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TESTJ430 Release 2019-03-13
Send your 1.b4 games to me, please. Thank you! /Marek
Marek Trokenheim's homepage
(c) Marek Trokenheim

1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 b6

Table of contents:

(...)

6.a3 Bb7 7.Be2 a5 8.b5 d6 9.0–0 Nbd7 10.d3 e5 11.Nbd2 Nc5 12.Qc2 Qd7 13.Rad1 Qe6 14.e4 Rad8 15.Rfe1 h6 16.Nf1 g5 17.Ne3 Bc8 18.Nd5 Nd5 19.cd5 Qg6 20.a4 f5 21.Nd2 f4 22.f3 h5 23.Ba3 g4 24.Bc5 bc5 25.Nc4 gf3 26.Bf3 Bg4 27.Rf1 Bh3 28.Na5 Qg5 29.Nc6 Ra8 30.a5 Bd7 31.a6 Bc6 32.dc6 Rf6 33.Qe2 h4 34.h3 Rg6 35.Bg4 Qd8 36.Qc2 Qb8 37.Qc4 Kh7 38.Bf5 Kh6 39.Bg6 Kg6 40.Qe6 Bf6 41.Qf5 Kf7 42.Qh7 Ke6 43.Rb1 Ra7 44.Qd7 1–0. bananinha – wrzos33, kurnik, 2012.

6.Qb3 c5 7.a3 d6 8.Be2 Nbd7 9.d3 Bb7 10.Nbd2 Qc7 11.0–0 Rac8 12.Bc3 Rfe8 13.Rfb1 Ba8 14.b5 d5 15.a4 e6 16.a5 Ng4 17.Bg7 Kg7 18.h3 Nge5 19.Ra4 Nf3 20.Nf3 d4 21.Qb2 e5 22.Rba1 Bb7 23.Nd2 Qd6 24.ab6 ab6 25.Ra7 Rc7 26.Bf3 Bf3 27.Nf3 de3 28.fe3 Ra7 29.Ra7 Qd3 30.Qd2 Qd2 31.Nd2 Nf6 32.Rb7 Re6 33.Kf2 e4 34.g4 h6 35.Nb1 Rd6 36.Ke2 Nd7 37.Nc3 Nf6 38.Na4 Nd7 39.Nc3 ½–½. Siegel,Georg – Raupp,Thomas, Mosbach Elo, 1980.

6.b5 a6 7.a4 ab5 (7...Bb7 8.d4=) 8.ab5 Ra1 9.Ba1 Bb7 (9...c6 10.Nc3=) 10.Be2 (10.d4 d5=) 10...c5 (10...d5 11.d4=) 11.0–0 (11.bc6 Nc6 12.0–0 Na5=) 11...d5 12.d4 dc4 13.dc5 (13.Bc4 Ne4=) 13...Qd1 (13...bc5 14.Bc4 Nbd7 15.Ne5=) 14.Rd1+= bc5 15.Ne5 Ne4 (15...Nd5 16.Bc4 Nb6 17.Na3+=) 16.Bc4 (16.f3 Nd6 17.Na3 c3 18.Bc3 Rc8+=) 16...Nd6 17.Na3 Nc4 (17...Rc8 18.Bb3+=) 18.Nac4 (18.Nec4 Ba1 19.Ra1 Rd8+/–) 18...e6 (18...f6!? 19.Na5 Be4+=) 19.Nd6+/– Bd5 20.b6 (20.e4 Bb3 21.Rb1 Be5 22.Be5 c4+/–) 20...Rd8 (better is 20...Be5!? 21.Be5 Nd7+/–) 21.Ndf7+– Rf8 22.Ng5 c4 (better is 22...Bf6 23.f4 Bg5 24.fg5 Rc8+–) 23.e4 Bb7 (23...Be5 24.Be5 (24.ed5?! Ba1 25.Ne6 Bb2 26.Nf8 Kf8+/–) 24...Ba8 25.Bc3+–) 24.Nc4 (24.Ne6?! Be5 25.Be5 Re8+–) 24...Ba1 25.Ra1 Rc8 (25...Nd7 26.h3 (worse is 26.Ne6 Rc8 27.Na5 Be4+–) 26...Rb8 27.Ra7+– (27.Ne6?! Be4 28.Ng5 Bd5+/–)) 26.Nd6 (26.Nd6 Rc5 27.Ne6+–) 1–0. DEFFM – GuestSLDX, freechess.org, 2018.

6.d4 Bb7 7.Nbd2 Ne4 8.Ne4 Be4 9.Be2 (9.Bd3 Bd3 10.Qd3 c5+=) 9...e6 (9...c5 10.bc5 bc5 11.Qd2=) 10.0–0+= d6 11.Nd2 Bb7 12.b5 a6 13.Bf3 Bf3 14.Qf3 Nd7 15.a4 ab5 (15...e5 16.Rfd1+=) 16.ab5 1–0. GuestBVXM – GuestARG, freechess.org, 2017.

6.d4 e6 7.Be2 d6 8.0–0 c5 9.bc5 dc5 10.dc5 Qd1 11.Rd1 Bb7 12.cb6 ab6 13.Nbd2 Ne4 14.Bg7 Kg7 15.Ne4 Be4 16.Nd4 Rd8?? (better is 16...e5 17.Nb5 Na6+/–) 17.f3 (17.Ne6 fe6 18.Rd8 Kf7+–) 17...Bb7 (17...Rd4 18.ed4 Bc6+–) 18.Rdb1 (better is 18.Ne6 fe6 19.Rd8+–) 18...Nd7 19.Kf2 e5 20.Nb5 e4 21.Nd6 ef3? 22.gf3 Bc6+/– 23.e4 Nc5 24.Nb5 Rd2 25.Ke3 Raa2 26.Ra2 Ra2 27.Nc3 Ra3 28.Kd2 Rb3 29.Kc2 Rb1= 30.Nb1 Ba4 31.Kc3 Kf6 32.Na3 Ke5+= 33.Nb5 Kf4 34.Nd6 Ke3 35.Bf1 f6 36.Nc8 Kf3 37.Nb6 Ne4 38.Kd4 Bc6 39.Nc8 h5 40.Ne7= Be8 41.c5 Ng5 42.c6 Kf2 43.c7? Ne6–+ (43...Ne6 44.Ke4 Nc7–+) 0–1. Fournier,Frederic (1810) – dannymath, Active, 2011.

6.Be2 Ba6 7.Nc3+= Bb7 8.0–0 Nc6 9.a3 d6 10.d4 e6 11.h3 d5 12.cd5 ed5 13.Qb3 Re8 14.Bd3 Re7 15.Rac1 Rd7 (15...a6 16.Ne2+=) 16.Ne2 Qe7 (16...Ne4 17.Nf4+=) 17.Nf4 Qd6 18.b5 (18.Qa4 Nd8+/–) 18...Na5 19.Qa2 Qe7 (19...c5 20.dc5 bc5 21.Be5+=) 20.Ne5 Nh5 (better is 20...a6!? 21.Nd7 Qd7 22.ba6 Ba6 23.Ba6 Ra6+–) 21.Nh5+– Be5 22.de5 gh5 23.Bc3 Rad8 (23...Nc4 24.Qc2 Na3 25.Bh7 Kg7 26.Qd3+–) 24.Qb1 Qa3 (24...Nc4 25.Bh7 Kg7 26.e6 d4+–) 25.Bh7 Kf8 (25...Kg7 26.e6 d4+–) 26.Bb4 Qb4 27.Qb4 Re7 28.Rc7 Rde8 29.Qd6 Nc4 30.Qh6 1–0. Janek – Vindo, internet, 2018.

6.Be2 Nc6 7.b5 Na5 8.Nc3=.

6.Be2 d5 7.0–0 dc4 8.Bc4 Nc6 9.a3 Bg4 10.d4 Ne4 11.h3 Bf3 12.Qf3 Ng5 13.Qc6 e5 14.de5 Qc8 15.Rc1 Nh3 16.gh3 Qh3 17.Bf7 Kf7 18.Qd5 Qe6 19.Rc7 1–0. Bonetti,Shane – guest605, ICC, 2002.

6.Be2 e6 7.0–0 d5 8.b5 c5 9.a4 dc4 10.Bc4 Re8 11.Be2 Bh6 12.Ne1 Bd7 13.Bf3 Nd5 14.Nc3 Nc3?? 15.Bc3 e5 16.Ba8 e4 17.d3 f5 18.Bd5 Be6 19.Be6 Re6 20.Qb3 Qe8 21.Rd1 Qf7 22.Qb2 Nd7 23.de4 fe4 24.g3 Ne5 25.Be5 c4 26.Ng2 a5 27.ba6 Qa7 28.Nf4 Bf4 29.Bf4 Qf7 30.Rd8 Re8 31.Re8 Qe8 32.Qb4 Qc8 33.Qb6 c3 34.Rc1 h5 35.Qg6 (35...Kh8 36.Be5) 1–0. valpa – Idris, playchess.de, 2003.

6.h4 c5 7.bc5 bc5 8.h5 Nh5 9.Bg7 Kg7 10.Nc3 Nf6 11.Ne5 Nc6 12.f4 Ne5 13.fe5 Ng8 14.Rb1 d6 15.Qf3 Bf5 16.e4 Be6 17.Qg3 Rb8 18.Rd1 f6 19.ed6 Qd6 20.Qd6 ed6 21.Be2 Ne7 22.0–0 Nc6 23.Rb1 Nd4 24.d3 f5 25.Rfe1 Rb1 26.Rb1 fe4 27.de4 Ne2 28.Ne2 Bc4 29.Nc3 Kf6 30.Rb7 Rf7 31.Rb8 Ke5 32.Rd8 Kd4 33.Nd1 0–1. Pira,Davoud – Vareille,Francois, Festival Saint–Lo, 2000.

6.h4 h5 7.Qc2 Bb7 8.Ng5 d5 9.cd5 Nd5 10.Bg7 Kg7 11.e4 Nf6 12.Qb2 Nc6 13.Nc3 e5 14.Nd5 Nd4 15.Nf6 Qf6 16.Bd3 b5 17.Rc1 Rfc8 18.Rc5 a6 19.a4 c6 20.ab5 cb5 21.0–0 Rc5 22.bc5 Rc8 23.Qc3 Qf4 24.Rc1 Bc6 25.g3 Qg4 26.Qa3 f6 27.Nf3 Nf3 28.Kg2 Nh4 29.Kf1 Nf3 30.Be2 Nd2 31.Ke1 Qe4 32.Qa6 Nf3 33.Kf1 Nh2 34.Ke1 Qb4 35.Kd1 Rd8 36.Kc2 Be4 37.Bd3 Bd3 38.Kd1 Bf1 0–1. guest1276 – guest563, ICS blitz, 2000.

6.a4 c5

7.b5 Bb7 8.Nc3 d5 9.Nd5 Nd5 10.Bg7 Kg7 11.cd5 Qd5 12.Qc2 Nd7 13.Bc4 Qh5 14.Qc3 Kg8 15.Be2 a5 16.0–0 Rac8 17.d3 Rfd8 18.Rfe1 Bf3 19.Bf3 Qe5 20.Rac1 Qc3 21.Rc3 e5 22.Kf1 Nf6 23.Ke2 Rd6 24.Rd1 Rcd8 25.Rc4 Kg7 26.g4 g5 27.Be4 Ne4 28.Re4 f6 29.Rc4 ½–½. Kaeding,Rainer (2225) – Voge,Andreas, Ruhrgebiet VL2–chT, 1996. (=1.c4 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0–0 5.Nf3 b6)

7.b5 d5 8.cd5 Nd5 9.Bg7 Kg7 10.Bc4 Nb4 11.0–0 Nd7 12.d4 Qc7 13.Qb3 a5 14.ba6 Ba6 15.Nbd2 Nc6 16.d5 Nce5 17.Ne5 Ne5 18.Ba6 Ra6 19.f4 Nd7 20.e4 Kg8 21.e5 Qa7 22.Rf2 b5 23.Qb5 Rb8 24.Qd3 Ra4 25.Ra4 Qa4 26.g3 Rb4 27.Nf3 c4 28.Qc2 Qb5 29.e6 fe6 30.de6 Nf6 31.Ne5 Qb6 32.f5 Qb5 33.Nd7 Rb1 34.Kg2 Ng4 35.Qe4 Qb7 (35...Nf2?? 36.Qa8 Qb8 37.Nb8+– (37.Qb8?? Rb8 38.Nb8 c3–+)) 36.Qb7 Rb7 37.f6 Nf6 38.Nf6 ef6 39.Rf6 c3 40.Rf3 Rb2 41.Kh3 Re2 ½–½. Kaeding,Rainer (2160) – Moissidis,Michael (2150), NRW Class1, 2005. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6)

6.Qa4 Bb7

6.Qa4 d6

6.b5 Bb7

7.Be2 a6 8.0–0=.

7.Be2 d5 8.0–0 dc4 9.Bc4 a6 10.a4 c6 (10...c5 11.d4=) 11.Nc3 (11.d4 ab5 12.ab5 Ra1 13.Ba1 cb5 14.Bb5 Qd6=) 11...Nd5 (11...ab5 12.ab5 Ra1 13.Ba1 cb5 14.Nb5 Bf3 15.Qf3 Qd2 16.Bd4=) 12.bc6+= Bc6 13.d4 Nc3 14.Bc3 Qc7 15.Qb3 (15.Rc1 b5 16.ab5 ab5+=) 15...Bf3= 16.gf3 Nd7 (16...e6 17.Rfc1 Rc8 18.Be1+=) 17.Rfc1 (17.Bb4 Nf6+=) 17...Qd6 18.Bb4 (18.f4 Qf6+=) 18...Qf6 19.f4 g5 (19...Rfc8 20.Bd5 Rab8 21.Rc8 Rc8 22.Bb7+=) 20.fg5+/– Qg5 21.Kh1 Qg4 (better is 21...Qf6!?+/–) 22.Rg1+– Qf3 23.Rg2 Rae8?? (better is 23...Nf6+–) 24.Bd5 (24.Ba6?! Kh8 25.Bb5 Bf6+–) 24...Qf6 25.Rag1 1–0. DEFFM – nozqi, freechess.org, 2018.

7.Be2 d6 8.0–0 Nbd7 9.d4 a6 10.a4 (10.Nc3 e5+=) 10...ab5 (10...c5 11.bc6 Bc6 12.Nbd2=) 11.ab5+= Ra1 12.Ba1 Ne4 (12...e5 13.de5 Ne4 14.Nbd2 de5 15.Ne4 Be4 16.Bc3=) 13.Nbd2 Nd2 14.Nd2 Qa8 15.Bf3 (15.d5 e6+=) 15...e5 (15...Bf3 16.Nf3 Qe4 17.Ng5+=) 16.Qc2 ed4 (16...Bf3 17.Nf3 (worse is 17.gf3 ed4 18.Bd4 Bd4 19.ed4 d5+=) 17...c6 18.Qb3+=) 17.ed4 (17.Bd4 Bf3 18.Nf3 Ne5+=) 17...Bh6 (17...Bf3 18.Nf3 (worse is 18.gf3 d5–/+) 18...Re8 19.Bc3+=) 18.Bb7+/– Qb7 19.d5 Nc5 (19...Bf4 20.Re1+/–) 20.Ne4 Ne4 21.Qe4 Qc8 22.Re1 Bg7 23.Bg7 Kg7 24.Qe7 h6 25.f4 Qd8 (25...Qf5 26.Qc7 Qf4 27.Qb6 Qc4 28.Qd6 Qd4 29.Kh1+=) 26.Qd8 (26.g4 Qc8 27.h3 Kg8+/–) 26...Rd8+= 27.Ra1 (27.Re7 Rc8+=) 27...Kf6 (27...f5 28.Kf2+=) 28.Ra7 (28.Kf2 Re8 29.Kf3 Re7+/–) 28...Rc8 29.Kf2 h5 (29...Ke7 30.Ra3+=) 30.Kf3+/– Kf5 31.g3 f6 (31...Kf6 32.h3+/–) 32.h3 g5 33.g4 hg4 34.hg4 Kg6 35.f5 Kf7 36.c5 (36.Ke2 Ke7+/–) 36...dc5+= 37.d6 Ke8 38.dc7 Kd7 (38...c4 39.Ke3 Kd7 40.Rb7+/–) 39.Rb7 Rc7 (39...c4 40.Ke3 Rc7 41.Rb6+–) 40.Rb6 c4 (40...Ke7 41.Ke3+/–) 41.Ke3 (41.Rf6!? Rc5 42.b6 Kc8+–) 41...c3+/– 42.Rf6 c2?? (better is 42...Rc4 43.Rc6! Rg4 44.Rc3 Rb4 45.Rd3 Ke7+/–) 43.Rf7+– Kd6 44.Rc7 Kc7 45.Kd2 c1Q 46.Kc1 Kb6 47.f6 (47.f6 Kb5 48.f7+–) 1–0. DEFFM – GuestJBZQ, freechess.org, 2018.

7.Be2 d6 8.Nc3 Nbd7 (8...e5 9.0–0=) 9.d4 e6 (9...a6 10.0–0=) 10.0–0 Qc8 (10...a6 11.Qc2+=) 11.a4 (11.a3 c5+=) 11...Qd8 (11...c5 12.d5 Qb8 13.Qd2+=) 12.Qc2 (12.a5 ba5 13.Ra5 c5+=) 12...Qe7 (12...c5 13.bc6 Bc6 14.e4+=) 13.Rfe1 (13.a5 ba5 14.Ra5 a6+=) 13...a6 (13...c5 14.bc6 Bc6 15.e4+=) 14.e4 ab5 (14...Rfc8 15.Reb1+=) 15.ab5+/– h6 16.Bd3 Kh7 (16...c6 17.bc6 Bc6 18.Nb5+/–) 17.h3 (better is 17.Qe2+/–) 17...d5? (better is 17...c6!?+=) 18.ed5+– Qb4 (18...Ra1 19.Ra1 Ra8 20.Ra8 Ba8 21.Qe2+–) 19.de6 fe6 1–0. DEFFM – SRBVxx, freechess.org, 2018.

7.Be2 d6 8.d4 a6=.

6.Nc3 Bb7

7.Be2 c5 8.a3 e6 9.Qb3 d6 10.0–0 Nc6 11.d4 cd4 12.ed4 Nh5 13.Rad1 Nf4 14.Bc1 Ne2 15.Ne2 Ne7 16.Bf4 Rc8 17.Rc1 Nf5 18.Rfd1 h6 19.b5 Re8 20.a4 Qe7 21.Re1 g5–/+ 22.Bg3 d5 23.c5 bc5 24.dc5 Ng3 25.hg3 Rc5–/+ 26.Rc5 Qc5 27.Rc1 Qb6 28.Qb4 Rc8 29.Rc8 Bc8 30.a5 Qc7 31.Nfd4 Bf8 32.Qa4 e5 33.Nc6 a6 34.b6 Qd6 0–1. Pyrich,George D (2380) – Canovas Pordomingo,Miguel Angel (2260), Asia/Africa+friends – Rest of the World, 2005.

7.Be2 d6 8.0–0 a6 9.Nd4 (9.d4 Nbd7+=) 9...c5 10.bc5 (10.Nc2 Nc6 11.Bf3 Qd7=) 10...bc5 (10...dc5 11.Nf3=) 11.Nf3 Nbd7 12.Rb1 Qc7 13.d4 cd4 14.ed4 e6 (14...Rab8 15.Qd3=) 15.Ba3 (better is 15.Re1=) 15...Rfd8 (15...Rab8 16.Qd3=) 16.h3 (better is 16.Bd6!? Qd6 17.Rb7+/–) 16...Nb6 (16...Ra7 17.Qd3=) 17.Qb3 Bf3 (17...Nfd7 18.Rfe1=) 18.Bf3 (18.Qb6 Qb6 19.Rb6 Nd7 20.Rd6 Be2 21.Ne2 Bf8=) 18...Rab8 19.c5 (19.Bd6 Qd6 (19...Rd6?! 20.c5=) 20.c5 Qd4 21.cb6 Nd7–/+) 19...Nbd7 (better is 19...dc5!? 20.dc5 Nbd7+=) 20.cd6+= Qa7 (20...Qc8 21.Qc2+=) 21.Qa4 Nb6 22.Qc2 Nc4 23.Bc5+/– Qd7 24.Ne4 Ne4+= 25.Be4 Rb1 26.Rb1 Nd6 27.d5?? Ne4 28.de6?? Qe6–+ 29.Re1 Rc8 30.Re4 Rc5! 31.Qc5 Qe4 32.Qc8 Bf8 33.Qa6 Qe1 34.Kh2 Qf2 35.a4 Qf4 36.Kh1 Bd6 37.Kg1 Bc5 38.Kh1 Qf2 39.Kh2 h5 40.Qc8–+ Kg7 41.Qd7 h4 42.Qd1–+ Qg3 43.Kh1 Bd6 44.Kg1 Qh2 45.Kf1 Qh1 (45...Qh1 46.Ke2 Qg2 47.Kd3 Qh3 48.Kc4 Qe6 49.Kd3 Qd5 50.Ke2 Qd1 51.Kd1 h3–+) 0–1. kiloracer (2225) – pvhameren (2000), net–chess.com, 2006.

6.Nc3 c5

7.a3 Bb7 8.Be2 e6 9.0–0 Qe7 10.b5 d5 11.d4 Rd8 12.Qb3 dc4 13.Qc4 Nbd7 14.Rfd1 cd4 15.ed4 Rac8 16.Qb3 Nd5 17.Nd5 Bd5 (worse is 17...ed5 18.Re1+=) 18.Qd3 Bf3 (18...Nc5 19.Qe3 Na4 20.Qd2–/+) 19.Bf3 Ne5 20.Qe2 Nf3 21.Qf3 Rd5 22.Qe2 Qd7 23.a4 Bd4 24.Bd4 Rd4 25.Rd4 Qd4 26.Qd1 Qd1 27.Rd1 Rc4 28.Ra1 Kf8 29.g3 Rb4 30.Ra2 Ke7 31.Kf1 Kd6 32.Ke2 Kc5 33.Rc2 Rc4 34.Ra2 Kb4 35.Rd2 Rc7 36.Ra2 Rd7 37.Ke3 h5 38.h4 Rd5 39.Ke4 Kb3 40.Ra1 Kb2 41.Re1 Kb3 42.Ra1 Kb4 43.Ra2 Ka5 44.f3 Rc5 45.Kd4 Kb4 46.Kd3 Rc3 47.Ke4 Kb3 (better is 47...Ra3!? 48.Rf2 f6 49.Kd4–+) 48.Ra1 Kb4 49.Rd1?? (49.Ra2 Ra3 50.Rd2–+) 49...Rc7 50.Ra1 Rc5 51.Rb1 Ka4 52.Ra1 Kb5 53.Ra7 Rf5 54.f4 Kb4 55.Ra1 b5 56.Kd3 Rd5 57.Kc2 e5 58.fe5 Re5 59.Rf1 Rf5 60.Re1 Rf2 61.Kb1 Ka4 62.Re3 b4 63.Rd3 Kb5 64.Kc1 Kc4 65.Re3 b3 66.Re7 Rf3 67.Kb1 f5 (worse is 67...Rg3 68.Rc7 Kb4 69.Rb7 Kc3 70.Rc7 Kd2 71.Rd7 Ke2 72.Rf7–+) 68.Rc7 Kd5 69.Rd7 Ke6 70.Rb7 Rg3 0–1. Khrustalev,Alexsander (2000) – Dolbnya,Dmitry (2030), Moscow Petrosian Memorial U18, 2008.

7.b5 d5 8.cd5 Nd5 9.Bc4 Nc3 10.Bc3 Bc3 (10...a6 11.Bg7 Kg7 12.a4=) 11.dc3+= a6 12.ba6 Ba6 (worse is 12...Na6 13.Qd8 Rd8 14.Ne5+=) 13.Ba6 Qd1 14.Kd1 Ra6 15.Kc2 Nd7 16.Rhd1 Nf6 17.Ne5 Rfa8 18.a4 Ra4 19.Rd8 Rd8 20.Ra4 Kf8 21.h3 b5 22.Ra5 Ne4 23.c4 bc4 24.f3 Nf2 (24...Rd2 25.Kc1 Rd5 26.Nc4–/+) 25.Ra3 (25.Rc5!? f5 26.Rc7+= (worse is 26.Rc4 Nd1–/+)) 25...Rd1–/+ 26.Nc4 Rg1 27.Ra2 Rg2 28.Kb3 f5 29.Ne5 Kg7 30.Ka3 c4 31.Nc4 Kf6 32.Kb3 (32.Nb6 Kg5–+) 32...Kg5–+ 33.Ne5 Kh4 34.Ra7 h5 35.Re7 Kh3 36.Re6 g5 37.Rf6 Rg3 38.Rf5 Kg2 39.Nf7 Nh3 40.Ra5 (better is 40.Ne5–+) 40...Kf3 41.Kc4 Ke3 42.Ra3 Kf4 43.Ra6 h4 44.Kd4 Rb3 45.Ra5 g4 46.Rh5 Ng1 47.Kc4 Rb7 0–1. pvanr (2115) – lastcafe (2185), gameknot.com, 2013.

7.b5 d5 8.cd5 Nd5 9.Bc4 e6 10.0–0 Bb7 11.Qe2 Nc3 12.Bc3 Bc3 13.dc3 Qf6 14.Rac1 (14.Rad1 a6=) 14...Rd8 15.Nd2 a6 16.f4 ab5 17.Bb5 Bc6 (worse is 17...Ra2 18.Ne4 Qf5 19.Qa2 Qe4 20.Rcd1 Qe3 21.Qf2 Qf2 22.Kf2+/–) 18.Rc2 Kg7 (18...e5 19.fe5 Qe5 20.Nc4=) 19.a4= Qe7 20.e4 Ra5 21.Rb2 Bb5 22.ab5 Ra3 23.Rc2 Ra5 24.e5+= Qa7 25.Ne4+/– Ra1 26.Nd6 Qa3 27.f5 Rf1 28.Kf1 Qa1 29.Kf2 gf5 30.Qd2+– Kg6 31.Qf4 Qd1? 32.Re2+– Rd6? 33.Qg3 Kh5 34.ed6 Qc1 35.h3 Nd7 36.Qg7 Qf4 37.Kg1 Qg5 38.Qh7 Qh6 39.g4! (39.g4 Kg5 40.Qf7 Qh3 41.gf5+–) 1–0. Recasens Sanchez,JA (2120) – Reina Guerra,Emilio (1905), AEAC W/X COPA/Pr–01, 2008.

6.d3 Bb7

7.Nbd2 d6 8.Be2 Nbd7 9.0–0 e5 10.Qc2 Qe7 11.Rfc1 c5 12.b5 a5 13.Ne1 Rfe8 14.Rd1 Rad8 15.Rac1 Nf8 16.Bf3 Ne6 17.Bb7 Qb7 18.Nef3 Nd7 19.Ne4 Ndf8 20.Nc3 Nc7 21.Qe2 d5 22.cd5 Nd5 23.Qc2 Rd7 24.a3 Red8 25.Ne4 Qb8 26.Ned2 Ne6 27.Nc4 f6 28.Qb3 Kf8 29.h4 Qb7 30.Ne1 Kf7 31.Qc2 Ndc7 32.a4 Nd5 33.Qe2 Nb4 34.Ba3 Nd5 35.Qf3 Kg8 36.h5 Qb8 37.hg6 hg6 38.Qg4 Kf7 39.Nf3 Ne7 40.Ne1 Nd5 41.g3 Ne7 42.Bb2 Nd5 43.Qf3 Kg8 44.Rd2 Ne7 45.Rcd1 Qc7 46.Qg4 Kf7 47.f4 ef4 48.gf4 Rh8 49.Nf3 Rd5 50.Rf1 Nf8 51.e4 Rdh5 52.e5 f5 53.Ng5 Kg8 54.Qf3 Bh6 55.e6 Bg5 56.Bh8 Kh8 57.fg5 Ne6 58.Qe3 Ng5 59.Qe5 Qe5 60.Ne5 Kg7 61.Rh2 ½–½. Kaenel,Hansjuerg (2295) – Albrecht,Rainer (2280), Biel MTO op, 1990.

7.Nbd2 d6 8.Be2 Nbd7 9.0–0 e5 10.Qc2 Qe7 11.Rfd1 Ne8 12.Ne1 f5 13.Bf3 Bf3 14.Nef3 Nef6 15.c5 bc5 16.bc5 Nc5 17.Ne5 Nd5 18.Nc6 Qd7 19.Bg7 Kg7 20.Na5 f4 21.e4 Nf6 22.d4 Ne6 23.Nf3 Qb5 24.Nb3 c5 25.dc5 dc5 26.Rd6 Kf7?? 27.e5 Ne8 28.a4 Qb4 29.Re6! Ke6 30.Nc5 Kf7 31.Rb1 Qa3 32.Qc4 Kg7 33.Ne6 Kg8 34.Nc7 (34.Nc7 Kh8 35.Na8+–) 1–0. Kaenel,Hansjuerg (2350) – Knobel,Rolf (2280), Bern op, 1989.

6.d3 c5

7.a3 e6 8.Nbd2 d5 9.cd5 ed5 10.bc5 bc5 11.Qc2 Nbd7 12.Be2 Re8 13.0–0 d4 14.e4 Nd5 15.Rfc1 Rb8 16.Bf1 Ne3 17.fe3 Rb2 18.Qb2 de3 19.d4 ed2 20.Qd2 cd4 21.Bc4 (worse is 21.Nd4 Nc5 22.Nf3 Qd2 23.Nd2 Ba1 24.Ra1 Ne4+=) 21...Bf6 (21...Re4? 22.Bf7 Kh8 23.Qc2+–) 22.Qf4 (22.Nd4 Qb6 23.Bf7 Kf7–+) 22...Bb7 23.Re1 Ne5 24.Ne5 Re5 25.Rab1 Bc6 26.Rb3 Kg7 27.Rf3 Rc5 28.Bf7 Bg5 29.Qg4 Be3 30.Kh1 Rg5 (30...Qa5 31.Ref1 Bb5 32.Bg6 hg6 33.Rf7 Kh6 34.Qh4 Rh5 35.Qe7 Rh2 36.Kh2 Bf4 37.R1f4 g5 38.Qf6 Kh5 39.Rh7) 31.Qh4 (31.Qe6 Bd7 32.Qa2 Bg4 33.Ree3 de3 34.Qa1 Kh6 35.Re3 Qd2+/–) 31...Qd6? (better is 31...Rd5! 32.Qd8 Rd8+=) 32.Rfe3+– (32.Ree3 de3 33.Bc4 Rh5–+) 32...Rh5 33.Qg3 (33.Qg3 Qg3 34.Rg3 Kf7 35.Rd3+–) 1–0. Rustemov,Alexander (2565) – Slizhevsky,Alexander (2435), RUS–chT2, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.d3 c5)

7.b5 Bb7 8.Be2 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Qc7 12.Nbd2 d6 13.0–0 Nbd7 14.Qc2 Ra8 15.Bc3 Qd8 16.Qb2 Ne8 17.Bg7 Ng7 18.Ra1 Ne8 19.Nb1 d5 20.Nfd2 dc4 21.dc4 Nd6 22.Nc3 Nf6 23.Rd1 Qc7 24.Qc2 Kg7 25.e4 e5 26.f3 Nde8 27.Nf1 Rd8 28.Ne3 Rd1 29.Qd1 Qb8 30.Bf1 Kf8 31.g3 Ke7 32.Bh3 Qd8 33.Qd8 Kd8 34.Kf2 Ng7 35.Ke2 Ne6 36.Be6 fe6 37.Na4 Kc7 38.Nb2 Kd6 39.Nd3 Bc8 40.Nf2 Ng8 41.h4 Bd7 42.Nd3 Nf6 43.Nd1 Be8 44.Nc3 Nd7 45.Ke3 Bf7 46.Nf2 Nf6 47.Ng4 Ng4+= 48.fg4 h6 49.g5 h5 50.g4 Be8 51.Ne2 Bf7 52.Ng3 Ke7 53.Kd3 Kd6 54.Nf1 Be8 55.Nh2 Bf7 56.Nf3 Be8 57.Ke3 Bf7 58.Ne1 Be8 59.Nd3 Bf7 60.Nb2 ½–½. Kaenel,Hansjuerg (2335) – Bichsel,Walter (2315), SUI–ch Switzerland, 1988. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0–0 5.c4 b6)

6.d4 a5

7.b5 c6 8.Nbd2 cb5 9.cb5 Bb7 10.Be2 Ne4 11.Ne4 Be4 12.0–0 d6 13.a4 Nd7 14.Nd2 Bb7 15.Bf3 Rb8 16.Rc1 Nf6 17.Bb7 Rb7 18.Qf3 d5 19.Rc6 e6 20.Rfc1 Qe7 21.Qd1 Qb4 22.Qc2 Re8 23.Ra1 Rf8?? 24.Ba3+– Qd2 25.Qd2 Ne4 26.Qc2 Rd8 27.Rc8 Rbd7 28.Rc1 Nc5 29.Rd8 Rd8 30.dc5 Rc8 31.c6 d4 32.ed4 Bd4 33.Rd1 e5 34.Qc4 Rd8 35.c7 Rc8 36.Rd4 ed4 37.Bd6 Re8 38.g3 Re1 39.Kg2 Rd1 40.c8Q Kg7 41.Be5 f6 42.Q4c7 Kh6 43.Bf4 g5 44.Qh3 Kg6 45.Qch7 1–0. barborski – rryy44, kurnik, 2011.

7.b5 d6 8.Bd3 Bb7 9.Nc3 Nbd7 10.0–0 Re8 11.e4 e5 12.de5 Ng4 13.ed6 Nc5 14.Qc2 Qd6 15.Rad1 Rad8 16.Nd5 Bb2 17.Qb2 Ne4 18.Be4 Re4 19.h3 Ne5 20.Ne5 Qe5 21.Qe5 Re5 22.Ne7 Re7 23.Rd8 Kg7 24.f3 c5 25.Rfd1 Kf6 26.R1d6 Kf5 27.Rb6 Kf4 28.Kf2 Rc7 29.Rb7 Rb7 30.Rd5 Rd7 31.g3 1–0. Fritz 6 – Comet B25, 2003.

6.d4 d5

7.Qb3 c5 8.dc5 bc5 9.b5 Bb7 10.Nbd2 a6 11.a4 Nbd7 12.cd5 Bd5 13.Bc4 Nb6 14.Bd5 Qd5 15.ba6 Ra6 16.a5 Qb3 ½–½. Psakhis – Mikhalchishin, Riga 1985.

7.Nbd2 Nbd7 8.cd5 Nd5 9.Qb3 Bb7 10.Bc4 e6 11.0–0 a6 12.a4 c6 13.b5 c5 14.Rfc1 a5 15.Be2 Rc8 16.Nc4 cd4 17.Bd4 Bd4 18.Nd4 Nc5 19.Qa3 Nb4 20.f3 Bd5 21.Rab1 Qc7 22.e4 Bc4 23.Rc4 Rfd8 24.Qe3 Qe5 25.Rcb4 (better is 25.Rbc1!?=) 25...ab4–/+ 26.Nc6 Qc3 27.Qc3 bc3 28.Bd1? (better is 28.Nd8 c2 29.Rc1–+) 28...Rd7–+ 29.Rc1 Rd2?? (29...Ra8 30.Ne5 Rd4 31.Bc2–+) 30.Kf1?? (better is 30.Ne7 Kg7 31.Nc8+–) 30...Kg7 31.Ne5 (31.Bc2 Ra8 32.Nb4 f5 33.ef5 ef5–+) 31...Nd3 (better is 31...c2 32.Rc2 Rd1 33.Ke2–+) 32.Nd3 Rd3 33.Bc2 Rd2 34.h3 Kf6 35.Kg1 Ke5 36.Kh2 Kd4 37.Kg3 Rc2! 38.Rc2 Kd3 39.Rc1 Kd2 40.Rf1 c2 0–1. Kaenel,Hansjuerg (2405) – Von Allmen,Alain (2220), Winterthur–B, 1996. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0–0 5.c4 b6 6.d4 d5)

7.cd5 Nd5 8.b5 a6 9.e4 Nf4 10.Qd2 Bh6 11.Qc3 Bg7 12.Qe3 Ne6 13.e5 Bb7 14.Nbd2 Qd7 15.a4 Rd8 16.Rc1 c5 17.Nb3 ab5 18.Bb5 Bc6 19.Bc6 Nc6 20.dc5 Qd3 (20...Ra4!? 21.0–0 b5+=) 21.Qd3+= Rd3 22.Nfd2 bc5 23.Nc5 Nc5 24.Rc5 Rad8 25.Rc6 Rd2 26.Rc8 Rd1 27.Ke2 R1d2 28.Ke1 Bh6 29.Rd8 Rd8 30.Rf1 Ra8 31.Ke2 Ra4 32.Kd3 e6 33.Bc3 Bf8 34.Rb1 Bc5 35.f3 h5 36.Rb5 Be7 37.Rb7 Kf8 38.Bd2 Ra3 39.Kc4 Ra4 40.Kd3 Ra3 ½–½. Kempinski,Robert (2595) – Tomczak,J (2560), Chorzow Poland, Men Ch, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6)

6.g3 a5

7.b5 Bb7 8.Nc3 Ne4 9.d4 Nc3 10.Bc3 e5 11.Be2 e4= 12.Nd2 f5 13.0–0 Qg5 14.Qb3 f4 15.c5 Kh8 16.c6 dc6 17.bc6? Bc6–/+ 18.ef4 Rf4 19.Qe6 Bd5 20.Qc8 Rf8 21.Qc7 Nc6 22.Qb6 e3 23.f4 Qe7 24.Nb3 Rfb8–/+ 25.Qc5 Qc5 26.Nc5 Nd4 27.Bd4 Bd4 28.Rad1 Bc5 29.Rd5 Rb2 30.Rc5 Re2 31.a4 Rd8 32.Ra5 Rdd2 33.Ra8 Kg7 34.Ra7 Kh6 35.Rf3 Rg2 36.Kf1? e2–+ 37.Kg2 e1Q 38.Kh3 0–1. Comet B25 – Fritz 6, 2004.

7.b5 Bb7 8.Nc3 e5 9.Bg2 =+.

7.b5 Bb7 8.Be2 Re8 9.0–0 d6 10.Nc3 Qc8 11.d4 Qh3 12.Re1 Nbd7 13.Bf1 Qg4 14.Bg2 Rad8 15.Qe2 c5 16.bc6 Bc6 17.e4 Qh5 18.Qc2 e5 19.Ba3 ed4 20.Nd4 Ne5 21.Ncb5 Bb5 22.Nb5 Nf3 23.Bf3 Qf3 24.Nd6 Qa3=+ 25.Ne8 Ne8 26.Rad1 Bd4 27.e5 Qc5 28.Qe2 Ng7 29.Rb1 Qc6 30.Red1–/+ Ne6 31.h4 Qc7 32.h5 f6 33.hg6 hg6 34.Qg4 Kf7 35.Qh3 Qe5 36.Qh7–/+ Ng7 37.Kf1 Qc5 38.Rbc1 Qf5 39.Qh2 Rh8 40.Qg1 Ne6 41.Rd4? Nd4 42.Rd1 Nf3 43.g4 Qe4 44.Rd7 0–1. EXchess 3.11 – Comet B50, 2004.

7.b5 c6 8.Nc3 cb5 9.Nb5 d5 10.Rc1 Bg4 11.h3 Be6 12.Nc7 Ra7 13.Ne6 fe6 14.Nd4 Qd7 15.d3 a4 16.Bg2 Ra6 17.f4 Nh5 18.Qg4+– a3 19.Ba1 Bd4 20.Bd4 dc4 21.Rc4 e5 22.Be5 b5 23.Rc5 Qg4 24.hg4 Nd7 25.Rb5 Ng7 26.Bd4 Ne6 27.Bd5 Rc8 28.f5 gf5 29.gf5 Rc1 30.Kf2 Rh1 31.fe6 Nf8 32.Bh1 Ne6 33.Bd5 Kf7 1–0. Fritz 6 – EXchess 3.11, 2004.

6.g3 Bb7

7.Bg2 a5 8.b5 d6 9.d4 Nbd7 10.0–0 c5 11.d5 Ng4 12.Bg7 Kg7 13.Nfd2 f5 14.Nf3 Re8 15.Re1 h6 16.e4 fe4 17.Re4 Ndf6 18.Re1 e6 19.h3 Ne5+= 20.Ne5 de5 21.d6 Bg2 22.Kg2 Ra7 23.Qd3 Rd7 24.Rd1 Qa8 25.Kh2 Red8= 26.Nc3 e4 27.Qd2 g5 28.h4 Kg6 29.Na4 Qb7 30.Nc3 e5 31.hg5 hg5 32.Kg1 g4 33.a4 Qa8 34.Ra2 Rh8 35.Qe3+= Rdh7 36.Kf1 Qb7 37.Rad2 Rh1 38.Ke2+– Rd1 39.Kd1 Rd8 40.Kc2 Qd7 41.Kb2 Qf5 42.Nd5 Nd5 43.Rd5 Rd7 44.Rd1 Kf7 45.Kc1 Qf3 46.Qd2 Qa3=+ 47.Qb2 Qa4 48.Qc3 Qb4 49.Qc2 Qa3 50.Kb1 Qf3 51.Kb2 Ke6 52.Qd2 Kf5 53.Qc2=+ a4 54.Ra1 Rd6 55.Ra4 Qd3 56.Ra8 Rd4 57.Ra4 Qd2 58.Qd2? Rd2–+ 59.Kc3 Rf2 60.Ra6 Rf3 61.Kc2 Rg3 62.Rb6 Rg2 63.Kc3 e3 64.Rb8 Ke4 65.Rh8 Rg1 66.Rh2 g3 67.Rh4 (67.Re2–+) 0–1. Doctor? 3.0 – Comet B25, 2004.

7.Bg2 Na6 8.a3 c5 9.b5 Nc7 10.0–0 e6 11.d3 Qe8 12.Nc3 Rd8 13.Re1 d5 14.Qe2 dc4 15.dc4 a6 16.a4 Rd6 17.Rad1 Qd7 18.Rd6 Qd6 19.Nd2 Bg2 20.Kg2 Ng4 21.Rd1 h5 22.Nde4 Qe7 23.Nb1 Bb2 24.Qb2 h4 25.Re1 f5 26.Ned2 hg3 27.fg3 Qh7 28.h3 Nf6 29.Nf3 Kf7 30.Ng5 Ke7 31.Nh7 Nh7 32.Qg7 Rf7 33.Qg6 Nf8 34.Qg5 Kd7 35.Rd1 Nd5 36.cd5 Kc7 37.de6 Ne6 38.Qg8 Rf6 39.Qe8 ab5 40.Rd7 Kc6 41.Qc8 1–0. valpa – unclcarle, playchess.de, 2002.

6.d4 Bb7

7.Nbd2 c5 8.bc5 bc5 9.Rb1=.

7.Nbd2 Ne4 8.Bd3 d5 (8...Nd2 9.Qd2 a5 10.b5+=) 9.cd5+= Nd2 10.Qd2 Bd5 11.0–0 (11.e4 Be6+=) 11...Nd7 (11...Bf3!? 12.gf3 c6=) 12.e4+/– Bb7 13.d5 Bb2 14.Qb2 c6 15.dc6 Bc6 16.Rfd1 Qe8 17.Rdc1 Nf6 18.Qe2 Nh5 19.Qe3 e5 20.Rc3 (20.Rab1 Bb5+/–) 20...Nf4+= 21.Bf1 f6 22.Rac1 Bb5 23.g3 Ne6 24.Bb5 Qb5 25.Rc6 Nc5 26.Rc7 Na6 27.Qh6 Nc7+= 28.Rc7 Rf7 29.Rf7 Kf7 30.Qh7 Ke6 31.Qg6 Rf8 32.Ng5 Kd6 33.h4 Qe8+= 34.Qh6 Qe7 35.Nf3 ½–½. Cruz Alvarez de Ron,D (2200) – Markidis,K (2305), Ikaros Festival, Agios Kirykos GRE, 2007.

