne2 Qc5 10.Qh4 g5 11.Qe4 Nd6 12.Qf3–+ ; 9.Qe2 Bf5 10.Bh3 Bg6 11.Bc3 Bc3 12.dc3–/+ ; 9.Nf3 Qc5 10.Bf1 Qb6 11.Nc3 Bc5 12.0–0–0–+; 9.Nh3 Qc5 10.Bf1 c6 11.a3 Ba5 12.Nc3–/+) 9...Nc5 10.ab4 Nd3 11.Kf1 Nb2 12.c5+=; D) 8.Nh3 D1) 8...Bg4 9.f3 (9.Qa4 Bd7 10.Qd1 Nc5 11.0–0 Bg4 12.Qc2–/+ ) 9...Bf5 10.Nf2 0–0–0 11.0–0 Qc5 12.a3+= ; D2) 8...Nc5 9.0–0 (9.Qe2 Bf5 10.0–0 0–0–0 11.a3 Ba5 12.Qe3–/+ ) 9...Bg4 10.f3 Nd3 11.fg4 Qc5 12.Nf2=; D3) 8...0–0 9.0–0 (9.a3 Bc5 10.0–0 Bg4 11.Qa4 Qf7 12.d4–/+ ) 9...Nf5 10.d4 ed4 11.Bd4 Nd4 12.Qd4+=; D4) 8...Nf5 9.a3 (9.Qh5 g6 10.Qe2 0–0 11.0–0 Bc5 12.Nc3–/+ ; 9.0–0 0–0 10.d4 ed4 11.Bd4 Nd4 12.Qd4+= ; 9.Nc3 Qc5 10.d3 Qa5 11.Qd2 Nd4 12.Ng1–/+; 9.Qe2 0–0 10.0–0 Bc5 11.Nc3 Nd4 12.Qh5–/+) 9...Bc5 10.0–0 Nd4 11.Nc3 Bf5 12.Ne4+=; D5) 8...Bf5 9.a3 (9.0–0 Qd7 10.a3 Be7 11.d6 Bd6 12.Qh5–+ ; 9.Qa4 Bd7 10.Qd1 Nc5 11.0–0 Bg4 12.f3–/+ ) 9...Bd6 10.0–0 Qd7 11.Qh5 Nf7 12.f4–/+; E) 8.Ne2 E1) 8...Nf5 9.a3 (9.0–0 0–0 10.d4 Re8 11.de5 fe5 12.a3= ) 9...Bc5 10.0–0 0–0 11.d4 ed4 12.Nd4=; E2) 8...Nc5 9.0–0 (9.Nc1 Bg4 10.f3 Bd7 11.Nc3 0–0 12.0–0+= ) 9...Nd3 10.Qb3 Nb2 11.Qb2 Bg4 12.d4=; E3) 8...0–0 9.0–0 (9.Nbc3 Nc5 10.0–0 Bf5 11.Nc1 Nd3 12.Nd3+= ; 9.a3 Bd6 10.0–0 Bg4 11.h3 Bh5 12.Re1+=) 9...Bg4 10.h3 Bh5 11.a3 Bc5 12.g4=; E4) 8...Qc5 9.a3 (9.Qb3 Qb6 10.0–0 Nc5 11.Qd1 Nd3 12.Ba3+= ; 9.Qa4 Bd7 10.Qb3 Qb6 11.Be4 Nc5 12.Qf3–+ ) 9...Ba5 10.Qb3 0–0 11.0–0 Nf5 12.d4+=; E5) 8...Bf5 9.a3 (9.0–0 Bd3 10.Re1 Nc5 11.Bc3 Bc3 12.Nbc3–/+ ) 9...Bc5 10.d4 ed4 11.0–0 d3 12.Nd4+=.

7.Bg2 Nd7 A) 8.Qe2 A1) 8...Nb6 9.Nf3 (9.Be4 Qc5 10.a3 Ba5 11.Bd3 Bf5 12.Bc3–+ ; 9.h3 Qc5 10.a3 Ba5 11.Bf1 Nf5 12.Nc3–/+ ; 9.Bc3 Nf5 10.Nf3 Qc5 11.Bf1 0–0 12.a3–/+; 9.a3 Ba5 10.Bc3 Bc3 11.Nc3 Bg4 12.Bf3+=) 9...0–0 10.a3 Bd6 11.Nc3 Bf5 12.d3+=; A2) 8...Nf5 9.Nf3 (9.Qh5 g6 10.Qe2 Nb6 11.a3 Bc5 12.d3–/+ ; 9.a3 Bc5 10.d3 Nd4 11.Bd4 Bd4 12.Ra2–/+ ; 9.Bc3 Bc5 10.Nh3 Nb6 11.0–0 0–0 12.a3–/+; 9.h3 Nc5 10.a3 Ba5 11.g4 Nd6 12.Bf1–/+) 9...e4 10.Nd4 Ne5 11.Nf5 Bf5 12.0–0+=; A3) 8...Nc5 9.Bc3 (9.Nc3 Bg4 10.f3 Bf5 11.Ne4 0–0 12.a3–/+ ; 9.a3 Bf5 10.ab4 Nd3 11.Kf1 Nb2 12.d6–+ ; 9.Nh3 Bf5 10.0–0 0–0 11.Qe3 Nd3 12.Bc3–/+) 9...Bc3 10.Nc3 Nf5 11.d3 Nd4 12.Qd2–/+; B) 8.Qh5 B1) 8...Nf7 9.a3 (9.Bc3 Qc5 10.Qg4 0–0 11.a3 Bc3 12.Nc3–/+ ; 9.Qe2 Nc5 10.Bc3 a5 11.d3 0–0 12.h3–/+; 9.Nc3 Nc5 10.Qe2 Nd6 11.Ne4 Nde4 12.Be4–/+; 9.Bf1 0–0 10.a3 Bc5 11.Nc3 Nd6 12.d3–/+) 9...Nc5 10.ab4 Nd3 11.Kf1 Nb2 12.c5+=; B2) 8...Qf7 9.Qe2 (9.Qf7 Nf7 10.a3 Ba5 11.Bc3 Bb6 12.Nf3–/+ ) 9...Nc5 10.a3 Bf5 11.ab4 Nd3 12.Kf1+=; B3) 8...Kd8 9.Qe2 (9.a3 Nc5 10.Bf1 Bg4 11.Qh4 Nb3 12.Ra2–+ ; 9.Bc3 Nb6 10.Qe2 Bg4 11.f3 Bf5 12.Bf1–/+ ; 9.Nc3 Nb6 10.Qe2 Nf5 11.Rb1 Re8 12.Ba1–/+) 9...Nc5 10.Nc3 Nf5 11.Ne4 Ne4 12.Qe4–/+; C) 8.Ne2 C1) 8...0–0 9.0–0 (9.a3 Bc5 10.0–0 Nb6 11.d3 Bg4 12.Nbc3+= ; 9.Nbc3 Nc5 10.0–0 Bf5 11.Nc1 Nd3 12.Nd3+= ; 9.Bc3 Nb6 10.d3 Bg4 11.h3 Bf5 12.Bb4+=; 9.Nc1 Nf5 10.0–0 Re8 11.Nd3 Bd6 12.Re1+=) 9...Nb6 10.Qb3 a5 11.a3 Bg4 12.f3+=; C2) 8...Nc5 9.0–0 (9.Nc1 Bg4 10.f3 Bd7 11.a3 Ba5 12.Qe2–/+ ) 9...Nd3 10.Qb3 Nb2 11.Qb2 0–0 12.d4=; C3) 8...Nf5 9.0–0 (9.a3 Bc5 10.0–0 0–0 11.d4 ed4 12.Nd4+= ; 9.Qc2 Nd6 10.a3 Bc5 11.0–0 Nb6 12.d3+= ; 9.Bc3 0–0 10.0–0 Bc5 11.d4 ed4 12.Nd4+=; 9.Nbc3 Nd6 10.d3 Nc5 11.0–0 Bf5 12.Nc1+=) 9...Qc5 10.a3 Ba5 11.d3 0–0 12.Nbc3=; C4) 8...Nb6 9.a3 (9.Qb3 Qc5 10.Ba3 a5 11.Bb4 ab4 12.d3+= ; 9.Bc3 0–0 10.Qb3 Bc5 11.0–0 Nf5 12.Re1+= ) 9...Bc5 10.Qb3 0–0 11.0–0 Bg4 12.Re1+=; C5) 8...Qc5 9.Qb3 (9.a3 Ba5 10.Bc3 Bc3 11.dc3 Nb6 12.Nd2–/+ ) 9...Nb6 10.Ba3 a5 11.Bb4 ab4 12.d3+=; D) 8.Bc3 D1) 8...Bc5 9.Nf3 (9.Ne2 0–0 10.0–0 Nb6 11.d4 ed4 12.Nd4+= ; 9.Qh5 Kd8 10.d3 Nb6 11.Qe2 Re8 12.Nd2–/+ ; 9.Qe2 Nf5 10.Nh3 Nb6 11.a3 Nd4 12.Bd4–/+; 9.d3 0–0 10.Ne2 Nb6 11.Nd2 Bg4 12.h3+=) 9...0–0 10.0–0 Nb6 11.d3 Bd7 12.a4+=; D2) 8...Nf5 9.Ne2 (9.Be4 Nb6 10.Qh5 g6 11.Qe2 Nd4 12.Bd4–/+ ; 9.Qh5 g6 10.Qe2 Nd4 11.Bd4 ed4 12.Nf3+= ; 9.d3 Nb6 10.Ne2 0–0 11.0–0 a5 12.Qe1+=; 9.Qe2 Bc5 10.Nh3 Nb6 11.a3 Nd4 12.Bd4–/+) 9...0–0 10.0–0 Bc3 11.Nbc3 Nd6 12.d3=; D3) 8...Nc5 9.d3 (9.Qh5 Nf7 10.Qe2 a5 11.d3 0–0 12.h3–/+; 9.Bb4 Nd3 10.Ke2 Nb4 11.a3 Na6 12.Kf1–/+; 9.Qe2 Bc3 10.Nc3 Nf5 11.d3 Nd4 12.Qd2–/+) 9...a5 10.a3 Bg4 11.Bf3 Bf3 12.Nf3+=; D4) 8...Nb6 9.d3 (9.Qb3 Bc5 10.a4 a5 11.Ne2 Bf5 12.Bb2–/+ ; 9.Ne2 0–0 10.Qb3 Bc5 11.0–0 Nf5 12.Re1+= ; 9.Qh5 Kd8 10.Qe2 Bg4 11.Qd3 e4 12.Qf1–/+; 9.Qe2 Nf5 10.Nf3 Qc5 11.Bf1 0–0 12.a3–/+) 9...0–0 10.Ne2 Bg4 11.h3 Bf5 12.Bb4+=; D5) 8...0–0 9.d3 (9.Nf3 Nb6 10.Qb3 Bc5 11.0–0 Nf5 12.d3+= ; 9.Ne2 Nb6 10.Qb3 Bc5 11.0–0 Nf5 12.Re1+= ; 9.Qe2 Nb6 10.d3 Na4 11.Bd2 Bd2 12.Qd2+=; 9.Qc2 Bc5 10.Ne2 Nb6 11.d3 Bg4 12.h3+=) 9...Nb6 10.Bb4 Qb4 11.Qd2 Qd6 12.Nc3+=; E) 8.a3 E1) 8...Bd6 9.Ne2 (9.Qh5 Nf7 10.Be4 Nc5 11.Nc3 g6 12.Qh4–/+ ; 9.Nf3 0–0 10.0–0 e4 11.Nd4 Nc5 12.Qc2+= ; 9.d4 ed4 10.Ne2 0–0 11.Bd4 Re8 12.Ra2+=; 9.Qe2 Nc5 10.d3 0–0 11.Nd2 Bg4 12.Ngf3+=) 9...0–0 10.0–0 Nb6 11.Qb3 a5 12.d4=; E2) 8...Bc5 9.Nc3 (9.Qh5 Qf7 10.Qe2 0–0 11.Nf3 Nf5 12.0–0+= ; 9.Qe2 Nf5 10.d3 Nd4 11.Bd4 Bd4 12.Ra2–/+ ; 9.Ne2 0–0 10.0–0 Nb6 11.d3 Bf5 12.Qb3+=; 9.d4 Bd4 10.Bd4 ed4 11.Ne2 Nc5 12.0–0+=) 9...0–0 10.d3 Nf7 11.Nf3 Nb6 12.Ne4+=; E3) 8...Ba5 9.Bc3 (9.Qh5 Qf7 10.Qe2 Nc5 11.Nc3 Bg4 12.f3–/+ ; 9.Qa4 Bb6 10.Ne2 0–0 11.Nbc3 Nf5 12.0–0+= ; 9.Nf3 Qc5 10.Bc3 Bc3 11.dc3 Qc4 12.Nfd2–/+; 9.Qe2 Nc5 10.Nc3 0–0 11.Rb1 Bc3 12.dc3–/+) 9...Bc3 10.Nc3 0–0 11.d3 Nc5 12.Ne4+=.

7.Bg2 Bf5 8.d6+= cd6 (8...Bd6 9.Bb7 Na6 10.Ba8 Nb4 11.Kf1 0–0 12.a3+–; 8...cd6 9.Qa4 Nc6 10.Bc6 bc6 11.Qb4 c5 12.Qb3=; 8...Qd6 9.Bb7 Nc6 10.Ba8 0–0 11.Bc6 Qc6 12.f3+–) 9.Qa4 Nd7 (better is 9...Nc6!? 10.Bc6 bc6 11.Qb4 c5= (11...0–0 12.Qc3+=) 12.Qb3=) 10.Qb4+/– Nc5 11.Qa3 (11.Bf1 Qc7+/– 12.f3+/–; 11.Kf1 Rc8 12.Nc3+–) 11...Ng4 (11...Nd3 12.Ke2+/– (12.Kf1 Qc7 13.Qa4 Bd7 14.Qb3 Nb2 15.Qb2 Qc4 16.Ne2+/–)) 12.Bf1 Qe6? (better is 12...e4!? 13.Nc3 e3+=) 13.f3 Nh6 14.d3 (14.Nc3 0–0+–) 14...e4 15.de4 Be4 16.Kd2 Bc6 17.Nc3 (17.Nc3 0–0 18.Re1+/–) 1–0. Mroz,Antoni – Kacprzak,B, corr Poland, 1984.

7.Bg2 Nf7 A) 8.a3 A1) 8...Bc5 9.Ne2 (9.d4 ed4 10.Ne2 0–0 11.Bd4 Ne5 12.Bc5–/+ ; 9.Qe2 Nd7 10.Nc3 Nb6 11.Nf3 Nd6 12.d3+= ; 9.Nc3 0–0 10.Qh5 Rd8 11.d3 Nd6 12.Ne4+=; 9.d3 0–0 10.Nc3 Na6 11.Nf3 Bg4 12.0–0+=) 9...0–0 10.0–0 Nd6 11.Qb3 Rf7 12.d4=; A2) 8...Bd6 9.Nc3 (9.Ne2 0–0 10.0–0 Bg4 11.d4 ed4 12.Re1–/+ ; 9.Qh5 Nd7 10.Be4 Nc5 11.Nc3 Rb8 12.Bc2–/+ ; 9.Qe2 0–0 10.d4 Re8 11.c5 ed4 12.cd6–/+; 9.Qc2 Bg4 10.Ne2 0–0 11.h3 Bh5 12.Nbc3+=) 9...Nd7 10.Nge2 0–0 11.0–0 Nb6 12.Qb3+=; B) 8.Ne2 B1) 8...0–0 9.a3 (9.0–0 Bg4 10.f3 Bf5 11.a3 Bd6 12.Qb3+= ; 9.Qb3 Bc5 10.0–0 Bg4 11.Nbc3 Nd6 12.Rfe1= ; 9.Qc2 Bg4 10.h3 Bh5 11.Qb3 Nd7 12.Nc1–/+; 9.Bc3 Bc5 10.0–0 Nd6 11.d4 ed4 12.Nd4+=) 9...Bc5 10.0–0 Nd6 11.Qb3 Na6 12.d4=; B2) 8...Nd7 9.a3 (9.0–0 0–0 10.d4 Re8 11.Qb3 Ba5 12.Ba3= ; 9.Bc3 0–0 10.0–0 Nb6 11.Qb3 Bc3 12.Nbc3+= ; 9.Nbc3 Nd6 10.d3 Nc5 11.0–0 Bf5 12.Nc1+=; 9.Qc2 Nd6 10.a3 Bc5 11.0–0 Nb6 12.d3+=) 9...Bc5 10.0–0 Nd6 11.d4 ed4 12.Nd2=; B3) 8...Qd7 9.0–0 (9.f4 ef4 10.Nf4 Qe7 11.Qe2 Qe2 12.Ke2= ; 9.Qb3 Na6 10.0–0 0–0 11.d4 Re8 12.a3= ; 9.a3 Ba5 10.f4 ef4 11.Nf4 Qe7 12.Kf2=; 9.Bc3 Bc3 10.Nbc3 0–0 11.0–0 Re8 12.d4=) 9...0–0 10.d4 Re8 11.a3 Ba5 12.Nd2=; B4) 8...Bd7 9.Qb3 (9.0–0 0–0 10.a3 Ba5 11.d4 Na6 12.Bc3= ; 9.a3 Ba5 10.Bc3 Qc5 11.d3 Bc3 12.Nbc3= ) 9...Na6 10.0–0 Bg4 11.f3 Bf5 12.a3=; B5) 8...Qc5 9.Qa4 (9.Bc3 Bc3 10.dc3 Qc4 11.Nd2 Qa6 12.0–0–/+ ; 9.Qb3 Nd6 10.Ba3 a5 11.Bb4 ab4 12.d3–/+ ; 9.a3 Ba5 10.Bc3 Bc3 11.dc3 Qc4 12.Nd2–/+; 9.Na3 Nd6 10.Rc1 Bf5 11.Qb3 Na6 12.Qa4–/+) 9...Bd7 10.Qb3 Nd6 11.Bc3 Bc3 12.dc3–/+; C) 8.Nh3 C1) 8...Bf5 9.g4 (9.a3 Bd6 10.Qb3 c6 11.Ng1 0–0 12.Ne2–/+ ; 9.Qb3 Na6 10.0–0 0–0–0 11.a3 Bd6 12.d4+= ; 9.Bc3 Bd6 10.Qe2 Na6 11.g4 Bg6 12.d3–/+) 9...Bc8 10.0–0 Qd7 11.f4 Bc5 12.d4+=; C2) 8...0–0 9.Qb3 (9.a3 Ba5 10.0–0 Bf5 11.d4 Qd7 12.de5+= ; 9.0–0 Nd6 10.Qe2 Qe8 11.d4 ed4 12.Qd3+= ; 9.Qe2 Bf5 10.g4 Bc8 11.a3 Bc5 12.Nc3–/+) 9...Nd7 10.0–0 Bc5 11.Re1 Qd8 12.d4+=; C3) 8...Na6 9.0–0 (9.a3 Bd6 10.0–0 Bf5 11.Qa4 Bd7 12.Qc2+= ; 9.Qe2 Nc5 10.0–0 Bf5 11.Rd1 Bd3 12.Qg4–+ ; 9.Nc3 Bf5 10.Qa4 Kd8 11.Ne4 Nd6 12.Nd6–/+; 9.Bc3 0–0 10.0–0 Bf5 11.Qb3 Bc3 12.Nc3–/+) 9...Qc5 10.a3 Ba5 11.d3 0–0 12.Bc3+=; C4) 8...Bd6 9.0–0 (9.Qh5 Na6 10.0–0 Nb4 11.Nc3 0–0 12.Ne4+= ; 9.Qe2 0–0 10.0–0 Bf5 11.f4 Qd7 12.fe5+= ) 9...Bf5 10.Re1 0–0 11.Nf4 c5 12.Qh5=; C5) 8...Nd7 9.0–0 (9.a3 Bc5 10.0–0 Nb6 11.Re1 0–0 12.d3+= ; 9.Qe2 Nc5 10.0–0 Bf5 11.Rd1 Bd3 12.Qg4–/+ ; 9.Qc2 Nd6 10.a3 Bc5 11.d3 0–0 12.0–0+=; 9.Bc3 Nb6 10.d3 Bf5 11.g4 Bd7 12.a3–/+) 9...Nb6 10.a3 Bc5 11.Re1 0–0 12.d4+=; D) 8.Qc2 D1) 8...Bc5 9.Qb3 (9.Ne2 Bg4 10.Nbc3 Nd6 11.Ne4 Na6 12.Nd6+= ; 9.d3 Na6 10.Nc3 0–0 11.Nf3 Bf5 12.Qe2+= ; 9.Nc3 0–0 10.Ne4 Bf5 11.Ne2 Na6 12.d3+=; 9.Nf3 e4 10.Nd4 Ne5 11.0–0 Nd3 12.Nb3+=) 9...0–0 10.Ne2 Nd8 11.0–0 Bg4 12.Re1+=; D2) 8...Nd7 9.Nf3 (9.Ne2 Nd6 10.a3 Bc5 11.0–0 Nb6 12.d3+= ; 9.a3 Bc5 10.Ne2 Nb6 11.0–0 Bg4 12.Nbc3+= ; 9.Nh3 Nd6 10.a3 Bc5 11.0–0 Nb6 12.d3–/+; 9.Bc3 0–0 10.Nf3 Nb6 11.d3 Bc5 12.0–0+=) 9...Nc5 10.0–0 Nd6 11.Nh4 Bd7 12.d3+=; D3) 8...Na6 9.Nf3 (9.Ne2 Nd6 10.a3 Bf5 11.Qa4 Bd7 12.Qc2+= ; 9.a3 Bc5 10.Nf3 e4 11.Nd4 Ne5 12.0–0+= ; 9.Nh3 Nd6 10.a3 Bc5 11.0–0 Bf5 12.Qb3–+; 9.Nc3 Nd6 10.a3 Bc3 11.Qc3 Nc5 12.Bf3–/+) 9...Bc5 10.0–0 Nb4 11.Qb3 e4 12.Ne1=; D4) 8...0–0 9.Nf3 (9.Ne2 Bg4 10.h3 Bh5 11.Qb3 Nd7 12.Nc1+= ; 9.a3 Bc5 10.Ne2 Bg4 11.h3 Be2 12.Ke2+= ; 9.h3 Na6 10.a3 Bc5 11.Ne2 Re8 12.d3–/+; 9.Nc3 Nd6 10.a3 Bf5 11.Ne4 Ba5 12.f3–/+) 9...c6 10.Nc3 Nd6 11.dc6 bc6 12.d3+=; D5) 8...Qc5 9.Bc3 (9.Bf3 Nd6 10.a3 Ba5 11.Be2 Bf5 12.Qa4–/+ ; 9.f4 ef4 10.gf4 Nd6 11.a3 Ba5 12.Bf1–/+ ; 9.a3 Ba5 10.f4 Nd6 11.Bf1 ef4 12.gf4–/+; 9.Be4 Nd6 10.Bd3 Nd7 11.a3 Ba5 12.a4–/+) 9...Bc3 10.Qc3 Nd6 11.d3 Na6 12.Nf3+=; E) 8.Qe2 E1) 8...0–0 9.Nf3 (9.Nc3 Na6 10.a3 Bd6 11.Ne4 Bf5 12.d3+= ; 9.Bc3 Qc5 10.Nf3 Nd6 11.d3 Bc3 12.Nc3+= ; 9.a3 Ba5 10.Nf3 Qc5 11.0–0 Nd6 12.d3=; 9.h3 Re8 10.Nc3 Nd6 11.a3 Bc5 12.d3+=) 9...e4 10.Nd4 Ne5 11.Be4 Re8 12.Kd1=; E2) 8...Nd6 9.a3 (9.Nf3 e4 10.Nd4 Nd7 11.Ne6 Nc5 12.Nc5+= ; 9.Bc3 Na6 10.Nf3 Bf5 11.Nh4 Bd7 12.0–0+= ; 9.Nh3 Bf5 10.a3 Bc5 11.0–0 Kf7 12.g4+=; 9.h3 Nd7 10.a3 Bc5 11.d3 Nb6 12.Nc3+=) 9...Bc5 10.d3 Nd7 11.Nf3 Bb6 12.Nbd2=; E3) 8...Nd7 9.a3 (9.Nf3 e4 10.Nh4 Nc5 11.0–0 g5 12.d4–/+; 9.Nc3 Nc5 10.a3 Ba5 11.Ne4 0–0 12.Nf3+=; 9.Nh3 Nc5 10.0–0 Bf5 11.Rd1 Bd3 12.Qg4–/+; 9.Bc3 Nb6 10.d3 Bf5 11.Bd2 0–0 12.Nf3–/+) 9...Bc5 10.Nc3 Nb6 11.Nf3 Nd6 12.d3+=; E4) 8...Qc5 9.Nc3 (9.a3 Ba5 10.Nc3 Nd6 11.Ne4 Ne4 12.Qe4+= ; 9.f4 0–0 10.a3 Ba5 11.Bc3 ef4 12.Ba5–/+ ; 9.Nf3 Nd6 10.Bc3 Bc3 11.dc3 Qc4 12.Qc4–/+) 9...Nd6 10.Ne4 Ne4 11.Be4 0–0 12.a3+=; E5) 8...Bf5 9.a3 (9.Nf3 Na6 10.Nh4 Bd7 11.a3 Bc5 12.Nf3–/+ ; 9.g4 Bg6 10.h4 h5 11.a3 Bc5 12.Nc3+=; 9.Nc3 Nd7 10.a3 Bc3 11.Bc3 Nc5 12.Bb4+=; 9.Bc3 Na6 10.Bh3 Bg6 11.Nf3 Bc3 12.dc3–/+) 9...Bd6 10.Nf3 0–0 11.d4 Re8 12.0–0+=.

7.Bg2 Bg4 A) 8.f3 A1) 8...Bf5 9.a3 (9.Ne2 Nd7 10.a3 Bc5 11.d4 ed4 12.Bd4–/+ ; 9.Qe2 Nd7 10.Bh3 Rd8 11.Nc3 0–0 12.Nb5–/+ ; 9.h3 Nd7 10.Ne2 0–0 11.a3 Ba5 12.Bc3–/+; 9.Nc3 Nd7 10.Ne4 0–0 11.a3 Bc5 12.Ne2–/+) 9...Bc5 10.Ne2 Na6 11.Nbc3 0–0 12.Ne4+=; A2) 8...Bc8 9.Ne2 (9.Qe2 Nf5 10.Bh3 Bc5 11.Qd3 g6 12.Nc3+= ; 9.a3 Bc5 10.Ne2 Nf5 11.Qa4 Nd7 12.Bh3–/+ ; 9.Nc3 0–0 10.a3 Bc5 11.Nge2 Nd7 12.Ne4+=; 9.Bh3 0–0 10.Bc8 Rc8 11.Ne2 Nd7 12.Qb3–/+) 9...Nf5 10.Qa4 Bd7 11.Qb3 Na6 12.0–0+=; A3) 8...Bh5 9.Ne2 (9.a3 Bc5 10.Ne2 Nf5 11.Qb3 Nd6 12.Kd1+= ; 9.Nc3 Nd7 10.a3 Bc5 11.Ne4 0–0 12.Qe2–/+ ; 9.Bh3 Nd7 10.Bd7 Kd7 11.a3 Bc5 12.Nc3–/+; 9.Qe2 Nd7 10.Nh3 Bg6 11.Nc3 Nf5 12.Ne4+=) 9...0–0 10.Qb3 Na6 11.0–0 Bc5 12.Kh1+=; A4) 8...Bd7 9.a3 (9.Nc3 Na6 10.a3 Bc5 11.Ne4 Nf5 12.Ne2–/+ ; 9.Qe2 Nf5 10.a3 Bc5 11.f4 ef4 12.gf4–/+ ; 9.Ne2 Nf5 10.Nbc3 0–0 11.a3 Ba5 12.Qb3–/+; 9.Bc3 Na6 10.a3 Bc5 11.Qe2 Nf5 12.f4–/+) 9...Bc5 10.Nc3 Na6 11.Ne4 Nf5 12.Rb1–/+; B) 8.Ne2 B1) 8...Nd7 9.Nbc3 (9.h3 Bh5 10.Nbc3 0–0 11.0–0 Rae8 12.Re1+= ; 9.0–0 0–0 10.h3 Bh5 11.Re1 Nb6 12.Qb3+= ; 9.a3 Bc5 10.h3 Bh5 11.g4 Bg6 12.Qb3+=; 9.Bc3 0–0 10.0–0 Rae8 11.Re1 Bd6 12.f3+=) 9...Nb6 10.Qb3 Qc5 11.d3 Nf5 12.a3+=; B2) 8...Na6 9.a3 (9.h3 Bh5 10.a3 Bd6 11.0–0 0–0–0 12.Re1+= ; 9.f3 Bf5 10.a3 Bc5 11.Nbc3 0–0 12.Ne4+= ; 9.0–0 0–0 10.h3 Bh5 11.d4 Rae8 12.Qc2+=) 9...Bc5 10.h3 Bh5 11.0–0 0–0 12.Re1+=; B3) 8...0–0 9.h3 (9.a3 Bd6 10.h3 Bf5 11.Qb3 Nd7 12.d4+=; 9.0–0 Nd7 10.h3 Bh5 11.Re1 Nc5 12.a3+=; 9.Nbc3 Nd7 10.0–0 Nb6 11.Qb3 a5 12.d3+=; 9.Qb3 Na6 10.Nc1 Bd6 11.Ba3 Ba3 12.Qa3–/+) 9...Bh5 10.Nbc3 Nd7 11.0–0 Rae8 12.Re1+=; C) 8.Qa4 C1) 8...Bd7 9.Qc2 (9.Qb3 Na6 10.a3 Nc5 11.Qe3 Bf5 12.ab4–/+ ; 9.Qd1 Nf5 10.Ne2 Qc5 11.Qb3 Nd6 12.Bc3–/+ ) 9...Na6 10.Be4 0–0–0 11.a3 Bc5 12.Ne2+=; C2) 8...Nd7 9.Bc3 (9.h3 Bf5 10.g4 Bd3 11.Na3 Bd6 12.Nb5–/+ ; 9.a3 Bd6 10.Be4 0–0 11.h3 Nc5 12.Qc2–+ ; 9.d6 Qd6 10.Bb7 Rb8 11.Be4 Bf5 12.Bf5–/+; 9.Qb5 Rb8 10.h3 Bf5 11.a3 Bd6 12.Ne2–/+) 9...Bc5 10.Nf3 0–0 11.0–0 Nb6 12.Qb3–/+; D) 8.Qc2 D1) 8...Nd7 9.Ne2 (9.Bc3 0–0 10.Nf3 Nb6 11.d3 Bc3 12.Nc3–/+ ; 9.a3 Bc5 10.Nf3 e4 11.Nd4 Ne5 12.0–0–/+ ; 9.Be4 f5 10.a3 Bc5 11.Bg2 e4 12.h3–/+; 9.Nc3 Bf5 10.Be4 Be4 11.Ne4 f5 12.a3–/+) 9...Bf5 10.Be4 Be4 11.Qe4 0–0 12.0–0+=; D2) 8...0–0 9.Nf3 (9.a3 Bd6 10.Nc3 Nd7 11.Nf3 Nc5 12.d3+= ; 9.Nc3 Na6 10.a3 Bc3 11.Bc3 Nc5 12.d3+= ; 9.Ne2 Nd7 10.Be4 f5 11.d6 Qd6 12.Bb7–/+; 9.Bc3 Na6 10.h3 Bf5 11.Be4 Be4 12.Qe4–/+) 9...Nd7 10.0–0 Rae8 11.a3 Bc5 12.Re1+=; D3) 8...Na6 9.a3 (9.Be4 f5 10.Bg2 0–0 11.h3 Bh5 12.a3–/+; 9.Nc3 0–0 10.a3 Bc3 11.Bc3 Nc5 12.d3+=; 9.Bc3 0–0 10.h3 Bf5 11.Be4 Be4 12.Qe4–/+) 9...Bd6 10.Nc3 0–0–0 11.Ne4 Nc5 12.Rb1+=; D4) 8...Qd6 9.a3 (9.Be4 g6 10.Qb3 Qb6 11.Nc3 Na6 12.a3+= ; 9.Nc3 0–0 10.Ne4 Qe7 11.a3 Bc5 12.Nc5= ; 9.Bc3 0–0 10.Bb4 Qb4 11.a3 Qc5 12.h3+=; 9.Ne2 0–0 10.a3 Bc5 11.Nbc3 Bf5 12.Be4+=) 9...Bc5 10.Nc3 Na6 11.Ne4 Qd7 12.h3=; D5) 8...Bf5 9.Be4 Be4 10.Qe4 Nd7 11.a3 Bc5 12.d3–/+; E) 8.Bf3 E1) 8...Bf3 9.Nf3 (9.Qf3 Nd7 10.Ne2 Nb6 11.Qb3 Qc5 12.Ba3+= ) 9...c6 10.Nc3 0–0 11.0–0 Rd8 12.Qb3+=; E2) 8...Qd7 9.a3 (9.Bg4 Ng4 10.f3 Nh6 11.a3 Ba5 12.Bc3+= ; 9.Bc3 Na6 10.Bg4 Ng4 11.f3 Nh6 12.Bb4+= ; 9.Ba3 Bf3 10.Nf3 Ba3 11.Na3 c6 12.dc6+=; 9.h3 Bf5 10.a3 Bd6 11.g4 Bg6 12.Qb3+=) 9...Bc5 10.d4 ed4 11.Kf1 Na6 12.Kg2+=.

5.Bc4 Ne7

6.a3 Ba5 7.Nc3 Bf5 8.g4 (better is 8.Nge2!?=) 8...Bc3–/+ 9.Bc3 Be4 10.Nf3 Nd5 11.Bb2 Nf4 12.0–0?? (better is 12.d3 Bd5 13.Bd5 Qd5 14.Bc1 Ng2 15.Ke2–+) 12...Qd7–+ (12...Qd7 13.h3 Qc6–+) 0–1. Fournier,Frederic (2215) – Mephisto Mondial, Match Active, 2001.

6.a3 Ba5 7.Qh5 g6 8.Qf3 Bf5 (8...Nf5 9.Ne2=) 9.Ne2 (9.g4 Bc2 10.Qf6 Rf8 11.Qe5 Nd7=) 9...Nd7 (worse is 9...Bc2 10.Qf6 Rf8 11.Qe5+=) 10.0–0 (10.Bd3 Bd3 11.Qd3 0–0+=) 10...Nb6 Increases the pressure on d5 (10...Bc2 11.d3+=) 11.Bb3 Qd7 (11...Ned5 12.g4 Bc8 13.c4+=) 12.d4 (12.Bc3 e4 13.Qg3 Bc3 14.Nec3 Ned5+=) 12...e4+= (worse is 12...Ned5 13.de5 0–0–0 14.c4=) 13.Qg3 0–0–0 (13...Nbd5 14.c4 Bg4 15.Nec3 Nc3 16.Bc3 Bc3 17.Nc3+=) 14.c4= h5 (14...Bg4 15.Nbc3=) 15.Qe3 Bg4 16.Ng3 Nf5 (16...f5 17.h3 h4 18.Nh1=) 17.Nf5 (17.Qe4 Rde8 18.Qc2 Ng3 19.fg3 Bf5+=) 17...gf5 (worse is 17...Qf5 18.h3 g5 19.Bc3 (19.hg4 hg4 20.Rc1 Qh7–+) 19...Bc3 20.Nc3+/– (20.Qc3?! Be2=)) 18.Bc3 Bc3 (better is 18...Bf3! 19.Qf4 Bc3 20.Nc3 Rdg8–/+) 19.Nc3= Qg7 (19...Rhg8!? 20.Kh1 h4+=) 20.Kh1+= h4 21.h3 Bh5 22.c5 Rdg8 (22...Rhg8 23.Rg1 Na8 24.d6+–) 23.Rg1+– Nd7 (23...Na8!? 24.d6 Bf7 25.Nd5+–) 24.d6 Re8 (24...Bf7 25.Nd5 Bd5 26.Bd5 cd6 27.cd6+–) 25.dc7 Nf8 (25...Qg5 26.Qe1 a6+–) 26.Nb5 Ne6 (26...Ng6 27.Bd5 a6 28.Nd6 Kc7 29.Bb7+– (worse is 29.Nb7 Qd7 30.Nd6 Rb8+–)) 27.Be6 Re6 28.Rab1 (worse is 28.Na7 Kc7 29.Qf4 Kd8 30.Qb8 Ke7 31.Nc8 Kf7+–) 28...Rg8 (28...Re7 29.Nd6 Kc7 30.Rb7 Kd8+–) 29.Qb3 f4 (29...Qd7 30.d5 Ra6+–) 30.Qe6 (30.Qe6 Qd7 31.Nd6 Kc7 32.Rb7 Kd8 33.Qd7) 1–0. DEFFM – GuestPCPZ, freechess.org, 2018.

6.a3 Bc5 7.d4 Bd4 8.Bd4 ed4 9.Qd4 Qd6 (9...Nbc6 10.Qc5 b6 11.Qe3+=) 10.Nc3 (10.Nf3 0–0=) 10...c6 (10...Nbc6 11.Qd1 Na5 12.Bb5 Kf7 13.Bd3=) 11.Ne4 Qe5 (11...Qd7!? 12.d6 Nf5+=) 12.Qe5+/– fe5 13.d6 Nd5 (13...b5 14.Bb3 Ng6 15.Rd1+/–) 14.0–0–0 (14.Nf3 Bf5 15.Ng3 Be6+/–) 14...Be6 (14...Bg4 15.Ne2+/–) 15.Nf3 (15.Nc5 Bg4 16.Re1 Nd7 17.Nb7 Rb8+–) 15...Nd7 16.Neg5 (16.Rhe1 0–0–0+/–) 16...Bg8 17.Bd3 (17.Rhe1 0–0–0+/–) 17...0–0–0 (17...h6!? 18.Ne4 Nf4+=) 18.Bf5+/– h6 19.Ne6 Be6 20.Be6 Nf4 (20...Rde8 21.Bd5 cd5 22.Rd5+/–) 21.Bd7+– Rd7 (21...Kd7 22.Ne5 Ke6+/–) 22.Ne5 1–0. DEFFM – vrotenberg, freechess.org, 2018.

6.c3 (--> 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 Ne7 5.c3 d5 6.ed5).

6.d6 Qd6–/+ 7.Qh5 g6 8.Qh4 Nbc6 9.Ne2 Nf5 10.Qe4 Ncd4 (10...Be6 11.Be6 Qe6 12.a3–/+) 11.Nbc3? (better is 11.Nd4!? Nd4 12.c3=) 11...Qc5 12.Bd3 Nd6 13.Qh4 0–0 14.0–0 f5 (better is 14...Bf5!? 15.Nd4 ed4–/+ (worse is 15...Qd4 16.Qd4 ed4 17.Nd5 Bd2 18.Bd4+=)) 15.Nd4+= ed4 16.Ne2 Bd2 17.Bd4 Qd5 18.Qh6?? (better is 18.Qe7 Bh6 19.Qc7+=) 18…Bh6–+ 0–1. ejdrzej (1715) – prutis, internet, 2012.

6.Qh5 Ng6 7.Ne2 0–0 8.Nbc3 Kh8 9.0–0 c6 10.dc6 (10.a3 Bc5+=) 10...Nc6 11.Kh1 (11.Rfd1 Bd7=) 11...Nd4 (11...Qd2!? 12.Rac1 Qd7–/+) 12.Nd5 Be6 (worse is 12...Nc2 13.Rac1 b5 14.Rc2 bc4 15.Nb4+/–) 13.Bd3 Qd5 14.Bg6 Bg8 15.c4 (15.Nd4 ed4 16.Qd5 Bd5+=) 15...Qc4 16.d3 Qd5 17.Be4 Qf7 (17...Qd6 18.Nd4 ed4 19.Rac1+= (worse is 19.Bb7 Rab8 20.Be4 f5–+)) 18.Qf7 Rf7 19.Bd4 (19.Nd4 ed4 20.Bd4 f5+=) 19...ed4+= 20.Rab1 (20.Nd4? Bc3 21.Nf5 Ba1 22.Ra1 Rc7–+) 20...Bc5 21.Bb7 Re8 22.Ng3 Rfe7 23.a4 Bb6 24.Ba6 g6 25.Ne4 Kg7 (25...Rf8 26.Rfc1+=) 26.Kg1 (26.Nd6 Rf8=) 26...Bd5 (26...Bc7!?–/+) 27.Nd6= Rd8 (27...Rb8 28.Bc4=) 28.Nc8 Re6 29.Nb6 Rb6 30.Rb6 ab6 31.Rb1 Rd6 32.f4 Kf7 33.Rc1 Rc6 34.Rb1 Ke6 35.g4 Kd6 36.Rb2 (36.Bb7 Rc3 37.Bd5 Kd5 38.Rb6 Rd3 39.Rf6 Ra3=) 36...Rc1 37.Kf2 Kc6 38.Rb4 (38.Bb5!? Kc7 39.h4+=) 38...Rc2–/+ 39.Kg3 (39.Kf1!?–/+) 39...Rg2–+ 40.Kh3 Rf2 41.Bc4 (41.Rd4? Kc5 42.Rd5 Kd5 43.Bc4 Kd4–+) 41...Rf3 (41...Bh1!? 42.Kh4 Rf4–/+) 42.Kg2+= Rd3 43.Bd5 Kd5 44.Rb6 f5 45.gf5 gf5 46.Rh6 Ke4 47.Rh7 Ra3 48.Kf2 (48.h4!?+=) 48...Ra4–/+ 49.h4 Kf4 (49...Ra2!? 50.Kg3 Ra3 51.Kf2 Kf4–/+) 50.Ke2+= Ra3 51.Rd7 Re3 52.Kd2 Re4 (better is 52...Ke4+=) 53.h5?? (better is 53.Kd3=) 53...Kg5–+ 54.Rh7 0–1. Nikishin,Sergey (2050) – Beglaryan,Araik (2120), Chess Tournament, 2012.

6.Qh5 Ng6 7.Ne2 c6 8.dc6 Nc6 9.f4 Bc5?? (9...ef4 10.Nf4 Qe7 11.Kd1 Kd8 12.Ng6 Qe4 13.Nh8 Bg4 14.Qg4 Qg4 15.Be2 Qe6=) 10.f5+– Bf5 11.Nbc3?? (better is 11.Qf5 Qb6 12.Qe6 Nce7 13.Qb6 Bb6 14.Bd3+–) 11...Bc2–+ 12.Na4?? Bb4 13.Nac3 Bd3 14.0–0 Bc4 15.Ne4 Be2 16.Qe2 Nd4 17.Qc4 Qb6 18.Kh1 Ke7 19.Bd4 Qd4 20.Qc7 Qd7 21.Qc4 a5 22.a3 Rac8 23.Qb3 Bd6 24.Rad1 Nf4 25.d4 Qg4 26.Ng3 h5 27.de5 Be5 28.Rfe1 h4 29.Qb7 Rc7 30.Re5 fe5= 31.Qc7 Kf6 32.Rd6 Kg5?? 33.Qg7 Ng6 34.Qg6 Kf4 35.Rf6 (35.Rf6 Qf5 36.Qf5 Ke3 37.Rd6 e4 38.Qe4 Kf2 39.Qe2; 35.Qe4 Kg5 36.Rg6) 1–0. ejdrzej – borbagato, internet, 2011.

6.Qh5 Ng6 7.Ne2 Bd6 8.Bd3+= Kf7 9.0–0 Qe8 10.Nbc3 Bd7 11.f4 Kg8 12.Rae1 (12.Ne4 Qf7+/–) 12...Nf8 (12...Qf7!?+=) 13.Qf3+/– h5 14.h3 h4 15.fe5 (15.Ne4 a6+/–) 15...fe5 (15...Qe5!? 16.Qf4 Na6 17.Qe5 Be5+/–) 16.Ne4+/– Rh6 17.Nd4 Be7 (17...Qe7 18.Bc4+/–) 18.Nf5 Bf5 19.Qf5 Rh5 (19...Nbd7!?+–) 20.Qg4 Nbd7?? (20...Kh8+–) 21.d6! (21.d6 g6 22.Bc4 Kg7 23.de7 Qe7 24.Rf7 Qf7 25.Bf7 Kf7 26.Ng5 Kg7 27.Ne6 Kf7 28.Rf1 Nf6 29.Ng5 Kg8 30.Rf6 Re8 31.Qc4 Kg7 32.Qf7 Kh6 33.Ne6 Re6 34.Qf8 Kg5 35.Re6 e4 36.Re5) 1–0. Jacobi,KH – Krons,KH, corr, 1975.

6.Qh5 Ng6 7.Ne2 Qd7!?=.

6.Qh5 g6

7.Qf3 Nd7 8.Bb3 Bd6 9.Ne2 Nf5 10.h4 (10.0–0 Nc5 11.d4 e4=) 10...Qe7 Black launches an attack 11.d3 Nc5 12.Nd2 Bd7 13.h5 g5 14.g3 (14.Ne4 g4 15.Qg4 Nb3 16.cb3 Bb4 17.N2c3 Nd4=) 14...g4–/+ 15.Qg2 (15.Qg4? Nb3 16.cb3 Nd4–+) 15...a5 16.a3 (16.Ne4 a4 17.Bc4 Rb8+=) 16...Nb3–/+ 17.Nb3 c6 18.Nc3 a4 19.Nd2 Nd4 20.Kd1 0–0 21.Re1 f5 (21...Rfc8 22.Nc4 Nf3 23.Nb6 Ne1 24.Ke1+=) 22.Ncb1 Qf6 23.c3 Nb3 24.Nb3 ab3 25.Nd2 e4 26.de4 fe4 27.Ne4 Qf5 28.Re2 Ra5 (28...Qd5? 29.Rd2 Qh5 30.Nd6+– (30.Rd6?! Bf5+=)) 29.c4 Be5 30.Rc1 (better is 30.Be5 Qe5 31.Rc1 Ra3 32.Nd2 Qh5 33.Re7–/+) 30...Bb2–+ 31.Rb2 cd5 (31...Qh5?! 32.Rd2–/+ (32.Rb3? cd5 33.Nc3 dc4–+); 31...Ra3?! 32.Nc3–/+) 32.Nd2 (32.Nd6 Qe5 33.c5 Qb2 34.Qd5 Kh8 35.Nf7 Rf7 36.Qf7 Qd4 37.Ke1 Qe4 38.Kf1 Ra8–+) 32...Bc6 (32...Qe5!? 33.Rb3 Ba4 34.Qf1–+) 33.Qf1 Ra3 34.cd5 (34.Rcb1–+) 34...Bd5 35.Nc4 (35.f4 gf3 36.Qf2–+) 35...Rd8 36.Ke1 Bf3 37.Re2 (37.Rd2 Rd2 38.Kd2 Ra2 39.Kc3–+) 37...Qc5 38.Rb2 White threatens to counter with Qe2 38...Qb4 (38...Qb4 39.Nd2 Qe7 40.Ne4 Qe4 41.Qe2 Be2 42.f3 Qe3 43.Rb3 Bd3 44.Kd1 Qe2) 0–1. Schiffler,L – Rikman,Mikhail Petrovich, corr URS–DDR, 1966.

7.Qh4 (--> 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 Ne7 5.Qh5 g6 6.Qh4 d5 7.ed).

7.Qh6 Nd5 8.Qg7 Rf8 9.Qh7 Be6?? 10.Qg6+= Bf7 11.Qe4 Nf4? (better is 11...Nc6+=) 12.Bf7+– Rf7 13.Qb4 Ng2 14.Kf1 Nf4 15.Nf3 c5?? 16.Qb5 Nc6 17.Nc3 Qd7 18.h4 a6 19.Qc4 Qg4 20.Rg1?? Qf3+= 21.Rg8 Rf8–+ 22.Rg3 Qh1 23.Rg1 Qh4 24.Nd5–/+ Qh3 25.Ke1 Qd7 26.Nf4+= ef4 27.Qf4 Kd8 28.Bf6+/– Kc8 29.Rg7?? Qe6 30.Kd1 Qf6?? 31.Qc7 1–0. elektrooon – suitmaker50, internet, 2012.

7.Qh6 Nd5 8.Qg7 Rf8 9.Qh7 Ne7 10.c3 Bc5 11.Nf3 Bg4 12.d4 (better is 12.Nh4!?+=) 12...Bf3–/+ 13.gf3 ed4 14.0–0 Nbc6 15.Re1 Ne5 16.Nd2 Nc4 (better is 16...d3–+) 17.Nc4+= Qd5 18.Nd2?? (better is 18.cd4 Bb4 19.Ba3 Ba3 20.Na3+=) 18...Qg5–+ 19.Kf1 0–0–0 (better is 19...Qd2 20.Qg6 Kd7–+) 20.Ne4= Qf5 21.Nc5 Qc5 22.Qe7 (22.Re7 Qb5 (22...dc3?! 23.Ba3 Qa3 24.Rc7 Kb8 25.Rb7 Ka8 26.Rb3 Qa6 27.Kg2+=) 23.Kg2 Qb2 24.cd4 Rh8–+ (24...Qa1?? 25.Rc7 Kb8 26.Rb7 Ka8 27.Ra7 Kb8 28.Qb7; worse is 24...Rd4 25.Rc7 Kb8 26.Rcc1+=)) 22...Qc4 (better is 22...Qb5!? 23.Qe2 d3=) 23.Qe2 d3 (23...d3 24.Qe6 Qe6 25.Re6 b5+/–). emeryt85 – batman111, internet, 2013.

7.Qh6 Nd5 8.Qg7 Rf8 9.Qh7 Nf4 10.g3 Bd2?? (better is 10...Be6 11.Be6 Ne6 12.Qg6 Kd7 13.Qd3 Bd6+/–) 11.Nd2+– Ng2 12.Kf1 Qd2 13.Qg6 Ke7 (13...Kd8 14.Kg2 Nd7 15.Ba3+–) 14.Kg2 (better is 14.Ba3 Kd8 15.Bf8 Ne3 16.fe3 Nd7+–) 14...Be6 (14...Qd6 15.Nf3+–) 15.Nf3 (better is 15.Ba3 Kd7 16.Be6 Ke6+–) 15...Qb4 16.Be6 Qb2 17.Bd5 c6 18.Rab1 Qc3 (18...Qa3 19.Qg7 Ke8 20.Qb7 cd5 21.Qc8 Kf7 22.Rb7 Qe7 23.Re7 Ke7 24.Qc5 Ke8 25.Qd5+–) 19.Rb7 Nd7 20.Qg7 Kd6 (20...Rf7 21.Qf7 Kd6 22.Qd7 Kc5 23.Qc6#) 21.Qd7 (21.Qd7 Kc5 22.Qc6#) 1–0. ferminkatcho (1820) – tatahani1, internet, 2011.

7.Qh6 Nd5 8.Qg7 Rf8 9.Qh7 g5?? 10.Qg6+/– Rf7 11.Qg8 (11.h4!? g4 12.h5+/–) 11...Bf8+= 12.Nf3 c6 13.Qg6 b5 14.Bb3 a5 15.a3 c5 16.Nc3 c4–/+ 17.Ba2? Nc3?? 18.Bc3+= Nc6 19.Qe4?? f5?? 20.Qc6+– Bd7 21.Qd5 Be7 22.0–0 e4 23.Ne5 Rf6 24.Nd7 Qd7 25.Qd7 Kd7 26.Bf6 Bf6 27.Rad1 Kc6 28.d3 Kc5 29.de4 fe4 30.Rfe1 Re8 31.g3 b4 32.ab4 ab4 33.f3! Ra8 34.Bb1 Bd4 35.Kg2 ef3 36.Kf3 c3 37.Re4 Rf8 38.Kg4 Bf6 39.Ba2 Rh8 40.Bb3 Rh2 41.Rd5 Kc6 42.Re6 Kc7 43.Rf6 1–0. elektrooon – prutis, internet, 2012.

5.Bc4 Bf5

6.c3 Bd6 7.Ne2 Ne7 8.0–0 Nd7 9.d4 e4 10.Bb3 Bg4 11.c4 b6 12.Nbc3 f5 13.Qd2 Ng6 14.Nb5 Nh4 (14...Be7 15.f3 ef3 16.gf3+=) 15.Nd6 cd6 16.f3 (better is 16.Nf4!? Qg5 17.Qe3+=) 16...ef3–/+ 17.Nf4 fg2 18.Qe3 Qe7 19.Qe7 Ke7 20.Rfe1 Kf7 21.Re6 g5 22.Nd3 (22.Rd6 Ke7 23.Re6 Kd8 24.Ng2 Nf3 25.Kf2 Nh2 26.Rh1+=) 22...Rhe8–/+ 23.Rd6 Re2 Threatening mate: Nf3 24.Rd7 Kg8 25.Ne5? (25.Ne1 Rae8 26.Bc3–+) 25...Re8 (25...Re8 26.Rd8 Rd8–+; 25...Rb2 26.d6 Nf3 27.Nf3 Bf3 28.c5 Kh8 29.Rc7+/–) 0–1. Grund,Karl – Zakhariev, corr ICCF EU/M/Gr/267 (year?).

6.Qf3 Bc2 7.a3 (7.Na3 Bg6 8.Qb3 a5 9.Nb5 Ne7 10.a3 Bc5 11.Nf3 a4 12.Qa2 c6 13.dc6) 7...Bd6 8.d3+= (8.Nc3 Nd7 9.d3 Nc5 10.Rc1 Bb3 11.Ne4 Bc4 12.Rc4 Ne4 13.de4) 8...Nd7 9.Nc3 Nc5 10.Qe2 Bb3 11.Ne4 Bc4 12.dc4 Ne7 13.Nf3.

6.Qf3 Qc8 7.Qb3 = White threatens to win material: Qb3xb4 (7.Na3 Ne7 8.Ne2 (8.Qb3 Bd6 9.Ne2 0–0 10.0–0 Nd7 11.Rab1 Nc5 12.Qe3 Bg6 13.Rfe1) 8...Nd7 9.Ng3 Nb6 10.Qb3 Bd6 11.0–0 Bg6 12.d3 Bf7 13.Bb5) 7...Bd6 8.Ne2 (8.d4 Nh6= (8...Nd7 9.Ne2 Nh6 10.0–0 0–0 11.Nd2 ed4 12.Nd4 Nc5 13.Qf3) 9.Ne2 0–0 10.0–0 Nd7 11.Nd2 ed4 12.Nd4 Nc5 13.Qf3; 8.Nf3 Ne7 9.d4 Nd7 10.de5 fe5 11.0–0 0–0 12.Na3 a6 13.Ne5) 8...Ne7 (8...Nd7 9.0–0 Ne7 10.d4 0–0 11.Nd2 a5 12.a4 ed4 13.Nd4) 9.0–0 0–0 (9...Nd7 10.d4 0–0 11.Nd2 a5 12.a4 ed4 13.Nd4) 10.f4 (10.d4 Na6 11.Na3 ed4 12.Bd4 b6 13.Nb5) 10...Nd7 (10...ef4 11.Nf4 Nd7 12.Na3 Nc5 13.Qe3) 11.fe5 Ne5 12.Ng3 (12.Be5 fe5 13.Nbc3 Ng6=) 12...Bg6 (12...Nc4 13.Nf5) 13.Be2 (13.Be5 fe5 14.Rf8 Qf8 15.Qb7 Rd8 16.Qa7 Qf4=) 13...Bf7 14.c4 (14.Nc3 Bc5 15.Kh1 Bd4+=) 14...b5 15.cb5 Bd5 16.Qc2 Kh8 (better is 16...c6!?+= should not be overlooked) 17.Nc3 +/= Bc4 18.Nce4 (18.d4 Be2 19.Qe2 Ng4+=) 18...Be2 = 19.Ne2 Qg4 Black threatens to win material: Qg4xe2 (19...Qd7 20.a4=) 20.N2g3 (20.Rae1 Rfe8+=) 20...f5 (20...Rfb8 21.a4=) 21.Nd6 (21.d4 N5g6 22.h3 Qh4 23.Nd6 cd6 24.Nf5 Nf5 25.Rf5 Rf5 26.Qf5 Rf8+=) 21...cd6 = 22.Qc7 White threatens to win material: Qc7xe7 (22.Qd1 Qg5=) 22...N7g6 Black prepares f4 23.Qd6 Nc4 24.Qd4 Nb2 25.Qb2 f4 26.Qd4 (26.Qb4 h5 27.Nh1 Qg5+=) 26...h5 27.Nh1 Rad8 Black threatens to win material: Rd8xd4 28.Qc3 (28.Qe4 Qg5 29.d4 Rfe8+=) 28...Nh4 –/+ Black prepares the advance f3 29.Rf2 f3 30.g3 (30.h3!? must be considered 30...Qd7 31.Qc6–/+) 30...Ng6 –/+ 31.Raf1 (31.h3 Qh3 32.Raf1 Rc8–/+) 31...Nf4 –+ 32.Qe3 ?? simply worsens the situation (better is 32.Rf3 Ne2 33.Kg2 Nc3 34.Rf8 Rf8 35.Rf8 Kh7 36.dc3 Qe2 37.Rf2 Qb5 38.h4–+) 32...Nh3 0–1. Myslowski,Karol (1930) – Bobrowski,Piotr (2005), Polonia–B Warsaw, 1978.

6.Qf3 Ne7 A) 7.a3 Bd6 8.d3 (8.Nc3 Bc2 9.d3 Qd7 10.Qe2 Ba4 11.d4 0–0 12.de5 fe5 13.Nf3) 8...Nd7 9.Ne2 Nb6 10.Bb3 a5 11.0–0 a4 12.Ba2 0–0 13.Nbc3; B) 7.Qb3 a5 8.Ne2 Nd7 9.0–0 Nc5 10.Qg3 Bc2 11.a3 Na4 12.Bb5 Kf8 13.Ba4.

6.Nf3 Ne7 7.c3 Bd6 8.d4+=.

6.Nf3 Ne7 7.Nc3 Nd7 8.Nh4=.

6.Nf3 Ne7 7.Nh4 Bg6 (better is 7...Be4!?+=) 8.Ng6+= hg6 9.Qf3 Nd7 10.Nc3 (10.a3 Bc5=) 10...a6 11.0–0 (11.Be2!?=) 11...Nb6+= d5 draws heavy fire 12.Bb3 Qd7 (12...Bc3 13.dc3 Qd6 14.c4+=) 13.a3 Bc3 14.dc3 Qf5 (worse is 14...Ned5 15.Rfd1+–; 14...Nbd5 15.Rfd1+–) 15.Qf5 gf5 16.c4 0–0–0 17.a4 Rh4 18.Ba3 Ng6 19.Rfd1 (better is 19.g3 Rh3 20.Rfd1=) 19...f4 (19...Rdh8 20.h3 Kd7+=) 20.c5+/– Nd7 21.c6 Nb6 (21...Nb8!?+/–) 22.a5+– Na8 (22...Rdh8 23.d6 Rh2 24.Be6 Kb8 25.dc7 Kc7 26.ab6 Kb6+–) 23.cb7 Kb7 24.Rab1 f3 25.d6 cd6 26.g3 Rh6 27.Bd5 (worse is 27.Bd6 Nc7 28.Bd5 Kc8 29.Bb7 Kd7 30.Ba3 Ke6 31.Rd8 Nb5 32.Bc8 Kf7+–) 27...Kc7 28.Rb7 Kc8 29.Rdb1 (better is 29.Rg7 Nc7 30.Bc1 (worse is 30.Bf3 Nh4 31.gh4 f5+–) 30...Nd5 31.Rd5+–) 29...Nc7 30.Bf3 Do you see the mate threat? 30...f5 31.Rb8 Kd7 32.Rd8?? (better is 32.Bc6! Ke7 33.Rd8 Kd8 34.Rb8 Ke7 35.Rb7+–) 32...Kd8+/– 33.Bd6 Nb5 34.Rb5! ab5 35.a6 Kd7? (35...Nh4 36.a7 Nf3 37.Kg2 e4 38.a8Q Kd7+–) 36.a7 Rh8 (36...Ne7+–) 37.Bb8 (37.Bb8 e4 38.Be2+–) 1–0. Danielian,Elina (2330) – Vardanian,Haik, Yerevan op, 1996.

6.Nf3 Nh6 7.0–0 c5 (7...0–0+=) 8.Ne5?? (better is 8.a3 Ba5 9.Nh4+/–) 8...fe5= 9.Be5 (9.Qh5 Kd7 10.f4= (10.Be5?? Bg4 11.Bc7 Bh5 12.Bd8 Kd8–+)) 9...0–0–/+ 10.c3 Ba5 11.Na3 (11.Bg3 Nd7–/+) 11...Nf7 (11...Nd7 12.Bd6 Re8 13.Qb3–/+) 12.f4 a6 (12...Ne5 13.fe5 g6 14.e6+/–) 13.Qf3 (13.d6 Nc6 14.Qh5 Bg6–/+ (14...Nce5?! 15.fe5 Bg6 16.Qg4=)) 13...Nd7–/+ (worse is 13...Ne5 14.fe5 Nd7 15.d6 Kh8 16.Qb7+/–) 14.Rae1? (better is 14.d6 b5 15.Bd5–/+) 14...b5–+ 15.Bb3 (15.Qg3 g6 16.Bb3 Nb6–+) 15...c4 16.Bd1 (16.Nc4 bc4 17.Bc4–+) 16...Nfe5 17.fe5 Bd3 (17...Bd3 18.Qg3 Bb6 19.Kh1 Rf1 20.Rf1 Bf1–+) 0–1. Feofanov,Alexander – Skokov,Boris, Half_Omsk_CCC_, 2009.

6.f4 ef4 7.Ne2 Bd6 8.0–0 Nd7 (8...c6 9.Kh1+=) 9.Nd4 Nh6 10.Re1 Kf8 11.Ne6 Be6 12.de6 Ne5 13.Bb3 Ke7 14.d4 Neg4 15.h3 (15.Qf3 c6+=) 15...Ne3 16.Qf3 c6 17.Nd2 a5 18.a4 g5 19.Ne4 Nhf5 20.Nd6 Nd6 (20...Qd6?? 21.Ba3 Qa3 22.Ra3 Nd4 23.Qe4+–) 21.Ba3 b6 (21...Rb8 22.g3+=) 22.Qc6+/– Rc8 23.Qe4 Nc2?? (better is 23...f5 24.Qe5 Rg8 25.Re3 fe3 26.Qf5 Rf8 27.Qh7 Ke8 28.Qg6 Ke7+–) 24.Bc2+– 1–0. orangutanb4 (1980) – mmih1 (1835), internet, 2011.

6.f4 ef4 7.Ne2 Qe7+=.

6.f4 ef4 7.Qf3? Qe7 (7...Bc2 8.Ne2 Qe7 9.Qf4–/+) 8.Ne2 (8.Kd1 Be4 9.Qh5 g6–/+) 8...Bc2–+ 9.Nbc3 Nd7 10.Nb5 Nb6 11.Rc1 Nc4 12.Rc2 Nd2 13.Rd2 Bd2 14.Kd2 Qb4 15.Nec3 0–0–0 16.Rb1 (16.Na7? Kb8 17.Rb1 Ka7–+) 16...Nh6 (better is 16...Qa5!?+=) 17.Ba3 Qa5 18.Bc5 a6 (18...b6 19.Be7 c6 20.Nd6 Rd6 21.Bd6 Rd8 22.Qf4 cd5+–) 19.Na7 Kd7 20.Qh3 f5 21.Bd4 Rde8 (21...Rhg8 22.Rb7 Rde8+–) 22.Rb7 (22.Bg7 Rhg8 23.Qh6 Qc5 24.Rb7 Rg7 25.Qg7 Re7+–) 22...Ng4 23.Qd3 (23.Bg7?! Qc5 24.Qh5 Qf2 25.Kd3 Re3 26.Kc4 Rc3 27.Kc3 Qc5 28.Kb2 Qd5+–) 23...Ne3 24.Be3 fe3 25.Ke2 Rhf8 26.d6 Ke6 27.dc7 (27.Rc7?! Qb4 28.Qa6 Qb2 29.Kd3 Qd2 30.Kc4 Rd8+– (30...Qd6?? 31.Rc6 Qc6 32.Nc6+–)) 27...Qc5 (27...f4 28.Qe4 Kf6 29.Qf4 Ke6 30.c8Q Rc8 31.Qe3 Qe5 32.Re7 Ke7 33.Qe5 Kf7 34.Nc8 g5 35.Ne4 Rc8 36.Nd6 Kg8 37.Qg5 Kf8 38.Qf6 Kg8 39.Nc8 h5 40.Ne7 Kh7 41.Qf7 Kh6 42.Qg6) 28.c8Q (better is 28.Qa6 Qd6 29.Rb6 Qb6 30.Qb6 Kf7+–) 28...Rc8 29.Qd7 Ke5 30.Qg7 Rf6 (30...Ke6 31.Nc8 Rc8 32.Qf7 Ke5 33.Re7 Kd4 34.Rd7 Ke5+–) 31.Re7 (31.Re7 Qe7 32.Qe7 Re6 33.Qg7 Kd6 34.Nc8 Kc6 35.Qf7+–) 1–0. Katalymov,Boris N – Berenstein, SU, 1978.

5.f4 Nd7

6.a3 A) 6...Bc5 7.Nc3 (7.Ne2 Bd6 8.Nbc3 Ne7 9.g3 0–0 10.Bg2 Nb6 11.0–0 Nc4 12.Rb1) 7...Ne7 8.fe5 fe5 9.Bc4 Nf5 10.Nf3 0–0 11.Qe2 Nb6 12.Ne4; B) 6...Bd6 7.Nf3 (7.fe5 fe5 8.Nf3 Ngf6 9.Nc3 0–0 10.Bb5 a6 11.Be2 e4 12.Ng5) 7...ef4 8.Nd4 Qe7 9.Be2 Qe4 10.0–0 Qd5 11.Nb5 Ne7 12.N1c3.

6.fe5 fe5 (6...Ne5 7.a3 Bd6 8.Nf3 Ne7 9.Ne5 fe5 10.Qf3 Rf8 11.Qh5 g6 12.Qh7) 7.Qg4 (7.Qh5 Kf8 8.Nc3 Ngf6 9.Qh4 Qe7 10.0–0–0 Nd5 11.Qe7 Ne7 12.Nf3) 7...Qe7 8.Nf3 Ngf6 9.Qe6 Qe6 10.de6 Nc5 11.c3 Ba5 12.Ne5.

6.f5 Nb6 7.Qh5 (7.Qg4 Qe7 8.a3 Bd6 9.Nc3 Nh6 10.Qh5 Qf7 11.Bb5 Kf8 12.Qf7) 7...Kf8 8.c4 (8.Bd3 Qd5 9.Ne2 Ne7 10.Nbc3 Qf7 11.Qg4 Bc5 12.Rf1) 8...Ne7 9.g4 (9.a3!? Bc5 10.d4 (10.Nf3 Na4 11.d4 Bb6 12.de5) 10...ed4 11.Bd3 Bf5 (11...Na4 12.Bc1) 12.Bf5–+; 9.Nf3 Nf5 10.Nh4 Ne3 11.Ng6 Kg8 12.Nh8) 9...Nbd5!–+ (9...Ned5 10.Bc3 Bc5 11.Nh3 Nc3 12.Nc3) 10.Nh3 (10.cd5 Qd5 Combination 11.Nc3 Qh1 12.0–0–0; 10.Qh3 Nf4 11.Qb3 Bc5 12.Nh3) 10...Ne3 11.Nc3 N3f5?? (better is 11...Nc2 12.Kd1 Na1 13.Ba1 Bd7–+) 12.gf5= Bf5 13.0–0–0 (13.Bg2!?+=) 13...Qd4 14.Nd5?? (better is 14.Rg1+=) 14...Ba3!!–+ 15.Nc3 (15.Ba3 Qa1 Mate attack) 15...Bb2 16.Kb2 Bg4 17.Qh4 Bd1 (better is 17...Bf3 18.Qd4 ed4–+) 18.Qd4 ed4 19.Nd1 Kf7 20.Nf4 c6 (20...g5 21.Nd3–+) 21.Bh3 g5 22.Ne6 (22.Be6 Kg7 23.Rg1 f5 24.Rg5 Kf6–+) 22...g4! 23.Bg4 f5 24.Nc7? (24.Nd4 fg4 25.Rf1 Kg6 26.Ne6–+) 24...Rac8 (24...fg4?! 25.Rf1 Kg6 26.Na8 Ra8 27.Rf4–/+) 25.Bh5 Ng6 26.Rf1 Kf6 27.Nf2 (27.Nb5 cb5 28.cb5 Ne5–+) 27...Rc7 28.Ne4 Ke5 29.Nc5 Kd6 (better is 29...Re7 30.Kc2–+) 30.Rf5 Rf8 31.Rg5 Re8 (31...Nf4 32.Ne4 Kd7 33.Bg4 Kd8 34.Nd6–+) 32.d3 (32.Bg6 hg6 33.Nb3–+) 32...Re5 33.Ne4 Ke7 34.h4 (34.Bg6 Rg5 35.Ng5 hg6–+) 34...Rg5 35.hg5 Nf4 36.Bg4 Nd3 37.Kb3 Kf7 (37...Kd8 38.Kc2 Ne5 39.Be2–+) 38.Bf5 Ne5 (better is 38...Kg7 39.Nd6 Nc5 40.Kb4 Na6 41.Ka5 Re7 42.Nb7 Re5 43.Ka6 Rf5–+) 39.Nf6 (39.Bh7 Ng4 40.Bf5–+) 39...h6! 40.Ne4 (40.gh6 Kf6 Deflection) 40...hg5 41.Ng5 (41.a3 g4–+) 41...Kf6 42.Ne6 Re7 (42...Rd7 43.Nc5 Kf5 44.Nd7 Nd7 45.c5–+) 43.Nd4 c5 0–1. Tagirov,Kajum K (1900) – Nigmatzjanov,Artur, Sterlitamak RUS, Open (8), 2011.

6.f5 Nh6 7.Nc3 Nf5 8.Qg4 Bc3 9.Bc3 Nb6 10.Bd3 g6 11.Ne2 Qd5 12.Qf3.

5.Qh5 Kf8

6.Bc4 Nh6 7.Nc3 Na6 8.Nge2 (8.a3 Ba5 (8...Bg4 9.Qh4 Ba5 10.Nge2 Be2 11.Ne2 Nc5 12.Nc3+=) 9.Ne4 (9.Nh3 Bf5 10.Rc1 Qd7 11.Bb5 Qd6 12.0–0=; 9.Rc1 Nc5 10.Nh3 Bg4 11.Qh4 Nd7 12.Na4=; 9.Nge2 Nc5 10.Rb1 Bg4 11.Qh4 Be2 12.Be2=; 9.Rb1 Bf5 10.Qd1 Nc5 11.Nf3 Nd7 12.0–0=) 9...Bf5 10.Qe2 c6 11.dc6 Be4 12.Qe4+=) 8...Be7 (8...Bf5 9.Rc1= (9.f4 ef4 10.0–0 Qd6 11.Rf4 Bg6 12.Qh4=) 9...Qd6 10.Ng3 Bc3 11.Bc3 Bg6 12.Qf3+=; 8...Bg4 9.Qh4 Nc5 10.a3 Ba5 11.Ng3 a6 12.f3=; 8...Nc5 9.0–0 (9.a3 Ba5 10.a4 Bg4 11.Qh4 Be2 12.Ne2=; 9.f4 Bg4 10.Qh4 Be2 11.Be2 Nf5 12.Qf2=; 9.Rc1 Bg4 10.Qh4 Be2 11.Ne2 Nf5 12.Qg4=; 9.Rb1 Bf5 10.Rc1 Ne4 11.Qh4 Nd6 12.Bb3=) 9...Bg4 10.Qh4 Be2 11.Ne2 Bd2 12.Ba3+=; 8...Qd6 9.0–0 (9.a3 Bc3 10.Nc3 Nc5 11.d3 a6 12.Ne4+=; 9.Ne4 Qd8 10.a3 Bg4 11.Qh4 Nc5 12.ab4+=) 9...Bg4 10.Qh4 Be2 11.Be2 Bc3 12.Bc3+=; 8...Nb8 9.Rb1 (9.a3 Bg4 10.Qh4 Be7 11.0–0 Nd7 12.f4+=; 9.0–0 Bg4 10.Qh4 Nd7 11.a3 Be7 12.f4+=; 9.f4 Bg4 10.Qh4 Nd7 11.0–0 f5 12.Qg3+=) 9...Bf5 10.a3 Be7 11.Bc1 Bc2 12.Rb7+=) 9.f4 (9.Ba6 ba6 10.h3 (10.f4 Bg4 11.Qh4 Be2 12.Ke2+=) 10...Rb8+= 11.Rb1 Nf5 12.0–0+=) 9...Bg4 (9...Nb4 10.Rc1 Bg4 11.Qh4 f5 12.Qf2+=) 10.Qh4 f5 (10...Nb4 11.Rc1 f5 12.Qf2+=) 11.Qf2 Bc5 (11...Nb4 12.Bb3+=) 12.d4 Be2 13.Ne2 (worse is 13.Be2 Bd4 (worse is 13...ed4 14.Na4+=) 14.Qf3 e4–+; 13.Qe2 ed4 14.Nb5 Qh4 15.g3 Qf6+=) 13...Ng4 14.Qg3 Bb4 15.c3 Be7 16.h3?? (better is 16.0–0 e4 17.Rab1+/–) 16...Bh4–+ 17.hg4 Bg3 18.Ng3 b5 19.Ba3 (19.Bb5 Qd5 20.Ba6 Qg2 21.0–0–0 Qg3 22.Ba3 c5 23.Bc5 Ke8 24.Bb5 Kd8 25.de5 Kc8 26.Kc2 Qg2 27.Kc1 fg4 28.Bd6 Qa2 29.Bd3–+) 19...c5?? (better is 19...Kf7 20.Bb3 ef4 21.Nf5 b4 22.cb4 g6 23.d6 Kf6–+) 20.dc6–/+ b4 21.Bb2 (21.fe5 ba3 22.0–0 Qa5 23.Nf5 Nc5 24.Nd6 Ke7 25.Rf7 Kd8+–) 21...ef4 (21...ed4!? 22.cd4 Qe8 23.Be2 Nc7–/+) 22.0–0+= g6 (22...fg3?? 23.Rf5 Ke8 24.Re1 Qe7 25.Re7 Ke7 26.Ba6+–) 23.Rf4 Qd6 24.Raf1 Nc7 (24...Qc6!? 25.d5 Qb6 26.R1f2 Ke7=) 25.cb4+/– Qb4 (25...Qc6? 26.d5 Nd5 27.Bd5 (27.Bh8?! Nf4 28.Rf4 Qd6=) 27...Qd5 28.Bh8+–) 26.Bb3 Nd5 27.Rf5 (27.Re4 Nc3 28.Re3+/–) 27...gf5–/+ 28.Rf5 Ke8 29.Rd5 Rc8 30.Rc5 Qd2 31.Bc3 Qc1 32.Kh2 h5? (better is 32...Qh6 33.Nh5 Rc7+= (33...Rc6? 34.Ba4 Qd6 35.Kh3+–)) 33.Re5 Kd8 34.Ba5 Rc7 35.gh5 (35.Bc7?! Kc7 36.gh5 Qf4+/–) 35...Rh6 (35...Rhh7 36.Bc7 Kc7 37.Rf5+–) 36.Ne2 (36.d5 Qf4 37.Bc7 Kc7 38.Re7 Kd6 39.Rd7 Kc5+–) 36...Qf1 (36...Qc6 37.Nf4 (37.Bc7?! Qc7 38.g4 Qc6+–) 37...Kc8 38.Be6 Re6 39.Re6+– (39.Ne6?! Rh7+/–; 39.Bc7?! Re5 40.Be5 Qc2+/–)) 37.Be6 Re6 (37...Qf2 38.Bd7 (38.Bc7?! Kc7 39.Bh3 Rc6+=) 38...Rh8 39.Bh3+–) 38.Re6 (38.Bc7?! Kc7 39.Re6 Qf2+–) 38...Qf5 (38...Qf7 39.Rh6 (worse is 39.Bc7 Kc7 40.Re5 Kc6+–) 39...Qg8 40.Nf4+–) 39.Re5 (worse is 39.Bc7 Kc7 40.Re5 Qf8+–) 39...Qf8 40.g3 (better is 40.Ng3 Qf4 41.Kh3 Qd4+–) 40...Kc8 41.Bc7 Kc7 42.Nf4 Kc6 43.Re6 Kb5 44.h6 (44.Kh3 Qb4 45.d5 Qb1+–) 44...a5 (44...Qh8+–) 45.Re5 (45.Re5 Kc4 46.h7+–) 1–0. Smolensky,Yury Andreyevich – Sirobaba,Fyodor L, corr USSR, 1981.

