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TESTF460 Release 2017-10-07
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(c) Marek Trokenheim

1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0–0

(...)

7.Nf3 Bc5 8.d4= Bb4 9.c3 Bd6 10.0–0 Bf5 (10...Be6 11.Nbd2=) 11.Ba3 (11.c4 dc4 12.Bc4 Rc8=) 11...Ne4 12.Qc1 Re8 13.Nbd2 Rc8 14.Qb2 Na5 15.Rac1 Qe7 16.Bb4 b6 17.Ba6 (17.Ne4 Be4 18.Nd2 Bf5=) 17...Rb8+= 18.Bd6 Nd6 19.Be2 f6 20.Rfe1 Qf7 21.Qb4 Nc6 (21...Nac4 22.Nc4 Nc4 23.Bc4 dc4 24.Nd2=) 22.Qa3= a5 23.c4 Nb4 24.Qb3 dc4 25.Nc4 Be6 (25...Re7 26.Nfd2 Rd8 27.a3+/–) 26.a3+= Nd5 (26...Nc4 27.Bc4 Bc4 28.Qc4 Qc4 29.Rc4+=) 27.Nd6+/– cd6 28.Qb2 (28.Bb5 Rec8 29.e4 Nc7+/–) 28...Qb7 (28...Qg6 29.Qb5 Qf7 30.Bc4+=) 29.Bb5+/– Rec8 30.e4 Nf4 31.Qd2 Rc1 32.Qc1 Ng6 (32...g5 33.d5 Bg4 34.Nd4+/–) 33.d5+/– Bd7 34.Bc6 Qc8 35.Nd4 Ne5 36.Qc3 b5 37.Rb1 Bc6 (better is 37...Kf7!?+/–) 38.dc6+– (38.Nc6?! Kf8+=) 38...b4? (better is 38...Qc7+–) 39.ab4 ab4 40.Rb4 Ra8 (40...Rb4 41.Qb4 Kf7 42.Qd6+–) 41.h3 h5 (41...g6 42.c7 Kf8 43.Rb6+–) 42.c7 Kh7 43.Nb5 (better is 43.Rb6 Nf7 44.Nf5+–) 43...Ra6 (43...Qa6+–) 44.Nd6! Rd6 45.Rb8 Rd1 (45...Rd8 46.Rc8 Rc8 47.Qc5+–) 46.Kh2 Rd3 47.Qe5 (better is 47.Qc5 Qg4 48.Qe5 (48.hg4?? Ng4 49.Kg1 Rd1) 48...fe5 49.hg4+–) 47...fe5 48.Rc8 Rc3 49.Re8 (better is 49.f4!? Kg6 50.fe5 Kf7+–) 49...Rc7 50.Re5 g6 (50...Kg6 51.Kg3+–) 51.g4 (better is 51.f4+–) 51...Rc2? (51...h4+–) 52.Kg3 hg4 53.hg4 Kh6 (53...Rc3 54.Kh4 Rf3 55.Re7 Kg8 56.Kg5 Rf2 57.Ra7+–) 54.f4 Rc1 (54...Rc3 55.Kh4 Rc1 56.Re6 Rh1 57.Kg3 Rg1 58.Kf3 Rf1 59.Ke3+–) 55.Re6 Rg1 56.Kf3 Rf1 57.Ke3 Rg1 (57...Kg7+–) 58.f5 1–0. Smolen,J (2380) – Pagerka,M (2220), SVK, Extraliga, 2014.

7.Nf3 d4 8.Nd4+= Nd4 9.Bd4 c5 10.Bb2 Ne4 (10...Bf5 11.0–0+=) 11.0–0 Bd2?? (better is 11...Be6+=) 12.Bf3 1–0. Neumann,Frank (1650) – Rheindt,Stefan (2015), RSX16D, 2007.

7.Nf3 Nd7 8.0–0 Nb6 9.a3 Bd7?? 10.ab4+– Nb4 11.d3 Re8 12.Qd2 a5 13.Bc3 Nc6 14.Ba5 Bg4 15.Bc3 Qd6 16.h3 Bf3 17.Bf3 Na4 18.d4 b5 19.Qe2 b4 20.Qb5 Nb6 21.Bb2 Ra1 22.Ba1 Ra8 23.Nd2 Ra5 24.Qd3 Ra3 25.Nb3 Na5 26.e4 de4 27.Be4 g6 28.d5 c5 29.dc6 Qd3 30.Bd3 (30.Bd3 Nc6 31.Rd1+–; 30.cd3?! Nb3 31.Bf6 Nd2+–) 1–0. Perlitz,Heiko – Wrede,Christian, TT–11 ETC, 2003.

7.g4?? d4 8.g5 (8.a3!?) 8...Ne4 9.h4?–+ (9.Nf3–/+ de3 10.fe3 Bh3) 9...de3 10.fe3 (10.Nh3 Bh3–+) 10...Qd6 11.Bf3?? (Better is 11.Kf1 Ng3) 11...Qg3 12.Ke2 Qf2 13.Kd3 Nc5 14.Kc4 Be6 15.Bd5 Bd5 16.Kd5 Qf5 17.Kc4 Qe6 18.Kb5 a6# 0–1. Hyperboleweevil – workuta, ICC, 2003.

7.Nf3 Na5

8.0–0 Bg4 9.Ne5 Be2 10.Qe2 Bd6 11.f4 Re8 12.Qf3 c5 13.a3 Qb6 14.Ra2 Bc7 15.Bc3 Rad8 16.Rb2 Qa6 17.a4 Ne4 18.d3 Nc3 19.Nc3 d4 20.Nd5 Bb8 21.e4 Nc6 22.Qh5 Be5 23.fe5 Rf8 24.Qf5 Rc8 25.Rf3 g6 26.Nf6 Kg7 27.Nh5 Kh6 28.Qf4 g5 29.Qf6 Kh5 30.Rh3 Kg4 31.Qf5 1–0. Fritz 8 (No MMX) – EXchess 3.11, 2004.

8.0–0 Bg4 9.Ne5 Be2 10.Qe2 Bd6 11.f4 Re8 12.Qf3 c5 13.Na3 Ne4 14.Qh5 Be5 15.fe5 Nd2 16.e6 f6 17.Rf6 d4 18.Rf2 Ne4 19.Rf4 Qb6 20.Qf7 Kh8 21.Raf1 Rg8 22.Re4 Qb2 23.e7 Qa3 24.e8Q Rae8 25.Re8 Qe3 26.Re3 de3 27.Qe6 1–0. Fritz 8 (No MMX) – EXchess 3.11, 2004.

7.Nf3 b6

8.0–0 a5 9.a3 Be7 10.d4 Bb7 11.c4 dc4 12.Bc4 Ne4 13.d5 Bf6?? 14.dc6 Qd1 15.Rd1 Bb2 16.cb7 Rad8 17.Rd8 Rd8 18.Ra2 Rd1 19.Bf1 Rd8 20.Rb2 1–0. Grehl – G Zimmer, corr SOK–89–29.

8.0–0 Bb7 9.d3 Qe7 10.Nbd2 Rad8 11.Rb1 Rfe8 12.Nh4 Qe6 13.Ndf3 h6 14.g3 Bf8 15.Ng2 Bd6 16.Re1 Qe7 17.Nfh4 Bc8 18.f4 Bb4 19.Rf1 Bc5 20.d4 Bd6 21.c4 Na5 22.cd5 Nd5 23.e4 Qe4 24.Bf3 Ne3 25.Ne3 Qe3 26.Kh1 Ba6 27.Rg1 Be2 28.Be2 Qe2 29.Qa4 Qc4 30.Qd1 Re2 31.Ng2 Rde8 32.f5 Qa2 33.Qc1 Qd5 34.f6 Nc4 35.fg7 Ne3 (36.Qf1 Nf1 37.Rbf1 Rb2–+) 0–1. Teichmann,Erik (2365) – Yadao,Israel, Gold Coast Parkroyal op, 2000.

8.0–0 Bb7 9.d4 Ne4 10.a3 Bd6 11.c4 Ne7 12.Nc3 Nc3 13.Bc3 c6 14.Qc2 Ng6 15.c5 Bc7 16.g3 Bc8 17.cb6 ab6 18.Bb4 Re8 19.Qc6 Bg4 20.Rac1 Ra7 21.Kg2 Re6 22.Qb5 h5 23.Ng1 Bd6 24.Bg4 hg4 25.Rc6 Bb4 26.Re6 fe6 27.ab4 Ra2 28.Ne2 e5 29.Nc3 Rd2 30.Qd5 Qd5 31.Nd5 ed4 32.ed4 Rd4 33.Nb6 Rb4 34.Nd5 Rd4 35.Ne3 Ne5 36.Rd1 Ra4 37.Rd5 Nf7 38.Rc5 Nh6 39.Rc4 Rc4 40.Nc4 Kf7 41.h3 Ke6 42.Ne3 gh3 43.Kh3 g5 44.f3 Kf7 45.Kg2 Ke6 46.Kf2 Ke5 47.Ke2 Kd4 48.g4 Ke5 49.Kf2 Ng8 50.Nf5 Kf4 51.Nd4 Ke5 1–0. Arno de Visser – Levendig, 1981.

8.0–0 Be6 9.Bb5 Na5 10.a3 Bd6 11.d3 a6 12.Ba4 b5 13.Bb3 c5 14.Ba2 h6 15.Nbd2 Nh7 (15...Nc6 16.Rb1=+) 16.Qc1 (Better is 16.e4=) 16...Bg4 (Better is 16...Ng5=+) 17.Bd5+/– Bf3 18.Bf3 Rb8 19.Rd1 Ng5 20.Be2 Nc6 21.c4 Ne7 22.Qc3 f6 23.cb5 ab5+/– 24.f4 Nf7 25.Ne4 Nd5 26.Qc1 Qb6 27.g4 Rbc8 28.g5 fg5= 29.fg5 Ng5 30.Ng5 hg5 31.Bh5?? Bh2–+ 32.Kh2 Qh6 33.Qd2 Qh5 34.Kg1 Rf3 (35.Be5 Ne3–+; 34...Qg4 35.Kh1 Qh3 36.Qh2 Qh2 37.Kh2 Rf2 38.Kg1 Rb2 39.Rab1–+) 0–1. Van Esbroeck,Dirk – Wermann,M, corr ICCF WT–II–796, 1991.

7.Nf3 Be7

8.0–0 Ne4 9.c4 dc4 10.Bc4 Nd6 11.Bb3 Bg4 12.d4 Re8 13.Nbd2 Qd7 14.Qc2 =.

8.0–0 Ne4 9.c4 Be6 10.cd5 (10.d3 Nc5 (10...Nf6 11.Nbd2 Re8 12.Qb3 dc4 13.dc4 Rb8 14.Rad1=) 11.d4 Ne4 12.Nbd2 Nd2 13.Nd2 dc4 14.Bc4=) 10...Qd5 (10...Bd5 11.Nc3 Nc3 12.dc3 Bd6 13.Qa4 Qe8 14.Rfd1=) 11.Nc3 (11.Qc1 Rad8 12.Nc3 Qf5 13.Ne4 Qe4 14.Bb5=) 11...Nc3 12.Bc3 f5 (12...Rab8 13.Qc2 Rfd8 14.Rfd1=) 13.Qa4 (13.Qc2 Rab8 14.Rfb1=) 13...Kh8 (13...a6 14.Qc2=) 14.Rfc1 (14.Rfb1=) 14...Bd7 15.Qc2 Bf6 (15...Rab8 16.a3+=) 16.d4 Rae8 17.Rab1 a6 18.Nd2 (18.Rb7?! Nd4 19.Bd4 Qb7 20.Qc7 Qc7 21.Rc7 Bb5 22.Bf6 Rf6 23.Bb5 ab5=+) 18...f4 19.Bf3 (19.Rb7 fe3 20.fe3 Nd4–+) 19...Qf7 20.Nf1 fe3 21.fe3 (< 21.Ne3 Bd4 22.Rb7 Bc3 23.Qc3 Ne5 24.Rc7 Nf3 25.gf3 Qf3 26.Rd7 Qf2 27.Kh1 Qf3 28.Kg1 Rf6–/+) 21...Bg5 22.Rb7 Re3 23.Rd1 (better is 23.Ne3 Be3 24.Kh1 Bc1 25.Qc1=+) 23...Rf3–+ 24.gf3 Qf3 25.d5 Bh3 26.Bg7 Kg7 27.Rc7 Ne7 28.Qc3 Kg8 29.Qf3=+ Rf3 30.d6 Nd5! 31.d7?? Nc7 32.d8Q Bd8 33.Rd8 Kg7 34.Ng3 Ne6 35.Rd7 Kg6 36.Rd6 Kf7 37.Ra6 Nd4 38.Ra7 Ke6 39.Ra6? Kd5–+ 40.Ra5 Kc4 41.Ra4 Kc5 42.Ra5 Kb4 43.Re5 Rg3! 44.hg3 Nf3 (44...Nf3 45.Kf2 Ne5–+) 0–1. Brinkmann,Wilhelm – Jochens,Arne, Oberliga Nord N, 2000.

8.0–0 Ne4 9.d3 Bf6 10.c3 Nd6 11.Nbd2 a5 (11...Qd7 12.Qb3 Qf5 13.Rab1=) 12.Rb1 (12.Qc2 Bf5=) 12...a4 (12...Re8 13.Qc2=) 13.Qc2 Bf5 (13...a3 14.Bc1=) 14.Ba3+= b6 (14...Re8 15.Bd6 Qd6 16.Rb7+=) 15.c4 (15.Nd4 Nd4 16.cd4 Re8+=) 15...dc4 16.Nc4 Na5 (16...Ne7!? 17.Bd6 cd6+/–) 17.Bd6 cd6 18.Nb6 Rb8 (18...Ra6 19.Nd5+/–) 19.Nd5+– Rb1 20.Rb1 Bd7 (20...Be6 21.Nf6 Qf6 22.Nd4+–) 21.Nf6 gf6 (21...Qf6 22.Qc7 Qd8 23.Qd6+–) 22.Nd2 Qc8 23.Qb2 Nc6? (23...Bc6+–) 24.Ne4 (24.Ne4 Be6 25.Nf6 Kh8 26.Nd7 Kg8 27.Nf8 Qf8 28.Qa3+–; < 24.Qf6 Be6+–) 1–0. pierre – bigrudy, ChessHere.com, 2005.

8.0–0 Bf5 9.c4 dc4 10.Bc4 Nb4 11.Nd4 Bd3 12.Bd3 Nd3 13.Qb3 Nb2 14.Qb2 c5 15.Nf3 b6 16.d4 cd4 17.Nd4 Rc8 18.Nd2 Bc5 19.N2b3 Qe7 20.Rfd1 Ba3 21.Qe2 Ne4 22.Nb5 Nc3 23.Nc3 Rc3 24.Rd3 Rd3 25.Qd3 Rd8 26.Qe2 g6 27.Rd1 Qc7 28.Rd8 Qd8 29.g3 Bf8 30.Nd4 Bg7 31.Qc4 Qd7 32.a4 h5 33.h4 Bd4 34.Qd4 (better is 34.ed4 Qg4 35.Kg2=) 34...Qd4–+ 35.ed4 Kf8 36.Kf1 Ke7 37.Ke2 Kd6 38.Kd3 Kd5 39.f3 (39.Kc3–+) 39...f5 40.Kc3 a6 41.Kd3 b5 42.a5 b4 43.f4 b3 44.Kc3 b2! 45.Kb2 Kd4 46.Kb3 Kc5 47.Ka4 (47.Kc3 Kb5 48.Kd4 Ka5–+) 47...Kc4 48.Ka3 Kb5 49.Kb3 Ka5 50.Kc4 Kb6 51.Kd5 a5 52.Ke6 a4 53.Kf6 a3 54.Kg6 a2 55.Kf5 (55.Kh5 a1Q 56.Kg6 Qe1–+) 55...a1Q 0–1. Purczynski,Andrzej – Jarmuzek,Karolina (1765), 23rd Poznan Open, 2015.

8.0–0 h6 9.d4 Be6 10.Nbd2 Na5 11.Nb3 Nc4 12.Bc4 dc4 13.Nc5 Bd5 14.c3 (14.Re1!?=+) 14...a5 15.Qc2 (15.Qe2 Re8–/+) 15...b6 (15...Bc5 16.dc5 Bf3 17.gf3–+) 16.Na4 (16.e4 Bc6 17.e5 Bf3 18.ef6 Bf6–/+ (18...Bc5?! 19.dc5 Bc6 20.fg7=)) 16...Bd6 (16...b5 17.Nc5 Bc5 18.dc5 Bf3 19.gf3–+) 17.Ne5 (17.Nd2 Qe8–/+) 17...Qe7–+ 18.f4 b5 19.Nc5 Bc5 20.dc5 Qc5 21.Qc1 Rad8 (better is 21...c6!?–+) 22.Ba3=+ b4 23.cb4 ab4 24.Bb4?? (better is 24.Nd3! Qb6 25.Nb4–/+) 24...Qb4–+ 25.Rb1 Qa4 26.a3 Qa7 0–1. Del Val,Josefa – Riesen,Markus (2045), Bern op, 2004.

7.Nf3 a6

8.0–0 b5 9.d3 Be6 10.Nbd2 Nd7 11.Nb3 a5 12.Nbd4 Na7 13.Ne6 fe6 14.Ne5 Ne5 15.Be5 Bd6 16.Bd6 Qd6 17.c4 b4 18.d4 c6 19.cd5 cd5 20.Qd2 Rac8 21.Rfc1 Qb8 22.Ba6 Rc1 23.Rc1 Qb6 24.Qd3 Rb8 25.g3 Nb5 26.Bb5 Qb5 27.Qb5 Rb5 28.Rc8 Kf7 29.Rc7 Kf6 30.Ra7 h5 31.Kg2 g5 32.h3 g4 33.hg4 hg4 34.Ra8 Kf5 35.Rf8 Kg5 36.Rg8 ½–½. Chris – hal1958, playchess.de, 2002.

8.0–0 Re8 (--> 7.Nf3 Re8 8.0–0 a6).

8.0–0 Bg4 9.d3 Qd7 10.Nbd2 (10.Bf6 gf6 11.c3 Bd6+=) 10...Rae8 (10...Qe7 11.Rb1=) 11.h3 (11.Bf6!? gf6 12.Rb1+=) 11...Bf3= 12.Nf3 h6 (12...Qe6!?=) 13.Bf6+/– gf6 14.d4 Qf5 (14...Kh8 15.Bd3+/–) 15.Bd3 Qh5 16.Rb1 b5 (16...Rb8!?+/–) 17.a4!+– Na7?? (17...ba4 18.Ba6 Pinning (18.Ba6 Deflection)) 18.Rb4. Janek – Murad, internet free game, 2017.

8.c4 dc4 9.Bc4 Bd6 10.0–0 b5 11.Be2 Bf5 12.d3 Qe7 13.Nbd2 Rfe8 14.Re1 Rad8 15.a4 b4 16.e4 Bg6 17.Qc2 Ne5 18.Nc4 b3 19.Qb3 Rb8 20.Qc2 Nc4 21.Bf6 Qf6 22.Qc4 Bh5 23.Qd4 Qh6 24.e5 Bb4 25.Rec1 c5 26.Qh4 Ba3 27.Rd1 Rb4 28.d4 Bb2 29.Rab1 Bg6 30.Qh6 gh6 31.Bd3 cd4 32.Ne1 Rbb8 33.Kf1 Kg7 34.f4 Bc3 35.h3 Rb1 36.Bb1 Bb1 37.Rb1 Be1 38.Re1 Rc8 39.Re4 Rc4 40.a5 Ra4 41.Ke2 h5 42.Kd3 Ra5 43.Rd4 Ra2 44.Rd7 Rg2 45.Ra7 Kf8 46.Ra6 Rg3 ½–½. Kappel,Ray – Korinek,Jaroslav (1855), ZI–2010–0–00721, 2010.

8.0–0 Bd6

9.c4 dc4 10.Bc4 b5 11.Bb3 Nb4 12.d4 Bf5 13.Nc3 Nd3 14.Qd2 Nb2 15.Qb2 Rc8 16.Nd5 Nd5 17.Bd5 Bh2 18.Kh2 Qd5 19.Rac1 c5 20.dc5 Be4 21.Ne1 Rc5 22.Rc5 Qc5 23.f3 Bg6 24.e4 f5 25.Nd3 Qd6 26.Ne5 fe4 27.f4 Bf5 0–1. phildo (1830) – shedhead (2165), gameknot.com, 2014.

9.d3 b5 10.c4 Bd7 11.Nbd2 dc4 12.dc4 Rb8 13.Bf6 Qf6 14.Ne4 Qe6 15.Nd6 cd6 16.cb5 ab5 17.Qd2 Ne5 18.Rfd1 Nc4 19.Bc4 bc4 20.Qd6 c3 21.Qe6 Be6 22.Nd4 Rb2 23.a4 Ba2 24.Rac1+/– Rc8 25.Nf5 Ra8 26.Rc3 g6 27.Nd4 Ra4 28.g4 Bd5 29.Rdc1 Kg7 30.h3 Raa2 31.R3c2 Kf6 32.Kh2 Rc2 33.Rc2 Rc2 34.Nc2 Ke5 35.Kg3 h6 36.f3 f5 37.Nb4 Bc4 38.Nc6 Kd6 39.Na5 Ba2 40.gf5+– gf5 41.Kf4 Bb1 42.h4 Ke6 43.Nb3 Kf6 44.Nd4 Bd3 45.Nc6 Bb5 46.Nb4 Ke6 47.Na2 Bd3 48.Nb4?? Bb5= 49.e4 ½–½. aschellen (1965) – jarek59 (2075), internet, 2006.

9.d4 Bf5 10.Nbd2 b5 11.a4 b4 12.a5 Qe7 13.c3 bc3 14.Bc3 Rfb8 15.Nb3 Ne4 16.Bb2 Qe6 17.Nbd2?? (better is 17.Nh4–/+) 17...Rb2–+ 18.Ne4 de4 19.Nh4 Qh6 20.g3 Bh3 21.Ng2 Rab8 22.Re1 (22.Ba6 Bg2 23.Kg2 Qe3–+) 22...Bb4 23.Rb1 (23.Nf4 Ba5 24.Ba6 Be1 25.Qe1 Nb4–+) 23…Be1 (23...Be1 24.Rb2 Bf2 25.Kf2 Rb2–+) 0–1. Kappel,Ray – Thomas,Gerald (1775), 2011–ServTourn Final, 2011.

8.0–0 Bf5

9.a3 Ba5 10.c4 dc4+= 11.Bc4 b5 (11...Qd6 12.d4+= (12.Nc3 b5 13.Be2 Rad8 14.d4 Bc3 15.Bc3) 12...Ne4 13.Nbd2 Nd2 14.Nd2 b5 15.Be2; 11...Ne4 12.Nc3 b5 13.Bd5 Nc3 14.dc3 Qd6 15.c4) 12.Ba2 (12.Be2 Qd6= 13.Nc3 h6 14.d4 Bc3 15.Bc3) 12...Bd3+= 13.Re1 Qd6 (13...h6 14.Nc3 Qd6 15.Ne2) 14.Nc3 Rab8 (14...Rad8 15.Ne2–/+ (15.Rc1+=); 14...h6 15.Ne2) 15.e4 (15.Qb3 b4 16.Nd5 Qd5 17.Qd5 Nd5 18.Bd5 Ne7=; 15.Ne2+=) 15...Bc3–/+ 16.Bc3 (16.dc3 Ne4 17.a4 Rfd8–/+) 16...Ne4 17.Re4? (better is 17.Qb3–/+) 17...Be4–+ 18.d4 (18.Ng5 Bg6–+) 18...Bf3 19.Qf3 Nd4 20.Bd4 Qd4 21.Rd1 Qf6 22.Qg3 Rbd8 23.Rc1 Qb2 24.Bf7 Rf7 25.Rf1 Qe2 26.h3 c5 27.Qc3 c4 28.Qa5 Rd1 29.Rd1 Qd1 30.Kh2 Qd6 31.Kg1 Qd4 32.Kh2 Qe5 33.Kg1 Rd7 34.g3 Rd1 35.Kg2 Qe4 36.Kh2 Rh1# 0–1. Neumann,Frank (1640) – Raap,Christian (2295), RSX5D–A00–Sokolsky–1, 2010.

9.a3 Bd6 10.c4 dc4 11.Bc4 Re8 12.Ng5 Bh2 (12...Bg6!?+=) 13.Kh1= Rf8 (13...Nd5 14.f4 Bf4 15.ef4 b5+=) 14.Kh2?? (14.Nf7 Rf7 15.Qb3+= (worse is 15.Kh2 Qd6 16.f4 Be6 17.Be6 Qe6–/+)) 14...Ng4–/+ 15.Kg1 Qg5 16.Nc3?? (better is 16.f3 Nf6 17.e4–/+) 16…Qh6 (16...Qh6 17.Qg4 Bg4–+) 0–1. Neumann,Frank (1650) – Kreutzberg,Steffen (2335), RS–Pyramide remoteschach.de, 2008.

9.c4 dc4 10.Bc4 Re8 11.a3 Bd6 12.d4 Qd7 13.Nc3 b5 14.Ba2 Bg4 15.h3 Bh5 16.d5 Ne7 17.Qe2 (17.Rc1 Rad8+=) 17...Ng6–/+ 18.Bb3? (better is 18.Nb1–/+) 18...Nf4!–+ 19.Qc2 (19.ef4 Re2 Pinning (19...Re2 Deflection)) 19...Nh3! 20.gh3 (20.Kh1 Bf3 21.Qe2 Be2 22.Ne2–+) 20…Bf3 (20...Bf3 21.Qf5 Qf5 22.Ne4 Qh3 23.Nf6 gf6 24.Bf6 Qg2#) 0–1. Neumann,Frank (1650) – Mettler,Horst (2385), RSS7E schnell–17, 2007.

9.Nh4 Be6 10.Nf3 Re8 11.a3 Bd6 12.Ng5 Bf5 13.Nf3 b5 14.d3 Rb8 15.Nbd2 Nd7 16.Qb1 Nc5 17.Qa2 Na4 18.Nd4 Nd4–+ 19.Bd4 c5 20.Bb2 d4 21.e4 Be6 22.Qb1 Qg5 23.Nf3 Qh5 24.Re1 Bc7 25.Qc1 Nb2 26.Qb2 Ba5 (27.Nd4 Qe5–+) 0–1. Skjonberg,Sverre – Olsen,Svein, corr Senior NM, 1999.

7.Nf3 Qd6??

8.0–0 Ne4 9.d3 Nf6 10.a3 =.

8.0–0 Qe6 =.

8.a3 Bc5 9.d4 =.

8.c3 Bc5 =+.

8.0–0 Be6??

9.Bf6!? gf6 10.a3 +=.

9.c3+/– Bc5

10.a4?? Ne5 11.Ne5 Qe5 12.d4 Bd4 13.cd4 +–.

10.d4 Bb6 11.Ba3 +/–.

10.a4?? Qe7=

11.Ba3 Ba3 12.Na3 Rfe8 =.

11.d4 Bd6 =.

11.Na3 a6=+

12.d4 Bd6 13.c4 b6 14.cd5 Bd5 15.Nc4 =+.

12.d4 Bd6 13.c4 Rfe8 14.c5 +–.

12.d4 Ba7

13.c4= Rfe8 14.c5 Ne4 15.Nd2 f5 16.Rb1 Rab8 =.

13.c4= Rfe8 14.c5 Ne4 15.Nd2 f5 16.Ne4 fe4 17.Qb3 b6 18.cb6 Bb6 =.

13.c4= Rfe8 14.c5 Ne4 15.Nd2 f5 16.Ne4 fe4 17.Bc3 Qg5 18.Kh1 Rad8 19.f4 ef3=+ 20.Rf3 Bc8 21.Nc2 b6 22.Rg3 Qh6 23.Bd2 Re4 24.Bd3 Bg4?? 25.Rc1 bc5 26.Qg4?? Rf8?? 27.Qd7 Rf6?? 28.Bc4 Nd8?? 29.Bd3 cd4?? 30.Ra1 Rff4 31.Be4 de4 32.Qe7 Qg5 33.ed4 Qh5?? (34.Qg7#; Better is 33...Qe7 34.Bf4 Ne6–/+) 0–1. Janisch,R – Wallner,W, AUT–chT2S, 1995.

13.c4= Rfe8 14.c5 Ne4 15.Nd2 f5 16.Ne4 fe4 17.Bc3 Qg5 18.Kh1 Rad8 19.f4 ef3 20.Rf3 Bc8 21.Nc2 b6 22.Rg3 Qh6 23.Bd2 Re4 24.Bg4 Bg4 25.Rg4 bc5 26.Qf3 Rf8 27.Rf4 Rff4 28.ef4 Nd4 29.Nd4 cd4 30.Rd1 Qe6 31.Qb3 Re2 32.Ba5? Qe4 33.Qh3 h6 (34.Qc8 Kh7–+) 0–1. Klement,Ottomar (2005) – Wallner,Walter (2190), AUT–chT2S, 1995.

13.c4= Rfe8 14.c5 Ne4 15.Nd2 Bf5 16.Nc2 =.

13.c4= Rfe8 14.c5 Ne4 15.Nd2 Bf5 16.Ne4 Be4 17.Bd3 =.

7.Nf3 Bd6

8.0–0 Qe7 9.d3 Re8 10.Nbd2 Bg4 11.h3 Bf3 (11...Be6 12.Rb1=+) 12.Nf3= Rad8 13.Rb1 Rb8 14.Qd2 ½–½. Schulte,Andreas – Bauer,Roland, Untergrombach op, 1989.

8.0–0 Ng4 9.c4 dc4 10.Na3 Nge5 11.Ne5 Ne5 12.f4 Nd3 13.Nc4 Nb2 14.Nb2 c6 15.Qc2 Qe7 16.Nc4 Bc7 17.Qd3 f5 18.a4 Qf6 19.a5 Be6 20.Rab1 Rab8 21.Qc2 Bd5 22.Bf3 Bc4 23.Qc4 Kh8 24.a6 ba6 25.Qc6 Qc6 26.Bc6 Rb6 27.Rbc1 Bd6 28.d4 Bb4 29.Kf2 g6 30.h4 a5 31.Kf3 Rc8 32.d5 Rc7 33.Rfd1 Bd6 34.h5! Kg7 35.g4 fg4 36.Kg4 Re7 37.Rd3 Rb2 38.Rc4 Rb4 39.Rb4 ab4 40.hg6 hg6 41.Kf3 Rf7 42.Rd1 a5 43.Ke4 Ra7 44.Ba4 Rc7 45.Bc6 Ra7 46.Ba4 Rc7 47.Bb3 Rc3 48.Rd3 Rd3 49.Kd3 Kf6 ½–½. Lorenc,To1 (2140) – Blazek,Ja (1785), Karlovy Vary Open, 2011.

8.Na3 a6 9.c4 Na5 10.0–0 Qe7 11.Qc1 c6 12.d3 b5 13.cd5 cd5 14.Nc2 Bd7 15.Qd2 Nc6 Black prepares b4 16.Rfc1 Rfc8 17.Ncd4 b4 18.Bd1 h6 19.Nc6 Bc6 20.Rab1 a5 21.Bb3 Bb7 22.Nd4 Qd7 23.h3 ½–½. BlackDemon (2655) – DarkAttack (1960), FICS rated standard game, 2013.

8.Na3 Re8 9.h3 (9.Nb5 Be7=) 9...a6+= 10.c4 (10.0–0 Qe7 11.Nb1 Na5+=) 10...d4 (10...Be6 11.Ng5–/+) 11.Nc2+= de3 12.Ne3 Ne5 (12...Nh5 13.0–0+=) 13.Qc2 (13.Ne5 Be5 (worse is 13...Re5 14.Be5 Be5 15.Rb1+/–) 14.Be5 Re5=) 13...Ng6 (13...b6 14.0–0+=) 14.g3 (14.c5 Bf4=) 14...c6 (14...b6 15.Rb1–/+) 15.Kf1 (15.c5 Be7+=) 15...Bb8 (15...Ne4 16.Kg2+=) 16.h4 (16.Kg2 Ne4=) 16...Ne4 (16...Ne5 17.Kg2+=) 17.h5= Nf8 18.h6 Ng6 (better is 18...g6=) 19.Kg2 Ng3 (19...gh6 20.Rh6 Nf8 21.Bd3+/–) 20.fg3+– Qd6 21.Rag1?? (better is 21.g4+–) 21...Qg3+= 22.Kf1 Bh3 23.Rh3 Qh3 24.Kf2 Ba7 (24...Qh6 25.Nf5 Ba7 26.c5 Qf4 27.Ng7 Qe4+=) 25.Qc3 (25.Bg7 Be3 26.de3 Rad8+/–) 25...f6?? (better is 25...Qh6 26.c5 f6+=) 26.hg7+/– Be3 27.de3 Qh6? (better is 27...Qe6+/–) 28.c5+– Qg7 29.Bc4 Kf8 30.Qf6 Qf6 31.Bf6 b5 (31...Rad8 32.Ng5 Rd2 33.Ke1+–) 32.cb6 Rab8 (32...Re4 33.Bb3+–) 33.Ng5 Rec8 (33...Re7 34.Nh7! Rh7 35.Rg6 Rf7+–) 34.Nh7 Ke8 35.Rg6 Rb6 (35...Rc7 36.Be6 Rg7 37.Rg7 Rb6 38.Bd7) 36.Be6 1–0. Winkler,Finn Lukas (1820) – Bendixen,Daniel (1855), Copenhagen Denmark, Ballerup Open, 2017.

8.Nc3 Na5 =.

8.Nc3 Bf5 9.0–0 Re8 10.Nb5 Be7 11.Ne5 Nb8 12.Nd4 Bg6 13.f4 Bf8 14.Ng6 hg6 15.Rb1 Nbd7 16.f5 gf5 17.Nf5 g6 18.Ng3+/– Rb8 19.Bb5 Ne4 20.Qf3 Ng5 21.Qd5 c6 22.Qd4 Ne5 23.Qd8 Rbd8+= 24.Be5 Re5 25.Bd3 b5 26.Rf6 Re6 27.Rf2 Bd6 28.Ne2 Be7 29.Nd4 Red6 30.h4 Ne6 31.Ne6 Re6 32.Rbf1 Rf8 33.g3 f5 34.Kg2 Rd8 35.h5 Bd6 36.g4 fg4 37.hg6 (37.hg6 Re7 38.Rf7 Rf7 39.Rf7+/–; 37.Bg6 Re7+–) 1–0. Gerold,Guenter (2230) – Presado,Carlos MP (2095), corr ICCF Cup11 V81, 1997.

8.c4 d4 9.Nd4= Be5?? 10.Nc6+– Bb2 11.Nd8 Ba1 12.Nb7! Bb7 13.Bf3 Bf3 14.Qf3 Rab8 15.0–0 Rb2 16.Nc3 Rd2 17.Ra1 c6 18.Qc6 Rfd8 19.Rb1 Nd7 20.Kf1 Nb6 21.c5 Nc4 22.Qa6 Ne5 23.c6 Rc2 24.c7 (24.c7 Rf8 25.c8Q+–) 1–0. pierre – Psilohead, ChessHere.com, 2005.

8.c4 Re8 9.0–0 Be6 10.cd5 Bd5 11.Nc3 Be6 12.Ng5 Bd7 13.Qb3 h6?? 14.Nf7+– Na5 15.Nh6 Kh7? 16.Bd3 Kh6 17.Qf7 Bh2 18.Kh2 Ng4 19.Kg3 Ne5 20.Rh1 (20.Rh1 Bh3 21.Rh3 Qh4 22.Rh4 Kg5 23.Ne4#) 1–0. Machete99 (2195) – dodoness (1850), ICC, 2002.

8.d3 Re8 9.Nbd2 Ne5 10.Ne5 Be5 11.Be5 Re5 12.Nf3 Re8 13.d4 Ne4 14.Ne5 f6 15.Nd3=+ Nc3 16.Qd2= Ne4 ½–½. Siebarth,Marco (2025) – Hirneise,Tobias (1960), GER–ch op U25, 2004.

8.d4 Re8 9.0–0 Bg4 10.Nbd2 Ne4 11.c4 Nd2 12.Nd2 Be2 13.Qe2 ½–½. Schwichtenberg,Juergen (1635) – Didzuhn,Werner (1690), GER–ch Seniors–B, 2008.

8.0–0 Bf5

9.c4 dc4 10.Bc4 Nb4 11.Nc3 Nd3 12.Qb3 c6 13.Ba3 (13.Qb7? Rb8 14.Qa7 Nb2–+) 13...b5 14.Bd3 Bd3 15.Bd6 Qd6 16.Rfe1 b4 17.Ne2 c5 18.Nf4 Be4 19.Ng5 Bb7 20.Rad1 h6 21.Nf3 Rac8 22.Qd3 Qd3 23.Nd3 Rfd8 24.Nde5 Ne4 25.Nc4 Ba6 26.Nb2 (26.Na5!?–/+) 26...c4–+ 27.Nd4 c3 28.dc3 bc3 29.Na4 Rc4 30.f3 Nf6 31.Nc3 Rc3 32.Kf2 Ra3 33.Rd2 Bc4 34.Rc1 Ra2 35.Ra2 Ba2 36.Ra1 Bc4 37.Ra7 Rb8 38.g4 Rb2 39.Kg3 Bf1 40.h4 (40.Ra1 Rg2 41.Kf4 Bd3–+) 40...Nd5 41.Ra8 Kh7 42.Rf8 (42.Ra1 Ne3 43.Kf4 Nd5 44.Ke5–+) 42...Rg2 43.Kh3 Ne3 44.Rf7 (44.h5 Rg4 45.Kh2 Rd4 46.Rf7 Rh4 47.Kg3 Rh5–+) 44...Rg4 (44...Nd1 45.h5 Nf2 46.Kh4 Nh1 47.Rg7 Kg7 48.Nf5 Kf6 49.Kh3 Re2 50.Kh4 Rh2) 45.Kh2 Rh4 (45...Rh4 46.Kg3 Rd4–+) 0–1. Lorenc,To1 (2085) – Plat,V (2445), Nachod CZE, 2013.

9.d3 b5 10.a3 A) 10...h6 11.Nbd2 (11.d4 a6 12.h3 Qc8 13.Nc3 Na5 14.Ne5 Nc4 15.Bc4) 11...a5 12.Re1 Re8 13.e4 Bg6 14.g3 de4 15.de4; B) 10...a6 11.Nbd2 (11.d4 Re8 12.h3 Qc8 13.Bd3 h6 14.Nc3 Na5 15.Nh4) 11...Qe7 12.Re1 Rfe8 13.e4 de4 14.de4 Bd7 15.e5; C) 10...Re8 11.Nbd2 (11.Qd2 Rb8 12.Nc3 a6 13.h3 Qd7 14.d4 h6 15.Rab1) 11...h6 12.c4 bc4 13.dc4 d4 14.Nd4 Nd4 15.Bd4.

9.d3 b5 10.Nc3 Rb8 (10...a6 11.Nd5 (11.a4 b4 12.Nd5 Nd5 13.e4 Be6 14.ed5 Bd5 15.Qd2) 11...Nd5 12.e4+= Be6 13.ed5 Bd5 14.c4 bc4 15.dc4) 11.a4 (11.d4 a6 12.Bd3 Qd7 13.Nd5 Nd5 14.e4 Be6 15.ed5) 11...ba4 12.Na4 Qe7 13.Qd2 Rfe8 (13...Rb7 14.Rfc1= Be6 15.Ng5; 13...Rb4 14.Bc3 Rb7 15.Nd4) 14.Rfc1 (14.Rfb1 Bd7= (14...h6 15.h3) 15.h3) 14...Be6 (14...Qe6 15.Rcb1) 15.Rcb1 a5 16.Bf6 (16.Nd4 Bd7 17.Nc6 Bc6+=) 16...Qf6+= (worse is 16...gf6 17.d4+=) 17.d4 Bf5 18.Bd3 (18.Rb8 Rb8 (worse is 18...Nb8 19.Qa5 Be4 20.Nc3+/–) 19.c4 dc4 20.Bc4 Be4=) 18...Rb1 (18...Be4 19.Be4 de4 20.Ne1+=) 19.Rb1 Be4 (19...Nb4 20.Bf5 Qf5 21.Rb3+=) 20.Ne1 Qe7 (20...Qh6 21.h3=) 21.Rb7 (21.Be4 de4 22.c4 Bb4=) 21...Nd8 (21...Ra8 22.Be4 de4 23.c4=) 22.Rb2 Bb4 (22...Ba3 23.Rb5=) 23.c3 Bd6 24.Be4 de4 (24...Qe4 25.Rb5+=) 25.Qe2 Qd7 26.Rb5 c6 27.Ra5 (27.Rb1 Ne6=) 27...Bh2 28.Kf1 Bb8 (28...Bd6 29.Nb6 Qb7 30.Qa6=) 29.Nb6 (29.Nc5 Qf5=) 29...Qc7 (29...Qe6 30.Nc4=) 30.Nc4 Nb7 31.Ra6 (31.Re5 Re5 32.Ne5 Qc8=) 31...c5 32.d5 (32.Ne5 cd4 33.cd4 Nd6=) 32...Rd8 (32...Qd7 33.Nb6 Qf5 34.Qb5=) 33.Qc2 Qe7 34.Qb3 g6 (34...h6 35.Rb6 Rd7 36.Qa4+=) 35.Rb6 Rd7 36.Qb5 (36.Na5 Na5 37.Rb8 Kg7+=) 36...Ba7 (36...Kg7 37.Nc2=) 37.Ra6 (37.Ne5 Qe5 38.Rb7 Rb7 39.Qb7 Qb8+=) 37...Nd8= 38.d6 Qe6 39.Nc2 Kg7 40.N2a3 Rb7 41.Qa4 (41.Qa5 Rd7+=) 41...Bb8 42.Ke1 Qd5 (42...f5 43.Qa5 Qf6 44.Ke2=) 43.Qd1 (43.Qc2 Qe6+=) 43...Qe6 (43...Qg5 44.g3=) 44.Ra5 Ba7 (44...Qf5 45.f3=) 45.Kf1 (45.Qa4 Bb8+=) 45...f6 (45...Rd7 46.Qb1=) 46.f3 ef3 47.Qf3 f5 48.Kf2 Bb8 49.Ra8 Qf6 50.Qd5 ½–½. Janek – Bvok, internet free game, 2017.

9.d3 b5 10.Nbd2 A) 10...a5 11.a4 (11.e4 de4 12.de4 Ne4 13.Bb5 Rb8 14.a4 Bf4 15.Ne4) 11...b4 12.d4 Rb8 13.Ne5 Rb6 14.Bb5 Be5 15.de5; B) 10...a6 11.Nb3 (11.a3 Qe7 12.Re1 Rae8 13.Nd4 Nd4 14.ed4 c6 15.Nf3) 11...b4 12.Qd2 Qe7 13.Nbd4 Bd7 14.h3 h6 15.Rfe1; C) 10...h5 11.a4 (11.h3 Qe7 12.Nh4 Bd7 13.Bh5 Rfe8 14.Re1 Ba3 15.Ba3) 11...b4 12.h3 Re8 13.Ng5 Nd7 14.h4 f6 15.Bf3; D) 10...Re8= 11.e4 (11.a3 Ng4 12.e4 Be6 13.h3 Nge5 14.Ne5 Be5 15.Be5) 11...Bg6 12.Bf6 Qf6 13.ed5 Nb4 14.Ne4 Qe7 15.Nd6.

9.d3 b5 10.h3 A) 10...b4 11.Nbd2 Re8 12.d4 Rb8 13.Nh4 Be4 14.Kh1 h6 15.Ne4; B) 10...Rb8 11.Nc3 (11.a3 Qe7 12.Nc3 h6 13.d4 a6 14.Bd3 Qd7 15.Nh4) 11...b4 12.Nd5 Nd5 13.e4 Be6 14.ed5 Bd5 15.Qd2; C) 10...a6 11.Nbd2 (11.Nc3 Re8 12.a3 Qd7 13.d4 h6 14.Bd3 Be4 15.Rb1) 11...Re8 12.a3 a5 13.d4 Rb8 14.Bd3 Qd7 15.Qe2.

8.c4 dc4!?

9.Na3 Ba3 10.Ba3= Re8 11.Bc4 Be6 12.Be6 Re6 13.d4 Qd5 14.0–0 Ne4 15.Qb3 Rd8 16.Rfd1 Rg6 17.Ne5+= Rf6 18.Qb7 Nf2= 19.Rd2 Ne4 20.Rc2 Ne5–/+ 21.Qd5 Rd5 22.de5 Ra6 23.Rc7 h5 24.e6 fe6 25.Bb2 e5 26.a3 Rb6–/+ 27.Rc2 Rb3 28.Re1 Re3 29.Rc8 Kh7 30.Rcc1 Rb3 31.Ba1 Nc5–+ 32.Rc3 e4 33.Rb3–/+ Nb3 34.Bc3 Rd3 35.Bb4 e3 36.Kf1 Nd4 37.Rc1 Kg6 38.Bc3 Ne6–+ 39.g3 Kf5 40.Ke2 Ke4 41.Rc2 g5 42.Bb2 g4 43.Rc4 Nd4 44.Bd4 Rd4 45.Rc2 a5 46.Rb2 Rc4 47.a4 Ra4 48.Rc2 Rd4 49.Ke1 Rd2 50.Rc4 Kd3 51.Rc5 Rh2 (51...Rh2 52.Rd5 Ke4 53.Ra5 Kf3 54.Rf5 Kg3–+) 0–1. Pierred (2130) – Christian eck (2450), Rated game, 3m + 0s, 2005.

9.Na3 Ba3 10.Ba3 Re8 11.Bc4 Bg4 12.Rc1 Na5 13.Be2 Be6 14.Qc2 =.

9.Na3 Na5 10.Qc2 Ba3 11.Ba3 Re8 12.d3 c5 13.Bc5 Bf5 14.Bd4 =+.

9.Na3 Na5 10.Nc4 Nc4 11.Bc4 Be6 12.Be6 fe6 13.Qb3 Qe7 14.Rc1 =.

9.Na3 c3 10.dc3 Qe7 11.Nb5 Bc5 12.0–0 Rd8 13.Qc2 Bg4 14.Rfd1 =. marekt – lxred, ChessWorld.net, 2004.

9.Bc4 Na5 10.Be2 =+.

9.Bc4 Bf5 10.0–0 =+.

9.Bc4 Bf5 10.Nc3 a6 11.d4 b5 12.Be2 Re8 13.Rc1 Qd7 14.0–0 h6 15.Nb5 ab5 16.Bb5 Be4 17.Ne5 Be5 18.de5 Rab8 19.Qd7 Nd7 20.a4 Re6 21.f3 Nce5 22.fe4 c6 23.Be5 Ne5 24.Be2 Rb2 25.Rf2 Rb4 26.a5 Re4 27.a6 Re7 28.Ra1 Ra7 29.Rff1 Re3 30.Kf2 Rb3 31.Ra5 Ng6 32.Rc1 Rb2 33.g3 Ne7 34.Raa1 g5 35.Kf1 f5 36.Rcb1 Rb1 37.Rb1 Kf7 38.Rb7 Ra8 39.Bc4 Kf6 40.Rc7 Rb8 41.a7 Rb1 42.Ke2 Ra1 43.Bb3 Ra3 44.Kf2 h5 45.Ke2 ½–½. marekt – santa_96, chessworld.net, 2008.

9.Bc4 Bg4

10.0–0 Qe7 =+.

10.h3 Bf5 11.d3 =+.

10.h3 Bf5 11.d4 =+.

10.h3 Bh5 11.0–0 Na5 12.Be2= c5 13.Qa4 Nc6 14.Nc3 a6 15.Qh4= Bg6 16.Rfd1 Qe7 17.d4 cd4 18.Nd4 Rac8 19.Nc6 Rc6 20.Qd4 Qe5 21.Qe5 Be5 22.Rac1 Ne4 23.Ne4 Rc1 24.Bc1 Be4 25.f4 Bf6 26.Ba3 Rd8 27.Rc1 h6 28.Bb4 Rd7 29.Bg4 Rd8 30.Rc7 g6 31.Be2 Bd5 32.a4 Kg7 33.Kf2 Bb3 34.a5 Bd5 35.Bf3 Bf3 36.Kf3 Rb8 37.e4 b6 38.Bd6 Bd8 39.Rd7 Rc8 40.e5 Kg8+= 41.Rd8 Rd8 42.ab6 Rd7 43.Ke4 (43.Ke4 Rb7 44.Bc7+–) 1–0. Arkell,Keith C – Morris,Philip, Blackpool, 1988.

10.h3 Bh5 11.0–0 a6 12.d4 =+.

10.h3 Bh5 11.0–0 Ne5 12.Be2 Nf3 13.Bf3 Bf3 14.Qf3 Nd7 15.d4 c5 16.Nc3 cd4 17.Ne4 Be5 18.ed4 Bf6 19.Rab1 b6 20.Nd6 a6 21.Rfc1 b5 22.Ba3 Be7?? 23.Nb7+– Qe8 24.Re1 Nb6 25.Be7 Qd7 26.Nd6 (26.Nd6 Kh8 27.Bf8 Rf8 28.Nf5+–; 26.Bf8 Rf8 27.Nc5 Qd4 28.Na6 Qa4+–) 1–0. pierre – shr0pshire, ChessWorld.net, 2005.

7.Nf3 Ne4

8.0–0 Bd6 9.d3 Ng5 10.Nbd2 (10.Nc3 Nf3 11.Bf3 Be6 12.Bd5 Bd5 13.Nd5 Bh2=) 10...Qe7 (10...Re8 11.c4 Be6 12.Qb3 dc4 13.Nc4 Bd5=) 11.c4 (11.Rb1 Re8 12.c4 Nf3 13.Bf3 Ne5=) 11...Nf3 12.Bf3 (12.Nf3 dc4 13.dc4 Bf5=) 12...Ne5 13.Be5 (13.cd5 Nd3=) 13...Qe5 (< 13...Be5 14.d4 (< 14.Bd5 Ba1 15.Qa1 c6=+) 14...Bf6 15.cd5+/–) 14.g3 d4 15.ed4 Qd4 16.Nb3 Qf6 17.c5 Be7 18.Bg2 c6 19.d4 Be6 20.d5 (better is 20.Re1!?=+) 20...cd5–/+ 21.Bd5?? (better is 21.Rc1–/+) 21...Rad8–+ 22.Bb7 Rd1 (22...Rd1 23.Rad1 Bb3 24.ab3 Bc5–+) 0–1. Regeling,Chris – Sprangers,Remco, Utrecht OKU op–B, 2004.

8.0–0 Be7 9.d3 Bf6 10.Qc1 (10.de4? Bb2 11.ed5 Ne7–+) 10...Nd6 11.Nbd2 Bg4 (11...Re8 12.d4=) 12.Re1 (12.h3 Be6=) 12...Re8 13.Rb1 Rb8 14.Nd4 (14.h3 Be6=) 14...Bd4 15.Bd4? (better is 15.Bg4 Bb2 16.Qb2=) 15...Be2–+ 16.Qb2 Nd4 17.Qd4 Bh5 18.Qd5 Bg6 (18...Bg4 19.c4–+) 19.e4 c6 20.Qc5 f6 21.f4 Nb5 22.Nf3 Qe7 23.Qf2 b6 24.c4 Nc7 25.f5 Bf7 26.Rbc1 c5 27.g4 Rbd8 28.Re3 b5 29.e5 fe5 30.Re5 Qe5?? 31.Ne5= Re5 32.cb5 Rd3 33.Rc5 Bd5 34.Rc1 Rde3 35.Qc2 Re7 36.Qc5+= Re2 37.a4+/– Rg2 38.Kf1 Ree2 39.Qc7?? Ref2 40.Ke1 Re2 41.Kd1?? Rd2 42.Ke1= Rge2 43.Kf1 Rf2 44.Kg1 Rg2 45.Kf1 ½–½. Wolf,Heinz – Schafranietz,Sebastian, Baden, 1997.

8.0–0 f5 9.c4 (9.d3 Nf6=) 9...Be6 10.Qc2 (10.d3 Ng5=) 10...Bd6 11.Nc3 (11.d3 Nc5=) 11...Nb4 (11...Nc3 12.Bc3 dc4 13.Rfb1=) 12.Qb1 dc4 (12...Rb8!?=) 13.Ne4+/– fe4 14.Qe4 Bd5 15.Bc4 Kh8 (15...c6 16.Bd5 Nd5 17.Qe6 Kh8 18.e4 Rf3 19.gf3+/–) 16.Bd5 Nd5 17.Rab1 b6 (17...c6 18.d3+/–) 18.Qg4 (18.Rfc1 Nb4+/–) 18...Nf6 19.Qh4 Qd7 (19...Qe8 20.Rfe1+/–) 20.e4 (20.Ng5 c5+/–) 20...Be7 (20...Ng4 21.e5 Bc5 22.d4+–) 21.Ne5 (21.Ne5 Qe8 22.d4+/–; 21.d4 c5+/–) 1–0. Bessat,Remy – Vinsard,C, 5th Open La Fere FRA, 2006.

8.0–0= Ng5 9.Ng5 Qg5 10.f4 Qh4 11.Nc3 Ne7 12.Nb5 Ba5 13.Nd4 Nf5 14.Nf3 Qe7 15.Rb1 Bb6 16.Bd3 h6 17.g4 Nh4 18.Qe1 Nf3= 19.Rf3 c5 20.f5= f6 21.h4 c4–/+ 22.Be2 Bc7 23.Qf1 Be5 24.Be5 Qe5 25.Qg2 b6 26.Rf4 c3 27.Rd4 Bb7 28.Qf2 cd2 29.Rd2 Rfe8=+ 30.Bf3 Rad8 31.c4= Qe3 32.cd5 Qf4=+ 33.Rd4 Qd6 34.Re1 Re1 35.Qe1 Qc5 36.Qb4 Qb4 37.Rb4 Kf8 38.Rd4+= Ke8 39.Kf2 Kd7 40.Ra4 a5 41.Ra3 Kd6 42.Rb3 Kc5 43.Rc3 Kd6 44.Re3 Rd7 45.Rb3 Kc5= 46.Rc3 Kd4 47.Rb3 Rd6 48.Rb5 Ba6 49.Rb1+= Bc4 50.Rd1 Kc5 51.Rc1 b5 52.a4 Kb4 53.ab5 Kb5 54.Rb1 Kc5 55.Ra1 Kb4 56.Rb1 Bb3 57.Ke3 a4 58.Kd4 a3 59.Rg1 a2=+ 60.g5? Bc2 61.Be4? Be4–+ 62.Ke4 Ra6 63.gh6=+ gh6 64.Ra1 Kc5 65.Kf4 Ra4 66.Ke3 Kd5 (67.Kd3 Ke5–+) 0–1. Mitloehner,Norbert (1925) – Wenger,K (2060), Graz–ch, 1994.

8.0–0= h6 9.d3 Nf6 10.Nbd2 Be7 11.e4 Bd6 12.e5 Ne5 13.Be5 Be7 14.Bf6 Bf6 15.Rb1 b6 16.d4 Be6 17.c4 Re8 18.cd5 Bd5 19.Bc4 Bc4 20.Nc4 Re4 21.Ncd2 Re6 22.Nb3 Rd6 23.Qc2 Qd7 24.Qc4 Rd8 25.Rbd1 c5 26.Rd3 cd4 27.Rfd1 Rc8 28.Qb4 a5 29.Qd2 Rc3 30.Rc3 dc3 31.Qd6 Qf5 32.Qd3 Qf4 33.Nbd4 Qc7 34.Nc2 Qc5 35.Qd5 Qe7 36.Nfd4 b5 37.Nb5 Qe2 38.Qd3 1–0. Trkn – waedi, itsyourturn.com, 2000.

8.a3 Ba5 9.0–0 Bf5 10.d3 Nc5 11.Nc3 (11.Nbd2 Na4 12.Qc1 Re8 13.Nb3 Bc3 14.Bc3 Nc3=+; 11.Bc3 Bc3 12.Nc3 Re8 13.d4 Ne4 14.Ne4 de4=; 11.Qc1 Na4 12.Nbd2 Bc3 13.Bc3 Nc3 14.Bd1 Qf6=) 11...Re8 12.d4 (12.Rb1 d4 13.ed4 Nd4 14.Nd4 Qd4=) 12...Ne6 (12...Ne4 13.Ne4 de4 14.Nd2 Qg5=+) 13.Na2 (13.Rb1 a6 14.Na2 Qe7=+) 13...Ng5 (13...Qf6 14.c4 dc4=) 14.c4 (14.Bc3 Bb6=) 14...Nf3 (14...dc4 15.Bc4 Be4 16.d5 Bf3 17.gf3=) 15.Bf3= dc4 16.Qa4 Be4 17.Be4 Re4 18.Qc4 Qg5 19.Nc3 Rg4 20.g3 Re8 21.Rad1 Rd8 22.Na4 Ne5 23.Qe2 Nd7 24.f3 Rh4 25.e4 c6 26.d5+= Nb6? 27.Nc5+– Nd5 28.ed5 Bb6 29.Kh1 (29.Kh1 Rh2 30.Kh2 Bc5 31.dc6 bc6 32.Rd8 Qd8 33.Bg7 Ba3 34.Bc3+–) 1–0. Gerold,Guenter – Adam,Helmut, BdF, 2001.

8.0–0 Re8

9.d3 Ng5 10.Nbd2=.

9.d4 Bg4 10.a3 Ba5 11.Nfd2 (11.c4 dc4 12.d5 (12.Bc4 Qf6 =+) 12...c3 13.Nc3 Nc3 14.Bc3 Bc3 15.Rc1 Bb2 16.Rc2 Ba3 17.dc6 b6 –+) 11...Be2 12.Qe2 Qh4 13.Ne4 Qe4 14.c3 Re6 15.Re1 Rae8 16.Nd2 Qc2 17.Nf3 Qf5 18.Red1 Rg6 19.Nh4 Qg4 20.Qg4 Rg4 21.Nf3 b5 22.a4 ba4 23.Ra4 Rb8 24.c4 Rb2 25.cd5 Nd4 26.Nd4 Bb6 27.h3 Rg6 28.Nf3 Rf6 29.Nd2 Kf8 30.Nc4 Rc2 31.Rd2 Rd2 32.Nd2 Rf5 33.Nf3 Rd5 34.Nd4 c5 35.Nc6 Rd1 36.Kh2 Rd7 37.Kg3 Rc7 38.Ne5 g6 ½–½. Labahn,Wolfgang – Hanison,Bernard, corr ICCF TT–4–90 1991 (Labahn).

8.0–0 Bg4

9.d3 Nf6 10.c3 Bd6 11.Nd4 (11.Nbd2!?=) 11...Nd4 12.cd4 Bf5 (12...Be2 13.Qe2 Qe7 14.Nd2=+) 13.Bf3 (13.Qb3 c6=+) 13...c6 (13...Qe7 14.Qb3=+) 14.Re1 (14.Ba3 Ba3 15.Na3 Re8=+) 14...Qc7 15.g3 Bh3 16.e4 Rfe8 17.e5 Be5?? 18.de5 Nd7 19.d4 Qc8 20.Nd2 Nf8 21.Bg2 Bg4 22.f3 Bf5 23.g4 Bg6 24.h3 Ne6+/– 25.Rf1 Nf4 26.Nb3 h5 27.Bc1 Ne6 28.f4 Nf8 29.f5 Bh7 30.Bf4 hg4 31.hg4 Qd8 32.Kf2 Qh4 33.Bg3 Qg5 34.Rh1 Bf5 35.gf5 Qf5 36.Qf3 (36...Qf3 37.Kf3+–) 1–0. cry – Michal, Live Game Caissa's Web, 2004.

9.d3 Nf6 10.Nbd2 Re8 11.Rb1 Rb8 12.a3 Bd6 13.c4 Ne5 14.Be5 Be5 15.Ne5 Be2 16.Qe2 Re5 17.Nf3 Re8 18.c5 d4 19.e4 Nd5 20.Qd2+/– Ne7 21.Rfc1 Nc6 22.Rc4 Qd7 23.Qg5 Red8 24.Nh4 f6 25.Qg3 Kh8 26.f4 b5 27.cb6+/– cb6 28.Nf5 g6 29.Nh4 Na5 30.Rcb4 Rbc8 31.Nf3 Nc6 32.Rc4 Qd6 33.Rbc1 Ne7 34.Qh4 Rc4 35.Rc4 Rf8 36.a4 Qa3 37.Rd4 g5 38.Qg3 Ng6 39.f5 Ne5 40.Rd5 (40.Qe5 fe5). pierre – salmo, ChessHere.com, 2005.

9.h3 Bf3 10.Bf3 Qg5 11.d3 Nf6 12.Nd2 Rad8 13.c3 Be7 14.Qb3 b6 15.c4 Na5 16.Qc2 dc4 17.Nc4 Nc4 18.Qc4 c5 19.a4 Nd5? 20.a5 Nb4 21.d4 cd4= 22.Bd4 Rc8 23.Qb3 Nc2 24.Ra4 Nd4 25.Rd4 Bc5 26.Rd7 ba5 27.Bd5 Qf5 28.Rb7 Bb6 29.e4 Qg6 30.Kh1 Rb8?? 31.Rb8?? Rb8=+ 32.f4 Kh8 33.Bf7 Qe4=+ 34.Bd5 Qb4 35.Qd3 Qf8 36.Ba2 a4 37.Bb1 (37.Bb1 Qg8 38.Re1=+). Fredek (2090) – Guest538957, Freundschaftspartie, 5m + 0s, 2005.

8.c3 Bd6

9.d3 Ng5 10.Nbd2 Be6 11.h4 Nf3 12.Nf3 h6 13.Qc2 a5 14.0–0–0 a4 15.d4 f5 16.Nd2 Ra5 17.Rdg1 Qd7 18.f3 f4 19.e4 (19.ef4 Bf4 20.Bd3 a3+=) 19...de4 20.fe4 (20.Nc4 ef3 21.gf3 Bf5–/+) 20...Ba2 21.e5 (21.d5!? Na7 22.c4–/+) 21...Be7–+ 22.g3 f3 (22...Bd5!? 23.Bf3 a3 24.Ba1 Bf3 25.Nf3–+) 23.Bf3–/+ a3 24.Ba1 Bd5 25.Bd5 Rd5 26.Rf1 b5 27.Rf8 Bf8 28.Re1 Nd8 29.Qg6 c5 30.Ne4 Qe6?? (better is 30...Kh8 31.dc5 Re5+=) 31.Nf6+– Qf6 32.ef6 Rd6 33.Rf1 (33.Rf1 Nf7 34.dc5+–) 1–0. Larsen,Andreas – Fedin,Viktor (1790), Tromsoesjakken op, 2003.

9.d3 Ng5 10.Nbd2 Nf3 11.Nf3 Ne5 12.Qb3=.

9.d3 Ng5 10.Nbd2 Bg4 11.0–0 (11.Ng5 Be2 12.Nf7 Bd1 13.Nd8 Ne5 14.Kd1 Rad8+=) 11...Bf3 (11...Re8 12.c4=) 12.Nf3 (12.gf3? Nh3 13.Kh1 Qh4–+) 12...Nf3 13.Bf3 Qh4 14.g3 Qg5 15.Bc1 (better is 15.Qb3 Ne5 16.Bd5 Nd3 17.Rfd1=) 15...Ne5 (better is 15...Qe5=) 16.Bd5+– c6? (better is 16...Nc6!? 17.e4 Qg6+/–) 17.f4 Qg6 (17...Qg4 18.fe5 Qd1 19.Rd1 Be5 20.d4 cd5 21.de5+–) 18.fe5 Be5 (18...cd5 19.ed6 Qd6 20.Rf5+–) 19.Be4 Qg5 (19...f5 20.Qb3 Kh8 21.Ba3 fe4 22.Bf8+– (22.Rf8?! Rf8 23.Bf8 Bg3+–)) 20.Qb3 Bg3 (20...Rab8 21.Ba3 Qe3 22.Kh1+–) 21.Rf5 Bh2 22.Kh2 Qh4 23.Kg1 Qe1 (23...b6 24.Rf2 Qg3 25.Kf1+–) 24.Kg2 Qe2 25.Rf2 Qg4 26.Kf1 Rae8 27.Rg2 Qh3 28.Qb7 f5 (28...Re4 29.de4 Qh1 30.Kf2 Qh4 31.Ke2 Qe4+–) 29.Qg7 1–0. Janek – Gustave, internet, 2016.

7.Nf3 Be6

8.Ng5 Bf5!?–/+.

8.Ng5 h6 9.Ne6= fe6 10.0–0 Bd6 (10...Qd7 11.d4=) 11.d3 (11.Nc3 Qe7=) 11...Ne7 (11...Qe7 12.a4=) 12.Nd2 c6 (12...c5 13.Nf3=) 13.c4 Qc7 (13...b5 14.cb5 cb5 15.e4+=) 14.Rc1 (14.g3 b5+=) 14...Bh2= 15.Kh1 Nf5 16.g4 (16.cd5 Nd5 17.e4 Nde3=) 16...Nh4+= 17.f4 Bg3 18.Nf3?? (better is 18.Qb3+=) 18...Ng4–+ 19.Nh4 (19.Qd2 Nf5 20.Nd4 Nge3–+) 19...Ne3 20.Be5 (20.Qb3 Nf1 21.Be5–+) 20...Qd8 21.Ng2 (21.Ng6 Nd1 22.Bd1 Rf6–+) 21...Nd1 22.Rcd1 Rf5 (22...g5 23.Rb1 b6 24.d4 gf4 25.Rg1–+) 23.Bg4 (23.a4 Re5 24.fe5 Qg5–+) 23...Qe8 (23...Re5 24.fe5 Qg5 25.Be2–+) 24.Rf3 (24.cd5 Rh5! 25.Kg1 cd5–+) 24...Rh5! 25.Kg1 (25.Bh5 Qh5 Decoy) 25...Re5 (better is 25...Bh2 26.Kf2 Re5 27.fe5–+) 26.Rg3 Rf5! 27.Bf5 ef5 28.Re1 (28.cd5 cd5 29.Re1 Qa4–+) 28...Qd7 29.Rge3 (29.cd5 Qd5 30.Re7 Qc5 31.Rge3 Rd8–+) 29...dc4 30.dc4 Rd8 (30...Qd4 31.Kh2 Qc4 32.Rd1 Qa2 33.Re7–+) 31.Nh4 (31.Re7 Qd4 32.Kh2 Qc4–+) 31...Qd4 32.Nf5 (32.Ng2 Qc4 33.R1e2 g5–+) 32...Qf4 33.Rf1 Qc4 34.Rg3 Qc5 (34...Kh8 35.Re1–+) 35.Kh1 (35.Kg2 Kh8 36.Rf2 Qa5–+) 35...Rd7 (better is 35...Kh8!? 36.Rg2 Rf8 37.Ne3–+) 36.Nh6 Kh7 (36...Kh8 37.Nf5–+) 37.Nf5 Qd5 38.Kg1 Qc5 (38...Qa2 39.Rf2 Qb1 40.Kg2–+) 39.Kh1 Qd5 40.Kg1 Qe6 (40...Qa2 41.Rh3 Kg8 42.Rg3–+) 41.Rh3 (41.a3 c5–+) 41...Kg8 42.Re3 (42.Rf2 Rd1 43.Kh2 Qe5 44.Rg3 Rd3–+) 42...Qg6 43.Rg3 Qh5 44.Rff3 (44.Rgf3–+) 44...Rd1 45.Kf2 Qh2 46.Ke3 Qd2 47.Ke4 Re1 (better is 47...Qb4 48.Ke3 Re1 49.Kd3 Qe4 50.Kc3 Qe5 51.Nd4–+) 48.Ne3 (48.Re3 Re3 49.Re3 g5–+) 48...Qd5 (better is 48...Qa2!? 49.Kf4 Qd2 50.Rg4–+) 49.Kf4 Qd6 50.Kg4 (50.Kf5 Qf6 51.Kg4 Qe6 52.Kg5 Rc1–+) 50...Qe6 51.Kf4 (51.Kg5 Qa2 52.Kf4 Qd2–+) 51...Qa2 (better is 51...g6 52.a3–+) 52.Kg5 (52.Rg2 Qe6 53.Nf5 Qe5 54.Kg5 Rc1–+) 52...Qa5 (better is 52...Qe6 53.Rh3–+) 53.Kg6 (53.Nf5–+) 53...Qe5 54.Nf5 (54.Ng4 Qd6 55.Kh5 Qd5 56.Kh4 Rh1 57.Rh3 Qf3 58.Rh1 Qh1 59.Kg3 a5–+) 54...Qf6 55.Kh5 Rh1 (better is 55...Re5 56.Rg5 Kh8 57.Kg4–+) 56.Kg4 Kh7 57.Rg2 (57.Rh3 Rh3 58.Rh3 Kg8 59.Rg3–+) 57...g6 (57...g6 58.Rh3 Rh3 59.Kh3 Qf5 60.Kh2 a5–+) 0–1. Larsen,Andreas (1995) – Young,Mel J (1900), Hastings Masters, 2016.

8.0–0 a5

9.a3 Bd6 10.d4 Ne4 11.Nbd2 f5 12.c4 b6 13.cd5 Bd5 14.Rc1 Ne7 15.Nc4 Kh8 (15...f4 16.Bd3 fe3 17.fe3+=) 16.Nd6+= Qd6 17.a4 (17.Ne5 Rae8+=) 17...c6 (17...Qb4 18.Ba1= (18.Rc7? Qb2 19.Bb5 Qa3–+)) 18.Ne5+= Ng6 19.Bf3 (19.f3!? Ng5 20.Qd2 Ne5 21.de5=) 19...Ne5= 20.de5 Qb4 21.Bd4 (better is 21.Qd4=) 21...Nd2?? (better is 21...Bb3 22.Qd3 Ba4+=) 22.Bd5+– Nf1 23.Qf1?? (better is 23.Bc6 Ne3 24.Be3+–) 23...cd5+= 24.e6 Rfe8 25.Rc7+= Re7 26.Rd7? Rae8 27.g3? Qa4–+ 28.Qa6 Rd7 29.ed7 Qd7 30.Qb6 a4 31.Qb4 h6 32.h4 Kh7 33.h5 Ra8 34.Qa3 Qf7 35.Qa2 a3 36.Qc2 a2 37.Ba1 Qh5 38.Qd2 Qf7 39.Qd4 Rb8 0–1. ejdrzej (1695) – garfi (1690), kurnik, 2012.

9.c3 Bd6 10.d4 Ne4 11.Nbd2 f5 12.Ne4 (12.c4!?=) 12...fe4–/+ (12...de4?! 13.d5 ef3 14.Bf3=) 13.Ne5 (better is 13.Ne1!?–/+) 13...Ne5–+ 14.de5 Be5 15.f3 ef3 16.Bf3 c6 17.Qe2 Qg5 (17...Qd6 18.g3–+) 18.Rac1 (18.e4 Qh6 19.g3 Rae8–+) 18...Rf7 19.Rc2 (19.Rce1 Re8–+) 19...Raf8 20.Bc1? (20.Ba3 Re8–+) 20...Qg6 (better is 20...Bg4 21.e4 Qg6–+) 21.e4?? (21.Ba3 Bg4! 22.Bf8 Bf3 23.Rf3 Rf3–+ (23...Rf8 24.Rf8 Kf8 25.c4+=)) 21...Bf4 (better is 21...de4 22.Ba3 ef3 23.Rf3 Rf3 24.Bf8 Rf7–+) 22.Bf4 Rf4 23.ed5 cd5 24.Re1?? Bf7 25.g3?? Rf6 26.Kh1?? d4 27.cd4?? Be6 28.Be4 Bf5= 29.Bf5 Qf5 30.Rcc1 Qd5+= 31.Qg2 Qd4 32.Qb7 Qd2 33.Qb3 Kh8 34.Rg1?? Rf2 35.Rg2 Rg2 36.Qa3 Rh2 37.Kg1 Qf2# (37...Qg2#) 0–1. blaugrana18 – garfi (1725), kurnik, 2012.

8.0–0 a6

9.a3 Bd6 10.Nc3 Ne5 11.Ne5= Be5 12.f4 Bd6 13.Bf3 c6=+ 14.Ne2 Re8 15.Qe1 Bf5 16.Nd4 Qd7 17.a4 Rad8 18.a5 c5 19.Nf5+/– Qf5 20.Bf6 Qf6 21.Bd5 Bc7 22.Bb7 Rb8 23.Bd5 Rb2 24.Bb3 c4 25.Bc4 Rc2 26.d3 Bb8 27.Rb1 Ba7 28.Kh1 h6 29.Qd1 Rc3 30.e4 (30.e4 Bd4 31.e5+–) 1–0. pierre – chokotoff, ChessHere.com, 2005.

9.Ba3 Ba3 10.Na3 b5 11.c3 Na5 12.Nd4 (12.Nc2 Ne4+=) 12...Qd6 13.Ne6 (13.Nac2 c5 14.Nf3 Rfe8+=) 13...fe6 14.Nc2 c5 15.d3 Rf7 16.h3 (16.f4 Nc6+=) 16...Raf8 (16...Rb8 17.f4+=) 17.Qe1 (17.Rb1 Nc6+=) 17…c4–/+ ½–½. Luettig,Hendrik – Stoephasius,Christian, Pinneberg–ch, 2006.

9.Ba3 Ba3 10.Na3 Qd6 11.Qc1 +=.

9.Ba3 Qe7 10.Bb4= Nb4 11.a3 Nc6 12.Nc3 (12.d4 Ne4=) 12...Na7 (12...Ne4 13.Na4+=) 13.Ne5 c5 14.Bf3 Nd7 (14...Rfe8 15.d4+=) 15.Nd3= Qd6 16.Rb1 b5 17.e4 d4 (17...de4 18.Ne4 Qc7 19.Re1=) 18.e5 Ne5 19.Ba8 dc3 (worse is 19...Ra8 20.Ne4 Qc6 21.Nec5 Nd3 22.Nd3+/–) 20.Ne5 Ra8 (better is 20...Qe5!? 21.Bb7 Rd8=) 21.Qf3+/– Re8 22.Qc3 Bd5 23.Rfe1 Nc6? (23...Be6!?+/–) 24.Nc4 (24.Nd3 Rd8 25.Nc5 Qg6+–) 24...Qd8 25.Re8 Qe8 26.Ne3 Qe6? 27.Qc5 Be4 28.d3 Bg6 29.Nd5 h5 30.Qc6! Qe2 31.Nf4 (31.Nf4 Qg4 32.g3+–) 1–0. wiking – vitte10, internet, 2010.

9.c3 Bd6 10.d3 Re8 11.Nbd2 h6 12.Nb3 Nb8 13.Nbd4= c5 14.Ne6 Re6 15.c4 Nc6 16.Bf6+/– Qf6?? 17.cd5+– Re7 18.dc6 bc6 19.d4 Rae8 20.Bc4 Re4 21.Nd2 R4e7 22.Nf3 cd4?? 23.Qd4+– Re5 24.Rad1 Bc5 25.Qc3 R5e7 26.Qf6 gf6 27.a4 Re4 28.Ba6 Ra8 29.Bb7 Rb8 30.Bc6 Rb6 31.Bb5 Kg7 32.Nd2 Re7 33.Nc4 Rbe6 34.a5 f5 35.a6 Kg6 36.Ra1 Ra7 37.Rfd1 Ree7 38.Rd5 Rec7 39.g3 f6 40.Rc1 Re7 41.Na5 Ba3 42.Rc8 Rg7 43.Nc6 Rac7 44.Rc7 Rc7 45.a7 Rc8 46.Rd8 Rd8 47.Nd8 Bd6 48.a8Q Be5 49.Be8 Kg5 50.Ne6 Kg4 51.f4 Bc3 52.Kg2 Bd2 53.Qf3 (53.h3) 1–0. tanto (1715) – vinkerr, net–chess.com, 2002.

8.0–0 Bd6

9.Na3 a6 10.c4 Qe7 11.cd5 Bd5 12.Nc4 Bc5 13.d4 Ba7 14.Ba3 (14.Nce5!) 14...Nb4 15.Qd2 c5 16.Rfc1 Rfd8 17.Rab1 Ne4 18.Qb2 Nc6 19.dc5 (19.Nb6! Bb6 20.Qb6 Ba2 21.Rb2 Bd5 22.dc5!) 19...Bc5 20.Bc5 Nc5 21.Nb6 Rab8 22.Qc2? (22.Qa3 Ne6 23.Qe7 Ne7 24.a4) 22...Be4 0–1. Schiffler – Puechl, 1951.

9.Nc3 a6 10.a3 Re8 11.d4 h6 12.Bd3 Bg4 13.Be2 (13.h3 Bh5+=) 13...Na5 14.a4 Bf3 15.Bf3 Nc4 16.Bc1 c6 17.Re1? (better is 17.Qd3 Qa5 18.Rb1+=) 17...Bb4–+ 18.Qd3?? (better is 18.Ne2 Be1 19.Qe1–+) 18...Qa5 19.Rd1 (19.Nd5 cd5 (19...Be1?! 20.Nf6 gf6 21.Qc4=; worse is 19...Nd5 20.Rf1 b5 21.ab5 Qa1 22.Qc4 ab5 23.Qc6–+) 20.Rd1 Rac8–+) 19...Bc3 20.Rb1 b5 21.ab5 ab5 22.g3 (22.Rb3 b4–+) 22...Qa2 23.Rb3 b4 24.Kg2 Na5 (24...Na5 25.Rc3 bc3 26.Qc3 Nc4–+) 0–1. Neumann,Frank – Tomassi,Emidio, OP–2012–0–02240, 2012.

9.d3 Qe7 10.Qc1 Nd7 11.Nbd2 f5 12.c4 Nce5 (better is 12...Rae8!?=) 13.Ne5+= Be5 14.d4 Bf6 15.Ba3 (15.cd5 Bd5 16.Qc7 Rac8+/–) 15...c5+= 16.Rb1 b6 17.Bf3 Qd6 (17...Qf7 18.dc5 Rfc8 19.cd5 Bd5 20.Bd5 Qd5 21.Qc4+=) 18.Rd1+/– Rad8 19.cd5 Bd5 20.Nc4 Bc4 21.Qc4 Kh8 22.dc5 Qc7 23.c6 Ne5 24.Qf4 Nf3 25.Qf3 (worse is 25.gf3 Be5 26.Qh4 Rf6+=) 25...Rfe8 26.g3 g6 27.Rbc1 Rd1 28.Qd1 Rd8 29.Qb3 Kg7 30.Bb2 Bb2 31.Qb2 Kf7 32.Qb3 Kg7 33.Qc3 Kf7 34.Qc4 Kg7 35.Qf4 Qf4 36.gf4 Kf7 37.f3 Ke6 38.e4 Rc8 39.Kf2 Rc7 40.Ke3+– Kd6 41.Kd4 Ke6 42.e5 a6 43.h4 Rc8 44.c7 b5 45.Rc6 Kd7 46.Rc5 Rc7+/– 47.Rc7 Kc7 48.a3 h6?? 49.e6 (49.e6 Kd6 50.e7 Ke7 51.Kc5–/+) 1–0. Kelly,Laszlo (2245) – Korpa,Bence (2030), HUN–chT2 Maroczy, 2009.

9.d3 Ng4 10.Nbd2 Nce5 11.Ne5 Be5 12.Be5 Ne5 13.f4 Nc6 14.f5 Bd7 15.c4 Qg5 16.Rf4 Ne7 Now all is on f5 17.Nf3 Qh6 18.g4 g5 19.Rd4 (better is 19.fg6!? fg6 20.g5+=) 19...c5–/+ 20.Rd5 Nd5 21.cd5 Rfe8 22.Qd2 Qd6 23.e4 f6 24.Bf1 Re7 25.Bg2 Rae8 26.Re1 b6 27.Rf1 Bb5 28.Qc3 Ba6 29.Qa3 b5 30.Kh1 (30.e5!? fe5 31.Ng5+=) 30...b4–/+ 31.Qb3 c4! 32.dc4 Re4 33.Rc1 Qf4–+ 34.Rg1 Bc4 35.Qb2 Re2 36.Qf6 Rg2! 37.Rg2 Re1!! (37...Re1 38.Ne1 Qf1 39.Rg1 Bd5 40.Nf3 Bf3#) 0–1. Zuse,Klaus_Peter (2275) – Krueger,Andre (2140), Dortmund GER, Sparkassen Open, 2012.

9.d4 Nd7 10.Nbd2 Bf5 11.c4 dc4 12.Nc4 Bb4 (better is 12...Nb6!?=) 13.a3+/– Be7 14.d5 Ncb8 15.Qb3 (15.d6 Bd6 16.Nd6 cd6+/–) 15...b6 (15...Nc5 16.Qc3 Bf6 17.Qb4=) 16.Nfd2 (16.Nce5 Ne5 17.Ne5 Bf6+=) 16...a5 (16...Nc5!? 17.Qc3 Bf6=) 17.e4+/– Nc5 18.Qg3 Bg6 19.f4 Bf6? (19...f6!? 20.f5 Bf7+=) 20.e5 (better is 20.f5!? Bb2 21.Nb2 Bf5 22.Rf5+– (22.ef5?! Qd5 23.f6 Qd4 24.Kh1 g6+–)) 20...Bh4 21.Qf3 Bf5 (better is 21...h6!?+–) 22.g3 Be7 23.d6 Ra7 (23...Nba6 24.de7 Qe7 25.g4+–) 24.de7 Qe7 25.Ne3 Bd7 26.Qg2 Bc6 27.Bf3 Bf3 28.Nf3 Rd8 29.Rfd1 Rd1 30.Rd1 Nc6 31.Nf5 Qe8 32.Ng5 Ra8 33.Qc6! Qc6 34.Ne7 Kf8 35.Nc6 h6 36.Nf3 Ke8 37.Bd4 Ne6 38.f5 Nd4 39.Nfd4 Rc8 40.Nb5 g6 41.Nc7 Kf8 42.Rd8 Rd8 43.Nd8 gf5 44.Nd5 b5 45.Nc6 b4 46.a4 b3 47.Na5 b2 48.Nc3 Ke7 49.Nc4 Ke6 50.a5 Kd7 51.Nb2 Kc6 52.Nc4 Kc5 53.a6 Kc6 54.a7 Kb7 55.Nb5 h5 56.Na5 Ka8 57.Nc6 Kb7 58.Nc7! Kc6 59.a8Q Kc7 60.Kf2 Kd7 61.Ke3 Ke6 62.Kd4 Kd7 63.Kd5 Kc7 64.Qa7 Kc8 65.Kd6 Kd8 66.Qd7# 1–0. Osmak,Yulia – Alexeeva,Margarita, UKR–ch U10 Girls, 2008.

9.d4 Re8 10.Ba3 =+.

9.d4 Bg4 10.Nbd2 Ne4 11.h3 Be6 12.c4 =.

9.d4 Bg4 10.Nbd2 Ne7 11.c4 c6 12.h3 Be6 13.Qc2 Bf5 14.Bd3 Bd3 15.Qd3 Re8 16.Rfe1 dc4 17.Nc4 Bc7 18.Qc2 Rc8 19.e4 Ng6 20.Ba3 b5 21.Ncd2 Bd6?? 22.Bd6+– Qd6 23.e5 (23.e5 Qd8 24.ef6 Qf6 25.Ne4+–) 1–0. pierre (1950) – babo, internet, 2006.

9.d4 Bg4 10.Nbd2 Ne7 11.c4 c6 12.h3 Be6 13.Qc2 Bf5 14.Bd3 Bd3 15.Qd3 Re8 16.Rfe1 Ng6 17.c5 Bc7 18.Rab1 Rb8 19.Nb3 Ne4=+ 20.Re2 Nh4 21.Nh4 Qh4 22.Nd2 Ng5 23.Qf5= Re6 24.Bc1 Rg6 25.Rb7?? Qh3 26.Rb8 Bb8 27.Qh3 Nh3 28.Kh1 Ng5 29.g3 Re6 30.Kg2 Ne4 31.Ne4+= Re4 32.Rb2 Re8 33.Rb7 g6 34.Bd2 Kg7 35.Ba5 Kf6? 36.Bc7+– Bc7 37.Rc7 Re6 38.Ra7 g5 39.a4 Re8 40.a5 (40.a5 Rc8 41.g4+–) 1–0. de Visser,Arno – Westerweele,Henrik, Haarlem AKN op, 2001.

8.0–0 Qe7

9.a3 Bd6 10.c4 dc4–/+ 11.Nc3 a6 (11...Rfd8 12.Qc2–/+) 12.Ng5 (12.d4 cd3! 13.Bd3 Na5–/+) 12...h6 13.Nge4 (13.Ne6 Qe6 (13...fe6?! 14.Bc4 Na5 15.Be2=) 14.Qc2 Rad8–/+) 13...Ne4–+ 14.Ne4 Bh2! 15.Kh1?? (15.Kh2 Qh4 Double attack) 15...Qh4 16.Bf3 (16.Nf6 Kh8 17.Ng4 Bd6 18.Kg1–+) 16…Bg3 (16...Bg3 17.Kg1 Qh2#; 16...Be5 17.Kg1 Qh2#) 0–1. Neumann,Frank – Lund,Jens Dahlen (2110), OP–2012–0–02267, 2012.

9.a3 Bd6 10.h3 Rab8 11.d4 b5 12.Nbd2 Bf5 0–1. phildo (1895) – menchy (2430), gameknot.com, 2013.

9.d3 Rfd8 10.Nbd2 a5 11.Qc1 a4 12.c4 a3 13.Bf6 Qf6 (worse is 13...gf6 14.d4+=) 14.cd5 (14.d4 dc4 15.Bc4 Bf5+=) 14...Bd5 15.d4 Qe7 (15...Qg6!?+=) 16.Bc4= Na5 17.Bd5 Rd5 18.Nc4 Bd6 (18...Nc6 19.Rb1=) 19.Rb1 (19.Nd6 Qd6 20.Rb1 Re8+=) 19...b6 (19...Nc4 20.Qc4 c6 21.Rb3=) 20.Re1 (20.Nd6 Qd6 21.Qc3 b5+/–) 20...Nc4+= 21.Qc4 Rda5 22.e4 Ra4 23.Qc2 f6 24.h3 (24.Nh4 g6 25.Nf3 Rb4+=) 24...Kh8 (24...Rb4 25.Rb4 Bb4 26.Qc4 Kh8 27.Qc6+=) 25.Rb3 Rb4 26.Ree3 (26.e5 fe5 27.Ne5 Be5 28.Re5 Qf8+=) 26...Rb3+= 27.Qb3 (27.ab3?? a2 28.Re1 a1Q–+) 27...Rf8 28.Qc2 (28.Nh4 g6+=) 28...g6 (28...Bf4 29.Rc3+=) 29.g3 (29.Qc4 Qf7 30.d5 Bc5+=) 29...Kg7 30.Kg2 Qd7 31.Qc3 Qe6 (31...c6 32.Re1=) 32.Re2 (32.d5 Qd7+/–) 32...h6 (32...Qe7 33.d5+=) 33.d5 Qe7 34.Nd4 Be5 35.f4 Bd4 36.Qd4 Rd8 37.e5 Qc5 (37...Kh7 38.Qc4+/–) 38.Qc5 bc5 39.Rd2 (39.e6 f5+/–) 39...Kf7 (better is 39...c4!?+=) 40.Kf3+/– Ke7 41.Ke3 Rb8 (41...Rd7 42.Ke4 f5 43.Ke3+–) 42.Rd3 fe5 43.fe5 Rb1 44.Ra3 Re1 45.Kf4 Rd1 46.Ra7 (46.Ra6!? Rd4 47.Ke3 Rd5 48.Rg6 Re5 49.Kf4+/–) 46...Rd4+= 47.Ke3 Rd5 48.Rc7 Kd8 49.Rc6 Re5 50.Kf4 (50.Kf3 Rf5 51.Kg2 Kd7 52.Rg6 c4 53.Rh6 c3+=) 50...Rf5 51.Ke4 Rg5 52.g4 Kd7 53.Ra6 c4 ½–½. Gunawan,Ronny (2370) – Bitoon,Richard (2435), 7th Penang Heritage City International, 2015.

9.d4 Ne4 10.c3 Bd6 11.c4 dc4 12.d5 Rad8 13.dc6 Bh2 14.Nh2 (14.Nh2 Rd1 Discovered attack; 14.Kh2 Qd6 Double attack (14...Rd1 Discovered attack)) 14...Rd1 15.Rd1 b5 16.Nc3 Nc3 17.Bc3 b4 18.Bd4 a5 19.Nf1 Rd8 20.e4 (better is 20.Ng3!?=) 20...Qe8–/+ 21.Ne3 h6 (21...Qc6 22.Bc4 Bc4 23.Rac1 Qe4 24.Rc4–/+) 22.Bf1 (22.f3 c3 23.Bb5 Qe7+=) 22...c3 (better is 22...Qc6!? 23.Nc4 Qe4–/+) 23.Bb5+= Ba2 24.Ra2 Qe4 25.Nc2 Qd5 26.Ra5 b3 27.Rf1 (27.Rda1 bc2 28.Be3 Qd1 29.Kh2 Rb8–+) 27...bc2 28.Ba7 Qf5 29.Be3 Rb8 0–1. usingprogram (1990) – nhch (1635), kurnik, 2012.

9.d4 Ne4 10.c3 Bd6=+ 11.c4 dc4 12.d5 Rfd8 13.de6 Bh2 14.Nh2 Rd1 15.ef7 Qf7 16.Bd1 a6 17.Bf3 Ng5 18.Bc6+/– bc6 19.Nd2 Rb8 20.Bc3 Re8 21.Nhf3 Nf3 22.Nf3 c5 23.Rac1 Qf5 24.Rfd1 h6 25.Bb2 Re4 26.Rd2 a5 27.Rcd1 Rg4 28.Ne5 Rh4 29.g3 Rh3 30.Kg2 Rh5 31.g4 Rg5 32.f3 Kh7 33.Kf2 Qe6 34.Rd5 (34.Rd5 a4 35.e4+–) 1–0. Markus,Roland – Haller,Andreas, DESC, 1999.

9.d4 Rfe8 10.Nbd2 =+.

8.0–0 Be7

9.c3 Re8 10.d4 a6 11.Nbd2 Bf5 12.Nh4 Be6 13.Qc2 (13.Nhf3 Qd7+=) 13...Ne4+= 14.Nhf3 Bf5 15.Ne4 Be4 16.Qd2 Bd6 17.Qc1 h6 (17...Re6 18.h3+=) 18.h3 (18.Ba3 Rb8=) 18...Ne7 19.a4 Ng6 20.Ba3 Nh4 21.Nh4 Ba3 22.Ra3 Qh4 23.c4 c6 24.cd5 Bd5 25.f3 Qg5 26.Kh2 Re7 27.Re1 Rae8 28.Bf1 Kh8 29.a5 f5 30.f4 Qf6 31.Bc4 Be4 32.Bf1 g5 33.g3 (33.Qc3 Bd5 34.fg5 Qg5+=) 33...gf4–/+ 34.gf4?? (better is 34.ef4 Qd4 35.Ra2–/+) 34...Rg8 35.Ra2 Qg6 36.Bg2 Qg2 37.Rg2 Rg2 38.Kh1 Rc2 39.Kg1–+ Rg7 40.Kf1 Bd3 41.Re2 Rc1 42.Kf2 Be2 43.Ke2–+ Rg2 44.Kf3 Rcc2 (44...Rcc2 45.e4 Rgf2 46.Kg3 fe4 47.Kg4 e3 48.d5 Rc4 49.Kf5 Rff4 50.Ke5 e2 51.Ke6 e1Q 52.Kd6 Rf7 53.dc6 Rc6 54.Kd5 Rd7#) 0–1. Uguzel,Pinar – Pak,Ozge, TUR–ch (Women), 2008.

9.Nc3 d4 10.ed4 Re8 =.

9.d3 h6 10.Nbd2 Nh7 11.Nb3 f5 12.Nbd4+= Nd4 13.Nd4 Bd7 14.Nf3 Bf6 15.Rb1+= b6 16.Qd2 c5 17.Rfd1 Bb2 18.Rb2 Qf6 19.Rbb1 Rae8 20.Re1 f4 21.ef4 Qf4 22.Qf4 Rf4 23.Bf1 d4=+ 24.Re8 Be8 25.Re1 Kf8 26.Ne5 g5 27.g3= Rf6 28.Bh3 Rd6 29.Nc4 Rf6 30.Nd2 Rf7 31.Ne4 Re7 32.Kf1 Bd7 33.Bg2 Bc6 34.f3 Be4 35.de4 Nf6 36.Kf2 Kf7 37.Bf1 Ke6 38.Rd1 Ke5=+ 39.h3 Ne8 40.Rb1 Nd6=+ 41.a4 c4 42.Ke1 h5 43.Be2 Rb7 44.Rb4 Rc7 45.Rb1 Rc6 46.Kf2 a6 47.Bf1 b5 48.ab5 ab5 49.h4 gh4 50.f4 Ke6 51.Bg2 hg3–+ 52.Kg3 d3 53.cd3 cd3 54.Bf3 d2 55.Rb2 Rc3 56.f5 Ke5 57.Kg2 Rf3! 58.Rd2 Ne4 59.Rb2 Rf2 (59...Rf2 60.Rf2 Nf2–+) 0–1. Rosinski,Zenon – Mroz,Antoni, corr 1. AMM Poland, 1992.

9.d4 Na5 10.Nbd2 b5 11.Ne5 Nd7 12.e4 de4 13.Ne4 Ne5 14.de5 Qd1 15.Rfd1= Nc4 16.Bd4 Bf5 17.Ng3 Bc2–/+ 18.Rdc1 Rad8 19.Ba7 Bd3 20.a4 Be2 21.Ne2 Ba3? 22.Rc2?? Bb2= 23.Re1 Be5 24.ab5= Na3 25.Rc6 Nb5=+ 26.Bc5 Rfe8–/+ 27.Kf1 Re6 28.Re6–/+ fe6 29.f4 Bf6 30.Rb1 c6 31.Bb6 Rd3 32.Rc1 Nc3 33.Ba5 Rd1 34.Rd1 Nd1 35.Ke1 Ne3 36.Kf2 Nd5 37.Kf3 Kf7 ½–½. Bungo,G – Gray,G, corr NTC–01, 1991.

9.d4 a6 10.a4 Ne4 11.Nbd2 Bf5 12.Ne4 Be4 13.Nd2 Bd6 14.Ne4 de4 15.c4 b6 16.Qc2 Qe7 17.Rfd1 Nb4 18.Qc3 f5 19.a5 f4 20.ef4 Bf4 21.g3 Bd6 22.Bc1 Nc6 23.ab6 cb6 24.Be3 Rfb8 (24...Kh8!?+=) 25.c5+/– bc5 26.dc5 Be5 27.Qc4 Kh8 28.Ra6 Ra6 29.Qa6 Nb4 (29...Qf6 30.Qa4 Qg6 31.f4 ef3 32.Bf3+–) 30.Qc4 Bf6 (better is 30...Nd3 31.Bd3 ed3 32.Qd3 Qf8+–) 31.Bf4 Rb7 (31...Nc6 32.Bb8 Nb8 33.c6 Nc6 34.Qc6+–) 32.c6 (32.c6 Nd3 33.cb7 Qb7 34.Qe6+–) 1–0. Chirpii,Alexandru – Ivasenko,Andrey, Geller Memorial op–B 4th, 2008.

9.d4 Ne4 10.Nbd2 Nd6 11.Ba3 f5 12.g3 g5 13.Bd6 cd6 14.c3 h5 15.Ne1+= g4 16.Ng2 Bg5 17.h4 gh3= 18.Nf4 Bf4 19.ef4 h4 20.Nf3 hg3 21.fg3 Qf6 22.Ng5 Rae8 23.Bh5 Re7 24.Qf3 Kg7 25.Rae1 Rh8 26.Qd1 Na5 27.Rf2 Nc6 28.Rfe2 Bd7 29.Re7 Ne7 30.Kh2 Ng8 31.Qe2 Qf8 32.Bf3 Nf6 33.Nh3 Ne4 34.Kg2 Qf6=+ 35.Nf2 b5 36.Qb2 a6 37.Qa3= Bc8 38.Qa5 Qf7 39.a4 Qb7 40.ab5+= ab5 41.Ra1 Kf6 42.Rh1 Rh1= 43.Nh1 Be6 44.Nf2 Ke7 45.Nd1 Qc6 46.Be2 Bd7 47.Bd3 Qb7 48.Ne3+= Qc6 49.Be4 de4= 50.Kh3 Be6 51.Qa7 Kf6 52.d5+/– Bd5 53.Qd4 Ke6 54.g4 fg4= 55.Kg4 Bc4 56.Qg7 d5?? 57.f5 Kd6 58.f6 Be2 59.Kg5 Qc3 60.Nf5 Kc6 61.f7 (61.f7 Qg7 62.Ng7+–) 1–0. Kretschmar,Heinz – Litique,A, corr ICCF, 1983.

9.d4 Ne4 10.Nbd2 Qd7 11.Bb5 =.

8.0–0 Re8

9.a3 Bd6 10.Nc3 =+.

9.d3 Bc5 10.c3 a6 11.Nbd2 Rb8 12.c4 Qe7 13.cd5 Nd5 (< 13...Bd5 14.e4 Be6 15.d4+/–) 14.a3 Bg4 (14...Be3 15.fe3 Ne3=+) 15.Qc2? (15.Ne4 Bb6=) 15...Rbd8 16.Rfe1 Bb6 17.Nc4 Qe6 18.Nb6 Nb6 19.h3 Bf5 20.Nh4 h6 21.Qc3 f6 22.Nf5 Qf5 23.d4 Rd6 24.Bf3 Qe6 25.a4 Qc4 26.Rec1 Qc3 27.Rc3 Red8 28.Ba3+/– Na4 29.Rb3 R6d7 30.Rb7 Na5 31.Ra7 Nb3 32.Ra2 Nc3 33.Rb2 Nb5 34.Ra6 N3d4 35.ed4 Nd4 36.Bd1 Rd5 37.Ba4 c5 38.Rb7 Kh8 39.Kh2 Re5 40.Raa7 Ne2 41.f4! Nf4 42.Rg7 (42...Ne6 43.Rh7 Kg8 44.Bb3+–) 1–0. Boehnke,Hartmut (2045) – Feco,Jan (2275), EM/M/185 ICCF Email, 2002.

8.0–0 h6

9.Nc3 a6 =.

9.Nc3 Ne4 =.

9.d3 b6 10.Nbd2 Be7 11.Rc1 Na5 12.Nb3 Nb3 13.ab3 c5 14.Ne5 Qc7 15.f4 Rfd8 16.Bf3 Rac8 17.Qe1 c4 18.bc4 dc4 19.Nc6 Re8 20.Qg3 Kf8 21.Be5 Qd7 22.Ne7 Qe7?? 23.f5!+– Bf5 24.Bd6 1–0. Althoff,Guntram (2185) – Polovina,Maxim, Ruhrgebiet VK3, 1998.

9.d3 Be7 10.a3 Qd7 11.Nbd2 Rad8 12.Qc1 Rfe8 13.c4 Qc8 14.cd5 Bd5 15.Nd4 Nd4=+ 16.Bd4 a6 17.Rd1 Bc6 18.Nc4 Nd5 19.Bf3 Bf6?? 20.Bd5 Bd4 21.Bc6+/– Ba1 22.Be8 Bf6 23.Ba4 b5 24.Bb3 bc4 25.Qc4 Rd7 26.d4 Qb7 27.a4 a5 28.Rc1 Re7 29.Qc6?? Qb3–/+ (29...Qb3 30.Qa8 Kh7 31.Qa5 g6–/+) 0–1. uno (1835) – talnight (1880), ICC, 2003.

9.d3 Re8 10.a3 Bd6 11.Re1 =.

9.d4 Ne4 10.a3 Bd6 11.Nbd2 (11.Nc3 Re8=) 11...Bf5 (11...Qf6 12.c4=) 12.c4= dc4 (12...Be7 13.cd5 Qd5 14.Bc4=) 13.Bc4 (13.Nc4 Be6=) 13...Qe7 (13...Na5 14.Bb5=) 14.Be2 (14.d5 Na5=) 14...Rfe8 (14...Rae8 15.Nc4+=) 15.Nc4 a6 (15...Rad8 16.Qb3 Bc8 17.Rfd1+=) 16.d5+= Na7 17.Nd4 Bh7 (17...Bd7 18.Nd6 Qd6 19.Rc1+=) 18.Nd6 Nd6 19.Bd3 (19.Qb3 Rad8+/–) 19...Bd3+= 20.Qd3 Nab5 21.a4 (21.Rfc1 Rad8+=) 21...Nd4 22.Bd4 Qd7 23.Rfc1 b6 (23...Rac8 24.Qb3+=) 24.Rc6 (24.Qc3 Nf5 25.Qc7 Qc7 26.Rc7 Nd4 27.ed4 Red8+=) 24...Ra7 (24...Nf5 25.Bb2 Rad8 26.Rd1+=) 25.Rac1 (25.a5!?+/–) 25...Nf5+= 26.Bb2 (26.e4 Nd4 27.Qd4 Qg4+/–) 26...f6 (26...Ne7 27.Qd4 f6 28.Re6+=) 27.e4 (27.Qc4 Nd6 28.Qc2 Ne4+/–) 27...Nd6 (27...Ne7 28.R6c3+/–) 28.f3 a5 (28...Nf7 29.Qc2+/–) 29.Qc3 Rc8 30.Ba3 Ne8 31.Qc4 Rb7 (31...Rd8 32.Re6 Kh7 33.Re7+–) 32.f4 (32.d6 Kh7+–) 32...Rd8 33.d6 (33.f5!?+/–) 33...Kh7 34.e5 Qg4? (34...cd6 35.Qd3 Kh8 36.ed6+=) 35.e6?? (better is 35.Qa6 Rbb8 36.dc7 Rd1 37.Rd1 Qd1 38.Kf2 Qd4 39.Kf3 Qd1 40.Ke3 Qg1 41.Kd2 Qf2 42.Qe2 Qf4 43.Qe3 Qe3 44.Ke3+–) 35...cd6+= 36.f5 Qf5= 37.Rc8? Rb8 38.Rb8 Rb8 39.e7 Qe5–+ 40.Qc2 Kh8 41.Kh1 Qe7 (41...Qe7 42.Bb2 b5–+) 0–1. Geragousian,Biaina – Springelkamp,Henriet, NED–ch U14 Girls, 2001.

9.d4 Ne4 10.c3 Bd6 11.Nbd2 Nd2 12.Nd2 Na5 13.e4 de4 14.Ne4 Bh2 15.Kh2 Qh4 16.Kg1 Qe4 17.Bd3 Qh4 18.Qa4=+ b6 19.Rae1 Rfd8 20.Re4 Qh5 21.c4 Bd7 22.Qc2 Bf5 23.Re5?? Bd3–+ 24.Qd3 Qe5!! 0–1. Brakin,Simon – Giardelli,Sergio Carlos (2430), Cordoba Eliskases mem 1st, 2004.

9.d4 Ne4 10.c3 Be7 11.Nbd2 Nd2 12.Nd2 Na5 13.Qc2 c5 14.e4 cd4 15.cd4 Rc8 16.Qd3 de4 17.Qe4 Re8 18.Bd3 g6 19.Qf3 Nc6 20.Nb3 Bd5 21.Qh3 Bg5 22.Rad1 Qb6 23.Bb1 (23.Rfe1 Bb3 24.ab3 Qb3–/+ (worse is 24...Nd4 25.Bg6 Re1 26.Re1+=)) 23...Na5–/+ 24.f4 Bf6 (24...Nb3?! 25.fg5 Na5 26.Ba3 hg5 27.Bc5+=) 25.Qh6 Nb3 26.ab3 (26.Bg6 fg6 (26...Nd4? 27.Bh7 Kh8 28.Be4 Kg8 29.Qh7 Kf8 30.Ba3 Rc5 31.Bd5+–; 26...Bd4?! 27.Bd4 Nd4 28.Qh7 Kf8 29.Qh8 Ke7 30.Qd4=) 27.Qg6 Bg7–+) 26...Re2 (26...Qb3?! 27.Rd2 Qe3 28.Rdf2–+) 27.Rf2 (27.Qh3 Rg2 28.Qg2 Bg2 29.Kg2 Qb3 30.Rd2–+) 27...Bd4! 28.Bd4 (28.Bd4 Qd4; 28.Rd4 Rc1) 28...Qd4!! 0–1. Mely – marekt, ChessWorld.net, 2016.

7.Nf3 Qe7

8.0–0 a5 9.a4 Bd6 10.Na3 Na7 11.c4 c6 12.Qc2 Bd7 13.Qc3 Bb4 14.Qc2 Nc8 15.Rfc1 Nd6 16.d3 Rac8 17.Qb3 Nf5 18.Nc2 Bd6 19.Bc3 b6 20.h3 dc4=+ 21.dc4 Ne4 22.Nfd4 (22.Ncd4 Nc3 23.Rc3 Rb8=). Acevedo,Daiana – Perdomo,Leandro, Najdorf U20 op, 2003.

8.0–0 a6 9.d3 Re8 10.Nbd2 Be6 11.a3 Bc5 12.d4 Bd6 13.c4 dc4 14.e4 Bg4 15.e5 c3 16.Bc3 Nd5 17.Qb3 Nc3 18.Qc3 Ne5 19.de5 Be5 20.Ne5 Be2 21.Ndf3 Bf1 22.Rf1 c5 23.Re1 Rac8 24.Nc4 Qc7 25.Ne3 b5 26.Nd5 Qd6 27.Rd1 Red8 28.Ng5 h6 29.Nh3 a5 30.g3 b4=+ 31.Qc4 ba3 32.Nhf4 Qe5 33.Ne2 Rb8 34.Nec3 Rb2 35.Qc5 a2 (35...a2 36.Rf1 Rd6 37.Qc8 Kh7–/+) 0–1. marekt – peacelover, ChessWorld.net, 2004.

8.0–0 Bd7 9.d4 Rfe8 10.c4 dc4 11.Bc4 Ne4 12.Nbd2 Nd2 13.Nd2 Rad8 14.a3 Ba5 15.Qc2 Bd2 16.Qd2 Qg5 17.f4 Qg6 18.Rf3 Ne7 19.Re1 Bg4 20.Rg3 h5 21.h3 Qc6? 22.Bf7! Kf7 23.hg4 hg4 24.Rg4 Qe4 25.Bc1 Nf5 26.Qc3 c6 27.Qb3+/– Kf8 28.a4 Re6 29.Qb7 Rd4 30.Qb8 Kf7 31.Ba3+– Qe3?? 32.Re3 Rd1 33.Kh2 Re3 34.Qf8 Ke6 35.Rg6 Kd7 36.Qf5 (36.Qf5 Kc7 37.Rg7 Kd8 38.Qf6 Kc8 39.Qc6 Kd8 40.Qa8#) 1–0. Zageris,Art – Doughty,G, Columbus, 1977.

8.0–0 Be6 9.a3 Bd6 10.g3 Bh3 11.Re1 Ne5 12.Ng5 Qd7 13.f4+= Ng6 14.Nh3 Qh3 15.Bf1 Qe6=+ 16.Nc3 a6 17.Bg2 Rfe8 18.Rf1 Ne7 19.Ne2 b6 20.Nd4= Qc8 21.c4 c6 22.cd5 Ned5 23.Qb3 Bc5 24.Nc6+= Qc6 25.Bf6 Qf6 26.Bd5 Rad8 27.Rfd1 Rd7 28.a4 Red8= 29.Bc4 Rd2 30.Re1 a5 31.Ra2 Qc6 32.Bf1?? R8d3?? 33.Qd3= Rd3 34.Bd3 g6 35.Kf2 Qd5 36.Bb1 Qb3 37.Kf3 h5 38.Ra1= Bb4 39.Ba2 Qc2 40.Rec1 Qb2 (< 40...Qh2 41.Rc7+/–) ½–½. Hasler,Ulrich – Weber, OV, 1988.

8.0–0 Re8 (--> 7.Nf3 Re8 8.0–0 Qe7).

8.0–0 Bf5 9.Nc3 a6 10.d4 Rad8 11.a3 Ba5 12.Nh4 Be6 13.Qd3 Bc8 14.Nf3 Ne4 15.Na2 ½–½. Grott,Peter (1985) – Jacobs,Rudolf, SZ014 DESC, 2001.

8.Bb2 Re8 9.Nc3 d4 10.Nd4 Nd4 =+.

8.0–0 Bd6

9.Nc3 Ne5 =.

9.c4 dc4 10.Bc4 Bg4 11.d4 Ne4 12.Be2 Rfe8 13.Nc3 Nc3 14.Bc3 Nb4 15.Bb4 Bb4 16.Qb3 b6 17.h3 Bh5 18.Qd5 Bg6 19.Ne5 Bd6 20.Ng6+= hg6 21.Rac1 Rad8 22.Qf3 c5 23.dc5 Bc5 24.Rfd1 Rd6 25.Rd6 Bd6 26.Bc4 Rf8 27.Rd1 Bc5 (27...Rd8 28.Bd5+=) ½–½. Hofmann,Bernhard (1895) – Trabert,Bettina (2210), Wattens op, 1995.

9.d3 Be6 10.Nbd2 Rad8 11.Rb1 Nd7 12.Ba1 Nb6 13.Nb3 Bd7 14.Qd2 Rde8 15.c4 f6 16.Rfc1 dc4 17.dc4 Bf5 18.Bd3 Bb4 19.Bc3 Bc3 20.Qc3 Bd3 21.Qd3 Rd8 22.Qe2 Rd7 23.c5 Nd5 24.Nfd4 Nd4 25.Nd4 c6 26.Nf5 Qe5 27.Qg4 Rfd8 28.Rd1 b5 29.Rd3 g6 30.Nd4 Nf4 31.Nc6 Qe4= 32.Qf4 Qd3 33.Rf1 Re8 34.Nd4 f5 35.c6 Rd5 36.Qc7 a5 37.Qb6 f4 38.c7 Qc4 39.Qb8 Rde5 40.Qd8 fe3 41.fe3 Qc5 42.h3 Re3–/+ 43.c8Q Qc8 44.Qd5 Kh8 45.Nb5 Re1 46.Re1 Re1 47.Kf2 Re7 48.Nd4 Qd7 49.Qc5 Qc7 50.Qd5 Qe5 51.Qe5 Re5 52.a3 a4 53.g3 Rc5 (53...Rc5 54.Ne2 Rc2–+) 0–1. Tschoepe,Frank – Baer,Werner, ETC, 2003.

9.d3 Be6 10.Nbd2 Rad8 11.Rc1 Ba3 12.Rb1= Bb2 13.Rb2 b6 14.c3 Qd6 15.d4 Bf5 16.c4 Rfe8 17.Qa4 Na5 18.c5 Qd7 19.Qd7+= Nd7 20.Rc1 c6 21.Nb3 Nb3 22.ab3 bc5 23.dc5 Bg4 24.Ra2 Ra8 25.Ra6 Rec8 26.Nd4 Be2 27.Ne2 Nb8 28.Ra4 a6 29.Nd4 Ra7 30.Rb4 Nd7 31.g4 g6 32.Kf1 Kg7 33.Ke2 Rac7 34.h4 h6 35.f3 Re8 36.Kd2 Kh7 37.Ra4+/– Nb8 38.Rb4 Nd7= 39.Ra1 Rec8 40.Ra5+/– Kg7 41.g5 Rb8 42.Rb8 Nb8 43.Ra4 Rb7 44.Kc3 Re7 45.Kd3 Rb7 46.f4 Nd7 47.b4+/– Nb8 48.e4 de4 49.Ke4 Re7 50.Kd3 Re1 51.Ra2 (51.f5 hg5 52.hg5 gf5 53.Nf5 Kg6 54.Nh4 Kg7+=) ½–½. Bonetti,Shane (2105) – Schulz,Hans_Jurgen (2230), TT–16, ETC, 2005.

9.d3 Re8 10.Nbd2 Bg4 11.h3 Bf3 12.Nf3= Rad8 13.Rb1 Rb8 14.Qd2 Qe6 15.Rfe1 Bb4 16.c3= ½–½. Schulte,A – Bauer,R, Undetgrombach, 1989.

9.d4 Be6 10.Nbd2 Nd8 11.c4 (11.Ne5 Nc6 12.c4 Rab8 13.Qc2 Nb4 14.Qb1 dc4 15.a3 c3 16.Bc3) 11...c6 (11...dc4 12.Nc4 Nc6 13.Nfe5 Nd5 14.Qc1 Be5 15.de5 Rfd8 16.Rd1) 12.c5 (12.Qc2 Bg4 13.h3 Bh5 14.Bd3 Bg6 15.Bg6 hg6 16.Ne5) 12...Bc7 13.Bc3 (13.Bd3 b6= (13...Bg4 14.Qc2 Ne6 15.Ne5 Bh5 16.h3) 14.Qc2 g6 15.h3 bc5 16.dc5) 13...Ne4 14.Bb4 (14.Qc2 Bf5 (14...Nc3 15.Qc3 Bf5 16.Bd3) 15.Bd3 (15.Ne4 Be4 16.Bd3) A) worse is 15...Nc3 16.Bf5 (16.Qc3?! Be4=) 16...g6 17.Bd3+–; B) 15...Ne6 16.g3; C) 15...Re8= 16.Ne4; 14.Ne4 de4 15.Nd2 Bd5 16.Nc4) 14...f5 (14...a5 15.Ba3+= (15.Qa4 Rb8 16.Ne4) 15...Nc3 16.Qe1) 15.Nb3 (15.Qc2 Nf7= (15...Rf6 16.Ne5) 16.Rab1; 15.Qb3 Nf7 16.Qd3) 15...Nf7 (15...a5 16.Ba3) 16.Qe1 (16.Qc2+=) 16...g5 (16...f4+=) 17.g3 (better is 17.Ba5!?=) 17...f4–/+ 18.Kg2? (better is 18.ef4 Bh3 19.fg5–/+) 18...g4–+ 19.ef4 gf3 20.Bf3 Qd7 21.Kh1 Rae8 22.Qc1 Nfg5! 23.Bg2 Nh3 24.Be1 Qg7 25.Bh3? Bh3 26.Rg1 Qg4 27.Qe3 Nf2! (27...Nf2 28.Qf2 Re2–+) 0–1. Del Val,J (1670) – Kleinhenz,HG (1940), Open, Davos SUI, 2010.

