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TESTJ720 Release 2021-04-18
Send your 1.b4 games to me, please. Thank you! /Marek
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(c) Marek Trokenheim

1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 d6

Table of contents:

(...)

5.Bb2 d5 6.e3 0–0 7.Nbd2 c6 8.Be2 Nbd7 9.0–0 dc4 10.Nc4 Nb6 11.a4 Be6 12.Nfe5 Nfd7 13.Nd7 Qd7 14.Nb6 ab6 15.Qc2 Rfc8 16.Rfd1 Qc7 17.Bf3 Ra7 18.Rdc1 Bd7 19.b5 Qd8 20.Qb3 c5 21.dc5 Bb2 22.Qb2 bc5 23.a5 (better is 23.Rd1!? Qe8 24.Qd2+/–) 23...Ra5+= 24.Ra5 (24.Bb7? Rb5 25.Qa3 Rb7 26.Rc5 Rbc7 27.Rc7 Qc7–+) 24...Qa5 25.Qe5 b6 26.Qe7 Bb5 27.Bd5 Rf8 28.Rd1 Qc3 29.h4 (29.e4 Be2 30.Rb1 b5–/+) 29...Be2–/+ 30.Rb1 b5 31.Kh2 (31.h5 Bd3 32.Rb3 Qe1 33.Kh2 Bc4+=) 31...Bc4 32.Bc6 Bd3 33.Rh1 b4 34.Be4 Be4 35.Qe4 Rb8 36.h5 b3 37.hg6 hg6 38.Qf4? Re8 39.Qa4 Qe5 40.g3 Rb8 41.Kg2 b2 42.Qc2? Qd5 43.e4 Qd4 44.f3 c4 45.Rb1 c3 46.Kf1 Rd8 (46...Rd8 47.Kg2 Qe3 48.Rb2 cb2 49.Qb2 Rd2 50.Qd2 Qd2 51.Kh3 Qe1–+) 0–1. Tkachev,Taras – Gnidenko,Andrey (2140), St Petersburg op U18, 2008. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.c4 d6)

5.b5 Nbd7 6.e3 b6 7.Be2 Bb7 8.0–0 0–0 9.a4 e5 10.h3 Nc5 11.Nc3 Nb3 12.Qb3 e4 13.Nh2 d5 14.cd5 Nd5 15.Ne4 Bb2 16.Qb2 f5 17.Ng3 Nf6 18.Bf3 Ne4 19.Ne4 fe4 20.Be2 Qg5 21.Bc4 Rf7 22.Qb3 Raf8 23.Bf7 Rf7 24.Rac1 Bc8 25.Rc7 Qf5 26.Qc4 Kg7 27.Rc8 h5 28.Qd4 Kh6 29.Rh8 Kg5 30.f4 Kh4 31.Kf2 g5 32.Qd8 Qf4 0–1. Abdullaevich (1620) – Mqohzulu, lichess.org, 2018.

5.d3 a5 6.a3 c6 7.e3= ab4 8.ab4 Ra1 9.Ba1 Qb6 10.Bc3 Na6 11.Qa4 0–0 12.Be2 e5 13.0–0 (13.Qa5 Qa5 14.ba5 Bf5=) 13...e4 (13...Be6 14.Qa5 Qa5 15.ba5=) 14.Nfd2 (14.de4 Ne4 15.Bg7 Kg7+=) 14...ed3= 15.Bd3 Ng4 (15...Be6 16.Rd1=) 16.Bg7+= Kg7 17.Qa1 f6 18.b5 Nc7 19.Qd4 c5 20.Qb2 d5 21.Nf3 Be6 22.Na3 dc4= 23.Bc4 Rd8 24.h3 Nh6 25.Ng5 Bc8 26.g4 Qd6 27.Ne4+/– Qe7 28.g5 Ng8 29.Bg8 Kg8 30.Qf6 Qf6 31.Nf6 Kf7 32.h4 h6 33.Rc1+– Ne6 34.f4 hg5 35.hg5 Rh8 36.Nc4 b6 37.Rd1 Nc7 38.Rd6 Nb5 39.Rb6 Nc3 40.Rc6 Bf5 41.Nd6 Ke7 42.Nf5 gf5 43.Rc5 Nd1 44.Rf5 Rh3 45.Re5 Kf7 46.Nd5 Kg6 47.Kg2 Rh8 48.Nf6 Rd8 49.Ng4 Kh5 50.Kf3 Rd3 51.Rd5! (51.Rd5 Rd5 52.Nf6 Kg6 53.Nd5+–) 1–0. Chan,Jason – Agulto,E (2210), Australian Open, Penrith AUS (3), 2003.

5.d3 c6 6.Qb3 a5 7.a3 Qb6 8.e3 0–0 9.Nc3 (9.Nbd2 Bd7=) 9...ab4 10.Na4 Qd8 11.ab4 b5 12.Nc3 Na6 (12...bc4 13.dc4 Na6 14.Be2+=) 13.Nd4 bc4 14.dc4 (better is 14.Qc4!? Bb7 15.Nc6+=) 14...Bd7–/+ 15.b5 cb5 16.cb5 Nc5 17.Qd1 e5 18.Nc6 Bc6 19.bc6 Qb6 20.Bb5 (20.Nb5 Ra1 21.Ba1 Qc6 22.Qd6 Qa8 23.Qe5 Ne6–+) 20...Nfe4 (20...Ra1 21.Ba1 Nfe4+=) 21.Ra8? (21.Rb1 Ra5 22.Qe2=) 21...Ra8–+ 22.Qe2?! (22.Qb1–+) 22...Qa5 23.0–0 Nc3 24.Bc3 Qc3 25.g4 (25.Rd1 Ne4 26.f3 Nf6 27.Rd6 Qc5–+) 25...Ne6 26.Rd1 (26.Qd3 Qb4 27.Bc4 Rc8–+) 26...Ra1 (better is 26...Nc7!? 27.Rb1–+) 27.Kg2 Rd1 28.Qd1 Qc5 29.Qa4 Bf8 30.Be2 d5 31.h4 Kg7 32.g5 (32.Qb5 Qb5 33.Bb5 Kf6–+) 32...Bd6 33.Bg4 (33.Kf1 Nd8–+) 33...Nc7 (33...Nd8 34.Bd7 d4 35.ed4 ed4 36.Kf3 Qc3 37.Ke4–+) 34.Bf3 (34.Be2 d4 35.Qc4 de3 36.Qc5 Bc5 37.fe3 Be3–+) 34...Qb4 (34...Qb4 35.Bd1 Kf8–+) 0–1. Dasaolu,R (2050) – Hommerson,P (2225), Gibraltar Masters, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d3 c6)

5.d3 Nbd7 6.g3= a5 7.a3 ab4 8.ab4 Ra1 9.Ba1 0–0 10.Bg2 c6 11.0–0 Re8 (11...Qc7 12.Nbd2=) 12.Nbd2+= e5 13.e4 (13.Qb3 b5+=) 13...Nf8 (13...b5 14.Qb3=) 14.h3 (14.Qc2 Ne6=) 14...Ne6= 15.Bc3 Nd7 16.Nb3 c5 17.b5 b6 18.Qe2 Bb7 19.Ra1 Qc7 20.Ra7 Ra8 21.Qa2 Qb8 22.Ra8 Qa8 23.Qa8 ½–½. Moore,Gerald (2165) – Cohen,Ronnie (1925), London Classic Open, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d3 Nbd7)

5.d3 e5 6.Nbd2 0–0 7.g3 Nc6 8.a3 Bd7 9.Bg2 Qc8 10.0–0 Bh3 11.Qc2 Bg2 12.Kg2 Qd7 13.e3 Rfe8 14.Rac1 a6 15.Rfe1 Re7 16.Bc3 Nh5 17.Qb3 f5 18.b5 Nd8 19.a4 (19.c5 Nf7 20.cd6 cd6 (20...Qd6? 21.Bb4 Qd7 22.Be7 Qe7 23.ba6 ba6 24.e4+–) 21.ba6 Ra6=) 19...ab5 20.ab5 Nf7 21.Ra1 Ra1 22.Ra1 Bf6 23.Ra8 Kg7 24.Qb2 b6 25.Qa1 d5 26.Qa7 dc4 (26...Nd6!?=) 27.Qb8+= Kh6 28.dc4 Bg7 29.Qa7 (29.Ra7 Nf6+=) 29...Qd3 (29...e4 30.Bg7 Ng7 31.Nd4=) 30.Qa1 (30.Qa3 Rd7 31.Qc1 Bf6=) 30...Ng5 31.Ng5+/– Kg5 32.h4 Kh6= 33.Ra3 Qd7 34.Qb2 Qe6 35.Qc2 Nf6 36.Bb2 Rd7 37.Rd3 Rd3 38.Qd3 Nd7 39.Nb3 Bf6 40.Ba3 e4 41.Qd5 Qd5 42.cd5 Kg7 43.d6 cd6+= 44.Bd6 Kf7 45.f3 Ke6 46.Bc7 Kd5 47.fe4 fe4 48.Kf2 Bc3 49.g4 Kc4 50.Nc1 Kb5–+ 51.Ne2 Kc4 52.Nf4 b5 53.Ke2 b4 54.Kd1 b3 55.Kc1 Nc5 56.Kb1 Bd2 57.Ng2 Na4 58.Be5 Bc3 59.Bg3 Kd3 60.Bb8 Ke2 61.Ba7 Kf3 62.Nf4 Kg4 0–1. Siedl,Peter (1680) – Turboust,Roger (1835), Wch Seniors, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6)

5.d4 a6 6.e3 0–0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.d4 a6).

5.d4 c5 6.d5 (better is 6.dc5!? dc5 7.Qd8 Kd8 8.bc5+=) 6...cb4=+ 7.Qb3 (7.Qa4 Nbd7=+) 7...a5 8.a4 (8.e4 Nbd7 9.e5 de5 10.Ne5 0–0–/+) 8...ba3! 9.Na3 (9.Ra3 Na6 Combination; 9.Na3 Na6 Combination; 9.Ba3 Nd5 Combination; 9.Qa3 Na6 Combination) 9...0–0 10.g3 (10.e3 Nbd7–/+) 10...Nbd7 11.Bg2 b6 (11...Nc5 12.Qd1–/+) 12.0–0 Ba6 (12...Nc5 13.Qd1–/+) 13.Nb5 (13.Nd4 Nc5 14.Qf3 a4=+) 13...Nc5–/+ 14.Qc2 Bb5 15.cb5 Qd7 (15...Nd5 16.Bg7 Kg7 17.Nd2–/+) 16.Nd4=+ Ne8 17.Nc6 Nc7 18.Bg7 Kg7 19.Qc4 e6 20.de6 (20.Rfd1 e5=+) 20...fe6–/+ 21.Rfd1 d5 22.e4?? (22.Qc2 Qf7 23.f4 Qf5–/+) 22...Qf7 (better is 22...dc4 23.Rd7 Nd7–+) 23.Qd4 Kg8 24.ed5=+ Nb5 25.Qe3 Nc7?? 26.d6+– Nd5 27.Qd4?? Nb3? 28.Qb6?? Nb6–+ (28...Nb6 29.Ra2 Rae8–+) 0–1. gtate (1880) – pe (2160), net–chess.com, 2003.

5.d4 Nfd7 6.Qc2 (6.Nc3 0–0=) 6...a5 (6...0–0!?+=) 7.b5= 0–0 8.e3 c5 (8...e5 9.Be2=) 9.bc6 (9.Bd3!?+=) 9...bc6 10.Be2 Na6 (10...c5 11.Nbd2=) 11.Nc3 (11.a3 Rb8 12.Bc3 Nf6=) 11...Nb4 (11...Nb6 12.0–0=) 12.Qd2+= Nb6 13.a3 Na6 14.Rc1 (14.Rb1 Nc7 15.c5 Nbd5=) 14...e5 (14...Be6 15.Nd1=) 15.0–0 ed4 16.ed4 Bf5 17.Rfe1 Re8 18.h3 (18.Bd3 Bd3 19.Qd3 Re1 20.Re1 Nc7=) 18...Nc7= 19.Bf1 Re1 20.Ne1 (20.Re1 Be6 21.d5 cd5 22.Nd5 Ncd5 23.Bg7 Kg7 24.cd5 Nd5=) 20...h5 (20...Rb8 21.Nf3+=) 21.Nf3 Bf6 (21...Rb8 22.Ba1=) 22.Ba1 (22.Ne2 h4=) 22...Kg7 (22...Ne6 23.Re1=) 23.Qe3 (23.d5 cd5 24.cd5 Bd7+=) 23...d5= 24.c5 Nd7 25.Bd3 (25.Ne2 Be4=) 25...Bd3 26.Qd3 Qc8 27.Na4 (27.Ne2 Rb8=) 27...Qa6 28.Qa6 Ra6 29.Rb1 Nb5 30.Rb3 Nf8 31.Nb6 a4 32.Rd3 (better is 32.Rb5!? cb5 33.Nd5=) 32...Bd8–/+ 33.Nc8 f6 (33...Ra8 34.Nd6 Rb8 35.Re3+=) 34.Re3 Kf7 35.Nh4 (35.Nd6 Nd6 36.cd6 Ne6+=) 35...Ra8+= 36.Nd6 Nd6 37.cd6 Rb8 38.Bc3 Rb3 39.Bb4 Re3 40.fe3 Ke6 41.Kf2 g5 42.Nf3 Bb6 43.Ne1 Nd7 44.Nd3 Kf5 Black prepares the advance g4 (44...h4 45.Kf3=) 45.Kf3 (45.Nb2 c5 46.dc5 Bc5 (46...Nc5? 47.Bc5 Bc5 48.d7+/–) 47.Na4 Ba7+/–) 45...g4 (45...Ke6 46.h4=) 46.hg4 (46.Ke2!?+/–) 46...hg4+= 47.Ke2 Ke4 (47...Ke6!?=) 48.Bc5 Ba5 49.Ba7 (49.Nb2 Kf5+=) 49...Kf5 50.Kd1 (50.Nb2 Ke6=) 50...Ke6= 51.Bc5 Kf5 (51...Nb6 52.Bb6 Bb6 53.Nb2=) 52.Nb2+= Nb6?? (better is 52...Ke6+=) 53.Bb6+– Bb6 54.Na4 Ba5 55.Nc5 Bb6 56.d7 1–0. Simonyi,Zoltan (2150) – Kumic,Filip (2040), Open Senta, 2011. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 d6 5.Bb2 Nfd7)

5.e3 b6 6.Nc3 Bb7 7.d4 a5 8.b5 c6 9.a4 c5 10.d5 0–0 11.Rb1 e6 12.e4 ed5 13.ed5 Re8 14.Be2 Qe7 15.0–0 Ne4 16.Ne4 Qe4 17.Re1 Nd7 18.Bg7 Kg7 19.Bd3 Qg4 20.Qc2 Ne5 21.Qc3 Qf4 22.Ne5 de5 23.Re4 Qf6 24.Rbe1 Qd6 25.Re5 Kg8 26.Re8 1–0. Evgenii_777 (1745) – IWillMerkYouAgain (1825), lichess.org, 2020.

5.e4 0–0 6.d3 e5 7.Nc3 Nc6 8.a3 Bg4 9.Be2 Bf3 10.Bf3 Nd4 11.Bc1 c6 12.0–0 a5 13.b5 Nd7 14.Bg4 f5 15.Bh3 Qh4 16.Be3 Ne6 17.Qc1 Ndc5=+ 18.Qd1 Nf4 19.Bc5 dc5 20.Qf3 Rad8 21.Rfd1 Rd4 22.ef5 gf5 23.bc6 Nh3 24.gh3 e4 25.Qg2? bc6 26.de4–/+ Kh8 27.Ne2 Rg8 28.Ng3 fe4 29.Rab1 Be5 30.Re1 Rc4 31.Kf1 Qd8 32.Kg1 Qh4 33.Kh1 Qf6 34.Re4 Re4 35.Qe4 Qg6 –/+. Sarovski,N (2070) – Cukic,G, Spring Open, Belgrade SCG, 2005.

5.e4 Bg4 6.Be2 0–0 7.d3 Nbd7 8.0–0 e5 9.Ng5 Be2 10.Qe2 h6 11.Nh3 (11.Nf3 Nh5+=) 11...Nh5 (11...g5 12.f3=) 12.f4 ef4 13.Bg7 Kg7 14.Nf4 Nf4 15.Rf4 Qg5 16.Qf1 (16.Qe3!?=) 16...Ne5=+ 17.Rf2 (better is 17.d4!? Nd3 18.Rf3 Nb4 19.Nc3=+) 17...Ng4 18.Rf4 Qh5 19.h3 Ne3 (19...Qe5 20.Rg4 Qa1 21.a3–+) 20.Qf2 Qd1 21.Kh2 Nc2 22.Na3? (22.Nc3 Qa1 23.Qc2 f5–/+) 22...Qa1 (22...Na1!? 23.Qf1 Qf1 24.Rf1–+) 23.Qc2 Qe5 24.Qc1?? (better is 24.g3–+) 24...g5 25.d4 Qd4 26.Nb5 Qe5 27.g3 gf4 28.gf4 Qe4 29.Qg1 Kh7 30.Nd4 Qf4 31.Kh1 Rg8 32.Qb1 Kh8 33.Nf5 Qf3 (33...Qf3 34.Kh2 Qg2) 0–1. vidyashankarh (1930) – nbarletta (1915), net–chess.com, 2002.

5.Nf3 Bg4 6.Be2 0–0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.Be2 Bg4).

5.g3 0–0 6.Bg2 Nbd7 7.0–0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.g3 0–0 5.Bg2 d6 6.0–0 Nbd7 7.c4).

5.g3 Nc6 6.b5 Nb8 (6...Na5 7.Qa4 c5 8.Bc3=) 7.Bg2 c6 (7...Nbd7 8.Nc3=) 8.Nc3+= cb5 9.cb5 0–0 10.0–0 a6 (10...Nbd7 11.Rc1+=) 11.a4 ab5 (11...Nbd7 12.d4+=) 12.ab5 Ra1 13.Qa1 Qb6 (better 13...Nbd7!?+=) 14.Nd5!+– Nd5 15.Bg7 Nf6?? (better 15...Re8 16.Bh6 Nf6+–) 16.Bf8+– Kf8 17.Ng5 Kg8 (17...Bf5 18.Nh7 Kg7 19.Nf6 ef6 20.Qa8+–) 18.Qa8 Qc7 (18...Nfd7 19.Rc1 Qd8+–) 19.b6! (19.b6 Qb6 20.Qb8+–) 1–0. guestkpqe – guestdzwf, internet free game, 2018.

5.a4 0–0

6.e3 Nbd7 7.d4 Qe8 8.Nbd2 e5 9.de5 de5 10.Be2 Nh5 11.0–0 f5 12.c5 h6 13.Bc4 Kh7 14.Qc2 Nhf6 15.Nh4 e4 16.g3 Ne5 17.Bb3 g5 18.Ng2 Nf3 19.Nf3 ef3 20.Ne1 g4 21.Rd1 h5 22.Nd3 h4 23.Nf4 Ne4 24.Bg7 Kg7 25.Qb2 Kh6 26.Rd5 Rf6 27.Re5 Qf8 28.Re4 fe4 29.Qe5 Bf5 30.Rd1 Re8 31.Qc7 Re7 32.Qd8 Qd8 33.Rd8 hg3 34.fg3 Kg5 35.Rg8 Bg6 36.h4 Kf5 37.Kf2 Bf7 38.Rg5 1–0. racvac001 (1620) – koziolekmat (1710), kurnik, 2012.

6.g3 e5 7.Bg2 Nc6 8.b5 Ne7 9.0–0 Rb8 10.d3 Bg4 11.Nbd2 Qd7 12.Re1 Bh3 13.Bh1 h6 14.Qc2 Nh5 15.d4+= Qg4 16.de5+– de5 17.Be5 Nf5 18.Bg7 Nfg3? 19.fg3 Ng3 20.hg3 Qg3 21.Bg2 Qg2# 0–1. decembernight – zase (1655), kurnik, 2012.

5.Qb3 0–0

6.Nc3 c6 7.d4 Nbd7 8.e3 a5 9.b5 c5 10.d5 a4 11.Qa3 Qa5 12.Bd3 Ng4 13.0–0 Qb4 14.Qb4 cb4 15.Nd1 e5 16.de6 fe6 17.Rb1 Nc5 18.Bg7 Kg7 19.Bc2 b3 20.ab3 a3 21.Nc3 Rd8 22.Rbd1 e5+= 23.b4 Ne6 24.h3 Nf6 25.b6 h6 26.c5 dc5 27.Rd8 Nd8 28.bc5 Ra5 29.Ra1 Be6 30.Na4 a2 31.Ne5 g5 32.f3 Nd5+= 33.Kf2 Nb4 34.Bd1 Kf6 35.f4 Nf7 36.c6 Ne5 37.fe5 Ke5 38.cb7 Nc6 39.Rc1 Nb8+= 40.h4 gh4= 41.g3?? Bd7 42.gh4? Ba4–+ 43.Bf3 Bb5 44.Ra1 Bc4 45.Be2 Be6 46.Bf1 Ra4 47.h5 Rb4 48.Bg2 Rb1 49.Ra2 Ba2 50.Ke2 Rb2 (51.Kf1 Bc4 52.Kg1 Rb6–+) 0–1. Comet B25 – Fritz 8, 2004.

6.Nc3 Nc6 7.d3 e5 8.b5 Nd4 9.Nd4 ed4 10.Na4 Nh5 11.e4 de3–/+ 12.fe3 Qh4 13.Kd2 Bb2 14.Qb2 Ng3! 15.Rg1 Qh2 16.Be2 Ne2 17.Ke2 a6 18.Kd2 ab5–+ 19.Qb5 Qh4 20.Rgf1 Qg4 21.Rf4? Qg2 22.Kc3 Qh3 23.Kd2 Bd7 24.Qb7 Ba4 25.Rh1 Qd7 (26.Rb1 Bc6–+; 25...Qg3!? 26.Rhf1 Rab8 27.Qa7 Rb2 28.Kc3 Rc2 29.Kb4–+) 0–1. Comet B25 – Crafty 19.01, 2004.

5.Qb3 e5

6.b5 0–0 7.d4 e4 8.Ng5 h6 9.Nh3 a6 10.a4 d5 11.e3 Bh3 12.gh3 ab5 13.Qb5 b6 14.Nc3 Ra5 15.Qb3 dc4 16.Bc4 Qd7 17.Rg1 Qh3 18.Rg6 Qh2 19.Ba3 Qh1 20.Bf1 Re8 21.Bb4 Rf5 22.Qc4 Qf3 23.Nd1 Ng4=+ 24.Be2 Qh1 25.Kd2 Nf2 26.Rc1? Nd3–+ 27.Bd3 ed3 28.Ba3 Kh7 29.Rg4 Qh3 30.Rg7 Kg7 31.Qd3 Ra5 32.Nc3 Nd7 33.Qe2 Nf6 34.Rg1 Rg5 35.Rg5 hg5 36.Bb4 Ng4 37.e4 f5 38.a5 fe4 39.a6 Nf2! 40.Nd5 Qb3 41.Qf2 Qd5 42.Ke1 Qb3 (43.Qd2 e3–+) 0–1. Comet B25 – Doctor? 3.0, 2004.

6.Nc3 0–0 7.e3 Bg4 8.c5 Bf3 9.gf3 dc5 10.bc5 Nbd7 11.Ba3 Rb8 12.Qa4 Re8 13.Bh3 Bf8 14.Ne4 b5 15.cb6 Nb6 16.Qb3 Ne4 17.fe4 Ba3 18.Qa3 Qd2! 19.Kd2 Nc4 20.Kc1 Na3 21.Rd1 Rb4 22.Rd3 Nb5 23.Rb1 Rb1 24.Kb1 c5 25.Kc2 Rb8 26.Rd5 Na3 27.Kc3 Nb1 28.Kc2 c4 29.Re5 c3 30.Ra5 Rb2–/+ 31.Kc1 Nd2 32.e5 Ne4 33.e6 Nf2 34.ef7 Kf7 35.Bf1 Rb7 36.Ra4 Kg7 37.Kc2 h5 38.Kc3 Ng4 39.h4 Ne3 40.Bd3 Nd1 41.Kc2 Rd7 42.Rf4 Ne3 43.Kd2 Nf5 44.Kc3 Kf6 45.Kd2? Rd5 46.Ra4 a5 47.Kd1?? Rd3–+ 48.Ke2 Rh3 49.Ra5 Nd4 (50.Kd2 Rh4–+) 0–1. Comet B25 – EXchess 3.11, 2004.

5.Qc2 Bf5

6.d3 0–0 7.Nbd2 Nc6 8.a3 a5 9.ba5 Ra5 10.g3 Qa8 11.Bg2 Nd8 12.0–0 b5 13.e4 Be6 14.cb5 Rb5 15.d4 Qb8 16.Rfb1 c5 17.dc5 Rc5 18.Qd3 Qc8 19.Rc1 Rc1 20.Rc1 Qb8 21.Rb1 Qa7 22.Bd4 Qa5 23.Rb5 Qa4 24.Rb4 Qa8 25.Ng5 Nd7 26.Bg7 Kg7 27.h3 Nc5 28.Qc3 f6 29.Ngf3 Nc6 30.Nd4 Nb4 31.ab4 Na4 32.Qc7 Bf7 33.Qe7 Re8 34.Qd6 Nc3 35.e5 Qa1 36.Kh2 Re5 37.N2f3 1–0. sagonek – utyman, kurnik, 2012.

6.d3 e5 7.Nbd2 0–0 8.g3 Nc6 9.a3 Qd7 10.Bg2 Rae8 11.0–0 Bh3 12.Rfe1 Bg2 13.Kg2 h5 14.e4 Nd8 15.d4 Ne6? (better is 15...ed4!? 16.Nd4 h4+=) 16.de5+– Ng4 17.ed6 Bb2 18.Qb2 cd6 19.Rad1 g5 20.e5 h4? 21.Ne4 f5 22.Rd6 Qc8?! 23.Nf6 Nf6 24.ef6 h3 25.Kg1 g4 26.Ne5 Qc7 27.c5 b6 28.f7 Rf7 29.Nf7 Kf7 30.Qe5 Qe7 31.Qd5 Kf6 32.Rde6 Qe6 33.Re6 Re6 34.Qd1 Kg5 35.cb6 Rb6 36.Kf1 Re6 37.Qc1 (37.Qc1 Kg6 38.Qc4+–) 1–0. sagonek – chessveja, kurnik, 2011.

5.Nc3 c5

6.bc5 dc5 7.Qa4 Qd7 8.Qa3 b6 9.Ne5 Qe6 10.Nb5 Na6 11.Qa6 Ba6 12.Nc7 Kf8 13.Ne6 fe6 14.a4 Ng4 15.Nd7 Kf7 16.Bg7 Kg7 17.h3 Nh6 18.e3 Rhd8 19.Ne5 Nf7 20.Nf7 Kf7 21.a5 Rab8 22.ab6 Rb6 23.d4 Rc8 24.f4 h6 25.g4 Kf6 26.Rh2 cd4 27.c5 Rc5 28.Ba6 de3 29.Rha2 e5 30.fe5 Ke5 31.Be2 a5 32.Ra5 Ra5 33.Ra5 Kf4 34.Ra4 Kg3 35.Bf1 Rb2 36.g5 hg5 37.Rg4 Kf3 38.Bd3 e2 39.Rg5 Ra2 40.Rb5 g5 41.Rb3 Kf4 42.Be2 e5 43.Rf3 Ke4 44.Kf2 Rd2 45.Rg3 Kf4 46.Rg4 Kf5 47.Ke3 Rb2 48.Ra4 Ke6 49.Bg4 Kd5 50.Ra5 Kd6 51.Ra6 Kd5 52.Bf3 Kc4 53.Rc6 Kb5 54.Re6 Kc4 55.Re5 Rh2 56.Bg4 Rg2 57.Rg5 Rg3 58.Kf4 Rd3 59.Be2 1–0. Fritz 8 – Fritz 5.32, 2003.

6.bc5 dc5 7.Qa4 Qd7 8.Qa3 b6 9.Ne5 Qf5 10.Nb5 Na6 11.Qf3 Qf3 12.Nf3 0–0 13.a3 Rd8 14.d3 Bb7 15.Rb1 Bf3 16.gf3 Nh5 17.Bc1 e5 18.Kd2 Nf4 19.e3 Ne6 20.Bg2 Rd7 21.f4 Rad8 22.fe5 Rd3 23.Ke2 R3d7 24.Bc6 Re7 25.Bb2 Nb8 26.Bd5 a6 27.Nd6 Nf4 28.ef4+– Rd6 29.Bc1 b5 30.Be3+– Rd8 31.Bc5 Ree8 32.Rhd1 bc4 33.Bc4 Rd1 34.Kd1 Bf8 35.Bf8 Kf8 36.Rb7 Kg7 37.Rf7 Kh6 38.Rc7 Rf8 39.Ke2 Rf4 40.e6 Kg5 41.e7 Re4 42.Kd3 Re1 43.Bf7 Nc6 44.e8Q Re8 45.Be8 (45...Be8 Ne5 46.Ke4+–) 1–0. Fritz 8 – Fritz 5.32, 2004.

6.bc5 dc5 7.d3 0–0 8.Rb1 Nc6 9.h3 b6 10.Qa4 Bb7 11.a3 Nd4 12.Nd4 cd4 13.Nb5 Nh5 14.c5 bc5 15.Bc1 Bc6 16.Qa6 Qc8 17.Qa5 a6 18.Nc7 Ra7 19.Nb5 Rd7 20.Na7 Ra7 21.Qc5 Rb7 22.Bb2 Ba4 23.Qc8 Rc8 0–1. Comet B50 – Fritz 5.32, 2003.

6.bc5 dc5 7.d3 Nc6 8.Rb1 e5 9.Qc1 0–0 10.h3 Qa5 11.Ba1 Nb4 12.a3 Na2 13.Qd2 Nc3 14.Qc3 Qc3 15.Bc3 Nd7 16.Ng5 b6 17.Ne4 Bb7 18.Nd6 Bc6 19.Rh2 f5 20.g4= Rf6 21.Nb5 Bh6 22.Bd2 Bd2 23.Kd2 Bb5 24.cb5 a5 25.Bg2 Rd8 26.gf5 Rf5 27.Be4 Rff8 28.Bf3 Nf6 29.Ke1 Rd4 30.Rd1 Rfd8 31.Rc1 e4 32.de4 Ne4 33.Be4 Re4 34.h4 Rd3 35.Ra1 Kf7 36.h5 g5 37.Ra2 h6 38.Ra1 Rb3 39.a4 Rbb4 40.Rh3 Ra4 41.Rd1 Ra2 42.Rf3 Ke6 43.e3 Rh4 44.Rd2 Ra1 45.Ke2 a4 46.Rf8 Rh5 47.Rb8 a3 48.Rb6=+ Ke5 49.Rbd6 Rh2 50.R6d5 Ke4?? 51.Rc5+– Rf2 52.Kf2 Rf1 53.Kf1 Ke3 54.Ke1 (54...Ke4 55.b6+–) 1–0. Comet B50 – Fritz 5.32, 2004.

5.Nc3 Nbd7

6.d4 b6 7.e4 0–0 8.Be2 (8.b5 Bb7 9.Bd3 a6+=) 8...Bb7 9.Qc2 e6 10.0–0 Rc8 11.Rad1 Qe7 12.Rfe1 c6 13.Bf1 Ba8 14.Qd2 Rfd8 15.b5 (15.a3 a6+=) 15...Qf8 (15...cb5 16.cb5 d5 17.e5+=) 16.a4 e5 17.bc6 Bc6 18.Ba3 ed4 19.Nd4 Nc5 20.Nc6 Rc6 21.Bc5 Rc5 22.e5 Ne8 23.f4 Kh8 24.Ne4+/– Rcc8 25.Nd6 Nd6= 26.ed6 Rd7 27.Re3 Rcd8 28.Rd3+/– Bf6 29.a5 Qg7 30.ab6 ab6 31.Qe3 Rb8 32.Rb3 Rdb7 33.c5 bc5 34.Rb7 Rb7 35.Qc5 Rb8 36.d7 Rd8 37.Qd6 h6 38.Bc4 Bc3 39.Qe7 Bf6 40.Qf7 1–0. Havlicek,Libor Sr (2125) – Trunner,Stefan, SVK–chT Slovakia, 1994.

6.g3 0–0 7.Bg2 c6 8.0–0 e5 9.Qc2 Re8 10.Ng5 Nf8 11.Nge4 Ne4 12.Ne4 Bf5 13.d3 Rc8 14.Rfd1 d5 15.Nc5 b6 16.Nb3 Qe7 17.c5 Ne6?? (17...Nd7 18.e4 Be6 19.d4=) 18.e3?? (better is 18.e4 Bg4 19.f3+–) 18...Nd8 19.Qe2 Nb7 20.Rac1 h5 21.h4 Qd7 22.Rd2 Be6 23.d4 e4 24.Rdc2 Bg4 25.f3 (25.Qa6 b5=) 25...ef3+= 26.Bf3 Bf3 27.Qf3 Bh6 28.Re1 Re4 29.Nd2 Rg4 30.Nf1 Re8 31.Bc1 Qc7 32.Rf2 Bg7 33.Bb2 bc5 34.bc5 Nc5?? 35.dc5+– Bb2 36.Rb2 Qe7 37.Rf2 f5+/– 38.Nh2 Re4 39.Rfe2 Qc5 40.Nf1 Qd6 41.Rb2 Rg4 42.Kf2 Qa3 43.Rc2 Qa4 44.Rec1+– Rge4 45.Rc6 Qa2?? 46.R1c2 Qb3 47.Rg6 Kf7 48.Rgc6 R8e5 49.Qh5 Ke7 50.Qh7 (50.Qh7 Kf8 51.Rf6 Ke8 52.Rc8) 1–0. Schumacher,Ursula – Werner,J, Wuerzburg op, 1995. (=1.c4 Nf6 2.Nc3 g6 3.b4 d6 4.Bb2 Bg7 5.Nf3)

5.Nc3 Ne4

6.Qc2 Nc3 7.Bc3 e5 8.g3 (8.d4 Nc6 9.d5 Ne7=) 8...Bf5 (8...Be6 9.Bg2=) 9.d3 0–0 10.Bg2 c6 11.0–0 Re8 12.e4 Bg4 13.Nd2 (13.h3 Be6=) 13...Na6 14.a3 Rc8 (14...Qb6 15.h3 Be6 16.Kh2+=) 15.f4+= Qd7 16.f5 gf5 17.h3 Bh5 18.ef5 f6 19.g4 (19.d4 Rcd8+=) 19...Bf7= 20.h4 (20.d4 d5=) 20...b6 (20...d5 21.Rae1=) 21.Qd1 d5 22.g5 Kh8 23.g6 (23.Qg4!?=) 23...hg6–/+ 24.Bh3 (24.fg6 Bg6 25.Qf3 f5–/+) 24...Bh6 25.Qf3 g5 26.hg5 (26.Qg4 Rg8 27.Bg2 d4–+) 26...Bg5–+ 27.Rad1 Rg8 28.Kh1 Qe7 (28...Bf4 29.Rg1 Rg1 30.Kg1 Rg8 31.Kf2–+) 29.Rf2 Rg7 30.Bg4 Kg8 31.Rh2 Rh7 32.Rh7 Kh7 33.Bh5 Kg7 34.Bf7 Qf7 (worse 34...Kf7 35.Qh5 Kg7 36.Qg6 Kf8 37.Nf3=+) 35.Rc1?? (better 35.Kg2–/+) 35...d4–+ 36.Ne4 (36.Bd4 Rh8 37.Kg1 ed4 38.Qg2–+) 36...Rh8 37.Kg2 Bc1 (37...Bc1 38.Be1 Ba3–+) 0–1. Sirokmany,Gabor (2250) – Szobi,Geza Sr, HUN–ChT2, 1997.

6.d4 Nc3 7.Bc3 Bf5 =.

5.Nc3 e5

6.g3 0–0 7.Bg2 Nc6 8.b5 Ne7 9.0–0 a6 10.a4 Rb8 11.d3 c6 12.e3 Qb6 13.d4 e4 14.Nd2 d5 15.c5 Qc7 16.b6 Qd7 17.Nb3 Qd8 18.Na5 Bg4 19.Qd2 h5 20.Ne2 Kh7 21.f3 ef3 22.Bf3 Bh6 23.Nf4 Ne4 24.Qc1 Nf5 25.Ra3 Qe7 26.Qc2 Ng5 27.Bg4 hg4 28.Ng2 Nf3 29.Kh1 Rbe8 30.Bc1 Qd7 31.Qe2 N5d4 32.Qb2 Nf5 33.Qc3 d4 34.Qb2 de3 35.h3 e2 36.Re1 Ng3# 0–1. kannisogoet – nks05, kurnik, 2012.

6.g3 Nc6 7.b5 Na5 8.d3 b6 9.Bg2 Rb8 10.0–0 Bb7 11.a4 c6 12.e3 cb5 13.cb5 d5 14.d4 e4 15.Nd2 0–0 16.Rc1 Re8 17.Qe2 Bc8 18.Rc2 Qe7 19.Ra1 Bg4 20.Qe1 Qd7 21.Rac1 h5 22.Bf1 Qd8 23.Ne2 Nh7 24.Nf4 Ng5 25.h4 Ne6 26.Ne6 Re6 27.Kh2 g5 28.Bh3 Bh3 29.Kh3 gh4 30.gh4 Rg6 31.Qh1 Qd7 32.Kh2 Qg4 33.Nf3 ef3 34.Rc8 Kh7 0–1. kannisogoet – nks05, kurnik, 2012.

5.Nc3 Bf5

6.Qa4 Bd7 7.Qb3 =.

5.d3 Na6

5.d3 c5

6.b5 0–0 7.g3 d5 8.Qc2 a6 9.a4 (9.cd5 Qd5 10.a4 ab5 11.ab5 Ra1 12.Ba1 Bd7=) 9...dc4 10.dc4 Bf5 11.Qb3 ab5 12.ab5 Ra1 13.Ba1 Bb1 14.Qb1 Qa5 15.Nd2 Rd8 16.Qc1 Ne4 17.Bg7 Kg7 (17...Rd2 18.Bg2 Rc2 19.Kd1 Rc1 20.Kc1 Qd2 21.Kb1 Qe2 22.Bb2–+; 17...Qd2?! 18.Qd2 Nd2 19.Bc3 Nc4 20.e4=+; 17...Nd2? 18.Bc3 Qa4 19.Bd2+–) 18.Qb2 Kg8 19.Bg2 Nd2 (20.Qc1 Nb3 21.Kf1 Nc1 22.Bb7 Qa2–+) 0–1. dannyboy238 – weBNimzo, ChessWorld.net, 2004.

5.d3 Bg4

5.d4 a5

6.b5 c5 7.dc5+= dc5 8.Qd8 Kd8 9.Nbd2 h6 10.Rd1 Kc7 11.Be5 Kb6 12.e3 Be6 13.a4 Nbd7 14.Bb2 Ne8 15.Ba3 (15.Bg7 Ng7 16.h3 Ka7+=) 15...Nd6 16.Be2 Rhd8 17.0–0 Kc7 18.Nb3 b6 19.Nbd2 Ne5 20.Ne5 Be5 21.Nf3 (21.h3 Rd7+=) 21...Bf6 (21...Bc4?! 22.Rd6 Bh2 23.Kh2 Be2 24.Rc6 Kb7 25.Rh1 Bf3 26.gf3+=) 22.Rc1 (22.Nd2 Rd7–/+) 22...Ne4 23.Rfe1 Rd7 24.Rc2 Rad8 (24...Nc3 25.Bb2 Ne2 26.Rce2 Bc4 27.Be5 Be5 28.Ne5 Be2 29.Nd7–+) 25.Rec1–/+ Nd2 26.Nd2 Rd2 27.f3 Bf5 28.e4 Be6 29.Kf1 R8d7 ½–½. Miranda,Amilcar – Pereira,Joaquim Costa, Olival Basto Region tt, 2004. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 d6 5.Bb2 a5)

5.d4 Bf5

6.Nbd2 a5 7.b5 c6 8.a4 0–0 9.e3 Nbd7 10.Be2 Re8 11.Nh4 e5 (11...Be6!?=) 12.Nf5+/– gf5 13.Nf3 Ng4 14.h3 Nh6 15.0–0 e4 16.Nd2 Qg5 17.Qb3 c5 18.Rad1 Re6 19.g3 (19.Rfe1 Rg6 20.g3 Re8+=) 19...cd4= 20.ed4 f4 21.Kh2 f3 22.Ne4 Re4 23.Bf3 ½–½. Mrozinski,Werner (1965) – Kleymann,Jelena (1865), Dortmund–ch, 2004. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 d6)

6.Nbd2 Nbd7 7.Nh4 Be4 (7...Be6 8.d5 Bf5 9.e4+–) 8.Ne4 (8.f3!? g5 9.Ne4 gh4 10.Nf6 Bf6 11.e3+–) 8...Ne4= 9.Qd3 Nef6 10.e4 0–0 11.Be2 e6 (11...e5 12.d5=) 12.Nf3+= c6 13.0–0 Qc7 14.a4 Rad8 15.Rfd1 b6 (15...d5 16.cd5 ed5 17.e5+=) 16.Rab1 Rfe8 17.h3 e5 18.d5 cd5 (18...c5 19.b5+–) 19.cd5+– Qb8 20.Rdc1 Nh5 21.Rc6 Nf4 22.Qc2 Rc8 (22...f5 23.ef5 e4 24.Nd4+–) 23.Bb5 Red8?? (23...Nf6 24.Kh2+–) 24.Kf1 (24.Rc1 Nc5+–) 24...Qb7?? (better 24...Nf6+–) 25.Rc1+– Qa8 (25...Nc5 26.bc5 dc5 27.Rc8 Rc8+–) 26.Rc8 Rc8 27.Qc8 (27.Bd7?! Rc2 28.Rc2 Qb7=) 27...Qc8 28.Rc8 Nf8 29.a5 h6 (29...f5 30.ef5 gf5 31.Nh4+–) 30.ab6 ab6 31.Rc6 g5 (31...f5 32.Rd6 fe4 33.Ne5+–) 32.Rd6 N8g6 (32...f5 33.ef5 e4 34.Ne5 Be5 35.Be5+–) 33.Rb6 f6 (33...Kf8 34.Bc4 Kg8 35.d6+–) 34.Bc4 (34.Rb8!? Bf8+–) 34...Nf8 35.Rb8 Kh7 36.Rb7 h5 (36...Kg6 37.d6 h5 38.Re7+–) 37.d6 (37.Ng5 Kg6 38.Nf7 h4+–) 37...N4e6 (37...N8e6 38.Re7 Nd8 39.Ne5 fe5 40.Be5+–) 38.d7 Kg6 39.Bb5 (better 39.Be6 Ne6 40.Ne5 Kh7+–) 39...Nd8 40.Rb8 Nfe6 41.Bc4 Kf7 42.Rd8 Ke7 43.Re8 Kd7 44.Re6 g4 45.hg4 hg4 46.Nh4 1–0. grahamtrue (2235) – workchess (2280), net–chess.com, 2016.

5.e3 0–0

(--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6).

6.d4 Nbd7 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.d4 Nbd7).

6.Be2 a5 7.b5 e5 8.d3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.Be2 e5 7.d3 a5 8.b5).

6.Be2 e5 7.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.d4 e5 7.Be2).

5.e3 a5

6.a3 e5 7.d3 0–0 8.Nbd2 Nc6 9.b5 Ne7 10.a4 Nd7 11.Be2 f5 12.0–0 f4 13.ef4 Rf4 14.Ne4 b6 15.Bc1 Rf8 16.Nfg5 Nc5 17.Bf3 Rb8 18.Ra2 h6 19.Nc5 dc5 20.Ne4 Be6 21.Nc3 Qd4 22.Bb2 Qd7 23.Re1 Rbd8 24.Be4 Bf5 25.Nd5 Nd5 26.Bd5 Be6 27.Be5 Bd5 28.Bg7 Qg7 29.cd5 Rd5 30.Qe2 Rfd8 31.Qe6 Qf7 32.Rae2 Rd3 33.Qf7 Kf7 34.Re7 Kf8 35.Rc7 R8d7 36.Rc6 R7d6 37.Rc7 Rd7 38.Rc6 R7d6 39.Kf1 Rc6 40.bc6= Rd6 41.c7 Rc6 42.Re6 Rc7 43.Rg6 c4 44.Ke2 c3 45.Kd1 Rd7 46.Kc2+/– Rd2 47.Kc3 Rf2 48.Rb6 Rg2 49.Rh6 Rg4 50.Kb3 Rb4 51.Ka3+– Rf4 52.Rh5 Rf3 53.Kb2 Ke7 54.Ra5 Rf2 55.Kc3 Rh2 56.Rd5 Rh6 57.Kc4 Rd6 58.Rh5 Kd7 59.Kc5 Kc7 60.a5 Rc6 61.Kb5 Rd6 62.Rh8 Rd8 63.Rh6 Kb8 64.Kb6 Ka8?? 65.Kc7 (65.Kc7 Ka7 66.Kd8 Kb8 67.Rb6 Ka8 68.Kc8 Ka7 69.Rc6 Ka8 70.Ra6#) 1–0. Schwierskott,Marc – Kohler,Thomas, Oberliga Wuert, 1994.

5.e3 Na6

5.e3 c6

6.Nc3 0–0 7.Be2 d5 8.0–0 Nbd7 9.cd5 cd5 10.d3 Qb6 11.a3 e6 12.h3 Ne8 13.Rc1 Ndf6 14.Qd2 Bd7 15.Rc2 Nd6 16.Ne5 Nf5? (16...Rfc8+=) 17.e4?? (better is 17.g4 d4 18.Nd1+/–) 17...Nd4+= 18.Nd7 Nd7 19.Na4 Ne2 20.Qe2 Qa6 21.Nc3 de4 ½–½. Buldrova,Monika (1775) – Brudnova,Jana (1830), Plzen op–B U18, 1996. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6)

6.d4 0–0 =.

6.Be2 Qb6 7.a3 =.

6.Be2 e5 7.d3 (7.d4 e4 8.Nfd2 d5+=) 7...0–0 (7...Qb6 8.a3=) 8.0–0 Qb6 (8...Bg4 9.d4=) 9.Qb3 (9.a3 Bf5=) 9...h6 (9...Na6 10.a3=) 10.Nbd2 (10.c5 dc5 11.Ne5 Qb4 12.Ng6 Qb3 13.Ne7 Kh8 14.ab3 Be6–/+) 10...Be6= 11.a4 Nbd7 12.a5 Qc7 13.Qc2 (13.Qc3 Rfe8=) 13...Rfe8 (13...d5 14.d4 Bf5 15.Qb3=) 14.Ne4 (14.d4 Bg4 15.Ne4 Ne4 16.Qe4 Nf6=) 14...Rad8 15.Rfd1 Bf5 (15...Ng4 16.c5 dc5 17.bc5+=) 16.Ng3 (16.Nf6 Nf6 17.e4 Bg4+=) 16...Bg4 17.h3 Be6 18.e4 Nh7 (18...a6 19.d4+=) 19.d4 Ndf8 (19...Nhf6 20.Qd3+/–) 20.Rac1 (20.Qd2 ed4 21.Bd4 f5+/–) 20…c5 (20...ed4 21.Bd4 c5 22.Bg7 Kg7 23.Qc3 Nf6 24.bc5 Qc5 25.Rb1+/–) 1–0. Jasik,Krzysztof (2250) – Heinrich,Alexander (2140), Polanica Zdroj, 2001.

5.e3 Nc6

6.b5 Nb8 7.d4 b6 8.Nc3 Bb7 9.Be2 0–0 10.0–0 Nbd7 11.Qb3 e6 12.Qd1 Qe7 13.Qb3 Ne4 (13...Qd8 14.Qb4+=) 14.Ne4+= Be4 15.a4 Rac8 16.Nd2 Bb7 17.a5 Ra8 (17...c5!? 18.ab6 ab6+=) 18.a6+– Bc8 19.f4 Nf6 20.Qa3 White prepares c5 20...Bd7 21.e4 Rad8 22.e5 Ne8 23.Rad1 Rc8 (23...c6 24.Ne4+–) 24.c5! dc5 (24...bc5 25.dc5 Combination; 24...dc5 25.dc5 Combination) 25.Ne4 (better 25.dc5 Qc5 26.Qc5 bc5 27.Ne4+–) 25...f6?? (25...f5 26.dc5 fe4+–) 26.dc5+– bc5 27.Nc5 Rd8 28.Nb7 (28.Rd7?! Rd7 29.Nd7 Qd7+–; 28.Nd7?! Rd7 29.Qe7 Re7+–) 28...Qa3 29.Ba3 Rc8 (29...Bb5 30.Bb5 (30.Bf8?! Rd1 31.Rd1 Be2+–) 30...Rd1 31.Rd1+–) 30.Bf8 Bf8 (30...Bb5 31.Bb5 Bf8 32.Bd7+–) 31.Rd7 Bc5 (31...fe5 32.fe5 c6 33.bc6 Bh6+–) 32.Nc5 f5 33.Ne6 c6 34.Ra7 c5 35.Rd1 c4 36.b6 c3 37.b7 Rb8 38.Ra8 c2 39.Rc1 (39.Rc1 Nf6 40.Rb8 Ne8 41.Re8 Kf7 42.Rc2 Ke8 43.Rc7 h6 44.b8Q; 39.a7 Nd6 40.ab8Q Nc8 41.bc8Q Kf7 42.Qbc7) 1–0. pierred (2795) – workchess (2280), net–chess.com, 2016.

6.b5 Nb8 7.Be2 Nbd7 8.0–0 0–0 9.d4 e5 10.Nc3 ed4 11.ed4 Re8 12.Re1 Nb6 13.a4 Bg4 14.c5 Nbd5 15.Nd5 Nd5 16.Qb3 Nf4 17.Bc4 Rf8 (17...Qf6 18.cd6 cd6 19.a5=) 18.Rad1 (18.h3 Bf5+=) 18...d5= 19.Bf1 Qf6 20.Rd2 (20.Re3 Rfe8=) 20...Rfe8 21.Re8 Re8 22.Ne5 Qg5 23.Bc1 (better 23.h4!? Qh5 24.g3 Be5 25.de5+=) 23...Be5=+ 24.de5 Re5 (24...Qe5 25.Bb2 Qe1 26.Qc3–+) 25.Qg3? (25.Rd4 Ne2 26.Be2 Re2 27.Qc3=+ (27.Bg5?? Re1)) 25...Qf5?? (better 25...Re1 26.h4 Qf5–+) 26.Rb2 (26.f3!? Bh5 27.Rb2=) 26...Ne2 27.Be2 Re2 (27...Be2 28.Be3=+) 28.Re2= Be2 29.Qc7 Qb1 (29...Qc2 30.Qb8 Kg7 31.Qe5 Kg8 32.Qe8 Kg7 33.Qe5 Kg8 34.Qe8 Kg7 35.Qe5=) 30.Qb8+= Kg7 31.Qe5 Kg8 32.Qe8 Kg7 33.Qe5 ½–½. vhilts (2375) – gbsrao (2345), net–chess.com, 2016.

5.e3 Nbd7

6.Be2 0–0 7.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.d4 Nbd7 7.Be2).

5.e3 Bg4

6.h3 Bd7 7.d4 =.

6.h3 Bf3 7.Qf3+= c6 8.d4 +=.

6.h3 Bf3 7.Qf3 Nc6 8.a3 0–0 9.d4 a6 10.Bd3 d5 11.Nc3 dc4 12.Bc4 b5 (better is 12...Qd6!?+=) 13.Qc6+– bc4 14.Qc4 Nd7 15.Rc1 e5 16.Ne2 ed4 17.Bd4 Ne5 18.Qc2 (18.Qc3 Qg5 19.f4 Qg2+–) 18...Qf6 (better is 18...a5!?+/–) 19.0–0+– Qg5? (19...Qe6+–) 20.f4 (20.Qc7?! Nf3 21.Kh1 Nd4 22.Nd4 Bd4 23.ed4 Rad8+–) 20...Qe7 (20...Qh6 21.Qd2+– (< 21.Be5 Be5 22.fe5 Qe3 23.Rf2 Qa3+–)) 21.Bc5 Nf3 (21...Qd7 22.Bf8 Rf8 23.fe5 Be5 24.Nf4+–) 22.Rf3 (22...Qe6 23.Bf8 Rf8 24.f5 gf5 25.Nf4+–) 1–0. orane (2000) – communist, Caissa.com, 2004.

6.h3 Bf3 7.Qf3+= Qc8 8.a3 (8.d4 a5+=) 8...Nbd7 9.d4 c5 10.Bd3 0–0 11.0–0 b5 (11...Nb6 12.Nd2+=) 12.cb5+/– c4 13.Bc2 d5 14.Nc3 Nb6 (14...Qb7 15.Rac1+/–) 15.Rfe1 e6 16.a4 (16.Rac1 Qd7+/–) 16...Qd7 (16...Qb8 17.a5 Nbd7 18.Ba3+/–) 17.Ne2 (17.a5 Nc8+/–) 17...Rac8 18.Bc3 Rc7 19.Qf4 (19.Rec1 Ra8+/–) 19...Qe7 (19...Rb8 20.a5 Nc8 21.Ba4+=) 20.Ng3 Rd8 (20...Rb8 21.Qf3+/–) 21.Rec1 Nc8 22.f3 Nb6 23.Ne2 (23.a5 Na8+/–) 23...Rdc8 (23...Nh5 24.Qh2+=) 24.e4+/– Nh5 (24...Nbd7 25.Qh4 e5 26.Rd1+/–) 25.Qd2 (25.Qe3 Rb7+/–) 25...Qh4 26.Qe3 Re7?? (better is 26...Ng3 27.Ng3 Qg3+/–) 27.Be1+– (27...Bd4 28.Qd4+– (28.Bh4? Be3 29.Kf1 g5–+; < 28.Nd4 Qf4 29.Bd2 Qe3 30.Be3 Rd7+–)) 1–0. MrkT – dyl, internet, 2005.

5.g3 c5

6.b5 0–0 7.Bg2 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Qa5 11.Bc3 Qa2 12.d3 d5 13.Nbd2 dc4 14.Nc4 Ne4 15.Bg7 (15.de4? Bc3 (15...Qc4?! 16.Bg7 Kg7 17.Qa1 Kg8 18.Qb2=+) 16.Ncd2 Rd8–+) 15...Kg7 16.Qc1 Nd6 17.Nd6 ed6 18.Qc3 Kg8 19.0–0 Qe2 20.Re1 Qa2 21.Ng5 Nd7 22.Ne4 d5 23.Nc5 Nc5 24.Qc5 Qd2 25.Qe3 Qe3 26.fe3 Be6 27.Rc1 Ra8 28.e4 d4 29.e5 Ra5 30.Rb1 Bf5 31.Rb3 Ra1 32.Kf2 Ra2 33.Kf3?? Be6–+ 34.Rb4 Bd5 35.Kf4 Bg2 36.Rd4 Rb2. Burgess,Mark R (2335) – Buchanan,Walter F, SCO–ch Troon, 1986.

6.bc5 dc5 7.Bg2 0–0 8.0–0 Nc6 9.d3 Qc7 10.Nc3 a6 (10...Rd8 11.Qd2=) 11.Rb1 (11.Qb3 e5=) 11...Rb8 (11...Rd8 12.Nd2=) 12.a4 (12.Nd5 Nd5 13.Bg7 Kg7 14.cd5 Ne5+=) 12...Rd8 13.Qb3 (13.Nd2 b6=) 13...Be6 (13...Bg4 14.Nd1=) 14.Bc1 (14.Ng5 Bg4=) 14...Bg4 15.Qa3 (15.Qb2 Bf3 16.Bf3 h6=) 15...b6 16.a5 ba5 (16...Bf3!? 17.ab6 Rb6 18.Bf3 Rb1 19.Nb1 Nd4=+) 17.Qc5 (17.Rb8 Rb8 (worse 17...Nb8 18.Bf4 Qc8 19.Rb1+–) 18.Qc5 Qb6 19.Qb6 Rb6+=) 17...Nd7= 18.Qa3 Bf3 (18...Rb1 19.Nb1 Nde5 20.Ne5 Be5 21.f4 Qb6 22.e3=+) 19.Rb8 (worse 19.ef3 Rb1 20.Nb1 Nde5–/+) 19...Qb8 (19...Ndb8 20.Bf3 Bc3 21.Qc3+=) 20.Bf3 (worse 20.ef3 Nb4=+) 20...Nd4 21.Nd5 (worse 21.Qa5 Nb3 22.Qa3 Bc3=+) 21...e6 22.Ne7 Kh8 23.Nc6 (23.Qa5 Ne5 24.Bb2 Nef3 25.ef3 Nf3 26.Kg2 A) worse 26...Bb2 27.Nc6 Qb7 28.Qd8 (28.Nd8 Ne1 29.Kh3 Qg2 30.Kg4 f5 31.Qf5 ef5 32.Kg5 Qh3 33.d4 Bd4 34.Nf7 Kg7 35.f3 h6 36.Nh6 Qh6) 28...Kg7 29.Kf3 Qc6 30.Ke2+=; B) 26...Qa8 27.Bg7 Kg7–+) 23...Nc6 24.Bc6 Ne5 25.Bg2 (25.Be4 Qb4+=) 25...Qb4+= 26.Qa2 a4 27.Bd2 (27.Bg5!? Rb8 28.Bf4+=) 27...Qb3= 28.Ra1 Nc4 29.dc4 Ba1 30.Qa1 Kg8 31.Qc1 a3 32.c5 (32.Bd5–+) 32...Qb2 (32...Qb2 33.Qb2 ab2–+) 0–1. Prelevic,Dusko (2340) – Sorgic,Dragan (2285), Valjevo SRB, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 c5)

6.bc5 dc5 7.Bg2 0–0 8.0–0 Nc6 9.d3 Nd4 10.Nbd2 Ne8 11.Rb1 e5 (11...Nd6!?+=) 12.Nd4+/– ed4 13.Nb3 h5 (better is 13...Nd6!?+/–) 14.Ba3+– h4 15.Nc5 Nd6 16.Nb7 Bb7 17.Bb7 Rb8 18.Bf3 Rb1 19.Qb1 Re8 20.Bd6 Qd6 21.Qb7 Be5 (21...hg3 22.hg3 Qa3 23.Bd5+–) 22.Qa7 Kg7 23.Kg2 Rb8 24.c5 Qe6 25.c6 Rb2 26.Qd7 h3 27.Kg1 Qa2 (27...Qd7 28.cd7 Bc7 29.a4+–) 28.c7 (better is 28.Bd5 Qa3 29.Qf7 Kh6 30.f4+–) 28...Rb1 29.Qh3 Bc7 30.Qd7 Rf1 31.Kf1 Bb6 32.Bd5 Qa7 33.Qe8 Qc7 34.h4 Bc5 (34...Qc1 35.Kg2 Qc7 36.e3+–) 35.Bf7! Qf7 36.Qe5 Kh7 37.Qc5 Qd7 38.Qe5 Qh3 39.Kg1 Qg4 (39...Qd7 40.Qe4 Kg7 41.e3 de3 42.fe3+–) 40.Qe4 Qd7 (40...Qh5 41.Qe7 Kg8 42.Qg5 Qe2 43.Qg6 Kf8 44.Qf6 Kg8 45.Qd4+–) 41.h5 1–0. Cruz,Cr (2495) – Salazar,Au (2200), Barbera del Valles ESP, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 c5)

5.g3 Nbd7

6.Bg2 Rb8 7.0–0 0–0 8.d3 c5 9.b5 b6 10.a4 a5 11.ba6 Ba6 12.Na3 Qc7 13.Qd2 e5 14.Rfb1 Rfe8 15.Nb5 Bb5 16.ab5 e4 17.Ng5 e3 (17...ed3!? 18.Qd3 Ne5+/–) 18.fe3 Bh6 19.e4 Ng4 20.Qc3 Nde5 21.Nf3 Be3 22.Kf1 f6 23.h3 Nf3 24.ef3 (worse is 24.Bf3 d5 25.Kg2 Bd4=) 24...Bd4 25.Qb3 Ne3 26.Kg1 Nc2 27.Bd4 Nd4 28.Qd1 d5 29.Kh2 dc4 30.dc4 Rbd8 31.Qf1 h5 32.Qf2 h4 33.Rb2 Ra8 34.Ra8 Ra8 35.f4 Ra4 36.gh4 Rc4 37.e5 Kg7 38.Bd5 Ra4 39.ef6 Kf6 40.Qg3 Nf5 41.Qg5 Kg7 42.h5 Qf4 43.Qf4 Rf4 44.hg6 Kg6 45.Ra2 Ne7 46.Bg2 ½–½. Lofgren,Claes (2125) – Nielsen,Kai Gylling (1830), Copenhagen DEN, Politiken Cup, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6)

6.Bg2 e5 7.d3. bschardein (2385) – giftdhandz, net–chess.com, 2005.

5.Qc2 0–0

6.d3 c5 7.bc5 dc5 8.Nbd2 Nc6 9.a3 Nd4 10.Nd4 cd4 11.Nf3 Nd7 (11...e5 12.e3=+) 12.g3 (better is 12.Bd4!? e5 13.Bc3+=) 12...e5 13.Bg2 Rb8 14.0–0 b6 15.e3 Bb7 16.ed4 Bf3 17.Bf3 ed4 18.Rfe1 Ne5 19.Bd5 Qg5?? (19...Nd7 20.Re2+=) 20.Bd4 Qh5 21.Qe2 Ng4? 22.f3?? Nf6 23.Be5 Rfe8 24.f4 Nd5? 25.Qh5+/– gh5 26.Bg7 Re1 27.Re1 Kg7 28.cd5 Rd8 29.Re5 Kf6 30.Kf2 a5 31.Ke3 b5 32.d6 b4 33.ab4 ab4 34.Rb5 Rd6 35.Rb4 Kf5 36.Re4 Kg4 37.Re7 Rf6 38.Kd4 Kh3 39.Re2?? Re6?? 40.Re6+– fe6 41.Ke5 Kh2 42.Ke6 Kg3 43.d4 h4=+ 44.d5? h3–+ 45.d6 h2 46.d7 h1Q 47.d8Q Qe4 48.Kf7 Qf4 49.Kg7 h5 50.Qd3 Kg4 51.Qd1 Qf3 52.Qg1 Qg3 53.Qd4 Qf4 54.Qd1 Qf3 55.Qd4 Qf4 56.Qd1= ½–½. sagonek – kgb158, kurnik, 2011.

6.g3 a5 7.ba5 Ra5 8.Bg2 c5 9.0–0 Nc6 10.d4 cd4 11.Nd4 Nd4 12.Bd4 Bf5 13.e4 Bd7 14.Nd2 Qc8 15.Rfe1 Bh3 16.Bh1 b5 17.e5 de5 18.Be5 bc4 19.Qc4 (19.Nc4? Rc5–+) 19...Rc5 20.Qd4 Nh5 (better is 20...Rd8!? 21.Qb4 Nd5 22.Bd5 Rcd5=+) 21.Bg7+= Ng7 22.Nb3 (22.Re7 Nf5 23.Bb7 Nd4 24.Bc8 Rfc8–+ (< 24...Rcc8 25.g4–+; 24...Bc8?! 25.a4–+)) 22...Rc4 23.Qd5 e6 24.Qb7 Nf5 25.Rac1 Rc1 26.Rc1 Qd8 27.Bg2 Bg2 28.Kg2 Qd6 29.Rc8 Rc8 30.Qc8 Kg7 31.Qb7 (better is 31.Qc4!?=) 31...Qa3–/+ 32.g4 Nh6 (32...Nd6 33.Qb8–/+) 33.Qf3 Qa2 34.h3 Qb1 35.Nd4 Ng8 36.Ne2 Nf6 37.Nf4 Qe4 38.h4 Qf3 39.Kf3 e5 40.Ng6 (40.Ng6 Kg6 41.g5–+) 0–1. sagonek – brazilianu, kurnik, 2011.

6.g3 c6 7.Bg2 Nbd7 8.0–0 e5 9.d3 Qe7 10.Nbd2 Re8 11.e4 Nf8 12.Rfe1 h6 13.d4 ed4 14.Nd4 Ne6 15.Ne6 Be6 (< 15...fe6 16.e5 de5 17.Qg6+–) 16.e5 (better is 16.a3!?=) 16...de5–/+ 17.Be5 Qb4 18.Rab1 Qa5 19.Rb7? (better is 19.Bf6 Bf6 20.Rb7–/+) 19...Rec8?? (better is 19...Bf5 20.Qb2 Ng4 21.Bg7 Re1 22.Bf1 Bc8–+) 20.Nb3 Qa6 21.Re7 Qc4 22.Qc4 Bc4 23.Rc1 Bd5 24.Bf6=+ Bf6 25.Re2 Bg2 26.Kg2 Rab8 27.Rec2 Rb6 28.Nc5 Bg5 29.Rd1 Rb5 30.Ne4 Be7 31.Rd7 Bf8 32.Nf6 Kg7–/+ 33.Nd5 c5 (< 33...Rd5 34.Rd5 Rc7 35.Kf3+=; 33...cd5? 34.Rc8 a5 35.Rcc7+–) 0–1. sagonek – ajzerf, kurnik, 2011.

6.g3 e5 7.d3 Nc6 (7...a5 8.b5=) 8.a3 Ne7 (8...Bf5 9.Nbd2=) 9.Bg2 Ne8 (9...Re8 10.0–0=) 10.0–0+= f5 11.e3 h6 12.Nbd2 g5 13.e4 (13.Ne1 f4+=) 13...f4 (13...Nf6 14.ef5 Bf5 15.Ne4=) 14.d4 (14.h3 g4 15.hg4 Bg4=) 14...Ng6 (14...g4 15.Ne1=+) 15.de5 (15.h3 g4 16.hg4 Bg4 17.de5 Ne5 18.Ne5 Be5=) 15...de5 (15...g4 16.Nd4 f3 17.Bh1 Ne5 18.h3=) 16.Rad1 Qe7 17.c5 g4 18.Ne1 f3 19.Bh1 h5 20.Nc4 Bh6 21.Nd3+/– Nf6 22.Nde5+– Ne5 23.Ne5 Qg7 24.Qc4 Kh8 25.Rd3 h4 26.Rfd1 hg3 27.hg3 Re8 28.Nd7! Bd7 29.Rd7 Qg6 30.e5 Ne4?? 31.e6+– Nf6 32.Rf7 (32.Rf7 Bg7 33.Rc7+–) 1–0. sagonek – solaris8, kurnik, 2011.

6.g3 Bg4 7.Bg2 Nbd7 8.d3 Rb8 9.0–0 c5 10.bc5 Nc5 11.Nbd2 a6 12.d4 Ncd7 13.e4 e5 14.de5 de5 15.Ne5 Ne5 16.Be5 Rc8 17.f3 Be6 18.c5 Qa5 19.Rfc1 Rfd8 20.Nb3 Bb3 21.ab3 Qb4 22.Qc4 Qd2 23.Qf1 Qg5 24.f4 Qh5 25.Qf3 Qh6 26.Bd6 Nh5 27.b4 Ba1 28.Ra1 f5 29.e5 Ng7 30.Re1 Ne6 31.Be7 Rd2 32.Re2 Rd1 33.Kf2 Nd4 34.Qb7 Re8 0–1. sagonek – reiazul, kurnik, 2012.

6.g3 c5

7.bc5 dc5 8.Bg2 a6 9.0–0 b5? (better is 9...Nc6!?=) 10.cb5 ab5 11.d3 Bb7 12.Nbd2 e6 13.a4 ba4 14.Ra4 Ra4 15.Qa4 Qb6 16.Qc2 Nbd7 17.e4 Rb8 18.Rb1 Bc6?? 19.Bf6+– Qc7 20.Bg7 Rb1 21.Nb1 Kg7 22.Nfd2 Qa5 23.Qc3 Qc3 24.Nc3 Ne5 25.Bf1 Bb7 26.f4 Ng4 27.Be2 Ne3 28.Nb3 c4 29.dc4 Ba6 30.c5 Be2 31.Ne2 Nc4 32.c6 Nd6 33.e5 Nc8 34.Ned4 Kf8 35.Nc5 Ke7 36.Nb7 h5 37.h3 f6 38.ef6 Kf6 39.c7 e5 40.fe5 Ke5 41.Nc6 Kd5 42.Ncd8 g5 43.Nf7 g4 44.Nbd6! 1–0. sagonek – brazilianu, kurnik, 2011.

7.bc5 dc5 8.Bg2 Nc6 9.a3 Nd4 10.Nd4 cd4 11.d3 Bg4 12.Bb7 Rb8 13.Bg2 Qd7 14.Nd2 Bh3 (better is 14...e5+=) 15.0–0?? (better is 15.Bh3 Qh3 16.Bd4+/–) 15...Bg2–+ 16.Kg2 e5?? 17.a4?? Qb7–+ 18.Kg1? Qb2 19.Rfc1 Qc2 20.Rc2 Rb4 21.a5 Rfb8 22.Kg2 Rb2 23.Rac1? Rc2 24.Rc2 Bf8 25.Nf3 Nd7 26.c5 Bc5 27.Ne5 Ne5 28.Rc5 Nd7?? 29.Rd5 Nc5?? 30.Rd4?? Rb5–+ 31.Rd5 a6?? 32.d4= Na4 33.Rb5 ab5 34.Kf3 b4 35.Ke3 b3 36.Kd3 b2 37.Kc2 Kf8 38.a6 Ke7 39.a7 b1Q 40.Kb1 Nb6 41.Kc2 Kd7 42.Kd3 Kc7 43.Ke4 Kb7 44.Ke5 Ka7 45.Kf6+– Kb7 46.Kf7 Kc6 47.Kg7 h5 48.Kg6 Kd5 49.Kh5 Kd4 50.Kg4 Ke5 51.f4 Kf6 52.h4 Nd5 53.e4 Ne7 54.h5 Kg7 55.Kg5 Nc6 56.e5 Nd4 57.f5 Nf3 58.Kf4 Nd4 59.g4 Ne2 60.Ke3 Nc3 61.f6 Kf7 62.Kf4 Ne2 63.Kf5 Nd4 64.Ke4 Ne6 65.h6 Ng5 66.Kf5 Nh7 67.g5 Kf8 68.e6 Ke8 69.Kg6 Nf8 70.Kf5 Nh7 71.g6 Nf8 72.h7 Ng6 73.h8Q (73.h8Q Nh8 74.Kg5+/–) 1–0. sagonek – kgb158, kurnik, 2011.

7.bc5 dc5 8.Bg2 Nc6 9.a3 Bf5 10.d3 Rb8 11.0–0 Qc8 12.Re1 Bh3 13.Bh1 e6 14.Nbd2 b5 15.e4 b4 16.ab4 Nb4 (< 16...Rb4 17.Bc3 Rb7 18.e5+=; < 16...cb4 17.Ng5 e5 18.f4+/– (18.Nh3?! Qh3 19.Nb3 Rfd8=)) 17.Qb1 h6 (17...Rd8!? 18.Re3 Nc6–/+) 18.Bf6 Bf6 19.Ra4 (< 19.Ra7 Nc6 20.Qa2 Na7 21.Qa7 Bc3–/+) 19...a6 20.Qd1? (better is 20.e5 Be7 21.Rd1–/+) 20...Nd3–+ 21.Nb3? Ne1 22.Ne1 Qc6 23.Nd2 Qd7 24.Ra5 Rfd8 25.Nef3 Rb2 26.Qc1 Rd2 27.Nd2 Qd2 28.Qd2 Rd2 29.Bf3 Rc2 30.Bd1 Rc1 31.f4 Bd4 32.Kh1 Rd1 0–1. sagonek – brazilianu, kurnik, 2011.

5.Nc3 0–0

6.Qc2 e5 7.g3 (7.e4 Bg4=) 7...Bg4 8.Bg2 Nc6 9.a3 Nd7 10.e3 f5 11.d3 Nf6 12.Nd2 f4 13.h3 fe3 14.hg4 (14.fe3 Be6 15.0–0=) 14...Ng4 (better is 14...Nd4 15.Qd1 ed2 16.Kd2 c6+=) 15.fe3 Ne3 16.Bd5 Kh8 17.Qa4 Nd4 18.Nce4 (18.Rc1!? Qg5 19.Ne2 Ne2 20.Ke2–/+) 18...Nec2–/+ 19.Kd1 c6 20.Be6? (better is 20.Bd4!? Nd4 21.Nc3 cd5 22.Nd5–/+) 20...Ne3 (20...Na1!? 21.Bd4 ed4 22.c5 dc5 23.Ke2–+) 21.Kc1 Ne6 22.Kb1 d5 (22...d5 23.cd5 cd5–+) 0–1. Noack,U – Wend,Uwe, DDR–Cup7 corr, 1983. (=1.Nf3 Nf6 2.c4 d6 3.Nc3 g6 4.b4 Bg7 5.Bb2 0–0)

6.Qc2 Bg4 7.a3 +=.

6.e3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.Nc3).

6.g3 c6 7.Bg2 (7.Qb3 a5=) 7...Nbd7 (7...d5 8.c5=) 8.0–0 (8.a4 d5 9.cd5 cd5=) 8...Nb6 9.d3 c5 (9...Ne8 10.Rc1=) 10.b5 (10.bc5 dc5 11.Nd2 Qd6+=) 10...Bd7 11.a4 a5 12.Qc2 Nc8 (12...Qc8 13.Rfb1+=) 13.Nd2 Rb8 14.Nd5 Nd5 15.Bd5 e6 (15...Bb2 16.Qb2 Bh3 17.Rfd1+=) 16.Bg7 Kg7 17.Qc3 Kg8 (17...f6 18.Bf3+=) 18.Bg2 b6 19.Ne4 f5 20.Nd2 Qf6 21.Qf6 Rf6 22.f4 Ne7 23.e4 Kg7 24.Rae1 Bc8 (better is 24...Rd8!?+=) 25.e5+/– de5 26.Re5 Bd7 (26...Bb7 27.Bb7 Rb7 28.Nf3+/–) 27.Nf3 (27.d4 cd4 28.Nb3 Rf7+–) 27...Re8 (better is 27...Rc8!?+/–) 28.d4+– cd4 29.Nd4 Nc8 30.Rd1 Nd6? 31.Rc1 Rf7 32.c5+– bc5 33.Rcc5 Rc8 34.Rc8 Bc8? 35.Ne6+– Be6 36.Re6 Nc8 37.b6 Nb6 38.Rb6 Rc7 39.Rb7 Rb7 40.Bb7 Kf8 41.Kf2 Ke7 42.Bd5 h6 43.Ke3 g5 44.Kd4 Kd6 45.Kc4 gf4 46.gf4 h5 47.Bf3 h4 48.Kb5 h3 49.Ka5 Kc5 50.Bh5 Kd4 51.Kb6 Ke3 52.Bg6 Kf4 53.a5 Kg5 54.Bf5! Kf5 55.a6 (55.a6 Kf4 56.a7 Ke3 57.a8Q Kf4 58.Kc6 Kf3 59.Kd5 Ke2 60.Ke4 Kd2 61.Qa3 Kc2 62.Qb4 Kd1 63.Qb2 Ke1 64.Ke3 Kd1 65.Qb1; 55.Kc5 Kf4 56.a6 Kf3 57.Kd4 Kf4 58.a7 Kf5 59.a8Q Ke6 60.Qf3 Kd6 61.Qd5 Kc7 62.Kc5 Kb8 63.Kb6 Kc8 64.Qd4 Kb8 65.Qh8) 1–0. Wilson,L – Ball,Aileen, Combined Services–ch, 2002. (=1.Nf3 d6 2.c4 g6 3.b4 Bg7 4.Nc3 Nf6 5.Bb2 0–0)

6.g3 Nc6 7.a3 a6 8.Bg2 Rb8 9.0–0 e5 10.d3 Nd4 11.Ng5 c6 12.Re1 h6 13.Nge4 Ne8 14.e3 Ne6 15.f4 ef4 16.ef4 f5 17.Nd2 N6c7 18.Nf3 d5 (18...Be6 19.Qb3+=) 19.Qc2 d4 20.Ne2 Ne6 21.c5 N8c7 22.Qc4 Kh7 23.Ned4 (better is 23.Rab1!?+/–) 23...Nd4+= 24.Bd4 Bd4? (better is 24...Be6 25.Bg7 Bc4 26.Bf8 Qf8 27.dc4 Qf6+=) 25.Nd4+– Nd5 (25...Qd7 26.Re2 Rd8 27.Nf3+–) 26.Re5 Nf6 27.Rae1 Bd7 28.Ne6 (28.Re7!? Kh8+–) 28...Be6 29.Re6 (29.Qe6 Qd4 30.Kh1 Ng4 31.Qe7 Kh8+/–) 29...Kh8? (29...Re8 30.Re8 Ne8 31.d4+–) 30.Qc3 (better is 30.Rd6 Qc7 31.Ree6+–) 30...Kg7?? (30...Rf7+–) 31.Rd6 Qc7 32.Re3 (32.Ree6 Kh7 33.Rf6 Qg7 34.Rf8 A) 34...Qc3?? 35.Rd7 Qg7 36.Rg7 (36.Rb8?! Qd7 37.h4 g5+=) 36...Kg7 37.Rb8+–; B) 34...Rf8 35.Qg7 Kg7+–) 32...Rbe8?? (better is 32...Rbd8 33.Rde6 Rf7+–) 33.Re8 Re8 (33...Qd6 34.cd6 Re8+–) 34.Qf6 Kg8 35.Qg6 (35.Qg6 Qg7 36.Qe8 Kh7 37.Bh3 Qa1 38.Kf2 Qb2 39.Kf3 Qg2 40.Kg2 Kg7 41.Qe7 Kg8 42.Rd8) 1–0. Hartlaub,Marianne – Walther,Margareta, Bayern–ch (Women), 1999. (=1.Nf3 d6 2.c4 g6 3.Nc3 Nf6 4.b4 Bg7 5.Bb2 0–0)

6.g3 Nbd7 7.Bg2 c5 8.b5 Rb8 9.0–0 Nb6 10.d3 d5 11.cd5 Nbd5 12.Nd5 Nd5 13.Bg7 Kg7 14.e3 Nc7 15.Qb3 Be6 16.Qb2 Kg8 17.Ne5 f6 18.Nc4 Qd3 19.Rfd1 Qc4 20.Rac1 Qa2 21.Qc3 b6 22.Ra1 Qb3 23.Qd2 Rbd8 24.Qe2 Qb5 25.Qf3 Bd5 26.Qf4 Bg2 27.Qc7 Rd1 28.Rd1 Qc6 29.Qc6 Bc6 30.Ra1 a5 31.Kf1 Bb5 32.Ke1 c4 33.Kd2 Rc8 34.Kc3 Bd7 35.Rd1 Be6 36.Rd4 b5 37.f4 b4 38.Kb2 c3 39.Kb1 a4 40.Rb4 c2 41.Kc1 Bb3 42.Rb7 Rd8 43.Re7 Rd1 44.Kb2 c1Q# 0–1. kannisogoet – mestrejedi, kurnik, 2012.

6.g3 e5 7.d3 Be6 8.Bg2= c6 9.Ng5 Qd7 10.Ne6 Qe6 11.0–0 Nbd7 12.a3 Nh5 13.e3+= f5 14.e4 Ndf6 15.f3 Bh6 16.Bc1 f4 17.g4 Ng7 18.h3 Bg5 19.a4 h5 20.b5 hg4 21.fg4 Kf7 22.Bf3 Rad8 23.Qe1 Ng8 24.h4 Be7 25.Kg2 Nh6 26.Kh3 Nh5 27.Rg1 Ng7 28.Bd2 Ke8=+ 29.Ra2 g5 30.hg5 Bg5 31.Rb2? Rh8–+ 32.Qf2?? Ng4 33.Kg2 Nf2 34.Kf2 Rh2 35.Ke1 Bh4 36.Kd1 Bg3 37.bc6 bc6 38.Rb7 Kf8 39.Ra7 Rf2 40.Be2 Qh3 41.Rb7 Qh2 42.Rf1 Rf1 43.Bf1 Qg1 44.Rb1 Qf1 45.Kc2 Qb1 46.Kb1 f3 47.Nd1 f2 48.Nf2 Bf2 49.Ka2 d5 50.cd5 cd5 51.Bb4 Kf7 52.Bc3 d4 53.Bb4 Ne6 54.a5 Nf4 55.Bc5 Nd3 56.Bb6 Rb8 57.Ka3 Be1 58.Ka4 Ba5 59.Ka5 Rb6! 60.Kb6 Nf2 61.Kc5 Ne4 62.Kc4 Nf2 63.Kb3 d3 64.Kc3 e4 65.Kd2 Ke6 66.Ke3 Kf5 67.Kf2 Kf4 68.Ke1 e3 69.Kd1 Kf3 70.Ke1 d2 71.Kd1 Kf2 72.Kc2 Ke1 73.Kd3 e2 74.Ke3 d1Q 75.Kf3 Kf1 76.Kg3 e1Q 77.Kh2 Qh5 (77...Qh4) 0–1. melr11 – Chairboy, ChessWorld.net, 2005.

6.h3 a5 7.b5 Nbd7 8.d4 Re8 9.e3 c5 10.bc6 bc6 11.Be2 Rb8 12.Rb1 e5 13.0–0 ed4 14.Nd4 Qc7 15.Ba3 Rb1 16.Qb1 Ba6 17.Qd1 Ne5 18.c5 Be2 19.Qe2 d5 20.Bb2 Nfd7 21.Na4 Nc4 22.Rd1 f5 23.Qc2 f4 24.ef4 Nb2 25.Nb2 Qf4 26.Nc6 Qc7 27.Na5 Qa5 28.c6 Nb6 29.c7 Rc8 30.Nd3 Qa7 31.Qc6 Qc7 32.Qe6 Kf8 33.Nb4 d4 34.Re1 Nd7 35.Nd5 Qc6 36.Qc6 Rc6 37.Nb4 Rc4 38.Nd3 Nc5 39.Nc5 Rc5 40.Rd1 Rc2 41.a4 Ra2 42.Kf1 Ra4 43.Rd2 Ke7 44.Ke2 Kd6 45.Rc2 h6 46.h4 Be5 0–1. Comet B50 – Fritz 6, 2003.

6.d4 Bf5

7.e3 Nc6 8.a3 e5 9.Nd5 e4 10.Nf6 Qf6 11.Nd2 Qg5 12.b5 Nb8 13.h4 Qe7 14.h5 a6 15.b6 cb6 16.Qb3 Nd7 17.Be2 Qg5 18.g4 Bg4 19.Ne4 Qe7 20.Bg4 Qe4 21.f3 Qc6 22.hg6 fg6 23.Be6 Kh8 24.Bd5 Qc7 25.Be4 Rae8 26.Bg6 Re6 27.Bh7 Rh6 28.Rh6 Bh6 29.Be4 Nf6 30.d5 Kg8 31.Bf5 Qc5 32.Be6 Kh8 33.Bd4 Qa5 34.Ke2 b5 35.Rh1 bc4 36.Qb7 Qd2 37.Kd2 Rf7 38.Qf7 c3 39.Kc3 a5 40.Bf6 1–0. Fritz 8 – Doctor? 3.0, 2003.

7.e3 Nc6 8.a3 e5 9.Nd5 e4 10.Nf6 Qf6 11.Nd2 Qh4 12.g3 Qe7 13.Bg2 a6 14.g4 Qg5 15.Ne4 Qg4 16.Qg4 Bg4 17.c5 f5 18.Ng5+/– Nd8 19.h3 Bh5 20.Bd5 Kh8 21.Rg1 dc5 22.bc5 h6 23.Ne6 Ne6 24.Be6 Rae8 25.Bd5 f4 26.e4 c6–+ 27.Bc4 Re4 28.Kd2 Rd4 29.Bd4 Bd4 30.Rab1 Bf2 31.Rgf1 Rd8 32.Kc2–/+ Bc5 33.Rb7 g5 34.Ba6 Ba3 35.Bd3 Kg8 36.Rc7 c5 37.Ra1+– Bb4 38.Ra6?? Bd1?? 39.Kc1 Bc3?? 40.Bc4 Kf8 41.Rf7 Ke8 42.Rg6 Bd2 43.Kd1 Bb4 44.Kc2 Rd2 45.Kc1 Rd5 46.Bd5 Ba3 47.Kc2 c4 48.Rg8 Bf8 49.Rgf8 1–0. Fritz 8 – Doctor? 3.0, 2004.

6.g3 b6

7.Bg2 Bb7 8.0–0 c5 9.b5 a6 10.a4 ab5 11.ab5 Nbd7 12.Ra8 Qa8 13.Qc2 Qb8 14.Ra1 Qc7 15.Ra7 Ra8 16.Qa4 Ra7 17.Qa7 Qb8 18.Qb8 Nb8 19.d3 d5 20.Nd2 e6 21.cd5 Nd5 22.Nd5 Bd5 23.Bg7 Kg7 24.Bd5 ed5 25.e4 d4 26.Nc4 Nd7 27.Kf1 Kf6 28.Ke2 Kg5 29.h3 h5 30.f3 h4 31.g4?? Kf4+= 32.Kf2 f5 33.Nd6?? fe4–/+ 34.fe4 Ne5 35.Nc8 Nd3 36.Ke2 Ke4 37.Nb6 Nf4 38.Kf1? Nd5 39.Nc4 d3 40.Nd2?? Ke3 41.Ke1 Nb6 42.Nf1 Kf3 43.Kd2 Kg2 44.Ne3 Kh3 45.Kd3 Kg3 46.Kd2 h3 47.Nf1 Kg2 48.Ne3 Kg1 49.Nd1 h2 50.Nf2 Kf2 51.Kd3 h1Q 52.Kc3 Qd1 53.Kb2 Ke2 54.Kc3 Qd3 55.Kb2 Kd2 56.Ka1 Qb3 57.g5 Qb5 58.Ka2 Kc2 59.Ka3 (59.Ka3 Qb3#). kannisogoet – bspasski, kurnik, 2012.

7.Bg2 Bb7 8.0–0 Nbd7 9.a4 e5 10.d3 Nh5 11.a5 f5 12.ab6 ab6 13.Nb5 e4 14.Bg7 Ng7 15.Ra8 Ba8 16.de4 Be4 17.Nfd4 Bg2 18.Kg2 Ne5 19.Qb3 Qd7 20.c5 Kh8 21.cd6 cd6 22.Rc1 Qb7 23.f3 d5 24.Rc7 Qa6 25.Qd5 Qa2 26.Qe5 Qf7 27.Rf7 1–0. racvac001 (1665) – 1990lady (1675), kurnik, 2012.

7.Bg2 Bb7 8.0–0 e6 9.e3 Nc6 10.b5 Ne7 11.d4 Rb8 12.a4 a6 13.Qe2 ab5 14.ab5 Ra8 15.Ra8 Ba8 16.Ra1 Bf3 17.Bf3 Qc8 18.Ra8 Qd7 19.Ra3 c6 20.Qd1 cb5 21.cb5 Ned5 22.Nd5 Nd5 23.Qb3 Nf6 24.Ra8 d5 25.Rf8 Bf8 26.Qa4 Qc7 27.Be2 Ne4 28.Bd1 Nc3 29.Qc2 Bb4 30.Qb3 Qc4 31.Bc2 Ne2 32.Kg2 Qb3 33.Bb3 Ba5 34.Kf3 Nc3 35.Bc3 Bc3 36.Kf4 Ba5 37.Ke5 Kg7 38.e4 de4 39.Ke4 Kf6 40.f3 h6 41.g4 Ke7 42.d5 ed5 43.Kd5 Kf6 44.Ke4 Kg7 45.Bc4 f6 46.Bd3 g5 47.Kf5 Bc3 48.h3 Be5 49.Ke6 Kf8 50.Kd7 Bd4 51.Kd6 Kf7 52.Bf5 Bc5 53.Kc6 Ke7 54.Kd5 Kf8 55.Bg6 Kg7 56.Bf5 Kf8 57.Bc8 Ke7 58.Be6 Kf8 59.Bf5 Kg7 60.Be4 Kf8 61.Bd3 Ke7 62.Bc2 Kf8 63.Bb1 Kg7 64.Ba2 Kf8 65.Bb3 Kg7 66.Bc4 Kf8 67.Ke6 Kg7 68.Kd7 Kf8 69.Ke6 Kg7 70.Kd5 Kf8 71.Ke4 Kg7 72.Kd3 Kf8 73.Ke4 Ke7 74.Kd3 Kd6 75.Kc2 Ke5 76.Kd2 Kf4 77.Ke2 Kg3 78.Be6 Kh3 79.Bf5 Kg3 80.Be4 Kf4 81.Kf1 Kg3 82.Bd5 Kh4 83.Bc6 h5 84.gh5 Kh5 85.Kg2 Kh4 86.Kh2 f5 87.Kg2 g4 88.fg4 fg4 89.Kf1 g3 90.Kg2 Kg4 91.Bb7 Kf4 92.Bc6 Ke3 0–1. kannisogoet – valonk, kurnik, 2012.

5.Nc3 a5

6.a3 ab4 7.ab4 Ra1 8.Qa1 0–0 9.Nd5 e5 10.Qa5 Nc6 11.Qb5 e4–/+ 12.Nd4 Ng4–+ 13.Nc6 bc6 14.Qc6 Bb2 15.e3 Bf5 16.Be2 Be5 17.h3 Nf6 18.Nc7 Bd7 19.Qb6 Ne8 20.Nd5 Qg5 21.g3 Kg7 22.Qa7 Qd8 23.d4 ed3 24.Bd3 Nf6 25.Nf6 Bf6 26.Ke2 Qe7 27.f3 Re8 28.Kf2 Bc3 29.b5 Kf8 30.h4 Kg8 31.Rd1 h6 32.Be4 Qe6 33.Rd3 Be5 34.g4 Bc8 35.b6? Qc4–+ 36.Rd1 Bg4 37.Rg1 Bh3 38.Rh1 Be6 39.Rg1 d5 40.Rg6 fg6 41.Bg6 Qh4 (42.Ke2 Qh2 43.Kd1 Bc3 44.Qf7 Bf7 45.Bf7 Kf7 46.Kc1 Qd2 47.Kb1 Qb2) 0–1. Comet B50 – Crafty 19.01, 2004.

6.Qa4 Nbd7 7.e3 0–0 8.ba5 c5 9.Qb3 Ra5 10.Be2 Nb6 11.0–0 d5 12.cd5 Bf5 13.Rfc1 Bc8 14.e4 Nh5 15.Ng5 Nf4 16.Bf3 h6 17.Nh3 Nh3 18.gh3 Bh3 19.Bg2 Bd7 20.d3 Qc7 21.Rab1 Be5 22.h3 Bf4 23.Rd1 e6 24.Kf1 Na4 25.Ba1 Qd6 26.Ne2 Rb5 27.Qc4 Rb1 28.Rb1 b5 29.Rb5 Bb5 30.Qb3 Bd7 31.Nf4 Qf4 32.Qd1 ed5 33.ed5 Re8 0–1. Comet B50 – Crafty 19.01, 2003.

6.b5 0–0

7.d4 c5 8.dc5 dc5 9.Qd8 Rd8 10.Na4 Nbd7 11.Rd1 Ne4 12.Ne5 Be5 13.Be5 Re8 14.Bc7 Ng5 15.Nc3 Nf6 16.g3 Ne6 17.Bb6 Nd7 18.Nd5 f5 19.Bc7 g5 20.Bg2 Nd4 21.e3 e6? 22.Nb6+– Nb6 23.Bb6 Nc2 24.Kd2 Nb4 25.a3 e5 26.ab4 cb4 27.Bd5 Be6 28.Bb7 Bc4 29.Ba8 Ra8 30.Rc1 Bd5 31.Rhg1 a4 32.Bc5 b3 33.Ba3 Rb8 34.Rc5 Rd8 35.Kc3 Kf7 36.Rd1 Ke6 37.g4 fg4 38.e4! (38...Be4 39.Rd8+–) 1–0. Fritz 8 – Crafty 19.01, 2004.

7.d4 c5 8.dc5 dc5 9.Qd8 Rd8 10.Na4 Nbd7 11.Rd1 Ne4 12.Bg7 Kg7 13.Ne5 Kf6 14.Nd7 Bd7 15.f3 Nd6 16.e3 Rac8 17.Nb6 Rb8 18.Rd5 Ke6 19.g3 Bc6= 20.Bh3 f5–/+ 21.bc6 bc6 22.Rd6?? ed6–+ 23.Bf5 gf5 24.a4 Rb6 25.Kd2 Rb4 26.Ra1 0–1. Fritz 5.32 – Fritz 6, 2004.

7.d4 c5 8.dc5 dc5 9.Qd8 Rd8 10.Na4 Nbd7 11.Rd1 Re8 12.e3 e5 13.Be2 b6 14.Rd6+= Bf8? 15.Rf6!+– Nf6 16.Nb6 Rb8 17.Nc8 Rbc8 18.Ne5 Bg7 19.Nc6 Ne4 20.Bg7 Kg7 21.g4 Nc3 22.Bf3 Na2 23.0–0 a4 24.Ra1 Nc3 25.Ra3 Ne4 26.Ra4 h6 27.Ra7 Kf8 28.Kg2 Re6 29.h4 Ke8 30.Re7 Re7+/– 31.Ne7 Ke7 32.Be4 Rb8 33.Kg3 h5 34.gh5 gh5 35.Kf4 Rb6 36.Ke5 Rd6 37.Bd5 f6 38.Kf5 Rb6 39.f4 Rb8 40.e4 Rh8 41.b6 Rb8 42.b7 Rf8 43.e5 fe5 44.Ke5 Kd7 45.f5 Re8 46.Kf6 Kd6 47.Kg7 Rd8 48.f6 Re8 49.f7 Rd8 50.f8Q Rf8 51.Kf8 Kc7 1–0. Crafty 19.01 – EXchess 3.11, 2004.

7.d4 c5 8.dc5 dc5 9.Qd8 Rd8 10.Na4 Nbd7 11.Rd1 Re8 12.Ne5 Ne5 13.Be5 Be6 14.Nc5 Bc4 15.e3 Ba2 16.Nb7 a4 17.Ra1 Bd5 18.Nc5 Rec8 19.Na6 Ne4 20.Bg7 Kg7 21.b6 Bb7 22.Nc7 Ra5 23.f3 Nc5 24.g3 Bf3 25.Rg1 Rb8 26.Bc4 Be4 27.Rf1 e6 28.Ra2 Rb6 29.Ne8 Kf8 30.Nf6 Rb4 31.Be2 h6 32.Kd2 a3 33.Bf3 Bb1 34.Rb1 Rb1 35.Be2 Rb2 36.Rb2 ab2 37.Kc2 Na4 38.Bc4 Rf5 39.Ne4 Rf3 40.Nd2 Rf2 0–1. Fritz 8 – Crafty 19.01, 2003.

5.Nc3 Nc6

6.b5 Ne5

7.e3 Nf3 8.Qf3 a6 9.Ne4 e5 10.Nf6 Qf6 11.Qf6 Bf6 12.a4 ab5 13.cb5 Be6 14.a5 Kd7 15.f4 Rhb8 16.fe5 de5 17.Be2 h6 18.Rf1 Bh8 19.d4 e4 20.Kd2 Bg7 21.Bc3 Bf8 22.a6 ba6 23.ba6 Ra7 24.h4 f5 25.h5 gh5 26.d5 Bd5 27.Rf5 Ke6 28.Raf1 Bb4 29.Rf6 Ke7 30.Rh6 Bc3 31.Kc3 Rg8 32.Rf2 Rg5 33.Bh5 Ra6 34.Ra6 Rh5 35.g4 Rh3 36.Kd4 c6 37.Ke5 Rf3 38.Ra7 Kf8 39.Rb2 Rf7 40.Rbb7 Rb7 41.Rb7 Kg8 42.g5 Kf8 43.Kf6 Ke8 44.g6 Kd8 45.g7 Bg8 46.Rb8 Kd7 47.Rg8 1–0. Fritz 8 – Fritz 6, 2003.

7.e3 Bg4 8.Be2 Bf3 9.gf3 0–0 10.d4 Ned7 11.Ne4 a6 12.a4 Ne4 13.fe4 f5 14.Bf3 fe4 15.Be4 Nc5 16.Bg2 e6 17.Qc2 Qg5 18.0–0+/– Nd7 19.f4 Qg4 20.h3 Qg3 21.Rf3 Qh4 22.Qe4 Nc5 23.dc5 Bb2 24.Qe6 Rf7 25.Rd1 ab5 26.ab5 Ba3 27.b6 cb6 28.cd6 Qh5 29.d7 Rd8 30.Rd5 Qh4 31.e4 Bc5 32.Kh2 Qe1 33.Rf1 Qh4 34.Rd3 Bf2 35.f5 Kg7 36.Rf3 Bd4 37.f6! Kg8 38.Qe8 Rf8 39.Qe7 Qh6 40.f7 Kg7 41.Rd3 Bb2 42.e5 Qh5 43.Qf6 Kh6 44.Re1 b5 45.Bf3 Rf7 46.Qd8 (46...Be5 47.Kg2+–) 1–0. Fritz 8 – Comet B25, 2004.

7.e3 Bg4 8.Be2 Bf3 9.gf3 Ned7 10.d4 e5 11.0–0 ed4 12.Qd4 0–0 13.Rfb1 Re8 14.Nd5 Nh5 15.Qd1 Bb2 16.Rb2 Nhf6 17.a4 Nb6 18.Nc3 Nbd7 19.a5 Nc5 20.Qd4 Ne6 21.Qh4 Nd7 22.Qd8 Rad8 23.Nd5 a6 24.Rd1 ab5 25.cb5+/– c6 26.bc6 bc6 27.Nb4 Nb8 28.a6 Rd7 29.Ra2 Ree7 30.Nc2 Ra7 31.Rd6 Red7 32.Rd7 Nd7 33.Nb4 Ne5 34.f4 c5 35.fe5 cb4 36.Rb2 Nc5 37.Rb4 Na6 38.Ra4 Re7 39.Ba6 Re5 40.Bc4 Kf8 41.h3 h5 42.Kg2 h4 43.Kf3 Rf5 44.Ke2 g5 45.Ra7 Rf6 46.Bd5 Kg7 47.Rd7 Kf8 48.e4 Rf4 49.Ke3 Ke8 50.Rc7 f6 51.Bc6 Kd8 52.Rd7 Kc8 53.Rf7 Kd8 54.Bd7 Kc7 55.Bf5 (55...Kd8 56.Rf6+–) 1–0. Fritz 8 – EXchess 3.11, 2004.

7.Ne5 de5 8.Na4 Qd6 9.c5 Qd5 10.Qb3 Qb3 11.ab3 Ng4 12.h3 Nh6 13.Nc3 Be6 14.g4 0–0 15.Bg2 Rfb8 16.c6 b6 17.Bd5 Bc8 18.Bc4 e6 19.Ne4 Kh8 20.f3 Kg8 21.0–0 Kh8 22.Ng5 Kg8 23.Kg2 Bh8 24.f4 ef4 25.Bh8 Kh8 26.Rf4 f5 27.Be6 fg4 28.hg4 Be6 29.Ne6 Rc8 30.Rh1 g5 31.Rd4 Ng8 32.Rd7 h6 33.Ng5 Ne7 34.Re7 Rd8 35.Rh6 Kg8 36.Rg6 Kf8 37.Rf7 Ke8 38.Rg8 1–0. Comet B50 – EXchess 3.11, 2003.

6.d4 Nb4

7.Qa4 Nc6 8.d5 Bd7 9.dc6 Bc6 10.Qb3 0–0 11.Rd1 e6 12.Ne5 Rb8 13.Qa3 Qe8 14.Nc6 Qc6 15.Qa7 Ng4 16.Qa5 Ne5 17.Qb5 Qc4 18.Rd2 Qb5 19.Nb5 Rfc8 20.e3 Ra8 21.a3 Nd7 22.Bg7 Kg7 23.h4 Nc5 24.h5 h6 25.hg6 fg6 26.Bd3 Ra5 27.Be2+/– Raa8 28.g4 e5 29.f4 ef4 30.ef4 Ne4 31.Rd3 Ra5 32.Nd4 Nc5 33.Rdh3 Re8 34.Rh6 Nd3 35.Kd2 Nf4 36.Rh7 Kf6 37.g5 Kg5= 38.Bc4 Re4?? 39.Rg1+– Ng2 40.Rg2 Rg4 41.Ne6 Kf5 42.Rf7 (42...Ke5 43.Rg4+–) 1–0. Fritz 8 – Comet B50, 2004.

7.Qa4 Nc6 8.d5 Bd7 9.dc6 Bc6 10.Qb3 0–0 11.Nd4 Qd7 12.Nd5 Ne4 13.Qc2 f5 14.Rb1 e5 15.Nc6 bc6 16.Qa4 Nc5 17.Qc6 Qc6 18.Ne7 Kf7 19.Nc6 a5 20.Ba3 Ra6 21.Bc5 dc5 22.Nb8 Rd6 23.e4 fe4 24.Rb7 Kg8 25.a4 h5 26.Be2 Kh7 27.h4 Kg8 28.g4 Rb6 29.Rb6 cb6 30.Nc6 hg4 31.Bg4 Rf4 32.Be6 Kh7 33.Ne7 Bf6 34.Nd5 e3 35.fe3 Bh4 36.Kd1 Rc4 37.Nf6 Kg7 38.Ne8 1–0. Fritz 8 – Comet B50, 2003.

5.d3 0–0

6.Qc2 e5 7.Nbd2 Nc6 8.a3 Bf5 9.g3 Qe7 10.Bg2 e4 11.de4 Ne4 (11...Ne4 12.Bg7 Kg7+=). Miemelt,Bernd – Davidson,Eric, OP–2010–0–01362, 2011.

6.Nbd2 a5 7.b5 c6 8.a4 c5 9.g3 b6 10.Bg2 Bb7 11.0–0 Nbd7 12.Qc2 Re8 13.d4 Ra7 14.d5 Nf8 15.e4 Bc8 16.Nh4 e6 17.Ra3 g5 18.Nhf3 h6 19.e5 de5 20.Ne5 ed5 (better is 20...Bd7!? 21.Rd1 ed5 22.cd5 g4+/–) 21.Nc6+– Qc7 22.Na7 Qa7 23.cd5 Qd7 (23...Rd8 24.Nc4+–) 24.Nc4 Nd5 (24...Qd8+–) 25.Bg7 Kg7 26.Rd3 Qf5 (26...Qc7 27.Bd5 Ne6 28.Qc3 Nd4 29.Rd4 cd4 30.Qd4 f6 31.Nb6+–) 27.Nd6 (27.Nd6 Nf6 28.Nf5 Bf5 29.Qc3 Bd3 30.Qd3+–) 1–0. Mehlhorn,Uwe (2125) – Haus,Volker, Kassel op, 1995. (=1.c4 Nf6 2.Nf3 d6 3.b4 g6 4.Bb2 Bg7 5.d3 0–0)

6.g3 c6 7.Bg2 Nbd7 8.0–0 Rb8 9.Nbd2+= Qc7 10.Qc2 b6 11.Nd4 Bb7 12.b5 c5 13.Nc6 Rbe8 14.a4 (14.Qa4 e6+/–) 14...Nb8 15.Nb8 Qb8 16.a5 Bg2 17.Kg2 Qb7 18.Kg1 Ra8 19.Bc3 h5 (19...d5 20.cd5 Nd5 21.Bg7 Kg7 22.Nc4+=) 20.Ra3 d5 21.cd5 Nd5 22.Bg7 Kg7 23.Qb2 f6 24.Rfa1 h4 25.gh4 Nb4 26.Nf3 Rh8 27.ab6 ab6 28.Ra8 Ra8= 29.Ra8 Qa8+= 30.Qc2 ½–½. Jessel,Stephen (2295) – De Lillo,Michele (1915), 7th Gibtelecom Masters, Caleta ENG, 2009.