6.Bc4 Nh6 7.Nc3 Nd7 8.a3 (8.Nge2 Nb6 9.Bb3 a5 10.a3 Bc5 11.a4 Bg4 12.Qh4=) 8...Nb6 9.ab4 Nc4 10.Bc1 Bg4 11.Qh4 Nd6 12.f3=.

6.Bc4 Nh6 7.Nc3 Bf5 A) 8.a3 A1) 8...Bc5 9.Bb3 (9.Qe2 Nf7 10.Bd3 Bd3 11.Qd3 Nd6 12.Nge2= ; 9.d3 c6 10.Bb3 Bd4 11.dc6 Nc6 12.Nge2–+ ) 9...Nd7 10.Nge2 Bg4 11.Qh4 Bd6 12.d3=; A2) 8...Be7 9.Qe2 Bd6 10.Bc1 Bg4 11.Nf3 Nd7 12.h3+=; A3) 8...Ba5 9.Rc1 (9.a4 Bb4 10.d3 c6 11.Ba3 Qd6 12.Bb4+= ; 9.Qd1 Nf7 10.Nf3 Nd6 11.Be2 Kf7 12.0–0= ; 9.Bb3 Na6 10.a4 Bb4 11.Qh4 Bd6 12.Ne4=; 9.d3 Nd7 10.Qf3 Nc5 11.Kf1 Nd7 12.Ne4=) 9...Nd7 10.Nge2 Nb6 11.Bb3 Bg4 12.Qh4=; B) 8.Bb3 B1) 8...Nd7 9.a3 (9.Rc1 Nc5 10.Nge2 Nb3 11.ab3 a5 12.Qh4= ; 9.Qh4 a5 10.a3 Bc3 11.Bc3 Nc5 12.Qc4= ; 9.Nd1 Bg6 10.Qe2 Nc5 11.Qb5 a5 12.Bc3+=) 9...Bd6 10.d3 Qe8 11.Qe8 Re8 12.Bc1=; B2) 8...Bd6 9.Nge2 (9.Nb5 Be4 10.Qh3 Na6 11.Nd6 Qd6 12.d4+= ; 9.d3 Bg4 10.Qh4 Bd7 11.Ne4 Nf5 12.Qh5= ; 9.Rb1 Na6 10.d3 Bg4 11.Qh4 Bd7 12.Ne4=; 9.Qh4 Kf7 10.Ne4 Re8 11.Nf3 Kg8 12.Nd6+=) 9...Bg4 10.Qh4 Kf7 11.d3 f5 12.Qd8=; B3) 8...Bc5 9.Nge2 (9.Qe2 Ng4 10.Nh3 Na6 11.Ne4 Nh6 12.Qf3= ; 9.d3 Nd7 10.Nge2 Bg4 11.Qh4 Ke8 12.h3=; 9.Qh4 Qe8 10.Qg3 Na6 11.Nf3 Nb4 12.Rc1=; 9.Qf3 Bd6 10.Ne4 Kf7 11.Nd6 cd6 12.Ne2=) 9...Na6 10.d3 Bg4 11.Qh4 Bd7 12.Ng3+=; B4) 8...Bg4 9.Qh4 Bd6 10.Nb5 Be7 11.Ne2 Be2 12.Ke2=; B5) 8...Na6 9.Qh4 (9.a3 Bc3 10.dc3 Be4 11.Qh3 Nc5 12.c4+= ; 9.Nd1 Bg6 10.Qh4 Nf5 11.Qg4 Kg8 12.Ne3= ) 9...Bd7 10.Nge2 Nf5 11.Qh5 g6 12.Qf3=; C) 8.Rc1 Nd7 9.Nge2 (9.Bb3 Nc5 10.Nge2 Nb3 11.ab3 a5 12.Qh4= ) 9...Nb6 10.Bb3 Qd6 11.Qh4 Rd8 12.0–0=.

6.Bc4 Nh6 7.Nc3 Bg4 8.Qh4 A) 8...Bf5 9.Rc1 (9.Nd1 Bc5 10.Ne3 Be3 11.de3 Bc2 12.Rc1=; 9.Bb3 Bd6 10.Ne4 Kf7 11.Nf3 Re8 12.0–0=; 9.d3 Bd7 10.a3 Nf5 11.Qh5 Ba5 12.0–0–0=) 9...Nd7 10.Nge2 Nb6 11.Bb3 Bd6 12.f4=; B) 8...Nd7 9.Bb3 (9.Be2 Bc3 10.Bc3 Be2 11.Ne2 Nb6 12.Bb4=; 9.Nge2 Nb6 10.Bb3 a5 11.a3 a4 12.ab4=; 9.h3 Bf5 10.Bb3 a5 11.a3 Bc3 12.Bc3=) 9...Bd6 10.d3 Nc5 11.Bc1 f5 12.Qd8=.

5.Qh5 g6

6.Qf3 c6 7.Qb3 Qb6 (7...Qd6 8.a3 Bc5 9.Nc3=) 8.Nc3 Ne7 9.dc6 Nbc6 (worse is 9...Nec6 10.Nd5 Qa5 11.Nf6 Kd8 12.Qd3 Nd7 13.Ne4+–; 9...bc6?! 10.Bc4=) 10.Nf3 (10.Ne4 Rf8 11.c3 f5=) 10...Bf5 11.Na4 (11.Bc4 Bc5 12.Bf7 Kf8 13.Qb6 Bb6+=) 11...Qc7 12.Bc4 0–0–0 (12...Kd8 13.0–0=) 13.a3 Na5 (13...Bd6 14.Rb1 Na5 15.Be6 Kb8–/+) 14.Be6+= Kb8 15.Qb4 Be6 16.Nc5 Bc4 17.Bc3 Nec6 18.Qb2 (18.Qa4 Bd5=) 18...Rhe8 19.d3 (19.Rb1 h6=) 19...Nd4 (19...e4 20.Ne4 f5 21.dc4 Re4 22.Kf1 Nc4 23.Qb5–/+) 20.Bb4 (20.Bd4 ed4 21.Ne4 f5 22.Nd4 Qe5–+ (22...fe4?! 23.dc4 Nc4 24.Qc3+=)) 20...Bb5 21.c4 Nf3 22.gf3 Nc4 23.dc4 Bc4 24.Rc1 Qf7 25.Ba5 (25.Ne4!? Qd5+–) 25...Rd4+/– 26.Rc4 Rc4 (26...Qc4 Theme: Deflection from b7 27.Qb7 A classical mating theme) 27.Bc7! Qc7 Decoy to c7 (27...Kc7 Decoy to c7 28.Qb7 A double attack) 28.Na6 Theme: Double Attack 28...Ka8 29.Nc7 Rc7 30.0–0 Rec8 31.Rd1 (31.Rd1 h6 32.Qd2+–) 1–0. Rohde,Friedhelm – Bartsch, BdF, 1995.

6.Qh4 Ba5 7.Qa4 c6 8.c4 Ne7 9.f4 ef4 10.Bf6 0–0 11.Bc3 Bc3 12.Nc3 cd5 13.cd5 Nd5?? (better is 13...Qd6+=) 14.Qc4?? (14.Nd5 Be6 15.Nc3+– (15.Nf4?! Qf6 16.Rb1 Qf4 17.Qf4 Rf4=)) 14...Rf5 15.Bd3 Rg5?? 16.Be4 Be6= 17.Nf3 Rh5 18.Nd4 Bf7 19.0–0?? Nc6?? 20.Nc6= bc6 21.Qc6 Rc8 22.Qb7 Rc7 23.Qb1 Nc3 24.dc3 Qd6 25.Qd3 Qd3–/+ 26.Bd3 Rc3 27.Rad1 g5 28.Be2 Rh6 29.Rd8 Kg7 30.Rfd1 Ra6?? 31.R1d7 Rc1 32.Kf2 Ra2 33.Re7 Kf6 34.Re4 Bg6 35.Rd6 Kg7 36.Kf3?? Be4 37.Kg4 Re2 (37...Re2 38.Kg5 Rc5 39.Kg4 h5 40.Kh4 Bg2 41.Rd7 Kf6 42.Rd6 Ke7–+) 0–1. bungo – bozakrufka, internet, 2013.

6.Qh4 Bd6 7.Bd3 Kf7 8.Nc3 Ne7 9.0–0–0 (9.Nf3 Nd7=) 9...Bf5 10.Bf5 Nf5 11.Qc4 Nd7 12.Nge2 Nb6 13.Qb3 a5 14.a4 Nd7 (14...Re8 15.Rde1+=) 15.Ne4 Nc5 16.Nc5 (worse is 16.Nd6 cd6 17.Qb5 Qe8+=) 16...Bc5 17.d4 ed4 18.Nd4 Nd4 (18...Bd4 19.Bd4 Qd6 20.Bb2= (20.Qb7? Rhb8 21.Qc6 Qa3 22.Kd2 Nd4 23.Qc7 Kg8–+)) 19.Bd4+= Bd4 20.d6 Kg7 21.Rd4 b6 22.d7 c5 23.Rd6 Qe7 24.Rhd1 Rhd8 25.Qb6 Qe5 26.R6d5 (26.Qc6!?+/–) 26...Qa1 27.Kd2 Qa4 28.Qc5 Rd7 29.Rd7 Qd7 30.Kc1 Qf7 31.Qd5 Rc8 (31...Ra7 32.Qf7 Kf7 33.c4=) 32.Qf7+= Kf7 33.Rd7 Ke6 34.Rh7 Rc5 35.Rh3 Rf5 36.Re3 Kd5 37.f3 Rf4 38.Kb2 Rc4 39.Rc3 Rh4 40.h3 Kd6 41.Re3 Rc4 42.Rd3 Ke6 43.Ra3 a4 44.Re3 ½–½. Petrushin,Maksim – Savintsev,Dmitriy, Berdsk Maestro op, 2008.

6.Bb5 Bd7

7.Qe2 Ne7 8.f4 Nd5 9.fe5 Nf4 10.Bd7 Nd7 11.Qe4 fe5 12.Qb4 Qh4 13.Kf1 Qg4 14.Qb7 Rb8–/+.

7.Qe2 Ne7 8.f4 Nd5 9.fe5 Nf4 10.Bd7 Nd7 11.Qe4 fe5 12.g3 +/–.

6.Qh4 Qd6

7.Bc3 Bc5 8.Bc4 Ne7 9.Nf3 Nd5 10.Bd5 Qd5 11.Qf6 Qe4 12.Kf1+=.

7.Nf3 Nd7 8.Bc4 Ne7 9.0–0 Nf5 10.Qe4 0–0 11.d4 ed4 12.Nd4 Nc5 13.Qe2 Nd4 14.Bd4=.

7.a3 Bc5

8.Bb5 c6 9.dc6 bc6 10.Bc4 Ne7 11.Nf3 Nf5 12.Qe4 Nd7 13.Nc3=.

8.Bb5 Bd7 9.Bc4 b5 10.Bd3 Ne7=+.

8.Nc3 Bf5 9.Bb5 Nd7 10.Ba4 (10.d3 g5 11.Qh5 Bg6=) 10...0–0–0+= 11.Bb3 (11.Nf3 g5 12.Qg3 Ne7+=) 11...g5–/+ 12.Qg3 Ne7 (12...h5 13.d3+=) 13.Qf3 (better is 13.d3+=) 13...e4 (13...h5 14.Rb1–/+) 14.Qe2 (14.Ne4 Be4 15.Qe4 Rhe8=) 14...c6 (14...Ng6 15.Nb5 Qb6 16.a4–/+) 15.dc6 Nc6 16.Nb5 (16.Rb1 Nd4 17.Nb5 Ne2 18.Nd6 Bd6 19.Ne2 Bg4=) 16...Qe7 (16...Qf4 17.Bd5+=) 17.Bd5 Nde5 18.Bc6 (18.Be4 Be4 19.Qe4 Ng4 20.Qe7 Bf2 21.Ke2 Ne7+/–) 18...Nc6 19.Qd1? (better is 19.Rb1!?+=) 19...e3 (19...a6!? 20.g4 e3 21.fe3–+) 20.d4–/+ ef2 21.Kf2 Rhe8 (21...Bb6 22.c4 Ne5 23.Kg3–+) 22.Qf3 Bc2 (better is 22...Be4 23.Qe3 Bb6–/+) 23.Ne2? (better is 23.Rc1+=) 23...Ne5–+ 24.Na7 (24.Qg3 Nd3 25.Kg1 Nb2–/+) 24...Kb8 (24...Ba7 25.Qc3 Qc7 26.Ke1 Nd3 27.Kd2 Nb2 28.Qb2 Re2 29.Ke2 Qc4 30.Kf3 Qd3 31.Kf2 Qd2 32.Kf1 Qf4 33.Kg1 Qe3 34.Kf1 Bd3 35.Qe2 Qe2 36.Kg1 Bd4) 25.Qg3 (25.Nc6 bc6 26.Qg3 Ka8–+) 25...Ka7 (25...Ba7?! 26.Kf1–+) 26.Rad1 (26.Kf1 Nd3 27.Nc3–+) 26...Nd3! 27.Rd3 Decoy theme: d3 (27.Qd3 Bd3) 27...Qe2 Theme: Double Attack 28.Kg1 Bd3 (28...Bd3 29.h3 Bd6 30.Qd6 Rd6–+) 0–1. Mroz,Antoni – Borzynski,Zbigniew, corr Tch8–Poland, 1989.

8.Nc3 Bf5 9.Nf3 Bc2 10.Rc1 Bf5 11.Nb5 Qe7 12.Be5 Qe5 13.Ne5.

6.Qh4 Be7

7.Bc4 Nd7 8.Nc3 Nb6 9.Bb5 Bd7 10.Bd7 (10.Bd3!? f5 11.Qg3+=) 10...Qd7–/+ (worse is 10...Kd7 11.Rb1=; worse is 10...Nd7 11.Nf3=) 11.d4 0–0–0 (11...f5!? 12.Qg3 ed4–/+) 12.de5+= fe5 13.Qh3 Qh3 14.Nh3 Nd5 15.0–0–0 Nb6 16.Rd8 Bd8 17.Re1 (17.f4!?=) 17...Nc4+= 18.Nd5 Nb2 19.Kb2 h5 20.Kb3 c6 21.Nc3 Bf6 (21...Bc7 22.Ne4+=) 22.Ne4= Bg7 (22...Be7 23.Neg5=) 23.Nhg5 (23.Nd6 Kd7 24.Nf7 Nh6 25.Nh8 Bh8+/–) 23...Ne7 (23...Nh6 24.Ne6 Bf8 25.f4+=) 24.Ne6 Rg8 25.Ng7 Rg7 26.Ng5 Nd5 27.Re5 Kd7 28.c4 Nf4 29.g3 Nd3 30.Re4? (better is 30.Ra5 a6 31.f4=) 30...Nc5–+ 31.Kc3 Ne4 32.Ne4 Re7 33.f3 b6 34.a3 Rf7 35.f4 Re7 36.Ng5? (better is 36.Kd3–+) 36...Re2 37.h3 Re3 38.Kd4 Rg3 39.Ke5 Ra3 40.Kf6 Ra4 41.Kg6 Rc4 42.f5 Rf4 43.f6 a5 44.f7 Ke7 45.Kh5 a4 46.Kg6 a3 47.h4 a2 (47...a2 48.Nh7 Rf7 49.Nf6 Rf6 50.Kh7 a1Q 51.Kg7 Qg1 52.Kh7 Qg6 53.Kh8 Rf8) 0–1. druhynejhorsi (1845) – xadannx (1870), internet, 2013.

7.Bc4 f5 8.Qg3 Bf6 9.Be5 Qe7 10.d4 Nd7 11.f4?? (11.Nf3 b5 12.Bd3 Qb4 13.Ke2 Ne5 14.de5 f4+/–) 11...g5 (better is 11...Bh4 12.Qh4 Qh4 13.g3 Qe7–+) 12.Nf3 g4 13.Ng5 Bg5? (better is 13...Ne5 14.de5 h6+=) 14.fg5+– Qb4 15.Nd2 Ne5 16.Qe5 Qe7 17.0–0 Qe5 18.de5 Ne7 19.d6 Ng6 20.e6 cd6 21.Rf5 a6? (21...Ne5 22.Re1 Ke7 23.Bd5+–) 22.Raf1 b5 23.Bb3 (23.Bb3 Ne7 24.Rf6+/–) 1–0. ejdrzej (1660) – bilko, internet, 2012.

7.Bd3 Kf7=.

7.Bd3 Qd5

8.Bg6–/+ hg6 9.Qh8 Qg2 10.Qg8 Kd7 11.Nc3 c6 12.f4 Qh1 13.Qg6 Qh2 14.fe5 Qe5 15.Nge2–/+.

8.Bg6 hg6 9.Qh8 Qg2 10.Qg8 Kd7 11.Nc3 Qh1 12.Qg6 c6 13.h3=+.

4.ed5 Qd5

5.b5 Qe4 6.Ne2 Qb4 7.Bc3 Qb5 8.d4–/+.

5.c4 Qc6 6.b5 (6.a3 Be6=) 6...Qc5 (6...Qe4!? 7.Qe2 Qc2–/+) 7.a4 Be6 8.Ba3 (8.d4 ed4 9.Bd4 Qe7=) 8...Qd4 9.Nc3 (9.Bf8 Kf8 (9...Qa1? 10.Bg7 Ne7 11.Bh8+–) 10.Nc3 Bc4=) 9...Be7 1–0. GuestQSVZ – GuestFRQT, freechess.org, 2018.

5.c4 Qd8 6.a3 c5 7.b5 b6?? (better is 7...Nh6=) 8.Be5?? (8.Qh5 g6 9.Qf3 e4 10.Qe4 Qe7 11.Qe7 Be7+/–) 8...Nd7?? (better is 8...Qe7–+) 9.Qf3+/– Ne5 10.Qa8 Be6 11.Qd8 Kd8 12.d3 (12.d3 Nh6 13.Nc3+–) 1–0. Bonetti,Shane – Rickli, ICC, 2002.

5.Qh5 Qf7 6.Qf7 Kf7 7.Bc4 (7.Nc3 Bb4 8.Nf3 Ne7 9.Ne4 Be6 10.Be5 Bd5 11.Bc3; 7.a3 Be6 8.Nf3 a5 9.b5 Nd7 10.Nc3 Bc5 11.Ne4) 7...Be6 8.Be6 Ke6 9.f4 (9.a3!?= a5 10.b5 Nd7 11.Nf3; 9.b5 Bb4 10.Nf3 Ne7 11.0–0) 9...Bb4–/+ 10.fe5 fe5 11.Nf3 Nc6 12.0–0 Nf6 13.Re1 Rhe8 14.c3 (14.Be5!? Kf5 15.Bf6 Re1 16.Ne1 Kf6 17.Nd3+=) 14...Bd6 15.d4 (15.Na3 e4–+) 15...Kf7 16.Nbd2 ed4 17.Nc4 (17.cd4 Bb4–+) 17...dc3 18.Nd6 cd6 19.Bc3 Re1 20.Re1 Re8 21.Ng5 Kg6 22.Ne6 h6 23.Nf4 Kf7 24.Rb1 Rb8 25.Rd1 Ne4 26.Bb2 Re8 27.Nh5 Ne5 28.Rd4 Nc5 29.Rd6?? (29.Rd1–+) 29...Nc4 30.Rd5 Nb2 31.Rc5 (31.Nf4 b6 32.Rf5 Kg8 33.Nd5–+) 31...Re1 32.Kf2 Nd3 33.Kf3 Nc5 0–1. Miquel Jaureguibeitia,X – Pablo Marin,A (2390), Catalunya–ch, 1994.

5.Qh5 g6 A) 6.Qh4 Nc6 7.Nc3 (7.Nf3 g5 8.Qh5 Qf7 9.Qf7 Kf7 10.Bc4 Be6 11.Be6) 7...Qd4 8.Qd4 Nd4 9.Nd5 Bd6 10.Ne3 Ne7 11.Bd3; B) 6.Nc3 Qd4 7.Qf3 Qb4 8.Rb1 Nc6 9.Nd5 Qd6 10.Bc4 Bf5 11.Qb3.

5.a3 a5

6.Nc3!? Qd8 7.b5=.

6.c4 Qe4 7.Qe2 Qe2 8.Be2 ab4 9.ab4 Ra1 10.Ba1 Bb4 11.Nc3 Nc6 12.Nf3 Nge7 13.0–0 Nf5 14.Bd3 Nfd4 15.Nd4 Nd4 16.f4 0–0 17.fe5 fe5 18.Rf8 Kf8 19.Ne4 Bf5 20.Bc3 (20.Nf2!? Be6 21.Bc3–/+) 20...Bc3–+ 21.dc3 Be4 (21...Ne2! 22.Be2 Be4 23.Kf2–+) 22.Be4–/+ Ne2 23.Kf2 Nc3 24.Bb7 Ke7 25.Ke3 Kd6 26.Kd3 Na4 27.Be4?? (better is 27.Bf3–/+) 27...Nc5–+ 28.Ke3 Ne4 29.Ke4 Kc5 30.Ke5 (30.Kd3 Kb4 31.c5 Kc5–+) 30...Kc4 31.Ke6 c5 32.Kf7 Kb3 33.Kg7 c4 34.Kh7 c3 35.g4 c2 36.g5 c1Q 37.g6 Qg5 38.g7 Qh5 39.Kg8 Kc4 40.h4 Kd5 41.Kf8 Qf5 42.Ke8 Qg6 43.Kf8 Ke6 44.g8Q= Qg8 45.Kg8 Kf6 46.Kh8 Kg6 47.Kg8 Kh5 48.Kh8 Kh4 ½–½. brother – m3011 (1655), internet, 2013.

6.c4 Qe4–/+ 7.Qe2 Qe2 8.Be2 ab4 9.ab4 Ra1 10.Ba1 Bb4 11.Nc3 Ne7 12.Nb5 Na6 13.Bc3 Bc3 14.Nc3 Kf7 15.Nf3 Rd8 16.0–0 Nc6 17.d3 Nab4 18.Rd1 Bf5 19.Nb5 Bd3 20.Bd3 Nd3 21.Nc7 e4 22.Ne1 Nb2 23.Rb1 Nc4 24.Rb7 (24.Rc1 N4e5 25.Kf1–+) 24...Rd7 25.f3 Nd6 26.Rb6 Rc7 27.fe4 Ne4 28.Nd3 Ne5 29.Ne5 fe5 30.Kf1 Nc3 31.Kf2 e4 32.Rb3 Nd5 33.Rb5 e3 34.Kf3 Ke6 35.Ra5 (35.Rd5 Kd5 36.Ke3–+) 35...Rf7 36.Ke4 (36.Ke2 Rf2 37.Kd1 Nc3 38.Ke1 Re2 39.Kf1 Rd2 40.Ra6 Kd5 41.Ra5 Kd4–+) 36...e2 37.Ra6 Kd7 38.Kd5 e1Q 39.Ra7 Ke8 40.Ra8 Ke7 41.Ra7 Kf6 (41...Kf6 42.Rf7 Kf7–+) 0–1. typ48 – acermax (1690), internet, 2012.

5.a3 a6

6.Nc3 Qe6 7.Bd3 Qc6 8.Be4 Qe6 9.Bd5 Qf5 10.Be4 Qd7 11.Nge2 f5 12.Bd5 e4 13.0–0 Nf6 14.Ba2 Nc6 15.Nf4 Qd6 16.Nce2 g5 17.Nh3 f4?? (better is 17...Bg7 18.Re1 h6=) 18.Ng5+– Nd8 19.Nd4 (19.Ne4 Ne4 20.Bh8 Be7+–) 19...h6?! (19...Bg7+–) 20.Nge6! Ne6 (20...Be6 21.Ne6 Decoy; 20...Ne6 21.Ne6 Decoy) 21.Nf5?? (better is 21.Ne6 Be6 22.Bf6+–) 21...Qc6?? (better is 21...Qd8 22.f3 c5 23.fe4 cb4 24.ab4 Bb4 25.Be6 Be6 26.Ng7 Kd7 27.Rf4 Qb6 28.Kh1 Bd6 29.Rf6 Qb2+=) 22.Bf6+– Rg8 23.Be5 e3?? 24.de3 Qg2# 0–1. cogit – qbenson, internet, 2012.

6.c4 Qd8 7.c5 Be6 8.Nc3 Nc6 9.Nf3 Nge7 10.Be2 Nd5 11.0–0 Nc3 12.Bc3 Be7 13.d4 e4 14.Ne1 0–0 15.f3 f5 16.fe4 fe4 17.Rf8 Qf8 18.d5 Rd8 19.Bc4 Ne5?? (better is 19...Bc5 20.Kh1 b5 21.de6 bc4–/+) 20.Be5+– Qf5 (20...Bc5 21.bc5 Qc5 22.Qd4 Qd4 23.Bd4 Bd5 24.Be2+–) 21.Qd4 b5 22.cb6 (22.Bc7?! Bf6 23.Qf2 Qf2 24.Kf2 Rf8+–) 22...cb6 23.Bg7 (23.de6?! Rd4 24.Bd4 b5+–) 23...b5 24.Ba2 Bd5 25.Bh8 Qg6 26.Bd5 Rd5 27.Qd5 Kh8 28.Rc1 Kg7 29.Qe5 Qf6 30.Qf6 Kf6 31.Rc6 Ke5 32.Ra6 Kd4 33.g3 e3 34.Ng2 Bg5 35.Kf1 h6 36.Rd6 Ke5 37.Rd7 Ke4 38.Ke2 Ke5 39.h4 Bf6 40.Ne3 Ke6 41.Rb7 Ba1 42.g4 Kf6 0–1. typ48 – antoniusz555, internet, 2012.

5.a3 c5

6.b5 c4 7.a4 Bc5 8.Nc3 Qd4 9.Qh5 g6 10.Qf3 Bg4 11.Qg3 Nh6 (11...Ne7 12.Nf3 Nf5 13.Nd4 Ng3 14.hg3 Bd4 15.Bc4+/–) 12.Nge2 (12.Nf3 Nf5 13.Nd4 Ng3 14.hg3 Bd4 15.Bc4 Nd7+/–) 12...Be2 13.Be2 (worse is 13.Ke2 Ng4 14.Nd1 Qe4 15.Ne3 Ne3 16.fe3 Nd7+=) 13...Nf5 (better is 13...Nd7!?=) 14.Qf3+/– Qd7 (better is 14...Nd7!?+/–) 15.Bc4 Rf8 16.0–0 Nd4 17.Qe4 Qc7 (17...a6+–) 18.Nd5 Qd6 19.Bd4 Bd4 20.c3 Bb6 21.d4 (better is 21.a5!? Bc7 22.Nb4 Nd7 23.Qb7 Rb8 24.Qa7 e4+–) 21...Nd7 22.a5 (22.Nb6?! Nb6 23.de5 fe5+–) 22...f5 23.Qh4 Bd8 24.Qh7 e4 (24...Rc8 25.Bb3 e4 26.a6+–) 25.g3 (better is 25.Nf4! Bc7 26.Ng6 Rf6+–) 25...Rc8 26.Ba2 (26.Bb3 Bg5+–) 26...Be7? (better is 26...Ba5 27.Bb3 Bb6+–) 27.Ne7 Qe7 28.Qe7 Ke7 29.c4 Nf6 30.d5 Kd6 31.Rad1 Rh8 32.Kg2 Rh7 33.Rc1 Rch8 34.c5 Kc7 35.d6 Kb8 36.Rh1 g5 37.h3 e3 38.fe3 Ne4 39.Bd5 Nf6 40.Be6 f4 41.ef4 gf4 42.gf4 Rg7 43.Kf3 Rh4 44.Rcg1 Rhh7 45.Bf5 Rg1 46.Rg1 Rh8 47.Rg6 Nd5 48.c6 bc6 49.bc6 a6 50.c7 (50.c7 Nc7 51.dc7 Kc7 52.Ra6+–) 1–0. typ48 – ceco1802, playok.com, 2012.

6.Nc3!? Qd8 7.bc5 Bc5 8.Ne4=.

6.Nc3 Qe6=.

6.c4 Qc6 7.b5= Qc7 8.Qh5 g6 9.Qd1 Bg7 10.Nf3 Ne7 11.Nc3 Be6 12.Qb3 0–0 13.Nd5 (13.Be2!?=) 13...Bd5–/+ 14.cd5 Kh8 15.Bc4 Nd7 16.0–0 Qd6 Attacking the isolated pawn on d5 17.d3 Nb6 The pressure on the isolated pawn grows 18.Nd2 Nbd5 (better is 18...f5!?+=) 19.Ne4+= Qd7 20.Nc5 Qc8 21.Bd5 Nd5?? (better is 21...Qc5 22.Bb7 Rab8+/–) 22.Qd5+– Rd8 23.Qc4 b6 24.Ne6 (24.Ne6 Qc4 25.dc4+–) 1–0. typ48 – woka30, internet, 2013.

6.c4 Qc6 7.b5= Qe6 8.Nf3 a6 9.Nc3 Nd7 10.Be2 (10.Bd3 Bd6=) 10...b6 (10...e4 11.Ng1=) 11.Nd5 (11.Qc2 Bd6=) 11...Ra7 12.a4 Bb7?? (12...Ne7 13.Ne3=) 13.Ne3 (better is 13.Nc7 Kf7 14.Ne6 Ke6 15.Qb3+–) 13...ab5 (13...Bd6 14.0–0+=) 14.ab5= Ra1 15.Qa1 Ne7 16.Qa7 Bf3 17.Bf3+/– e4 18.Qa8+– Kf7 19.Be4 Ne5 20.Be5 Qe5 21.0–0 g6 22.Bd5 Kg7 23.Ng4?? Qg5? 24.h3 h5 25.f4 Qh4 26.Nh2 Kh6 27.Qe8 Nf5 28.Qf7 Bg7 29.Bf3?? Rf8 30.Qc7+/– Ng3 31.Qb6 Nf1 32.Nf1+= f5 33.Qc5 Rd8 34.d4?? Bd4–+ 35.Qd4 Rd4 36.Kh2 Qf4 (36...Qf4 37.Kh1 Rc4–+) 0–1. typ48 – dedektori, internet, 2013.

6.c4 Qd6 7.b5 b6 8.Qf3 e4 9.Qe4 Qe6 10.Bd3 f5 11.Qe6 Be6 12.Nc3 a6 13.a4 (13.Nf3 Nf6+–) 13...Nd7 14.Nf3 Ngf6 15.Ng5 Ke7 16.0–0 h6? (better is 16...Ne5 17.Bc2 Bc4+/–) 17.Ne6 Ke6 18.Rfe1 Kf7 19.Bf5 Bd6 (19...ab5 20.Be6 Kg6 21.ab5+–) 20.Be6 Kg6 (20...Kf8 21.a5+–) 21.Nd5 (better is 21.Bd7 Nd7 22.Re6 Kf7 23.Rd6 Ne5+–) 21...Ne5 (21...Rhe8 22.Bd7 Nd7 23.Re8 Re8 24.ba6+–) 22.Nf6 (better is 22.Be5 Be5 23.Re5 ab5 24.Nb6+–) 22...gf6 23.f4 (23.Bd5 Ra7+–) 23...Nd3 24.Reb1?? (better is 24.Ra3 ab5 25.Rd3 Bf4 26.Re4+–) 24...Nb2+/– 25.Rb2 Bf4 26.Rb3 ab5 27.cb5 Bd2?? 28.Rg3+– Kh5 29.Bf7 Kh4+/– 30.Raa3 f5? 31.Rg6 Bg5 32.Rh3 Kg4 33.Kf2 Ra4+= 34.Rf3 Ra2?? 35.Ba2+– f4 36.h3 Kh5 37.Bf7 Kh4 38.Rb6 Rd8 39.Ke2 Rd4 40.Rc6 Rb4 41.Rc5 Rb2 42.Kd3 Rb3 43.Ke4 Rf3 44.Kf3 Be7 45.Rh5 1–0. typ48 (1625) – darekfa, internet, 2013.

6.c4 Qd8 7.b5 Be6 8.Nc3 Nd7 9.Be2 Ne7 10.Bh5 g6 11.Bf3 Rb8 12.d3 Nf5 13.Bd5 Qe7 14.Nf3 Nd4 15.0–0 Bg4 16.h3 Bf3 17.Bf3 f5 18.Nd5 Qd6 19.Bd4 ed4 20.Re1 Kf7 21.Qd2 Re8 22.Re8 Ke8 23.Re1 Kf7 24.Nf4 b6?? (better is 24...Bh6 25.Bd5 Kg7+–) 25.Bd5+– Kg7 (25...Kf6 26.Re6 Qe6 27.Ne6+–) 26.Ne6 Kf6 (26...Kf7 27.Nc7 Qd5 28.Nd5 Bd6+–) 27.Qg5 Kf7 28.Nf8 Kf8 (28...Qd5 29.Qe7 Kg8 30.Ne6 Qe6 31.Re6 Ne5 32.Rf6 Nf3 33.gf3 a6 34.Rf8#) 29.Qh6# 1–0. typ48 – kamer, internet, 2012.

6.c4 Qe4!? 7.Qe2 Qe2 8.Ne2 cb4–/+.

6.c4 Qe4–/+ 7.Qe2 Bf5 8.Nc3 Qc2 9.Nd1 Nd7 (9...cb4 10.f4 ba3 11.Bc3–/+) 10.g4 Be4 (10...Qe4 11.f3 Qe2 12.Ne2+=) 11.f3 (better is 11.Rc1!? Qb2 12.Nb2 Bh1 13.Nd3+/–) 11...Bg6+= 12.h4 (12.Rc1 Qb3 13.bc5 Bc5+=) 12...Nb6 (better is 12...cb4!? 13.h5 ba3 14.Be5 fe5 15.hg6 Qg6–/+) 13.h5= Bf7 c4 seems the pivot of the position 14.bc5 Bc5 15.d3 0–0–0?? (better is 15...Qe2 16.Be2 Rd8+=) 16.Qc2+– g6 17.Ne2 gh5 18.gh5 Nh6 19.a4 Nf5 (19...Be6 20.f4 Ng4 21.a5+–) 20.a5 (20.Bh3 Be6 21.d4 Bb4 22.Kf2 Nd4 23.Bd4 ed4 24.Be6 Kb8+–) 20...Na8 21.Ba3 Bd4 22.Rb1 Rhg8 23.Qb3 Rd7 24.Bc1 1–0. cogit – biulica, internet, 2012.

6.c4 Qe4!? 7.Ne2 cb4–/+.

6.c4 Qe6 7.b5 b6 8.Nc3 Bb7 9.Nf3 Bd6 10.d3 Nd7 11.Be2 Ne7 12.0–0 0–0 13.Ne4 Bc7 14.a4 h6 15.Bc3 f5 16.Ng3 Rad8 17.Qc2 e4 18.de4 Bg3 19.hg3 Be4 (worse is 19...Qe4 20.Qb2 Qg4 21.Rad1+=) 20.Qb2 Nf6 21.Ne5 g5 22.a5 Ra8 (22...Nd7 23.Rfe1+=) 23.a6 Rad8 24.Rad1 Kg7 25.Rd8 Rd8 26.Re1 Ng6 27.Bf3 (27.Ng6!? Kg6 28.g4+–) 27...Ne5+= 28.Be4 (28.Be5 Bf3 29.gf3 Kf7+=) 28...fe4 (better is 28...Nc4 29.Qc2 fe4 30.Re4 Rd1 31.Kh2 Rd2–/+) 29.Be5+= Qf7 (29...Re8 30.Re4 Kg6+=) 30.Re4 (better is 30.Qc2+/–) 30...Rd1+= 31.Kh2 Qh5 32.Rh4 gh4 33.Bf6 Kf8 (33...Kg6 34.gh4 Rd6 35.Be7–/+) 34.Bh4 (34.gh4 Kf7=) 34...Rd7 (34...Rd4!?+=) 35.Qf6 Rf7?? (better is 35...Kg8=) 36.Qh8 1–0. typ48 – absolwent20, playok.com, 2012.

6.c4 Qf7 7.Qa4 Bd7 8.b5 Bd6 9.Nc3 f5 10.Nf3 Ne7 11.d3 0–0 12.Be2 Na6 13.0–0 Nc7 14.Rae1 h6 15.h3 Ne6 16.Nd5 Nd5 17.cd5 Nd4 18.Nd4 ed4 19.Bf3 a6 20.Qb3 ab5 21.Qd1 Rae8 22.Bh5 g6 23.Re8 Re8 24.Bf3 Kg7 25.Re1 Re1 26.Qe1 Qe7 27.Qa5 b6 28.Qd2 Qe5 29.Bc1 g5 30.g3 Be8 31.h4 f4 32.hg5 hg5 33.gf4 gf4 34.Be4 Bf7 35.Qe2 Kf6 36.Qg4 Qg5 37.f3 Qg4 38.fg4 Ke5 39.Kg2 Bd5 40.Kf3? Be4 41.de4 c4 42.Bf4 Ke6 43.Bd6 Kd6 44.g5 Ke6 45.Kf4 c3 46.e5 c2 47.g6 c1Q 48.Ke4 Qc2 49.Kd4–+ Qg6 (49...Qg6 50.Kc3 Qb1 51.Kd4 Qb2 52.Ke4 Qa3 53.Kf4 b4 54.Ke4 b3 55.Ke3 b2 56.Ke2 b1Q 57.Kf2 Qc2 58.Ke1 Qac1#) 0–1. typ48 – gallaja, internet, 2012.

6.c4 Qf7 7.b5 b6 8.Be2 Bb7 9.Bf3 Nh6 10.Bb7 Qb7 11.Qf3 Qf3 12.Nf3 Nd7 13.0–0 Bd6 14.Nc3 Nf5 15.Nd5 Kf7 16.h3 (16.Rfe1 a6 17.a4 Rhd8=) 16...Rhe8 17.Rae1 Rad8 18.g4 Ne7 19.Ne7 Re7 20.Nh4 g6 21.Re4 Nf8 22.Bc3 Ne6 23.Ng2 Nd4 24.Bd4 ed4 25.Rfe1 Re4 26.Re4 Re8 (26...Ra8!? 27.a4 a6+=) 27.Re8= Ke8 28.d3 Ke7 29.f4 Ke6 30.Kf2 f5 31.Kf3 Kf6 32.g5 Kg7 33.h4 h6 34.Ne1 hg5 35.hg5 Kf7 36.Nc2 Ke7 37.a4 Ke6 38.Ne1 Kf7 39.Ng2 Ke6 40.Kg3 Kf7 41.Kh4 Kg7 42.Kg3 Kf7 43.Kf3 Ke6 44.Ne1 Kf7 45.Kg3 Ke6 46.Nf3 Bc7 47.Nd2 Bd6 48.Nb3 Bc7 49.Kf3 Kd6 50.Nc1 Ke6 51.Ne2 Kd6 52.Ng1 Ke6 53.Nh3 Kf7 54.Nf2 Ke6 55.Nh1 Kf7 56.Ng3 Ke6 57.Nf1 Kf7 58.Nd2 Ke6 59.Ne4?? fe4–+ 60.Ke4 Bd6 61.Kf3 Kf5 62.Kg3 Bf4 63.Kf3 Bg5 64.Kg3 Be3 65.Kf3 g5 66.Kg3 Bf4 67.Kf3 Bh2 68.Kg2 Bf4 69.Kf3 g4 70.Kf2 Bc1 71.Kg3 Bf4 72.Kf2 Bd6 73.Kg2 Kf4 74.Kf2 g3 75.Kg2 Ke3 (75...Ke3 76.Kg1 Kf3 77.a5 Bf4 78.a6 Be3 79.Kh1 g2 80.Kh2 g1Q 81.Kh3 Qg3) 0–1. typ48 – welurk3, playok.com, 2012.

6.c4 Qf7 7.b5 b6 8.Nc3 Bb7 9.Nf3 Nh6 10.Bd3 Nd7 11.Be4 (better is 11.Qe2=) 11...Be4–/+ 12.Ne4 Nf5 (better is 12...Qc4!? 13.Qe2 Qe2 14.Ke2 a6–/+) 13.d3 Be7 14.0–0 0–0 15.Nc3 Rfd8 16.Nd5 Nf8 17.Qe2 Rd7 18.Rad1 (18.Ne7?! Ne7 (18...Qe7? 19.Qe4 Rad8 20.Qf5+–) 19.Rae1 Qh5=) 18...Ne6?? (better is 18...Rad8+=) 19.Qe4+– (19.Ne7?! Ne7 20.Be5 Rad8+=) 19...Nfd4 (19...Bd6 20.Qf5 Nc7 21.Nc7 Bc7 22.Rfe1+–) 20.Ne7 Qe7 21.Qa8 Rd8 22.Qe4 g6 23.Nd4 Nd4 24.f4 1–0. typ48 – gallaja, internet, 2012.

6.c4 Qf7 7.b5 b6 8.Nf3 Bb7 9.Be2 Nh6 10.0–0 Bd6 11.d3 Nd7 12.Nbd2 0–0 13.Ne4 Be7 14.h3 Rfd8 15.Qc2 Nf8 16.Nh2 Nf5 17.Bg4 Nd4 18.Bd4 Rd4 19.Bf3 Rad8 20.Rad1 Ne6 21.Nc3 Nf4?? Exerts pressure on the backward pawn (better is 21...R4d7 22.Bb7 Nd4=) 22.Bb7+– Nd3 (22...Qg6 23.Ne2 Nh3 24.Kh1 Rd3 25.Rd3 (25.gh3 Rd1 26.Be4 Rf1 27.Nf1 Qh6+=) 25...Qd3 26.Qd3 Nf2 27.Rf2 Rd3 28.Rf3 Rd1 29.Nf1+–) 23.Rd3! Rd3 24.Nd5?? (better is 24.Bd5 R8d5 25.Nd5 Ra3 26.Qf5+–) 24...R3d5?? (better is 24...Ra3 25.Ng4 Kh8+=) 25.Bd5+– Rd5 26.cd5 Qd5 27.Rd1 Qe6 28.Qd3 g6 29.Qd5 Qd5 30.Rd5 c4 31.a4 c3+= 32.Rd7?? c2–/+ 33.Rc7?? Bc5–+ 34.Ng4 c1Q 35.Kh2 Qf4 36.g3 Qf3 37.Nh6 Kf8 38.Ng4 h5 39.Rc8 Ke7 40.Rc5 bc5 41.Ne3 Qf2 42.Ng2 e4 43.h4 e3 44.Kh3 e2 45.Nf4 Qf4! 46.gf4 e1Q 0–1. typ48 – gallaja, internet, 2012.

5.a3 Nc6

6.Nc3 Qf7=.

6.c4 Qd8 7.Qh5 g6 8.Qh4 Bg7 9.Nc3 (9.Nf3 Nh6+=) 9...Nd4–/+ 10.Rc1 Nf5 (10...Bf5!? 11.Nd5 Nc2 12.Kd1 c6+=) 11.Qe4= Nd6 12.Qd3 Bf5 13.Qe2 Ne7 (13...Bh6!? 14.Nf3 Be6=) 14.c5+= Nf7 15.Qb5 Bd7 (15...Kf8 16.Nf3=) 16.Qb7+= Bc6 (16...0–0 17.Qa6+=) 17.Qa6 (17.Bb5 Bb5 18.Nb5 Rc8+–) 17...0–0 18.Nf3 (18.b5!? Bd7 19.Bc4+/–) 18...Bf3 19.gf3 c6 20.Bc4 Kh8 21.Bf7 Rf7 22.Ne4 Nf5 (22...Rf8!?+/–) 23.Qc6 Rc7 24.Qe6 Re7 (24...Qd3!? 25.Rc3 Qb1 26.Bc1 Nd4+/–) 25.Qc4+– Nh4 26.Qe2 (26.Nd6 Nf3 27.Ke2 Nd4 28.Bd4 ed4 29.Kd3 Qd7+–) 26...f5 (26...Ng2!? 27.Kd1 Nf4+/–) 27.Nd6+– e4 (better is 27...Ng2 28.Kf1 Nf4+–) 28.Bg7 Kg7 29.Kf1 (29.fe4 fe4 30.Rc4 Ng2 31.Kd1 Qd7+–) 29...ef3 (better is 29...Nf3!? 30.d3 Re5 31.de4 fe4+/–) 30.Qc4+– g5 31.Rg1 h6 32.Qh4 Re2 33.Qd4 Kg6 34.Qd5 Qf6 35.Qf3 Rd2 36.Rd1 Rd1 37.Qd1 Qb2 38.Qd3 Rf8 39.h4 g4 40.Rg3 h5 41.Re3 Rf6 42.Qd5 (42.Qd5 Rf8 43.Re6 Kh7 44.Re7 Qg7 45.Nf5 Qe7 46.Ne7 Rf2 47.Kf2 g3 48.Ke3 Kg7 49.Qg8 Kf6 50.Nd5 Kf5 51.Qg5 Ke6 52.Qe7 Kd5 53.Qe4) 1–0. typ48 – czuchraj, internet, 2013.

6.c4 Qe4 7.Ne2+=.

6.c4 Qe6 7.Nc3 Nge7 8.Be2 g6 9.Ne4 b6 10.Rc1 Bg7 11.c5 Nd4 12.Nf3 Ne2 13.Qe2 (worse is 13.Ke2 Ba6 14.d3 0–0–0–/+) 13...0–0 14.0–0 Qf7 15.d4 ed4 16.Nd4 a5 (better is 16...Nd5+=) 17.cb6+– cb6? (17...ab4 18.ab4 (18.bc7?! Ba6 19.Nb5 ba3+=; 18.Rc7?! Ba6 19.Qe1 Bf1 20.Qb4 Nd5 21.Rf7 Nb4 22.Rg7 Kg7 23.Ne6 Kf7 24.Nf8 Rf8 25.Kf1 Nc6+/–) 18...Nd5 19.bc7 Nc7 20.Nd6+–) 18.Rc7 (18.Nd6 Bg4 19.Qg4 f5+–) 18...Re8 (18...ab4 19.Nd6 Ba6+–) 19.Nc6 (19.Nd6 Nd5 20.Qe8 Qe8 21.Ne8 Nc7 22.Nc7 Rb8+–) 19...Be6?? (better is 19...Bf5 20.Bf6! Bf6 21.Nf6 Qf6 22.Ne7 Kh8 23.ba5 ba5+–) 20.Nd6+– Qf8 (20...Nc6 21.Nf7 Bf7+–) 21.Qe6 Kh8 22.Nf7 Qf7 23.Qf7 Nf5 24.Qb3 Re2 25.g4 Nh6 26.Re7 Rd2 27.h3 Rc8 28.b5 Rf8 29.Bd4 Rd4 30.Nd4 f5 31.Ne6 fg4 32.Rg7 Re8 33.Qd5 Nf5 34.Qe5 Re6+– 35.Qe6 Kg7 36.hg4 Nh4 37.Rd1 Kh6 38.Qe3 g5 39.Rd5 Ng6 40.Qg5 Kg7 41.Rd7 Kg8 42.Qf6 Ne7 43.Qg7! Kg7 (43...Kg7 44.Re7 Kf6 45.Rh7 Kg5+–). typ48 – konil, internet, 2012.

6.Nf3 Qe4 7.Be2 Bg4 (7...Qf4 8.d3=) 8.0–0 (8.Nc3 Qf5+=) 8...Bd6 (8...0–0–0 9.b5 Nce7 10.Nc3=) 9.Nc3 Qg6 10.d3 Qh6 (10...Nh6 11.h3 Bh3 12.Nh4=) 11.Ne4 f5 12.Nd6 cd6 13.c4 0–0–0 14.Rc1 Nf6 15.c5 dc5 16.Rc5 Kb8? (better is 16...Nd7 17.Rc1 Kb8+=) 17.Ne5+– Be2 18.Nc6 Ka8 (18...bc6 19.Qe2 Nd7 20.Rf5+–) 19.Qe2 (better is 19.Nd8 Rd8 20.Qe2+–) 19...bc6 20.Rc6 Qh4 (20...Qf4 21.Bf6 gf6 22.Rc4+–) 21.Qf3 Nd5 22.Rfc1 (better is 22.Bg7 Rhe8 23.Qf5+–) 22...g5 (22...Qf4 23.Rc8! (23.Bg7 Qf3 24.gf3 Rhg8+=) 23...Kb7 24.Rd8 Rd8 25.Qh5+–) 23.Qf5 (better is 23.Rc8! Kb7 24.Be5+–) 23...Rhf8 24.Rc8 Kb7 25.Qe4 (better is 25.Qf8 Rf8 26.Rf8+–) 25...Qf2 26.Kh1 Qf1!! (26...Qf1 27.Rf1 Rf1) 0–1. ourang – couba, internet, 2012.

5.a3 Bd6

6.c4 Qe4 7.Ne2 (7.Qe2 Qe2 8.Ne2 Be6+=) 7...b6 (7...Qc4 8.d4–/+) 8.Nbc3 (8.d4 ed4 9.Qd4 Qe7=) 8...Qf5 (better is 8...Qc4!? 9.Rc1 Ne7+=) 9.Ng3 Qe6 10.h3 (10.Nb5 Qd7+/–) 10...Ne7 11.Nh5 (11.Nge4!? c6 12.Nd6 Qd6 13.Ne4+=) 11...0–0+= 12.Be2 Nf5 (12...a5 13.b5+=) 13.0–0 (13.Bg4 e4=) 13...Nd4 14.Bd3 (14.Ne4 Bb7 15.Bf3 Nf3 16.Qf3 Kh8= (16...Qc4? 17.Qg4 Qf7 18.Nhf6 Kh8 19.Nh7+–)) 14...g6 (14...a5 15.Nd5 ab4 16.ab4 Ra1 17.Qa1=) 15.Ng3= f5 16.Nd5 (16.Nge2 c5 17.Re1=) 16...e4 (16...c6 17.Nc3+=) 17.Bb1 (17.Bd4 c6 18.Qb3 cd5 19.cd5 Qd7+/–) 17...c6 (better is 17...Qe5!?=) 18.Ne3 (better is 18.Bd4!? cd5 19.cd5+/–) 18…Be5. cogit – ulicznicakica, internet, 2012.

6.c4 Qe6 7.c5 Be7 8.Qc2 Nh6 9.h3 0–0?? (better is 9...Qc6=) 10.Bc4+– Nc6 11.Be6 Be6 12.Nf3 Rad8 13.0–0 Nf5 14.Nc3 Nfd4 15.Nd4 Nd4 16.Qa4 a6 17.Ne4 Bc4 18.Bd4 (18.Rfe1 Ne2 19.Kh2 Nf4+–) 18...Rd4 (18...Bf1 19.Be5 Bg2 20.Kg2 fe5 21.Qa5+–) 19.Rfe1 Bb5 20.Qc2 f5 21.Nc3 (21.Ng3!? e4+–) 21...Bd3 22.Qb3 Bc4 23.Qb2 Bf6 24.a4 Rfd8 25.Rad1 e4 26.b5 ab5 27.ab5 Rd3 28.Qc1 (better is 28.Qc2 Kh8 29.Re3+–) 28...g6 (28...Bb3 29.Ne2+–) 29.Ne2 (better is 29.Ne4 fe4 30.Qc4 Kg7 31.Qe4+–) 29...Bb3 30.Nf4 R3d4 31.d3! Bd1 32.Rd1 Bg5 33.g3 Bf4 34.gf4 ed3 35.c6 b6 36.Qe3 d2 37.Qe6 Kg7 38.Qe7 Kh6 39.Qc7 Rf4 40.Qd8 Rb4 41.Qd2 Kg7 42.Qb4 h5 43.Qd4 Kh6 44.Qf6 f4 45.Qf4 Kg7 46.Rd7 Kg8 47.Qb8 1–0. typ48 – thekillergrob (1635), playok.com, 2012.

6.c4 Qf7 7.Nf3 Be6 8.d3 (8.d4!? ed4 9.c5=) 8...Nc6 9.b5 Na5 (9...Nce7 10.d4 ed4 11.Qa4+=) 10.Be2 (10.Bc3 b6=) 10...b6 11.0–0 Nh6 12.Nc3 0–0 13.Ne4 Be7 14.a4 Rad8 15.Qc2 Nf5 16.Ba3 (16.Bc3 Qg6=) 16...Ba3+= 17.Ra3 Nd4 18.Nd4 Rd4 19.Rc3 h6 (19...Qg6 20.Bf3=) 20.Nd2 (better is 20.f4 ef4 21.Rf4=) 20...f5?? (better is 20...c5+=) 21.Nf3+/– Qf6 (21...Rd6 22.Ne5 Qf6 23.c5 bc5 24.f4+/– (worse is 24.Rc5 Nb3 25.f4 Nc5 26.Qc5 a6+=)) 22.Nd4+– ed4 23.Ra3 Qe7 (23...c5 24.bc6! Nc6 25.Bf3+–) 24.Raa1 Bc8 25.Bf3 g5 (25...Re8 26.Qd1+–) 26.Bd5 Kg7 27.Qb2 Qf6 28.Rae1 h5 29.Qb4 f4 30.Re7 Kh6 31.Rc7 Bf5 32.c5 Bd3 33.Re1 Bf5 34.cb6 ab6 35.Rce7 g4 36.R7e6! Be6 37.Re6 Kg5 38.Rf6 Rf6 39.Qd4 g3 40.fg3 fg3 41.hg3 Kg6 42.Bc6! Kf7 43.Qb6 Kg6 44.Qa5 Kf7 45.Qa7 Kg6 46.Be4 Kg5 47.Qg7 (47.Qg7 Rg6 48.Qg6) 1–0. typ48 – andrus9, internet, 2013.

5.a3 Qe4

6.Ne2 a5 7.Nbc3 Qg4 8.b5=.

6.Ne2 Nc6 7.d3 Qg6 8.Nd2 Be6 9.c4 Nge7 (worse is 9...Qd3 10.Nd4 Qd4 11.Bd4 Nd4 12.Nb3+–) 10.Ne4 Nf5 11.N2g3 Ncd4 12.Bd4 (12.Nf5!? Bf5 13.Bd4 ed4 14.Ng3+=) 12...Nd4–/+ (12...ed4?! 13.Be2 Ng3 14.hg3+=) 13.Qa4 Bd7 14.Qd1 f5 15.Nd2 0–0–0 16.Be2 (16.Nf3–/+) 16...h5 (16...f4 17.Nge4 Qg2 18.Bf3–+) 17.0–0?? (17.Bh5 Qa6 18.b5 Qb6+=) 17...Ne2?? (better is 17...h4 18.Nh1 Ba4–+) 18.Qe2–/+ h4 19.Nh1 h3 20.g3 Bc6 21.c5 e4 22.de4 fe4 23.Rfe1 Rd4 24.b5 Qf5?? (better is 24...Bb5 25.Qb5 Rd2–/+) 25.bc6+– Bc5 26.Nb3 Re8 (26...Rd5 27.Nc5 Rc5 28.cb7 Kb7 29.Rab1 Ka8 30.Qb2+– (30.Qe4?! Qe4 31.Re4 Rb8+–)) 27.Nd4 Bd4 28.cb7 Kb8 29.Rad1 Bc3 30.Rf1 g5 (30...Rf8 31.Rb1+–) 31.g4 Qc5 32.Ng3 1–0. typ48 – gogu37, playok.com, 2012.

6.Ne2 Bf5 7.d3 Qg4 8.Ng3 (8.h3!? Qh5 9.Qd2=) 8...Qd1+= 9.Kd1 Be6 10.Be2 c5 11.bc5 Bc5 12.Ne4 Bb6 13.Nd6 (13.Nbc3 Na6=) 13...Ke7 (13...Kd7 A) 14.Nb7? Bd5–+ (14...Bf2?! 15.Bf3=); B) 14.Ne4+=) 14.Ne4 Nc6 15.Nbd2 f5 16.Ng5 Bf2 17.Ne6 (17.Bf3 h6 18.Ne6 Ke6=) 17...Ke6–/+ 18.Rf1 Be3 19.Nf3 (19.Bf3 Rd8+=) 19...f4 (19...Nf6!?–/+) 20.Ng5 Kf6 21.Ne4 Ke7 22.g3 Nf6 23.gf4 (23.Bf3 g5+=) 23...Bf4 24.Nf6 gf6 (24...Kf6? 25.Rf4 Ke7 26.Re4+–) 25.h3 Rad8 26.Bc3 Nd4 27.Bb4 (27.Bd4 Rd4 28.Rg1 Rf8–/+) 27...Ke6–+ 28.Bf3 Nf3 29.Rf3 Rd4 30.Ke2 Rhd8 31.Rb1 b6 32.a4 (32.Rg1 f5–+) 32...Rc8 33.Kd1 a5 (better is 33...f5!?–+) 34.Bd2–/+ Bd2 (34...Rc6!? 35.Bf4 ef4–/+) 35.Rb6+= Kf7 (35...Rd6!? 36.Rd6 Kd6 37.Kd2 Ke6+=) 36.Rff6 Kg7 37.Kd2 Ra4 38.Rfe6 Ra2 0–1. ourang – kopatropa, internet, 2013.

6.Ne2 g6 7.d3 Qc6 8.Ng3 Bh6 (8...a5 9.ba5 Ra5 10.d4=) 9.c4 Ne7 10.Nc3 0–0 11.Qe2 Bf4 12.Qe4 Qe4 13.Nge4 Nf5? (13...Bf5 14.Ne2 Bh6 15.N2g3=) 14.Be2?? (better is 14.Nd5!? Nd7 15.Nc7+– (15.Nf4?! ef4 16.Be2 Kg7+/–)) 14...Nd4 (14...c6 15.Bg4=) 15.0–0 (15.Nd5 Nc2 16.Kd1 Na1 17.Nef6 Kg7 18.Nc7 Kf6 19.Ba1 b5 20.Na8 Bb7+=) 15...Ne2 (15...f5 16.Ng3 Be6= (worse is 16...Ne2 17.Nge2 c6 18.Nf4 ef4 19.Rfe1+/–)) 16.Ne2+= Bd2?? (better is 16...Bh6+=) 17.Nd2+– 1–0. ourang – mizatake, internet, 2013.

5.a3 Be6

6.Nc3 Qd7 7.Bb5 Nh6?? (better is 7...Nc6=) 8.Bd7+– Bd7 9.Nd5 Bd6 10.Qh5 Nf7 11.Nh3 g6 (11...Be6 12.Qf3 Nc6 13.b5+–) 12.Qh4 g5 (12...f5 13.d4 e4 14.c4+–) 13.Qh5 (better is 13.Nf6 Kd8 14.Ng5 Ng5 15.Qg5 Rf8+–) 13...Nc6 (13...h6 14.Nf6 Kf8 15.0–0+–) 14.Nf6 Ke7 15.Nd7 Kd7 16.Qf7 Ne7 17.Ng5 Raf8 18.Qe6 Kd8 19.Nf7 Ke8 20.Nh8 Rh8 21.Be5 Be5 22.Qe5 Rf8 23.Qc7 Kf7 24.Qb7 Re8 25.0–0 Kf8 26.Qa7 Nf5 27.Qh7 Ng7 28.d4 Re7 29.Qh8 Kf7 30.d5 Kg6 31.c4 Rf7 32.f4 Kf6 33.g4 Kg6 34.f5 Kf6 35.h4 Re7 36.g5 Kf7 37.f6 Ne8 38.fe7 Ke7 39.Rae1 Kd7 40.Qe8 Kc7 41.Rf7 Kb6 42.Re6# 1–0. cogit – igbo2, internet, 2013.

6.c4 Qd7 7.Nc3 Nc6 8.Nf3 Nge7 9.Be2 0–0–0 10.0–0 e4 (better is 10...Ng6+=) 11.Ne4+/– Bg4 (11...Nf5!?+/–) 12.Nc5 Qd6 13.d3 b6 14.Ne4 Qe6 (14...Qd7 15.b5 Na5 16.Nd4 Be2 17.Qe2+– (17.Ne2?! Qd3 18.Qd3 Rd3+=)) 15.Qa4 (15.Nfg5!? Be2 16.Ne6 Bd1 17.Rfd1 Re8+–) 15...Kb8 16.Qa6 (16.c5 f5 17.Ng3 Bf3 18.Bf3 Nd4 19.Bd4 Rd4+–) 16...Qf7 (16...Ng6!? 17.Rfe1 Nf4+=) 17.d4 Bc8 18.Qa4 g5? (18...Re8 19.Rfe1 Ng6 20.Ng3+–) 19.b5 (better is 19.d5 Qg6 20.Bf6 Qe4 21.Bh8 (21.dc6?! Rg8+–) 21...Qe2 22.Qb3+–) 19...Na5 20.Bc3 g4 21.Nfd2 (21.Ba5?! gf3 22.Bf3 ba5=) 21...f5 22.Ba5 (22.Ng3 Nb7 23.c5 Nd5 24.cb6 cb6+/–) 22...fe4+/– 23.Ne4 (better is 23.Bc3 Bg7 24.Ne4+/–) 23...Rd4?? (better is 23...ba5 24.d5 Qf4+=) 24.Nc5?? (better is 24.Bc3 Re4 25.Bd3+–) 24...bc5 (24...ba5!? 25.Rad1 Bg7–/+) 25.Bc3+= Bg7 26.Bd4 Bd4 27.Rab1 Bd7 28.Qd1 Nc8 29.Bg4= Bg4 30.Qg4 Rg8 31.Qe4 Qc4 32.Qh7 Rg7 33.Qh3 Qg8 34.g3 Nb6 35.Qg2 Qa2 36.Rbe1 Qd5 37.Qh3 c4 38.a4 Rg8 39.a5 Nc8 40.a6 c3 41.Qh7 Qc4 42.Re7?? Rf8 (42...Rf8 43.Qe4 Nd6= (43...Qb5?? 44.Rb1 Bf2 45.Kg2 Qb1 46.Qb1 Bb6 47.Re2+–); worse is 42...Ne7 43.Qe7 c2 44.Qa3–+) 0–1. typ48 – tlaloc538, internet, 2013.

6.c4 Qd7 7.c5 c6 8.Nf3 Be7 9.Be2 Nh6 10.0–0 0–0 11.d4 Bd5 (better is 11...e4!? 12.Nfd2 f5=) 12.de5+/– Bf3 13.Bf3 (13.gf3?! fe5 14.Be5 Nf7 15.Qd7 Nd7+=) 13...Qd1 14.Rd1 fe5 15.Be5 Bf6 16.Bf6 Rf6 17.Nc3 Na6 18.Ne4 Rff8 19.Rd7 Rab8 20.Nd6 Rf7 (20...Nf7 21.Rb7 Rb7 22.Nb7 Ne5+–) 21.Nf7 Nf7 22.Rad1 (better is 22.Re1!? Nh6+–) 22...Ne5 23.Rd8 Rd8 24.Rd8 Kf7 25.Be4 g6 26.f4 Ke7 27.Rh8 (27.fe5?! Kd8 28.Kf2 Nc7+–) 27...Nf7 28.Rh7 Kf6 29.h4 Nc7 (29...b6 30.cb6 ab6 31.g4+–) 30.g4 Ne6 (30...Nd5 31.g5 Ke6 32.Bg6 Ng5 33.fg5+–) 31.g5 Ke7 32.Bg6 Ned8 33.f5 Kf8 34.Bf7 Nf7 35.Rf7! Kf7 36.h5 (36.h5 Kf8 37.h6+–) 1–0. typ48 – antoniusz555, internet, 2012.

6.c4 Qd7 7.Nf3 Qf7 (7...Nc6 8.b5 Nd4 9.Nd4 ed4 10.Bd3+=) 8.d3 (8.Qe2 c5=) 8...Nd7 9.Be2 0–0–0 10.0–0 Nh6 11.Qc2 g5 12.Nbd2 (12.d4 g4 13.Nfd2 Bf5=) 12...Nf5 13.Ne4 (13.d4 g4 14.d5 gf3 15.de6 Qe6 16.Nf3 Rg8+=) 13...h5 (13...g4 14.Nfd2+=) 14.c5 (14.d4 g4 15.Ne5 fe5=) 14...Nb8 (14...Bb3 15.Qc3 Bd5 16.Rfc1+=) 15.b5 (15.Nf6 Qf6 16.Be5 Qh6 17.Bh8 Qh8 18.Ng5 Nd4+=) 15...Bd5 (15...Bb3 16.Qb1 g4 17.Nfd2=) 16.b6 ab6 17.cb6 c6 18.Nc3 (18.Qa4=) 18...Nd4 (better is 18...Bf3 19.Bf3 Nd4–/+) 19.Nd4+/– ed4 20.Nd5 Qd5 21.Bf3 Qb5 22.Rab1 Qf5 23.Be4 Qd7 24.a4 Bg7 (24...g4 25.Qc4 f5 26.Qd4 Bd6=) 25.Qc5+/– Qd6?? (better is 25...Na6 26.Qa5 Kb8+–) 26.Bf5+– (26.Bf5 Qd7 27.Bd4+–) 1–0. ourang – majcena, internet, 2013.

6.c4 Qd8 7.Nc3 c6 8.c5 b6 9.Ne4 bc5 10.bc5 Nd7 11.Rc1 Qc7 12.Qa4 Rc8 13.Bc4 Bf5 14.Bg8 Rg8 15.Qc4 Rh8 16.Nf3 Be4 17.Qe4 Bc5 (17...Nc5 18.Qe3 Rb8 19.Bc3–/+) 18.d4 Bd6 (18...Ba3!? 19.Ba3 Qa5 20.Ke2 Qa3 21.Rc6 Qb2 22.Ke3 Qb3 23.Kd2 Qb4 24.Ke3 Rc6 25.Qc6 Ke7+=) 19.0–0= Attacks the isolani on c6 19...Kf7 20.de5 Ne5 21.Nd4 The pressure on the isolated pawn grows 21...Rhe8 22.Qb1 (better is 22.Nb5! Qd7 23.Nd6 Qd6 A) 24.Qh7?? Rh8 25.Rcd1 Qd1 (25...Rh7?! 26.Rd6 Nc4 27.Rd7 Ke6 28.Rb7+=) 26.Qg7 Kg7 27.Rd1 Rcd8–+; B) 24.Rfd1=) 22...Kg8+= 23.Qa2 Kh8 24.f4 Nd3 25.Rc6 Qd7 26.Rc8 Rc8 27.Qe6?? (better is 27.Ba1 Nf4 28.Kh1–/+) 27...Qe6–+ 28.Ne6 Nb2 29.Rb1 Rc2 30.Nd4 (30.Ra1–+) 30...Bc5 31.Kh1 Bd4 0–1. typ48 – szwebs, internet, 2012.

6.c4 Qd8 7.Nc3 Nd7 8.Nf3 Bd6 9.Ne4 Ne7? (9...Be7 10.d4+=) 10.Nd6?? (better is 10.c5 Bc5 11.Nc5 Nc5 12.bc5+–) 10...cd6= 11.Be2 Rc8 12.Rc1 0–0 13.0–0 Nb6 c4 becomes the focus of attention 14.c5 dc5 15.Rc5 Rc5 16.bc5 Nd7 17.d4 e4 18.Nd2 f5 19.Bc4 Bc4 20.Nc4 Qc7 21.Nd6 Rd8?? (better is 21...Nf6+/–) 22.Qb3 Kf8 (22...Nd5 23.Qd5 Kh8 24.Nf7 Kg8 25.Nh6 Kh8 26.Qg8 Rg8 27.Nf7) 23.Qf7 1–0. typ48 (1635) – kochampurpli, internet, 2013.

6.Nf3 Nd7 7.Nc3 Qd6 8.d4 ed4 9.Nb5 Qc6?? (better is 9...Qb6+=) 10.Nfd4+– (10.Nbd4?! Qe4 11.Qe2 Qe2 12.Be2 Bf7+/–; 10.Bd4?! a6 11.Nc3 Ne7+=; 10.Qd4?! A) 10...Qc2?? 11.Rc1 c5 12.Nc7 Kf7 A1) 13.Na8?! Qc1 (13...cd4?? 14.Rc2 Nh6 15.Nc7+–) 14.Bc1 cd4+=; A2) 13.Rc2 cd4 14.Na8+–; B) 10...Nb6+=) 10...Qe4 (10...Qb6 11.Qe2 0–0–0 12.Ne6+–) 11.Qe2 Qe2 12.Be2 (12.Be2 Bd6 13.Ne6+–) 1–0. Woelfelschneider,Peter – Wiederholt, 2009.

5.a3 Bf5

6.Nc3 Qd6 7.Nb5 (7.Qf3 Bc8+= (7...Bc2?? 8.Qb7 Bb3 9.Qa8+–)) 7...Qc6 8.c4 a6 9.Nc3 Nd7 10.Rc1 0–0–0 11.Nf3 Be4?? (11...Ne7 12.d4=) 12.Be2?? (better is 12.b5 Bf3 13.bc6 Bd1 14.cd7 (worse is 14.Kd1 bc6 15.Rb1 Ne7+=) 14...Rd7 15.Rd1+–) 12...Ne7?? (12...Bg6 13.b5 Qb6 14.0–0+=) 13.0–0 Nb6?? 14.Ne4 Qe4+/– 15.d3 Qg6 16.Qc2 Nc6 17.b5 ab5? 18.cb5+– Nd5 19.bc6 b6 20.Qc4 (20.Qc4 Rd6 21.Nh4+–; 20.Qa4 Kb8 21.Qa6 Qg2 22.Kg2 Nf4 23.Kh1 Ne2 24.Qb7) 1–0. ourang – constantin64, internet, 2012.

6.Nc3 Qd8 7.Qf3 Qc8 (7...Ne7 8.Qb7 Nbc6 9.Nb5 Kd7 10.0–0–0 Qc8 11.Qc8 Kc8 12.Nf3 a5 13.ba5) 8.Bc4 (8.Bd3 Ne7 9.Nge2 Bd3 10.Qd3 Nbc6 11.b5 Na5 12.Qe4 Nf5 13.0–0) 8...Ne7 (8...Nc6 9.Nge2 Nh6 10.0–0 Bc2 11.Rac1 Bf5 12.Nd5 Qd7 13.Qh5) 9.Nge2 Nbc6 (9...a5 10.Ne4= (10.Nb5 Nd7 11.Qb3 ab4 12.0–0 Nc5 13.Qe3) 10...ab4 11.0–0 Nbc6 12.ab4 Ra1 13.Ra1) 10.0–0 (10.Ne4 Be4 11.Qe4 Qf5 12.d3 Rd8 13.0–0–0) 10...a6 (10...Bc2 11.d3 Nf5 12.Qd5 Nd6 13.Ne4) 11.Ne4 Ng6 (11...Be6 12.Qd3 Bc4 13.Qc4) 12.d4 ed4 (12...Qd7 13.d5) 13.Nd4 Nd4 14.Bd4 Be7 15.Nc5 Bc2? (better is 15...Bc5!? 16.bc5 Ne7+–) 16.Qd5 1–0. Buettner,Fritz (2445) – Rodolpho,Fares JR, CiF, 2009.

6.Nc3 Qe6 7.Nf3 Nc6 8.Bb5 0–0–0 9.0–0 a6 10.Ba4 Nge7 11.Qe2 Kb8 12.Bb3 Qd7 13.Rfe1.

6.c4 Qd7 7.Nc3 Bd3 (7...Nc6 8.Nf3+=) 8.Nf3 (8.Bd3!? Qd3 9.Qf3 Qf3 10.Nf3+= (worse is 10.gf3 a5+=)) 8...Bf1 9.Rf1 Ne7 (9...Nc6 10.b5 Nd4 11.Nd4 Qd4 12.Qe2+=) 10.Qa4 (better is 10.d4!? ed4 11.Qd4+=) 10...c6 11.Ne4 Ng6 12.d4 ed4 13.Nd4 Be7 14.c5 0–0 (14...Qg4 15.Qc2=) 15.Qb3+= Rf7 16.0–0–0 Qg4 17.f3 Qf4 18.Kb1 Na6 (18...Qh2? 19.Rh1 Qc7 20.Rh7+–) 19.g3 Qb8 (19...Qc7!?+/–) 20.Nf5+– Qf8 (better is 20...Kf8 21.Rd7 Nh8+–) 21.Rd7 Rd8 22.Rb7 (better is 22.Re7 Ne7 23.Nh6 gh6 24.Nf6 Kh8 25.Nd7 Kg8 26.Nf8 Kf8 27.Qe6+–) 22...Kh8?? (22...Rd5 23.Ne3 Rd8+–) 23.Qe6 (better is 23.Ned6 Bd6 24.Rf7 Qg8 25.cd6 Ne5 26.Be5 fe5+–) 23...Nb8 (23...Kg8+–) 24.Ned6 Bd6 (24...Kg8 25.Nf7 Qf7 26.Ne7 Ne7 27.Qe7 Qe7 28.Re7+–) 25.Rf7 (25.Nd6?! Rb7 26.Nb7 Re8+/–) 25...Qg8 (25...Be5 26.Rf8 Rf8 27.Be5 Ne5 28.Qe7+–) 26.cd6 Rf8 27.Rf8 Nf8 28.Qg8 Kg8 29.Re1 g6 30.Ne7 Kf7 31.g4 Nfd7 0–1. typ48 – andrzejek054, playok.com, 2012.

6.c4 Qd8 7.Be2 Ne7 8.Nc3 c6 9.h3 Ng6 10.Nf3 Nd7 11.0–0 Be7 12.d4 e4 13.Nh2 Qc7 14.d5 Nde5 15.c5 Rd8 (better is 15...cd5!? 16.Bb5 Kf7 17.Qd5 Kf8+/–) 16.d6+– Qb8 17.Bh5 Bf8 18.g4 Be6 19.f4 ef3 20.Nf3 Nf3 21.Rf3 Kf7? (better is 21...Kd7+/–) 22.Qd3 Qc8 23.Raf1 b6 (23...b5 24.Bg6 hg6 25.Rf6 Kg8 26.Qg6 Rh6+–) 24.Ne4+– Bd5 (24...Kg8+–) 25.Bf6! gf6 26.Rf6 (26.Nf6 Kg7 27.Nd5 Qe6 28.Bg6 hg6 29.Qc3 Kg8 30.Nf6 Qf6 31.Qf6 Bg7 32.Qd8 Kh7 33.Qh4 Bh6 34.Rf7 Kg8 35.Qd8 Bf8 36.Qf8#) 26...Kg7 27.Qd4 Kh6 (27...Kg8 28.Rg6 hg6 29.Nf6 Kg7 30.Nd5 Kh7 31.Nf6 Kh6 32.g5 Kg7 33.Ne8 Kh7 34.Rf7 Kg8 35.Rg7 Bg7 36.Qg7#) 28.R1f5 (28.Rg6 hg6 29.Qh8#) 28...Bg7 29.Qe3# 1–0. typ48 – kisgorgo, internet, 2012.