7.Bd3 c5 8.b5 e6 (8...cd4 9.ed4 a6 10.a4=) 9.Nbd2 d5 10.Qc2 Nbd7 11.0–0 Rc8 12.Qa4 (12.Rfd1 Qe7=) 12...Rc7 (12...cd4 13.ed4 (worse is 13.Bd4 e5–/+; 13.Qa7? Nc5 14.ed4 Nd3–+; worse is 13.Nd4 Nc5 14.Qc2 Nd3 15.Qd3 dc4–+) 13...dc4 14.Bc4+=) 13.Ne5 (better is 13.Rac1!?=) 13...Ne5+= 14.de5 Ng4 15.cd5 Ne5 16.Be2 Qd5 17.Nf3 Nf3 18.Bf3 Qd7 (18...Qg5 19.h4 Qe7 20.Bg7 Kg7 21.Bb7 Rb7 22.h5–/+) 19.Rad1 (19.Bg7 Kg7 20.Bb7 Rb7+=) 19...Qe7 (worse is 19...Bb2 20.Rd7 Rd7 21.Qa7+/–) 20.Ba3? (better is 20.Bg7 Bf3 21.Bf8+=) 20...Bf3–+ 21.gf3 Qg5 (21...Ra8 22.Rd2–+) 22.Kh1 Rfc8 23.Qc4 Qe7 24.Rg1 Rd7 25.Rdf1 (25.Bc1 Rcd8 26.Rd7 Qd7–+) 25...Rcd8 26.Bc1 Rd3 27.f4 Qb7 28.f3 Qd5 29.Qa4 Rd7 30.Rg5 Qb7 31.Qc2 Rd1! 32.Qg2? Qc7 33.Qe2 Rf1 34.Qf1 Qd6 35.Rg1 Qd3 36.Qd3 Rd3 37.Kg2 Kf8 38.Kf2 Bc3 39.Ke2 Rd7 40.Rg5 f5 41.Rg1 Ke7 42.h3 Kd8 43.a4 Ke7 44.Rg2 Kf7 45.Rg1 Kg7 46.Kf2 Kh6 47.Kg3 Kh5 48.Rh1 Rd3 49.Rf1 Bb4 50.Kf2 Kh6 51.Ke2 Rd7 52.Rg1 Rd8 53.Rg2 Bc3 54.Rg1 Kg7 55.Rg2 Kf6 56.Rg1 h6 57.Rg2 Rd7 58.Rg1 c4 59.e4 Bb4 60.Be3 Rd3 61.Rc1= Ra3 62.Rc4 Be7 63.e5 Kf7 64.Bc1 Ra2 65.Kd3 Bc5 66.Bd2 Ra1 67.Bb4 0–1. Helfst,Matt D (1955) – Rubin,Joshua (2075), Philadelphia USA, 8th Open, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.d4 Bb7)

7.Be2 a5 8.b5 d6 9.0–0 Nbd7 10.a3 Re8 11.Nc3 e5 12.Ng5 ed4 13.ed4 Nh5 14.Bf3 Bf3 15.Nf3 Ndf6 16.Re1 Re1 17.Qe1 Qf8 18.Rd1 Nf4 19.Qd2 Bh6 20.Qc2 Re8 21.Re1 Bg7 22.Re8 Qe8 23.Bc1 N6h5 24.Bf4 Nf4 25.Qd2 Bh6 26.Nd5 Nd5 27.Qh6 Qe2 28.Qc1 Nf4 29.Qd2 Qd2 30.Nd2 Ne2 31.Kf1 Nd4 32.a4 f5 33.h4 Kf7 34.Nb1 c6 35.Nc3 cb5 36.cb5 Ke6 37.f4 d5 38.Nd1 Nb3 39.Nb2 Nc5 40.Kf2 d4 41.Ke2 Kd5 42.Kf3 Ne4 43.g3 Nc5 44.Kf2 Ke4 45.Nc4 Na4 46.h5 Kd5 47.hg6 hg6 48.Ne5 g5 49.Ke1 Nc5 50.Kd1 a4 51.Nc6 gf4 52.gf4 Kc4 53.Ne7 a3 54.Kc1 Kd3 55.Nf5 Na4 56.Kb1 Nc3 57.Kc1 a2 58.Kb2 Ke4 59.Nd6 Kd5 60.Nf5 d3 61.Ne3 Kd4 62.Nf1 Ke4 63.Nd2 Ke3 64.Nc4 Kf4 65.Ka1 Kf3 66.Ne5 Ke2 67.Nc4 d2 0–1. EXchess 3.11 – Comet B25, 2003.

7.Be2 c5 8.Qb3 cb4 9.Qb4 d5 10.Nbd2 Nc6 11.Qa3 dc4 12.Nc4 Rc8 13.Nce5 a5 14.Nc6 Bc6 15.Rc1 b5 16.0–0 b4 17.Qd3 Qd5 18.Qa6 (18.Qb3!?=) 18...Bb7 (18...Qa2 19.Rc6 Rc6 20.Qc6 Qb2 21.Bc4+=) 19.Qb5 Qa2 (19...Rc1 20.Rc1 Qa2 21.Qb7 Qb2 22.Re1–/+) 20.Qb7 Rc1 21.Bc1 Qe2 22.Qe7 Qb5 23.Bd2 b3 24.Rb1 a4 25.h4 Re8 26.Qa7 Ne4 27.Be1 Bf8 28.h5 gh5 29.Ne5 Re5 30.de5 Qd3 31.Rc1?? b2 32.Rc8 b1Q 33.Qe7 Qe1 34.Kh2 Qh1! 35.Kh1 Nf2 36.Kg1 Qb1 37.Kh2 Ng4 38.Kg3 Qe1 39.Kh3 Qh1 40.Kg3 Qh2 41.Kf3 Ne5 42.Ke4 Ng6 43.Qg5 h6! (43...h6 44.Qc5 Qg2 45.Kd3 Qg4–+) 0–1. Mikhalchishin,A (2520) – Topalovic,Z (2510), GM, Varazdin CRO, 2003.

7.Be2 e6 8.0–0 d6 9.Nc3 Nbd7 10.Qc2 Qe7 11.c5 (11.Rfd1 c5 12.a3 cd4 13.Nd4 Rfc8=) 11...a5 12.cd6 cd6 (worse is 12...Qd6 13.Nb5 Be4 14.Qc1+/–) 13.Ba3 (13.b5 Rfc8=) 13...Rfc8 14.Qb2 Nd5 15.Nd5 Bd5 16.ba5 (16.Rfc1 a4=) 16...ba5 (16...Ra5 17.Bb4 Raa8 18.Rfc1=) 17.Qd2 (17.Rfc1 Rcb8 18.Qc2 f5=) 17...Nf6 18.Rfc1 Ne4 (18...Qd8!?+=) 19.Rc8+= Rc8 20.Qa5 Ra8 21.Qb4 Qa7 22.Bc1 Qc7 23.a3?? Nc3–+ 24.Qb2 Rb8 25.Qc2 Ne2 (25...Ne2 26.Qe2 Qc3–+) 0–1. Geirnaert,S (2355) – Vandevoort,P (2415), TCh–BEL, 2006.

7.Nbd2 Nc6

8.a3 Rb8 9.Be2 e6 10.0–0 d6 11.Qc2 Ne7 12.Rfe1 Nd7 13.e4 c5 14.dc5 dc5 15.b5 a6 16.Bg7 Kg7 17.a4 a5 18.Rad1 Qc7 19.Qc3 Kg8 20.Bf1 Rbd8 21.g3 Qc8 22.Bg2 Qc7 23.Re2 f5 24.Rde1 fe4 25.Ne4 Nf5 26.Nfg5 Rde8 27.h4 Nd4 28.Re3 Nf6 29.Nf6 Rf6 30.Bb7 Qb7 31.Re4 h6 32.Rd4 cd4 33.Qd4 Rf5 34.Ne6 Qe7 35.Re3 Rf6 36.Nc7 Rd6 37.Re7 Rd4 38.Re8 Kf7 39.Re6 Rd1 40.Kg2 Rc1 0–1. barborski – killo55, kurnik, 2012.

8.a3 d5 9.Qb3 Qd6 10.Be2 Ne4 11.Ne4 de4 12.Nd2 f5 13.c5 1–0. barborski – solange1 (1685), kurnik, 2012.

8.a3 e5 9.de5 Re8 10.ef6 Bf6 11.Bf6 Qf6 12.Be2 Ne7 13.0–0 d5 14.Qc2 dc4 15.Qc4 Rad8 16.Rae1 c6 17.Rd1 Nd5 18.Ne4 Qf5 19.Nfd2 b5 20.Qc2 Re5 21.Ng3 Qc2 22.Nf3 Ree8 23.Bd3 Qa4 24.Ra1 Ne3 25.fe3 Rd3 26.e4 Ra3 27.Rad1 Qb4 28.Rd7 Bc8 29.Rc7 Be6 30.Ng5 Rg3 31.hg3 h6 32.Ne6 Re6 33.Rff7 Qe1 34.Kh2 Qe4 35.Rg7 Kf8 36.Rcf7 Ke8 37.Ra7 Re7 38.Rae7 Qe7 39.Re7 Ke7 0–1. barborski – 0471, kurnik, 2012.

6.d4 c5

7.a3 Bb7 8.d5 e6 9.d6 Ne4 10.Ra2 Bb2 11.Rb2 Qf6 12.Rb3 Nc6 13.Be2 e5 14.0–0 cb4 (worse is 14...Qd6 15.Qd6 Nd6 16.Rd1+=) 15.ab4 Nd6 16.c5 Ne4 17.Qd7 Rab8 18.Nbd2 Nd2 19.Qd2 (worse is 19.Nd2 Rfd8 20.Ne4 Qh4–/+ (20...Rd7?? 21.Nf6 Kg7 22.Nd7+–)) 19...e4 20.Nd4 Rfd8 21.Rd1 a5 22.cb6 Nb4 23.Qb2 Qb6 24.Ra1 Bd5 25.Rba3 Ra8 26.h4 h5 27.Bd1 Rdb8 28.Bb3 (28.Be2!?–/+) 28...Nd3–+ 29.Qd2 Bb3 30.Rb3 Qc7 (30...Qd8–+) 31.f3? (31.Ra5 Ra5 32.Rb8 Qb8 33.Qa5 Qb1 34.Kh2 Nf2 35.Kg3–+) 31...Rb3–+ 32.Nb3 Rb8 33.Nd4 (33.Qa5 Qg3 34.Rf1 Rb3 35.Qd8 Kg7 36.Qd4 Qe5 37.fe4 Qd4 38.ed4–+) 33...Rb2 34.Qa5 (34.Qb2 Nb2 35.fe4–+) 34...Qg3 35.Qd8 Kh7 (35...Kh7 36.Qh8 Kh8 37.Nc2 Rc2 38.Ra8 Kg7 39.Rg8 Kg8 40.fe4 Qg2#) 0–1. Khotenashvili,Bela (2500) – Harika,Dronavalli (2510), Beijing CHN, SportAccord Rapid (w), 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.d4 c5)

7.b5 cd4+= 8.Bd4 (8.ed4 d5+=) 8...Bb7 9.Nbd2 d6 10.Be2 Nbd7 11.0–0 Nc5 12.Nb3 (12.Qc2 a6+=) 12...e6 (12...Ne6 13.Bd3+=) 13.a4 Nfe4 (13...Qe7 14.a5+=) 14.Bg7 Kg7 15.Nc5 dc5 (15...Nc5 16.Nd4=) 16.Ra3 Qf6 17.Qa1 Rad8 18.a5 Nd2 19.Qf6 Kf6 20.Re1 Bf3 21.gf3 e5 22.ab6 ab6 23.Rc1 Rd6 24.Rc2 Rfd8 25.Rb2 g5 26.Ra6 h5 27.Kg2 Kf5 28.h3 Kg6 29.Ra7 f5 30.Rc7 Kf6 31.Rc6 Ke7 32.Rc7 R8d7 33.Rc8 h4 34.Rg8 Kf6 35.Rf8 Rf7 36.Rc8 Kg7 37.Rc6 Rfd7 38.Ra2 e4 39.fe4 Ne4 40.Bf3 Rc6 41.bc6 Rc7 42.Ra8 Kf7 43.Bh5 Kg7 44.Bf3 Rc6 45.Be4 fe4 46.Re8 Kf6 47.Re4 b5 48.cb5 Rb6 49.Re8 Rb5 50.Rc8 Ke6 51.Kf3 Kd7 52.Rf8 c4 53.Ke4 Rc5 54.Ra8 c3 55.Ra1 c2 56.Rc1 Ke6 57.Kd3?? g4–+ 58.Ke2?? gh3 59.Kf1 Rg5 60.f4 h2 (60...h2 61.Ke2 Rg1 62.Kd3 Rc1 63.Kc4 Rb1 64.f5 Ke5 65.Kc3 c1Q 66.Kd3 h1Q 67.f6 Qhd1#) 0–1. Matveyenko,Yury (2225) – Chernikov,Oleg L (2405), RUS–ch Seniors, 2005.

7.bc5 bc5

8.d5 Na6 9.Be2 Rb8 10.Bc3 Ne4 (10...d6 11.0–0=) 11.Bg7 Kg7 12.0–0 Qb6 13.Bd3 Qf6 (13...Qb2!? 14.Nbd2 Nc3+=) 14.Na3+= Nc3 15.Qd2 d6 16.Rfc1 Na4 17.Nb5 Bg4 18.Ne1 (worse is 18.Na7 Bf3 19.gf3 Rb2–/+ (worse is 19...Qf3 20.Qd1 Qd1 21.Rd1=)) 18...Nb4 19.Rab1 (19.Na7 Nb2+/–) 19...a6= 20.Na3 Rb7 21.Rb3 Nd3 22.Rb7 Nc1 23.Qc1 h5 24.Nb1 h4 25.Qc2 Bc8 26.Rc7 Bf5 27.Qa4 Rb8 28.Nd2+= Qc3? 29.Ndf3 h3 30.gh3+– Be4 31.Re7 Bf3 32.Nf3 Qf6 33.Re8 Re8 34.Qe8 Qf3 35.Qd7 Qe4 36.Qd6 Qc4 37.Qe5 Kh7 38.d6 Qa2 39.d7 Qb1= 40.Kg2 Qb7 41.e4 Qd7 ½–½. Gasimov,Ragim (2395) – Guliyev,Namig (2345), AZE–chT Baku, 2000.

8.d5 d6 9.Nbd2 e5 10.de6 fe6 11.Be2 Nc6 12.0–0 Rb8 13.Bc3 d5 14.Ne5 Ne7 15.Qa4 Qc7 16.f4 Nf5 17.cd5 Nd5 18.Ba5 Qe7 19.Ndc4 Nfe3 20.Ne3 Ne3 21.Qe4 Nf1 22.Rf1 Bb7 23.Qe3 Bd5 24.Bc4 Bc4 25.Nc4 Bd4 0–1. Romero Holmes – Zlotnik, Palma de Mallorca 1992.

7.dc5 bc5

8.b5 Bb7 9.Be2 d5 10.Nbd2 Nbd7 11.0–0 e6 12.a4 a6 13.Bc3 dc4 14.Nc4 ab5 15.ab5 Bd5 16.Qc2 Ra1 17.Ra1 Qb8 18.Qb2 Bc4 19.Bc4 Ne8 20.Bg7 Ng7 21.Ra6 Ne8 22.h4 Nef6 23.Be2 Rc8 24.Nd2 Nd5 25.Nc4 N5b6 26.h5 gh5 27.Nb6 Nb6 28.Qf6 Nd5 29.Qg5 Kf8 30.Bc4 Nb6? (better is 30...h4+/–) 31.Be6!+– Rd8 (31...fe6 32.Qh6 Double attack (32.Qf6 Decoy)) 32.Qc5 (32.Qc5 Rd6 33.Bb3+–) 1–0. Kempinski,Robert (2620) – Slaby,Jerzy (2400), Neckar op–A 9th, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.d4 c5 7.dc5 bc5)

8.b5 a6

9.a4 ab5 10.ab5 Ra1 11.Ba1 Qb6=.

9.a4 Bb7=.

9.a4 Ne4?

10.Bg7+– Kg7

11.Bd3 Qa5 12.Nbd2 Nd2 13.Qd2 ab5! 14.cb5 d5 (idea Nb8–d7–b6).

11.Qd5 Qa5

12.Nbd2 Nd2 13.Nd2 ab5.

12.Ke2 ab5 13.Qe4 ba4 14.Qe7 Nc6 +–.

12.Ke2 Bb7? 13.Qb7 Nc6 14.bc6 Rab8 15.Qd7 Rfd8 16.Qe7 Rb2 17.Nfd2 Rbd2 18.Kf3 Rf2 19.Ke4 Rd4 20.ed4 Qe1 21.Kd3 Qe7 22.Nc3+= cd4 23.Nd5 Qe5=+ 24.c7 f5–/+ 25.Re1 Qe1 26.Kd4 Rd2 27.Bd3?? Qe4–+ 28.Kc5 Rd3 29.Nb6 Qe6 30.Nd5 Qd7 (31.Kb6 Qd6 32.Kb7 Rb3 33.Kc8 Rb2–+) 0–1. Siska – Diener,Rudolf, corr, (year?).

12.Ke2 Bb7? 13.Qb7 Nc6 14.Nfd2?? (better is 14.Qd7 Qb4 15.Qc6 (15.bc6?! Qb2 16.Nbd2 Rad8=) 15...Qb2 16.Nfd2 Nd2 17.Nd2 Qa1 18.b6+– (18.ba6?! Rfd8+/–)) 14...Ra7 15.bc6 (15.Qa7 Na7 16.Ne4 ab5 17.cb5 Nb5+=) 15...Rb7+= 16.cb7 Qb4? (better is 16...Nd6+=) 17.Ne4+– Qb2 18.Nbd2 Qa1 19.Nc5 Rb8 20.g3 Qa3 21.Nd7 Rb7 22.Bh3 Qd6 23.c5 (23.a5!?=) 23...Qd5–/+ 24.f3 Rb2 (24...Rd7?! 25.Bd7 Qd7 26.Rc1=) 25.Rd1 e6 26.c6 Qc4 27.Ke1 Qd3 (27...Qc6 28.Ne5 Qa4 29.Bf1–/+) 28.Bf1 Qe3 29.Be2 a5 30.f4 f6 31.c7 Rc2 32.Kf1 (better is 32.c8Q!? Rc8 33.Nf1–/+) 32...Rc7–+ 33.Nc4?! (33.Nf3–+) 33...Rc4! 34.Bc4 Qf3 35.Ke1 Qc3 (35...Qc3 36.Ke2 Qc4 37.Ke3 Qa4–+) 0–1. Smyslov,Vasily V – Gufeld,E, Moscow Spartakiade, 1967. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.d4 c5 7.dc5 bc5 8.b5 a6 9.a4 Ne4 10.Bg7 Kg7 11.Qd5 Qa5)

12.Ke2 Bb7? 13.Qb7 Nc6 14.Qd7 Qb4 15.Nfd2 +– (15.bc6 Rad8 16.Nbd2 Qb2=).

6.Be2 Bb7

7.0–0 a6 8.d4 Nc6 9.a3 e6 10.Nc3 Ne7 11.Qc2 Rc8 12.e4. pierred – anony, internet, 2014.

7.0–0 c6 8.d4 a5 (8...c5 9.a3+=) 9.b5 cb5 (9...d5 10.Nc3+=) 10.cb5 d6 11.Nbd2 Nbd7 12.a4 (12.Bd3 Rc8+=) 12...Nd5 (12...Rc8 13.Bd3=) 13.Rc1+= Nb4 (13...Rc8 14.Bc4+=) 14.e4 (14.Ba3 e5+=) 14...e6 (14...Nf6 15.d5+=) 15.Qb3 Qe7 (15...d5 16.e5+/–) 16.Rc7 Rab8 (16...Ra7 17.Ba3+=) 17.Rfc1 (17.Ba3 Qd8 18.Rcc1 d5+/–) 17...Rfc8 (17...Qd8 18.R7c3+=) 18.Rc8 (18.Ba3 Qd8 19.Rc8 Rc8 20.Rc8 Qc8 21.Bb4 ab4 22.Qb4 Nf6 23.Qd6 Ne4 24.Ne4 Be4+/–) 18...Rc8+= 19.Rc8 Bc8 20.Qc3 Qd8 21.Ba3 Na2 (21...d5 22.e5+/–) 22.Qc6 (22.Qc4 Nb4 23.Bb4 ab4 24.Qb4 Nf6+/–) 22...d5 23.ed5 (23.Bd6 Nb4 24.Bb4 ab4 25.ed5 Nf6+/–) 23...ed5 24.Qd5 Nb4 (better is 24...Nc3!? 25.Qc4 Ne2 26.Qe2 Bb7+/–) 25.Bb4+– ab4 26.Bc4 Qe7 27.Qa8 Qe8 (27...Qf8 28.Ng5+–) 28.Ne4 (better is 28.Ng5 Qf8 29.Bf7 Kh8 30.Ndf3+–) 28...Bf8 (28...Qf8+–) 29.Nfg5 Kg7 (29...Kh8 30.Nf7 Kg7 31.Nfd6 Bd6 32.Nd6+–) 30.Bf7 Qd8 (30...Qe7 31.Bb3 Qe8+–) 31.Ne6 (31.Ne6 Kh8 32.Nd8+–) 1–0. Janek – Sazyl, internet free game, 2017.

7.0–0 Re8 8.d3 d6 9.Nbd2 e5 10.Qc2 c6 11.a4 Nbd7 12.a5 d5 13.a6 Bc8 14.cd5 Nd5?? (better is 14...cd5 15.Rfc1 b5+/–) 15.Qc6+– Ba6 (15...e4 16.Bg7 ef3 17.Bf3 Rb8 18.Qd5 Kg7+–) 16.Qd5 (16.Ra6?! Nb4 17.Qb5 Na6 18.Qa6 e4+/–) 16...Qe7 (16...e4 17.Bg7 ed3 18.Bd1 Kg7 19.Ra6+–) 17.Ra6 Kf8 (17...e4 18.Nd4 ed3 19.Bd3 Qb4 20.Qd7 Qb2 21.Ra7+–) 18.Rfa1 Red8 19.Ra7 Ra7 20.Ra7 f6 (20...Nf6 21.Qa2 Nd7 22.Nc4+–) 21.Qb7 Ke8 (21...Qe6 22.d4 Ke8 23.d5+–) 22.d4 ed4 (22...f5 23.de5 Rb8 24.Qd5+–) 23.Nd4 Rb8 24.Qc7 Qd8 25.Qd6 (better is 25.Qc4 b5 26.Qg8 Bf8+–) 25...Bf8 26.Qe6 (26.Qd5 Qe7 27.Ne4 Bg7 28.Nd6 Kf8 29.Bc4 Qe8 30.Qg8 Ke7 31.Nc6 Kd6 32.Qd5) 26...Qe7 27.Bb5 Rd8 28.Rd7 (28.Bd7 Rd7 29.Ra8 Rd8 30.Rd8 Kd8 31.Nc6 Ke8 32.Ne7 b5 33.Nc6 Be7 34.Qe7) 28...Qe6 29.Rd8 Kd8 30.Ne6 Ke7 31.Nf8 Kf8 32.Bf6 Kf7 33.Bd4 1–0. jlbaf (2445) – grahamtrue (2235), net–chess.com, 2016.

7.a4 d5 8.0–0 dc4 9.Na3 Na6 10.Bc3 c5 11.b5 Nb4 12.Nc4 Ne4 13.Bg7 Kg7 14.Qb3 Bd5 15.Rfd1 Nd6 16.d4 f6 17.dc5 bc5 18.Nfd2 Qc7 19.Bf3 (19.Qc3 Rad8+=) 19...Bf3 (19...Nc4!? 20.Nc4 Bf3 21.gf3 Rad8=) 20.Nf3+= Rfd8 21.Ncd2 a6 22.Rdc1 Qb6 (worse is 22...ab5 23.Nd4 Kh8 24.Ne6+/–) 23.ba6 Ra6 24.Nc4 Qa7 25.h4 Ra8 26.Nb2 Rb8 27.Nc4 Ra8 28.Nb2 Rb8 29.Nc4 ½–½. Brauer,Christian (2120) – Nogrady,Vilmos (2280), Budapest Spring op, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7)

7.Qb3 d6 8.Nc3 Nbd7 9.0–0 e5 10.d4 Re8 11.d5 Nf8 12.e4 Bc8 13.Nd2 Ng4 14.h3 Nh6 15.Nd1 f5 16.f4 Qh4 17.Qf3 Nd7 18.Ne3 (18.Bd3 a5 19.b5 ef4 20.Qf4 Qf4 21.Rf4 Nc5 22.Bg7 Kg7+= (22...Nd3? 23.Bh6 Nf4 24.Bf4+–)) 18...Rf8 (18...ef4 19.Nd1+=) 19.Qf2 (19.fe5!? f4 20.Nd1 Ne5 21.Qf2 Qf2 22.Nf2=) 19...Qf2+= 20.Rf2 ef4 21.Bg7 fe3 22.Bf8? (better is 22.Bh6 ef2 23.Kf2–/+) 22...ef2–+ 23.Kf2 Nf8 0–1. Reschke,Rene – Glodowski,Marek, Lauenburg op, 2009.

7.b5 d6 8.0–0 Nbd7 9.d4 Ne4 10.Nbd2 Nd2 11.Qd2 Nf6 12.d5 Ne4 13.Qc2 Nc5 14.Nd4 e5 15.Nc6 Bc6 16.bc6 f5 17.f3 f4 18.ef4 Rf4 19.g3 Rf7 20.a4 a5 21.Qd2? (21.Ba3 e4 22.Rad1 ef3 23.Bf3 Qg5=) 21...Qe7 (better is 21...Nb3 22.Qe3 Na1 23.Ba1 Qf6–/+) 22.Qc2+= Raf8 23.Kg2 Qg5 24.Bc1 Qf6 25.Qc3 (25.Be3 Re7=) 25...h5 (25...Qf5 26.Qe3+=) 26.Qe3 Kh7 27.Qg5 Nb3 28.Qf6 Bf6 29.Rb1 Nd4 30.Bd3 h4 31.g4 (31.Be3 Nf5 32.Bf2 Bg5=) 31...Bg7 32.Be4 Bh6 33.g5 Bg7 34.Rf2 Rh8 (34...Kg8 35.Bd2= (worse is 35.Bg6 Rf3 36.Rf3 Rf3+=)) 35.f4 (35.Kh3 Rhf8+=) 35...ef4 (35...Re8 36.fe5 h3 37.Kf1 Rf2 38.Kf2 Be5–/+) 36.Rf4 Rf4 37.Bf4 Rf8 38.Be3 Be5 (38...Re8!? 39.Bd4 Re4 40.Bb6 cb6=) 39.Rf1 (39.Rf1 h3! 40.Kh3 Rf1 41.Kg2–+). GuestTHRL – GuestDLDN, freechess.org, 2017.

7.b5 e6 8.Nc3 (8.0–0 a6=) 8...c6 (8...a6 9.0–0=) 9.a4 (9.0–0 a6=) 9...c5 10.0–0 d5 11.d4 cd4. DEFFM – GuestXKZGngbht, freechess.org, 2018.

7.Qc2 d6 8.0–0 Nbd7 9.Nc3 Rc8 10.d4 c5 11.a3 d5 12.dc5+= bc5 13.cd5 cb4 14.ab4 Nd5 15.Ra3 Nb4 16.Qb3 a5 17.Rd1 Bc6 18.Nd4 Bd4 19.Rd4 Qb6 20.Qd1 Nc5 21.h4 Rfd8 22.h5 e5 23.Rd2? Rd2–+ 24.Qd2 Rd8 25.Qc1 Nbd3 26.Bd3 Nd3 27.Qa1 Qb2 28.Qb2 Nb2 (28...Nb2 29.Ra5 Nd3–+) 0–1. Slavnova,D (2180) – Alekseev,Dmitry, XXX Nezhmetdinov Mem, Kazan RUS, 2008.

7.Nc3 e6 8.0–0 Re8 9.d4 d5 10.c5 a6 11.a4 c6 12.b5 (better is 12.Qb3!?+/–) 12...bc5= 13.dc5 Nbd7 14.Ba3 (14.Nd4 Qc8=) 14...Ne4 (better is 14...ab5 15.ab5 Ne4 16.Ne4 Ba1 17.Qa1 de4–/+) 15.Ne4+= de4 (15...Ba1 16.Nd6 (< 16.Qa1 de4 17.Nd4 ab5 18.ab5 Qc8–/+) 16...ab5 17.Nb7+/–) 16.Nd4 Qc7 17.Qc2 Bd4 18.ed4 cb5 19.ab5 ab5 20.Bb5 Bd5 21.Rfb1 Rec8 22.Qd2 f6 23.h4 Nf8 24.Be2 Rcb8 25.Bb4 Qc6 26.Bc3 Ra1 27.Ra1 Qb7 28.Qf4 Qb3 29.Bd2 Qb2 30.Ra7 Rb7 31.Rb7 Bb7 32.Qe3 Bd5 33.Qc3 Qb1 34.Kh2 Qb8 35.g3 Kg7 36.Bf4 Qb7 37.Qa5 Qd7 38.Bb5 Bc6 39.Bc6 Qc6 40.Qb6 Qd5 41.Qc7 Qd7 42.c6 Qc7 43.Bc7 g5 44.Bd6 (44...gh4 45.Bf8 Kf8 46.c7+–) 1–0. Grosmelder,Karl – Mylnikov,Mikhail, Ch Russia (for the Deaf), 1999.

7.d3 a5 8.ba5 (8.b5 c6=) 8...Ra5 9.Nbd2 d6 10.Nb3 Ra8 11.0–0 Nbd7 12.Qd2 e5 13.Ne1 (13.e4 Ne8=) 13...Qe7 14.a4 d5 15.a5 dc4 16.dc4 Ne4 17.Qc2 Nec5 18.ab6 Ra1 19.Ba1 cb6 (19...Nb6 20.Nc5 Qc5 21.Bc3=+) 20.Nc5 bc5 (20...Nc5 21.Nf3=+) 21.e4 Nb8 (21...Qh4 22.Bd3=+) 22.Bd3 (22.f4 f5 23.ef5 Rf5 24.fe5 Rf1 25.Bf1 Nd7=+) 22...Nc6=+ 23.Qc3 (23.f4 Nd4 24.Bd4 ed4=+) 23...Nd4 24.Qb2 (24.Qd2 Nb3 25.Qc3 Na1 26.Qa1 f5=+) 24...f5 25.Qb1 (25.f3 fe4 26.fe4 Rf1 27.Kf1 Bh6=+) 25...fe4–/+ 26.Be4 Qh4 (26...Ne2 27.Kh1 Qh4 28.Qb7 Ng3 29.Kg1 Nf1 30.Nf3+=) 27.Qb7 (27.Bd3 Rf7 28.Bd4 ed4–/+) 27...Ne2=+ 28.Kh1 Ng3 29.Kg1 Ne2 (29...Nf1 30.Nf3 Rf3 31.Bf3 Qh2 32.Kf1 Qh1 33.Ke2+–) ½–½. Poley,Vladimir (2330) – Ernst,Thomas (2455), Osterskars op, 1995.

7.d3 a6 8.a4 Nc6 9.Qb3 a5 10.b5 Nb4 11.0–0 d5 12.Nc3 dc4 13.dc4 (13.Qc4 Ne8=) 13...Rc8 (13...Qd6!?+=) 14.Rad1 Qe8 (14...Nd7 15.Ba3+=) 15.Na2 (15.Ne5 Rd8+=) 15...Na2 16.Qa2 Ne4 17.Bg7 Kg7 18.Qb2 Kg8 (18...f6 19.Nd2=) 19.Rd4 (19.Ne5 Nc5=) 19...h6 (19...Nc5 20.Ne5=) 20.Rfd1 (20.Qc2 Nc5 21.Ne5 f5+=) 20...e5= 21.Rd7 Nd6 (21...Nc5 22.R7d2 Na4+=) 22.Ne5+/– Qe6?? (22...f6!? 23.R1d6 cd6 24.Rb7 Qe5+–) 23.Bg4 (23.R1d6 cd6 24.Ng4+– (24.Rb7 de5 25.h4 Rfe8–/+)) 23...f5 24.Bh3 Rfd8 25.Rd8 Rd8 26.Nc6?? (better is 26.c5 bc5 27.b6+–) 26...Rd7 (26...Bc6 27.bc6 Nf7 (27...Qc4? 28.Qf6 Rf8 29.Qg6 Kh8 30.Qh6 Kg8 31.g3+–) 28.Rd8 Nd8=) 27.e4?? (better is 27.Qc2!?+/–) 27...Nc4 (better is 27...Qe4 28.Qd2 Bc6 29.bc6 Qc6 30.Qh6 Nf7–+) 28.Qc2? (28.Qc1 Rd1 29.Qd1 Bc6 30.bc6 Qe4 31.Qd8 Kf7 32.Qd7 Qe7 33.Bf5 Qd7 34.Bg6 Ke7 (34...Kg6?? 35.cd7 Ne5 36.d8Q+–) 35.cd7 c6+=) 28...Rd1?? (better is 28...Qe4 29.Qc1 Rd1 30.Qd1 Bc6 31.bc6 Qc6–+) 29.Qd1+= Qf6?? (better is 29...Bc6 30.bc6 Qe4 31.Qd8 Kf7 32.Qd7 Qe7 33.Bf5 Qd7 34.Bg6 Ke7 (34...Kg6?? 35.cd7 Kf5 36.d8Q+–) 35.cd7 c6+=) 30.ef5 (30.Qd5 Qf7 31.Qf7 Kf7 32.Nd8 Kf6 33.Nb7 Nb2 34.ef5 gf5+=) 30...gf5 (30...Bc6 31.bc6 Qc6 32.fg6+=) 31.g3 (better is 31.Qd5!? Qf7 32.Qd8 Kg7 33.Ne7+–) 31...Nd6 (31...Bc6 32.bc6 Nd6 33.Bg2+=) 32.Qd5 The isolani on f5 becomes a target 32...Kg7 33.Bg2 h5 0–1. GuestCNQL – Cumanes, freechess.org, 2017.

7.d4 c5 8.dc5 (8.bc5 bc5 9.0–0 Qb6=) 8...bc5 9.b5 a6 (9...Qb6 10.0–0=) 10.a4 ab5 (10...d5 11.0–0=) 11.cb5+= d5 (11...Qb6 12.Bc3=) 12.0–0 Nbd7 (12...c4 13.Bc3+=) 13.Nbd2 Qa5 (13...Qc7 14.Qc2=) 14.Qb3 (14.Qc2 Qc7+=) 14...c4 15.Qa3 e6 (15...Rfc8 16.Bc3 (16.Qe7? Bf8 17.Bf6 Be7 18.Be7 Re8–+) 16...Qb6 17.Rfb1+/– (17.Qe7 Bf8 18.Bf6 Be7 19.Be7 Qa5–+)) 16.Bc3+/– Qc7 17.a5 Rfe8 18.b6 (18.Rfb1 Qb8+/–) 18...Qd8 (better is 18...Nb6!? 19.Be5 Qc8+=) 19.Nd4 (19.Rfb1 Qb8+=) 19...Nb6 0–1. algernon – kpoynter, net–chess.com, 2017.

7.0–0 a5

8.b5 c5 9.d3 d6 10.Nfd2 Nbd7 11.Bf3 Qc7 12.Nc3 e6 13.Qc2 Rad8 14.Bb7 Qb7 15.a3 Rfe8 16.Rfd1 h6 17.Ne2 Nf8 18.Nf3 d5 19.Ne5 Rc8 20.Bc3 N6d7 21.Nc6 Nf6 22.d4 cd4 23.Bd4 N8d7 24.cd5 Nd5 25.Rac1 Bd4 26.Ned4 Nc5 27.e4 Ne7 28.e5 Nd5 29.Nb3 Nb3 30.Qb3 Rc7 31.Qh3 Kg7 32.Rd4 Ne7 33.Qf3 Qc8 34.Qf6 Kg8 35.Rd6 Rd7 36.Ne7 Ree7 37.Rc8 Kh7 38.Qh8 1–0. bambinik (2545) – KingofPain (2230), 2003.

8.b5 d5 9.a4 Nbd7 10.Na3 Rc8 11.d4 Ne4 12.Qb3 e6 13.Rac1 f5 14.Nb1 Qf6 15.Rc2 Rfe8 16.Rfc1 dc4 17.Bc4 Nd6 18.Be2 Bd5 19.Qa3 Bf8 20.Qa1 (20.Rc7 Rc7 21.Rc7 Nb5 22.Bb5 Ba3 23.Na3 Rd8 24.Bd7 Qe7–+) 20...Qd8 21.Nbd2 Bh6 22.Ba3 Ne4 23.Bd3 Ndf6 24.Nc4 Bb7 25.Nce5 Ng4 26.Ng4 fg4 27.Ne5 Nf2 (better is 27...g3!? 28.hg3 Ng3+/–) 28.Kf2+– (28.Rf2?! Be3 29.Rc4 Qd5+=) 28...Qh4 29.Kg1?? (better is 29.Ke2+–) 29...Be3–/+ 30.Kh1 (better is 30.Kf1 Qh2 31.Ke1–/+) 30...Bf4–+ 31.h3?? Qh3 32.Kg1 Be3 33.Kf1 Rf8 34.Bf8 Rf8 35.Bf5?? Rf5–+ 36.Nf3 Rf3 37.Ke2 Qg2 38.Kd3 Qg3 39.Rf1 Qf4 40.Rf3 Qe4 41.Ke2 Qf3 (41...Qf3 42.Ke1 Qh1 43.Ke2 Qa1 44.Ke3 Qe1 45.Re2 Qc3 46.Kf4 Qf3 47.Kg5 Kg7 48.Rh2 Qf5 49.Kh4 g5 50.Kh5 Bf3 51.Rf2 Qg6; 41...gf3 42.Kd1 Qd3 43.Ke1 Qc2 44.Qb2 f2 45.Kf1 Qd1) 0–1. Marchio,Enrico (2320) – Schneider,Heiko (2265), Hessenliga, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7 7.0–0 a5)

8.b5 d5 9.cd5 Nd5 10.Bg7 Kg7 11.Qc2 Nd7 12.Nc3 N7f6 13.Nd5 Nd5 14.Ne5 Nb4 15.Qb2 f6 16.a3 Nd5 17.Nd3 Qd6 18.f4 c5 19.bc6 Bc6 20.Rac1 Rfc8 21.e4 Nc7 22.e5 (22.Qb6?! Be4 23.Qe3 Bf5+=) 22...Qd5 23.ef6 ef6 24.Bf3 Qd3 25.Rc6 Ne8 26.Re6 Ra7? (better is 26...Rab8!? 27.Bc6 Qc4+/–) 27.Rfe1+– (27.Rb6?! Rc2 28.Rb7 Rb7 29.Qb7 Nc7=) 27...Qd7 28.Qb6 (28.Rb6?! Qd8+/–) 28...Rac7 29.d4 Rc1 30.d5 a4 31.Qe3 Re1 32.Qe1 Kf7 33.Qb4 Nc7 (better is 33...Qa7!? 34.Kf1 Rb8+/–) 34.Rc6+– Rd8 35.Qa4 (better is 35.Qc4!? Ne8+–) 35...Nd5+/– 36.Qc4 Kg7 37.h3 Kh6 38.a4 Qf5 39.g4 Qb1 40.Kh2 Ne3?? (better is 40...Qb2 41.Kg3 Qd2+/–) 41.g5!+– fg5 (41...Kg7 42.Rc7 Kh8 43.Rh7 Kh7 44.Qc7 Kg8 45.Qd8 Kf7 46.Qf6 Kg8 47.Qe6 Kf8 48.Qe3 Qb4+–) 42.fg5 Kg5 43.h4 Kf5 (43...Kh6 44.Qf4 Kg7 45.Rc7 Rd7 46.Rd7 Kg8 47.Qf7 Kh8 48.Qh7) 44.Qf7 (44.Qf7 Ke5 45.Qf6) 1–0. Senkyr,Vladimir (2185) – Danek,Libor (2285), CZE–chT2D, 2009.

7.0–0 Na6

8.a3 c5 9.Qa4 d6 10.d3 Nc7= 11.Nbd2 Ne6 12.Rfc1 Qc8 13.Rab1 Nh5 14.Qb3 Bh6 15.d4+/– cd4 16.Nd4 Nd4 17.Bd4+/– Qf5 18.c5 e5 19.Ba1 dc5 20.bc5 Rad8 21.Qc3 Bg7 22.Qc2 Bc8 23.cb6+– ab6 24.Rb6 Qd7 25.Nc4 Qa7 26.Rd6 Bf5 27.e4 Be6 28.Rd8 Rd8 29.Bh5 gh5 30.Ne5 Qa3 31.Nc6 Bb3+/– 32.Qb1 Ba2 33.Ne7 Qe7 34.Qa2 Qe4 35.Bg7 Kg7 36.h3 Qf4 37.Qc2 Qd4 38.Qe2 Qf4+= 39.Rf1 Rd5 40.Qb2 Qe5 41.Qb4 Rd4 42.Qb3 h4 43.Rc1 Rd2 44.Qe3 Qe3= 45.fe3 Kg6 46.Kf1 f5 47.Rc6 Kg5= 48.Rc7 Kg6 49.Rc8 Ra2= 50.Rd8 Rb2 51.Ke1 Kf6 52.Kf1 Kg6 53.Rd4 Kg5 54.Rf4 Ra2 55.Rd4 Rb2 56.Rd7 Kg6 57.Re7 Ra2 58.e4 fe4 59.Re4+= Kg5 60.Rg4 Kh5 61.Rg7 Kh6 62.Rf7 Kg6 (62...Ra1 63.Kf2=) ½–½. Csom,Istvan (2505) – Handoko,Edhi (2370), Surakarta/Denpasar it INA, 1982. (=1.Nf3 Nf6 2.c4 g6 3.b4 b6 4.Bb2 Bb7 5.e3 Bg7 6.Be2 0–0 7.0–0)

8.b5 Nc5 9.d4 Nce4 10.d5 (10.Ne5 a6+=) 10...c6 11.dc6 dc6 12.Nc3 Nc3 13.Bc3 cb5 14.Qd8 Rfd8 15.cb5 Rac8 16.Rfc1 Ne4 17.Bg7 Kg7 18.a4 Nc3 19.Bf1 Bf3 20.gf3 Rd2 21.Re1 Rc5 22.f4 Kf6 23.Kg2 Ne4 24.Re2 Rcc2 25.Rae1 Re2–/+ 26.Be2 Ra2 27.Kf3 Nd2 28.Kg3 Ra4 29.Rc1 Ra2 30.Bd3 Ra3 31.Be2 Ne4 32.Kf3 Nc3 33.Bc4 e6 34.Rc2 Ke7 35.Rd2 Ra5 36.Rb2 Kd6 37.Rd2 Kc5–+ 38.Bf1 Nb5 39.Rd7 Nd6 40.Rc7 Kd5 41.Kg4 Ke4 42.Bg2–/+ Kd3 43.Rd7 Ke2 44.Rd6 Kf2 45.Bc6 h5 46.Kh4 Ke3–+ 47.Be8 Rf5 48.Rd7 Rf4 49.Kh3 g5 50.Bf7 e5 51.Ra7 e4 52.Kg2 h4 53.h3 Rf2 54.Kg1–/+ Rd2 55.Bh5 b5 56.Rb7 Rd5 57.Be8 Rd1 58.Kg2 Rd2 59.Kg1 Kf3 60.Rb5= Rg2 61.Kh1 Rg3 62.Kh2 e3 63.Bh5= Ke4 64.Rb2 Kd3 65.Ra2 Ke4 66.Rg2 Rg2= 67.Kg2 Kd3 68.Kf1 Kd2 69.Bg4 Kd3 ½–½. Stecyk,Jozef (2000) – Wallrabenstein,Udo (2140), Rail, 2005.

7.0–0 c5

8.a3 Na6 9.Qb3 d5 10.d4 cd4 11.Bd4 dc4 12.Bc4 e6 13.Nbd2 Nc7 14.Rfd1 Qe7 15.b5 Rfc8 16.Qb2 Nh5 17.Bg7 Ng7 18.e4 Nce8 19.Rac1 Nd6 20.Bd3 Nh5 21.e5 Ne8 22.Bc4 Nf4 23.Qd4 Rc4 24.Qc4+– Nd5 25.a4 Rc8 26.Qd4 Nec7 27.Ne4 Rd8 28.Nf6 Nf6 29.Qd8 Qd8 30.Rd8 Nfe8 31.Rc7 Bf3 32.Re8 Kg7 33.gf3 g5 34.Ree7 Kg6 35.Rf7 h5 36.Rf6 1–0. orane (2140) – mysterytramp (1700), Caissa.com, 2004.

8.a3 cb4 9.ab4 d5 10.c5 a5 11.d4 Ne4 12.Nfd2 ab4 13.Ra8 Ba8 14.Ne4 de4 15.Qa4 Nd7 16.c6 Nf6 17.Nd2 Qd6 18.Rc1 Rc8 19.Qa6 Qe6 20.Bb5 Qf5 21.c7 Nd5 22.Qa4 1–0. Klaric,Zlatko – Chiburdanidze,Maya, Vinkovci, 1982. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0–0 5.Be2 b6 6.0–0 Bb7 7.c4 c5)

8.a3 Nc6 9.Qb3 cb4 (9...a5 10.bc5 bc5 11.Nc3=) 10.ab4 d5 (10...a5 11.ba5 Na5 12.Qc2=) 11.Nc3 (11.c5 bc5 12.bc5 Rb8+=) 11...dc4= 12.Bc4 (12.Qc4 Qd6 13.b5 Na5=) 12...e6 (12...Qd6 13.Ba3+=) 13.d4 (13.Be2 Qe7 14.Ra4 Rfc8+=) 13...a5= 14.b5 (14.Ba3 Qc7=) 14...Nb4 15.Ba3 Nfd5 (15...Qc7 16.Bb4 ab4 17.Qb4=) 16.Nd5 (16.Bd5 Bd5 17.Nd5 Qd5 18.Qd5 ed5+= (worse is 18...Nd5 19.Bf8 Bf8 20.Rfc1+–)) 16...ed5= 17.Be2 Qd6 18.Rfb1 Rfc8 (18...Bf6 19.Qb2=) 19.Bb4 (19.Ne1 Qe7=) 19...Qb4 20.Qb4 ab4 21.Ra8 Ra8 22.Rb4 Ra1 23.Bf1 Bc8 24.g3 Bh3 25.Nd2 Kf8? 26.Rb1+– Rb1 27.Nb1 Bf1 28.Kf1 Ke7 29.Nc3 Kd6 30.Ke2 f5 31.Kd3 Bf6 32.f3 Bg7 33.Na4+– Kc7 34.e4 fe4 35.fe4 de4 36.Ke4 Bf6 37.Kd5 Bg7? 38.Nb2 h5 39.Nc4 g5 40.Ne5 g4 41.Ke6 Kd8 42.d5 (42.d5 Ke8 43.d6 Be5 44.Ke5+–) 1–0. Nyback,T (2345) – Citak,S (2055), EYCC B16, Halkidiki GRE, 2001.