6.h3 a5 7.b5=.

6.h3 b6 7.b5 (7.g4 Bb7=) 7...Bb7 (7...a6 8.e3=+) 8.e4= e5 9.Be2 Nbd7 10.Ba3 (10.Nc3 a6=) 10...Nc5 11.Bc5 bc5 12.Nbd2 c6 13.a4 a6 14.Qb1 (14.bc6 Bc6 15.0–0–/+) 14...cb5–/+ 15.ab5 Qb6 (15...ab5!? 16.cb5 d5–/+) 16.0–0 (16.ba6 Ra6 17.0–0 Rb8=) 16...a5 17.Ra4 Ra7 18.Nb3 (18.Qa2 Nh5=) 18...Rfa8 (18...Nh5 19.Qa2=) 19.Qc1 Nd7 20.Qd2 The pressure on the isolated pawn grows 20...Qd8 (20...f5 21.ef5 gf5 22.Nh4+=) 21.Rfa1+– Nb6 22.Ra5 Ra5 23.Ra5 Ra5 24.Qa5 h6 (24...Qc7 25.Qa7 Nc8 26.Qa2+–) 25.Qa7 Ba8 26.Na5 Bf6 27.Bd1 h5 28.Nc6 Bc6 29.bc6 Na8 30.h4 Nc7 31.g3 Kf8 32.Nd2 Ne6 33.Nb3 Qc7 (33...Nc7 34.Na5 Be7 35.Bf3+–) 34.Qb7 (34.Qc7 Nc7 35.Nd2 Bd8+–) 34...Kg7 (34...Qd8 35.Bf3+–) 35.Kg2 (35.Bf3 Qd8+–) 35...Bd8 36.Qc7 Nc7 37.Nc1 Ne6 38.Ne2 Nd4 39.Nd4 cd4 40.Kh3 Kf8 41.g4 (41.f3 Kg7+–) 41...hg4 42.Bg4 Ke8 43.Bd7 Ke7 44.Kg4 Kf6 ½–½. petrobbo (1985) – zaynar (2080), ChessWorld.net, 2010.

6.Nbd2 Nbd7

7.Qc2 c5 8.bc5 Nc5 9.g3 Bf5 10.Bg2 a6 11.0–0 Rb8 12.Nd4 Bd7 13.e4 e5 14.N4b3 Nb3 15.ab3 Bc6 16.Rfe1 Bd7 17.Nf3 Qc8 18.d4 Re8 19.de5 de5 20.Be5 Bh3 21.Bb8 Bg2 22.Kg2 Qb8 23.Rad1 Qc7 24.e5 Ng4 25.Qe4 h5 26.h3 Nh6 27.Qd5 Nf5 28.e6 fe6 29.Re6 Re6 30.Qe6 Kh7 31.Rd7 Qa5 32.g4 hg4 33.hg4 Nh6 34.Qe7 1–0. sagonek – wojtek0805, kurnik, 2012.

7.g3 b6 8.Bg2 Bb7 9.0–0 Re8 10.a4 a5 11.ba5 Ra5 12.Nb3 Ra7 13.a5 Qa8 14.Bc3 e5 15.ab6 cb6 16.e4 Bc6 17.Bb4 Nc5 18.Nc5 bc5 19.Bc3 Rb8 20.Nd2 Nd7 21.Ra7 Qa7 22.Qa1 Ra8 23.Qa7 Ra7 24.Ra1 ½–½. Kaspret,Guido (2305) – Wittmann,Walter (2400), AUT–chT Austria, 1993.

7.g3 c5 8.bc5 Nc5 9.Bg2 Bd7 10.0–0 Na4 11.Rb1 Nb2 12.Rb2 Rb8 13.Qb1 b5 (13...Qc7 14.d4=) 14.Rc1 (14.cb5 Qe8=) 14...bc4 15.Nc4 Nd5 (15...Rb2 16.Qb2 Qb8 17.d4=) 16.Rb8 Qb8 17.Qb8 Rb8 18.Nfe5 Be6 19.Nc6 Rb7 (19...Nc3 20.Re1 (20.Ne7? Kf8 21.Nc6 Ne2 22.Kf1 Nc1 23.Nb8 Nd3–+) 20...Rb7 21.a3+=) 20.Nd8 (20.d4 Nb4 21.a3 Nc6 22.Bc6 Rb3=) 20...Rb8 21.Ne6= fe6 22.Bd5 ed5 23.Ne3 e6 24.Rc6 Rb6 25.Rc8 Bf8 26.Ng4 Rb2 27.Rc7 Bg7 28.Rc8 Bf8 29.Rc7 Bg7 30.Rc8 Bf8 ½–½. Ilic,Z3 (2360) – Balov,D (2160), Stip, 2002.

7.g3 e5 8.Qc2 c5 9.a3 b6 10.Bg2 Bb7 11.0–0 Qe7 12.Ne1 Bg2 13.Ng2 Rfe8 14.Ne4 Rac8 15.b5 d5 16.Nf6 Nf6 17.cd5 Nd5 18.e4 Nc7 19.a4 Qd7 20.Ra3 h5 21.Ne3 Rcd8 22.Nc4 White plans a5 22...Qh3 23.f3 Rd7 24.Rb3 Ne6 25.a5 (25.Be5? Be5 26.Ne5 Nd4 27.Nd7 Nc2 28.Nf6 Kf8 29.Ne8 Nd4–+; 25.Ne5?! Nd4 26.Bd4 Rd4=) 25...ba5 26.Ne5 (26.Be5? Be5 27.Ne5 Nd4 28.Nd7 Nc2 29.Nf6 Kf8 30.Ne8 Nd4–+; 26.Na5?! h4 27.Qf2 f5=) 26...Rb7 27.Ba1 (better is 27.Nc6!?+=) 27...h4+= 28.Qg2 Qg2 29.Kg2 hg3 30.hg3 Nc7 31.Nc4 Rb5 32.Rb5 Nb5 33.Bg7 Kg7 34.Ra1 Rd8 35.Ra5 a6 36.Nb2 Rd6 37.Kf2 c4 (better is 37...g5=) 38.Nc4+/– Rd3 39.Ra6 Nd4 40.Ne5 Rb3 41.Ra7 Kf6 (better is 41...Kg8+–) 42.f4 (42.Nf7?! Rf3 43.Kg2 Rc3+/–) 42...Ke6 43.Nf7 (43.Nf7 Rb6 44.Ke3+–; 43.Rf7?! Rb2 44.Ke3 Nc6+–) 1–0. Cruz Alvarez de Ron,D (2240) – Serrano Marhuenda,S (2185), Benidorm op–A, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d3 0–0 6.Nbd2 Nbd7)

6.Nbd2 e5

7.e3 Nc6 8.b5 Ne7 9.Be2 Bf5 10.0–0 c6 11.bc6 bc6 12.c5+/– dc5 13.Ne5 Nd7 14.Nd7 Qd7 15.Bg7 Kg7 16.Nb3 c4 17.dc4 Rfd8 18.Qe1 Qd6 (18...Qc7 19.Qc3 f6 20.Rad1+/–) 19.Qa5+– Qf6 20.Nd4 (20.Rfd1 Rd1 21.Rd1 Bc2+–) 20...h5 21.Rad1 Bg4? 22.Bg4 hg4 23.Ne6!! Qe6 24.Rd8 Rd8 25.Qd8 Nf5 26.Rc1 Qe5 27.Qd1 Qe4 28.Qc2 Qe6 29.c5 Nh4 30.Qc4 Qf5 31.h3! Ng2 32.Qg4 Qg4 33.hg4 (33.hg4 Nh4 34.Rd1+–) 1–0. Adamski – Sadowski, Warszawa, 1992.

7.e3 Nc6 8.b5 Ne7 9.Be2 h6 10.0–0 a6 11.a4 Be6 12.Qc2 Qd7 13.d4 ed4 14.Nd4 Bg4 15.Bg4 Qg4 16.a5 Rfe8 17.b6 Rac8 18.Rfd1 d5 19.h3 Qh4 20.bc7 Rc7 21.N4f3 Qh5 22.Be5 Rc6 23.Rab1 Nc8 24.Qb2+/– dc4 25.Qb7 Ne7 26.Rdc1 Re6 27.Nc4 Nc6 28.Bc3 R8e7 29.Qa6+– Nd4 30.Qc8 Re8 31.Qe8 Re8 32.Bd4 Ra8 33.Nfe5 Ne4 34.Rb7 f6 35.Ng4 Qd5 36.Rc7 Ra6 37.Rb1 Qd8 38.Rbb7 Bf8 39.Rd7 Qc8 40.Rbc7 Qe8 41.Nb6 h5 42.Rc8 Qc8 43.Nc8 hg4 44.Ne7 Kf7 45.Nd5 Ke6 46.Rd8 Ra5 47.Rf8 Kd5 48.f3 gf3 49.gf3 Ng5 50.Rf6 Ra2 51.h4 Nh3 52.Kf1 Rf2 53.Ke1 Rg2 54.h5 gh5 55.Rf5 Kc4 56.Rc5 Kb4 57.Rh5 Rg1 58.Ke2 Rg2 59.Kd3 Nf2 60.Kc2 Ne4 61.Kc1 Rg1= 62.Kb2 Rg2 63.Ka1 Rg1 64.Ka2 Rg2 65.Kb1 Rg1 66.Kb2 Rg2 67.Kb1 Rg1 68.Kb2 ½–½. Comet B25 – Fritz 8, 2004.

7.e3 Nbd7 8.Be2 h6 9.0–0 Qe7 10.Qc2 Qe6 11.d4 e4 12.Nh4 Re8 13.d5 Qe7 14.Rad1 Nh7 15.Bg7= Kg7 16.g3 a5 17.ba5 Nhf6 18.Qc3 Kg8 19.Nb3 Ne5 20.Nd4 Bh3 21.Rfe1 Bg4 22.Rb1 Be2 23.Re2 c5 24.dc6 bc6 25.a4 Qc7 26.Nb3 Reb8 27.Rd1 Ra7 28.Red2 d5 29.cd5 Nd5 30.Rd5 cd5–/+ 31.Qc7 Rc7 32.Rd5 Rb3 33.Re5 Rb4 34.Re8 Kg7 35.Kg2 Ra4 36.g4 Ra7 37.f3 ef3 38.Kf3 R7a5 39.Rd8 Ra1 40.Rd7 R5a2 41.h3 Kf6 42.Rd6 Ke5 43.Rd4 Rf1 44.Kg3 Rg1 45.Kf3 g5 46.Nf5 Rf1 47.Kg3 h5 48.Rd8 h4 49.Nh4 Rg1 50.Kf3 gh4 51.Re8 Kf6 52.Rc8 Rg3 (53.Kf4 Rf2 54.Ke4 Rh3–+) 0–1. Crafty 19.01 – Fritz 8, 2004.

7.e3 Be6 8.Be2 Na6 9.a3 c5 10.b5 Nc7 11.Ng5 a6 12.Ne6 fe6 13.ba6 Ra6 14.0–0 Nd7 15.Bf3 d5 16.cd5 ed5 17.Rc1 b5 18.Bg4 Rc6 19.Nf3= Re8 20.Qc2 c4 21.h3 Nc5=+ 22.dc4 bc4 23.Nd2 Nd3 24.Rb1 Nb2 25.Rb2 e4 26.Rb7 h5 27.Be2 Qa8 28.Rfb1 Qa3 29.R1b6 Rb6 30.Rb6 Qa1 31.Bf1 Re6 32.Rb8 Kh7 33.Rc8 Rc6 34.Nb1 Qb2 35.Qb2 Bb2 36.Kh2 c3 37.Nc3 Bc3 38.f3 Rc5 39.fe4 de4 40.g4 Be5 41.Kg1 h4 (42.Bg2 Rc1 43.Kf2 Bg3 44.Ke2 Rc2 45.Kf1 Rf2 46.Kg1 Re2 47.Be4 Re1 48.Kg2 Re3–+) 0–1. Crafty 19.01 – Doctor? 3.0, 2004.

7.e3 Bg4 8.Be2 a5 9.h3 Bf3 10.Bf3 ab4 11.Bb7 Ra7 12.Bf3 Qd7 13.0–0 Nc6 14.d4 Re8 15.d5 Ne7 16.a3 ba3 17.Ra3 Ra3 18.Ba3 Ra8 19.Bb2 c6 20.dc6 Nc6 21.Ne4 Ne4 22.Be4 Qc7 23.Bc3 Bh8 24.Qf3 Ra3 25.Bc6 Rc3 26.Rb1 Rc4 27.Rb7 Rc6 28.Rc7 Rc7 29.Qd5 Rd7 30.Qa8 Kg7 31.Qc6 Ra7 32.Qd6 f6 33.g4 h5 34.g5 Kf7 35.Qd5 Kg7 36.gf6 Kf6 37.f4 Re7 38.Qd8 Bg7 39.fe5 Ke6 40.Qd3 Ke5 41.Qg6 h4 42.Qh5 Kd6 43.Qd1 Kc5 44.Qc2 Kd6 45.Qd3 Ke6 46.Qc4 Kd6 47.Qb4 Ke6 48.Qh4 Be5 49.Qc4 Kf6 50.h4 Bg3 51.Qc6 Re6 52.Qf3 Kg7 53.Qg3 Rg6 54.Qg6 Kg6 55.Kf2 Kf5 56.Kf3 Kg6 57.e4 Kh5 58.Kg3 Kg6 59.Kg4 Kf7 60.Kf5 Kf8 61.e5 1–0. Crafty 19.01 – EXchess 3.11, 2003.

7.e4 Na6 8.b5 Nc5 9.Be2 a6 10.Qc2 ab5 11.cb5 Bd7 12.a4 b6 13.0–0 Nh5 14.d4 ed4 15.Bd4 Nf4 16.Bc4 Bd4 17.Nd4 Bh3 18.Ne2 Ng2 19.Qc3 Qg5 20.Qg3 Qg3 21.hg3 Ne3 22.fe3 Bf1 23.Kf1 Ra4 24.Ra4 Na4 25.Nf4 Kg7 26.Nd5 Rc8 27.Ke2 Nc5 28.Kf3 Nd7 29.Kf4 h5 30.Nf3 f6 31.Ne7 Re8 32.Nd5 Nc5 33.Nd4 Rc8 34.Kf3 Nd7 35.Nc6 Kh6 36.Nde7 Re8 37.Ke2 Ne5 38.Bd5 Nc6 39.Nc6 Kg5 40.Nd4 Re7 41.Kf3 Rd7 42.Ne6 Kh6 43.Kf4 Rf7 44.Bc4 Re7 45.Bd5 Rd7 46.Nd4 Rh7 47.Kf3 Re7 48.Nc6 Rd7 49.Kf4 Rh7 50.Nd4 Rg7 51.Bb3 Re7 52.Bc4 Kg7 53.Bd5 g5 54.Kf3 Kg6 55.Be6 Re8 56.Bd7 Rf8 57.Ne6 Rh8 58.Nc7 Kf7 59.Nd5 Rb8 60.Bf5 Rb7 61.Bc8 Rb8 62.Bf5 Rb7 63.Kg2 Rb8 64.Kh2 Rb7 65.Kg2 Rb8 66.Kh3 Kg7 67.Kg2 Kf7 ½–½. Crafty 19.01 – Doctor? 3.0, 2003.

7.g3 Bd7 8.b5 a6 9.Qa4 c6 10.Qa3 Re8 11.Bg2 cb5–/+ 12.Rb1 Nc6 13.Ng5 b4 14.Qb3 Bh6 15.h4 Qe7 16.Qa4 Nd4 17.Qa5 Bc6 18.e4 Ng4 19.Bd4= ed4 20.Qb4 Ne5 21.Rb3 Bg5 22.hg5= a5 23.Qa3 a4 24.Rb4 Qg5 25.Nf1 Ng4 26.f4 Ne3 27.fg5= Nc2 28.Kd1 Na3 29.Nd2 b5=+ 30.Nf3 bc4 31.Rb6 Rac8 32.Nd4 Ba8 33.Nc2 Nc2 34.Kc2 d5 35.Rb4 a3 36.Ra4 Re5 37.Ra3 cd3 38.Kd3 de4 39.Ke3 Bd5 40.Rh3 Rc2 41.Bh1 Rb2 42.Kd4? Rg5–+ 43.Ke3 Be6 44.Kf4 Rg4 45.Ke5 Re2 46.Ra8 Kg7 47.a4 Rg5 48.Kd4 Bh3 49.Ra6 Re1 50.Be4 0–1. Comet B25 – Comet B50, 2004.

6.g3 e5

7.Nc3 h6 8.Bg2 c6 9.0–0 Be6 10.b5 Nh5 11.Nd2 f5 12.Qa4 Qd7 13.Rab1 g5 14.Ba1 f4 15.bc6 bc6 16.Qb4 fg3 17.fg3 a5 18.Rf8 Bf8 19.Qb7 Qb7 20.Rb7 Nf6 21.Na4 Nfd7 22.Nb6 (22.Bc3 Be7+/–) 22...Nb6 23.Rb6 d5 24.Kh1 Bc5 25.Rb7 Na6 (25...d4!?+=) 26.Be5+/– Bb4 27.cd5 cd5 28.Rg7 Kf8 29.Rh7 (29.Rg6 Re8 30.Nf3 g4 31.Bg7 Ke7+–) 29...Bg8 30.Rh8 Ke7 (better is 30...Re8!? 31.Rg8! Kg8 32.Bd5 Kf8+/–) 31.Nb3 a4 32.Nd4 Rc8 (32...Bc5+–) 33.Bh3 Rc1 (33...Rf8 34.Nf5 Kd7 35.Bg7+–) 34.Kg2 1–0. Kalista,Karel (1815) – Kubikova,Hana (2195), Plzen KB op–C U18, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d3 0–0)

7.Nbd2 Nc6 8.b5 Ne7 9.Bg2 c6 (9...a6 10.ba6 Ra6 11.0–0=) 10.a4 Bf5 11.0–0 Qd7 (11...Re8 12.bc6 Nc6 13.Rb1=) 12.Qb3 (12.c5 cb5 13.cd6 Qd6 14.Be5 Qd7+/–) 12...e4 (12...Bh3!?=) 13.de4 Ne4 14.Bg7 Kg7 15.Rfd1 Nf6 (15...Nc5 16.Qc3 f6 17.Nd4+=) 16.Qb2+/– Rad8 (16...Rfd8 17.a5+/–) 17.a5 (17.g4 Bg4 18.Ne4 Neg8 19.Rd6 Qe7+/–) 17...d5 (17...Rfe8 18.a6 ba6 19.Ra6 cb5 20.e4+/– (20.Qb5?! Rb8 21.Qd7 Bd7+=; 20.cb5?! Rb8+–)) 18.cd5 Qd5 (18...cd5 19.Nd4+/–) 19.bc6 (19.e4 Qb5 20.Qb5 cb5 21.ef5 Nf5+–) 19...bc6 (better is 19...Qc6 20.Nd4 Qc7+/–) 20.Ng5?? (better is 20.e4 Be4 21.Ne4 Qd1 22.Rd1 Rd1 23.Bf1+–) 20...Qb5 21.Qb5 (21.Qc3 Ned5 22.Bd5 cd5= (worse is 22...Rd5 23.Nge4 Be4 24.Ne4+/–; 22...Qd5? 23.Nde4 Be4 24.Rd5 cd5 25.Qd4+–)) 21...cb5= 22.e4 Bg4 (22...h6 23.ef5 hg5 24.fg6 Kg6 25.Rab1=) 23.f3 Bc8 24.Rac1 a6 (24...h6 25.Nh3=) 25.Bh3 (25.f4 Ng4 26.Rc3 b4+=) 25...Rd3 (25...h6 26.e5 hg5 27.ef6 Kf6 28.Ne4 Kg7 29.Rd8 Rd8 30.Bc8 Nc8 31.Rc6=) 26.Bc8 (26.e5 Nfd5 27.Bc8 Rc8 28.Rc8 Nc8+=) 26...Rc8 27.Rc8 Nc8 28.Kf2 h6–/+ 29.Nh3 Ra3 30.e5 Ne8 31.Ke1 Ne7 32.f4 Ra5 33.Ne4 Ra2 34.Rd2 Rd2 35.Kd2 Nc6 36.Nhf2 Kf8 37.Kc2 Ke7 38.Nd3 a5 39.Ndc5 Nc7 40.h4 Nd5 41.Kd3 a4 42.Nd6–/+ Nc7 43.g4 a3–+ 44.h5 gh5 45.gh5 a2 46.Nb3 Nb4 47.Kd2 Nbd5 48.f5? Nf4 49.Kc2 Nh5 50.Kb2 Ng3 51.Nd4–/+ h5 52.Ka2 h4–+ 53.f6 Kf8 54.Kb3 h3 55.Nf3 Nf1 56.Kb4 h2 57.Nh2 Nh2 58.Nb5 Nb5 59.Kb5 Ng4 60.Kc5 Ne5 61.Kd5 Ng4 62.Ke4 Nf6 63.Kf5 Ke7 64.Kf4 Ke6 65.Kf3 Kf5 66.Kg3 Ke4 67.Kg2 Nd5 68.Kf2 f5 69.Kg2 Ke3 70.Kf1 f4 71.Ke1 f3 72.Kf1 f2 (72...f2 73.Kg2 Ke2 74.Kh3 f1Q 75.Kg4 Ne3 76.Kg5 Qf5 77.Kh6 Qf6 78.Kh7 Nf5 79.Kg8 Qg7#) 0–1. Martinez Pastor,Francisco – Sanchez Lopez,Maria (1870), Madrid ESP, 3rd Gonzalez Mem–B, 2012.

7.Bg2 Nc6 8.b5 Ne7 =.

5.d4 0–0

6.a4 Nbd7 7.d5 c5 (7...a5 8.b5–/+) 8.dc6 bc6 9.e3 a6 (9...Rb8 10.b5–/+) 10.Be2 (10.Nbd2 a5 11.b5 Qc7+=) 10...Qb6 11.Ra2 (11.Bc3!?–/+) 11...Qb4–+ 12.Bc3 Qb6 13.Rb2 Qc7 14.0–0 Nc5 15.Nbd2 Bg4 (15...Bf5 16.Nh4 Bd3 17.Bd3 Nd3 18.Rb1–/+) 16.h3–/+ Bd7 17.Nd4 (better is 17.Qa1!?–/+) 17...Nce4–+ 18.Rc2 (18.Nb1 Rab8 19.Qc1 Nc5–+) 18...Nc3 19.Rc3 c5 20.N4f3 Qa5 (20...Nd5 21.Ra3 Nc3 22.Qe1–+) 21.Ra3 Rab8 22.Qc2 Rb4 23.Nb3 Qc7 (23...Ba4?! 24.Na5 Bc2 25.Nc6–/+) 24.Qa2 (24.Nc1 Rfb8–+) 24...Rfb8 25.Nfd2 (25.Qc2 Ba4 26.Nfd2 Nd7–+) 25...Bc6 (25...Bf5 26.Bf3–+) 26.Bd3 (26.Qc2 Nd7–+) 26...Qd7 (26...Nd7 27.Rb1–+) 27.a5 (27.Qc2 Ba8–+) 27...Qb7 28.f3 Nd7 (28...Bh6 29.Re1–+) 29.Rc1 (29.Be4 Bh6 30.Re1 Be4 31.fe4 Ne5–+) 29...Ne5 (29...Bh6 30.Re1–+) 30.Be2 Bh6 31.f4 (31.Kf2 f5–+) 31...Nd7 (31...Bg2 32.fe5 Be3 33.Kh2 Bf4 34.Kg1 Bh3 35.Bf3–+) 32.g4 Bg7 (32...e5 33.g5 Bg7 34.Rf1–+) 33.Kf2 (33.Qc2 Nf6 34.Rf1 Ne4–+) 33...Nf6 34.Bd1 (34.Bd3 Ne4 35.Be4 Be4–+) 34...Bh1 35.Bf3 (35.Nf3 Ne4 36.Ke1 Bf3 37.Bf3 Rb3 38.Rb3 Qb3 39.Qb3 Rb3 40.Be4 Re3 41.Kf2 Re4 42.Kg3–+) 35...Bf3 (35...Bf3 36.Nf3 Ne4 37.Kg1 Rb3 38.Rb3 Qb3 39.Qb3 Rb3–+) 0–1. Garcia,Cristian Javier (1665) – Adorno,Anibal, VI Copa Latina, 2015.

6.Qb3 c6 7.Nbd2 (7.e3 Na6=) 7...a5 8.a3 (8.ba5 Qa5 9.e3 Ne4=) 8...ab4 9.ab4 Ra1 10.Ba1 Bf5 11.e3 Qb6 (11...d5 12.Be2=) 12.Be2 Na6 (12...Nbd7 13.Bc3=) 13.Bc3+= Ne4 14.Ne4 Be4 15.0–0 Bf5 (15...c5 16.Ng5 Bf5 17.dc5 Nc5 18.Qa3 Bc3 19.Qc3+=) 16.Ra1 Qc7 (16...Ra8 17.b5 Nc7 18.Ra8 Na8 19.Qa4+–) 17.b5 (17.Ra3 e5+–) 17...Nb8 (17...cb5 18.Qb5 Ra8 19.Nd2+=) 18.b6+– Qd7 19.Ra7 c5 20.d5 Bc3 21.Qc3 Na6 22.Nd2 Qd8 (better 22...Rb8!?+–) 23.Rb7+– Bc8 (23...Nb4 24.Qb2+–) 24.Ra7 Qb6 25.Re7 Qb4 (25...Qd8 26.Qf6 Nc7 27.Ne4+–) 26.Ne4 Qc3 27.Nc3 Rd8 28.Ne4 (28.Ra7 Kg7+–) 28...Kf8 29.Ra7 h6 30.h4 Nb4 31.h5 (31.g4 f5 32.gf5 Bf5+–) 31...g5 (31...Bf5 32.Nc3 gh5 33.Bh5 Rd7 34.Ra8 Ke7+–) 32.g4 Ba6 (32...Nc2 33.Kf1 Nb4 34.f4+–) 33.Kg2 (33.f4 gf4 34.g5 Bc8 35.ef4 Bf5+–) 33...Bc8 34.f4 gf4 35.ef4 Nc2 (35...f5 36.Nf6 fg4 37.Kg3+– (37.Bg4?! Bg4 38.Ng4 Nd3+–)) 36.g5 (36.f5 Re8 37.Nd6 Re2 38.Kg3 Re3 39.Kf4 Rd3 40.Rf7 Kg8+–) 36...Re8 37.Bf3 Ne3 38.Kf2 Nc4 39.Nf6 (39.gh6 Bf5 40.Ng5 Kg8 41.Rf7 Rf8 42.h7 Bh7 43.Rf8 Kf8 44.Nh7 Kg7+–) 39...Re7 40.Re7 Ke7 41.Ng8 Kf8 42.Nh6 Nb6 (42...Kg7 43.Ke2+–) 43.Ke2 (43.f5 Bb7+–) 43...Ba6 44.Ke3 Bc8 (44...Nc4 45.Kf2+–) 45.Be4 White prepares the advance g6. White prepares f5 (45.f5 Bb7 46.f6 Nd5 47.Bd5 Bd5+–) 45...Kg7 46.Kd3 (46.Kf3 Nc4+–) 46...Kf8 47.f5 Bb7 (47...Ba6 48.Ke3 f6 49.g6 (49.gf6?! Bc4+–) 49...Nc4 50.Kf4+–) 48.f6 Bd5 (48...Nd5 49.Bd5 Bd5+–) 49.g6 fg6 50.hg6 Bc4 (50...Ke8 51.g7 Ba2+–) 51.Kc3 (better 51.Kc2 Ke8 52.g7+–) 51...Nd5 52.Bd5 (52.Kc4?! Nf6 53.Bf5 Nh5+–) 52...Bd5 53.Nf5 White plans g7 53...Ba2 (53...Be6 54.Nd6 Kg8 55.Kb2+–) 54.Nd6 Be6 (54...Kg8 55.Kb2 Be6 56.Ka3+–) 55.Kd3 (55.Ne4 Kg8 56.Nc5 Bf5+–) 55...Ba2 56.g7 (56.Ke3 Bd5+–) 56...Kg8 57.Ke4 Bb3 (57...Kh7 58.Nb7 c4 59.Nd6+–) 58.Ke5 Ba2 59.Nf5 Kh7 (59...Kf7+–) 60.Kd6 Kg6 61.Ke7 Bd5 (61...Kf5 62.f7 Bf7 63.Kf7 Ke4+–) 62.Nh4 (62.Nh4 Kh5 63.Ng2+–) 1–0. Manelis,Vladimir (2255) – Semenova,Irina (2265), Voronezh RUS, Region Ch, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.d4 d6)

6.Qb3 Re8 7.e3 Nbd7 8.Nc3 c6 9.Be2 e5 10.a4 Nf8 11.0–0–0 (better is 11.de5!? de5 12.Rd1+=) 11...e4 12.Nd2 h5 13.h3 d5 14.cd5 cd5 15.Kb1 Bf5 16.Rc1 Ne6 17.Ka2 Nc7 18.Rc2 Bf8 19.Ba3 Bd6 20.Rhc1 Qe7 21.Ndb1 Rec8 22.b5 b6 23.Kb2 Kg7 24.Na2 Ba3 25.Na3 Nce8 26.Qb4 Qb4 27.Nb4 Rc2 28.Rc2 h4 29.Nc6 Kf8 30.Rc3 Rc8 31.Nc2 Rc7 32.N2b4 Nd6 33.Na6 Rb7 34.Ncb4 Ke7 35.Rc7 Rc7 36.Nc7 Be6 37.Nc6 Kd7 38.Ne6 Ke6 39.Na7 Kd7 40.Kc3 Nb7 41.Nc6 Na5 42.Na5 ba5 43.f3 Kd6 44.Bd1 Nd7 45.fe4 de4 46.Bb3 f5 47.Bf7 g5 48.Bg6 Ke6 49.Kc4 Kf6 50.Bh7 Ke6 51.Bf5 Kf5 52.Kd5 Nb6? (52...Kf6 53.Kc6 Ke7+/–) 53.Kc6+– Na4 54.d5 Nb6 55.Kb6 a4 56.d6 a3 57.d7 a2 58.d8Q a1Q 59.Qd5 Kf6 60.Qe4 (60.Qe4 Qe1 61.Kc7+–) 1–0. Reefschlaeger,Helmut (2370) – Naegele,Thomas (2205), Bad Woerishofen op, 1999. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0–0 5.c4 d6)

6.Qb3 Bg4 7.Nbd2 (7.h3 Bd7+=) 7...Nbd7 8.Nh4 (8.h3 Bf3 9.Nf3 e5+=) 8...b5 (8...Nb6!?–/+) 9.cb5= e5 (9...Be6 10.Qa3 Bd5=) 10.h3 (10.Nhf3!?=) 10...Be6+= 11.Qd1 ed4 12.Bd4 Qb8 (12...Ne5 13.Nhf3+=) 13.a4 (13.e3 a6 14.ba6 Qb4=) 13...c5 14.bc5 (14.bc6 Qb4 15.e3 Ne5+=) 14...dc5+= 15.Bb2 Qf4 (better is 15...Ne5!?+=) 16.g3+= Qh6 17.Ra3 (17.Bg2 Nd5 18.Qc1 a6+=) 17...Bd5 (17...a6!?=) 18.Ndf3+= Be4 19.g4 (19.Bg2 Rad8 20.0–0 Rfe8+/–) 19...Qf4= 20.Bg2 (20.e3 Bf3 21.Nf3 Qb4 22.Qd2 Nd5 23.Bg7 Qa3 (worse is 23...Kg7 24.Qb4 Nb4 25.Rc3+/–) 24.Bf8 Qa1 25.Qd1 Qc3 26.Qd2 Qa1 27.Qd1 Qc3 28.Qd2 Qa1=) 20...a6 21.e3 (21.Qd2 Qd2 22.Kd2 Nd5 23.Bg7 Kg7 24.ba6 Ra6=) 21...Qc7 22.0–0 (22.g5 Nh5 23.Bg7 Ng7=) 22...ab5+= 23.ab5 Ra3 24.Ba3 Ra8 (24...Qa5!? 25.Qc1 Qb5+=) 25.Bb2= Qb7 (25...Ra2 26.Qc1 Qa5+=) 26.Nd2 (better is 26.Qb3!?+=) 26...Bg2+= 27.Ng2 Qb5 28.Qc2 (better is 28.Bf6!? Nf6 29.Qc2+=) 28...Ra2–/+ 29.Rb1 Ng4! 30.hg4 Rb2 (worse is 30...Bb2 31.Nc4+=) 31.Rb2 Bb2 32.Ne4 (32.g5 Bg7 33.Nf4 Nb6–/+) 32...Ne5 33.Qd1 Qc6 34.Qd8? (better is 34.g5–/+) 34...Kg7–+ 35.Nd6 (35.Ng5 Qb7 36.Qd1–+) 35...Nf3 (35...Ng4?! 36.Ne8 Kh8 37.Nf6 Kg7 38.Ng4=) 36.Kh1 Be5 37.Ne8 Kh6 38.g5 Kh5 39.Qd1 (39.Nf6 Bf6 40.gf6–+) 39...Kg5 (39...Qe8?! 40.Qf3 Kg5 41.Qe4+=) 40.Qd8 (40.e4 Qe4 41.Ne3 Nd4 42.Ng2 Bf4–+) 40...Kh6 41.Qe7 (41.Nf4 Bf4 42.Qf6 Qf6 43.Nf6–+) 41...Qb5 42.Qf8 Kg5 0–1. queensservant (1785) – lletram22 (1930), gameknot.com, 2014.

6.b5 c5 7.e3 +=.

6.Nc3 a6 7.e3 Nbd7 (7...Nc6 8.a3=) 8.Bd3= e5 9.0–0 Re8 10.Nd2 (10.Qc2 Qe7 11.Be2 Nb6=) 10...c5 (10...ed4 11.ed4 c5 12.Nce4 Ne4 13.Ne4+=) 11.bc5 dc5 (better is 11...ed4!? 12.ed4 dc5+=) 12.d5+= Nb6 (12...e4 13.Be2+/– (worse is 13.Be4 Ne4 14.Nde4 Re4 15.Ne4 Bb2–/+)) 13.a4 Bd7 14.a5 Nc8 15.Qb3 Nd6 Black intends e4 16.Rfd1 (16.Nce4 Qc7+/–) 16...e4 17.Be2 Bg4 18.Bg4 Ng4 19.h3 Nh6 (19...Bc3!? 20.Bc3 Ne5+=) 20.Na4+/– Rc8 (20...Bb2 21.Qb2 Rc8 22.Rdc1+/–) 21.Bg7 Kg7 22.Qc3 Qf6 0–1. Atabay,Mesut (1665) – Sarikaya,Ergun (1885), Turkish Cup, 2015. (=1.d4 Nf6 2.c4 d6 3.Nf3 g6 4.b4 Bg7 5.Bb2 0–0)

6.Nc3 b6 7.e3 Bb7 (7...c5 8.b5=) 8.Be2 Nbd7 9.a4 (9.0–0 Re8=) 9...a5 10.Qb3 (10.b5 Re8=) 10...Ne4 (10...ab4 11.Qb4 c5 12.Qb3=+) 11.0–0 e5 12.Rad1 (12.Ne4!? Be4 13.b5=+) 12...ed4–/+ 13.ed4 (13.Nd4? Nc3 14.Bc3 ab4–+) 13...Re8 14.Rfe1 ab4 15.Ne4 Re4 (15...Be4 16.Qb4 c5 17.Qd2–/+) 16.Qb4=+ Qf6 (16...Bc6 17.Ra1=+) 17.Ba1 (17.Nd2 Rf4 (worse 17...Rd4 18.Bf3 Bf3 19.Nf3 Rd1 20.Bf6 Re1 21.Ne1 Bf6 22.Nd3=) 18.Qb5 Rf2=) 17...Rae8 (17...Qf4 18.Bc3=+) 18.d5 Qf4 19.Bg7 Kg7 20.Qc3 (20.Bf1 Nc5=+) 20...Qf6–/+ 21.Qf6 Kf6 22.Kf1 Nc5 23.Nd2 Rd4 (23...R4e7!?–/+) 24.f3=+ Rh4 25.Kg1 Kg7 26.Nb1 (26.Bf1 Re1 27.Re1 Rd4=+ (worse 27...Na4 28.g3 Rh5 29.Re7+–)) 26...Na4–/+ 27.g3 Rh6 28.Bd3 Re1 29.Re1 Nc5 30.Bc2 b5! 31.cb5 Bd5 32.f4 Ne6 (32...Bb3 33.Bb3 Nb3 34.Rd1–/+) 33.Rd1 (33.b6 cb6 34.Rd1 Nc7–/+) 33...Bf3–/+ 34.Rd2 Rh5 35.f5 (35.b6 cb6 36.Rd6 Rc5–/+) 35...gf5–+ 36.b6 cb6 37.Rd6 f4 (37...b5!?–+) 38.Rb6–/+ fg3 39.hg3 Ng5 40.Bf5 Bd5 (40...Rh1 41.Kf2–/+) 41.Nc3=+ Ba8 42.Kf2 Rh2 (42...Nh3 43.Bh3 Rh3 44.Rb8=+) 43.Ke3 Rg2 44.g4 h6 (44...Bf3 45.Kf4 h6 46.Rd6=+) 45.Ne2= Nh3 46.Nd4 (46.Bb1 Bd5=) 46...Rg3=+ 47.Kd2 Nf4 (47...Ng5 48.Ke2=+) 48.Bb1= Rg2 49.Ke1 Ne6 50.Ne6 (better 50.Nf5!? Kf6 51.Nh6=) 50...fe6–/+ 51.Kf1 Bd5 (51...Kf7!? 52.Rb4 Kf6–/+) 52.Re6=+ Rg4 53.Rd6 Bf7 54.Kf2 h5 55.Bd3 h4 56.Be2 Rf4 57.Kg2 Bg6 58.Rd7 Kf6 59.Rd6 Kg5 60.Rd5 Kh6 61.Rd6 Kg7 ½–½. Israyelyan,Eduard (1850) – Sayadyan,Edvard (2010), 2nd Yerevan Open, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0–0)

6.Nc3 c6 7.e4 a5 8.b5 Nbd7 9.bc6 bc6 10.Bd3 Ba6 11.0–0 Rb8 12.Rb1 Nb6 13.Qe2 Nh5 14.Bc1 Nd7 15.Rb8 Qb8 16.Be3 c5 17.Qd2 cd4 18.Bd4 Nhf6 19.Nd5 Nd5 20.cd5 Bd3 21.Qd3 Rc8 22.Rb1 Qc7 0–1. marcosramos (2360) – grotesmurf (2250), net–chess.com, 2007.

6.Nbd2 Na6 7.a3 (7.b5 Nb8+=) 7...c5 8.b5 (8.bc5 dc5 9.e4 Qa5=) 8...Nc7 9.d5 (9.dc5 dc5 10.e4 a6=) 9...e6 (9...Bg4=+) 10.e4 (10.de6 Be6 11.e3 d5=) 10...a6 (10...ed5 11.ed5 Re8 12.Be2 Nfd5 13.Bg7 Nf4=+) 11.a4 (11.b6!? Nce8 12.Rb1=) 11...ed5=+ 12.cd5 (12.b6 Nce8 13.cd5 Qb6=+) 12...Re8 13.Bd3? (13.Be2 Ne4 14.Bg7 Kg7 15.Ne4 Re4–/+) 13...Nfd5?? (better is 13...Ne4 14.Be4 Bb2–+) 14.Bg7=+ Kg7 15.0–0 Nb4 16.Bc4 Be6?? 17.b6+/– Bc4 18.Nc4 Ne6+= 19.a5 d5–/+ 20.ed5 Qd5 21.Qd5 Nd5 22.Nd6 Re7 23.Ne5 Nd4 24.Nec4 Ne2 25.Kh1 Nef4 26.Kg1 Ne2 ½–½. alaamattar (2110) – antoniowithouthelp (1985), net–chess.com, 2006.

6.Nbd2 b6 7.d5 Bb7 8.Bf6 Bf6 9.Rb1 Nd7 10.e4 c6 11.Bd3 cd5 12.cd5 Ne5 13.Ne5 Be5 14.Nf3 Bc3 15.Ke2 Rc8 16.Qb3 Bg7 17.Rhd1 Qd7 18.Kf1 b5 19.Kg1 a6 20.h3 Rfe8 21.Be2 Rcd8 22.Ne1 Qc7 23.Rbc1 Qb8 24.Nf3 Bh6 25.Rc2 Rc8 26.Rc8 Bc8 27.a4 Bd7 28.a5 Qc8 29.Nd4 Bg7 30.Nf3 h6 31.Ne1 Qb7 32.f3 Rc8 33.Nd3 Qa7 34.Kh2 Qb8 35.f4 e6 36.Bf3 ed5 37.ed5 Qb7 38.Qa2 Bf5 39.Nf2 Rc4 40.Nd3 Bd3 41.Rd3 Rf4 42.Qb1 Rc4 43.Be2 Be5 44.g3 Rd4 45.Rd4 Bd4 46.Qe4 Be5 47.Bf3 Qc7 48.Qe3 Qc2 49.Bg2 Qc3 50.Qc3 Bc3 51.Bf3 Bb4 52.Bg4 f5 53.Be2 Ba5 White resigned 0–1. headcracker (1685) – The Bin Man (1775), ChessWorld.net, 2008. (=1.c4 Nf6 2.b4 g6 3.Bb2 Bg7 4.d4 d6 5.Nd2 0–0 6.Ngf3 b6)

6.Nbd2 d5 7.e3 b6 8.Be2 Bb7 9.0–0 Nbd7 10.Qb3 c6 11.a4 dc4 12.Bc4 Nd5 13.b5 N7f6 14.Ne5 cb5 15.ab5 e6 16.Rfc1 Nd7 17.Nc6 Bc6 18.bc6 N7f6 19.Ba6 Rb8 20.e4 Nc7 21.e5 Nfd5 22.Bb7 Bh6 23.Nc4 (better is 23.Rc2!?+/–) 23...Bc1= 24.Bc1 f6 (24...Qh4 A) 25.Ra7? b5 (worse is 25...Qd4 26.Bb2 Qe4 27.g3–/+) 26.Ne3 Qd4 27.Nd5 ed5–+ (27...Qd5?! 28.Qd5 Nd5 29.Bd2+=); B) 25.Qb2=) 25.Ba3 Rf7 26.Bd6 f5 27.Ra7 b5 28.Nb2 Qh4= 29.Qd3 Qf4 30.Ra1 Qe4 31.f3 Qe3 32.Qe3+= Ne3 33.Kf2 Nc4? 34.Nd3 Nd6 35.ed6 Nd5 36.Ra8 Ra8 37.Ba8 Nb6 38.c7?? Nc8 39.Ne5+– Nd6 40.Nf7 Kf7 41.Bb7! b4 42.Ke2 Ke7? 43.c8Q Nc8 44.Bc8 Kd6 45.Kd3 Kd5 46.Bb7 Kd6 47.Kc4 e5 48.Kb4 ed4 49.Kc4 Ke5 50.Kd3 g5 51.g3 h6 52.Bc6 h5 53.Be8 h4 54.Bc6 hg3 55.hg3 f4 56.g4 Kd6 57.Bb7 Ke5 58.Be4 Ke6 59.Kd4 Kd6 60.Bd5 (60.Bd5 Kc7 61.Ke4+–) 1–0. Ardashirov,Akhtjam – Arslanov,Marat, Ufa RUS, Gumerov Mem, 2012.

6.Nbd2 Bg4 7.e3 Nbd7 8.Bd3 a5 9.b5 c5 10.h3 Bf3 11.Qf3 (< 11.gf3 cd4 12.Bd4 Rc8=+) 11...cd4 12.ed4 (12.Qb7?? Nc5 13.Qa8 Nd3 14.Ke2 Qa8 (14...Nb2?! 15.Qd8 d3 16.Kf3 Rd8 17.Rab1–+) 15.Kd3 Qg2 16.Bd4 e5–+) 12...e5 13.Qb7 ed4 14.Bd4 Re8 15.Be2 Nc5 16.Qf3 Qe7 17.Rd1 Nfe4 18.Ne4 Ne4 19.Bg7 Kg7 20.0–0 Ng5 21.Qc3 f6 22.Rfe1 Qc7 23.a4 Rac8 24.Qd4 Re6 25.Bg4 Re1 26.Re1 Qc4 27.Re7 Nf7 28.Qc4 Rc4 29.Be6 Re4 30.Rf7 Kg8 31.Rf6 Kg7 32.Rf7 Kg8 33.Re7 Kf8 34.Rh7 Re1 35.Kh2 Re6 36.b6 Kg8 37.b7 Re8 38.Rc7 1–0. Fournier,Frederic (2130) – Static, Active, 2002.

6.Nbd2 h6 7.g3 a6 8.Bg2 Nc6 9.Qb3 Bd7 (9...d5 10.Rd1=) 10.0–0+= e6 11.Rab1 b6 12.d5 ed5 13.cd5 Ne7 14.Bf6 (14.Nd4 Rc8+=) 14...Bf6= 15.Ne4 Bg7 16.Rbc1 b5 17.Rfd1 Bf5 18.Nd4 Be4 (18...Bd7 19.Nc3+=) 19.Be4 Bd4 20.Rd4 Kh7 21.a4 ba4 22.Qa4 f5 23.Bb1 Kg7 (23...Ra7 24.Bd3+–) 24.e4 (24.Qa5!?+–) 24...fe4+– 25.Be4 Nf5 26.Rdc4 Rf7 27.Bf5 gf5 28.Rc6 Qc8? (28...f4!?+–) 29.Qa5 (29.Rd6 cd6 30.Rc8 Rc8 31.Qa6 Rd8+–) 29...Rb8 (29...Qe8+–) 30.Rc7 Qd8 (30...Qf8 31.R1c6 Qe8 32.Rf7 (32.Ra6?! Qe1 33.Kg2 Qe4 34.f3 Qe2 35.Kh3 Qf1 36.Kh4 Rb4 37.Qb4 Qa6 38.Qc3 Kg6 39.Rf7 Kf7+–) 32...Kf7 33.Qc7 Kg8 34.Qd6+–) 31.Rf7 (31.b5 Rc7 32.Rc7 Kg6+–) 31...Kf7 32.Qd8 (32.Rc7!? Kg8+–) 32...Rd8 33.Rc6 Kf6 (33...Ke7 34.Ra6 Rb8 35.Ra7 Kf6 36.Rh7 Rb4 37.Rh6 Ke5 38.f4 Kd5 39.Rf6+–) 34.Ra6 (better 34.f4!?+–) 34...Ke5+– 35.Kf1 Kd5 (35...Rb8 36.f4 Kd5 37.Ra5 Ke4 38.b5+=) 36.Ke2 Kc4 37.Rb6 h5 38.Ke3 d5 39.Kd2 (39.Rc6 Kb4 40.Kd4 f4+–) 39...d4 40.h4 (40.Rc6 Kb4 41.Kd3 Ra8+–) 40...Rh8 (40...Ra8 41.Rc6 Kb4+–) 41.Rf6 Kb4? (41...Rb8 42.Rf5 Rb4 43.Rh5 Rb2 44.Ke1 Rb1 45.Ke2 d3 46.Ke3 Re1 47.Kd2 Re2 48.Kd1 Rf2 49.Ra5=) 42.Rf5 (better 42.Kd3+–) 42...Kc4+– 43.Rf4 (43.f4 Rg8 44.Rg5 Ra8 45.Rh5 Ra2 46.Ke1 Ra1 47.Ke2 d3 48.Ke3 Re1 49.Kd2 Re2 50.Kd1 Rg2+=) 43...Rh6 (43...Ra8 44.Kc2=) 44.Rf5 Rh7 (better 44...Rh8!?=) 45.f4 Rh8 46.Ra5 Rg8 47.Rg5 Rh8 48.f5 Kd5 49.Kd3 Ke5 50.f6! Kf6 51.Kd4 Rh7 52.Ke4 Rh8 53.Kf4 Rh7 (better 53...Kf7+–) 54.g4 (better 54.Rb5 Rh8 55.Rb6 Kf7 56.Kf5+–) 54...hg4+= 55.Kg4 Rh8?? (better 55...Rg7=) 56.h5+– Kf7 57.Rg6?? (better 57.Rf5 Kg7 58.Kg5+–) 57...Rg8= 58.Kf5 Rg6 59.hg6 Kg7 ½–½. pions (1700) – tetis, gameknot.com, 2018.

6.d5 c6 7.Nc3 cd5 8.cd5= Nbd7 9.a4 Nb6 10.Qd3 Nfd5! 11.e4 Nb4–+ 12.Qe3?? Nc2 (12...Nc2 13.Kd1 Ne3 14.fe3 d5–+) 0–1. Wloka,Frank – Gottwald,Bernhard (1925), RSS5E NoEngine–104, 2010.

6.d5 Bg4 7.e3 Nbd7 8.Be2 c6 9.h3 Bf3 10.Bf3 cd5 11.Bd5 (better is 11.cd5!? Ne5 12.0–0=) 11...Nd5–/+ 12.Bg7 Ne3 (12...Kg7?! 13.cd5 Qb6 14.Qb3=) 13.fe3 Kg7 14.0–0 Ne5 15.Qd4 Kg8 16.Nc3 Rc8 17.c5 Nc6 18.Qh4 e5 19.Qc4 dc5 20.Rad1 (20.bc5 Na5 21.Qb4–/+) 20...Qe7 21.Nd5= Qe6 22.Nf6 Kg7? 23.Qe6+– fe6 24.Ne4?? Rf1–+ 25.Rf1 cb4 26.Nd6 Rc7?? 27.Ne8+– (27.Ne8 Kh6 28.Nc7+–) 1–0. gtate (1860) – nickbarletta (2130), net–chess.com, 2003.

6.g3 b6 7.Bg2 Bb7 8.0–0 Nbd7 9.Nc3 Nh5 10.Qb3 Kh8 11.Rfd1 e6 12.Rac1 f5 13.c5 bc5 14.bc5 (14.dc5 Bf3 15.Bf3 d5+/–) 14...Rb8+= 15.Qa3 Qe7 16.cd6 cd6 17.Ba1 f4 (17...a6!?=) 18.Qa7+= g5 19.Rb1 Ba8 20.Rb8 Rb8 21.Ng5! Bg2 22.Kg2 fg3 23.hg3 Qg5 24.Qd7 Nf4 25.Kg1 Nh3+/– 26.Kg2 Nf4 27.Kg1 Rf8 28.Ne4?? Ne2–+ 29.Kg2 Nf4 30.Kg1 Nh3 31.Kg2–/+ Qg4 32.Rd2? Qe4 33.Kh3 Qh1 34.Kg4 h5 35.Kg5 Qd5 36.Kh4 Bf6 (36...Bf6 37.Kh3 Qh1#) 0–1. Zaichuk,V (2020) – Skripka,Nikita (1860), ch–UKR semi–final, 2011.

6.g3 Nbd7 7.Qb3 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 e5 11.Bg2 Re8 12.e3 ed4 13.Bd4 Ne5 14.Nbd2 ½–½. Cosic,Marinko – Hulak,Krunoslav, Zagreb ch, 1977.

6.Qb3 a5

7.a3 c6 8.e3 Nbd7 9.Be2 b6 10.0–0 Re8 11.Rd1 Qc7 12.Nc3 ab4 13.ab4 Ra1 14.Ra1 Bb7 15.d5 (15.Ra7!?+=) 15...cd5= 16.cd5 Nd5 17.Nb5 Qb8 18.Bg7 Kg7 19.Rd1 N5f6 20.Nc3 h6 21.Nd4 d5 22.Bb5 Rd8 23.Nc6 Bc6 24.Bc6 e6 25.f3 Ne5 26.Bb5 Qd6 27.Ne2 Nc6 28.Bc6 Qc6 29.Rc1 Qd6 30.Qa4 e5 31.Rc6 Qd7 32.b5 d4 33.ed4 ed4 34.Qa1 Qe7 35.Ng3 d3 36.Rc1 Qd6 37.Nf1 h5 38.Qa4 d2 39.Rd1 Qc5 40.Kh1 1–0. Lieb,Harald (2310) – Roos,Louis (2255), Berlin tt Berlin West, 1980.

7.b5 a4 8.Qa3 c6 (8...Nbd7 9.e3=) 9.e3 Qa5 (9...Bg4 10.Be2=) 10.Bc3 Qc7 11.Bd3 Nbd7 (11...Bg4 12.Nbd2=) 12.0–0 e5 13.bc6 (13.Nbd2 Re8 14.e4 c5 15.de5 Ne5 16.Ne5 de5=) 13...bc6 14.Nbd2 Re8 15.Ne1 (15.e4 Nh5=) 15...ed4 (15...c5 16.d5=) 16.ed4 d5 (16...Nh5 17.Ne4 c5 18.dc5 Nc5 19.Bg7 Kg7 20.Qc3 Kg8 21.Nc5 Qc5 22.Rb1=) 17.Nef3 Ba6 (17...dc4 18.Nc4 c5 19.Rfe1=) 18.Rfe1 Ne4 (18...dc4 19.Nc4 Nd5 20.Bd2=) 19.Ne4+= de4 20.Be4 (20.Qa4 Nc5 21.dc5 Bc3 22.Re4 Re4–/+) 20...Bc4 21.Bb4 Nf6 22.Bd6 Bf8 (22...Qc8 23.Bc2=) 23.Bf8+= Ne4 24.Ne5 Bd5 25.f3 Nf6 (25...Nc3 26.Qc3 Rf8 27.Nd3+=) 26.Bd6 Qa7 27.Qe3 (27.Bc5 Qa5+=) 27...Re6 ½–½. Granda Zuniga,Julio E (2680) – Pichot,Alan (2515), 2. Zicosur Open, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0–0)

6.b5 c6

7.a4 c5 8.e3 =.

7.a4 Ne4 8.Nbd2 Nd2 (8...Qa5 9.e3=) 9.Qd2 Bf5 (9...Bg4 10.Qf4 Qa5 11.Nd2=) 10.e3 a6 (10...Nd7 11.Bd3=) 11.Qb4 (11.Be2 ab5 12.ab5 Ra1 13.Ba1 cb5 14.cb5 Qd7=) 11...ab5 12.ab5 Ra1 13.Ba1 c5 14.Qa3 (14.Qd2 Qc7=) 14...Qc7 (14...Nd7 15.Be2=) 15.Be2 (15.dc5 dc5 16.Bg7 Kg7 17.Qc3 f6+=) 15...Nd7 16.0–0 (16.Nh4 Nb6 17.Nf5 Ra8+=) 16...Nb6 (16...b6 17.d5=) 17.dc5 Qc5 18.Qc5 dc5 19.Bg7 Kg7 20.Ra1 Ra8 21.Ra8+= Na8 22.Nd2 Nb6 23.Nb3 Nd7 24.f4 Bc2 25.Na5+= b6 26.Nc6 Be4 27.Ne7+/– Kf6 28.Nc8 h5 29.Nd6 Bc2+/– 30.e4 Ke6= 31.e5 f6 32.Kf2 fe5 33.fe5 Ke5 34.Nc8 Kd4 35.Ne7 Ne5 36.Nc6= Nc6 37.bc6+= Ke5 38.c7 Bf5 39.Bd3 Be6 40.Bg6 h4 41.Bf7! Bd7 42.Ke3 Kd6+= 43.Kf4 Kc7 44.h3 Bc6 45.Kg5 Bg2 46.Kh4 Kd6 47.Kg4 Ke5 48.h4 Kd4 49.h5 Bf1 50.Kg5 Bc4 51.Bc4 Kc4 52.h6 b5 53.h7 b4 54.h8Q b3 55.Kf4 Kd3 56.Qh7 Kc3 57.Ke3 c4 58.Qb1 b2+– 59.Ke2 Kb3 60.Kd1 c3 61.Qd3 Ka2 62.Qc4 Ka1 63.Qc3 Ka2 64.Qa5 Kb1 65.Qb4 Ka1 66.Kc2 (66.Kc2 b1Q 67.Qb1) 1–0. Brukske (1790) – gerlandog (1605), internet, 2007.

7.a4 Bf5 8.Nc3 Qa5 9.Nd2 e5 10.de5 de5 11.f3 Nbd7 12.e4 Be6 13.Be2 Rfd8 14.0–0 h5 15.Qc2 h4 16.Nb3 Qb6 17.Kh1 Nh5 18.a5 Qc7 19.Rfd1 a6 20.b6 Qc8 21.Ba3 Bf6 22.Rd2 Bg5 23.Rdd1 Kg7 24.Bd6 Rh8 25.Na4?? (better is 25.Bd3+=) 25...Ng3! 26.Kg1 Be3 0–1. Jaskulski,Klaus – Tomann,Daniel (2045), Berlin Unicorn op, 2003. (=1.Nf3 Nf6 2.b4 g6 3.c4 Bg7 4.Bb2 d6 5.d4 0–0)

7.e3 c5 =.

6.Nc3 c5

7.a3 Nc6 8.bc5 dc5 9.d5 Na5 10.Nd2 (10.e3 b6=) 10...e6 (10...Bf5!?–/+) 11.e4+= ed5 12.cd5 Ng4 13.Be2 Qh4 14.Bg4 Bg4 15.Qc2 b5 16.0–0 (worse is 16.Nb5 Bb2 17.Qb2 Rfb8–/+) 16...a6 (16...Be5!? 17.g3 Qh6+=) 17.Nd1+= Bb2 18.Qb2 Bd1 19.Rad1 Rad8 20.Rfe1 Qe7 21.Qc3 Nb7 22.Nb3 Rfe8 23.g3 c4 24.Nd4 Qc5 25.Nc6 Rd6 26.Kg2 Rc6 27.dc6 Qc6 28.f3 Nc5 29.Rd5 Rc8 30.Red1 Nd3 31.Qd4 Qe8 32.Qb6 Qf8 33.Qa6 Ra8 34.Qb5 Qa3 35.R5d3 cd3 36.Rd3 Qa2 37.Kh3 Qe6 38.g4 h5 39.Qd5 hg4 40.fg4 Re8 41.Rf3 Re7 42.Qe6 Re6 43.Re3 g5 44.Kg3 ½–½. Huebner,R (2600) – Lahno,Kateri (2495), Czech Coal Match, Marianske Lazne CZE, 2009.

7.a3 cd4 8.Nd4 Nc6 9.e4 Bd7 10.Be2 Nd4 11.Qd4 Bc6 12.0–0 ½–½. Dzera,Evgeniy (2180) – Presnyakov,Semen (1970), Chervonny, 2010.

7.bc5 dc5 8.e3 cd4 9.ed4 Qa5 10.Qd2 Rd8 11.Rd1 Bg4 12.Nb5 Qd2 (12...Qa2? 13.Ra1 Qb3 14.Ra3+–) 13.Rd2 Ne8 ½–½. Seifert,Henryk (2250) – Zapolski,Krzysztof (2175), Przelazy op–A, 2004.

7.bc5 dc5 8.e3 cd4 9.ed4 Nc6 10.Be2 Bg4 11.d5 Bf3 12.gf3 Na5 13.Rc1 Nd7 14.Qd2 Ne5 15.Ne4 Nac4 16.Rc4 Nc4 17.Bc4 Bb2 18.Qb2 Rc8 19.Bb3 h6 20.0–0 Kh7 21.Qa3 f5 22.Ng3 a6 23.Re1 Rc7 24.Re6 Qd7 25.Qb2 Rfc8 26.Qe5 Rf8 27.h4 Rf6 28.h5 Re6 29.de6 Rc1 30.Kh2 Qe8 31.hg6 Qg6 32.Qf5 Qf5 33.Nf5 Rc7 34.Kg3 b5 35.Kf4 Kg6 36.Ne7 Re7+/– 37.Ke5 a5 38.f4 Rg7? 39.f5 Kh5 40.f6 Rg5 41.Ke4 a4 42.e7 ab3 43.e8Q Kh4 44.ab3 Kh3 45.Qc8 Kh2 1–0. Betsy_651 – King of Kings 2.20, computer chess game, 2003.

7.dc5 dc5 8.a3 Bf5 9.Qb3 Nbd7 10.Rd1 a5 11.e3 (11.bc5 Rc8=) 11...ab4 12.ab4 Qb6 13.Nb5 cb4 14.Qb4 Nc5 15.Bd4 Nfe4 (15...Rfc8 16.Be2=) 16.Nd2 Ra2 17.f3 (17.Ne4 Bd4 (17...Be4 18.Bc5 Qf6 19.Rd2 Qa1 20.Ke2+/–) 18.ed4 Ne4–/+) 17...Bd4+= 18.ed4 Nd2 19.Rd2 Ra1 20.Kf2 Qe6 (20...Qe6 21.Rb2 Rf1 22.Kf1 Nd3–+) 0–1. Sternik,Ryszard (1985) – Wantoch_Rekowski,Jacek (1850), EM mem Koryto, 2004.

6.Nc3 Nbd7

7.Rb1 Rb8 (7...Nb6 8.e4=+) 8.d5 (8.e3 Nb6=) 8...a6 (8...a5!? 9.a3 Ra8=+) 9.e3=+ Re8 (9...a5 10.a3=+) 10.Bd3= c6 (10...c5 11.a3=) 11.0–0 cd5 (11...Ne5 12.Ne5 de5 13.e4=) 12.cd5 (12.Nd5 Nd5 13.cd5 Bb2 14.Rb2 Nf6=) 12...b5 13.Qc2 (13.Qb3 Bb7=) 13...e5 (13...Ne5 14.Ne5 de5 15.Rfd1=) 14.e4 (14.de6!? fe6 15.a4 ba4 16.Qa4=) 14...Nb6= 15.a4 Nc4 16.ab5 ab5 17.Nb5 Nb2 18.Rb2 Ba6?? (better 18...Ne4 19.Nc7 Re7=) 19.Qa4?? (better 19.Na7!? Bd3 20.Qd3+–) 19...Bb5?? (better 19...Qb6 20.Nd6 Bd3 21.Ne8 Ne8–/+) 20.Bb5+= Re7 (20...Rf8 21.Re1 Nd5=) 21.Bd3 White prepares the advance b5 (21.Re1 Ra8 22.Qc2 Qb6+–) 21...Reb7 (better 21...Nd5!? 22.g3 Reb7=) 22.Rfb1+– Qb6 (22...Ra8 23.Qd1+–) 23.b5 (23.Ra2 Bh6+–) 23...Ra7 (23...Nd7 24.Ra2+–) 24.Qd1 Bh6 (24...Rc8!?+–) 25.Rc2+– Rc7 (25...Ng4 26.Qe1+–) 26.Rc6 Rc6 27.bc6 Qc7 28.Rb8 Qb8 29.h4 Qc7 (29...Ng4 30.Ng5 Nf6 31.Qc2+–) 30.Ng5 (30.Qb1 Ne8+–) 30...Ne8 31.g3 f6 (31...Bg5 32.hg5 Kf8+–) 32.Ne6 Qb6 (32...Qe7+–) 33.Qa1 Nc7 34.Nc7 (34.Nc7 Qc7 35.Qa8 Kf7 36.Qb7 Qb7 37.cb7+–) 1–0. Yoza (1860) – Brennybhoy (1855), ChessWorld.net, 2008. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0–0 5.Bb2 d6)

7.e4 e5 (7...c5 8.bc5 dc5 9.e5=) 8.de5 de5 (8...Ne5 9.Ne5 de5 10.Qd8 Rd8 11.Nd5 Ne4 12.Nc7+=) 9.c5 (9.Qa4 Qe7=) 9...a5 10.a3 c6 11.Qa4 (11.Be2 b6 12.cb6 Qb6+=) 11...b5 (11...ab4 12.Qa8 bc3 13.Bc3 Ne4 14.Bb4 Nec5 15.Rd1–/+) 12.Qd1 (12.cb6 Qb6 13.Bc1 Qc7=) 12...Qe7 (12...Qc7 13.Bd3=) 13.Bd3 Nh5 14.Ne2 Rd8 15.0–0 Nf8 16.Qc2 f6 17.Rfd1 Bg4= 18.Ne1 Nf4 19.f3 Ne2 20.Qe2 Be6 21.Rdc1 Bh6 22.Rc3 Bf7 23.Rd1 Ne6 24.g3 Nd4–/+ 25.Qf2 ab4 26.ab4 Ra2 27.Ra3+= Ra3 28.Ba3 Qa7 29.Bb2 Qa4–+ 30.Bd4?? Qd1 31.Be3 Rd3 32.Bh6 Ra3 33.Qd2 Qd2 34.Bd2 Bc4 35.Kf2 f5 36.ef5 gf5 37.f4 Ra2 38.Ke3 ef4 39.gf4 Ra3 40.Kf2 Bd5 41.h4 Kf7 42.Ke2 Kg7 43.Bc3?? Kg6 44.Kd2 Rb3 45.Bd4 Rb4 46.Be5 Rc4 47.Bd6 Kh5 48.Be7 Kg4 49.Ke3 b4 50.Kd2 b3 51.Bf6 Rc5 52.Bc3 Rb5 53.Bb2 Kh4 54.Nd3 Be4 (54...Be4 55.Nc1 h5–+) 0–1. Lebed,P (2085) – Mashevsky,Alexander, 6th Kurass Memorial, Kiev UKR (8), 2005.

6.Nc3 Bf5

7.e3 Na6 8.Qb3 c6 9.Be2 Qb6 10.b5 cb5 11.cb5 Be6 12.Qd1 Rac8 13.0–0 Nb4 14.a3 Nbd5 15.Rc1 Nc3 16.Rc3 Ne4 17.Rc8= Rc8 18.Qa1 Bd5 19.Rc1 Rc7 20.Qb1 e6 21.Bd3 f5 22.Be2 g5 23.Rc7 Qc7 24.Qd1 g4 25.Nd2 Nc3 26.Bc3 Qc3 27.Nb1 Qb3 28.Qc1+= h6 29.Nc3 Kh7 30.Nd5 Qd5 31.Qc2 h5 32.Bc4 Qe4 33.Qe4 fe4 34.Be6 Kg6 35.Bd5 Kf5 36.Bb7 h4 37.f3 ef3 38.gf3 gf3 39.Bd5 Kg4 40.Be6 Kh5 41.Kf2 Kg5 42.Kf3 Kf6 43.Bd5 Kf5 44.Ke2 Kg4 45.Be6 Kg5 46.Kd3 Kf6 47.Bd5 Kf5? 48.a4 Bf6 49.a5 Bd8 50.b6! a6 51.Bc4 Kf6 52.Ke4 Ke7 53.Ba6 Kd7 54.Bb5 Ke6 55.d5 Ke7 56.b7 Bc7 57.Kf5 Kd8 58.a6 Bb8 59.Kg4 Ba7 60.Kh4 Kc7 61.e4 Kb8 62.Kg5 Be3 63.Kf5 Bf2 64.e5 de5 65.Ke5 Be3 66.d6 Bg5 67.Ke6 Bh4 68.Kd7 Bf6 69.Bd3 Bg5 70.Kc6 Bf6 71.d7 Bg5 72.Be4 Bf6 73.a7! Ka7 74.Kc7 Be5 75.Kc8 Kb6 76.d8Q Kb5 1–0. Fritz 6 – Fritz 5.32, 2004.

7.e3 h6 8.Be2 c5 9.bc5 dc5 10.Qb3 cd4 11.Nd4 Bc8 12.Rd1 Nbd7 13.Ba3 Re8 14.f4 e5 15.fe5 Re5 16.Rd3 Qe8 17.Nd5 Nd5 18.cd5 Nf6 19.Nf3 Rf5 20.Bb2 Bd7 21.Nh4 Ba4 22.Qc3 Rf2 23.Qb4 Re2 24.Ke2 Bb5 25.Qd4 Nh5 26.Qb4 Bb2 27.Rhd1 Be5 28.Nf3 Nf4 29.Kd2 Nd3 30.Qb3 Bd6 0–1. Fritz 5.32 – Fritz 8, 2003.

6.Nbd2 a5

7.a3 e5 8.de5 Nfd7 (8...Ng4 9.Qb3 Ne5 10.Ne5 de5 11.b5=) 9.e3 (9.e4 Ne5 10.Ne5 Be5 11.Be5 de5=) 9...Nc6 (9...Ne5 10.Ne5 de5 11.b5=) 10.Qb3 (10.Be2 ab4 11.ab4 Ra1 12.Qa1 Nb4=) 10...ab4 11.ab4 Ra1 12.Ba1 Nce5 (12...Nde5 13.Bc3=) 13.Bc3 c5 (13...Qf6 14.Bd4=) 14.Be2+= Qf6 15.Ne4 Qe7 16.Be5 (16.bc5 dc5 17.Ne5 Ne5=) 16...Ne5= 17.bc5 dc5 18.0–0 Bg4 19.Ned2 Nc6 20.Rd1 Nb4 21.Nb1 Qf6 22.Na3 Ra8 23.Nd4 Be2= 24.Ne2 Qb2 25.Qb2 Bb2 26.Nb5 Nc6 27.Rb1 Ra4 28.Ng3 Be5=+ 29.f4 Bg7 30.Nd6= Rb4 31.Rc1 f5=+ 32.e4 Bd4 33.Kh1 Be3 34.Rf1 Na5 35.ef5=+ Nc4 36.Nc4 Rc4 37.fg6 hg6 38.f5 g5 39.f6 Rc1 40.Rc1 Bc1 41.Ne4 c4 42.g4 Bf4 43.Kg2 b5 44.Kf3 b4 45.h4? c3 46.hg5 c2 47.Kf4 c1Q 48.Kf5 Qc8 49.Kf4 b3 50.g6 b2 (50...b2 51.g7 Qc7 52.Kf3 b1Q 53.Ke3 Qb3 54.Kd4 Qd7 55.Ke5 Qb8 56.Nd6 Qbd6 57.Ke4 Qg4 58.Ke3 Qdd4#) 0–1. Santasiere,Anthony – Bronstein,David, USA–URS radio–m, 1945.

7.a3 Bf5 8.e3 =.

7.ba5 c5 =.

7.b5 c6 8.a4 Bg4 9.e3 e6 10.Bd3 d5 11.c5 Nbd7 12.0–0 h5 13.h3 Bf3 14.Nf3 Qe7 15.Bc3 Rfd8 16.bc6 bc6 17.Rb1 Re8 18.Rb7 Reb8 19.Rb8 Nb8 20.Qb3 Nbd7 21.Rb1 Ne4 22.Be1 e5 23.Qb7 Rb8 24.Qc6 Rb1 25.Bb1 ed4 26.ed4 Ndf6 27.Ne5 g5 28.Ba5 g4 29.hg4 hg4 30.Be4 de4 31.Qc8 Kh7 32.Qf5 Kg8 33.Bb6 e3 34.fe3 g3 35.e4 Qb7 36.a5 Qa6 37.Qf1 Qb7 38.c6 Qc8 39.Qd3 Ne8 40.Nf3 Qg4 41.d5 Qf4 42.c7 Qc1 43.Qf1 Qf1 0–1. racvac001 (1620) – lucjann, kurnik, 2012.

6.Nbd2 a6

7.e3 b6 (7...c5 8.bc5 dc5 9.Bd3=) 8.a4 (8.Bd3 c5=) 8...c5 9.dc5 (9.bc5 dc5 10.Be2 Bf5=) 9...dc5 10.b5 (10.bc5 bc5 11.Rb1 Nc6=+) 10...Bb7 (10...Bf5 11.Be2=) 11.g3 (11.Be2 Qc8=) 11...a5 (11...Nbd7 12.Bg2=) 12.Bg2= Nbd7 13.0–0 Qc7 14.Qe2 Ne4 (14...Rad8 15.e4=) 15.Bg7 Kg7 16.Ne4 Be4 17.Ra2 Nf6 18.Rd2 Rad8 19.Rfd1 Rd2 20.Rd2 (20.Qd2 Qb7 21.Qe2 e5=) 20...Bf5 (20...Rd8 21.Rd8 Qd8 22.Ne5=) 21.Nh4 (21.Ng5 h6 22.Nf3 Rd8=) 21...Be6 (21...Be4 22.Rd1=) 22.Bc6 (22.Qd3 Qe5 23.Qc2 Qa1 24.Rd1 Qa3=) 22...Rd8 (22...Qe5!?=+) 23.Rd8= Qd8 24.Kg2 (24.Nf3 Bg4=) 24...Qc7 (24...Bd7 25.Bd7 Qd7 26.Nf3=) 25.Qd3 (25.Nf3 Bd7 26.Bd7 Qd7=) 25...Qd6 (25...Qe5 26.Qc2=) 26.Qc2 Bd7 27.Bd7 (27.Bb7 Qb8 28.Bf3 Qe5=) 27...Nd7 (27...Qd7 28.Nf3=) 28.f4 (28.Nf3 Nf6=) 28...Qe6 (28...Nf6 29.Nf3=+) 29.Qc3 (29.e4 Nf6 30.e5 Ng4=+) 29...f6 (29...Nf6 30.h3=+) 30.Kf3 (30.Qd3 f5=) 30...Kf7 (30...Qh3 31.Qd3=+) 31.Qd3 (31.Kf2 Qe4=) 31...f5 32.Qd5 (32.Ke2 Kg7=) 32...Nf6 (better 32...Qd5!? 33.cd5 Nf6–/+) 33.Qe6= Ke6 34.Ke2 Ne4 35.Kd3 Kd6 (35...Kf6 36.Nf3=) 36.Nf3 h6 (36...Kd7 37.Kc2=) 37.Ne5 (37.Nh4 Nf2 38.Ke2 Ng4+–) 37...g5 (37...Nf2!? 38.Ke2 Ng4 39.Ng4 fg4=) 38.Nf7+– Ke6 39.Nh6 g4? (better 39...Nf2 40.Ke2 Ne4+–) 40.Ng8?? (better 40.Ng4 Kd6 41.Nh6+–) 40...Kf7 41.Nh6 Kg6?? (41...Ke6 42.Ng4 Kd7 43.Ne5 Ke8 44.g4+–) 42.Ng8 (better 42.Ng4 e6 43.Ne5 Kf6 44.g4+–) 42...Kf7= 43.Nh6 Ke6 44.Ng8?? (better 44.Ng4 Kd6 45.Nh6+–) 44...Kd6 45.Nh6 e6?? (45...Ke6 46.Ng4 Kd6 47.Nh6+–) 46.Nf7?? (46.Ng4 Ke7+–) 46...Kc7?? (46...Ke7 47.Ne5 Nf2 48.Ke2+=) 47.Ne5?? (better 47.Ng5 Nd6 48.Ne6 Kd7 49.Ng5+–) 47...Nf2+= 48.Ke2 Ne4 49.Kd3 (49.Nf7 Nc3 50.Kd2 Ne4 51.Kc2 Kd7+=) 49...Nf2 50.Ke2 Ne4 51.Kd3 (51.Nf7 Kd7+=) 51...Nf2 52.Ke2 (52.Kc2 Ne4+=) 52...Ne4 53.Kd3 (53.Kd1!?+=) 53…Nf2= ½–½. pablo38 (1665) – mikeey23 (1670), gameknot.com, 2016. (=1.d4 Nf6 2.c4 d6 3.b4 g6 4.Bb2 Bg7 5.Nf3 0–0 6.Nbd2 a6)

7.e4 Nc6 (7...Nh5 8.Qb3+=) 8.a3 (8.d5 Nb8= (worse is 8...Nb4 9.a3+/–)) 8...Bg4 (8...Nh5 9.Nb3+=) 9.h3 Bf3 10.Qf3 e5 11.d5 Ne7 (better is 11...Nd4!? 12.Bd4 ed4+=) 12.Bd3 Ne8 (12...Nh5 13.0–0+=) 13.0–0+/– f5 14.a4 (14.Bc3+/–) 14...f4? (better is 14...Qd7!?+=) 15.c5+– g5 (15...a5 16.ba5 dc5 17.Nb3+–) 16.Nc4 (16.Qg4 h6+–) 16...Nf6 17.cd6 cd6 18.a5 Rf7 19.Nb6 Rb8 20.Bc4 (20.Rfc1 Nc8 21.Nc4 Na7+–) 20...h5 21.Qd3 (21.Rfc1 Ng6+–) 21...g4 (better is 21...Nd7 22.Nd7 Qd7+/–) 22.Be5 (better is 22.hg4 hg4 23.Ra3+/–) 22...de5= 23.d6 Nc6 24.Bf7 Kf7 25.Qc4 (25.hg4 Ng4 26.Ra3 Nd4–/+) 25...Kg6 26.d7 (better is 26.Rad1!?=) 26...gh3 27.gh3 (27.Qe6 hg2 28.Kg2 Nd4 29.Qe5 Nd7 30.Qd6 Nf6 31.Qf4 Ng4–+) 27...Nd4 (27...Nd7 28.Qe6 Nf6 29.Kh1–+) 28.f3? (better is 28.Rad1 Nd7 29.Rd4 ed4 30.Qe6 Nf6 31.Qf5 Kh6 32.Qf4 Kh7 33.e5–/+) 28...Nd7–+ 29.Kh2 (29.Nd5–+) 29...Nb6 30.ab6 Qb6 (30...Rc8!? 31.Rg1 Kf6 32.Qd3–+) 31.Rg1 Kh6 32.Raf1 (32.Ra3 Rf8–+) 32...Qf6 (better is 32...Rf8!? 33.Qa2–+) 33.Qc7 Rd8?? (33...Re8 34.Qb7 Re7 35.Qc8–+) 34.Rg2?? (better is 34.Rg7 Qg7 35.Qd8 Qg3 36.Kh1 Nf3 37.Qf6 Kh7 38.Qf7 Kh6 39.Qf6 Kh7 40.Qf7 Kh6 41.Qf6=) 34...Re8 (34...Bf8 35.Qb7 Be7 36.Ra2–+) 35.Qc3? (35.Qb7 Re7 36.Qc8–+) 35...Re6 36.Rfg1 (36.Qc7 Qe7 37.Qe7 Re7–+) 36...Rc6 37.Qd3 Bf8 38.Rg8 (38.Rb1 Be7–+) 38...Bb4 39.Qf1 (39.Kh1–+) 39...Rc3 40.R1g6 (40.Kg2 Nf3 41.Qf3 Rf3 42.Kf3 Kh7–+) 40...Qg6 41.Rg6 Kg6 42.Qg2 (42.Kh1–+) 42...Kf6 43.Qg8 Rc2 44.Kg1 Ne2 0–1. ovid7 (1790) – lletram22 (1920), gameknot.com, 2014.

6.Nbd2 c5

7.bc5 dc5 8.dc5 Nbd7 9.Nb3= Qc7 10.e3 Rd8 11.Qc1 Nc5=+ 12.Be5 Qb6 13.Nc5 Qc5 14.Qb2 Ne4 15.Bg7= Qa5 16.Ke2 f6 17.Bf6 ef6 18.Rc1 Bg4–+ 19.Rc2 Qh5 20.h3=+ Bf3 21.gf3 Ng5?? 22.Bg2+/– (22.Qf6? Rf8 23.Qe7 Rad8–+; 22.Qb7?? Rab8 23.Qc6 Rb6–+) 0–1. Gomez Feria,J (1980) – Fernandez Romero,Ern (2460), II Open del Mercantil, Sevilla ESP, 2006.

7.bc5 dc5 8.d5 e6=+ 9.e4 (9.de6 Be6 10.Qb3 Qe7=+) 9...Re8 10.Be2 ed5 11.ed5 (11.cd5 Ne4 12.Bg7 Kg7 13.Ne4 Re4 14.0–0=+) 11...b5 (11...Qe7 12.a4=+) 12.cb5 (better is 12.0–0!?=) 12...Nd5–/+ 13.Bg7 Kg7 14.Nf1?? (better is 14.Nb3 Qe7 15.Nc1–/+) 14...Nc3–+ 15.Qd8 Re2 (15...Rd8?! 16.Rc1 Ne2 17.Ke2=). Brukske (1660) – teoretic (1780), internet, 2007.

7.bc5 dc5 8.e3 cd4 9.ed4 e6 10.Be2 Nc6 11.0–0 b6 12.Rc1 Bb7 13.Qc2 Ne7 14.Rfd1 Rc8 15.Qb3 Nf5 16.Bd3 Nd6 17.Ne5 (17.c5 Bd5 18.Qa4 Nb7=) 17...Nde4 (17...Nh5 18.Qa3=) 18.Ndf3 Nh5 19.Ba3 Re8 20.d5 Ng5 (20...Nc5!? 21.Bc5 Rc5 22.de6 Be5 (22...Re5 23.Bg6 hg6 24.Rd8 Rd8 25.Ne5 Be5 26.Rd1+–) 23.Bg6 fg6 24.Rd8 Rd8=) 21.de6+/– Ne6 22.Bg6 Qf6?? (22...hg6 23.Rd8 Rcd8+/–) 23.Bf7+– Kh8 24.Bh5 Bf3 25.Nf3 Red8 26.Bg4 Nc5 27.Rd8 Rd8 28.Bc5 bc5 29.Rd1 h6 30.h3 Bf8 31.Rd8 Qd8 32.Bf5 Qf6 33.Bb1 1–0. Berry,Jonathan – Vujosevic,Smilja, CAN op St John, 1970.

7.bc5 dc5 8.e4 cd4 9.Nd4 Qd6 =.

6.Nbd2 Nbd7

7.Qb3 e5 8.de5 de5 9.e3 (9.Ne5!? Ne5 10.Be5+=) 9...e4+= 10.Ng5 Qe7 11.h4 h6 12.Nh3 a5 13.a3 ab4 14.ab4 Ra1 15.Ba1 c5 16.Bc3 b6 17.Nf4 cb4 18.Bb4 (18.Qb4!? Qb4 19.Bb4=) 18...Nc5–/+ 19.Qb1 Qe5 20.Ba3 Rd8 21.Qb6 Qa1 22.Nb1 Rd7 23.Be2 Nd3 24.Bd3 ed3 25.0–0 Kh7 26.Qb2 Qb2 27.Bb2 Ba6 28.Nd2 Rb7? 29.Bd4 Ng4 30.Nd3 Rd7 31.Nc5 Rd6 32.Na6 Ra6 33.f3 Ne5 34.Rc1 Ra2 35.Ne4 Nd3 36.Rb1 Bd4 37.ed4 Nf4 38.Kh2 Ng2 39.Rb7 Kg7 40.Nd6 Kf6 41.Rf7 Ke6+/– 42.c5 Nh4 43.Kg1 Nf5? 44.d5!+/– Kd5 45.Nf5 gf5 46.Rf5 Kd4 47.c6 Rc2 48.Rf6 h5 49.Re6 Kd5 50.Rh6 Kd4 51.Rh5 Rc6 52.Rg5 ½–½. Lebed,Petr – Shianovsky,Vladislav I, Kiev, 2002.

7.Qc2 a5 8.ba5 Ra5 9.Nb3 Ra8 10.e4 Nh5 11.e5 Nf4 12.g3 Ne6 13.Bg2 de5 14.de5 c6 15.0–0 Qc7 16.Rfe1 Ndc5 17.Nc5 Nc5 18.Nd4 Na4 19.f4 Qb6 20.Rab1 Nb2 21.Qb2 Qb2 (21...Qc5 22.Rbd1–/+) 22.Rb2= f6 23.Nf3 Rd8 24.h3 Ra3 25.Kf2 Rdd3 26.g4 h5 27.Nh4 hg4 28.hg4 Bg4 29.Ng6 Kf7 30.ef6 Bf6 (30...ef6 31.Nh4 Rd7 32.Reb1=) 31.Ne5 Be5 32.Re5 Ra7 33.Re3 Rd4 34.Kg3 Bf5 35.Bf1 Be6 36.Rc3 Ra4 37.Rb7 Bc4 38.Bc4 Rac4 39.Re3 Re4 ½–½. Boschetti,Claudio (2150) – Cacciola,Alfredo (2105), San Bernardino SUI, Open, 2013. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0–0 5.c4 d6 6.Nbd2 Nbd7)

7.Qc2 Re8 8.e4 e5 9.de5 Ne5 10.Ne5 de5 11.Be2 Nd7 12.c5 Nf8 13.Bc4 Qe7 14.0–0 Bd7 15.Bd5 Rab8 16.f4 Bb5 17.Nc4 Bc4 18.Bc4 (worse is 18.Qc4 c6–/+) 18...ef4 19.Bg7 Kg7 20.Rf4 f6 21.Raf1 Nd7 22.Qa4 a6 23.c6 bc6 24.Qc6? (better is 24.Ba6 Rb4 25.Qd1–/+ (25.Qc6? Rb6 26.Qc4 Ra8–+)) 24...Ne5–+ (24...Rb4?! 25.Qc7 (25.Ba6? Rb6 26.Qc4 Ra8–+) 25...Qc5 26.Qc5 Nc5 27.Bd5 Ne4 28.a3+=) 25.Qa6 Rb6 (25...Rb4?! 26.Bd5 Qc5 27.Kh1=; 25...Nc4?! 26.Qc4 Rb4 27.Qc3=) 26.Qa3 (better is 26.Qa7 Nc4 27.Rc1–+) 26...Nc4 27.Qc3 Qb4 28.Qb4 Rb4 29.Rf6 Ne5 30.Ra6 Re4 31.a4 c5 32.Ra7 Kh6 33.Rc7 Nd3 34.a5 Ra4 35.h4 Ra5 36.Rff7 Kh5 37.Rh7 Kg4 38.Rcg7 (38.Kh2–+) 38...Nf4 39.h5 0–1. Khudiakov,Alexander Sr – Gurevich,Vladimir (2435), UKR–chT Alushta, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0–0 6.Nbd2 Nbd7)

7.e4 a5 8.b5 e5 9.a4 ed4 10.Bd4 Ne4 11.Bg7 Re8 12.Ne4 Re4 13.Be2 Kg7 14.0–0 Nc5 15.Re1 Qf6 16.h3 Bf5 17.Rc1 h5 18.Nd2 (18.Qd5 Rae8 19.Qd1 R4e7–+) 18...Rd4 19.Bf3 Bh3! 20.gh3 (20.Re3 Bf5–+) 20...Qg5 21.Bg2 Rd2 (worse 21...Qd2 22.Qd2 Rd2 23.Re7–+) 22.Qf3 Nd3 (22...Na4?! 23.Qb7 Rd8 24.Qc7–/+) 23.Qe3 (23.Qb7 Ne1 24.Re1–+) 23...Qe3 24.fe3 (24.Re3?? Nc1 25.Bb7 Rb8–+) 24...Nc1 25.Rc1 Re8 26.e4 (26.Rc3 Re2 27.Bb7 R8e3 28.Re3 Re3–+) 26...Re5 27.Rc3 (27.Kh1–+) 27...Rg5 28.Rc1 Rgg2 29.Kh1 Rh2 30.Kg1 Rdg2 (30...Rh3 31.c5–+) 31.Kf1 Rh1 (better 31...Ra2 32.Kg1–+) 32.Kg2 Rc1 0–1. grahamtrue (2235) – pierred (2795), net–chess.com, 2016.

7.e4 c5 8.bc5 dc5 9.d5 Qb6 10.Rb1+= Qa5 (10...Qc7 11.Qc2+=) 11.Qc2+– Qa3 (11...Qa2?? 12.Ra1 Qb2 13.Qb2 Ne4 14.Qa3 Ba1 15.Ne4+–) 1–0. guestkpqe – guestywid, internet free game, 2018.

7.e4 Nh5 8.Qb3 e5 9.de5 Ne5 10.Ne5 Be5 11.Be5 de5 12.0–0–0 Qe7 13.g3 Bg4 14.f3 Be6 15.Qb2 Rfd8 16.Be2 Ng7 17.c5 (17.Qe5 Qb4 18.Qb2 Qc5+=) 17...b6 (better is 17...a5!? 18.a3 ab4 19.Qb4 Rd4–/+) 18.Qe5= bc5 (18...f6!? 19.Qb2 bc5=) 19.Qc5+= Qc5 20.bc5 Ba2 21.Kb2 Be6 22.Kc3 a5 23.Ra1 Bc8 24.Bc4 Ne6 25.Bd5 Ra7 26.c6 f5 27.Nb3+– fe4 28.fe4 Kg7 29.Na5 Rf8 30.Nb7 Rf3 31.Kc4 Raa3 32.Ra3 Ra3 33.Kb4 Re3? 34.Ra1 Nd4 35.Kc4 Nf3 36.Ra2 Kf6 37.Rf2 Ke5? 38.Nc5 h5 39.Nd3 Kd6 40.Rf3! Ba6 41.Kd4 (41.Kd4 Rd3 42.Rd3 Bd3 43.e5 Ke7 44.Kd3+–) 1–0. Lebed,Petr – Milko,Sergey, Kiev, 2002.

6.Nbd2 e5

7.e4 ed4+= 8.Bd4 Nc6 9.Bc3 Re8 10.Be2 Ne4 11.Bg7 Kg7 12.b5?? (12.Ne4 Re4 13.b5 Ne5 14.Ne5 Re5–/+) 12...Nd2 (better is 12...Nc3 13.bc6 Nd1 (worse is 13...Re2 14.Qe2 Ne2 15.cb7 Bb7 16.Ke2–+; 13...Ne2?! 14.cb7 Bb7 15.Kf1–+) 14.Rd1 bc6–+) 13.Qd2–/+ Ne5 14.0–0 b6 15.Nd4 Bb7 16.f4 Nd7 17.f5 Qe7 18.Bf3 Bf3 19.Rf3 Nf6 20.Raf1 Rf8? 21.g4?? Kg8? 22.Qg5?? Qe5+= 23.Nc6 Ne4 24.Qh6 Qg7 25.Qf4 Rfe8? 26.f6+– g5 27.Qe4 Re4 28.fg7 Rg4 29.Kh1 Rf4 30.Rf4 gf4 31.Rf4 Kg7 32.Kg2 a6 33.a4 ab5 34.ab5 Ra2 35.Kg3 Ra3 36.Kg4 Ra2 37.Nd8 Rh2 38.Rf7 Kg6 39.Rc7 Rc2 40.Nb7 d5 41.Rc6 (41.Rc6 Kf7 42.cd5+–) 1–0. Lebed,Petr – Novoselsky,Oleg, Kiev, 2002.

7.de5 Ng4 8.Qb3 Ne5 9.Ne5 de5 10.Rd1 Nc6 11.Nf3 Nd4 12.Nd4 ed4 13.e3 Re8 14.Bd4 Bd4 15.Be2 Qg5 16.Rd4 Qg2 17.Rf1 Bh3 18.Qc3 a5 19.b5 b6 20.a3 c5 21.bc6 Qc6 22.Rg1 Rad8 23.Qd2 Rd4 24.Qd4 Be6 25.Qf6 Qd6–/+ 26.Rg4 Qa3–+ 27.Rd4 Qc3 28.Kd1 a4 29.Qf3?? Bf5 30.Qf5 gf5 31.Rd3 Qc4 (32.Rd4 Qb3 33.Kd2 Qb2 34.Kd1 Rc8–+; better is 31...Qa1 32.Kd2 a3 33.Bf3–+) 0–1. Fritz 5.32 – Crafty 19.01, 2004.

7.de5 Ng4 8.Qb3 Ne5 9.Ne5 de5 10.e3 Be6 11.Be2 f5 12.Qc3 Rf7 13.0–0 Nc6 14.Rfd1 Qe7 15.c5 e4 16.Qa3 Ne5 17.Rac1 Qg5 18.Be5+= Be5 19.f4 ef3 20.Nf3 Qf6 21.Ne5 Qe5 22.Bf3 c6= 23.Rd2 Re8 24.Qc3 Qc3 25.Rc3 Rfe7 26.a4 a6 27.Kf2 Kf7 28.Rd6 Rd7 29.Rd7+= Bd7 30.Rd3 Re7 31.h4 Be6 32.Rd8 Bb3 33.a5 Bc2 34.Rb8 h6 35.Rd8 Be4 36.Rb8 Bf3 37.gf3+= g5 38.h5 Kg7 39.Rd8 Kf7 40.Rh8 Kg7= 41.Rd8 Kf7 42.Rb8 Kg7 43.e4 fe4 44.fe4 g4 45.Kg3 Kf6 46.Rf8 Ke5 47.Rg8 Ke4= 48.Kg4 Kd5 49.Rh8 Kc4 50.Rh6 Kb4 51.Kf5 Ka5 52.Re6 Rh7 53.Kg6+– Rh8 54.h6 Kb4 55.Re5 a5 56.Kg7 Rd8 57.h7 Rd7 58.Kg6 Rd8 59.Kg7 a4 60.h8Q+– Rh8 61.Kh8 a3 62.Kg7 a2 63.Re1 Kc5 64.Ra1 b5 65.Ra2 b4 66.Rc2 ½–½. Mishuchkov,Nikolai M – Galkin,A, Memorial M.Chigorin, St. Petersburg (Russia), 1995.

6.Nbd2 Bf5

7.h3 a5 8.g4 Bd7 9.b5 d5 10.e3 a4 11.g5 Ne4 12.Ne4 de4 13.Nd2 Bf5 14.Bg2 c6 15.bc6 Nc6 16.Be4 Qa5 17.Bc6 bc6 18.Rc1 Rfb8 19.Bc3 Qd8 20.e4 Bd7 21.f4 Rb7 22.Nf3 c5 23.Qd2 Qc7 24.Ne5 Be5 25.fe5 cd4 26.Bd4 Be6 27.c5 Qc6 28.0–0 Bh3 29.Rf2 Rab8 30.Qf4 Be6 31.Rd2 Rb1 32.Rb1 Rb1 33.Kh2 Kg7 34.Qh4 Rb4 35.Bf2 Rb8 36.a3 Qa8 37.Rd3 Rb3 38.Re3 Qb8 39.Qg3 Qc7 40.Qf4 Rb2 41.Rc3 Bb3 42.Kh1 Kg8 43.Rh3 Be6 44.Rc3 Qc6 45.Qf3 Bb3 46.Rd3 Qc7 47.Bg3 Qc8 48.Be1 Rb1 49.Qf2 Ra1 50.e6 fe6 51.c6 e5 52.Qg3 Qc7 53.Qh4 Rc1 54.Rd7 Qa5 55.c7 Qe1 56.Qe1 Re1 57.Kg2 Rc1 58.Rd8 Kg7 59.c8Q Rc8 60.Rc8 h6 61.gh6 Kh6 62.Rc5 Kg5 63.Re5 Kf6 64.Rc5 e6 65.Kf3 g5 66.Kf2 e5 67.Rc6 Kf7 68.Kf3 Bd1 69.Kg3 g4 70.Rb6 Ke7 71.Rb1 Bf3 72.Rb4 Bd1 73.Rc4 Kd6 74.Kg2 Kd7 75.Rc5 Bf3 76.Kf2 Be4 77.Re5 Bf3 78.Ra5 Kd6 79.Ra4 Ke5 80.Ke3 Kd5 81.Rf4 Kc5 82.a4 Kb6 83.Rf5 Ka6 84.a5 Bb7 85.Kf4 Bf3 86.Re5 Ka7 87.Re6 Bd5 88.Rg6 Bf3 89.Kg3 Be2 90.Rh6 Bf3 91.a6 Be2 92.Rd6 Ba6 93.Kg4 Bc4 94.Kf5 Kb7 95.Ke5 Kc7 96.Rd4 Be2 97.Kd5 Kb6 98.Rb4 Ka5 99.Kc5 Ka6 100.Rb3 Bg4 101.Rb8 Bf3 102.Rf8 Be4 103.Re8 Bf3 104.Re7 Bg4 105.Re4 Bf5 106.Re3 Bg4 107.Re8 Bf3 108.Re6 Kb7 109.Re3 Bg2 110.Re2 Bh3 111.Re7 Ka6 112.Re8 Bf5 113.Kc6 Ka7 114.Re7 Ka6 115.Re3 Ka7 116.Re8 Bg6 117.Rd8 Bf5 118.Rd2 1–0. Fritz 5.32 – Fritz 6, 2003.

7.h3 a5 8.g4 Bd7 9.g5 Ne8 10.b5 d5 11.cd5 Bb5 12.Rb1 Nd6 13.e4 Bf1 14.Rf1 c6 15.dc6 Nc6 16.Ne5 Nb4 17.Qb3 Rc8 18.f4 b5 19.f5 Nc2 20.Ke2 gf5 21.ef5 a4 22.Qf3 a3 23.Ba1 Na1 24.Ra1 f6 25.Qd5 Kh8 26.gf6 ef6–+ 27.Nef3 Re8 28.Kd1?? Nc4 29.Qe6 Ne3 30.Ke2 Nf5 (31.Qe8 Qe8 32.Kf2 Qe3 33.Kg2 Bh6–+) 0–1. Fritz 5.32 – Fritz 6, 2004.

7.h3 Nc6 8.g4 Bc8 9.a3 e5 10.d5 Ne7 11.Bg2 c6 12.e4 cd5 13.cd5 Bd7 14.Rc1 Bb5 15.Qb3 Rc8 16.Rc8 Qc8 17.a4 Bd7 18.b5 h5 19.Ba3 hg4 20.hg4 Bg4 21.Bd6 Re8 22.Qb2 Nd7 23.Rh4 Nb6 24.Be5 g5 25.Rh1 Na4 26.Qa1 Be5 27.Ne5 Qc3 28.Qc3 Nc3 29.Ng4 Ned5 30.Kf1 Nc7 31.Nf6 Kg7 32.Ne8 Ne8 33.e5 Nb5 34.Bb7 a5 35.Kg2 a4 36.Ra1 a3 37.Nc4 1–0. Fritz 5.32 – EXchess 3.11, 2003.

7.h3 Nc6 8.g4 Be4 9.b5 Na5 10.e3 d5 11.g5 Nd7 12.Ne4 de4 13.Nd2 f5 14.gf6 Nf6 15.Bc3 c6 16.Qa4 b6 17.bc6 Qd6 18.d5 Qc7 19.Rb1 Rac8 20.Bg2 Ne8 21.Ba5 ba5 22.Rb7 Qe5 23.Ne4 Nd6 24.f4 Qh5 25.Nd6 Bc3 26.Kf2 ed6 27.c5 dc5 28.d6 Qh4 29.Ke2 Kh8 30.d7 Ra8 31.c7 Qh5 32.Bf3 Qf5 33.Rc1 Qf6 34.Bg4 Qd6 35.Rc3 Qa6 36.Qb5 1–0. Fritz 5.32 – Doctor? 3.0, 2003.

7.h3 h6 8.g4 Bc8 9.g5 hg5 10.Ng5 d5 11.e3 Qd6 12.c5 Qd8 13.Rg1 Bf5 14.Bg2 e6 15.Ngf3 a5 16.b5 Qe8 17.Qe2 a4 18.Ba3 Qe7 19.Nh4 Be4 20.Ne4 de4 21.Bh1 Ra5 22.Bb4 Ra8 23.a3 c6 24.Rb1 e5 25.de5 Nd5 26.Rg4 Nb4 27.ab4 Qe5 28.bc6 Nc6 29.Be4 a3 30.Ng6 fg6 31.Qa2= Kh7 32.Bg6 Kh6 33.Be4 Bf6?? 34.Rb3?? Rfd8?? 35.b5 Rg8?? 36.bc6 Rg4 37.hg4 Qe4 38.cb7 Rd8 39.g5 Kg5 40.f4 Kf5 41.Qb1 Qb1 42.Rb1 a2 43.Rc1 a1Q 44.Ra1 Ba1 45.c6 Bc3 46.Ke2 Ba5 47.Kf3 Ke6 48.c7 Bc7 49.e4 Rb8 50.Kg4 Rb7 51.Kg5 Rb1 (52.f5 Ke5–+) 0–1. Fritz 5.32 – Fritz 8, 2004.

7.Nh4 Bd7 8.e3 a6 9.Be2 Nc6 10.a3 e6 11.0–0 Ne7 12.Nhf3 d5 13.a4 c6 14.Qc2 a5 15.ba5 Ra5 16.Bc3 Ra7 17.a5 dc4 18.Nc4 Ned5 19.Bd2 Qc7 20.e4 Ne7? 21.Bb4+– Re8 22.Nd6 Rb8 23.Nb5 (23...Qf4 24.Na7+– (24.Be7?! cb5 25.e5 Rc8+/–)) 1–0. MarcosRamos – picakiu, internet, 2007.

6.d5 e5

7.Nc3 e4 8.Nd4 e3 9.fe3 Ng4 –/+.

7.e3 a5!? 8.b5 Bf5 –/+.

7.e3 Ne8 8.Nbd2 f5 9.e4 (9.h4 a5=) 9...f4 (9...a5!? 10.a3 Na6=) 10.Be2+= g5 (10...a5 11.a3+=) 11.h3 h5 (11...a5 12.a3+/–) 12.Qc2 Nf6 (12...Na6 13.Bc3+/–) 13.0–0–0 (13.Ng5 Nd5 14.cd5 Qg5 15.Qc7 Qg6+–) 13...g4 (13...a5 14.b5 Nbd7 15.Ng5+/–) 14.hg4 hg4 (14...Bg4 15.c5+–) 15.Ng5 Qe8? (15...Nd5 16.cd5 (worse is 16.ed5 Qg5 17.Qh7 Kf7+/–) 16...Qg5 17.Qc7+/–) 16.Kb1 Qg6 17.Ne6 Be6 18.de6 Re8 19.Rh4 Re6 20.Rdh1 Nc6 21.a3 a5 22.b5 Ne7 23.Nf1 Kf7 24.Nh2 g3?? 25.fg3+= fg3? 26.Ng4 Ng4?? 27.Rg4+– Qf6 28.Rf1 Qf1 29.Bf1 Rf6 30.Bd3 Rh8 31.Rg3 Rh1 32.Ka2 Ng6 33.Rf3 Nf4 34.a4 b6 35.g3 Nh5 36.Rf6 Nf6 37.Qg2 Rh6 38.g4 Rg6 39.Be2 Bh6 40.Qf2 Bf4 41.Kb1 Ng4 42.Bg4 Rg4 43.Bc1 Kf6 44.Bf4 Rf4 45.Qg2 Rh4 46.Kc2 Rh5 47.Kd2 Rg5 48.Qh3 Rg1 49.Qh2 Ra1 50.Ke3 Ra3–+ 51.Kf2 Ra2 52.Kg1 Rh2 53.Kh2 Kg5 54.Kg2?? Kf4–+ 55.Kf2 Ke4 56.Ke2 Kd4 57.Kd2 Kc4 0–1. baumaxa – solaris8, kurnik, 2011.

7.de6 Be6 8.e3 Nc6 9.Qc2 (9.b5!? Ne7 10.Bd3+=) 9...Nb4 10.Qc3 (10.Qb3 a5–+) 10...Na6 (10...a5!? 11.Be2–+) 11.Be2 Qd7 12.Nbd2 Rae8 (better is 12...Nc5!? 13.Qa3 Na4–+) 13.Ne4+= Nh5 14.Qc2?? (14.Qg7! Ng7 15.Nf6 Kh8 16.Nd7 Bd7 17.Nd4+=) 14...Nb4 (better is 14...Bf5 15.Nfd2 Bb2 16.Qb2 Be4 (worse is 16...Re4 17.Bh5 gh5 18.Ne4 Be4 19.f3–+) 17.Ne4 Re4 18.Bh5 gh5 19.Qb7 Nc5–+) 15.Qb3–/+ a5 16.Bg7 Ng7?? 17.a3 Nc6?? 18.Nf6+– Kh8 19.Nd7 Bd7 20.Qc3 f5 21.Nd4 Ne5 22.Nf3 Ng4?? 23.Ng5 h6 24.Nh3 Ne5 25.Nf4 g5 26.Nd3 Nc6 27.h4 Kg8 28.hg5 hg5 29.Bh5 Re6 30.Ke2 f4 31.Kd2 fe3 32.fe3 Rf2 33.Ke1 Rg2 34.Rf1 Re3–+ 35.Kd1 Nh5 36.Rh1 Ng3 37.Qh8+– Kf7 38.Rh7 Ke6 39.Qg8 Kf5 40.Rf7 Kg4 41.Nf2 Rf2+= 42.Rf2 Bf5 43.Qf7 Be4? 44.Kd2?? Rd3+= 45.Kc1 Nd4 46.Kb2 Nge2 47.Raf1?? Rb3 48.Ka1= Ra3 49.Kb2 Rb3 50.Ka1 Nc2?? 51.Ka2+– Ned4?? 52.Rg1 Kh3 53.Qh5# 1–0. baumaxa – solaris8, kurnik, 2011.