6.c4 Qe4 7.Be2 Nc6 (7...Qg2 8.Bf3 Be4 9.Bg2 Bg2 10.Qg4 Bh1 11.Qc8 Ke7 12.f3+– (12.Qc7?! Nd7+–)) 8.Nc3 Qg2 9.Bf3 Qg6?? (better is 9...Qg5=+) 10.Bh5+– (10…0–0–0 11.Bg6 Bg6 12.Nge2+–) 1–0. justpawn – Oksana, playchess.de, 2003.

6.c4 Qe4 7.Ne2 Qc4 8.Nec3 (8.d4 Qd5+=) 8...Bd3 9.Qh5 g6 10.Qf3 Bf1 11.Rf1 (11.Qb7 Bg2! 12.Qg2 Nc6–/+) 11...Nc6 12.d3 Qf4 (12...Qb3 13.Qd1 Qd1 (13...Qb2?! 14.Ra2 Qa2 15.Na2+=) 14.Nd1 Rd8–/+) 13.Qf4+= ef4 14.Nd5 0–0–0 15.Nf6? (better is 15.Nf4 Bh6 16.Ne2–/+) 15...Bg7–+ (15...Rd3 16.Nh5 Rd4 17.b5 (17.Bd4? Nd4 18.Kd1 gh5–+) 17...gh5 18.bc6+/–) 16.Ng8 (16.b5 Na5 17.Ng8 Re8 18.Kd1 Bb2 19.Ra2–+) 16...Rhg8 (better is 16...Bb2 17.Ra2 Bg7–+ (17...Rhg8?! 18.Rb2 Ne5 19.Kd1–+; 17...Rd3?! 18.Rb2 Rg8 19.Ke2–+)) 17.Bg7 Rg7 18.Ke2 Nd4 19.Kd1 Nb3 20.Ra2 Rgd7 21.Kc2 Rd3 22.Nc3 Nd2 23.Rd1? (23.Re1 f3 24.g4 h5–/+) 23...b6 (better is 23...Rc3 24.Kc3 Ne4 25.Kc2 Rd1 26.Kd1 Nc3 27.Kc2 Na2–+) 24.Ne4–/+ Ne4 (better is 24...Nf3 25.Rd3 Ne1 26.Kd2 Nd3–/+) 25.Rd3+= Nf2 26.Rd8 Kd8 27.Kd2 g5 28.Ke2 Ne4 29.Kf3+= Nf6 30.h4 h6 31.Re2 Kd7 32.g3 fg3= 33.hg5 hg5 34.Re5 g4 35.Kg3 Kd6 36.Re1 a6 37.Rd1 Kc6 38.Rc1 Kd6 39.Kf4 c5 40.bc5 bc5 41.Kf5 Nd5 42.Kg4 Kc6 43.Kf5 Kb5 44.Ke5 Ne3 45.Kd6 Attacks the isolani on c5 45...Nc4= 46.Kd5 Na3 47.Rc5 Kb4 48.Rc8 a5 0–1. typ48 – xixaxxx, internet, 2013.

6.c4 Qe6 7.Nf3 Nd7 8.Be2 0–0–0 9.0–0 h5 (9...Nb6 10.c5 Nc4 11.Bc3=) 10.Qa4 Kb8 11.d4 e4 (better is 11...Nb6!? 12.Qa5 Nc4 13.Bc4 Qc4+=) 12.d5+= Qf7 13.Nd4 Bh7 (13...Qg6 14.Nf5 Qf5 15.Nc3+/–) 14.Nc3 g5?? (better is 14...Nb6 15.Qa5 Rd7+/–) 15.Ncb5+– a6 16.Nc7! Kc7 (16...Rc8 17.Nce6 h4+–) 17.b5 (better is 17.Ne6 Kc8 18.Qa5 Nb6 19.Nd8 Kd8 20.Qb6 Kc8+–) 17...Nb6?? (better is 17...Nc5 18.Qd1 Bg6–/+) 18.Qa5+– Bc5? 19.Nb3 Qe7 20.Rad1 Qd6?? 21.Nc5 Qc5 22.Bd4 Qd6 23.c5 Qd5 24.Qb6 Kb8 25.ba6 Ne7 26.Be5! (26.Be5 Ka8 27.Rd5 Rb8 28.Rd7 fe5 29.ab7 Rb7 30.Qb7) 1–0. typ48 (1630) – reshatjanuzi, internet, 2013.

6.Nf3 Qe4+= 7.Be2 Qc2 8.Qc2 Bc2 9.Nc3 c6 10.0–0 Nd7 11.Rac1 Bf5 12.Nh4 Be6 13.Bh5 g6 14.Ng6? (better is 14.Be2–/+) 14...hg6–+ 15.Bg6 Bf7 16.Bf7 Kf7 17.Ne4 Bh6 (17...a5!? 18.b5 cb5 19.f4 ef4 20.Rc7–+) 18.Nd6 Kg6 19.Nb7 Bd2?? (better is 19...Rb8 20.Nc5 Rh7–/+) 20.Rcd1= Rb8 21.Na5 Bb4 22.Nc6 Bc5+= 23.Rd7?? Rb2–+ 24.Nb4 Bb4 25.ab4 Rb4 26.Ra7 Nh6 27.h3 Rhb8 28.Rc1 R8b7 29.Ra6 R4b6 30.Rb6 Rb6 31.f3 Nf5 32.Kf2 Nd4 33.Rc8 Kf5 34.h4 e4 35.fe4 Ke4 36.h5 Kf5 37.Rg8 Rb7 38.h6 Rh7 39.Rd8?? Rh6 40.Rd4= Ke5 41.Ra4 f5 42.Kf3 Rd6 43.Ra5 Rd5 44.Rd5 Kd5 45.Kf4 Ke6 46.g3 Kf6 47.g4 fg4 48.Kg4 ½–½. ourang – hora1967, internet, 2012.

5.a3 Nh6

6.Nc3 Qc6?? 7.h3 (7.Bb5 Bg4 8.Nf3 Bd6+–) 7...Be6?? (better is 7...a6=) 8.Bb5+– a6 9.Bc6 Nc6 10.Nge2 Bd6 11.0–0 0–0 12.Ne4 Be7 13.d4 f5 14.Nc5 Bd5 (14...Bc5 15.bc5 Rad8 16.Qb1+–) 15.de5 Nf7 (15...Bc4 16.Nb7 Rfb8+–) 16.Qd5 Rad8 17.Qb3 b5 18.Ne6 1–0. cogit – januszek1963, internet, 2012.

6.Nc3 Qf7 7.Nf3=.

6.c4 Qd8 7.Nf3 Be6 (7...c5 8.bc5 Bc5 9.d4 ed4 10.Bd4 Bd4 11.Qd4 Qe7 12.Qe3 Qe3 13.fe3=) 8.Be2 (8.d4 a5 9.b5 ed4 10.Nd4 Bf7+=) 8...Be7 (8...c5 9.bc5 Bc5 10.d4 ed4 11.Nd4 Bd4 12.Qd4 Qd4 13.Bd4+=) 9.Nc3 (9.d4 a5+=) 9...0–0 (9...Nf5 10.Qc2=) 10.0–0 Nd7 11.d4 ed4 (11...a5!?=) 12.Nd4+/– Bf7 13.Bf3 c6 14.Ne4 (14.c5 Ne5+=) 14...Ne5 (better is 14...Bc4 15.Be2 Bd5+=) 15.Qb3?? (15.c5 Bd5 16.Re1 b6=) 15...a5?? (15...Bc4 16.Qc3 Bf1 17.Rf1 Nf3 18.Qf3–+) 16.ba5? (16.Be2 b5 17.Qh3 bc4= (worse is 17...Nc4 18.Nc6 Qc7 19.Ne7 Qe7 20.Bc4 Bc4 21.Rfe1+/–)) 16...Ra5?? 17.Rad1 Qc7 18.g3?? Bc4–+ 19.Qc3 Bf1 20.Kf1 Nf3 21.Nf3 b6 22.Nd4 c5 23.Ne6–/+ Qc6 24.Nf8 Kf8 25.Qf3 Ra4 26.Re1 f5 27.Nd2 Qf3 28.Nf3 Re4 29.Re4 fe4 30.Nd2 e3 31.fe3 Nf5 32.Ke2 Bg5 33.e4 Nd6 34.Kd3 Bd2 35.Kd2 Ne4–/+ 36.Ke3 Nd6 37.Be5 Nc8 38.Ke4 g6 39.Kd5 Ke8 40.Kc6+= Kd8 41.Bc7 Attacks the backward pawn on b6 41...Ke7 42.Bf4 Ke6 43.g4 c4 44.Bd2 Ke5 45.Kc7 Ne7–/+ 0–1. typ48 – dddccc7, internet, 2013.

6.c4 Qe4 7.Ne2 Bh3?? (7...Qc4!? 8.d4 Nd7+=) 8.f3?? (8.Nbc3!? Qh4 9.gh3 Qc4+–) 8...Qc4? (better is 8...Qh4 9.g3 Qh5 10.Bh3 Qh3=) 9.gh3 Nc6 10.Qc1 Qd5 11.Kf2 Nf5 12.Nbc3 Qf7 13.Ne4 Bd6 14.N4g3 Nfd4 15.Nd4+– Nd4 16.Bd4 ed4 17.Bc4 Qe7? 18.Re1 Qe1 19.Qe1 Kd7 20.Qe6 Kc6 21.a4 Rae8 22.b5 Kb6 23.a5 Kc5 24.Qd5 Kb4 25.Qd4 Be5 26.Rb1 Ka5 27.Qa7 1–0. typ48 (1615) – fifi81, internet, 2013.

5.b5 Bd7

6.a4 a6 7.c4 Qc5 8.Ba3 Qd4 9.Bf8 Qa1?? (better is 9...Kf8 10.Nc3 Bg4=) 10.Bg7+– ab5 11.ab5 (better is 11.cb5 Qa4 12.Qa4 (12.Bh8?! Qe4 13.Ne2 Ra1+/–) 12...Ra4 13.Bh8+–) 11...Bf5+/– 12.Qh5 (better is 12.Nc3 Bc2 13.Qa1 Ra1 14.Ke2+–) 12...Bg6= 13.Qd1 Bb1 14.Bh8?? Qa2?? 15.Nf3?? Nd7?? 16.Be2 e4 17.Nd4+/– Bd3 18.0–0 Qc4 19.Bd3 Qd3? 20.Qh5+– Kd8?? 21.Ne6 Ke7 22.Nc7 Rc8 23.Qh7 Kd6+= 24.b6 Nb6 25.Rc1?? Qd2?? 26.Ra1?? Rc7–+ 27.Qc7 Kc7 28.Bf6 Nf6 29.h3 Nh5 30.Kh2 Qf2 (30...Qf2 31.Rc1 Kb8 32.Rd1 Nf4 33.Rd2 Qd2 34.Kg3 Nd3 35.Kg4 Qg2 36.Kf5 e3 37.Kf6 Nd5 38.Ke6 e2 39.Kd6 e1Q 40.h4 Qe7#) 0–1. brother – irenka3, internet, 2012.

6.a4 Bc5 7.c4 (7.Nc3 Qd4 8.Qe2 Be6=) 7...Qe6 (7...Qe4 8.Ne2–/+) 8.Nf3 Ne7 9.Be2 (9.Qe2 Nf5+=) 9...0–0 (better is 9...e4!? 10.Ng1 Qb6–/+) 10.0–0 Kh8 (10...Nf5 11.Re1=) 11.Nc3 (11.d4 ed4 12.Re1 Nf5+=) 11...c6 (11...Qf5 12.d4 ed4 13.Nd4+=) 12.Rc1 (12.Ne4 Bb4+=) 12...cb5 13.cb5 a6 14.Ne4 Bb6 15.Bc4 Qf5 16.Nd6 Qg6 (16...Qf4+/–) 17.Nh4 (17.ba6 ba6 18.Qb3+–) 17...Qg5= 18.g3 Bh3 19.Re1 ab5 20.ab5 (worse is 20.Nb5 Bg4 21.Nf3 Qh5+=) 20...Ra4?? (better is 20...Bg4 21.Qc2 Qh5+/–) 21.Nf7 (21.Qa4!? Bf2 22.Kf2 Qd2 23.Kg1 Qd6+–) 21...Rf7 22.Bf7?? (better is 22.Qa4 Rf8 23.d4+–) 22...h6?? 23.Nf3 Qf5 24.Re3 Bg4?? 25.Kg2 Bh3 26.Kg1 Bg4 27.Ra1 Ra1–+ 28.Qa1 Be3 29.de3 Qf3 30.Bc4 Bh3 31.Bf1 Bf1 32.Kf1 Nd5 33.h4 Ne3 34.Ke1 Qh1 35.Ke2 Qa1 36.Ba1 Nd5 37.f3 Nd7 38.g4 Nc5 39.g5 hg5 40.hg5 Nf4 41.Ke3 b6 42.gf6 gf6 43.Bb2. elektrooon – nerijusv, internet, 2013.

6.c4 Qf7 7.Nc3 Bd6 8.Nd5 (8.Qf3 Bc8=) 8...Ne7 9.Ne7 Qe7 10.Nf3 c6 11.a4 a6 12.Be2 ab5 13.ab5 Ra1 14.Qa1 cb5 15.cb5 0–0 16.0–0 Qe8 17.Qa7 (better is 17.Qa2!? Be6 18.Bc4 Bc4 19.Qc4 Qf7 20.Qf7 Kf7 21.d4=) 17...Bb5–/+ 18.Bb5 Qb5 19.Bc3 Nc6 20.Qa2 Kh8 21.Nh4 Nd4 22.Bd4 ed4 23.Qe6 Qe5 24.Qe5 fe5 25.g3 (better is 25.Rb1!?–/+) 25...b5 26.Rb1 b4 27.Rb3 Ra8 28.Kg2 Ra3 29.Rb1 Ra2 30.Nf3 Kg8 31.h4 Kf7 32.g4 (32.Ng5 Kg6–+) 32...Ke6 33.d3 Kd5 34.Ng5 h6 35.Nf7 Ra4 36.g5 hg5 37.Ng5 Ra3 38.Rd1 b3 39.h5 b2 40.Rb1 Rb3 41.Ne4 Ba3 42.Nd2 Rd3 43.Nf1 Rc3 44.Nd2 Rc2 45.Nb3 Kc4 46.Na5 Kc3 47.Kf3 Rc1 48.Rb2 Bb2 49.Ke4 d3 50.Ke5 d2 51.Kf5 d1Q 52.Kg6 Qg4 53.Kf7 Qh5 54.Kg7 Rg1 55.Kf6 Rg6 56.Ke7 Qh7 57.Kf8 Rg8# 0–1. elektrooon – ginte222 (1705), internet, 2012.

5.Nc3 Qd4

6.a3 c6 7.Nf3 Qd7 8.Bc4 Bd6 9.0–0 Ne7 10.d3 Qg4 11.h3 Qh5 12.Ne4 Bc7 13.Ng3 Qg6 14.d4 ed4 15.Nd4 Bb6 (15...Bg3 16.fg3 Bh3=) 16.Qe2 c5?? (16...Bd4 17.Bd4 Kd8 18.Bd3+–) 17.bc5 (better is 17.Rfe1 Bd8 18.Nb5+–) 17...Bc5 18.Bb5 Nbc6?? (better is 18...Kf8+/–) 19.Nc6+– bc6 20.Bc6 Bd7 21.Ba8 0–0 22.Be4 Qg3 23.Qc4 Kh8 24.Qc5 Qf4 25.Qe7 (25.Qe7 Re8 26.Qd7 Qe4 27.Rae1 Qe1 28.Re1 Re1 29.Kh2+–) 1–0. ejdrzej – ovid44, internet, 2012.

6.a3 Bf5 7.Nf3 Qb6 8.Be2 (better is 8.d4 Nd7 9.Nd5+=) 8...Nc6?? (8...Nd7 9.Nd5 Qc6 10.Ne3=) 9.0–0 (better is 9.Nd5 Nb4 10.Nb6 (10.Nb4?! 0–0–0+–) 10...Nc2 11.Qc2 Bc2 12.Na8+–) 9...Nd4 10.Nd4 Qd4 11.Bh5 (11.Bf3 c6+=) 11...g6= 12.Bf3 0–0–0 13.Na4 (better is 13.d3=) 13...Qd2–/+ 14.Qd2 Rd2 15.c4 e4 16.Bd1 Bd7 17.Nc3?? (better is 17.b5 a6 18.Bc3–/+) 17...Rb2–+ 18.Nd5 Be6 19.Nf4 Bc4 20.Re1 f5 21.Ba4 b5 22.Bd1 Bh6 23.Nh3 Nf6 24.a4 Kb7 25.ab5 Bb5 26.Re2 Rb4 27.Rea2 a6 28.Ba4 Ba4 29.Ra4 Ra4 30.Ra4 Rd8 31.g3 Rd1 32.Kg2 c5 33.Ng1 Kb6 34.Ne2 Kb5 35.Ra2 Rd3 36.Nc1 Rc3 37.Ne2 Rb3 38.Nc1 Rb1 39.Ne2 a5 40.Nc3 Kb4 41.Nb1 Bc1 42.Rc2 Ba3?? 43.Nd2?? Nd5?? 44.Nc4–/+ e3! 45.Na3 ef2?? 46.Kf2+= Ka3 47.Rc5+/– Nb4 48.Ra5 Kb3. bungo – bozakrufka, internet, 2013.

5.Nc3 Qd6

6.a3 a6 7.Nf3 c5 8.bc5 Qc6 9.d4 ed4 10.Nd4 Qc5 11.Qe2 Be7 12.Bc1?? (better is 12.Nb3 Qf5 13.Ne4+/–) 12...Qd4 (better is 12...Qc3 13.Qd2 Qa1–+) 13.Bd2 (13.Bb2 Qb6 14.0–0–0 Be6–+) 13...Nh6 14.h3 Nf5 15.Rb1 0–0 16.a4 Re8 17.Qd1 (17.Qc4 Kf8 18.Qd4 Nd4 19.Bd3–+) 17...Bc5 18.Be3 Qc3 19.Ke2 (19.Qd2 Qe5 20.Bc4 Be6 21.Be6 Re6 22.0–0–+) 19...Re3 20.fe3 Qe3 0–1. larniletter – dunk0104, ChessWorld.net, 2011.

6.b5 b6 7.Qh5 g6 8.Qf3 Nh6?? (better is 8...c6+=) 9.Qa8+– c6 10.Ne4 Qc7 11.Nf6 Kf7 12.Nf3 Bb7 (12...Bd6 13.Ne4 Re8 14.Nd6 Qd6 15.Qa7 Nd7 16.Qa8 cb5 17.Bb5+–) 13.Qa7 cb5 14.Be5 Bd6 15.Ng5 Ke7 16.Bd6 Kd6 17.Qa3 Kc6 18.Qc3 Kd6 19.Qg3 Kc6 20.Bb5! Kb5 1–0. vezer – Dharmawarrior, ChessWorld.net, 2003.

5.Nc3 Qd8

6.a3 Nc6 7.Bc4 Bf5 8.Nge2 a6 (8...Qd7 9.Ng3=) 9.0–0 Qd7 10.Re1 0–0–0 11.d3 Bd6 12.b5 Na5 (12...ab5 13.Bb5 Nge7 14.Rb1+=) 13.ba6+/– Kb8 (better is 13...Nc4!? 14.ab7 Kb7 15.dc4 Qc6+/–) 14.Bg8+– Rhg8 15.ab7 e4? (better is 15...Rge8+–) 16.de4 Bh3 17.Qd3 (17.gh3?! Qh3 18.Ng3 Bg3 19.fg3 Rd1 20.Red1 Nb7+/–) 17...Bh2 (17...Bg4+–) 18.Kh2 Qd3 19.cd3 Bd7 20.Nf4 Nc6 (20...Nb7 21.a4+–) 21.Ncd5 Ne5 (21...Kb7 22.Reb1 Kc8 23.a4+–) 22.Rab1 g5 (22...c6 23.Ne3+–) 23.Nf6 gf4 (23...Ng4 24.Ng4 Bg4 25.Nd5 Rd5 26.ed5 Kb7 27.Rec1+–) 24.Be5 Rg5 25.Bf4 Rg6 26.Rec1 Rf6 27.Bc7 (27.Bc7 Ka7 28.Bd8 Rh6 29.Kg1+–) 1–0. ddebruyn (1750) – jgrau, net–chess.com, 2002.

6.b5 Nh6 7.Nf3 Be6 8.d4 ed4 9.Nd4 Qe7 10.Be2 (10.Ne6 Qe6 11.Qe2 Qe2 12.Be2 Nd7+=) 10...c5 (10...Bf7 11.0–0 Nd7 12.Bf3+–) 11.Ba3 (11.Ne6 Qe6 12.Nd5 Bd6+/–) 11...Qf7 (better is 11...Bf7 12.Qd2 Nd7+=) 12.Ne6+/– Qe6 13.Nd5 Qe5 (13...Qd6!?+/–) 14.Bb2!+– Qd6 (14...Qb2 Deflection from c7 15.Nc7 A double attack) 15.c4 (15.Bh5 Kd7 16.0–0 Kc8+–) 15...Be7 (better is 15...Nd7+/–) 16.Bh5+– Nf7 17.0–0 0–0? (17...Kf8+–) 18.Bf7 (better is 18.Re1 Ne5 19.f4+–) 18...Rf7 19.Re1 Kf8? (better is 19...Qd7+–) 20.Qh5 Kg8 21.Rad1 g6 (21...Qd7 22.Nf6! Bf6 23.Bf6 gf6 24.Rd7 Nd7+–) 22.Qh3 (worse is 22.Ne7 Qe7 23.Re7 gh5 24.Rd8 Rf8 25.Rf8 Kf8 26.Rb7 a6 27.Bf6 Ke8 28.Re7 Kf8 29.Rh7 ab5 30.cb5 Ra2+–) 22...h5 (22...Kg7 23.Nf6!! Qf6 24.Bf6 Bf6 25.Re8+–) 23.Nf6!! (23.Nf6 Qf6 24.Bf6 Bf6 25.Re8 Kg7 26.Qg3+–) 1–0. Perlitz,Juergen – Schmidt,Hans Gerd, corr DDR, 1985.

6.Bc4 Ne7 7.Qh5 (7.Nf3 Nec6=) 7...g6 8.Qf3 Nbc6?? (better is 8...Nf5 9.Ne4 Be7= (worse is 9...Bb4 10.g4+/–)) 9.Qf6+– Qd4 (9...Bf5 10.Bf7 Kd7 11.Qh8 Nb4+–) 10.Bf7 Kd7 11.Qh8 Bh6 (11...b5 12.Qf8 Bb7+–) 12.Qe8 (12.Qe8 Kd6 13.Nb5) 1–0. Durka,Jan – Chylik,Martin, Tirnavia–B, 1979.

6.Bc4 Bf5 7.b5 (7.Qf3 Qc8= (worse is 7...Bc2 8.Qb7 Nd7 9.Nb5+/–)) 7...c6 (7...a6=) 8.Qf3 (8.Nf3 cb5 9.Bb5 Nc6+=) 8...Ne7 (8...Bc2 9.Qe2 Bb4 10.Bg8+–) 9.a4 (9.d3 Nd7=) 9...Bg6 (9...Bc2?! 10.Rc1 Bg6 11.Nge2–/+) 10.0–0–0 (10.d3!?=) 10...Nf5 (10...a6 11.d4 ed4 12.Nge2 ab5 13.ab5+=) 11.Nce2 (11.Bd3 Qd7+=) 11...Qc7 (11...Nd6!? 12.bc6 Nc6–/+) 12.d4+= ed4 (12...Nd6!? 13.Qc3 Nc4 14.Qc4 Bf7+=) 13.Nd4 Nd4 14.Re1 (14.Bd4 cb5 15.Bb5 Nc6 16.Re1 Kd8 17.Bc6 Qc6 (worse is 17...bc6 18.Bf6 Kc8 19.Qh3 Qd7 20.Qd7 Kd7 21.Bb2+/–) 18.Qc6 bc6=) 14...Be7 (14...Kd8 15.Bd4 Be7 16.Rd1=) 15.Bd4 cb5 16.Bb5 Kf8 17.Qb3 (17.Qc3 Nc6=) 17...a6 (17...Nc6 18.Nf3–/+) 18.Bc4 Nc6 (18...Nd7 19.Bd5+=) 19.Bc3 1–0. GuestBKHV – Kanka, freechess.org, 2018.

6.Nf3 Bb4+= 7.a3 Bd6 (7...Bc3 8.Bc3 Ne7 9.Bc4+=) 8.Bc4 (8.Ne4 Bf5 9.Nd6 cd6+=) 8...Ne7 9.Nh4 (9.0–0+=) 9...Bf5 (9...Nbc6 10.Ne4 Qd7 11.Qh5 Kd8 12.0–0–/+) 10.Qh5 (10.Nf5 Nf5 11.Qf3 Nd4=) 10...g6+= 11.Qf3 Bc2 (11...Nbc6 12.Nf5 Nf5 13.Ne4+=) 12.0–0 (12.Rc1 Bf5 13.Nf5 Nf5 14.Qb7 Nd7=) 12...Rf8 (12...Nbc6 13.Qf6 Rf8–/+) 13.Nd5? (better is 13.Rac1 e4 14.Ne4 Be4 15.Qe4=) 13...Nd5–+ 14.Bd5 (14.Qd5 c6 15.Qe6 Be7–+) 14...c6 15.Be6 (15.Bc4 Qb6 16.Bc3 Qc5–/+) 15...Qe7 (better is 15...e4 16.Qc3 Bd3–+) 16.Bf5?? (better is 16.Bc4–+) 16...Bf5 (16...gf5 17.Nf5 Bf5 18.Qf5–+) 17.Nf5 gf5 18.Qf5 Nd7 (18...Qd7 19.Qh5 Qf7 20.Qe2–+) 19.Qh5 (19.d4 Rg8–+) 19...Rf7 (19...Qf7 20.Qe2–+) 20.Bc3 (20.d4 0–0–0–+) 20...0–0–0 (20...Nc5 21.d4 Nd3 22.Qf5 ed4 23.Qd3 dc3 24.Rae1–+) 21.Bb4 (21.d4 Rg8–+) 21...Rg7 22.Bd6 (22.Kh1 Qe6–+) 22...Qd6 23.a4 (23.Qh6 Rdg8 24.g3 Nc5–+) 23...Rdg8 (23...Qd2 24.g3–+) 24.g3 Qd2 25.Rfd1 (25.Rfc1 e4–+) 25...Qg5 (25...Qf4 26.Qe2–+) 26.Qf3 (26.Qe2 h5–+) 26...Qf4 (26...Nc5 27.Qc3 Ne6 28.Qa5–+) 27.Qb3 (27.Qc3–+) 27...Qf3 (better is 27...Nc5 28.Qc2 Ne6–+) 28.Qf3+– e4 (28...a6 29.Rd6+–) 29.Qe2 (29.Qe4 Rd8+–) 29...Kb8 (29...Re7 30.Qe3 c5 31.Rab1+–) 30.a5 (better is 30.Qe4!? Rd8+–) 30...f5 (30...Re8 31.Rab1+–) 31.a6 (31.Qd2 Kc8+–) 31...b6 (31...Ne5 32.Qe3 b6 33.Qh6+–) 32.h3 (32.Qh5 Nc5+–) 32...Ne5 33.Rd2 (33.Qh5 Nf3 34.Kh1 f4+–) 33...Rg6 (33...Nf3 34.Kf1 f4 35.g4+–) 34.Qd1 (34.Kg2!? R6g7+–) 34...Nf3 35.Kg2 Nd2 36.Qd2 R8g7 (36...R6g7 37.Qf4 Ka8+–) 37.Qd8 1–0. Nautiluschess – Pecard, ICS blitz, 2001.

6.Nf3 Bg4 7.Be2 (7.a3 Bd6=) 7...Bf3 (better is 7...Bb4!? 8.0–0 Ne7+=) 8.Bf3+= c6 9.0–0 (9.a3 Bd6+=) 9...Ne7 (9...Bb4!? 10.Ne4 Nh6=) 10.Bh5 (10.a3 Nd7+/–) 10...g6+= 11.Bf3 Nd5 (11...Nf5 12.b5+=) 12.Nd5+/– cd5 13.c4 e4 (13...dc4 14.Bb7 Pinning (14.Bb7 Deflection)) 14.Be2 Bb4 15.d3 (15.Qb3 A) 15...Bd2? 16.Qb7 (16.cd5?! Nd7+/–) 16...Nd7 17.Bg4+–; B) 15...Qb6+=) 15...Nc6 (better is 15...dc4!? 16.dc4 Qd1 17.Rfd1 Rf8+=) 16.cd5+/– Qd5 17.Bf6 (17.de4!? Qe4 18.Bf6+/–) 17...Rf8= 18.Bb2 (18.Bh4 Rf7=) 18...0–0–0 19.Bg4 (19.a3 Ba5=) 19...Kb8+= 20.Qa4 (better is 20.de4!? Qe4 21.Bf3 Rd1 22.Be4=) 20...ed3–/+ 21.Bf3 (better is 21.Rab1–/+) 21...Qc5?? (better is 21...Rf3!? 22.gf3 Qf3–+) 22.a3 (better is 22.Rac1 Qa5 23.Bc6 bc6 24.Qc6+=) 22...Ba5?? (22...Bc3 23.Bc3 Rf3+= (worse is 23...Qc3 24.Rac1 Qa5 25.Bc6 Qa4 26.Ba4+/–)) 23.Qf4?? (better is 23.Rac1 Qg5 24.h4+/–) 23...Rf4–+ 0–1. Nautiluschess – ovc, ICS blitz, 2001.

6.Bc4 Bb4=+

7.a3 Bc5 8.Qh5 g6=+.

7.Nf3 Bg4 8.0–0 Bc3 9.Bc3 (worse is 9.dc3 Qd1 10.Rad1 Ne7+=) 9...e4?? (9...Nc6 10.h3 Bh5+=) 10.Re1+– Qe7 (10...Ne7 11.Re4 Bf5 12.Re3+–) 11.Qb1 Bf3 (11...c6 12.Bb4 c5 13.Bc5 Qc5 14.Re4 Kd8 15.Qb7 Qc6 16.Rd4 Bd7 17.Rd7 Qd7 18.Qa8 Qc8+–) 12.Qb7 Bg2 (12...Qd8 13.Qa8 Ne7 14.gf3+–) 13.Kg2 Nh6 14.Qc8 Qd8 15.Re4 Kf8 16.Qd8 1–0. DEFFM – GuestYQTB, freechess.org, 2018.

7.Bg8 Rg8 8.Qh5 Kf8 (8...g6 9.Qh7 Be6 10.a3+=) 9.Qh7= Bc3 (9...Qd7 10.Nf3=) 10.Bc3 Be6 (10...Qd7 11.Nf3=) 11.Bb4 (11.f4 ef4 12.Ne2 f3 13.gf3 Qe7+=) 11...Kf7+= 12.Nf3 Nc6 13.Ba3 (13.Bc3 Qd5 14.Qh5 Ke7+=) 13...Nd4 (13...Rh8 14.Qe4–/+) 14.Nd4 (14.Qd3 Nf3 15.Qf3 Qd5 16.Qd5 Bd5+=) 14...Qd4–/+ 15.Qd3?? (better is 15.Qh5 g6 16.Qd1–/+) 15...Qa1–+ 16.Ke2 Qh1 17.Qb5 Qg2 (17...Bg4 18.f3 Qg2 19.Ke1–+) 18.Qb7 Qb7 (18...Qb7 19.d3 Bg4 20.Kd2 Qb6 21.Ke1 Qb1 22.Kd2 Qd1 23.Kc3 Qe1 24.Kc4 Be6 25.Kb5 Rab8 26.Kc6 Rb6 27.Kc7 Rc8; 18...Bg4 19.Kd3 Qb7 20.Kc3 Qc6 21.Kb3 Rab8 22.Bb4 Rb4 23.Kb4 Rb8 24.Ka5 Qb5) 0–1. guest1181 – guest1474, ICS blitz, 2000.

7.Qh5 g6 8.Qe2 Nc6 9.Nf3+=.

7.Qh5 g6 8.Qe2 Bd7 9.Bg8 (better is 9.Nd5 Nc6 10.f4+–) 9...Rg8? (better is 9...Bc3 10.Qc4 Bd2 11.Ke2 Qe7 12.Kd2 b5+=) 10.Qc4+– Bc3?? (10...Rg7 11.Qb4 Nc6+–) 11.Qg8 Ke7 12.Ba3 c5 (12...Bb4 13.Bb4 c5 14.Bc5) 13.Bc5 1–0. DEFFM – GuestCFZL, freechess.org, 2018.

7.Qh5 g6 8.Qe2 Bf5 9.Nf3 Bc2? (better is 9...Nc6!? 10.0–0–0 Kf8+=) 10.0–0 (better is 10.Bg8 Bd3 11.Qd1 Rg8+–) 10...c6? (better is 10...Nc6 11.d3 Bc3 12.Bc3 Ba4+–) 11.d4 e4 (11...Bf5 12.de5 Kf8 13.Rfd1+–) 12.Qc2 (12.Ne4?! Be4 13.Qe4 Qe7+–) 12...ef3 13.Qb3 Bc3 (13...Na6 14.Bg8 Qc7 15.Be6+–) 14.Bg8 (14.Qc3 fg2 15.Rfe1 Kf8 16.Qb4 Kg7 17.Bg8 Kg8+–; worse is 14.Bc3 Ne7 15.Rfe1 Qc7+–) 14...Bb2 (14...Qc7 15.Bc3 Kf8 16.Bb4 Kg7+–) 15.Qf7 1–0. DEFFM – GuestKQNJ, freechess.org, 2018.

7.Qh5 g6 8.Qf3 Nc6 9.Nge2 Bf5 (9...Nd4 10.Nd4 Qd4 11.Bb3=) 10.0–0 (10.Nd5!?+=) 10...Nge7= 11.d3 (better is 11.a3 Bc3 12.Bc3+= (worse is 12.dc3 Qd2–/+)) 11...a6 (better is 11...Bc3 12.Bc3 Qd7+=) 12.g4+/– Bd7 (12...Bc3!? 13.Bc3 Bc8+/–) 13.Ne4+– (13.Qf6?! Rf8 14.Qh4 Qc8+/–) 13...f5 14.Nf6 Kf8 15.d4 (better is 15.Qe3 Ng8 16.Nd7 Qd7 17.f4+– (17.Be5?! Re8 18.d4 Bd6+/–)) 15...Kg7?? (15...Na5 16.Bb3 A) 16...Nb3? 17.Qb3 (17.ab3?! Bc6 18.Qh3 fg4 19.Qh6 Kf7 20.de5 Bd2+–) 17...Nc6 18.de5+–; B) 16...h5 17.de5 hg4+–) 16.Nd7+– Qd7 17.de5 Kh6 (17...Qd2 18.e6 Kg8 19.gf5 Qc2 20.fg6 Qg6 21.Kh1 Rf8+–) 18.Qh3 (18.Qh3 Kg7 19.e6 Nd4 20.ed7+–) 1–0. DEFFM – jangazy, freechess.org, 2018.

7.Qh5 g6 8.Qh4 Nc6 9.Nf3 f5 10.Qd8 Kd8+=.

5.Nc3 Qe6

6.a3 c6 7.Be2 Nh6 8.d3 Bd6 9.h3 (9.Ne4 0–0=) 9...0–0 10.Bf3 Nd7 11.Nge2 f5 12.Ng3 f4 (12...Nf6!?=) 13.Nge4+= Nf6 14.Nd6 Qd6 15.Ne4 (15.0–0 Nf7+=) 15...Ne4= 16.Be4 Bf5 17.Qe2 Rfe8 18.g4 (18.0–0!?+=) 18...Be4+= 19.de4 Rad8 20.Rd1 Qe6 21.0–0 b5 22.Rd3 (22.a4 ba4 23.Rd8 Rd8+=) 22...Nf7+= 23.f3 Ng5 24.h4 Nf7 25.Rfd1 Rd3 26.Rd3 (26.cd3 Qe7+=) 26...g6 (26...Nd6 27.Bc3–/+) 27.Kg2 (27.Qd2 h6=) 27...h6 (27...Nd6 28.Bc1+=) 28.Qf2 Nd6 (28...Qa2 29.Bc1=) 29.Qa7 Re7 (29...Nc4!? 30.Bc1 Qf6=) 30.Qb8 Ne8 31.Qb6 Kf7 (31...Qf6 32.Qc5+/–) 32.Qc5 Qf6 33.Kh3 h5 (33...Qe6 34.Rc3 Rc7 35.Qf2+/–) 34.g5 Qe6 35.Kg2 Kf8 36.c4! bc4 (36...bc4 37.Rc3 Decoy; 36...Qc4 37.Be5 Deflection) 37.Rc3 Nd6 38.Qc6 Rd7 (38...Re8 39.Rc1+–) 39.b5 Qe7 (39...Ke7 40.a4+–) 40.a4 Nb7? (40...Ne4 41.Rc2 Ng5 42.hg5 Qg5 43.Kf1 Rd1 44.Ke2 Qg2 45.Kd1 Qg1 46.Ke2 Qg2 47.Ke1 Qg1 48.Kd2 Qe3 49.Kd1 Qg1 50.Ke2 Qg2 51.Ke1 Qg1 52.Ke2=) 41.Ba3 Nd6 42.Rc4 Kf7 43.Qd5 Qe6 44.Qe6 Ke6 45.Rc6 Ke7 46.b6 Kd8 47.Bd6 Ke8 48.a5 Kd8 49.a6 Ke8 50.a7 Rd8 51.b7 Kf7 (51...Kf7 52.b8Q Rd6 53.Qc7 Ke8 54.a8Q Rd8 55.Qad8#) 0–1. orangutandu – xela25, internet, 2012.

6.a3 c6 7.Nf3 Bd6 8.Be2 Ne7 9.Ne4 Bc7 10.Nc5 Qf7 11.0–0 0–0 12.d3 b6 13.Ne4 Be6 14.c4 h6 15.Qc2 Nd7 16.d4 f5 17.Ng3 e4 18.Nd2 Rad8 19.d5?? (better is 19.b5 Nf6 20.bc6 Nc6 21.d5 Nd5 22.cd5 Bd5 23.Rac1+/–) 19...cd5–/+ 20.cd5 Nd5 21.Bc4 Bg3 22.hg3 e3 23.Nf3? (23.Bd5 Bd5 (23...ed2?! 24.Be6 Qe6 25.Rad1=) 24.fe3 Qe6–/+) 23...ef2 (better is 23...Nb4 24.ab4 Bc4–+) 24.Qf2–/+ N7f6 25.Nd4 Ne4 26.Qe1 Rfe8 27.Ne6 Qe6–+ 28.Rd1 Nef6?? 29.Qc3?? Nc3 30.Be6 Kh8 31.Rd8 Ne2 32.Kh1 Ng3–+ 33.Kg1 Rd8 34.Bf6 gf6 35.Re1 f4 36.Bg4 h5 37.Bf3 a5 38.ba5 ba5 39.a4 Rd4 40.Re6? Kg7 41.Bc6 Rd2 42.Bb5 Kg6 43.Ra6 h4 44.Ra5? h3! 45.gh3 f3 46.Be8?? Kg7 47.Ra7 Kf8 48.Bb5 Rg2# 0–1. ejdrzej (1655) – stoklosy (1795), internet, 2012.

6.b5 Bb4 7.Qf3 Ne7 8.Bd3 Nd7 9.Be4 (9.Qh5 Kd8=) 9...Bc3 (9...Nc5 10.Nge2+=) 10.Bc3 (10.Qc3 Qb6=) 10...Nc5+= 11.Ne2 (11.Bb4!? Ne4 12.Qe4–/+) 11...f5–/+ (11...Ne4?! 12.Qe4 Qd5 13.Qd5 Nd5 14.d4+=) 12.Bd3 e4 (12...Nd3?! 13.Qd3 Ng6 14.h4=) 13.Qh5 g6 14.Nf4 gh5 (14...Nd3?! 15.cd3 Qd6 16.Qh6=) 15.Ne6 Be6 16.Bh8 ed3 17.Bd4 Nd7 18.cd3 Nd5 19.0–0 Kf7 20.f4 Nb4 (20...a6 21.a4–/+) 21.Rac1 (21.Rfc1 Rc8 22.Rc3 Na2–/+) 21...Rc8 (better is 21...c5!? 22.a3 Nd3–+) 22.a4 (22.a3 Nd5+= (worse is 22...Nd3 23.Rc3+/–)) 22...Nd3 23.Rc3 Nb4 24.Rh3 Nf6 (24...c5 25.bc6 Nc6 26.Bc3+=) 25.Be5 (25.Bf6 Kf6 26.Rh5+=) 25...Bc4 (better is 25...Nbd5!?–/+) 26.Rc1= Bd3 27.Rc3 (27.Rc7 Rc7 28.Bc7 Bc2=) 27...Be4 28.d3 (28.Bc7? Nbd5 29.Be5 Nc3 30.Rc3 Rd8–+; worse is 28.Rc7 Rc7 29.Bc7 Nd3+=) 28...Bd5 29.Bc7 (29.Rc7 Rc7 30.Bc7 Nc2=) 29...Na2 (29...Bg2 30.Kg2 Nbd5 31.Rc4 Rc7 32.Kf3–/+) 30.Rc2 (30.Rc5!?=) 30...b6 31.d4 Ke8 (31...h6 32.a5 Nb4 33.Rcc3–/+) 32.Rg3+= Kf7 33.Rg5 (33.Rh3 h6 34.a5 Nb4–/+) 33...Ke6 (33...Nb4 34.Rf5 Nc2 35.Be5–+) 34.Re2 (better is 34.h3!?=) 34...Ne4–/+ 35.Rg7 Nac3 36.Re1 Bc4 37.a5 (37.h3 Na4 38.Be5 Bb5 39.Ra7 h6–/+) 37...Nb5 (better is 37...ba5!? 38.g3 Ne2 39.Kh1 h4 40.gh4 Nd4 41.Ba5 Bb5–+) 38.ab6–/+ ab6 39.Bb6 Rh8 (39...Nbc3 40.g3 Ne2 41.Kg2–/+) 40.Rg5 (40.Rb7!?=) 40...Nbc3–/+ 41.g3 (41.Kh1 Ne2 42.d5 Kd6 43.Rg7–/+) 41...h4! 42.Kg2 (42.gh4 Ne2 Double attack) 42...Ne2 (42...hg3 43.hg3 Ne2 44.d5 Kd6 45.Rf5 N2g3 46.Re5–/+) 43.Rg7 (better is 43.d5!? Kd6 44.Rf5 hg3 45.Kf3 gh2 46.Rh5–+) 43...hg3–+ 44.hg3 N2c3 (44...Rb8 45.Bc5 Rb3–+ (45...Nc5?! 46.dc5 Rb2 47.Rh7+=)) 45.Rc7–/+ Kd5 46.Rf7 Kc6 (46...Kc6 47.Rc7 Kb5–/+) 0–1. Kulbachny,Vladimir (1975) – Losev,Sergey (2105), Moscow Region–ch op, 2004.

6.Qh5 g6 7.Qh4 Nc6 8.Bc4 Qf5 (8...Qg4 9.Qg4 Bg4 10.Nd5=) 9.Nd5 (9.Bg8 Rg8 10.Nd5 Kd8+=) 9...Bd6= 10.0–0–0 (10.Bb3 Nce7 11.Ne7 Be7=) 10...g5 11.Qg3 (11.Qh5 Kd8=) 11...Bd7 (11...e4 12.Qe3 Be6 13.Qb3=) 12.h4 0–0–0 (worse is 12...Nb4 13.Nb4 Bb4 14.Qb3+/–) 13.hg5 Nd4 (13...fg5 14.Re1 Nd4 15.Ne3=) 14.Ne3 Qg6 (14...Qg5 15.Qg5 fg5 16.Ne2 Ne2 17.Be2=) 15.gf6+/– Qg3 16.fg3 Nf6 17.Nf3 Bg4? (better is 17...Ne4 18.Nd4 ed4 19.Bd4 Nf2+/–) 18.Ng4+– Ng4 19.Nd4 ed4 (19...Nf2 20.Nf3 Bb4 21.a3 Nd1 22.Kd1+– (22.ab4?! Nb2 23.Kb2 e4+/–; 22.Rd1?! Bd6+–)) 20.Be6 Kb8 21.Bg4 Bg3 (21...Bb4 22.Rdf1+–) 22.Rdf1 d3 (22...c6+–) 23.Bh8 (23.Bh8 Rh8 24.Rh7+–) 1–0. DEFFM – deri, freechess.org, 2018.

6.a3 c5

7.bc5 Bc5

8.Bb5 Bd7 9.Bd7 Nd7 10.Nf3 (10.Qh5 Qf7 11.Qf3 Ne7=) 10...Ne7 11.0–0 0–0 12.d3 Nd5 13.Ne4 Bb6 14.c4 Nf4 15.g3 Ng6 16.Kg2 Rad8 17.Qc2 Nc5 18.Nc5 Bc5 19.Nd2 Bd4 20.Ne4 Ne7 21.Bd4 Rd4 22.Rfd1 h6 23.Rab1 Qc6 24.f3 Rfd8 25.Qb3 b6 26.Nf2 Nf5 27.Re1 R4d7 28.c5 Kh8 29.cb6 Nd4 30.Qd1 ab6 31.Ne4 b5 32.Rc1 Qd5 33.Rc5 Qb7 34.Qb1 f5 35.Nf2?? (35.Nd2 Nf3 36.Nf3 Rd3 37.Qb5 Qf3 38.Kg1–+) 35...Qf3 (better is 35...Nf3 36.Rb5 Qa8–+) 36.Kf1 f4 37.Rce5?? (better is 37.g4 Qa8 38.h3–+) 37...fg3 38.hg3 (38.Re8 Kh7 39.Qa2 Re8 40.Re8–+) 38...Rf7 (38...Qg3?! 39.Re8 Kh7 40.R1e3–+) 39.Re8 Re8 40.Re8–+ Kh7 41.Qb2 Qh1# 0–1. ejdrzej (1770) – namrezy (1685), internet, 2012.

8.d3?? Nc6 (better is 8...Qb6 9.Nd5 Bf2 10.Ke2 Qc5–+) 9.Ne4= Bb6 10.Nf3 Nge7 11.Be2 Nf5 12.0–0 Nfd4 13.c3 Ne2 14.Qe2 0–0 15.Rfe1 Qg4 16.h3 Qh5 17.Rad1 Qg6 18.Kh1 f5 (18...Be6 19.d4 Rad8 20.de5 Rd1 21.Rd1 Ne5 22.Ne5 fe5 23.c4=) 19.Ng3 e4 (19...Bc7!?=) 20.de4+/– fe4 21.Ne4 (worse is 21.Qe4 Bf2 22.Qg6 hg6–/+) 21...Bh3? (better is 21...Be6+/–) 22.gh3+– Qh5 (22...Qf5 23.Kg2 Rae8 24.Qc4 Kh8 25.Ned2+–) 23.Kg2 (23.Nfg5 Qe2 24.Re2 Rfd8 25.Rd8 Bd8+–) 23...Rf4 (23...Qg6 24.Ng3+–) 24.Ng3 Qf7 25.Nd4 (25.Bc1!? Rf6 26.Ne4 Rg6 27.Nfg5 Rf8+–) 25...Nd4 26.cd4 Rf8 27.Rf1 Qd5 28.Kh2 Bd4? 29.Bd4 Rd4 30.Rd4 Qd4 31.Qe6 Kh8 32.Kg1 h6 33.Qe7 Rf3 34.Qe8 Kh7+/– 35.Qe4 Qe4 36.Ne4 Ra3 37.Kg2 b5 38.Rb1 Ra5 39.Nd6 a6 40.Nf5 Ra4 41.Nd6 b4 42.Nc4 a5 43.Nd2 Ra3 44.Nc4 Ra2 45.Ne5 Ra3 46.Nf3 b3 47.Nd2 a4 48.Nc4 Ra2 49.Kg3 Kg6 50.f3 Kf6 51.h4 Ke6 52.h5 Kd5 53.Nb2? a3–+ 54.Na4 b2 55.Nc3 Kc4 56.Na2 Kb3 57.Nc1 Kc2 58.Rb2 ab2 59.Ne2 1–0. ejdrzej (1635) – prutis, internet, 2013.

8.Nge2 Nc6 9.g3 Nge7 10.Bg2 Nf5 11.0–0 Ncd4 12.Ne4 Bb6 13.d3 0–0 14.N4c3 Kh8 15.Nd4 Nd4 16.Ne2 Qd6 17.Nd4 Bd4 18.Bd4 Qd4 19.c4 Rb8 20.Rb1 b6 21.a4 Bf5 Attacking the backward pawn on d3 22.Be4 Be4 23.de4 Qe4 24.Qd7 Qc4 25.Qa7 Qd4 26.Rfd1 Qc5 27.Rbc1 Qa5 (better is 27...Ra8!? 28.Qd7 Qb4–/+) 28.Qa5= ba5 29.Rc7 (better is 29.Rc5!?=) 29...Rb4–/+ 30.Rdd7 Rg8 (worse is 30...Ra4 31.Rg7 Rc8 32.Rh7 Kg8 33.Rcg7 (worse is 33.Rc8 Kh7 34.h4 Rb4+=) 33...Kf8 34.Re7+=) 31.Rd5 Ra4 32.Rdc5 Ra1 33.Kg2 a4 34.Rc8? (better is 34.Ra7–/+) 34...h6–+ 35.R8c7 a3 (better is 35...Ra8–+) 36.Ra5 a2 37.Rca7 Rb8 38.Ra2 Ra2 39.Ra2 Rb4 40.Ra7 Kh7 41.h4 Kg6 42.Rc7 Rb2 43.h5 Kh7 44.Ra7 e4 45.Ra3 Rb7 46.Ra4 f5 47.Ra5 Rf7 48.Re5 g6 49.hg6 Kg6 50.Kh3 Kg5 51.Rd5 h5 52.Rc5 Rd7 53.Re5 Rd2 54.Kg2 Kf6 55.Re8 Kf7 56.Rh8?? e3–+ 57.Rh5 Rf2 58.Kg1 Rf3?? 59.Kg2= e2 60.Kf3?? e1Q–+ 61.Rf5 Kg6 62.Rf4 Qf1 63.Kg4 Qe2 64.Rf3 Qe4 65.Rf4 Qe2 66.Kh3?? Kg5–+ 67.Rh4 1–0. ejdrzej (1625) – prutis, internet, 2012.

8.Ne4 Be7=.

8.Nf3 Nc6 9.Be2 (9.Ne4 Be7=) 9...Nge7 10.0–0 0–0 11.d3 b6 12.Ne4 Bd6 13.Nd6 Qd6 14.c4 (14.d4 e4 15.Nd2 f5=) 14...Bb7 15.Qc2 Rad8 16.Rad1 Nf5 17.Rfe1 Nfd4 18.Nd4 Nd4 (worse is 18...ed4 19.Bf3+=) 19.Bd4 Qd4 20.h3 Rd6 21.Qb3 Kh8 22.Rb1 Rfd8 23.Qb2 Qb2 24.Rb2 Rd4 (24...Bc8 25.g4+=) 25.a4 (25.c5 Ra4=) 25...Bc8+= 26.a5 ba5 27.Ra2 Bf5 Attacking the backward pawn on d3 (27...Kg8!?+=) 28.Ra5= R4d7 29.Rea1 h6 30.Ra7 Ra7 31.Ra7 Bd3 32.Bd3 Rd3 33.c5 Rc3 34.Rc7 Kh7 35.g3 Kg6 36.h4 h5 37.Kg2 Kh6 38.c6 g5 39.hg5 Kg5 40.Rc8 Kf5 41.c7 Rc2 42.Kh3 e4 43.Kh4 Rf2 44.Rh8?? Rh2 0–1. ejdrzej (1615) – prutis, internet, 2013.

5.Nc3 Qf7

6.a3 a5 7.b5 Be6 8.Nf3 c5 9.Be2 Bd6 10.0–0 Ne7 (10...Nh6!?=) 11.Ne4+= Nc8 (11...Nf5 12.Nh4 Be7 13.Nf5 Bf5 14.Ng3+=) 12.Nd6 (12.Nfg5!? Qg8 13.Ne6 Qe6 14.Bc4+/–) 12...Nd6+= 13.Re1 (13.Ne5!? fe5 14.Bh5+=) 13...0–0+= 14.d3 (14.h3 Nd7+=) 14...Nb5–/+ 15.a4 Nd4 16.Nd2 Nbc6 17.Bf3 (17.Bh5 g6 18.Bf3 Nb4–/+) 17...Nf3 18.Qf3 Bd5 19.Qd1 Qg6 20.f3 Nb4 21.Ne4 b6 22.c3 Na6 23.d4 cd4 24.cd4 Rfd8 25.Qe2 ed4 26.Bd4 (better is 26.Rad1!?–/+) 26...Be4–+ 27.Qe4 Qe4 28.Re4 (28.fe4?? Rd4 29.e5 fe5 30.Re5 Nc5–+) 28...Rab8 (28...f5 29.Rf4 g5 30.Rf5 Rd4 31.Rg5 Kf7 32.Rf5 Ke6 33.Rb5–+) 29.Rae1? (29.Be3 b5–/+) 29...Nb4 (better is 29...f5 30.Rf4 g5 31.Bb6 Rf8–+ (31...Rb6?! 32.Rf5 h6 33.Ra5–/+)) 30.Bc3 Nd5 31.Bd4 (31.Bd2 Rbc8–/+) 31...b5 32.ab5 Rb5 33.Ba1 Rb4 34.Re6 Rb5 35.Rd1?? (35.R6e4 Ra8 36.Ra4–+) 35...Kf7–+ 36.Ra6 Rd7 37.Bc3–/+ Rdb7 38.Ra5?? Nc3–+ 39.Rb5 Rb5 40.Rd7 Kg6 41.h4 h5 42.g4 hg4 43.fg4 Rb4 44.h5 Kh6 0–1. brozal – anmac (1770), internet, 2013.

6.a3 a6 7.Be2 Bd6 8.Ne4 Ne7 9.Bh5 g6 10.Nd6 cd6 11.Be2 d5 12.Nf3 Nbc6 13.0–0 0–0 14.Re1 (14.d4 e4 15.Nd2 f5+=) 14...Be6 15.b5 ab5 16.Bb5 d4 17.c3 dc3 18.Bc3 Nd5 19.Bb2 Rfd8 20.Rc1 Nf4 21.Re3 (21.d4 Nd4 22.Nd4 ed4=) 21...Rd6 (21...Bd5 22.Rc2+=) 22.Rc5 (22.d4 Rad8=) 22...Rad8+= 23.Qc2 Bd5 24.d3 (24.Bc4 Bc4 25.Rc4 Nd3+=) 24...Kg7 (24...Ne6 25.Rd5 Rd5 26.Bc4–/+) 25.Qd1 (25.Bc6 Rc6 (worse is 25...bc6 26.Ne5 fe5 27.Be5 Kg8 28.Bd6 Rd6 29.Qb2+=) 26.Rc6 Bc6–/+) 25...Qe6 (better is 25...Ne6!? 26.Rc3 Bf3 27.gf3 Ncd4–+) 26.h3+= Kf8 27.Ne1 (27.a4!?=) 27...Ne7 28.g4 h5 (28...Bc6 29.Bc6 Rc6 30.Rc6 Qc6 31.g5–/+) 29.d4+= e4 (29...hg4 30.hg4 Nc6 31.f3+=) 30.Rc7 (30.Ng2 Ng2 31.Kg2 Bc6 32.gh5 Nf5 33.hg6 Ne3 34.fe3 f5=) 30...f5 (30...Bc6 31.Bc6 Nc6 32.Qc2 Nd4 33.Bd4 Rd4 34.Rh7–/+) 31.gh5= Nh5 (31...Bc6 32.Bc6 bc6 33.Rb7=) 32.Nd3 f4 33.Nc5 Qf5 34.Rc3 f3 35.Bc1 (better is 35.Qf1!?+=) 35...Qh3–+ Threatening mate: Qg2. 36.Bh6?? (better is 36.Qf1 Qg4 37.Kh1–+) 36...Kf7 (36...Ng7 37.Qf1 Qh6 38.Qc1–+) 37.Qf1 (37.Bf1 Qg4 38.Kh2 Qh4 39.Kg1–+) 37...Qg4 38.Kh2 Nf4 39.Ne4 Qh5 (39...Be4 40.Re7 Ke7 41.Rc7 Ke6 42.Bc4 Bd5 43.Qe1 Ne2 44.Re7 Ke7 45.Bf8 Rf8 46.Qe2 fe2 47.Bd5 Rh8) 40.Kg3 Ne2 (40...Qh6 41.Re3 Nh5 42.Kf3 Qf4 43.Ke2 Be4–+) 41.Be2+= fe2 (41...Be4 42.Bf3 Qh6 43.Be4 Rd4 A) 44.Bb7 Qg5 45.Kh2 Rh8 46.Rh3 Qe5 47.Kh1 Rh3 (47...Qc7?! 48.Rh8 Qb7 49.Qg2 Qb1 50.Kh2–+) 48.Qh3 Qc7 49.Qh7 Ke6 50.Qh3 Nf5 51.Qb3 Kf6–+; B) 44.R3c4+=) 42.Nd6 Rd6 43.Re3?? (43.Qc1 Be6 44.Qf4 Bf5 45.Re7 Ke7 46.Qe5 Kd7 47.Qg7 Ke8 48.Qf8 Kd7 49.Qc8 Ke7 50.Rc7 Bd7 51.Qf8 Ke6 52.Qg8 Ke7 53.Bf8 Kd8 54.Bd6 Be8 55.Rc8 Kd7 56.Qg7 Bf7 57.Qf7 Kd6 58.Qf6 Kd5 59.Rc5 Ke4 60.Qf4 Kd3 61.Qe3) 43...ef1N (43...ef1N 44.Kf4 Qf5; 43...ef1B?? 44.Ree7 Kf6 45.Bg7 Kf5 46.Re5; 43...ef1Q?? 44.Ree7 Kf6 45.Bg7 Kf5 46.Re5; 43...ef1R?? 44.Ree7 Kf6 45.Bg7 Kf5 46.Re5). Ziolkowski,T – Rogozinski,Z, corr, 1996.

6.a3 a6 7.Nf3 Be6 8.Be2 Bd6 9.0–0 Ne7 10.d4 White fights for the Initiative 10...Nd7 11.Ne4 Ng6 12.Rc1 Rd8 13.c4 0–0 14.d5 Bg4? (14...Bf5 15.Ng3 Bg4+/–) 15.c5+– (15.Nd6?! cd6 16.Ne5 de5 17.Bg4 f5+–) 15...Be7 16.d6 Nb8 17.de7 White is in command. White gets strong play along the open d–file 17...Rd1 (17...Qe7 18.Qc2+–) 18.ef8Q Kf8 19.Rfd1 (19.Rcd1?! Nf4 20.Rfe1 Ne2 21.Re2 Qb3+–) 19...Nf4 20.Bc4 Qg6 21.Ng3 Nc6 22.b5 ab5 23.Bb5 Bf3 24.gf3 Qh6 25.Bf1 Qg5 26.Rc4 h5 27.Kh1 h4 28.Ne2 Qh5 29.Ng1 Qf5 30.Re4 Ne7 (30...g5+–) 31.Rd8 Kf7 32.Bc1 Ned5 33.Bf4 Nf4 34.Rb8 Qd7 35.Rb7 Qc6 36.Rb5 Qd7 37.Rb1 Qd2 (37...Qd2 38.Rb7 Qd7+–). Grosmelder,Karl – Beketov,Viktor, Moscow open, 1999.

6.a3 c5 7.bc5 Bc5 8.Bb5 Nc6 9.Nge2 Nge7 (9...a6 10.Bc6 bc6 11.d4 ed4 12.Ne4=) 10.0–0 (10.Ne4 b6 11.d4 ed4 12.Nd4 Bb7+=) 10...a6 11.Ba4 (11.Ne4 ab5 12.Nc5 0–0=) 11...Be6 (11...Qg6!?+=) 12.Ne4= b6 13.d4 ed4 14.Nd4 Rd8? (14...0–0–0 15.Nc5 bc5 16.Bc6 Nc6+=) 15.c3?? (better is 15.Nc5 bc5 16.Nc6 (worse is 16.Bc6 Nc6 17.Nc6 Rd1 18.Rad1 0–0–/+) 16...Rd1 17.Ne5 (17.Rad1?! Nc6 18.Bc6 Ke7=; worse is 17.Rfd1 Nc6 18.Bc6 Ke7+=) 17...Rd7 18.Bd7 Bd7 19.Nf7 Kf7 20.Rad1+–) 15...0–0 16.Nc5 (16.Re1!? Bc4 17.Nd2=) 16...bc5–/+ 17.Ne6?? (better is 17.Nc6 Rd1 18.Rad1 Nc6 19.Bc6–/+) 17...Rd1–+ (17...Qe6?! 18.Qc2=) 18.Bd1 (18.Rfd1 Qe6 19.Rd2 Rb8–+) 18...Qe6 19.Rc1 Kh8 20.c4 Nd4 21.h3 Ne2 22.Be2 Qe2 23.Ba1 Nc6 24.Rfe1 Qa2 25.Re6 Nd4 26.Ra6 Ne2 (26...Ne2 27.Kh2 Nc1–+) 0–1. ejdrzej (1665) – namrezy (1675), internet, 2013.

6.a3 c6 7.d4 ed4 8.Qd4 Be6 9.Nf3 Nh6 10.Qe4 Be7 11.Nd4 Bd7 12.Rd1 (12.Bd3 Ng4+/–) 12...Qg6 (12...a5 13.Ncb5 0–0 14.Nc7+/–) 13.Qg6+/– hg6 14.Bc4 Ng4 15.Be6 (15.h3 Ne5 16.Be6 c5 17.bc5 Bc5+=) 15...Rh5 (15...Nh2!? 16.Ke2 Rh5+=) 16.0–0 Re5 (better is 16...Bd6!? 17.h3 Bh2 18.Kh1 Be5+/–) 17.Bd7+– Nd7 18.h3 Nh6 19.f4 Rh5 20.Ne6 Kf7 21.Rfe1 (21.Ng7 Kg7 22.Rd7 Kf8+–) 21...Nb6 22.Ng7! Rh4 (22...Kg7 23.Re7 Double attack (23.Re7 Discovered attack; 23.Re7 Deflection; 23.Re7 Overloading)) 23.g3 Rh3 24.Kg2 Rh5 25.Nh5 gh5 26.Ne4 Rg8 (better is 26...Nf5+–) 27.Nd6 (better is 27.Bd4 Nd5 28.Kf3+–) 27...Bd6+/– 28.Rd6 Rg3 29.Kg3 Nf5 30.Kh3 Nd6 31.Kh4 Ndc4 (31...Kg6!?+=) 32.Bc1+– Nd5 33.Kh5 Nd6 34.Kg4 Nc3 (34...f5 35.Kg5+–) 35.Kf3 Nf5 (35...Nc4 36.f5+–) 36.Bb2 Nd5 37.Rh1 (37.c4 Nb6 38.Rc1 c5+–) 37...Kg7 (37...Nd6 38.Rh7 Ke6 39.Bd4+–) 38.c4 Nb6 39.Rc1 Kf7 40.Ke4 Ke6 41.Bd4 Nc8 42.Kd3 (42.Re1 b6+–) 42...b6 (42...Nd4 43.Kd4 Kf5 44.Rg1+–) 43.Rh1 a5 44.Rh8 Nfe7 45.ba5 ba5 46.Bc3 a4 47.Rf8 f5 48.Bb4 Nd6 49.Kd4 Ng6 (49...Kd7+–) 50.Bd6 (50.Bd6 Nf8 51.Bf8+–) 1–0. Nikishin,Sergey (2050) – Magomedov,Murad M, Chess Tournament, 2012.

6.a3 c6 7.Nf3 Be6 8.Be2 Nd7 9.0–0 Be7 10.d3 Nh6 11.Ne4 0–0 12.c4 Rad8 13.Qc2 Nb6 14.Ng3 Nf5 15.Rad1 Nd4 16.Nd4 ed4 17.Bf3 Bd6 18.Rfe1 Bc7 19.Bc1 Rfe8 20.Ne4 Bf5 21.Nc5 h6 22.Nb7 Bh2 23.Kh2 Qb7 24.Kg1 Qc7 25.g3 (better is 25.c5!? Re1 26.Re1+/–) 25...Nd7 26.Bf4 Ne5 27.Be5 fe5 28.Be4 Bg4 29.Rc1 c5 30.b5 Kh8 31.a4 Rf8 32.Rf1 Bf3 33.Bf3 Rf3 34.Qe2 Rdf8 35.Rce1 Qa5 36.Qe5 Rd3? (better is 36...Qb4!?+=) 37.Qc5+– Rg8 38.Re7 Qa4 39.Ra7 Qc2 40.b6 Rd1 (40...Qb3!? 41.Qc6 Rf3 42.c5+–) 41.Rd1 Qd1 42.Kh2 d3 43.b7 d2?? (better is 43...Qf3 44.Qe3 Qe3 45.fe3 d2+–) 44.Ra8 Qh1 45.Kh1 d1Q 46.Kh2 Qb3 47.Rg8 Kg8+– 48.Qc8 Kh7 49.b8Q Qb2 50.Qf5 g6 51.Qf7 Qg7 52.Qbg8# 1–0. ejdrzej (1760) – perseu2 (1875), internet, 2012.

6.a3 Nc6 7.Bb5 Bd7 8.Nge2 0–0–0 9.0–0 Nge7 10.d3 Nf5 11.Bc6 Bc6 12.b5 Bd5 13.Nd5 Qd5 14.Nc3 Qd7 15.a4 Nd4 16.Ne4 Ne6 17.Bc1 Be7 18.Be3 Kb8 19.Nd2 f5 20.f3 Bc5 21.Bc5 Nc5 22.Qe2 Rhe8 23.Kh1 Qd4 24.a5 Re6 25.Rfe1 Na4 (25...Rde8 26.b6=) 26.Nc4 (better is 26.Nb3 Qb4 27.Ra4 Qa4 28.Nc5+–) 26...Nc3+= 27.Qe3 Qe3 28.Re3 Rd5 29.b6 Rb5 (better is 29...ab6 30.ab6 f4 31.bc7 Kc7=) 30.d4!+/– Nd5 (30...ed4 31.ba7 Double attack (31.Re6 Pinning; 31.Re6 Deflection)) 31.Ree1 e4 32.ba7 Ka7 33.Ne5 Nb4 34.Re2 ef3 35.gf3 Ra6 Exerts pressure on the isolated pawn 36.Nc4 Nc6 The pressure on the isolated pawn grows 37.c3 Na5 38.Na5 Rba5 39.Ra5 Ra5 40.Re7 Kb6 41.Rg7 Ra3 42.Rf7 Rc3 43.Rf5 Kc6 44.Kg2 b5 45.Rf8 (better is 45.Rf6!? Kb7 46.Rh6+=) 45...b4–/+ 46.Rb8 Rc4 47.Rd8 Kb7 48.Rd5 c6 49.Rd7 Kb6 50.Rh7 b3 51.Rh8 Rb4 52.Rb8 Ka5 53.Ra8 Kb5 54.Ra1 b2 55.Rb1 Kc4 56.h4 Kc3 57.h5 Kc2 (worse is 57...Rd4 58.Kg3–+) 58.Rh1 b1Q 59.Rb1 Kb1 (worse is 59...Rb1 60.Kg3–+) 60.f4 Rd4 61.Kg3 (61.Kf3 c5 62.Ke3–+) 61...c5 62.f5 c4 (62...c4 63.f6 c3–+) 0–1. Thoeny,Hermann (2175) – Scheffknecht,Philipp (2175), AUT–chT2W, 2006.

6.a3 Nc6 7.Bb5 Bd7 8.Nge2 a6 9.Ba4 Nge7 10.0–0 Nf5 11.f4 b5 (11...0–0–0 12.Ne4=) 12.Bb3+= Be6? (12...Qh5 13.fe5 Ne5 14.Qe1+=) 13.Be6 (13.fe5 Bb3 14.cb3 (14.Rf5?! Be6 15.Rf4 Ne5+=) 14...fe5 15.g4+–) 13...Qe6+= 14.fe5 fe5 15.Ne4 Be7 16.N2g3 0–0 17.Qh5 (17.Rf5 Rf5 18.Nf5 Qf5=) 17...g6 (17...Ng3 18.Ng3 (worse is 18.hg3 Rad8+=) 18...a5 19.ba5 Bc5 20.Kh1 Ra5 21.Ne4 Ba3 22.Rf8 Bf8 23.Ra5 Na5 24.Qe5 (worse is 24.Be5 Nc6 25.d4 Qc4–/+) 24...Qe5 25.Be5=) 18.Qg4 Kh8 19.Rae1 Nfd4 20.Qe6 Ne6 21.Nf2 Bd6 22.Ng4 The pressure on the isolated pawn grows 22...Rf1 23.Nf1 Ned4 24.Bd4 (24.c3!? Nb3 25.d4 ed4 26.cd4 Ncd4 27.Rd1=) 24...ed4+= (worse is 24...Nd4 25.c3 (worse is 25.Ne5 Nc2 26.Rc1 Nd4–/+) 25...Nc6 26.d3=) 25.d3 (better is 25.Nf6!?+=) 25...a5–+ 26.ba5 Ba3 27.Re6 Bd6 28.Nd2 Ra5–+ 29.g3 Ra2 30.Ne4 Rc2 31.Nd6 cd6 32.Rd6 b4 33.Rd7–/+ Kg8 34.Nf6= Kf8 35.Nd5?? b3–+ 36.Rb7 b2 37.Nf6 Rc1 38.Kg2 b1Q 39.Rb1 Rb1 40.Nh7 Kg7 41.Ng5 Rb3 42.Ne6 Kf6 43.Nc5 Rc3 44.Ne4 Ke5 45.Nf2 Nb4 46.Ng4 Ke6 47.h4 Nd3 48.Nh6 Ne5 49.Kf2 Rf3 50.Kg2 d3 51.Ng4 d2 52.Ne5 Rd3! 53.Nd3 d1Q (53...d1Q 54.Nf2 Qd5 55.Kg1 Kf5–+) 0–1. ejdrzej (1755) – otrebusy (1795), internet, 2013.

6.a3 Nc6 7.Bb5 Bd7 8.f4 ef4 9.Qe2 Nge7 10.Nf3 0–0–0 11.0–0 Bg4 12.h3? Bf3?? 13.Qf3–/+ g5 14.Ne4 Bg7 15.Nc5 Rd2–+ 16.Rae1 Rhd8?? 17.Bc1?? Rc2–/+ 18.Ba4 Ra2?? 19.Bb3+– Rad2?? 20.Bf7 (20.Bf7 Rc2 21.Re7 Rc5 22.Be6 Kb8 23.Rg7+–) 1–0. orangutanb4 (1940) – bajri (1850), internet, 2011.

6.a3 Be7 7.Nf3 c6 8.Be2 Nh6 9.0–0 0–0 10.d3 Nf5 11.Ne4 Be6 12.c4 Nd7 13.Qc2 Rad8 14.Nc5? (better is 14.Rfe1=) 14...Nc5–+ 15.bc5 Bc5 16.h3 Nd4 17.Nd4 Bd4 (17...Rd4?! 18.Bd4 Bd4 19.Rab1+=) 18.Bd4 Rd4 19.Bf3 Rfd8 20.Be2 (20.Rfd1 Qg6 21.Be4 Qg5–+) 20...Bf5 21.Rfd1 Qg6 22.Qb2 (22.Kh2–+) 22...Bh3 23.Bf1 Bc8 24.Rab1 h5 25.Qb4 h4 26.a4 Rg4 27.Qe7 Rd7 28.Qc5 h3 29.g3 Rf4 30.Bh3 Rd3 31.Rd3? Qd3 32.Bc8 Qb1 33.Kh2 Rf3 34.Be6 Kh7 35.Bg4 Rc3 36.Qd6 Qc2 37.Kg2 Qe4 38.f3 Rc2 39.Kh3 Qg6 (39...Qg6 40.Qd3 Qd3 41.Bh5 Qf5 42.Bg4 Qg5 43.Bf5 Qf5 44.g4 Qf3 45.Kh4 Rh2#) 0–1. ejdrzej – otrebusy (1745), internet, 2012.

6.a3 Ne7 7.f4 ef4 8.Nf3 Ng6 9.Bd3 Bd6 10.0–0 0–0 11.Ne4 Be5 12.Ne5 fe5 13.Qe2 Nc6? 14.Bc4+– Be6 15.Be6?? Qe6= 16.Nc5 Qd5 17.c4 Qf7 18.Nb7 Rad8? 19.Nc5 Nd4 20.Bd4 Rd4 21.Rad1 Qc4=+ 22.d3 Qf7 23.Rc1 Re8 24.Ne4 Nh4 25.Rc3 Nf5 26.Rfc1 Re7 27.Ng5 Qg6 28.Nf3 Rdd7 29.Qe4 Ne3 30.Qg6 hg6 31.Kf2 Kh7 32.g3 Kh6 33.Re1 g5 34.gf4 gf4 35.Re3=+ fe3 36.Ke3 g5 37.h3 Kh5 38.Rc5 g4 39.hg4 Kg4 40.Ne5 Kf5 41.d4 c6? 42.Kd3+– Rd5?? 43.Nc6 Rc5 44.Ne7 Ke6 45.dc5 Ke7 46.b5 Kd7 47.Kd4 Kc7 48.a4 Kb7 49.a5 Kc7 50.Kd5 Kb7 51.Kd6 Kc8 52.Kc6 Kb8 53.b6 a6 54.Kd7 (54.Kd7 Kb7 55.c6 Ka8 56.c7 Kb7 57.c8Q) 1–0. orangutanb4 (1940) – maniuszek (1720), internet, 2011.

6.a3 Nh6 7.Be2 Nc6 8.Nf3 a6 9.0–0 Bd6 10.Ne4 Bf5 11.Nd6+= cd6 12.d4 0–0 13.Bd3?? e4–+ 14.Be2 ef3 15.Bf3 d5 16.Bc1 g5 17.h4 Be4 18.Be4 de4 19.hg5 fg5 20.Bg5 Qg6 21.Bh6–/+ Qh6 22.d5?? Ne5–+ 23.Re1 Qf4 24.Qe2 Ng4 25.g3 Qf2 26.Qf2 Nf2 27.c4 Rae8 28.a4 Nd3 29.Re2 Nb4 30.Rb1 a5 31.Rbe1 Nd3 32.Rb1 Nc5 33.Rb5 Na4 34.Ra5 Nb6 35.Rb5 Nc4 36.Rb7 Rf3 37.Kg2 Ne3 38.Kh3 Nd5 39.Rc2 e3 40.Rbb2 Rf7 41.Kg2 Rfe7 42.Kf3 e2 43.Re2 Re2 44.Re2 Re2 45.Ke2 Kg7 46.Kf3 Kg6 47.Kg4 h5 48.Kh4 Nf6 (48...Nf6 49.Kh3 Kg5–+; 48...Ne3 49.Kh3–+). shoulders – jammboy, ChessWorld.net, 2007.