9.d4 Bg4 10.Nbd2 Ne4 11.c4 Ba3 (better is 11...Nd2!? 12.Nd2 Be2 13.Qe2 dc4 14.Nc4 Rad8=) 12.Ba3+/– Qa3 13.cd5 Nc3 14.Nb1 Nb1 (better is 14...Nd1!? 15.Na3 Nc3 16.dc6 Ne2 17.Kh1 Bf3 18.gf3 Rab8+/–) 15.Qb1+– Bf3 16.Bf3 Na5 17.Rc1 Qd6 18.Qb5 b6 19.Rc2 f5 20.Rac1 Rf7 21.g3 g5 22.g4 fg4 23.Bg4 Kg7 24.Be6 Re7 25.Qe2 c6 26.Qg4 h6 27.e4 cd5 28.Bd5 Rf8 29.Rc8 Qf4 (29...Rf4 30.Qh3 Qd7 31.Qd7 Rd7 32.R1c7 Rc7 33.Rc7 Kf8 34.Ra7+–) 30.Qf4 gf4 31.R1c7 Rfe8 32.Kg2 1–0. Senkyr,Vladimir (2185) – Skliba,Martin (2315), CZE–chT1E, 2009.

9.Bf6 gf6 10.Nc3 Be6 11.Nb5 +=.

9.Bf6 Qf6 10.Nc3 Rd8 11.Nd5 Bh2 12.Nh2 Rd5 13.d4 Bf5 14.c4 Ra5 15.Bg4 b6 16.Qf3 Qg6 17.Bh5 Qd6 18.Rfd1 Re8 19.Nf1 g6 20.Bg4 Be4 21.Qe2 h5 22.Bf3 Bf3 23.Qf3 (23.gf3?? Nd4 24.Rd4 Qd4–+) 23...Kg7 24.Rdb1 a6 25.Rb2 Rf5 26.Qg3 Qd8 27.Rc1 Rg5 28.Qh2 Re4 29.Qh3 Qf6 30.f4 Ra5 31.Qf3 Re8 32.Qf2 Ra3 33.Qd2 Kg8 34.Rbc2 ½–½. Fels,Bernhard (2015) – Zasinets,Dima (1890), BI–2010–F–00009, 2011.

8.0–0 Bg4

9.a3 Bd6 10.d4 Rad8 11.Nbd2 Ne4 12.c4 Nd2 13.Nd2 Be2 14.Qe2 dc4 15.Nc4 Bf4 16.d5 Rd5=+ 17.Qf3 Bh2–/+ 18.Kh2 Qh4 19.Qh3 Qc4–+ 20.Kh1? Rd2 21.Rab1?? Qd3 22.f4?? Ne7 23.Bd4 b6 24.Rbc1 Nf5 25.Be5 c5 26.Rf3 Qe4 27.Qg4 f6 28.Rh3 fe5 29.Kg1 ef4 30.ef4 Ne3 31.Re3 Qe3 32.Kh2 Qf4 (32...Qf4 33.Qf4 Rf4–+; 32...Rf4 33.Qg3 Qe5 34.Re1 Rh4 35.Kg1 Qg3 36.Re8 Kf7 37.Re7 Ke7 38.Kf1 Rh1#) 0–1. Towns,Barry – Ditt,Egon, Canadian op Winnipeg, 1997.

9.d3 Rfe8 10.Nbd2 Ba3 11.Qb1 Bd6 12.Re1 Rab8 13.c4 Bb4 14.cd5 Nd5 15.Qc2 Rbd8 16.a3 Ne3 17.fe3 Qe3 18.Kf1 Bf3 19.Nf3 Be1 20.Re1 Qf4 21.Qd1 Qf5 22.Kg1 Qe6 23.d4 Qg6 24.d5 Rd5?? (Better is 24...Ne7 25.Bc4 a6+=) +=. Milde,Lars – Moeckel,Jean, TT, 2003.

9.d4 Rfe8 10.Nbd2 Ne4 11.Ne4 de4 12.Nd2 Be2 13.Qe2 Rad8 14.Rab1 b6 15.c3 Bd6 16.Qb5 Nb8 17.Qa4 c6=+ 18.h3 Rd7 19.c4 Qg5 20.Ba3 Bc7 21.Rfd1= Re6 22.Qc2 f5 23.Kh1 Rg6=+ 24.Rg1 Qh4 25.Nf1 Rd8 26.Rb2 Nd7 27.Qa4 a5 28.Qc2 Kh8 29.f4 ef3 30.Qf5 fg2 31.Rbg2= Rg2 32.Rg2 b5 33.cb5 cb5 34.Kg1 b4 35.Qf7 Qf6 36.Qf6 Nf6 37.Rc2 Rd7 (37...Rc8 38.Bb2=+) ½–½. albatroz (1840) – spereira (1885), internet, 2005.

7.Nf3 Re8

8.0–0 Bc5 9.d4 Bd6 10.Nbd2 Bg4 11.c4 Bf3 12.Bf3 Bb4 13.cd5 Nd5 14.a3 Bd2 15.Qd2 Qd6 16.Rfc1 a5 17.Rc5 Nde7 18.Qc2 a4 19.Rc1 Ra6 20.Be4 g6 21.Qc3 Qf6 22.d5 Qc3 23.Bc3 Nd8 24.Rc7 Rd6 25.Rc5 b6 26.Rb5 Nc8 27.Bf3 Na7 28.Rbb1 f5 29.Bb4 Rd7 30.Rd1 Nf7 31.d6 Red8 32.Bd5 Kf8 33.Be6 Rb7 34.d7 Kg7 35.Be7 Nc6 36.Bd8 Nfd8 37.Rbc1 Ne5 38.Rc8 Ne6 39.d8Q Nd8 40.Rdd8 b5 41.h3 Nc4 42.Rd3 Nb2 43.Rdc3 Nc4 44.R3c4 bc4+/– 45.Rc4 Ra7 46.g4 Kf6 47.Kg2 fg4 48.hg4+– Ke5 49.Kg3 Kd5 50.Rb4 Kc5 51.Kh4 h6 52.f4 Kd5 53.e4 Kc5 54.f5 g5 55.Kh5 Ra6 56.e5 Kd5 57.e6 Ke5 58.Kh6 Rd6 (58...Kf6 59.Rb7 Ra8 60.Rf7 Ke5 61.Kg5+–) 1–0. Lauermann,Answarth – Niemeier,Stefanie, Werther Schloss op 2nd, 1996.

8.a3 Ba5 9.0–0 Bf5 10.c4 dc4 (10...Ne4 11.Nc3 Bc3 12.Bc3=) 11.Bc4 Qd6 (11...Ne4 12.d3 Nc5 13.d4=) 12.Nc3 a6 13.Qb3 Be6 14.Be6 Re6 (14...Qe6 15.Qe6 (15.Qb7 Reb8 16.Qa8 Ra8–+) 15...fe6 16.Na4=) 15.Ne2 (15.Qb7? Rb8 16.Qa6 Rb2–+) 15...Bb6 (15...Ne4 16.Nf4 (16.Qb7? Rb8 17.Qa6 Rb2–+) 16...Rh6 17.Qc2= (17.Qb7? Rb8 18.Qa6 Rb2–+)) 16.Nf4+= Ree8 17.d4 Ne4 18.Rfd1 (18.Ne5 Ne5 19.de5 Qc6+=) 18...Rad8 19.Nd2 (19.Ne5 Ne5 20.de5 Qc5+=) 19...Nd2 20.Rd2 ½–½. De Cat,Ben (1910) – Cheung,Jan (2090), 4th Rynia Poland, NATO Championship, 2013.

8.c3 Ba5 9.0–0 Bb6 10.d4 Ne7 11.c4 dc4 12.Bc4 Ng6 13.Ng5 Nh8 14.Nf7?? (Better is 14.Qb3 Qe7 15.Ba3+=) 14...Nf7–+ 15.Nd2 Be6 16.Bb5 c6 17.Be2 Nd5 18.Nc4 Bc7 19.Ne5 Ne5 20.de5 Qg5 21.f4 Qh6 22.Qd2 Bb6 23.Bd4 Bd4 (Better is 23...c5!? 24.Bc3 Rad8 25.Bc4 Nf4 26.Be6 Qe6 27.Qc2–+) 24.Qd4 Rad8 25.Bc4 Nb6 26.Be6 Re6?? (Better is 26...Qe6 27.Qc3 Nc4–+) 27.Qd8+– Kf7 28.Qc7 Re7 29.Qb8 Qh4 30.Qa7 Nd5 31.Qc5 Rd7 32.Qc4 Ke6 33.e4 b5 34.ed5 cd5 35.Qc6 Ke7 36.f5 d4 37.Qe6 Kd8 38.Qg8 Kc7 39.Rac1 Kb6 40.Qb3 Qe4 41.e6 Rd6 42.a4 d3 43.Qb5 Ka7 44.Rc7 (44...Ka8 45.Qe8 Rd8 46.Qd8) 1–0. stoker – split, Live Game Caissa's Web, 2004.

8.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.Be2).

8.c4 Be6 9.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0–0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Be6).

8.0–0 a5

9.Nc3 Ne4 10.Nb5 Bg4 11.d3 Nd6 12.a4 Ne7 13.c3 Bc5 14.Qb3 c6 15.Nd6 Bd6 16.c4 Qc7 17.h3 Bf3 18.Bf3 dc4 19.Qc4 Be5 20.Be5 Qe5 21.d4 Qg5 22.Rab1 Rab8 23.Rfc1 Ng6 24.Qc5 f5 25.g3 Nh4 26.Bh1 Ng6 27.Qa5 Ra8 28.Qc5 Ra4 29.Rb7 Ne7 30.d5 cd5 31.Re7! Qe7 32.Qe7 Re7 33.Bd5 Kf8 34.Rc8 (34.Rc8 Re8 35.Re8 Ke8 36.Bc6 Ke7 37.Ba4+–) 1–0. pierre – taiger, internet, 2006.

9.d3 a4 10.a3 Bd6 11.Nbd2 Na5 12.d4 Be6 13.Bb5 Bd7 14.Bd3 b5 15.Ne5 Nc4 16.Ndc4 bc4 17.Nd7 Qd7 18.Be2 Rab8 19.Bc1 Rb6 20.f3 c5 21.c3 Qc7 22.h3 Rb3 23.Qc2 Nh5 24.f4 Ng3–+ 25.Bf3? Nf1 26.Kf1 cd4 27.cd4 Qa5 28.Bd2 Qb5 29.Bc3? Re3 (29...Re3 30.Bb4 Bb4 (30...Bf4 31.Qf5 Rf3 32.gf3 c3 33.Kg2 Qe2 34.Kg1 Qe3 35.Kh1 Qf3 36.Kg1 Be3 37.Kh2 Rb2 38.Qc2 Rc2) 31.ab4 c3 32.Kg1 Qb4–+; 29...Ba3?! 30.e4–+; 29...Ra3?! 30.Ra3 Ba3 31.e4–+) 0–1. Fabisch,Christian (2200) – Karsa,Laszlo (2395), Gleisdorf, 1989.

8.0–0 a6

9.a3 Ba5 10.c4 dc4 11.Bc4 b5 12.Be2 Bf5 13.d4 (13.d3 Qd6 14.Qc2 Ng4=) 13...Qd5 (13...Qd6 14.Bd3 Bd3 15.Qd3=+; 13...Qd7 14.Nbd2 Qd5=) 14.Nc3= (14.Nbd2 Ne4=) 14...Qd6 (14...Bc3=) 15.Rc1 Rab8 16.h3 Ne7 17.Qb3 Ng6 18.Ng5 Qe7 19.Rfd1 Rbd8 20.Nf3 Ne4 21.Ne4 Be4 22.d5 Rd6 23.a4 Nh4 24.Nh4 Qh4 25.Bd3 Rg6 26.Be4 Qe4 27.g3 Qf3 28.Rd3 (28.ab5 Re3 29.Qe3 Rg3 30.Kf1 Qg2 31.Ke2 Re3 32.Ke3 ab5–+) 28...Re4 29.Qd1 (29.ab5 Rg3 30.fg3 Qg3 31.Kf1 Qh3 32.Kf2 Rg4 33.Rg1 Qh2 34.Kf3 Qg1 35.Rd2 Qg3 36.Ke2 Qg2 37.Ke1 Qd2 38.Kf1 Qg2) 29...Rg3! 30.fg3 Qg3 31.Kf1 Qh3 32.Kf2 Qh2 33.Kf3 Rh4 34.Qf1 Rh5 (34...Qb2 35.Rd4 Rd4 36.ed4 Qd4 37.Rd1 Qa4 38.Qe2–+) 35.Rd4 Rh3 36.Ke4 f5! (36...f5 37.Qf5 Qg2 38.Ke5 Re3 (38...Qb2?? 39.Qe6 Kf8 40.Rf1 Qf2 41.Rf2 Rf3 42.Rf3) 39.Re4 Qh2 40.Qf4 Qb2 41.Ke6 Re4 (41...Qc1?? 42.Qf7 Kh8 43.Qf8) 42.Qe4 Qc1 43.ab5 Qf1–+; 36...Qb2 37.Qh3 f5 38.Qf5 Qc1 39.Qe6 Kf8 40.Kf5+–) 0–1. Grott,Peter (2045) – Riepe,Bernhard (1930), DESC, 2002.

9.a3 Ba5 10.d3 b5 11.c4 bc4 12.dc4 Rb8 13.Qc2 dc4 14.Rd1 Qe7 15.Bc4 Be6 16.e4?? Rb2!–+ 17.Qb2 Bc4 18.Nbd2 Be2 19.Rdc1 Ne5 20.Ne5 Qe5 (20...Qe5 21.Qe5 Re5–+) 0–1. Paduch,Axel (1990) – Jungkind,Roland (1850), remoteschach.de, 2003.

9.a3 Bc5 10.Nc3 A) 10...b5 11.Na2 (11.Rb1 Rb8 12.a4 b4 13.Na2 Bd6 14.Nc1 Na5 15.Nd3 c5+=; 11.h3 Bf5 12.d3 Rb8 13.Re1 Qd7 14.Qd2 Qd6 15.Nd1 d4+=; 11.d3 Bb7 12.d4 Bd6 13.Bd3 Na5 14.Ne5 c5 15.Qf3 Be5–/+) 11...Bf5 12.a4 b4 13.Nc1 Qe7 14.Rb1 Bd6 15.Nb3 Ne4+=; B) 10...d4 11.Na4 (11.Nd4 Nd4 12.ed4 Qd4 13.Bf3 Qh4 14.g3 Qh3 15.Bg2 Qf5+=; 11.ed4 Nd4 12.Nd4 Bd4 13.Rb1 Qd6 14.Bf3 Be5 15.h3 c6+=; 11.Na2 Ne4 12.Nc1 de3 13.de3 Bd6 14.Nb3 Bg4 15.Rb1 Qe7+=) 11...Ba7 12.ed4 Nd4 13.Nd4 Bd4 14.Bf3 Qd7 15.Bd4 Qd4+=; C) 10...Bf5 11.d3 (11.Re1 b5 12.d3 Rb8 13.Rb1 Qd6 14.Qd2 d4 15.ed4 Nd4+=; 11.Nh4 Be6 12.Nf3 d4 13.ed4 Nd4 14.Nd4 Bd4 15.Bf3 c6+=; 11.Rb1 Qd6 12.Re1 b5 13.Qc1 d4 14.Nd1 Be6 15.a4 ba4+=) 11...b5 12.Re1 Qd6 13.d4 Bb6 14.Bd3 Ne4 15.Nh4 Bc8+=.

9.a3 Bc5 10.d4 Bd6 11.c4 (11.Nbd2 b5 12.a4 b4 13.c4 bc3 14.Bc3 Rb8 15.Qc2 Ne4=; 11.Bd3 Bg4 12.h3 Bh5 13.c4 dc4 14.Bc4 Qe7 15.Nbd2 Rad8+=; 11.Qd3 Qe7 12.Nbd2 b5 13.Qc3 Bd7 14.Bd3 b4 15.ab4 Bb4=) 11...Bf5 (11...dc4 12.Bc4 b5 13.Bd3 Bb7 14.Nbd2 Na7 15.Qc2 Qe7=) 12.c5 Be7 13.Nc3 (13.Qa4 Qc8 14.Rc1 Qd7 15.Nc3 Rab8=) 13...Ne4 (13...b6 14.Ne5 Ne5 15.de5 Nd7=) 14.h3 (14.Bd3 Nc3 15.Bc3 Bd3=) 14...h6 (14...b6 15.Rc1 bc5=) 15.Bd3 Qd7 16.Be4 (16.Qc2 Bf6+=) 16...Be4 17.Ne4 de4 18.Nd2 Qd5 19.Qc2 Bg5 20.Qc4 Qc4 21.Nc4 Ne7 22.Bc3 Nd5 23.Rfc1 Re6 (worse is 23...Nc3 24.Rc3 Rec8 25.Rb3+/–) 24.a4 Bf6 (worse is 24...Nc3 25.Rc3 b6 26.cb6 cb6 27.Ne5+/–) 25.Rab1 b6 (worse is 25...Nc3 26.Rc3 b5 27.cb6 cb6 28.Nb6+–) 26.cb6 cb6 27.Nd2 Be7 28.Kf1 f5 29.g3 Rc6 30.Bb2 Rac8 31.Nb3 Kf7 32.a5 b5 33.Rd1 (33.Rc6 Rc6 34.Rc1 Rc1 35.Bc1 Ke6–/+) 33...Bd6 34.Nc5 (34.Rdc1 Rc4–+) 34...g5 (34...b4 35.Nd7–+) 35.Rbc1 (better is 35.g4 fg4 36.hg4 Bc5 37.dc5 Rc5 38.Ba3–/+) 35...h5?? (35...Bc5 36.dc5 Rc5 37.Rd5 Rc1 38.Bc1 Rc1 39.Kg2–/+) 36.Nb7? (better is 36.Na6 Rc2 37.Rc2 Rc2 38.Rb1=) 36...Be7–/+ 37.Rc6 Rc6 38.Rc1 (better is 38.Nc5!?–/+) 38...Rc1–+ 39.Bc1 Bb4 (better is 39...Ke6!? 40.Ke2–+) 40.Bb2 (40.Ke2 Ke6–+) 40...Ke7 41.Ke2 Nc3 (41...Kd7 42.h4 gh4 43.gh4–+) 42.Bc3 Bc3 43.Nc5 Ba5 44.Na6 Kd6 45.Nc5 Kd5 46.Kd1 g4 47.hg4 hg4 48.Nb3 Bb4 49.Nd2 Ba5 50.Nb3 Bb4 51.Nd2 Ba5 (51...Ke6 52.Nb3+=) 52.Nb3 Bb4 (52...Bc3 53.Nc5+=) 53.Nd2= ½–½. pzn2pawn (1855) – stikmat (1770), redhotpawn.com, 2016.

9.a3 Bc5 10.d4 Be7 11.Nbd2 (11.c4 dc4 12.Bc4 b5 13.Ba2 Bg4 14.Qc2 Bf3 15.gf3 Na5=; 11.Bd3 Bg4 12.Nbd2 Rb8 13.Re1 b5 14.h3 Bh5 15.Rb1 Qd6+=; 11.Ne5 Ne5 12.de5 Ne4 13.Nd2 Bf5 14.Ne4 Be4 15.Bd3 Bd3=) 11...Be6 12.c4 dc4 13.Bc4 Bc4 14.Nc4 b5 15.Ncd2 Qd5=.

9.a3 Bc5 10.d4 Bf8 11.Qd3 (11.c4 dc4 12.Bc4 Bd6 13.d5 Na5 14.Ba2 Bg4 15.h3 Bh5=; 11.Ne5 Ne5 12.de5 Ne4 13.Nd2 Bf5 14.Ne4 Be4 15.f3 Bf5=; 11.Nbd2 Bf5 12.c4 dc4 13.Nc4 b5 14.Nce5 Ne5 15.Ne5 c5=) 11...Bd6 12.Nbd2 Ne4 13.c4 dc4 14.Nc4 Bf5 15.Nd6 cd6=.

9.a3 Bc5 10.Re1 A) 10...Bf5 11.c3 (11.d4 Bd6 12.Nbd2 b5 13.c3 Na7 14.a4 Ne4 15.Ne4 de4+=; 11.d3 d4 12.ed4 Nd4 13.Nbd2 b5 14.Nb3 Ne2 15.Re2 Be7=; 11.Nc3 b5 12.d3 Qd6 13.d4 Bb6 14.Bd3 Ne4 15.Nh4 Bc8+=) 11...Qe7 12.d4 Bd6 13.Nbd2 b5 14.a4 b4 15.c4 Qd7=; B) 10...Qe7 11.d3 (11.Nc3 Bd6 12.Qb1 Ne5 13.d4 Ng6 14.Bd3 Bg4 15.Nd2 b5+=; 11.d4 Bd6 12.Nbd2 b5 13.a4 b4 14.c4 bc3 15.Bc3 Rb8=; 11.h3 Be6 12.Ng5 Bf5 13.Nc3 Bd6 14.d3 h6 15.Nf3 b5+=) 11...Be6 12.Nbd2 b5 13.c4 dc4 14.dc4 b4 15.Bf6 Qf6=; C) 10...Be6 11.Nc3 (11.Ng5 Bf5 12.Nf3 d4 13.ed4 Nd4 14.Nd4 Bd4 15.c3 Bb6+=; 11.d4 Bd6 12.Nbd2 Ne4 13.Ne4 de4 14.Nd2 f5 15.Nc4 Bf8+=; 11.Ne5 Ne5 12.Be5 Bd6 13.Bd6 Qd6 14.d4 Bf5 15.Bd3 Be4+=) 11...d4 12.Na4 Ba7 13.ed4 Nd4 14.Nd4 Bd4 15.Bf3 Rb8+=.

9.a3 Be7 10.c4 dc4 11.Bc4 Na5 12.Ba2 c5 13.Ne5 Rf8 14.d4 cd4 15.Bd4 Bf5 16.Qa4 (16.Qf3 Be4 17.Qg3 Nc6 18.Nc6 Bc6=) 16...b5 17.Qd1 Rc8 18.Nd2 Bc2 19.Qf3 Ba4 20.Qf5 Nc6 21.Nc6 Rc6 22.Nf3 Qc8 (worse is 22...Ba3 23.Ne5 Qc8 24.Qd3+/–) 23.Qc8 Rfc8 (better is 23...Rcc8!? 24.Ne5 Bc2=) 24.Ne5+/– Rc2 25.Bf7 Kf8 26.Be6 R8c7 27.Bf5 Re2 28.Bd3 (28.Nf3!?+/–) 28...Rd2+= 29.Bf5 g6 (better is 29...Re2=) 30.Nf3+/– Rd4 31.Nd4 gf5?? (better is 31...Rc3 32.Ne2 Ra3 33.Ra3 Ba3+–) 32.Ne6 (32.Ne6 Kf7 33.Nc7+–) 1–0. Lothal,Guenter (1870) – Holz auf der Heide,Gerhard, Leipzig VfB op, 2003.

9.a4 h6 10.c3 Bf8 11.c4 Bf5 12.cd5 Nd5 13.d3 Ndb4 14.Ne1 Ne5 15.e4 Bd7 16.f4 Nec6=+ 17.Kh1 Na5 18.Nd2 b5 19.ab5 ab5 20.f5 c5 21.e5 Nd5 22.Nc2 Bc6 23.Bh5= Qg5? 24.Ne4+– Ne3?? 25.Ng5 Bg2 26.Kg1 Nd1 27.Bf7 Kh8 28.Rfd1 Re5 29.Be5 hg5 30.Kg2 Ra7 31.Bd5 Re7 32.Re1 (32.Re1 Ra7 33.Bg3+–) 1–0. Danek,Vaclav – Svec,Ludek, Klatovy op–B, 2003.

9.Nc3 d4 10.Nb1 de3 11.de3 Qe7 12.Nbd2 Nd5 13.Bd3 Nc3 14.Qc1 Bg4 15.a3 Ba5 16.h3 Bf3 17.Nf3 Rad8 18.Qe1 Qc5 19.Bc1 h6 20.Bd2 Re7 21.Kh1 Rdd7 22.Qc1 Re8 23.Qb2 Rb8 24.Qb3 b5 25.Rae1 Rbd8 26.Rg1 Nd5 27.Rd1 Bd2 28.Rd2 Nc3 29.Re1 a5 30.Qb2 b4 31.ab4 Qb4 32.Qa1 a4 33.e4 a3 34.e5 Qb2–+ (34...Qb2 35.h4 Qa1 36.Ra1 a2–+) 0–1. Rego,Sandro (1955) – Frost,Lionel (2115), Q1.1998.0.00057, 1998.

9.c4 dc4 10.Bc4 b5 11.Bb3 Bg4 12.d4 Na5 13.Bc2 (better is 13.Nbd2!?+=) 13...Nc4–/+ 14.Bc1 c5 15.dc5 Qa5 16.a3 Bc5 17.Nbd2 Qc3 (17...Na3 18.Nb3 Bf3 19.gf3+– (19.Na5 Bd1 20.Bd1 b4+=)) 18.Rb1 Rad8 (18...Rad8 19.Rb3 Qa5–+) 0–1. baitang (1975) – chandragupta (2150), gameknot.com, 2015.

9.c4 dc4 10.Bc4 b5 11.Be2=+ Bd6 12.d4 Rb8 13.Nc3 Bb7 14.Qc2 =+.

9.c4 dc4 10.Bc4 Bg4 (10...b5 11.Be2=+ Bd6 12.d4 Rb8 13.Nc3 Bb7 14.Qc2=+) 11.a3 (11.Qb3 Qe7= (11...Bh5 12.Ng5 Qe7 13.a3 Bd6 14.Bd3=+) 12.Ng5 Bh5 13.a3 Bd6 14.Bd3=+) 11...Bd6=+ 12.d4 (12.h3 Bh5 13.d4 b5 14.Be2=) 12...Na5 (12...b5 13.Bd3 Qd7 14.Nbd2=) 13.Bd3 b5 (13...Qd7 14.Nbd2=) 14.h3 (14.Nbd2=) 14...Bh5 15.Nbd2 Bg6 16.Bg6. Lorentzen,Oeystein – Rohde,Friedhelm, corr 3GMM½–03, 1998.

9.c4 Ne4 10.d3= Nc5 (10...Nf6 11.a3 Be7 12.Nbd2=) 11.cd5 Qd5 12.Qc2 Bg4 13.Rd1 Rad8 (13...Qd6 14.Nbd2 Bd2 15.Rd2+=) 14.Nc3 (14.h3 Bf3 15.Bf3 Qf5 16.Bc6 bc6=) 14...Qf5 15.Rac1 Ne6 (15...Qg6 16.Nh4 Qg5 17.Nf3=) 16.d4 (16.h3 Bh5+/–) 16...Ne7 (16...Qc2 17.Rc2 Ne7 18.a3+=) 17.Qb3 (17.Ne4 Ng6 18.a3 Bd6 19.Nd6 Qc2 20.Rc2 Rd6+=) 17...Bc3= 18.Bc3 b6 (18...Ng5!? 19.Ng5 Be2=) 19.Bb4 Nd5 20.Ba3?? (20.h3!? Bf3 21.Bf3 Nb4 22.Qb4+/–) 20...Ng5?? (better is 20...Nef4 21.ef4 Re2–+) 21.Qc2 Qc2 22.Rc2= Nf3 23.gf3+= Bc8 24.Bd3 Re6 25.Bc4 c6 26.e4 Rg6= 27.Kf1 Nf4+= 28.d5 cd5 29.Bd5 Bh3 30.Ke1 Rg1 31.Kd2 Rd1 32.Kd1 Nd5 33.ed5 Rd5 34.Ke2 f6 35.f4 Be6 36.Rc6 Bg4 37.f3 Ra5 38.fg4+= Ra3 39.Rb6 Ra2 40.Ke3 a5 41.Ra6 a4 42.h4 Ra1 43.Kf2 Kf7 44.h5 a3–/+ 45.Kg2 a2–+ 46.g5 Ke7 47.g6?? hg6–+ 48.hg6 Kd7 49.f5 ½–½. Figiel,Rafal – Dyrda,Konrad, XI Szachowe Mistrzostwa Polski Duchowienstwa Poland, 2012.

9.c4 Bf5 10.Qb3 dc4 11.Bc4 Qe7 12.a3 Bd6 13.Nc3 Na5–/+ 14.Qa4 Nc4 15.Qc4 Rad8 16.Qh4 Bd3 17.Rfc1 Qd7 18.h3 Qf5 19.Qg5 Qg5 20.Ng5 Nd7 21.Nd1 Nc5 22.Rc3 b6 23.f4 Be7 24.Nf3 Be2 25.Rc2? Nb3–+ 26.d4 Bf3 27.gf3 Na1 28.Ba1 Ba3 29.Rc7 Rc8 30.Rc3 Rc3 31.Bc3 b5 32.d5 Bc5 33.Kf2 b4 34.Be5 f6 (34...f6 35.Bc7 b3–+) 0–1. Geisensetter,Kurt – Bouterweck,Peter, corr GER jub50 qJVM36, 1996.

9.d3 b5 10.Nbd2 Qe7 11.c4 bc4 12.dc4 dc4 13.Bc4 Rb8 14.Qc2 Be6 (Better is 14...Bd2 15.Nd2 Be6=) 15.Be6+– Qe6 16.Ng5 1–0. Fritz 8 – NN, 2003.

9.d3 b6 10.Nbd2 Bb7 11.a3 Bd6 12.c4 Ne7 13.Bf6+= gf6 14.Qc2 Ng6 15.Rfe1 dc4 16.Nc4 Bf8 17.Red1 Bg7 18.Rab1 Qe7 19.Nd4 Qc5 20.Bg4 Rad8 21.Bf3 Bf3=+ 22.gf3 f5 23.Nb3 Qc6 24.Qe2 Nh4–+ 25.e4 Qg6 26.Kf1 Qg2 (26...Qg2 27.Ke1 Nf3 28.Qf3 Qf3–+) 0–1. Trkn – Chuck, itsyourturn.com, 2001.

9.d3 Bd6 10.Nbd2 Ne5 11.h3 b5 12.e4 (12.Ne5!? Be5 13.Be5 Re5 14.d4=) 12...de4+= 13.Ne4 Ne4 14.de4 Bb7 15.Bd3 Nf3 (15...c5 16.Be5 Be5 17.Ne5 Re5 18.f4 Qd4 19.Kh2+=) 16.Qf3+= Qh4 17.Rae1 Be5 18.Be5 Re5 19.Re3 (19.Qe3 Re7+=) 19...Rae8 20.Rfe1 c5 (20...f5!?–/+) 21.c4+= b4 22.Qg4 Qg4 23.hg4 Rd8 24.f3 a5 25.Rd1 Ba6 26.Rb1 (26.Ree1 Ree8+=) 26...Rd4 27.Rc1 Re8 28.Bf1 Red8 29.Ree1 Kf8 30.Kf2 h6 31.Kg3 Rd2 32.Ra1 R8d4 33.Rec1 Rb2 34.a4 (34.Rd1 Rd1 35.Rd1 Ke8–/+ (35...Ra2?! 36.Rd8 Ke7 37.Ra8=)) 34...Rdd2 35.Rd1 Ke7 36.Rd2 Rd2 37.Kf4 Rc2 38.Ke3 (38.Ke5 Bc4 39.Bc4 Rc4–+) 38...Bc4 39.Bc4 Rc4 40.Kd3 (40.Kd2 Rd4 41.Kc2 c4–+) 40...Rc3 41.Kd2 c4 42.Ra2 Rd3 43.Kc1 (43.Ke2 Ra3 44.Rc2 c3–+) 43...b3 (43...c3!? 44.Re2 b3 45.Rc2–+) 44.Rb2 Kd6 45.f4 Kc5 46.e5 Rd4 47.g3 Rd3 48.Rd2 (48.Rg2–+) 48...Rd2 49.Kd2 Kd4 (49...Kd4 50.Kc1 Kc3–+) 0–1. Mauron,Regis – Habunek,Patrick (1785), 12e Tournoi de Nol, 2009.

9.d3 Qe7=+ 10.a3 Bc5 11.Nbd2 h6 12.d4 Ba7 13.c4 Bf5 14.Rc1 Rad8 15.c5 Ne4 16.Nb3 Bb8 17.Bc3 Nc3 18.Rc3 Na7 19.c6 Nc6=+ 20.Ba6 ba6 21.Rc6 Bd7 22.Na5 Qa3= 23.Rc5 Ba7 24.Rd5= c6 25.Rd7 Rd7=+ 26.Nc6 Bb8 27.Qa1 Qa1 28.Ra1+= Rb7 29.g3 Rb6 30.d5 Bd6 31.Nfd4 g6 32.Rc1 Kg7 33.Rc2 Be5 34.Ne6? fe6–+ 35.Ne5 ed5 36.Rc7 Kg8 37.Ng4 g5 38.f4 h5 39.Ne5 g4 40.h3 Rb1 41.Kh2 Rb2 42.Kh1 gh3 43.g4 Re5 (44.fe5 hg4–+; 43...hg4!? 44.Ng4 Kf8 45.Nf6 Re3 46.Nh7 Ke8 47.Nf6 Kd8 48.Rd7 Kc8 49.Rc7 Kb8 50.Rg7 Re1 51.Rg1 Rg1 52.Kg1–+) 0–1. Caminade,Christian (2180) – Demarre,Jacques (2295), Paris–ch op, 1991.

9.d4 Bd6 10.Nbd2 b5 (10...Bf5 11.c4 Be7 12.Rc1 dc4 13.Bc4 Na5 14.Be2 Rb8=; 10...b6 11.a3 (11.c4 Bf5 12.Rc1 Qd7 13.cd5 Nd5 14.Nc4 b5=; 11.Qc1 b5 12.a4 Rb8 13.ab5 ab5 14.Re1 Bf5=+; 11.Re1 Bf5 12.Nh4 Be6 13.Nhf3 Ne4 14.c4 Bb4=+) 11...Bg4 12.c4 Ne7 13.Rc1 Ne4 14.Ne4 de4=; 10...Be6 11.c4 (11.Ne5 Be5 12.de5 Ne4 13.f4 Bf5 14.Ne4 Be4=+) 11...dc4 12.Nc4 Be7 13.Nce5 Bd5 14.Rc1 Rb8=) 11.a4 b4 12.c4 bc3 13.Bc3 Bf5 14.Rc1 (14.Nh4 Bd7=) 14...Qe7 15.a5 Ne4 16.Qa4 Nc3 17.Rc3 Nb4 18.Rfc1 Rec8 19.Nb3 Bd7 20.Qa1 Rab8 21.Qb2 Bb5 22.Nc5 Bc4 23.Qa3?? (better is 23.Bc4 dc4 24.Qa1=) 23…Be2–+ (23...Be2 24.Ne5 Rb5–+) 0–1. von Saleski,Marcel – Lagemann,Tobias (2080), DESC, 2001.

9.d4 Bf5 10.c4 dc4 11.Bc4 Na5 12.Bd3= Bd3 13.Qd3 c5 14.a3 c4 15.Qf5 Bd6 16.Nbd2 b5 17.Rfe1 Rc8 18.Rac1 g6 19.Qb1 Nd5 20.e4 Nf4 21.e5 Be7 22.Rc2 Qd7 23.Nf1 Nb3 24.Rd1 Red8 25.Ne3 Qb7 26.Kh1 Qe4 27.Nf1 Nd3 28.Ng3 Qg4 29.Kg1 f6 30.Re2=+ Qe6 31.Bc3 Qd5 32.Ne4 f5 33.Ned2 Nd2 34.Bd2 Kg7 35.Qa1 h6 36.Re3 Qc6 37.Re2 g5 38.Ne1 Qb6 39.Bc3 Nf4 40.Ra2 Nd5 41.Nc2 f4 42.Bb4 a5 43.Be7 Ne7 44.Qc3 Nd5 45.Qe1 Rb8 46.e6 Qd6 47.Qa5 Qe6 48.Re1 Qc6 49.Rb2 Qb6 50.Qb6 Rb6 51.Re5 Nc3 52.a4 Kf6 53.g4 fg3–+ 54.fg3 Rd4 55.Nd4 Ke5 56.a5 Ra6 57.Nb5 Nb5 58.Rb5 Kd4 59.Kf2 c3 60.Ke2 Kc4 61.Rb6 Ra5 62.Rh6 Rd5 63.Rc6 Kb3 64.h4 c2 65.Rb6 Kc3 66.Rc6 Kb2 67.Rb6 Kc1 68.h5 g4 69.h6 Rd2 70.Ke1 Rh2 71.Rc6 Kb2 72.Rb6 Kc3 73.Rc6 Kd3 74.h7 Rh7 75.Rd6 Ke3 76.Re6 Kf3 77.Kd2 Rh2 78.Kc1 Rf2 79.Rg6 Kg3 80.Rg8 Kh3 81.Re8 g3 82.Rh8 Kg2 83.Rg8 Kh2 84.Rh8 Kg1 85.Rg8 g2 86.Rd8 Kf1 87.Rg8 g1Q 88.Rg1 Kg1 89.Kb2 Kf1 90.Kc1 Ke1 91.Kb2 Kd2 92.Kb3 Rf4 93.Kb2 c1Q 94.Kb3 Qc2 95.Ka3 Ra4# 0–1. Kaminski,Roman – Steinmann,Joachim, corr 3GMM½–07, 2000.

9.d4 Bg4 10.c3 Bd6 (10...Be7 11.c4=) 11.Nbd2 Ne4 (11...Bf5 12.c4=) 12.c4 Nd2 (12...Bb4 13.Rc1=) 13.Nd2 Be2 14.Qe2 Qh4 (14...Qf6 15.cd5 Nb4 16.e4 Nd5 17.e5=) 15.g3+= Qg5 (15...Qf6 16.cd5 Nd4 17.Qg4 Ne2 18.Qe2 Qb2 19.Qd3+=) 16.Qf3 dc4 (16...Bb4 17.cd5 Ne7 18.Rfd1+=) 17.Nc4 Rad8 (17...Na5 18.Na5 Qa5 19.Qb7+/–) 18.Rab1+/– Rd7 (18...h5 19.Bc3 Rb8 20.e4+/–) 19.Bc3 (19.e4 Qf6 20.Qf6 gf6+/–) 19...Nd8 20.a4 (20.d5 h5+/–) 20...Qg6 21.Qe2 Qe4 (21...b6 22.Nd6 Rd6 23.Qa6+/–) 22.Rfd1 (22.f3 Qc6 23.a5 f5+/–) 22...f6 (22...f5 23.f3 Qd5 24.Kg2+/– (worse is 24.Nd6 cd6 25.Kg2 Rde7=)) 23.f3 Qg6 (23...Qe7 24.e4+/–) 24.e4 (24.Nd6?! cd6 25.e4 d5=) 24...Kh8 (24...c6 25.a5+/–) 25.a5 (worse is 25.Nd6 cd6 26.Rbc1 d5+=) 25...Bf4 (25...c6 26.Rb2+/–) 26.Qf2 White plans d5 (26.Qg2 Qf7 27.Qh3 Bd6+–) 26...Qf7 (26...c6 27.d5 cd5 28.Nb6+/– (worse is 28.ed5 Rc7 29.Qf1 Bg3+=)) 27.d5 (27.gf4?! Qc4 28.Qe3 c5+=) 27...Bh6 (27...Be5 28.Bd4+–) 28.Bd4 Qg6 (28...Qh5 29.h4+–) 29.Qg2 Ree7 (29...Qh5 30.Rd3+–) 30.Bc5 Re8 31.Qh3 Qf7 32.Bd4 Ree7 33.Kg2 Qg6? (33...Bg5+–) 34.Bc5 Rf7 (34...Qf7 35.Be7 Qe7+–) 35.d6 cd6 36.Nd6 (36.Nd6 f5 37.Nf7 Qf7 38.Qf5 Qf5 39.ef5 Rd2 40.Kh3+–) 1–0. Janek – esson, internet free game, 2017.

9.d4 Bg4 10.h3 Bh5 11.Nbd2 Ne4 12.Ne4 de4 13.Nd2 Be2 14.Qe2 Bd2 15.Qd2 Qd5 16.Rfc1 Ne5 17.Qb4 Nc4 18.a4 a5 (worse is 18...Nb2 19.Qb2 Rab8 20.c4=) 19.Qb3 Ra6 20.Ba3 Rb6 21.Qa2 Rg6 22.c3 (better is 22.Rcb1!?+=) 22...Qg5–+ 23.g3 Ne3 24.Rcb1?? (better is 24.Qd2 Nd5 25.Qg5 Rg5 26.c4–/+) 24...Qf5 (24...Qh5 25.Bc1 (25.fe3 Rg3 26.Qg2 Rg2 27.Kg2 Re6 28.Rg1 Rh6 29.Kf1 Qh3 30.Ke2 Qf3 31.Ke1 Qe3 32.Kd1 Rh2 33.Rg7 Kg7 34.Bf8 Kf8 35.Rb1 Qd2) 25...Qd1 26.Kh2 Nf1 27.Kg2 Ng3 28.Bg5 Qf3 29.Kh2–+) 25.Bc1 Nd1 26.Qc2 Qf3 Black prepares the advance e3 27.Bf4 Qf4 (27...Nc3 28.Re1 Nd5 29.Be3 Ne3 30.Re3 Rg3 31.fg3 Qe3 32.Qf2–+) 28.Qd1 (28.Rd1 Qf3 29.Kh2–+) 28...e3 29.Ra2 (29.Kh1 Qf2 30.Qg1–+) 29...ef2 0–1. Cano Sevila,Ivan (1870) – Lopez Perdomo,J (2055), XVII Sant Marti Open, 2015.

9.a3 Bd6

10.c4 dc4 11.Bc4 Na5 12.Ba2 c5 13.Qc2 b5 14.a4 Bb7–/+ 15.Ng5 Bh2 16.Kh1 c4 17.Bf6 Qf6 18.Qh7 Kf8 19.Qh5 Ke7 20.Nc3 Bc7 21.Nh7 Qe5 22.Qh4 g5 23.Qg5?? Qg5–+ 24.Ng5 Rh8 25.Nh3 Rh3 (25...Rh3 26.Kg1 Bh2 27.Kh1 Bf3 28.Nd5 Bd5–+) 0–1. Lielmezs,Girts – Malmstroem,Jan (1915), TE.2004.P.01711, 2004.

10.c4 dc4 11.Bc4 b5 12.Be2 Na5 13.d4 Bf5 14.Nbd2 Rb8 15.a4 =.

10.c4 dc4 11.Bc4 Bf5 12.d4 b5 13.Ba2 Qd7 14.d5 Ne5 15.Ne5 Be5 16.Be5 Re5 17.Nc3 c5 18.Qd2 (18.dc6!? Qc6 19.Rc1=) 18...Rae8 19.Rae1 c4 20.e4? (better is 20.Bb1–/+) 20...Ne4–+ 21.Ne4 Be4 22.Qa5 (22.d6 Bd3 23.Re5 Re5 24.Re1 Re1 25.Qe1 Qd6 26.Qc1–+) 22...Bg2! (worse is 22...Qd5 23.Rd1 Qc6 24.f4 Qc5 25.Rf2–+) 23.Kg2 Qg4 24.Kh1 Qf3 25.Kg1 Rg5# 0–1. Neumann,Frank – Chiriffe,Rosa, OP–2011–0–01837, 2011.

10.c4 Be6 A) 11.cd5 Bd5 12.d3 Ng4 13.Qc2 Bf3 14.Bf3 Bh2 15.Kh1 Nge5–+; B) 11.Qc2 dc4 12.Bc4 Bc4 13.Qc4 Qe7 14.d3 Rad8 15.Nbd2=.

10.d3 Bf5 11.Nbd2 b5 12.c4 dc4 13.dc4 Rb8 14.Rc1 b4 15.c5 Be5 16.Be5 Ne5 17.Nd4 Bg4 18.Bg4 Nfg4 (18...Neg4? 19.Nc6 Qd5 20.Nb8 Rb8 21.ab4 Rb4 22.Nf3+–) 19.Nc6?? (19.Qe2 a5 20.h3+/–) 19...Nc6–+ 20.Qg4 Qd2 0–1. Benassi,Aspasio (2140) – Hlavica (2100), SA–2012–0–00269, 2012.

10.h3 Bf5 11.d3 h6 12.Nbd2 Ne7 (12...b5 13.c4=) 13.c4 (13.Bf6 gf6 14.c4 b5+=) 13...dc4 14.Nc4 Ng6 15.Nd6 Qd6 16.e4 Bd7 17.e5 (17.e5 Qe6 18.ef6 Qe2 19.Qc1 Bh3 20.fg7+/– (20.gh3 Qf3 21.Re1 Nf4 22.Re8 Re8–+)) 1–0. Pirs,Matjaz (2470) – Gall,Cordula (2250), RSS5E NoEngine–24, 2007.

8.0–0 b6

9.c4 Bb7 10.a3 Be7 11.cd5 Nd5 12.Qc2 Bf6 13.d4 Nce7 14.Nbd2 Rc8 15.Bc4 c5 16.Qb3 cd4 17.e4 Rc4 18.Nc4 Nf4 19.e5 Nf5? (better is 19...Qd7!? 20.Nd4 Nc6 21.Nc6 Qc6+/–) 20.ef6+– Ng2 21.Rfd1 (21.Kg2 Nh4 22.Kg3 Nf3 23.Qf3 Bf3 24.Kf3 Qf6 25.Kg2 Qc6 26.Kg1 Qc4–+) 21...Qf6 22.Bd4 (22.Nd4 Nf4 23.Nf5 Qf5–+) 22...Nd4 23.Nd4 Nf4 24.Qg3 (24.Re1 Re4 25.Nd2+–) 24...Rd8 25.Qe3 Qg5 26.Qg3 ½–½. forsetinn (1965) – bakunnin (1765), gameknot.com, 2013.

9.c4 Bb7 10.d4 Na5 11.Nbd2 Rc8 12.Qa4 c5 13.cd5 Bd5 14.Rac1 Bc6 15.Bb5 Qd5 16.Bc6 Rc6 17.Nb3 Nb3 18.Qb3 Qb3 19.ab3 Rec8 20.Ne5 R6c7 21.Nd3 Ne4 22.Rc2 Ba5 23.Rfc1 Bd2 24.Ra1 Bb4 25.f3 Nf6 26.Rac1 Ne8 27.d5 a5 28.e4 f6 29.f4 b5 30.e5 c4 31.Nb4 ab4 32.d6 Rd7 33.bc4 bc4 34.Rc4 Rb8 35.Rc8 Rd8?? 36.Rb8 Rb8 37.d7 1–0. Lorenc,Tomas (1975) – Titera,Libor (1950), CZE–chT2V, 1999.

9.d3 Bb7 10.Nbd2 Qe7 11.c4 Rad8 12.Rc1 d4 13.e4 Ba3 14.Qb3 Bb2 15.Qb2 Nh5 16.g3 g6 17.Nb3 f5 18.Rce1 fe4 19.de4 Qe4 20.Nc5 bc5 21.Qb7 Nb4 22.Qc7 Qe7 23.Qe7–/+ Re7 24.Bd3 Re1–+ 25.Ne1 Na2 26.Nc2 Rb8 27.Re1 Rb3 28.Re8 Kf7 29.Ra8 Rd3 30.Ra7 Ke6 31.Ra2 Rc3 32.Kf1 Rc4 33.Ke2 Nf6 34.Ne1 Nd5 35.Ra6 Kf5 36.h3 h5 37.g4 hg4 38.hg4 Kg4 39.Rg6 Kf5 40.Rc6 Nf4 41.Kd2 Ke4 42.Rc8 Rc3 43.Re8 Kd5 44.Rd8 Kc4 45.Rf8 Nd3 46.Nc2 Nb4 47.Ne1 Ra3 48.Nf3 Ra2 49.Kd1 Kc3 50.Ng5 d3 51.Ne4 Kd4 52.Nd6 Nd5 53.Nb5 Kc4 54.Nd6 Kc3 55.Nb5 Kb4 56.Rb8 Nc3 57.Nc3 Kc3 58.Rh8 Ra1# 0–1. Teichmann,Erik (2365) – West,Guy (2410), Australian Masters, 1998.

8.0–0 Rb8

9.a4 Qe7 10.c3 Bd6 11.d4 Na5 12.Nbd2 c6 13.c4 Bb4 14.Qc2 Ne4 15.cd5 cd5 16.Ne4 Bf5 (worse is 16...Qe4 17.Bd3 Qe6 18.Bh7 Kf8 19.Bd3+–) 17.Bc3 Be4 18.Qb2 Nc6 19.Rfc1 Rbc8 20.Bb4 Nb4 21.Rc8 Rc8 22.Rc1 Rc1 23.Qc1 g6 24.a5 Kg7 25.h3 Nd3 26.Bd3 Bd3 27.Qc8 Be2 28.Ne5 Bb5 29.Qb8 a6 30.Kh2 Bf1 31.Nf3 Be2 32.Kg3 f6 33.Nd2 Bd1 34.Kh2 h5 35.h4 Ba4 36.Nf3 Bd1 37.Ng1 Bg4 38.Nh3 Bh3 39.Kh3 Qd7 40.Kh2 Qe7 41.Qc8 Qd6 42.g3 Qe7 43.Kh3 Kf7 44.g4 hg4 45.Kg4 f5 46.Kg3 Kg7 47.Qb8 Kh7 48.Qf4 Qd8 49.h5 b5 50.ab6 Qb6 51.Qe5 gh5 52.Qd5 Qf6 ½–½. capablancaven (2225) – forsetinn (2220), gameknot.com, 2014.

9.Nc3 a6 +=.

9.Nc3 Ne4 =+.

9.c4 dc4 10.Bc4 b5 11.Be2 Bd6 12.Nc3 a6 13.Rc1 Na5 14.d3 c5 15.Ng5 Bf5 16.Kh1 (16.Nge4 Ne4 17.Ne4 Be4 18.de4 Re4–/+) 16...Qe7 (16...c4 17.Nce4 cd3 18.Bf6 gf6 19.Bd3+=) 17.Bf3 (17.h3 Rbd8–/+) 17...Be5–/+ 18.Ba1 (better is 18.Qc2!?–/+) 18...Rbd8–+ 19.Nce4 (19.e4 Bg6 20.Qd2 h6–+) 19...Ne4 20.Ne4 Ba1 21.Ra1 c4 (21...Be4?! 22.Be4 c4 23.Qc2–/+) 22.Qb1 (22.Qe1 Qc7–+ (22...Rd3 23.Ng3+/–)) 22...Rd3 23.Ng3 Bg6 24.e4 Qa3 (better is 24...Rd2–+) 25.Qc1?? (25.Rd1–+) 25...Rf3 26.gf3 (26.Kg1 Qc1 27.Rfc1–+) 26...Qf3 27.Kg1 Be4 28.Ne4 Re4 (28...Qe4?! 29.Re1 Qg6 30.Kf1 Qd3 31.Kg2–+) 29.h3 (29.Qg5 Rg4 30.Qg4 Qg4 31.Kh1 c3–+) 29...Qh3 30.f3 (30.Qg5 Rg4 31.Qg4 Qg4 32.Kh2–+) 30...Qg3 31.Kh1 Rh4 0–1. jeich (1855) – forsetinn (2345), gameknot.com, 2014.

9.d3 b5 10.a3 Bd6 11.Nc3 a6 12.Re1 h6 13.g3 Bg4 14.Nd4 Nd4 15.ed4 Be2 16.Ne2 Qd7 17.Qd2 Qh3 18.f3 Nh5 19.Nc3 Re1 20.Re1? (better is 20.Qe1 Nf6 21.Qd2+=) 20...Bg3–+ (20...Bg3 21.Re3 Bf4 22.Nd5 Be3 23.Qe3 f6–+) 0–1. marekt (2070) – forsetinn (2205), gameknot.com, 2014.

9.d4 Qe7 10.c4=+.

9.d4 Ne7 10.c4 (10.Ba3 Ba3 11.Na3 Bf5=) 10...c6 (10...dc4 11.a3 Bd6 12.Bc4=) 11.Nc3 (11.Bc3 Bd6=) 11...Bg4 12.Ne5 (12.Qb3 Qa5=) 12...Be2 13.Qe2 Bd6 (13...Nd7 14.Rac1=) 14.f4 (14.Rfb1 Qc7=) 14...Bc7 15.cd5 Ned5 16.Rab1 Nc3 17.Bc3 Nd5 18.Bd2 Nf6 19.Qc4 Qd5 20.Qd5 Nd5 21.e4 Nb6 22.Rfe1 f6 23.Nf3+= Nc4 24.e5 fe5 25.fe5 Nd2 26.Nd2 c5 27.Rec1 ½–½. Houdek – Heyn, corr 3GMM–17, 1995.

8.0–0 Qd6

9.Nc3 Be6 10.Nb5 Qd8 11.Bf6 gf6 12.Rb1 Be7 13.Nc3 b6 14.Bb5 Qd6 15.Nd4 Nd4 16.Be8 (16.ed4?! c6 17.Ba6 Rab8=) 16...Nf5 17.Ba4 Kh8 18.Nb5 Qe5 19.d4 Qe4 20.Nc7 (20.Rb3 Nh4 21.f3 Qg6+–) 20...Rc8? 21.Ne6+– fe6 22.Re1 Nh4 23.f3 Qg6 24.g3 Rg8 25.e4 de4 26.Re4 Bd6?? 27.Rh4 Bg3 28.Rg4 Bh2 29.Kh2 Qh5 30.Kg3 Rg4 31.fg4 1–0. Bonetti,Shane – DrD (1635), ICC, 2002.

9.d4 Bg4 10.Nbd2 Qd7 11.c4 Rad8 12.c5 b6 13.cb6 ab6 14.Rc1 Na5 15.Ne5 Be2 16.Qe2 Qe7 17.Nb3 Nb3 18.ab3 Qd6 19.Rc6 Qe7 20.Rfc1 Rc8 21.Qc2 Bd6 22.f4 Ne4 23.Nd3 Ra8–/+ 24.Ra1 Qh4 25.Nf2 Nf2 26.Qf2 Qf2 27.Kf2=+ Ra1 28.Ba1 Ra8 29.Rc1 ½–½. Loulou – pswinfo, HCL–A1172 playchess.de, 2003.

8.0–0 Bd6

9.Na3 Ne5 10.Nb5 Nf3 11.Bf3 c6 12.Nd6 Qd6 13.d3 Bf5 14.a4 Re6 15.a5 Nd7 16.e4 Rh6 17.h3 Bh3 (17...Be6!?+=) 18.gh3+/– Rh3 19.Re1 Qh2 20.Kf1 d4 21.Bd4 c5 22.Be3 Ne5 23.Bg2 Rd8 (23...Rh4 24.Qe2 (24.Bc5?! Rg4=) 24...Rc8 25.Reb1+–) 24.Rb1 (24.Bh3?! Qh3 25.Ke2 c4+–) 24...c4 25.d4 (25.Ba7?! Rh6 26.f3 cd3 27.cd3 Nd3 28.Rb7 Rhd6+–; 25.Bh3?! Qh3 26.Ke2 cd3 27.cd3 Qf3 28.Kf1 Qh1 29.Ke2 Qf3 30.Kf1 Qh1 31.Ke2 Qf3=) 25...Ng6 26.Rb7 (26.Bh3?! Qh3 27.Ke2 Qg4 28.Kd2 Qe4+–) 26...Nh4 27.Qg4 (27.Qg4 Ng2 28.Qg2+–; 27.Bh3?! Qh3 28.Ke2 Qg4 29.Kd2 Qe4+–) 1–0. Raffzahn – jaddwarrior, chessworld.net, 2012.

9.Nc3 a6 =+.

9.c4 Ne5 10.cd5 Nd5 11.Nc3 Nb6 12.Ne5 Be5 13.f4 Bd6 14.Qe1 Bf8 15.f5 a6 16.f6 g6 17.Rd1 Re6 18.Qh4 Bd7 19.Ne4 h6 20.Bd4 Na4 21.Bc4 Rc6 (21...Re8 22.Bb3 Bc6 23.Ng5+/–) 22.Bb3 (better is 22.Bd5!?+–) 22...Nb6+/– 23.Qg3 Bf5?? (better is 23...Be6 24.Rc1 Rc1 25.Rc1 Bb3 26.ab3 Qd5+=) 24.Rf5+– Kh7 (24...Nc4+–) 25.Bf7 g5 (25...Rf6 26.Rf6 a5 27.Qg6 Kh8 28.Qg8) 26.Ng5! hg5 (26...hg5 27.Qg5 Mate attack) 27.Qg5 Bh6 (27...Rc2 28.Qg6 Kh8 29.Qg8) 28.Qg6 Kh8 29.Qh6 1–0. Ranby,Hans (1955) – Greibrokk,Ingrid Andrea, Copenhagen DEN, Politiken Cup, 2013.

9.c4 Be6 10.cd5 Bd5 11.Bf6 Qf6 12.d4 Qh6 13.g3 Qh3 14.Nc3 Be6 15.d5 Ne5 16.de6 Nf3 17.Bf3 Re6 18.Bb7 Rh6 19.Re1 Qh2 20.Kf1 Bg3 21.Ne4 Qh3 22.Ke2 Qg4 23.Kd2 Rd8 24.Kc2 Rd1 25.Rad1 Bd6 26.Rg1 Qe2 27.Rd2 Qc4 28.Nc3 Rf6 29.Rb1 g6 30.Bd5 Qh4 31.Ne4 Rf5 32.f3 Qe7 33.Rb8 Kg7 34.Rb7 Bb4 35.Rd3 a5 36.a3 Ba3 0–1. hal1958 – AdamPerring, playchess.de, 2002.

9.c4 Be6 10.cd5 Nd5 11.Nc3 Nce7 12.Ne4 c6 13.Nfg5 Bf5? (13...Nc7) 14.d3? Bc7 15.Nf7? Kf7 16.Ng5 Kg8 17.e4 Nc8! 18.Nf3 Nf4 19.ef5 1–0. Sternik – Bothe, corr SOK–90–57 (Sternik).

9.c4 Bg4!? Sternik.

9.d3 a5 10.Nc3= Bg4 (10...Be7 11.Rb1=) 11.Nb5 (11.h3 Bf3 12.Bf3 d4+=) 11...a4 (11...Ra6 12.h3 Bh5 13.Bc3=) 12.Rb1+= b6 13.h3 Bh5 14.Bc3 Qe7 (14...h6 15.Re1=) 15.Qd2+= a3 16.Rfc1 Ra4 (16...h6 17.Bf6 Qf6 18.c4+=) 17.Bf6 (17.Re1 h6+=) 17...Qf6= 18.d4 Ra5 (18...Re7 19.c4 dc4 20.Qd1+=) 19.c4+/– Ne7?? (better is 19...Bg6 20.cd5 Bb1 21.Rb1 Na7+/–) 20.c5+– bc5 (20...Bf3 21.cd6 Rb5 22.Bb5 Qg6+–) 21.Qa5 cd4 (21...Bf3 22.Nd6 cd6 23.Bf3 cd4 24.ed4+–) 22.Nc7 Bc7 (22...Rf8 23.Nd4 Be2 24.Ne2+–) 23.Qc7 h6 (23...Ng6 24.Bb5 Rf8 25.Nd4+–) 24.Rb6 Qf5 25.Nd4 Qg5 26.Qd7 Rf8 27.Bh5 (27.Bh5 Qh5 28.Qe7+–) 1–0. Janek – Sanji, internet free game, 2017.

9.d3 a6 10.Nbd2= Be6 11.c4 dc4 (11...h6 12.h3=) 12.Nc4 Bc4 13.dc4 Ne4 14.g3 Bc5 15.Qb3 Nf2 16.Kf2 Re3 17.Qe3 Be3 18.Ke3 Qe7 19.Kf2. marekt – Larovsky, chessworld.net, 2013.

9.d3 b5!?+=.

9.d3 Rb8 10.c4 dc4 11.dc4 a6 12.Nbd2 Qe7 13.Qc2 b6 14.Rac1 Bb7 15.Bf6 Qf6 16.Ne4 Re4 17.Qe4 Ne5 18.Qd4 Bf3 19.Bf3 Nf3 20.gf3 Qf3 21.Qd5 Qg4 22.Kh1 Qe2 23.a4 g6 24.Rce1 Qc2 25.e4 Qa4 26.e5 Bc5 27.f4 Qe8 28.f5 Rd8 29.Qg2 Bb4 30.Re4 Bc5 31.Ree1 Bb4 ½–½. Woelfelschneider,Peter – Baer,Werner, ETC, 2005.

9.d3 Rb8 10.Nbd2 b5 11.Rb1 Bf5 12.Nh4 Be6 13.Nhf3 Ng4 14.h3 Nh6 15.Nb3 Nf5 16.Qd2 Qe7 17.e4 de4 18.de4 Nh4 19.Nh4 Qh4 (19...Qh4 20.Qc3 Qh6 21.Bb5 Rb5 22.Qc6 Reb8=). Schulz,Hans_Juergen – Baer,Werner, TT–18.15, 2005.

9.d3 Be6 10.Nc3 =+.

9.d3 Bf5 10.Na3 +=.

9.d3 Bf5 10.Nbd2 Ne5 11.Ne5= Be5 12.Be5 Re5 13.c4 dc4 14.Nc4 Re7 15.d4 c6 16.Qb3 Be6 17.Qc2 Bd5 18.Bd3 Rc8 19.Rfd1 c5 20.Bf5 Rcc7 21.dc5 Qa8 22.Rd4 Rc5=+ 23.a4 g6 24.Bd3 Qc8 25.Qb2 Qc6 26.Nd2 a6 27.e4 Be6 28.e5 Ng4 29.Ne4 Rd5 30.Rc4 Qe8 31.h3?? Rd3= 32.hg4 Qd8 33.Rb4 Rd1 34.Rd1 Qd1 35.Kh2 Kg7 36.Nf6 Qe1? 37.g5+– Bf5?? 38.e6+= Re6 39.Ne8 (39.Ne8 Kf8 40.Qh8 Ke7 41.Rb7 Kd8 42.Qd4 Rd6 43.Qd6 Ke8 44.Rb8 Bc8 45.Rc8#; 39.Rb7?! Qe5 40.Qe5 Re5+–) 1–0. Kilpatrick,Robert – Pyrich,George, corr Scotland, 1990.

9.d3 Ng4 10.Nbd2 Re6 11.g3 Rh6 12.Re1 Qd7 13.Bf1 Qf5 14.Bg2 Rh2 15.e4 de4 16.Re4 Bd7 17.Qe2 Rh6–/+ 18.Re1 Qh5 19.Nc4 f5–+ 20.Nd6 fe4 21.Ne4 Rf8 22.Neg5 Nh2 23.Ne5= Qe2 24.Re2 Ne5 25.Re5 Bc6 26.Bc6 bc6 27.Re7+= Rf5? 28.Bg7?? Rh5 29.f4+/– h6 30.Ne4 Ng4 31.Bd4 Rb5? 32.Rg7 Kf8 33.Rg4 Rb1 34.Kg2 Rc1 35.a3 Rc2 36.Kf3 Rd5 37.Ke3 Rc1 38.Bg7 Kf7 39.Bh6 Re1 40.Kf2 Ra1 41.Rg7 Ke6 42.Bg5 Ra2 43.Ke3 Ra5 44.g4 Rg5 45.Ng5 (45.Ng5 Kd5 46.Rd7 Kc5 47.f5+–) 1–0. De Visser,Arno – Van Haastert, Zaandijk, 1986.

9.d4 Ne4 10.Nbd2 Re6 11.c4= Rh6 12.c5?? Bh2!–+ 13.Kh1?? Bd6 14.Kg1–/+ Bh2 15.Kh1–+ Bd6 16.Kg1= ½–½. Cyprian,Marian – Hujo,Jozef, Kubin op, 1978.

9.d4 Ne7 10.c4= c6 11.Nbd2 (11.c5 Bc7 (11...Bb8 12.Nbd2 Bc7 13.h3 Bf5 14.Qb3 Ng6 15.g4 Bd7) 12.Qa4 Bf5 13.Nc3 Ng6 14.h3 Ne4 15.g4 Bd7; 11.Nc3 Bf5 (11...dc4 12.Bc4 Bf5 13.Ne5 Be5 14.de5 Ng4 15.Ne2 Qd1) 12.Qb3 Qb6 13.c5 Qb3 14.ab3 Bc7 15.h3 h5) 11...Ng6 (11...Bf5 12.Qb3 Ng6 13.c5 Bc7 14.h3 b6 15.Bd3 Ne4) 12.Qc2 (12.Bd3 Bd7 13.c5 Bc7 14.h3 Qe7 15.Rc1 b6) 12...Nf4 13.Rfe1 (13.Bd1 Ng6= 14.c5 Bc7 15.Be2 Nf4) 13...Ne2+= 14.Re2 Bg4 15.Ree1 (15.h3 Bh5) 15...Bh5 (15...dc4+=) 16.a4 (16.Ne5 Ng4=) 16...Bg6 17.Qc3 dc4 (17...Ne4 18.Ne4 Be4 19.Nd2+=) 18.Qc4 Bc7 (18...Bf5 19.h3+=) 19.Rad1 (19.Qb3 Ne4+=) 19...Ne4 20.Ne4 Be4 (worse is 20...Re4 21.Qb3=) 21.Ne5 Bd5 (21...Qd5!? 22.Qd5 Bd5+=) 22.Qc2= Qh4 23.e4 Be5 (23...Be6!?=) 24.de5+/– Be6 25.Qc3 Rac8 26.Rd2 (26.Rd7 Rb8 (26...Bd7?? 27.e6 Qf6 28.Qf6 gf6 29.ed7+–) 27.g3 Qh5+/–) 26...Rb8 27.Rd3 Rbd8 28.a5 Rd3= 29.Qd3 Rd8 30.Qe3 a6 31.f4 Bc4 32.Qc1 Bb5 33.Ba3 Rd3 34.Bc5 Qg4 35.Be3 Qd7 36.Bc5 h6 37.Bd6 Qg4 38.Bc5 Qe6 39.Re3 Re3 40.Be3 Qa2 41.Qd2 Qb1 42.Kf2 Qe4 43.Qd4 Qc2 44.Qd2 Qc4 45.Qe1 Qe4 ½–½. Schmeding,Heinrich – Sowa,Franz, Bahn–chT Fuessen, 1993.

9.d4 Ne7 10.Nbd2 Ng6 11.c4 c6 12.cd5 Nd5 13.Nc4 Bc7 14.h3 b5 15.Ncd2 Qd6 16.e4 Ndf4 17.e5 Ne2 18.Qe2 Qb4 19.Rab1 Bf5 20.Ne4 Nf4 (20...Ne5!? 21.Ne5 Be5–/+) 21.Qe3 Nd5 22.Qe2 f6 23.Rfc1 (23.Rfe1!?=) 23...fe5–/+ 24.Bc3?? (better is 24.Qc2 Bg6 25.Nh4 Be4 26.Qe4 ed4 27.Qd4 Qd4 28.Bd4–/+) 24...Nc3 25.Nc3 (25.Rb4?? Ne2 26.Kh1 Nc1–+) 25…Bb1 (25...Bb1 26.Nb1 ed4–+) 0–1. Kappel,Ray – Ng,Willy, 2011–ServTourn Final, 2011.

9.d4 Bf5 10.a3 Na5 11.Nbd2 c6 12.c4 Ne4 13.Ne4 Be4 14.Nd2 Nc4=+ 15.Bc4 dc4 16.Ne4 Re4 17.Qc2 Rh4 18.g3 Rh6 19.e4 b5 20.f4 Bc7 21.e5 Bb6–+ 22.Qe4 f5 23.Qe3 Qd5 24.Rad1 Rd8 25.Qf3 Re6 26.Kg2 Re7 27.Rf2 Red7 28.Rfd2 Ba5 29.Rc2 Qf3 30.Kf3 Rd5 31.h3 Bb6 32.Rcd2 c5 33.Ke3 cd4 34.Bd4 Rd4 35.Rd4 Rd4 36.Rd4 c3 (36...c3 37.Kd3 Bd4–+; 36...Bd4?! 37.Kd4 h5 38.Ke3–+) 0–1. Zahn,Richard – Kotter,Ralf (2325), Bad Wildbad op, 1999.

9.d4 Bg4 10.Nbd2 Ne4 11.c4 Nd2 12.Nd2 Be2 13.Qe2 Qf6 14.Nf3 dc4 15.Qc4 Rad8 16.h3 a6 17.Rfc1 Qf5 18.Rab1 Nb8 (18...Nb4 19.Ba3 a5 20.Bb4 ab4 21.Qc2 Qc2 22.Rc2+=) 19.Qc3 Nd7 20.Ba3 b5 21.Bd6 cd6 22.Qc6 Nb8 23.Qb6 g5 (23...Qg6 24.a4 ba4 25.Qb4+=) 24.Qa5 h5 Black intends g4 25.Nd2 g4 26.hg4 hg4 27.Nf1 Rc8 28.Qd2 d5 29.Ng3 Qg6 30.a4 ba4 31.Ra1 Rc1 32.Qc1 Qc6 (32...Nd7 33.Ra4 Rb8 34.Ra1=) 33.Qd1 Qd7 34.Nh5 Qf5 35.Qg4! Qg4 36.Nf6 Kg7 37.Ng4 Nc6 38.Ra4 a5 39.Ne5! Ne5 40.de5 Ra8 41.Kf1 Kf8 42.Ke2 Ke7 43.Kd3 Kd7 44.Kd4 Kc6 45.Ra3 a4 46.f4 Kb5 47.Kd5 Kb4 48.Ra1 Rg8? (better is 48...Kc3!?+=) 49.e6 fe6 50.Ke6 Re8 51.Kf5 Re3 52.g4 a3 53.g5 Kb3 54.Rg1 Re8 (54...a2 55.g6 Kc3+–) 55.g6 Rf8 (55...a2 56.g7 Rb8 57.Ke6+–) 56.Kg5 (56.Ke6 Rc8+–) 56...a2 57.g7 Rc8 58.Ra1 1–0. Mehlhorn,Uwe (2180) – Matthey,Harald (2315), Oberliga Ost–A, 2000.

9.Re1 Bf5 10.d3 h6 11.Nbd2 Ne5 12.Be5 Be5 13.Ne5 Re5 14.c4 c6 15.Nf3 Re8 16.c5 Qc7 17.Nd4 Bg6 18.Rc1 Re7 19.Qb3 Rae8 20.Rc3 Nd7 21.Rb1 Nf8 22.Qa4 Ne6 23.Ne6 fe6 24.Rcb3 Qe5 25.Qa7 b5 26.Qa6 d4 27.Qc6 de3 28.Qf3 ef2 29.Qf2 Rf8 30.Bf3 Be8 31.d4 Qg5 32.Qe3 Qf6 33.Re1 Bd7 34.d5 e5 35.d6 Ree8 36.c6 Be6 37.d7 Rd8 38.Rd3 Bc4 39.Rd2 Rf7 40.Qe5 b4 41.Qf6 gf6 42.Re8 Rf8 43.Rd8 Rd8 44.c7 (44.c7 Be6 45.cd8Q Kg7 46.Qe7 Bf7 47.d8Q h5 48.Qf6 Kh7 49.Qdh8#) 1–0. Woelfelschneider,Peter – Kessler,Meinrad, TT–10 ETC, 2003.

9.h3 a6 10.d3 =+.

9.h3 Ne5 10.Ne5= Be5 11.Be5 Re5 12.d4 Re6 (12...Rg5 13.Kh1=) 13.Nd2 Ne4 14.Ne4 (14.Bd3 Re8=) 14...de4 15.c4 (15.Bc4 Rc6 16.Qe2 Qh4=) 15...Rh6 (15...Rg6 16.Bh5 Rg5 17.Kh1=) 16.Bg4 (16.Qc2 Qh4 17.Rfb1 Rg6+=) 16...f5 17.Be2 Qg5 18.Qa4 (18.Kh1 Rg6 19.Rg1 Qh4+=) 18...c6+= 19.c5 Rh3 20.d5 (20.Rab1 Rh4 21.g3 Kf8+=) 20...Rh6 21.g3 f4 (21...Rf6 22.d6 Be6 23.Rfb1+=) 22.Qe4 (22.ef4 Qf5 (22...Qd5?? 23.Bc4 Bg4 24.Bd5 cd5 25.f3 Bf3 26.Rf3 ef3 27.Qd7+–) 23.Rfd1 Bd7 (worse is 23...cd5 24.Rd5 Qf6 25.Qe8 Qf8 26.Qe4+/–) 24.dc6 Qh3 (24...Bc6?! 25.Qb3 Kh8 26.Rd6 Rd6 27.cd6=; worse is 24...Rc6 25.Bb5+/–) 25.Qe4 Bc6 26.Bc4 Kh8–+) 22...Bf5 23.Qf4 (23.ef4?? Be4 24.Bf3 Bf3 25.fg5 Rh1) 23...Qf4 24.gf4 cd5 25.Bf3 (25.Rfd1 Rg6 26.Kf1 Bh3 27.Ke1 Rc8=) 25...Be4 (25...Rg6 26.Kh2 Be4 27.Be4 de4 28.Rfd1+=) 26.Be4= de4 27.Rfd1 Rc8 28.Rab1 b6 29.cb6 ab6 30.Rd4 Rg6 31.Kf1 Rh6 32.Rbd1 Rh1 33.Kg2 Rd1= 34.Rd1 Rc2 35.a3 Ra2 36.Rb1+= Ra3 37.Rb6 Ra7 38.Re6 Ra4= 39.Re7 h6 40.Kh3 Kf8= 41.Rb7 Ra2 42.Kg3+= Ra6 43.Rb4+/– Rg6 44.Kh3 Re6 45.f5 Rf6 46.Kg4 g6 47.Rb5 gf5?? 48.Rf5+– (48.Rf5 Ke7 49.Rf6 Kf6 50.Kf4+–) 1–0. docjan – pickle47, ChessWorld.net, 2009.

9.h3 Qe7 10.d4 Bf5=+ 11.Nc3 Nb4–/+ 12.Ne1 c6 13.a3 Na6 14.Nd3 Nb8 15.Nb1 Ne4 16.Nd2 Nd2 17.Qd2 Nd7 18.Nb4 Nb6 19.Rac1 Qg5 20.Bg4 Nc4 21.Qc3 Bg4 22.hg4 Qh4 23.Nd3 Qh2# 0–1. jammboy – oldsage, ChessWorld.net, 2006.

9.c4 dc4

10.Bc4 Na5 11.Be2 =+.

10.Bc4 Be6 11.Be6= Re6 12.Ng5 Re8 13.Qb3 Qd7 14.f4 h6 15.Bf6+= gf6 16.Nf3 Rab8 17.Nc3 Qg4 18.Nd5 Qg7 19.Qb2 f5 20.Qg7 Kg7 21.Nh4 Bc5 22.Rf3?? Re6?? 23.Rg3 Kh8 24.Nc7 Rd6 ½–½. Sternik,Ryszard – Michalczuk, Olsztyn, 1985.

10.Bc4 Ne5

11.Be2 Nf3 12.Bf3 A) 12...Bf5 13.Nc3 (13.d4 c6 14.Nc3 Qa5 15.Qb3 Qb4 16.Rfe1 Qb3 17.ab3 Bb4 18.Rec1) 13...c6 14.d4 a5 15.Re1 Qb6 16.Qd2 Rad8 17.h3 Bg6 18.Rad1; B) 12...Rb8 13.Nc3 (13.Re1 c5 14.d3 Be6 15.Nd2 b5 16.g3 Be7 17.Qc2 Nd5 18.a4; 13.d4 Bf5 14.Nd2 Bd3 15.Re1 Qd7 16.Rc1 Qf5 17.Nc4 Bc4 18.Rc4; 13.d3 b5 14.Nd2 Bf5 15.e4 Bg6 16.a4 Be5 17.Be5 Re5 18.Be2; 13.g3 c5 14.d3 b5 15.Qe2 Bf5 16.Nc3 c4 17.dc4 bc4 18.e4; 13.Qe2 Ne4 14.d3 Ng5 15.Nd2 Nf3 16.Nf3 b5 17.Rfc1 Bb7 18.Bd4) 13...Bf5 14.d4 b5 15.Qe2 b4 16.Nb5 a6 17.Nd6 Qd6 18.Rac1; C) 12...Be6 13.d3 (13.g3 c6 14.Nc3 Qa5 15.a4 Bf5 16.d4 h5 17.Bh5 Bb4 18.Na2; 13.Qc2 Bd5 14.Bd5 Nd5 15.Na3 a6 16.Nc4 b5 17.Nd6 Qd6 18.Rac1; 13.Qe2 c6 14.g3 Bh3 15.Rd1 Ne4 16.Nc3 Ng5 17.Bg4 g6 18.d3; 13.Nc3 Bc4 14.Re1 c6 15.a4 Qd7 16.g3 Bb4 17.Qc2 Rad8 18.d4; 13.Re1 c5 14.Nc3 Bc4 15.d4 Qc7 16.g3 cd4 17.Qd4 Be5 18.Qh4) 13...h6 14.Nd2 Nd5 15.Ne4 Nb4 16.Bd4 Be7 17.Qb1 a5 18.a3; D) 12...c6 13.d3 (13.Na3 Be6 14.Qc2 Bd5 15.Bd5 Nd5 16.g3 a5 17.Nc4 b5 18.Nd6; 13.Nc3 Bf5 14.d4 Qb6 15.Qe2 Rad8 16.Rad1 Ne4 17.Ne4 Be4 18.Be4) 13...Bc7 14.Nc3 Bf5 15.d4 Qd7 16.g3 h6 17.Ba3 b5 18.Bc5.

11.Be2 c5

12.Na3 A) 12...Bd7 13.Be5 (13.Ne5 Be5 14.Be5 Re5 15.f4 Re7 16.Qc2 Qa5 17.Nc4 Qa4 18.Qb3; 13.Rc1 Bc6 14.Be5 Be5 15.Ne5 Re5 16.f4 Rd5 17.Nc4 b5 18.Ne5; 13.Rb1 Bc6 14.Nc4 Nc4 15.Bc4 h6 16.Qb3 Qe7 17.d4 cd4 18.Nd4; 13.Qc2 Qc7 14.Be5 Be5 15.Rac1 Rac8 16.Nb5 Qb6 17.Rb1 Nd5 18.Qb3) 13...Be5 14.Ne5 Re5 15.Nc4 Re7 16.d4 cd4 17.Qd4 Bg4 18.Qb2; B) 12...Bf5 13.Qb3 (13.Nc4 Nd3 14.Qc2 Be4 15.Bf6 gf6 16.Nd6 Qd6 17.Qc4 Rad8 18.Rfb1; 13.Ne5 Be5 14.Be5 Re5 15.Nc4 Re6 16.Qb3 Qc7 17.d3 Rb8 18.e4; 13.Be5 Be5 14.Ne5 Re5 15.Nc4 Re7 16.Qb3 Qc7 17.f4 Rd8 18.Rac1) 13...Nf3 14.Bf3 Rb8 15.Nb5 Bf8 16.Rfd1 a6 17.Bf6 gf6 18.Nc3.

12.Nc3 Bf5 (12...Nf3 13.Bf3 Bf5 14.Rc1 Qd7 15.Qa4 Bd3 16.Qd7 Nd7 17.Rfd1 Rab8 18.a4) 13.d4 (13.Ne5 Be5 14.f4 Bc3 15.Bc3 Ne4 16.Rc1 Qd5 17.Qb3 Qb3 18.ab3; 13.Bb5 Bd7 14.Ne5 Be5 15.Rb1 Bb5 16.Nb5 Bb2 17.Rb2 a6 18.Nc3; 13.Nb5 Nf3 14.Bf3 Bd3 15.Be2 Be5 16.Be5 Re5 17.Bd3 Qd3 18.Qb3) 13...Nf3 14.Bf3 cd4 15.Qd4 Be5 16.Qb4 a5 17.Qa3 Qb6 18.Na4.

12.d4 Nf3 (12...cd4 13.Nd4 (13.Bd4 Bf5 14.Nc3 Rc8 15.Ne5 Be5 16.Be5 Re5 17.Qd8 Rd8 18.Rfd1) 13...Qb6 14.Qb3 Bg4 15.f3 Bd7 16.Rd1 Rac8 17.Nc3 Bc5 18.Kf2) 13.Bf3 Qc7 14.h3 cd4 (14...c4 15.Nc3 Bf5 16.Nb5 Bh2 17.Kh1 Qb6 18.a4) 15.Bd4 Bh2 (15...Be6 16.Nc3 Bc4 17.Re1 Rad8 18.Qa4) 16.Kh1 Be5 17.Be5 (17.Na3 Bd4 18.Nb5) 17...Qe5 18.Nd2 Rb8 19.Rb1 b5 20.Bc6 Bd7 21.Nf3 Qc7 22.Bd7 Qd7 23.Qe2 (23.Qd7!? Nd7 24.Rfc1+=) 23...Ne4+= 24.Rfc1 b4 25.Rb2 a5 26.Qa6 Qb5 27.Qa7 Rbc8 28.Rd1 Red8 29.Nd4 Qh5 30.Re1 Ra8 31.Qb7 Qh4 32.Kg1 Rdb8 33.Qc7 Rc8 34.Qb7 Nc5 35.Qb5 Rab8 36.Qe2 (worse is 36.Qa5 Nd3 37.Reb1 Nb2 38.Rb2 Qf6–/+) 36...Na4 37.Rd2 Nc3 38.Qa6 Ra8 39.Qb7 Rab8 40.Qa7 Re8 (40...Qd8 41.Nb3 Qg5 42.Rc1+=) 41.Qd7 (better is 41.Qa5!? Qe4 42.Ra1+=) 41...Rbd8+= 42.Qb7 Rb8 43.Qd7 Rbd8 44.Qb7 Rb8 ½–½. Malatsilava,Volha (1905) – Jargalmaa,Sarantuya (1740), Caldas Novas BRA, World Ch U14 (g), 2011.

12.Be5 Be5 13.Ne5 (13.Nc3 Bc3 14.dc3 Ne4 15.Qb3 Qf6 16.Bd3 Bf5 17.Qb7 Nc3 18.Qa6) 13...Re5 14.Nc3 Bf5 15.Rc1 Bd3 16.f4 Re7 17.Re1 c4 18.Nb5.

12.Ne5 Be5 13.Be5 (13.Nc3 Bf5 14.f4 Bc3 15.Bc3 Ne4 16.Rc1 Qd5 17.Qb3 Qb3 18.ab3; 13.Qc1 Bf5 14.Be5 Re5 15.f4 Rd5 16.Rd1 Rc8 17.Qb2 Rd6 18.Qb7) 13...Re5 14.f4 Re7 15.Qc2 Be6 16.f5 Bd5 17.Qc5 Ne4 18.Qa3.

9.d3 Ne5

10.Nbd2 Nf3 11.Bf3 c6 12.c4 Bc7 13.Qc2 Bf5 14.cd5 =.

10.Nbd2 Nfg4 11.Ne5 Ne5 12.d4 Nc6 13.c4 Be6 14.e4 +=.

10.Nbd2 Ng6 11.c4 c6 12.Qb3 Nf4 13.Bd1 dc4 14.dc4 Ne6 15.Bc2 Nc5 16.Qc3 Bf8 17.Rfd1 Bg4 18.Ne4 Nfe4= 19.Rd8 Nc3 20.Ra8 Ra8 21.Bc3 Bf3 22.gf3 Rd8 23.Kh1 g6=+ 24.Rd1 Rd1 25.Bd1 f5 26.Bc2 Kf7 27.Kg2 Bd6 28.e4 Ke6 29.ef5 gf5 30.Bd4 b6 31.Be3 a5 32.f4 b5 33.Bc5 Bc5–/+ 34.cb5 cb5 35.h4 h6 36.h5 a4 37.Kf1 Bd6 38.Ke2 Bf4 39.Kd3 Be5 40.Ke3 Bc7 41.f4 Bb6 42.Ke2 Bg1 43.Kf3 Bc5 ½–½. Trkn – mike G, itsyourturn.com, 2000.

10.Be5 Be5 11.Ne5 Re5 12.d4 Re8 13.c4 Be6 14.Nd2 =.

10.Ne5 Re5 11.Be5 Be5 12.d4 +/–.

10.Ne5 Be5

11.Be5 Re5

12.Nd2 Qd6 13.c4 =.

12.Nd2 Bd7 13.d4 Re7 14.Rb1 b6 15.c4 c6 16.Qc2 Qc7 17.cd5+/– Bg4 18.Bg4 Ng4 19.Nf3 cd5 20.Qf5 Qc8 21.Qd5+/– h6 22.Rfc1 Qd8 23.Qd8 Rd8 24.h3 (24.h3 Nf6 25.Ne5+–) 1–0. marekt – moover, schemingmind.com, 2005.

12.Nd2 Re7 13.d4 =.

12.Nd2 Re8 13.Rb1 b6 14.Bf3 Rb8 15.c4 Bb7 (15...Bf5 16.Rb3 d4 17.e4=) 16.cd5 Nd5 17.Qb3 c5 18.Rfd1 Nb4 (18...h6 19.Rbc1=) 19.Bb7 Rb7 20.Nf3 (20.d4 Rd7+=) 20...Nc6 21.d4 cd4 22.ed4 Rd7 23.Qb5 (23.Qa4 Rd6=) 23...Ne7 (23...Re6!? 24.Qa4 Rd5=) 24.Re1+= Rd5 25.Qb3 Kf8 26.Rbc1 Qd7 27.Ne5 Qb5?? (better is 27...Qd6+=) 28.Qb5+– Rb5 29.Nd7 Kg8 30.Re7! Ra8 (30...Re7 31.Rc8 Mate attack) 31.Ne5 f6 (31...Ra5 32.Rcc7 Rf8 33.Nf7+–) 32.Nf3 (32.Ra7 Re8 33.Nc6 h5 34.Ne7 Kh8+–) 32...Rb2 (32...a5 33.h3 Kh8 34.a4+–) 33.h3 Ra2 (33...h5 34.d5 Rd8+–) 34.Rcc7 1–0. Melderis,Uldis (2035) – Zasytis,Zilvinas (1775), Baltija cup, 2010.

12.Nd2 Re8 13.Bf3 =.

12.Nd2 Rg5 13.Re1 c5 14.Nf3 Rg6 15.Ne5 Rh6 16.Qc1 Be6 17.Qb2 b6 18.a4 Qd6 19.a5 b5 20.d4 a6 21.dc5 Qc5 22.Bd3 Re8 23.Nf3 Ne4 24.Qd4 Qc6 25.Rad1 Bc8 26.Rc1 Rh5 27.Red1 Bg4 28.Be2= Qh6 29.h4 g5 30.Qb6 Qb6 31.ab6–+ Nc3 32.Rd2 Ne2 33.Re2 Rb8 34.hg5 Bf3 35.gf3 Rg5 36.Kf1 Rh5 37.Ree1 0–1. Hasek,Frantisek (1765) – Baer,Werner (1900), TT–15 ETC, 2005.

12.Nd2 Rg5 13.Re1 Qd6 14.c4 Rg6 15.Bf3 Be6 16.cd5 Nd5 17.Qb1 Rh6 18.h3 b6 19.d4 Rd8 20.Ne4 Qe7 21.Ng3 Rg6 22.Qb2 c6 23.Rac1 Qd6 24.a3 f5 25.Ne2 Rh6 26.Rc2 ½–½. Woelfelschneider,Peter – Baer,Werner, TT–13 ETC, 2004.

12.Nd2 Rg5 13.Re1 Qe7 14.d4 =.

12.Nd2 Rg5 13.Nf3 Rh5 =.

12.d4 Re7 =.

12.d4 Re8 13.c4 dc4 14.Bc4 Be6 15.Qb3 Bc4 16.Qc4 Ne4 17.f3 Nd6 18.Qb3? Nf5–+ 19.e4? Qd4 20.Kh1 Ng3! 21.hg3 Re6 22.Qe6 fe6 23.Na3 Qd3 (23...Qd3 24.Rfc1 Qa3 25.Rc7 b5–+) 0–1. Trkn – H Dumpty, itsyourturn.com, 2000.

12.d4 Rg5 13.Nd2 Bh3 14.Bf3 =.

9.d3 Qe7

10.Nbd2 Na5 11.Nb3 Nb3 12.ab3 Ng4 13.c4 c6 14.cd5 cd5 15.Qd2 Bd7 16.Bc3 b6 17.h3 Nh6 18.b4 f6 19.d4 Be6 20.b5 g5 21.Bd3 g4 22.hg4 Bg4 23.Be2 Qg7 24.Rfe1 Kh8 25.Nh2 Bh3 26.Bf3+/– Rg8 27.g3 Nf5? 28.Bd5+– Bg3?! 29.fg3 Qg3 30.Kh1 Qd6 31.Qa2 Ng3–+ 32.Kg1 Ne2 33.Kh1 Nc3 34.Bg8 Na2 35.Ba2 a5 36.Rad1 Rc8 37.Re2 Bd7 38.Rg2 Bf5 (38...Bf5 39.Nf3 Be4–+) 0–1. Kilpatrick,Robert – Hislop,A, corr SCCA final, 1991.

10.Nbd2 Ne5 11.Ne5 Be5 12.Be5 Qe5 13.c4 c5 14.cd5 Nd5 15.d4 cd4 16.Nf3 Qf6 17.Qd4 Be6 18.Rfc1 Rac8 19.a4 b6 20.Qf6 Nf6 21.Nd4 Red8 22.f3 Nd5 23.Rc8 Rc8 24.Kf2 Rc5 25.Nb5 ½–½. marekt – Sluggo1, ChessWorld.net, 2004.

10.Nbd2 Ne5 11.Ne5 Be5 12.Be5 Qe5 13.d4 Qe7 14.c4 c5 15.Nb3 cd4 16.Nd4 b6 17.Nc6 Qd6 18.cd5+= Nd5?? 19.Bf3+– Be6 20.e4 Qc6 21.ed5 Qc7 22.Rc1 Qe7 23.de6 Rad8 24.ef7 Qf7 25.Qa4 Kh8 26.Rfe1 Rf8 27.Qc4 Qg6 28.Qh4 h6 29.h3 Rd2 30.Rc6 (30.Rc6 Qg5 31.Qg5 hg5 32.Re2 Re2 33.Be2+–) 1–0. aschellen (1775) – stendhar (1620), internet, 2006.

10.Nbd2 Be6 11.Rb1 =+.

10.Nbd2 Be6 11.c4 Rad8 12.cd5 Nd5 13.Ne4 Ba3 14.Qc1 Bb2 15.Qb2 f5 16.Neg5 Bc8 17.Rfe1 h6 18.Nh3 g5 19.Nd4 Qe5 20.Rab1 Nd4 21.ed4 Qd6 22.Kh1 g4 23.Ng1 f4 24.h3 h5 25.Qc2 Qf6 (25...Qf6 26.Qa4 gh3 27.gh3 Qh4–/+) 0–1. Pierre – Pawn48 (2375), Rated game, 2005.

10.Nbd2 Bf5 11.Re1 Rad8 12.a3 Ng4 13.Bf1 Nce5 14.Ne5 Ne5 15.h3 c6 16.f4 Ng6 17.Nf3 Qc7 18.g3 f6 19.Bg2 Re7 20.Qd2 Bc8 21.Re2 Rde8 22.Rae1 Bc5 23.a4 Qb6 ½–½. Julia,Ernesto (2355) – Fell,Sebastian (2295), 90th ch–ARG Semi–Final, 2015.

10.Nbd2 Bg4 11.Re1 Rad8 12.h3 Bc8 13.Bf1 Ne5 14.Be5 Be5 15.d4 Bd6 16.c4 c6 17.cd5 cd5 18.Bb5 Rf8 19.Qc2 Ne4 20.Ne4 de4 21.Nd2 Bh3 22.gh3 Qg5 23.Kh1 Qb5 24.Qe4 Rfe8 25.Qg2 Re6 26.Ne4 Rg6 27.Qf3 Qd7 28.Nd6 Rd6 29.Rg1 Rh6 30.Rg3 Kh8 31.Rb1 b6 32.Kg2 f5 33.Rc1 Rf8 34.d5 Rd6 35.Rd1 h6 36.e4 Qe7 ½–½. de Visser,Arno – Engelhart, 1987.

10.Nbd2 Ng4 11.c4 ½–½. Schmickt,Bernhard – Benassi,Aspasio, corr or02–024, 2002.

10.g3 a5 11.a3 b5 12.Nc3 Na7 13.Qd2 c5 14.Rfb1 Bf5 15.Ra2 –/+.

10.g3 a5 11.Nc3 Bh3 12.Re1 Bg4 13.Nb5 Bb4 14.Nd2 Bd2 15.Qd2 =+.

10.g3 a5 11.Nbd2 Rb8 12.Re1 b5 13.Rb1 Bg4 14.Kg2 Be6 15.c4 =+.

10.g3 a5 11.Re1 Bg4 12.Nbd2 Rab8 13.c4 dc4 14.dc4 Rbd8 15.Nd4 =+.

10.g3 Bb4 11.Bc3 Bh3 12.Re1 Bg4 13.Nfd2 Be2–/+ 14.Re2 Bc3 15.Nc3 Qc5 16.Ncb1 d4 17.Nf1 de3 18.Re3 Re3 19.Ne3=+ Re8 20.Nd2 a5 21.Nb3 Qd6 22.Qf3 a4 23.Nd2 Qb4 24.Nef1 Nd4–+ 25.Qd1 Re2 26.Rb1–/+ Qc5 27.Rb7 Nd7 28.Ne4= Qc2 29.Qc2 Rc2 30.Ra7 f5–/+ 31.Ra4 Ne2 32.Kg2 fe4 33.de4 Nc1 34.a3 Nd3 35.Rd4? N7e5 36.Kh1 Nf2 (36...Nf2 37.Kg2 Ne4 38.Kh1 Re2–+) 0–1. Hasler,Ulrich – Guenschmann,Martin, CiF, 2004.

10.g3 Nb4 11.a3 Nc6 12.Nbd2 Be6 13.c4 Rad8 14.Ng5 Bd7 15.cd5 =.

10.g3 Nb4 11.Nc3 Bh3 12.Re1 c5 13.Rb1 Be6 14.Nb5 Bb8 15.a3 =+.

10.g3 Nb4 11.Re1 Bg4 12.Nc3 c5 13.Rb1 Rad8 14.Nd2 Be6 15.a3 =+.

10.g3 b6 11.a3 Be6 12.Nc3 a6 13.Re1 Rad8 14.Ng5 Bd7 15.Bh5 =+.

10.g3 b6 11.Nbd2 Na5 12.Re1 c5 13.c4 dc4 14.Bf6 Qf6 15.Ne4 –/+.

10.g3 b6 11.Re1 a5 12.Nc3 a4 13.a3 Ra5 14.Qd2 Bd7 15.Reb1 =+.

10.g3 b6 11.Kg2 Na5 12.Nc3 a6 13.a3 c5 14.Re1 Nc6 15.Qd2 –/+.

10.g3 Nb8 11.a3 Nc6 12.Re1 Be6 13.Nc3 a6 14.Ng5 Bd7 15.e4 =+.

10.g3 Nb8 11.Nc3 a6 12.Ng5 Nbd7 13.Re1 b5 14.a3 Rb8 15.Bf1 –/+.

10.g3 Nb8 11.Nbd2 c5 12.Re1 Nc6 13.c4 Be6 14.cd5 Nd5 15.Ne4 =+.

10.g3 Nb8 11.Re1 Nbd7 12.Nbd2 Nb6 13.c4 dc4 14.Bf6 Qf6 15.Ne4 =+.

10.g3 Bd7 11.Nbd2 Bf5 12.c4 Bh3 13.Re1 dc4 14.Nc4 Bb4 15.Ncd2 =+.

10.g3 Bd7 11.Re1 Ne5 12.Nbd2 Neg4 13.h3 Bg3 14.hg4 Ng4 15.Ne4 –+.

10.g3 Bg4 11.Nc3 Bh3 12.Re1 Rad8 13.Rb1 a6 14.Ng5 Bd7 15.Bh5 =+.

10.g3 Bg4 11.Nbd2 a6 12.c4 Bh3 13.Re1 dc4 14.Nc4 Bb4 15.Ncd2 =+.

10.g3 Bg4 11.Re1 a5 12.Nbd2 Rab8 13.c4 dc4 14.Bf6 Qf6 15.Ne4 –/+.

10.g3 Bh3 11.Re1 Rad8 12.Nc3 a6 13.Rb1 b5 14.a4 b4 15.Na2 =+.

10.g3 a6

11.a3 Bh3 12.Re1 Be6 13.Ng5 Bd7 14.Nd2 b5 15.e4 =+.

11.a4 Bh3 12.Re1 Rad8 13.Nc3 Bb4 14.Rb1 Bg4 15.Qd2 =+.

11.Qd2 b5 12.Re1 Bg4 13.Ng5 Be2 14.Re2 Ne5 15.f4 –/+.

11.Nbd2 Be6 12.Rb1 b5 13.Ng5 Bd7 14.Re1 Rad8 15.Kg2 –/+.

11.Re1 Bg4 12.Nbd2 Rad8 13.Rb1 b5 14.Kg2 Nb4 15.Nd4 =+.

11.Kg2 Bg4 12.Nbd2 Rad8 13.c4 Bc5 14.Rb1 dc4 15.Nc4 =+.

10.g3 b5

11.a3 Bh3 12.Re1 Rab8 13.Qd2 a6 14.Qc3 Nd8 15.Nbd2 =+.

11.a4 b4 12.Nbd2 Rb8 13.Rb1 Na5 14.c3 Bd7 15.cb4 =+.

11.c4 dc4 12.dc4 bc4 13.Nbd2 Bh3 14.Re1 Bb4 15.Qc2 =+.

11.Qd2 a6 12.Rc1 Bg4 13.c4 dc4 14.dc4 Ne4 15.Qe1 –/+.

11.Nbd2 Rb8 12.Rb1 a6 13.Re1 Bf5 14.Nb3 Bb4 15.c3 =+.

11.Re1 Rb8 12.Nbd2 a6 13.Rb1 Bf5 14.Ng5 Bd7 15.Nb3 =+.

11.Kg2 Rb8 12.Nbd2 Be6 13.Rb1 a5 14.Re1 a4 15.Ng5 =+.

10.g3 Rb8

11.a3 a6 12.Nbd2 b5 13.Nb3 Na7 14.a4 b4 15.c3 –/+.

11.a4 Be6 12.Nc3 a6 13.Rb1 b5 14.ab5 ab5 15.d4 –/+.

11.Nc3 a6 12.Re1 b5 13.a3 Ne5 14.Ne5 Be5 15.Bf3 –/+.

11.Qd2 Bb4 12.Bc3 Bc5 13.Re1 b5 14.Bf6 Qf6 15.Qc3 –/+.

11.Nbd2 Bf5 12.Nc3 b5 13.a4 d4 14.Nb5 de3 15.fe3 –/+.

11.Re1 Bf5 12.Nc3 a6 13.Rb1 b5 14.a4 ba4 15.Na4 =+.

11.Kg2 a5 12.Nc3 b5 13.a4 d4 14.Nb5 de3 15.fe3 –/+.

10.g3 Nd8

11.a4 Be6 12.Nc3 a6 13.Rb1 b6 14.Nd4 Bh3 15.Re1 =+.

11.Nc3 c6 12.Re1 Ne6 13.e4 de4 14.Ne4 Ne4 15.de4 =+.

11.Qd2 Bh3 12.Re1 Ne6 13.Nc3 c6 14.Rad1 b5 15.Nb1 –/+.

11.Nbd2 c5 12.Re1 Nc6 13.Rb1 Rb8 14.c4 dc4 15.Nc4 =+.

11.Re1 Be6 12.Nc3 c6 13.e4 Bb4 14.e5 Nd7 15.a3 =+.

11.Kg2 b6 12.Nc3 a6 13.Re1 c5 14.d4 c4 15.Ne5 –/+.

10.g3 Qe6

11.a3 Ne7 12.Nd4 Qh3 13.Nb5 Ng4 14.Bg4 Bg4 15.f3 –/+.

11.Na3 Ba3 12.Ba3 d4 13.e4 Qh3 14.Bb2 Ng4 15.Re1 =+.

11.a4 Be7 12.Na3 a6 13.c4 b6 14.Qb3 Bb7 15.cd5 =+.

11.Nc3 a6 12.a4 b6 13.Rb1 Bd7 14.Re1 Bb4 15.Bf1 =+.

11.Qd2 Bb4 12.Bc3 Bc5 13.Re1 Bd7 14.Bb2 a6 15.a3 =+.

11.Nbd2 Bc5 12.Re1 Bd7 13.Rb1 Rab8 14.c4 dc4 15.dc4 =+.

11.Re1 Bd7 12.Nbd2 a6 13.Rb1 Rab8 14.c4 dc4 15.Nc4 =+.

11.Kg2 Qh3 12.Kg1 Ng4 13.Qe1 Re5 14.Qc3 d4 15.Qc4 –+.

10.g3 Be6

11.a3 b5 12.Qd2 a6 13.Rc1 Rad8 14.Re1 Bg4 15.Nc3 –/+.

11.Nc3 a6 12.Ng5 Bd7 13.Re1 h6 14.Nf3 b5 15.Nb1 =+.

11.Qd2 Rac8 12.Nc3 a6 13.Rfe1 b5 14.Ng5 Bd7 15.e4 –/+.

11.Nbd2 Bc5 12.Nb3 Bb4 13.a3 Bd6 14.Ra2 a5 15.Nbd4 =+.

11.Re1 a6 12.Nbd2 Rad8 13.Qb1 b5 14.a4 b4 15.e4 =+.

11.Kg2 b6 12.Ng5 Bd7 13.Nd2 Ne5 14.d4 Neg4 15.Bd3 –/+.

10.g3 Bf5

11.a3 b5 12.a4 b4 13.Nbd2 Rab8 14.Rb1 Ne5 15.Nb3 =+.

11.a4 b6 12.Nc3 a6 13.Re1 Rad8 14.Qd2 Bb4 15.Rab1 –/+.

11.Nc3 a6 12.Re1 b5 13.a4 ba4 14.Ra4 Reb8 15.Qc1 =+.

11.Qd2 a6 12.Nc3 b5 13.Rab1 Rab8 14.Nd1 b4 15.c3 –/+.

11.Nbd2 a6 12.c4 Bh3 13.Re1 dc4 14.Nc4 Bb4 15.Ncd2 =+.

11.Re1 Rad8 12.Nbd2 a6 13.Rb1 b5 14.Nb3 Bb4 15.c3 =+.

9.d3 Bg4

10.Nbd2 Ne5 11.h3 Bf5 12.Nd4 Qd7 13.f4+= Bh3 14.fe5+/– Re5 15.Rf6 gf6= 16.e4 Rg5 17.Bf3 Bf4 18.Nf1 c5 (18...c5 19.Nb3 de4 20.Be4 Qe7=; 18...de4!? 19.de4 Rd8=+). De Visser,Arno – Duin, Noordheim, 1986.

10.Nbd2= Qe7 11.c4 =.

10.Nbd2 Qe7 11.Re1 Rad8 12.h3 Bc8 13.Bf1 Ne5 14.Be5 Be5 15.d4 Bd6. A de Visser – Engelhart, NHSB 1987.

10.Nbd2= Bh5 11.h3 Qe7 12.Re1 Rad8 13.Rb1= Nd7 14.Nd4 Be2=+ 15.Nc6 bc6 16.Qe2 c5 17.Nf3 c6 18.Qd2 Rb8 19.c4 Rb6 20.Bc3 Reb8 21.Qc2 Nf8 22.Rb6 ab6 23.Qb2 f6 24.Qb3 Qb7 25.cd5 cd5= 26.e4 b5 27.ed5+= b4 28.Bb2 Rd8 29.d4+/– Qf7 30.dc5 Bc5 31.Rd1 Nd7 32.Nd4 Nf8 33.Nf5 Ng6 34.h4 Ne7 35.Ne7 Qe7 36.Bd4 Bd6+= 37.Kf1 Qe4 38.h5= Re8 39.Qe3+/– Kf7 40.Re1 Qe3+= 41.Re3 Ra8 42.Re2 Ra5=+ 43.Rd2 Rd5 44.Be3 Ke6 45.Rd5 Kd5 46.Ke2 Kc4 47.Bd2 Kd4 48.f3 f5 49.f4 Ke4 50.g3 Bc5 51.Be1 Kd4 52.Kf3 Kc4 53.g4=+ fg4 54.Kg4 Bd4 55.f5 Bc3 56.Bg3 Kb5 57.Bf4 Bb2 58.h6+= gh6 59.Bh6 Ka4 60.Bf8+/– Bc3 (60...Ka3 61.Kg5+/–) ½–½. Metschan,Helmuth – Kunath,Werner, 9sen.WttgEM/Ellwangen, 1997.

8.0–0 Ne4

9.d3 Nd6 10.Nbd2 Be6 11.Nb3 Nb5 12.Nbd4 Ncd4=+ 13.Nd4 Nc3 14.Qd2 Ne2 15.Qe2 Bd7 16.Qh5 c6 17.Nf5 Bf5 18.Qf5 Qh4 19.g3 Qh6 20.Rab1 Bc5 21.e4 Qe6 22.Qg5 f6 23.Qh5 Rad8 24.Rbe1 Qf7 25.Qf7 Kf7 26.e5 Bb4 27.Re2 fe5 28.Be5 Bc3 29.f4 Rd7 30.Rf3 Bd4 31.Kg2 Rde7 32.Kh3? Kg6–/+ 33.Rf1 Be5–+ 34.fe5 Re5 35.Ref2 Re2 36.Rf7 Rc2 37.Rb7 Ree2 38.a4 h5 39.Rh1 a5 40.Ra7 Kh6 (40...Kh6 41.Ra8 g5 42.Rh8 Kg6 43.Rg8 Kf6 44.Rf1 Ke7–+). Raanby,Hans – Reyes,ME, corr 3GMM½–04, 2000.

9.d3 Nf6 10.Nbd2 Bg4 11.h3 Bf3 12.Nf3 Bd6 13.Qc1 Ne7 14.Bf6+/– gf6 15.Qb2 Kg7 16.Qb7+– Rg8 17.d4 Ng6 18.c4 dc4 19.Bc4 Kh8 20.Bf7 Rg7 21.Bg6 Rg6 22.Nh4 Rg7 23.Nf5 Rb8 24.Qe4 Rg5 25.Nd6 Qd6 26.f4 Rg3 27.Rf3 Rbg8 28.Rg3 Rg3 29.Kh2 Rg8 30.Rc1 Qd7 31.Rc6 Qg7 32.Qf3 f5 33.Rc5 Qf7 34.Qd5 Qg6 35.Qe5 Qg7 36.Rc7 Qe5 37.fe5 a6 38.e6 Re8 39.d5 Kg8 40.d6 Re6 41.d7 Rd6 42.Rc8 Kf7 43.d8Q Rd8 44.Rd8 Ke7 45.Ra8 Kd6 46.Ra6 Ke5 47.g4 fg4 48.hg4 Ke4 49.Rh6 Ke3 1–0. Piriyev,Maksat – Yildiz,Mehmet Ali, chessmoon.com, 2011.

9.d3 Ng5 10.Nbd2 Nf3 11.Nf3 Qe7 12.Qc1 Be6 13.a3 Bd6 14.c4 dc4 15.dc4 Rad8 16.Qc2 Bg4 17.Rfd1 Qe6 18.c5 Bf5 19.Qc3 Bf8 20.Rac1 Bg6 21.h3 Bf5 22.Bc4 Qe7 23.Rd5 Be4 24.Rg5 Bg6 25.h4 Kh8 26.h5 f6 27.hg6 fg5 28.Ba2 g4 29.Qc4 Qe6 30.Qf4 Qa2 31.Qh2 Qg8 1–0. Wolfelschneider,Peter (2060) – Meier,Franz, TT–13 ETC, 2004.

9.d4 Bg4 10.a3 Ba5 11.Nfd2 Be2 12.Qe2 Qh4 13.Ne4 Qe4 14.c3 Re6 15.Re1 Rae8 16.Nd2 Qc2 17.Nf3 Qf5 18.Red1 Rg6 19.Nh4= Qg4 20.Qg4 Rg4 21.Nf3 b5 22.a4 ba4 23.Ra4 Rb8 24.c4 Rb2 25.cd5 Nd4 26.Nd4 Bb6 27.h3 Rg6 28.Nf3 Rf6= 29.Nd2 Kf8 30.Nc4 Rc2 31.Rd2 Rd2+= 32.Nd2 Rf5 33.Nf3 Rd5 34.Nd4 c5 35.Nc6 Rd1 36.Kh2 Rd7 37.Kg3 Rc7 38.Ne5 g6 ½–½. Labahn,Wolfgang – Hanison,Bernard, corr ICCF TT–4–90, 1991.

8.0–0 Be6

9.a3 Bd6 10.Nc3 a6 11.Na4 b5 12.Nc3 Qe7 13.d4 (13.Re1 Ne4+=) 13...Na5–/+ 14.Na4?? (better is 14.Re1–/+) 14...ba4–+ 15.Ng5 (15.Qd2 Nc4 16.Bc4 dc4–+) 15...Bf5 (15...Bd7 16.Bc3 Nc6 17.Bb2–+) 16.Bd3 (16.Qd2 Nc4 17.Bc4 dc4–+) 16...Ne4 (16...Bh2 17.Kh1 Bd3 18.cd3–+) 17.Ne4 de4 18.Be2 Qg5 19.c4 (19.Kh1 Be6–+) 19...Bh3 20.g3 Bf1 21.Bf1 Nb3 22.Rb1 c5 23.dc5 (23.Bg2 Rab8 24.d5 Be5–+) 23...Bc5 24.Bc3 (24.Bh3 Red8 25.Qe2 Nd2–+) 24...Be3! 25.fe3 (25.Qd5 Rad8 26.Qg5 Bg5–+) 25...Qe3 26.Kh1 Qc3 27.Kg2 (27.Qe1 Nd2 28.Rc1–+) 27...Rad8 28.Qe1 Rd2 29.Kh3 Qf3 30.c5 Qh5# 0–1. Neumann,Frank – Barrilete,Petaca, 67. LSS No Engine Cup Preliminary, 2012.

9.a3 Bd6 10.d3 Qe7 =+.

9.Nc3 a6 10.a3 Bd6 11.d4 Qd7 12.Ng5 Bf5 13.Qd2 h6 14.Nf3 b6 15.Bd3 Bg4 16.Ne1 Na5 17.f3 Bf5 18.Bf5 (18.Qf2!?–/+) 18...Qf5–+ 19.e4 (19.Nd1 Nc4 20.Qc3 b5–+) 19...de4 20.fe4 (20.Qe2 ef3 21.Qf3 Qf3 22.Nf3 Nc4–+) 20...Bh2! 21.Kh2 Qf1 22.Nf3 Qc4 23.e5 Ng4 (23...Nd5 24.Rh1–+) 24.Kg3 f5 25.Nh4 (25.Qf4 Qf7 26.d5 g5 27.Ng5 hg5 28.Qg5 Qg7 29.Qg7 Kg7–+) 25...Qe6 26.Re1 (26.Qf4 Rf8 27.d5 Qe5 28.Ng6 Qf4 29.Nf4–+) 26...g5 27.Nf3 (27.Nf5 Qf5 28.Bc1–+) 27...f4 28.Kh3 Ne5 29.g4 Qg4 30.Kh2 Nf3 (30...Nf3 31.Kh1 Re1 32.Qe1 Qh3) 0–1. Neumann,Frank (1650) – Baer,Werner (2255), RSX24E – Chaturanga–1, 2008.

9.Nc3 a6 10.Rb1 Ne4 =+.

9.Nc3 Ne4 10.Nb1 Ng5 11.Ng5 Qg5 12.f4 =+.

9.d3 Qd6 10.Nbd2 Ba3 11.Qc1 Bb2= 12.Qb2 b6 13.c4 dc4 14.dc4 Rad8 15.Rfd1 Nb4 16.Nb3 Qc6 17.Nbd4+= Qc5 18.Ne6 Rd1 19.Rd1 Re6 20.Nd4 Rd6= 21.Bf3 Qa5 22.a3 c5? 23.ab4+– cb4? 24.Ra1 Qc5 25.Ra7 g6 26.Bd5! Nd5 27.Ra8 Kg7 28.Nf5 1–0. dearwish (1800) – noopieflace (1965), net–chess.com, 2004.

9.d3 Qe7 10.Nc3 =+.

9.d3 Bf5 10.Nbd2 Ng4 11.Rb1 h6? 12.Nd4+/– Nd4 13.Bd4+– Nh2 14.Kh2 c5 15.Bb2 Qa5 16.Nb3 Qa2 17.Bg4 Bg6+/– 18.Bf3 Red8 19.Rh1+– c4 20.Nd4 a5 21.Kg1 Ra6 22.Rh3 b5 23.Nb5 cd3 24.cd3 Rb6 25.Bc3 Bc3 26.Nc3 Rb1 27.Na2 Rd1+/– 28.Bd1 Bd3 29.Rh4 Bc4 30.Nc3+– Kf8 31.Rd4 (31.Rd4 Ke7 32.Bf3+–) 1–0. Vetter,Udo – Schulz,Hans_Juergen, TT–16.36 ETC, 2005.

9.d3 h6 10.h3 Qe7 11.Nbd2 Rad8 12.Rb1 a6 13.Ne5 Ne5 14.Be5 b5 15.Bc7 Qc7 16.Rb4 Rc8 17.Nf3 Qc3 18.Qb1 Qc2 19.a4 ba4=+ 20.Qc2 Rc2 21.Bd1 Rc3 22.Ba4 Rec8 23.Ne5 a5 24.Rb7 Ra3 25.Bc6 Ra2 26.Rfb1 d4 27.ed4+= h5 28.Rb8 Rb8 29.Rb8 Kh7 30.Rb5 a4 31.d5 Ra1 32.Kh2 Bc8 33.Ra5 a3 34.Nf7 Bf5 35.d6 (35.d6 Bd3 36.d7 Nd7 37.Bd7+–) 1–0. PatzerBernie2 – Karl Gill, ChessWorld.net, 2009.

9.d4 Ne4 10.a3 Bd6 11.Nbd2 Na5 12.Ne4 de4 13.Nd2 Bf5 14.Bg4 Qh4 15.h3 Bg4 16.Qg4 Qg4 17.hg4 b5 18.Bc3 Nc4 19.Nc4 bc4 20.Bb4 a5 21.Bc3 a4 22.Rfb1 h6 23.Bb4 Rab8 24.Kf1 f6 25.Ke2 Red8 26.Bd6 cd6 27.Rb4 Rb4 28.ab4 Ra8 29.c3 d5=+ 30.f3 a3 31.b5 Kf7 32.b6 Ke7 33.b7 Rb8 34.Ra3 Rb7 35.fe4 de4 36.Ra4 Rc7 37.Kf2 g5 38.Rb4 ½–½. Verhaeren,Gertjan – Speisser,Patrick (2120), TE.2004.P.01710, 2004.

9.d4 Ne4 10.Nfd2 Qg5 11.Bf3 Bf5 12.c3 Bd6 13.Ba3 Rad8 14.Bd6 Rd6 15.g3 Rh6 16.Bg2 Bg4 17.Qc1 Qh5–/+ 18.h4 g5 19.f3? Ng3–+ 20.fg4 Qh4 21.Rf3 Ne2 (21...Ne2 22.Kf1 Nc1–+) 0–1. Zaichenko,Andrey (1800) – Wu,Sheng (1680), FICGS, 2007.

9.Ng5 Bf5 =+.