6.e3

6.e3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.d4).

6.e3 Nbd7 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.d4 Nbd7).

6.e3 Nbd7 7.Be2 c6 8.0–0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 c6 6.Be2 d6 7.0–0 Nbd7 8.d4+=).

6.e3 Nbd7 7.Be2 e5 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.d4 e5 7.Be2 Nbd7).

6.g3 a5

7.a3 ab4 8.ab4 Ra1 9.Ba1 c5 10.dc5 dc5 11.Qd8 Rd8 12.b5 Bf5 13.Nbd2 Bc2 14.Bg2 Nbd7 15.0–0 b6 16.Rc1 Bf5 17.Bb2 Ne4 18.Bg7 Kg7 19.Ne4 Be4 20.Rd1 f6 21.g4 Kf7 22.Ng5 fg5 23.Be4 e6 24.Rd6 Ke7 25.Rc6 Rb8 26.h3 Ne5 27.Rc7 Kd6 28.Rh7 Nc4 29.Bg6 Na3 30.h4 gh4 31.Rh4 Nb5 32.g5 Nd4 33.Bd3 b5 34.g6 Rg8 35.Kf1 b4 36.Ke1 b3 37.Kd2 b2 38.Kc3 Rb8 39.g7 1–0. kallekusta (1855) – fanchess (1710), kurnik, 2012.

7.a3 c6 8.Nbd2 e5 9.de5= Ng4 10.Bg2 de5 11.e4 (11.h3 e4 12.Bg7 ef3 13.Bf8 fg2+=) 11...ab4= (11...Qc7= 0.12) 12.ab4 (12.h3 Nh6 13.ab4 Ra1 14.Qa1 Na6 15.Be5 Nb4+=) 12...Ra1 13.Qa1 Na6 14.h3 (14.Ne5? Nb4 15.0–0 Ne5 16.Be5 Be5 17.Qe5 Qd2–+) 14...Nb4 15.0–0 Nf2 (15...Nf6!?=) 16.Kf2 Qb6 17.Ke2 Nc2 18.Qb1 Qe3 19.Kd1 Nd4 20.Bd4 ed4 21.Ne1 Qg3= 22.Qd3 Qg5 23.Rf2 Be6 24.Ke2 Ra8+= 25.Nef3 Qh5 26.Rf1+= Ra2 27.Kf2 Qh6 28.Rb1= Bh3 29.Bh3 Qh3 30.Rb7 Be5 31.Qb3 Qg3 32.Ke2= Ra8 33.Rf7 d3= 34.Ke3 Rd8?? 35.c5+– Kh8 36.Qe6 Bd4 37.Kd3 Bc5 38.Kc2 Qd6 39.Qd6 Bd6 40.e5 Bf8 41.Ne4 Bg7 42.e6 Re8 43.e7 Kg8 44.Nd6 h6 45.Kd3+– g5 46.Ke4 Bf8 47.Rf8 Rf8 48.Ke5 g4?? 49.Nd4 Ra8 50.Ne6 (50.Ne6 g3 51.Nd8 Ra5 52.Kf6 Rg5 53.e8Q Kh7 54.Qe4 Kg8 55.N8f7 Rf5 56.Qf5 h5 57.Qg6 Kf8 58.Qg7#) 1–0. Labib,I (2425) – Sorial,H (2315), zt, 2000.

7.b5 c6 8.Nc3 Bf5 9.Bg2 Qc8 10.Na4 Qd8 11.0–0 d5 12.bc6 bc6 13.Ne5 Ra6 (13...Qd6 14.e3=) 14.Rc1 Qd6 15.Qb3 Qb4 16.Ba3 Qb3 17.ab3 Re8 18.cd5 cd5 19.Rc7 Bf8 (19...Ne4 20.g4 Be6 21.Rfc1+=) 20.Rfc1+/– Kg7 21.Bf1 Ra8 22.Nb6 Ra6 23.Bc5 Ne4 24.e3 Nc5 25.dc5 Rd8 26.Ba6 Na6 27.Ra7 Nb4 28.Ra5 f6 29.Ra4 fe5 30.Rb4 d4 31.Nc4 d3 32.Nd2 Rc8 33.c6 e6 34.Rb7 Kh6 35.b4 Bd6 36.f3 g5 37.Kf2 Bg6 38.e4 Be8 39.b5 Kg6 40.Ke3 Ba3 41.Rc3 Bb4 42.Rd3 Bc5 43.Ke2 h5 44.Nc4 Kf6 45.Nd6 Bd6 46.Rd6 g4 47.Rd2 Bc6 48.bc6 (48.bc6 Rc6 49.fg4 hg4 50.Rdd7+–) 1–0. Lyngsjo,G (1825) – Svanholm,B (2000), Politiken Cup, Helsingor DEN, 2009.

5.d4 c6

6.Nc3 Qb6 7.Qb3 Bf5 8.0–0–0 a5 9.ba5 Qb3 10.ab3 Ng4 11.Re1 Nf2 12.Rg1 Bh6 13.e3 Ra5 14.b4 Ra8 15.Nd2 Na6 16.Na2 Bd3 17.b5 cb5 18.cb5 Rc8 19.Bc3 Nc7 20.b6 Nd5 21.Kb2 Bf1 22.Ref1 Be3 23.Ba5 Nd3 24.Kb1 Bg1 25.Rg1 N3f4 26.Nf3 Ra8 27.Bd2 Ra6 28.Ka1 Kd7 29.Bf4 Rha8 30.Kb1 Ra2 31.Bd2 Nb6 32.h4 Nc4 0–1. EXchess 3.11 – Fritz 5.32, 2003.

6.Nbd2 d5 7.e3 Nbd7 8.Bd3 0–0 9.0–0 Re8 10.Qc2 e5 11.de5 Ng4 12.e6 fe6 (12...Re6 13.Bg7 Combination; 12...fe6 13.Bg7 Combination) 13.e4 Nde5 14.h3 (better is 14.Rab1!?+=) 14...Nd3=+ 15.Bg7 Kg7 (15...Ngf2 16.Bd4 de4 17.Ne4 Ne4 18.Qd3 e5 19.Qe4 Bf5=+ (< 19...ed4 20.Qd4 Be6 21.Qc3=)) 16.Qd3+/– Nf6 17.e5 Nd7 18.Rfe1 h6 19.Rad1 Qe7 20.a3 a5 21.Re3 Rg8 22.Nd4 Nf8 23.c5 g5 24.N2f3 Bd7 25.h4 Ng6 26.h5 Nf4= 27.Qb1 Nh5 28.g3 Be8 29.Rf1 Bg6=+ 30.Qd1 ab4 31.ab4 Kh7 32.Nh2 Rgf8 33.Kg2 Qf7 34.Ng4 Ra2 35.Re2 Ra3 36.Rh1? Rd3–+ 37.Nh6?? Be4 38.f3 Bf3 39.Kf2 Rd1 40.Nf7 Bh1 (40...Bh1 41.Ke3 Rf7–+; 40...Rh1?! 41.Ng5 Kg8 42.Ngf3–+; 40...Rd4?! 41.Ng5 Kg6 42.Nf3 Rb4 43.Rh4–/+; 40...Rf7?! 41.Rd1 Be2 42.Ke2 Ng3 43.Kd3–+) 0–1. Vorobjov,P (2110) – Holvason,J (2105), ch–EST, Rakvere EST, 2009.

6.e3 0–0 7.Be2 a5 8.b5 cb5 9.cb5 Nbd7 10.Nc3 Nb6 11.0–0 a4 12.Ba3 Be6 13.e4 Nh5 14.Re1 Qd7 15.Bb4 Rfc8 16.Ng5 Nf4=+ 17.Bf1 Bc4 18.Qf3 e5 19.de5=+ Be5 20.g3 Ne6 21.Ne6 Bf1 22.Rf1 fe6 23.Rad1 Rc4 24.a3 Rac8 25.Rd3 Qg7 26.Nd1= Qd7 27.Bd6 Bd6 28.e5 Nd5 29.ed6 Qd6 30.Ne3 Rc3 31.Nd5+= Rd3 32.Ne7 Qe7 33.Qd3 Rf8 34.Rc1 Qf6 35.Qe3 Qf5 36.Rc5 Qb1 37.Kg2 Qb3 38.Qb3 ab3 39.Rc3 b2 40.Rb3 Ra8 41.Rb2 Ra3 42.Rc2 Rb3 43.Rc8 Kf7 44.Rc7 Kf6 45.Rb7 h5 46.h4 e5 47.b6 e4? 48.Rb8+– Rb1 49.b7 Kg7 50.g4! hg4 51.Kg3+– Rb4 52.Kf4 Kh7 53.Kg5 ½–½. Kushch,N (2420) – Kuzmin,Gen (2475), 3rd UKR Games Men, Evpatoria UKR, 2007.

6.e3 Nbd7 7.h3 0–0 8.Bd3 b6 (8...e5 9.de5 de5 10.e4= (10.Be5? Ne5 11.Ne5 Nd7 12.Nc6 bc6–+)) 9.0–0 Bb7 10.Nc3 d5 (10...c5 11.a3=) 11.c5 (11.cd5 cd5 12.Rc1 a5+=) 11...bc5 (11...a5 12.a3=) 12.bc5+= Qc7 13.e4 (13.Rb1!?+=) 13...de4=+ 14.Ne4 (14.Be4 Nc5 15.Bg6 hg6 16.dc5 Nd7=) 14...Ne4 15.Be4 Rab8 (15...Ba6!? 16.Re1 Nc5=+) 16.Qe2= Nf6 17.Rfe1 Ne4 (17...Ba6! 18.Qa6 Ne4 19.Re4 Rb2=) 18.Qe4+= Bc8 (18...Rfe8 19.Bc1 Qd7 20.Rb1+/–) 19.Bc1+/– e6? (19...Rb7 20.Bf4 Bf5 21.Bc7 Be4 22.Re4 Rc7 23.Rae1=) 20.Be3?? (better is 20.Bf4 f5 21.Qe3+–) 20...f5 (20...Qd8 21.Bf4 (21.Qc6?! Bb7 22.Qa4 Bf3 23.gf3 Qd5=) 21...Rb2 22.Bd6+/– (< 22.Qc6 Bb7 23.Qd6 Bf3 24.Qd8 Rd8 25.gf3 Bd4–/+)) 21.Qf4+/– Qf4 22.Bf4 Rb4 23.Red1 Ba6+= 24.Be5 ½–½. hgrayson (1900) – johnrbrown (2020), net–chess.com, 2006.

6.e3 Qb6

7.Qb3 Na6 8.Bc3 Ne4 9.b5 cb5 10.cb5 Nc7 11.Bc4 0–0 12.a4 a5 13.0–0 Bg4 14.Nfd2 Nc3 15.Nc3 e5 16.de5 de5 17.Rac1 Rad8 18.Nde4 Rd7 19.h3 Be6 20.Be6 Qe6 21.Nc5 Qb3 22.Nb3 b6 23.Rfd1 Rfd8 24.Rd7 Rd7 25.e4 Bh6 26.Rd1 Rd1 27.Nd1 Ne8 28.Nc3 Nf6 29.Nd5 Nd5 30.ed5 Kf8 31.h4 Ke7 32.g4 Bf4 33.g5 Kd6 34.Kg2 Kd5 35.Kf3 Kc4 36.Na5 Kb4 37.Nb7 Ka4 38.Nd6 Kb4 39.Ke4 Kc5 40.Nf7 Kb5 41.Nd6 Kc5 42.Ne8 b5 43.Kd3 b4 44.Nf6 h5 45.Nd7 Kd5 46.Nf8 e4 47.Ke2 b3 48.Kd1 Bd6 49.Ng6 Ke6 50.Nh8 Bc5 51.g6 Kf6 52.Nf7 Kg6 53.Ng5 Bf2 54.Ne4 Bh4 55.Kd2 Bf6 56.Nc5 b2 57.Kc2 Kf5 58.Nb3 h4 59.Nd2 h3 60.Nf1 Be5 61.Ne3 Kf4 62.Nf1 Kf3 63.Nh2 Bh2 0–1. Fritz 6 – Fritz 5.32, 2003.

7.Qb3 Na6 8.Bc3 Ne4 9.b5 cb5 10.Qb5 Qb5 11.cb5 Nc7 12.Nfd2 Nc3 13.Nc3 e5 14.de5 de5 15.Bc4 Be6 16.Be6 Ne6 17.Rd1 Rd8 18.Nde4 Rd1 19.Kd1 Ke7 20.Nd5= Kd7 21.Ke2 f5 22.Nef6 Bf6 23.Nf6 Ke7 24.Nd5 Kf7 25.Rd1 Rd8 26.a4 g5 27.h3 h5 28.f3 h4 29.b6 a5 30.e4 Kg7 31.Rc1 Kh6 32.Kf2 fe4 33.fe4 Rf8 34.Ke3 Kh5 35.Rc3 Rf1 36.Rc4 Nf4 37.Nf6 Kg6 38.Ng4 Re1 39.Kf2 Re2 40.Kf1 Rg2 41.Ne5 Kf6 42.Nd7 Kg6 43.Rc7 g4 44.Ne5+/– Kf6 45.Ng4 Ke6 46.Rh7 Ra2 47.Rh6 Ke7 48.Rh4 Ra4 49.Ne3 Ra1 50.Kf2 Nd3 51.Ke2 Nc1 52.Kf3+– Ke6 53.Rh6 Ke5 54.Rh7 a4 55.Rb7 a3 56.Rc7 a2 57.b7 Rb1 58.Rc1! Rb7 59.Rc5 Ke6 60.Ra5 Rb2 61.h4 Rd2 62.Ra6 Kf7 63.h5 Rb2 64.e5 Rd2 65.e6 Kf6 66.h6 Rb2 67.Nd5 Kf5 68.e7 Rb3 69.Ne3 Re3 70.Ke3 (70...a1Q 71.Ra1 Ke5 72.e8Q Kd5 73.Rc1 Kd6 74.Rc6 Kd5 75.Qe6) 1–0. Fritz 6 – Fritz 5.32, 2004.

5.d4 Bd7

6.Nbd2 0–0 7.e4 e5 8.de5 Ng4 9.Be2 Nc6 10.0–0 Re8 11.Nd4 Be5 12.Nc6 Bh2 13.Kh1 Qh4 14.Nf3 Nf2 15.Rf2+/– Qf2 16.Kh2 Re4+= 17.Ncd4 Rae8 18.Qe1 Re2 19.Ne2 Re2 20.Qf2 Rf2 21.Bd4 Rc2 22.Ba7 Bc6 23.Nd4 Rg2 24.Kh3 Rb2 25.Nc6 bc6 26.a3 Rc2 27.Bb8 Rc4 28.Bc7 d5 29.Bd6 Kg7 30.a4+/– Rc3 31.Kg2 Kf6 32.a5+– Kf5?? 33.a6 Rc2 34.Kf1 Ke6 35.a7 Kd6 36.a8Q h5 37.Re1 (37...Rf2 38.Kf2 c5 39.b5 Kc7 40.Re7 Kd6 41.Qd8) 1–0. Fritz 5.32 – Comet B25, 2004.

6.Nc3 0–0

7.e4 Nc6 8.b5 Na5 9.Bd3 Re8 10.0–0 c5 11.dc5 Rc8 12.cd6 ed6 13.Qe2 Nh5 14.g3 Bg4 15.Kg2 Qf6 16.Na4 Bf3 17.Qf3 Qf3 18.Kf3 Nc4 19.Bg7 Kg7 20.Kg2 Ne5 21.Be2 Nf6 22.f3 Rc2 23.Rf2 d5 24.ed5 Nd5 25.Bd1 Rf2 26.Kf2 Nd3 27.Kg2 Re1 28.h4 Ne3 29.Kh2 Nd1 30.b6 ab6 31.Nb6 Ne5 32.g4 Nf3 33.Kg3 Nd4 34.Nd5 f5 35.Rb1 Rg1 36.Kf4 Rg4 0–1. EXchess 3.11 – Comet B25, 2003.

7.e4 Re8 8.Be2 e5 9.de5 de5 10.0–0 Nc6 11.Re1 Nb4 12.Qb3 Nc6 13.Rad1 Qc8 14.Rd3 Bf8 15.Red1 Na5 16.Qc2 Nc4 17.Nd5 Nd5 18.Qc4 Nb6 19.Qc1 Bb5 20.Be5 Nd7 21.Bf4 Bd3 22.Bd3 Nc5 23.Qe3 Nd3 24.Qd3 Qg4 25.Be5 Bg7 26.Bg7 Kg7 27.Qc3 Kg8 28.e5 Rad8 29.Rb1 Qe4 30.Re1 Qd5 31.Qc7 Rc8 32.Qd6 Qa2 33.Qd7 Rb8 34.Qd4 Qa6 35.Ra1 Qb6 36.Qb6 ab6 37.Rb1 Rbd8 38.Kf1 Re6 39.h4 Kg7 40.Ke2 Rd5 41.Rc1 Rc6 42.Rb1 b5 43.Ke3 Rc4 44.Rb2 f5 45.ef6 Kf6 46.Ra2 Kf5 47.Nd2 Rh4 48.Ra7 Rhd4 49.Nf1 Rd7 50.Ra5 R4d5 51.Ke2 Kf4 52.g3 Ke4 53.f3 Kd4 54.Ne3 Rh5 55.Ng4 Re7 56.Kd2 Rh3 57.Rb5 h5 58.Rb4 Kc5 0–1. EXchess 3.11 – Comet B50, 2003.

6.e3 c5

7.bc5 dc5 8.Bd3 cd4 9.ed4 Qb6 10.Qb3 Nc6 11.Qb6 ab6 12.a3 Nh5 13.Nbd2 Nf4 14.Bf1 Bf5 15.0–0–0 Rg8 16.g3+/– Nd3 17.Bd3 Bd3 18.d5 Nd8 19.Bg7 Rg7 20.Ne5 Bf5 21.Kb2 f6 22.Nef3 e5 23.Rhe1 Bg4 24.Re3 Rc7 25.Ne4+– Kf7 26.h3 Bd7 27.g4 Ba4 28.Rd2 Kg7 29.g5 f5 30.Nd6 e4 31.Ne5 Re7 32.f4 ef3 33.Re1 Rc7 34.Nf3 Kg8 35.Rde2 Nf7 36.Nf7 Rf7 37.Ne5 Rff8 38.Kc3 Be8 39.Kb3 b5 40.c5 Rd8 41.Rd1 f4 42.Ng4 Kg7 43.Nf6 Bd7 44.Rf2 h5 45.Rf3 Bf5 46.Rd4 Rc8? 47.Kb4 Rf7 48.d6 Ra8 49.Kb5 Rff8 50.Rdf4 Rfd8 51.Nh5! Kg8 52.Nf6 Kf7 53.h4 Ra6 54.h5 Be6 55.Re4 Bf5 56.Re7 Kf8 57.hg6 Bd3 58.Rd3 (58...Ra5 59.Ka5 Ra8 60.Kb5 Ra5 61.Ka5 b6 62.Kb5 bc5 63.g7) 1–0. Fritz 6 – Comet B50, 2004.

7.bc5 dc5 8.Be2 cd4 9.ed4 Qb6 10.Qb3 Nc6 11.Qb6+/– ab6 12.0–0 Ne4 13.Rd1 Nb4 14.Nc3 Nd6 15.a3 Na6 16.Nd5 Nc8 17.c5 bc5 18.Ba6+– Ra6 19.Nc7 Kf8 20.Na6 ba6 21.Ne5 Be5+/– 22.de5 Be6 23.Kf1 Bc4 24.Ke1 Rg8 25.Rdc1 Nb6 26.a4 Bd5 27.Rc5 Bg2 28.Bd4 Nd5 29.Rb1 Kg7 30.e6 f6 31.Rb7 Re8 32.Ra7 Rb8 33.Ra6 Rb1 34.Kd2 Rb4 35.Be3 Rb2 36.Kc1 Rb4 37.a5 Rh4 38.Ra7 Rh2 39.Rd7 Rh1 40.Kb2 Rd1 41.a6 h5 42.a7 Ne3 43.fe3 Re1 44.Re7 Kh6 45.Rc2 Bd5 46.Rd7 Bf3 47.Rf2 Bc6 48.Rc7 Bd5 49.Rc5 Bb7 50.Rc3 (50...Be4 51.e7 Rb1 52.Ka3+–) 1–0. EXchess 3.11 – Comet B50, 2004.

5.d4 Nbd7

6.Qb3 c5 7.e3 0–0 8.Be2 cb4 9.Qb4 Qb6 10.Qa3 Ne4 11.0–0 Ndc5 12.Nc3 Nc3 13.Bc3 (worse is 13.Qc3 Na4 14.Qb3 Nb2+=) 13...Ne4 14.Rab1 Qc7 15.Ba5 Qc6 16.Bd3 Nf6 17.Rfc1 b6 18.Be1 Bg4 19.Nd2 Bd7 20.c5 dc5 21.dc5 bc5 22.Nb3 Qa4 23.Qa4 Ba4 24.Nc5 Bc6 25.Ne6 Rac8?? 26.Ng7 Kg7+/– 27.Ba6 Be4 28.Bc8 Bb1 29.Bb7 (29.Bb7 Ba2 30.Bc3+=) 1–0. Mikhalchishin,Adrian (2520) – Preiser,Henrik, Dortmund op–A, 1993.

6.Qc2 0–0 7.g3 c5 8.b5 cd4 9.Nd4 e5 10.Nb3 b6 11.Bg2 Rb8 12.0–0 Bb7 13.a4 Bg2 14.Kg2 Qc7 15.N1d2 d5 16.Rfc1 d4 17.a5 Nc5 18.Nc5 Qc5 19.Ne4 Ne4 20.Qe4 Kh8 21.ab6 ab6 22.Ra6 f5 23.Qc2 e4 24.Rca1 Rg8 25.Ra7 h5 26.Qd2 Kh7 27.Bd4 Qf8 28.Qg5 Qd8 29.Qd8 Rbd8 30.Bb6 Rd2 31.e3 Kh6 32.R1a2 Rd6 33.Bc7 Rd3 34.c5 Rc3 35.Bd6 Rb3 36.b6 Rc8 37.b7 Rc6 38.b8Q Rb8 39.Bb8 Rc5 40.Bf4 g5 41.R7a6 Kh7 42.Bg5 Rc7 43.Ra7 Ra7 44.Ra7 Kg6 45.Bf4 Bc3 46.h3 h4 47.Ra6 Kh5 48.g4 fg4 49.hg4 Kg4 50.Rg6 Kf5 51.Rg5 Kf6 52.Kh3 Be1 53.Rg2 Kf5 54.Kh4 Ke6 55.Kg5 Kd5 56.Kf5 Bd2 57.Rg1 Bb4 58.Rf1 Bc3 59.Rd1 1–0. racvac001 – makarena2 (1670), kurnik, 2012.

6.Nc3 b6 7.e4+= Bb7 (7...0–0 8.b5+=) 8.Qc2 (8.Bd3 c5 9.bc5 dc5+=) 8...e5 (8...c5 9.bc5 bc5 10.d5+=) 9.de5+= de5 10.Be2 (10.a3 c5+=) 10...0–0 (10...Qe7 11.a3+=) 11.0–0 Qe7 (11...c6 12.Rfd1 Qe7 13.a4+=) 12.a3 a5 (12...c6 13.Rfd1+=) 13.ba5 (13.Nd5 Bd5 14.ed5 ab4 15.ab4 e4+=) 13...Ra5 14.Nd2 (14.Nd5 Nd5 15.cd5 c6 16.dc6 Rc5=) 14...Nc5= 15.Nd5 Qd8 (15...Qd6 16.Bc3 Ra7 17.f4=) 16.Bc3 (worse is 16.Be5 Nd5 17.Bg7 Nf4 18.Bf8 Ne2 19.Kh1 Kf8–/+) 16...Ra7 17.Bb4 (worse is 17.Be5 Nd5 18.Bg7 Nf4 19.Bf8 Ne2 20.Kh1 Qf8–/+) 17...Qd6 18.f3 (18.Rfd1 Rfa8+=) 18...Nfd7 19.Nb3 Re8 (19...Bc6 20.Qc3+=) 20.Rfd1+= Qc6 21.Nc3 Bf8= 22.Nb5 Raa8 23.Rd2 Nb3 24.Qb3 Bb4 25.Qb4 Nc5 26.Rad1 Bc8 27.Rd8 Be6 28.Re8 Re8 29.Qc3 f6+= 30.Qe3 Kg7 31.h4 Na4 32.g4 h6 33.Rd2 Re7 34.Qb3 Nc5–/+ 35.Qb4 Rd7 36.Kf2 Rd2 37.Qd2+= Nb7 38.Qb4 Qd7 39.Ke1 Na5 40.Nc3 Nc6+= 41.Qb5 Qd6–/+ 42.Nd5 Bd7 43.Qa6 Nd4+= 44.Qa7 Ne6 (44...Ne2?! 45.Ke2 Be6 46.Ke1 Bd5 47.cd5= (worse is 47.ed5 Qc5–/+)) ½–½. Lebed,P (2085) – Kasharina,Olga, 5th Kurass Mem, Kyiv UKR, 2004.

6.Nc3 c5 7.bc5 dc5 8.e3 =.

6.Nbd2 0–0 7.e4 e5 8.d5 a5 9.a3 b6 (9...Qe8 10.Bd3+=) 10.Be2 h6 11.0–0 Nh7 (11...Nh5 12.g3=) 12.Ne1+= f5 13.Nd3 (13.ef5 gf5 14.Qb3 Ng5+=) 13...Ndf6= 14.f3 f4 (better is 14...fe4!? 15.fe4 Ng5+=) 15.c5+/– Ba6 16.Rc1 Nd7 17.cd6 cd6 18.Rc6 Nb8 19.Rc3 Nd7 20.Nf2 (20.Nc4 Ndf6+/–) 20...b5 21.ba5 Nc5 22.Nb3 Nb3 23.Qb3+– b4 24.Rc2 Be2 25.Re2 ba3 26.Bc3 Qc7 27.Qa3 Rfc8 28.Bb4 Bf8 29.Nd3 Nf6 30.Rc1 Qa7 31.Kf1 Qd4 32.Rec2 Rc2 33.Rc2 g5 34.Qc3 Qe3 35.Nb2 Qa7 36.Na4 g4 37.Nb6 Rb8 38.Qc7 Rb7 39.Qc8 Qa6 40.Qc4 Qa7 41.Qb5 Nd7 42.Rc6 Nb8?? 43.Rc8 Rc7 44.Bd6 Rc8 45.Nc8 Qe3 46.Qc4 gf3 47.gf3 Qf3 48.Ke1 Qe3 49.Kd1 f3?? 50.Ne7 Kf7 51.Nf5 Qg1= 52.Kc2 f2?? 53.Qc7 Kg6 1–0. Yearwood,R (2080) – Herdin,Matthew, Victoria CAN, 2012.

6.Nbd2 c5 7.bc5 dc5 8.e3 0–0 9.Be2 b6 10.0–0 Bb7 11.Ng5 Rc8 12.Bf3 Bf3 13.Ngf3 e6 14.Qa4 Qc7 15.Rad1 Rfd8 16.Rfe1 h6 17.Qb5 a6 18.Qa6 Ra8 19.Qb5 Ra2 20.Ra1 Rda8 21.Ra2 Ra2 22.Ra1 Ra1 23.Ba1 Qd6 24.Bb2 cd4 25.ed4 Bh8 26.Qa4 Bg7 27.Qa8 Kh7 28.Ba3 Qc7 29.Bb4 Qf4 30.Qc8 Bh8 31.Qc6 Bg7 32.Be7 Qb8 33.Bd6 Qd8 34.Bc7 Qc8= 35.d5 ed5 36.cd5 Nd5 37.Qd5 Qc7 38.Qf7 Qc1 39.Nf1 Nc5 40.Qe8 Nd3 41.Qb5 Nf4 42.h4 Qd1 43.N3d2 Qg4 44.Ne3 Qh4 45.Qb6 Ne2 46.Kf1 Nd4 47.Ke1 Qh5 48.Qa6 Qh1 49.Qf1 Qf1 50.Ndf1 h5 51.Ng3 h4 52.Ne4 Kh6 53.f4 Kh5 54.Kf2 Bh8 55.Nc5 g5 56.f5 Be5 57.Ne4 Bf4 58.Nf6 Kh6 59.Neg4 Kg7 60.Nh5 Kf7 61.Nh6 Ke8 62.Nf4 gf4 63.f6 Kf8 64.Ng4 Kf7=+ (65.Ke1 Kg6=+). EXchess 3.11 – Fritz 5.32, 2004.

6.e3 0–0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.d4 Nbd7).

6.e3 Nb6 7.Bd3 a5 8.b5 a4 9.0–0 h5 10.e4 Be6 11.Qe2 c5 12.dc5 dc5 13.Rd1 Qb8 14.a3 Nbd7 15.h3 h4 16.Nc3 Rh5 17.Re1 Ne5 18.Ne5 Re5 19.Nd5 Rh5 20.Rad1 b6 21.Rd2 Bd7 22.Red1 Nd5 23.cd5 Bb2 24.Rb2 Rg5 25.Qe3 f6 26.Bc4 Kf8 27.d6 e5 28.Rdd2 Kg7 29.Kh2 Qd8 30.Qd3 Qc8 31.Qd5 Qe8 32.Qb7 Rb8 33.Qa7 Kh8 34.Rbc2 Qd8 35.Qa4 Ra8 36.Qb3 Ra5 37.a4 Kg7 38.Bd5 Be8 39.Bg8 Ra7 40.Bc4 Rd7 41.Qd3 Ra7 42.Bb3 Bd7 43.Qc4 Qf8 44.Qc3 Kh8 45.Kg1 Kh7 46.Qe3 Kg7 47.Rd1 Qc8 48.Kh2 Qd8 49.Rc3 Qh8 50.Kg1 Qd8 51.Rd2 Ra5 52.Rc1 Qc8 53.Rd3 Qd8 54.Rdd1 Ra7 55.Qc3 Qc8 56.Rd3 Qa8 57.Qc4 Qe8 58.Qc2 Qc8 59.Kh2 Ra8 60.Qc4 Qe8 61.Rd2 Ra7 62.Rdd1 Ra8 63.Kh1 Ra7 64.Qd3 Ra8 65.Qc2 Kh8 66.Kh2 Kg7 67.Bd5 Ra7 68.Bc4 Qa8 69.Bb3 Qc8 70.Qc4 Qe8 71.Qd3 Qf8 72.Qe3 Qe8 73.Rd2 Qf8 74.Kg1 Qd8 75.Qc3 Qc8 76.Kh2 Qb8 77.Rcc2 Qe8 78.Qf3 Qc8 79.Kh1 Be6 80.Qc3 Bd7 81.Qe3 Ra8 0–1. Fritz 6 – Comet B25, 2003.

6.e3 c5 7.dc5 dc5 8.b5 b6 9.Be2 0–0 10.0–0 Qc7 11.Nbd2 Bb7 12.Qc2 Ng4 13.h3 Bf3 14.Nf3 Nge5 15.Ne5 Ne5 16.Be5 Qe5 17.Rad1 Rad8 18.Bf3 Rd6 19.Rd6 ed6 20.Bd5 Qg5 21.Qe4 Be5? 22.f4+– Bf4 23.Qf4 Qe7 24.e4 Kg7 25.a4 f5 26.g4 g5 27.Qe3 f4 28.Qc3 Kg6 29.Re1 h5 30.e5 hg4 31.ed6 Qh7 32.Be4 Rf5 33.Bf5 Kf5 34.Qd3 Kf6 35.Qh7 g3 36.d7 f3 37.d8Q 1–0. ludice (1755) – sacz, kurnik, 2011.

6.e3 e5 7.de5 Ng4 8.Nd4 Nde5 9.Nc3 Qh4 10.g3 Qf6 11.f4 Ne3 12.fe5? (better is 12.Nd5 Nd1 13.Nf6 Bf6 14.fe5 de5 15.Rd1 ed4 16.Bd4 Bd4 17.Rd4+=) 12...Qe5–+ 13.Qa4? (better is 13.Qe2 Bg4 14.Nf3 Bf3 15.Qf3 Nc4 16.Kf2 Qd4 17.Kg2 Qd2 18.Kh3 Nb2 19.Bb5 c6 20.Bc6 Kd8 21.Bb7–+) 13...Bd7 14.Ncb5 0–0 0–1. Shabtai,Ran (2370) – Sutovsky,Emil (2340), Tel Aviv, 1993.

6.Qc2 a5

7.ba5 Ra5 8.e3 0–0 9.Be2 Nb6 10.Nc3 Bf5 11.Qb3 Qa8 12.0–0 Na4 13.Na4 Ra4 14.Nd2 Ne4 15.Rfd1 Nd2 16.Rd2 Be4 17.f3 ½–½. Kovacevic,Veljko – Levacic,Patrick, Pula, 1998.

7.ba5 Ra5 8.e3 0–0 9.Be2 Nb6 10.Nc3 Bf5 11.Qb3 Qa8 12.0–0 Na4 13.Na4 Ra4 14.Nd2 Ne4 15.Rfd1 Nd2 16.Rd2 Be4 17.f3 Bc6 18.d5 Bb2 19.Rb2 Ra3 20.Qb4 Ra4 21.Qc3 Bd7 22.c5 Ra3 23.Qc1 Qa7 24.cd6 Re3 25.Rb7 Qb7 26.Qe3 ed6 27.Qd4 Rb8 28.a4 Qb6 29.Qb6+= Rb6 30.a5+– Rb2 31.a6 Re2 32.a7 Re8 33.a8Q Ra8 34.Ra8 Kg7 35.Ra7 Kf6 36.h4 h5 37.Rc7 Ba4 38.f4 Bb3 39.Rd7 Bd5 40.Rd6 Be6 41.Kf2 Kf5 42.Kf3 f6 43.Ke3 Bc4 44.Kd4 Bf1 45.g3 Bg2 46.Rd8 Kg4 47.Rg8 Kf5 48.Rb8 Kg4 49.Rb6 Kg3 50.Rf6 Bh3 51.Rg6 Kf4 52.Rg1 Bg4 53.Kd5?? Kf3= 54.Kd6 Kf2 55.Rg4 hg4 56.h5 g3 57.h6 g2 58.h7 g1Q 59.h8Q Qd1 60.Ke6 Qb3 61.Ke7 Qb4 62.Kf7 Qc4 63.Ke7 Qc5 64.Ke6 Qb6 65.Kf5 Qb1 66.Kf4 Qc1 67.Kg4 Qd1 68.Kg5 Qd5 69.Kf4 Qf3 70.Kg5 Qg3 71.Kf5 Qd3 72.Kf4 Qd2 73.Ke4 Qc2 74.Kd5 Qb3 75.Kc5 Qa3 76.Kc4 Qa2 77.Kb4 Qb1 78.Kc5 Qf5 79.Kd4 Qd7 80.Kc3 Qc6 81.Kb4 Qd6 82.Kc4 Qc7 83.Kd5 Qd7 84.Ke5 Qb5 85.Ke4 Qe2 86.Kd5 Qf3 87.Kd4 Qd1 88.Kc5 Qc1 89.Kd5 Qd1 90.Kc4 Qa4 91.Kd3 Qa6 92.Kd2 Qe2 93.Kc3 Qe3 94.Kc4 Qe6 95.Kd4 Qb6 96.Kd5 Qb7 97.Kc5 Qe7 98.Kb5 Qd7 99.Kb6 Qd6 100.Kb5 Qd5 101.Kb4 Ke3 102.Qh6 Ke2 103.Qh2 Kd3 104.Qg3 Ke4 105.Qe1 Kf5 ½–½. Fritz 6 – EXchess 3.11, 2004.

7.ba5 Ra5 8.e3 0–0 9.Be2 Nb6 10.Nc3 Bf5 11.Qb3 Qa8 12.0–0 Na4 13.Na4 Ra4 14.Nd2 Ne4 15.Rfd1 Nd2 16.Rd2 Be4 17.f3 Bf5 18.a3 e5 19.de5 Be5 20.Be5 de5 21.Qc3 Qa5 22.Qa5 Ra5 23.a4 Be6 24.Rb1 b6 25.Rb4 Rb8 26.Ra2 Rba8 27.Ra1 Bd7 28.Bd1 R8a6 29.e4 c5 30.Rb2 Ba4 31.Be2 Bd7 32.Rd1 Be6 33.Rd6 Ra4 34.Rbb6 Rb6 35.Rb6 Bc4 36.Bc4 Rc4 37.Rb8 Kg7 38.Re8 Kf6 39.Kf2 Rc2 40.Kg3 c4 41.Rc8 c3 42.Rc6 Ke7 43.f4 ef4 44.Kf4 Rg2 45.Rc7 Kd6 46.Rc3 Rh2 47.e5 Kd7 48.Ra3 Rh4 49.Kg5 Re4 50.Kh6 50...Re5 51.Kh7 g5 52.Kg7 Rf5 53.Ra7 Kc6 54.Ra6 Kb5 55.Ra1 g4 56.Rb1 Kc5 57.Rg1 Rf4 58.Kh6 f5 59.Kg5 Rf3 60.Rc1 Kd4 61.Ra1 g3 62.Ra4 Kd3 63.Ra3 Ke2 64.Ra2 Kf1 65.Ra1 0–1. Comet B50 – Fritz 6, 2004.

5.d4 Bg4

6.Nc3 0–0 7.h3 (7.e3 c5 8.bc5 dc5=) 7...Bd7 (7...Bf3!? 8.gf3 a5=) 8.e4= Nh5 9.Be2 Nf4 10.Bf1 (10.0–0 Ne2 11.Ne2 a5+=) 10...Nc6 (10...c5 11.bc5 dc5 12.d5=) 11.b5 Nb4? (better 11...Na5=) 12.a3+– c5 (better 12...Nbd3 13.Bd3 Ng2 14.Kd2 Nf4+–) 13.ab4 cd4 14.Nd4 e5 (14...f5 15.ef5 Bf5 16.g3 Nd3 17.Bd3 Bd4 18.Bf5 Bc3 19.Bc3 Rf5 20.Qd4+–) 15.Nde2 Qg5 (15...Be6 16.Nf4 ef4 17.Qd2+–) 16.Nf4 Qf4 17.Be2 (17.Qd6 Rfd8 18.Bc1 Qh4+–) 17...Be6 18.Qd2 (18.h4 Qf6+–) 18...Qh4 (18...Rfc8 19.Nd5 Qe4 20.Ne7 Kh8 21.Nc8 Qg2 22.Rf1 Rc8 23.Qd6+–) 19.Qe3 Bh6 (19...f5 20.ef5 gf5 21.Rd1+–) 20.Qg3 (20.Qd3 Rfc8 21.Nd5 f5+–) 20...Qe7 (20...Qg3 21.fg3 Be3 22.Nd5 Bd5 23.ed5+–) 21.0–0 Qc7 (21...Rfc8 22.Nd5 Bd5 A) 23.cd5?! Rc2 24.Bc3 Rc8+– (24...Re2? 25.Qd3 Rc8 26.Qe2 Rc3 27.Ra7+–); B) 23.ed5+–) 22.Nd5 Bd5 23.ed5 (23.cd5?! Qc2 24.Bc1 Bc1+–) 23...b6 (23...Bf4 24.Qf3+–) 24.Qc3 Bg7 25.f4 (25.Ra6 f5+–) 25...Rfc8 (25...f5 26.fe5 Be5 27.Qa3+–) 26.fe5 (26.f5 Qe7+–) 26...Be5 27.Qd2 Qe7 (27...Re8 28.Rae1+–) 28.Be5 Qe5 29.Rae1 Qg7 (29...Re8 30.Bg4 Qg3 31.Bd7 Re1 32.Qe1+–) 30.Qf4 Rd8 31.Bd3 a5 (31...Re8 32.Kh2 Re5 33.Re5 de5 34.Qe3+–) 32.ba5 Ra5 33.Re7 Rf8 (33...Ra1 34.Ra1 Qa1 35.Kh2+–) 34.Be2 Ra2 35.Qd6 Qd4 36.Kh1 Ra1 (36...Re2 37.Re2 Qc4+–) 37.Qf4! Qf4 38.Ra1 Qf6 (38...Qf6 39.Raa7 Rd8+–). zabazaba – pecad0r99 (1660), gameknot.com, 2013.

6.e3 a6 7.h3 Bf3 (7...Bd7 8.Bd3=) 8.Qf3 0–0 (8...Nc6 9.a3=) 9.Qb7+= Nbd7 10.Nd2 Rb8 11.Qa6 Rb4 12.Qa3 Qb8 (12...Rb6 13.Bd3+/–) 13.Bc3 Rb7 14.Be2 Ra7 15.Qb3 Qb3 (15...Nb6 16.Rb1+/–) 16.ab3 (16.Nb3?! Ne4 17.Bb2 Rfa8=) 16...Rfa8 (16...Ra1 17.Ba1 e5 18.Bf3+/–) 17.0–0+– Ra1 (17...e5 18.d5+–) 18.Ra1 Ra1 19.Ba1 e5 20.d5 (20.Bc3 d5+–) 20...e4 (20...Ne8 21.g4+–) 21.Bc3 h5 22.Ba5 Ne8 23.g4 hg4 24.hg4 f5 25.gf5 gf5 26.Bh5 Nef6 27.Bg6 Nh7 28.Bf5 Ne5 29.Bc7 Bf8 30.Ne4 Nd3 31.Bd6 Bd6 32.Nd6 Nb4 33.c5 Nf6 34.e4 Kg7 35.c6 Na6 36.b4! Nb4 37.c7 Nbd5 38.ed5 Nd5 39.c8Q Ne7 40.Qd7 Kf6 41.f4 Nf5 42.Qf7# 1–0. wiking – Liesel, internet, 2009.

6.e3 c6 7.Be2 Nbd7 8.Nbd2 Qc7 9.Qb3 0–0 10.0–0 Bf3 11.Bf3 e5 12.Rfe1 h6 13.a4 Kh8 14.Rac1 Nh7 15.g3 f5 16.Bg2 Qd8 17.de5 de5 18.c5 Qe7 19.Nc4 Qg5? 20.Nd6 Qe7 21.Nb7 e4 22.Na5 Rac8 23.Nc4 Ndf6? 24.Red1 Ng5 25.Ne5 Kh7 26.Rd6 Nf3 27.Nf3 ef3 28.Bf3 Ne4 29.Be4 fe4 30.Bg7 Qg7 31.Rcd1 Rc7 32.Qe6 Rcf7 33.Rd7 Kh8 34.b5 cb5 35.ab5 Qf6 36.Qf6 Rf6 37.R1d2 1–0. O'Hare,Ciaran (1995) – Wells,Bruce A, Stillwater USA, 2012.

6.Nbd2 Nc6

6.e3 Nc6

5.e3 c5

6.a3 b6 7.Be2 Bb7 8.d3 Na6 9.Nbd2 0–0 10.Bc3 e6 11.Rb1 Qe7 12.0–0 Rfd8 13.Qb3 Ne8 14.d4 cd4 15.ed4 Nac7 16.Rfe1 a6 17.a4 b5 18.ab5 ab5 19.cb5 Bd5 20.Bc4 Bc4 21.Nc4 Nb5 22.Bb2 Ra6 23.Qd3 Nec7 24.Na5 Qd7 25.Ng5 Nd5 26.Qd2 Rda8 27.Ra1 Bh6 28.f4 Bg7 29.Ne4 Qd8 30.Nc4 Ra2 31.Qd3 Nf4 32.Qf3 Ra1 33.Ba1 Ra1! (33...Ra1 34.Ra1 Bd4 35.Nf2 Ba1 36.Qf4 Qc7–+) 0–1. Todor,Razvan (2165) – Keller,Wolfgang (2225), Eger, 1994.

6.a3 Nc6 7.d4 Bg4 8.d5 Bf3 9.gf3 Ne5 10.bc5 Qa5 11.Nd2 Qc5 12.Be5 de5 13.Qa4 b5 14.Qb5 Qb5 15.cb5 e4 (15...Nd5!? 16.Rc1 Rd8=) 16.Rd1 ef3 17.Nf3 Ne4 18.Nd4 Rc8 19.Nc6 Bc3 20.Ke2 Bf6 21.Kf3 Ng5 (21...Nc3!? 22.Rd2 Rc7+/–) 22.Kf4 e5 23.Kg3 Ne4 24.Kg2 Bh4 25.d6+– 0–0 26.d7 Ra8 27.Rd5 Nf2 28.Rg1 Ng4 29.Kf3 Nh2 30.Ke2 e4 31.Rh1 Nf3 32.Rh4! Nh4 33.d8Q Rad8 34.Rd8 Rd8 35.Nd8 Nf5 36.Nc6 Nd6 37.Na7 1–0. Mikhalchenko,P (2320) – Novikov,MiM (2240), XII Izmailov Mem, Tomsk RUS, 2008.

6.Qa4 Bd7 7.Qb3 cb4 8.Qb4 Nc6 9.Qb3 0–0 10.Be2 Na5 11.Qc2 Nc6 12.Qb3 Rc8 13.0–0 Na5 14.Qb4 Qc7 15.Na3 Nc6 16.Qb3 Ne4 17.Bg7 Kg7 18.Nb5 Qa5 19.Qb2 f6 20.d3 Nc5 21.d4 Na4 22.Qd2 Qd2= 23.Nd2 Nb6 24.Rab1 Ra8 25.Na7 Ra7+= 26.Rb6 Ra2 27.Rd1 Na5 28.Bd3 Ra8 29.Bb1 Ra1 30.f4 Bg4 31.Re1 h6 32.h3 Bd7 33.e4 Ra7 34.e5+= de5 35.fe5 Nc6 36.ef6 Kf6? 37.d5+– e5 38.c5 g5 39.dc6 Bc6 40.Nf3 h5 41.Ne5 R7a6 42.Rb2 Bd5 43.Nd7 Kg7 44.Re7 Kg8 45.Re5 R6a2 46.Rg5 Kf7 47.Rb4 Rd2 48.Rf4 Ke6 49.Rf1 Ke7 50.Rg7 Bf7 51.Rff7 Ke6 52.Rf6 (52...Kd5 53.Rd6 Kc4 54.Rd2 Rb1 55.Kf2+–) 1–0. Doctor? 3.0 – Fritz 5.32, 2004.

6.bc5 dc5 7.Be2 0–0 8.0–0 Nc6 9.Qb3 b6 10.d3 Qd7 11.Nbd2 Rd8 12.d4 cd4 13.ed4 Nh5 14.d5 Nf4 15.Bd1 Na5 16.Qa3 Qg4 17.Ne1 Bb2 18.Qb2 Nc4 19.Qb4 Nh3 20.Kh1 Qd4 21.Qe7 Ba6 22.Nc4 Qc4 23.Nd3 Qd3 24.Bb3 Rd5 25.gh3 Qf3 26.Kg1 Rg5 27.Qg5 Bb7 28.Bd5 Bd5 29.Qd5 Qd5 0–1. Doctor? 3.0 – Fritz 5.32, 2003.

6.a3 0–0

7.Be2 Na6 8.Qb3 Qb6 9.b5 Nc7 10.Nc3 Nce8 11.0–0 Qc7 12.a4 b6 13.a5 ba5 14.Ra3 d5 (14...a6!?+=) 15.cd5+/– Nd6 16.d3 Rb8 17.Ne5 Bd7 18.Nd7 Nd7 19.Rfa1 Bc3 (better is 19...a6!? 20.Ra5 ab5+=) 20.Qc3+/– Nf6 21.Ra5 Nb5 22.Qe5 Qb7 23.g4 Nd6 24.Bc3+– Nb5 25.Rb1?? h6?? 26.Rab5+– (26.Rab5 Qb5 27.Rb5 Rb5 28.Bf3+–) 1–0. Marques,Edison – Pereira,Celso Carlos, BRA–chT Curitiba, 1984.

7.Be2 Nbd7 8.0–0 Qb6 9.Nc3 cb4 10.Na4 Qc7 11.ab4 Nb6 12.Qb3 Na4 13.Ra4 Bd7 14.Ra5 a6 15.Rfa1 Ne4 16.Bg7 Kg7 17.b5 Qb6 18.Qa3 Bc8 19.Ne1 Kg8 20.d3 Nc5 21.d4 Nd7 22.Nc2 e5 23.de5 de5 24.Nb4 Nc5 25.Nd5 Qd6 26.Rd1 (better is 26.b6 Ne4 27.Qd6 Nd6 28.Nc7+–) 26...b6+= 27.Ra4 Qb8 28.Nf6 (better is 28.Rb4 a5 29.Rb2+=) 28...Kg7–/+ 29.Ng4?? (29.Nd5 Na4 30.Qa4 Rd8–/+) 29...Bg4 (better is 29...Na4 30.Qa4 f5 31.Ne5 Qe5–+) 30.Bg4–/+ Na4 31.Qa4 ab5 32.Qb5 Ra5 33.Qd7 Qa7 34.Qd6 Rc5 35.Be2 Qc7 36.Qc7 Rc7 37.Rb1 Rb8 38.g3 f5 39.f3 Kf6 40.h3 Ke6 41.g4 Rc5 42.Bd3 e4! 43.fe4 fe4 44.Be2 Kd6 45.Kg2 Kc7 46.Kg3 Rf8 47.Rb2? Rc6 48.Rb1 Rcf6 49.g5 Rf2 50.Rb2 R2f5 51.h4 Ra5 52.Rc2 Ra3 53.c5 Re3 54.Kg2 bc5 55.Rc5 Kd6 56.Rc2 Ra3 57.Rb2 Rc3 58.Ra2 Rfc8 59.Kf2 Rc2 60.Ra6 R8c6 61.Ra7 Rc7 62.Ra6 Ke5 63.Ra8 Rf7 64.Ke3 Rc3 65.Kd2 Rh3 66.Re8 Kf4 67.Bc4 Rd7 68.Ke2 Rh2 69.Ke1 Ra7 (69...Ra7 70.Rf8 Ke3 71.Ba6 Ra6 72.Rf3 ef3 73.h5 Ra1) 0–1. Farto Orozco,David (1785) – Otero Ramirez,Angel (1805), Cambados op, 2008.

5.e3 e5

6.a3 e4 7.Nd4 0–0 8.Be2 Nbd7 9.0–0 c6 10.Nc3 Ne5 11.f4 Ned7 12.g4 Ne8 13.Qc2 (worse is 13.Ne4 c5–/+) 13...c5 14.Nb3 f5 15.g5 Nc7 16.h4 (16.d3 ed3 17.Qd3 Nb6+=) 16...h5 (16...b6 17.d3=) 17.gh6 Bh6 18.Rf2 Kh7 (18...Qh4 19.Rh2 Qg3 20.Kh1 cb4 21.Rh6 ba3 22.Ba3+– (22.Ra3 Nf6 23.Ra1 Kg7+–)) 19.Rh2 cb4 20.ab4 Nf6 21.Kf2 Be6 (21...d5 22.cd5 Rg8 23.d3 Ncd5 24.Nd5 Nd5 25.de4 Nb4 26.Qc3=) 22.Rg1 Na6 23.h5 g5 (23...gh5 24.Nd4 Qc8 25.Ne6 Qe6+–) 24.Nd4+– (24.fg5 Nb4 25.Qb1 Ng4 26.Bg4 fg4 27.Kg2 Bg5+/–) 24...Bd7 25.fg5 Nb4 26.Qb1 Ng4 27.Bg4 fg4 28.Ke2 Bg5 29.Ne4 Kh6 (29...Kg8 30.h6 (30.Nd6 Qf6 31.Qg6 Qg6 32.hg6 Kg7 33.Rh7 Kg6 34.Rd7 Rfd8 35.Rb7 Rd6 36.Rb4 Kh5+–) 30...Bf6 31.Nf6 Rf6 32.Rf1 Rf1 33.Qg6 Kf8 34.Kf1+–) 30.Ng5 (30.Ng5 Qg5 31.Bc3+/–; 30.Nd6?! Qf6 31.c5 Nc6+–) 1–0. Kutuzov,Denis (2290) – Zafesov,Timur (2145), Moscow op–B, 2008.

6.a4 c6 7.Be2 0–0 8.0–0 e4 9.Nd4 d5 10.c5 b6 11.Qc2 Nbd7 12.Nb3 Rb8 13.d4 ed3 14.Bd3 bc5 15.Nc5 Rb4 16.Bd4 Rb8 17.Nd7 Qd7 18.Nc3 Re8 19.Ne2 Qd6 20.Rac1 Bd7 21.Ba7 Rb2 22.Qc5 Qe5 23.g3 Ne4 24.Qd4 Qh5 25.Nf4 Qf3 26.Be4 de4 27.Qd7 Rf8 28.Bd4 Bd4 29.Qd4 Rfb8 30.Rc6 h5 31.Rcc1 h4 32.Qf6 hg3 33.hg3 R2b6 34.Rc8 Rc8 35.Qb6 g5 36.Nd5 Kg7 37.a5 Rh8 38.Qf6 Qf6 39.Nf6 Kf6 40.Ra1 Kf5 41.Kg2 Ra8 42.a6 Ke5 43.Ra5 Kd6 1–0. Abdullaevich (1780) – thor19 (1840), lichess.org, 2019.

6.b5 a5 7.Be2 0–0 8.0–0 c5 9.d4+= ed4 10.ed4 b6 (10...Re8 11.Re1+=) 11.Nbd2 (11.Nc3 Ra7+=) 11...Bb7 (11...Re8 12.Re1+=) 12.Re1 Nbd7 13.d5 Qc7 14.Qc2 (14.Bd3 Rae8+–) 14...Rfe8 (14...a4 15.a3+–) 15.Bd3 a4 (15...Rad8 16.Rad1+=) 16.Re8+– Ne8 17.Bg7 Ng7 (17...Kg7 18.Re1+–) 18.Re1 Nh5 19.Ne4 (19.a3 Nf4+–) 19...Nf4 20.Bf1 (20.Qc3 Re8+–) 20...a3 (20...Ne5 21.Ne5 de5 22.g3+–) 21.Qc1 Nh5 22.Qh6 Ndf6? (better 22...f6+–) 23.Nfg5+– Ra4 (23...Qd8+–) 24.Nf6 Nf6 25.Nh7! (25.Nh7 Ne4 26.Re4 Qd8 27.Re8 Qe8 28.Nf6) 1–0. DEFFM – jangazy, freechess.org, 2018.

6.b5 b6 7.Be2 Bb7 8.0–0 0–0 9.h3 a6 10.a4 ab5 11.cb5 c6 12.Nc3 c5 13.Qc2 Nbd7 14.Nh2 h5 15.Bf3 Bf3 16.Nf3 d5 17.d4 cd4 18.ed4 e4 19.Ne5 Ne5 20.de5 Ne8 21.Rfd1 Rc8 22.Qb3 d4 23.Ne4 Be5 24.Rd3 Qh4 25.Ng3 Nf6 26.Re1 Bg3 27.Rg3 Rfe8 28.Re8 Re8 29.Rg6 Kh7 30.Rg3 Ne4 31.Qd3 Kh6 32.Bc1 Kh7 33.Bg5 Qg3 34.fg3 Kg7 35.Qd4 1–0. Abdullaevich – vstoyanov, lichess.org, 2018.

6.b5 c5 7.Be2 0–0 8.d4 Nbd7 (8...e4 9.Nfd2=) 9.Nc3 (9.0–0 e4 10.Nfd2 Re8=) 9...e4 (9...ed4 10.ed4 Nb6 11.0–0=) 10.Nd2 Re8 11.0–0 b6 (11...Qe7 12.a3=) 12.d5 Re7 (12...Qe7 13.Rb1+=) 13.Qc2+= e4 seems the pivot of the position 13...Qe8 (13...h6 14.Rab1+=) 14.a4 a5 15.ba6 Ba6 (15...Ra6? 16.Nb5+–) 16.Nb5 (16.a5 Rb8+=) 16...Bb5 (16...Qb8 17.f3+=) 17.ab5+– (worse 17.cb5 Nd5 18.Bg7 Kg7=+) 17...Qb8 (17...Qc8 18.Ra8 Qa8 19.Ra1+–) 18.Ra6 Ra6 19.ba6 Qa7 20.Ra1 Nb8 (20...Re8 21.Qb3+–) 21.Bc3 (21.Bf6 Bf6 22.Ra3 Be5 23.Ne4 Rd7+–) 21...Qa8 (better 21...Nbd7!?+–) 22.Qb2+– Ne8 (22...Nbd7+–) 23.Bg7 Ng7 24.Qb6 Ne8 (24...Qa7 25.Qd8 Re8 26.Qd6+–) 25.a7 Nd7 26.Qc6 Qc6 27.dc6 Nb6 28.Rb1 (28.a8Q Na8 29.Ra8 Kg7+–) 28...Ra7 29.Rb6 Ra2 (29...f5 30.Rb8 Kf8+–) 30.Rb8 Rd2 (30...Kg7 31.Re8 Ra7 32.Rd8+–) 31.Re8 Kg7 32.Bf1 (32.Bf1 Rc2 33.c7+–) 1–0. DEFFM – jangazy, freechess.org, 2018.

6.b5 Bg4 7.h3 Bf3 8.Qf3 c6 9.a4 0–0 10.Qd1 Ne8 11.Be2 f5 12.0–0 Nf6 13.d3 Nbd7 14.Nd2 c5 15.Bf3 Rb8 16.a5 Qe7 17.a6 e4 18.de4 fe4 19.Bg4 Ne5 20.Be2 d5 21.ab7 Rb7 22.Ra6 dc4 23.Nc4 Nd3 24.Bf6 Bf6 25.Bd3 ed3 26.Qd3 Rb5 27.Qd5 Kh8 28.Rfa1 Rb7 29.R1a5 Rd8 30.Qc5 Rd1 31.Kh2 Qf7 32.Qc8 Kg7 33.Qb7 Qb7 34.Ra7 Qa7 35.Ra7 Kh6 36.Kg3 Rc1 37.Nd2 Rc2 38.Ne4 Bd8 39.Kf3 Bb6 40.Rb7 Rc6 41.h4 Bc7 42.g4 Rc1 43.Ng3 Bg3 44.Kg3 g5 45.Rb6 Kg7 46.hg5 Rc7 47.f4 Re7 48.Kf3 Rd7 49.f5 Rd5 50.e4 1–0. Abdullaevich (1845) – Remtal (1865), lichess.org, 2019.

6.Nc3 a6 7.a4 b6 8.0–0 Bb7 9.Qe2 0–0 10.b5 a5 11.d3 e4 12.Ne4 Ne4 13.Bg7 Kg7 14.de4 Be4 15.Bd3 Qe7 16.Be4 Qe4 17.Qd3 Qb7 18.Rfd1 Nd7 19.Qc3 Kg8 20.Rd4 Nc5 21.Rh4 Qd5 22.Qd4 Qd4 23.ed4 Ne6 24.Re4 Rfe8 25.Rae1 Ng7 26.c4 Re4 27.Re4 Re8 28.Re8 Ne8 29.d5 Nf6 30.Nd2 Nd7 31.Ne4 f5 32.Nd2 Nc5 33.Kf1 Na4 34.Ke2 Kf7 35.f4 Kf6 36.h4 Nc5 37.Ke3 h6 38.g3 h5 39.Kd4 Ne4 40.Nf1 g5 41.Kd3 Kg6 42.Kd4 gf4 43.gf4 Nf2 44.Ne3 Kf6 45.Kc3 Ne4 46.Kc2 Nc5 47.Kc3 a4 48.Ng2 a3 49.Kc2 Ne4 50.Kc1 Nd2 51.Ne3 Nf3 52.Ng2 ½–½. Szymanski – Gasiorowski, Zbaszyn Poland, 1993.

6.Nc3 Be6 7.Qa4 c6 (7...Bd7 8.b5=) 8.b5 0–0 9.Ng5 (9.d4 ed4 10.Nd4 c5 11.Ne6 fe6=) 9...Bd7 10.Nce4 Ne4 11.Ne4 Bf5 12.Qd1?? (better 12.Ng3=) 12...Be4–+ 13.d3 Bf5 14.g4 (14.Qd2 cb5 15.cb5 Qb6–+) 14...Be6 15.d4 (15.Bg2 d5–+) 15...ed4 (15...d5 16.de5 dc4 17.Qd8 Rd8 18.Bg2–+) 16.Bd4 cb5 (16...Bd4 17.Qd4 a6 18.ba6 Na6 19.Be2–+) 17.Bg7 Kg7 18.Qd4 (18.cb5 f6–+) 18...Kg8 19.cb5 Qa5 (19...a6 20.a4–+) 20.Kd1 (20.Qd2 Qd2 21.Kd2 a6–+) 20...d5 (20...Nd7 21.h4–+) 21.Bg2 (21.Bd3–+) 21...Qb5 22.Bf1 Qd7 23.Be2 (23.h3 f5 24.g5 Qe7–+) 23...Nc6 24.Qf6 Qe7 (24...d4 25.Ke1–+) 25.Qb2 (25.Qe7 Ne7 26.Rb1 d4–+) 25...Rab8 (25...d4 26.Bf3–+) 26.Kd2 (26.Rc1 Rfd8 27.h3 d4–+) 26...b6 (26...d4 27.Rhf1–+) 27.h4 (27.Rhc1 Qd6 28.Qc3 Rfc8–+) 27...Qb4 (27...d4!? 28.Ke1–+) 28.Qc3 (28.Qb4 Nb4 29.Rhc1 Rbc8–+) 28...Qc3 29.Kc3 Rfc8 (29...Rbc8 30.g5–+) 30.Rhc1 (30.g5 Na5 31.Kd2 Nc4 32.Ke1 f6–+) 30...a5 (30...Ne5!? 31.Kd4 Bg4 32.Ke5 Re8 33.Kf4 Be2 34.Rc2–+) 31.Kd2 Ne5 32.Ba6 (32.g5 Rc5–+) 32...Rc1 33.Rc1 Nf3 34.Kd3 (34.Kd1 Bg4 35.Be2 h5–+) 34...Bg4 35.Rc6 (35.Rc7–+) 35...Ne5 36.Kd4 (36.Kd4 Nc6 37.Kd5 Nb4 38.Ke4 Na6 39.Kf4–+). MARYMARY – beaconsboy67, ChessWorld.net, 2013.

6.Nc3 Qe7 7.Be2 0–0 8.Qb3 e4 9.Nd4 c5 10.Nc2 Nc6 11.d4 ed3 12.Bd3 Be6 13.0–0 b5 14.Nb5 Rfb8 15.bc5 (15.Bf6 Bf6 16.Be4 Ne5 17.Ba8 Bc4+=) 15...a6 (better is 15...dc5!? 16.a4 a6–/+) 16.cd6= Qd7 17.a4 ab5 18.ab5 Ra1 (18...Qd6 19.Bf6 Bf6 20.Ra8 Ra8 21.bc6 Rb8= (worse is 21...Qc6 22.Nd4 Qc5 23.Ne6 fe6 24.Rd1+/–)) 19.Ra1+/– (19.Na1 Weaker is 19...Qd6 20.Qa3 Qa3 21.Ba3 Na5–/+; 19.Ba1 Less advisable is 19...Qd6 20.Be2 Bf5=) 19...Qd6 20.Qa3 Qa3 21.Ra3 Ne7 22.Be5 Re8 23.Nd4 Nd7 24.Bc7 Bf8 25.b6 Nc6 26.Ra1 (26.Nc6 Inferior is 26...Ba3 27.b7 Nc5+=) 26...Ncb8 (26...Nb6!? is interesting 27.Nc6 Bc4 28.Bc4 Nc4+=) 27.Ra8 (27.Ne6 Not 27...Re6 28.Be2 Bc5+=) 27...Bc5 (27...Rc8 28.Ra7 Nc5+/–) 28.Nc6 Bb6 29.Bb6 Nb6 30.Rb8 Rb8 31.Nb8 Bc4 32.Nd7 Nd7 33.Bc4 Kg7 34.Kf1 f5 35.Ke2 Kf6 36.Kd3 Ke5 37.f4+/– Kd6 38.Kd4 Nf6 39.h3 Nd7 40.g4 h6 41.Ba6 fg4 42.hg4 g5 43.Bb5 Nf6 44.e4 Ng4?? 45.e5+– Ke7 46.f5 h5 47.Be2 Nh6 48.f6 Ke6 49.Ke4 1–0. Weiss,Christian (2370) – Kilgus,Georg (2230), AUT North–ch, 2001. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6 5.c4 e5 6.Nc3)

6.Nc3 Bg4 7.h3 Be6 8.Be2 e4? (8...0–0 9.d4 ed4 10.Nd4= (worse 10.Qd4 Nc6 11.Qh4 Nb4–/+)) 9.Nd4 (9.Ne4 Nc6+–) 9...Nc6 (9...0–0 10.f3=) 10.Ne6 (10.Nc6!? bc6 11.Ne4+–) 10...fe6+= 11.Ne4 Nb4 (better 11...Ne4!? 12.Bg7 Rg8+–) 12.Qa4+– Nc6 13.Nf6 (better 13.Bf6 Bf6 14.Rb1+– (14.Nf6?! Qf6 15.0–0 0–0+=)) 13...Bf6+= 14.Bf6 (14.Rb1 0–0 15.0–0 Bb2 16.Rb2 Qc8+=) 14...Qf6 15.0–0 0–0 16.Qb5 (16.d4 Nd8+=) 16...Rab8= 17.Bf3 (17.d4 a6 18.Qa4 e5=) 17...Ne5 18.Bb7 (18.Be2 a6 19.Qb3 Nd7=) 18...Nc4 19.Qc4 Deflection from b7 19...Rb7 20.Qc6 Rfb8 (20...Rb2 21.Rad1 Qf7 22.Qa6=) 21.Rac1 Attacking the backward pawn on c7 21...Qb2 (21...h6!?=) 22.Qd7+– Qa2 (better 22...Qd2 23.Rc7 Rc7 24.Qc7 Rf8+–) 23.Ra1?? (better 23.Rc7 Rc7 24.Qc7+–) 23...Qd5–/+ (23...Qd2?! 24.Qe6 Kg7 25.Qe7 Kh8 26.Qf6 Kg8 27.Qe6 Kf8 28.Qf6 Kg8 29.Qe6=) 24.d4? (better 24.Ra6!? e5 25.Rfa1=+) 24...c6–+ 25.e4 Qe4 (better 25...Rd7 26.ed5 ed5–+) 26.Qd6=+ Qd5 27.Qf4 Rb4 (better 27...Rd8 28.Qe3 Rd6=+) 28.Ra7+= Threatening mate... how? 28...e5? (28...R4b7 29.Rc1+=) 29.Qh6 (better 29.Qf6!? R8b7 30.Rb7 Rb7 31.Ra1+– (31.de5?! Rf7 32.Qh4 Qe5=)) 29...R8b7+– 30.Rb7 Rb7 31.de5 (better 31.Ra1!? Rd7 32.de5+–) 31...Qe5= 32.Qc1 Rc7 33.Re1 (33.Rd1 Qf6=) 33...Qf5 (33...Qd4 34.Qb1 Kg7 35.Qb8=) 34.Qc4 (better 34.Qc3 Qf7 35.Qc5+=) 34...Qf7?? (34...Rf7!? 35.Re8 Kg7=) 35.Re8+– Kg7 36.Qd4 Kh6 37.Qf4 (better 37.Qe3 Kg7 38.Qe5 Kh6 39.g4+–) 37…Qf4–+ (37...Qf4 38.Re1 c5–+) 0–1. sirgeshdb (1795) – ToledoChess31 (1810), lichess.org, 2020.

6.d3 Nc6 7.a3 0–0 8.Nbd2 Re8 9.Be2 Bf5 10.0–0 Qd7 11.Qc2 h6 12.b5 Ne7 13.e4 Bg4 14.h3 Bf3 15.Bf3 a6 16.a4 Nh7 17.Bg4 f5 18.ef5 Nf5 19.Rfe1 Ng5 20.h4 Ne6 21.h5 ½–½. Fournier,Frederic (2410) – Herce Patrice (1940), echecsemail.com (team), 2009.

6.d4 0–0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.d4 e5).

6.d4 Nfd7 7.Nbd2 (7.Bd3 Nc6=) 7...0–0 8.Be2 (8.Ne4 f5 9.Ng3 Nc6=) 8...Nc6 (8...a5 9.b5=) 9.b5+= Ne7 10.0–0 f5 (10...a6 11.a4+=) 11.de5 Ne5 12.Ne5 Be5 (12...de5 13.f4+=) 13.Be5 de5 14.Qc2 c6 (14...Be6 15.Rfd1 Qe8 16.Qc3+/–) 15.Nf3 Qc7 16.Qb2 e4 17.Ne5 c5 18.f4 (18.Qc3 Be6+=) 18...Be6 19.a4 (19.Rad1 Rad8+=) 19...Rad8 20.a5 Rd6 21.Rfb1 b6 22.ab6 ab6 23.Ra2 (23.Rd1 Rfd8=) 23...Nc8 24.Rba1+= Qd8 25.g3 g5 26.Nc6+/– Qe8 27.fg5 Qg6 28.h4 h6 29.Ne5 Qg7 30.g6 Ne7 31.h5 Qf6 32.Ra8 Nc8 33.Kf2 Rfd8 34.Nd3 Qb2 35.Nb2+/– Rd2 36.Rd1 Kg7 37.Ke1 Rd1 38.Nd1 Rf8 39.Rb8 Rf6 40.Rb7 Kg8 41.Nb2 f4 42.gf4 Bh3 43.Nd1 Re6 44.Nf2 Bf5 45.Ng4 (45...Bg4 46.Bg4+–) 1–0. Althoff,Guntram – Akbar,Jamal, Hessen–chB Kaufungen, 2003.

6.Be2 a5 7.b5 c6 8.a4 cb5 9.cb5 b6 10.d4 ed4 11.Nd4 0–0 12.Bf3 Ra7 13.Nc6 Nc6 14.Bc6 Bb7 15.Bb7 Rb7 16.0–0 d5 17.Nd2 Re7 18.Nf3 Re4 19.Nd4 Qd6 20.Nc6 Rh4 21.g3 Rh6 22.f4 Ne4 23.Bg7 Kg7 24.Ne5 g5 25.Rc1 gf4 26.Rf4 Qe5 27.Rg4 Kh8 28.Qf3 Ng5 29.Qf4 Nh3 30.Kg2 Nf4 31.ef4 Qe2 32.Kh1 Qh2 0–1. axtur777 – MaBoStr, lichess.org, 2020.

6.Be2 a6 7.0–0 Nbd7 8.Nc3 0–0 9.d4 c6 10.Qb3 c5 11.bc5 dc5 (11...ed4 12.ed4 dc5 13.d5+=) 12.de5 Nh5? (better 12...Ng4+–) 13.Rad1 Qc7?! (13...Bh6+–) 14.Nd5 Qb8 15.g4 Be5 (15...Re8+–) 16.Ne5 (worse 16.gh5 Bb2 17.Ne7 Kg7 18.Qb2 Kh6 19.hg6 fg6+–) 16...Ne5 17.Ne7 Kg7 18.f4 Kf6 (18...Bg4 19.Bg4 f6 20.fe5 Kh6 21.Bh5 fe5+–) 19.Qb6 Ke7 20.Qc5 Ke8 (20...Ke6 21.Ba3 Kf6 22.Qe7 Kg7 23.Qf8 Kf6 24.Be7 Ke6 25.f5 gf5 26.gf5) 21.Ba3 (21.Ba3 Qd6 22.Qd6 Nf3 23.Bf3 Bg4 24.Qf8) 1–0. Janek – Zack, internet, 2016.

6.Be2 Bd7 7.0–0 0–0 8.d3 (8.d4 ed4 9.Nd4 Nc6 10.Nc6 Bc6+=) 8...Nc6 (8...Re8 9.Nc3=) 9.b5 Ne7 10.a4 (10.d4 ed4 11.Nd4 a6=) 10...b6 (10...a6 11.Nc3=) 11.Nfd2 (11.d4 ed4 12.Nd4 a6+=) 11...c6= 12.Bf3 Rb8 (12...a6 13.bc6 Bc6 14.Bc6 Nc6 15.Qf3=) 13.Nc3 (13.d4 Qc7+=) 13...d5 (13...Bf5 14.Qe2+=) 14.cd5 (14.Ba3 Bf5 15.e4 de4 16.de4 Be6+=) 14...cd5 15.Ba3 (15.Na2 Ne8+=) 15...Re8 (15...Be6 16.Rc1=) 16.Rc1 (16.Bd6!? Rc8 17.Be5+/–) 16...Be6= 17.e4 Qd7 18.ed5 Nfd5 19.Be7 Re7 20.Nd5= Bd5 21.Nc4 Rd8 22.Re1 Bh6 23.Ne5 Bf3 24.gf3 Qd5 25.Nc6 Re1 26.Qe1 Qg5 27.Kf1 Rd3 28.Rd1 Rd1 29.Qd1 Bf8 30.Qd8 ½–½. aschellen – buba12, internet, 2006.

6.Be2 Nbd7 7.Qc2 0–0 8.0–0 b6 (8...Re8 9.e4=) 9.d4+= ed4 10.Nd4 Bb7 11.Nd2 d5 (11...c5 12.Nb5 Qe7 13.Qd3=) 12.b5 dc4 13.Rfd1 Nc5 14.Bf3 (14.Bc4 a6+=) 14...Bf3= 15.N4f3 Qc8 (15...a6 16.a4=) 16.Qc4 Qb7 (16...a6 17.Qh4 Qf5 18.a4+=) 17.Qh4+– Nfe4 18.Bg7 Kg7 19.Ne4 Ne4 (19...Qe4 20.Qg3+–) 20.Rd7 Nf6 21.Qd4 Rae8? (better 21...Qc8!? 22.Ne5 Nd7 23.Nd7 f6 24.Nf8 Qf8+–) 22.Rc1+– Qe4 23.Rdc7 Ra8 24.Qa1 Qb4?? (24...Qf5+–) 25.R1c6 Rac8 (25...Kg8 26.Rf6 Rae8 27.Ng5+–) 26.Qf6 Kg8 (26...Kh6 27.h3 Rc7 28.Rc7 Qb1 29.Kh2 Qf5 30.Qf5 gf5 31.Ra7 f6+–) 27.Rc8 Qb1 28.Rc1 Qd3 29.Rf8 Kf8 30.Rc8 (30.Rc8 Qd8 31.Rd8) 1–0. GuestYNGS – velalok, freechess.org, 2017.

6.Be2 Ne4 7.d3 Ng5 8.Ng5 Qg5 9.0–0 (9.Nc3 Nc6 10.h4 Qd8 11.b5 Ne7 12.h5 d5 13.h6 Bf6) 9...f5 (9...Nc6 10.b5 Ne7 11.Nc3 0–0 12.Qd2 Qh6 13.Bf3 Rb8) 10.Qb3 (10.f4 Qd8 11.fe5 0–0 12.Nc3 de5 13.Bf3 c6) 10...e4?? (better is 10...f4+= 11.ef4 Qf4 12.Nc3 Qf7 13.f4 ef4; 10...Be6 11.Bf3 c6 12.b5 0–0 13.Nc3 Nd7) 11.Bg7+– Rg8 12.Bc3 f4 13.ef4 Qf4 14.Nd2 g5 15.Ne4 g4 16.Nf6 Kf7 17.Nd5 Qg5 18.Nc7 Nc6 19.Na8 Be6 20.Nc7 h5 21.f4 Qg6 22.f5! Bf5 23.c5 Ke7 24.Rf5! g3 25.cd6 Kd6 26.Rf6 Kc7 27.Rg6 Rg6 28.Qf7 Ne7 29.Qe7 Kb6 30.Qc5 Ka6 31.b5 1–0. usingprogram – czeg0ochc3sz, internet, 2011.

6.Nf3 b6 7.Be2 a5 8.b5 Bb7 9.d4 ed4 10.ed4 Nbd7 11.0–0 0–0 12.Re1 Re8 13.Qc2 d5 14.Qb3 h6 15.a4 (worse is 15.Nd5 Nd5 16.cd5 a4=) 15...Ne4 16.cd5 (16.Nd5!? Bd5 17.cd5+/–) 16...Nc3+= 17.Bc3 Nf6 18.Bc4 Re1 19.Re1 Bd5 20.Re5 Bc4 21.Qc4 Qd6 22.g3 ½–½. De Francesco,Massimo – Luzi,Andri, Vitinia op 9th, 1997. (=1.c4 g6 2.Nc3 Bg7 3.b4 Nf6 4.Bb2 d6 5.e3 e5)

6.g3 0–0 7.Bg2 c6 8.d3 Nbd7 9.Nbd2 Qc7 10.0–0 a6 11.a3 b5 12.c5 d5 13.Qc2 Re8 14.Rfe1 e4 (14...a5 15.Bc3=) 15.Nd4 ed3 16.Qd3 Ne5 17.Qc2 Nc4 18.Nc4 dc4? (18...bc4 19.e4+=) 19.Bc3?? (19.Bc6!? Bb7 20.Be8 Re8+–) 19...Bf5?? (19...Nd5 20.Bd5 cd5 21.Qd2=) 20.Qe2?? Bd3 21.Qf3?? Ne4 22.Rad1?? Nc3–+ 23.Rd3 cd3 24.e4 Bd4 25.Qd3 Bg7 26.f4 Rad8 27.Qc2 Qd6 28.cd6+– Rd6? 29.e5 Red8 30.Qc3 Rd3 31.Qb2 Rd2 32.Qc1 Ra2 33.Bc6 Rdd2 34.Rd1 Rg2 35.Bg2 Rf2 36.Rd8 Bf8 37.Kf2 f6 38.Qc8 fe5 39.Rf8 Kg7 40.Qe8 ef4 41.Qf7 Kh6 42.Rg8 fg3 43.hg3 Kg5 44.Rh8 (44.Rh8 h6 45.Qf4 Kh5 46.Rh6; 44.Qf4 Kh5 45.Bf3) 1–0. Fournier,Frederic (1700) – euthanazor (1720), rated blitz game (2/0), 2002.

6.a3 0–0

7.Be2 e4 8.Nd4 b6 9.Nb3 c5 10.b5 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 Nbd7 14.Nc3 Ne5 15.0–0 Qc7 16.f3 ef3 17.Bf3 Nf3 18.Qf3 Bg4 19.Qf2 Be6 20.Qe2 Qb7 21.Rf2 Ra8 22.d4 Bf5 23.d5 Ne4 24.Ne4 Ra1 25.Rf1 Rf1 26.Qf1 Be4 27.Nd2 Bf5 28.e4 Bd7 29.Nf3 Qa7 30.Qe1 Qa1 31.Qa1 Ba1 0–1. axtur777 – Sar_Ls, lichess.org, 2020.

7.Be2 e4 8.Nd4 c5 9.bc5 dc5 10.Nc2 Nc6 11.0–0 a6 12.d3 ed3 13.Bd3 Bg4 14.Be2 Be2 15.Qe2 b5 (better is 15...Qb6!? 16.Bc3 Rad8=) 16.cb5+= ab5 17.Nc3 (17.Qb5 Qd6 18.Qc4 Ng4 19.Qg4 Bb2+=) 17...Ne4 (better is 17...Nd5!? 18.Nd5 Bb2=) 18.Ne4+/– (18.Qb5 Nc3 19.Bc3 Bc3 20.Qc6 Ba1 21.Ra1 Qd2–+) 18...Bb2 19.Rab1 (< 19.Nc5 Ba1 20.Ra1 Qd5–/+; 19.Qb5?! Ba1 20.Ra1 Re8 21.Qc6 Re6 22.Qc5 Re4+=) 19...Be5 20.Qb5 Qh4? (20...Qd5 21.f3 (< 21.Nc5 Ra5 22.Qb3 Qc5–/+) 21...Ra5 22.Qe2+=) 21.Ng3?? (better is 21.f4!? Na7 22.Qc5 Bg7+–) 21...Rac8 22.Rfc1 Bg3 23.hg3 Qe4 24.Ne1 h5? 25.Nf3 f6 26.Qc5 g5 27.Qc4 Qc4 28.Rc4 Ne5 29.Rc8 Nf3 30.gf3 Rc8 31.Ra1 f5 32.a4 g4 33.fg4 hg4 34.a5 Kf7 35.a6 Ra8 36.a7 Ke7 37.Ra6 Kd7 38.Kg2 Kc7 39.Rf6 Ra7 40.Rf5 Kd6 41.Rg5 Ra4 42.Rg8 Ke7 43.Rg7 Kf6 44.Rg8 Kf7?? 45.Rg5 Kf6 46.Rd5 Ke6 47.Rd4 Rd4 48.ed4 Kd5 49.f3 Kd4 50.fg4 Ke5 51.Kh3 Kf6 52.Kh4 Kg6 53.g5 Kf5 54.Kh5 Ke6 55.Kg6 Ke5 56.Kf7 Kf5 57.g6 Kg5 58.g7 Kg4 59.g8Q Kh3 60.Kf6 Kg2 61.Kf5 Kf2 62.Kf4 Ke2 63.Qb3 Kd2 64.Ke4 Ke2 65.Qc2 Kf1 66.Kf3 Kg1 67.Qg2 1–0. Fournier,Frederic (1995) – sefiroth (1670), Active (5/0), 2005.

7.Be2 Re8 8.d3 b6 9.0–0 c5 10.b5 a6 11.a4 ab5 12.ab5 Bb7 13.Ra8 Ba8 14.e4 Nbd7 15.Nc3 Qc7 16.Nd5 Qb7 17.Bc1 Re6 18.Ng5 Re8 19.Bg4 h6 20.Bd7 Nd7 21.Nh3 g5 22.g3 f5 23.f4 ef4 24.gf4 fe4 25.fg5 hg5 26.Ng5 Ne5 27.Qh5 Nf3 28.Nf3 ef3 29.Rf3 Rf8 30.Rf8 Bf8 31.Qg6 Bg7 32.Qd6 Bd4 33.Kh1 Qg7 34.Qd8 Qf8 35.Bg5 Qd8 36.Bd8 Bd5 37.cd5 c4 38.dc4 Bc5 39.Bc7 Kf7 40.d6 Ke6 41.h4 Kd7 42.h5 Be3 43.Kg2 Bh6 44.Kf3 Bf8 45.Bb6 Kd6 46.Ke4 Kd7 47.Kd5 Be7 48.c5 Kc8 49.h6 Bf6 50.c6 Bb2 51.Bd4 Bd4 52.Kd4 Kc7 53.Kc5 Kb8 54.b6 Kc8 55.Kd6 Kd8 56.Ke6 Ke8 57.Kf6 Kf8 58.h7 Ke8 1–0. bananinha (1620) – pavarsija08, kurnik, 2012.

6.Qb3 0–0

7.Nc3 Nbd7 8.Be2 Ne8 (8...a5!?=) 9.0–0+= Kh8 10.d4 f5 11.de5 de5 12.Rad1 c6 13.Nb1 (13.Rd2 Qe7+=) 13...Qe7+= 14.b5 Nc5 15.Ba3 Be6 (15...cb5 16.cb5 b6 17.Nc3+=) 16.Qc2 (16.bc6!? b6 17.Nc3+/–) 16...cb5= 17.cb5 Rc8 18.Nbd2 b6 19.Qb1 Qf7 (19...Nd6 20.Bb2 Bd5 21.Qa1=) 20.Bc5 Rc5 21.a4 (21.Ng5 Qf6 22.Ne6 Qe6=) 21...h6 22.Rc1 Rc1 23.Rc1 e4 24.Nd4+= Bd4 25.ed4 Nf6 26.a5 Bd5 27.Qa1 f4 28.Nf1 f3 29.Bd1 fg2–/+ 30.Ne3 Qe6 31.Ng2 Ng4 32.Rc2 e3–/+ 33.Bg4 Qg4 34.fe3=+ h5 35.Qe1 Rf3 36.Qh4?? Qf5?? 37.Qd8 Kh7 38.Rc7 Kh6 39.Qh8 Kg5 40.h4?? Kg4–+ 41.Qc8 Kg3 42.Qf5+= Rf5 43.Nf4 Kf3 44.Ng6+= Ke3?? 45.Ra7 (45.Ra7 Be4 46.ab6 Rb5 47.Ra3 Kd4 48.Nf4+=) 1–0. orangutanb4 (1965) – kezojek (1830), kurnik, 2011.

7.Nc3 Re8 8.h4 (8.d4 ed4 9.Nd4 a5=+) 8...Bg4 9.Be2 c6 10.0–0–0 (10.e4!?=+) 10...a5–/+ 11.b5 Nbd7 12.a4? (12.d4!?=+) 12...Nc5 (12...e4 13.Ne1–+) 13.Qc2 e4 14.Nd4? (better is 14.d4 ef3 15.gf3–+) 14...Be2 15.Nce2 Nd3 16.Kb1 Nf2 17.bc6 bc6 18.Nc6 Qb6 19.Ncd4 Rab8 20.Ka2 Nd1 21.Rd1 Nd7 22.Nb5 Bb2 23.Qb2 Nc5 24.Qc2 Nd3 25.Ned4 Nb4 (25...Nb4 26.Kb3 Nc2 27.Kc2 Qc5–+) 0–1. lendzior (1655) – blickar (1745), kurnik, 2012.

7.d4 e4 8.Nfd2= b6 9.Nc3 Bb7 (9...Re8 10.Be2= (10.Qc2 c5 11.bc5 dc5 12.dc5 bc5 13.Rd1=; 10.Rb1 c5 11.bc5 dc5 12.dc5 bc5 13.Nd5=) 10...c5 11.dc5 bc5 12.bc5 dc5 13.0–0=; 9...Qe7 10.Rb1 (10.Be2 a6 11.Nde4 Ne4 12.Ne4 Bb7 13.f3+=) 10...a5 11.b5 Bf5 12.Be2 h6 13.0–0+=) 10.c5 (10.Be2 Re8+= 11.0–0 Nbd7 12.Rad1 a6 13.f3+=; 10.Rd1 Qe7 11.Be2 c5 12.bc5 bc5 13.dc5+=; 10.Rb1 Nbd7 11.Be2 c5 12.0–0 cd4 13.ed4+=) 10...Re8 (10...d5 11.Rb1 (11.Be2= bc5 12.dc5 Nbd7 13.0–0=) 11...Nbd7 12.Be2 Re8 13.0–0+=) 11.Bc4 (11.cd6 cd6 12.Be2 Nc6+= 13.Rc1+=) 11...d5= 12.Be2 c6 (12...bc5 13.dc5 Qe7 14.0–0=) 13.a4 (13.0–0 bc5 14.bc5 Ba6=; 13.Rb1=) 13...Bc8 14.b5 (14.0–0 Bg4=) 14...Bg4 (14...bc5 15.dc5 Qe7 16.Qb4=) 15.Bg4+= Ng4 16.bc6 Nc6 17.cb6 Nd4 (17...Nf6 18.ba7 Ra7 19.0–0+/–) 18.ed4 Bd4 19.0–0?? (19.b7 Rb8 A) 20.Qd5 Nf2 21.Qd8 Red8–/+ (21...Rbd8?! 22.Rf1=); B) 20.Nd1+=) 19...Bb6?? (better is 19...Qh4 20.h3 Bf2 21.Rf2 Qf2 (21...Nf2 22.Nd5 Re6 23.b7+–) 22.Kh1 Ne3–+ (22...Qd2?! 23.Nd5 Rad8 24.b7 Rd5 25.b8Q Rb8 26.Qb8 Rd8 27.Bc3 Nf2 28.Kh2–+)) 20.Nd5+/– Re6? (better is 20...Ba5 21.Rad1 Rb8+/–) 21.Qc3+– Ne5 (21...f6 22.Qc4 Qd6 23.Nf6 Nf6 24.Bf6+–) 22.Nb6 Qb6 (22...ab6 23.Ne4 Rc8 24.Rad1+–) 23.Nc4 (23.Nc4 Qc7 24.Ne5 Qc3 25.Bc3+–; worse is 23.Ne4 Rae8+–) 1–0. Murtaugh,Henry – Wall,Bill, Yuba City,CA, 1972.

7.d4 e4 8.Nfd2 b6 9.Nc3 Bb7 10.c5 Re8 11.Bc4 d5 12.Be2 c6 13.a4 Bc8 14.b5 Bg4 15.Bg4 Ng4 16.bc6 Nc6 17.cb6 Nd4 18.ed4 Bd4 19.0–0 Qh4 20.h3 Bf2 21.Rf2 Qf2 22.Kh1 Ne3 23.Rg1 Qd2 0–1. Murtaugh,Henry – Wall,Bill, Marysville, CA, 1972.

7.d4 e4 8.Nfd2 Re8 9.Nc3 c6 10.Qc2 d5 11.Be2 Nbd7 12.0–0 b6 13.b5 Bb7 14.bc6 Bc6 15.cd5 Nd5 16.Nce4 Nb4 17.Qc3 Be4 18.Ne4 Nd5 19.Qc6 N7f6 20.Nf6 Bf6 21.Bf3 Nb4? 22.Qa8 Qa8 23.Ba8 Ra8 24.e4 Nc2? 25.Rad1 Rd8 26.e5 Be7 27.d5 Nb4 28.d6 Bf8 29.a3 Nc6 30.Rc1 Na5 31.Rc7 a6 32.Bd4 Rb8 33.Rb1 b5 34.f4 Nc4 35.Rc4! (35...Rd8 36.Rc6+–) 1–0. Trkn – KennW33 (1755), ICC, 2004.

7.Be2 a5 8.b5 b6 9.0–0 Bb7 10.d4 ed4 11.ed4 Nbd7 12.Nbd2 Re8 13.Rfe1 Ne4 14.Bd3 Ndf6 15.d5 Nc5 16.Qc2 Qd7 17.Ne4 Nfe4 18.Bg7 Kg7 19.Be4 Qg4 20.Nd2 f5 21.Bf3 Qd4 22.Nb3 Qd3 23.Qd3 Nd3 24.Re3 Re3 25.fe3 Re8 26.Nd4 Bc8 27.Nc2 Kf6 28.Kf1 g5 29.g3 Bd7 30.Ke2 Ne5 31.Kf2 Nc4 32.Nd4 Ne3 33.Rc1 g4 34.Bh1 f4 35.Rc7 fg3 36.hg3 Bf5 37.Rc6 Nd1 38.Kf1 Bd3 39.Kg1 Ke5 40.Nb3 Bb5 41.Rb6 Bd3 42.Na5 Rf8 43.Nc6 Kf6 44.Nb4 Bc4 45.Rd6 Ke5 46.Re6 Kd4 47.Nc6 Kc5 48.Bg2 Bd5 49.Bd5 Kd5 50.Rh6 Ne3 51.Ne7 Ke4 52.Rh7 Rf1 53.Kh2 Rf2 54.Kg1 Rf1 55.Kh2 Rf2 56.Kh1 Rf1 57.Kh2 ½–½. carocan (1860) – shirov87 (1820), kurnik, 2012.

7.Be2 a5 8.b5 b6 9.a4 Bb7 10.0–0 Nbd7 11.d4 ed4 12.ed4 Re8 13.Re1 Ne4 14.Nbd2 Ndf6 15.Bd3 Qd7 16.Qc2 Nd2 17.Nd2 Qg4 18.f3 Qg5 19.Ne4 Qh4 20.Qf2 Qf2 21.Kf2 Nd7 22.Rab1 f5 23.Ng5 Nf8 24.d5 h6 25.Nh3 Bb2 26.Rb2 Re1 27.Ke1 Re8 28.Re2 Re2 29.Ke2 Nd7 30.f4 Nc5 31.Nf2 Bc8 32.Bc2 Kf7 33.Ke3 Kf6 34.g3 g5 35.Nd3 Nd7 36.Nc1 Nc5 37.Ne2 h5 38.Nd4 h4 39.fg5 Kg5 40.gh4 Kh4 41.Nf5 Bf5 42.Bf5 Na4 43.Kf4 Nb2 44.Bc2 Nc4 45.Bb3 Ne5 46.Kf5 Kh3 47.Ke6 Kh2 48.Ke7 Nd3 49.Kd8 Nc5 50.Bc2 a4 51.Kc7 a3 52.Bb1 Na4 53.Kd6 Nc3 54.Kc7 Nb1 55.d6 a2 56.d7 a1Q 57.d8Q Qa7 58.Kc6 Na3 59.Qb6 Qb6 60.Kb6 Nb5 ½–½. carocan (1865) – shirov87 (1815), kurnik, 2012.

7.Be2 Nbd7 8.0–0 Ng4 9.h3 Nh6 10.d4 Nf5 11.Bd3 Nb6 12.de5 de5 13.Be5 Be5 14.Ne5 Qg5 15.Nf3 Qh5 16.c5 Be6 17.Qc2 (17.Qd1!? Nc4 18.Qe2 Nce3+–) 17...Nd5+/– 18.a3 Nfe7 19.Nbd2 Rad8 20.Ne4 Bh3 21.Ng3 Qg4 22.Ne5?? (better is 22.Rfe1+–) 22...Qg5= 23.Nf7 (better is 23.Qb2!? Be6 24.Rfe1+=) 23...Rf7–/+ 24.gh3 Ne3 25.Qd2 Rd3 26.Qd3 Nf1 27.Rf1 Nf5 28.Kg2 h5 29.f4 Nh4 30.Kh2 Rf4 31.Rf4 Qf4 32.Qd8?? Kh7 33.Qe7 Kh6 34.Qe2 Nf3 35.Kg2–/+ Nh4 36.Kh2 Nf3 37.Kg2–/+ Nh4 38.Kh1?? Qg4 39.Qd2 (39.Qd2 Qg5 40.Qf2 Qd5 41.Kg1 Nf3 42.Kg2 Ng5 43.Kh2–/+). carocan (1835) – danutzic, kurnik, 2011.

6.b5 0–0

7.Be2 a6 8.a4 ab5 9.cb5 c6 10.Nc3 Nbd7 11.0–0 Nb6 12.a5 Nbd5 13.Nd5 cd5 14.b6 Qd7 15.h3 Ne4 16.Qb3 Qe6 17.d4 ed4 18.Bd4 Bd7 19.Bg7 Kg7 20.Nd4 Qe5 21.Rfc1 Rfc8 22.Rc8 Rc8 23.a6 ba6 24.b7 Rb8 25.Ra6 Qe8 26.Ra7 Nc5 27.Qb6 h5 28.Qd6 Nb7 29.Qd5 Qc8 30.Bf3 Be6 31.Ne6 fe6 32.Rb7 Kf6 33.Qd4 e5 34.Qd6 1–0. Abdullaevich (1760) – kalmika (1810), lichess.org, 2019.

7.Be2 b6 8.d3 Bb7 (8...a6 9.0–0=) 9.e4 (9.0–0 a6=) 9...c6 (9...a6 10.0–0=) 10.a4 (10.0–0 cb5 11.cb5 a6=) 10...cb5 (10...Nfd7 11.0–0=) 11.ab5+= Nbd7 (11...Nfd7 12.Ba3+=) 12.0–0 Nc5 13.h3 (13.Nc3 a6+=) 13...a6 (13...Nfd7 14.Nc3+=) 14.Nc3 (14.ba6 Ra6 15.Ra6 Ba6+=) 14...Nh5 (14...a5 15.Bc1+=) 15.ba6+= Ra6 16.Ra6 Na6 17.Nd5 (17.Bc1 Nf4+=) 17...Nc5 (17...Bd5 18.cd5 Nc5+=) 18.g4 (18.Bc1 Nf6+=) 18...Nf4 (better 18...Bd5 19.ed5 Nf4=+) 19.Nf4+– ef4 20.Bg7 Kg7 21.Qa1 (21.Qd2 Re8+–) 21...Kg8+= 22.Qb2 (22.Kh2 Re8+=) 22...Qc7 (22...f5 23.gf5 gf5 24.Kh2+=) 23.Ra1 (23.Qf6 Ne6+–) 23...Ra8 (better 23...f5!? 24.gf5 gf5+=) 24.Ra8+– Ba8 25.Qc1 (25.Qf6 Bc6+–) 25...Ne6+= 26.Qa1 (26.Qb1 Qc5+=) 26...Bc6 27.Qf6 White prepares g5 (27.Qb1 Nc5+=) 27...h6 (27...b5 28.Nd4 Nd4 29.Qd4 bc4 30.Qc4+=) 28.h4 White intends g5 (28.g5 Qd8 29.Qd8 Nd8 30.gh6 Kh7+–) 28...Qd7 (28...b5!? 29.g5 h5+=) 29.g5 h5 30.Nd4 (30.Bf1 Qd8+=) 30...Nd4+= 31.Qd4 b5 0–1. DEFFM – GuestDKPL, freechess.org, 2016.

7.Be2 b6 8.d4 ed4 9.Nd4 Bb7 10.Bf3 Bf3 11.Qf3 Nbd7 12.Nc6 Qe8 13.Nd2 Qe6 14.0–0 Qg4 (14...Nc5 15.Nd4 Qe5 16.Rac1=) 15.Ne7+= Kh8 16.Qb7 Rfe8 17.Nc6 Rec8 18.Bd4 (18.Na7? Nc5 19.Qc8 Rc8 20.Nc8 Qc8–+) 18...Ne8 19.h3 (19.h3 Qe6 20.Nb4+= (20.Na7? Rcb8 21.Bg7 Kg7–+); 19.Na7 Rcb8 20.Qa6 Nc5 21.Bc5 bc5–+) 1–0. DEFFM – GuestKVTS, freechess.org, 2019.

7.Be2 b6 8.d4 e4 9.Nfd2 a6=.

7.Be2 c6 8.0–0 d5 9.a4 Re8 10.h3 Nbd7 11.bc6 bc6 12.cd5 cd5 13.d4 Rb8 14.de5 Rb2 15.ef6 Nf6 16.Ra3 Qd6 17.Rb3 Rb3 18.Qb3 Ba6 19.Ba6 Qa6 20.Nd4 Rd8 21.Nc3 Qd6 22.Ncb5 Qc5 23.Rb1 Rb8 24.Qc3 Qc3 25.Nc3 Rb1 26.Nb1 Nd7 27.Nc6 a6 28.Ne7 Kf8 29.Nd5 Bb2 30.Nbc3 Nc5 31.Kf1 Ke8 32.Ke2 Kd7 33.Kd2 Kd6 34.Kc2 Ba3 35.Nb6 Kc6 36.Nc4 Bb4 37.Ne5 Kd6 38.Nf7 Ke6 39.Ng5 Ke7 40.Nh7 Bc3 41.Kc3 Na4 42.Kb4 Nb6 43.Ng5 Nd7 44.Ne4 Ne5 45.Ka5 Nd3 46.Ka6 Ke6 47.Kb5 Kf5 48.f3 Ne1 49.g4 Ke5 50.Ng5 Kf6 51.h4 Ng2 52.Ne4 Ke5 53.h5 gh5 54.gh5 Ne3 55.h6 1–0. Abdullaevich (1820) – Chesssantiago4 (1785), lichess.org, 2020.

7.Be2 c6 8.a4 Bg4 9.0–0 Nbd7 10.d3 Nc5 11.Nc3 Re8 12.d4 ed4 13.Nd4 (< 13.Qd4 Nb3 14.Qf4 Na1 15.Ra1 Qb8–/+) 13...Be2 14.Qe2 Nfe4 15.Ne4 Ne4 16.bc6 Bd4 17.Bd4 (better is 17.cb7!? Rb8 18.Bd4 (18.ed4?! Ng3 19.Qf3 Nf1 20.Rf1 d5=) 18...Rb7 19.Rab1+–) 17...bc6+= 18.Rfb1 c5 19.Bb2 Qe7 20.Qd3 Rab8 21.Bc3 Nc3 22.Qc3 Qe5 23.Qe5 Re5?? (better is 23...de5 24.Rb5 Rec8+=) 24.Rb8+– (24...Kg7 25.Rb7+–) 1–0. hal1958 – vulcan, playchess.de, 2003.

7.Be2 Nbd7 8.0–0 e4 9.Nd4 Nc5 10.Nc3 Re8 11.Nb3 Nfd7 12.Qc2 c6 13.Ba3 Nb3 14.ab3 cb5 15.cb5 Nb6 16.d4 f5 17.Na4 Be6 18.Nb6 Qb6 19.Bc4 d5 20.Be2 Rec8 21.Qd2 Qd8 22.Rfc1 g5 23.Rc8 Qc8 24.Be7 h6 25.Rc1 Qd7 26.Qb4 Rc8 27.Rc8 Qc8 28.Qc5 a6 29.ba6 ba6 30.Qd6 Qc1 31.Bf1 Kf7 32.Bd8 Bf8 33.Qa6 f4 34.Qe2 Kg6 35.Ba5 Qb1 36.b4 f3 37.gf3 ef3 38.Qd3 Qd3 39.Bd3 Kf6 40.b5 Bc8 41.e4 Bb7 42.e5 Ke6 43.h3 1–0. Junge – Prell, corr DDR.

7.Be2 Nfd7 8.d4 e4 (8...a6 9.Nc3=) 9.Nfd2+= f5 10.0–0 Nf6 11.Nc3 g5 (11...a6 12.a4+=) 12.f3 (12.Qb3 Qe7+=) 12...Re8 (12...ef3 13.Nf3 Qe7 14.Qd3+=) 13.fe4+– Ne4 (13...fe4!? 14.Qe1 a6+–) 14.Nde4+– fe4 15.Bh5 Re7 (15...Rf8 16.Rf8 Qf8 17.Qc2+–) 16.Qc2 Be6 (16...c6 17.bc6 bc6 18.Ne4+–) 17.Ne4 (17.Qe4?! c6 18.Qd3 cb5 19.cb5 a6+–) 17...Bc4 (17...Kh8 18.Ng5 Bg8+–) 18.Ng5 Bh6 (18...Bf6 19.Rf6 Rg7 20.Nh7 Nd7 21.Qc4 Kh7+–) 19.Bf7!! Bf7 (19...Bf7 20.Qh7 Mate attack; 19...Rf7 20.Rf7 Mate attack) 20.Qh7 Kf8 21.Qh8 1–0. DEFFM – jangazy, freechess.org, 2018.

7.Be2 Be6 8.0–0 Nbd7 9.Nc3 c6 10.d4 e4 11.Nd2 d5 12.cd5 cd5 13.f3 Bh6 14.f4 a6 15.a4 ab5 16.ab5 Nb6 17.Rf2 Qd6 18.Nf1 Rfc8 19.Ra8 Ra8 20.Ng3 Qb4 21.Qb1 Ng4 22.Bg4 Bg4 23.Kh1 Be6 24.Qc1 f5 25.Nge2 Bg7 26.h4 Nc4 27.g3 Nb2 28.Ng1 Nd3 29.Rb2 Nb2 30.Nh3 Nd3 31.Qd2 Ra1 32.Kg2 Ne1 33.Kf2 Nf3 34.Qc2 Bd7 35.Nd5 Qe1 36.Kg2 Qh1 37.Kf2 Qf1 0–1. axtur777 – darude_sandstorm, lichess.org, 2020.