6.a3 Nh6 7.Nf3 Bd6 8.Ne4=.

6.a3 Nh6 7.Nf3 Be7 8.d4 ed4 9.Qd4 (9.Nb5 Qe6 10.Qe2 Qe2 11.Be2 Na6+/–) 9...Nc6 10.Bb5 Bd7 11.Qe4 0–0–0 12.0–0 Bd6 (12...Rhe8 13.Bc4 Qf8 14.Qh4=) 13.Bc4 Qh5 14.Nb5 Bg4 15.Be6 (15.Rfe1 Bf3 16.Nd6 Rd6 17.Qf3 Qf3 18.gf3 Rhd8+=) 15...Kb8 (15...Be6 16.Qe6 Kb8 17.Nd6 Rd6 18.Qe4=) 16.Bg4 Ng4 h2 draws heavy fire 17.Nd6 Rd6 18.Rfe1 Rdd8 (18...g6 19.h3 Nh6 20.Rad1 Rd1 21.Rd1+/–) 19.h3 Nh6 20.a4 (20.Rad1 Rd1 21.Rd1 Nf7=) 20...Rde8= 21.Qc4 Qf7 (21...Nf7 22.Qc3=) 22.Qc3 (22.Qc5 Re1 23.Re1 Rd8+=) 22...Nf5 23.b5 Nce7 24.a5 Nd6 (24...Nd5 25.Qc5+=) 25.b6 ab6 (25...Qc4!?+=) 26.ab6+/– Nd5 27.bc7 ½–½. Woschkat,Karl_Heinz – Sicker,Rolf, CiF, 1995.

6.b5 a6 7.a4 Bc5 8.Qf3 Ne7 9.Nge2 0–0 10.Ng3 ab5 11.ab5 Ra1 12.Ba1 c6 13.Be2 Be6 14.0–0 Rd8 15.Nce4 Bb6 16.Rd1 cb5 17.Bb5 Nbc6 18.h3 h6 19.c3? (better is 19.d3=) 19...f5–+ 20.d3 fe4 21.Ne4? (21.Qf7 Kf7 22.Ne4–+) 21...Qf3 22.gf3 Bh3 23.Kh2 Be6 24.Rg1 Kf7 25.Bb2 g5 26.Ba3 Nd5 (26...Na7 27.Rb1 Nec8 28.Bc4–+) 27.c4 (27.Nd6 Kf6 28.Nb7 Ra8–+) 27...Nf4 28.Nd6 Kf6 29.Nb7 Rd3 30.Bf8 (30.Bc6 Ra3 31.c5–+) 30...Rf3 31.Rg3 Rf2 32.Kh1 Nd4 33.Bh6 Nf3 34.Bg5 Ng5 35.Kg1 (35.Nd6–+) 35...Rg2 (35...Ne2 36.Kh1 Ng3 37.Kg1 Nf3) 36.Kf1 Rg3 37.Nd6 Rg1 0–1. brozal – anmac (1750), playok.com, 2013.

6.b5 Bb4 7.Be2 Ne7 8.Bh5 g6 9.Bf3 Bc3 10.Bc3 Nd7 (10...a6 11.a4=) 11.Ne2 Nc5 12.Bb4 e4 (12...Qc4 13.Bc5 Qc5=) 13.Bg4 (13.Bc5 ef3 14.gf3 b6 15.Be7 Qe7=) 13...Ne6 (13...Bg4 14.Bc5 Qc4 15.Be7 Ke7 16.Rb1–/+) 14.0–0 (14.Nc3 Nd4 15.Bc8 Rc8=) 14...Nd5 (14...f5 15.Bh3 Ng5 16.f3 ef3 17.Nd4+=) 15.Ba3 (better is 15.Be6!? Be6 16.Bc5=) 15...f5–/+ 16.Bh3 Nef4 (16...Ng5 17.Bb2 0–0 18.d3–/+) 17.Nf4 (17.f3 Nh3 18.gh3 ef3+=) 17...Nf4–/+ 18.d3 (18.f3 Nh3 19.gh3 Qd5–/+) 18...Nh3 19.gh3 Bd7 20.Bb2 Rf8 21.c4 0–0–0 22.Qa4 Kb8 (worse is 22...ed3 23.Qa7 Be6 24.Qa8 Kd7 25.Qb7+=) 23.Be5 (23.Bd4 b6–/+ (23...ed3 24.Qa7 Kc8 25.Qa8)) 23...f4 (23...ed3 24.Bd4 a6 25.Rfd1–/+) 24.c5 (24.Bd4 b6 (24...Bh3?! 25.Qa7 Kc8 26.Qa8 Kd7 27.Qb7=) 25.de4 Bh3 26.Bb6 cb6–+) 24...Qe7 (worse is 24...ed3 25.Qa5 Bb5 26.Qb5+=) 25.Qe4 Bf5 (25...Qc5 26.Rfc1 Qb6 27.Bc7 Qc7 28.Rc7 Kc7 29.Qe5 Kb6 30.d4 Bb5 31.Rb1+–) 26.Qe1?? (better is 26.Qf4 Bd3 27.Qe3 Bf1 28.b6–/+) 26...Bh3–+ 27.Kh1 Rfe8 (better is 27...Bf1 28.b6 Ka8–+) 28.d4 Bf1 (28...Qe6 29.Qe4 Bf1 30.Rf1–+) 29.Qf1 Qe6 30.a4 Qd5 (30...Rd5 31.Rc1–+) 31.f3–/+ Re5 (31...Re6 32.a5–/+) 32.de5 Qe5 (32...Qc5 33.Re1–/+) 33.c6 Re8 (33...bc6 34.bc6 Ka8 35.Rd1 Rd1 36.Qd1–/+) 34.Rd1 Qe6 (34...Qe3 35.cb7 Kb7 36.Rc1–/+) 35.cb7+= Qe2 (35...Qb3 36.Rd4+=) 36.Qe2 Re2 37.h4 (37.Rd4 g5+=) 37...Rf2 38.Rd3 (38.Rd7 h6 39.Rg7 Rf3 40.Rg6 Rh3 41.Kg2 Rh4–/+) 38...h6 39.Kg1 Ra2 40.h5 gh5 (40...g5!? 41.Rd4 Kb7–/+) 41.Rd4= Ra4?? (better is 41...Kb7 42.Rf4 a6=) 42.Ra4+– 1–0. Mroz,Antoni – Barszcz,E, corr Poland, 1985.

6.b5 Bb4 7.Be2 Ne7 8.Bh5 g6 9.Bf3 c6 10.bc6 Nbc6 11.Nge2 Be6 12.Ne4 0–0–0 (12...Nf5 13.a3 Be7 14.0–0+=) 13.a3 Ba5 14.N2c3 Nd4 15.0–0 Nec6 16.d3 (16.Rb1 Qe7 17.Be2 f5+=) 16...h5 (16...Nf3 17.Qf3 Nd4 18.Qd1= (18.Qf6? Qf6 19.Nf6 Bc3 20.Bc3 Ne2 21.Kh1 Nc3–+)) 17.Na4 g5 18.Bd4 Nd4 19.Nec5 Bd5 20.Bd5 Qd5 21.Rb1 Rh7 22.Nb3 (22.c3 Nf5 23.Qc1 Qc6=) 22...Bc7 (22...Nb3 23.Rb3 Rc7 24.Nb2=) 23.Nd4 (23.Nc3!? Qc6 24.Nd4 ed4 25.Nb5=) 23...ed4+= 24.g3 h4 (24...h4 25.Qe2 f5–/+) 0–1. Thies,Reimer – Marshall,Ian H, corr ICCF WT/I93, 1984.

6.b5 b6 7.Qf3+/– c6 8.bc6 Qc7? (8...Na6 9.Bd3+/–) 9.Bb5?? (better is 9.Nb5 Qc6 10.Qc6 Nc6 11.Nc7 Kd8 12.Na8+–) 9...Be6 10.Nd5 Bd5 11.Qd5 a6 12.Bc4 Nh6 (12...Nc6 13.Nf3+=) 13.Qe6 Be7 (13...Kd8 14.Qd5 Ke8 15.d4 ed4 16.Qe4 Be7 17.Bd5+/– (17.Bd4?! Nc6 18.Be3 f5=)) 14.Bd5+/– b5 (14...Kd8!?+/–) 15.a4 (15.Ba3 Nf5 16.Be7 Ne7 17.Qf7 Kd8 18.Qg7 Re8 19.Qf6 Nbc6+–) 15...b4 16.c3 a5 17.Nf3 (17.cb4 ab4 18.d4 ed4 19.Bd4 Ra6+–) 17...Ra6? (better is 17...Na6!? 18.cb4 Rd8+–) 18.cb4+– Nc6 (18...ab4 19.d4 ed4 20.Nd4 Qd6 21.Qc8 Qd8+–) 19.b5 Nb4 20.Qa6 (20.ba6 Nd3 21.Kf1 Kd8+–) 20...Nd3?? (better is 20...Na6 21.ba6 Qd7=) 21.Kf1+– Nc5 (21...Nb2 22.b6 Qc5 23.Qa8 Kd7 24.Qh8 Nd3 25.Bc6 Qc6 26.Qh7 Nf4+–) 22.Qa8 Bd8 (22...Qd8 23.Qd8 Bd8 24.d4+–) 23.Rc1 Ke7 (23...Qb6 24.Be5! fe5 25.Qc6 Qc6 26.Bc6 Ke7 27.Rc5 Bc7+–) 24.Ba3 Qd7 25.Bc5 Ke8 26.Bc6 (26.Bc6 Qc6 27.Qc6 Kf7 28.Qd7 Kg6 29.h4 Nf5 30.h5 Kh6 31.Qf5 g5 32.hg6 Kg7 33.Qd7 Be7 34.Qe6 Rf8 35.Qe7 Rf7 36.Qf7 Kh8 37.Rh7) 1–0. GuestKKQL – GuestWHGZ, freechess.org, 2018.

6.b5 c5 7.a4 Nh6 8.Nf3 Be6 9.Be2 Be7 10.0–0 Nd7 11.Ne4 0–0 12.d3 Rfd8 13.Qb1 Nf5 14.c3 Nb6 15.a5 Nd5 16.g3 Rac8 17.c4 Nb4 18.Bc3 Nd4 19.Bb4?? (better is 19.Nd4 ed4 20.Bd2=) 19...Ne2–+ (19...cb4?! 20.Nd4 Rd4 21.f4+=) 20.Kg2 cb4 21.c5 (21.Qe1 Nd4 22.Nd4 Rd4–+ (worse is 22...ed4 23.f4–+)) 21...Nd4 22.Nd4 Rd4 (worse is 22...ed4 23.b6–+) 23.Rc1 Bd5 24.f3 f5 25.Nd6 (25.Nd2 Bg5 26.Rc2 Qh5–+) 25...Bd6 (better is 25...Qh5 26.Rf1 Rc5 27.Nb7 Bb7 28.b6–+) 26.cd6 Qd7 27.Rc8 Qc8 28.Qc1 Qc1 29.Rc1 Be6 (worse is 29...Rd3 30.d7 Bf3 31.Kf2–+) 30.Rc7 Rd6 31.Rb7 b3 32.b6 ab6 33.Rb6 (33.a6 Bd5 34.d4–+) 33...Rb6 34.ab6 Bd5 0–1. typ48 – gallaja (1630), internet, 2012.

6.b5 c5 7.bc6 Nc6 8.Bb5 Bd7 9.Nf3 Nh6 10.0–0 Bc5 11.h3 0–0 12.Bc6 Bc6 13.Qe2 Rfd8 14.d3 Nf5 15.Ne4 (15.Kh2 Nd4 16.Nd4 ed4–/+ (16...Rd4?! 17.Ne4 Be4 18.Bd4 Bd4 19.Qe4=)) 15...Nd4 (better is 15...Be4 16.Qe4 Ng3–+) 16.Nd4 Bd4 17.Bd4 Rd4 18.c3 Ra4 19.c4 Be4 20.Qe4 Rd8 21.Rab1 b6 22.Rb2 Qd7 23.Rd1 Qd4 24.Qd4 Rd4 25.Rbd2 a6 26.Kf1 b5 27.cb5 ab5 28.Ke2 Kf7 29.Rc2 h5 30.Rb1 b4 31.Rc7 Kg6 32.Rb7? (better is 32.Rb2!?+=) 32...Ra2–+ 33.Ke3 f5 (33...Ra4!? 34.Rc1–+) 34.R7b4 f4 35.Kf3 Rd3 36.Ke4 Rd4 37.Ke5 Rb4 38.Rb4 Rf2 39.Rf4 Rg2 40.h4 Rg4 41.Rg4?? (better is 41.Re4–/+) 41...hg4–+ 42.Kf4 Kh5 43.Kg3 g6 44.Kh2 Kh4 45.Kg2 g3 46.Kh1 Kh3 47.Kg1 g2 (better is 47...g5 48.Kf1–+) 48.Kf2 Kh2 (48...Kh2 49.Ke3 g1Q 50.Ke4 g5 51.Ke5 g4 52.Kf4 Qd4 53.Kg5 g3 54.Kg6 g2 55.Kf7 Qd6 56.Kg7 g1Q 57.Kh7 Qgg6 58.Kh8 Qd4#) 0–1. typ48 – gallaja, internet, 2012.

6.b5 c5 7.Be2 Nh6 8.Bh5 g6 9.Bf3 Be6 10.a4 Bg7 11.Ba3 Qc7 12.Nd5 Bd5 13.Bd5 Nd7 14.Qf3 Rb8 15.c4 Nf5 16.Be6 Nd4 17.Bd7 Qd7 (17...Qd7 18.Qd3 Qg4–/+) 0–1. typ48 – gallaja (1615), internet, 2012.

6.b5 c5 7.Ne4 b6 (7...Be6 8.Qe2=) 8.Ne2 Bb7 9.N2g3 Be7 (9...Nd7 10.a4=) 10.f3 (10.Qf3 g6+=) 10...f5 (10...Nh6 11.a4=) 11.Nf2 Nd7 12.Bd3 (12.Qe2 f4 13.Nge4 Ngf6=) 12...Nh6 13.Qe2 0–0–0 (13...0–0 14.Nd1= (14.Be5?? Ne5 15.0–0 Bd6–+)) 14.Bc4 (14.a4 Bh4=) 14...Qg6 (14...Bd5 15.Bd5 Qd5 16.a4=) 15.Nd3 Will e5 fall? (15.0–0 Bh4=) 15...Bf6 (15...Bd6 16.0–0–0+= (16.Ne5? Ne5 17.0–0–0 Rhe8–+)) 16.a4 (16.0–0 Rhe8+=) 16...Rhe8 17.0–0–0 (17.a5 e4 18.fe4 Bb2 19.Nb2 f4 20.ab6 ab6–+) 17...e4+= 18.fe4 fe4 19.Nf2 (19.Ne1 Ne5 20.Bb3 Neg4 21.Bf6 Qf6–+ (21...Nf6?! 22.Nf1–/+; 21...gf6?! 22.Kb1–/+)) 19...Bb2 (19...e3 20.Nh3 Bb2 21.Kb2–+) 20.Kb2–/+ Nf5 (better is 20...e3!? 21.Nd3 Ng4–/+) 21.Nf5+= Qf5 22.Ng4 h5 (22...Ne5 23.Ne3 Nc4 24.Qc4 Qe5 25.Qc3+=) 23.Ne3= Qe5 24.Ka3 (24.Kb1 Nf6=) 24...Nf6+= 25.g3 Kb8 (25...Bd5 26.Nd5 Nd5 27.Rhf1+=) 26.Rhf1 Bc8 27.Qg2 (27.Ka2 Be6+=) 27...Rd4 (27...Be6 28.Qe2+=) 28.Bb3 (28.Qe2 Bh3 29.c3 Rd7+= (29...Bf1 30.cd4 Be2 31.de5 Bd1 32.ef6 gf6 33.Nd1+=)) 28...c4 (28...Be6 29.Qf2 Red8 30.c3–/+) 29.c3+= Qc5 (29...Be6 30.Qf2 Rd3 31.Nc4 (31.Bc4? Re3 32.Qe3 Bc4–+) 31...Bc4 32.Bc4+=) 30.Kb2 cb3 31.cd4 Qd4 32.Ka3 Qc5 33.Kb2 Qb4 34.Qe2 (34.Ra1 Bh3 35.Qh3 Qd2 36.Ka3 Qe3–/+) 34...Qa4 35.Ra1 Qd4 36.Kb1 (36.Ka3 Rd8–/+) 36...Be6 37.Nf5 (better is 37.Ra6!?–/+) 37...Qc5 38.Ne3 Rc8 (better is 38...b2 39.Ra4 Bd7–+) 39.d3?? (39.Kb2–+) 39...Qb5 (39...ed3 40.Qf2 d2 41.Qd2–+) 40.Nc4 (40.Rd1 Rc3 41.Nc4 Bc4 42.dc4 Qc4 43.Qc4 Rc4–+) 40...Rc4 (40...Bc4 41.dc4 Rc4 42.Qd2–+) 41.Rf6 gf6 (41...ed3 42.Qe6 gf6 43.Qd6 Rc7 44.Ra7–+) 42.dc4 Bc4 (42...Qe5 43.Qb2 Qb2 44.Kb2 Bc4 45.Ra4–+) 43.Qd2 Bd3 (43...Qd5 44.Qf4 Kb7 45.Qf6 Qd3 46.Kb2 Qd2 47.Ka3–+) 44.Kb2 a5 (44...Qe5!? 45.Qc3 Qc3 46.Kc3–+) 45.Qf4 Kb7 (45...Qe5 46.Qe5 fe5 47.Kb3–+) 46.Qf6 a4 (46...Qb4 47.Qg7 Ka6 48.Qh8 Qd2 49.Ka3–+) 47.Qg7 (47.Qd4!?+=) 47...Ka6–/+ 48.Qc7 (better is 48.Qd4!? Ka5 49.Rc1–/+) 48...Ka5–+ 49.Qc3 Qb4 50.Qe5 (50.Qh8 Qd2 51.Ka3 Qc2 52.Qh5 b5–+) 50...Bb5 (better is 50...Qc5 51.Qc5 bc5–+) 51.Qh8?? (51.Qd5 Qc4 52.Qd2 Ka6 53.Qd1–+) 51...Qd2 52.Ka3 Qd6 (better is 52...b2 53.Qa8 Ba6 54.Rf1–+) 53.Kb2 Qc6 54.h3 (54.Qc3 Qc3 55.Kc3 Bd3–+) 54...e3 (54...Qc2 55.Ka3 Qc5 56.Kb2 Kb4 57.Qd4 Qd4 58.Kc1 Kc3 59.Ra4 Qg1) 55.Qc3 Qc3 56.Kc3 Bd7 (56...Ba6 57.Rd1 e2 58.Rd5 b5 59.Re5–+) 57.Re1 Bh3 58.Re3 Bg4 (58...b5 59.Re5 Bg4 60.Re4–+) 59.Kb2 (59.Re8 b5–+) 59...b5 60.Re5 (60.Re4 Bd1 61.Rd4 Bc2–+) 60...Kb4 61.Re4 Kc5 62.Ka3 Kd5 (62...Bf3 63.Rf4 Be2 64.Re4–+) 63.Rb4 Be2 64.Rh4 (64.Rf4 Bc4 65.Rh4 Ke5–+) 64...Bg4 65.Rh1 Kc4 (65...Ke4 66.Rf1–+) 66.Rc1 (66.Kb2 b4 67.Rc1 Kb5–+) 66...Kd4 (66...Kd3 67.Re1 Kc2 68.Rf1–+) 67.Rc6 (67.Re1 Bf5 68.Rf1 Bd3–+) 67...Bf3 (67...Ke3 68.Rf6–+) 68.Rf6 (68.Rb6 Ke3 69.Rb5 Kf2–+) 68...Ke3 69.Rf5 (69.Rb6 Be2–+) 69...Be2 (69...b4 70.Kb2 Bd1 71.Ra5 a3 72.Ra3 ba3 73.Ka3–+) 70.Re5 (70.Kb2 Bc4 71.Rf4 h4 72.Rh4 Kf3–+) 70...Kf2 71.Rg5 (71.Kb2 Bc4 72.Rh5 b4 (worse is 72...Kg3 73.Rc5–+) 73.Rh2 Kg3–+) 71...Bg4 (better is 71...b4 72.Kb2 Bc4 73.Rf5 Kg2–+) 72.Rb5 Kg3 73.Rb8 (73.Rd5 h4 74.Rd3 Kf4 75.Ka4 Be6–+) 73...h4 74.Ka4 Bd1 75.Rd8 Bc2 76.Rg8 Kh2 (better is 76...Kf2 77.Rf8 Kg2 78.Rg8 Kf3 79.Rf8 Kg4 80.Rg8 Kh3 81.Ka3–+) 77.Ka3 h3 78.Kb2 Kh1 79.Rg3 h2 80.Rg7 ½–½. Revidovich,Alexander (2030) – Fokin,Anatoly (1880), Autumn Petersburg Open, 2010.

6.b5 Bd6 7.Be2 Be6 8.Nf3 (8.Bh5 g6 9.Bf3 c6=) 8...Nd7 9.d4 Bc4 (9...ed4 10.Nd4 0–0–0 11.Ne6 Qe6 12.Qd5 Qd5 13.Nd5=) 10.0–0 0–0–0 (10...Ne7 11.Ne4=) 11.d5 (11.Ne4 Nb6+=) 11...Nb6 12.a4 (12.Ng5 Qd7 13.Ne6 Be2 14.Qe2 Re8+=) 12...Ne7 Increases the pressure on d5 (12...Be2 13.Qe2 Ne7 14.a5 Nbd5 15.Nd5 Nd5 16.a6+=) 13.a5 (13.Ne5 Be5 (worse is 13...fe5 14.Bc4 Nc4 15.Qg4 Qf5 16.Qc4+=) 14.Bc4 Nc4 (worse is 14...Nbd5 15.Nd5 Nd5 16.Be5 fe5 17.Qd3+=) 15.Qg4 Rd7 16.Qc4 Nd5 17.Nd5 Qd5 18.Qd5 Rd5=) 13...Be2+= 14.Qe2 Nbd5 15.Rfd1 (15.Nd5 Nd5 16.a6 b6+=) 15...Nc3 16.Bc3 Bc5 17.Rdb1 (17.Bd2 Kb8+=) 17...Nf5 (17...Qg6 18.Qc4 Bf2 19.Kf2 Qc2 20.Kg1+=) 18.Qe4 (better is 18.a6!?=) 18...Nd6–/+ 19.Qa4 Qc4 20.Bb4 Bb4 (20...Ne4!? 21.Bc5 Qa4 22.Ra4 Nc5–+) 21.Rb4+= Qe2?? (better is 21...Qc3+=) 22.c4?? (better is 22.Re1 Nb5 23.Re2+– (23.Rb5?! Rd1 24.Qg4 Kb8+–; 23.Qb5?! Qb5 24.Rb5 Rd6+/–)) 22...Ne4–+ 23.b6 Qf2 24.Kh1 cb6 25.ab6 a6 26.c5 Nc5 27.Rc4 Kb8 28.Qa3 Ne6 (28...Nd3 29.Qe7 Qb6 30.h4–+) 29.Qb4 (29.Qb3–+) 29...Nf4?? (better is 29...Rd3 30.h3 Rhd8–+) 30.Rf4= ef4 31.Qf4 Ka8 32.Ra6 ba6 33.Qe4 Kb8 ½–½. Jensen,Helmut (1795) – Rolf,Martin (1680), GER–chT Seniors, 2005.

6.b5 Bd6 7.Be2 f5 8.Nf3 (8.Bh5 g6 9.Be2 Nf6=) 8...Ne7 (8...Nf6 9.d4 Nbd7 10.de5 Ne5 11.0–0=) 9.d4 e4 10.Ng5 (10.Ne5 Be5 11.de5 Be6=) 10...Qf6 11.h4 (11.Nh3 0–0=) 11...h6–/+ 12.Nh3 Qh4 13.Qd2 Nd7 (13...Qf6 14.d5–/+) 14.0–0–0 (14.g3 Qf6+=) 14...Qf6–/+ 15.Bh5 (15.d5 Be5–/+) 15...g6 16.Be2 Nb6 (16...a6 17.Kb1–/+) 17.Kb1 Bd7 (17...a6 18.Ng1–/+) 18.d5 Qf8 (18...Be5 19.a4–/+) 19.Qd4+= 0–0–0 20.a4 (20.Na4 Rg8 (worse is 20...Nbd5 21.Qa7 Be6 22.c4+–) 21.Nb6 ab6–/+) 20...Kb8 21.a5 Na8 (21...Nbc8 22.Na4 Rg8 23.c4–/+) 22.Na4 Rg8 23.c4 (23.Nc5 Qe8–/+) 23...Bb4 (23...f4 24.c5 f3 25.gf3 ef3 26.Bf1+=) 24.Nf4 (24.Nc5–/+) 24...Nc8 (better is 24...g5!? 25.Nh5 Rg6–/+) 25.c5= Ba5 (better is 25...g5 26.Qb4 gf4=) 26.Rh3?? (better is 26.c6 g5 27.cd7 gf4 28.dc8N Rc8 29.Nc5+=) 26...g5–+ 27.Nh5 f4 28.Ra3 (better is 28.Rhh1–/+) 28...Rg6 (28...f3!? 29.gf3 ef3–/+) 29.Nf6 (29.c6 f3 30.gf3 ef3= (worse is 30...bc6 31.Nc5 cb5 32.Nd7 Rd7 33.Ra5+/–)) 29...Rf6 (better is 29...Bf5!? 30.Ne4 Qe7+=) 30.Qf6+= Bf5 31.Kc1 Qf6 32.Bf6 Re8 (32...Rg8 33.Rh1+=) 33.Bh5 (33.Rh1 g4+/–) 33...Rg8+= 34.Be5 White plans d6 34...Rd8 35.Rb3 Bh7 (35...b6 36.d6 cd6 37.cd6+/–) 36.Bf7 (36.d6!? Bf5 37.dc7 Bc7 38.Rd8 Be5 39.c6+–) 36...Ne7?? (better is 36...Bf5+/–) 37.d6+– (37.d6 cd6 38.Rd6+– (worse is 38.Bd6 Rd6 39.cd6 Ng6+–)) 1–0. Mueller,Klaus Detlef – Schudin,V, corr ICCF EU–ch M, 1986.

6.b5 Bd6 7.Ne4 Ne7 8.c4 (8.d4 Bf5 9.Bd3 Be4 10.Be4 Nd7=) 8...Nd7 =/+ 9.Nf3 Bc5 (9...0–0 10.Be2+=) 10.Nc5 (10.Qc2 b6=) 10...Nc5 = 11.d4 ed4 12.Qd4 (12.Bd4 Ne6=) 12...Ne6 (12...b6 13.Be2=) 13.Qe4 (13.Qd2 0–0=) 13...0–0 14.Be2 Re8 15.0–0 Nc5 (15...Ng6 16.Qc2+=) 16.Qd4 = 16...b6 17.Rfe1 Nf5 18.Qf4 (18.Qc3 a6=) 18...Re4 19.Qd2 Bb7 (19...Be6 20.Ba3+=) 20.Ba3 Ne6 (better is 20...Qg6!? 21.Bc5 bc5=) 21.Bd3 +/= 21...Re1 22.Re1 Nh6 23.Qe3 Re8 24.Nd4 (better is 24.c5 Bd5 25.h3+=) 24...Bc8 ? (better is 24...Ng4 25.Qh3 h5 26.Ne6 Re6+=) 25.c5 +– 25...Qh5 ? (better is 25...g6 26.cb6 cb6+–) 26.Ne6 Be6 (26...Ng4 27.Qh3 Qh3 28.gh3 Nh2 29.Kh2+–) 27.Bc4 Ng4 (27...Bc4 28.Qe8) 28.Be6 Kh8 29.Qg3 (better is 29.Bg4 Re3 30.Re3+– (30.Bh5?? Re1)) 29...Ne5 (29...Qf5 30.Qf3 (30.Bf5?? Re1) 30...Qf3 31.gf3+–) 30.f4 Re6 31.fe5+– 1–0. Buczinski,Henryk (2200) – Marek,E (2000), DMSl. Siemianowice Slaskie Poland, 1992.

6.b5 Bd6 7.g3 Ne7+= 8.Bg2 (8.Qf3 0–0+=) 8...Nd7 (8...a6 9.a4+=) 9.Nf3 (9.Ne4 0–0+=) 9...c5 (9...Nb6 10.0–0+=) 10.0–0= Nb6 (10...a6 11.Ne4 Bc7 12.a4=) 11.d3 (11.Ne4 Qe6+=) 11...Be6 (11...0–0 12.Ne4 Rd8 13.Ba3=) 12.a4 (12.Ne4 Nec8+=) 12...Rd8 (12...0–0 13.Ne4 Rfd8 14.a5+=) 13.Nd2 Nbd5 14.Nd5 (14.Nce4!? Nf5 15.g4=) 14...Nd5= 15.Nc4 Bb8 (15...Bc7 16.Ba3 b6 17.Re1=) 16.a5 (16.Ba3 Qe7=) 16...0–0 17.Ne3 (17.Qf3 Bc7=) 17...f5 (17...Qd7 18.Nd5 Bd5 19.Bd5 Qd5 20.Qg4=) 18.Qe1 (18.Qe2 Nb4 19.f4 ef4 20.gf4 Qe8=) 18...f4 19.Nd5 Bd5 20.Bd5 (20.Be4 a6=) 20...Rd5 (20...Qd5 21.Qc3=) 21.Qe4+= f3 (21...Qd7 22.Rfe1+=) 22.Ra4 (22.Rfe1 a6 23.b6 Kh8+=) 22...Qd7= 23.Qg4 Rf5 (23...Qg4 24.Rg4 Bd6 25.Re4=) 24.h4 (24.Re4 c4 25.dc4 h5+=) 24...h5 (24...Qb5 25.Qf5 Rd8 26.Rg4 Qb2 27.Rg7 Kg7 28.Qg5 Kf7 29.Qd8 Qc2 30.Qb8 Qd3 31.Qb7 Kf6 32.Qa7+–) 25.Qh3 g6 (25...c4 26.dc4 Rd2=) 26.Ra2 (26.g4 Rf6 27.Re4 Kh7=) 26...Qe8 (26...Qb5 27.a6–/+) 27.Rd1 (27.Ba1!?=) 27...Rd6 (27...Qb5 28.Re1–/+) 28.c4 (28.b6 ab6 29.Re1 Qe6+=) 28...e4 29.Qf1? (29.Bc3+=) 29...Qd7?? (better is 29...e3 30.Qe1 ef2 31.Qf2 Re6–+) 30.Ra3 g5 (30...a6 31.ba6 ba6=) 31.hg5+= Rg5 (31...e3!? 32.fe3 Rg5–/+) 32.Bc1= Rg4 33.Qh3? (better is 33.b6=) 33...h4–+ (33...ed3 34.Qh5 Qg7 35.Qe8 Kh7 36.Bf4 (36.Qb8 Rg3 37.Kh2 Rg2 38.Kh1 Rh2 39.Kh2 Qg2; 36.Rad3?? Rg3 37.fg3 Qg3 38.Kf1 Qg2 39.Ke1 Re6 40.Qe6 Bg3; 36.Rdd3 Rg3 37.fg3 Qg3 38.Kf1 Qg2 39.Ke1 f2 40.Kd2 f1Q 41.Qe2 Qge2 42.Kc3 Rd3) 36...Rf4 37.Qb8+=) 34.Be3?? (34.Qh1 hg3 35.Qh5–+) 34...Rg3!! (34...Rg3 35.Qg3 hg3 36.fg3 Qh3 37.Ra2 Rg6 38.Rdd2 Rg3 39.Rg2 Rg2 40.Kf1 Qh1 41.Bg1 Qg1) 0–1. Brzoza,Miroslaw – Babiychuk,VM, corr, 1981.

6.b5 Nd7 7.Nf3 b6 (7...Nc5 8.d4 ed4 9.Nd4=) 8.d4+= Bb7 9.Qe2 (9.de5 Ne5 10.Ne5 fe5=) 9...0–0–0= 10.0–0–0 Ne7 (10...e4 11.Nd2 f5 12.f3 ef3 13.Nf3=) 11.de5+= Nd5?? (better is 11...fe5 12.Ng5 Qg6=) 12.e6+– Qe8 (12...Nc3 13.Bc3 (13.ef7?! Ne2 14.Be2 Bc5+–; 13.ed7 Qd7 14.Rd7 Ne2 15.Be2 Kd7–/+) 13...Ba3 14.Kb1+–) 13.ed7 (13.Rd5 Bd5 14.Nd5 Nc5 15.Nf6 gf6 16.Bf6 Rd6 17.Bh8 Bh6 18.Kb1 Qh8+/–) 13...Qd7 14.Nd5 Bd5 15.c4 Bf3 16.Rd7 (16.gf3?! Bd6+–) 16...Be2 17.Rd8 Kd8 18.Be2 h6 (18...Bd6 19.Bf3+–) 19.Rd1 (19.Rd1 Bd6 20.Bf3+–) 1–0. marekt – aliwood, internet, 2005.

6.Nf3 Be6 7.a3 c5 8.bc5 Bc5 9.d4 ed4 10.Nd4 Bd4 11.Qd4 Nc6 12.Bb5 Nge7 13.0–0 0–0 14.Qe3 a6 15.Bd3 Rfe8 16.Ne4 Ng6? (better is 16...Rad8=) 17.Nd6+– Qc7 18.Ne8 Re8 19.Qc5 Nge5 20.Be5 fe5 21.Bc4 Bc4 22.Qc4 Kh8 23.Rab1 h6 24.Rfd1 Qe7 25.c3 Rf8 26.a4 Qf6 27.Qc5 Rf7 28.f3 Qf4 29.Qd5 Re7 30.a5 (30.Qe4 Qe4 31.fe4 Na5+–) 30...Qf6? (30...Qe3 31.Kh1+/–) 31.Rb6 (31.Qe4 Rf7 32.Rd5 Kg8+–) 31...Qf7 (31...e4!? 32.fe4 Qc3+–) 32.Qf7+– Rf7 33.Rdb1 Na5+= 34.Re6 Nc6 35.Kf2 Rd7 36.Ke3 Kg8 37.g4 Kf7= 38.Rc6 bc6 39.Rb6 Rd6 40.Ra6+= Ke6 41.Ra5 g6 42.Ke4 Attacks the isolani on e5 42...Kf6 43.Re5+/– Rd1 44.Rc5 Rh1 45.Rc6+– Kg5? 46.Rc5 Kh4 47.Rc6 Kg5 48.Rc5 Kf6?? 49.Rc6?? Kf7?? 50.Rc7 Ke8 51.Rc6 Rh2 (51...Rh2 52.Rg6 Kf7+–). ferminkatcho (1735) – pompkafr (1945), internet, 2012.

6.f4 Bb4 7.fe5 fe5 8.Nf3 Bc5 9.Ne4 Qd5 (9...Bd6!?=) 10.Nc5+= (10.Ne5? Qe4 11.Qe2 A) 11...Qc2 12.Rc1 Qa4 13.Ng6 Ne7 14.Nh8 Qa2 15.Bg7+/– (worse is 15.Rc5 Qb2 16.Qc4 Qa1 17.Qc1 Qc1 18.Rc1 Nbc6–/+); B) 11...Nf6–+) 10...Qc5 11.Ne5 White gets kings attack. 11...Nf6 12.Bc4 Rf8 (12...Nbd7!? 13.Qe2 Ne5 14.Qe5 Qe5 15.Be5 Kd7+/–) 13.Qe2+/– Threatening mate... how? 13...Kd8 (13...Qe7!?+/–) 14.Nf7+– Rf7 15.Bf7 The mate threat is Bxf6 15...Qe7 16.Qe7 Ke7 17.Bb3 a5 (17...Be6 18.Rb1 b6 19.Bf6 gf6 20.Kf2+–) 18.a4 (18.0–0 Nbd7+–) 18...Be6 19.Be6 Ke6 20.0–0 Nbd7 21.Rae1 Kf7 22.g4 h6 23.h4 Re8 24.Re8 Ke8 25.Kg2 Ke7 26.g5 hg5 27.hg5 Nh5 28.Rf5 b6 ½–½. Brzoza,Miroslaw – Lychmus, corr Poland, 1979.

6.f4 Bb4 7.fe5 fe5 8.Nf3 Bd6 9.Bb5 Kd8 10.d4 ed4 11.Qd4=+.

6.f4 Bb4 7.fe5 fe5 8.Nf3 Bg4 9.Be2 Nc6 10.0–0 Nf6–/+ 11.Ng5 Be2 12.Qe2 Qe7 13.Rf6? gf6 14.Nd5?? Qc5–+ 15.Ne3 0–0–0 16.Nf7? Bd2 17.Nd8 Be3 18.Kh1 Rd8 19.Qg4 Kb8 20.h3 Qc2 21.Ba3 a6 22.Re1 f5 23.Qh4 Bf2 24.Qa4 Qa4 (24...Qa4 25.Bb2 Rd1 26.Ba1 Re1 27.Kh2 Qf4 28.g3 Qg3) 0–1. orangutanb4 (1880) – wolnogra (1860), internet, 2011.

6.a3 Bd6

7.Bb5 Bd7 8.Bd7 Nd7 9.Nge2 Ne7 10.0–0 0–0 11.d4 c6 (11...Nb6 12.Rb1+=) 12.Ne4 (12.de5!? Ne5 13.Qd6=) 12...Bc7= 13.c4 (better is 13.Re1!?=) 13...Qc4–/+ 14.Rc1 Qf7 15.Qc2 a6 16.N2g3 h6 17.de5 Ne5 (worse is 17...Be5 18.Be5 fe5 19.Nd6+=) 18.Rcd1 Nd5 19.Nf5 Rad8 20.Nc5 Bb8 21.Rfe1 Rfe8 22.Nd4 Qh5 23.h3 Qg5?? (23...Qf7 24.Nf5+=) 24.Qf5 (better is 24.Nce6 Qh5 25.Nd8 Rd8 26.Nf5+/–) 24...Qf5+= 25.Nf5 Kf7 26.Nb7+/– Rd7 27.Nc5 Rc7?? 28.Na6 Ra7 29.Nb8 Rb8 30.Nd4 Nf4?? 31.Re5! fe5 32.Nc6 Ne2 33.Kf1 Nc3 34.Bc3 (34.Bc3 Ra3 35.Rd7 Ke6 36.Nb8 Rc3 37.Rg7+–; 34.Na7?! Nd1 35.Be5 Rb7+–; 34.Nb8?! Nd1 35.Nc6 Ra8 36.Be5 Ra3+/–; worse is 34.Ne5 Kg8 35.Bc3 Ra3+–) 1–0. ejdrzej (1785) – pantamed (1690), internet, 2011.

7.Nf3 Nc6 8.Ne4=.

7.Nf3 Be6 8.Be2 Ne7 9.d3 0–0 10.0–0 Nd7 11.Ne4 Rac8 12.c4 b6 13.Rc1 c5?? (better is 13...Ng6=) 14.Nd6+– Qg6 15.Nc8 Rc8 16.b5 f5 17.Ne5 Ne5 18.Be5 f4 19.Bf4 Rf8 20.Bd6 Bh3 21.Bf3 Rf3 22.Qf3 Bg4 23.Qa8 Kf7 24.Be7 Bf3 25.Qf8 Ke6 26.Rfe1 (26.Rfe1 Be4 27.Bg5 Qg5 28.Re4 Qe5 29.Rce1 Qe4 30.Re4 Kd7 31.Re7 Kd6 32.Qd8) 1–0. ejdrzej (1675) – nutu0422 (1610), internet, 2013.

7.Nf3 Ne7 8.d4=.

7.Nf3 Bg4 8.Be2 (8.Ne5 Be5 9.Qg4 Qd7 10.Qd7 Nd7+/–) 8...Ne7 (8...Qe7 9.Ne4+=) 9.0–0 (9.Ne5 Be5 10.Bg4 Nbc6+/–) 9...Nd7 10.d3 (10.Ne5!? Ne5 11.Bg4+/–) 10...h5 11.Ne4 0–0–0 12.c4 Ng6 13.h3 Bf5 14.Nfd2 (better is 14.Nd6!? cd6 15.Bc1+=) 14...Nf4+= 15.Nd6 cd6 Attacks the backward pawn on d3 16.Ne4 Be4 (worse is 16...Ne2 17.Qe2 Nb6 18.f4+=) 17.de4 Nb8?? (better is 17...Qg6 18.Bf3 Nh3 19.Kh2 Ng5–/+) 18.Bc1+/– g5 19.Be3 a6 20.Bf3 Qg6 21.Rc1 g4 22.Bf4?? ef4?? 23.hg4+/– hg4 24.Bg4 Kc7 25.Qf3 Rdg8 26.Bh3 Nd7 27.c5 dc5? 28.Qf4+– Ne5 29.Rc5 Kb8 30.Re5 Rh3?? 31.Rg5 Ka8 32.Rg6 Rg6 33.g3 Rh8 34.Kg2 Rgh6 35.b5! Rh2 36.Kf3 ab5 37.a4 R2h4 38.Qd6 R4h6 (38...R4h6 39.ab5 Rh1 40.Rh1 Rh1+–). bratek55 (1715) – drkohl, internet, 2012.

6.a3 Be6

7.Bb5 c6 8.Be2 Nd7 9.d3 Ne7 10.Nf3 Ng6 11.0–0 Be7 12.Ne4 0–0 13.c4 (13.Bc1 Rfd8=) 13...Rfd8 14.Qc2 Nf4 15.Rfe1 Nf8 (15...a5 16.c5+=) 16.Bf1 Rd7 (16...Bg4 17.Re3 N8e6 18.g3+=) 17.Rad1 (17.d4 Bg4 18.Ned2 ed4 19.Bd4 N8e6=) 17...Rad8 (17...Bg4 18.Re3+=) 18.g3 (18.Be5 fe5 19.Ne5 Qh5=) 18...N4g6 (18...Bg4 19.Re3–/+) 19.d4 (19.Bg2!?=) 19...Bg4+= 20.Be2 Bf3 21.Bf3 ed4 22.c5 Ne5 23.Bg2 Nfg6 24.f4 Ng4 (24...Nc4 25.Rd3–/+) 25.Qd3 (25.Bh3!? f5 26.Bg4 fg4 27.Nf2=) 25...Ne3–/+ 26.Rd2 Ng2 27.Kg2 f5 28.Ng5 Bg5 29.fg5 f4 30.Rf2 (30.Qf3!?–/+) 30...Qd5–+ 31.Kg1 fg3 (31...Ne5 32.Qd1 fg3 33.hg3–+) 32.hg3 (32.Qg3 b6–+) 32...Ne5–+ (32...Qg5?! 33.Bd4 h5 34.Re4–/+) 33.Qf5 Nc4 34.Qd5 Rd5 (34...cd5?! 35.g6–/+) 35.Bc1 d3 36.Bd2 Nd2 (36...Na3 37.g6 hg6 38.Re7–+) 37.Rd2 Rg5 38.Kg2 Rgd5 39.Re7 R8d7 40.Rd7 Rd7 41.Kf3 g5 42.Ke3 h5 43.Rf2 Kg7 44.Kd2 Kg6 45.Rf8 h4 46.gh4 gh4 47.Rg8 Kh5 48.Rh8 Kg4 49.Rg8 Kh3 50.Rg6 Kh2 51.Rg5 h3 52.Rg6 Kh1 53.Rg5 h2 54.Rg6 Rd4 55.Rg5 Rf4 56.Kd3 Rf2 57.Rg6 Rg2 58.Rh6 Kg1 59.Kc4 h1Q 60.Rh1 Kh1 61.a4 Ra2 62.a5 a6 63.Kb3 Ra1 64.Kb2 Rd1 65.Kc3 Rd5 66.Kc4 Kg2 67.Kc3 Kf3 68.Kc4 1–0. ejdrzej (1620) – kadz55 (1650), internet, 2013.

7.d4 Nc6=.

7.Be2 Nc6 8.Bf3 a6 (8...Nge7 9.b5 Na5 10.Qe2+=) 9.b5 (9.Bc6!? bc6 10.Rb1=) 9...ab5+= 10.Nb5 Bc5 (10...Qd7 11.d4 Nb8 12.Bb7+=) 11.Ne2 Qd7 (11...Na5 12.d4 Bb6 13.de5=) 12.0–0 (12.d4 Ra5 13.Nc7 Qc7 14.dc5 Rc5=) 12...Nd8 (12...Na5 13.Nbc3+=) 13.Nbc3 (13.a4 c6 14.Nbc3 Ne7=) 13...f5 14.Ng3 (14.Nb1 Nf7=) 14...Nf6 15.Qe1 (15.Re1 Bd6=) 15...e4+= Black launches an attack 16.Nce4? (better is 16.Be2!?+=) 16...fe4–+ 17.Bh5 (17.Ne4 Ne4 18.Be4 0–0–+) 17...Nh5 18.Nh5 Bd4 19.c3 (19.Bd4 Qd4 20.Ng3 Ra4–+) 19...Ra5 20.cd4 (20.Nf4 Rb5–+) 20...Rh5 21.Qe4 0–0 (21...Qd6 22.h3–+) 22.Rae1 Bd5 23.Qe7 Qg4 Threatening mate: Qxg2 24.f3 Qf4 25.g3 Qd2 Threatening mate... how? 26.Rf2 Qd3 (26...Qa5!? 27.Qb4 Qa6 28.Qe7–+) 27.Re3 (27.Qc7 Ne6 (27...Bf3?! 28.Qc3 Qc3 29.Bc3–+) 28.Qd7 Qb3–+) 27...Qb5 (27...Qg6 28.Qc7 Rhf5 29.f4–+) 28.a4?! (28.Qc7 Ne6 29.Qc2–+) 28...Qa4 29.Ba3 The mate threat is Qxf8 29...Ne6?? (better is 29...Rhf5 30.Qb4 Qd1 31.Re1 Qd3–+) 30.Re6+= Rhf5 31.Re5 (31.Re3 b6–/+ (31...Qd4?? 32.Bb2 Qd1 33.Re1 Qe1 34.Qe1+–)) 31...Qd1+= 32.Re1 Qd3 (32...Qd4? 33.Bb2 Qf2 34.Kf2 Rf3 35.Kg1+–) 33.Re3 Qb1 (33...Qd4? 34.Bb2 Qd1 35.Re1 Qe1 36.Qe1+–) 34.Re1 Qb6 (34...Qb3 35.Bc5 b6 36.Re3 Qd1 37.Rf1–/+) 35.g4 (35.Qd7 Qa5 36.Re7 Kh8+=) 35...Qg6 (35...R5f6 36.Qe5 Rd8 37.Be7=) 36.Qd7 (better is 36.Qc7 Ra8 37.Qd7+/–) 36...Bf3–/+ Threatening mate... how?. 37.Qe6 (37.Qc7 Rf4 38.Rf3 Rf3 39.Bf8 Qg4 (worse is 39...Rf8 40.Qc4 Kh8 41.Qe6=) 40.Kh1 Rf8 (40...Kf8?? 41.Qd6 Kf7 42.Re7 Kg8 43.Re8 Rf8 44.Rf8) 41.Qb7 Qd4 42.Qb3 Kh8–/+) 37...Qe6 38.Re6 Bg4 39.Rf5 Bf5 40.Re5 Ra8 41.Bb4 Bg6 42.Rb5 (42.d5 Ra4 43.Bc3 Rc4–+) 42...b6 43.Rd5 (43.Re5 Ra4 44.Bc3 Rc4–+) 43...Ra4 44.Bd2 (44.Bc3 Rc4 45.Bd2 c6 46.Rd8 Kf7–+) 44...c6 45.Rd6 (45.Rd8 Kf7–+) 45...Be4 46.Be3 (46.Bf4 Kf7–+) 46...b5 (46...Ra2 47.Bf4–+) 47.Bf4 (47.Rd7 Ra2 48.Bf4 g5–+) 47...Ra1 (47...Kf7 48.Rd8–+) 48.Kf2 Bd5 (48...Ra7 49.Rd8 Kf7 50.Rc8–+) 49.Be5 (49.Rd8 Kf7–+) 49...Ra2 (49...Ra7 50.Rd8 Kf7 51.Rb8–+) 50.Ke3 Rh2?? (better is 50...Ra3 51.Kf4 Ra7–+) 51.Rd8 (better is 51.Bh2!? g5 52.Be5+–) 51...Kf7+/– 52.Rb8?? (52.Bh2 g5 53.Be5 h5+–) 52...g5 (better is 52...Rh3 53.Kf4 g6–+) 53.Rh8?? (better is 53.Bh2 h5 54.Bd6+=) 53...Kg6 (53...Kg6 54.Bh2 b4+=; better is 53...Rh3 54.Kf2 h5–+) 0–1. Nemeth,Laszlo – Gorda,Ferenc, Matra Cup Gyongyos, 2002.

7.Nf3 c5 8.bc5 Bc5 9.d4 ed4 10.Nd4 Bd4 11.Qd4 Nc6 12.Bb5 Nge7 13.0–0 0–0 14.Qh4 Ne5 15.Ne4 a6 16.Nd6 Qg6 17.Be5 (17.Nb7?? Nf3 18.Kh1 Nh4–+) 17...ab5 18.Bd4 (18.Nb5? Nf5 (18...Qc2?! 19.Rfc1 Qf5 20.Bd6 Qb5 21.Be7=) 19.Qe4 fe5 20.Qe5 Bc4–+; worse is 18.Nb7 fe5 19.Qg3 Qg3 20.hg3 Nf5–+) 18...Rad8 (18...Rfd8 19.Bc5 Ra4–/+ (19...Qc2?! 20.Nb7 Rd7 21.Rfc1=)) 19.Nb5 (better is 19.Bc5 Bd5 20.Qh3+=) 19...Nf5–+ (19...Qc2?! 20.Bb6 Nf5 21.Qb4=) 20.Qf4 Bc4 (20...Nd4?! 21.Nd4 Bh3 22.Qg3 Qg3 23.hg3 Bg2 24.Kg2 Rd4 25.Rfd1 Rd1 26.Rd1=) 21.Rfb1 (21.Bb6 Bb5 22.Bd8 Bf1 (22...Rd8?! 23.Rfd1 Rd1 24.Rd1=) 23.Rf1 Rd8–+) 21...Bb5 22.Rb5?? (22.Bb6 Bc6 23.f3–+) 22...Nd4 23.Rb7 Ne2 (23...Ne2 24.Kf1 Nf4 25.g3 Qe4 26.Rg7 Kg7 27.f3 Qf3 28.Ke1 Rfe8) 0–1. ferminkatcho (1755) – pompkafr (1930), internet, 2012.

7.Nf3 Nc6 8.Be2 0–0–0 9.0–0+=.

7.Nf3 Nc6 8.Be2 Rd8 9.d3 Nge7 10.0–0 Nf5 11.Ne4 Be7 12.Qc1 0–0 13.c4 (13.c3 Qg6=) 13...Nfd4 (13...Qg6 14.Re1+=) 14.Nd4 Nd4 15.Bd4 Rd4 16.Qe3 b6 (16...Qg6 17.f4+=) 17.Rfd1 (17.f4!? Qg6 18.Nc3=) 17...Rfd8+= 18.h3 h6 19.Rac1 f5 (better is 19...Qg6–/+) 20.Ng3?? (20.Nd2 Bf6+=) 20...Bf6?? (20...f4 21.Qe5 Bf6 22.Qb5 fg3 23.fg3–+) 21.c5?? (better is 21.Qf3–/+) 21...f4–+ 22.Qf3 fg3 23.Qg3 Bf5 24.cb6 ab6 25.b5 R8d7 26.Rc6 e4 27.Bg4 Rd3 28.Rd3 Rd3 29.f3 Bg4 30.hg4 ef3 31.gf3 Rd1 32.Kg2 Qa2 33.Kh3 Rh1 34.Qh2 Qh2 0–1. ejdrzej (1620) – kadz55 (1680), internet, 2013.

7.Nf3 Nc6 8.Be2 Rd8 9.d3 Nge7 10.0–0 Ng6 11.Ne4 Be7 12.c4? (12.b5 Nd4 13.Nd4 ed4=) 12...0–0 (better is 12...Bc4!? 13.Bc1 0–0–/+) 13.Qc2 Nf4 14.Rac1 (14.Rfe1 Qg6 15.Nh4 Qe8+=) 14...Kh8 (14...Bb4!? 15.ab4 Nb4–/+) 15.Rfd1 Bg4 16.h3 Bh5 17.Ng3 Bg6 The pressure on the backward pawn d3 grows 18.Ne4 (18.Rb1 Ne6+=) 18...b6 (18...Bb4 19.Rb1 Be7 20.Bc1 Ne2 21.Qe2–+) 19.Nh4 (19.b5!? Na5 20.Bf1+=) 19...f5 20.Ng6 Qg6 (20...Ng6?! 21.Nd2=) 21.Ng3 Nh3 (21...Nd4!? 22.Bd4 Rd4–/+) 22.gh3+= f4 23.Kg2 (better is 23.d4 Qc2 24.Rc2 fg3 25.de5 gf2 26.Kf1=) 23...fg3–+ 24.fg3 Bh4 (24...Bg5 25.Rb1 Nb4 26.ab4 Qc6 27.Bf3 Rf3 28.b5–+) 25.Bg4–/+ h5 26.gh4 hg4 27.d4 gh3 28.Kh2 Qc2 29.Rc2 Nd4 30.Bd4 ed4 31.Rcd2 c5–+ 32.bc5 bc5 33.Kh3 Rf3 34.Kh2 Ra3 35.Rf1 Rc3 36.Rf7 a5 37.Ra7 Rc4 38.Ra5 Rf8 39.Kg2 Rc3 40.Ra7 c4 41.Rd4–/+ Rc2 42.Kg3 c3 43.Rc7 Rc1 44.Rdc4= c2 45.Rc2 Rc2 46.Rc2 Rf6 47.Rc8 Kh7 48.Rc7 Rg6 49.Kh3 Rf6 50.Kg4 Rg6 51.Kh3 Rf6 52.h5 Rf5 53.Kg4 Rf6 54.Kg5 Re6 55.Ra7 Rd6 56.Ra5 Re6 57.Rf5 Rd6 58.Kg4 Re6 59.Rd5 Rf6 60.Rf5 Re6 61.Kg5 Rd6 62.Re5 Rf6 63.Rd5 Re6 64.Rf5 ½–½. ejdrzej – kadz55 (1715), internet, 2013.

7.Nf3 Bd6 8.d3 c6 9.Be2 Ne7 10.Ne4 Bc7 11.c4 0–0 12.0–0 Nd7 13.Qc2 Nf5 14.Rac1 Rad8 15.Rfd1 h6 16.a4 a5 17.b5 Bb6 18.Ng3 (better is 18.d4!? ed4 19.Nd4 Bd4 20.Bd4 cb5 21.ab5+=) 18...Ng3–/+ 19.hg3 Nc5 20.d4 ed4 21.Nd4 Bd7 22.Bf3 Rc8 23.bc6 bc6 24.Nf5 Bc7?? (24...Rb8 25.Rb1=) 25.Nd6?? (better is 25.Ba3 Bb6 26.Nd6+–) 25...Bd6+= 26.Rd6 Attacking the isolated pawn on c6 26...Rfe8 27.Rcd1 Re6 28.Re6 Be6 29.Rd6 Bc4 30.Bc6 Nd3?? 31.Ba3 Nb4?? 32.Bb4+– ab4 33.a5 Kh8 34.Qd2 b3 35.Rd8 Rd8 36.Qd8 Kh7 37.Be4 f5 38.Bb1 b2 39.Qb6 Qf6 40.Qb4 Ba6 41.f4 Kg6 42.Kh2 h5 43.Qd2 Kh6 0–1. ejdrzej (1705) – pompkafr (1985), internet, 2012.

7.Nf3 Nd7 8.Be2 Ne7 9.0–0 Nf5 10.Ne4 Be7 11.d4 ed4 12.Nd4 Nd4 13.Qd4 0–0 14.Qe3 Ne5 15.Rad1 a6 16.f4 Nc4 17.Bc4 Bc4 18.Rfe1 Rfe8 19.Qf3 c6 20.Kh1 Bd5 21.c4 Bc4 22.Rd7 (22.f5 Rad8–/+) 22...Bd5 (better is 22...f5 23.Ng3 Bf6 24.Re8 Qe8 25.Bf6 Qd7–+) 23.Rb7?? (better is 23.Qg3 Be4 24.Re4–/+) 23...f5–+ 24.Qg3 Be4 25.Be5 Qg6 26.Qg6 hg6 27.Kg1 Bf6 28.Bd6 Rad8 29.Bc5 Bd4 30.Kh1 Bc5 31.bc5 Rd2 32.Rg1 Bd5 33.h4 Ree2 34.Kh2 Rg2 35.Rg2 Rg2 36.Kh3 Ra2 37.h5 gh5 38.Kh4 Ra3 39.Kh5 Rg3 40.Ra7 Bf3 41.Kh4 Rg4 42.Kh3 Rf4 43.Ra6 Bd5 44.Kg3 Rc4 45.Ra5 g5 46.Kh3 Kf7 47.Kg3 Kg6 48.Kh3 f4 49.Ra8 Rc3 50.Kh2 g4 51.Rf8–+ g3 52.Kg1 Rc2 (52...Rc2 53.Rf4 Kg5–+; 52...Rc1) 0–1. annamar (1840) – daniela60 (1630), internet, 2012.

7.Nf3 Nd7 8.Be2 Ne7 9.0–0 Ng6 10.d3 Be7 11.Ne4 0–0 12.c4 (12.Bc1 c5=) 12...Rad8 13.Qc2 Nf4 14.h3 (14.Bc1 Ne2 15.Qe2 Qg6+=) 14...Ne2 (14...Qg6!? 15.Ng3 Nb6–/+) 15.Qe2+= c5 16.b5 Nb6 17.a4 Nc8 18.a5 b6 19.ab6 ab6 20.Ra6 h6 21.Rfa1 f5? (better is 21...Qg6 22.Qe3 Rfe8+=) 22.Ne5+– Qe8 23.Ng3 Bf6 24.Nc6 Bb2 (24...Bc4 25.Bf6 Qe2 26.Ne2 Rd3 27.Ne7 Ne7 28.Be7 Re8+/–) 25.Qb2?? (25.Nd8 Ba1 26.Ne6+– (26.Ra1?! Bc4 27.Qe8 Re8 28.dc4 f4+/–; 26.Qe6?! Kh7+–)) 25...Rd3+= 26.Ra8 Bc4?? (better is 26...f4 27.Qc2 fg3 28.Qd3 gf2 29.Kf1 Qg6=) 27.R1a7 Rd7 28.Rd7 Qd7 29.Ne5 Qb5 30.Nc4 Qc4 31.Rc8? Rc8–+ 32.Nf5 Rc7 33.Qb6 Qc1 34.Kh2 Qf4 35.Kg1 Rf7 36.Qd8 Kh7 37.Ng3 Qf2 38.Kh2 Qd4 39.Qe8 Qf4 40.Qd8 c4 41.Qd5 Re7 42.Qf5 Qf5 43.Nf5 Rc7 44.Nd4 c3 45.Nc2 Rd7 46.Kg3 Rd2 47.Nb4 c2 48.Nc2 Rc2 49.Kg4 Kg6 50.g3 Rc4 51.Kf3 h5 52.h4 Rg4 0–1. ejdrzej (1755) – xooox (1710), internet, 2013.

7.Nf3 Be7 8.Be2 Nh6 9.0–0 c6 10.d3 0–0 11.Ne4 Nd7 12.c4 Nf5 13.Qc2 g5 14.d4 g4 15.Nfd2 Nd4 16.Bd4 ed4 17.c5 f5 18.Nd6 Bd6 19.cd6 Nb6 20.Rac1 Rad8 21.Qd3 Rd6 22.g3 Rfd8 23.Rfe1 Qg7 24.Nb3 Bb3 25.Qb3 Qf7 26.Qd3 Qf6 27.Bd1 Nd5 28.Bb3 Kg7 29.Bd5 Rd5 (29...cd5?! 30.f4+=) 30.a4 f4 31.Re4 Rf5 32.Rce1 Rd7 33.Re6 Qf7 34.b5 (34.R6e4!?–/+) 34...fg3 35.fg3 Rf3 36.Qe4 h5 37.bc6 bc6 38.Qe5 Kh7 39.Qe4 Qf5 40.Re7 Re7 41.Qe7 Qf7 42.Qe4 Kh6 43.Qd4 Qd5 44.Qd5 cd5 45.Rd1 Rf5 46.Rd4 Kg5 47.a5 a6 48.Kg2 Kf6 49.h3 Ke5 50.hg4? (50.Rb4 d4 51.hg4 hg4 52.Rb8–+) 50...hg4 (50...Kd4 51.gf5 Ke5–+) 51.Rg4–/+ d4 52.Rg6 (52.Rg6 d3 53.Rg7–+). ejdrzej (1655) – otrebusy (1890), internet, 2012.

7.Nf3 Ne7 8.d4+= ed4 9.Nd4 Bc4 (9...Nbc6 10.Ne6 Qe6 11.Qe2 Qe2 12.Be2+=) 10.Bd3 (10.Bc4 Qc4 11.Qh5 Ng6+/–) 10...Bd3 11.Qd3 Nd7 (11...Nbc6 12.Ncb5 0–0–0 13.Qg3+/–) 12.0–0 (12.Ncb5 0–0–0 13.Nc7+/–) 12...Ne5? (12...0–0–0 13.Qh3+=) 13.Qh3 (13.Qb5 c6 14.Qb7 Rd8+–) 13...N7g6 (13...a5 14.Ne6 N7c6 15.f4+– (15.Nf8?! Kf8 16.Ne4 Nc4+=)) 14.Qe6 (better is 14.f4!? Qd7 15.Ne6+–) 14...Qe6+= 15.Ne6 c6? (better is 15...Kf7 16.Nc7 Rc8+=) 16.Nc7+– (16.Nc7 Kf7 17.Na8+–) 1–0. GuestYKRF – GuestDFDR, freechess.org, 2018.

7.f4 Nd7 8.Nf3 (8.Qf3 c6=) 8...Bd6 (8...ef4!? 9.Nb5 Kd8+=) 9.fe5= Ne5 10.Be2 0–0–0 11.0–0 Nh6 12.Nb5 a6 (12...Nf3!? 13.Bf3 a6 14.Nd6 Rd6=) 13.Nd6 Rd6?? (13...cd6 14.b5 Nf3 15.Rf3 Bd5+/–) 14.d3 (better is 14.Ne5 Qe7 15.Nd3+–) 14...Nf5? (better is 14...Nf3!? 15.Bf3 Nf5+=) 15.Ne5+/– (15.Be5?! fe5 16.Ne5 Qf6+=) 15...fe5 16.Be5 Rd5 17.Bf4 (17.d4 Rhd8 18.Bd3 Qd7 19.Bf5 Bf5+–) 17...Qd7 (17...Nd4!?+/–) 18.Bf3+– Rd4 19.Qd2 h6 (better is 19...Nd6+–) 20.Be5 Re8 (20...Nh4 21.Bd4 Nf3 22.gf3 Qd4 23.Qf2+–) 21.Bd4 (21.Qf2 Bf7 22.Bd4 Nd4 23.Bb7 Kb7 24.Qf7 Re7+–) 21...Qd4 22.Qf2 Qc3 (22...Ne3 23.Kh1+–) 23.Bg4 (23.Rae1 Qd4+–) 23...Kb8 (23...g6+–) 24.Bf5 (24.Bf5 Rf8 25.g4+– (25.Be6?! Rf2 26.Kf2 Qf6 27.Kg1 Qe6+/–)) 1–0. orangutanb4 (2005) – kramnikgari (1740), internet, 2011.

7.g3 c6 8.Bg2 Nh6 9.Nge2 Bd6 10.0–0 Nd7 11.d4 0–0 12.Ne4 Bc7 13.de5 Be5 14.Be5 Ne5 (worse is 14...fe5 15.Nd6 Qg6 16.Nb7+/–) 15.Nf4 Bg4 16.f3 Bf5 17.Nd6 Qe7 18.Nf5 Nf5 19.Re1 Rad8 20.Qc1 c5 21.c3 g5 22.Qc2 Ng7 (22...Nh4 23.gh4 gf4 24.Qe4=) 23.Nh3 Qf7 (23...Qd6 24.Rad1 Qb6 25.Kh1+=) 24.Rad1 (24.Ng5 Qg6 25.Qa2 Kh8+/–) 24...c4 (better is 24...Nc4+=) 25.Re5 (better is 25.Ng5 Qg6 26.Ne4+/–) 25...fe5+= 26.Ng5 Qf5 27.Qf5?? (better is 27.Ne4+=) 27...Rd1–+ (27...Rf5?? 28.Rd8 Rf8 29.Rd5+–; 27...Nf5?! 28.Re1 Rd3 29.Ne6–/+) 28.Kf2 Rf5 29.Ne4 b6 30.Bh3 Rf8 31.a4 Ra1 32.a5 ba5 33.ba5 Ra5 34.Ke3 Rd8 35.Bf1 Ra4 36.h4 Nf5 37.Kf2 Ra2 38.Kg1 Rd1 39.g4 Ne3 40.Ng3 Nf1 41.Nf1–+ Raa1 42.Kf2 Rf1 43.Ke2 Rad1 (43...Rad1 44.Ke3 Rde1 45.Kd2 e4 46.fe4 Re4 47.g5 Rfe1 48.g6 R4e2; 43...Rae1 44.Kd2 e4 45.fe4 Re4 46.g5 Rfe1 47.g6 R4e2) 0–1. ejdrzej (1620) – slimeononut (1830), internet, 2011.

7.Nf3 c6

8.Be2 Bd6 9.0–0 Nd7 10.d4 0–0–0 11.de5 Ne5 12.Qe1 Bc7 13.Na4 Ne7 14.Nc5 Nf3 15.Bf3 Bc4 16.Be2 Be2 17.Qe2 Nd5 18.Qg4 Kb8 19.c4 h5 20.Qf3?? Nf4 21.Rac1 g5 22.Rc2 g4 23.Qe4 Rhe8 24.Qf5 Ne2 25.Kh1 Nd4 26.Bd4 Rd4 27.h3?? Rf4 28.Qd7=+ Qg6 29.Ne6= Re6 30.Qe6+= gh3 31.Qh3?? Qc2–+ 32.Re1 a6 33.Qe3 Rh4 34.Kg1 Bh2 35.Kf1 Qc4 36.Qe2 Qe2 37.Re2 Be5 38.g3 (38.g3 Rh1 39.Kg2–+) 0–1. orangutanb4 (1955) – holpak (1660), internet, 2011.

8.Be2 Bd6 9.0–0 Ne7 10.d3 0–0 11.Ne4 Bc7 12.c4 Nd7 13.Qc2 Rad8 14.Rad1 Nf5 15.d4 ed4 16.Nd4 Nd4 17.Bd4 Ne5 18.Nc5 (18.Ba7?! Bc4 19.Rd8 A) worse is 19...Bd8 20.Nd6 Bb3 21.Qc3+– (21.Nf7?! Bc2 22.Ne5 fe5+=); B) 19...Rd8+=) 18...Bc4 19.Bc4 (19.Nb7!? Be2 20.Qe2+=) 19...Nc4= 20.Bb2? (20.Nb7 Rb8 21.Bc5 Rfe8=) 20...Qh5?? (better is 20...Rd1 21.Rd1 Nb2 22.Qb2 Bh2 23.Kf1 b6–+) 21.Qc4= Kh8 22.Rd6?? Bd6–+ 23.g3 Rfe8 24.Nb7–/+ Rd7 25.Qc6 Rb7?? 26.Qb7+/– a5 27.b5 Qf5 28.Qc6+– Qe6 29.a4 h5 30.h4 Rc8 31.Qf3 Qf7 32.Rd1 Bc5 33.Qf5 Qb3 34.Qc8 Kh7 35.Qf5 g6 36.Rd7 Kh6 37.Bc1 g5 38.Qh7 (38.Qf6) 1–0. ejdrzej (1665) – stoklosy (1750), internet, 2011.

8.Be2 Bd6 9.0–0 Ne7 10.d4 Nd7 11.de5 Be5 12.Ne5 Ne5 13.Ne4 0–0 14.Nc5 (better is 14.Nd6 Qg6 15.Bh5+–) 14...b6 15.Ne6 Qe6 16.Qc1 Kh8 17.Re1 Qf5 18.c4 Rad8 19.c5 Rfe8 20.cb6 ab6 21.Be5 fe5 22.Bf3 Rc8 23.Qe3 Nd5 24.Bd5 cd5 25.Qb6 d4 26.a4 d3 27.Rad1 e4 28.Qe3 h6 29.a5 Qb5 30.Rb1 Rc4 31.Red1 Rd8 32.h3 Rb4 33.Rb4 Qb4 34.a6 Qa4 35.Rd2 Qa6 36.Qe4 Qa3 37.Qe3 Qc3 38.g3 Qc4 39.h4 Rd4 40.Kh2 Qd5 41.Kg1 Re4 (better is 41...Kh7+=) 42.Qd3?? (better is 42.Rd3 Qf5 43.Qf3 Qf3 44.Rf3+/–) 42…Re1–+ (42...Re1 43.Qf1 Qd2–+) 0–1. ejdrzej (1625) – jay7 (1905), internet, 2011.

8.Be2 Bd6 9.0–0 Ne7 10.Ne4 Bc7 11.d4 ed4 12.Nd4 Bd5 13.Nc5 b6 14.Nd3 0–0 15.Bf3 Bf3 16.Qf3 Nd5 17.b5 c5 18.c4 cd4+/– 19.cd5 Be5 20.Rac1 Nd7 21.Rc6 Rac8 22.Qe4 Rfe8 23.Rc8 Rc8 24.f4 Bd6 25.Qd4 Nc5 26.Rc1 Rc7 27.Kh1 Nd3 28.Qd3 Rc1 29.Bc1 Qc7 30.Qd2 Qc5 31.a4+= Qc4 32.h3 Qa4 33.Qe2 Kf8 34.Qe6 Qb4 35.Bd2 Qc5 36.Be3 Qb4 37.h4 Qe1–/+ 38.Kh2 Bf4 39.Kh3?? Qe3 40.Qe3–+ Be3 41.Kg4 Ke7 42.Kf5 Bc5 43.h5 Kd6 44.h6 g6 45.Kf6 Bd4 46.Kf7 Kd5 47.Kg8 Ke6 48.Kh7 Kf5 49.g4? Kg4 50.Kg6 Kf4 51.h7 Ke4 52.Kf7 Kd5 53.Ke7 Kc5 54.Ke6 Kb5 55.Kd5 Bh8 56.Ke4 a5 57.Kd3 a4 58.Kc2 a3 59.Kb1 Kb4 60.Ka2 Ka4 61.Kb1 Kb3 62.Kc1 a2 63.Kd2 a1Q 64.Kd3 Qg7 65.Ke2 Qh7 66.Kf3 ½–½. orangutanb4 (2050) – w1tt (1785), internet, 2011.

8.Be2 Nd7 9.d3 Bd6 10.0–0 Ne7 11.Ne4 Bc7 12.c4 0–0 13.Qc2 Rad8 14.Rad1 h6 15.d4 ed4 16.Nd4 Ng6 17.Ne6 Qe6 18.c5 Nde5? (better is 18...Nf4!?+/–) 19.Rd8+– Rd8 20.Ng3?? (better is 20.f4 f5 21.fe5 (21.Be5?! Ne5 22.fe5 fe4+–) 21...fe4 22.Bc4+– (22.Qe4?! Ne5 23.Rf5 Rd5+=)) 20...Kh8 21.Rd1 Re8? (better is 21...Rd1 22.Qd1 Nf4=) 22.Bh5+– Re7? 23.Bg6 Ng6 24.Qg6 Qb3 25.Qb1 b6 26.cb6 Bb6 27.Rd3 Qc4 28.Qd1 Kh7 29.Bd4 Bc7 30.Ba7 Re5 31.Bc5 Rg5 32.Rf3 Qa2 33.h3 Bg3 34.Rg3 Rd5 35.Rd3 Rg5 36.a4 Qc4 37.a5 h5 38.Rg3 Qf4 39.Rg5 Qg5 40.Qd3 Kg8 41.a6 Qc1 42.Qf1 Qa3 43.a7 Qa2 44.Qd1 g6 45.Qd8 Kg7 46.a8Q Qb1 47.Kh2 Kh6 48.Be3 g5 49.Qh8 Qh7 50.Qh7 Kh7 51.Qc6 Kg6 52.Qe6 g4 53.hg4 hg4 54.Qg4 Kf7 55.Qf5 Ke7 56.Bd4 Kd6 57.Qf6 Kd5+– 58.Qe5 Kc4 59.Qc5 Kb3 60.b5 (60.b5 Ka4 61.b6 Kb3 62.Qc3 Ka4 63.b7 Kb5 64.b8Q Ka4 65.Qbb3#) 1–0. ejdrzej (1735) – perseu2 (2020), internet, 2012.

6.b5 Bc5

7.Bd3 Nh6 8.Nf3 0–0 9.Qe2 Be6 10.Qe4 Bf5 11.Qb7 Nd7 12.Bf5 Nf5 13.0–0 Bb6 14.a4 Nc5 15.Qd5 Ne6 16.d3 Nfd4 17.Nd4 Bd4 18.a5 Rfd8 19.Qc6 Rab8 20.Rab1 Rd6 21.Qc4 Nf4 22.Ne4 Qc4 23.dc4 Rdd8 24.c3 Ne2 25.Kh1 (25…f5 26.cd4 fe4 27.de5+–) 1–0. Reuter,Alfred (1770) – Brogger,Gunnar, 04. VCC–Open, 2001.

7.Ne4 Bb6 8.Nf3=.