9.d3 Bc5

10.c3 a6 11.Nbd2 Rb8 12.c4 Qe7 13.cd5 Nd5 14.a3 Bg4 15.Qc2 Rbd8 16.Rfe1= Bb6 17.Nc4 Qe6 18.Nb6 Nb6 19.h3 Bf5 20.Nh4+= h6 21.Qc3 f6 22.Nf5 Qf5 23.d4 Rd6 24.Bf3 Qe6 25.a4 Qc4 26.Rec1+/– Qc3 27.Rc3 Red8 28.Ba3 Na4 29.Rb3 R6d7 30.Rb7 Na5 31.Ra7 Nb3 32.Ra2 Nc3 33.Rb2 Nb5 34.Ra6 N3d4 35.ed4 Nd4 36.Bd1 Rd5 37.Ba4 c5 38.Rb7 Kh8 39.Kh2 Re5 40.Raa7 Ne2 41.f4! Nf4 42.Rg7 (42.Rg7 Ne6 43.Rh7 Kg8 44.Bb3+–) 1–0. Boehnke,Hartmut – Feco,Jan, corr EM/M/185 ICCF Email, 2002.

10.c3 Qe7 11.Qa4 a6 12.Ba3 Ba3 13.Qa3 Qa3 14.Na3 Ne7 15.Rfb1 Rab8 16.Nc2 c5 17.a4 b6 18.Rb2 Bf5 19.Rab1 Nd7 20.d4 Ra8 21.c4 dc4 22.Bc4 Rec8 23.d5 Rd8 24.Rc1 Be4 25.d6 Nf5 26.Bf7 Kf7 27.Ng5 Kf6 28.Ne4 Ke5 29.Ng5 Kf6 30.f4 Nd6 31.Nh7 Kf5 32.Ng5 Nc4 33.Rb3 Nd2 34.Rc3 Nf6 35.h3 Nfe4 36.Ne4 Ne4 37.Rb3 Rab8 38.g4 Ke6 39.Na3 Nd2 40.Rbc3 Ne4 41.Rc4 Nd2 42.f5 Kf6 43.R4c3 Ne4 44.Rb3 Nd2 45.Rb2 Nf3 46.Kf1 Rd2 47.Rd2 Nd2 48.Ke1 Ne4 49.Nb1 Ke5 50.Nd2 Rh8 51.Nf3 Kf6 52.h4 b5 53.ab5 ab5 54.Ng5 Ng5 55.hg5 Kg5 56.Rc5 Kg4 57.Rb5 Rh5 58.Rb7 Kf5 59.Rg7 Ke4 60.Kf2 Rh2 61.Kg3 Rh5 62.Rg8 Ke3 63.Kg4 Ra5 64.Re8 Kd2 65.Kf4 Ra1 66.Rc8 Ra2 67.Ke4 Ra1 68.Kd4 Ra2 69.Rg8 Ra1 70.Rg2 Kc1 71.Rg1 Kb2 72.Ra1 Ka1 ½–½. Pierred – Andrea K, Friendly Game, 2005.

10.Nbd2 d4 11.e4 a5 12.a3 a4 13.c3 b6 14.Qc2 Bg4 15.Rfe1 Ra5 16.h3 Bf3 17.Nf3 Re7 18.e5 Ne5 19.cd4 Nf3 20.Bf3 Bd6 21.Bc6 Nd5 22.Re4 Nf6 23.Re7 Qe7 24.Bc3 Ra7 25.Re1 Qf8 26.d5+/– Qd8 27.Bb2 Ra5 28.Qc4 h6 29.Ba4 Kh7 30.Bb5 Ba3+= 31.Bc3 Ra7 32.Ra1 Qb8? 33.Bf6+/– gf6 34.d6 cd6+= 35.Ra3 Ra3 36.Qf7 Kh8 37.Qf6 Kh7 38.Qe7 Kh8 39.Be8 Ra1 40.Kh2 d5 41.g3 Qa7?? 42.Qf8 Kh7= 43.Bf7 Qa8 44.Qd6 (44.Qd6 Rh1 45.Kh1 d4 46.Bd5+–) 1–0. Poschmann,Hans – Luzuriaga,Norberto Horacio, corr or01–001 E–mail, 2001.

10.Nbd2 d4–/+ 11.e4 Bb6 12.Ng5 Bc8 13.Bh5 g6 14.Be2 Nh5 15.f4 Nf4 16.Nf7 Qh4 17.g3 Ne2 18.Qe2 Qe7 19.Nh6 Kh8= 20.Nc4 Be6 21.Nb6 ab6 22.c3 Qg7 23.cd4 Nd4 24.Qf2 Rad8 25.Rae1 c5 26.Nf7+= Bf7 27.Qf7 ½–½. Milde,Lars (1815) – Melia,Ken (1835), TT–05.47 TSC, 2003.

10.d4 Bd6 11.Nbd2 Ne4 12.c4 Qf6 13.Rc1 Qg6 14.cd5 Bd5 15.Nc4 Rac8 16.a3 Bf8 17.Qc2 f5 18.Nce5 Ne5 19.Ne5 Re5? 20.de5+/– Nd2 21.f3 Nf1= 22.Kf1 Be6 23.Bc4 c6 24.e4 f4 25.Qb3 Bc4 26.Qc4 Kh8 27.Qd4 Qe6 28.h3 Qb3 29.Qc3 Qb5 30.Kg1 Rd8 31.Qc2 Qd3 32.Qd3 Rd3 33.a4 Bb4 34.e6= Kg8 (34...Kg8 35.Rc2 Kf8=). Schulz,Hans_Juergen – Ritter,Fredi, TT–05 TSC, 2003.

10.d4 Be7 11.Nbd2 a5 12.a4 Bf5 13.Bb5 Nd7 14.c4 dc4 15.e4 Bb4 16.Bc6 bc6+= 17.ef5 c3 18.Bc3 Bc3 19.Rc1 Bd2 20.Qd2 Qf6 21.Rfe1 Re1 22.Qe1 Qf5 23.Rc6 Rc8 24.h3 h6+/– 25.Ra6 Qc2 26.Qa5 Qc1 27.Qe1 Qc2 28.a5 Rb8 29.Kh2 Nf8 30.Qe5 Qf2 31.Qc7 Rb2 32.Qg3+– Qg3 33.Kg3 g5 34.Rh6 Ng6 35.h4 Rb4 36.h5 Kg7 37.hg6 Kh6 38.gf7 Kg7 39.Ng5 Ra4 40.a6 Ra6 41.Kf4 Rf6 42.Ke4 Kg6 43.Nf3 Kf7 44.g3 Re6 45.Ne5 Kf6 46.Kf4 Re8 47.Ng4 Ke6 ½–½. Namdeo,Ashish – Luzuriaga,Norberto Horacio, corr or01–003 E–mail, 2001.

10.Ng5 d4 11.Ne6 Re6 =+.

9.d3 Qe7

10.a3 Bc5 11.Nbd2 Ng4 12.h3 Nh6 13.d4 Bb6 14.c4 Ba5 15.Qb3 dc4 16.Bc4 Bd2 17.Be6 Be3 18.Bd5 Bf4 19.Qb7 Na5 20.Qa6+= Rab8 21.Rae1 Qd7 22.Re8 Qe8 23.Bc1 Bd6?? 24.Qa5+– Rb5 25.Qa4 c6 26.Bc4 Rb7 27.Bh6 gh6 28.d5 Rc7 29.Re1 Qd7 30.dc6 Qc6 31.Bb5 Qc5 32.Qg4 Kh8 33.Re8 Bf8 34.Ne5 Qc1 35.Bf1 Qg5 36.Qb4 Re7 37.Rf8 Kg7 38.Nf3 Kf8 39.Ng5 hg5 40.Qd6 (40.Qd6 a6 41.Ba6+–) 1–0. Pommerel,Wim – Sojka, CiF, 1991.

10.a3 Bd6 11.Nbd2 b5 12.a4 b4 13.Rb1 =+.

10.a3 Bd6 11.Nbd2 Rad8 12.Qb1 b6 13.c4 Na5 14.cd5 Bd5 15.e4 Bf4 16.ed5+= Bd2 17.Nd2 Qe2 18.Bf6 gf6 19.Ne4 Kg7 20.Re1 Qh5 21.Re3 Qe5 22.Qa2 Nb7 23.Rc1+/– Nd6 24.Ng3 Qg5 25.Qe2 Re3 26.fe3 Re8 27.Nf1 Re7 28.Qf3+/– Kg8 29.Kf2 f5 30.Qg3 f6 31.Rc6 a5 32.Qf3 Qh4 33.Ng3 (33.g3 Qa4+=) ½–½. Villar,Nelson Alvarez – Schulz,Hans_Juergen, TT–16.30 ETC, 2005.

10.a3 Bd6 11.Nbd2 Rad8 12.Qc1 Nd7 13.Rb1 Nb6 14.Re1 Na4 15.d4 Rb8 16.e4 de4 17.Ne4= Nb2 18.Nd6 cd6 19.Qb2 Qf6 20.Bd3 Bd5=+ 21.Re8 Re8 22.Qb7 Bf3 23.gf3 Nd4 24.Qe4 Kf8 25.Qh7 Nf3 26.Kg2 Nh4 27.Kf1 g6 28.Bb5 Rb8 29.Re1 Nf3=+ 30.Re3 a6 31.Rf3 Qf3 32.Qh8 Ke7 33.Qb8 Qd1 34.Kg2 Qd5 35.Kf1 ab5 36.Qc7 Ke6 37.Qc8 ½–½. pierre – cheops60, ChessHere.com, 2006.

10.Qc1 Rad8 11.Nbd2 Bg4 12.a3 Bc5 13.d4 (13.Re1 b6 (13...Bd6 14.Rb1 Na5 15.c4 dc4 16.Nc4 Nc4 17.Qc4) 14.Bc3 (14.Rb1 Be6 15.Bf6 Qf6 16.d4 Be7 17.Bb5; 14.c4 Qe6 15.cd5 Qd5 16.Bf6 gf6 17.d4) 14...Nb8 15.Qb2 Nbd7 16.Bb4 Rb8 17.c4) 13...Bd6 (13...Bb6 14.Bb5 (14.Bd3 Ne4 15.c4 Nd2 16.Nd2 Qg5 17.Kh1; 14.c4 dc4 15.Bc4 Na5 16.Be2 Bf5 17.Ne5; 14.Rb1 Ne4 15.Bd3 Nd2 16.Nd2 Qg5 17.Kh1) 14...a6 15.Bc6 bc6 16.c4 c5 17.Ne5) 14.c4 dc4 (14...Qe6 15.c5 Be7 16.h3 Bf5 17.Ng5) 15.Bc4 (15.Nc4 Rc8= (15...Be6 16.Nd6 cd6 17.Qb1) 16.Qc2 Qe6 17.Rfc1) 15...Be6 (15...Na5 16.Be2 Nd5 17.Bc3) 16.Bd3 (16.Re1 Bc4 17.Qc4) 16...Bd5 17.Qc2 (17.Re1=) 17...Ne4 18.Ne4 Be4 19.Be4 Qe4 20.Qe4 Re4 21.a4 (21.Rfb1 Ne7=) 21...a5 22.Ba3 Bb4 (22...Nb4 23.Rab1=) 23.Rfc1+= Re7 24.Bb4 ab4 (24...Nb4 25.Rab1=) 25.Rc4 (25.Rab1 Rd5+=) 25...Red7 26.Ne1 Ra8 27.Nd3+/– Na5 28.Rb4+– b6 29.Ne5 Re7 30.g3 f6 31.Nd3 Rd7 32.Nf4 c5 33.Rb6 cd4 34.Rd1 Nc4 35.Rb4 Ne5 36.ed4 Nc6 37.Rc4 Ne5 38.Rcc1 Rd4 39.Rd4 Nf3 40.Kg2 Nd4 41.Ra1 Nb3+= 42.Ra3 Nc5 43.a5 Ra6 44.h4 g6 45.Nd5+– Nb7 46.Rc3 Na5+/– 47.Rc8 Kg7 48.Rc7 Kg8 49.h5 gh5+= 50.Kh3 Nb3 51.Kh4 Nd4 52.Ne7 ½–½. Thesing,Michael (1995) – Wilger,Frank (2065), Muensterland Verbandsklasse–B, 2005.

10.Nbd2 a5 11.a3 Bd6 12.d4 Bg4 13.c4 dc4 14.Nc4= Qe6 15.Nd6 cd6 16.Nd2 d5 17.Bg4 Ng4 18.h3 Nf6=+ 19.Qe2 Rec8 20.Rfc1 Rc7 21.a4 Rac8 22.Qb5 Nd7 23.Ba3 b6 24.Rab1= Kh8 25.Rb3 Na7 26.Rc7+= Rc7 27.Qd3 Nf6 28.Qb1 Nc8 29.Rb5 Kg8 30.Qd3 ½–½. Namdeo,Ashish – Suc,Timothy, corr or01–003 E–mail, 2001.

10.Nbd2 b6 11.a3 Bd6 12.c4 Rad8 13.cd5 Nd5 14.Ne4 f6 15.Qa4 Na5 16.Nd6 Qd6 17.d4 Bf5 18.Rfc1 c6 19.Nh4 Be4 20.f3 Bg6 21.Bc3 Re3 22.Ba5 Re2 23.Ng6 hg6 24.Be1 b5 25.Qa6 Nf4 26.Qa7 Rg2 27.Kh1 Qe6 28.Bg3 Qh3 29.Qd7 Rh2 30.Bh2 Qg2 0–1. Fritz 8 (No MMX) – Fritz 6, 2004.

10.Nbd2 Rab8 =+.

10.Nbd2 Ng4 11.c4 ½–½. Schmickt,Bernhard – Benassi,Aspasio, corr or02–024, 2002.

10.Nbd2 Rad8

11.a4 a6 12.c3 Bd6 13.a5 Rb8 14.Qc2 Red8 15.Rfc1 Bg4 16.c4 Bb4 17.cd5 Rd5 18.Nc4 Re8 19.Rab1 Bh5 20.Ba1 Nd7 21.Bc3 Rb8 22.d4 Bg6 23.Bd3 Bd3 24.Qd3 Bc3 25.Qc3+= Na7 26.Qa3 Qe8 27.e4 Nb5 28.Qe3 Rh5 29.Qf4 Rd8 30.Re1 Nf8 31.d5 Qd7 32.h3 Rh6 33.Ne3 Ng6 34.Qg3 Ne7 35.Ne5 Qc8 36.Rec1 Rf8 37.Nd3 Rg6 38.Qe5 Re8 39.Rb5 ab5 40.Rc7 Qd8 41.Rb7 Nc8 42.Qc7 Nd6 43.Qd8 Rd8 44.Re7 Kf8 45.Ra7 Ne4 46.Ne5 Rf6 47.Nd7 (47.Nd7 Rd7 48.Rd7+–) 1–0. Felkel,Siegfried – Baer,Werner, TT–18 ETC, 2005.

11.a4 b6 12.Nb3 =+.

11.Rb1 b5 =.

11.Rb1 Rb8 12.Qc1 Bf5 13.c4 Bd2 14.Nd2 d4 15.e4 Bg4 16.f3 Be6 17.f4 Bg4 18.Nf3 Qd8 19.Qd2 Qd7 20.h3 Bf3 21.Bf3 Kh8 22.Qf2 Ng8 23.e5 Nge7 24.Be4 Nf5 25.Rfe1 Kg8 26.g4 Ne3 27.Bc1 a6 28.Qh4 g6 29.Qg3 b6 30.Qf3 Nd8 31.Be3 de3 32.Qe3 c5 33.Bd5 Ne6 34.f5 Nc7 35.f6 b5 36.Rbd1 Kh8 37.Qc5 Nd5 38.cd5 Rbc8 39.Qd4 Rcd8 40.e6 (40.e6 Qc7 41.Re3+–) 1–0. Felkel,Siegfried – Baer,Werner, TT–19 ETC, 2005.

11.Rb1 Bc8 =.

11.Rb1 Nd7 12.a3 Bd6 13.Re1 Nb6 14.c3 Bf5 15.a4 Qe6 16.Nf1 Qh6 17.Qc2 Bd7 18.Ng3 a5 19.Ra1 Bg4 20.Bc1 Qg6 21.Nh4 Qg5 22.Bg4 Qg4 (22...Qg4 23.Nhf5 Bg3 24.Ng3 Qg6=+; 22...Bg3 23.fg3 Qg4 24.Rf1=+). Hasek,Frantisek – Baumann,H, ETC, 2005.

11.Rb1 Nd7 12.d4 Bf5 13.Bd3 Be4 14.Bb5 Bg6 15.Bd3 Qf6 16.Bg6 Qg6 17.c3 Be7 18.Qe2 a6 19.c4= dc4 20.Qc4 b5 21.Qb3 Na7 22.Rfc1 c5 23.dc5 Nc5 24.Qc2 Qh5 25.Nd4 Na4 26.N2f3 Rc8 27.Qf5 Qf5 28.Nf5 Nb2 29.Rc8 Nc8 30.Rb2 Bf6 31.Rc2 Nb6 ½–½. Hasek,Frantisek – Schulz,Hans_Juergen, TT–15.20 ETC, 2005.

11.Rb1 Nd7 12.Re1 Bd6 =+.

11.Qc1 Bg4 12.h3 Bh5 13.Rb1 Bd6 14.Bf6 Qf6 15.Rb7 Qh6 16.Re1 Re6 17.d4 Rde8 18.Bb5 Bf3 19.Nf3 Rf6 20.Bc6 Rf3 21.Be8 Rh3 22.Kf1 Rh2 23.Bc6 Qh5 24.Rb8 Bf8 25.f4 g6 26.c4 dc4 27.Bf3 Qh4 28.Ke2 Qg3 29.Rg1 1–0. Dzieniszewski – Szopka, Czestochowa 1986.

11.c3 Bd6=+ 12.Rc1 Ne5 13.Ne5 Be5 14.Qa4 Nd7 15.Qc2 Bf5 16.c4 Bb2 17.Qb2 d4 18.e4 Nc5 19.Nb3 Bc8 20.Nc5= Qc5 21.Bd1 f5=+ 22.f3 Re6 23.Bc2 f4 24.Bb3 Rh6 25.Qf2 a5 26.Kh1 Bd7 27.Rfe1 Re8 28.Qd2 a4 29.Bc2 Qe5 30.Qf2 Rh5 31.Bd1 Re6 (31...Re6 32.h3 Rg6–+) 0–1. Woelfelschneider,Peter – Baumann,Heinz, TT–17.03 ETC, 2005.

11.a3 Bd6=+

12.Qb1 b6 13.c4 dc4 14.Nc4 Bc4 15.dc4 Ng4 16.Qc1 Nge5 17.Qc2 Nf3 18.Bf3 Ne5 19.Be2 a6 20.Qc3 Qf8 21.Qc2 Nd7 22.Bd3 g6 23.Be2 Qe7 24.Rfd1 h6 25.Rd2 Be5 26.Rad1 Bb2 27.Qb2 Nf6 28.Rd8 Rd8 29.Rd8 Qd8 30.Qd4 Qd4 31.ed4 Kf8 32.f3 Ke7 33.Kf2 Kd6 34.Ke3 c5 35.d5 Ne8 36.a4 Ke7 37.g4 Nd6 38.Bd3 Kf6 39.f4 Ke7 40.g5 hg5 41.fg5 f6 42.h4 Kf7 43.Kf3 Kg7 44.Kg4 Kf7 45.Kf4 Kg7 46.Be2 Kf7 47.h5 gh5 48.Bh5 Kg7 49.Be2 Kf7 50.gf6 Kf6 51.Bd3 Kf7 52.Ke5 Ke7 53.Be2 Nf7 54.Ke4 Kd6 55.Bf1 Ne5 56.Bd3 Ng4 57.Kf4 Nf6 58.Kf5 Ng8 59.Bf1 Ne7 60.Ke4 Nc8 61.Be2 Ke7 62.Bd3 Nd6 ½–½. Bonetti,Shane – Baumann,Heinz, ETC, 2005.

12.Qc1 Na5 13.Bc3 Nc6 14.Qb2+= b6 15.Rfe1 a6 16.Bf6+= Qf6 17.Qf6 gf6 18.d4 b5 19.a4 Rb8 20.ab5 ab5 21.Reb1 b4 22.Nb3 Bf5 23.Bd3 Bg6 24.Ne1 Ne7 25.Bg6 fg6= 26.Ra6 Ra8 27.Rba1 Ra6 28.Ra6 Kf7 29.Nd3 Rb8 30.Nbc5 h5 31.g3 g5 32.h3 Rb5 33.Kg2 Ng6 34.Ra7 Ne7 35.Nb7+= b3 36.cb3+/– Rb3 37.Ndc5 Rb2 38.Nd6 cd6 39.Nb7 Rb6 40.Nd8 Ke8 41.Ne6 Kf7 42.Nc7 Kg6 43.g4 h4 44.Ne8 Kf7 45.Rb7 Ra6 46.Nc7 Ra5 47.Rb6 Ra7 48.Nb5 Nc8 49.Rb8 Ra5 50.Nc7 Ne7 51.Rd8 Ra4 52.Rd6 (52.Rd6 Ra5 53.Ne6+/–) 1–0. michaelbuss – slogger, ChessWorld.net, 2007.

12.Qc1 b6 13.c4 Na5 14.cd5 Nd5 15.Nd4 =.

12.Qc1 Bg4 13.Re1 Bf3 14.Nf3 Ne5 15.Rb1 b6 16.g3 Nf3 17.Bf3 c6 18.e4 de4 19.Be4 Ne4 20.Re4 Qd7 21.Qg5 g6?? 22.Qf6+– Be5 23.Be5 Re5 24.Qe5 1–0. Mauron,Regis (1620) – Lacrouts,Maxime, Yvelines–ch Fontenay le Fleury, 2003.

12.Re1 Na5 13.Bc3= b6 14.Ba5 ba5 15.Qc1 c5 16.c4 Ng4 17.cd5 Bd5 18.Qc3 Qc7 19.h3 Bh2 20.Kf1+= Nf2 21.e4 Nh1 22.Nh2 Qh2= 23.ed5 Ng3 24.Kf2 Re2 25.Re2 Ne2 26.Ke2 Qg2 27.Kd1 Qh3 28.Kc2 Qg2 29.Qc5+= Qd5 30.Qd5 Rd5 31.Rh1 f5 32.Kc3 g6 33.d4 Kg7 34.Kc4 Rd7 35.d5 Kf6 36.Nf3 Rb7 37.d6 h5 38.Kc5 Rb3 39.Rd1 Rc3 40.Kb5 Rf3 41.Kc4 (41.Kc4 Rf1 42.Rf1+–) 1–0. Woelfelschneider,Peter (1975) – Farkas,Lajos (1840), Telechess CBM, 2004.

12.Re1 a6 13.Qb1 b6 14.d4 =.

8.0–0 Qe7

9.a3 Bf5?? 10.ab4+– (10.ab4 Nb4 11.Nd4+–) 1–0. "lasker" (2200) – pensalo (2020), internet, 2007.

9.Nc3 a6 10.h3 Bd6 11.d3 Ne5 12.e4 Nf3–/+ 13.Bf3 Qe5 14.ed5?? Qh2# 0–1. Hasler,Ulrich (1680) – Denzin,Michael (2185), Webchess op, 2005.

9.Nc3 Be6 10.a3 Bc5 11.Nb5 Bb6 12.Re1 Rad8 13.a4 a6 14.Nbd4 Nd4 15.Nd4 Bc8 16.Rb1 (16.a5 Bc5=) 16...c5 (16...Qd6 17.Bd3=) 17.Nf3 (better is 17.Nc6! bc6 18.Bf6 Qf6 19.Rb6+=) 17...Bc7 18.d4 ½–½. Milak,Adela (1665) – Schmitz,Tim (1915), Bad Homburg GER, 2014.

9.Nc3 Bf5 10.Re1 a6 11.d4 Bd6 12.Bd3 Be4 13.Qe2 h6 14.Nd2 Bd3 15.cd3 Nb4 16.Nb3 Qe6 17.a3 Nc6 18.Qf3 b6 19.Nd2 Re7 20.Rac1 Rae8 21.Ne2 Nd8 22.Ng3 c6 23.Nf5 Rb7 24.e4 Bf8 25.e5 Nd7= 26.Ng3 Be7 27.Rc2 Bf8 28.Qf5 Qf5 29.Nf5 f6 30.Nf3+= Rc7 31.Rce2 Re6 32.h3 Nf7 33.ef6 Re2= 34.Re2 Nf6 35.Bc1 Rc8 36.Re7 Ne8 37.Rb7 b5 38.Ra7 Nc7 39.Ne5 Ne5 40.de5+= Bc5 41.Rb7 a5 42.Nd6 Bd6+= 43.ed6 Ne6 44.Re7 (44.Re7 Nd8 45.d7+/–) 1–0. Psion – Psion, 1989.

9.c4 Bg4 10.Nc3 Rad8 11.cd5 Nd5 12.Rc1 a6 13.Nd4 Nd4 14.Bg4 Bc3 15.Bc3 Nc3 16.Rc3 Nb5 17.Rc2 c5 18.Qc1 b6 19.Qb2 Qd6 20.a4 Nc7 21.Rd1 Ne6 22.Be6 Qe6 23.a5+= Rb8 24.Rb1 Qe4 25.Rc3 Re6 26.Rc5!+/– bc5 27.Qb8 Re8 28.f3 Qe7 29.Rb7 Rb8 (29...Qf8 30.Qf4+/–) 1–0. Ranby,Hans – Wilk, corr 3GMM–23, 1997.

9.c4 Bg4 10.d4 dc4 11.Bc4 Rad8 =+.

9.c4 Bg4 10.d4 dc4 11.Bc4 Ne4 12.Be2 Bf5 13.a3 Ba5 14.Bb5 Bb6 15.a4 a6 16.Bc6 bc6 17.Ne5 c5 18.a5 Ba7 19.Nc3 (better is 19.f3!? Nd6 20.e4=) 19...cd4–/+ 20.ed4 c5 21.Na4 cd4 22.Nc6 Qg5 23.Nb6 Bh3 24.Qf3 Bg4 25.Qd3 Nc5 26.Qg3 Ne4 27.Qd3 Nc5 ½–½. Millstone,Michael (2330) – Hribersek,Jozef (2310), ICCF Jubilee P096 email, 2001.

9.d3 a6 10.Nbd2 Bf5 11.a3 Bc5 12.d4 Ba7 13.c4= dc4 14.Bc4 b5 15.Ba2 Rad8 16.Rc1 Qd6 17.Ng5 Bg6 18.Ndf3 Bb6 19.Nh4 Ne4 20.Ngf3 Qf6 21.Ng6= hg6? 22.Qc2+/– Na5 23.Ne5 Nd6 24.Ng6 Ndc4 25.Ne5 Ne5 26.de5 Qh4 27.Qf5 Nc4 28.Bc4+– bc4 29.Qc2 Re6 30.Qc4 Qh5 31.Rb1 Rg6 32.Qe4 Rh6 33.h3 Qg6 34.Qg6 Rg6 35.Rfc1 Rd3 36.Kf1 Rb3 37.Rc3 Rb5 38.Rc2 c5 39.Rd1 Rb3 40.Bc1 Kf8 41.e4 Ke8 42.Rc4 (42.Rc4 Ke7 43.h4+–) 1–0. Woelfelschneider,Peter – Baer,Werner, TT–07 ETC, 2003.

9.d3 b6 10.Nbd2 Ba3 11.Qc1 Bb2 12.Qb2 Ba6 13.Rfe1 Na5 14.Nb3 Nb7 15.Qd4 Nd6 16.a4 Nf5 17.Qb2 c5 18.h3 Rac8 19.Qa3 Rc6 20.Rac1 h6 21.c4 dc4=+ 22.dc4 Re6 23.a5= Bb7 24.ab6 ab6 25.Qb2 Ne4 26.Nbd2 Rg6 27.Ne4= Be4 28.Kh1 Rg2?? 29.Kg2+– Nh4 30.Kg3 Qd6?? 31.Kh4+– g5 32.Ng5 hg5 33.Kg5 Kh7?? 34.Bg4 Qh6# 0–1. Gottert,H – David,Rene (2180), Sala op Slovakia, 1994.

9.d3 Bc5 10.d4 Bd6 11.Nbd2 Bf5 12.Bb5 (12.c4 Qe6=) 12...Ne4 (12...a6 13.Bd3 Ne4 14.c4 Nd2 15.Qd2+=) 13.Ne4 Be4 14.c4 dc4 15.Bc4 Qf6 16.Rc1 (16.Nd2 Na5 17.Ne4 Re4+=) 16...Ne7 (16...Qh6 17.h3=) 17.Bd3 Qg6 18.Be4 Qe4 19.Qc2 Qc2 20.Rc2 Nd5 21.a3 f6 22.Nd2 c6 23.Nc4 Rad8 24.Rb1 Nb6 25.Na5 Rd7 26.Bc1 Ree7 27.Kf1 Kf7 (worse is 27...Bh2 28.g3+/–) 28.g3 ½–½. Turek,Lan Timotej (1925) – Kozarski,Filip (1895), SLO–ch U18 Postojna, 2008.

9.d3 Bg4 (--> 7.Nf3 Re8 8.0–0 Bg4 9.d3 Qe7).

9.d3 Ng4 10.a3 Bd6 =.

9.d3 Ng4 10.Nc3 Be6 11.a3 Ba5 12.d4 Nf6 13.Na4 (13.Qd3 g6=) 13...Ne4+= 14.Qd3 a6 15.c4 Qf6 16.Qc2 Rad8 17.Rac1 Kh8 18.Nc3 Nc3 19.Bc3 dc4 20.d5 Bc3 21.de6 (worse is 21.dc6 Bb2 22.cb7 Bc1 23.Rc1 Bd5–+) 21...Bb2 22.ef7 Rf8 23.Bc4 Bc1 (23...Rf7?? 24.Rb1 Ba3 25.Bf7 Qf7 26.Rb7+–) 24.Rc1 b5 (worse is 24...Rf7 25.Bf7 Qf7 26.Ng5+/–) 25.Ba2 Ne5 26.Ne5 Qe5 27.g3 (27.Qc7?? Qc7 28.Rf1 Rd2–+) 27...Rd7 28.e4 c5 29.Qc5 Rd1 30.Kg2 (30.Rd1 Qc5 Deflection) 30...Qe4 31.Kh3 Rdd8 32.Rd1 Rb8 33.Rd7 Qf3 34.Re7 a5 35.Qe3 (35.Bd5 Qh5 36.Kg2 b4+=) 35...Qd1 (35...Qe3!? 36.fe3 g6=) 36.Kg2+= b4 37.ab4 Qa4 38.Bd5 Qb5 39.Qf3 Qb4 40.Re6 Qd4 41.Bc6 Rb6 42.Re8 h6?? (42...Qc5 43.Qc3 Qd6+/– (43...Qc3?? 44.Rf8)) 43.Rf8 (43.Rf8 Kh7 44.Rh8 Kh8 45.f8Q Kh7 46.Q3f5 g6 47.Q5f7 Qg7 48.Q8g7#) 1–0. Mueller,Detlef (2000) – Faust,Dieter (2040), BdF remoteschach.de, 2008.

9.d3 Ng4 10.Nc3 Be6 11.Nb5 a6 12.Nbd4 Nd4 13.Nd4 Qh4 14.h3 Ne5 15.Ne6 Re6 16.Rb1 Bd6 17.Be5+= Be5 18.d4+/– Bd6 19.Rb7 Rg6 20.Kh1 Re8 21.c4 dc4 22.Bc4 Qg5 23.Qf3 Rf6 24.Qc6 Rd8 25.Qa6 (25.Qa6 Qh4 26.Rb2+–) 1–0. Woelfelschneider,Peter – Drzasga,Michael, T4–12 TSC, 2002.

9.d3 Ng4 10.Nc3 Qf6 11.Qd2 =.

9.d3 h6 10.Nbd2 Ba3 11.Qc1 Bb2 12.Qb2 a5 13.d4 Qb4 14.Rab1 Ne4 15.Qa1 Qa3 16.Ne4 de4 17.Nd2 b6 18.Bb5 Bd7 19.d5 Ne5 (19...Nb8!?=) 20.Ne4+/– Bb5 21.Rb3 Qe7 22.Rb5 Nc4 23.Ng3 Qe5 24.Qe5 Re5 (worse is 24...Ne5 25.Rd1+/–) 25.e4 c6 26.f4 cb5 27.fe5 Ne5 28.Nf5 Kf8 29.Rd1 Rc8 30.d6 b4 (worse is 30...Rc2 31.d7 Nd7 32.Rd7+–) 31.h3 f6 32.Kf1 h5 (32...Rc2 33.d7 Nd7 34.Rd7 Ra2 35.Rd8 (35.Ng7? b3 36.Ne6 Ke8–+) 35...Kf7 36.Rd3=) 33.Nd4 Ke8 34.Nf5 Rc2 35.Ng7 Kd8 36.Nh5 Ra2 37.Nf6 b3 38.Nd5 b2 39.Nc3 (39.Nb6?? Ra1 40.Ra1 ba1Q (40...ba1N?! 41.Ke2=; 40...ba1B?! 41.Ke2–/+) 41.Kf2 Qd4 42.Kg3 Qb6–+) 39...Nc4 40.Re1 (40.Ke1 Ra1 41.Ke2–+) 40...Ra1–+ 41.e5 a4 42.e6 Nd6 43.Kf2 a3 (43...a3 44.Re2 Rh1–+) 0–1. usingprogram (2030) – marcinzgrabin (2110), kurnik, 2013.

9.d3 h6 10.Nbd2 Bf5 11.c4 Rad8 12.Rb1 Bc8 13.Qc1 a6 14.a3 Ba5 15.cd5 Nd5 16.Nc4 b5 17.Na5 Na5 18.Bc3 Nc3 19.Qc3 Nb7 20.Nd4 Rd6 21.Bf3 c5 22.Nb3 Rg6 23.Rfc1 Bf5 24.Nc5 ½–½. Poschmann – Malmstroem, email 4AMM–F 1997–98.

9.d4 Ne4 10.c3 Bd6 11.Nbd2 Bg4 12.Ne4 de4 13.Nd2 Be2 ½–½. Djosic,Slavoljub (2250) – Vucicevic,Moma (2305), Beograd SER, City Team Ch, 2013.

9.d4 Ne4 10.c4 dc4 11.Bc4 Bf5 12.Bb5 Ng5 13.d5 Rad8 14.Kh1 Be4 15.Bc6 bc6 16.Qd4 f5 17.Ne5 c5 (17...cd5 18.Nc6 Qf8 A) 19.Nb4 c5 20.Qg7 Qg7 21.Bg7 Kg7–+ (21...cb4?! 22.Bf6 Rd6 23.Bg5=); B) 19.Qb4 Qb4 20.Nb4+/–; 17...Rd5?! 18.Nc6 Qd7 19.Qg7 Qg7 20.Bg7 Kg7 21.Nb4=) 18.Qd1 Rd5 19.Qb3 Nf7 20.Nf7 Qf7 21.Nc3 Bc3 22.Qc3 Red8 23.Rg1 c4 24.Rac1 c5 25.Qc4 Rd2–+ 26.Qf7 Kf7 27.f3 Bd3 28.Ba1 Rd5 29.a3 Ra2 30.Rge1 c4 31.e4 fe4 32.fe4 Rg5 33.g3 Rh5 34.h4 g5 35.e5 gh4 36.e6 Ke7 37.g4 Rg5 38.Bf6 Kf6 39.e7 Be2 40.e8N Kg6 41.Re2 Re2 42.Nd6 c3! 43.Nf5 Rg4 44.Nd6 c2 45.Nb5 Rgg2 46.Nd4 Rh2 47.Kg1 Reg2 48.Kf1 h3 49.Nf3 Rh1 0–1. Bonetti,Shane – stormx (2600), ICC, 2002.

9.d4 Ne4 10.c4 dc4 11.Bc4 Bg4 12.h3 Bh5 13.a4 Rad8 14.Ba3 Ba3 15.Ra3 Rd6 16.Be2 f5 17.Qb3 Kh8 18.Ne5 Bg6 19.Nc6 Rc6+= 20.Bb5 Rb6 21.a5 Rb5 22.Qb5 Nd2 23.Nd2 Qa3 24.Nc4 Qd3 25.Nd6 Qb5 26.Nb5 c6 27.Nd6 Rb8 28.Rc1 Kg8 29.a6 ba6 30.Rc6 a5 31.Rc7 (31…a6 32.Kf1+/–) 1–0. Svensson,Jan – Sternik,Ryszard, corr 3GMM–13, 1995.

9.d4 Be6 10.c3 Bd6 11.Nbd2 Na5 12.Qc2 b6 13.c4 c6 (13...Nc4 14.Nc4 dc4 15.Bc4=) 14.Rfc1 (14.c5 Bc7=) 14...Rac8 (14...Nc4 15.Nc4 dc4 16.Bc4 Bc4 17.Qc4=) 15.Ng5 (15.c5 Bc7+=) 15...Bd7 (15...Bb4 16.c5=) 16.c5 Bc7 17.Ba6 Rb8 18.Bd3 g6 19.Ngf3 (19.cb6 ab6 20.Ngf3 b5+=) 19...b5= 20.a4 a6 (20...b4 21.Ne5=) 21.Rab1 ½–½. Franke,Roland (2010) – Lerstad,Bjorn (1910), Sibenik CRO, Euro Senior Team Ch, 2014.

9.d4 Bf5 10.a3 Ba5 11.c4 dc4 12.Bc4 Rad8 13.Nbd2 Ne4 14.Nb3 Bb6 15.a4 a5 16.Bb5 Bg4 17.Rc1 Ne5 18.Ba3 Qa3 19.Be8 Qe7 20.Ne5= Bd1 21.Bf7 Kh8 22.Rfd1 Rf8 23.f3 Nf6= 24.Bc4 Nd7 25.Nd7 Qd7 26.Bb5 Qe6 27.Rc3 c6 28.Bc4 Qe7 29.Nd2= Bc7 30.Rb1 Bb8 31.Rcb3 g5 32.Nf1 g4? 33.Rb7+– Qd6 4.Bd3 Bc7 35.Be4 gf3 36.Bf3 Qd8 37.Bc6 Qh4 38.Bf3 Bd6 39.R1b5 Qe1 40.Rh5 Rf3 41.Rhh7 Kg8 42.gf3 Qe2 43.Rbg7 Kf8 44.Rd7 Kg8 45.Rhg7 Kf8 46.Rgf7 Ke8 47.Rh7 Bh2 48.Rh2 Qf3 49.Ra7 Qg4 50.Rg2 Qe6 51.Rg8 (51.Rg8 Qg8 52.Kf2 Qa2 53.Kf3 Qa4 54.Ng3=; better is 51.Ra5 Qd7 52.Ra8 Kf7 53.a5+–) 1–0. Kreuzer – Strobel, tt Verb'Liga, 1985.

9.d4 Bf5 10.c4 dc4 11.Bc4 Ne4 12.a3 Bd6 13.Nbd2 Na5 14.Ba2 Nd2 (14...Ba3? 15.Ba3 Qf6 16.Ne4 Be4 17.Ne5 Re5 18.de5+–) 15.Qd2 Nc6 16.Bb1 Bb1 17.Rfb1 Qe4 18.Qc3 Ne7 19.Nd2 Qh4 20.h3 Nd5 21.Qb3 Nb6 22.a4 a5 23.Ba3 Re6 24.Bd6 Rd6 25.Nf3 Qd8 26.Ne5 Re6 27.Qd1 Re7 28.Qf3 c6 29.Rc1 Qd5 30.Qf4 f6 31.Nd3 Nc4 32.Rab1 b5 33.Qg4 b4 34.Nf4 Qf7 35.Qe2 Na3 36.Rb2 Rc7 37.Rc5 Rcc8 38.Qf3 Qe8 39.Qg4 g6 40.h4 Rd8 41.h5 g5 42.Ne6 Rd6 43.Ng5 fg5 44.Qg5 Kh8 45.Ra5 Ra5 46.Qa5 c5 47.Qc5 Rc6 48.Qg5 h6 49.Qf5 Rc1 50.Kh2 Qe7 51.Qf4 (51…Kg7 52.Qe5 Qe5 53.de5+/–) 1–0. Loulou – celepons, HCL–A1198 playchess.de, 2003.

9.Nd4 Nd4 10.Bd4 c6 11.a3 Bd6 12.g3 Bh3 13.Re1 b5 14.Nc3 a5 15.Bf3 Ba3 16.e4 (16.Bf6 gf6 17.e4 d4–/+) 16...b4 (16...Bc5 17.Bc5 Qc5 18.ed5 Re1 19.Qe1 cd5 20.Qe3+=) 17.Na4 (17.Nb1!?–/+) 17...de4–+ (17...Ne4?! 18.d3 f5 19.de4 fe4 20.Bh5=) 18.Bf6 Qf6 (18...gf6?! 19.Be4 f5 20.Bc6 Qe1 21.Qe1 Re1 22.Re1+=) 19.Re4 Re4 20.Be4 Re8 21.Bh1?? (better is 21.d3–+) 21…Re2! (21...Re2 22.Qe1 Qe5–+) 0–1. Neumann,Frank (1650) – Faber,Hans_Alban (2350), RSX16D–Goldener Oktober–1, 2007.

9.Re1 Bf5 10.c3 (10.Nc3 Rad8=) 10...Bd6+= 11.d3 Ng4 12.Nbd2 Nf2 13.Kf2 Qe3 14.Kf1 Bd3 15.Bd3 Qd3 16.Re2 (16.Kg1 Bc5 17.Kh1 Re1 18.Qe1 Rd8=) 16...Re7–/+ 17.Ne1 (17.Nb3!? Qc4 18.Nbd2–/+) 17...Qb5–+ 18.Rb1 Rae8 19.c4 dc4 20.Re7 Ne7 21.Kg1? (better is 21.Bd4 Qf5 22.Kg1 Bh2 23.Kh1–+) 21...Qc5–+ 22.Kh1 c3 23.Rc1 Nd5 (better is 23...Qe5 24.Nef3 cb2 25.Ne5 bc1R (25...bc1B?! 26.Ndf3 Nc8 27.Nf7 Kf7 28.Qc1–/+; 25...bc1N?! 26.Nef3–/+) 26.Qc1 Be5–+) 24.Nb3? (24.Ndf3 Qb5 25.Ba1 Qf1 26.Ng1–+) 24...Qf2 25.Nd3 Qh4 26.Bc3 (26.Qg1 cb2 27.Nb2–+) 26…Qh2# 0–1. Pscheidl,Udo (1770) – Pirs,Matjaz (2530), RSS5E NoEngine–134, 2011.

9.h3 Ne4 10.c4 dc4 11.Bc4 Ng5 12.Ng5 Qg5=+ 13.Qf3 Be6 14.Be6 Re6 15.d4 Rd8 16.Nc3 Bc3 17.Bc3 Qd5 18.Qd5 Rd5 19.Rfe1 Rg5 20.f4. Sternik,Ryszard – Drechsler,A, corr ICCF EU–M–GT–346, 1991.

9.a3 Bd6

10.c4 dc4 11.Bc4 Bg4 12.d4 Ne4 13.Be2 Rad8 14.Nbd2 a6 15.Ne4 Qe4 16.h3 Bf5 17.Rc1 Ne7 18.Bc4 h6 19.Nd2+= Qh4 20.Qf3 Bg6= 21.Be2 b5 22.Nb3 Be4 23.Qg4 Qg4 24.Bg4 Bd5 25.Nc5 Bc4 26.Nb7 Bf1 27.Nd8 Bg2 28.Nf7 Kf7 29.Kg2 g6 30.e4 Bf4 31.Rc3 Rb8 32.h4 b4 33.Rf3 g5 34.hg5 hg5 35.ab4 Rb4 36.Bc3 Rc4 37.Rh3 a5 38.Be2 Rc6 39.Ba5 Ng6 40.Rc3 Rc3 41.Bc3 Ke7 42.Kf3 Kd7 43.Bb4 Bd6 44.Bb5 c6 45.Bd6 Kd6 46.Ba4 c5 47.dc5 Kc5 48.Kg4 Nf4 49.Kf5 Nd3 50.f3 Kd6 51.Bd1 Nf2 52.Bc2 Nh3 53.Kf6 Kc5 54.e5 Nf4 55.Be4 (55.Be4 Nh5 56.Kg5+–) 1–0. Poschmann,Hans – Malmstroem,Jan, IECC, 1999.

10.c4 dc4 11.Bc4 Bg4 12.d4 Ne4 13.Be2 Qf6 14.Nc3 Nc3 15.Bc3 Qh6 16.g3 Ne7 17.e4 Nc8 18.Ne5 Be2 19.Qe2 Qe6 20.Rfe1 Be5 21.de5 Nb6 22.Rab1 Qe7 23.Qb2 Rab8 24.Qb3 Nd7 25.f4 b5 26.Qd5 a6=+ 27.Qc6 Qa3 28.Rb4 a5 29.Ra1 Ne5 30.fe5 ab4–/+ 31.Ra3 ba3 32.Kf2 a2 33.e6 Re6 34.Qc7 Rbe8 35.Qa5 b4 36.Ba1 b3 37.Qg5 g6=+ 38.Qb5 Re4 39.Qb3 Re2 40.Kf3 R8e6 41.Qd3 Re1 42.Qd8+= Re8 43.Qd4 R8e5 44.g4 h5 45.gh5+= R1e3 46.Qe3 Re3 47.Ke3 Kh7? 48.Kf4 Kh6+/– 49.hg6 fg6 50.Kg4 g5 51.h3 (51.Bc3 Kg6+/–) ½–½. pierre – mtesla, internet, 2006.

10.c4 Be6 11.cd5 Bd5 12.Nc3 Bf3 13.Bf3 Qe5 14.g3 Qc5 15.d4 Qb6 16.Rb1 Qa6 17.Be2 Qa5 18.Nb5 Be7 (18...Ne4!?+=) 19.Bc3 Qa6? (better is 19...Qb6+/–) 20.Nc7 Qa3 21.Ne8 Re8 22.Ba1 (22.Rb3 Qa2+–) 22...Bb4? (22...Nb4 23.Bc4+–) 23.Bb5 (better is 23.d5 Ne5 24.Bb5+–) 23...Rc8?? (23...a6 24.Bc6 bc6 25.Qc2+–) 24.Qb3 (better is 24.d5 Be7 25.Bf6 Bf6 26.dc6 bc6 27.Bc6+–) 24...Qb3 25.Rb3 a5 26.Rc1 Bd2 27.Rc2 Bb4 28.Bc6 bc6 29.Bc3 Nd5 30.Bb4 Nb4 31.Rc5 Ra8 32.Ra3 g6 33.Rca5 Rc8 34.Ra8 Ra8 35.Ra8 Kg7 36.Rb8 Nd3 (36...Nd5 37.Kg2+–) 37.Rb6 c5 38.Rb3 c4 39.Rd3! cd3 40.Kf1 f5 41.Ke1 Kf6 42.Kd2 Ke6 43.Kd3 Kd5 44.f3 h5 45.e4 fe4 46.fe4 Kd6 47.e5 Kd5 48.h4 Ke6 49.Ke4 Kd7 50.d5 Ke7 51.Kf4 1–0. mr5reasons1 (1675) – bboehrer (1815), gameknot.com, 2013.

10.d3 Be6 11.Nbd2 =+.

10.d3 Ng4 11.Nc3= Nce5 12.g3 c6 13.Ne5 Ne5 14.e4 d4–/+ 15.Nb1 Bh3 16.Re1 c5 17.c3 Nc6 18.cd4 Nd4 19.Bf1 Bf1 20.Rf1 Qf6 21.Kg2 Rad8 22.Nc3 Qe6 23.Nd5 f5 24.Re1=+ ½–½. Pommerel,Wim – Denecke, corr CiF, 1990.

10.d4 Na5 11.Nbd2 a6 12.Bc3 Nc6 13.Bb2 b5 14.a4 Rb8 15.ab5 ab5 16.c3 Ne4 17.Qb3 Bg4 18.Bd1 (18.Bb5 Nd8 19.Qd5 Nf6+=) 18...Be6 19.Be2 Qf6 20.Qc2 Bf5 21.Ne4 Be4 (worse is 21...Re4 22.Bd3+=) 22.Qd2 Qh6 23.h3 Rb6 24.Ra2 b4 25.Rfa1 b3 26.Ra4 Qg6 27.Qd1 Rbb8 28.c4 Nb4 29.c5 (29.Qb3?? Nd3 30.Qb8 Rb8–+) 29...Bf8 30.Qd2 (30.Qb3? Nd3 31.Qc3 Nb2–+) 30...Na2 31.Ra6 c6 32.Ra3 Rb7 33.Kh2 h6 34.Bd1 Reb8 35.Ne1 Nb4= 36.f3 Bc2 37.Be2 Be7 38.g3 Bd8 39.Bc3 h5 40.h4 Bc7= 41.f4 Bd8 42.Rc1 Be7 43.Bb4+/– Rb4 44.Nc2 bc2 45.Rc2 f5 46.Rca2 Qe8 47.Bd1 g6 48.Ra7 Bf8 49.Ba4 Qc8 50.Qd3 R4b7 51.Ra6 Rb2 52.Rb2 Rb2 53.Kh3 Rd2 54.Qd2 Qa6 55.Bd1 Qf1 56.Kh2 Be7 57.Qe2 Qe2 58.Be2 Kf7 59.Kg2 Ke8 60.Ba6 Kd7 ½–½. Hoch,Hubertus – Potrata,Janko (2250), WS/M/049 ICCF, 2006.

10.Bf6 gf6 11.Nc3 +=.

10.Bf6 Qf6 11.Nc3 d4 12.Nb5 =.

10.Bf6 Qf6 11.Nc3 Ne7 12.Nb5 Nf5 13.d4 a6 14.Nd6 Nd6 15.Ne5 Qg5 16.Rb1 b5 17.a4 Ne4 18.Qe1 ba4 19.f4 Qd8 20.c4 Bf5 21.cd5 f6 (21...Qd5? 22.Bc4 Re5 23.Bd5 (23.fe5?! Qc4 24.Rf5 Rc8+/–) 23...Rd5 24.Rb7+–) 22.Rc1 (22.Nc6!? Qd5 23.Rc1=) 22...fe5–/+ 23.fe5 Bg6 24.Rc6 Attacking the isolated pawn on a6 (24.Bd3 Kh8 25.Rc6 Qd5 26.Rg6 Nd2 27.Qd2 hg6+/–) 24...Rb8 (24...Qd5?? 25.Bc4 Qc4 26.Rc4+–) 25.Bc4 Kh8 26.Rg6 hg6 27.Rf3?? (27.Bd3 Qd5 28.Qh4 Kg8 29.Be4 Qe6+=) 27...Nd6 (better is 27...Ng5!? 28.Qh4 Kg8 29.d6 Ne6–/+) 28.ed6+= cd6 29.Bd3 Qg5 ½–½. Hoch,Hubertus – Joutsi,Jukka (2125), WS/M/049 ICCF, 2006.

10.Bf6 Qf6 11.Nc3 Qh6 12.Nd5 Be6 13.Nc3 Ne5 14.g3 Nf3 15.Bf3 c6 16.Qe2 Bf5 17.d4 Qf6 18.Rfb1 Rab8 19.a4 a5 20.Bg4 Bg6+= 21.Rb3 Bb4 22.Na2 Bd6 23.Rab1 b5 24.ab5 a4 25.Rc3 cb5 26.Rb5 Be4 27.f3 Bb7 28.Qc4 g6 29.Qf1 Qe7 30.Ra5 Ra8 31.Ra8+/– Ra8 32.e4 f5 33.Qc4 Kh8 34.ef5 (34.e5 fg4 35.ed6 Qd6=+) ½–½. Grott,Peter – Kruse,Ernst Bruno, D0320 DESC, 2005.

9.c4 dc4

10.Qc2 Na5!? –/+.

10.Qc2 b5 11.a4= ba4 12.Bc4 Na5 13.Bb5 c6 14.Be2 Be6=+ 15.Nd4 Bb3 16.Nb3 ab3–/+ 17.Qf5 c5 18.Ra4 Rab8 19.Qg5 Red8 20.Rd1 Rb6 21.d3 h6 22.Qg3 Qd7 23.Ra1 Nc4 24.Bf6 Rf6 25.Bg4 Qd5 26.Nc3–/+ Qe5 27.Ne4 Rg6 28.f4 Qe7 29.dc4 Rd1–+ 30.Rd1 Qe4 31.Qf3 Qf3 32.Bf3 Re6 33.Rd3 b2 34.Rb3 Bc3 35.Kf2 a5 36.Bd5 Re7 37.Ke2 a4 38.Rb8 Kh7 39.Kd3 Bb4 40.Kc2 a3 41.e4 Ra7 42.Ra8 a2 (42...a2 43.Kd3 b1Q 44.Ke2 Qe1 45.Kf3 a1Q 46.f5 Qad1 47.Kf4 Qed2 48.Kg3 Qg5 49.Kf2 Qf4#) 0–1. Vidonyak,Nellya (2280) – Gara,Anita (2300), BL, 2002.

10.Bc4 Bg4 11.d4 Rad8 12.Nc3 Bc3 13.Bc3 Ne4 14.Bb2 Bf3=+ 15.gf3 Nd6 16.Be2 Qh4 17.Kh1 Nf5 18.Bd3= Rd5 19.f4 Nd6 20.Qf3 Rh5 21.Qg2 Nb4 22.Be2 Rh6 23.a3 Ree6 24.ab4 Reg6 25.Ra7 f5 26.Ra8 Kf7 27.Rg1 Ne4 (27...Ne4 28.Qg6 hg6–+) 0–1. Gnuechtel,Andreas – Woelfelschneider,Peter, corr TKM/A004, 1999.

10.Bc4 Bg4 11.d4 Ne4 12.h3 Bh5 13.a3 Bd6 14.Nbd2 (14.Bd3 Rad8+=) 14...Nd2–/+ 15.Qd2 Bf3 16.gf3 Qg5 17.Kh1 Qf5 18.Kg2 Ne7 19.e4 (better is 19.f4!?+=) 19...Qg6–/+ 20.Kh1 Qh5 21.e5 Qh3 22.Kg1 Ng6 (22...Qf3?! 23.Qd3 Qg4 24.Qg3=) 23.Qg5 Nh4 24.Bd5 Re6 25.ed6 Rg6 26.Qg6 Ng6 27.dc7 (27.Bc1 c6 28.Be4–+) 27…Nf4 (27...Nf4 28.c8Q Rc8 29.Bf7 Kf7 30.Rfe1 Qg2#) 0–1. Dagis,Martins – Siikaluoma,Auno, Baltic New ICCF Players Tournament, 2005.

10.Bc4 Bg4 11.Be2 Nd5 12.a3 Bd6 13.Re1 Bf3 14.Bf3 Nf4 15.d4 Ng6 16.g3 Nd8 17.Nd2 c5 18.Ne4 cd4 19.Nd6 Qd6 20.Bd4 Ne5 21.Bg2 Ndc6 22.Bc3 Qc5 23.Qb3 Nd3 24.Re2 Rad8 25.Rc2 Qe7 26.Rf1 Rd7 27.Ba1 Nce5? 28.Qc3 f6= 29.Rd2 Red8 30.Rfd1 g5 31.h3 Qe6 32.Kf1 Qa6+= 33.Kg1 Qe6 34.Rb1 b6 35.Kh2 g4 36.Qb3 Qb3 37.Rb3 Ne1 38.Rd7 Rd7 39.Be5 fe5 40.hg4 Rd2 41.Rb1 Ng2 42.Kg2+/– Ra2 43.Rb3 e4 44.Rc3 a5 45.Rb3 a4 46.Rb6 Ra3 47.Rb4 Ra1 48.Re4 Kf7 49.Kf3 a3 50.Ra4 a2 51.g5 Kg6 52.Kg4 Kf7 53.Kf5 Rb1 54.Ra2 Rb5 55.Kf4 Rb6 56.e4 Kg6 57.Kg4 Kg7 58.Kf5 Rb7 59.f4 Rf7 60.Kg4 Re7 61.Ra4 Rc7 62.f5 Kf7 63.Rd4 Re7 64.Kf4 Rb7 65.e5 Ke8 66.e6 Rb3 67.f6 (67…Rb8 68.Rd7+–) 1–0. Lipok,Erik (2100) – Grimm,Sascha (2325), Niederbayern–chA, 2000.

10.Bc4 Bg4 11.Be2 Bd6 12.Nc3 a6 13.d4 Rad8 14.Re1 Nb4 15.a3 Nbd5 16.Nd5 Nd5 17.Ne5 Be2 18.Qe2 c6 19.Red1 Qe6 20.a4 a5 21.Rac1 Bc7 22.Nd3 Qg6 23.Qf3 Qd6 24.g3 Qg6 25.h4 h5 26.Nc5 f5 27.Kh1 Re7 28.Re1 Rf8 29.Ba3 f4 30.gf4 Nf4 31.Nd7?? Rd7+= 32.Bf8 Nd3 33.Rg1 Qe6 34.Rcf1 Rf7 35.Rg7 Kf8 36.Rf7 Qf7 37.Kg2 Bd8 38.Qf7 Kf7 39.f4 b5 40.d5 ba4 41.dc6 Ke7 42.Kf3 Nc5 43.Rd1 a3 44.Rd2 a4 45.e4 Ba5 46.Ra2 Bc3 47.Ra3 Bb2 48.Ra2 a3 49.f5 Nd3 50.f6 Kd6 51.Ke3 Ne5 0–1. Hermans,Marcel (2020) – Futida,Souitiro (2150), CL2–2007.09.10, 2007.

9.c4 Be6

10.a3 Bd6 11.Qb3 Na5 –/+.

10.a3 Bd6 11.Qc2 dc4 12.Bc4 Bc4 13.Qc4 a6 14.d4 Nb8 15.a4 Nbd7 16.Nc3 c6 17.a5 Bb4 18.Rfc1 Rac8 19.Ne1 Nf8 20.Nf3 Ng6 21.Ne1 Rcd8 22.Nd3 Bd6 23.g3 Qd7 24.Nb1 Qh3 25.Nd2 Ng4 26.Nf3 Bg3 27.Qf7 Kf7–/+ 28.Ng5 Kg8 29.Nh3 Bh2 30.Kh1 Bc7 31.Rg1 Nf6 32.Nc5 Ne4 33.Ba3 Rd5 34.Ne4 Re4–+ 35.Rab1 Rb5 36.Rb5 ab5 37.Bb4 Ne5 38.Bc3 Nc4 39.Ra1 h6 40.Kg2 g5 41.a6 ba6 42.Ra6 Bb6 43.Ra8 Kf7 44.Rc8 Re6 45.Bb4 Rf6 46.Kg3 Kg6 47.Kg4 Ba5 48.Ba5 Na5 49.Rg8 Kf7 50.Rc8 Re6 51.Ng1 Nc4 52.Kh5 Ke7 53.Rh8 Nd6 54.Rh6 Rh6 55.Kh6 b4 56.Ne2 b3 57.Nc3 Kf6 58.Kh5 Kf5 59.f3 b2 60.Nb1 Nc4 61.e4 Kf4 62.e5 Kf5 63.Kh6 Ne3 (63...Ne3 64.e6 Kf6–+) 0–1. Simmelink,Joop – Malfait,Andre, corr Kuhlmann mem, 1999.

10.a3 Bd6 11.Qc2 Rad8 12.d4 dc4 13.Bc4 Bc4 14.Qc4 Ng4 15.Qc3 Qf6 16.h3 Nh6 17.Nbd2 Nf5 18.Nc4 Re4?? 19.Qc2 Qe7 20.Ncd2 Re8 21.Qe4 Qe4 22.Ne4 Re4 23.Rfd1 f6 24.Nd2 Re8 25.Nc4 Bf8 26.Bc3 Nd6 27.Na5 Na5 28.Ba5 b6 29.Bb4 a5 30.Bc3 Ne4 31.Bb2 Bd6 32.a4 Kf7 33.Rdc1 Ke6+/– 34.Ba3 Rc8 35.Bd6 Kd6 36.Rab1 Kd7 37.f3 Ng3 38.Kh2 Nf5 39.e4 Nd4+/– 40.Rd1 c5 41.Rb6 Kc7 42.Ra6 Kb7 43.Rd6 Kc7 44.Rd5 Kc6 45.Rc1 Ne6 46.f4 g6 47.g4 Rb8 48.f5 Rb2 49.Kg1 gf5 50.gf5 Ng5 51.Rcc5 Kb6 52.Rb5 Rb5 53.Rb5 Ka6 54.Kg2 Ne4 55.Rd5 Kb6 56.Rd4 Ng5? 57.Rd6 Kc5 58.Rf6 Kb4 59.Rb6 Ka4 60.Kg3 Ne4 61.Kf4 Nc5 62.h4 Nd3 63.Kg5 (63…h5 64.f6+–) 1–0. Bott,Hans Joachim – Miethke,Joerg, Baden–ch HT1, 1994. Known even as "Botterill,George S – Miethke, Hockenheim GER, 1994".

10.a3 Bd6 11.Nc3 dc4–/+ 12.d3 cd3 13.Bd3 Rad8 14.Ne4?? (better is 14.Nb5–/+) 14...Ne4–+ 15.Qb1 (15.Be4 Bh2! 16.Nh2 Rd1 17.Rfd1 Na5–+) 15...Nf6 (15...Bd5!? 16.g3–+) 16.Ng5 (16.Bf6 Qf6 17.Bh7 Kh8–+) 16...h6 (16...Bh2 17.Kh1 Be5 18.Bh7 Kh8 19.Be5 Ne5 20.Bf5–+) 17.Ne6 Qe6 (worse is 17...fe6 18.Bf6 Qf6 19.Bh7 Kf7 20.Be4–+) 18.Bf6 Qf6 19.Qb7 Bh2! 20.Kh2 Rd3 21.Qc7 Rd5 22.Rac1 Ne5 23.Rc4 Qg5 24.g3 Qh5 25.Kg2 Qf3 26.Kg1 Nc4 27.Qc4 Rh5 (27...Rh5 28.Qh4 Rh4 29.gh4 Re4 30.Rc1 Rh4 31.Rc8 Kh7 32.Rh8 Kh8 33.e4 Rh1#) 0–1. Neumann,Frank (1650) – Roos,Bernhard (1825), RSS7E easy–61, 2007.

10.cd5 Bd5 11.a3 Ba5 12.Nc3 Bc3 13.Bc3 Ne4 14.Bb2 Nc5 15.d4 Ne4 16.Rc1 Qe6 17.Re1 Rad8 18.Bb5 Qf5 19.a4 Nd6 20.Be2 a6 21.Rf1 Qg6 22.Ba1 b5 23.ab5+= Nb5 24.Rc5 Bf3 25.Bf3+= Ne7 26.Qa4 Qb6 27.Rb1 c6 28.Qc2 Rd6 29.Rc1 Rb8 30.Bc6?? Nd4 31.Bd4 Nc6 32.Rh5 Nd4 33.Qh7 Kf8 34.ed4 Rh6 35.Rh6+/– Qh6 36.Qh6 gh6 37.Rd1 a5+= 38.f4 a4 39.d5 Ke7 40.d6 Kd7–/+ 41.Rd5 a3 42.Ra5= Rb1 43.Kf2 Rb3 44.Ra7 Kd6 45.Rf7 h5 46.Rf6 Kc5 47.Ra6 h4 48.g4 Rb2= 49.Kf3 a2 50.h3 Kb4–/+ 51.Ke4 Rc2 52.g5?? Rc4–+ 53.Kf5 Rc5 54.Kg4 Ra5 55.Ra5 Ka5 56.Kh4 a1Q 57.f5 Qe1 58.Kh5 Qf1 59.Kg6 Qh3 60.f6 Qh4 61.Kf5 Qh5 62.Kf4 Ka6 63.Kf5 Kb5 64.Kf4 0–1. Bonetti,Shane – Celes (2125), ICC, 2002.

10.cd5 Bd5 11.a3 Ba5 12.Nc3 Bc3 13.Bc3 Ne4 14.Bb2 Nc5 15.d4 Ne4 16.Rc1 Qe6 17.Re1 Rad8 18.Bb5 Qg6 19.Qc2 Qd6 20.Ne5+/– Qe6 21.f3 Nd6 22.Nc6 Bc6 23.Bc6 bc6 24.Qc6 Qb3 25.Qc3 Rb8 26.Qc7 Qb2 27.Qd6 Qd2 28.Qc6 Rbd8 29.Rcd1 Qa5 30.a4 Rb8 31.Re2 Qb6 32.Qb6 Rb6 33.e4 Reb8 34.d5 Rc8 35.d6 Rd8 36.Rc2 Kf8 37.Rcd2 f6 38.Rd5 Ra6 39.a5 Kf7 40.d7 Ke6 41.f4 Rc6 42.f5 Ke7 43.e5 fe5 44.Re5 Kf7 45.Red5 Rc7 46.R1d4 Ke7 47.Rh4 h6 48.Rg4 Kf7 49.Rgd4 Ke7 50.Kf2 Rdd7 51.Rd7 Rd7 52.Rd7 Kd7 53.Kf3 Ke7 54.Kf4 Kd6 55.f6 gf6 56.Kg4 Kc6 57.Kh5 Kb5 58.Kh6 Ka5 59.h4 Kb4 60.Kg6 a5 61.h5 a4 62.h6 a3 63.h7 Kb3?? 64.h8Q+– f5 65.Qg8 Kb2 66.Kf5 a2 67.Qa2! Ka2 68.g4 Ka1 69.g5 Kb2 70.g6 Ka3 71.g7 Kb4 72.g8Q Kb5 73.Qc8 Kb4 74.Qc6 Ka3 75.Qb5 Ka2 76.Ke4 Ka3 77.Kd4 Ka2 78.Kc3 Ka3 79.Qb3# 1–0. Bonetti,Shane – Celes (2125), ICC, 2002.

10.cd5 Nd5

11.Bb5 =+.

11.Qc2 Bd6

12.a3 a6=+ 13.Bd3 h6 14.Nc3 Qd7 15.Rfc1 Rab8 16.Bh7 =.

12.a3 Rab8 13.Nc3 Nc3 14.Qc3 f5 15.Bc4 Bc4 16.Qc4 =.

12.a3 Rad8 13.Bb5 Bd7 14.d3 a6 15.Bc4 Nb6 16.Qc3 =+.

12.a3 Rad8 13.Nc3 a6 14.Bd3 h6 15.Ne4 Bc8 16.Nd6 Rd6 17.Rfe1 Bg4 18.Nd4 Nd4 19.Bd4+= Qg5 20.g3 Bf3= 21.Be2 Be2=+ 22.Re2 Qg4 23.Ree1 Rde6 24.Rf1 Rd8 25.Bb2 Rc6 26.Qd1 Qg6 27.Rc1 Rc1 28.Qc1 Qd3 ½–½. Engles,Michael – Castle,Thomas, WCCF, 2002.

12.a3 Rad8 13.d3 =+.

12.a3 Bg4 13.h3 Bh5 14.Qf5–/+ Nf4 15.Bd1?? Bg6–/+ 16.Qg5 Nd3 17.Bc3 Qg5 18.Ng5 Rad8 19.f4 Bc5 20.f5+= Re3 21.de3+– Be3 22.Kh2 Bg5 23.fg6 hg6 24.Bb3 Rd7 25.Ba4 Nc5 26.Bc6 bc6 27.Be5 Re7 28.Bg3 Re2 29.Nc3 Rc2 30.Nd1 Ne4 31.Bc7 Nd2 32.Rf2 Bh4 33.Bg3 Bg3+/– 34.Kg3 Ne4 35.Kf3 Nf2 36.Nf2 Rc3 37.Ke2 Rc2 38.Kf1 c5 39.a4 Kf8 40.Ne4 Rc4 41.Nd2 Rc2 42.Nf3 c4 43.Rb1 c3 44.Rb8+– Ke7 45.Rc8 Kd7 46.Rc4 Kd6+= 47.Ne1 Kd5 48.Rc7+/– Rc1 49.Ke2 Kd4 50.Ra7 Kc4 51.Rf7 Kb3 52.a5 c2 53.Rc7 Ra1 54.Nc2 Ra5 55.Nd4 Kb2 56.Rg7 (56…Kc3 57.Rd7+–) 1–0. Liepert,Luise – Liebmann,Andrea, 4 Laender–Cup (Women), 1994.

12.a3 Kh8 13.Bb5 Bd7 14.Nc3 Nc3 15.Qc3 f6 16.d4 =.

12.Nc3 Ndb4 13.Qe4 Rad8 14.a3 Nd5 15.Nd5 Bd5 16.Qg4 =.

12.Bc4 Ncb4 13.Qb3 c6 14.a3 b5 15.Bd5 Nd5 16.Qc2 c5 17.d3 Bg4 18.Nbd2 Rad8 19.h3 Bh5 20.a4 b4 21.Rfc1 Nc7 22.Ne1 Ne6 23.Qc4 Qd7 24.Rc2 Bg6 25.Nb3 Rb8 26.Rd2 Ng5 27.Re2 Bh5 28.Rc2 Nh3 29.Kf1 Re3 30.Nc5 Bc5 31.fe3 Be3–+ 32.Qe4 Re8 33.Qc6 Qf5 34.Nf3 Qd3 35.Re2 f6 36.Qb5 Qb5 37.ab5 Nf4 38.Re3 Re3 (38...Re3 39.Bc1 Re4 (39...Bf3 40.Be3 Ng2 41.Kf2 Ne3 42.Ke3=) 40.Ra7 b3–+) 0–1. Hebels,Alex (1970) – Billion,Paul (2065), L1.1999.0.00007, 1999.

12.Bd3 Bg4 13.Bh7 Kh8 14.Bd3 Bf3 15.gf3 Qh4 16.f4 –+.

9.c4 Bf5

10.a3 Bd6 11.Qb3 Na5 12.Qb5 Bb1 13.Rab1 Nc4 14.Bf6 Qf6 15.Qd5 Na3 16.Rb7 a5 =.

10.a3 Bd6 11.Nc3 dc4 12.Bc4 Bg4 13.Be2 a6 14.Qb3 Be6 15.Qc2 Na5 16.Nd4 Bd7 17.Rfd1 Bg4 18.f3 Bd7 19.Bd3= Be5 20.Ne4 Ne4 21.Be4 Qh4 22.f4 Bd4 23.Bd4 Nc6 24.Bb2 Re6 25.Qc3 Rf6 26.Qb3 Rh6= 27.h3 Bh3? 28.gh3+– Qh3 29.Kf2 Qh2 30.Bg2 Rd8 31.d4 Rg6 32.Rg1 Ne7 33.Kf1 Nf5= 34.Re1?? Ng3–+ 35.Kf2 Ne4 (35...Ne4 36.Ke2 Rg2 37.Rg2 Qg2 38.Kd3 Nc5 39.Kc3 Nb3 40.Kb3 Rd6–+) 0–1. Van Esbroeck,Dirk – Kozlowski,Waldemar, corr CiF, 1992.

10.a3 Bd6 11.cd5 Nd5 12.Nc3 Nc3 13.dc3 Qe6 14.Bd3 Rad8 15.Bf5 Qf5 16.Qe2 a6 17.Rfd1 Qe4 18.c4 Bc5 19.Kf1 a5 20.Rac1 f6 21.h3 h6 22.Nd2 ½–½. Laber,Seweryn – Mitrus,Cezary, corr 1. AMM Poland, 1991.

10.a3 Bd6 11.cd5 Nd5 12.Re1 Rad8 13.Bf1 (13.Nc3 Qe6=) 13...Bg4 (13...Ne5 14.Ne5 Be5 15.d4=) 14.d4= a6 (14...Qe6 15.Nc3=) 15.Nbd2+= Qd7 16.Qc2 h6 (16...Bh5!?+=) 17.e4+/– Nb6 18.d5 Ne5 19.Ne5 Be5 20.Be5 Re5 21.a4 Rde8 22.Rec1 Rc8? (better is 22...c6!? 23.Qb2 Qc7+/–) 23.h3+– Bh5 24.a5 Na8 (24...Nd5 25.Nc4 Ree8 26.ed5 Qd5+–) 25.Qb2 Rg5 26.f4 Rg6 27.f5 Rg5 28.Qb7 g6 (28...Rd8 29.Qa6 Qe7 30.Qa7+–) 29.Qa6 (worse is 29.Ba6 Rd8 30.Rc6 gf5+–) 29...Kh7 (29...Rd8 30.Rab1+–) 30.Qc6 (30.Qc6 Qe7 31.f6+–) 1–0. maltedk (2375) – heaterhog (2015), gameknot.com, 2015.

10.a4 Rad8 11.d4 Ne4 12.cd5 Rd5 13.Qb3 Be6 14.Bc4 Na5 15.Qc2 Nc4 16.Qc4 Rf5 17.Qe2 Bd5 18.Na3 Nc3 19.Qc2 Rf3 20.gf3 Qg5 0–1. Chris – Duffy, playchess.de, 2002.

10.d4 dc4 11.Bc4 Rad8 12.Bb5 a6 13.Bc6= bc6 14.Qe2 Bd6 15.Qa6+= Rb8 16.Qe2 Bg4 17.Bc3 Ne4 18.Rc1+= Qe6 19.Nbd2 Nd2 20.Bd2 Rb2 21.Rd1 Qg6 22.a3 Re6 23.Kf1 Rf6 24.Ke1 Bh2 25.a4 h5 26.a5+= h4 27.Nh4?? Qh5–+ (27...Qh5 28.Nf3 Bf3 29.gf3 Rg6–/+; 27...Be2 28.Ng6 Bd1 29.a6–/+) 0–1. Lifshitz,Samuel – Rey,Manny, CP–2003–F–00001, 2007.

10.d4 dc4 11.Bc4 Rad8 12.Nc3 a6 13.a3 Bd6 14.Bd3 Qd7 15.Rb1= Bg4 16.Be2 b5=+ 17.Rc1 Na5 18.Nd2 Be2 19.Qe2 Qe7 20.Ncb1 Qe6 21.Rfd1 Nb3 22.Nb3 Qb3 23.h3 Qd5 24.Qf3 Qf3 25.gf3 Nd5 26.Rc6 Re6 27.e4 Nb6 28.Kf1 Bf4 29.Rc2 Nc4 30.Nc3 f5 31.a4 c6 32.Bc1 Bc1–/+ 33.Rcc1 Rh6 34.d5=+ Rc8 35.Ke2 cd5 36.Nd5 Kf7 37.ab5 ab5 38.Ra1 fe4 39.fe4 Re8 40.Rd4 Nd6 41.Ra7 Kg8 42.f3 Nf5 43.Rd1 Rh3 44.Rd7 Rh2 45.Kd3 Nh4 46.Nc7 Rf8 47.f4= Ng6 48.Nb5 Nf4 49.Kd4 h5 50.Nd6 h4 51.Nf5 Rf7 52.Ke3 Ne6 53.R7d6 Rh3–/+ 54.Kf2 g6 55.Re6 gf5 56.Rg6 Kh7 57.ef5 Rf5 58.Kg2 Re3 59.Rg4 h3 60.Kh1 Re8 61.Rd7 Kh6=+ 62.Kh2 Rf3–/+ 63.Rg3 Rg3 64.Kg3 Re3 65.Kh2 Kg5 66.Rd4 Rc3 67.Rd8 Kf4 68.Rf8= Ke4 69.Re8 (69.Rh8 Rd3=) ½–½. Pierred (2145) – THEWHITEMAGE (2560), Rated game, 2m + 0s, 2005.

10.d4 dc4 11.Bc4 Rad8 12.Nc3 a6 13.Qe2 Na5 14.Bd3 Bd3 15.Qd3 b5 16.Nd2 c5 17.a3 c4 18.Qf5 Bc3 19.Bc3 Nc6 20.Rfc1 Nd5 21.Nf3 Qe4 22.Qe4 Re4 23.Kf1 f5 24.g3 Rde8 25.Kg2 R4e7 26.Rab1 Kf7 27.Bb4 Rd7 28.Bc5 Kf6 29.h4 h6 30.h5=+ Ke6 31.a4 Rb8–/+ 32.Nh4 Kf6 33.Kf3 Kg5 34.Rc2 Rf7 35.Ng6 Kh5 36.Nf4 Nf4 37.Kf4 g5 38.Kf3 g4 39.Kf4 Kg6 40.Rbb2 Re8–+ 41.f3 Ne7 42.Be7 Rfe7 43.fg4 Re3 44.gf5 Kf6 45.Kg4 Rg8 46.Kf4 Reg3 47.Ke4 R3g4 48.Kd5 Rd8 49.Kc5 Rgd4 50.ab5 R8d5 51.Kc6 ab5 52.Rb5 Rb5 53.Kb5 h5 54.Rf2 c3 55.Rc2 Kf5 56.Rc3 h4 57.Kc5 Rd2 58.Kb4 Kg4 59.Rc4 Kg3 60.Kc3 Rd1 61.Kc2 Rg1 62.Rc3 Kg2 63.Rd3 h3 64.Rd2 Kh1 65.Kd3 Re1 66.Ra2 h2 67.Kd2 Re4 68.Kd3 Rg4 (68...Rg4 69.Ke3 Kg1 70.Ra1 Kg2–+) 0–1. Pierred (2145) – AfzaL1989 (2430), Rated game, 2m + 0s, 2005.

10.d4 Qe6 11.a3 Ba5 12.Qb3= b6 13.cd5 Nd5 14.Bc4 Rad8 15.Bb5 Nf6 16.Qa4 Nb8 17.Be8+/– Re8 18.Nc3 c6 19.Rac1 Re7 20.Ne5 c5 21.e4 cd4+= 22.ef5 Qf5 23.Nb5 Qe5 24.Rc8+– Re8 25.Bd4 Qe6 26.Re8 Ne8 27.Na7 h6 28.Rd1 Qe4 29.Qb5 Nc7 30.Qe5 Qe5 31.Be5 Nba6 32.Nc6 Ne6 33.Na5 ba5 34.Bd6 Nac5 35.Bc5 Nc5 36.Rd5 Nb3 37.Rb5 a4 38.Rb4 Nc5 39.Rc4 Ne6 40.Ra4 (40.Ra4 g6 41.Re4+–) 1–0. Mus,Roman – Mitrus,Cezary, corr 1. AMM Poland, 1992.

10.cd5 Nd5 11.Bc4 Nb6 12.Be2 Rad8 13.Bb5 Be4 14.Nc3 a6 15.Ne4 ab5 16.Ng3 Qd7 17.d4 Nc4 18.Qc2 Bd6 19.Ng5 0–1. Lozinski – Mitrus, corr AMM Poland 1990.

9.d3 Be6=+

10.Nbd2 a6 11.a3 Bc5 12.d4 Bd6 13.c4 Bf5 14.c5 Bf4 15.Qb3 Na5 16.Qc3 Nc6 17.Bd3 Bd3 18.Qd3 Bh6 19.Rfb1 Rab8 20.Ra2 b5 21.cb6 Rb6 22.Ba1 Rb1 23.Qb1 Qe6 24.Rc2 Ng4 25.Nf1 Rb8 26.Qc1 Na5 27.Rc7+/– g6 28.h3 Nb3 29.Qd1 Qb6 30.Rc2 Na1 31.Qa1 Nf6 32.Ne5 Ne4 33.Nd7 Qb1 34.Qb1 Rb1 35.g4 Bg5 36.Kg2 Bh4 37.Nc5 Nf2 38.Rf2 Bf2 39.Kf2 Rb2 40.Kf3 a5 41.Ng3 Rh2 42.Nb7 Rb2 43.Na5 Rb6 44.g5 f6 45.h4 fg5 46.hg5 Ra6 47.Nb7 Ra3 48.Ne2 Ra1 49.Kf2 Ra7 50.Nd8 Ra6 51.Nf4 Rd6 52.Nde6 Rd7 53.Nc5 Rd6 54.Kf3 Kf7 55.Nfe6! Rb6? 56.Kf4 (56.Kf4 Re6 57.Ne6 Ke6 58.e4+–) 1–0. Hoch,Hubertus (2320) – Vadljan,Marcus Franz (2095), BdF, 2007.

10.Nbd2 Rab8 11.Rb1 =.

10.Nbd2 Rad8

11.a3 Bd6=+ 12.Qb1 b6 13.c4 Na5 14.cd5 Bd5 15.e4+= Bf4 16.ed5 Bd2 17.Nd2 Qe2 18.Bf6 gf6 19.Ne4 Kg7 20.Re1 Qh5 21.Re3 Qe5 22.Qa2 Nb7 23.Rc1+/– Nd6 24.Ng3 Qg5 25.Qe2 Re3 26.fe3 Re8 27.Nf1 Re7 28.Qf3+/– Kg8 29.Kf2 f5 30.Qg3 f6 31.Rc6 a5 32.Qf3 Qh4 33.Ng3 ½–½. Villar,N – Schulz,H, ETC, 2005.

11.a3 Bd6=+ 12.Qb1 b6 13.c4 dc4 14.Nc4 Bc4 15.dc4 Ng4 16.Qc1 Nge5 17.Qc2 Nf3 18.Bf3 Ne5 19.Be2 a6 20.Qc3 Qf8 21.Qc2 Nd7 22.Bd3 g6 23.Be2 Qe7 24.Rfd1 h6 25.Rd2+= Be5 26.Rad1 Bb2 27.Qb2 Nf6 28.Rd8 Rd8 29.Rd8 Qd8 30.Qd4 Qd4 31.ed4 Kf8 32.f3 Ke7 33.Kf2 Kd6 34.Ke3 c5 35.d5 Ne8 36.a4 Ke7 37.g4 Nd6 38.Bd3+= Kf6 39.f4 Ke7 40.g5 hg5 41.fg5 f6 42.h4 Kf7 43.Kf3 Kg7 44.Kg4 Kf7 45.Kf4 Kg7 46.Be2 Kf7 47.h5 gh5 48.Bh5 Kg7 49.Be2 Kf7 50.gf6 Kf6 51.Bd3 Kf7 52.Ke5 Ke7 53.Be2 Nf7 54.Ke4 Kd6 55.Bf1 Ne5 56.Bd3 Ng4 57.Kf4 Nf6 58.Kf5 Ng8 59.Bf1 Ne7 60.Ke4 Nc8 61.Be2 Ke7 62.Bd3 Nd6 ½–½. Bonetti,Shane (2105) – Baumann,Heinz (1760), TT–16 ETC, 2005.

11.a3 Bd6 12.Qc1 Bg4 13.Re1 Bf3 14.Nf3 Ne5 15.Rb1 b6 16.g3 Nf3 17.Bf3 c6 18.e4 de4 19.Be4 Ne4 20.Re4 Qd7 21.Qg5= g6?? 22.Qf6+– Be5 23.Be5 Re5 24.Qe5 (24.Qe5 f5 25.Re2+–; 24.Re5!? Rf8+–) 1–0. Mauron,R – Grobelsek,A, Bled, 2003.

11.a3 Bd6=+ 12.Re1 Na5 13.Bc3= b6 14.Ba5 ba5 15.Qc1 c5 16.c4 Ng4 17.cd5 Bd5 18.Qc3 Qc7 19.h3 Bh2 20.Kf1+= Nf2 21.e4 Nh1 22.Nh2 Qh2= 23.ed5 Ng3 24.Kf2 Re2 25.Re2 Ne2 26.Ke2 Qg2 27.Kd1 Qh3 28.Kc2 Qg2 29.Qc5+= Qd5 30.Qd5 Rd5 31.Rh1 f5+= 32.Kc3 g6 33.d4 Kg7 34.Kc4 Rd7 35.d5 Kf6 36.Nf3 Rb7 37.d6+– h5 38.Kc5 Rb3 39.Rd1 Rc3 40.Kb5 Rf3 41.Kc4 (41.Kc4 Rf1 42.Rf1+–) 1–0. Woelfelschneider,Peter – Farkas,L, corr, 2004.

11.Rb1 a6 =+.

11.Rb1 b6 =+.

11.Rb1 Rb8 12.Qc1 Bf5 13.c4 Bd2 14.Nd2 d4 15.e4 Bg4 16.f3 Be6 17.f4 Bg4 18.Nf3 Qd8 19.Qd2 Qd7 20.h3+= Bf3 21.Bf3 Kh8 22.Qf2 Ng8 23.e5 Nge7 24.Be4 Nf5 25.Rfe1 Kg8 26.g4+/– Ne3 27.Bc1 a6 28.Qh4 g6 29.Qg3 b6 30.Qf3 Nd8 31.Be3 de3 32.Qe3 c5 33.Bd5 Ne6 34.f5 Nc7 35.f6 b5 36.Rbd1 Kh8 37.Qc5 Nd5 38.cd5 Rbc8 39.Qd4 Rcd8 40.e6 (40.e6 Qc7 41.Re3+–) 1–0. Felkel,S – Baer,Werner, ETC, 2005.

11.Rb1 Bc8 12.c3 Bd6 13.Qc2 =.

11.Rb1 Nd7 12.a3 Bd6 13.Re1 Nb6 14.c3 Bf5 15.a4 Qe6 16.Nf1 Qh6 17.Qc2 Bd7 18.Ng3 a5 19.Ra1 Bg4 20.Bc1 Qg6 21.Nh4 Qg5 22.Bg4 Qg4 (22...Qg4 23.Nhf5 Bg3 24.Ng3 Ne5=; 22...Bg3 23.fg3 Qg4 24.Rf1=+). Hasek,Frantisek – Baumann,Heinz, TT–16 ETC, 2005.

11.Rb1 Nd7 12.a3 Bd6 13.Re1 Nb6 14.c3 Bf5 15.Qb3 Ne5 16.Ne5= Qe5 17.Nf3 Qe7 18.Rbd1 Bd7 19.Rd2 Ba4 20.Qa2 c5 21.Bd1 Bc6 22.Bc2 Qf6 23.d4 Nc4–/+ 24.Rdd1 b6 25.Bc1 h6 26.Qb1 a6 27.Qb3 b5 28.dc5 Bc5 29.Bb1 Rc8 30.Qc2=+ g6 31.Qb3 Bd7 32.Bd3 Bd6 33.Be2 Rc5 34.Nd4 Re4 35.h3 Re8 36.Bd3=+ Rec8 37.Bf1 Nb6 38.Bd2 Bf5 39.Be2=+ Be4 40.f3 Qe5 41.f4?? Qe7–+ 42.Bg4 f5 43.Bf3 Rc4 44.Nc2 Bf3 45.gf3 Qh4 46.Re2 Qg3 47.Rg2 Qf3 48.Nd4 Qh5 49.Kh2 Kh8 50.Qb1 Rg8 51.Rdg1 Rcc8 (51...Rcc8 52.Qd3 Kh7–+) 0–1. Vetter,Udo – Baumann,Heinz, TT–16 ETC, 2005.

11.Rb1 Nd7 12.d4 Bf5 13.Bd3 Be4 14.Bb5 Bg6 15.Bd3 Qf6 16.Bg6 Qg6 17.c3 Be7 18.Qe2 a6=+ 19.c4 dc4 20.Qc4 b5 21.Qb3 Na7 22.Rfc1 c5 23.dc5 Nc5 24.Qc2 Qh5 25.Nd4 Na4 26.N2f3 Rc8 27.Qf5 Qf5 28.Nf5 Nb2 29.Rc8 Nc8 30.Rb2 Bf6 31.Rc2 Nb6 ½–½. Hasek,Frantisek – Schulz,H, ETC, 2005.

11.Rb1 Nd7 12.Re1 Bd6 =+.

11.Qc1 a6 12.a3 Bc5 13.c4=+ 11.Qc1 Bd6 12.Qb1 =+.

11.Qc1 a6 12.a3 Bc5 13.Re1 b5 14.Nb3 Bd6 15.c4 bc4 16.dc4 Ne4 17.c5 Nc5 18.Nc5= Bc5 19.Ba6 Bg4 20.Qc3 f5 21.Nd4 Ne5 22.Bb5 Rf8 23.f4 Rb8 24.fe5 (24.fe5 Bd4 25.ed4 Rb5 26.a4+–) 1–0. Borrmann,Fritz – Schulz,Hans_Juergen, TT–15.22 ETC, 2005.

11.Qc1 a6 12.Rb1 b5 =+.

11.Qc1 Bd6 12.Qb1 =+.

11.Qc1 Bd6 12.Rb1 =+.

11.Qc1 Nd7 12.a3 Ba5 13.c4 Nc5 14.d4 Ne4 15.Ne4 de4=+ 16.Nd2 Bd2 17.Qd2 Qg5 18.f4 Qg6 19.Rf2 f6 20.g4 Bc8 21.d5 Ne7 22.Qd4 b6 23.Qc3 Bg4 24.Rg2= Be2 25.Rg6 hg6 26.a4 Bd3 27.a5 Nf5 28.Kf2 c6 29.ab6+/– ab6 30.Ra7 Rd6 31.Ba3+= c5 32.Qb3 g5 33.Qa4 Rf8 34.Bc1 Kh7 35.Ke1 Rdd8 36.Qb3 Nd6 37.Bb2?? Nc4–+ 38.Qd1 Kg6 39.Qg4 Ne3?? 40.Rg7= Kg7 41.Qg5 Kh7 42.Qh5 Kg7 43.Qg5 Kh7 ½–½. Woelfelschneider,Peter – Baumann,Heinz, TT–16 ETC, 2005.

11.Qc1 Nd7 12.a3 Bd6 13.Rb1 =+.

11.Qc1 Nd7 12.Rb1 Nf6 =+.

11.Qc1 Bg4 12.a3= Bc5 13.d4 Bd6 14.c4 dc4 15.Bc4 Be6 16.Bd3 Bd5 17.Qc2 Ne4 18.Ne4 Be4 19.Be4 Qe4 20.Qe4 Re4 21.a4 a5 22.Ba3 Bb4 23.Rfc1 Re7 24.Bb4 ab4 25.Rc4 Red7 26.Ne1 Ra8? 27.Nd3+/– Na5 28.Rb4+– b6 29.Ne5 Re7+/– 30.g3 f6 31.Nd3 Rd7 32.Nf4 c5 33.Rb6 cd4 34.Rd1 Nc4 35.Rb4 Ne5 36.ed4 Nc6 37.Rc4 Ne5 38.Rcc1 Rd4 39.Rd4 Nf3 40.Kg2 Nd4 41.Ra1 Nb3+= 42.Ra3 Nc5 43.a5 Ra6 44.h4 g6 45.Nd5+– Nb7 46.Rc3 Na5+/– 47.Rc8 Kg7 48.Rc7 Kg8 49.h5 gh5+= 50.Kh3 Nb3 51.Kh4 Nd4 52.Ne7 (52.Kh5!? Re6 53.Rd7+/–) ½–½. Thesing,M – Wilger,F, Muensterland, 2005.

9.d3 Bf5

10.Nbd2 a6 11.a3 Bc5 12.d4 Ba7 13.c4 dc4 14.Bc4 Rad8 15.Rc1 Qd7 16.Re1 Be6 17.Qb3 Qc8 18.Be6 Re6 19.Ng5 Re7 20.Nc4 h6 21.Nf3 Re6 22.a4 Qb8 23.Ba3 b5 24.ab5 ab5 25.Nce5 Ne5 26.Ne5 Qb7 27.Re2 Nd7 28.Nf3 Ra6 29.Rec2 c6 30.Nh4 Nf8 31.Nf5 Ng6 32.Qd3 Bb8 33.Bb4 Re8 34.Qd1 Re6 35.h4 Ra4 36.Bc5 Qc7 37.g3 Qd8 38.Qg4 Qf6 39.h5 Nf8 40.Bb6 g6 41.hg6 fg6 42.Nh6 Kg7 43.Qh3 Qg5 44.Ng4 Qh5 45.Qh5 gh5 46.Nh2 Nd7 47.Bd8 (< 47.Rc6 Rc6 48.Rc6 Ra6=) 47...Ra6 48.Nf3 Kf8 49.Kg2 Kg8 50.Bh4 Kf8 51.Ne1 Ke8 52.Nd3 Ra3 53.Rc6 (53...Rc6 54.Rc6 Rd3 55.Re6 Kf8 56.Re7 Bg3 57.Kg3+– (57.fg3?! Nb6+/–)) 1–0. Woelfelschneider,Peter – Baer,Werner, TT–06.01, 2003.

10.Nbd2 Rad8

11.a3 Bc5 12.c4 dc4 13.Nc4 a6 14.d4 Ba7 15.Rc1 Qe6 16.Nce5 Ne5 17.Ne5 Qb6 18.Nc4 Qe6 19.Ne5 Qb6 20.Nc4 ½–½. Schmickt,Bernhard – Bonetti,Shane, corr or02–024, 2002.

11.a3 Bd6 12.c4 dc4 13.Nc4 a6 14.Qb3 b5 15.Nd6 ½–½. Schmickt,Bernhard – Plock,Joerg, Orang Utan Invitational, 2002.

11.Rb1 Bc5 12.d4 Bd6 13.Re1 (13.Rc1!?=+) 13...Nb4–/+ 14.Rc1 Na2 15.Ra1 Nb4 16.Ra7 Nc2 17.Rf1? (Better is 17.Nh4 Ne3 18.Qc1 Bh2 19.Kh1–/+) 17...Ne3!–+ 18.fe3 Qe3 19.Kh1 Qe2 20.Re1 (20.Rb7 Qd1 21.Rd1 Rb8 22.Rb8 Rb8–+) 20...Qb5 21.Bc3 Bg4 (22.Qa1 Re1 23.Qe1 Qd3–+) 0–1. de Visser,Arno – Cottarelli,Franco, corr ICCF, 2002.

11.c3 Bc5 12.d4 Bd6 13.c4 dc4 14.Nc4 Ne4 15.Qb3?! (15.Nd6 Qd6 =) 15...Be6! 16.Qb7 Bd5 17.Nd6 Qd6 18.Qa6 Re6 19.Ba3 Qd7 20.Qd3 Rg6 21.Ne1 Nd2! 22.Qd2? Bg2! 23.Bh5 Bf3 0–1. Bulcourf – Piza, corr 1987.

11.c4 d4 12.e4 Bc3 13.Qc2 Bb2 14.Qb2 Bc8 15.Rab1 Qd6 16.Rfc1 Nd7 17.Nb3 Nf8 18.c5 Qf6 19.Qd2 Ng6 20.g3 b5 21.Na5 Na5 22.Qa5 c6 23.Ne1 Ne7 24.Rc2 a6 25.a4 h6 26.f4 g5 27.f5 Rd7 28.Bg4 Rdd8 29.Rf2 Qe5 30.Rc1 Qh8 31.Bh5 Qf6 32.Nf3 ba4 (32...Rf8 33.Rb1+/–) 33.Qa4+– Rf8 34.g4 Qh8 35.Rc4 (35...Bb7 36.Rd4 Rd4 37.Qd4 Qd4 38.Nd4+–) 1–0. Lebel,Patrick – Plock,Joerg, corr or03–032, 2002.

11.Re1 a6 12.c3 Bd6 13.Nf1 Ne5 14.Ne5 Be5 15.f4 Bd6 16.g4 Be6 17.Bf3 c5 18.h3 c4 19.f5 Bc8 20.dc4 dc4 21.Qe2 b5 22.a4 Ne4 23.ab5 ab5 24.Qg2 Nc5 25.Bc6 Bd7 26.Bd7 Rd7 (27.Ra5 Nd3–+) 0–1. de Visser,Arno – Plock,Joerg, Orang Utan Invitational, 2002.

9.d4 Bg4

10.a3 Bd6 11.Nbd2 Ne4 12.h3 Bh5 13.c4 Ng3 14.c5 Bf4 15.fg3 Be3 16.Rf2 Bf2 17.Kf2 Qe3 18.Kf1 Re6 19.Qe1 Rae8 20.Bb5= Bf3 21.Qe3 Bg2 22.Kg2 Re3 23.Kf2 a6 24.Bf1 f6 25.Rb1 Kf7 26.Nf3 R3e7 27.Bc1 Nd8 28.Bd3 g6 29.g4 c6 30.Bf4 Kg8 31.Rb6 g5 32.Bg3 Re3 33.Rb3 Kh8 34.Nd2 a5 35.a4 R3e7 36.Nf3 Re3 37.Ra3 R8e4 38.Rc3 Re8 39.h4+– Rd3 40.Rd3 gh4 41.Bh4 Kg7 42.g5 f5 43.Rb3 Kg6 44.Ne5 Re5 45.de5 f4 46.Kf3 Ne6 47.Rb7 Nc5 48.Rc7 Kf5 49.Rh7 Nd3 50.Rf7 Ke6 51.Rf6 Ke7 52.g6 Ne5 53.Kf4 Ng6 54.Rg6 Kd7 55.Be1 Kc7 56.Ba5 Kb7 57.Ke5 (57.Ke5 Ka6 58.Rc6 Ka5 59.Kd5 Kb4 60.a5 Kb3 61.a6 Kb4 62.a7 Kb3 63.a8Q Kb2 64.Qb8 Ka2 65.Ra6) 1–0. marekt – sultan_velmoja, Yahoo, 2005.

10.a3 Bd6 11.Qd3 Qe6 12.Nbd2 Ne4 13.c4 Qh6 (13...Nd2 14.Nd2 Be2 15.Qe2=+) 14.h3 Bh3 (14...Nd2 15.Qd2 Bf3 16.Bf3 dc4 17.Rfc1=) 15.cd5?? (Better is 15.gh3 dc4 16.Nc4 Qh3 17.Nd6 Qg4 18.Kh1 Qh3 19.Nh2 cd6 20.Rac1+/–) 15...Bf5?? 16.Ne4?? Be4–/+ 17.Qe4? Re4–+ 18.dc6 bc6 19.Rfb1 Rg4 20.Bf1 Qh5 21.Ba6 Qh3 22.Ne1 Re8 23.Kf1 Qh1 24.Ke2 Qh5 25.f3 Rh4 26.Bc3 c5 27.Bb5 Rd8 28.Bc6 cd4 29.Bd4 Bg3 30.Rd1 Be1 31.Bc3 Rc8 32.Be1 Rc4 33.Bd7 Rc2 34.Bd2 Rd8 35.Rac1 Qg6 (36.Rc2 Qc2–+; 35...Rd7 36.Rc2 Qg6 37.Rb2 Qg2 38.Ke1–+) 0–1. RollingThunder (2520) – Aspyrtos (2650), ICC, 2003.

10.Nbd2 Ne4 11.a3? (11...Bc3 12.Bc3 Nc3 13.Qe1 Ne2 14.Qe2 Nd4 15.Qd1 Nf3 16.Nf3–+; Better is 11.Ne4!? de4 12.Ne5 Ne5 13.Bg4=+). Reussner,Hans_Dieter – Bergner,Thomas, V0033 DESC, 1999.

10.Nbd2 Ne4 11.Ne4 de4 12.Nd2 Be2 13.Qe2 Qg5 14.Rad1 Rad8 15.c3 Bd6 16.c4 b6 17.d5 Nb4 18.a3 Nd3 19.Ne4 Bh2 20.Kh2 Re4 21.Qd3 Rh4 22.Kg1 Rg4 23.g3 ½–½. pierre (2420) – Doc_Holiday (2045), ChessWorld.net, 2006.

10.Nbd2 Ne4 11.Ne4 de4 12.Ne5 Ne5 13.Bg4 Nc4 14.Rb1 Bd6 15.Ba1 Rab8 16.Be2 Qe6 17.Rb5 c6 18.Rh5 Rbd8 19.Bg4 Qf6 20.Be2 g6 21.Rh3 Qe6 22.a4 b5 23.ab5 cb5 24.d5 Qc8 25.Bf6 Be7 26.Be7 Re7 27.Qd4 f5 28.f3 Qc7 29.Rd1 Nd6 30.f4 Qc2–/+ 31.Rd2 Qc7 32.Qf6 Nc4 33.Bc4 Rd6 34.Qb2 Qc4 35.Kf2 a6–+ (35...a6 36.Rh4 Qc5–+) 0–1. MrkT – Danton58, internet, 2005.

8.0–0 Bf5

9.a3 Be7 10.c4 h6 11.Ne5 Ne5+= (11...Rb8 12.f4 (12.cd5 Ne5 13.Be5 Nd5 14.d4 Bd6 15.Bd6 Qd6 16.Bc4 Nb6 17.Bb3=; 12.Nc6 bc6 13.Ra2 Qd7 14.Nc3 Rb7 15.d4 Reb8 16.Qd2 Qe6 17.c5+=; 12.d3 Ne5 13.Be5 Bd6 14.Bd6 Qd6 15.Nc3 dc4 16.dc4 Qe5 17.Qd4=) 12...Qd6 13.Qa4 Nd7 14.cd5 Nb6 15.Qb3 Qd5 16.Qd5 Nd5 17.Bf3+=) 12.Be5 Bd6 (12...Nd7 13.Bc3+= Nb6 14.cd5 Qd7 15.Be5 Nd5 16.Qb3 c6 17.d4=) 13.Bd6= Qd6 14.cd5 Nd5 15.Bf3 (15.Nc3 Nc3 (15...Rad8 16.Qb3 Nc3 17.dc3=) 16.dc3 Qg6= 17.Bh5=; 15.Qb3 a6 16.Bf3 Be6 17.d4=) 15...Bd3+= 16.Re1 Rad8 (16...c6 17.Bd5 Qd5 18.Nc3+=) 17.e4? (better is 17.Qb3!? Qe5 18.Nc3 Nc3 19.dc3=; 17.Nc3=) 17...Qe5 18.Nc3 Nc3 19.dc3 Qc3 20.Qa4 Qd4 21.Qb3 Be4–+ 22.Rad1 Bf3 23.Re8 Re8 24.gf3 Qb6 25.Qa4 Re2 26.Rd8 Kh7 27.Qd4 Re1 28.Kg2 Qg6 29.Qg4 Qb1 30.Kh3 Re6 31.Rd7 Rg6 32.Qe4 Qf1 33.Kh4 Qf2 34.Kh3 Qg2 (34...Qg2 35.Kh4 Qh2#) 0–1. Neumann,Frank (1635) – Brueske,Thomas (2360), RSS7E schnell–54, 2009.

9.a3 Be7 10.d3 Qd6 11.h3 Na5 12.Be5 Qd7 13.Nbd2 c5 14.Nb3 Nc6 15.Bb2 b6 16.Re1 Bd6 17.Bf1 Re7 18.Bf6 gf6 19.Nh4 Kh8 20.Qf3 c4?? (better is 20...Bg6+=) 21.Nf5+– cb3 22.Ne7 Qe7 23.cb3 Qe5 24.g3 Rg8 25.Bg2 h5 (25...Ne7 26.d4 Qg5 27.Qe2+–) 26.Qd5 (26.d4!? Qe7+–) 26...Qd5 27.Bd5 Ne5 28.d4 Nd3 (28...Ng6 29.Bf7 Rg7 30.Bc4+–) 29.Red1 Nb2 (29...Nf2 30.Kf2 Rg3 31.Rac1+–) 30.Rd2 h4 31.g4 f5 32.Bf7 Rg7 33.Bh5 1–0. Grabcheva,Natalia – Katranova,Alicia, Mureck AUT, EU Ch U11, 2013.

9.a3 Be7 10.d3 Nd7 11.Nc3 Bf6 12.Rb1 Nb6 13.Re1 a6 14.d4 Qd7 15.Bc1 Rab8 16.Bd3 Bg4 17.Bb2 Qd6 18.h3 Bh5 19.g4 Bg6 20.Bg6 hg6 21.e4 de4 22.Ne4 Qd5 23.Qd3 Nc4 24.g5 Nb2 25.Rb2 Bd4 26.c3 Bf2 27.Nf2 Re1 28.Ne1 Qg5 29.Kf1 Qc5 30.Nc2 Ne5 31.Qe3 Qc4 32.Kg1 Re8 33.Rb4 Qd5 34.Re4 f5 35.Rf4 c5 36.Ne1 Re6 37.Nf3 Nd7 38.Qc1 Re2 39.Kf1 Qa2 40.Ng5 Re8 41.Rf3 Qc4 42.Kg2 Qd5 43.c4 Qc6 44.Nd3 b6 45.Qd2 Qf6 46.h4 Qd4 47.Qf4 Re2 48.Kf1 Rc2 49.Re3 Nf8 1–0. marekt – Sandeman_be, ChessWorld.net, 2005.

9.Na3 a6 10.c4 d4 11.Nd4 Nd4 12.ed4 Qe7 13.g4 Bg6 14.g5 Ne4 15.Nc2 Qg5 16.Kh1 Bd6 0–1. Bravo Ardila,P – Fernandez Diaz,M, corr CEAPE, 1987.

9.a4 Qe7 10.Nc3 a6 11.Rb1 Bd6 12.Na2 b6 13.Nc3 =+.

9.Bb5 Rb8 10.Nc3 =+.

9.Bb5 Qd6 10.Nd4 Nd4 11.Bd4 c6 12.Be2 Ba5 13.Bb2 Bc7 14.g3 Bh3 15.Re1 Ne4 16.d3 Ng5 17.Nd2 Bb6 18.d4 Ne4 19.Ne4 de4 20.c4? (20.Qb1 Qg6+=) 20...Bc7 (better is 20...Ba5!?–+) 21.Bg4 Bg4 22.Qg4 g6 23.Qg5 (23.Rab1 f5 24.Qh4 Rad8=) 23...f5 (23...Qb4 24.Reb1 Qc4 25.Ba3–/+) 24.Red1 Bd8 25.Qh6 Bf6 26.a4 (better is 26.Rab1!?=) 26...Qb4–/+ 27.Ba3 Qc4 28.Rdc1 Qf7 29.a5 a6 30.Bc5 Rad8 31.Rab1 Rd5 32.Rb6 (32.Rc2 Red8–/+) 32...Rd7 (better is 32...Bd8!?–+) 33.Rb2–/+ Bd8 34.Bb6 Bf6 35.Rcb1 (35.Bc5 Bg7 36.Qh4 Kh8+=) 35...Re6 36.Qf4 Re8 37.Qh6 Kh8 38.Qh3 h5 39.Qf1 h4 40.Qh3 Kg7 41.Rb3 hg3 42.fg3 Bg5 43.Qg2 Rd5 44.Bc5 Rd7 45.Qf2 (45.Bb6!?=) 45...Bd8 46.Qb2 Ba5 47.Rb7 Kg8?? (better is 47...Rb7 48.Qb7 Qb7 49.Rb7 Kf6+=) 48.Rd7+– Qd7 49.Ra1?? (49.Qa2!? Qe6 50.Qa5 Qc4+–) 49...Qd8? (49...Bc7 50.Ra6 Rb8 51.Qa2 Kg7 52.Ra7+=) 50.Qb7?? (50.Qa2!? Kg7 51.Qa5 Qa5 52.Ra5 Ra8+–) 50...Bc7 (better is 50...Bd2!? 51.Ra3 Qd5=) 51.Ra6 (better is 51.Qc6 Kh7 52.Ra6+/–) 51...Qb8?? (51...Qg5 52.Qb3 (52.Qc7? Qe3 53.Kg2 Qe2 54.Kh3 Qa6–+) 52...Kh8 53.Qa3+/–) 52.Qb8 (better is 52.Qc6 Bd6 53.Bd6+–) 52...Bb8+/– (52...Rb8? 53.Rc6 Bd8 54.Rg6 Kf7 55.Ra6+–) 53.Rc6 Kg7 54.Ra6 g5 55.Ra8 Kf7 56.Ba7 (56.Kf1 g4+=) 56...Ba7 (better is 56...Bf4! 57.Re8 Be3 58.Kf1 Ke8+=) 57.Ra7+/– Kf6 58.Ra6 Kf7 59.Ra5 Kf6 60.Kg2 Rb8? (60...g4 61.h3+=) 61.Ra2 (better is 61.g4 Rb2 62.Kg3 f4 63.ef4 Rb3 64.Kg2 Rb2 65.Kf1 gf4 66.Rf5 Ke6 67.Re5 Kf6 68.Re4+/–) 61...Rb3 62.Re2 Rd3 (62...g4 63.Kf2=) 63.h3+/– Kg6 64.Kf2 Rd1 65.Re1 (65.g4 Rh1 66.gf5 Kf5+/–) 65...Rd2+= 66.Re2 Rd1 67.Re1 Rd2 68.Re2 (68.Kg1!?+=) 68...Rd1= ½–½. jeich (1745) – wwgia (1735), gameknot.com, 2013.

9.Bb5 Bd7 10.c4 (10.Nc3 a6 11.Ba4 b5=+) 10...Qe7 11.Nc3 a6 12.Bc6 Bc6 (12...bc6 13.Qa4=+) 13.Nd4 Qc5 (13...dc4 14.Nc6 bc6 15.Qa4=) 14.Nc6= Qc6 (14...bc6 15.Na4 Qe7 16.a3=) 15.cd5 (15.Nd5 Nd5 16.cd5 Qg6+=) 15...Nd5 (15...Qd6 16.Qb3+=) 16.Nd5+/– Qd5 17.Qg4 (17.Bg7!? Re6 18.Bd4+/–) 17...Bf8= 18.Bc3 (18.Rfd1 Rad8=) 18...b5=+ 19.a3 (19.d4 b4 20.Bb2 Bd6=+) 19...Re4 (19...c5 20.Rfb1=+) 20.f4 (20.Qg3 c5=+) 20...f5 (20...c5 21.Rab1=+) 21.Qg5 g6?? (better is 21...c5=+) 22.Qf6+– Qd6 23.Qh8 Kf7 24.Be5 Re5 25.fe5 Qd2 26.Qh7 Bg7 27.e6 Kf6+/– 28.Qh4 Ke6 29.Rae1 Rh8 30.Qf2?? Qd6 (better is 30...Qf2!? 31.Rf2 c5=+) ½–½. Larsen,An – Nielsen,Jorgen Kamp, Politiken Cup, 2005.

9.Bb5 Bg4 10.d3 Re6 11.a3 (11.h3 Bh5 12.a3 Bc5 13.Nbd2 Na5 14.d4 Bd6 15.c4 c6 16.cd5 Nd5=; 11.c4 a6 (11...Be7 12.h3 Bh5 13.g4 Ng4 14.hg4 Bg4 15.Kg2 Rg6 16.Rg1 dc4–/+; 11...Ne5 12.Be5 Re5 13.a3 Be7 14.h3 Bf3 15.Qf3 c6 16.Ba4 dc4+=; 11...Rb8 12.h3 Bh5 13.g4 Bg6 14.g5 dc4 15.gf6 Bd3 16.a3 Bf1+=) 12.Bc6 Rc6 13.Qa4 Bf3 14.Qb4 Be2 15.Bf6 Qf6 16.Re1 Qa1–/+; 11.c3 Bd6 (11...Be7 12.h3 Bf3 13.Qf3 Ne5 14.Qe2 c6 15.Ba4 Qb6 16.Bb3 Rd8+=; 11...Bc5 12.d4 Be7 13.Be2 Na5 14.Nbd2 Qd7 15.Ne5 Be2 16.Qe2 Qd6=; 11...Bf8 12.h3 Bf3 13.Qf3 Ne5 14.Qe2 c6 15.Ba4 Bd6 16.c4 dc4+=) 12.Bc6 bc6 13.h3 Bf3 14.Qf3 Rb8 15.Bc1 c5 16.Re1 c6+=) 11...Ba5 (11...Bd6 12.h3 Bf3 13.Qf3 Na5 14.c4 dc4 15.Bc4 Nc4 16.dc4 Ne4=; 11...Be7 12.h3 Bh5 13.Nbd2 a6 14.Bc6 Rc6 15.g4 Bg6 16.Ne5 Rb6=; 11...Bc5 12.h3 Bh5 13.Nbd2 Na5 14.d4 Bd6 15.c4 c6 16.cd5 Nd5=) 12.h3 (12.c4 a6 13.Bc6 Rc6 14.h3 dc4 15.hg4 c3 16.Bc1 c2+=) 12...Bh5 13.d4 (13.c4 a6 14.Bc6 Rc6 15.g4 dc4 16.Qa4 c3+=) 13...Ne4 14.Be2 Bf3 (14...Qf6 15.c4 dc4 16.Bc4 Rd6+=) 15.Bf3 f5 (15...Qh4 16.c4 dc4=) 16.Qd3 Ne7 17.Bc3 c6 18.Ba5 Qa5 19.Qb3 Qc7 20.Be4 fe4 21.c4 Qd7 22.Nd2 Rf8 23.cd5 Nd5 24.Nc4 Rg6?? (better is 24...Re7=) 25.Kh2?? (better is 25.Ne5 Qe7 26.Ng6 hg6 27.Rab1+–) 25...Rf3–+ 26.g3?? (26.Rfb1–+) 26...Rh6 27.h4 (27.Kg2 Qh3 28.Kg1 Qh2#) 27...Rh4!! 28.gh4 Rh3 (28...Rh3 29.Kg1 Qg4#) 0–1. Hummel,Thomas (1915) – Jacobi,R (2025), 10th Forchheim Open, 2011.

9.Qc1 a6 10.a3 Bd6 11.Bc3 =+.

9.Qc1 Nh5 10.Re1 Be4 11.c4 d4 12.Nd4= Nd4 13.Bd4 Nf4 14.ef4 Qd4–/+ 15.Nc3 Bc6 16.Bg4 Qf4–+ 17.Bh3 Bc5 18.Rf1 Qc4 19.Nd1?? Qf1!? (19...Qf1 20.Kf1 Bb5 21.Qc4 Bc4 22.d3 Bd3 23.Kg1 Re1#) 0–1. Smolensky,Yuri Andreyevich – Leotard,Christophe, corr we Mkl, 1993.

9.c3 Bd6 10.d4 Qd7 11.Nbd2 a6 12.c4 Nb4 13.Qb3 A) 13...b6 14.Rac1 (14.Rfc1 Nc6 15.Ba3 Na5 16.Qb2 Nc4 17.Nc4 dc4 18.Bc4 b5=; 14.c5 bc5 15.dc5 Bc5 16.Bf6 gf6 17.Rfc1 Bd6 18.a3 Nc6=) 14...Nc6 15.Ba3 Na5 16.Qb2 Nc4 17.Nc4 dc4 18.Bc4 b5=; B) 13...Bc2 14.Qa3 (14.Qc3 dc4 15.Bc4 Qf5 16.Rfc1 Ne4 17.Ne4 Be4 18.Nd2 Qh5+=) 14...Bg6 15.Qc3 dc4 16.Nc4 Nfd5 17.Qd2 Nc6 18.Nd6 Qd6=; C) 13...dc4 14.Nc4 Bc2 15.Qa3 Be7 16.Qa5 b6 17.Qg5 h6 18.Qh4 Qe6+=.