7.h3 c6 8.a4 a6 9.Nc3 cb5 10.cb5 ab5 11.Bb5 Bd7 12.0–0 Qe8 13.Ba3 Bb5 14.Nb5 Qd7 15.d4 Rd8 16.de5 de5 17.Qd7 Nfd7 18.Bd6 Nc6 19.Rfd1 e4 20.Nfd4 Nd4 21.Nd4 Ra6 22.Bc7 Rc8 23.Bf4 Nc5 24.Rdc1 Rac6 25.Nc6 Rc6 26.a5 Ba1 27.Ra1 Nd3 28.Bg3 Rc1 29.Rc1 Nc1 30.Kf1 Nb3 31.Bc7 Kf8 32.Ke2 Ke7 33.f3 ef3 34.gf3 Kd7 35.Bb6 Kc6 36.Kd3 Na5 37.Ba5 b6 38.Bc3 Kb5 39.Bf6 Ka4 40.Kc3 b5 41.e4 b4 42.Kb2 Kb5 43.Kb3 h5 44.h4 Kc6 45.Kb4 Kd7 46.Kc4 Ke6 47.e5 Kf5 48.Kd3 Kf4 49.Ke2 Kg3 50.Ke3 Kg2 51.Kf4 Kh3 52.Kg5 Kg3 53.f4 Kf3 54.f5 1–0. Abdullaevich (1685) – ThePineApple (1680), lichess.org, 2018.

7.h3 Nbd7 8.Be2 Nb6 9.a4 h6 10.a5 Nbd7 11.0–0 Re8 12.d3 Qe7 13.Nbd2 d5 14.Qb3 Nc5 15.Qb4 e4 16.de4 de4 17.Nd4 Bd7 18.Ba3 b6 19.N2b3 Nb3 20.Qe7 Re7 21.Be7 Na1 22.Ra1 Ne8 23.ab6 cb6 24.Ra3 f5 25.c5 bc5 26.Bc5 Nc7 27.Ra7 Ra7 28.Ba7 Bd4 29.ed4 Nb5 30.d5 Na7 0–1. Abdullaevich (1980) – carancho (1945), lichess.org, 2019.

6.b5 a6

7.a4 ab5 8.ab5= Ra1 9.Ba1 0–0 (9...Bg4 10.d3=) 10.Be2 c5 (10...e4 11.Nd4=) 11.0–0 (11.d3 Bg4=) 11...Nbd7 (11...Re8 12.d3=) 12.d4 ed4 (12...Qe7 13.Nc3=) 13.ed4 cd4 (13...Re8 14.Re1+=) 14.Nd4 (14.Bd4 Re8+=) 14...Nc5 15.Nc3 (15.Re1 Re8+=) 15...Re8 (15...d5 16.Na4 Na4 17.Qa4=) 16.Bf3 (16.Re1 Qc7+=) 16...Qa5 (16...Ncd7 17.Re1+=) 17.Qc2 (17.Nd5 Nd5 18.Bd5 Be6 19.Ne6 fe6 20.Bg7 Kg7 21.Qd4 Kg8+=) 17...Qb4 (17...Bg4 18.Bg4 Ng4 19.Nd5=) 18.Nd5+= Nd5 19.Bd5 Bf5?? (better 19...Be6 20.Bc3 Qa4+=) 20.Nf5+– gf5 21.Qf5 Re1 (21...Ne6 22.Qg4 Re7+–) 22.Qf7 (22.Qf7 Kh8 23.Qg7) 1–0. DEFFM – jangazy, freechess.org, 2018.

7.a4 Bd7 8.Be2 (8.d4 ed4 9.Bd4 ab5 10.cb5 c5=) 8...0–0 (8...e4 9.Nd4=) 9.0–0 Bf5 (9...Bg4 10.d4=) 10.d4 ed4 11.Nd4 Bd7 12.Nd2 c5 13.N4f3 ab5 14.ab5 Ra1 15.Qa1 Be6 (15...Re8 16.Qa7 Qc7 17.Ra1+=) 16.Ng5 (16.Ne4 Ne4 17.Bg7 Re8+–) 16...h6+= 17.Ne6 fe6 18.Bf3 b6 (18...Rf7 19.Qb1 Kh7 20.Qd3+–) 19.Ne4 Rf7 (19...Qe7 20.Rd1+–) 20.Bf6 (20.Rd1!? Ne4 21.Be4 Bb2 22.Qb2+–) 20...Bf6 21.Qa8 Kg7 (21...Be5!?+–) 22.Rd1 Rd7 (22...Be5 23.Bg4 Qh4 24.h3+–) 23.Bg4+– d5 (better 23...Kf7 24.Nf6 Kf6 25.Qf3 Ke7+–) 24.Be6 de4 (24...Re7 25.Nf6 (worse 25.Qd5 Re6 26.Nf6 Qf6 27.Qb7 Re7 28.Qb8 Rf7+–) 25...Re6 26.Nd5+–) 25.Bd7 Nd7 (25...Be5+–) 26.Qd8 Bd8 27.Rd7 (27.Rd7 Kf6 28.Rd8+–) 1–0. GuestRQZV – GuestCCJN, freechess.org, 2019.

7.a4 e4 8.Nd4=+.

7.Be2 ab5 8.cb5 e4=.

6.b5 c6

7.a4 a6 8.Nc3 ab5 9.cb5 cb5 10.ab5 Ra1 11.Qa1 Bd7 12.Be2 Qb6 13.Qa4 0–0 14.0–0 Na6 15.d4 ed4 16.Nd4 Qc5 17.Bf3 b6 18.Nc6 Nb4 19.Ne4 Ne4 20.Bg7 Kg7 21.Be4 Qc4 22.Bf3 Rc8 23.h3 Nd5 24.Qc4 1–0. Abdullaevich – KilluaZoldyk, lichess.org, 2018.

7.a4 a6 8.Be2 ab5 9.ab5 Ra1 10.Ba1 Nbd7 (10...e4 11.Nd4=) 11.0–0 d5 (11...cb5 12.cb5 0–0 13.d4=) 12.cd5 (12.Ne5 cb5 13.cb5 Qe7 14.Nd7 Bd7+–) 12...e4 (better 12...Nd5!? 13.bc6 bc6+=) 13.dc6 bc6 (13...ef3!? 14.cd7 Bd7 15.Bf3 Bb5+–) 14.bc6+– Nc5 (14...ef3 15.cd7 Qd7 16.Bf3+–) 15.Nd4 0–0 16.f3 Nd5 17.fe4 Ne4 18.Bd3 Nc5 19.Bc4 Nb6 20.Ba2 Qg5 (20...Ba6 21.Rf3+–) 21.Qf3 (better 21.Nf3 Qe7 22.Bg7 Kg7 23.Qc1+–) 21...Nd3? (21...Be6 22.Nc3 (22.Ne6?! fe6 23.Qg3 Rf1 24.Kf1 Qg3 25.hg3 Ba1=) 22...Ba2 23.Na2+–) 22.Qe2 (better 22.Qf7 Rf7 23.Rf7 Nd5 24.Rg7 Kf8+–) 22...Ne5 (better 22...Nb4 23.Nf3 Qc5 24.Bg7 Kg7+–) 23.Nc3 Bg4 24.Qf2 Kh8 25.Ne4 Qe7 26.h3 Nd3 27.Qg3 Bc8 (27...Qe4 28.Qg4 Qg4 29.hg4+–) 28.Ng5 (28.Qd6 Qe8+–) 28...Be5 (28...Ne5+–) 29.Nf7 Rf7 30.Rf7 Bg3 (30...Qf7 31.Bf7 Bg3 32.Nf3 Ne5 33.Be5 Be5 34.Ne5 Kg7+–) 31.Re7 Ba6 (31...Be5+–) 32.Ne6 (32.Nf5 Be5 33.Re8) 32...Kg8 33.Rg7 Kh8 34.Rg6 (34.Rf7 Be5 35.Rf8) 34...Ne5 (34...Be5 35.Rf6! Bf6 36.Bf6 Kg8 37.Nc5 Bc4 38.Bc4 Nc4+–) 35.Rg5 (35.Rg3 Nbc4 36.Bc4 h5 37.Nf8 Bc4 38.Be5) 35...h6 (35...Bf2 36.Kf2 Nbc4 37.Bc4 h5 38.Nf8 Bc4 39.Be5) 36.Rg3 Kh7 (36...Bc8 37.Be5 Kh7 38.Bb1) 37.Be5 (37.Nf8 Kh8 38.Be5) 37...h5 38.Rg7 (38.Nf8 Kh6 39.Rg6) 38...Kh6 (38...Kh8 39.Rg6 Kh7 40.Nf8) 39.Rg3 (39.Bf4) 39...Kh7 40.Bb1 (40.Nf8 Kh6 41.Rg6) 40...Bd3 41.Bd3 Kh6 42.Bg7 (42.Bf4) 1–0. GuestCMTG – GuestSDZW, freechess.org, 2017.

7.a4 e4 8.Ng5 d5 9.bc6 bc6 10.cd5 Qd5 11.h4=+.

7.Nc3 0–0=.

6.b5 e4

6.Qc2 0–0

7.Nc3 Nbd7 8.d3 c6 9.a4 a5 10.b5 Ng4 11.h3 Nh6 12.Be2 f5 13.0–0 Nf7 14.Nh2 g5 15.f4 h6 16.fe5 Nfe5 17.d4 Ng6 18.Rf5 Rf5 19.Qf5 Nde5 20.Qc2 Nd7 21.Qg6 1–0. Hgvanmoork (1805) – PPI (1850), lichess.org, 2018.

7.Be2 Re8 8.0–0 Bf5 9.Qc1 Nc6 10.a3 a5 11.b5 Ne7 12.Nh4 Be6 13.d4 ed4 14.ed4 c6 15.Re1 cb5 16.cb5 Qb6 17.Nc3 Rec8 18.Qd2 Ned5 19.Nd5 Nd5 20.Nf3 a4 21.Rac1 Bd7 22.Bc4 Nc7 23.Ng5 d5 24.Bd3 Bb5 25.Bb5 Nb5 26.Re7 Nd6 27.Qf4 Qb2 0–1. Hgvanmoork (1920) – vivarais (1790), lichess.org, 2018.

7.Be2 Bf5 8.d3= Nc6 9.e4 Bg4 10.0–0 (10.b5 Bf3 11.Bf3= (worse 11.bc6 Bg2 12.Rg1 Bh3–/+)) 10...Bf3 11.Bf3 Nd4 (11...Nb4!? 12.Qb3 Na6=+) 12.Qd1 Nf3 13.Qf3 Nh5 14.Nd2 f5 15.Qd1 f4 (15...Nf4!? 16.Nf3 Qd7=+) 16.Nf3 h6 17.Rc1 g5 (17...a5 18.b5+=) 18.h3 Nf6 19.Nh2 (19.c5 Qd7+=) 19...h5 20.c5 Ne8 (20...Qd7 21.cd6 cd6 22.d4+=) 21.Qb3 (21.Qh5!? dc5 22.Nf3 cb4 23.Ng5+– (worse 23.Ne5 f3+–)) 21...Kh7+– 22.Qd1 Qd7?? (22...Kg8 23.Qh5 dc5 24.Rc5 Qd3 25.Be5 Qe4+–) 23.Qh5+– Bh6 (23...Kg8 24.Nf3+–) 24.cd6 (24.Ng4 Qe6+–) 24...cd6 25.Rc4 (25.Ng4!? Qe6+–) 25...Ng7 26.Qe2 Qf7 (26...Ne6 27.Nf3+–) 27.Rfc1 (27.d4 ed4 28.Bd4 d5 29.ed5 Qd5+–) 27...Qh5 (27...f3 28.Qf3 Qf3 29.Nf3+–) 28.Ng4 (28.Qh5 Nh5 29.Rc7 Kg6+–) 28...f3 29.gf3 (29.Qe3!? fg2 30.d4 ed4 31.Rd4 Ne8+–) 29...Qh3+– 30.Rc7 (30.d4 Rf3 31.Nh2=) 30...Kg8? (better 30...Rf3 31.Nh6 Kh6+=) 31.Nh6 (31.d4!? Ne6 32.Qc4 Rae8 33.de5 Bg7 34.ed6 Bb2+–) 31...Qh6 32.d4 Qh4 (32...Ne6 33.Rb7 Nf4 34.Qc4 d5 35.ed5 Qh3=+) 33.de5 Qh3 (33...Ne6 34.ed6 Qh3 35.Qc4+– (35.Rb7?! Rf3 36.Be5 Qg4 37.Kf1 Qh3 38.Ke1 Raf8+–)) 34.Qc4 (better 34.ed6 Ne6 35.Qc4+– (35.Rb7?! Rf3 36.Be5 Qg4 37.Kf1 Qh3 38.Ke1 Raf8+–)) 34...Kh8 (34...d5 35.Qd5 Ne6+–) 35.ed6 Rf3 (35...Rg8 36.Qf7 Qh6 37.Kg2 Rad8 38.Rh1 Qh1 39.Kh1 Rd6 40.Qh5 Rh6 41.Qh6) 36.Bg7 Kh7 37.Be5 (37.Bf8! Kg6 38.Qg8 Kh5 39.Rh7 Kg4 40.Qe6 Kf4 41.Rf7 Qf5 42.Qf5) 37...Kg6 38.Rg7 Kh6 39.Rf7 Qg4 40.Kf1 Qh3 (40...Kg6 41.Rg7 Kh5+–) 41.Ke2 Rf7 42.Qf7 Qh4 1–0. GuestMLPV – GuestFFYY, freechess.org, 2017.

7.h3 Nbd7 8.Be2 c6 (8...e4 9.Ng5+=) 9.Nc3 a5 10.b5 Qc7 11.0–0 a4 12.Ba3 Re8 13.Rab1 (worse is 13.Na4 cb5 14.Nc3 Ra3 15.Nb5 Qa5+=) 13...Nb6 (13...e4!? 14.Ne1 c5=) 14.bc6+= Qc6 (14...bc6 15.Bd6 Qd6 16.Rb6+/–) 15.Nb5 (better is 15.c5!? dc5 16.Bb5+/–) 15...d5 16.Rfc1 (16.Nd6 Nc4 17.Bc4 dc4 18.Ne8 Ne8+=) 16...dc4 (16...Nc4 17.Bc4 dc4= (worse is 17...Qc4 18.Qb2 Qe2 19.Nc7+/–)) 17.Nd6+/– (worse is 17.Bc4 Nc4 18.Qc4 Qc4 19.Rc4 Be6–/+) 17...Re6 (better is 17...Bf5!? 18.Nf5 gf5 19.Qf5 e4+/–) 18.Nc4+– Nfd7 19.Ng5 Re8? (19...Rf6 20.Be7+–) 20.Nd6 (better is 20.Nb6!? Nb6 21.Qc6 bc6 22.Rb6 h6+–) 20...Qc2 21.Rc2 Rd8 22.Ngf7 Rf8 23.Bc4 h6? 24.Ne5 Kh7 25.Nd7 Nd7 26.Nb7 Rh8 27.Nd6 Ne5 28.Nc8 Rac8 29.Rbc1 Rhd8 30.Bg8! Rg8 31.Rc8 Rc8 32.Rc8 h5 33.Rc7 Kh6 34.d4 Nd3 35.Ra7 Ne1 36.Ra4 h4 37.Ra8 Kh5 38.Bd6 g5 39.Be5 Bh6 40.a4 g4 41.hg4 Kg4 42.Rg8 Bg5 43.Bf6 Nf3 44.gf3 Kh3 45.Kf1 Kh2 46.Rg5 h3 47.Be5 Kh1 48.Rg1 1–0. Palma Gonzalez,Manel – Argemi Camp,Jaume (1630), Llinars del Valles ESP, 7th Open–B, 2013.

6.Nc3 0–0

7.a3 a5 8.d4 ed4 9.Nd4 (worse 9.Qd4 Nc6 10.Qd2 ab4 11.ab4 Ra1 12.Ba1 Nb4–/+) 9...ab4 10.ab4=.

7.a3 a6 8.Be2 Be6 (8...e4 9.Nd4=) 9.0–0 Nc6 10.b5 (10.d4 ed4 11.Nd4 Nd4 12.Qd4 Nd5=) 10...ab5 11.cb5 Ne7 (11...Na5 12.d4=) 12.a4 (12.d4 e4 13.Ng5 d5 14.Ne6 fe6=) 12...Nd7 (12...c5 13.bc6 Nc6 14.d4=) 13.d4 f5 (13...ed4 14.Nd4 Nf5 15.Ne6 fe6 16.a5=) 14.de5 (14.Ng5 Bf7+–) 14...de5 (14...Ne5 15.Ne5 de5 16.a5+=) 15.Re1 (15.Ng5!? Nc5 16.Ne6 Ne6 17.Bc4+–) 15...h6 16.Qc2 e4 (16...c5 17.e4=) 17.Nd2 (17.Nd4 Bd4 18.ed4 Nf6+–) 17...Ne5 18.Nc4?? (better 18.Red1 Nd3 19.Nf3=) 18...Nc4–+ (18...Bc4?! 19.Bc4 Nc4 20.Qb3=) 19.Bc4 Bc4 20.Ne4 fe4 (better 20...Bb2!? 21.Qc4 Qd5 22.Qd5 Nd5 23.Rad1 fe4 24.Rd5 Ra4 25.Red1–+) 21.Qc4 (21.Bg7 Bd3 22.Qb2–+) 21...Kh7 (better 21...Qd5 22.Qc1 Qf5 23.Bg7 Qf2 24.Kh1 Kg7 25.Qc7 Qf6–+) 22.Bg7–/+ Kg7 23.Rad1 (23.Red1 Qc8 24.Qe4 Re8=+) 23...Qc8 (23...Qe8 24.Qe4 c6 25.b6–/+) 24.Qd4 Kh7 25.Qe5 (25.Qe4 Rf7–/+) 25...Rf7 26.Qe4 Qf5 27.Qb7? (27.Qf5!? Nf5 28.e4–/+) 27...Qf2–+ 28.Kh1 Ra4 29.Qc7 Ra2 Threatening mate: Qxg2 30.Qg3 Qg3 (30...Nd5 31.Qf2 Raf2 32.h3–+) 31.hg3 Nf5 32.Kh2 (better 32.g4 Ng3 33.Kh2–+) 32...Re7 (better 32...Rb7!?–+) 33.e4–/+ Ng7 34.b6? (34.Rb1 Ne6–/+) 34...Rb2 (34...Rb7 35.Rd6 Rb2 36.g4–+) 35.Rd6? (better 35.Rb1!? Rb1 36.Rb1–/+) 35...Rb7 36.e5 R2b6 37.Red1 (37.Rd3–+) 37...Rd6 38.ed6 Rd7 39.Kg1 Ne8 40.Kf2 Nd6 41.Ke3 (41.Rd4 Kg7–+) 41...Re7 (41...Nf5 42.Ke2 Ng3 43.Ke1 Rd1 44.Kd1–+) 42.Kd4 (42.Kf4 g5 43.Kf3 Rf7 44.Ke2 Ne4–+) 42...Nf5 43.Kd5 (43.Kc3 Ng3 44.Rd3 Ne2 45.Kb4 Re4 46.Kb5 Rg4–+) 43...Ng3 (better 43...Rd7 44.Ke4 Rd1–+) 44.Kd6 (44.Rd3 Nf5 45.Rb3 Ne3 46.Kd6 Re4–+) 44...Rg7 (44...Re2!? 45.Rg1–+) 45.Ke6 Nf5 46.Kf6 h5 47.Rh1 (47.Rd3 Rb7–+) 47...Kh6 48.g4 Ng3 49.g5 Kh7 50.Ra1 (50.Rh4 Ra7 51.Rb4 Ne2–+) 50...Ne4 51.Ke5 Ng5 52.Kf6 (52.Kf4 Nf7–+) 52...Ne4 53.Ke5 Re7 54.Kf4 (54.Kd4 h4–+) 54...g5 55.Kf5 Rg7 (better 55...g4–+) 56.Ke4 Rg6 (56...h4 57.Kf5 g4 58.Rh1–+) 57.Kf5 (57.Kf3 Rd6–+) 57...Kh6 (57...g4 58.Kf4–+) 58.Rg1 (58.Ra8 h4–+) 58...h4 (better 58...g4 59.Rg3–+) 59.Re1 (59.Kg4–+) 59...Kh5 (59...g4 60.Rh1 Kh5 61.Kf4–+) 60.Re8 g4 (60...h3 61.Re2 g4–+) 61.Rh8= Rh6 62.Rg8 Do you see the mate threat? 62...h3 63.Rg5 Kh4 64.Rg4 Kh5 65.Rg5 Kh4 66.Rg4 Kh5 67.Rg5 Kh4 68.Rg4 ½–½. Markzela (1840) – raphaelheals (2090), lichess.org, 2020.

7.Rb1 b6 8.Be2 Nbd7 9.0–0 Bb7 10.d4 e4 11.Nd2 Re8 12.Qc2 d5 13.cd5 Nd5 14.Nd5 Bd5 15.Ne4 Be4 16.Bd3 Bb7 17.e4 Nf6 18.e5 Qd5 19.f3 Rac8 20.ef6 Bf6 21.Bc4 Qg5 22.Qb3 Re7 23.d5 Bb2 24.Rb2 Qe3 25.Qe3 Re3 26.Rff2 Rc3 27.Bb3 Re8 28.h3 Ba6 29.Rfd2 Re1 30.Kh2 Rcc1 31.d6 cd6 32.Rd6 Rh1 33.Kg3 h5 34.Rd8 Kg7 35.Rd7 Bc4 36.Bc4 Rc4 37.Ra7 h4 38.Kf2 Rcc1 39.a4 Rcf1 40.Ke3 Rh2 41.a5 ba5 42.ba5 Re1 43.Kf2 Rhh1 44.g4 Ref1 45.Ke3 Re1 46.Re2 Ra1 47.Rd2 Rh3 48.a6 Ra3 49.Rd3 Rd3 50.Kd3 Rf3 51.Ke4 Ra3 52.Ra8 f5 53.gf5 gf5 54.Kf5 h3 55.a7 h2 56.Rb8 Ra7 57.Rb7 Rb7 58.Kg4 h1Q 59.Kg3 Qg1 60.Kf4 Qf1 61.Ke5 Qe2 62.Kd4 ½–½. Evgenii_777 (1720) – lpvl (1725), lichess.org, 2020.

7.Qb3 a5 8.b5 +=.

7.Qb3 c6 8.d4 e4 9.Nd2 Bf5 10.h3 h5 11.Be2 Re8 12.0–0 Nbd7 13.a4 Nh7 14.Qc2 Qh4 15.Rfe1 Ng5 16.Bf1 Re7 17.Ne2 Kh7? (better is 17...Nf6!?+=) 18.Ng3+/– Rh8? (better is 18...Be6!? 19.Nde4 Ne4 20.Qe4 Qg5+/–) 19.Nf5+– gf5 20.g3 Nh3 21.Kh2 Qg5 22.Bh3 h4 23.Rg1 Nf6 24.Nf3! hg3? 25.Rg3 Qh5 26.Nd2 Kg8 27.Rag1 Ng4 28.Kg2 f6 29.Kf1 Kf8 30.Bg4 fg4 31.Ne4 f5 32.Nd6 Bh6 33.Nf5 Rf7 34.Nh6 Rh6 35.Rg4 Qh3 36.Ke1 Re6 37.d5 cd5 38.cd5 Re8 39.Qc5 (39.Qc5 Rfe7 40.Rg8 Kf7 41.R1g7) 1–0. Fournier,Frederic (1670) – pieronimzo (1690), rated blitz game (2/12), 2002.

7.Qb3 h6 8.Be2 Nc6 (8...e4 9.Nd4=) 9.b5 Nb8 (9...Na5 10.Qa4 c5 11.d4 cd4 12.ed4 ed4 13.Nd4=) 10.d4 ed4 11.ed4 Re8 (11...a6 12.ba6 Ra6 13.0–0=) 12.0–0+= Bf5 13.Rfe1 Nbd7 14.a4 Nf8 (14...a6 15.a5+=) 15.Nd1 (15.Nh4 Bc8+=) 15...g5 (15...Ne6 16.Ne3 Be4 17.Nd2+=) 16.Ne3+/– Bg6 17.Nd2 (17.a5 a6+/–) 17...Qc8 (17...Ne6 18.a5+=) 18.Bd3 (18.a5 a6+/–) 18...Bd3 (18...a6 19.a5+/–) 19.Qd3 Ng6 20.g3 (20.Nf5 Nf4 21.Qc2 a6+/–) 20...Ne7 (20...a6 21.f3+=) 21.Re2 Qh3 22.Rae1 Rad8 23.Ne4 Kf8 24.Nf6 Bf6 25.Qh7 c6 26.f3 h5 27.Qh6+– Bg7 28.Qg5 f6 29.Qf4 Kf7 30.d5 Ng6 31.Qf5 Qf5 32.Nf5 Re2 33.Re2 cd5 34.cd5 Bf8 35.Re6 Ne5 36.f4 Ng4 37.h3 (37.h3 Ne5 38.Kf1+– (38.Be5?! de5 39.fe5 fe5 40.Nh6 Bh6 41.Rh6 Rd5+–; 38.fe5?! de5 39.b6 a6 40.Be5 fe5 41.Nh6 Bh6 42.Rh6 Rd5+/–)) 1–0. Teichmann,E – Buckmire,R, 05 BCF–ch, 1985.

7.Rc1 Be6 8.Be2 c6 9.Ng5 Qd7 10.Ne6 Qe6 11.0–0 Nbd7 12.Qc2 d5 13.cd5 Nd5 14.Nd5 Qd5 15.Bc4 Qd6 16.Rfd1 Qb4 17.Rb1 Qc5 18.Bf7 Rf7 19.Qb3 Qb5 20.Qe6 Qd5 21.Qh3 Re8 22.a4 b6 23.a5 Qe6 24.Qg3 e4 25.ab6 ab6 26.Qc7 0–1. Adamkosh (1985) – freyler (1885), lichess.org, 2020.

7.Qc2 a5 8.b5 +=.

7.Qc2 Na6 8.a3= c5 9.b5 Nc7 10.Be2 Re8 11.0–0 (11.d3 a6=) 11...Bg4 (better is 11...e4!? 12.Ng5 h6–/+) 12.h3 Bd7 13.d3 (13.Ng5 e4 14.d3 ed3 15.Bd3 Qe7+=) 13...Nh5 (13...a6 14.a4+=) 14.Ne4 (14.Nd2 Rb8+=) 14...Qe7 15.a4 f5 16.Nc3 Nf6 Black prepares the advance e4 17.Rad1 Ne6 18.Rfe1 g5 (18...a6 19.Ra1=) 19.d4 (19.Nd2!?+=) 19...cd4= 20.ed4 e4 21.Nh2 (better is 21.d5!? ef3 22.de6 fe2 23.ed7 ed1Q 24.de8Q (24.Nd1?? Qe1 25.Kh2 Nd7 26.Qf5 Bb2 27.Qd5 Qe6 28.Nb2 Qd5 29.cd5 Re5–+; 24.de8R?! Re8 25.Rd1 Qe6=) 24...Re8 25.Rd1=) 21...Nf4+= 22.Ba3 White prepares c5 (22.Nf1 Qf7–/+) 22...b6 (22...Rac8 23.Bf1+=) 23.Nf1+= g4 (better is 23...Ne2 24.Qe2 f4+=) 24.hg4+/– fg4 25.Ne3 (25.Ng3 h5+/–) 25...Rac8 (25...Rad8 26.c5 dc5 27.dc5+/–) 26.c5+/– bc5 27.dc5 dc5 28.Bc4 Kh8 29.Ncd5 N4d5 30.Nd5 Nd5 31.Bd5 (31.Rd5!? g3 32.fg3+/–) 31...g3= 32.Re4 (better is 32.Bb2!? e3 33.Bg7 Qg7 34.Re3 Re3 35.fe3=) 32...Bf5–/+ 33.Re7 Bc2 34.Rde1 (34.Rg7 Kg7 35.Rc1 Be4–/+) 34...Re7 35.Re7 Bd4 36.Bc4 (36.Ra7 gf2 37.Kh2 Be5 38.g3 f1Q 39.Bg2 Qf2 40.Rf7 Qg3 41.Kg1 Bd4 42.Rf2 Bf2 43.Kh1 Qh4 44.Bh3 Qh3) 36...gf2 37.Kf1 Ba4 38.Bc1? (better is 38.Re4 Bc2 39.Re2–/+) 38...Rb8–+ 39.Bh6 (39.Rc7 a6 40.Re7 Bb5 41.Bb5 ab5–+) 39...a6 40.Bf4 Bb5 41.Bb5 Rb5 42.Be5 Be5 43.Re5 a5 44.Kf2 a4 45.Ke3 (45.Re8 Kg7 46.Ra8–+) 45...Ra5 46.Kd2 (46.Kf4 a3 47.Re1 Kg7–+) 46...a3 47.Re1 a2 48.Ra1 Kg7 49.Kc3 Kg6 50.g4 (50.Kb3 Kf5 51.Kc4 Kf4–+) 50...Kg5 51.Kb2 (51.Kc4 Kg4 52.Kd5 h5–+) 51...h6 52.Kb3 Kg4 53.Kc2 (53.Kc4 h5–+) 53...h5 54.Kb2 h4 55.Rg1 Kf3 56.Ka1 h3 57.Rc1 (57.Rg7–+) 57...Ra3 58.Rc2 Kg3 59.Rc5 h2 60.Rc1 Kh3 (60...Kh3 61.Rd1 Kg2 62.Rd2 Kg3–+) 0–1. Wong,Brian (1875) – Abrantes,Persson (1985), Tromso NOR, 2014.

7.Qc2 b6 8.d4 (8.Be2!?=) 8...ed4+= 9.Nd4 Bb7 10.Nf3 Bf3 (10...Re8 11.b5+=) 11.gf3= Nc6 12.a3 (12.b5 Na5=) 12...a5 (12...Qd7 13.f4=) 13.b5 Ne5 14.f4 (14.Be2 Ned7=) 14...Nf3+= 15.Ke2 Nh4 16.Bh3 Re8 17.Rad1 Nd7 (17...Re7 18.Rhg1=) 18.Rhg1 f5 19.Nd5 Bb2 20.Qb2 Kf7 21.Rg5 Nf6 22.Qd2 (better is 22.Rg3!?=) 22...Ne4–/+ 23.Qd4? (better is 23.Qd3 Ng5 24.fg5–/+) 23...Ng5–+ 24.fg5 Re4 (24...Qg5?! 25.Nc7 Qh5 26.Kf1+=) 25.Qd3 Qg5 26.Nc7 Qh5 27.Kf1 Rd8 28.Qd5 Kg7 (better is 28...Kf6!? 29.Bg2 Rc4 30.Re1–+) 29.Rd4 Re5 (better is 29...Kh6 30.Re4 fe4 31.Qh5 gh5–+) 30.Ne6?? (30.Qb7 Kh6 31.Nd5 Rd5 32.Qd5–+ (32.cd5?? Nf3 33.Rf4 Qh3 34.Ke2 Ng1 35.Kd2 Qh5–+)) 30...Kh6 (30...Kg8!? 31.Bg2 Ng2 32.Qg2 Re6 33.Qd5 Qh3 34.Kg1–+) 31.Nd8 Rd5 32.cd5 (32.Rd5 Qf3 33.Nf7 Kh5 34.Bf5 gf5 35.Nd6–+) 32...Nf3 (32...Nf3 33.Rd3 Qh3 34.Ke2 Ng5–+) 0–1. Otte,Marco – Ernst,Thomas (2360), Gent BEL, 2014.

7.Qc2 Be6 8.Be2 Nbd7 9.0–0 c6 10.d3 (10.Ng5 Bf5 11.e4 Bg4=) 10...Re8 11.Ng5 Nf8 (11...Bg4 12.Bg4 Ng4 13.Nge4=) 12.Nge4 White prepares c5 (12.a4 Bg4=) 12...Qc7 (12...Ne4 13.Ne4 f5 14.Nd2=) 13.Rac1 (13.c5 d5 14.Nd6 Re7=) 13...Rac8 (13...Ne4 14.Ne4 f5 15.Ng5=) 14.Nf6 (14.c5 dc5 15.bc5 Rcd8+=) 14...Bf6 15.Ne4 White intends c5 15...Bg7 (15...Be7!?+=) 16.c5+– d5 (16...dc5 17.bc5 (17.Qc5?! Nd7 18.Qc2 Bf8=) 17...Re7 18.f4+–) 17.Nd6 d4 18.Ne8 (18.Bf3 Nd7+–) 18...Re8+– 19.ed4 (19.Bf3 Nd7+–) 19...ed4 20.Rfe1 (20.f4 Ba2 21.Ra1 Bd5 22.Ra7 Ne6+–) 20...Nd7 (20...Ba2 21.Ra1 Bd5 22.Ra7+–) 21.a4 Be5 (21...Qf4 22.Bd1+–) 22.g3 Nf6?? (better 22...Bg7+–) 23.f4+– Bf4 24.gf4 Qf4 25.Bf1 (better 25.Bd1+–) 25...Bd5 (25...Ng4+–) 26.Re8 Ne8 27.Qf2 Qg5 28.Bg2 (28.Qg3 Qd2 29.Rb1 Ba2+–) 28...Ng7 (28...Nc7 29.Re1 Ne6 30.Qg3 Qg3 31.hg3 Bg2 32.Kg2+–) 29.Kh1 (29.Qg3!? Qg3 30.hg3 Bg2 31.Kg2 Ne6+–) 29...Nh5 (29...Ne6 30.Bd5 Qd5 31.Kg1 Qg5 32.Kf1+–) 30.Rg1 (better 30.Re1 Kf8 31.Bd5 Qd5 32.Kg1+–) 30...f5?? (30...Nf4 31.h4 Bg2 32.Rg2 Qg2 33.Qg2 Ng2 34.Kg2 f6+–) 31.Bd5 (31.Bd5 cd5 32.Rg5 Kf8 33.Qd4 Ke8 34.Qh8 Kd7 35.Qh7 Kc8 36.Rg6 Nf6 37.Bf6 f4 38.Rg8) 1–0. Pereira Fo,Hildebrando Apoloni (1735) – Scardini,L, 3rd Floripa Open (8), 2017. (=1.c4 Nf6 2.Nf3 g6 3.b4 d6 4.Nc3 Bg7 5.Bb2 0–0 6.e3 e5)

7.d3 a6 8.Be2 Nc6 9.a3 Bf5 10.0–0 Qd7 11.Nd5 Rfe8 12.e4 Bg4 13.Nd4+= 0.44.

7.d3 a6 8.Be2 Nc6 9.Qa4 Re8 10.0–0 Bd7 11.Qb3 Bg4 12.h3 Bf5 13.a4=.

7.d3 a6 8.Be2 Nc6 9.Qb3 Nd7 10.0–0 Re8 11.Rfd1 Nf6 12.d4 ed4 13.ed4=.

7.d3 a6 8.Be2 Nc6 9.Qb3 Be6 10.0–0 d5 11.Ng5 dc4 12.dc4 Qe7 13.Ba3 Nd7? (better is 13...Qe8!?+/–) 14.Nce4+– b5 15.Ne6 Qe6 16.cb5 Qb3 17.ab3 ab5 18.Bb5 Ndb8? (18...Ncb8+–) 19.Bc6 Nc6 20.b5 Rfb8 21.bc6 f5 22.Bd6! cd6 (22...Ra1 23.Ra1 Rc8+–) 23.Ra8 Ra8 24.Nd6 Bf8 25.Nb5 Rc8 26.Rc1 Kf7 (26...Be7+–) 27.c7 Ke6 28.Na7 Kd7 29.Rd1 Kc7 30.Rc1 Kd7 (30...Kb7 31.Nc8 Bb4 32.Kf1+–) 31.Nc8 1–0. capablancaven (2245) – srbijajan (1895), gameknot.com, 2014.

7.d3 a6 8.Be2 Be6 9.Ng5 (9.a3 Nc6 10.0–0 Qe7 11.d4 ed4 12.ed4 d5 13.Re1= 0.25; 9.0–0 Nc6 10.a3 Qe7 11.d4 ed4 12.ed4 d5 13.Re1= 0.25) 9...Bd7 10.0–0 Nc6 11.a3 Ne8 12.Nf3 Nf6 13.d4+= 0.28.

7.d3 a6 8.Be2 Bf5 9.0–0 (9.a3 Nc6 10.0–0 Qd7 11.Nd5 Rae8 12.e4 Bg4 13.b5+= 0.31; 9.e4 Bg4 10.0–0 Nc6 11.Nd5 Bf3 12.Bf3 Re8 13.Bg4= 0.22) 9...Nc6 10.a3 Qd7 11.Nd5 Rfe8 12.e4 Be6 13.Bc1+= 0.41.

7.d3 Na6 A) 8.b5 A1) 8...Nb8 9.d4 (9.Be2 a6 10.0–0 ab5 11.cb5 Nbd7 12.d4 Re8 13.Qc2= 0.13; 9.a3 Be6 10.Be2 a6 11.0–0 ab5 12.cb5 Nbd7 13.Ng5= 0.13) 9...ed4 10.Nd4 c5 11.Nb3 a5 12.Nd2 Re8 13.Bd3= 0.19; A2) 8...Nc5 9.Be2 (9.d4 ed4 10.ed4 Ne6 11.Qd2 a6 12.ba6 b6 13.Be2= –0.12) 9...a6 10.0–0 ab5 11.cb5 Be6 12.Ng5 Nd5 13.Ne6= 0.03; B) 8.a3 B1) 8...c5 9.Qb3 (9.b5 Nc7 10.Be2 Re8 11.0–0 d5 12.Re1 d4 13.Ne4= –0.06; 9.bc5 Nc5 10.Be2 Bg4 11.0–0 Re8 12.h3 Be6 13.d4= 0.09) 9...Bd7 10.b5 Nc7 11.Be2 Bg4 12.0–0 Qe7 13.Rad1= 0.25; B2) 8...Qe7 9.Be2 Bg4 10.0–0 c6 11.Nd2 Be2 12.Qe2 d5 13.Rac1= 0.25; B3) 8...Re8 9.e4 (9.Be2 c5 10.b5 Nc7 11.0–0 d5 12.Qc2 d4 13.Ne4= –0.03) 9...c6 10.Be2 d5 11.ed5 cd5 12.0–0 d4 13.Ne4= 0.00; C) 8.Qb3 C1) 8...c6 9.Be2 (9.a3 Be6 10.Be2 Ng4 11.0–0 f5 12.h3 Nh6 13.d4+= 0.28) 9...Qb6 10.a3 Bg4 11.Qc2 Rad8 12.0–0 Rfe8 13.h3+= 0.31; C2) 8...Bg4 9.Be2 Re8 10.0–0 c5 11.b5 Nc7 12.Rad1 Qe7 13.Qc2= 0.25; C3) 8...c5 9.b5 (9.a3 cb4 10.ab4 Qb6 11.b5 Nc5 12.Na4 Qa5 13.Qc3= 0.13) 9...Nb8 10.Be2 a6 11.0–0 ab5 12.Nb5 Nc6 13.Rfb1= 0.13.

7.d3 c6 8.a3 A) 8...Be6 9.Ng5 (9.Be2 Nbd7 10.0–0 Qe7 11.d4 a5 12.b5 Rac8 13.d5= 0.22) 9...Bf5 10.Be2 Nd5 11.Nd5 cd5 12.Nf3 dc4 13.dc4+= 0.34; B) 8...Qb6 9.Be2 Bf5 10.0–0 Nbd7 11.d4 a5 12.c5 dc5 13.de5+= 0.50; C) 8...a5 9.b5 (9.Be2 ab4 10.ab4 Ra1 11.Qa1 Na6 12.b5 Nc7 13.0–0= 0.25) 9...Bg4 10.Be2 Nbd7 11.0–0 Re8 12.h3 Be6 13.Ng5= 0.25.

7.d3 c6 8.Rb1 A) 8...Na6 9.a3 (9.Qa4 Qb6 10.a3 c5 11.bc5 Nc5 12.Qc2 Qc7 13.Be2= 0.09; 9.b5 cb5 10.cb5 Nb4 11.d4 Bf5 12.Rc1 e4 13.Nd2= 0.25) 9...Nc7 10.Be2 b5 11.d4 e4 12.Nd2 bc4 13.Nc4+= 0.31; B) 8...Bg4 9.h3 (9.Be2 Qb6 10.0–0 Nbd7 11.a3 d5 12.h3 Bf5 13.e4= 0.19) 9...Bf3 10.Qf3 d5 11.Be2 dc4 12.dc4 Qe7 13.a3= 0.22; C) 8...a5 9.b5 Bf5 10.Be2 Nbd7 11.0–0 d5 12.bc6 bc6 13.cd5= 0.22.

7.d3 c6 8.Be2 Qb6 9.a3 (9.Qb3 Na6 10.a3 Bg4 11.Qc2 Rad8 12.0–0 Rfe8 13.h3+= 0.31; 9.b5 cb5 10.cb5 Be6 11.d4 Nbd7 12.0–0 a6 13.Na4= 0.16) 9...Bf5 10.0–0 Nbd7 11.d4 a5 12.c5 dc5 13.de5+= 0.50.

7.d3 c6 8.Be2 Be6 9.a3 (9.0–0 Qe7 10.a3 Nbd7 11.d4 a5 12.b5 Rac8 13.d5= 0.22; 9.Ng5 Bf5 10.e4 Bd7 11.0–0 Nh5 12.Nf3 Qf6 13.Bc1= 0.03) 9...Nbd7 10.0–0 Qc7 11.Ng5 a5 12.b5 Bf5 13.e4+= 0.38.

7.d3 c6 8.Be2 Re8 9.0–0 Nbd7 10.Nd2 d5 11.cd5 cd5 12.Rc1 Nf8 (12...Qb6 13.Qb3 a5 14.Nd5 Nd5 15.Qd5 Qb4 16.Bc3=) 13.Nb5+= Re7 14.Qc2 Bd7 15.d4 e4 16.Qc7 Ne6 ½–½. Sherwin,James T (2365) – Beaumont,Chris (2290), Bristol op, 2000.

7.d3 c6 8.Be2 Bf5 9.0–0 (9.a3 a5 10.b5 Re8 11.e4 Bc8 12.0–0 d5 13.ed5+= 0.38; 9.e4 Bg4 10.0–0 Qb6 11.a3 Nbd7 12.Ng5 Be2 13.Qe2+= 0.34) 9...Qb6 10.a3 Nbd7 11.d4 Rfe8 12.Nh4 a5 13.c5+– 0.88.

7.d3 Nc6 A) 8.b5 A1) 8...Ne7 9.Be2 (9.d4 ed4 10.Nd4 c5 11.bc6 Nc6 12.Be2 Re8 13.Ncb5= 0.06; 9.c5 Be6 10.Be2 c6 11.0–0 dc5 12.Ne5 cb5 13.Nb5= –0.12) 9...Re8 10.0–0 a6 11.a4 ab5 12.ab5 Ra1 13.Qa1+= 0.34; A2) 8...Nb8 9.Qc2 (9.Be2 a6 10.0–0 ab5 11.cb5 c5 12.Qc2 Qb6 13.Ne4= 0.09; 9.d4 ed4 10.Nd4 Nbd7 11.Be2 Nc5 12.0–0 Be6 13.a4= 0.13) 9...a6 10.Be2 Bg4 11.0–0 ab5 12.cb5 Nbd7 13.Rfc1= 0.16; A3) 8...Na5 9.Qa4 (9.Be2 a6 10.0–0 ab5 11.cb5 Qe7 12.Qc2 Bg4 13.Rfc1= 0.06; 9.d4 ed4 10.Nd4 c5 11.bc6 bc6 12.Be2 Nd7 13.Rb1= –0.09) 9...b6 10.Be2 a6 11.0–0 Re8 12.Qc2 c6 13.bc6= 0.16; B) 8.a3 B1) 8...Bf5 9.Be2 (9.e4 Be6 10.Be2 a6 11.0–0 Ng4 12.h3 Nh6 13.Bc1= 0.22; 9.b5 Ne7 10.Be2 a6 11.0–0 ab5 12.cb5 c5 13.bc6= 0.06) 9...a6 10.0–0 Qd7 11.Nd5 Rae8 12.e4 Bg4 13.b5+= 0.59; B2) 8...Bg4 9.Be2 (9.h3 Be6 10.Be2 Re8 11.0–0 h6 12.b5 Na5 13.Qa4= 0.19; 9.b5 Ne7 10.Be2 a6 11.0–0 ab5 12.cb5 Ned5 13.Nd5= –0.03) 9...Re8 10.0–0 a6 11.Ng5 Be2 12.Qe2 d5 13.Rfd1= 0.22; B3) 8...a6 9.Qc2 (9.Be2 Re8 10.0–0 h6 11.e4 Nd4 12.Nd4 ed4 13.Nd5= 0.03; 9.Qd2 d5 10.Be2 d4 11.ed4 Nd4 12.Nd4 ed4 13.Nd1= –0.22) 9...Re8 10.Be2 Bg4 11.0–0 h6 12.Nd5 Nd5 13.cd5= 0.22.

7.d3 Qd7 8.Be2 A) 8...a6 9.0–0 (9.a3 Re8 10.0–0 Nc6 11.d4 e4 12.Nd2 Qf5 13.Qc2+= 0.47; 9.Qb3 Nc6 10.0–0 Re8 11.d4 ed4 12.Nd4 Nd4 13.ed4= 0.09) 9...Re8 10.a3 a5 11.b5 h6 12.d4 Qe6 13.de5+= 0.56; B) 8...Re8 9.a3 (9.0–0 a6 10.d4 Qe7 11.a3 Bf5 12.Qd2 a5 13.Rfd1+= 0.31; 9.b5 a6 10.0–0 Qe7 11.a4 ab5 12.ab5 Ra1 13.Qa1= 0.13) 9...c6 10.0–0 a5 11.d4 ab4 12.ab4 Ra1 13.Qa1+= 0.34; C) 8...a5 9.a3 (9.b5 Re8 10.0–0 Qe7 11.Nd2 c6 12.Ba3 Rd8 13.Rb1= 0.25) 9...ab4 10.ab4 Ra1 11.Qa1 Nc6 12.b5 Nd8 13.d4+= 0.28.

7.d3 Bd7 A) 8.Be2 A1) 8...Re8 9.0–0 (9.a3 a6 10.0–0 Nc6 11.d4 ed4 12.ed4 Bf5 13.d5+= 0.28; 9.e4 Qe7 10.0–0 c6 11.a3 a5 12.b5 cb5 13.Nb5= 0.25) 9...a5 10.b5 Qe7 11.e4 Bh6 12.Rb1 Bg4 13.h3+= 0.34; A2) 8...Qe7 9.a3 (9.0–0 a5 10.b5 Re8 11.Nd2 c6 12.Ba3 Rd8 13.Rb1+= 0.31; 9.b5 a6 10.a4 Re8 11.0–0 Bg4 12.Nd2 Be2 13.Qe2= 0.25) 9...a5 10.b5 h6 11.d4 Bf5 12.0–0 e4 13.Nd2+= 0.41; A3) 8...a6 9.0–0 (9.a3 Re8 10.0–0 Nc6 11.d4 ed4 12.ed4 Bg4 13.d5= 0.19; 9.Qd2 Re8 10.Ne4 Ne4 11.de4 a5 12.b5 Be6 13.0–0= –0.12) 9...Nc6 10.a3 Re8 11.d4 ed4 12.ed4 Bg4 13.d5= 0.19; B) 8.a3 B1) 8...Re8 9.Be2 (9.e4 c5 10.Be2 Nc6 11.0–0 cb4 12.ab4 Nb4 13.Ba3= 0.03) 9...h6 10.0–0 Qe7 11.Nd2 Qe6 12.Nde4 Ne4 13.de4+= 0.31; B2) 8...a5 9.b5 (9.Be2 ab4 10.ab4 Ra1 11.Qa1 Bf5 12.0–0 Nc6 13.Qa4+= 0.34) 9...Bg4 10.Be2 Qe7 11.0–0 Nbd7 12.h3 Be6 13.Ng5+= 0.34; B3) 8...Bg4 9.Be2 (9.h3 Be6 10.Be2 a5 11.0–0 Qe7 12.d4 ed4 13.ed4= 0.19; 9.b5 Nbd7 10.Be2 a6 11.0–0 ab5 12.cb5 Re8 13.h3= 0.00) 9...a5 10.0–0 ab4 11.ab4 Ra1 12.Qa1 Na6 13.Qa5+= 0.28.

7.d3 Nfd7 A) 8.Be2 A1) 8...Nc6 9.a3 (9.b5 Ne7 10.0–0 a6 11.a4 Re8 12.a5 ab5 13.cb5= 0.22) 9...Nb6 10.0–0 Bf5 11.Nd2 Qh4 12.f4 ef4 13.b5+= 0.41; A2) 8...a6 9.a3 (9.0–0 Nc6 10.b5 ab5 11.cb5 Ne7 12.Qc2 Nc5 13.Rfc1= 0.19; 9.d4 c5 10.bc5 dc5 11.de5 Ne5 12.Qb3 Nbc6 13.Ne5+= 0.28) 9...Nf6 10.0–0 Nc6 11.d4 ed4 12.ed4 Re8 13.Re1+= 0.31; A3) 8...Re8 9.0–0 (9.a3 Nf6 10.0–0 a5 11.d4 ab4 12.ab4 Ra1 13.Qa1= 0.16) 9...Nf6 10.d4 a5 11.a3 ab4 12.ab4 Ra1 13.Qa1= 0.16; B) 8.Rb1 B1) 8...Na6 9.Qb3 (9.a3 Nb6 10.Be2 f5 11.0–0 Be6 12.Na4 g5 13.Nb6+= 0.38; 9.b5 Nac5 10.d4 ed4 11.ed4 Re8 12.Be2 Ne6 13.0–0= 0.00) 9...c6 10.Be2 Nb6 11.0–0 Be6 12.a4 d5 13.a5+= 0.38; B2) 8...c5 9.a3 (9.bc5 dc5 10.Be2 Nc6 11.0–0 Nf6 12.Ng5 Bf5 13.Nge4= 0.19; 9.Nb5 Nc6 10.Nd6 cb4 11.Be2 Nc5 12.Nc8 Rc8 13.0–0= –0.03) 9...Nc6 10.b5 Ncb8 11.Be2 Nb6 12.0–0 f5 13.a4+= 0.31; B3) 8...Nc6 9.b5 (9.a3 Nb6 10.Be2 Be6 11.Ne4 h6 12.b5 Ne7 13.0–0= 0.03) 9...Ne7 10.Be2 a6 11.ba6 Ra6 12.0–0 Re8 13.Re1= 0.19; C) 8.a3 a5 9.Be2 (9.b5 h6 10.Be2 Nb6 11.0–0 Be6 12.Nd2 f5 13.f4+= 0.28) 9...ab4 10.ab4 Ra1 11.Qa1 Nf6 12.0–0 Re8 13.Qa4+= 0.34.

7.d3 Be6 A) 8.Be2 A1) 8...Nc6 9.a3 (9.b5 Ne7 10.d4 ed4 11.Nd4 Nf5 12.0–0 Nd4 13.ed4= 0.13; 9.Qa4 Bd7 10.b5 Ne7 11.0–0 a6 12.Qc2 ab5 13.cb5= 0.06) 9...Re8 10.0–0 Qe7 11.Ng5 Bd7 12.Bf3 Bf5 13.Nge4+= 0.41; A2) 8...Re8 9.d4 (9.0–0 a5 10.b5 h6 11.d4 Nbd7 12.d5 Bg4 13.Nd2= 0.22; 9.Ng5 Bd7 10.0–0 h6 11.Nge4 Ne4 12.de4 a5 13.b5= 0.16) 9...a5 10.b5 Nbd7 11.0–0 Qe7 12.Re1 e4 13.Nd2+= 0.28; A3) 8...a5 9.b5 h6 10.0–0 Nbd7 11.Nd2 d5 12.cd5 Nd5 13.Nd5= 0.16; B) 8.a3 B1) 8...Re8 9.Be2 (9.d4 ed4 10.Nd4 Bg4 11.Be2 Be2 12.Qe2 c5 13.Nc2= 0.16; 9.Ng5 Bd7 10.Be2 h6 11.Nge4 Ne4 12.de4 Nc6 13.0–0= –0.06) 9...a5 10.b5 h6 11.0–0 Nbd7 12.d4 Qe7 13.d5+= 0.28; B2) 8...Nbd7 9.Be2 (9.Ng5 Bg4 10.Be2 Be2 11.Qe2 c6 12.0–0 d5 13.f4= 0.19; 9.d4 a5 10.Be2 ed4 11.Nd4 ab4 12.ab4 Ra1 13.Ba1= 0.06) 9...a5 10.0–0 ab4 11.ab4 Qe7 12.Qc2 c6 13.Ng5+= 0.28; B3) 8...a5 9.Be2 (9.b5 Qe7 10.Be2 h6 11.0–0 Nbd7 12.e4 Nc5 13.Qc2= 0.16) 9...ab4 10.ab4 Ra1 11.Qa1 Na6 12.Qa3 c6 13.b5= 0.22.

7.d3 Qe7 8.Be2 d5 9.Qb3 dc4 10.Qc4 Re8 11.d4 ed4 12.Nd4 Nbd7 13.Rd1 +=.

7.d3 Qe8 A) 8.a3 A1) 8...Bg4 9.h3 (9.Be2 a5 10.0–0 ab4 11.ab4 Ra1 12.Qa1 Na6 13.Qa5+= 0.38; 9.Nb5 Qe7 10.h3 Be6 11.Be2 a5 12.d4 Na6 13.Qb3= –0.06) 9...Be6 10.Be2 a5 11.b5 Nbd7 12.Ng5 h6 13.Ne6+= 0.41; A2) 8...a5 9.b5 (9.Be2 ab4 10.ab4 Ra1 11.Qa1 Na6 12.b5 Nc5 13.0–0= 0.19; 9.d4 ed4 10.Nd4 ab4 11.ab4 Ra6 12.Bd3 Bg4 13.Qb3= 0.09) 9...Qe6 10.Be2 Re8 11.0–0 Nbd7 12.e4 Nc5 13.Qc2+= 0.28; A3) 8...Qe6 9.d4 (9.Be2 Re8 10.d4 e4 11.Nd2 Qf5 12.0–0 Qg5 13.Kh1= 0.22; 9.Nb5 Na6 10.Be2 c6 11.Nc3 Nc7 12.0–0 Rd8 13.d4= 0.22) 9...e4 10.Nd2 Re8 11.Be2 Qf5 12.0–0 Qg5 13.Kh1= 0.25; B) 8.Be2 B1) 8...a6 9.d4 (9.a3 Nc6 10.0–0 Bf5 11.e4 Be6 12.Nd5 Qd8 13.Bc1+= 0.38; 9.0–0 Nc6 10.a3 Bf5 11.Nd5 Rc8 12.Nf6 Bf6 13.d4+= 0.34) 9...ed4 10.ed4 a5 11.b5 Qd8 12.0–0 Re8 13.Re1+= 0.44; B2) 8...Bf5 9.e4 (9.a3 a5 10.0–0 ab4 11.ab4 Ra1 12.Ba1 Qe7 13.Bb2= 0.25; 9.0–0 a6 10.a3 Nc6 11.Nd5 Qd8 12.e4 Bd7 13.Qc2= 0.25) 9...Bg4 10.0–0 Nc6 11.a3 a5 12.b5 Bf3 13.Bf3+= 0.31; B3) 8...a5 9.b5 (9.a3 ab4 10.ab4 Ra1 11.Qa1 Na6 12.b5 Nc5 13.0–0= 0.19; 9.ba5 Ra5 10.0–0 Nc6 11.Qb3 b6 12.Rfb1 Be6 13.Ng5= 0.06) 9...Nbd7 10.0–0 Qe7 11.d4 Re8 12.Qc2 ed4 13.ed4= 0.25; C) 8.Rb1 C1) 8...Nc6 9.a3 (9.b5 Ne7 10.Be2 a6 11.ba6 Ra6 12.0–0 Nc6 13.a4= –0.03; 9.Qa4 Bd7 10.b5 Ne7 11.Be2 a6 12.Qb3 ab5 13.Nb5= –0.03) 9...Bf5 10.Be2 h6 11.0–0 a6 12.Nd5 Qd8 13.e4+= 0.41; C2) 8...Qc6 9.Be2 (9.b5 Qe8 10.Be2 a6 11.0–0 ab5 12.cb5 Be6 13.a3= 0.06; 9.d4 ed4 10.Nd4 Qe8 11.Be2 a5 12.b5 Nbd7 13.0–0+= 0.38) 9...Qb6 10.a3 Bf5 11.c5 Qc6 12.e4 Be6 13.d4+= 0.41; C3) 8...a6 9.a3 (9.Be2 Be6 10.0–0 Nc6 11.a3 Rd8 12.Qc2 h6 13.e4+= 0.31; 9.Qb3 a5 10.b5 Bg4 11.Be2 Nbd7 12.Qc2 Nc5 13.0–0= 0.13) 9...Nbd7 10.Qc2 a5 11.Be2 Qd8 12.0–0 Nb6 13.b5+= 0.38.

7.d3 Bf5 8.Be2 A) 8...a6 9.0–0 (9.a3 a5 10.b5 Nbd7 11.0–0 Nc5 12.e4 Bg4 13.h3+= 0.31; 9.e4 Be6 10.0–0 Nc6 11.a3 Ng4 12.h3 Nh6 13.Bc1= 0.22) 9...Nc6 10.a3 Re8 11.e4 Bg4 12.Bc1 Bf3 13.Bf3+= 0.34; B) 8...Nbd7 9.0–0 (9.e4 Be6 10.0–0 a5 11.b5 Nc5 12.Bc1 Ne8 13.Be3= 0.22; 9.a3 c5 10.0–0 Qb6 11.Rb1 cb4 12.ab4 Bg4 13.Ne4+= 0.28) 9...c5 10.a3 Qb6 11.Rb1 cb4 12.ab4 Bg4 13.Qa4+= 0.28; C) 8...a5 9.b5 Nbd7 10.0–0 Nc5 11.e4 Bg4 12.Ne1 Be6 13.f4= 0.19.

7.d3 Bg4 8.a3 A) 8...Re8 9.h3 (9.Be2 Nbd7 10.h3 Be6 11.Ng5 Qe7 12.Ne6 Qe6 13.Nb5= 0.25) 9...Be6 10.d4 Bd7 11.Be2 e4 12.Nd2 c5 13.Nb3+= 0.34; B) 8...a5 9.b5 (9.Be2 ab4 10.ab4 Ra1 11.Qa1 Nc6 12.b5 Nb4 13.Qa5= 0.16) 9...Nbd7 10.Be2 Re8 11.0–0 Nc5 12.h3 Bf5 13.e4+= 0.34; C) 8...Nbd7 9.h3 (9.Be2 a5 10.0–0 Qe7 11.Nd2 ab4 12.ab4 Ra1 13.Ba1= 0.06) 9...Be6 10.Be2 a5 11.0–0 d5 12.d4 ed4 13.Nd4= 0.13.

7.d3 Bg4 8.Be2 A) 8...Re8 9.a3 (9.h3 Bd7 10.0–0 a6 11.d4 ed4 12.Nd4 Nc6 13.Nc6= 0.06; 9.0–0 Nc6 10.b5 Ne7 11.h3 Bc8 12.d4 ed4 13.Nd4= 0.16) 9...a5 10.b5 Nbd7 11.h3 Be6 12.Ng5 Qe7 13.0–0+= 0.28; B) 8...Qe7 9.h3 (9.0–0 a5 10.b5 Nbd7 11.h3 Be6 12.Ng5 c6 13.Ne6+= 0.28; 9.a3 a5 10.0–0 ab4 11.ab4 Ra1 12.Qa1 Na6 13.Qa5= 0.22) 9...Be6 10.0–0 a6 11.Ng5 Nc6 12.Ne6 fe6 13.a3+= 0.34; C) 8...a5 9.b5 (9.a3 ab4 10.ab4 Ra1 11.Ba1 Na6 12.b5 Nc5 13.0–0= 0.06) 9...Nbd7 10.0–0 Qe7 11.h3 Be6 12.Ng5 c6 13.Rb1= 0.22.

7.d3 Bg4 8.h3 Bd7 9.Be2 (9.a3 a6 10.Be2 Nc6 11.0–0 Re8 12.d4 ed4 13.ed4= 0.16) 9...a6 10.0–0 Nc6 11.a3 Re8 12.d4 ed4 13.ed4= 0.16.

7.d3 Bg4 8.h3 Be6 9.Ng5 (9.Be2 a5 10.b5 Re8 11.0–0 h6 12.Nd2 d5 13.Nf3= 0.13; 9.g4 c6 10.Bg2 Nfd7 11.Qe2 d5 12.0–0 Qe7 13.a3= –0.12) 9...Bf5 10.Be2 a5 11.b5 h6 12.Nf3 Re8 13.e4= 0.25.

7.d3 Bg4 8.h3= Bf3 9.Qf3+= c6 10.Be2 d5 11.0–0 b6 (11...Na6 12.a3+=) 12.Rac1 (12.b5 e4 13.Qf4 ed3 14.Bd3 dc4 15.Qc4 Nbd7+=) 12...Na6 13.cd5 cd5 14.a3 Rc8 15.d4 e4 16.Qg3 Nc7 17.Rc2 Nh5 18.Bh5 gh5 19.Rfc1 h4 (19...Ne6!?+=) 20.Qf4+– Ne6 (better is 20...Rb8!?+–) 21.Qf5 Kh8 (21...h6 22.Nd5 Rc2 23.Rc2+–) 22.Nd5 Rc2 23.Rc2 Ng5 24.Rc7 Rg8 25.Ra7 Nf3 26.gf3 Bd4 27.Kh1 Bb2 28.Rf7 Bg7 29.Nf6 Bf6 30.Rh7 (30.Rf6?? Qd1 31.Kh2 Qg1; 30.Qh7?!=) 1–0. usingprogram (2055) – dmitriy (1775), kurnik, 2011.

7.d3 Bg4 8.h3 Bf5 9.Be2 (9.g4 Be6 10.Bg2 Nfd7 11.Ne4 d5 12.cd5 Bd5 13.g5= –0.06; 9.e4 Be6 10.Be2 a6 11.0–0 Nc6 12.a3 Nd7 13.Nd5= 0.13) 9...a6 10.0–0 Nc6 11.a3 Qd7 12.e4 Be6 13.Nd5+= 0.28.

7.d3 Ng4 8.Be2 A) 8...Nc6 9.a3 (9.b5 Ne7 10.0–0 a6 11.a4 ab5 12.ab5 Ra1 13.Qa1+= 0.34; 9.h3 Nf6 10.b5 Ne7 11.d4 ed4 12.Nd4 a6 13.a4= 0.13) 9...f5 10.0–0 Be6 11.d4 ed4 12.ed4 d5 13.cd5+= 0.69; B) 8...f5 9.a3 (9.h3 Nf6 10.0–0 Qe7 11.a3 a5 12.b5 Nbd7 13.d4+= 0.28; 9.0–0 a5 10.b5 Be6 11.d4 Nd7 12.Rb1 Nb6 13.c5+= 0.41) 9...Nc6 10.0–0 Be6 11.d4 ed4 12.ed4 d5 13.cd5+= 0.69; C) 8...Be6 9.Qb3 (9.a3 a5 10.b5 Nd7 11.0–0 f5 12.d4 Nb6 13.d5= 0.25; 9.0–0 Nd7 10.d4 a5 11.b5 ed4 12.ed4 Re8 13.Re1+= 0.31) 9...Nc6 10.0–0 f5 11.h3 Nh6 12.Rad1 Nf7 13.d4+= 0.50.

7.d3 Nh5 8.Be2 f5 9.0–0 Nf6 10.Qb3 a5 11.c5 Kh8 12.a3 dc5 13.bc5+=.

7.d3 Nh5 8.Be2 f5 9.a3 Nf6 10.0–0 a5 11.Qb3 e4 12.c5 Kh8 13.Nd4+=.

7.d3 Nh5 8.Be2 f5 9.Nd2 Nf6 10.Nd5 (10.0–0 Be6=) 10...Be6 11.Bf3 Nbd7 12.Rb1 Rb8 13.Nf6 Nf6 14.h4 (14.Qa4 a6=) 14...h6 (14...b5 15.a3=+) 15.a4 Qe7 16.Qc2 Qf7 17.d4 e4 18.Be2 c6 19.b5 g5 (better 19...Rbc8!?=) 20.hg5 hg5 21.Ba3 Qc7 22.bc6 (22.c5 cb5 23.ab5 dc5 24.Qc5 Qc5 25.Bc5 Rfc8+–) 22...bc6+= 23.Rb8 Rb8 24.0–0 (24.c5 d5 25.Qc3=) 24...c5= 25.dc5 (25.f3 ef3 26.Nf3 Ne4+=) 25...dc5=+ 26.Rb1 Nd7 27.Rb8 Qb8 28.g4 (28.Nb3 Qd6=) 28...Qe5=+ 29.Kg2 Nf8 (29...Qa1!? 30.Bc1 Qc3 31.Qc3 Bc3=+) 30.gf5 Bf5 31.Nf1 Bd7 32.Ng3 Bc6 33.Qd2 Ba4 34.Qa5 The isolani on c5 becomes a target 34...Bc6 (34...Bc2!?=) 35.Qa7+– (35.Bc5?! Ne6 36.Bb4 Qa5 37.Ba5 Be5=) 35...Ne6 36.Bg4 Nf4? (36...Bf8+=) 37.Kh2?? (better 37.ef4 gf4 38.Qa6+–) 37...Nd3= 38.Kg2 (38.Bf5 Kh8=) 38...Ne1 39.Kh3 Nd3 40.Kg2 Ne1 41.Kh3 Nd3 ½–½. Wagner,Stefan (2135) – Druckenthaner,Andreas (2265), 2rd Austrian Championship Ost, 2018.

7.d3 Nh5 8.Be2 f5 9.d4 e4 (9...a5 10.b5 e4 11.Nd2 Qg5 12.Bh5 Qg2 13.Rf1+= 0.63) 10.Nd2 Nf6 (10...Qg5 11.g4 fg4 12.Nde4 Qh4 13.Qb3+= 0.31) 11.b5 (11.a3 Qe7+= (11...c5 12.Nb3 cd4 13.Nd4+= 0.44) 12.0–0 Be6 13.d5+= 0.38; 11.0–0 c5 12.bc5 dc5 13.dc5+= 0.47) 11...c5 (11...a6 12.a4 (12.Qa4= Be6 13.d5= 0.06) 12...c5 13.bc6+= 0.34) 12.dc5 (12.bc6 bc6 13.Rb1 Nbd7+=) 12...dc5= 13.Nb3 (13.0–0 Be6=) 13...b6 14.a4 a5 15.Qc2 Ra7 16.Rd1 Rd7 17.h3 (17.0–0 Rff7=) 17...Rd1 18.Qd1 Qd1 (18...Be6 19.0–0=) 19.Kd1 Be6 20.Kc2 Rd8 21.Ba3 Nbd7 (21...Bf7 22.Bc5 bc5 23.Na5=) 22.Rd1 Bf8 (22...Kf7 23.Rd6=) 23.Bb2 Be7 24.Nd2 (24.Nd5 Kf7=) 24...Kf7 25.Rh1 (25.f3 ef3 26.Bf3 Ne5=) 25...Bd6 (25...Ne5 26.f3 Nd3 27.Ba1 Nb4 28.Kc1 ef3 29.Nf3=+) 26.f3 ½–½. Ostl,Andreas – Heim,Bernhard, 1988. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.e3 e5 6.Nc3 0–0)

7.d3 Nh5 8.e4 f5 9.Be2 Nf4 10.0–0 Ne2 11.Ne2 c6 12.b5 Be6 13.Qc2 c5 14.Nc3 f4 15.Nd5 Nd7 16.a4 g5 17.h3 h5 18.Qe2 g4 19.hg4 hg4 20.Nh2 f3 21.Qd2 Bd5 22.cd5 Qh4 23.Bc1 fg2 24.Re1?? (24.Kg2!? Qh3 25.Kg1+=) 24...Bh6 (better is 24...Rf2! 25.Qf2 g3 26.Qg2 gh2 27.Kh1 Qe1 28.Kh2 Rf8 29.Qg7 Kg7 30.Bh6 Kh6 31.Re1 Rf2 32.Kg3 Rd2–+) 25.Qe2–/+ Bc1 26.Rec1 Rf4 27.Rc2?? Kg7 28.a5 Rh8 29.f3 g3 30.Qg2–+ Qh2 31.Qh2 gh2 32.Kh1 Rf3 33.Rg2 Kf7 34.Rd1 Nf6 35.b6 ab6 36.ab6 Rf4 37.Re2 Ng4 38.Kg2 h1Q! 39.Rh1 Rh1 40.Kh1 Nf2 41.Kg2 Nd3 42.Ra2 Rf2! 43.Rf2 Nf2 44.Kf2 Kg6 45.Kg3 Kg5 46.Kf3 Kh4 47.Kf2 Kg4 48.Ke3 Kg3 (48...Kg3 49.Ke2 Kf4–+) 0–1. Bezkorovainyy,Mykola (1610) – Hamann,Dirk (2085), Rostock op, 2008. (=1.c4 Nf6 2.Nc3 g6 3.b4 Bg7 4.Bb2 0–0 5.Nf3 d6 6.e3 e5)

7.d3 h6 A) 8.b5 A1) 8...Be6 9.d4 (9.Be2 Nbd7 10.0–0 a6 11.a4 Re8 12.d4 ab5 13.ab5= 0.09; 9.a4 Qe7 10.d4 ed4 11.Nd4 Nbd7 12.a5 a6 13.Be2= 0.09) 9...Nbd7 10.Be2 Re8 11.0–0 a6 12.d5 Bg4 13.e4= 0.16; A2) 8...Re8 9.Qd2 (9.d4 e4 10.Nd2 Bg4 11.Qc2 Qe7 12.Nd5 Nd5 13.cd5= 0.09; 9.Be2 a6 10.0–0 ab5 11.cb5 Be6 12.Qc2 Qd7 13.Rfc1= 0.09) 9...Be6 10.Be2 c6 11.0–0 cb5 12.Nb5 a6 13.Nc3= 0.13; A3) 8...a6 9.Be2 (9.d4 e4 10.Nd2 ab5 11.cb5 d5 12.Be2 Re8 13.0–0= –0.03; 9.ba6 Na6 10.Be2 Re8 11.0–0 Bg4 12.h3 Be6 13.Re1= 0.00) 9...ab5 10.cb5 c5 11.Qc2 Be6 12.0–0 Nd5 13.Nd5= 0.00; B) 8.Be2 B1) 8...Be6 9.Rb1 (9.a3 Nbd7 10.0–0 Nb6 11.Nd2 d5 12.c5 Nbd7 13.d4= 0.13; 9.0–0 a5 10.b5 Nbd7 11.Nd2 d5 12.Bf3 c6 13.Ba3= 0.06) 9...a5 10.b5 Nbd7 11.0–0 Qe7 12.d4 Nb6 13.Nd2= 0.19; B2) 8...Re8 9.a3 (9.0–0 a5 10.b5 Be6 11.d4 Nbd7 12.d5 Bg4 13.e4= 0.19; 9.Rb1 Na6 10.a3 c5 11.bc5 Nc5 12.0–0 Be6 13.d4= 0.22) 9...a5 10.b5 Be6 11.0–0 Nbd7 12.d4 Qe7 13.d5+= 0.38; B3) 8...a5 9.b5 Be6 10.0–0 Re8 11.d4 Nbd7 12.d5 Bg4 13.Nd2= 0.00.

7.d4 Nc6 8.a3 A) 8...Bg4 9.d5 (9.de5 Ne5 10.Be2 Bf3 11.gf3= –0.12) 9...Ne7 10.Bd3 c6 11.h3+= 0.34; B) 8...ed4 9.Nd4 Nd4 10.Qd4 a5 11.Nd5= –0.12.

7.d4 Nc6 8.b5 ed4 9.ed4 Ne7 10.Bd3 d5 11.0–0=.

7.d4 Nc6 8.de5 de5 +=.

7.d4 Nc6 8.de5 Ne5 9.Ne5 (9.Be2 a5 10.b5 Nfg4 11.Ne5= –0.12) 9...de5 10.Qd8 Rd8 11.Rd1= –0.06.

7.d4 Nbd7 8.Qb3 e4 9.Nd2 Re8 10.g3 Nf8 11.Bg2 Bf5 12.0–0 h5 13.h3 Qd7 14.Kh2 N8h7 15.Rae1 Ng5 16.h4 Ngh7 17.f3 ef3 18.Bf3 (worse is 18.Rf3 Ng4 19.Kh1 Bd4–/+) 18...Ng4 19.Bg4 Bg4 (19...hg4? 20.e4 Bd4 21.ef5 Re1 22.Re1 Qf5 23.Nce4 Bb2 24.Qb2+–) 20.e4 (20.Nd5!?=) 20...Bd4–/+ 21.Ne2 Be5 22.Nf3 Bg7 23.Bg7+= Kg7 24.Qc3 Kg8 25.Nf4 Re7 26.e5 Rae8 27.Nd5 Re6 28.Nd4?? Re5–+ 29.Re5 Re5 30.Qd2 c6 31.Nf4 Qe7 32.Nf3 Re4 33.Ng2 Rc4 34.a3 Re4 35.Rf2 d5 36.Ng1 Nf6 37.Nh3 Bh3 38.Kh3 Qe6 39.Kh2 Ng4 40.Kg1 Nf2 41.Qf2 Re3 42.Kh2?? Ra3–+ 43.Nf4 Qf5 44.Qe2 Qe4 45.Qb2 Re3 46.Qf6 Qe7 47.Qd4 a6 48.Nh3 Re2 49.Kg1 Qe3 (49...Qe3 50.Qe3 Re3–+) 0–1. lendzior (1665) – mistr111 (1790), kurnik, 2012.

7.d4 Nbd7 8.Bd3 ed4 9.Nd4 c5 =.

7.d4 Nbd7 8.d5 e4 9.Nd2 (9.Nd4 a5 10.a3 Ne5=) 9...Re8 (9...a5 10.Be2=+) 10.Qc2 (10.Be2 a5 11.a3 ab4 12.ab4 Ra1 13.Qa1 Qe7=) 10...Nf8 (10...a5 11.a3=+) 11.0–0–0 (11.Be2 a5=) 11...Bg4 (11...a5 12.b5 Bg4 13.f3 ef3 14.gf3=) 12.Re1 (12.f3 ef3 13.gf3 Bd7=) 12...c6 (12...a5 13.b5 Qe7 14.f3 ef3 15.gf3=) 13.h3 (13.Nde4 a5 14.dc6 Ne4 15.Ne4 bc6 16.Bg7 Kg7+=) 13...Bd7 (better is 13...Bf5!?=+) 14.dc6 bc6 15.Nce4 Ne4 16.Ne4 Bf5 17.Bd3 Bb2 18.Kb2 a5 19.g4 (19.b5 Rb8 20.a4 Qe7=) 19...Be4= 20.Be4 d5 (< 20...ab4 21.Bc6 Qf6 22.Kb1+–) 21.Bg2 Rb8 (21...ab4 22.cd5 cd5 23.Rc1–/+) 22.a3?? (better is 22.b5+=) 22...ab4–+ 23.a4 dc4 24.Qc4 Qf6 25.Kb1 (25.Kc1–+) 25...b3 (better is 25...Qf2!? 26.Qc6 Re3 27.Re3 Qe3–+) 26.Re2–/+ c5 27.g5 (27.a5!?–/+) 27...Qf5–+ 28.Kb2 (28.e4 Qg5 29.Rg1–+) 28...Nd7 (better is 28...Qe5!? 29.Qc3 Qg5–+) 29.a5 (better is 29.Rd1!?–/+) 29…Ne5 (30.Qh4 Qd3–+) 0–1. Andersson,Lars H – Droz, corr SWE–SUI, 1996.

7.d4 Qe7 8.b5 b6 9.Be2 Bg4 10.0–0 a5 11.de5 de5 12.Ne5! Be2 (12...Qe5 13.Bg4 Discovered attack) 13.Ne2 Ng4 14.Ng4 Bb2 15.Rb1 Bg7 16.h3 h5 17.Nh2 Nd7 18.Nf3 Nf6 19.Ned4 Qc5 20.Qc2 Rad8 21.Rbd1 Rd6 22.Nc6 Re8 23.Rd6 cd6 24.Nfd4 Ne4 25.Rd1 g5 26.g4 hg4 27.hg4 d5 28.Nf5 dc4 29.Rd5! (29.Ng7?! Kg7 30.a4 c3=) 29...Qf8 (29...Qd5 30.Nce7 Double attack (30.Nce7 Decoy)) 30.Qc4 Nc5 31.Ng3 Bf6 32.Rf5 Qd6 33.Nh5 Re4? (33...Nd7+–) 34.Nd4 (34.Nf6?! Qf6 35.Qe2 Qh6+–) 34...Nd7 (34...Rg4 35.Kf1 Ne4 36.Nf6 Nf6 37.Rf6 Rg1 38.Kg1 Qf6+–) 35.Qc8 (35.Qc8 Kh7 36.Qd7 Rg4 37.Kf1 Qd7 38.Nf6 Kh8 39.Nd7+–) 1–0. Gorbylyov – Akulov, BLR–ch disabled corr, 2000.

7.d4 Qe7 8.d5 a5+= 9.a3 Na6 10.Qb3 Nd7 (10...c6!?+=) 11.Be2+= (11.ba5 e4 12.Nd2 Nac5–/+) 11...f5 (11...Nf6 12.0–0+= (worse is 12.ba5 Nc5 13.Qb4 Nfd7–/+)) 12.c5 Nf6 (12...e4 13.Nd4 Ne5 14.cd6 cd6 15.0–0+=) 13.0–0+/– Kh8 (13...Rd8 14.cd6 Rd6 15.Nb5 Nd5 16.Rfd1+/–) 14.cd6 cd6 15.Na4 Qd8 16.b5 Nc7 17.Nb6 Rb8 (better is 17...a4 18.Qc4 Ra5+/–) 18.Bc3 (better is 18.Rac1!?+–) 18...Na8 (18...a4 19.Na4 Nfd5 20.Rfd1 Nc3 21.Nc3+= (worse is 21.Qc3 e4 22.Nd4 Ne6–/+)) 19.Na8 Ra8 20.a4 (20.Ng5 Ne4 21.Ne4 fe4+=) 20...b6= 21.Rac1 (21.Ng5 Qe7 22.Bc4 Bb7=) 21...Bb7+= 22.Rfd1 Ne4 (22...Rc8 23.Bc4+=) 23.Bb2 Nc5 24.Qa2 Rc8 (24...f4 25.ef4 Rf4 26.Bc4+=) 25.Nd2= Rc7 26.Nc4 Rcf7 (26...Rc8 27.Qa3=) 27.Ba3+= e4 28.Bb2 (better is 28.g3!?+=) 28...f4+= 29.Bd4? (better is 29.ef4!? Rf4 30.f3+=) 29...f3–+ 30.Bf1 (30.gf3 ef3 31.Bf1–+) 30...fg2 31.Bg2 Bd4 (worse is 31...Rf2 32.Rc2 R2f5 33.Rcd2 Bd4 34.Rd4–+) 32.Rd4 Rf2 33.Rc2 (33.Rd2 Nd3 34.Rf2 Rf2–+ (34...Nf2?! 35.Rf1 Nd3 36.Rf8 Qf8 37.Be4+=)) 33...R2f7 (33...R2f5 34.Kh1–+) 34.Rdd2 (34.Qa1 Kg8 35.Qe1 Rf5–+) 34...Qg5 35.Qa1 (35.Qb1 Bd5 36.Re2 Na4 37.Qa1 Kg8–+) 35...Kg8 36.Rf2 (36.Kh1 Nb3 37.Qe1 Nd2 38.Rd2–+) 36...Rf2 37.Rf2 Rf2 38.Kf2 Qd5 (38...Bd5 39.Qd4 Nd3 40.Kg1–+) 39.Nb6 (39.Qd4 Nd3 40.Kg1 Qf7–+) 39...Qd2 (better is 39...Nd3!? 40.Kg1 Qc5 41.Qa2 d5 42.Qd2 Qb6 43.h3–+) 40.Kg1 Qe3 41.Kh1 Nd3 (41...Nd3 42.Nc4 Qc5 43.Na5 Nf2 44.Kg1 Nh3 45.Kh1 Bd5–+) 0–1. Onkoud,Abdelaziz (2385) – Van Kampen,Robin (2630), Rabat MAR, 5th Blitz Marathon, 2014. (=1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.d4 0–0 5.e3 d6 6.b4 e5 7.Bb2 Qe7)

7.d4 Qe7 8.Be2!? =.

7.d4 Bf5 8.de5+= de5 9.Qd8 Rd8 10.Ne5 Nh5 11.Nd5 Nf6?? 12.Nc7+– 1–0. marcosramos (2360) – hbeni (1975), net–chess.com, 2007.

7.Be2 c5 8.b5 (8.bc5 e4 9.Nd4 dc5+=) 8...e4+= 9.Ng5 h6 10.Nh3 g5 11.Qc2 Bf5 12.f4 Bh3? (better is 12...ef3 13.Qf5 fe2 14.Ne2 Nbd7=) 13.gh3+– gf4 (13...Qd7 14.0–0–0 Qh3 15.Ne4 Ne4 16.Qe4 Bb2 17.Kb2+–) 14.Rg1 Re8 (14...Nbd7 15.Ne4 Ne5 16.ef4 Ne4 17.Rg7 (17.Qe4?! Ng6 18.Bg7 Qh4 19.Kd1 Kg7+–) 17...Kg7 18.Qe4 Qh4 19.Kd1+–) 15.Nd5 (better is 15.Ne4!? Re4 16.Rg7 Kg7 17.Qe4 fe3 18.de3+–) 15...Nbd7+/– 16.Nf4 (16.ef4 Kh8 17.Ne3 Rg8+–) 16...Ne5 17.0–0–0 d5? (better is 17...a6 18.ba6 Ra6+/–) 18.cd5 c4 (18...Qd6+–) 19.Nh5?? (better is 19.Kb1+–) 19...Nh5= 20.Bh5 (20.Qe4?? Nd3 21.Bd3 Re4 22.Be4 Qd6–+) 20...Qd5 21.Rdf1 Re7 22.Kd1 f6? (22...Kh8 23.Be2 Rc8 24.a4=) 23.Be2 (23.Rf6 Kh8 24.Rf5 Rf8 (24...Qb5? 25.Rg7 Kg7 26.Re5 Re5 27.Qe4+–) 25.Rf8 Bf8+–) 23...Rc8 (better is 23...Kh8!? 24.Rf5 Qb5=) 24.Rf6+– Kh7 25.Rf5 c3 26.Bc3 Rc3? (better is 26...Rec7 27.Kc1 Nd3 28.Bd3 Qd3 29.Qd3 ed3+–) 27.Qc3+– Qa2 28.Qc2 Qa1 29.Qc1 Qa5 30.Ke1 Rc7 (30...Nd3 31.Bd3 ed3+–) 31.Qb1 (better is 31.Rg7 Rg7 32.Re5 Qc7 33.Qc7 Rc7 34.Re4 Kg8+–) 31...Rc5 (31...Nf7 32.Qe4 Nd6+–) 32.Qe4 Kh8 ½–½. Djurisic,Dusan (1895) – Stojanovic,Mihailo M (1985), Beograd SER, City Team Ch, 2014.

7.Be2 Bf5 8.d3 Nc6 (8...a5 9.ba5 Nc6 10.0–0=) 9.b5 Ne7 10.e4 Bd7 11.0–0 Nh5 12.g3 (12.Qd2 Nf4=) 12...f5 13.ef5 (13.c5 dc5 14.Na4 c4 15.dc4 fe4 16.Ne5 Bh3+=) 13...Bf5 (13...Nf5 14.g4 Nd4 15.Nd4 (worse 15.gh5 Ne2 16.Ne2 Rf3–/+) 15...ed4 16.Nd5=+) 14.Nh4 (14.d4 c5 15.de5 de5=) 14...Bh3 15.Re1 Nf6 16.Bf1 (16.Bf3 g5 17.Ng2 Qc8=) 16...Bd7 (16...Bf1 17.Rf1 a6 18.Qb3=+) 17.Bg2= Bg4 (17...g5 18.Nf3 g4 19.Nh4=) 18.Qd2 Rb8 (18...Bc8 19.f4=) 19.Ne4 (19.f4 ef4 20.Qf4 a6=) 19...Ne4 20.de4 (20.Re4 Be6=) 20...Kh8 (20...Qe8 21.f4=+) 21.f4 ef4 22.Bg7 Kg7 23.Qd4 (23.gf4!? Nc8 24.Qc3 Kf7 25.Qg3+=) 23...Kg8=+ 24.Qa7? (24.e5 f3 25.Re3 fg2 26.Qg4 Nf5 27.Nf5 Rf5=) 24...g5 (better 24...f3 25.Bf3 Bf3 (25...Rf3?! 26.Nf3 Bf3 27.h3=) 26.Nf3 Rf3–+) 25.Nf5=+ Bf5 (25...Nf5 26.ef5 f3 27.h3 Rf5 28.Re3 fg2 29.hg4 Rf1 30.Rf1 gf1R 31.Kf1 Qf6 32.Ke2–/+) 26.ef5= Nf5 (26...Rf5? 27.Re7 f3 28.Bh3 Qe7 29.Qb8 (29.Bf5?! Rf8=) 29...Rf8 30.Qb7+–) 27.gf4 gf4 28.Bd5 (28.Bb7 Ne3 29.Kh1 Kh8=) 28...Kh8=+ 29.Qf2 (29.Bb7 Ne3 30.Rac1 Qh4=+) 29...Qg5 (29...Ne3 30.Kh1–/+) 30.Kh1=+ Qh6 31.Rg1 Rbe8 (31...Ne3 32.Rae1–/+) 32.Qb2 (32.Rae1 Re1 33.Re1 Ne3=+) 32...Re5 33.Rae1 Rfe8?? (33...Ne3 34.Bb7 Nc4 35.Qf2=+) 34.Rg4 (34.Re5 Re6 35.Re6 Nd4 36.Qd4 Qg7 37.Qg7) 34...Ne3–/+ 35.Re3? (better 35.Rgg1–/+) 35...fe3–+ 36.Qg2 (36.Qe2 Rf5 37.Rg2 Ref8 38.Qb2 Qf6 39.Qf6 R5f6–+) 36...Rd5 (36...Qf8!? 37.Qe2 Qf2 38.Rg2 Qe2 39.Re2–+) 37.Qd5 Qe6 (37...Qf6 38.Qd1 e2 39.Qe1–+) 38.Qd4 (38.Rg1 Qe4 39.Qe4 Re4–/+) 38...Qe5 39.Qd3?? (better 39.Qe5 Re5 40.Rg1–+) 39...e2 40.Rg1 0–1. Markzela (1855) – Stubenhocker13579 (2100), lichess.org, 2020.

7.e4 Nc6 8.Be2 (8.a3 Nd4=) 8...Nb4–/+ 9.0–0 Re8 10.h3 Na6 11.Nd5? (better 11.Qc2!?–/+) 11...Ne4–+ 12.Rb1 c6 13.Nc3 (13.Ne3 f5–+) 13...Nc3 14.Bc3 e4 15.Bg7? (15.Ne1–+) 15...ef3 (15...Kg7?! 16.Ne1–+) 16.Bd3 (16.Bf3 Kg7 17.d4–+) 16...fg2 17.Re1 Kg7 18.Re8 Qe8 19.a3 (19.Kg2 Nc5 20.Bf1 Ne4–+) 19...Bh3 20.Bc2 Qd7 21.Qf3 Re8 22.a4 (22.Kh2 Re5–+) 22...Qe6 23.Rb7 (23.Qc3 Kg8 24.d4–+) 23...Qe1 24.Kh2 Qh1 25.Kg3 g1Q 26.Kh4 (26.Qg2 Qhg2 27.Kh4 Q1f2) 26...g5 27.Kh5 Qf3 0–1. fishmooney (2115) – pierred (2795), net–chess.com, 2016.

7.g3 e4!? 8.Ng1 Nc6 –/+.

7.h3 a5 A) 8.ba5 A1) 8...Nbd7 9.d4 (9.d3 Ra5 10.Be2 Re8 11.0–0= –0.19) 9...Re8 10.Be2 ed4 11.Nd4= 0.00; A2) 8...Ra5 9.d4 (9.Be2 Nc6 10.0–0 e4 11.Ne1= –0.25) 9...ed4 10.Nd4 Nbd7 11.Be2= –0.19; A3) 8...Nc6 9.d3 (9.d4 ed4 10.Nd4 Nd4 11.Qd4=+ –0.34) 9...Re8 10.Be2 Ra5 11.0–0= –0.22; B) 8.b5 B1) 8...Be6 9.Ng5 (9.Be2 e4 10.Nd4 Nbd7 11.Qc2= 0.00) 9...Nbd7 10.Ne6 fe6 11.Be2= 0.03; B2) 8...Re8 9.d3 Bd7 10.Be2 c6 11.0–0+= 0.28; B3) 8...e4 9.Nd4 c5 10.Nc2 Be6 11.d3= –0.12.

7.h3 Nbd7 8.Qc2 A) 8...Nb6 9.Be2 (9.c5 Nbd5 10.Nd5 Nd5 11.a3= –0.09) 9...a5 10.b5 a4 11.a3= 0.00; B) 8...c5 9.b5 (9.a3 Qb6 10.bc5 Nc5 11.d4= 0.00) 9...Nb6 10.Be2 Be6 11.d3= 0.03; C) 8...a5 9.a3 (9.b5 Nc5 10.e4 a4 11.Be2=+ –0.50) 9...Nb6 10.e4 Qe7 11.Be2= –0.06.

7.h3 Nbd7 8.d3 A) 8...a5 9.b5 (9.a3 Nb6 10.Be2 Be6 11.0–0= –0.03) 9...Nb6 10.Be2 Re8 11.0–0= 0.03; B) 8...c5 9.bc5 (9.a3 Qb6 10.Be2 cb4 11.Na4= 0.00) 9...Nc5 10.Be2 Be6 11.0–0= 0.03; C) 8...Qe7 9.Be2 (9.g4 a5 10.b5 Nc5 11.Bg2= –0.06) 9...d5 10.Nd5 Nd5 11.cd5= –0.06.

7.h3 Nbd7 8.Bd3 A) 8...a6 9.a3 (9.0–0 Nb6 10.Qe2 Qe7 11.e4=+ –0.28) 9...Nb6 10.0–0 Be6 11.Qe2= –0.12; B) 8...Nb6 9.0–0 (9.Qe2 a5 10.b5 a4 11.a3=+ –0.31) 9...a5 10.a3 ab4 11.ab4= –0.19; C) 8...a5 9.a3 Nb6 10.0–0 Qe7 11.e4= –0.19.

7.h3 Nbd7 8.d4 e4 (8...c5 9.bc5 (9.Qb3 ed4 10.ed4 a5 11.bc5=+ –0.28) 9...ed4 10.ed4 (10.Qd4 dc5 11.Qh4=) 10...Re8 11.Be2= 0.00; 8...ed4 9.Nd4 (9.Qd4 a5 10.a3 Nb6 11.Qh4= –0.09) 9...c5 10.Nf3 a5 11.bc5= 0.06; 8...Re8 9.Be2 (9.a3 c5 10.de5 de5 11.e4= –0.12) 9...a5 10.a3 e4 11.Nd2= 0.19; 8...a5 9.b5 (9.a3 ab4 10.ab4 Ra1 11.Qa1= 0.00) 9...Qe7 10.Be2 Re8 11.0–0= 0.13) 9.Nd2= (9.Ng5 Re8 10.Qc2 Qe7 11.Nb5=+ –0.50) 9...Re8 10.Qc2 (10.g4 c5 11.g5= 0.09) 10...Qe7 (10...c5!?= 11.bc5= 0.13; 10...a5 11.b5+= 0.59) 11.g4+= h6 12.Bg2 Nb6 13.a3 c6 (13...Be6 14.d5 Bd7 15.Ra2+–) 14.c5+– dc5 15.bc5 Nbd5 16.Nce4 Ne4 17.Be4 (17.Ne4 Be6+–) 17...f5 (17...Qh4 18.Qb3+=) 18.Bd5 (18.gf5 gf5 19.Bf3 Qh4 20.Bd5 cd5+–) 18...cd5+= 19.0–0–0 (19.Qb3 Qf7+=) 19...b6= 20.Nb3 (20.Rdg1 bc5 21.Qc5 Rb8 22.Qe7 Re7=) 20...fg4 (20...Qf6!?=) 21.Qg6+= g3? (better 21...Rf8!? 22.hg4 Rf2=) 22.Qg3+– Bf5 23.Rhg1 Rac8 (better 23...Kh7+–) 24.Qe5 (better 24.Kd2!?+–) 24...Qe5+– 25.de5 bc5 26.Rd5 Be6 (26...Kh8 27.e6 Bb2 28.Kb2 Be6+–) 27.Rd6 (27.Rd7 Bd7 28.Rg7 Kg7 29.e6 Kf8 30.ed7 Rc6 31.de8R Ke8+–) 27...Bb3? (better 27...Kf8 28.Na5 Bh3+–) 28.Rd7+– Bf7 (28...Kf8 29.Rdg7 Re7 30.R7g6+–) 29.e6 (29.Ra7?! Re6+=) 29...Re6 (29...Be6 30.Ra7 Ra8 31.Rag7 Kf8+–) 30.Rg7 (30.Rg7 Kf8 31.Rdf7 Ke8 32.Ra7 Kf8 33.Rgf7 Ke8 34.Rh7 Re7 35.Rae7 Kf8 36.Bf6 c4 37.Rh8) 1–0. Novikov,Konstantin Ivan – Yudin,Dmitriy, Tula Club–ch op, 2000.

7.h3 Nbd7 8.e4 A) 8...a5 9.a3 (9.b5 Nc5 10.Qc2 Be6 11.Rd1= –0.25) 9...Nb6 10.c5 dc5 11.bc5= 0.00; B) 8...h6 9.Be2 (9.a3 Nb6 10.Qc2 Be6 11.Nd5= –0.03) 9...b6 10.0–0 Bb7 11.Qc2= 0.19; C) 8...Nb6 9.Be2 (9.Qb3 a5 10.ba5 Ra5 11.Be2=+ –0.28) 9...Be6 10.d3 a5 11.ba5= –0.12.

7.h3 e4 A) 8.Nh2 A1) 8...Re8 9.d3 (9.d4 ed3 10.Bd3 Nc6 11.b5=+ –0.56) 9...d5 10.d4 Be6 11.cd5=+ –0.28; A2) 8...c5 9.a3 (9.bc5 dc5 10.d3 ed3 11.Bd3=+ –0.28) 9...Nc6 10.b5 Ne5 11.g4=+ –0.28; A3) 8...Nc6 9.a3 (9.b5 Ne5 10.g4 Ned7 11.f3=+ –0.50) 9...a5 10.b5 Ne5 11.Qc2=+ –0.41; B) 8.Ng1 B1) 8...Nc6 9.a3 (9.b5 Ne5 10.g4 Ned7 11.f3=+ –0.53) 9...Bf5 10.g4 Be6 11.Qc2= –0.22; B2) 8...c5 9.bc5 (9.a3 Nc6 10.b5 Ne5 11.Qc2=+ –0.31) 9...dc5 10.d3 ed3 11.Bd3=+ –0.31; B3) 8...Re8 9.a3 (9.d3 ed3 10.Bd3 Nc6 11.a3=+ –0.59) 9...Nc6 10.Qc2 a5 11.b5=+ –0.44; C) 8.Nd4 C1) 8...Na6 9.Nc2 (9.b5 Nc5 10.d3 Qe7 11.de4= –0.06) 9...c5 10.a3 Be6 11.d3= 0.00; C2) 8...a5 9.ba5 (9.b5 c5 10.Nc2 Be6 11.d3= –0.12) 9...Ra5 10.d3 ed3 11.Bd3= 0.00; C3) 8...c5 9.bc5 (9.Nc2 Be6 10.d3 ed3 11.Bd3=+ –0.50) 9...dc5 10.Nb3 b6 11.d4= –0.22.

7.h3 Re8 A) 8.e4 A1) 8...Be6 9.Be2 (9.Ng5 Nc6 10.b5 Nd4 11.Ne6=+ –0.28) 9...a5 10.b5 a4 11.0–0= 0.09; A2) 8...Nc6 9.a3 (9.b5 Nd4 10.Bd3 Nh5 11.Nd5=+ –0.31) 9...a5 10.b5 Nd4 11.Bd3= –0.25; B) 8.d4 B1) 8...Nbd7 9.Be2 (9.a3 c5 10.de5 de5 11.e4= –0.12) 9...ed4 10.Nd4 c5 11.bc5= 0.00; B2) 8...Qe7 9.a3 (9.Be2 ed4 10.Qd4 c5 11.bc5= 0.00) 9...a5 10.b5 e4 11.Nd2= 0.16; B3) 8...ed4 9.Nd4 a5 10.b5 h6 11.Bd3= 0.00; C) 8.a3 C1) 8...a5 9.b5 (9.d4 ab4 10.ab4 Ra1 11.Ba1=+ –0.28) 9...Nbd7 10.Be2 e4 11.Nd4= 0.00; C2) 8...Nc6 9.d3 (9.b5 Nd4 10.d3 Nf3 11.Qf3= 0.00) 9...Be6 10.Be2 a6 11.0–0= 0.03; C3) 8...e4 9.Nd4 (9.Nh2 a5 10.b5 Be6 11.Qc2=+ –0.28) 9...a5 10.d3 ab4 11.ab4= –0.19; D) 8.Nd5 D1) 8...e4 9.Bf6 (9.Nf6 Bf6 10.Bf6 Qf6 11.Nd4=+ –0.41) 9...Bf6 10.Nf6 Qf6 11.Nd4=+ –0.41; D2) 8...Nd5 9.cd5 a5 10.b5 Nd7 11.Qc2=+ –0.28; D3) 8...c5 9.bc5 (9.Nf6 Bf6 10.bc5 dc5 11.e4=+ –0.47) 9...Nd5 10.cd5 e4 11.Bg7=+ –0.41; E) 8.d3 E1) 8...Nc6 9.a3 (9.b5 Ne7 10.Be2 a6 11.0–0= 0.00) 9...a5 10.b5 Na7 11.Be2+= 0.28; E2) 8...Na6 9.Qb3 (9.a3 c5 10.b5 Nc7 11.Be2= 0.00) 9...Bf5 10.Be2 c6 11.0–0= 0.13; E3) 8...c5 9.bc5 (9.a3 Na6 10.b5 Nc7 11.Be2= –0.09) 9...dc5 10.Be2 Nc6 11.0–0= 0.00.

7.d3 a5

8.a3 c6 9.Be2 Re8 10.0–0 Bf5 11.Qb3 Nbd7 12.h3 Qb6 13.Na4 Qc7 14.Rfc1 h6 15.Nc3 Qb6 16.Nd2 Be6 17.Bf3 Ra7 18.Na4 Qd8 19.b5 d5 20.cd5 cd5 21.Qc2 b6 22.Qd1 ½–½. Benko,Pal – Kochiyev,Alexander, Budapest, 1982.

8.ba5 Nc6 9.d4 =+.

8.b5 Nbd7 9.Be2 Nb6 10.0–0 Re8 11.a3 Qe7 12.e4 Bh6 13.Nd5 =.

8.b5 Nbd7 9.Be2 Re8 (9...Nb6 10.0–0 Re8 11.a3 Qe7 12.e4 Bh6 13.Nd5 7...a5) 10.Nd2 Nc5 11.Nb3 Ne6 12.a4 c6 13.0–0 d5 14.bc6 bc6 15.cd5 Nd5 16.Nd5 cd5 17.d4 e4 18.Bc3 f5 19.Qd2 f4 20.Nc5 (better is 20.Bb5!? Rf8 21.Bc6+=) 20...f3+= 21.gf3 ef3?? (better is 21...Nc5 22.dc5 Bh3–/+) 22.Bf3+/– Ng5 23.Bg2 Bh3 24.f4 Bg2 25.Kg2 Ne4 26.Ne4 Re4 27.Rf3 Ra6 28.Rb1 Rae6 29.Ba5 Qd7 30.Rb8 Re8 31.Re8 Re8 32.Qd3 Qa4 33.Be1 Qd7 34.Bf2 Qf5 35.Qf5+/– gf5 36.Rh3 h6 37.Rh5 Rf8 38.Kf3 Kh7 39.Be1 Kg6 40.Rh3 Rb8 41.Rg3 Kf7 42.Rg2 Rb3 43.Rd2 Bf6 44.Ke2 Be7 45.Rc2 Rb6 46.h3 Ra6 47.Rb2 Ke6 48.Kf3 Ra1 49.Rb6 Kd7 50.Rb7 Ke8 51.Bf2 Bd8 52.h4 Ra6 53.h5 Ra1 54.Rh7 Ra6 55.Rh8 Kd7 56.Rf8 Bf6 57.Rf7 Ke8 58.Rc7 Be7 59.Bg3 Rd6 60.Rb7 Rd7 61.Rb5 Kf7 62.Be1 Bf6 63.Bb4 Bd8 64.Bc5 Bf6 65.Rb6 Bg7 66.Bd6 1–0. Gelashvili,T (2595) – Perelshteyn,E (2530), Philadelphia Open, 2011.

8.b5 Nh5 9.Be2+= f5 10.0–0 Nd7 11.Re1 h6 12.a4 Nhf6 13.Qc2 g5 (13...Qe7 14.Rac1=) 14.h3 (14.d4 e4 15.Nd2 Qe7+–) 14...Qe8= 15.e4 (15.d4 g4 16.Nh4 gh3 17.gh3 Nb6+=) 15...f4 (better 15...g4!? 16.hg4 fg4=) 16.d4 Qg6 (16...ed4 17.Nd5 Nd5 18.ed5+=) 17.de5 (17.Bd3+–) 17...de5 (better 17...Ne5!? 18.Ne5 de5+–) 18.Nd5+– Nd5 19.cd5 h5 (19...Rf7 20.Rac1+–) 20.Qc7 Re8 21.d6 (21.Rad1 Bf6+–) 21...g4 (21...Kh8 22.Rad1+–) 22.hg4 hg4 23.Qc4 (better 23.Nh4!? Qh5 24.Nf5 Kf8+–) 23...Kh7 24.Nh4 Qg5 (24...Qd6 25.Bg4 Nb6 26.Qe2+–) 25.Nf5 Nf6 26.Ng7 Kg7 Black launches an attack 27.Qc7 Bd7 28.b6 (28.Bd3 g3 29.Qb6 Rh8+=) 28...g3?? (28...Qh5 29.Ra3 f3 30.Rf3 gf3 31.Bf3 Qh7–/+) 29.fg3+– (29.Qb7 Rh8 30.fg3 fg3–/+) 29...fg3 The mate threat is Qe3. 30.Bb5 (30.Bc1 Qh4 31.Be3 Rab8–/+) 30...Rad8 (30...Qd2 31.Qc5 Qb2 32.Rab1–+) 31.Bd7 (31.Ba3 Qh6 32.Bd7 Nd7 33.Bc1 Qh2 34.Kf1–+) 31...Rd7=+ 32.Qc1? (32.Qc5 Qh5 33.Qe3 Qh2 34.Kf1–+) 32...Qh4–+ 33.Qd2 (33.Qc5 Ng4 34.Kf1 Rf8 35.Ke2 Rf2 36.Kd3 Rb2 37.Kc3 Rg2 38.Rad1–+) 33...Rf7 34.Bc1 Qh2 35.Kf1 Ne4 36.Ke2 Rf2 37.Kd3 Nd2 38.Bd2 Qh7 (38...Qg2 39.Bh6 Kg6 40.Rac1 Qd5 41.Ke3 Qf3) 39.Ke3 Qh6 40.Kd3 Qd2 41.Kc4 Qd4 42.Kb3 (42.Kb5 Qd5) 42...Rb2 (42...Qd3) 43.Ka3 Qb4 (43...Qc3) 0–1. Markzela (1760) – David_Temirkanov (2385), lichess.org, 2020.