8.a3 Qc7 9.Nc3 a6 10.Rb1 e6 11.h3 d6 12.d3 Nbd7 13.Nd2 Rfd8 14.Ba1 Rab8 15.Qc2 Nf8 16.Rfc1 g5 17.Nf3 h6 18.Ne4 Be4 19.de4 e5 (19...N8d7 20.Rd1+=) 20.Nd2 Qd7 21.bc5 bc5 22.Bc3 Ng6 23.Nf1 Rb7 24.Rb7 Qb7 25.Rb1 (25.Nd2!?+/–) 25...Qe4= 26.Qe4 Ne4 27.Ba5 Rd7 28.Bg4 Re7 29.Rb6 Nh4 30.g3 f5 31.Bh5 Nf6 32.Rb8 Kh7 33.Bd8 Nh5 34.Be7 Nf3 35.Kh1 e4 36.Rb6 (36.Bd6 Ne1+–) 36...Nf6 (36...Ne5!? 37.Nd2 Nd3 38.Bd6 g4 39.hg4 Nf2 40.Kg2 Ng4 41.Bc5 a5+–) 37.Rd6 Ne8 1–0. Csom,Istvan – Kahn,Evarth, It cat.7, 1995. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7 7.0–0 c5)

8.a3 d5 9.d4 cd4 10.Nd4 dc4 11.Bc4 a6=.

8.a3 d5 9.d4 Nbd7 10.dc5 bc5 11.Qc2 Qc7 12.Nbd2 Rfe8 13.cd5 Nd5 (13...Bd5!? 14.Rfc1 Rac8+=) 14.Bg7+/– Kg7 15.Rac1 Rac8 16.bc5 Qc5?? (better is 16...Nc5 17.Qb2 Nf6 18.Rc5 Qc5 19.Qb7 Qa3+/–) 17.Qb2+– Nc3 18.Nc4 1–0. Janek – Charlie, internet, 2016.

8.a3 d5 9.cd5 Nbd7 (9...cb4 10.ab4 Qd5 11.d4=) 10.bc5 (10.Qc2 Rc8 11.b5 Bd5=) 10...Nc5 11.d4 (11.Bf6 Bf6 12.d4 Ne4=) 11...Nce4 12.Ne5 Nd5 13.f3?? (better is 13.Qc2 f5 14.f3=) 13...Ne3–+ 14.Qc1 Nf1 15.fe4 Nh2! 16.Kh2 Be4 17.Qf4 (17.Qe3 Bb7–/+) 17...Bd5 (17...Qd5 18.Nd2 Bg2 19.Rg1–/+) 18.Nc3–/+ Rc8 (18...Bb3 19.Ba6–/+) 19.Ba6 (19.Nd5 Qd5 20.Bf3 Qd6–/+) 19...Rc7 20.Rf1 f6 21.Nd5 Qd5 22.Nd3 Rc2 23.Qg3 Qa5 24.Bb7 Rd2 25.Bc1 Qh5 26.Kg1 Rc2 27.Nf4+/– Qb5 28.Bd5 Rf7 29.Qe3 f5 30.Qe7 Bd4 31.Kh2 Qd5= 32.Nd5 Re7+= 33.Ne7 Kf7 34.Nd5 ½–½. Pal,P (2165) – Bubits,B (1970), XXVII Open, Zalakarosi HUN, 2008.

8.b5 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 d5 12.d4 cd4 13.ed4 (13.Bd4!? dc4 14.Bc4+=) 13...dc4+= 14.Bc4 Bd5 (14...Qd6 15.Ne5+=) 15.Nbd2 (15.Bd5 Nd5 16.Nc3 e6=) 15...Bc4 (15...e6 16.Qe2+=) 16.Nc4= Nd5 17.Qb3 Nc7 (better is 17...e6!?=) 18.Nb6+/– Nd7 19.Nd7 (19.Nc4 Nd5+/–) 19...Qd7 20.b6 Ne6 Increasing the pressure on the isolated pawn on d4 (20...Nd5!?+/–) 21.d5 Nc5 22.Qc4 Rc8 (22...Ba1 23.Ra1 Qd6 24.Rc1+–) 23.Bg7 Kg7 24.Rc1 Nd3?? (24...Qb7 25.Qb4 Nd7 26.Rc8 Qc8+–) 25.Qc8 Qd5 26.Qc3 f6 27.Rd1 Qb5 (27...Qc5 28.Qd3 Qb6 29.Qc4+–) 28.Qc7 Nf2 1–0. DEFFM – GuestQWNQ, freechess.org, 2017.

8.b5 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 d5 12.cd5 Nd5 (12...Qd5 13.d4=) 13.Na3 (13.Bg7 Kg7 14.d4 Qd6+=) 13...Ba1= 14.Qa1 Nd7 15.Nc4 Qc7 16.Qb2 Ra8 17.Ra1 Qd8 18.Nfe5 Ne5 19.Qe5 Nf6 20.Ra8 Ba8 21.f3 Bd5 22.Qc3 ½–½. Hecht,Hans Joachim (2515) – Pribyl,Josef (2455), Nice ol (Men) fin–A, 1974.

8.b5 a6 9.Nc3=.

8.b5 Qc7 9.Nc3 e5 10.Qb3 e4 11.Ne1 d5 12.cd5 Rd8 13.f3 Nd5 14.Bc4 Ne3? (better is 14...Bc3 15.Bc3 Qe7+/–) 15.de3+– Rd1 1–0. Boensch,Uwe (2425) – Antonov,Vladimir (2385), Halle Buna, 1981.

8.b5 Qc7 9.d3 Ng4 10.Bg7 Bf3 11.g3 Be2 12.Qe2 Kg7 13.Qg4 Qb7 14.Nc3 e6 (14...d6 15.Rfb1+=) 15.f4 (15.d4 Rc8+=) 15...f5 16.Qf3 (16.Qh4 d6+=) 16...Qf3 17.Rf3 d6 18.a4 (18.Rb1 Kf6=) 18...Nd7 (18...a6 19.Rb1=) 19.Rff1 (19.a5 h6+=) 19…Rfe8 ½–½. Kuhmann,Heinz (1645) – Stierand,Roland, Nuremberg Zabo op 3rd, 2001.

8.b5 Qc7 9.d4 cd4 10.Bd4 d6=.

8.b5 d6 9.d3 Nbd7 10.Nbd2 e5 11.a4 Qe7 12.a5 d5 13.d4 cd4 14.ed4 ed4 15.a6! Bc8 16.Nd4 Nc5 17.Nc6 Qe8 18.Ra3! –+. Serebrisky – Khavin, 1956.

8.b5 e6 9.a4 d5 10.a5 a6 11.ab6 Qb6 12.Nc3 ab5 13.Ra8 Ba8 14.cb5 Nbd7 15.Qb3 Rb8 16.Ra1 c4 17.Qb4 e5 18.Na4 Qe6 19.Nc5 Qe8 20.Na6 Rb7 21.Qa5 e4 22.Nd4 Qc8 (better is 22...Nb6!?+=) 23.Nc6+– Bf8 24.Nab4 Bb4 25.Qb4 (worse is 25.Qa8 Qa8 26.Ra8 Kg7 27.Nb4 Rb5+–; 25.Nb4 Rb8 26.Na6 Rb7+–) 25...Qe8 (25...Kg7 26.Qd6 Qe8+– (26...Rb5?? 27.Na7 Rb2 28.Nc8+–)) 26.Qa5 1–0. Brauer,Christian (2150) – Dekic,Josip (2320), Budapest Spring op, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7 7.0–0 c5)

8.d4 cb4 9.Qa4+=.

8.d4 cd4 9.Bd4 (9.ed4 a6+=) 9...d6 10.Nbd2 Nc6 11.b5 (11.Bc3 a6=) 11...Nb8 (11...Nd4 12.ed4 Re8 13.Re1=) 12.a4 Nbd7 13.Nb3 (13.a5 ba5 14.Nb3 a6 15.Na5 Qc8+=) 13...Nc5 14.a5 Ne6 (14...Qc7 15.a6 Be4 16.Nc5 bc5 17.Bc3+=) 15.ab6 (15.a6 Be4+=) 15...Nd4 (better is 15...ab6 16.Ra8 Ba8=) 16.Ra7?? (better is 16.ed4 ab6 17.Ra8 Ba8 18.Bd3=) 16...Nf3 (better is 16...Qb6!? 17.Ra8 Ne2 18.Qe2 Ra8–+) 17.Bf3 Bf3 (17...Ra7!? 18.ba7 Qc7 19.Bb7 Qb7 20.Qd4–/+) 18.Qf3–/+ Qb6?? (better is 18...Rc8 19.Na5 Qb6–/+) 19.Ra8+– (worse is 19.Qa8 Ra8 20.Ra8 Bf8+=) 19...d5 20.Ra6 Qb7 (20...Qb8+–) 21.b6 (better is 21.Na5 Qd7 22.Rd1+–) 21...Qa6–+ 22.c5 (22.cd5 Qb6 23.Nd4 Qd6–+) 22...Qb5 (22...Ne4 23.Rd1–+) 23.Qd1 Rc8 24.Nd4 (24.Qc2 Nd7 25.Qa2 e5–+) 24...Qc5 25.Qb3 (25.b7 Rb8–+) 25...Rb8 26.b7 Ne4 27.Ra1 (27.Qa2 Bd4 28.ed4 Qd4–+) 27...Bd4 28.Ra8 (28.ed4 Qd4 29.Rf1–+) 28…Qc1 (28...Qc1 29.Qd1 Qd1) 0–1. gtate (2010) – mcjohnson (2020), net–chess.com, 2004.

8.a3 d6

9.Nc3 Nbd7 10.Qb3 e6 11.Rfd1 Qe7 12.Rac1 Rfc8 13.d3 d5 14.cd5 ½–½. Espig,Lutz (2470) – Gruenberg,Hans Ulrich (2475), DDR–ch, 1989. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7 7.0–0 c5)

9.d3 Nbd7 10.Nc3 d5 11.Qb3 dc4 12.dc4 Ne4 13.Rfd1 Nc3 14.Bc3 Bc3 15.Qc3 Qc7 16.Rd2 Rad8 17.Rad1 Bf3 18.Bf3 Ne5 19.Be2 Rd2 20.Rd2 Nc6 21.b5 Na5 22.Qd3 Rb8 23.f4 e6 24.g4 Kf8 25.Qd7 Qd7 26.Rd7 Rb7 27.Rd8 Ke7 28.Ra8 h6 29.Kf2 Rd7 30.h4 Kf6 31.Rg8 Rd2 32.g5 hg5 33.hg5 Ke7 34.Ra8 Rd7 35.Kf3 Rc7 36.Ke4 Nb7 37.Kd3 Rd7 38.Kc3 Nd6 39.Bf3 Rc7 40.Bc6 1–0. Vogt,Lothar (2500) – Tomaszewski,Roman (2435), Kecskemet Toth Memorial 7th, 1979. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7 7.0–0 c5)

9.d4 cd4 10.ed4 Nbd7 11.Nc3 Rc8 12.Qd3 e5 13.d5 e4 (better is 13...Re8!? 14.Nd2 e4=) 14.Ne4+/– Ne4 15.Bg7 Kg7 16.Qe4 Re8 17.Qd4 Qf6 18.Rfe1 Ne5 19.Ne5 Re5 (19...Qe5 20.Qd2 Qf6 21.g3+/–) 20.f4 Ree8 (20...Re7 21.Qf6 Kf6 22.Kf2+/–) 21.Qf6 Kf6 22.Bd3 Ba6 23.Re8 Re8 24.Kf2 h6 25.Re1 Re7 (25...Rc8!? 26.Re4+/–) 26.Re7+– Ke7 27.Ke3 f5 28.g3 Kf6? (better is 28...Bc8+–) 29.c5 Bd3 (29...Bb7 30.cb6 ab6+–) 30.Kd3 bc5 (30...dc5 31.bc5 Ke7 32.Kc4+–) 31.bc5 dc5 (31...Ke7 32.cd6 Kd6 33.Kd4+–) 32.Kc4 g5 (32...Ke7 33.Kc5 g5 34.Kc6+–) 33.Kc5 h5 34.fg5 Kg5 35.d6 h4 36.d7 1–0. Janek – tscjs, internet, 2018.

9.d4 Nbd7 10.Qb3 Rb8 11.Rd1 cd4 12.Nd4 a6 13.Nc3 e6 14.Rac1 Qe7 15.Bf3 Ne5 16.Bb7 Qb7 17.b5 Rfc8 18.ba6 Qa6 19.Ncb5 Ne8 20.Ne2 Nc4 21.Bg7 Na5 22.Qb2 Rc1 23.Rc1 Ng7 24.Nd6 Ne8 25.Ne8 Re8 26.Ng3 Qd3 27.h4 Nc4= 28.Qf6 h5 29.Rc3 Qd5 30.Qf4 Ne5 31.f3 Nd3 32.Qc7 Qe5 33.Ne4 Qc7 34.Nf6 Kf8 35.Rc7 Ra8 36.Nd7 Ke8 37.Nf6 Kf8 38.Nd7 Ke8 39.Nb6 Ra3 40.Nc4 Ra1 41.Kh2 Ra6 42.Kg3 Kf8 43.e4 Kg8 44.f4 Ra2 45.Nd6 Ra3 46.Rc8 Kh7 47.Kh2 Nf2 48.Kg1 Ng4 49.Kf1 Ra7 50.e5 f6 51.ef6 Nf6 52.g3 Ra1 53.Ke2 Ra3 54.Rf8 Ng4 55.Kd2 Rg3 56.Ne4 Rg2 57.Kc3 Kg7 58.Ra8 e5 59.Ra7 Kf8 60.Ng5 ef4 61.Ne6 Ke8 62.Nf4 Rg3 63.Kd4 Nh6 64.Ke5= Ng4 65.Kd6 Rf3 66.Re7 Kf8?? 67.Ne6+– Kg8 68.Re8 (68.Re8 Kh7 69.Ng5 Kh6 70.Nf3+–) 1–0. Shengelia,D (2565) – Harika,D (2470), 12th Open Dubai UAE, 2010. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0–0 5.Be2 b6 6.0–0 Bb7 7.c4 c5)

9.d4 Ne4 10.Nc3 Nc3 11.Bc3 Nd7 12.Qb3 cd4 13.ed4 Nf6 14.d5 b5 15.Rfd1 bc4 16.Bc4 (worse is 16.Qc4 Rc8 17.Qd3 Rc3 18.Qc3 Nd5+=) 16...Rc8 17.Rac1 Qd7 18.Bd4 Ba8 19.h3 Rc7 20.Be3 Rfc8 21.b5 Ne4 22.a4?? (better is 22.Nd4+=) 22...Nc3!–/+ 23.Rc3 Bc3 24.Bf1 Bg7 25.a5 Rc3 26.Qb4 Rc2 27.Nd4 Bd4 28.Qd4 Ra2 29.a6 Rc7 30.g4 f6 31.g5 Kg7 32.gf6 ef6 33.Qg4 g5 34.Qd4 Qf5 35.b6 ab6 36.Qb6 Re7 37.Bg2 Qe5 38.Bf3 Rb2 39.Qd8 Re8 40.Qd7 Re7 41.Qg4 Rc2 42.Bd4 ½–½. Kalinitschew,Sergey (2530) – Jaracz,Barbara (2290), Guben op, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7 7.0–0 c5)

8.b5 d5

9.cd5 Bd5 10.Nc3 Bb7 11.d4 Ne4 12.Ne4 Be4 13.Qc1 Nd7 14.dc5 Nc5 15.Bg7 Kg7 16.Qc3 f6 17.Rfd1 Qc7 18.Rac1 Rac8 19.Nd4 Qb7 20.Bg4 Rc7 21.Bh3 e5 22.Ne2 Rff7 23.Qd2 Nd3 24.Rc7 Rc7 25.f3 Nc5 26.fe4 Qe4 27.Nc3 Qc4 28.Qd8 Nb7 29.Rd7 Kh6 30.Qc7 1–0. Machete99 (2190) – where (2175), ICC, 2002.

8.bc5 bc5

9.Qc2 Nc6 10.a3 Rb8 11.d3 d6 12.Nbd2 e5 13.d4 (13.Rab1 Qc7=) 13...Nd7 (13...cd4 14.ed4 e4 15.Ne1= (15.Ne4? Ne4 16.d5 Bb2 17.Qb2 Ne7–+)) 14.d5+= Ne7 15.Ne4 Nc8 16.Rab1 h6 17.Nfd2 f5 18.Ng3 Nf6 19.Bc3 Nb6 20.a4 (20.f4 e4=) 20...Qe7 21.Rb2 Ba6 (21...f4 22.ef4 ef4 23.Nge4 Ne4 24.Ne4+=) 22.Rfb1 (22.a5 Nbd7+=) 22...Rbe8 (22...f4 23.ef4 ef4 24.Nge4 Nfd5 25.Bg7 Kg7 26.a5+=) 23.a5+= Nbd7 24.Nf3 Nh7 25.Nf1 (25.Qa4 Rb8+/–) 25...Ng5 26.N1d2 Rf7 27.Ng5 hg5 (27...Qg5 28.Nf3 Qf6 29.Qd3+/–) 28.e4 g4 29.Qd3 Qg5 30.f3 g3 31.hg3 Qg3 32.Nf1 Qf4 33.Bd2 Qh4 34.Qe3 f4 35.Qf2 Qh8 36.g4 Bf6= 37.Qg2 Bh4 38.Bd3 Rh7 39.Bc3 Qf6 40.Be1 Bg5 41.Kf2= Qd8 42.Ke2 Kf7 43.Kd1 Reh8 44.Qc2 Rh3 45.Be2 Qc7 46.Qa4 Rc8 47.Nd2 Bh4 48.Bh4 Rh4= 49.Kc2 Rh2 50.Kd3 Nf6 51.Nb3 Nh7 52.Qa1 Ng5 53.Rh1 Rch8 54.Rh2 Rh2 55.Nd2 Kf6 56.Qa4 Rh8 57.Nb1 Rb8 58.Rb8+= Qb8 59.Nc3 Nf7 60.Qd7 Qb4= 61.Nb5 Bb5 62.Qb5 Qa3 63.Kc2 Qa2 64.Kd1 Qa1 65.Kc2 Qe1=+ 66.Bd1 ½–½. Majul,Isolina – De Armas,Asela, Cartagena zt (Women), 1990.

9.Nc3 Nc6 10.Rb1 Rb8 11.d3 e5 12.Nd2 d6 13.Ba1 Nd7 14.Nd5 Nb6 15.Bf3 Nd5 16.Bd5 Qc7 17.Ne4 h6 18.Qa4 Ba8 19.Nc3 Nb4 (better is 19...Rb4!? 20.Rb4 Nb4 21.Ba8 Ra8+/–) 20.Ba8+/– Ra8 21.Rfd1 Kh7 22.a3 Nc6 23.Nd5 Qd7 24.Bc3 Rab8 25.Ba5 Rfc8 26.h3 f5 27.Bc3 Rb7 28.Rb7 Qb7 29.Rd2 e4 30.Rb2 Qd7 31.de4 fe4 32.Qc2 Re8 33.Qb1 Nd8 34.Rb8 Rf8 35.Qe4 Qf7 36.f4 Re8 37.Qd3 Ne6?? (37...Rf8 38.Rc8 Ne6 39.Rc6+–) 38.Rb3 (better is 38.Re8 Nf4 39.Nf4 Qe8 40.Bg7 Kg7 41.Qd6 Qe3 42.Kh2+–) 38...Rf8 39.Qb1 Qe8 (39...Nd8 40.Bg7 Kg7 41.Rb8+–) 40.Qb2 (40.Bg7 Ng7 41.Qb2 Kh8+–) 40...Kh8? (better is 40...Bc3 41.Qc3 Qf7+–) 41.Rb7 Rf7 (41...Rg8+–) 42.Rb8 Nd8 43.Bg7 Rg7 44.Qf6 1–0. Kargl,Kurt (2305) – Kutlesa,Peter, AUT–chT Austria, 1992.

9.Nc3 Nc6 10.Rb1 Rb8 11.Nd5 Nd5 12.cd5 Nb4 (12...Bb2!? 13.Rb2 Nb4=) 13.Bg7+= Kg7 14.e4 (14.d4 Nd5 15.dc5 Qc7+=) 14...Qa5 (14...f5 15.d3 Qa5 16.Rb2+=) 15.a3 Qa3 16.Ra1 (16.d4!? Qa5 17.dc5 Qc5 18.Qa4+=) 16...Qb2= 17.Ra7 e6 18.d4 (18.de6 de6 19.Qc1 Qc1 20.Rc1 Be4+=) 18...ed5+= 19.dc5 de4 20.Nd2 Qd4 21.Nb3 (21.Qc1 Qe5+=) 21...Qd1–/+ 22.Rd1 Bd5 23.Nd4 Rfd8 ½–½. Heinzel,Olaf (2375) – Rous,Daniel (2040), Tabor CZE, Open, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7 7.0–0 c5 8.bc5 bc5)

9.Nc3 d6 10.Qb3 Qc8 11.Nd5 (11.Rab1 Nbd7=) 11...Bd5 12.cd5 Nbd7 13.Bf6 (13.Rab1 Nb6=) 13...Nf6 14.Rab1 (14.Bc4 Rb8 15.Qc2 Qf5 16.Qf5 gf5=) 14...Qf5 (14...Rb8!? 15.Qd3 Qd7=) 15.Bc4+= Nd7 (15...Rfd8 16.Rfe1+=) 16.d3 (16.Bd3 Qh5+=) 16...Rfb8= 17.Qa4 (17.Qc2 Ne5 18.Ne5 Be5= (worse is 18...de5 19.Qa4+/–)) 17...Nb6 18.Qa6 Nc4 (18...Nd5? 19.Rb8 Rb8 20.Qa7+–) 19.Qc4 (19.e4 Qf4 20.Qc4 Bb2+=) 19...Qc8 (19...Bb2 20.Qc2 Bf6 21.e4=) 20.Nd2 (20.g3 Rb6=) 20...Rb6 21.Qe4 (21.Rfc1 Bb2 22.Rc2 Qb7=) 21...Qb7 (21...Qa6 22.a4 Qb7+=) 22.a4 (better is 22.Rfc1!?=) 22...Bc3–/+ 23.Rb6 (23.Rbd1 Bd2 24.Rd2 Rb4–/+) 23...ab6 (23...Qb6?! 24.Nc4 Qc7 25.f4=) 24.Nf3 (24.Nc4 Qc7 (24...Ra4?! 25.Nd6 Re4 26.Nb7+=) 25.Na3 Bb4–+) 24...Bf6 (24...Bb4 25.Ng5 h6 26.Ne6–/+) 25.Nd2 (25.Rb1 Qd7–/+) 25...Qd7 (25...Ra6 26.g3–/+) 26.Nc4 Ra6 27.h4?? (better is 27.Qf3+=) 27...Qa4–+ 28.Qg4 (28.h5 b5 29.Nd2 gh5–+) 28...b5 29.Qc8 Kg7 30.Nd2 Ra8 31.Qc6 (31.Qb7 Bh4 32.d4 cd4 33.ed4 Ra5–+) 31...b4 32.Nc4 (32.g4 Bh4 33.d4 Ra6–+) 32...Qc6 (32...Bh4?! 33.Nb6 Qc6 34.dc6–+) 33.dc6 Ra6 0–1. Curic,Drazen (2220) – Juhasz,Armin (2355), Zadar Open A, 2017. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 b6 5.Be2 Bb7 6.0–0 0–0 7.c4 c5 8.bc5 bc5)

9.Nc3 d6 10.d3 Nc6 11.Qa4 Qa5 12.Qa5 Na5 13.Rab1 Rab8 14.Ba1 Bc6 15.Rb8 Rb8 16.Rb1 Rb1 17.Nb1 Nd7 18.Bg7 Kg7 19.Nfd2 Nb6 ½–½. Gouret,Thierry (2300) – Tirard,Hugo (2240), FRA–ch Accession, 1994.

9.d3 Nc6 10.Nc3 d6 11.Nd2 e5 12.f4 ef4 13.ef4 Nd4 14.Bf3 Nf3 15.Nf3 Ng4 16.Qd2 Bf3 17.Rf3 Bd4 18.Kh1 Qh4 19.g3 Qh5 20.Raf1 Rab8 21.Nd1 Bb2 22.Nb2 Nh2 23.Qh2 Qh2 24.Kh2 Rb2 25.R3f2 Rfb8 26.g4 Kg7 27.Kg3 h6 28.f5 g5 29.Kf3 Rf2 30.Rf2 Re8 31.Rb2 Re1 32.Rb7 Rf1 33.Ke3 Rf4 34.Ra7 Rg4 35.Rd7 h5 36.f6 Kg6 37.Rd6 h4 38.Rd8 Kf6 39.a4 h3 40.Rh8 Rh4 41.Rh4 gh4 42.Kf2 Ke5 43.Kg1 f5 0–1. Vater – Gramer, corr DDR, 1989.

9.d3 d6 10.Nc3 Nc6 11.Rb1 Rb8 12.Ba1 e6 13.Nd2 Qe7 14.Nb3 Rfd8 15.Bf3 Ne5 16.Bb7 Rb7 (worse is 16...Qb7 17.Nc5 Qe7 18.Nb3+/–) 17.f4 Nc6 18.Qf3 Rb6 19.Nd2 Nb4 20.Qe2 Nc2 21.Rb6 ab6 22.Bb2 d5 23.Nd1 Nb4 24.a3 Nc6 25.Nf3 dc4 26.dc4 Qa7 27.Nc3 Qa8 28.Rd1 Ne8 29.Rd8 Qd8 30.Na4 Bb2 31.Nb2 f6 32.Qd2 Nd6 33.Qd3 Qc7 ½–½. Fries Nielsen,Niels Joergen (2630) – Elwert,Hans Marcus (2620), NPSF–50 corr, 1994. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0–0 5.c4 b6 6.Be2 Bb7 7.0–0 c5 8.bc5 bc5)

9.d4 Na6=.

9.d4 Qb6 10.Qb3 cd4 11.Bd4 Qb3 12.ab3 Nc6=.

9.d4 d6 10.Nc3 Nbd7 11.d5.

9.Nc3 Na6

10.Rb1 Rb8 11.d4 d6 =. Malmstroem.

10.Rb1 d6

11.Qa4 Qe8 12.Qa5 Rb8 13.Nb5 Qd7 14.a3 e5 15.d3 Rfe8 16.Nd2. Malmstroem.

11.d4 Qa5 12.d5 e6. Malmstroem.

11.d4 Rb8=.

11.Ng5 h6 12.Bf3 Rb8 13.Nh3 Bf3 14.Qf3 Nb4 15.Nf4 Qa5 16.a3 Na6 17.Rfd1 Nc7= 18.Nfe2 Rb3 19.Nc1 Rb6 20.Qe2 Rfb8 21.d4 Nd7 22.Qc2 e5 23.dc5 Nc5 24.N1a2 Qa6=+ 25.Qe2 Qb7 26.Qf1 Rb3 27.h3 a5 28.Ba1=+ ½–½. Malmstroem,Jan – Fernandez Fornes, corr 3GMM–41, 1997.

11.Ng5 h6 12.Nf3 Rb8=.

7.0–0 Nc6

8.a3 a6+=.

8.a3 d5+=.

8.b5 Nb8 9.Qb3 d6 10.Nc3 Nbd7 11.a4 e6 12.d4 Qe7 13.a5 ba5 14.Ra5 Nb6 (14...a6 15.ba6 Ra6 16.Ra6 (worse is 16.Qb7 Ra5 17.Qc7 Rfa8+=) 16...Ba6 17.Ra1+=) 15.c5! dc5 16.dc5 Qc5 17.Na4 (better is 17.Ba3 Qh5 18.Bf8 Bf8 19.Rfa1+–) 17...Na4 18.Ra4 Rab8 (better is 18...Bd5 19.Qd1 Rfd8=) 19.Ba3+/– Qh5 20.Bf8 Bf8 21.Ra7 Ng4? (better is 21...Bd6!? 22.Rfa1 Bf3 23.Bf3 Rb5 24.Bh5 Rb3+=) 22.h3+– Ne5 23.Nd4 Qg5 24.f3 Bc5 25.Raa1 Bd5 26.Qa4?? Qe3–+ 27.Kh1 Bd4 28.Ra3 Qe2 29.Rd1 Bb6 30.Raa1 Nf3! 31.Qg4 Qf2 32.Rf1 h5 33.Qf4 Qh4 34.Qh4 Nh4 35.Kh2 Ng2 36.Rab1 Ne3 37.Rfe1 Ra8 38.Kg3 h4 39.Kh2 Ra2 40.Kg1 Ng4 41.Kf1 Nh2 0–1. Neumann,Frank (1650) – Brylski,Nils, RSX7E – A15 – Engl vs. Koen.Ind–1, 2009. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7 7.0–0)

8.d4 Nb4+= 9.a3 Nc6 10.Nbd2 a6 11.d5 Na5 12.Qc2 c6 13.e4 cd5 14.ed5 d6 15.Rfe1 Re8 16.Rac1 Rc8 17.Qd3 Ba8 18.Nb3 Nb7 19.Nbd4 Nc5 20.Qd1 a5 21.Nb5 Bb7 22.Nc3 Nfe4 23.Ne4 Bb2–+ 24.Nc5 bc5?? 25.Rb1+/– Bc3 26.Rf1?? Ba8 27.Qc2 Bg7 28.Qa4 Qc7 29.Rb5 Rb8 30.Rfb1+= Rb5 31.Rb5 Bc3?? 32.Qb3?? Bf6+= 33.Nd2 e6–/+ 34.Bf3 ed5 35.Bd5 Re1 36.Nf1 Bd5 37.cd5 Qe7?? 38.Rb8 Kg7–+ 39.Qc4 Bd4 40.g3?? Re2 41.Ne3 Re1 42.Nf1 Qf6 43.Qc2 Qe5 44.Kg2 Re2 45.Qd3 Rf2 (45...Rf2 46.Kg1 Rc2 47.Ne3 Be3 48.Kh1 Qa1 49.Rb1 Qb1 50.Qf1 Qf1) 0–1. Fournier,Frederic (1995) – vicen1 (1645), Active (5/0), 2004.

8.b5 Na5=

9.Qc2 a6 10.Nc3=.

9.Qc2 d5 10.cd5+= Nd5 11.Bg7 Kg7 12.Nc3 Nc3 (12...c6 13.Nd5 Qd5 14.Qb2 Kg8 15.d4+=) 13.Qc3 Kg8 14.Nd4 Qd6 15.Rac1 Rac8 16.f4 (16.Nc6 Bc6 17.bc6 e5+=) 16...Rfd8 (16...c6!?=) 17.Bg4 e6 18.Bf3 Bf3 19.Rf3 Nb7 (better is 19...Rd7!?+=) 20.Nc6+/– Rd7 21.Rc2 Ra8 22.Ne5+– Re7 23.Ng4 Nc5 24.Nh6 (24.Nh6 Kf8 25.Qh8#) 1–0. marre – oppo21, internet, 2010.

9.d3 a6 10.Nc3=.

9.d3 e6 10.Nbd2 (10.Bc3+=) 10...Bf3 (10...a6 11.ba6 Ra6 12.d4=) 11.Bf3+/– (11.gf3?! a6=) 11...Rb8 (11...d5 12.cd5 Nd5 13.Bg7 Kg7 14.Nc4+=) 12.Nb3 Nb3 (12...c5 13.Na5 ba5 14.Rb1+/–) 13.ab3+– Ne8 (13...c6 14.bc6 Qc7 15.Ra2 dc6 16.Qa1+–) 14.d4 c6 15.bc6 dc6 16.Ra7 Ra8 17.Ra8 Qa8 18.Qa1 Qa1 19.Ra1 Nd6? 20.Bc6 f5 21.Bd7 f4 22.Be6 Kh8 23.Ra6 Rd8 24.Rb6 Nf5 25.c5 Bd4 26.ed4 Nd4 27.Rb7 h5 28.c6 Rd6 29.c7 Rc6 30.c8Q Rc8 31.Bd4 1–0. MrkT – Legends, internet, 2005.

9.d4 a6=.

9.d4 c6 10.bc6 (10.Bc3 cb5 11.cb5 a6+=) 10...Nc6 11.Nc3 (11.Nbd2 d5=) 11...Rc8 12.Qa4 e6 (12...a6 13.e4=) 13.Ba3 (13.Nb5 Ne4+=) 13...Re8 (13...d6 14.Rab1+=) 14.Bd6 (14.Nb5 Ne4 15.Bd3 a6 16.Be4 ab5 17.cb5 Ra8=) 14...Na5 (14...Ng4 15.Rab1+=) 15.Nd2 (15.Ne5 Ne4 16.Ne4 Be4+=) 15...Bf8 (15...Bc6 16.Qa3+=) 16.Bf8 Kf8 (16...Rf8!? 17.Nb3 Nb3 18.ab3 a6+=) 17.Nb5+/– Bc6 18.Qb4 Kg7 (better is 18...Qe7!? 19.Qe7 Ke7 20.Na7 Ra8 21.Nc6 dc6+/–) 19.Nd6+– Qe7 (19...Nb7 20.Ne8 Ne8 21.e4+–) 20.Rab1 (better is 20.a3 Rb8 21.e4+–) 20...Be4? (better is 20...Nb7 21.Ne8 Re8+–) 21.N2e4 Ne4 22.Ne4 Qh4 (22...Qb4 23.Rb4 Red8+–) 23.Nd6 1–0. Janek – Guest298, internet, 2018.

7.0–0 d5

8.Na3 Qd6 9.Nb5 Qd8 (9...Qb4? 10.Bc3 Qc5 11.d4+–) 10.Rc1 a6 11.Na3 Nc6 12.Nc2 dc4 13.Bc4 Qd6 14.a3 Nb4? (better is 14...Ng4 15.Bg7 Kg7=) 15.Bf6+– (15.ab4 Ng4 16.Ne5 Ne5 17.Be5 Be5–/+) 15...Nc2 16.Bg7 Ne3 17.de3 Kg7 18.Qd6 cd6 19.Be2 Rac8 20.Nd2 Kf6 21.Nc4 b5 22.Nb6 Rc1 23.Rc1 Ke6 24.Rc7 (24.Rc7 Rb8 25.Nd7+/–) 1–0. Kong,Dezheng – Klepikov,Nikita (1870), Wch U10 Kemer, 2009. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7 7.0–0 d5)

8.Nc3 dc4 9.Bc4 Nbd7 10.d4 c5 11.bc5 bc5 12.dc5 Nc5 13.Qd8 Rfd8 14.Rfd1 e6 15.Rd8 Rd8 16.Nb5 Bf3 17.gf3 Rd7 18.a4 Rd2 (18...a6!? 19.Nd4 Nd5+=) 19.Bd4= Nfd7 20.Na7 Bd4 21.ed4 Rd4 22.Bf1 (22.Bf1 Ra4 23.Ra4 Na4 24.Kg2–+) 1–0. Neumann,Frank – Eisenstein,Martin, WS/O11 ICCF, 2012.

8.Nc3 dc4 9.Bc4 Nbd7 10.d4 c5 11.bc5 bc5 12.dc5 Rc8+=.

8.c5 Nbd7 9.d4 e6 (9...a5 10.Qc2 c6 11.a3=) 10.Qc2+= c6 11.cb6 (11.a4 Rb8+=) 11...ab6 12.Nc3 (12.a4 Re8=) 12...Rc8 (12...c5 13.bc5 bc5 14.Rfc1=) 13.a4+= c5 14.b5 (14.bc5!? bc5 15.a5+=) 14...cd4 15.Nd4 Ne4 16.Rac1 (16.Rfd1 Qh4 17.g3 Qf6 18.Ne4 de4+=) 16...Nc3 17.Bc3 Nc5 (17...e5 18.Nc6 Bc6 19.bc6 Rc6 20.Bb5=) 18.Qa2 (18.Bb4!?=) 18...e5+= 19.Nf3 d4 20.ed4 ed4 21.Rfd1?? (21.Bb4 d3 22.Bd1 Qd7+=) 21...Ne6?? (21...Bd5 22.Qb1 dc3 23.Bc4 Bc4 24.Rd8 Rfd8 25.h3–+) 22.Qb2?? dc3–+ 23.Qc2 Qc7 24.Nd2 cd2 25.Qc7 Rc7 (25...Rc7 26.Rc7 Nc7 27.Rd2 Re8–+; 25...dc1B?! 26.Qb7 Bd4 27.Bd3–/+) 0–1. gtate (1790) – stellarconverter, net–chess.com, 2001. (=1.e3 Nf6 2.Nf3 g6 3.b4 b6 4.Bb2 Bg7 5.c4 0–0 6.Be2 Bb7 7.0–0 d5)

8.d3 dc4 9.dc4 Qd6 10.Qd6 cd6 11.Nbd2=.

8.d3 Nbd7 9.Nbd2= a5 (9...c5 10.Qb3=) 10.b5+= Nh5 (10...Nc5 11.Qc2+=) 11.Bg7 Ng7 12.cd5 Bd5 13.d4 a4 14.Qc2 Nf6 15.Ne5 Ne6 16.f4. Mister – Fubber, internet free game, 2018.

8.d4 Nbd7 9.Nc3 c5 10.bc5 bc5 11.cd5 Nd5 12.Rb1 cd4 13.Nd5 (13.Nd4 Rb8+=) 13...Bd5 14.Bd4 (14.Nd4 Rb8=) 14...e5 15.Bc3 Nc5 (15...Ba2!? 16.Rb7 Qc8 17.Rd7 Qc3+=) 16.Ne5 (16.Rb5!? Bf3 17.Bf3 (17.gf3?! Rc8=; 17.Rc5?! Qd1 18.Bd1 Bd1 19.Rd1 Rfc8+=) 17...Qd1 18.Rd1+/– (18.Bd1?! Rfc8=)) 16...Ne4 (16...Ba2 17.Rb5 Qd1 18.Rd1+=) 17.Bd4 Qh4 (17...Ba2!? 18.Rb2 Be6+=) 18.f3 (better is 18.Nf3 Qh5 19.Rb5+–) 18...Nd6?? (better is 18...Rfd8 19.Qe1 Qe1 20.Rfe1 Nd6+/–) 19.Ng4+– Bc4 (19...Ba2 20.Bg7 Kg7 21.Rb2+–) 20.Bc4 Nc4 21.Bg7 Rad8 (21...Ne3 22.Bf6 Qg4 23.fg4 Nd1 24.Rfd1 h6+–) 22.Bd4 h5 23.Nf6 (23.Nf6 Qf6 24.Bf6 Rd1 25.Rfd1 Ne3 26.Rd7+–) 1–0. Janek – Diftt, internet, 2019.

8.cd5 Qd5 9.Nc3 Qd6 10.d4 (10.a3!?+=) 10...Qb4+= 11.Qc1 Qa5 12.Nb5 Na6 13.Nc7 Rac8 14.Bc3 Rc7 15.Ba5 Rc1 16.Rfc1 ba5 17.Rab1 Nb4 18.a3 Be4 19.Rb2 (19.ab4!? Bb1 20.Rb1+=) 19...Nbd5= 20.Rb5 Bh6 21.Kf1 Ng4 22.Rcc5 e6 23.Ra5 Rb8 24.Rab5 Rb6 25.Rb6 ab6 (worse is 25...Nb6 26.Nd2 Bf5 27.Bg4 Bg4 28.Rc7+/–) 26.Rc8 Kg7 27.Nd2? (27.Bc4 Ngf6=) 27...Ngf6 (better is 27...Nf2 28.Kf2 Be3 29.Ke1 Bg2–/+) 28.Ne4= Ne4 29.Bf3 Nd2 30.Ke2 Nb1 (30...Nf3!? 31.Kf3 f5=) 31.Bd5+= ed5 32.a4 Na3 33.Rd8 Bg5 34.Rd5 Be7 35.Kd3 Bb4 36.Rd7 g5 37.Rb7 Ba5 38.d5 Kf6 39.e4 Nb1 40.d6 Ke6 (40...Nc3 41.e5! Ke5 42.d7+–) 41.e5! Nc3 42.Re7 Kd5 43.d7 b5 44.ab5 Nb5 45.Re8 h5 46.Rb8 Kc6 47.d8Q Bd8 48.Rd8 Nc7 49.Rc8 Kd7 50.Rc7! Kc7 51.Ke4 (51.Ke4 g4 52.Kf5+–) 1–0. Zaynutdinov,I – Furseev,E (1710), XXX Nezhmetdinov Mem, Kazan RUS, 2008.

8.cd5 Bd5 9.d4 Ne4 10.Qc2 a5 11.ba5 Ra5+=.

8.cd5 Bd5 9.d4 Ne4 10.Nc3 Nc3 11.Bc3 c5 (11...Qd6 12.Qd3+=) 12.bc5 bc5 13.Qc2 (13.Qd3 cd4 14.Bd4 Bd4 15.Qd4 Nc6+/–) 13...cd4 14.Bd4 (< 14.ed4 Nc6=+) 14...Nc6?? (better is 14...Qc8 15.Rac1 Qc2 16.Rc2 Nd7+=) 15.Bg7+– Kg7 16.Rfd1 Qa5 17.Rd5 Qd5–/+ 18.Rd1 Qe6 19.Bc4 Qf6–+ 20.Bd5 Rac8 21.Rc1?? Ne5 22.Qc8 Rc8 23.Rc8 Nf3 24.Bf3 Qa1 (25.Rc1 Qc1 26.Bd1 Qd1) 0–1. Sopermi (2115) – polvo (2015), ajedrez21.com, 2001.

8.cd5 Bd5 9.d4 Ne4 10.Nbd2 Nd7 11.Ne4 Nf6?? (better is 11...Be4 12.Qc1 a6+=) 12.Nf6+– Bf6 13.a3 a5 14.b5 c6 15.bc6 Bc6 16.Qb3 Rb8 17.Rac1 Bf3 18.Bf3 Qd6 19.Rc2 (19.Rc6 Qd7+–) 19...b5 20.Rfc1 a4 21.Qd3 e5 22.Rc6 Qd8 23.Qd1 ed4 24.Bd4 Bd4 25.Qd4 Qd4 26.ed4 Rfd8 27.d5 Kf8 28.Rd1 Rb7 (28...b4 29.ab4 Rb4 30.Ra6+–) 29.Rc5 (29.d6!? Rbb8+–) 29...b4 30.ab4 Rb4 31.Ra5 Ke7 32.h3 Rd6 33.Ra1 Kf6 34.R5a4 Ra4 35.Ra4 h6 36.Rc4 h5 37.Rc6 Ke5 38.Rd6 Kd6 39.Kf1 f5 40.g3 1–0. Fournier,Frederic (1955) – mogart7 (1745), Active (5/0), 2005.

8.cd5 Nd5

9.Bg7 Kg7

10.a3 a5 11.b5 c5+=.

10.Qb3 e6 11.d4 Nd7 (11...Nc6 12.a3+=) 12.Rc1 (12.Nbd2 a6+/–) 12...a5 13.b5 c5? (better is 13...Rc8!?+/–) 14.bc6+– Bc6? (better is 14...Rc8 15.e4 Nb4+–) 15.Rc6 Rc8 16.Rc8 Qc8 17.Bc4 N7f6 18.Nbd2 Ne7 (18...Qc7 19.e4 Ne7 20.e5+–) 19.Qb6 (19...a4 20.Qb4+–) 1–0. marekt – rajko, ChessWorld.net, 2004.

10.Qb3 Qd6

11.a3 a5+=.

11.a3 e5 12.Nc3 Nd7 13.Rac1 Nc3 14.Rc3 Rac8 15.d4 e4 16.Nd2 Nf6 17.Qc2 Rfe8 18.Qa4 Ra8 19.Ba6 Ng4 20.g3 Bd5 21.Bb5 Re7 22.Bc6 Bc6 23.Qc6 Qc6 24.Rc6 a5 25.b5 Nf6 26.Rfc1 Nd5 27.Nb1 a4 28.Nc3 Nc3 29.R1c3 Ra5 30.Rc7 Rc7 31.Rc7 Rb5 32.Kg2 Rb3 33.Rc6 h5 34.h3 Kf8 35.g4 ½–½. Vogt,Lothar – Szymczak,Zbigniew, Naleczow, 1979.

11.a3 e5 12.Nc3 Nd7 13.Rac1 Rac8 14.Nb5 Qe6 15.Bc4 c6 16.Na7 Ra8 17.Bd5 cd5 18.Nb5 Rac8 19.a4 h6 20.d3 g5 21.Nd2 f5 22.a5 ba5 23.ba5 Qa6? (better is 23...Rb8+/–) 24.Nc7+– (24.Nc7 Qa7 25.Ne6 Kf6 26.Nf8 Rf8 27.Rc7+–) 1–0. Benko,Pal C (2440) – Huenerkopf,Heinz (2255), Augsburg, 1987.

11.Qb2 Kg8 12.a3 a5 13.b5+=.