9.c3 Bd6 10.d4 Qd7 11.Nbd2 a6 12.c4 Nb4 13.c5 Bc2 14.Qc1 (14.Qe1 Be7 15.Nb1 Nc6 16.Qc3 Bf5 17.Nbd2 b5 18.cb6 cb6=) 14...Bd3 (14...Be7 15.a3 Bd3 16.Ne5 Qe6 17.Nd3 Nd3 18.Bd3 Rab8+–) 15.Bd3 (worse is 15.cd6 Be2 16.Ba3 (16.Qc7 Qc7 17.dc7 Bf1 18.Rf1 Rec8–/+) 16...Nd3 (16...Bf1 17.Bb4 Bc4 18.Nc4 dc4–/+) 17.Qc7 Bf1 18.Qd7 Nd7+=) 15...Nd3 16.Qc3 Nb2 17.Qb2 (17.cd6 Nc4 18.Nc4 dc4=) 17...Bf8 (17...Be7 18.Ne5 Qe6+=) 18.Ne5 (18.Qb7? Reb8 19.Ne5 Rb7 20.Nd7 Nd7–+) 18...Qe6 19.Qb7 Bc5 20.Ndf3 Bb6 21.Qc6 Ne4 22.Rfc1 f6 23.Qe6 Re6 24.Nc6 a5 25.a4 Bc5 26.Na5 Ra5 27.dc5 Nc5 Attacking the isolated pawn on a4 28.Rab1 Rb6 29.Rb6 cb6 30.g3 Ra4 (30...Na4?! 31.Rc8 Kf7 32.Rc7 Kg6 33.Nh4 Kh6 34.Nf5 Kg5 35.Ng7=) 31.Rb1 Nd7 32.Rd1 Ra5 33.Kf1 (33.Nd4 Kf7–/+) 33...g6 (33...Ne5 34.Nd4–/+) 34.Nd4 Ne5 35.Rb1 (35.Ne6!?+=) 35...Nc4–/+ 36.Ke1 Kf7 37.Nb5 Ke6 38.h4 Ke5 39.Nd4 Ra2 40.Ne2 Rb2 41.Rb2 Nb2 42.Nd4 Kd6 43.Kd2 Nc4 44.Kd3 Ne5 45.Kd2 f5 46.h5 Kc5 47.hg6 hg6 (47...Ng6?! 48.Nf5 Ne5 49.Nd4=) 48.Ne6 Kc6 49.f4 Kd6 50.Nf8 (50.Nd4 Nc6 51.Nf3 b5–+) 50...Ke7 51.Nh7 (51.Nh7 Nc4 52.Kd3–+). pzn2pawn (1825) – Billy Goat (1805), redhotpawn.com, 2016.

9.Nc3 a6 10.a3 Bd6 11.Nh4 Be6 12.Nf3 b5 13.Re1 Ne4 14.d3 Nc3 15.Bc3 Bf5 (15...Qe7 16.Qc1=) 16.Qd2 Rb8 17.Bb2 Re6 18.Red1 Qe7 19.c4 dc4 20.dc4 Be4 21.cb5 ab5 22.Qc3 Rg6 23.h3 Qe6 24.Kf1 Ne7 25.Bd3 f5 26.Be4 fe4 27.Ne5 Rg5–+ 28.Nc6?? Nc6 29.Qc6 Rc5 30.Qa6 Rc2 31.Rd6 Qf5 32.f4 ef3 33.g4 Qe4 34.Rad1 cd6 35.Qd6 Qc4 36.Rd3 Rc8 (37.Bc3 Rc3 38.Qd5 Qd5 39.Rd5 Rc2 40.Rb5 Rh2 41.Rb1 Rcc2 42.Rb8 Kf7 43.Rb7 Kg6 44.Rb6 Kg5 45.h4 Kh4 46.Rh6 gh6 47.Kg1 Rhg2 48.Kf1 Rc1; 36...Rb2?! 37.Qb8 Kf7 38.Qf4 Qf4 39.ef4+=) 0–1. Gerold,Guenter – Klemens,Leszek, corr ICCF TT, 2004.

9.Nc3 a6 10.Rb1 Qd6 11.d4 b5 12.Ne5 Ba5 13.Nd3 Bb6 14.Bf3 h6 15.a4 b4 16.Ne2 a5 17.Ng3 Bh7 18.Be2 Ne4 19.Bg4 Ng3 20.hg3 Be4 21.Qe2 Ne7 22.Rbc1 Rad8 23.Rfd1 c6 24.c3 b3 25.c4 Ba7 26.c5 Qc7 27.Qd2 Ra8 28.Rc3 Rab8 29.Ra1 Rb7 30.Ra3 Reb8 31.Bd1 Qc8 32.Rcb3 Rb3 33.Bb3 Ra8 34.Bd1 Bb8 35.Bc3 Bc7 36.Rb3 Ng6 37.Be2 1–0. Trokenheim,Marek (1830) – Nospers,Claudia, OP–2012–0–02016, 2012.

9.Nc3 a6 10.Rb1 Ne4 11.Ne4 de4 12.Nd4 Nd4 13.Bd4 c5 14.Ba1 Qe7 15.d4 ed3 16.cd3 b5 17.Bg4 Bg6 18.Bh5 Bh5 19.Qh5 Rad8 20.Rfd1 f6 21.Bb2 Qe6 22.a3 Rd5 23.Qf3 Ba5 24.Rbc1 Bb6 25.h3 Red8 26.d4 cd4 27.Bd4 Bd4 28.Rd4 Rd4 29.ed4 Rd4 30.Qa8 Kf7 31.Rc7 Rd7 32.Rd7 Qd7 33.Qa6 g5 ½–½. Bilsel,Sabahad – Steinmann,Joachim, corr TKM, 1999.

9.Nc3 Bc3 10.Bc3 Qd6 =.

9.c4 Ba5 10.Qb3 Nb4 11.Nd4 Bc8 12.a3 Nc6 13.Nc6+– bc6 14.Qa4 Bb6 15.cd5 cd5 16.Bf6 gf6 17.Bd3 f5 18.Nc3+/– Be6 19.Ne2 c5 20.Bb5 Rf8 21.Qf4 Bc7+= 22.Qh6 Be5 23.d4+= Bg7 24.Qh5 c4 25.Nf4 Rb8 26.Ba4 Rb2 27.Qd1 Qb6 28.Nh5 Rb8 29.Qf3 Qc7 30.Nf4 Qd6 31.Qg3 R8b6= 32.Qg5 h6 33.Qg3 Ra6 34.Bd1 c3 35.Nd3 Qg3=+ 36.hg3 Rd2 37.Nb4 Rb6 38.Bf3= Rb5 39.Ra2 Rb2 40.Rb2 cb2 41.Rb1 Bf8 42.Rb2 a5 43.Be2 Rb6 44.Nd3 Rb2 45.Nb2 Ba3 46.Nd3 Kf8 47.Ne5 Bd6=+ 48.Bb5 Be5 49.de5 d4 50.ed4= Bb3 51.f4 a4–/+ 52.Ba4 Ba4 53.d5 Ke7 54.Kh2 Bb3=+ 55.d6 Kd8 56.Kh3 Bd1 57.Kh4 f6 58.Kh3 Bg4 59.Kh2 Kd7–+ 60.Kg1 Bh5 61.Kf2 Be8 62.Ke3 fe5 63.Kf2?? Kd6–+ 64.fe5 Ke5 65.Kf3 Bh5 66.Kf2 Ke4 67.Kg1 Ke3 68.Kf1 Be2 69.Kg1 h5 70.Kh2 Kf2 71.Kh3 Bd1 72.Kh2 Bg4 73.Kh1 Kg3 (73...Kg3 74.Kg1 Be2 75.Kh1 f4 76.Kg1 f3 77.Kh1 h4 78.gf3 h3 79.f4 h2 80.f5 Bf3#) 0–1. Kuhn,Heinz (1760) – Augustin,Christian (1965), Amateur Cup B, 2001.

9.c4 a6 10.Qb3 a5 11.a3 a4 12.Qd1 Be7 13.cd5 Qd5 14.Nc3 Qa5 15.Bb5 Ne4 16.Bc6+= bc6 17.Nd4 Nc3 18.Bc3 Qd5 19.Nf5 Qf5 20.f4 c5 21.Qe2 Rab8 22.Qc4 Qd7 23.Rab1 Red8 24.f5 Rb1 25.Rb1 Qf5 26.Rf1 Qe6 27.Qa4 Bd6 28.Qh4 f6 29.a4 Be5 30.Be5 Qe5 31.Qc4 Kf8 32.Rd1 Qh5 33.g4 Qg5 34.h3 Qe5 35.Kg2+= Qd6 36.a5 Ra8= 37.Qc3 c4 38.Ra1+= c5 39.Ra2 Qa6 40.e4 Qe6 41.Qe3 Kf7 42.Qe2 (42.Ra3 Re8+=) ½–½. Guercia Sammarco,Elio – Berk,Cem, IECG, 2000.

9.c4 a6 10.Qb3 a5 11.Nc3 d4 12.Na4 de3 13.fe3 Bg4 14.Rad1 Ne4 15.Bc3 Qe7 16.a3 Ba3 17.Qb7 Nb4 18.Ra1 Nc2 19.Ra2 Reb8 20.Qd5 Nc3 21.Nc3 Nb4 22.Qa8 Ra8 23.Ra3 Nd5 24.Nb1 Nf4 25.ef4 Qe2 26.Ne5 Bf5 27.Re3 Qh5 28.d4 f6 29.Nc6 Re8 30.Ne7 Kf8 31.Nf5 Qf5 32.Re8 Ke8 33.Nd2 Qd3 34.Nf3 Qc4 35.Kf2 a4 36.Re1 Kf7 37.Re3 c5 38.Kg3 cd4 39.Re4 a3 40.Rd4 Qb3 41.Kg4 f5 42.Kh4 a2 43.Rd3 Qd3 44.Ne5 Kf6 0–1. Fritz 8 (No MMX) – Fritz 6, 2004.

9.c4 a6 10.d4 dc4 11.a3 Bd6 12.Bc4 b5 13.Bd3 Qd7 14.Nc3 b4 15.ab4 Bd3 16.Qd3 Nb4 17.Qc4 a5 18.Rfc1 Qf5 19.Rcb1 Ne4 20.Ne4 Qe4 21.Nd2 Qf5 22.Qc3 Nd3 23.Nf3 Nb2 24.Qb2 a4 25.Qb5 Qb5 26.Rb5 a3 27.g3 Reb8 28.Rb8 Rb8 29.Kg2 Rb2 30.Ng5 f5 31.h3 h6 32.Nf3 a2 33.Nh4 Bb4 34.Nf5 Rd2 35.Rc1 Re2 36.Ne7 Be7 0–1. Bonetti,Shane – Darkchessplayer (2620), ICC, 2002.

9.c4 a6 10.d4 dc4 11.Bc4 b5 12.Bd3 Bd3 13.Qd3 Bd6 14.Nbd2 Nb4=+ 15.Qb3 a5 16.a4 c6 17.Rfd1 Nd7 18.ab5= cb5 19.Ba3 Qe7 20.e4 Qe6 21.Qe6 fe6=+ 22.Nf1 Bf8 23.Rab1 Na2 24.Bf8+/– Rf8 25.Rb2 Nc3–/+ 26.Rd3 b4 27.Ng3 Rfc8 28.Kf1 a4 (29.Rb4 a3=). Cottarelli,Franco – Steinmann,Joachim, corr 3GMM–30, 1996.

9.c4 Bc5 10.d4 Be7 11.Nc3 Nb4 12.Rc1 Nc6 13.cd5 Nd5 14.Nd5 Qd5 15.Bc4 Qd6 16.d5 Nd8 17.Bb5 c6 18.dc6 Qd1 19.Rfd1 bc6 20.Bc6 h6?? 21.Ba8 (21.Ba8 Ne6 22.Rd7+–) 1–0. Brinkmann,Wilhelm – Hasler,Ulrich, corr SOK–89–35, 1989.

9.c4 Qd6 10.a3 Ba5 11.d4 Ng4 12.h3 Nf6 13.Nbd2 Rad8 14.c5 Qe7 15.Nb3+= Ne4 16.Rc1 a6 17.Ne5 Ne5 18.de5 b6+= 19.Ba6 Qg5 20.Qf3 Rb8 21.c6 Nc5 22.Nc5 bc5 23.Bb7 Be4 24.Qg4 Qg4 25.hg4 c4 26.a4 Bd3 27.Rfd1 Rbd8 28.Bc3 Bc3 29.Rc3 d4 30.ed4+– Rd5 31.Ra3 (31.Ra3 Ra5 32.f4+–; 31.Rdd3?! cd3 32.Rd3 Red8+/–; 31.Rcd3?! cd3 32.Rd3 Red8+/–) 1–0. Bjazevic,Pavao – Haznedaroglu,Kivanc (1990), corr ICCF WSTT/3/06/3, 2006.

9.c4 Qd6 10.d4 dc4 11.Bc4 Rad8 12.a3= Ba5 13.Qb3 Nd5 14.Ne5 Ne5–/+ 15.de5 Qc6 16.a4 Be6 17.Na3 Nb6 18.Be6 Qe6 19.Qe6 Re6 20.Bd4 Rc6 21.Rab1 Kf8 22.Rb5 Rd5 23.f4 a6=+ 24.Rd5 Nd5–/+ 25.Rb1 Bb4 26.Rb3 Ba3 27.Ra3 Rc4 28.g3 c5 29.Bb2 Nb4 30.Rc3 Rc3–+ 31.Bc3 Nd5 32.Bd2 Nb6 33.a5=+ Nc4 34.Bc3 Ne3–/+ 35.Bb2 Nc4–+ 36.Bc3 Ne3?? 37.Bb2 Nd1 38.Ba3= Nc3 39.Bc5+= Ke8 40.Kg2 Kd7 41.Kf3 Kc6 42.Bb4 Nd5 43.Bd2 h5 44.Ke4 g6 45.f5 Ne7 46.fg6+= fg6 47.Bb4 Nd5 48.Bd2 Nc7 49.Bb4 Ne6 50.h4+= Nd8 51.e6 Ne6–/+ 52.Ke5 Nc5 53.Kf6 Ne4 54.Kg6 Ng3 55.Be1 Ne2 56.Kh5+/– Nf4 57.Kg4 Ng2?? 58.h5+– Ne1 59.h6 Nd3 60.Kf5 Nc5 61.h7 Nb3 62.h8Q Na5 63.Qc3 Kb6 64.Qb4 Ka7 65.Qa5 b6 66.Qa1 (66.Qa1 Kb7 67.Qh1 Kc7 68.Qa8+–; 66.Qc3 Kb7 67.Ke4 a5 68.Kd5 a4 69.Qg7 Ka6 70.Kc6 a3 71.Qe7 a2 72.Qa3#) 1–0. Tkac,Milan – Michalek,Michal, SVK–chT3B, 2003.

9.c4 Re6 10.Qb3 Qd7 11.Bf6 dc4 12.Bc4 Rf6 13.Bd5 Qe7 14.a3+= Bd6 15.Qb7 Rb8 16.Qc6 Bh2!–+ 17.Nh2 Rc6 18.Bc6 Rb6?? 19.Rc1?? Qf6–/+ 20.Nc3 Rc6 21.Rab1?? Bb1–+ 22.Rb1 h6 23.Ng4 Qf5 24.f3 Kh7 25.Rb5 Qc2 26.Ne4 Qd3 27.Rf5 f6 28.Rf4 Qa3 29.Ngf2 a5 30.Nc3 Qc1 31.Nfd1 Qd2 32.Rd4 Qe1 33.Kh2 Rc3 (33...Rc3 34.Nc3 Qc3–+) 0–1. Maedel,Katja – Skupin,Stephan, GER, 1997.

9.c4 Be6 10.cd5 Nd5=+ 11.d4 Qf6 12.Nbd2 Qg6 (13.Bb5 Bg4=+). Merten,Rainer – Lezcano, corr 3GMM–55, 1995.

9.c4 Ne7 10.Qb3+= a5 11.a3 Bc5 12.Bf6 (12.Qb7?? Rb8 13.Qa6 Rb2–+) 12...gf6 13.d4 Ba7 14.Nc3 (14.Qb7?? Bb6–+) 14...dc4 (14...c6!?+/–) 15.Bc4+– Rf8 16.Qb7 Qb8 17.Qb8 Rab8 (17...Rfb8? 18.Nd5 Nd5 19.Bd5+–) 18.Rfc1 Be6? (better is 18...Kg7!?+/–) 19.Ne4+– Kg7?? (19...Bc4 20.Rc4 Nd5+–) 20.Be6 fe6 (20...Rb7 21.Bc4 Rb2 22.Ng3+–) 21.Rc7 (21.Rc7 Rf7 22.Ra7+–) 1–0. aspasio – billmota (2310), net–chess.com, 2015.

9.c4 Ng4 10.a3= Bf8 11.cd5 Qd5 12.Nh4 Bb1 13.Rb1+= Nge5 14.Qc2 Rad8 15.d4+/– Ng6 16.Bf3 Qd7 17.Ng6 hg6 18.Rfc1 Bd6 19.Bc6 bc6 20.Qc6 Qc6+/– 21.Rc6 Rb8 22.Rcc1 Rb3 23.Bc3 Reb8 24.Rb3 Rb3 25.Bb4 Bb4 26.ab4 Rb4 27.h4 Rb7+= 28.Ra1 Kf8 29.g4 Ke7 30.Ra6 Kd7 31.Kg2 Kc8 32.Kf3 Kb8 33.Ke4 Rb6 34.Rb6 cb6+= 35.f4 a5 36.f5 gf5=+ 37.gf5 g6 38.Kd3+/– Kc7 39.e4 b5 40.e5 Kd7 41.d5 (41…a4 42.e6 Ke7 43.d6 Kd6 44.ef7+–) 1–0. Myrberg,Johnny – Retamar, corr 3GMM–39, 1997.

9.c4 Bg6 10.d4 dc4 11.a3 Bd6 12.Bc4 Ne4 13.Bb5 Bh5 14.d5 Ne5 15.Be2 Bf3 16.Bf3 Ng5 (Better is 16...Nf3!? 17.Qf3 Be5 18.Be5 Re5–/+) 17.Be2+= Ne4 18.Qd4 Nf6 19.Nc3 Ng6 20.Bb5 Re5 21.Rfc1 Rh5 22.f4 Qe7–/+ 23.Qd2? Ng4?? 24.Nd1=+ Rh2 25.Qc3?? Be5!–+ 26.fe5 Qh4 27.Kf1 N6e5 28.Rcb1 Qg3 29.Ke2 Qg2 30.Nf2 Qf2 31.Kd1 Rh1 0–1. Bonetti,Shane – Bertold (1880), ICC, 2002.

9.c4 h6!? –/+.

9.d3 a5 10.Nbd2 a4 11.a3 Bc5 12.d4 Bd6 13.c4 dc4 14.Nc4 Bf8 15.Rc1 Qd5 16.Nce5 Qa2 17.Ba1 Qa3 18.Nc6 bc6 19.Rc6 Bd6 20.Ne5 Be4=+ 21.Rc3 Qb4 22.f3 Bd5 23.e4 Bb3=+ 24.Qd3 c5 25.Nc6 Qb6 26.Qb5 Qb5 27.Bb5 cd4 28.Nd4 Reb8 29.Bc6 Ra6 30.Bb5 Rab6 31.Rfc1 Bf4 32.Rc8 Ne8 33.R1c5 Be3 34.Kh1 Be6 35.Rb8 Rb8 36.g4 a3 37.Kg2 a2 38.Be8= Rb1 39.Bc3 Rc1–/+ 40.Ra5 Rc3 41.Ne6 fe6 42.Ra2+= g5 43.Rb2 Rc1 44.Rb7 Rc2 45.Kf1 e5 46.Bf7 Kh8 47.h3 Rf2 48.Ke1 Rf3 49.Ke2 Rg3 50.Rb3 Bf4 51.Rg3 Bg3 ½–½. Cottarelli,Franco (2185) – Haznedaroglu,Kivanc (1990), corr ICCF WSTT/3/06/2, 2006.

9.d3 a5 10.Nbd2 a4 11.Rb1 Qe7 12.Ba1 b6 13.c3 Bd6 14.Re1 h6 15.Nf1 Bd7 16.N3d2 Bf5 17.Ng3 Bg6 18.Ndf1 Bc5 19.Rc1 Ba3 20.Rc2 b5 21.f4 Bd6 22.Kh1 Rab8 23.Rc1 Qe6 24.Bf3 Rbd8 25.c4=+ Bb4 26.cb5 Na7 27.Re2 Nb5 28.Qa4 Ba3 29.Rb1 Bd3 30.Rb5 Bb5 31.Qb5 c6 32.Qd3 Bb4 33.Nf5 c5 34.N1g3+– c4 35.Qc2 Bf8 36.h3 Ne4 37.Be4 de4 38.Nd4 Qg6 39.Kh2 Rc8 40.Bc3 Rcd8 41.a4 Ra8 42.a5 Rac8 43.Qa4 Qa6 44.Rb2 Qa8 45.Rb5 Rc7 46.Ndf5 g6 47.Nd4 Bg7 48.Qa1 Rec8 49.f5 Kh7 50.fg6 fg6 51.Ne6 Bc3 52.Qc3 Ra7 53.Re5 Rf7 54.Re4 Qc6 55.Nf4 g5 56.Nfh5 Rcc7 57.Rd4 Rf2 58.Ne4 Rf1 59.Rd8 (59.Rd8 Qe4 60.Qh8 Kg6 61.Rd6 Kf7 62.Qg7 Ke8 63.Qc7 Qe5 64.Ng3 Qd6 65.Qd6+–) 1–0. Fekete,Albert – Gerold,Guenter, corr ICCF TT/6/02/2, 2005.

9.d3 d5 10.Nbd2 Rb8 11.c4 Bd2 12.Qd2 dc4 13.dc4 Qd2 14.Nd2 Rbd8 15.Nb3 Nd7 16.Rfd1 f6 17.Bh5 Bg6 18.Bg6 hg6 19.Rac1 Nde5 20.Rd8 Rd8 21.Be5 Ne5 22.Kf1 Kf7 23.c5 g5 24.Nd4 g4 25.Ke2 g6 26.a4 Rh8 27.c6 bc6 28.Nc6 Nc6 29.Rc6 (29...Rh2 30.g3+=) +=. Woelfelschneider,Peter – Schulz,Hans_Juergen, T16–05.85, 2002.

9.d3 Bd6 10.Nc3 a6 11.Re1 b5 12.a3 Qe7 13.Nd5 =+.

9.d3 Bd6 10.Nbd2 Ne5 11.Be5 Be5 12.Ne5 Re5 13.c4 Re7 14.Qc2 d4 15.Nb3 de3 16.fe3 Bg6 17.e4 b6 18.c5= a5 19.Qb2 Rd7 20.cb6 cb6 21.Rac1 a4 22.Nd2 Rd4 23.Nc4 Rb8 24.Kh1 b5 25.Ne5 Rb6?? 26.Qd4!! (26.Qd4 Rb8 27.Qd8 Rd8 28.Rc5+–; 26.Ng6?! hg6 27.Kg1 Qd6+=) 1–0. b4_player – opponent, gamecolony.com, 2007.

9.d3 Qd7 10.Nbd2 Qe6 11.Re1 Ng4 12.Rb1 Qh6 13.h3+= Nf2 14.Kf2 Qe3 15.Kf1 Rab8 16.g4 Bd7 17.Kg2 h5 18.gh5+/– Qe6 19.Ng1 d4 20.Rf1 Qd5 21.Ndf3 Bd6 22.Qe1 Re6 23.Qf2 Rbe8 24.Kh1 Qh5 25.h4 Rf6 26.c3 Rf4 27.Rbe1 Nb4 28.Bc1 Re2! 29.Re2 Nd3 30.Bf4 0–1. kofti – chem1st, ChessWorld.net, 2005.

9.d3 Re6 10.Nbd2 Bd6 (10...h6 11.a3 Bc5 12.Nb3=) 11.Nb3 (11.c4 dc4 12.Nc4 Nd5=) 11...Re8 12.Nfd4 Nd4 13.Nd4 Bg6 14.Nf3 Nd7 (14...c5 15.Rb1=) 15.Qd2 Ne5 (15...c6 16.Rab1=) 16.d4?? (better is 16.Ne5 Re5 17.Be5 Be5 18.Rab1+–) 16...Nf3+= 17.Bf3 c6 18.Rac1 b5 19.Be2 Qc7 20.h3 (20.g3 a5+=) 20...Re6 21.Bg4 f5 22.Bf3 f4 23.Rce1 (23.Bg4 Rf6–/+) 23...fe3 24.fe3 Bg3 25.Bg4 Ree8 (25...Rf6 26.Ra1 Bh2 27.Kh1–/+) 26.Re2 (26.Ra1 Bd6+=) 26...Qd6 (26...Rf8 27.Qd1–+) 27.Rf3 (27.Qa5!?+=) 27...Be4–/+ 28.Rf1 (28.Rg3!? Qg3 29.Ba3–/+) 28...Rf8–+ 29.Rf8 (29.Rf3 a5–+) 29...Rf8 30.Qc1 (30.Qd1 Rf6–+) 30...g6 31.c3 Bd3 (better is 31...a5–+) 32.Ba3 Qc7?? (better is 32...Qf6 33.Bf8 Be2 34.Be2 Qf2 (34...Kf8?! 35.Qf1 Bh4 36.Qf6 Bf6 37.Kf2=; 34...Qf8?! 35.Bf3+=) 35.Kh1 Qe2–+ (35...Qf8?! 36.Bg4–/+; worse is 35...Kf8 36.Qf1–+)) 33.Be6= Kh8 34.Bf8 Be2 35.Qd2 Bc4 36.a3?? (better is 36.Qd1 Bh4 37.Qf3=) 36...Qd8–+ 37.Bc5 (37.Bh6 Qf6 38.Bf4 Bf4 (38...Qe6?! 39.Bg3 Qf5 40.Qe1=) 39.ef4 Qe6–+) 37...Qf6 38.Qd1 Qe6 39.Qf3 Bd6 40.Bb4 Bb4 (40...Kg7!? 41.Bd6 Qd6 42.Qf4 Qa3 43.Qc7 Kf6 44.Qe5 Kf7 45.Qf4 Ke6 46.Qe5 Kd7 47.Qb8–+) 41.ab4 Kg7 42.Qf4 Qe7 0–1. Nemsadze,Daviti – Vagman,Roy, European Youth Chess Championship U8, 2016.

9.d3 Re6 10.Nh4= Ne7 (better is 10...Bg6!?=) 11.Nf5+/– Nf5 12.Bg4 g6 13.Bf5 gf5 14.Qf3 Ng4 15.h3 Nh6 16.Nc3 c6 17.Ne2 Bd6 18.Nf4 Bf4 19.Qf4 Qb6 (19...Qd6 20.Qd4 f6 21.Qh4+/–) 20.Rab1 Qa5? (20...Qd8 21.Qd4 f6 22.c4+/–) 21.a3 (21.Qd4 f6 22.Qf4 Nf7 23.Qf5 Rae8 24.Bf6 Rf6 25.Qf6 Qc7+–) 21...Qd2 (better is 21...Qd8+–) 22.Qd4 f6 23.Bc3 c5 (23...Qe2 24.Qh4 Nf7+–) 24.Qd5 Qc3 25.Qe6 Kf8 (25...Nf7 26.Rb7 Rf8+–) 26.Rb7 Qe5 27.Qd7 Kg8 (27...Qe6 28.Qe6 Re8 29.Qf6 Nf7 30.Qf7) 28.Qg7 1–0. Mauron,Regis – Miolane,Tom, 12e Tournoi de Nol, 2009.

9.d3 Bf8 10.Nbd2 h6 11.a4 a5 12.Re1 Qd7 13.Bf6 gf6 14.c3 Kh7 15.d4 Bd6 16.Nh4 Bg6 17.Bb5 Qe6 18.Qf3 Rg8 19.e4 Ne7 20.Ng6 Rg6? 21.Bd3 (21.Bd3 Kg7 22.ed5+–) 1–0. marekt – Simon de Balle, ChessWorld.net, 2005.

9.d3 Ng4 10.Nbd2= Qd6 11.Rb1 a5 12.c3 Bc5 13.d4 Bb6 14.Rc1 a4 15.c4 Qh6 16.cd5+= Nb4 17.Bb5 Red8 18.e4 a3 19.Ba1 Na2 20.Rb1 Ba5 21.ef5 Nc3 22.Bc3 Bc3 23.Ne4 Bb2 24.Bc4 b5 25.Ba2 Re8 26.Nc5 Qd6 27.Nd3 Bd4 28.Qb3 Bb6 29.Rfe1 Rab8 30.Qb5 Re1 31.Re1 Bf2 32.Nf2 Rb5 33.Re8 Qf8 34.Rf8 Kf8 35.Nd3 Ne3 36.f6 g6 37.Nd4 Rb6=+ 38.Kf2 Nd1 39.Kg3 Nc3 40.Bc4 a2 41.Ba2 Na2 42.Kf4 Rf6 43.Ke5 Rb6 44.Nc6 Rb1 45.Kd4 Rd1 46.Kc4 Rd2 47.Ne1 Re2 48.Nf3 Rg2 49.Ncd4 f5 50.h4 Ke7 51.Ne5 Rh2 52.Nef3 Rh1 53.Kb3 Nc1 54.Kc4 Rh3 55.Nc6 Kf6 56.Nce5 Rh1 57.Nd7 Ke7 58.Nde5 Ne2 59.Kc5 Rc1 60.Nc4 h6 61.Kb5 Rc3 62.Nfe5 g5 63.hg5 hg5 64.Kb4 g4 65.Nb2 Kd6 66.Nc6 g3 (66...g3 67.Nd4 Nd4 68.Kc3 g2 69.Kd4 g1Q 70.Kd3 Kd5–+) 0–1. Pierred (2230) – RAVEL (2565), Rated game, 5m + 0s, 2005.

9.d4 a6 10.a3 Bd6 11.c4 dc4 12.Bc4 Na5 13.Bd3 Bd3 14.Qd3 c5 15.Nbd2 Rc8 16.Rac1 b5 17.e4 c4 18.Qb1 Bf4 19.Rfe1 Qe7 20.Qa1 Ne4?? 21.Re4+– Qc7 22.Re8 Re8 23.Re1 Rd8 24.Bc3 Nb7 25.Ne4 f6 26.Qb2 Bh6 27.Qe2 Qd7 28.Ng3 Bf4 29.Qe6 Qe6 30.Re6 Bd6 31.Nf5 Kf7 32.Nd6 Nd6 33.d5 Nf5 34.Ra6 Rd5 35.Kf1 Nd6 36.Ra7 Kg6 37.Rd7 Rd3 38.Bb4 Ne4 39.Rd3 (39.Rd3 cd3 40.Nd4+–) 1–0. Jurkowski,Marcin – Iwanski,Tadeusz, corr ½ ch Poland, 1998.

9.d4 Qd6 10.a3 Ba5 11.c4 =+.

9.d4 Qd7 10.a3 Bf8 11.Nbd2 Rad8 12.c4 Be4 (12...dc4!? 13.Nc4 Qd5=) ½–½. Kornasiewicz,Stanislaw (2350) – Michalczyk,Stanislaw (2175), Moravia–ch op, 1996.

9.d4 Ne4 10.a3 Bd6 11.Nbd2 Re6 12.Ne4 de4 13.Nd2 0–1. purplegadge (1735) – results (1765), gameknot.com, 2013.

9.d4 Qe7 10.c3 Bd6 11.Nbd2 Rad8 12.c4 Bf4 13.Qb3 Na5 14.Qa4 b6 15.Rfe1 Bh6 16.Ba3 Qd7 17.Qd7 Bd7 18.cd5 Nd5 19.Nc4 Nc6 20.Rac1 Be6 21.h4 Nb8 22.Ng5 Bc8 23.Bh5 g6 24.Bf3+/– Bf8 25.Bf8 Rf8 26.Ne5 f6 27.Nef7 Rf7 28.Nf7 Kf7 29.Bd5 Rd5 30.Rc7 Bd7 31.Rec1 Ke6 32.Ra7 Nc6 33.Rb7 b5 34.a3 Na5 35.Ra7 Nc6 36.Ra6 Rd6 37.Kf1 Ne7 38.Rd6 Kd6 39.f3 f5 40.e4 Nc6 41.Rc5 Ke7 42.Rb5 Nd4 43.Re5 Be6 44.Ra5 fe4 45.fe4 Kf6 46.Kf2 Nb3 47.Ra7 h5 48.Ke3 Nc5 49.Ra5 Nb3 50.Rb5 (50.Rb5 Bc4 51.Rb6 Be6 52.a4+–) 1–0. Hoebel,Hartmut – Warzecha,Helmut, BdF, 2000.

9.d4 Ne7 10.c4 c6 11.Qb3 Bd6 12.Nbd2 Ng6 13.cd5 cd5 14.Ba3 Ba3 15.Qa3 Qe7 16.Qe7 Re7 17.Rfc1 Nf4 18.Kf1 Ne2 19.Ke2 b6 20.h3 Kf8 21.Rc3 Ne4 22.Ne4 Be4 23.Rac1 Rae8 24.g4 f6 25.Nd2 Bg6 26.a3 Kf7 27.Nf3 h5 28.Nh4 hg4 29.hg4 Rh8 30.Ng6 Kg6 31.Rc8 Rc8 32.Rc8 Kg5 33.Kf3 Rd7 34.Kg3 Kg6 35.Kf4 Kf7 36.e4 de4 37.Ke4 Re7 38.Kd3 Ke6 39.f4 Kd6 40.Rd8 Kc7 41.Ra8 Kc6 42.g5 fg5 43.fg5 Kb5 44.Rf8 a5 45.Rf4 Rd7 46.Rf3 Rd5 47.Rg3 Kc6 48.Ke4 b5 49.g6 Kd6 50.Rb3 a4 51.Rg3 Rh5 52.Kd3 Kd5 53.Kc3 Ke4 54.Rg4 Kf5 55.Rg1 Rh3 56.Kb4 Rb3 57.Kc5 Ra3 58.Kb5 Rb3 59.Ka4 Rd3 60.Rf1 Kg6 61.Rg1 Kf6 62.Rg4 Rc3 63.Kb5 Rc7 64.Re4 Kf5 65.Re8 g5 66.d5 g4 67.d6 Ra7 68.Kb6 Rf7?? 69.Re7+– Rf8 70.d7 Kf6 71.Re8 Re8 72.de8Q Kg5 73.Qe5 Kh4 1–0. Fritz 6 – Fritz 5.32, 2004.

9.d4 Ne7 10.c4 c6 11.Qb3 Bd6 12.Nbd2 Ng6 13.cd5 cd5 14.Ba3 Ba3 15.Qa3 Qe7 16.Qe7 Re7 17.Rfc1 h6 18.Rc3 Rc8 19.Rc8 Bc8 20.Rc1 Bf5 21.h3 b6 22.g4 Bd7 23.Bd3 Ne4 24.Nb1 a5 25.Nc3 Nc3 26.Rc3 Ba4 27.Bc2 Bc2 28.Rc2 Kf8 29.Kf1 Rb7 30.Ke2 Ke7 31.h4 Kd6 32.h5 Ne7 33.Ne5 f6 34.Nd3 b5 35.Rc5 Nc6 36.Rc2 Ne7 ½–½. Malmstroem,Jan – Rau,Johann, corr TKM/A009, 1999.

9.d4 Bf8 10.c4 Nb4 11.Nc3 a6 12.Rc1 dc4 13.Bc4 b5 14.Be2 Qd7? (better is 14...Bd6=) 15.Ne5+– Qd6 16.Bf3 c6 17.e4 Be6 18.a3 Na2? (better is 18...c5 19.ab4 cd4+/–) 19.Na2+– Ba2 20.Rc6 Qd8 21.Qc2 Rc8 22.Rc1 Rc6 23.Qc6 Qa5 24.Nd7 Nd7+/– 25.Qd7 Re7 26.Qc8 Bc4 27.Rc3 g6 28.h3 Kg7?? 29.d5 f6 30.d6 Rf7 31.d7 Be7 32.Re3 Qd8 33.e5 f5 34.e6 Rf6 35.Qd8 Bd8 36.e7 (36.e7 Bc7 37.e8Q Bh2 38.Kh2 h5 39.Bf6 Kf6 40.Qe7#) 1–0. Kozlowska,Marzena (1960) – Kiolbasa,Oliwia (1670), 53. Zlota Wieza Poland, 2011.

9.d4 h6 10.Bb5 Bg4 11.Bc6 bc6 12.c3 Bd6 13.h3 Bh5 14.Ba3 Ba3 15.Na3 Ne4 16.g4 Bg6 17.c4 Ng5 18.Ng5 Qg5 19.Rc1 Qh4 20.Kg2 h5 21.cd5 cd5 22.Rc7 Re4 23.gh5 Bh5 24.Qc2 Qg5 25.Kh2 Rh4 26.Rc8 Rc8 27.Qc8 Kh7 28.Rg1 Qf6 29.f4 Bf3 30.Qc3 Qf5 31.Rg3 Be4 32.Nb5 Qh5 33.Qd2 a6 34.Nc7 Qh6 35.Ne8 g6 36.Nf6 Kg7 37.Ne4 de4 38.Qa5 Qh5 39.Qa6 Qd1 40.f5 Qd2 41.Kg1 Qe1 42.Kg2 Qd2 43.Kf1 Qd1 44.Kf2 Qd2 45.Qe2 Qc1 46.fg6 fg6 47.a4 Rh5 48.Qh5 Qc2 49.Kg1 Qc1 50.Kh2 Qd2 51.Rg2 Qg2 52.Kg2 gh5 53.a5 1–0. guest1546 – guest1995, ICC, 2002.

9.Nd4 Nd4 10.Bd4 Bd6 11.Nc3 c5 12.Bf6 Qf6 13.Bb5 =+.

9.Re1 Qe7 10.Nc3 Bc5 11.Nb5 Ne4 12.Nc3 Rad8 13.Na4 =+.

9.h3 a6 10.c3 Bd6 11.c4 Qe7 12.Nc3 Rad8 13.cd5= Ne5 14.Nd4+= Bg6 15.Qb3. gtate (1930) – segovia (1800), net–chess.com, 2004.

9.h3 Qd6 10.a3 Ba5 11.d3 Nd7 12.Nbd2 Rad8 13.Nb3 Bb6 14.Rb1 Nde5 15.Ne5 Ne5 16.a4 a5 17.Bc3 Qg6 18.Kh1 Nc6 19.Qd2 Qh6=+ 20.Ba5 Na5–/+ 21.Na5 Bh3 22.Nb7 Bc8 23.Kg1–/+ Bb7 24.a5 d4 25.ab6 cb6 26.Qb4 Bg2–+ 27.Kg2 Qg5 28.Kh3 Re6 29.Bg4 Rh6 30.Kg3 f5 31.Qc4 Kh8 32.f3 Qh4 33.Kf4 fg4 34.Qf7 g3 35.Kf5 Rh5 36.Qh5 Qh5 37.Kf4 Qh4 38.Kf5 Rd5 39.Ke6 Qd8 40.Kf7 Qf6 41.Ke8 Rd8# 0–1. Fritz 6 – Fritz 8, 2003.

9.h3 Qd6 10.Nc3 a6 11.d4 Bc3 12.Bc3 Ne4 13.Bb2 Qg6 14.Nh4= Qg5 15.Nf5 Qf5 16.Rb1 Na5 17.Bd3 Qg5 18.Be4 Re4 19.Bc3 Nc4 20.Kh1 b6–/+ 21.Bd2 Qg6 22.Re1 Rae8 23.Bc3 Rh4 24.Rc1 Qc6 25.Qf3 Na3 26.Bb2 Nc4 27.Ba1 Rh6 28.Qe2 Qa4 29.Qf3 c6 30.e4 Nd2 31.ed5+= cd5 32.Qd5 Ree6?? 33.Re6 Re6+/– 34.Qg5 Qb4?? 35.c3+– Ne4 36.cb4 f6 37.Qd5 Kf7 38.Rc7 Kg6 39.Qe6 Nf2 40.Kg1 Nd3 41.Qe4 (41.Qe4 Kh6 42.Qh4 Kg6 43.Qg4 Kh6 44.Qg7 Kh5 45.Qf6 Nb4 46.Rh7; 41.Qg4 Kh6 42.Qg7 Kh5 43.Qf6 Nb4 44.Rh7) 1–0. Traverso,Agustin – Martincich,Santiago, Pan American–ch U12, 2001.

9.h3 Bd6 10.d4 Nb4 11.Na3 c6 12.c4 Ne4 13.c5 Bc7 14.g4 Bg6–/+ 15.Qb3 a5 16.Nb1 Ng5 17.Ng5 Qg5 18.Nd2 Qh4 19.Kg2 Nc2 20.Nf3 Ne3! 21.Qe3 Re3 22.Nh4 Re2 23.Ng6 hg6 24.Bc3 b5 25.cb6 Bb6 26.Rab1 Ba7 27.a4 g5 28.Rfc1 Ra2 29.Ra1 Ra1 30.Ba1 Rc8 31.Bc3 f6 32.Rb1= ½–½. Nissen,H – Terminali,G, corr ICCF, 1998.

9.h3 Qe7 10.d3 a6 11.a3 Bd6 12.Nbd2 Ne5 13.Ne5 Be5 14.Be5 Qe5 15.c4 c5 16.a4 Rad8 17.Rb1 Rd7 18.Qb3 Qe7 19.Rfc1 Red8 20.a5 dc4 21.Nc4 ½–½. Gretencord,Ulrich (2080) – Muller,Henri_Louis (2045), WC–2009–F–00008, 2009.

9.Nh4 Bd7 10.a3 Ba5 11.Nf3= Bf5 12.Nc3 Ne4 13.Ne4 de4 14.Nd4 Nd4 15.Bd4 Rc8 16.Bg4 Qg5 17.Bf5 Qf5 18.Rb1 c5 19.Ba1 b6 20.d4 cd4 21.ed4 Rc4 22.Rc1 Rec8 23.Bb2 Qb5 24.Ba1 Qd5 25.Qe2 Bc3 26.Bc3 Rc3 27.Qa6 Qd7 28.d5 Rc2 29.Rc2 Rc2 30.h3 Rd2 31.Rc1 f5 32.Qc8 Qc8 33.Rc8 Kf7 34.Rc7 Kf6 35.Rd7 Rd1 36.Kh2–/+ f4 37.Rd6 Ke5–+ 38.Rd7 Rf1 39.Ra7 Kd6 40.Rg7? e3 41.fe3 fe3 (41...fe3 42.Rb7 A) 42...Kd5?! 43.Re7=+ (43.Rb6?? e2 44.Rb5 Kd4 45.Rb4 Kc5–+; 43.Rh7?? e2 44.Re7 e1Q 45.Re1 Re1–+); B) 42...Rb1–+) 0–1. Machete (2295) – seemychess (1980), ICC, 2003.

9.Nh4 Be6 10.a3 Bc5 11.Nf3 =+.

9.Nh4 Be6 10.a3 Bd6 11.d3 d4 12.e4 Ne4 13.Nf3 Nc5 14.Nbd2 Na4 15.Qc1 Bf4 16.Rb1 Nc3 17.Bc3 dc3 18.Rb7 cd2 19.Nd2 Bc8 20.Rb1 Re2 0–1. Reussner,Hans_Dieter – Vetter,Udo, TRE 43.01.

9.a3 Ba5

10.Nc3 a6 11.Rb1 Ne4 =.

10.Nc3 a6 11.Rb1 Qe7 12.Re1 Rad8 13.Nh4 Bc8 14.Nf3 Ne4 15.Ne4 de4 16.Nd4 Nd4 17.ed4 c5 18.c3 cd4–/+ 19.cd4 Qg5 20.Bc3 Bc7 21.g3 Qg6 22.Qb3 b6 23.Rec1 Rd7 24.Rc2 Bb7 25.Rbc1 e3 26.de3 Qe4 27.f3 Qe3 28.Kg2 Rd4! 29.Rf1 b5 30.Qb2 Rg4 31.Qc1 Qc1 32.Rfc1 Bd6 33.Bb2 h5 34.Kf1 Rg6 35.f4 h4 36.Bd3 Rg5?? 37.fg5+– (37.fg5 hg3 38.hg3 Bg3 39.Re2 Re2 40.Ke2+–) 1–0. Gerold,Guenter – Boell,Alfons Willi, corr ICCF EU/M79, 2000.

10.Nc3 a6 11.Nh4 Be6=+ 12.Nf3 Ne4 13.Ne4 de4 14.Nd4 Nd4 15.Bd4 Qd6 16.d3 c5 17.Bb2 Bc7 18.g3 Rad8 19.Qc1 Bh3 20.Rd1 Qc6 21.d4 c4 22.Qd2 Be6 23.Rab1 Bd5 24.Bc3 Rb8 25.Bg4 Qg6 26.Qe2 b5 27.Bb4 Rbd8 28.h3 Qg5 29.a4? f5–+ (29...f5 30.Bh5 g6 31.ab5 ab5–+ (31...Qh5?! 32.Qh5 gh5 33.ba6=+); 29...ba4?! 30.Qe1–/+) 0–1. Pollina,Paolo – Viatge,Fabrice, IECC, 2001.

10.d3 a6 11.Nbd2 Qe7 12.Rb1 Nd7 13.Nb3 Bb6 14.Re1 Nde5 15.Nbd4 Nd4 16.Nd4 Bg6 17.Qd2 Rab8 18.Nf3 f6 19.Bd4 Nd7 20.Bb6 Nb6 21.Qc3 Na4 22.Qd4 Nb6 23.a4 c5 24.Qf4 Nd7 25.Nh4 Ne5 26.Ng6 Ng6 27.Qf3 Qe6 28.d4 cd4 29.ed4 Qe4 30.c3 Nf4 31.Qe4 Re4 32.Bf1 Re1 33.Re1 Kf7 34.Rb1 a5 35.Rb5 Rc8 36.g3 Ne6 37.Ra5 Rc3 38.Rd5 Ke7 39.Bb5 f5 40.h4 Rc1 41.Kg2 Ra1 42.Rd7 Kf6 43.Rb7 Rd1 44.a5 Nd4 45.Be8 Ra1 46.Rf7 Ke5 47.Rg7 Ra5 48.Rh7 Ra8 49.Bg6 Ra1 50.h5 Ke6 51.Rh8 Ra5 52.h6 Kf6 53.Rg8 Ra7 54.h7 Rh7 1–0. Fritz 6 – Fritz 8, 2004.

10.d3 Bb6 11.d4 =.

10.d3 Qe7 11.Nbd2 Rad8 12.Nb3 Bb6 13.Rb1 Ng4 14.Nfd4 Nd4 15.Nd4 Nh6 16.Nf5 Nf5 17.Bh5 c6 18.Qf3 Nh4 19.Qh3 c5 20.d4 cd4= 21.ed4 Rc8 22.g3 Ng6 23.Qf5 Qe6 24.Bg4 Qf5 25.Bf5 Rc4 26.Ba1 Re7 27.Bd3 Rc6 28.Rb5 Rd6 29.Rfb1 Ree6 30.a4 a6 31.R5b4 Ne7 32.c4+/– dc4 33.Bc4 Rf6 34.a5 Ba5 35.Rb7 Ng6 36.Ra7 Nf8 37.Rbb7+– Rc6 38.Bf7 Rf7 39.Rf7 Rc1 40.Kg2 Ra1 41.Rg7 Kh8 42.Rgb7 Bd2 43.d5 Ra2 44.Kh3 Bc3 45.d6 Kg8 46.d7 Nd7 47.Rd7 Rf2 48.Rh7 (48…Bd4 49.Rab7+–) 1–0. Krasny,Henryk Jan – Zylla,Johannes, corr 3GMM–32, 1996.

9.a3 Bd6

10.Nc3 a6 11.d3 b5 12.Qd2 Qe7 13.Rfe1 =+.

10.Nc3 a6 11.Nh4 Be6 12.Nf3 Bf5 13.Nh4 Be6 14.Nf3 Bf5 15.Nh4 Be6 (15...Bd7 16.Nf3=+) ½–½. Gerold,Guenter – Garcia Rovira,Juan, corr ICCF EU/M82, 1999.

10.c4 dc4 11.Bc4 Na5 12.Ba2 Bd3 13.Re1 c5 14.Qa4 Ne4–/+ 15.Nc3 b5 16.Nb5 Bb5–+ 17.Qb5 Rb8 18.Qa6 Rb2 19.Qa7 Re7 20.Qa6 c4 21.Nd4 Qb8 22.Qa5 Bh2 (22...Bh2 23.Kf1 Nd2 24.Qd2 Rd2–+) 0–1. ncc_1701 – chem1st, ChessWorld.net, 2005.

10.c4 dc4 11.Bc4 Na5 12.Ba2 Bd3 13.Re1 h6 14.Bc3 c5 15.Qa4 Bc7 16.g3 (better is 16.Qh4!?+=) 16...Ne4–/+ 17.Kg2 b5 18.Qd1 Qe7 19.Bd5 (19.Qc1 Rab8 20.Qb2 Nc4 21.Bc4 bc4–+ (21...Bc4?! 22.Bg7 Qe6 23.Nc3+=)) 19...Rad8–+ (worse is 19...Nc3 20.dc3 Be4 21.Ba8 Ra8 22.Qe2+=) 20.Ba2 b4 (better is 20...a6!?–+) 21.ab4–/+ cb4 22.Bd4 Ng5 23.Ng5 hg5 24.Qa4?? (better is 24.Rg1–+) 24...Rd4! 25.Qc6 (25.ed4 Qe1 Pinning (25...Qe1 Deflection)) 25...Nc6 26.ed4 Qe1 27.Kf3 (27.Be6 Bf1 28.Kg1 Bh3) 27…Qe4# 0–1. Neumann,Frank (1640) – Grimm,Wolfgang (2040), RSX5D–A00–Sokolsky–1, 2010.

10.c4 dc4 11.Bc4 Na5 12.Be2 Be6 =+.

10.c4 dc4 11.Bc4 Rb8 12.d4 =+.

10.c4 Ne5 11.cd5 Nd5 12.Ne5 Be5 13.Be5 Re5 14.d4 Re6 15.Bf3 Be4 16.Be4 Re4 17.Nd2 Re6 18.Re1 c6 19.Qb3 Qb6 20.Qd3 Rd8 21.Rab1 Qc7 22.Rec1 Qe7 23.Nf1 g6 24.Qb3 Rd7 25.Nd2 Kg7 26.Nc4 f6 27.Na5 Nb6 28.a4 f5 29.Qa2 f4= 30.ef4 Rd4 31.Qa1 Qf6=+ 32.Nb7 Ra4 33.Qf6 Rf6 34.g3 Ra2 35.h4 Re6 36.Re1 Re1 37.Re1= Nd5 38.Nd8 Nb4 39.Rd1 a5 40.Rd7= Kg8 41.g4 Ra3 42.Ne6= Nd5 43.Rg7 Kh8 44.Rf7 h6 45.Kg2 Rb3 46.Rf8 Kh7 47.g5 hg5 48.Ng5 Kg7 49.Ne6 Kh7 50.Rf7 Kh8 51.Ra7 Ra3 52.f3 Ne3 53.Kh3= Ra1 54.Nd4 c5=+ 55.Nb3 Rh1 56.Kg3 c4 57.Nd4 Rd1 58.Kf2 Rd4 59.Ke3= Rd3 (59...Rd5 60.Rc7=) ½–½. Efthimakis,Dimitros – Zamit,Spyridon, Athens op, 1997.

10.c4 Ne5 11.Ne5 Be5 12.Be5 Re5 =.

10.c4 Ne5 11.Ne5 Re5? 12.c5 +–.

10.d3 Nd7 11.Nbd2 Nc5 12.a4 a6 13.d4 Ne4 14.c4 Bb4 15.cd5 Qd5 16.Rc1 Rad8 17.Bc4 Qa5 18.Nb3 Qb6 19.Nh4 Bd7 20.Nf3 Bf8 21.Nfd2 Nf6 22.Bc3 Bg4 23.Qc2 Nb4 24.Qb1 Nfd5 25.Nc5 Nc3 26.Rc3 Bc5 27.dc5 Qa5 28.Ne4 Bh5 29.Rb3 Nc6 30.Ng5 Bg6 31.Bf7 Bf7 32.Qh7 Kf8 33.Qh8 Bg8 34.e4 Rd7 (better is 34...Nd4!? 35.Rb7 Qc5–/+) ½–½. Stapinski,Ryszard (1895) – Kolanek,Roman (1680), 28SF open Warsaw, 2003.

10.d3 Ne5 11.Nbd2 c6 12.Ne5 Be5 (worse is 12...Re5 13.Be5 Be5 14.d4+/–) 13.Be5 Re5 14.c4 dc4 (14...Re6 15.d4+=) 15.d4= Re8 16.Bc4 Ne4 (16...b5 17.Be2=) 17.Nf3 (17.Ne4 Be4 (worse is 17...Re4 18.Qf3 g6 19.Bd3+/–) 18.Qb3 Re7+=) 17...Qc7 18.Ne5 Be6 19.Be6 Re6 20.Qc2 Nf6 (20...Nd6 21.f4+=) 21.Rfd1 Rd8 22.Rac1 (22.Rab1 Re7+=) 22...Nd7 23.Nd3 Qd6 24.Qa4 a6 25.Nf4 (25.Qb3 Rb8+=) 25...Rh6 (25...Re7 26.Qb3 Nf6 27.h3=) 26.h3+= Nf6 27.Qb3 Qe7 28.Rc5+/– Ne4?? 29.Re5+– Qd7 30.Re4 c5 31.Re5 Rc6 32.Rd5 Qc7 33.Rd8 Qd8 34.Qb7 Rb6 35.Qd5 Rd6 36.Qc5 g6 37.Rc1 Kg7 38.d5 g5 39.Nh5 Kg6 40.Ng3 Rd5 41.Qc6 Rd6 42.Qe4 f5 43.Qf5 Kg7 44.Rc8 Qe7 45.Nh5 Kh6 46.g4 Rd1 47.Kg2 Qb7 48.e4 Rd6 49.Qf8 (49.Qf8 Kg6 50.Qd6 Kf7 51.Rf8#) 1–0. Szymanski,Leszek (1795) – Krol,Marcin, Wielkopolska III Liga Seniorow Poland, 2012.

10.d3 Qe7 11.Nbd2 Na5 12.Re1 Ng4 13.e4 de4 14.Ne4 Be4 15.de4 Rad8 16.Qc1 Bc5–/+ 17.Rf1 f6 18.Bd3 Qe6 19.Qd2 Nc4 20.Qc3 Nb2 21.Qc5 Nd3 22.cd3 Rd3 23.Qa7 Qd6 24.Qa4 Rd8 25.h3 Rf3 26.Qc4 Kh8 27.hg4 Rd3 28.Qb4 b6 29.Qd6 R8d6 30.a4 Kg8 31.a5 ba5 32.Ra5 Rc3 33.Rb1 Kf7 34.Rd5 Rd5–/+ 35.ed5 Rc5 36.d6 cd6 37.Rb7 Kg6 38.Rd7 Rd5 39.Kf1= Rd4 40.f3 Rd2 41.g3 Kh6 42.Ke1 Rd5 43.Ke2 Kg6 44.f4 Rd4 45.Ke3 Rd1 46.Ke2 Rd5 47.Ke3 h6 48.f5 Kh7=+ 49.Rd8 Rd1 50.Ke4 Rd2 51.Rd7 Kg8 52.Ke3 Rd5 53.Ke4 Rd1 54.Rd8 Kf7 55.Rd7 Kg8 56.Rd8 Kf7 57.Rd7 Kf8 58.Ke3 Kg8 59.Rd8 Kf7 60.Rd7 Kf8 61.Ke4 Rd2 62.Ke3 Rd5 63.Ke4 Rd1 64.Ke3 d5 65.Rb7 Rg1 66.Kf2 Ra1 67.Rd7 Ra5 68.Ke1 Ra1 69.Kf2= Ra5 70.Ke1=+ Kg8 71.Kd2 Ra4 72.Rd5 Rg4 73.Rd3 Re4 74.Rd8 Kh7 75.Rd3 h5–+ 76.Rd5 Re5 77.Rd4 Rf5 78.g4 hg4 79.Rg4 Rd5 80.Ke2 g5 81.Ra4 f5 82.Ra6 Rc5 83.Kf2 Rc2 84.Kf3 Rc3 85.Kf2 f4 86.Rf6 Rd3 87.Rf8 Kg7 88.Rf5 Kg6 89.Rf8 Kh5 90.Ke2 Rc3 91.Rf7 g4 92.Rf4 Kh4 93.Rf1 Kh3 94.Rf8 g3 95.Kd2 Rc5 96.Ke3 Kh2 97.Rg8 g2 98.Rh8 Kg1 99.Rg8 Rh5 100.Kf3 Rh2 101.Ke4 Kh1 (101...Kh1 102.Rg7 g1Q 103.Rg1 Kg1–+) 0–1. Pierred (2210) – Abs1_deep junior (2460), Rated game, 3m + 0s, 2005.

10.d3 Qe7 11.Nbd2 Be6 =.

10.d3 Qe7 11.Re1 a6 12.Nbd2 =+.

10.d3 Qe7 11.Re1 Rad8 12.Nbd2 Ng4 13.Rb1 a5 14.Bf1 Ba3 15.Ba3 Qa3 16.Rb7 Qe7 17.Qa1 Rb8 18.Reb1 Rb7= 19.Rb7 Ra8 20.c4 dc4 21.Nc4 Bc8 22.Rb3 ½–½. marekt – moosedude, ChessWorld.net, 2004.

10.d4 Nb8 11.c4 c6 12.Qb3 b6 13.Nbd2 Nbd7 14.a4 Rc8 15.Ba3 Bb8 16.Rfc1 Be4 17.c5 h6 18.Ba6 Rc7 19.cb6 ab6 20.Bd6 Ra7= 21.Bb8 Qb8 22.Bd3 c5 23.Bb5 (< 23.Ne4 de4 24.Bc4 ef3 25.Bf7 Kh8 26.Be8 Qe8 (< 26...Ne8 27.dc5 Qd8 28.cb6 Nb6 29.Qd1+/–) 27.dc5 bc5 28.gf3 Ne5=+). Alvarez,Aroa – Matos,Edwin, Lima op U16, 2000.

10.g3 Qd7 11.c4 (11.Bf6 gf6 12.Nc3 Bf8=) 11...Be4 (11...Be7 12.Bf6 Bf6 13.d4+=) 12.Nc3 (better is 12.Bf6!? gf6 13.d3 Bf3 14.Bf3 dc4 15.dc4+=) 12...Bf3+= 13.Bf3 dc4 14.d3 cd3 15.Qd3 Ne5 16.Qb5?? (better is 16.Qe2 Nf3 17.Qf3–/+) 16...Nf3 17.Kg2 Qb5 (17...Nh4 18.Kh1 Qh3 19.Qe8 Re8 20.Rg1 Ng4 21.gh4 Nf2) 18.Nb5 Ne5 19.Nd6 cd6 20.Rfd1 Nc4 (20...Ne4 21.Be5 de5 22.Rac1–+) 21.Bf6 gf6 22.Rac1 Rac8 23.a4 Kf8 24.Rc3 Nb6 25.Rc8 Rc8 26.Rd6 Ke7 (26...Na4 27.Rf6 Nc5 28.Rh6–+) 27.Rd4 Rc4 28.Rc4 Nc4 29.Kf3 a6 30.Kf4 b5 (30...a5!? 31.Ke4–+) 31.ab5 ab5 32.Ke4 b4 33.Kd4 b3 34.Kc3 b2 35.Kc2 Kd6 36.h4 (36.h3–+) 36...Kc5 37.e4 (37.f3 Kb4 38.e4 Ka3–+) 37...Kd4 (better is 37...Kb4 38.f3 Ka3–+) 38.f3 Ke3 0–1. Neumann,Frank (1650) – Horatschek,Peter (1810), RSS7E easy–53, 2007.

10.g3 Qe7 11.Bf6 Qf6 12.Nc3 +=.

9.c4 dc4

10.Bc4 Na5 11.Bb5 c6 12.Be2 Nd5 13.Na3 Bd6=+ 14.Nd4 Be4 15.Nf3 Qc7=+ 16.h3 Rad8 17.Re1 Ba3–/+ 18.Ba3 Nc3 19.Qc1 Ne2 20.Re2 Bf3 21.gf3 Rd5 22.f4 Qd7 23.Kh2 Rh5 24.Qf1 Re6 25.e4 Nc4 26.f5 Reh6 27.Re3 Ne3 (27...Ne3 28.de3 Qc7 29.Kg2 Rh3–+) 0–1. Registration (2380) – SLAB (2390), ICC, 2003.

10.Bc4 Na5 11.Be2 a6 12.d3 Nd5 13.a3 Bd6 14.Nbd2 Qe7 15.Re1 Nb6 16.e4 Bd7 17.e5 Bc5 18.d4 Na4 19.dc5 Nb2 20.Qc2 Na4 21.Rac1 b5 22.cb6 cb6 23.Ne4 Rac8 24.Qb1 Rc1 25.Qc1 Rc8 26.Qe3 Nc4 27.Bc4 Rc4 28.Qd3 b5 29.Neg5 g6 30.Ne4 Bc6 31.Nf6 Kg7 32.Nd2 Rc3 33.Qd4 h6 34.h3 a5 35.Nde4 Rc4 36.Qa1 b4 37.Nd6 Rc3 38.ab4 ab4 39.Qd1 Rc5 40.f4 Qa7 41.Kh2 Nc3?? 42.Nde8+– Be8 43.Qd8 Nd5 44.Qe8 Ne7 45.e6 fe6 46.Re6 (46.Re6 Rc7 47.Nd5+–) 1–0. miehnekort – fourier00transformer, Yahoo, 2005.

10.Bc4 Na5 11.Be2 c6 12.Na3 Nd5 13.Nc2 Bd6 14.Ncd4 Bg6 15.a3 Qb6 16.Ra2 f6 17.Ba1 Rab8 18.d3 Bf7 19.Rd2 (better is 19.Rb2!? Qc5 20.a4+=) 19...Ba3–/+ 20.g3 Rbd8 21.Qa4 Bc5 22.e4 Ne7 23.Rb2 Qc7 (worse is 23...Bd4 24.Rb6 Bb6 25.Rb1=) 24.Rc2 b5 25.Nb5 cb5 26.Qb5 Bf2! 27.Rf2 (27.Rf2 Qc2 Discovered attack; 27.Kf2 Qc2 Discovered attack) 27...Qc2 28.Qa5 Nc6 (28...Rd3?! 29.Bd3 Qd3 30.e5–/+) 29.Qa3 a5 30.Bf1 Qd1 31.Kg2 Rb8 32.Nd4 Rb1 33.Nc6 Ra1 34.Ne7 Kh8 35.Qd6 Ra2 36.Ra2 Ba2 37.Qd7 Qc2 38.Kh3 Bf7 39.Nf5 Kg8 40.g4 Qd1 41.Bg2 a4 42.Ne7 (42.Qd6–+) 42...Re7! (42...Re7 43.Qd6 h5–+) 0–1. onny555 (1840) – sonico65 (1955), gameknot.com, 2012.

10.Bc4 Na5!? 11.Be2 Bd6 +=.

10.Bc4 a6 11.a3 Bd6 12.d4 Na5 13.Ba2 c6 14.Nbd2 Qb6 15.Bc3 Nd5 (15...Ba3?? 16.Bf7 Kf7 17.Ra3+–) 16.Ba5 Qa5 17.Nc4 Qc7 18.Nd6 Qd6 19.Qb3 b5 20.Rfc1 Be4 21.Ng5 Bg6 22.Rc5 Rac8 23.Rac1 h6 (23...Qd7!?+=) 24.Nf3+/– Rc7 25.Ne5 Rec8 26.Qd1 Nb6 (26...Bf5!?+/–) 27.Qg4+– Kh7 28.h4 Qf6 29.h5 Bf5 30.Qf3 Na4 31.Rc6 Rc6 32.Rc6 Rc6 33.Qc6 Qc6 34.Nc6 f6 35.Ne7 Bd3 36.f3 g6 37.hg6 Bg6 38.Bb3 Nb6 39.e4 Be8 40.Kf2 h5 41.d5 Kg7 42.Nf5 Kf8 43.Ke3 Bg6 44.Nh4 Bh7 45.Kd4 Nd7 46.Bd1 Ne5 47.f4 Nc4 48.e5 Na3 49.ef6 Kf7 50.Bh5 Kf6 51.g4 Nc2 52.Kc5 b4 53.g5 Ke7 54.f5 b3 55.f6 Kd7 56.f7 Ke7 57.d6 (57.d6 Kf8 58.d7 Ke7 59.f8Q Kf8 60.d8Q Kg7 61.Qf6 Kg8 62.Bf7 Kf8 63.Bb3 Ke8 64.Ba4) 1–0. aspasio – bigart, net–chess.com, 2013.

10.Bc4 a6 11.a3 Bd6 12.d4 b5 13.Ba2 h6 14.Nbd2 Qd7 15.Rc1 Rab8 16.Nh4 Bd3 17.Re1 b4 18.d5 Ne5 19.Nhf3 Bg6 20.Be5 Be5 21.Ne5 Re5 22.ab4 Rb4 (worse is 22...Nd5 23.Nf3 Rh5 24.e4+/–) 23.Rc5 Rg5 (23...Nd5? 24.Nf3 Rh5 25.Rd5 (25.Bd5?! Qd6 26.Ra5 Kf8+/–) 25...Rd5 26.Qd5 Qd5 27.Bd5+–) 24.Bc4 Ne4 25.Ne4 Rg2 26.Kg2 Be4 27.f3 Qg4 28.Kf1 Qh3 29.Kg1 Rb2 (29...Rb2 30.Qe2 Re2 31.Be2 Bf3 32.Bf3 Qf3–+) 0–1. Fels,Bernhard (2015) – Martucci,Massimo (2015), BI–2010–F–00009, 2011.

10.Bc4 Bb1 11.Rb1+= Ne4 12.d3 Nc5 13.d4 Ne4 14.d5 Na5 15.Qd4 Bf8 16.Bd3 Nc5 17.Bc2 b6 18.Rfd1 Qe7 19.Nh4 Rad8?? (better is 19...Qg5+/–) 20.Nf5+– Qf6 21.Qg4 (21.Qf6?! gf6 22.Bf6 Rb8+–) 21...Qg6 22.Ne7!! Re7 (22...Re7 23.Bg6 Discovered attack; 22...Be7 23.Bg6 Discovered attack) 23.Bg6 hg6 24.Qf4 1–0. Traczyk,Pawel (1780) – Pacan_Milej,Kosma, Warszawa Poland, City Ch–B, 2013.

10.Bc4 Bd3 11.Qb3 Bc4 12.Qc4 Qd5 13.Qc1 Rad8 14.Nc3 Qh5 15.d4= Ne4 16.Qc2 Bc3 17.Bc3 Rd6 18.Ne5 Rh6 19.h3=+ Nc3 20.Qc3 Ne5 21.de5 Qe5 22.Qd3 Rd6–/+ 23.Qe2 Red8 24.Rab1 Rb6 25.Qf3 c6 26.Rbd1 Rd1 27.Rd1 g6 28.Qg4 Kg7 29.h4 Rb2 30.h5? Ra2–+ 31.g3 Qf6 32.Rf1 b5 33.f4 Qb2 34.Qh3 f5 35.e4 Qd4 36.Kh1 Qe4 37.Kg1 Qe3 38.Kh1 b4 39.Rg1 Qf3 40.Rg2 b3 41.Kh2 Rg2 (41...Rg2 42.Qg2 Qh5 43.Kg1 Qd1 44.Kh2 Qc2–+) 0–1. Goodwin,W – Grefe,John A, Cherry Tree op, 1973.

10.Bc4 Bd3 11.Bd3 Qd3 12.Nc3 Ne4 13.Ne4= Re4 14.Qb3 Qb3 15.ab3 Rd8 16.d4 f5 17.Rfd1 f4 18.Ng5 Re7? 19.Rd3?? fe3 20.fe3 Ne5 21.Rdd1 Red7 22.Ra7+– c5 23.Rf1 Nc6= 24.Ra4 cd4 25.Ne6?? Re8 26.Nd4= Bc5 27.Nc6 Be3=+ 28.Kh1 bc6 29.Rg4 Bh6 30.h3 Rd3 31.b4 Rf8 32.Re1 Rb3 33.Bc1 Rb1 34.Rc4 Bc1 35.Rec1 Rc1 36.Rc1 Rb8 37.Rc6 Rb4 38.Rc7 h5 39.Kh2 Kh7 40.Kg3 h4 41.Kf3 Kh6 42.Rc6 g6 43.Rc3 Kg5 44.Rc5 Kh6 45.Rc3 Kg5 46.Re3 Kf5 47.Rc3 Rb5 48.Rd3 g5 49.Re3 Ra5 50.Rc3 Re5 51.Rd3 Rc5 52.Rb3 Ra5 53.Rc3 Ra1 54.Rd3 Rf1 55.Ke2 Rf4 56.Ke3 (56.Ke3 Kg6 57.Rd8=+). revbodio – Tahl5, Live Game Caissa's Web, 2005.

10.Bc4 Bd3 11.Bd3 Qd3 12.Bf6 gf6 13.Qb3 (13.Nc3 A) 13...Rad8 14.Qb3 (14.Rc1 a5 15.Qa4 Re6 16.a3 Be7 17.Rb1) 14...a6 15.Rac1 b6 16.Rfe1 Kg7 17.h3; B) 13...Rab8 14.Rc1 (14.Qb3 Red8 15.Rfc1 Kg7 16.Rab1 a6 17.h3) 14...Red8 15.Qa4 a6 16.e4 Bd6 17.Qd1; C) 13...Bc3 14.dc3 (14.Qb3 Na5 15.Qc3 Qc3 16.dc3 c5 17.Rfd1) 14...Qc3= 15.Rc1 Qa5 16.Nd4 Nd4 17.Qd4; 13.a3 Ba5 (13...Bd6 14.Nc3 Rab8 15.Qb1 Qb1 16.Rfb1 Ne5 17.Nb5) 14.Nc3 (14.a4 Bb4 15.Nc3 Rad8 16.Rc1 f5 17.g3) 14...Bc3 15.Qb3 Na5 16.Qc3 Qc3 17.dc3) 13...Rad8 (13...Qb3 14.ab3 Kg7 15.Rc1= (15.d4 Ne7 16.Nbd2 Nd5 17.g3) 15...Na5 16.Rc7 Nb3 17.Ra2) 14.Qb2 (14.Nc3 b6= (14...Re6 15.Rfc1 b6 16.Qa4 a5 17.Ne2) 15.Rfc1 Re6 16.Rab1 a6 17.Rb2) 14...Rd6 (14...Rd5 15.Rc1 (15.Qf6 Rc5 16.Nc3 Bc3 17.dc3) 15...Rb5 16.a4+= Rb6 17.Qf6; 14...f5 15.Rc1 Re6 16.a3 Ba5 17.Nc3) 15.Rc1 1–0. Bonetti,Shane – Rubenstein (1980), ICC, 2002.

10.Bc4 Qd6 11.a3 Bc5 12.Nc3 a6 13.d4 Ba7 14.Re1 Rad8 15.Qb3 Bg6 16.Ne5!+/– Re7? 17.Qb7+– Nd4 18.Ng6 hg6 19.Qa7 Ng4 20.f4 Ne3 21.Re3 Re3 22.Nd5 Ne2 23.Kf2 Re4 24.Be5 Qd7? 25.Rd1?? Rc4+/– 26.Ne3 Nf4?? 27.Rd7+– (27.Rd7 Rd7 28.Nc4+–; 27.Nc4? Qd1 28.Bf4 Qd4 29.Qd4 Rd4 30.Bc7 Rc4–+) 1–0. Franek,Mieczyslaw – Sternik,Ryszard, corr Poland, 1978.

10.Bc4 Ne4 11.a3 Ba5 12.d4 Nd6 13.Bd3 Qd7 14.d5 Ne7 15.Ne5 Qc8 16.Nc4 Bb6 17.Nd6 cd6 18.e4 Bd7 19.Nd2 Ng6 20.Rc1 Qd8 21.Nc4 Bc5 22.Kh1 Qg5 23.e5 (better is 23.f4!? Nf4 24.Qd2=) 23...Nf4–/+ (worse is 23...de5 24.Bg6 hg6 25.Ne5+/–) 24.Be4 Bg4 (better is 24...de5!? 25.g3 Nh3+=) 25.Bf3= Bf5 26.Nd6 Bd3?? (better is 26...Bd6 27.ed6 Nd3=) 27.Rc5 Be2 28.Qe2! Ne2 29.Ne8 (29.Be2?! Qd2 30.Bb5 Qb2 31.Ne8 Qe5+–) 29...Re8 30.Be2 Qd2 31.Bb5 Rd8 32.Bc3 Qa2 33.Bb4 (better is 33.e6 Qa3 34.Rc7 a6+–) 33…g6 ½–½. Bajorski,Leszek (1795) – Zeidler,Andre, Main Vogelsberg op 4th, 2009.

10.Bc4 Be6 11.Be6 Re6 12.a3 Ba5 13.Ng5 Re8 14.Qf3 Qe7 15.Bf6 Qf6 16.Qf6 gf6 17.Nh3 Ne5 18.d4 Nd3 19.Rd1 Nb2 20.Rc1 Nd3 21.Rc2 c5 22.dc5 Rac8 23.Nd2 Rc5 24.Rc5 Nc5 25.Rc1 Nd3 26.Rd1 Bd2 27.Rd2 Rc8 28.Kf1 Rc3 29.Ke2 Nc1 30.Kd1 Nd3 31.Ke2 Nc1 32.Kd1 ½–½. Bohnke,H (2005) – da Costa Vinagre,J (1800), OCC–2002–05, 2002.

10.Bc4 Bg4 11.Qb3= Be6 12.Be6+= Re6 13.Ng5+/– Qe7? 14.Ne6 fe6 15.d4 Nd5 16.Nc3 Nc3 17.Bc3 Bc3 18.Qc3 Rf8 19.Rab1 Nd8 20.e4 b6 21.Rbc1 c6 22.Qg3 Qd7 23.Rfd1 Nb7 24.d5 ed5 25.ed5 c5 26.Re1 Nd6 27.Re6 Nf5 28.Qe5 Nd4 29.Re7 Qg4 30.Kf1 Qg6 31.d6 Nc6?? 32.Qd5 Kh8 33.Qc6 Qd3 34.Kg1 Qd2 35.Rf1 (35.Rf1 g6 36.Re8 Qd6 37.Qd6 Re8 38.Qd7+–) 1–0. Oliva,Nicolas (2010) – Bellon,Frederic (1630), FRA–chT3, 2001.

10.Bc4 Bg4 11.Be2 Qe7 12.a3 Ba5 13.Qa4 Rad8 (13...Qd6 14.Rc1 Rab8 15.h3=) 14.d4 (14.Bb5 Bf3 15.gf3 Bb6=) 14...Nd5 15.Kh1 a6 (15...Qf6 16.Qb3+=) 16.Rc1= Ne3 17.fe3 Qe3 18.Ng1 Be2 19.Rc6 Bb5 (19...bc6?! 20.Qa5 Rb8 21.Qc3+=) 20.Qa5 Bc6 (20...bc6?! 21.a4 (worse is 21.Qc7 Qb3 22.Bc1 Rd4–+) 21...Bd3 22.Nd2+=) 21.Qd2 Qe1 22.Bc3 (better is 22.Qe1 Re1 23.Nd2–/+) 22...Qf1–+ 23.a4 (23.Qg5 h6 24.Qg3–+) 23...Ba4! 24.Ra4 Qb1 25.d5 Qf5 (25...Qg6 26.Rd4–+) 26.Qd4 (26.Qb2!?–/+) 26...f6 27.Qh4 (27.Ra5 Qe4 28.Qf2 Rd5–+) 27...Rd5 28.Rg4 Rd1 29.Bf6 (29.Rf4 Qb1 30.Qf2 b5–+) 29...Ree1 (29...Rg1 30.Kg1 Qb1 31.Kf2 Qe1 32.Kf3 Qe3) 30.Rg7–+ Kf8 31.Bd4 Rg1! 32.Bg1 Kg7 33.Qe7 (33.Qg3 Kf6 34.Qc3 Kg6–+) 33...Qf7 34.Qe5 Kf8 35.h3 Qf2 (better is 35...b6–+) 36.Qh8 Ke7 37.Qh7 ½–½. Gimeno Higueras,Roberto (2010) – Jordan Arenas,Manuel (2140), Autonomico Clubs, 2004.

10.Bc4 Qe7

11.Qb3 Na5 12.Bf6 gf6 13.Qa4 Nc4 14.a3 Bd3 15.Qb4 c5 16.Qb3 Bf1 17.Kf1 Ne5 18.Ne5 Qe5 19.Nc3 b6 20.Qd5 Rad8 21.Qe5 Re5 22.Rd1 c4 23.Ke2 Ra5 24.a4 Kg7 25.f4 Rh5 26.h3 f5 27.Nb5 a6 28.Nc7 Rh6 29.Na6 Rg6 30.Kf3 c3 31.Nb4 Rd2 32.Rd2 cd2 33.Ke2 Rg2 34.Kd1 Rh2 35.Nd5 Rh3 36.Kd2 Rh6 37.Ne7 Rd6 38.Ke2 Kf6 39.Nc8 Re6 40.Na7 h5 41.Nb5 h4 42.Nc3 Rc6 43.Nd1 Rc4 44.Kf3 Ra4 45.Nc3 b5 46.Nb5 Ra2 47.Nc3 Rc2 48.Ne2 h3 49.Ng3 h2 50.Nh1 Ke6 51.Kg3 Kd5 52.Kf3 Rc1 53.Kg2 Rh1 54.Kh1 Ke4 55.Kh2 Ke3 56.Kg3 Ke4 0–1. hal1958 – hotty_toaster, playchess.de, 2002.

11.d4 Rad8 12.Nc3 a6 13.a3 Bd6 14.a4 Na5 15.Ba2 Bg4 16.h3 Bh5 17.g4 Bg6 18.Nh4 Be4 19.Ne4 Ne4 20.Nf5 Qd7 21.Nd6 Qd6 22.Kg2 c5=+ 23.Qe1 Nc6 24.Ba3 b6 25.Rb1 Na5 26.f3 Nf6 27.dc5 Qd3 28.Bc1 Nd5 29.e4= Nc3 30.Bg5 Nb1 31.Bb1 Qd4 32.Bd8 Rd8=+ 33.cb6 Nc4 34.Rf2 Qb6 35.Re2 Qb3 36.Ba2 Qa4 37.Qc3 Rc8 38.Bb3+= Qa5 39.Qa5 Na5 40.Bd5 g5 41.Kf2 Rc5 42.Rb2 Nc6 43.Rb7 Ne5 44.Re7 Ng6+= 45.Bf7 (45.Bf7 Kf8 46.Ra7+/–) 1–0. Grott,Peter (1815) – Altenburg,Nils, DESC, 2000.

11.d4 Rad8 12.Nc3 a6 13.a3 Bd6 14.Bd3 Bd3 15.Qd3 Na5 =+.

11.d4 Rad8 12.Nc3 a6 13.a3 Bd6 14.Bd3 Qd7 15.Re1 Bg4 16.h3 Bh5–/+ 17.Be2 b5 18.Bf1 (18.Rc1 Na5=+) ½–½. Grott,Peter (1995) – Hort,Wolfgang, DESC, 2001.

11.d4 Rad8 12.Nc3 Bg4 13.Be2 Ne4 14.Ne4 Qe4 15.Rc1 Qd5 16.Qb3 Qb3 17.ab3 Be6 18.Bc3 Bc3 19.Rc3 a6 20.Ba6!+/– Nd4 21.Nd4 ba6 22.Rc7 Rb8 23.Ra1 Bb3 24.h3 Bd5 25.Ra6 Rb1 26.Kh2 Be4 27.Raa7 Bg6 28.Nc6 Kf8 29.Ne7 Be4 30.Nc8 Bg6 31.Nd6 (31.Nd6 Reb8 32.Nf7+–) 1–0. marekt – knightfly, ChessWorld.net, 2004.

9.c4 Be7

10.a3 dc4 11.Bc4 Na5 12.Ba2 Bd3 13.Ne5= Rf8 14.Re1 b5 15.Bc3 Nc4 16.Nd3 Qd3 17.Bb3 Ne4 18.Bg7?? Kg7=+ 19.Bc2 Qd5 20.d3 Bf6 21.Qg4? Qg5–/+ 22.Qe4 Nd6 23.h4 Ne4 24.hg5–/+ Ba1 25.de4 Rfd8 26.Bb3 c5 27.Bd5 Rac8 28.f4 c4 29.Re2 c3 30.Rc2 a5 31.Kf2 b4 32.a4 Rd5! 33.ed5 b3 (34.Rc1 h6–/+) 0–1. Alexopoulos,Spiros – Becker,Marcel, NRW–chT U18 Germany, 1994.

10.Nc3 d4=+ 11.ed4 Nd4 12.Nd4 Qd4 13.Qb3 Qd2 14.Rfd1 Qc2 15.Qc2 Bc2 16.Rdc1 Bg6 17.Nb5 Bd6 (17...Bc5 18.Re1 Ne4 19.Bd4 Bd4 20.Nd4–+) 18.Nd6 (18.Re1!?–/+) 18...Re2 (< 18...cd6 19.Re1–/+) 19.Bf6 gf6 (19...cd6 20.Bg5–/+) 20.Nb5 c6 21.Nc3 Rc2 22.Nd1 Rc1 23.Rc1 Rd8 24.c5 Rd2 25.Nc3 Rc2 26.Rc2 Bc2 27.Kf1 Kf8 28.Ke2 Bf5 29.Ke3 Ke7 30.Ne2 Kd7 31.Kf4 Bd3 32.Ng3 Ke6–/+ 33.Ke3 Bb1 34.a3 Kd5 35.Nh5 Kc5 36.Nf6 b5 37.h4 a5 38.g4 b4 39.ab4 ab4 40.f4? b3 41.Kd2 Kb4 42.Kc1 Bd3 43.Kb2 c5 44.Nd5 Kb5 45.Kc3 Be2 46.g5 Ka4 47.Kb2 Bf3 48.Nc3 Kb4 49.f5 c4 50.f6 Kc5 51.Kc1 Kd4 52.Kb2 Ke5 53.Nb5? Kf4 54.Nd6 Bd5 55.Kc3 Kg4 0–1. Horvath,I – Gara,Peter, Matrai nyar, Hungary, 1989.

10.d4 a6 =.

10.d4 dc4 11.Bc4 Na5 =.

10.d4 Qd7 11.Nc3 dc4 12.Bc4 Bd6 13.Nb5 Ne4 14.Rc1 Bg4 15.Nd6 cd6 16.d5+= Ne5 17.Ne5+– de5 18.f3 Bh5 19.g4 Bg4 1–0. Katalymov,Boris N – Greifzu,H, WSeniors Bad Liebenzell GER, 1996.

9.d3 a6

10.a3 Bc5 11.Nd4 Nd4=+ 12.ed4 Bd6–/+ 13.Bf3 c6 14.c4 Rc8 15.c5 Bb8 16.a4 Qc7 17.g3 Bh3 18.Bg2 Bg2 19.Kg2 Re6 20.Re1 Rce8 21.Re6 Re6 22.Nd2 Nd7 23.Nf3 Rf6 24.Ne5=+ Nf8 25.Qg4 Ng6 26.Re1 Qa5?? 27.Rf1 Qd2?? 28.Nd7?? Qb2?? 29.Nf6+– gf6 30.Qc8 Kg7 31.Qb8 Qd4 32.h3 Qc5 33.Qb7+/– Ne5 34.Qa6 Qc3 35.Qc8 Qd3 36.h4 Qe4= 37.Kh3 h5 38.a5+/– Qe2 (38...Qe2 39.Kg2 Qe4 40.f3 Qe2 41.Rf2 Qd1+–). stoker – Morrissey, Caissa.com, 2004.

10.a3 Bd6 11.Nbd2 Qe7 12.c4= dc4 13.Nc4 Rad8 14.Qb3 b5 15.Nd6 Qd6 16.e4 Bg4=+ 17.Rac1 Nd7?? 18.Qc3+– Ndb8?? 19.Qg7# 1–0. Pommerel,Wim – Kohlmann,Helmut, CiF, 1989.

10.c3 Bd6 11.Nbd2 b5 12.c4 dc4 13.dc4 b4 14.a3 ba3 15.Ba3 Ba3 16.Ra3 Qd7 17.c5 Qd5 18.Nb3 Be6 19.Qd5 Bd5 20.Nbd4 Nd7 21.Nc6 Bc6 22.Nd4 Be4 23.f3 Bg6 24.Rc1 Nb8+= 25.Kf2 h6 26.c6 Rd8 27.Rb3 Re8 28.Rb7 Re7 29.Rc4 a5+/– 30.Ra4 f6 31.Bc4 Kh7 32.e4 Kh8 33.Bd5 Kh7 34.Nb5 Be8 35.Rc7 Re5 36.f4 Rh5 37.Nd6 Bc6 38.Bc6 Nc6 39.Rc6 Rh2 40.Rc5 Rh4 41.Kf3 Rb8 42.Ra3 Rb1 43.Nf5 Rf1 44.Kg3 Rhf4 45.Ne3 R1f2 46.Nd5 (46.Nd5 g5 47.Rca5+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

10.c3 Bd6 11.Nbd2 Ne5 12.Ne5 Be5 13.Rb1 Qd7 14.f4 Bd6=+ 15.c4 Qe6 16.e4 de4 17.Bf6 ed3 18.Bf3 Qf6 19.Bb7 Rab8 20.Qf3 Bc5 21.Kh1 Qg6 22.Rfe1 Re1 23.Re1 Bb4 24.Be4?? Bd2 25.Bf5 Qf5 26.Rd1 Ba5 27.g4 Qc5 28.Qd3 g6 29.f5 Qc6 30.Kg1 Bb6 31.Kf1 Re8 32.Qd5–+ Qd5 33.Rd5 Re4 34.c5 Ba5 35.h3 Re1 36.Kf2 gf5 37.Rf5 Ra1 38.Rf6 Ra2 39.Kf1 Bb4 40.Rc6 Rc2 41.Ra6 Rc5 42.Ra4 Rc4 43.Ke2 c5 44.Kf3 Rc3 45.Kg2 Ra3 (45...Ra3 46.Ra3 Ba3–+) 0–1. Niephaus,Friedel – Nicola,Ruth, GER–ch op (Women), 1994.

10.Nbd2 b5 11.a4 Qe7 12.Qb1 Qe6 13.Qa2 Bd2 14.Nd2 =.

10.Nbd2 Rc8 11.Rb1 b5 12.Rc1 Be7 13.Nb3 Rb8 14.c4 =.

10.Nbd2 Bd6 11.c4 dc4 12.Nc4 Be7 13.Rc1 Be6 14.Ng5 =.

10.Nbd2 Nd7 11.d4 Bg4 12.c3 Bd6 13.c4 dc4 14.Nc4 Nf6 15.Nd6 Qd6 16.Rc1 Rad8 17.a3 Ne7 18.Ne5 Be2 19.Qe2 c6 20.e4 Nd7 21.Nc4 Qf4 22.f3 Nf8 23.Rfd1 Nfg6 24.Qd2 c5 25.d5 Qd2 26.Rd2 b5+= 27.Na5 c4 28.Nb7 Rd7 29.Nc5 Rd6 30.Bc3 Rc8 31.Bb4 Kh8 32.Kf2 Ng8 33.Ke3+/– Ne5 34.f4 Ng4 35.Kd4 Nh2 36.e5 Rh6 37.d6 Ra8 38.d7 Ne7 39.Nb7 Nc6 40.Kc5 Ng4 41.Re1 Kg8 42.e6! Nd8 43.e7 (43.e7 Rh5 44.Kd4+–) 1–0. Mehlhorn,U – Block,W, BFO–070, 2000.

10.Nbd2 Be6 11.Ng5 Qe7 12.Ne6 Qe6 13.Rb1 Rab8 14.Bf3 =.

10.Nbd2 Be7 11.a4 (11.c4 dc4 12.Nc4 b5=) 11...b6 (11...Qd7 12.c4 Bb4 13.Bf6 dc4 14.Nc4 gf6 15.Nh4=) 12.Rc1 (12.h3 h6=) 12...b5+= 13.ab5 ½–½. Cottarelli,Franco (2070) – Petrelli,Carmelo (2150), WS/M/185 ICCF, 2008.

10.Nbd2 Na5

11.a3 A) 11...Bd6 12.Bc3 c6 13.e4 de4 14.de4+=; B) 11...Be7 12.Nb3 Nb3 13.cb3 Bd6 14.Rc1=.

11.a4 A) 11...Nc6 12.c4 dc4 13.Nc4 Qe7 14.Qc2=; B) 11...Bd6 12.Bc3 Nc6 13.Qb1 b6 14.Qb2=; C) 11...b6 12.Rb1 Bd6 13.Re1 Rb8 14.Bc3=; D) 11...Qe7 12.Rb1 Nc6 13.c3 Bc5 14.c4=; E) 11...Bg4 12.Rb1 Bd6 13.h3 Bd7 14.c4=; F) 11...Bd7 12.c4 dc4 13.Nc4 Nc6 14.Nfe5=; G) 11...Rb8 12.Re1 b6 13.Nd4 Bd7 14.Bf3=+.

11.Qb1 Bd6 12.Bc3 c5 13.Qb2 d4 14.Ba5 =.

11.Nb3 Nb3 12.ab3 c6 13.Nd4 Bd7 14.c4 Qe7 15.Bf3 dc4 16.bc4 Bd6 17.Nb3 Bc7 18.g3 Rab8 19.Re1 Bh3 20.e4 c5 21.Ba3 Nd7 22.d4 b6 23.e5 Bf5 24.Bc6 Qg5 25.f4 Qg6 26.d5 Bg4 27.Qb1 Bf5 28.Qb2 Rbd8 29.Qg2 a5 30.Bb2 Bb8 31.Nd2 Qh5 32.Ne4 Bh3 33.Qf2 h6 34.Bc3 Bf5 35.Ra2 Qg6 36.Qg2 Bc7 37.d6 Bb8 38.Qf3 Bg4 39.Qd3 Bf5 40.Qd1 Be6 41.Qa4 Qg4 42.Rg2 1–0. pierre (2175) – WarrenW (2085), internet, 2008.

11.Qc1 A) 11...Rb8 12.Re1 b5 13.a4 ba4 14.Ra4=; B) 11...b6 12.Re1 Bd6 13.Bc3 Qe7 14.Ba5=; C) 11...Bd6 12.Bc3 c5 13.Qb2 d4 14.Ba5=.

11.Rc1 A) 11...Bd7 12.c4 dc4 13.Nc4 Nc4 14.dc4=; B) 11...Rb8 12.c4 dc4 13.Nc4 Nc4 14.Rc4=; C) 11...b6 12.c4 c5 13.Bf6 Qf6 14.cd5=; D) 11...Bc5 12.c4 dc4 13.Nc4 Nc4 14.Rc4=; E) 11...Rc8 12.c4 dc4 13.Nc4 Nc4 14.Rc4=; F) 11...Be7 12.Nd4 Bc8 13.Bf3 Rb8 14.c4=; G) 11...Bd6 12.c4 dc4 13.dc4 Qe7 14.Nd4=.

11.Nd4 A) 11...Bc8 12.Bf3 Bd6 13.c4 dc4 14.dc4=; B) 11...Bd7 12.Rb1 Bd6 13.c4 dc4 14.dc4=; 11.Rb1 Bd6 12.Nd4 Bd7 13.c4 dc4 14.dc4=.

11.Re1 A) 11...Be7 12.Nd4 Bd7 13.Bf3 c5 14.N4b3=; B) 11...b5 12.a4 Qe7 13.ab5 ab5 14.Nd4=; C) 11...b6 12.Rb1 Qd6 13.Nd4 Bd7 14.c3=; D) 11...Rb8 12.Nd4 Bd7 13.Bf3 Bd6 14.N2b3=; E) 11...Qd6 12.Nd4 Bd7 13.a3 Bc5 14.N4b3=; F) 11...Rc8 12.Rb1 Nc6 13.a3 Bd6 14.c4=; G) 11...Bd6 12.Nd4 Bd7 13.c4 dc4 14.dc4=.

10.Nbd2 Ra7

11.a3 A) 11...Bd6 12.c4 Ne5 13.Ne5 Be5 14.Be5=; B) 11...Be7 12.Rb1 Bc5 13.Nb3 Bd6 14.a4=; C) 11...Bf8 12.Rc1 b5 13.Nb3 Bd6 14.c4=; D) 11...Bc5 12.Rb1 Qe7 13.a4 Ng4 14.Nd4=.

11.a4 A) 11...Qe7 12.Ra2 Bd6 13.Qa1 Ng4 14.h3=; B) 11...Bd6 12.c4 dc4 13.Nc4 Be7 14.Rb1=; C) 11...Ra8 12.c4 dc4 13.Nc4 Rb8 14.Qc2=; D) 11...Bg4 12.c4 Be6 13.Ng5 Bd2 14.Qd2=; E) 11...Bd7 12.Rb1 Bd6 13.c4 Be6 14.cd5=; F) 11...Bc8 12.c4 dc4 13.Nc4 Be6 14.Qc2=; G) 11...b6 12.c4 dc4 13.Nc4 Rb7 14.Nfe5=.

11.Rb1 A) 11...Be7 12.a4 Bd6 13.c4 Be6 14.cd5=; B) 11...Bc5 12.Re1 Qe7 13.c4 Ng4 14.Nd4=; C) 11...Bd6 12.c4 Ne5 13.Ne5 Be5 14.Be5=; D) 11...b6 12.c4 dc4 13.Nc4 b5 14.Nce5=; E) 11...Bg4 12.h3 Bd7 13.a3 Bc5 14.c4=; F) 11...Qe7 12.Re1 Bd6 13.e4 de4 14.de4=.

11.Nb3 A) 11...Bd6 12.Qd2 Qe7 13.Rfb1 Bg4 14.Nfd4=; B) 11...b6 12.Rc1 Qd6 13.c4 dc4 14.Rc4=; C) 11...Bd7 12.c4 dc4 13.dc4 Ne4 14.Qd3=; D) 11...Qe7 12.a4 b6 13.Ra2 Bd6 14.a5=.

11.Qc1 A) 11...Qe7 12.Rb1 Be6 13.a3 Bd2 14.Qd2=; B) 11...Bd6 12.a3 Qe7 13.c4 Be6 14.cd5=; C) 11...Be6 12.Rb1 Qe7 13.a3 Bd2 14.Qd2=; D) 11...Be7 12.Rd1 Bd6 13.c4 dc4 14.Nc4=.

11.Rc1 A) 11...Qe7 12.c4 Ba3 13.Ba3 Qa3 14.cd5=; B) 11...Be6 12.Ng5 Bd7 13.c4 dc4 14.Nc4=; C) 11...Be7 12.c4 dc4 13.Nc4 Be6 14.Nce5=; D) 11...Qd6 12.c4 Ba3 13.Ba3 Qa3 14.cd5=.

11.c3 A) 11...Be7 12.Qb1 Be6 13.c4 dc4 14.dc4=; B) 11...Bd6 12.c4 Ne5 13.Ne5 Be5 14.Be5=; C) 11...Bc5 12.Rb1 Qe7 13.Re1 b5 14.Nb3=.

11.Re1 Be7 12.a3 Qd6 13.c4 Be6 14.Rc1 =.

11.h3 A) 11...Bc5 12.Rb1 Qe7 13.Re1 Bd6 14.c4=; B) 11...Bd6 12.Rb1 Qe7 13.c4 Be6 14.Ng5=; C) 11...b6 12.Rb1 Qe7 13.c3 Bd6 14.c4=; D) 11...Be6 12.Ng5 Qe7 13.Ne6 Qe6 14.Rb1=; E) 11...Qe7 12.Re1 Be6 13.a3 Bd6 14.c4=.

10.Nbd2 b6

11.a3 Bc5 12.c4 dc4 13.Nc4 b5 14.Ncd2 =.

11.Rb1 A) 11...Qe7 12.c4 dc4 13.Nc4 Nd5 14.e4=; B) 11...Bc5 12.c4 dc4 13.Nc4 b5 14.Nce5=; C) 11...Be7 12.c4 dc4 13.Nc4 Rb8 14.Nfe5=; D) 11...Bf8 12.Re1 Bd6 13.c4 dc4 14.Nc4=; E) 11...b5 12.Ra1 Qe7 13.a4 Bd6 14.ab5=.

11.Nb3 A) 11...Qe7 12.Rb1 Bd6 13.Qd2 Nb4 14.Nc1=; B) 11...Bg4 12.Rc1 Be6 13.Ng5 Bd7 14.Bh5=; C) 11...Rb8 12.Rc1 Bd6 13.c4 Bd7 14.Nbd2=; D) 11...Be7 12.Re1 Qd7 13.a3 Rad8 14.Rb1=; E) 11...Bd7 12.Rc1 Bd6 13.c4 dc4 14.Rc4=; F) 11...Rc8 12.Rc1 Qd6 13.a3 Ba3 14.Ba3=; G) 11...Bd6 12.Rb1 Qe7 13.Re1 Nb4 14.Nbd4=+.

11.Qc1 A) 11...Be6 12.c4 dc4 13.Nc4 b5 14.Ncd2=; B) 11...Bc5 12.a3 Qe7 13.Nb3 Bd6 14.c4=; C) 11...Be7 12.Re1 Bd6 13.c4 dc4 14.Nc4=; D) 11...Bg4 12.Rb1 Qe7 13.c3 Bc5 14.c4=; E) 11...Bd6 12.c4 Nb4 13.Qb1 dc4 14.Nc4=.

11.Rc1 A) 11...Bc5 12.Nb3 Bd6 13.c4 dc4 14.Rc4=; B) 11...Be7 12.a3 Bd6 13.c4 Ne5 14.Ne5=; C) 11...Bd6 12.Rb1 Be6 13.c4 b5 14.c5=; D) 11...Be6 12.c4 dc4 13.Nc4 b5 14.Nce5=; E) 11...Bf8 12.c4 Nb4 13.cd5 Nfd5 14.e4–/+.

10.Nbd2 Rb8

11.a3 Be7 12.Rb1 Bc5 13.a4 Qe7 14.Nb3 =.

11.a4 A) 11...Bd6 12.c4 Nb4 13.Qb3 c5 14.Bf6=; B) 11...b6 12.c4 dc4 13.Nc4 Nd5 14.Qc2=; C) 11...Bg4 12.c4 Be6 13.Qc2 dc4 14.dc4=; D) 11...Qd6 12.c3 Ba5 13.Nb3 Bb6 14.a5=; E) 11...Be7 12.Rb1 Nd7 13.Nb3 Bd6 14.Qd2=; F) 11...Qe7 12.Re1 b6 13.Rc1 Be6 14.Ng5=; G) 11...Be6 12.Ng5 Bd7 13.Bh5 Rf8 14.Be2=+.

11.Rb1 A) 11...b5 12.a4 ba4 13.c4 Bd2 14.Nd2=; B) 11...Bc5 12.c4 dc4 13.Nc4 b5 14.Nce5=; C) 11...Qe7 12.Nb3 Ba3 13.Ba3 Qa3 14.Qc1=.

11.Nb3 A) 11...Bd6 12.c4 dc4 13.dc4 Ne4 14.Nbd4=+; B) 11...Bd7 12.c4 dc4 13.dc4 Ne4 14.Qc2=; C) 11...Bg4 12.Nfd4 Be2 13.Qe2 Ne5 14.Rab1=; D) 11...Bc8 12.a3 Be7 13.c4 dc4 14.dc4=; E) 11...Be6 12.Nbd4 Nd4 13.Nd4 Bd7 14.c4=; F) 11...Qe7 12.Rc1 Bd6 13.Rb1 b5 14.Re1=+.

11.Re1 A) 11...Qe7 12.a3 Bd6 13.c4 Be6 14.cd5=; B) 11...Bc5 12.Rc1 b5 13.Nb3 Bb4 14.c3=; C) 11...Be7 12.a3 b5 13.Qc1 Bc5 14.a4=; D) 11...b6 12.a3 Be7 13.c4 dc4 14.dc4=; E) 11...Bf8 12.Qb1 Bd6 13.c4 Be6 14.Rc1=; F) 11...Bd6 12.a4 b6 13.Rb1 Be6 14.c4=.

11.h3 A) 11...b5 12.a4 ba4 13.Ra4 Bd2 14.Bf6=; B) 11...Bc5 12.Rc1 Qe7 13.c4 d4 14.e4=; C) 11...Bd6 12.c4 Be6 13.Ng5 Qe7 14.Ne6=; D) 11...Be6 12.Ng5 Qe7 13.Ne6 Qe6 14.Nf3=; E) 11...b6 12.Rb1 Qd6 13.c3 Ba3 14.Ba3=; F) 11...Qe7 12.a3 Bc5 13.Ra2 Qe6 14.Nh4=.

10.Nbd2 Bc5

11.a3 Qe7 12.Ra2 Rad8 13.Nb3 Bb6 14.Qa1 =.

11.a4 A) 11...b6 12.Nb3 Bd6 13.a5 Qe7 14.Qc1=; B) 11...Be6 12.c4 dc4 13.dc4 b6 14.Nb3=; C) 11...Bd6 12.c4 Nb4 13.Qb3 c5 14.Bf6=; D) 11...Bb4 12.c4 dc4 13.Nc4 Rb8 14.Qc2=; E) 11...Qe7 12.c4 dc4 13.Nc4 Be6 14.Nce5=.

11.Qb1 A) 11...b6 12.Nb3 Bd6 13.Rc1 Be6 14.c4=; B) 11...Rb8 12.c4 dc4 13.Nc4 Qe7 14.Qc1=; C) 11...Be7 12.Re1 Qd6 13.c4 dc4 14.Nc4=; D) 11...b5 12.Nb3 Bd6 13.Qc1 Rb8 14.c4=.

11.Rb1 A) 11...b6 12.c4 dc4 13.Nc4 b5 14.Nce5=; B) 11...Rb8 12.c4 dc4 13.Nc4 b5 14.Nce5=; C) 11...Ra7 12.Re1 Qe7 13.a4 Ng4 14.Nf1=; D) 11...b5 12.Ra1 Bd6 13.a4 b4 14.Rb1=.

11.Nb3 Bb6 12.Rc1 Qe7 13.Re1 Rad8 (13...Ng4 14.Qd2 Rad8 15.a4 Nge5 16.a5 Ba7 17.Ne5 Ne5 18.Qc3=) 14.c4 (14.Rb1 Ng4 15.Qd2 Bd7 16.Qc3 Nf6 17.a4 a5 18.Ra1=) 14...dc4 15.Rc4 Qd6 (15...Be6 16.Rh4 Nd7 17.Qa1 Bd5 18.Rh5=) 16.e4 (16.Nbd4 Nd4 17.Nd4 Bg6 18.Qc1=) 16...Be6 (16...Ng4 17.Rf1 Be6 18.Ra4+= (18.Rc1–/+)) 17.Rc2 (better is 17.e5 Qd7 18.Rc6 Bf2 19.Kf2 Ng4 20.Kg3 Qc6 21.Nfd4 Bb3 22.Nc6 Bd1 A) 23.Bd1?! Rd3 24.Kg4 bc6=; B) 23.Bg4?? Rd3 24.Bf3 Bf3 (24...bc6?! 25.Rd1 Rd1 26.Bd1=) 25.gf3 bc6–+; C) 23.Nd8 Be2 24.Re2 Rd8 25.Kg4 Rd3 26.Rc2+/–) 17...Bb3 (17...Ng4 18.Rf1–/+ –0.87) 18.ab3 Qe6 19.Rc4 Na5 20.Ra4 Qb3 (worse is 20...Nb3 21.Ng5 Bf2 22.Kf2 Qb6 23.Kf1+=) 21.Qa1 Qe6 22.Ra5 Ba5 23.Qa5 c6 24.Ng5 Qe7 25.Qf5 h6 26.Bf6 Qf6 27.Qf6 gf6 28.Nf3 c5 29.Rc1 Rc8 30.Nh4 Kh7 31.Nf5 Rc7 32.Ne3 Kg6? 33.Nd5+– Rc6 34.Bg4 Rd8? 35.Ne7 Kg5 36.Nc6 bc6 37.Be2 Rb8 38.Rc5 Kg6 39.Rc6 Rb1 40.Bf1 a5 41.Ra6 Ra1 42.g3 a4 43.Kg2 a3 44.Be2 a2 45.Bg4 h5 46.Bd7 Kg7 47.Bb5 Rb1 48.Ra2 Rb5 49.Rd2 f5 50.f3 Kf6 51.d4 Ke6 52.d5 Ke5 53.d6 Rb8 54.Rd5 Ke6 55.Rf5 h4 56.gh4 Rg8 57.Rg5 Rh8 58.Rd5 Rd8 59.f4 Rg8 60.Kf3 f5 61.Rf5 Kd6 62.Rg5 Rh8 63.h5 Ke6 64.Kg4 Kf6 65.Rg6 Kf7 66.Rb6 Re8 67.e5 Rg8 68.Kf5 Rh8 69.Rb7 (69.Rb7 Ke8 70.Rb8 Ke7 71.Rh8 Kd7 72.e6 Kc6 73.e7 Kb6 74.Rb8 Kc6 75.e8Q Kc5 76.Qe4 Kd6 77.Rc8 Kd7 78.Qe6) 1–0. Koper,Konrad (1660) – Wesolowska,Katarzyna (1760), Poznan Poland, 2010.

11.Nb3 Bd6 12.Nbd2 b5 13.a4 ba4 14.c4 =.

11.Rc1 A) 11...b5 12.Nb3 Be7 13.c4 dc4 14.dc4=; B) 11...Qe7 12.Re1 Rad8 13.a4 Bd6 14.c4=.

11.Bc3 A) 11...b6 12.Bb2 Be6 13.Ng5 d4 14.Ne6=+; B) 11...b5 12.Bb2 Bd6 13.c4 dc4 14.dc4=+; C) 11...d4 12.Nb3 dc3 13.Nc5 b6 14.Na4=+.

11.h3 A) 11...Rb8 12.Rc1 Qe7 13.c4 d4 14.e4=; B) 11...b5 12.a4 ba4 13.Ra4 Nb4 14.Nb3=; C) 11...Ra7 12.a4 Be6 13.Nb3 Bb4 14.Rb1=; D) 11...b6 12.c4 dc4 13.Nc4 b5 14.Nfe5=; E) 11...Be6 12.c4 dc4 13.dc4 b6 14.Qb1=; F) 11...Qe7 12.Re1 Ba3 13.Ba3 Qa3 14.Nb3=.

10.Nbd2 Qe7

11.a3 Bc5 12.Ra2 Rad8 13.Nb3 Bb6 14.Qa1 =.

11.Rb1=+ b5 12.Re1 Bc5 13.Nb3 Bd6 14.Qd2 =+.

11.Rb1=+ b6 12.c4 dc4 13.Nc4 Nd5 14.e4 =.

11.Rb1=+ Rab8 12.Nb3 Ba3 13.Ba3 Qa3 14.Qc1 =.

11.Rb1 Rad8 12.Re1 b6 13.c3 =.

11.Rc1 A) 11...Rab8 12.Ra1 Rbd8 13.a3 Bc5 14.Nb3=; B) 11...Be6 12.c4 Rad8 13.Qc2 Bg4 14.cd5=; C) 11...Rad8 12.c3 Bc5 13.d4 Bd6 14.c4=; D) 11...Rac8 12.Re1 Rcd8 13.Rb1 b6 14.c3=.

11.Re1 A) 11...Rad8 12.a3 Bd6 13.c4 dc4 14.Nc4=; B) 11...Rab8 12.a3 Bd6 13.c4 Be6 14.cd5=; C) 11...Be6 12.Ng5 Bd7 13.a3 Bc5 14.d4=; D) 11...Bd6 12.a4 b6 13.c4 dc4 14.Nc4=.

9.d3 Rb8

10.Nbd2 Be6 11.Rb1 Bd6 12.c3 Qe7 13.c4 dc4 14.Nc4 Bc5 15.Qc1 =.

10.Nbd2 Be6 11.Nb3 Qe7 12.Nbd4 Nd4 13.Bd4 a6 14.Qb1 Bc5 15.Bc5 =.

10.Nbd2 Be6 11.Nd4 Nd4 12.Bd4 b6 13.Bf3 Qe7 14.Rb1 Bc5 15.Bc5 =+.

10.Nbd2 Be6 11.Ng5 Qe7 12.Ne6 Qe6 13.Nf3 Bc5 14.Bf6 Qf6 15.d4 =.

10.Nbd2 Qe7 11.a3 Bc5 12.a4 Bd6 13.c4 Be6 14.cd5 Nd5 15.Ne4 =.

10.Nbd2 Qe7 11.Rb1 a6 12.c4 dc4 13.Nc4 Nd5 14.Rc1 Rbd8 15.a3 =.

10.Nbd2 Qe7 11.Re1 Bd6 12.Rb1 Be6 13.c4 dc4 14.Bf6 Qf6 15.Ne4 =.

10.Nbd2 a6

11.a3 Bf8 12.Qc1 Be7 13.c4 dc4 14.Qc4 Bd6 15.Rfc1 =.

11.Rb1 b5 12.a4 ba4 13.c4 Bd2 14.Nd2 dc4 15.Nc4 =.

11.Nb3 Qe7 12.a4 Bd6 13.a5 Bg4 14.Rb1 b6 15.ab6 =+.

11.c3 Bd6 12.c4 dc4 13.Nc4 Be7 14.Rc1 Be6 15.Nce5 =.

11.Re1 Bd6 12.Rb1 Be6 13.Ng5 Bd7 14.c4 dc4 15.Nc4 =.

10.Nbd2 b5

11.a4 ba4 12.Ra4 Bd2 13.Bf6 gf6 14.Qd2 Qd6 15.Rfa1 +/–.

11.a4 ba4 12.Ra4 Bd2 13.Bf6 Qf6 14.Qd2 Rb2 15.Rf4 =.

11.a4 ba4 12.Ra4 Bd2 13.Bf6 Qf6 14.Qd2 Qd6 15.Rf4 Be6 16.Ng5 a5 17.d4 Qa3 18.Bd3 h6 19.Ne6 Re6 20.c4 Nb4 21.Be2 c6 22.Bg4 Re7 23.cd5 Nd5 24.Rf3 Rb2 25.Qc1 Qc3 26.Qa1 Qb4 27.Bf5 Nc3=+ 28.Bd3 Rd2 29.e4 Qd4–+ 30.Ba6 Ne4 31.Qa5 c5 32.h3 Kh7 33.Qa1 c4 34.Qd4 Rd4 35.Re1 Ra7 36.Rf4 Ra6 37.Rfe4 Re4 38.Re4 Rc6 39.Kf1 c3 40.Re1 Kg6 41.Rc1 Kf5 42.Ke2 Ke4 (42...Ke4 43.Rb1 f5–+) 0–1. Baer,Werner – Fritsche,F, O–G2–HF ETC, 2005.

11.Rb1 Qe7 12.Re1 a5 13.Ba1 a4 14.c3 Bd6 15.e4 =.

11.Nb3 Bd6 12.Nfd4 Nd4 13.Bd4 c6 14.a4 a6 15.ab5= ab5 16.Ra6 Qc7 17.g3 Bh3 18.Ra7 Rb7 19.Rb7 Qb7 20.Bf6 Bf1=+ 21.Qf1 gf6 22.Qh3 Kh8 23.d4 Rg8 24.Bd3 Rg7 25.Qf5 Be7 26.h4 Qc7 27.Kg2 Qd8 28.Be2 Bd6 29.Bg4 Rg8 30.Qh5 Qe7=+ 31.Bf5 Rg7 32.Qf3 b4 33.Qe2 Qa7 34.Qd3 Kg8 35.h5 h6 36.g4 Kh8 37.Qd2 Rg8 38.Qe2 Kg7 39.Bd3 Ra8 40.Qf3 Qd7 ½–½. Fekete,Albert – Klemens,Leszek, corr ICCF TT/6/02/final, 2008.

11.c3 Bd6 12.a4 ba4 13.Ba3 Ba3 14.Ra3 Rb2 15.Ra4 Qb8 16.c4 Nb4 17.Qa1 Nd3 18.cd5 Nd5 19.Ra3 Nc5 20.Ra5+/– Rc2 21.Bd1 (21.Bd1 Rd2 22.Nd2+/–) 1–0. Cottarelli,Franco – Klemens,Leszek, corr ICCF TT–6–02–F Sokolski, 2006.

11.c4 bc4 12.dc4 Ne4 13.Ne4 de4 14.Qd8 Red8 15.Nd4 =.

11.c4 dc4 12.dc4 bc4 13.Nc4 Ne4 14.Rc1 Nd2 15.Ncd2 =.

11.Re1 Bc5 12.Qb1 d4 13.Nb3 Bb4 14.Nbd4 Nd4 15.Nd4 =.

11.Re1 Bd6 12.Nb3 a5 13.a4 b4 14.Rc1 Ng4 15.c4 dc4 16.Rc4 Qd7 17.Rc1 Be6 18.Nc5 Bc5 19.Rc5 Rb6 20.Qc2+/– Nf6 21.Bf6 gf6 22.Qb2 f5 23.Rec1 Bd5 24.Nd4 Nd4 25.Qd4 Rc6 26.Rc6 Bc6 27.Qc5 b3 28.Qa5 Rb8 29.Rb1 Ba4 30.d4 Rb6 31.h3 Bb5 32.Bf3 Bd3 33.Rb2 Qb5 34.Qa3 Qb4= 35.Qb4 Rb4 36.Bd5 Bc2= 37.g3 Rb6 38.f3?? c6–+ 39.Bc4 Rb4 40.Bb3 Bb3 41.Kf2 Kg7 42.e4 Kf6 43.g4 fe4 44.fe4 Rb5 45.h4 h6 46.Ke3 Bd1 47.Rf2 Ke6 48.Rf4 f6 49.Kd2 Bb3 50.Rf3 Bc4 51.Ra3 Rb1 52.Rc3 Bb5 53.Ke3 Rh1 54.Kf4 Rh4 55.Kg3 Rh1 56.Kf4 h5 57.gh5 Rh5 58.Rg3 (58.Kg4 Rh1–+) 0–1. pierre – lacus66, ChessWorld.net, 2005.

10.Nbd2 Bc5

11.a3 b5 12.Re1 Bd6 13.Ra2 Ng4 14.Qa1 f6 15.c4 =.

11.a4 Qe7 12.c4 dc4 13.Nc4 Nd5 14.Rc1 a6 15.a5 =.

11.Rb1 Qe7 12.Re1 Bd6 13.c4 dc4 14.Nc4 Bb4 15.Rf1 =.

11.Nb3 Be7 12.Nfd4 Nd4 13.Nd4 Bg6 14.Nf3 Bd6 15.Nh4 =.

11.c4 dc4 12.Nc4 Be6 13.Rc1 Qe7 14.Nfd2 Rbd8 15.Nb3 =.

10.Nbd2 Bd6

11.a4 a5 12.c4 Nb4 13.Qb3 c6 14.Rfc1 dc4 15.Nc4 =.