7.d3 Nbd7

8.Qb3 Re8 9.Be2 b6 10.0–0 Bb7 11.Nd2 c6 12.Bf3 Qe7 13.a4 a5 14.Ba3 ab4 15.Bb4 Ra7 16.Ba3 h5 17.h3 Nh7? (better is 17...Rea8!?=) 18.Nde4+/– c5 19.Nb5 Be4 20.Be4 (20.Na7?! Bf3 21.gf3 Qh4=) 20...Ra5 21.Bb2 Ndf6 22.Bc3 Ra6 23.Bf3 Ng5 24.Be2 Qd7 25.h4 Ne6 26.Qb2 Ng4 27.Bf3 Qe7 28.g3 g5 29.hg5 Ng5 30.Bg2 Kh7 31.Qe2 f5 32.f3 Nh6 33.Rfe1 Ne6 34.f4 h4 35.Qh5 hg3 36.Bd5 Rc8 37.Qh1 Ra5 38.Ba5+– ba5 39.Ra2 Bf6 40.Rg2 Rg8 41.Nc7 Rg4 42.Ne6 Rh4 43.Qh4 Bh4 44.Rb2 Qe8 45.Rb7 Kg6 46.Rg7 Kf6= 47.Rh7 Kg6 48.Rg7 Kf6 49.fe5 de5 50.Rh7 Bg5 51.Nc5 Kg6 52.Ra7 Qb8 53.Rb7 Qh8 54.Rb6 Bf6 55.Bg2 Ng4 56.Nd7 Kg5 57.Nf6 Nf6 58.c5 Ng4 59.c6 Qd8 60.Rbb1= f4 61.Rbc1 Ne3 62.c7 Qd4 63.Re2 Ng2 64.Kh1 f3 65.Re5 Qe5 66.c8Q Nf4 67.Qd8 Kg4 68.Qd7 Qf5 69.Qg7 Qg5 70.Qd7 Qf5 71.Qg7 Qg5 72.Qd7 Kh4 73.Qh7 Qh5 74.Qg7 f2 75.Qg3 Kg3 0–1. Fries Nielsen,Niels Jorgen (2345) – Hoi,Carsten (2415), Esbjerg, 1981.

8.Qc2 a5 9.a3 b6 10.Be2 Re8 11.0–0 Bb7 12.Nd2 d5 13.cd5 Nd5 14.Nd5 Bd5 15.Rfc1 Ra7 (15...c5 16.b5=) 16.ba5+= ba5 17.h3 Re6 18.a4 Rc6 19.Qd1 Rc1 20.Rc1 Rb7 (20...Nb6 21.Qc2=) 21.Ba1 Qb8 (21...h6 22.Nc4=) 22.Bg4+= f5 23.Bf3 Bf3 24.Qf3 c5 25.Qd5 (25.Qd5 Kh8 26.Bc3+/–) 1–0. Woelfelschneider,Peter – Guenther, 2009.

8.Be2 a5 9.a3 c6 10.b5 Re8 11.0–0 Qe7 12.Rb1 Nc5 13.d4+=.

8.Be2 a5 9.ba5 Re8 10.0–0=.

8.Be2 a5 9.b5 Nb6 10.0–0 a4 11.a3 Re8 12.d4 Qe7 13.Rc1=.

8.Be2 a6 9.Qc2 (9.a3 Re8 10.0–0 a5 11.d4 ed4 12.Nd4 Ne5 13.Nd5= 0.22; 9.0–0 Re8 10.a3 Nb6 11.d4 ed4 12.Nd4 c5 13.Nb3= 0.06) 9...a5 10.b5 Nb6 11.0–0 a4 12.a3 Qe7 13.Rac1= 0.25.

8.Be2 b6 9.Qc2 c5 10.a3 Bb7 11.0–0 d5 12.cd5 Nd5 13.Nd5 Bd5 14.e4 Bc6 15.a4 Re8 16.b5 Bb7 17.Qc4 (17.a5 ba5 18.Bc3 a6+=) 17...a6= 18.Ng5?? (18.Rfb1 ab5 19.Qb5 Ra5=) 18...Re7 (better 18...Qg5 19.a5 Reb8–+) 19.f4 h6 (19...ef4 20.Bg7 Kg7 21.Rf4=+) 20.Nf3 (better 20.Nf7!? Rf7 21.fe5 Ne5 22.Be5+–) 20...ab5 21.ab5 Ra1 22.Ba1 ef4 23.Nh4 (23.Bg7 Kg7 24.Qc1 f5 25.Qf4 fe4 26.de4 Re4=+) 23...Ne5 (better 23...Ba1!? 24.Ra1 Ne5–/+) 24.Be5= Be5 (24...Re5!? 25.Ng6 Bd5 26.ed5 fg6=+) 25.Ng6+= Qd4 26.Kh1 Re6 27.Ne5 Qe5 28.Bg4 Rd6 29.Bf5 (29.Qc2 Rd4+=) 29...Rd4 (29...Qd4 30.Qc1 Qe3 31.Qd1 Rd3 32.Qh5=) 30.Qb3 Rb4 31.Qa3 Rb5 32.Qc1 Rb2 33.Rf4 (33.Rf4 Qf4!! 34.Qe1–+ (34.Qf4?? Rb1 35.Qf1 Rf1)) 1–0. GuestMMBV – Guestipe, freechess.org, 2017.

8.Be2 Qe7 9.0–0 c6 10.a4 Rd8 11.b5 Nc5 12.d4 Nce4 13.Ne4 Ne4 14.de5 de5 15.Qc2 Nc5 16.Nd2 Bh6 17.Rfd1 Bf5 18.Qc3 Qc7 19.Nf1 Bg7 20.Ng3 Rd1 21.Bd1 Be6 22.Be2 Rd8 23.a5 f5 24.Qb4 Nd3 25.Bd3 Rd3 26.b6 ab6 27.ab6 Qd6 28.c5 Qd5 29.e4 Qb3 30.Qb3 Rb3 31.Ba3 Bf8 32.Kf1 Rc3 33.ef5 gf5 34.Ke2 Rc2 35.Ke1 Kf7 36.Ne2 Bc4 37.Nc1 Bh6 38.Rb1 e4 39.Nb3?? Re2 40.Kd1 Rf2 41.Na5 Bd3 (42.Bb4 e3 43.Kc1 Bg7 44.Kd1 Rf1 45.Be1 Bc3 46.Nb7 Re1#) 0–1. Walter,Mario (1885) – Schulz,Hans_Juergen (2145), RSX9E – A00 – Sokolsky–2, 2004.

8.Be2 Re8 9.a3 (9.0–0 a5 10.a3 Nb6 11.e4 Bg4 12.Ng5 Bc8 13.Qd2= 0.16; 9.e4 c6 10.0–0 d5 11.ed5 cd5 12.Nb5 Re7 13.a3= 0.09) 9...Nb6 10.0–0 a5 11.b5 Qe7 12.Nd2 Be6 13.Bf3= 0.19.

8.Be2 Nh5 9.g4 (9.0–0 a5+=) 9...Nhf6= 10.g5 Ne8 11.Kd2 (11.d4 ed4 12.ed4 f6=) 11...c6 (11...a5 12.ba5 f6 13.Ne4=+) 12.h4 (better is 12.d4=) 12...h5 (better is 12...Qb6=+) 13.gh6+/– Bh6 14.Qg1 (14.h5 gh5 15.Qg1 Bg7 16.Rh5 Nef6+/–) 14...Ndf6 15.h5 Kh7?? (15...Kg7!?+/–) 16.Ng5 (better is 16.hg6 fg6 17.Qg5 Ne4 18.Ne4 (< 18.de4 Qg5 19.Ng5 Kg7+–) 18...Qg5 19.Nfg5 (< 19.Neg5 Kg7 20.Ne4 Bg4 21.Ne5 Be3 22.Ke3 de5 23.Bg4 Nf6 24.Be5 Rae8+–) 19...Kg7 20.Nf3+–) 16...Kg7 17.Nf7! Kf7 (17...Rf7 18.Qg6) 18.Qg6 Ke7 19.Qh6 Be6 (19...Qb6 20.a3+–) 20.Rag1 Nc7 21.Rg7 Bf7 22.Qg6?? Ne6+/– 23.Rf7 Rf7 24.h6 Qh8 25.f4 Rg8 26.Qf5 Ng4 27.Qh5+/– Nf6 28.Qh4 Rg2 29.fe5 de5 30.Ne4 Kd7 31.Nf6 Qf6? 32.Qf6 Rf6 33.Be5 Rff2 34.h7 Re2 35.Kc1 Re3 36.h8Q (36...Re5 37.Qe5+–) 1–0. Johnston,R – Randel,D, Detroit–ch MI clsB, 1994.

7.d3 Re8

8.Qc2 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 Na6 12.b5 Nc5 13.Be2 Bf5 14.Nd2 e4 15.Nce4 Nfe4 (worse is 15...Nce4 16.Ne4 Ne4 17.Bg7 Kg7 18.de4 Be4 19.Qc3 Kg8 20.f3=) 16.Bg7 Nd2 17.Bb2 Ncb3 18.Qc3 f6 19.Bd1 Nc5 20.Bc2 (worse is 20.Kd2 Nd3 21.Bf3 Nf2+=) 20...Bd3 21.Bd3 Nde4 22.Be4 Re4 23.0–0 (worse is 23.Qf6 Qf6 24.Bf6 Rc4–/+) 23...Qe7 24.Ra1 (worse is 24.Qf6 Qf6 25.Bf6 Rc4+=) 24...Kf7 25.Qc2 Rg4 26.Ra7 (better is 26.Bd4!?+=) 26...Qe6+= 27.h3 Rc4 (27...Qc4?! 28.Qc4 Rc4 29.Ba3=) 28.Qd2 Ra4 29.Ra4 Na4 30.Bd4 b6 31.Qd1 Nc5 32.h4 h5 33.Qf3 Ne4 34.Qf4 Qf5 35.Qh6? (better is 35.Qf5 gf5 36.Kf1–+) 35...Qf2 36.Kh2 Qh4 37.Kg1 Qf2 38.Kh2 Ng5 (38...Ng5 39.Kh1 Qf1 40.Kh2 Qb5–+) 0–1. Koukoufikis,Alexandros (2250) – Georgiadis,Ioannis (2370), Aigialias op 1st, 2008. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0–0 5.c4 d6 6.Nc3 e5 7.d3 Re8)

8.Qc2 c6 9.Be2= Bf5 10.0–0 Nbd7 11.Ne4 Qe7 12.Ng3 Be6 13.Bc3 h6 14.a4 Rac8 15.Rfd1 h5 16.a5 a6 17.h3 Nf8 18.Ne4 d5 19.Nc5 d4 (19...N6d7!?+–) 20.ed4+– ed4 21.Nd4 (21.Bd4?! Bh3 22.gh3 Qe2 23.Qe2 Re2+–) 21...h4 (21...N6d7 22.Ncb3+–) 22.Bf3 Rcd8 23.Qb2 N8h7 (23...Bc8 24.Re1 Qd6 25.Ne2+–) 24.Re1 (better 24.Nde6 fe6 25.Qd2+–) 24...Bh6 (24...Ng5+–) 25.Nde6 fe6 26.Re6 Qf7 (26...Qe6 27.Ne6 Re6 28.b5+–) 27.Bf6 (27.Bf6 Re6 28.Bd8+–) 1–0. Janek – Ottone, internet, 2018.

8.Be2 a5 9.b5 Nbd7 10.0–0 Nc5 11.Rc1 e4 12.Ne1 Bf5 (12...ed3 13.Nd3 Nd3 14.Bd3=) 13.Ba1 (13.d4 Ncd7 14.a3+=) 13...h5 14.h3 b6 15.de4 Nfe4 16.Ne4 Be4 (16...Re4? 17.Bg7 Kg7 18.Bf3+–) 17.Bg7 ½–½. Hasangatin,Ramil (2485) – Mrva,Martin (2470), SVK–ch op–A Zvolen, 2008. (=1.Nf3 Nf6 2.c4 d6 3.Nc3 g6 4.b4 Bg7 5.Bb2 0–0 6.e3 e5 7.d3 Re8)

8.Be2 c5 =.

8.Be2 c6 9.0–0 d5 10.cd5 cd5 11.Rc1 a6 12.Na4 Nc6 13.a3 Re7 14.Rc2 Bd7 15.Nc5 Be8 16.Qa1 Qd6 17.Rfc1 Rd8 18.d4 e4 19.Ne5 Nb8 20.a4 Qb6 21.Ba3 Nfd7 22.Ned7 Bd7 23.b5! Ree8 24.ba6 ba6 25.Rb2 Qa7 26.Nb7 Rc8 27.Bc5 (27.Bc5 Qa8 28.Nd6+–) 1–0. Ostl,Andreas (2320) – Arnold,Lothar (2315), Baden–ch Eppingen, 1988.

8.Be2 c6 9.Rc1 Na6 (9...a5 10.b5=) 10.a3= Nc7 11.0–0 d5 (11...a5 12.Qd2=) 12.cd5 (12.Na4 e4 13.Nd4 ed3 14.Qd3 Qd6=) 12...Nfd5 13.Nd5 Nd5 14.d4 ed4 (14...e4!? 15.Ne5 a5+=) 15.Bd4= Bd4 16.Nd4 Be6 (16...Qg5 17.b5 Bh3 18.Bf3+/–) 17.Bf3 (17.b5 cb5 18.Bb5 Re7+=) 17...Nf6 (17...Qb6 18.Qa4+=) 18.b5+/– c5? (18...cb5 19.Nb5 Rb8 20.Na7+/–) 19.Rc5 (19.Ne6!? Re6 20.Bb7 Rd6+–) 19...Qb6+/– 20.Qc2 Rac8? (better is 20...Bd7!?+/–) 21.Ne6+– fe6?? (21...Qe6 22.Bb7 Rc5 23.Qc5 Qb6 24.Qb6 ab6+–) 22.Rc8 1–0. Khurtsidze,Nino (2465) – Ozkan,Ufuk (1715), Kocaeli TUR, Super League, 2014. (=1.Nf3 Nf6 2.c4 d6 3.Nc3 g6 4.b4 Bg7 5.Bb2 0–0 6.e3 e5 7.d3 Re8)

8.Be2 d5 9.cd5 (9.0–0 d4 10.ed4 ed4=) 9...Nd5 10.Nd5 Qd5 11.0–0 (11.d4 e4 12.Ne5 Be6=) 11...Nc6=+ 12.e4 (12.Bc3 Bg4 13.Ng5 Be2 14.Qe2 a5 15.ba5 Na5=+) 12...Qd6 13.b5 Nd8 14.a4 (14.Nd2 Ne6=+) 14...Bg4 (14...Ne6 15.g3=+) 15.Ba3 (15.Qc2 Ne6=) 15...Qb6 16.Qb3 (16.Ng5 Be2 17.Qe2 h6=) 16...Ne6 17.Rfc1 (17.Bc1 c5=+) 17...a6–/+ 18.Rcb1 (18.Bd1 Bf3 19.Bf3 Nd4–/+) 18...Bf3 (18...Nf4 19.Bd1 ab5 20.ab5–/+) 19.Bf3=+ Nd4 20.Qc4 ab5 21.ab5 Bf8 22.Bb2 Bc5 (22...Nf3 23.gf3 Ra1 24.Ba1 Bh6=+) 23.Bd4 (23.Bd1!?=+) 23...Bd4–/+ (23...ed4?! 24.Bd1+=) 24.Ra2 Ra5 (24...c6 25.Bd1 Ra2 26.Qa2 cb5 27.Bb3–/+) 25.Bd1 (25.Ra5 Qa5 26.Rd1 Re6–/+) 25...Re6 26.h3 (26.Qb3 Kg7–/+) 26...c6 27.Ra5 (27.Kh2 Ra2 28.Qa2 cb5–+) 27...Qa5 28.Bf3 (28.Bg4!? Rf6 29.bc6 Rf2 30.Kh1 (30.Rb7?? Qe1 31.Kh2 Rg2 32.Kg2 Qf2 33.Kh1 Qg1) 30...bc6 31.Qc6–+) 28...Qd2–+ 29.Rf1 (29.Kh2 Qf2 30.Qc1 c5–+) 29...cb5 30.Qb5 (30.Qc1 Bf2! 31.Kh2 Qc1 32.Rc1 b4–+) 30...Rb6 31.Qe8 Kg7 32.h4 (32.Qe7–+) 32...Rb1!! (32...Rb1 33.Qe5 Be5 34.Rb1 Bd4–+) 0–1. Emperado,Emmanuel (2230) – Senador,Emmanuel (2295), Philippine International Open, 2016.

8.Be2 Nbd7 9.Rb1 Nb6 10.0–0 a5 11.b5 a4 12.a3 h6 13.d4 =.

8.Be2 e4 9.de4 (9.Ne4 Ne4 10.Bg7 Nf2 11.Kf2 Kg7=+) 9...Ne4 (9...a5 10.b5 Ne4 11.Nd4=+) 10.Qc1 (10.Qb3 Nc3 11.Bc3 a5=+) 10...Nc6 (10...Bc3 11.Bc3 Nc6 12.0–0=) 11.0–0 (11.Ne4 Re4 12.0–0 Re8= (12...Nb4? 13.Bg7 Kg7 14.Qc3 Qf6 15.Qb4+–)) 11...Nc3 (11...Qf6 12.Nd1 Qe7 13.Bg7 Kg7 14.Nc3 Nc3 15.Qc3 Qf6 16.Qf6 Kf6 17.b5=) 12.Bc3= Bc3 (12...Bf5 13.c5=) 13.Qc3 a5 (13...Qe7 14.b5 Ne5 15.h3=) 14.b5 Ne5 15.h3 (15.Ne5 Re5 16.Rfd1 Be6+=) 15...Nd7 16.Rac1 (16.Qd4 Nc5=) 16...b6 (16...Nc5 17.Nd4=) 17.Nd4 (17.Nd2 Bb7=) 17...Bb7 18.Bf3 Bf3 19.gf3 (19.Nf3 Qf6=) 19...Qh4 (better 19...a4=+) 20.Kh2? (better 20.Kg2=+) 20...Re5–+ 21.Ne2 Rg5?? (21...Rh5!? 22.Ng1 Ne5 23.e4–+) 22.f4? (better 22.Ng3=) 22...Rh5–+ 23.Ng1 (better 23.e4 Re8 24.Qg3 Re4 25.Qh4 Rh4 26.Kg3–+) 23...g5 (better 23...Nc5–+) 24.fg5=+ Qg5 (24...Nc5 25.Qd4 Ne4 26.Rc2=+) 25.f4= Qf6 (25...Qh4 26.Rc2 Re8 27.Rg2 Kf8 28.Rf3=) 26.Qd4 (26.Ne2 Rh6=) 26...Re8=+ 27.Rce1 (27.Rf3 Qd4 28.ed4 Kf8=) 27...Rc5 (27...Qh4 28.Re2=+) 28.Qd3 (28.Rc1 d5=+) 28...Qe6–/+ 29.Nf3 Qc4 30.Rg1 Kf8 31.Qh7 Qc2 (worse 31...Rb5 32.Nd4 Rb2 33.Kg3 Re3 34.Re3 Qd4 35.Qh6 Qg7 36.Qg7 Kg7 37.Re2 Re2 38.Kf3 Kh6 39.Ke2+=; 31...Qb5? 32.Rg8 Ke7 33.Qe4 Ne5 34.Re8 Ke8 35.fe5 de5 36.Kg3+–; 31...Qa2?! 32.Rg2 Qc4 33.Qh4=) 32.Qc2 Rc2 33.Rg2 Rc3 34.Rge2 Rc5 (34...Nc5!? 35.Nd4 Re4–/+) 35.Nd4= Nf6 36.Kg2 (36.Kg3 Ne4 37.Kf3 Kg7=) 36...Nd5 37.Kf3 Nc3 (37...Ke7 38.h4=) 38.Rb2 (38.Rc2 a4=) 38...Nd5 (38...Ke7 39.h4=) 39.Rb3 (39.h4 Rc4 40.Ree2 Kg7=) 39...Rc4 (39...Ke7 40.h4=) 40.Rd1 Nf6 (40...Rc5 41.Rbd3 Nb4 42.R3d2=) 41.Rdd3 (41.h4 Rc5=) 41...Ne4 (41...Rc5 42.Rb2=) 42.Rb2 Nc5 (42...Rc1 43.Rc2 Rb1 44.h4=) 43.Ra3 (43.Rdd2 Rc1=) 43...Rc1 44.Rc2 (44.Nf5 Rf1 45.Kg2 Rd1=) 44...Rh1=+ 45.Kg2 Rd1 46.Rac3 (46.Kf3 Ke7=+) 46...Kg7 (better 46...Ke7=+) 47.Nb3? (47.Kf3 Rf1 48.Kg2 Ra1=+) 47...f5 (better 47...Nd3–+) 48.Rd2=+ Rb1 49.Nc5 (49.Rd5!?=+) 49...bc5–/+ 50.a4 (50.Rb3 Rb3 51.ab3 Re3–/+) 50...Kf6 (50...Kf7 51.Kg3–/+) 51.Kf3 (51.Ra3–/+) 51...Rh1 (51...Rh8 52.Kg2 Ke6–/+) 52.b6? (better 52.Kg2 Ra1 53.b6=) 52...Rh3–/+ 53.Kg2 Rh7 (better 53...Reh8 54.Rdd3 Ke6 55.bc7 Rh2 56.Kg1 R2h7–/+) 54.bc7= Rg8 55.Kf1 Rh1 (55...Ke7 56.Rb3 Kd7 57.Rb6 Rh1 58.Ke2 Rg2 59.Kd3 Kc7 60.Ra6 Rd2 61.Kd2=) 56.Ke2 Rh2 57.Kd3 (57.Kd1 Rd2 58.Kd2 Rc8=) 57...Rd2 58.Kd2 Rc8 (58...Ke6 59.Rb3 Kd7 60.Rb6=) 59.Rb3 Rc7 60.Rb5 Ra7 61.Kc3 (61.Kd3 Ke6=) 61...Ke6 62.Kc4 Ra8 63.Rb6 (63.Rb7 Rg8=) 63...Rh8 64.Ra6 (64.Rb5 Rh3 65.Rb8 Kd7=) 64...Rh3 65.Kd3 (65.Ra5? Re3 66.Kb5 Kd5–+) 65...Kd5 (65...Rh1 66.Ra5 Kd5 67.Ra8=) 66.Ra5 Rh1 67.Ra8 Ra1 68.Rf8 (68.a5 c4 69.Ke2 Ra2 70.Kf3 Ke6=) 68...Ra3 (68...c4 69.Kc3=) 69.Ke2 (69.Kd2 Ke4 70.Re8 Kf3=) 69...Ra4=+ 70.Rf5 Ke4 71.Rf6 Ra2 72.Kd1 (72.Ke1 d5 (72...Ke3?! 73.Rd6 c4 74.Kd1=) 73.Rd6 c4–+) 72...d5=+ 73.Rd6 d4 (73...c4 74.Rd8=+) 74.ed4= c4 75.Rh6 Kd4 76.Rh3 (76.f5 Rf2=) 76...Rf2 77.Kc1 (77.Ke1 Rf4 78.Kd2 Rf2 79.Kc1 Re2=) 77...Rf4 (77...Kc5 78.Rh7=) 78.Rg3 (78.Kc2 Rf2 79.Kc1 Re2=) 78...Rf2 79.Rh3 (79.Rg4 Kc3 80.Rg3 Kb4=) 79...Kc5 (79...c3 80.Rh7=) 80.Rg3 (80.Rc3 Kb4 81.Rc2 Rf3=) 80...Kb4 81.Rh3 ½–½. Emperado,Emmanuel (2230) – Abelgas,Roel (2290), Philippine International Open, 2016.

8.e4 a5 9.b5 =.

8.e4 Nc6 9.b5 Nd4 (9...Ne7 10.Be2=) 10.Nd4 ed4 11.Ne2 c5 12.bc6 bc6 13.Bd4 (< 13.Nd4 c5 14.Ne2 Ne4 15.de4 Bb2–/+) 13...d5 (13...c5 14.Bc3=) 14.cd5+= cd5 15.f3 de4 16.de4 Ne4 (16...Ba6!? 17.Bc3 Qe7+=) 17.fe4+/– Qh4 18.Bf2 Qe4 19.Rc1 Ba6 (20.Rc7 Bc4=+). Sternik,Ryszard – Nemec,Zdenek, corr b4/03/15, 2003.

7.d4 ed4

8.ed4 c5 9.dc5 dc5 10.Qd8 Rd8 11.b5 b6 12.Be2 Ne4 13.Ne4 Bb2 14.Rd1 Rd1 15.Kd1 Kf8 (15...a6!? 16.Nd6 Bd7=) 16.Kc2 Bg7 17.Nfg5 Nd7 (better is 17...a6!? 18.Nh7 Ke7 19.ba6 Na6=) 18.Nd6+/– Ke7 (18...Ne5!? 19.Nh7 Ke7 20.Nc8 Rc8+/–) 19.Bf3+– (worse is 19.Ngf7 Ne5 20.Ne5 Be5+/–; 19.Ndf7?! h6 20.Re1 hg5 21.Bf3 Kf7 22.Ba8 Ne5=; 19.Nc8?! Rc8 20.Re1 h6 21.Bg4 Kf8 22.Bd7 Rd8 23.Nf7 Rd7+=) 19...Rb8 20.Ndf7 (20.Ngf7 Ne5 21.Re1 Be6+–) 20...Nf6 (better is 20...h6!? 21.Re1 Kf8+/–) 21.Re1+– Kf8 22.Nd6 Bd7 23.Bc6 Rd8 (23...Bg4 24.f3 h6 25.Ngf7 Bf5 26.Nf5 gf5 27.Nd6+–) 24.Bd7 Rd7 25.Nh7 Kg8 26.Nf6 Bf6 27.Re6 Be7 28.Nc8 Bf8 29.Rg6 Kf7 30.Rc6 Ke8 31.g3 (31.a3 Rf7 32.f3 Rd7+–) 31...Kd8 (31...Rd4 32.Kc3 Bg7 33.a4+–) 32.h4 Rf7 33.f4 Rg7 34.f5 Rg3 35.Na7 Ra3 36.Nc8 Ra2 37.Kd3 Rh2 38.Nb6 Rh4 (38...Ke8 39.Rc8 Kf7 40.Rc7 Kg8 41.Nd7+–) 39.Rc8 Ke7 40.Nd5 Kf7 41.Rc7 Ke8 42.b6 Rh3 (42...Rd4 43.Kc3 Rd5 44.cd5+–) 43.Ke4 (43.Kc2 Rh2 44.Kb3 Rh1+–) 43...Rh4 (43...Bd6 44.Nf6 Kf8+–) 44.Ke5 Rh1 45.b7 Rb1 (45...Re1 46.Kf6 Rb1+–) 46.Nf6 (46.Nf6 Kd8 47.Rd7) 1–0. Diaz Hollemaert,Nahuel (2410) – Lemos,Damian (2230), Ricardo Bosco Memorial, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 d6 6.d4 e5 7.Nc3 ed4)

8.ed4 Nc6 9.b5 Na5 (9...Re8 10.Be2 Na5 11.0–0=+) 10.Be2 a6 (10...Nd7 11.Nd5=) 11.0–0 ab5 12.cb5 Re8 13.Re1 (13.Bd3 Be6=+) 13...Be6 14.Bd3 Qd7 15.Qc2 Nd5 16.Nd5 Bd5 17.Re8 Re8 18.Re1 c5 (18...Re1 19.Ne1 Bf6 20.Nf3=+) 19.bc6 (19.bc6 Re1 20.Ne1 Qc6 21.Bc3=+). Domingo,Jordi (2015) – Carrizo,Jose (2130), FICGS, 2013.

8.ed4 d5+= 9.Be2 dc4 10.0–0 Be6 11.Qd2 (11.Ne5 Re8+=) 11...Nbd7 (11...Qd6 12.a3–/+) 12.a4 (12.Ng5 Nb6–/+) 12...c6–/+ 13.b5 Qc7 14.Rfe1 (14.Rfd1 Rad8–/+) 14...Rfe8 15.Ng5 (15.Rad1 Rac8–/+) 15...Bd5 16.f3 (16.bc6 bc6 17.Rab1 Rab8–/+) 16...cb5 (16...a6 17.ba6 Ra6 18.a5–/+) 17.Nb5 (17.ab5 a6–/+) 17...Qc6 18.Ba3 h6 19.Nh3 Nb6 (19...a6 20.Nc3–/+) 20.Rec1 Na4 (20...Be6 21.Nf4–/+) 21.Nd6 Re2! 22.Qe2 b5 23.Nf4 Rd8 24.Rab1–/+ Rd6 25.Bd6 Qd6 26.Qe5 Qe5 27.de5 Bc6 28.ef6 Bf6 29.Ne2 a6 30.Kf2 Bd7 31.Ng3 Bb2 32.Rc2–/+ c3 33.Ke3 Be6 34.Ne4 b4 35.Kd3 Kf8 36.Re1 Bb3 37.Rf2 a5 38.f4 Ba3 39.Rfe2 Nb6 40.Kd4 c2 41.Nc5 a4 42.Nd3 Nd5 43.Re8 Kg7 44.Rc8 h5 45.g3 h4! 46.gh4 Kh7 47.Rc6 Kh6 48.f5 Nc3 49.fg6 fg6 50.Ke3 Bd5 51.Rc7 Be6 52.Kd2 c1Q 53.Nc1+= Nb1 54.Ke3 Nc3= 55.Rb7 Bd5 56.Rb8 Bc6 57.Rh8 Kg7 58.Rc8 Bd7 59.Rc5 Kh6 60.Nd3 Bf5 61.Ra1 Ne4 62.Rc4 Nf6 63.Ra3! ba3 64.Ra4 Bd3 65.Kd3 Kh5 66.Ke3 ½–½. Zylla,Johannes (2225) – Gavrijski,Dimitar (2010), ICCF WSTT/3/06/2, 2006.

8.ed4 Qe7 9.Qe2 Qd7 10.Qd2 =.

8.ed4 Re8 9.Be2 Nc6 =+.

8.ed4 Bg4 9.Be2= Nc6 (9...d5 10.0–0=) 10.b5 Ne7 11.0–0 c6 (11...Re8 12.Re1=) 12.a4 (12.Re1 Re8+=) 12...Re8 13.h3 (13.Re1 d5=) 13...Bd7 (13...Bf3 14.Bf3 d5 15.Qd3=) 14.a5 (14.Re1 d5+=) 14...cb5 (14...d5 15.Ne5=) 15.Nb5+= Bc6 (15...Ne4 16.a6 Qb6 17.ab7 Qb7 18.Nd2 Nd2 19.Qd2=) 16.Re1 (16.a6 b6+=) 16...Nf5 (16...d5 17.c5+=) 17.d5 Bb5 (17...Bd7 18.Qb3+=) 18.cb5 Rc8 19.a6 b6 (19...Qb6 20.Bd3+=) 20.Qb3 (20.Rc1 Rc5+=) 20...Qd7 (20...Nd5 21.Bg7 (< 21.Qd5 Bb2 22.Ra2 Rc5–/+) 21...Nf4 22.Bc4 Kg7 23.Bf7+=) 21.Bc4 Rc7 (21...Ne4 22.Bg7 Kg7 23.Re2+=) 22.Re8+/– ½–½. Zylla,Johannes – Bertram,F, corr DFMM, 1993.

8.Qd4 Nc6 9.Qd2 Nb4 –/+.

8.Qd4 Nc6 9.Qd3 Nb4 –/+.

8.Nd4 Na6 9.a3 (9.b5 Nc5=+) 9...c5 10.bc5 dc5 11.Ndb5 Qa5 (11...Qb6 12.Be2=) 12.Qa4= Qb6 (12...Qa4 13.Na4 Bf5 14.Be2=) 13.Rd1 Bd7 14.Be2 (14.Qb3 Rfd8=) 14...Nc7 15.Qb3 Nb5 16.cb5 Be6 17.Bc4 Ng4 18.0–0 (18.Nd5 Qa5 19.Ke2=+) 18...Qc7 (18...Rad8!?=+) 19.g3= Qe5 20.Be6 fe6 (better is 20...Qe6!? 21.Nd5 c4=) 21.Rd7 (21.Na4!? Qh5 22.Qe6 Kh8 23.Bg7 Kg7 24.h4+/–) 21...Rf7+= 22.Rf7 Kf7 23.Qd1 Nf6 24.Qf3 Rd8 25.Qb7+/– Rd7 26.Qc6 Rd2 27.Ba1 Qf5 28.Na4+– Nd7 29.Bg7 Kg7+/– 30.Nc3 Ne5= 31.Qe4 Rc2 32.Qb7+= Kh6 33.Nd1 c4 34.f4= Nd3 35.Qf3 c3 36.g4=+ Qd5 37.e4 Qd4 38.Qe3?? Qe3–+ 39.Ne3 Re2 40.Rf3 Re3! (40...Re3 41.g5 Kh5 42.Re3 c2 43.Rd3 c1Q 44.Kf2 Qf4 45.Kg1 Qg5 46.Kf2 Qc5 47.Kg3 Qb5–+) 0–1. Koester,Roman (2100) – Krahe,Frank (2235), Oberliga Ost B, 2006.

8.Nd4 b6 9.Be2 Bb7 10.Bf3 Bf3 11.Qf3 Nbd7 12.Nc6 Qe8 13.Nb5 Rc8? (13...Ne5!? 14.Be5 de5 15.Nc7 e4 16.Ne8 ef3 17.Ne7 Kh8 18.Ng7 fg2+/–) 14.Nba7 Ne5?? (better is 14...Ra8 15.Nb5 Ne5 16.Be5 de5 17.Nc7 e4 18.Ne8 ef3 19.Ng7 fg2+/–) 15.Be5 de5 16.Nc8 e4 (16...Qe6 17.N8e7 Kh8 18.0–0+–) 17.N8e7 (better is 17.Qd1+–) 17...Kh8 18.Qe2 (better is 18.Qg3 Ng8 19.Qc7 Ba1 20.Nd5+–) 18...Nd5?? (18...Ng8 19.Nd4 Qe7+–) 19.Nd5 Ba1 20.0–0 Bg7 (20...Qc6 21.Ra1 Kg7 22.a4+–) 21.b5 f5 (21...Be5 22.c5! bc5 23.Qc4+–) 22.Rd1 (22.Nc7 Qd7 23.Nd5 Qb7+–) 22...Qf7 23.Qd2 (23.a4 Ra8 24.Qc2 Bf8+–) 23...g5 24.g3 h5 25.Qb4 h4 26.Qd2 Qh5 (26...Kh7 27.Qe2 Kh6 28.c5+–) 27.Re1 (better is 27.Nc7 Rf6+–) 27...f4 (27...h3 28.Qe2 Qf7+–) 28.ef4 gf4 29.Nf4 Qg4 (29...Qg5 30.Re4 Bf6 31.Qd7+–) 30.Qe3 (30.Re4 Bf6 31.Ne6 Qg6+–) 30...Bh6 (30...Re8 31.Nd5 hg3 32.hg3+–) 31.Kh1 (31.Ne5 Bf4 32.Qe4 Qf5 33.Ng6 Kg7 34.Nf8 Qe4 35.Re4 Bd6 36.Ne6 Kf6 37.gh4 Kf5+–) 31...h3 (31...Bf4 32.Qe4 Qg5+–) 32.Qd4 Kg8 (32...Kh7 33.Qe4 Qf5 34.Qe2+–) 33.Qe4 (better is 33.Ne7 Kf7 34.Qe4+–) 33...Bf4 34.gf4 (better is 34.Ne7 Kg7 35.Rg1+–) 34...Rf4 (34...Qg2 35.Qg2 hg2 36.Kg2 Rf4 37.Re8 Kg7+–) 35.Qd5 Kh7 36.Rg1 (better is 36.Re7 Kh6 37.Re6 Kg7 38.Qe5 Kg8 39.Rg6 Qg6 40.Ne7 Kh7 41.Ng6 Rf2 42.Qc7 Kh6 43.Qb6 Rf1 44.Qg1+–) 36...Rf2 (36...Qf3 37.Qf3 Rf3+–) 37.Rg4 1–0. Koerner,He (1860) – Wahner,Eberhard, Lichtenberger Sommer, 2015.

8.Nd4 Bd7 9.e4 Nc6 (9...c5!? 10.bc5 dc5–/+) 10.Nc6= Bc6 Black gets in control 11.Bd3 (11.f3!?=) 11...Ne4!–/+ 12.Be4 (12.Ne4 A pinning theme 12...Bb2) 12...Be4 13.0–0 Qh4 14.f3 (14.Qd2 Rfe8–/+) 14...Bf5 15.Re1? (15.Qd2!? Qc4 16.Nd5–/+) 15...Bd4 (15...Qc4 16.a3–+) 16.Kh1 Be5 Threatening mate... how? 17.h3? (17.g3 Bg3 18.Re2–+) 17...Bh3! (17...Qc4?! 18.a3–+) 18.Kg1 (18.gh3 Qh3) 18...Bd4 19.Qd4 Qd4 20.Kf1 (20.Kh1 Bf5 21.Rac1 a5–+) 20...Qc4 21.Ne2 Bf5 22.g4 (22.Rec1 Qb4 23.Bc3 Qh4–+) 22...Bd3 23.a3 Be2 24.Re2 Rfe8 25.Rae1 Re2 (25...Re2 26.Re2 Re8 27.Kg1 Re2 28.b5 Rb2 29.g5 Qc1) 0–1. keene2019 (1700) – timjrossell (1825), gameknot.com, 2020.

8.Nd4 Nbd7 9.Be2 a5 10.b5 Nc5 11.0–0 Re8 12.Bf3 Be6 13.Ne6 fe6 14.Na4 Nfd7 15.Nc5 Nc5 16.Bd4 Rb8 17.Qd2 b6 18.Bc6 Rf8 19.f4 Qe7 20.Rad1 Rbd8 21.Qc2 Nd7 22.g3 e5 23.Bb2 ef4 24.ef4 Bb2 25.Qb2 Qf6 26.Qd2 Nc5 27.Rde1 Kh8 28.Re3 Ne6 29.Rfe1 Nd4 30.Bd5 Rd7 31.Kg2 Nf5 32.Re6 Qg7 33.g4 Ne7 34.Bf3 Ng8 35.Re8 Rdf7 36.Rf8 Qf8 37.Kg3 Qg7 38.Bd5 Re7 39.Bg8 Kg8 40.Qd5 Kf8 41.Qa8 Kf7 42.Re7 Ke7 43.Qe4 Kf8 44.Qe6+/– Qc3 45.Kh4 Qd4 46.Kg5 Qc5 47.Kh6 Qf2 48.Kh7 Qa2 49.Kg6 Qc2 50.f5 (50.f5 Qf5 51.gf5 a4 52.Qf7#) 1–0. Kaenel,Hansjuerg (2325) – Foisor,Cristina Adela B (2350), Zweisimmen, 1993.

8.Nd4 Nbd7 9.Nf3 a6 (9...a5!? 10.a3 Ne4+=) 10.Be2= Ne5 11.Ne5 de5 12.0–0 Qd1 (12...Qe7 13.Qb3=) 13.Rfd1 Bf5 14.h3 (14.Nd5 Nd5 15.cd5 Rfd8=) 14...h5 (14...Rfd8 15.Nd5 Nd5 16.cd5=) 15.Nd5+= Nd5 16.Rd5 (16.cd5 a5 17.b5 a4+=) 16...c6 17.Rd2 (worse is 17.Re5 Rad8 18.Bd4 Be5 19.Be5 Rfe8–/+) 17...Rfe8 (17...Rfd8 18.Rad1 Rd2 19.Rd2=) 18.Rad1 Kf8 19.g4 hg4 20.Bg4 Bg4 21.hg4 Re7 (21...b5 22.a3=) 22.b5 (better is 22.e4+=) 22...Rc7?? (better is 22...ab5 23.cb5 Ra2 24.bc6 bc6 25.Be5 Rd2 26.Bg7 Kg7 27.Rd2 Rc7=) 23.b6 Rcc8 24.Rd7 Rab8 25.Ba3 Kg8?? (25...c5 26.Rc7 Ke8 27.Bc5 Bf6+–) 26.Bd6 Ra8 27.Rb7 Rd8 28.c5 Bf8 (28...e4 29.Rc7 Rab8 30.Kg2+–) 29.Rc7 Rac8 (29...f6+–) 30.Rc8 Rc8 31.b7 Rd8 32.b8Q Rb8 33.Bb8 Bc5 (33...f5 34.Rd8 Kf7 35.Bd6+–) 34.Be5 (34.Rd8 Kg7 35.Be5 f6 36.Rd7 Kg8 37.Bf6 Bb4+–) 34...Be7 (34...f6 35.Bf6 Ba3 36.Rd7+–) 35.Rd7 Kf8 36.Bd6 Bd6 37.Rd6 Ke7 (37...c5 38.Ra6 Ke7 39.Rc6+–) 38.Rc6 Kd7 39.Ra6 1–0. Iher,Mirjam – Bernstein,Olivia (1645), Durban RSA, World Ch U18 (g), 2014.

8.Nd4 Be6 9.Ne6 fe6 10.Qb3 Qe7 11.Bd3 Nbd7 12.f4 Kh8 13.0–0–0 e5 14.Ne4? (better is 14.Qc2!?=+) 14...Ne4 15.Be4 ef4 16.Bg7 Kg7 17.Qc3 Nf6 18.Bb7 Rab8 19.Bd5 Qe3 20.Qe3 fe3 21.b5? e2–+ 22.Rd2 Nd5 23.Rd5 Rf1 24.Rd1 ed1Q (24...ed1Q 25.Kb2 Rf2 26.Kc3 Qc2 27.Kd4 Qd2 28.Ke4 Re8#) 0–1. elsh1403 – jozefmck1010, kurnik, 2012.

8.Nd4 a5

9.a3 ab4 10.ab4 Ra1 11.Qa1 Na6 12.b5 Nc5 13.Be2 Re8 14.0–0 Bg4 15.Bg4 Ng4 16.Nd5 Ne5 (16...Qd7 17.Qa5 c6 18.bc6 bc6 19.Nb6 Qc7 20.h3 Ne5) 17.Qa2 Ncd3 (17...c6 18.Nb4 Qb6 19.Rd1 Ne4 20.f3 Nc5) 18.Ba3 (18.Bc3 c6 (18...c5 19.bc6 bc6 20.Nf4 Qg5) 19.Nf4 Nf4 (19...c5 20.Nde2 Nf4) 20.ef4 c5=+ –0.26 (20...Ng4=); 18.Qb3 Nb2 19.Qb2 c6 20.bc6 bc6) 18...c6=+ (18...c5 19.bc6 bc6 20.Nf4 Nf4) 19.bc6 bc6 20.Nf4 Nf4 21.ef4 Nd3 22.Nc6 Qa8 23.Qb3 Ne1 24.Bb4 Ng2 25.Qf3 Nf4 26.Ne7 Kf8 27.Qf4+/– Be5 28.Ng6! hg6 29.Bd6 Bd6 30.Qd6 Kg8 31.c5 Qf3 32.Qg3+/– Qd5 33.Rc1 Re5 34.c6+/– Qd2 35.Qc3?? Re1!!–+ 36.Re1 Qc3 37.Re8 Kg7 38.Rc8 Qc4 39.f3 Qa6 40.Rc7 Qb6 (40...Qb6 41.Kg2 Qc7–+) 0–1. Shcherbine,A (2260) – Della Morte,P (2280), ITT Vicente Lopez, Villa Martelli ARG, 2006.

9.a3 ab4 10.ab4 Ra1 11.Ba1 Na6 =.

9.b5 Nbd7 10.Be2 Nc5 11.0–0 a4 12.Ba3 Qe7 13.Rc1 Bd7 14.Bf3 Nfe4 15.Nd5 Qd8 16.Qc2 Re8 17.Rfe1 c6 18.bc6 bc6 19.Nb4 Qc7 20.Rcd1 Rad8 21.g3 f5 22.h4 h6 23.Ne2 Be6 24.Nd4 Bd7 25.Kg2 Rb8 26.Be4? fe4 27.Ne2 Bg4 28.Rd2 Bf3 29.Kh2 Bg4 30.Nd4 Rb6 31.Ne2 Reb8 32.Nd4? Rb4 33.Bb4 Rb4 34.Rb1 Rb1 35.Qb1 Bc8 36.f3 Qd7 37.Qf1 ef3 38.Qf3 Kh7 39.Kg1 d5 40.Ne2 Ne4 41.Rc2 0–1. Sviridov,Valentin – Baumgartner,Heinz, Havirov, 1968.

9.b5 Nbd7 10.Be2 Nc5 11.0–0 Be6 12.Nb3 =.

9.b5 Nbd7 10.Be2 Nc5 11.0–0 Re8 12.Qc2 Nce4 (12...Qe7 13.Nd5 Nd5 14.cd5=) 13.Rac1 Nc3 14.Bc3 Ne4 15.Ba1 (15.Qd3 Nc3 16.Qc3 Qh4=) 15...Qg5 (15...Qe7 16.Rfd1=) 16.Bf3 Nc5 17.Rfd1 Bg4 18.Bg4 Qg4 19.Nf3 Ba1 20.Ra1 Qe4 21.Rac1 Qc2 22.Rc2 Ne4 (22...Rad8 23.Rcd2=) 23.Nd4 f5 24.f3 Nc5 25.Kf2 b6 (25...h6 26.Rcd2=) 26.h4 (26.Rcd2 h6+=) 26...Re5 27.Nc6 Re6 28.Nd4 (28.Rcd2 Rae8 29.Re1 h6=) 28...Re5= 29.Nc6 (29.Re2 Rae8=) 29...Re6+= 30.Nd4 (30.Rcd2 Rae8 31.Re1 h6=) 30...Re5= ½–½. Melich,Jindrich (2190) – Mindl,Josef, CZE–chT2b, 1996.

9.b5 Nbd7 10.Be2 Ne5 11.0–0=.

9.b5 Re8 10.Bd3 =.

8.Nd4 c5

9.Nc2 cb4 10.Nb4 Qa5 11.Qb3 Na6 12.Na6+= ba6 13.Rc1 Ne4 14.Bd3 Nc5= 15.Qc2 Qb4 16.Ba1 Be6 17.0–0 Nd3–/+ 18.Qd3 Bc4 19.Qe4 f5 20.Qf4 g5 21.Qg5 Bf1 22.Qg7 Kg7 23.Nd5 Kf7 24.Nb4= Bb5 25.Nd5? Rfc8–/+ 26.Rb1 Rab8 27.Nf4 Bd3! 28.Re1 Rb1 29.Rb1 Bb1 30.h4 Ba2 31.Kh2 a5 32.Ne2 Rc2 33.Nd4 Rf2 34.Kg3 Rf1 35.Bc3 a4 36.Bb4 Ke7 37.Ba3 Bc4 38.h5 Kd7 39.h6 f4! 40.ef4 Rd1 41.Nf3 Rd3 42.Bb2 a3 43.Bg7 Bd5 0–1. Novikov,Konstantin Ivan (2215) – Chernikov,Oleg L (2420), RUS–ch Seniors, 2004.

9.Nc2 cb4 10.Nb4 Qb6 11.Qb3 Be6 12.Nd3 Rc8 13.Nf4 Nbd7 14.Ne6 fe6 15.Rb1 Qa5 16.Qa4 Qf5 17.Rd1 Nc5 18.Qa3 Ng4 19.Rd2 Rf8 20.Nd1 Bb2 21.Qb2 d5 22.f3 Ne5=+ 23.Qd4 b6 24.cd5+= Rad8 25.e4 Qg5 26.Qe3 Qh4 27.Nf2 ed5–/+ 28.Rd5? Rd5–+ 29.ed5 Qb4?? 30.Qd2=+ Qb1 31.Nd1? Rf3!–+ 32.Ke2?? Rd3 (32...Rd3 33.Qd3 Ned3–+) 0–1. Dupont,Gerhard – Walther,Joachim, corr DDR–ch M665, 1981.

9.Nc2 Nc6 =.

9.Nc2 Ne4 10.Ne4 Bb2 11.Rb1 Be5 12.f4 Bg7 (12...Bf5 13.Bd3 Bg7 14.0–0=) 13.Nd6+= (< 13.Qd6 Bf5 14.Bd3 Qd6 15.Nd6 Bd3–+) 13...cb4 14.Nc8 Bc3 15.Kf2 Qc8 16.Nb4 Rd8? (better is 16...Bb4 17.Rb4 Na6=) 17.Nd5+– Bg7?? (better is 17...Nc6 18.Qb3 Bg7 19.Qb7 Kf8+–) 18.Ne7 (18.Ne7 Kf8 19.Nc8 Rd1 20.Rd1+–) 1–0. marre – oppo02, internet, 2010.

9.Nc2 Bf5 10.Bd3 Bd3 11.Qd3 cb4 12.Nb4 Nbd7 13.0–0 Qa5 14.a3 Rfc8 15.Qd6 Rc4 16.Ncd5 Nd5 17.Bg7 Nb4 18.ab4 Qb4 19.Qd7 Kg7 20.Rab1 Qa4 21.Qb7 Rac8 22.Qb2 Kg8 23.Ra1 Qd7 24.Qf6 R8c6 25.Qe5 Qc7 26.Qc7 Rc7 27.Rfd1 R4c5 28.Kf1 a5 29.Ke2 Kg7 ½–½. Rudbeck,Joergen – Kiss,Attila (2320), corr DEN–HUN e–mail, 1999.

9.bc5 dc5

10.Nb3 Qb6 11.Bd3 Rd8 12.Qe2 a5 13.Rb1 Nc6 14.0–0 a4 15.Nc1 Nb4 16.a3 Nd3 17.Nd3 Qd6 18.Rfd1 Bf5 19.e4 Re8 20.f3 Be6 21.e5 Qd4 22.Nf2 Qh4 23.g3 Qc4 24.Qc4 Bc4 25.ef6 Bf6 26.Nce4 Bb2 27.Rb2 Re7 28.Nc5 Re3 29.Rb7 Ra3 30.f4 Rc3 31.Nfe4 Rc2 32.Nd7 a3 33.Ra1 a2 34.Nd6 Be6 35.Nf6 Kg7 36.Nfe4 Bd5 37.Rb5 Be4 38.Ne4 Re8 39.Rb4 Rec8 40.Rd4 Rc1 41.Rd1 Rd1 42.Rd1 Rc4 43.Ra1 ½–½. Bilsel,Sabahaddin – Dopper,Johan, corr TKM/A005, 2000.

10.Nb3 Qc7 11.Nb5= Qe7 (11...Qc6 12.Be2=) 12.Qd6+= Qd6 13.Nd6 b6 14.Be2 a5 15.Nc8 (15.0–0–0 Bg4 16.f3 Be6+=) 15...Rc8+= 16.Nd2 a4 (16...Nc6 17.0–0–0+=) 17.a3 Nc6 18.Rb1 Na5 19.0–0 Rd8 20.Bc3 (20.Rfd1 Nd7+=) 20...Ne8 21.Ba5 Ra5 22.Rfd1 Ra7 23.Ne4 (23.Rb6? Rad7 24.Bf3 Rd2 25.Rd2 Rd2–+) 23...Rd1 24.Bd1 f5 25.Ng5 h6 26.Nh3 Nd6 27.Bf3 Kh7 28.Bd5 Ra6 29.Nf4 Bc3 30.Ne6 Ba5 31.Nf8 (31.h3 Ra7+=) 31...Kg7 32.Nd7 Attacking the backward pawn on b6 32...Ne4 33.Be4 fe4 34.Nb8 (34.Rd1 Ra8+=) 34...Ra7= 35.Nc6 Rd7 36.Na5 ba5 37.h4 Rd3 38.Rb5 Ra3 39.Ra5 Kf6 40.Rc5 Rc3 41.g4 Ke6 (41...Ke7 42.Ra5 Rc4 43.Ra6=) 42.Rc6 Kd7? (better is 42...Kf7!?=) 43.Rg6+/– a3?? (better is 43...Kc7 44.Rh6 Kb7+–) 44.Ra6+– Kc7 (44...Ke7 45.Kg2+–) 45.Kg2 Kb7 46.Ra4 1–0. Novkovic,Milan (2370) – Becker,Matthias (2140), 2nd Bundesliga West, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 d6 6.d4 e5 7.Nc3 ed4 8.Nd4 c5 9.bc5 dc5)

10.Nb3 Qe7 11.Qf3 Nc6 12.Be2 (better is 12.Nd5!? Nd5 13.Bg7 (13.cd5? Bb2 14.dc6 Bc3 15.Ke2 Ba1 16.Na1 Qd6–+) 13...Kg7 14.cd5= (< 14.Qd5 Nb4 15.Qd2 Bf5=+)) 12...Bg4–/+ 13.Qf4 Be2 14.Ke2 Nh5 15.Qf3 Qh4 16.Rhc1? (better is 16.Nd2–/+) 16...Qc4–+ 17.Ke1 Ne5 18.Qe2 Nd3 (18...Nd3 19.Kf1 Nb2–+) 0–1. Doerr,Klaus – Mierswa,Christian, Baden–ch HT Ladenburg, 1992.

10.Ndb5 Qa5 11.Qa4 Qa4 12.Na4 Bd7? (better is 12...Na6=) 13.Nc5+– Bb5 14.cb5 Nfd7? (better is 14...b6!? 15.Na4 Rd8+–) 15.Bg7 Kg7 16.Nb7 Nb6 17.Be2 a6 18.ba6 Ra6? 19.Ba6 (19.Ba6 Na6 20.Ke2+–) 1–0. Fredek (2090) – Guest867864, Freundschaftspartie, 5m + 0s, 2005.

10.Ndb5 Nc6 11.Be2 Be6 12.0–0 Nd7 13.Qc1 a6 14.Nd6 Qc7 15.Rd1 Rad8 16.Nde4 Qe5 (16...Rfe8!?=) 17.f4+= Qb8 18.Nd5 f6 19.Bc3 b5 20.cb5 ab5 21.a3 (21.Rb1 Bd5 22.Rd5 Ne7+/–) 21...Rde8+= 22.Nd6 Nd4 23.Bd4 Qd6 24.Nf6! Nf6 25.Bf6+– Qd1 26.Qd1 Bf6 27.Rb1 Bf5 28.Qd5 Kh8 29.Rb5 Re3 30.Qc5 Rfe8 31.Bf1 Re1 32.Qd6 R1e6 33.Qb4 Kg7 34.Rb7 Kh6 35.Qd2 Rd8 36.Rd7 Rd7 37.Qd7 Re4 38.Qd2 Bd4 39.Kh1 Be3 40.Qd1 Rf4 41.h3 ½–½. Ledger,Andrew – Hebden,Mark, Isle of Man, 1997. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.c4 0–0 6.e3 e5 7.Nc3 ed4 8.Nd4).

10.Ndb5 Bd7 11.Qb3 b6 12.Rd1 a6 13.Na3 Nc6 14.Be2 Re8 15.0–0 Qc7 16.Nd5 Nd5 17.cd5 Nd4 18.Bd4 cd4 19.Nc2 de3 20.d6 Qc5 21.Ne3 b5 22.Rd5 Qb6 23.Rd2 Qa5 24.Rfd1 Rac8 25.Nd5 Rc1 26.Bf1 Rd1 27.Rd1 Bg4 28.Rd3 Qe1 29.Ne7 Kf8 30.Qc2 Bf6 31.h3 Be6 32.Nd5 Bd5 33.Rd5 Qe6 34.Rd1 Rd8 35.d7 Rd7 36.Qc8 Ke7 37.Rd7 Qd7 38.Qa6 b4 39.Bc4 ½–½. Woelfelschneider,Peter – Dopper,Johan, corr TKM–A004, 1999–2000.

8.Nd4 Nc6

9.a3 a5 10.b5 Nd4 11.Qd4 Nd7 12.Qd2 Nc5 13.Nd5 Be6 14.Bg7 Kg7 15.Qb2 f6 16.Nf4 Qe7 17.Be2 Bf7 18.Rd1 Qe5 19.Qc2 g5 20.Nd5 Bg6 21.Qc3 Rf7 22.0–0 c6 23.Qe5 fe5 24.Nc3 Rd8 25.Rd2 Kf8 26.Rfd1 Ke7 27.Bf3 e4 28.Be2 Rf6 29.Rb2 Kd7 30.Bg4 Bf5 31.Be2 Bg6 32.Rd4 h5 33.h3 Re8 34.Bd1 Re5 35.Rbd2 Kc7 36.Bc2 h4 37.Bd1 Bf7 38.Bc2 Bg6 39.Rd1 Bh5 40.Rb1 Bg6 41.Rb2 Re8 42.Na4 Na4 43.Ba4 Re5 44.bc6 bc6 45.Rd1 Bf5 46.Rdb1 Bc8 47.Bd1 Rc5 48.Be2 d5 49.cd5 cd5 50.Bg4 Ba6 51.Rb8 Rfc6 52.Rg8 Rc1 53.Rc1 Rc1 54.Kh2 Ra1 55.Rg7 Kb6 56.Rg6 Kb7 57.Rg5 Bc4 58.g3 hg3 59.Kg3 Ra3 60.h4 d4 61.Kf4 d3 62.h5 Ra2 63.h6 Rf2 64.Ke4 d2 65.h7 Rf8 66.Kd4 Be6 67.Rg7 Kb8 68.Bd1 Rd8 69.Ke5 Bc4 70.e4 Re8 71.Kf6 Re6 72.Kg5 Re5 73.Kh6 Re8 74.Rd7 Kc8 75.Re7! Re7 76.h8Q Kb7 77.Qd4 Bb5 78.Qd2 Re6 79.Kg5 Ka6 80.Bf3 a4 81.Kf5 Rb6 82.Ke5 Bc4 83.Bg4 a3 84.Qc3 Bb3 85.Bc8 (85...Kb5 86.Qb3 Kc5 87.Qa3 Kc6 88.Qa7+–) 1–0. Weber,Gerold (2360) – Kwatschewsky,Leo (2230), AUT–chT qual, 1998.

9.a3 a5 10.b5 Nd4 11.Qd4 Nd7 12.Qd2 Re8 13.Nd5 Ne5 14.Rc1 Bg4 15.h3 Bf5 16.Be2 Qg5 (16...Be4 17.0–0+=) 17.Nf4 (17.Nc7!? Qg2 18.Rf1 Bh3 19.Be5 de5 20.Ne8 Re8 21.c5=) 17...h5 18.Bc3 b6 19.0–0 Rac8 20.Qd5 Rb8 21.Rfe1 Bf6 22.g3 h4 23.g4 Nd7 24.Bf6 Nf6 25.Qg2 Be4 26.Bf3 Qc5 27.Be4 Ne4 (worse is 27...Re4 28.g5 Re5 29.Nd3 (29.gf6 Rg5–/+) 29...Rg5 30.Nc5 Rg2 31.Kg2 bc5 32.e4+/–) 28.Nd5 Qa3 29.Nc7 Re7 30.Nd5 Re6 31.Red1 Ng5 32.Rc3 Qc5 33.Qf1 Rf8 34.Rc2 f5 35.Nf4 Ref6 36.Rd5 Qa3 37.Qd1 R8f7 38.Kg2 Ne4 39.Rd3 Qc5 40.Rd4 Qe5 41.Nd5 fg4 42.Nf6 Nf6 43.hg4 Ne4 44.f4 (44.f4 Qe6 45.Kf1+/–) 1–0. Nemec,Zdenek (2225) – Aberbach Peltzman,Angel (1905), 30. LSS No Engine Cup Final, 2011.

9.Nc2 Re8 10.Be2 Ne4 11.Ne4 Bb2 12.Rb1 Bg7 13.Nd2 Bf5 14.b5 Ne5 15.0–0 Qh4 16.Nf3? Nf3–+ 17.Bf3 Qc4 18.Rc1–/+ Bb2 19.Na3 Qa2–+ 20.Rc7 Qa3 (20...Ba3 21.Bd5 Qb2 22.Bf7 Kh8 23.Be8 Re8 24.Qd5+= (< 24.Rb7 Bc5=+)). Woro – Modes, Roanoke Virginia USA, 1986.

9.Nc6 bc6 10.a4 Re8 11.Qb3 Rb8 12.a5 (12.Be2 Nd7=) 12...a6 13.Be2 Be6 14.Rd1? (14.0–0 c5 15.Ra4 Nd7=) 14...d5 (better is 14...c5!? 15.Na2 cb4–/+) 15.cd5 cd5= 16.Qa4 Qd6 17.0–0 (17.b5 Qd8 18.Qa1 ab5 19.Bb5 Re7=) 17...Rb4 (17...Qb4 18.Ba1 c5 19.Ba6–+) 18.Qa3? (better is 18.Ba3 Ra4 19.Bd6 Ra5 20.Bb4=+) 18...Reb8–+ 19.Ba1 c5 20.Rc1 Rb3 21.Qa4 R8b4 22.Qa2 d4 23.Qd2 Qe5 24.ed4 cd4 25.Na2 Ne4 26.Qc2 Nc3?? 27.Nc3?? dc3–+ 28.Ba6 Bf5 29.Qa2 Qb8 30.Bc4?? Rc4–+ 31.a6 Rcb4 32.a7 Qa8 33.Qa5 Rb7 34.Rfd1 Bf6 35.Bc3 Ra7 36.Qc5 Rc3 37.Rc3 Bc3 38.Qc3 h5 39.h3 Ra3 40.Qf6 Qf8 41.Rd8+/– Ra8 42.Rf8 Rf8 43.g4 Re8 0–1. blackiwhite (1645) – someone005 (1630), kurnik, 2011.

9.Nc6 bc6 10.Bd3 Rb8 (10...Ng4 11.0–0–/+) 11.a3 (11.b5 Ng4–/+) 11...Re8 (11...Ng4 12.h3 Ne5 13.0–0–/+) 12.Qa4 (12.0–0 Nd7=+) 12...a6 (12...Ng4 13.0–0 (13.Qc6 Ne5 14.Qe8 Qe8–+) 13...Qh4 14.h3–/+) 13.0–0 (13.Ne2 Ng4 14.Bg7 Kg7=+) 13...Bb7 (13...Nd7 14.Rac1=+ (14.Qc6?? Ne5 15.Qa4 Nd3–+)) 14.Rad1 (14.Rfd1 c5=) 14...Ng4 (14...c5 15.Qc2=) 15.h3= Ne5 16.Be2 Qh4 17.Rd4 Qe7 18.Rfd1 f5 19.Qb3 Qf7 20.Qc2 Bc8 21.c5 d5 22.Nb1 Nc4 23.Bc4 Bd4 24.Rd4 dc4 25.Rc4 h6 26.Nd2 Be6 27.Rh4+= Kh7 28.Nf3+/– Qe7 29.Qc3 Rg8? 30.Qe5?? g5= 31.Rd4 Rbe8 32.g4 Bc8 33.Qg3= fg4 34.hg4 Rd8 35.Ne5+= Rd4 36.Bd4 Qe6 37.Qg2 Qd5 38.Qg3 Be6 39.Nf3 Bf7 40.Be5 Qd1–/+ 41.Kh2 Bd5 42.Ng1? Rf8–+ 43.f4 Qc2 44.Kh3 gf4 45.ef4=+ Qe4 46.Kh4 Rg8 47.Nh3 Be6 48.Nf2= Qd5 49.g5 hg5=+ 50.fg5 Bf5 51.Qf4 Kg6 52.Bc7 Rh8 53.Kg3 Qb3 54.Kg2 Bh3 55.Nh3 Qh3 56.Kf2 Qh4 57.Ke2 Re8 58.Kd3 Qh3 59.Kd2=+ Qg2 60.Kc3 Re4 61.Qf6= Kh5 62.Qf7 Kg4 63.Qd7 Kf3 64.Qd1 Kf2 65.Qd2 Re2 66.Qf4 Kg1 67.Qc1 Kf2 68.Kb3 Qf3 69.Ka4+= Qd3 70.Qf4 Ke1? 71.Qg3+/– Kd2 72.Bf4 Kc2+= 73.Qd3 Kd3 74.Ka5 Kc4 75.Ka6+– Ra2? 76.Kb6 Kd5 77.g6 Rg2 78.a4 Rg6 79.a5 Rf6?? 80.Bd6 Rf1 81.a6 Rb1 1–0. Novikov,Konstantin Ivan (2215) – Gladkikh,Ivan (2165), RUS–ch Seniors, 2004.

9.Nc6 bc6 10.Be2 Rb8 11.a3 a5 12.b5 (12.Qa4 ab4 13.ab4 Bf5=) 12...d5 13.cd5 Nd5 14.Nd5 Bb2 (< 14...cd5 15.Bg7 Kg7 16.0–0+/–) 15.Ra2 Qd5 (< 15...cd5 16.Rb2 c5 17.a4+=) 16.Qd5 Bc3 (< 16...cd5 17.Rb2 Bb7 18.Rc2+/–) 17.Qd2 Bd2 18.Kd2 (18.Rd2 cb5 19.0–0 Be6–/+) 18...Rd8–/+ 19.Kc1 cb5 20.Rc2 Bf5 21.Rc7 Rdc8 22.Rc8 Rc8 23.Kd1 b4 (23...Rc3 24.Re1–/+) 24.ab4 ab4 25.f3 Ra8 26.Re1 Ra1 27.Kd2 Ra2 28.Kc1 Rc2 29.Kd1 b3 30.e4 Be6 0–1. Anastasian,A (2570) – Fedorov,Alex (2590), Open Dubai UAE, 2001.

9.Nc6 bc6 10.Be2 Rb8 11.a3 a5 12.b5 d5 13.Bf3 Bb7 14.Rb1 dc4 15.bc6 (15.Bc6 Bc6 16.bc6 Qd1 17.Nd1 Nd5–+) 15...Bc8 16.Ba1 Rb1 17.Nb1 Qd1 18.Bd1 Ne4 19.Bg7 Kg7 20.Bc2 Bf5 21.f3 Ng3 22.hg3 Bc2 23.Nc3 Bd3 24.Nd5 Rd8 25.e4 Rd6. Lheiter – Pascual Perez, corr, 2001. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0–0 5.e3 d6 6.d4 e5 7.Nc3 ed4 8.Nd4 Nc6)

9.Nc6 bc6 10.Be2 Bf5 =+.

8.Nd4 Re8

9.a3 a5 10.Be2 ab4 11.ab4=.

9.Bd3 c5 10.Nc2 Nc6 11.b5=.

9.Be2 a5 10.a3 ab4 11.ab4 Ra1 12.Qa1 Na6 13.b5 Nc5 14.0–0 Ng4 15.Qd1 Ne5 16.Qc2 Qh4 17.Nd5 c6 18.Nf4 Bh6 19.bc6 bc6 20.Nf3 Bf5 21.Qc3 Qe7 22.Nd4 Bd7 23.Ra1 Qf6 24.Ra7 Bf4 25.ef4 Qf4 26.Bf3 Ncd3 27.Ne2 Qh4 28.Qd4 Qg5 0–1. Liptak – Sturm, 1996.

9.Be2 Bd7 10.Bf3 c6 11.0–0 Qc7 12.Rc1 Na6 13.a3 Rac8 14.Qe2 Qb8 15.Rfd1 Nc7 16.Rd2 Ne6 17.Ne6 Be6 18.Rcd1 Red8 19.h3 Ne8 20.e4 Bh6 21.Rc2 Qc7 22.Bg4 Bg4 23.Qg4 Qd7 24.Qh4 Bf8 25.Ne2 Be7 26.Qf4 Qc7 27.Rcd2 Bf8 28.h4 Ng7 29.Bg7 Bg7 30.Rd6 Rd6 31.Qd6 Qd6 32.Rd6 Kf8 33.Rd7 Ke8? 34.Rb7+– a6 35.g3 c5 36.b5 ab5 37.Rb5 Kd7 38.Rb7 Rc7 39.Rc7 Kc7 40.f4 Bb2 41.a4 Kb6 42.Kf2 Ka5 43.Ke3 Ka4 44.Kd3 Bg7 45.Nc3 Ka5 46.Nd5 Ka6 47.g4 Kb7 48.e5 Kc6 49.Ke4 h6 50.f5 g5?! 51.hg5 hg5 52.f6 Bf8 53.Nc3 Bh6 54.Kf5 Kd7 55.Ne4 (55.Ne4 Bf8 56.Ng5+–) 1–0. Humeau,C (2190) – Rigal,J (1640), 7th Balagne Open, Calvi FRA, 2010.

9.Be2 Nbd7 10.0–0 c5 11.bc5 Nc5 +=.

9.Be2 Nbd7 10.0–0 Ne5 11.Qc2 c6 12.Rad1 Qe7 13.Bc1 Be6 14.Ne6 fe6 15.f4 Ned7 16.e4 Red8 17.Bf3 Rac8 18.Rfe1 Nb6 19.c5 (better is 19.Na4!?+=) 19...dc5=+ 20.bc5 Qc5 21.Kh1 Rd1 22.Rd1 Ne4 23.Be4? (better is 23.Qe4 Qc3 24.Qe6 Kf8 25.Re1=) 23...Qc3–+ (23...Bc3?! 24.Bb2 Nd5 25.Rc1=+) 24.Qc3 Bc3 25.Ba3 Nc4 26.Be7 Ne3 27.Rd3 Nd5–+ 28.Bd5 ed5?? 29.Rc3= Re8 30.Re3 d4 31.Re1 Kf7 32.Kg1?? Re7–+ 33.Re7 Ke7 34.Kf2 Kd6 35.Ke2 Kd5 36.Kd3 c5 37.a4 c4 38.Kd2 Ke4 39.g3 c3 40.Kc2 Ke3 41.g4 Ke2 42.f5 gf5 43.gf5 d3 44.Kc3 d2 45.f6 d1Q 46.f7 Qa1 47.Kb4 Qf6 48.h4 Qf7 49.h5 Qh5 50.a5 b6 51.a6 Qa5 52.Kc4–+ Ke3 53.Kb3 Kd4 54.Kc2 Qc3 55.Kd1 Qb2 56.Ke1 Ke3 57.Kd1 Qd2 0–1. dtpwaldi – zihulak, kurnik, 2011.

9.Be2 Nbd7 10.a4 c5 11.Ndb5 (better is 11.bc5!? Nc5 12.0–0=) 11...cb4–/+ 12.Nd5 Nd5 13.Bg7 Ne3 14.fe3 Kg7 15.0–0 (15.Qd4 Re5 16.Nd6 Qg5=+) 15...Qb6 (15...Nf6 16.Nd6 Re3–+) 16.Kh1 (better is 16.Nd6 Qe3 17.Rf2–+) 16...Re3 17.Nd6 Ne5 18.c5 Qc5 19.Rc1 Rc3 20.Ne8 (20.Rc3 bc3 (< 20...Qc3 21.Ne8 Kf8 22.Bb5–/+) 21.Ne8 Kf8–+) 20...Kf8 21.Qd8 (21.Rc3 bc3 22.Qd8–+) 21...Bg4 (21...Rc1?? 22.Nf6 Kg7 23.Qg8 Kh6 24.Qh7 Kg5 25.Ne4) 22.Qa8 Rc1 (22...Be2?? 23.Nf6 Qc8 24.Qc8 Rc8 25.Rc8 Kg7 26.Rg8 Kh6 27.Re1+–) 23.Nf6 Bc8 24.h3 (24.Ne4 Rf1 25.Bf1–+) b3 (24...b3 25.Ne4 Qc7–+) 0–1. Mothes,Rainer – Dopper,Johan, corr SOK–95–110, 1995.

7.d4 e4

8.Nd2 Qe7 9.Be2 Re8 10.a4 a5 11.b5 b6 12.Qc2 Bb7 13.Nb3 c5 14.d5 Nbd7 15.Nd2 Nf8 16.0–0–0 Bc8 17.Rde1 Bg4 18.Bg4+/– Ng4 19.Nde4 f5 20.h3 Ne5 21.Nd2 Ra7 22.f4 Nf7 23.g4 fg4 24.hg4 Nh6 25.g5 Nf5 26.Nce4 Nd7 27.Rh3 Bb2 28.Qb2 Qg7 29.Reh1 Qb2 30.Kb2 Re7 31.Kc3 Kh8 32.Kd3 Ra8 33.Nf6 Nf6 34.gf6 Rf7 35.e4 Nd4 36.e5 Raa7 37.Ne4 de5 38.fe5 Rad7 39.Ng5 (39...Kg8 40.Nf7 Rf7 41.Ke4+–) 1–0. Steffens,Olaf (2315) – Duerlich,Michael, Strelasund op, 1998.

8.Nd2 Re8 9.Be2 a5 10.b5 c5 11.dc5 dc5 12.Qc2 Bf5 13.h3 g5 14.g4 Bg6 15.h4 h6 16.hg5 hg5 17.0–0–0 Nbd7 18.Nf1 Qc8 (18...Qe7 19.Nd5 Nd5 20.cd5+=) 19.Ng3+/– Nb6 20.Nh5 Bh5 21.gh5 Qf5 22.h6 Bh8 23.f3! Qh7 24.Rdg1 g4 25.Ne4 Ne4 26.Rg4 Kf8 27.Bg7 (27.Bg7 Bg7 28.hg7 (28.Re4?! Be5=) 28...Qg7 29.Rg7 (29.Re4?! Qa1 30.Qb1 Qc3 31.Qc2 Qa1 32.Qb1 Qc3 33.Qc2 Qa1=; 29.fe4?! Qa1 30.Qb1 Qc3 31.Qc2 Qa1 32.Qb1 Qc3 33.Qc2 Qa1=) 29...Kg7 30.Bd3+–) 1–0. Dreev,A (2655) – Sai,KG (2280), ch–Commonwealth, Delhi IND, 2010 (= 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 0–0 5.e3 d6 6.b4 e5 7.Bb2).

8.Nd2 Re8 9.Be2 h5 10.0–0 Nbd7 11.Qc2 Qe7 12.Rae1 Nf8 13.f3 ef3 14.Bf3 (14.Rf3?! Bg4=) 14...c6 15.b5 Bd7 16.bc6 bc6 17.e4 Ng4 18.Nb3 Rab8 19.e5 de5 20.h3 Qh4 21.d5 (21.hg4 hg4 22.g3 Qg3 23.Bg2 f5=) 21...e4 22.Ne4 (22.hg4 ef3 23.Re8 Re8 (23...Be8?! 24.Rf3 Be5 25.Qf2 Qh2 26.Kf1+=) 24.gf3 hg4–+; 22.Re4 Re4 23.Qe4 Re8+=; 22.Be4 Rb3! 23.Rd1 Rc3 24.Bc3 Ne3–+) 22...Ne5 23.g3 Qd8 (23...Qh3?? 24.Bg2 cd5 25.Bh3 Bh3 26.cd5 Bf1 27.Rf1+–; 23...Nf3 24.Rf3 Qh3 25.Bg7 cd5 26.cd5+–) 24.Bg2 cd5 25.cd5 Bb5 26.Kh1? (better is 26.Rf2!?=) 26...Bd3 27.Qc3 Bf1 28.Rf1 Qb6 29.Ba1 Nfd7 ½–½. Sarmiento Alfonso (2255) – Reyes Larena (2430), Santa Cruz de la Palma op, 1995. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.e3 0–0 6.d4 e5 7.Nc3 e4)

8.Nd2 Re8 9.h3 c6 (9...c5 10.dc5 dc5 11.bc5=) 10.Qb3 (10.Qc2 c5 11.dc5 dc5 12.bc5 Nc6+=) 10...d5 (10...a5 11.b5=) 11.b5 (11.cd5 cd5 12.Rc1 Be6=) 11...Be6 12.a4 (12.bc6 Nc6 13.Qb7 Nd4 14.ed4 Rb8 15.Qa7 Rb2=) 12...Nbd7 13.a5 (13.cd5 cd5 14.Be2 Qa5=) 13...a6 14.b6 h5 (14...Rc8 15.Rd1=) 15.Be2+= h4 (15...dc4 16.Bc4 Bc4 17.Nc4+=) 16.c5 (16.0–0!?+=) 16...Nh7= 17.0–0–0 (17.0–0 Qg5 18.Kh1 Bd4 19.ed4 Qd2=) 17...Qg5 18.Rdg1 f5 (18...Qf6 19.f4=) 19.Na4 (19.g3!?+–) 19...f4= 20.Nf1 (better 20.g3!? f3 21.Bf1=) 20...Rf8–/+ 21.g3 (21.Nd2 Rae8=+) 21...hg3 22.h4 Qh6 23.fg3 f3 24.Bd1 Nhf6 25.Kb1 (25.Nh2 Qh5–/+) 25...Ng4 26.Bc2 Ndf6 27.Nc3 Nf2 (27...Ne3?! 28.Bc1 f2 29.Rg2=) 28.Rh2 N6g4 29.Ne4 (29.Rf2 Nf2 30.Ne4 Ne4 (30...de4?! 31.Qe6 Kh8 32.Qe7=+) 31.Be4 Rae8–+ (31...de4?! 32.Qe6 Kh8 33.Qe4=)) 29...Ne4 30.Be4 Nh2 31.Nh2 f2 (31...de4?! 32.Qe6 Kh8 33.Ng4=+ (33.Qe4? Rae8 34.Qc2 Qe3–+)) 32.Rf1 (32.Rd1 A) 32...de4?! 33.Qe6 Kh7 A1) 34.Qe4? Rae8 35.Qc2 Qe3–+ (35...Re3? 36.Bc1+–); A2) 34.Qd7–/+; B) 32...Bh3 33.Bc2 f1Q 34.Nf1 Rf1–+) 32...Bh3 33.Bd5?! (33.Bc2–+) 33...cd5 34.Qd5 Kh8 (34...Kh7 35.Bc1 Bf1 36.Nf1–+) 35.Bc1 Qh5 (35...Bf1 36.Nf1 Qh7 37.Bb2–+) 36.Qh5 gh5 37.Kc2 (37.Rd1 Rae8–+) 37...Rae8 38.Kd3 Bd4! 39.Kd4 (39.Kd4 Rd8 Double attack; 39.ed4 Bf1 Combination) 39...Rd8 (39...Bf1 40.c6 Bg2 41.c7–+) 40.Kc4 Bf1 41.Nf1 Rd1 42.Bb2 Kg8 (42...Kg8 43.Be5 Rf1 44.c6 Rc1 45.Kd4 f1Q 46.Bf4 Rd1 47.Kc3 Qd3 48.Kb2 Rd2 49.Kc1 Qc2) 0–1. Pagano,Nunzio (1975) – Sivuk,Vitaly (2520), 8th Capo d'Orso Open, 2016.

8.Ng5 Re8=+ 9.h4 (9.Qc2 Qe7=+) 9...h6 10.Nh3 Bg4 (10...c5 11.dc5 dc5 12.Qd8 Rd8 13.bc5=+) 11.Be2= Be2 12.Qe2 c6 (12...a5 13.b5=) 13.b5 (13.g4 a5 14.ba5 Qa5=) 13...Nbd7 (13...c5 14.Nf4=) 14.Nf4 (14.g4 Nh7=) 14...h5 (14...a6 15.bc6 bc6 16.Rb1=) 15.g3 (15.bc6 bc6 16.a4 Rb8=+) 15...a6 (15...Nb6 16.0–0=+) 16.a4 (16.bc6 bc6 17.0–0 Rb8=+) 16...ab5 17.ab5 Ra1 18.Ba1 Ng4 (18...Nb6 19.0–0=+) 19.0–0= c5 (19...Ndf6 20.Bb2=) 20.Ncd5 cd4 21.ed4 (21.Bd4 Nge5+=) 21...Ndf6 (21...Ngf6 22.f3+=) 22.f3+= Nd5 (22...ef3 23.Qf3 Ne4 24.Nh5 gh5 25.Qf7 Kh8 26.Qh5 Nh6 27.Qg6+/–) 23.Nd5 ef3 24.Qf3 f5 25.c5 dc5 26.dc5+= Ba1 27.Ra1 Re5 28.Rd1 Qe8 29.Qg4 Re1=+ 30.Kf2 hg4 31.Nf6 Kf7 32.Ne8=+ Rd1 33.Nc7? Rc1–+ 34.c6 bc6 35.bc6 Rc6 36.Nd5 Rc2 37.Kf1 Rd2 38.Nf4 Kf6 39.Ke1 Rd4 40.Ne2 Re4 41.Kf2 Re2 42.Ke2 Ke5 43.Ke3 f4 (44.gf4 Kf5–+) 0–1. Bulcourf,Carlos (2240) – Scarella,Enrique Alejandro (2375), Villa Ballester op, 1997.

7.Be2 a5

8.a3 Nc6 9.b5 Ne7 10.a4 b6 11.d4+= Nd7 12.h4 (12.0–0 Bb7+=) 12...Bb7 (12...h5 13.de5 Ne5 14.Ne5 Be5 15.g4 hg4 16.Bg4 Bg4 17.Qg4+/–) 13.h5 ed4 14.ed4 d5 15.hg6 hg6 16.Qd2 (better is 16.Qb3+=) 16...c5? (16...Re8 17.0–0–0=) 17.bc6 (better is 17.Nd5!? Nd5 18.cd5 cd4 19.Nd4+–) 17...Bc6+= 18.Nb5 (18.Rc1 Re8 19.Nb5 Nf5+=) 18...Nf6 (18...dc4 19.Bc4 Bf3 20.gf3=) 19.Ng5 (19.Ne5 dc4 20.Qg5 Re8+=) 19...Re8 (19...dc4 20.f3+=) 20.0–0–0 (20.c5!? Nf5 21.Rh3=) 20...dc4–/+ 21.Bc4 Ned5 22.Ba3 Ne4 23.Ne4 Re4 24.Bd3 Rh4 25.Rh4+= Qh4 26.g3 Qh2 27.Kb1 Nf6 28.Qc2= Qg2 29.Nd6 Bd5 30.Re1 Rd8 31.Qc7 Rf8 32.Qc2 Qh3 33.Qb2 Rb8 34.Nc4 Qd7 35.Qc2 b5–/+ 36.ab5 Qb5 37.Nb2 Qb7 38.Re7 Qb3 39.Qb3= Rb3 40.Bc5 a4 41.Ra7 Ne4+= 42.Be4 Be4 43.Ka1?? a3! 44.Na4 Rf3 45.Re7 Bc6 46.Nb6 Rf2–+ 47.Re3?? Rc2 48.Ba3 Bd4 49.Kb1 Be3 (49...Be3 50.Kc2 Be4 51.Kd1 Bb6–+) 0–1. Aviles,O – Jimenez Rojas,Hector, CHI–ch Santiago, 1951.

8.ba5 Nc6 9.0–0 =.

8.b5 Nbd7 9.0–0 e4 10.Ne1 Nb6 11.Na4 A) 11...Nfd7 12.Bg7 (12.Nb6 Nb6 13.Bg7 Kg7 14.Qc2= 0.25) 12...Kg7 13.Nb6 Nb6 14.Qc2+= 0.31; B) 11...Na4 12.Qa4 Re8 13.f3 Bf5 14.Nc2= 0.19.

8.b5 Nbd7 9.0–0 e4 10.Ne1 Nb6 11.Qc2 A) 11...Re8 12.f3 (12.Na4 Na4 13.Qa4 Bf5 14.f3= 0.16) 12...ef3 13.Nf3 a4 14.a3= 0.19; B) 11...Bf5 12.Na4 (12.Rd1 Qe7 13.Na4 Nbd7 14.d4= –0.03) 12...Nbd7 13.d4 ed3 14.Bd3= 0.09.

8.b5 Nbd7 9.0–0 e4 10.Ne1 Nb6 11.f3 Be6 (11...Bf5 12.Qc1 (12.Ne4 Ne4 13.fe4 Bb2 14.Rb1+= 0.28) 12...ef3 13.Nf3 Qe7 14.Nd4+= 0.34) 12.Ne4 (12.fe4 Ne4 13.Qc2 Bc4 14.Ne4= –0.22) 12...Nc4 (12...Bc4 13.Bd4 Re8 14.Bc4= 0.13) 13.Nf6 (13.Bf6 Bf6 14.Rc1= 0.16) 13...Bf6 14.Bf6 Qf6 15.Rc1 d5 16.Nd3 Nb2 (16...Rfd8 17.Nc5=) 17.Qc2 Nd3 18.Qd3 Rfc8 19.e4 (19.Rc5 c6+=) 19...de4 20.fe4 Qg5 21.Qc3 (21.Rc2 c6 22.b6 Re8=) 21...c5 (21...Ba2!? 22.Ra1 Be6=) 22.Bc4+= Re8 23.Rf2 b6 24.Rcf1 Ra7 25.Rf6 Rd7 26.R1f2 Qg4 27.Qe5 Rde7 28.Be2 Qh4 29.R6f4 Qh6 (29...Ba2? 30.Qb2 (30.Rh4? Re5 31.d3 Be6–+) 30...Qg5 31.Qa2+–) 30.Qb2 (30.Qd6 Ba2 31.Qb6 a4+=) 30...Qg7 31.Rf6 Rd7 32.Qc3 (32.Qc2 Red8 33.d3 Qh6=) 32...Rd4 (32...Red8 33.a3=+) 33.a3 (33.d3!?=) 33...Re4–/+ 34.h3 (34.Bf1 Qf8–/+) 34...Rd4 35.Bd1 (35.Qe3 Qf8–/+) 35...Red8–+ 36.Bb3 c4 37.Bc2 Rd2! 38.Rd2 (38.Qd2 Rd5; 38.Rd2 Rd2) 38...Rd2 39.Qd2 (39.Rg6 hg6 40.Qd2 Qa1 41.Bd1 Kh7–+) 39...Qf6 40.Be4 (better 40.a4–+) 40...Qe5 41.Bf3 (41.Bc6 c3 42.Qd8 Kg7–+) 41...Qc7 (41...Qc5 42.Kh2–+) 42.Qc1? (42.Bc6 Qe7–+) 42...Bf5 (42...Qc5 43.Kf1–+) 43.Kf2? (better 43.Bc6 Qg3 44.Qc4 Bh3 45.Qd4–/+) 43...c3 (better 43...Qc5 44.Qe3 Qb5 45.g4 Qb2 46.Qe2–+) 44.g4 (44.Be2 Qc5 45.Kf1 Be4–+) 44...Bd3 (44...Qh2!? 45.Bg2 Be4 46.Qc3 Bg2 47.Qg3 Qg3 48.Kg3–+) 45.Kg2 Qc5 0–1. Kakenov,Muhtar – Mamedov,Rah, Wch U10 Oropesa del Mar, 1998.

8.b5 Nbd7 9.0–0 e4 10.Ne1 Re8 A) 11.Rc1 Nc5 (11...Ne5 12.f3 ef3 13.Nf3 Bf5 14.Nd4= 0.25) 12.d4 (12.d3 ed3 13.Nd3 Nd3 14.Bd3= 0.13) 12...ed3 13.Nd3 Nd3 14.Bd3= 0.13; B) 11.Qc2 B1) 11...Nb6 12.f3 (12.Na4 Na4 13.Qa4 d5 14.d3= 0.06) 12...ef3 13.Nf3 Bf5 14.Qc1= 0.19; B2) 11...Nc5 12.f3 (12.d4 ed3 13.Nd3 Bf5 14.Rad1= 0.00) 12...ef3 13.Bf3 Bf5 14.Qd1= 0.03; C) 11.Rb1 C1) 11...Ne5 12.f3 (12.f4 Ned7 13.f5 Nb6 14.fg6= 0.03) 12...ef3 13.Nf3 Bf5 14.Ne5= 0.25; C2) 11...Nc5 12.a3 (12.f3 ef3 13.Bf3 Bf5 14.Rc1= 0.13) 12...Bf5 13.Nc2 Be6 14.Nd4= 0.16; D) 11.f3 D1) 11...ef3 12.Nf3 (12.Bf3 Ne5 13.Nd5 Nfd7 14.Be2+= 0.31) 12...Nc5 13.Nd4 a4 14.a3+= 0.44; D2) 11...Nc5 12.fe4 (12.Na4 Na4 13.Qa4 Bf5 14.a3= 0.16) 12...Nfe4 13.Qc1 Bf5 14.Ne4+= 0.34.

8.b5 Nbd7 9.d3 b6 (9...Nb6 10.0–0=) 10.a4 Bb7. xadrezpg (2395) – cyrilrussell (2385), net–chess.com, 2010.

7.Be2 a6

8.0–0 Nc6 9.a3 Bd7 10.d3 (10.d4 ed4 11.Nd4 Re8+=) 10...Re8= 11.Qc2 Ne7 12.Rfd1 d5 (12...Nf5 13.d4 ed4 14.Nd4 Nd4 15.Rd4=) 13.cd5 (13.Ne5!? Bf5 14.Bf3+–) 13...Ned5+= 14.Nd5 Nd5 15.Rac1 (15.Rab1 Bb5=) 15...Rc8 (15...a5 16.ba5 Ra5 17.Rd2=) 16.Qc5 (16.d4 e4 17.Ne5 Bb5=) 16...Bc6 (better 16...Bb5=) 17.d4+– Bf8 18.Qc2 (better 18.Qa5 e4 19.Ne5+–) 18...Nb6? (better 18...e4!? 19.Ne5 Bb5=) 19.de5+– (19.Ne5?! Ba4 20.Qb1 Bd1 21.Rd1 Qe7=) 19...Qe7 20.Qc3 (20.Rd2!? Bb5+–) 20...Na4+– 21.Qb3 Nb2 22.Qb2 Bg7 23.Nd4 (23.Rc6!? bc6 24.Ba6+–) 23...Ba4= 24.Rd3 (24.Rd2 Be5 25.Bf3 c6=) 24...Be5 25.Bd1 (25.Qa2 Rcd8 26.Qd2 c6=) 25...Bd1 (25...Bb5 26.Rd2=) 26.Rcd1 Bg7 27.Qb3 c6 28.Nf3 (28.Qc2 c5 29.bc5 Rc5=) 28...Rcd8= 29.Rd8 (29.Qc4 Rd3 30.Qd3 Bf6=) 29...Rd8 30.Rd8 Qd8 31.Kf1 h6 ½–½. tsodikovich (1825) – loddar (1995), gameknot.com, 2018.

8.0–0 Nc6 9.a3 e4 10.Ne1=.

8.0–0 Nc6 9.a3 Bf5 10.d4 ed4 11.ed4 Re8 12.Re1 Qd7 13.d5 Ne5 14.Qd2 Re7 15.Ne5 de5 16.Bf3 Rae8 17.Be4 Ne4 18.Ne4 Be4 19.Re4 Qf5 20.Rae1 Kh8 (20...Qh5!?+=) 21.f4+– f6 22.fe5 fe5 23.Qf2 (23.Qe3+–) 23...Qd7 (better 23...Qf2!? 24.Kf2 h6+=) 24.Be5!+– Rf8?? (24...Re5 25.Re5 Combination; 24...Be5 25.Re5) 25.Qf8 1–0. tsodikovich (1785) – anonsi (1850), gameknot.com, 2017.

8.0–0 Be6 9.d4 ed4 10.Nd4 Bd7 (10...Nbd7 11.Bf3 Rb8 12.Ne6 fe6 13.Ne2=) 11.e4 (11.Bf3 Nc6+=) 11...Nc6 12.Nc6 Bc6 13.f3 Qe7 14.Rb1 b5 (14...Bd7 15.Qd4 Be6 16.Qd3+=) 15.cb5 (15.a3 Nd7+=) 15...Bb5 (15...ab5 16.Bb5 Bb5 17.Nb5 Ra2 18.Rf2+=) 16.Nb5 ab5 17.Bb5 Ra2 18.Bc6 Ne4 (better 18...Nh5 19.Bg7 Ng7+–) 19.Bg7+– Qg5 20.Rb2 Rb2 21.Bb2 Qe3 22.Kh1 Nf2 23.Rf2! Qf2 24.Bd4 Qa2 25.h3 Qc4 26.b5 Rb8 27.Qd2 h5 (27...h6 28.Qf4 f5 29.Qe3+–) 28.Qb2 White intends b6 (28.Qf4!? f5+–) 28...Kh7 29.Ba7 (better 29.Qa1!?+–) 29...Qc6+= 30.Bb8 (30.bc6?? Rb2 31.Kg1 d5–+) 30...Qb7 31.Bc7 Qc7 32.b6 Qb7 33.Qd4 d5? (better 33...Qb8!?+–) 34.Qc5+– Qa8?? (34...d4 35.Qd4 Qa6+–) 35.Qc7 Qa1 36.Kh2 d4 (36...Qg7 37.b7+–) 37.Qf7 Kh6 38.b7 (38.b7 Qb2 39.Qf8 Kh7 40.b8Q Qb8 41.Qb8+–) 1–0. zabazaba (1665) – noelnievas (1690), gameknot.com, 2014.

8.a4 Bd7 (8...e4 9.Nd4=+) 9.0–0 Qe8 (9...e4 10.Nd4=) 10.d3 (10.d4 e4 11.Nd2 Qe7+=) 10...b6 (10...Nc6 11.b5 Ne7 12.Qc2+=) 11.Qc2 c5 12.b5 ab5 (12...Ra7 13.ba6 Ra6 14.Nb5+=) 13.ab5+/– Ra1 14.Ra1 Bg4 15.h3 Bf3 (15...Bf5 16.Qd2+/–) 16.Bf3 (16.gf3?! Qe6=) 16...Qe7 17.Ra8 Rd8 (17...Qe6 18.Ra7+/–) 18.Qa4 (18.Ne4 Ne4 19.Be4 Qf6+/–) 18...e4 (18...Nbd7 19.Ra7+/–) 19.Ne4 (better is 19.de4!? Nbd7 20.Rd8 Qd8 21.Qc2+–) 19...Ne4+/– 20.Bg7 Kg7? (better is 20...Nf2!? 21.Kf2 Kg7 22.Qa1 Kg8+/–) 21.Be4+– Qf8 22.Ra7 Rd7 23.Bd5 Qe7 24.Ra8 Rd8 25.Kf1 h5 26.Ra7 Rd7 27.Rd7 Qd7 28.Qa1 Kg8? 29.e4 Qe7 30.d4 Kh7 31.dc5 dc5 32.Qa8 Qc7 33.g3 Kg7 34.f4 Qc8 35.Kg2 Qc7 36.Qa1 Kg8? 37.Qf6 Qa7 38.g4 hg4 39.hg4 Kf8 40.Kg3 Kg8 41.Kh4 Qc7 42.Kg5 Qd7 43.Kh6 Kf8 44.Qh8 Ke7 45.Qb8 Qg4 46.Qc7 Qd7 47.Qd7 Kd7 48.Bf7 (48...Kc7 49.e5 Kb8 50.e6 g5 51.e7 Ka8 52.e8Q Kb7 53.Qc6 Ka7 54.Qc7 Ka8 55.Bd5) 1–0. Poschmann,Hans – McEnroe,Glenn, CalChess Season opener, 1993.

8.d4 ed4 9.Nd4 c5 10.bc5 dc5=.

7.Be2 b6

8.0–0 Bb7 9.Re1 (9.d4 Qe7=) 9...Ne4 (9...e4 10.Ng5=) 10.d4 Nc3 11.Bc3 ed4 (11...e4 12.Nd2=) 12.ed4 Nd7 13.a4 (13.Qd2 Re8=) 13...Nf6 (13...Re8 14.a5=) 14.d5+= c5 (14...Re8 15.a5+=) 15.dc6+– Bc6 16.b5 (16.Nd4 Ne4 17.Bb2 Bb7+–) 16...Bb7 17.Nd4 (17.a5+=) 17...d5 (17...Ne4 18.Bb2 Re8=) 18.cd5?? (better 18.Nc6 Bc6 19.bc6+–) 18...Qd5?? (18...Nd5 19.Bb2 Nf4=) 19.Bf3+– Qd7 20.Nc6 Bc6 (20...Rae8 21.Bb4 Re1 22.Qe1+–) 21.bc6 (21.Bc6?! Qd1 22.Rad1 Rad8+–) 21...Qd1 (21...Qf5 22.c7 Rac8 23.Bf6 Qf6 24.Rc1+–) 22.Rad1 (22.Bd1?! Ne8 23.Rc1 Bc3 24.Rc3 Nc7+–) 22...Rac8 23.Re7 Rfe8 24.Re8 (24.Rde1 Re7 25.Re7 Ne8 26.Bg7 Kg7 27.Ra7 Kf6+–) 24...Ne8 25.Bg7 (25.Bb4!?+–) 25...Kg7+– 26.Rd7 Nf6? (better 26...Nc7+–) 27.Ra7+– g5 (27...h6 28.h3+–) 28.g4 Ne8 (28...h5 29.h3 hg4 30.hg4+–) 29.Rb7 Nd6 (29...Kf6 30.Rb6 Nc7 31.a5+–) 30.Rb6 Ra8 1–0. rcm06 (2085) – sanjinp (1610), gameknot.com, 2019.

8.Qc2 Bb7 9.0–0 Nc6 10.b5 Ne7 11.a4 a5 12.d4 (12.Rab1 A) 12...Qd7 13.d4 (13.Rfd1 e4 14.Nd4 Rae8 15.d3+= 0.31) 13...ed4 14.ed4 Rae8 15.Rfe1+= 0.53; B) 12...Re8 13.e4 (13.d4 ed4 14.Nd4 Qd7 15.Rfd1= 0.16) 13...Rc8 14.Nd5 Ned5 15.cd5+= 0.50; 12.Rac1 A) 12...Rc8 13.d4 (13.Rfd1 c5 14.bc6 Nc6 15.d4+= 0.47) 13...ed4 14.ed4 Re8 15.d5+= 0.56; B) 12...c5 13.d4 (13.e4 Ne8 14.d3 f5 15.Nd5+= 0.28) 13...cd4 14.ed4 Qc7 15.Rfe1+= 0.31; 12.Rad1 A) 12...c5 13.bc6 (13.e4 Ne8 14.Ng5 Nf5 15.Nf7= 0.09) 13...Nc6 14.d4 Nd7 15.de5+= 0.63; B) 12...Re8 13.d4 (13.d3 Rc8 14.Ne4 Nd7 15.d4+= 0.38) 13...ed4 14.Nd4 Rc8 15.Bf3+= 0.53) 12...ed4 (12...Nd7 13.Rfe1 (13.Rad1 ed4 14.ed4 Re8 15.d5+= 0.56) 13...f5 14.Rad1 h6 15.de5+– 0.81) 13.Nd4 (13.ed4 c6 14.bc6 Bc6 15.Rae1+= 0.53) 13...Nd7 (13...Qd7 14.Rad1 Rfe8 15.Rfe1+= 0.53) 14.Bf3 Bf3 15.Nf3 (15.gf3?! Re8=) 15...Ne5 16.Ne5 Be5 17.Nd5 Nd5 18.cd5 Bb2 19.Qb2 Qe7 20.Rac1 f5 21.Rc4 Rad8 22.Rfc1 Rd7 23.Qc3 Rf7 24.f3 Rg7 25.e4 f4 (25...Qg5 26.Re1+=) 26.Re1 (26.Qd2 Qf6+–) 26...Qe5 27.Qe5 (27.Rc6 Qc3 28.Rc3 Rde7+–) 27...de5 28.Rc6 Kf8 29.Rec1 Ke8 30.Re6 Rge7 31.Rcc6 Kd8 32.Re7 Re7 33.g3 g5 34.Kg2 Rg7 35.Re6 Re7 36.Rf6 Rg7 37.Rf5 Kd7 38.Re5 Kd6 39.Re6 Kc5 40.Rc6 (40.Kh3 h5+–) 40...Kb4 41.d6 cd6 42.Rd6 Ka4 43.Rb6 Rc7 (43...Kb4!?+–) 44.Rb8 Rc5 45.b6 Rb5 (better 45...Kb5!?+–) 46.b7+– Kb4 (46...Rb2 47.Kh3 fg3 48.hg3+–) 47.gf4 (better 47.e5!? fg3 48.e6 g4+–) 47...gf4 48.Kh3 (48.e5 a4 (48...Re5?? 49.Rg8 Rb5 50.b8Q Rb8 51.Rb8 Kc5 52.Rf8+–) 49.h4 a3+– (49...Re5 50.Rd8 Rb5 51.b8Q Rb8 52.Rb8 Kc4 53.Rh8+–)) 48...a4 49.Kg4 (better 49.e5 a3 50.e6+–) 49...a3= 50.Kf4 Kb3 51.e5 (51.Rd8 Rb7 52.Rd3 Kb2 53.Rd2 Kb1 54.e5–+) 51...a2=+ 52.Ra8 Rb7 53.Kg5 Rg7 54.Kf6 Rg6 (54...Rg1 55.e6 Rf1 56.e7 Rf3 57.Kg7=) 55.Kf5 (55.Kf7 Rg1=) 55...Rh6 (better 55...Rg1!?–/+) 56.e6= Rh2 57.e7 Re2 58.Kf6 Kb2 59.f4 h5 ½–½. Toth,Tamas – Szilagyi,Gyula, HUN–chT3 Hungary, 1999.

8.Qc2 Bb7 9.0–0 Nc6 10.b5 Ne7 11.a4 a6 A) 12.Rfb1+= A1) 12...c6 13.d4 (13.d3 Qc7 14.e4 Nd7 15.bc6= 0.16) 13...ed4 14.Nd4 c5 15.Nb3+= 0.47; A2) 12...Re8 13.d3 (13.e4 Qd7 14.d3 ab5 15.ab5= 0.22) 13...Nd7 14.d4 ab5 15.cb5+= 0.28; B) 12.e4 B1) 12...c6 13.Rfe1 (13.Qd3 Qc7 14.Rfc1 Nd7 15.bc6= 0.13) 13...Nd7 14.Rad1 f5 15.d4+= 0.34; B2) 12...Qd7 13.d4 (13.Rfb1 Rfe8 14.Bc1 ab5 15.ab5= 0.22) 13...ed4 14.Nd4 Rfe8 15.Bf3+= 0.28; C) 12.d3 C1) 12...c6 13.d4 (13.Rfd1 Qc7 14.d4 ed4 15.Nd4+= 0.38) 13...ed4 14.Nd4 Re8 15.Bf3+= 0.53; C2) 12...Qd7 13.Rfb1 (13.Rfe1 Rfe8 14.e4 c6 15.bc6+= 0.41) 13...Ra7 14.e4 Rfa8 15.d4+= 0.44; D) 12.d4 D1) 12...ed4 13.ed4 (13.Nd4 Re8 14.Rfd1 Qd7 15.Rab1+= 0.34) 13...d5 14.c5 Re8 15.Rfe1+= 0.53; D2) 12...Nd7 13.Rfe1 (13.d5 f5 14.Ra2 Nc5 15.Rfa1= 0.22) 13...f5 14.Rad1 ab5 15.cb5+= 0.44.