7.Qf3 Ne7 8.d3 (8.Qe4 c6=) 8...0–0 (8...a6 9.Nge2+=) 9.Nge2 (9.Ne4 Bb6+=) 9...a6 10.a4 ab5 (10...Bb4 11.Ba3 Nd5 12.Bb4 Nb4 13.Rc1+=) 11.ab5 Ra1 12.Ba1 Bb4 13.Kd1 (13.Qe4 Ba5+=) 13...Rd8 14.Nc1 (14.g4 Nd5–/+) 14...Bc3 (14...Nf5 15.Ne4–/+) 15.Bc3 c6 (15...Qe8 16.b6 cb6 17.Bd2–/+) 16.Ba5 (16.bc6 Nbc6 17.Be2 Nd5–/+) 16...Rd5 (better is 16...Rd4 17.Be2 Bg4–/+) 17.c4? (better is 17.Bc7!? Rd4 18.h3–/+) 17...Rd4–+ 18.Ne2? (18.Qe2 Qc4 19.Bb6 Rd5–+) 18...e4 (better is 18...Qc4! 19.Nd4 Qd4–+) 19.Qf4–/+ Rd3 20.Ke1 Nd7 (20...Ra3 21.Bd2 Nd7 22.Nc1–/+) 21.Nc1 (21.Qe4 Nc5 22.Qf4 Ra3–+) 21...Ra3 22.Bb4 (22.Bd2 Qe6–/+) 22...Ra4 23.Bd6 (23.Be7 Qe7 24.bc6 Nb6 25.cb7 Qb7–/+) 23...Qe6 (23...cb5 24.c5 Rd4–+) 24.Be2 (24.Be7 Qe7 25.bc6 Nb6 26.cb7 Qb7–/+) 24...Ng6 (24...Nf5 25.c5 Rd4 26.bc6 bc6 27.Qg4–+) 25.Qg3 (25.Qd2 Nde5 26.Be5 Ne5 27.Qd8 Kf7 28.Bh5 g6–+) 25...Ra1 26.Bf4 (26.Ba3 Nc5! 27.Qc3 Qe5–+) 26...Nde5 (26...Nf4 27.Qf4 cb5 28.cb5–+) 27.Kd2 (better is 27.Qc3 Nd3 28.Bd3 ed3 29.Be3–+) 27...Nc4 28.Bc4 Qc4 29.Qb3 (29.Rd1–+) 29...Qb3 (29...Qb3 30.Nb3 Rh1–+ (30...Nf4?! 31.Ra1 Kf7 32.Nc5=)) 0–1. Huelle – Friesse, Leipzig, 1999.

7.Nf3 Ne7 8.Be2 Be6 9.0–0 Nd7 10.d4 ed4 11.Nd4 Bd4 12.Qd4 0–0 13.Ne4 (13.Qe4 Nd5+=) 13...b6 (13...Rfe8 14.Rfe1=) 14.c4 (14.Rfe1 Ne5+=) 14...Rad8 (14...a6 15.Rfe1=) 15.Qc3 Ng6 16.Rac1 (16.f4 Rfe8+=) 16...Rfe8 17.Bf3 (better is 17.Rfe1=) 17...Nde5–/+ 18.Bh5 Bc4 19.Bg6 hg6 (19...Qg6?! 20.Rfe1 Rd3 21.Qb4–+) 20.Rfe1 Nd3 21.Qc4 Qc4 22.Rc4 Ne1 23.h3 Nd3 24.Bc3 Rd7 (24...c5 25.f3–+) 25.f3 Nf4?? (25...f5 26.Ng5–+) 26.Kh2? (26.Bf6 Nd3 27.Bc3 a6–/+) 26...Ne6 27.Nf2? Nc5 28.Ng4 Re2 29.Kg3 Ra2 30.Bb4 Nd3 31.Bc3 Nc5 32.Bb4 Ne6 33.Bc3 Kf7 34.h4 Rd1 35.Ne3 Rb1 36.f4 Rb5 37.f5 Nc5 38.fg6 Kg6 39.Nd5 Ne4! 40.Kf4 Rd5 41.Ke4 Rd7 42.g4 Re2 43.Kf3 Ree7 44.h5 Kf7 45.Bb4 Re6 46.Kf4 c5 47.Bc3 Red6 0–1. brother – kadz55, internet, 2013.

7.Nf3 Ne7 8.Ne4 Nd7 9.c4 0–0 10.Be2 Bb6 11.d4 ed4 12.Nd4 Nc5 13.Nc3? Rd8–/+ 14.0–0 Nf5?? 15.Nd5= Nd4 16.Bd4 Be6 17.Bf3 c6 18.Nb6 ab6 19.bc6 bc6 20.Bc6 Bc4 21.Ba8+= Bf1 22.Kf1 Qc4 23.Kg1 Rd4 24.Qf3 Kh8 25.h3 h6 26.Qf5 Qd3 27.Qd3 Rd3 28.a4 Kg8 29.a5 Nb3 30.Rb1 ba5? 31.Be4?? Rc3?? 32.Bd5 Kf8 33.Bb3 Ke7 34.Ba4 Ra3 35.Bc6 Kd6 36.Be8 g5 37.g4 Rh3 38.Kg2 Ra3 39.Rb6 Ke7 40.Bc6 Ra1 41.Bd5 a4 42.Ra6 a3 43.Kf3 Kd7 44.Rf6 Rd1 45.Ba2 Rd2 46.Be6?? Ke7+= 47.Rh6 Rd6 48.Rh7 Ke6 0–1. nizinna – perseu2 (1750), internet, 2011.

6.b5 Be6

7.Be2 Nd7 8.a4 Bb4 9.a5 Ne7 10.Nf3 Rd8 11.0–0 0–0 12.d3 Ng6 (12...c6 13.a6 b6 14.d4+=) 13.Ne4 (13.a6 b6=) 13...Nf4 14.c4 (better is 14.Bc1!? Ne2 15.Qe2=) 14...Nc5–/+ (14...Ne2?! 15.Qe2 Nc5 16.Nc5 Bc5 17.Ba3 Ba3 18.Ra3=) 15.Nc5 White gets strong initiative 15...Bc5 (15...Ne2?! 16.Qe2 Bc5 17.Ba3 Ba3 18.Ra3=) 16.Bc1 Nd3 17.Bd3 e4! 18.Be4 Exploits the pin. 18...Rd1 19.Rd1 Bc4 20.Bb7 Qh5 (20...Qe8 21.Bc6 Bf2 22.Kh1–/+) 21.Bb2 (21.Bc6 Rb8+=) 21...Bd6 (21...Bb5? 22.Rd5 Qg4 23.Rc5+–) 22.b6 ab6 23.a6 The passed pawn on a6 will quickly become a dangerous weapon 23...Be2 (23...Qb5 24.Bc1 Bb3+=) 24.Rd5 Qh6 (24...g5!? 25.Rd6 cd6=) 25.Rd6+= Ba6? (25...cd6 26.Bd5) 26.Bd5+– (26.Ra6?! cd6 27.Rb6 Qg6=) 26...Kh8 27.Rd7 (27.Ra6?! cd6 28.Rb6 Qg6=) 27...Bd3? (better is 27...Qf4 28.Ra6 Qf5 29.Rc7 Qd5+–) 28.Ra8 (28.Rc7?! Qh5 29.Bc6 b5+–) 28...g5 (28...Ra8 29.Ba8 Kg8 30.Rd3 c5+–) 29.Rf8 (better is 29.Rdd8 Kg7 30.Rf8+–) 29...Qf8 30.Ng5 Bg6 (30...Bf5 31.Rf7 Qf7 32.Nf7 Kg7+–) 31.Ne6 Qc8 (31...Kg8 32.Nf8 Kf8 33.Bf6 h6 34.Rg7 Bf7 35.Rf7 Ke8 36.Re7 Kd8 37.Bc6 Kc8 38.Re8) 32.Bf6 Kg8 33.Nc7 (33.Rg7 Kh8 34.Rg6) 33...Kf8 (33...Bf7 34.Bf7 Kf8 35.Ne6) 34.Bg7 1–0. Labahn,Wolfgang – Rother,Christoph, Neustadt, 1988.

7.Be2 Nd7 8.Bh5 g6 9.Bg4=+.

7.Be2 Ne7 8.Nf3 (8.Bf3 Nd5=) 8...c5 (8...Nd7 9.0–0+=) 9.Ne4 (9.0–0 Nd5+=) 9...Nf5 (9...Nd5 10.0–0=) 10.c3 (10.a3 Bd5 11.Nc3 Be6+=) 10...Nd7 (10...Ba2 11.0–0+=) 11.0–0 (11.d3 Be7+= (11...Ba2? 12.c4+–)) 11...Be7 (11...Ba2 12.Re1+=) 12.d4= cd4 (12...0–0 13.Qc2=) 13.cd4 ed4 14.Nd4 Opening the d–file gets Black a lot of play. 14...Nd4 15.Qd4 0–0 (15...Nb6 16.Rfe1+=) 16.Rfe1 (16.Rfc1 Rfd8+=) 16...Rfd8 (better is 16...Ne5=) 17.Bf3?? (better is 17.Ng5! fg5 18.Bh5=) 17...Ne5–/+ (17...Ba2?! 18.Nc3 Ne5 19.Qe4=) 18.Qa4 (18.Qc3 Rd3 (worse is 18...Nf3 19.Qf3 Ba2 20.Qe3+=) 19.Qc7 Nf3 20.gf3 Rd7–/+) 18...Nf3–+ 19.gf3 Rd3 (19...a6 20.Kh1–/+) 20.Ng3 (20.Re3 Rd7–/+) 20...Bd5 (20...Rf3? 21.Qe4 Bb4 22.Qf3 (22.Qe6?! Be1 23.Re1 Qe6 24.Re6 Rd8+=; 22.Qb4?! Rd3+–) 22...Be1 23.Re1+–) 21.Rad1 (21.Rac1 Bd6–/+ (21...Rf3?! 22.Rc7 Re8 23.Qd4+=; 21...Bf3?! 22.Re7 Qe7 23.Qc4 Rd5 24.Qb3+=)) 21...Rd1–+ 22.Qd1 (22.Rd1 Ba2 23.Rd7 Bb3+=) 22...Ba2 23.Re4 (23.Qd4 Be6–+) 23...Rd8 24.Qe1 (24.Qa4 Bc5–+) 24...Bf8 (24...Bc5 25.Qc1 Rc8 26.Bd4–+) 25.Qe2 (25.Bd4 f5 26.Rf4 Rd5–+) 25...Bb1 (25...Bd5 26.Re3–+) 26.Rd4 Rd4 (26...Re8 27.Qc4–+) 27.Bd4 b6 (27...Qd5 28.Ba7 Bd3 29.Qe3 Bb5 30.Kg2–+) 28.Kg2 (28.Ne4 Bb4–+) 28...Qd5 29.Qb2 (29.Qf1 Bg6 (29...Qd4?! 30.Qb1 Bc5 31.Qc2–/+) 30.Qa1 Bd3–+ (30...Qb5?! 31.Qa2 Bf7 32.Qa7–/+)) 29...Bd3 30.Qc3 Bb5 31.Ne4 Qc4 32.Qa1 Qc7 (32...Qf7 33.Kh1–+) 33.Qb2 Bc4 34.Qc3 a5 (better is 34...Qf7–+) 35.Bb6 Qb6 Theme: Deflection from c4 36.Qc4 Kh8 37.Qf7 (37.Qc8 Qb4–+) 37...Qd8 38.h4 (38.Nc3 Bc5–+) 38...a4 39.h5 (39.Kf1 Ba3–+) 39...Qe7 40.Qa2 (40.Qd5 a3–+) 40...a3 41.h6 (41.Kf1 Qe5 42.Qf7 Qb5 43.Kg2 Bb4–+) 41...g6 (41...gh6 42.Kf1–+) 42.Qa1 (42.Qd2 g5 43.Qc3 Bh6 44.Nf6 Bg7–+) 42...Bh6 43.Qc3 (43.Kf1 Bg7 44.Qc3 a2–+) 43...Bf8 (better is 43...Kg7!? 44.Kf1–+) 44.Nf6 Qg7 45.Ne4 Qc3 46.Nc3 Kg7 47.f4 (47.Kf1 Bb4 48.Na2 Bd6–+) 47...Kf6 48.Kf3 Kf5 49.Nd5 (49.Ne2 a2 50.Nd4 Kf6–+) 49...a2 50.Ne3 Ke6 51.Nc2 Bg7 52.Kg4 h5 (52...h6!? 53.Kf3–+) 53.Kg5 Bf6 54.Kg6 h4 55.f5 Ke7 56.Nb4 a1Q 57.Nd5 Kf8 (57...Kd8 58.Nf6 h3 59.Ng4–+) 58.Nf6 Qg1 (58...h3 59.Nh7 Ke8 60.Nf6 Ke7 61.Ng4–+) 59.Kh5 h3 60.Nh7 Kg7 (60...Kg8 61.Nf6 Kf7 62.Ne4–+) 61.Ng5 h2 62.Nf3 (62.f6 Kf6 63.Ne4 Kf5 64.Ng3 Qg3 65.fg3 h1Q) 62...Qg2 (62...h1Q 63.Nh4 Kf6 64.f4 Qd1 65.Kh6 Qh4) 63.Nh4 (63.Nh2 Qh2 64.Kg5 Qf2 65.f6 Qf6 66.Kg4–+) 63...h1Q 64.f6 Kh7 (64...Kh7 65.f7 Qg6) 0–1. Finogenov,Mikhail – Kartashev,Yuri, Tula–ch Region, 2002.

7.Ne4 Nd7 8.Nf3 0–0–0 9.d3 Nc5 (worse is 9...Ba2 10.c4 Nc5 11.Nc5 (11.Ra2?! Ne4 12.Ra7 Bb4 13.Ke2 Nc5 14.Ra8 Kd7 15.Rd8 Kd8=) 11...Bc5 12.b6+/–) 10.Nc5 Bc5 11.Be2 Ne7 12.0–0 Nf5 13.c4 (13.Qe1 g5–/+ (worse is 13...Ba2 14.c4+/–)) 13...g5 14.a4 (better is 14.Nd2–/+) 14...Bc4?? (14...g4 15.Nd2 g3 16.hg3 Ng3–/+) 15.Qc2+/– Bd4 (15...Ne3 16.fe3 Be3 17.Kh1 Bb3 18.Ne5 fe5 (18...Bc2?? 19.Nf7 Rhe8 20.Nd8 Rd8 21.Bf6+–) 19.Rf7 Bc2 20.Be5 Rde8 21.Rc7 Kd8 22.Rb7 Re5 23.Rb8 Kc7 24.Rh8 Bd4+–) 16.dc4+– Bb2 17.Qb2 g4 18.Ne1 h5 19.Bd3 Nd4 20.a5 f5 21.a6 b6 22.Qb1?? e4= 23.Bc2 Qc4 24.Ra4?? Qd5 25.Rb4+= h4 26.Bb3 Qc5 27.Rc4 Qb5?? 28.Rd4!+– Rd4 29.Be6 Qd7 30.Bd7 Rd7 31.Qb5 Rf8 32.Qc6 Kd8 33.Nc2 Rd6 34.Qa8 Ke7 35.Qa7 Rc6 36.Qb7 Kd6 37.Nb4 Rc4 38.Rd1 Ke5 39.Qd5 Kf4 40.g3 hg3 41.hg3 Kg5 42.a7 Rb4 43.a8Q Ra8 44.Qa8 Rc4 45.Qg8 Kf6 46.Qh8 Kg6 47.Qg8 Kh6?? 48.Qc4 c5 49.Qb5 Kg5 50.Qb6 c4 51.Qc5 c3 52.Qc3 e3 53.Qe3 Kf6 54.Qf4 Ke6 55.Rd6 Ke7 56.Qe5 Kf7 57.Rf6 Kg7 58.Qf5 Kg8 59.Qg5 Kh7 60.Rh6 1–0. elektrooon – marki37, internet, 2012.

7.Qf3 c6 8.bc6 (8.Bd3 Bc5=) 8...Nc6 9.Bb5 Nge7 10.Nge2 Rd8 (10...a6 11.Ba4+=) 11.Ba4 (11.Ba3 Bd5 12.Qh3 a6 13.Nd5 Qd5= (worse is 13...Rd5 14.Bc4 b5 15.Bd5 Qd5 16.Nc3+/–; 13...Nd5?! 14.Bc6 bc6 15.Rb1=)) 11...a6 (11...Qg6 12.Rb1+=) 12.d3 (12.Bb3 Nd5=) 12...b5 13.Bb3 Nb4 14.0–0 Bb3 15.ab3 Nc2 16.Ra6 Nb4 (16...Qb3!? 17.Rb1 b4+=) 17.Ra8+= Nec6 18.Rd8 Nd8 19.Nc1 (19.Ba3 Qb3 20.Bb4 Bb4+=) 19...Qd7= 20.d4 Qd4 21.Rd1 (21.Ba3 Qb6=) 21...Qb6 22.Nd3 (22.Ba3 Qc6=) 22...Nbc6 23.Qh5 Nf7 24.Nd5 Qb7 25.Qg4 Nd4 (25...Ncd8 26.Ne1=) 26.Bd4 Qd5 (26...ed4? 27.Re1 Kd8 28.N5f4+–) 27.Be5 Be7 (27...Qd7 28.Qd7 Kd7 29.Bb2+=) 28.Bc3 (28.Bd4 0–0 (28...Qb3 29.Bc5 Nh6 30.Qe2+–) 29.Nf4 Qe4+= (worse is 29...Qb3 30.Ne6 Ng5 31.Nf8 Bf8 32.Re1+/–)) 28...0–0 (28...Qb3 29.Nc5 Bc5 30.Qd7 Kf8 31.Re1+=) 29.Nf4 Qg5 30.Qf3 Rc8 31.Ne6 Qg6 32.Qb7 Rc3 33.Qe7 Rc8 34.h3 h6 35.Rd7 Ng5 36.Qg7 Qg7 37.Rg7 Kh8 38.Rc7 Rg8 (38...Re8 39.Nd4 Ne6 40.Ne6 Re6 41.Rb7 Re1 42.Kh2+–) 39.Nf4 (39.Ng5 Rg5 40.b4 Kg8+–) 39...Nf3 40.Kh1 Nd2 41.b4 Ra8 42.h4 Ra6 (42...Rd8 43.Ng6 Kg8 44.Ne7 Kf8 45.Nf5+–) 43.Kh2 Ne4 44.f3 Nd6 45.Kg3 Kg8 (45...Nc4 46.Kg4 Kg8 47.Nd5+–) 46.Nd5 Nc4 (46...Kf8 47.Kf4+–) 47.Rb7 1–0. Steuer – Kuhlmann, email 4AMM–02, 1997.

6.b5 Nh6

7.d4 Bb4 8.Nf3 (8.de5 fe5 9.Nf3 0–0+=) 8...0–0 (8...ed4 9.Qe2 Be7 10.Nd4=) 9.Be2 (9.de5!? fe5 10.Qe2+=) 9...Rd8+= 10.0–0 Bf5 (10...a6 11.ba6 Na6 12.Ne4+=) 11.Nb1= Nd7 (11...e4 12.Nfd2=) 12.c3 Bd6 13.Nbd2 (13.Bc1 e4 14.Nh4 Be6 15.Bh6 gh6+=) 13...Kh8 (13...a6 14.ba6 ba6 15.Bc1=) 14.Nh4 (14.Nc4 Be4=) 14...Be6 15.Ne4 Be7 16.Qc1 (16.Bc1 Bd5 17.Ng3 f5 18.Bh6 Bh4+=) 16...ed4 (16...Bc4 17.Bc4 Qc4 18.a4+=) 17.cd4= Nb6 (17...Rac8 18.Nf3=) 18.Ng3 (18.Nc5 Bd5=) 18...Ba2 (18...Bd6 19.a4+=) 19.Qc7= Rd7 20.Qc1 (20.Qc2 Bb3 21.Qb1 Bc4=) 20...Bd5 (20...Bc4 21.Bc4 Nc4 22.Qc2+=) 21.Re1 (21.Ba3 f5 22.Nf3 Bf3 23.Bf3 Ba3 (worse is 23...Rd4 24.Bb2 Rb4 25.Bb7+=) 24.Ra3 Rd4=) 21...Bb4+= 22.Bh5 (22.Rf1 Rc7 23.Qb1 Nc4=) 22...Qg8 23.Re2 (23.Re3 Rc8 24.Qc8 Qc8 25.Re8 Qe8 26.Be8 Re7+=) 23...Bc4–/+ 24.Rc2 (24.Re3 Bb5 25.Be2 Bc6–/+) 24...Re7 (24...Bd3 25.Be2 Bc2 26.Qc2–/+) 25.Qf4 (25.Bc3 Bc3 26.Rc3 Bb5+=) 25...Nd5 (25...Bb5 26.Qf3–/+) 26.Qf3 Bb5 27.Qb3 (27.Nhf5 Nf5 28.Nf5 Re6+=) 27...Bc6 28.Bf3 (28.Ba3 a5–/+) 28...a5 29.Nhf5 (29.Ba3 a4 30.Qb2 Ba3 31.Qa3 Qe8–/+) 29...Nf5 30.Nf5 Ree8 31.h3 (31.Ba3 a4 32.Qb2 Ba3 33.Qa3 Qe6–/+) 31...Qe6 (31...a4 32.Qc4–+) 32.Ng3 (32.Bg4 a4 33.Qg3 Qe4–+) 32...a4 33.Qc4 a3 (33...Qd7 34.Ba3 Ba3 35.Ra3 Re1 36.Kh2–/+) 34.Bc1 (34.Ba3 Qd6 (34...Ra3?! 35.Ra3 Ba3 36.Re2=) 35.Rca2 Ra3 36.Ra3 Ba3 37.Bd5 Bd5–/+ (37...Qd5?! 38.Qd5 Bd5 39.Ra3=)) 34...Qe1 (34...Qd6 35.Ne4 Qd7 36.Bd2 Bd2 37.Nd2–/+) 35.Kh2–/+ Nb6 (better is 35...Ra5–/+) 36.Qf1? (better is 36.Qd3 Rec8 37.Bg4–/+) 36...a2?? (36...Qf1 37.Nf1 Bf3 38.gf3–+) 37.Bb2?? (better is 37.Bc6 bc6 38.Raa2 Ra2 39.Ra2=) 37...Qe6 (37...Qf1 38.Nf1 Bf3 39.gf3–+) 38.Bg4? (38.Bc6 bc6 39.Qc1 Qb3–+) 38...Qf7 (38...Qb3 39.Bf5–+) 39.Bc3 (39.Bc1 Re1 40.Qd3 Ra5–+) 39...Bd6 (better is 39...Qb3 40.Qc1 Ba4–+) 40.Qd3?? (better is 40.f4–+) 40...Be4 41.Qd1 (41.Qb5 Bc2 42.Qb6 Qb3 43.Qb3 Bb3–+) 41...Bc2 42.Qc2 h5 (42...Qc4!? 43.Qd2 Bf4 44.Qb2–+) 43.Bf5 Nd5 (43...Qc4 44.Bd3 Qc7 45.Ra2–+) 44.Bd2 (44.Bg6 Qe6 45.Be8 Re8–+) 44...h4 45.Bg6 hg3 46.fg3 (46.Kh1 Qe6 47.Be8 Qe8 48.fg3 Bg3 49.Qb3–+) 46...Ne3 (46...Qc7 47.Qb3 Red8 48.Qf3 Bg3 49.Qg3 Qg3 50.Kg3–+) 47.Qd3?? (better is 47.Be3 Qe6 48.Be8 Qe3 49.Bf7 Bg3 50.Kh1 Qd4 51.Qc1–+) 47...Qd5 48.Qe2 (48.Be3 Ra3 49.Qa3 Ba3 50.Be8–+) 48...Bg3! 49.Kh1 (49.Kg3 Nf5 Double attack) 49...Re7 (better is 49...Nc2! 50.Be8 Na1 51.Bc3–+) 50.Bb4 Qd4 (better is 50...Kg8 51.Qb2 Rd7–+) 51.Qh5 (51.Qh5 Kg8 52.Qh7 Kf8 53.Qh8) 1–0. Buczinski,Henryk – Kwiecien,Zbigniew, Lublin Poland, 1978.

7.d4 Bd6 8.de5 Be5 9.Nf3 Bc3 10.Bc3 0–0 11.Be2 a6 (11...Be6 12.a4=) 12.a4+= ab5 13.ab5 Ra1 14.Ba1 Nf5 (14...Kh8 15.0–0+=) 15.0–0 Be6 16.Nd2 (16.Re1 Bc4+=) 16...Nd7 (16...Rd8 17.Re1=) 17.Bh5 (17.Re1 Ra8+=) 17...Qe7 18.Re1 Nd6 (18...Rd8 19.Qe2 Nf8 20.Ne4+=) 19.Qe2 (19.Nb3 f5+/– (19...Nb5? 20.Qe2+–)) 19...Ra8+= 20.Nb3 (20.c4 Ra2 21.Bc3 Nf8+=) 20...Nf8 21.Nc5 b6 (21...Ra5 22.Ne6 Qe6 23.Qd2+= (worse is 23.Qe6 Ne6 24.Bg4 Nc5=)) 22.Ne6+/– Qe6 23.Qe6 Ne6 24.Bf3 Re8 25.Bd5 (25.Bc6 Re7+/–) 25...Kf7 26.c4 h6 (26...Re7 27.Bc3+/–) 27.g4 g6 28.f3 Re7 29.h4 h5 (29...g5 30.hg5 hg5 31.Bd4+/–) 30.Kg2 Re8 31.Kg3 (31.Bc3 Re7+/–) 31...Re7 32.g5 fg5 33.hg5 Re8 34.Bf6 Nf5 35.Kh3 Nd6 36.Be5 Re7 37.Bd6 cd6 38.Kh4 Re8 39.f4 Re7 40.f5! gf5 41.Kh5 f4 42.Kg4 f3 43.Kf3 Re8 (43...Kg6 44.Kg4+–) 44.Kg4 (44.Re6 Re6 45.Be6 Ke7+–) 44...Re7 45.Kf5 (45.Kf5 Ra7 46.Re6+–) 1–0. Kucharkowski,Jens – Sicker,Rolf, CiF, 2006.

7.Be2 Ne7 8.Bh5 g6 9.Bf3 Bc3 10.Bc3 Nd7 11.Ne2 Nc5 12.Bb4 e4 13.Bg4 Ne6 14.0–0 Nd5 15.Ba3 f5–/+ 16.Bh3 Nef4 17.Nf4 Nf4–/+ 18.d3 Nh3 19.gh3 Bd7 20.Bb2 Rf8 21.c4 0–0–0 22.Qa4 Kb8 23.Be5 f4 24.c5 Qe7 25.Qe4 Bf5 26.Qe1?? Bh3–+ 27.Kh1 Rfe8 28.d4 Bf1 29.Qf1 Qe6 30.a4 Qd5 31.f3–/+ Re5 32.de5 Qe5 33.c6 Re8 34.Rd1 Qe6 35.cb7=+ Qe2 36.Qe2 Re2 37.h4 Rf2 38.Rd3 h6 39.Kg1 Ra2 40.h5 gh5 41.Rd4= Ra4?? 42.Ra4+– 1–0. Mroz,Antoni – Barszcz,E, corr Poland, 1985.

7.Be2 Nf5.

7.Nge2 Be7 8.Ne4 0–0 9.f4 ef4 10.Nf4 Re8 11.Be2 Bb4 12.Ng3 Qc4 13.0–0 Re2 14.Qe2 Qc2 15.Qe8 Bf8 16.Ba3 Nd7 17.Qe6 Kh8 18.Rac1 Qa4 19.Bf8 Nf8 20.Qe8 Kg8 21.Rc7 Qd4 22.Kh1 Qd2 23.Rc8 1–0. Wall – Beech, Okinawa 1972.

7.Nge2 Be7 8.Ne4 (8.Ng3 0–0=) 8...0–0+= 9.f4 (9.d4 Rd8+=) 9...ef4 (9...Nd7 10.d4+=) 10.Nf4 Re8 (10...a6 11.ba6 Na6 12.Be2+=) 11.Be2= Bb4 (11...Bf8 12.d3 f5 13.Ng3+=) 12.Ng3 (12.Nc3=) 12...Qc4 (better is 12...Ng4!+=) 13.0–0+= Re2 (better is 13...Bc5!? 14.d4 Qb4+=) 14.Qe2+– (worse is 14.Nge2 Qb5 15.Bc3 Bc5 16.d4 Bd6+=; worse is 14.Nfe2 Qb5 15.Rb1 Qa4+/–) 14...Qc2?? (better is 14...Qe2 15.Nge2 Bd7+–) 15.Qe8 Bf8 16.Qc8 Qb2 17.Qb7 Qd4 18.Kh1 Ng4 19.Nh3 1–0. Wall,Bill – Beech,E, Kadena AB Okinawa, 1972.

7.Nf3 Bb4 8.h3 Be6 9.a4 (9.a3 Bc3 10.Bc3 Nd7=) 9...Nd7 10.Ne4 Rd8 11.c3 Be7 12.Bd3 Nb6 13.Bc2 Nc4 14.Bc1 Nf5 15.d3 g5 (15...Ncd6 16.Nd6 Nd6 17.Qe2=) 16.Qe2= Nb6 17.g4 (17.a5 Nd5+=) 17...Nh4 (17...Nd6!?=) 18.Nh4+/– gh4 19.c4 (19.a5!? Nd5 20.Bh6+/–) 19...h5 20.f3 Bb4 21.Bd2 Bd2 22.Nd2 Rd4 (22...a5 23.ba6 ba6 24.a5+=) 23.a5 Nd7 (23...Nc8 24.Nb3 Rf4 25.Nc5+=) 24.Nb3+/– Rf4 25.Qe3 Qe7 (25...a6 26.Qa7 0–0 27.Qb7 ab5 28.Nd2+/– (28.Qc7?! Bc4 29.Nd2 Bd5=)) 26.0–0 (26.Qa7 Rf3 27.Qb7 hg4+/–) 26...hg4 (26...Qg7 27.Kh2 (worse is 27.Qa7 hg4 28.fg4 Bg4=) 27...b6 28.Rfe1+=) 27.fg4 Rf1 28.Rf1 b6 29.ab6 ab6 30.Nd2 Rg8 31.Kh1 (31.d4 Bg4 32.hg4 Rg4 33.Kh1 Rd4 34.Bg6 Kd8 35.Ra1+/–) 31...Qg7 (better is 31...f5!? 32.gf5 Qg7=) 32.d4+/– f5? (better is 32...Ke7!?+/–) 33.Bf5+– Bf5 34.Rf5 Kd8 (34...Rf8 35.Rg5 Qf6 36.Kg2+–) 35.de5 1–0. Biberger,Hans (1840) – Uhlmann,Erik (1975), Regionalliga SW, 2006.

7.Nf3 Be7 8.Be2 0–0 9.0–0 Rd8 10.Re1 Nd7 11.Bf1 (11.d4 Nc5=) 11...Nf8 (11...Nc5 12.Qe2 Be6 13.Ba3+=) 12.Ne4 (12.Bd3 Ng6=) 12...Bg4 13.c4 (13.a4 Ng6=) 13...Ne6 14.Qb3 (14.h3 Bf5+=) 14...Nf4 (14...a6 15.h3 Bf5 16.ba6 Ra6 17.Qe3–/+ (17.Qb7?? Rb6 18.Qa7 Rb2–+)) 15.d4= ed4 16.Nd4 f5 17.Ng3 (17.Nd2 Bf6 18.N2f3 Qg6 19.c5 Kh8=) 17...Bc5 18.Nc2 (18.Nf3 Qg6=) 18...Rd2 19.Ne3 Ne6 20.Bc3 (20.Bc1 Rd7=) 20...Rf2+= 21.Kf2 f4 22.Kg1 fg3 (better is 22...Be3 23.Kh1 Bf2+=) 23.Qb2?? (better is 23.Kh1=) 23...Nf5–+ 24.Bd2 (24.Kh1 Ne3 25.h3–+) 24...gh2 25.Kh1 Ng3 26.Kh2 Qh5 27.Kg3 Bd6 28.Kf2 (28.Qe5 Qe5 29.Kf2 Qf4 30.Kg1 Qh2 31.Kf2 Bg3) 28...Qh4 (28...Qh4 29.Kg1 Qh2 30.Kf2 Bg3) 0–1. Larussen – Pedersen, Denmark, 1965.

7.Nf3 Nf5 8.Be2 c5 9.Ne4 Be6 10.0–0 Nd7 11.c3 c4 12.d4= cd3 (12...Bd5 13.Nfd2=) 13.Bd3 Nb6 14.Qb1 (14.Qc2 Be7=) 14...0–0–0 (14...Rd8 15.Bc1=) 15.Bc2 (15.Bc1 Kb8=) 15...Be7 (15...g6 16.Rd1+=) 16.Re1 (16.Bb3 Rd7+=) 16...g5 (16...Nc4 17.Bc1+=) 17.Neg5= fg5 18.Ne5 Qf8 19.Nc6 Bc5 (better is 19...bc6!? 20.Re6 Ng7 21.Rc6 Kb8+/–) 20.Re6+– Ng7 21.Nd8 Qf2 22.Kh1 Rd8 23.Re5 Rd2 (better is 23...Bd6 24.Re4 Bh2+/–) 24.Be4 (better is 24.Rg5!? Kb8 25.Rg7 Rc2 26.a4+–) 24...Bd6= 25.Rg5 Qh4 26.Qg1 Qg5 (26...Bh2 27.Qh2 Qg5 28.Qh3 Kc7 29.Ba3+=) 27.Bc1+= Qh4 (27...Nc4 28.Bd2 Nd2 29.Bh7+=) 28.Bb7!+/– (28.Bd2 Qe4 29.c4 Nc4+=) 28...Kb7 29.Bd2 Nf5 30.Be1 Qc4 31.a4 Nd5 (31...Na4 32.Bf2+/–) 32.Qf2 Nfe3 (32...Qe4 33.Qf3 Qe5 34.g3+/–) 33.Qf7 (33.Bd2 Ng4 34.Qf7 Bc7+–) 33...Bc7 34.Qf3 Nc2? (better is 34...Qf4!? 35.Qf4 Bf4+/–) 35.Rd1+– Nce3 (35...Ne1 36.Qd5 Qd5 37.Rd5+–) 36.Rd4 Qa2 (36...Qb3 37.Bf2 Qb1 38.Bg1+–) 37.Bf2 (37.Re4 Nc2+–) 37...Qa1 (37...Qb1 38.Bg1 Bb6 39.Rd5 Nd5 40.Qd5 Kc7 41.Qc6 Kd8 42.Qd6 Kc8 43.Qf8 Kd7 44.Qf7 Kd6 45.Qf4 Ke6 46.Qg4 Kf6 47.Qf3 Ke7 48.Qb7 Ke6 49.Qc6 Ke7 50.Qb7 Ke6 51.Qc8 Ke7 52.Qb7=) 38.Bg1 Bb6 39.Rd3 (39.Rd5 Nd5 40.Qd5 Kc7 41.Qc6 Kb8 42.Qe8 Kc7 43.Qe7 Kc8 44.Qe6 Kc7 45.Qf7 Kd6 46.Qf4 Ke7 47.Qg5 Ke6 48.Qg4 Kd6 49.Qg3 Ke6 50.Qg8 Kd6 51.Qf8 Ke6 52.Qe8 Kd6 53.Qb8 Ke6 54.Qc8 Ke5 55.Qh8 Ke6 56.Qe8 Kd6 57.Qc6 Ke5 58.Qe8 Kd6=) 39...Kc7 (39...Kc8 40.a5 (40.Re3?! Ne3 41.a5 Qa5 42.Qf8 Kd7+=; 40.Rd5?! Nd5 41.Qf5 Kb8 42.Qf8 Kb7 43.Qf7 Nc7 44.Qf3 Kc8 45.Qf5 Kd8 46.Qf6 Kd7 47.Qf7 Kd8 48.Qg8 Ne8 49.Qd5 Kc8 50.Qf5 Kb8 51.Qf4 Nc7 52.Qf8 Kb7 53.Qf3 Kb8 54.Qf8 Kb7 55.Qf3=) 40...Bc5 41.Qh3 (41.Re3?! Be3 42.Qf5 Kb8 43.Qe5 Kc8 44.Qh8 Kd7 45.Qh7 Kd6 46.Qg6 Ke7 47.Qg7 Ke6 48.Qg4 Kd6 49.Qg6 Ke7 50.Qe4 Kd6 51.Qg6=; 41.Rd5?! Nd5 42.Qf5 Kb8 43.Qe5 Nc7 44.Qc5 Qa5+–) 41...Kd8 A) 42.Re3 Be3 (42...Ne3 43.Qh4 Kc8 44.Qe4 Qc3 45.b6 ab6 46.a6+/–) 43.Qh4 Ne7 44.Qd4 Bd4 45.cd4 Qa5–+; B) 42.Qh7+–) 40.Qf7 (40.c4!? Nc4 41.Rd1 Qe5 42.Rd5 Qe6+–) 40...Kc8 41.Qe8 (41.a5 Qa5 42.c4 Qa1+–) 41...Kc7 (41...Kb7 42.Qg8 (42.Re3 Be3 43.Qc6 Kb8 44.Qd6 Kc8 45.Qe6 Kc7 46.Qe5 Kc8 47.Qh8 Kd7 48.Qh7 Kd6 49.Qg6 Ke7 50.Qg7 Ke6 51.Qg4 Kd6 52.Qg6 Ke7 53.Qe4 Kd6 54.Qg6=) 42...Qf1 43.Rd5 Nd5 44.Qd5 Kc7 45.Qc6 Kd8 46.Qd6 Ke8 47.Qe5 Kd7 48.Qg7 Kd6 49.Qh6 Ke5 50.Qg5 Kd6 51.Qg3 Kd7 52.Qg4 Kd6 53.Qg3 Kd7 54.Qh3 Kd6 55.Qg3=) 42.a5! (42.Re3?! Ne3 43.Qf7 Kd6+/–) 42...Ba5 (42...Qa5 43.Qc6 Double attack (43.c4 Passed pawn); 42...Ba5 43.Qc6 Double attack (43.Re3 Deflection)) 43.c4 (43.Qf7 Kc8 44.c4 Qb1 45.Qe6 Kc7+–) 43...Qf1 44.Re3 Ne3 45.Qe3 Bb6 46.c5 (better is 46.Qe7 Kc8 47.Qe8 Bd8 48.Qe6 Kb8 49.Qd7+–) 46...Ba5 (46...Qb5 47.Qe7 Kc8 48.cb6 ab6 49.Qh7 Qb3+–) 47.Qe7 Kb8 48.Qe8 (better is 48.c6 Qb5 49.Qa7 Kc8 50.Qd7 Kb8 51.c7 Bc7 52.Qb5 Kc8 53.Qc6+–) 48...Kb7 (48...Kc7+–) 49.c6 (49.c6 Kc7 50.Qd7 Kb8 51.Qb7) 1–0. Fink,Norbert – Nautsch,Werner (2295), Ruhrgebiet, 1999.

7.Be2 Be7

8.Nf3 0–0 9.d4 (9.0–0 Be6=) 9...ed4 (9...Rd8 10.0–0=) 10.Qd4= Kh8 (10...Bd6 11.0–0=) 11.Qc4 Qc4 12.Bc4 Bf5 (12...Bg4 13.Bd5 c6 14.bc6 bc6 15.h3=) 13.0–0–0 (13.Nd4 Bd7+=) 13...Nd7 (13...a6 14.Nd4 Bg4 15.Ne6 ab5 16.Nf8 bc4 17.f3+=) 14.Nd4 Bd6?? (better is 14...Bg4 15.f3 Ne5+/–) 15.Nf5+– Nf5 16.Be6 (16.Be6 Nh4 17.Bd7 Ng2 18.Ne4 Bf4 19.Kb1+–) 1–0. Bosak,Alexandr Mikhailovich – Jakubaszek,A, corr, 1990.

8.Bh5 g6 9.Bf3 c6 10.bc6 Nc6 11.Nb5 Bc5 12.Bd5 Qd7 13.Qf3 Ne7 14.Bc4= (14.Qf6? Rf8 15.Qe5 A) 15...Bf2?! 16.Kd1 Bb6 17.Nd6 Kd8 A1) worse is 18.Nc8 Rc8 (18...Nd5 19.Nb6 Qg4 20.Nf3 Nb6 21.Re1+–) 19.Nh3 Qd5 20.Qd5 Nd5+=; A2) 18.Nf3+=; B) 15...Qb5–+) 14...a6 15.Nc3 Qd4 16.Bb3 (16.Qe2 b5 17.Bd3 Ng4=) 16...Bg4+= 17.Qe3 (17.Qf6?? Rf8 18.Qh4 Nhf5–+ (18...Qf2?! 19.Qf2 Bf2 20.Kf1–/+)) 17...Nef5 18.Qd4 Nd4 (worse is 18...Bd4 19.h3 Bh5 20.Rb1+=; worse is 18...ed4 19.Nd5 0–0–0 20.f3 Rhe8 21.Ne2+–) 19.h3 (19.Nge2 Be2 20.Ne2 Nhf5+=) 19...Bf5 20.d3 Nb3 (20...Bb4 21.Nge2+=) 21.ab3 Rc8 (21...Bb4 22.Nge2=) 22.Nge2= 0–0 (22...Kf7 23.g4 Bd7 24.Ne4=) 23.0–0 (23.f4 ef4 24.Nd5 g5=) 23...Rfd8 24.Rac1 (24.Rfe1 Kf7+=) 24...Nf7 (24...g5 25.Ng3+=) 25.g4 Be6 26.Ne4 Be7 27.f4 f5 28.gf5 gf5 29.N4c3 Bc5 (29...Bf6 30.fe5 Ne5 31.Nf4=) 30.Kh2 (30.Kg2 Rd7=) 30...Be3 (30...Bd6 31.fe5 Be5 32.Nf4+=) 31.Rce1= e4 (31...b5 32.b4=) 32.de4 Rd2 33.Rf3 Rc2 (33...Bc5 34.Na4 Bd6 (34...fe4? 35.Rg3 Kf8 36.Nc5 Rc5 37.Ba3+–) 35.Rg3 Kf8 36.Bg7 Ke8=) 34.ef5+= (worse is 34.Re3 Rb2 35.Nd1 Rb3+=) 34...Bf5 (better is 34...Rb2!? 35.Nd1 Bd5 36.Re3 Rb3+=) 35.Re3+= Rb2 36.Nd5 Rc5 37.Ne7 Kf8 38.Nf5 (38.Kg3 Nd6 39.Nd4 Rd2 40.Nef5 Rf5 41.Ne6 Kf7+=) 38...Rf5 39.Kg3 Nd6 40.Nd4 Rd5 41.Ne6 Kf7 42.Ng5 (42.Kf3 Nf5 43.Ng5 Kg7=) 42...Kg6 43.Kf3 h6 44.Ne6 Nf5 45.Rc3 Rb5 Exerts pressure on the isolated pawn 46.Nc5 Nd4 Increasing the pressure on the isolated pawn on b3 47.Ke4 Nb3 48.Nd3 (48.f5 Kh5 49.Nd3 Ra2–/+) 48...Rb1 (48...Ra2 49.Ne5 Kh5 50.Ng4–/+) 49.Re2 (49.Rb1 Nd2 50.Ke3 Nb1+=) 49...Kf6–/+ 50.Rc8 a5 (50...Rd1 51.Rf8 Ke7 52.Rh8–/+) 51.Rg2+= Rh5 (51...Rh1 52.Rgg8+=) 52.Rgg8 (52.Rcg8 Rh3 53.R8g6 Ke7 54.Rg7 Ke8 55.Rh7+–) 52...Nd2 (52...Rh3 53.Rgf8 Kg6 54.Ne5 Kh5 55.Nf3 Rf3 56.Kf3–/+) 53.Ke3 Nf1 54.Kd4 (54.Ke4 Rh3 55.Rgf8 Kg6 56.Ne5 Kh5 57.Rf5 Kh4 58.Ng6 Kg3 59.Rc3 Kg2 60.Rh3 Kh3 61.Rh5 Kg4 62.Rh4 Kg3 63.Rh6 a4–/+) 54...Rh3 55.Rgf8 Ke7 (55...Kg6 56.Rg8 Kh5 57.Rc5 Kh4 58.Rg6–/+) 56.Rfe8 (56.Kc5 Re3=) 56...Kf6 57.Rf8 Ke7 ½–½. Roldan,Antonio Jose – Hudson,Shane, internet, 1998.

8.Bh5 g6 9.Bf3 c6 10.bc6 Nc6 11.Nb5 Bc5 12.Bd5 Qd7 13.Qf3 Nf5 14.g4 (14.a3 Nce7 15.Bc4 a6–/+) 14...Nfe7 (14...Nb4 15.c4 a6 16.gf5 ab5 17.fg6=) 15.Be6 (15.Bb3 Rf8+=) 15...Qd8 16.Be5 Ne5 (16...Be6 17.Nc7 Qc7 18.Bc7 Bd5 19.Qf6 Bd4–+) 17.Qf6+= Nd3 18.cd3 Rf8 19.Qe5 Bf2 20.Ke2 Nc6 (20...Be6!? 21.Qe6 Qd7 22.Nd6 Kd8 23.Nf7 Ke8 24.Qd7 Kd7 25.Ne5 Ke6+=) 21.Qe4+/– Qe7 (better is 21...Bd7!? 22.Bf5 Qe7 23.Nd6 Kd8 24.Nb7 Kc8 25.Qe7 Ne7 26.Rc1 Kb7 27.Bd7 Rad8+/–) 22.Bc8+–. Novitsky,Mikhail P – Bolychev, corr, 1962.

8.Bh5 g6 9.Bf3 c6 10.bc6 Nc6 11.Nb5! Bc5 12.Bd5 Qe7 13.Qf3 Nd8.

8.Bh5 g6 9.Bf3 f5 10.Bd5+= Qg7 11.Qe2 Nd7 12.f4 (12.Rb1 Ng4+/–) 12...e4 (worse is 12...ef4 13.Bb7 Bb7 14.Nd5+/–) 13.0–0–0 (13.Nh3 Bf6+=) 13...Bf6= 14.Nh3 (14.Nf3 a6=) 14...Nb6+= 15.Bb3 Bd7 16.Ng5 0–0–0 (16...a6 17.ba6 Ra6 18.Rde1+=) 17.h4 (17.a4 Kb8=) 17...Rhe8 (17...Qe7 18.Kb1+=) 18.Rh3= Re7 (18...Qe7 19.a4=) 19.a4 (19.Ba3 Ree8=) 19...Bd4 (19...Kb8 20.h5=) 20.a5 Na8 21.a6 (21.h5 gh5 22.Bd5 Kb8=) 21...Nb6 (21...ba6 22.ba6 Ng4 23.Ba3–/+) 22.Ba3 (22.ab7 Kb7 23.h5 gh5 24.Rh5 e3+=) 22...Ree8= 23.h5 e3 (23...ba6 24.hg6 Bc3 A) worse is 25.Rc3 Bb5 (25...hg6 26.ba6 Na4 27.Ba4 Ba4 28.Qc4+/–) 26.Qe3 Qg6–/+ (worse is 26...hg6 27.Ne6 Re6 28.Be6 Kb7 29.Bb3+=); B) 25.dc3 hg6 26.ba6+/–) 24.Qf3 ed2 25.Rd2 c6? (25...Re1 26.Kb2 ba6 27.ba6 c6=) 26.ab7+– Kb7 27.Ne6!! Re6 (27...Be6 28.Qc6 Double attack (28.Qc6 Decoy); 27...Re6 28.bc6 Deflection) 28.Be6 Be8 29.Bc5! Ng4 (29...Bc5 30.Rd8 Pinning (30.Rd8 Deflection)) 30.hg6 hg6 31.Bd4 Rd4 32.Rd4 Qd4 33.Rh7 Kb8 (33...Ka8 34.bc6 Qe3 35.Qe3 Ne3 36.Rh8+–) 34.bc6 (34.bc6 Qe3 35.Qe3 Ne3 36.c7 Ka8 37.Nd5+–) 1–0. Johansson,Roland – Nilsson,Per Gunnar, corr SSKK 2–60, 1985.

5.Nf3 Bb4

6.Nc3 Bc3 7.Bc3 c5 8.d3 b6 9.Be2 Bb7 10.0–0 Ne7 11.Bb2 0–0 12.c4 Qc6 13.Nh4 Ng6 (better is 13...Qd6!?–/+) 14.Bf3+= Qc7 15.Bb7 Qb7 16.Ng6 hg6 17.Qg4 Kf7 18.f4 ef4 19.Rf4 Nc6 20.Raf1 Nb4?? (better is 20...Ne7=) 21.Bf6! gf6?? (21...gf6 22.Rf6 Mate attack) 22.Rf6 Ke7 (22...Kg8 23.Rg6 Qg7 24.Rg7 Kh8 25.Rff7 Rf7 26.Rf7 Na2 27.Qg7#) 23.Qe6 Kd8 24.Rf8 Kc7 25.R1f7# 1–0. ejdrzej (1720) – prutis, internet, 2012.

6.Nc3 Bc3 7.Bc3 Bg4 8.Be2 Ne7 9.0–0 0–0 10.a4 c6 11.Rb1 e4 (11...c5 12.d3–/+) 12.Nd4 Be2 13.Ne2 b6 14.Ng3 f5 (14...Nf5 15.Nf5 Qf5 16.f3–/+) 15.Qh5 (15.Nh5!? Rf7 16.Bg7=) 15...Ng6 16.Qg5 (16.f3 Nd7–/+) 16...Nd7 17.Nh5 Rf7 18.Nf4 Nf4 19.Qf4 Re8 (19...Qa2 20.a5–+) 20.d3? (better is 20.a5–/+) 20...ed3–+ 21.cd3 Qd3 22.Ba1 h6 23.Rbd1 Qe4 24.Qg3 f4 25.Qg4 Qe6 26.Qf3 g5 27.h3 Qf5 28.Qc6+= Ree7 29.Qc8 Rf8 30.Qc3 Kf7 31.Rde1 Re1 32.Re1 Re8?? 33.Re8 Ke8–/+ 34.Qh8 Qf8 35.Qd4 Kd8 36.Bc3 Qc5 37.Qc5 bc5 38.f3? Ke7–+ 39.Kf2 Ke6 40.g3 fg3 41.Kg3 Nb6 42.a5 Nd5 43.Bd2 Kf5 44.Kf2 Nb4 45.Ke3 Nc6 46.Kd3 a6 47.Kc4 Ne7?? 48.Kc5+– Ng6 49.Kb6 Ne5 50.Ka6 Nf3? 51.Bb4 Ng1 52.Kb7 Nh3 53.a6 Nf4 54.a7 Nd5 55.Bd6 g4 56.a8Q h5 57.Qf8 Ke4 58.Qh6 Kf3 0–1. elektrooon – loser22, internet, 2012.

6.c4 Qd8 7.Nc3 Ne7 8.Be2 0–0 9.0–0 b6 10.Qb3 Bc5 11.Rfd1 Be6 (11...Nbc6 12.Nb5 Nf5 13.Qd3–/+) 12.a3 (12.Nb5!? e4 13.d4 ed3 14.Bd3=) 12...Nbc6–/+ 13.Ne1? (better is 13.Ne4!?–/+) 13...Nd4 14.Qa2 Nc2?? (better is 14...Ne2 15.Ne2 Nc6–+) 15.Nc2+– b5 (15...Nf5 16.Nb5+–) 16.Ne3 (better is 16.d4 Bd4 17.Nd4 ed4 18.Nb5 c5+–) 16...Be3? (better is 16...c6+–) 17.de3 Qb8 18.Nd5 Nf5 19.Bf3 c6 20.Nc3 Bc4 21.Bc6?? Ba2–+ 22.Ba8 Bc4 23.Be4 Nd6 24.Bf3 f5 25.Rd2 e4 26.Bd1 f4 27.ef4 Rf4 28.Bc2 Qf8 29.g3?? e3 30.fe3 Rf1 31.Kg2 Qf3 32.Kh3 Be6 33.Kh4 Qg4 0–1. brother – maanus, internet, 2013.

4.f4 Bb4

5.a3 A) 5...Bd6 6.ed5 ef4 7.Qh5 (7.Bb5 Nd7 8.Qh5 g6 9.Qe2 Qe7 10.Qe7–/+ ) 7...g6 8.Bb5 Kf7 9.Qf3 a6 10.Bd3–/+; B) 5...Be7 6.ed5 B1) 6...ef4 7.Bc4 (7.Qh5 g6 8.Qf3 Bf5 9.Bb5 Nd7 10.Ba4+= ; 7.Bb5 c6 8.dc6 bc6 9.Bd3 Nh6 10.Qh5+=; 7.Nc3 c6 8.dc6 Nc6 9.Bb5 a6 10.Bc6+=) 7...Qd6 8.Nc3 Bf5 9.Nf3 Nh6 10.Nb5+=; B2) 6...Qd5 7.Nc3 (7.fe5 Qe4 8.Be2 Qg2 9.Bh5 Kd8 10.Bf3–/+ ) 7...Qe6 8.fe5 Qe5 9.Be2 Qa5 (9...Bf5+= 10.Rb1+=) 10.Bc4+=; C) 5...Bf8 6.ed5 (6.fe5 de4 7.Qh5 g6 8.Qh4 Nd7 9.Qe4 fe5 10.Bc4+= ) 6...ef4 7.Bb5 (7.Qh5 g6 8.Bb5 Bd7 9.Qe2 Qe7 10.Nc3+= ) 7...c6 8.Qh5 g6 9.dc6 Qe7 10.Qe2+=; D) 5...Bc5 6.ed5 D1) 6...Qd5 7.Qh5 Kd8 8.fe5 Nc6 9.Qf3 Qe6 10.Qd3–/+; D2) 6...ef4 7.d4 (7.Bb5 Bd7 8.Qh5 g6 9.Qe2 Qe7 10.Bd7+=; 7.Bc4 Qe7 8.Ne2 Bg4 9.d4 Bd6 10.Bb5–/+; 7.Qh5 g6 8.Bb5 Bd7 9.Qe2 Qe7 10.Bd7+=) 7...Bd6 8.c4 Bf5 9.c5 Bf8 10.Bb5+=; D3) 6...c6 7.Qh5 g6 8.Qe2 Bg1 9.Rg1 Qb6 10.Be5–/+.

5.ed5 Nd7 6.Bb5 (6.fe5 fe5 7.Qh5 g6 8.Qg4 Bd6 9.Nf3 Ne7=) 6...ef4 (6...a6 7.Qh5 Kf8 8.Be2 Ne7 9.a3 Bd6=) 7.Nh3 (7.Qh5 g6 8.Qe2 Qe7 9.Nh3 a6+=) 7...a6 (7...Qe7 8.Qe2 a6 9.Bd7 Bd7–/+) 8.Bd7 (8.Qh5 g6 9.Qe2 Qe7+=) 8...Bd7 (worse is 8...Kd7 9.Qg4 Ke8 10.Qg7 Qe7 11.Qe7 Ne7 12.Nf4+= (worse is 12.Bf6 Rf8 13.Be7 Be7+=)) 9.Nf4 Nh6 (9...Qe7!? 10.Qe2 Kf7–/+) 10.0–0 Nf5?? (better is 10...0–0=) 11.Qh5+– g6?? (11...Kf8 12.c3 Bd6+/–) 12.Ng6 Ng7 13.Qe2 Kf7 14.Nh8 Qh8 15.Bf6 (15.Bf6 Kg8 16.Nc3+–) 1–0. Brzoza,Miroslaw – Szymanowski, corr Poland, 1979.

5.ed5 ef4 A) 6.Qh5 g6 A1) 7.Qe2 Kf7 (7...Qe7 8.Nf3 Nd7 9.a3 Bd6 10.Nc3+= 10...Ne5+=; 7...Be7 8.Nc3 c6 9.Nf3 a6 10.Nd4 Qd6+= ) 8.Qf3 Bd6 9.Ne2 Bf5 10.Na3 Qe7+=; A2) 7.Qf3 Bd6 (7...Qe7 8.Ne2 Bf5 9.Nbc3 Bc3 10.Qc3–/+ 10...Na6+=) 8.Nc3 Bf5 9.Nge2 Nd7 10.Ne4 Ne5–/+ ; A3) 7.Bb5 Bd7 (7...c6 8.Qe2 Qe7 9.dc6 bc6 10.Ba4 Be6+= ) 8.Qe2 Qe7 9.Qe7 Be7 10.Nc3+= 10...Bb5+=; B) 6.Bb5 Bd7 (6...c6 7.Qh5 g6 8.dc6 bc6 9.Qe2 Qe7 10.Ba4 Be6+= ) 7.Bd7 (7.Qh5 g6 8.Qe2 Qe7 9.Qe7 Be7 10.Nc3+= Bb5+=) 7...Qd7 B1) 8.Qh5 Qf7 9.Qe2 Qe7 (9...Kd8 10.Qb5 Qe8+=) 10.Nh3+= (10.Nf3 Qe2–/+) 10...Bd6+= ; B2) 8.Nh3 Qe7 9.Qe2 Bd6 10.Ba3 Qe2+=.

5.fe5 Nc6 6.ed5 Qd5 7.Nf3 Bg4 8.Be2 0–0–0 9.c3 (9.a3 Ba5+=) 9...Bf3–/+ 10.cb4 (10.Bf3 Qe5 11.Qe2 Qe2 12.Ke2 Re8 13.Kd1 Bd6–/+) 10...Be2 11.Qe2 fe5 12.0–0 Nf6 13.b5 Nd4 14.Bd4?? (better is 14.Qd3–+) 14...Qd4 (14...ed4?! 15.Qd3–/+) 15.Kh1 Rd6 (better is 15...Qa1 16.Nc3 Qb2–+) 16.Nc3–/+ Qd2 17.Qe5 Re8 18.Rad1?? (better is 18.Qf5 Kb8 19.Rac1–/+) 18…Re5–+ (18...Re5 19.Rd2 Rd2–+) 0–1. florenc1330 (1670) – krainaoz (1880), playok.com, 2012.

5.fe5 d4 6.Bc4 fe5 7.Qh5+/– g6?? (better is 7...Kd7 8.Qe5 Qh4 9.g3 Qe7 10.Qe7 Be7+–) 8.Qe5+– Be7 (8...Qe7 9.Qh8 Qe4 10.Kd1 Be6+–) 9.Qh8 Kd7 10.Bg8 Bh4 (10...c5 11.Qh7 Qb6 12.Ba3+–) 11.g3 Qg5 (11...Bf6 12.Qh7 Qe7 13.Qg6+–) 12.Qh7 Kc6 13.Bd4 Bg3 14.hg3 Qg3 15.Bf2 Qe5 16.Nc3 Be6 17.Nf3 Qf6 18.Be6 Qe6 (18...a6 19.Bd5 Kd6 20.Bg3 Kc5 21.Qc7 Nc6 22.Bf2 Qd4 23.Bd4 Kb4 24.a3) 19.Nd4 (19.Nd4 Kc5 20.Qc7 Nc6 21.Nc6 Kc4 22.Ne5 Kb4 23.Bc5) 1–0. Intruder – sbachake, internet free game, 2018.

5.fe5 Qe7 6.ed5+= fe5 7.Qh5 g6 8.Qe5 Nf6 9.Nf3 Bg4 10.Bb5 c6 11.dc6 Nc6 12.Ba4 (12.0–0 0–0 13.Qe7 Be7+/–) 12...0–0 13.Bb3 Kg7 14.Qe7 Be7 15.0–0 h5 16.h3 Bf5 (16...Bf3!? 17.Rf3 Bc5 18.Kh2 h4+=) 17.Nc3+/– Rae8 18.Rae1 Bc5 19.d4?? (better is 19.Kh2 Bd6 20.g3 Re1 21.Re1+/– (21.Ne1?! h4=)) 19...Nd4+= (19...Bd4?? 20.Nd4 Nd4 21.Re8 Re8 22.Nd5+–) 20.Nd4 Bd4 21.Kh1 Re1 22.Re1 Rf7 23.Bf7+/– Kf7 24.Na4 Bb2 25.Nb2 Bc2 26.Rc1 Be4 27.Kh2 h4 28.g4 Ke6 29.Re1 Ke5 30.Nc4 Kd4 31.Nd6 Bc6 32.Rd1 Ke5 33.Nf7 Kf4 34.Rf1 Bf3 35.Ng5! Kg5 36.Rf3 b5 37.Rb3 a6 38.a4 ba4 39.Ra3 Kf4 40.Ra4 (40.Ra4 Ne4 41.Ra6+–) 1–0. loveday (1665) – egomi (1685), internet, 2011.

5.fe5 Be7 6.ed5 Qd5 7.Nf3 Qe4 8.Be2 Nc6 9.Nc3 Qf5 10.0–0 (10.Nd5 Qd7 11.Bc4+/–) 10...Be6 (10...Ne5 11.Ne5 Qe5 12.Nb5 Qc5 13.Bd4+=) 11.d4 (better is 11.Nd4! Qe5 12.Nc6 bc6 13.Re1 Qd4 14.Kh1+=) 11...0–0–0= 12.ef6 Bf6 13.Ne5 (better is 13.Bd3 Qf4 14.Ne2+=) 13...Qg5 (better is 13...Be5 14.Rf5 Bd4 15.Kh1 Bf5=) 14.Nc6+/– bc6 15.Bc1 (better is 15.Ba6 Kd7 16.Qd3+/–) 15...Bd4?? (15...Qa5 16.Bg4 Qc3 17.Be6 Kb8 18.Rb1 Ka8 19.Kh1 Qd4 20.Qe2+/–) 16.Kh1?? (16.Qd4 Qg2 (16...Rd4?? 17.Bg5 Nh6 18.Be3+–) 17.Kg2 Rd4+–) 16...Qh4?? (better is 16...Qe7+=) 17.Ba6 Kb8 18.Rb1 Bb6+= 19.Qf3 Bd5 20.Nd5+/– cd5 21.Be3 Nf6= 22.a4 Qe4?? 23.Qe4 Ne4 24.a5 h6 25.ab6+– ab6 26.Bd4 Nd2 27.Rbd1 Nf1 28.Rf1 Rhf8 29.Ra1 c5?? 30.Be5 Ka7 31.Bc8 1–0. bratek55 (1760) – 1svetik, internet, 2012.

5.ed5 Qd5

6.fe5 Nc6 7.a3 Be7 8.Qh5 Kd8 9.Qf3 Qd7 10.ef6+=.

6.fe5 Nc6 7.Qf3 Be6 8.ef6 Nf6 9.a3 Ba5 10.Qd5+=.

6.fe5 Nc6 7.Nf3 Bf5 8.a3 Ba5 9.ef6 Nf6 10.Qe2+=.

6.fe5 Nc6 7.Nf3 Bg4 8.Be2 (8.ef6 Nf6 9.a3 Bc5+=) 8...fe5 9.0–0 (9.a3 Ba5+=) 9...Nf6–/+ 10.c4 (10.Nc3 Bc3 11.Bc3 Ne4–+) 10...Qc5 (10...Qd6 11.h3 Bc5 12.d4 Bf3 13.dc5 Qc5 14.Kh2 Be2 15.Qe2–+) 11.Kh1 0–0 12.a3 Ba5 13.Ng5 (13.h3 Bf3 14.Bf3 Nd4–+) 13...h6 14.Bg4 Ng4 (14...hg5?! 15.Be6 Kh8 16.Qf3=) 15.Ne4 Qc4 The mate threat is Qxf1 16.d3 (16.Nbc3 Bc3 17.d3 Ne3–+ (17...Bb2?! 18.dc4 Rf1 19.Qf1–+)) 16...Rf1 (16...Qc2 17.Bc1–+ (17.Qc2?? Rf1)) 17.Qf1 Qc2 18.Bc3 (18.Qc1 Qc1 19.Bc1–+) 18...Rf8 19.Qe1 Qd3 20.Kg1 (20.Ng3 Nf2 21.Kg1–+) 20...Bb6 (20...Bb6 21.Bd4 Bd4 22.Nf2 Bf2 23.Kh1 Be1 24.Nd2 Rf1 25.Nf1 Qf1) 0–1. Buczinski,Henryk – Kwiecien,Zbigniew, Siemianowice Slaskie, 1993.

6.fe5 Qe4 7.Qe2 Qe2 (7...Bf5 8.Qe4 Be4 9.ef6 Nf6 10.Nc3+=) 8.Be2 Ne7 (8...Nc6!? 9.a3 (9.Nf3 Bf5 10.a3=) 9...Be7 (9...Bc5= 10.Nf3=) 10.Nf3=) 9.ef6 gf6 10.a3 (10.Bf6+=) 10...Bc5 11.Bh5 Ng6 12.Bf6 Rf8 13.Bg6 hg6 14.Be5. Borrmann – Boettcher, corr priv, 1998.

6.fe5 Be6 7.Qe2 (7.a3 Be7 8.Qh5 Kd8 9.ef6 Nf6 10.Qd5+=; 7.Nf3 Nc6 8.a3 Ba5 9.Qe2 0–0–0 10.Nc3+=; 7.Qh5 Kd8 8.Be2 Qe4 9.ef6 Qc2 10.fg7–/+; 7.Qf3 Nc6 8.ef6 Nf6 9.a3 Ba5 10.Qd5+=) 7...Be7 8.ef6 Nf6 9.Nc3 Qd7 10.Nf3=.

6.fe5 Bf5 7.Qh5 (7.Qe2 Qe4 8.Qe4 Be4 9.ef6 Nf6 10.Nc3+=) 7...Bg6 8.ef6 Qe4 9.Ne2 Nf6 10.Qb5=.

5.fe5 de4

6.Bc4 Nc6 7.Bg8 Rg8 8.ef6 Bf5 9.a3 Ba5 10.Qh5 Bg6 11.Qh3 Qd5 12.Ne2 (12.fg7 Ne5=) 12...gf6 13.Nbc3 (13.Bf6 Rf8 14.Nbc3 Qd6+=) 13...Qd7 (13...Qd6!?–/+) 14.Qd7+= Kd7 15.Nd5 Rgf8 16.Nf6 Ke7 17.Nf4 e3 (17...Bf5!?=) 18.Ng6+= hg6 19.Nd5 Kd7 20.Ne3 Rae8 21.0–0–0 Rf2 (better is 21...Bb6!?+=) 22.Ng4+– Rg2 23.Nf6 Kd8 24.Ne8 Ke8 25.h4 Bb6 26.Rde1 Kd7 27.Bf6 (27.h5 Ba5 28.h6 Bd2 29.Kb1 Bh6 30.Rh6 Kd6+–) 27...Ba5 (27...Bc5!?+/–) 28.c3+– Bb6 29.Rh3 (29.d4 Na5 30.Bg5 c5+–) 29...Bc5 30.Rd3 Bd6 31.Re4 b5 32.a4 a6 (32...ba4 33.Ra4 Rf2 34.Bg5+–) 33.ab5 ab5 34.Rd5 (34.Kc2 Rf2 35.Bg5 Rf1+–) 34...b4 (better is 34...Rf2!? 35.Bg5 Rf5 36.Rf5 gf5+–) 35.c4 (35.c4 Rf2 36.Bg5+/–; better is 35.cb4!? Rf2 36.Bc3+–) 1–0. Thystrup,Preben – Dzuris,Ivan, corr ICCF TT–2–86–1, 1987.

6.Bc4 Nc6 7.Bg8 Rg8 8.Qh5 Kf8 9.Qh7 Ne5 10.Be5 fe5 11.Qe4 Bd6 12.Ne2 Qg5 13.0–0 Ke8 14.d4 c6 15.Ng3 Be6 16.Nd2?? Kd7?? 17.Nf3+/– Qe7 18.Ne5 Be5 19.de5 Bd5 20.Rad1 Kc7 21.Qd4 b6 22.c4 Be6 23.Nf5 Bf5 24.Qd6 Qd6 25.ed6 Kd7 26.Rf5 Raf8 27.Rg5 Rf6 28.c5 bc5 29.Rc5 Rd6 30.Rd6 Kd6 31.Ra5 Ra8 32.Kf2 c5 33.Ke3 Kd5 34.g4 g5 35.Kd3 Rh8 36.Ra7 Rh2 37.Rg7 c4 38.Kc3 Rh3 39.Kb4 Kd4 40.Rd7 Ke4 41.Kc4 Kf4 42.Rd4 Ke5 43.a4 Ra3 44.Rd5 Kf4 45.Ra5 Kg4= 46.Ra8 Kg3 47.a5 g4 48.a6 Kg2 49.a7 g3 50.Kb4 Ra1 51.Kb3 Ra6 0–1. bratek55 – 1svetik, internet, 2011.

6.Bc4 Nc6 7.Bg8= Rg8 8.Qh5 Kf8 9.Qh7 f5 10.a3 Ba5=.

6.Bc4 Nc6 7.Bg8= Rg8 8.Qh5 g6 9.Qh7 Be6 10.ef6 Qd7 (better is 10...Nd4!? 11.Kd1 Nc2 (11...Qf6 12.Ne2 0–0–0 13.Nd4=) 12.Kc2 Qd3 13.Kd1 0–0–0+=) 11.Qd7+/– Bd7 12.Ne2 0–0–0 13.Nbc3 Be6 14.0–0–0 Bg4 15.Rde1 Rd6 (better is 15...Be2 16.Re2 Rge8+–) 16.Ne4 Bd2 (16...Rd7+–) 17.Nd2 Rgd8 18.Ne4 Re6 (18...R6d7 19.Nf4 Bf5 20.Ng3+–) 19.Nf4 Re4 (19...Ree8 20.f7 Rf8 21.Ng5 Rf7 22.Nf7+–) 20.Re4 Bf5 21.Re2 Rf8 22.Rf1 (22.Rhe1!? Nd8+–) 22...Nb4 23.Ba3 Na2 (23...a5 24.Bb4 ab4 25.Nd5+–) 24.Kb2 Nc3 1–0. Bonetti,Shane – BigBob, ICC, 2002.

6.Bc4 Qe7 7.Qh5 (7.a3 Bc5 8.Qh5 g6 9.Qh4 fe5 10.Qe7 Be7–/+) 7...g6 8.Qh4 f5 9.Qe7 Ne7 10.a3 Bc5+=.

6.Bc4 Ne7 7.ef6 (7.a3!? Bd6 8.ed6 Qd6 9.Qh5 g6 10.Qe2+–) 7...gf6+/– 8.Bf6 Rf8 9.Qh5 Kd7 10.Qe5 (better is 10.Qh6 c6 11.Be5+/–) 10...Nbc6?? (better is 10...Qe8 11.Bg7 Bd6+=) 11.Be6+– Ke8 12.Qh5 Ng6 13.Bd8 Be6 14.Bg5 Bg8 (14...Nd4 15.Qh7 Bf5 16.Qc7 Rc8 17.Qb7 Rf7+–) 15.Ne2 Rf5 16.Rf1 Rf1 17.Kf1 Nce5 (17...Kd7 18.Qh3 Kd6 19.Nbc3+–) 18.a3 Bd6 19.Nbc3 Kd7 20.Ne4 Rf8 21.Kg1 Rf5 (21...Kc8 22.d4 Nd7 23.N2c3+–) 22.Nd4 Rg5 23.Qg5 Kc8 (23...Be7 24.Nf6 Bf6 25.Qf6+–) 24.Qf5 Kb8 25.Nd6 cd6 26.Qf6 Kc7 27.Nb5 Kc6 28.Qd6 Kb5 29.Rb1 Bb3 30.Rb3 Kc4 31.Rb4 1–0. orane (1990) – 30daz30knights, Live Game Caissa's Web, 2004.

6.Bc4 f5!?–/+ A) 7.Ne2 Nh6 (7...Nc6 8.Nf4 g6 9.Bf7 Kf7 10.e6 Be6–/+; 7...Qg5 8.Ng3 Qe3 9.Qe2 Qb6 10.Nc3 Ne7+=; 7...Bc5 8.Nf4 Ne7 9.d4 ed3 10.Qd3 Nbc6+=) 8.a3 Bc5 9.d4 ed3 10.Qd3 Ng4–/+; B) 7.Qh5 g6 8.Qh3 e3 9.Nf3 Nc6 10.e6 Nf6+=.

6.Bc4 Bf5 7.Bg8 Rg8 8.ef6 gf6 9.Qh5 Bg6 10.Qb5 Nc6 11.Qb7 Kd7 12.Qa6 Rb8 13.Nc3 Bf5 14.g3 Rb6 15.Qc4 Ne5 16.Qf1 Rg5 17.h4 Rh5 18.Qe2 Bg6 (better is 18...Bc3!? 19.Bc3 Qe8=) ½–½. Woschkat,Karl_Heinz – Keber,Ernst, BdF, 1989.

6.ef6 Nf6 7.Bc4 e3 8.c3 e2?? (better is 8...Bc5!?–/+) 9.Ne2?? (better is 9.Qa4 Nc6 10.cb4+–) 9...Be7 10.d4 Nc6 11.0–0 Bg4 (11...Na5 12.Bd3=) 12.h3+= Bh5 13.g4 Bf7? (better is 13...Bg6+=) 14.Bf7+– Kf7 15.g5 Qd6 (15...Qd5 16.gf6 gf6 17.Nf4 Rhg8 18.Kf2+–) 16.gf6 Bf6 17.Nd2 Rhe8 18.Nf4 Kg8 19.Qf3 (19.Qb3 Kh8 20.Nc4 Qd7+–) 19...Rad8 (19...Bg5 20.Ne4 Qe7 21.Rae1 Bf4 22.Qf4+–) 20.Ne4 Qe7 21.Nf6 (21.Nc5 Na5+–) 21...Qf6 22.Rae1?? (better is 22.Qg2 Qd6 23.d5+–) 22...Rf8?? (better is 22...Re1 23.Re1 g5+=) 23.Ba3 Rf7 24.Qg4 Nd4 25.cd4 Qd4 26.Kg2 c5 27.Re2 b6 28.Bb2 Qc4 29.Qe6 Qe6 30.Ne6 Rf1 31.Kf1 Rd3 32.Ng7 Rh3 33.Rf2 h5 34.Kg2 Rd3 35.Nh5 c4 36.Nf6 Kf7 37.Nd5 Ke8 38.Kf1 Rd5+/– 39.Ke2 b5 40.Bc3 Rd3 41.Rf3 Rd5 42.Rf6 Rd3 43.Rf3 Rd5 44.Bb4 Rh5 45.Rf8 Kd7 46.Rf7 Kc6 47.Ra7 Rh2 48.Kd1 Kd5 49.Rd7+– Ke4 50.a3 Ra2 51.Kc1 Rh2 52.Re7 Kd3 53.Rd7 Ke4 54.Rb7 Rh5 55.Rd7?? Rh3?? 56.Rd8 Rh5 57.Kc2 Rh2 58.Rd2 Rh3 59.Re2 Kd5 60.Rd2 Ke4 61.Re2 Kd5 62.Rd2?? Ke4= ½–½. orangutandu – tigrus1st (1740), internet, 2012.

6.Qh5 Kf8 7.a3 Be7 8.Bc4 g6 9.Qe2 fe5 10.Nc3 (10.Qe4 Nc6 11.Ne2+=) 10...Nc6= 11.Ne4+=.

6.Qh5 Kf8 7.a3 Be7 8.Bc4 Nh6 9.Ne2 Bg4 10.ef6 Bf6 (10...Bh5?? 11.fg7 Ke8 12.gh8Q Kd7 13.Qh7 Be2 14.Ke2+–) 11.Qb5 b6 12.0–0 Be2 13.Be2 Nf7 14.Bf6 gf6 15.Qc4 (15.Qb4 Nd6+=) 15...Nd6= 16.Qe6 Attacks the backward pawn on f6 16...Nc6 (16...Nd7 17.Nc3=) 17.Rf6+= Kg7 18.Rf4 Re8 19.Qd5 Ne5 20.Nc3 Increasing the pressure on the isolated pawn on e4 20...c6 21.Qd4 c5 (21...Ndc4 22.Re4 Qd4 23.Rd4+/–) 22.Qd5 (22.Qf2 Ng6 23.Qg3 Re5+=) 22...Ng6= 23.Rg4 (23.Rf2 Re5 24.Qc6 a6=) 23...Qe7 Black prepares the advance e3 (23...Qf6 24.Kh1=) 24.Rf1 e3 25.Rf3 (25.Kh1 Rf8=) 25...ed2 26.Qd2 Rad8 27.Rh3 Nf5 28.Qf4 (28.Bd3 Rf8=) 28...Rf8 29.Ne4 Rd4 30.Qg5 Qe6 (worse is 30...Re4 31.Rh7 Kh7 32.Qg6 Kh8 33.Qh5 Qh7 34.Qh7 Kh7 35.Re4+/–) 31.Bf3 h6 32.Qc1 a6 33.Rh5 (33.Kh1 c4=) 33...Rdd8 34.a4 b5 (better is 34...c4!?=) 35.ab5+/– ab5 36.Qb2 (36.Nc5 Qe5 37.Ne4 Qd4 38.Nf2 Qd2+/–) 36...Nd4+= 37.Rc5 Kh7 38.Rc7 ½–½. Kedzierski,Marek – van den Braak,Jelle, corr 3GMM–16, 1996.