11.Rb1 a5 12.c4 Nb4 13.Qb3 a4 14.Qa4 dc4 15.Bf6 =.

11.Nb3 a5 12.c4 dc4 13.dc4 b6 14.Nbd4 Nd4 15.Nd4 =.

11.c4 dc4 12.Nc4 Be7 13.Nd4 Nd4 14.Bd4 b6 15.Rb1 =.

11.Re1 Qe7 12.a4 Be6 13.Rb1 a6 14.c4 Bb4 15.Qc2 =.

9.d3 Qd6

10.a3 Ba5 11.Nbd2 Bb6 12.Rb1 =.

10.a3 Ba5 11.Nbd2 Re7 12.c4 Bd2 13.Qd2 (13.Nd2!? is worthy of consideration 13...d4 14.e4+=) 13...dc4= 14.dc4 Qd2 15.Nd2 Ne4 (15...Rd8 16.Nf3=) 16.Nf3 Rd8 17.Rfd1 Red7 18.Rd7 Rd7 19.Rd1 (19.Re1 Bg4=) 19...Rd1+= 20.Bd1 Be6 (20...Na5 21.Be2+=) 21.Bc2= Nd6 22.c5 Nc4 23.Bc1 h6 24.Kf1 N4e5 25.Nd4 Bc4 26.Ke1 Kf8 27.Be4 Nd4 28.ed4 Nd3 29.Bd3 Bd3 30.Bf4 c6 31.Kd2 Be4 32.g3 Ke7 33.Ke3 Bc2 34.h4 Ke6 35.Bd6 h5 36.Bf8 g6 37.Kf4 Kd5 38.Bg7 a5 39.Bh8 a4 40.Bf6 Bf5 41.Bg7 Be6 42.Bf6 Kc4 43.Ke5 (43.Ke3 Kb3 44.Kd2 Ka3+=) 43...Kb3 (43...Bd5!? 44.Bg5 Kb3 45.Bc1–+) 44.d5 Bd5 45.Kd4 Ka3 46.Kc3 Ka2 47.Bg5 Bb3 48.Bc1 Kb1 49.Ba3 Ka2 ½–½. Weigel,Hans Juergen (1955) – Mueller,Siegmar (1835), EU–chT Seniors, 2001.

10.a3 Ba5 11.Nbd2 Ng4 12.c4 Bd2 13.Qd2 dc4 14.Qc3 Nce5 15.Ne5 Qe5 (15...Ne5 16.f4 (16.dc4?! Qg6=) 16...Qh6 17.fe5 Bd3 18.Bd3 Qe3 19.Rf2 Qd3 20.Qd3 cd3 21.Rd1+/–) 16.Qe5 Ne5 17.dc4 f6 18.Rfd1 Rad8 19.Bd4 Bc2 20.Rdc1 Bd3 21.Kf1 c5 (21...Be2 22.Ke2 Nc6 23.Bc3=) 22.Be5 (22.Bc5 Be2 23.Ke2 Nd3 24.Ba7 Nc1 25.Rc1 Ra8+=) 22...fe5= 23.Bd3 ½–½. Skerlik,Stanislav (2350) – Leupold,Volker (2315), WS/MN/021 ICCF, 2007.

10.a3 Bc5 =.

10.c3 Ba5 11.Nbd2 Rad8 12.Nb3 =.

10.c3 Ba5 11.Nbd2 Ne5 12.Ne5 Qe5 13.Qa4 Bb6 (13...Bc3? 14.d4 Bd4 15.Bd4+–) 14.d4 (14.Nf3 Qd6=) 14...Qd6 (14...Qe6 15.c4 c6 16.Nf3+=) 15.c4= c6? (better is 15...Bd7 16.Qc2 Qe6=) 16.c5+– Bc5 (16...Qe6 17.cb6 ab6 18.Qb3+–) 17.dc5 Qc5 18.Bf6 gf6 19.Qf4 Bg6 20.Qf6 Re6 (20...Qe7 21.Qf4+–) 21.Qb2 (better is 21.Qf4 Qc3 22.Nf3 Qb2+–) 21...h5?! (21...Qe7+–) 22.Qb7 Rae8 (22...Rd8 23.Qc7 Qe7 24.Qf4+–) 23.Qb2 (23.Qc7 d4 24.Nb3 Qd6 25.Qa7 de3 26.fe3 R8e7+–) 23...Kh7 (23...Qe7 24.Rac1+–) 24.Nf3 f6 (24...Qe7 25.Qc3+–) 25.Nd4 Re4 (25...Qb6 26.Qa3 R6e7 27.Rfc1+–) 26.Bf3 R4e7 27.Rfc1 (27.Rac1 Qd6+–) 27...Qd6 28.Rc6 Qe5 29.Rac1 Rg8 30.Qe2 Be4 (30...Qg5+–) 31.Be4 Qe4 (31...de4 32.R6c5 Rg5 33.Re5 fe5+–) 32.Qh5 Kg7 33.Nf5 Kf8 34.Rf6 Rf7 35.Qf7 1–0. Janek – Murad, internet free game, 2017.

10.c3 Ba5 11.Nbd2 Ne5 12.Ne5 Qe5 13.Nf3 Qd6 14.Qa4 Bb6 15.c4 c6 16.Rad1 Rad8 17.Ba3 Bc5 18.Bc5 Qc5 19.d4 Qe7 20.Rc1 dc4 21.Bc4 (worse is 21.Rc4 b5 22.Qa5 bc4 23.Qf5 c3–/+) 21...a6 22.Ne5 Nd5 23.Qd1 Be6 24.Nd3 Qg5 25.Qf3 a5 26.Nc5 b6 27.Ne6 Re6 28.a3 Rf6 29.Qg3 Qg3 30.hg3 (worse is 30.fg3 Ne3 31.Rf6 gf6–/+) 30...g6 (30...Re6 31.Rc2+=) 31.Rc2 Kg7 32.Rb1 Rdd6? (better is 32...b5 33.Ba2 h5+=) 33.e4+– ½–½. Sodomski,Andrzej (1930) – Kazmierczuk,Zenon (1955), 55. Championship Poland Quarterfinal, 2008.

10.c3 Ba5 11.Nbd2 Re6 12.Nh4 Ne7 13.Ndf3 c5 14.Ng5+/– Bg6 15.Ng6 Ng6 16.Ne6 fe6 17.g3 e5 18.Qb3 (18.Qb3 Rf8 19.f4+/– (19.Qb7?! Rb8 20.Qa7 Rb2=+); 18.c4 Rf8+–) 1–0. lasker (2095) – almanjo (1620), internet, 2007.

10.c3 Bc5 11.d4 Bb6 12.Nbd2 =.

10.Nbd2 Rad8 11.c3 Bc5=+ 12.d4 Ba3 13.Ba3= Qa3 14.Qb3 Qb3 15.ab3 a6 16.c4 Ne4 17.Ne4 de4 18.Nd2 Bg6 19.Rfb1 ½–½. Betzelt – de Smet, corr ICCF TT–4–90 SF, 1995.

10.Nbd2 Qe6 11.Rb1 =+.

10.Nbd2 Qe7 11.Rb1 =.

10.Nbd2 Ba3

11.Ba3 Qa3 12.Qc1 Qd6 13.d4 Ne4 14.c4 Ne7 15.cd5 Nd5 16.Ne4 Be4 17.Nd2 c6 18.Ne4 Re4 19.Rb1 b6 20.Qc2 Rh4 21.h3 Rh6 22.Rfc1 Rd8 23.Bf3 Rg6 24.a4 Nb4 25.Qc4 a5= 26.Be4 Re6 27.Bc6 Rc8 28.d5+= Nd5 29.Qd5 Rc6 30.Rc6 Qc6 31.Qd8 ½–½. Woelfelschneider,Peter – Pilz,Erhard, KO–03 TSC, 2002.

11.Ba3 Qa3 12.Re1 Nb4 =.

11.Ba3 Qa3 12.Re1 Rab8 13.Qc1 Qd6 14.c3 b5 15.Qc2 a5 16.a4 ba4 17.Ra4+= Bd7 18.Rea1 Rb6 19.Nb3 Reb8 20.Nfd2 R6b7 21.Na5 Rb2 22.Qc1 Ne5 23.R4a3 Neg4 24.g3 R2b6 25.c4 c5 26.Nab3+– Rc6 27.Ra8 Rbc8 28.R1a5 Ne5 29.cd5 Nd5 30.Rc8 Rc8 31.Rc5 Rc5 32.Qc5 Qc5 33.Nc5 Nc3 34.Bf1 Bf5 35.d4 Nd7 36.Ndb3 Kf8 37.f3 Ke7 38.Kf2 Kd6 39.Bc4 Be6 40.Be6 fe6 41.Nd7 Kd7 42.Nc5 Ke7 43.f4 Kd6 44.Kf3 Nb1 45.Ke2 Nc3 46.Kd3 Nd1 47.e4 Ke7 48.Kd2 Nf2 49.Ke2 Ng4 50.h3 Nh6 51.Nd3 Ng8 52.g4 h5 53.f5 hg4 54.hg4 ef5 55.gf5 (55.gf5 Kf6 56.Nf4+–) 1–0. marekt – Janota, internet, 2005.

11.Rb1 Rab8 =.

11.Qc1 Bb2 12.Qb2 Rab8 13.a4 (13.Rab1 Qe6=) 13...Bg4 (13...Qe6 14.Rab1=) 14.Rfe1 Bf3 15.Nf3 Ne5 16.Ne5 Re5 17.d4 Ree8 18.c4 c6 19.Rec1 Re7 20.Rab1 Rbe8 21.a5 dc4 22.Rc4 Nd5 23.a6 b5 24.Rc5 b4 25.Bf3 Nc3 26.Rc6 Qd4 27.Rf1 Qh4 28.g3 1–0. Mehlhorn,U – Stoelzel,W, BFO–070, 2000.

9.d3 Qe7

10.a3 Bc5 11.Nbd2 d4 (11...a5!?+=) 12.ed4+= Bd4 13.Bd4 Qe2 14.Qb1 Nd4 15.Re1 Qe1 16.Ne1 Re1? (better is 16...Ne2 17.Kf1 b6+/–) 17.Qe1+– Nc2 18.Qe5 Na1 19.Qf5 Re8 (19...Nc2 20.Nf3 Re8 21.Kf1+–) 20.Kf1 Nc2 21.Nf3 b6 22.d4 Na3 (22...Re4 23.Qc8 Re8 24.Qa6+–) 23.Qd3 1–0. bishop_ben (2150) – hahaha (2015), gameknot.com, 2014.

10.a3 Bc5 11.d4 Bd6 12.c4 dc4 13.Bc4 Na5 14.Bd3 Be4 15.Be4 Ne4 16.Qa4 Nc6 17.Qc2 Qf6 18.Nbd2 Nd2 19.Qd2 Qg6 20.Rfe1 Re4 21.h3 Ne7 22.Ne5 Be5 23.de5 Nf5 24.Kh2 Nh4 25.f3 Rc4 26.Rac1 Rc1 27.Rc1 c6 28.Rd1 Re8 29.Qf2 Qh6 30.f4 (30.f4 Ng6 31.Rd6+/–) 1–0. Subedei – brain boardonly, ChessWorld.net, 2005.

10.a3 Bc5 11.d4 Bd6 12.Nbd2 b6 13.c4 Na5 14.Ne5 Ne4 15.Ne4 Be4 16.f3 Bg6 (< 16...Be5 17.de5 Nc4 18.Bc4 Bf3 19.Qf3 dc4 20.Qg3+/–) 17.cd5 f6 18.f4 Be4 (18...fe5 19.de5 Rad8 20.ed6 Qe3 21.Rf2 cd6 22.Bb5+=) 19.Bf3 fe5 20.fe5 (< 20.Be4 ef4 21.Bf5 Qe3 22.Rf2 Nb3–/+) 20...Qg5 21.Qe2 Bf3 22.Rf3 Be7 23.e4 Qg6 24.Rg3+/– Qh6 25.Bc1 g5 26.Bd2 Rad8 27.Rc1+– Kg7?? 28.Rc7 1–0. Boronka,Joseph – Palmkoeck,William, corr TKM/SF/01, 2001.

10.a3 Bc5 11.Re1 Ng4 12.d4 Bb6 13.Nc3 Rad8 14.Bb5 Qe6 15.Ne2 Qg6 16.Rc1 Re3 17.Nh4?? Qh6 18.Ng3?? Re1 19.Qe1 Qh4 20.h3 Nh6 21.Bc6 bc6 22.Qe5 Qf6 23.Qf6 gf6 24.Nf5 Nf5 25.c3 c5 26.dc5 Bc5 27.Rd1 c6 28.Rd3 Rb8 29.Rd2 Rb3 30.a4 Ba3 31.Ba3 Ra3 32.Rb2 Ra4 33.Rb7 Rc4 34.Rb3 a5 35.Ra3 a4 36.g3 Nd6 37.Ra1 Ne4 38.h4 Nc3 39.h5 Ne4 40.h6 Kf8 41.Rb1 f5 42.Rb8 Ke7 43.Rb7 Kf6 44.Rb8 Kg6 45.Kg2 Kh6 46.Rg8 Rc2 47.Kf3 Rf2 48.Ke3 a3 49.g4 fg4 50.Rg4 a2 51.Rg1 Rb2 52.Ra1 Nc3 53.Rh1 Kg7 (53...Kg7 54.Rg1 Kf6–+) 0–1. Mauron,Regis – Kermadec,Geoffroy (1630), Montigny le Bretonneux op, 2007.

10.a3 Bd6 11.Nbd2 Rad8 12.c4 dc4 13.Nc4 Bc5 14.Qb3 Bb6 15.Nb6 ab6 16.h3 h6 17.Rac1 Rd7 18.e4 Bh7 19.Rfe1 Nh5 20.g3 Nf6 21.Bf1 Red8 22.Re3 Ne8 23.Bg2 Nd6 24.Qc3 f6 ½–½. Pommerel,Wim – Perez Hernandez,Raul Felix, CiF, 1988.

10.Nbd2 a6 11.a3 Bc5 12.d4 Ba7 13.c4 dc4 14.Bc4 Rad8 15.Rc1 Qd7 16.Re1 Be6 17.Qb3 Qc8 18.Be6 Re6 19.Ng5 Re7 20.Nc4 h6 21.Nf3 Re6 22.a4 Qb8 23.Ba3 b5 24.ab5 ab5 25.Nce5 Ne5 26.Ne5 Qb7 27.Re2 Nd7 28.Nf3 Ra6 29.Rec2 c6 30.Nh4 Nf8 31.Nf5 Ng6 32.Qd3 Bb8 33.Bb4 Re8 34.Qd1 Re6 35.h4 Ra4 36.Bc5 Qc7 37.g3 Qd8 38.Qg4 Qf6 39.h5 Nf8 40.Bb6 g6 41.hg6 fg6 42.Nh6 Kg7 43.Qh3 Qg5 44.Ng4 Qh5 45.Qh5 gh5 46.Nh2 Nd7 47.Bd8 Ra6 48.Nf3 Kf8 49.Kg2 Kg8 50.Bh4 Kf8 51.Ne1 Ke8 52.Nd3 Ra3 53.Rc6 (53.Rc6 Rc6 54.Rc6 Rd3 55.Re6 Kf8 56.Re7 Bg3 57.Kg3+– (57.fg3?! Nb6+/–)) 1–0. Woelfelschneider,Peter – Baer,Werner, TT–06.01, 2003.

10.Nbd2 a6 11.a3 Bc5 12.Re1 =+.

10.Nbd2 a6 11.a3 Bd6 12.c4 Ne5 13.Ne5 Be5 14.Be5 Qe5 15.d4 Qe7 16.cd5 Nd5 17.Bf3 Be6 18.Qc2 Rec8 19.Rfc1 Rab8 20.Be4 Nf6 21.Bd3 c5 22.dc5 Rc6 23.Ne4 Nd7 24.Qb1 Bf5 25.Qb4 a5 26.Qd2 Be4 27.Be4 Rc5 28.Rc5 Nc5 29.Bc2 b6 30.Rd1 g6 31.Qd4 b5 32.Rb1 Ne6 33.Qa1 b4 34.ab4 ab4 35.Qb2 Nc5 36.Qd4 b3 37.Bd1 Rb6 38.h3 h6 39.g3 ½–½. marekt – rishi, internet, 2005.

10.Nbd2 Rab8 11.c4 Rbd8 (11...Be6!?+=) 12.Bf6= gf6 13.cd5 Rd5 14.d4 Rdd8 (14...Nd4 15.Nd4 Rd4 16.ed4 Qe2 17.Nf3+=) 15.Bb5 a6 (15...Bd7 16.Bd3+=) 16.Bc6+/– bc6 17.Nb3 (17.Nc4 c5+=) 17...Kh8 (17...c5 18.a3 Bc3 19.Rc1 cd4 20.Nfd4 Bd4 21.Nd4 Qa3 22.Rc7+/–) 18.Qe2 (18.Rc1 Be4+/–) 18...Rg8 (18...c5 19.Qa6 (19.Nc5?! Bc5 20.dc5 Bd3=; 19.dc5?! Bd3 20.Qb2 Bf1 21.Rf1 Rd3=) 19...Be4 20.Nc5 Bc5 21.dc5+=) 19.Ne5?? (better is 19.Rfc1+/–) 19…fe5–+ 0–1. Vroom,Gerard (2140) – Porkolab,Sandor (2140), IECC, 2006.

10.Nbd2 Bc5 11.a3 Ng4 12.d4 Bd6 13.c4 Qe6 14.cd5 Qd5 15.Bc4 Qa5 16.Qb3 Bg6 17.Qb7+/– Ne7 18.Qa6 Qh5 h2 19.h3 Nf6 20.Bd3 Bd3 21.Qd3 Ng6 22.Rfc1 Rab8 23.Rab1 Nh4 24.Nh4 Qh4 25.Qf5 g6 26.Qf3 Rb5 27.Qc6 Rb6 28.Qa4 Reb8 29.Qc2 Nd5 30.Nc4+– Rb3 31.Ba1 Rb1 32.Rb1 Rb1 33.Qb1 Nb6 34.Nd6 cd6 35.d5 Qg5 36.Qb5 Kf8 37.Bd4 1–0. ChelseaMick – brain boardonly, ChessWorld.net, 2005.

10.Nbd2 Ng4 11.Nd4 Ne3!–/+ 12.Nc6 bc6–+ 13.fe3 Qe3 14.Kh1 Qd2 15.Qd2 Bd2 16.Bf3 Rad8 17.Bd4 a5 18.Rab1 Bb4 19.h3 c5 20.Bb2 Bg6 21.c3? Bd3 22.cb4 ab4 23.Rbd1 Bf1 24.Rf1 c6 25.Rc1 Ra8 26.Rc5 Ra2 27.Bd4 Rd2 28.Bg1 Re6 29.Kh2 f5 30.Ra5 b3 31.Ra8 Kf7 32.Rb8 b2 33.Bc5 Re1 34.Rf8 Kg6 35.h4 b1Q 36.h5 Kg5 (36...Kg5 37.Be7 Re7–+) 0–1. Fredek (2090) – Guest585498, Freundschaftspartie, 5m + 0s, 2005.

10.a4 Rad8

11.Nbd2 d4 12.ed4 Qe2.

11.Nbd2 d4 12.Bd4 Rd4.

11.Nbd2 d4 12.Nd4 Nd4–/+ 13.Bd4 Rd4! (13...Rd4 14.ed4 Qe2–/+) 0–1. marekt (2040) – charmedones (1975), gameknot.com, 2014.

11.Nbd2 d4 12.e4 +=.

11.Nbd2 Ng4 12.h3 Ne3 13.fe3+= Qe3 14.Rf2 Bc5 15.d4 Nd4 16.Nd4 Bd4 17.Bd4 Qd4 18.Bd3 Bd3 19.Nf3 Qc3 20.cd3. marekt – nionios, chessworld.net, 2013.

11.Nbd2 Ng4 12.h3 Nge5 13.Ne5 Ne5 14.d4 Ng6 15.c3 Bd6 16.c4 c6 17.cd5 cd5 18.Bg4 Bd3 19.Re1 Nh4 20.g3 h5 (better is 20...f5!? 21.Be2 Be2 22.Re2 Qg5=) 21.Bh5+/– Nf5 22.Nf3 Be4 23.Ne5 Nh6 24.Qe2 g6 25.Bf3 Bf5 (25...Qe6 26.Kg2+/–) 26.Bg2 Kg7 27.g4 Be6 28.e4 f6 (28...Bb4+–) 29.ed5 Bc8 30.Qc2 f5 (30...fe5 31.de5 Bb8 32.d6+–) 31.Re3 Qf6 (31...Qg5 32.Nf3 Qf4 33.Bc1 Re3 34.Be3+–) 32.g5! Qg5 33.Rg3 Qh5 (33...Qe7 34.Ng6 Qf6 35.Ne5 Kh7 36.Re1+–) 34.Rg6 Qg6 35.Ng6 Kg6 36.Qd2 Nf7 37.Ba3 Bb8 38.a5 Kf6 39.h4 Rh8 40.Re1 Rde8 41.Re8 Re8 42.Bc5 1–0. marekt (2115) – festis (1905), gameknot.com, 2015.

11.Nbd2 h6 12.Nb3 (12.Rb1 d4 13.Nd4 Nd4 14.Bd4 Rd4 15.ed4 Bd2 16.Qd2 Qe2 17.Qc3=; 12.Re1 Nd7 13.Rb1 Nb6 14.c3 Bd6 15.Qc2 Qe6 16.Nh4 Bg4 17.e4=; 12.c3 Bd6 13.c4 Nb4 14.Rb1 dc4 15.Nc4 Nd3 16.Bd4 Nb4 17.Nd6–/+) 12...Bg6 (12...Be6 13.Nbd4 Nd4 14.Nd4 c5 15.c3 Ba5 16.Ne6 Qe6 17.Qb3=) 13.a5 (13.Rb1 Nd7 14.Nbd4 Nd4 15.Nd4 c6 16.Bg4 Bd6 17.a5=) 13...Bd6 14.Qc1 (14.a6 b5 15.Nbd2 Nb4 16.Nd4 Rb8 17.c4+=) 14...Ne5 (14...Bf5 15.Qd2 a6 16.Rab1 Bg4 17.Rfe1=) 15.a6 (15.Ne5 Be5 16.Rb1 Bd6 17.c4=) 15...b6 (15...Nf3 16.Bf3 b6 17.Nd4=) 16.Ne5 Be5 17.Be5 Qe5 18.Nd4 Qd6 19.c4 c5 20.Nb5 Qd7 21.Rd1 d4 22.e4 Re7 23.Qf4 Rde8 24.Bf3 Bh5 25.h3 Bf3 26.Qf3 Nh7 27.Qg3 Re6 28.f4 f5 29.e5 Kh8 30.Nd6 Rf8 31.Qf3 g5 32.Qb7 Re7 33.Qd7 Rd7 34.g3 Kg7 35.Rf1 Kg6 36.Rae1 gf4 37.gf4 Nf6 38.Kf2 Ne8 39.Rg1 Kh7 40.Nb5 Nc7 41.Nc7 Rc7 42.h4 Rff7 43.h5 Rg7 44.Ke2 Rc6 45.Kd2 Kg8 46.Kc2 Rcc7 47.Kb3 Kf8 48.Ka4 Rc6 49.Kb5 Re6? 50.Rg7+– Kg7 51.Rg1 Kf7 52.Rg2 Ke7 53.Rg7 (53.Rg7 Kf8 54.Ra7+–) 1–0. Pacuszka,Tomasz (2295) – Zakoscielna,Kinga (2040), Lazy Poland, 2010.

10.Nbd2 Ba3

11.Ba3 Qa3 12.Qb1 b6 =.

11.Qb1 Bb4 12.c4 Rad8 13.a3 Bd2 14.Nd2 dc4 15.Nc4 Nd7 16.Qd1 Nc5 17.d4 a6 18.Rc1 Qg5 19.Ne5 Bh3 20.Ng4 Bg4 21.Bg4 Ne4 22.Bf3 Rd6 23.Qd3 Qh4 24.g3 Qe7 25.Bg2 Rd5 26.Rfd1 h6 27.a4 Qe6 28.f3 Ng5 29.e4 Rd7 30.d5 Qg6 31.Qc2 Na5 32.h4 Nf3 33.Bf3+– b5 34.Kh2 Nc4 35.Bd4 c6 36.h5 Qg5 37.dc6 Rd4 38.Rd4 a5 39.c7 Qe5 40.Rd8 Rd8 41.cd8Q (41.cd8Q Kh7 42.ab5+–) 1–0. Woelfelschneider,Peter (2155) – Allerberger,Julian (2010), RSS5D adv–31, 2006.

11.Qb1 Rab8 12.c4 Bb2 13.Qb2 Nb4 14.cd5 Nd3 15.Qd4 Nb4 16.Rac1 Nbd5 17.Qa7 Ra8 18.Qb7=+ Reb8 19.Qc6 Ra2 20.Qc4 Rbb2 21.Ra1= Nb4 22.Qf4 Be6 23.Ra2 Ra2 24.Rc1 Qd6 25.Qd6 cd6 26.Bc4 Rc2 27.Rc2 Nc2 28.Be6 fe6 29.Nc4 Ne4 30.Nd4 Nd4 31.ed4 Nc3 32.Nd6+= Ne2 33.Kf1 Nd4 34.f4 Nc6 35.Kf2 e5 36.Kf3 ef4 37.Kf4+= Kf8 38.g4 Ke7 39.Nf5 Kf7 40.h4 (40.g5 Nb4+=) ½–½. b4_player – opponent, gamecolony.com, 2008.

11.Qc1 Bb2 12.Qb2 Rab8 13.c4 dc4 14.Nc4 b5 (14...Be6 15.d4=) 15.Ncd2 Nb4 (15...Qd6 16.Rfc1=) 16.d4 Nfd5 (16...a6 17.Rfc1=) 17.a3 (17.Rfc1 a6=) 17...Nc2 18.Rac1 Na3 19.Rc5 Will b5 fall? 19...Nc4 20.Nc4 bc4 21.Qa2 (21.Qa1 Ne3 22.fe3 Qe3 23.Kh1 Qe2 24.Rf5 Rb2+=) 21...Nc3 22.Qc4 Ne2 23.Qe2 Be4 24.Ne5 (24.Rfc1 Rb7+=) 24...Rb6 (24...Rb7 25.Rfc1+/–) 25.Rfc1+/– Rc8 (25...Rb7 26.Qc4+/–) 26.Qc4 Bb7 27.h3 c6 28.Qc2 g6 29.Nc4 Rb5 30.Na5 Rc5 31.Qc5 Qc5 32.Rc5 Ba8 33.g4 Kf8 34.g5 Ke7 35.f4 f5 36.gf6! Kf6 37.Kf2 a6 38.e4 Ke6 39.h4 Kd7 40.h5 Rb8 41.hg6 hg6 42.Nc4 Rb4 43.Ke3 Ke7 44.Ne5 Kf6 45.Nc6 Rb3 46.Ke2 Rb2 47.Kf3 Rb3 48.Kg4 Rb1 49.d5 Rg1 50.Kf3 g5 51.e5 (51.e5 Kf7 52.f5+–) 1–0. Bonetti,Shane (2000) – Arppi,Heikki (2320), corr P03–MDK Malbork Poland, 2006.

11.Qc1 Bb2 12.Qb2 Rab8 13.d4 (13...b5 14.a4= (< 14.Bb5 Nd8–/+); 13.Rfb1 a6=). aschellen (1935) – Kelish (1915), internet, 2006.

11.Qc1 Bc5 =.

11.Qc1 Bd6=+ 12.c4 Nb4 13.Qc3 c5 14.Rfe1 dc4 15.Nc4 Bc7 16.a3= Nbd5 17.Qb3 Nb6 18.Nb6 Bb6 19.a4 Be6 20.Qb5 Nd5 21.a5 Bc7 22.d4 b6 23.Qa4 ba5 24.dc5 Qc5 25.Rac1 Qe7 26.Qa1 f6 27.Nd4 Bf7 28.Bb5 Rec8 29.e4 Nb4 30.Nf5 Qe6 31.Qa4 Bd8 32.Rc8+/– Qc8 33.Rc1 Qb7 34.Bc4 Be7 35.Bf7 Kf7 36.Ba3 Rc8 37.Qb3 (37.Qb3 Kf8 38.Rc8 Qc8 39.Qg8 Kg8 40.Ne7 Kh8 41.Nc8+–) 1–0. Woelfelschneider,Peter – Kuni,Richard, TT–07 ETC, 2003.

10.Nbd2 Rad8

11.a3 Bd6 12.c4 dc4 13.Nc4 Nd5 14.Re1 Bg4 (14...Be6 15.g3+=) 15.Qb3 (15.h3 Be6+=) 15...Nb6 16.Qc3 f6 17.Nd6 Qd6 18.d4 Be6 (18...Qe6 19.Qc1=) 19.Bd3 (19.Qc2 f5+=) 19...Na4+= 20.Qc2 Nb2 21.Qb2 Na5 22.Qc2 g6 23.Qa4 b6 24.Rab1 Re7 25.Rec1 Kg7 26.Qb4 Rf7 (26...Nb7 27.Qd6 Nd6 28.Rb4=) 27.Rc3+= Bg4 28.Nd2 Bc8 29.Rbc1 Bb7 30.Qd6 cd6 (30...Rd6? 31.Rc7 Bc6 32.Rc8+–) 31.Kf1 ½–½. Heard,Andrew H (1945) – Murphy,Conor (1905), The Four Nations Chess League, 2011.

11.a3 Bd6 12.c4 Ne5 13.Be5 Be5 14.d4 Bd6 15.c5 Bc5 16.dc5 Qc5 17.Nd4 Bg6 18.N2f3 Qe7 19.Bd3 c5 20.Nf5 Bf5 21.Bf5 b5 22.Qb3 Qb7 23.Rab1 a6 24.Rfc1 c4 25.Qb4 Qb6 26.Nd4 g6 27.Bh3 Ne4 28.a4 Nc5 29.Rd1 Nd3 30.Rd3 cd3 31.Qc3 f5 32.ab5 ab5 33.Qd3 b4 34.g3 Rc8 35.Qd2 Rc4 36.Bf1 Rcc8 37.Rb4 Qa5 38.Nb3 1–0. UncleBulgaria – craig4000, chessworld.net, 2014.

11.a3 Bd6 12.c4 Ne5 13.Be5 Be5 14.d4 Bf4=.

11.a3 Bd6 12.c4 Ne5 13.Ne5 Be5 14.d4 Bf4 15.Bf3 Bh6 16.cd5 Nd5 17.Re1 Bc8 (17...c6 18.e4 Bd7 19.ed5 Qe1 20.Qe1 Re1 21.Re1 Bd2 22.Re2=) 18.Qb3 (better is 18.Qa4=) 18...Rd6?? (18...Be6 19.Qa4 (worse is 19.Qb7 Rb8 20.Qc6 Rb2+=) 19...a6 20.Qc2=) 19.a4 (better is 19.Bd5 c6 20.Be4+–) 19...Ne3? (better is 19...Rb6 20.Ba3 Rb3 21.Be7 Rb2+=) 20.fe3+– Be3 21.Kh1 (better is 21.Qe3 Qe3 22.Re3 Re3 23.Nc4 Rf3 24.Nd6+– (24.gf3?! Rd8+/–)) 21...Rh6? (21...Re6 22.d5 Bd2 23.de6 Be6 24.Qb7 Be1 25.Re1+–) 22.g3 (better is 22.Nf1!? Rb6 23.Qc3 Qb4 24.Ne3 Qc3 25.Bc3 Rbe6+–) 22...Qg5 (better is 22...Qe6 23.Qe6 Rhe6+/– (23...Ree6? 24.Ne4+–)) 23.Kg2?? (23.Nf1 Rhe6 24.Bd5+– (24.Ne3?! Re3 25.Qc3 h6+–; worse is 24.Re3 Re3 25.Ne3 Re3+/–; 24.Bb7 Rb6 25.Re3 Bb7 26.Kg1 Re3 27.Qe3 Qe3 28.Ne3 Rb2=)) 23...Bh3 (23...Rh2! 24.Kh2 Qh6 25.Bh5 Qh5 26.Kg2 Bh3 27.Kh2 Bf1) 24.Kh1= Qg3 (24...Bc8 25.Nf1 Rhe6 26.Bd5+– (worse is 26.Ne3 Re3 27.Qc3 h6+–; 26.Bb7 Rb6 27.Re3 Bb7 28.Kg1 Re3 29.Qe3 Qe3 30.Ne3 Rb2=)) 25.hg3?? (25.Re2 Qf4 26.d5= (26.Qb7? Rb6 27.Qd5 Rb2–+)) 25...Bg4 ½–½. Krebbers,Wilfried (2115) – Hombrecher,Kai (1940), 8th Goch op, 2007.

11.Rb1 a6 12.a3 Bc5 13.Re1 b5=+ 14.Nb3 Bb6 15.Nbd4 Nd4=+ 16.Nd4 Bd4 17.Bd4 c5 18.Bb2 Qd6 19.Bf3 d4 20.a4 b4 21.a5= Re6 22.ed4 cd4 23.Re6 Be6 24.Qd2 Nd7 25.Re1= Nf8 26.Re4 Qc5 27.Qe2 Bd5 28.Bd4 Qa5 29.Rg4 Ne6 30.Qe5 Kf8 31.Rg7 Nd4 32.Rf7 Kf7 33.Bh5 Kg8 34.Qg5 ½–½. Cottarelli,Franco (2185) – Krueger,Jan, corr ICCF WSTT/3/06/2, 2006.

11.Rb1 b6 12.Ba1 Bc5 13.d4 Bd6 14.Bb5 Bd7 (14...Nb4 15.e4 de4 16.Be8 Qe8 17.Ne5–/+) 15.c4= Nb8 16.Ne5 c6 17.Ba4 Bc7 18.cd5 cd5 19.f4 (19.Nd7 Nbd7 20.Bb5 Qd6=) 19...Qa3 20.Bb3 Bf5 21.Rc1 Qe7 22.Qf3 Exerts pressure on the isolated pawn 22...Ne4 23.Ne4 Be4 24.Qg3 f6 25.Ng4 Bd6 26.Nf2 Ba3 27.Rcd1 (27.Rc3!? Bb4 28.Ne4 Qe4 29.Rc7+=) 27...Nc6+= 28.Bc3 Bf5 (28...a6 29.Rde1+=) 29.Qf3= Be6 30.Rfe1 Qd7 31.f5 Bf7 32.Nd3 Ne7 33.g4 Rc8 34.Ba1 a5 35.Ne5 (35.Bb2!? Bd6 36.a4+=) 35...fe5–/+ 36.de5 a4 37.e6 Be6 38.fe6 Qe6 39.Ba4 Rf8 40.Qg2 (40.Qh3 Bb4 41.Re2 Bc3+=) 40...Bb4 (better is 40...Rc4!? 41.Rd4 Bb4–/+) 41.Re2+= Bc3 (41...Rc4 42.Bd4 Ng6 43.Rf2 Rf2 44.Qf2+=) 42.Bb3 (42.Bc3 Rc3 43.e4 Qc8 44.ed5 Ng6–/+) 42...Ba1 43.Ra1 Rc3 The isolani on e3 becomes a target (43...Kh8 44.Rd1=) 44.e4 Qf6 45.Rd1 (worse is 45.Bd5 Nd5 46.ed5 Qd4 47.Kh1 Rc2+=) 45...Kh8? (better is 45...Qd6+=) 46.Rf2+– (46.ed5?! Ng6 47.Re6 Qg5=; 46.Bd5?! Ng6 47.e5 Qg5+= (47...Ne5? 48.Rf1+–)) 46...Qf2 47.Qf2 Rf2 48.Kf2 Kg8 49.ed5 (worse is 49.Bd5 Nd5 50.ed5 Kf7+/–) 49...Kf8 50.d6 Nc6 51.Rd5 Ke8 52.Rb5 Rd3 53.Rb6 Rd6 54.Ba4 (54.Ba4 Kd7 55.Rb7 Kd8 56.Bc6 Rc6 57.Rg7+–) 1–0. Bach,Matthias (2285) – Bathke,Jorg (2140), Lueneburg GER, 1st Closed IM, 2013.

11.Rb1 Bc5 12.d4 Bd6 13.Re1 Nb4–/+ 14.Rc1 Na2 15.Ra1 Nb4 16.Ra7 Nc2 17.Rf1? Ne3!–+ 18.fe3 Qe3 19.Kh1 Qe2 20.Re1 Qb5 21.Bc3 Bg4 (21...Bg4 22.Qa1 Re1 23.Qe1 Qd3–+) 0–1. de Visser,Arno – Cottarelli,Franco, corr ICCF, 2002.

11.Rb1 Bd2 12.Nd2 (12.Qd2 b6=) 12...b6 13.Re1 Ne5 14.Nf3 Nf3 15.Bf3 c5 16.Qd2 Qd6 17.Qc3 b5 (17...Re7 18.h3=) 18.Qa5+= b4 (18...a6!?+=) 19.Bf6+/– Qf6 20.Qc5 Rc8 21.Qd5 Rc2 22.Rb4 Be6 23.Qb5 Qe7 (23...Rec8 24.a4+–) 24.Rb2 Rb2 25.Qb2 Rd8 26.d4 g6 (26...Qd6 27.d5! Bd7 28.Qd4+–) 27.Rc1 Qd7 28.h3 Qa4 (28...Qd6 29.Rc6 Qf8 30.Rc7+–) 29.a3 h6 30.Qb4 Qb4 31.ab4 Rb8 (31...Rd7 32.Rc5 f6 33.b5+–) 32.Rc7 (32.d5 Bc8+–) 32...Rb4 33.Ra7 (33.d5 Bf5 34.g4 Bd3+–) 33...Rb8 (33...Bc4 34.d5+–) 34.Ra8 (34.d5 Bc8+–) 34...Ra8 35.Ba8 Kg7 36.e4 Kf6 37.f4 Ke7 38.e5 f6 (38...g5 39.d5+–) 39.Kf2 (39.Be4 Bf7+–) 39...fe5 (39...g5 40.d5 Bc8 41.Kf3+–) 40.fe5 (worse is 40.de5 g5+–) 40...Bc8 41.d5 Ke8 42.Ke3 Kd7 (42...g5 43.Ke4+–) 43.Bc6 Ke7 44.h4 (44.d6 Kd8+–) 44...Kf7 45.Kd4 Ke7 46.d6 Ke6 47.Ke4 1–0. Melderis,Uldis (1965) – Aasen,Fredrik, 13th Open Amateur de Calvia, 2016.

11.Rb1 Bg4 12.a3 Ba3 13.Ba3 Qa3 14.Rb7=.

11.Rb1 h6 12.Nd4 Nd4=+ 13.Bd4 c5 14.Ba1 d4–/+ 15.e4 (15.e4 Be6 16.Nb3–/+; 15.Bf3 de3 16.Bf6 Qf6 17.fe3 Qg5–/+). GmLencioni – alishsan, internet, 2006.

11.Nb3 h6 12.a3 Bd6 13.Qd2 a6 14.Rfe1 Ne5 15.Nh4 Bh7 16.g3 c5=+ 17.d4 Nc4–/+ 18.Bc4 dc4–+ 19.Na5 Ne4 20.Qe2 c3 21.Bc1 cd4 22.ed4 Qc7 23.Nc4 Nf6 24.Be3 Bf8 25.Ne5 Nd5 26.Ng2 f6 27.Nf3 Qa5 28.Qd1 Be4 29.Ngh4 Qa4 30.h3 Bc2 31.Qc1 Be4 32.Nh2 Qc4 33.N4f3 b5 34.Rf1 Rc8 35.Ne1 a5 36.Nhf3 b4 (36...b4 37.ab4 ab4–+) 0–1. Larrass,Ingolf – Hill, corr WCCF, 1993.

11.Nb3 h6 12.a3 Bd6 13.Qd2 Bg4=.

11.Nb3 h6 12.a3 Bd6 13.d4 Ne4 (13...a6 14.c4 dc4 15.Bc4+=) 14.Nbd2 (14.c4 dc4 15.Bc4 Qf6+=) 14...g5 (14...Na5 15.Qe1+=) 15.Ne4= de4 (15...Qe4 16.Rc1=) 16.Nd2 g4 (16...Qd7!?=) 17.Bg4 Qh4 18.h3 Bg6 (18...Bg4 19.Qg4 Qg4 20.hg4+/–) 19.Nc4 (19.c4 Qg5+/–) 19...f5 (19...Be7 20.Qe1+/–) 20.Nd6 Rd6 21.g3 (21.Be2 Bf7+/–) 21...Qg5 22.Be2 Bf7 23.h4 (23.c4 f4 24.ef4 Qf6+–) 23...Qg7 (23...Qg6 24.c4+/–) 24.Qe1 (24.Qb1 Qg6+/–) 24...Ne7 (24...f4 25.Kh2+=) 25.Kh2 (25.c4 b6+/–) 25...Kh7 (25...Rb6 26.Bc3+/–) 26.Rg1 (26.c4 b6+/–) 26...Rg8 27.f4 (27.c4!?+/–) 27...ef3 (27...Rb6 28.Bc3+=) 28.Bf3 Rb6 29.Bc3 (29.Bc1 Bd5 30.Bd5 Nd5+=) 29...Bd5 30.Qf2 (30.Bh5 Rc6+=) 30...Bf3= 31.Qf3 Rc6 (better is 31...Qg4 32.Qg4 Rg4+=) 32.e4 (better is 32.Bb4 Rc2 33.Kh1+=) 32...Qg4–/+ 33.Qd3? (better is 33.Qg4 Rg4 34.Bb4 Rc2 35.Rg2 Rg2 36.Kg2 Re4 37.Be7 Re7 38.d5–/+) 33...fe4–+ 34.Qd2 Nd5 35.Bb4 Rf6 36.Rg2 (36.Qg2 Rf3 37.Kh1 e3–+ (37...Rg3?! 38.Qg3 Qg3 39.Rg3 Rg3 40.c4–+; 37...Qg3?! 38.Qg3 Rfg3 39.Rg3 Rg3 40.c4–+; 37...Nb4?! 38.ab4 e3 39.Raf1 Rg3 40.Rf7 Kh8 41.Qg3 Qe4 42.Kh2 Rg3 43.Rg3–+)) 36...Rf3 (better is 36...Nf4 37.gf4 Qh4 38.Kg1 Rfg6–+) 37.Qe1?? (37.Qe2 Rg6 38.Kg1–+) 37...Ne3 (37...Nb4?! 38.ab4 a6 39.Ra5+=) 38.Rg1 Nc2 (38...Qf5 39.Qe3 Re3 40.Be1 Re2 41.Rg2 Rg2 42.Kg2 Qf3 43.Kg1 Rf8 44.Rb1 Qf1 45.Kh2 Qe2 46.Bf2 Rf2 47.Kg1 Qf3 48.Rb7 Qg2) 39.Rc1 (39.Qe2 Na1 40.d5 Qf5–+) 39...Ne1 40.Rc7 Rg7 (40...Rg7 41.Rg7 Qg7 42.Be1 Ra3–+) 0–1. Nemeth,Sebastian (2110) – Andersson,Goran (2165), Manhem ChessWeek Elo, 2010.

11.Nb3 h6 12.Rb1 Bd6 13.Nbd4 Nd4 14.Nd4 Bc8 15.Bf3 c6=+ 16.Ne2 Ng4 17.Ng3 Ne5 18.Be5 Qe5 19.d4 Qf6 20.Bg4 b5 21.Bc8 Rc8 22.Qg4 g6 23.c3 a5 24.Rb2 a4 25.Rfb1 Kh7 26.Nf1 h5 27.Qh3 Rcd8 28.f4 Qe6–/+ 29.Qe6 Re6 30.Kf2 Rde8 31.g3 f6 32.Re2 g5 33.f5= R6e7 34.h3 Kg7 35.g4 hg4 36.hg4 Rh8 37.Kg2? (better is 37.Nd2!?–/+) 0–1. Roczniak,Jan – Zych,M, Radom Poland, 1983.

11.Qc1 d4 12.e4 Bg4 13.h3 Bh5 14.Qd1 Qd6 15.Nc4 Qf8 16.Nd4 Be2 17.Ne2 Ne4 18.Qc1 Nd2 19.Nd2 Re2 20.Ne4 f6 21.Qd1? Re4!–/+ (21...Re4 22.c3 Ba3 23.Qb3 Qf7 24.Qa3 Rd3–/+) 0–1. uno (1790) – Machete (2300), ICC, 2003.

11.c3 Bc5 12.d4 Bd6 13.c4 dc4 14.Nc4 Ne4 15.Qb3+= Be6 16.Qb7 Bd5 17.Nd6 Qd6?? 18.Qa6+/– Re6 19.Ba3 Qd7 20.Qd3 Rg6 21.Ne1 Nd2? 22.Qd2+– Bg2 23.Bh5?? Bf3 (23...Bf3 24.Bg6 Qg4 25.Ng2 Qg2#) 0–1. Bulcourf,Carlos – Piza,Daniel Ricardo, corr ARG–93–420, 1987.

11.c4 d4 12.e4 Bc3 13.Qc2 Bb2 14.Qb2 Bc8 15.Rab1 Qd6 16.Rfc1 Nd7 17.Nb3 Nf8 18.c5 Qf6 19.Qd2 Ng6 20.g3 b5 21.Na5 Na5 22.Qa5 c6 23.Ne1 Ne7 24.Rc2 a6 25.a4 h6 26.f4 g5 27.f5 Rd7 28.Bg4 Rdd8 29.Rf2 Qe5 30.Rc1 Qh8 31.Bh5 Qf6 32.Nf3 ba4 33.Qa4+– Rf8 34.g4 Qh8 35.Rc4 (35.Rc4 Bb7 36.Rd4 Rd4 37.Qd4 Qd4 38.Nd4+–) 1–0. Lebel,Patrick – Plock,Joerg, corr or03–032, 2002.

11.Re1 a6 12.a3 Bc5 13.d4 Bb6 14.c4 Ba5 15.cd5 Nd5 16.Qb3 Bg4 17.Red1 Nf4 18.Bf1 Bd2 19.Nd2 Bd1 20.Rd1 Ne6 21.Rc1 Na5=+ 22.Qa4 Qg5 23.Ne4 Qd5 24.Nc5 Nc5 25.Rc5 Qa2 26.Qb4 Rd5 27.Rc7 b5 28.Qa5 Qb2 29.Qa6 Rf5 30.f3 g6 31.Qd6 Kg7 32.Re7 Re7 ½–½. Achermann,Josef – Malmstroem,Jan (1940), Telechess CBM, 2004.

11.Re1 a6 12.c3 Bd6 13.Nf1 Ne5 14.Ne5 Be5 15.f4 Bd6 16.g4 Be6 17.Bf3 c5 18.h3 c4 19.f5 Bc8 20.dc4 dc4 21.Qe2 b5 22.a4 Ne4 23.ab5 ab5 24.Qg2 Nc5 25.Bc6 Bd7 26.Bd7 Rd7 (26...Rd7 27.Ra5 Nd3–+) 0–1. de Visser,Arno – Plock,Joerg, Orang Utan Invitational, 2002.

11.Re1 Ne4 12.de4+/– de4 13.Nd4 Nd4 14.ed4 e3 15.c3 Rd4 16.cd4?? ed2–/+ 17.Rf1 Qe2 18.Qb3 Ba5 19.Qd5= Bc2 20.Qa5 d1Q 21.Rad1 Bd1 22.Bc3 b6 23.Qa7 Qc4 24.Qa3 Ba4=+ 25.d5 h6 26.Rc1 Re2 27.h3 Ra2 28.Qe7 Qf4–/+ 29.Qd8 Kh7–+ 30.Rf1 Bb5 31.Qf8 Qg5?? 32.h4 Qg4 33.Re1=+ Rc2 34.Be5 f5?? 35.Bg7!+– Re2 36.Qh8 Kg6 37.Qh6 Kf7 38.Qf6 Kg8 39.Re2 Be2? 40.Qf8 Kh7 41.Be5 f4 42.h5! Qg8 43.Qf5 Kh6 44.Bf4 (44.Bf4 Kg7 45.h6 Kh8 46.Be5 Qg7 47.Qf8 Kh7 48.Qg7#) 1–0. Zielinska,Marta (2395) – Dworakowska,Joanna (2350), TCh–Poland Glogow Poland, 2001.

11.Re1 Be6!? =.

11.Re1 Bg4 =+.

11.Re1 Ng4 12.Rb1 a5 13.a3 Bc5 14.d4 Bd6 15.Bc1 b6 16.Bb5 Bd7 17.c4 Na7 18.Bd7+/– Qd7 19.cd5 f5 20.Qc2 Nf6+= 21.Nc4 Nb5 22.Qb3 Na7 23.Nce5 Qe7 24.Ng5 a4 25.Qa4+– Ra8 26.Qb3 Ne4 27.Ne6 (27.Ne6 c6 28.f3+– (28.Qb6 Reb8 29.Qa5 Rb1 30.Nc6 Bh2 31.Kf1 Qh4–+)) 1–0. MrkT – Nyxie, internet, 2005.

11.a3 Ba5

12.Rb1 Bb6 13.c4 d4 14.e4 Bc8 15.Nb3 Nd7 16.Qc2 Qd6 17.Rfc1 Bc5 18.Nfd2 b6 19.Nc5 Nc5 20.Nb3 Nb3 21.Qb3 Ne5 22.f4 Ng4=+ 23.Bg4 Bg4 24.Rf1 c5 25.f5 Qh6 26.Bc1 Qh4 27.Bf4 Rc8 28.Rf2 Ra8 29.h3+/– Bh5 30.g4 Bg4 31.hg4 Qg4 32.Kh2 Qh4 33.Kg2 Rac8 34.Bg3 Qg5 35.Rh1 h6 36.Qd1 Rc6 37.Qa4 Rcc8 38.Qa7 Ra8 39.Qb6 Ra3 40.Rd1 h5 41.Kh2 Re4 42.Qb8 Kh7 43.de4 h4 44.Rg1 hg3 45.Rg3 Qh4 46.Kg2 Qe4 47.Kh3 Rg3 48.Qg3 Kg8 49.Qf3 Qf3 50.Rf3 Kf8 51.f6 gf6 52.Rf5 Ke7 53.Rc5 Kd6 54.Rd5 Kc6 55.Kg4 (55.Kg4 d3 56.Kf5+–) 1–0. Rosner,Dirk – Klett, Tiger–CS, 1999.

12.Rb1 Bb6 13.c4 d4 14.e4 Nd7 15.Nb3 Bg6 16.Qc2 f5 17.ef5 Bf5 18.Rbe1 Qd6 19.Nh4 Be6 20.Bf3 (20.Nf3 a6=) 20...a5 (20...Na5 21.c5 Bb3 22.Qb3 (22.cd6? Bc2 23.dc7 Bc7–+) 22...Nb3 23.cd6=) 21.Re2 (21.Bd5 Bd5 22.Nf5 Qg6 23.cd5 Nce5 24.Nbd4 Nf6=) 21...a4 (21...Re7 22.Be4=) 22.Nd2 Nce5 (22...Nde5 23.Rfe1 Bd7 24.Be4+=) 23.Be4 (23.Bb7!? Rb8 24.Be4+/–) 23...Nc5= 24.Rfe1 Bg4 (24...Ne4 25.Ne4 Qe7 26.Nc5 Bc5 27.Re5 Qh4 28.Re6 Re6 29.Re6=) 25.f3 Bd7 26.Nf5 Qf6 27.Ng3 Kh8 28.Kh1 (28.Bd4? Ne4 29.Re4 Bd4 30.Rd4 Nf3 31.Nf3 Re1 32.Kf2 Ree8–+) 28...Ng6 29.Bg6 Qg6 30.Nde4 (30.Re8 Re8 31.Re8 Be8 32.Bd4 Nd3=) 30...Nb3+= 31.Nd2 (31.Kg1 Ba5 32.Rb1 Re7+=) 31...Ba5 32.Re8 ½–½. Poschmann,Hans – Marcotulli,Giancarlo, IECC, 2000.

12.Rb1 Bb6 13.Re1 Ng4 14.d4 Rd6 15.Bd3 Bd3 16.cd3 h6 17.Nb3 Rg6 18.h3+/– Nf6 19.Nh4 Rg5 20.g4 Ng4 21.hg4 Qe6 22.f3 f5 23.e4 de4 24.de4 fg4 25.f4 Rb5 26.Ba1 Qd6 27.Qg4 Nd4 28.Bd4 Bd4 29.Kg2 Bc3 30.Re3 Qc6 31.Qe2 a6 32.Kh2 g5+/– 33.Nf5 gf4 34.Rg1 Kh8 35.Rc3! (35.Rc3 Qc3 36.Qh5+–) 1–0. Ruhle,Ernst_Olaf – Klemens,Leszek, corr ICCF TT–6–02–F, 2008.

12.Rb1 Bb6 13.Re1 Ng4 14.Nf1 Nge5 15.Ng3 Bg6 16.Ne5 Ne5 17.Bh5 Rd6 ½–½. Zmolil,Josef – Cornacchini,Gabriele, corr or03–027, 2003.

12.Nb3 Bb6

13.a4 Na5 14.Ba3 Qd7 15.Nc5= Bc5 16.Bc5 Nc6 17.h3 b6=+ 18.Ba3 Na5 19.Qd2 Bh3 20.gh3+/– Qh3 21.Nh2 Re6 22.Rfd1 Nd7 23.Bf1 Rg6 24.Kh1 Qh4 25.f4 Re8 26.Bb2 c6 27.f5 Rg5 28.Bg2 Rf5 29.Qe1 Qh5 30.e4 de4+= 31.Be4 Nf6 32.Bf6+= Rf6 33.Qg3 Qe5 34.Qe5 Re5 35.Nf3 Re7 36.Kg2 ½–½. Woelfelschneider,Peter (2110) – Bonetti,Shane (2105), TT–16, ETC, 2005.

13.a4 a6 14.a5 Ba7 15.Ba3 Qd7 16.Rb1 b6 17.ab6 cb6 18.Ra1 a5 19.Bb2 Qd6 20.Qd2 Bb8 21.Rfb1 Bg4 22.g3 Rc8 23.Qd1 Nd7 24.Nbd4 Nd4 25.Nd4 Be2 26.Qe2 Qf6 27.Ra2 Ne5 28.Ba1 Qg6 29.Rb5 Rcd8 30.Ra4 Bc7 31.Bb2 Rd7 32.Qf1 Qh5 33.Kg2 Rd6 34.Qe2 Qg6 35.Qd1 Rdd8 36.Qb1 Qg4 37.h3 Qd7 38.Ra1 Nc6 39.Nc6 Qc6 40.Bd4 Re6 41.Ra3 Rdd6 42.Rab3 Qa8 43.Qd1 Rd8 44.Qa1 Rb8 45.Rc3 Be5 46.Be5 Re5 47.Rcb3 d4 48.e4 Rb5 49.Rb5 a4 50.Qd4 a3 51.Rb1 a2 52.Ra1 Qa3 53.Qd5 Ra8 54.Qb3 Qb3+= 55.cb3 Kf8 56.Kf3 Ke7 57.Ke3 Ke6 58.Kd4 f5 59.f4 h6 60.h4 g5 61.fg5 hg5 62.hg5 fe4 63.de4 Kf7 64.Kc4 Kg6 65.b4 Kg5 66.Kb3 Re8 67.Ra2 Re4 68.Rc2 Re6 69.g4 Kf6 70.Ka4 Kg5 71.Rc8 (71.Rc8 Kg4 72.Kb5+–) 1–0. Hoebel,Hartmut (2445) – Kirpikov,Alexander Leonidovich (2145), corr ICCF EU/EM/M/003, 2002.

13.a4 Ng4 14.d4 Na5 15.Ba3 Qe4 =.

13.a4 Ng4 14.d4 Na5 15.Ba3 Qf6 16.Nbd2 Qh6 17.Bd3 Be4 18.h3 Nf6 19.Ne5 c5 20.Bb5 Re6 21.c3 c4 22.Ne4 Ne4 23.Qg4 Nb3–/+ 24.Ra2 Nc3 25.Rc2 Nb5 26.ab5 Bc7 27.Nf3 Qg6 28.Qg6 Rg6 29.Rb1 Bd6 30.Bd6 Rgd6 31.Nd2 Nd2 32.Rd2 Rb6 33.Kf1 Kf8 34.Ke2 a5 35.Ra2 Ra8 36.Kd2 Rg6 37.g3 b6 38.Kc3 Ke7 39.Re1 Re6 40.h4 Kd6 41.Ra4 Rae8 42.Re2 f5 43.Ra1 g6 44.Rea2 h6 45.Rh1 g5 46.hg5–/+ hg5 47.Rh5 f4–+ 48.ef4 gf4 49.gf4 Rf8 50.f5 Ref6 51.Rg5? Rf5 52.Rf5 Rf5 53.Rc2 Rf3 (53...Rf3 54.Kb2 Rd3–+) 0–1. Reussner,Hans Dieter – Zillich,Raimar, DESC, 2004.

13.a4 Ng4 14.d4 Na5 15.Na5 Ba5 16.Ba3 Qf6 17.c4 dc4 18.h3 Nh6 19.Bc4 c6 20.Bd3 Bd3 21.Qd3 Bc7 22.Rab1 Rd7 23.Rfc1 Nf5 24.Rb3 h6 25.Qb1 Bd6 26.a5 a6 27.Bc5 Bc5 28.dc5 Rb8 29.Rb6 Ne7 30.Ra6! Nd5 31.Nd4 Qg5 32.Kh1 Qh4 33.Qf5 ba6= 34.Qd7 Qf2 35.Nc6 Ne3 36.Rg1 Rf8 37.Ne7 Kh8 38.Qd4 Re8 39.c6 Ng4 40.Qg4 Re7 41.Qb4 Qa7 42.Qb6 Qc7 43.Rb1 g6 44.Qc7 Rc7 45.Rb6 Kg7 46.Kh2 Kf6+= 47.Kg3 Ke5 48.h4 Kd5 49.Ra6 Kc5 50.Rb6 Rc6 51.Rc6+– Kc6 52.Kf4 f6 53.g4 1–0. Bonetti,Shane (2125) – Herrchen,Ralf (1890), PCM ETC, 2006.

13.Rb1 a6 14.Re1 Ng4 15.Qd2 Bd7 16.Qc3 f6 17.d4 Na7 18.Bd3 +=.

13.Rb1 a6 14.h3 Nd7 15.Nbd4 Nd4 16.Nd4 Bd4 17.Bd4 c5 18.Bc3 d4 19.Ba5 Rb8 20.e4 b6 21.Bd2 b5 22.f4 Nb6 23.Bh5 Bc8 24.Qf3 Bb7 25.f5 Qh4 26.Bf4 Ra8 27.g3 Qf6 28.g4 Qh4 29.g5 Na4 30.Rbe1 Nc3 31.Qg4 Qg4 32.Bg4 b4 33.ab4 cb4 34.e5 a5 35.e6 fe6 36.Bd6?? Nb5–/+ 37.Bf3?? Ra6 38.Bc5 Bd5 (38...Bd5 39.Bd5 Nc3 40.Be6 Kh8+–) 0–1. Pagni,Carlo Alberto – Buss,Michael, corr ICCF TT/4/90 Final, 1990.

13.Rb1 Bc8 14.Bf6 Qf6 15.d4 =.

13.Rb1 Qd6 14.h3 a6 15.a4 h6 16.Qd2 Ba7 17.Rfe1 Bd7 18.a5 Bc8 19.Qc3 b5 20.ab6 Bb6 21.Ra1 Nb4 22.Ba3 a5 23.Qb2 c5 24.c3 Nc6 25.d4 Ne4 26.dc5 Nc5 27.Bb5 Bd7+= 28.Red1 Ne7 29.c4 Rc8 30.Bc5 (30.Bc5 Bc5 31.Ra5 Bb5 32.cb5+/–) 1–0. Felkel,Siegfried – Schulz,Hans_Juergen, TT–18.22, 2005.

13.Rb1 Bg4 =.

13.Rb1 Ng4 14.Nfd4 Nd4 15.Nd4 Nh6 16.Nf5 Nf5 17.Bh5 c6 18.Qf3 Nh4 19.Qh3 c5 20.d4 cd4 21.ed4 Rc8 22.g3 Ng6 23.Qf5 Qe6 24.Bg4 Qf5 25.Bf5 Rc4 26.Ba1 Re7= 27.Bd3 Rc6 28.Rb5 Rd6 29.Rfb1 Ree6 30.a4 a6 31.R5b4 Ne7 32.c4+/– dc4 33.Bc4 Rf6 34.a5! Ba5 35.Rb7 Ng6 36.Ra7 Nf8 37.Rbb7+– Rc6 38.Bf7 Rf7 39.Rf7 Rc1 40.Kg2 Ra1 41.Rg7 Kh8 42.Rgb7 Bd2 43.d5 Ra2 44.Kh3 Bc3 45.d6 Kg8 46.d7 Nd7 47.Rd7 Rf2 48.Rh7 (48.Rh7 Bd4 49.Rad7+–) 1–0. Krasny,Henryk Jan – Zylla,Johannes, corr, 1996.

13.Re1 Qe6 =.

13.a4 a5

14.Ba3 Qd7 15.Nc5 Bc5 16.Bc5 b6 17.Bd4 Qd6 18.Bc3 Nc6 19.a5 b5 20.a6 (20.Qd2 b4 21.Bb2 Rb8=) 20...Rb8 (20...b4 21.Bb2=) 21.Bb2 h6 22.Qd2 Rb6 23.Rfb1 Reb8 24.Ra2 (24.Qc3 b4 25.Qb3 Nd7=) 24...Bc8 25.Rba1 b4 26.Bf6 Qf6 27.d4 Qd6 28.Qc1 Ne7 29.Bd3 c5 30.dc5 Qc5 31.Ra5 Qd6 32.Qd2 Be6 33.Nd4 Nc6 34.Nc6 Qc6 35.h3 Qd6 36.Rb1 Rc8 37.Rb5 Rb5 38.Bb5 Rb8 39.Bf1 (39.Rb4? Qc5 40.Qd4 Qd4 41.ed4 Bd7 42.Bd7 Rb4–+; worse is 39.Qb4 Qb4 40.Rb4 Bd7 41.Bd7 Rb4–/+) 39...Qb6 40.Qd3 ½–½. Cottarelli,Franco (2140) – Mateka,Petr (2290), WS/M/121 ICCF, 2007.

14.Ba3 Qe6 15.Nc5 Bc5 16.Bc5 =+.

14.Rb1 Nb4 15.Nbd4 Bg4 16.c3 Na6 17.Re1 c5 18.Ba3 Bc7 =.

14.Qd2 Ng4 15.Qc3 f6 16.Ba3 Nb4 17.d4 c6 18.Rfb1 Qc7 (18...Ne3 19.fe3 (worse is 19.Qe3 Qe3 20.fe3 Nc2–/+) 19...Qe3 20.Qe3 Re3 21.Bb4 Bc2 22.Ba5 (22.Na5?! Bb1 23.Nb7 Rb8=) 22...Ba5 23.Na5 Bb1 24.Nb7+/–) 19.Rb2 (19.Bb4 ab4 20.Qb4 Bc2+/–) 19...Be4 20.g3 (20.h3 Nh6+–) 20...Rb8 (20...Na6 21.Nbd2 f5 A) 22.Ne4?! fe4 (22...Re4? 23.Rab1+–) 23.Ng5 Nf6+–; B) 22.Rab1+–) 21.Nfd2 Bf5 22.Bb4 ab4 23.Qb4 Ba7 24.c4 Qf7 25.cd5 cd5 26.Rc1 Rbc8 27.Bf3 Be6 28.Rc8 Rc8 29.Qd6 g6 30.Qa3 Rc7 31.Bg2 f5 32.Nf3 Qf8 33.Qf8 Kf8 34.a5 Nf6 35.Nbd2 Ne4 36.Bf1 Nd6 37.h4 h6 38.Ne5 Kg7 39.Nb1 Ne4 ½–½. Szabo,Almos (2300) – Lakatos,Stefan (2420), 1st Romanian Internet Championship Final, 2005.

14.Nbd4 Bd4 15.Nd4 Nd4 16.Bd4 c5 17.Bf6 Qf6 18.Qd2 b6=+ 19.c3 Re6 20.d4 Qh4 21.Bd3? Rh6–+ 22.h3 Bh3! 23.f3 Bd7 24.Qe1 Qh2 25.Kf2 Rh3 26.Rh1 Qg3 27.Kg1 Rh1 28.Kh1 Qe1 29.Re1 cd4 (29...cd4 30.cd4 Ba4–+; 29...Ba4?! 30.dc5 bc5 31.Ra1–+) 0–1. HELTERSKELTER – Nekthen, ChessWorld.net, 2008.

14.Nbd4 Nd4 15.Nd4 Bd4 16.Bd4 c5 17.Bc3 b6 18.Rb1 Rd6 =+.

14.Re1 A) 14...Nb4 15.c3 Na6 16.Ba3 Qd7 17.Nbd4 Bg6 18.Qb3 Rb8=; B) 14...Ng4 15.Qd2 Qd6 16.Qc3 Nge5 17.Rab1 Nf3 18.Bf3 Qg6=.

11.a3 Bc5

12.Qb1 Ng4 13.d4 Bd6 14.Bc1 Ne3 15.fe3 Qe3 16.Rf2 Nd4 =+.

12.Rb1 A) 12...b6 13.Qc1 Be3 14.Bf6 Bd2 15.Be7 Bc1 16.Bd8 Ba3=; B) 12...Nd7 13.Nb3 Bd6 14.Nbd4 Nd4 15.Nd4 Be6 16.Nb5 a6=; C) 12...Rb8 13.c4 dc4 14.Nc4 b5 15.Nfe5 Ne5 16.Ne5 Rb6=; D) 12...Bc8 13.Qc1 Be3 14.Bf6 Bd2 15.Be7 Bc1 16.Bd8 Ba3+=; E) 12...Ng4 13.Nd4 Nd4 14.Bg4 Qh4 15.Bf5 Nf5 16.c4 Be3=.

12.Nb3 Bd6 13.a4 Bg4 14.a5 Nb4 15.Nh4 Be6 16.Nd4 Qd7 =.

12.c4 dc4 13.Nc4 a6 (13...b5 14.Nce5 Ne5 15.Ne5=) 14.d4= Ba7 (14...b5 15.Qc1 bc4 16.Qc4=) 15.Rc1 Qe6 16.Nce5 Ne5 17.Ne5 Qb6 18.Nc4 Qe6 19.Ne5 Qb6 20.Nc4 ½–½. Schmickt,Bernhard – Bonetti,Shane, corr or02–024, 2002.

12.d4 Bd6 13.c4 Qe6 14.c5 Be7 15.Ng5 Qd7 16.Rc1 Rb8 =.

12.Re1 a5 13.Rb1 Bc8 14.Qc1 Ng4 15.d4 Bd6 16.Bd3 Be6 +=.

12.Re1 a6 13.h3 Bd6 14.c4 dc4 15.Nc4 Bc5 16.Qc2 Be6 =.

12.Re1 b6 13.h3 a5 14.c4 dc4 15.d4 Bd6 16.Bc4 Ne4 +=.

12.Re1 Rb8 13.d4 Bb6 14.c4 Ba5 15.cd5 Nd5 16.Bc4 Nc3 =.

12.Re1 Bd6 13.Rb1 Rb8 14.c4 Ba3 15.Bf6 Qf6 16.cd5 Ne5 +=.

12.Re1 Nd7 13.d4 Bd6 14.c4 dc4 15.e4 c3 16.Bc3 Be4 =.

12.Re1 Be6 13.Rb1 Rb8 14.Qc1 Bd6 15.c4 a6 16.cd5 Nd5 =.

12.Re1 Bg4 13.Qc1 b6 14.c4 dc4 15.Qc4 Bf5 16.Qc2 Na5 +=.

12.Re1 Ng4 13.d4 Nf2 14.Kf2 Qe3 15.Kf1 Bd4 16.Nd4 Nd4 17.Bd4 Qd4 18.Nf3 Qf4 19.Bd3 Be4 20.Qd2 Qf6 21.Qf2 c6 22.Nd4 Qf2 23.Kf2 c5 24.Nb5 f5 25.Na7 c4 26.Be4 fe4 27.Rad1 d4 28.Nb5 d3 29.Ke3 g6 30.Rd2 h5 (better is 30...Kg7!?+=) 1–0. Trkn – guest6962, ICC, 2004.

9.d3 h6

10.Nbd2 Rb8 11.c4 dc4 12.Nc4 Nd5 (12...b5 13.Nce5 Ne5 14.Be5=) 13.Rc1 Bf8 14.a3 Nb6 (14...Be6 15.Qc2=) 15.Qc2 (15.Nb6 ab6 16.d4 Bd6+=) 15...Na4 (15...Nc4 16.Qc4 Bd6 17.Qc3+=) 16.Ba1 (16.Qa4 b5 17.Qc2 bc4+=) 16...Nc5 (16...Nb6 17.Nce5 Ne5 18.Be5=) 17.Rfd1 a5 18.e4 (18.Bc3 a4=) 18...Be6 19.d4 Ne4 20.d5 Bd5 21.Ne3 Ne7 (21...Ba3!? 22.Rb1 Ne7 23.Nd5 Nd5+=) 22.Be5= c6 23.Nd5 cd5 24.Bc7 Qc8 (24...Rc8 25.Bb5 Qc7 26.Qc7 (26.Be8?? Qc2 27.Rc2 Rc2–+) 26...Rc7 27.Rc7=) 25.Bb5 (worse is 25.Bb8 Qc2 26.Rc2 Rb8=) 25...Qf5 (25...Rd8 26.Qa4+=) 26.Be8+/– Re8 27.Qb3 g5 28.h3 h5 29.Rc2 Bg7 30.Nd4 Bd4+= 31.Rd4 Nf6 32.Re2 Qc8 33.Bb6 Nc6 34.Re8 Qe8 35.Rd1 Qe2 36.Qb1 Qe5 37.Re1+/– Qc3 38.Re3 Qd2 39.Rf3 Ne4 40.Be3 Qc3 41.Bg5! Qe5 42.Bf4 Qe7 43.Re3 Qf6 44.g3 h4 45.Qb7 hg3 46.Bg3 Kh7 47.Qd7 Ne7 48.Qg4 Nf5 49.Qh5 Kg7 50.Bc7+– a4 51.Qg4 Qg6 52.Rd3 1–0. aspasio – martijn, net–chess.com, 2012.

10.Nbd2 Bd6 11.c4 Ne5 (11...Be6 12.Qb3 dc4 13.Nc4= (worse is 13.Qb7 Qd7 14.Bf6 cd3 15.Bd3 Reb8–/+)) 12.Be5+= Be5 13.Ne5 (13.Rb1 Rb8=) 13...Re5 14.Qb3 Re6 (14...Rb8 15.d4 Re7 16.Rfc1=) 15.cd5 (15.d4 Rb6 16.Qc3 Qe7=) 15...Qd5 (15...Rb6 16.Qc2 Nd5 17.Nc4=) 16.Rfc1 Qb3 17.Nb3 Re7 18.Na5 c6 19.Rab1 Bc8 20.e4 (20.Bf3 a6 21.d4+=) 20...Rc7 (20...Ne8 21.Kf1=) 21.f4 c5 (21...Re7!?+=) 22.Bf3+/– Rb8 (22...Nd7 23.d4! Kf8 24.d5+–) 23.e5 Nd7 (23...Ne8 24.Nb3+–) 24.d4!+– b5 25.Nc6 Rb6 26.Ne7 Kf8 27.Nd5 (27.Nd5 Rbc6 28.Nc7 Rc7 29.Rb5+–; 27.Nc8?! Rc8 28.Bg4 Ke7 29.Bd7 Kd7 30.dc5 Ra6+–) 1–0. Vegjeleki,Adolf (2145) – Yeung,Chun Keung (1640), corr WSTT/3/06/Semifinal, 2008.

10.Nbd2 Qd7 11.Rb1 Qd6 12.c4 Rab8 13.Bf6+– dc4 14.Be5 Qe7 15.Rb4 Qb4 16.Nc4 b5 17.Bc7 bc4 18.Bb8 cd3 19.Bd3 Bd3 20.Qd3 Rb8 21.Qd7 Qc3 22.Qc7 Rb2 23.a3 Ra2 24.Qc8 Kh7 25.Qf8 f6+= 26.Qe8 Qc2 27.Nh4 Ra3 28.e4 Ne5 29.Nf5 Rd3 30.Ne7 Qb3 31.Qh5 Qe6 32.Nf5 Rd2 33.Qh3 Rd7 34.Qe3 Nc4 35.Qf4 a5 36.Rc1 a4 37.Ne3 Ne3 38.Qe3= Qb3 39.Qe2 a3 40.Qg4 Rc7 41.Rf1 =. b4_player – opponent, gamecolony.com, 2007.

10.Nbd2 a6

11.a3 Bc5 12.c4 dc4 13.Nc4 Nd5 14.d4 Ba7 15.Rc1 Rb8 16.Re1 Qf6 17.Nfe5 Rbd8 18.Bf3 Nde7 19.d5 Qg5 20.e4 Bh3 21.Qd2 Qd2 22.Nd2 Bc8 23.Nd3 Ng6 24.Be2 Nd4 25.Bd4 Bd4 26.Rc7 b5 27.Rec1 Ne5 28.Nf3 Nd3+= 29.Bd3 Bb2 30.R1c6 Ba3 31.h3 Kf8 32.g4 Bb4 33.Nd4 Bd6 34.Rc8 Rc8 35.Rd6 Rc1 36.Kg2 Rd1 37.Bb5 ab5 38.Nb5 Rd2 39.Nc7 Rb8 40.Rd7 Rbb2= 41.Kg3 Rf2 42.d6 g5 43.e5 Rfe2 44.Kf3 Re5 45.Rd8 Kg7 46.d7 Rb3 47.Kf2 Rd3 48.Re8 Rd7 49.Re5 Rc7 50.Re3 h5 51.gh5 Kh6 52.Rf3 Kh5 53.Rf6 Rd7 54.Kg2 Ra7 55.Kf2 Rb7 56.Kf3= Re7 57.Kg3 Re3 58.Kg2 g4 59.hg4 Kg4 60.Rf7 Re2 61.Rf2 Re8 62.Ra2 Re3 63.Ra1 Re2 64.Kf1 Rc2 65.Ra3 Rh2 66.Ra5 Rb2 67.Ra1 ½–½. pierre – browndoginthedark, internet, 2008.

11.a3 Bd6 A) 12.Re1 b5 13.c4 dc4 14.dc4 b4 15.Qa4=; B) 12.Qc1 b6 13.c4 Ne5 14.Ne5 Be5 15.Be5=; C) 12.c4 Be6 13.cd5 Nd5 14.Ne4 Be7 15.Qc2=.

11.a3 Be7 A) 12.Qc1 Qd7 13.c4 dc4 14.Nc4 Rad8 15.Nfe5=; B) 12.Rb1 b5 13.Nb3 Bd6 14.Nfd4 Nd4 15.Nd4=; C) 12.Nb3 Rb8 13.Ne5 Ne5 14.Be5 Bd6 15.Bd6=; D) 12.Re1 Rb8 13.Nb3 Bd6 14.Ra2 b5 15.Qa1=; E) 12.c4 dc4 13.Nc4 Rb8 14.Qc2 Be6 15.Rfc1=.

11.a3 Bf8 A) 12.Re1 Be6 13.Rb1 b5 14.c4 dc4 15.dc4=; B) 12.Qc1 Qd6 13.Rb1 b5 14.Nb3 Bg4 15.c4=; C) 12.Ra2 Be7 13.Qb1 b5 14.a4 b4 15.a5=+; D) 12.Bc3 b6 13.Nb3 Bd6 14.Ra2 Ng4 15.Qa1=; E) 12.Rb1 b5 13.a4 ba4 14.c4 Nb4 15.cd5=+; F) 12.Nb3 Bd6 13.c4 dc4 14.dc4 b6 15.Rc1=; G) 12.Qb1 b6 13.Rc1 Bc5 14.Nb3 Bd6 15.c4=.

11.Rb1 b5 A) 12.Nb3 Bd6 13.Qd2 Qe7 14.Rfd1 Be6 15.Nbd4=; B) 12.Rc1 Rb8 13.Nb3 Qe7 14.c4 dc4 15.dc4=; C) 12.a4 Qe7 13.Ra1 Qe6 14.Re1 Bg4 15.c3=; D) 12.Ba1 Qe7 13.a4 Reb8 14.ab5 ab5 15.Bb2=+; E) 12.Qe1 Qe7 13.Qd1 Bd6 14.a4 ba4 15.c4=+; F) 12.Ne1 Bd6 13.Nef3 Qe7 14.a4 ba4 15.c4=+; G) 12.Qc1 Bd6 13.Bc3 Qe7 14.Qb2 Ne5 15.Rfe1=.

11.c4 dc4 12.Nc4 b6 13.a3 Bc5 14.Rc1+= b5? 15.Ncd2 Qd6 16.Qc2 Ba3 17.Ba3 Qa3 18.Qc6 Bd3? 19.Ra1 Qa1 20.Ra1 Be2 21.Nd4 Bd3 22.Qc7 Rac8 23.Qd6 a5 24.Qa3 a4 25.Qd3. pierred – Chessdonkey, chessmaniac.com, 2006.

10.Nbd2 Qe7

11.a3 Ba5 12.Nb3 Bb6 13.Nbd4 Nd4 14.Nd4 Bg6 15.a4 a6 (15...c5 16.a5 Bd8 17.Nb3=) 16.Bf3= Rad8 17.a5 Bc5 18.Rb1 (18.Bc3 Bd6=) 18...Bd6 19.g3 (19.Ne2 Rb8+=) 19...c6 (19...Bb4 20.Ne2 Ba5 21.Nf4=) 20.Bc3 Qc7 21.Ne2 Nd7 22.Nf4 Bf5 23.Kh1 (23.Bd4 Be5+=) 23...Ne5 24.Be5 (24.Bg2 Ng6=) 24...Re5 (24...Be5 25.Qd2=) 25.d4 Re7 26.Qd2 Be4 27.Bg2 Bg2 28.Kg2 Qc8 29.Qd1 Bc7 30.Ra1 (30.Qd2 Rde8=) 30...c5 (30...Bf4 31.ef4 Rde8 32.Qd3=) 31.c3= c4 (31...Bf4 32.ef4 cd4 33.cd4=) 32.Qf3 Qd7 33.Rfc1 Qc6 34.Rc2 Rd6 35.h4 g6 36.Rcc1 (36.Rb2 Rd8=) 36...h5 37.Ra2 ½–½. Arnaudov,Petar (2070) – Petrov,Martin (2160), 5th Balkan Amateur Chess Festival, 2014.

11.a3 Ba5 12.c4 Rad8 13.Bf6 Qf6 14.cd5 Ne7 15.Ne4 Qb2 16.Nd4 Bb6 17.Nf5 Nf5 18.Bf3 Nh4 19.a4 f5 20.Ng3 f4 21.ef4 Nf3 22.Qf3+/– a5 23.Nf5 Qf6 24.g4 Bc5 25.Rac1 Bd6 26.Rc4 h5 27.Rb1 b6 28.h3 Bc5 29.d4 hg4 30.hg4 Bd6 31.Rbc1 g6 32.Nd6 cd6 33.Qh3 Qg7 34.Rc7 Rd7 35.Rc8 Rde7 36.Qh4 Kf8 37.Kg2 (37...Qd4 38.Qh6 Qg7 39.Re8 Re8 40.Qg7 Kg7 41.Kf3+–) 1–0. Baumann,Heinz – Fichtner,Bernd, RSS4E–24 remoteschach.de, 2003.

11.a3 Bd6 12.c4 Be6 13.cd5 Nd5 14.Ne4 Rad8 15.Nd6 Qd6 16.Re1 a6 17.Rc1 Nf6 18.Bf6+/– gf6 19.Qa4 Kh7 20.d4 Rg8 21.Ba6!+– Ra8?? 22.Qc2 Kh8 23.Bb7 Rg2 24.Kg2 Rg8 25.Kh1 Na5 26.Be4 Bh3 27.Rg1 Rb8 28.Bf5 Bf5 29.Qf5 Rb2 30.Qc8 (30.Qc8 Qd8 31.Qd8 Kh7 32.Qg8#) 1–0. pierre – Gegonz, ChessHere.com, 2006.

11.Nb3 Rad8 12.a3 Bd6 13.Nh4 Bd7 14.g3 a6 15.Bf3 Be5 16.d4 Bd6 17.Nd2 Rb8 18.c4= dc4 19.Nc4 Nd8 20.Bg2 Bb5 21.Nf5 Qe6 22.Nfd6 cd6 23.d5 Qe7 24.Rc1 Rc8 25.Qd4 Rc5 26.Rfe1 Bc4 27.Rc4 Rc4 28.Qc4 Nd7 29.Rc1 f6 30.Bd4+/– Ne5 31.Qc3 Ndf7 32.e4 Qd7 33.f4 Ng6 34.Qc7 Qa4 35.Qc4 Qd7 36.Bb6 Ne7 37.Qc7 Qa4 38.Qb7 Qa3 39.Rb1 Qa2 40.Bf2 a5 41.Rc1 g5 42.fg5 fg5 43.Qd7 Kf8 44.Rf1 Qb2 45.Ba7 Qe5 46.Bh3 (46.Bh3 Nf5 47.Bf5+– (< 47.ef5 Qd5 48.f6 Re5+–; < 47.Rf5 Qe7 48.Qe7 Re7+–)) 1–0. Kilpatrick,Robert – Bisland,J, corr SCCA, 1987.

11.c4 Be6 =.

9.d4 Bd6

10.Ba3 Nb4 11.c4 Nc2 12.Bd6 Na1 –/+.

10.Na3 Ne4 (10...a6 11.c4 Qd7 12.Rc1 Qe6 13.Qb3 Na5 14.Qc3=+; 10...Be4 11.Nb5 Ng4 12.h3 Bf3 13.Bf3 Nh2 14.Re1=; 10...Na5 11.Nb5 Be7 12.Ba3 a6 13.Be7 Qe7 14.Nc3=+; 10...Be7 11.c4 a6 12.Rc1 Rb8 13.Qb3 Na5 14.Qc3=+; 10...Qd7 11.c4 a6 12.Rc1 Qe6 13.Qb3 Na5 14.Qc3=+; 10...Rb8 11.c4 Be7 12.c5 b6 13.Bb5 Bd7 14.Rb1=+) 11.Nb5 Bb4 12.c3 Ba5 13.Qb3 a6 14.Na3 =+.

10.c4 Nb4 11.Nc3 dc4 12.Bc4 c6 13.Ne2 b5 14.Bb3 Nd3 15.Rb1 Nb2 16.Rb2=+ Qe7 17.Ng3 Bg6 18.Bc2= Rad8 19.Bg6 hg6 20.Qc2 Qd7 21.Re1 Nd5 22.e4 Nb6= 23.e5 Bf8 24.Ne4 Nc4 25.Rb3 a5 26.Qc1 a4 27.Rb1 Ba3 28.Qf4 Qf5 29.Qh4 Qh5 30.Qf4 Qf5 31.Qh4 Qh5 ½–½. Ganchev,Georgi (2310) – Filev,Georgi, Borovetz tt, 2002.

10.c4 Nb8 11.Nc3 c6 12.cd5 cd5 13.Nb5 Nc6 14.Nd6 Qd6 15.a4 Ne4 16.Bb5 a6 17.Bc6 bc6 18.Ba3 Qh6 19.Ne5 Rec8 20.Rc1 Rc7 21.Nd3 a5 22.Nc5 Qg6 23.Ne4 Be4 24.f3 Bd3 25.Rf2 Bc4 26.Bd6 Qd6 0–1. phildo (1870) – lampshadow (1725), gameknot.com, 2013.

10.Nbd2 Nb4 11.c4 Nd3 12.Qb3 Nb2 13.c5 Bf8 14.Qb2 =.

10.Bd3 Bg4 (10...Bd3 11.Qd3 Nb4 12.Qf5=+) 11.Be2 (11.h3 Bh5=+) 11...Ne4 (11...Qe7 12.c4=+) 12.Nbd2 Qe7 (12...Qf6 13.c4 Nd2 14.Nd2=+) 13.c4 Nd2 14.Qd2 dc4 15.Bc4 Rad8 (15...Bf3 16.gf3 Qf6 17.f4=+) 16.Be2 Bf5 17.Bd3 (17.d5 Bb4 18.Qd1 Qe4=+) 17...Bd3 18.Qd3 Nb4 (18...Qe6 19.d5 Nb4 20.Qd4= (< 20.de6 Nd3 21.ef7 Kf7–/+)) 19.Qf5 Qd7 20.Qd7 ½–½. Berlacki,Piotr – Vacca,Georges, Paris op–B, 1996.

9.h3 Bc5

10.Na3 Ne4 11.Nb5 a6 12.Nbd4 Nd4 13.Bd4 Bd6 14.d3 Ng5 =+.

10.a4 a6 11.Ba3 Ba3 12.Ra3 d4 13.Bd3 Be6 14.Qc1 de3 =+.

10.a4 a6 11.d4 Bd6 12.c4 dc4 13.Bc4 Na5 14.Bd3 Qd7 =+.

10.Bb5 Rb8 11.Bc6 bc6 12.Bd4 Bb6 13.Bb6 cb6 14.d3 c5 =+.

10.Nc3 a6 11.d3 =+.

10.Nc3 Ne4 11.Na4= Bd6 12.d3 Ng5 13.Nc3 d4 14.Nd4?? Nd4–+ 15.ed4?? Nh3! 16.gh3 Qg5 17.Kh1 Qf4 18.Kg2 Qh2 19.Kf3 Qh3# 0–1. Fritz 6 – Fritz 8, 2003.

10.d4 Bb4 11.Nbd2 a6 12.c4 h6 13.cd5 Nd5=+ 14.Bc4 b5 15.Bb3 Na5 16.Bd5 Qd5=+ 17.Nh4? Bd3–+ 18.Re1 Nc4 19.Nc4 bc4 20.Nf3 Be1 21.Ne1 Bg6 22.Qf3 Qa5 23.Qd1 c3 24.Bc1 c5 25.Nc2 Qa4 0–1. mgoodrich (2110) – pierred (2655), net–chess.com, 2008.

10.d4 Bd6 11.Nbd2 Ne4 12.c4 Nd2 13.Qd2 dc4 14.Bc4 Be4 =.

10.Bf6 Qf6 11.d4 Bd6 12.Nc3 Be4 13.Ne4 de4 14.Nh2 Rad8 15.Rb1 Qh4 16.c3 Ne7 17.Qe1 b6=+ 18.f4 Qe1 19.Rfe1 Nd5 20.Bb5 Re7 21.Rb3 a5 22.Ng4 c5 23.Ne5 Rc7 24.Bc4 a4–/+ 25.Rb2 Nc3–+ 26.d5 b5 27.Rc1 a3 28.Rbc2 Be5–+ 29.fe5 Nd5 30.Bb5 Ne3 31.Re2 Nf5 32.Re4 g6 33.Ra4 Nd4 34.Bc4 Re8 35.Ra3 Re5 36.Ra8 Kg7 37.a4 Ne2 38.Be2 Re2 39.Rc4 h6 40.Kf1 Ra2 41.Kg1 Rb7 42.a5 Rbb2 43.Rg4 h5 44.Rg3?? Rb1 45.Kh2 Raa1 46.Rc3 h4 47.g3 Rb2 (48.Rc2 Rc2#) 0–1. Luchner,Wolfgang (1650) – Erhard,Jakob (1905), Wattens op, 1999.

10.Nh4 Be6 11.Nf3 Qe7 12.Nc3 a6 13.Qb1 Bd6 14.Re1 b5 =+.

8.0–0 Bf8

9.d4 Ne4 10.Ba3 Ba3 11.Na3 Nc3 12.Qd3 Ne2 13.Qe2 Bg4 14.Rfd1 =+.

9.d4 Ne4 10.c4 Be6 11.c5 Qf6 12.Qc2 Bf5 13.Qb3 Na5 14.Qb4 =.

9.d4 Ne4 10.Nbd2 Bb4 11.c4 Bg4 12.cd5 Nd2 13.Nd2 Be2 14.Qe2 =.

9.d4 Bf5 10.a3 Ne4 11.Nbd2 a6 12.c4 dc4 13.Bc4 Na5 14.Ba2 =.

9.d4 Bf5 10.Bb5 a6 11.Bc6 bc6 12.Ba3 Ba3 13.Na3 Qd6 14.Nb1 =+.

9.d4 Bf5 10.c4 dc4 11.Bc4 Qd7 12.Nc3 Bd6 13.Qa4 a6 14.d5 =.

9.d4 Bf5 10.Nbd2 Rb8 11.c4 dc4 12.Nc4 Nd5 13.Nce5 Ne5 14.Ne5 =.

9.d4 Bg4 10.Ba3 Ba3 11.Na3 Ne4 12.Qd3 Nb4 13.Qb3 a5 14.Nb1 =.

9.d4 Bg4 10.c4 dc4 11.Bc4 Qd7 12.Ba3 Ba3 13.Na3 Qe7 14.Nc2 =.

9.d4 Bg4 10.Nbd2 Bb4 11.a3 Bd2 12.Qd2 Ne4 13.Qd1 Na5 14.Qe1 =+.

9.d4 Bg4 10.h3 Bf5 11.c4 dc4 12.Bc4 Na5 13.Bd3 Bd3 14.Qd3 =.

9.d4 Be7

10.a3 Rb8 11.Nbd2 b5 12.Bd3 Bg4 13.Re1 a6 14.h3 =+.

10.Ba3 Bg4 11.Be7 Qe7 12.Nbd2 a6 13.Rb1 b5 14.a4 =.

10.Na3 Ne4 11.c4 Ba3 12.Ba3 Nc3 13.Qd3 Ne2 14.Qe2 –/+.

10.a4 Rb8 11.Ba3 Bf5 12.Bb5 Bd6 13.Bd6 Qd6 14.c4 =.

10.Bb5 Bg4 11.c4 a6 12.Bc6 bc6 13.Ba3 dc4 14.h3 =+.

10.c3 Rb8 11.Ba3 Ba3 12.Na3 Ne4 13.Rc1 Qe7 14.Qb3 =.

10.c4 Rb8 11.Nc3 Bf5 12.Rc1 a6 13.Ne5 dc4 14.Nc6 =.

10.Nbd2 Bf5 11.c4 a6 12.Qb3 Na5 13.Qc3 Nc4 14.Nc4 =.

10.Re1 Bf5 11.c4 Nb4 12.Na3 dc4 13.Bc4 Nbd5 14.Ne5 =+.

10.h3 Be6 11.Ba3 Ne4 12.Be7 Qe7 13.Qd3 Nb4 14.Qb3 =+.

9.d4 h6

10.Ba3 Bd6 11.Bd6 Qd6 12.c4 dc4 13.Bc4 a6 14.Nbd2 =.

10.a4 Ne4 11.Ba3 Ba3 12.Ra3 Bg4 13.Nbd2 Qd6 14.Rd3 =.

10.c4 dc4 11.Bc4 Bd6 12.Nc3 a6 13.Rc1 b5 14.Bd3 =.

10.c4 Bf5 11.Nc3 dc4 12.Bc4 Na5 13.Be2 c6 14.a4 Qb6 15.Ba3 Ba3 16.Ra3 Rad8 17.Qc1 Nd7 18.Rd1 Qb4 19.Na2 Qb6 20.Nc3 Qb4 21.Ra2 Nb6 22.Qa3 Qa3 23.Ra3 Nd5 24.Nd5 Rd5 25.Re1 Be6 26.Nd2 Rdd8 27.Rc3 Kf8 28.Bf3 Bd5 29.Be2 Re7 30.g3 g6 31.Kf1 f5 32.Bf3 Kf7 33.Rc5 Bf3 34.Ra5 b6 35.Nf3 ba5 36.Ne5 Kf6? 37.Nc6+– (37.Nc6 Rc8 38.Ne7 Ke7 39.e4+–) 1–0. Seifert,Henryk (2280) – Galkiewicz,Dariusz (2220), Golden Rook op, 2003.

10.Nbd2 Be6 11.Rb1 a6 12.c4 dc4 13.Bc4 Qd7 14.Qc2 =.

10.Ne5 Ne5 11.de5 Ne4 12.c4 Be6 13.cd5 Qd5 14.Qc2 =.

8.0–0 Bg4

9.a3 Ba5 10.c4 dc4 11.Bc4 Ne5 (11...Qe7 12.d4=+) 12.Be2 (12.Be5 Re5 13.Bf7 Kf8 14.Bc4+= (< 14.Ne5 Bd1 15.Rd1 Nd7 16.Nd7 Qd7=+)) 12...Bf3 13.Bf3 Nd3 14.Qc2 Nb2 15.Qb2 Rb8 16.d4 (16.Bb7? c5–+) 16...c6 17.Nd2 Nd5 18.Rac1 Qe7 (18...Bc7 19.Ne4=) 19.Nc4 (19.Bd5 cd5 20.Nf3 Bc7+=) 19...Bc7= 20.Qb3 Nf6 21.Nd2 Rbd8 22.g3 Bb8 23.a4 h5 24.a5 a6 25.Rb1 Rd7 26.Nc4 h4 27.Nb6 Rc7 28.Na8 Rd7 29.Nb6 (29.gh4 Ne4 30.Bg4 Bh2 31.Kg2 Rd6–+) ½–½. Ehrlich,Hans Georg (1865) – Kuhlenbaeumer,Alfred (1840), Verbandsliga Muensterland, 2006.

9.a3 Ba5 10.d3 Qe7 11.Nbd2 Rad8 12.Nb3 Bb6 13.Nfd4 Be2 14.Qe2 a5 (14...Bd4 15.Nd4 Nd4 16.Bd4+=) 15.Nc6 bc6 16.Qd2 a4 17.Nd4 Bd4 18.Bd4 c5 19.Bf6 Qf6 20.Qa5 Rb8 (20...Qc6 21.Rab1=) 21.Qa4 Rb6?? (better is 21...Ra8 22.Qb3 Qe5+=) 22.Qe8 1–0. Faybish,Benjamin – Slivka,David, Prague CZE, European Ch Boys U8, 2012.

9.a3 Bc5 10.Nc3 a6 =.

9.a3 Bc5 10.d3 d4=+ 11.e4 Nh5 (11...Qd6 12.Nbd2=+) 12.h3 (12.Nd4 Bd4 13.Bg4 Bb2=) 12...Bd7 (12...Bc8!?=+) 13.Nd4= Bd4 (< 13...Nd4 14.Bh5 Qg5 15.Bg4 Bg4 16.Qg4 Qg4 17.hg4 Nc2 18.Rc1 Na1 19.Rc5+=) 14.Bd4 Nd4 15.Bh5 Ba4 (15...Qg5 16.Bg4 Bg4 17.hg4=) 16.Ra2 Re5 17.f4 Rc5 18.Bf7?? (better is 18.Rf2+=) 18…Kf7–+ (18...Kf7 19.Rf2 Qf6–+) 0–1. Kessler,Meinrad – Schulz,Hans_Juergen, TT–10.24 ETC, 2003.

9.a3 Bc5 10.d4 Bd6 11.Nbd2 Ne4 12.c4 Nd2 13.Nd2 Qh4 14.g3 Be2 15.Qe2 Qg5 16.Qf3 dc4 17.Nc4 Qg6 18.Rfc1 Re4 19.Rab1 Rae8 20.Bc3 Nd8 21.Bb4 R4e6 22.h3 Qd3 23.Bd6 cd6 24.Rb5 R8e7 25.Qf5 Qf5 26.Rf5 Rc7 27.Kg2 Kf8 28.Rb5 Ke7 29.d5 Re4 30.Rb4 f5 31.f3 Re5 32.Rd1 a5 33.Na5 Rc2 34.Kf1 Re3 35.Re1 Re1 36.Ke1 Rc3 37.Rb3 Rc7 38.Rb6 Rc3 39.Ke2 Ra3 40.Nb7 Nf7 41.Rb5 Ng5 42.Rb6 Nf3 43.Nd6 Nd4 44.Kf2 Ra5 45.Nc4 Rd5 46.Rb7 Rd7 47.Rb6 Ne6 48.Ne5 Rd5 49.Nc6 Kf6 50.Nb4 Rd8 51.Ke3 g5 52.Nd3 Re8 53.h4 h6 54.hg5 hg5 55.Nc5 Kf7 56.Nb7 Ra8 57.Nd6 Kf6 58.Nb5 Rc8 59.Nd4 Re8 60.Kd3 Re7 61.Ke3 g4 62.Kd3 f4 63.gf4 g3 64.Ke3 Kf7 65.Nf5 g2 66.Kf2 Nf4 67.Ne7 Ke7 68.Rh6 Kd7 69.Rh4 Nd3 70.Kg2 Ke6 71.Kf3 Kd5 72.Ke3 Nc5 73.Kd2 Ne4 74.Kd3 ½–½. bambinik (2515) – Fire Storm (2480), 2003.

9.a3 Be7 10.d3 a6 11.Nc3 =.

9.a3 Be7 10.d3 Qd7 11.Nbd2 Qe6 12.c4 dc4 13.Nc4 Nd5 14.Rc1 Bf6 15.Bf6 Nf6 16.d4 Rad8 17.Qb3+= b6 18.Qc2 h6 19.Ncd2 Nd4 20.Nd4 Rd4 21.ed4 Qe2 22.Nc4 Qc2 23.Rc2 Bf5 24.Rcc1 Re7 25.Rfe1 Be6 26.Ne5 a6 27.f4 Bd5 28.g3 h5 29.Kf1 Kf8 30.Ke2 Ne4 31.Kd3 Nf2 32.Kc2 Ne4 33.Kd3 Nf2 34.Kc2 Ne4 35.Re3 Nd6 36.Rce1 Re6 37.Nd7 Kg8 38.Re6 Be6 39.Nb8 Nb5 40.Na6 Nd4 41.Kc3 Nb5+= 42.Kb4 Nd4 43.Kc3 Nb5 44.Kb2 c6 45.Rd1 g6 46.Rd8 Kg7 47.a4 Na7 48.Nc7 Bh3 49.Rb8 Nc8 50.Na8 b5 51.a5 (51.a5 Na7 52.Rb7+–) 1–0. Gierth,Karlheinz (2215) – Peetoom,Frank (1790), RSS7E pro–14, 2004.

9.a3 Be7 10.d3 Bf3 11.Bf3 Bd6 12.Nd2 Ne5 13.Be5 Be5 14.d4 Bd6 15.c4 c6 16.Qc2 dc4 17.Nc4+= Bc7 18.a4 Qe7 19.Rfb1 Rab8 20.a5 h6 21.Rb3 Ne4 22.Rab1 Nd6 23.Nd6 Bd6 24.e4 Bc7 25.e5 Ba5=+ 26.Qf5 Bb6–/+ 27.Be4 g6 28.Rg3? Qe6?? 29.Qf4 Kg7 30.Rd1 Rbd8–/+ 31.Bc2 c5 32.Rh3 h5 33.Bb3 c4 34.Ba4 Bc7?? 35.Be8+/– Re8 36.Qe4 b5 37.f4 Bb6 38.Kh1 b4 39.d5 Qc8 40.e6 fe6?? 41.Rg3+– (41.Rg3 Kf8 42.Qg6+–) 1–0. epiglotis (2510) – hrenette (2370), net–chess.com, 2003.

9.a3 Be7 10.d4 Ne4 11.c4 dc4 12.Bc4 Bd6 13.h3 Bh5 14.Nc3 Nc3 15.Bc3 Rb8 16.Be2 Bg6 17.Qa4 Be4 18.Nd2 Bd5 19.Bf3 Bf3 20.Nf3 Ne7 21.Qa7 b5=+ 22.Rfb1? Nc6–+ 23.Qa6 Rb6 24.Qb6 cb6 25.Rb5 Bc7 26.a4 Na5 27.Re1 Nc4 28.e4 Nd6 29.Rd5 Qa8 30.Ne5 Ne4! 31.Rd7 Be5 32.de5 Nc3 33.Rd3 Qa5 34.Ree3 Nd5 35.Re4 b5 36.ab5 Qb5 37.Red4 Re5 38.f4 Nf4! 39.Rd8 Re8 40.Re8 Qe8 41.Kh2 Nd3 (41...Nd3 42.h4 Nf4 43.Kg3 Qe3 44.Kg4 h5 45.Kf5 g6 46.Kf6 Nd5) 0–1. jammboy – labackna, ChessWorld.net, 2006.

9.a3 Bf8 10.d4 a6 11.Nbd2 Na5 12.c4 c5 13.cd5 cd4 14.Bd4+= Nd5 15.Qb1 b5 16.Bd3 h6 17.Ne5 Be6 18.Bh7 Kh8 19.Bf5 Kg8 20.Ndf3 Bf5 21.Qf5 Qf6 22.Qd3 Qe6 23.Rfd1 Nf6 24.Qc3 Nb3 25.Rab1 Nd4 26.Rd4 Rac8=+ 27.Qa5 Qa2 ½–½. Labahn,Wolfgang – Zurgeissel, Paderborn GER, 1988.

9.a3 Bf8 10.d4 Bd6 11.c4+=.

9.a3 Bf8 10.d4 g6 11.Nbd2= Bg7 (11...Ne4 12.c4=) 12.c4 Ne4 (12...dc4 13.Bc4 Qd6 14.Rc1+=) 13.Rc1 (13.Ne4 de4 14.Nd2 Be2 15.Qe2 Rb8+=) 13...Nd2= 14.Qd2 dc4 15.h3 Bf3 (15...Be6 16.Bc4 Bc4 17.Rc4+=) 16.Bf3+= Ne5 17.Bb7 Rb8 18.Ba6 (18.Be4 c5+=) 18...Nd3= 19.Rc2 Nb2 20.Rb2 Rb2 21.Qb2 c5 22.Bc4 cd4 23.Qb3 (23.Qb7 Qe7 24.Qe7 Re7 25.ed4 Rc7=) 23...Qc7 24.ed4 Bd4 25.Rd1 Rd8 26.Rd3 (26.Bd5 Qf4=) 26...Bf6 (26...Kg7 27.Qc2=) 27.Rf3 (27.Rd8 Bd8 28.g3 Bf6=) 27...Qe7 (27...Rd4 28.Bf1 Kg7 29.Rc3=) 28.g4 (28.Re3 Qd7=) 28...h6 29.Kg2 (29.Qe3 Qe3 30.Re3 Rd4=) 29...Kg7 30.Bd5 Rd7 31.a4 (31.Rd3 Be5=) 31...Qe5 (31...Qc5 32.Bc4+=) 32.Bc6 (32.Rd3 Rc7=) 32...Rc7 (32...Rd2 33.Qe3 Qd6 34.Qf4+=) 33.Bd5 Rd7 (33...Qd4 34.Re3=) 34.Rd3 (34.Bc6 Rd2+=) 34...Qb2 (34...Qg5 35.Bc6 Rc7 36.Rd7 Rd7 37.Bd7=) 35.Qd1 (35.Qb2 Bb2 36.f4 a5=) 35...Rc7 (35...Qb4 36.Bc6 Re7 37.Rd7=) 36.Bb3 (36.Rb3 Qe5=) 36...Rc1 (36...a6 37.Qf3=) 37.Qf3 Rc7 (37...Qb1 38.Rd1 Rd1 39.Bd1=) 38.Qd5 Qe5 39.Qf3 (39.Qe5 Be5 40.Kf3 Re7=) 39...Qb2 (39...a6 40.Qe3=) 40.Qd5 (40.Re3 Qd4=) 40...Qe5 (40...Qc1 41.Re3=) 41.Qa8 (41.Qe5 Be5 42.Kf3 Re7=) 41...Qc5 ½–½. Eftimakis,Dimitros (2140) – Fragkou,Eleni (1860), Nikea op, 2011.

9.Na3 Qe7 10.Nb5 a6 11.Bf6+= gf6 (11...Qf6? 12.Nc7 Rac8 13.Ne8 Re8 14.c3+–) 12.Nbd4 ½–½. Schmidbauer,Josef – Kuehlwein,Ralf, Nord Bayern–ch, 2001.

9.Na3 Qe7 10.Nb5 Ne4!? 11.a3 Ba5=.

9.Na3 Qe7 10.Nb5 Ne4 11.c3 Ba5 12.d3 Nf6 13.Nfd4 Be2 14.Qe2 Nd4 15.Nd4 c6 16.Nf3 Rad8 17.a4 Nd7 18.Ba3 Qf6 19.Bb4 Bc7 20.a5 c5 21.Ba3 Ba5 22.Bc5 Bc3 0–1. Bravo Ardila – Castello Benavent, corr Spain 1987–89.

9.Bb5 Ne4 10.Be2 Qd7 11.d3 Nc5 12.Nd4 Be2 13.Ne2 Re7?? (better is 13...Ne6+=) 14.c3+/– Ba5 15.Ba3 b6 16.d4 Ne4 17.Be7 Ne7 18.Qc2 h5 (18...Qf5 19.Qb2+/–) 19.Nd2 Ng5 20.f4 Nh7 21.Rf3 Re8 22.Re1 Nf6 23.Nc1 Qc6 24.e4 (24.Nb1!?+/–) 24...Nf5+= 25.Ncb3 de4 26.Rfe3 (better is 26.Rh3 Bb4 27.Nf1=) 26...Ne3–/+ 27.Re3 Nd5 28.Re4 Bc3 29.Re5? (better is 29.Nb1!?–/+) 29...Nf4–+ 30.Re8 Qe8 31.Ne4? (31.Nf3–+) 31...f5 32.g3 Nd5 (32...fe4?! 33.gf4 Qc6 34.d5–+) 33.Nc3 (33.Ned2 Qe1 34.Nf1 Qf1 35.Kf1 Ne3 36.Ke2 Nc2 37.Kd3 Nd4 38.Kc3 Nb3 39.ab3–+) 33…Qe1 (33...Qe1 34.Kg2 Ne3 35.Kh3 Nc2–+) 0–1. Fischbach,Rainer (1670) – Otto,Andreas (2145), Leipzig VfB op, 2006.

9.c3 Ba5 10.d3 Bb6 11.Nbd2 Ne5 12.Ne5 Be2 13.Qe2 Re5 14.Nf3 Re8 15.Qc2 c5 16.Rfd1 d4? (better is 16...Qd6!?=) 17.cd4+/– cd4 18.Nd4 Rc8 19.Qa4 Bd4 20.Qd4 (worse is 20.ed4 Re2 21.Ba3 Ng4+=) 20...Qa5 21.Qf4 Re6 22.Bf6 Rf6 23.Qe4 Qc7 24.Rab1 b6 25.d4 Rh6 26.h3 Re6 27.Qd3 Rc6 28.a4 Rc3 29.Qb5 Rc2 30.d5 Qd6 31.Qb4 Qf6 32.Qe1 Rd8 33.Rbc1 Rdc8 (better is 33...Rc1!? 34.Rc1 Rd5 35.Rc8 Rd8+=) 34.Rc2+/– Rc2 35.Rc1 Qb2 36.Rd1 Re2 (36...Qf6 37.e4 Qd8+/–) 37.Qf1+– Rd2 38.Qe1 Re2 39.Qf1 Rd2 40.Rd2 Qd2 41.Qc4 g6 42.Qd4 (better is 42.g3+–) 42...Qd4+= 43.ed4 Kf8 44.f4 Ke7 45.Kf2 Kd6 46.Ke3 Kd5 47.Kd3 h5 48.g4? (better is 48.g3=) 48...hg4–+ 49.hg4 f6 50.Ke3 a6 51.Kd3 b5 52.a5 (52.ab5 ab5 53.Kc3 f5 54.gf5 gf5–+) 52...b4 (better is 52...f5 53.gf5 gf5–+) 53.f5 gf5?? (53...g5 54.Kc2 Kd4–+) 54.gf5+= b3 55.Kc3 b2 56.Kb2 Kd4 57.Kb3 Kc5 58.Kc3 Kd5 59.Kb4 Kd4 60.Kb3 Ke5 61.Kc4 Kf5 62.Kc5 Ke6 63.Kb6 Kd6 64.Ka6 Kc6 65.Ka7 Kc7 ½–½. tightfist (2350) – edqwerty (2470), net–chess.com, 2013.

9.Nc3 Qe7 10.h3 Bh5 11.a3 Ba5 12.Rb1 Rad8 13.d3 a6 14.Nh4 d4 15.Bh5 dc3 16.Bc1 Nh5 (16...Qe6 17.Bf3= (< 17.Rb7 Bb6–/+)) 17.Qh5 Bb6 18.Nf3 Qf6 (18...g6 19.Qg4+=) 19.Ng5+/– Qf5 20.g4 Qg6 21.Qg6 fg6 22.Ne4 Ne5 (22...Ba5 23.Rb3+/–) 23.Nc3+– Ba5 24.Ne2 Nf3 25.Kg2 Ne1 26.Re1 Be1 27.Rb7 Ba5 28.e4 Kf7 29.f4 Bb6 30.Kf3 Rb8 31.Rb8 Rb8 32.d4 c6 33.e5 Bd8 34.Ke4 Be7 35.c4 Rb3 36.d5 cd5 37.cd5 Ba3 38.Be3 Rb4 39.Nd4 Bb2 40.d6= Bd4 41.Bd4 Ke6? 42.f5 gf5 43.gf5 Kd7 44.Kd5 Ke8 45.Bc5 Rb1 46.e6 Kd8 47.Kc6 1–0. marekt – GermanPaul, ChessWorld.net, 2003.

9.c4 a6 10.cd5 Nd5 11.a3 Bf8 12.Nc3 Nb6 13.Nd4 Be2 14.Nde2 Nc4 15.Bc1 b5 16.Qc2 N6a5 17.d3 Nb6 18.Bb2 c5 19.Rad1 Qh4 20.Nf4 Rad8 21.Na2 Na4 22.Bc1 Bd6 23.Nc3 Nc3 24.Qc3 b4 25.ab4 cb4 26.Qa1 Bf4 27.ef4 Qh5 28.Be3 Qb5 29.Qb2 Nc6 30.d4 Rd5 31.Rc1 Red8 32.f5 a5 33.f6 gf6 34.Rc5 Rc5 35.dc5 Ne5 36.Bd4 Rd5 37.f4 Nd3 38.Qa1 b3 39.Be3 b2 40.Qd1 f5 41.Qc2 Rc5 42.Qb1 Rc1 0–1. Svensek,Marjan (2050) – Mencinger,Vojko (2355), Pokal Slovenije – finale, 2002.

9.c4 Rb8 10.Nc3 Bf3 (10...dc4 11.Bc4 Bf3 12.gf3–/+ Ne5 13.Be2 Nd3 14.Qc2 Nb2=+) 11.Bf3=+ dc4 12.Bc6 bc6 13.Rc1 (13.a3 Be7 14.Ra2 Qd3=+) 13...Qd6 (13...Qd3 14.Qc2 Nd5–/+) 14.Rc2 (14.Na4 Re4 15.Bf6 Qf6= (< 15...gf6 16.Qf3 f5 17.Rb1+=)) 14...Rbd8 (14...Qd3 15.Ne2 Nd5 16.Nc1=+) 15.f3 (15.Qf3 Qd3 16.Rfc1 Nd5=+) 15...Bc3 (15...Nd5 16.Qc1 Bc3 17.Bc3 Nc3 18.dc3–/+) 16.Bc3 c5 17.Bf6 Qf6 18.Qc1 Rd5 19.Rc4 Qd6 20.Rc2 Rh5 21.g3 Re6 (21...Rd5 22.e4 Rd4 23.a3=) 22.Rb2 c6 23.Qc4 Re8 24.Rb7 Re7 25.Rfb1 g6 26.Qc3 Rhe5 27.f4 R5e6 28.Kf2 ½–½. Roczniak,Jan – Piastun,Z, corr Poland, 1985.

9.c4 d4 10.Nd4 Nd4 11.Bg4 Ng4 12.Qg4 Ne6 13.d4 Bf8 (13...Qf6 14.Bc3 a5 15.a3+/–) 14.Nd2 (14.Rd1 Qd7+/–) 14...Nc5 (14...Qe7 15.Rab1+/–) 15.Rad1 (15.Rfd1 Na4 16.Rab1 Nb2 17.Rb2 b6+/–) 15...Na4 16.Ba1 b5 (16...Bb4 17.Nf3+/–) 17.d5 (17.cb5 Qd5+–) 17...b4 (17...Nc5 18.cb5 Qd5 19.Nb3+/–) 18.Ne4 Kh8?? (better is 18...h5 19.Qf3 Rb8+–) 19.Ng5 Re7 1–0. Diamant,Andre (2505) – De Paula,Guilherme Bueno (1880), Championship Goiano Absoluto STD – Fase, 2016.

9.c4 Qd6 10.a3 Ba5 11.d4 dc4 12.Bc4 Ne4 13.Qb3 Bf3? 14.Bf7+/– Kh8 15.Be8 Bg2+= 16.Kg2 Re8 17.Qb5 Qg6= 18.Kh1 Qg4 19.f3 Qh3?? 20.fe4+– Qe3 21.Qf5 h6 22.Rf4 Qe1 23.Kg2 Bb6 24.Qh5 Rd8 25.d5 Qg1 26.Kh3 Nd4 27.Qh4 Re8 28.Nc3 Qe3 29.Qg3 Qd2 30.Raf1 Bc5 31.R1f2 Qe1 32.Ne2 Qd1 33.Rg2 (33.Rg2 Qb3 34.Bc3+–) 1–0. b4_player – unsightly, gamecolony.com, 2006.

9.c4 Qd6 10.a3 Ba5 11.d4 Ne4 12.cd5 Qd5 13.Qc2 Ne7 14.Bc4+/– Qc6?? 15.Ne5+– Qf6 16.Bf7 Kh8 17.Be8 Bf5 18.Bd7 Ng3 19.Bf5 Nf1 20.Bh7 Nh2 21.d5! Qh4 22.Nf7# 1–0. marekt – Lucena, ChessWorld.net, 2004.