8.Qc2 Bb7 9.0–0 Nc6 10.b5 Ne7 11.a4 c6 A) 12.Rfb1 A1) 12...Qc7 13.d4 (13.d3 a6 14.bc6 Bc6 15.d4+= 0.31) 13...ed4 14.Nd4 Rfc8 15.bc6+= 0.63; A2) 12...a6 13.d4 (13.d3 Qc7 14.d4 ed4 15.Nd4+= 0.34) 13...ed4 14.Nd4 c5 15.Nb3+= 0.44; B) 12.d4 B1) 12...ed4 13.Nd4 (13.ed4 Re8 14.Rfe1 Rc8 15.Qd2= 0.19) 13...a6 14.Bf3 Qc7 15.Rfd1+= 0.59; B2) 12...Qc7 13.de5 (13.Rfe1 Rfe8 14.de5 de5 15.e4+= 0.44) 13...de5 14.e4 Rfd8 15.Rfd1+= 0.44; C) 12.e4 C1) 12...Qc7 13.Rfb1 (13.Rfe1 a6 14.bc6 Bc6 15.d4+= 0.41) 13...a6 14.bc6 Bc6 15.d4+= 0.44; C2) 12...a6 13.Rfe1 (13.Qd3 Qc7 14.Rfc1 Nd7 15.bc6= 0.19) 13...Nd7 14.Rad1 f5 15.d4+= 0.34; D) 12.Rfd1 D1) 12...a6 13.d4 (13.bc6 Nc6 14.d4 Re8 15.de5+= 0.53) 13...ed4 14.Nd4 Re8 15.Bf3+= 0.59; D2) 12...Re8 13.d4 (13.d3 a6 14.d4 ed4 15.Nd4+= 0.50) 13...ed4 14.Nd4 a6 15.Bf3+= 0.59.

8.Qc2 Bb7 9.0–0 Nc6 10.b5 Ne7 11.a4 Nd7 12.d3 Nc5 (12...a6 13.d4+=) 13.a5 a6 14.ab6 cb6 15.ba6 Ra6 16.Ra6 Ba6 17.Rd1 f5 18.d4 Nd7 (18...ed4!? 19.ed4 Ne6+/–) 19.de5+– Ne5 20.Ne5 Be5 21.Qb3 Kg7 (21...Rf7 22.Nb5 Bb5 23.Be5+– (23.Qb5?! Bb2 24.Qb2 Qc7+/–; 23.cb5?! Bb2 24.Qb2 Qc7+/–)) 22.Ne4!! fe4 (22...Qc7 23.Nd6 Bf6 24.Bf6 Kf6+–) 23.Be5 Kh6 24.Rd6 Qc7 (24...Qe8 25.Qb2 Qf7 26.Bf4 Qf4 27.ef4 Bc4 28.Bc4 e3 29.fe3 Nf5 30.g4 Ne3 31.Qf2 Nc4 32.Rd7 Rf7 33.Rf7 g5 34.fg5 Kg5 35.Qf5 Kh4 36.Rh7#) 25.Rg6! black resigned (25.Rg6 hg6 26.Bc7+–) 1–0. aspasio (2465) – rstilt (2275), net–chess.com, 2012.

8.Qc2 Bb7 9.0–0 Nc6 10.b5 Ne7 11.a4 e4 A) 12.Nd4 A1) 12...c5 13.Nb3 (13.bc6 Nc6 14.Nc6 Bc6 15.f3+= 0.38) 13...a6 14.Rfd1 Nf5 15.ba6+= 0.53; A2) 12...Re8 13.f3 (13.a5 c5 14.bc6 Nc6 15.Nc6+= 0.38) 13...c5 14.bc6 Nc6 15.Nc6+= 0.50; B) 12.Ne1 B1) 12...Nf5 13.f3 (13.a5 ba5 14.f3 a6 15.fe4+= 0.44) 13...Re8 14.a5 ba5 15.fe4+= 0.47; B2) 12...Re8 13.f3 (13.a5 ba5 14.f3 a6 15.Ne4+= 0.38) 13...Nf5 14.a5 ba5 15.fe4+= 0.47; C) 12.Ng5 C1) 12...Re8 13.Rab1 (13.f3 ef3 14.Bf3 Bf3 15.Rf3+= 0.63) 13...d5 14.cd5 Ned5 15.Bc4+– 0.72; C2) 12...h6 13.Nce4 (13.Nh3 Re8 14.f3 Nf5 15.fe4+= 0.47) 13...Ne4 14.Bg7 hg5 15.Bf8+– 0.72.

8.d4= ed4 9.ed4 (< 9.Qd4 Nc6 10.Qh4 Nb4=+) 9...Bb7 (9...a5 10.b5+=) 10.0–0+= Nbd7 11.Qc2 (11.d5 Ne4 12.Nd4 Nc3 13.Bc3 Re8+/–) 11...Re8 12.d5 Nh5 (12...a5 13.b5+=) 13.Rfe1 (13.Qd2 a5 14.b5 Nhf6+=) 13...Ne5 (13...Nf4!?+=) 14.Ne5+/– Re5 15.Nb5 Nf4 (15...Rg5!?+/–) 16.Be5+– Be5 17.Rab1 (17.Rad1 a5 18.a3 c6+/–) 17...a6 (17...c6 18.dc6 Bc6 19.f3+/–) 18.Na3 (18.Nc3 Qg5 19.Bf3 Re8+–) 18...Qf6 19.Bf1 (19.Bd3 c6 20.dc6 Bc6+–) 19...Bc8 (19...c6 20.dc6 Bc6 21.g3 Nh3 22.Bh3+/–) 20.Rb3 Bf5 21.Qd2 Qg5 22.Kh1 Qf6 (22...Re8 23.g3 Ne6 24.f4+–) 23.g3 Nh3 24.Bg2 (24.Bh3 Bh3 25.Rbe3 Bd4 26.Re8 Kg7+=) 24...Bg4 25.f3 (25.Bh3 Bh3 26.f4 Bd4+/–) 25...Bd7 26.Nc2 Qf5 (26...a5 27.f4 Nf4 28.gf4 Bf4 29.Qf2+–) 27.Ne3 (27.f4 Bg7+–) 27...Qh5 28.Nf1 Bg7 (28...b5 29.Ne3+–) 29.Re7 Ba4 (29...Rd8 30.Rbe3+–) 30.Ra3 Bh6 (30...b5+–) 31.Qe1 b5 (31...Bf8 32.Re4 (< 32.Ra4 Nf2 33.Qf2 Be7+–) 32...Ng5 33.Rh4 (< 33.Ra4 Ne4 34.fe4 Bg7+–) 33...Nf3 34.Bf3+– (34.Rh5?! Ne1 35.Rh4 Bc2+/–; < 34.Rf3 Qg5+–)) 32.g4 (32...Qg5 33.Bh3+–; < 32.Rc7 Bf8+–) 1–0. Gross – Cohn, tt DB–Holzmann, 1991.

7.Be2 c6

8.0–0 Qe7 9.d4 Nbd7 10.a3 ed4 (10...Re8 11.h3=) 11.ed4 (11.Qd4 Ne5+=) 11...d5 12.Re1 dc4 13.Bc4 Qd6 14.Qc2 Nb6 15.Ba2 (15.Bd3 Be6=) 15...Bf5 16.Qb3 Rad8 17.Na4 Na4 18.Qa4 a6 19.Qb3 Be4 20.Ne5 Bd5 21.Qh3 Ba2 22.Ra2 Nd5 23.g3 (23.Raa1 Rfe8=+) 23...Rfe8 24.Raa1 (24.Qf1 Re7=+) 24...Nb6–/+ 25.Ng4?? (better 25.Rac1–/+) 25...Na4–+ 26.Re8 (26.Nh6 Bh6 27.Qh6 Nb2–+) 26...Re8 27.Rb1 (27.Nh6 Bh6 28.Qh6 Nb2–+) 27...Nb2 28.Rb2 (28.Ne3 Qd4 29.Qf1–+) 28...Re1 29.Kg2 Qd5 30.f3 Qd4 (30...Bd4 31.Rf2 h5 32.Nh6 Kh7 33.Qh4 Bf2 34.Qf4–+) 31.Rf2 h5 32.Ne5 (32.Qh4 hg4 33.Qg4–+) 32...Be5 33.Qc8 Kg7 34.Qb7 Qe3 35.Qc6 Re2 36.Re2 (36.Qc5 Rf2 37.Kh3 Qe2 38.Qe5 Qe5 39.b5 g5 40.ba6 Qf5 41.g4 Qf3) 36…Qe2 (36...Qe2 37.Kh3 Qf1 38.Kh4 Qg2 39.Kg5 Qd2 40.f4 f6 41.Qf6 Bf6) 0–1. combijack (1765) – bluejaysnettetal (2020), gameknot.com, 2018.

8.a3 Be6 9.Qc2 Na6 10.Ng5 Bd7 11.d4 ed4 12.ed4 Re8 13.0–0 Nc7 14.Rfe1 h6 15.Nf3 Bf5 16.Bd3 Bd3 17.Qd3 Qd7 18.h3 Re1 19.Re1 Re8 20.Re8 Nce8 21.d5 Qe7 22.dc6 bc6 23.Kf1 Nc7 24.Nd4 c5 25.Nc6 Qe6 26.b5 d5 27.cd5 Nfd5 28.Nd5 Bb2 29.Nc7 Qa2 30.Qd8 Kg7 31.Ne8 Kh7 32.Qd7 Qb1 33.Ke2 Qe4 34.Kd1 Qb1 35.Ke2 Qc2 36.Kf1 Qc1 37.Ke2 Qc4 38.Kf3 g5 39.g4 Qf4 40.Kg2 Kg6 41.Qd3 f5 42.gf5 Kf7 43.Qd7 Kf8 44.Qe7 Kg8 45.Qe6 Kf8 46.Qe7 Kg8 47.Nf6 Bf6 48.Qf6 Qe4 49.f3 Qe2 50.Kg3 Qe1 51.Kg2 Qe2 52.Kg3 Qe1 53.Kg2 Qe2 ½–½. Adamkosh (1930) – VihrenkoAlex (2040), lichess.org, 2020.

8.d3 Na6 9.a3 Nc7 10.0–0 Nfe8 11.Qb3 f5 12.b5 Ne6 13.Rfd1 Nf6 14.a4 Kh8 (14...f4 15.e4=) 15.Ba3 (15.d4 e4 16.Nd2 Qa5+=) 15...Rg8 (15...f4 16.e4=) 16.Rab1 (16.c5 Ne8+=) 16...c5+= 17.Qc2 b6 18.Bb2 Bb7 19.Nd2 g5 20.Bf3 Bf3 21.Nf3 (worse 21.gf3 a6=+) 21...Qe8 22.a5 Qh5 23.ab6 ab6 24.Qe2 g4 25.Ne1 f4 26.Ne4 Raf8 (26...Ne4 27.de4 Qg6 28.ef4 Nf4 29.Qc2+=) 27.Ra1 (27.Nd6!? f3 28.Qf1+= (worse 28.gf3 gf3 29.Nf3 Ng4–+)) 27...f3 28.Qf1 (28.Qc2!?=) 28...fg2 29.Qg2 Ne4 30.de4 Ng5 31.Rd2? (better 31.Kf1–/+) 31...Nf3–+ 32.Nf3 gf3 33.Qh1 (33.Qf1–+) 33…Qh3 (33...Qh3 34.Qf3 Qf3 35.Kf1 Bh6 36.Ra8 Qg2 37.Ke1 Qg1 38.Ke2 Rf2 39.Kd3 Rd2 40.Kd2 Qe3 41.Kc2 Qd2 42.Kb3 Qd1 43.Kc3 Be3 44.Rg8 Kg8 45.h3 Bd4) 0–1. Bougot,Joel (1620) – Bollore,Herve (1970), Nat.3 groupe, 1999.

8.d4 ed4!? 9.ed4 d5=.

8.d4 e4 9.Nd2 d5 10.0–0 Be6 11.a4 Nbd7 12.c5 Ne8 13.b5 f5 (13...Qg5 14.f4 Qf6 15.Rb1=) 14.f3 (14.Qb3 Nc7+=) 14...ef3 (14...f4 15.fe4 fe3 16.Rf8 Nf8 17.Nf3 de4 18.Ne4+=) 15.Nf3+= Nc7 (15...Nef6 16.a5+=) 16.a5 cb5 17.Nb5 a6 18.Nd6 Rb8 (18...Ne8 19.Nb7 Qc7 20.Ng5 Qb7 21.Ne6 Qb2 22.Nf8 Bf8 23.Rb1+=) 19.Qd2 (19.Ba3!?+–) 19...Ne8+= 20.Ne8 Qe8 (20...Re8 21.Rab1+=) 21.Rfc1 (21.Ba3!? Rf7 22.c6 bc6 23.Ng5+=) 21...Nf6= 22.Bd3 Ne4 23.Qe2 (23.Qb4 Bh6 24.Re1 Qe7=) 23...Qc6 24.Ba3 Rf7 25.Rab1 Rc7 (25...Re8 26.Rb6 Qa4 27.Bb4+=) 26.Rb6 (26.Ba6 Qa4 27.Qd3 Qa5+=) 26...Qe8 (26...Qa4 27.Bb2 Re8 28.c6 Qa5 29.Rb7 Rb7 30.cb7+=) 27.Qb2 Bd7 (27...Bh6!? 28.Re1 Rc6+–) 28.Ba6!+– Bc6 (28...ba6 29.Rb8 Pinning (29.Rb8 Deflection)) 29.Bb5 (29.Qb3 Qe6+–) 29...Bb5 30.Rb5 Nd6 31.Rb3 Bh6? (better 31...Nc4 32.Qc3 Re7+=) 32.Ne5 (better 32.cd6!? Be3 33.Re3 Qe3 34.Kh1 Rc1 35.Qc1 Qc1 36.Bc1+–) 32…Bg7 1–0. tsodikovich (1820) – maestro0810 (1705), gameknot.com, 2016.

8.d4 e4 9.Nd2+= d5 10.a4 a5 11.b5 h6 (11...dc4 12.Bc4 Re8 13.Qc2+=) 12.Qb3 Re8 13.0–0–0 (better 13.cd5!? cd5 14.0–0+=) 13...Be6 14.c5 White plans b6 (14.bc6 Nc6 15.cd5 Bd5=+) 14...Nbd7 (14...b6 15.cb6 Qb6 16.Rdf1=+) 15.b6= Bg4 16.h3 Be2 17.Ne2 Nh7 18.Rde1 Nhf8 (18...Qe7 19.Nc3=+) 19.Kb1 (19.f3 f5=) 19...Ne6 20.Qc2 Qe7 21.Nb3 f5 22.g3 (22.Nc3 Qh4=) 22...g5 (22...Qf7 23.Nd2=) 23.h4 Rf8 (23...g4!?=) 24.hg5+= hg5 25.Reg1 Nf6 26.Bc3 Kf7 27.Kb2 Rh8 28.Rh8 (28.Rd1 Rh1 29.Rh1 Ke8=) 28...Rh8 29.Rg2 (29.Rf1 Rh2=+) 29...Nh5 (29...Ke8 30.Na5 Kd8 31.Nb3=+) 30.Nec1 (30.Rh2 Ke8=) 30...f4 31.gf4 gf4 32.Na5 Bh6 (32...Ke8 33.Nab3=) 33.Qd1 (33.Rh2 Neg7+=) 33...f3= 34.Rh2 Nf6 35.Qh1 Ng4 36.Rh5 Nf2 37.Rf5? (better 37.Qf1 Ng4 38.Qh3=) 37...Kg6–+ 38.Qh5 Kg7 39.Qh2 Be3 (39...Nd1 40.Kb3 Ne3 41.Qg3 Kh7 42.Rh5–+) 40.Qe5 Kg6 41.Nb7? (better 41.Qh8 Kf5 42.Ncb3–+) 41...Bc1 (41...Qb7?? 42.Qf6 Kh7 43.Rh5 Bh6 44.Rh6 Kg8 45.Rh8) 42.Kb3 (42.Kc2 Rh1 (42...Qb7?? 43.Qf6 Kh7 44.Rh5 Bh6 45.Rh6 Kg8 46.Rh8) 43.Nd6 Be3 44.Qg3 Ng5–+) 42...Nd3 (better 42...Rh3!? 43.Nd6 Ng4 44.Rf7 Nc5 45.Kc2 Qe5 46.de5–+) 43.Qh8 Kf5 44.Nd6 Kg4 45.Qg8 Bg5 46.Nf7 (46.b7 f2 47.b8Q–+) 46...f2 47.Nh6 (47.Ng5 Nec5! 48.dc5–+) 47...Kf3 48.Nf5 Qf6 (48...f1Q 49.Nh4 Kf2 50.Ka2 Qe2 51.Kb1 Qd1 52.Ka2 Qc2 53.Ka1 Qc3 54.Kb1 Qb2) 49.b7 (49.Ng3 Kg3 50.b7–+) 49...f1Q 50.b8Q Qb1 51.Ka3 Qb8 (51...Bc1 52.Qb2 Bb2 53.Kb3 Bc3 54.Kc3 Qb2) 52.Qb8–+ Qf5 53.a5 (53.Qh2 Be3 54.Qh8 Qg6–+) 53...Qf4 (53...Qf4 54.Qb1 Qe3–+) 0–1. Pisarsky,Georgy (2080) – Ignatov,Anatoly (1970), sfo–vet–08, 2008.

8.d4 Re8 9.de5+/– de5 10.Qd8 Rd8 11.Ne5 Be6 12.0–0 (12.a3 Nbd7 13.Na4 a5 14.Nd7 Nd7 15.Bg7 Kg7+/–) 12...Na6 (better is 12...Rd2 13.Rab1 Nfd7+=) 13.b5+/– cb5 14.cb5 (worse is 14.Nb5 Rd2 15.Bf3 Rb2 16.Bb7 Ne8+=) 14...Nc5 15.Ba3 (better is 15.Rfd1!?+/–) 15...Nce4 16.Bf3? (better is 16.Ne4 Ne4 17.f4=) 16...Nc3–/+ 17.Bb7 Nb5 18.Ba8 Na3 19.Bc6? (19.Bf3 h5–/+) 19...Nc4 (better is 19...Ng4!? 20.Ng4 Ba1 21.Nh6 Kg7 22.Nf7 Kf7 23.Ra1 Rd2–+) 20.Nc4–/+ Bc4 21.Rfc1 (21.Rfd1 Rc8 22.Bf3 Nd5 23.Bd5 Bd5–/+) 21...Bd5 (better is 21...Nd5!? 22.Bd5 Bd5–+ (22...Rd5?! 23.Rab1 Ba2 24.Rb8 Bf8 25.Ra8–/+)) 22.Bd5 Nd5 23.Rab1 Nc3 24.Rb7?? (better is 24.Rb2+=) 24...Ne2–+ (24...Ne2 25.Kf1 Nc1–+) 0–1. mikebaldini (1655) – bolshie (1645), gameknot.com, 2015.

7.Be2 Nc6

8.a3 Bd7 9.h4 (9.Qc2 Re8=) 9...a5 (9...e4 10.Nd4=+) 10.b5= Ne7 11.Ng5 c6 (11...d5 12.0–0=) 12.Qc2 (12.Rc1 h6 13.Nge4 Ne4 14.Ne4 Bf5=) 12...h6 13.Nge4 (13.Nf3 Qc7=) 13...Ne4=+ 14.Ne4 Be6 (14...d5 15.Nd6=+) 15.g4 (15.bc6!? bc6 16.h5=) 15...f5 (15...cb5 16.c5 dc5 17.g5 hg5 18.h5=+) 16.gf5=+ Bf5 17.Bd3 (17.bc6 bc6 18.d3 d5=+) 17...Qd7 (17...d5!? 18.Ng3 Bd3 19.Qd3 cb5 20.cb5 Rc8–/+) 18.a4 (18.bc6 Qc6 (worse 18...Nc6 19.Rc1+=) 19.Rc1 Rac8=) 18...cb5 19.cb5 (19.ab5 Rfc8 20.Nc3 Qe6 21.Bf5 Nf5=+ (worse 21...Qf5 22.Qf5 gf5 23.Na4+–)) 19...Rac8–/+ 20.Qb1 d5 21.Ng3 Bd3 22.Qd3 Qe6 23.Qb3 (23.h5 e4 24.Qb3 Qf7–/+) 23...Kh7 (23...Rc4 24.Rc1 Nf5 25.Nf5 Qf5 26.Rc4 Qf2 27.Kd1 Qf3 28.Kc2 Qh1 29.Rc7=+) 24.Rc1 (24.h5 g5–/+) 24...Rc1 25.Bc1 Qg4 (25...e4!?–/+) 26.Ba3= Rc8 (better 26...Nf5 27.Bf8 Ng3 28.fg3 Qg3 29.Kf1 Qf3 30.Kg1 Qg3 31.Kf1 Qf3 32.Kg1 Qg3 33.Kf1=) 27.Ne2 (27.h5!? gh5 28.Rh5=) 27...Nf5 (27...Qf3 28.Rh2 Nf5 29.h5 gh5 30.Qb1–+) 28.Qd5 (28.h5 Qc4 29.hg6 Kg6=+) 28...Qa4=+ 29.Bb2 (29.Bc1 Rc7–/+) 29...Qb4 (29...Qc2 30.Bc1 (30.Qb7 Rc7 31.Qd5 Rc5–+) 30...Rc7 31.h5–/+) 30.Bc3?? (30.h5 g5 31.Qd7–+ (31.Qb7? Nd6 32.Qd5 Qb2–+)) 30…Qb1–+ (30...Qb1 31.Nc1 Qc1 32.Ke2 Qc2–+) 0–1. combijack (1870) – ydebilloez (1750), gameknot.com, 2018.

8.a3 e4!? 9.Nd4 Nd4 10.ed4 d5=+.

8.a3 e4 9.Ng5 Qe7 (9...h6 10.b5 hg5 11.bc6 bc6 12.Rb1–/+) 10.h4 (10.f3 ef3 11.Nf3 a5=) 10...h6=+ 11.Nh3 Be6 (11...Ne5 12.Nf4=+) 12.Nf4= Ne5 13.Ncd5 (13.Ne6 Qe6 14.Nb5 Nc4 15.Bf6 Qf6=) 13...Nd5=+ 14.cd5 Bd7 15.Qb3 a6 16.Rc1 Rac8 17.g3 (better 17.d4 ed3 18.Nd3 Nd3 19.Bd3=) 17...Bg4?? (better 17...Bb5=+) 18.Be5+– Be2 (18...de5 19.Ng6 Qf6 20.Bg4 (20.Nf8 Be2 21.Ne6 Bg4–/+) 20...Qg6 21.Bc8 Rc8 22.0–0+–) 19.Bg7 (19.Ke2 de5 (worse 19...Be5 20.Qb1+=; 19...Qe5?! 20.d3=) 20.Ng2 Qd7–/+) 19...Kg7 20.Ke2 f5 (20...Qd7+–) 21.Ne6 Kh7 (21...Kg8 22.Nf8 Rf8 23.b5 ab5 24.Qb5+–) 22.Nf8 Qf8 (22...Rf8 23.Rc4 Qd7 24.Rhc1+–) 23.Qb2 1–0. combijack (1800) – speedygonsales (1660), gameknot.com, 2018.

8.a3 Nh5 9.b5 Ne7 (9...Na5 10.Qa4 b6 11.h4=) 10.Ng5 (10.0–0 Bf5+=) 10...f6 (10...h6 11.Nge4=) 11.Nge4 (11.Nf3 f5+=) 11...f5= 12.Bh5 (12.Ng5 h6 13.Nf3 a6=) 12...fe4 (12...gh5!? 13.Ng3 h4=) 13.Be2+= Bf5 14.g4 Be6 15.Ne4 Nc8 (15...a6 16.Ng5 Qd7 17.h4+–) 16.h4 (16.0–0+–) 16...Nb6 (16...d5 17.Ng5 dc4 18.Qc2+–) 17.Qc2+– Qe7 (17...Qc8 18.f3 Nc4 19.Bc4+–) 18.g5 (18.h5!?+–) 18...Qf7+– 19.Rc1 Rad8 (19...Bf5!?+–) 20.h5+– d5 21.Nc5?? (better 21.cd5 Bf5 22.f3+–) 21...Qf2–+ 22.Kd1 Bf5 (better 22...Qg2 23.Qd3 Qh1 24.Kc2–+) 23.Nd3?? (23.Qb3 Qg2 (23...dc4?! 24.Rc4 Nc4 25.Qc4 Rf7 26.Nb7–/+) 24.Re1 Bg4 (24...Nc4?! 25.Rc4 dc4 26.Qc4 Rf7 27.Bc3–+; 24...dc4?! 25.Rc4 Nc4 26.Qc4 Rf7 27.Bc3–+) 25.cd5 Be2 (25...Rd5?! 26.e4 Rf2 27.ed5 Be2 28.Re2 Re2 29.Qd3=; worse 25...Nd5 26.Bg4 Qg4 27.Kc2+–) 26.Re2 Rf1 27.Re1 Rd5–+) 23...Bd3 (better 23...Qg2 24.Rf1 Bg4–+) 24.Qd3–/+ dc4 (24...Qg2 25.Rf1 Rf1 26.Bf1 Qg5 27.hg6–/+) 25.Qe4=+ Nd5?? (better 25...Rd2! 26.Kd2 Rd8 27.Kc2 Qe2 28.Kb1 Qd3 29.Qd3 cd3=) 26.Bc4+– c6 27.bc6 bc6 28.h6 (better 28.hg6 hg6 29.Qg6+–) 28...Rf7? (28...Bh8 29.Re1 (29.Be5?! Rfe8 30.Qf4 Qg2 31.Bh8 Qh1 32.Kc2 Qe4 33.Qe4 Re4+=) 29...Rf7 30.Bd3+–) 29.Rc3?? (29.Kc2 Bh8 30.Rcf1 Qg3+–) 29...Nc3? (better 29...Bh8+–) 30.Bc3+– Bh8 31.Rf1 Qf1 32.Bf1 Rf1 33.Kc2 Rf5 34.Qc4 Kf8 (34...Rf7+–) 35.Bb4 (35.Bb4 c5 36.Bc5 Rd6 37.Bd6 Ke8 38.Qe6 Kd8 39.Qe7 Kc8 40.Qc7) 1–0. combijack (1825) – elmerx25 (1810), gameknot.com, 2018.

8.Qb3 e4!? 9.Nd4 Nd4 10.ed4 a5 +=.

8.b5 Nb8 9.d4 ed4 10.Nd4 a6 11.a4 Re8 12.0–0 ab5 13.ab5 Ra1 14.Qa1 Nbd7 15.Rd1 Nc5 16.Bf3 Bg4 17.Nd5 Nd5 18.Bg4 Nb6 19.Qa2 (better 19.Qc1!?=) 19...Qa8–/+ 20.Qb1 Nc4 21.Be2 Nb2 22.Qb2 Qa4 23.Bf3 Ra8 24.Qe2 Qa2 25.Rd2 Qb1 (25...Qa1 26.Rd1 Qc3 27.Bd5–/+) 26.Rd1=+ Ra1?? (better 26...Qa1!=+) 27.Qf1+– Qd1 28.Bd1 Ne4 29.Ne2 Bc3? (29...Nd2 30.Qe1 Nc4 31.h4+–) 30.g3 (better 30.Ng3!? Nd2 31.Qe2 d5+–) 30...Nd2 31.Qh3 (31.Nc3? Nf1 32.Kf1 Rc1–+) 31...Rd1 32.Kg2 Ba5 33.Qc8 Kg7 34.Qb7 Nc4 35.Qa8 (better 35.Qe4 Nb2 36.Nf4+–) 35...Rd2= 36.Nd4 Ne3 37.Kh3 Nc4 38.Nb3 Rf2 (better 38...Ra2+–) 39.Qe4?? (better 39.Na5 Na3 40.Qa6+–) 39...Ne5+= 40.Na5 h5?? (40...Nf3 41.Qd5 Ng1 42.Kh4 Nf3 43.Kg4 f5 44.Kf4 Nh2 45.Ke3 Ng4 46.Kd3 Ne5 47.Kc3 Rf3 48.Kc2 Rg3+–) 41.g4! hg4 (41...Ng4 42.Kg3 Decoy; 41...hg4 42.Kg3 Combination) 42.Kg3 Ra2 43.Nc6 Ra3 44.Kg2 (better 44.Kf2 Ra2 45.Ke3 Ra3 46.Ke2 Ra2 47.Kd1 Ra1 48.Kc2 Ra2 49.Kc3+–) 44...Ra2= 45.Kg3 Ra3 46.Kg2 ½–½. Novikov,Konstantin Ivan (2215) – Kanygin,Nikolai N (2145), RUS–ch Seniors, 2004.

8.b5 Ne7 9.0–0 Re8 10.d4 e4 (10...ed4!? 11.Nd4 Nf5=) 11.Nd2+= Nf5 (11...d5 12.Ba3+=) 12.Re1 (12.Qc2!?+–) 12...c6 13.a4 Qe7 (13...c5 14.dc5 dc5 15.Qc2+=) 14.a5 (14.g4 Nh4 15.bc6 bc6+=) 14...a6 (14...c5!?+=) 15.ba6 ba6 16.Qc2 (16.g4 Nh4+=) 16...h5 17.Na4 d5 18.Nb6 Rb8 19.Ba3 Qe6 20.Rab1 Bh6 21.Nf1 Bb7 22.Rb3 Nh4 23.Reb1 Bc8 24.Nd5 Rb3 25.Nf6 Qf6 26.Rb3 Qg5 27.Ng3 Ng2 28.Kg2 h4 29.Bb2 (29.Bc5!? hg3 30.hg3 Qf5+–) 29...hg3+– 30.hg3 Qa5 31.Qc3 Qc3 32.Bc3 Bg7 33.c5 Be6 34.Rb6 Bd5 35.Ba5 f5 36.Ra6 Rf8 37.Bc7 g5 38.Ra4 (38.Bd6 Rc8+–) 38...Bh6 (38...Rf7 39.Bd6 Kh7 40.Bh5+–) 39.Bc4 Bc4 40.Rc4 f4 41.gf4 gf4 42.ef4 Bf4 (42...Rf7 43.Be5 Bf4 44.Bf4 Rf4 45.Rc3+–) 43.Bf4 Rf4 44.Rb4 (better 44.Rc3!?+–) 44...Kf7+– 45.Rb6 Rf6 46.Rb8 Ke7 47.Rg8 Kd7 48.Rg4 Re6 49.Rg7 Kd8 50.Kf1 e3 51.f3 e2 52.Ke1 Re3 53.Rg6 Kd7 54.Rd6 Kc7 55.f4 Rf3 56.Ke2 Rf4 57.Ke3 Rh4 58.Rf6 Kd7 59.Rg6 Kc7 60.Rg7 Kd8 61.Rf7 Rg4 62.Rf4 Rg5 63.Ke4 Ke7 64.Rh4 Rd5 65.Rh6 Kd7 66.Rh7 Kd8 67.Rf7 Rh5 68.Rf5 Rh1 69.Ke5 Ke7 70.Rf4 (better 70.Rg5!?+–) 70...Rh5= 71.Ke4 Ke6 (71...Rg5 72.Rf1 Rg4 73.Kd3 Rg2+–) 72.Rg4 Kf7 73.Rg3 Ke7 74.Rg7 Kd8 75.Rf7 Rg5 76.Rf5 Rg1 77.Rh5 Ke7 78.Rh4 Rg5 79.Rh7 Kd8 80.Rf7 Rh5 81.Rf5 Rh1 82.Rf7 (82.Rf6 Kd7+–) 82...Rh5 83.Rb7 Kc8 84.Ra7 Kd8 85.Rf7 Kc8 (85...Rg5 86.Kd3+–) 86.Ra7 Kd8 87.Rg7 Kc8 88.Kd3 Rh1 89.Kc4 Rc1 90.Kb4 Ra1 91.Rg3 Kd7 92.Rg7 Kc8 93.Kc4 Rd1 (93...Rc1 94.Kb3 Kd8+–) 94.Rg5 Kd7 ½–½. Melich,Jindrich (2080) – Heyda,Jan (2145), CZE–chT2a, 2006.

8.b5 Ne7 9.d4 ed4 10.Nd4 Nd7 11.0–0 Nc5 12.Bf3 Nf5 13.g3 h5 14.Na4 Qg5 15.Nf5 Bb2 16.Nh6 Qh6 17.Nb2 h4 18.Qd4 (18.Nd3 Nd7+=) 18...hg3 19.hg3 Bf5 20.Rfe1 Rae8 21.e4 Bc8 22.Nd3 Nd3 23.Qd3 Re5 24.Bg2 Rfe8 25.f4 Rc5 26.Kf2 Qg7 27.Rad1 (27.Rab1 Be6 28.Rb4 Qf6=+) 27...Be6=+ 28.Rc1 Qf6 (28...Qb2!? 29.Qe2 Qe2 30.Re2 Bc4=+) 29.Bf3=+ Kg7 30.Ke3 Rh8 31.Qd4 b6 32.Rh1 Rh1 33.Bh1 Qd4 34.Kd4 Rh5 35.Bf3 Rh2 36.a3 Rd2 37.Ke3 Ra2 38.Rc3 f6 39.g4 (39.Kd4 Rd2 40.Ke3 Rh2=) 39...g5=+ 40.f5 Bc8 41.Be2 Kf8 42.Bf3 Ke7 43.Kd4 a6 44.Ke3 Kd8 45.Bd1 Rb2 46.a4 Rh2 (46...Bb7 47.Rc2 Rb3 48.Kd4=+) 47.Ra3= a5 48.Rc3 (48.Bf3 Rc2 49.Kd3 Rf2=) 48...Ke7 49.Rc2 Rh1 50.Rd2 Bd7 51.Bf3 Ra1 52.Rh2 Ra3 53.Kf2 Ra2 54.Kg3 Rh2 55.Kh2 Be8 56.Kg3 Bf7 (56...c6 57.Be2=+) 57.Be2= c6 58.bc6 Kd8 59.Kf3 Kc7 60.Ke3 Kc6 61.Kd4 Be8 62.Bd1 ½–½. Sourgkounis,A (1975) – Petrakis,I (2115), 46th TCh–GRE, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.e3 0–0 6.Be2 e5 7.Nc3 Nc6)

8.b5 Ne7 9.e4 Nd7 (9...a6 10.a4=) 10.0–0 f5 (10...Nc5 11.d4 ed4 12.Nd4=) 11.d3 (11.d4 ed4 12.Nd4 Nc5+=) 11...Nf6 (11...Nc5 12.Qc2=) 12.h3 (12.Qb3 Qd7+–) 12...Be6 (12...c5 13.bc6 Nc6 14.Qc2+=) 13.Ng5 Bd7 14.Qb3 (14.c5 d5 15.Qb3+=) 14...Kh8 (better 14...c5!?+=) 15.c5+– Qe8 (15...dc5 16.Na4 c4 17.Qc4+–) 16.cd6 cd6 17.Nd5 (better 17.Ba3!? h6 18.Nf3+–) 17...Ned5+= 18.ed5 h6 Black intends e4 (18...Bb5 19.Ne6+=) 19.Ne6 Be6 20.de6 Qe7 (20...d5 21.Be5 Qe6 22.f4+=) 21.Bf3 (21.Rac1 Rae8+–) 21...Rae8 (21...e4 22.de4 fe4+=) 22.a4 (better 22.Rfe1!?+–) 22...e4= 23.Be2 (23.de4!? fe4 24.Be2 Qe6 25.Qe3=) 23...Qe6–/+ 24.Qe6 Re6 25.d4 Ree8 (25...Re7 26.Rac1–/+) 26.Ba3 (26.Rac1 Nd5 27.g3 e3=+) 26...Rd8 (26...e3 A) 27.Bd6? ef2 28.Rf2 Ne4 29.Bf8 Bd4 30.Bh6 Nf2–+ (30...Ba1?! 31.Rf1 Bd4 32.Kh2=+; 30...Bf2?! 31.Kh2–/+); B) 27.f3 Nd5 28.Rac1 Bd4 29.Bd6–+) 27.Rac1 (27.Rfd1 Nd5 28.Rac1 Nf4–/+) 27...Rf7 (27...Nd5 28.Rfd1–/+) 28.Bc4 (28.Rfd1 Nh5–/+) 28...d5 29.Be2 (29.Bb3 Bf8 30.Bf8 Rdf8–/+ (30...Rff8?! 31.Rc7=)) 29...Nd7 (29...Nh7 30.Rfd1–/+) 30.Rfd1 (30.Rc7 Ne5 31.Be7 Re8 32.de5 Ree7 33.Re7 Re7–/+) 30...Nf8 31.Bc5 b6 (better 31...Ne6 32.a5 Ra8–/+) 32.Bb4? (better 32.Ba3!?–/+) 32...Ne6–+ 33.a5 (33.Bc3 Rc8–+) 33...Nd4 34.Rd4 (34.Bf1–+) 34...Bd4 35.a6 (35.Rc6 Kg7–+) 35...Be5 (35...Kg7 36.Rc6–+) 36.g3 (36.Bd2 Kg7–+) 36...Rc7 (36...Kg7 37.Rc6–+) 37.Rc6 Rc6 38.bc6 Bc7 (38...d4 39.Bc4 d3 40.Bb3–+) 39.Bb5 (39.Kf1 Kg7–+) 39...d4 40.Be7 (40.Kf1 Kg7–+) 40...Re8 (better 40...Rd5 41.Bc4 Ra5 42.g4–+) 41.Bf6 Kh7 42.Bd4 Rd8 43.Be3 h5 (43...g5 44.f4–+) 44.Kg2 Kg7 45.h4 (45.f3 Kf6–+) 45...Kf7 (45...Kf8 46.f3–+) 46.Bc4 (46.f3 Ke8–+) 46...Ke8 47.Bg5 (47.f3 Rd6–+) 47...Rd6 (47...Rd4 48.Be2–+) 48.Bb5 (48.Be2 Rc6 49.Bb5 Kd7–+) 48...Rd5 49.Ba4 (49.Be2 Rc5–+) 49...Ra5 50.Bf4 (50.Bd1 Ra6 51.Be2–+) 50...Bf4 (better 50...Ra4 51.Bc7 Ra6–+) 51.gf4 (better 51.c7 Ra4 52.c8Q Ke7 53.gf4+–) 51...Ra4–+ 52.c7 Kd7 53.c8Q Kc8 54.f3 b5 (54...b5 55.Kg3 e3 56.Kg2 Ra1 57.Kg3 Ra2 58.Kh3 e2 59.Kg3 e1Q 60.Kh3 Qf1 61.Kg3 Qg2) 0–1. Lee Wing Kin – Harsh Udassi, Hong Kong Open, 2016.

7.Be2 e4!

8.Nd4 a5 9.ba5 Ra5 +=.

8.Nd4 a5 9.ba5 Nbd7 10.0–0 +=.

8.Nd4 Nbd7 9.0–0 Ne5 10.d3 (10.Qc2 c5 11.Nb3 Nd3 12.bc5 dc5=) 10...c5+= 11.Nc2 ed3 12.Bd3 Nd3 13.Qd3 Bf5 14.Qe2 Bc2 15.Qc2 cb4 16.Nb5 a6 17.Nd4 d5 18.c5 Rc8 19.Rac1 Ne4 20.c6? (better is 20.Qa4–/+) 20...bc6–+ 21.Nc6 Rc6! 22.Qc6 Bb2 23.Rc2 Be5 24.Qa6 Qh4 25.g3 Qe7 26.Qd3 Rd8 27.Rb1 h5 28.Qb5 Bc3 29.Rd1 Qe6 30.Qa5 Rd6 31.Qb5 h4! 32.Qe2 (32.gh4 Qg4 Double attack) 32...Qh3 33.Qb5 (33.Qf1 Qf5 34.Qb5 Ng5 35.Qb8 Kg7 36.Qd6 Qc2 37.Qd5 Nh3 38.Kg2 Nf2–+) 33...Qf5 (33...Ng5!? 34.Qe2–+) 34.Qe2 Kg7 35.f3 (35.g4 Qf6–+) 35...Ng5 36.e4 Nf3 37.Kg2 (37.Kh1 Qg4 38.ed5 hg3–+) 37...h3 (37...de4!? 38.Rd6 Ne1 39.Kh1 Nc2 40.g4–+) 38.Kh1 Qh5 (better is 38...Qf6!? 39.Rf1 de4 40.Qe4–+) 39.ed5 0–1. Lychkova,Ludmila (1935) – Yandarbiev,Ruslan (2405), Soukhumi op, 2007.

8.Nd4 Re8 9.0–0 Nbd7 10.Qb3 Ne5 11.f4 Nc6 12.Nd5 Bd7 13.Nc2 Nb8 (13...a6!?=) 14.b5+= h5? (better is 14...c5!?+=) 15.Qc3+– Re6 16.f5 gf5 17.Rf5 Ne8 (17...Re5 18.Re5 de5 19.Qe5+–) 18.Qb3 Bb2 19.Qb2 Ng7 (19...Rg6 20.Rf2 (worse is 20.Rh5 Ng7+/–) 20...Be6 21.Nf4+–) 20.Nf6 Kf8 21.Rf4 Re5 22.Ne4 f5 (22...Bf5 23.Ng3 Bg6 24.Bf3+–) 23.Nf2 Qe7 (23...a6 24.Nd3 Re4 25.Bf3 Rf4 26.Nf4+– (worse is 26.ef4 ab5 27.cb5 c6+–)) 24.d4 Re6 25.Bf3 c6 (25...Bc8 26.e4 Rf6 27.Ne3+–) 26.bc6 (26.bc6 Nc6 27.d5+–) 1–0. homerus (2185) – heaterhog (1795), gameknot.com, 2009.

8.Ng5 Re8 9.h4 (9.f3 d5 10.cd5 ef3 11.Bf3 h6=) 9...h6+= 10.Nh3 Nc6 11.b5 Ne5 12.Nf4 c6 13.a4 d5 14.cd5 cd5 15.d4 ed3 16.Bd3 (16.Nd3!? Nc4 17.Rc1–/+) 16...d4–+ 17.Nce2 de3 18.f3? (18.fe3 Nfg4 (18...Nd3?! 19.Qd3 Qd3 20.Nd3–/+) 19.Qd2 Nd3 20.Nd3 Re3–+) 18...Nd3 (better is 18...Nh5!? 19.Be5 Be5 20.Nh5 Qa5 (worse is 20...gh5 21.Rb1–+) 21.Kf1 Ba1 (21...gh5?! 22.Qe1 Qd8 23.Rd1–/+) 22.Qa1 gh5–+) 19.Qd3 Bf5 20.Qd8 Rad8 21.g4 (better is 21.Rc1–+) 21...Ng4 22.Bg7 Nf2 (22...Kg7?! 23.fg4 Bg4 24.Rg1–/+) 23.Rg1 (23.Bf6 Rd6 (23...Nh1?! 24.Bd8 Rd8 25.Ng2–+) 24.Rh2 Rf6–+) 23...Kg7 24.Ng3 Nd3 25.Nd3 Bd3 (worse is 25...Rd3 26.Nf5 Kh7 27.Ng3+=) 26.Rd1 Bc2 27.Rd8 Rd8 28.Ke2 Ba4 29.Ke3 (29.Rb1 Rd5 30.b6 Bb5 31.Ke3 a6–+) 29...Bb5 30.h5 (30.Nf5 Kh7 31.Nd4 Bc4–+) 30...Rd3 31.Ke4 Ra3 32.Nf5 Kf6 33.hg6 fg6 34.Nh6 Bc6 35.Kd4 Rf3 36.Ng8 Kf7 37.Nh6 Kg7 38.Ng4 Ra3 39.Kc5 Ra5 (39...Ra5 40.Kd4 Rg5–+) 0–1. Mezheritsky,Yuri (2090) – Tchoubar,Vladimir (2410), Kiev Independence Cup op, 1998. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 d6 5.Nc3 0–0 6.e3 e5 7.Be2 e4)

8.Ng5 h6–/+ 9.Nge4 Ne4–+ 10.Qc2 Bf5 11.Ne4 Bb2 12.Qb2 Be4 13.d3 Bg2 14.Rg1 Bh3 15.Bh5 Nc6 16.Bg6 fg6 17.Rg6 Kf7 18.Qg7 Ke8 19.Qh6 Nb4 (better is 19...Qd7 20.Rg7 Qf5 21.f4 Nb4 22.Qh4–+) 20.Qh3 Nc2?? (better is 20...Nd3!? 21.Ke2 Nc5–+) 21.Kd2 (21.Kd1 Na1 22.Rg7 Qe7 23.Re7 Ke7=) 21...Rf2 22.Kd1 Na1–/+ 23.Rg8 Rf8 24.Qh5 Kd7 25.Rg7?? Kc8–+ 26.Rf7 Rf7 27.Qf7 c5 0–1. Kory,Misha – Verhaeren,Gertjan, internet, 2003.

8.Ng5 h6 9.Nh3 Bh3 10.gh3 Na6 11.a3 c5 12.b5 Nc7 13.Qc2 Re8 14.a4 Qe7 15.Rg1 d5 16.Qb3 d4 17.ed4 cd4 18.Ba3 Qe6 19.Nd1 Nd7 20.Qg3 Ne5 21.Rc1 Nf3! 22.Kf1? Be5 23.Qg2 Nd2 24.Ke1 Nf3! 25.Kf1 Nh2 26.Ke1 Nf3! 27.Kf1 Nd2 28.Ke1 Nf3 29.Kf1 Ng1 30.Kg1 Bf4 31.Rb1 d3 32.Bg4 f5 33.Bh5 Kh7 34.Bb2 Rg8 35.Bf3 ef3 36.Qf3 Qe1 37.Kg2 Qe4 (38.Nc3 Qc4 39.Qb7 Rgb8–+) 0–1. Quast,Michael (2215) – Mauro,Christian, Bayern–chI Bank Hofmann 2nd, 1998.

8.Nd4 c5

9.Nc2 Nc6

10.a3 Ne5 11.d4 ed3 12.Bd3 d5 13.0–0? (better 13.cd5 cb4 14.Nb4=) 13...dc4–+ (13...Nc4?! 14.Bc4 dc4 15.bc5 Qd1 16.Rfd1=+) 14.Be2 Nd3 15.Bc1 (15.Bd3 cd3 (15...Qd3?! 16.bc5 Rd8 17.Qc1=+) 16.Ne1 c4–+) 15...Ng4 16.Bd2 Qh4 17.Bg4 Bg4 18.f3 Be5 19.g3 Bg3! 20.hg3 (20.hg3 Qg3 Combination) 20...Qg3 21.Kh1 Nf2?? (better 21...Qh4 22.Kg1 Bh3–+) 22.Rf2+= Qf2 23.fg4 Rad8 24.Ne4 Qh4 25.Kg2 f5 26.Nc5 (better 26.Qe2 fe4 27.Be1–/+) 26...Qg4–+ 27.Kf2 Qh4 Black plans f4 28.Kg2 (28.Ke2 Qh2 29.Ke1 f4–+) 28...f4 29.ef4 Rf4 30.Qe1 (30.Bf4 Rd1 31.Rd1 Qg4 32.Kf2 Qd1 33.Ne3–+) 30...Qg5 31.Kh3 (31.Qg3 Rd2 32.Kh1 Qg3 33.Nb7 Qg2) 31...Rf3 32.Kh2 Qh5 33.Kg2 (33.Kg1 Qg4 34.Qg3 Rg3 35.Kf2 Rd2 36.Ke1 Qe2) 33...Qg4 (33...Qg4 34.Qg3 Rg3 35.Kf2 Rd2 36.Ke1 Qe2) 0–1. Chaparro Grande,F (1605) – De La Cruz Sanchez,C G (2295), 9th Memorial Pedro Lezcano Montalvo, 2016.

10.a3 Ne5 11.d4 ed3 12.Bd3 Be6 13.Qe2 Nfg4 14.f4 Qh4 15.g3 Nd3 16.Qd3 Qh3 17.Qe2 Nf6 18.Nd1 cb4 19.ab4 Rac8 20.Na3 Rfe8 21.Rc1 Bg4 22.Qf1 Qh5 23.Bd4 Bf3 24.Rg1 Bd1 25.Rd1 Ng4 26.Qf3 Bd4 27.Rd4 Re3 (28.Qe3 Ne3–+) 0–1. Koerner,H – Purtov,Andrei (2455), Berliner Sommer, 1997.

10.bc5 dc5 11.d4 (11.Ba3 Qe7=+) 11...ed3 12.Bd3 (12.Qd3 Bf5 Decoy; 12.Bd3 Be6 Decoy) 12...Be6 (12...Bg4 13.Ne2=+) 13.Na3 Nb4 (13...Qe7 14.0–0–/+) 14.Be2=+ Ne4 15.Qb3?? (15.Ne4 Qd1 Double attack (15...Bb2 Pinning; 15...Bb2 Deflection; 15...Bb2 Clearance)) 15...Qd2–+ 16.Kf1 Nc3 (16...Nc3 17.Bc3 Qc3–+ (worse 17...Bc3 18.Rd1 Qb2 19.Nb5 Qb3 20.ab3–+); worse 16...Bc3 17.Bc3 Nc3 18.Re1–+) 0–1. jaddwarrior (2025) – katerinis (2510), ChessWorld.net, 2017. (=1.c4 Nf6 2.b4 e5 3.Bb2 d6 4.e3 g6 5.Nf3 Bg7 6.Nc3 0–0 7.Be2 e4 8.Nd4 c5 9.Nc2 Nc6)

10.b5 Ne5

11.0–0 Be6=+ 12.Na3 Re8 13.Qc2 Bf5 14.Qb3 h5! 15.Nd5 Nd5 16.cd5 h4 17.f4! ef3 18.gf3 h3 19.Kh1 Qh4 20.Qc3 Bf6 21.Nc4 Ng4 22.Qb3 Bb2 23.Nb2 Ne5 24.Nc4 Rad8 25.Rac1 b6 26.a4 Bc8! 27.f4 Bg4! 28.Bg4 Ng4 29.Rf3 Nf2 30.Kg1 Ne4 31.Qd1! Qg4 32.Rg3 Qf5 33.Qf3 Ng3 34.hg3 Kg7 35.g4 Qd3 36.Kh2 Re4 37.Rc3 Qd5 38.d3 Rd4 39.Qd5 Rd5 40.Kh3 g5 41.f5 Rh8 42.Kg3 Kf6 43.Kf3 Re5! 44.Ne5 Ke5 45.d4! Kf6 46.dc5 dc5 47.Rd3 Ke7 48.a5! Rh1 49.Ke4 Rb1 50.ab6 ab6 51.Ke5 f6 52.Kd5 Rb5 53.Ra3 ½–½. Sokolski – Kholmov, Kiev, 1954.

11.0–0 Bf5 12.Na3 Re8 13.f3 (13.h3 d5 14.Qb3 d4 15.ed4 cd4–+ (15...Qd4?! 16.Nc2 Qd6 17.Ne3+=)) 13...ef3 14.Bf3 Nf3 15.gf3 (15.Qf3!? Ne4 16.Rad1–/+) 15...d5–+ 16.Nd5 (16.Rf2 d4 17.Na4 Nh5–+ (worse is 17...de3 18.de3 Re3 19.Qd8 Rd8 20.Nc5–+)) 16...Nd5 17.Bg7 Ne3 (17...Kg7?! 18.cd5 Qg5 19.Kh1–/+) 18.de3 Qg5 (18...Kg7?! 19.Qd8 Rad8 20.e4–/+) 19.Kh1 Kg7 20.e4 Re4! 21.Qd5 Re2 22.Rg1 Rh2! (22...Rh2 23.Kh2 Qh4 24.Kg2 Bh3 25.Kh1 Bf1) 0–1. Di Pietro,Rosario (1665) – Palladino,Mario (2110), WQE008 – quartetto webserver n., 2009.

11.d4 ed3 12.Bd3 Nd3 13.Qd3 Bf5 14.Qe2 Ne4 15.Ne4 Bb2 16.Rb1 Qa5 17.Nd2 Qc3 0–1. Berlacki,Piotr – Unzicker,Wolfgang, Bad Woerishofen, 1992.

11.d4 ed3!–/+ 12.Bd3 Nd3 13.Qd3 Bf5 14.Qd2 Ne4 15.Ne4 Bb2 (15...Be4?! 16.Bg7 Kg7 17.0–0=) 16.Rb1 Be4 17.Rb2 Bg2 18.Rg1 Be4 19.Rg3 Qf6 20.Na3 d5! 21.Nb1 (21.cd5 Rad8 Decoy) 0–1. Konieczny,Franz – Parry,Andrew, IECG, 2004.

11.d4 ed3 12.Bd3 Be6 13.Qe2 Re8 14.0–0= Nd3 15.Qd3 Bf5 16.Qe2 Ne4 17.Ne4 Bb2=+ 18.Rab1 Be5 19.Ng3 Bc2 20.Qc2= Bg3 21.hg3 Qf6 22.Rbd1 Re6 23.Rd5 b6 24.Rfd1 (24...Rae8 25.Qd3+=). Ranby,Hans – Bivens, corr 3GMM–24, 1996.

9.bc5 dc5

10.Nb3 Na6 11.d3 =.

10.Nb3 Qc7 11.0–0 Re8 12.f3 ef3 13.Bf3 Na6 14.Nb5 Qe7 15.Na5 Nb4 16.Nb7 Bb7 17.Bb7 Rab8 18.a3 Rb7 19.ab4 cb4 20.Na7 Ra7 21.Bf6 Bf6 22.Rf6! Rea8 23.Ra7 Ra7 24.Rf4 Ra2 25.Rd4 Qf6 26.h3 Qf5 27.Qf1 Qf1 28.Kf1 Kf8 29.Ke2 Ke7 30.c5 b3 31.Rb4 Rb2 32.g4 Kd7 33.Rb6 h6 34.e4 h5 35.gh5 gh5 36.Ke3 Rb1 37.Kd4 (37...Kc7 38.Kd5+–) 1–0. Steinmann,Joachim – Dopper,Johan, corr 3GMM–F, 2001.

10.Nb3 b6

11.0–0 Bb7 12.f3 Re8 13.Rb1 Nbd7 14.fe4 Ne4 15.Ne4 Be4 (15...Re4? 16.Bg7 Kg7 17.Bf3+–) 16.d3 Bb2 17.Rb2 Bc6 18.Qd2 f5 19.d4 Qe7 20.Bf3 Bf3 21.Rf3 (< 21.gf3 Qe3 22.Qe3 Re3 23.dc5 Ne5–/+) 21...Nf6 22.h3 (22.Qd3 Ne4=) 22...Ne4=+ 23.Qc1 (23.Qd3 Rad8=+) 23...Rad8 24.Rc2 Ng5 25.Rf4 (25.Rff2!?=+) 25...Qe3 26.Qe3 Re3 (27.dc5 Ne6–/+) 0–1. Grehl,Siegfried – Dopper,Johan, corr 3GMM½–06, 1999.

11.0–0 Nc6 12.d4 cd4 (12...ed3!? 13.Qd3 Qd3 14.Bd3 Ne5+=) 13.ed4= Re8 14.d5 Ne5 15.Nd4 (15.Re1 Bf5=) 15...Neg4 (15...Bg4 16.Qc2+=) 16.Nc6 (16.h3!? Ne5 17.Qb3+=) 16...Qd6+= 17.g3 e3 18.f3 Nf2 19.Qc1 Nh5 20.f4 (20.Ba3 Qf6 21.Nb5 Qa1 22.Qa1 Nh3 23.Kh1 Ba1 24.Ra1 Nf2 25.Kg2 Bh3 26.Kg1=) 20…Nf4!–+ (20...Nf4 21.Qe1 N2d3 22.Bd3 Nd3–+) 0–1. Iacchetti,Giovanni – Manca,Renato, Monza Sociale op, 2006. (=1.c4 Nf6 2.Nc3 g6 3.Nf3 Bg7 4.b4 0–0 5.Bb2 d6 6.e3 e5 7.Be2 e4 8.Nd4 c5 9.bc5 dc5 10.Nb3 b6)

11.0–0 Nc6 12.f3 Bb7 (12...Re8!?+=) 13.fe4+– Re8 14.Qc2 (better 14.d3!?+–) 14...Nb4= Will e4 fall? 15.Qb1 (15.Qc1 Nd3 (worse 15...Be4 16.Ne4 Ne4 17.Bg7 Kg7 18.a3+=) 16.Bd3 Qd3=+ (16...Ne4? 17.Ne4 Bb2 18.Qb2 Be4 19.Be4 Re4 20.Rf6+–)) 15...Ne4=+ (worse 15...Be4 16.Ne4 Ne4 17.Bg7 Kg7 18.a3+–) 16.Ne4 (16.Qc1!?=+) 16...Be4–/+ (16...Re4? 17.Bg7 Kg7 18.a3+–) 17.Qc1 Nd3 (17...Bd3 18.Bf3 Bb2 19.Qb2 Bf1 20.Rf1–/+) 18.Bd3 Qd3 (18...Bb2 19.Qb2 Bd3 20.Rfc1–/+) 19.Rf2 (better 19.Bg7 Kg7 20.Qb2 Kg8 21.Rac1=) 19...a5 (better 19...Bb2 20.Qb2 Qc4–/+) 20.Qf1?? Exerts pressure on the backward pawn (better 20.Bg7 Kg7 21.Qb2 Kg8 22.Qf6+=) 20…Bb2–+ (20...Bb2 21.Rd1 Qf1 22.Rff1 Bd3–+) 0–1. RichardSommer (2160) – FiroujaGambiteer (2070), lichess.org, 2020.

11.Qc2 Bb7 12.0–0= Nbd7 13.d3 ed3 14.Qd3 Ne5 15.Qd8 Rfd8 16.Rad1 Ne8 17.Nb5 a6 18.Be5 Rd1 19.Rd1 Be5 20.Na3 Kf8 21.Nc2 Ke7 22.Ne1 Rd8 23.Rd8 Kd8 24.Bf3 Bf3 25.Nf3 Bf6 26.Kf1 Nd6 27.Nbd2 b5 28.cb5 ab5 29.Ke2 Kd7 30.e4 Bb2 31.e5 Nf5 32.Ne4 Nd4 33.Nd4 Bd4 34.f4 Ke6 35.Kd3 Kf5 36.g3 Kg4 37.Ng5 Be5 38.h3=+ Kf5 39.Nf7 Bc7 40.Ng5 h5 41.Ke3 c4 42.Kf3 b4 43.g4 Kf6 44.Ke3 Ke7 45.Nf3 Ke6 46.Ke4 Kd7 47.Nd4 Bb6 48.Nf3 Bc7 49.Nd4 Bb8 50.f5 gf5 51.Nf5 c3 52.Ne3 hg4 53.hg4 Ke6 ½–½. Schulze – Tonn, corr, 1988.

11.Qc2 Bf5 12.0–0 =+.

11.d4 cd4 12.ed4 Bb7 13.0–0 Re8 14.Bc1 Nc6 15.Be3 Ne7 16.a4 Ba6 17.Nb5 Nf5 18.Qd2 h5 19.h3 Kh7 20.Nc1 Ng8 21.Nb3 Nge7 22.Rae1 Kg8 23.d5 Ne3 24.fe3 Nf5 25.N3d4 Nd4 26.Nd4 Rc8 27.Rd1 Qg5 28.Nc6 Bh6 29.Na7 Qe3 30.Qe3 Be3 31.Kh1 Bc4 32.Nc8 Be2 33.Nd6 Re7 34.Nb5 Bf1 35.Rf1 Bd2 36.Rf2 e3 37.Re2 Rd7 38.d6 f5 39.g3 Kf7 40.Kg2 Ke6 41.Kf3 Kd5 42.Kf4 Kc4–+ 43.h4 Kd3 44.Kf3 Rd8 45.Rg2 Bb4 46.Re2 Bd2 47.Rg2 Bb4 48.Re2 Bc5 49.Re1 Kc2 50.Re3? Be3–+ 51.Ke3 Kb3 52.Kd4 Ka4 53.Kc4 Ka5 (53...Ka5 54.Nd4 Rd6–+) 0–1. Bruno,Fabi (2435) – Codenotti,M (2290), 71st ch–ITA, 2011.

11.d4 cd4 12.ed4 Nc6 13.0–0 Re8 (13...Qd7 14.d5 Ne7 15.Qc2+=) 14.a4 (14.d5 Ne5=) 14...a5 (14...Rb8 15.Re1=) 15.Nb5 (15.Qd2 Be6=) 15...Nb4 (15...Bf5 16.Rc1=) 16.d5+= Bf5 17.N3d4 Qd7 (17...Bd7 18.Qb3+=) 18.Nf5+/– gf5 19.Ra3 (19.Qd2 Rad8+/–) 19...f4+= 20.Bf6 (20.Bd4 Qd8+=) 20...Bf6= 21.Bg4 (21...Qd8 22.Re1=). Campora,D (2545) – Komljenovic,D (2475), Sevilla XXX op, 2005.

11.d4 cd4 12.Nd4 Na6 13.0–0 Nc5 14.a4 a5 15.Rb1 Bb7 16.Ba3 Rb8 17.Rb5 Qc7 18.Bc5 bc5 19.Nb3 Ba6 (19...Bc6 20.Rc5 (20.Ra5? Rb3 21.Qb3 Qa5–+) 20...Qb6 21.Nb5+=) 20.Rb8 (20.Rc5!? Qb6 21.Nb5+/–) 20...Rb8= 21.Nb5 Bb5 22.cb5 c4 (22...Bf8 23.Qd2+=) 23.Qc2+/– Rc8 (23...c3 24.Rc1 Rc8 25.Nd4+/–) 24.Nd4 Nd7 25.Nc6 (25.Qe4!? Be5 26.g3 Bd4 27.Qd4+/–) 25...Ne5+= 26.Bc4 (26.Rc1 c3 27.Nd4 Nd3 28.Bd3 ed3 29.Qd3 Qc4+=) 26...Nc6= 27.bc6 Qc6 28.Rc1 ½–½. Katalymov,Boris – Geller,Yefim, Tashkent, 1958.

11.d4 cd4 12.Nd4 Bb7 13.Ba3 Re8 14.Ndb5 Nfd7 15.Qc2 Nc5 16.Rd1 Qg5 (16...Nd3 17.Bd3 ed3 18.Rd3 Qg5+=) 17.0–0+= Be5 18.Nd6 Will e4 fall? 18...Bd6 19.Rd6 Nbd7 20.Rfd1 Re7 21.Qd2 Rae8 22.Nd5 (22.Nb5 a6 23.Nc3 Bc8+–) 22...Bd5 23.Qd5 Qh4 24.Bb2 Ne5 25.Qd4 f6 26.f4 Ncd3 (better 26...Ned7!?+–) 27.g3+– (27.Bd3 Ng4 28.h3 Qf2 29.Kh1 Ne3+–; 27.fe5?? Qf2 28.Kh1 Qe2 29.Qd5 Rf7–+) 27...Qh3? (better 27...Qh6 28.fe5 Nb2 29.Qb2 Qe3 30.Kh1 fe5+–) 28.fe5 Re5 (28...Nb2 29.Qb2 Re5 30.Rd7+–) 29.Bd3 (worse 29.Rf6 Nb2 30.Qb2 Qh6+–) 29...ed3 30.Rf6 Re3 (30...d2+–) 31.Rg6! (31.Rg6 hg6 32.Qg7) 1–0. Steffens,O (2250) – Bentel,Robin (2100), 24th Schloss Open, 2018.

11.f3 Re8 =+.

11.f3 Bf5 =.

10.Nb3 Qe7

11.0–0 Nc6 12.a3 (12.Nd5 Nd5 13.Bg7 Kg7 14.cd5 Nb4=+) 12...Bf5 13.f4 (13.Nd5 Nd5 14.Bg7 Kg7 15.cd5 Ne5=+) 13...ef3 14.Rf3 (14.Bf3 Ne5 15.Be2 Be6–/+) 14...Rad8–/+ 15.Qf1? (better 15.Rf4–/+) 15...Bc2–+ 16.Bd1 Bb3 17.Bb3 Rd2 18.Bc1 Rd7 19.Rb1 Rfd8 20.h3 (20.Ba4 Rd6–+) 20...Rd3 (better 20...Ne5!? 21.Rf2–+) 21.Nd5 Ne5?? (21...Nd5 22.cd5 Ne5–+ (22...R3d5?! 23.e4 Qe4 24.Bd5 Qd5 25.Rb7–/+)) 22.Ne7+– (22.Ne7 Kf8 23.Ng6 hg6 24.Rf6+–; 22.Nf6?! Bf6 23.Rf6 h5+–) 1–0. combijack (1855) – speedygonsales (1775), gameknot.com, 2018.

11.0–0 Be6 12.f3 (12.Qc2 Bf5=) 12...ef3 13.Rf3 Nbd7 14.d4 (14.d3 Rad8 15.Qc2 Bg4=) 14...Bg4 (14...Rfe8 15.d5 Bf5 16.Qd2=+) 15.Rf2 Bf5 (15...Be2!? 16.Qe2 Rfe8=) 16.g4+= Be4 17.h3 (17.g5 Ne8 18.Ne4 Qe4+=) 17...b6 (better is 17...cd4!? 18.ed4 Qd6 19.Ne4 Ne4=) 18.g5+/– (< 18.Ne4 Ne4 (< 18...Qe4 19.g5+/–) 19.Rf3 Ng5=+) 18...Nh5 19.Ne4 Qe4 20.Bf3 Qe3 21.Ba8 Ra8 22.Qg4 cd4 23.Qd7 (23.Bd4 Bd4 24.Nd4 Ne5=) 23...Nf4= 24.Kf1 (24.Raf1 Nh3 25.Kg2 Nf2=) 24...Qd3 25.Ke1 Qe3 26.Kf1 Qd3 27.Ke1 ½–½. Rainer,Jean_Michel – Jirousek,Jim, corr or01–010 E–mail, 2001.

11.0–0 Bf5 12.f3 =.

11.Qc2 Rd8=+ 12.h3 (12.d4 ed3 13.Bd3 Nc6–/+) 12...Nc6 13.a3 Ne5 (13...Bf5 14.0–0–/+) 14.Nc1 (14.Ne4!? Ne4 15.Qe4=) 14...b6 (14...Qd6 15.f3 Nd3 16.Bd3 ed3 17.Qb3 Qg3 18.Kf1–/+) 15.0–0 Bb7 16.a4 (better is 16.d3 ed3 17.Bd3–/+) 16...Nf3?? (16...Qe6 17.Nb5 Ne8 18.a5–/+) 17.Bf3?? (better is 17.gf3 ef3 18.Bd3+/–) 17...ef3–/+ 18.g3 (18.gf3!? Qe6 19.Kg2–/+) 18...Qe6–+ 19.Kh2 Bc8 20.g4 Ng4! 21.Kg1 (21.hg4 Qg4) 21…Ne5 (22.Nd3 Nd3–+) 0–1. Diener,Rudolf – Feilmayr,Erwin, corr SOK–92–79, 1992.

11.Qc2 Rd8=+ 12.h3 Nc6 13.a3 Ne5 14.Nc1 b6 15.0–0 Bb7 16.a4 Nf3?? 17.Bf3?? ef3–/+ 18.g3 Qe6–+ 19.Kh2 Bc8 20.g4 Ng4! 21.Kg1 Ne5 (22.Nd3 Nd3–+) 0–1. Diener,Rudolf – Feilmayr,Erwin, corr SOK–92–79, 1992.

11.Nd5 Nd5 12.Bg7 Kg7 13.cd5 Qg5 =+.

11.f4 Rd8!? +=.

11.f4 ef3 12.Bf3= Nc6 (12...Bf5 13.Na5 Ne4 14.Nd5 Qh4 15.g3 Ng3 16.hg3 Qg3 17.Ke2+–) 13.Bc6 bc6 14.Na4 Bg4 15.Qc1 Ne4 16.0–0 Bb2 17.Nb2 Qg5 (17...Rfe8 18.d3 Nd6 19.h3+=) 18.Rf4 Bh3 19.Qf1 f5 20.d3 Nf6 21.Nc5 (21.Qf3!? Bg4 22.Qc6+/–) 21...Rae8+= 22.Re1 (22.Nd1 Bg4=) 22...Nh5 (better is 22...Ng4!? 23.Qf3 Ne3–/+) 23.Rf3 Bg4 24.Rf2 Re3 25.Ne6 Re1 26.Qe1 (26.Ng5 Rf1 27.Kf1 Ng7=) 26...Re8 27.Na4? (27.Ng5!? Re1 28.Rf1+=) 27...Qe7 (better is 27...Qf6 28.Nac5 f4–+) 28.Nac5? (better is 28.h3!? Bh3 29.gh3 Qe6 30.Qe6 Re6 31.Nc5–/+) 28...f4 (28...Qc5 29.Nc5 Re1 30.Rf1–+) 29.g3? (29.Qe4 Be6 30.Qc6 Bf5 31.Qd5 Kg7 32.Qd4 Kh6–+) 29...Be6 (better is 29...Qc5! 30.Nc5 Re1 31.Kg2 fg3 32.hg3–+) 30.Ne6 Qe6 31.Qe6 Re6 32.g4 Ng7 33.Rf4 h5 34.Rd4 (34.gh5 Nh5 35.Rg4 Kf7–+) 34...hg4 35.Rg4 Kf7 36.Rf4 Nf5 37.d4 (37.c5 Re5–+) 37...Rd6 38.d5 cd5 39.cd5 Rd5 40.Ra4 a5 41.Kg2 Ke6 42.Kf3 Kd6 43.Ke4 Kc6 44.Rc4 Rc5 45.Ra4 (45.Kd3 Rc4 46.Kc4 Nh4–+) 45...Kb5 46.Ra3 a4 (46...Rc2!? 47.Rb3 Ka4 48.Rb6–+) 47.Rh3 Rc4 48.Kd5 Rh4 49.Rh4 Nh4 50.Ke6 Nf3 51.Kf6 Nh2 52.Kg6 (52.a3 Nf1 53.Kg6–+) 52...Kb4 53.Kf5 Ka3 0–1. mikebaldini (1650) – tomzy02 (1705), gameknot.com, 2013.

11.0–0 Rd8

12.Rb1 Bf5 +=.

12.Qc2 Nc6 13.Rad1 Nb4 14.Qb1 Bg4 15.Bg4 Ng4 16.Ne2 Bb2 17.Qb2 Nd3 18.Qb1 Qh4 19.h3 Ngf2 20.Rde1 b6 21.Qa1 Rd6 22.Rb1 Rf6 23.Kh2 Rf5 24.Rf2 Qf2 (25.Rf1 Qf1 26.Qf1 Rf1–+) 0–1. Hasler,Ulrich (1885) – Timar,Zsolt (2240), CP.2000.P.00067, 2000.

12.f3 ef3 13.Bf3 Nc6 14.Kh1 Ne5 15.Nd5 Nd5 16.Bd5 Be6 17.Be6 Qe6 18.Nc5 Qc4 19.Be5 Be5 20.d4 Qd5 21.Qb3 b6 22.Na6? Qb3 23.ab3 Bd6 24.Rac1 Rac8 25.Kg1 f5 26.b4? Re8 27.Kf2 f4! 28.ef4 Bf4 29.Rc8 Rc8 30.h3? Rc3!–+ 31.Rd1 Ra3 32.b5 Rb3 33.d5 Bd6 34.Rc1 Rb5 35.Nc7 Rc5 36.Rc5 Bc5 37.Ke2 a5 38.Kd3 a4 39.Kc4 a3 40.Kb3 Kf7 41.h4 h5 42.Nb5 Kf6 43.Nc3 Ke5 44.Kc4 Bd4 45.d6 b5! 46.Kb5 Kd6 47.Na2 Kd5 48.Kb4 Bc5 49.Kb3 Ke4 50.Nc3 Kf5 0–1. Westerinen,Heikki – Dueball,Juergen, Dortmund, 1973.

12.f3 ef3 13.Bf3 Bf5 =.

12.f3 Bf5 13.Qe1 Nc6 14.fe4 Be4 15.Ne4 Ne4 16.Bg7 Kg7 17.d3 Ng5 18.Qg3 b6 19.Rf2 Qe5 20.Qe5 Ne5 21.d4 Nd7 22.h4 Ne4 23.Rf4 Nc3 24.Bf3 Rac8 25.Rc1 Na2 26.Ra1 Nb4 27.Ra7 f5 ½–½. Lins,Thomas (2170) – Klapp,Herwig (2120), GER–ch33 V5 email, 2002.

12.f3 Bf5 13.g4 ef3 14.gf5 fe2 15.Qe2 Nc6 (15...Nbd7 16.fg6 fg6 17.Rae1=) 16.Rad1 (16.d4 Re8 17.Nc5 Nd4 18.ed4 Qe2 19.Ne2 Re2+=) 16...Rac8 (16...Nb4 17.fg6 fg6 18.d3=) 17.d3 (17.d4 b6=) 17...Ne5 (17...Re8 18.Rd2+=) 18.e4 (18.fg6 hg6 19.a3 Rc6=) 18...a6 (18...b6 19.Qe3+=) 19.Kh1 (19.Ba3 Nfd7 20.f6 Nf6+=) 19...b5 (19...b6 20.Nd5 Nd5 21.ed5=) 20.Nd5 (20.cb5 c4 21.dc4 Nc4 22.Rd8 Qd8+=) 20...Nd5= 21.ed5 Re8 22.Be5 Be5 23.Qf2 Bc3 24.Rc1 b4 25.Rc2 Qc7 26.Re2 Re2 27.Qe2 a5 28.Nd2 Bd2 29.Qd2 Re8 30.f6 Qd6 31.d4 cd4 32.Qh6 Qf8+= 33.Qf4 Re2 34.Qd4 Qd6 35.Rf2+= Rf2 36.Qf2 Qe5 37.Qd2 Qf6 38.Kg2 Qc3 39.Qe2 Qd4 40.Qe8 Kg7–+ 41.Qa4 Qc4 42.Qa5 h5 43.Qa8 Qe2 44.Kg1 h4 (44...h4 45.Qa7 Qd1 46.Kf2 Qd5–+) 0–1. Polugaevsky,L – Gurevich,I, Hastings A, 1993.

12.h3 Nc6 13.a3 Ne5 14.Na4 b6–/+ 15.Be5 Qe5 16.f4 Qe6 17.Rb1 Ba6 18.Nb2 Ne8 19.Qc2 Nd6 20.Rfc1 Rd7 21.Bg4 f5 22.Be2 Rad8 23.Na1 Nb7–+ 24.Nb3 Na5 25.Nd1 Nb3 26.Qb3 Rd2 27.Bf1 Bb7 28.a4 R8d3 29.Bd3 ed3 (30.Qd3 Rd3–+; 29...Rd3?! 30.Qc2=+) 0–1. Engles,Michael – Prieto,Carlos, IECG, 2002.

7.Be2 Be6

8.0–0 a5 9.b5 =.

8.0–0 a6 9.d4+= e4 (9...a5 10.a3+=) 10.Nd2 (10.Ng5 d5+=) 10...d5 11.cd5 Bd5 12.Nd5 Qd5 13.Qb3 (13.f3 Bh6 14.fe4 Ne4+=) 13...c6 (13...Qb3 14.Nb3 Nbd7 15.a3+=) 14.Qd5 (14.Bc4 Qh5 15.f3 b5+/–) 14...cd5+= 15.Rfc1 b5 (15...Nc6!?+=) 16.Nb3 Nbd7 17.Nc5 (17.a4 Rfb8+/–) 17...Rfc8? (better is 17...Nb6!?+=) 18.a4+– Nc5 19.dc5 (19.bc5?! b4=; 19.Rc5?! Bf8+=) 19...ba4 20.Ra4 a5 (20...Nd7 21.Bg7 Kg7 22.Ra6 Ra6 23.Ba6+–) 21.Ra5 Ra5 22.ba5 Ne8 23.Bg7 Kg7 24.a6 Nc7 25.Kf1 Kf6 26.f4 Ke7 27.Rb1 Kd7 28.Rb7 Kc6 29.Ke1 Kc5?? 30.Kd2 Kc6= 31.Kc3 Ra8 32.Rb1 Na6–/+ 33.Ra1 Nc7 34.Ra8 Na8 35.Kd4 Kd6 36.Bd1 Nc7–+ 37.Kc3 Kc5 38.h4 f6 39.g4 Nb5 40.Kd2 d4 41.g5 fg5 42.hg5 Kc4 43.Bg4–/+ de3 44.Ke3 Kd5 45.f5 Nd6–+ 46.f6 Ke5 47.Bd1 Nf7 48.Bb3 Ng5 49.f7 Nf7 50.Bf7 g5 51.Bg8 h5 52.Bh7 h4 53.Be4 g4 54.Bg2 Kf5 55.Kf2?? Kf4–/+ 56.Kg1 Kg3?? 57.Kh1?? h3?? 58.Bf1 Kf2 59.Bh3= ½–½. Skaug,Thorbjorn – Engebretsen,Terje U, Klubbmesterskap Norway, 2003.

8.0–0 a6 9.Ng5 Qd7 10.d4 ed4 11.Ne6 fe6 12.ed4 (worse is 12.Qd4 Nc6 13.Qh4 Nb4–/+) 12...Nc6 13.d5 ed5 14.Nd5 Nd5 15.cd5 Bb2 16.dc6 bc6? (better is 16...Qf7 17.Bf3 Kg7+/–) 17.Qb3+– (17.Qb3 d5 18.Qb2+–) 1–0. Rooijen Van,Peter (1655) – Lauer,Frederic, ZI–2009–0–00616, 2010.

8.0–0 Nbd7

9.d4 a5 10.a3 Bf5 11.h3 Re8 12.Nb5 Ne4 13.g4.

9.d4 a5 10.b5= ed4 (10...Re8 11.Ng5 ed4 12.Ne6 Re6 13.ed4) 11.Nd4 Qe7 12.Qc2 Nc5 13.Ba3.

9.d4 ed4 10.Nd4+= (worse 10.Qd4 a5 (10...Nd5 11.cd5 Bd4 12.Nd4 c5 13.dc6) 11.b5 Ng4= (11...Nd5 12.Qd2 N5b6 13.Ne4) 12.Qf4 Nb6 13.Rac1) 10...Re8 (10...a5 11.a3 ab4 12.ab4 Ra1 13.Ba1) 11.Qc2 (11.a3 Ne5 12.Ne6 Re6+= 13.Nd5; 11.Ncb5 a6 12.Ne6 fe6 13.Nc3) 11...Nb6 (11...a5 12.Ne6 Re6 13.a3+=) 12.c5 (12.Ne6 Re6 13.Rad1+= 0.48/9 (13.Nb5 Ne4+=)) 12...dc5 (12...Nbd5!? 13.Ne6 fe6+=) 13.bc5+– Nbd7 (13...Nbd5 14.Ne6 fe6 15.Rab1+–) 14.c6 bc6 15.Nc6 Qc8 16.Bf3 (16.Rad1 Bf5 17.Qb3 Be6+–) 16...Qa6 17.Nb4 (17.Rad1 Rac8+–) 17...Qd6 (17...Qc4!? 18.a3 a5=) 18.Ba8+– Ra8 19.a3 Bf5 (19...Ng4 20.g3 Qc5 21.Rac1+–) 20.Qe2 (20.e4 Ne4 21.Ne4 Bb2 22.Qb2 Be4 23.Rad1+–) 20...Nb6 (20...c5!? 21.Rad1 Qe6+–) 21.Rfd1 Qe6 (21...Qe7 22.Rac1 c5 23.Ncd5 Nfd5 24.Nd5 Nd5 25.Bg7+–) 22.Nb5 Qe7 (22...Qc4 23.Qc4 Nc4 24.Bf6 Bf6 25.Rac1+–) 23.Nc6 Qe4 (23...Qf8 24.Rac1 Na4 25.Be5+–) 24.Rac1 Nfd5 (24...Ne8 25.Bg7 Kg7+–) 25.Ncd4 (better 25.Bg7!? Kg7 26.Rd4 Qe6+–) 25...Be5 (25...Bg4 26.Qd3 Qd3 27.Rd3 Na4+–) 26.Nf5 Qf5 27.Be5 Qe5 28.Nd4 (28.Rc5 Qe7 29.Qc2 a6+–) 28...Qe7 (28...Re8 29.Qd3+–) 29.Qd3 Qd7 (29...c5 30.Nc6 Qd6 31.Na5+–) 30.Nc6 (30.e4 Nf6+–) 30...Qg4 (30...Nf6 31.Qb3 Qe8 32.f3+–) 31.Qd4 (better 31.Qb3 Qe6 32.Rd5 Nd5 33.Qd5 Qd5 34.Ne7 Kg7 35.Nd5+–) 31...Qe2 (31...Qe6 32.g3+–) 32.Nb4 (better 32.e4 Qg4 33.f3 Qf4 34.ed5 Qd4 35.Rd4 Nd7+–) 32...Nb4 33.ab4 (worse 33.Qb4 Rc8+–) 33...Rc8 34.Rd2 (34.Qa1!? Na8+–) 34...Qb5 35.Rdc2 Nd5 (35...Na8+–) 36.Rc5 (36.Rc5 Qb4 37.Qd5+–) 1–0. Karathanasi,Eirhnh – Aleiferi,Aikaterini, Greek G20, 2017.

9.d4 Bf5 10.Nh4 a5 11.Nf5 ab4 12.Nb5 gf5 13.Qc2.

9.Ng5 Qe7

10.Qc2 Bf5 11.e4 Bg4 12.Bg4 Ng4 13.Nf3.

10.Ne6 fe6 11.Qb3 =.

10.Ne6 Qe6 11.Qc2 c6 12.f3 a5 13.a3.

10.Ne6 Qe6 11.d4+= c6 12.d5 cd5 13.cd5 Qe7 14.a4 Ne8 15.Rc1+/– f5 16.Qd2 Nef6 17.a5 Qd8 18.Nb5 Ne8 19.Rc2 a6 20.Nc3 Ndf6 21.Rfc1 Rf7 22.Na4 Nd7 23.h3 Re7 24.Rc4 Rb8 25.e4 fe4 26.Re4 Ndf6 27.Rec4+/– Nd7 28.Bg4 Nef6 29.Be6 Kh8 30.Rc7 Ne8 31.R7c2 Bf6 32.Qe3 Rg7 33.Nb6 Bg5 34.Qf3 Nc7 35.Rc7+– Bc1 36.Rc1 Nb6 37.ab6 Qb6 38.Bc3 Qd8 39.Bd2 (39...Qh4 40.Rc2+–) 1–0. Margraf,A – Schmid,H, Schwaben, 1991.

10.f3 a5 11.Nb5 Rfc8 12.Ne6 Qe6 13.a3.

7.Be2 Re8

8.0–0 Nc6 9.b5 Ne7 =.

8.0–0 Nbd7 9.e4 c6 10.Ne1 d5 11.cd5 cd5 12.d3 Nf8 13.ed5 Nd5 14.Nd5 Qd5 15.Nc2 Ne6 16.Bf3 Qd8 17.Re1 Nf4 18.d4 Bf5 19.Ne3 Nd3 20.Nf5 Nb2 21.Ng7 Nd1 22.Ne8 Nf2 23.Re5 Qd4 24.Nf6 Kg7 0–1. Conner – Shibut, Washington 1993.

8.Qb3 e4 9.Nd4 c5 10.Nc2 Nc6 11.Rd1 Ne5 12.d4 ed3 13.Bd3 Nd3 14.Rd3 Bf5 15.Rd2 Qe7 16.0–0 b6 17.b5 Rad8 18.Rfd1 h5 19.h3 Bc8 20.Ne1 Bb7+= 21.Nd3 g5 22.h4 Ne4 23.Ne4 Qe4=+ 24.Ne1 gh4 25.Bg7+/– Kg7 26.Rd6 Rd6 27.Rd6 Qe5 28.Qd1 h3 29.gh3+= Qe4 30.Kf1 Qc4 31.Kg1 Qe4=+ 32.Kf1 Qh1 33.Ke2 Qh3 34.Qa1 Kg8 35.Qf6 Qg4–/+ 36.f3 Qg7 37.Qg7 Kg7 38.Rd7 Rb8 39.Ng2 a6 40.a4 ab5 41.ab5 Bc8 42.Rd5 Be6 43.Rh5 Bc4 44.Kf2 Bb5 45.f4 Bc6 46.Rg5 Kf6 47.Nh4 Rh8 48.Kg3 Be4 49.Re5 Bb7 50.Rf5 Ke6 51.Re5 Kd7 52.Nf5 Kc6 53.Ne7 Kb5 54.Nf5 Rd8 55.Re7 Bd5 56.e4 Bb3 57.e5 c4 58.Nd6= Kb4 59.Rb7 Kc5 60.Rf7+= c3?? 61.Nb7+– Kb4 62.Nd6?? Bf7 63.Nf7 c2 64.Kg4 c1Q 65.Kf5 (65.Nd8 Qd1 66.Kf5 Qd8 67.Ke6 Qe8 68.Kf6 Qf8 69.Kg5 Qe7 70.Kf5–+) 0–1. Weigel,Hans Juergen (2000) – Landgraf,Siegfried (2160), GER–chT Seniors MM–dLV, 2001.

8.d3 a5 9.b5 =.

8.d3 c5 =.

8.d3 c6 9.0–0 Na6 10.a3 Nc7 11.Rc1 h6 12.Qc2 Qe7 13.Ne4 Bg4 14.h3 Bf3 15.Nf6 Bf6 16.Bf3 (worse is 16.gf3 a5+=) 16...a6 17.g3 Red8 18.Bg2 d5 19.Kh2 Bg7 20.f4 f5 21.Rfe1 e4 22.Bg7 Qg7 23.cd5 ed3 24.Qd3 Nd5 25.e4 fe4 26.Qe4 Nf6 27.Qc2 Re8 28.a4 Re1 29.Re1 Re8 30.Re8 Ne8 31.b5 ab5 32.ab5 cb5 33.Qb3 Kh7 34.Qb5 Nd6 35.Qc5 Qd7 36.g4 Nf7 37.Bd5 Qd6 38.Qd4 g5 39.Qe4 Kg7 40.Bf7 Kf7 41.Qb7 Kf6 42.Qb2 Kf7 43.Qb3 Kf8 ½–½. Schmittdiel,E (2485) – Zelbel,P (2345), Helmut Kohls It, Dortmund GER, 2010.

8.d3 Nbd7 9.Qc2 c6 10.0–0 Nf8 11.a4 a5 12.b5 Ne6 13.Rfd1 h5 14.d4+= e4 15.Nd2+/– Ng5 16.Nb3 Bf5 17.bc6 bc6+= 18.d5 c5 19.Nb5 Ng4 20.Bg7 Nf3 21.Bf3 ef3 22.Qd2 Qh4? 23.h3+– fg2 24.Kg2 Be4 25.f3 Bf3= 26.Kf3 Qh3 27.Kf4 Nf2 28.Rg1?? Re4 29.Kg5 Qh4 (30.Kh6 Ng4 31.Rg4 hg4#) 0–1. Behnicke,Eckhard – Konikowski,Jerzy (2335), Dortmund2, 1995.

8.d4 ed4 9.Qd4 Ne4 10.Qg7 Kg7 11.Ne4 Kh6 =+.

8.d4 ed4 9.Nd4 c5 10.bc5 dc5 11.Ndb5 =.

8.d4 Qe7 9.0–0 e4 10.Nd2 Nbd7 11.a4 h5 12.a5 Nf8 13.a6 b6 14.Nce4 Ne4 15.Ne4 c5 16.Nc3 Ne6 17.dc5 dc5 18.Nd5 Qf8 19.Bg7 Qg7 20.bc5 bc5 21.Qa4 Rd8 22.Rab1 Bd7 23.Qa5 Qe5 24.Bf3 Ng5 25.Qc5 Nf3 26.gf3 Qg5 27.Kh1 Qh4 28.Rbd1 Qh3+/– 29.Nf6 Kg7= 30.f4?? Qf3?? 31.Kg1–/+ Bh3 32.Nh5 Qh5 33.Qh5–/+ gh5 34.Rd8 Rd8 35.Rb1 Rd6 36.f3 Ra6 37.Rb5 Be6 38.Rh5 Bc4 39.Rc5 Be6 40.f5 Bd7 41.Kf2 Ra2 42.Kg3 a6 43.h4–/+ Bb5 44.Kf4 Rh2 45.Kg5 Rg2 46.Kf4 Rb2 47.h5 Rb4 48.e4 Rc4 49.Rd5 Rc3 50.e5 Rc6 51.Kg5 Rb6 52.f6 Kh7 53.f4 Rb8 54.f5 Rg8 55.Kf4=+ Re8 56.Rc5 Be2 57.Rc7+= Bh5 58.Ra7 Kg8 59.Ra6 Be2 60.Ra2 Bc4= ½–½. Levin,Anatoly – Luchan,J (2095), US Amateur Team East, 2005.

8.Qb3 Nbd7

9.0–0 h5 10.d4 e4 11.Nd2 a5 12.a3 h4 13.Qc2 Qe7 14.h3 Nb8 15.Nb3 Nc6 16.Nd5 Qd8 17.b5 +=.

9.0–0 h5 10.d4 e4 11.Nd2 Nb6 12.a4 a5 13.ba5 Ra5 14.Qb4 Ra6 15.Rfd1 Qe7 16.c5 dc5 17.Qc5 +/–.

9.0–0 h5 10.d4 e4 11.Nd2 c6 12.Rfd1 Qe7 13.a3 h4 14.h3 Qe6 15.d5 Qe7 16.dc6 bc6 17.Qa4 +/–.

9.0–0 h5 10.d4 e4 11.Nd2 Qe7 12.a3 h4 13.Rae1 c5 14.h3 Rb8 15.bc5 dc5 16.d5 b6 17.Rb1 +/–.

9.0–0 h5 10.d4 e4 11.Nd2 Nf8 12.Rfe1 N8h7 13.d5 h4 14.c5 h3= 15.g3 Ng5 16.cd6 cd6 (16...Qd6 17.Red1= (17.Nb5 Qd8 18.Red1=)) 17.Nb5 (17.Rac1=) 17...a6 18.Nd4 Bg4 19.Rac1 Qd7 20.Rc2 (20.Bg4 Qg4 21.Rc7 Rab8=) 20...Be2 21.Ne2 Qg4 22.Nd4 Nd7 23.f3 ef3+= 24.N2f3?? Ne4?? 25.Qd3 Rac8 26.Rec1 Rc2 27.Rc2 Ndf6 28.Qc4 Ng3 29.hg3 Qg3 30.Kh1 Ng4 31.Bc1?? Nf2 32.Rf2–/+ Qf2 33.Qe2 Qg3 34.Bd2 Re4 35.Qh2 Qg4–+ 36.Qg1 Bd4 37.Qg4 Rg4 38.Nd4 Rg2 39.Be1 Kg7 40.Bh4 g5 41.Bg3–/+ Rg3 42.Nf5= Kf6 43.Ng3 Ke5 44.Kh2 g4 45.e4 Kf4 46.a4 b6 47.b5 a5 48.Nf5 Ke4 49.Nd6 Kd5 50.Nc8 Kc5 51.Ne7. Kreuzer,Uwe – Remmler, Verbandsliga Nordbaden, 1987.

8.d4 e4

9.Nd2 h5

10.a3 c6 11.h3 h4 12.Qc2 d5 13.c5 Nh7 14.0–0–0 b5 15.Nb3 Ng5 16.Na5 a6 (16...Ne6 17.Kb1=) 17.Bf1 Qc7 18.Ne2 Nd7 19.Kb1 Nf8 20.Bc1 Nfe6 21.Bd2 Bd7 22.Qc1 Nd8 23.Nf4 Nde6 24.Ne6 Ne6 25.f4 ef3 26.gf3 Ng5 27.f4 Ne4 28.Be1 Bf6 29.Bg2 Bf5 30.Ka2 Re6 31.Be4 Re4 32.Bd2–/+ Qd7 33.Rh2 Rc8 34.Rdh1 Re7 35.Qf1 Qe6 36.Qc1 Be4 37.Rg1 Bf5 38.Qe1 Qe4 39.Qc1 Qe6 40.Qe1 Qe4 41.Qd1 Qe6 42.Qf3 Be4 43.Qf2 Bf5 44.Rhg2 Qe4 45.Rc1 Bh3 46.Rh2 Bf5 47.Rh4 Bh4 48.Qh4 f6! 49.Qf6 Rf8?? 50.Qc6 Qg2–+ 51.Nb3 Re3 52.Rd1 Re6 53.Qb7 Bc2 54.Rb1 Bb3 55.Rb3 Qd2 56.Rb2 Qd4 57.Rh2 Qc4 58.Kb2 Re2 59.Re2 Qe2 60.Kc3 Qc4 (60...Qc4 61.Kb2 Re8–+) 0–1. Larios,Francisco Javier (1970) – Fernandez Lopez,Felix (2310), Cto Autonomico Equipos, 2006.

10.Qb3 Bf5 11.0–0–0 c6 12.h3 d5 13.Rdg1 Be6 14.g4 (14.f3 Bh6 15.f4 Bg7+=) 14...hg4 (14...h4!?+=) 15.hg4= Nbd7 16.Rg3 Nb6 (16...g5 17.Kb1=) 17.c5+= Nbd7 18.Qd1 (18.Qa4 g5+=) 18...Nh7 (18...b6 19.g5 Nh7 20.Ba6=) 19.Rgh3+= Ng5 20.Rh4 Nf6 (20...b6 21.R4h2=) 21.Qg1 Qc7 22.Nf1 Kf8 23.Ng3 Qd7 24.Nf5 Bf5 25.gf5 Qf5 26.b5 Nf3 27.Bf3 ef3 28.Rf4 Qe6 29.Rf3 Ke7 30.Qg3 Rh8 31.Re1 Kf8 32.Rg1 Kg8 33.Qg2 Re8 34.Ne2 Nh5 35.Nc3 Nf6= 36.Ne2 Nh5 37.Nc3 ½–½. Kushch,N – Moskalenko,V, Yalta, 1996.

10.Qc2 Qe7 11.h3 c6 12.0–0 Bf5 13.Rfc1 Na6 14.b5 Nb4 15.Qb3 c5 16.d5 Bh6 17.Nce4?? Ne4–/+ (worse is 17...Be4 18.a3 Nc2 19.Ne4 Na1 20.Nf6 Qf6 21.Ra1+= (21.Bf6?? Nb3 22.Rc2 Bg7 23.Bg7 Kg7–+; 21.Ba1?! Qg5=)) 18.Ne4 Qe4 19.Qc3 (better is 19.Bf3!? Qe7 20.Be2–/+) 19...Kh7–+ 20.Rd1 (better is 20.Qf6 Qe7 21.Qc3–+) 20...Qe7 (better is 20...Qc2 21.a4 a5–+) 21.Rd2+= Qg5 22.a3 Nc2 23.Rc2 Bc2 24.Qc2 Bg7 25.Bg7 Kg7 26.Qc3 Qf6 27.Qf6 Kf6 28.a4 b6 29.Bd3 Ke7 30.Kf1 h4 31.Ke2 Kf6 32.Kf3 Kg5 33.Bc2 f5 34.a5 a6 35.ab6 ab5 36.Ra8 Ra8 37.cb5 Rb8 38.Bd3 Rb6 39.e4 fe4 40.Ke4 Rb8 41.f4 Kf6–/+ 42.Kf3 Ra8 43.Kg4 Ra3 44.Be2 Rg3–/+ 45.Kh4 Rg2 46.Bd3 Rd2 47.Bf1 Rf2 48.Bd3 Rf4 49.Kg3 Rb4 50.Kf3 g5 51.Ke3 Ke5 0–1. Sivic,J – Jovanic,O, Ljubljana, 2004.

10.h3 h4 11.Qc2 Qe7 12.a4 c6 13.b5 Nbd7 14.a5 c5 15.d5 Ne5 16.Nde4 Ne4 17.Qe4 Bf5 18.Qf4 Bd3 19.Ra4 g5 20.Qh2 Nc4 (better is 20...Bc2!? 21.0–0 Ba4 22.Na4 b6=) 21.Rc4+/– (21.Bd3?? Nb2 22.0–0 Nd3–+) 21...Bc4 22.Bc4 Bc3 23.Bc3 Qe4 24.Qd6 Qc2= 25.Qf6 Qc1 26.Ke2 Qc2 27.Kf1 Qc1 28.Be1 Qc4 29.Kg1 Qd5 30.Bc3 Kf8 31.Kh2 Rad8 32.Qh6+= Ke7 33.Bf6 Kd7 34.Bd8 Rd8 35.f4 gf4 36.ef4 Rg8 37.Rg1 c4 38.Qh4 c3 39.Qf2 Rc8 40.Qa7 c2 41.a6 Rc7 42.ab7 Rb7 43.Qa4 Qd2+/– 44.b6 Kd6 45.Qa3 Kd7 46.Rc1 Qf4 47.Kh1 Rb6 48.Qd3 Rd6 49.Qc2 Rd2 50.Qc5 Ke6 51.Qb5 Rf2 52.Qc6 Ke7 53.Qc5 Ke6?? 54.Re1+– Kd7 55.Kg1 Rd2 56.Rf1 (56.Rf1 Qd4 57.Qd4 Rd4 58.Rf7 Ke6 59.Rf2+–) 1–0. Anastasian,A – Beshukov,S, Katowice, 1992.

10.h3 h4 11.Qc2 Bf5 12.0–0–0 Nc6–/+ 13.a3 Bh6 14.Nf1+= d5 15.Kb1 Ne7 16.g3 g5 17.gh4= gh4 18.Nd2 c6 19.Rdg1 Kh7= 20.Nf1 Rg8 21.Bg4 Qd7 22.Bc1 Rg6 23.Nh2 Rag8 24.cd5–/+ cd5 25.Ne2 Rc8 26.Nc3 Bg4 27.Ng4 Ng4–+ 28.hg4 Rgc6 29.Bb2 Ng6 30.f4 f5 31.g5 Bg7 32.Rc1 Kg8 33.Qb3 Rc4 34.Qa4 Qa4+= 35.Na4 Kf7 36.Nc3 Ke6 37.Ka2 Bf8 38.Kb3 Bd6 39.Rh3 Bb8 40.Rch1= Bd6 41.R3h2 Rh8 42.Nb5= a6 43.Nc3 Rcc8 44.Na4+= Rhd8 45.Nc5+/– Bc5 46.dc5 d4 47.Bd4 Rd4 48.ed4+– Kd5 49.Kc3 Re8 50.Re1 Rh8 51.Rf1 h3 52.a4 e3 53.Kd3 Re8 54.Re2 h2?? 55.Rh2+– Re4 56.Re2 Nf4+/– 57.Rf4! Rf4 58.Ke3 Re4?? 59.Kf3 Rd4 60.g6 Kc4 61.Rg2 Rd8 62.Kf4 Kb4 63.Rb2 Kc5 64.Rb7 Rd1 65.g7 Rg1 66.Kf5 Kd6 67.Rb6 Kd5 68.Kf6 1–0. Agrest,Roman (2105) – Edlund,Robin (2205), 34th Rilton Cup, Stockholm SWE, 2004.

7.Be2 h6

8.0–0 Be6 9.a4 Nc6 10.Ba3 (10.b5 Na5 11.d3 c6=) 10...Re8 11.Qc2 Bf5 12.d3 e4 13.Nd4 Nd4 14.ed4 Qe7 15.de4 Ne4 16.Nd5 Qd7 17.Qb2 c5 (17...Qa4? 18.Nc7 Rac8 19.Ne8 Qe8 20.Rfe1+–) 18.bc5 dc5 19.Qb5 Bd4 (< 19...cd4 20.Qd7 Bd7 21.Bd3=+) 20.Rad1 Qb5 21.ab5 Rac8 22.Bd3 Nf2 23.Bf5?? (23.Nf6 Bf6 24.Kf2 Bd3 25.Rd3–+) 23...Nd1 24.Kh1 gf5 (better is 24...Nf2 25.Kg1 Ne4 26.Kh1 gf5–+) 25.Rd1 Re6 26.h3 Rce8 27.Rd2 b6 28.Ra2 (28.Kh2 Re2 29.Rd4 cd4 30.Nf6 Kg7 31.Ne8 Re8–+) 28...Re1 29.Kh2 R8e2 30.Re2 Re2 31.Bc1 Be5 32.Bf4 Bf4 33.Nf4 Rc2 (34.Nd5 Rc4–+) 0–1. Kuhn,Hubert – Deckert,Frank, Hassloch op–B, 1998.

8.0–0 g5 9.d4+= e4 10.Nd2 Re8 11.Qc2 Bf5 12.Rae1 Bg6 (12...Qe7 13.Rd1+=; 12...a5+=) 13.Qd1 (13.Qb3 g4+=) 13...Nc6 14.a3 Ne7 15.d5 Nf5 16.Nb5 Qd7 (16...a5 17.Qc2+=) 17.Qa1+/– Nh5 (17...Nh7 18.Bg7 Ng7 19.Qc3+/–) 18.g4 (18.Bg7!? Nhg7 19.Nc3+/–) 18...Nh4+= 19.Nc7 (19.gh5?? Qh3 20.Bf3 ef3 21.hg6 Qg2) 19...Nf3 20.Bf3 (20.Nf3 Bb2 21.Qb2 ef3 22.Bf3 Qc7 23.gh5 Bd3+/–) 20...ef3+/– 21.h3 (21.Kh1!? Qc7 22.gh5 Bb2 23.Qb2 Bh5 24.Qf6+/–) 21...Qc7+= 22.gh5 Bb2 23.Qb2 Bd3 24.Qf6 Qd7 25.Qh6?? (better is 25.Kh2 Bf1 26.Rf1+=) 25…Qh3–/+ (25...Qh3 26.Nf3 Qf3–+ (26...Bf1 27.Qg5 Kh7 28.Qg3–+)) 0–1. Esquivel,Heriberto – Morgado,Juan Sebastian, corr Latin Am–Cup2, 1974.

6.Nc3 b6

7.d4+= ed4 8.ed4 0–0 9.Be2 d5 10.0–0 Bb7 (10...Re8 11.Ne5=) 11.Qb3 (11.Ne5 a6+=) 11...a6 (11...dc4 12.Qc4 Nd5 13.Rfe1=) 12.Ne5+= Nc6 13.Rfd1 (13.Rad1 Qd6 14.Bf3 Nb4=) 13...Qe7 14.cd5 (14.Nd5 Nd5 15.cd5 Nb4+=) 14...Nd4= 15.Rd4 Qe5 16.Rad1 Rad8 17.Bf3 (17.b5 ab5 18.Qb5 Rfe8=) 17...Rfe8 18.h3 c5 (18...Qd6 19.b5=) 19.bc5+= bc5 20.R4d3 (20.Rc4 Qc7+=) 20...Bc8 (20...Qb8 21.Na4 Rc8 22.Qc4+=) 21.Ne4!+/– Qf5 22.g4 Qf4 23.Nc5 Qd6 24.Ne6 fe6 25.de6 Be6 26.Rd6 Bb3 27.Rd8 Bd1+/– 28.Rd1 h6 29.a4 Kh7 30.a5 Rb8 31.Bd4 Ne8 32.Bb6 Rc8 33.Bb7 Rc3 34.Kg2 Nc7 35.Rd7 Ne6 36.Ba6 Nc5 37.Ra7 Na6 38.Ra6 Rc8 39.Ra7 Kg8 40.a6 Be5 41.Rb7 Ra8 42.a7 g5 43.Bc7 (43...Bc7 44.Rc7+–) 1–0. Johnston,R – Lewis,C, Flint ch–MI class–B, 1992.