11.Qb2 Kg8 12.a3 Nd7 13.d4 Rfe8 14.Nbd2 Qf6 15.Rac1 Rac8 16.Rc2 e5+= 17.de5 Ne5 18.Ne5 Qe5 19.Qe5 Re5 20.Bf3 c6 21.Nc4 Re6 22.e4 Ne7 23.Rd1 Rc7 24.Rd8+– Kg7 25.Nd6 Rd6 26.Rd6 Nc8 27.Rd1 Kf6 28.Bg4 Ke5 29.Rd7 Rd7 30.Bd7 Ne7 31.f3 Kd6 32.Rd2 Ke5 33.Kf2 f5 34.ef5 gf5 35.Re2 Kd6 36.Be6 Ba6 37.Re1 c5 38.bc5 bc5 39.Bf7 Bc8 40.Rd1 Ke5 41.Ba2 h6 42.g3 f4 43.Re1 Kd6 44.Rd1?? (better is 44.gf4 a5 45.Rd1 Kc7 46.Bb1+–). Maeurer,Christoph (2310) – Koch,Wolfgang Max (2310), BL2–Sued, 2002.

11.b5 a6 12.Nc3 Nc3 13.Qc3 Kg8 14.a4 ab5 15.ab5 Nd7 16.Ra8 Ra8 17.Rc1 Nf6 18.d3 Nd5 19.Qc4 Qa3 20.h3 Ra4 21.Qc2 Rb4 22.d4 Rb2 23.Qd3 Rb3 24.Qd2 Rb2 25.Rc2 Rb1 26.Bf1 Qa1 27.Nh2 Rb5 28.e4 Nf6 29.Rc7 Ba6 30.e5 Nd5 31.Rd7 Rb1?? (31...Kg7 32.Ng4 Qf1 33.Kh2 f6 34.Qh6 Kf7 35.Qh7 Ke6 36.Rd5 Rd5 37.Qg8 Kd7 38.Qd5 Kc7 39.ef6 ef6 40.Qf7 Kb8 41.Qg6 Bd3 42.Qf6 Kc7+–) 32.Qh6+– (32.Qh6 Rf1 33.Nf1 Qf1 34.Kh2 Qg2 35.Kg2 Nf4 36.Kg3 Nh5 37.Kh2 f6 38.e6 Ng7 39.Rd8 Ne8 40.Re8; 32.Rd5?! Bf1 33.Nf1 Rf1 34.Kh2 Kg7=) 1–0. Gubajdullin,Alexey (2460) – Maximov,Anton (2125), Vladimir op, 2009. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7 7.0–0 d5 8.cd5 Nd5 9.Bg7 Kg7 10.Qb3 Qd6)

7.0–0 d6

8.a4 Nbd7 9.d4 c5 10.dc5 dc5 11.b5 Qc7 12.h3?! Rad8 13.Nbd2 e5 14.Qc2 e4 15.Nh2 Ne5 16.Rfd1 Rd7 17.Nhf1 Rfd8 18.Ng3 Nd3! 19.Bc3 h5 20.Ra3 h4 21.Bf6 hg3 22.Bd8 gf2 23.Kh1 Rd8 24.Nf1 Ne1 25.Qa2 Rd1 26.Bd1 Qd8 27.Qd2 Qd2 28.Nd2 Nd3 29.Ra2 Bc8 30.g4 Be6 31.Kg2 f5 32.Kf1 f4 33.Ne4 fe3 34.Be2 Nf4 35.Ng5 Ne2 36.Re2 Bc4 37.Ne4 Be2 0–1. Gerold – Breitenfeld, corr, 1972.

8.Qb3 e5 9.d3 Nbd7 10.Nc3 Re8 11.Na4 (11.Nd2 a5 12.a3 Nf8=) 11...Qe7 (11...e4 12.de4 Ne4 13.Bg7 Kg7 14.Nc3+=) 12.e4 Nh5 13.g3 c5 14.bc5 Nc5 15.Nc5 bc5 (15...dc5 16.Bc3=) 16.Ne1 (16.Bc3 Rab8 17.Qa4 Qc7=) 16...Bc8 17.Bc1 Bh3 18.Ng2 Bf6 (18...Rab8 19.Qc2+=) 19.Qd1= Ng7 20.Bg4 Bg2 21.Kg2 Rab8 22.Bd2 Rb7 23.Rb1 Reb8 24.Qc2 Ne6 25.Be6 Qe6 26.Rb7 Rb7 27.Rb1 Qc8 28.Rb5 a6 29.Rb3 Qb8 30.Rb7 ½–½. Antal,Sebestyen Jr – Pesztericz,Laszlo (2230), Szekszard op, 1996. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0–0 5.c4 b6 6.Be2 Bb7 7.0–0 d6)

8.Qc2 c5 9.a3 (9.b5=) 9...Nbd7 10.Nc3 e5 11.d4 ed4 (11...cd4 12.ed4 Qe7 13.Rfe1=) 12.ed4 Re8 13.d5 Ne5 14.Ne5 Re5 15.bc5 bc5 16.Rab1 Bc8 17.Nd1 Bf5 18.Bd3 Bd3 19.Qd3 Re8 20.Ne3 Nd7 (20...Rb8 21.Bc3=) 21.Bg7+= Kg7 22.Rb7 h5 23.Rfb1 Kg8 24.Qb3 (24.Qc3 Qf6 25.Qf6 Nf6+=) 24...Re4 25.Qa4 (25.h3 Ne5=) 25...Nb6= 26.Qa6 (26.Qb5!?=) 26...Qc8–/+ 27.a4 (27.g3 Re7 28.R7b6 ab6 29.Qc8 Rc8 30.Rb6 Rd8–+) 27...Re7 28.R7b6 ab6 29.Qc8 Rc8 30.Rb6 Rd7 (30...Rd8 31.Ra6–/+) 31.a5 (31.Nd1 Rdd8–/+) 31...Ra8 (31...Kf8 32.a6–+) 32.a6 (32.g4 hg4 (32...Ra5?! 33.gh5 Ra4 34.hg6–/+) 33.Ng4 Kg7–+) 32...Kf8–+ 33.g4 (33.h3 Ke7–+) 33...hg4 34.Ng4 Ke7 35.Kg2 (35.h4 f5 36.Nh2 Rda7–+) 35...f5 36.Ne3 Rda7 37.h4 (37.Nd1 Ra6 38.Rb7 Kf6–+) 37...Ra6 38.Rb7 Kf6 39.Kg3 Re8 40.Rd7 (40.Rb3 Ra2–+) 40...Re4 41.Kh3 g5 (41...Ke5 42.Rh7–+) 42.hg5 Kg5 43.Rd8 f4 (43...Rh4 44.Kg2–+) 44.Rg8 Kf6 45.Ng4 Ke7 46.Rg7 Kf8 (46...Kd8 47.Rg8 Kc7 48.Rg7 Kb6 49.Nh6 Rc4 50.Nf5–+) 47.Rd7 Rc4?? (better is 47...Re7 48.Rd8 Kg7–+) 48.Nf6= Rc2 49.Nh7 ½–½. Mamuzic,Mirko (2260) – Ikras,Djura (2145), 9th Open Bajmok, 2006.

8.Qc2 e5 9.d4 ed4 10.Nd4 (10.ed4 Re8=) 10...c5 11.bc5 dc5 12.Nb5 Qe7 13.Nd2 (13.Rd1 Na6=) 13...Nc6 14.a3 Rad8 15.Rfd1 (15.Bf3 Rd7=) 15...Rd7 16.Bf3 (16.Nf3 Rfd8=) 16...Rfd8=+ 17.Nb3 a6 18.Rd7 (18.Nc3 Na5 19.Rd7 Rd7 20.Na5 Bf3 21.gf3 ba5=) 18...Rd7 19.Nc3 Nd8 (19...Rd6 20.Rd1=) 20.Bb7 Nb7 21.Rd1 Qe6 22.Rd7 Qd7 23.a4 (23.Nd2=) 23...Nd8 24.Qd2 Nc6 25.Nd5 Qd8 26.Nf6 Bf6 27.Qd8 Bd8 28.Bc3 f5 29.Kf1 Kf7 30.Ke2 Ke6 31.f3 Kd6 32.Kd3 Nb4 33.Bb4 cb4=+ 34.e4 Bf6 35.h3 h5 36.ef5 gf5 37.Ke3 Bg5=+ 38.Kd4 Bh4 39.g4= Bf2 40.Kd3=+ fg4 41.fg4 hg4 42.hg4 Ke5 43.Nd2 a5 44.g5 Bc5 45.g6 Kf6 46.g7 Kg7 47.Ke4 Kf6 48.Kf4 Ke6 49.Ke4 Bf8 50.Nb3 Kd6 51.Kf5 Bg7 52.Ke4 Ke6 53.Kf4 Bf6–/+ 54.Ke4 Be5 55.c5–/+ Bc7 56.Kd4 bc5–+ 57.Nc5 Kd6 58.Nb3 Kc6 59.Ke4 Bd8 60.Kd4 Bc7 61.Ke4 Kd6 62.Kd4 Ke6 63.Ke4 Bb6–+ 64.Na5?? Ba5 65.Kd3 Kd5 66.Kc2 Kc4 67.Kb2 b3 68.Ka3 Bc3 69.a5 Ba5 70.Kb2 Kb4 71.Kc1 Ka3 72.Kb1 Bc3 (73.Kc1 Ka2–+; better is 72...b2 73.Kc2–+) 0–1. Eisenhauer,Erik – Girg,Rolf, SBRhH–ch H GER, 2001.

8.Nc3 a6 9.d4 Nbd7 10.Qb3 e6 (10...c5 11.bc5 dc5 12.d5+=) 11.a4 Qe7 12.a5+= Rfc8 13.ab6 cb6 14.b5 a5 15.Rfc1 h6 (15...d5 16.Ba3 Qd8 17.Nd2+=) 16.Ba3 e5 17.Nd2 ed4 18.ed4 Ne4 (18...Nf8!? 19.Re1 Ne6+=) 19.Nce4+/– Be4 (19...Be4 20.Ne4 Qe4+/–). pcmvr (2225) – ironhorse (2265), net–chess.com, 2006.

8.Nc3 c5 9.b5 a6 10.a4 ab5 11.ab5 Ra1 12.Qa1 Ne4 (12...Qc7 13.d3=) 13.Qc1 (13.Ne4 Bb2 14.Qb2 Be4+/–) 13...Nc3+= 14.Bc3 Bc3 (14...e5 15.Qc2+=) 15.Qc3 Nd7 16.d4 Nf6 17.d5 (17.Ra1 Ne4 18.Qe1 d5+=) 17...Ne4 (17...e6 18.de6 fe6 19.Ra1=) 18.Qc2 f5 (18...Nf6 19.Ra1+=) 19.Bd3+/– Nf6 20.e4 (20.Ng5!? Bc8 21.Ra1+/–) 20...fe4= 21.Be4 Ne4 (21...e6 22.Bg6 hg6 23.Qg6 Kh8 24.Ng5+/– (worse is 24.de6 Rg8 25.Qf5 Rg4+=)) 22.Qe4+= e5 23.Nd2 Qg5 24.Nf3 (24.Qe2 Bc8+=) 24...Qh5 (better is 24...Qf4 25.Qf4 Rf4= (worse is 25...ef4 26.Nd2+/–)) 25.Qh4?? (better is 25.Ra1+=) 25...Qh4–+ 26.Nh4 Rf4 0–1. zabazaba (1650) – jsierra52 (1730), gameknot.com, 2014.

8.Nc3 c5 9.bc5 dc5 10.d4 cd4 11.ed4 Nc6 12.d5 Na5 13.Ne5 Nd7 14.Nd7 (14...Qd7 15.Re1+=). Hirtreiter – Trigance,Eric, corr SOK–90–64, 1990.

8.Nc3 Nbd7 9.Qb3 (9.d4 Re8=) 9...c5 (9...a5 10.a3=) 10.Ne1 (10.d4 a5 11.a3 cd4 12.Nd4 e6+=) 10...Ne4 11.Ne4 Bb2 12.Qb2 Be4 13.Bf3 Bf3 14.Nf3 Qc7 15.Rfc1 Ne5 16.Ne1 a5 17.b5 Rad8 18.Rc3 d5 19.cd5 Rd5 20.d4 Ng4 21.Nf3 Qd6 22.h3 Nf6 (22...cd4? 23.Rc6 (23.ed4?! Nh6+=) 23...Qb4 24.Qb4 ab4 25.hg4 de3 26.fe3 (26.Rb6?! e2 27.Re1 Rd1+–) 26...Rb5 27.Nd4+–) 23.dc5 Rc5 24.Rc5 Qc5 25.Rc1 Qb4 26.Qe5 Rd8 27.Nd4 Qd2 28.Rc7 Qe1 (28...Qa2?? 29.Qe7 Rf8 30.Qf6 Qa1 31.Kh2+–) 29.Kh2 Qf2?? (better is 29...Nd5 30.Rc2 Qd1=) 30.Qe7+– Rf8 (30...Ng4 31.hg4 Rd4 32.ed4 Qf4 33.Kh3 h5 34.Qe8 Kg7 35.Qe5 Qe5 36.de5 Kf8+–) 31.Ne6! Ng4 (31...fe6 32.Qg7#) 32.hg4 Rd8 33.Nd8 (33.Qd8#) 33...Qa2 (33...h5 34.Qe8 Kg7 35.Ne6 Kf6 36.Qe7 Ke5 37.Nf4#) 34.Nf7 Kg7 (34...Qg2 35.Kg2 h5 36.Qe5 hg4 37.Qh8#) 35.Qe5 (35.Qe5 Kf8 36.Qh8#) 1–0. Barlocco,Carlo (2140) – Ricci,Alfredo (2020), Arco op Arco di Trento, 2008. (=1.b4 Nf6 2.Bb2 g6 3.e3 Bg7 4.Nf3 0–0 5.c4 b6 6.Be2 Bb7 7.0–0 d6)

8.Nc3 e5 9.d3 Nbd7 10.Qc2 h6 11.Nd2 Nh7 12.Rad1 f5 13.f4 g5 (13...ef4 14.Rf4 Be5 15.Rf2=) 14.Bf3 Bf3 15.Rf3 (worse is 15.gf3 gf4 16.ef4 c5=) 15...ef4 16.ef4 g4 17.Rff1 Nhf6 18.Nb5 a6 (better is 18...g3!? 19.hg3 Nh5+/–) 19.Nd4+– Re8 20.Nf5 h5 21.Ng7 Kg7 22.Ne4 Kg8 23.Ng5 c6 24.d4 a5 (24...Qe7+–) 25.Qg6 (25.Qg6 Kh8 26.Nf7) 1–0. Zaynutdinov,I – Slavnova,D (2180), XXX Nezhmetdinov Mem, Kazan RUS, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.e3 b6 6.Be2 Bb7 7.0–0 0–0)

8.d3 a5 9.b5+= c5 10.bc6 Bc6 11.Nc3 d5 12.Ne5 dc4 13.d4 Bd5 (13...Bb7 14.Bc4 Nbd7 15.Qb3+=) 14.Nd5+/– Qd5 (14...Nd5 15.Bc4 e6 16.Qf3+/–) 15.Bc4 Qe4 16.Qb3 Nbd7? (better is 16...e6!?+/–) 17.Nf7 (17.Bf7 Kh8 18.Nd7 Rf7 19.Qf7 Nd7+–) 17...Rf7 (17...Qh4 18.a4 b5 19.ab5 Nb6+–) 18.f3 Qe3 (18...Qb7 19.Bf7 Kf8+–) 19.Qe3 1–0. Karl – Stefano, internet private, 2018.

8.d3 a6 9.d4=.

8.d3 c5= 9.a3 Nbd7 10.Nbd2 e6 11.Qb3 Qe7 12.Rfc1 d5 13.d4 (13.bc5 Nc5 14.Qc2 dc4 15.Nc4 Rfd8=) 13...dc4 (13...cd4 14.Nd4 e5 15.Nb5=) 14.Bc4 cd4 15.Bd4 a6 16.Rc2 Rfc8 17.Rac1 b5 18.Be2 Qd6 19.a4 ba4 20.Qa4+= Rc2 21.Rc2 Rc8 22.Rc8 Bc8 23.b5 ab5 24.Qb5 Qc7 25.Nc4 Ne4 26.Nfe5+= Nd6 27.Nd6 ½–½. Abdelrasek,Ahmed (1695) – Seidler,Ottmar (1720), Oberwinden GER, 2007.

8.d3 Nbd7 9.Nc3 c5 10.b5 (10.bc5 bc5 11.Kh1 Rb8=) 10...d5 11.Nd5 Nd5 12.Bg7 Kg7 13.cd5 Bd5 14.d4 Rc8 15.Rc1 e6 16.Qd2 Qf6 17.Rfd1 ½–½. Hasangatin,Ramil (2515) – Pinter,Erik (2360), Presov op–A, 2002. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7 7.0–0 d6)

8.d3 Nbd7 9.Nc3 e6 10.Qc2 Qe7 11.Rac1 Rae8 12.a4 Qd8 13.a5 ba5 14.b5 Nh5 15.Ra1 f5 16.Ra5 c6 17.Ra7 Qb6 18.Rfa1 f4 19.bc6 Bc6 20.e4 Rb8 21.Nb5 Bb5 22.Bg7 Ng7 23.cb5 Rfc8 24.Qb2 Rb7 25.R7a6 Qb5 26.Qb5 Rb5 27.Rd6 Rb7 28.d4 Kf8 29.Ba6 Ra8 30.Re1 Rc7 31.Bb5 Ke7 32.Rd7 Rd7 33.Bd7 Kd7 34.Kf1 Ne8 35.Ke2 Ra2 36.Nd2 Nd6 37.Kd3 Ra3 38.Kc2 Ra2 39.Kd3 Ra3 40.Ke2 Ra2 41.f3 Nc4 42.Rd1 Ne3 43.Rb1 Nc4 44.Rd1 Ne3 45.Rb1 Nc4 46.Kd3 Nd2 47.Rb7 Kc6 48.Re7 Nb1 49.Re6 Kb5 50.e5 Rg2 51.Re8 Rd2 52.Ke4 Nc3 53.Kf4 Rd4 54.Kg5 Rd7 55.e6 Rb7 56.Rd8 Kc6 ½–½. Kruck,Daniel (2205) – Braginskij,Alexej (2210), SC Tamm–SF Fuerth, 2001.

8.d3 e5 9.Nbd2 Nbd7 10.Rc1 Qe7 11.Nb3 c5 12.a3 Ne8 13.Nfd2 f5 14.Bf3 e4 15.Bg7 Ng7 16.Be2 ed3 17.Bd3 Ne5 18.Be2 f4 19.ef4 Rf4 20.Rc3 Raf8 21.g3 Qg5+= 22.h4 Rh4–+ 23.Nf3?? Rh3 (23...Rh3 24.Nh2 Rh2 25.Kh2 Qh6 26.Bh5 Nh5–+) 0–1. Ioffe,D (2160) – Kalegin,E (2455), 28th Nezhmetdinov mem, 2006.

8.d4 a5 9.a3 Nbd7 10.Nc3 Re8 11.Qc2 Nf8 12.Rfd1 h6 13.Rab1 Qc8 14.d5 e5 15.Nd2 N8d7 16.e4 Qd8 17.Nb3 ab4 18.ab4 Qe7 19.Nb5 Nf8 20.c5 Red8 21.Bc1 Ba6 22.Be3 Bb5 23.Bb5 Ng4 24.Bc1 bc5 25.bc5 Rdb8 26.Bc6 Ra6 27.Qe2+– Qh4 28.h3 Rc6 29.dc6 Nf6 30.cd6 cd6 31.f3 Ne6 32.Be3 Nh5 33.Qf2 Qe7 34.Na5 Re8 35.Rb7 Qf6 36.Rd6 Nhf4 37.Bb6 Qg5 38.Kh2 Nd4 39.c7 Nfe6 40.Rb8 Qf4 41.g3 Nf3 42.Kg2 Nh4 43.gh4 Qe4 44.Kh2 Nd4 45.Re8 Kh7 46.Rh8! Bh8 47.Qf7 Bg7 48.Qg6! Qg6 49.Rg6 Kg6 50.Bd4 1–0. Fabriano,Giuseppe – Cappellani,Vincenzo, Rome op, 1991.

8.d4 a5 9.b5 Nbd7 10.Nbd2 Re8 11.Qc2 e5 12.Rfe1 Qe7 13.a4 Rad8 14.Nb3 ed4 15.Nfd4 Qe4 16.Qe4 Ne4 17.Red1 f5 18.Ra3 Bf6 19.Nd2 Nec5 20.f4 Bd4 21.Bd4 Ne6 22.Bf3 Nd4 23.ed4 Bf3 24.Rf3 Re2 25.Rf2 Re3 26.Rf3 Rde8 27.h3 Nf6 28.c5 Nd5 29.cb6 cb6 30.Rc1 Re1+= 31.Rf1 Rc1 32.Rc1 Nf4 33.Rc6 Re2 34.Nc4 Rg2 35.Kh1 Ra2 36.Rb6? Ra4–+ 37.Rc6 Nd5?? 38.b6–/+ Nb6 39.Nb6 Rd4 40.Rc7 a4 41.Ra7 g5 42.Ra5 Rb4 43.Nd5 Rb3 44.Ra7 Rh3 45.Kg2 Rh4 46.Ne7 Kf8 47.Nf5 Rg4 48.Kh3 Rf4 49.Ng7 Kg8 50.Ne6 Rh4 51.Kg3 h6 52.Kf3 d5 53.Rg7 Kh8 54.Ra7 Rb4 55.Kf2 Rg4 56.Kf3 h5 57.Rb7 a3 58.Ra7 Rg1 59.Ra3 Kh7 60.Rd3 Kg6 61.Rd5 h4 ½–½. Gamb,Roper (1790) – Cardoso,Sergio (2015), RB–2010–0–00088, 2010. (=1.e3 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0–0 5.Be2 b6 6.0–0 Bb7 7.c4 d6 8.d4)

8.d4 a6 9.a4 (9.Nc3 Nbd7+=) 9...Nbd7 (9...c5 10.bc5 bc5 11.d5=) 10.b5 (10.Nbd2 a5 11.ba5 Ra5=) 10...a5 (10...ab5 11.ab5 Ra1 12.Ba1=) 11.Ne1 (11.Nc3 e5=) 11...c5 (11...e5 12.Nc3+=) 12.bc6+= Bc6 13.Nc3 d5 (13...Rc8 14.Nb5+=) 14.Qb3+/– e6 15.Nf3 Ne4 16.Rac1 (16.Rfc1 Rc8+=) 16...Nc3 17.Rc3 (worse is 17.Qc3 Ba4 18.cd5 ed5+=) 17...Rb8 (17...dc4 18.Bc4 Bf3 19.gf3+=) 18.Rfc1 (18.Ba3 Re8+/–) 18...h6 (18...Nf6 19.Ne5 Bb7 20.R3c2+/–) 19.h3 (19.Ba3 Re8+/–) 19...Kh7 (19...Nf6 20.Ne5 Bb7 21.R3c2+/–) 20.cd5 Bd5 21.Qb5 Nf6 22.Ba3 Re8 (22...Rg8 23.Rc7 Rb7 24.Rb7 Bb7 25.Ne5+–) 23.Ne5 (23.Rc7 Rb7 24.Rb7 Bb7+/–) 23...Ne4 24.Rc7 Be5 25.de5 Kg7 (25...Kg8 26.Qe8! Qe8 27.Bb5+–) 26.f3 (better is 26.g3+/–) 26...Ng5?? (better is 26...Qg5 27.fe4 Be4+/–) 27.e4+– Ba2 (27...Be4 28.fe4 Qd4 29.Kh2 Rbd8+–) 28.Bd6 h5 (28...Nh7 29.Qb2 Qh4 30.Qa2+–) 29.Qb2 Bd5 (29...Nh3 30.gh3 Qg5 31.Kf2 Qh4 32.Ke3+–) 30.ed5 ed5 (30...Nh3 31.gh3 Qg5 32.Kh1+–) 31.Rd7! Qd7 32.e6 f6 33.ed7 Re2 34.Qe2 Ra8 (34...Nf7 35.Bb8 Kf8 36.Rc8 Kg7 37.Qe7 b5 38.Qf8 Kh7 39.Qf7 Kh6 40.Qf6 ba4 41.Rh8) 35.Rc8 Rc8 (35...Ne4 36.Ra8 Kf7 37.d8Q Ke6 38.fe4 de4 39.Qe4 Kf7 40.Qde7) 36.Qe7 Nf7 (36...Kh6 37.dc8Q Nh7 38.Qcc7 Kg5 39.Qe3 Kf5 40.Qc2) 37.dc8Q. Barcarola (1700) – nbsny, internet free game, 2018.

8.d4 c6 9.Nbd2 (9.Qb3 a5+=) 9...Na6 (9...Nbd7 10.a3+=) 10.a3 (10.b5 Nc7+=) 10...Nc7 (10...c5 11.Qb3+=) 11.e4 (11.Nb3 a6+=) 11...Nd7 (11...c5 12.Bd3+=) 12.g4 (12.Re1 c5+=) 12...e5 (12...c5 13.Qc2=) 13.d5 (13.Rb1 Ne6 14.d5 Nf4=) 13...cd5 14.cd5 (14.ed5 b5 15.Ne4 Nb6=+) 14...Nf6 (better is 14...f5!? 15.gf5 gf5=+) 15.g5+= Nh5 16.h4 (16.Rc1!?+=) 16...Nf4 17.Ne1 (17.Rc1 Ne2 18.Qe2 Ba6=+) 17...Bc8 (better is 17...f5 18.gf6 Qf6–/+) 18.Bg4? (better is 18.Nd3 Ne2 19.Qe2=+) 18...Ba6–+ 19.Ng2 Ng2 20.Kg2 Bf1 21.Qf1 h5 22.Bh3–/+ f6 23.Nf3 Qe7 24.Bc1 fg5 25.Bg5–/+ Bf6 26.Rc1 Bg5 27.Ng5 Rf4 28.Qc4 Ne8 29.Kg3 Nf6 30.f3 a6 31.Qc6 Rb8 32.Qc7 Qc7 33.Rc7 Rf8 34.Be6+/– Kh8 35.Nf7 Rf7 36.Rf7 (36...b5 37.Ra7+/–) 1–0. Nemec,Zdenek – Dolezal,Jiri, CSR Z–77, 1987.

8.d4 Nc6 9.Qa4 Qd7 10.Nc3 Nd8 11.Qd7 Nd7 12.Nd5 Bd5 13.cd5 Nf6 14.Bc4 a6 (14...c6 15.dc6 d5 16.Be2) 15.Rac1 b5 (15...a5 16.b5) 16.Bb3 Rc8 17.Rfe1 Ng4 18.e4 f5 19.ef5 Rf5 20.Re7 c6? (better is 20...Rf7 21.Rf7 Kf7 22.Ng5 Kg8+–) 21.dc6 Kf8 22.Rd7 Nc6 23.Rd6 Rf6 24.Be6 Re6 25.Re6 Ne7 26.Rc8 Nc8 27.Ra6 Ne7 28.Ra8 Kf7 29.Ng5 Kf6 30.Nh7 Ke6 31.d5! Kd5 32.Bg7 Kc4 33.Re8 Nf5 34.Bf8 (34.Bf8 Kd5 35.h3+–) 1–0. Anonymous – Anonymous, internet, 2011.

8.d4 Nc6 9.b5 Nb4?? 10.a3+– Ne4 (10...Na6 11.ba6 Ba6+–) 11.ab4 c5 12.bc6! Bc6 13.b5 Bb7 14.Nc3 Nc3 15.Bc3 e6 16.Qb3 a6 17.ba6 Ba6 18.Rfb1 Bc4 (18...d5 19.Ra6! (worse is 19.Qb6 Bc4 20.Qd8 Rfd8 21.Ra8 Ra8 22.Bc4 dc4+–) 19...Ra6 20.cd5+–) 19.Bc4 Ra1 20.Ra1 d5 21.Bd3 Bf6 (21...Qc7 22.Bd2+–) 22.Bb4 Re8 (22...Be7 23.Be7 Qe7 24.Qb6+–) 23.Bb5 Qa8 (23...Kg7 24.Be8 Qe8 25.Bd6+–) 24.Ra8 Ra8 25.g4 Ra1 26.Kg2 1–0. Heqexe – Stucer, internet, 2017.

8.d4 d5 9.Nc3 dc4 10.Bc4 Nbd7 11.b5 (11.Qe2 c5 12.bc5 bc5+=) 11...Rc8 (11...c6 12.bc6 Bc6 13.Rc1+=) 12.Ba3 (better is 12.d5+=) 12...Re8?? (better is 12...c6 13.Rc1 cb5 14.Bb5 Re8=) 13.Bf7!+– Kf7 14.Ng5 Kf8 (14...Kg8 15.Ne6+–) 15.Ne6 (15.Ne6 Kg8 16.Nd8 Rcd8 17.Qa4+–) 1–0. Wall,Bill – Jhmonteclaro, chess.com, 2008.

8.d4 d5 9.c5 bc5 10.dc5 Ba6 11.Ba6 Na6 12.a3 c6 13.Bf6 Bf6 14.Nd4 Rc8 (14...Qc7 15.Nc3=) 15.Qa4+/– Nb8 (15...Nc7 16.Rd1+=) 16.Qa7 e5 17.Nb3 d4 (17...e4 18.Nd4+/–) 18.N1d2 de3 19.fe3 e4 (19...Bg5 20.Nc4+–) 20.Rad1 Qd3? (better is 20...Rc7 21.Qb6 Nd7+–) 21.Rf6 1–0. Bonetti,Shane – NME, ICC, 2002.

8.d4 Nfd7 9.Qc2 e6 10.b5 f5 11.Nbd2 Nf6 12.c5 c6 13.a4 d5 (13...dc5 14.dc5 cb5 15.ab5 bc5 16.Qc5+=) 14.Ne5 bc5 15.bc6 (15.dc5!? Qc7 16.Rfb1+/–) 15...Nc6= 16.Nc6 Bc6 17.Qc5 Rc8 18.Rfc1 Bd7 (18...Qd7 19.Qa5+=) 19.Qa3 (19.Qa7 Ra8 20.Qc5 Ba4+=) 19...Rf7 20.Nf3 Bf8 21.Qa2 Ne4 22.Ne5 Rg7 23.Ba3 (better is 23.Rc8 Qc8 24.Rc1+/–) 23...Nc3+= 24.Qd2?? (better is 24.Rc3 Rc3 25.Bf8 Qf8 26.Qb2+=) 24...Ne2–+ 25.Qe2 Ba3 26.Rc8 Qc8 27.Ra3 (27.a5–+) 27...Qc1 28.Qf1 Qa3 0–1. Monterde Pastor – Aguilera (1895), San Jose op, 1998. (=1.Nf3 b6 2.e3 Bb7 3.Be2 g6 4.d4 Nf6 5.c4 Bg7 6.0–0 0–0 7.b4 d6 8.Bb2)

8.d4 Ne4 9.Qc2 Nd7 10.Nbd2 Nd2 11.Nd2 c5 12.dc5 Bb2 13.Qb2 dc5 14.b5 Qc7 15.Bf3 Rfd8 16.Rfd1 a6 17.a4 Ne5 18.Bb7 Nd3 19.Qb3 Qb7 20.Nf3 Nb4 21.Rd8 Rd8 22.Rd1 Rd1 23.Qd1 ab5 24.Qd8 Kg7 25.ab5 Qe4 26.h4 Qe6 27.Qc7 Nd3 28.Qd8 Nb2 29.Nd2+= h5 30.g3 Nd1 31.Qd3 Qf6 32.Qe2 Nb2 33.Ne4 Qe5 34.Qc2 Na4 35.Qa4 Qe4 36.Qa7 Qe6 37.Qb7 f6 38.Kg2 Kf7 39.Kg1 Kf8 40.Qb8 Kg7 41.Qc7 Kf7 42.Qb7 Qd6 43.Kg2 Kg7 44.Qc6 Kf7 45.Qb7 Qe6 46.Kg1 ½–½. Slabek,Grzegorz (2190) – Picard,Romain, Cracovia Krakow Poland, 2008. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7 7.0–0 d6 8.c4)

8.d4 Ne4 9.Nbd2 c5 10.bc5 dc5 11.Ne4 Be4 12.Qb3 cd4 13.ed4 Nc6 14.Qe3 Bf3 15.Bf3 Rc8 16.Bc6 Rc6 17.Rac1 Qc7 18.Ba3 Rc4 19.d5 Rc1 20.Rc1 Qd7 21.Be7 Bh6 22.Qh6 Qe7 23.Qd2 Rd8 24.Qd4 Qa3 25.Rd1 (25.Ra1 Rc8 26.Qd2 Qd6=) 25...Qa2+= 26.h4 Qe2 27.h5 (27.d6!?–/+) 27...Qh5 28.g4 (28.Re1!?–/+) 28...Qg5 29.d6 h5 30.Kf1 (30.f3–+) 30...Qg4 31.Qd5 Qe6 32.Qc6 Kg7 33.Qc3 Kh7 34.Qc7 (34.Qb4 Re8 35.Kg1 a5–+) 34...Qd7 (34...Qh3!? 35.Kg1 Qg4 36.Kh2–+) 35.Qc3 Re8 36.Qf6 (36.Rd5 Rc8 37.Qf3 Rc1 38.Kg2 Kg8–+) 36...Re4 (better is 36...Qh3 37.Kg1 Qg4 38.Kh2 Qd1 39.Qf7 Kh6 40.Qe8 Qd6 41.Kh3–+) 37.Rd3 Re6 38.Qd4 Qc6 39.Kg1 (39.Qd5 Qd5 40.Rd5–+) 39...Re1 40.Kh2 Rh1 (better is 40...Qh1 41.Kg3 g5–+) 41.Kg3 Rg1 (41...Rg1 42.Kf4 Rg4 43.Ke3 Rd4 44.Rd4 Qc3 45.Rd3 Qe1 46.Kd4 Qf2 47.Kc3 Qf6 48.Kc2 g5–+) 0–1. Nachtkamp,Herbert (2105) – Martin,Andreas (2215), Seefeld op, 1998. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.Be2 d6 5.b4 0–0 6.Bb2 b6 7.c4 Bb7 8.0–0)

8.d4 Ne4 9.Nbd2 Nd7 10.Ne4 Be4 11.Qb3 e6 12.a4 a5 13.b5 Qe7 14.Rad1 Bb7 15.Ba3 Rfe8 16.Rd2 Rad8 17.Rc1 e5 18.Qc2 (18.Bb2 ed4 19.Bd4 Ne5=) 18...ed4 (18...Bf3!? 19.Bf3 ed4–/+) 19.Nd4= (19.ed4? Bf3 20.gf3 Bh6–+) 19...Ne5 20.Bf1 Ng4 21.Bb2 Qe5 22.Nf3 Qh5 23.h3 Bf3 24.gf3 Nh6 25.Rd5 Qh4 (25...Qf3?? 26.Bg2 Qf5 27.Rf5 Nf5 28.Rd1+–) 26.Bg7 Kg7 27.Qc3 Qf6 28.Bg2 Qc3 29.Rc3 Ng8 30.f4 f5 31.Rd4 Rb8 32.Bc6 Re7 33.Rcd3 Nf6 34.f3 Nh5 35.Kf2 Kf6 36.Rd1 Rf8 37.Bd5 Kg7 38.Bc6 Nf6 39.Rf1 h6 40.e4 (better is 40.Ke2!?=) 40...fe4–/+ 41.Rg1 Nh5 42.Re4 Re4 43.Be4 Nf4 44.Rg3 Rf6 45.Ke3 Kf7 46.h4 Ke6 47.Rg4 Ke5 48.Bc6 d5 49.cd5 Nd5 50.Bd5 Kd5 51.Rd4 Ke6 52.Rc4 Kd7 53.Ke4 c5 54.bc6 Rc6 55.Rd4 Ke6 56.Kf4 Rc5 57.Re4 Kf6 58.Kg4 b5 59.ab5 Rb5 60.Re8 h5 61.Kf4 Rb4 62.Kg3 a4 63.Ra8 Ke5 64.Ra6 Kd5 65.Rg6 Kc4 66.Kf4? Rb5 67.Rc6 Kb3 68.Re6 a3 69.Re3 Kb2 70.Re2 Kc1 71.Re1 Kd2 72.Ra1 Ra5 73.Ke4 a2 74.f4 Kc2 75.f5 Kb2 76.Ra2 Ra2 77.f6 Kc3 78.Kf5 Rg2 79.f7 Kd4 80.f8Q Rf2 81.Kg5 Rf8 82.Kh5 Rh8 83.Kg5 Ke5 84.h5 Rg8 85.Kh6 Kf6 86.Kh7 Rg5 87.h6 Re5 (87...Re5 88.Kg8 Re8 89.Kh7 Re7 90.Kg8 Rc7 91.Kh8 Kg6 92.h7 Rc8; 87...Rg6 88.Kh8 Rh6 89.Kg8 Rh5 90.Kf8 Rh8) 0–1. Jeric,Aleksander – Faganel,Ernest, SLO–ch2 corr, 1995. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7 7.0–0 d6)

8.d4 e6 9.Nc3 c5 10.a3 Qe7 11.Qb3 ½–½. Kaenel,H (2305) – Ekstroem,R (2480), ch–SUI, Graechen SUI, 2009. (=1.Nf3 b6 2.c4 g6 3.e3 Bg7 4.d4 Bb7 5.Be2 Nf6 6.0–0 0–0 7.b4 d6 8.Bb2)

8.d4 e6 9.Nbd2 Nbd7 10.Qc2 c5 11.a3 Qe7 12.Nb3 Rac8 13.Rfe1 d5 (13...cd4 14.ed4 (worse is 14.Bd4 d5–/+) 14...e5 15.de5 de5 16.Rad1+=) 14.dc5= bc5 15.b5 Rfd8 16.a4 dc4 17.Na5 Be4 18.Qc4 Bd5 19.Qc1 Qd6 (19...c4 20.Nd2 (20.Nc4? Nb6–+; 20.Bc4? Nb6–+) 20...c3 21.Bc3–/+) 20.Nc4 Qb8 21.Nfe5 Ne4 22.Nd7 Rd7 23.Bg7 Kg7 24.Qb2 Kg8 (better is 24...f6!? 25.f3 Ng5+=) 25.Ne5+/– Rb7 (25...Rdd8 26.f3 Nf6 27.Red1+/–) 26.f3+– Nd6? (better is 26...c4 27.fe4 c3+–) 27.e4 Bc6 (27...c4 28.Qc3 Be4 29.fe4+–) 28.Ng4 (28.Nc6?! Rc6 29.Qd2 Rc8+/–) 28...h5 (28...a6 29.Nh6 Kf8 30.Qh8 Ke7 31.Qg7 ab5 32.ab5 Bb5 33.e5+–) 29.Nf6 Kf8 30.Qd2 Be8 (30...Bd7 31.Rad1 Kg7 32.Qc3+– (32.Qd6?! Qd6 33.Nh5 gh5 34.Rd6 c4+–)) 31.Rad1 Kg7 32.Qc3 (32.Qd6?! Kf6 33.Qd2 Rd7+/–) 32...Kh6 33.Qd2 Kg7 34.Qg5 (34.Qd6?! Kf6 35.Qf8 Bd7+/–) 34...a6 (34...c4 35.Nh5 Kf8 36.Nf6+–) 35.Qe5 (35.Qe5 Nb5 36.Ne8 Kf8 37.Qb8 Rbb8 38.ab5 Ke8 39.ba6+–) 1–0. Guramishvili,Sopiko (2415) – Ritsema,Ronald (2055), Hoogeveen NED, 2012. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7 7.0–0 d6)

8.Nd4 c5 9.Nc2 Nbd7 10.f4 e6 11.Bf3 Bf3 12.Qf3 Qc7 13.b5 d5 14.Nba3 Ne4 15.Bg7 Kg7 16.Qe2 Ndf6 17.d3 Nd6 18.Ne1 Rad8 19.g4 dc4 20.Qb2 Nde8 21.g5 cd3 22.Qc3 Qd7 23.Rd1 c4 24.Nc4 Qb5 25.Rd3 Rc8 26.gf6 Nf6 27.Nd6 Rc3 28.Nb5 Rd3 29.Nd3 a6 30.Nd4 1–0. Kreuzer – Sessler, tt, 1987.

8.d4 c5

9.a3 Na6 10.bc5 bc5 11.Nc3=.

9.a3 cb4 10.ab4+= Nbd7 (10...a5 11.ba5 ba5 12.Nc3+=) 11.Nc3+/– e6 12.b5 Qe7 13.Ba3 (13.Qc2 Rfc8+=) 13...Rfd8+= 14.Qc2 Nf8 (14...e5 15.Rfe1+=) 15.Bb4+/– Qd7 (15...N8d7 16.h3+/–) 16.Ra4 Rdc8 (16...a6 17.ba6 Ba6 18.h3+–) 17.Rfa1+– d5 (17...Qc7 18.Qb2+–) 18.Ra7 Ra7 (18...dc4 19.Ne5 Qc7 20.Nc4+– (20.Bc4?! N8d7 21.Ra8 Ba8 22.Nd7 Qd7+/–)) 19.Ra7 Ra8 (19...dc4 20.Ne5 Qc7 21.Bf3+–) 20.Ra8 Ba8 21.c5 bc5 22.dc5 Qa7 (22...Qc8 23.c6 Bc6 24.bc6 Qc6 25.Nd4+–) 23.c6 Qb6 (23...Qb8 24.Na4 Qc7 25.Nc5+–) 24.Qa4 Qb8 25.b6! Bc6 (25...Qb6 26.Qa5 Double attack (26.Qa8 Deflection; 26.Qa5 Decoy)) 26.Qc6 N8d7 (26...N6d7 27.b7 d4 28.ed4 Qd8+–) 27.b7 Bf8 28.Qc8 (28.Qc8 Ng4 29.Bf8 Qb7 30.Qb7 Nf8 31.Bb5+–) 1–0. Vendelo – Sumum, internet free game, 2018.

9.a3 e6 10.Nc3 Nbd7 11.dc5 dc5 12.Nb5 a6 13.Nd6 Bc6 14.Qc2 Qc7 15.Rfd1 cb4 16.ab4 a5 17.b5 Bd5 18.Ba3 Bf3 (18...Rfd8 19.Ng5 e5 20.Rac1+/–) 19.Bf3 (worse is 19.gf3 Rfd8 20.Bb2 Nc5+=) 19...Ra7 20.Ra2 (20.e4 Ne8 21.Ne8 Re8+=) 20...Nc5 21.Bc5 Qc5 22.Ne4 Ne4 23.Qe4 Rc7 24.Be2 Rfc8 25.Qf4 Be5 26.Qe4 Bc3 27.Qd3 Be5 28.Qa3 Qa3+= 29.Ra3 Kf8 30.f4= Bf6 31.Kf2 Ke7 32.Rad3 a4 33.R1d2 e5 34.Ra3+= Ra7 35.Rda2 ef4 36.ef4 Bd4 37.Kf1 Rca8 38.Bd1 Kf6 39.Ra4 Ra4 40.Ba4 h5 41.g3 Bc5 42.Kg2 Rd8= 43.Kh3 Rd3 44.Rb2 Rc3 ½–½. Frenzel,Lothar – Wall,Bill, corr, 2006.

9.b5 a6 10.a4 a5 11.Qc2 (11.dc5 dc5 12.Qc2 Nbd7=) 11...Be4 (11...cd4 12.Nd4 Qc7 13.Nc3=) 12.Qc3 cd4 13.Qd4 (13.ed4 Nbd7=) 13...Ra7 (13...Nbd7 14.Nc3 Bb7 15.Qh4+=) 14.Nbd2 Bf3 (better is 14...Bb7 15.Qh4 Nbd7+=) 15.Bf3?? (better is 15.Nf3 Nbd7 16.Qh4=) 15...Nh5–+ 16.Qe4 (16.Qd3 Bb2 17.Ra2 Bg7–+) 16...Bb2 17.Ra2 Nf6 18.Qd3 Be5 19.Nb3 Nbd7 20.Nd4 (20.Rd2 Qc8–+) 20...Bd4 (20...Rc7 21.Nc6 Nc5 22.Nd8 Nd3 23.Nc6–+) 21.ed4 Rc7 (21...e5 22.Re1–+) 22.Bc6 White prepares d5 22...e5 23.d5 (23.Re2–+) 23...Nc5 24.Qe3 (24.Qf3 Nh5–+) 24...Nfe4 (24...Ng4 25.Qc3–+) 25.Re1 (25.f3 Nf6–+) 25...f5 26.f3 (26.Ra3 Qh4–+) 26...Nf6 Black plans e4 (26...f4 27.Qa3 Qh4 28.Rae2–+) 27.Qg5 Qe7 Black intends e4 28.Qe3 e4 29.Qc3 (29.Ree2 Nh5 30.Ra3 Qe5–+) 29...Nd3 (29...Nh5 30.g3–+) 30.Ree2 (30.Rf1 Qe5 31.Qe5 Ne5–+ (worse is 31...de5 32.d6 Ra7 33.Rd2–+)) 30...Nb4 (30...Nh5!? 31.Re3–+) 31.Ra1 (31.Rad2 Qg7–+) 31...Qg7 32.Qe3 (32.Rd1–+) 32...Nfd5 33.Bd5 (33.cd5 Qa1 34.Re1 Qa4–+) 33...Nd5 34.Qa3 (34.Qc1 Qd4 35.Kh1 Rc4–+) 34...Nb4 (34...Qd4 35.Kh1 Rc4 36.Qb2 Ra4 37.Qd4 Rd4 38.h3–+) 35.fe4 (35.Rd1 Rc4 36.Qb3 d5 37.Rd5 Rc3–+) 35...Qd4 36.Kf1 (36.Kh1 fe4 37.Qb2 Qc4 38.Qd2–+) 36...fe4 37.Ke1 (37.Qf3 ef3 38.gf3 Rcf7 39.Kg2 Rf3 40.Rg1 Rf1 41.Kh3 Rg1 42.Rg2 Rg2 43.Kg2 Qg4 44.Kh1 Rf1) 37...Nd3 (37...Nd3 38.Kd2 Ne5 39.Kc2 Rc4 40.Kb3 Rc3 41.Ka2 Qd5 42.Kb1 Qd3 43.Ka2 Ra3 44.Kb2 Nc4 45.Kc1 Ra1; 37...Rcf7 38.Qf3 ef3 39.Rea2 fg2 40.Rg2 Rf1 41.Ke2 Qd3) 0–1. kingcrimson73 (1745) – alanmck64 (1650), gameknot.com, 2018. (=1.d4 Nf6 2.c4 g6 3.e3 Bg7 4.Nf3 0–0 5.Be2 d6 6.0–0 b6 7.b4 Bb7 8.Bb2 c5)

9.b5 a6 10.Nc3 ab5 11.cb5 Nbd7 12.a4 Qc7 13.Rc1 cd4 (13...Rfe8 14.d5–/+) 14.ed4+= Rfc8 15.Ng5 h6 16.Nf3 Qd8 17.Re1 Ne4 18.Bd3 Ndf6?? (better is 18...Nc3 19.Rc3 Rc3 20.Bc3 e6+=) 19.Ne4+– (worse is 19.Re4 Rc3 20.Bc3 Ne4 21.Be4 Be4=; 19.Be4?! Ne4 20.Ne4 Rc1 21.Bc1 Qc7+–) 19...Rc1 20.Nf6 (20.Nf6 Bf6 21.Bc1+–) 1–0. Janek – Gu06, free chess online, 2018.