9.c4 Qd7 10.Bf6 gf6 11.a3 Bf8 12.d4 dc4 13.Bc4 Bg7 14.Nbd2+/– f5 15.Qb1 f4 16.Ng5 Bh5?? 17.Qh7+– Kf8 18.Qh5 (18.Qh5 Re7 19.Nde4+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

9.c4 Bf3 10.Bf3 dc4 11.Qa4 Ne4 Increases the pressure on the backward pawn 12.Be4? (better is 12.a3!? Bd6 13.Qc4+=) 12...Re4–/+ 13.Nc3 (13.a3 Ba5–/+ (worse is 13...Bd2 14.Rd1+=)) 13...Rh4 14.Rfd1 Qd3 15.Rac1 Rd8 (15...a6 16.Ba3 Ba5 17.Qc2–+) 16.Qb5–/+ Rh6 17.Nb1 Qd6 (17...Bd6 18.f4+=) 18.h3+= Qg6 19.Rc4 (19.Qb7 Rb8 20.Qa6 (20.Qc7? Bd6 21.Qd7 Rb2–+) 20...Rh3 21.Qc4+=) 19...Qd3?? (better is 19...Rh3! 20.Ba3 Ba3 21.Na3 Rh6–+) 20.Rb4+/– Nb4 21.Qb4 Rg6 22.Qc3 (22.Rc1 Rd7+/–) 22...Qd5+= 23.g3 Qh5 24.Rc1 Qh3 (24...c6!?+=) 25.Qc7+/– Re8 26.Qf4 (26.Qb7 Rb6 27.Qa7 Rb2+=) 26...Rh6 27.Qf3 Rc8 (27...Qh2 28.Kf1+/–) 28.Nc3 (28.Rc8 Qc8 29.Nc3+–) 28...b5? (28...Qh2 29.Kf1 Qh3 30.Ke2+/–) 29.Qg2 (29.Nb5 Qh2 30.Kf1 Qh3 31.Ke1 Rc1 32.Bc1 Qc8+–) 29...Qd7 (29...Qg4 30.Ne2+/– (30.Nb5?? Rc1 31.Bc1 Qd1 32.Qf1 Rh1 33.Kh1 Qf1 34.Kh2 Qf2 35.Kh1 Qf1 36.Kh2 Qb5–+)) 30.Rd1 (better is 30.Nb5!? Rc1 31.Bc1+–) 30...b4 (30...Rd6 31.Qf3 f5 32.d4+/–) 31.Nd5 Rd6 32.e4 (worse is 32.Nb4 Qg4 33.Rc1 Rc1 34.Bc1 Qd1 35.Qf1 Qf1 36.Kf1 a5+=) 32...f5 (32...Qa4 33.Ra1 Rc2 34.Ne7 Kf8 35.Nf5 Rdd2 36.Bg7 Ke8 37.e5+–) 33.d3 (33.Nb4 Rd2 34.Rd2 Qd2–/+) 33...Rc2 34.Rb1 Qa4? (34...fe4 35.de4 Qe6 36.a3+/– (worse is 36.Nb4 Rb2 37.Rb2 Rd1 38.Kh2 Qh6 39.Qh3 Rh1 40.Kh1 Qh3 41.Kg1 Qe6+=)) 35.Qf1 (better is 35.Ne7 Kf7 36.Nf5 Rd3 37.Qh3+– (37.Bg7?! Ra2 38.Rf1 Rad2+–)) 35...Qa2?? (better is 35...fe4 36.de4 b3 37.ab3 Qe4+/–) 36.Nb4+– Qa4 37.Nc2 (37.Qd1 Rb2 38.Qa4 Rb1 39.Kg2 Kf8+–) 37...Qc2 38.Ba3 (38.Qc1 Qc1 39.Rc1 Rd3 40.Rc8 Kf7 41.Rc7 Ke6 42.ef5 Kf5 43.Ra7 g5+–) 38...Rd3 39.Rb2 Qc3 (39...Qd1 40.Rb8 Kf7 41.Rf8 Kg6 42.ef5 Kh5 43.Qd1 Rd1 44.Kg2 Rd3+–) 40.Rb8 Kf7 41.Bb2 (better is 41.Rf8 Ke6 42.ef5 Kd7 43.Qe2 Rg3 44.Kh2 Rh3 45.Kg2 Qf3 46.Qf3 Rf3 47.Kf3+–) 41...Qc2 42.Kg2 (42.ef5 Rd1 43.Rb7 Ke8 44.Rb8 Kd7 45.Bg7 Rf1 46.Kf1 Qd1 47.Kg2 Qd5 48.f3 h5–/+) 42...fe4 (42...Rd1 43.Rb7 Kg8 44.Rg7 Kf8 45.Rc7 Qe4 46.f3+–) 43.Qa1 (43.Qa1 Qd1 44.Qa7 Rd7 45.Qc5+–) 1–0. Franch Guiral,Ramon (2010) – Marches Rios,Joan Manuel (2135), 3rd Tancats d'Estiu del Maresme, 2010.

9.c4 Bf3 10.Bf3 dc4 11.Bc6 bc6 12.Qc1 Re4 13.Nc3 Re6 14.a3 Bc3 15.Qc3 Rb8 16.Rab1 Qd3 17.Qd3 cd3 18.Bf6 Rb1 19.Rb1 gf6 20.Rb8 Kg7 21.Ra8 c5 22.Ra7 Re4 23.Rc7 Ra4 24.Rc5 Ra3 25.Rc1 Ra2 26.Rd1 f5 27.f4 Kf6 28.g3 Ke6 29.Kf2 Kd5 30.Kf3 Rb2 31.Kg2 Ke4 32.Kf2 h6 33.h3 h5 34.h4 Ra2 35.Kg2 Rc2 36.Kf2 Ra2 37.Kg2 Rc2 38.Kf2 Ra2 (Game drawn by repetition) ½–½. Bonetti,Shane – Celes (2155), ICC, 2002.

9.c4 Bf3 10.Bf3 dc4 11.Bc6 bc6 12.Qc2 Rb8 13.Qc4 Qd5 14.Qc2 Ng4 15.h3 Ne5 16.Be5 Re5 17.Nc3 Bc3 18.dc3 Rg5 19.f4 Rg6 20.Rab1 Re8 21.e4 Qc4 22.Rb4 Qc5 23.Kh2 Rd6 24.e5 Rdd8 25.Rb7 a5 26.Rf3 Rd7 27.Qe4 Rd1 28.Re3 Rd5 29.Rc7+/– Qb6 30.c4 Qc7 31.cd5 cd5 32.Qd5 Rd8 33.Rc3 Rd5 34.Rc7 g5 35.Kg3 gf4 36.Kf4 Rd2 37.a3 Rf2 38.Ke4 Rg2 39.Ra7+/– Rh2 40.Ra5 Rh3 41.a4 h5 42.Ra7 Ra3 43.Ra8 Kh7 44.Kd5 h4 45.Ra7 Kg6 46.Ra6 Kg7 47.e6 h3 48.ef7 Rf3 49.Rb6 h2 50.Rb1 Rf2 51.Rh1 Kf7 52.a5 Kf6 53.a6 Kf5 ½–½. Pierred – Born to be wild (2705), Friendly Game, 2005.

9.c4 Bf3 10.Bf3 dc4 11.Bc6 bc6 12.Qc2 Qd3 13.Rc1 Red8 14.Bf6 gf6 15.a3 Ba5 16.Qc4 Qg6 (Better is 16...Qc4!? 17.Rc4 Rab8+/–) 17.d4 Rd5 18.Qc6 Rg5?? (18...Rad8+–) 19.Qa8 (19...Kg7 20.Nc3+–) 1–0. Trkn – guest2179, ICC, 2004.

9.d3 Ba5 10.Nbd2 Bb6 (10...Qe7 11.Rb1 (11.a3 Rad8 12.Rb1 Bb6 13.Re1 Bc8 14.Nb3 a5=; 11.h3 Be6 12.Rb1 Rab8 13.a3 Bb6 14.Nb3 a5=) 11...Rab8 12.c4 Be6 13.Qc2 Bb4 14.Rfc1 Nd7=) 11.c4 (11.Rb1 Qe7 12.c4 Rad8 13.Re1 d4 14.ed4 Nh5+–; 11.Re1 Be6 12.d4 Ba5 13.c3 Ne4 14.Ne4 de4=; 11.h3 Be6 12.Nb3 Qe7 13.a4 Na5 14.Ba3 Qd8=; 11.a3 Rb8 12.Rb1 Qd6 13.Nb3 a5 14.c4 dc4=; 11.Nb3 a5 12.a4 Qe7 13.Ba3 Qd7 14.Bb2 Qf5=; 11.a4 d4 12.ed4 Nd4 13.Nd4 Bd4 14.Bg4 Bb2=+; 11.Rc1 Qd6 12.Rb1 a5 13.c4 Rad8 14.d4 Qe6=) 11...dc4 (11...d4 12.c5 Bc5 13.Nb3= Bb6 14.Nfd4 Be2=) 12.Nc4 Nd5 (12...Be6 13.Ng5 Bd5 14.Bf3 Bf3=) 13.d4 (13.Re1 Bc5 14.a3 Rb8=) 13...Qf6 (13...Qe7 14.Rc1 Nf4=) 14.Nfe5 (14.a4 Na5=) 14...Ne5 (14...Be2=) 15.Ne5 Be2 16.Qe2 h6 17.Rac1 Rac8 18.e4+= Nf4 19.Qf3 Rcd8 20.Rfd1+= c6 21.Nc4 Bd4 22.Rd4 Rd4 23.Bd4 Qd4 24.Qf4 Re4 25.Qb8 Kh7+= 26.h3 Re2 27.Qg3 Ra2 28.Nd6 Rd2 29.Nf7 Rd1 30.Rd1 Qd1 31.Kh2 Qd5 32.Ne5 c5 33.Qg6+/– Kh8? 34.Nf7+– Kg8 35.Nh6 Kf8 36.Nf5 Qe5 37.g3 b6 38.h4 a5 39.Nd6 Qe7 40.Nc8 (40.Nc8 Qf7 41.Qf7 Kf7 42.Nb6+–) 1–0. Rosner,Dirk – Weber,Achim, DESC, 2000.

9.d3 a6 10.a3 Bd6 11.Nbd2 Be6 12.Qc1 Qe7 13.c4 Rab8 14.Qc2 dc4 15.Nc4 Bc4 16.Qc4 Ne5 17.Ne5 Be5 18.Be5 Qe5 19.d4 Qd6 20.Rfc1 c6 21.Bf3 ½–½. Schirmer,Michael – Boettger,Hellmuth, DESC, 2001.

9.d3 a6 10.Nbd2 Rb8 11.c4 d4 12.a3 (12.Nd4 Be2 13.Ne2 Qd3 14.Bf6 Qd2 15.Bd4 Nd4 16.Nd4 Rbd8=) 12...de3 (12...Bc3 13.Bc3 dc3 14.Nb1 c2 15.Qc2 Bf5 16.Nbd2 Qd7+/–; 12...Ba5 13.ed4 (13.h3 Bf3 14.Bf3 de3 15.Nb3 ef2 16.Kf2 Qe7–/+) 13...Qe7 14.Ne5 Be2 15.Qe2 Nd7 16.Nb3 Bb6+=) 13.fe3 (< 13.ab4 ed2 14.Qd2 Nb4=+ 15.Rfe1 c5 16.Be5 Ne4=+) 13...Bd6 (13...Bc5 14.d4 Ba7 15.Kf2 Bf5 16.h3 Qe7–/+) 14.Ne1 Ne5 (14...Be5 15.Be5 Ne5 16.d4 Be2=+) 15.Nc2 (15.Rb1 Qd7 16.Nc2 Be2=+) 15...Be2 (15...b5 16.cb5 ab5=) 16.Qe2 Nd3 (16...b5 17.cb5 ab5 18.a4=; 16...c5=) 17.Bf6 gf6 18.Qg4 Kh8 19.Ne4 Rg8 20.Qh4 Rg6 21.Nf6 (< 21.Rf6 Nc5 22.Nc5 Rf6–+ (< 22...Qf6 23.Qf6 Rf6 24.Nd7 Bh2 25.Kh2 Rh6 26.Kg1+=); < 21.Nd6 Qd6 22.Rad1 Qc6=+) 21...h6 22.Rad1 Be5 23.Qe4 Rf6 24.Rf6 Qf6 (< 24...Bf6 25.Rd3 Qe8 26.Qf4+/–) 25.Qd3 Qh4 26.h3 (26.g3 Rg8 27.Kh1 Qh3–/+) 26...Qg3 (26...Rg8 27.Qd5 Qg3 28.Qe4=+) 27.Qe4= Rg8 28.Ne1 (28.Kf1 b6=). Chatterjee – Malmstroem,Jan, email 4AMM–F, 1998.

9.d3 a6 10.Nbd2 Qe7 11.Rb1 Rab8 12.Nd4 Be2 13.Nc6 bc6 14.Qe2 Ba3 15.Bd4 Rb1 16.Rb1+= Bc5 17.Bf6 Qf6 18.d4 Bd6 19.Qa6 c5 20.Qa4 cd4?? 21.Qe8+– Bf8 22.Rb8 h6 23.Qf8 (23.Qf8 Kh7 24.ed4+–) 1–0. MrkT – corkchessman, internet, 2005.

9.d3 Qd7 10.Nbd2 Bd6 11.c4 Ne5 12.c5 Nf3 13.gf3 Bh3 14.cd6 Bf1 15.Nf1 Qd6 16.Ng3 Rad8 17.Rc1 c5 18.Ba3 b6 19.d4 Rc8 20.Bb5 Red8 21.Qc2 Qe6 22.dc5 bc5 23.Bc5 h5 (23...a6!? 24.Bd3 Nd7 25.Bh7 Kh8+/–) 24.Qb2 h4 25.Ne2 Qf5 26.Nd4 (26.Ba7?! Qf3 27.Nf4 Ne4+/–) 26...Qg5 27.Kf1 h3 (27...Qe5+–) 28.Nc6 (28.Ba7?! Rc1 29.Qc1 Qg2 30.Ke2 Qh2+–) 28...Qg2 29.Ke2 Qh2 (29...Rc6 30.Bc6 Qh2 31.Ba7+–) 30.Ne7 Kh8 31.Qd4 Rb8 (31...Nh7 32.Bd3 Rc5+–) 32.Qh4 Nh7 33.Bd3 g6 (33...Qf2 34.Kf2 f5 35.Bf5 Rb2 36.Rc2 Rc2 37.Bc2 d4 38.Qh7) 34.Bd4 1–0. usingprogram (2045) – bertchuck, kurnik, 2013.

9.d3 Qd7 10.Nbd2 Rad8 11.Rb1 a5 12.a3 Bd6 13.Bf6 gf6 14.Rb7 Kh8 (better is 14...Ba3!? 15.Qa1 Qe7+/–) 15.Qa1+– Qf5 16.Qc3 Ne7 17.Rfb1 Rg8 18.g3 Qh5 19.Qf6 Rg7 20.c4 Kg8 21.Rb8 Rc8 22.Nh4 Qe5 (22...Rg5 23.Rc8 Nc8+–) 23.Qe5 Be5 24.Bg4 Rg4 25.Rc8 Nc8 26.Rb8 1–0. usingprogram (2045) – okhorange, kurnik, 2013.

9.d3 Qd7 10.Nbd2 Qe6=+ 11.h3 Bh5 12.c4 Rad8 13.cd5 (13.a3 Bd2 14.cd5 Qd5 15.Bf6 Rd6 16.Bg7 Bf3 17.Bf3 Qd3 18.Bc6 Rc6+=) 13...Nd5 (13...Rd5 14.a3 Bd6 15.Nc4=+) 14.Ng5= Qe7 15.Bh5 Qg5 16.Ne4 Qh6 17.Qf3 Re7 18.a3 Ba5 (18...Bd6 19.Nd6 Qd6 20.Bg4=) 19.Nc5 Bb6 (19...b6 20.Nb7 Rdd7+/–) 20.Nb7+/– Rdd7? (20...Rb8 21.Rfc1 Rb7 22.Qd5 Be3 23.Rc6 Bf2 24.Kh1 Qe3+–) 21.Bg4+– f5 22.Bf5 Rf7 23.Qe4 Rf5 24.Qf5 Nb8 25.Rac1 c6 26.Nc5 Rf7 27.Qc8 Rf8 28.Qe6 Qe6 29.Ne6 Rf7 30.e4 (30.e4 Nf6 31.Rfe1+–) 1–0. Pommerel,Wim – Zuechner, CiF, 1990.

9.d3 Qd7 10.Bf6!? gf6 11.c3 +=.

9.d3 Qd7 10.Bf6 gf6 11.Nbd2 Kh8 12.c4 Rg8 13.cd5 Qd5 (13...Bh3 14.Nh4 (14.dc6? Bg2 15.Ne4 Bf1 16.Ng3 Be2 17.cd7 Bd1 18.Rd1 Rgd8–+) 14...Bg2 15.Ng2–+) 14.Ne4= Be7 15.Ng3 Rad8 16.Ne1 (16.d4 Bd6=) 16...Be2 (16...Be6 17.d4=) 17.Qe2= Ne5 (17...Bd6 18.d4+=) 18.d4+= Ng6 19.Nf3 f5 (19...c5 20.Rab1+=) 20.Rfd1 (20.Qc2 f4 21.e4 Qd7+/–) 20...Rde8 (better is 20...Bd6!?+=) 21.Qd3 f4 22.e4 Qd8 (22...Qd7 23.Nf5+/–) 23.Nf5+– Nh4 24.N5h4 Bh4 25.Nh4 (better is 25.Rab1!? b6 26.g3+–) 25...Qh4+= 26.Qf3 Rg7 27.Kh1 Reg8 28.Rg1 Rg6 29.e5 c6+= 30.Rab1 b6 31.Rbc1 Qh6 32.Rcd1 Rd8 33.d5 cd5 34.Rd5?? Rd5–+ 35.Qd5 Qh2!! (35...Qh2 36.Kh2 Rh6#) 0–1. Falba,Janusz – Kasperski,Marcin (1670), Druzynowe Mistrzostwa Mazowsza Poland, 2012.

9.d3 Bf5 10.Nbd2= Bd6 (10...Qe7 11.a3 Bd6 12.c4=) 11.c4 dc4 12.Nc4 Be7 (12...Bb4 13.a3 Bc5 14.Qb3=) 13.Qb3 b6 (13...Rb8 14.Nd4 Nd4 15.Bd4=) 14.Nfe5 (14.Rfc1 Be6=) 14...Ne5 15.Ne5 Be6 16.Qc2 (16.Qa4 c5=) 16...c5 17.Nc6 Qc7 18.Bf3 (18.Ne7 Qe7 19.a4 Rac8=) 18...Ng4 19.g3 Bf6 20.Bf6 (20.Nd4 Bd4 21.Bd4 Rad8=+) 20...Nf6=+ 21.Nd4 (21.Rac1 Bd5 22.Bd5 Nd5=+) 21...Bd5 22.e4 (22.Rfd1 Qe5 23.Bd5 Qd5=+) 22...Qd7 (22...Qe5 23.ed5 Qd4 24.Qc4–/+) 23.ed5 (23.Ne2 Be6–/+) 23...cd4 24.Qc4 Qf5 (24...Re5 25.d6 Rd8 26.Qd4=+) 25.Kg2= Rad8 (25...Re5 26.Qd4 Nd5 27.Rae1 Re1 28.Re1 Nf4 29.Qf4 Qf4 30.gf4+–) 26.Rfe1 Rf8 27.Re5?? (better is 27.Qd4 Nd5 28.Rac1=) 27…Qe5–+ (27...Qe5 28.Rb1 Rfe8–+) 0–1. Tarira,Walter – Rodrigues,Jose AD, corr Portugal, 1994.

9.d3 h6 10.Nc3 Qd7 11.Nb5 Nh7 12.h3 Bh5 13.Nfd4 Be2 14.Qe2 a6 15.c3 (15.Nc6!? Qc6 16.Qg4=) 15...ab5+= 16.Nc6 Bc3 (worse is 16...bc6 17.cb4 Qd6 18.Rfc1+=) 17.Bc3 Qc6 18.Rfc1 (18.Qb2 Ng5+=) 18...Qd6 (18...Qg6 19.Bd4 c6 20.Rab1–/+) 19.Qg4 (19.Qb2 c6 20.Bg7 Qg6+=) 19...Nf6 20.Bf6 Qf6 21.a4 (better is 21.Qd7!? d4 22.e4=) 21...c6 22.a5 Qe6 23.Qd4 Ra6 24.Re1 Rea8 25.e4 Ra5 26.Ra5 Ra5 27.Qc3 Ra8 28.e5 Re8 29.f4 b6 30.d4 Rc8 31.Qd3 b4 32.g4 White plans f5 (32.f5 Qe7–+) 32...g6 (better is 32...c5!? 33.f5 Qc6 34.f6–+) 33.f5–/+ Qe7 (better is 33...gf5!? 34.gf5 Qe7–/+) 34.fg6+= fg6 (better is 34...Kg7 35.gf7 Rf8+=) 35.Qg6+/– Qg7?? (better is 35...Kh8 36.Qh6 Qh7 37.Qf6 Qg7+/–) 36.Qf5 (better is 36.Qe6 Kh7 37.Qc8+–) 36...Rf8+= 37.Qd3 h5 38.Qg3 hg4 39.hg4 Qe7 40.Kg2 Ra8 41.Qd3 Qg5 42.Qe2 (better is 42.Qf5 Qd2 43.Qf2–+) 42...Ra3 43.Rh1 Re3 44.Qd1 Qf4 45.Rh3 Qe4 46.Kf1 (46.Kh2 Re2 47.Qe2 Qe2 48.Kg3–+) 46...Rh3 0–1. tflk (1745) – donex7 (1810), gameknot.com, 2014.

9.d4 Qd7 10.Nbd2 Bd6 11.c4 Nb4 12.c5 Be7 13.a3 Nc6 14.Qb3 Rab8 15.Bb5 Qf5 16.Ne5 Qe6 17.Qa4 a6 (better is 17...Ne5!? 18.de5 Nd7+=) 18.Bc6+= (worse is 18.Nc6 bc6 (worse is 18...ab5 19.Ne7 Re7 20.Qb5+=) 19.Bc6 Rb2 20.Be8 Rd2+=) 18...bc6 19.Bc3 Be2 20.Rfb1 (worse is 20.Nc6 Bb5 21.Ne7 Qe7+= (worse is 21...Re7 22.Qb3+=)) 20...Bb5 21.Qc2 Nd7 22.f4?? (better is 22.Nd7 Qd7 23.Re1+/–) 22...f6?? (better is 22...Ne5!? 23.fe5 Qh6+=) 23.Nd7 (better is 23.f5 Ba4 24.Qa4 Qf5 25.e4 Rb1 26.Rb1+– (26.Nb1 Qe4 27.Nd7 Qe3 28.Kf1 Qd3 29.Kf2 Bd6–+)) 23...Qd7+/– 24.Rb2 Bc5? 25.dc5+– Re3 26.a4 Rbe8? 27.Nf3 Qg4?? 28.Qf2 Be2?? 29.Qg3 Qg3+= 30.hg3 Bf3 31.gf3?? Rc3–+ 32.Rb7 a5 33.Rc7 Rc5 34.Ra7? Kf8 35.Rb1 Re7 36.Ra6 d4 37.Rd1 Rd7 38.Rb6 d3 39.Rb3 d2 40.Rbb1 Rcd5 41.Kf2 Rd4 42.Rb2 Ra4 43.Rbd2 Rd2 44.Rd2 c5 45.Rc2 c4 46.Ke3 Ra3 47.Ke4 c3 48.Kd4 Ke7 49.Rc3 Rc3 50.Kc3 Kd6 51.g4 Kd5 52.g5 h5 0–1. Kappel,Ray – Sanchez,David, CCLA vs LSS/P01, 2011.

9.d4 Qd7 10.Ne5 Ne5 11.de5 Be2 12.Qe2 Ne4 13.f3 Ng5 14.Nc3 Qc6 (worse is 14...Re5 15.f4 Ne4 16.fe5 Bc3 17.Bc3 Nc3 18.Qd3=) 15.Nb5 Bc5 16.Nd4 Bd4 17.ed4 Ne6 18.f4 Qb6 19.c3 c5 20.Rad1 cd4 21.cd4 Rac8 22.Rf3 Rc4 The pressure on d4 grows 23.Qf2 Rec8 24.h4?? (better is 24.Rb3 Qa6 25.Qf3=) 24...Rc2–+ 25.Rd2 (25.Rb3 Rf2 26.Rb6 Rcc2 (26...ab6?! 27.Kf2 Rc2 28.Ke3 Rb2 29.f5–+) 27.Rb7 Rg2 (worse is 27...Rb2 28.Rb8 Rb8 29.Kf2–+) 28.Kf1 Rgf2 29.Kg1 Rb2 30.Rb8 Rb8 31.Kf2 Rb2 32.Ke3 g6–+ (worse is 32...Ra2 33.f5 Nf8 34.Rd2 Rd2 35.Kd2–+)) 25...Qb2 26.Rfd3 Qc1 27.Kh2 Rd2 28.Rd2 Qa3 29.f5 Nf8 30.f6 Ne6 0–1. Auger,Bertrand (1985) – Sauve,Richard (1930), Quebec Montcalm–ch, 2005.

9.Nd4!? Nd4 10.Bg4 Nc2 11.Qc2 Ng4 12.Qa4 Qd6! 13.g3 Ne5 14.d4 Nf3 15.Kg2 Ne1 16.Kg1 Nd3 17.Bc3 a6 18.Qc2 Bc3 19.Nc3 Nb4 20.Qb3 c5 21.a3 cd4 22.ed4 Nc6 23.Qd5 Qd5 24.Nd5 Rad8 25.Nb6 Nd4 26.Kg2 Nc2 27.Ra2 Rd2 28.Kg1 Ree2 29.Nc4 Rd7 30.Ne3 Rc7 31.Nc2 Rcc2 32.Rb1 Rc7 33.Kg2 f5 ½–½. Suess,Stefan – Woschkat,Karl_Heinz, corr SOK–87–12, 1987.

9.Nd4 Bd7 10.Nc6 Bc6 11.Bd4 Ne4 12.Nc3 Qh4 13.Ne4= de4 14.c3 Bd6=+ 15.g3 Qg5 16.f4 ef3 17.Bf3 Bg3 18.hg3?? Qg3 19.Kh1 Re6 20.Qe2 Rh6 (20...Rh6 21.Qh2 Rh2#) 0–1. Canepa,Diego – Fuentes,Alberto, Villa Ballester open, 1993.

9.Re1 Bd6 10.h3 Be6 11.Nc3 a6 12.Rb1 Qe7 13.Bd3 =+.

9.h3 Bd7 10.c4 dc4 11.Bc4 Na5 12.Be2 Bd6 13.Qc2 Nc6 14.a3 Ne5 15.Ne5 Be5 16.d4 Bd6 17.Bf3 c6 18.Nd2 Be6 19.e4 Bf4 20.Rfe1 Qa5 21.Bc3 Qg5 22.Kf1 Rad8 23.Rad1 Bd2 24.Rd2 (worse is 24.Bd2 Qb5 25.Be2 Bb3–/+) 24…Bc4 ½–½. Fischbach,Rainer (1670) – Eidam,Horst (2005), Leipzig VfB op, 2006.

9.h3 Bf3 10.Bf3 Ne5 11.Be5 Re5 12.c4 Bf8 13.d4 Re6 14.Nc3 dc4 15.Bb7 Rb8 16.Bf3 Reb6 17.Qe2 Rb4 18.Rfc1 Qd7 19.Rc2 a5 20.a3 Rb3 21.Qc4 Ra3 22.Ra3 Ba3 23.Bc6 Qe7 24.Nb5 g6 (24...Qb4 25.e4+/– (25.Nc7? Qb1 26.Kh2 Bd6 27.g3 Bc7–+; 25.Na3?! Qa3 26.Qa2 Qb4+/–)) 25.Bf3 (25.e4 Bb4 26.e5 Nh5+/–) 25...Ne8 26.Bc6 (26.Nc7? Nc7 27.Qa4 Rb1 28.Kh2 Qb4–+) 26...Nf6 27.Bf3 Ne8 28.g3 Qb4 29.Na3 Qa3 30.Qa2 Qb4 31.Rc1 Rb6 32.Ra1 c5 33.dc5 Qc5 34.Qa5 Qa5 35.Ra5 Kg7 36.Kg2 h5 37.Bd5 Nd6 38.Ra7 Rb4? 39.Rd7 Rb6 40.e4 Kf8 41.e5 Ke8 42.Rd6 (42.Rd6 Rd6 43.ed6+–; worse is 42.ed6 Kd7 43.Bf7 Rd6–/+) 1–0. Sieber,M (2020) – Stachon,Martin (2040), TCh–CZE Liga1 Vychod, 2012.

9.Nh4 Be2–/+ 10.Qe2 Qe7 11.c4 d4 12.Nf5+= Qe4 13.Ng3 Qc2 14.Ba3 d3–+ 15.Qd1 Qc4 16.Bb4 Nb4 17.Na3 Qd5 18.Qb3 c5 19.Rfc1 b6 20.Nb5 Nc2 21.Qd5 Nd5 22.Rab1 a6 23.Nd6 Re6 24.Nde4 c4 25.Ng5 Rc6 26.Nf3 b5 27.Ne1 Ne1 28.Re1 c3 29.e4 cd2 30.Rf1 Nc3 (31.Nf5 Re8–+) 0–1. Soderstroem,Peter – Labbe,Regis, corr FRA–SWE team m, 1994.

9.a3 Bd6

10.Nc3 a6 11.Nd4 Bd7 12.Nc6 Bc6 13.Bf3 Be5 14.d4 Bd6 15.Re1 Ne4 16.Ne4 de4 17.Be2 Qg5 18.d5? (better is 18.c4+=) 18...Bd5–+ 19.c4 Bc6 20.Qc2 Re6 21.g3 Rh6 22.Qc3 Rg6 23.Rad1 h5 24.Kg2 h4 25.Kh1 (25.g4–+) 25...hg3 26.fg3 Re8 27.Rd2 (27.Rg1 Be5 28.Qb3 Bb2 29.Qb2 Qe3–+) 27...Rh6 28.Rg1 Bg3 (better is 28...Bc5 29.Rg2 Be3–+) 29.Kg2?? (better is 29.Bd1 Rh7 30.c5–+) 29...Rh2 30.Kf1 Qf5 (30...Qf5 31.Bf3 Qf3 32.Rf2 Qf2#) 0–1. Neumann,Frank – Conti,Federico, OP–2012–0–02122, 2012.

10.Nc3 a6 11.h3 Bf5 12.Nh4 Bd7 13.Nf3 Qe7 14.Re1 Rad8 15.d4 Na7 16.Bd3 Nb5 17.Nb1 c6 18.Ne5 Nc7 19.c4 dc4 20.Nc4 Ncd5 21.Nd6+= Qd6 22.Nd2 Rc8 23.Nb3 Rc7 24.Nc5 Be6 25.Qf3 Qd8 26.e4 Nb6 27.Bc3 Nbd7 28.Ne6 Re6 29.Rab1 Qe7 30.Ba5 b6 31.Bb6 Rb7 32.Ba5 Rb1 33.Bb1 c5 34.Qd1 cd4 35.Bb4 Qe8 36.Qd4 Ne5 37.Bc3 Qc8 38.f4+– Nc6 39.Qd3 Nd7 40.Ba2 Rg6 41.Rd1 Nc5 42.Qc4 Qe6 43.Qe6 fe6 44.Rd6 Rg3 45.Be1 Ra3 46.Rc6 Ra2 47.Rc5 Re2 48.Bc3 Re4 49.Rc8 Kf7 50.Rc7 (50.Rc7 Ke8 51.g3+–) 1–0. Gerold,Guenter (2230) – Dorobeck,Ulrich, corr ICCF–Cup11 V81, 1997.

10.Nc3 Ne5 11.Ne5 Be2 12.Nf7 Bd1 13.Nd8 Rad8 14.Rad1 c6 15.a4 Re6 16.Ne2 Ng4 17.f4 Rf8 18.Rb1 g5 19.h3 gf4 20.Nd4 Rh6 21.hg4 fe3 22.Nf5 Bh2 23.Kh1 Rf5 24.Rf5 Bg3 25.Kg1 e2 26.Re5 Bh2? 27.Kf2 Be5 28.Be5 Re6 29.d4 b6 30.Ke2 c5 31.c3 Kf7 32.Rh1 Kg6 33.Kd3 c4 34.Kd2 a6 35.Bf4 Re4 36.g3 (36.g3 Kg7 37.Rh5+–) 1–0. Kuhlmann,AEJ – Guenther,K, corr ICCF TT–4–90–12, 1990.

10.d3 Rb8 11.Nbd2 b5 12.h3 Bd7 13.Qb1 Qe7 14.Bc3 b4 15.ab4 Bb4 16.Bb4 Rb4 17.Qa2 d4 18.ed4 Nd4?? 19.Nd4= Rd4 20.Bf3 Ra4 ½–½. Lisakowski,Christof (1960) – Leisebein,Peter (2240), RSS5D pro–42, 2005.

10.d3 Ne5 11.Nbd2 Nf3 12.Nf3 c5 13.h3 Bd7 14.Nd2 Bc6 15.Bf3 Bc7 16.Re1 Qd6 17.Nf1 b5 18.c4 dc4 19.Bc6 Qc6 20.Bf6 Qf6–/+ 21.dc4 Ba5 22.Re2 Red8 23.Qc1 Bc3 24.Rb1 b4 25.Ng3 Qe6=+ 26.Qc2 Qc4 27.Ne4 f5 28.Nc3 bc3 29.e4 Rd3 30.ef5= Rad8 31.Rbe1 Rd2 32.Rd2 Rd2 33.Re4 Qd5 34.Qc3 Rd1 35.Re1 Re1 36.Qe1+= Kf7 37.g4 c4 38.Qc3 Qd1+/– 39.Kg2 Qd5 40.f3 Qb5 41.Qe3 Qb2 42.Kg3 ½–½. De Visser,Arno – Scholler Larsen, Copenhagen, 1981.

10.d3 Qe7 11.Nbd2 =+.

10.d4 Na5 11.Nbd2 Rc8 12.c4 dc4 13.Nc4 Bf3 14.gf3 Nc4 15.Bc4 c6 16.Qd3 Qc7 17.f4 Rcd8 18.Qf5= Be7 19.Rfb1 c5 20.dc5+/– Rd2 21.Bc3 Rdd8 22.Qg5 Rc8 23.Bd4+– Red8 24.Rb5 Rd7 25.Rc1 Ne8 26.Qh5 Bf6 27.Rd1 Bd4+= 28.Rd4 Nf6 29.Qg5 Rcd8 30.Rb4 Rd4= 31.ed4 a5 32.Ra4 Re8 33.Bb5 Re4 34.Bd3?? Rf4?? 35.Be2 Rf2!? 36.Qe5 Qe5 37.de5 Re2 38.ef6 gf6 39.Ra5 f5 40.Ra8 Kg7= 41.Rd8 f4 42.Rd7 Rb2 43.Rd4 f3 44.Rb4 Rb4 45.ab4 f5?? 46.b5+– f4 47.c6 bc6 48.bc6 Kf6 49.c7 Ke5 1–0. Comet B25 – EXchess 3.11, 2004.

10.d4 Rb8 11.Qd3 =+.

10.d4 Ne4 11.Nc3 Nc3 12.Bc3 Qd7 13.Rb1 b6 14.a4 Qe6 15.Ng5 Be2 16.Ne6? Bd1–+ 17.Nc7 Bc7 18.Rfd1 Rac8 19.g3 Ne7 20.Rb3 Ng6 21.Kg2 h6 22.Rb5 Bg3! 23.hg3 Rc3 24.Rd5 Rc2 25.Kf3 Re6 26.Rd7 Rf6 27.Kg2 Rff2 28.Kh3 h5 29.Rh1 Rce2 30.Rd8 Kh7 31.Rd7 Re3 32.Ra7 Nf4 33.Kh4 g5! 34.Kg5 Rg3 35.Kh4 Rg7 36.Rb7 Rfg2 37.Rb6 R2g4# 0–1. Neumann,Frank (1635) – Vetter,Udo (1755), RSR6E–Rapid–Testturnier–1, 2010.

10.d4 Ne4 11.Nc3 Nc3 12.Bc3 Qf6 =+.

10.d4 Ne4 11.Nbd2 Qf6 12.Ne4 de4–/+ 13.Nd2 Qh6 14.g3 Bh3 15.Re1 f5 16.c4= Kh8 17.c5 Be7 18.Qb3 b6 19.Qf7 Bf6 20.Qh5 Qh5= 21.Bh5 Red8 22.cb6 cb6 23.Rac1 Ne7 24.Be2 Nd5 25.Ba6 Bg4 26.Nc4 Bh5 27.Ne5 Be8 28.Bb7 Rab8 29.Bc6 h5 30.Bd5 Rd5 31.Rc7 Ra5 32.Rec1+= Kh7 33.Kg2 Rb5 34.R1c2 a5 35.h3 Rd5= 36.g4 hg4 37.hg4+= fg4 38.Rc1 Kg8 39.Kg3 Rbd8 40.Ng4+= R8d6 41.Rb7 Bd7+= 42.Nf6 Rf6–/+ 43.f4 ef3–+ 44.Kf2 Rg5 45.Rd7 Rg2 46.Kf1 Rh6 (46...Rh6 47.Rd8 Kh7 48.Rh8 Kh8 49.Rc8 Kh7 50.Rh8 Kh8 51.e4 Rh1#) 0–1. Kool,Gerard J – De Jong,Migchiel, VAM Open Hoogeveen NED, 1998.

10.d4 Qe7 11.Nbd2 a6 12.c4= dc4 13.Nc4 Rad8 14.Nd6 Rd6 15.Qc2 Nd5 16.Rfe1 Re6 17.h3 Bh5 18.Qf5 Ne3 19.Qh5 Rh6 20.Qh6 gh6 21.Bd3 Qd7 22.Re3 Re3 23.fe3 Qe6 24.Bc1 Ne7 25.Rb1 b6 26.Rb2 Ng6 27.Bg6?? hg6+/– 28.Rf2 c5 29.Ne5+/– cd4 30.ed4+– f5 31.Bh6 b5 32.Bc1 a5 33.Bb2 b4 34.ab4 ab4 35.Rd2 Qb6 36.Kh2 (36.Kh2 Qd6 37.Rd3+–; 36.Kf1 Qd6+–) 1–0. Szczesiak,Zenon – Dziel,Jaromir, corr 2. AMM, Poland, 1994.

10.Bf6 gf6 11.Nc3 +=.

10.Bf6 Qf6 11.Nc3 Ne7 12.Nb5 (12.e4 Bf3 13.Bf3 Be5) 12...a6 13.Nd6 Qd6 14.d4 Rac8 15.Bd3 h6 16.a4 c5 17.dc5 Qc5 18.h3 Bh5 19.Rb1 Rc7 20.Re1 Nc6 21.Rb2 Nb4 22.Bf5 a5 23.Bd3 ½–½. Benussi – Mothes, corr SOK–96–118 1996.

10.Bf6 Qf6 11.Nc3 Bf3 12.Bf3 Qe5 =.

10.h3 Bf3 11.Bf3 Ne5 12.d3 Qe7 13.Nd2 Rad8 14.Re1 c6 15.a4 Qc7 16.d4 (16.Be2 b6=) 16...Ng6 (16...Nf3 17.Qf3 Qe7 18.a5+=) 17.c4= Ne4 18.Be4 de4 19.Rc1 (19.c5 Bf8+=) 19...Qe7 20.c5 Bc7 21.Qb3 Rd5 22.f4 ef3 23.Nf3 Bg3 24.Re2 (better is 24.e4!? Rdd8 25.Re2+=) 24...Nf4!–/+ 25.Rec2 (25.ef4 Qe2 Pinning (25...Qe2 Deflection)) 25...Qe3–+ 26.Qe3 Re3 27.Rb1 Rd7 28.Bc1 Ne2 29.Kf1 Nc1 30.Rcc1 f6 31.Rc4 g5 32.Rcb4 Ree7 33.a5 Kf7 34.a6 ba6 35.Ra4 a5! 36.Ra5 h5 37.Ra6? g4 38.Ng1 Rd4 39.Ne2–/+ Rd3 40.Ng3 Rg3 41.hg4 hg4 42.Rc6 Rc3 43.Ra1 g3 44.Rca6 Rc5 45.Ra7 Rf5 46.Kg1 Ra7 47.Ra7 Kg6 48.Ra3 Rg5 49.Kf1 Kh5 50.Rb3 Kh4 51.Rb4 Rg4–+ 52.Rb8 Rf4 53.Kg1 Re4 54.Rb1 Re2 55.Rf1 Kg5 56.Ra1 f5 57.Rb1 Rd2 58.Ra1 Re2 59.Rb1 Kf4 60.Rb4 Re4 61.Rb1 Rd4 62.Rf1 Ke4 63.Re1 Kd3 64.Rd1?? Ke3 65.Ra1?? Ke2 66.Ra2 Rd2 67.Ra1 Rd1 68.Rd1 Kd1 69.Kf1 f4 70.Kg1 Ke1 71.Kh1 f3! (71...f3 72.gf3 Kf2 73.f4 g2 74.Kh2 g1Q 75.Kh3 Qg3) 0–1. Morgenstern,Frank – Brandt,Joachim (1930), Blankenburg op, 2009.

10.h3 Bf5 11.Bf6 Qf6 12.Nc3 Be4 13.d4 Ne7 14.Ne4 de4 15.Nd2 Nf5 16.Rb1 Qg5 17.Nc4 Nh4 18.Bg4 f5 19.g3 fg4 20.gh4 Qh4 21.Qg4 Qg4 22.hg4 b6 23.Kg2 Re6 24.f4 ef3 25.Kf3 Rae8 26.a4 Be7 ½–½. marekt – Black_Mask, internet, 2008.

10.h3 Bh5 11.c4 dc4 12.Bc4 Bf8 13.d4= Ne4 14.Be2 Ne7 15.Nbd2 Nd5 16.Ne4+/– Re4 17.Ne5 Be2= 18.Qe2 c6 19.Qf3 Nf6 20.g4 h6 21.Qe2 Nd5 22.Bc1 Qe7 23.f3 Re5–/+ 24.de5 Qe5 25.Qb2 Qg3 26.Qg2= Qe5 27.Qb2 Qb2 28.Bb2 Ne3 29.Rfc1 Rd8 30.Bc3 Bc5 31.Bb4 Bd4 32.Bc3 Bb6 33.Kh1 Rd3 34.Be1 Nd5–+ 35.a4 Rf3 36.Kg2 Rd3 37.Bg3 f5 38.gf5 Ne3 39.Kh2 Nf5 40.Bb8 Rd8 41.Be5 Rd5 42.Bf4? g5 43.Bb8 Rd2 44.Kh1 Rd8 45.Be5 Rd5 46.Bb8 Ne3 47.a5 Ba5 48.Ba7 Bd2 49.Be3 Be3–+ 50.Ra8 Kf7 51.Rb1 b5 52.Re1 Bf4 53.Rae8 Rd6 54.R8e7 Kf6 55.Rh7 Kg6 56.Rhe7 c5 57.Rc7 Rd3 58.Rc6 Kh5 59.Rc5 Rh3 60.Kg2 Rh2 61.Kf3 b4 62.Rb1 Rh3 63.Kg2 Rh2?? 64.Kf3 Bd2 65.Rb5 Bc3 66.Kg3 Rh4 67.Rd1 Rg4 68.Kh3 Re4 69.Rd3 Re6 70.Rg3 Kg6 71.Rd3 Rf6 72.Rdd5 Rf4 73.Rd6 Bf6 74.Rbb6 h5 75.Rb5 Rf3 76.Kg2 g4 ½–½. Khamatshin,Ilshat – Kirillov,Igor (2270), RUS–ch U26 Ufa, 2004.

9.c3 Bd6=+

10.Ba3 Ne4 11.Bd6 Qd6 12.d3 Nc5 13.Na3 a6 14.Nc2 Qg6 15.Nfe1 Be2 16.Qe2 Na4 17.Qd2 Qf6 18.d4 Na5 19.Nb4 Nc4 20.Qc2 Nab6 21.Nf3 Qg6 22.Qe2 Rad8 23.Nd3 Qg4 24.h3 Qh5 25.Nc5 Nd6 26.Rfc1 f6 27.Rab1 Rb8 28.Rb3 Re7 29.a4 a5 30.Qa2 Nbc4=+ 31.Nd2 b6 32.Nc4=+ dc4 33.Rb2 Qf7 34.Na6 Ra8–/+ 35.Nc7 Rc7 36.Rb6 Ne4 37.Qb2 h6 38.Rb1 f5 39.f3=+ Nf6 40.Qc2 Nd5 41.Rb8 Rb8 42.Rb8 Kh7 43.e4 Ne3 44.Qb1 Qg6–+ 45.Kf2 Qg2?? 46.Ke3 f4! 47.Kf4 g5 (48.Ke3 Qh3+–; 47...Qg5#) 0–1. Iosif,Daniela – Lewandowska,Katarzyna (2125), GER–ch op (Women), 1994.

10.Ba3 Bf3 11.Bf3 Ne5 12.Bd6 Qd6 13.Be2 =+.

10.d3 Ne5 11.Ne5 Be2 12.Qe2 Be5 13.d4 Bd6 14.Nd2 c6 15.h3 b5 16.a4 Qe7 17.ab5 cb5 18.Nb3 (18.Ra6!?=) 18...a6+= 19.Ra2 Ne4 20.Rfa1 Qb7 21.Qd3 Rec8 The backward pawn on c3 becomes a target 22.Nc1 Rc6 23.Ne2 Rac8 (23...Qb8 24.f3 Bh2 25.Kf1+=) 24.Rc1 (24.f3 Nf6=) 24...g6 (24...Qe7!?–/+) 25.f3= Ng3 26.Ng3 Bg3 27.e4 Re6 28.e5 (28.Rca1!?=) 28...Qb6 29.Kh1 Rce8 (29...f6!?–/+) 30.Rf1 f6 (30...Qc6!?=) 31.f4+= Bh4 32.g3 fe5 33.gh4 ef4 34.Qf3 Re4 35.Bc1 Qf6 36.h5 g5 37.Rg2 h6 38.h4 Kh7 39.hg5 hg5 40.h6 Rg8 41.Qg4 Qe6 42.Qh5 Rg6 43.Kg1 Qf5 44.Rg4 Qf6 45.Bd2 Re8 46.Rff4?? gf4–+ 47.Kf2 Rg4 48.Qg4 Rg8 49.Qd7 Kh8 50.Qd5 Qh4 51.Ke2 Qg4 52.Kd3 Qg6 53.Ke2?? Qg2 54.Qg2 Rg2 55.Kd3 f3 56.Ke3 f2 57.Ke2 f1Q! 58.Kf1 Rd2 59.Ke1 Rd3 60.Ke2 Rc3 61.Kd2 Rc8 (61...Rc8 62.d5 a5–+) 0–1. Burnham,Frank (1790) – Seymour,Timothy P (2090), London ENG, 4th Classic Open, 2012.

10.d3 Bf3 11.Bf3 White has the pair of bishops 11...Ne5 12.d4 (12.Be2 a5=) 12...Nc4 (12...Nf3 13.Qf3 Ne4 14.g3+=) 13.Qc2 c6 14.Nd2 Nd2 15.Qd2 Ne4 16.Be4 Re4 17.g3 Secures f4 17...Qd7 18.Rae1 Qh3 White king safety dropped (18...Rae8 19.Rb1+=) 19.f3= Re6 20.Qg2 (20.e4 Rc8=) 20...Qg2+= 21.Kg2 Rae8 ½–½. Mauersberger,Hermann (2010) – Nowarra,Waltraud (2215), EU–chT Seniors, 2002.

10.d4 Qe7 11.Nbd2 Ne4 12.Qe1 Qf6 13.Kh1 Qh6–/+ 14.g3 Re6 (14...Qh5 15.Ng1 Be2 16.Ne2–+) 15.Nh4 Bh3 16.Rg1 g5 (16...Qf6!? 17.Ne4 Re4–/+ (17...de4? 18.d5+–)) 17.Ne4=+ Re4 18.Nf3 Ne7 19.Nd2= Re6 20.Bf3 Re8 21.c4 c6 22.cd5 cd5 23.Nf1 g4–/+ 24.Bg2 Bg2 25.Rg2 f5 26.Qa5 a6 27.Qa4 Rc8 28.Qd1 Bb8 29.f3 Qg6 30.f4 Nc6 31.Rc1 Qe8 32.Qb3 Qd7 33.Rc5 Rd8 34.Qd3 Ne7 35.Rgc2 h5 36.Ba3 Rh6 37.R5c3 Nc6 38.Rc5 Qe6= 39.Qd2 b5?? 40.R5c3 Na5 41.Qd3 Nc4 42.Bc1 Bd6 43.Kg1 Re8 44.Rb3 Rh7 45.Rf2 Rc7 46.Rb1 Rec8 47.Bd2 Nd2 48.Rd2 Rc3 49.Qe2 Qe4 50.Qd1 Rc2 51.Rb2 Rc1 52.Qe2 R8c3 53.Rd1 Rd1 54.Qd1 Rc4 55.Rb3 Qc2–/+ 56.Qa1 Qe2 0–1. Grund,Karl – de Visser,Arno, corr.

9.c4 dc4

10.a3 Bd6 11.Bc4 Ne5 12.Be2 (12.Be5 Re5 13.h3 Bh5=) 12...Ng6 (12...c5 13.Ne5 Be5 14.Be5 Be2 15.Qe2 Re5 16.Nc3=) 13.Nd4 (13.d4 c6=) 13...Qd7 (13...Be2 14.Qe2 c5 15.Nb5=+) 14.f4 (14.f3 Be6=) 14...c5 (14...Be2 15.Ne2 Qe7=+) 15.Nb5 (better is 15.Nf3=+) 15...Bb8?? (better is 15...Be2 16.Qe2 Nf4–/+) 16.Bf6+= Be2 17.Qe2 gf6 18.g3 a6 19.N5c3 b5 20.Qf3+= Ba7 21.Nd5 Kg7 22.Nbc3 Rad8 23.Rad1 f5 24.h4 a5 25.h5 Nf8 26.h6+= Kg6 27.e4 b4 28.ef5 Qf5 29.Ne3?? c4–+ 30.g4 Qd7?? 31.f5 Kh6=+ 32.f6 bc3?? 33.Qh3 (33.Qh3 Kg6 34.Qh5#) 1–0. Dumontelle,Joe – Tenhunen,G, Sudbury, 1979.

10.Qc2 b5 11.a4=+ a6 12.ab5 ab5 13.Ra8 Qa8 14.d3 cd3 (14...Qa4 15.Qa4–/+) 15.Qd3 (15.Bd3–/+) 15...Be7 16.Rc1 (16.Qb5?? Rb8 17.Qc4 Rb2–+) 16...Rb8 17.h3 (17.Qc2 Bd7=+) 17...Be6=+ 18.Qc2 Bd5 19.Ng5 (19.Bf6!? Bf6 20.e4=+) 19...Qa4–/+ 20.Nd2 (20.Qf5!? g6 21.Qd3=+) 20...Qc2–+ 21.Rc2 Ne8 22.Ngf3 Nb4 23.Rc1 c5 24.Ne5 Be6 25.Ne4 c4 26.Rb1 Ra8 27.Bd4 f6 28.Nf3 Bf5 29.Nfd2 Nd6?? 30.f3?? Ra2 31.Rb4–/+ Ne4 32.Rb5=+ Nd2 33.Rf5 Kf7 34.Bc3+= Kg6 35.g4 Nb1=+ 36.Bd4?? Re2–+ (36...Re2 37.Rb5 Nd2–+) 0–1. Sternik,Ryszard – Kuklinski, Olsztyn, 1972.

10.Qc2 b5 11.a4=+ a6 12.ab5 ab5 13.Ra8 Qa8 14.Bf6 gf6 15.Qb2 Be7 16.Nc3 b4= 17.Nd5 Bf3 18.Bf3 Qa6?? 19.Nc7+– Qc8 20.Bc6 Rd8 21.Nd5 Kf8 22.Ne7 Ke7 23.Qb4 Rd6 24.Bb5 Qb7 25.Rc1 Qb6 26.Rc4 Kf8 27.Rc8 Kg7 28.Qg4 Kh6 29.Rg8 Qb5 30.Qg7 Kh5 31.Qh7# 1–0. b4_player – opponent, gamecolony.com, 2007.

10.Bc4 a6 11.a3 Bd6 12.d4 Qd7 13.Nbd2 (13.d5 Ne5 14.Be5 Re5 15.h3 Bf3 16.Qf3 Rf5 17.Qd1 b5–/+) 13...b5 (13...Rad8 14.Bd3 (14.d5 Ne5 15.Bb3 Qe7 16.h3 Bh5 17.Qe2 Nf3–/+) 14...Bf5 15.Nc4 Bd3 16.Qd3 Qe6 17.Nd6 Rd6=) 14.Bd3 (14.d5 Ne5 15.Bb3 Rad8 16.a4 b4 17.h3 Bh5=+) 14...Bf5 15.Bf5 (15.Qc2 Bd3 16.Qd3 Nd8 17.Rfd1 Nb7=) 15...Qf5 16.Re1 Re6 (16...Na7 17.Rc1 Re7=) 17.Rc1 (17.Qb1 Qb1=) 17...Ne7 (17...Na5=) 18.Ne5 (18.d5 Qd5 19.Bf6 A) < 19...Rf6 20.e4 Bh2 21.Nh2+/– (< 21.Kh2 Qh5 22.Kg1 Rh6+=); B) 19...gf6=) 18...Ne4 19.f3 Nd2 20.Qd2 c5 21.e4 Qh5 22.f4 cd4 23.Nf3 Rd8 24.Bd4 Qg4 (24...Ba3? 25.Qa5 Re8 26.Qa3+–) 25.f5 (25.e5 Bb8= (< 25...Ba3 26.Qa5 Re8 27.Qa3+/–)) 25...Bf4=+ (< 25...Re4 26.Re4 Qe4 27.Qg5+/–) 26.Qa5 Red6 27.h3 Qh5 28.Rc7 Nc8 (28...Rd4 29.Nd4 Bc7 30.Qc7 Re8+/–) 29.Rc6+= f6 30.Rd6 Rd6 31.Bc5 Rd3 32.Qa6 Qe8 33.a4 Bg3 34.Bf2 (34.Qb5?! Qb5 35.ab5 Be1 36.Ne1 Rc3=+) 34...Bf2 35.Kf2 Nd6 36.Kg1 h6 (36...Qb8 37.e5 fe5 38.Ne5+–) 37.e5+– fe5 38.Re5 Qb8 39.ab5 (39.ab5 Rd1 40.Kh2+–) 1–0. Vornanen,Alpo – Schulz,Hans_Juergen, TT–10.22 ETC, 2004.

10.Bc4 a6 11.Qb3 Qe7 12.Ng5 Bh5 =.

10.Bc4 a6 11.Be2 Qe7 12.Nd4 (12.Qc2 Bd6=+) 12...Be2 13.Nc6 Bd1 14.Ne7 Re7 (14...Be7 15.Rd1 Rad8 16.d4=+) 15.Rd1 (15.Bf6 Re6 16.Bg7 Be2= (< 16...Kg7 17.Rd1 Rd8 18.d4+/–)) 15...Re6 (15...Nd5 16.d3=) 16.Nc3 (16.Bf6 Rf6 17.d4 Rc6=) 16...Rae8 (16...Rd8 17.d4=) 17.d4 Rb6 18.Ne2 Nd5 19.Rac1 Bd6=+ 20.Nc3 Ne3!–+ 21.fe3 Rb2 22.e4 (22.Rb1 Rc2 23.Rd3 b5–+) –+. Krolik – Deforel, corr 3GMM–36, 1997.

10.Bc4 Bh5 11.d4 Bd6 12.Nbd2 Ne4 13.Qc2 Nd2 14.Nd2 Bg6 15.e4 (15.Qa4 a6 16.d5 Ne5=) 15...Qh4 (15...Bf4 16.d5 Ne5 17.Be5 Be5=) 16.f4? (better is 16.g3 Qf6 17.Bb5=+) 16...Bf4–+ 17.g3 Be3 18.Kg2 Qe7 19.Nf3 (19.Qd3 Bd2 20.Qd2 Qe4 21.Kg1 Ne5 22.de5 Qc4–+) 19...Qe4 (better is 19...Nd4 20.Qc3 Qe4–+) 20.Qc3?? (20.Qe4 Be4 21.Rad1–+) 20...Bd4 21.Qd2 Bb2 22.Qb2 (22.Bf7 Bf7 23.Qb2 Bd5–+) 22...Qc4 23.Qb7 (23.Rac1 Re2 24.Rf2 Rb2 25.Rc4 Rf2 26.Kf2–+) 23…Nd4 (23...Nd4 24.Rac1 Qa2 25.Rf2 Qa5 26.Qc7 Qc7 27.Rc7 Be4–+; better is 23...Na5 24.Qb2 Re2 25.Qe2 Qe2 26.Rf2–+) 0–1. Wilk,Adam – Migala,Andrzej, Rudnik, 1994.

10.Nd4 Be2–/+ 11.Qe2?? (better is 11.Nc6 Bd1 12.Nd8–/+) 11...Nd4–+ 12.Bd4 (12.Qc4 Nc6 13.d3–+) 12...Qd4!! 13.Nc3 (13.ed4 Re4 Double attack (13...Re2 Pinning; 13...Re2 Deflection; 13...Re4 Decoy)) 13...Qd3 14.Qd3 cd3 0–1. Sixty4 – Treebeard, playchess.de, 2006.

10.Bc4 Na5

11.Be2 b6 12.a3 Bd6 13.Nc3 c5 14.Nb5 Bb8 15.a4 a6 16.Na3 Qd6 17.g3 Bc7 18.Bc3 Nc6 19.Nc4 Qe6 20.Rb1 Rab8 21.d3 b5 22.ab5 ab5 23.Ncd2 Nd5 24.Ba1 Qh6 25.Qb3 Be6 26.Qb2 Nf6 27.Qc2 Nd7 28.Rfc1 Ba5 29.Ne4 Nb4 30.Qd2 Bf5 31.Nh4 Be4 32.de4 Qe6 33.Nf5 Nf6 34.Qc3 Red8 35.Qc5 Ne4 36.Qe5 Qe5 37.Be5 Na2 38.Rc2 Nac3 39.Rbc1 b4 40.Bb8 b3 41.Rb2 Rb8 42.Bf1 Rb6 43.Nd4 Nc5 44.Ra1 1–0. Deneuville – Ruether, corr SOK–96–112 1996.

11.Be2 b6 12.Qc2 c5 13.a3+– Ba3 14.Na3 Nc6 15.Nc4 Nb4 16.Qb3 Be6 17.Qc3 Nbd5 18.Qd3 a5 19.Ng5 Bg4?? 20.Bg4 Ng4 (20...Ne3 21.Qd8 Rad8 22.fe3 Ng4 23.Rf7 Nf6+–) 1–0. Waibel,Ulrich – d'Alfonsi,Mike, compuserve, 1996.

11.Be2 b6 12.Qc2 c6 =.

11.Be2 b6 12.d4 Ne4 13.a3 Bf8 14.Nbd2 Qd5 15.Ne4+= Qe4 16.h3 Bh5 17.g4 Bg4 18.hg4 Qg4 19.Kh1 Qh3 20.Nh2 Bd6 21.f4 Re3 22.Bg4 Qh4 23.Bc1 Rg3 24.Ra2 Nb3 25.Rg2 Nc1 26.Qc1 Rg2 27.Kg2=+ Re8 28.Rf2 h5 29.Bd7=+ Re4 30.Nf3 Qf4–/+ 31.Qc6 g6 32.Qa8 Kg7 33.Qa7? Qg3 34.Kf1 Bf4 35.Qa8 Be3 (35...Be3 36.Ke2 Qf2 (36...Bf2?! 37.Qe4 Qd6 38.Kf2 Qd7 39.d5=) 37.Kd3 Re7–+) 0–1. Melich,Jindrich – Kiselev,Sergey, Prague CZE, 1990.

11.Be2 c6 12.Qa4 Bd6 13.Bf6 Qf6 14.Qg4? Qa1–+ 15.Nc3 Qb2 16.Qf5 Bb4 17.Rb1 Qa3 18.Ng5 Bc3 19.Qf7 Kh8–/+ 20.Qh5 h6 21.Nf7 Kg8 22.Qg6?? Re7 23.Nh6 Kf8 24.dc3 gh6 25.Rb4 (25…Qa2 26.Rf4 Rf7 27.Qh6 Ke7 28.Qg5 Kf8 29.Qh6 Ke7 30.Re4 Kd7 31.Rd4 Ke8 32.Qh8 Ke7 33.Qa8 Qb1 34.Bf1+–) 1–0. Mangone,Mark – Woschkat,Karl_Heinz, compuserve, 1996.

11.Be2 Nc6 12.d4 Nd5 13.Qc2 Qf6 14.a3 Bd6 15.Nc3 Nc3 16.Bc3 Qe6 17.Qb2 Rab8 18.h3 Bf5 19.d5 Qd5 20.Bg7 Qe6 21.Bh8 Ne5 22.Be5 Be5 23.Ne5 Qe5 24.Qe5 Re5 25.g4 Be6 26.Rfd1 c5 27.Rac1 Rc8 28.Bc4 Bc4 29.Rc4 b5 30.Rf4 Kf8 31.Rd7 Re7 32.Re7 Ke7 33.Rf5 a6 34.Re5 Kd6 35.Rf5 c4 36.Rf4 c3 37.Rd4 Ke7 38.Rd1 a5 39.f4 b4 40.ab4 ab4 0–1. Bonetti,Shane – Darkchessplayer (2345), ICC, 2002.

11.Be2 Qd6 12.a3 Bc5 13.d4 =.

11.Be2 Bd6 12.d3 c5 13.Nbd2 Bd7 14.Qc2 b5 15.Rfd1 Bc6 16.Rac1 a6 17.a3 Rc8 18.e4 Nb7 19.Re1 Bf4 20.Rf1 Qe7 21.a4 ba4 22.Rfd1 Bb5 23.Bf1 Rcd8 24.Re1 Ng4 25.e5 Qd7 26.Qc3 f6 27.ef6 Nf6 28.Re8 Re8 29.Qc2 Nd5 30.d4 cd4 31.Bd4 Na5 32.Rb1 Bf1 33.Rf1 Bd2 34.Nd2 Qc6 35.Qf5 Nb3 36.Nf3 Nd4 37.Nd4 Qc4 38.Nf3 g6 39.Qd7 Nf6 40.Qd2 Ne4 41.Qb2 Nc3 42.Ra1 Qc5 43.Qd2 Re2 44.Qd8 Kg7 45.Qd7 Re7 46.Qd8 a3 47.Kh1 Ne4–/+ 48.Rf1 a2 49.Kg1 Nf2!! 50.Qd4 Qd4 51.Nd4 Nd3 52.h3 Rb7 53.Nc2 Rb1 54.Na1 Nc1 (54...Nc1 55.Rf3 Ra1–+) 0–1. Pierre (2310) – Kwekwerekfe (2620), Rated game, 3m + 0s, 2005.

11.Be2 Bd6 12.d4 c6 13.Nbd2 c5 14.Qa4 cd4 15.Bd4 Bd7 16.Bb5 Nc6 17.Bf6 Qf6 18.Ne4 Qe6 19.Nd6 Qd6 20.Rad1 Qe7 21.Ne5 Ne5 22.Bd7 Red8 23.Bf5 a6 24.Be4 Ng6 25.Bd5 Rac8 26.Rd4 Rc7 27.Rfd1 Rdc8 28.Be4 Rc1 29.Bf5 R8c7 30.Rd7 Rd7 31.Rc1 Rd8 32.Qa5 Nf8 33.Be4 Rd7 34.Bf3 Qd6 35.h3 Qd2 36.Qd2 Rd2 37.Bb7 Ra2 38.Bd5 Ra5 39.e4 g6 40.Rc6 Ra1 41.Kh2 a5 42.Rf6 Ne6 43.Be6 fe6 44.Re6 Kf7 45.Ra6 h6 46.e5 a4 47.f4 a3 48.g4 a2 ½–½. Fischbach,R – Schiller,Thomas, corr FRG–chT qual, 1991.

11.Be2 Qe7 12.a3 Bd6 13.Nc3 Rad8 14.Qa4 Bf3 15.Bf3 Qe5 16.Rfc1 Qh2–/+ 17.Kf1 Qe5 18.Rab1= c6 19.Ne4! Qf5 20.Bf6 gf6+= 21.g4?? Qf3–+ 22.Nd6 Rd6 23.Qa5–/+ Rd5 24.Qc3 Qg4 25.Rb7= Rh5 26.Qc6+/– Re6 27.Qg2 Qg2 28.Kg2 Rg5 29.Kf3 Re8 30.Ra7+– (30.Ra7 h5 31.Rcc7+–) 1–0. Schulz,M – Reinhold, corr Germany, 1986.

10.Bc4 Bd6

11.d4 a6 12.Nbd2 =+.

11.d4 Qd7 12.Nbd2= Qf5 13.Be2 Qh5 14.Re1 Ne4 15.Ne4 Re4=+ 16.g3 Rae8 17.h3 Bg3 18.fg3?? Qh3=+ 19.Kf2 Re3 20.Bf1 Qh6 21.Re3 Qe3–/+ 22.Kg2 Re6 23.Rc1 Rh6 (23...Rh6 24.Rc2 Bf3 25.Qf3 Rh2 26.Kh2 Qf3–+) 0–1. Dzieniszewski,Andrzej – Jankowski, Opole, 1977.

11.d4 Qe7 12.Nbd2 Bf5 13.Qe2 Ne4 14.Bd5 Nd2=+ 15.Nd2 Bh2!–/+ 16.Kh2 Qd6 17.Kg1 Qd5 18.Qf3 Qf3 19.gf3 Nb4 20.e4 Bh3 21.Rfd1 Nd3 22.Ba3 Re6 23.Nf1 Nf4 24.Bc1 Ne2 25.Kh2 Bf1 26.Rf1? Nd4–+ (26...Nd4 27.Rd1 c5–+) 0–1. Brinkmann,Wilhelm – Eschholz,Enno (2150), Oberliga Nord N, 2001.

11.d4 Qe7 12.Be2 h6 13.Nbd2 a6 14.Rc1 Ba3 15.Qb3 Bb2= 16.Qb2 Rab8 17.Rc5 Nd7 18.Rc3 Nb6 19.Qc1 Nd5 20.Rb3 Nb6 21.Ba6+/– Nb4 22.Be2 Be6+= 23.Ra3 Na2 24.Qb2 Ra8 25.Ra8 Ra8 26.Rb1 Qa3= 27.e4 Nc3=+ 28.Qa3 Ne2 29.Kf1+= Ra3 30.Ke2 Ra2 31.d5 Bg4 32.Rc1 Na8 33.Ke3+= Bf3 34.Nf3 Kf8 35.Nd4 Ke7 36.Nf5 Kf6 37.g4 Ra6 38.f4+/– Ra3 39.Kd4 Ra4 40.Kd3 Ra3 41.Rc3 Rc3 42.Kc3 g5 43.e5 Kg6 44.Ne7 Kg7 45.f5 Nb6 46.Kb4 Nd7 47.e6 Nf6=+ 48.h3 Kf8 49.d6 cd6 50.Nc8 fe6 51.fe6 Nd5 52.Kc4 Nf4 53.Nd6 Ne6 54.Nb7=+ ½–½. Buesdorf,Konrad – Schulz,Hermann, Obertsdorf, 2002.

11.Be2 a6 12.Nc3 h6 13.d4 b5 14.Rc1 Na5 15.h3 Bf5 16.Nd2 Rb8 17.Bf3 Nc4 18.Nc4 bc4 19.Ba1 Ba3 20.e4? (better is 20.Qa4!? Bc1 21.Rc1+=) 20...Bc1–/+ 21.ef5 Bb2 22.Na4 Ba1 23.Qa1 Ne4 24.Re1? (24.Nc5 Nd2 25.Bc6–+) 24...Nd2 25.Bc6 (25.Re8 Qe8 26.Nc3–+) 25...Re1 26.Qe1 Rb1 (26...Rb1 27.Qb1 Nb1–+) 0–1. vhilts (2505) – martijn, net–chess.com, 2013.

10.Bc4 Ne4

11.a3 Bd6 12.Qa4?? Bf3–+ 13.gf3 Qg5 14.Kh1 Qh4 15.f4 Nf2 16.Kg2 Ng4 17.h3 Re3!! 18.de3 Ne3 19.Kf3 Qf4 20.Ke2 Nf1 (20...Nf1 21.Bf7 Qf7–+; 20...Qf1 21.Kd2 Nc4 22.Kc2 Qe2 23.Nd2 Qd2 24.Kb3 Qb2 25.Kc4 Ne5 26.Kd5 Qd2 27.Qd4 c6 28.Ke4 f5 29.Kf5 Rf8 30.Ke6 Qh6) 0–1. Comet B25 – Fritz 5.32, 2004.

11.a3 Bd6 12.d3 Ng5 13.Nbd2 Na5 14.Ba2 Nf3 15.Nf3 c5 16.h3 Bh5 17.Rb1 a6 18.Bc3 b5 19.Bd5 Rc8 20.Re1 Nc6 21.Qb3= Bb8 22.Bb2 Qd6 23.Kf1 Red8=+ 24.Qc3 Qf8 25.Be4 Bf3 26.Bf3 Be5 27.Qc2 Bb2 28.Rb2 Ne5 29.Be2 Qd6 30.Rd1 Qe6 31.Rb3 c4 32.dc4 ½–½. Skerlik,Stanislav – Larsen,Soren M, corr EM/MN/057 ICCF Email, 2002.

11.Qb3 Qd7 12.a3 =+.

11.d3 Ng5 12.Qb3?? Nf3–+ 13.gf3 Bf3 14.Bf7 0–1. Beekes,Noud – Babic,Slobodan, RL–2007–0–00098, 2007.

11.d4 Na5 12.Bd3 Ng5 13.Be2 Nf3 14.Bf3 Bf3 15.Qf3 Re6 16.a3 Bd6= 17.g3 Qf6 18.Qf6+= Rf6 19.Nd2 Bf8 20.Bc3 Ra6 21.Bb4 Nc6 22.Bf8 Kf8 23.Ne4 Ke7 24.Nc5 Rb6 25.Rfb1 Rb8 26.Rb3 Na5 27.Rb6 ab6 28.Nd3 f6 29.Rc1 Kd6 30.Nf4 g6 31.Kf1 Ra8=+ 32.Rc3 Nc6 33.Ke2 Ra5 34.Nd3 Na7 35.e4 Nb5=+ 36.Rc4 Na3 37.Rc1 Nb5 38.Ke3 Ra4 39.e5 fe5 40.de5 Ke6 41.f4 Ra2 42.h3 Rg2 43.g4 Rg3–/+ 44.Ke4 Rh3 45.f5 gf5 46.gf5 Kd7 47.f6=+ Rh4 48.Nf4 Nd4 49.Rd1 c5 50.e6 Kd6 51.e7+= Kd7 52.Ke5 Ke8?? 53.Rd4!+– cd4 54.Ke6 Rf4–+ (54...Rf4 55.Ke5 d3 56.Kf4 d2–+) 0–1. Freiberger,Jonas – Mascheck,Stefan, Werther Schloss op–B 5th, 1999.

11.d4 Qe7 12.a3 Ba5 13.Be2 Rad8 14.Qc2 Rd6 15.Nc3 Bc3 16.Bc3 Nc3 17.Qc3 Rh6 18.Rfc1 Rd8 19.Qc5 Rdd6 20.Ra2 Rh5 21.Qc3 Rg6 22.Kf1 (better is 22.Rb2!? b6 23.Rbc2+=) 22...Bf3+= 23.Bf3 Rh2 24.Rac2 h5 (24...Rh1 25.Ke2 Rh4 26.Bc6 bc6 27.Qc5=) 25.d5 (25.Kg1 Qh4 26.Kf1 Re6=) 25...Ne5+= 26.Qc7 Qc7 27.Rc7 Nf3 28.gf3 h4 (28...Rh1 29.Ke2 Rc1 30.Rc1+=) 29.Rc8 (29.Ke2 Rb6+/–) 29...Kh7+= 30.Rb8?? (better is 30.Ke2+=) 30…Rgg2 1–0. Melich,J (2120) – Koelbl,Jonathan (1880), 9th Georgiev–Kesarovski Mem, 2010.

11.Be2 Bf3 12.Bf3 Nd2 13.Nd2 Qd2 14.Qd2 Bd2 15.Rfd1 Red8 16.Bc6 bc6 17.Bd4 Ba5 18.Ba7 Bb6 19.Rd8 Rd8 20.Bb6 cb6 21.a4 Kf8 22.Kf1 Ke7 23.Ke2 Ra8 24.Rb1 Ra6 25.Rb4 Kd6 26.Kd3 c5 27.Rf4 f6 28.h4 Kc6 29.h5 h6 30.Re4 Kd5 31.Rf4 Kc6 32.Re4 Kd5 33.Rc4 Kc6 34.Rf4 b5 35.ab5 Kb5 36.Kc3 Ra3 37.Kb2 Rd3 38.Kc2 Rd5 39.g4 Rd7 40.Re4 Ra7 41.Kb2 c4 42.Re8 Kb4 43.Rc8 c3 44.Kb1?? Kb3=+ 45.e4 Rd7 46.Kc1 Rd2 47.f4? Re2–/+ 48.Rb8 Kc4 49.e5 fe5 50.f5 Rg2–+ 51.Rg8 e4 52.Rg7–/+ e3 53.Rc7 Kd3 54.Rd7 Ke2 55.Kc2? Rg4 56.Kc3–/+ Kf2 57.Re7 e2 58.Kd3 e1Q 59.Re1 Ke1 60.Ke3 Rh4 61.f6 Rh5 62.Ke4 Rh1 63.Kf5 Rf1 64.Kg6 h5 (64...h5 65.Kh6 h4–+) 0–1. Rodriguez,Alberto2 (2315) – Butti,Enrique, ARG–chT Chaco, 1993.

10.Bc4 Ne5

11.Be5 Re5 12.Bf7 Kf8 13.Bc4 (< 13.Ne5 Bd1 14.Rd1 Bd6–+) 13...Rh5 (13...Rf5 14.Be2+=) 14.Be2 (14.h3 Bh3 15.Qb3= (15.gh3? Qd7 16.Bf7 Qf7–+)) 14...Bd6+= 15.g3 (15.Re1 Bf3 16.Bf3 Bh2 17.Kf1 Rh6+=) 15...Qd7 (15...c5 16.Nc3+=) 16.d4 Rh6 (16...Re8 17.Nbd2+=) 17.Nbd2+/– Bb4?? (better is 17...Re8+/–) 18.Ne5+– Qd5 (18...Qe7 19.Bg4 Rd8 20.Ndf3 Ng4 21.Ng4+–) 19.Ng4 Bd2 (19...Ng4 20.Bg4 Bd2 21.Qd2 Re8+–) 20.Nh6 (20.Nh6 Bc3 21.Rc1+–) 1–0. pierred – touchdown, ChessWorld.net, 2006.

11.Be5 Re5 12.Bf7 Kh8 13.Qb3 Bf3 14.Qb4 Rg5 15.g3 Qd7 16.Qf4 Rf5 17.Qc4 b5 18.Qe6 Qe6 19.Be6 Re5 20.Bh3 Rd8 21.d4 Rg5 22.Nd2 Bb7 23.Nb3 Ne4 24.Rfc1 Rf8 25.Rc7 Bd5 26.Rc2 Bc4 27.Rd1 Rg6 28.Bg2 Rgf6 29.Be4 1–0. Machete99 (2250) – guest1039, ICC, 2002.

11.Be5 Bf3? 12.Qf3 (better is 12.Bf6!? Qf6 13.Qf3 Qa1 14.Bf7 Kh8 15.Be8 Re8 16.Qb7+–) 12...Re5+/– 13.Qb7 Bd6 (13...Rb8 14.Qf3+/–) 14.Be2 (14.d4 Re7 15.Qc6 Rb8+/–) ½–½. Sternik,Ryszard – Chalupa,Paul, Toowoomba, 1992.

11.Be2 Nf3

12.Bf3 Bf3

13.gf3 c6 A) 14.a3 Be7 (14...Bd6 15.d3 Qe7 16.Nd2 Rad8 17.Qb3–/+; 14...Bc5 15.Qc2 Be7 16.Nc3 Qd7 17.Ne4–/+; 14...Bf8 15.d3 Bd6 16.Qb3 Nd5 17.f4+=) 15.Qb3 Qa5 16.d3 Rad8 17.Rd1–/+; B) 14.Qc2 Re6 (14...Be7 15.Nc3 Qa5 16.Ne4 Ne4 17.fe4+=; 14...Bd6 15.Qf5 Nd7 16.f4 Nc5 17.Rc1–/+; 14...Nd5 15.Kh1 Qh4 16.Rg1 f6 17.d3–/+) 15.d3 Qd5 16.Qd1 Rd8 17.a3–+; C) 14.d3 Qe7 (14...Nd5 15.Kh1 Qh4 16.Rg1 f6 17.Rg2–/+; 14...Qd6 15.a3 Bc5 16.Nd2 Rad8 17.Rc1–/+; 14...Kh8 15.Qb3 Qe7 16.Bf6 gf6 17.Nc3=) 15.Qc2 Rad8 16.a3 Bd6 17.Nd2–/+.

13.gf3 Qd3 A) 14.Re1 Rad8 (14...Nd5 15.Kh1 Bd6 16.Rg1 g6 17.Nc3–/+; 14...Nh5 15.Nc3 Rad8 16.Qa4 a5 17.a3+=; 14...Qf5 15.Kh1 Rad8 16.a3 Bd6 17.Rg1–/+) 15.e4 Nh5 16.Re3 Qd6 17.d4–/+; B) 14.e4 Nh5 (14...Nd7 15.Re1 Ne5 16.Re3 Qd6 17.Qe2–/+; 14...Qd6 15.Qb3 Nh5 16.Kh1 a5 17.a3+=) 15.a3 Bd6 16.Nc3 Nf4 17.Rb1–+; C) 14.Kh1 Be7 (14...Re6 15.Rg1 Rd8 16.a3 Be7 17.Qf1–/+; 14...Qf5 15.Rg1 Rad8 16.Nc3 Bc3 17.Bc3–/+) 15.Rg1 Rad8 16.Qa4 Qf5 17.f4–/+.

13.gf3 Nd5 A) 14.f4 Qh4 (14...Qd7 15.Qf3 Qf5 16.Qg3 f6 17.a3–/+; 14...c6 15.Qf3 Qd6 16.a3 Ba5 17.d3+=; 14...Re6 15.Qf3 c6 16.e4 Nf6 17.d3+=) 15.Qf3 Rad8 16.a3 Be7 17.Qg3–/+; B) 14.a3 Bf8 (14...Bc5 15.Kh1 Qh4 16.Rg1 Nf6 17.d3+=; 14...Bd6 15.f4 Qh4 16.Qf3 c6 17.Qg3+=; 14...Be7 15.Qb3 Qd6 16.Kh1 Rab8 17.Rg1–/+) 15.d3 Qh4 16.Nc3 Re5 17.Nd5–+; C) 14.Kh1 Qh4 (14...Qd6 15.Rg1 Nf6 16.a3 Ba5 17.Rg5+=; 14...Qe7 15.Rg1 Nf6 16.Qc2 Qd8 17.Qf5+=; 14...Bf8 15.Qb3 Re6 16.Rg1 Rb6 17.Qc2+=) 15.Rg1 g6 16.Rg2 c6 17.Qb3+=.

13.gf3 Re6 14.a3 (14.d3 Qd5 (14...Qd7 15.a3 Be7 16.Qb3 Rb6 17.Qc2–/+; 14...Nd5 15.a3 Rh6 16.Be5 Qg5 17.Bg3–/+; 14...c6 15.Qb3 Ne4 16.Be5 Nc5 17.Qb4–/+) 15.Nc3 Bc3 16.Bc3 Rd8 17.Rb1–/+; 14.Qc2 Ne4 (14...Ne8 15.f4 Qh4 16.f3 Rd8 17.Nc3–/+; 14...Qd5 15.Bf6 Rf6 16.Qe4 Rg6 17.Kh1–/+; 14...Nd5 15.Kh1 Rg6 16.Nc3 Bc3 17.Bc3–/+) 15.Rd1 Qh4 16.fe4 Qh3 17.Be5–+) 14...Ba5 (14...Bd6 15.d3 Nd5 16.f4 Qh4 17.Nd2–/+; 14...Bf8 15.d4 Qd5 16.e4 Qh5 17.Re1–/+; 14...Be7 15.Qb3 Rb6 16.Qc2 Qd5 17.f4–/+) 15.Bc3 (15.d3 Rd6 16.Qb3 Ne4 17.Be5–/+) 15...Nd5 (15...Qd5 16.d4 Rae8 17.Kh1–/+) 16.Ba5 Qh4 White resigned (16...Qh4 17.Bc7–/+ (17.Qc2 Rg6 18.Qg6 hg6–+); 16...Qg5 17.Kh1 Rh6+=) 0–1. Haroldlee123 – marekt, ChessWorld.net, 2016.

13.gf3 Qe7 A) 14.d3 Qe6 (14...Rad8 15.a3 Bd6 16.f4 c5 17.Qf3–/+; 14...Nd5 15.f4 Qe6 16.Qf3 Rad8 17.Rc1+=; 14...c6 15.Qc2 Rad8 16.a3 Bd6 17.Nd2–/+) 15.Qb3 Nd5 16.Qc4 Bd6 17.Rc1–/+; B) 14.Qc2 c6 (14...Nd5 15.Kh1 Rad8 16.Rg1 g6 17.d3+=; 14...Rad8 15.d3 c6 16.a3 Bd6 17.Nd2–/+; 14...Bd6 15.Qf5 Nd7 16.f4 Nc5 17.d4+=) 15.Qf5 Nd5 16.d3 Ne3 17.fe3–/+; C) 14.Qb3 Bd6 (14...Rad8 15.Bf6 gf6 16.d4 Kh8 17.Kh1=; 14...c6 15.Bf6 gf6 16.Nc3 Kh8 17.Kh1=; 14...Kh8 15.Bf6 gf6 16.Kh1 Qe6 17.Rg1=) 15.d3 c5 16.Nc3 b6 17.Ne4–/+.

13.Qf3 c6 14.Rd1 Qd5 15.Qd5 Nd5 (worse is 15...cd5 16.Bf6 gf6 17.a3+/–) 16.a3 Be7 17.Nc3 Rad8 18.Nd5 Rd5 19.e4 Rd3 20.f3 Red8 21.Kf2?? (better is 21.Bc3+=) 21...Rd2–+ 22.Rd2 Rd2 23.Kg3 Rb2 24.a4 f6 25.a5 Bd6 26.f4 g5 27.Ra4 Bf4 28.Kf3 b5 (28...Bh2!? 29.a6–+) 29.Rd4 Rd2 30.g3 (30.Rd2 Bd2 31.a6–+) 30...Rd4 31.gf4 b4 32.Ke3 Rd8 33.fg5 fg5 34.Kf3 b3 (34...b3 35.Ke2 b2 36.Kf3 b1Q 37.Kg4 Qe4 38.Kg3 Rd2 39.a6 Qg2) 0–1. Neumann,Frank – Stadler,Pavel, 48. LSS No Engine Cup Preliminary, 2011.

10.Bc4 Qe7

11.a3 Ba5 12.Qb3 Bb6 13.Bf7?? Qf7–+ 14.Qf7 Kf7 15.Ng5 Kg8 16.f3 Bh5 17.Kh1 Rad8 18.Re1 h6 19.Nh3 Bf7 20.Nf4 Ne5 21.d4 Nc4 (21...Nc4 22.Bc3 Re3–+) 0–1. Madel,K – Rybak,David, Plzen, 1997.

11.Bb5 Qc5= 12.Be2 Qd6=+ 13.a3 Ba5 14.d4 Qe6 15.Nbd2 Nd5 16.Nb3 Bb6 17.Bd3 Rad8 18.Rc1 Nce7 19.Re1 h6 20.Nbd2 Bh5 21.Qb3+= Ba5 22.Rf1 c6 23.Rb1 Rd7 24.Qc2 Bd2 25.Nd2 Bg6 26.Ne4 b6 27.Rfe1 Nf5 28.Nd2 Nh4 29.Bg6 Ng6 30.Rbc1 Rc7 31.Nf1 f5 32.f3+= Nh4 33.Kh1 c5 34.Qc4+= Qf7 35.dc5+/– Ng6 36.Qd4 bc5 37.Rc5 Rd7 38.Qc4 Rb8 39.Bd4 Rbd8 40.Rc8 Rc8 41.Qc8 Kh7 42.Qc2 Qe6 43.Ng3 f4 44.Ne4 fe3 45.Qd3 Ndf4 46.Qe3 Qa2 47.Rg1 Qc2 48.Nc5 Re7 49.Qb3 Re2 50.Qb7 Nh5 51.Qf7 Ngf4 52.Bg7 Ng7 53.Nd7 Nfh5 54.Nf8 Kh8 55.Ng6 Kh7 56.Ne7 Re7 57.Qe7 a6 58.Qe3 Qg6 59.Rc1 a5 60.a4. pierre_d – nitousche, ChessWorld.net, 2005.

11.Nc3 Bf3 12.Qf3 Ne5 13.Qe2 Rad8 14.d4 Nc4 15.Qc4 Bd6 16.h3 c6 17.Rfe1 Bc7 18.e4 Nd5 19.Rad1 Nf4 20.Bc1 Qg5 21.g3 Nh3–/+ 22.Kg2 Nf4?? 23.Kf1+/– Qh5 24.gf4 Ba5 25.Rd3 Qh1= 26.Ke2 Re4 27.Be3 Qh5 28.Kd2 Ree8 29.Kc1 Qf5 30.Rdd1 Qf6 31.Rg1 g6 32.Kb2 b5 33.Qd3 Qe6 34.f5 Bc3 35.Qc3 Qf5 36.Rg5 Qe4 37.Rc5 Rd6 38.Qa3 Rd7 39.Ka1 Re6 40.d5 Rd5 41.Rcd5 cd5 42.Qa7 Qe5 43.Rd4 h5 44.Qa8 Re8 45.Qd5 Qc7 46.Kb1 Rc8+/– 47.Qb3 Qc6 48.Qd3 Qe8 49.Rd6 Kh7 50.Rd5 Kg8 51.Rb5 h4 52.Rb4 Rb8 53.a3 Rb4 54.ab4 h3 55.Qd6 Qe4 56.Kc1 g5 57.Qd8 Kh7 58.Qg5 Qc4 59.Kd2 Qb4 60.Ke2 Qc4 61.Ke1 Qb4 62.Kf1 Qb1 63.Bc1 Qe4 64.Qf4 Qg2 65.Ke2 Kg8 66.Qf3 Qg1 67.Qa8 Kg7 68.Bh6 Kh7 69.Bf4 (69.Bf4 Qg4 70.Ke3 Qe6 71.Qe4 Qe4 72.Ke4+–) 1–0. Mehlhorn,Uwe (2315) – Leisebein,Peter (2240), RSS7E pro–12, 2004.

11.d3 Rad8 =+.

11.d4 Rad8 =+.

11.d4 Ne4 12.Qc2 Bf3 13.gf3 Nd6 14.Bd3 Qg5 15.Kh1 Qh5 16.Qd1 Ba5 17.a3 b5 18.Bc3 Bb6 19.Nd2 a5 20.Rg1 b4 21.Bb2 ba3 22.Ba3 Nb4 23.Be2 Qh4 24.Rg2 Red8 25.Qb3 Rab8 26.Rag1 g6 27.Bb2 Qe7 28.Nc4 Nc4 29.Bc4 c6 30.f4 Qd7 31.Qc3 Nd5 32.Qc2 Bc7 33.f5 Kf8 34.Rg4 Nb4 35.Qe4 Re8 36.Qf3 Nd5 37.Ba3 Kg7 38.Bd3 f6 39.Rg6! Kh8 40.R6g4 Bh2 41.Kh2 Rb3 42.Qg3 Qf7 43.Be2 Ne3 44.fe3 Rbe3 45.Bf3 Ra3 46.Rg7 Rf3 47.Qf3 Qg7 48.Rg7 Kg7 49.Qc6 Re2 50.Kg3 (50.Kg3 h5 51.Qc7 Kf8 52.Qa5+–) 1–0. Scheike,C – Probstfeld,B, freechess.de (year?).

11.d4 Ne4 12.Be2 Rad8 13.a3 Ba5 14.h3 Bh5 15.Qc2 Ng3 16.Rd1 Ne2–/+ 17.Qe2 Bb6 18.d5 Ne5 19.Nbd2 Nf3 20.Nf3 Qe4 21.Rac1 Rd5 22.Rd5 Qd5 23.Rd1 Qe6 24.Qb5 Bf3 25.gf3 c6 26.Qg5–/+ f6 27.Qg4 Qg4 28.fg4 Rd8 29.Rd8 Bd8 30.f4 b5 31.Kf2 Kf7 32.Kf3 a5 33.Ke4 Be7 34.Bc1 Ke6 35.f5 Kd6 36.Bb2 a4 (36...a4 37.g5 c5–+) 0–1. Ahrens,Gerhard (1965) – Bendig,Frank (2260), CiF, 2006.

11.d4 Ne4 12.h3 Bh5 13.Be2 Rad8 14.a3 Bc5 15.Qe1 Bd6 16.Nc3 Ng5 17.Ng5 Qg5 18.Bh5 Qh5 19.Qd1 Qd1 ½–½. Mehlhorn,Uwe (2315) – Leisebein,Peter (2240), RSS5D pro–17, 2004.

11.a3 Bd6

12.Bb5 a6 13.Bc6 bc6 14.h3 Bf5 15.d3 Rab8 16.Bc3 Nd5 17.Qd2 Bd7 18.Qc2 Qe6 19.Nbd2 Qg6 20.Nh4 Qh5 21.Nhf3 Bh3 22.gh3 Re6 23.Rfb1 Rbe8 24.Ne4 Qf3 25.Ng5 Rg6 26.h4 Nf4 27.ef4 Bf4 28.Qe2 Rg5 29.hg5 Qe2 30.Be5 0–1. bambinik (2495) – fonzy (2530), 2003.

12.d4 a6 13.d5 Ne5 14.Be2 =+.

12.d4 Ne4 13.Be2 Rad8 14.Nbd2 Nb8 15.Nc4= Nd7 ½–½. Franke,Roland – Schmidt,Theo, Bahn–chM Stade, 1992.

12.d4 Ne4 13.Be2 Rad8 14.Nbd2 Nd2 15.Qd2 a6 (15...Qe4 16.Rad1=) 16.Rfc1 Bf5 17.Ba6 ba6 18.Rc6 Be4 19.Ra6 Bf3 20.gf3 Qg5 21.Kf1 Qh5 22.Ra5 Qf3 23.Qd1 Qh3 24.Ke2 c5 25.Rc1 Bf4 26.Qd3 Qh2 27.Rac5 Re3–+ 28.Qe3 Be3 29.Ke3 f6 30.R1c2 Re8 (31.Kd3 Qh3 32.Kc4 h5–/+; 30...Qh3 31.Kd2–+) 0–1. marekt – Jose_Luis, ChessWorld.net, 2004.

12.Be2 Nd7 13.Nc3 Rad8 14.Nb5 Nb6 15.Nd6 Rd6 16.Qc2 Rg6 17.Bd3 Rh6 18.Nd4?? (better is 18.Be2=) 18...Qh4–+ 19.h3?? (19.f3 Qh2 20.Kf2 Bh3–+) 19...Bh3 20.f3?? (20.Nf3 Qh5 21.Ng5 (21.gh3 Qh3 22.Nh4 Qh4 23.Bh7 Kh8 24.Bg7 Kg7 25.Qc3 f6 26.Qf6 Kf6 27.Be4 Qh2) 21...Qg5 22.Be4 Bg2 23.Bg2–+) 20…Bg2! (20...Bg2 21.Nf5 Qh2 22.Kf2 Bf1 23.Ke1 Rh3 24.Bf1 Rf3–+) 0–1. Neumann,Frank (1650) – Buchmann,Hans_Peter (2250), RSX16D–Goldener Oktober–1, 2007.

12.Be2 h6 13.d4 =.

9.c4 Bd6

10.d4 dc4=+ 11.Bc4 a6 12.Nc3 =+.

10.d4 dc4 11.Bc4 a6 12.Nbd2+=.

10.d4 dc4=+ 11.Bc4 Ne4 12.Nc3 (12.h3 Bf5=) 12...Ng5=+ 13.Be2 Nf3 14.Bf3 Bf3 (14...Qh4 15.g3 Bf3 16.Qf3=) 15.Qf3 Re6 16.h3 Rf6 17.Qe2 Qd7 (17...Rg6 18.d5 Ne7 19.e4=) 18.Ne4 (18.d5 Ne7=) 18...Rg6 19.Qf3 (< 19.Nd6 Qh3 (19...Qd6?! 20.Rfd1=; 19...Rd6?! 20.Rab1=; 19...cd6?! 20.Qf3=) 20.f3 cd6–/+) 19...Re8 20.Rab1 Qe7 (20...Bf8 21.d5 Nb4 22.Ba3=) 21.Nd6+= cd6 (21...Rd6? 22.Ba3 Nd8 23.Bd6 Qd6 24.Rfc1+–) 22.Bc3 Nd8 (22...Rf6 23.Qd5+=) 23.d5 f6 24.Bd4 b6 25.Rfc1 Nf7 26.Rb3 (26.Rb2 Qd7 27.Kh2 Ng5+=) 26...Ng5 (26...Qd7 27.e4+=) 27.Qf5+= Ne4 28.Qe6 (28.Rc8 Rg5 29.Re8 Qe8 30.Qe6 Qe6 31.de6 Ra5=+) 28...Qe6= 29.de6 Nc5 30.Ra3 ½–½. MrkT – jones662, internet, 2005.

10.d4 dc4 11.Bc4 Qe7 12.Nbd2 =+.

10.d4 Qd7 11.Nbd2= Rad8 (11...Qe6 12.c5 Be7 13.h3=) 12.Rc1 (12.c5 Be7=) 12...Na5 (12...Bb4 13.Bc3 a5 14.a4=) 13.c5+= Be7 14.Ne5 (14.Bc3 Nc6=) 14...Be2 15.Qe2 Qa4 16.Rc3 Qa2? (16...Nd7 17.Ndf3+=) 17.Qb5 (better is 17.Rb1 Bc5 18.dc5+– (18.Rc5?! Nb3 19.Rc2 Ne4+/–)) 17...a6+= 18.Qb4 Nc6?? (18...b6 19.Ra3 bc5 20.Ra2 cb4 21.Ra5 Rd6+–) 19.Nc6+– (19.Qb7 Rb8 20.Qc6 Rb2=+ (< 20...Qb2 21.Rd3+=)) 19...bc6 20.Ra3 (20.Ra3 Rb8 21.Qb8 (21.Ra2?! Rb4 22.Bc3 Rb7+/–) 21...Qa3 22.Qe8 (< 22.Ba3 Rb8 23.Ra1 Kf8=+) 22...Ne8 23.Ba3+–) 1–0. Graf,Michael – Rau,Jurgen, Schwabisch, 1995.

10.d4 Ne7?? 11.Nbd2?? (better is 11.c5+–) 11...c6= 12.a4 Ne4 13.Ne4 de4 14.Ng5 Be2 15.Qe2 Nf5 (15...Ng6 16.f4=) 16.Qg4 (16.Qh5!? Nh6 17.Ba3=) 16...Nh6+= 17.Qh5 Qc7 (17...f6 18.Nh3=) 18.g3 (18.c5 Bf8+=) 18...Bf8 19.Nh3 Rad8 20.Qe2 f5 21.Nf4 Qf7 22.f3 g5 23.Ng2 ef3 24.Rf3 Re4 25.Rc1 Bg7 26.c5 (26.Qc2 Rde8=) 26...Rf8 (26...Bd4!? 27.Rd1 Bf6 28.Bf6 Rd1 29.Qd1 Qf6–/+) 27.Qc4 Qc4 28.Rc4 Rd8 29.h3 Rf8 30.Rb4 Rf7 31.Bc1 Bf8 32.Rb3 Kg7 33.Bb2 Kg8 34.Rd3 Bg7 35.a5 a6 36.Bc1 Kf8 37.Bd2 Ng8 38.Rf1 ½–½. Wister,Finn Arild – Knutsen,Pal Egil, Norwegian Championship, 2016.

10.cd5 Nd5 11.Nc3 Ncb4 =.

9.c4 Qe7

10.Qb3 dc4 11.Qc4 Bd6 =+.

10.Qc2 Rad8 11.d4 dc4 12.Qc4 Bd6 13.Nbd2 a6 14.a3 Na7 15.Qa4 Rc8 16.Rfe1 Bd7 17.Qb3 b5 18.Bd3 c5 19.dc5 Bc5 20.Nd4 Nc6 21.N2f3 Na5 22.Qd1 Ne4 23.Qe2= f6 24.Rec1 Bb6 25.Nh4 Nd6 26.Qh5 Rc1 27.Rc1 g5 28.Nhf5+/– Nf5 29.Nf5 Bf5 30.Bf5 Rd8 31.Bc3 Nc4+– 32.Qh6 Qg7 33.Qf6 (33.Qf6 Qf6 34.Bf6+–) 1–0. Sternik,Ryszard – Cimicki,Dariusz, corr I PZG Poland, 1993.

10.d4 dc4 11.Bc4 Rad8 12.h3 Bh5 13.Be2 Ne4 14.Ne5 Ne5=+ 15.Bh5 Nc4 16.Qc2 Nb2 17.Qb2 c5 18.a3 Ba5 19.dc5 Bc7 20.Qb3? g6–+ 21.Bf3 Qe5 22.Rc1?? Qh2 23.Kf1 Qh1 (23...Qh1 24.Ke2 Qc1 25.Be4 Re4–+) 0–1. Matveenko,Yury (2180) – Lukovnikov,Alexander (2355), Voronezh–ch, 2007.

10.Bf6 Qf6 11.d4 Bf3 12.Bf3= dc4 13.Nd2 b5 14.a4 a6=+ 15.Ne4 Qh6 16.Qb1 ba4 17.Ra4+= Rab8 18.Qa2 c3 19.Ra6+/– Re4 20.Be4 Bd6 21.Rb1 Qh2 22.Kf1 Nb4 23.Rb4 Bb4=+ 24.Qc4 Qh6?? 25.Rh6+– gh6 26.Qc7 (26.Qc7 Rf8 27.Qb6+–) 1–0. Arechavaleta Saez,Julian – Rost,Werner, corr ICCF Cup8/9 V018, 1990.

10.h3 Be6 =+.

9.c4 Bf8

10.Qb3 Na5 11.Qb5 c6 12.Bf6 cb5?! 13.Bd8 Rad8 14.cb5 +=.

10.Qb3 Na5 11.Qb5 c6 12.Bf6 Qf6 13.Qa5 Qa1 14.cd5 Qb2 –/+.

10.d4 dc4 11.Bc4 Qd7 12.Nbd2 =+.

10.d4 Ne7 11.Nc3 c6 12.Qb3 Ng6 13.h3 Bf5 14.a4 Qd7 15.cd5 Nd5 16.Nd5 Qd5 17.Bc4 Qd7 18.Ng5 Nh8 19.Ba3 Ba3 20.Ra3 h6 21.Nf3 Ng6 22.a5 Re7 23.Kh2 Rd8 24.Rc1 Qd6 25.Kg1 Qf6 26.Be2 Bc8 27.Qb4 Ree8 28.Rc5 Nf4 29.Kf1 Nd5 30.Qd2 ½–½. Franke,Roland (1895) – Lux,Juergen (1905), Gemuend tt, 1999.

10.d4 b6

11.Ba3 Bd6 =.

11.Nc3 dc4 12.Bc4 Bd6 13.Bb5 =.

11.Nc3 Na5

12.cd5 Nd5 13.Rc1 c6 14.Nd5 Qd5 15.a3 Qa2 =.

12.cd5 Nd5 13.Rc1 c6 14.Re1 Rc8 15.h3 Bf5 16.Qd2 f6 17.Ba6 Rc7 18.Bd3 Bd3 19.Qd3 Qd7 20.Nd5 Qd5 21.a3 f5 22.Red1 Bd6 23.Ne5 Be5 24.de5 Qd3 25.Rd3 b5 26.Rcd1 Nc4=+ 27.Bc3 Kf7 28.g4 fg4 29.hg4 Rb7 30.Bd4 Ne5–/+ 31.Be5 Re5 32.f4 Re6 33.Kf2 c5 34.Rc3 c4 35.Kf3 Rbe7 36.f5 Re4 37.Rd5 R4e5 38.Re5 Re5 39.Kf4 Rd5 40.Rc2 Rd3–/+ 41.a4 a6 (42.ab5 ab5–/+). Fritz 8 – Fritz 6, 2004.

12.cd5 Nd5 13.Rc1 c6 14.Re1 Rc8 15.h3 Bf5 16.Qd2 f6 17.Bd3 Bd3 18.Qd3 Qd7 19.Red1 Qe6 20.Nd5 cd5 21.Nd2 Bb4 ½–½. Behnicke,Eckhard – Bremer,Joachim, Ruhrgebiet VK3–chT, 1995.

12.cd5 Nd5 13.Rc1 c6 14.Re1 Rc8 15.h3 Bf5 16.Nd5 Qd5 17.Qa4 Bd6 =.

12.cd5 Nd5 13.Nd5 Qd5 14.Ne5 Be2 15.Qe2 Bd6 =.

9.d3 Qd6

10.a3= Bc5 11.Nbd2 =.

10.a3 Bc5 11.d4 Bb6 12.c4 dc4 13.Bc4 Na5 14.Be2 Bf5 15.Bd3 Bd3 16.Qd3 c5 17.Nbd2 cd4 18.Nd4 Rad8 19.Qf5 Bc7 20.N4f3 Qd5 21.Qc2 Rc8 22.Qa4 b5 23.Qh4 Bd8 24.Rfd1 a6 25.Qg3 Be7 26.a4 b4 27.Rab1 Nc4 28.Nc4 Qc4 29.Ne5 Qe6 30.Nd7 Nh5 31.Qe5 Red8 32.Nb6 Qe5 33.Be5 ½–½. Woelfelschneider,Peter – Bonetti,Shane, TT–12 ETC, 2004.

10.Nbd2 Ba3 11.Ba3 Qa3 12.d4 Nb4 13.c3 Qc3 14.Rc1 Qa3 15.Rc7 Qa2 16.Rb7 Rab8 17.Rb8 Rb8 18.Qb1 a5 19.h3 Bf3 20.Qa2 Na2 21.Bf3 Rb2 22.Rb1 Rb1 23.Nb1 Kf8 24.Kf1 Ke7 25.Ke1 h5 26.Bd1 Nb4 27.Nc3 h4 28.Kd2 Ne4 29.Ne4 de4 30.f3 ef3 31.gf3 Nd5 32.Bb3 Kd6 33.Kd3 f5 34.Ba4 g5 35.Bd1 Nf6 ½–½. de Visser,Arno – Korchut,Adam, corr ICCF TT, 2003.

10.Nbd2 Ba3 11.Rb1 Bb2 12.Rb2 b6 13.c4 d4 14.Nd4 Be2 15.Ne2 Qd3 16.Nf4 Qd6 17.Nf3 Rad8 18.Rd2 Qc5 19.Qc2 Rd2 20.Nd2 h6 21.Nb3 Nb4 22.Nc5 Nc2=+ 23.Ncd3 Rd8 24.Ne5 Na3 25.f3 c5 26.e4 Rd2 27.Rf2 Rd6 28.Nd5= Nd7 29.Nc6 a5 30.e5 Re6= 31.f4 Kf8 32.Na7?? Nc4–/+ 33.Nb5 a4=+ 34.Nbc7 Rc6–/+ 35.Re2 b5 36.e6= fe6 37.Ne6 Re6 38.Re6 b4 39.Ra6 Nb2 40.Ra7 Ke8 41.Kf2 b3 42.ab3 ab3 43.Rb7 c4 44.Ke3 Nc5 45.Rb5 Ne6 46.f5 Nd8 47.Kd4 Nf7 48.Rb8+/– Kd7 49.Rg8 Na4?? 50.Rg7+– Ke8 51.Rg8 Kd7 52.Nc3 Nc3 53.Kc3 Nd6 54.Rg7 Ke8 55.Rg6 Ke7 56.Re6 Kd7 57.Rh6 Nf5 58.Rh3 Nd6+/– 59.Re3 Kc6 60.g4 Kd5 61.g5 (61.g5 Nf5 62.Re8+/–) 1–0. Staberg,Karl Arne – Froewall,Ronny, corr SSKK 3–1341, 1992.

10.Nbd2 Ba3 11.Qc1 Bb2 12.Qb2 Rab8 13.c4 d4 14.e4 a5 15.h3 Bf3 16.Nf3 Nd7 17.Nd2 Nc5 18.Nb3 Na4 19.Qc1 Nc3 20.Re1 a4 21.Nd2 Nb4 22.Bf1 Nba2 23.Qc2 Nb4 24.Qb2 Nc6 (24...b5!? 25.e5 Qe7 26.Nf3–+) 25.Nb1–/+ b5 26.cb5 Rb5 27.Qc2 Nb4 28.Qd2 Nba2! 29.Ra2 Nb1 30.Qc2 Nc3 31.Raa1 a3 32.Rec1?? Rb2 0–1. Flewelling,Heather – Dudeney,Keith, GB/TT1/D3 (ENG), 2011.

10.Nbd2 a6 11.c3 Bc5 12.Qb3 b5 13.Rfe1 Na5 14.Qc2= c6 15.Nb3 Bb6 16.h3 Bf5 17.Nbd4 Bd7=+ 18.Nb3 c5 19.Qd2 Nb3 20.ab3= a5 21.c4 a4 22.cb5 Ba5 23.Bc3 Bc3 24.Qc3 Bb5 25.ba4 Ba4 26.Rec1 Nd7 27.Ra2 Bc6 28.Ra8 Ba8 29.d4 c4 30.Ra1 Qg6 31.Bd1 Qb6 32.Ba4+= Bc6 33.Bc2 f6 34.Rb1 Qc7 35.Nh4 Nf8 36.Nf5 Ne6 37.Ng3 Kh8 38.Bf5 Bd7 39.Rb2 Ng5 40.Bb1 Kg8 41.Ra2 Qb6 42.Bc2 Qb7 43.Ra1 Qb6 44.Ra5 Be6 45.h4 Nf7= 46.h5 Qd6 47.Ra7 Bd7 48.Qa5+= Nd8? 49.Ba4+– Ba4 50.Rg7! Kh8 51.Qa4 Nc6 52.Qc2 f5 53.Nf5 Qe6 54.Rb7 Ne7 55.Ne7 Re7 56.Re7 Qe7 57.Qf5 Qd6 58.h6 Qh6 59.Qd5 Qa6 60.e4 Qa1 61.Kh2 c3 62.Qe5 Kg8 63.d5 Qb2 64.f4 Qd2 65.d6 c2 66.Qe8 Kg7 67.Qe7 Kg6 68.f5 Kh6+/– 69.Qh4 Kg7 70.d7 Qd6 71.Qg3 Qg3 72.Kg3 c1Q 73.d8Q Qe3 74.Kh4 Qe4 75.g4 Qh1 76.Kg3 Qg1 77.Kf4 Qf2 78.Ke5 Qe2 79.Kd6 Qd1 80.Ke7 Qd8 81.Kd8 Kf6 82.Ke8 h5 83.gh5 Kf5 84.h6 Kf6 85.h7 Kg7 86.h8Q ½–½. Pierred (2145) – Died (2400), Rated game, 2m + 0s, 2005.

10.Nbd2 Qe6 11.h3 Bh5 12.Rb1 =+.

10.Nbd2 Re7 11.h3 Bh5 12.Nb3 Rae8 13.a3 Ba5 14.Na5 Na5 15.Qd2 Nc6 16.Rfb1 (16.g4 Bg6 17.a4 Rd7+=) 16...b6 (16...Bf3 17.Bf3 Rd7 18.a4+=) 17.Bc3 (17.a4 Na5+=) 17...Nd8 (17...Bf3!? 18.Bf6 Re6=) 18.Nd4 Be2 (18...Bg6!?+=) 19.Nf5+/– (19.Ne2 Inferior is 19...c5 20.Nf4 Ne6 21.Bf6 gf6=) 19...Qc6 20.Ne7 Re7 21.Bf6 Qf6 22.Qe2 c5 23.a4 Nc6 24.Qg4 (24.a5 b5+/–) 24...h6 25.Ra2 (25.c3 g6+/–) 25...Kh7 (25...Re6 26.Ra3+/–) 26.Rab2 Nb4 (26...Re6 27.Rb3+/–) 27.Rb4 (better is 27.d4!?+/–) 27...cb4+= 28.Qb4 Rc7 29.Rb2 Qc6 (29...Rc8 30.Ra2+=) 30.Qb3 Kg8 ½–½. Lasut,Lukasz (1800) – Kubit,Tomasz (2020), Poland–chT2 South U20, 2000.

10.Nbd2 h6 11.Nd4 Be2 12.Qe2 Nd4 13.Bd4 c5 14.Bb2 d4 15.Nc4 Qc7 16.a3 Bc3 17.Bc3 dc3 18.e4 b5 19.Ne3 Rab8 20.Rfb1 b4 21.ab4 cb4 22.Ra6 Rb6 23.Rba1 Ra6 24.Ra6 Re6 25.Re6 fe6 26.g3 a5 27.Nc4 a4 28.Qd1 Qa7 29.Qb1 Ng4 30.Qe1 a3 0–1. Trkn – Juantwo, itsyourturn.com 2000.

10.a3 Ba5

11.Nbd2 a6 12.h3 Bd2 13.Qd2 Bf3 14.Bf3 Rad8 15.Rfc1 b6 =.

11.Nbd2 Bb6 12.Rb1 Rab8 13.Nb3 a5 14.c4 dc4 15.dc4 Qe7 =.

11.Nbd2 Rab8 12.Rb1 Bb6 13.Nb3 a5 14.c4 dc4 15.dc4 Qe7 =.

11.Nbd2 Rac8 12.Rb1 Bb6 13.h3 Bf5 14.c4 Nd7 15.cd5 Qd5 +=.

11.Nbd2 Bd2 12.Qd2 Rab8 13.Rac1 b5 14.Rb1 a6 15.Rfd1 Bf3 =.

11.Nbd2 Qe6 12.Rb1 Rab8 13.Nb3 Bb6 14.Nfd4 Nd4 15.Nd4 Qd7 =.

11.Nbd2 Re6 12.Rb1 Bb6 13.c4 Rae8 14.Bf6 Rf6 15.d4 dc4 =.

11.Nbd2 Qe7 12.Rb1 Bb6 13.c4 Rad8 14.Re1 a6 15.Qb3 dc4 =.

11.Nbd2 Re7 12.h3 Bd2 13.hg4 Be3 14.Bf6 Qf6 15.fe3 Re3 +=.

11.Nbd2 Ne7 12.Rb1 Rab8 13.c4 a6 14.cd5 Bd2 15.Nd2 Be2 +=.

11.Nbd2 Rad8

12.Rb1 Bb6 13.c4 Bf3 14.Nf3 dc4 15.dc4 Qe6 =.

12.Nb3 Bb6 13.Rb1 a5 14.Nfd4 Nd4 15.Nd4 Bd7 =.

12.c4 Bd2 13.Bf6 Qf6 14.Nd2 Be2 15.Qe2 dc4 16.Nc4 Qf5 17.Rad1 b5 18.Nb2 Rd6 19.Rc1 Nd4 20.Qd1 Rg6 21.Kh1 Qd5 22.Rg1 Re3 23.fe3 Nf5 24.h3?? Ng3–+ 25.Kh2 Qe5 26.Rf1 Nf1 (26...Nf1 27.Kg1 Qh2 28.Kf2 Rg2 29.Kf3 Rg3 30.Ke4 Re3 31.Kf5 Re5 32.Kg4 Qg3#) 0–1. Gerold,Guenter – Wedervang,Kim, corr ICCF EU/M82, 1999.

12.c4 d4 13.c5 Qc5 14.Nb3 Qb6 15.Bd4 Nd4 =.

12.h3 Bd2 13.Qd2 Bf3 14.Bf3 b6 15.Be2 Ne5 =.

12.h3 Bf5 13.Rb1 Bb6 =.

12.h3 Bf5 13.c4 Bg6 14.cd5= Qd5 15.Bf6+= gf6 16.d4 f5 17.Bc4 Qd6 18.Bb5 Bd2 19.Nd2 f4 20.Qf3 Re6 21.Bc6 fe3 22.fe3 Qc6 23.Qc6 Rc6 24.Rfc1 Re6 25.Kf2 c6= 26.a4 Rde8 27.Rc3 Kg7 28.Ra2 f5 29.g3 Bf7 30.Rb2 R6e7 31.Nc4 Rd8 32.Na5 Rdd7= 33.Nb3 Rd5 34.Rb1 Be8 35.Rc5 b6= 36.Rd5 cd5 37.a5 ba5 38.Na5 Rc7 39.Nb7 Rc2 40.Kf3 Kf6 41.Nc5 Rh2 42.Nd3 Bh5 43.Kf4 Rd2 44.Rb3 Rd1 45.g4 fg4 46.hg4 Rf1 47.Kg3 Rg1 48.Kf2 Rg4 49.Nf4 Rg5 50.Rb5 Bf7 51.Ra5 h5 52.Ra6 Kf5 53.Ra7 ½–½. Miltner,A – Martino Gross,Peter, M181D BdF, 1994.

10.Nbd2 Rad8

11.a3 Ba5 12.Rb1 a6 13.c4 d4 14.ed4+= Qe7 15.d5 Qe2 16.Qe2 Re2 17.dc6 bc6 18.Nb3+= Bf3 19.Na5 Bg4 20.Nb3 Bc8 21.Bc3 Ree8 22.Bf6+/– gf6 23.Rfd1 Bf5 24.Nc5 Re5 25.Na6 Ra5 26.Nb8 Ra3 27.Nc6 Re8 28.Nb4 Kg7 29.Rbc1 c5+= 30.Nc2 Rd3 31.Ne3 Be4 32.Rd3 Bd3 33.Rc3 Rd8 34.g3 Kg6 35.Ra3 Be4 36.Ra2 Ra8 37.Ra8 Ba8 38.Nf1 Be4 39.Nd2 Bc2 40.Kf1 Kf5 41.Ke2 Kg4 42.Ke3 f5 43.Nf3 f4 44.gf4 f6 45.Nd2 f5 46.Nf3 Bb3 47.Nd2 Ba2 48.Nf3 h6 49.Ne5 Kh3 50.Nd7 Kh2 51.Nc5 Bc4 52.Kd4 h5?? 53.Kc4+– Kg2 54.Ne6 Kf2 55.Kd3?? h4= 56.Ng5 ½–½. Cetwinski,Olgierd (2210) – Tomalak,Stanislaw (2155), corr Poland ch42/43 sf3, 1998.

11.a3 Bc5 12.d4 Bb6 13.c4 dc4 14.Nc4 Qe6 15.Nb6 =.