6.Qh5 Kf8 7.Bc4 A) 7...Qe7 8.Ne2 (8.a3 Bc5 9.Nc3 g6 10.ef6 Nf6 11.Qh6+=; 8.Nc3 e3 9.Nd5 Qc5 10.Nf6 g6 11.Qh4+=; 8.Bd5 e3 9.Nf3 c6 10.Be4 Qf7 11.Qh4=) 8...g6 9.ef6 Qd8 10.Qd5 Qd5 11.Bd5+–; B) 7...Qe8 8.Qe2 f5 9.Nh3 Nc6 10.0–0 Bc5 11.Kh1=.

5.fe5 fe5

6.Qh5 Kf8 7.Qe5 Nf6 8.ed5 Nbd7 9.Qf4 Qe7 10.Ne2+=.

6.Qh5 Kf8 7.Qe5 Qh4 8.Kd1= Qf6 9.Qf6+= Nf6 10.Bf6 gf6 11.ed5 Bg4 (11...Kg7 12.a3 Ba5 13.Ne2+=) 12.Be2 f5 (12...Rg8!?+=) 13.h3+/– Be2 14.Ne2 (14.Ke2?! Nd7+=) 14...Rg8 15.Rf1 Ke7 16.g3 Nd7 17.Nd4 Kd8 (17...Kd6!?+/–) 18.Nf5+– Nb6 19.a3 Ba5 20.Nd4 Rg3? (20...Ke7 21.Nb3 Nc4+–) 21.Nb3 Rb3 (21...Ke7 22.Na5 Nd5 23.c4+–) 22.cb3 Nd7 23.Rf7 Bb6 24.Nc3 h6 (24...h5 25.Kc2 a5 26.Rh7+–) 25.Rh7 Bd4 (25...Nf8 26.Rh6 Ke7 27.Kc2+–) 26.Rc1 (26.Kc2 c6+–) 26...Be5 (26...a6 27.Kc2 h5 28.Rf1+–) 27.d4 Bd4 (27...Nf8 28.Rf7 Ke8 29.Rf8 Kf8 30.de5+–) 28.Nb5 Nf8 (28...Be5 29.Nc7! Bc7 30.Rh8 Ke7 31.Ra8 Bb6+–) 29.Rf7 Ke8 30.Rcc7 (30.Nd4?! Kf7 31.Rc7 Kf6 32.Rb7 Ke5 33.Nc6 Kd5 34.Na7 Ne6 35.Rd7 Kc5+–) 30...Be5 31.Rce7 Kd8 32.d6 Ng6 33.Nc7 Ne7 34.de7 Kc7 35.e8Q (35.e8Q Kb6 36.Qe6 Ka5 37.Qe5 Ka6 38.Qe2 Ka5 39.Rf5 Kb6 40.Rf6 Ka5 41.Qe5 b5 42.Qc7) 1–0. Hanison,Bernard (1815) – Valica,Slavo (1705), CT1–01 b2–b4.com, 2004.

6.Qh5 Kf8 7.Qe5 Qh4 8.Kd1= Nf6 9.ed5 Bd6 10.Ba3 Ba3 11.Na3=.

6.Qh5 Kf8 7.Qe5 Qh4 8.Kd1 Qg4 9.Ne2 de4=.

6.Qh5 g6?? 7.Qe5+– Qe7 8.Qh8 Qe4 9.Ne2 (9.Kd1 Bg4 10.Ne2 Qe6+–) 9...Be6 10.Nbc3 (10.Kd1 h6+–) 10...Qc2 11.Qe5 Kd7 (11...Qf5 12.Qc7 Qf7+–) 12.Nd4 Qb2 13.Qe6 Kd8 14.Qg8 Kd7 15.Rb1 Qa2 16.Na2 (16.Na2 c6 17.Qh7 Kd6 18.Qg6 Kc7 19.Ne6 Kd7 20.Nb4+–) 1–0. eszx – mkum, internet, 2009.

4.f4 d4

5.Bc4 Bb4 6.Qh5 (6.fe5!? f5 7.Nf3=) 6...g6+= 7.Qf3 Bd6 8.fe5 Be5 9.d3 (better is 9.Qb3!? Nh6 10.Nf3+=) 9...Nh6–/+ 10.Nh3 Ng4 11.Bc1? (11.Ng5 Qe7 (11...Nh2?! 12.Rh2 Qe7 13.Nf7 Bh2 14.Ba3 Qf7 15.Bf7 Kf7 16.g3=) 12.Ba3 c5–+) 11...Nc6 (11...Nh2 12.Qf2–+) 12.Nf2 (12.Nf4 Ne3! 13.Be3 de3–+) 12...Nf2 (better is 12...Nh2!? 13.Qe2 Bg3–+) 13.Qf2–/+ Nb4 14.Bh6 Qd6 (14...f5 15.0–0 Nc2 16.Bb5 Bd7 17.Qc2–/+) 15.a3 Nc6 (better is 15...Bh2!? 16.Kf1 Bg3=) 16.Bg7+= Rg8?? (better is 16...f5 17.Bh8 Bh8+=) 17.Bg8+– Bh2 (17...Bg4 18.Rf1+– (18.Bh7?! Kf7 19.Bg6 Kg6+–)) 18.Rh2! (18.Bf6? Bg3 19.0–0 Bf2 20.Rf2 Qd7–+) 18...Qh2 19.Bf6 Bg4 20.Bd5 Qh1 21.Qf1 Qh6 22.Nd2?? g5 23.Bc6+– bc6 24.Bd4 0–0–0 25.Bf6 Rf8 26.e5 Qh4 27.Qf2 Qh1 28.Nf1 Qh6 29.Kd2 Qg6 30.Rb1 Be6 31.Qa7 Qf7 32.Rb8 Kd7+– 33.Qd4 Bd5 34.Rf8 Qf8 35.Ne3 Qf7 36.c4 Qf8 37.cd5 Qa3 38.dc6 Kc6+– 39.Qd5 Kb6 40.Nc4 (40.Nc4 Ka7 41.Na3 Kb8 42.e6 Ka7 43.e7 Kb6 44.Qb5 Ka7 45.Bd4 c5 46.Bc5 Ka8 47.e8Q) 1–0. orangutandu – wladimir1, internet, 2011.

5.Bc4 g6 6.fe5 fe5 7.Nf3 Bg7 (7...Bb4 8.c3 dc3 9.Nc3=) 8.d3 a6 9.a4 Ne7 10.0–0 Bg4 (10...Qd6 11.Ng5 Rf8 12.c3+=) 11.Nbd2 (11.Bf7! Kf7 12.Ne5 Ke8 13.Ng4+/–) 11...Rf8 12.h3 Bd7 13.c3 Nbc6 14.cd4 ed4 15.Qb3 Qc8 (15...Bc8+=) 16.Kh2 (16.Ng5+/–) 16...Ne5?? (16...Bh6 17.Rad1 Bf4 18.g3+=) 17.Ne5 (better is 17.Nd4!? Bf6 18.N4f3 Nc4 19.Nc4 Bb2 20.Qb2+–) 17...Be5+= 18.Kg1 Rf4? 19.Nf3+– Bg7 20.Nd4 Rf1 21.Rf1 Bh3 22.Bf7 Kd8 23.Ne6 Be6 24.Be6 Qb8 25.Bg7 Qa7 26.d4 c6 27.Rf8 Kc7 28.Be5 Kb6 29.a5 Kb5 30.Bc4 1–0. orangutandu – cobe62, internet, 2012.

5.fe5 Nc6 A) 6.Bb5 A1) 6...Bb4 7.c3 (7.Bc6 bc6 8.c3 dc3 9.Bc3 Rb8 10.Qc2 Bg4+=) 7...dc3 8.Bc3 Bf8 (8...Be7 9.d4 Rb8 10.Nf3 a6+/–) 9.d4 f5+= 10.Bc6 bc6+=; A2) 6...Bd7 7.Bc6 Bc6 8.Qg4 Nh6 9.Qe6 Qe7= 10.Qe7 Be7=; B) 6.ef6 Nf6 7.a3 (7.b5 Ne5 8.Nf3 Bg4 9.Be2 Bf3= 10.Bf3 Bc5=) 7...Ne4 8.Qh5 g6 9.Qe2 Qe7 10.b5 Nd8+/–.

5.fe5 Bb4

6.Bc4 Bc5 7.Qe2 (better is 7.Bg8 Rg8 8.ef6+= g6 9.e5 Qd5+=) 7...Qe7+= 8.ef6 Nf6 9.e5 (9.Nf3 Bg4+=) 9...Ng4 (9...Bg4+=) 10.e6 Nf6 11.Nf3 Nc6 12.a3 0–0 13.Kd1 Rd8 (13...a6 14.a4–/+) 14.Ne5 (14.Re1!?=) 14...Ne5–/+ 15.Qe5 d3 16.cd3 (16.cd3 b5; 16.Bd3 Be6) 16...Ng4?? (better is 16...b5 17.Ba2 Bb7=) 17.Qg7!+– Qg7 18.e7 Rd5 (18...Be6 19.Be6 Qf7 20.Bf7 Kf7 21.ed8R Rd8+–) 19.e8Q (19.Bg7?! Be7 20.Be5 Be6+–) 19...Qf8 (19...Bf8 20.Bd5 Be6 21.Qe6 Qf7 22.Qf7) 20.Bd5 Be6 21.Be6 1–0. Makowski – Michalczuk, Poland, 1985.

6.Bc4 Nc6 7.a3 (7.Bg8 Rg8 8.Qh5 g6 9.Qh7 Be6 10.ef6 Bd6 11.f7 Bf7=) 7...Bc5 (7...Bf8!? 8.e6 Qd6+=) 8.Bg8+= Rg8 9.Qh5 Kf8 (9...g6!? 10.Qh7 Be6 11.ef6 Qf6 12.Qc7 Qh4 13.Kd1 d3=) 10.ef6+/– Bd6 11.fg7 (11.Ne2!? gf6 12.Nd4+/–) 11...Rg7+= 12.Nh3 Bh3 13.0–0 (13.gh3?! Ke7=) 13...Kg8 14.Qh3 Qg5 15.d3 (15.Rf5 Qg4 16.Qg4 Rg4+/–) 15...Re8 (15...Rf8 16.Rf8 Kf8 17.Kh1=) 16.Bc1 Qg6 17.Nd2 Ne5 18.Nf3 Nf3 19.Rf3 Rf8 (19...c6 20.Rf5 Qe6 21.Bg5+/–) 20.Rf8 Bf8 21.Bf4 c5 22.Rf1 Qg4 23.Qg4 Rg4 24.a4 Rg6 25.Bb8 (25.Rb1 b6+/–) 25...Ra6 26.Ra1 b5 27.Bf4 (27.a5 Bh6+/–) 27...c4 (better is 27...Ra4!? 28.Ra4 ba4–/+) 28.dc4 bc4 0–1. orangutandu – viktor888, internet, 2012.

6.Bc4 Be7 7.e6 Nc6 8.Qh5 g6 9.Qd5 Nb4=.

6.Bc4 f5 7.Nf3 Nc6 8.ef5 Bf5 9.0–0= d3=.

6.Bc4 h5 7.Qf3 Qe7 8.Bg8 Rg8 9.a3 Bc5+=.

5.fe5 fe5

6.Qh5+– Ke7 7.Qe5 Be6 8.Bd4 (8.Bb5 a6 9.Ba4 Nd7 10.Qd4 Ngf6+–) 8...Nc6 9.Bc3?? (better is 9.Bc5 Kf7 10.Qf4 Nf6 11.Nf3 Bc5 12.Ng5 Ke7 13.Ne6 Ke6 14.bc5+/–) 9...Ne5–+ 10.Be5 Nf6 11.Nc3 Kf7 (11...Ne4 12.Nf3 Nc3 13.dc3–+) 12.Nf3 Bb4 13.Ng5 Ke7 14.Ne6 Ke6 15.Bc4 Ke7 16.0–0 Rf8 17.Bf6 gf6 18.Nd5 Kd6 19.Nb4 c6 20.d4–/+ Kc7 21.d5? a5 22.Nd3–/+ b5 23.Nc5 Kb6 24.Ne6= Qd6 25.Bd3 Rf7 26.c4= bc4 27.Bc4 Rg8 28.Rab1 Ka7 29.Rfd1 Rb7?? 30.Rbc1 c5 31.Be2 Rc8 32.a4 Rb4–/+ 33.Rc4? Rc4–+ 34.Bc4 Qe5 35.Bd3 c4 36.Bc2 Qc3 37.Nd4 Qe3 38.Kh1 Re8 39.Nb5 Ka6?? 40.Nc7+/– Kb6 41.Ne8 Qe2 42.d6?? Qc2–+ 43.Rg1 Qe4 44.d7 Qd5 45.Nf6 Qd6 46.Rf1? Kc7?? 47.h3 c3?? 48.Rc1 Qd2 49.Nd5?? Qd5–+ 50.Rc3 Kd7 51.Rf3 Kc6 52.Rf4 Kc5 53.Kh2 Qe5 54.g3 Qe2 55.Kg1 Qd1 56.Kf2 Qd2 57.Kf3 Qc3 58.Kg4 1–0. bratek55 (1760) – 1svetik, internet, 2012.

6.Qh5 g6 7.Qe5 Qe7 8.Qh8 Qe4 9.Ne2 d3 10.cd3 Qd3 (10...Qe6 11.Qh7 Na6 12.a3+–) 11.Qg8 Qe4 12.Nbc3 Qe5 (12...Qh4 13.g3 Qb4 14.Nd5 Qb2 15.Nc7 Kd8 16.Rc1+–) 13.Nd5 Qg7 (13...Qb2 14.Nc7 Kd8+–) 1–0. Trkn – guest1278, ICC, 2004.

6.Qh5 g6 7.Qe5 Qe7 8.Qh8 Nf6 9.Bd4 Qe4 10.Be3 Qe7 11.Bc4 Be6 12.Be6 Qe6 13.Ne2 Qe7 14.0–0 Nbd7 15.Bg5 Qe2 16.Bf6 Qe6 17.Bg7 0–0–0 18.Bf8 Nf8 19.Qc3 Nd7 20.Na3 a6 21.Rae1 Qb6 22.d4 Qd6 23.Nc4 Qd5 24.Ne5 Nb6 25.Qc5 Qa2 26.Rf7 Na8 27.c4 Kb8 28.Rd7 Rc8+– 29.Rh7 Nb6 30.Nd7 Nd7 31.Rd7 Qd2 32.Qe7 Ka7 33.c5 Kb8 34.d5 Qb4 35.d6 Qc5 36.Kh1 a5 37.Rc7 Rc7 38.dc7 Qc7 39.Qe8 Ka7 40.Qg6 b6 41.Qg5 Ka6 42.h4 Qc5 43.h5 Qg5–+ 44.Kg1 Qh5 45.Rf1 Qg4 46.Rf8 Qb4 47.Ra8 Kb5 48.Rb8 Qd4 (48...Qd4 49.Kh1 Qd1 50.Kh2 Qd6 51.Kg1 Qb8–+) 0–1. bratek55 (1620) – shala12 (1640), internet, 2011.

6.Qh5 g6 7.Qe5 Ne7 8.Qh8 Be6 9.Qd4 (9.Nf3 Nec6 10.a3 Qe7+–) 9...Nbc6 (9...Qd4 10.Bd4 Nec6 11.Nf3 Nb4 12.Na3+–) 10.Qd8 Rd8 11.b5 Nb4 12.Na3 1–0. florenc1330 (1785) – buryszak (1760), internet, 2012.

6.Qh5 Kd7

7.Qe5 Nc6 8.Bb5 Qe7 9.Qd4 Ke8 10.Ne2 (10.Bc6 bc6 11.Nf3 Nf6+–) 10...Nf6 (10...Bd7 11.Bc6 Bc6 12.0–0 Qe4 13.Rf8 Kf8 14.Qg7 Ke8 15.Nbc3 Qg2 16.Qg2 Bg2 17.Nb5+– (17.Kg2?! Nf6+–)) 11.d3 (11.e5 Nd7 12.Bc6 bc6+–) 11...Bd7 (11...Qb4!? 12.Qb4 Bb4 13.Nd2 Bd7+–) 12.Bc6 Bc6 13.a3 Rd8 (13...a5 14.ba5 Ra5 15.Nd2+–) 14.Qe5 (14.Qa7!? b6 15.Qa6 Ne4 16.de4 Qe4+–) 14...Qe5 15.Be5 Bd6 16.Bd6 Rd6? (16...cd6 17.Nd4+–) 17.0–0 (17.e5 Re6 18.ef6 gf6+–) 17...Ke7?? (17...Ng4 18.Rf3 Ne5 19.Rf5+–) 18.Nd2 (18.e5 Re6 19.ef6 Rf6 20.Rf6 Kf6+–) 18...Rhd8? (18...Rdd8 19.Nf3+–) 19.Nc4 R6d7 20.a4 b6 21.b5 Bb7 22.Ne5 Rd6 23.h3 c5 24.Nc4 R6d7 25.Rf5 g6 26.Re5 Kf7 27.Rf1 Kg7 28.Re6 Nh5 29.g4 Rf7 30.gh5 Rf1 31.Kf1 gh5 32.Re7 (32.Re7 Kf6 33.Rb7+–) 1–0. annamar (1685) – hrnec, internet, 2012.

7.Qe5 Nc6 8.Bb5 Nge7 9.Nf3 (9.Bd4?! a6+/–) 9...a6 10.Qd4 Ke8 11.Qd8 Kd8 12.Bc6 Nc6 13.a3 +–.

7.Qe5 Nc6 8.Bb5 Qf6 9.Bd4 Qe5 10.Be5 Ke6 11.Bc6 Ke5 12.Bd5 Nf6 (12...c6!? 13.Nf3 Kf4+–) 13.Nf3+– Kd6 14.c4 c6 15.c5 (15.e5 Kc7 16.Bf7 Ng4+–) 15...Ke7 16.Bc4 Ne4 17.0–0 Kd8? (17...Bf5 18.d3 Nf6 19.Nc3+–) 18.Nc3 (better is 18.Ne5!? Kc7 19.Nf7 Bc5 20.bc5 Re8+–) 18...Nf6 19.Ne5 Ke8?? (19...Kc7 20.d4+–) 20.d4 (20.Nf7 b5 21.Bb3 Bc5 22.bc5 Rf8 23.Rae1 Kd7+–) 20...b5?? (20...Be7 21.b5 Ng4 22.Nf7+–) 21.cb6 ab6? 22.Rae1 Kd8 23.Nc6 Kc7 24.b5 Bb4 25.Nb4 Bb7 26.Ncd5 Nd5 27.Bd5 Bd5 28.Nd5 Kd6 29.Nb6 Ra2 30.Rd1 Rb8 31.Nc4 Kd5 32.Ne3 Ke4 33.Ng4 Rb5 34.Rfe1 Kf5 35.Ne3 Kg5 36.d5 Kf6 37.d6 Rb8 38.d7 Rd8 39.Rf1 Ke7 40.Nf5 Kf6 41.Nh4 Kg5 42.Nf3 Kf6 43.Rfe1 Ra7 44.Re8 Rdd7 45.Rd7 Rd7 46.h4 h6 47.Kh2 g5 48.hg5 hg5 49.Kg3 Rd3 50.Kf2 g4 51.Ne1 Rc3 52.Re3 Rc4 53.Kg3 Kg5 54.Nd3 Rd4 55.Re5 Kf6+/– 56.Re3 Kg5 57.Nf2 Rc4 58.Ne4 Kf5 59.Nd6 Kf6 60.Nc4 Kf5 61.Nd6 Kf6 62.Re4 Kg5 63.Rg4 Kf6 64.Rf4 Ke5 65.Kg4 Kd6 66.Kg5 Ke5 ½–½. bratek55 (1715) – alf5656, internet, 2011.

7.Qe5 Nc6 8.Qd5 Ke8 9.a3 (9.Bb5 Bb4 10.Bd4 Nge7 11.Bc6 Nc6 12.Bg7 Qd5 13.ed5 Rg8 14.dc6 Rg7+/–) 9...Nf6 (9...Bd6 10.Nf3 (10.Bd4? Nd4 11.Bd3 c6–+) 10...Nf6 11.Qg5+/–) 10.Qd8 Kd8 11.b5 Na5 (11...Ne7 12.e5 (12.Bd4?! Ne4 13.Nf3 Nf5+/–) 12...Ng4 13.Bd4+–) 12.Bd4 (12.e5!? Nd5 13.Bd4 Bf5+–) 12...Ne4+/– 13.Bd3 Nd6 14.Nf3 Be7 (14...Bf5 15.Bf5 Nf5 16.Bc3+/–) 15.Nc3 (15.Bg7!? Re8 16.0–0 Bf5 17.Bf5 Nf5+–) 15...Bf5+/– 16.Bf5 Nf5 17.Ne4 Re8 18.d3 (18.0–0!?+/–) 18...Nd4= 19.Nd4 Bf6 20.c3 c5 (better is 20...Bd4!? 21.cd4 Nb3=) 21.bc6! bc6 (21...Nc6 22.Ne2 Combination; 21...bc6 22.Ne2 Combination) 22.0–0–0 (better is 22.Ne2!?+/–) 22...Bd4= 23.cd4 Nb3 24.Kc2 Nd4 25.Kc3 Nb5 26.Kc4 (better is 26.Kb4!?=) 26...Na3–/+ 27.Kc5 Kc7 28.Ra1 Nb5 29.Rhf1 Re5 30.Kc4 Rd8–+ 31.Rf7 Kb8 32.Rf4? Rd4–+ 33.Kb3 Rd3 34.Kb2 Rd4 35.Re1 Kc7 36.Rf7 Kb6 37.Rg7 Ree4 38.Re4 Re4 39.Kc2 a5 40.Kd3 Rd4 41.Ke3 a4 42.Rh7 a3 43.Rh8 a2 44.Ra8 Na7 45.Ra7 Ka7 46.Kd4 a1Q (46...a1Q 47.Ke4 c5–+) 0–1. orangutandu – hynio101, internet, 2012.

7.Qe5 Qf6 8.Bd4 Qe5 9.Be5 Nc6 10.Bc3 Nf6 11.d3 Bd6 12.Nf3 Ng4? 13.h3 Ne3 14.Kd2 Nf1? 15.Rf1+– Rg8 16.g4 Bb4 17.Bb4 Nb4 18.Nc3 c6 19.a3 Na6 20.Nd4 Kc7 21.Rf7 Bd7 22.Ne6 Kd6 23.Ng7 Raf8 24.Rf8 Rf8 25.Nf5 Ke5 26.Ke3 c5 27.Rg1 Nc7 28.h4 a6 29.a4 b5 30.ab5 ab5 31.Ne2 h5? 32.gh5 Bf5 33.ef5 Rf5 34.Rg5 Ne6 35.Rf5 Kf5 36.Ng3 Kg4 37.Kf2 Kh4 38.h6 Nf8 39.Ne4 c4 40.d4 Kh5 41.Nf6 Kg6 42.Nd5 Kh6 43.c3 Ne6 44.Ke3 Kg6 45.Ke4 Kf7 46.Ke5 b4 47.Nb4 Ke7? 48.Kd5 Kd7 49.Kc4 Nc7 50.Nd5 Ne6 51.Ne3 Kc6 52.d5 Kd6 53.de6 Ke6 54.Kc5 Kd7 55.Nd5 Kc8 56.Kc6 Kb8 57.Nb6 Ka7 58.c4 Ka6 59.c5 Ka7 60.Kc7 Ka6 61.c6 Kb5 62.Nc8 Kc5 63.Kb7 Kd5 64.c7 Ke6 65.Nb6 Ke5 66.c8Q Kd4 67.Qc4 Ke5 68.Kc6 Kf5 69.Qd5 Kf4+– 70.Kc5 Ke3 71.Qd4 Kf3 72.Kd5 Ke2 73.Qc3 Kf2 74.Ke4 Ke2 (74...Kg2 75.Nd5 Kf2 76.Qf6 Ke2 77.Qb2 Ke1 78.Ke3 Kd1 79.Qd2) ½–½. bratek55 (1690) – waldek1995 (1715), internet, 2011.

7.Qe5 Qf6 8.Qd5 Qd6 9.Bd4 Qd5 10.ed5 Nf6 11.c4 Bb4 12.Nf3 Re8 13.Kd1 Ne4 14.Bd3 c5 15.dc6 Nc6 16.Bg7?? Nf2–+ 17.Kc2 Nh1 18.Nc3 Bc3 19.Kc3 Nf2 20.Bh7 Ne4 21.Kc2 Kc7 22.d3? Nc5 23.Bg6?? b6 24.Be8+– Bg4 25.Bc6 Kc6 26.Be5 Re8 27.d4 Bf3 28.gf3 Nd7 29.f4 Rg8 30.Kd3 Rg2 31.f5 Rf2 32.Ke4 Re2 33.Kf3 Rc2 34.f6 Rc4 35.f7 Rc3 36.Ke4 Rh3 37.d5 Kb5 38.Rf1 Rh4 39.Rf4 Rf4 40.Bf4 Kc5 41.Bh6 b5 42.f8Q Nf8 43.Bf8 Kb6 44.Kd4 a6 45.Bc5 Kc7 46.a3 Kd7 47.Ke5 Kd8 48.Bb6 Kd7 49.d6 Kc6 50.Ke6 Kb6 51.Ke7 a5 52.d7 b4 53.d8Q Kb5 54.ab4 ab4 55.h4 b3 56.Qb8 Kc4 57.h5 Kc3 58.h6 b2 59.h7 Kc2 60.Qc7 Kb3 61.Qb6 Ka2 62.h8Q b1Q 63.Qa8 1–0. bratek55 (1640) – papa25 (1635), internet, 2011.

7.Qe5 Nf6 8.Qd4 Ke8 9.Qd8 Kd8 10.Bf6 gf6 11.a3 Nc6 12.Bb5 Nd4 13.Ba4 c6 14.Nf3 Nf3 15.gf3 Be6 16.d4 a5 17.b5 cb5 18.Bb5 Bh6 19.c4 Bh3 20.Kf2 Kc7? 21.Nc3 Bd2 22.Nd5 Kd6 23.c5 Ke6 24.Nc7 Ke7 25.Na8 Ra8 26.Rad1 Bf4 27.d5 h6 28.c6 b6 29.d6! Ke6 30.Bc4 Ke5 31.Rd5 Ke6 32.Rh5 Kd6 33.Rh3 Kc6 34.Rh6! Bh6 35.Bd5 Kc5 36.Ba8 1–0. bratek55 (1670) – agentj23tomek (1640), internet, 2011.

7.Qe5 Nf6 8.Nf3 Bd6 9.Qd4 Qe8?? (9...a6 10.Ne5 Ke7+–) 10.Bb5 Nc6 11.e5 a6 12.Bc6 bc6 13.0–0 Nd5 14.ed6 cd6 (14...Qg8 15.Ne5 Ke8 16.c4 cd6 17.Nc6+–) 15.Qg7 Ne7 16.Qh8 Qh8 17.Bh8 c5 (17...a5 18.Bc3+–) 18.bc5 dc5 19.Ne5 Kd6 20.Nc4 Ke6 21.Rf6 Kd5 22.Nc3 Kc4 23.Rf4 1–0. b4_player – manne, casual, 2013.

7.Nf3 Nc6? 8.b5 Nb4 9.Ne5 Kd6 (9...Ke7 10.Qf7 Kd6 11.Nc4 Kc5 12.Bd4 Qd4 13.Qc7 Nc6 14.bc6 Qe4 15.Ne3 Qh4 16.g3 Qe7 17.cb7 Qc7 18.ba8Q Qb7 19.Qb7 Bb7+–) 10.Nf7 Kd7 11.Nd8 Kd8 12.Qd1 Nf6 (12...Bg4 13.Qg4 Nc2 14.Kd1 Na1 15.Ba1+–) 13.a3 Nbd5 (13...Bg4 14.Qc1 Ne4 15.d3+–) 14.ed5 Nd5 (14...Bc5 15.Bd3 Re8 16.Kf2 Ng4 17.Kf1 Rf8 18.Kg1+–) 15.Bd4 Bd6 16.Be2 Rf8 17.Nc3 Nc3 18.dc3 Bd7 19.Bg7 Rf7 20.Qd4 c5 21.Qd6 Rg7 (21...b6 22.Rf1 Kc8 23.Rf7 a6 24.Qd7 Kb8 25.Be5) 22.Rf1 (22.0–0 Re7 23.Rf8 Re8 24.Bg4 Rf8 25.Qd7) 22...Re7 23.Rf8 Re8 24.0–0–0 Rf8 (24...Kc8 25.Re8 Be8 26.Qd8) 25.Qd7 1–0. pierre – Bob_wins_again, internet, 2011.

7.Nf3 Bd6 8.Ne5 Be5 9.Qe5 Nf6 10.Na3 Nc6 11.Bb5 Ne4 (11...d3+–) 12.0–0 (better is 12.Qd4 Ke8 13.Qe4 Qe7 14.Qe7 Ke7+–) 12...Re8 (12...Nf6 13.Qd4 Ke7 14.Rae1 Kf7 15.Qc4 Kg6+–) 13.Rf7 Re7 (13...Qe7 14.Bc6 bc6 15.Qd4 Nd6 16.Rg7 Qg7 17.Qg7 Re7 18.Qg4 Kd8 19.Qg8 Kd7+–) 14.Qf5 Ke8 (14...Kd6 15.Nc4) 15.Rf8 1–0. michaelbuss – .Mohamed., ChessWorld.net, 2009.

7.Nf3 Nf6 8.Ne5 Kd6 9.Qg5 Ke7+–.

7.Nf3 Nf6 8.Ne5 Ke6?? 9.Bc4 (9.Bc4 Ke7 10.Ng6 Ke8 11.Qe5 Be7 12.Nh8+–) 1–0. pierre – nigew, ChessWorld.net, 2005.

7.Nf3 Nf6 8.Ne5 Ke7 9.Qf7 Kd6 10.Bd4 b6 (10...Be6 11.Nc4 Bc4 12.Bc4 Qe7 13.Bc5 Kd7 14.Be7 Be7+–) 11.Bb5 Qe7 (11...Be6 12.Nc4 Bc4 13.e5) 12.Nc4 1–0. Heini – chessenemy, internet, 2016.

7.Qf5?? Ke8? (better is 7...Kd6 8.Qf3 Nf6=) 8.Qe5+– Ne7 9.Qd4 (9.Bd4 Nd7 10.Qh5 Ng6+–) 9...Bd7 (better is 9...Qd4!? 10.Bd4 Nec6+/–) 10.b5 c6 11.a4 a6 12.Nf3 ab5 13.ab5 Ra1 14.Ba1 cb5 15.Ne5 Nbc6 (15...Qa5 16.Be2 Nec6 17.Bh5 Ke7 18.Qc5 Kd8 19.Nf7 Kc8 20.Qc3+–) 16.Qd7 Qd7 17.Nd7 Kd7 18.Bb5 Ng6 (18...Nc8 19.e5+–) 19.0–0 Bd6 1–0. florenc1330 (1805) – buryszpak (1680), playok.com, 2012.

4.f4 de4

5.Bb5 Bd7 6.Qh5 g6–/+.

5.Bc4 Bf5 6.Qe2 (6.fe5 Nc6 7.g4 Bg6 8.ef6 Nf6+=) 6...Nc6 7.b5 (7.g4 Bg6 (7...Nb4?! 8.gf5 Nc2 9.Kd1 Na1 10.Qe4+=) 8.f5 Nb4 9.Qe4 Bf7 10.Bf7 Kf7–/+) 7...Nd4 8.Qe3?? (better is 8.Bd4 Qd4 9.c3–/+) 8...Nc2–+ (8...Nc2 9.Kf2 Ne3 10.de3 ef4–+) 0–1. Mueske,A – Hohm,Klemens, corr, 1982.

5.Bc4 Nh6 6.fe5 f5 (6...Bg4 7.Be2 fe5 8.Bg4 Qh4 9.g3 Qg4 10.Qg4 Ng4 11.h3–/+) 7.Ne2 (7.a3 Ng4 8.Qe2 Nc6+=) 7...Qe7 (7...Bb4 8.e6 Ng4 9.Nf4–/+) 8.a3+= Ng4 9.Nf4 Ne5 10.Ba2 (10.Qh5!? Kd8 11.Bb3+=) 10...Nf3–/+ 11.Kf2 Qh4 12.g3 Qh6 13.d3 Qb6 (13...Be7!?–/+) 14.Kg2= Qh6 (14...a5 15.de4 fe4 16.Qe2=) 15.de4 fe4 16.Qd5 (16.Qd5 Nh4 17.Kf1=). Pommerel,Wim – Leuschner, CiF, 1988.

5.fe5 Be7 6.Bc4 c6 7.a3 b5 8.Bb3 a5 9.c3 ab4 10.cb4 Nd7?? 11.Bg8+– Rg8 12.ef6?? Nf6=+ 13.Ne2 Bg4 14.h3 Bh5 15.g4 Bg6 16.Qb3 Bf7 17.Qc2 Qd6 18.Nbc3 Bd5 19.Nd5 cd5 20.g5 Nd7 21.0–0–0? Nb6 22.Kb1 Nc4 23.Qb3 Bg5 24.d3 Ne3 25.Rdg1 Bh6 26.Nd4 Rb8 27.de4 Nc4 28.Ka2 de4 29.Nf5 Qd3?? 30.Nh6 Rf8 31.Ng4 Rf3? 32.Qd3 Rd3 33.Ne5 Rd2? 34.Nc4 bc4 35.Rc1 Rc8 36.Rc3 Rd3 37.Rhc1 Rc3 38.Rc3 g6 39.Re3 Kf7 40.Re4 c3 41.Bc1 c2 42.Kb3 Rd8 43.Rc4 1–0. bratek55 – metil (1640), internet, 2011.

5.Qh5 g6–/+ 6.Qe2 ef4 (better is 6...Nc6!? 7.fe5 Bf5–/+ (worse is 7...Ne5 8.Nc3+=)) 7.Qe4+= Qe7 8.Qe7 Be7 9.Nc3 Bf5 10.Nd5 Kd7 11.Ne2 (worse is 11.Ne7 Ne7 (worse is 11...Ke7 12.Ne2+=) 12.0–0–0 Nbc6–/+) 11...g5 (better is 11...Nc6!? 12.a3 Bc2 13.Nef4 Re8=) 12.h4+/– Bc2? (better is 12...gh4 13.Rh4 Nc6+/–) 13.Rc1 Be4 (13...c6 14.Ne7 (14.Rc2?! cd5 15.b5 Bd6+–) 14...Ne7 15.Rc2+–) 14.Nc7 gh4 (14...Nc6 15.Na8 f3 16.gf3 Bf3 17.Rg1+–) 15.Na8 Nc6 (15...Bd6 16.Nc3 Bg6 17.Nb5+–) 16.b5 Nb4 (16...Ne5 17.Rc7 Ke6 18.Nc3+–) 17.Rc7 Kd6 (17...Kd8 18.Nf4 Bd6 19.Ne6 Ke8 20.Rg7+–) 18.Nc3 Bf5 (18...Bg2 19.Bg2 Nd3 20.Kd1 Nb2 21.Kc2+–) 19.Rh4 Nh6 (19...Nc2 20.Kf2 h5+–) 20.Ba3 Ra8 21.Rb7 Ke6 22.Bc4 Ke5 23.Re7 Kd4 24.Rf4 Kc5 (24...Be4 25.Rfe4 Kc5 26.Na4 Kd6 27.Bb4) 25.Na4 Kd6 26.Bb4 1–0. Fritz11 – jumbo, casual, 2013.

5.Bc4 ef4

6.Qh5 g6

7.Qe2 Bb4? 8.Bg8! Rg8 9.Qc4 –+. Grehl.

7.Qe2 e3 8.a3 (8.de3 Bb4 9.c3 Bd6 10.ef4 Qe7 11.Ba3 Bg4 12.Qe7–/+) 8...Qe7 9.de3 fe3 10.Nf3 Be6 11.Be6 Qe6 12.0–0–/+.

7.Qe2 Qe7 8.Nc3+= f3 (8...e3 9.Nd5 ed2 10.Kd2 Qe2 11.Ne2+=) 9.gf3= ef3 10.Nf3 (10.Qe7 Be7 11.Nd5 Bd8 12.Nf3 c6+=) 10...Qe2 (10...Bg4 11.Qe7 Be7 12.Ng5=) 11.Ke2 c6 (11...Bb4 12.Bg8 Bc3 13.Bc3 Rg8 14.Bf6–/+) 12.a3 (12.Ne4 Nd7 13.Nfg5 h6+= (13...Bb4? 14.Nf7+–)) 12...Bg4 (12...Bf5 13.Rhe1+=) 13.Ne4 (13.Rhg1 Bf3 14.Kf3 Nd7=) 13...Nd7 (13...Be7 14.Rhg1 h5 15.Nf2=) 14.h3 (14.Rhg1 Bf5 15.Nfg5 b5=) 14...Bf5+= 15.Neg5 (15.d3 a5+=) 15...Nh6 (15...Bc2 16.Rhc1 Bf5 17.Nf7+/–) 16.Kf2 (16.Nd4 Ne5 (worse is 16...fg5 17.Nf5 Nf5 18.Bh8=) 17.Be6 Be6 18.Nge6 Kf7–/+) 16...0–0–0 (16...Bc2 17.Nd4 Ba4 18.Rae1 Be7 19.Nge6–/+) 17.Ne6 (17.Be6 A) worse is 17...fg5 18.Bf5 gf5 19.Bh8+=; B) 17...Bc2? 18.Bf6 Bd6 19.Bg7+– (19.Bh8?! Rh8 20.d4 Bf4+/–; 19.Bd8?! Kd8 20.Rhc1 Bd3+/–); C) 17...Be6 18.Ne6 Re8+=) 17...Re8 18.Rae1 (18.Nfd4+=) 18...Nb6 (better is 18...Bc2!? 19.Ned4 Re1 20.Re1 Bf5 21.Nf5 Nf5–/+ (21...gf5?! 22.Bd4=)) 19.Bb3= Nd5 (19...Nd7 20.Bc4=) 20.Bd5+= (worse is 20.Nf8 Rhf8 21.Re8 Re8 22.Bd5 cd5+=) 20...cd5 21.Nf4 (21.Bf6 Rg8 22.Nf4 Re1 23.Re1 Bh3+=) 21...Bd6 (21...Bg7 22.Re8 Re8 23.Nd5=) 22.Nd5 Re1 23.Re1 (23.Ke1? Be4 24.Nf6 Bf3–+) 23...Bh3 (23...Rf8!?+=) 24.Rh1+/– (worse is 24.Bf6 Ng4 25.Kg1 Rf8+=; 24.Nf6?! Rf8 25.Nh7 Ng4 26.Ke2 Re8 27.Kd3 Nf2 28.Kd4 Re1 29.Ne1 Bf4+=) 24...Ng4? (better is 24...Be6!? 25.Nf6 Nf5+/–) 25.Kg1+– (25.Kg1 Nh2 26.Nh2+– (26.Rh2?! Bh2 27.Kh2 Bg4+/–)) 1–0. Buczinski,Henryk – Dors,Jan, Siemianowice Slaskie, 1993.

7.Qe2 Bf5 8.Nc3 Bb4 9.Ne4 Be4 10.Bd3–/+ Qe7 11.Be4 Nd7 12.a3–/+.

7.Qe2 Bf5 8.Nc3 Bb4 9.Ne4 Be4 10.Qe4 Qe7 11.Qe7 Ke7 12.Nh3+=.

7.Qe2 Bf5 8.Nc3 Nc6 9.0–0–0 (9.Ne4!? Be4 10.Qe4 Qe7 11.Qe7 Be7 12.b5=) 9...Bb4 10.Ne4 (10.Bg8 Rg8 11.Ne4 Be4 12.Qe4–/+) 10...Be4 (10...Qe7 11.Nf6 Nf6 12.Bf6=) 11.Qe4 Qe7 12.Qf4 0–0–0 13.Nf3 Ba3 14.Rhe1 Bb2 15.Kb2 Qd6 (15...Qb4 16.Ka1+=) 16.Qe3 Nge7 17.Ka1 Nd5 18.Qe6 Qe6 19.Re6 f5 20.Ng5? (better is 20.Bd5 Rd5 21.Kb2–/+) 20...Nc3!–+ 21.Rde1 (21.dc3 Rd1) 21...Rd2 22.Kb2 (22.R6e3 Nd5 (22...Rc2 23.Nf7 f4 24.Be6 Kb8 25.Rc3 Rc3 26.Nh8–+; 22...Rg2?! 23.Nf7 Rf8 24.Rc3–/+) 23.Bd5 Rd5–+) 22...Na4 (22...Rg2?! 23.Nf7 Na4 24.Ka3–+) 23.Kc1 Rg2 24.Nf7 Rf8 25.Bd5 (25.Rf6 Rh2 26.Nd6 Kd7 27.Rf8 Kd6–+ (27...cd6?! 28.Rf7 Kd8 29.Bb5–+)) 25...Rh2 (25...Rf7?! 26.Bg2 Nb4 27.a3 Na2 28.Kd2 Rd7 29.Ke3–/+) 26.Rf6 Kb8 (26...Nb4 27.Bb3 Nc5 28.Nd6 Kd7 29.Rf8 cd6 30.Re3–+) 27.Bc6 bc6 28.Re7 Nc3 29.Rc6 Nd5 (29...Na2?! 30.Kb1 Rc8 31.Ka2–/+) 30.Rd7 Kc8 31.Ne5 Rd8 32.Rf7 Re8 33.Nd3 Re7 34.Rf8 (34.Re7 Ne7 35.Re6 Kd8–+) 34...Kb7 35.Rc5 c6 36.a4 Nb6 37.Rc3 Nd5 (37...Na4?! 38.Ra3 Ree2 39.Ra4 Rc2 40.Kb1–+) 38.Rb3?? (38.Rc5 Rh1 39.Kd2–+) 38...Kc7–+ 0–1. Smolenskiy,Yuriy Andreyevich – Kiviaho,Allan, corr FIN–UKR, 1972.

5.fe5 Bb4

6.Bc4 Nc6 7.Nc3? fe5 (better is 7...Ne5 8.Bg8 Bg4–+) 8.Ne4?? (8.Bg8 Bc3 9.Bc3 Rg8 10.Qh5 g6 11.Qh7 Be6–/+) 8...Nf6 (better is 8...Qh4 9.Nf2 Qc4–+) 9.Nf6–/+ gf6 (better is 9...Qf6!? 10.Qh5 g6–/+) 10.Qh5= Kd7 11.Qf7 (better is 11.c3!? Ba5 12.Ba3=) 11...Qe7–/+ 12.Qd5 Bd6 13.0–0–0 a6 14.Nf3 b5 15.Bb3 Bb7 16.Qd3 Na5 17.Rde1 Nb3 18.ab3 e4 19.Qd4 Qg7 20.Nh4 Rad8 21.Nf5 Qg5 22.Nd6 cd6 23.Qf6 Rhg8 24.Qg5 Rg5 25.Bf6 Rg2 26.Bd8 Kd8 27.Reg1 e3 28.de3+– Re2 29.Re1 Rf2+/– 30.Rhg1 Be4+= Exerts pressure on the backward pawn 31.Rg8 Kc7 32.Rg7 Kc6 33.h4 Rc2 34.Kd1 Rh2 35.Ra7 Kb6 36.Rd7 Kc6 37.Ra7 Bc2 38.Kc1 Bb3 39.Rh7 a5 40.e4 a4 41.e5?? a3–+ 42.Ra7 b4 43.ed6 Kd6 44.Rb7?? Rc2 45.Kb1–/+ Rb2 46.Ka1 Bd5 47.Rb4?? Rb4–+ 48.Rc1 Rb2 49.Rd1 Ra2 50.Kb1 Rh2 51.Kc1 a2 52.Rd5 Kd5 (52...Kd5 53.h5 a1Q#) 0–1. bratek55 – mascarpone123 (1825), internet, 2012.

6.Bc4 Bf5 7.Nh3? (7.Qh5 g6 8.Qe2 Nc6=) 7...e3 (better is 7...Nc6!? 8.a3 Bc5–/+) 8.0–0= Qd7 9.c3 (9.Qh5 Bg6 10.Qe2 Bd2+=) 9...Be7 (9...Bf8 10.ef6 Nf6+= (worse is 10...gf6 11.Qh5 Bg6 12.Qe2+=)) 10.d4 (10.Qb3 A) 10...fe5 11.Qb7 (11.Bg8?! Bh3 12.gh3 e2+/–) 11...ed2 12.Nd2 (12.Qa8?! d1Q 13.Qb8 Qd8 14.Qd8 Qd8 15.Rf5 Bc5 16.Kh1 Qd1 17.Rf1 Qc2+/–) 12...Qd2 13.Rf5+–; B) 10...ed2 11.Bg8 Bh3 12.gh3+=; C) 10...Bh3 11.gh3 ed2 (11...fe5 12.Qb7 e2 13.Be2+–) 12.Bg8 Bc5 13.Kh1 Be3+–) 10...fe5 (10...Bh3!? 11.gh3 Qh3–/+) 11.Qf3 Bh3 12.gh3 (12.Qb7 Bg2 13.Bf7 Kf8 14.Qg2= (14.Kg2 e2 15.Rc1 Nc6–+)) 12...Qc6+= 13.Bf7 (13.Qf7 Kd8 14.Bd5 Qb5 15.Qg7 e2+= (15...Qb2 16.Qh8 c6 17.Qg8 Kc7 18.Bc4+/–; 15...Qd5?! 16.Ba3 Kd7 17.de5+=)) 13...Kd8–/+ 14.Qe3 Nh6 (14...ed4 15.cd4 Nf6 16.Nc3–/+) 15.Bh5 (15.Qe5 Nf7 16.Qg7 Ng5 17.Qh8 Kd7+=) 15...Nd7 16.Nd2 (16.de5?? Bc5 17.Bc1 Qb6 18.Qc5 Qc5 19.Kh1 Ne5–+) 16...Nf6 (16...ed4!? 17.cd4 Nf6–/+) 17.Bf3 (17.Qe5 Nh5 18.Qh5 Qe6+=) 17...Qe6 (17...ed4 18.Qe7 Ke7 19.Bc6 bc6 20.Rae1 Kd7 21.cd4+=) 18.de5 (18.Qe5 Qh3 19.Bb7 Nhg4=) 18...Nd7+= 19.Nb3 (19.Bb7? Rb8 20.c4 Rb7–+) 19...Qh3?? (better is 19...c6+=) 20.Rad1+/– Qe6 21.Bb7 Rb8 22.Qa7 Ke8 23.Rd7! Rb7 (23...Qd7 24.Qb8 Remove defender; 23...Kd7 24.Nc5 Deflection (24.Qd4 Decoy)) 24.Re7! (24.Qb7?! Qd7 25.Nd4 Rf8 26.Rf8 Kf8 27.Qa8 Qe8 28.Ne6 Kf7 29.Qe8 Ke8 30.Nc7 Kd7+–) 24...Ke7 (24...Qe7 25.Qa8 Double attack (25.Qa8 Decoy; 25.Qb7 Zwischenzug); 24...Ke7 25.Qa3 Decoy (25.Qb7 Zwischenzug)) 25.Qb7 (better is 25.Ba3 c5 26.Bc5 Kd8 27.Qb7 Qg4 28.Kh1+–) 25...Qe5 (25...Qb6 26.Qb6 cb6+–) 26.Ba3 (26.Ba3 Kd7 27.Nc5 Kd8 28.Qb8 Ke7 29.Nd3 Ke6 30.Qb3 Qd5 31.Re1 Kf5 32.Qd5 Kg4 33.Re4 Kh3 34.Nf2) 1–0. Durka,Jan (2100) – Gruber,Milos (1975), Tatranske Zruby SVK, 2006.

6.ef6? gf6?! 7.Qh5 Kf8 8.a3=.

6.ef6? Nf6–/+ 7.Bc4 Bg4 8.Ne2 e3 9.c3 Ne4 10.0–0 (10.cb4? Qh4 11.g3 Ng3 12.Qa4 Bd7–+) 10...Bc5 (10...Nd6!? 11.Qa4 Nc6=) 11.d4= Bd6 12.Qd3 Qh4?? (better is 12...Nf6+=) 13.Qe4+– Kd8 14.g3 Qg5 (14...Qh3 15.Qb7 (worse is 15.Qe3 Qh5 16.Nf4 Bf4 17.Qf4 Be2 18.Be2 Qe2 19.Qg5 Kc8+–) 15...Be2 16.Be2 Bg3 17.hg3 Qg3 18.Qg2 Qg2 19.Kg2+–) 15.Qb7 Be2 16.Be2 h5 (16...Bg3 17.Qa8 c6+–) 17.Qa8 c6 18.Kg2 (better is 18.Rf7 h4 19.g4 Ke8+–) 18...h4 19.g4 h3 20.Kh1 Rh4 (20...Qd5 21.Rf3 Rf8+–) 21.Rf8! Ke7 (21...Bf8 22.Qb8) 22.Rf5 (22.Rb8?? Qd5 23.Bf3 Qf3 24.Kg1 Rg4) 22...Qg6 23.Qb7 Nd7 24.Qb3 (24.Qc6 Rg4 25.Bg4 Qg4+–) 24...Nf6 (24...Rg4 25.Qf7! (25.Bg4 Qg4 26.Qf7 Kd8 27.Qg7 Qg7 28.Rf8 Nf8 29.c4 Qg2) 25...Kd8 26.Qg6 (26.Bg4 Qg4 27.Qg7 Qg7 28.Rf8 Nf8 29.c4 Qg2) 26...Rg6 27.Bf3+–) 25.Qc2 (25.Ba3 Rg4 26.Bd6 Kd6 27.Qb8 Kd7 28.Qa7 Kd8 29.Qb6 Kd7 30.Qb7 Kd8 31.Bg4 Qg4 32.Qb8 Kd7+–) 25...Kd8 (25...Ng4 26.Bc4 Rh5 27.Qe4 Be5 28.Ba3 Kd7 29.Rf7 Qf7 30.Qg4 (30.de5 Nf2 31.Kg1 Ne4 32.e6 Qe6 33.Be6 Ke6–+) 30...Qf5 31.Be2+–) 26.Na3 Qe8 (26...Rg4 27.Bg4 Qg4 28.Rg1 Qe4 29.Qe4 Ne4 30.Rg7+–) 27.Rf6! gf6 28.Qf5 1–0. Lehtinen,Aimo – Jungeblut,Hans, corr ICCF EU–ch02, 1969.

6.Qh5!? g6 7.Qh4 f5 8.Qd8 Kd8 +–.

6.Qh5!? Kf8

7.a3+= Be7 8.Bc4 g6 9.Qe2 fe5 10.Nc3=.

7.Bc4= Qe7 8.a3 Bc5 9.Ne2 Nd7 10.Rf1 Ne5?? (better is 10...a6=) 11.Qe5 (11.Be5 Bg4 12.Qg4 Qe5+–) 11...Bd6 12.Qe7 (12.Qe7 Ke7 13.Nbc3+–) 1–0. Grehl,Siegfried – Schroeder, corr DDR–ch M, 1989.

7.Bc4 Qe8 8.Qe2 Nc6 9.Qe4 Ne5 10.Bb3–/+.

7.Bc4 Qe8=+ 8.Qe2 f5=.

7.Bc4 Qe8+= 8.Qh4 Qc6 9.Bb3 Be7= 10.Ne2 f5 11.Qg3 Qg6 12.0–0 (12.Qg6 hg6 13.Nbc3 Ke8=) 12...Bc5 13.Kh1 Ne7 (13...Ke8 14.Qc3 b6 15.e6=) 14.d4 ed3 15.Qd3 Nbc6 16.Nf4 Qe8 17.Nd2 Bb6 (17...a5 18.Ne4 Bb6 19.Nf6 gf6 20.ef6+–) 18.Ne4 (18.Rae1 Na5+=) 18...h6 (better is 18...Qd8!? 19.Qc4 Qe8+=) 19.Nf6!+/– (19.Nf6 gf6 20.ef6+–) 1–0. Mehlhorn,Uwe – Scholl,M, BdF, 2000.

7.Bc4 Qe8+= 8.Qh4 Qc6 9.Bg8 Rg8 (worse is 9...Kg8 10.ef6 Bf8 11.Qg3+/–; 9...Qc2 10.ef6 Rg8 11.fg7 Ke8 12.Qh5 Ke7 13.Qg5 Kf7 14.Qf6 Ke8 15.Qe5 Kf7 16.Nh3 Bd2 17.Nd2+–) 10.ef6 gf6 11.Qh7 Rg2 12.Qh8 Rg8 13.Qf6 Qf6 14.Bf6 Bc5+=.

5.fe5 fe5

6.Bc4?? e3?? 7.de3?? Qh4–+ 8.g3 Qc4 9.Qh5 Qf7 10.Qe5 Be6 11.a3 Nf6 12.h3 Bd6 13.Qb5 Nbd7 14.Ne2 0–0 15.Rf1 b6 16.Nd2 a6 17.Qc6 Ne5 18.Be5 Be5 19.Rd1 Bd5 20.Rf6 gf6 21.Qa8 Ba8 22.Nf4 Bf4 23.gf4 Qh5 24.Kf2 Qd1 25.Nf3 Qf3 26.Ke1 Qe3 (26...Qe3 27.Kf1 Re8 28.c4 Qe1; 26...Rd8 27.e4 Rd1) 0–1. bratek55 (1690) – bali63 (1755), internet, 2011.

6.Qh5 Kd7 7.b5 Bd6 8.Nc3 Nf6 9.Qg5 Ke6? (better is 9...Qe7=) 10.Qg7+– Nh5?? (better is 10...Qf8 11.Bc4 Kf5+–) 11.Bc4 Kf5 12.g4 Kf4 13.Nd5 1–0. pierre – TALWYN, ChessWorld.net, 2005.

6.Qh5 Kd7 7.Qe5 Qe7 8.Bc4 Qe5 9.Be5 Nf6 10.Ne2 Bd6 11.Bd6 cd6 12.0–0 d5 13.Bb3 Nc6 14.a3 a6 15.c4 d4 16.Nf4 b6 17.a4? Bb7 18.b5 Ne5 19.Na3 a5 20.Rac1 g5 21.Ne2 Rhf8 22.Nd4 Nd3 23.Rcd1 Ng4 24.h3 Nge5 25.Nac2 Nb2 26.Rde1 Ned3 27.Re3 Rf1 28.Kf1 Nd1 29.Re2 Rf8 30.Kg1 Nf4 31.Re1 Nb2 32.Ne3 Nbd3 33.Rf1 Ne2?? 34.Kh2 Rf1–+ 35.Nf1? h5 36.Ne3 h4 37.Bd1 Nef4 38.g3 hg3 39.Kg3 Ne6? 40.Ne6?? Ke6+/– 41.Kg4 Kf6 42.Kg3 Nb2 43.Bb3 Bc8? 44.Nd5+– Kg6?? 45.Nb6 Bb7 46.c5 Nd3 47.c6 Nc5 48.cb7 Nb7 49.Bd5 Nc5 50.Nc4 Na4 51.Be4 Kf6 52.Na5 Nc5 53.d3 Ke5 54.b6 Nd7 55.b7 Nb8 56.Kg4 Kd6 57.Kg5 Ke7 58.h4 Kd8 59.h5 Kc7 60.h6 Nd7 61.h7 Ne5 62.Kf6 Ng4 63.Kg7 Ne5 64.h8Q Nd7 65.Qc8 Kd6 (65...Kd6 66.Nc4 Ke7 67.Bf5 Nb8 68.Qf8; 65...Kb6 66.Nc4 Kb5 67.b8R Nb8 68.Qb8 Kc5 69.Qb6) 1–0. bratek55 (1655) – mmih1 (1640), internet, 2011.

6.Qh5 Kd7 7.Qe5 Qe7 8.Qd4 Ke8 9.b5 Nf6 10.Nc3 Exerts pressure on the isolated pawn 10...Qd6 (10...Qc5 11.Nge2+=) 11.Qe3+/– c6 (better is 11...Qb6!? 12.Qg3 Nbd7+/–) 12.0–0–0 g6?? (better is 12...Bf5 13.Nf3 a6+–) 13.Ne4 Ne4 14.Qe4 (14.Bh8?! Qa3 15.Qa3 Ba3 16.Bb2 Bb2 17.Kb2 Nf2 18.Re1 Kd8+/–) 14...Qe7 (14...Be7 15.Bh8 Bf5 16.Qa4+–) 15.Re1 Qe4 (15...Bf5 16.Qe7 Be7 17.Bh8+–) 16.Re4 Be7 (16...Kd8 17.Bh8 cb5 18.Bb5+–) 17.Bh8 Nd7 (17...Bf5 18.Re3 Kd8 19.Nf3+–) 18.Nf3 c5 (18...Kd8 19.bc6 bc6 20.Bb2+–) 19.Bd3 b6 (19...Kd8+–) 20.Rhe1 Bb7 21.Re7 Kd8 22.Rh7 Bf3 (22...Kc7 23.Be5 Kc8 24.Bg6 Bd5 25.Bf4 Nf6 26.Bf5 Be6 27.Re6 Kd8 28.Rh8 Ng8 29.Rg8 Kd7 30.Re1) 23.gf3 Nf8 (23...Rc8 24.Bg6 Rc6 25.Re8 Kc7 26.Be5 Rd6 27.Bf5 Kb7 28.Bd6 a6 29.Rd7) 24.Bf6 Kc8 25.Re8 1–0. Lavendel – Cocher, internet free game, 2018.

6.Qh5 Kd7 7.Qe5 Qe7 8.Qg3 Nc6 9.a3 Nf6+/–.

6.Qh5 Kd7 7.Qe5 Qf6 8.Qf6 Nf6= 9.Bc4 Bb4 10.Ne2 Nc6 11.0–0 Ke7 12.Nbc3 Be6 13.Bb5 Bc5 14.Kh1 Nd4 15.Nd4 Bd4–/+ 16.Ba3 c5 17.Rae1 a6 18.Ba4 b5 19.Ne4=+ Ne4 20.Re4 Rad8?? 21.c3?? ba4+/– 22.cd4 Rhf8?? 23.Rfe1 Rf6+/– 24.Bc5 Kf7 25.h3 Bd5 26.Re7 Kg6 27.R7e3 Rd7 28.Rg3 Kf7 29.Kh2 h5 30.h4 Kg8 31.Rg5 Rdf7?? 32.Rd5 1–0. bratek55 (1725) – hugr (1640), internet, 2011.

6.Qh5 Kd7 7.Qf5 Ke8 8.Qe4 Nd7+=.

6.Qh5 g6?? 7.Qe5+– Qe7 8.Qh8 Be6 9.Qe5+–.

6.Qh5 g6?? 7.Qe5+– Qe7 8.Qh8 Nh6 9.Nc3 Qb4 (9...Be6 10.Qe5+– (worse is 10.Ne4 Bd5 11.d3 Be4 12.de4 Qe4 13.Ne2 Qh4 14.g3 Qb4 15.Bc3 Qe4+–)) 10.Nd5 Qa5 (10...Qd6 11.Nf6 Ke7 12.Qh7 Kd8 13.Qg6 Qc6 14.Qe4 Bf5 15.Qd5 Bd6+–) 11.Qe5 Kd8 12.Qg5 Be7 13.Qe7 1–0. pierre – anesu, ChessWorld.net, 2005.

6.Qh5 g6?? 7.Qe5+– Ne7 8.Qh8 Nf5 (8...Bf5 9.Bc4+–) 9.Nc3 (9.Qh7 Qd6 10.Nc3 e3+–) 9...Qe7 (9...Nc6 10.Qh7 Qf6 11.0–0–0+–) 10.Nd5 Qd6 (10...Qf7 11.Bc4 Be6 12.Nf6 Ke7 13.Be6 Qe6 14.g4+–) 11.Nf6 Kf7 (11...Ke7 12.Qh7 Kd8 13.Qg6 Bd7+–) 12.Qh7 Ke6 (12...Ng7 13.Qg8 Ke7 14.Nd5 Ke8 15.Bg7 Nd7+–) 13.Bc4 (13.Bc4 Qd5 14.Qg8 Ke7 15.Nd5 Kd7 16.Nf6 Kd6 17.Qd5 Ke7 18.Qf7 Kd6 19.Ne8 Kc6 20.Qc7) 1–0. Janek – Silvmoon, internet, 2017.

5.fe5 f5

6.a3 A) 6...f4 7.Qe2 (7.Qh5 g6 8.Qe2 Qh4 9.Qf2 Qf2 10.Kf2 Bg7=) 7...Qh4 8.Qf2 Qf2 9.Kf2 Be7 10.Nc3 Bf5+/–; B) 6...a5 7.b5 f4 8.Bc4 Qh4 9.Kf1 Bc5 10.Qe1 Qg4=.

6.b5 f4 7.Bc4 Qh4 (7...Bc5 8.d4 ed3 9.Nf3 dc2 10.Bf7 Ke7=) 8.Kf1 f3 9.d4 fg2 10.Kg2 Qg5+=.

6.Bc3 A) 6...f4 7.Qh5 (7.Bb5 c6 8.Bc4 b5 9.Bg8 Qh4 10.Kf1 Rg8–/+) 7...g6 8.Qe2 Qh4 9.Qf2 Qf2 10.Kf2 Bg7+=; B) 6...Nc6 B1) 7.b5 Nd4 8.Bc4 Bc5 9.Qh5 g6 10.Qd1 f4–/+; B2) 7.Bb5 Nge7 (7...Qd5 8.Na3 a6 9.Ba4 b5 10.Bb3 Qd8+=) 8.Qh5 g6 9.Qh3 a6 10.e6 Rg8–/+; B3) 7.a3 Qh4 8.g3 Qe7 9.Bb5 Bd7 10.Qh5 g6+=.

6.Bc4 Bb4 7.Qh5 g6 8.Qe2 Ne7 9.Nc3 c6 10.0–0–0 Qa5 11.h4 b5 12.Bb3 Nd7 13.h5? Ba3–+ 14.hg6 Ng6 15.e6 Nc5 16.d4? Nb3 17.cb3 Be6 18.d5 cd5 19.Nd5 Rc8 20.Kb1 Bb2 21.Qb2 Bd5 22.Ne2 Be6 23.Nf4 Kf7?? 24.Ne6?? Ke6–+ 25.Qg7 Rc7 26.Qd4 Qc3 27.Qd5 Kf6 28.Rc1 Qd3 29.Qd3 Rc1 30.Kc1 ed3 31.Kd2 Nf4 32.Rh6 Kg5 33.Ra6 Ra8 34.g3 Nh5 35.Kd3 Ng3 36.Rd6 a6 37.Ke3 h5 38.Kf3 h4 0–1. bratek55 (1655) – akttiv, internet, 2011.

6.Bc4 Nc6 7.a3 e3 8.de3?? Qh4–+ 9.g3 Qc4 10.Ne2 Be6 11.Nd2 Qd5 12.Nf4?? Qh1 13.Ke2 Qd1 14.Rd1 Bd7 15.e6 Bc8 16.c4 Nf6 17.b5 Ne7 18.h3 Ng6 19.Be5 Ne5 20.c5 Bc5 21.Nb3 Ba3 22.Nd4 0–0 23.Nf5 Bd6! 24.g4 Nc4 25.Nd6 Nd6 26.g5 Nfe4 27.e7 Rf4! 28.ef4 Be6 29.Rc1 Rc8 30.h4 Kf7 31.Ke3 Ke7 32.Kd4 b6 33.Ke5 Nc5 34.f5 Bf5 35.Kd5 Be4 36.Kd4 Nb5 37.Kc4 Rd8 38.Kb5–+ c6 39.Kc4 Bd3 40.Kc3 Na4 41.Kb3 Nc5 42.Kc3 a5 43.Re1 Kd6 44.h5 b5 45.Re3 b4 46.Kb2 a4 47.g6 hg6 48.hg6 a3 (48...a3 49.Ka2 Bc4 50.Kb1 a2 51.Kc2 Rf8 52.Re6 Ke6 53.Kd1 a1Q 54.Kd2 Qc3 55.Kd1 Rf1) 0–1. bratek55 (1685) – bali63 (1760), internet, 2011.

6.Bc4 Nc6 7.a3 Nge7 8.Qh5 Ng6 (better is 8...g6!? 9.Qd1 Bg7+=) 9.Ne2+= Qh4 10.Qh4 Nh4 11.0–0 Ng6 12.Bb5 Bd7 13.Bc6 Bc6 14.Nf4 (better is 14.Rf5!? a5 15.e6 ab4 16.Nd4 ba3 17.Na3+/– (worse is 17.Nc6 bc6 18.Na3 Ke7=)) 14...Nf4= 15.Rf4 g6 16.c4 a6 17.d4 (17.e6!? Rg8 18.Nc3–/+) 17...ed3–/+ 18.Nd2 (18.Rd4!? Be4 19.Nc3–/+) 18...Bh6–+ 19.Rh4? (19.Rf2 Be3 20.Re1 Bf2 21.Kf2–+) 19...Bd2 20.Rd1 Be3 21.Kf1 d2 22.g4 (22.Ke2 f4 23.Bc3 0–0–0 24.Rd2 Bd2 25.Bd2 g5–+) 22...f4 (better is 22...Bf3 23.Rd2 Bd2 24.gf5–+) 23.Ke2 0–0–0 24.g5 Be4 25.e6 Bd3 26.Kf3 Rhe8 27.Rh7 (27.Bc3 Re6 28.Rh7 Be4 29.Kg4 Rd3 30.Rh8 Kd7 31.Rh7 Kc6 32.b5 ab5 33.cb5 Kb6–+) 27...Re6 (27...Bc2 28.Rd2 Rd2 29.Rc7 Kb8 30.Rb7 Kb7 31.Bd4 Rf2 32.Kg4 Bf5 33.Kh4 Rh2#) 28.Bf6 Rde8 29.b5 Bc4 30.ba6 ba6 31.Rg7 Bd5 32.Kg4 f3 33.Rg6 f2 34.Bd4 Rg6 35.Be3 Re3 36.h4 Bf3 37.Kf5 Bd1 38.Kg6 f1Q 39.h5 Bc2 40.Kh6 Re6 41.g6 Qf4 42.Kh7 Bg6! 43.hg6 Qf5 (43...Qf5 44.Kg7 Qg6 45.Kf8 Re8#; 43...Qh4 44.Kg8 Rg6 45.Kf7 Qf6 46.Ke8 Rg8#) 0–1. bratek55 – mascarpone123 (1810), internet, 2012.

6.Bc4 Nc6 7.Ne2 Nb4 (7...Qh4 8.g3 Qe7 9.Bb5+=) 8.0–0+= Nh6 9.d4 ed3 10.cd3 (10.cd3 Ng4 Decoy; 10.Bd3 Bc5 Pinning) 10...Ng4 11.Qb3 Nh6 (11...Qh4 12.Bf7 Kd8–+) 12.d4= Qg5 (12...Rb8 13.Bc1 Qh4 14.Nbc3+=) 13.Bc1 Qh5 14.Nf4 Qg4 (14...Qh4 15.a3 Nc6 16.Bb5+/–) 15.Nc3 Bd7 (better is 15...a6+/–) 16.Be2+– Qh4 17.g3 Qe7 18.Ncd5 Nd5 19.Nd5 (19.Qd5?! c6 20.Qb3 Bc8=) 19...Qd8 (19...Be6 20.Nc7! Qc7 21.Qe6 Kd8+–) 20.Nf6 gf6 (20...Qf6 21.ef6 gf6 22.Qb7 Rc8+–) 21.Bh5 Ke7 22.Ba3 (22.Ba3 c5 23.Bc5) 1–0. Janek – Tempoh, internet, 2017.

6.Bc4 Ne7 7.Ne2 (7.a3 Nbc6=) 7...Nd7 (7...Ng6!?+=) 8.0–0 (8.Nf4 Nb6 9.Bb3 Ng6=) 8...Nb6 (8...a5 9.ba5 Ra5 10.e6=) 9.Bb3 Ng6 (9...Ned5 10.a3 c5 11.c4+=) 10.Ng3 (10.e6 c5 11.bc5 Bc5 12.Kh1 Qh4+/–) 10...Bb4 11.Nf5 Bf8? (better is 11...Bf5 12.Rf5 Rf8+=) 12.Qg4+– Bf5?? (better is 12...Nd5+–) 13.Bf7!! (13.Qf5 Bc5 14.Kh1 Qd7 15.Qe4 0–0–0+/–; 13.Rf5 Bc5 14.Kh1 Qh4 15.Qh4 Nh4+/–) 13...Kf7 (13...Kd7 14.Qf5 Kc6 15.Qe4 Kd7 16.Qg4 Kc6 17.Qf3 Nd5+–) 14.Qf5 Kg8 15.Qe6 (15.Qf7) 1–0. guestfrdc – guesthcwe, internet free game, 2018.

6.Bc4 Qh4 7.g3 Qh6 (7...Qe7 8.a3 Nc6 9.Bb5+=) 8.a3= Be6 9.Be6 Qe6 10.Ne2 Nc6 11.Nf4 Qf7?? (11...Qh6 12.b5 Nce7 13.Qh5 Qh5 14.Nh5=) 12.0–0?? (better is 12.e6 Qe7 13.Qh5 Kd8 14.Qf5+–) 12...0–0–0= 13.d4 Ne5!–/+ 14.Qe2 Nf3–+ 15.Rf3 ef3 16.Qf3 g5 17.Ng2 Bg7 18.c3 Qb3 19.Qf5 Kb8 20.Bc1? h6 21.Qd3?? Bd4! 22.Be3 Bf6 23.Qe2 Rd1 24.Ne1 Rb1 25.Rb1 Qb1 26.Bd4 Qg6 27.Nd3 Bd4 28.cd4 b6 29.Ne5 Qe6 30.Qe4 Ne7 31.b5 Re8 32.a4 h5 33.a5 ba5 34.h3 a4 35.g4 hg4 36.hg4 a3 37.d5 Nd5 38.Nc6 Qc6! 39.bc6 Re4 (39...Re4 40.Kg2 a2 41.Kf3 Re3 42.Kf2 a1Q 43.Kg2 Nf4 44.Kf2 Qe1#) 0–1. orangutandu – bo1gaj, internet, 2012.

6.Nh3 Bb4 7.Nf4 Ne7 8.Bc4 Nbc6 9.0–0? (better is 9.Nh5!? Kf8 10.Rf1+= e3+=) 9...Bc5–+ 10.d4 (10.Kh1 Bd4 11.Nc3 Be5–+) 10...ed3 11.Kh1 Bd4 12.c3 Be5 13.Nd3 Ng6 14.Qe2 Qh4 15.Ne5 Nce5 (worse is 15...Nge5 16.Bd5 Kd8 17.c4–/+) 16.Bb3 Bd7 17.Qe3 (17.c4 0–0–0 18.Be5 Rhe8–/+) 17...b6 (17...f4!? 18.Qg1–+) 18.c4–/+ 0–0–0?? (better is 18...Qf6–/+) 19.Be5+/– Rhe8 20.Qf3 Kb8 21.Bg3 Qg5 22.Nc3 Nh4 (better is 22...Ne5!? 23.Qe2 Ng4+–) 23.Qf2 Ng6 24.Nd5 Ne5 (24...f4 25.Nf4 Rf8+–) 25.Bh4 (25.Bh4 Qg4 26.Bd8 Rd8 27.Rad1+–) 1–0. Strukov,VI – Petrov, corr, 1976.

6.Nh3 Bb4 7.Nf4 Ne7 8.Bc4 g6 9.0–0 Bc5 10.d4 ed3 11.Kh1 Bd4 12.Nc3 Nbc6 13.Qd3 Ne5 14.Qe2 c5 (14...a6!?–/+) 15.Rad1+= Nc4 16.Qc4 a6 17.Nce2 b5 18.Qb3 Rf8 19.Nd4 cd4 20.Bd4 Bb7 21.Bg7 Qc8 22.Bf8 Kf8 23.Ne6 Ke8 24.Rd6 Qc4 25.Qc4 bc4 26.Nc7 Kf7 27.Na8 Ba8 28.Ra6 Be4 29.Rb1 h5 30.Rb4 Bc2 31.Rb7 (31.Rc4?! Bd3 32.Rca4 Ba6 33.Ra6 Nd5+–) 31...Be4 32.Rc7 c3 33.Raa7 Kf6 34.Re7 c2 35.Rec7 Ke5 36.Rc5 Kd6 37.Rac7 f4 38.a4 h4 (38...g5 39.Rc2 h4 40.a5+–) 39.Rc2 h3 40.Rc1 hg2 41.Kg1 g5 42.a5 1–0. orane (2185) – VICBAD (2625), Live Game Caissa's Web, 2004.

6.Nh3 Bb4 7.Nf4 Qg5 8.Qh5 Qh5 9.Nh5 Bf8 10.e6 Ne7+=.

6.Nh3 Bb4 7.Nf4 Qh4 8.g3 Qh6 9.Qh5 Qh5 10.Nh5 Bf8+=.

5.fe5 Bf5

6.Bc4 Nd7 7.Ne2 Ne5 8.Be5 fe5 9.0–0 Qg5 10.Ng3 Bg6 11.Bd5 Nf6 12.Bb7= Rb8 13.Bc6 Kf7 14.b5 Bc5 15.Kh1 Rhd8 16.Qe2 e3?? 17.Qc4+– Kf8 18.Qc5 Kg8 19.de3 Qh4 20.Nc3 Ng4 21.Qc4 Kh8–+ 22.Qg4 Qg4 23.Nd5 Rf8 24.Nc7 h5 25.Bf3 Qd7 26.Nd5? h4 27.Ne2 e4 28.Nef4 Bh7 29.Bh5 Rb5?? 30.c4? Rb2 31.Rad1? Qa4 (31...Qa4 32.Ng6 Bg6 33.Rf8 Kh7 34.Bg6 Kg6–+) 0–1. bratek55 (1695) – kotwielki, internet, 2011.