8.d4 Nbd7

9.a4 a6 10.Nc3 Ne4 11.Ne4 Be4 12.Qb3 e6 13.Rfd1 Qe7 (13...a5 14.b5+=) 14.Rac1 (14.Nd2 f5+=) 14...Rab8 (14...c5 15.dc5 Bb2 16.Qb2 bc5 17.b5=) 15.d5 (15.b5 Ra8+=) 15...Bb2 (15...Nc5 16.Qa2 (16.bc5? bc5 17.Bg7 Rb3 18.Bf8 Kf8–+) 16...Bb2 17.Qb2 Na4 18.Qa3 Bf3 19.Bf3=) 16.Qb2 Bf3 17.Bf3 a5 18.de6 (18.b5 Nc5=) 18...fe6 19.Bc6 (19.b5 Nc5=) 19...Ne5+= 20.b5 (20.Be4 ab4 21.Qb4 Qh4=) 20...Qh4 (20...Nc6 21.bc6 Qe8 22.Qb5–/+) 21.g3 (21.Rd2 Nc6 22.bc6 Qe4+=) 21...Qh5 (21...Qf6 22.Rd2 Nc6 23.Qf6 Rf6 24.bc6 Rf5–/+) 22.f4 (better is 22.Bh1+=) 22...Ng4?? (better is 22...Nc6 23.bc6 Qc5–/+) 23.Bf3 Qf5 24.Qd4 (24.Qe2 Nh6 25.c5 dc5 26.Rd7+=) 24...e5 (24...Qh5 25.Qd2 Qh3 26.Rc3+=) 25.Qc3 (better is 25.Bg4!? Qg4 26.fe5+/–) 25...Nf6 26.Bg2 (26.Bc6 ef4 27.ef4 Rf7+=) 26...Rbe8 27.Re1 (27.Bc6 Re7=) 27...g5 (27...e4 28.Red1=) 28.Rf1 (28.fg5 Qg5 29.Bd5 Kg7=) 28...ef4 (28...gf4 29.Bc6 Re6 30.Rce1=) 29.ef4 g4 30.Rfe1 (30.Rce1 Re1 31.Re1 Qc5 32.Kh1 Qf5=) 30...Kf7 (30...Re1 31.Re1 Qc5 32.Kh1=) 31.Qd4 (31.Bd5 Kg7+=) 31...Re1= 32.Re1 Re8 33.Re8 Ke8 34.Qe3 (34.Bf1 Qe6=) 34...Kf7 35.h3 (better is 35.Qe2!?=) 35...gh3–/+ 36.Bf3 (36.Bf1 h2! 37.Kh1 Qc2–/+) 36...h5 (36...Qc2 37.Qe2 Qa4 38.Kh2–/+) 37.Qe2 Ng4 38.Bd5 Kf8 39.Be4?? (better is 39.Qb2 Nf6 40.Qd4–/+) 39...Qf6 (better is 39...Qc5 40.Kh1 Qd4–+) 40.Bb1 (40.Kf1 Qa1 41.Qe1 Qa4 42.Bc6 Qc4 43.Kg1–+) 40...Qd4 41.Kh1 Qc3 (better is 41...h2 42.Qf1 Qd2–+) 42.Qc2 (42.Bd3–+) 42...Qe1 0–1. Sargissian,Gabriel (2670) – Le Roux,Jean_Pierre (2560), London CC Superblitz KO, 2017. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.Be2 0–0 5.0–0 b6 6.b4 Bb7 7.Bb2 d6 8.c4 Nbd7)

9.a4 c5 10.dc5 bc5 11.b5 d5 (11...Qa5 12.Bc3 Qc7 13.a5+=) 12.Nbd2 e6 13.Nb3 dc4 14.Bc4 Nb6 15.Be2 Qe7 16.Nbd2 Rfd8 17.Qc1 Rac8 18.Nc4 Nc4 19.Qc4 Bd5 20.Qc2 c4 21.Ba3 Qc7 22.Rac1 Qa5 (22...Qb7!?+=) 23.Be7+= Rd7 24.Bf6 Bf6 25.e4 Bb7 Black intends c3 26.Rfd1 Rd1 27.Bd1 (27.Rd1 c3=) 27...c3 28.Qe2 Qb4 29.Bc2 Qb2 30.Rb1 Qa2 31.Ne1 Rc4 32.Qg4? (32.Qf3 Be5=) 32...h5?? (better is 32...Be4 33.Qd1 Rd4–+) 33.Qf4 Kg7 34.f3 (34.Qe3 Bd4 (worse is 34...Ra4 35.Rd1 Rb4 36.e5+=) 35.Qg3 Ra4+=) 34...Ra4+= 35.Qc7? (better is 35.Qb8!? Bd4 36.Kh1–/+) 35...Bd4 36.Kh1 (better is 36.Kf1 Qc4 37.Qc4 Rc4 38.Ke2–+) 36...Bf2?? (better is 36...Qc4 37.Qc4 Rc4–+) 37.Qc3+/– (worse is 37.Qb7 Be1 38.Re1 Qc2–/+) 37...Kg8 (37...Kh7 38.Qf6 e5+=) 38.Qb3?? (better is 38.Rd1 Bb6 39.Ba4 Qa4 40.Qd3+–) 38...Qb3 39.Bb3 (39.Rb3?? Ra1 40.Rb1 Rb1 41.Bb1 Be1–+) 39...Rd4 40.Nc2 Rd2 41.Nb4 (41.Na3 Kg7=) 41...Kf8 42.g3 Ke7 43.Rd1 Rd1 44.Bd1 Kd6 45.Be2 Bb6 46.Na6 ½–½. algernon (2330) – kuksifae (2485), net–chess.com, 2014.

9.Qb3 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 e5 13.de5 Ng4 14.Nc3 Nge5 15.Ne5 Ne5 16.Nd5 c6 17.Nf4 Qe7 18.Rd1 Rd8 19.Bd4 Nd7 20.Bg7+/– Kg7 21.Qc3 Qe5 22.Qd4 Qd4 23.Rd4 Nf6 24.c5 bc5 25.bc5 d5 26.Rb4 Bc8 27.Rb6 Bd7 28.f3 Ra8 29.Ba6 Be8 30.Nd3 d4= 31.e4 Nd7 32.Rc6 Nc5 33.Rc5 Ra6 34.Rd5 Ra4 35.h4 Bc6 36.Rd6 Bb5 37.Nf4 h6 38.Kh2 Kf8 39.e5 g5 40.hg5 hg5 41.Nd5 Bf1 42.Kg1 Bd3 43.Nf6 Ke7 44.Nd5 Ke8 45.Kf2 Bf5 46.g4 Be6 47.Nf6 Ke7 48.Kg3 ½–½. Gaprindashvili,V (2475) – Jobava,Ba (2565), 3rd IECC, Batumi GEO, 2002. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 b6 5.c4 Bb7 6.Be2 d6 7.0–0 Nbd7 8.d4 0–0)

9.Qb3 Rb8 10.Rd1 c5 11.Nc3 a6 12.a3 e6 13.Nd2 Qc7 14.Bf3 cd4 15.ed4 Bf3 16.Nf3 Rbc8 17.Nd2 Bh6 18.Nce4 Ne4–/+ 19.Ne4 f5 20.Qh3 Kg7 21.Nd2 Bd2 22.Rd2 Qc4 23.Qe3 Qd5 24.Re2 Rfe8 25.Rc1 Nf6 26.Rec2 Rc2 27.Rc2 Kf7 28.Qc1 Re7 29.Rc6 Nd7 30.h3 e5 31.de5 de5 32.Rc8 f4 33.Qc7 Nc5 34.Qb6? Na4–+ 35.Qa6 Nb2 36.Rc5 Qd4 37.Qe2 e4 0–1. Sorensen,Bent (2200) – Jakobsen,Ole (2430), DEN–ch Hjorring, 1971.

9.Qb3 c5 10.bc5 dc5 11.d5 Qc7 12.Nc3 a6 13.a4 Bc8 14.Qa3 Ne8 (14...Rd8 15.a5+=) 15.Ne4 (15.a5 Nef6+=) 15...Ndf6 16.Be5 Nd6 (16...Qd8 17.Nf6 Nf6 18.a5+=) 17.Qb2 Qd8 18.Nf6 ef6 19.Bd6 (19.Bf4 g5 20.Bg3 f5+/–) 19...Qd6 20.Rab1 Rb8 21.Rfd1 Bf5 22.Rbc1 (22.Bd3 Bg4=) 22...Bd7 23.Qb3 Rfe8 24.Nd2 f5 25.Bf3 (25.Bd3 f4 26.Ne4 Qe5 27.ef4 Qf4+=) 25...Be5 26.Nf1 (26.g3 h6+=) 26...g5 (26...f4 27.e4+=) 27.Re1 b5 (27...f4 28.Be4+=) 28.ab5 ab5 29.cb5 Rb5 30.Qc2 Ra5 31.e4 (31.Red1!?=) 31...g4–/+ 32.Qd2 (32.Be2!? fe4 33.Bc4–/+) 32...Rea8 33.Bd1 Bf4 34.Ne3 Bh2 (34...fe4 35.g3 Bg5 36.Qc2 Be3 37.Re3 Qd5 38.Re4–+) 35.Kf1 Bf4 (35...fe4 36.Nc4 Qf4 37.Qf4 Bf4 38.Na5 Bc1 39.Nc6–/+) 36.g3 Bg5 37.Qc2 (37.ef5 Ra2 38.Qc3 Qh6+=) 37...Qh6 38.Kg1 Qf6 (38...Ra2 39.Qc4 f4 40.Bb3 fe3 41.Ba2 ef2 42.Kf2–+) 39.ef5–/+ Bf5 (39...Be3 40.fe3 Qe5 41.Qf2 Bf5 42.Rf1–/+) 40.Qc3 (better is 40.Nf5 Bc1 41.Ne7 Kf8 42.Qc1+=) 40...Qg6–/+ 41.Nf5 (41.Bc2 Be3 42.Re3 Bc2 43.Qc2 Qc2 44.Rc2 Kf8–/+) 41...Qf5+= 42.Re5 (42.Bc2 Qd5 43.Be4 Qd8+=) 42...Qf6–/+ 43.Rb1 Ra3 44.Qe1 h5 (44...Ra1 45.Bc2 R1a2 46.Re8 Re8 47.Qe8 Kg7 48.Qe4+=) 45.d6 Kg7 (45...Bd2 46.Qe4 Qd6 47.Rh5=) 46.Qe4 (46.Rc5 R8a6 47.Rbb5 Bh6 48.Rh5 Qd6 49.Bg4 Be3+/–) 46...Ra1 (46...Ra2!? 47.f4 gf3 48.Bf3 R8a3+=) 47.Bc2= Rb1 48.Bb1 Rh8 (better is 48...Rd8!?=) 49.Rc5+/– Rh6? (better is 49...Qh6+/–) 50.Qd5+– Qa1 (50...Kf8 51.Qg5 Qg5 52.Rg5 Rd6 53.Kg2+–) 51.Qg5 Rg6 52.Qe5 (better is 52.Qc1!? Rd6 53.Rh5 Kf8+–) 52...Qe5 53.Re5 Rd6 54.Be4 Kh6 55.Rf5 f6 56.Kg2 Re6 57.Bd5 Rb6 58.Bf7 Rb7 (58...Kg7 59.Bh5 Rb4 60.Rf4 Rf4 61.gf4+–) 59.Bh5 (59.Rh5 Kg7 60.Be6 Rb4+–) 59...Rg7 (59...Rb4 60.Rd5+–) 60.Be8 (60.f3 gf3 61.Bf3 Kg6+–) 60...Re7 61.Ba4 (61.Bb5 Kg6 62.Bd3 Re6+–) 61...Kg6 62.Rf4 (62.Bc2 Re2 63.Rc5 Kf7+–) 62...f5 (62...Kg5 63.Rd4+–) 63.Bc2 Re5 64.Rg4 Kf6 65.Rf4 Kg5 66.Rf5 (66.Rf5 Rf5 67.Bf5 Kf5 68.f3+–) 1–0. Kreuzer,Martin – Jertic, tt, 1991.

9.Qb3 c5 10.Rd1 cd4 11.ed4 h6 12.Nc3 Re8 13.d5 Nh7 14.Nb5 Nhf6 15.Nbd4 Qc8 16.Rac1 Ba6 17.Nc6 Nd5? (17...Bb7 18.Nfd4) 18.cd5 Be2 19.Re1 Bf3 20.Ne7 Re7 21.Rc8 Rc8 22.Re7 Bd5 23.Qd5 Bb2 24.Qf7 1–0. Wall,Bill – Bagdu,Ismail, chess.com, 2012.

9.Qb3 Ne4 10.Nc3 Nc3 11.Bc3 e5 12.a4 e4 13.Nd2 f5 14.f4 (14.a5!?+=) 14...ef3= 15.Bf3 Bf3 16.Rf3 Nf6 (16...c5 17.a5=) 17.a5+= Qe7 18.b5 Ne4 (18...Bh6 19.Kh1+=) 19.Ne4 fe4 20.Rh3 (20.Rf8 Rf8 21.Qc2 Bh6+=) 20...Qg5 (20...Qf7!? 21.Qa2 a6=) 21.Qc2 Rae8 22.Rg3 Qf5 23.Qe2 h5 (23...Rc8 24.Rg4+=) 24.Rh3 (24.Rc1 ba5 25.Ra1 Rf7+=) 24...Rf7 25.Rf1 (better is 25.Bb4!?+=) 25...Qf1=+ 26.Qf1 Rf1 27.Kf1 Bf6 (27...c5 28.a6=) 28.Ke2 Kg7 29.a6 d5=+ 30.Bb4 dc4–/+ 31.Kd2 Bg5 32.Kc3+/– Re6 33.Kc4 Rf6 34.Kd5 Rf1 35.Ke4 Rb1 36.Bc3 Rb5 37.Rf3 Bf6 38.Kd3 c6 39.Kc4 Rb1+= 40.e4 c5?? 41.e5+– Be7 42.dc5 Bc5 43.e6 Kg8 44.Rf7 Rd1 45.Ra7 Rg1 46.Rg7 Kf8 47.a7 (47...Ra1 48.Ba1 b5 49.Kc5 Ke8 50.a8Q) 1–0. Trkn – zug_zwang (1745), ICC, 2004.

9.Qb3 Qe8 10.Nc3 e5 11.de5 de5 12.Nb5 e4 13.Nc7 Qc8 14.Na8 ef3 15.Bf3 Bf3 16.gf3 Qa8 17.e4 Qb8 18.Rfe1 Re8 19.Rad1 Ne5 20.f4 Neg4 21.e5 Nh5 22.Qf3 Qc8 23.c5 bc5 24.bc5 Qf5 25.h3 Nh6 26.Bc1 Bf8 27.c6 Rc8 28.Be3 a6 29.Rd7 Qe6 30.Rc1 Nf5 31.Qd5 Nhg7 1–0. Dobrzhanskaia,Irina – Mikhalsky,Vladimir, Kiev Spring op, 1999. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.e3 0–0 6.c4 Nbd7 7.Be2 b6 8.0–0 Bb7)

9.b5 a6 10.Nc3=.

9.b5 Ne4 10.Nbd2 c5 11.bc6 Bc6 12.Ne4 Be4 13.Nd2 Bb7 14.Bf3 Bf3 15.Qf3 (< 15.gf3 e6=+) 15...e5 16.Qc6 ed4 17.ed4 Nc5 18.Rab1 Rc8 19.Qd5 Ne6 20.Ne4 (better is 20.Rfe1!?+=) 20...Nf4=+ 21.Qd6 (21.Qb5 Ne2 22.Kh1 Re8=+) 21...Qh4 (21...Ne2!? 22.Kh1 Rc4=+ (< 22...Bd4 23.Bd4 Nd4 24.Nf6 Kg7 25.Nd7 Rc4 26.Rfd1+/–; 22...Nd4?! 23.Bd4 Bd4 24.Qd5=)) 22.Ng3 Rc4 23.d5 (23.Qa3 Qg5 24.Qe3 Qf6=) 23...Bb2= 24.Rb2 Rc5 (24...Qd8 25.Qd8 Rd8 26.Rd1 Rd5 27.Re1–/+) 25.Qd7 (25.Ne4 Nh3 26.gh3 Qe4=+) 25...Ra5 (better is 25...Nd5!? 26.Rd2 Rd8 27.Qa7 Rc7=) 26.d6+= Rd8 27.Qc7 Ne6 28.Qc6 Qd4 29.Rc2 0–1. Horch – Engelbrecht, Stassfurt, 1991.

9.Nc3 a5 10.a3 c5 11.bc5 dc5 12.Rb1+=.

9.Nc3 a5 10.a3 Ne4 11.Ne4 Be4 12.Nd2 Bb7 13.Bf3 Bf3 14.Qf3 (worse is 14.gf3 c5+=) 14...e5 15.Bc3 ab4 16.ab4 Kh8 (16...ed4 17.ed4 Re8 18.b5+=) 17.Qc6+/– Ra1 18.Ra1 Nb8 19.Qb7 ed4 20.Bd4 Bd4 21.ed4 c5 22.bc5 bc5 23.d5 Qf6 (23...Kg8 24.Ra7+/–) 24.Re1 (24.Ra8 Qd8+–) 24...Rd8? (24...Qc3!? 25.Nf3 Qf6+=) 25.g3 (25.Ne4 Qe5 26.Qf7 Re8+–) 25...Nd7 (better is 25...Kg7 26.Ne4 Qd4+–) 26.Qc7 h5 (26...Kg7 27.Ne4 Qe7 28.Re3+– (28.Qd6?! Qd6 29.Nd6 Nb6+/–)) 27.Ne4 Qe7 28.Re3 (28.Qd6?! Re8 29.Qf4 Kg7+–) 28...Qf8 29.Nd6 Ne5 30.Nb7 (worse is 30.Re5 Rd6 31.Re7 Rf6+–; 30.Qc5?! f6 31.Ne4 Qc5 32.Nc5 Nc4+–) 30...Rd7 31.Qe5 (31.Qe5 Kh7 32.Rb3+–) 1–0. Kaenel,H (2395) – Banderet,Bertrand, Ambassador Open Bern SUI, 1998. (=1.Nf3 Nf6 2.e3 d6 3.d4 g6 4.b4 Bg7 5.Bb2 Nbd7 6.c4 0–0 7.Be2 b6 8.0–0 Bb7)

9.Nc3 a5 10.a3 e6 11.Qc2 c5 12.Nd2 cd4 13.ed4+= Qe7 14.Bf3 Bf3= 15.Nf3 Rfc8 16.Qb3 Nh5 17.Rae1 Qd8= 18.d5 ab4 19.ab4 Bc3 20.Bc3 e5 21.Bd2 Qc7 22.Rc1+= Nhf6 23.Rfe1 Qb7= 24.Bg5 Kg7 25.b5+= h6 26.Bf6 Nf6 27.Nd2 Qa7= 28.Qd3 Qa3 29.Rc3 Qc5 30.Qc2 Ra5 31.Rc1 Qc7 32.Nb3 ½–½. Schaar,Joerg (1970) – Coope,Derek (2130), remoteschach.de, 2010.

9.Nc3 Ne4 10.Qc2 Nc3 11.Bc3 Nf6 12.Nd2 c6 13.f4 b5 14.a4 bc4 15.Bc4 Rc8 16.Nb3 Qc7 17.Rac1 Rb8 18.Bd3 Nd5 19.Bd2 Ba8 20.b5 Rfc8 21.Qa2 Qd8 22.Na5 Ne3 23.Nc6 Bc6 24.Be3 Bd7 25.Bc4 e6 26.d5 ed5 27.Bd5 Rc1 28.Bf7 (28.Bc1?! Bd4 29.Kh1 Qf6=) 28...Kf8 29.Bc1 (worse is 29.Rc1 Qe7 30.Ba7 Rb7+=) 29...Rc8 30.Ba3 Bd4 31.Kh1 Qe7 32.Bd5 Kg7 33.Qd2 Qf6 34.Rd1 Bc3 35.Qe3 Bg4 1–0. Yatsenko,Alexey (2285) – Erashchenkov,Denis (2395), RUS–ch U18 Dagomys, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7 7.0–0 d6 8.d4 Nbd7)

9.Nc3 Ne4 10.Ne4 Be4 11.Nd2 Bb7 12.Bf3 c6 13.b5 Rc8 14.a4 Qc7 15.Qb3 c5 16.Bb7 Qb7 17.d5 Bb2 18.Qb2 e5 19.de6 fe6= 20.Ne4?? Qc7 21.Rad1+/– d5 22.cd5+– ed5 23.Rd5 Rce8 24.Nd6 Re6 25.Rfd1 Nf6 26.R5d2 Ng4 27.h3 Ne5 28.Qc3 c4 29.Rd4 Qe7 30.Nc4 Rc8 31.Qb3 Rc4 32.Rc4 Kg7 33.Rc7! Qc7 34.Qe6 Nf7 35.Rd7 (35.Rd7 Qd7 36.Qd7+–) 1–0. ferminkatcho (1755) – zoltybuldozer (1820), kurnik, 2011.

9.Nc3 e5 10.de5 Ne5 11.Ne5 de5 12.Qb3 Qe7 13.Rfd1 Rfe8 14.Nd5 Nd5 15.cd5 (worse is 15.Rd5 a5–/+) 15...Bf8 16.Rac1 Qd8 17.a4 a6 18.e4 Bd6 19.b5 Qe7 20.Ra1 Rf8 21.Ba3 a5 22.Bd6 cd6 23.Qe3 Qd8 24.Rac1 f5 25.ef5 gf5 26.Qh6 Rc8 27.Rc8 Bc8 28.f4 e4 29.Rc1 Bb7 30.Rc3 Qe7 (30...Bd5?? 31.Rg3 Kf7 32.Rg7 Ke8 33.Bh5 Rf7 34.Rg8 Kd7 35.Rd8 Kd8 36.Bf7 Bf7 37.Qf8 Be8 38.Qd6 Kc8 39.Qb6+–) 31.Bc4 (31.Rg3 Kh8 32.Rg6 Bd5 33.Rd6 Rd8 34.Qf6 Qf6 35.Rf6 Bb3=) 31...Kh8 32.Kf2 Rf6 33.Qg5 Qg7 34.Qg7 Kg7 35.Bb3 Rf7 36.Ke3 Kf6 37.Kd4 Rg7 38.g3 h5 39.h4 Re7 40.Bd1 Kg6 41.Be2 Kh6? (41...e3 42.Re3 Re3 43.Ke3 Bd5 44.Bd1=) 42.Rc1 (42.Rc6 Bc6 43.bc6+=) 42...Rg7 43.Rc3 Re7 (43...Kg6 44.Bc4=) 44.Bf1 (better is 44.Rc6 Bc6 45.dc6+/–) 44...Rg7 45.Bh3 Kg6 46.Bf1 Re7 47.Be2 Kh6 48.Rc6 (48.Rc6 Bc6 49.bc6+=) 1–0. Kaenel,Hansjuerg (2355) – Perez,Jose (2275), Verbandsliga Sued Baden, 2005. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0–0 5.c4 d6 6.d4 b6 7.Be2 Bb7 8.0–0 Nbd7)

9.Nc3 Re8 10.Qb3 e5 11.Rfd1 ed4= 12.ed4 Ne4 13.Nd5 Ndf6 14.Ne3 Bh6+= 15.Bc1 Nf2 16.Kf2 (16.Re1 N2e4+=) 16...Be3–/+ 17.Be3 Ng4 18.Kg1 Re3 19.Qb2 Qe7 20.Rd2 Re8 21.Kf1?? (21.Bf1 Rf3 22.gf3 Qe3 23.Rf2 Bf3 24.Qd2 Qf2 25.Qf2 Nf2 26.Kf2–+) 21...Bf3 22.gf3 Nh2 23.Kf2 (23.Kg2 Re2 24.Re2 Qe2 25.Qe2 Re2 26.Kg3 h5–+) 23...Qh4 24.Kg2 Ng4! (24...Ng4 25.fg4 Rg3 26.Kf1 Qh2 27.Ke1 Qg1#) 0–1. Djurkovic,M (2140) – Vavpetic,V (2265), Open, Bled SLO, 2001. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.c4 Bb7 7.Be2 d6 8.0–0 Nbd7)

9.Nbd2 a6 10.a4 c5 11.b5 ab5 12.ab5 Re8 13.Ra8 Ba8 14.d5 e6 15.de6 Re6 16.Qb3 Ne4 17.Ra1 Nd2 18.Nd2 Qg5?? (better is 18...Be5+/–) 19.Ra8+– Nf8 20.Rb8 Be5 (20...Bb2 21.Qb2 d5 22.cd5 Qd5 23.Bc4+–) 21.f4 Qh4 22.Nf3 Qe7 23.fe5 de5 24.Qa4 Qd6 (24...f6 25.Qa6+–) 25.Qa7 Kg7 (25...g5 26.Ng5 Re7 27.Qa8+–) 26.Ne5 Re5 27.Rb6 Qd2 28.Be5 Kh6 29.Bf4 Kg7 30.Qa1 Kg8 31.Rb8 Qe2 (31...Qa5 32.Qa5 h6 33.Qd8 Kg7 34.Qf8 Kf6 35.e4 Ke6 36.Qd6) 32.Rf8! Kf8 (32...Kf8 33.Qh8 Mate attack) 33.Qh8 Ke7 34.Bg5 Ke6 35.Qf6 Kd7 36.Qc6 1–0. Speedy – wernt, internet, 2017.

9.Nbd2 d5 10.c5 a5 11.a3 c6 12.Bd3 b5 13.Nb3 ab4 14.ab4 Ra1 15.Qa1 Qc7 16.Qa5 Qb8 17.Ra1 Ne4 18.Be4 de4 19.Ng5 Nf6 20.Nd2 Ng4 21.g3 Bh6 22.Nde4 Bc8 23.Nf3 Be6 24.Nc3 Bd5 25.Nd5+– cd5 26.Qa6 Rc8 27.Ra5 f6?? 28.Rb5 Qc7 29.Rb7 Qd8 30.Qe6 Kf8 31.Re7! Qe7 32.Qc8 Kg7 33.Qg4 g5 34.c6 (34...Kf8 35.b5+–) 1–0. Hind,Alan – Mitchell,Ian W S, SCCA League, 1994.

9.Nbd2 d5 10.c5 bc5 11.bc5 c6 12.Qc2 Qc7 13.Rab1 Rab8 14.Bc3 Rfe8 15.Rb2 e5 16.Rfb1 (16.de5!? Ng4 17.e6 Re6 18.Bg7 Kg7 19.Qa4+–) 16...ed4+= 17.Bd4 Ne4 18.Bg7 Kg7 19.Ne4 Re4 20.Bd3 Ree8 21.Qc3 Kg8 22.a4 Ne5?? (better is 22...Bc8+/–) 23.Ne5+– Re5 24.a5 Ree8+/– 25.a6 Ba6? 26.Ba6+– Rb2 27.Rb2 Qe7?! 28.g3 Qe4 29.Qd4 Qd4 30.ed4 Re1 31.Kg2 Ra1 32.Bb7 Rd1 33.Rb4 a5 34.Ra4 Re1 35.Bc6 Rc1 36.Bd5 Rd1 37.Bf3 f5 38.d5 Rc1 39.Ra5 g5 40.h3 g4 41.hg4 fg4 42.Bg4 Rc4 43.c6 Rg4 44.c7 Rc4 45.Ra8 Kf7 46.c8Q Rc8 47.Rc8 Ke7 48.Rc6 Kd7 49.f4 h6 50.g4 h5 51.gh5 Ke7 52.h6 Kf7 53.h7 Ke7 54.h8Q Kf7 55.Qh7 Ke8 56.Rc8 1–0. Fournier,Frederic (1690) – manupetro (1620), Active, 2007.

9.Nbd2 Qe8 10.Qc2 (10.a3 c5+=) 10...c5 11.bc5 (11.a3 a6+=) 11...bc5 12.d5 (12.Rab1 Rb8+=) 12...e5 (12...e6 13.e4=) 13.de6 (13.Rab1 Rb8+=) 13...Qe6 (13...fe6 14.Rab1 Rb8 15.e4=) 14.Ng5 (14.Rab1 Rab8=) 14...Qe7 15.Bf3 Rab8 16.Rab1 Ne5 17.Be5 de5 (worse is 17...Qe5 18.Nh7 Ng4 19.Bg4 Kh7 20.Qa4+/–) 18.Bb7 Rb7 19.Rb7 Qb7 20.Nge4 (20.Rb1 Qe7=) 20...Nd7 (20...Qc6 21.Nf6 Bf6 22.Qe4=) 21.Rb1+= Qc6 22.Nc3 f5 23.Nd5 Bf6 24.e4 f4 25.Qd3 Bd8 26.Qa3 a5 27.Rb5 Qe6 28.f3 g5 29.Nb3 g4 30.Na5 Qa6 31.Qd3?? Ba5= 32.Ne7 Kh8 33.Qd7 Rd8 34.Qb7 Rd1 35.Kf2 Be1?? 36.Ke2+– Qa2? 37.Rb2 Rd2 38.Ke1 Qb2 39.Qc8 Kg7 40.Nf5 Kf7 41.Qc7 (41.Qc7 Rd7 42.Qd7 Kf8 43.Qe7 Kg8 44.Qe8#) 1–0. Radziewicz,I (2420) – Rapcsak,A, Eu Youth gu18, 1998.

9.Nbd2 Ne8 10.a4 e5 11.d5 f5 12.Rb1 (12.a5+=) 12...Nef6 (12...a5 13.b5+=) 13.Qc2 (13.Ng5 Qe7 14.Ne6 Rfc8+/–) 13...e4 (better is 13...Qe7!?+=) 14.Bf6 (better is 14.Nd4!? Qe7 15.Ne6+–) 14...Bf6 (15.Nd4 Be5+=). eds – leper, Caissa.com, 2004.

9.d5 b5 10.cb5= Nd5 11.Bg7 Kg7 12.Nd4 (12.Qb3!?=) 12...Nb4 13.Nc3 Nf6 14.Bf3 (14.Qb3 a5+=) 14...Bf3–/+ 15.Qf3 Nd3 (15...e5 16.Nc6 Nc6 17.Qc6–/+) 16.Nc6+= Qd7 17.Rfd1 Nc5 18.e4 e5 19.Ne5 Qe6 20.Nc6 Nfe4 21.Nd5 Qd7 (21...Rfc8 22.Nde7 Re8 23.Nd5=) 22.Qe3 f5?? (better is 22...a6 23.a4 f6=) 23.f3+– Nf6? (better is 23...a6 24.fe4 fe4+–) 24.Nf6 Qf7 (24...Kf6 25.Qd4 Kg5 26.f4 Kh6 27.Qc5+–) 25.Nd5 Rfe8 (25...f4 26.Qd4 Kh6 27.Rac1+–) 26.Qd4 (better is 26.Qc3 Kh6 27.Rd4+–) 26...Kf8 (26...Kh6+–) 27.Qh8 Qg8 28.Qg8 Kg8 29.Nc7 1–0. Slabek,Grzegorz (2085) – Klementys,Jerzy (1800), XX Dobczyce, 2012.

9.Qb3 e6

10.Nc3 c5 11.Rfd1 Qe7 12.a4 Rab8 13.a5 d5 14.dc5 bc5 15.b5 dc4 16.Qc4 Bf3 17.Bf3 Ne5 18.Qf4 Nf3 19.Qf3 Nd5 20.Nd5 ed5 21.Bg7 Kg7 22.Rab1 d4 23.ed4 cd4 24.h3 (worse is 24.Rd4 Rb5 25.Rbd1 Ra5+=) 24...Rfd8 25.b6 ½–½. Kushch,Nikolai (2420) – Matjushin,Gennady (2420), UKR–ch sf Alushta, 2004. (=1.Nf3 Nf6 2.c4 d6 3.d4 g6 4.b4 Bg7 5.Bb2 0–0 6.e3 b6 7.Be2 Bb7 8.0–0 Nbd7)

10.Nc3 Ne4 11.Ne4 Be4 12.Nd2 Bb7 13.Bf3 Bf3 14.Nf3 Qe7 15.Rfd1 h6 16.Rac1 Kh7 17.Qc2 Rfd8 18.c5 d5 19.cb6 ab6 20.Qb3 Ra7 21.b5 Rda8 22.a3 Qe8 23.Rc3 Bf8 24.Nd2 Nf6 25.Ra1= Bd6 26.a4 Qe7 27.h3 Bb4 28.Rc2 Bd6 29.Ra2 Ne8 30.Nf3 Nf6 31.Ba3 Nd7 32.Bd6 Qd6 33.Rc6 Qe7 34.Qc2 Rc8 35.g3 Kg7 36.Kg2 Qe8 37.Rc3 Qe7 38.Ne1 Qd6 39.Nd3 Qe7 40.Rc6 Qg5 41.Nf4 Qf5 42.Qc1 Nf6 43.g4+/– Ng4 44.hg4+– Qg4 45.Kh2 Qh4 46.Nh3 Qe4 47.Rb6!+– c5? 48.Rc6 cd4?? 49.Qa1 Rca8 50.Qd4?? Qd4+= 51.ed4 Ra4 52.Ra4 Ra4 53.Rc7 Rd4 54.b6 Rb4 55.b7 g5 56.f3 Rb2 57.Kg3 Kg6 58.Nf2+– h5 59.Nd3 h4 60.Kh3 Rb3 1–0. Kaenel,H (2305) – Gerber,R (2385), ch–SUI, Graechen SUI, 2009. (=1.Nf3 g6 2.d4 Bg7 3.e3 Nf6 4.c4 b6 5.b4 Bb7 6.Bb2 d6 7.Be2 Nbd7 8.0–0 0–0)

10.Nc3 Qe7 11.Rfd1 Ne4 12.Ne4 Be4 13.Nd2 Bb7 14.Bf3 Bf3 15.Nf3 a5 16.a3 e5 17.Bc3 e4 18.Nd2 a4 19.Qc2 f5 20.b5 g5 21.Rab1 Nf6 22.Re1 Qf7 23.Rb4 d5 24.Ra4 Ra4 25.Qa4 f4 26.Qd1 fe3 27.fe3 dc4 28.Rf1 Qd5 29.Qa4 Ra8 30.Qc4 Qc4 31.Nc4 Ra4 32.Bb4 Nd5 33.Rb1 Kf7 34.Kf2 Ke6 35.Rb3 Nb4 36.Rb4 Rb4 37.ab4 Kd5 38.Ne5 Be5 39.de5 Ke5 40.Kg3 Kd5 41.Kg4 Kc4 42.Kg5 Kb5 43.Kf4 c5 44.bc5 bc5 45.Ke4 c4 46.Kf3 Kb4 47.Ke2 Kb3 48.e4 c3 49.e5 c2 50.e6 c1Q 0–1. Kaenel,Hansjuerg (2390) – Schmaltz,R (2455), Wasserburg, 1996.

10.Nbd2 Rb8 11.Rfd1 d5 12.b5 c5 13.bc6 Bc6 14.Rac1 Re8 15.cd5 Bd5 16.Bc4 Bb7 17.Bb5 a6 18.Bc6 Bc6 19.Rc6 Rc8 20.Rdc1 Rc6 21.Rc6 Qa8 22.Qc2 Nd5 23.Ba3 Bf8 24.Bf8 Rf8 25.a3 Rd8 26.e4 Ne7 27.Rc7 Rc8 28.Kf1 Rc7 29.Qc7 Qc8 30.Qc8 Nc8 31.Ke2 Kf8 32.Kd3 Ke7 33.a4 f6 34.Ne1 e5 35.Nc2 ed4 36.Nb4 Nc5 37.Kd4 Na4 38.Na6 Nd6 39.Nc7 Kd7 40.Nd5 Ke6 41.Nc4 Nc4 42.Kc4 Nc5 43.Nb6 Ne4 44.f3 ½–½. Kreuzer – Sorger, 1982.

9.Nc3 c5=

10.a3 cd4 11.ed4 Ne4+=.

10.a3 cd4 11.ed4 e5 12.Re1=.

10.a3 cd4 11.ed4 e6 12.Re1+= e5 13.Qb3 e4 14.Ng5 Re8 (14...h6!? 15.Nh3 Nb8+=) 15.c5+/– d5 16.Nb5 Re7 17.Rac1 Bc6 18.Nd6 a6 19.cb6 Bb5?? (better is 19...Qb6 20.Qc3 Bb7+/–) 20.b7+– Rb8 (20...Nb6 21.ba8Q Qa8 22.Nb5 ab5 23.Bb5+–) 21.Rc8 Rc8 (21...Qf8 22.Rf8 Bf8 23.Bb5 ab5+–) 22.bc8Q Qc8 23.Nc8 Re8 24.Nd6 Be2 25.Ne8 Ne8 26.Qd5 Ndf6 27.Qf7 (27.Qf7 Kh8 28.d5 e3 29.Bf6 Nf6 30.Ne6 ef2 31.Kf2 Ne4 32.Ke2 Nc3 33.Kd3 Bh6 34.Qe8 Bf8 35.Qf8) 1–0. Janek – Musial, internet, 2018.

10.a3 d5 11.cd5 Nd5 12.Qb3 Nc3 13.Bc3 cd4 14.Nd4 Rc8 15.Rfd1 Qc7 16.Rac1 Nf6 17.Bb2 Qb8 18.Bf3 Ne4 19.Bg4 Rc1 20.Rc1 h5 21.Be2 Rc8 22.Rd1 Nd6 23.Bd3 Qa8 24.Bf1 Bd5 25.Qd3 Bc4 26.Qb1 Bf1 27.Kf1 Qd5 28.Kg1 a5 29.h3 ab4 30.ab4 b5 31.Nf3 Qb3 32.Bd4 Qb1 33.Rb1 Bd4 34.Nd4 Rc4 35.Kf1 e5 36.Nf3 f6 37.Rb2 Rc1 38.Ke2 Nc4 39.Ra2 Rb1 40.Nd2 Nd2 41.Kd2 Rb4 42.Kc3 Rb1 43.Rb2 Rg1 44.g3 g5 45.Kd3 ½–½. Spiridonov,Nikola (2400) – Roos,Daniel (2325), BUL–FRA Bulgaria, 1985.

10.Qb3 cd4 11.Nd4 a6=.

10.b5 cd4+= 11.ed4 e5 12.de5 (12.Re1 a6+=) 12...de5= 13.Rc1 (13.Nd5 Nd5 14.cd5 a6=) 13...Qe7 (13...a6 14.Re1=) 14.Nd5+= Nd5 15.cd5 Qb4 16.Rc7 Qb2 17.Rd7 Rab8 (17...Bc8 18.Re7 Bf6=) 18.Rc7 (18.Qd2 Qd2 19.Nd2 Rfd8–/+) 18...e4 (18...Qa2 19.Bc4 Qa3 20.d6=) 19.Rc2 Qf6 20.Ne1 Qd6 21.Bc4 Rfd8 22.Rd2 Rbc8 23.Qa4 e3 24.fe3+= Qc5 25.Rc2 Qe3 26.Kh1 Rc7 27.Nf3 Rcd7 28.Bb3 Bd5–/+ 29.Bd5 Rd5 30.Rc7 Qe2 (31.Re1 Rd1 32.Rd1 Qd1 33.Qd1 Rd1 34.Ng1 Bd4–+) 0–1. Scheller,C – Fabig,H, corr, 1995.

10.bc5 dc5 11.d5 Re8 12.e4 (12.Qc2 Qc7+=) 12...Ng4 (better is 12...Ne4!? 13.Qc2 Nc3 14.Bc3 Bc3 15.Qc3 e6–/+) 13.h3 Nge5 14.Ne5 Ne5 15.f4 Nd7 16.e5 Rc8 17.Ne4 e6? (better is 17...Qc7+/–) 18.Nd6+– Rb8 19.Ne8 Qe8 20.Bf3 (20.Qb3 f6 21.Bg4 f5+–) 20...Ba6 (20...b5 21.cb5 ed5 22.Bd5 Bd5 23.Qd5 Rb5 24.Rfd1+–) 21.Rc1 (21.de6 Qe6 22.Bd5 Qe8+–) 21...ed5 22.Bd5 Rd8 23.Qg4 (23.f5 Kh8 24.Qa4 Bc8+–) 23...Kh8 (23...Nf8 24.Qg3+–) 24.Rc2 Bc8?! (24...Qe7 25.Rd2+–) 25.Qh4 Nf8 26.Rd2 (better is 26.Bf7!? Qf7 27.Qd8 Be6+–) 26...Ne6 27.Rfd1 Bf8?! (27...Qa4+–) 28.Be6 Rd2 29.Rd2 Be7 (29...Qe6 30.Rd8 Kg8 31.f5 gf5 32.Qg5 Qg6 33.Rf8 Kf8 34.Qd8 Kg7 35.e6 Kh6 36.Qh4 Qh5 37.Qh5 Kh5 38.ef7 Kg5 39.f8Q Bd7 40.Qe7 Kg6 41.Qg7 Kh5 42.Bf6 f4 43.Qh7) 30.Bf7! Qf7 (30...Qf7 31.e6 Mate attack) 31.e6 Qg7 (31...Kg8 32.ef7 Kf7 33.Qh7 Kf8 34.Qg7 Ke8 35.Qg8 Bf8 36.Bf6 Bh3 37.Qg6) 32.Bg7 (32.Rd8 Bd8 33.Qd8) 32...Kg7 33.Qe7 (33.Qe7 Kh6 34.g4 Be6 35.Qf8) 1–0. jlbaf (2445) – tomy (2410), net–chess.com, 2016.

10.dc5 dc5 11.b5 Ne4 12.Qc2 Nc3 13.Bc3 Qc7 14.Bg7 Kg7 15.Rfd1 Rfd8 16.a4 (16.Qb2 Kg8=) 16...Nf8 (16...Nf6 17.Qb2=) 17.Qc3 White prepares a5 17...f6 18.Rd8 Rd8 19.a5 Kf7 20.h3 e5 21.ab6 ab6 22.Ra7 Ra8 23.Ra8 Ba8 24.Nd2 Bb7 25.Bf3 Bc8 (25...Bf3 26.Nf3 Qd8 27.Qc2=) 26.Qd3 Ke7 27.Nb1 Bf5 28.Be4 Be6 29.Nc3 f5 30.Bd5 Qd6 31.Qc2 Bc8 (31...Nd7 32.Qa2+=) 32.Qa2 Qb8 33.h4 (33.Qb2 Nd7+=) 33...Nd7 34.Qd2 (34.e4 Nf6+=) 34...Nf6 35.e4 Qd6 (35...f4!?+=) 36.Qh6 fe4? (36...Kd8+/–) 37.Qg5?? (better is 37.Ne4 Ne4 38.Qh7 Kd8 39.Be4+–) 37...Ke8= 38.Be4 Kf7 39.Bf3 (39.Bd5!? Be6 40.Qh6=) 39...Be6+= 40.Be2 Qd4 41.Qe3 Ke7 (41...Kg7 42.Qf3+=) 42.Qd4 (42.Qg3 Nd7+=) 42...ed4 43.Na4 Nd7 44.Kf1 Bf5 45.Ke1 Bc2 46.Nb2 Kd6 47.Kd2 Be4 48.f3 Bf5 49.g4 (49.Nd1 Ne5 50.f4 Ng4+=) 49...Be6 50.f4 (50.Ke1 Ne5–/+) 50...Nf6–/+ 51.g5 Ne4 52.Ke1 Ng3 53.Bf3 (53.Kd2!?–/+) 53...Nf5–+ 54.h5 (54.Bg4 Ne3 55.Be6 Ke6–/+) 54...Ne3 (54...Nh4!? 55.Be4 gh5 56.Bh7 Ng2 57.Kf2 Nf4 58.Kg3–+) 55.hg6–/+ hg6 56.Be4 ½–½. Portnoi,Yuriy – Trushnikov,Viacheslav (2050), Zavolje, 2006.