11.a3 Bc5 12.d4 Bb6 13.c4 Qe7 14.Qc2 Ne4 15.Bd3 Bf3 16.Nf3 dc4 17.Bc4 Ng5 18.Ng5 Qg5 19.Bd3 Qh4 20.Rab1 Ne7 21.a4 c6 22.Ba3 Rd5 23.Rfd1 Ng6 24.h3 Rg5 25.Bf5 Qh5 26.Bg4 Rg4 27.hg4 Qg4 28.f3 Qg5 29.Rb3 h6 30.Kf1 Qh5 31.Bd6 Re6 32.Bb8 Re8 33.Bg3 Ne7 34.Kg1 Qg5 35.Bf2 Qa5 36.Rbb1 Ng6 37.e4 Re7 38.d5 Bf2 39.Kf2 Ne5 40.f4 Ng4 41.Kf3 Nf6 42.dc6 Qh5 43.Ke3 Ng4 44.Kd2 Qa5 45.Kc1 Ne3 46.cb7 Nc2 47.b8Q Kh7 48.Qd8 Qc3 49.Qd3 Qc8 50.e5 g6 51.Qh3 Qc4 52.Qb3 Qf4 53.Kc2 Qf2 54.Kc3 Rc7 55.Kd3 Qg2 56.Qb5 Qf3 57.Kd4 Qg4 58.Ke3 Qg3 ½–½. Bradley – Malmstroem, email CTON 1996.

11.a3 Bd2 12.Qd2 b6 13.Rfb1 Bf3 14.Bf3 Ne5 15.Qe2 =+.

11.h3 Bf5 12.Nb3 Ba3 13.Ba3 Qa3 14.Nbd4 Nd4 15.Nd4 Bg6 16.Rb1 c5 17.Nf3 b6 18.Qc1 Qc1 19.Rfc1 d4 20.e4 Nd5 21.ed5 Re2–+ (21...Re2 22.Nh4 Rd5 23.Ng6 hg6–/+) 0–1. Pagni,CA – Kuhlmann,AEJ, corr ICCF TT–4–90–12, 1990.

9.d3 Bd6

10.Nbd2 Qe7!? =.

10.Nbd2 Bf3 11.Nf3= Ng4 (11...Qe7 12.Rb1=) 12.h3 (12.Rb1 Qe7=) 12...Nge5 13.Nd2 (13.Rb1 Rb8=) 13...Ng6 (13...Qe7 14.Rb1=) 14.c4 d4 (14...Qg5 15.cd5 Qd5 16.Qb3 Qb3 17.ab3=) 15.ed4 (15.Ne4!?+=) 15...Nf4=+ 16.Bf3 Qg5 17.Kh1 Nd3 18.Bc3 (18.Ne4 A) < 18...Nb2 19.Ng5 Nd1 20.Rad1= (< 20.Bd1 Nd4 21.Rb1 Rab8–/+); B) 18...Qf4 19.g3 Nb2 20.gf4 Nd1 21.Rad1 Be7=) 18...Re1–/+ 19.Qe1 Ne1 20.Rfe1 Nd4 21.Bb7 Rd8 22.Ne4 Qe5 23.g3 Bc5 24.Nc5 Qc5–/+ 25.Rad1 h6 26.Re4=+ Qb6 27.Bd5 c5 28.Re7 Rf8 29.Rde1 Qf6 30.Kg2= a6 31.Rc7 Qb6 32.Ree7 Qb1 33.Rc5 Nf5 34.Re5 Qc2 35.Bb4 Rb8 36.a3+– g6 37.Rc7 Ng7 38.Rf7 Kh8 39.Ree7 Rg8 40.Rf3 Rd8 41.Bc3 (41.Bc3 Qc3 42.Rc3+–) 1–0. Collas,Didier (2260) – Magnier,Hugues (2215), FRA–ch Fide Nantes, 1993.

10.Nfd2 Be2=+ 11.Qe2 d4 12.e4 (12.Nc4 Bc5 13.Qf3 Qd5=+) 12...b5 (12...Nd5 13.Nc4=+) 13.Nf3 a5 (13...a6 14.Qd2=+) 14.Nd4 (14.c3 dc3 15.Nc3 Rb8=+) 14...Bh2 15.Kh2 Nd4 16.Bd4 Qd4 17.c3 (17.Nd2 Rad8=+) 17...Qd6 (17...Qd7 18.Rd1–/+) 18.Kg1 (18.f4 c5=+) 18...c5 (18...Rad8 19.d4 c5 (< 19...Re4 20.Qb5 Qd5 21.Qd5 Nd5 22.Kh2=+) 20.Qb5 cd4 (< 20...Ne4 21.dc5 Qc5 22.Qc5 Nc5 23.Na3=+) 21.Qa5 Ne4–/+) 19.Qf3 Rad8–+ 20.d4 cd4 21.cd4 Re4 22.Nc3–/+ Rf4 23.Qg3? b4 24.Nb5 Qb8–+ 25.Na7 Rfd4 26.Nc6 Qg3–/+ 27.Nd8?? Qc7 28.Nf7 Kf7 29.Rfc1 Rc4 30.Rc4 Qc4 (30...Qc4 31.g3 Qe2–+) 0–1. bloodymama – Novice99, Live Game Caissa's Web, 2005.

10.Nbd2 Ne5

11.Rb1 b6 (11...Rb8 12.Ne5 (12.Be5 Be5 13.Ne5 Be2 14.Qe2 Re5 15.Nf3 Re7 16.c4=; 12.c4 dc4 13.Ne5 Be5 14.Nc4 Be2 15.Qe2 Bb2 16.Rb2=) 12...Be2 13.Qe2 Be5 14.Be5 Re5 15.d4 Rh5 16.c4=) 12.Ne5 (12.Be5 Be5 13.Ne5 Be2 14.Qe2 Re5 15.d4 Rh5 16.Nf3=; 12.c4 dc4 (12...Qe7 13.Be5 Be5 14.Ne5 Be2 15.Qe2 Qe5 16.Nf3=; 12...Bf5 13.Ne5 Be5 14.Be5 Re5 15.Nf3 Re7 16.Nd4=) 13.Ne5 Be2 14.Qe2 Be5 15.Nc4 Bb2 16.Rb2=) 12...Be2 13.Qe2 Be5 14.Be5 Re5 15.Nf3 (15.d4 Rh5 16.Nf3=) 15...Rh5 (15...Re8 16.d4=) 16.Rb4 (16.d4 Ne4 17.Rbc1 c5=) 16...Qd6 17.c3 Re8 18.Rh4 Rh4 19.Nh4 Re5 20.g3 d4 (better is 20...c5!?=+) 21.cd4+= Qd4 (21...Ra5!?+=) 22.Nf3+– (22.ed4 Re2 23.Rc1 Nd5–/+) 22...Qg4 23.h3! Qh5 (23...Qh3 24.Ne5) 24.g4 Rg5 25.Ng5 Qg5 26.Qf3 Nd5 27.Rc1 h5 28.Qf5 Qf5 29.gf5 c5 30.a3 f6 31.Kg2 Kf7 (31...Ne7 32.d4 cd4 33.ed4 Nf5 34.d5+–) 32.Kf3 g5 (32...Ke7 33.d4 cd4 34.ed4+–) 33.fg6 Kg6 34.Ke4 (34.Ke4 Nc7 35.d4+–) 1–0. Pagni,Carlo Alberto – Gunther, corr th, 1990.

11.c4 dc4 12.Ne5 (12.dc4 Nf3 (12...Ned7 13.Qb1 b6 14.Bd3 Qe7 15.h3 Bh5 16.Nd4=; 12...Nfd7 13.Rb1 Nc6 14.Qc2 Nc5 15.Nb3 Nb3 16.ab3=; 12...Nc6 13.Qb1 Rb8 14.Bd3 h6 15.h3 Bf3 16.Nf3=; 12...Bf5 13.Qb3 Ne4 14.Ne4 Be4 15.Be5 Be5 16.Rad1=) 13.Bf3 Bf3 14.Qf3 Bh2 15.Kh2 Qd2 16.Bf6=; 12.Nc4 Nc4 13.dc4 Qe7 14.Qb3 Ne4 15.Rad1 Rad8 16.h3=+) 12...Be2 (12...Be5 13.Nc4 Bb2 14.Nb2 Be6 15.d4 Rc8 16.Qc2=) 13.Qe2 Be5 14.Nc4 Bb2 15.Nb2 Qd5 (15...c5 16.Rfc1=) 16.Rfe1 (16.Rfc1=) 16...a5 (16...c5 17.Qc2=) 17.a4 Nh5 18.Qc2 Nf6 (18...Rac8!?=) 19.Qc7+/– Rac8 20.Qf4 Re5 (20...Rc2 21.Rab1+/–) 21.Rac1 Rce8 22.Qc4 Qd6 23.Qb3 (23.d4 Rh5 24.Qc7 Qd5+/–) 23...Rh5 24.h3 Qd7 25.Rc4 (25.Qb6 Rg5 26.Kh2 Re7+/–) 25...b5+= 26.ab5 (26.Rc2 Rg5 27.Kh2 Rd5+/–) 26...Rb5 (26...Rg5 27.Rc2+=) 27.Qc2+/– Qb7 28.Na4 Rb4 29.Rb4 ab4 30.Qb3 Rc8 31.Rb1 h6 32.Kh2 (32.Nc3 Qd7 33.Ne2 Nd5+/–) 32...Qb5 (32...Qc7 33.Kh1+/–) 33.d4 Rb8 34.Nc5 Qc6 35.Qc4 Nd5 36.e4 Nc3 (better is 36...Qd6!? 37.g3 Ne7+–) 37.Rb4+– Rb4 38.Qb4 Ne4 39.Qb8 Kh7 40.Qb1 Qd6 (40...f5 41.Ne4 fe4 42.f3 Qd6 43.g3 Qd4 44.Qe4 Qe4 45.fe4+–) 41.Kg1 f5 42.Ne4 fe4 43.Qe4 (43.Qe4 g6 44.Qe5+–) 1–0. Raanby,Hans – Schafier,Henri, corr ICCF EU–I–990, 1972.

11.Ne5 Be2 12.Qe2 (12.Nf7 Bd1 13.Nd8 Bc2 (< 13...Rad8 14.Bf6 gf6 15.Rfd1+=) 14.Nb7 Reb8 (< 14...Bd3 15.Nd6 cd6 16.Rfd1+=) 15.Bf6 Rb7–/+) 12...Be5= (< 12...Re5 13.Be5 Be5 14.d4+–) 13.d4 (13.Be5 Re5 14.Rab1 Rb8=) 13...Bd6 14.c4 c6 (14...Bb4 15.Rfd1=+) 15.cd5 (15.c5 Bc7=) 15...cd5 (15...Nd5 16.Nc4=+) 16.Qb5 (16.Rfc1 Qe7=) 16...a6=+ 17.Qb3 (17.Qb7? Rb8 18.Qa6 Rb2–+) 17...Qd7 (17...Qa5 18.Bc3 Qc7 19.Nf3=+) 18.Ba3= Rac8 (18...Ba3 19.Qa3 Rac8 20.Rfc1=) 19.Bd6 Qd6 20.Rfc1 (20.Qb7 Rc2 21.Nf3 Rb8=) 20...Rc7 21.Rc2 h5 22.Rac1+= Rec8 23.Nf3 Nd7 24.h3 Nb6 25.Ne5 g6 26.Rc7 Rc7+= 27.Rb1 Nc8 28.a4+/– Kg7 29.Nd3 a5 30.Nf4 Rd7 31.Rc1 Ne7 32.Rc5 b6 33.Rb5 Qc6 34.g3 Rd6+/– 35.Qb2 f6 36.Qb3 Kh6 37.e4 Qc4 38.Qe3 g5 39.ed5 Nf5 40.Qe4 Qc1 41.Kg2 gf4 42.Qf5 fg3 43.fg3 Qd2 44.Qf2 Qg5 45.Qf4 Qf4 46.gf4 h4 47.Kf3 f5 48.Rb2 Kg6 49.Ke3 Kf7 50.Kd3 Ke7 51.Kc4 Rg6 52.Re2 Kd7 53.Re5 Rg3+/– 54.Rf5 Rh3 55.Rf7 Kc8? 56.Rh7 Rh1 57.Kb5 h3 58.Kc6 Rc1 59.Kb6 Rc4 60.f5 Rd4 61.Kc6 Rc4 62.Kd6 Ra4 63.Rh3 Rf4 64.Ke5 Rf1 65.Ra3 Kd7 66.Ra5 Re1 67.Kf6 Kd6 68.Kf7 Rg1 69.f6 Rg2 70.Kf8 Rg3 71.Ra7 Kd5 72.Re7 Kd6 73.f7 Ra3 74.Re8 Rg3 75.Rd8 Ke6 76.Ke8 Rf3 77.f8Q Rf8 78.Kf8 Ke5 79.Ke7 Ke4 80.Ke6 Kf4 81.Rd4 Ke3 1–0. Schoenwaelder,Bernd – Raabe,Joachim, Dortmund op–A, 2003.

11.Ne5 Be2 12.Qe2 Be5 13.Be5 Re5 14.c4 dc4 15.d4 (15.dc4 Qe7 16.Rab1 (16.Nf3 Re4 17.Rfd1 Re8 18.Rd2 Qc5 19.Rb2 b6 20.Rc1 a6+=) 16...b6 17.Nf3 Re4 18.Rfd1 Re8 19.Qd3 a6 20.Rb2 Qc5=; 15.Nc4 Re7 16.Rab1 (16.Qc2 c5 17.Rab1 Qd7 18.Rfd1 Rae8 19.a4 Qc7 20.Nd2 Qd6=) 16...Qd5 17.d4 b6 18.Rfd1 Ne4 19.Qc2 Rae8 20.f3 Nd6=) 15...Rd5 16.Nc4 c5 17.dc5 Rc5 18.Rfd1 Qc7 (18...Qe7 19.Rab1 Ne4 20.Qd3 b5+=) 19.Nd6 (19.Rd4 Rd8 20.Rd8 Qd8=) 19...Nd5 20.Ne4 (20.Nf5 Nc3+=) 20...Nc3 (20...Rc2=) 21.Nc3 Rc3 22.Rab1 b6 23.Qf3 Rc8 24.g3 g6 25.h4 Qc6 26.Rd5 Rd3 27.Rd1 Qd5 28.Qd5 Rd5 29.Rd5 Rc2 30.a4 Ra2 31.Rd4 h5 32.g4 hg4 33.Rg4 Kf8 34.Rc4 Rb2 35.Kg2 b5 36.ab5 Rb5 37.Rc7 a5 38.Ra7 Rb4 39.Kg3 a4 40.f3 Rb3 41.e4 a3 42.Kg4 Rc3 43.f4 Re3 44.e5 Kg7 45.h5 gh5 46.Kh5 Kg8 47.Kg4 Kg7 48.Kf5 Rb3 49.Ra5 Re3 50.Kg4 Kg8 51.f5 a2 52.Kf4 Re2 53.Ra7 Kf8 54.Ra6 Kg7 55.Ra8 Kh7 56.Ra7 Kg8 57.Ra5 Kh8 58.Ra3 Kg7 59.Ra8 Kh7 60.Kg5 Re5 61.Kf6 Rb5 62.Ra2 Rb6 63.Kf7 Rb7 64.Kf6 Rb6 65.Kg5 Kg7 66.Re2 Kf7 67.Re4 Rb1 68.Rg4 Rf1 ½–½. Chashchev,S (2375) – Grinblat,Artemiy (2095), Chigorin Memorial, 2015.

11.Ne5+= Be2 12.Qe2 Be5 (12...Re5? 13.Be5 Be5 14.d4+–) 13.Be5 Re5 14.c4 (14.Rfb1 Rb8=) 14...c5 15.Nf3 Re7 16.Rac1 b6 (16...d4 17.Qd2=) 17.cd5 (17.d4 Rc8=) 17...Qd5 (17...Nd5 18.Rfd1=) 18.Rfd1 (18.d4 Rc8=) 18...Qb7 (18...Rc8 19.Qc2=) 19.d4 (19.Qc2 Rc8=) 19...cd4 (19...Rc8 20.dc5 bc5 21.Rc4=) 20.Rd4 (20.Nd4 Rd8+=) 20...Rc8 21.Rcd1 h6 (21...Qc6 22.Qd3=) 22.Qb5+= Qc7 23.h3 Ree8 24.Qa4 Qc6 25.Qa6 Ne4 26.Qa7 Nc3 27.Rd6= Qc5 28.R1d3 Nb5 (28...Nb5 29.Qb6 Nd6 30.Qd6 Qd6 31.Rd6 Ra8–/+) 0–1. Labahn,Wolfgang – Juelich,T, corr GER–ch qgA32, 1993.

9.d3 Qe7

10.a3 Bc5 11.Nbd2 d4 12.ed4 Ba3 13.Ba3 Qe2 14.Qb1 Nd4 15.Nd4 Qd2 16.Qb7 a5 17.Qc7+= Rac8 18.Qg3+/– Be2 19.Rfb1 Nh5 20.Qh4 f6 21.Bd6 Rcd8 22.Nf5 Qc2 23.g4 Qd3 24.Qh5+– Qe4 25.Ng3 Bg4 26.Qa5 Qf3 27.Ra3 Qc6 28.Bc5 Bh3 29.f3 Rd5 30.Rc1 Qd7 31.Raa1 Rc8 32.Qb4 Kh8 33.Be3 Re8 34.Re1 Rde5 35.Ra5 R5e7 36.Kf2 Qc8 37.Ne4 Qc7 38.Nd6 Re6 39.Rd5 Kg8 40.Qc4 Qc4 41.Nc4 Rc6 42.Nd6 Rd8 43.Red1 Be6 44.R5d3 Ra8 45.Kg3 h5 46.f4 g5 47.fg5 fg5 48.Bg5 Rc5 49.Be3 Rca5 50.Kh4 Kh7 51.R1d2 Rg8 52.h3 Rb8 53.Bd4 Ra6 54.Be5 Ra5 55.Bc3 Rc5 56.Re2 Rd5 57.Rd5 Bd5 58.Re5 Bf3 59.Re7 Kh6 60.Nf7 (60.Nf7 Kg6 61.Ne5 Kf5 62.Nf3+–) 1–0. Pierred (2185) – Piranesi (2515), Rated game, 5m + 0s, 2005.

10.a3 Bc5 11.Nbd2 d4 12.ed4 Ba3 13.Ba3 Qe2 14.Qb1 Nd4 15.Nd4 Qd2 16.Qb7 Qc3 17.Bb2 Qc5 18.Qc6 Qe5 19.Rfb1 Bd7 20.Qc4 a5 21.Nb3 Qd6 22.Bf6 Qf6 23.Qc7 Re2 24.Rf1 Be6 25.c4 Qc3 26.Qf4 Re8 27.Nd4+/– Rb2 28.Ne6 fe6 29.Qd6 Re2 30.Qd7 Rf8+= 31.h3 Qe5 32.d4 Qf6 33.c5 Rd2 34.Rad1 Rd1= 35.Rd1 Qf2 36.Kh1 Qe2 37.Ra1 h6 38.c6 Rf1 39.Rf1 Qf1 40.Kh2 Qf4 41.Kg1 Qc1 42.Kf2 Qd2 43.Kf3+= Qd3 44.Kf4 Qe2 45.h4 Qe1 46.Kf3 Qf1 47.Ke3= Qe1 48.Kd3 Qd1 49.Kc4+/– Qa4 50.Kc3 Qa1 51.Kd2 Qb2= 52.Ke3 Qc3 53.Ke4 Qe1 54.Kf4 Qh4 55.Kf3 Qh5 56.Ke3 Qg5 57.Kd3 Qb5 58.Kc3 Qb4 59.Kc2 Qc4 60.Kd2 Qb4 61.Ke3 Qe1 62.Kf3 Qf1 63.Kg3 Qe1 64.Kg4 Qe2 65.Kf4 g5 66.Kg3= Qe1 67.Kf3 Qf1 68.Ke3 Qe1 69.Kd3 Qb1 70.Ke3 Qc1 71.Ke2 Qc2 72.Kf3 Qd3 73.Kg4 Qe2 74.Kh3 Qh5 75.Kg3 Qh4 76.Kf3 Qf4 77.Ke2 Qe4 78.Kd1 Qd3 79.Ke1 Qe3 80.Kf1 Qd3 81.Kf2 Qd2 82.Kg1 Qe3 83.Kh2 Qf4 84.g3 Qf2 85.Kh3 g4 86.Kg4 Qf5 87.Kh4 Qg5 88.Kh3 Qh5 89.Kg2 Qe2 90.Kh1 Qf3 91.Kg1 Qg3 92.Kf1 Qf3 93.Ke1 Qe3 94.Kd1 h5 95.Kc2 a4 96.c7+/– Qb3 97.Kd2 Qb2 98.Kd3 Qb3 99.Ke4 Qc2 100.Ke5 (100.Ke5 Qf5 101.Kd6 Qd5 102.Ke7 Qg5 103.Ke8+–) 1–0. Pierred (2180) – Eula (2560), Rated game, 5m + 0s, 2005.

10.a3 Bc5 11.Nbd2 Rad8 12.Qb1 =+.

10.c3 Bd6 11.Nbd2 Rad8 12.Qb3 Ne5 13.c4 dc4 14.Nc4 Nf3 15.Bf3 Bf3 16.gf3 b6 17.Kh1 c5 18.Rg1 Kh8 19.Rg2= Bb8 20.Rag1 Qc7 21.f4 Rg8 22.Ne5 Rdf8 23.d4 Qb7 24.Ba3 Be5= 25.fe5 Nd7 26.dc5 Rb8 27.cb6 ab6 28.Qf7+/– Ne5 29.Qb7 Rb7 30.Bb2 Nf3 31.Rd1 Rf8 32.Rg4 Kg8 33.Kg2 h5 34.Rb4 g5 35.Rb5 Nh4 36.Kf1 Nf3+/– 37.h4 gh4 38.Rd6 Kf7 39.Rh5 Ke8 40.Bf6 Rb8 41.Ke2 Ng1 42.Kd3 Rf7 43.Rh8 Rf8 44.Rh4 (44.Rh4 Rf6 45.Rf6 Rd8 46.Kc4 b5 47.Kb5+–) 1–0. Gretencord,Ulrich (2015) – Malmstroem,Jan (1905), DESC, 2001.

10.c3 Bd6 11.Nbd2 Rad8 12.h3 Bf5 13.Nd4 Nd4 14.cd4 c6 15.Nf3 Nd7 16.Qb3 Nf8 17.Rfe1 Ne6 18.Rac1 h6 19.Bf1 Bh7 20.e4 Bb4 21.Re3 Ba5 22.g3 Qb4 23.Qc2 Bb6 24.Bc3 Qd6 25.ed5 Qd5 26.Bg2 Qb5 (worse is 26...Bd4 27.Nd4 Nd4 28.Qb2+/–) 27.a4 Qa6 28.Rce1 Ba5 29.Ba5 ½–½. Trokenheim,Marek (1830) – Le Duigou,Jean_Guy (1880), RB–2012–0–00165, 2012.

10.c3 Bd6 11.d4 Ne4 12.Nbd2 Nd2 13.Nd2 Be2 14.Qe2 a6 15.c4 Ba3 16.Bc3 Bb4 17.Qd3 Bc3 18.Qc3 dc4 19.Nc4 b5 20.Nd2 Na7 21.Rfc1+= Rec8 22.Qc5 Qc5 23.Rc5 c6 24.Nb3 Rd8 25.Rac1 Rd5 26.R5c2 b4 27.e4 Rb5 28.f3 f6 29.Rc5 Rab8 30.Kf2 Rc5 31.Rc5 Rb5 32.Ke3 Rc5 33.Nc5 a5 34.Kd3 Nb5 35.Kc4 Nc3 36.a3! Nb5 37.ab4 ab4 38.Ne6 f5 39.e5 g5? 40.Kb4 Kf7 41.Nd8 Ke8 42.Nc6 Nc7 43.Kc4 Kd7 44.d5 h5 45.Nd4 f4 46.Nf5 Ne8 47.Kd4 Kc7 48.d6 Kd7 49.Kd5 Kd8 50.Ke6 g4 51.Kf7 Kd7 52.e6 Kd8 53.Kg6 gf3 54.gf3 h4 55.h3 Nd6 56.Nd6 Ke7 57.Nf5 Ke6 58.Nh4 Ke5 59.Nf5 Ke6 60.h4 Ke5 1–0. Svitek,Volker (2045) – Genis,Roy (1810), Frankfurt–ch, 2006.

10.Nc3 a6 =+.

10.Nbd2 Ba3 11.Ba3 Qa3 12.Rb1 Rab8 =+.

10.Nbd2 Ba3 11.Qb1 Bd6 12.Re1 Rab8 13.c4 Bb4 14.cd5 Nd5=+ 15.Qc2 Rbd8 16.a3= Ne3 17.fe3 Qe3 18.Kf1 Bf3 19.Nf3 Be1 20.Re1 Qf4 21.Qd1 Qf5 22.Kg1= Qe6 23.d4 Qg6 24.d5 Rd5?? (better is 24...Re7=). Milde,Lars – Moeckel,Jean, TT, 2003.

10.Nbd2 Ba3 11.Rb1 Bb2 12.Rb2 Rab8 13.d4 Qa3 14.Qb1 Ne4 15.Ne4 de4 16.Bb5 ef3 17.Bc6+= fg2 18.Kg2 Rf8 19.Rb7 Rb7 20.Qb7 Qa2 21.Rc1 Be6 22.c4 Bc4 23.Be4 a5 24.Rc2 Qb3 25.Qb3 Bb3 26.Rc7 ½–½. Trokenheim,Marek – Rohde,Friedhelm, corr SOK–93–96, 1994.

10.Nbd2 Ba3 11.Rb1 Rab8 12.Qc1 Bd6 13.c4 =.

10.Nbd2 a5 11.c3 Ba3 12.Ba3 Qa3 13.Qc2 Qd6 14.d4 Ne4 15.Ne4 de4 16.Ng5 Bf5 17.Bc4 Nd8 18.f3 Qh6 19.Ne4 Be4= 20.fe4 (20.fe4 Qe3 21.Qf2 Re4 22.Rae1 Qf2 23.Kf2 Re1 24.Re1=). aschellen (1745) – HaringBastos (1705), internet, 2006.

10.Nbd2 b5 11.a3= Bd6 12.c4 dc4 13.dc4 b4 14.c5 Bc5=+ 15.Bb5 Bd7 16.Qc2 Ne5 17.Be5 Bb5 18.Bf6 gf6 19.Rfc1 Bd6 20.Nd4 Bd7 21.Nc4 Bc5 22.Nd2 Bd6 23.Nc4 Bc5 24.Nd2 Bb6 25.ab4 Qb4 26.Rab1 Qe7 27.Nc4 Bc5 (27...Bc5 28.Nb5 Rac8=). Hasek,Frantisek – Schulz,Hans_Juergen, TT–16.32 ETC, 2005.

10.Nbd2 Bc5 11.Re1 Rad8 12.Rb1 Bb6 13.h3 Bh5 14.Nf1 Ba5 15.N3d2 Be2 16.Re2 Bb6 17.Nf3 d4 18.e4 Nh5 19.Bc1 h6 20.Bd2 Qe6 21.a3 Qd6 22.Re1 Qa3 23.g4 Nf6=+ 24.g5 hg5 25.Ng5 Qe7 26.f4 g6 27.Ng3 Nh7 28.Nh7 Kh7 29.e5 Qh4 30.Kh2 Kg7 31.Rg1 Rh8?? 32.Nf5+– (32.Nf5 Kg8 33.Nh4 Rh4 34.f5+–) 1–0. Garcia Piedra,Juan – Remis,Antonio, Ch Asturias (team) (B), 1998.

10.Nbd2 Bd2 11.Qd2 Rad8 12.Rfe1 Bf3 13.Bf3 Ne5 14.Be2 c5 15.Qa5 b6 16.Qa4 b5 17.Qh4 a6 18.Qg3 Qe6 19.a3 Qf5 20.Rab1 d4 21.h4 h6 22.e4 Qe6 23.f4 Nc6 24.Bf3 c4 25.e5 Nd5 26.dc4 bc4 27.Rbd1 Ne3 28.Re3+= de3 29.Rd6 Rd6 30.ed6 f6 31.Bc6 e2 32.Qe1 Rb8 33.Bc3 Qd6 34.Bf3 Re8 35.Be2 Kh8 36.Qf2 Qa3 37.Bh5 Qc1 38.Kh2 Re4 39.Bd2+– Qa3 40.Bg6 f5 41.Bf5 Re8 42.Bg6 Rd8 43.f5 Qd6 44.Bf4 Qe7 45.Bg3 a5 46.Qb6 a4 47.Qc6 a3 48.Qc4 Rd2 49.Qa4 Kg8 50.Qa5 Rd8 51.c4 Rc8?! 52.Qa6 Rd8 53.c5! Kh8 54.Qa3 Rc8 55.Qa6 Rf8 56.c6 (56.c6 Qe4 57.c7+–) 1–0. Vetter,Udo – Hachenthal,Manfred, DESC, 2004.

10.Nbd2 Bd6 11.Rb1 Nd8 12.c4 c6 13.Bf6 Qf6 14.cd5 cd5 15.Qa4 Qe6 16.Ng5 Qe5 17.Ndf3 Bf3 18.Nf3 Qe7 19.Rb5 Ne6 20.Rd5 Rad8 21.g3 b6 22.Qg4 Qb7 23.Rb5 Nc5 24.Nh4 Bf8 25.Rd1 Qc6 26.Rb4 Qd5 27.Rb2 Nd7 28.d4 Nf6 29.Qf5 Qd6 30.Bb5 Re7 31.Qd3 g6 32.Nf3 Rc7 33.Rb3 Bg7 34.Ne5 Ne8 35.Nc4 Qe7 36.Ba6 Nd6 37.Nd2 Nf5 38.Rc3 Rc3 39.Qc3 Bh6 40.Nc4 Bg7 41.Rc1 h5 42.Nd2 h4 43.Qc7 Rd7 44.Qc8 Kh7 45.Bb5 Rd8 46.Qc7 hg3 47.hg3 Qc7 48.Rc7 Nd6 49.a4 Kg8 50.Ra7 Nb5 51.ab5 Rd5 52.Nc4 Rb5 53.Rb7 Rb1 54.Kg2 b5 55.Na3 (55.Na3 Rb2 56.Nb5+–) 1–0. Zielinska,Marta (2350) – Werner,Veronika (2225), BL, 1998.

10.Nbd2 Bf3 11.Nf3= Bd6 12.d4 (12.Rb1 Rab8=) 12...Na5 13.Qd3 Nc4=+ 14.Qb3 Nb2 15.Qb2 c6 16.c4 dc4 17.Bc4 b5 18.Bd3 a6 19.a4 b4 20.Rfc1 c5 21.dc5 Bc5 22.Qc2 Bd6 23.Qb3 a5 24.Rc6 Rec8 25.Rac1 Rc6 26.Rc6 Qd7 27.Qc4 b3 28.Rb6+/– Rb8 29.Rb8 Bb8 30.Qb3 Qc7 31.g3 h6 32.Bg6 1–0. Wall,Bill – Clark,Brian, IECG Pyramid, 1995.

10.Nbd2 h6 11.a3 Bd6 12.c4 Be6 13.d4 dc4 14.Nc4 Rad8 15.Qc2 Bd5 16.Nd6 cd6 17.Nd2 Rc8 18.Bf3? (better is 18.Qf5!?=) 18...Nd4!–/+ 19.Qd1 (19.Bd4 Rc2 Discovered attack; 19.ed4 Rc2 Discovered attack) 1–0. Welti,Manfred (1920) – Valverde Toresano,Andres, Spain – Switzerland, 2005.

10.Nbd2 h6 11.h3 Bf5 12.Rb1 Rad8 13.c3 Bd6 14.Qb3 b6 15.Qa4 Qd7 16.Qa6 Nb8 17.Qa7 Nc6 18.Qa4 Ra8 19.Qb3 Na5 20.Qc2 Nc4 21.Ra1 Nb2 22.Qb2 c5 23.d4 (23.Qb6?? Reb8 24.Qb3 Rb3 25.ab3 Rd8–+) 23...Qc7 24.c4 Ra4 25.cd5 c4 (25...Nd5? 26.Qb3 Ne3 27.Qa4+– (27.fe3?! Rb4 28.Qd1 Re3+–)) 26.Rac1 Rb4 27.Qa1 b5 28.Bd1 Bd3 (28...Nd5? 29.a3 Ra8 30.e4+– (30.ab4 Ra1 31.Ra1 Bb4+=)) 29.Re1 Nd5 30.e4 (30.a3 Ra8 31.e4+/– (worse is 31.ab4 Ra1 32.Ra1 c3+=)) 30...Nf4 31.a3 Ra8 32.Re3 (32.ab4 Ra1 33.Ra1 c3–+) 32...Qa5 33.Rc3 (33.ab4 Qa1 34.Ra1 Ra1–+) 33...Ra4 34.Ba4 Qa4 35.Kh1 Ba3 36.Re1 Bb4 37.Rcc1 Ne2 38.Rcd1 c3 39.Nb3 Be4 40.Re2 Qb3 41.Qc1 Ba3 (41...Ba3 42.Re4 Bc1 43.Rc1 Qb2–+) 0–1. Schalkwijk,Peter – Ottenweller,Wolfgang, WC–2009–F–00011, 2009.

10.Nd4 Nd4 11.Bg4 Nc2–/+ 12.Qc2 Ng4 13.Nd2 Bd2–+ 14.Qd2 Qd6 15.g3 Re6 16.Qe2 Nf6 17.f4 Rae8 18.Be5 Qe7 19.d4 Rc6 20.f5 Rc4 21.g4? Nd7 22.Bf4 Rd4 23.g5 Qe4 (23...Qe4 24.Qf3 Qf3 25.Rf3 Rc4–+) 0–1. Klein,J – Froschauer,H, corr ICCF EU/M/Gr/798 (year?).

10.Nd4 Be2 11.Nc6 bc6 12.Qe2 Rab8 13.c3 Bd6 14.a4 (14.c4 Rb7=+) 14...Qe5–/+ 15.g3 h5 16.Ra2=+ c5 17.Nd2 Re6 18.Nf3 Qf5 19.Kg2 g5 20.h4 Nh7 21.hg5+= Ng5 22.Ng5 Qg5 23.f4 Qg6 24.Kf2 Rd8 25.Bc1 f5 26.Rh1+/– d4 27.cd4 cd4 28.e4?? fe4=+ 29.de4 Re4 30.Qh5 Qh5 31.Rh5 d3 32.Rd5 Rc4 33.Bd2?? Rc2?? (34.Rc2 dc2+=; Better is 33...Bc5 34.Rc5 Rc5–+) 0–1. Nunez – Grund,Karl, corr ICCF T–19–F, year?

10.h3 Be6 11.a3 Bd6 12.Nbd2 =+.

10.h3 Bh5 11.Nbd2 Ba3 12.Bf6 Qf6=+ 13.d4 Bb4 14.Rb1 b6 15.Qc1 Bd2 16.Qd2= Rad8 17.Rbc1 b5 18.Rb1 Rb8 19.Rb3 Rb6 20.Rc3 Qd6 21.Rc5 Bf3 22.Bf3 Ne5 23.Be2 a6 24.Rd1 Nd7=+ 25.Rc3 h6 26.a3 Nf6 27.Bf3 ½–½. Lebel,Patrick – Barbaric,Tadija, IECG, 2001.

10.a3 Bd6

11.Nc3 Rad8 12.Nb5 Be5 13.Ne5 Ne5? (Better is 13...Be2!? 14.Qe2 Ne5 15.Na7 Ra8+=) 14.Be5+– (14...Be2 15.Bf6 (15.Qe2?! Qe5 16.d4 Qe7=+) 15...Qf6 16.Qe2+–) 1–0. Bonetti,Shane – BayRegion (1900), ICC, 2002.

11.Nbd2 Rab8 12.c4 d4 13.Bd4 (13.Nd4? Qe5 14.f4 Qe3 15.Rf2 Be2 (15...Bf4?! 16.Nf1 Be2 17.Qe2 Qd4 18.Qf3–/+) 16.Qe2 Qd4–+ (16...Nd4?! 17.Qe3 Re3 18.Bd4 Rd3 19.Bf6–/+)) 13...Nd4 14.Nd4 Qe5 15.N4f3 Qh5 16.Re1 c5 17.h3 Bc8 18.Qa4 a6 19.Rab1 Qg6 20.Kf1 Bd7 21.Qb3 b5 22.Qc3 Bc6 23.e4 Nh5 24.Nh4 Qg5 25.Ndf3 Qd8 26.Nf5 Bf8 27.cb5 Rb5 28.N3d4 Be4 29.Rb5 (29.Nh6 gh6 30.Nb5 Bg2 31.Kg2 Nf4 32.Kf3 ab5 33.Bf1 Qa8 34.Kg3 Re1 35.Qe1–/+) 29...Bg2+= 30.Kg2 cd4 31.Qd4 ab5 32.Qd8 Rd8 33.Bh5 g6 34.Re5 Ba3 35.Rb5 gf5 36.Be2 f4 37.Kf3 Rd4 38.Bf1 Be7 39.Ke2 Ra4 40.Rf5 Kg7 41.Kf3 Exerts pressure on the isolated pawn 41...Bh4 42.Re5 Rd4 43.Re4 ½–½. Borrmann,Fritz – Daemel,Wolfgang, DESC, 2006.

11.Nbd2 Be6 12.c4 =+.

11.Nbd2 Bf5 12.c4= dc4 13.Nc4 Rad8 14.Qb3 b6 15.Rac1 Be6 16.Qb5 Bc4 17.Qc4 Na5 18.Qh4 Nd5 19.Qe7 Re7 20.Rc2 c5 21.d4 Nb7 22.Rd1 Nc7 23.dc5 Bc5 24.Rd8 Nd8 25.Ne5 Ne8 26.Rd2 Nd6 27.Bf3 Ne6 28.Nc6 Rc7 29.Bd5 Nf5 30.Be6 fe6+= 31.Rd8 Kf7= 32.Ne5 Ke7 33.Rg8 g6 34.g4+= Nh6 35.Rh8 Kd6 36.h3 b5 37.Nd3 Kc6 38.e4 Bb6 39.Bf6 g5 40.Kg2 Kb7+– 41.f4 Rd7 42.fg5 Ng4+= 43.hg4 Rd3 44.Rh7 Kc6 45.g6 Rd2 46.Kg3 (46.Kg3 Rd3 47.Kf4 Be3 48.Ke5 Bd4 49.Ke6 Bf6 50.Kf6 Rf3 51.Ke5+–) 1–0. Pommerel,Wim – Schirmer,Michael, corr KGP/Z, 1992.

11.Nbd2 Bf5 12.c4 h6 13.Qb3 Qe6 14.Bf6 dc4 15.Nc4 Qf6 16.Qb7 Rab8 17.Qa6 Nd4 18.Nd4 Bh2 19.Kh2 Qa6 20.Nf5 Qf6 21.Bg4 g6 22.Nd4 c5 23.Nf3 Rbd8= 24.Rad1 h5–/+ 25.Bh3 g5 26.Nfd2 g4 27.f3 Qg7 28.Nb3 gh3 29.gh3 Qh6 30.Nc5 Re3–+ 31.Ne3 Qe3 32.Rg1 Kh8 33.Ne4 Qf4 34.Kg2 Rg8 35.Kf1 Qf3 36.Nf2 Rc8 37.Rg2 Kh7 38.Re1 a5 39.Kg1 Rc2 40.a4 Ra2 41.Re4 Rb2 42.Rc4 Qd5 43.Re4 Rb1 44.Kh2 Qd6 45.Rg3 f5 46.Rh4 Kh6 47.Ng4 fg4 48.hg4 Rb2 (48...Rb2 49.Kh3 Qc6 50.Rh5 Kg6 51.Rd5 Qd5 52.Re3 Qg2 53.Kh4 Qf2 54.Rg3 Qf6 55.g5 Rh2 56.Rh3 Qg5#) 0–1. Pierred (2205) – Whell (2365), Rated game, 5m + 0s, 2005.

11.d4 a6 12.c4 dc4 13.Bc4 b5 14.Bd3 Nb8 15.Nbd2 Nbd7 16.e4 Bf4 17.e5 Nd5 18.Qc2 Kh8 19.Be4 N7b6 20.h3 Bf3 21.Nf3 Rad8 22.Rfe1 Nc4 23.a4 c6 24.ab5 ab5 25.Bc1 Nb4 26.Qb3 Bc1 27.Rec1 Ra8 28.Ra8 Ra8 29.Qb1 h6 30.Bc6 Nc6 31.Qb5 Nd4 32.Nd4 Ne5 33.Re1 f6 34.f4 ½–½. Bonetti,Shane – Plock,Joerg, corr, 2002.

11.Nbd2 Rad8

12.c4 d4 13.e4 (13.Nd4? Qe5 14.N2f3 Bf3 15.Nf3 Qb2–+; 13.Bd4 Nd4 (13...Ba3 14.Bf6 gf6 15.d4+=) 14.Nd4 Bh2 15.Kh2 Rd4–+) 13...Bf4 14.h3 Bd2 15.Nd2 Be2 16.Qe2 Ne5 17.f4 Ng6 18.Rae1 c5 19.e5 Qc7 20.Qf3 Nd7 21.Ne4 Qc6 22.Nd6=+ (22.Qh5!? Re7 23.Nd6=) 22...Qf3 23.Rf3 (23.gf3? Nf4 24.Ne8 Re8–+) 23...Nde5 24.Ne8 (24.fe5 Rd6! 25.ed6 Re1 26.Kf2 Re8–+) 24...Nf3 25.gf3 Nf4 26.Nd6 Nd3! 27.Nb7 Rb8 28.Re2 g6 29.Nc5 Nb2 (29...Nc5?! 30.Bd4 Ne6 31.Ba7=) 30.Nd7 Rd8 31.Nf6 Kg7 32.Ne8 Kf8 33.Rb2 Ke8 34.Rd2 Rd6 35.c5 Rd5 36.Kf2 Kd7 37.Ke2 Kc6 38.Kd3 Kc5 39.Rc2 Kd6 40.Rb2 Ra5 41.Kd4 Ra3 42.Ke4 Ra4 43.Ke3 a5 44.Rb7 Ke6 45.Rb6 Ke7 46.Rb7 Kf6 47.Rb6 Kg7 48.Ra6 Rh4 49.Ra5 Rh3 50.Kf2 h5 51.Ra4 h4 52.Rg4 Kf6 53.Kg2?? (53.Rf4 Ke6 54.Rg4–+) 53...Rg3 54.Rg3 hg3 55.Kg3 Kf5 56.Kg2 Kf4 57.Kf2 g5 (58.Ke2 Kg3–+) 0–1. Gerold – Assmann, corr 1997.

12.c4 Bf3 13.Bf3 Ne5 14.cd5 Nf3 15.Qf3 Nd5 16.Nc4 Qh4 17.g3 Qg5 18.h4 Qg6 19.Qd5 Bg3 20.h5 Rd5 21.hg6 Bd6 22.gh7 Kh7 23.Nd6 Rg5 24.Kh2 cd6 25.Rg1 Rb5 26.Rg7 1–0. Pommerel – Salaske, corr SOK–89–45.

12.h3 Bh5 13.Re1 h6 14.Qb1 b6 15.c4 dc4 16.Nc4 Bf3 17.Bf3 Ne5 18.Ne5 Be5 19.d4 Bd6 20.Bc6 Rf8 21.e4 Bf4 22.Qc2 h5 23.e5 Nh7 24.a4 1–0. Pagni – Borrmann, corr 3GMM–49 1994–95.

10.Nbd2 Rad8

11.a3 Bc5 12.d4 Bd6 13.c4 dc4 14.Nc4 Nd5 15.Re1 Nb6 16.Nd6 Rd6 17.Rc1 a6 18.Qc2 Nd5 19.h3 Bh5 20.Qb3 Nd8 21.Ne5 Be2 22.Re2 c6 23.e4 Nf4 24.Ree1 Qg5 25.Qg3 Nde6 26.Rcd1 f6 27.Nf3 Qg3 28.fg3 Ng6 29.h4 c5 30.d5 Nc7 31.h5 Ne5 32.Ne5 fe5 33.Kf2 Rf6 34.Ke3 Nb5 35.Rc1 b6 36.a4 Nd4 37.Rf1 Rf1 38.Rf1 h6 39.Rb1 Rb8= 40.Rc1 Rc8 41.Kd3+= b5 42.Bd4+/– ed4 43.e5 Kf7 44.Rc2 Ke7 45.Rb2 Rb8 46.g4 Ke8 47.Ke4 Ke7 48.g3 b4+= 49.Kd3 b3 50.Kc4 Rb4 51.Kc5 a5 52.Kc6 d3 53.Kc5 d2! 54.d6 Ke6 55.Rd2 b2 56.d7 b1Q 57.Rd6 Ke5 58.Rd5 Ke6 (58...Ke6 59.d8N Kf6 60.Rf5 Ke7 61.Nc6 Kd7 62.Nb4 Qb4 63.Kd5 Qg4 64.Rf7 Kd8–+) 0–1. Gerold,Guenter – Klein,HG, corr ICCF EU/M54 (year?).

11.a3 Bc5 12.d4 Bd6 13.c4 Qe6 14.Qc2 Ne4 15.cd5 Qd5 16.Ne4 Re4? (better is 16...Qe4 17.Qe4 Re4+=) 17.Bc4+– Qh5 18.Qe4 Bf3 19.Bf7! Qf7 (19...Kf7 20.Qf3 Zwischenzug; 19...Qf7 20.Qf3 Zwischenzug) 20.Qf3 Qb3 (20...Qf3 21.gf3 Na5 22.Bc3+–) 21.Qe2 Na5 22.Rfc1 b5 23.Bc3 Nc4 24.Bb4! Na3 (24...Bb4 25.Rcb1 Decoy) 25.Ba3 Ba3 26.Rcb1 (26.Rcb1 Qe6 27.Ra3+–) 1–0. Mirzoev,Azer (2545) – Cabrera Trujillo,Jorge Juan (2315), Pamplona 2nd, 2007.

11.a3 Bc5 12.Re1 Bf3 (12...Bd6 13.Qb1= b6 14.c4 dc4 15.Nc4 Rc8 16.e4 Bf3 17.Bf3 Be5 18.a4 Bb2 19.Qb2 Rcd8 20.e5; 12...a5 13.Rb1 (13.Qc1 b6 14.c4 dc4 15.Nc4 Be6 16.d4 Bd6 17.Nb6 cb6 18.Qc6 Rc8 19.Qb5 Bd7 20.Qd3) 13...b6 14.Qc1 Bf5 15.c4 d4 16.e4 Bg4 17.h3 Bf3 18.Nf3 Qd6 19.Nh4 Qe5 20.f4) 13.Bf3 (13.Nf3 Bd6 14.Rb1 Rb8 15.a4 b6 16.Qc1 Ne5 17.c4 c6 18.Qc2 dc4 19.Ne5 Be5 20.d4) 13...Ne5 (better is 13...Bd6!?= 14.d4 Ne4 15.Be4 de4 16.d5 Bh2 17.Kh2 Rd5 18.Kg1 Red8 19.Bc3 Qd7 20.Rb1) 14.Be5+/– Qe5 15.d4 Bd4 16.ed4 Qd4 17.Re8 (17.Rb1 b6 18.Be2 c5 19.Nf3 Qa4 20.Rb3) 17...Re8 18.Nb3 (18.Nf1 Qd1 19.Rd1 c6 20.Ne3) 18...Qc3 (18...Qe5 19.Qd2+/– (19.Rb1 b5 20.Qd2) 19...c6 20.Rd1) 19.h3 (19.Qd3 Qd3 20.cd3 b6+/–) 19...c6 20.Qd3 Qe5 (20...Qb2 21.c4 dc4 22.Qc4+/–) 21.Rd1 (21.c4 dc4 22.Qc4 Qb2+/–) 21...h5 (21...Qe7 22.c4 dc4 23.Qc4 Qa3 24.Nc5+/–) 22.Qd4 (22.c4 g5 23.cd5 g4 24.dc6 gf3 25.cb7 fg2+–) 22...Qf5? (22...Qd4 23.Nd4 Kf8 24.Kf1+/–) 23.Qd2 (23.Qa7!? Qc2 24.Qb7 Qc3+–) 23...g5 (23...Qe5 24.Qa5+–) 24.Nd4+– Qg6 25.g4 (25.Qa5 g4 26.hg4 hg4+/–) 25...hg4+/– 26.hg4 Ne4 (26...Nd7 27.Nf5 Qf6 28.Qa5+/–) 27.Be4 Re4 28.f3 Re8 29.Nf5 f6? (better is 29...Qf6+–) 30.Re1 Kh8 (30...Re1 31.Qe1 Kh8+–) 31.Qh2 Kg8 32.Ne7 (32.Ne7 Kg7 33.Kf1+–) 1–0. De Visser,Arno – van der Vliet, 1999.

11.Rb1 b5 12.a3 Bd6 13.Bf6 Qf6 14.Rb5 Ba3 15.Qa1 =.

11.Rb1 b5 12.Nd4 Be2 13.Ne2 a6=+ 14.Ng3 Qe6 15.Nf3 h6 16.Ne2 Bd6 17.Qd2 Nh5 18.Qd1 Qg6 19.h3 Be7 20.Re1 Bb4 21.c3 Bd6=+ 22.Ned4 Nd4 23.cd4 Nf6 24.Rc1 a5 25.Ne5 Qg5 26.Nc6 Ra8 27.Qb3 b4 28.Qa4 Qf5 29.Ne5 Qe6 30.Nc6 Qc8 31.Ne5 Qe6 32.Nc6= ½–½. Bonetti,Shane (2000) – Dyda,Tadeusz (2000), P03–MDK, 2005.

11.Rb1 Bc5 12.c4 dc4 13.Nc4 Nd5 14.Qb3 Bf5 15.Rbc1 Be6 16.d4 Bb6 17.Bd3 Ndb4 18.Ba3 Bc5 19.Be2 Bd6 20.Bb4 Nb4 21.a3 b5 22.ab4 Bb4 23.Nfe5 Bd5 24.e4+= Be4 25.Ne3 Rd4 26.Nc6 Bc6 27.Rc6 Bd6 28.Qb5 Rb4 29.Qa6 Rb6 30.Rb6+– ab6 31.Bf3 Qe5 32.g3 Bc5 33.Re1 Qd6 34.Qa4 Qf8 35.Qc6 Be3 36.fe3 Qe7 37.Bd5 Kh8 38.e4 (38.e4 f5 39.e5+–) 1–0. Woelfelschneider,Peter – Kuni,Richard, T16–01 TSC, 2002.

11.Rb1 Bd2 12.Nd2 Be2 13.Qe2 b6 14.Rfe1 Qe6 15.Qf3 Ne5 16.Qg3 c5 17.a3 Ng6 18.Nf3 h6 19.h3 Rd6 20.a4 Qd7 21.a5 ba5 22.Ra1 a4 23.Ra4 Nh5 24.Qh2 Rb6 25.Ra2 Qb7 26.Ba3 Rb1 27.Ra1 Re1 28.Re1 Qb6 29.Ra1 a5 30.Kh1 a4 31.Qg1 Rb8 32.Ra2 Qc6 (32...Qb1!? 33.Qb1 Rb1 34.Kh2 Rb5=+) ½–½. Taulien,Hans_Juergen (2225) – Leisebein,Peter (2240), RSS5D pro–31, 2004.

11.Rb1 d4 12.Nd4 Be2 13.Nc6 Bd1 14.Ne7 Be7 15.Rfd1 +/–.

11.Rb1 d4 12.e4 h6 13.h3 Bh5 14.Nh2 Bg6 15.f4 b6 16.Nb3 a5 17.f5 Bh7 18.Nf3 Bc3 19.Bc3 dc3 20.Qe1 Bf5 21.Qc3 Qd6 22.Qe1 a4 23.ef5 ab3 24.ab3 Nb4 25.Rc1=+ Na2 26.Ra1 Qc5 27.Qf2 Qc2 28.Bd1 Qf2 29.Rf2 Nc3 30.Bc2 c5 31.Kh1 Kf8 32.Ra7 Nb5 33.Ra4 Nd4 34.Nd4 Rd4 35.Kh2 Nd5 36.Rd4 cd4–+ 37.Bd1 Re3 38.Rd2 Nf4 39.Bf3 Rd3 40.Rd3 Nd3 41.Kg3 Ke7 42.Bd5 Kf6 43.Kf3 Ke5 44.Bf7 Kf5 45.Bd5 Ne5 46.Ke2 Kf4 47.Kf2 Nd3 48.Ke2 Ke5 49.Bc4 Nf4 50.Kf3 g5 51.Bf7 d3 52.g3 Ne2 53.Ke3 Ng3 54.Kd3 h5 55.Ke3 Nf5 56.Kf3 g4 57.hg4 hg4–+ 58.Kf2 Kf4 59.b4 g3 60.Kg2 Ne3 61.Kg1 Ke4 62.b5 Kd4 63.Be8 Kd5 ½–½. smurilo – pierre, ChessHere.com, 2006.

11.Rb1 d4 12.e4 h6 13.h3 Bh5 14.Nh2 Bg6 15.f4 b6 16.Bf3 Bc5 17.e5 Nd5=+ 18.Bd5 Rd5 19.Qf3 Qd8 20.Ne4 Be4 21.Qe4 Nb4–/+ 22.Rf2 Na2 23.Ra1 Nc3 24.Qf3 a5 25.Ba3 Qd7 26.Bc5 Rc5 27.Nf1 Qb5 28.Nd2 Qb2 29.Re1 a4 30.Ne4 a3?? 31.Nc3?? Rc3 32.Qd1 Ra8 33.Qb1 Ra5 34.Qb2 ab2 35.Rff1 Rc2 0–1. Wiencek,Tadeusz – Diener,Rudolf, corr, 1988.

11.Rb1 Nd7 12.a3 Ba3 13.Ba3 Qa3 14.Rb7 Qd6 15.c3 Nc5 16.Rb2 Qg6 17.d4 Ne4 18.Qc2 Rb8 19.Rb8 Rb8 20.Bd3 f5 21.Rb1 Rb1 22.Qb1 Bh3 23.Bf1 h6 24.Qb5+– Bg4 25.Qd5 Kh7 26.Ne4 fe4 27.Nd2 Bf5 28.Qc5 Bd7 29.Bc4 Qf5 30.Bd5 g6 31.Ne4 Kg7 32.h3 h5 33.c4 a5 34.f3 h4 35.Qb5 Ne7 36.Qa5 c6 37.Qd8 (37.Qd8 Nd5 38.cd5 cd5 39.Qe7 Qf7 40.Qe5 Kf8 41.Qh8 Ke7 42.Qh4 Kf8 43.Qh8 Ke7 44.Nc5+–) 1–0. Woelfelschneider,Peter – Zimmermann,Joerg, TT–09 ETC, 2003.

11.Rb1 Nd7 12.a3 Bc5 13.c4 dc4 14.d4 =.

11.Rb1 Nd7 12.a3 Bd6 13.c4 dc4 14.Nc4 Nb6 15.Nfd2 Qh4 16.Nd6 Be2 17.Qe2 Rd6 18.Rfc1 Red8 19.d4 Rh6 20.h3 Qe7 21.Qf3 Rf6 22.Qe4 Re6 23.Qf5 a5 24.Rc5 Rf6 25.Qg5 h6 26.Qh4 Nd5 27.e4 Nb6 28.d5 Qc5 29.Bf6 gf6 30.Qg3 Kh8 31.dc6 Qc6 32.Qf4 f5 33.Nf3 Re8 34.Ne5 Qf6 35.Rb5 a4 36.ef5 h5 37.Nd3 Re7 38.Qf3 Kg7 39.Qh5 Re4 40.Qf3 Rd4 41.Ne5 Kg8 42.g3 Rd2 43.Kg2 Ra2 44.Qg4 Kf8 45.Ra5 Rd2 46.Qb4 Qd6 47.Qh4 Rf2 48.Kf2 Qd2 49.Kf3 Qa5 50.Qd8 Kg7 51.Qc7 Qd5 52.Kf4 Qd4 53.Kg5 Qe3 54.Kh5 Qh6 55.Kg4 Qf6 56.Qb7 Qe5 57.Qb6 Qe2 58.Kg5 Qd2 59.Kh4 (59.Kh4 Qd3 60.Qb2 Kh7 61.Qf6+–) 1–0. miehnekort – berthold1976, Yahoo, 2005.

11.Rb1 Nd7 12.h3 Be6 (12...Bf5 13.Nb3=) 13.Nb3 Bd6 (13...Nf6 14.c3 Bd6 15.Nbd4=) 14.Nbd4 (14.Nfd4 Nd4 15.Nd4 c5 16.Ne6 Qe6=) 14...Nd4 15.Nd4 c5 16.Ne6 Qe6 17.Re1 b5 18.a3 Bc7 19.Qd2 (19.Bg4 Qd6 20.f4 d4=) 19...Qd6 20.g3 a6 21.Bf3 (21.f4 Qg6 22.Kh2 Nb6=) 21...Ne5 22.Bg2 Nc6 23.d4 (23.Qc3 d4 24.ed4 Re1 25.Qe1 Nd4=) 23...c4 (23...Ba5 24.c3=) 24.c3 Qg6 25.Qd1 (25.a4 Na5 26.ab5 ab5=) 25...Re6 (25...f5 26.h4=) 26.Qg4 Qg4 27.hg4+= h6 28.Bf3 Ne7 29.Bc1 Kf8 30.Kg2 Ba5 31.Bd2 Ng8 32.a4 ba4 33.Ra1 Nf6 34.Ra4 Bc7 35.e4 Ne4 36.Be4 de4 37.Rc4 Rd7 38.Be3 Bd8 39.Rc8 Ke7 40.c4+/– Ba5 41.Rb1 Rb6 42.Rb6 Bb6 43.c5 Ba5 44.Ra8+– Bc3 45.c6 Rd8 46.Ra6 Rc8 47.f3 ef3 48.Kf3+– g5 49.Ke4 Kd6 50.c7! Kc7 51.Rh6 Rd8 52.Kd3 Be1 53.Bg5 Rg8 54.Bf4 Kd7 55.g5 Ba5 56.Ke4 Bd8 57.Kf5 Be7 58.d5 Bd8 59.Ra6 Rh8 60.Ra7 Ke8 61.Ke5 Rg8 62.d6 Kf8 63.Be3 Rg6 64.Kd5 Re6 65.Bd4 Bg5 66.Ra8 Re8 67.Bg7!! Kg7 68.Re8 f5 69.d7 Kf7 70.d8Q Bd8 71.Rd8 Ke7 72.Rd6 Kf7 73.Ke5 (73.Ke5 Ke7 74.Re6 Kd7 75.Kf5 Kc7 76.g4 Kd7 77.g5 Kd8 78.g6 Kd7 79.g7 Kc7 80.g8Q Kd7 81.Qf7 Kc8 82.Re8#) 1–0. Vorobev,Pavel (1700) – Vasquez,Fernando, FICGS, 2006.

11.Rb1 Qe6 =+.

11.Nb3 a5 12.a3 (12.Nfd4 A) 12...Be2 13.Qe2 (13.Nc6 Bd1 14.Ne7 Be7 15.Rad1 a4 16.Nd4 Kf8=) 13...Nd4 14.Nd4 Bd6= (14...c6 15.Qf3 Qe5 16.Rfb1 Qg5=) 15.Rab1 Qd7 16.Nf3 Ng4=; B) 12...Nd4 13.Bg4 Nb5 14.Nd4 Bc3 15.Bc3 Nc3 16.Qd2 Ng4=+; 12.Nbd4 Nd4 13.Nd4 Bd7 14.Rb1 b6 15.Nf3 Bd6 16.Re1 a4=+; 12.Rb1 A) 12...Bd6 13.Nbd2 (13.Nfd4 Qe5 14.g3 Qh5 15.f3 Nd4 16.Bd4 Bh3=; 13.Nbd4 Nd4 14.Nd4 Bd7 15.Ba1 Rb8 16.Nb5 Bb5=; 13.h3 Bd7 14.Nbd2 Bc8 15.Re1 a4 16.Nd4 Nd4=+; 13.Re1 a4 14.Nbd2 Bc8 15.Bf6 Qf6 16.d4 a3=) 13...Nd7 14.c4 Be6 15.d4 b6 16.Qa4 Na7=; B) 12...Bc8 13.Nbd4 (13.Nfd4 Nd4 14.Nd4 Bd7 15.Bf3 b6 16.Ne2 c6=) 13...Nd4 14.Bd4 Ng4 15.Qc1 Bd6 16.Re1 c5=; C) 12...b6 13.Nfd4 Nd4 14.Bg4 Nb5 15.Nd4 Nd4 16.Bd4 Bc5=; D) 12...Bd7 13.Nbd2 (13.Nbd4 Nd4 14.Bd4 b6 15.Be5 Bg4 16.c3 Bf3=+; 13.Qc1 b5 14.Nbd4 Nd4 15.Nd4 Rb8 16.c4 bc4=) 13...Bc8 14.c3 Bd6 15.Qb3 Ne5 16.c4 dc4=; E) 12...a4 13.Bf6 (13.Nbd4 Nd4 14.Nd4 Bd7 15.Nf3 Ba5 16.a3 b5=) 13...Qf6 14.Nbd4 Bf3 15.Bf3 Nd4 16.Rb4 Nf3=; F) 12...Be6 13.Nfd4 (13.Nbd4 Nd4 14.Nd4 Bd7 15.Bf3 b6 16.Qc1 Bd6=+; 13.Ne5 Ne5 14.Be5 Bf5 15.f4 Bc8 16.Bf3 Ne4=+; 13.Ng5 Bc8 14.Bh5 Rf8 15.Be2 Rde8 16.Nd4 Nd4=; 13.a4 Nd7 14.Nbd4 Nd4 15.Nd4 Nb6 16.c3 Bd6=+; 13.c3 Bd6 14.Re1 a4 15.Nbd4 Nd4 16.ed4 Bg4=+) 13...Nd4 14.Nd4 Bc8 15.c3 Bd6 16.Nb5 Bc5=; G) 12...Bf5 13.Nfd4 (13.Nbd4 Nd4 14.Bd4 b6 15.Ne5 Ra8 16.Nf3 Bd6=+) 13...Nd4 14.Nd4 Bd7 15.Bf3 c6 16.a4 b6=; H) 12...b5 13.Nbd4 (13.Nfd4 Nd4 14.Nd4 Bd7 15.a3 Ba3 16.Ba3 Qa3=) 13...Nd4 14.Nd4 Bd7 15.a3 Ba3 16.Ba3 Qa3=) 12...Bd6=+ 13.h3 (13.Qd2 b6 14.Qc3 Na7 15.Nbd2 c5 16.Qb3 b5=+; 13.a4 b6 14.Rb1 Bd7 15.Nbd2 Ng4 16.c4 d4=+; 13.Qe1 b6 14.Qc3 Na7 15.Nbd2 c5 16.Qb3 b5=+; 13.Re1 Be6 14.Qd2 a4 15.Na5 Na5 16.Qa5 Ra8=+; 13.Nbd2 b5 14.Qb1 Rb8 15.Bc3 b4 16.ab4 ab4=+) 13...Bc8 (13...Bd7 14.Nbd2 Be6 15.Ng5 Bf5 16.Re1 a4=) 14.Re1 (14.d4 Bd7 15.c4 dc4 16.Bc4 Be6=+) 14...b6 15.Nbd4 (15.Nbd2 Be6 16.c4 dc4=+) 15...Nd4 16.Bd4 c5 (16...Ba3=+) 17.Bb2 (17.Bc3 Qe6=) 17...Bc7 18.Bf1 Qd6 19.g3 Nh5 (19...b5 20.Rb1=+) 20.Bg2= Ng3 21.fg3 Qg3 22.Qd2 (22.h4 Bg4=) 22...Bh3=+ 23.Qf2 Qg4 24.Nh2 Qg5 25.Nf3 Qg4 (25...Qg2 26.Qg2 Bg2 27.Kg2=+) 26.Nh2 Qg5 (26...Qg6!? 27.Qf3 Bg2 28.Qg2 Re6=+) 27.Nf3= Qg4 (27...Qg2 28.Qg2 Bg2 29.Kg2=+) ½–½. Martine,Jean Marie – Gutierrez,JG, corr ICCF, 1988.

11.Nb3 Bd6 12.Nbd4 Nd4–/+ 13.Bd4 c5 14.Bf6 Qf6 15.d4 Qh6 16.g3 Re6 17.dc5 Bc5 18.Qd3 Qh5 19.Nd4 Rh6 20.h4=+ Bd4 21.Bg4 Qg4 22.Qd4 Rh4 23.Qg4 Rg4 24.Rfd1 Rc4 25.Rd2 Kf8 26.Kf1 Ke7 27.Ke2 Ke6 28.f4 f5–+ 29.Rb1 b6 30.Kf3 Rdc8 31.Rb2 Rc3 32.Re2 h5 33.Rh2 g6 34.Rd2 R8c5 35.Ke2 Kd6 36.Kf2 Kc6 37.Ke2 R5c4 38.Kf2 a5 39.Re2 a4 40.Ke1 b5 41.Kd1 Kc5 42.Kc1 b4 43.Kd1 Re4 44.Kd2 Kc4 45.Re1 d4 46.ed4 Re1 47.Ke1 a3 48.Rb3 Rb3 49.cb3 Kd4 (49...Kd4 50.Kd2 h4 51.gh4 Ke4–+) 0–1. Ostroverkhova,Elena – Muzychuk,Anna, Kramatorsk, 2002.

11.Nb3 Bd6 12.h3 Bh5 13.Nbd4 (13.Rb1 Qe6=+) 13...Nd4 14.Nd4 Qe5 15.g3 Be2 16.Qe2 c5 17.Nc6 Qb2 18.Nd8 Rd8 19.Rfb1 Qe5 20.Rb7?? Qa1 0–1. Kupec,Jan – Mrkvicka,Josef, CiF FT–96–158B, 1997.

11.Qc1 Bd6 12.Re1 h6 13.Rb1 b6 (13...Nb4 14.Qd1+=) 14.c4= dc4 15.Qc4 Bd7 16.a3 (16.h3 Rb8=) 16...Na5 (16...Ba3!? 17.Ba3 Qa3–/+) 17.Qc2 c5 18.Nc4 (18.Bc3 Nc6=) 18...Nc4+= 19.Qc4 Be6 (19...b5 20.Qc2+=) 20.Qc2= Rc8 21.Ra1 (21.Nd2 Bd5=) 21...Nd5 22.Be5 (22.g3!? b5 23.a4=) 22...Be5–/+ 23.Ne5 Qf6 (23...Bf5 24.f4 c4 25.Qa2–/+) 24.Nc4 (24.Qb2 Ne7=) 24...Rcd8 25.Nd2 Qg6 26.Nf3 Bc8 27.Rab1 Rd6 (27...Bg4 28.Nh4 Qg5 29.Bg4 Qg4 30.Nf3=) 28.Qb2 Bb7 29.Rbc1 Nf6 30.Red1 (30.e4 Nh5 31.Nh4 Qg5=) 30...Red8 (30...Bf3 31.Bf3 Rd3 32.Rd3 Qd3–/+) 31.Qb1? (better is 31.d4=) 31...Bf3–/+ 32.Bf3 Rd3 33.Rd3 Qd3 34.Rd1 (34.a4 Kf8–/+) 34...Qb1 35.Rb1 Rd3 36.a4 Ra3 37.Bc6 Kf8 38.g3 Ke7 39.Rd1 c4 40.Kf1 Ra2 (40...c3 41.h3–+) 41.e4 (41.Rc1!? Ng4 42.Rc4 Rf2 43.Ke1 Rf1 44.Ke2–/+) 41...c3–+ 42.h3 (42.Rc1 Ra3 43.Ke2 Kd6–+) 42...c2 43.Rc1 Kd6 44.Bb5 Ne4 45.Bd3 Nc3 (45...Ra4 46.Rc2 Rb4 47.Kg2–+) 46.Bc2 Na4 (46...Ra3!? 47.Kg2–+) 47.Bb3 Ra3 48.Bf7 Nc5 49.Rd1 Kc7 50.Bg6 (50.Ke2 a5–/+) 50...b5 (50...a5 51.Re1 Kd6 52.Rd1 Ke7 53.Ke1–+) 51.h4 (51.Rd5!? Kc6 52.Rd8–/+) 51...b4–+ 52.Re1 Kd7 53.Re8? (53.Rd1 Ke6–+) 53...a5 (better is 53...Ra6 54.Bh5 g6–+) 54.Rg8 Ne6 55.Bf5 (55.Ra8 a4 56.Ke2 Nd4 57.Kd2 Nf3 58.Ke2 Kd6–+) 55...Kd6 (55...Ke7 56.Ke1 a4 57.Rb8 Ra1 58.Kd2–+) 56.Be6 (56.Ke1 a4 57.Rb8 Nd4–+) 56...Ke6 57.Rg7 b3 (57...b3 58.Rb7 a4–+) 0–1. Santana,Expedito (1690) – Rezende,Guilherme Vilela (2120), Pocos de Caldas BRA, Open, 2014.

11.c3 Bd6 12.c4 Bf3 13.Bf3 Ne5 14.Be5 Qe5=+ 15.g3 Bb4 16.cd5 Nd5 17.Bd5 Qd5–/+ 18.d4 h5 19.Nf3 Re6 20.Ne5 h4 21.Qb3 Qb3 22.ab3= a6 23.Rfc1 Bd6 ½–½. Cernik,Lukas (2185) – Hrbolka,Ladislav Jr (2205), CZE–chT2b, 2005.

11.c3 Bd6 12.Re1 Bf5 13.Rb1 h6 (13...Ng4 14.Qb3+=) 14.Qa4 (14.c4 dc4 15.Nc4 Bb4+=) 14...Qd7 (14...Nd7 15.Qc2=) 15.Qd1 (15.Ba3 Ba3 16.Qa3 b6=) 15...Ng4 16.Nf1 Nge5 17.Bc1 (17.Nd4 Nd4 18.cd4 Nc6+=) 17...b6 18.Bb2 (18.Nd4 Nd4 19.cd4 Ng6=) 18...Nf3 19.Bf3 Ne5 20.Be2 c5 21.f4 (21.Ng3!?+=) 21...Ng4–/+ 22.Bc1 (22.Bg4 Bg4 23.Qb3 Qe6–/+) 22...c4!–+ 23.h3 (23.dc4 Bb1 Pinning (23...Bb1 Deflection)) 23...Nf6 24.g4 (24.Bb2–+) 24...cd3 25.Bd3 Bd3 26.Qd3 Bf4! 27.Rb2 (27.ef4 Re1 Pinning (27...Re1 Deflection)) 27...Bd6 (27...Be5 28.Rd1–+) 28.Rg2 (28.Rd1 Be5–+) 28...Ne4 29.Kh1 Qc6 30.Bb2 d4! 31.cd4 Nf2 32.Kg1 Nd3 33.Ree2 Nb2 34.Rb2 Qf3 35.h4 Qh3 36.g5 Qh4 37.gh6 Qh6 38.Rbe2 Re4 39.a4 Rde8 40.Ra2 R8e6 (40...R8e6 41.Rac2 Rf6–+) 0–1. Pats,V (1995) – Vitinik,M (2215), Vladivostok RUS, Russian Cup, 2012.

11.c4 a6 12.Rb1 dc4 13.Nc4 Nd5 14.Nfe5 Ne5=+ 15.Ne5 Be2 16.Qe2 Bc3 17.d4= c5 18.Nf3 b5 19.dc5 Qc5 20.Rfc1 b4 21.Qa6 Ra8 22.Qd3 Ra2 23.Ng5 Nf6 24.Bc3 bc3 25.Nf3 Ne4 26.Rc2= Rc2 27.Qc2 f5 28.Qa2 Kh8 29.h3 Qc7 30.Re1 (30.Qc2 Kg8=) ½–½. Poschmann,Hans (2275) – Vujanovic,Aleksandar (2130), IECC, 2002.

11.c4 dc4 12.Nc4 b5 13.Ncd2 Bd6 14.Re1 Ne5 15.Be5+= Be5 16.Ne5 Be2= 17.Nc6 Bd1=+ 18.Ne7 Re7 19.Rad1 Rd3 20.Nb3 Red7 21.Rd3 Rd3 22.Kf1 Kf8 23.Rc1 Ne8 24.Ke2=+ ½–½. Sayder,H – Becker,G, GER–ch qgC31 corr939, 1993.

11.c4 Be6 12.Qc2 =+.

11.Nd4 Ne5 12.N2f3 Bd6 13.Nb5 =.

11.Kh1 b6 12.Nd4 Be2 13.Ne2 Bd6 14.Nf3 Ne5 15.Ned4 Qd7 16.Nh4 Bf8 17.h3 c5=+ 18.Ndf5 Qe6 19.a4 g6 20.Ng3 Bg7 21.Qd2 Nc6 22.Nf3 Nd7 23.Bg7 Kg7 24.e4 d4 25.Ng5 Qd6 26.f4 f6 27.e5 fe5+= 28.N3e4 Qd5 29.f5 gf5 30.Rf5 Rf8 31.Qf2 h6–/+ 32.Rf8 Nf8 33.Qf6+= Kg8 34.Qh6 Nd7 35.Nd6 Ne7?? 36.Ne6 (36.Ne6 Qe6 37.Qe6 Kh8 38.Qe7+–; 36.Qh7 Kf8 37.Rf1 Nf5 38.Rf5 Nf6 39.Rf6 Qf7 40.Rf7#) 1–0. Teichmann,Erik (2290) – Jakob,Simon (2230), Bern op, 1991.

11.h3 Bc8 12.c3 Bd6 13.c4 Ba3 (13...Be6 14.d4 dc4 15.Nc4=) 14.Ba3 (14.Bf6!? gf6 15.d4+=) 14...Qa3= 15.d4 Ne4 16.Ne4 de4 17.Nd2 Qd6 18.Re1 Qg6 19.Bg4 Bg4 20.Qg4 Nb4 21.Qg6 hg6 22.Red1 b6 23.a3 Nc6 24.Rac1 White prepares c5 24...f5 25.c5 b5 26.Rb1 a6 27.a4 Rb8 (27...b4 28.Nc4+=) 28.Rb2 Ne7 (28...b4 29.Nc4=) 29.Ra1 (29.ab5 ab5 30.Rdb1 c6=) 29...Nd5 30.ab5 ab5 31.Ra7 g5 Black plans f4 32.g3 f4 33.Rb3 f3 34.Ra5 c6 35.Ra6 Rbc8 36.Rba3 g4 (36...Re7 37.Ra7 Rce8 38.R3a6 Ra7 39.Ra7=) 37.hg4+= b4 (37...Kf7 38.Rb3+=) 38.Ra1 Rb8 39.Rc6 b3 40.Rb1?? (40.Ra7 b2 41.Nb1=) 40...b2+= 41.Nc4 Rb4 42.Nb2 Nc3 43.Ra1 Rb2 44.Rc7 Ne2 45.Kh2+= Re6 46.g5 Nd4 47.ed4= e3 48.d5 Rg6?? 49.d6 Rf2 50.Kh3 Rd2? 51.Re7 e2= 52.d7 Kh7 53.Kg4 Rd7 54.Rd7 f2 55.Rdd1 Rc6 ½–½. Osmak,Iulija (2195) – Terletsky,O (2275), Chervonograd UKR, 9th Cup, 2013.

11.h3 Bf3 12.Nf3 d4 13.a3 Bc5 14.ed4 Ba3 15.Ra3 Qe2 16.Qb1 +=.

11.h3 Bf3 12.Nf3 d4 13.Nd4 Nd4 14.Bd4 Rd4 –/+.

11.h3 Bf3 12.Nf3 Bd6 13.Rb1= Nd7 14.Nd2 b5 15.Bf3 Nb6 16.e4 d4=+ 17.g3 Na4 18.Bg2 Nc3 19.Bc3 dc3 20.Nf3 a6 21.Nh4 Ba3 22.Nf5=+ Qf6 23.f4 Nd4 24.Ne3 Qe7 25.Kh2 Bb2 26.e5 f5 27.g4 fg4 28.Qg4 Qd7 29.Bd5 Kh8 30.Qg2 Ba3 31.Be4 Bc5 32.Nd5 Nf5 33.Qg5 Ne3? 34.Ne3+/– Be3 35.Qh5 g6 36.Bg6 Rg8 37.Bf7 Rg7 38.e6 Qe7 39.Rbe1 Bd4 40.Re5 c5 41.Rd5+/– Rd5 42.Qd5 h6 43.Qa8 Kh7 44.Qe4 Kh8 45.Rf3 Bg1 46.Kh1 Bd4 47.Bg6 Qb7 48.f5 Bf6 49.Bf7 (49.Bf7 Qa7 50.Qf4+–) 1–0. Smolenskij,J – Verkerk,P, corr ICCF cp, 1994.

11.h3 Bf5 =.

11.h3 Bh5 12.a3 Ba5 13.Nb3 Bb6 14.Nfd2 (14.a4 a5=) 14...Be2 15.Qe2 d4 16.e4 Na5 (16...Nd5 17.Nc4=) 17.Rfe1 (better is 17.Na5 Ba5 18.Nc4=) 17...Rc8?? (17...c5 18.Rf1=) 18.c3 (better is 18.Nd4 Bd4 19.Bd4+–) 18...dc3 19.Bc3 Nb3 20.Nb3 Nd5 (better is 20...c5=) 21.Qb2?? (21.Bg7!? Kg7 22.Qg4 Kf8 23.ed5 Qe1 24.Re1 Re1 25.Kh2+=) 21...Nc3 (better is 21...Nf4 22.d4 Nd3–+) 22.Qc3= Red8 23.Rac1 (23.a4 c5=) 23...Qg5 (23...Qa3 24.Ra1 Qd6 25.d4+=) 24.Qd2 (24.d4 c6=) 24...Qf6 (better is 24...Qd2!? 25.Nd2 Rd3–/+) 25.Na5 (25.a4=) 25...Qe7 (25...Qh6 26.Qh6 gh6 27.Nb7 Rd3 28.a4=) 26.Nc4 (26.Nb7 Rd7 27.a4 c5+=) 26...Qe6 (26...Qd7 27.Nb6 ab6 28.Re3=) 27.Qb2 (better is 27.Rc3!?=) 27...h6 ½–½. Herciu,Ana_Maria – Ungureanu,Elena_Alexandra, CN Juniori F14, 2012.

11.h3 Bh5 12.a3 Bd6 13.c4 Bf3 14.Bf3 (14.Bf6 Qf6 15.Bf3 Qe5 16.g3 Qf5 17.Bd5 Qh3 18.Nf3 Re3=) 14...Ne5 15.cd5 Nd3 (15...Nf3 16.Qf3 Nd5 17.Nc4= (17.Rfc1 c5 18.Ne4 b6=) 17...c6 18.Nd6 Qd6=) 16.Bd4 (better is 16.Bf6 gf6 17.Qc2+/– (17.Rb1 Nc5 18.Qc2 a6+/–) 17...Nc5 18.Nc4 a6+/–) 16...Ne5 (16...Ba3? 17.Bf6 Qf6 18.Ra3+–) 17.Qb3 (17.Rb1 b6=+ 18.Kh1 Nf3=+) 17...b6 (17...Nf3!? 18.Nf3 Nd5=+) 18.Be2 (18.Qb2 Qf8=) 18...Bc5 19.Bc5 (19.Bb5 Bd4 20.ed4 Ned7=) 19...Qc5–/+ 20.e4 Qd4 (20...c6 21.Rfc1 Qe7 22.Ra2 cd5 23.Bb5–/+) 21.Qb4=+ Nc6 22.Qd4 (22.dc6 Qd2 23.Bf3 Qf4=+) 22...Nd4–/+ 23.Bd3 c6 24.dc6 Nc6 (better is 24...Ne6!? 25.Bc4 Rd2–/+) 25.Bb5=+ Rd2 26.Bc6 Re6 (26...Red8 27.Rac1=) 27.Rfd1 Rd1 28.Rd1 Kf8 29.Bb7 (29.Rd8!? Ke7 30.Rc8+=) 29...Ne4=+ 30.Rd8 Ke7 31.Ra8 a5 32.Bd5 Re5 33.Ra7 Kd6 34.Bf7 Re7 35.Re7 Ke7 36.Bg8 Nf6 37.Ba2 b5 38.Kf1 Kd6 39.Ke2 Nd5 40.Kf3 Ke5 41.Bb1–/+ h6 42.h4 b4 43.ab4–/+ Nb4 44.Ke3 a4 45.f4 Kd5 46.g4 a3 47.h5 a2 48.Ba2 Na2 49.g5 Nc3 50.f5 Ne4 51.f6 Nf6 52.gf6 gf6 53.Kf4 Ke6 54.Ke4 f5 55.Ke3 Ke5 (55...Ke5 56.Kf3 f4–+) 0–1. Kesmaecker,Philippe (2290) – Caposciutti,Maurizio (2270), Cannes, 1999.

11.h3 Bh5 12.Rb1 a6 13.a3 Bc5 14.d4 Bd6 15.c4 dc4 16.Nc4 Bg6 17.Rc1 Be4 18.Nfd2 Bd5 19.Bd3 Ne4 20.Be4 Be4 21.Ne4 Qe4 22.Qb3 Ne7 23.f3 Qg6 24.Nd6 cd6 25.d5 Qg3 26.a4 b5 27.ab5 ab5 28.Rc2 Rb8 29.Rfc1 h6 30.Qd3 Ng6 31.Bd4 b4 32.Rb1 Rec8 33.Rc6 Rc6 34.dc6 Nh4 35.Qe2 Rc8 36.e4 Ng6 37.Bf2 Qe5 38.Rb4 Rc6 39.Qd2 Kh7 40.Be3 Qg3 41.Qf2 Qe5 42.f4 Qc3 43.Bd2 Qc2 44.Kh2 Rc4 45.Qe3 Ne7 46.Qf3 Nc6 47.Rc4 Qc4 48.Bc3 Ne7 49.f5 d5 50.ed5 Nd5 51.Bb2 f6 52.g4 Nf4 53.Bc3 Nd3 54.Bd2 Ne5 55.Qf4 Qe2 56.Kg3 h5 57.gh5 Qd3 58.Kg2 Nf7 59.Be3 Nh6 60.Qg3 Qf5 61.Qf3 Qc2 62.Kg3 Nf5 63.Kf4 Nd6 64.Kg3 Qc4 ½–½. Schulz,Hans_Juergen – Trokenheim,Marek, email TT–12, 2004.

11.h3 Bh5 12.Rb1 Nd7 13.a3 Bd6 14.c4 dc4 15.Nc4 =.

11.a3 Ba5

12.Nb3 Bb6 13.Rb1 a6 =.

12.Nb3 Bb6 13.Re1 h6 14.Rb1 Bf3 15.Bf3 Nb8 16.a4 c6 17.Nd4 Qc7 18.Nf5 (18.Nf5 Nbd7 19.Be2+=; 18.Bg4 Ba5 19.c3 Ng4 20.Qg4 Qd6+=). Woelfelschneider,Peter – Cornacchini,Gabriele, T8e–07 TSC, 2002.

12.Nb3 Bb6 13.h3 Bf5 14.Re1 h6 15.Qd2 Qd6 16.a4 a6 17.Ba3 Qd7 18.a5 Ba7 19.Rab1 b5 20.ab6 Bb6 21.Ra1 Ra8 22.Bb2 Qe7 23.Ra4 Be6 24.Ba3 Qd7 25.Nc5 Bc5 26.Bc5 Qc8 27.Qc3 Qb7 28.Nd2 Bd7 29.Rb1 Qc8 30.d4 Nb8 31.Bd3?? Ba4–+ (32.Ra1 Bd7–+) 0–1. Woelfelschneider,Peter (1950) – Rueberg,Mathias, KO–022 VCC, 2002.

12.Rc1 Nh5 13.h3 Bc8 14.Nd4 Nd4 15.Bh5 Nf5 16.e4 Nh4–/+ 17.f4 de4 18.Ne4=+ Nf5 19.Qf3 Nd4 20.Qf2 g6 21.Bd1? f5 22.Nd2? Bb6 23.Kh1 Nb3! 24.Qg3 Nd2 25.Bh5 Nf1 26.Rf1 Bd4 27.c3 Bg7 28.Bf3 Rd3 29.h4 Bd7 30.h5 Qe6 31.Qf2 Rf3 32.Qf3 Bc6 (32...Bc6 33.Qf2 Qe2–+) 0–1. Kool,GJ – Barendse,Ted, NED–sf Enschede, 1998.

12.c4 Bb6 13.d4 dc4 14.Bc4 Na5 15.Bd3 c5 16.Qb1 h6 17.dc5 Bc5 18.Nd4 a6 19.h3 Bc8 20.Bc3 Nc6 21.Nc6+= bc6 22.Nc4 Rd5 23.Na5 Qc7 24.Bc4 Rg5=+ 25.Kh1 Bh3 26.gh3 Qd7 27.Kh2 Rh5 28.Bf7 Kf7 29.Qb7 Bd6 30.Kg2 Bc7 31.Qb3 Kf8 32.Bb4 c5 33.Bc5 Rc5 34.Rfd1 Rg5 (34...Rg5 35.Kf1 Qh3 (35...Ba5?! 36.Rd7 Nd7 37.Qa4–/+; 35...Ra5?! 36.Rd7 Nd7 37.Qb7=) 36.Ke2 Qg4 37.Kf1 Ba5–+; 34...Ra5?! 35.Rd7 Nd7 36.Qb7=+; 34...Ba5?! 35.Rd7 Nd7 36.Qd3 Rg5 37.Kf1–/+) 0–1. Argitis,S – Kaldis,Georgios (2070), Attica–ch op, 2003.

12.c4 Bd2 13.Nd2 Be2 14.Qe2 dc4 15.Nc4 b5 16.Nd2 Ne5 17.d4 =.

12.c4 Bf3 13.Bf3 Bd2 14.cd5 Na5 15.Qd2 Nb3 16.Qb4 Qb4 17.ab4 =.

12.c4 h6 13.d4 Ne4 14.cd5 Rd5 15.Ne4 Qe4 16.Rc1 Bf5 17.Qb3 Rd6 18.Bc4 Bg6 19.a4 Bh5 20.Ba3+/– Rf6 21.Bd5 Qg6 22.Bc6 bc6 23.Ne5 Re5 24.de5 Bf3 25.g3 Qg4 26.Rfd1 Rf5 27.e6 Qh3 28.ef7+/– Kh7 29.f8N Rf8 30.Qd3 Rf5 31.Qf1 Qf1 32.Rf1 Be2 33.Rc6 Re5? 34.Bb2+– (34.Bb2 Re7 35.Rfc1+–) 1–0. Hebels,Alex (1970) – Nebe,Lutz (1900), L1.1999.0.00007, 1999.

12.d4 Ne4 13.Ne4 de4 14.Nd2 Be2 15.Qe2 Bd2 16.Qd2 Qg5 17.Qe2 Rd6 18.c4 Qh4 19.Bc3 Rh6 20.h3 Rg6 21.Kh1 b6 22.a4 a6 23.a5 ba5 24.Rfb1 Qg5 25.Qf1 Qf5 26.Rb2 Rd8 27.Rba2 Rb8 28.Ba5 Qc8 29.Bc3 Ne7 30.Qe2 Nf5 31.Qc2 Nh4 32.Qe4 Ng2 33.Kh2 Rbb6 34.d5+/– c5 35.Rb2 Rb2 36.Bb2 Qd8 37.d6 Qd6 38.Be5 Qd8 39.Rd1!+– Qf8 40.Bc7 (40.Bc7 Re6 41.Qg2+–) 1–0. Pleschke,Helmut (2070) – Markus,Roland (2155), WC.2006.P.00014, 2003.

11.a3 Bd6

12.Rb1 b6 13.Qc1 =+.

12.Rb1 Be6 13.Bf6= Qf6 14.Rb7 Rb8 15.Rb8 Rb8 16.c4 dc4 (16...Ba3? 17.Qa4 dc4 18.dc4 Bc4 19.Nc4+–) 17.d4 (17.Nc4 Bc4 18.dc4 Ba3=) 17...c3 (17...Ba3? 18.Qa4 (18.Bc4?! Bc4 19.Nc4 Bd6=; 18.Nc4?! Bb4+=) 18...Nd4 19.Nd4+–) 18.Ne4 Qe7 (18...Qg6!? 19.Nc3 Bh3+= (19...Ba3? 20.Qa4+–)) 19.d5+/– (19.Nd6 cd6 20.d5 c2+–) 19...Rd8 (19...c2 20.Qd2 Rd8 A) 21.de6 Bh2 22.Kh2 Rd2 23.Nfd2 Qa3 (< 23...fe6 24.Rc1+/–) 24.ef7 Kf8–/+; B) 21.Nd6?! Qd6 22.e4 Bg4+/–; C) 21.Qc2+/–) 20.Nc3 Bg4 21.dc6 Bf3+= 22.Bf3 Qe5 23.g3 Qc3 24.a4 Qf6 25.Qe2 Rb8 26.Kg2 Qc3 27.Qa6 Bc5 28.Rd1 Qc2 29.Qd3 Qd3 30.Rd3+/– Rf8 31.Rd7+– Bb6 32.h4 g6 33.Bd5 h6 34.Bc4 a5 35.Kh3 Kg7 36.e4 Bf2 37.e5 (37.e5 Bb6 38.e6+–; < 37.Rc7 Bd4+–) 1–0. Alvarez Villar – Vetter, TT–16 ETC, 2005.

12.c4 dc4 13.Nc4 Bc5 14.Qb3 Nd5 15.d4 Bd6 16.Rfe1 Qd7 17.Rac1 Qc8 18.Nd6 Rd6 19.Ne5 Be2= 20.Re2 Ne5 21.de5 Rdd8 22.g3 b6 23.e4 Ne7= 24.e6 f6 25.f4 c5 26.Qc4 Qc6 27.f5 b5 28.Qc5+/– Rd1 29.Kf2 Rc1 30.Qc1 Qb7 31.g4 Rc8 32.Qf4 h6 33.h4 Qb6 34.Kg2 b4 35.ab4 Qb4 36.g5 hg5 37.hg5 Nd5 38.Qf3 fg5 39.ed5 g4 40.Qe3 Qd6 41.Qe5 (41.Qe5 Qe5 42.Be5+–) 1–0. Polzer,H – Weinitschke,G, corr ICCF EU/M/Gr/832 (year?).

12.c4 Ne5?? 13.c5!+– Nf3 14.gf3 Bh3 15.cd6 Rd6 16.Kh1?? Bf1= 17.Bf1 Nd7 18.f4 Qh4 19.Qf3 Rh6 20.h3 c6 21.Kh2 Nf6 22.Be2 Ng4? 23.Qg4+– Qf2 24.Qg2 Qg2 25.Kg2 Re3 26.Kf2 Reh3+/– 27.Nf3 c5 28.Rg1 f6 29.a4 Rh1 30.a5 Rg1+= 31.Ng1 Kf7 32.Bf3 Ke6 33.Ne2 g5 34.Kg3 b6+= 35.a6 d4 36.Bc1 Rg6 37.fg5 fg5 38.Kg4 h6 39.Ng3 b5+= 40.Bc6 b4 41.Ne4 Ke5 42.Bb5 Rg7 43.Bc4 (43.Bc4 Rc7 44.Bd2=). Adam,Stefan – Molzahn,Norbert, corr ICCF WT–M–518, 1991.

12.c4 Be6 =+.

12.c4 Bf3 13.Bf3= Ne5 14.cd5 Nf3 15.Qf3 Nd5 16.Nc4 Qh4?? 17.g3=+ Qg5 18.h4 Qg6 19.Qd5 Bg3 20.h5 Rd5 21.hg6 Bd6 22.gh7 Kh7 23.Nd6 Rg5 24.Kh2 cd6 25.Rg1 Rb5? 26.Rg7 (26.Rg7 Kh6 27.Bd4+–) 1–0. Pommerel,Wim – Salaske, corr SOK–89–45, 1989.

12.Re1 Ne5 13.Be5 Be5 14.Ne5 Be2 15.Qe2 Qe5 16.Nf3 Qd6 17.a4 c5 18.a5 Rd7 19.Qd2 h6 20.Reb1 Rde7 21.Qc3 Ng4 22.Rb5 Rc7 23.Qb2 Ree7 24.h3 Nf6 25.Ra3 Kh7 26.Rc3 Nd7 27.Qb1 Qc6 28.Ra3 Kg8 29.c4 dc4 30.dc4 Nf6 31.Rd3 Qe8 32.Qc2 Red7 ½–½. Woelfelschneider,Peter – Zulauff,Harri, T16–02.90, 2002.

12.Re1 Ne5 13.Ne5 Be2 14.Qe2 Be5 15.d4 (15.Be5 Qe5 16.Nf3 Qe7=) 15...Bd6+= 16.c4 c6 17.cd5 (17.g3 Qe6+=) 17...cd5 18.Rec1 Rc8 19.a4 Qd7 (19...Qe6 20.Qb5+=) 20.Qb5 Rc1 (20...Qf5 21.h3+=) 21.Rc1 Rc8 22.Qd7 Rc1 (22...Nd7?? 23.Rc8 Nf8 24.e4+–) 23.Bc1 Nd7 24.Nb3 (24.e4 Kf8+=) 24...b6 (24...a6 25.Na5 b5 26.ab5 ab5 27.Bd2=) 25.Bd2 f5 26.f3 Kf7 27.Kf2 Ke6 (27...g6 28.g3=) 28.g3 h5 (28...a6 29.Nc1=) 29.h4 (29.Nc1 Nb8=) 29...Be7 (29...Nb8 30.Nc1+=) 30.Ke2 Nb8 31.Nc1 Bd6 32.Be1 Nc6 33.Nd3 (33.Kd3 Nb4 34.Bb4 Bb4=) 33...g6 (33...a6 34.Kf1+=) 34.Kd1 Kd7 35.Kc2 Kc7 (35...a6 36.Nc1=) 36.Kb3 (36.Nc1 Kd8=) 36...Kd7 37.Kc2 Ke6 38.Kb3 (38.Kd1 Kf7=) 38...Kd7 (38...a6 39.Kc2=) 39.Kc2 Ke6 40.Kb3 ½–½. Rojas Pozo,Jose Luis (1970) – Marcos Herrero,Francisco (1910), Fase Semifinal B, 2013.

12.h3 Be6 13.Re1 =+.

12.h3 Bf3 13.Nf3 Ne5 14.Qb1 Rb8 15.Ne5 Be5 16.d4 Bd6 17.c4 c6 18.cd5 cd5 19.Bc3 Ne4 20.Bb4 b6 21.Qb2 a5 22.Bd6 Qd6 23.Bb5 Rec8 24.Rac1 Ra8 25.Ba6 Rcb8 26.Bd3 Rc8 27.a4 Qe6 28.Rc8 Rc8 29.Rc1 Rc1 30.Qc1 Nf6 31.f3 (31.Bb5 g6+/–) 31...g6 32.Kf2 Qd6 33.Bb5 Kg7 34.Qc6 Qa3 35.Qc2 Qd6 36.Qc3 h5 ½–½. Szabo,Almos (2300) – Antal,Istvan (2275), 1st Romanian Internet Championship Fina, 2005.

12.h3 Bh5 13.Re1 h6 (13...b5 14.Nb3=+) 14.Qb1= b6 15.c4 dc4 16.Nc4 Bf3 17.Bf3 Ne5 18.Ne5 Be5 19.d4 Bd6 20.Bc6 Rf8 21.e4 Bf4 22.Qc2 h5 23.e5 Nh7 24.a4 1–0. Pagni,Carlo – Borrmann,Fritz, corr 3GMM–49, 1995.

12.c4 d4

13.Bd4 Ba3 14.Bf6 gf6 15.Qb3 +/–.

13.Bd4 Nd4 14.Nd4 Bh2 15.Kh2 Rd4=+ 16.Nf3 Bf3 17.Bf3 Qd6 18.Kg1 =+.

13.Nd4 Qe5 14.f4 Qe3 15.Rf2 Nd4 16.Bg4 Ng4 17.Qg4 f5–+ 18.Qh5 –+.

13.e4 Ne5 14.Ne5= Be2 15.Qe2 Qe5 16.f4 Qe6 17.h3 c5 18.Qf3 Be7 19.Rae1 Qc6 20.g4 Rb8 21.g5 Nd7=+ 22.Bc1 Bd8 23.Re2 a6 24.Qg3 Ba5 25.Bb2 Bd2 26.Rd2 b5 27.Rc1 b4 28.ab4 Rb4 29.Ra1 ½–½. Betzelt,T – Kuhl,E, corr ICCF, 1992.

13.e4 Bf4 14.Nb3 Bf3 15.Bf3 a5 16.g3 Bh6 17.Bg2 a4 18.Nc1 =.

13.e4 Bf4 14.Re1 a6 15.h3 Bh5 16.Rb1 b6 17.Nh4 Be2 18.Re2 =.

13.e4 Bf4 14.h3 Bd2 15.Nd2 Be2 16.Qe2 Ne5 17.f4 Ng6 18.Rae1 c5 19.e5 Qc7 20.Qf3 Nd7 21.Ne4 Qc6 22.Nd6 Qf3=+ 23.Rf3 Nde5 24.Ne8 Nf3 25.gf3 Nf4 26.Nd6 Nd3 27.Nb7 Rb8 28.Re2 g6 29.Nc5 Nb2 30.Nd7 Rd8 31.Nf6 Kg7 32.Ne8 Kf8 33.Rb2 Ke8 34.Rd2 Rd6–+ 35.c5 Rd5 36.Kf2 Kd7 37.Ke2 Kc6 38.Kd3 Kc5 39.Rc2 Kd6 40.Rb2 Ra5 41.Kd4 Ra3 42.Ke4 Ra4 43.Ke3 a5 44.Rb7 Ke6 45.Rb6 Ke7 46.Rb7 Kf6 47.Rb6 Kg7 48.Ra6 Rh4 49.Ra5 Rh3 50.Kf2 h5 51.Ra4 h4 52.Rg4 Kf6 53.Kg2 Rg3 54.Rg3 hg3 55.Kg3 Kf5 56.Kg2 Kf4 57.Kf2 g5 (57...g5 58.Kg2 Ke3–+) 0–1. Gerold,Guenter – Assmann,Winfried, corr Germany, 1998.

11.Rb1 a6

12.a3 Bc5 13.Bf6 Qf6 14.d4 Bb6 15.Bd3 Na5 (15...Rd7 16.h3 Bh5 17.c4 dc4 18.Nc4 Bf3 19.Qf3 Qf3 20.gf3 Bd4 21.Rb7+=) 16.h3 ½–½. Grott,Peter (1945) – Leisebein,Peter (2105), DESC, 2000.

12.a3 Bd6 =.

12.c3 Bc5 13.d4 Bd6 14.c4 Bf5 15.Rc1 Ba3 (15...Qe6 16.Nh4 Be4 17.Ne4 Ne4 18.Nf3=) 16.Qb3 Bb2 17.Qb2 Qb4 18.Qa1 Qe7 19.cd5 Nb4 (worse is 19...Nd5 20.Ba6 Na5 21.Be2+/–) 20.a3 Nbd5 21.Qb2 c6 22.Ne5 Ne4 23.Ne4 Be4 24.Bd3 Nf6 25.Rfe1 Bd3 26.Nd3 Rb8 27.a4 a5 28.h3 Qc7 29.Rc5 Rbd8 30.Nf4 Rd7 31.Rb1 Qd8 32.Qb6+= Qb6 33.Rb6 Ra8 34.f3 g6 35.Kf2 h5 36.Rc1 Re8 37.h4 Kf8 38.Rb3 Kg7 39.Nd3 Rde7 40.Re1 b6 41.Nf4 Rb8 42.Rc1 Rc7 43.e4 c5 44.dc5 Rbc8 45.Rb6+– Nd7 46.Rb5 Nc5 47.Ra1 Ra7 48.Ke3 Nd7 49.Rd1 Rc4 50.Rd4 Rc6 51.Kf2 Nf8 52.Kg3 Rc2 53.Re5 Nh7 54.Re8 Nf6 55.Red8 Rc5 56.R8d6 Rcc7 57.Rf6! Kf6 58.Nd5 Ke6 59.Nc7 Rc7 60.Rd5 Ra7 61.Kf4 Kf6 62.e5 Kg7 63.Kg5 Ra8 64.g3 Ra6 65.Rc5 Kh7 66.Rb5 Kg7 67.g4 hg4 68.fg4 Ra7 69.h5 gh5 70.gh5 Ra6 71.Rc5 Kh7 72.Rd5 Rc6? 73.Ra5 Re6 74.Rd5 Ra6 75.Rd7 Kg8 76.Rd8 Kh7 77.a5! Re6 78.Kf5 1–0. Fels,Bernhard (2025) – Nenciulescu,Silviu (2055), BI–2011–F–00008, 2012.

12.c3 Bc5=+ 13.Re1 Bf5 14.Nb3 Bd6=+ 15.Nbd4 Bd7 16.Nc6 Bc6 17.h3 Bd7 18.Qc2 c5 19.c4 dc4 20.Qc4 b5 21.Qh4 Nd5 22.Qe7 Re7 23.a3 f6 24.Rec1 Be6 25.Nd2 Bf5 26.Bf3 Ne3–/+ 27.fe3 Bd3 28.Ra1 Re3 29.Nf1 Ree8 30.Bc3 c4 31.Ba5 Rb8 32.Rd1 Kf7 33.Bh5 g6 34.Bf3 h5 35.Nd2 Bc5 36.Kh1–/+ Bc2 37.Rdc1 Bf5 38.Nb1 Re3 39.Nc3 Bd6 40.Rd1 Be5 41.Bd5 Kg7 42.Rac1 h4 43.Bc6 Rd3 44.Bb4 Rbd8 45.Rf1 Re3 46.Bb7 Rdd3 47.Nd5 Rg3 48.Nf4 Ra3 49.Nh5 gh5 50.Ba3 Bh3 51.Bb4 Bg4 52.Ba6 h3 53.Bb7 Kg6 54.Bf3 hg2 55.Bg2 Rb3 56.Rb1 Bf5 57.Rb3 cb3 58.Bd5 b2 59.Ba2 Kg5 60.Bb1=+ Bc8 61.Rd1 Bg4 62.Rd2 Bf3 63.Kg1 Kg4 64.Bd6 Kg3 65.Be5 fe5 66.Rb2 h4 67.Bd3 h3 68.Rh2 b4 69.Bf1 ½–½. Grott,Peter (1945) – Leisebein,Peter, DESC, 2001.

12.h3 Bc8 13.c3 Bc5 14.Qa4 =.

12.h3 Be6 13.a3 Bc5 =.

12.h3 Be6 13.c3 Bd6=+ 14.a4 Na5 15.Qc2 Bf5 16.c4= dc4 17.Nc4 Nc4 18.Qc4 Nd5 19.Qd4 (19.Nd4 Bg6=) ½–½. Grott,Peter (2045) – Farmer,Walter (2150), DESC, 2002.

12.h3 Bf5 13.a3 Bc5 =.

12.h3 Bf5 13.Re1 b5 14.Ra1 Bd6 15.a4 b4 16.a5 Ra8 17.c4 bc3=+ 18.Bc3 Nb4 19.Nd4 Bd7 20.Nc2 c5 21.Nb4 cb4 22.Bd4 Rab8 23.Nf3 Rec8=+ ½–½. Schubert,Werner (2245) – Lannaioli,Alfonsino (2200), corr ICCF EU/EM/M/017, 2003.

11.Rb1 b6

12.Nb3 Nh5?? 13.Nbd4 Nd4? 14.Nd4+– Be2 15.Qe2 Qh4 16.Qf3 Bd6 17.h3 g6 18.Nc6+= Rd7 19.Na7 Ra8 20.Nb5+/– Ra2 21.Nc3 Ra5= 22.Ra1 Qb4 23.Ra5 ba5 24.Rb1 Be5 25.Ba1 Qa3 26.Bb2 Qe7?? 27.Nd5+– Qe6 28.Nc3 c6 29.Qd1 Rb7+/– 30.Ba1 Rb4 31.Ne4 f5 32.Rb4 ab4 33.Be5 Qe5+/– 34.Qb1?? fe4–/+ 35.Qb3 Qd5 36.de4? Qb3–+ 37.cb3 Kf7 38.Kf1 Ke6?? 39.Ke2–/+ Nf6 40.Kd3 Nd7 41.Kc4 c5 42.f4=+ Kd6 43.Kb5 Nf8 44.g4 Nd7 45.h4 Ke6 46.Kc4 h5 47.g5 Kd6=+ 48.Kb5 Ke6 49.Kc4 ½–½. Sapone,Luigi – Rocchi,Enrico, Ivrea op, 2000.

12.c4 dc4 13.Nc4 a5 14.a3 Bc5 15.d4 Qe6 16.Ng5 Qf5 17.Bg4 Ng4 18.Qf3 Qg5 19.Qc6 Bf8 20.Rbc1 Rc8 21.d5+= Bc5 22.h3 Nh6 23.Be5 Qd8 24.Bf4 Nf5 25.Rfd1 Ne7 26.Qb5 Ng6 27.Bg3+/– Qe7 28.Na5 Ba3 29.Nc6 Qd7 30.Ra1 Bd6 31.Bd6 Qd6 32.Qb4 Qb4 33.Nb4 Ra8 34.Rdc1 Ra1 35.Ra1 f5 36.Rc1 Re7 37.Kf1 Rd7 38.Ke2 Ne7 39.Rd1 h5 40.f3 Rd6 41.e4+/– fe4 42.fe4 c5 43.dc6+– Re6 44.c7 Re4 45.Kd3 Rb4 46.Re1 Rb3 47.Kc4 Rc3 48.Kc3 Nd5 49.Kc4 Nc7 50.Re5 h4 51.Re7 Na6 52.Re4 (52.Re4 Nc7 53.Rh4+–) 1–0. Curlywurly (2690) – mafergut (2020), ChessWorld.net, 2003.

12.Nd4 Nd4 13.Bd4 Be2=+ 14.Qe2 c5 15.Ba1 d4 16.e4 Nd5 17.Nf3 f5 18.e5 Nf4 19.Qd1 Ba5 20.Bb2 Ng6 21.c3 dc3 22.Bc3 Bc3 23.Qb3 Qe6 24.Qc3 Ne5 25.Ne5 Qe5 26.Qa3 Rd7 27.g3 Qd5 28.Rb3 Re2 29.Qa6 Rd2 (29...Rd2 30.Qc8 Kf7–+) 0–1. Lux (2005) – Decus Tutamen (2450), ChessWorld.net, 2003.

12.Nd4 Nd4 13.Bd4 Be2=+ 14.Qe2 c5 15.Bf6 Qf6 16.Nf3 Bc3 17.Rfd1 d4 18.e4 Qc6 19.a3 b5 20.Nd2 Rc8 21.Nb3 Qa6 22.Nc1 Rb8 23.Rb3 c4 24.dc4=+ bc4 25.Rb8 Rb8 26.Na2 Bb2 27.Rb1 Qa4 28.Qd2 c3 29.Qd1 Qa3–/+ 30.Nc1 Rd8 31.Nd3 a5 32.e5 a4 33.e6 fe6–+ 34.Qg4 Qa2 35.Re1 a3 36.Nc5 Qd5 37.Ne6–/+ Rd7 38.Nd4 Qf7 39.Nf5 Kh8 40.Qe4 Rd8=+ 41.Nd4 a2 42.Nb3 Rf8 43.Qe3 Ra8 44.Qe4? Qg8?? 45.g3? a1Q–+ 46.Na1 Ra1 47.Ra1 Ba1 48.Kg2 Bb2 49.Qd3 Qc8 50.Qd5 Ba3 51.Qe4 Bc5 52.f3 Qd8 53.Qf5 h6?? 54.Qc5+= Qd2 55.Qf2 Kg8 ½–½. Rosinski,Zenon – Guziec,Krzysztof, corr 1. AMM Poland, 1992.

12.Nd4 Nd4 13.Bg4!? Nc6 14.Bf5 =.

12.Nd4 Nd4 13.Bg4 Ng4 14.Bd4 f5 =.

12.Nd4 Be2 13.Nc6 Bd1 14.Ne7 Be7 15.Rfd1 c5 16.Kf1 Nd7 17.a4 Bf6 18.Bf6 Nf6 19.a5 Re6 20.Nf3 Kf8 21.Rb5 Ke7 22.ab6 ab6 23.Ra1 Nd7 24.Ra7 h6 25.d4 Kd6 26.Ra6 Ke7 27.h4 g6 28.Ke1 f5 (28...Re8 29.Ke2=) ½–½. Woelfelschneider,Peter (1700) – Wittal,Werner (1700), T8–02 TSC, 2002.

12.Bf6 gf6 13.d4 +=.

12.Bf6 Qf6 13.d4 ½–½. Kesmaecker,Philippe – Borg,Geoffrey, Istanbul ol TUR, 2000.

12.h3 Bc8 13.c4 (13.c3 Bd6=) 13...Bd2 (13...d4 14.Bd4 Rd4 15.Rb4 Rd3 16.Bd3 Nb4 17.Bb1=+) 14.Nd2 Ne5 (14...d4 15.e4=) 15.c5 (15.Qa4 a6=) 15...Bf5 (15...bc5 16.Qa4=+) 16.Nb3 Rb8 17.Rc1 Bd7 18.Nd4 c6= 19.Qd2 b5 20.Ba3 Rec8 21.Bb4 Ne8 22.Rc3 Nc7 23.Ra3 Rb7 24.Rc1 f6 25.f4 Nf7 26.Bg4 Nd8 27.Ra5 g6 28.f5+/– g5 29.h4 gh4 30.Qf2 Nf7 31.Re1 Ne5 32.Be2 Kh8 33.Qh4 Rg8 34.Kf2 Rg5 35.g4 Ne8 36.Rg1 Ng7 37.Nf3?? Nf3?? 38.Bf3= Be8 39.Qh6+/– Nf5? 40.gf5+– Rg1 41.Kg1 Kg8 42.Kf2 Qe5 43.Ke2 Rg7 44.Qf4 Qb2? 45.Bd2 (45.Bd2 Rb7 46.Qd6+–) 1–0. Zielinska,Marta – Nodorp,Dieter, Open A Hamburg GER, 2005.

12.h3 Bf5 13.Nb3 =+.

12.h3 Bf5 13.Nd4 Nd4 14.Bd4 c5 15.Bb2 d4 16.e4 Be6 17.a3 Ba5 18.Nb3 Bc3 19.Bc3 dc3 20.Qe1 Bb3 21.Rb3 Ne4 22.de4 Qe4 23.Rc3 Qe2 24.Qe2 Re2 25.Rd3 Rd3 26.cd3 Rd2 27.Re1 Kf8 0–1. tflk (1735) – marekt (2060), gameknot.com, 2014.

11.Rb1 Bc8

12.Nb3 Bd6=+ 13.Qc1 Ng4 14.c4= dc4 15.Qc4 Nce5 16.Ne5 Ne5 17.Qc3 f5 18.Nd2 c5 19.f4 Nc6 20.Rf3 Be6 21.Rg3 Rd7 22.Nc4 Bb8 23.a3 Bd5 24.Bd1 Qf8 25.Bb3 Kh8 26.h4 Re6 27.h5 h6 28.Kf2 Rde7 29.Rh1 Bc7 30.Rhh3 Kh7 31.Kg1 b5 32.Nd2+= Ba5?? 33.Qc5+– Bb3 34.Rg7!! Rg7 35.Qf8 Bd2 36.Qg7# 1–0. Grimberg,Gilbert (2275) – Meister,Peter (2325), Dijon op 1st, 1987.

12.c4 a6 13.Qc2 Ng4 14.d4 Nf6 15.Bc3 Bc3 16.Qc3 dc4 17.Bc4+= Nd5 18.Bd5 Rd5 19.Nc4 Rh5 20.Ncd2 Nd8 21.Rfc1+= c6 22.Qb4 Qb4 23.Rb4 Ra5 24.a4 Be6 25.Ne5 f6 26.Nec4 Rh5 27.a5 Re7= 28.Rcb1 Rb5 29.h3 Rc7 ½–½. Weigel,Hans Juergen – Werchan,Hans, Bad Segeberg, 2002.

12.c4 d4 13.e4 Bc3 14.Qc1 Nb4 15.a3 Na2 16.Qc2 c5 17.Rfe1 Nd7 18.Qb3 Bb2 19.Rb2 Nc3 20.Nb1 Ne2 21.Ree2 Nf8 22.Ne1 Ng6 23.g3 Qg5 24.Ng2 Qg4 25.f4 h5 26.Qd1 f5 27.Nd2 h4 28.Kf2 h3 29.Ne1 Nf4 30.gf4 fe4 31.Ne4 Rf8 32.Ng3 Rf4 33.Kg1 0–1. Grott,Peter – Lagemann,Tobias, DESC, 2000.

12.Re1 Bd6 13.c4 dc4 14.Nc4 =.

12.Re1 Ne4 13.de4 de4 14.Nd4 Nd4 15.Bd4 Bd2 16.Qd2 c5 17.c3 cd4 18.cd4 Qd6 (18...b6 19.Qb4=) 19.Rec1 Re6 20.Qc3 Rh6 21.Qc7 Kf8 22.Qd6 (22.f3 ef3 23.Bf3 b6+/–) 22...Rhd6 23.Rc7 a6 24.a4 b6 25.Rbc1 Bd7 26.Ba6 Ba4 27.Rb7 f5 (27...Bb3 28.Rb1 Ra8 29.Bf1=) 28.h3 (28.Rb1 Ra8 29.Bc4 Rc8+=) 28...R8d7+= 29.Rc8 (29.Rb8 Rd8 30.Rd8 Rd8+=) 29...Ke7 30.Rbb8 Rc6 31.Rc6+/– Bc6 32.Rb6 Bd5 33.Kh2 Rc7 34.h4 g6 35.Kg3 Rc2 36.Bb7 Be6 37.Rc6 Rb2 38.Rc7 Bd7? 39.Bc8 Kd6 40.Rd7 (40.Rd7 Kc6 41.Rh7+–) 1–0. Kesmaecker,Philippe (2275) – Toll,Alec J (2110), NATO–chT, 1999.