7.Be2 Bb7 8.Qb3 Nbd7 (8...0–0 9.0–0=) 9.0–0+= 0–0 (9...a5 10.b5+=) 10.d4 e4 (10...a5 11.b5+=) 11.Nd2 Rb8 (11...Qe7 12.Rad1+=) 12.a4 (12.f3 ef3 13.Bf3 Qe7+=) 12...a5 13.Ba3 (13.b5 Qe7+=) 13...ab4= 14.Bb4 (14.Qb4 Ra8=) 14...c5 (14...Ra8 15.Nb5=) 15.Ba3 h5 (15...Qe7 16.d5+=) 16.d5 Ne5 (16...Qe7 17.Bb2+–) 17.Rab1 (17.Nde4 Ne4 18.Ne4 Re8+–) 17...Bc8 18.a5 h4 19.ab6 (19.Nce4?! Ne4 20.Ne4 Bf5=) 19...Nfg4? (better 19...Bf5!?+–) 20.h3 (20.Nce4 h3 21.gh3 Nf6+–) 20...Nh6 (20...Nf6 21.Nde4 Ne4 22.Ne4+–) 21.Nce4 (21.Nde4 Bf5+–) 21...Nd7 (21...Nf5 22.Nc3+–) 22.Nd6 Rb6 23.Nb5 Ba6 24.Ne4 (better 24.Rfd1+–) 24...f5 (24...Qe7 25.Bd3 Rc8+–) 25.Nc5 Bb5 (25...Re8 26.Ne6 Ree6 27.de6 Re6 28.c5+–) 26.cb5 (26.Nd7 Qd7 27.Bf8 Bf8 28.cb5 Bd6+–) 26...Nc5 (26...Re8 27.d6 Kh8 28.Ne6+–) 27.Bc5 Rb7 28.Bf8 Kf8 (28...Bf8 29.b6 Nf7 30.Ba6+–) 29.Rfc1 Nf7 30.Rc2 (30.Rc6 Bf6+–) 30...Nd6 (30...Be5 31.Rc6 Bd6 32.Qc2+–) 31.Rbc1 (31.Qb4 Kg8+–) 31...Qd7 (31...Kg8 32.Rc6+–) 32.b6 (32.Qb4 Kg8+–) 32...Kg8 (32...Qd8 33.Rc7 Rb8 34.Qb4+–) 33.Rc7 Rc7 (33...Qd8 34.Rb7 Nb7 35.Rc7+–) 34.Rc7 Qd8 35.b7 Qb8 (35...Qc7 36.b8Q Qb8 37.Qb8 Bf8 38.Qd8+–) 36.Qb6 Bf8 37.Qc6 (37.Ba6 Kh8 38.Rc8 Nc8 39.Qf6 Bg7 40.bc8Q Qc8 41.Qh4 Kg8 42.Bc8 Be5+–) 37...Qa7 38.Qd7 Qa1 39.Bf1 (39.Bf1 Qg7 40.Qe6 Kh8 41.b8Q Nf7 42.Qf7 Kh7 43.Qbf8 Kh6 44.Q8g7 Kh5 45.Qfg6) 1–0. jaddwarrior (1910) – Pawn_Curry (1855), ChessWorld.net, 2015.

6.Nc3 c6

7.Qc2 0–0 8.Be2 d5 9.Rd1 Bf5 10.Qb3 d4 11.ed4 ed4 12.Na4 Ne4 13.0–0 d3 14.Bd3 Bb2 15.Nb2 Nd6 16.Bf5 Nf5 17.d4 Qf6 18.Ne5 Nd4 19.Rd4 Qe5 20.Rh4 Nd7 21.Qh3 Nf6 22.Nd3 Qd6 23.c5 Qd5 24.Nf4 Qd2 25.Qf3 Kg7 26.Ne2 Rfe8 27.Nd4 Re5 28.Qg3 Qg5 29.Qh3 h5 30.f4 1–0. Hgvanmoork (1800) – schmaltzee (1745), lichess.org, 2018.

7.Be2 0–0 8.Qb3 Be6 9.Ng5 Nbd7 10.0–0 Qe7 11.Nge4 Ne4+= 12.Ne4 b5 13.Nc3 (13.d3!?+=) 13...bc4–/+ 14.Bc4 (better is 14.Qa4!?–/+) 14...d5–+ 15.Ba6 d4 16.Qa4 (16.Bc4 dc3 17.Bc3 Bc4 18.Qc4 c5–+) 16...dc3 17.dc3 c5 18.b5 (18.Rfd1 Rab8 19.a3 cb4 20.ab4 Nc5–+) 18...Nb6 19.Qc2 Bc4 20.Rfd1 e4 21.a4 Bd3 22.Qb3 c4 23.Qa2 Rfd8 24.a5 Nd7 25.Rac1 Ne5 26.Ba3 Qg5 27.f4 ef3 28.Bc5 Be2 29.Rd8 Rd8 30.g3 Nd3 (30...Nd3 31.Bb7 Nc1 32.Bf3 Na2 33.Be2 Qc5 34.a6 Qe3 35.Kf1 Rd2 36.b6 Qe2 37.Kg1 Qd1#) 0–1. Franek,Mieczyslaw – Gregorczyk,K, corr Poland, 1977.

6.Nc3 Nc6

7.a3 Bd7 8.Be2 (8.Bd3 0–0=) 8...a6 (8...0–0 9.Qc2=) 9.d4 (9.0–0 0–0=) 9...ed4 (9...0–0 10.0–0=) 10.ed4 0–0 11.0–0 Ne7 (11...Re8 12.Qd2=) 12.Re1 (12.h3 Re8+=) 12...d5 (12...Re8 13.h3+=) 13.c5 (13.Ne5 Re8+=) 13...c6 (13...Nc6 14.Ne5+=) 14.Bd3 (14.Na4 Qc7+=) 14...Nh5 (14...Be6 15.Ne2+=) 15.h3 (15.Qd2 Be6+=) 15...Nf4= 16.Bc2 (16.Ne5 Nd3 17.Qd3 Bf5+=) 16...Bf5 17.Ne2 Ne6 (17...Bc2 18.Qc2 Ne6=) 18.Bf5 (18.Bb3!?=) 18...Nf5=+ 19.Qd2 ½–½. Kennis,Maarten – Maenhout,Cedric (1690), Belgian Junior Chess Championships, 2009.

7.a3 Bf5 8.b5 Ne7 9.Be2=.

7.b5 Ne7 8.Be2 0–0 9.Qb3 h6 10.0–0 Nf5 11.a4 c6 12.d4+= ed4 13.Nd4 Nd4 14.ed4 d5 15.c5 (15.Rae1 Be6=) 15...Ne8 (15...Qc7 16.Rae1=) 16.Rad1 Nc7 17.Bc1 Ne6 18.Be3 Qf6 19.Qb4 (19.Rfe1 Nc5 20.dc5 Qc3 21.Qc3 Bc3 22.Bh6 Be1 23.Bf8 Bf2 24.Kf2 Kf8+=) 19...Qd8 (19...Re8 20.Rfe1=) 20.a5 a6 21.ba6 ba6 22.Rb1 Nc7 23.Qb6 Qd7 24.Na2 Re8 25.Rfe1 Ne6 26.Rbd1 Ra7 27.Qb4 Nc7 28.Qd2+= Kh7 29.Nc3 Qd8= 30.Bd3 Nb5 31.Ne2 Bg4 32.f3 Bc8 33.Bc2 Rae7 34.Bf2 Bf6 35.Kf1 Bg5 36.f4 Bf6 37.Ng1 Qc7 38.Re7 Re7 39.Re1 Re1–/+ 40.Ke1 Bd8 41.Nf3 Qa5 42.Ne5 Qc7 43.g4 Qe7 44.Kf1 Qf6 45.f5 Kg7 46.fg6+= fg6 47.Qd3 Bc7 48.Ng6 Bg4 49.Ne5. Franek,Mieczyslaw – Bieluczyk,Tadeusz, corr Poland, 1980.

6.Nc3 Bf5

7.d3 a6 8.Be2 0–0 9.0–0 Nc6 10.a3 e4 (10...Re8 11.e4 Bg4 12.Nd5=) 11.Nh4 (11.Ne4!? Be4 12.de4 Ne4 13.Bg7 Kg7 14.Nd4+=) 11...ed3 12.Nf5? (better 12.Bd3 Bd3 13.Qd3=) 12...de2–+ 13.Qe2 gf5 14.Qc2 Qd7 15.Rad1 Qe6 (15...Rfe8 16.c5–+) 16.Ne2 (16.Nd5 Rfc8–+) 16...Qe4 17.Qd2 (17.Qb3 Rfe8–+) 17...Nh5 (better 17...Qc4!? 18.Bf6 Bf6 19.Rc1–+) 18.Bg7 Ng7 19.Ng3 (19.Qc3–+) 19...Qc4 20.Rc1 Qe6 21.Qc2 Rac8 22.Rfd1 Ne5 23.Rd2 (23.Ne2 Rfe8–+) 23...c6 (23...c5 24.bc5 Rc5 25.Qd1–+) 24.Rcd1 d5 25.Rd4 Nc4 26.a4 Nd6 27.Rf4 Ne4 28.Ne2 Qe7 29.Nd4 (29.Qb2 b6–+) 29...Qb4 30.f3 Qc3 31.Qe2 (31.fe4 Qe3 32.Rf2 fe4–+) 31...Nd6 (31...Nc5 32.Nc2–+) 32.g4 (32.Rd3 Qa5–+) 32...fg4 33.Rg4 f5 34.Rg5 Rce8 35.Qg2 (35.Nc2 f4–+) 35...Qe3 36.Kh1 (36.Kf1 Rf7–+) 36...Rf7 (36...Qe1 37.Qg1 Qg1 38.Rdg1–+) 37.h4 (37.Qg3 Qe5 38.Qf2 c5–+) 37...Qf4 38.h5 (38.Qh2 Qh2 39.Kh2–+) 38...Qh4 39.Kg1 Re1 (39...Re1 40.Re1 Qe1 41.Kh2 Qh4 42.Kg1 Qd4 43.Qf2 Qf2 44.Kf2 Rf6–+) 0–1. zabazaba (1665) – plscm (1700), gameknot.com, 2014.

7.d4= ed4 8.Nd4+= Bd7 9.Bd3 0–0 10.0–0 c5 11.bc5 (11.Nc2 cb4 12.Nb4 Nc6+=) 11...dc5 12.Nf3 (12.Nb3 Na6+=) 12...Nc6 (12...Bc6 13.Ne5=) 13.a3 (13.Qb3 Nb4 14.Rad1 Nd3 15.Rd3 Qc8+=) 13...b6 (13...Re8 14.Qb3=) 14.Qc2 Qc7 (14...Bg4 15.Rad1=) 15.Rad1 (15.Ne4 Ne4 16.Bg7 Kg7 17.Be4 Rad8+=) 15...Rad8 (15...Be6 16.e4 Bg4 17.Be2+=) 16.Rd2 (16.Nd5 Nd5 17.cd5 Ne5 18.Be5 Be5 19.Ne5 Qe5+=) 16...Rfe8 (16...Bg4 17.Ne4 Qe7 18.Nf6 Bf6 19.Bf6 Qf6 20.Be4=) 17.Rfd1 (17.Nd5 Nd5 18.cd5 Ne5 19.Be5 Be5 20.Ne5 Qe5+=) 17...Bg4= 18.Nb5 Qb8 (18...Qe7 19.Bc3=) 19.Be2 (19.Bf6 Bf6 20.Be4 Rd2 21.Rd2 Ne5=) 19...Rd2 20.Rd2 Rd8 21.h3 (21.Nc3 Bf5 22.Bd3 Rd3 23.Rd3 Bd3 24.Qd3 Qe8=) 21...Bf5 22.Qd1 (22.Bd3 Bd3 23.Rd3 a6=) 22...Rd2 23.Qd2 (23.Nd2 a6 24.Nc3 Qd6=) 23...a6 (23...Ne4 24.Qc1=) 24.Nd6+= Ne4 25.Ne4 Bb2 26.Qb2 (26.Ng3 Be5 27.Nf5 gf5+–) 26...Be4+= 27.Ng5 Bf5 28.Qf6 Qf8?? (better is 28...Nd8+=) 29.Qc6+– (29...Qe7 30.Nf3+–) 1–0. Zylla,Johannes – Kausche, BS–Kreismeisterschaft, 1993.

7.d4 Nbd7 8.h3 c6 9.g4+/– Be4 10.g5 Bf3 11.Qf3 Ng8 (11...Nh5 12.Ne4 0–0 13.Rd1=) 12.Ne4+/– Bf8 (12...Ke7 13.c5 dc5 14.dc5+/–) 13.de5 Ne5 (13...de5 14.c5 h6 15.Bc4+/–) 14.Be5 (14.Qg3!? f6+–) 14...de5+/– 15.c5 h6 16.Rd1 Qc7 17.Bc4 hg5 18.Ng5 Nh6 19.Qf6 Rg8 20.Ne4 (20.Rd6 Qe7 21.Rc6 Qf6 22.Rf6 Rg7+–) 20...Bg7 (20...Be7 21.Nd6 Qd6 22.Qd6 (22.cd6? Bf6 23.e4 b5–+; 22.Rd6?! Bf6 23.Rf6 Ke7=) 22...Bd6 23.cd6=) 21.Nd6+/– Kf8 22.Qg5 b5 23.a3?? bc4–/+ 24.Nc4 Qe7 25.Qe7 Ke7 26.Na5 Rgc8 27.Rd6 e4 28.0–0 Bb2–+ 29.Nc6 Rc6?? 30.Rc6= Ba3 31.b5 Rb8 32.Ra1+– Bb4 33.Ra7 Ke8 34.b6 Rb6 35.Rc8# 1–0. De Visser,Arno – Brouwer, 1983.

7.d4= e4 8.Nd2 =.

7.Be2 0–0 8.0–0 =.

7.Be2 c6 8.d4 Qe7 (8...Nbd7 9.0–0 0–0 10.de5 de5 11.Qb3=) 9.b5 (9.c5 e4 10.Nd2+=) 9...c5 (9...0–0!?=) 10.de5 (10.dc5 dc5 11.Nd5 Nd5 12.cd5 Nd7+/–) 10...de5 11.Nd5 Nd5 12.Qd5 (12.cd5!? 0–0 13.d6+/–) 12...Be6= 13.Qe4 (13.Qd2 Nd7=) 13...Bf5 14.Qh4 (14.Qd5!? Be6 15.Qe4=) 14...Bf6+= 15.Qg3 Nd7 (15...e4 16.Bf6 Qf6 17.Qe5 Qe5 18.Ne5+=) 16.0–0 h5 (16...0–0 17.Nd2=) 17.h4 (17.h3 0–0=) 17...0–0–0 (17...Bg4 18.Bd1+=) 18.Ng5= Bg5 (18...e4 19.Bf6 Nf6 20.Rad1=) 19.Qg5 (worse is 19.hg5 h4 20.Qh2 h3–/+ (20...Qg5?! 21.Be5 Ne5 22.Qe5=)) 19...Qg5 (19...f6 20.Qg3=) 20.hg5+= Rhe8 21.Rfd1 Nb6 22.Rd8 Kd8 23.a4 Nd7 24.a5 Kc7 25.Rd1 Be6 26.f3 Bf5 27.e4 Be6 28.Kf2 b6 29.a6 Rf8 30.Ke3 Re8 31.g3 Rf8 32.Rd2 f5 33.gf6!+/– Rf6 34.f4 ef4 35.gf4 Rf8 36.Rd1 Re8 37.Rg1 Bf7 38.Bd3 Re6 39.e5 Re8 1–0. Matveyenko,Yury (2225) – Kornilov,Anatoly (2415), RUS–ch Seniors, 2005.

7.Be2 c6 8.h3 0–0 +=.

6.d3 0–0

(--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.d3 e5).

7.Be2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.Be2 e5 7.d3).

6.d3 c6

7.Qc2 0–0 8.Be2 Re8 9.0–0 Bg4 10.h3 Bf3 11.Bf3 Nbd7 12.a4 Rc8 13.Nd2 d5 Black prepares the advance e4 14.c5 (14.Rfc1 h6+=) 14...a5 15.ba5 Qa5 16.Nb3 Qa7 17.a5 e4 18.Be2 ed3 19.Bd3 Ne5 20.Be2 Ne4 21.Bd4 f5 22.Qb2 Rc7 23.a6 Nc4 24.Bc4 (24.Qc2 Bd4 25.Nd4 Qc5+–) 24...dc4 25.ab7?? (better 25.Nd2+=) 25...Qb7–+ 26.Bg7 (26.Ra3 cb3 27.Rb3 Qc8–+) 26...Rg7 27.Ra7 (27.Rfc1 Qb5 28.Qe2 cb3 29.Qb5 cb5 30.Rab1–+) 27...Qa7 (27...cb3?! 28.Rb7 Rb7 29.Qd4=) 28.Nd4 Qc5 29.Rb1 (29.Rc1 f4!–+) 29...c3 30.Qb3 (30.Qc2 Rd7–+) 30...Kh8 (30...Rf7!? 31.Rd1–+) 31.Qc2 1–0. GuestRFSJ – GuestJXTY, freechess.org, 2017.

7.Be2 0–0 8.0–0 Na6 9.Bc3 Nd7 (9...e4 10.de4 Ne4 11.Bg7 Kg7 12.Bd3=) 10.a4 (10.Nbd2 Nf6+=) 10...Nc7 (10...Nb4 11.Bb4 e4 12.d4 ef3 13.Bf3=) 11.a5 Ne6 12.Nbd2 d5 (12...f5 13.Qc2+=) 13.cd5+– cd5 14.Nb3 (14.Qb3 Qc7+–) 14...b6 15.b5 White prepares a6 15...Qc7 (15...Rb8 16.Rc1+=) 16.Bb4 Re8 17.Rc1 Qb8 18.a6 d4 (18...Ndc5!?+=) 19.Nfd2+– f5 (better 19...Nf6!? 20.Nc4 Bd7+–) 20.Bf3+– de3 21.fe3 Nf6 (better 21...e4 22.de4 f4 23.ef4 Qf4+–) 22.Ba8 (better 22.Nc4 Bd7 23.Bd6+– (23.Ba8?! Qa8 24.Nd6 Rd8+=)) 22...Qa8+– 23.Nc4 Nd5 24.Ba3 (24.Qd2 f4 25.e4 Nb4+–) 24...Bh6 25.Re1 (25.Rf3 Ng5 26.Rf2 Nf7=) 25...Bd7+= 26.e4 Bc1 27.Qc1 (better 27.ed5 Ba3 28.de6 Be6 29.Na3+=) 27...Ndf4=+ 28.Ne5 Bb5 29.Qc3 Qc8 (29...Rc8 30.Qd2=+) 30.Qd2 Qd8 Pawn d3, live or die! (30...fe4 31.Ng4 ed3 32.Bd6–/+) 31.Bb2 (31.ef5 gf5 32.Qf2 Qd5 (worse 32...Nd3 33.Qg3 Qg5 34.Qg5 Ng5 35.Nd3+–; 32...Bd3? 33.Qg3 Qg5 34.Qg5 Ng5 35.Nd3 Re1 36.Ne1+–) 33.Qg3 Ng6 34.Ng6 hg6=) 31...Nd3=+ 32.Nd3 Qd3 (worse 32...Bd3 33.Qc3 Kf7 34.ef5 Bf5 35.Nd2+=) 33.Qd3 Bd3 34.ef5 gf5 35.Nd4 Kf7 36.Nc6 Ba6 37.Ra1 Nc5 38.Bd4 Nd3 39.Na7 (39.Bf2 Nf2 40.Kf2 Bc4 41.Ra7 Kg6=+) 39...b5 (39...Re6 40.g4 Re4 41.Ra6 Rg4 42.Kf1 Rd4 43.Rb6 Rf4 44.Kg1–/+) 40.h3 (40.h4 Re6 41.Ra5 b4 42.Rf5 Ke7–+) 40...Re1 (40...Re6!? 41.Ra5 b4 42.Rf5 Kg6–/+) 41.Re1–/+ Ne1 42.Bc3 Nd3 ½–½. crnkovic (2060) – cavallogoloso (2060), gameknot.com, 2019. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 d6 5.e3 e5)

6.d3 Bg4

7.Be2 Nbd7 8.Nbd2 Qe7 9.a3 0–0 10.0–0 Qe6 11.Ng5 Be2 12.Qe2 Qf5 13.Ngf3 c5 14.b5 Rfe8 15.e4 Qe6 16.Ng5 Qe7 17.Rad1 a6 18.a4 ab5 19.ab5 Bh6 20.Ngf3 Bd2 21.Qd2 b6 22.Ra1 Rab8 23.Ra7 Nh5 24.Rfa1 Red8 25.g3 Qf6 26.Qg5?? Qf3–+ 27.Qe7 Qg4 28.Bc1 Nhf6 29.Qd6 h5 30.Kg2 h4 31.h3=+ Qg5?? 32.Bg5+– hg3 33.fg3 Ne4 34.de4 Nf8 35.Bd8 Rd8 36.Qd8 Kg7 37.Ra8 Ne6 38.Qh8 1–0. Fournier,Frederic (1710) – TINOFAUS, Active, 2006.

7.h3 Bd7 8.Be2 0–0 9.0–0 Nc6 (9...Re8 10.Nbd2=) 10.b5 Ne7 11.a4 (11.d4 ed4 12.Nd4 a6=) 11...c6 (11...a6 12.Nc3=) 12.Nbd2 (12.d4 e4 13.Nfd2 d5+=) 12...Qc7 (12...Re8 13.Ne4 Qc7 14.Nf6 Bf6 15.e4+=) 13.c5 Nfd5 14.cd6 Qd6 15.Nc4 Qc7 (15...Qe6 16.e4 Nf4 17.Be5 Be5 18.Nce5 cb5 19.Rb1+–) 16.Nce5 (16.e4 cb5 17.ab5 Nf4+–) 16...Be6 (16...cb5 17.Nd7 Qd7 18.Bg7 Kg7 19.ab5 Qb5 20.Ra3+=) 17.d4 Rad8 (17...Rac8 18.Rc1+–) 18.Bc4 (18.Rc1 f6 19.Nd3 Rfe8+–) 18...cb5 19.ab5 (better 19.Bb5 a6 20.Be2+–) 19...Ne3?? (better 19...f6 20.Bd5 Bd5+–) 20.fe3+– Bc4 21.Qc2 (21.Nc4?! Qc4 22.Ra7 Nf5+=) 21...Rc8 (21...a6 22.Qc4 Be5 23.Ne5 Qc4 24.Nc4 ab5 25.Ne5+–) 22.Rfc1 (22.Qc4?! Qc4 23.Nc4 Rc4 24.Ra7 Rb8+–; 22.Nc4?! Qc4 23.Qc4 Rc4 24.Ra7 Rb8+–) 22...Qd6 (22...Be5 23.Ne5 (23.de5?! Qd7=) 23...a6 24.Qc4 Qc4 25.Rc4 Rc4 26.Nc4 ab5 27.Ne5+–) 23.Nc4 Qe6 (23...Qd5 24.Qb3+–) 24.Ra7 Nd5 25.Qd3 (25.Qf2 Rc7 26.Ba3 Rfc8+–) 25...Nb4 (25...Bh6 26.Nfe5+–) 26.Qb3 Nd5 27.Rb7 Rc4 (27...Bh6 28.Ba3 Rfe8 29.Nfd2+–) 28.Rc4 Ne3 (28...Bh6 29.Bc1 Be3 30.Be3 Ne3 31.Rc3+–) 29.Rc3 White prepares b6 29...Qb3 (29...Nd5 30.Rc5 Rd8 31.Ng5 Qe1 32.Kh2+–) 30.Rb3 Nc4 31.Rc7 (31.Bc3 Bf6+–) 31...Nb2 (31...Nb6 32.Kf2+–) 32.b6 Na4 (32...Nd3 33.b7 Ne1 34.Ne5+–) 33.b7 1–0. michaelbuss (2810) – Spectrum5 (1855), ChessWorld.net, 2014.

7.h3 Be6 8.Be2=.

6.d4 ed4

7.ed4 d5 8.c5 0–0 9.Be2 Bf5 10.–0 Re8 11.b5 c6 12.a4 Nbd7 13.Nbd2 Ne4 14.Ne4 de4 15.Nd2 (15.Ne1!?+=) 15...Nc5!–/+ 16.dc5 Bb2 17.Ra2 Bd4 18.Nb3 Be5 19.Qd8 Red8 20.bc6 bc6 21.Na5 Be6 22.Bc4 Bc3 23.Be6 Ba5 24.Bc4 Rd4 25.Ba6 Rb8 26.Rc1 Rbb4 27.Rca1 Rd5 28.Rc2 Bc7 29.a5 Be5 30.Rac1 Kf8 31.g3 Ke7 32.Kg2 Rdd4 33.Rc4 Rdc4 34.Bc4 Bd4 35.Ba6 (better is 35.Be2–+) 35...Rb2 36.Kh3 Bf2 37.Rc4 f5 0–1. Bychkova,Ekaterina – Torosian,Asia, UKR–ch sf U18 Girls, 2008.

7.ed4 Qe7 8.Be2 0–0 (8...d5 9.c5+=) 9.0–0 Bg4 (9...d5 10.c5+=) 10.Nc3 Na6 (10...d5 11.c5=) 11.b5 Nb8 12.a4 (12.Re1 Re8+=) 12...a6 (12...Re8 13.Re1+=) 13.Bd3 (13.h3 Be6+=) 13...c5 (13...ab5 14.Re1 Qd7 15.cb5+=) 14.Re1 Qc7 15.d5 (15.dc5 dc5 16.Nd5 Nd5 17.Bg7 Kg7 18.cd5 Qf4+=) 15...a5 (15...Nbd7 16.h3 Bf3 17.Qf3+= (worse 17.gf3 Rfe8=+)) 16.h3 Bf3 17.Qf3 (17.gf3?! Nbd7=) 17...Nbd7 18.Re2 (18.Qg3 Rae8+=) 18...Rae8 19.Rae1 (19.Re8 Re8 20.Ne2 Ne5 21.Be5 Re5=) 19...Re2 (better 19...Ne5!? 20.Qe3 Nc4 21.Qe8 Ne8 22.Bc4 Be5–/+) 20.Re2 (20.Be2 Re8 21.Qf4 Nb6+=) 20...Re8 (20...Ne5 21.Qe3+=) 21.Re8 Ne8 22.Qg3 Be5 23.Qf3 Ndf6 (23...Bg7!?=) 24.Qe2 b6 (24...Nd7 25.Qe3+=) 25.Nd1 (25.Qe3+=) 25...Qd8 (better 25...Bb2!? 26.Nb2 Ng7+=) 26.Be5+– de5 27.Qe5 Qd6 (27...Nd7 28.Qg3+–) 28.Qd6 Nd6 29.Nc3 Nd7 30.f4 f5 31.Kf2 Nf6 32.Kf3 h5 33.g3 ½–½. jaddwarrior (2025) – BaelWrath (1695), ChessWorld.net, 2015.

7.Bd4 Nc6 8.Bc3 0–0 9.b5 Nb8 10.Nbd2 Re8 11.Bd3 Nbd7 12.Nb3 b6 13.0–0 Bb7 14.Nbd4 Nc5 15.a4 Nfe4 16.Bb2 Nd3 17.Qd3 Ng5 18.Nd2 Nh3 19.Kh1 Qh4 20.Qe2 Bd4 21.Bd4 Qd4 22.Nf3 Qg4 0–1. Bjornsson – Grober, Berkeley 1986.

7.Bd4 Nc6 8.Bc3 0–0 9.b5 Ne7 10.Be2 c6 11.0–0 d5 12.Nbd2 dc4 13.Bc4 cb5 14.Bb5 a6 15.Bc4 b5 16.Be2 Ned5 17.Bd4 Bf5 18.Qb3 Qe7 19.Rac1 Rfc8 20.Ng5 h6 21.Bf3 hg5 22.Bf6? (better is 22.Bd5 Nd5 23.Qd5+=) 22...Nf6–+ (22...Qf6?! 23.Bd5 Rc1 24.Rc1=) 23.Ba8 Ra8 24.Nf3 Ne4 25.Qd5 Rd8 26.Qc6 Qd6 27.Qd6 Rd6 28.Rfd1 Rd1 29.Rd1 Be6 30.Rd8 Kh7 31.Ra8 Ba2 32.Ra6 Bc4 33.Rb6 Bc3 34.Rc6? (34.h3–+) 34...Bd5 (better is 34...g4 35.Nd4 Be1–+) 35.Ng5–/+ Ng5 36.Rc3 Bc4 37.f3 Kg7 38.Kf2 Ne6 39.g3 Kf6 40.e4 Ke5 41.Ke3 g5 42.h4 gh4 43.f4 Kf6 44.gh4 Kg7 45.f5 Nd8 46.e5 ½–½. Kronenburg,Thorsten – Mussler,Thomas (2165), Frankfurt–ch, 2008.

7.Nd4 Nc6 8.Nc6+= bc6 9.Nd2 Rb8 10.Bc3 0–0 11.Be2 Ne8 12.Bg7 Ng7 13.Rb1 d5 14.cd5 cd5+= 15.0–0 d4 16.ed4 Bf5 17.Rb2 Qd4 18.Nc4 Ne6 19.Qc1 Nf4 20.Rd1 Ne2 21.Re2+/– Qf6 22.Ne3 Be6 23.Qc7 Rb4 24.Qa7 Rd8 25.Rde1 Qd4 26.Qe7 Ra4 27.h3 Rda8+= 28.Rd1 Qh4 29.Qc7 Ra2 30.Ra2 Ra2 31.Rd8 Kg7 32.Qe5 Kh6=+ 33.Rd4 Qf2 34.Kh2 g5?? 35.h4!+– gh4? 36.Rg4! Bg4 37.Ng4 Kg6 38.Qd6 Kg5 39.Nf2 Rf2 40.Kh3 Re2 41.Qd8 f6 42.Qg8 Kh6 43.Kh4 Re1 44.g4 Rh1 45.Kg3 Rg1 46.Kf2 Rb1 47.Qe6 Rb2 48.Kg3 Kg7 49.g5! (49.g5 fg5 50.Qe5 Kf7 51.Qf5 Kg7 52.Qg5 Kf7 53.Qf5 Kg8 54.Qe6 Kg7 55.Qe5 Kf7 56.Qb2+–) 1–0. Anastasian,A (2570) – Khmelniker,I (2455), 6th EICC, Warsaw Poland, 2005.

7.Nd4 Bd7 8.Be2 0–0 9.0–0 Nc6 10.b5 (10.Nc6 Bc6 11.Bf3 a5+=) 10...Nd4 (10...Ne5 11.Nc3=) 11.Bd4 Re8 (11...a6 12.Nc3=) 12.Nc3 Be6 (12...a6 13.Bf3 c5 14.bc6 bc6 15.Rb1+=) 13.Rc1 (13.Nd5 h6+=) 13...b6 (13...a6!?=) 14.Bf3 Rb8 (14...Rc8 15.Nd5+/–) 15.Bc6 (15.Nd5 Bf5+/–) 15...Bd7 16.Bf3 Be6 17.Qa4 (17.Nd5 Bd7+/–) 17...Nd7 18.Bg7 Kg7 19.Nd5 (19.Bc6 Rf8+/–) 19...Nc5 (19...Ne5!? 20.Qd1 a6+=) 20.Qa7+/– Bd5 21.Bd5 (21.cd5?? Ra8 22.Qa8 Qa8–+) 21...Qg5? (better is 21...Rc8+/–) 22.Qc7+– Nd3 (22...Qf6+–) 23.Qf7 Kh8 24.Rc3 Rf8 25.Qc7 Nc5 26.Qd6 Na4 27.Ra3 Nc3 28.Rc3 1–0. Fredek (2090) – Rojean, Freundschaftspartie, 5m + 0s, 2005.

7.Nd4 Ne4 8.Bd3+= Nf2 (8...Nf6!?+=) 9.Kf2+– Qf6 10.Qf3 (10.Kg1 c5 11.Bc3 cd4 12.Bd4 Qd4 13.ed4 Bd4 14.Kf1 Ba1+–) 10...Qf3+= 11.Kf3 (better 11.gf3 c5 12.Be4+=) 11...Nd7? (better 11...c5 12.Na3 cd4 13.ed4 0–0+=) 12.b5+– Ne5 13.Ke2 Bg4 (13...0–0 14.Nd2+–) 14.Kd2 0–0–0 (14...a6 15.Nc3+–) 15.Nc3 c5 (15...Rhe8 16.h3 Bd7 17.Be2+–) 16.bc6! bc6 (16...bc6 17.h3 Combination; 16...Nc6 17.Ncb5 Decoy) 17.h3 Bd7 (17...Nd3 18.Kd3 (18.hg4 Nb2 19.Nc6 Nc4 20.Kd3 Ne5 21.Ne5 de5 22.Ke2 Rd6=+) 18...Bd7 19.Rab1+–) 18.Be2 (18.Rab1 Nd3 19.Kd3 Rhe8+–) 18...c5 19.Ndb5 Bb5 (19...Be6 20.Nd5+–) 20.cb5 d5 21.Kc2 d4 (21...Rhe8 22.Rhd1 d4 23.ed4 cd4 24.Na4+–) 22.Na4 de3 (22...Bh6 23.ed4 cd4 24.Rad1+–) 23.Rad1 Rd1 (23...c4 24.Bd4+–) 24.Rd1 (24.Kd1?! Rd8 25.Kc1 Rd2+–; 24.Bd1?! Rd8 25.Bc3 Rd5+–) 24...Re8 (24...c4 25.Bd4+–) 25.Nc5 Bf8 (25...Re7 26.Kb3+–) 26.Bd4 f5 27.Na4 (27.Be3?! Ng4 28.Bg4 Re3+–) 27...Nd7 (27...h6 28.Ba7 f4 29.Nc5 Bc5 30.Bc5+–) 28.Ba7 Ne5 (28...Re4 29.Nb2+–) 29.Be3 Bb4 (29...Nd7 30.b6 Nb8 31.Rd3+–) 30.Bf4 Nf7 (30...g5 31.Bh5 Re6 32.Bg5 Be7+–) 31.Bf3 Nd8 32.Nb6 1–0. guestpljc – guestccjx, internet free game, 2018.

7.Nd4 Qe7 8.Be2 0–0 9.Nd2 Nc6 (9...c5 10.Nc2=) 10.a3 Nd4 11.Bd4 (worse is 11.ed4 Re8–/+) 11...Bd7 12.0–0 b6 13.Bf3 Rae8 14.Qb3 c5 15.Bc3 Bf5 16.b5 Be4?? (16...Qe6 17.h3 g5 18.Bc6+/–) 17.Ne4?? (better is 17.Bf6 Bf6 18.Be4 Ba1 19.Ra1+–) 17...Ne4+/– 18.Bg7 Kg7 19.Rfd1 Qe5 20.Rac1 Re6 21.Rd5 Qf6 22.Be4 Re4 23.Rcd1 Rd8 24.f3 Re5 25.e4 Rg5 26.Qd3 Rd5 27.Qd5 h5 28.e5! Qg5 29.ed6 Qe3 30.Kf1 Qa3 31.d7 Qc3 32.h3 Qc2 33.Rd2 Qc1 34.Kf2 Qc3 35.f4 h4 36.Qd3 Qf6 37.Kf3 g5 38.Qe4 gf4 39.Qf4 Qc3 40.Kg4?? f5!–+ 41.Kg5 Qf6 42.Kh5 Rh8 43.Qh6 Rh6# 0–1. orangutandu – livcom, kurnik, 2012.

7.Nd4 Bg4 8.Qb3 0–0 9.h3 Bd7 10.Bd3 Nc6 11.0–0 Nd4 12.Bd4 b6 13.Nd2 Re8 14.a3 Bc6 15.Qb2 Nh5 16.Bg7 Ng7 17.Be2 Qe7 18.Bf3 ½–½. Kuhlmann,AEJ – Dopper,Johan, corr 3GMM½–06, 1998.

7.ed4 0–0

8.Be2 d5 9.c5 b6 10.0–0 bc5 11.dc5 c6 12.a4 Nbd7 13.Qc2 Bb7 14.b5 Qc7 15.Bd4 Ne4 16.Bg7 Kg7 17.Nbd2 Nec5 18.Rfe1 Ne6 19.Rab1 c5 0–1. W Labahn – Gehrmann, 1980.

8.Be2 Re8 9.Nc3 c5 10.dc5 dc5 11.Qd8 Rd8 12.bc5 Nc6 13.Na4 Re8 14.Kf1 Bf5 15.h3 Re7 16.Re1 Rae8 17.Bc3 Bc2 18.Nb2 Ne4 19.Bg7 Kg7 20.a3 f5 21.h4 Ne5 22.Rc1 Nf2 23.Kf2 Ng4 24.Kg3 Re2 25.Rhe1 Nf6 26.Kh2 Re1 27.Re1 Re1 28.Ne1 Bb1 29.Ned3 Ng4 30.Kg3 Kf6 31.a4 Ne3 32.Kf2 Nc4 33.Nc4 Bd3 34.Nd6 Be4 35.g4 Bc6 36.gf5 gf5 37.Ke3 Ke5 38.Nf7 Kd5 39.a5 Kc5 40.Ng5 Kb5 41.Nh7 Ka5 42.h5 b5 43.Nf6 b4 44.Kd2 1–0. Markus,Roland – Dopper,Johan, corr TKM/A005, 2000.

8.Be2 Bf5 9.0–0 d5 10.Nc3 dc4 11.Bc4 Nc6 12.Qb3 a5 13.a3 Ne4 14.Ne4 Be4 15.Ne5 Ne5 16.de5 a4 17.Qe3 Bf5 18.Rac1 Qe7 19.e6 Be6 20.Bg7 Kg7 21.Be6 Qe6 22.Qe6 fe6 23.Rc7 ½–½. Nicholls – Bormida, 1998.

8.Be2 Nh5 9.Qd2 Re8 10.0–0 c6 11.Nc3 Na6 12.b5 Nc7 13.a4 a6 14.b6 Ne6 15.a5 f5 16.Rfe1 Bd7 17.Bf1 Nf6 18.Ba3 d5 19.c5 Ne4 20.Qe3 Qf6 21.Ne2 g5 22.Ne5 Bc8 23.Rac1 Nd4 24.Nd4 Re5 25.Bb2 Re8 26.Qd3 Qg6 27.Rc2 g4 28.g3 Bd7 29.Bg2 Bf6 30.Bc1 Re7 31.Bf4 Nc5 32.Qd2 Re1 33.Qe1 Bd4 34.Qd1 Ne6 35.Re2 Bc3 36.Qa4 Qg7 37.Bd6 Re8 38.Re3 Bd4 39.Re1 h5 40.Bf1 c5 41.Qa2 c4 42.Bb4 f4 43.Qc2 fg3 44.hg3 Qf6 45.Bg2 Bc6 0–1. Kasper – Neubert, corr DDR–M–806 1988.

7.Qd4 0–0

8.Be2 a5 9.b5 Bf5 10.Qh4 Nbd7 11.Nbd2 Nc5 12.0–0 Re8 13.Rfd1 Bc2 14.Rdc1 Bd3 15.Re1 a4 16.Bd4 Be2 17.Re2 Nfd7 18.Qd8 Rad8 19.Bg7 Kg7 20.Nf1 Ne4 21.Ng3 Ng3 22.hg3 Re4 23.Nd2 Re6 24.Rc1 Rde8 25.Nf3 f5 26.Ng5 R6e7 27.Nf3 h5 28.Rd2 Nc5 29.Rd4 b6 30.Rcd1 Ne4 31.R4d3 Kf6 32.Kf1 Nc5 33.Rd4 g5 34.Rd5 Ne4 35.R1d3 Kg6 ½–½. Roldan – de Leeuw, 1998.

8.Be2 c5 9.Qc3 cb4 10.Qb4 Nc6 11.Qb3 Be6 12.Ng5 Bf5 13.Nc3 Na5 14.Qa4 Ne4 15.Nge4 Be4 16.f3 Bf5 17.e4 Be6 18.Rb1 Rc8 19.Nd5 b6 20.0–0 Qg5 21.f4 Qd8 22.Bd3 Bd5 23.cd5 Bb2 24.Rb2 Qf6 25.e5 de5 26.Rd2 ef4 27.Rf4 Qc3 28.Rd1 Qe5 29.Bb5 Qe3 30.Kf1 Rc1 31.Rfd4 Rfc8 32.R4d2 0–1. Kucharkowski – Renitzsch, Freital 1987.

8.Qh4 Ng4 9.Qd8= Rd8 10.Nc3 a5 11.b5 a4 12.a3 Nd7 13.Nd2 Nc5=+ 14.Nd1 Bb2 15.Nb2= Bf5 16.Be2 Nf6 17.0–0 Nfe4 18.Ne4 Be4 19.f3 Bf5 20.e4 Be6 21.Rad1 Kf8 22.Rd4 Ke7 23.Bd1 c6 24.bc6 bc6=+ 25.f4 Rdb8 26.Rf2 Nb3 27.Rd3 Ra5 28.g4 Rc5 29.Rh3 Na5 30.Ba4 Nc4 31.Nd3 Rb1 32.Kg2 Ra5 33.Bc2 Ra1 34.f5= gf5 35.gf5 Bd7 36.a4 c5 37.Bb3 Nb6= 38.Rh7 c4 39.f6 Kd8 40.Ra2?? Ra2–+ 41.Ba2 cd3 42.Kf2 Ba4 43.Ke3 Be8 (43...Be8 44.Bb3 Rb5–+) 0–1. Neymeyer – Scherf,Siegfried, Bezirks–Fernschach–M, 1972.

8.Be2 Nc6

9.Qc3 b6 10.0–0 Bb7 11.b5 Na5 12.Nd4 c5 13.bc6 Nc6 14.Bf3 Nd4 15.ed4 d5 16.Nd2 Qd7 17.Rfe1 Rac8 18.Qb3 Rc7 19.a4 Rfc8 20.Be2 Qc6 21.Bf3 Ba6 22.Bd5 Nd5 23.cd5 Qc2 24.Qc2 Rc2 25.Bc1 Bd4 26.Rb1 Bc3 0–1. Trokenheim – Soender, itsyourturn.com, 2000.

9.Qc3 Ne5 10.Ne5 de5 11.Nd2! Bg4 12.f3 Be6 13.0–0 c6 14.Rfd1 Qc7 15.Kh1 Ne8 16.e4 f5 17.c5 (idea Nc4) 17...b5!? 18.cb6 ab6 19.Rdc1! Ra2 20.Ra2 Ba2 21.Qc6 Qc6 22.Rc6 Rf6 23.Rf6 (23.Rc8!) 23...Bf6 24.ef5 gf5 25.Bc4 Bc4 26.Nc4 b5 27.Ne5–+. Brauer – Vogel, corr 1976.

9.Qc3 Qe7 10.0–0 a5 11.b5 Nd8 12.a4 Ne6 13.Nbd2 b6 14.Nb3 Ne4 15.Qc2 Bb2 16.Qb2 Bb7 17.Nfd2 f5 18.Ne4 fe4 19.Rad1 Rf5 20.Nd4 Nd4 21.Qd4 Raf8 22.Rd2 Rg5 23.Bd1 h5 24.Rc2 Kh7 25.Be2 Re5 26.Bd1 Bc8 27.Be2 Bg4 28.Bd1 Qg5 29.Kh1 Bd1 30.Qd1 Ref5 31.Qe1 Qg4 32.Rg1 h4 33.h3 Qh5 34.Rf1 g5 35.Qe2 ½–½. Wolf – Anton, corr 1981.

9.Qc3 Qe7 10.b5 Nd8 11.0–0 Ne6 12.Nbd2 Ne4 13.Qc2 Nd2 14.Nd2 Nc5 15.Bg7 Kg7 16.Nb3 Bf5 17.Qc3 Qf6 18.Qf6 Kf6 19.Nc5 dc5 20.g4 Be6 21.f4 Rad8 22.Rae1 Rd2 23.f5 gf5 24.gf5 Rg8 25.Kh1 Bc8 26.a4 Ra2 27.e4 Ke5 28.a5 Ra5 29.Bh5 f6 30.Rd1 c6 31.Rf2 Ra3 32.bc6 bc6 33.Rg2 Rg2 34.Kg2 Ke4 35.Be8 Bf5 36.Bc6 Kf4 37.Rd6 Ra6 38.Kf2 Be4 39.Rf6 Ke5 0–1. Eichsteller – Kuhlmann, corr ICCF 1984.

7.Qd4 Nc6

8.Qc3 0–0 9.Be2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.d4 e5 7.Be2 ed4 8.Qd4 Nc6 9.Qc3).

8.Qc3 Bf5 9.Qd2 =+.

8.Qc3 Nh5 9.Qd2= Bb2 10.Qb2 Qf6 11.Nc3 0–0 12.Be2 Be6 13.0–0 Ne5 14.Ne5 Qe5 15.Qd2 Ng7 16.f4 Qf6 17.Qd4 Qd4 18.ed4 c6 19.d5 cd5 20.cd5 Bd7 21.Ne4+/– Ne8 22.g4 f5= 23.gf5 Bf5 24.Ng5 Rc8 25.Rac1 Ng7 ½–½. Golltz – Lipper,Manfred, corr DDR, 1988.

7.Bd4 0–0

8.a3 b6 9.Be2 Bb7 10.Nbd2 c5 11.Bb2 Nc6 12.b5 Na5 13.Rc1 d5 14.0–0 d4 15.ed4 cd4 16.Bd4 Qc7 17.Bc3 Rad8 18.Ba5 ba5 19.Qc2 Rfe8 20.Bd3 Qd6 21.Ne1 Re1 22.Rfe1 Qd3 23.Nb3 Ng4 24.Qd3 Rd3 25.Nc5 Ra3 26.Nb7 Bd4 27.Re2 a4 28.c5 Rb3 29.c6 Bb6 30.h3 Nf6 31.c7 Bc7 32.Rc7 Rb5 33.Nd6 Rd5 34.Nf7 a3 35.Ra7 Rd1 36.Kh2 h5 37.Ng5 Rd5 38.h4 Ng4 39.Kg3 Nf6 40.f3 Rd8 41.Ra3 Kg7 42.Re7 Kh6 43.Ra6 Rd5 44.Rf6 Rg5 45.hg5 Kg5 46.Ree6 h4 47.Kf2 Kh5 48.Rg6 h3 49.Rh6 Kg5 50.Rh3 Kf5 51.Ra6 Kg5 52.Rg3 Kh5 53.Rg4 ½–½. barborski (1630) – 19daria, kurnik, 2012.

8.Nbd2 Nc6 9.b5 Nd4+= 10.Nd4 Re8 11.Be2 Nd7 12.0–0 Nc5 13.N2b3 b6 (13...a6!?+=) 14.Bf3= Rb8?? (14...Ne4 15.Be4 Re4 16.Nd2=) 15.Rc1 (better is 15.Nc6 Qh4 16.Nb8 Ba1 17.Qa1 (17.Na1?! Be6 18.Nc6 Bc4+–) 17...Qc4 18.Nc5 bc5 19.Rc1+–) 15...Nb3 16.ab3 Bd4 17.Qd4 Bb7 18.Bb7 Rb7 19.Ra1 Qg5 20.g3 (better is 20.Ra6+/–) 20...f5?? (better is 20...Qe5+/–) 21.h4 Qh6 22.Qd5 Kf8 23.Qb7 Re4 24.Qc7 Qg7 25.Qg7 Kg7 26.Ra7 Kf6 27.Rd1 1–0. orangutandu – mariuszmad, kurnik, 2012.

8.Nbd2 Nc6 9.Bc3 Bf5 10.a3 Ne4 11.Bg7 Kg7 12.Be2 Nc3 13.Qb3 Ne2 14.Ke2 Ne5 15.e4 Bg4 16.Qc3 Re8 17.h3 Bf3 18.Nf3 Kg8 19.Ne5 Re5 20.f3 f5 21.Kf2 fe4 22.fe4 Re4 23.Rhf1 Qe7 24.Kg1 Rf8 25.Rf8 Qf8 26.Rf1 Qe7 27.c5 dc5 28.bc5 Qe5 29.Qb3 Qe6 30.Qb7 Re1 31.Re1 Qe1 32.Kh2 Qe5 33.Kh1 Qc5 34.a4 Qc1 35.Kh2 Qf4 36.Kh1 Qa4 37.Qc8 Kg7 38.Qc7 Kh6 39.Qf4 Qf4 40.Kg1 a5 41.Kh1 a4 42.g4 a3 43.Kg2 a2 44.g5 Kg7 45.h4 a1Q 46.h5 Qe3 47.h6 Kf7 48.Kh2 Qb2 49.Kh1 Qe1 0–1. barborski – mowmidonek (1615), kurnik, 2012.

8.Be2 Nc6 9.Bc3 a6 10.0–0 Re8 11.Nbd2 Bf5 12.Qb3 Qd7 13.Nd4 Nd4 14.Bd4 c6 15.Rfd1 d5 16.cd5 cd5 17.Bd3 Be6 18.Rac1 Rac8 19.a3 Qd6 20.Qb2 Ng4 21.g3 Bd4 22.Qd4 Qe5 23.Qe5 Ne5 24.Be2 Nc4 25.Bc4 dc4 26.Ne4 Red8 27.Nc5 Rd1 28.Rd1 b6 29.Na6 c3 30.b5 Bc4 31.a4 Bb3–/+ 32.Rc1 Ba4 33.Nb4 Bb5 34.Nd5 Rc5 35.Nc3 Bc6 36.Ne2 Rc1 37.Nc1 Kf8 38.Kf1 Ke7 39.Ke2 Kd6 40.Kd3 Kc5 41.Kc3 Kd5 42.f3 Ke5 43.Nd3 Kf5 44.e4 Kg5 45.Nb4 Bb7 46.Kc4 f5 47.ef5 gf5 48.f4 Kg4–/+ 49.Kb5 Kh3 50.Kb6 Be4 51.Kc5 Bd5 (51...Bd5 52.Nd5 h5+–). ludice (1770) – kosyakov89 (1850), kurnik, 2011.

8.Be2 Nbd7 9.a3 b6 10.Nbd2 Bb7 11.0–0 Ne4 12.Bg7 Nd2 13.Bf8 Nf3 14.Bf3 Bf3 15.Qf3 Nf8 16.Rad1 a5 17.c5 ab4 18.ab4 Ra2 19.cd6 cd6 20.Qd5 Rb2 21.Qd6 Qd6 22.Rd6 Rb4 23.g3 Kg7 24.Rc1 Ne6 25.Rcc6 b5 26.Re6 fe6 27.Re6 Rb1 28.Kg2 b4 29.Rb6 b3 30.h4 b2 31.Kf3 h5 32.e4 Kf7 33.e5 Ke7 34.Kf4 Kf7 35.Kg5 Re1 36.Rb2 Re5 37.Kf4 Rc5 38.Rb4 Kf6 39.Rb6 Kf7 40.f3 Rd5 41.Rb4 Ra5 42.g4 hg4 43.fg4 Kf6 44.Rb6 Kf7 45.Rb4 Kf6 46.Re4 Kf7 47.g5 Rb5 48.Kg4 Rc5 49.Rf4 Kg7 50.Rd4 Kf7 51.h5 gh5 52.Kh5 Ra5 53.Kh6 Ra6 54.Kh5 Re6 55.Rb4 Rc6 56.g6 Kg7 57.Rb7 Kf6 58.Rf7 Ke6 59.Kh6 Rc8 60.Kh7 Re8 61.Rb7 Kf6 62.g7 Re1 63.Rb6 Ke7 64.g8Q Rh1 65.Rh6 Rh6 66.Kh6 1–0. barborski – szefuncio1981 (1625), kurnik, 2012.

7.Nd4 0–0

8.a3 a6 9.Be2 c5 10.Nf3 Nc6 11.Nc3 cb4 12.ab4 Nb4 13.0–0 Nc6 14.Qb3 Nd7 15.Qa3 Nc5 16.Nd5 Be6 17.Bg7 Kg7 18.Qb2 f6 19.Nd4 Bf7 20.Rfd1 Ne5 21.Nb3 Ned7 22.Nc5 Nc5 23.Bf3 a5 24.h4 a4 25.h5 gh5 26.Ra3 Re8 27.Rd4 Re5 28.Rf4 Bd5 29.Bd5 Rg5 30.Rh4 Qe8 31.Rh3 Rd8 32.f4 Rg4 33.Bf3 Qg6 34.Qa1 h6 35.Rh2 Re8 36.Qd1 f5 37.Bg4 hg4 38.g3 Re6 39.Rb2 Qf6 40.Rb6 Qd8 41.Rb2 Kg6 42.Kg2 Qf6 43.Rb5 h5 44.Qd4 Re4 45.Qd5 Kg7 46.Rb6 Re6 47.Qd4 Kf7 48.Ra1 Qe7 49.Qh8= Re3 ½–½. Kural,A Serhat (2260) – Bekkesletten,Cato (2375), WC35/pr04 ICCF, 2011.

8.Nb3 Nc6 9.Qd2 =+.

8.Nb3 Re8 9.Be2 Nc6 10.b5 Ne5 11.Nc3 Be6=+ 12.Nd5 Ne4 13.Qc2 f5 14.Nd4 Bf7 15.0–0 c6 16.Nf4 Rc8 17.bc6 bc6 18.Rad1 Re7 19.Rfe1 Rb8 20.Ba1 Reb7 21.Nfe6 Be6 22.Ne6 Qh4 23.g3 Qh6 24.Ng7 Kg7? 25.f4 (25...Ng3 26.hg3+– (26.Be5?! de5 27.hg3 Qh3+/–)) 1–0. Pietrzak,Janusz – Rosikiewicz,Wieslaw(+), corr 1.AMM Poland, 1991.

8.b5 Ng4 9.Qd2 Nd7 10.Nc3 Nc5 11.h3 Qh4 12.g3 Qh6 13.0–0–0 Nf6 14.Bg2 Be6 15.Qe2 Nfd7 16.f4 Nb6 17.Nd5 (17.Ne6!? fe6 18.h4=) 17...Bd5–/+ 18.cd5 a6 19.h4 ab5 20.g4 Bh8 (20...Ra2?! 21.g5 Rb2 22.Kb2 (22.gh6? Bd4 23.Qb2 Bb2 24.Kb2 Nc4 25.Kb1 Re8–+) 22...Bd4 23.Rd4=) 21.g5 Qg7 22.h5 Rfe8 (22...Ra2 23.h6 Qd4 24.ed4= (24.Bd4?? Re2 25.Bf1 Rf2–+; 24.Rd4? Nc4–+)) 23.Qb5 Re3 24.h6 Qf8 25.Kb1 Nba4 26.Ba1 Ra6 27.Kc2? (27.Qc4 Qe7–+) 27...Rb6 (better is 27...Ra3 28.Qb1 Rb6–+) 28.Qc4 Qe7 29.Rd2 Re1 30.Re1–/+ Qe1 31.Qf1 Rb1 32.Qe1 Re1 33.Bb2?? Nb2 34.Kb2 Bd4 35.Rd4 Re2 36.Kc1 Rg2 0–1. Kaenel,Hansjuerg (2350) – Bischoff,Klaus (2510), SUI–ch int Switzerland, 1992.

8.b5 Ng4 9.Qd2 Re8 10.Nc3 Bh6 11.Nd1 Nd7 12.Be2 Nc5 13.0–0 Na4 14.Bc1 a6 15.Qc2 ab5 16.cb5 Bg7 17.Rb1 Qe7 18.Rb4 Nb6 19.a3 Nf6 20.Nc3 Bd7 21.Bf3 Ra7 22.h3 d5 23.Rd1 Ne4 24.Nce2 Nc4 (24...Be5!?=) 25.Be4+= Qe4 26.Qe4 Re4 (26...de4?? 27.Rc4 Be5 28.Nc3+–) 27.Nc3 Re8 28.Nd5 Na3 29.Nc7 Rd8 (29...Rc8 30.Nd5 Kh8 31.Nb6+–) 30.b6 Ra4 31.Ba3 Ra3 32.Nc6! bc6 (32...bc6 33.b7 Passed pawn; 32...Bc6 33.Rd8 Pinning (33.Rd8 Deflection; 33.Rd8 Clearance)) 33.b7 Rb8 34.Rd7 Be5 (34...Ra1 35.Kh2 Ra7+–) 35.f4 c5? (35...Bc3 36.Re4 Kf8+–) 36.Rb6 (36.fe5 cb4 37.e6 fe6 (37...Rb7 38.ef7 Kg7 39.Ne6 Kf6 40.f8Q Ke5 41.Qd6 Kf5 42.Ng7 Ke4 43.Qe6) 38.Ne6 Ra6–/+ (38...Re3?? 39.Rd8 Rd8 40.Nd8+–)) 36...Ra7 (36...Bc3 37.Nb5 Rb3 38.Rc7+–) 37.Na6 (37.Na6 Rab7 38.Rbb7 (38.fe5?! Rb6 39.Nb8 Rb8=) 38...Rb7 39.Rb7+– (39.fe5? Rd7 40.Nc5 Rd5–+)) 1–0. Kaenel,Hansjuerg (2395) – Wildi,Marcel (2285), Baden Casino op, 1999. (=1.Nf3 g6 2.d4 Bg7 3.c4 d6 4.e3 Nf6 5.b4 e5 6.Bb2 ed4 7.Nd4 0–0)

8.Nc2 c5 9.b5 Bf5 10.Bd3 Ne4 11.Bg7 Kg7 12.Be4 Be4 13.0–0 Qf6 14.Nd2 (14.Qd2 Qe6=) 14...Bd3 15.Re1 Qc3 (15...Qb2!? 16.Rc1 a6=) 16.Rc1= Bc2 (16...a6 17.Nb1 Bc2 18.Rc2+/–) 17.Qc2 (17.Rc2 Qe5+/–) 17...Qe5 (17...Qc2 18.Rc2 f5 19.Nf3+=) 18.Nf3 (18.Qe4 Qe4 19.Ne4 b6+/–) 18...Qf6 (18...Qe7 19.Qd3+/–) 19.Rcd1 (19.Qe4 Nd7+/–) 19...Rd8 20.Rd5 a6 (20...Nd7 21.Red1 Nb6 22.R5d3+=) 21.a4 (21.Red1!?+/–) 21...ab5 22.ab5 Ra1 23.Red1 Rd1 24.Qd1 Kf8 25.Ng5+– h6?? 26.Ne4 Qe6 27.Nd6 b6 28.h3 f5 29.Nb7 Rd5 30.Qd5?? Qd5= 31.cd5 Ke7 32.d6 Kd7–/+ 33.Kf1 Ke6?? 34.Ke2 Nd7= 35.f4 Nf6 36.Kd3 Ne4 37.Kc4?? Nd6–+ 38.Nd6 Kd6 39.g4? fg4 40.hg4 h5 41.gh5 gh5 42.Kd3 h4 43.Ke2 h3 44.Kf3 c4 45.Kg3 c3 46.Kh3 c2 0–1. bluepiramid2 (1770) – marcopolo60 (1690), kurnik, 2011.

8.Nc3 a5 9.b5 Nbd7 10.Be2 Nc5 11.0–0 a4 12.Ba3 Qe7 13.Rc1 Bd7 14.Bf3 Nfe4 15.Nd5 Qd8 16.Qc2 Re8 17.Rfe1 c6 18.bc6 bc6 19.Nb4 Qc7 20.Rcd1 Rad8 21.g3 f5 22.h4 h6 23.Ne2 Be6 24.Nd4 Bd7 25.Kg2 Rb8 26.Be4? fe4 27.Ne2 Bg4 28.Rd2 Bf3 29.Kh2 Bg4 30.Nd4 Rb6 31.Ne2 Reb8 32.Nd4? Rb4 33.Bb4 Rb4 34.Rb1 Rb1 35.Qb1 Bc8 36.f3 Qd7 37.Qf1 ef3 38.Qf3 Kh7 39.Kg1 d5 40.Ne2 Ne4 41.Rc2 0–1. Sviridov,Valentin – Baumgartner,Heinz, Havirov, 1968.

8.Nc3 Re8 9.Be2 a5 10.a3 ab4 11.ab4 Ra1 12.Qa1 Na6 13.b5 Nc5 14.0–0 Ng4 15.Qd1 Ne5 16.Qc2 Qh4 17.Nd5 c6 18.Nf4 Bh6 19.bc6 bc6 20.Nf3 Bf5 21.Qc3 Qe7 22.Nd4 Bd7 23.Ra1 Qf6 24.Ra7 Bf4 25.ef4 Qf4 26.Bf3 Ncd3 27.Ne2 Qh4 28.Qd4 Qg5 0–1. Liptak – Sturm, 1996.

8.Bd3 Bg4 9.f3 Be6 +=.

8.Be2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.d4 e5 7.Be2 ed4 8.Nd4).

6.d4 Nbd7

7.Qc2 Qe7 8.Be2 0–0 9.Nc3 Re8 10.0–0 e4 11.Nd2 c6 12.a4 h5 13.Rfd1 Nf8 14.d5 h4 15.a5 h3 16.g3 a6 17.Na4 Bf5 18.Nb6 Rad8 19.Nb3 Ng4 20.dc6 bc6 21.Nd4 Ne5 22.Nf5 gf5 23.b5 Ne6 24.Rab1 Qg5 25.Be5 Be5 26.bc6 Qg6 27.Nd5 Kh8 28.Rb7 f4 29.ef4 Bf4 30.Bf1 Be5 31.c7 Rc8 32.Bh3 f5 33.Bg2 Nc5 34.Ra7 Qf7 35.Rb1 Nd3 36.Rb8 Bd4 37.Raa8 Qf8 38.Rc8 Rc8 39.Rc8 Qc8 40.Qb1 Nb2?? 41.Qc1 Bg7 42.Qg5 (42.Qg5 Nd1 43.Ne7 Qf8 44.c8Q Kh7 45.Qg6 Kh8 46.Qf8 Bf8 47.Qg8#) 1–0. Webster,Andrew (2395) – Cobb,James (2245), Aberdeen op, 1994.

7.Be2 0–0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.d4 Nbd7 7.Be2 e5).

7.de5 de5 8.Ne5 0–0 9.Be2 Ne4 10.Nd3 Ndf6 11.f3 Nd6 12.Qb3 b6 13.0–0 Bb7 14.e4 Re8 15.e5 Nd7 16.ed6 cd6 17.Qc2 Rc8 18.Bg7 Kg7 19.Qb2 Kg8 20.Na3 Qg5 21.Rad1 Ba6 22.b5 Bb7 23.Qd2 Qe7 24.Rfe1 d5 25.Bf1 Qa3 26.Re8 Re8 27.cd5 Bd5 28.Nf4 Qc5 29.Kh1 Nf6 30.Nd5 Nd5 31.Qd5 Qd5 32.Rd5 Re1 33.Kg1 Kf8 34.Kf2 Ra1 35.Bc4 Rc1 36.Rd4 Rc2 37.Kg3 Ke7 38.Rf4 f5 39.Rd4 Ke8 40.a4 Rc3 41.Bg8 h6 42.Bh7 Kf7 43.Rd7 Kf6 44.Rd6 Kg7 45.Bg6 Ra3 46.Bf5 Ra4 47.Rg6 Kf7 48.Rh6 Ra5 49.Bd3 Ra3 50.Be2 Ra2 51.Kf2 Ke7 52.Rh7 Kd6 53.h4 Ra4 54.Rh8 Kc7 55.h5 Rh4 56.h6 Rh5 57.h7 Kd6 58.Bd3 Rd5 59.Rd8 Kc5 0–1. Chess4Win – akuuuut, lichess.org, 2019.

7.de5 Ne5 8.Ne5+/– (< 8.Be5 de5 9.Qd8 Kd8=) 8...de5 9.Qd8 Kd8 10.Be5 Be6 11.Nd2 Ke7 12.Bc7?? (12.Nb3+/–) 12...Rac8?? (better is 12...Ne8 13.0–0–0 Nc7–+) 13.Be5+– Rhd8 14.Be2 Ne8? 15.Bg7+– Ng7 16.c5 Rd7 17.Ne4 Rcd8 18.0–0 Bd5 19.Nd6 Ne8 20.Bb5 Bc6 21.Bc6 bc6 22.Nc4 Rb8 23.a3 Nf6 24.Rad1 Rd1 25.Rd1 Nd5 26.Ne5 Rc8 27.Nc6! Rc6 28.Rd5 Ra6 29.Rd3 f6 30.f4 Ke6 31.e4 h6 32.g4 Ke7 33.Kf2 Rc6 34.Ke3 a5 35.Rd4 ab4 36.ab4 Rc8 37.Kd3 Ra8 38.Kc4 Ra2 39.h4 Rg2 40.g5! hg5 41.hg5 fg5 42.fg5 Rg5 43.b5 Rg1 44.Rd3 g5 45.b6 Rc1 46.Kd5 g4 47.Rb3 Rd1 48.Kc6 Rd6 49.cd6 (49.cd6 Kd8 50.b7 Ke8 51.b8Q Kf7 52.Rb7 Kf6 53.Qf8 Kg5 54.Rh7 g3 55.Qf5#) 1–0. wybitnytalent – edmond12, kurnik, 2011.

7.de5 Ng4 8.Be2 Nge5 9.Qc2 Nf3 10.Bf3 Ne5 11.Be2 0–0 12.0–0 Qh4 13.Nd2 Be6 14.f3 f5 15.Rac1 Rae8 (16.f4 Ng4 17.Bg4 Bb2 18.Qb2 Qg4=; 15...f4 16.Qe4=+). Grund,Karl – Kapustin, corr, 1973.

6.d4 e4

7.Nfd2 a5 8.ba5 (8.b5 0–0=) 8...0–0 9.Nc3 Re8 10.Nb3 (10.Be2 Nc6=) 10...Nc6 (10...Bg4 11.Be2 Be2 12.Qe2=) 11.Qd2 (11.Be2 Na5 12.0–0 Be6 13.Na5 Ra5=) 11...Bf5 (11...Na5 12.Na5 Ra5 13.Ne4 Ne4 14.Qa5–/+) 12.Be2 Qd7 (12...Ng4 13.0–0+=) 13.0–0+= Bg4 14.Bg4 (14.f3 ef3 15.Bf3 Bf3 16.Rf3 Ne4 17.Ne4 Re4+=) 14...Qg4 15.Nb5 Qd7 16.Rad1 (16.Rab1 Ra6+=) 16...h5 (16...Ne7 17.Na3=) 17.a4 (17.Rb1 h4+=) 17...Nb4?? (better is 17...h4+=) 18.Qb4+– (18.Qb4 h4 19.f3+–) 1–0. Fischer,Detlev – Bauer,J, BdF, 1986.

7.Nfd2 Nc6 8.a3 0–0 9.Nc3 Re8 10.Be2 a6 11.0–0 b6 (11...h5 12.h3=) 12.h3 Bb7 13.Qc2 e4 seems the pivot of the position 13...d5 (13...Nb8 14.Rfd1+=) 14.cd5+– Nd5 15.Nde4 Nf6 (better 15...Nc3!? 16.Nc3 Ne7+–) 16.Nf6+– Qf6 17.d5 Ne7 18.e4 Rad8 19.Rad1 (better 19.Na4 Qd6 20.Bg7 Kg7 21.Rac1+–) 19...b5? (better 19...Qf4+–) 20.Na4 Qf4 21.Bg7 Kg7 22.Nc5 Bc8 23.Qc3 Kg8 24.Rfe1 Rd6 25.Bf3 White plans e5 25...h6 (25...Red8+–) 26.e5 Rdd8 (26...Rb6 27.Ne4 Nd5 28.Rd5+–) 27.Ne4 Kg7 (27...Nd5 28.Rd5! Rd5 29.Nf6 Qf6 30.ef6+– (30.Bd5?! Qe7+–)) 28.g3 Qf5 (28...Nd5 29.Rd5 Qf3 30.Qf3 Rd5 31.Qc3+–) 29.Bg4 Qg4 (29...Qe4 30.Re4 Bg4 31.e6 f6 32.hg4 Rc8+–) 30.e6 f6 31.Qf6 Kg8 (31...Kh7 32.Qf7 Kh8 33.Nf6 Qg3 34.fg3 Be6 35.Qh7) 32.Qf7 Kh8 33.Nf6 (33.Nf6 Qg3 34.fg3 Be6 35.Qh7) 1–0. Pierre – Strafck, internet, 2019.

7.Nfd2 Nc6 8.Nc3 Bg4 9.Qc2 =.

7.Nfd2 Qe7 8.Nc3 0–0 9.Qc2 d5 (better is 9...Bf5!?=) 10.cd5+/– Qb4 (10...Bf5 11.h3+/–) 11.Rb1 (11.Nc4 Qe7 12.Ba3 Qd8 13.Bf8 Bf8+–) 11...Qe7 (11...Rd8 12.Ba3 (12.Nce4?! Ne4 13.Qe4 Bf5=) 12...Qa3 13.Nb5+/–) 12.Nde4 (12.Nb5 Nd5 13.Ba3 Qd8 14.Bf8 Bf8+–) 12...Bf5 13.Nf6 Bf6 14.Bd3 Bd3 15.Qd3 b6 16.e4 Nd7 17.0–0 Bg7 18.e5 Rfe8 19.f4 Qh4 20.g3 Qg4 21.Qe2 Qf5?? 22.Qe4 Qh3 23.Rbe1 Nf6 24.Qg2 Qg2 25.Kg2 Ng4 26.h3 Nh6 27.g4 Kh8?! 28.Ne4 Rad8 29.d6 cd6 30.Nd6 Re7 31.g5 Nf5 32.Nf5 gf5 33.Rd1 Red7 34.Kf3 Rd5 35.Ke3 Bf8 36.Rc1 Kg7 37.Rc7 R8d7 38.Rd7 Rd7 39.Rc1 h6 40.h4 hg5 41.hg5 Bb4 42.Rc6 Be1? 43.Rf6 Rc7 44.Kd3 Bg3 45.Rf5 Rc6 46.d5 Rc5 47.e6 Kg8 48.Rf7 Rd5+– 49.Ke4 Rd2 50.Bf6 Rf2 51.Be5 Bh2 52.Ra7 Re2 53.Kf5 Kf8 54.g6 Bf4 55.Bf4 (55.Bf4 Re5 56.Be5 Ke8 57.Kf6 b5 58.Ra8#; 55.g7 Kg8 56.Ra8 Kh7 57.Rh8) 1–0. ludice (1685) – piki127 (1665), kurnik, 2011.

7.Nfd2 Bf5 8.Be2 0–0 9.Nc3 c6 10.d5 (10.g4!? Be6 11.g5+=) 10...Nbd7 11.g4 Ng4 12.Bg4 Bg4 13.Qg4 Ne5? (better 13...f5 14.Qe2 Ne5=) 14.Qe4+– f5 15.Qc2 Qh4 16.0–0?? (better 16.Ne2!? Ng4 17.Ng3 Bb2 18.Qb2+–) 16...f4 (better 16...Nf3! 17.Nf3 Qg4 18.Kh1 Qf3 19.Kg1 Qg4 20.Kh1 Qf3 21.Kg1 Qg4 22.Kh1 Qf3=) 17.Qe4+– Rf5 18.ef4 (18.f3!? Bh6 19.Rae1+–) 18...Rf4 19.Qe3 (19.Qe2!? Nc4 20.Nc4 Rc4 21.f4 Rc3 22.Bc3 Bc3 23.Rac1 Bd4 24.Kh1+–) 19...Bh6= 20.Kh1 (20.Qe2 Rg4 21.Kh1 Bd2 22.dc6 bc6=) 20...Raf8 21.Qg3 (21.dc6 bc6 22.Qg3 Qh5–/+) 21...Qh5=+ 22.f3? (22.dc6 bc6 23.Nce4–/+) 22...Rh4–+ 23.Rf2 Bd2 24.Rd2 Rf3 25.Qg1 (25.Qg2 Ng4 26.Qf3 Rh2 27.Kg1 Rd2–+) 25…Rfh3 (25...Rfh3 26.Rf1 Nf3 27.Rf3 Qf3 28.Rg2 Rh2 (28...Rc4?! 29.Qa7 Qf1 30.Qg1–/+) 29.Qh2 Qf1 (29...Rh2?! 30.Kh2 Qf4 31.Kg1–+) 30.Rg1 Qc4 31.dc6 Qb4–+) 0–1. Adams,Jonathan – Schoefisch,U, NZL NZCCA Handicap, 1989.

7.Nfd2 Bg4 8.Qc2 Qe7 9.Nc3 Nbd7 10.Nce4 0–0 11.Bd3 d5 12.Ng3 Qb4 13.c5 c6 14.Bc3 Qa3 15.Nb1 1–0. Chess4Win (1795) – cihansins (1790), lichess.org, 2020.

7.Nfd2 Bg4 8.Qc2 Qe7 9.Nc3 Bf5+= 10.h3 h5 11.Be2 Nc6 12.a3 a5 13.b5 Nd8 14.Nd5 Nd5 15.cd5 h4 16.Rc1 Rc8 17.0–0 0–0 18.Qb3 b6 19.a4 Qg5 20.Kh2 Re8 21.Ba3 Kh8 22.Rc2+= f6? 23.Rfc1+– Nf7 24.Rc7 Rc7 25.Rc7 Nh6 26.Bd6 Bg4 27.hg4 Ng4 28.Bg4 Qg4 29.Qc3 g5 30.Re7 Rc8 31.Bc7 f5 32.d6 f4 33.Ne4 f3 34.gf3 Qf3 35.Ng5 Qf2= (35...Qf2 36.Kh1 Qf1 37.Kh2 Qf2 38.Kh1 Qf1 39.Kh2 Qf2=). ferminkatcho (1840) – mircod (1735), kurnik, 2012.

7.Nfd2 Bg4 8.Qc2 Qe7 9.h3!? Bd7 10.Nc3+/–.

7.Nfd2 Bg4 8.Qc2 Bf5 9.Nc3 Qe7 10.Be2+=.

7.Nfd2 0–0

8.Nc3 d5 9.cd5 Nd5 10.Nde4 Nb4 11.Qb3 N8c6? (better is 11...N4c6+=) 12.d5+– Nd5 13.Nd5 (13.Qd5?! Qd5 14.Nd5 Bb2=) 13...Bb2 14.Qb2 Qd5 15.Nf6 (15.Nf6 Kh8 16.Nd5 f6 17.Nf6+–) 1–0. Fournier,Frederic (2000) – J_klix01, Active, 2007.

8.Nc3 Bf5 9.Rc1 c6 10.b5 d5 (10...c5 11.Be2=) 11.a4 a6 12.Qb3 ab5 13.cb5 cb5 14.Bb5 Be6? (better is 14...Nc6!?+=) 15.Ba3+– Na6 16.Bf8 Bf8 17.0–0 Nb4 18.Ne2 Bd7 19.f3 Bb5 20.ab5 Nd3 21.Ra1 Bh6 22.Ra8 Qa8 23.Nf4 Nf4+= 24.ef4 Bf4 25.fe4 Bd2 26.Rf6 Qa1 27.Rf1 Qd4 28.Kh1 de4?? 29.Qf7 (29.Qf7 Kh8 30.Qf8#) 1–0. Chirpii,Alexandru – Iakovlev,Alexander (1650), Centrocoop June op–B, 1998.

8.Nc3 Bf5 9.Qc2 Re8 10.g3 (10.Be2 Na6=) 10...Nbd7 (10...Nc6 11.a3=+) 11.Bg2= Qe7 12.0–0 h5 (12...c5 13.Nb5 Nb6 14.Nd6 Qd6 15.bc5+/–) 13.Rac1 c6 14.b5 (14.Qb3 a5=) 14...c5 15.dc5 (15.Qb3 cd4 16.ed4 Rac8=) 15...Nc5 16.Nb3 (16.Rb1 Rac8=+) 16...Nd3=+ 17.Rcd1 Rac8 18.Nd2 (18.Nd4 Bg4 19.Rd3 ed3 20.Qd3 Qc7=) 18...d5–/+ 19.Qb3 (19.cd5 Nd5 20.Nd5 Rc2 21.Ne7 Re7 22.Bg7 Kg7 23.Ne4 Be4 24.Be4 Re4 25.Rd3 Ra2 26.Rd7=) 19...dc4–+ 20.Qa3 Qe6 21.Na4 (better is 21.Ba1–+) 21...Nb2 22.Qb2 c3! 23.Nc3 (23.Qc3 Rc3) 23...Nd5 24.Nde4 (24.Ndb1 Nc3 (< 24...Bc3 25.Qb3 Nb6 26.Qa3–+; 24...Rc3?! 25.Rd5 Rd3 26.Rd4–+) 25.Nc3 Rc3–+) 24...Be4 (24...Rc3 25.Nc3 Nc3 26.Ra1–+; 24...Bc3?! 25.Nc3 Nc3 26.Rd4–+; 24...Nc3?! 25.Nc3 Bc3 26.Qa3–+) 25.Be4 (25.Rd5 Qd5! 26.Nd5 Bb2 27.Rd1–+) 25...Bc3 (better is 25...Nc3 26.Bb7 Nd1 27.Bc8 Rc8–+ (27...Bb2?! 28.Be6 Nc3 29.Bd7–+)) 26.Qb3 Qe4 27.Qd5 Qd5 28.Rd5 Rc7 29.Rc1 Rec8 30.Rcd1 b6 31.Kg2 Kf8 32.h4 Rc5 33.Rd7 R8c7 34.f3 Ke8 35.Rd8 Ke7 36.a4 Rc4 37.Kh3 Ra4 38.g4 hg4 39.fg4 Re4 40.R1d3 Re3! 41.Re3 Kd8 42.h5 gh5 43.gh5 Bf6 44.Kg4 Rc5 45.h6 Rg5 46.Kf4 Rh5 47.Ra3 Rh6 48.Ra7 Rh7 49.Ke4 Be7 50.Kd5 Rh5 51.Kc6 Rh6 52.Kd5 Rd6 53.Ke5 Rd7 54.Ra6 Bc5 55.Ra2 Ke7 56.Re2 Rd6 57.Kf5 Re6 58.Ra2 Rf6 59.Ke5 Bd6 60.Kd5 Rf5 61.Kc6 Bc5 62.Re2 Kf6 63.Rc2 Ke6 64.Re2 Re5 65.Rh2 Re4 66.Rh6 Ke5 67.Rh5 f5 68.Kd7 Kf4 69.Kc6 Kg4 70.Rh8 Rd4 71.Rg8 Kf3 72.Rg5 f4 73.Rc5 bc5 74.Kc5 Rd1 75.b6 Ke4 76.b7 Rb1 (77.b8Q Rb8–+) 0–1. Schilling,Dietmar – Fuhrmann,Marc Andre, Dortmund op–A, 2003.

8.Nc3 Bf5 9.f3 ef3 10.Qf3 Nc6 =+.

8.d5 a5 9.a3 =.

8.Be2 Na6 9.Qb3 =.

8.Be2 c5 9.b5 =.

8.Be2 c6 9.Nc3 d5 10.b5 (10.0–0 Bf5+=) 10...Re8 (10...cb5 11.cd5 Nd5 12.Nde4 Nc3 13.Bc3+=) 11.bc6 (11.cd5 cd5 12.0–0 a6+=) 11...bc6 (11...Nc6 12.cd5 Nd5 13.Nde4+=) 12.0–0+= Nbd7 13.Rb1 Nb6 14.c5 Nbd7 15.Qa4 (15.Qc2 Qc7+=) 15...Qc7 16.Ba1 a5 17.Rb3 Ba6 18.Rfb1 Reb8 19.Rb8 Nb8 20.Ba6 Na6 21.h3 (21.Rb6 Nb8=) 21...Ra7 (21...Nb8 22.a3=) 22.Nb3 Nd7 (22...Nb4 23.Nc1=) 23.Nd1 Nb4 24.Nc1 f5 25.a3 Na6 26.Bc3 Nab8 27.Nb3 f4 28.Ba5 fe3 29.fe3 (29.Ne3 Qb7+=) 29...Qg3 30.Qb4 Ra8 31.Nc1 Na6 32.Qe1 Qg5 33.Rb7 (33...Nf8 34.Nb3+=). Skonieczny,Jerzy – Pech,Jaroslav, corr or01–012 E–mail, 2002.

8.Be2 c6 9.Nc3 Re8 10.0–0 =.

8.Be2 Re8 9.0–0 h5 10.a4 a5 11.b5 Bf5 12.Qb3 (12.Nc3 Qe7+=) 12...Nbd7 13.Na3 Nf8 (13...h4 14.h3+=) 14.Rac1 N8h7 (14...h4 15.f3+=) 15.c5 (15.Rfd1 h4+=) 15...d5 (15...dc5 16.Rc5 Ng5 17.Rfc1+=) 16.b6+/– c6 17.Bc3 (17.Qc3 Bg4 18.Bg4 Ng4+/–) 17...Ng5 (17...h4 18.h3+=) 18.Qc2 Ng4 (18...Bg4 19.Nb3+/–) 19.Nb3 (19.h3 Nf6+/–) 19...Qb8 (19...Nf3 20.gf3 ef3 21.Bd3+=) 20.Bg4+/– hg4 21.Na5 Bf6 22.Nc6 bc6–+ 23.a5 Kg7 24.f4? ef3 25.gf3 Bc2 (25...Bc2 26.Nc2 Nf3 27.Rf3 gf3–+) 0–1. Guest98769 – Fredek (2065), Freundschaftspartie, 5m + 0s, 2006.

8.Be2 Re8 9.Nc3 (--> 8.Nc3 Re8 9.Be2).

8.Nc3 Re8

9.a4 Nbd7 10.Qc2 Qe7 11.g4 Ng4 12.Nde4 f5 13.Ng3 Ndf6 14.0–0–0 Bh6 15.Kb1 d5 16.b5 c6 (better is 16...Be3!? 17.fe3 Ne3–/+) 17.h3+= Nf2 18.Qf2 Be3 19.Qf3 f4 20.Bd3 (better is 20.cd5!? fg3 21.dc6 bc6 22.Ka1=+) 20...fg3–/+ 21.Rde1 g2 22.Qg2 Qf7 23.cd5 cd5 24.Rhf1 Bd7 25.Rf6 Qf6 26.Nd5 Qf2 27.Qf2 Bf2 28.Rc1 Rac8?? (better is 28...Rf8 29.Rc7 Bh3=+) 29.Nf6+– Kf7 30.Nd7 Rc1 31.Kc1 Re3 32.Ne5 Ke8 33.Bc4 Rh3 34.Bd5 Rh4 35.Nf3 Rf4 36.Bb7 g5 37.Bc6 Ke7 38.a5 g4+/– 39.b6 ab6 40.a6 gf3 41.a7 Be3 42.Kc2 f2 43.Bg2 f1Q 44.Bf1 Rf1 45.a8Q Rf7 46.Qe4 Kd7 47.Qe3 1–0. Roos,Thomas – Heckler,Mario, Wittlich, 1983.

9.Qb3 Bf5 10.Be2 Nbd7 11.0–0 Nf8 (11...c6 12.Rad1=) 12.a4 h5 13.b5 N8h7 14.a5 a6 15.b6 c6 16.d5 c5 17.Rfd1 (17.Bd1 Rc8=) 17...Ng5 18.Nb5?? (better is 18.Bf1=) 18...ab5–+ 19.cb5 Bg4 20.Bg4 Ng4 21.Bg7 Kg7 22.Qb2 Kg8 23.Ra4? f5 24.Nc4? Nf7 25.h3 Nge5 26.Nd2 Nd3 27.Qc3 Nfe5 28.Nc4 Qf6 29.Ne5 Ne5 30.Qa1 Qd8 31.Qa2 Nd3 32.Ra3 Nb4 33.Qb2 Re5 34.Rd2 Nd3 35.Qc3 Kh7 36.Kf1 Nb4 37.Rd1 Qg8 38.a6 Rd5 39.Rd5 Qd5 40.Qa1?? ba6 41.ba6 Ra6! 42.Ra6 Na6 43.Kg1 Qb7 44.Qf6 d5 45.Qd6 c4 46.Qa3 c3 47.Qc3 Qb6 48.Qa3 Nc5 49.Qa8 Qb7 50.Qe8 Qd7 51.Qe5 Nb3 52.Qc3 Qb7 53.Kh1 Qb6 54.Kg1 Na5 55.Qc8 Qb7 56.Qc5 Nc4 57.Kh1 Ne5 58.Qd6 Nf7 59.Qf6 Qd7 60.Kg1 Nd8 61.Qd4 Ne6 62.Qf6 d4 63.ed4 Nd4 64.Kh1 Ne2 65.Qa1 Qc7 0–1. Graf,Michael – Bader,Gerd (2065), Ostalb–ch Schwaebisch Gmuend, 1998.

9.b5 Nbd7 10.Be2 h5 11.Qc2 Qe7 12.0–0 Nf8 13.Rfc1 Bf5 14.Nd5 Qd8 15.a4 Ne6 16.Nf6 Bf6 17.Qb3 c5 18.bc6 bc6 19.Qa3 c5 20.d5 Nc7 21.Rab1 Na6 22.Bf6 Qf6 23.Qc3 Qc3 24.Rc3 Nb4 25.a5 Rab8 26.Bd1 Bd7 27.Ra3 f5 28.Kf1 h4 29.f3 Kg7 30.Be2 Kf6 31.Kf2 g5 32.h3 Ke5 33.Rbb3 Rb7 34.Rb1 Reb8 35.Rbb3 Be8 36.Bf1 Bg6 37.Be2 Kf6 38.Bf1 Nc2 39.Rb7 Rb7 40.Rb3 Rb3–+ 41.Nb3 f4 42.ef4 e3 43.Ke2 gf4 44.Kd1 Nb4 45.Kc1? Bc2 46.Kb2 Bd3 47.Bd3 Nd3 48.Kc2 0–1. Kaenel,Hansjuerg (2240) – Hort,Vlastimil (2595), Biel, 1981. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6 5.c4 e5 6.d4 e4 7.Nfd2 0–0 8.Nc3 Re8)

9.Qc2 Bf5 10.Be2 h5 11.h3 Qe7 12.Nd5 Nd5 13.cd5 c6 14.g4 hg4 (14...Bd7 15.gh5 gh5 16.Rg1 cd5 17.Qb3+=) 15.hg4+= Bd7 16.dc6 (16.Qb3!?+=) 16...Nc6= 17.a3 (17.Bc3 Rac8 18.Qb2 Nd8=+) 17...Rac8=+ 18.Qb3 Be6 19.Qa4 a6 20.b5 (20.Ne4? Bd7 21.Nd6 Qd6–+) 20...ab5 21.Qb5 d5 22.Nb3 Na7 23.Qb6 (23.Qb4!?=+) 23...Rc2–/+ 24.Nc5? (better 24.Rb1 Nc8 25.Qb4–/+) 24...Nc8–+ 25.Qb3 Rb2! 26.Qb2 Qc5! 27.Rb1 (27.dc5 Bb2 Pinning (27...Bb2 Deflection)) 27...Qe7 (27...Qa5 28.Qb4 Qb4 29.Rb4–+) 28.a4? (better 28.Qb7 Qa3 29.Qb4–+) 28...Nd6 29.Qb4 Qd7 (29...Rc8 30.a5–+) 30.Kd2 (30.Bb5 Nb5 31.Qb5 Ra8–+) 30...Nc4 (30...Ra8!? 31.Bb5 Qd8 32.Be2–+) 31.Bc4 dc4 0–1. Jove Grau,Lluis (2075) – Rakshitta Ravi (1715), 18th Obert Internacional Sant Marti Gro, 2016.

9.Be2 b6 10.0–0 Nbd7 11.f3 Bb7 12.Nce4 c5 13.Nd6 Re7 14.dc5 Qc7 15.Nb5 Qc6 16.Nd4 Qc7 17.Nb5 Qc6 18.cb6 ab6 19.Bd4 Nh5 20.a4 Bd4 21.ed4 Qf6 22.Ne4 Be4 23.fe4 Qg5 24.Bh5 Qh5 25.Qh5 gh5 26.e5 Rc8 27.Nd6 Rc7 28.a5 ba5 29.Ra5 Nb6 30.c5 Nd5 31.Ra8 Kg7 32.Nf5 1–0. Egart Andersson – Borchardt, Tiger SC 1999.

9.Be2 c5 10.bc5 dc5 11.d5 =.

9.Be2 c5 10.dc5 dc5 11.bc5 =.

9.Be2 c6 10.0–0+= Qb6 11.Qc2 +=.

9.Be2 c6 10.0–0+= d5 11.Rc1 (11.cd5 Nd5 12.Nde4 Nb4+=) 11...Be6 (11...dc4 12.Qc2+=) 12.b5 (12.f3 ef3 13.Rf3 Bg4=) 12...Qe7 (12...dc4 13.Bc4 Bc4 14.Nc4=) 13.Qa4 (13.cd5 Bd5 14.Qc2 a6 15.Nd5 Nd5 16.bc6 Nc6+=) 13...cb5 14.Nb5 (14.Qb5 dc4 15.Bc4 Bc4 16.Nc4 Rd8+=) 14...Nc6 15.cd5 (15.Ba3 Qd7+=) 15...Bd5= 16.Ba3 Qd7 17.Nc3 a6 (17...Rac8 18.Bc5=) 18.Nb3 (18.Nd5 Nd5 19.Qc2 Rac8=) 18...Bb3 (18...Rac8 19.Nc5 Qc7 20.Nd5 Nd5 21.Qb3+–) 19.Qb3+= (< 19.ab3 b5 20.Nb5 ab5 21.Qb5 Nd4 22.ed4 Ra3–+) 19...b5 20.Rfd1 Rec8 (20...Rac8 21.Bc5+=) 21.Bc5 b4 22.Na4 Nd5+= 23.Bg4!? Qg4 24.Qd5 Rc7 25.h3 Qe2 26.Qe4 Qb5? 27.Nb6 Rd8 28.d5 Ne5 29.Qb4+– Qb4 30.Bb4 Rc1 31.Rc1 f5 32.Rc7 Rb8 33.Ba5 Bf6 34.Ra7 (34...Nd3 35.Ra6+–) 1–0. Van Rooijen,Peter (1715) – Glew,David (1985), P–2899 IECC, 2002.

9.Be2 Nc6 10.b5 Nb4 11.0–0 =.

9.Be2 Qe7 10.a4 h5 11.a5 Bf5 12.Qb3 c6 13.b5 c5 14.0–0 cd4 15.ed4 e3 16.Nf3 ef2 17.Kh1 Nbd7 18.a6 (< 18.Rf2 Qe3 19.Rff1 Ne4=+) 18...b6 19.h3 Rac8 20.Rad1 d5 0–1. Fournier,Frederic – Flowers,Brian, corr ICCF WT/H/0918, 1996.

9.h3 c6 10.b5 +=.

9.h3 h5 10.g3 (10.Be2 a5 11.b5 Qe7+=) 10...c6 (10...Qe7=) 11.d5 (11.Qa4 Bf5=) 11...Nbd7 (11...cd5 12.Ne2+=) 12.Bg2 (12.dc6!? bc6 13.a3+=) 12...Ne5 13.0–0 (13.Bf1!?=) 13...Nd3 14.Rb1? (14.dc6 bc6 15.Rb1=) 14...Nb2 (14...cd5!? 15.Ba3 dc4 16.Nc4 d5–+) 15.Rb2–/+ Nd5 16.cd5 Bc3 17.Rc2 Bb4 18.Ne4 (better is 18.dc6 bc6 19.Be4–/+) 18...f5?? (better is 18...Bf5 19.f3 cd5 20.Qd5 Bc5–+) 19.dc6+/– fe4 20.Qd5 Be6 (20...Kh8 21.Qd4 Kh7+–) 21.Qe4+– Bf5 22.Qb4 Bc2 23.cb7 Rb8 24.Qc4 Kh7 25.Qc2 Re7 26.Rc1?? (better is 26.Qb3+–) 26...d5+= 27.Rd1 (better is 27.Qd3 Reb7 28.Rc6+=) 27...Rbb7?? (better is 27...Rc7 28.Qe2 Rcb7 29.Rd5 Rd7=) 28.Rd5+– Rbd7 (28...Qc7 29.Rh5 Kg7+–) 29.Rh5 (29.Rh5 Kg8 30.Qg6 Rg7 31.Qe6 Rgf7 32.h4+–) 1–0. Doncea,Vladimir (2095) – Manescu,Tiberiu (2375), ROM–ch U16 Sovata, 2002.

9.Qc2 Bf5

10.Be2 Na6 =.

10.Be2 h5 11.0–0 Nbd7 (11...Nc6 12.Qb3=) 12.a4 Nf8 (12...a5 13.b5=) 13.a5 a6 14.b5 Ne6 15.ba6 (15.Nd5 Nd5 16.cd5 Nd4 17.Bd4 Bd4 18.ed4 e3=) 15...ba6 16.Nd5 Ng4 (16...c5 17.dc5 Nc5 18.Rfb1=) 17.g3 (better is 17.h3!? Nf6 18.Rab1+=) 17...Ng5 18.Qa4 Bd7 19.Qc2 Nh3 20.Kg2 c6 21.Bg4 Bg4 22.Nf4 (22.Nb6 Rb8 23.d5 Bb2 24.Qb2 c5–/+) 22...Qd7 23.Rfe1 (23.Ne4 Re4! 24.f3 Nf4 25.ef4 Bh3 26.Kg1 Rd4 27.Bd4 Bd4 28.Kh1 Bf1 29.Rf1 Rb8–+) 23...Qf5 24.Ba3?? (better is 24.Rac1–+) 24...Bf3! (24...Bf3 25.Nf3 ef3 26.Kh1 Qc2 27.Nh3 c5–+) 0–1. Jove Grau,Lluis (2075) – Villasenor Rubio,Emilio Jose (2240), Benidorm ESP, 2014.

10.h3 Nc6 11.a3 Nd4 12.ed4 –/+.

10.h3 h5 11.a4 a5 12.b5+= c5 13.dc5 dc5= 14.0–0–0 Nbd7 15.g3 Qe7 16.Bg2 Rad8 17.Rdg1 Ne5–/+ 18.Bf1 Nf3 19.Nf3 ef3 20.Qb3 Qd6 21.Nd5 Nd5 22.Bg7?? Nb6 23.Bd3?? Kg7 24.Bf5 Qd2 25.Kb1 gf5 26.g4 fg4 27.hg4 hg4 28.Rh2 Rd3 29.Qb2 Qb2 30.Kb2 Rd2 31.Kb1 Red8 32.Rhh1 Rf2 33.e4 Rg2 (34.Rg2 fg2–+) 0–1. Frosinos,Ioannis – Tsalugelashvili,Lile (2140), Patras op 3rd, 2001.

10.h3 h5 11.Be2 Nbd7 12.g4 hg4 13.hg4 Ng4 14.Nde4 Ndf6 15.Bd3 Ne4 16.Be4 (< 16.Ne4 Qe7 17.Rg1 Ne3 18.fe3 Be4–/+) 16...Re4 17.Ne4 d5 18.cd5 Qd5 19.f3 Ne3 20.Qd3 Ng4 21.0–0 (21.Qe2 Re8–/+) 21...Ne5!–/+ 22.Qe3 Nc4–+ 23.Qb3 Be4 (23...Bd4!? 24.Bd4 Qd4 25.Kh2–+) 24.fe4 Bd4 25.Bd4 Qd4 26.Kh2 Qd2 (26...Kg7 27.Qf3 Rh8 28.Kg3–+) 27.Kg3 (27.Kh1 Qh6 28.Kg1 Qg5 29.Kh1 Qh4 30.Kg1 Qg4 31.Kh2 Rd8–/+) 27...Qg5 (27...Rd8 28.Qc4 Rd3 29.Rf3 Qg5 30.Kf2 Rf3 31.Kf3 Qf6 32.Kg4 Qa1 33.Qc7 Qd1 34.Kf4 Qd2 35.Kf3 Qb4 36.Qb8 Kg7 37.Qa7–/+) 28.Kh2 (28.Kh3 Qh5 29.Kg3 Qe5 30.Kh3 Qe4–/+) 28...Ne3 (better is 28...Rd8!? 29.Rf2 Ne5–+) 29.Qf7–/+ Kh8 30.Qf3 Nf1 31.Rf1 Qe5 (31...Re8 32.Qf4 Qf4 33.Rf4–/+) 32.Kg2 (32.Qg3!? Qg3 33.Kg3=+) 32...Re8–/+ 33.Re1 Kg7 34.Re2 Rf8 35.Qe3 (35.Qd3!?–/+) 35...Qh5 (better is 35...Rf4!? 36.Qg3 Kf6–+) 36.Qc3–/+ ½–½. Grund,Karl – Konikowski,Jerzy, corr ICCF Eu/H/GT_18_1968–69, 1969.

10.h3 h5 11.g4 hg4 12.hg4 Bg4 +/–.

9.Be2 Nbd7

10.0–0 c5 +=.

10.a4 c5!? =.

10.a4 Nf8 11.0–0 a5 12.b5 c5 +=.

10.a4 Nf8 11.b5 ½–½. Sippenauer,Florian (???) – Grossmann,Herbert (???) (2220), Regensburg–ch, 1995.

10.a4 Nf8 11.b5 ½–½. Grossmann (???) – Kirschbaum (???), Regensburg Stadtmeis, 1995.

10.Qc2 Qe7 11.g4 h6 12.h4 g5 13.hg5 hg5 14.a4 a5 15.b5 c5 16.dc5 Nc5 17.Nd5 Nd5 18.cd5 Nd3 19.Bd3 ed3 20.Qb3 Bg4 21.Bg7 Kg7 22.Qd3 Qe5 23.Qh7 Kf6 24.Rh6 Ke7 25.Qe4 Rh8 26.Rh8 Rh8 27.Rc1 Qe4 28.Ne4 Rh1 29.Kd2 Rc1 30.Kc1 Bf3 31.Ng5 Bd5 32.Kc2 Bg2 33.Kd3 d5 34.Ke2 f6 35.Nf3 Bf3 36.Kf3 Kd6 37.Kg4? (37.e4 de4 38.Ke4 Kc5–/+) 37...Kc5–/+ 38.Kf5 Kb4 39.Kf6 Ka4 40.f4 Kb5 41.Ke6 a4 42.f5 d4 43.ed4 a3 44.f6 a2 45.f7 a1Q 46.f8Q Qd4 47.Qa3 Qc4 48.Kf6 Qc6 49.Kg7 Qc5 50.Qb3 Kc6 51.Qe6 Qd6 52.Qc4 Kb6 53.Qf7 Qe5 54.Kh7 Kc6 55.Qg6 Kd7 56.Qf7 Qe7 57.Kh8 b6 (57...Qf7?!) 58.Qd5 Kc7 59.Qc4 Qc5 60.Qf7 Kb8 61.Qf4 Qc7 62.Qg5 Qc3 63.Kh7 Qc6 64.Qg8 Kb7 65.Qf7 Qc7 66.Kh8 b5 (66...Qf7?!) 67.Qd5 Qc6 68.Qf7 Kb8 69.Qf4 Qc7 70.Qd4 Qc4 71.Qb6 Kc8 72.Qa6 Kd7 73.Qb7 Kd8 74.Qb8 Ke7 75.Qa7 Kf6 76.Qf2 Ke5 77.Qe1 Kd5 78.Qa5 Qc5 79.Qa2 Kd6 80.Qd2 Kc6 81.Qh6 Qd6 82.Qh1 Kb6 83.Qg1 Qc5 84.Qe1 b4 85.Qe6 Kb7 86.Qf7 Qc7 87.Qd5 Kb6 88.Qe6 Qc6 89.Qe3 Kb5 90.Qe2 Qc4 91.Qe8 Kc5 92.Qf8 Kd4 93.Qf4 Kc3 94.Qc1 Kb3 95.Qb1 Ka3 96.Qa1 Qa2 97.Qg1 b3 0–1. Bertel,Michael (1765) – Kocandrle,Jaroslav (2140), IECG, 2004.

10.g4 a5 11.b5 h6 +=.

10.g4 h6 11.h4+= c5 (11...a5 12.b5+=) 12.g5+/– cd4 (12...cb4 13.Nb5 Bf8 14.gf6+=) 13.ed4 hg5 14.hg5 e3 15.fe3 (15.gf6?! ed2 16.Qd2 Nf6=) 15...Nh7 16.Nd5 (16.Nf3 Re3 17.Qd2 Re8+/–) 16...Ng5 17.Qb3 (17.a4 Nb6 18.Nb6 Qb6+=) 17...Nf6+= 18.Nf6 Qf6 19.Rh2 (19.a4 Nh3 20.Nf3 Bg4+=) 19...a5 (19...Qe7 20.Rg2+=) 20.ba5 Ra5 21.0–0–0 Qe7= 22.Bd3 Bf5 23.Bf5+= Rf5 24.Nf1 Ne4 25.Rc2 Nf2 26.Re1= Ng4 27.Rce2 Bh6 28.Kb1 Qe4 29.Ka1= Rf2 30.Rf2 Nf2 31.d5 Bg7 32.Bg7 Kg7 33.Qb2 Qe5 34.Qe5 Re5 35.Rb1 Re7 36.Kb2 Ne4 37.Kc2 g5 38.Nh2 Nc5 39.Rg1 f6 40.Kd2 Re4–/+ 41.Rc1 Kg6 42.Nf3 Rg4 43.Ne1 Rh4 44.Rc2 Kf5 45.Ke2 Rh3 46.Nd3 Rh2 47.Kd1 Rc2 48.Kc2 Nd3 49.Kd3 b6 50.a4 Ke5 51.Ke2 Ke4 52.Kf2 f5 53.Ke2 f4 54.ef4 gf4 (54...gf4 55.Kf2 Kd4–+) 0–1. Sokolski,Alexey – Kopylov,Nikolai G, URS–ch sf Leningrad, 1947.

9.Be2 h5

10.0–0 a5 11.ba5 Nc6 +=.

10.0–0 c5 11.a3 +=.

10.0–0 Bf5 11.a3 Nbd7 (11...c5 12.d5+=) 12.Qb3 (12.f3 ef3 13.Bf3 Re3 14.Bb7 Rb8+=) 12...h4 13.h3 Nf8 (13...Qe7 14.Rfd1+=) 14.Rab1 Qd7 15.Rfd1 g5 16.d5 (16.c5 d5+=) 16...g4= 17.hg4 Bg4 18.Qc2 (18.Bg4 Qg4 19.Kh2 Re5=) 18...N8h7 (better is 18...a5=) 19.Nde4?? (19.Bg4 Qg4 20.Kh2 Ng5=) 19...Ne4 20.Bg4 Qg4 21.f3 Qg6 22.Ne4 (22.fe4?! Ng5=) 22...f5 (22...Bb2 23.Qb2 f5 24.Nc3+=) 23.Bg7+= Qg7 24.Nf2 Re3 25.Rd3 (25.Qf5 Rf8 26.Qg4 Qg4 27.Ng4 Ra3+=) 25...Re7 26.Nh3 (better is 26.f4!?+=) 26...Rae8=+ 27.Qf2 (27.Qc3 Qc3 28.Rc3 Kf7=+) 27...Re2–/+ 28.Nf4?? (better is 28.Qf1 Qg3 29.Rdd1–/+) 28...Rf2–+ 29.Ng6 (29.Kf2 Qg3 30.Kf1 Qf4 31.Rc3–+) 29…Qg6 (30.g4 fg4 31.Kf2 Qd3 32.Rf1 Ng5 33.Kg2 Qd2 34.Kg1 h3 35.Rf2 Re1 36.Kh2 Qf2) 0–1. Nemec,Zdenek – Vidal,Lionel, corr ICCF EU–EM–O–001, 2002.

10.0–0 Bf5 11.a4 Nbd7 12.a5 Nf8 13.b5 White prepares a6 (13.a6 Rb8+–) 13...N8h7 (13...a6 14.Qb3+=) 14.a6 b6 15.Na2 Bg4 (15...h4 16.h3+–) 16.Nb4 Qc8 (16...Bd7 17.f3+–) 17.h4 (17.Bg4 Ng4 18.Nc6 Qe6+–) 17...g5 (17...Bd7 18.Qa4+–) 18.hg5 Ng5 19.Re1 (19.Bg4 hg4 20.Nc6 Nf3 21.Nf3 gf3 22.gf3 Qh3 23.fe4 Ng4 24.Qg4 Qg4 25.Kh2 Re6 26.Ne7 Re7–+) 19...Qf5 (19...h4 20.Kh1+=) 20.Ra3 (20.Bg4 Ng4 21.Qe2 Nf6+=) 20...h4+= 21.Nd5 (21.Nc6 Be2 22.Qe2 d5+=) 21...Be2 22.Nf6 (worse 22.Re2 Nd5 23.cd5 h3–/+; 22.Qe2?! Nd5 23.cd5 Qd5=) 22...Bf6 23.Qe2 Kg7 24.f4 (24.Rf1 h3 25.f4 ef3 26.Nf3 Qg4=) 24...Ne6 25.Nb3 (25.g4 hg3 26.Qg2 Nc5+=) 25...Rh8 (25...d5 26.cd5 Qd5 27.Nc1=) 26.d5 (26.Qc2 h3 27.d5 hg2 28.Qg2 Kf8=+) 26...Nc5= 27.Bf6. Cleo – Ingola, internet corr, 2018.