6.Bc4 fe5 7.Be5 (7.Bg8 Qg5 8.Qe2 Rg8 9.Be5 Nc6–/+) 7...Nf6 (7...Bb4?? 8.Bg7 Qg5 9.Bh8 Qg2 10.Qh5 Bg6 11.Qh3 Qh1 12.Qc8 Ke7 13.Qe6 Kd8 14.Qg8 Ke7 15.Qe6 Kf8 16.Qc8 Ke7 17.Qe6 Kf8 18.Qc8 Ke7 19.Qe6+–) 8.Ne2 Nc6 9.Bc3 Bb4 10.0–0 Bc3 11.Nbc3 Qe7?? (11...Bg4 12.Qb1 Rb8 13.d3–/+) 12.Kh1?? (12.Rf5!? 0–0–0+–) 12...0–0–0?? (12...Qc5 13.Bb5 Bg4 14.Rf6 gf6 15.Ne4–/+) 13.Ng3?? (better is 13.Rf5 Qd7 14.Ng3 Qd2 15.Be6 Kb8 16.Qd2 Rd2 17.Nce4 Ne4 18.Ne4+/–) 13...Bg6–/+ 14.Rb1 Rhf8 15.Qe2 Ne5 16.Bb3–/+ Nc6 17.Qb5 Nd4–/+ 18.Qa5 Kb8 19.Nce2 Ne2–+ 20.Ne2 Qd6 21.Rfd1?? Ng4 22.Ng3 Nf2 23.Kg1 Nd1 24.Rd1 Qd4 25.Kh1 e3 26.d3 Rde8 27.Ne2 Qb6 (27...Qb6 28.Qb6 cb6–+) 0–1. bratek55 (1730) – 1slepice1, internet, 2012.

4.f4 Be6

5.ed5 Bd5 6.c4 Bf7 7.Qf3 Nc6 (7...Bb4? 8.Qb7 Nd7 9.Qb4+–) 8.b5 Nd4 9.Qb7 Rb8 10.Qa7 Nc2 11.Kd1 (11.Kf2 ef4 (11...Na1?! 12.Ba1 ef4 13.Nh3–/+) 12.Nh3 Na1 13.Ba1 Ra8–/+) 11...Na1–+ 12.Nc3 1–0. Pietrzak,Janusz – Drewniak,J, corr Poland, 1990.

5.f5 Bf7 6.b5 (6.ed5 Qd5 (6...Nh6 7.Bb5 Nd7 8.Qf3 a6 9.Ba4 Bb4+=; 6...Bd5 7.Qh5 Bf7 8.Qf3 Nc6 9.a3 a5+=; 6...Ne7 7.Qg4 Qd7 8.Nc3 Qf5 9.Qf5 Nf5+=; 6...Nd7 7.Bc4 Nh6 8.Qf3 Bb4 9.c3 Be7+=) 7.Nc3 Qd7 8.a3 Qf5 9.Bd3 Qd7–/+) 6...Nd7 (6...de4 7.Qg4 Nh6 8.Qe4 Bd5 9.Qd3 c6+=) 7.d4 (7.Nc3 de4 8.Ne4 Nb6 9.a4 Qd7+=) 7...Bb4 (7...de4 8.Qg4 e3 9.Nf3 ed4+=) 8.c3 Ba5 (8...Bd6 9.ed5 Nh6+=) 9.Nd2 (better is 9.ed5!? Bd5= (9...Ne7 10.Qa4+=); 9.Qg4 g6+=) 9...ed4–/+ 10.Qc2 Ne7 11.Ngf3 (11.cd4!? de4 12.Qe4–/+) 11...dc3–+ 12.Bc3 Bc3 13.Qc3 de4 14.Ne4 Nf5 15.Be2 Qe7 16.Nfd2 Nb6 17.0–0 Nh4 (17...Nd5 18.Qf3 Nfe3 19.Rfc1–+) 18.Bc4 (better is 18.Rae1!? 0–0 19.Bg4–/+) 18...Nc4–+ 19.Nc4 0–0 (19...Qe4? 20.Rae1 Qe1 21.Qe1 (21.Re1?! Kf8+–) 21...Kf8 22.Qh4+–) 20.Rae1 f5 21.Ned2 Qc5 22.Kh1 Bd5 23.Re2 (23.Rg1–+) 23...Rae8 (23...Qb5?! 24.Qd4 Rae8 25.Re8 Bg2 26.Kg1 Qe8 27.Qh4 Bf1 28.Kf1–+) 24.Ref2 Re1! (24...Re1 25.Qg3 Rf1 (25...Bc4?! 26.Re1 Ng6 27.Nc4 Qc4 28.Qb3 Qb3 29.ab3+=) 26.Nf1 Qc4–+; 24...Qb5?! 25.Ne3 Ba2 26.Qa1–+) 0–1. Zimin – Zavgorodniy, corr Soviet Union, 1967.

5.ed5 Qd5

6.fe5 Bb4 A) 7.Qh5 Kd8 A1) 8.Be2 Qe4 (8...Qc6 9.Bc3 Qc5 10.Bb4=) 9.ef6 Qc2–/+ 10.fg7–/+; A2) 8.Qe2 Nc6 9.a3 Be7 10.Nf3+=; B) 7.Nf3 Nc6 8.a3 Ba5 9.Qe2 0–0–0 10.Nc3+=; C) 7.a3 Be7 8.Qf3 fe5 9.Qd5 Bd5 10.Be5=.

6.fe5 Nc6 7.Nf3 (7.ef6!? Nf6 8.b5=) 7...Bb4+= (worse is 7...Ne5 8.Ne5 fe5 9.Qh5 Kd7 10.Qe5+=) 8.Nc3 Qd7 9.a3 Ba5 10.Ne4 Qd5 11.Bd3 fe5 12.Nfg5 Bb6 13.Rf1 Nh6 14.Ne6 Qe6 15.Qh5 Kd8 16.Ng5 Qe8 17.Qh4 Qe7 18.Ne6 (18.Bh7? Rh7 19.Nf7 Kd7–+ (19...Nf7 20.Qh7 Bd4 21.c3+=)) 18...Kd7 19.Qe7 Ke7 20.Ng7 (20.Ng5!?=) 20...Rhg8+= 21.Nf5 Nf5 22.Rf5 Rg2 23.0–0–0 (23.Be4 Rh2 24.Bc6 bc6 25.Be5 Ke6 26.Bh2 Kf5–/+) 23...Rag8 (23...Rh2 24.Be5 Ne5 25.Re5 Kd6 26.Re2 Re2 27.Be2–/+) 24.Rh5 R8g7 25.Bh7 R2g5 (better is 25...Bd4!?+=) 26.Rg5+= Rg5 27.Be4 Rh5 28.Rh1 Kd6 29.Kd1 Rh4 30.d3 Nd8 31.Bc1 c6 32.Bg5 Rh3 33.Bf5 Rh8 34.h4 Ne6 35.Bd2 Nd4 36.Be4 Ke6 37.h5 Nf5 38.Rh3 Bc5 39.a4 Bf8 40.Ke2 Bh6 41.Be1 Nd4 42.Kd1 Bf4 43.c3 Nf5 44.a5 Nd6 45.Bf3 Nf7 46.Rh4 Ng5 47.Bg4 Kf6 48.Bf2 Rd8 49.Kc2 e4 50.Be2 (50.Ba7 ed3 51.Kd1 Ne4–+) 50...ed3 51.Bd3 Be5 52.Rb4 (52.Ba7 Nf3 53.Rh1 Bc7+–) 52...Rd7 53.Bh4 (better is 53.Ba7!? Nf3 54.Bf2+–) 53...Rd5 54.h6 (54.h6 Rd3 55.Kd3+–) 1–0. Labahn,Wolfgang – Schreiber, Neustadt, 1988.

4.f4 ef4

5.Nc3 de4–/+ 6.Ne4 Qe7 (6...Bb4 7.Qh5 g6 8.Qe2–/+) 7.Qe2 Bf5 (7...Nc6 8.a3–/+) 8.Nc5 (better is 8.Qb5!? Bd7 9.Qb7 Qb4 10.Qb4 (worse is 10.Qa8 Qb2 11.Rd1 Bc6 12.Qa7 Be4–/+) 10...Bb4 11.a3=) 8...Qe2 (8...a5 9.a3–/+) 9.Ne2 Nd7 (9...Nc6!? 10.a3 Bc5 11.bc5 0–0–0+=) 10.Nd4+= Nc5 (10...Bc5 11.Nf5 Bf8 12.a3+=) 11.Nf5 Nd7 12.a3 g6 (12...a5 13.Nd4 ab4 14.Ne6=) 13.Nd4= 0–0–0 (13...a5 14.Ne6 Bd6 15.Bc4+=) 14.0–0–0 Re8 15.Bc4 Ne5 16.Bb3 Nh6 (16...Kd7 17.Rhf1=) 17.h3 (17.Ne6 Bd6=) 17...c5 (17...Kd7 18.Rhe1=) 18.bc5 Bc5 19.Ne6 Bb6 (19...Bd6 20.Nf4 Nd7 21.Rhf1+=) 20.Nf4+/– Nf5 (20...Nd7 21.Nd5 Re2 22.Nb6 ab6 23.g4+/–) 21.Be6 Kb8 22.Bf5 gf5 23.Nd5 (23.Rhe1 Rhg8+/–) 23...Bd8 24.Rhf1 Rhg8 25.Ne3 (25.Rf2 Rg3+/–) 25...Bb6+= 26.Rf5 (26.d4 Nc6 27.Nf5 Rg2+=) 26...Be3= 27.de3 Rg2 (27...Nc4 A) worse is 28.Bf6 Ne3 29.Re5 Nd1 30.Kd1 Re5 (30...Rg2?? 31.Re8 Kc7 32.Re7 Kc6 33.Rh7+–) 31.Be5 Kc8–/+; B) 28.Rf6 Rg2 29.Rf7+=) 28.Be5 Re5 29.Re5 (29.Rf6 Re3 30.Rd7 a5+=) 29...fe5= 30.Rd5 Rh2 31.Re5 The passed pawn on e3 will become decisive later 31...Rh3 32.Re7 Rh2 33.Kb2 h5 34.Kc3 Rh1 (34...h4 35.Rh7=) 35.Rh7 h4 36.Kd3 (36.e4 h3=) 36...Ra1 (36...h3 37.e4=) 37.e4 (37.Rh4 Ra3 38.Kd4 Ra4 39.c4 b5=) 37...Ra3 38.c3 b5 39.Kd4 Ra4 40.Kd5 (40.Ke3 Rc4 41.Kd3 Rc7 42.Rh4 Rd7 43.Ke3 Kc7=) 40...Rc4+= 41.Rh4 (41.e5 Rc3 42.e6 Rd3 43.Kc6 Rc3 44.Kb5 Re3=) 41...Rc3 42.e5 a5 43.e6 (better is 43.Kd6=) 43...Re3 (better is 43...Kc7!?+=) 44.Kd6+= Rd3 45.Kc6 Rc3 (45...Kc8 46.Kb5 Re3 47.Ka5=) 46.Kb6 (46.Kb5 Re3+=) 46...Rc8 47.e7 The mate threat is Rd4 47...Rg8 48.Rd4 (48.Kb5?! Kc7=) 48...Kc8 49.Kc6 (49.Kb5?! Re8=; 49.Ka5?! Re8=) 49...a4 50.Rd6 (50.Kb5?! Kc7=) 50...Re8 (50...Rh8 51.Rf6 (51.Kb5?! Re8=) 51...Rd8 52.Rf8 Kb8 53.ed8Q Ka7 54.Qb6) 51.Rf6 (51.Rf6 Kb8 52.Rf8 Ka7 53.Re8 a3 54.Ra8 Ka8 55.Kb6 a2 56.e8Q; 51.Kb5?! Re7 52.Ka4 Kc7=) 1–0. Valles,A – Sebastian,MA, ARAEQ2 op Spain, 1997.

5.Nh3 Bb4?! 6.Nf4 Ne7 7.Nd5 Nd5 8.Qh5 g6 9.Qd5 Qd5 10.ed5+=.

5.Nh3 Bd6 6.Qh5 g6 7.Qd5 c6 8.Qb3 (8.Qd3 Qe7=) 8...Qe7+= 9.Bc4 Bh3 (9...Qe4 10.Kf2 Nh6 11.Re1 Ng4 12.Kf1 Nh2 13.Kf2 Ng4 14.Kf1 Nh2 15.Kf2 Ng4 16.Kf1 Nh2=) 10.0–0 (10.Qh3 Nd7 11.0–0 Bb4 (worse is 11...Qe4 12.Na3 0–0–0 13.Rae1+/–) 12.Bg8 Rg8 13.Rf4 Rf8=) 10...Bg4 (10...Bg2 11.Kg2 Qe4 12.Rf3–/+) 11.Bg8= Nd7 (11...Na6 12.a3=) 12.h3 0–0–0 13.Bc4 h5?? (better is 13...Bh5 14.d3 Rhe8=) 14.hg4+– hg4 15.Be6 g3 (15...Qh7 16.Bf6 Qh2 17.Kf2–/+) 16.Re1 (16.d3 Rh2 17.a3 Qh7–+) 16...f3 (better is 16...Bb4!? 17.Bh3 Qd6+=) 17.Bd7+– (17.gf3 Rh1!? 18.Kg2 Rh2 19.Kg1 Qh7 20.Bd7 Kb8 21.f4 Rh1 22.Kg2 Qh2 23.Kf3 Qf2 24.Kg4 Qf4) 17...Rd7 Do you see the mate threat? 18.Qf3 (18.gf3 Rh1!? 19.Kg2 Rh2 20.Kf1 Qh7 21.Qg8 Qg8 22.Re3 Rf2 23.Ke1 Rh7 24.Kd1 Rh1 25.Re1 Re1 26.Ke1 Qh7 27.Bf6 Qh1) 18...Be5 19.c3?? (19.Be5 Qe5 20.Nc3 Rd2+/–) 19...c5?? (19...Rh4 20.d4 Qh7–+) 20.d4 (20.Qe3 Qh7 21.Kf1 (21.Qc5?? Rc7 22.Qc7 Bc7–+) 21...Qh1 22.Qg1 Qg1 23.Kg1 cb4 24.a3 bc3 25.Bc3+/– (25.dc3 Bf4 26.Kf1 Re7–+)) 20...cd4+/– 21.cd4 Rd4 (21...Qb4 22.Qc3 Qc3 23.Bc3 Rd4+/–) 22.Na3?? (22.Bc3 f5 23.Nd2 Qh4=) 22...Rd2?? (22...Qh7 23.Kf1 Rd2 24.Rec1 Kd7 25.Qg4 f5–+) 23.Rac1?? (23.Qg4 Kb8 24.Be5 Qe5 25.Nc4+= (25.Qg6?? Qd4 26.Re3 Qe3 27.Kf1 Rh1)) 23...Kd8= The mate threat is Rh1 24.Be5?? (24.Qg4 Qh7 25.Qc8 Ke7 26.Rc7 Bc7 27.Qc7 Ke6 28.Qh7 Rh7 29.Bc3–/+) 24...Rh1!? (24...Rh1 25.Kh1 Qh7 26.Qh5 Qh5 27.Kg1 Qh2 28.Kf1 Qg2) 0–1. Marciniak – Filipowicz,Andrzej, Poland, 1963.

5.Nh3 Bh3 6.Qh5 g6 7.Qh3 Qd7 (worse is 7...de4 8.Qe6 Be7 9.Qe4=; 7...Bb4?! 8.Qb3 Qe7 9.a3 Qe4 10.Kd1=) 8.Qd7 Nd7 9.ed5 Nb6 10.Bb5 Kf7 11.0–0 Nd5 (11...a6 12.Bd3 Bb4 13.Rf4 Bd6+= (worse is 13...Nd5 14.Bc4 Nge7 15.Rf6 Ke8 16.Ra6 Bc5 17.Kh1 ba6 18.Bh8+=)) 12.Bc4= c6 13.Rf4 Bb4?? (13...Bd6 14.Rd4 Be5 15.Rd5 cd5 16.Bd5 Kf8=) 14.Nc3?? (better is 14.Bd5 cd5 15.Rb4+–) 14...Bc3+= 15.Bc3 b5 16.Bb3 a5 17.Raf1 Kg7 18.Bd5 cd5 19.Bf6 Nf6 20.Rf6 Rhf8 21.Rf8 Rf8 22.Rf8 Kf8 23.Kf2 Ke7 24.Ke3 Kd6 25.Kd4 h6 26.g4 h5 27.g5 h4 28.a3 h3 29.c3 Ke6 30.Kc5 Kf5 31.Kd5 Kg5? 32.Ke5 Kh4?? 33.d4 g5 34.d5 g4 35.Kf4 g3 36.hg3 Kh5 37.Kf3 Kg6 38.g4 Kf6 39.d6 Ke6 40.g5 Kd6 41.Kg3 h2 42.Kh2 Ke5 43.Kg3 Kf5 44.Kf3 Kg5 45.Ke4 Kf6 46.Kd5 (46.Kd5 Ke7 47.Kc6+–) 1–0. florenc1330 (1815) – buryszak (1730), internet, 2012.

5.Qh5 Ke7 6.ed5= g6 7.Qf3 Kf7 8.Bc4 b5? (8...Bb4 9.Ne2+=) 9.Bb3 (better is 9.d6!? bc4 10.Qa8+–) 9...Kg7+/– 10.Qf4 Bd6 11.Qf3 Ne7?? (11...Nh6!? 12.Nc3 Re8 13.Nge2 Bg4=) 12.Nc3 (12.Qf6 Kh6 13.Qh4#) 12...Be5 13.0–0–0 Bb7 14.Nge2 a5 15.ba5 b4 16.Ne4 Bb2 17.Kb2 Nd5? 18.Qd3?? Ra5–/+ 19.Rhf1 Ba6 20.Qf3 Rf8 21.d3 Qe7 22.Nd4?? Qe5–+ 23.Qf2 f5 24.Nd2?? c5?? 25.Bd5+= b3?? 26.Bb3 cd4 27.Nc4?? Bc4+= 28.dc4 The isolani on d4 becomes a target 28...d3 29.c3 Rd8? 30.Rfe1?? Qf6 31.Qb6?? Qb6–+ 32.Re7 Kh6 33.Re3 Re5 34.Rh3 Kg7 35.Rdd3 Kf6 36.Rd8 Re6 (36...Re6 37.Rd2 Rd6–+) 0–1. bratek55 (1670) – ema3cs, internet, 2012.

5.ed5 Qd5

6.a3 Bd6 7.Nf3 Ne7 (7...a5 8.b5+=) 8.c4 Qe4 9.Be2 0–0?? (better is 9...c6=) 10.c5+– Be5 11.d4 Nbc6 12.de5 fe5 (12...Ne5 13.Qb3 Kh8 14.Nbd2 Nf3 15.Qf3 Qf3 16.Bf3+–) 13.Qd3 (13.b5 Nd8+–) 13...Qd3 14.Bd3 Nf5 15.Nbd2 Ne3 16.Kf2 Ng4 17.Ke2 Re8 18.h3 Ne3 19.Kf2 h6? 20.Rhe1 g5 21.Ne4 Kf7 22.Re3 fe3 23.Ke3 Bf5 24.Neg5! hg5 25.Bf5 Kf6 26.Be4 Nd4 27.Nd4 ed4 28.Bd4 Kf7 29.Rf1 Kg8 30.Rf5 Re6 31.Rg5 Kf7 32.Kd3 c6 33.Rg7 Kf8 34.Rb7 Rd8 35.Ra7 Re5 36.Bc6 Rf5 37.Bf3 Rf4 38.Be4 Rf1 39.Bf3 Rb1 40.Kc4 Rc1 41.Kd3 Rb1 42.c6 Rb3 43.Kc4 Rb1 44.Bc5 Kg8 45.Rd7 Rc1 46.Kb5 Rb8 47.Bb6 1–0. orangutandu – milorad007, internet, 2012.

6.Qe2!? Kd8 7.a3+=.

6.Qe2 Qe6 7.a3 Be7 8.c4 (8.Nf3 Bd6+=) 8...Bd7 (8...a5 9.b5–/+) 9.d4+= Nh6 10.Nc3 c6 11.Nf3 0–0 12.d5 Qe2 13.Be2 Bg4 (13...Nf5!?=) 14.h3 Bh5 15.Kf2 (15.c5 Nf5+=) 15...Nd7 (15...Rd8 16.Bc1 g5 17.Re1=) 16.c5 cd5 (16...Nc5!? 17.bc5 Bc5 18.Ke1 Rfe8=) 17.Nd5+/– Bd8 18.Rhe1 Bf7 19.Bc4 Bd5? (better is 19...Nf5!? 20.Kg1 Ne3 21.Ne3 fe3+/–) 20.Bd5+– Kh8 21.Bb7 Rb8 22.c6 Bb6 23.Bd4 Bd4 24.Nd4 Ne5 25.Rad1 Nhf7 (25...Rfe8 26.Nf3+–) 26.Ne6 Rfe8 27.Nc5 (better is 27.Nf4 Re7 28.Re2+–) 27...Nd8?? (27...Re7 28.Re4 Rd8 29.Rd8 Nd8 30.b5+–) 28.b5 (better is 28.c7 Nb7 29.cb8R (29.cb8N?! Nc5 30.bc5 Rb8+–) 29...Rb8 30.Nb7+–) 28...Nb7 29.Nb7 a6?? 30.a4 ab5 31.ab5 Nc4?? 32.Re8 Re8 33.Rd4 Na3 34.b6 Nb5 35.Rd8 (35.Rd8 Rd8 36.Nd8+–) 1–0. orangutandu – naslov1, internet, 2012.

6.Nf3 Bb4–+ 7.Nc3 Bc3 8.dc3–/+.

6.Nf3 Bb4–+ 7.c4 Qd7 8.a3 Be7 9.Nc3 Nh6 10.Nd5 0–0 11.Nf4 Bd6 12.Nd5 c6 13.Ne3 Ng4 14.Ng4 Qg4 15.Be2 (15.d4 Re8 16.Kf2 c5–/+) 15...Qh5 (better is 15...Qg2!? 16.Rg1 Qh3–+) 16.Kf2 Bg4 17.Qb3 Qf7 18.d4 c5 19.d5 Nd7 20.h3 Bf3 21.Qf3 Rae8 22.Rhe1 Ne5 23.Qb3 Re7 24.Bf3 Nf3 25.Qf3 Rfe8 26.Re7 Qe7 27.Bc3 (27.Rb1!?–/+) 27...Qe4–+ 28.Re1 Qf3 (better is 28...Qc2 29.Kf1 Re1 30.Ke1 Qb3–+) 29.Kf3+= Re1 30.Be1 Be5 31.g4 Kf7 32.Ke4 Ke7 33.Bf2 Kd6 34.h4 g6 35.h5 b6 36.hg6 hg6 37.a4 Kd7 38.Be3 Bd6 39.Bd2 Be5 40.Be3 Bd6 41.Bd2 ½–½. Walter,Gerhard (2000) – Hohler,Peter (2205), Liechtenstein Seniors op, 2009.

6.Nf3 Qe4 7.Qe2 Qe2 8.Be2 Bb4 9.Nc3 (9.a3 Bc5–/+) 9...Bc3 (9...Ne7!?–/+) 10.Bc3+= Bg4 (10...Nc6!?+=) 11.Rb1= Bf3 (11...Ne7!?=) 12.Bf3+= Nc6 13.Rb7 0–0–0?? (better is 13...Kd7+=) 14.Bc6+– Ne7 (14...Rd6 15.Be4 Re6 16.Rb4+–) 15.Bf3 Rhe8 (15...Nd5 16.Bd5 Rhe8 17.Kf2 Rd5 18.Ra7+–) 16.0–0 Nd5 (16...Kd7 17.Ra7 Nc8 18.Ra6+–) 17.Ra7 Nc3 (17...Nb6+–) 18.Bc6 Ne2 19.Kf2 Re6 (19...Rd2 20.Ra8) 20.Ra8 1–0. ggo7801 – lwn3516, internet private game online, 2018.

5.Nh3 Qd6

6.ed5 Qb4 7.Qe2 Ne7–/+.

6.Qh5 g6 7.Qd5 Qd5 8.ed5 Bh3 9.gh3 Bb4 10.Bc4 Nd7 11.0–0 Bd6 12.Nc3 Be5 13.Rab1 (13.Rae1 0–0–0–/+) 13...0–0–0 (13...Nb6 14.Bb3–+) 14.Nb5 Nb6 15.Na7 (15.Bb3 Bb2 (15...Nd5 16.Be5 Kb8 17.Bd4+–) 16.Rb2 a6–+ (16...Nd5? 17.Na7 Kb8 18.Nc6 bc6 19.Bd5 Kc8 20.Be6 Rd7 21.Rf4+–)) 15...Kb8 16.d4 (better is 16.Be5 fe5 17.Rb6 cb6 18.Nb5–+) 16...Bd6 17.Nb5 (17.Bb3 Ka7 18.c4–+) 17...Nc4 18.Bc1 Ne7 (18...g5 19.Nd6 Nd6 20.Rb4–+) 19.Nd6 Nd6 20.Bf4 Nd5 (20...Nd5 21.Bd6 Rd6–+) 0–1. Vaassen,Jack – Yarmolyuk,Yury, SH–2007–0–00139, 2007.

6.Qh5 g6 7.Qd5 Qd5 8.ed5 Bh3 9.gh3 Bb4 10.Bc4 Nd7 11.c3 Bd6 12.Bb3 (12.0–0 Nb6 13.Bb3 a5–+) 12...0–0–0 (12...Ne7 13.0–0–+) 13.d4 (13.0–0 Ne7–+) 13...Re8 14.Kf2 Nh6 (14...f5 15.c4–+) 15.Nd2 (15.Na3 a6–+) 15...Nf5 (15...Re3 16.Nc4 Rh3 17.Kg2–+) 16.c4 (16.Nc4 Ne3–+) 16...Bb4 17.Nf3 Re7 18.Rac1 (18.Bc2 Ne3 19.Bd3 Nb6–+) 18...Rhe8 19.Rc2 (19.Rb1 Re2 20.Kf1 Nc5 21.dc5 Bc5–+) 19...Ne3 (19...Nc5 20.Rb1 Ne3 21.dc5 Nc2 22.Bc2 Re2 23.Kf1 Rc2 24.c6 bc6 25.Bf6–+) 20.Rcc1 Nd5! 21.cd5 (21.Rc2 Ne3 22.Rcc1 Nf5–+) 21...Re2 Theme: Double Attack 22.Kf1 Rb2 23.Rc2 Rc2 24.Bc2 Nb6 (24...Nb6 25.Bb3 Kd7–+) 0–1. Gorecki,Marek – Bitman,Marek, corr Poland, 1983.

5.Qh5 g6

6.Qd5 Bd6 7.Bc4 Qe7 8.Ne2 c6 (8...Nd7 9.0–0=) 9.Qd3+= Nd7 10.0–0 (10.Qb3 Nh6=) 10...Ne5 11.Be5 Be5 (11...fe5!? 12.a3 Bg4=) 12.c3+= g5 13.Qf3 (13.Qc2 Be6 14.Be6 Qe6+=) 13...h5 14.d4 Bg4 15.Qf2 Bc7 16.Nd2 Nh6 (16...0–0–0 17.Rad1+=) 17.a4 (17.b5 cb5 18.Bb5 Kd8+/–) 17...Nf7 (17...0–0–0 18.b5+=) 18.Rae1 (18.b5 Nd6 19.Bd3 Ba5+=) 18...0–0–0 (18...Nd6 19.Bd3+=) 19.Nc1 (19.b5 c5+=) 19...Ne5 20.Ncb3 (20.Bb3 Bd7 21.Nc4 Nc4 22.Bc4 h4=) 20...Nc4 21.Nc4 Qf7 (21...f3 22.Ne3=) 22.Nbd2 (22.Ncd2 h4 23.h3 Be6+=) 22...h4 23.a5? (23.h3 Be6 24.Nb2–/+) 23...h3–/+ 24.g3 fg3 (24...Be6 25.Nb2 fg3 26.Qf6 gh2 27.Kh1–+) 25.hg3? (better is 25.Qf6!? gh2 26.Kh1–/+) 25...h2–+ 26.Kh1 Bh3 27.e5? (better is 27.Ne3 Bf1 28.Nef1–+) 27...Qd5 28.Qf3 (28.Re4 f5 29.Ne3–+) 28...Be6 (better is 28...Bf1 29.Rf1 fe5 30.Qd5 Rd5 (30...cd5?! 31.Ne5 Be5 32.de5–+) 31.de5 Be5–+) 29.Ne3–/+ Qf3 30.Nf3 g4 31.Nh2 (31.ef6 gf3 32.Rf3 Rh3–+) 31...fe5 32.Rf6 ed4 33.cd4? (better is 33.Re6 Bg3 34.Neg4 Be1 35.Re1 dc3 36.Rc1–/+) 33...Bg3–+ (33...Bg3 34.Re2 Rde8–+) 0–1. Roczniak,Jan – Kulesz,B, Poland (year?).

6.Qd5 Bd6 7.Bc4 Ne7 8.Qf7 Kd7 9.Be6 Kc6 10.Bc8 Qc8 11.Qf6 Nd7? (11...Re8 12.Qc3 Kd7+–) 12.Qc3 (12.Qh8?! Qh8 13.Bh8 Rh8+–) 12...Kb6 13.Qd4 (13.Qh8?! Qh8 14.Bh8 Rh8+–) 13...c5 (13...Ka6 14.Qd3 (14.Qh8?! Qh8 15.Bh8 Rh8+–) 14...b5 15.a4+–) 14.Qd6 Qc6 15.bc5 Nc5 16.Qc6 Nc6 17.Bh8 Rh8 18.Nc3 Nd4 (18...Kc7 19.Nf3 Re8 20.0–0–0 Ne4 21.Rde1+–) 19.Rb1 Kc7 (19...Kc6 20.Nf3 Rd8 21.Ne5 Kc7 22.Nd5 Rd5 23.ed5 Nc2 24.Kd1+–) 20.Nf3 Nc2 21.Ke2 Rd8 (21...Na3 22.Rbc1 Kd6 23.e5 Ke6 24.Nb1+–) 22.Rhc1 Na3 23.Nb5 Nb5 (23...Kb8 24.Na3 Ne4 25.Rc4+–) 24.Rc5 (24.Rc5 Kb8 25.Rcb5+–) 1–0. pierre – the little rascal, ChessWorld.net, 2005.

6.Qd5 Nd7 7.Nh3= Bd6 8.Bb5 Qe7 9.Bd7 Bd7 (9...Qd7 10.0–0 Be5 11.Qd7 Bd7+/–) 10.Qb7+= Rd8 (10...Qd8 11.Ng5 Rb8 12.Qd5+=) 11.Nc3 (better is 11.Nf2+/–) 11...Be5? (better is 11...f3 12.Nf2 fg2+=) 12.Nd5+– Qe6 13.d4 Bd6 (13...f3 14.de5 fg2 15.Nc7 Ke7 16.0–0–0 Qh3 17.Rhe1 fe5 18.Nd5 Kf7 19.Qc7+–) 14.e5 (14.Ndf4 Qc4 15.d5 Qe4 16.Kf1 Bf4 17.Nf4 Qf4 18.Kg1 Qe3 19.Kf1 Ne7–+) 14...fe5 (14...Bc8 15.Qb5 (15.Nhf4?! Bb7 16.Ne6 Bd5 17.Nd8 Bb4 18.c3 Ba5+/–) 15...Bd7 16.Nhf4+–) 15.de5 (15.Nc7?! Bc7 16.Qc7 ed4 17.Kd1 Qg4 18.Kc1 Qe2 19.Bd4 Bh3 20.Qe5 Qe5 21.Be5 Bg2+=) 15...Be5 16.0–0 Kf7 (16...Ne7 17.Be5 Qd5 18.Qd5 Nd5 19.Bh8 Bh3 20.gh3 g5+–) 17.Ng5 (17.Ng5 Kf8 18.Ne6 Be6 19.Be5 Rd5 20.Rf4 Ke8 21.Qc6 Bd7 22.Qa8 Ke7 23.Qf8 Ke6 24.Qf7 Ke5 25.Re1 Kd6 26.Rf6 Nf6 27.Qf6 Be6 28.Qe6) 1–0. Janek – AxelG, internet, 2017.

6.Qd5 f5 7.Qe5 Qe7 8.Qh8 Nf6 (8...Qe4 9.Ne2 f3 10.gf3 Qh4 11.Kd1 Ne7+–) 9.Bf6 Qe4 10.Kf2 Qc6 (10...Qb4 11.Nf3 Nc6 12.Nc3 Qc5 13.d4 Qc3 14.Re1 Qe3 15.Re3 fe3 16.Ke3+–) 11.Nc3 Nd7 12.Re1 Kf7 13.Re7! Be7 A deflection 14.Qg7 A classical mating theme (14.Qg7 Ke8 15.Qe7) 1–0. pierre – 12 bore, ChessWorld.net, 2005.

6.Qh4 de4 7.Qf4 Bf5 8.Nc3–/+.

6.Qh4 Qe7 7.Qf4 (7.Nc3 d4 8.Nb5 Qe4 9.Kf2 Qc2 10.Qf4 Na6 11.Re1 Kf7–/+) 7...Qe4 (7...Bh6!? 8.Qf2 Qb4 9.Qd4 Qd4 10.Bd4 de4 11.Bc4–+) 8.Ne2 (8.Qe4 de4 9.Nc3 Bf5+=) 8...Bd6 (better is 8...Qb4 9.Qc7 Na6–/+) 9.Qf2? (9.Qe4!? de4 10.Nbc3+=) 9...Kf7 (better is 9...Nc6!? 10.Kd1 Nb4 11.Nd4–+) 10.Kd1–/+ Qe7 (10...Qb4 11.Ba3 Qb5 12.Nbc3–/+) 11.a3 (11.Nbc3 c6–/+ (worse is 11...Bb4 12.Nd5 Qd6 13.Nb4 Qb4 14.Rb1=)) 11...a5 (11...Kg7 12.Nbc3 c6 13.Nd4–/+) 12.b5 (12.Nbc3 c6–/+) 12...Nd7 (12...Nh6 13.Nbc3 c6 14.Nf4–/+) 13.h3 (13.Nbc3 Nb6–/+) 13...c5 (13...Kg7 14.g4–/+) 14.Nbc3 (14.g4 Kg7–/+) 14...Nb6 (14...d4 15.Nd5 Qd8 16.g4–/+) 15.Nf4+= Be6 16.g3 (16.Be2 Kg7+=) 16...d4–/+ 17.Ne4 Bc4 (17...Bf4 18.Qf4 Kg7 19.Bg2–/+) 18.Bg2 (18.Nd6 Qd6 19.Qf3 Bd5 20.Nd5 Nd5+=) 18...Rb8 (18...Be5 19.Rb1–/+) 19.d3 (19.Re1 Be5+=) 19...Bb5 20.Rb1 Bc6 21.Ng5 Ke8 (21...fg5 22.Nd5 A double attack) 22.Bd4 cd4 23.Rb6 Qc7 24.Re1 Ne7 (24...Be5 25.Qd4 Ne7 26.Bc6 bc6 27.Rb8 Qb8 28.Qc5=) 25.Qd4+= Bg2?? (better is 25...Be5 26.Bc6 bc6 27.Rb8 Qb8=) 26.Nfe6 (better is 26.Rd6 Rc8 27.c4 Rg8+–) 26...Qb6 27.Qb6 Ba3?? (27...Nc6 28.Nc5 Be7+–) 28.Nc5 (28.Nc5 fg5 29.Qd6 Bf3 30.Kd2 Kf7 31.Re7 Kf8 32.Rb7 Ke8 33.Qb8) 1–0. Finenko – Maksimenko,Andrei, Soviet Union, 1987.

6.Qd5 Qd5

7.ed5 Bb4=+.

7.ed5 c6 8.Ne2 Bb4 (worse is 8...cd5 9.Nf4 Bb4 10.Nd5+/–) 9.Nbc3 Bd6 10.Ne4 Be5 11.d4 Bc7 12.d6 Ba5 13.c3 Bf5 14.Nd2 g5 15.g3 Nd7 16.gf4 0–0–0 17.Nc4 Bb6 18.Ng3 Be6 19.fg5 fg5 20.Bd3 Ngf6 21.0–0 Nd5 22.Rfe1 Rde8 23.Nf5 Nf4 24.Ne7 Kb8 25.Bc1 Nd3 26.Re6 Nc1 27.Rc1 Rhf8 28.Kg2 Bd8 29.Rce1 Be7? (better is 29...Ka8+/–) 30.de7+– (30.de7 Rh8 31.Nd6+–; 30.Re7?! Rd8+–) 1–0. b4_player – blue, internet, 2013.

7.ed5 Bd6 8.a3 Be5 9.d4 Bd6 10.c4 b6 11.c5 Be7 12.Bb5 Bd7 13.c6 Bf5 14.Ne2 g5 15.Nd2 Bd6 16.Nc4 Ne7 17.Nd6 cd6 18.c7 Nd7 19.Nc3?? (19.Rc1 Be4 20.Kf2 Bd5+–) 19...0–0?? (19...a6 20.Be2=) 20.0–0 (20.Ba6 Rac8 21.Nb5 Bd3 22.Bc8 Rc8 23.Nd6 Rc7+–) 20...a6 (better is 20...Rac8 21.Rae1 Rf7+=) 21.Bc4?? (better is 21.Rfe1 Kf7 22.Bd7 Bd7 23.Re7 Ke7 24.Re1 Kf7 25.Ne4+–) 21...Rfc8–/+ 22.Rfe1 Kf8 23.g3 fg3 24.hg3 Rc7 25.Bb3 b5 26.Rf1 Kg7?? 27.Rae1= Nb6 28.Re3? Ng6?? 29.Rfe1?? Kf7 30.Kg2 Re7 31.Re7 Ne7 32.Kf3 Re8 33.g4 Bd7 34.Ne4 Rc8?? 35.Nd6+– Kf8 36.Nc8 Bc8 37.d6 Ng6 38.d5 Nf4?? 39.Bf6 Nd3 40.Be7 Kg7 41.Re3 Nf4 42.Bd8 Nbd5 43.Bd5 Nd5 44.Re8 Bd7 (44...Bd7 45.Re5 Nf6 46.Rg5 Kf7+–). bratek55 (1645) – 1slepice1 (1635), internet, 2012.

7.ed5 Bd6 8.Bc3 (8.a3 Bf5+=) 8...Kf7 (8...Bf5 9.Na3+=) 9.Bd3 (9.Bc4 Bf5 10.d3 Nh6=) 9...Ne7 10.Bc4 Re8 (10...Nd7 11.Ne2+=) 11.Ne2 (11.Kf2 Nd7 12.d3 Nb6–/+) 11...Bg4+= 12.0–0 (better is 12.Rf1+=) 12...Nd7 (better is 12...Be2 13.Be2 Nd5–/+) 13.Nf4+= Nf5 (13...Nb6 14.Bb3+=) 14.Bb5 Rad8? (better is 14...Ne7+=) 15.Ne6+– a6 16.Nd8 Rd8 17.Bd3 (17.Bd7 Rd7 18.h3 Be2+–) 17...Ne7 18.h3 (18.Bc4 Re8+–) 18...Bf5+/– 19.Bf5 gf5 (19...Nf5 20.Na3+/–) 20.a3 Be5 (20...Nb6 21.Kf2+–) 21.d4 Bg3 22.Bd2 Nd5 23.Rf5 N7b6 24.Rf3 Bd6 (24...Rg8 25.Nc3+–) 25.Nc3 Nc3 26.Rc3 (26.Bc3 Nd5+–) 26...Nd5 (26...Re8 27.Rf1+–) 27.Rf3 Rg8 (27...b5 28.Re1+–) 28.c4 Ne7 29.Raf1 Rg6 (29...f5 30.Kf2 c6 31.g4+–) 30.g4 h6 (30...Nc6 31.Be3 h5+–) 31.c5 Bc5 (31...h5 32.cd6 hg4 33.Rg3 cd6 34.Rg4 Rg4 35.hg4+–) 32.dc5 Nd5 (32...h5 33.g5 Nd5 34.Kf2+–) 33.Rf5 c6 34.Kg2 Rg5 (34...Kg7 35.Re1+–) 35.Bg5 hg5 1–0. Registration (2400) – youngamerican, ICC, 2003.

7.ed5 Ne7 8.c4 Bg7 9.Nf3 0–0 10.Bd3 Bf5 11.Bf5 Nf5 12.0–0 Nd7 13.Nc3 Nb6 14.d3 Rfe8 15.Rfe1 Kf7 16.c5 Nd7 17.Nb5 Rec8 18.Nfd4 Ne3 19.Ne6 Nd5=+ 20.Ng7 Kg7 21.a3 Kf7 22.Re4 a6 23.Nd4 Re8 24.Rae1 g5 25.h3? Ne3 26.c6 bc6 27.Nc6 Re4 28.de4 Re8 29.e5? fe5–+ 30.a4 Nc4 31.Bc3 e4 32.Rd1 Ndb6 33.a5 Na4 34.Ba1 Rc8 35.Rd7 Ke6 36.Rd4 Nd6 37.Kf1 e3 38.Ke2 Nf5 39.Rc4? Kd5–+ 40.Rc1 Nd4?? 41.Nd4 c5 42.bc5 Rc5 43.Rd1 Ke4 44.Ne6?? Rc2–+ 45.Kf1 e2 46.Ke1 ed1Q 47.Kd1 Rg2 48.Nc5 Ke3 49.Na4 Rg1 50.Kc2 Ra1 51.Nc5 (51.Nc5 f3 52.Nd3 Ra2 53.Nb2–+) 0–1. bratek55 (1700) – leonid39 (1735), internet, 2011.

7.ed5 Ne7 8.Bc4 Ng8 (8...Nd7 9.Nf3= Bg7 (9...Nf5 10.a3 a5 11.Bd3 Ng7 12.b5 Bc5 13.Bd4 Bd4 14.Nd4 Nc5=) 10.Nd4 Nb6 11.Bb5 Kf7 12.d6 cd6 13.0–0 Ned5 14.c3 f5+=) 9.a3+= (9.Bc3 Bg4 (9...Bf5 10.d3 Bg4 11.Ne2 f3 12.gf3 Bf3 13.0–0 Be2 14.Re1 Kd7+=; 9...a5 10.ba5 Bf5 11.d3 Na6 12.Ne2 Bd6 13.Nd2 Be5 14.Rb1 0–0–0+/–) 10.Ne2 f3 11.gf3 Bf3 12.0–0 Be2 13.Be2 Nd7 14.Na3 Nb6=) 9...Bf5 (9...a5 10.b5 Bf5 11.d3 Nd7 12.Ne2 Bd6 13.Nd4 Ne7 14.0–0 Be5+=; 9...Bg4 10.Ne2 f3 11.gf3 Bf3 12.Rf1 Be2 13.Ke2 Bd6 14.h3 Nd7+=) 10.Nc3 (10.d3 a5 11.ba5 Ra5 12.Bc3 Ra8 13.Ne2 Bd6 14.0–0 Nd7+/–) 10...Nd7 (worse is 10...Bc2 11.d3 a5 (11...f3 12.Nf3 a6 13.Rc1 b5 14.Nb5 ab5+–) 12.ba5+– (12.Kd2 ab4 13.ab4 Ra1 14.Ba1 Ba4+/–) 12...Ra5 13.Kd2 Nh6 14.Kc2 Ng4+–; 10...a5 11.Nb5 Kd7 12.Nd4 ab4 13.ab4 Ra1 14.Ba1 Be4=) 11.Nf3 (11.Nge2 0–0–0 12.Nf4 Re8 13.Kd1 Bd6 14.g3 Ne5+=) 11...0–0–0 12.Nd4 Ne7 (12...Re8 13.Be2 Nh6 (13...Bg4 14.0–0 Be2+/–) 14.Rf1+= (14.0–0 Bd6+=) 14...g5+=) 13.0–0 (13.Ncb5 Ne5 14.Nf5 Nf5+=) 13...Nb6 (13...f3 A) 14.Rf3?! Ne5 15.Nf5 Nf5=; B) 14.gf3?! Ne5+= (14...Bh3+/–); C) 14.Nf5 Nf5 15.gf3+/–; D) 14.Nf3 Bc2+=) 14.Bb3 (14.Nf5?! Nc4 15.Ne7 Be7=) 14...Bh6 15.Rae1 (worse is 15.Nf5 Nf5 16.Rae1 f3 17.Rf3 Bd2+=) 15...Ned5 (better is 15...Rd7+–) 16.Nf5 gf5 17.Nd5 Nd5 18.c4 Nb4 19.ab4 Bg5 (19...f3 20.Rf3 Bd2+–) 20.d4 h5 21.Bc2 h4 (21...Rhe8 22.Bf5 Kb8 23.d5+–) 22.Bf5 Kb8 23.b5 f3 (23...Rhe8 24.d5+–) 24.Rf3 Rhe8 25.Re6 Re6 (25...c6 26.d5+–) 26.Be6 Re8 (26...c6 27.d5+–) 27.d5 c6 28.bc6 bc6 29.Bf6 Bd2 (29...Bf6 30.Rf6 cd5 31.Bd5 Re2+–) 30.Rb3 Ka8 31.dc6 Re6 32.c7 (32.Bh4?! Rc6 33.Bg3 a5+/–) 32...Re8 (32...Re1 33.Kf2 Re8 34.Bd8 Rf8 35.Ke2 Rf2 36.Kf2 Be1 37.Ke1 a5 38.c8Q Ka7 39.Bb6) 33.Be5! Ba5 (33...Re5 34.c8Q Mate attack) 34.Rb8 Rb8 35.cb8Q 1–0. Piriyev,Maksat – Gul,Ali, chessmoon.com, 2011.

7.ed5 Ne7 8.Bf6 Rg8 A) 9.Nc3 Nf5 10.Nh3 Bb4 11.Nb5 Kf7 12.Nc7 Kf6 13.Kd1 Nd4 14.Na8 Bg4=; B) 9.Bc4 Bg7 10.Bc3 Nf5 11.Ne2 g5 12.Kf2 Nd6 13.Bd3 Bf5 14.Bf5 Nf5+/–.

7.ed5 Bg7 8.Nc3 A) 8...Bd7 A1) 9.Nf3 Ne7 (9...Bf8 10.a3 a5 11.b5 Bg4 12.Ng5 Nd7+/– ; 9...a5 10.b5 Bg4 11.Nd4 a4 12.a3 Ne7+/–; 9...Bg4 10.Nd4 a6 11.Be2 Bd7 12.0–0 f5+/–) 10.Bc4 c6 11.d6 Nc8 12.Ne4 Bf5+=; A2) 9.a3 Ne7 (9...Bg4 10.Be2 f5 11.h3 Be2 12.Nge2 g5+/– ; 9...a5 10.b5 Bf5 11.Nge2 Nd7 12.Nf4 0–0–0+/–; 9...Kd8 10.Nf3 Ne7 11.Bc4 Nf5 12.0–0 Re8+=; 9...h6 10.Bd3 f5 11.Nge2 g5 12.0–0 Kd8+=) 10.Nge2 g5 11.Nd4 f5 12.Ne6 Be6+=; A3) 9.Bc4 Bg4 (9...Bf8 10.a3 a5 11.b5 Bf5 12.Nge2 Nd7+/– ; 9...a5 10.b5 a4 11.0–0–0 Kd8 12.Nge2 Bg4+/–; 9...Bf5 10.Nf3 Bf8 11.Nd4 Bd7 12.a3 Bd6+–; 9...Na6 10.a3 0–0–0 11.Ba6 ba6 12.Nge2 g5+/–) 10.Nge2 a5 11.b5 f3 12.gf3 Bf3+=; A4) 9.Be2 Kd8 (9...a5 10.b5 a4 11.a3 Ne7 12.Nf3 Kd8+/– ; 9...Ne7 10.Nf3 a5 11.b5 h6 12.0–0 f5+/–; 9...Bf8 10.a3 a5 11.b5 Bf5 12.Nf3 Bc5+=; 9...a6 10.Nf3 Ne7 11.0–0 f5 12.Rae1 Kd8+/–) 10.Nf3 Ne7 11.0–0 Re8 12.Rae1 f5+=; A5) 9.Nge2 g5 (9...f3 10.gf3 Na6 11.a3 0–0–0 12.Ne4 Ba4+–; 9...Na6 10.a3 g5 11.Nd4 Nb8 12.Ne4 a5+/–; 9...Bh6 10.Ne4 Na6 11.a3 0–0–0 12.Bd4 Bf5+/–; 9...a5 10.b5 g5 11.Ne4 h6 12.Nc5 Ne7+/–) 10.Ne4 h6 11.Nc5 Ne7 12.Nc3 b6+=; B) 8...a5 B1) 9.ba5 Na6 (9...Bg4 10.Bb5 Nd7 11.Nge2 f3 12.gf3 Bf3+= ; 9...Ra5 10.Nge2 g5 11.Nd4 f5 12.Ncb5 Na6+/–) 10.Bb5 Bd7 11.Nge2 Nb4 12.Bd7 Kd7=; B2) 9.b5 Nd7 (9...a4 10.0–0–0 a3 11.Ba1 Kd8 12.Nge2 g5+/–; 9...Ne7 10.Nge2 g5 11.Nd4 a4 12.a3 f5+/–; 9...Bf5 10.Nge2 Bc2 11.Nf4 Bf5 12.Ne6 Be6+/–; 9...Bd7 10.Nge2 g5 11.Ne4 h6 12.b6 cb6+/–) 10.0–0–0 Nb6 11.Re1 Kf7 12.Nge2 Bh6+=; C) 8...Bg4 C1) 9.Kf2 f5 (9...Bf8 10.Re1 Kd8 11.a3 a5 12.Ne4 Nd7+= ; 9...Ne7 10.Nge2 Na6 11.Ba3 Be2 12.Be2 f5+=; 9...Kd8 10.Nge2 Bh6 11.Re1 Ne7 12.d6 cd6+/–; 9...a5 10.ba5 f5 11.Re1 Kd8 12.Nf3 Ra5+=) 10.Re1 Ne7 11.Nf3 Kd8 12.Ne5 Rf8+=; C2) 9.h3 Bd7 (9...Bf5 10.Nge2 Bf8 11.Nf4 Bb4 12.0–0–0 h5+/– ) 10.Nge2 g5 11.Ne4 h6 12.Nc5 Ne7+=; C3) 9.Nce2 g5 (9...Bh6 10.Nd4 Kd7 11.h3 Bh5 12.Ne6 c6+= ; 9...a5 10.b5 Bh6 11.Nd4 Ne7 12.h3 Bd7+/–; 9...Bf8 10.Nf4 Bb4 11.Rb1 c6 12.Ne6 Kd7+=; 9...Na6 10.a3 g5 11.Nd4 0–0–0 12.Ba6 ba6+/–) 10.Nd4 Ne7 11.Bc4 Nd7 12.Ne6 Be6+=; C4) 9.Bb5 c6 (9...Kd8 10.Nce2 a6 11.Bc4 Bh6 12.Nd4 Kc8+=; 9...Nd7 10.Nge2 a6 11.Bd7 Kd7 12.Nf4 Re8+=) 10.dc6 Nc6 11.Nge2 g5 12.Rf1 Nge7=; C5) 9.Be2 Nh6 (9...h5 10.Nf3 a5 11.b5 f5 12.Ng5 Be2+/– ; 9...f5 10.Rb1 Kd8 11.h3 Be2 12.Nge2 g5+/–; 9...Bd7 10.Nf3 a5 11.b5 a4 12.a3 Bf8+/–) 10.Bg4 Ng4 11.Nh3 g5 12.0–0 c6+/–; D) 8...Bf5 D1) 9.Rc1 Bf8 (9...Ne7 10.Nge2 Na6 11.a3 0–0–0 12.Nd4 Bd7+= ; 9...Nd7 10.Nb5 0–0–0 11.Na7 Kb8 12.Nb5 Nb6+= ; 9...Bg4 10.Bb5 c6 11.dc6 Nc6 12.Nge2 g5+=; 9...a5 10.b5 Nd7 11.Nge2 0–0–0 12.Nf4 Re8+=) 10.Nb5 Kd7 11.Ne2 Bb4 12.Nf4 c6+=; D2) 9.0–0–0 Bf8 (9...Kd8 10.Nge2 a5 11.b5 Bg4 12.Re1 f3+/–; 9...Nh6 10.Nge2 a5 11.b5 f3 12.gf3 Nd7+– ; 9...Kd7 10.Re1 Bf8 11.a3 Bd6 12.Ne4 Be4+/–; 9...Ne7 10.Re1 a5 11.b5 Nd7 12.Nge2 0–0–0+/–) 10.Re1 Kd8 11.Ne4 Nd7 12.Nf3 h6+/–; D3) 9.Bb5 Nd7 (9...c6 10.Ba4 Ne7 11.Nge2 g5 12.0–0 a5+/– ; 9...Kd8 10.Nge2 a6 11.Ba4 Bf8 12.a3 a5+/–) 10.Nge2 0–0–0 11.0–0 Nb6 12.Nd4 Bd7+=; D4) 9.Nf3 Nd7 (9...Ne7 10.Nd4 Bd7 11.Bc4 f5 12.Nd1 c6+= ; 9...a5 10.Nd4 Bd7 11.b5 a4 12.0–0–0 Ne7+/–; 9...Nh6 10.Nd4 Nd7 11.Ne6 Be6 12.de6 Nb6+=; 9...a6 10.Nd4 Bd7 11.0–0–0 Bf8 12.Re1 Kd8+/–) 10.Nd4 Nh6 11.Ne6 Be6 12.de6 Nb6+=; D5) 9.Nge2 Nd7 (9...a5 10.ba5 Ra5 11.Nf4 Na6 12.a3 Ne7+/–; 9...f3 10.gf3 a5 11.ba5 Ra5 12.Nd4 Nh6+/–; 9...Bf8 10.Nd4 Bd7 11.a3 Bd6 12.Ncb5 Bb5+/–; 9...g5 10.Nd4 Ne7 11.Bc4 Bd7 12.Ne4 Nf5+–) 10.Nb5 0–0–0 11.Nf4 Re8 12.Kf2 a6+/–; E) 8...Bf8 E1) 9.b5 Bf5 (9...Bg4 10.Nge2 f3 11.Nd4 fg2 12.Bg2 Bd6+/–; 9...Bd6 10.Ne4 Bf5 11.Nd6 cd6 12.Ne2 Bc2+=; 9...Bc5 10.Nge2 Bf5 11.Nf4 Nh6 12.Ne6 Bd6+–) 10.Nge2 Bc2 11.Nd4 Bf5 12.Nf5 gf5+=; E2) 9.Nb5 Kd8 10.a3 a5 11.ba5 Ra5 12.Nf3 Bd7+=; E3) 9.Nce2 Bd6 10.a3 a5 11.b5 Nd7 12.Nh3 f3+=; E4) 9.Nge2 f3 (9...Bb4 10.Nf4 Bd6 11.Ne6 Ne7 12.Bb5 c6+=) 10.gf3 Bb4 11.Ne4 Nd7 12.Nd4 Nb6+=; E5) 9.a3 a5 (9...Bg4 10.Nge2 f3 11.Nd4 fg2 12.Bg2 Bd6+/– ) 10.b5 Bf5 11.Nge2 Bc2 12.Nd4 Bf5+=.

7.ed5 Bg7 8.Bc4 A) 8...Bf5 A1) 9.Kd1 Ne7 (9...Bg4 10.Nf3 Nd7 11.Re1 Ne7 12.Re4 Nb6= ; 9...Bf8 10.Ne2 Bb4 11.Nf4 Bd6 12.Re1 Kd7+= ; 9...a5 10.a3 Bf8 11.ba5 Ra5 12.Bc3 Rc5+=; 9...Nd7 10.Ne2 Bg4 11.Ke1 g5 12.Nd4 Nb6=) 10.Ne2 Bg4 11.Rf1 g5 12.Nbc3 Nd7=; A2) 9.d3 Bg4 (9...a5 10.ba5 Bg4 11.Nd2 Na6 12.Rc1 0–0–0+= ; 9...Bf8 10.a3 a5 11.ba5 Bd6 12.Nf3 Nd7+= ; 9...Nd7 10.Ne2 Nb6 11.Nf4 Nc4 12.dc4 Bf8+=) 10.Ne2 f3 11.gf3 Bf3 12.Rf1 Bg4+=; B) 8...a5 B1) 9.a3 ab4 (9...Bf5 10.d3 ab4 11.ab4 Ra1 12.Ba1 Bd7+= ; 9...Bf8 10.ba5 Bf5 11.d3 Bd6 12.Nf3 Nd7+=; 9...Ne7 10.Ne2 g5 11.Ba2 Bg4 12.Nd4 ab4+=; 9...Bg4 10.Ne2 f3 11.gf3 Bf3 12.Rf1 Bg4+=) 10.ab4 Ra1 11.Ba1 Na6 12.Bc3 Bf8+=; B2) 9.b5 Nd7 (9...Bf5 10.d3 Bg4 11.h3 Bh5 12.Ne2 Be2+= ; 9...Bg4 10.Ne2 f3 11.Nf4 fg2 12.Rg1 Nd7+=) 10.d3 Ne5 11.Ne2 f3 12.gf3 Nf3=; B3) 9.Ne2 f3 10.gf3 ab4 11.Nf4 Ne7 12.a3 ba3+=; B4) 9.ba5 Bf5 (9...Bg4 10.h3 Bf5 11.d3 Na6 12.Ne2 Nb4+/– ; 9...Na6 10.Ne2 Nb4 11.Bb3 Bf5 12.Nd4 Ne7+/–) 10.d3 Bg4 11.Nd2 Na6 12.Rc1 0–0–0+=; C) 8...Bf8 C1) 9.Ne2 f3 (9...Bb4 10.Nf4 Bd6 11.0–0 Nd7 12.Nc3 Ne5+=; 9...Nd7 10.a3 Nb6 11.Bb3 f3 12.gf3 a5+/–; 9...Bg4 10.Nf4 Bb4 11.Nc3 Bd6 12.0–0 Nd7+/–) 10.gf3 Bb4 11.Nd4 Bd6 12.Nc3 Nd7+=; C2) 9.Bc3 Bg4 (9...Bf5 10.d3 Bg4 11.Ne2 f3 12.gf3 Bf3+=; 9...a5 10.ba5 Bf5 11.d3 Bd6 12.Nf3 Nd7+/–; 9...c5 10.bc5 Bc5 11.Ne2 Bf5 12.d3 Bd7+/–; 9...Nd7 10.Ne2 Bd6 11.0–0 Ne5 12.Rf4 Bf5+=) 10.Ne2 f3 11.gf3 Bf3 12.0–0 Be2+=; C3) 9.b5 Bg4 (9...Nd7 10.Nf3 Nb6 11.Bb3 Bd7 12.a4 0–0–0+= ; 9...Bf5 10.d3 Bb4 11.Bc3 Bd6 12.Ne2 Nd7+= ) 10.Ne2 f3 11.gf3 Bf3 12.0–0 Be2+=; C4) 9.a3 Bg4 (9...Bf5 10.d3 a5 11.ba5 Bd6 12.Nf3 Nd7+= ; 9...Bd6 10.Nf3 Bf5 11.Nc3 a5 12.Nd4 Bd7+/–; 9...a5 10.ba5 Bf5 11.d3 Bg4 12.Ne2 f3+/–) 10.Ne2 f3 11.gf3 Bf3 12.Rf1 Be2+=; D) 8...Nd7 9.Ne2 g5 (9...Nb6 10.Bb3 g5 11.h4 f3 12.gf3 g4+/–; 9...Bf8 10.a3 Nb6 11.Bb3 f3 12.gf3 a5+/–; 9...f3 10.gf3 Ne5 11.Bb5 Bd7 12.Bd7 Kd7+=; 9...Ne5 10.Bb5 c6 11.dc6 bc6 12.Be5 cb5+/–) 10.0–0 Nb6 11.Bb3 Ne7 12.Nbc3 a5+=; E) 8...Bg4 E1) 9.Nc3 Nd7 (9...Ne7 10.Nge2 f3 11.gf3 Bf3 12.Rf1 Be2+/– ; 9...a5 10.ba5 Ra5 11.Nce2 g5 12.Bc3 Rc5+/– ; 9...f5 10.Nge2 a5 11.Rb1 Kd7 12.d6 Be2+/–; 9...Nh6 10.Nge2 a5 11.ba5 f3 12.gf3 Bf3+/–) 10.Nb5 0–0–0 11.Na7 Kb8 12.Nb5 Nb6=; E2) 9.Bd4 Nd7 (9...Nh6 10.Nc3 Nf5 11.Nge2 a5 12.ba5 f3+=; 9...Ne7 10.Nc3 Nf5 11.Nge2 a5 12.ba5 f3+=; 9...a5 10.ba5 Ne7 11.Nc3 Nf5 12.Nge2 f3+=) 10.Ne2 g5 11.0–0 Ne5 12.Bb5 c6=; E3) 9.Ne2 f3 (9...a5 10.Nf4 ab4 11.a3 ba3 12.Na3 Ne7+/– ; 9...Be2 10.Be2 Ne7 11.c4 Na6 12.b5 Nc5+=; 9...Bf8 10.Nf4 Bb4 11.Nc3 Bd6 12.0–0 Be5+/–) 10.gf3 Bf3 11.0–0 Be2 12.Be2 Nd7+=.

7.ed5 Bg7 8.Ne2 A) 8...Bf8 A1) 9.a3 a5 (9...Bd6 10.Nbc3 a5 11.Nb5 ab4 12.Nd6 cd6+=; 9...Bf5 10.Nd4 Bd7 11.Bc4 c5 12.dc6 Nc6+/–; 9...Bh6 10.Nd4 Bg4 11.Bb5 Kd8 12.0–0 a6+/–; 9...f3 10.gf3 a5 11.b5 Nd7 12.Bh3 Bd6+/–) 10.Nf4 ab4 11.Ne6 Bd6 12.ab4 Ra1+=; A2) 9.b5 Bd6 (9...Bh6 10.Nd4 Bf8 11.Bc4 Bd6 12.0–0 Be5+=; 9...Bf5 10.Nd4 Bg4 11.Ne6 Bd6 12.Nc3 Ne7+=) 10.Ba3 Bf5 11.Bd6 cd6 12.Na3 g5+=; A3) 9.Nf4 Bb4 10.Bc4 Bd6 11.0–0 Nd7 12.Nc3 Ne5+=; B) 8...a5 B1) 9.b5 g5 (9...Bh6 10.Nd4 Bf8 11.Nc3 a4 12.0–0–0 Bd6+/–; 9...f3 10.gf3 Ne7 11.Nbc3 Kf7 12.Nf4 Nf5+/–) 10.Nd4 f5 11.Bc4 Nd7 12.0–0 Ne7+=; B2) 9.Nf4 ab4 10.a3 ba3 11.Na3 Ne7 12.Bb5 c6+=; B3) 9.a3 g5 (9...ab4 10.Nf4 ba3 11.Na3 Ne7 12.Bb5 c6+= ; 9...Bh6 10.Nbc3 ab4 11.ab4 Ra1 12.Ba1 Na6+=; 9...Bf5 10.Nf4 ab4 11.Ne6 Be6 12.de6 Nc6+=; 9...Bf8 10.Nf4 ab4 11.Ne6 Bd6 12.ab4 Ra1+=) 10.Nd4 ab4 11.Bb5 Ke7 12.ab4 Ra1+=; B4) 9.ba5 g5 (9...Bh6 10.Nd4 Ra5 11.Bc4 c6 12.Nc3 Bg5+/–) 10.Nd4 Ne7 11.Bb5 Kd8 12.Ne6 Be6 13.de6+=; C) 8...Bh6 C1) 9.Nbc3 a6 (9...Bd7 10.Ne4 Na6 11.a3 0–0–0 12.Bd4 Bf5+/–; 9...a5 10.ba5 Ra5 11.Nd4 Bg5 12.Bb5 Kd8+/– ; 9...Bg4 10.Nd4 Kd8 11.Be2 Be2 12.Nce2 Nd7+/–; 9...Ne7 10.Nd4 a5 11.ba5 Bg5 12.h4 Bh6+/–) 10.Nd4 Bf8 11.a3 Bd6 12.Ne6 Be6+=; C2) 9.Nd4 Bf8 (9...Bd7 10.Bc4 Bf8 11.a3 c5 12.dc6 Nc6+/–; 9...c6 10.Nc3 Bf8 11.b5 Ne7 12.dc6 bc6+/–; 9...a6 10.Bc4 Bf8 11.a3 Bd6 12.0–0 Be5+/–; 9...Bg4 10.Bb5 Kd8 11.0–0 a5 12.ba5 Ra5+/–) 10.a3 Bd6 11.Nb5 a5 12.ba5 Ra5+/–; D) 8...f3 9.gf3 Nd7 (9...a5 10.b5 Ne7 11.Nbc3 Kf7 12.Nf4 Re8+/– ; 9...Bf8 10.a3 a5 11.b5 Nd7 12.Bh3 Bd6+/–; 9...Nh6 10.Nd4 Nf5 11.Kf2 Kf7 12.Na3 a6+/– 1.06; 9...Ne7 10.Nbc3 Kf7 11.Nf4 Bh6 12.Ne6 Be6+/–) 10.Nd4 f5 11.Bc3 Nb6 12.Ne6 Bc3+=; E) 8...g5+= 9.Nd4 Ne7 (9...c6 10.Ne6 Be6 11.de6 Ne7 12.Nc3 f5+= ; 9...f5 10.Bc4 c6 11.Kd1 cd5 12.Re1 Kf8+/–; 9...a5 10.Bb5 Kd8 11.ba5 Ne7 12.Ne6 Be6 13.de6+=) 10.Bc4 c6 11.Ne6 Be6 12.de6 b5+=.

7.ed5 Bg7 8.Nf3 a5 A) 9.b5 Ne7 (9...Nd7 10.Be2 Nb6 11.c4 Bg4 12.0–0 0–0–0+= ) 10.Nc3 Nd7 11.Nd4 Ne5 12.b6 cb6=; B) 9.a3 ab4 (9...Ne7 10.Nc3 ab4 11.ab4 Ra1 12.Ba1 Na6= ; 9...Bg4 10.Nd4 ab4 11.Bb5 Kf7 12.Bc4 ba3+=; 9...Bd7 10.b5 Ne7 11.Nc3 Bf5 12.Nd4 Nd7+/–; 9...Nh6 10.Nd4 ab4 11.ab4 Ra1 12.Ba1 Ke7+=) 10.ab4 Ra1 11.Ba1 Ne7 12.Bc4 Nd7=; C) 9.Ba3 f5 (9...Ne7 10.Nc3 ab4 11.Bb4 Na6 12.Ba3 Nb8= ; 9...ab4 10.Bb4 Na6 11.Ba3 Bg4 12.Nc3 0–0–0=) 10.d4 ab4 11.Bb4 Nf6 12.Bc4 Ng4=; D) 9.Bc3 ab4 (9...Ne7 10.Bc4 Nd7 11.ba5 Ne5 12.Ne5 fe5= ; 9...Nd7 10.ba5 Ne7 11.Bc4 Ne5 12.Ne5 fe5=) 10.Bb4 Na6 11.Ba3 Bg4 12.Nc3 0–0–0=; E) 9.ba5 Ne7 (9...Ra5 10.Nc3 Bd7 11.Nd4 c6 12.Kf2 Kd8+/– ; 9...Na6 10.a3 Nc5 11.d4 Ne4 12.Bd3 f5+=; 9...Nd7 10.Nd4 Ne5 11.Bb5 Kf7 12.0–0 Ne7+=) 10.Nc3 Ra5 11.Nd4 f5 12.Nb3 Ra7+=.

7.ed5 Bg7 8.Nf3 Nd7 A) 9.Ng5 Nb6 (9...Ne5 10.Bb5 Ke7 11.Ne4 Bf5 12.Nc5 b6= ) 10.Bb5 Kf8 11.Ne6 Be6 12.de6 c6+=; B) 9.Nc3 Ne7 (9...Ne5 10.Nd4 Ne7 11.Be2 a5 12.ba5 Ra5+= ; 9...Nb6 10.Nd4 Ne7 11.Bb5 Kf7 12.d6 cd6=; 9...a6 10.b5 Nb6 11.ba6 ba6 12.Nd4 Kf7=) 10.Nd4 Nb6 11.Bb5 Kf7 12.d6 cd6=; C) 9.Nd4 f5 (9...Nb6 10.Nc3 Ne7 11.Bb5 Kf7 12.d6 cd6= ; 9...Bf8 10.Ne6 Bd6 11.Bb5 a6 12.Ba4 Ke7=) 10.Bc3 Nb6 11.Ne2 Nf6 12.Nf4 0–0=; D) 9.Be2 Nb6 (9...Ne7 10.c4 Ne5 11.Nd4 a5 12.ba5 Ra5+= ; 9...a5 10.ba5 Ne7 11.c4 Nf5 12.0–0 Kd8=; 9...Bf8 10.a3 Nb6 11.c4 Bg4 12.0–0 a5+=; 9...Ne5 10.0–0 Ne7 11.Nc3 Nf3 12.Bf3 f5+/–) 10.c4 Bg4 11.0–0 0–0–0 12.Bd4 Ne7=; E) 9.Bb5 a6 (9...Ne7 10.Nc3 0–0 11.Bc4 Nb6 12.Bb3 Re8+= ; 9...Bf8 10.a3 a5 11.ba5 Bd6 12.0–0 Ra5+/–) 10.Ba4 a5 11.a3 Ne7 12.Nc3 Kd8+=.

7.ed5 Bg7 8.Nf3 Ne7 9.Bc4 (9.Nc3 a5 (9...c6 10.Bc4 cd5 11.Bd5 Nbc6 12.b5 Ne5+=; 9...Nd7 10.d6 cd6 11.Nb5 Kd8 12.Nd6 Kc7+=; 9...Bg4 10.Nd4 Nd7 11.h3 Bf5 12.d6 cd6+=) 10.b5 Nd7+= 11.Nd4 Ne5 12.b6 cb6=; 9.Bb5 c6 (9...Bd7 10.Bc4 b5 11.Bb3 Na6 12.c3 0–0–0+=; 9...Nd7 10.Nc3 a6 11.Ba4 a5 12.ba5 Kd8+=) 10.dc6 Nbc6 11.a3 Bg4 12.0–0 0–0–0=) 9...a6 (9...Nd7 A) 10.Nd4 Nb6 11.Bb5 Bd7 A1) 12.Ne6 Bb5 13.Nc7 (worse is 13.Ng7 Kf7 14.Ne6 Ned5–/+) 13...Kd7 14.Nb5 Ned5 15.a3+=; A2) 12.c4 Bb5–+; B) 10.Bb3 Nb6 11.c4 Bg4 12.0–0 0–0–0+=; 9...a5 10.ba5 Ra5 11.Nc3 Nd7 12.Nd4 Nb6=) 10.0–0+= b5 (10...a5 11.b5+= Nd7 12.d3 Nb6+=; 10...Nd7 11.Nc3 Nb6 12.Bb3 a5+=) 11.Bb3+/– Bb7 (11...a5 12.ba5 c5 13.dc6 Nbc6 14.Nc3 Ra5 15.Ne4+/–) 12.Nc3 f5 (12...a5+/–) 13.Rae1 Nd7 (13...Kd7 14.Ne5 Be5 15.Re5+–) 14.d6! cd6 15.Nb5! ab5 (better is 15...Bb2 16.Nd6 Kf8 17.Nb7 Rb8+–) 16.Bg7 Rg8 (16...Bf3 17.Bh8 Bb7+–) 17.Bg8 Kd8 18.Bb3 Nc6 19.c3 Kc7 (19...Ra6 20.Re6+–) 20.Ng5 Nd8 (20...Nce5 21.d4 Nc4 22.Rf4+–) 21.Rf4 (21.Nh7 Nc6+–) 21...Kb8 (21...h5 22.Ne6 Ne6 23.Re6+–) 22.Nh7 d5 (22...Be4 23.Ng5 Bb7 24.g4 fg4 25.Rg4+–) 23.Re7 (23.g4 fg4 24.Nf8 Nb6+–) 23...Kc8 24.Nf6 (24.g4 fg4 25.Nf8 g5+–) 24...Nf6 25.Bf6 (25.Bf6 Ra6 26.Be5+–) 1–0. Trkn – xxxhell, Casual Game, 2001.

7.ed5 Bg7 8.Nf3 Bf8 A) 9.Bc3 Bf5 (9...a5 10.ba5 Na6 11.Bc4 Bc5 12.Nd4 Bd4+= ; 9...Nd7 10.Bb5 a6 11.Ba4 b5 12.Bb3 Bb7=; 9...Bd6 10.Bc4 Bg4 11.Nd4 Nd7 12.0–0 Nb6=; 9...Bg4 10.Nd4 Bd6 11.Bb5 Kd8 12.Ne6 Be6=) 10.Bb5 Nd7 11.Nd4 Be4 12.Ne6 Bd6=; B) 9.b5 Nd7 (9...Bd6 10.Nc3 Nd7 11.Ne4 Be7 12.Kf2 Nh6+= ; 9...Bg4 10.Ne5 Bh5 11.Nd3 f3 12.Nf4 Bg4+=) 10.Be2 Nb6 11.c4 Bg4 12.0–0 0–0–0=; C) 9.Ba3 Nd7 (9...c6 10.dc6 Nc6 11.c3 Nge7 12.Be2 Bf5= ; 9...Bg4 10.Nd4 Bd6 11.Nb5 f3 12.Nd6 cd6+=; 9...Bd6 10.Nc3 Ne7 11.Nb5 Kd8 12.Nd6 cd6+=; 9...Ne7 10.Nc3 Nd7 11.Bb2 a6 12.Be2 Bg7+=) 10.Be2 Ne7 11.c4 b5 12.d3 Nf5= ; D) 9.a3 a5 (9...Bg4 10.Bb5 Nd7 11.Ng5 a6 12.Bd7 Bd7+=; 9...Bd6 10.Nc3 Nd7 11.Ne4 Nb6 12.Bb5 Kf7+/–) 10.b5 Nd7 11.Be2 Nb6 12.c4 Bg4+=.

7.ed5 Bg7 8.Nf3 Bg4 A) 9.Be2 c6 (9...Bf3 10.Bf3 Nd7 11.0–0 Ne7 12.c4 0–0–0+= ; 9...Nd7 10.Nd4 Be2 11.Ke2 Bf8 12.Ne6 Rc8+=; 9...Ne7 10.Nc3 c6 11.d6 Nd5 12.a3 Nc3+=; 9...Bf8 10.a3 a5 11.b5 Nd7 12.Nd4 Be2+=) 10.Nc3 Ne7 11.d6 Nd5 12.a3 Nc3=; B) 9.Ng5 Ne7 (9...Nd7 10.Be2 h6 11.Bg4 hg5 12.Be6 0–0–0+= ; 9...Bf8 10.Bb5 Bd7 11.Bd7 Nd7 12.Ne6 Rc8+=; 9...a5 10.ba5 Ra5 11.Ne6 Be6 12.de6 Nc6+=; 9...h6 10.Ne6 Be6 11.de6 Nc6 12.Bb5 Ke7+=) 10.Bb5 c6 11.dc6 Nbc6 12.0–0 Bf5=; C) 9.Bb5 c6 (9...Bd7 10.Bc4 b5 11.Bb3 Bf8 12.a3 a5+/–; 9...Nd7 10.Ng5 a6 11.Ba4 Ke7 12.0–0 Ne5+/–) 10.dc6 Nc6 11.0–0 Nge7 12.Nd4 g5=; D) 9.Bc4 Bf3 (9...Nd7 10.0–0 Nb6 11.Bb3 Ne7 12.Nc3 0–0–0= ) 10.gf3 Nd7 11.Nc3 Nb6 12.Bb3 0–0–0=; E) 9.Nd4 Ne7 (9...c6 10.Nc3 Ne7 11.Ne6 Be6 12.de6 Nd5+= ; 9...a6 10.Be2 f5 11.Bc3 Kd7 12.Bc4 Ne7+/–; 9...Kd8 10.Bc4 Nd7 11.Bb3 Kc8 12.h3 Bh5+/– 1.25; 9...Bd7 10.Bc4 Bf8 11.a3 c5 12.dc6 Nc6+/–) 10.Bb5 c6 11.dc6 Nbc6 12.0–0 g5=.