9.Nc3 e6

10.a3 c5 11.dc5 dc5 12.Nb5 Ne8 (12...a5 13.Nd6 Qc7 14.Nb7 Qb7 15.ba5 Ra5 16.Qb3+=) 13.Bg7 Kg7 14.Ra2 a6 15.Rd2 ab5 16.Rd7 Qc8 17.Ng5 Bc6? (better is 17...Kg8 18.Rb7 Qb7+/–) 18.Ne6+– (18.Ne6 Kg8 19.Nf8 Kf8 20.Rd2 bc4 21.bc5+–) 1–0. Woelfelschneider,Peter – Coordes, 2009.

10.a4 a5 11.b5 c5 (11...e5 12.Qc2=) 12.Qb3 (12.bc6!? Bc6 13.Qc2+=) 12...d5= 13.cd5 Nd5 14.Rad1 Rc8 15.Ne5? (15.Ne4 Qc7=) 15...Ne5?? (15...cd4 16.ed4 Be5 (16...Ne5?! 17.de5 Nc3 18.Bc3–/+) 17.de5 Nf4–+) 16.de5= Qc7 (worse is 16...Be5 17.Nd5 Bb2 18.Nb6 Qb6 19.Qb2+/–) 17.Nd5 Bd5 18.Qc3 (worse is 18.Rd5 ed5 19.f4 c4–/+) 18...Rfd8 19.f4 (19.f3 Bb7=) 19...Be4 20.Qc1 Qb7 21.Bf3 Bf3 22.Rf3 Qe4 23.Rd6? (better is 23.Qa1–/+) 23...Qa4–+ 24.Qd2 (24.Rf1 Qb5 25.Rf2 Bf8–+) 24...Rd6 25.ed6 (25.Qd6 Qb5 26.Qd2 c4–+) 25...Qb5 (better is 25...Bb2!? 26.d7 Rd8 27.Qb2 Qd1 28.Rf1 Qd7 29.h4–+) 26.h4?? (26.Bg7 Kg7 27.e4–+) 26…Qb2 (26...Qb2 27.Rf2 Qd2 28.Rd2 Rd8–+) 0–1. ferminkatcho (1655) – mgkb (1745), kurnik, 2012.

10.a4 c5 11.dc5 dc5 12.b5 Qc7 13.Ra2 Ng4 14.h3 Bf3 15.hg4 Bb7 16.Qa1 Rad8 17.a5 f6 18.ab6 ab6 19.Ra7 Qb8 20.Ra2 f5 21.Na4 Bb2 22.Qb2 f4 23.Qc3 f3 24.gf3 Bf3 25.e4?? (25.Bf3 Rf3 26.Kg2–+) 25...Ne5–+ (25...Be4?! 26.Qe3 Ba8 27.Qe6 Kh8 28.Qe3+=) 26.Rfa1 (26.Nc5 bc5 27.Rd1 Rd1 28.Bd1 Bd1 29.Qg3–+) 26...Be2 27.Re2 (27.Qh3 Rd3 28.Qh6 Ng4–+) 27...Nf3 (27...Ng4?! 28.Qh3 h5 29.Qg3–+) 28.Kf1 Qh2 29.Rea2 Qh3 30.Ke2 Nd4 31.Ke1 Qh1 32.Kd2 Rf2 (32...Rf2 33.Ke3 Qf3) 0–1. Laske,Erich (2120) – Ebner,Hubert (2240), Leiner op, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.d4 Bb7 7.Be2 d6 8.0–0 Nbd7)

10.Qb3 Qe7 11.Rfd1 Rfd8 12.Rac1 c5 13.a4 Rab8 14.Rd2 Ne4 15.Ne4 Be4 16.dc5 dc5 17.Bg7 Kg7 18.b5 Bf3 19.Bf3 Ne5 20.Qb2 Qf6 21.Be2 Rd2 22.Qd2 Rd8 23.Qc3 Rd6 24.a5 Nd7 25.ab6 ab6 26.Qf6 Kf6 27.f4 e5 28.g3 e4 29.Rc2 Ke7 30.g4 h6 31.h4 f6 32.Kf2 g5 33.hg5 hg5 34.Rc1 ½–½. Barlocco,Carlo (2140) – Karl,Hans (2240), Arco op Arco di Trento, 2008. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0–0 6.Be2 b6 7.0–0 Bb7 8.c4 Nbd7)

10.b5 h5 11.Nd2 Nh7 12.Bf3 Bf3 13.Qf3 (13.gf3?! a6=) 13...f5 14.a4 Ndf6 15.a5 g5 16.Ra4 g4 17.Qc6 Rb8 18.c5 Ne8 19.ab6 ab6 20.Rfa1 dc5 21.Qe6 Kh8 22.Nb3 Rf6 23.Qc4 Nd6 24.Qd5 Ne4 25.Qd8 Rd8 26.Ne4 fe4 27.dc5 Rf5 28.Bg7 Kg7 29.Re4 Rd3 30.Nd4 (30.Nd4 Rf7 31.Re5+–) 1–0. Kaenel,Hansjuerg (2390) – Terraz,Christian (2110), Neuchatel op, 1996. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0–0 5.c4 d6 6.d4 b6 7.Be2 Bb7 8.0–0 Nbd7)

9.Nbd2 a5

10.a3 ab4 11.ab4 Ne4 (11...Ra1 12.Qa1 c5 13.Qa4=) 12.Ne4 (12.Ra8 Ba8 13.Qb3 Nd2 14.Nd2 c5+=) 12...Be4 (12...Ra1 13.Ba1 Be4 14.Nd2+=) 13.Qb3 (13.Qd2 c5+=) 13...e6 (13...e5 14.Nd2 Bb7 15.Ra8 Qa8 16.Ra1+/–) 14.Ra8 (14.Nd2 Bb7+/–) 14...Qa8+= 15.Ra1 Qb8 (15...Qb7 16.Qa4 c5 17.Qb3+=) 16.Nd2 (16.b5 Qb7+=) 16...Bb7+= 17.e4 (17.Qa4 c6+=) 17...c6 (17...Bh6 18.Bc1+=) 18.h4 (18.b5 Qc7+=) 18...Qc7 (18...d5 19.Qe3+=) 19.h5 Rc8 (19...c5 20.hg6 hg6 21.d5+=) 20.Nf3 (20.hg6 hg6 21.Qe3 c5+=) 20...d5 (20...gh5 21.Qe3+=) 21.ed5 (21.hg6 hg6 22.cd5 cd5+=) 21...ed5 (21...cd5 22.hg6 hg6 23.c5=) 22.Qe3 (22.hg6 hg6 23.cd5 cd5+=) 22...Nf6 (22...c5 23.hg6 hg6 24.Rc1=) 23.Ne5 (23.hg6 hg6 24.Ne5 Re8=) 23...Qe7 (23...Nh5!? 24.Bh5 gh5=) 24.h6 Bf8 (24...Bh8 25.c5+=) 25.b5 (25.c5 Ra8+=) 25...c5 (25...cb5 26.cb5 Ra8 27.Ra8 Ba8 28.Qg5+=) 26.Qf4 dc4 (26...Ne4 27.Ra7 Ra8 28.Nc6+/–) 27.Bc4 Nd5 (27...Bd5 28.dc5 Rc5 29.Qd4 Bc4 30.Nc4+–) 28.Bd5 (28.Qf3 Nf6 29.d5 Bd5 30.Bd5 Nd5 31.Qd5 Bh6+–) 28...Bd5 29.dc5 bc5?? (better is 29...f5 30.c6 g5+–) 30.Nd7 (30.Nd7 Bg7 31.Nb6 (worse is 31.Bg7 Qd7 32.Bc3 Qf5 33.Qf5 gf5+–; 31.hg7?! Qd7 32.Ra5 Bb7=) 31...Bb2 32.Nc8+– (32.Nd5?! Qe6 33.Rd1 Be5=)) 1–0. Korobov,Anton (2690) – Bakhmatsky,Vladislav (2445), 85. ch–UKR, 2016. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 b6 5.c4 Bb7 6.d4 0–0 7.Nbd2 d6 8.Be2 Nbd7 9.0–0 a5)

10.ba5 Ra5+= 11.d5 e6 12.Nb3 Ra8 13.e4? (better is 13.de6 fe6 14.Qc2+=) 13...Ne4–+ 14.Bg7 Kg7 15.Qd4 (15.de6 fe6 16.Nfd4 Nec5–+) 15...Ndf6 16.de6 fe6 17.Nbd2 (17.Qb2 e5 18.Ne1 Qe8–+) 17...e5 18.Qe3 (18.Qb2 Qe7–+) 18...Ng4 19.Qd3 (19.Qb3 Ngf2 20.Qb2 Qf6–+) 19...Ngf2 20.Rf2 (20.Qc2 Bc6–+) 20...Nf2 21.Kf2 e4 22.Qd4?? (22.Ne4 Qh4) 22...Qf6–+ 23.Qf6 Rf6 (23...Kf6?! 24.Nd4 Ke7 25.Ke1–/+) 24.Re1 (24.Ne4 Be4 25.Kg1 Re8–+) 24...ef3 25.Bf3 Bf3 26.Nf3 Ra2 (26...Ra2 27.Kg3 Rf5–+) 0–1. Quilghini,Bruno – Bologan,Viktor (2700), It (active), 2005.

10.b5 c5 11.bc6 Bc6 12.Ng5 (12.h3 Rc8+=) 12...h6 Black intends a4 (12...Qc7 13.Rb1=) 13.Bf3 (13.Ngf3 Qc7+=) 13...Bf3 (13...Qc7 14.Nge4=) 14.Ngf3 b5 (better is 14...Re8!?=) 15.cb5+/– a4 16.Qe2 (16.Rb1 Qb6 17.Qe2 Rfc8+/–) 16...Qb6 (16...Qa5 17.Rfb1+/–) 17.Ba3 (17.Rab1 Rfc8+/–) 17...Rab8 (17...Qb7 18.Rab1+/–) 18.Rab1 Rb7 (18...Rfc8!? 19.Nc4 Qa7+–) 19.Rfc1+– Rfb8 (19...Nd5 20.Rc6 Qa7 21.Qc4+–) 20.e4 (better is 20.Rc6 Qd8 21.Rb2+–) 20...e5? (20...Nh5 21.g3 Qd8+–) 21.d5 (21.Nc4 Qa7 22.Bd6 ed4 23.Bb8 Rb8+–) 21...Bf8 22.Nc4 Qa7 (22...Qd8 23.Bd6 Bd6 24.Nd6+–) 23.Bd6 (worse is 23.Nd6 Ne8 24.Nc4 Rb5 25.Rb5 Rb5 26.Bf8 Kf8 27.Nce5 Qb7+–) 23...Bd6 (23...Rb5 24.Bb8 Rb8 25.Nfe5 Ne5 26.Ne5 Rb1 27.Rb1+–) 24.Nd6 Rb6 (24...Rc7 25.Rc6+–) 25.Nc8 (25.Nc8 Qa5 26.Nb6 Rb6 27.Rc6+–) 1–0. Lavendel – Geeh, internet free game, 2018.

10.b5 e5+=.

10.b5 Re8 11.a4 Ne4 (11...Rc8 12.Qc2=) 12.Ne4 Be4 13.Ng5 Bb7 14.Bf3 Qc8 15.Rc1 (15.Bb7 Qb7 16.Qg4 Nf6+=) 15...e5 (15...h6 16.Ne4+=) 16.Bd5 Re7 (16...Bd5 17.cd5 Qd8 18.Nf3+=) 17.Qf3 Can f7 get defended? (17.Qg4 h6 18.Bb7 Qb7=) 17...h6?? (better is 17...Bd5 18.Qd5 Qf8+=) 18.Bb7+– (18.Bb7 Qf8 19.Ba8 hg5 20.Bc6+–) 1–0. Janek – Ferenc, internet, 2017.

10.b5 Re8 11.Qc2 e5 12.c5 e4 (better is 12...bc5 13.de5 de5+=) 13.c6+– ef3 14.Bf3 (14.cd7?! Qd7 15.Nf3 c6=) 14...Bc6 15.Bc6 Rc8 16.e4 Re7 17.Rac1 h5 (17...Qf8 18.f4+–) 18.Nf3 Nf8 19.e5 Ne8 20.Ba3 Ne6 21.Rce1 Bh8 22.Re3 Bg7 23.Rfe1 Bh6 24.Re4 N8g7 (24...g5+–) 25.ed6 cd6 26.d5 Nd4 (26...g5 27.Qd2+–) 27.Nd4 Re4 28.Re4 Qg5 (28...Rc7 29.Qe2+–) 29.Bd6 Nf5 30.Nf5 gf5 (30...Qf5 31.Qd3 Bf8 32.Bf8 Rf8 33.Qd4+–) 31.Be7 Qg6 32.Re1 Kh7 (32...Bf4 33.Qd3 Bd6 34.Bd6 Qd6 35.Qf5+–) 33.d6 Rg8 (33...Bg5 34.d7 Rd8 35.Bg5 Qg5 36.Qc3 Rd7 37.Bd7+–) 34.d7 f4 35.Be4 (35...f3 36.Bg6 fg6 37.Re6+–) 1–0. orane (2090) – bard13 (1830), Caissa.com, 2004.

9.Nbd2 c5=

10.a3 Qc7 11.Qb3 h6 12.Rab1 Ne4 13.Bd3 f5 14.Rfd1 Ndf6 15.Nf1 (15.bc5 bc5 16.d5 Nd2 17.Nd2 Rab8+=) 15...Ng4 16.dc5 dc5 17.Bg7 Kg7 18.Rb2 Rad8 19.Ne1 Ngf2 20.Rf2 Nf2 21.Qb2 Rf6 22.Kf2 f4 23.Kg1 fe3 24.Ne3 Qf4 25.Qe2 Rdf8 26.N1c2 Qh4 27.Nd5 Bd5 28.cd5 Rf2 29.Qe4 Qe4 30.Be4 Re2 31.Bd3 Re5 32.Ba6 Rd8 33.Bb7 Re6 34.Rf1 (34.de6? Rd1 35.Kf2 Rd2 36.Ke3 Rc2–+) 34...Re2 35.Rc1 Rd6 36.Kf1 Rd2 37.bc5 bc5 38.Ne1 Rf6 39.Kg1 Ra2 40.Nd3 Ra3 41.Nc5 Ra2 42.Nd3 a5 43.h3 Rb6 44.Rc7 Re2 45.Nf4 Rb1 46.Kh2 Re5? 47.d6+– Kf7 48.Nd5?? Rd1?? 49.Ne7+– Rd6? 50.Nf5 Ke6 51.Bc8 Kd5 52.Nd6 Kd6 53.Ra7 Kc6 54.Ra6 Kc7 55.Bg4 Rg5 56.Bf3 h5 57.h4 Rc5 58.Kg3 g5 59.hg5 Rg5 60.Kh4 Rb5 61.Rc6 Kd7 62.Rh6 a4 63.Bc6 (63.Bc6 Kc7 64.Bb5+–) 1–0. Skrzypczak,Michal (1950) – Mrozek,Adam, Mistrzostwa Sekcji L.K.S. Piast Srem Poland, 2009.

10.b5 d5 11.a4 e6 12.a5 dc4 (12...ba5 13.Bc3+=) 13.Nc4 Ne4 (13...Bd5 14.ab6 Nb6 15.Nce5+=) 14.Qc2 Rc8 (14...Ng5 15.Nfe5+=) 15.ab6 (15.Rfd1 Bd5+/–) 15...ab6+= 16.Ra7 Bd5 17.Nfe5 (17.dc5 Nec5 18.Bg7 Kg7+=) 17...Ne5 18.de5 Bc4 19.Bc4 (< 19.Qc4 Nd2 20.Qg4 Nf1 21.Bf1 Qd2–/+) 19...Ng5?? (better is 19...Qd2 20.Qe4 Qb2+=) 20.f4+– Rc7 21.Rc7 Qc7 22.h4 Ra8 (22...Nh3 23.Kh2+–) 23.hg5 h6 24.gh6 Bh6 25.Ra1 (25...Ra1 26.Ba1+–; 25.Rd1 Rd8+–) 1–0. smurilo (1840) – Gegonz, Polish, 2006.

10.b5 Ne4 11.Ne4+= Be4 12.Qd2 (12.Nd2 Bb7+=) 12...Bb7 (12...Bf6 13.Qe1=) 13.d5+= Nf6 14.Qc2 Bc8 (14...e6 15.e4+=) 15.e4 e6 16.e5 (16.de6 Be6 17.Rad1 Qe7+=) 16...Ng4 (16...de5 17.de6 Be6 18.Rfd1=) 17.ed6 Bb2 18.Qb2 Qd6 (18...ed5 19.Ne5 Ne5 20.Qe5=) 19.Rad1 (19.h3 Nh6+/–) 19...e5 20.h3+/– Nf6 21.Qe5+– Qe5 22.Ne5 Ne4 23.Bf3 Nc3? 24.Rd2 Bb7 25.Rc1 f6 26.Nc6 Bc6 27.dc6 Nb5 28.cb5 a6 29.c7 Ra7 30.Rd7 ab5 31.c8Q! Rc8 32.Ra7 b4 33.Rb7 (33...Kf8 34.Bd5+–; 33.Bd5 Kf8 34.Re1 Rd8 35.Rf7 Kg8 36.Rd7 Kf8 37.Rd8 Kg7 38.Re7 Kh6 39.Rh8 c4 40.h4 g5 41.Rhh7 Kg6 42.Be4 f5 43.h5 Kf6 44.Rhf7) 1–0. Hyatt,Clubber – Makarome,Tony, Midlands Open, 1996.

10.b5 e5 11.dc5 (11.de5 Ne8+=) 11...Nc5= 12.Nb3 Qc7 (12...Na4 13.Ba3=) 13.Nc5 bc5 (13...Qc5 14.a4=) 14.Qb3 (14.Qc2 Rfd8=) 14...Nd7 (14...Rfd8 15.Rad1=) 15.Rfd1+= a6 (15...Nf6 16.a4+=) 16.a4 ab5 (16...Rfb8 17.Qc3+=) 17.ab5 (17.cb5 Rfb8+=) 17...Ra1 (17...Nb6 18.Qc2=) 18.Ra1+= Nb6 19.Qc2 Ra8 (19...f5 20.Nd2+=) 20.Ra8= Ba8 21.e4 (21.Nd2 d5+=) 21...Qa7 (21...Qb7 22.Nd2+=) 22.Bc3 (22.Qd3 Qe7+=) 22...Qa4 (22...Qb7 23.Nd2+=) 23.Qd3 Bf8 24.Nd2 Bb7 (24...Qa3 25.Qc2+=) 25.h4 (25.Bb2 Qa2 26.Bc1 Qa1+=) 25...Qa8 (25...Qa3 26.h5+=) 26.h5 Qc8 (26...Qa3 27.hg6 hg6 28.Qc2+=) 27.Ba5 Nd7 28.hg6 hg6 29.g3 (29.Qh3 Qe8+=) 29...Nf6 30.Bf3 Nh7 (30...Qa8 31.Bc3+=) 31.Bg2 f5 (31...Nf6!?+=) 32.ef5+/– Bg2 33.Kg2 Qf5 (33...Qa8 34.Qd5 Qd5 35.cd5+–) 34.Qb3 (34.Qf5 gf5 35.b6 Nf6+–) 34...Qc8 35.b6 Qb7 36.Qf3 Qf3 37.Kf3 Nf6 38.b7 Nd7 39.Bc7 Bh6 (39...Kf7 40.Ne4 Ke6 41.Ng5 Kf5 42.Bd8 e4 43.Ne4 Ne5 44.Ke3+–) 40.Ne4 (40.Ne4 Kf7 41.Bd6+–) 1–0. Janek – Iraje, internet, 2017.

10.b5 e6 11.a4 a5 12.ba6 Ba6 13.Qc2 d5 14.Bd3 Rc8 15.Qb3 cd4 16.ed4 Ne4 17.Rfc1 Ndc5 18.Qa3 Nd3 19.Qd3 Nd2 20.Nd2 dc4 21.Qe3 Qd7 22.Nf3 Rfd8 23.Bc3 Qd5 24.Rab1 Rc6 25.Re1 b5 26.ab5 Bb5 27.Ne5 Be5 28.Qe5 Ba4 29.Qf6 Bb3 30.Re5+/– Qd6 31.d5!+– (31...Qf8 32.dc6+–) 1–0. Guliyev,Shaig (2285) – Askerov,Mushvig, AZE–chT Baku, 2000.

10.b5 e6 11.Nb3 Qc7 12.a4 a5 13.ba6 Ra6 14.Ra2 Rfa8 15.Qa1 Ne8 16.Bc3 R6a7 17.a5 Qc8 18.Qb2 d5 19.Rfa1 (19.dc5!? dc4 20.Nbd2 Ra5 21.Ra5 ba5 22.Nc4 Bc3 23.Qc3 Qc5 24.Ra1+=) 19...dc4+= 20.Nbd2 (20.Bc4? cd4 21.Bd4 Qc4–+) 20...cd4 21.Nd4 ba5 22.Bc4 Nd6 23.Bf1 Bd5 24.Ra5= Ra5 25.Ra5 Ra5 26.Ba5 Nc5 27.Qa3 Nce4 28.Ne4 Ne4 29.f3 Nf6 30.Bb4 h6 31.Nb5 Ne8 32.Bc5 Qb7 33.Qa5 Qc6 34.Nd4 Qb7 35.Qd8 Qa8 36.Qe7 Nf6 37.e4+= Bb7 38.Bb6 Ba6= 39.Qa3 Bb7 40.Qe7 Ba6 41.Qa3 ½–½. Marsalek,Josef – Hajek,Michal, CSR–ch Brno, 1964. (=1.c4 Nf6 2.Nf3 b6 3.d4 Bb7 4.e3 d6 5.b4 Nbd7 6.Bb2 g6 7.Be2 Bg7 8.0–0 0–0 9.Nbd2)

10.b5 Qe8 11.Qc2 Nh5 12.Rfd1 Rd8 13.a4 e5 (13...cd4 14.Nd4 Nc5 15.Bh5 gh5 16.a5+=) 14.de5 (better is 14.d5+/–) 14...f5? (better is 14...Ne5!? 15.a5 Qe7+=) 15.ef6! Ndf6 (15...Ndf6 16.Ng5; 15...Bf6 16.Bf6; 15...Nhf6 16.a5) 16.Bd3 (16.a5 Qe7+–) 16...Bh6 (16...Qe7 17.a5+–) 17.Re1 (17.a5 Rf7+–) 17...Ng4 18.Be4 d5 (18...Be4 19.Ne4 Bg7 20.Bg7 Ng7 21.h3+–) 19.cd5 (19.Bd5 Bd5 20.cd5 Rd5+–) 19...Bd5 (19...Ngf6 20.Bd3 Bd5 21.Ne5+–) 20.Bd5 Rd5 21.Qc4 Qf7?? 22.Qg4 Rd2 23.Nd2 Qf2 24.Kh1 Qd2 25.Qe6 Rf7 26.Rf1 Qd7? 27.Qf7 Qf7 28.Rf7 Kf7 29.Be5 Be3 30.Bb8 Nf6? 31.Ba7 Nd5 32.a5 c4 33.Bb6 Nb6 34.ab6 Bb6 35.Rc1 Ke7 36.Rc4 Bf2 37.g4 Kd7 38.Kg2 Bb6 39.Kf3 g5 40.Ke4 1–0. Ritz,T – Aufmwasser,G, Seefeld, 1998.

10.bc5 bc5 11.d5 Rb8!?=.

10.b5 cd4

11.ed4 a6 12.ba6 Ba6 13.Re1=.

11.ed4 d5 12.Ne5=.

11.ed4 Ne4 12.Ne4 Be4 13.Nd2 (13.Qd2 Nf6+=) 13...Bb7 14.Bf3 (14.Re1 e6=) 14...Rb8 (14...Bf3 15.Qf3 a6 16.ba6 Ra6 17.Rfe1=) 15.Bb7 (15.Re1 d5+=) 15...Rb7 16.Qf3 Rc7 17.Rfe1 (17.Rac1 Nc5+=) 17...e6 (17...Bh6 18.Rad1+=) 18.Rad1 Nf6 (18...Re8 19.Rc1+=) 19.a4 (19.d5 Qe7+=) 19...d5 (19...Bh6 20.Qe2+=) 20.c5 Nh5 21.Bc3 bc5 (21...Qh4 22.g3 Qh3 23.Bb4 bc5 24.dc5+=) 22.Ba5 (22.dc5 Qh4 23.Bg7 Ng7+=) 22...Bd4 23.Nb3+/– Qe7 24.Nd4 cd4 25.Bc7 Qc7 26.Rd4 Ng7 27.Qf4 Rc8 28.Qc7+= Rc7 29.a5 Nf5 30.Rb4 Nd6 31.b6 ab6 32.Rb6 Nc4 33.Rb8 Kg7 34.a6 Ra7 35.Re6! Kh6? 36.Rb7 Ra8 37.Rf7 d4 38.Rd7 Nd2 39.f4 Nb3 40.Ree7 Kh5 41.h3 h6 42.Rh7 Ra6 43.Rd5 g5 44.Rg5 (44...Kh4 45.Kh2 d3 46.g3) 1–0. pierre – Superman, internet, 2006.

11.Bd4 e5 12.Bc3 Nc5 Black plans e4 13.Bb4 a5 14.Ba3 Nfd7 15.Qc2 e4 16.Nd4 Nd3?? (better is 16...Ne5–/+) 17.Ne4+/– (worse is 17.Bd3 ed3 18.Qd3 Nc5=) 17...N3e5?? (17...Be4 18.Bd3 Decoy) 18.Nd6+– Qc7 (18...Qe7+–) 19.Nb7 Qb7 20.Bf8 Rf8 21.f4 Nc4 (21...Qc7 22.Rad1+–) 22.Bc4 Rc8 (22...Re8 23.Rad1 Qe4 24.Qe4 Re4 25.Nc6+–) 23.Rad1 Kh8 (23...Bd4 24.Rd4 Nf6 25.Rfd1+–) 24.Nc6 f5 (24...Qc7 25.Bf7 Nc5 26.Bc4+–) 25.Be6 Rc7 26.e4 Nc5 (26...Bf6 27.ef5 Nf8+–) 27.Rd8 Bf8 28.Qc3 Rg7 29.Rf8 1–0. Janek – Freeday, internet, 2018.

9.Nbd2 e5

10.d5 Qe7 11.e4 c6 12.Bd3 cd5 13.cd5 (worse is 13.ed5 b5+=) 13...Rac8 14.Qb3 Rc7 15.Rac1 Rfc8 16.Rc7 Rc7 17.Rc1 Qd8 18.a4 Rc1 19.Bc1 Qc7 20.Bb2 Nb8 21.b5 a6 22.h3 ab5 23.ab5 Nbd7 24.Ba3 Nc5 25.Bc5 Qc5 26.Qc4 Nd7 27.Nb3 Qc4 28.Bc4 Nc5 29.Nc5+= bc5 30.Nd2 Kf8 31.Nb3+– Ke7 32.g3 Kd7 33.Kf1 Kc7 34.Ke2 Kb6 35.f4 f6 36.Kf3 Bc8 37.g4 Bd7 38.f5 g5 39.Ke3 Bb5 40.Bb5 Kb5 41.Kd2 h6 42.Nc1 Kc4 43.Ke3 Bf8 44.Ne2 Kb3 45.Kd2 c4 46.Ng3 c3 47.Kc1 Be7 48.Nh5 c2 49.Ng7 Bd8 50.Ne6 Bb6–+ 51.Kd2 Be3! 52.Ke3 c1Q 53.Kf3 Qf1 (53...Qf1 54.Ke3 Kc2 55.h4 Kd1 56.Nd4 gh4 57.g5 Qg1 58.Kf3 Qg3) 0–1. futsalboy (1635) – litner, kurnik, 2011.

10.de5 de5 11.Ne5 Ne5 12.Be5 b5 13.c5 Rb8 14.Qc2 Qd5 15.Nf3 a6 16.Rad1 Qe6 17.Bc7 Rbc8 18.Bd6 Rfe8 19.Nd4 Qe4 20.Qe4 Ne4 21.Bf3 Ba8 22.Nb3 Rcd8 23.Be4 Be4 24.Rd2 Bc3 25.a3 Bd2 26.Nd2 Bc2 27.Rc1 Bd3 28.Nf3 Be4 29.Nd4 Rc8 30.Bg3 Bd5 31.Bf4 h5 32.f3 Bc4 33.e4 Kg7 34.Nc2 Kf6 35.Ne3 Bb3 36.Rc3 Be6 37.Rd3 Red8 38.Bd6 h4 39.h3 Kg7 40.Nd5 f5 41.Nb6 Rc6 42.Be5 Kf7 43.Rd8 fe4 44.fe4 Bb3 45.Nd5 Ke6 46.Bf4 g5 47.Rd6 Rd6 48.Bd6 Kd7 49.Nf6 Kc6 50.Nh7 g4 51.hg4 Bc2 52.Ng5 Kd7 53.e5 Bg6 54.e6 Kc6 55.Nf7 1–0. barborski (1610) – gold67, kurnik, 2012.

10.de5 de5 11.Ne5 Ne5 12.Be5 Qe7 13.Bc3 Rad8 14.Qc2 Qd6 15.Rad1 c5 16.b5 Qc7 17.Bf3 Bf3 18.Nf3 Rd1 19.Rd1 h5 20.h3 Re8 21.Qd3 Qe7 22.Qd6 Qd6 23.Rd6 Ne4 24.Bg7 Nd6 25.Be5 Nc4 26.Bf4 Na3 27.Ne5 Nb5 28.Nc6 a5 29.f3 Nc3 30.a3 Ne2 31.Kf2 Nf4 32.ef4 c4 0–1. barborski – marcaocabecao, kurnik, 2012.

10.de5 de5 11.Ne5 Ne5 12.Be5 Qe7 13.Bc3 Qe6 14.Qb3 Rad8 15.Rad1 c5 16.b5 Ne4 17.Ne4 Be4 18.Bg7 Kg7 19.Qc3 Kg8 20.f3 Ba8 21.e4 Rd1 22.Rd1 h5 23.Qd2 Qf6 24.h3 Bb7 25.Bf1 Bc8 26.a4 a6 27.Qd6 Qd6 28.Rd6 ab5 29.ab5 Be6 30.Rb6 Ra8 31.Rc6 Ra1 32.Kf2 Ra2 33.Kg3 g5 34.Rc5 Ra1 35.Kf2 Ra2 36.Be2 Rc2 37.Rg5 Kf8 38.c5 Bc4 39.c6 Be2 40.Ke3 Bf1 41.Rh5 Bg2 42.Rd5 Bh3 43.Kd4 Be6 44.Rc5 Rb2 45.c7 Rb4 46.Ke5 Rb1 47.c8Q Bc8 0–1. barborski – marcaocabecao, kurnik, 2012.

10.de5 Ne5 11.Qc2 Nf3 12.Bf3 Bf3 13.Nf3 Ng4 14.h3 Nh6 15.Bg7 Kg7 16.g4 Ng8 17.g5 f6 18.h4 fg5 19.Ng5 Qe7 20.Qc3 Nf6 21.f3 h6 22.Ne4 Kh7 23.Nf6 Rf6 24.f4 Re6 25.Rf3 Qh4 26.Raf1 Rae8 27.Kg2 Qg4 28.Kh2 h5 29.R1f2 Qh4 30.Kg1 Qg4 31.Kh2 c6 32.Rg3 Qh4 33.Kg2 Qe7 34.f5 Re3 35.fg6 Kg8 36.Re3 Qe3 37.Qf6 Qe4 38.Kg3 Qe5 39.Kh4 Qe4 40.Kg5 Qe7 41.Kh5 Qf6 42.Rf6 d5 43.Rc6 dc4 44.Rc4 Re5 45.Kh6 Re8 46.Rc7 Ra8 47.a4 a6 48.Rb7 b5 49.ab5 ab5 50.Rb5 Rc8 51.Rb8 Rb8 52.b5 Rb5 53.g7 Rb6 54.Kg5 Rb7 0–1. barborski – pomidor23 (1625), kurnik, 2012.

10.de5 Ng4

11.Qc2 Nge5= 12.Nd4 Qe7 13.a3 c5 14.Nb5 f5 15.Rae1 a6 16.Nc3 Qh4 17.f4 Rae8 18.Nd5+= Ng4 19.Bg4 fg4 20.Bg7+/– Kg7 21.Qc3 Kg8= 22.g3 Qh6 23.e4 Qg7= 24.Qg7 Kg7 25.Nc7 Re7 26.Nd5 Bd5 27.ed5 Rfe8 28.Kf2 cb4 29.Re7 Re7 30.ab4 a5 31.ba5 ba5 32.Nb3 a4–/+ 33.Nd4 Nc5 34.Nb5 Nd3–/+ 35.Kg1 Re2 36.Ra1 Re1–/+ 37.Re1 Ne1 38.Na3 Nf3 39.Kg2 Kf6 40.Nb5? Nd2–+ 41.Na3 Kf5 42.Kf2 Ke4 43.Ke2 Nf3 0–1. Abril Avellanas,Eduardo – Koskinen,Henri (2290), Benasque op, 1997.

11.Qc2 Nge5 12.Ne5 de5 13.Rfd1 Qe7+=.

11.Qc2 Nge5 12.Ne5 Ne5 13.f4 Nd7 14.Bf3 Bf3 15.Nf3 a5 16.a3 Bb2+= 17.Qb2 Qf6 18.Qf6 Nf6–/+ 19.b5 Rae8 20.Rae1 Re7 21.f5 Rfe8 22.fg6 fg6 23.Nd2 Ne4 24.Nb1 Kg7 25.Rf3 Re5 26.Rff1 Nf6 27.Rf3 Ne4 28.Rff1 R8e7 29.h3 h5 30.Kh2 h4 31.g4?? Ng5 32.Nc3 Re3 33.Re3 Re3 34.Nd5 Ra3 35.Nc7 Rh3 36.Kg2 Rg3 37.Kh2 a4 38.Ne8 Kh6 39.Nd6 Rc3 40.Rf2 a3 41.Nc8 Rh3 42.Kg2 Rg3 43.Kf1 Rf3 0–1. Lumsdon,A (2045) – Ivkov,B (2430), Hilton Open, Basel SUI, 2007. (=1.d4 g6 2.Nf3 Bg7 3.e3 Nf6 4.b4 0–0 5.Bb2 b6 6.Nbd2 Bb7 7.c4 d6 8.Be2 Nbd7 9.0–0)

11.Nd4 Nge5 12.f4 c5 +/–.

11.Nd4+/– Nge5 12.f4 Nc6 13.Bf3 Nd4 14.Bb7 Nf5 15.Bg7+– Kg7 16.Ba8 Ne3 17.Qa4 Nf1 18.Rf1 (18.Kf1?! Qf6 19.Rd1 Ne5 20.Qa7 Ng4+/–; 18.Nf1?! Qa8 19.Qd7 Qe4+–) 1–0. Vegjeleki,Adolf (2310) – Giache,Gianluca, ICCF WSTT/3/06/1, 2006.

11.Nd4 Nge5 12.f4 Nc6 13.Bf3 Qe7 14.Re1 Qh4 15.g3+– Qd8 16.Nc6 Bc6 17.Bc6 Bb2 18.Rb1 Bg7 19.Qa4 b5 20.cb5 Nb6 21.Qa6 Rc8 22.Qa7 Bc3 23.Re2 d5 24.Rb3 d4 25.Ne4 d3 26.Rg2 d2 27.Nc3 d1Q 28.Nd1 Qd1 29.Kf2 Ra8 30.Ba8 Ra8 31.Qa8 Na8 32.Rb2 Nb6 33.Rg1 Qh5 34.h4 Qb5 35.Rd1 c5 36.a3 Na4 37.Rb3 Qc4 38.Rd8 Kg7 39.Rbd3 cb4 40.ab4 Qb4 41.R3d4 Qb1 42.Rd1 Qa2 43.R1d2 Qb3 44.Re8 Nc5–+ 45.Kg2 Qb7 46.Kg1 Qf3 47.Rg2 Kf6 48.Kh2 Ne4 49.Rd8 Qe3 50.Re8 h5 51.Re5 Qf3 52.Ra5 Kg7 53.Raa2 Kf6 54.Ra5 Kg7 55.Raa2 g5 56.fg5 Kg6 57.Ra6 Kg7?? 58.Raa2 Kg6?? 59.Ra6 f6 60.Rb6 Qf1 61.Rgb2 Qf3?? 62.Rg2 Qf1?? 63.Rgb2 Qe1 64.Rg2 Qe3 65.Rc6 Kf5 66.gf6 Nf6 67.Rc4 Ne4 68.Rc8 Ke5 69.Rg8 Ke6 70.Re8 Kf7 71.Re5 Qf3 72.Kg1 Kf6 73.Re8 Kf7?? 74.Re5 Qg4 75.Kh2 Kf6 76.Re8 Kf7?? 77.Re5 Kg6 78.Re8 Kh6 79.Rf8 Qd1 80.Rf5 Kg6 81.Ra5 Qg4 82.Ra3 Nf6 83.Rga2 Qd4 84.Ra8 Ng4 85.Kg2 Qe4 86.Kg1 Qb1 87.Kg2 Qb7 88.Kg1 Qb1?? 89.Kg2 Qb7?? 90.Kg1 Qb6 91.Kg2 Qc6 92.Kg1 Qb6?? 93.Kg2 Qc6?? 94.Kg1 Qc5 95.Kh1 Qd5 96.Kg1 Ne5 97.Kh2 Ng4?? 98.Kg1 Ne5?? 99.Kh2 Kf7 100.R8a5 Ng4 101.Kg1 Qd4 102.Kg2 Qe4 103.Kg1 Qb1 104.Kg2 Qe4?? 105.Kg1 Qd4?? 106.Kg2 Qc4 107.Ra7 Kg6 108.Ra8 Qe4?? 109.Kg1 Qd3 110.Kg2 Nf6 111.R8a6 Qe4 112.Kg1 Qd3?? 113.Kg2 Qc4 114.Kf2 Qf7 115.Kg1 Qc4?? 116.Kf2= Qe4?? (better is 116...Qd4 117.Kg2–+) ½–½. Fritz 6 – Crafty 19.01, 2004.

11.Nd4 Nge5 12.f4 Nc6 13.Bf3 Qe8 14.Qb3 Nd4 15.ed4 Bf3 16.Nf3 Qe4 17.Rae1 Qf5 18.d5 Bb2 19.Qb2 Qf4 20.Ne5 Qe5 21.Re5 de5 22.c5 bc5 23.bc5 Rfb8 24.Qe2 Re8 25.Qb5 Red8 26.Qa5 Rdc8 27.Rb1 Nf6 28.d6 cd6 29.cd6 Re8 30.Rb7 Rad8 31.Qa7 Rd6 32.Rf7 Red8 33.h3 Rc8 34.Qe7+– Rd7 35.Rg7 Kh8 36.Rh7 Kg8 37.Rg7 Kh8 38.Qf6 Rg7 39.Qe5 Ra8 40.Qe4 Ra2 41.Qh4 Rh7 42.Qd8 Kg7 43.Qe7 Kh6 44.Qe3 Kh5?? 45.h4!+– Ra1 46.Kh2 Kh4 47.Qh3 Kg5 48.Qh7 Re1 49.Qh8 Re6 50.Qd4 Rf6 51.Qd8 Kf5 52.g4 Ke5 53.Qh8 Ke6 54.g5 Rf3 1–0. Fritz 6 – Doctor? 3.0, 2004.

9.Nbd2 e6

10.a4 a6 11.Qc2 Re8 12.a5 Rc8 13.Rfc1 Kh8 (13...ba5 14.Ra5 c5 15.Ra4=) 14.ab6 cb6 15.Qb3 Qe7 16.Ba3 Qd8 (16...e5 17.Bb2+=) 17.Rab1 (17.b5 ab5 18.Bd6 bc4 19.Bc4 Ne4 20.Ne4 Be4+/–) 17...Bf8 18.Ne1 Ne4 19.Ne4 d5?? (better is 19...Be4 20.Ra1 Bg7+=) 20.Nd2 Nf6 (20...dc4 21.Rc4 Rc4 22.Qc4+–) 21.c5 b5 22.Nef3 Bc6 23.Ne5 Bg7 (23...Re7 24.Ra1 Nd7 25.Nd7 Qd7 26.Bb2+–) 24.Qc2 (better is 24.Nf7 Kg8 25.Nd8 Red8 26.Bb2+–) 24...Rf8 25.Nb3 Nd7 26.Nc6 Rc6 27.Na5 Rc7 28.c6 (28.Ra1 Qf6+–) 28...Nb8 29.Qc5 Re8 30.Qb6 Bf8 31.Nb7 (31.Bd3!? Bd6+–) 31...Qc8 32.Bf3 (better is 32.Qa7+–) 32...Nc6?? (32...Rc6 33.Rc6 Qc6 34.Qc6 Nc6+–) 33.Na5 Qd7 (33...Qb8 34.Rc6 Qb6 35.Rb6+–) 34.Rc6 Rc6 35.Qc6 (35.Nc6!? Rc8 36.Ne5 Qe8+–) 35...Qc6 36.Nc6 Bd6 (36...Rc8 37.Ne5 Kg7 38.Nd7+–) 37.Rc1 Kg7 38.Ne5 (38.Bb2 Rc8+–) 38...f6 (38...a5 39.Nd3 Rb8 40.Be2+–) 39.Nd3 Kf7 (39...a5 40.Rc6 ab4 41.Bb4 Bb4 42.Nb4+–) 40.Nc5 (better is 40.Rc6!? Ke7 41.Ra6 h6+–) 40...Ra8 41.Be2 h5 42.f3 (42.Bb2 Bc5 43.dc5 Rc8+–) 42...g5 (42...Ra7 43.Bb2 Bc5 44.dc5+–) 43.e4 (43.Bb2!? Bc5 44.dc5 Rc8+–) 43...Bf4 44.Rc3 Bd2 (44...e5 45.de5 Be5 46.Rd3 de4 47.fe4+–) 45.Rd3 Bf4 46.g3 Bc7 47.Bc1 a5 48.ba5 Ra5 49.Kf2 Bd6 (49...Bb6 50.ed5 ed5 51.Ba3+–) 50.Rb3 b4 (50...Bc5 51.dc5 Ra1+–) 51.Rb4 (better is 51.Nb7 Bc7 52.Na5 Ba5+–) 51...Bc5 (51...Rc5 52.Be3 Ra5 53.Rb7 Be7+–) 52.dc5 Rc5 53.Be3 Rc2 (53...Ra5 54.ed5 ed5 55.h4 gh4 56.Rh4+–) 54.ed5 ed5 55.Rb7 Ke6 56.Rb6 Ke5 57.f4 Kf5 58.fg5 (58.Rd6 gf4 59.gf4 d4 60.Rd4 Ke6+–) 58...fg5 59.Ke1 Ra2 60.Bd3 Kg4 61.Rg6 Kf3 62.Bg5 Ra1 (62...Rh2 63.Rf6 Kg2 64.Bf1 Kh1 65.Be2+–) 63.Kd2 Ra2 64.Bc2 d4 (64...Ra5 65.Rh6+–) 65.Bh6 Kg2 66.h4 Ra3 67.g4 Kf2 (67...Kg3 68.gh5 Kh4 69.Bd1+–) 68.gh5 d3 69.Bd3 Ra2 70.Bc2 Ra1 (70...Ra8+–) 71.Be3 Kf3 72.h6 (better is 72.Bb3 Ra5 73.h6 Rb5+–) 72...Rh1 73.Bg5 (73.h7 Rh2 74.Kd3 Re2 75.Rf6 Kg4 76.Ke2 Kh3 77.Bf5 Kh2 78.Bf4 Kg2 79.Rg6 Kh1 80.Be4) 73...Rh2 74.Kd3 Kg4 75.h7 Rh3 76.Kd4 (76.Be3 Kh5 77.Rg5 Kh4 78.h8Q) 76...Rh4 (76...Kf3 77.h8Q Kg2 78.Be3 Rg3 79.Rg3 Kg3 80.Qg7 Kh4 81.Bf2 Kh5 82.Qg6) 77.Bh4 Kh4 (77...Kf4 78.Bd1 Kf5 79.Rf6) 78.h8Q 1–0. jlbaf (2445) – workchess (2280), net–chess.com, 2016.

10.a4 Rc8 11.a5+= c5 12.Qa4 Qc7 13.b5 Rfe8= 14.Qc2 cd4 15.Nd4 d5 (15...Nc5 16.ab6 ab6 17.Ra7+=) 16.ab6 ab6 17.Ra7 e5 (better is 17...Ra8!? 18.Rfa1 Ra7 19.Ra7 Qb8=) 18.Nc6+/– Nc5 19.Rfa1 (19.Nb3 Nb3 20.Qb3+/–) 19...Qd6? (better is 19...d4!?+=) 20.cd5+– Nd5 (20...Qd5? 21.Bc4 Qd6 22.Nf3 Rc6 23.bc6 Qc6 24.Be5 Re5 25.Rb7 Qb7 26.Ne5+–) 21.Nc4 Qc7? 22.Rd1+– Ne7 23.Nd6 Nc6 24.bc6 Qc6 25.Bf3 e4 26.Bg4 Bb2? 27.Bc8 Bc8 28.Ne8 Qe8 29.Qb2 (29.Qb2 Nd3 30.Qb6+–) 1–0. Kuhn,Heinz – Philippi,Alfred, Saarland–chB, 1993.