10.0–0 Bf5 11.h3 Nbd7 12.Qc2 Nf8 13.Nb3 N8h7 14.Na5 Qc8 15.Nd5 Nd5 16.cd5 Bh6 17.Rfc1 Re7 18.Qb3 Ng5 19.Bf1 Rb8 20.Rc3 Nh3 21.gh3 Bh3 22.Qd1 Bg4 23.Be2 Qf5 24.Bg4 hg4 25.Rac1 Kg7 26.Qf1 (26.Rc7?! Rc7 27.Rc7 g3+=) 1–0. pcmvr (2850) – jvanmechelen (2585), net–chess.com, 2011.

10.a4 Bf5 11.Qb3 Nbd7 12.b5 a5 13.Rc1 Bh6 14.Qc2 Nf8 15.Nd5 N6d7 16.h4 Ne6 17.Qc3? c6–+ 18.Nf4 Nf4 19.ef4 Bf4 20.g3 Bh6 21.Nf1 Bc1 22.Bc1 cb5 23.cb5 Rc8 0–1. Monsalvo – Morgado, corr 1976.

10.b5 Bf5 11.a4 a5 12.Qc2 Nbd7 13.h3 Nf8 14.Ba3 Ne6 15.Nb3 g5 16.d5 Nf8 17.0–0–0 Bg6 18.g4 ½–½. Gazzini – Morgado, corr Italy–Argentina 1976.

10.Qc2 Nc6 11.a3 a5 +=.

10.Qc2 Nc6 12.Qb3 a5 13.b5 Nb4 14.Na2 Nd3 15.Bd3 ed3 16.Nc1 Bh6 17.Nd3?? (better is 17.0–0+/–) 17...Be3!–/+ 18.0–0–0 (18.fe3 Re3 Double attack) 18...Bh6 19.h3 Ne4 20.Bc3 c5 21.g4 Nc3 (21...cd4 22.Bd4 Nd2 23.Rd2 Bd2 24.Kd2 Be4–+ (24...hg4 25.hg4 Kf8 26.gf5 Qg5 27.f4 Qf5 28.c5+–)) 22.Qc3+= Be4 23.Rhe1 Qf6 24.Ne5? (better is 24.gh5!? cd4 25.Qb3–/+) 24...de5 25.de5 Qe5 26.Qe5 Re5 27.f3 hg4 28.hg4 Rae8 (28...Rae8 29.fe4 Re4 30.Re4 Re4–+) 0–1. Gerigk,Wolf – Freitag,Roland (2265), Oberliga Nord N, 2004. (=1.Nf3 Nf6 2.b4 d6 3.Bb2 e5 4.c4 g6 5.e3 Bg7 6.d4 e4 7.Nfd2 0–0 8.Nc3 Re8 9.Be2 h5)

10.Qc2 Bf5 11.b5 Nbd7 (11...a6 12.0–0+=) 12.a4 c5 (12...h4 13.a5=) 13.bc6 bc6 14.Ba3 (14.Rb1 c5 15.Nb5 Qb8+=) 14...c5= 15.Nb3 (15.Nb5 Qb8 16.dc5 Nc5=) 15...Ng4 (15...Qe7 16.0–0=) 16.Rd1+= Qg5 (16...Qc7 17.dc5 dc5 18.Nb5+=) 17.Nd5 (17.dc5 Nge5 18.Kf1 dc5=) 17...cd4 (17...Rac8 18.0–0=) 18.Nd4 Bd4 19.Rd4 (19.ed4? Nf2 20.0–0 e3–+) 19...Nge5 20.Nf4 (20.Kf1 Nf3 21.Rd1 Nh4+/–) 20...Nd3 21.Bd3+= Qf4 22.Be2 Qg5+= 23.g3 Nc5 24.0–0 Rad8 25.Rd5 Qe7 26.Bb2 Kh7 27.Qc3 Rg8 28.Qf6 Qf6 29.Bf6 Rd7 30.Kg2 Na4 31.Rfd1= Nb6 32.Rd6 Rd6 33.Rd6 Rc8 34.Rd8 Rd8 35.Bd8 Bd7 36.Kf1 f5 37.Ke1 Kg7 38.Kd2 Na4= 39.Be7 Kf7 40.Bb4 Ke6 41.Kc2 Bc6 42.Kb3 Nb6 43.Bc5+= Be8 44.Kb4 Kd7 45.Bd4 Kc6 46.c5 Nd5 47.Ka5 Nc7 48.Bc4 Bd7 49.Bb3 Be6 50.Ba4+/– Kb7 51.c6 Kb8+= 52.Kb4 a6 53.Be5 Kc8 54.Kc5 Nb5 55.Kb6 Bc4 56.Kc5 Be6 57.Bb5 ab5 58.Kb5 Bb3 59.Bf4 Bd1+/– 60.Kc5 h4 61.Kd6 h3 62.Ke6 Bf3 63.Kf6 Bh5 64.Kg5 Kd8 65.g4! Bg4 66.Kg6 Kc8 67.c7 Kd7+/– 68.Kf6 Bf3 69.Kf5+– Bg2 70.Kg4 Kc8 71.Kg3 Kd7 72.f3 ef3 73.Kf2 Kc8 74.e4 Kd7 75.Bg3 (75.Bg3 Bh1 76.Bd6+–) 1–0. Miralles,Gilles – Prie,Eric (2205), FRA–ch, 1982.

10.h3 c5 11.dc5 dc5 12.bc5 =.

10.h3 h4

11.0–0 c5 12.Qa4 cd4 13.ed4 Nc6 =.

11.Qc2 Nc6 12.a3 +=.

11.Qc2 Nc6 12.Nce4 Ne4 13.Ne4 Bf5 =+.

11.Qc2 Bf5

12.0–0 c5 13.dc5 dc5 14.bc5 Nbd7 +=.

12.0–0 Nc6 13.Qa4 a6 +=.

12.0–0–0 Nc6= 13.a3 Nd4=+ 14.ed4 e3 15.Bd3 Bd3 (15...ed2 16.Qd2 Bd3 17.Qd3=+) 16.Qd3 ed2 17.Qd2 d5 18.c5 Qd7 (18...Ne4 19.Ne4 Re4 20.Rhe1=+) 19.Rhe1 (19.Qg5 Ne4 20.Qd5 Qd5 21.Nd5 c6=) 19...Qf5 (19...Kh7 20.Kb1 Qf5 21.Qc2=+) 20.Re5= Ne4 (better is 20...Re5!? 21.de5 d4 22.ef6 dc3 23.Bc3 Bf6 24.Bf6 Qf6=) 21.Rf5+/– Nd2 22.Rd5 Nc4 23.Rd7 c6 24.Rb7+– Rad8 25.Kc2 Bd4+/– 26.Bc1 Bf2 27.Rd8 Rd8 28.Ra7 Ne3 29.Be3 Be3 30.Nb1 f5? 31.Rc7 g5 32.Rc6 Kf7 33.Rd6 Rd6 34.cd6 Ke6? 35.Kd3 Bg1? 36.Nd2 Kd6 37.Nf3 Bf2 38.Ng5 Kc6 39.Kc4 Be3 40.Nf3 (40.Nf3 Bf2 41.Nd4 Kd6 42.Nf5 Kc7 43.Kd3+–) 1–0. Buczinski,Henryk – Zuk,Lukasz, Krosno Poland, 1978.

12.0–0–0 Nc6= 13.Qb3!? =.

12.a4 c5 13.bc5 dc5 14.dc5 =.

12.a4 Bh6 13.a5 Nbd7 14.a6 b6 15.Ba3 Nf8 16.c5 d5 17.Qb3 Ne6 18.Bb5 Nd4? 19.ed4+– e3 20.0–0 ed2+/– 21.Be8 Qe8 22.Nd5 Nd5 23.Qd5 Bd3 24.Rfd1 Bc2 25.Rf1 Bd3 26.Rfd1 Bc2 ½–½. Jacobi,Karl Heinz – Syed,Tareq, Lueneburg distr–ch, 1995.

8.Be2 h5

9.Nc3 Re8 10.0–0 Bf5 11.a3 c6 12.Rc1 (12.Qc2 Nbd7+=) 12...Nbd7 13.Qc2 Qe7 14.Rfd1 Bg4 (14...h4 15.c5+=) 15.Bg4 hg4 16.d5 cd5 (16...Rac8 17.dc6 bc6 18.Ne2+=) 17.Nd5 Nd5 18.cd5 Nb6 19.Bg7 Kg7 20.Qc3 Qf6 21.Nc4 (21.Qb3 Re5+=) 21...Qc3 22.Rc3 Rec8 23.Rdc1 Nd5 24.R3c2 b5 25.Nd6 Rc2 26.Rc2 Rd8 27.Nb5 Nb4 28.Rc1 Nd3 29.Rc7 Rb8–/+ 30.a4 a6 31.Nc3 Rb2 32.h4 Nf2 33.g3 Rc2 34.Nd5 Nh3 35.Kf1 Rf2 36.Ke1 Rf3 (36...Rf3 37.Re7 Rg3 38.Re4 Rg1 39.Ke2 Rg2 40.Ke1 g3–+) 0–1. Pachurka,Roland – Frei,Markus, desc–online.de, 2006.

9.Nc3 Re8 10.0–0 Bf5 11.a4 Nbd7 (11...h4 12.f3 Bh6 13.fe4 Be3 14.Kh1+=) 12.a5 h4 13.a6 (13.h3 c6+=) 13...b6 (13...ba6 14.Ra6 h3 15.g3+=) 14.b5 (14.f3 ef3 15.Bf3 Re3+/–) 14...Nf8 (14...Rc8 15.h3+=) 15.Re1 (15.f3 Bh6 16.fe4 Be3 17.Kh1 Be6+/–) 15...h3+= 16.g3 N8h7 17.Na2 (17.g4 Bd7+=) 17...Qd7 (17...Ng5 18.Nb4+=) 18.Nb4+/– Bg4 19.Nc6 Ng5 (19...Be2 20.Qe2 Ng5 21.Rf1+/–) 20.Rc1 (20.Bg4 Ng4 21.Rc1 Nf6+/–) 20...Be2 21.Qe2 Qg4 22.Nb4 Qf5 23.Ba1 Kh7 24.Nd5 Rac8 25.Nb4 Bh6 26.Nd5 Bg7 27.Nb4 Bh6 28.Nd5 Bg7 29.Nb4 (29.Nf6 Bf6 30.d5 Ba1 31.Ra1 Kg7+=) ½–½. Kozomara,V – Uhlmann,Wolfgang, Sarajevo, 1963.

9.Nc3= Re8 10.b5 Bf5 11.a4 Nbd7 12.a5 (12.h3 h4=) 12...Bh6 (12...c5!? 13.bc6 bc6=) 13.h3 Nf8 (13...c5!? 14.Nb3 h4+=) 14.a6+/– Bc8 15.ab7 Bb7 16.Nf1 (16.0–0 a6+/–) 16...h4 (16...N8d7 17.Qc2+=) 17.Nh2 (17.Nd2 a6+/–) 17...a6 18.c5 (18.ba6 Ra6 19.Ra6 Ba6+=) 18...ab5= 19.Nb5 Ne6 20.cd6 cd6 21.Ba3 (21.Ra8 Ba8 22.Ng4 Ng4 23.hg4 Bc6=) 21...d5 22.0–0 Bf8 (22...Bc6 23.Qc2 Qd7 24.Nc3=) 23.Qb3 Qd7 24.Rfb1 Ba6 25.Bf8 Rf8 26.Ra5 Rfb8 27.Qa3 Nc7 28.Bg4 (28.Ng4 Ng4 29.Bg4 f5=) 28...Qe8 (28...Nb5 29.Bd7 Na3 30.Rb8 Rb8 31.Ra6 Rb1 32.Nf1 Nd7 33.Ra3+=) 29.Qd6 Kg7 (worse is 29...Nb5 30.Qf6 Nd6 31.Rc1+=; worse is 29...Bb5 30.Ra8 Ra8 31.Qf6=; 29...Ng4 30.Ng4 Rb5 31.Nf6 Kh8 32.Ne8 Rb1 33.Kh2 Ne8 34.Qf8 Kh7 35.Qf7 Ng7 36.Qf6+–) 30.Qc7 Rb5 31.Rba1 Ra5 32.Ra5 Bc4 33.Ra7 Ra7 34.Qa7 Qb5 35.Qa1 Ne8 (35...Qb3 36.Bd1 Qb4 37.Ba4+=) 36.Bd1+= f5 37.Ba4 Qa6 38.Qd1 Nd6 39.Bc2 (39.Bd7!?+=) 39...Nb5–/+ 40.Nf1 Nc3 41.Qe1 Ne2 42.Kh2 Nd4! 43.ed4 Bf1 44.Qb4 Qe6 45.Ba4 Bc4 46.Qb7 Qf7 47.Qb8 f4 (better is 47...Qf6–+) 48.Qd8?? (better is 48.Bc2–/+) 48...e3–+ 49.fe3 fe3 50.Qh4 (50.Bd1–+) 50...e2 51.Bc2 Qe6 52.Qe1 Qf6 (better is 52...Qd6 53.g3 Qf6–+) 53.Qg3 Kh6 (53...g5 54.Qc7 Kg8 55.Qb8 Qf8 56.Bh7 Kg7 57.Qf8 Kf8 58.Bf5–+) 54.h4 Qe6 55.Qe1? (55.Qb8 Kh7 56.Qc7 Kg8 57.Qb8 Kf7 58.Qf4 Qf6 59.Qg3–+) 55...Qd6 (55...Qe3 56.Ba4 Qf4 57.Kh3–+) 56.Kh3 (56.g3 Qf6 57.Qd2 Kg7 58.Qe3–+) 56...Qf4 57.Qg1 (57.Bd1 Qc1 58.Qe2 Be2 59.Be2 Qh1 60.Kg3 Qe1 61.Kf3 Qh4 62.g3 Qe4 63.Kf2 Qd4 64.Kg2–+) 57...Bb5 58.g3 Qf1 (58...Qf1 59.Kh2 Qg1 60.Kg1 e1Q 61.Kg2 Qf1 62.Kh2 Qf2 63.Kh3 Bf1 64.Kg4 Bg2 65.h5 Qd4 66.Be4 Qe4) 0–1. Morriss,Pete – Gnichtel,Gerd (2215), 22nd European Club Cup, 2006.

9.Nc3 Re8 10.0–0 Bf5 11.Qb3 Qe7 +=.

9.Nc3 Re8 10.Qc2 Bf5 11.h3 (11.0–0 Qd7+=) 11...Nc6 (11...c5 12.bc5 dc5 13.dc5=) 12.a3 (12.Qb3 Qd7+=) 12...Nd4= 13.ed4 e3 14.Qd1 ed2 15.Qd2 c5 (15...d5 16.0–0=) 16.d5 Ne4 (16...cb4 17.ab4 Ne4 18.Ne4 Bb2 19.Qb2 Be4 20.0–0=) 17.Ne4 Bb2 18.Qb2 Be4 19.0–0 Qg5 20.f3 Bf5 (20...Qe3 21.Rf2 Bf5 22.Ra2=) 21.f4 Qh4 22.bc5 dc5 23.Rf3 b6 24.Bf1 Rad8 25.a4 Re1 26.a5+= ba5 27.Ra5+/– Rde8 28.Ra7 Bd3+= 29.Ra1 Bc4= 30.d6 Ra1 31.Qa1 Bf1 32.Rf1+= Qd8 33.Rd1 Qd7 34.f5 Qf5= 35.Qa5 Qd7 36.Qc5+= Rc8 37.Qd4 Rd8 38.Kh2 Kh7 39.Qf6 Re8 40.Kh1 Re6 41.Qd4 Re2 42.Qd5 Re6 43.Qc5 Rf6 44.Qd4 Re6+= 45.Rd2 Re1 46.Kh2 Re6 47.Qd5 Rf6 48.Qe5 Re6 49.Qd4 Kg8 (49...Re8 50.Qc3+=) ½–½. Brianski,D – Kosikov,A, Soviet Union, 1986.

7.Nfd2 c6

8.Nc3 Bf5 9.Qb3 Nbd7 10.Be2 a5 11.a3 ab4 12.ab4 Ra1 13.Ba1 0–0 14.h3 Qe7 15.0–0 Ra8 16.Bb2 d5 17.cd5 (17.b5 Be6+=) 17...cd5 18.Nd5 Nd5 19.Qd5 Be6?? (better is 19...Qb4 20.Bc1 Nf6=) 20.Qb5 (better is 20.Qb7!? Rb8 21.Qc7 Qb4 22.Bc3+–) 20...Ra2+/– 21.Bc3 Nf6 22.Ra1 Nd5 23.Ra2 Nc3 24.Ra8 Bf8 25.Qc5 Ne2 26.Kf1 Qc5 27.bc5 Bc4?? 28.Ke1 Bd3 29.Ne4 Be4+= 30.Ke2 Bg2 31.h4 Kg7 32.f3 Bh3 33.Rb8 Be7 34.h5 gh5 35.Rb7 Kf6 36.Kf2 Be6? 37.e4+– Bc4?! 38.Rb6 Kg7 39.c6 Bd6 40.e5 Bc7 41.Rb7 Bd8 42.c7 Bc7 43.Rc7 Bd5 44.Rd7 Be6 45.Rd6 h4 46.d5 Bc8 47.Rd8 Bf5 48.d6 Be6 49.Re8 Bd7 50.Re7 Ba4 51.d7 Bd7 52.Rd7 Kg6 53.Rd6 Kg7 54.Rf6 h6 55.Kg2 h5 56.Kh3 Kf8 57.Kh4 Ke7 58.Kh5 Kf8 59.Kh6 Ke7 60.Kg7 Ke8 61.f4 Ke7 62.f5 Ke8 63.Rf7 Kd8 64.Kf6 Ke8 65.Ke6 Kd8 66.Re7 Kc8 67.f6 Kb8 68.f7 Kc8 69.f8R# (69.f8Q#) 1–0. ferminkatcho (1795) – termo80 (1810), kurnik, 2011.

8.Nc3 Bg4 9.Qb3 Bf5 10.Be2 +=.

8.Be2 0–0 9.0–0 d5 10.cd5 cd5 11.Qb3 Nc6 12.Nc3 Be6 13.a4 a6 14.Rac1 Rc8 15.Ba3 Re8 16.Rc2 Ng4 17.Bg4 Bg4 18.Qd5 Qd5 19.Nd5 Nd4 20.Rc8 Ne2 21.Kh1 Rc8?? (better is 21...Bc8 22.b5 ab5 23.ab5 Bd7=+) 22.Ne7+– Kh8 23.Nc8 Bc8 24.Ne4 Bf5 25.Nd6 Bd3 (25...Bd7+–) 26.Nb7 (26.Nb7 Ng3 27.hg3 Bf1 28.Nd6+–) 1–0. bluepiramid2 (1795) – brchess, kurnik, 2012.

8.Be2 Qe7 +=.

8.Nc3 d5

9.Qb3 0–0 10.Be2 Be6 11.h3 Nbd7 12.g4 (12.0–0!?=) 12...Nb6+= 13.c5 Nbd7 14.g5 Ne8 15.h4 b6 16.0–0–0 (16.Qa4 a5 17.Qc6 Rc8+=) 16...a5 17.a3 (17.cb6!? ab4 18.Qb4 Nb6 19.h5+=) 17...ab4–/+ 18.ab4 bc5 19.dc5?? (19.bc5 Qc7 20.h5=) 19...Ne5 (better is 19...d4!? 20.Bc4 dc3 21.Bc3 Bg4–+) 20.Qc2 Qb8 21.b5 cb5 22.h5 b4 23.Na4? b3! 24.Qb3 Qb3 25.Nb3 Ra4 26.Nd4 Nc7 27.h6 Bh8 28.Rd2 Rb8 29.Bc3 Bd7 30.Rb2 Rb2 31.Kb2 Ne6 32.c6 Nc6 33.Bb5 Ncd4 34.Ba4 Ba4 35.ed4 Nd4 36.Ra1 Bc6 37.Ra6 f5 38.Ra7?? Be5 39.Re7= Bd6?? 40.Ra7 Nb5?? 41.Rg7= Kf8 42.Rh7?? Nc3–+ 43.Kc3 Be5 44.Kb4 d4 45.Rc7 Be8 46.Rc8 d3 47.h7 d2 (47...d2 48.Rd8 Kg7 49.Re8 Kh7 50.Re7 Kg8–+) 0–1. ferminkatcho (1805) – mirslaw (1790), kurnik, 2011.

9.b5 0–0 10.a4 Re8 11.Ba3 Ng4 12.Nb3 Qh4 13.g3 Qh6 14.Be2 Qh3 15.Bf1 Qh6 16.Be2 dc4 17.Bg4 Bg4 18.Qg4 cb3 19.Rb1 a6 20.Rb3 ab5 21.ab5 Bd4 22.Ne4 f5 23.Qg5 Qg5 24.Ng5 c5 25.Bc1 Bf6 26.Nf3 c4 27.Ra3 Nd7 28.0–0 Nc5 29.Rd1 Nb3 30.Kf1 Ra3 31.Ba3 Ra8 32.Bb4 Ra4 33.Bd6 c3 34.Ne1 Ra2 35.Bf4 c2 36.Nc2 Rc2 37.Rd6 Nd2 38.Kg1 Ne4 39.Rb6 Rf2 40.Rb7 g5 41.Bc7 Rb2 42.b6 Be7 43.Be5 Rb1 44.Kg2 Bd6 45.Bd4 Bc5 46.Rg7 Kf8 47.Rh7 Bd4 48.ed4 Rb6 49.Rd7 Nf6 50.Rc7 Rb5 51.Rc5 Rc5 52.dc5 Ke7 53.Kf3 Ke6 54.h4 gh4 55.gh4 Nh5 (56.Kf2 Kd5–+) 0–1. Teichmann,Erik (2365) – Hunt,Adam (2390), Australian Masters, 2000.

9.b5 0–0 10.bc6 bc6 11.Ba3 Re8 12.Rb1 Qa5 (12...Bg4 13.Qa4+=) 13.Qc1 (13.Qb3 Na6+=) 13...Nbd7 14.Bb4 Qd8 15.cd5 (15.Bd6 Re6 16.Qa3 Kh8+=) 15...Nd5 (15...cd5!? 16.Nb5 Ba6+=) 16.Nce4+/– Nb4 (16...Rb8 17.Ba3+/–) 17.Rb4 Nb6 18.Be2 f5 19.Nc5 Nd5 20.Rc4 Nb6 21.Rc3 f4 22.Nf3 Nd5 23.Bc4 fe3 24.fe3 Kh8 25.Bd5 cd5 26.0–0 Bf5 27.Na6 Rf8 28.Ne5 Qg5 29.Nc7 Bh3 30.Rf8 Rf8 31.Rc2 Bc8 32.Nd5+– Bb7 33.Nf4 Be5 34.de5 Qe5 35.Rc5 Qe8 36.Rc7 Rf7 37.Qc3 Kg8 38.Qb3 Be4 39.Ra7 Bc2 40.Qa3 Ra7 41.Qa7 Qd8 42.Qd4 Qa5 43.h3 Qa2 44.Qd8 Kf7 45.Qd7 Kg8 46.Qe8 Kg7 47.Qe7 Kg8 48.Ne6 (48.Ne6 Qa1 49.Kf2+–) 1–0. Gretencord,Ulrich – Sherwood,Russell, CC.2004.0.00098, 2004.

9.b5 Be6 10.bc6 Nc6 11.cd5 Bd5 12.Nd5 Qd5 13.Bc4 +=.

9.cd5 cd5 10.Be2 0–0 11.0–0 a6 12.Rc1 Nc6 13.f3 ef3 14.Bf3 Re8 15.Qb3 Re3 16.Bd5 Nd5 17.Qd5 Be6 18.Qd8 Rd8 19.d5 Bd5 20.Ba1? Bg2! 21.Kg2 Rd2 22.Rf2 Rf2 (23.Kf2 Rd3–+) 0–1. Hasler,Ulrich (1905) – Ros,Antonio (2165), IECG, 2000.

9.Be2 0–0 10.0–0 Be6 11.a4 Na6 12.b5+= Nc7 13.a5 cb5 14.cd5 Bd5= 15.Ba3 Re8 16.Nb5 Bf8 17.Bf8+= Kf8 18.Qb1 Kg7 19.Rc1 Nb5 20.Bb5 Re7 21.Qc2 b6 22.Bc4 Rc8 23.ab6 ab6 24.Qb2 Bc4 1–0. Labahn,Wolfgang – Hersel,A, corr ch D teams, 1991.

9.Be2 0–0 10.0–0 Be6 11.b5 Nbd7 12.bc6 bc6 13.Rc1 Qa5 14.Nb3 Qb6 15.Na4 Qb8 16.Ba3 Re8 17.Nbc5 Nc5 18.Nc5 Qc8 19.cd5 Bd5 20.Qc2 a5 21.Rb1 Bf8 22.Rb2 Bd6 23.Rfb1 Ra7 24.Qa4 Bc7 25.h3 g5 26.Qd1 Bd6 27.Qd2 g4 28.hg4 Ng4 29.Bd1 Qf5 30.Qe2 h5 31.g3 Kh8 32.Qf1 Rg8= 33.Rc1 h4 34.Qh3 f6 35.Nd7? Ba3–+ 36.Qh4 Kg7 37.Bg4 Qg6 0–1. DaveMC – Jose Luis, ChessWorld.net, 2006.

9.Be2 0–0 10.0–0 Be6 11.b5 Nfd7 12.bc6 bc6 13.Ba3 Re8 14.Rb1 f5 15.Qa4 (15.Qb3 Nf6+/–) 15...Nf6 (15...Nb6 16.Qb3 dc4 17.Nc4+=) 16.Rfc1 g5 (16...Bh6 17.cd5 cd5 18.Bb5+/–) 17.Rb7 a5 18.cd5 cd5 19.Nb5 Na6 (19...Bd7 20.Qc2 Bf8 21.Bf8 Bb5 22.Bb5 Rf8 23.Qc7 Qc7 24.Rcc7+– (24.Rbc7?! Na6 25.Ba6 Ra6+=)) 20.Nd6 Rf8 21.Nb3 Nb4 (21...f4 22.Qc6 Nb4 23.Bb4 ab4 24.Nc5+–) 22.Rcc7+– Qd6?? (better is 22...Bh8+–) 23.Rg7 (23.Bb4?! ab4 24.Rg7 Kh8+=) 23...Kh8 24.Na5 (24.Na5 Rfc8 25.Rg5+– (25.Bb4?! Rc1 26.Bd1 Ra5 27.Ba5 Qa3 28.Rh7 Nh7 29.Qe8 Qf8+–); 24.Rg5?! Bd7 25.Bb5 Ng4+–) 1–0. pcmvr (2875) – gtan (2445), net–chess.com, 2009.

7.Nfd2 d5

8.Nc3 c6 9.Qb3 0–0 10.Be2 Be6 11.0–0 a6 12.a4 Nbd7 13.a5 b6 14.ab6 Nb6 15.c5 Nbd7 16.Ra6 Ra6 17.Ba6 Qa8 18.Ra1 Rb8 19.Bc8 Rc8 20.Ra8 Ra8 21.h3 Bf8 22.b5 cb5 23.Nb5 Rb8 24.Qa4 h5 25.Ba3 Rc8 26.Qa6 Nb8 27.Qb7 Kg7 28.f3 ef3 29.Nf3 Ne4 30.Ng5 Ng5 31.Nc7 Rd8 32.Ne6 Ne6 33.Bb4 Nd7 34.Qd5 Be7 35.Ba5 Nf6 36.Qe5 Ra8 37.Bc3 Bd8 38.c6 Bc7 39.Qb5 Ra3 40.Qb4 Ra6 41.d5 Ng5 42.d6 Bd6 43.Qd6 Nge4 44.Qc5 Kh6 45.Qc4 Ra8 46.Bf6 Nf6 47.c7 Rc8 48.Qf7 Ne4 0–1. barborski – roller4 (1675), kurnik, 2012.

8.cd5 Qd5 9.Qb3 (9.Nc3 Qd6+=) 9...Qd6 10.Nc3 Qe7 11.Rc1 0–0 12.a3 c6 13.g3 (13.Qc2 Re8+=) 13...Be6 14.Qc2 Bd5 15.Bg2 Re8 16.0–0 Na6 17.b5 Nc7 18.bc6 bc6 19.Na4 (19.Nd5!? Ncd5 20.Qc6+/–) 19...Na6 20.Nc5 Nc5 21.Qc5 Qc5 22.Rc5 Rab8 23.Bc3 Rb7 24.Bb4 Reb8 25.Rfc1 Rb5 26.Bf1 Rc5= 27.Bc5 Rb7 28.Ba6 Rd7 29.Rb1+/– Bh6?? 30.Rb8+– Kg7 31.Bf8 Kg8 32.Bh6 (32.Bh6 Rd8 33.Rd8 Ne8 34.Re8#) 1–0. bluepiramid2 (1750) – kenshi (1675), kurnik, 2012.

8.cd5 Nd5 9.Bc4 f5 10.Qb3 Be6 11.0–0 Nc6 12.Nc3 Nce7 13.f3 Ne3 14.Be6 Nf1 15.Kf1 e3 16.Bf7 Kf8 17.Nc4 Kf7 18.Nd6 Kf6 19.Nde4 fe4 20.Ne4 Kf5 21.Qf7 Bf6 22.Qf6# 1–0. Gross – Matz, corr 1985.

8.cd5+= Nd5 9.Ne4 Nb4 10.Qb3 Nd5 11.Bc4+/– c6 12.Nec3 Be6 13.Bd5 cd5 14.Qb7 Nd7 15.Nd5 Qa5? 16.Nbc3+– Rb8 17.Qc7 Qa6? 18.Qb8! Nb8 19.Nc7 Kd7 20.Na6 Na6 1–0. Grehl,Siegfried – Scholz, corr LM–89–107, 1989.

6.d4 Bg4

7.Be2 Bf3 8.Bf3 (< 8.gf3 ed4 9.Qd4 Nc6=+) 8...c6 9.0–0 e4 10.Be2 0–0 11.Nd2 Nbd7 12.Qc2 Re8 13.a4 Rc8 14.h3 Qe7 15.Rac1 d5 16.Qb3 a6 17.b5 ab5 18.ab5 Nb6 (18...dc4 19.Bc4 c5 20.f3 ef3 21.Rf3+=) 19.Ba3 Qe6 20.Bc5 Nbd7 21.cd5 Nd5 22.Bc4 Nc5 23.dc5 Qe5 24.Rfd1 Red8 25.Nf1 Qb2 26.Bd5 Rd5 27.Qc4 Rcd8 28.Re1 Qe5 29.Ng3 Bf8 30.Ne4 f5?? 31.Ng5?? Kg7 32.bc6 Rc5?? 33.Qe6 Rc1 34.Qe5 (34.Qe5 Kg8 35.Rc1 Rc8 36.Qe6 Kg7 37.Qc8 Be7 38.Qb7 Kf8 39.c7 Kg8 40.c8Q Kg7 41.Qe7 Kh6 42.Qh7 Kg5 43.Qd8) 1–0. nizinna – shkodra14, kurnik, 2011.

7.de5+= Bf3 8.Qf3+/– de5 9.Qb7 Nbd7 10.Nc3 0–0 11.Rd1 Qe7 12.Rd2 Rfb8+/– 13.Qc7 Rb4? 14.Ba3+– Rb1?? 15.Nb1 (15.Nb1 Qe8 16.c5+–) 1–0. Fritz 11 – amateur, 2011.

6.Be2 0–0

(--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.Be2 e5).

7.0–0 Re8 8.d3 c6 9.Nbd2 Nbd7 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.Be2 e5 7.d3 Nbd7 8.Nbd2 Re8 9.0–0 c6).

7.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.d4 e5 7.Be2).

6.Be2 b6

7.0–0 0–0 8.d4 Nc6 (8...e4 9.Nfd2+=) 9.b5+– e4 (9...Na5 10.de5 Nd7 11.Qc2 Ne5 12.Ne5 de5 13.f4+=) 10.bc6 ef3 11.Bf3 d5 (11...Re8 12.Nc3+–) 12.cd5 Nd5 13.Qb3 Be6 14.Nd2 (14.e4 Nf4 15.d5 Bb2 16.Qb2+– (16.de6?? Ba1 17.ef7 Rf7–+)) 14...Ne3? (better 14...Qg5+–) 15.Qe3+– Re8 16.Rfe1 Qd6 (16...f5 17.Qd3+–) 17.Ne4 Qb4 18.Bc3 Qc4 (18...Qa3 19.Ng5+–) 19.Nd2 Bd5 (19...Qa4+–) 20.Qe8 Re8 21.Re8 Bf8 22.Nc4 Bc4 23.Bb4 1–0. DEFFM – GuestCLGF, freechess.org, 2018.

7.0–0 Bb7 8.b5 Nbd7 9.d4 ed4 10.Bd4 0–0 11.Nbd2 d5 12.Nb3 dc4 13.Bc4 Ne4 14.Bg7 Kg7 15.Nbd2 Ndc5 16.Ne4 Be4 17.Ne5 Bg2 18.Kg2 Qg5 19.Ng4 Ne4 20.Qd4 Nf6 21.f4 Qg4 22.Kh1 Rad8 23.Qc3 Rde8 24.Rg1 Qh3 25.Rae1 Qf3 26.Rg2 Rd8 27.Be2 Qe4 28.Bf1 Rd6 29.Qc7 Rfd8 30.Qc3 Qf3 0–1. axtur777 – frnandoh, lichess.org, 2019.

7.0–0 Bb7 8.d4 ed4 9.ed4 0–0 10.Nbd2 Nc6 11.Bc3 Re8 12.b5 Ne7 13.d5 Nf5 14.Bd3 Qd7 15.Qc2 Nh6 16.Rfe1 Nh5 17.Re8 Re8 18.Re1 Re1 19.Ne1 Qe7 ½–½. Isola,Rainer – Lampersberger,Paul (1760), Raika op 7th, 1998.

6.Be2 c5

7.b5 Nbd7 8.a4 Nb6 9.a5 Nbd7 10.0–0 d5 (10...0–0 11.d4=) 11.d3 (11.Ne5!? Ne5 12.Be5 dc4 13.Bc4+–) 11...Qc7 12.Qb3 b6? (better is 12...d4+=) 13.ab6+– Qb6 14.Nbd2 (14.Ne5 Bb7+–) 14...a6? (14...d4!?+=) 15.ba6 (15.Ne5!? Ne5 16.Be5 Be6+–) 15...Ba6 16.Qb6 Nb6 17.Be5 0–0 18.Bc7 Nbd7 19.Ra5 Bb7 20.Ra8 Ba8 21.cd5 Bd5 22.Rc1 Rc8 23.Bd6 Ne8 24.Be7 Bb2 25.Rc2 Ba3 26.d4 Rb8? 27.dc5 Bb4 28.c6 Be7? 29.cd7 Nf6 30.Rc8 Rc8 31.dc8Q Kg7 32.Bc4 Bf3 33.Nf3 Ne4 34.Qe8 Nd6 35.Qe7 Nc4 36.Ng5 Kh6 37.Nf7 Kh5 38.Qg5 1–0. Fournier,Frederic – Vinsot Serge, Active, 1999.

7.bc5 dc5 (7...e4 8.Ng5 0–0 9.Qc2=) 8.0–0 (8.Ne5 Nfd7 9.Nd3 Bb2 10.Nb2 0–0+–) 8...Nc6 (8...e4 9.Ng5 0–0 10.f3=) 9.Nc3 (9.Ne5 Qb6 10.Qb3 Qb3 11.ab3 Ng4 12.Nc6 Bb2 13.Ra7 Ra7 14.Na7 Bd7+–) 9...e4 (9...0–0=) 10.Ng5?? (better 10.Ne4 b6 11.d3+–) 10...0–0 (10...h6 11.Nh3 Bh3 12.gh3=+) 11.Nd5 (better 11.f3=) 11...Nd5–/+ 12.Bg7 Kg7 13.cd5? (better 13.Ne4 Nb6 14.Nc5–/+) 13...Qd5–+ (13...Qg5 14.dc6 Bh3 15.Bf3 ef3 16.Qf3–+) 14.Nh3 Bh3 15.gh3 Qg5 (better 15...Rad8–+) 16.Bg4? (16.Kh1–+) 16...f5 17.f4 Qh4 (17...ef3 18.Qf3 fg4 19.Qg2–+) 18.Qc2? (18.Be2 Qh3 19.Qb3 b6–+) 18...Nb4 (better 18...fg4 19.Qb2 Kh6 20.Qb7 Qh3–+) 19.Qc3 (19.Qc5 Nd3 (19...fg4?! 20.Qb4 b6 21.Rac1 gh3 22.Rc7 Kh6 23.Qe4=) 20.Qc3 Qf6 21.Qf6 Rf6–+) 19...Rf6 (better 19...Qf6!? 20.Qc5 Nd3–+ (20...fg4 21.Qb4 Qe6 22.Qb7 Kg8 23.hg4+=)) 20.Qc5–/+ Nd3 (better 20...Nc6 21.Be2 Rc8–/+) 21.Qe7= Rf7?? (better 21...Kg8 22.Be2 Raf8=) 22.Qh4+– fg4 23.hg4 (23.hg4 Raf8 24.f5+–) 1–0. sirgeshdb (1615) – ADLERXD, lichess.org, 2020.

6.Be2 Nc6

7.a3 Bd7 8.0–0+= Qc8 9.Nc3 h5 (9...0–0 10.d4+=) 10.Nd5 Ng8 (10...Nd5 11.cd5 Ne7 12.d4+=) 11.d3 Nh6 (11...Nce7 12.Ne7 Ne7 13.d4+–) 12.Qc2 (12.d4 a6+–) 12...Bg4 13.b5 Ne7 14.Ne7 Ke7 15.Rfe1 Qe6 (15...c6 16.bc6 Qc6 17.d4+–) 16.Ng5 (16.h3 Bf3 17.Bf3 Rab8+–) 16...Qd7 17.d4 f6 18.Qg6 (better 18.Nf3+–) 18...fg5? (better 18...Rag8 19.Bg4 Qg4+=) 19.Qg7+– Ke6 (19...Nf7 20.de5 de5+–) 20.d5 Kf5 21.e4! Ke4 (21...Ke4 22.Qg6 Mate attack) 22.f3 (22.Qg5 Qf7 23.Bf3 Kd3 24.Qc1 Qf3 25.Qc3) 22...Bf3 23.Bf3 (23.gf3 Kf5 24.Bd3 Kf4 25.Re4 Kf5 26.Rg4 e4 27.Be4) 23...Kf5 (23...Kd3 24.Rac1 Qf5 25.Rc3 Kd4 26.Rd1 Qd3 27.Rdd3 Kc5 28.Qc7) 24.Qd7 (24.Qd7 Kg6 25.Be4 Kf6 26.Rf1 Nf5 27.Rf5 Kg6 28.Re5 Kh6 29.Re6; 24.Be4 Kg4 25.Qd7 Nf5 26.Qf5 Kh4 27.Qh3) 1–0. GuestZPFZ – GuestHHHL, freechess.org, 2017.

7.a3 Ne7 8.d3 0–0!?=.

7.a3 Ne7 8.d3 b6 9.Nbd2 Bb7 10.e4 0–0 11.0–0 Nd7 12.Nh4 (12.Re1 c5=) 12...f6 13.f4 f5 14.Nhf3 (14.ef5 Nf5 15.Nf5 Rf5 16.fe5 Rf1 17.Bf1 a5=) 14...h6 (14...fe4!? 15.Ng5 A) 15...ef4? 16.Bg7 Nf5 17.Ne6+– (17.Bf8?! Qg5 18.Be7 Qe7=); B) 15...ed3 16.Bd3 Qc8= (16...Rf4? 17.Rf4 ef4 18.Bg7+–)) 15.fe5+= Ne5 16.Qc2 Nf3 (16...c5 17.Rae1=) 17.Bf3+= (17.gf3?! Bb2 18.Qb2 c5=) 17...Bb2 18.Qb2 Kh7 (better 18...c5!?+–) 19.ef5+– Nf5?? (better 19...Bf3 20.fg6 Ng6 21.Nf3 Nh4+–) 20.Bb7 Rb8 21.Be4 Ne3 22.Rf3 Rf3 23.Nf3 (23.gf3?! Qg5 24.Kf2 Qf4+–) 23...Qd7 (23...Qh8 24.Qh8 Rh8 25.Re1+–) 24.Qf6 (24.Re1 Nf5+–) 24...Qg7 25.Qg7 Kg7 26.h3 (26.Re1 Nc2 27.Re2 Na3+–) 26...Nf5 (26...c5 27.Kf2 Nf5 28.g4+–) 27.Bf5 gf5 28.Re1 (28.Nd4 Kg6+–) 28...Rf8 29.Nd4 (29.Nd4 Rf7 30.b5+–) 1–0. GuestNTNN – GuestHKTK, freechess.org, 2017.

7.a3 Ne7 8.d3 e4 9.de4+/– 0–0 10.Nbd2 c5 11.b5 a6 12.a4 ab5 13.ab5 Ra1 14.Qa1 Be6?? (better is 14...Nh5+–) 15.Bf6 Bf6 16.Qf6 Qa5 17.0–0 Nc8 18.e5 de5 19.Qe5 Nb6 20.Qc5 Rc8 21.Qd4 Nd7 22.Rc1 Rd8 23.Qc3 Qa4 24.Ra1 Qa1 25.Qa1 Nc5 26.Nd4 b6 27.Qa7 Kg7 28.Qb6 Nd7 29.Qd8 Ne5 30.Ne6 fe6 31.Qe7 Nf7 32.b6 e5 33.b7 e4 34.b8Q h5 35.Qbf8 Kh7 36.Qef7 1–0. Fournier,Frederic (1825) – mjavi (1615), Active (5/0), 2006.

7.b5 Na5 8.d4 (8.Bc3 c5+=) 8...ed4 (8...e4 9.Nfd2+=) 9.Nd4 (9.Bd4 a6+=) 9...0–0 (9...a6 10.0–0+=) 10.0–0 (10.Qa4 c5 11.bc6 Nc6=) 10...b6 (10...a6 11.a4+=) 11.Nd2 (11.Bf3 Rb8+–) 11...Re8 (11...a6 12.Bf3 Ra7 13.N2b3 Nc4 14.Nc6 Nb2 15.Qc2+–) 12.Bf3+– Rb8 (12...d5 13.Qc2+–) 13.Bc3 (13.N2b3 Bb7 14.Na5 ba5+–) 13...Bb7 (13...Bd7 14.Rb1+–) 14.Ba5 (better 14.Bb7 Rb7 15.Ba5 ba5 16.N2b3+–) 14...Bf3? (better 14...ba5!? 15.Bb7 Rb7+–) 15.Qf3+– (15.N4f3?! ba5 16.Nd4 Rb6+–; 15.gf3?! ba5 16.Nc6 Qd7 17.Nb8 Rb8+–) 15...ba5 16.Nc6 Qd7 (16...Qc8 17.Nb8 Qb8 18.Rab1+–) 17.Nb8 Rb8 18.Rac1 (18.Nb3 a4 19.Nd4 Ng4+–) 18...Qe6 (18...Ng4 19.Rfd1+–) 19.Qc6 Ne8 (19...Qc8 20.c5 dc5 21.Rfd1+–) 20.Qa6 Bh6 (20...Ra8 21.Qa5 a6 22.Rb1+–) 21.Qa7 (21.Nb3 Qc8 22.Qc8 Rc8 23.Na5 Ra8+–) 21...Rd8 (21...Qc8 22.Nf3+–) 22.Qa5 Qe5 (22...Bg7 23.Rfd1+–) 23.Nf3 Qe4 24.a4 Ra8 25.Qb4 Nf6 (25...Ng7 26.a5+–) 26.a5 Nd7 (26...Bg7 27.Rfd1+–) 27.a6 (27.Rfd1 Nc5 28.Rb1 Bg7+–) 27...Nc5 (27...Bg7 28.Rfd1+–) 28.Rcd1 (28.Qd2 Bg7+–) 28...Bg7 29.Nd4 Be5 (29...Nd7 30.Rd2+–) 30.Qa5 Qh4 (30...Rc8 31.Nc6 Bf6 32.a7+–) 31.g3 Qe7 (31...Qg4 32.Qc7 Rc8 33.Qa7+–) 32.Nc6 Qe8 33.Qc7 Rc8 (33...Nd7+–) 34.Qc8! (34.Qc8 Qc8 35.Ne7 Kg7 36.Nc8+–) 1–0. DEFFM – GuestLBNZ, freechess.org, 2018.

7.b5 Nb4 8.a3+/– Nbd5? 9.cd5+– Nd5 10.Qb3 Be6 11.Bc4 Ne7? 12.Be6 fe6 13.Ng5 Qd7 14.Ne6 Bf6 15.Nc3 d5 16.Nc5 Qg4 17.Nd5 0–0–0 18.Nf6 Qg2 19.Qe6 Kb8 20.Rf1 Nf5 21.Be5 (21.Be5 Ka8 22.Ke2+–) 1–0. pereira – opponent, internet, 2009.

7.b5 Ne7 8.d4 Nd7 (8...ed4 9.Nd4 0–0 10.0–0=) 9.0–0 e4 (better 9...0–0!?+=) 10.Ng5+– f5?? (better 10...Nf6 11.Nc3 Bf5+–) 11.Ne6+– 1–0. DEFFM – jangazy, freechess.org, 2018.

6.Be2 e4

7.Nd4 0–0 8.Nc3 c5 9.Nc2 Nc6 10.b5 Ne5 11.d4 ed3 12.Bd3 Nd3 13.Qd3 Bf5 14.Qe2 Ne4 15.Ne4 Bb2 16.Rb1 Qa5 17.Nd2 Qc3 0–1. Berlacki – Unzicker, Bad Woerishofen 1992.

7.Nd4 Na6 8.0–0 =.

7.Nd4 c5 8.bc5 dc5 9.Nb3 Na6 10.0–0 0–0 11.a3 Bf5 12.Nc1 Qd6 13.Nc3 Rfd8 14.Nb3 Qe6 15.Nb5 Rd7 16.f3 ef3 17.Bf3 Qc4 18.Nc3 Rad8 19.Be2 Bd3 20.Bd3 Rd3 21.Na5 Qe6 22.Nb7 R8d7 23.Na5 Rd2 24.Qc1 Ng4 25.h3 Qe3 26.Kh1 Qg3 0–1. hal1958 – BDG_Girl, playchess.de, 2002.

7.Nd4 c5 8.bc5 dc5 9.Nb3 b6 10.0–0 0–0 11.d4 Nbd7 12.Nc3 Bb7 (12...Qe7 13.f3=) 13.dc5 Nc5 14.Nc5 bc5 15.Rb1 Ne8 (15...Qd1 16.Rfd1 Bc6+/–) 16.Na4+/– Bc6 (16...Qc7 17.Bg7 Kg7 18.Nc5 Qc5 19.Rb7+/–) 17.Nc5 (17.Bg7 Qd1 18.Bd1 Kg7 19.Nc5 Rd8+/–) 17...Qe7 18.Ba3 (18.Bg7 Ng7 19.Qd4 Rfd8–+) 18...Nf6 19.Qb3 (19.Bb4 Rfd8 20.Qc2 Nd7+–) 19...Rfd8 (19...Qe5 20.Rfd1+/–) 20.Rfd1 (20.Nb7 Qb7 21.Qb7 Bb7 22.Rb7 Rd2+/–) 20...Qc7 21.Bb2 Qa5 (21...Rd1 22.Rd1 (22.Bd1? Qa5 23.Nd3 ed3–+; 22.Qd1?! Rd8 23.Qc2 Qe7+/–) 22...Rb8 23.Qc2=+) 22.Bd4 Qc7 (22...Rac8 23.Qb2+/–) 23.Qc3 (23.Qc2 Rab8+–) 23...Qe7 24.Qa5 Rab8 25.Nb3 (25.Rb8 Rb8 26.a3 h6+/–) 25...Rd7 26.Bc5 (26.Nc5 Rdd8 27.Rb8 Rb8+/–) 26...Qe8 (26...Qe5!?+/–) 27.Nd4+– (27.Ba7 Ra8 28.Rd7 Qd7+/–) 27...Qc8?? (better is 27...Rc8+–) 28.Rb8 (28...Qb8 29.Nc6 Rd1 30.Bd1+–) 1–0. Sawamura,Tetsushi (1830) – Jobe,Tom (1915), CL3–2002.31.06, 2002.

6.Be2 Be6

7.0–0 Nbd7 8.Nc3 a5 9.b5 0–0 10.Ng5 Qe7 11.Ne6 fe6 12.d4 ed4 13.ed4 e5 14.d5 Nc5 15.Na4 Na4 16.Qa4 Nd7 17.Ba3 Rf4 18.Rac1 b6 19.Qd1 Raf8 20.Bg4 Kh8 21.Be6 R4f6 22.Rc2 Bh6 23.Qg4 Rf4 24.Qh3 Rh4 25.Qg3 Bf4–/+ 26.Bd7? Bg3–+ 27.hg3 Rd4 28.Be6 Qg5 29.f4?? Qg3 30.Bb2 Rdf4 31.Re1 Qe1 32.Kh2 Rh4 33.Bh3 Rf1 34.g3 Rh1 35.Kg2 Qf1 0–1. orangutanb4 (1920) – zzuk (1850), kurnik, 2011.

7.0–0 Nbd7 8.d4 ed4 9.Nd4 0–0 10.Ne6 fe6 11.Qb3 e5 12.Nd2 Kh8 13.Bf3 c6 14.Rfd1 Qc7 15.Rac1 a6 16.a4 Rae8 17.b5 ab5 18.ab5 c5 19.Ne4 Ne4 20.Be4 Nf6 21.Bd5 Nd5 22.Rd5 Qf7 23.f3 e4 24.f4 Bb2 25.Qb2 Qg7 26.Qg7 Kg7 27.Rd6 Rf6 28.Rd7 Rf7 29.Rcd1 Ree7 30.Re7 Re7 31.Rd5 b6 32.Rd6 Rb7 33.Re6 Kf7 34.Re4 1–0. carocan (1750) – ark72, kurnik, 2012.

7.0–0 h6 8.d4 e4 9.Nfd2 d5 10.cd5 Bd5 11.Nc3 c6 12.Nd5 cd5 13.a4 0–0 14.b5 Nbd7 15.Qb3 Rc8 16.Rac1 Qb6 17.Ba3 Rfe8 18.h3 Bf8 19.Rc3 Rc3 20.Qc3 Ba3 21.Qa3 Rc8 22.Rc1 Rc1 23.Qc1 Qa5 24.Qc2 Kg7 25.Nf1 Nb6 26.Bd1 Nc4 27.Ng3 Nd7 28.Ne2?? Qe1–+ 29.Kh2 Qf2 30.Nf4 Qe3 31.Nd5 Qd4 32.Nf4?? Nde5 33.Be2 e3 34.g3 Qd2 35.Qe4 b6 36.Kg2 Qe1 37.Bg4? Qf2 38.Kh1 Qg3 39.Ne2 Qe1 40.Kg2 Ng4 41.hg4 Qf2 42.Kh3 Qe2 43.Qd4 Kf8 44.Qd8= Kg7 45.Qd4 Kh7 46.Qf6 Qf2 47.Qd8 Ne5 48.Qd4 Qf3 49.Kh2 Ng4 (49...Ng4 50.Qg4 Qg4 51.a5 e2 52.a6 e1N 53.Kh1 Qg2) 0–1. nizinna – pikiipiwo, kurnik, 2011.

7.Qc2 0–0 8.d3 d5 (better is 8...Na6!? 9.a3 c5=) 9.Ne5+/– Nbd7 10.Nd7 Qd7 11.0–0 c6 12.Nd2 Bf5 13.Rad1 Rad8 14.Qb3 Be6 15.Nf3 Ng4 16.Bg7 Kg7 17.h3 Nf6 18.c5 b6 19.Ne5 Qc7 20.d4 Nd7 21.f4 f6 22.Nd7 Rd7 23.Rc1 Bf5 24.cb6 ab6 25.a4 Be4 26.b5 Rd6 27.Rc3 Rc8 28.Rfc1 Qd7 29.bc6 Rdc6?? 30.Rc6 Rc6+/– 31.Rc6 Qc6 32.Qb5 Qc1 33.Kf2 Qh1 34.Qd7 Kh6?? 35.Bf1 g5 36.fg5 fg5 37.Qe6 Kh5 38.Be2 g4 39.Qg4 Kh6+– 40.Qh5 Kg7 41.Qg5 Kf8 42.Qd8 Kg7 43.Qc7 Kf8 44.Qb8 Kf7 45.Bf3 Bf3 (45...Bf3 46.Qf4 Ke7 47.Qf3 Qc1 48.Qd5 Qc2 49.Kg3 Qa4 50.Qb7 Ke8 51.Qh7 b5+–). ourang –mateuszorlow, kurnik, 2012.

6.Be2 Bf5

7.d3 0–0 8.0–0 Nbd7 9.e4 Bg4 10.h3 Bf3 (10...Be6 11.Nc3=) 11.Bf3 Bh6 12.Nc3 c6 13.Qc2 a5 14.a3 ab4 15.ab4 Qc7 16.Ne2 Rfd8 17.Rfd1 Nf8 (17...c5 18.b5+=) 18.d4+– Ne6 19.Ra8 Ra8 20.de5 de5 21.h4 (21.Qc3 Ng5+=) 21...Ra2 (21...c5 22.bc5 Ra5 23.c6 bc6 24.g4=) 22.Qb3+= Ra8 23.Qc3 Nd7 24.Bg4 Re8 25.c5 f6 (25...Nf6 26.Bf3+=) 26.Rd6 Ndf8 27.Qb3 Kf7 (27...Qf7 28.h5+=) 28.g3 (28.h5 b6+–) 28...Kg7 29.f4 (worse 29.Re6 Qf7=+) 29...ef4?? (better 29...Nd8+–) 30.Be6+– (worse 30.Re6 Ne6 31.Be6 f3 32.Qf3 Re6–/+) 30...Ne6 31.Re6 Re6 32.Qe6 fg3 1–0. DEFFM – GuestPXZJ, freechess.org, 2018.

7.d3 Na6 8.b5 Nc5 9.0–0 =.

7.d3 Na6 8.b5 Nc5 9.Nbd2?? Nd3–/+ 10.Bd3 Bd3 11.Qb3 Bf5 12.0–0 0–0 13.a4 Ne4 14.Ne4 Be4 15.Nd2 Bf5 16.e4 Be6 17.Qc3 Bh6 18.f4 Bg7 19.f5 Bd7 20.Rf3 Bf6 21.Raf1 g5 22.g4 Kg7 23.R1f2 Qe7 24.Nf1 Rh8 25.Ng3 Rad8 26.Nh5+= Kg8 27.Ba3 b6 28.Bc1 Bc8 29.Qe3 h6 30.Rh3 Bb7 31.Ba3 ½–½. Kuhmann,Heinz – Fischer,Daniel2, Erlangen op, 1999.

7.d3 Na6 8.b5 Nc5 9.e4 =.

7.d3 Nbd7 8.Nc3 0–0 9.e4 Bg4 10.h3 Bf3 11.Bf3 c5 12.b5 Qa5 13.0–0 Nb6 (13...a6 14.Qb3=) 14.a4 Nc8 (14...Bh6 15.Re1+=) 15.Ne2 Ne7 (15...Nd7 16.Bc3 Qc7 17.Ng3+=) 16.Qc2 (16.Bc3 Qc7+=) 16...Nd7+= 17.Nc3 Qd8 (17...a6 18.Rfb1+=) 18.a5 a6 19.b6 Nc6 20.Nd5 Nd4 21.Bd4 cd4 22.Bg4 Nc5 23.f4 f5 24.ef5 (24.Bf3 fe4 25.Be4 Ne4 26.de4 Qh4+=) 24...gf5= 25.Bh5 (25.Be2 e4=) 25...Qh4 26.Qe2 (better is 26.Be2=+) 26...Nd3 (26...e4 27.Nb4 Rf6=+) 27.Nc7?? (better is 27.Qd3 Qh5 28.fe5 de5 29.Ne7 Kh8 30.Nf5+=) 27...Nf4–/+ 28.Rf4 Qf4 (28...ef4?! 29.Na8 d3 30.Qe6 Kh8 31.Rf1 Qh5 32.Nc7–/+) 29.Na8 Ra8 30.Rf1 Qg5 31.h4 Qf6 32.Bg4 f4 33.Qe4–/+ Qf7 34.g3 Bh6 35.gf4 Bf4–+ 36.Bf5 Qg7 37.Kh1 Qf7?? 38.Rf4 ef4? 39.Be6 Rf8 40.Bf7 Rf7 41.Qd4 f3 42.Kg1 Rf5 43.Qg4 (43...Kf7 44.Qf5 Ke7 45.Qh7 Kf6 46.Qb7 f2 47.Kf2+–) 1–0. Heinzel,Mark – Jambor,Peter, Augsburg op 2nd, 1995.

7.d4 e4 8.Nh4 Bd7 =+.

6.Be2 Bg4

7.0–0 c6 8.d4 e4 9.Nfd2 (9.Ng5 Be2 10.Qe2 h6=) 9...Be2= 10.Qe2 a5 (10...0–0 11.Nc3=) 11.ba5 (11.b5 0–0+=) 11...h5 (11...Ra5!? 12.Nc3 Qe7=) 12.Nc3+– Qe7 13.f3 (13.Nb3 Nbd7+–) 13...ef3+= 14.Rf3 (14.Qf3 Ra5 15.e4 0–0=) 14...Nbd7 (14...Ra5!? 15.a4 Nbd7+=) 15.Nb3+– 0–0 16.Raf1 (16.Re1 c5+=) 16...Rae8 (16...d5 17.Re1+=) 17.Ba3+– Qe6 (17...c5 18.dc5 dc5 19.Rd1+–) 18.e4! Ng4 (18...Ne4 19.Qe4 Decoy) 19.h3 Nh6 20.Qd3 (20.Qf2 f5 21.e5 Nf7+–) 20...f5 (20...c5 21.Nb5+–) 21.e5! Nf7 (21...de5 22.Bf8 Pinning (22.Bf8 Deflection)) 22.Re3 d5?? (better 22...de5 23.d5 Qf6+–) 23.cd5+– cd5 24.Qb5 1–0. Adlai – Cittadino, corr, 2018.

7.0–0 Nbd7 8.d3 0–0 9.Nbd2 a5 10.a3 b6 11.h3 Bf5 12.e4 Be6 13.Ng5 Qe8 14.Ne6 Qe6 15.f4 ab4 16.ab4 c5 17.b5 h5 18.f5 Qe7 19.Nb3 h4 20.Qd2 Nh5 21.Bh5 gh5 22.Qe2 Ra1 23.Ra1 Nf6 24.Bc1 Kh7 25.Bg5 Bh6 26.Bh4 Rg8 27.Qh5! Nh5 28.Be7 Nf4 29.g4 Nh3 30.Kh2 Nf4 31.Kg3 Bf8? 32.Rh1 Kg7 33.Bg5 Nd3 34.Bd8 Nb2 35.Nd2 f6 36.Bb6 Be7 37.Ra1 Rb8 38.Bc7 Rb7 39.b6 Nd3 40.Ra7 Rb6 41.Bb6 Kf7 42.Bd8 Nb4 43.Be7 Nc6 44.Kh4 Ne7 45.Kh5 Ke8 46.Re7! Ke7 47.g5 fg5 48.Kg5 Kf7 49.Kh6 Kf6 50.Kh5 d5 51.cd5 c4 52.Nc4 Ke7 53.d6 Kd7 54.Kg6 Kd8 55.f6 Ke8 56.f7 Kf8 57.d7 Ke7 58.Kg7 (58.Kg7 Kd7 59.f8Q Kc6 60.Ne5 Kb5 61.Qe7 Kb6 62.Qb4 Kc7 63.Qc5 Kb7 64.Qb5 Kc7 65.Qc6 Kb8 66.Nd7 Ka7 67.Qc7 Ka6 68.Qb6; 58.Ne5 Kd6 59.d8Q Ke5 60.f8Q Ke4 61.Qf5 Ke3 62.Qdd3) 1–0. Fournier,Frederic – matiaslocura200 (1950), Active (5/0), 2004.

7.Nc3 Nc6 8.a3 a5 9.b5 Ne7 10.d4 e4 11.Nd2 Be2 12.Qe2 d5 13.cd5 Nfd5 14.Nce4 0–0 15.0–0 Qd7 16.Nc5 Qc8 17.Rab1 b6 18.Nd3 Qd7 19.e4 Nf6 20.Ne5 Qd6 21.Ndc4 Qd8 22.d5 Nd7 23.Nd7 Qd7 24.Bg7 Kg7 25.Ne5 Qd6 26.Nc4 Qc5 27.Rfc1 Qd4 28.Qb2 Qb2 29.Rb2 Rac8 30.Ne5 f5 31.ef5 Rf5 32.Nc6 Nc6 33.dc6 Rcf8 34.f3 R8f7 35.Rc4 Re7 36.Kf2 Rfe5 37.a4 h5 38.h3 g5 39.g4 h4 40.Rd4 Re1 41.Rbd2 Kf6 42.Rd5 R1e5 43.Re5 Ke5 44.Rd7 Ke6 45.Re7 Ke7 46.Ke3 Ke6 47.Ke4 Kf6 48.f4 gf4 49.Kf4 Kg6 50.g5 Kh5 51.g6 Kg6 52.Kg4 Kh6 53.Kh4 Kg6 54.Kg4 Kh6 55.h4 Kg6 56.h5 Kh6 57.Kf5 Kg7 58.Ke6 Kh6 59.Kd7 Kh5 60.Kc7 Kg5 61.Kb6 Kf5 62.Ka5 Ke5 63.c7 Kd6 64.c8Q 1–0. Evgenii_777 (1680) – Fattyred (1710), lichess.org, 2020.

7.d3 0–0 8.Nbd2 Nc6 9.a3 Re8 10.0–0 Qd7 11.e4 Bf3 12.Nf3 a5 13.Qb3 ab4 14.ab4 Ra1 15.Ra1 Qe6 16.b5 Ne7 17.Ra7 Rb8 18.Ng5 Qc8 19.c5! d5? 20.Be5+– h6 21.Nf3 de4 22.de4 Ne4 23.Bg7 Kh7?? 24.Qf7+– Qg8 25.Qe7 Qg7 26.Qg7 Kg7 27.c6 b6 28.Rc7 Kf6 29.Bd3 Nc5 30.Bc4 Rd8 31.g3 Rd1 32.Kg2 Ne4 33.Rd7 Rf1 34.Bf1 (34.Bf1 Nc5 35.c7 Nd7 36.c8Q+–; 34.Rf7) 1–0. Fournier,Frederic (1775) – sacken (1780), Active (5/0), 2004.

7.d4 Nbd7 8.de5+= de5 9.Ne5 Be2 10.Qe2 Ne5 11.Be5 0–0 (11...Qe7 12.Qb2+=) 12.Nd2 (12.0–0 Qe7 13.Qb2 Rad8+/–) 12...Re8 (12...Qe7 13.Bc3+/–) 13.Bc3+/– Qd7 (13...Qe7 14.Qf3+/–) 14.0–0 (14.Qf3 Rad8 15.Rd1 Ne4 16.Ne4 Qd1 17.Qd1 Rd1 18.Kd1 Re4=) 14...Rad8 15.Nb3 (15.Qf3 c6+/–) 15...Qf5 (15...Ne4 16.Bg7 Kg7 17.Qb2 Kg8 18.Nd4+/–) 16.Rad1 Rd1 (16...h6 17.Na5 Rb8 18.Bd4+/–) 17.Rd1 Re4? (17...c6 18.Na5 Rb8 19.Qf3 Qf3 20.gf3+–) 18.Nd4 (18.Nc5 Re8 19.Nb7 Ne4 20.Bg7 Kg7+–) 18...Qg5 19.Nf3 Qg4 20.Rd8 Re8?? 21.Bf6 (21.Bf6 Rd8 22.Bd8+–) 1–0. Fredek (2090) – Guest381785, Freundschaftspartie, 5m + 0s, 2005.

7.d4 e4 8.Ng5 Be2 9.Qe2 =.

6.h3 0–0

7.b5 Be6 8.a4 Nbd7 9.Be2 Nc5 10.d4 ed4 11.Bd4 Qe7 12.0–0 Nce4 13.Nh2 Rfd8 14.Qc2 d5 15.c5 Bf5 16.Qc1 c6 17.Nd2 Rac8 18.Ne4 Ne4 19.Bg7 Kg7 20.b6 Nc5 21.ba7 Ra8 22.Qc3 Kg8 23.Rfc1 Na6 24.Ba6 ba6 25.Qc6 Ra7 26.Nf3 Bd7 27.Qd5 Bh3 28.Qe5 Be6 29.Ng5 Re8 30.Ne6 Qe6 31.Qd4 Rd7 32.Qc5 Rd2 33.Rc2 Rd5 34.Qc4 Rd1 35.Rd1 Qc4 36.Rc4 Rb8 0–1. Abdullaevich (1700) – deepblue200 (1675), lichess.org, 2018.

7.Nc3 c6 8.Ne2 Bf5 9.Ng3 Be6 10.Ng5 Bd7 11.Qb3 h6 12.Nf3 Be6 13.a3 b5 14.d3 bc4 15.dc4 a5 16.Qd3 ab4 17.Nd2? (17.ab4 Na6 18.Qd2=) 17...ba3 18.Ba3 Ne8 19.e4 c5 20.Be2 Nc6 21.0–0 Nd4 22.Bd1 Qc8 23.Nb3 Nf6 24.Nd4 ed4 25.f4 Bh3 (better is 25...Nd7!?–/+) 26.gh3= Qh3 27.Rf3 Ng4 28.Qd2 Ne3–/+ 0–1. nakpim – himi69, kurnik, 2012.

7.d4 e4 8.Nfd2 c6 9.Nc3 d5 10.cd5 cd5 11.Rc1 Be6 12.Be2 Nbd7 13.0–0 Rc8 14.Qb3 Nb6 15.a4 a6 16.a5 Nbd7 17.Rc2 Nh5 18.Rfc1 f5 19.Na4 Rc2 20.Rc2 f4 21.Bh5 gh5 22.ef4 Rf4 23.Nc5 Nc5 24.bc5 Qf6? 25.Nf1 Qg5? 26.Ng3?? h4+= 27.Nf1 Rf3 28.Qb7+/– Bf8? 29.Ne3 Bh3 30.Bc1 Re3 31.fe3 Qg4 32.Qd5 Qe6 33.Qe6 Be6 34.c6 Bd6 35.c7 Bc8 36.Rc6 Bg3 37.d5 Kf7 38.Rc4 Ke7 39.Re4 Kd6 40.Re8 Bd7 41.Rh8 Kc7 42.Rh7 Kd6 43.Ba3 Kd5 44.Rd7 Ke4 45.Ra7 Ke3 46.Ra6 Bf2 (46...Bf2 47.Kf1 Bg3+–) 1–0. vihavald (1700) – wojtek44 (1625), kurnik, 2012.

7.Be2 Be6 8.0–0 Qd7 9.Ng5 Bf5 10.Nc3 h6 11.Nf3 e4 12.Nd4 Bh3 13.gh3 Qh3 14.Ne4?? (better is 14.a3+/–) 14...Ne4–/+ 15.Bg4 (15.Rb1!?–/+) 15...Qh4–+ 16.Qf3? (better is 16.d3 f5 17.Qf3–+) 16...Nd2 17.Qg2 Nf1 18.Rf1 c5 19.bc5 dc5 20.Nf3 Qe7 21.Bg7 Kg7 22.Rd1 Rd8 23.Rd8 Qd8 24.Ne5 Nd7 25.Nd7 Qa5 26.Qb7+/– Qe1? 27.Kg2+– Rd8 28.Qd5 h5? 29.Qe5 Kg8 30.Nf6 Kf8 31.Nd7 Kg8 32.Qf6 Qa5? 33.Ne5 Qc7 34.Bf3 Rd6+/– 35.Qf4 Qe7 36.Nf7 Rf6=+ 37.Qb8 Kf7 38.Bd5 Kg7 39.Qg8 Kh6 40.Qh8 Kg5 41.f4 Kh4–+ 42.Qh6 (42.Qh6 Rb6 43.Qh8–+). vihavald (1625) – plotek2004, kurnik, 2012.

5.g3 a5

6.a3 0–0 7.Bg2 e5 (7...ab4 8.ab4 Ra1 9.Ba1= e5 10.0–0 Be6 11.d3 Na6 12.Bc3 c6 13.Ng5= –0.06) 8.d3 (8.0–0 ab4 9.ab4 Ra1 10.Ba1 Be6= 11.d3 Na6 12.Bc3 c6 13.Ng5= –0.06) 8...Nc6 (8...Nfd7 9.Nc3= ab4 10.ab4 Ra1 11.Qa1 Nc6 12.b5 Ne7 13.0–0= 0.19; 8...ab4 9.ab4 Ra1 10.Ba1 Na6 11.Bc3 c6 12.0–0 Be6 13.Ng5= –0.06) 9.b5 Ne7 10.0–0 (10.Nbd2 h6= (10...Bg4 11.0–0 Qd7 12.Bc3 Rfe8 13.Rb1= 0.13) 11.0–0 Re8 12.Qa4 Nd7 13.d4= 0.09) 10...Bd7 (10...Re8 11.Nbd2= (11.Nc3 Qd7 12.Qa4 e4 13.de4= 0.16) 11...a4 12.Rb1 Bg4 13.Bc3+= 0.31) 11.Nc3 Qc8 (11...c6 12.Rb1= Qc7 13.bc6= 0.22) 12.Re1 Bh3= 13.Bh1 h6 14.Nd2 c5 15.bc6 bc6 16.Na4 Qc7 17.Ra2 Rab8 18.Qa1 Nd7=+ 19.Bc3 f5 20.Rb1 Qa7 21.Rb8 Rb8 22.Rb2 Rb2 23.Qb2 Kh7 24.Nb3 h5 25.Na5+/– e4 26.Qb7 Qb7+/– 27.Nb7 ed3 28.ed3+– Ne5 29.Nd6 Nd3 30.Nf7 Nc1+/– 31.Ng5 Kg8 32.Bf3 Bg4 33.Bg7 Kg7 34.Nc5 Kf6+/– 35.h4 Ke5 36.Bc6 Nc6 37.f3 Kd4 38.Nce6 Kc4=+ 39.fg4 fg4 40.Nf4 Ne5 41.Kf2 Ned3 42.Ke3 Nf4 43.Kf4 Ne2=+ 44.Ke5 Ng3 45.Kf6 Kb3 46.Kg6 Ka3 47.Ne6 Kb4 48.Nf4= Kc5 49.Kg5 Kd6 ½–½. Willim,M (2155) – Troyke,C (2370), 5th LGA Premium Cup, Nuernberg GER, 2008.

6.b5 a4 7.a3 c6 8.bc6 Nc6 9.e3 Qb6 10.Qc1 Na5 11.Ra2 Bg4 12.Nd4 e5 13.f3 ed4 14.fg4 de3 15.d3 Nb3 16.Qd1 0–0 17.Be2 d5 18.0–0 d4 19.Bc1 Nd7 20.Rc2 Ne5 21.g5 f6 22.gf6 Rf6 23.Bb2 Raf8 24.Qe1 (24.Rf4–+) 24…Rf1 (24...Rf1 25.Qf1 Rf1 26.Bf1 Nc5–+) 0–1. Morozov,Vasiliy (2045) – Filimonov,Alexey (2230), Novokuznetsk op, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 a5)

6.b5 e5 7.Bg2 Nbd7 8.0–0 Nc5 9.d4 ed4 10.Bd4 0–0 11.Nc3 Be6 12.Nd2 Qc8 13.Nde4 Ncd7 14.Qd3 Ne5 15.Nf6 Bf6 16.Qe4 Bc4?? 17.Be5+– d5 18.Nd5 Bd5 19.Qd5 Be5 20.Qe5 Re8 21.Qb2 Qg4 22.Bb7 Re2 23.Qc3 (23...Rae8 24.Bf3+–) 1–0. mrkt – pyrokins, ChessWorld.net, 2004.

6.a3 ab4 7.ab4 Ra1

8.Ba1 Na6 9.Qb3 0–0 10.Bg2 Bd7 11.0–0 b5 12.Qa3 Qc8 13.cb5 Bb5 14.Nc3 Bd7 15.Bb2 Qb7 16.b5 Nc5 (16...Bb5? 17.Nd4 d5 18.Ndb5+– (18.Ncb5?! c5+=)) 17.d4 Nce4 18.Ng5 d5 19.Nge4 Ne4 20.Qa6 Bc8 21.Qb7 Bb7 22.Rc1 Bd4 23.Ne4 Bb2 24.Rc7 Ba8 25.Nc5 Be5 26.Rd7 (worse is 26.Re7 Bd6 27.Rd7 Bc5 28.Bd5 Bd5 29.Rd5 Rc8–/+) 26...Bd6 27.Na6 Rc8 28.h4 Kg7 29.Ra7 Kf6 30.Bh3 e6 31.Rd7 Be5 32.g4 h6 33.g5 hg5 34.hg5 Kg5 35.Rf7 Rc1 36.Kg2 d4 37.f3 Rb1 38.Nc5 Bd5 39.Be6 Be6?? (better is 39...Rb5 40.Bd5 Rc5+=) 40.Ne6+– Kh6 41.f4 Bh8 42.Ng5 Bg7 43.Rb7 Rb2 44.Kf1 Rb4 45.Ne6 Bf6 46.b6 Rb1 47.Kg2 Rb2 48.Kf3 Rb3 49.Kf2 Rb2 50.Ke1 Rb1 51.Kd2 Rb2 52.Kd1 Kh5? 53.Rf7 Bh4 54.b7 Bf2 55.f5 Be3 56.Rh7 Kg4 57.fg6 Rd2 58.Kc1 Re2 59.Kb1 d3 60.b8Q 0–1. Chistiakova,Tamara (2270) – Garaeva,Gulnara (2110), RUS Cup (Women), 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 d6 4.Bb2 Bg7 5.g3 a5)

8.Ba1 Nc6 9.b5 Na5 10.Qa4 Bf5 11.d3 b6 12.Bg2 0–0 13.Bc3 +=.

6.b5 b6

7.Bg2 Bb7 8.0–0 0–0 9.d3 e5 10.Nc3 Nbd7 11.e4 Nc5 12.Ne2 Nh5 13.Ne1 a4 14.a3 c6 15.bc6 Bc6 16.Nc2 b5 17.Nb4 Bd7 18.cb5 Bb5 19.Nc3 Bd7 20.Ncd5 Nf6 21.Nf6 Bf6 22.f4 ef4 23.Bf6 Qf6 24.gf4 Qd4 25.Kh1 Rab8 26.f5 gf5 27.ef5 Kh8 28.Qh5 Rg8 29.Rae1 Rg2! 30.Kg2 Rg8 31.Kh3 Nd3 32.Nd3 Qd3 33.Rf3 Qd2 34.Ref1 Qg2 35.Kh4 Qh2 36.Rh3 Qe5 37.Rhf3 Bc6 38.Rf4 Bg2 39.f6 Qe3 40.R4f3 Bf3 41.Qf3 Qg5 42.Kh3 Qh6 0–1. Zimmerer – Kratochwil, Pforzheim 1991.

7.Bg2 Bb7 8.0–0 Nbd7 9.d3 e5 10.Nbd2 Qe7 11.e3 Nh5 12.Ne1 Bg2 13.Kg2 f5 14.f4 Nhf6 15.Nef3 0–0 16.Qe2 Rae8 17.fe5 de5 18.e4 Ng4 19.ef5 gf5 20.Nh4 Nh6 21.Qf3 e4 0–1. Olsen,Jahn–Ivar (2410) – Farmen,Pal (2830), Tromsoesjakken kl. B (Tromsoe) (1), 2001.

5.g3 b6

6.Bg2 Bb7

7.0–0 0–0 8.d3 Na6 9.Qb3 c5 10.b5 Nc7 11.a4 (11.Nc3 Ne6=) 11...a5 (11...Ne6 12.Nc3=) 12.ba6 (12.Nc3 Ra7=) 12...Ra6 (12...Na6 13.Nc3=) 13.e4 (13.Nc3 Qc8=) 13...Qd7 (13...Bc6 14.Bh3=+) 14.Nc3=+ Rfa8 (14...Bc6 15.Nb5=) 15.Ne1 (15.a5!? Ne6 16.ab6=) 15...Nh5 (15...Ng4 16.Nc2=+) 16.Nc2= Bc6 17.Ra3 (17.Ne3 Be5=) 17...Ba4 (17...Ne6 18.Rfa1=+) 18.Na4= Ra4 19.Qb6 Ra3 (19...Bb2 20.Qb2 Ra3 21.Na3=) 20.Na3 (20.Ba3 Be5+=) 20...Bb2 (20...Ne6 21.Rb1=) 21.Qb2 Na6 (21...e5 22.Rb1=) 22.Nc2 (22.e5 Re8+=) 22...Rb8= 23.Qc3 (23.Qa3 Qc8=) 23...Nb4 (23...Nf6 24.Qa5 Rb2 25.Qc3=) 24.Rb1 Qa4 (24...Qa7 25.Nb4 Qa5 26.d4 cb4 27.Qd2=) 25.Qb3 (25.e5!?+=) 25...Qb3= 26.Rb3 Nf6 27.Bh3 (27.f4 e5=) 27...e6 28.Na3 Ne8 (28...Rb6 29.f4=) 29.Nb5= Ra8 30.Bf1 (30.d4 Ra1 31.Kg2 Kf8=) 30...Nc2 (30...Kg7 31.d4=) 31.Rb2 Nb4 32.Rb3 (32.d4 e5=) 32...Nc2 (32...e5 33.Kg2=) 33.Rb2 Nb4 34.Rb3 ½–½. Masse,Hugues (2145) – Durette,Francis (2025), CAN Ch, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 b6)

7.0–0 0–0 8.d3 c5 9.a3 Nbd7 10.Nc3 Rc8 (10...a6 11.Qd2=) 11.Ra2 (11.Qd2 h6+=) 11...d5 12.Nd5 (12.Nd2 e6=) 12...Nd5= 13.Bg7 Kg7 14.cd5 Bd5 15.Qa1 Kg8 (15...f6 16.Rc2=) 16.Rc2 e6 17.Rfc1 Bb3 18.Rc3 Bd5 19.R3c2 Ra8 (19...Bb3 20.Rd2=) 20.h4 (20.Ne5 Ne5 21.Qe5 cb4 22.ab4 Bg2 23.Kg2 a5+=) 20...a5 (20...Rc8 21.bc5 Rc5 22.Qb2=) 21.b5 (21.bc5!? Nc5 22.Nd2+=) 21...Bb3 22.Rc3 Bd5 23.a4 Qf6 24.Nd2 Rad8 25.Nc4 (25.e4 Ba8+=) 25...Bc4= 26.Rc4 Qa1 27.Ra1 f5 28.d4 (28.f4 Nf6=) 28...cd4+= 29.Rd4 (29.Rc6 e5+=) 29...Nc5–/+ 30.Rad1 Rd4 31.Rd4 Kf7 32.Kf1 (32.e4 fe4 (32...Ne4?! 33.Be4 fe4 34.Rd7 Kf6 35.Rh7=) 33.Be4 e5+=) 32...e5 (32...Ke7 33.Ke1–/+) 33.Bd5 (better is 33.Rd6!? Na4 34.Rd7 Kg8 35.Bd5 Kh8 36.f3+=) 33...Ke7–+ 34.Rc4 Rd8 35.e4 fe4 36.Be4 Rd4 37.Rd4 ed4 38.Bc2 d3 39.Bd1 Kd6 40.f3 (40.h5–+) 40...Ke5 41.Ke1 Kd4 42.Kd2 Nd7 43.f4 (43.g4 Ne5 44.f4 Nc4 45.Ke1 Nd6–+) 43...Nc5 44.Bf3? (44.g4–+) 44...Na4 45.h5 (45.g4 Nb2 46.f5 Nc4 47.Kc1 gf5 48.gf5 Ke5–+) 45...gh5 (better is 45...Nc5 46.g4 gh5 47.f5 hg4 48.Bg4 Ne4 49.Kc1–+) 46.f5 Ke5 47.Kd3 Nc5 48.Kc4 Nd7 (better is 48...Kf5!? 49.Kd4–+) 49.Bh5 Kf5 50.Bd1? (better is 50.Kd4–+) 50...Ke5 51.Bc2 (51.Bf3 Nc5 52.g4 Ne4–+) 51...Nf6 (better is 51...h6 52.Kd3–+) 52.Bd3 (52.Kd3 h6–+) 52...Ne4 53.g4 Nf6 (53...h6 54.Be2–+) 54.g5 (54.Kc3 h6 55.Be2 Kf4–+) 54...Ne4 55.Bc2 (55.Be2 Ng5 56.Kd3 Ne4–+) 55...Ng5 0–1. Schindler,Rudolf (1845) – Lerch,Philipp (2240), Berlin GER, Lichtenberger Sommer, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 b6)

7.0–0 0–0 8.d4 Nbd7 9.d5 a5 10.b5 Rb8 11.Nd4 Nc5 12.Nc3 e5 13.Nc6 Bc6 14.dc6 Ne6 15.Qd2 h5 16.f4 ef4 17.gf4 Ng4 18.Nd5 Bb2 19.Qb2 f5 20.h3 Nf6 21.Rae1 Nc5 22.Kh2 Kh7 23.Qd4 Nfe4 24.Rg1 Rf7 25.Be4 Ne4 26.Rg2 Qh4 27.Reg1 Rg8 28.Qe3 Qd8 29.Qf3 Kh6 30.e3 Rgg7 31.Qf1 Rg8 32.Qa1 Rgg7 ½–½. Mastrovasilis,Athanasios (2355) – Bribos,Evangelos (2050), Thessaloniki Tower op, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6)

7.0–0 Nbd7 8.Nc3 0–0 9.Qc2 c5 10.b5 Re8 11.d3 Qc7 12.a4 Rad8 13.a5 e6 14.e4 d5 15.Nd2 de4 16.Nce4 Ne4 17.ab6 ab6 18.Ne4 Bb2 19.Ra7 Bg7 20.Rb7 Qe5 21.Nd2 Qd6 22.Bc6 f5 23.Nf3 Re7 24.Re1 Ne5 25.Ne5 Rb7 26.Bb7 Be5 27.Qe2 Bc3 28.Qe6 Qe6 29.Re6 Rd3 30.Bd5 Kg7 31.Rb6 Bd4 32.Rb7 Kh6 33.Bg8 Bg7 1–0. Vanderwaeren,Serge (2300) – Beukenhorst,Edo, Huy op, 1993.

7.0–0 e5 8.d3 0–0 9.Nbd2 Nc6 10.a3 Qd7 11.e3 Rae8 12.Qc2 a5 13.b5 Nd8 14.a4 Re7 15.e4 Ne6 16.Nb3 c5 17.Bc3 Ne8 18.Na5 ba5 19.Ba5 f5 20.Bd2 fe4 21.de4 Nf6 22.Rfe1 ½–½. Kiss,Gabor – Schneider,Karl, EU–ch GT288 corr, 1988. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 b6)

5.g3 c6

6.d3 Qb6 7.Qb3 a5 8.b5 a4 9.Qb4 Bd7 10.Na3 0–0 11.Bc3 cb5 12.Nb5 Rc8 13.Rb1 Nd5 14.cd5 Rc3! 15.d4 (15.Nc3 Qb4 Pinning (15...Qb4 Decoy)) 15...Rc2 16.a3? (16.Kd1!? Bf5 17.Nh4–/+) 16...Bb5 17.e3 Na6 18.Qb5 Qb5 19.Bb5 Nc7 20.0–0 Nb5 21.Rb5 Ra2 22.Rb7 Ra3 23.Rfb1 Rc3 24.Rb8 Rc8 25.Rc8 Rc8 26.Ra1 Ra8 27.Ra3 Kf8 28.Nd2 e6 29.de6 fe6 30.Nc4 Ra6 31.Nb2 32.de5 Be5 33.Ra4 Rc6 34.Nd3 Bf6 35.Ra7 Kg8 36.Nf4 Be5 37.Rd7 Bf4 38.gf4 h5 39.Kg2 Kf8 40.Kg3 Ke8 41.Rg7 d5 42.Kh4 d4 43.ed4 Rd6 44.Kg5 Rd4 45.Rg6 Rd2 46.Rh6 Rf2 47.Rh5 Kf7 48.Rh7 Ke6 49.Rh3 (better is 49.Rh6!? Kf7+–) 49...Rg2 50.Rg3 Rh2 51.Kg6 Ke7 52.f5 Ra2? (better is 52...Rf2+–) 53.Kg7 Ra7 (53...Rf2 54.Re3 Kd6 55.f6+–) 54.Re3 (better is 54.f6 Ke6 55.Kg6 Ra1+–) 54...Kd8 55.Kf8 Ra6 56.Re6 Ra5 57.f6 Kd7 58.Re4 Rg5 59.f7 Rg1 60.Rd4 (60.Rd4 Ke6 61.Ke8+–) 1–0. Struessmann,Frank – Schenk,Uwe (2235), Lueneburg distr–ch, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 c6)

6.Bg2 a5

7.a3 ab4 8.ab4 Ra1 9.Ba1 Qb6 10.Qa4 Na6 11.Bc3 Be6 12.d3 0–0 13.0–0 Ra8 14.Nbd2 Nc7 15.Qc2 c5 16.b5 d5 17.e3 Rd8 18.Ra1 dc4 19.dc4 Bf5 20.Qb2 h6 21.e4!+/– Ne4? 22.Ne4+– Be4 23.Bg7 Ne8 24.Bh6 Qf6 25.Qf6 Nf6 26.Bg5 Kg7 27.Re1 (27.Re1 Bf3 28.Bf3+–) 1–0. Gomez Feria,Jose Maria – Laguna Hidalgo,JE, Seville op, 1992.

7.b5= cb5 8.cb5 Qb6 9.a4 Ne4 10.d4+= 0–0 11.0–0 Nd7 12.e3 f5 13.Qb3+= Kh8 14.Na3 Qd8 15.Rac1 Nb6 16.Rfd1 e6 17.Nc4 Bd7 18.Ba3 Nc4 19.Rc4 Qb6 20.Nd2 Nd2 21.Rd2 Rfc8 22.Rdc2+/– Bf6 23.R2c3 Rc4 24.Qc4+/– Rc8? 25.Qc8+– Bc8 26.Rc8 Kg7 27.Bc5! dc5 28.dc5 Qd8 29.Rd8 Bd8 30.Bb7 Be7 31.c6 Bd8 32.f3 Kf6 33.Kf2 Ke5 34.Ke2 Kd6 35.Bc8 e5 36.f4 ef4 37.ef4 Kc5? 38.Bd7 Kb4 39.h3 Bb6 40.g4 h6 41.gf5 gf5 42.Kd3 Bc7 43.Bf5 Kc5 44.Ke4 Kd6 45.Bd7 Ke7 46.Kf5 Kf7 47.Be6 Ke7 48.Bc4 Kd6 49.Kg6 Kc5 50.f5 Kc4 51.f6 Kb4 52.f7 Bd6 53.c7 Bc7 54.f8Q Ka4 55.Qc8 1–0. Sufiev,R (2160) – Yaschenko,Y (2075), 60th ch–RUS sf Urals, Nizhnij Tagil RUS, 2007.

6.Bg2 Qb6

7.Qb3 a5 8.b5 a4 9.Qc3 cb5 10.cb5 0–0 11.Na3 Nbd7 12.0–0 Nc5 13.d3. Santos,Luis MCP – Lapienis,Donatas, corr ICCF, 1989.

7.Qb3 Na6 8.a3 0–0 9.0–0 Be6 10.Qc2 Bf5 11.d3 e5 12.Nc3 Rac8 13.Rad1 Qc7 14.e4 Bg4 15.h3 Bf3 16.Bf3 Qe7 17.Qd2 Nc7 18.Ne2 Rfe8 19.Kh2 Qf8 (19...d5!?=) 20.Bg2+= Nh5 21.d4 Rcd8 22.Qc2 Ne6 (22...ed4 23.Nd4 Qe7 24.Rfe1+=) 23.d5+/– cd5 24.cd5 Rc8 25.Qa4 Nd8 26.Rc1 (26.Qa7 Rc2–/+) 26...Rc1 27.Rc1 a6 28.b5 ab5 29.Qb5 f5 30.ef5 gf5 31.Rc8 Bf6 32.Bc1 Qe7 33.Qc4 Qf7 34.Bd2 Ng7 35.Bb4 (35.Qb5!?+/–) 35...Nc6+= 36.Re8 Ne8 37.Bc3 e4 38.Nf4 Bc3 39.Qc3 Ne7 40.Bf1 Nf6 41.Qb3 Ng6 42.Ne6 Ne5 43.Be2 Qe7 44.f4 Ng6 45.Bc4 h5 46.Qd1 Nf8 47.Nd4 Qh7 48.Nb5 h4 49.Qg1 (worse is 49.Nd6 Qc7 50.Nf5 Qc4 51.Nh4 Qd3 (51...Nd5?! 52.Qg4 Kf7 53.Qh5 Ke7 54.Qe5 Kd7 55.Qg7 Ke8 56.Qb7=; 51...Qd5?! 52.Qd5 Nd5 53.Nf5–/+) 52.Qd3 ed3–/+) 49...hg3 50.Qg3+/– Qg6 51.Nd6+– Qg3 52.Kg3 Nh5 53.Kh2 Nf4 54.Nf5 Nd7 55.d6 Kf8 56.Kg3 Ng6 57.Bd5 Nc5 58.h4 b6 59.h5 Ne5 60.Kf4 Ned7 61.Be4 Nf6 62.Bf3 Ne6 63.Ke5 Kf7 64.Nh6 (64.Nh6 Kf8 65.Ke6+–) 1–0. Holzmann,Herbert (2115) – Pruell,Lukas (1960), Feldkirch AUT, Men Ch, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 c6)

5.g3 e5

6.d3 0–0 7.e4 (7.Bg2 Be6=) 7...Nfd7 8.Bg2 a5 9.b5 Nc5 10.a4 f5 11.Qc2 (11.Nc3 Be6=+) 11...Be6 12.0–0 (12.Nfd2 Nbd7=+) 12...Nbd7 13.Nfd2 f4 (better 13...fe4 14.Ne4 Ne4 15.Be4 Nc5=+) 14.f3? (better 14.Nf3=) 14...fg3–+ 15.hg3 Qg5 16.Kh2 (16.Nc3 Qg3 17.Ne2 Qh4–+) 16...Qh6 17.Kg1 Qe3 18.Kh2 Qd3 19.Qd1 Qe3 20.Ra3 Qh6 21.Kg1 Qg5 22.Qe1 (22.Kh2 Qh5 23.Kg1 Nb6–+) 22...Nb6 23.Bc1 Qe7 (23...Nba4 24.Nb3 Qf6 25.Nc5 Nc5 26.Qc3–+) 24.Qe2 (24.Nc3 Nc4 25.Nc4 Bc4–+) 24...Nba4 (24...Qf7 25.Re1–+) 25.Nb3 (25.Kh2 Qf6–+) 25...Nb3 (25...Qf7 26.N1d2–+) 26.Rb3 Nc5 27.Rc3 Bd7 (27...h5 28.Rd1–+) 28.Be3 Ne6 29.Qa2 Nc5 (29...Nd4 30.Rd3–+) 30.Ra3?? (30.Qe2 h5 31.Bf2–+) 30...Be6–+ 31.Rc1 b6 32.Nc3 Rf7 33.Nd5 Qf8 34.Qd2 Qc8 35.Kh2 Qb7 36.Rb1 Rb8 37.Rb2 Nd7 38.Rab3 Bf6 39.f4? (better 39.Ra2–+) 39...Bd5 40.ed5 ef4 41.gf4 Bb2 42.Rb2 Re8 43.Bd4 Nc5 (43...Qb8 44.Bh3 Qd8 45.Qf2–+) 44.Rb1 (44.Bc5 bc5 45.Bh3 Rf6–+) 44...Qb8 (44...Qc8 45.Bh3 Qd8 46.Bc5 dc5 47.Qf2–+) 45.Ba1 (45.Bc5 dc5 46.d6 Qd8–+) 45...Ree7 (better 45...Qd8 46.Qc3 Qh4 47.Kg1–+) 46.Qd4 Rg7 47.Rf1 (47.Qf2–+) 47...Nb3 48.Qc3 Na1 49.Qa1 Re2 50.Kg1 (50.Kg3 Qe8 51.Bf3 Qe3–+) 50...Qe8 51.Kh1 Qe7 (51...Qe7 52.Qc3 Qh4 53.Qh3 Qh3 54.Bh3 Re4–+) 0–1. Boudelet,Georges – Gobert,Jos, Belgian championship, 1955. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 d6 5.g3 e5)

6.d3 a5 7.b5 Nbd7 8.Bg2 c6 9.Nc3 0–0 10.Nd2 Qc7 11.Ba3 c5 12.0–0 Rb8 13.Bc1 Re8 14.e4 Nf8 15.Nd5 Nd5 16.cd5 Nd7 17.Nc4 f5 18.Bd2 b6 19.Bc3 Nf6 20.Qb3 Kh8 21.Rae1 Bd7 22.a4 Nh5 (22...Rbd8!?+=) 23.f4+/– ef4 24.gf4 fe4 25.Bg7 Kg7 26.de4 Rf8 27.Qe3 Rbe8 28.e5 de5 29.fe5 Kg8 (better is 29...Bf5+–) 30.e6 Nf4 (30...Rf1 31.Rf1 Ng7+–) 31.d6 Ng2 (31...Qb8 32.Rf4 Be6 33.Rf8 Kf8+–) 32.Rf8 Rf8 1–0. Storey,Ch (2240) – Doran,C (1965), Scarborough ENG, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 e5)

6.d3 c6 7.Bg2 Nbd7 8.Nbd2 0–0 9.0–0 Qc7 10.a4 b6 11.b5 Bb7 12.Nb3 a5 13.bc6 Bc6 14.Qc2 Rfe8 15.Rfb1 Rab8 16.Bc3 Nc5 17.Nc5 bc5 18.Ne1 Rb1 19.Rb1 e4 20.Qb2 Nh5 21.Bg7 Ng7 22.Qb3 Nf5 23.e3 ed3 24.Bc6 Qc6 25.Nd3 Qe4 26.Nf4 Qf3 27.Qb7 Qb7 28.Rb7 Re7 29.Rb8 Kg7 30.Nd5 Re4 31.Nb6 Kf6 (31...Ne7 32.Rd8+=) 32.Kf1 Ke6 33.Re8 Ne7 34.f3 Re3? (better is 34...Re5!?+/–) 35.Re7!+– (35.Re7 Ke7 36.Nd5 Ke6 37.Ne3+–) 1–0. Fleischer,Eugen (1965) – Mazzoni,Renzo, Zuerich Seniors op 4th, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 d6 4.Bb2 Bg7 5.g3 e5)

6.d3 Bg4 7.Bg2 0–0 8.0–0 e4 9.de4 Ne4 10.Bg7 Kg7 11.Nd4 c5 12.Be4 cd4 13.Qd4 f6 14.Bb7 Bh3 15.Ba8 Bf1 16.Kf1 Nd7 17.Be4 Ne5 18.Qa7 Rf7 19.Qd4 Qc8 20.Nd2 Qh3 21.Kg1 Ng4 22.Nf3 Kh6 23.Qd6 f5 24.Bd5 Rf6 25.Qe7 f4 26.Qh7 Kh7 27.Ng5 Kh6 28.Nh3 fg3 29.hg3 g5 30.Bf3 Ne5 31.c5 g4 32.Nf4 gf3 33.ef3 Nf3 34.Kg2 Nd4 35.Rh1 Kg5 36.Rh5 Kg4 37.Rh4 Kg5 38.Nh3 Kg6 39.Rd4 1–0. fiat1500 (1620) – karoo54, kurnik, 2012.

6.Bg2 a5 7.b5 Nbd7 8.e3 e4+= 9.Ng5 Nc5 10.0–0 Qe7 (10...d5 11.Bd4 h6 12.Nf7 Kf7 13.Bc5 dc4 14.Bd4+=) 11.Bd4 (better is 11.f3!? ef3 12.Qf3= (12.Bf3? h6–+; worse is 12.Rf3 Bg4–/+)) 11...h6–/+ 12.Nh3 Bg4 13.Qc2 g5 14.Nc3 Qd7 15.f3? (15.Nd5 A) 15...Bh3 16.Bf6 (worse is 16.Nf6 Bf6 17.Bh3 Qh3 18.Bf6 Rg8+=) 16...Bg2 17.Bg7+/–; B) 15...Nd5 16.Bg7 Rg8–/+) 15...Bh3 (better is 15...ef3!? 16.Bf3 Bh3 17.Bc5 Bf1 18.Bb7 0–0 (18...Bc4?! 19.Ba8 Bb5 20.Bd6+=) 19.Ba8 Ra8 20.Rf1 dc5–+) 16.fe4–/+ Bg2 17.Rf6? Bh3 18.Nd5 Be6 19.Re6?? fe6–+ 20.Nf6 Bf6 21.Bf6 Rf8 22.Rf1 e5 23.d4 0–1. Twardowski,Lukasz (2240) – Bialy,Rafal (2095), Poland–ch U20 op, 1994.

6.Bg2 Nc6 7.b5 Ne7 8.Nc3 0–0 9.0–0 Nh5 10.d4+= Be6 11.de5 de5 12.Qb3 Qc8 13.Ng5 Bd7 14.Ba3+/– h6 15.Be7 Re8 16.Qb4 hg5 17.Bg5 f6 18.Be3+– f5 19.Rad1 f4 20.Bc1 Bh3 21.c5 Bg2 22.Kg2 Qf5 23.Qe4 Qg4? 24.f3 Qg5 25.Qd5 Kh7 26.Ne4 Qh6 27.g4 Nf6 28.g5 (28.g5 Nd5 29.gh6+–; 28.Qb7?! Ne4 29.Qe4 a6+–) 1–0. Smyslov,Vassily – Kchouk, Siegen, 1970.

6.Bg2 Nh5 7.e4 Nc6 8.b5 Ne7 9.0–0 Be6 10.d3 h6 11.h3 0–0 12.Kh2 a6 13.a4 Kh7 14.Nc3 c6 15.Qe2 Qc7 16.Rfc1 Rae8 17.Nd5 Bd5 (worse is 17...Nd5 18.cd5 Bd7 19.d4+/–) 18.cd5 c5 19.ba6 ba6 20.Nd2 f5 21.Nc4 Rf7 22.Rf1 Ref8 23.Bc3 f4 24.Bf3 fg3 25.fg3 Nf6 26.Rab1 h5 27.Kg2 Bh6 28.Qb2 (28.Rb6 Nc8 29.Ra6 h4+/–) 28...Ne8? (28...Nc8 29.Qc2+=) 29.Be2 (better is 29.Qb6!? Qd7 30.Qa6+–) 29...Rf1 30.Rf1 Rf1 31.Bf1 h4 32.gh4 g5 (32...Qd7!?+/–) 33.h5 g4 (better is 33...Qd7!?+–) 34.hg4 Nf6 35.Be2 Qd7 36.Nb6 Qe8 37.Kh3 Qg8 38.Bf3 (38.Nc4 Ned5 39.ed5 Qd5+–) 38...Qg5 (38...Qf7 39.Qf2 Qg7+–) 39.Nc4 Qf4 40.Qg2 Qc1 41.Bd2 Bd2 42.Qd2 (42.Nd2?! Qc2 43.Nc4 Qd3 44.Nd6 Qa3+–) 42...Qd2 43.Nd2 Kh6 44.Kh4 Nh7 45.Be2 Ng5 46.Nf3 Nf3 47.Bf3 a5 48.g5 Kg7 49.Bg4 Kh7 50.Be6 Kg7 51.Kg4 Kh7 52.Kf3 1–0. Vokac,Marek (2480) – Englmeier,Heinz (2185), Oberliga Wuert, 1997. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.g3 e5)

6.d3 Nc6

7.b5 Ne7 8.Bg2 0–0 9.0–0 Ne8 10.Qb3 h6 11.Nc3 Kh7 12.Rad1 f5 13.e3 Be6 14.Qc2 Qd7 15.Nd2 c6 16.bc6 bc6 17.Ne2 Rb8 18.d4 e4 19.Ba3 Nf6 20.Rb1 Bf7 21.Nb3 g5 22.Nd2 Bg6 23.Rb3 Rb3 24.Qb3 Rf7 25.Rb1 Nc8 26.Qc2 Qe6 27.Rb3 d5 28.c5 Ne7 29.Rb7 Bh5 30.Nf1 Ng6 31.Rf7 Qf7 32.Bc1 Qb7 33.Nc3 Qa6 34.Bh3 Ne7 35.Nd2 Bg6 36.Bf1 Qc8 37.Ne2 Nh5 38.Bh3 Qa6 39.Nb3 f4 40.g4 Nf6 41.ef4 e3 42.f5 ef2 43.Kf2 Ne4 44.Ke1 Bf7 45.Ng3 Ng3 46.hg3 Ng8 47.Bf1 Qb7 48.f6 Bg6 49.Bd3 Bd3 50.Qd3 Kh8 51.fg7 Qg7 52.Qf5 Qb7 53.Bd2 Kg7 54.Ba5 Nf6 55.Nd2 Ne4 56.Bd8 Qb4 57.Qd7 Kg8 58.Qe8 Kg7 59.Qe7 Kg8 60.Qe6 Kg7 ½–½. Broomes – Belkadi, Buenos Aires 1978.

7.b5 Ne7 8.Bg2 h5 9.Nc3 Nf5 10.h3 0–0 11.0–0 Nh7 12.e4 Nh6 13.d4 ed4 14.Nd4 Ng5 15.Kh2 (15.h4!? Nh3 16.Kh1+=) 15...Bh3=+ 16.Bh3 Bd4 17.f4 Bc3 18.Bc3 Ne4 19.Bb2 f5 20.Qd5 Kh7 21.Qb7 Rf7 22.Rae1 Rb8 23.Qc6 Rb6 24.Qd5 c6 25.Qd4 c5 26.Qd3 d5 27.cd5 Rd6 28.Rd1 Rfd7 29.Qa3 Qe7 30.Rfe1 Rd5 31.Rd5 Rd5 32.Qc3 Rd8 33.Bg2 Ng4 34.Kg1 Rg8 35.Be4 fe4 36.Qc2 e3 37.a4 Rc8 38.Qc4 Rd8 39.a5 Rd2 40.Qc3=+ Rd8 41.b6 ab6 42.ab6 Kh6 43.Qa3? h4–+ 44.Qa7 Qf8 45.Qc7–+ h3 46.Bc3 Qg8 47.f5?? h2 48.Kg2 Qd5 49.Kh3 h1Q (49...h1Q 50.Rh1 Nf2 51.Kh2 Qh1#) 0–1. Khudiakov,Igor (2410) – Borocz,Istvan (2335), Harkany Tenkes Cup, 1993.

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  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
  • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
  • 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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