7.ed5 Bf5

8.a3 Bc2 9.Bc4 Nd7 10.Ne2 Nb6 11.Ba2 Bd6 12.Nbc3 Bd3 13.0–0 g5 14.Rfe1 Kf7 15.Nd4 Be5 16.Nf3 Bd6 17.Ne4 Be4 18.Re4 Nh6 19.Rae1 Rhe8 20.Nd4 Re4 21.Re4 Re8 22.d3 Re4 23.de4 Be5 24.Bc3 Ke7 25.Nb5 Bc3 26.Nc3 a6 27.h3 f5 28.Kf2 g4 29.e5 Nf7 30.a4? Ne5–+ 31.a5 Nbd7 32.b5 ab5 33.Nb5 Kd8 34.Nd4 Nd3 35.Kg1 Nb4 36.Bb1 Nf6 37.Bf5 gh3 38.gh3 Nbd5 39.Kf2 c5 40.Ne6 Ke7 41.Nc5 b6 42.ab6 Nb6 43.Kf3 Nbd5 44.Nd3 Nh5 45.Bh7 Kf6 46.Be4 Nc3 47.Nf4 Ng7 48.Nd5 Nd5 49.Bd5 Ke5 50.Bf7 Kf5 51.h4 Kf6 52.h5 Nf5 53.h6 Nh6 54.Bg6 Ke5 55.Bf5 Ng8 56.Kg4 Ne7 57.Kg5 Nc6 58.Be6 Nd4 0–1. bratek55 (1685) – jonlajoie (1865), internet, 2011.

8.Na3 a6 9.Bc3 Nd7 10.Ne2 Kf7 11.Nf4 Re8 12.Kf2 Bd6 13.Nd3 b5 14.h3 Ne7 15.g4 Bd3 16.Bd3 Nd5 17.Rae1 Bb4 18.Nb1 Bc3 19.dc3 Nf4 20.Be4 Nc5 21.Bc6? Re1 22.Re1 Rd8 23.Kg3 g5 24.h4 h6 25.hg5 hg5 26.Na3 Rh8 27.Bg2 Re8 28.Re8 Ke8 29.c4 b4 30.Nb1 Kd7 31.Nd2 Kd6 32.Nb3 Ng6 33.Kf2 Ne5 34.Nd4? Ng4 35.Kg3 Ne5 36.Nf5 Kd7 37.Bd5 c6 (37...c6 38.Bg8 Ne4 39.Kh3 Nc3–+) 0–1. bratek55 (1770) – pumprdlik (1605), internet, 2011.

8.c3 Be4 9.c4 Bb4 10.Nc3 Bc3 11.Bc3 Nd7 (11...Na6 12.Kf2 Nc5 13.Nh3 Bf5 14.Re1 Kf7 15.Ng5=; 11...Kd7 12.d3 (12.Kf2 Nh6 13.Be2 Rf8 14.d3 Bf5 15.Rb1=; 12.Ne2 g5 13.Nd4 Na6 14.d3 Bg6 15.Ne6=) 12...Bf5 13.Kd2 c6 14.dc6 Nc6 15.Ne2+=; 11...c6 12.d3 Bf5 13.Ne2 cd5 14.cd5 f3 15.gf3=; 11...h6 12.0–0–0 (12.Kf2 Bf5 13.Re1 Kd7 14.Ne2 Na6 15.Nf4+=) 12...Bf5 13.Re1 Kd7 14.Ne2 Na6 15.Nf4+=) 12.d3 (12.Kf2 Nh6 13.Nh3 Kf7 14.Nf4 Bf5 15.Be2=; 12.0–0–0 Kf7 13.d3 Bf5 14.Re1 Nh6 15.Ne2+=) 12...Bf5 13.Kd2 (13.Ne2 f3 14.gf3 Bd3 15.Nf4=) 13...0–0–0 (13...Ne7 14.Re1 h6 15.Ne2+=) 14.Ne2 g5 (14...Re8 15.Nf4 h5 16.d4=; 14...Nh6 15.Nf4=) 15.Nd4 (15.h4 g4+=) 15...Nh6= 16.Kc2 (16.h4 g4=) 16...Ne5+= 17.Be2 (17.h4 g4+=) 17...Kb8 (17...c5 18.Nb3 b6 19.Kd2–/+) 18.Nf5 (better is 18.h4!? g4 19.Bd2=) 18...Nf5–/+ 19.d4 Ne3 20.Kb3 Nf5?? (20...Ng6 21.Rhg1–/+) 21.g3?? (21.de5 fe5 22.Rhe1 Ne3+–) 21...fg3?? (21...Ng6 22.Bd3 Ne3 23.Rae1+=) 22.hg3?? (better is 22.de5!? fe5 23.Rae1+/– (worse is 23.Be5 Rhe8–/+)) 22...Nd7 (22...Ng3 23.de5 Ne2 24.ef6+=) 23.Rag1 (23.Bd3 Ng3 24.Rh3 h5 25.Rg3 h4+=) 23...Nd6 24.Bd3 (24.g4 Ne4=) 24...h6 (24...h5 25.Rh2+=) 25.Rh5 (25.g4 Rde8+=) 25...Nf8 (25...f5!?+=) 26.c5 (26.Rgh1 Nf7+=) 26...Nc8 27.Rgh1 (27.Rf1 Nd7+=) 27...Rd5 (27...Ne7!?=) 28.Rh6+/– Rh6 29.Rh6 Rd8 (29...f5!?+=) 30.Rf6+/– Nd7 (30...c6 31.Bc4+/–) 31.Rf5+– g4 32.Be2 Ne7 33.Rf7 Nd5 34.Bg4 N7f6 35.Bf5 Nc3 36.Kc3 (36.Rf6?! Ne2+/–) 36...Nd5 37.Kc4 c6 38.Be6 Nc7 39.Re7 (39.Bd7!? Nd5+–) 39...Ne6+/– 40.Re6 Rg8 41.Re3 a6 (41...b5 42.Kd3+/–) 42.a4 Rg7 43.a5 Kc7 44.Kd3 (44.Rb3 Rg4+–) 44...Kd7 (44...Rg4 45.Rf3+–) 45.Ke2 (45.Ke4 Rg4 46.Ke5 Rg8+–) 45...Rg4+/– 46.Rb3 Rd4 (46...Ke6 47.Rb7 Rg3 48.Rh7+/–) 47.Rb7+– Ke6 48.Rb6 Kd5 49.Kf3 Kc5 50.g4 (50.Ra6 Rd3 51.Kf4 Rd4 52.Ke3 Rg4+–) 50...Ra4 (50...Rd3 51.Kf4 Rd4 52.Kg3 Rd7+–) 51.Ra6 Kb5 52.Ra8 c5 53.g5 Rd4 54.Rc8 Rd3 (54...Rd6 55.Ke4 c4+–) 55.Kf4 c4 (55...Rd6 56.Ke4+–) 56.g6 Ka5 (56...Rd7 57.Ke5 Ra7+–) 57.g7 (57.g7 Rd4 58.Ke5+–) 1–0. Roczniak,Jan – Smierciuk,T, corr Poland, 1980.

8.c3 Be4 9.c4 Bb4 10.Nc3 Bf5 A) 11.Nb5 A1) 11...Kd7 12.a3 (12.Ne2 Na6 13.Nf4 Re8 14.Be2 g5 15.Nd4+= ) 12...Bd6 13.Ne2 Na6 14.Nd6 Kd6 15.d4= ; A2) 11...Ba5 12.Nd4 (12.Ne2 Na6 13.Nf4 Nc5 14.Bd4 Ne4 15.Be3= ) 12...Bg4 13.Nge2 Be2 14.Be2 Na6 15.Rf1+=; A3) 11...Kd8 12.Ne2 (12.Nd4 Bd7 13.Ngf3 Bd6 14.Ng5 Ke7 15.Ne4+= ) 12...f3 13.gf3 Bd7 14.Nf4 a6 15.Nd4+=; A4) 11...Na6 12.Ne2 Kd7 13.Nf4 Re8 14.Be2 g5 15.Nd4+= ; B) 11.a3 B1) 11...Bd6 12.Nf3 (12.Nge2 a6 13.d4 b6 14.c5 bc5 15.dc5+= ; 12.d4 Be7 13.Nge2 g5 14.Nc1 Nh6 15.Be2+= ; 12.Nb5 Na6 13.Ne2 Nc5 14.Ned4 Bg4 15.Nd6+=) 12...Nd7 13.d4 0–0–0 14.Nb5 Re8 15.Kd2=; B2) 11...Be7 12.Nf3 (12.Nb5 Na6 13.Ne2 g5 14.h4 c6 15.Nbd4= ; 12.Nge2 Na6 13.Nb5 g5 14.h4 c6 15.Nbd4= ; 12.Nce2 Bd6 13.Nd4 Bd7 14.Ngf3 Na6 15.Kf2+=) 12...Bg4 13.d4 Nd7 14.Bd3 0–0–0 15.0–0=; B3) 11...Bc5 12.Nge2 (12.Nce2 Bd6 13.d4 b6 14.Nf3 Nd7 15.Bc1+= ; 12.Nb5 Na6 13.d4 Be7 14.c5 Nh6 15.Nc3+= ; 12.Nf3 Bb6 13.Ne2 Na6 14.Nfd4 Bd7 15.Nf4=; 12.Rd1 Ne7 13.Nge2 f3 14.gf3 Nd7 15.Ne4=) 12...g5 13.Nb5 Na6 14.h4 f3 15.gf3=; B4) 11...Bc3 12.Bc3 (12.dc3 Ne7 13.Ne2 g5 14.Nd4 Nd7 15.Kd2+= ) 12...Kf7 13.Ne2 Nd7 14.Nf4 Nc5 15.d3=; B5) 11...Ba5 12.Nce2 (12.Nf3 Nd7 13.Nd4 Nh6 14.Nce2 g5 15.h4+= ; 12.Nb5 Nd7 13.Ne2 Nc5 14.Nf4 Nb3 15.Rd1–/+ ; 12.Nge2 Nd7 13.Nf4 Nc5 14.Nb5 Nb3 15.Rd1–/+) 12...Nd7 13.Nd4 Ne7 14.Nf5 Nf5 15.Nh3+=; C) 11.Nf3 C1) 11...Kd7 12.Be2 (12.a3 Bc3 13.Bc3 Na6 14.Nd4 Re8 15.Kf2= ; 12.Ne2 Na6 13.Nf4 Re8 14.Kf2 Bd6 15.Nd3+= ) 12...Bc3 13.Bc3 Be4 14.0–0 Bf3 15.Bf3+=; C2) 11...Nh6 12.Be2 (12.a3 Bc3 13.Bc3 Nd7 14.Be2 0–0–0 15.Nd4+= ; 12.Nb5 Kd7 13.Bf6 Re8 14.Kd1 a6 15.a3+= ) 12...Nd7 13.Nd4 Bc3 14.Bc3 0–0–0 15.0–0=; C3) 11...Bc5 12.d4 (12.Be2 Bb6 13.Nh4 Bd7 14.Ne4 Na6 15.Nf3+= ; 12.Ne2 Bd6 13.Ned4 Bd7 14.Nb3 Na6 15.Rc1+= ; 12.a3 Nd7 13.d4 Bb6 14.c5 Ba5 15.Bc4+=; 12.Nb5 Na6 13.Nfd4 Bd7 14.Nb3 Be7 15.c5+=) 12...Bb4 13.a3 Ba5 14.Be2 Nd7 15.0–0+=; C4) 11...Bg4 12.Kf2 (12.Nb5 Ba5 13.Be2 a6 14.Nbd4 Nd7 15.0–0+= ; 12.a3 Bc3 13.Bc3 Bf3 14.gf3 Nd7 15.Kf2= ; 12.Be2 Na6 13.Rf1 Nc5 14.a3 Ba5 15.Nd4+=; 12.Nd4 Kf7 13.h3 Bd7 14.Be2 Ne7 15.0–0=) 12...Kd8 13.Ne2 Nd7 14.Nf4 Ne7 15.Ne6+=; C5) 11...Na6 12.Nd4 (12.a3 Bc3 13.Bc3 Kf7 14.d3 Ne7 15.Kd2+= ; 12.Be2 0–0–0 13.Nd4 Bd7 14.0–0 g5 15.Ne4+=; 12.Nb5 Bc5 13.Nfd4 Bd7 14.Nb3 Be7 15.c5+=) 12...Bd7 13.Be2 0–0–0 14.0–0 g5 15.Ne4+=; D) 11.Nge2+= D1) 11...Na6 12.Nf4 (12.a3 Bd6 13.d4 g5 14.c5 Be7 15.Nc1+= ; 12.Nb5 Kd7 13.Nf4 Re8 14.Be2 g5 15.Nd4+= ; 12.Nd4 Bd7 13.Be2 0–0–0 14.0–0 g5 15.Ne4+=) 12...Kd7 13.Bd3 Re8 14.Kd1 Bg4 15.Be2=; D2) 11...Kd7 12.Nf4 (12.Nb5 Na6 13.Nf4 Re8 14.Be2 g5 15.Nd4+= ; 12.a3 Bd6 13.Nb5 Na6 14.Nd6 Kd6 15.d4= ) 12...Na6 13.Bd3 Re8 14.Kd1 Bg4 15.Be2=; D3) 11...g5 12.Nb5 (12.Nd4 Bd7 13.Ne4 h6 14.a3 Be7 15.Ne6+= ; 12.h4 h6 13.Nd4 Bg6 14.Ne6 Rh7 15.a3= ; 12.a3 Bc5 13.Nb5 Na6 14.Ned4 Bd4 15.Bd4=) 12...Ba5 13.h4 a6 14.Nbd4 Bd3 15.hg5+/–; D4) 11...Nd7 12.Nf4 (12.Nb5 0–0–0 13.Na7 Kb8 14.a3 Ba5 15.Nb5+= ; 12.a3 Bd6 13.Nb5 Nc5 14.Ned4 Be4 15.0–0–0+= ; 12.Nd4 Nh6 13.Ne6 Kf7 14.Nb5 c6 15.Nbd4–/+ ) 12...0–0–0 13.Bd3 Re8 14.Nce2 Nh6 15.Bf5=.

8.Nc3 Nd7 9.d3 0–0–0 10.0–0–0 Bb4 11.Nge2 Ne7 12.Nd4? Bg4 13.Re1 Bc3 14.Bc3 Nd5 15.Bd2 Ne3! 16.Be3 fe3 17.Re3 Ne5 18.Be2?? Be2 19.Ne2–/+ Rhe8 20.Nc3 c5 21.Rhe1 Kd7 22.Ne4= Ng4?? 23.Rh3?? h5 24.Nc5=+ Kc6 25.Re8 Re8 26.Ne4 f5 27.Nc3 Re3 28.Re3 Ne3 29.g3 Nf1 30.Kd1 Nh2 31.Ke2 Ng4 32.Kf3 g5 33.a4 Ne5 34.Ke3 h4 35.gh4 gh4 36.Ne2 h3 37.Kf4 h2 38.Ng3 Kd5 39.Kf5 Kd4 40.Ke6 Nc6 41.Kd6 Nb4 42.Kc7 Nc2 43.Kb7 Kd3 44.Ka7 Ke3 45.a5?? Kf3 46.a6 Kg3 47.Kb8 Nb4 48.a7 Nc6 49.Kb7 Na7! 50.Ka7 h1Q 51.Kb6 Qc1 52.Kb5 Kf4 (52...Kf4 53.Kb4 Qe3 54.Kb5 Qd3 55.Kc5 Ke4 56.Kb6 Kd5 57.Kb7 Qb5 58.Kc7 Qc5 59.Kd7 Qa7 60.Kd8 Kd6 61.Ke8 Qe7) 0–1. bratek55 (1700) – jonlajoie (1845), internet, 2011.

8.c4 Bb4 9.Nf3 Nd7 Black fights for the Initiative 10.Ng5 (10.Nd4 Ne7+=) 10...Nc5 11.Be2 (11.Nc3 h6 (11...fg5?! 12.Nb5=) 12.Nb5 Kd7–+) 11...h6–+ 12.Nf3 Nd3 13.Bd3 Bd3 14.Ba3 Ba5 15.Nc3 (15.c5 0–0–0–+) 15...Bc4 16.Kf2 (16.d6 c6–+) 16...0–0–0 17.Rhd1 Bb6 18.d4 Bd5 19.Nd5 Rd5 20.Bb2 (20.Rac1 f5–+) 20...Ne7 21.Rd2 (21.Re1 Nf5–+) 21...Nf5 22.h3 (22.a3 Rhd8–+) 22...Rhd8 23.Rad1 c5 (23...c5 24.Re2 cd4–+) 0–1. Hasler,Ulrich – Jung,R, CiF, 1992.

8.Bc4 Bb4 (--> 1.b4 e5 2.Bb2 f6 3.e4 d5 4.f4 ef4 5.Qh5 g6 6.Qd5 Qd5 7.ed5 Bb4 8.Bc4 Bf5).

8.Ne2 Bc2 9.Nd4 Bb1 10.Rb1 Bb4 11.Bb5 Kf7 12.Ne6 Na6 13.Ba6 ba6 14.Nc7 Rd8 15.Bc3 Bc5 16.Rb7 Rd7 17.Ba5? Ne7–+ 18.Rb3 Nd5 19.Nd5 Rd5 20.Rb7 Ke6 21.Bc3 g5 22.h3 h5 23.Kd1 Rhd8 24.Kc2 Rc8 25.Re1 Kf5 26.Rf7 Bd4 27.Ree7?! Bc3 28.dc3 Rdc5 29.Ra7 Rc3 30.Kb2 Rc2 31.Kb3 Rg2 32.Ra6 Rg3 33.Kb4 Rh3 34.Rff6 Kg4 35.a4 Re3 36.Rae6 Re6 37.Re6 f3 38.Re1 f2 39.Rf1 Kg3 40.a5 Kg2 41.Rc1 f1Q 42.Rf1 Kf1 43.Kb5 Ra8 44.a6 h4 45.Kb6 h3 46.Kb7 Ra6! 47.Ka6 h2 48.Kb5 h1Q 49.Kc4 Qe4 50.Kc5 Ke2 51.Kd6 Kd3 52.Kc5 Qd4 53.Kc6 Kc4 54.Kc7 Qd5 55.Kb6 Qd6 56.Kb7 Kb5 57.Ka8 Qc6 58.Kb8 Qd7 59.Ka8 Kb6 60.Kb8 Qb7 (60...Qe8) 0–1. bratek55 (1745) – bali63 (1695), internet, 2011.

8.c3 Nd7

9.a3 0–0–0 A) 10.Nf3 Ne5 (10...Bd6 11.c4 Re8 12.Kf2 Nh6 13.Nc3 Be7= ; 10...Re8 11.Kf2 Nh6 12.Nd4 Be4 13.c4 Ng4+=; 10...Nh6 11.Nd4 Be4 12.c4 Re8 13.Kf2 Ng4+=; 10...Be4 11.c4 Re8 12.Kf2 Nh6 13.Nc3 Ng4+=) 11.Ne5 fe5 12.c4 Bg7 13.Be2 Ne7+=; B) 10.d4 Re8 (10...Nh6 11.Bc1 Bd6 12.Nd2 Rde8 13.Be2 Bd3–/+; 10...Bd6 11.c4 Re8 12.Ne2 h5 13.c5 Bf8=; 10...Nb6 11.c4 Nh6 12.h3 Re8 13.Kf2 Na4–/+; 10...h5 11.c4 Re8 12.Kf2 Nh6 13.h3 Be4+=) 11.Kf2 Nh6 12.h3 Nb6 13.Bb5 Rd8–/+; C) 10.c4 Ne5 (10...Re8 11.Kf2 Ne5 12.Nf3 Nd3 13.Bd3 Bd3+= ; 10...Nh6 11.Ne2 Re8 12.Kf2 Ng4 13.Kg1 Nge5+=; 10...h5 11.Ne2 Re8 12.Kf2 Nh6 13.Nf4 Bd6+=) 11.d4 Ng4 12.Nd2 Re8 13.Ne2 Bd3–/+; D) 10.Be2 Ne5 (10...Re8 11.c4 Ne5 12.Kd1 h6 13.Bd4 Kb8+= ; 10...Nh6 11.Nf3 Re8 12.Nd4 Bg4 13.Kd1 Nb6–/+; 10...Be4 11.Kf2 Bd5 12.c4 Be6 13.Nf3 Nh6–/+) 11.d4 Nd3 12.Bd3 Bd3 13.Nf3 Bd6–/+; E) 10.Ne2 Bd6 (10...f3 11.gf3 Nb6 12.Nd4 Re8 13.Kf2 Bd7= ; 10...Re8 11.Kf2 Bd6 12.Nd4 Nh6 13.Nf5 Nf5+=; 10...Nb6 11.Nf4 Bh6 12.Ne6 Rd5 13.c4 Rd7+=) 11.Nd4 Re8 12.Kf2 Nh6 13.Nf5 Nf5+=.

9.a3 a5 A) 10.ba5 Nc5 11.d3 Ra5 12.c4 Nd3 13.Bd3 Bd3–/+; B) 10.Bb5 Be4 (10...Bd6 11.Nf3 Ne7 12.Kf2 ab4 13.cb4 Nd5+=; 10...ab4 11.cb4 Be4 12.Kf2 Bd5 13.Nh3 Bh6+=; 10...Ne7 11.d6 Nd5 12.dc7 Nc7 13.Be2 ab4+=) 11.Nf3 Bd5 12.0–0 c6 13.Be2 Bd6+=; C) 10.Nf3 Bd6 (10...Be4 11.Bc4 Ne5 12.Ne5 fe5 13.0–0 0–0–0+= ; 10...Ne7 11.d6 cd6 12.Bb5 Be4 13.0–0 Bc6+= ; 10...Nb6 11.Nd4 Bd7 12.ba5 Na4 13.Bc1 Ra5=; 10...ab4 11.cb4 Bb4 12.ab4 Ra1 13.Ba1 Bb1+=) 11.Nd4 Ne7 12.Nf5 Nf5 13.Be2 ab4+=; D) 10.Bc4 Ne5 (10...Nb6 11.Bb5 Bd7 12.Be2 ab4 13.cb4 Nd5–/+; 10...ab4 11.cb4 Be4 12.Nf3 Nb6 13.Bb5 Kd8+=; 10...Be4 11.Nf3 Ne5 12.Ne5 fe5 13.0–0 0–0–0+=; 10...Bd6 11.Nf3 ab4 12.cb4 Ne5 13.Bb5 Bd7–/+) 11.Bb5 Kf7 12.d4 Be4 13.h3 Nd3–/+; E) 10.Ne2 Bd6 (10...ab4 11.cb4 Bd6 12.Nbc3 Ne7 13.Nd4 Kf7+= ; 10...Ne7 11.Nf4 ab4 12.cb4 Bh6 13.Ne2 Nd5= ; 10...g5 11.Nd4 Be4 12.c4 ab4 13.d3 Bg6=) 11.Nd4 Ne7 12.Nf5 Nf5 13.Be2 ab4+=.

9.a3 Ne5 10.d4 (10.Bb5 Kf7 (10...Bd7 11.Be2 0–0–0 12.Nf3 Nf3 13.Bf3 Bb5+=; 10...c6 11.dc6 bc6 12.Be2 Be4 13.Nf3 Nd3=; 10...Kd8 11.Nf3 Nf3 12.gf3 Ne7 13.c4 Bg7+=) 11.d4 Nd3 12.Bd3 Bd3 13.Nd2 Re8–/+) 10...Nd3 11.Bd3 Bd3 12.Nd2 (12.Ne2 Bd6 13.Nd2 0–0–0+=) 12...Ne7 (12...0–0–0 13.0–0–0 Ne7–/+) 13.c4 Kf7 (13...b5 14.Ne2+=) 14.Nh3 (14.Ne2 Re8 15.Nc1 Bf5–/+) 14...g5 (14...Re8 15.Kd1 Nf5 16.Nf4 Ne3 17.Kc1 Bc4 18.Nc4 Nc4 19.Kb1–/+) 15.Nf2= Bf5 (15...Bg6 16.0–0=) 16.g3 (16.b5 a6 17.ba6 Ra6=) 16...fg3 17.hg3 Bg7 (17...b5!?+=) 18.g4= Bg6 19.0–0 Ng8 (19...h5 20.Nfe4 hg4 21.d6=) 20.Nfe4 Be4 21.Ne4 Kg6 22.d6 Nh6 23.dc7 (23.d5 cd6 24.Nd6 Ng4 25.Nb7 Ne3+=) 23...Rhc8 24.d5 (24.Nc3 Rc7 25.c5 Ng4+=) 24...Rc7 25.c5 (25.Bf6 Rc4 26.Bg7 Re4 27.Bh6 Rg4 28.Kh1 Kh6 29.Rf6 Kh5+=) 25...Ng4 26.d6 (26.Rae1 h5=) 26...Rf7 27.Ng3 Bf8 (27...Re8 28.Bd4+=) 28.Rae1 a6 (28...h5 29.Re6=) 29.Re6+= h6 30.Ne4 (30.Nf5 h5+=) 30...Bg7= 31.Nc3 Ne5 (31...a5 32.b5 Rc8 33.c6 bc6 34.bc6+/–) 32.Nd5+= Nd7 33.a4 (33.Ne7!? Kh7 34.Nf5+=) 33...a5+= 34.Nc7 Rc8 (34...Rh8 35.Ba3 ab4 36.Bb4+=) 35.Ba3 (35.Nd5 ab4 36.Ne7 Re7 37.Re7 A) 37...Nc5? 38.Rc7 Rd8 39.Rg7 (39.Rc5?! Rd6 40.Rb5 b6+–) 39...Kg7 40.Bf6 Kf7 41.Bd8 Ke6 42.Rb1+–; B) 37...Rd8=) 35...ab4+= 36.Bb4 Kh7 (36...h5 37.Nd5 Nc5 38.Ne7 Re7 39.Re7 Na4 40.Ra1+/–) 37.a5 (37.Re7 Kg8=) 37...Ne5 (37...h5 38.Re7 Kg6 39.Ne6 Re7 40.de7+=) 38.Re7 Bf8?? (better is 38...Kg6=) 39.Rf7+– Nf7 40.c6?? (better is 40.Rf6 Ne5 41.Ne6+–) 40...Nd6 (40...bc6 41.Rf6 Nd6 42.Rf8 Rf8 43.Bd6=) 41.Bd6 (41.Bd6 Bd6 42.cb7+=). Roczniak,Jan – Saskowski,M, corr Poland, 1979.

9.Bb5 A) 9...a6 A1) 10.Bd7 Kd7 11.Kf2 Nh6 12.h3 Re8 13.c4 Bb4–/+; A2) 10.Bf1 0–0–0 (10...Be4 11.Nh3 Bd6 12.Kf2 Bf5 13.Na3 Ne7–/+ ; 10...Bd6 11.Nf3 Be4 12.Be2 0–0–0 13.a3 Re8–/+ ; 10...Nb6 11.Nf3 0–0–0 12.b5 ab5 13.Bb5 Nd5–/+ ; 10...Be7 11.Ne2 Bd6 12.Nd4 Ne7 13.Nf5 Nf5+=) 11.Nf3 Re8 12.Kf2 Nh6 13.b5 Ng4–/+; A3) 10.Bc4 Ne5 (10...Nb6 11.Bb3 0–0–0 12.Ne2 Bd6 13.Nd4 Re8–/+ ; 10...0–0–0 11.Nf3 Nb6 12.d3 Nh6 13.Nd4 Bd6–/+ ; 10...Ne7 11.Nf3 Nb6 12.Bb3 Ned5 13.Kf2 Be7–/+ ) 11.Be2 Nd3 12.Bd3 Bd3 13.Nh3 Bd6–/+; A4) 10.Ba4 a5 11.Ne2 ab4 12.Bb5 Ra5 13.Nd4 Bb1–/+; A5) 10.Be2 Be4 (10...Nb6 11.Nf3 Be4 12.0–0 Bd5 13.d3 0–0–0–/+ ; 10...0–0–0 11.Nf3 Re8 12.Nd4 Bg4 13.Kd1 h5+= ; 10...Bd6 11.Nf3 0–0–0 12.Nd4 Be4 13.0–0 Re8+= ) 11.Nf3 Bd5 12.0–0 0–0–0 13.d4 Nh6–/+; B) 9...Bd6 B1) 10.Ne2 a6 (10...0–0–0 11.0–0 Ne7 12.Nf4 Bf4 13.Rf4 Nd5+= ) 11.Ba4 a5 12.Nd4 Be4 13.0–0 ab4–/+; B2) 10.Nf3 0–0–0 (10...a6 11.Be2 Ne7 12.Nd4 Bb1 13.Rb1 Nd5+= ; 10...Be4 11.c4 Bf3 12.gf3 Bb4 13.a3 Bd6–/+; 10...Ne7 11.c4 c6 12.dc6 bc6 13.c5 Bc5+=) 11.Nd4 Be4 12.0–0 Bd5 13.Na3 Be5–/+; B3) 10.Kf2 0–0–0 (10...a6 11.Be2 0–0–0 12.Nf3 Ne7 13.Nd4 Bb1+= ; 10...Nh6 11.Nf3 0–0–0 12.Re1 Nb6 13.Nd4 Nd5–/+ ) 11.Nf3 Nh6 12.Re1 Nb6 13.Nd4 Nd5–/+; B4) 10.Na3 Ne7 (10...a6 11.Be2 Nb6 12.Nf3 Ne7 13.0–0 Nbd5–/+ ; 10...Be4 11.Kf2 0–0–0 12.Be2 Ne5 13.Nb5 Nd3+= ) 11.Nc4 Nd5 12.Nd6 cd6 13.Ne2 a6–/+; B5) 10.a3 Be4 (10...0–0–0 11.c4 Ne5 12.c5 Bf8 13.Nc3 a6+= ; 10...a6 11.Be2 a5 12.Nf3 ab4 13.cb4 Bb4–/+ ; 10...a5 11.Nf3 Ne7 12.Kf2 ab4 13.ab4 Ra1+=) 11.Nf3 Bd5 12.d4 0–0–0 13.0–0 Nb6–/+; C) 9...0–0–0 C1) 10.Nf3 Bd6 (10...Be4 11.0–0 Bd5 12.d4 Bd6 13.Nbd2 Nh6–/+ ; 10...a6 11.Be2 Re8 12.Nd4 Bg4 13.Kd1 h5+= ; 10...Nb6 11.Nd4 Bg4 12.0–0 Nd5 13.Na3 Nh6–/+; 10...Bg4 11.0–0 Nb6 12.a3 Nd5 13.Re1 Bg7–/+) 11.Nd4 Be4 12.0–0 Bd5 13.Na3 Be5–/+; C2) 10.Ne2 g5 (10...Bd6 11.0–0 Ne7 12.Nf4 Bf4 13.Rf4 Nd5+= ; 10...f3 11.Bd7 Rd7 12.gf3 Rd5 13.d4 Rd8+= ) 11.Nd4 Be4 12.Ne6 Re8 13.0–0 Bd5+=; D) 9...a5 D1) 10.ba5 Be4 (10...Ne7 11.d6 cd6 12.Ne2 d5 13.Nf4 Ra5= ) 11.Kf2 Ra5 12.c4 c6 13.Bc3 Ra8–/+; D2) 10.a3 Be4 (10...Ne7 11.d6 Nd5 12.dc7 Nc7 13.Be2 ab4+= ; 10...Bd6 11.Nf3 Ne7 12.Kf2 ab4 13.cb4 Nd5+= ; 10...ab4 11.cb4 Be4 12.Kf2 Bd5 13.Nh3 Bh6+=) 11.Nf3 Bd5 12.0–0 c6 13.Be2 Bd6+=; D3) 10.Nf3 Be4 (10...ab4 11.0–0 Bc5 12.d4 bc3 13.Nc3 Ba3–/+ ; 10...Bb1 11.Rb1 ab4 12.Ng5 h6 13.Ne6 Bd6+= ) 11.0–0 Bd5 12.a3 c6 13.Be2 Bd6–/+; D4) 10.Ne2 Bd6 (10...ab4 11.Nf4 b3 12.Na3 Bd6 13.Rf1 ba2+= ; 10...f3 11.gf3 ab4 12.Nd4 Bb1 13.Rb1 bc3= ; 10...Bb1 11.Rb1 ab4 12.Nf4 Bd6 13.Ne6 bc3=) 11.ba5 Ne7 12.c4 c6 13.dc6 bc6+=; E) 9...Be4 10.Nf3 (10.Ne2 Bg2 11.Rg1 f3 12.Kf2 Bd6 13.Nd4 0–0–0–+ ) 10...0–0–0 (10...Bd5 11.0–0 c6 12.Re1 Ne7 13.Be2 0–0–0+=; 10...a6 11.Be2 Bd5 12.0–0 0–0–0 13.d4 Nh6–/+ ; 10...Bd6 11.c4 Bf3 12.gf3 Bb4 13.a3 Bd6–/+ ; 10...Be7 11.0–0 Bd5 12.Nd4 0–0–0 13.c4 Bf7+=) 11.0–0 Bd5 12.d4 Nh6 13.Nfd2 Nf5–/+.

9.Be2 A) 9...Nb6 A1) 10.Nf3 Be4 (10...Nd5 11.Nd4 Bd7 12.a3 Nb6 13.Nb5 Bb5+= ; 10...Bg4 11.a3 Nd5 12.c4 Nb6 13.Nc3 0–0–0+= ; 10...a5 11.ba5 Nd5 12.Nd4 Bb1 13.Rb1 Ra5= ; 10...Bd7 11.a3 Nd5 12.c4 Nb6 13.Nc3 Be6=) 11.0–0 Bd5 12.d3 Bd6 13.c4 Bf3–/+; A2) 10.Na3 0–0–0 (10...Nd5 11.Nf3 a5 12.Nb5 c6 13.Nbd4 Be4+= ) 11.Nb5 a6 12.Nd4 Be4 13.Bf3 Bd5–/+; A3) 10.Bf3 Nc4 11.Bc1 Ne5 12.Be2 Nd3 13.Bd3 Bd3–/+; A4) 10.b5 Nd5 (10...Be4 11.Kf2 Bd5 12.Ba3 Ne7 13.Nh3 g5+= ) 11.Nf3 0–0–0 12.Ba3 Nh6 13.0–0 Ba3–/+; A5) 10.a3 Be4 (10...Nd5 11.c4 Nb6 12.Nc3 Be6 13.d3 0–0–0+= ; 10...a5 11.ba5 Nd5 12.c4 Nde7 13.Nf3 Nc6+= ; 10...0–0–0 11.c4 h5 12.Nf3 Re8 13.Kf2 Rh7+=; 10...Bd6 11.c4 Be4 12.Kf2 0–0–0 13.Nc3 Be5=) 11.Nf3 Bd5 12.0–0 Nc4 13.Bc4 Bc4+=; B) 9...Be4 B1) 10.Nf3 0–0–0 (10...Bd5 11.0–0 0–0–0 12.Nd4 c5 13.bc5 Bc5–/+ ; 10...Nb6 11.0–0 Bd5 12.Nd4 a5 13.a3 Bd6+= ; 10...a5 11.ba5 Bd5 12.c4 Bf3 13.Bf3 c6=; 10...Bd6 11.0–0 Bd5 12.Nd4 Nb6 13.Nb5 g5+=) 11.0–0 Bd5 12.Nd4 c5 13.bc5 Bc5–/+; B2) 10.Bf3 Bf3 11.Nf3 Nb6 12.Kf2 0–0–0 13.Re1 Nh6–/+; B3) 10.Kf2 Bd5 (10...a5 11.Nh3 ab4 12.Re1 Bc5 13.d4 bc3+= ; 10...0–0–0 11.Nh3 g5 12.c4 h6 13.a3 Bf5+= ; 10...Bd6 11.Na3 a5 12.Nc4 ab4 13.Nd6 cd6+=; 10...Nh6 11.Nh3 Bd6 12.c4 Bb4 13.Nf4 0–0–0=) 11.Nh3 Bd6 12.c4 f3 13.gf3 Be6+=; C) 9...Bd6 C1) 10.Na3 Ne7 (10...Be4 11.Kf2 a5 12.Nc4 ab4 13.Nd6 cd6+= ; 10...Nb6 11.Nb5 Be4 12.Nf3 Bd5 13.d3 Rd8= ; 10...a5 11.ba5 Be4 12.Nf3 Bd5 13.Nb5 Ne5+=) 11.Nc4 Nd5 12.Nd6 cd6 13.a3 Ne5–/+; C2) 10.a3 a5 (10...0–0–0 11.c4 Ne5 12.c5 Bf8 13.Nf3 Nd3+= ; 10...Be4 11.Nf3 a5 12.0–0 Ne7 13.ba5 Bd5+= ; 10...Nb6 11.c4 Be4 12.Kf2 0–0–0 13.Nc3 Be5=) 11.Nf3 ab4 12.cb4 Bb4 13.Nd4 Bb1–/+; C3) 10.Nf3 Ne7 (10...Be4 11.0–0 Bd5 12.Nd4 Nb6 13.Nb5 g5+= ; 10...0–0–0 11.Nd4 Be4 12.Kf2 Bd5 13.Nb5 Ne5+= ; 10...Nb6 11.Nd4 Be4 12.0–0 Bd5 13.Nb5 g5+= ; 10...Bg4 11.a3 Nb6 12.0–0 a5 13.ba5 Nd5=) 11.Nd4 Be4 12.0–0 Be5 13.Nb5 a6+=; D) 9...0–0–0 D1) 10.a3 Ne5 (10...Re8 11.c4 Ne5 12.Kd1 h6 13.Bd4 a6+=; 10...Be4 11.Kf2 Bd5 12.c4 Be6 13.Nf3 Nh6–/+; 10...Nh6 11.Nf3 Re8 12.Nd4 Bg4 13.Kd1 Ne5–/+) 11.d4 Nd3 12.Bd3 Bd3 13.Nf3 Nh6–/+; D2) 10.Nf3 Be4 (10...Re8 11.Nd4 Bg4 12.Kd1 h5 13.Re1 Ne5+= ; 10...Bg4 11.Kf2 Nb6 12.Re1 Nd5 13.Ng5 Nh6+=; 10...Ne5 11.Ne5 fe5 12.c4 Re8 13.a3 Nf6+=) 11.0–0 Bd5 12.Nd4 c5 13.bc5 Bc5–/+.

9.Ne2 Bd6+= A) 10.Na3 Ne7 (10...Nb6 11.Nd4 Be4 12.0–0–0 0–0–0 13.d3 Bd5=; 10...Be4 11.Nc4 f3 12.Nd6 cd6 13.Nf4 Nb6+=) 11.Nd4 Nb6 12.c4 Bb4 13.Nab5 Kd7+=; B) 10.Nd4 Ne7 (10...Be4 11.c4 Bb4 12.Ne6 Rc8 13.a3 Bf8=) 11.Na3 Nb6 12.c4 Bb4 13.Nab5 Kd7+=.

9.Kf2 A) 9...Nh6 A1) 10.Nf3 Be4 (10...Ng4 11.Kg1 Be4 12.Nd4 Bd5 13.c4 Bf7–/+ ) 11.Nd4 Bd5 12.c4 Ng4 13.Kg1 Bf7–/+; A2) 10.d4 0–0–0 (10...Nb6 11.Bb5 Kd8 12.Nd2 Ng4 13.Kf3 a6–+ ; 10...Ng4 11.Kf3 Ne3 12.Nd2 0–0–0 13.Kf4 Bh6–/+ ; 10...Bd6 11.Be2 Nb6 12.Na3 Nd5 13.Nb5 Ng4–/+; 10...a5 11.ba5 Ng4 12.Kf3 Ne3 13.Nd2 Nc2–/+) 11.Ne2 Ng4 12.Kg1 Ne3 13.Na3 Nd5–+; A3) 10.Ne2 Bd6 11.Na3 Nb6 12.Nb5 Nd5 13.Nd6 cd6+=; B) 9...Be4 B1) 10.Ne2 g5 (10...Bd6 11.c4 Bb4 12.Nf4 Rc8 13.Ne6 Ne5+= ; 10...f3 11.gf3 Bd5 12.d4 0–0–0 13.Nf4 Bf7+=; 10...Bd5 11.Nf4 Bf7 12.d4 0–0–0 13.Na3 g5+=) 11.Nd4 Bd5 12.c4 Bf7 13.Nb5 Kd8–/+; B2) 10.Nh3 Bd5 (10...Bh6 11.c4 Bf5 12.Ng1 0–0–0 13.Ne2 Ne7= ; 10...f3 11.gf3 Bd5 12.Bb5 Bd6 13.c4 c6= ; 10...Bd6 11.Na3 Bf5 12.Re1 Ne7 13.Nc4 Bh3=) 11.Nf4 Bf7 12.d4 0–0–0 13.Nd2 Bh6+=; C) 9...Bd6 C1) 10.Nf3 a5 (10...Nh6 11.Na3 a5 12.ba5 Ng4 13.Kg1 Ra5+= ; 10...Ne7 11.Nd4 Bb1 12.Rb1 Nd5 13.Re1 Ne5+=; 10...0–0–0 11.Na3 Ne5 12.Nb5 Nd3 13.Bd3 Bd3+= ; 10...Be4 11.Na3 Bd5 12.Nb5 Nb6 13.d3 Na4=) 11.Bb5 Ne7 12.Re1 ab4 13.cb4 Kf7–/+; C2) 10.Na3 Ne7 (10...a5 11.b5 Nc5 12.Nc4 Be7 13.Ba3 Ne4+= ; 10...Nb6 11.Re1 Kd8 12.Nc4 Nd5 13.Nd6 cd6=; 10...Nh6 11.Nb5 Ng4 12.Ke1 Kd8 13.Nd6 cd6+=) 11.Nb5 Nd5 12.Re1 Kd8 13.Nd6 cd6+=; C3) 10.a3 a5 (10...0–0–0 11.Nf3 Nh6 12.c4 Ne5 13.Ne5 fe5+= ; 10...Nh6 11.Nf3 0–0–0 12.c4 Ne5 13.Ne5 fe5+= ; 10...Ne5 11.Bb5 Bd7 12.Be2 Nh6 13.c4 0–0–0+= ; 10...h5 11.c4 0–0–0 12.c5 Be7 13.Nf3 Nh6+= ) 11.Bc4 ab4 12.cb4 Nh6 13.Nf3 Ng4–/+; C4) 10.Be2 a5 (10...Nb6 11.Na3 Nd5 12.Nb5 Kd7 13.Nd6 Kd6+= ; 10...Be4 11.Na3 a5 12.Nc4 ab4 13.Nd6 cd6+= ; 10...Ne7 11.Nf3 Nd5 12.Nd4 Ne7 13.Re1 0–0–0+=; 10...h5 11.Na3 Ne7 12.Nc4 Nd5 13.Bf3 Be6+=) 11.b5 Nc5 12.Nf3 Nd3 13.Bd3 Bd3–/+; C5) 10.Ne2 Nb6 (10...a5 11.b5 Nb6 12.Nd4 Bc5 13.c4 Na4+= ; 10...Ne7 11.c4 Bd3 12.Nd4 Bf1 13.Kf1 a5+= ; 10...Nh6 11.Na3 Nb6 12.Nb5 Nd5 13.Nd6 cd6+=; 10...0–0–0 11.Nd4 Nh6 12.Na3 Ng4 13.Kg1 Be4=) 11.Nd4 Bd7 12.Na3 Nd5 13.Re1 Kd8+=; D) 9...Ne5 D1) 10.d4 Ng4 11.Kf3 0–0–0 12.Bc1 g5 13.Bd2 N8h6–+; D2) 10.Nf3 Nd3 (10...Ng4 11.Kg1 0–0–0 12.Nd4 Rd5 13.c4 Re5+= ) 11.Bd3 Bd3 12.Re1 Kf7 13.Nd4 Bd6–/+; D3) 10.Bc1 Ne7 (10...0–0–0 11.d4 Ng4 12.Kf3 g5 13.Bd2 N8h6–+ ; 10...Ng4 11.Kf3 0–0–0 12.d4 g5 13.Nh3 Re8–/+; 10...Be4 11.Nh3 f3 12.Nf4 g5 13.gf3 Bf3–/+) 11.d6 cd6 12.d4 Ng4 13.Kf3 g5–+; D4) 10.Bb5 Bd7 (10...Kd8 11.Nf3 Ng4 12.Kg1 Bd6 13.Nd4 Be4+= ) 11.Be2 0–0–0 12.d4 Ng4 13.Bg4 Bg4+=; E) 9...Nb6 E1) 10.Bb5 Bd7 (10...Kd8 11.Nf3 Nd5 12.Re1 c6 13.Be2 a5+= ) 11.Bd7 Kd7 12.Nf3 Nh6 13.Re1 Bd6–/+; E2) 10.Nf3 Nd5 (10...0–0–0 11.Nd4 Bg4 12.Ne6 Be6 13.de6 Re8+= ) 11.Nd4 Bd7 12.Bc4 Nge7 13.Re1 0–0–0–/+ ; E3) 10.a3 Nh6 (10...Nd5 11.c4 Nb6 12.c5 Nd5 13.Nc3 Nde7+= ; 10...a5 11.Nf3 Nd5 12.Nd4 Bd7 13.Bd3 ab4+= ; 10...0–0–0 11.c4 Nh6 12.Be2 Nd7 13.Nf3 Ng4+=; 10...Bd6 11.c4 0–0–0 12.Bd4 Be5 13.Nf3 Nh6=) 11.Ne2 Ng4 12.Kg1 Nd5 13.c4 Nb6–/+; E4) 10.Ne2 Nd5 (10...Bd6 11.Nd4 Bd7 12.Na3 Nd5 13.Re1 Kd8+= ) 11.Nd4 Bd7 12.Bc4 Nge7 13.Re1 0–0–0+=.

9.Nf3 A) 9...Be4 A1) 10.Bc4 Nb6 (10...Ne7 11.d6 cd6 12.0–0 Ne5 13.Bb5 Bc6+= ; 10...Bf3 11.gf3 0–0–0 12.Bc1 Bd6 13.d3 Nb6+= ; 10...0–0–0 11.d3 Bf3 12.gf3 Ne5 13.Bc1 g5–/+) 11.Bb5 Kd8 12.0–0 Bd5 13.Be2 a5–/+; A2) 10.Bb5 0–0–0 (10...Bd5 11.0–0 a5 12.a3 c6 13.Be2 Bd6+= ; 10...a6 11.Be2 Nb6 12.0–0 Bd5 13.d3 0–0–0–/+; 10...Bd6 11.c4 Bf3 12.gf3 Bb4 13.a3 Bd6–/+; 10...Nh6 11.0–0 Bd5 12.Nd4 c6 13.Be2 g5+=) 11.0–0 Bd5 12.d4 Bd6 13.Nbd2 Nh6–/+; A3) 10.d4 0–0–0 (10...Bd5 11.Bd3 0–0–0 12.0–0 Re8 13.Bc1 g5+= ; 10...Bd6 11.Nbd2 Bd5 12.Nc4 Be7 13.Bd3 Nh6+= ; 10...a5 11.ba5 Bd5 12.Be2 c6 13.0–0 Ra5= ; 10...Ne7 11.Nbd2 Bf3 12.Nf3 Nd5 13.Kf2 0–0–0+=) 11.Bc1 g5 12.Bb5 a6 13.Be2 Re8–/+; A4) 10.Be2 0–0–0 (10...Bd5 11.0–0 0–0–0 12.Nd4 c5 13.bc5 Bc5–/+ ; 10...Nb6 11.0–0 Bd5 12.d3 0–0–0 13.Nd4 c5–/+ ; 10...a5 11.ba5 Bd5 12.c4 Bf3 13.Bf3 c6= ; 10...Bd6 11.0–0 Bd5 12.Nd4 Nb6 13.Nb5 g5+=) 11.0–0 Bd5 12.Nd4 c5 13.bc5 Bc5–/+; B) 9...Nb6 B1) 10.Nd4 Bd7 (10...Bg4 11.Bb5 Bd7 12.0–0 Nd5 13.Re1 Nge7+= ; 10...Bb1 11.Rb1 Nd5 12.Bc4 c6 13.Ne6 Bd6=) 11.Bd3 0–0–0 12.0–0 Nd5 13.Be4 Nb6–/+; B2) 10.a3 Nd5 (10...0–0–0 11.c4 Re8 12.Kf2 Nh6 13.h3 Be7= ; 10...a5 11.Nd4 Bd7 12.ba5 Na4 13.Bc1 Ra5= ; 10...Bd6 11.c4 0–0–0 12.c5 Na4 13.Bd4 Be7+=; 10...Be4 11.c4 Bf3 12.gf3 Bg7 13.Bd4 Nh6=) 11.c4 Nb6 12.c5 Na4 13.Bb5 Bd7+=; C) 9...Ne7 C1) 10.c4 h5 (10...Bg4 11.Ng5 Ne5 12.Ne4 Bg7 13.d4 Nf7=; 10...0–0–0 11.Be2 Re8 12.Nc3 Ne5 13.Ne5 fe5=; 10...c6 11.dc6 Nc6 12.a3 0–0–0 13.d4 Bg7=; 10...a5 11.Na3 c6 12.ba5 Ra5 13.Nd4 Nd5=) 11.Ng5 Bg7 12.Be2 c6 13.d6 Nc8+=; C2) 10.d6 cd6 11.Nd4 0–0–0 12.Bb5 a6 13.Be2 Re8+=; C3) 10.Kf2 Nd5 (10...a5 11.Bc4 Nb6 12.Bb5 Bd7 13.ba5 Ra5+= ; 10...0–0–0 11.c4 Re8 12.Nc3 Ne5 13.Nb5 Ng8= ; 10...Bg4 11.c4 0–0–0 12.Ng5 Nf5 13.Ne6 Bb4=; 10...h6 11.Nd4 Bb1 12.Rb1 Nd5 13.Bc4 c6+=) 11.Nd4 Bg4 12.h3 Bh5 13.a3 c6–/+; C4) 10.Bc4 0–0–0 (10...Be4 11.d6 cd6 12.0–0 Ne5 13.Bb5 Bc6+= ; 10...a6 11.Bb3 Bd3 12.c4 0–0–0 13.Nd4 Re8+= ; 10...a5 11.0–0 Nb6 12.Be2 Ned5 13.ba5 Nd7+=) 11.Bb3 Bd3 12.d6 cd6 13.Nd4 Nf5–/+; C5) 10.Nd4 Bb1 (10...0–0–0 11.c4 Re8 12.Be2 Be4 13.0–0 Nf5= ) 11.Rb1 Nd5 12.a3 Ne5 13.c4 Nb6+=; D) 9...a5 D1) 10.b5 0–0–0 (10...Be4 11.c4 0–0–0 12.Ng5 Re8 13.Ne4 Re4= ; 10...Nb6 11.c4 0–0–0 12.Bd4 Re8 13.Kf2 Nh6= ) 11.Be2 Nc5 12.Ba3 Nd3 13.Bd3 Bd3+=; D2) 10.Nd4 Bb1 (10...Be4 11.c4 Ne5 12.Ne6 Kd7 13.Be5 fe5+= ; 10...Ne7 11.ba5 Ra5 12.c4 Bb1 13.Rb1 Ra2= ) 11.Rb1 ab4 12.Ne6 Bd6 13.cb4 Nb6+=; D3) 10.ba5 Ra5 (10...Bb1 11.Rb1 Ra5 12.Bc1 b6 13.Bc4 Ne7= ; 10...Bd6 11.Na3 Ne5 12.Nb5 Ra5 13.Ne5 fe5=; 10...Ne7 11.c4 Ra5 12.Nc3 Ra6 13.Nb5 Kd8+=) 11.c4 Bb1 12.Rb1 Ra2 13.d4 b6+=; E) 9...0–0–0 E1) 10.Bb5 Bd6 (10...a6 11.Be2 Re8 12.Nd4 Bd3 13.Ne6 Be2–/+ ; 10...Be4 11.0–0 Bd5 12.d4 Bd6 13.Nbd2 Nh6–/+; 10...Nb6 11.0–0 Nd5 12.Nd4 Bd7 13.a3 c5–/+; 10...Bg4 11.0–0 Nb6 12.Nd4 Nd5 13.Na3 Nh6–/+) 11.Nd4 Be4 12.0–0 Bd5 13.Na3 Be5–/+; E2) 10.a3 Nh6 (10...Re8 11.Kf2 Nh6 12.Nd4 Be4 13.c4 Ng4+= ; 10...Bd6 11.c4 Re8 12.Kf2 Nh6 13.Nc3 Be7= ; 10...Be4 11.c4 Bf3 12.gf3 Kb8 13.Bh3 Ne5=; 10...h5 11.c4 Re8 12.Kf2 Ne5 13.Nc3 h4+=) 11.Be2 Re8 12.Nd4 Bg4 13.Kd1 Nb6–/+; E3) 10.Nd4 Be4 (10...Re8 11.Be2 Bg4 12.Kd1 h5 13.Re1 Ne5+= ) 11.c4 Bb4 12.a3 Ba5 13.Nc3 Nc5–/+; E4) 10.d3 Nb6 (10...Re8 11.Kf2 Nb6 12.Nd4 Bd7 13.Nd2 Nd5–/+ ; 10...Ne5 11.Ne5 fe5 12.a3 Rd5 13.c4 Rd7–/+ ; 10...Nh6 11.Be2 Nb6 12.Nd4 Nd5 13.0–0 c5–/+; 10...Bg4 11.Kf2 Ne7 12.c4 Nf5 13.a3 Ne3+=) 11.Nd4 Re8 12.Kf2 Bd7 13.Be2 Nd5–/+; E5) 10.Be2 Be4 (10...Re8 11.Nd4 Bg4 12.Kd1 h5 13.Re1 Ne5+= ; 10...Bg4 11.Kf2 Nb6 12.h3 Bh5 13.Re1 Nd5–/+ ; 10...Ne5 11.Ne5 fe5 12.c4 Re8 13.a3 Nf6+=) 11.0–0 Bd5 12.Nd4 c5 13.bc5 Bc5–/+.

4.Qh5 g6

5.Qe2 A) 5...Bb4? 6.Qb5 Nc6 7.ed5+– (worse is 7.Qd5 Qd5 8.ed5 Nd4+=); B) 5...Nc6 6.b5 Nd4 7.Bd4 ed4 8.ed5 Ne7 9.Qc4 Qd5=; C) 5...Ne7 C1) 6.f4 de4 (6...d4 7.Nf3 Bg7 8.Qc4 Qd6 9.a3 Nbc6=; 6...Nbc6 7.fe5 Ne5 8.Be5 fe5 9.ed5 Bg7=; 6...Nec6 7.b5 Nb4 8.d3 de4 9.de4 Bg4+=) 7.Qe4 Nbc6 8.fe5 Bf5 9.Qc4 Ne5+=; C2) 6.Nf3 de4 (6...Nbc6 7.b5 de4 8.Qe4 Bf5 9.Qc4 Na5=; 6...Bg4 7.h3 Be6 8.ed5 Qd5 9.Nc3 Qd7=) 7.Qe4 Nec6 8.a3 Bf5 9.Qc4 Nd7=; C3) 6.a3 Nbc6 (6...de4 7.Qe4 Nbc6 8.Nf3 Bf5 9.Qh4 g5=; 6...Bg7 7.ed5 Nd5 8.d4 Nc6 9.de5 fe5+=; 6...d4 7.Qf3 Bg7 8.Bc4 Nd7 9.Qb3 Rf8=) 7.b5 Nd4 8.Bd4 ed4 9.Nf3 Bg7+=; C4) 6.d4 Nbc6 (6...ed4 7.Bd4 Kf7 8.Bc3 d4 9.Bb2 Nec6=; 6...Nec6 7.de5 d4 8.ef6 Bb4 9.c3 dc3=; 6...de4 7.de5 f5 8.Nc3 Be6 9.Rd1 Qc8=; 6...Nd7 7.de5 fe5 8.Nf3 Bg7 9.ed5 Nd5+=) 7.de5 fe5 8.Nf3 Bg4 9.ed5 Nd5=; D) 5...Nd7 D1) 6.ed5 Bb4 7.Qe4 Bd6 8.d4 f5 9.Qe2 e4=; D2) 6.Nf3 Bb4 (6...Nh6 7.ed5 Bb4 8.Nd4 Qe7 9.a3 Bd6=) 7.ed5 Ne7 8.Qb5 Bc5 9.Nc3 c6=; D3) 6.f4 Qe7 (6...de4 7.Qe4 Qe7 8.fe5 Ne5 9.Be5 Qe5+=; 6...d4 7.fe5 Ne5 8.Nf3 Bg4 9.a3 a5+=; 6...Bb4 7.fe5 fe5 8.ed5 Ngf6 9.c4 0–0+=) 7.a3 de4 8.Qe4 ef4 9.Qe7 Ne7+=; D4) 6.a3 a5 (6...de4 7.Qe4 a5 8.Nf3 ab4 9.ab4 Ra1=; 6...Nb6 7.ed5 Na4 8.Bc3 Qd5 9.f4 a5=; 6...d4 7.Nf3 a5 8.c3 dc3 9.dc3 ab4=; 6...Ne7 7.d4 Bg7 8.ed5 Nd5 9.Nf3 Nf4=) 7.ed5 ab4 8.d4 ba3 9.Na3 Ra5=; E) 5...Be6 E1) 6.Qb5 Nc6 7.a3 de4 8.Qb7 Nge7 9.Bb5 Bd7=; E2) 6.a3 Nc6 (6...de4 7.Qb5 Nc6 8.Qb7 Nge7 9.Bb5 Bd7=) 7.Nf3 de4 8.Qe4 a6 9.Bc4 Bf5=; E3) 6.Nf3 Nc6 (6...de4 7.Qe4 Bd5 8.Qe2 Nc6 9.a3 Nge7=; 6...Ne7 7.ed5 Qd5 8.Nc3 Qd7 9.Ne4 Bg7+/–; 6...Be7 7.ed5 Qd5 8.b5 a6 9.Nc3 Qd7=) 7.ed5 Qd5 8.b5 e4 9.Nc3 ef3=; E4) 6.f4 Nc6 (6...de4 7.Qe4 Nc6 8.Bb5 Qd5 9.Qd5 Bd5=; 6...ef4 7.Nc3 d4 8.Nd5 Nc6 9.Nf4 Bf7=) 7.b5 Nb4 8.d4 de4 9.fe5 f5+=; E5) 6.ed5 Qd5 (6...Bd5 7.f4 Bb4 8.fe5 f5 9.Nc3 Bc3=) 7.Nf3 Nd7 8.c4 Qc6 9.b5 Qb6=; F) 5...de4 F1) 6.a3 Nc6 (6...a5 7.Qe4 ab4 8.ab4 Ra1 9.Ba1 c6+=; 6...Ne7 7.Qe4 Nbc6 8.Nf3 Bf5 9.Qh4 g5=; 6...Bd6 7.Qe4 Nc6 8.Bb5 Nge7 9.Nf3 a6=; 6...Bf5 7.Nc3 a5 8.ba5 Nc6 9.Ne4 Qd5+=) 7.Qe4 Bf5 8.Qc4 Nd4 9.Bd4 Qd4+=; F2) 6.Qe4 Ne7 (6...c6 7.Nf3 Bf5 8.Qe2 Bc2 9.Ne5 Qe7=; 6...Nc6+= 7.Bb5 Nge7 8.Qf3 Kf7 9.a3 Be6+=; 6...Be7 7.Nf3 Nc6 8.Bb5 Bd7 9.a3 a5=; 6...Qd6 7.b5 Qb6 8.Nf3 Bf5 9.Qe2 Nd7=) 7.f4 Nbc6 8.fe5 Bf5 9.Qc4 Ne5+=.

5.Qf3 a6 6.ed5 Bb4 7.a3 Ba5 8.Nc3 Nd7 9.Bc4 Nb6=.

5.Qf3 Bb4 A) 6.Qb3 a5 (6...Qd6 7.ed5 Ne7 8.a3 Bc5 9.Nc3 Nd7=; 6...Bc5 7.ed5 Ne7 8.Nc3 Nf5 9.Nf3 Nd7=; 6...Bd6 7.Qd5 Ne7 8.Qb3 Nbc6 9.Nf3 Rf8=; 6...Ba5 7.ed5 Ne7 8.Bc4 a6 9.Bc3 Bb6=) 7.ed5 Ne7 8.a3 Bd6 9.Bb5 Nd7+=; B) 6.ed5 Qd6 (6...Nh6 7.Bb5 Bd7 8.Bd7 Nd7 9.Ne2 Nb6=; 6...a6 7.a3 Ba5 8.Nc3 Nd7 9.Bc4 Nh6=; 6...Nd7 7.Qb3 Bd6 8.Nf3 Ne7 9.d4 e4=; 6...c6 7.Bc4 Bc5 8.Ne2 Nh6 9.d4 Bb4+=) 7.a3 Bc5 8.Nc3 Bf5 9.d3 Na6=.

5.Qf3 Nc6 6.Bb5 de4 (6...Bd7 7.a3 de4 8.Qe4 Nge7 9.f4 Bf5=; 6...Be6 7.Ba3 Qd7 8.Nc3 de4 9.Qe4 Nge7+=; 6...Qd6 7.ed5 Qb4 8.Qb3 a6 9.Qb4 Bb4=) 7.Qe4 Nge7 8.Qf3 Bg7 9.Ne2 Be6+=.

5.Qf3 de4 6.Qe4 Ne7 (6...c6 7.f4 Bf5 8.Qe2 Bb4 9.fe5 Qb6+=; 6...Nc6 7.Bb5 Nge7 8.Qf3 Bg7 9.Ne2 Be6+=; 6...Be7 7.Nf3 Nc6 8.Bb5 Bd7 9.a3 a5=; 6...Qd6 7.b5 Qb6 8.Nf3 Bf5 9.Qe2 Nd7=) 7.f4 Nbc6 8.fe5 Bf5 9.Qc4 Ne5+=.

5.Qf3 Be6+= 6.Qb3 (6.a3 Nc6 (6...a5 7.b5 Bc5 8.ed5 Bd5 9.Qe2 Ne7=; 6...Bg7 7.ed5 Bd5 8.Qe2 Ne7 9.Nf3 Nbc6+=; 6...a6 7.d4 ed4 8.Ne2 Nc6 9.Nd4 Nd4=; 6...de4 7.Qe4 Nc6= 8.Nf3 a6 9.Bc4 Bf5=) 7.Bb5 Qd6 8.Nc3 d4 9.Na4 a6+=; 6.b5 c6 (6...Bc5 7.ed5 Bd5 8.Qe2 Nd7 9.d4 Bb4=; 6...a6 7.d4 Bb4 8.c3 Bf8 9.de5 fe5=; 6...d4 7.c3 Nh6 8.cd4 ed4 9.Ne2 c5=; 6...de4 7.Qe4 Bd5 8.Qe2 Nd7 9.Nc3 Be6=) 7.d4 Nd7 8.Nd2 Qb6 9.Qe2 de4=; 6.Ne2 Bb4 (6...Nc6 7.a3 de4 8.Qe4 Qd7 9.b5 Nd8=; 6...de4 7.Qe4 Bd5 8.Qd3 Bb4 9.Qb5 Nc6+=; 6...Be7 7.a3 de4 8.Qe4 Nc6 9.f4 Bf5=; 6...c6 7.a3 de4 8.Qe4 Bd6 9.d4 Bf5+=) 7.Qb3 Nc6 8.a3 Ba5 9.Qb7 Nge7–/+; 6.Qe2 de4 (6...Nc6 7.b5 Nb4 8.d4 de4 9.de5 f5=; 6...c6 7.ed5 cd5 8.f4 e4 9.a3 Bd6=; 6...Kf7 7.ed5 Qd5 8.b5 a6 9.Nc3 Qd7=; 6...a6 7.ed5 Qd5 8.a3 Nc6 9.Nf3 Qd7+=) 7.a3 Nc6 8.Qe4 Nd4 9.Bd4 Qd4+=) 6...Qd6 (6...Qd7 7.ed5 Bd5 8.c4+= Be6 9.Nf3 Nc6+=; 6...Nc6 7.b5 Nce7 8.Nc3 Qd7 9.ed5 Nd5+=; 6...Ne7 7.f4 Nbc6 8.Ne2 Qd7 9.b5 Na5+=; 6...Bf7 7.ed5 Bd5 8.Bc4 Bc4 9.Qc4 Qd6=) 7.ed5 Bd5 8.c4 (8.Qa4 Qd7 9.Qd7 Nd7+=) 8...Be6 9.b5 (9.Nf3 Nc6 10.c5 Qd5+=) 9...Nd7 10.Be2 (10.Nf3 Nc5 11.Qa3 Bg4+=) 10...Bg7 (better is 10...Nc5!? 11.Qa3 Bf5–/+) 11.Nf3= Ne7 (11...0–0–0 12.Qe3 Kb8 13.Ba3=) 12.0–0 (12.Ba3 c5 13.bc6 Qc6 14.d4 ed4 15.Nd4+/–) 12...0–0 (12...Nc5 13.Qa3 Nf5 14.Rd1=) 13.Nc3 (better is 13.Ba3 Nc5 14.Qe3+=) 13...Nc5+= 14.Qb4 (14.Qc2 Bf5 15.Qc1 Nd3+=) 14...e4–/+ 15.Ne1 f5 16.Rd1 Be5 17.h3 a5 18.Qa3 Nc8 19.Nc2 (19.d3!? ed3 20.Nd3 Nd3 21.Rd3 Qa3 22.Ba3 Bc4 23.Re3 Be2 24.Ne2+=) 19...Nb6–/+ 20.Nd5 (20.f4 ef3 21.Rf3 Nc4 22.Bc4 Bc4–/+) 20...Bb2 21.Qb2 Nd5 22.cd5 Qd5 23.Qc3 (23.a3 Nd3 24.Bd3 Qd3–/+) 23...Nd3 (23...Na4 24.Qa3 Nb6 25.Qc3–+) 24.Nd4–/+ Nf4 25.Rfe1 Bf7 26.d3 (26.Qc7 Nh3! 27.gh3 Qd4 28.a3–/+) 26...e3+= 27.Bf3 ef2 28.Kf2 Qa2 29.Rd2 Qa4 30.Bb7 Rae8 (30...Rab8 31.Bc6 Rfd8 32.Ne2–/+) 31.Ra1+= Qb4 32.Qb4 ab4 33.Rb1 Bd5 34.Bc6 Rb8 35.Rb4 Bg2 36.Kg3 (36.Bg2 A) 36...Ng2? 37.Nc6+– (37.Kg2?! c5=); B) 36...c5 37.Rc4 cd4 38.Rd4 g5=) 36...Bc6+= 37.Nc6 Nh5 38.Kf3 Rb7 39.d4 (39.Na5 Rb6–/+) 39...Nf6–/+ 40.h4 (40.Re2 Ne4–/+) 40...Nd5 (40...Re8 41.Rb3–/+) 41.Rb3 Re8 42.Rc2 (42.Ne5 Reb8 43.Rdb2 Kg7–/+) 42...Re4 43.Rh2 Kg7 44.Kg3 (44.Rh1 Kh6–+) 44...Kh6 45.h5 (45.Kf2 Kh5–+) 45...g5 46.Nd8 Rb6 47.Nf7 Kg7 48.Ng5 (48.Ne5–+) 48...Rg4 (48...Rg4 49.Kf2 Rg5–+) 0–1. Tidemalm,Gustav – Svensson,Olle V, corr SSKK Sweden, 1986.

5.Qh4 Bb4 6.ed5 (--> 4.ed5 Bb4 5.Qh5 g6 6.Qh4).

5.Qh4 d4 A) 6.a3 Be7 (6...a5 7.b5 Be6 8.f4 Nd7 9.Nf3 Nc5=; 6...c5 7.Bc4 cb4 8.ab4 Qc7 9.Bg8 Rg8=; 6...Bh6 7.Bc4 Bg5 8.Qg3 Ne7 9.Nh3 Bh3+=; 6...Be6 7.f4 Nd7 8.Nf3 Be7 9.Be2 g5=) 7.Bc4 Nc6 8.Qg3 Qd6 9.Nf3 Be6=; B) 6.Bb5 Bd7 (6...Nd7 7.c3 dc3 8.dc3 a5 9.a3 c6=; 6...c6 7.Bc4 Nh6 8.c3 dc3 9.Bc3 Nf7=) 7.Bd7 Nd7 8.a3 a5 9.b5 d3+=; C) 6.b5 a6 (6...Be6 7.f4 Nd7 8.Nf3 Nc5 9.fe5 fe5=; 6...Be7 7.Bc4 a6 8.a4 ab5 9.ab5 f5=; 6...Nd7 7.Bc4 Nc5 8.Ba3 Be7 9.Bc5 Bc5=; 6...c6 7.c3 dc3 8.Bc3 Bc5 9.Bc4 h6=) 7.c3 dc3 8.Nc3 Be6 9.Nf3 c6=; D) 6.c3 dc3 (6...c5 7.bc5 dc3 8.Nc3 Bc5 9.Bc4 h5+=; 6...Be7 7.Bc4 Nc6 8.Bd5 Qd6 9.b5 dc3+=; 6...a5 7.cd4 ed4 8.b5 Be6 9.Nf3 Bc5=; 6...Be6 7.cd4 ed4 8.Nf3 c5 9.Bb5 Nc6=) 7.dc3 a5 8.a3 ab4 9.cb4 c5=.

5.Qh4 de4 6.Qe4 Nc6 (6...c6 7.f4 Bf5 8.Qe2 Bb4 9.fe5 Qb6+=; 6...Ne7 7.f4 Nd5 8.fe5 f5 9.Qd3 Qh4=; 6...Be7 7.Nf3 Nc6 8.Bb5 Bd7 9.a3 a5=; 6...Qd6 7.b5 Qb6 8.Nf3 Bf5 9.Qe2 Nd7=) 7.Bb5 Nge7 8.Qf3 Kf7 9.a3 Be6+=.

5.Qh4 Nc6

6.a3 de4 (6...Be6 7.b5 Nce7 8.d4 de4 9.de5 f5=) 7.Qe4 Bf5 8.Qc4 Nd4 9.Bd4 Qd4+=.

6.b5 Nb4 (6...Nd4 7.Bd4 ed4 8.Bd3 de4 9.Qe4 Qe7=) 7.Na3 de4 8.Qe4 Nd5 9.Bc4 Nge7+=.

6.Bb5 Bb4 7.ed5 Qd5 8.Qb4 Qg2 9.Ba3=.

6.Bb5 Bb4 7.Nf3 Be7 8.ed5 Qd5 9.Nc3 Qd6+=.

6.Bb5 Bd7 7.a3= (worse is 7.ed5 Nb4 8.Bd7 Qd7–/+ (8...Kd7?! 9.Qe4+=)) 7...Nd4 8.Bd7 Qd7 9.Bd4 ed4 10.Nf3 0–0–0 11.ed5 Qd5 12.0–0 g5 13.Qg4 f5 (13...Qd7!? 14.Qd7 Rd7=) 14.Qg5+= Ne7 15.Nh4 (15.Re1!?+/–) 15...Qf7= 16.Re1 (16.Qg3 Rg8 17.Qb3 Qb3 18.cb3 Bg7=) 16...Kb8 (16...Rg8 17.Re7 Be7 18.Qf5 Qf5 19.Nf5+=) 17.g3 Rg8 18.Qf4 Qh5 19.Kf1 Rg4 20.Qe5 Nc6 21.Qe6 Be7 (21...f4 22.h3 Rg5 23.Qe2–/+) 22.b5 Rh4 23.gh4 (23.bc6 Rh2 24.Qe7 Rc8 25.cb7 Kb7–+) 23...Qf3 Black prepares d3 24.Qh6 d3 25.Qg7 Bf6 26.Qg1 (26.Qg2 Qg2 27.Kg2 Ba1 28.bc6 dc2–+) 26...Ba1 27.c3 Na5 28.Re3 (28.Qg2 Qf4 29.Qg5 Qd6–+) 28...Qd5 29.Qg3 (29.b6 ab6 30.Qg2–+) 29...f4 (29...f4 30.Rd3 Qb5–+) 0–1. Utegaliyev,Azamat – Sanikidze,Tornike, First Almaty Open, 2016.

5.Qh4 Be6

6.a3 Bh6 (6...Nc6 7.b5 Nce7 8.d4 de4 9.de5 f5=; 6...de4 7.Qe4 Nc6 8.Nf3 a6 9.Bc4 Bf5=; 6...d4 7.f4 Nd7 8.Nf3 Be7 9.Be2 a5+=; 6...c6 7.ed5 cd5 8.d4 Nd7 9.de5 fe5=) 7.Nf3 Bf4 8.Nc3 h5 9.ed5 Bd7–/+.

6.ed5 Qd5 7.Nc3 Qd6 8.Ne4 Qd8 9.f4 Nc6=.

6.ed5 Qd5 7.Nc3 Qd7 8.Bd3 Bf5 9.Bf5 Qf5=.

6.ed5 Qd5 7.c4 Qd7+= 8.Nf3 (8.b5 a6+=) 8...Nc6 9.b5 (9.a3!?–/+) 9...Nb4–+ 10.Qe4 0–0–0 11.Nc3?? (better is 11.Na3–+) 11...Bf5 12.Qh4 g5 13.Qg3 Nc2 14.Kd1 Na1 15.Ba1 (15.Nd5 Nc2–+) 15...g4 16.Nd5 gf3 17.Bc3 Be4 18.Ne3 (18.gf3 Bd5 19.cd5 Qd5 20.Qg4 Kb8–+) 18...fg2 19.Ng2 (19.Bg2 Bg2 20.Qg2 Qd3–+) 19...Bd3 (better is 19...Bh6 20.d3 Ne7 21.Ke1–+) 20.Ne3 (20.Bd3 Qd3 21.Qd3 Rd3–+) 20...Bf1 21.Rf1 Qd3 22.Kc1 (22.Qg4 Kb8 23.Ke1–+) 22...Ba3 (22...Ba3 23.Kd1 Qc3 24.Qg4 Kb8–+) 0–1. Nemeth,Laszlo1 (1985) – Sillye,Kalman (2105), HUN–chT2 Erkel, 2008.

6.ed5 Bd5 7.Nc3 Nc6 8.Nd5 Qd5 9.a3 0–0–0=.

6.Nf3 g5 7.Qh5 Bf7 8.Qg4 h5 9.Qg3 h4–+.

Play 1.b4 at Chessworld.net!

The home of Email Chess on the web!

Chessworld.net on behalf of Marek have set up a continuous stream of 1.b4 tournaments.

These tournaments should always be available to join. As soon as four players are paired, another one will automatically be set up.

    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)

Click on the logo below, visit Chessworld.net, register and play 1.b4 against the whole world!

The home of Email Chess on the web!

The home of Email Chess on the web!