10.b5 c5 11.a4 d5 (11...cd4 12.ed4 a5 13.ba6 Ra6 14.Qc2=) 12.Nb3 (12.a5 Rc8=) 12...dc4 (12...cd4 13.Nfd4 Rc8 14.Rc1+=) 13.Bc4 Rc8 14.Nbd2 (14.Qe2 Ne4+=) 14...cd4 15.Bd4 Nc5 (15...Qe7 16.Qe2+=) 16.Qe2 Nd5 17.Bg7 Kg7 18.Rfc1 Qf6 (18...Qd6 19.Bd5 Qd5 20.Rd1+=) 19.Bd5 Bd5 20.e4 Bb7 21.a5 (21.Qe3 Rfd8+=) 21...Rcd8 (21...Rfd8 22.ab6 ab6 23.h3+=) 22.e5= Qf4 23.Rc4 Bf3 (23...Qf5 24.Nd4 Qd3 25.Qe3=) 24.Nf3 (24.Rf4?? Be2 25.ab6 ab6–+) 24...Qf5 25.ab6 ½–½. Janek – Indy, internet, 2017.

10.Rc1 a5 11.b5 Qe7 12.a4 e5 13.Ba3 ed4 14.ed4 Rfe8 15.Re1 Qf8 16.Qc2 Nh5 17.c5 dc5 18.dc5 bc5 19.Bc5 Nc5 20.Qc5 Nf4 21.Qf8 Bf8 22.Bf1 Re1 23.Ne1 Bb4 24.Ndf3 Rc8 25.g3 Nd5 26.Nd3 Nc3 27.Nb4 ab4 28.Nd2 Ra8–/+ 29.Ra1 Ra4 30.Ra4 Na4 31.Bc4 Bc8 32.Kf1 Bd7 33.Nf3 Nb6 34.Bd3 Kf8 35.Ke2 Ke7 36.Kd2 f6 37.h4 Kd6 38.h5 gh5 39.Bh7 Kc5 40.Bg6 Bg4 41.Nh2 Nc4 42.Kc1 Ne5 43.Ng4 hg4 44.Bf5 Kb5 45.Kc2 c5 46.Be6 c4 0–1. Galoic,B (1965) – Levar,N (2170), 8th Open, Velika Gorica CRO, 2008.

10.Qc2 Rc8 11.c5 dc5 12.dc5 bc5 13.bc5 Ba8 14.Rad1 Bc6 15.Nb3 Nd5?? 16.Bg7+– Kg7 17.e4?? N5f6 18.Ne5?? Be4+= 19.Qc3 Bd5 20.Ng4 c6 21.Ba6 Rb8 22.Na5 Kg8?? 23.Nc6+– Qc7 24.Ne7 Kg7 25.Nd5 ed5 26.Rd5 Qc6?? 27.Rd7 (27.Rd7 Rbd8 28.Bb5+–) 1–0. Patarcic,D (2030) – Lacic,S (1945), 15th Open, Bosnjaci CRO, 2010.

9.Nbd2 Re8

10.a3 c5 11.dc5 bc5 12.b5 Qc7 13.a4 a6 14.Qb3 Ra7 15.Bc3 Ne4 16.Ne4 Be4 17.Bg7 Kg7 18.Nd2 Bb7 19.Bf3 Bf3 20.Nf3 Rea8 21.Rab1 ab5 22.ab5 Qb6 23.Rb2 Ra3 24.Qc2 Qa5 25.Rc1 Ra7 26.Nd2 Ne5 27.Nb3 Qc7 28.f4 Ng4 29.Qe2 Nf6 30.Nd2 Qb7 31.Qd1 Re3–/+ 32.Ra1 Rea3 33.Ra3 Ra3 34.Qc2 Ra5 35.Nb3 Ra4 36.Ra2? Qa7?? 37.Ra4+= Qa4 38.Qc3 Qa7 39.Qa5 Qb7 40.Nd2 Ne4 (40...Ne4 41.Qa6 Qd7 42.Ne4 Qe6+–). Fournier,Frederic (1865) – Czentovic (1735), Active, 2007.

10.Nb3 c5= 11.bc5 dc5 12.dc5 bc5 13.h3 (13.Rb1 Rb8=) 13...Qc7 14.Nh2 (14.Bd3 Qd6=) 14...Rad8=+ 15.Bf3 (15.Qc2 Be4 16.Bd3 Bd3 17.Qd3 Nb6=+) 15...Ne5 16.Qe2 Nf3 17.Nf3 Ne4 (17...e5!?=+) 18.Bg7= Kg7 19.Qb2 (19.Rfd1 e5 20.Qb2 f6=) 19...f6 20.Rad1 Ba8 (20...e5 21.Qc2=) 21.Rd8 Rd8 22.Nbd2 (22.Rb1 e5=) 22...Kf7 23.Rb1 Qd7 24.Nf1 Qd3 25.Rc1 Bc6=+ 26.Qc2 Qa3 27.Rb1= Qa5 28.Rb2 Rd7 29.N1d2 Nd2 30.Nd2 Ba4 31.Nb3 Qd8 32.Qe2 Rd1= 33.Kh2 Qc7 34.g3+= Rd8 35.Rd2 Rb8 36.Qd3 Bb3 37.ab3 Rb7 38.Kg2 e6 39.h4 Ke7 40.Rb2 Qc6 41.f3 Rd7 42.Qc2 Rb7 43.h5 Kf7 44.hg6 hg6 45.Qc3 Qb6 46.g4 Qb4 47.Qb4= Rb4 48.Kg3 Ke7 49.f4 a5=+ 50.Ra2 Rb3 51.Ra5 Re3 52.Kf2 Re4 53.Rc5 Rf4–/+ 54.Kg3 g5 55.Rc8 Kd7 56.Rc5 Re4 57.Kf3–+ Rd4 58.Kg3–/+ Kd6 59.Rc8 Rf4 60.c5 Kd7 61.Ra8 Rc4 62.Ra7 Kc6 63.Ra6 Kd5 64.Rd6 Ke5 65.Rc6 Rc3 66.Kf2 f5 67.gf5 ef5 68.Rg6 Kf4 69.c6–/+ Rc2 70.Ke1 g4 71.Kd1 Rc5 72.Ke2 g3 73.Kd3 Kf3 74.Kd4 Rc1 75.Kd5 g2 76.Kd6 g1Q 77.Rg1 Rg1 78.c7 Rc1 79.Kd7 Ke4 80.c8Q Rc8 (81.Ke6 f4–+) 0–1. Ruhle,Ernst Albrecht – Steglich,Walter, Wch Seniors Bad Wildbad, 1993.

10.Nb3 c5 11.bc5 dc5 12.d5 b5 (12...e6!?=) 13.cb5+= Bd5 14.Rc1 Rc8 15.Bc4 Bc4 16.Rc4 Qb6 17.a4 a6 18.ba6 (18.Bf6 Nf6 19.ba6 Qa6+=) 18...Qa6= 19.Qc2 (19.Nfd2 Red8=) 19...Nb6+= 20.Rc5 Qa4 (20...Na4 21.Rc8 Rc8 22.Qb1=) 21.Rc8 Rc8 22.Qd3 ½–½. Knight,Timothy – Carlucci,Paul A, Guernsey GCI, 2011.

10.b5 a6+=.

10.Rc1 c5 11.a3=.

10.Rc1 c5 11.b5 a6 12.a4 (12.ba6 Ra6 13.Qc2 Qa8+=) 12...ab5 (12...cd4 13.ed4 e5 14.de5 de5 15.a5–/+) 13.ab5+= Qc7 14.Qc2 Ra2 (14...cd4 15.ed4 e5 16.Ra1+=) 15.Ra1 Ra1 (15...Rea8 16.Ra2 Ra2 17.Qb3=) 16.Ra1= Ra8 (16...cd4 17.Nd4 Nc5 18.N4b3=) 17.Ra8+= Ba8 18.Qa4 Qc8 19.Qa1 (19.d5 Bb7+=) 19...h6 (19...cd4 20.ed4 Bb7 21.Qa3=) 20.d5+= Bb7 21.Nh4 (21.Bc3 Qa8+=) 21...Qe8 22.Qa7 Qa8 23.Qa8 Ba8 24.Nhf3 (24.f4 Bb7=) 24...Nh7 (24...e6 25.de6 fe6 26.h3=) 25.Bg7 Kg7 26.e4 e5 (26...Nhf6 27.g3=) 27.Nh4 Bb7 28.g3 Ndf6 (28...Ng5 29.f3=) 29.f3 (29.f4 Nd7+=) 29...Bc8 30.f4 ef4 31.gf4 Ng4 ½–½. Fuchs,Klaus Dieter – Bodensohn,Rebekka, Main Vogelsberg op, 2007.

10.Rc1 c5 11.Bc3 cb4 12.Bb4 Qc7=.

10.Rc1 e5 11.c5 e4 (11...bc5!? 12.bc5 Rb8=) 12.c6+/– ef3 (12...Bc6!? 13.Rc6 Nb8+/–) 13.Bf3+– (13.cd7?! Qd7 14.Bf3 Bf3 15.Qf3 d5=) 13...Ba6 14.cd7 Qd7 (14...Re7 15.Ba8 Bf1 16.Qf1 Qa8 17.Rc7 Rd7 18.Rc2+–) 15.Bc6 Qe6? (better is 15...Qc8 16.b5 Bb7 17.Be8 Ne8+–) 16.b5 (16.Ba8?! Ra8 17.Re1 Qa2+–) 16...Bc8 (16...Bb5 17.Bb5 Re7+–) 17.Ba8 d5 (17...Qa2 18.Ba1 Re7 19.d5+–) 18.Rc7 Qf5 (18...Bd7 19.Bc6 Qd6 20.Bd7 Qc7 21.Be8 Ne8 22.Qc1+–) 19.Qc2 (19.Qc2 Qc2 20.Rc2+–) 1–0. Winants,Henri – O'Kelly de Galway,Alberic, Belgian championship, 1957. (=1.Nf3 Nf6 2.e3 b6 3.b4 g6 4.Bb2 Bb7 5.d4 Bg7 6.Nbd2 d6 7.c4 Nbd7 8.Be2 0–0 9.0–0 Re8)

10.Qc2 e5 11.c5 bc5!? 12.bc5 Rb8+=.

10.Qc2 e5 11.c5 Bf3 12.Bf3+/– Rb8 13.c6 Nf8 14.de5 de5 15.Rad1 Qe7 16.b5 Rbd8 17.a3 e4 18.Bf6 Bf6 19.Ne4 Bg7 20.Qa4 Ra8 21.Rd3 Ne6 22.Rd7 Nc5? 23.Re7 Na4 24.Rc7 Nc3 25.Nc3 Bc3 26.Bd5 Rf8 27.Rd7 Rad8 28.Bf7! Rf7 29.Rd8 Kg7 30.Rc1 Bb2 31.c7 Bc1 32.c8Q Be3 33.Qc3 Bd4 1–0. MT – guest559, ICC, 2004.

10.Qc2 e5 11.de5 Ne5 12.Rad1 Qe7 13.Ne5 de5 14.c5 Bd5 15.e4 Ba2 16.f4 Be6 17.Be5 Rad8 (17...bc5 18.bc5 a5 19.Bb5=) 18.Nf3 Ng4 (18...bc5 19.bc5 Rd1 20.Rd1+= (worse is 20.Qd1 Ne4 21.Bg7 Kg7+=; 20.Bd1?! Bh6=)) 19.Bg7+/– Kg7 20.Nd4 Ne3?? (better is 20...Bd7 21.Qb2 f6 22.Bg4 Bg4+/–) 21.Qc3+– Nd1 (21...f6 22.Qe3 Bd5+–) 22.Ne6 (22.Ne6 Kg8 23.Qg7) 1–0. Janek – Tundja, internet, 2017.

7.0–0 e6

8.Qb3 d6 9.a4 a5 10.ba5 Ra5 11.Bc3 Ra8 12.a5 Nbd7 13.ab6 Ra1 14.Ba1 Nb6 15.Na3 Qe7 16.Rb1 Bc6 17.Nb5 Rb8 18.Nfd4 Ba8 19.Na7 Qe8 20.Qa2 e5 21.Nf3 Bf3 22.Bf3 e4 23.Be2 Ra8 24.Rb5 Nfd7 25.Bg7 Kg7 26.Ra5 Ne5 27.Nb5 Ra5 28.Qa5 Qc6 29.Nd4 Qc5 30.Nb3 Qa5 31.Na5 f5 32.f3 Kf6 33.Kf2 Na4 34.Nb3 Nb2 35.Na5 g5 36.Kg3 Ned3 37.fe4 fe4 38.h4 Ne5 39.c5 dc5 40.Ba6 h6 41.Bb7 c6 42.hg5 hg5 43.Nb3 Nbd3 44.Na5 Nb2 45.Nb3 Nbd3 46.Na5 Nc1 47.Kf2 Ncd3 ½–½. Weber,Siegfried (2270) – Konopka,Michal (2350), Policka, 1992.

8.b5 d5 9.Nc3 dc4 10.Bc4 c6 11.a4 c5 12.d4 cd4 13.Nd4 Qc7 14.Be6 Bg2?? (better is 14...fe6 15.Ne6 Qf7 16.Nf8 Qf8=) 15.Kg2+– Qb7 16.f3 fe6 17.Ne6 Re8? (17...Ng4 18.Qd3 Qd7 19.Qd7 Ne3 20.Kf2 Nd7 21.Nf8 (21.Ke3?! Rae8 22.Ne4 Re6 23.Bg7 Kg7=) 21...Nf1 22.Nd7 (worse is 22.Rf1 Rf8 23.Ba1 Nc5+=) 22...Nh2 23.Kg2+–) 18.Ng7 Kg7 (18...Qg7 19.Ne4! Nbd7 20.Rc1+–) 19.Ne4 Nbd7 20.Nd6 Qd5 (20...Qc7 21.Rc1 Nc5 22.Ne8 Re8+–) 21.Qd5 Re3 22.Qa8 Re2 23.Rf2 Rf2 24.Kf2 (24.Kf2 Kh6 25.Bf6 Nf6 26.Qf8 Kh5 27.Qf6 a6 28.Rg1 Kh6 29.Nf7 Kh5 30.Qg5) 1–0. DEFFM – GuestHZFD, freechess.org, 2018.

8.Nc3 Nc6 9.b5 Ne7 10.d4 d5 (10...a6 11.a4=) 11.Nd2 (11.Qc2 Nf5+=) 11...dc4 (11...a6 12.a4=) 12.Nc4 Nfd5 13.a4 Nc3 14.Bc3 c5 (14...Nd5 15.Bd2 c5 16.bc6 Bc6+=) 15.Qb3 (better is 15.bc6 Bc6 16.Bb4+=) 15...cd4–/+ 16.Bd4 (16.Bb4 Bd5 17.Rac1 Rc8+=) 16...Bd4 17.ed4 Bd5 (17...Nf5 18.Rfd1–/+) 18.Qa3 (18.Qb4 Nf5 19.Ne5 Rc8–/+) 18...Nf5–/+ 19.Rfd1 Qg5 20.Qh3 Qf4 21.Qd3 Rac8 22.Ne3+= Be4 23.Qd2 Qg5 24.g3 Ne3 25.Qe3+= Qe3 26.fe3 Rc2 27.Bd3 Bd3 28.Rd3+= Rfc8 29.Rda3 Rd2 30.R1a2?? Rc1 0–1. Schmidtke,Wilfried (1700) – Richter,Thomas (1615), Landesliga Ost1, 2003.

8.d3 d6 9.Nbd2 Qe7 10.Qb3 Nbd7 11.Bc3 d5 12.Qb2 dc4 13.Nc4 Rfd8 14.Rfd1 Qf8 15.Rac1 Nd5 16.Bg7 Qg7 17.d4 Qf8 18.a3 Rac8 19.Nce5 c6 20.Rd2 N5f6 21.Rdc2 Qd6 22.Ng5 Rf8 23.Bf3 Nd5 24.Ne4 Qc7 25.Nc6 Bc6 26.b5 Nb8 27.bc6 Rfd8 28.Nc3 a6 29.Nd5 ed5 30.Qb3 1–0. Espig (2450) – Blees (2345), Kecskemet, 1987.

7.0–0 Nh5

8.d4 d6 9.Nbd2 Nd7 10.a4 e5 11.de5 Ne5 12.Ne5 de5 13.Bh5 gh5 14.Qe2 Qg5 15.e4 Rad8 16.Nf3 Qg6 17.Rfe1 (worse is 17.Ne5 Be5 18.Be5 Be4+=; worse is 17.Be5 Qe4 18.Rae1 Qe2 19.Re2 Bf3 20.gf3 Be5 21.Re5 Rd4=) 17...f6 18.h3 Rd7 19.a5 Rfd8 20.Bc3 Rd3 21.Rac1 Bh6 22.Rc2 Bf4 23.Nh4 Qg5 24.Nf5 Kf7 25.f3 Bc8 26.g4 Bf5 27.ef5 hg4 28.fg4?? Qh4 29.Qf1 Rh3 30.Rg2 Rh1 0–1. brother – kot63 (1655), kurnik, 2011.

8.d4 e6 9.b5 c5 10.Qc2 cd4 11.Nd4 d5 12.Bh5 Bd4 (12...gh5!? 13.Rd1 Qg5 14.cd5 Qd5+=) 13.Bd4 gh5 14.c5 Nd7? (better is 14...bc5 15.Qc5 f6+/–) 15.c6+– e5 (15...Rc8 16.Qa4 Bc6 17.bc6+–) 16.Bb2 (16.cb7 Rb8 17.Bb2 Rb7+–) 16...Nc5 (16...Rc8+–) 17.cb7 Rb8 18.Qf5 Rb7 (18...f6 19.f4 Na4 20.Ba3+–) 19.Be5 f6 20.Bd4 Qe8 21.Qd5 Qf7 22.Qf7 Rff7 23.Bc5 bc5 24.Nc3 Rfd7 25.Rfd1 Rd1 26.Rd1 1–0. carocan (1720) – burza56, kurnik, 2011.

7.a4 a5

8.b5 c5 9.d4=.

8.b5 d6 9.0–0 c5 10.bc6 Nc6 11.d4+=.

8.b5 d6 9.0–0 Nbd7 10.Nc3 Ne4 (10...Re8 11.d4=) 11.Qc2 Nc3 12.Bc3 (< 12.dc3 Nc5=+) 12...Bc3 13.Qc3 Nc5 (13...e5 14.d4+=) 14.d3 (14.d4 Ne4 15.Qc2 e6+=) 14...e5= 15.Nd2 (15.Rfe1 e4 16.de4 Be4=) 15...Re8 16.Bf3 e4 (16...Bf3 17.Nf3 Qf6 18.Rfe1=) 17.Ne4 Ne4 18.Be4 Be4 19.de4 Re4 20.f3 (20.Rad1 Qh4 21.Rd4 Rae8=) 20...Re5 21.Rad1 Qe7 22.e4 Re8 23.Rd5 Re6 24.Qd3 Qh4 25.Qc2 g5 26.Qd2+= Rg6 27.g3 Qh5 28.Rf5 h6 29.Qd5 Re7 30.f4 Qe2+= 31.fg5 Qe3 32.Kg2 Rg5 33.R1f3 Rf5?? 34.ef5 Qe2=+ 35.Rf2 Qe4 36.Rf3 Qd5 37.cd5= Re5 38.Rc3+= Rf5 39.Rc7 Rd5 40.Rc6 Rd4 41.Rb6 Ra4 42.Rd6 Rb4 43.Rb6 Kg7 44.Rb7 a4 45.b6 a3 46.Ra7 Rb2 47.Kh3 ½–½. Conti,Ferdinando – Bruno,El (1695), Open, Brescia ITA, 2009.

8.b5 d6 9.0–0 Nbd7 10.d4 Rc8 (10...e5 11.Nc3=) 11.Nc3 Ne4 (11...e5 12.Qc2=) 12.Ne4 Be4 13.Ng5 (13.Nd2 Ba8=) 13...Bb7 (13...Ba8 14.f4=) 14.Bf3 (14.f4 h6 15.Bf3 d5=) 14...Bf3 15.Qf3 (worse is 15.gf3 e5 16.f4 ef4 17.ef4 Nf6–/+) 15...Nf6 (15...e5 16.Ne4=) 16.Rac1 (16.Rfe1 Qd7=) 16...h6 (16...Qd7 17.Rfe1=) 17.Ne4 (17.Nh3 Re8+=) 17...Ne4 (17...Qd7 18.Nd2=) 18.Qe4 c5 (18...Qd7 19.Qd3=) 19.bc6 f5? (better is 19...Qe8=) 20.Qd5+– Kh7 (20...e6 21.Qb5+–) 21.Qb5 Qc7 (21...e6 22.Rfe1+–) 22.d5 Bb2 (22...e6 23.Rb1+– (23.de6?! Bb2 24.Qb2 Rfe8+/–)) 23.Qb2 e5 Black prepares f4 (23...f4 24.ef4 Rf4 25.g3+–) 24.Rc3 Rb8 (24...f4 25.e4+–) 25.Rb3 f4 26.e4 g5 (26...f3+–) 27.Rb1 Qc8 (27...Kg8 28.Rb6 Rbc8 29.Rb7+–) 28.Rb6 Rb6 (28...f3 29.gf3 Rb6 30.Qb6+–) 29.Qb6 f3 (29...Kg8 30.Qa7 Qe8 31.c7 Qa4 32.h4+–) 30.gf3 Qh3 (30...Kg6 31.c7 Rf3 32.Qd6 Kh5 33.Qe5 Qg4 34.Qg3 Rg3 35.hg3 (35.fg3?! Qe4 36.c8Q Qb1 37.Kg2 Qe4 38.Kf2 Qf5 39.Qf5=) 35...Qe4 36.Rb8 Qe1 37.Kg2 Qe4 38.Kh2+–) 31.Rb3 (better is 31.Qc7 Kg6 32.Qd6 Rf6 33.Qf6 Kf6 34.Rb8+–) 31...g4 (31...Qc8+–) 32.Qc7 Kg8 33.Rb7 (33.Rb7 Qh2 34.Kh2 g3 35.fg3 Rf7 36.Qf7 Kh8 37.Qg7) 1–0. Barcarola (1680) – obhni, internet free game, 2018.

8.b5 d6 9.0–0 Nbd7 10.d4 Re8+=.

7.a4 c5

8.bc5 bc5 9.Nc3=.

7.b5 a6

8.0–0=.

8.a4 ab5 9.ab5 Ra1 10.Ba1 d5 11.0–0 dc4 12.Bc4 Nbd7 13.d4 Qa8 14.Nbd2 Bd5 15.Qb3 e6 16.Bb2 Qb7 (16...c5 17.bc6 Qc6 18.Rc1=) 17.Ra1 Ra8 18.Ra6 Nb8 (18...c5 19.Qa4 Rc8 20.Ra7=) 19.Bd5+= Nd5 20.Ra8 Qa8 21.e4 Nf6 22.Qc2 Qb7 23.Ne5 Nfd7 24.Nc6 Nf6 (24...Qa8 25.Nb8 Qb8 26.Qc6+=) 25.Ne7 Kh8 26.d5 ed5 27.Bf6 Bf6 28.Nd5 Bd8 29.Qc3 Kg8 30.Qe5 Qc8 31.Qe8 Kg7 32.Ne7 Qd7 33.Qg8 Kf6 (33...Kh6 34.Qf8 Kh5 35.Nd5+–) 34.Nd5 Ke6 35.Qh8 f6 36.Nc4 Qb5 (36...Kf7 37.Qh7 Kf8 38.Qh8 Kf7+–) 37.Nc3 Qb4 38.Qd8 Qc3 (38...Nc6 39.Qc8 Kf7 40.Qc7 Kf8+–) 39.Qe8 1–0. Mensch – Mensch, Chess Game, 2018.

7.Nc3 c5

8.a3 e6 9.Qb3 d6 10.0–0 Nc6 11.d4 cd4 12.Nd4 Nd4 13.ed4 Nh5 14.Bh5 gh5 15.d5 Rc8 16.f4 (16.Rfe1 Qh4 17.Ne4 Rfd8+/–) 16...b5= 17.Ne4 (17.Nb5 Qb6 18.Kh1 Bb2 19.Qb2 Rc4=) 17...Rc4 18.Bg7 Kg7 19.Qb2 f6 20.Nd2 Qb6 21.Kh1 Rc7 22.de6 Rfc8 23.Qb3 Rc2 24.Qg3 Kh8 25.Nf3 Rg8 26.Qh4 Rcg2 27.Qf6 R2g7 28.Rae1 (28.Qc3!?=) 28...Qc6–/+ 29.Re3 Qc4 30.Rfe1 Qd5 (30...Qa2!? 31.Rg1 Qe6 32.Re6 Bf3 33.Rg2 Bg2 34.Kg1 Bd5 35.Kf2 Be6 36.Qe6 Rg6=) 31.h4= Qd2 32.Rg1 Qe3 33.Rg7 Rg7 34.Qf8 ½–½. Mikhalchenko,Petr (2320) – Pokazanjev,Nikolai (2440), Kemerovo op, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7)

8.b5 a6 9.0–0=.

8.b5 d5 9.cd5 Nd5 10.0–0 Nd7 (10...a6 11.Qb1=) 11.Qb3 N7f6 (11...e6 12.Rfc1=) 12.Rfd1+= Nc3 13.Bc3 (better is 13.dc3 Qc7 14.c4+=) 13...Nd5? (better is 13...Bd5!? 14.Qc2 Rc8=) 14.Bg7+/– Kg7 15.d4 c4 (15...Qd6!?+/–) 16.Bc4+– Rc8 17.Ne5 e6 18.Rac1 Rc7 19.Bf1 Qc8 20.Qa3 Nc3 21.Re1 Bd5 22.f3 f5 23.h3 Na2 24.Rc7 Qc7 25.Ra1 Nc3 26.Rc1 Rc8 27.Nc6! Na2 28.Rc2 a6? 29.Nb4 Qc2 30.Nc2 Rc2 31.e4 (31.e4 ab5 32.ed5 ed5 33.Qe7 Kg8 34.Bb5+–) 1–0. Rodriguez,Alberto2 (2310) – Durini,Gabriel, Buenos Aires BCA, 1987.

8.bc5 bc5 9.Rb1 d6=.

7.Nc3 d5

8.d4 dc4 9.Bc4 Nbd7 10.0–0 Ne8 11.Qb3 Nd6 12.b5 e6 13.a4 Rc8 14.Ba3 Re8 15.Rac1 Nc4 16.Qc4 c5 17.bc6 Bc6 18.Nb5 Bf3 19.Qc8 Qc8 20.Rc8 Rc8 21.gf3 a6 22.Nd6 Rc3 23.Bb2 Rb3 24.Bc1 Bf8 25.Ne4 a5 26.Bd2 Rd3 27.Bc1 Bb4 28.f4 h6 29.Kg2 f5 30.Ng3 Nf6 31.f3 Nd5 32.Kf2 Rc3 33.e4 Rc2 34.Kg1 Nc3 35.Be3 Ne2 36.Kg2 Nd4 37.Rf2 Rf2 38.Kf2 Bc5 39.Ne2 Nb3 40.Bc5 Nc5 41.Nc3 fe4 42.fe4 Kf7 43.Ke3 Ke7 44.Kd4 Kd6 45.Nb5 Kd7 46.Nc3 g5 47.f5 Ke7 48.e5 ef5 49.Nd5 Ke6 50.Nb6 Nb7 51.Nd5 f4 52.Nc7 Kf5 53.e6 Kf6 54.Ke4 Nd6 55.Kd5 Nf5 56.Nb5 f3 57.Nc3 Ke7 58.Nd1 g4 59.Ke5 Ng7 60.Ne3 h5 61.Nd5 Kd8 62.Ne3 Ne8 63.Kf5 Ke7 64.Ke5 0–1. Sazonov – Simovich, Moscow 1962.

7.d3 d5

8.Nc3=.

8.Nbd2 dc4 9.Nc4 Nbd7 10.0–0 c5 11.b5 Qc7 12.h3 Rad8 (12...a6 13.a4=) 13.Qc2 Rfe8 14.e4 e5 15.Qa4 Ba8 16.Qb3 Nh5 17.g3 Nhf6 18.a4 h6 19.Rfe1 Nh7 20.Rac1 Nhf8 21.Ra1 Ne6 22.a5 Nd4 23.Nd4 ed4 24.ab6 ab6 25.Ra2 Be5 (25...Ne5!?=) 26.Ne5+= Qe5 27.Rea1 (27.Bc1 Kg7+=) 27...Bb7 (27...Bd5 28.ed5 Qe2 29.Bd4=) 28.Ra7 (28.Bc1 Qg7 29.Ra7+/–) 28...Qc7 (better is 28...Bd5! 29.Qc2 f5=) 29.Bc1 g5 30.h4 (30.f4 Ra8+/–) 30...Re5 (30...gh4!? 31.Bf4 Ne5=) 31.f4 Ree8 32.fg5?? (better is 32.Bh5 Re7 33.hg5 hg5 34.Qd1+/–) 32...Qg3–+ 33.Kf1 Qh3 (better is 33...Be4 34.de4 Qb3–+) 34.Ke1–/+ Qh4 (34...Re4 35.Qd1 Qg3 36.Kd2 Rde8–+) 35.Kd1+= Bc8 (35...Be4 36.de4 (36.gh6?? Bf5 37.h7 Kh8–+) 36...d3 37.Bd3–/+) 36.gh6 Ne5 0–1. GuestFHRH – GuestLPYL, freechess.org, 2017.

7.d3 d6

8.Nbd2 Nbd7 9.0–0 Rb8 10.a4 Re8 11.Qc2 e5 12.e4 c5 (12...Bc8 13.Bc3+=) 13.b5 Nh5 14.g3 (14.Rfe1 Nf4+=) 14...Rf8 15.a5 f5 16.ab6 ab6 17.ef5 Rf5 18.Ne4 Be4 (better is 18...Rf8=) 19.de4+/– Rf7 20.Bc1 (20.Qd3 Qf6+/–) 20...Qf8 (20...Ra8 21.Ra8 Qa8 22.Ng5+/–) 21.Ng5+– Re7 22.Bh5 gh5 23.Qd1 Nf6 (23...h6 24.Qd5 Kh8 25.Ne6+/–) 24.Qd6 Rd8? (better is 24...h6 25.Nh3 Qd8 26.Qd8 Rd8+–) 25.Qb6 h6 (25...Qe8 26.Qc5 Rc8 27.Qe3+–) 26.Ne6 Nd7 1–0. Fredek (2090) – Guest77266, Freundschaftspartie, 5m + 0s, 2005.

8.Nbd2 Nbd7 9.Qc2 e5 (9...Re8 10.0–0+=) 10.0–0 e4 (10...Re8 11.e4=) 11.de4 (11.Ne4 Ne4 12.Bg7 Kg7 13.de4+/–) 11...Ne5? (11...Re8!?+=) 12.c5 (12.Ne5 de5 13.Be5 Ne4 14.Bg7 Nd2+/–) 12...Nf3+/– 13.Bf3 (worse is 13.Nf3 Be4 14.Bf6 Bc2 15.Bd8 Rfd8+=) 13...bc5 (13...dc5 14.bc5 Re8 15.Rfd1+/–) 14.bc5 dc5 15.e5 Bf3? (better is 15...Nd5+–) 16.ef6 (16.gf3?! Nd7 17.f4 Qh4+=; 16.Nf3?! Nd7+=) 16...Bf6 17.Bf6 (17.gf3?! Bb2 18.Qb2 Rb8+–) 17...Qf6 18.Nf3 (18.gf3?! Rfd8+–) 18...Qc6 (18...Qe7 19.Rac1+–) 19.Rfd1 c4 (19...Rfd8 20.Nd4! Qd6 21.Nb3+–) 20.Rd4 c3 21.Rd3 1–0. Janek – zendik, internet, 2016.

7.d4 d6

8.0–0 (--> 7.0–0 d6 8.d4).

8.Nc3 Nbd7 9.a4 c5 10.b5 Rc8 (10...cd4 11.ed4 Rc8 12.Qd3=) 11.0–0 (11.d5 Qc7+=) 11...Qc7 (11...Bf3!? 12.Bf3 cd4 13.Qd4 Nh5=) 12.d5+= Ne5 13.Nd2 (13.Ne5 de5 14.a5 Rfd8+/–) 13...e6+= 14.f4 Ned7 15.e4 Rce8 16.Bd3 Ra8 17.Kh1 Ne8 18.Qc2 Qd8 19.Nf3 Bc8 20.Rae1 e5 21.Bc1 ef4 22.Bf4 Ne5 23.Ne5 de5 24.Be3 Nd6 25.Qd2 f5 26.ef5 gf5 (26...Bf5!? 27.Bf2 Re8=) 27.Bh6+/– Qf6 28.Bg7 Qg7 29.Rf3 Kh8 30.Ref1 Bd7 31.Rg3 Qe7 32.Qh6 Rf6 33.Qh4 Qf7 34.Ne4 Ne4 35.Be4 Rf8 36.Rgf3 Qg7 37.g4 (better is 37.Qf2!?+/–) 37...Rh6+= 38.Qg3 f4 39.g5 Rh5 (39...fg3? 40.Rf8 Qf8 41.Rf8 Kg7 42.gh6 Kf8 43.Bh7+–) 40.g6 Bf5 (40...fg3? 41.Rf8 Qg8 42.Rg8 Kg8 43.gh7 Kg7 44.Rf3 Rh2 45.Kg1+–) 41.Qe1 Qg6 42.Bf5 Qf5 43.a5? Qc2–+ 44.Qf2 Qc4 45.ab6 ab6 46.Qd2 Qd4 47.Qa2 Rg5 48.d6 Rfg8 49.R3f2 Qe4 50.Rf3 Rg1! (50...Rg1 51.Rg1 Qf3 52.Qg2 Rg2 53.Rg2 Qd1 54.Rg1 Qd5 55.Rg2 f3–+) 0–1. Laske,Erich (2120) – Frosch,Ronald, Leiner op, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7)

6.Be2 c5

7.Qb3 cb4 8.Qb4 Nc6 9.Qa4 Bb7 10.0–0 d5 11.cd5 Qd5 12.Nc3 Qf5 13.d4 Rfd8 14.Rfd1 Rac8 15.Rac1 Qa5 16.Qb3 Qb4 17.Ba3 Qb3 18.ab3 Bf8 19.Bb2 e6 20.Nd2 Na5 21.Na2 Rc1 22.Nc1 (worse is 22.Bc1 Bd5–/+) 22...Rc8 23.Nc4 Nc4 24.bc4 Ne8 25.Nb3 a5 26.Bc3 (26.Ra1 Ba6 27.Rc1 Nd6=) 26…Nd6 ½–½. Gerold,Guenter (2080) – Marotz,Hans Joachim (2330), BdF, 2007.

7.b5 a5 8.0–0 Bb7 9.d3 d6 10.Nbd2 Nbd7 11.Ng5 h6 12.Bf3 Qc7 13.Bb7 Qb7 14.Ngf3 Rad8 15.Qe2 e6 ½–½. Heinig,Wolfram – Knaak,Rainer, DDR–ch, 1971.

7.b5 d6 8.a4 Ne4 9.Bg7 Kg7 10.Qc2 d5 11.Nc3 Nc3 12.Qc3 f6 13.a5 ba5 14.Ra5 e5 15.cd5 Qd5 16.Bc4 Qd8 17.0–0 Bg4 18.Rfa1 Bf3 19.gf3 Qc7 20.Bd5+– Nd7 21.Ba8 Ra8 22.Qa3 Qb7 23.Ra7 Ra7 24.Qa7 Qb5 25.Ra5 Qd3 26.Rc5 Qd2?? 27.Rc7 Qd1 28.Kg2 Kh6 29.Rd7 Qb3 30.Rh7 Kg5 31.h4 Kf5 32.Qd7 Qe6 33.e4 Kf4 34.Qd2 1–0. Fournier,Frederic – marylou_c, Active (1+10), 2008.

7.a3 Na6

8.Qb3 Bb7 9.0–0 d5 10.cd5 Bd5 11.Qa4 Nc7 12.bc5 bc5 13.Be5 Qd7 14.Qa5 Ne6 15.Nc3 Bc6 16.Rfc1 Rfc8 17.Bb5 Bb5 18.Qb5 Qb5 19.Nb5 Ne4 20.Bg7 Kg7 21.d3 Rcb8 22.a4 a6 ½–½. Espig,Lutz (2430) – Malisauskas,Vidmantas (2325), HUN–ch op Eger, 1987.

8.b5 Nc7 9.0–0 Bb7 10.Nc3 d5 11.d4 Ne6 12.dc5 Nc5 13.Na4 Rc8 14.Nc5 Rc5 15.Bd4 Rc7 16.Rc1 dc4 17.Rc4 Bf3 18.gf3 Rd7 19.Qc1 Nh5 20.Bg7 Ng7 21.f4 Nf5 22.Bg4 e6 23.Bf5 ef5 24.h3 Qh4 25.Kg2 Qe7 26.a4 Rfd8 27.Kg3 ½–½. Espig,Lutz (2470) – Barczay,Laszlo (2465), Makarczyk Memorial, 1978.

8.b5 Nc7 9.0–0 Bb7 10.d4 Ne4 11.Nbd2 f5 12.Ne5 d6 13.Nc6 Bc6 14.bc6 e6 15.Ne4 fe4 16.Rb1 d5 17.dc5 bc5 18.Bg7 Kg7 19.Qc2 Qd6 20.Rbc1 d4 21.Qe4 e5 22.Rb1 Rf7 23.Rb7 a6 24.Bg4 Raf8 25.Bd7 h6 26.h3 Kh7 27.Re1 de3 28.f3 Re7+/– 29.Re3 Rf4 30.Rd3 Qf6 31.Qe2 e4 32.Re3+– Rf7? 33.Re4 Re4+/– 34.Qe4 Re7 35.Qd3 Re1 36.Kf2+– Ra1 37.Bg4 Ra2?? 38.Kg3+– h5 39.Rc7 Kh6 40.Qe3 g5 41.Qe6 (41.Qe6 Qe6 42.Be6 h4 43.Kh2+–) 1–0. Hecht,Hans Joachim (2400) – Schulze,Ulrich (2400), Bodensee–Cup 1st, 1995.

7.a3 Bb7

8.0–0 a5 9.bc5 bc5 10.Nc3+=.

8.0–0 Na6 9.Qb3 Rc8 10.d3 d5 11.Nbd2 e6 12.h3 Qe7 13.b5 Nb8 14.a4 Nbd7 15.Ne5 Ne5 16.Be5 Ne4 17.Bg7 (worse is 17.de4 Be5 18.Ra3 de4–/+) 17...Nd2 18.Bf8 Rf8 (18...Nb3?? 19.Be7 Na1 20.Ra1+–) 19.Qb2 Nf1 20.Bf1 dc4 21.dc4 Rd8 22.a5 Qg5 23.Qc3 Rd7 24.Kh2 Qf5 25.Kg1 Qg5 26.Kh2 Qh4 27.f3 Qf2 28.Qe1 Qb2 29.ab6 ab6 30.Ra7 Qe5 31.Qg3 Qg3 32.Kg3 Kg7 33.f4 Kf6 34.Be2 Ke7 35.Kf2 Kd6 36.g4 h6 37.h4 Be4 38.Ra6 Kc7 39.Bf3 Bf3 40.Kf3 Kb7 41.Ke4 f6 42.Ra1 Rd2 43.Rg1 Rc2 44.g5 hg5 45.hg5 fg5 46.Kd3 Ra2 47.Rg5 Ra3 48.Ke2 Ra2 49.Kf3 Rc2 50.Rg6 Rc4 51.Re6 Rc1? 52.Ke4 Rb1 53.f5 Rb5 54.f6 Rb1 55.Re5 Rb4 56.Kf3 Rb1 57.Rf5 Rh1 58.f7 (58.f7 Rh8 59.f8Q Rf8 60.Rf8+–) 1–0. Hasangatin,R (2500) – Ben Artzi,I (2265), Pardubice CZE, 2012.

8.0–0 cb4 9.ab4+= d5 10.c5 a5 11.d4 Ne4 (11...ab4 12.Ra8 Ba8 13.Qa4=+) 12.Nfd2 ab4 13.Ra8 Ba8 14.Ne4 de4 15.Qa4 Nd7 (15...Nc6 16.Bb5 Qc7 17.Rc1=) 16.c6+= Nf6 17.Nd2 Qd6 18.Rc1 Rc8 19.Qa6 (19.Bb5 Ng4 20.Nf1 Nf6+=) 19...Qe6 (19...Qc7 20.Bb5+=) 20.Bb5 Qf5 (20...Nd5 21.Qa7 Nc7 22.Bc4+/–) 21.c7 (21.Nc4 Bc6 22.Nb6 Ra8 23.Na8 Bb5 24.Qc8 Qc8 25.Rc8 Bf8+–) 21...Nd5 (better is 21...Bd5+=) 22.Qa4 Nf6? (22...Qg5 23.Bd7 Ne3+–) 23.Ba6 (23.Ba6 h5 24.Bc8 Qc8 25.Qb4+–; 23.Qb4?! Ng4 24.Rf1 Rc7=) 1–0. Klaric,Zlatko – Chiburdanidze,Maya, Vinkovci, 1983.

8.0–0 Nc6 9.Qb3 e6 10.d3 Qe7 11.Bc3 d5 12.Nbd2 Rfd8 13.Rfe1 Rac8 14.Rab1 dc4 15.dc4 cb4 16.ab4 Ne8 17.Bg7 Ng7 18.Qb2 Rc7 19.Rec1 Ne8 20.c5 bc5 21.Rc5 a5= 22.Rbc1 Nb4 ½–½. Vogt,Lothar (2510) – Pribyl,Josef (2390), Warsaw Cup, 1980.

8.0–0 d5 9.cd5 Nd5 (9...cb4 10.ab4 Qd5 11.d4=) 10.Bg7+= Kg7 11.bc5 bc5 12.Qc2 Qc7 13.Nc3 Nd7 14.Nd5 Bd5 15.d4 Rac8 16.e4 Ba8 17.d5 Qf4 18.Bc4 Nf6 19.Rfe1 e6 20.Ba6 Rce8 21.Qc5+= ed5 22.e5 Ng4 23.Qa7 Ne5 24.Qd4 Qd4 25.Nd4 Kf6 26.a4 Nc4 27.Bb5 Re1 28.Re1 Rc8 29.Rc1 Ke5 30.Nf3 Kd6 31.Re1 f6 32.Nd4 Kc5 33.Ne6 Kd6 ½–½. Levin,Naum L – Levin,Mikhail, UKR–ch Kiev, 1959.

8.0–0 e6 9.Nc3 d5 10.bc5 bc5 11.Rb1 Nbd7 12.Nd5 Bd5 13.cd5 Nd5 14.Bg7 Kg7 15.Bb5 N7b6 16.Qc2 Qe7 17.Rfc1 Rac8 18.Ba6 Rc7 19.a4 Rd8 20.a5 Nd7 21.Bb7 N7f6 22.a6 e5 23.d3 e4 24.de4 Ne4 25.Qc4 Ndf6 26.Qa4 Nd6 27.Bc6 Rdc8 28.Bb7 Nb7=+ 29.ab7 Rb7 30.Rb7 Qb7 31.h3 a6 32.Ra1 Rc6 33.Ne5 Rb6 34.Qc2 Rb2 35.Qc4=+ Ne4 36.Nd3 Rb5 37.f3 Rb1 38.Rb1= Qb1 39.Kh2 Qb8 40.Kg1 Qb1 41.Kh2 Qb8 ½–½. Kortchnoi,V – Gufeld,E, URS–ch31 Leningrad, 1963.

8.0–0 e6 9.d3 d5 10.cd5 ed5 11.Nbd2 Nbd7 12.Nb3 Re8 13.Rc1 Bf8 14.Qd2 d4 15.e4 (15.bc5 de3 16.fe3 Nc5 17.Nc5 Bc5 18.Rc5 bc5+/–) 15...a5 16.bc5 bc5 17.Qc2 Ba6 18.Nbd2 Nd5 19.Nc4 Nf4 20.Bd1 Rb8 21.Rb1 Nb6 22.Nfd2 Bb5 23.Bc1 Ba4 24.Nb3 Nc4 25.dc4 d3 26.Qd2 Ne2! 27.Kh1 Nc1 (27...Re4!? 28.Rb2 Rh4 29.Qg5–+) 28.Qc1 Bb3 29.Rb3 Rb3 30.Bb3 Re4 31.Qd2 Re2 32.Qf4 d2 33.Qf3 Re1 34.Kg1 Qd4 35.g3? a4! (35...a4 36.Bd1 Qc4–+) 0–1. Espig,Lutz (2435) – Pribyl,Josef (2450), Rubinstein Memorial, 1973. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 Bb7 7.0–0 c5 8.a3 e6 9.d3)

8.0–0 e6 9.d3 d5 10.cd5 ed5 11.Nbd2 Nbd7 12.bc5 bc5 13.Rc1 Re8! 14.Rc2? Bc6! 15.Qa1 Ba4 16.Rcc1 d4 –+ 17.e4 Nd5 18.Bd1 Bd1 19.Rcd1 Nc3 20.Rde1 Nb6 21.e5 Ncd5 22.Re4 Re6 23.Rc1 Qe7 24.Nc4 Nc4 25.Rc4 Nb6 26.Rc2 Nd7 27.Qa2 Ne5 28.Ne5 Re5 29.Qd5 Rd5 30.Re7 Bf8 31.Re4 Rb8 32.g3 Rb3 33.Rd2 Rd8 34.Kg2 Rdb8 35.Bc1 Bd6 36.h4 h5 37.a4 Kg7 38.Rc2 Rd3 39.Bf4 Bf4 40.Rf4 Rc8 41.Kf1 f5 0–1. Spiridonov – Pribyl, Varna 1976.

8.0–0 e6 9.d3 d5 10.cd5 ed5 11.Nbd2 Nbd7 12.bc5 bc5 13.Ne5!? Ne5 14.Be5 Re8 15.Bg3 Nh5 16.Bh5 Ba1 unclear.

8.0–0 d6

9.d4 Nbd7 10.Qb3 Rb8 11.Nc3 cd4 12.Nd4 Ne4 (12...Rc8 13.Rfd1+=) 13.Ne4 Be4 14.Nb5 a6 15.Bg7 Kg7 16.Nc3 Bb7 17.Rad1 Nf6 (17...Rc8 18.Nd5+=) 18.f3 (18.Nd5 Bd5 19.cd5 a5+=) 18...Rc8 19.e4 Qc7 20.Rc1 Kg8 (20...h6 21.Qd1+=) 21.Qb2 Qb8 (21...Qd7 22.Qd2+=) 22.Qd2 Kg7 (22...Bc6 23.Qe3+=) 23.Qe3 (23.Qd4 Bc6+/–) 23...Nd7 (23...Qc7 24.Nd5 Bd5 25.cd5+=) 24.f4+/– a5 (24...Rc6 25.Nd5 Qe8 26.f5+/–) 25.Bg4 (25.Nd5 ab4 26.ab4 Bd5 27.ed5 Nf6+/–) 25...e6 26.Nb5 (26.Be2 ab4 27.ab4 f6+/–) 26...Nf6 (26...ab4!? 27.ab4 Ba6+=) 27.Bf3+/– Ba6 28.e5 (28.Nd6 Qd6 29.e5 Qc7 30.ef6 Kf6+/–) 28...de5 (28...Nd5 29.Bd5 Bb5 30.cb5 Rc1 31.Rc1 ed5 32.Rc6 de5 33.Rb6+/–) 29.fe5 Ne8 (29...Nd5 30.cd5 (worse is 30.Bd5 Bb5 31.cb5 Rc1 32.Rc1 ed5+/–) 30...Bb5 31.Rc8 Rc8 32.Rb1 ed5 33.ba5+/–) 30.ba5 ba5 31.a4 f6 (31...Kg8!?+/–) 32.Nd4+– Nc7?? (32...Bc4 33.Rc4! Rc4 34.Ne6 Kh8 35.Nf8 Qe5+–) 33.Rb1 1–0. Harika,D (2510) – Soumya,Sw (2250), World Women Ch, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 c5 7.a3 Bb7)

9.d4 Nbd7 10.Qb3 Rb8 11.Rd1 Ne4 12.dc5 Bb2 13.Qb2 bc5 ½–½. Wirthensohn,Heinz (2405) – Zueger,Beat (2435), SUI–ch int+ Switzerland, 1989.

9.d4 Nbd7 10.Nbd2 e6 11.Qb3 Qc7 12.Rfd1 Rac8 13.Rac1 Rfd8 14.Nf1 Qb8 15.Ne1 d5 16.cd5 Bd5 17.Bc4 cd4 18.Bd4?? (better is 18.Bd5 Rc1 19.Rc1 Nd5 20.Bd4 Bd4 21.ed4=) 18...Rc4–+ 19.Rc4 b5 (19...Bc4?! 20.Qc4 e5 21.Bb2=) 0–1. Paredes Galan,Angel (2285) – Becerra Rivero,Julio (2465), ESP–chT Spain, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 c5 7.a3 Bb7)

9.d4 Nbd7 10.d5 cb4 11.ab4 b5 12.Nbd2 bc4 13.e4 Nb6 14.Bd4 Qd7 15.Bb6 ab6 16.Ra8 (16.Nc4? Ra1 17.Qa1 Nd5–+; 16.Bc4? Ra1 17.Qa1 b5–+) 16...Ra8 17.Bc4 Ne8 18.Bd3 b5 19.Nb3 Bc3 20.Nbd4 Bb4? (better is 20...Nc7+=) 21.Bb5+– (21.Nb5?! e6 22.de6 fe6=) 21...Qc8 22.Qb1 Qc5 23.Rc1 Bc3 24.Be8 Re8 25.Qb7 Qa3 26.Rf1 Kf8 27.Nc6 Bf6 28.h3 Kg7 29.Qd7 Ra8 30.e5 de5 31.Nce5 h5 32.Qc6 Rd8 33.Nd7 Bb2 34.Qc7 Ra8 35.Qc2 Kg8 36.Nb6 Rb8 37.Nc4 Qc5 38.Rb1 Rb4 39.Rb2 Rc4 40.Rb8 Kh7 41.Qb2 f6 42.Ng5 Kh6 43.Ne6 Rc1 44.Kh2 Qd6 45.f4 Kh7 46.Rd8 (46.Rd8 Qd8 47.Nd8+–) 1–0. Ree,Hans (2455) – Kouatly,Bachar (2490), FRA–NED Cannes, 1990.

9.d4 Ne4 10.Nbd2 Nd7 11.Qc2 Nd2 12.Qd2 e6 13.Rfd1 Nf6 14.dc5 Ne4 15.Qc2 Bb2 16.Qb2 bc5 17.Rab1 Qe7 18.Ne1 cb4 19.ab4 Rfc8 20.f3 Nf6 21.e4 Rc7 22.e5 de5 23.Qe5 Ne8 24.Nc2 f6 25.Qa5 Nd6 26.Ne3 Kg7 27.Bf1 Nf7 28.Kh1 Ne5 29.f4 Nc6 30.Qa4 Rd8 31.Rd8 Qd8 32.Rd1 Qb8 33.b5+/– Ne7 34.Qb4 Qc8 35.Qd6 Kf7 36.Kg1 Nf5 37.Nf5 gf5 38.Rd3 Be4 39.Rh3 Kg7 40.Rg3 Kh6 41.c5!+– Bd5 42.c6 Rf7 43.Rc3 Rc7 44.Bc4 Bc4 45.Rc4 Kg7 46.Rc3 Kf7 47.h3 Ke8 48.Re3 Kf7? 49.Re6!! (49.Re6 Qe6 50.Qc7 Qe7 51.Qb7+–) 1–0. Vogt,Lothar (2500) – Honfi,Karoly (2420), Kecskemet Toth Memorial 7th, 1979.

7.a3 Nc6

8.Qb3 a5 9.bc5 (9.b5!? Nb8 10.Nc3+=) 9...bc5= 10.Nc3 e5 (10...Rb8 11.Qc2=) 11.d3 (11.Qc2 Rb8=) 11...d6 (11...Rb8 12.Nb5=) 12.0–0 Bd7 (12...Rb8 13.Qc2=) 13.Nb5 (13.Qc2 Rb8=) 13...Qe7 14.Qc2 (14.Rab1 Rab8=) 14...Na7 (14...Rab8 15.Rab1=) 15.Na7+= Ra7 16.Bc3 (16.Rab1 Bf5+=) e4 (16...Bc6 17.Rfb1+=) ½–½. Espig,Lutz – Gipslis,Aivars, Tallinn, 1975.

8.Qb3 d6 9.0–0 e5 10.d3 h6 11.Nc3 Be6 12.Nd2 Rb8 13.Bf3 Qd7 14.b5 Ne7 15.Nde4 Nh7 16.Nd5 Nd5 17.cd5 Bf5 18.Ng3 Bg4 19.Bg4 Qg4 20.f4 ef4 21.Rf4 Qg5 22.Bg7 Kg7 23.Raf1 f5 24.R1f3 Rbe8 25.Nf5 gf5 26.Rg3 Re3 27.Rff3 Rf3 28.gf3 f4 29.Rg5 Ng5 30.Kf2 Rf7 ½–½. Espig,Lutz (2350) – Borriss,Martin (2460), 8. ch–Euro Dresden GER, 2007.

8.b5 Na5 9.0–0 d5 10.cd5 Nd5 11.Bg7 Kg7 12.d4 cd4 13.Qd4 Nf6 14.Qe5 Be6 15.Nbd2 Rc8 16.Qb2 Kg8 17.e4 Nd7 18.Rfd1 Qc7 19.Nd4 Nc5 20.Ne6 fe6 21.e5 Na4 22.Qa2 Qe5 23.Bg4 Nc5 24.Re1 Qf6 25.Ne4 Ne4 26.Re4 (worse is 26.Be6 Kh8 27.Bc8 Rc8–/+) 26...Rc2 27.Qe6 (27.Be6?? Kg7 28.f3 Ra2 29.Ra2 Qg5–+) 27...Qe6 28.Be6 Kg7 29.f4 Rd8 30.Rae1 Kf8 31.Bh3 Rc7 32.f5 Nb7 33.fg6 hg6 34.Be6 Nd6 35.Rg4 Kg7 (35...Nb5?? 36.Rg6 Na3 37.Rg8) 36.h4 Rh8 37.a4 Rh5 38.Ba2 Rhc5 39.Re6+/– g5 40.h5 Nf7? 41.Rg6+– Kf8 42.h6 Rc1 43.Kh2 Nh6 44.Rh6 Kg7 45.Rh5 1–0. Aleksandrov,Aleksej (2535) – Yandemirov,Valeri (2430), Alekhine op Moscow, 1996. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 c5 7.a3 Nc6)

8.b5 Na5 9.Nc3 d5 10.cd5 Nd5=.

8.b5 Na5 9.d3 Bb7 (9...d5 10.0–0=+) 10.Nbd2 e6 (10...Qc7 11.0–0=+) 11.0–0= d6 (11...a6 12.a4=) 12.Qc2 Qe7 13.Bc3 Nd7 14.d4 (14.Ne4 d5 15.Bg7 Kg7=+) 14...a6 (14...Rac8 15.Qa4=) 15.a4 Rfc8 16.Qb2 Qd8 17.Rac1 (17.Rfd1 cd4 18.Nd4 Bf6=) 17...Ra7 (17...ab5 18.ab5 cd4 19.ed4=+) 18.Rfd1 (18.Ba5 ba5 19.g3 ab5 20.cb5 Nb6=+) 18...cd4 19.Bd4 e5 20.Bc3 Nc5 (20...ab5 21.ab5 (< 21.Qb5 Bc6 22.Qb4 Nc5–/+) 21...Nc5 22.Ra1=+) 21.Ba5= ba5 22.Qa3 Qb6 23.Nb3 Bf8 24.Nc5 Rc5 25.Qb3 Ra8 26.Ne1 d5 27.cd5 Bd5 28.Qb2 Rc1= 29.Rc1 Re8 30.Qd2 Bb7 31.ba6 Ba6 32.Ba6 Qa6 33.Qd7 Qa8 34.Nd3 Rd8 35.Qb5 Qd5 36.Ne5 Qb5 37.ab5 Rd5 38.f4 Rb5 39.Rc8 Kg7 40.Rc7 Bd6 41.Rf7 Kg8 42.Rd7 Be5 43.fe5 Re5 44.Ra7 ½–½. Timofeev,Ar (2520) – Inarkiev,E (2465), White Nights, St Petersburg RUS, 2001.

8.Bc3 d5 9.bc5 bc5 10.cd5 Qd5 (worse is 10...Nd5 11.Bg7 Kg7 12.Qc2+=) 11.0–0 e5 12.d3 Rd8 13.Nbd2 Ba6 14.Nc4 Qe6 (14...e4 15.de4 Ne4 16.Qd5 Rd5 17.Bg7 Kg7 18.Rfc1+=) 15.Qa4 (better is 15.Nce5!? Ne4 16.Nc6 Nc3 17.Nd8 Rd8 18.Qc2 Ne2 19.Qe2 Bd3 20.Qd2 Ba1 21.Ra1=) 15...Bc4= 16.dc4 Ne4 17.Be1 Rab8 18.Ra2 f5 19.h3 h6 20.Rc2 Rd7 21.Nh2 Nf6 22.Bc3 e4 23.Re1 Kh7 24.Nf1 Ne5 25.Rd1 Rd1–/+ 26.Bd1 Qd7 27.Qd7 Nfd7 28.Nd2 Rb6 29.Be2 Ra6 30.Nb1 Rb6 31.Nd2 Rd6 32.f3 ef3 33.gf3 g5 34.Kf1 Kg6 0–1. Csom,Istvan (2405) – Afek,Yochanan (2395), Kecskemet, 1994.

7.a3 d6

8.0–0 Bb7 9.Qb3 Nbd7 10.Nc3 e5 11.Rfd1 e4 12.Ne1 Ne5 13.d3 Nfg4 14.Bg4 Ng4 15.h3 Nf2 16.Kf2 Qh4 17.Kg1 Qg3 18.Nd5 Bd5+/– 19.Bg7 Qe3 20.Kh1 Kg7 21.cd5 Rae8 22.Qb2 f6 23.de4 Re4 24.Nf3 Qf4 25.bc5 bc5 26.Re1 Rfe8 27.Re4 Re4 28.Qb7 Kh6 29.Qb8 f5 30.Rb1 Qg3 31.Qb2 c4 32.Qd2 f4 33.Rc1 g5? 34.Qb2 Re3 35.Qf6 Kh5 36.Qg7 h6 37.Qf7 1–0. Guramishvili,Sopiko (2295) – Andrenko,Irina (2130), World Girls U20 Championship Czarna Poland, 2010.

8.0–0 Bb7 9.d4 Nbd7 10.Qb3 Qc7 11.Nc3 a6 12.Rfd1 Rab8 (12...Rfc8 13.d5+=) 13.Rd2 Rfc8 14.d5 Re8 15.Bf1 Rbc8 16.Rb1 e6 17.b5 a5 18.de6 fe6 19.Rbd1 Bf8 (19...Bf3 20.gf3 Ne5 21.Bg2= (worse is 21.Rd6 Nf3 22.Kg2 Rf8–+)) 20.Qc2 Be7 (20...Bf3!? 21.gf3 Ne5+=) 21.Ng5+/– Nf8 22.Nce4 Ne4 23.Ne4 Red8 24.Nf6 Bf6 25.Bf6 Rd7 26.f4 e5 27.Be2 Rf7 28.Rd6 Nd7 29.fe5 Rcf8 30.Qc3 Bc8 31.Bg4 (31.Bg4 Nf6 32.Bf3+=) 1–0. Gaprindashvili,Valerian (2445) – Jobava,Beglar (2155), GEO–ch U20 Tbilisi, 2000. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0–0 5.Be2 b6 6.c4)

8.0–0 Nbd7 9.d4 e6 10.Nc3 Bb7 11.Qb3 Qb8 12.Rfd1 a6 13.Rd2 Qc7 14.Rad1 Rfd8 15.dc5 dc5 16.b5 Nf8 17.ba6 Rd2 18.Nd2 Ra6 19.Nb5 Qb8 20.Bf3 N8d7 21.Bc3 Ne8 22.Bg7 Kg7 23.Qc3 Kg8 24.h4 Ndf6 25.Bb7 Qb7 26.e4 Ra8 27.e5 Nh5 28.Nf3 Qe4 29.g3 h6 30.Rd7 Qc6 31.Qd3 Kg7 32.Nh2 Ra4 33.Re7 Ra8?? 34.Na7+– Qa4 35.Qf3 (35.Qf3 Nd6 36.ed6+–) 1–0. Spiridonov,Nikola (2400) – Nowak,Ignacy (2395), Rubinstein Memorial, 1985.

8.d4 Bb7 9.0–0 Nbd7 10.Nc3 cd4 11.ed4 e6 12.Re1 a6 13.Nd2 Qc7 14.Rc1 Rac8 15.d5 e5 16.Nce4 Ne4 17.Ne4 Bh6 18.Rc3 f5 19.Nd2 Nf6 20.Rh3 Qg7 21.a4 Bf4 22.Ra3 Qh6 23.Rh3 Qg7 24.Ra3 Rce8 (24...a5 25.ba5 ba5 26.Bc3=) 25.a5+= ba5 26.Ra5 e4 27.Nf1 Be5 28.Be5 Re5 29.f4 ef3 30.Bf3 Re1 31.Qe1 Re8 32.Qc3 g5 33.Ra2 (33.Qd3 f4+=) 33...g4= 34.Bd1 f4 (34...Ne4 35.Qg7 Kg7 36.Bc2=) 35.Re2 Re2 36.Be2 f3 37.Bd3 h5 38.Qd4 h4 39.Bf5 Qg5 40.Be6 Kg7 41.Ne3 g3 42.hg3 f2 43.Kf2 hg3 44.Kf3 Kf8 45.Qf4 Qg6 46.Qd6 Kg7 47.Qc7 Kh6 48.Nf5 Kh5 49.Bf7 1–0. Akhmedzhanov,Kamil (2335) – Kozlov,Roman (2360), Astrakhan Cup, 2008. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0–0 5.e3 b6 6.Be2 c5 7.a3 d6)

7.b5 a6

8.0–0 ab5 9.cb5 Bb7 10.a4 d6 11.d3 Nbd7 12.Nbd2 Qc7 13.Re1 d5 14.Bf1 e5 15.e4 Rfe8 16.Qc2 h6 17.g3 Nh7 18.Bg2 de4 19.de4 Nhf8 20.Bh3 Ne6 21.Be6 Re6 22.Nc4 Nf8 23.Bc3 Rae8 24.Rad1 Ba8 25.Nh4 Nh7 26.f3 Ng5 27.Qd3 f5 28.Qd7 Qd7 29.Rd7 fe4 30.f4 Nf3 31.Nf3 ef3 32.Be5 Bf6 33.Red1 g5 34.R1d6 gf4 35.Re6 Re6 36.Bf6 Re1 37.Kf2 Re2 38.Kf1 Rh2 39.Ne5 Rh1 40.Kf2 Rh2 41.Kg1 (41.Kg1 f2 42.Kh2 f1N 43.Kg1 Bc6 44.Rd8 Be8 45.Re8 Kh7 46.Rh8#) 1–0. Kiik,K (2445) – Cheutshenko,R (2345), ch–EST, Tallinn EST, 2000.

8.a4 ab5 9.ab5 Ra1 10.Ba1 Bb7 11.0–0 Qc7 12.Nc3 d6 13.Qb3 Nbd7 14.Bb2 e6 15.Ra1 d5 16.d3 Rd8 17.h3 d4 18.ed4 cd4 19.Na4 (< 19.Nd4 Nc5 20.Ne6 Ne6–+ (20...Nb3?! 21.Nc7 Na1 22.Ba1=; 20...fe6?! 21.Qc2–+)) 19...e5 20.Nd2 e4 21.de4 Ne4 22.Ne4 Be4 23.Rd1 Nf8 24.Bc1 Ne6 25.Bd3 Bd3 26.Qd3 Ra8 27.Nb2 Nc5 28.Qe2 Qe5 29.Qf3 Ra1 30.Bf4 Rd1 31.Nd1 Qe1 32.Kh2 h6 33.g3 Qf1 34.Nb2 d3 35.Nd1 Ne6 36.Ne3 Qe1–/+ 37.Kg2 d2 38.Qa8 Kh7 39.Qa4 Bd4 40.Nd1 Qe4 41.Kh2 Qf3 42.Qc2 Nf4 (42...Nf4 43.gf4 Bf2 (43...Qf4?! 44.Kg2–+) 44.Nf2 Qf2 45.Kh1 Qf1 46.Kh2 d1Q 47.Qd1 Qd1–+) 0–1. Partikas,Valentinas A (2325) – Bochev,Krasimir (2520), ICCF corr W–24ch sf12, 2000.

8.a4 d5 9.0–0 Bb7 10.cd5 ab5 11.ab5 Ra1 12.Ba1 Nd5 (12...Qd5 13.d4=) 13.Bg7+= Kg7 14.Na3 Nd7 15.Nc4 Qc7 16.Qb3 ½–½. Ree,Hans – Maeder,Karl Heinz, Bad Pyrmont, 1970.

8.Nc3 d5 9.Qb3 d4=+ 10.ed4 cd4 11.Na4 ab5–/+ 12.cb5 Ne8 13.Rc1 Bb7 14.0–0 Bd5 15.Bc4 Bc4 16.Rc4 e5 17.Rfc1 Nd6=+ 18.Rb4 Nb7 19.Qc2 Nd7=+ 20.Ba3 Na5 21.Rbb1 Re8 22.Bd6 e4–/+ 23.Ne1 Rc8 24.Qd1 Nc4 25.Bf4 Qf6 26.Qg4 Qe6 27.Qe6 fe6 28.Rb4 Na5 29.Rc7= e5 30.Rc8?? Rc8–+ 31.Bg5 Rc1 (32.Kf1 Bf8–+) 0–1. Diener,Rudolf – Soegaard,Ove, corr ICCF, 1986.

7.b5 Bb7

8.0–0 d5 9.cd5 Qd5 10.Nc3 Qd6 11.d4 Nbd7 12.Na4 cd4 13.Qd4 Qe6 14.Rfd1 Rac8 15.Rac1 h6 16.Nh4 g5 17.Nf3 Bd5 18.Nc3 Bc4 19.Bc4 Rc4 20.Qd2 Qg4 21.h3 Qh5 22.Nd5 Re4 23.Ba3 Nd5 24.Qd5 Nf6 25.Qb7 g4 26.hg4 Rg4 27.Be7 Ne4 28.Nd4 Qg6 29.Rc2 Rg2 30.Kf1 Qg4 31.f3 Rg1 32.Ke2 Qg2 33.Kd3 Rd1 34.Ke4 Rd4 35.ed4 Qc2 0–1. Kindl – Huenerkopf.

8.0–0 d5 9.cd5 Qd5 10.Nc3 Qd6 11.d4 Nbd7 12.Rc1 cd4 13.Qd4 Qd4 14.Nd4 Nc5 15.Rfd1 Rac8 16.Bf3 Nfe4 (16...Bf3!? 17.Nf3 Rfd8+=) 17.Ne4+/– Ne4 18.Ba3 Bf6 19.Nc6 Bc6 20.bc6 Nd6 (20...Ng5 21.Rd7+–) 21.Bd6 ed6 22.c7 Bb2 23.Rc2 (better is 23.Rc4!? Be5 24.Rdc1+–) 23...Ba3+/– 24.Bb7 Bc5 25.Bc8 Rc8 26.Kf1 Rc7 27.Ke2 f5 28.h3 h5 29.g4 hg4 30.hg4 Kf7 31.Rh1 Kf6 32.Kf3 Re7 33.gf5 Kf5 34.Rc4 g5 35.Rg4 d5 36.Rh8 Rg7 37.Rd8 Ke5 38.Ke2 Kf5 39.f3 Ke6 40.f4 Rh7? (better is 40...Be7!? 41.Ra8 Kf5+/–) 41.Rg5+– Rh2 42.Kd3 Ra2 43.Re5 Kf6 44.Rdd5 Ra3 45.Ke2 a5 46.Rf5 Kg6 47.Rg5 Kf6 48.Rdf5 Ke6 49.Re5 Kf6 50.Rgf5 Kg6 51.e4 a4 52.Re6 (52.Rc5?! bc5 53.Rc5 Rh3+/–) 52...Kg7 53.Rd5 Rh3 54.Rd7 Kf8 55.e5 a3? (55...Re3 56.Kd2 Re4+–) 56.Rc6 Ke8 57.Rcc7 1–0. Grundherr,Martin (2315) – Hugentobler,Patrick (2235), AUT–chT2W, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 c5 7.b5 Bb7)

8.0–0 d5 9.cd5 Bd5 10.Nc3 a6 11.d4=.

8.0–0 d5 9.cd5 Bd5 10.Nc3 Bb7 11.Qa4 (11.d4 Nbd7+=) 11...a6= 12.Qh4 ab5 13.Nb5 Nbd7 14.Rfd1 Qc8 (14...e6 15.a4=) 15.a4 Re8 16.d3 Nd5 (16...Bd5 17.Rdc1+=) 17.Bg7+/– Kg7 18.e4 Nc7 (18...N5f6 19.e5 Nd5 20.d4+=) 19.Ng5 (19.d4 cd4 20.Rac1 Nc5 21.Nfd4 Rd8+= (worse is 21...Be4 22.Nc7 Qc7 23.Qe4+/–)) 19...h6+= 20.Qf4 hg5 21.Qc7 Bc6 22.Qg3+/– Ra5 23.Qg5 Nf6 24.Rdb1 Qb7 25.Nc3 Rc8 26.e5 Nh7 27.Qg3 Nf8 28.h4 Ne6 29.h5 Rh8+= 30.Bg4 Nd4 31.e6 f5?? 32.Bd1?? Rh6+= 33.Ne2 Ne6 34.Qe5 Kf7 35.hg6 Rg6= 36.Qf5 Rf6 37.Qh7 Ng7? 38.Ng3+– c4 39.Bh5 Rh5 40.Nh5 Rg6 41.Ng7 Rg2 42.Kf1 Rg7 43.Qf5 Ke8 44.a5 cd3 45.Rb6 Qc7+/– 46.Qh5 Kf8 47.Ke1?? Qf4–+ 48.Qh8 Kf7 49.Qg7 Kg7 50.Rc6 Qe5 51.Kd2 Qa1 52.Kd3 Qa4 53.Rc3 Qa5 54.f3 Kh6 55.Kc2 Qa2 56.Kd3 Qb2 57.Rc4 e5 58.Re4 Qf2 59.Re3 Kg5 0–1. Wegerer,Fred (2195) – Jahnel,Guenther (2255), AUT–chT2S, 1999.

8.0–0 d5 9.cd5 Bd5 10.Nc3 Nbd7 11.Nd5+= Nd5 12.d4 cd4 (12...Rc8 13.Rc1+=) 13.Nd4+/– Re8?? (better is 13...e6+/–) 14.Nc6+– Qc7 15.Bg7 (15.Qd5?! Bb2 16.Rad1 Nc5+/–) 15...Kg7 (15...Ne3 16.fe3 Kg7 17.Qd5+–) 16.Qd5 e6 17.Qd4 e5 18.Qb2 Nc5 (18...a6 19.Rac1+–) 19.f4 f6 (19...Na4 20.Qb4 Nc5 21.fe5+–) 20.fe5 fe5 21.Bc4 Ne6 (21...Na4 22.Qc2 Nc5 23.Rf7 Qf7 24.Bf7 Kf7+–) 22.Ne5 (22.Ne5 h5 23.Be6 Re6 24.Nf7 Kh7 25.Ng5 Kg8 26.Ne6+–) 1–0. Janek – Mrx, internet, 2018.

8.0–0 d6 9.Qc2 Nbd7 10.d3 Qc7 11.Nbd2 e6 12.Nb3 Rfc8 13.Bc3 d5 14.Nbd2 a6 15.a4 a5 16.Rac1 Qd6 17.Qb2 Ne8 (17...Rd8 18.cd5 ed5 19.Ne5=) 18.Bg7+= Ng7 19.Rfd1 Re8 20.d4 Rac8 ½–½. Palmi,Herbert – Riediger,Martin (2265), North Bayern–ch, 2003. (=1.Nf3 g6 2.c4 Nf6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 c5 7.b5 Bb7)

8.0–0 d6 9.d3 Nbd7 10.Qc2 Qc7 11.a4 a5 12.ba6 Ra6 13.Nc3 Rc8 14.Rfc1 Qd8 15.Qb3 Nb8 16.Nd2 Nc6 17.Bf3 Na5 18.Qb5 Ra7 19.Bb7 Rb7 20.Nb3 Rcb8 21.Nd2 Nd7 22.Nd5 Ne5 23.Ra3 e6 24.Nf4 Nec6 25.Bg7 Kg7 ½–½. Hug,Werner (2445) – Andersson,Ulf (2565), Biel, 1977. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0–0 5.c4 b6 6.Be2 c5 7.b5 Bb7)

8.0–0 e6 9.a4 d5 10.Qc2 Nbd7 11.Na3 Qe7 12.d4 Rac8 13.Rfc1 Rfd8 14.a5 dc4 (14...ba5 15.Qd2=) 15.Nc4 Be4 16.Qa4 cd4 17.Bd4 Nd5 18.Bg7 Kg7 19.Nfd2 N5f6 (19...Nc5 20.Qa3 Qg5 21.Ne4 Ne4 22.Bf3+=) 20.Ra3 (20.Ne4!? Ne4 21.Bf3+=) 20...Nc5 21.Qb4 Qb7 22.Ne4 Qe4 23.Qb1 Qh4 24.g3 Qh3 25.Bf1 Qh5 26.Qb2 Nce4+= 27.Be2 Qh3 28.Bf1 Qh5 29.Be2 Qf5 30.f4 Qc5 31.Raa1 Kg8 32.Qa3 Qb5 33.ab6 ab6 34.Rcb1 Qf5 35.Rb6 Qh3 36.Rd1?? Ng4 37.Bg4 Qg4 38.Rd8 Rd8 39.Rb1 Rd1 (39...Rd1 40.Rd1 Qd1 41.Kg2 Qe2 42.Kh3 Nf2 43.Kg2 Ng4 44.Kh3 Qh2 45.Kg4 Qh5#) 0–1. Nowak,I – Maciejewski, Poznan, 1976.

8.0–0 e6 9.d4 d5 10.dc5 bc5 11.cd5 ed5 12.Qc2 Nbd7 13.Rd1 Qe7 14.Nc3 Rfc8 15.a4 Re8 16.a5 Rac8 17.Qb3 Bh6 18.Bc1 (18.Qa4 Bg7=) 18...Bf8 (better is 18...d4!? 19.ed4 Bf3 20.gf3 cd4 21.Rd4 Qe5–/+) 19.Ra2 Bg7 20.Ba3 Qe6 21.Rad2 h6 22.Bb2 Bf8 23.Bf1 Bd6 24.Ba1 Bb8 25.Nd5 Bd5 26.Rd5 Nd5 27.Rd5 c4 28.Qc3+/– f6 29.Bc4 Kh7 30.Qd4 Ne5? 31.Bf1?? Re7 32.Qd1 Nf3 33.Qf3 Rc1 34.Bd4 Be5 35.g4 Bd4 36.Rd4 Kg7 37.Kg2+= Qa2 38.a6 Qb1 39.Bd3 Rg1 40.Kh3 Qc1 41.Rd6 Qc3+= 42.Qd5 h5=+ 43.gh5 Qc8–/+ 44.Bf5 Qf5 45.Qf5 gf5 0–1. Schinzel,Wladyslaw – Maciejewski,Andrzej, Poland–ch, 1973.

8.0–0 e6 9.d4 Ne4 10.Qb3 d5 11.Nbd2 Nd2 12.Nd2 cd4 13.ed4 Nd7 14.Nf3 dc4 15.Qc4 Nf6 16.Rfd1 (16.Ba3 Re8=) 16...Bd5 17.Qa4 Nd7 18.Qa3 Qc7 19.Ne1 Qb7 20.Bf3 Nf6 21.Bd5 Qd5 22.Qb4 Rfc8 23.a4 Rc4 24.Qa3 Rac8 25.Qe3 Ng4 26.Qd3 Bh6 27.h3 Nf6 28.Ra3 Ne4 29.Kf1 f5 30.f3 Nd6 31.Qb3 Bg7 (31...f4 32.Kg1–/+) 32.Qd3 (32.Nd3 Nb7+=) 32...Kf7 (32...f4 33.Qd2 R4c7 34.Qf4–+) 33.Raa1 Rb4 (33...f4–/+) 34.Qa3? (34.Qe2!?+=) 34...Rb3 (34...Rcc4!? 35.Nd3 Ra4 36.Qa4 Ra4 37.Ra4 Nb5 38.Raa1–+) 35.Qa2–/+ Nc4 36.Rdb1?? (better is 36.Bc1–/+) 36...Nd2–+ (worse is 36...Nb2 37.Rb2 Rb2 38.Qb2 Bd4 39.Qa2 Ba1 40.Qa1–+; 36...Rb2?! 37.Rb2 Nb2 38.Qb2 Bd4 39.Qa2 Ba1 40.Qa1–+) 37.Kg1 Nb1 38.Rb1 Rb2! 39.Rb2 Bd4 40.Kf1 Bb2 41.Qb2 Qc4 42.Kf2 Qa4 43.Kg3 Qd1 44.Qb4 Rc1 45.Kf2 Qe1! 46.Qe1 Re1 47.Ke1 e5 48.Kd2 Ke6 49.Kc3 Kd5 50.g4 Kc5 (50...Kc5 51.Kd3 fg4 52.hg4 h5–+) 0–1. Jacobi,Karl Heinz (2150) – Troeger,Rainer (2185), GER–chT Seniors, 2008.

8.Nc3 a6 9.0–0=.

8.Nc3 d5 9.d4 Nbd7 10.0–0 Rc8 11.cd5 Nd5 12.Nd5 Bd5 13.Qa4 Qc7 14.Rac1 Qb7 15.Rfd1 Rc7 (15...Rfd8 16.Qa3=) 16.Qa3 Rfc8 17.dc5 Bb2 18.Qb2 Nc5 19.Qd4 (19.a3 Na4 20.Qd2 e6 21.Rc7 Qc7=) 19...Ba2= 20.Ng5 (20.Ne5 Bb3 21.Bc4 Bc4 (21...Bd1 22.Nf7 e6 23.Nh6 Kf8 24.Qh8 Ke7 25.Qg7 Kd6 26.Rd1 Qd5 27.Rd5 ed5 28.Qd4+–) 22.Qc4 e6+=) 20...Ne6 (20...h6!? 21.Nf3 Bb3+=) 21.Ne6= Be6 22.Rc7 Qc7 23.h3 Qc5 24.Qa4 Qc2 25.Qc2 Rc2 26.Bf3 Kg7 27.g4 Rc5 28.Bc6 (28.Be2!?+=) 28...a5–/+ 29.e4 g5 30.f3 Kf6 31.Kf2 Bc4 32.Rb1 a4 33.Ra1 Bb3 34.Ke3 Ke5 35.Kd3 Kf4 36.Bd5 (36.e5 Ke5 37.Re1 Kd6–+) 36...Rb5 (worse is 36...Bd5 37.ed5 Kf3 38.Ra4 Rb5 39.Kd4–+) 37.Bb3 (37.Bc4 Bc4 38.Kc4 Rb3–+) 37…Rb3 (37...Rb3 38.Kc2 b5–+; 37...ab3?! 38.Kc4 Ra5 39.Rb1–+) 0–1. Grosse_Gehling,Thomas (1810) – Schwab,T1 (2050), Bonn–Bad Godesberg, 2013. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0–0 5.e3 b6 6.Be2 c5 7.b5 Bb7)

8.Nc3 e6 9.0–0 d5 10.d4+= Ne4 11.Qc2 cd4 12.Ne4 d3 13.Bd3 Bb2 14.Rab1? Bg7?? 15.cd5+= ed5 16.Ng3 Nd7 17.Qe2 Nc5 18.Nd4 Re8 19.Nc6 Qd6 20.Rfc1 Re6 21.Qf1 Bc6=+ 22.bc6 Qc6 23.Be2 Qa4–+ 24.Qd1 Qa2 25.Rc2=+ Qa4 26.Bb5 Qh4–/+ 27.Qd5 Rd8 28.Qa2 Qe7 29.Rbc1 Red6 30.Be2 Qd7 31.h3 Be5 32.Bg4 Qa4 33.Qa4 Na4 34.Ra2 b5–+ 35.f4 Bb2 36.Rc7 a5 37.Ne4 Ra6 38.Be2= Re6 39.Ng5 Re3 40.Bb5 Ra3? 41.Ra3+– Ba3 42.Ba4 Rd4 43.Bb3 Rf4 44.Bf7 Kh8 45.Rc8 Kg7 46.Ne6 Kf7 47.Nf4 Bd6 48.Nd3 a4 49.Ra8 a3 50.Ne1 h5 51.Nc2 g5 52.Na3 g4 53.hg4 hg4 54.Nc4 Bc5 55.Kf1 Ke6 56.Ke2 g3 57.Rg8 Bf2 58.Ne3 Kf6 59.Ng4 (59...Kf7 60.Rg5+–) 1–0. Beaulieu,M (1620) – Rahard,Frederic (1780), FRA–ch op–A Paris, 1994.

7.b5 d5

8.0–0=.

8.cd5 Bb7 9.0–0 Nbd7 10.Qc2 Nd5 11.Bg7 Kg7 12.Qb2 f6 13.d4 Re8 14.Nc3 Nc3 15.Qc3 e5 16.Rfe1 cd4 17.ed4 e4 18.Nd2 f5 19.Nc4 Qf6 20.Rac1 Re7 21.Qb4 h5 (better is 21...Nf8!?=) 22.Nd6+/– Nf8 23.Nb7 Rb7 24.Rc6 Qe7 25.Qc3 Kh7 26.f3 e3 27.f4 Re8 28.Bf3 Rd7 29.d5 Rd6 (better is 29...h4+–) 30.Qe5! (30.Qe5 Qh4 31.g3 Re5 32.gh4 Red5 33.Bd5 Rd5 34.Rc7 Kg8 35.Re3 Rd1 36.Kf2 Rd2 37.Re2+–) 1–0. Shchekachev,A (2550) – Van Dongen,P (2300), 90th ch–Paris IdF, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 c5 7.b5 d5)

8.cd5 Nd5 9.Bg7 Kg7 10.0–0 Bb7 11.Na3 Nd7 12.Nc4 Qc7 13.Qb3 e5 14.Qb2 f6 15.d3 a5 16.Rfd1 Rfe8 17.Rac1 Rad8 18.Nfd2 Nf8 19.Ne4 Ne6 ½–½. Tsvetkov,Alexandar K – Popov,Luben, BUL–ch, 1957.

7.bc5 bc5

8.0–0 Nc6 9.Nc3 Rb8 10.Rb1 Qa5 11.Ba1 Rb1 12.Qb1 d6 13.Qb5 Qc7 14.Nd5 Nd5 15.cd5 Nb4 16.Bg7 Kg7 17.Qc4 Kg8 18.Qb3 Qa5 (18...e6!?=) 19.a3+= Na6 20.h3 Bf5 21.Qc4 Nc7 22.Qh4 f6 23.e4 g5 24.Ng5 fg5 25.Qg5 Bg6 26.h4 Kh8 27.h5+/– Bf7 28.Qe7 Kg8 29.Qg5 Kh8 30.Qh6 Kg8 31.Bg4 Be8 32.Qg5 Kh8 33.h6 Rf7 34.Be6 Ne6 35.de6 Rb7 36.e7 (36.e7 Qc3 37.Qf5 Qg7 38.Qf8 Qg8 39.Qf6 Qg7 40.Qg7) 1–0. Krnic,Zdenko (2400) – Riemersma,Liafbern (2420), Hoogovens–B Wijk aan Zee, 1988.

8.0–0 Nc6 9.Nc3 d6 10.Rb1 Bf5 11.d3 Rb8 12.Ba1 Qa5 13.Qd2 Rfd8 14.Rfc1 Kf8 15.h3 h6 16.Rb5+= Rb5 17.cb5 Ne5 18.d4 Nf3= 19.Bf3 cd4 20.ed4 d5 21.Qe3 Be6 22.Be2 Ne8 23.Bd3+= g5 24.Rb1 Rc8 25.Bf1 Nd6 26.g4 Nc4 27.Qd3 Nb6 28.Qe3 Nc4 29.Qd3 Nb6 30.Qe3 Bf6 31.Rb3 Nc4 32.Qd3 Nd6 33.Qe3 Nc4 34.Qd3= Nd6 35.Qe3 h5 36.Rb1? hg4–+ 37.hg4 Nc4 38.Qd3–/+ Qc7 39.Bg2=+ Nb6 40.a4 Qf4 41.a5 Bd4 42.Nd1 Ba1 43.ab6 Bd4 44.b7 Rb8–+ 45.Ne3 Be3 46.fe3 Qe5 47.e4 d4 48.b6–/+ Rb7 49.Rb5= Qb8 50.e5 Rb6 51.Qh7+= f6 52.Qh8 Bg8?? 53.Bd5+– e6 54.Qh6 Ke8 55.Bc6 (55.Bc6 Rc6 56.Rb8 Rc8 57.Rc8 Kd7 58.Qf8 fe5 59.Qd8#) 1–0. Krnic,Zdenko (2365) – Berkvens,J (2465), Lost Boys Open, Amsterdam NED, 2002.

8.0–0 Nc6 9.Ne5 Bb7 10.Bf3 Qc7 11.Nc6 Bc6 12.Bc3 Rab8 13.d3 Rfd8 14.e4 Ne8 15.Qd2 Rb7 16.Ba5 Qe5 17.Bc3 Qd6 18.Na3 Rdb8 19.Rab1 Nc7 20.Rb7 Rb7 21.Rb1 Rb1 22.Nb1 Ne6 23.Bg7 Kg7 24.Qc3 f6 25.Nd2 Nf4 26.e5 fe5 27.g3 Nd3 28.Bc6 dc6 29.Nf3 Kg8 30.Kg2 e4 31.Ng5 Qe5 32.Qe5 Ne5 33.Ne4 Nc4 34.Nc5 Kf7 35.f4 e5 36.Kf3 Ke7 37.fe5 Ne5 38.Ke4 Ng4 39.h4 Nf6 40.Kd4 Nd7 41.Ne4 h5 42.a4 Ke6 43.a5 Kf5 44.Nf2 Kf6 45.Nh3 Ke6 46.Nf4 Kf5 47.Kc4 Ne5 48.Kd4 Nd7 49.Kc4 Nf8 50.Kc5 Kg4 51.Ne2 Kf3 52.Nd4 Kg3 53.Kc6 Kh4 54.Kb7 Kg3 55.Ka7 h4 56.Ne2 Kg4 57.Ng1 Nd7 58.Kb7 h3 59.Nh3 Kh3 60.Kc6 ½–½. Gasimov – San Segundo, Leon 1996.

8.Nc3 Nc6 9.0–0 d6 10.Rb1 Rb8 11.Ba1 Rb1 12.Qb1 Bf5 13.d3 Qd7 14.Qc2 Rb8 15.h3 Qc8 16.a3 Qa6 17.Nb5 Rb6 18.Nd2 Bd7 19.Rb1 Qb7 20.Nb3 Qb8 21.Nc3 Kf8 22.Bd1 Kg8 23.Rc1 Rb7 24.Nd5 Ne8 25.Bg7 Ng7 26.d4 cd4 27.ed4 Bf5 28.Qc3 Be4 29.Nd2 Bf5 30.Ba4 Bd7 31.c5 dc5 32.dc5 Ne6 33.Nf3 Nf4 34.Qd2 Nd5 35.Qd5 Rb1 36.Rb1 Qb1 37.Kh2 Qb8 38.g3 Qc7 39.Nd4 e6 40.Nb5 ed5 41.Nc7 d4 42.Nd5 Kf8 43.Kg2 d3? 44.Nf6+– Ke7 45.Nd7 Kd7 46.Kf3 Kc7 47.Ke3 Ne5 48.Bb3 Kc6? 49.f4+– Nd7 50.Ba4 Kc7 51.Bd7 Kd7 52.Kd3 1–0. Veingold,Aleksander – Holmsten,Aleksei, Helsinki We Hm–93 FIN, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 c5 7.bc5 bc5)

8.Nc3 Nc6 9.0–0 d6 10.d4 cd4 11.ed4 Rb8 12.Bc1 Bg4 13.Be3 d5 14.h3 Bf5 15.Ne5 Na5 16.Nd5 (16.c5!?+=) 16...Nd5= 17.cd5 Be4 18.Qa4 Rb2 19.Bf3 Bf3 20.Nf3 Qd5 21.Rfc1 Rb5 22.Rc7 e6 23.Rac1 Nb7 (23...Rb2 24.R7c2 Rc2 25.Rc2+/–) 24.R7c5 (24.Qa7 Nd8+/–) 24...Nc5 25.Qb5 Ne4 26.Qd5 ed5 27.Rc7 Ra8 28.Ne5 Nd6 29.Rd7 Bf8 30.Bf4 (30.a4 a6+/–) 30...Nb5 31.Nf7 Nd4 32.Nh6 Bh6 33.Bh6 Nf5 34.Bg5 d4 (34...h6!? 35.Bf4 Re8 36.Rd5 Re1 37.Kh2 Re2+/–) 35.g4+– Ng7 36.Bf6 Ne6 37.Re7 Nf4 38.Bd4 Nh3 39.Kg2 Ng5 40.Rg7 Kf8 41.Ra7 Rc8 (41...Ra7 42.Ba7 h5 43.gh5 gh5 44.Be3+–) 42.Be3 Rc4 43.f3 (43.Bg5?! Rg4 44.Kf3 Rg5+=) 43...Nf7 44.a4 Ne5 45.a5 Nc6 46.Ra8 Ke7 47.a6 Kd6 (47...Rc3 48.Bb6 Kd6 49.a7+–) 48.a7 Ra4 49.Rh8 (49.Rc8 Na7 50.Ra8 Ra3 51.Ba7 Kc6+–) 49...Na7 50.Ra8 (50.Rh7 Nc6 51.Rg7 Ne7+–) 50...Ra3 51.Ba7 Kc6 52.g5 Ra6 53.Kg3 1–0. Beim,Valery – Schaefer,Markus, It open, 1993. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 b6 6.Be2 c5 7.bc5 bc5)

8.d4 Nc6=.

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