11.Rb1 Bf5

12.Ba1 Bc8 (12...b6 13.Nb3+=) 13.Nb3 (13.c3 Bd6=) 13...Bd6 (13...Bd7 14.h3+=) 14.Re1= Ng4 (14...Nb4 15.a3 Nc6 16.Bc3=) 15.Nbd4 (15.Qd2 h6=) 15...Nd4 16.Bd4 (16.ed4 c6=) 16...c5 (16...b6 17.Bc3=) 17.Bc3 (17.Bb2 b6=) 17...b6 18.Bf1 (18.Qc1 Bf5=) 18...Bd7 19.Qc1 (19.a3 Bc6 20.g3 h6+=) 19...Bc6 20.h3 Ne5 (20...Nf6 21.Qa3+=) 21.Ne5= Be5 22.Be5 Qe5 23.Qa3 (23.c3 Qd6+=) 23...Qe7 (23...Qc7 24.d4 c4 25.Be2+=) 24.g3 (24.d4 c4 25.Qe7 Re7=) 24...g6 (24...Rd7 25.c3+=) 25.Bg2 (25.c3 Rd6+=) 25...Rd6+= 26.c3 d4 (26...Qc7!?+=) 27.Bc6 Rc6 28.c4 Re6–/+ 29.e4 f5 30.f3 Qg5 31.Kh2+= Qd2 32.Kg1 Qg5 33.Kh2 f4 34.Rg1 fg3 35.Rg3 Qd2 36.Kh1 Rf8+= 37.Rb2 Qc1–+ 38.Kg2 Ref6 39.Qb3+= Qe3 40.Rf2 Kg7 41.Qc2 h5 42.Qd1?? h4–/+ 43.Rg4 Rf4 44.Qf1 Rg4 45.hg4 g5 46.Kh1 Qf4 47.Qe2 Qg3 48.Qd2 Kg6–+ 49.Qe2 Qh3 50.Kg1 Rf7 51.Rf1 Qg3 52.Kh1 Qf4 53.Rf2 h3 54.Qf1 h2! 55.Qe2 Qg3 56.Rf1+= Qf4 57.Rf2 Qc1 58.Kh2?? Rh7 59.Kg3 Qf4 (59...Qf4 60.Kg2 Qh2 61.Kf1 Qh1#) 0–1. Arigoni,B – Mantovani,R, Mendrisio, 1989.

12.a3 Bc5 13.c4 d4 14.e4 Bc8=+ 15.Qc1 Bg4 16.Nb3 Ne5 17.Bd4 Ba3 18.Qe3 Nc6 19.Bf6 Qf6 20.d4 Bd6 21.e5 Ne5 22.Ne5 Be5 23.de5 Re5 24.Qe5 Qe5 25.Bg4 b6 26.c5 a5 27.cb6 cb6 28.Rfe1 Qf6 29.Bf3 g6 30.Nc1 a4 31.Ne2 Kg7 32.Ng3 a3 33.Re2 b5 34.Ra2 Qc3 35.Ne4 Qa5 36.Nc5 Re8 37.Ne4 b4 38.h3 Rd8 39.Nd2 Rd3 40.Be4 Rc3 41.Bc2 Qd5 42.Bb3 Qd3 43.Bd1 h5 44.Bb3 f5 (44...f5 45.Bd1 Kf6–+) 0–1. Senitram (2370) – Scroff (2440), internet, 2008.

12.a3 Bc5 13.Bf6 Qf6 14.d4 Ba3 15.Rb7 Rb8 16.Rb8 (< 16.Rc7 Qd6 17.Rc6 Qc6–/+) 16...Rb8 (< 16...Nb8 17.c4 c6 18.Qa4+/–) 17.c4 dc4 18.Bc4 Bb4 19.Qa4 Bd2 20.Nd2 Rb4 21.Qa1 h6 (21...Be6 22.Rb1 Rb1 23.Qb1 Bc4 24.Nc4+=) 22.Be2 Rb6 23.Bf3 Bc8 24.Qc3 Bb7 25.Ne4 (White launches an attack) 25...Qf5 26.Nc5 Ba8 27.h3 Rb1 28.Be4 Rf1 29.Kf1 Qc8 30.Qa3 g6 31.Qa4 Qe8 32.Bd5 a5 33.e4 g5 34.f3 Kg7 35.Qb5 h5 36.e5 h4 37.e6 (37.Ne4 Qd7+–) 37...fe6 38.Ne6 Kf6 39.Bc4 (39.Bc4 Qg6 40.Bd3+– (40.Nc7?! Qc2 41.Na8 Qd1 42.Kf2 Qd2 43.Be2 Nd4 44.Qa6 Ne6+–)) 1–0. Woelfelschneider,Peter – Schablowsky, KO–022, 2002.

12.a3 Bc5 13.Bf6 Qf6 14.d4 Bb6 15.Bd3 Na5 16.Re1 Be4 17.Ne5 (17.Ne4? de4 18.Be4 Re4–+) 17...c5 18.Be4 de4 19.Ne4 Qe7 20.Nc3 cd4 21.ed4 Qa3 22.Nb5 Qf8 23.Nf3 Re1 24.Qe1 a6 25.Nc3 Bd4 26.Ne2 Nc6 27.Nfd4 Nd4 28.Nd4 Rd4 29.Rb7 Qd8 ½–½. Baer,Werner – Krause,Peter, DESC D0469 email, 2006.

12.c4 dc4 13.Nc4 Nd5 14.a3 Bc3 15.Qb3 Bb2 16.Rb2 Nb6 17.Nb6 ab6 18.d4 Be4 19.Qc3 Bd5 20.Rb5 Na7 21.Rb4 Qe6? 22.Qc7+– b5 23.Qf4 Qc8 24.Rbb1 Re4 25.Qg3 Rg4 26.Qh3 Rg6 27.Qc8 Rc8+/– 28.Rfc1 Rgc6 29.Re1 Rc3 30.Ra1 Kf8 31.Ne5 R8c7 32.Bf1 Be4 33.Red1+– Bc2 34.Rd2 Ke7 35.Nd3 Kd6 36.g3 h6 37.h4 b6 38.Be2 Nc6 39.Ne1 Be4 40.Bb5 Na5 41.Rb2 Rc1 42.Rc1 Rc1 43.Kf1 Ra1 44.a4 Bd5 45.Ke2 Nc4 46.Bc4 Bc4 47.Kd2 Kc6 48.Rb4 Ra2 49.Nc2 Bd5 50.Kc1 f5 51.Rb1 Ra4 52.Nb4 Kd6 53.Nd5 Kd5 54.Rb6 Ke4 55.Rb5 g6 56.Kd2 Ra2 57.Kc3 Rf2 58.Re5 Kf3 59.d5 Ra2 60.d6 Ra8 61.Kc4 Kg3 62.Kd5 Rd8 63.h5 gh5 64.Rf5 h4 65.Kc6 h3 66.Kc7 h2 67.Rh5 Rh8 68.d7 Kg2 69.e4 h1Q 70.Rh1 Kh1 71.e5 ½–½. Schellen,Anton – Vasquez,Fernando, FICGS, 2006.

11.Nd4 Nd4

12.Bg4 Nb5 13.Nb1 d4 (worse is 13...Ng4 14.Qg4 d4 15.a4+=) 14.a3 (14.a4 A) worse is 14...Ng4 15.Qg4 (15.ab5? Qh4 16.h3 de3 17.Qg4 Qg4 18.hg4 e2–+) 15...Nd6 16.Qd4+/–; B) 14...Nc3 15.Nc3 dc3+= (worse is 15...Bc3 16.Bc3 dc3 17.Bf3+=)) 14...Bd6 (14...Bc5 15.a4 de3 16.ab5+=) 15.ed4 Ng4 16.Qg4 Qe2 17.Qe2 Re2 18.a4 Rc2 19.ab5 Rb2 20.Ra7 Rb5 21.Nd2 f6 22.Rd1 (22.g3 Bf8 23.Rc1 c6+=) 22...c6 23.Kf1 Bb4 (worse is 23...Bh2 24.g3+=) 24.Nf3 Bc3 25.Rc1 Bd4 26.Nd4 Rd4 27.Ke2 Rb2 28.Ke3 Rd5 29.Rc4 c5 30.Re4 Kf7 31.g4 Rb3 32.Ke2 f5 33.gf5 Kf6 (33...Rf5 34.f3–/+) 34.Ra8+= Rbd3 (34...Rb2 35.Ke3+=) 35.Rf8 Kg5 36.h4 Kh6 37.Rf7 Rd2 38.Kf3 b5 39.Re6 Kh5 40.Rg7 Rf5 41.Ke4 Rff2 42.Rh7 Kg4 43.Rg6 Kh3 44.h5 Rde2 45.Kd5 Rf5 46.Kc6 b4 (46...c4 47.h6+=) 47.h6= c4 48.Rhg7 c3 49.h7 Rh5 50.Rg5 Rh4 51.Rc5 c2 52.Kd5 Rf2 53.Ke5 Re2 54.Kd5 Rd2 55.Ke5 Re2 56.Kd5 ½–½. Rook,Ian – Hanison,Bernard, corr England, 2000.

12.Bg4 Nb5 13.Bf5 Bc3 14.Bc3 Nc3 15.Qf3 g6 16.Bg4 h5 17.Bh3 g5 18.g4 Qe6 19.Qf5 Qf5 20.gf5 g4 21.Bg2 Re5 22.Rfe1 b5 23.Nb1 Na4 24.Nd2 Rf5 25.Nb3 c5 26.h4 Re8 27.Rac1 Nd7 28.a3 Nc3 29.Nd2 Kg7 30.Nb1 Na4 31.Nd2 a5 32.Ra1 Rfe5 33.Nb3 Nc3 34.Na5 R5e6 35.Kf1 Rf6 36.Nb3 g3 37.f4 d4 38.Bh3 Re3 39.Kg2 Nb6 40.Re3 de3 41.Kf3 Nbd5 42.f5 c4 43.dc4–/+ bc4 44.Nd4 Ra6 45.Bf1 Kf6 46.Ne2 Kf5 47.Nc3 Nc3 48.Bc4 Ra4 49.Bd3 Ke5 50.Re1 Nd5 51.c4 Ra3–+ 52.Be2?! Nf4 53.Kg3 Ne2 54.Re2 Ke4 55.Kg2 f5 56.c5 f4 57.Rb2 Ra1 58.Rb4 Kd3 59.Rb3 Kc2 60.Rb7 e2 61.Re7 Kd3 62.Rd7 Kc4 (62...Kc4 63.Re7 e1Q 64.Re1 Re1–+) 0–1. Pierred (2180) – AbrahamLincoln (2520), Rated game, 3m + 0s, 2005.

12.Bg4 Nb5 13.Bf6 gf6 14.d4 +=.

12.Bg4 Nb5 13.Bf6 Qf6 14.c4 (14.c4 dc4 15.Nc4=+). Jose Luis – SkyNet, ChessWorld.net, 2006.

12.Bg4 Nc6 13.Be2 d4=+ 14.e4 Ne5 15.f4 Neg4 16.Bg4 Ng4 17.Qg4 Bd2. Stoyanov,Lyubomir D – De Visser,Arnold W, corr, 1988.

12.Bg4 Ng4 13.Qg4 Ne6 14.Nf3 Bd6 15.Nh4 Qg5 16.Qg5 Ng5 =.

11.Nd4 Be2

12.Nc6 Bd1 13.Ne7 Be7 14.Rfd1 b5 15.Rab1 c6 16.Bd4 Nd7 17.c4 c5 18.Ba1 dc4 19.Rb5 cd3–/+ 20.Nc4 Nb6 21.Nb6 ab6 22.Rb6 c4 23.Rbb1 Rb8 24.Bc3 0–1. De Visser,Arno – Neumann,R, corr ICCF Cup VI–VII, 1986.

12.Nc6 Bd1 13.Ne7 Be7 14.Rfd1 c5 15.c4 Rd7 16.Rab1 dc4 17.Nc4 Red8 18.Kf1 Nd5 19.a3 b6 20.g3 Bf6 21.Bf6 Nf6 22.Ke2 Nd5 23.Rbc1 f6 24.h4 Kf7 25.g4 Nc7 26.Nb2 Nb5 27.a4 Nc7 28.f4 Nd5 29.Kf3 Nb4 30.d4 Na6 31.dc5 Nc5 32.Rd7 Rd7 33.Rc4 Rd2 34.Rb4 Ke6 35.e4 Rh2 36.f5 Kd6 37.g5 Rh4?? 38.e5!+– (38.e5 Ke5 39.Rh4 fg5 40.Rh7 Kf5 41.Rg7+–) 1–0. Mroz,Antoni – Wozniakowski,M, corr Poland, 1987.

12.Ne2 Bd6 13.Rb1 b6 14.c4 =+.

12.Ne2 Nd7 13.Nf3 Bd6 14.Ng3 Bg3 15.hg3 Qe6 16.Re1 a6 17.e4 de4 18.Re4= Qd5 19.c4 Qd6 20.Re8 Re8 21.d4 b5 22.cb5 ab5 23.Qd3 Rb8 24.Re1 Nb4 25.Qb3 Nd5 26.Ba3 b4=+ 27.Bc1 Ra8 28.Bd2 c6 29.Rb1 Rb8 30.Qc2 h6 31.g4 Re8=+ 32.g5 hg5 33.Ng5 N7f6 34.Rc1 ½–½. Morphystyle – marekt, ChessWorld.net, 2005.

12.Ne2 Ne5 13.Rb1= Neg4 14.Bf6 gf6? 15.Kh1 Nf2= 16.Rf2 Qe3 17.Rf6 Bd2 18.Ng3= Qd4 19.Rf1+/– Bc3 20.Rb7 Rd7? 21.Ne2+– Qe5 22.Nc3 Qc3 23.Qg4 Kh8 24.Qd7 Re1 25.Rb8 Kg7 26.Qf7 (26.Qf7 Kh6 27.Qf4 Kh5 28.g4 Kh4 29.Qh6 Kg4 30.Rg8 Qg7 31.Rg7#; 26.Rg8 Kg8 27.Qf7 Kh8 28.Qf8#) 1–0. Ostroverkhova,Elena – Zikeli,Saskia, Peniscola, 2002.

10.Nbd2 Qe6

11.a3 Bd6 12.Rb1 =+.

11.a3 Bd6 12.c4 =.

11.a3 Be7 12.c4 dc4 13.Nc4 Nd5 14.Re1 a6 15.Qc2 Rad8 16.Rac1 Bf6 17.Ncd2 Bb2 18.Qb2 Nb6 19.d4 Qg6 20.Qb3 Qf6 21.Rc5 Nd7 22.Rg5 Bf3 23.Nf3 h6 24.Rh5 Nb6 25.Rd1 Rd7 26.Rc5 Rd6 27.Bd3 g6 28.Nd2 Qh4 29.Rdc1 Re7 30.g3 Qg4 31.Bf1 Nd7 32.R5c2 Nb6 33.Bg2 (33.Bg2 Rdd7 34.Bc6 bc6 35.Rc6+–) 1–0. Woelfelschneider,Peter – Schulz,Hans_Juergen, TT–10.26 ETC, 2003.

11.a3 Be7 12.c4 dc4 13.Nc4 Nd5 14.Re1 Rab8 15.Rc1 a6 16.d4 Bf5 17.Nfe5 Ne5 18.Ne5 f6 19.Bh5 Rf8 20.Nc4 Be4 21.Nd2 Qb6+= 22.Ne4 Qb2 23.Nc5 Qa3 24.Nd7 Bb4 25.Ra1 Qc3 26.Qg4 f5 27.Qh4 Qe1= 28.Re1 Be1 29.Bf3 c6 30.Bd5 (30.Bd5 cd5 31.Nf8 Rf8 32.Qe7+–) 1–0. Woelfelschneider,Peter – Vetter,Udo, TT–11 ETC, 2003.

11.a3 Be7 12.c4 dc4 13.Nc4 Nd5 14.Re1 Rab8 15.Rc1 a6 16.d4 Bf5 17.Nfe5 Ne5 18.Ne5 f6 19.Bh5? Rf8 20.Nc4 Be4 21.f3= Nb6 22.Na5+= Bc6 23.Nc6+/– bc6 24.Qd3 Nd5 25.Ba1 f5 26.f4 Rb6 27.Bf3 Rfb8 28.g3 Rb3 29.Qa6+= R8b6 30.Qa8 Bf8 31.a4 Re3 32.Rf1 Ra3 33.a5 Qd7 34.Rfe1+/– Rb5 35.Re8 Qf7 36.Bd5 cd5= 37.Bc3 g6 38.Qc6+= Rab3 39.Rce1 Rb1 40.Rc8 Re1= 41.Be1 Rb1 42.Kf2 (42.Kf2 Kg7 43.Rc7+=). Bonetti,Shane (2105) – Vetter,Udo (1730), TT–16 ETC, 2005.

11.h3 Bf3 12.Nf3 Bd6 13.Rb1 Rab8 14.Qd2 b5 15.Bf6 Qf6 =+.

11.h3 Bf5 12.Rb1 Rab8 13.Nh4 Bd6 14.c4 Ne7 15.Nf5 Qf5 =.

11.h3 Bh5

12.a3 Bd6 13.c4 Bf3 14.Bf3 Ne5 15.cd5 Nd5 =.

12.Rb1 Rab8 13.a3 Bd6 14.c4 Be7 15.Qc2 Bg6 =.

12.c3 Bd6 13.c4 Ne5 14.Rb1 dc4 15.Ne5 Be2 16.Qe2 Be5 17.d4 Bd6 18.Nc4 c6 19.Nd6 ½–½. Grott,Peter (2105) – Heyn,Ulrich (1975), DESC, 2003.

12.c4 Rad8 13.cd5 Nd5 14.Ng5 Ne3 15.Ne6 Nd1 16.Nd8 Nb2 17.Nc6 Re2 18.Nb4 Rd2 19.Rfc1 +=.

12.c4 Rad8 13.cd5 Nd5 14.Ng5 Qg6 15.Bh5 Qg5 16.Ne4 Qh4 17.Bf3 Ne5 18.Be5 Re5 19.Qa4 a6 20.Rfb1 Qe7 21.a3 Bc3 22.Ra2 b6 23.Qa6+/– Re6 24.Rc2 Be5 25.Qb7 Qa3+= 26.d4 Ne3 27.Rc3 Qa2+= 28.Rcb3 Bf4 29.fe3 Be3 30.Kh1 Qc2 31.d5 Ree8 32.R3b2 Qc4 33.Rb4 Qc2 34.Qa6. Jethan,Martin – Vetter,Udo, 2005.

12.c4 Rad8 13.cd5 Nd5 14.Ng5 Qg6 15.Bh5 Qg5 16.Ne4 Qh6 17.Qf3 Re7 18.a3 Ba5 19.Nc5+/– Bb6? 20.Nb7+– Rdd7 21.Bg4 f5 22.Bf5 Rf7 23.Qe4 Rf5 24.Qf5 Nb8 25.Rac1 c6 26.Nc5 Rf7 27.Qc8 Rf8 28.Qe6 Qe6 29.Ne6 Rf7 30.e4 (30.e4 Nf6 31.Rfe1+–) 1–0. Pommerel,Wim – Zuechner, CiF, 1990.

9.d3 Bf3

10.Bf3 Qd6 11.a3 Bc5 12.Nc3 Bb6 13.Na4 Ne5 14.c4 dc4 +=.

10.Bf3 Bd6 11.Nc3 Be5 12.Rb1 a6 13.d4 Bd6 14.Re1 Ne4 =.

10.Bf3 Ne5

11.c4 c6 12.Be5 Re5 13.Qb3 Qe7 14.cd5 Nd5 =.

11.Be2 c6 12.c3 Bd6=+ 13.Nd2 Bc7 14.d4 Ng6 15.c4 Nh4 16.g3 Nf5 17.Bf3 Ne4 18.Ne4 de4 19.Bg2 Qe7 20.Qb3 b6 21.Rad1 Rab8 22.Qc3 h5 23.d5+= c5? 24.d6!+– Bd6 25.Rd6?? Qd6+= 26.Bh3 Nd4 27.ed4 cd4 28.Qd4 Qd4 29.Bd4 Rbd8 30.Be3 Re5 31.Ra1 Ra5 32.Bf1 g6 33.Be2 Rc8 34.Kf1 Kg7 35.a4 Rd8 36.Ke1 Re5 37.Bd2 Re7 38.a5 Re6 39.Be3 Rb8? 40.Rb1+– 1–0. Svitek,Volker (2130) – Gutacker,Stephan (1980), Frankfurt–ch, 2007.

11.Be2 Qd7 12.Nd2 Bd6 13.d4 Neg4 14.h3 Nh6 15.c4 c6 16.cd5 cd5 17.a4 a6 18.Bd3 Nf5 19.Qb3 Nh4 20.Rab1 Rac8 21.Ba1 Rc7 22.Rfc1 Rec8 23.Rc7 Rc7 24.Bc2 Qe6 25.Rc1 Ne8 26.Bb2 Qf6? 27.Qd5+– (27.Qd5 Qd8 28.Qh5+–) 1–0. Bonetti,Shane – BayRegion (1900), ICC, 2002.

11.Be2 Qe7 12.Bc3 Bd6 13.Nd2 Qe6 14.Nf3 Nf3 15.Bf3 Rad8 16.Rb1 b6=+ 17.Rb3 c5 18.Qb1 Ng4 19.g3 Bc7 20.Qd1 f5 21.h3 Nf6 22.Kg2 Ne4=+ 23.de4 de4 24.Qe2 ef3 25.Qf3 Qe4 26.Qe4 Re4 27.Ra3 a5 28.Rb1 Kf7 29.h4 h5 30.Kf3 g6 31.Re1 Rd5 32.Rb1 Ke8 33.Kg2 Kd7 34.Kf3 Kc6 35.Rab3 c4 36.R3b2 b5 37.a3 Be5 38.Be5 Ree5 39.Kf4 Re4 40.Kg5? f4–+ 41.Kg6 fg3 42.fg3 Re3 43.Rg1 Ra3 44.g4 Rh3 45.g5? Rh4–+ 46.Kh6 b4 47.g6 Rg4 48.Rg4 hg4–/+ 49.g7 Rd8 50.Rb1 Kb5 51.Rf1 Rg8 52.Kh7 Rg7 53.Kg7 b3 (53...b3 54.Rf5 Kb6 55.Rf6 Kb7 56.Rf7 Kc6 57.Rf6 Kc5 58.cb3 cb3 59.Rf5 Kc6 60.Rf6 Kb5–/+) 0–1. Bishop,David – Banks,Graham, corr NZ Handicap, 1994.

11.Be2 Qe7 12.Nd2 Nc6 13.Bf3 Ne5 14.Rb1 =.

11.Be2 Qe7 12.Nd2 Bd6 13.d4 Ng6 14.c4 c6 =.

11.Be2 Qe7 12.Nd2 Rad8 13.Nf3 Bd6 14.Nd4 (14.Rb1 Nc6=) 14...Qd7 15.h3 (15.a4 Bb4=) 15...c5 16.Nf3 b6 17.a4 Nc6 18.Re1 Be7 19.Ne5 Ne5 20.Be5 Qe6 21.Bb2 c4 22.d4 (22.Qd2!?=) 22...Ne4+= 23.c3? (23.Bf3 Bb4 24.Re2 Ng5–/+) 23...Qf6?? (better is 23...Nf2 24.Qd2 Ne4–+) 24.Rf1 Bd6 25.Bf3 Bc7 26.Be4 Re4 27.Ba3 Re6 28.Ra2 (28.Qg4 a6+=) 28...Qh6 (28...Qg5 29.Re2–/+) 29.Qf3 Rde8?? (better is 29...Qg6+=) 30.Qd5+– g5 31.Qf3 Qg6 32.d5 Rf6 33.Qe2 h5 34.Qc4 Bb8 35.Rd2 g4 36.hg4 hg4 37.Rd4 Rf5 38.Rg4 Rg5 39.Rg5 Qg5 40.d6 Kg7 41.Qd4 Kg6 42.Rd1 Qh5 43.f3 f5 44.Qf4 Rh8 45.Qg3 Kf6 46.Kf2 Qf7 47.Rd2 Rg8 48.Qf4 Qg6 49.g4 Kg7 50.Qf5 Qh6 51.Qh5 Qf6 52.c4 Qe6 53.Bb2 Kf8 54.Qf5 1–0. Nyikos,Laszlo – Krempelsetzer,Klaus (1715), 6th Berlin–ch Seniors, 2010.

11.Be5 Re5 12.a3 Bd6 13.c4 dc4 14.d4 Rb5 =.

11.Be5 Re5 12.c4 dc4 13.Bb7 Rb8 14.d4 Re6 15.Bf3 Qd7 16.Qc2+/– Qb5 17.a4 Qa6 18.Rc1 Reb6 19.Be2 c5 20.Bc4 Qc8 21.Bd3 Rc6 22.e4 (22.e4 Qd7 23.d5+/–) 1–0. Gerold,Guenter – Hustert,Dirk, corr ICCF EU/M66 (year?).

11.Be5 Re5 12.c4 c6 13.Qb3 Qe7 14.cd5 Nd5 =.

11.Be5 Re5 12.d4 Re6 =.

9.d4 Ne4

10.a3 Ba5 11.Ne1 Be2 12.Qe2 Qf6 13.c4 dc4–/+ 14.f3 Nd6 15.Nc2 Rad8 16.Ra2 Qe6 17.Bc3 Nb5 18.Qd2 Nc3 19.Nc3 Ne7 20.Rb2? Nd5–+ 21.Nb4 Qe3 22.Qe3 Ne3 23.Re1 Bb6 24.Ne2 c5 25.Na2 cd4 (25...cd4 26.Nb4 d3–+) 0–1. Grehl,Siegfried – Leisebein,Peter, corr SOK–91–74, 1991.

10.a3!? Bd6 11.Nc3 +=.

10.a3 Bd6 11.Nbd2 Re6 12.c4 Rh6 13.g3 Nd2 14.Nd2 Bh3 15.Re1 dc4 16.Bc4 Qd7 17.Nf1 Re8 18.e4 Na5 19.Bd3 c5 20.e5 Bf8 21.d5 c4=+ 22.Be2 Bc5 23.Ne3 Be3 24.fe3 Nb3 25.Ra2 b5 26.a4 a6 27.ab5 ab5 ½–½. Pagni,Carlo Alberto – Otto, corr th, 1972.

10.a3 Bd6 11.h3 Bh5 12.Nbd2 Na5 13.Ne4 de4 14.Ne5 Be2 15.Qe2 Be5 16.de5 Qd5 17.Rfd1 Qc6 18.Rd4 Re5 19.Rad1 h5 20.Rd8 Re8 21.Ra8 Ra8 22.Qh5 Nc4 23.Ba1 f6 24.Qg4 Rf8 25.a4 b6 26.Qd7 Qd7 27.Rd7 Rf7 28.Rd8 Kh7 ½–½. Malmstroem – Miraglia, email CTON 1996.

10.Ba3 Qf6 =+.

10.c3 Bd6 11.Nbd2 Re6 12.Ne4 de4 13.Nd2 Be2 14.Qe2 Qh4 15.h3 Rg6 16.Kh1 Qg5 17.f4= ef3 18.Rf3 f5 19.Raf1 Re8 20.Nc4 Rf6 21.Bc1 Qg6 22.Nd6 cd6 23.Qc4 Qf7 24.Qf7 Kf7 25.Rf5 d5 26.Kg1 Ne7 27.Re5 Rc8 28.Ba3 Rf1 29.Kf1 Ng6 ½–½. Freimann,Gerd – Shipman,W, National Open, 2004.

10.c4 dc4 11.Bc4 Qf6 12.a4 Rad8 13.Be2 Rd5 14.Nfd2 Be2–/+ 15.Qe2 Nd2 16.Nd2 Nd4! 17.Bd4 Qd4! 18.Nf3 Qd3 19.Qa2 a5 20.Nd4 c6 21.Rfd1–/+ Qe4 22.Rdc1 Red8 23.Qe2?? Rd4 (24.Rab1 Rd2–+) 0–1. Gapp,Wolfgang (1825) – Planatscher,Alois (1920), AUT–chT, 1995.

10.c4 Re6 11.Nbd2 Bd2=+ 12.Nd2 Be2 13.Qe2 Nd2 14.cd5 Rg6 15.Qd2 Qd5 16.f3 Qg5 17.Rad1 Na5 18.e4 Qd2 19.Rd2 Nc4 20.Re2 Nb2 21.Rb2+= Rb6 22.Rc2 c6 23.Kf2 a5 24.Rfc1 Kf8 25.Ke3 a4 26.a3 Rb3 27.Rc3 Ra5 28.Kd3 Ke7 29.R1c2 ½–½. Zahn,Richard – Surborg,Ernst, GER–ch Polizei, 1998.

10.c4 Ne7 11.Qa4 Bf3 12.gf3+= Nd2? 13.Qb4 Nf1 14.Bf1 Ng6 15.f4 Qd7 16.h3 Qf5 17.Nd2 Nh4 18.Qb3 dc4 19.Qc4 Re6 20.Qc5 Qg6 21.Kh2 Rc6 22.Qg5 Qg5+= 23.fg5 Rc2 24.Bc1 Re8? 25.Kg3 Ng6 26.Bd3 Rc6 1–0. Vukovic,Ljubomir (1980) – Bozilov,Dragan, Belgrade Jezero op 9th, 2003.

10.c4 Bf8 11.Nc3= dc4 12.Ne4 Re4 13.Nd2 Be2 14.Qe2 Re6 15.Qc4 Ne7 16.e4 c6 17.f4 b5 18.Qb3 c5 19.d5 (worse is 19.Qb5 Rb6 (19...cd4?! 20.Qd3=) 20.Qc5 Rc8–/+) 19...c4 20.Qc2 (worse is 20.Qb5 Rb6 21.Qa5 Rb2 22.Nc4 Qa5 23.Na5 Ng6–/+) 20...Rh6 21.f5 (better is 21.Bd4!? Nc6 22.Be3=) 21...Nd5!–/+ 22.ed5 Bc5 ½–½. Arlt,Ronald (1725) – Rzehak,Michael (2165), Bad Harzburg op, 2007.

10.Nbd2 Bc3 11.Rb1 Bb2 12.Rb2 Nc3 13.Qe1 Ne2 14.Qe2 Nd4! 15.Qd1 Nf3 16.Nf3 b6 17.h3 Bh5 18.c3 c6 19.Rd2 Qf6 20.Rc2 Re4 21.Qe2 Rae8 22.Rd1 Rh4! (23.Rdd2 Bf3 24.Qf3 Qf3 25.gf3 Rh3–+) 0–1. Loulou – Palamede, HCL–A1184 playchess.de, 2003.

10.Nbd2 Bc3–/+ 11.Rb1 Bb2 12.Rb2 Nc3 13.Qe1 Ne2 14.Qe2 Nd4! 15.Qd3 (15.ed4 Re2 Pinning (15...Re2 Deflection); 15.Nd4 Be2 Pinning (15...Be2 Deflection)) 15...Nf3–+ 16.Nf3 Bf3 17.gf3 Qg5 18.Kh1 Qf6 19.Rb7 Qf3 20.Kg1 Re5 21.Rfb1 Rf8 22.Rb8 (22.Rc7?? Rg5 23.Kf1 Qh1 24.Ke2 Qb1 25.Ra7 Rg1–+) 22...Rg5 23.Kf1 Rg2 24.Rf8 Kf8 25.Qa3 Ke8 26.Rb8 Kd7 27.Qa4 Ke7 28.Re8 Kf6 29.Qh4 Kg6 30.Re5? (better is 30.Rh8 h6 31.h3–+) 30...f6 31.Qh5 Qh5 32.Rh5 Rf2!! (32...Kh5?! 33.Kg2 Kg4 34.a4–+) 33.Kf2 Kh5 34.Kg3 Kg5 35.c3 Kf5 36.Kf3 c5 37.h3 (37.a3 g5 38.h3–+) 37...g5 38.a3 a5 39.a4 c4 40.Kf2 Ke4 41.Ke2 f5 (41...f5–+) 0–1. vlladimir (1680) – marekt (2035), gameknot.com, 2014.

10.Nbd2 Bc3–/+ 11.Bc3 Nc3 12.Qe1 Ne2 13.Qe2 Nd4! 14.c4?? (14.Nd4 Be2) 14…Ne2–+ (14...Ne2 15.Kh1 dc4–+) 0–1. Zaichenko,Andrey (1800) – Malpalma,Joaquim, FICGS, 2007.

10.Nfd2 Be2–/+ 11.Qe2 Qh4 12.Ne4 Qe4 13.c3 Bd6 14.Nd2 (14.Ba3 Bf4=+) 14...Qc2 15.Rab1 Qa4 (15...Ne7 16.Bc1=+) 16.Ba1 Qa2 (17.Rb2 Qa6 18.Qa6 ba6=; 16...Rab8 17.Nf3=+). Silva Junior – Woschkat,Karl_Heinz, corr 3GMM–59, 1996.

10.Nfd2 Bf5 11.Ne4 de4 12.Bg4 Bg6 13.a3 Bd6 14.c4 Bf8 15.Nc3 Ne7 16.Re1 c6 17.f4 ef3 18.Qf3 Qb6 19.Qf2 Rad8 20.Rac1 Qb3 21.Nd1 f5 22.Be2 Kh8 23.Rc3 Qb6 24.Kh1 Ng8 25.Bd3 Nf6 26.Bf5 Bf5=+ 27.Qf5 Qd4 28.Rc1 Qd2 29.Qf1 Ng4 30.Re2 Qd6 31.g3 Qh6 32.Qf4 Qh5–+ 33.Bd4 Bd6 34.Qf1 Bg3 35.Qg1 Rd4! 36.Qg3 Nh2!! 37.Rh2 Rd1 38.Rd1 Qd1 39.Kg2 Qe2 40.Kg1 Qe3 41.Qe3 Re3 42.Rd2 h6 43.Rd7 Rb3 44.c5 Kh7 (44...Kh7 45.Kf2 a5–+; < 44...Ra3 45.Rb7 Kh7 46.Kg2–+) 0–1. Gerold,G – Drosdow,WE, corr ICCF EU/M/Gr/534 (year?).

10.Nfd2 Bf5 11.Ne4 Be4 12.Ba3 Re6 13.Bf3 Bg6 14.c3 Ba5 15.Qb3+= Be4 16.Be4 Re4 17.Nd2 Rg4 18.Nf3 Bb6 19.Qc2 Qf6 20.Ne1 Na5=+ 21.Rd1 Nc4 22.Bc1 c6 23.f3 Rh4 24.g3 Rh3 25.Nd3 Qf5 26.Qg2 Qd7 27.e4+= de4 28.fe4 Ba5? 29.Rf5 g6 30.Rc5 b5+/– 31.Nf4 Rh6 32.Nd5! Kg7 33.Bh6+– Kh6 34.Nf6 Qe6 35.Rc6 Qc6+/– 36.Qh3 Kg7 37.Qh7 Kf8 38.Nd5 Ke8 39.Qg8 Kd7 40.Qf7 Kd8 41.Rf1 Qe8 42.Qg7 (42.Qg7 Kc8 43.Rf8+–) 1–0. Polzer,H – Engel,B, corr ICCF EU/M/Gr/832 (year?).

10.Qd3!? =+.

9.d4 Qe7

10.a3 Bd6 11.Nbd2 Rad8 12.c4= dc4 13.Nc4 Ne4 14.Qc2 Bf5 15.Bd3 Bg6 16.Rac1 Nf6 17.Bg6+/– ½–½. Kool,GJ – Werksma,A, TCh–BEL2, 2004.

10.a4 Na5 11.Ba3 =+.

10.a4 a6 11.Ba3 Ba3 12.Ra3 Ne4 13.Ra2 Qb4 14.Qc1 Na5 15.c3 Qd6 16.Nbd2 Nd2 17.Qd2 c6 18.Qd3 Qc7 19.Ng5+/– h6 20.Qh7 Kf8 21.Bg4 hg5 22.Bh5 Qd6+/– 23.Qh8 Ke7 24.Qg7 Qf6 25.Qf6 Kf6 26.Bg4 Kg6 27.Be2 f5 28.Bd3 Kf6 29.g3 Re7 30.Kg2 Rh8 31.Rb2 Reh7 32.Rh1+/– Rg7 33.f3 Re7 34.Re2 Rc8 35.e4+– fe4 36.fe4 de4 37.Be4 Rce8 38.Rhe1 Nc4+/– 39.Kf3?? c5?? 40.Bb7!+– Re2 41.Re2 Re2 42.Ke2 cd4 43.cd4 a5 44.Bc6 Kf5 45.Kd3 Nd6 46.Bd7 Kf6 47.g4 Ke7 48.Bc6 Kf6 49.Bd7?? Ke7 50.Bf5 Kf6 51.h3 Ke7 52.d5 Nb7 53.Kc4 Kd6 54.Be6 Nc5 55.Kb5 Nb3 56.h4?? gh4–+ 57.g5 Nd4 58.Ka5 Ne6 59.de6 h3 60.g6 Ke6 (60...Ke6 61.g7 Kf7–+) 0–1. De Jager,Jaap – Groffen,Hans, Vlissingen NED, 1999.

10.c3 Bd6 11.Nbd2 Ne4 12.c4 Nd2 13.Nd2 Be2 14.Qe2 Qe6 (14...Qh4 15.h3=) 15.cd5 Qd5 16.Qc4 Qh5 17.Nf3 Re4 18.Qc2 Rae8 19.a4 Nb4 20.Qd1 f6 (20...Rg4!?+=) 21.Ba3= a5 22.Bb4 ab4 23.a5 Kh8 24.g3 g5 25.Nd2 Qd1 26.Rfd1 R4e7 ½–½. Franke,Ro (1990) – Kratschmer,H (2135), Dresden GER, 2013.

10.Nbd2 Ne4 11.Ne4 de4 =+.

10.Nbd2 Qe6 11.h3 Bf5 12.Nh4 =+.

10.Nbd2 h6 11.c4 dc4 12.Nc4 Nd5 13.a3 Bc3 14.Qc2 Bb2 15.Qb2 Rab8 16.Nce5 Ne5 17.Ne5 Be2 18.Qe2 c5 19.Nf3 cd4 20.Nd4 Qe4 21.Qf3 Qf3 22.Nf3 Nc3 23.Nd4 Rec8 24.Rfc1 Rc4 25.Rc2 Rbc8 26.Kf1 b5 27.Rac1 Na4 28.Ke1 Rc2 29.Rc2 Rc2 30.Nc2 Kf8 31.Nd4 a6 32.Kd2 g6 ½–½. Franke – Thinius, corr DDR, 1989.

9.Nd4 Be2

10.Nc6 Bd1 11.Nd8 Bc2 –+ (11...Rad8 12.Rd1).

10.Qe2 Nd4 11.Bd4 c5 12.a3 =.

10.Qe2 Ne5 11.Qb5 c5 12.Qb7 Rb8 =.

10.Qe2 Ne5 11.d3 Bf8 12.Nd2 g6 13.c4 Bg7 14.c5 c6 15.N2b3 h5 16.Rac1 h4 17.f4 Neg4= 18.Nc2 Qe7 19.Rfe1 Nh6 20.Be5 Nh5 21.Bd6 Qd7 22.Nbd4 b6 23.Qf3 f5 24.e4 de4 25.de4 fe4 26.Re4 bc5 27.Re8 Re8= 28.Bc5 Qd5 29.Ba7 Qf3 30.Nf3 Nf4 31.Re1 Ra8 32.Be3 Nd3 33.Rd1 Ra2 34.Rd3 Rc2 35.Nh4 Ng4 36.Bd2 c5 37.Ng6= Bd4 38.Kf1 Kf7 39.Nh4 Ne5–/+ 40.Ke2 Nd3 41.Kd3 Ra2 42.Nf3 Ke6 43.Nd4 cd4 44.g4 Kd5 45.h4 Ra3 46.Ke2 Ke4 47.h5 Rh3 48.Bg5 Rh2 49.Kd1 Rg2 50.h6 Rg4 51.Bf6 Rg1 52.Kc2 Rh1 53.Bg5 Rh2 54.Bd2 Rf2 (55.h7 Rh2–+) 0–1. Gerold,Guenter – Feistenauer,F, corr ICCF EU/M/978, 1994.

10.Qe2 Ne5 11.Nf3 =+.

10.Ne2 Ne5 11.d3 c6 12.a3 Bd6 13.Nd2 Bc7 14.Nd4 Qd7 15.h3 Rad8 16.N2f3 Nf3 17.Nf3 Qd6 18.c4 Nd7 19.cd5 Qd5 20.Re1 Nc5 21.d4 Ne4 22.Re2 Re6 23.Qc2 Rg6 24.Ne5? (better is 24.Nh4 Rf6 25.Rb1–/+) 24...Be5–+ 25.de5 Nc3! 26.e4 (26.Bc3 Qg2 mate Mate attack; 26.Qc3 Qg2 mate Mate attack) 26...Ne2 27.Qe2 Qd2 28.Qd2 Rd2 29.Bc3 Rd3 30.Bb4 Re6 31.f4 b6 32.Bd6 h6 33.Kf2 Rd2 34.Kf3 Re8 35.g3 c5 36.Bc7? Rd3 37.Kg4 Re3 38.e6 Re6 39.e5 Rg6 (39...Rg6 40.Kf5 Rgg3–+) 0–1. Wister,Finn Arild – Brekke,John Ivar (1895), Fagernes NOR, Clubs Ch, 2012.

10.Ne2 Ne5 11.d3 c6 12.Nd2 Qc7 13.h3 Rad8 14.Nd4 Qd7 15.N4f3 Ng6 16.Nb3 Bd6 17.Bd4 b6 18.Nbd2 Bb8 19.a4 c5 20.Bb2 Re6 21.Ng5 Qc7 22.Ngf3 Nh5 23.c4 Nh4 24.Be5?? Nf3–+ (24...Nf3 25.Nf3 Re5 26.Ne5 Qe5–+; 24...Re5?! 25.Nh4 Nf6 26.Nhf3=+) 0–1. Schmidbauer,Josef – Schubert,Josef, Niederbayern–ch, 2002.

10.Ne2 Qe7 11.a3 Bd6 12.Nbc3 =+.

10.Ne2 Ng4 11.g3 Qg5 12.Nf4 Rad8 13.c3 Bd6 14.h3 Nge5 15.Ba3=+ Ba3 16.Na3 Qe7 17.Nc2 g5 18.Nh5= Rd6 19.d4 Nc4 20.Qd3 f5 21.Rab1 Nd8 22.Rfe1 Qf7 23.g4 Rf8 24.Qf5 Qf5 25.gf5 Nd2 26.Ng3 Nf3 27.Kg2 Ne1 28.Ne1 Ra6 29.Rb2 Ra3 30.Rc2 Nf7 31.f3 Nd6–/+ 32.e4 h5 (32...h5 33.Nh5 de4 34.fe4 Ne4–/+) 0–1. Ziese,Gerhard – Rohde,Friedhelm, corr 2.KGP–Z–01, 1994.

10.Qe2 Nd4

11.Bd4 c5 12.a3 =.

11.Bd4 c5 12.c3 cd4 13.cb4 de3 14.de3 d4 15.Rd1 Qb6 16.Qd2 de3 17.fe3 Rad8 18.Qc1 Rd1 19.Qd1 Qe3 20.Kf1 Ng4 21.Qd2 Nh2 0–1. purplegadge (1720) – f_h_alali (2130), gameknot.com, 2014.

11.Bd4 Bd6 12.Qb5 Ng4 13.g3 b6 =+.

11.Bd4 Bd6 12.Qf3 Ne4 13.d3 c5 14.Bb2=+ Qb6 15.Bc3 Nc3 16.Nc3 =+.

11.Bd4 Bd6 12.Qf3 Ne4 13.d3 Ng5 14.Qf5 Ne6 15.Bb2 c6 16.Nd2 =.

11.Bd4 Bd6 12.Qf3 Ne4=+ 13.d3 Ng5 14.Qg4 Ne6 15.Bb2 c6 16.Nd2 b5 17.Nf3 f6 18.Nh4 Qc7 19.g3 a5 20.Bf6= Qf7 21.Bb2 a4 22.Nf5+= Qc7 23.a3 Bc5 24.c4 Qb7 25.cd5 cd5 26.Bd4 Nd4+= 27.Nd4 Bd4 28.Qd4+/– Rac8 29.Qb2 Rc6 (29...d4 30.ed4 Qd5 31.Rab1+/–) ½–½. Engles,Michael – Castle,Thomas, IECC, 2001.

11.Bd4 Bd6 12.Qf3 Be5 13.Be5= Re5 14.d4 Re6 15.Nd2 Rc6 16.Rfc1 Qd6 17.c4 Qa3 18.Qd1 Ra6 19.Qb3 Qb3 20.ab3 Ra1 21.Ra1 a5 22.Kf1 b6 23.Ke2 Rd8 24.Rc1 Kf8 25.Nb1 Rd7 26.Nc3 c6 27.cd5+= Nd5 28.Nd5+/– cd5 29.Rc6 b5 30.Rc5 Rb7 31.Rd5 a4 32.ba4 ba4 33.Ra5 Rb2 34.Kf3 Ra2 35.Ra7 a3 36.d5 Rd2 37.e4 a2 38.Ke3 Rb2 39.h4 Ke8 40.g4 h6 41.g5 hg5 42.hg5+– g6 43.f3 Rg2 44.Kd4 Rc2 45.Ke5 Rb2 46.Kd6 Rb6?? 47.Kc7 Rb2 48.Ra8 (48.Ra8 Rb8 49.Rb8 Ke7 50.d6 Ke6 51.Re8#) 1–0. Rottstaedt,Werner (2265) – Gikas,Basilius (2220), NRW, 2004.

11.Bd4 Qe7 12.Qf3 =+.

9.Be2 Qe7

10.Nc3 a6 +=.

10.Nc3 Rad8 11.a3 Ba5 +=.

10.Nd4 Nd4 11.Bg4 Nc6 (11...Ng4 12.Qg4 Qe4 13.Qe4 Ne2 14.Kh1 Re4 15.Re1+/–) 12.Nc3 (12.Bf5 Bd6=) 12...Ne5 (12...d4 13.Nb5 Bd2 14.Nd4 Nd4 15.Bd4=) 13.Be2= Rad8 14.Nb5 Qd7 (14...a6 15.Rb1 Bd2 16.Nc7 Qc7 17.Qd2+=) 15.f4 (15.Rb1 a5+=) 15...Nc4 16.Bc4 (16.Bf6!? gf6 17.c3+=) 16...dc4+= 17.Bf6 gf6 18.Nd4 (18.c3 Qb5 19.Rb1 c5+=) 18...c5 19.c3 (19.a3 Bd2 20.Qd2 cd4 21.ed4 Qd4 22.Qd4 Rd4–/+) 19...cd4–/+ 20.cb4 de3 21.de3 Qd1 (21...Qe6 22.Qh5 Qe3 23.Kh1–/+) 22.Rfd1 (22.Rad1 Rd1 23.Rd1 Re3+=) 22...Rd1 23.Rd1 Re3 24.Rd7 Re2 25.Rc7? (better is 25.Kf1!? Ra2 26.Rb7+=) 25...b5–+ (25...Ra2?! 26.Rc4 Ra4 27.f5–/+) 26.Ra7? (better is 26.a3 Ra2 27.Rc5–+ (27.Ra7?? c3–+)) 26...c3 27.Rc7 c2 28.Kf1 (28.a3 Re1 29.Kf2 c1Q 30.Rc1 Rc1–+) 28...Rd2 29.Ke1 Rd1 (29...Rd1 30.Ke2 c1Q 31.Rc1 Rc1–+) 0–1. Dessing,Bastiaan – Ouwendijk,Vincent, NED–ch U14 Schagen, 2003.

10.Nd4 Be2 11.Nc6 Bd1 12.Ne7 Be7 13.Rd1 +=.

10.Nd4 Be2 11.Ne2 Ne5 12.d3 Bd6 (12...c6 13.Nd4+=) 13.Ng3 Ng6 (13...Qe6 14.Nd2+=) 14.Nf5= Qe6 15.Nd6 Qd6 16.Nd2 Rad8 (16...c5 17.Rb1 b6 18.Qf3=) 17.a4 (17.Rb1 b6=) 17...Ne5 18.Nf3 Nfd7 (18...Nfg4 19.Ne5 Ne5 20.Be5 Qe5 21.Qb1=) 19.Nd4 c6 (19...c5 20.f4 Nc6 21.Nb5=) 20.Qh5 (better is 20.f4!? Ng6 21.Nf5+–) 20...Qg6 (20...Nf6 21.Qh4=) 21.Qh3 (21.Qg6 Ng6 22.Rfb1 Ne7+=) 21...Qg4 (21...Nf6 22.Rab1=) 22.Qg4 Ng4 23.Nf5 (better is 23.Rfb1 Nde5 24.Ba3+=) 23...Ngf6 (better is 23...g6!? 24.Nd4 f6=) 24.Nd6+/– Re6 25.Bf6 Rf6 (25...Nf6 26.Nb7 Rde8 27.Rfb1+/–) 26.Nb7 Rb8 27.Rab1 c5? 28.Rb5 Rb6 29.Nc5+– Rb5 30.Nd7 Rb4 31.Nb8 Rb8 32.g3 Rb4 33.Ra1 Rb2 34.a5 Rc2 35.Rb1 g5 36.Rb7 d4 37.Ra7 Rc6 38.a6 Rc3 39.Ra8 Kg7 (39...Kg7 40.a7 Ra3 41.ed4 f5+–). Finenko – Budzinskiy, URS, 1990.

9.h3 Be6

10.a3 Bd6 11.Nc3 =+.

10.d3 Qe7 11.Nbd2 a6 12.Rb1 b5 13.Nb3 Bd6 14.Qd2 Bd7 15.Nbd4 Nd4–/+ 16.Nd4 c5 17.Nb3 Be6 18.Bf3 Nd7 19.c4 Qg5 20.Bd5 Bd5 21.cd5 Qd5 22.Rfd1 Rad8 23.Qa5 Qa8 24.Rbc1 Qa7 25.Qc3 Be5 26.Qc2 Bb2 27.Qb2 Rc8 28.Rc3 Ne5 29.d4 cd4 30.Rc8 Rc8 31.Qd4 Qc7 32.Qd6 Qd6 33.Rd6 Ra8 34.Nc5 a5 35.Nb7 a4 36.Rd5+/– f6 37.Rb5 a3 38.Kf1 Rc8 39.Nd6 Rd8 40.Rb6 Nd7 41.Rb4 Nc5 42.Rd4 Ne6 43.Rd2 h5 44.Ke2+– g5 45.Nc4 Ra8 46.Rd6 Kf7 47.Rd3 Ra4 48.Nd6 Kg6 49.Rc3 Ra5 50.Nc4 Ra4 51.Na3 f5 52.Kd1 h4 53.Kc2 Ra8 54.Kb3 Rb8 55.Ka4 Rb2 56.Rc2 Rc2 57.Nc2 g4 58.Ne1 Ng5 59.hg4 fg4 60.Nd3 h3? 61.gh3+– gh3 62.Nf4 Kf5 63.Nh3 Nh3 64.Kb5 Nf2 65.a4 Ke5 66.a5+/– Kd6 67.Kb6 Ng4 68.e4 Ne5 69.Kb5 Nd7 70.Kb4 Kc7 71.Kc3 Ne5 72.Kb3 Kb7 73.Kc2 Ka6 74.Kd2 Ka5 75.Ke3 Nc6 76.Kf4 Kb6 77.Kg5 Kc5 78.Kf5 Kd4 79.Kf4 Nb4 80.Kf3 Nd3 81.e5 Ke5 ½–½. COMP – COMP, 2001.

10.d3 Qe7 11.Nbd2 a6 12.Rb1 b5 13.Nb3 Bd6 14.Qd2 Bd7 15.Nbd4 Nd4–/+ 16.Nd4 c5 17.Nb3 Be6 18.Bf3 Nd7 19.d4 ½–½. Plock,Joerg – Benassi,Aspasio, corr, 1999.

9.h3 Bf5

10.a3 Be7 11.Nc3 a6 12.d4 Bd6 13.Bd3 Qd7 14.Nh4? (better is 14.Re1!?+=) 14...Bh3–/+ 15.gh3? (better is 15.Na4–/+) 15...Qh3–+ 16.Nf3 (16.f4 Qg3 (worse is 16...Qh4 17.Qd2–+) 17.Ng2 Ng4 18.Qg4 Qg4 19.Nd5 Ne7 20.Ne7 Be7–+) 16...Ng4 17.Nd5 (17.Bh7 Kh8 18.Bf5 Re3 19.Na2 Rf3 20.Re1 Qh2 21.Kf1 Qf2) 17…Re6 (17...Re6 18.Nf4 Bf4 19.Bh7 Kh8 20.d5 Bh2 21.Kh1 Be5 22.Kg1 Rh6 23.Be5 Qh1) 0–1. Hasidume,Shuji (1845) – Saxena,Alok (2205), 12th AfroAsia Zonal Champs Prelim Group, 2009.

10.d3 a6 11.Nbd2 Qe7 12.Rb1 b5 13.Re1 Bd6 14.Nb3 Bd7 15.c4 Bb4 16.Nbd2 dc4 17.dc4 Rab8 18.cb5 ab5 19.Qc2 Ba5 20.Bf6+= Qf6 21.Bb5 Nb4 22.Rb4+= Bb5 23.Rh4 Qg6 24.Qg6 fg6 25.Rc1 Be2 26.Ra4 Bb6 27.Nd4 Rbd8 28.N2b3 Bd3 29.Nc5 Bf5 30.g4 Bc8 31.Kg2 Rd5 32.Rac4 g5 33.Kg3 Re7 34.a3 Rd6 35.Nf5 Bf5 36.gf5 Re5 37.Kg4 Rdd5 38.Ne6 Ra5 39.Rd1 Rf5 40.Rd2 h6 41.Nc7 Rfc5 42.Rc5 Bc5 43.Rd5 Ra4 44.Kf5 Ba3 45.Rd7 Kh7 46.Nd5 Ra8 47.Nf6 Kh8 48.Ne4 Kh7 49.Rb7 Ra5 50.Kg4 Ra4 51.f3 Kg6 52.Kg3 Bb4 53.Rb6 Kh5 54.f4 Bf8 55.Kf3 gf4 56.Kf4 g5 57.Kf3= Kh4 58.Nf2 Rc4 59.Rb7 Rc3 60.Rh7 Ra3 61.Ng4 Ra6 62.Rf7 Bb4 63.Rc7 Bd2 64.Rc4 Kh5 65.Ke2 Rd6 66.Nf2 Ba5 67.Ne4 Re6 68.Kd3 Bb6 69.Ng3 Kg6 70.e4 Bd8 71.Nf5 Bf6 72.Ra4 Rc6 73.Ra3 h5 74.Ke3 Rc2 75.Ra8 Rc3–/+ 76.Kf2 Rh3 77.Rg8 Kh7 78.Rf8 Be5 79.Re8 Bf4 80.Re7 Kg6 81.Re6 Kf7 82.Re7 Kf6 83.Re8 Bc7 84.Rc8 Rc3 85.Re8 g4 86.Ke2 Bb6 87.Rb8 Rb3 88.Rh8 Kg5 89.Kd2 Rh3 90.Rh6 Bd4 91.Re6 Bc3 92.Ke2 Kf4 93.Kf1 Rh2 94.Rh6 g3 95.Kg1 Be5 96.Ra6 h4 97.Rh6 h3 98.Ng3 Kg3 99.Rg6 Kf3 (99...Kf3 100.Rf6 Ke4–+ (100...Bf6?! 101.Kh2 Be5 102.Kh3=)) 0–1. Pierred (2265) – Sagiro (2525), Rated game, 5m + 0s, 2005.

10.d3 Bd6 11.Nbd2 Ne5 12.Re1 Qd7 13.Bf1 c5 (13...Qe7 14.Ne5 Be5 15.Be5 Qe5 16.c4=) 14.Rb1 (14.Ne5 Be5 15.Be5 Re5=) 14...b6 (better is 14...Qc7!?+=) 15.e4+= Bg6 16.Ne5 Be5 17.Be5 Re5 18.f4 Ree8 19.f5 de4 (better is 19...Bf5!? 20.ef5 Qf5+=) 20.fg6+– Qd4 21.Kh1 hg6 22.Ne4 Nh5? (22...Ne4 23.de4 Re4 24.Qd4 Rd4+– (24...cd4?? 25.Re4 Rc8 26.Rd4+–)) 23.Qf3 f5 24.Ng3 Nf6 25.c4 Qc3 26.Ne2 Qc2 27.Nf4 Qa2 28.Ng6 Qd2 29.Ne7 Kf7 30.Red1 Qg5 31.Nf5 (31.Nf5 Rad8 32.d4+–) 1–0. Heinzel,Peter (2080) – Schwarz,Larissa (1870), Dortmund GER, Sparkassen Open, 2012.

10.d3 Bd6 11.Nbd2 Qe7 12.c4 Nb4 13.Qb1 dc4 14.Nc4 Nfd5 15.Nd4 Bg6 16.a3 Nc6 17.Nc6+/– bc6 18.Bf3 Rab8 19.Qc2 a6 20.Rab1 Bc5 21.Rfc1 Qe6 22.Kh2 Qf5? 23.e4+– Qf4 24.Kg1 Ne7 25.Be5 Qh4 26.d4 Ba7 27.Rb8 Rb8 28.Bc7 Rb5 29.Be5 Rd5 30.Rd1 h6? 31.Qa4 Be4 32.Bg3 Qg5 33.Be4 Rd4 34.Ne3 Qe3 35.fe3 Rd1 36.Qd1 f5 37.Bc6! (37.Bc6 Be3 38.Kf1+–) 1–0. Fritz 8 – Fritz 5.32, 2004.

10.d3 Qe7 11.Nbd2 Rad8 12.c4 dc4 13.Nc4 Nd5 14.Rc1 Nf4 15.d4 Nh3 16.gh3 Bh3 17.Kh1 Bf1 18.Qf1 Qe4 19.Qg2 Re6 20.Nh2 Qg2 21.Kg2 Rg6 22.Kf1= Rh6 23.Nf3 Rh1 24.Ng1 Rh2 25.Bf3 Be7 (25...Rh6 26.a3 Bf8 27.Ne2+=) ½–½. Ruether,R – Dziel,Jaromir, corr SOK–96–112, 1996.

9.h3 Bh5

10.a3 Ba5 11.d3 Bg6 12.Nbd2 Ne5?? 13.Ne5+– Re5 14.Be5 c5 15.Rb1 Bb6 16.c4 dc4 17.Nc4 Bc7 18.Rb7 Be5 19.Ne5 Nd5 20.Rd7 Qa5 21.Rd5 Qa3 22.Qa1 (22.Qa1 Qb3 23.Bf3+–) 1–0. Westqualmer – MP, playchess.de, 2001.

10.a3 Bc5 11.Nc3 a6 (11...Bf3 12.Bf3 Ne5 13.Be2 Bd6 14.Nb5 c6 15.Nd6 Qd6=; 11...Qd7 12.Rb1 Rab8 13.Na4 Be7 14.Bf6 Bf6 15.Nc5 Qc8=; 11...Rb8 12.Nb5 Be7 13.g4 Bg6 14.Ne5 a6 15.Ng6 hg6=+; 11...Na5 12.Nb5 Rc8 13.d3 Nc6 14.c4 a6 15.Nc3 dc4=; 11...Bd6 12.Nb5 Be7 13.Ne5 Be2 14.Qe2 Nb8 15.Nd4 c6=; 11...b6 12.g4 Bg6 13.Bb5 Qd7 14.Na4 Qe6 15.Ng5 Qd7+=; 11...Ne4 12.Rb1 Rb8 13.Na4 Bd6 14.d3 Nf6 15.Nc3 a6=; 11...Rc8 12.Rb1 Ne4 13.Re1 Rb8 14.Qc1 Bf3 15.Bf3 Qh4=) 12.Re1 Ne4 (12...b5 13.d3 Qd6 14.Qd2 Rad8 15.Nh4 Be2=+) 13.d3 Nc3 14.Bc3 Qd6 15.a4 (15.Bb2 Rad8=) 15...Qg6 (15...b6 16.Qd2=) 16.g4 (16.Rb1 b6+=) 16...d4 (16...Bg4 17.hg4 Qg4 18.Kh1 Qh3 19.Nh2–/+) 17.ed4 (better is 17.Nd4!? Bd4 18.Bd4 Nd4 19.ed4+/–) 17...Bg4 =.

10.a3 Bd6 11.d3 Ne5 12.Ne5 Be2 13.Qe2 Be5=+ 14.Be5 Re5 15.d4 Re7 16.Nd2 Ne4 17.Ne4 Re4 18.a4 c6 ½–½. Dilling,Ralf – Spiegel,M, corr SOK–88–22, 1988.

10.a3 Bd6 11.d3 h6 12.Nbd2 Qe7 13.Nd4?? (better is 13.c4=) 13...Qe5–+ 14.g3 (14.f4 Qe3 15.Rf2 Be2 (worse is 15...Bf4 16.Nf1 Nd4 17.Ne3 Ne2 18.Re2 Be3 19.Kf1 Be2 20.Qe2–+) 16.Ne2 Bc5–+) 14...Be2 15.Qe2 Nd4 16.Bd4 Qd4!! 17.Nb3 (17.ed4 Re2 Pinning (17...Re2 Deflection; 17...Re2 Clearance)) 17...Qe5 18.d4 Qe6 19.Kh2 b6 20.Rfe1 c5 21.f4 (21.dc5 bc5 22.Qf3 Rab8–+) 21...Ne4 22.Qg2 Qf6 23.a4 cd4 24.Nd4 Bc5 25.Nb5 Qc6 26.Qf3 a6 27.Nd4 Bd4 28.ed4 Qc2 29.Kg1 Qc4 30.Red1 b5 31.ab5 ab5 32.Rac1 Qb4 33.Rb1 Qc3 34.Qg2 b4 35.g4 b3 36.Rbc1 Qe3 37.Kf1 Ng3 (37...Ng3 38.Qg3 Qg3 39.Rd2 Ra2 40.Ra2 ba2 41.h4 Qf4 42.Kg1 Qc1 43.Kf2 Qf4 44.Kg2 Re2 45.Kh3 Qe3; 37...Ra2 38.Qc2 Rc2 39.Rc2 bc2 40.Rd2 c1Q 41.Kg2 Qcg1) 0–1. Makhanov,Amirkhan – Yang,Yuhang, Maribor SLO, World Youth Ch U08 (b), 2012.

10.Nc3 a6 11.a3 Bd6 12.a4 Qe7 13.Nh4 Be2 14.Ne2 Be5 15.d4 Ne4 16.Nf3 Bd6=+ 17.Qd3 Qe6 18.Ba3 g5 19.Bd6= cd6 20.Nh2 Rac8 21.Rab1 Rc7 22.Nc3 Ne5 23.de5 Nc3 24.ed6 Qd6 25.Ra1 Qg6 26.Qd2 h5 27.Ra3 d4 28.Nf3 de3 29.fe3 Ne4 30.Qd5 Qe6 31.Qa5 Rc5 32.Qb4 g4 33.Nd4 Qg6 34.h4 b6 35.a5 b5=+ 36.Rd3 Rce5 37.Ne2 Qc6 38.Qb3 Qe6 39.Qb4 Qe7 40.Qe7=+ R8e7 41.Rd8 Kg7 42.Nd4 Rc7 43.Ra8 Nc5 44.Rb8 Ne6 45.Nf5 Kg6 46.Rg8 Kh7 47.Ra8 Nc5 48.Nd6 Re3 49.Nf7 Re2=+ 50.Ng5 Kg7 51.Rff8 Rc2–/+ 52.Rae8 b4 53.Rg8–/+ Kf6 54.Rgf8 Kg6 55.Ne6 Ne6 56.Re6 Kg7 57.Rff6 b3 58.Rg6 Kf8 59.Kh2 b2 60.Rb6 R7c3 61.Rb8 Kf7 62.Rgb6 Rh3–+ 63.Kg1 Ra3 64.R8b7 Ke8 65.Rb8 Kd7–+ 66.R8b7 Rc7 67.Rc7 Kc7 68.Rb2 Ra5 69.Kf2 Re5 70.Kg3 Rf5 71.Rc2 Kd6 72.Rd2 Rd5 73.Rc2 a5 74.Kf4 a4 75.Ra2 Ra5 76.Ke4 Kc5 77.Kd3 a3 78.Kc3 Ra8 79.Kb3 Kd4 80.Kc2 Ke3 81.Kc1 Kf4 82.Kd1 Kg3 83.Ke1 Kh4 84.Kf2 Kg5 85.g3 Kf5 86.Ke3 Ke5 87.Kd3 Kd5 (87...Kd5 88.Kd2 Kc4–+) 0–1. Grcic,Milan – Rout,Ian Clive, ACT ch Canberra, 1996.

10.Nc3 Ne4 11.Rb1 =+.

10.Nc3 Ne4=+ 11.g4 Bg6–/+ 12.Nb5 Ba5 13.d3=+ Nc5 14.Ba3 Na4 15.c4 Nc3 16.Nc3 Bc3 17.Rc1 Bf6 18.cd5= Qd5 19.Qd2 Rad8=+ 20.Ne1 Rd7 21.Rc5 Qe6 22.g5 Be7 23.Bg4+/– Bc5? 24.Be6+– Re6 25.Bc5 Re5 26.Ba3 Rg5 27.Kh2 Ra5 28.Qc3 Rh5 29.Bb2 Ne5 30.Rg1 f6 31.Qb3 Bf7 32.Qb7 h6 33.Be5 Re5 34.d4 Ree7 35.Qa7 Kh7 36.a4 c6 37.Qc5 Bd5 38.Nd3 Be4 39.Nf4 Ra7 40.a5 Reb7 41.Ra1 Ra6 42.Kg3 Rb5 43.Qc3 Rg5 44.Kh2 Rf5 45.f3! (45.f3 Rf4 46.fe4+–) 1–0. Wagle,Marina – Bussemer,Ilona, GER–ch U16 Girls, 2001.

10.c4 dc4=+ 11.Bc4 Qd6 12.a3= Ba5 13.d4 Ne4 14.d5= Ne7 15.g4 Bg6=+ 16.Be5 Qd8 17.Qa4 Bb6 18.Qb3 Nf5 19.Bf4 Nh4 20.Qd1 c6 21.Nh4 Qh4 22.Qf3 Rac8 23.Ra2 Qf6 24.Qg2 Red8 25.dc6 Qc6 26.Bb3 Qf6 27.Qh1 Nc5 28.Bd5 Nd3 29.Qf3 Ba5 30.Nd2 Nc1 (30...Nc1 31.Ne4 Be4 32.Qe4 Na2 33.Ba2 Bc7–+; < 30...Nf4 31.ef4 Rc5 32.Ne4 Be4 33.Be4–/+) 0–1. Grott,Peter – Leisebein,Peter, DESC, 2000.

10.d3 Rc8 11.Nbd2 Bd6 12.Rb1 (12.c4 dc4 13.Nc4 b5 14.Nd6 cd6 15.Qb3 a6 16.Rfc1=) 12...b6 (12...Nd7 13.c4 Nb6 14.cd5 Nd5 15.Ne4 Qd7 16.Nd6=) 13.c4 Bf3 (13...dc4 14.Nc4 a5 15.a3 Be7 16.Qa4+=) 14.Bf3 (< 14.gf3 d4 15.Ne4 Ne4 16.fe4 de3–/+) 14...Ne5 (14...Nb4 15.cd5 Nbd5 16.Nc4+=) 15.Be5 Re5 16.d4 Rg5 17.h4 Rg6 (17...Rf5 18.cd5 Nd5 19.Ne4 Qh4 20.g3=+) 18.cd5 Bb4?? (better is 18...Nd7 19.h5 Qh4+=) 19.Rb4+– (19.Rb4 Nd5 20.Rc4+–) 1–0. Morozevich,A – Dlugy, ICC, 2000.

10.d3 Bd6 11.Nbd2 Ne5 12.Ne5 Be2 13.Qe2 Be5 14.Be5 Re5 15.d4 Re7 16.c4 c6 17.c5 Qc8 18.Rfb1 Qf5 19.Rb2 Rae8 20.Rab1 Qc8 (20...Rb8 21.a4+=) 21.a4 Rc7 22.Nf3 Nd7 23.a5 a6 24.Rb3 Nf6 25.Qb2 Ree7 26.Ne5 Ne4 27.Nd3 (27.f3 Ng5+=) 27...h6 (27...h5 28.Qc2+=) 28.Qc2 (28.f3 Nf6 29.Qf2 Re8+=) 28...Ng5 (28...Qf5 29.Qe2+=) 29.Nf4 Ne6 30.Ne6 Re6 31.R1b2 Ree7 32.Qb1 Qa8 33.f3 Rcd7 34.Kf2 g6 35.Rb6 Kg7 36.R6b3 ½–½. Latka,Tadeusz (1625) – Gumularz,Szymon (1690), Cztery Pory Roku w KKSz – wiosna Poland, 2012.

10.d3 Nd7 11.Nbd2 Nce5 12.Ne5 Be2 13.Qe2 Ne5 14.f4 Nd7 15.Rf3 f5 16.Rg3 Nf6 17.Nf3 Bd6 18.Ne5 c5 19.Rg5+= d4 20.ed4 Qb6 21.c4+/– cd4 22.Rf5 Bb4 23.Rf1 Rad8 24.Bc1 (24.Qf2 Re7+/–) ½–½. Loschinski,Dieter – Lange,Helmut, Germany, 1993.

10.d3 Bf3 11.Bf3 Ne5 12.a4 c6 13.Ba3 Qa5 14.Bb2 Rad8 15.Be2 Qc7 16.c3 Bd6 17.Nd2 Qe7 (17...c5 18.c4+=) 18.Qb3 Rb8 19.d4 Ng6 20.Nf3 (20.Bd3 Rbd8=) 20...Ne4 (20...Nf4 21.Bd1 Ne6 22.c4=) 21.Ba3 Ng3 22.Rfe1 Ne2 23.Re2 ½–½. Breitfeld,J (2010) – Grassmann,H (1940), Dresden GER, 2013.

10.Nd4 Be2 11.Qe2 Nd4 12.Bd4 c6 13.d3 Re6 14.Nd2 Bd6 15.Nf3 Nd7 16.Qd2 c5=+ 17.Bb2 Be7 18.Rab1 Qc7 19.Rbc1 Ra6 20.a3 Bf6 21.Bf6 Nf6=+ 22.Ra1 Rd8 23.Qe2 Ra4 24.Ra2 Rd6 25.Rfa1 Rda6 26.Nd2 b5 27.c3 b4 28.cb4 cb4 29.Nb1 Rc6–/+ 30.Nd2 Rc2 31.Qd1=+ Ra2 32.Ra2 Ra3 33.Ra3 ba3 34.Nb3 Nd7 35.Qa1 Qd6 36.Qc3 Qb8 37.Nc1 Qb2 38.Qc8= Nf8 (38...Nf8 39.d4 a2 40.Na2 Qa2–+) 0–1. Ruhle,Ernst Albrecht – Abendroth,Guenter, Wch Seniors Bad Wildbad, 1993.

10.Nd4 Be2 11.Ne2 Bd6 12.d3 Qe7 13.Nd2 Rad8 14.Rb1 Nd7 15.c4 Nb6 16.cd5 Nd5 17.d4 (17.Ne4 Ndb4 18.Bd4 Nd4 19.Nd4 Be5=) 17...Bb4 18.Nf3 Qe4 19.Ng3 Qg6 20.e4 Nf4 21.d5 Na5 (21...Bc5!? 22.Kh2 Nb4=) 22.Be5 Bd6 23.Bc3 (23.Bd6 Qd6 (23...cd6? 24.Qd2+–; 23...Rd6? 24.Qa4 c6 25.Qa5+–) 24.Qa4 b6+=) 23...Nh3 (23...Nc4 24.Qd4 Qg3 25.fg3 Ne2 26.Kf2 Nd4 27.Bd4 (< 27.Nd4 Re4 28.Rb7 Bc5–/+) 27...Re4 28.Rb7=) 24.gh3 Bg3 25.Kh1 Bf4 26.Ba5+/– Qe4 27.Rb4 Qf5–/+ 28.Ng1 b6 29.Qf3 g5 30.Rf4 Qf4 31.Qf4 gf4 32.Bd2 Rd5 33.Bf4 c5 34.Rc1 Re4 35.Be3 Ra4 36.Rc2 Rd1 37.Bc1 Re4 38.Be3 Ra1 39.Kg2 Ra4 40.Rd2 R1a2 41.Rd7 Kf8 42.Nf3 Re4 43.Ng5?? Re3 44.Rf7 Ke8 45.Rh7 c4 46.Rc7 c3 47.h4 Kd8 48.Rc4 b5 49.Rc5 b4 50.h5 Ree2 51.Nh3 c2 52.h6 Re8 53.Nf4 Rg8 54.Kf3 b3 (55.Nd3 Rh8–+) 0–1. Goldmund – crafty, ICC, 1999.

10.d3 Qe7

11.a3 Bd6=.

11.a4 Rad8 12.Nbd2 Bd6 (12...h6 13.Nb3=) 13.Re1 Bg6 14.Nh4 Ne5 (14...Qd7 15.Ndf3=) 15.Nf1 (15.Rb1 Nc6=) 15...Nfd7 16.g3 Qe6 17.f4 (17.Nd2 Nf6 18.Kg2 Bb4=) 17...Nc6+= 18.Bf3 Bc5 (18...Bb4 19.c3 Ba5 20.g4=) 19.Kh2 (19.g4 f5=) 19...Nf8 (19...Bb4 20.c3 Ba5 21.e4 de4 22.Ng6+=) 20.Qe2 (20.Nd2 f6+/–) 20...f6 (20...f5 21.Ng6 Ng6 22.d4+=) 21.Qg2 (better is 21.d4 Bb6 22.Ng6 Ng6 23.Nd2+=) 21...Bf7?? (better is 21...f5=) 22.Bg4+– f5 23.Nf5 1–0. Ardaman,Miles (2280) – Mabe,Chris J (2255), North Carolina Invitational, 2013.

11.Nbd2 Ba3 12.Rb1 Bb2 13.Rb2 Rab8 14.Nb3 Ne5 15.Ne5= Be2 16.Qe2 Qe5 17.d4 Qd6 18.Nd2 c5 19.dc5 Qc5 20.Qd3 Rec8 21.Rfb1 b6 22.Nb3 Qc3 23.Qf5 g6 24.Qf3 Ne4 25.Qf4 Qf6 26.Qf6= Nf6 27.Nd4 Ne4 28.Rb5? Nc3–+ 29.a4 Nb1 30.Rb1 Rc5 31.Kf1 Rbc8 32.Ke2 Ra5 33.Rb5 Rc5 34.Rb4 Rc4 35.Rb5 Rca4 36.Rb3 Ra2 37.Kd2 Rc5 38.g4 Kf8 39.f4 Ke7 40.h4 Kd7 41.f5 Kd6 42.Rb1 gf5 43.Nf5 Ke5 44.Nd4 Rc4 45.Rf1–/+ Rd4 46.ed4= Kd4 47.Rf7 b5 48.Rh7 b4 49.Rb7 a5 50.g5 Ra1 51.g6 Rg1 52.g7 Kc5?? 53.h5+– Rg2 54.Ke3 Kc6 55.Rf7 Kd6 56.h6 Ke6 57.Ra7 Rg3 58.Kd4 Rg4 59.Kc5 (59.Kc5 b3 60.cb3+–) 1–0. Levin,Anatoly – Sarkar,Justin (2365), Internet Section, 2003.

11.Nbd2 Qe6 12.Nb3 Nd7 13.Nfd4 Be2 14.Qe2 Nd4 15.Nd4 Qe5 16.Rab1 Bd6 17.g3 Qg5 18.Qg4 Qg4 19.hg4 h6 20.Nf5 Bf8 21.Rfe1 c5 22.e4 g6 23.Nh4 d4 24.c3 Ne5 25.cd4 Nd3 26.Red1 c4 27.e5 b5 28.Ng2 Rac8 29.Ne1 Ne1 30.Re1 b4 31.d5 c3 32.Bc1 Rcd8 33.d6 Bd6 34.Bh6 Re5 35.Re5 Be5 36.Rb4 a6 37.Rc4 Rd1 38.Kg2 Ra1 39.Bf4 Bg7 40.a4 Ra2 41.Bc1 Kf8 42.g5 Ke7 43.Kf3 a5 44.Ke3?? Ra1–+ 45.Kd3 Rc1 46.Re4 Kd7 47.Rd4 Bd4 –+. Bighren (1915) – kamret (2190), GameColony.com, 2003.

11.Nbd2 Rad8

12.Rb1 b5 =.

12.Rb1 b6 13.c3 Bd6 14.Qa4 Qd7 15.c4 Ne5 16.Qd7+= Rd7 17.Ne5 Be5+= 18.Bh5 Nh5 19.Be5 Re5 20.cd5 Red5= 21.d4 Nf6 (21...Nf6 22.Nb3 R5d6=; 21...c5 22.Nf3=). Steve giddins (1825) – Eralos (1885), Partida amistosa, 3m + 1s, 2006.

12.c3 Ba5 13.Re1 Bb6 14.Qa4 Bg6 15.Rad1 Na5 16.Nh4 c5 17.Ng6 hg6 18.Nb3 Nb3 19.ab3 a6 20.Bf3 Qd7 21.Qa1 Qd6 22.c4 dc4 23.dc4 Qe7 24.e4 Rd1+= 25.Qd1 Ba5 26.Re3 Rd8 27.Rd3 Rd3 28.Qd3 Nd7 29.Be2 Bc7 30.g3 Be5= 31.Ba3 Qd6 32.Qd6+/– Bd6 33.f4 f6 34.Bg4 Nb6 35.Be6 Kf8 36.e5! Be7 37.Kf2 a5 38.Bd5+– a4 39.ba4 Na4 40.Bb7 Nb6 41.Bd5 Nd7 42.Be6 Nb8 43.Ke3 fe5 44.fe5 Nc6 45.Ke4 Nb4 46.Bc1 Nc2 47.Bg4 Kf7 48.Bd1 Nb4 49.Bd2 Ke6 50.Bg4 Kf7 51.Bd7 Bd8 52.Be3 Be7 53.g4 Nc2 54.Bf2 Nb4 55.Be1 Nc2 56.Bf2?? Nb4 57.Bg3 Nc2 58.e6 Kf8 59.Ba4 Nb4 60.h4 Na2 61.Bb5 Nb4 62.g5 Nc2 63.Ba4 Nb4 64.Be1 Bd8 65.Bb4 cb4 66.Kd5 Ke7 67.c5 Bc7 68.Bc2 Bg3 69.c6 Kd8 70.Bg6 Bf4 71.Kc4 Ke7 72.Bf7 Kd8 73.Kb4 Bd6 74.Kb5 Be7 75.Kb6 Kc8 1–0. Haugli,Petter (2240) – Heiberg,Thomas (2205), Gausdal Jubilee, 1983.

12.c3 Bd6 13.Rb1 =+.

12.c3 Bd6 13.Re1 h6 14.Rb1 Bg6 (14...a6 15.a4=) 15.Ba1 b6 16.Qa4 Na5 (16...Qd7 17.Bb2=) 17.Nd4 c5 18.N4b3 Nb3 (18...c4 19.Na5 ba5 20.Qa5 cd3 21.Bf3+=) 19.ab3= (19.Qb3 Worse is 19...c4 Deflection: d3 20.Qb5 cd3 21.Bd3 a6 22.Qa6 Ra8–+; 19.Rb3 Weaker is 19...c4 20.dc4 Bc2 21.cd5 Nd5–/+) 19...Bb8 20.Nf3 Nd7 21.Qh4 Qd6 22.c4 Nf8 23.Red1 (23.Rbd1 Rd7+=) 23...dc4 (23...d4 24.e4 f5 25.e5–/+) 24.bc4 (24.Qc4 Qe6=) 24...Qe7 (better is 24...Bc7+=) 25.d4?? (25.Qe7!? Re7 26.Ne1=) 25...Qc7 (better is 25...Qh4 26.Nh4 Bb1 27.Rb1 cd4–+) 26.Bd3 (26.Rbc1 Re4 27.g4 Re7+=) 26...cd4–/+ 27.Bd4 Bd3 28.Rd3 Qc4 29.Rc3 Qb4?? 30.Rbc1 Ne6 31.Rc4 Qe7 32.Ba1 Qh4 33.Nh4 Rd5 34.g4 Red8 35.Kg2 Be5 36.Nf5 Kf8 37.Be5 Re5 38.f4 Rc5 39.Kf3 h5 40.Ng3 hg4 41.hg4 Rdc8 42.Rc5 Rc5 43.Rd1 b5 44.Ne4 Rc7 45.f5 Nc5+= 46.Rc1 Na6 47.Ra1 Rc6 48.Nd2+= Ke7 49.Nb3 b4 50.Ke4 Kd6 51.Kd4 Kc7 52.e4 Kb6 53.e5 Nc7 54.Nd2 Nb5–+ 55.Ke3 a5 56.g5 b3! 57.Rb1? a4 58.Nb3 Rc3 59.Ke4 Rb3 60.Re1 a3 61.e6 fe6 62.fe6 a2 63.Ra1 Kc7 64.Kf5 Rb2 65.Kg6 Kd6 66.Kg7 Ke6 67.g6 Nc3 68.Kg8 Rb1 69.Ra2 Na2 70.Kh7 Rh1 71.Kg7 Nb4 72.Kg8 Nd5 73.g7 Ne7 74.Kf8 Rf1 75.Ke8 Rf7 76.g8Q Ng8 77.Kd8 Nf6 (77...Nf6 78.Kc8 Kd5 79.Kb8 Kc6 80.Ka8 Kb6 81.Kb8 Rf8) 0–1. Springer,Heinrich Victor (1790) – Boewer,Roland (2150), Berlin Eckbauer op 4th, 2001.

8.0–0 h6

9.a3 Bd6 10.d4 Bf5 11.Nbd2 Ne4 (11...Qd7 12.c4+=) 12.c4= Nd2 13.Qd2 dc4 14.Bc4 Qe7 15.Qc3 Qf6 16.Rae1 Be4 (16...Rab8!? 17.Re2 Re7=) 17.Nd2+= Qh4? (17...Bg6!?+=) 18.g3 (18.f4 Qf6+–) 18...Qg5 (18...Qf6 19.Ne4 Re4 20.Qc2+–) 19.f4 (19.d5 Nd8 20.f4 Qf6+–) 19...Qf6 (19...Qa5 20.Ne4 Re4 21.Qb3+–) 20.Ne4 Re4 21.Bd5 Ree8 (21...Rae8 22.Rf2+–) 22.Bg2 (22.e4 Bf8+–) 22...Bf8 (22...Be7 23.Rf2+–) 23.e4 White intends f5 23...Rab8 (23...Nd8 24.Qc7 Nc6 25.e5+–) 24.e5 Qe7 25.Kh1 (25.Rc1 Qd7+–) 25...Nd8 (25...Rbd8 26.d5 (26.Bc6?! bc6 27.Qc6 Qe6+/–) 26...Nb8 27.f5+–) 26.f5 (26.d5!? Qc5 27.Qd2 Qb5+–) 26...c6 27.Re4 Qd7 (27...b5 28.f6 Qd7 29.fg7 Bg7 30.Qf3+–) 28.Rh4 Be7 (28...b5 29.Rg4+–) 29.f6 Bf8 30.Rhf4 (30.fg7!? Bg7 31.Bc1 Re6+–) 30...g6+/– 31.R4f2 Ne6 32.Rd2 Nc7 33.Rfd1 Nd5 34.Qf3 (34.Qd3 Rbd8+/–) 34...Rbd8 35.h4 h5 36.Kh2 Qg4 (36...Qf5 37.Qb3 Bh6 38.Rf1+=) 37.Qb3 Qd7 (37...Bh6 38.Bh3 Qe4=) 38.Bh3+/– Qc7 39.Qf3 Bh6 40.Rd3 (40.Re2 Kh7+/–) 40...Rf8 (40...Nb6 41.Re1+/–) 41.Rf1 Rfe8 42.Rf2 a6 43.Qe4 White prepares e6 43...c5 44.dc5 Qc5 45.Bd4 Qc6 46.e6+– Rd6?? 47.Be5 Qc5 48.Rdf3 Rde6+/– 49.Be6 Re6 50.Rc2 Qb5 51.Qd4 Bf8 52.Rd3 0–1. Walter,Gerhard – Drei,Andrea, 14th Festival Internazionale, 2010.

9.Nc3 Ne4 =.

9.c4 dc4 10.Bc4 Be6 11.Be6 Re6 =.

9.c4 Be6 10.a3 Bf8 11.cd5 Nd5 12.Nc3 Nc3 13.Bc3 a6 14.Qc2 Qd7 15.Bd3 Rad8 16.Bh7 Kh8 17.Rfb1 b5 18.d4 Bg4 19.Nh4 (19...Qe7 20.Nf5=). Grott,Peter – Peetoom,Frank, DESC, 2000.

9.c4 Be6 10.cd5 Nd5 11.d4 Bf5 12.Bd3 Qd7 13.a3 Ba5 14.Qc2 Bd3 15.Qd3 Re6 16.Nbd2 Bd2 17.Qd2 Rd8 18.Rfe1 Nf6 19.Qc2 Qd5 20.Rab1 b5 21.Nd2 h5 22.Nb3 Rde8 (22...Re7 23.Nc5+=) 23.Nc5+/– Rd6 24.h3 Ne4 25.Ne4 Re4 26.Bc3 a6 27.Rec1 (better is 27.a4!? ba4 28.f3+=) 27...Rg6+= 28.Kh1 (better is 28.Kf1!?+=) 28...Rh4–/+ 29.e4 Qd7 30.Qd3 Ne5 31.Qe3 Qg4 32.Rg1 (32.Qg3 Qe4 33.Re1–+) 32...Nf3!! 0–1. UncleBulgaria – marekt, ChessWorld.net, 2016.

9.c4 Bf5 10.d4 a6 11.Nc3 dc4 12.Bc4 b5 13.Bb3 Bf8 14.Rc1 Na5 15.Bc2 Bc2 16.Qc2 Nc4 17.Ba1 g6 18.a4 Na3 19.Qb3 b4 20.Ne5 Qe7 21.Ng6 Qe6 22.Qe6 Re6 23.Nf8 Kf8 24.Na2 Rb8 25.Bb2 Nd5 26.Nb4 Nc4 27.Nd5 Nb2 28.Nc7 Reb6 29.a5 Rb3 30.Na6 Ra8 31.Nc5 Ra3 32.Rc2 Na4 33.Nd7 Ke7 34.Ne5 1–0. Bonetti,Shane – Norag (2150), ICC, 2002.

9.d4 Be6 10.Nbd2 Na5 11.a3 Bd6 12.h3 a6 13.Ne5 Ne4 14.Nef3 b5 15.Ne4 de4 16.Nd2 Bd5 17.Nb3 Nb3 18.cb3=+ Qh4 19.b4 Re6 20.Kh1 Rae8 21.Qe1 Rg6 22.f4 ef3 23.Qh4+/– fg2 24.Kg1 gf1Q 25.Kf1 Bg3 26.Qh5 Rg5 27.Qg5 hg5 28.Bc1 Re6 29.Kg1 Rf6 30.Bf1 Rf2 31.Bd3 (31.e4 Be4 32.Bb5 Rh2–+) 0–1. Deutekom,A – Van den Bergh,BG, Haarlem AKN, 1994.

9.Nd4 Bd7 10.Nc6 Bc6 11.d3 d4 12.ed4 Qd5 13.Bf3 Qe6 14.Bc6 Qc6 15.a4 Re6?! 16.c3 Bd6 17.Nd2 Nd5?? 18.c4! Rae8 19.cd5 1–0. Trkn – Marcus, itsyourturn.com, 2000.

9.Ne1 Bf5 10.Bd3 (better is 10.Nd3+=) 10...Qd7?? (better is 10...Bg4 11.f3 Bd7–/+) 11.Bf6+= gf6 12.Qh5 Bd3 13.Nd3 Bf8 (better is 13...d4 14.Qh6 Bd6+/–) 14.f4?? (14.Nc3 Ne5+/–) 14...Bg7 (14...d4 15.Rf3 de3 16.Rg3 Kh8 17.Re3–+) 15.f5 Kh7 16.c3 b6 17.Na3+= Ne5 18.Ne5 Re5= 19.Nc2 c5 20.Rf4 Rg8 21.Raf1 Bf8 22.h4 Re4 Black plans d4 23.Qf3 Rf4 24.ef4+= d4 25.cd4 cd4 26.Qd3 Qd5 Exerts pressure on the backward pawn 27.Rf3 Bd6 28.Qb3 Qb7 29.g3+= Qe4 30.Kf2 Kg7+= 31.Qd3 Qd5 32.a3 a5 33.Kg2 Bc5 34.Ne3 Qb7 35.Nc4 Re8 36.Kh3? Qe7?? 37.g4 Qb7 38.g5 hg5 39.fg5= Re1 40.gf6 Kf6–/+ 41.Nd6?? Bd6–+ 42.Qd4 Be5 43.Qd8 Kg7 44.f6 Kg6 45.Qd3 Qe4–+ 46.Kg2 0–1. Martinez De Navascues,F (1760) – Gomez Feria,JM (1835), Madrid ESP, 3rd Chamartin Open, 2014.

9.h3 a6 10.c4 (10.c3 Bd6+=) 10...dc4 11.Bc4 Be6 (11...b5 12.Be2+=) 12.Be6 Re6 13.Qb3 Qd5 (13...Ne4 14.a3 Be7 15.d4= (15.Qb7?? Nc5 16.Qa8 Qa8–+)) 14.Qd5 (14.Bf6 Qb3 15.ab3 Rf6=) 14...Nd5 15.Rc1 (15.d3 Rd8=) 15...Be7 (15...Rd8 16.d3=) 16.a3 (16.Nc3 Rd8=) 16...Na5 (16...Rd8 17.d3=) 17.Nd4 (17.Nc3 Nc3 18.Rc3 Nc6=) 17...Rb6 18.Nc3 Nc3 19.Bc3 Nb3 20.Nb3 Rb3 21.Rcb1 ½–½. Gimeno Higueras,Roberto (2140) – Gerona Maura,Jesus (2085), Cullera op–A, 2006.

8.a3 Bd6

9.Nc3 Na5 10.d3 =.

9.Nc3 Ne5 10.Nb5 Nf3 11.Bf3= Be5 12.Be5 Re5=+ 13.0–0 Re8 14.Nc3 c6 15.d3 b5 16.e4 a6 17.ed5 cd5 18.Re1 Bb7 19.Re8 Qe8 20.Ne2 Rc8 21.Rb1 Rc7 22.Qd2= Qe7 23.Rb3 Bc8 24.h3 Qe5 25.Rc3 Rc3 26.Qc3 Qc3 27.Nc3 Be6 28.Na2 Ne8 29.Nb4 Nc7 30.g4 Kf8 31.Bg2 Ke7 32.c3 Kd6 33.f4 Kc5 34.Nc2 f6 35.Kf2 Kb6 36.f5 Bf7 37.Ke3 Ka5 38.Kd4 Ka4 39.Kc5 Kb3= 40.Ne1 Ka3 41.Kd6 Kb3 42.c4 dc4 43.dc4 Bc4 44.Kc7 a5 45.Be4 a4 46.Nc2 b4 47.Kd6 a3–+ 48.Kc5 a2 49.Kd4 Bg8 (49...Bg8 50.h4 Kb2–+) 0–1. Benussi,Alberto (1740) – Giobbi,Costantino (2020), corr ICCF email, 1997.

9.c4 dc4 10.Bc4 Qe7 11.Qc2 h6 12.h3 Ne5 13.Ne5 Be5 14.d4 Bd6 15.Nc3 c6 16.Bd3 Nd5 17.Nd5 cd5 18.Qb3 Be6 19.Kd2 Rac8 20.Bc3 Rc7 21.Bb4 Rec8 22.Rhc1 Kf8 23.Bd6 Qd6 24.Qb4 Ke7 25.Rc7 Rc7 26.Rc1 Rc1 27.Kc1 b6 28.g4 Qb4 29.ab4 a5 30.ba5 ba5 31.f4 f6 32.Kb2 Kd6 33.Ka3 Kc6 34.Be2 g5 35.Ka4 Kb6 36.Bb5 Bc8 37.Bf1 Bd7 38.Kb3 Bb5 39.Bg2 Bc6 40.Bf1 Bb5 41.Bg2 Bc6 42.Bf1 Bb5 ½–½. Blasig,Volker – Paci, 1991.

9.d3 Ne5 10.Nbd2 Nf3 11.Nf3 c5 12.0–0 Qe7 13.Re1 Bg4 14.h3 Be6 15.Rb1 b6 16.Qd2 Bd7 17.c4 Rac8 18.cd5 Nd5=+ 19.Bd1 b5 20.e4 Nb6 21.Bb3 c4 22.dc4 bc4 23.Bc2 Bc5 24.Qc3 Qf8 25.Rbd1 Bc6 26.Nd4= Na4 27.Ba4 Ba4 28.Rd2 Bd6 29.Nf3 Bb8 30.e5 Rc5 31.Rd4 Bc7 32.Rc4 Ba5 33.Qd4 Rc4 34.Qc4 Be1 35.Qa4 Rb8 36.Bd4 Rb1 37.Kh2 Qe7 38.Qc2 Qb7 39.Ng5 g6 40.e6 fe6 41.Ne6 Rb5 42.Qc4 Rf5 43.Ng5 Kf8 44.Bc5 Rc5 45.Qc5+– Kg7? 46.Qe5 Kg8 47.Qe1 Qc7 48.g3 Qd7 49.Qe6 Qe6 50.Ne6 Kf7 51.Ng5 Kg7 52.Nh7 Kh7 53.g4 Kg8 54.Kg3 Kg7 55.Kf4 Kf6 56.h4 a6 57.h5 g5 58.Ke4 Ke6 59.f4 gf4 60.Kf4 a5 61.g5 a4 62.h6 Kf7 63.h7 1–0. Bendig,Frank – Uzcategui,Jorge, CiF LT–003 CIF, 2003.

9.Bf6 Qf6 10.Nc3 d4 11.Nb5 Qg6 12.Bd3 Qg2 13.Bh7 Kf8 14.Rg1 Qh3 15.Nd6 cd6 16.Bd3 Bg4 17.Ng5 Bd1 18.Nh3 Bh5 19.Rb1 Ne5 20.Ng5 Nd3 21.cd3 Bg6 22.Rb7 Rab8 23.Ne6 Kg8 24.Rb8 Rb8 25.Rg6 fg6 26.Nd4 a6 27.e4 Rb1 28.Ke2 Rh1 29.Nc2 Rh2 30.d4 Rh5 31.d5 Kf7 32.Nb4 a5 33.Nc2 a4 34.d3 Rh1 35.Ne3 Ke7 36.Nc4 g5 37.d4 Rh4 38.Kd3 Rh3 39.Ne3 Rf3 40.Ke2 Rf4 41.f3 g6 42.Ng4 Rf8 43.Ne3 Rc8 44.Kd3 Rb8 45.Nc4 Rb3 46.Ke2 Rc3 47.Nd2 Ra3 48.e5 g4 49.fg4 Rh3 50.Nc4 a3 51.Na3 Ra3 52.ed6 Kd6 53.Kf2 Kd5 54.Ke2 g5 55.Kf2 Kd4 56.Kg2 Ra2 57.Kh3 Ke3 58.Kg3 Rd2 59.Kh3 Kf2 60.Kh2 Rd3 61.Kh1 Rh3 0–1. COMP – COMP, 2002.

9.Bf6 Qf6 10.Nc3 Ne7 11.Nb5 c5 12.d4 c4 13.Nd6 Qd6 14.Ne5 Nc6 15.Nc6 Qc6 16.Bf3 b5 17.Qd2 Bf5 18.0–0 a5 19.Rfb1 Reb8 20.Qc1 Qd6 21.Rb2 b4 22.ab4 ab4 23.Bh5 Be4 24.Rba2 Ra2 25.Ra2 Qb6 26.Qa1 h6 27.h3 b3 28.cb3 Qb3 29.Ra8 g6 30.Bd1 Qb7 31.Rb8 Qb8 32.Ba4 Qb4 33.f3 Bd3 34.Qd1 Qb2 35.h4 Kf8 36.h5 Be2 37.Qe1 c3 38.hg6 fg6 39.Kh2 Bd3 40.Qg3 Qb6 41.Qe5 Qd8 42.Qh8 Ke7 43.Qh6 Qd6 44.Kh3 c2 45.Qg7 Kd8 46.Bc2 Bc2 47.Qe5 Qe5 48.de5 Ke7 49.Kg4 Ke6 50.f4 Be4 51.g3 Bf5 52.Kg5 Be4 53.Kh6 Bf5 54.Kg7 ½–½. marekt – Hemmo, ChessWorld.net, 2003.

8.c3 Bd6

9.0–0 Qe7 10.d3 =+.

9.0–0 Qe7 10.d4 Bf5 11.Nbd2 Ne4 12.c4 Nd2 13.Qd2 dc4 14.Bc4 Rad8 15.a3 Be4 16.Qe2 Qf6 17.h3 Qg6 18.Ba2? Bd3–+ 19.Qd2 Bf1 20.Kf1 Ne7 21.Bb1 Qh5 22.e4 c5 23.dc5 Qc5 24.e5?? Be5!!–+ 25.Qg5 Qc4 26.Kg1 Rd1 (26...Rd1 27.Ne1 Re1#) 0–1. Mesri,A – Zomer,J, Houten OKU, 1993.

9.0–0 Bf5 10.d3 Ne5 11.d4 Nc4–/+ 12.Bc4 dc4 13.Nbd2 Bd3 14.Re1 c6 15.Nf1 a5 16.a4 b5 17.Qd2 b4 18.cb4 ab4 19.Rec1 Ne4 20.Qe1 c3 21.Bc3 Nc3 (21...Nc3 22.Rc3 bc3 23.Qc3 Be4–+) 0–1. Zaichenko,Andrey (1800) – Livenais,Jean_Rene (1760), FICGS, 2007.

9.0–0 Bg4 10.d4 Ne4 11.Nbd2 Ng5 (11...Qf6!?–/+) 12.Ne5 Be2 13.Qe2 Qf6 14.Nc6 bc6 15.c4 dc4 (15...Qh6 16.f4=+) 16.g3 c5 17.Nc4 cd4 18.Bd4?? (Better is 18.Nd6 cd6 19.Rfd1–/+) 18...Qd4! 19.ed4? Re2 20.Nd6 cd6 21.d5 Rae8 22.a4 Nf3 23.Kg2 Nd2 24.Rfd1 Ne4 25.Rf1 a5 26.Rab1 Nd2 27.Rbe1 Nf1 28.Re2 Re2 29.Kf1 Re4 30.f3 Ra4 31.Ke2 Rd4 32.Ke3 Rd5 (33.f4 a4–+) 0–1. stoker – steppenwolf, Live Game Caissa's Web, 2004.

7.Nf3 Bf5

8.0–0 Rb8 9.a3 Bd6 10.c4 dc4=+ 11.Bc4 b5 12.Be2 Re8 13.d4 a5 14.Nc3= b4 15.ab4 Bb4 16.Qc1 Bg4 17.Qc2 Bd6 18.h3 Be6 19.Rfc1 Bd7 20.Bc4 Nb4= 21.Qb1 c6 22.e4 Bf4 23.Rd1 Be6 24.Be6 Re6 25.Ra3 Nh5 26.e5 Bh6 27.Bc1 Nd5 28.Rb3 Rb3= 29.Qb3 Bc1 30.Nd5+= cd5 31.Rc1 Nf4 32.Rc5 Ra6 33.Qb7 Ra8 34.g3 Ne6 35.Rd5 Qe8 36.Rb5 a4 37.d5 Nc7 38.Rb1 Na6 39.d6 Rb8 40.Qe4+– Rb1 41.Qb1 h6 42.Qb6 Nb8 43.Qa5 g5 44.e6 Qe6 45.Qd8 Kg7 46.Qb8 a3 47.Kg2 Qd5 48.Qc7 a2 49.Qa7 Qd6 50.Qa2 Qc6 51.Qa1 f6 52.g4 Qe4 53.Qd1 Kg6 54.Kg1 Kh7 55.Nd4 Qe8 56.Qd3 Kh8 57.Nf5 Kh7 58.Nd6 Qg6 59.Qg6 Kg6 60.Kg2 Kg7 61.Nf5 Kg6 62.Kf3 Kh7 63.Ke4 Kg6 64.Kd5 Kf7 65.Nh6 Ke7 66.Nf5 (66.Nf5 Kf7 67.Kd6+–; 66.Ng8 Kf7 67.Nf6 Kf6+–) 1–0. lasker (2235) – antukas (2135), internet, 2007.

8.0–0 Be6 9.a3 Bd6 10.d3 Re8 11.Nbd2 Rb8 12.c4 a6 13.Qc2 =.

8.0–0 Re8 (--> 7.Nf3 Re8 8.0–0 Bf5).

8.a3 Ba5 9.0–0 Qd6 10.Nc3 Ne4 11.Nb5 Qd7 12.d3 Nc5 13.Nbd4 Na4 14.Nf5 Nb2 15.Qc1 Na4 16.Ng3 Ne7 17.c4 c5 18.Rb1 Nc3 19.Rb3 Ne2 20.Ne2 b6 21.cd5 Qd5 22.Qc2 Rfd8 23.Nf4 Qf5 24.Rd1 Rd6 25.h3 Rad8 26.Qc4 Nc6 27.d4 Nd4 28.ed4 Qf4 29.Rbd3 h6 30.g3 Qf5 31.Ne5 Rd4 32.Rd4 cd4 33.Nc6 Re8 34.Nd4 Qd7 35.Rc1 Qh3 36.Qb5 Rc8 37.Nc6 Kh8 38.Qb2 Qd7 39.Ne5 Rc1 40.Qc1 Qf5 41.Nc6 a6 42.Qe3 Qd7 43.Qf3 Qe6 44.Nd8 Qe7 45.Nc6 Qe1 46.Kg2 Qe6 47.Nb8 Qc8 48.Nc6 Qb7 49.Ne5 Qf3 50.Kf3 Bc3 51.Nf7 Kh7 52.Nd8 b5 53.Ne6 Be5 54.Ke4 Bd6 55.f4 Kg6 56.g4 Ba3 0–1. Badkarma – lonewolf, playchess.de, 2002.

8.Nc3 Re8 9.a3 Bc3 (9...Be7 10.0–0+=) 10.Bc3= Ne4 11.Bb2 Nc5 12.d4 Ne4 13.0–0 Re6 14.Bd3 Nc3?? (better is 14...Bg4=) 15.Bc3+– Bg4 (15...Qf6 16.Rb1 Bd3 17.cd3+–) 16.Be2 Rh6 17.h3 Bc8 18.Bd2 Qd6 19.e4! de4 20.Ne5 Rf6 21.Nc6 bc6 22.Bb4 Qd5 23.c4 Qe6 24.Bg4 Qg4?? 25.hg4 Be6 26.Be7 Rg6 27.Qb3 Bg4 28.Rab1 Bc8 29.f4 h5 30.f5 Rg4 31.f6 a5 32.c5 Ba6 33.Rfe1 gf6 34.Bf6 Bb5 35.Qh3 (35.Qh3 Rg6 36.Be5+–) 1–0. Rush,Bradley – Obrien,Glenn, 54. LSS No Engine Cup Preliminary, 2011.

8.c4 Qd6 9.0–0 (9.a3 Ba5+=) 9...Rae8 (9...dc4 10.Bc4 Be6 11.Qc2=) 10.Nc3 (10.a3 Ba5+=) 10...dc4+= 11.Bc4 Qc5 (11...a6 12.d4+=) 12.Bb3 (12.Be2 Nd5=) 12...Bd3 13.Re1 Ba3 (13...Qf5 14.Rc1+=) 14.Ba3 Qa3 15.Ba4 Qc5 (15...Qd6 16.Bb5+=) 16.Rc1= Qb6 (16...Qd6 17.Nd4=) 17.Nd4 Qa6 (17...Nd4 18.Be8 Re8 19.ed4 Qd4 20.Qb3+=) 18.Bc6+/– bc6 19.Qa4 c5 20.Qa6 Ba6 21.Nc6 (21.Ndb5 Bb5 22.Nb5 Re5+/–) 21...Re6+= 22.Na7 Rd8 23.Na4 Ra8 (23...c4 24.Nc5 Rb6 25.a4+=) 24.Nc5+/– Ra7 25.Ne6 fe6 26.a4 (26.d4 Bd3+/–) 26...Bd3 27.Ra1 (27.Rc3!? Bg6 28.Ra3+/–) 27...c5+= 28.a5 Ra6 29.Ra2 (29.Rec1 c4 30.f3 Nd7=) 29...Nd5 (29...Kf7 30.Rea1=) 30.Rea1 (30.Rc1 c4=) 30...Nb4= 31.Rb2 e5 (31...Nc6 32.Rb3 c4 33.Rb5+=) 32.h4 e4 33.g3 Kf7+= 34.Kg2 Be2 35.Kh2 Ke6 36.Kg1 Kd5–/+ 37.Ra3 Ra7 38.Rb1 Nc6–/+ Attacks the isolani on a5 39.Re1 Bg4 40.Rea1 Ne5 41.R3a2 Be2 42.Kg2 Ba6 43.Ra4 Rf7–/+ 44.R4a3 Ng4–+ 45.Kg1 Rf2 46.R3a2 Re2 47.Rf1 Ne3! 48.Rf7 Re1 49.Kh2 Ng4 50.Kg2 Re2 51.Kg1 e3 52.Rg7 Ne5 53.Rg5 ed2 (53...ed2 54.Rd2 Rd2–+) 0–1. Bonetti,Shane – redshift (2510), ICC, 2002.

8.Nd4 Nd4 9.Bd4 c5 10.Bb2 Qb6 11.0–0 Ba5 12.Ba3 Rfd8 13.c3 Qc6 14.Bb2 Bc7–/+ 15.d3 Qd6 16.g3 Qe6 17.Nd2 b6 18.Re1 h6 19.Nf1 Rab8 20.Qc2 b5 21.a3 c4 22.Nd2 Ng4 23.Nf3 Ne3! 24.Qd2 Ng4 25.Nd4 Qd7 26.Nf5 Qf5 27.Bg4 Qg4 28.d4 Re8–+ 29.Re8 Re8 30.Re1 Re4 31.Bc1 Qe6 32.Re3 Re3 33.Qe3 Qe3 34.fe3 f5 35.Kf2 Kf7 36.Kf3 Kf6 37.Ke2 Bd6 38.Kf3 a5 39.Ke2 h5 40.Kf2 h4 41.gh4 Bh2 42.h5 Bd6 43.Kf3 b4 44.cb4 ab4 45.ab4 Bb4 46.Ke2 Bc3 47.Ba3 Kg5 48.Bf8 Kh6 49.Kd1 f4 50.Ke2 Kh5 51.ef4 Bd4 52.Ba3 Kg4 53.Bd6 g6 54.Bc7 Bg7 55.Bd6 d4 56.Kd1 Kf5 57.Ke2 Ke4 58.Kd1 Kf5 (58...Kf5 59.Ke2 Bh6–+; better is 58...d3–+) 0–1. Dissels,H – van Wieringen,C, corr Netherlands, 1993.

8.0–0 a6

9.a3 Bc5 10.d4 Bd6 11.c4 dc4 12.Bc4 Re8 13.Nc3 =+.

9.a3 Bd6 10.d3 Qe7 11.Nbd2 b5 12.c4 dc4 13.dc4 Rfb8 14.Rc1 Nd8 15.Nd4 Bg6 16.cb5 c5 17.Nc6 Nc6 18.Bf6 Qf6 19.bc6 Bc7 20.Nb3 (20.Rc5?? Qd6 21.Nf3 Qc5–+) 20...Rd8 21.Qe1 Be4 22.g3 Bc6 23.Nc5 Attacking the isolated pawn on a6 23...Bd6 24.Qc3 Be5 25.Qa5 Increasing the pressure on the isolated pawn on a6 25...Qe7 26.Nd3 Rd5 27.Qb6 Bb5 28.Bf3 (28.Ne5 Be2 29.Nc6 Qe8+= (29...Qa3? 30.Qb7 Rdd8 31.Nd8 Rd8 32.Rc8 Rc8 33.Qc8 Qf8 34.Rc1+–)) 28...Rb8 29.Qb8! Bb8 30.Bd5 g5 31.Rfd1 Bd6 32.Nb4! Bb4 33.ab4 Qb4 34.Rc7 Be8 35.Rd4 Qb1 36.Kg2 Qb8 37.Re7 Qc8 38.Rde4 Bc6 39.f3 Kh8 40.Bc6 Qc6 41.Rf7 Qc2 42.Kh3 Qc8 43.g4 Kg8 44.Ra7 Qc6 45.Kg3 Kf8 46.Rd4 Ke8 47.Rad7! a5 48.R7d5 h6 49.Re4 Kf8 50.Rf5 Kg8 51.h4 Qd6 52.f4 gh4 53.Kh4 Qd1 54.Rd4 Qh1 55.Kg3 Qg1 56.Kf3 Qf1 57.Ke4 Qb1 58.Ke5 a4 59.Rd8 Kg7 60.Rd7 Kg8 61.Rf6 Qb2+/– 62.Ke6 Qb3 63.Ke7 Qe3 ½–½. Yarmolyuk,Yury (2130) – Borisovs,Leonids (2200), RH–2007–0–00079, 2007.

9.a4 Bd6 10.Nc3 Re8 11.Rb1 Qe7 12.Kh1 Nb4 13.d3 =+.

9.Nc3 Bd6 10.Re1 Re8 11.Rb1 b5 12.Nh4 Bd7 13.Nf3 =+.

9.c4 dc4 10.Bc4 b5 11.Bb3 Bd3 12.a3? (better is 12.Re1!?+=) 12...Bf1–+ 13.Kf1 Be7 14.Nc3 Na5 15.Ba2 Qd3 16.Qe2 Qe2 17.Ke2 c5 18.Nd5 Nd5 19.Bd5 Rad8 20.e4 Rfe8 21.Ne5? (better is 21.Kd1–/+) 21...Rd5!–+ 22.d3 (22.ed5 Bd6 Combination) 22...Rdd8 23.Bc3 Nb3 24.Rb1 Nd4 25.Bd4 Rd4 26.Nc6 Ra4 27.Ne7 Re7 28.Rb3 c4 29.dc4 Re4 30.Kd3 Rac4 31.f3 Red4 32.Ke3 Kf8 33.g4 Rd1 34.h4 Ra1 35.Rd3 Ra4 36.Rd8 Ke7 37.Rh8 R1a3 38.Kf2 Rf4 39.Rh7 Rff3 40.Ke2 Rh3 (40...Rh3 41.Kf2 Ra2 42.Kg1 Rd3 43.Rg7 Rd1#) 0–1. Neumann,Frank (1650) – Mickley,Manfred (2400), RSX16D – Goldener Oktober–1, 2007.

9.d3 Ra7 10.a3 Bc5 11.Nbd2 Re8 12.Nb3 Bd6 13.Ra2 =.

9.d3 b6 10.Nbd2 Re8 11.Rc1 Bc5 12.Nb3 Bd6 13.c4 =.

9.d3 Rb8 10.Nbd2 Qe7 11.c4 Be6 12.a3 Bd2 13.Nd2 =.

9.d3 Bc5 10.Nbd2 Re8 11.Rb1 b6 12.c4 dc4 13.Nc4 =.

9.d3 Bd6 10.Nbd2+= b5 11.Nb3 +=.

9.d3 Bd6 10.Nbd2+= Re8 11.c4= Be6 12.cd5 Nd5 (12...Bd5? 13.e4+–) 13.Ne4 h6 14.Qc2 Bf5 15.Rab1 Bf8 (15...Rc8 16.Qc4=) 16.a3 Rb8 17.Rfc1 Be7 18.Ng3 Bh7 19.Nd2 Bd6 20.Nde4 Be5 21.Nc5 Bb2 (21...b5 22.Na6 Rb6 23.Nc5+/–) 22.Rb2+/– Qc8 (22...b5 23.Na6 Rb6 24.Nc5+/–) 23.Rb7! Rb7 24.Nb7 Nd4 25.ed4 Qb7 26.Bf3 Qb5 27.h3 Rd8 (27...Bd3? 28.a4 Nb4 29.ab5 Bc2 30.ba6+–) 28.Be4 Qb6 29.Qc4 Qb2 30.Kh2 Be4+= 31.de4 Nb6 Looking at d4 32.Qc3 Qc3 33.Rc3 Rd4 34.Rc7 Ra4 35.f4 g6 36.f5 Nc4 37.Rc6 Ne5 38.Rc5 Nd3 39.Rc3 Ne5 40.f6 Nc4 Attacks the isolani on a3 41.h4 Na3? 42.Rc8+– Kh7 43.Rf8 Nc4 44.Rf7 Kg8 45.Rg7 Kf8 46.h5 gh5 47.Nh5 Nd6 48.e5 Rh4 49.Kg1 Ne8 50.e6 Ng7 51.fg7 (51.fg7 Kg8 52.Nf6 Kg7 53.e7+–) 1–0. Walker,John T (1940) – Andrasiu,Ana Maria, Romania – BCCA, 2007.

9.d3 Bd6 10.Nbd2 Re8 11.c4 Be6 12.Ng5 Bd7 13.Rb1 =.

9.d3 Be6 10.Nbd2 Re8 11.Rb1 Qe7 12.Qc1 b6 13.c4 =.

9.d3 Re8 10.Nbd2 Bd6 11.c4 dc4 12.Nc4 Be7 13.Rb1 =.

9.d3 Re8 10.Nbd2 Nd7 11.d4 (11.a3 Bd6=) 11...Bg4 (11...Nf6 12.a3 Be7 13.c4=) 12.c3 (12.a3 Be7=) 12...Bd6 13.c4 dc4 14.Nc4 Nf6 15.Nd6 Qd6 16.Rc1 Rad8 17.a3 Ne7 18.Ne5 Be2 19.Qe2 c6 20.e4 Nd7 21.Nc4 Qf4 22.f3 Nf8 23.Rfd1 Nfg6 24.Qd2 c5 25.d5 Qd2 26.Rd2 b5+= 27.Na5 c4 28.Nb7 Rd7 29.Nc5 Rd6 30.Bc3 Rc8 31.Bb4 Kh8 32.Kf2 Ng8 33.Ke3+/– Ne5 34.f4 Ng4 35.Kd4 Nh2 36.e5 Rh6 37.d6 Ra8 38.d7 Ne7 39.Nb7 Nc6 40.Kc5 Ng4 41.Re1 Kg8 42.e6! Nd8 43.e7 1–0. Mehlhorn,U – Block,W, BFO–070, 2000.

9.d3 Re8 10.Nbd2 Qe7 11.a3 Bc5 12.Ra2 =+.

9.d3 Bg4 10.Nc3 Re8 11.Re1 Qe7 12.h3 Be6 13.a3 =+.

9.d4 Qe7 10.c4 dc4 11.Bc4 Rad8 12.Nc3 Rfe8 13.Rc1 h6 14.h3 Bg6 15.Nh4 Bh7 16.Nf3 Na5 17.Bd3 Bd3 18.Qd3 b5 19.Nd2 c5 20.Qc2 cd4–/+ 21.ed4 Rd4 22.Nf3 Rdd8 23.a3 Ba3–+ 24.Ba3 Qa3 25.Rfe1? Re1 26.Re1 Qb3 27.Rc1 Qc2 28.Rc2 Nc4 (28...Nc4 29.Rc1 Nd2–+) 0–1. gobo – hpoli, ChessWorld.net, 2005.

9.Nd4 Nd4 10.Bd4 c5 11.Bb2 b5 12.a4 Ne4 13.ab5 ab5 14.c3 (worse is 14.Bb5 Ra1 15.Ba1 Qa5=) 14...Ra1 15.Ba1 Ba5 16.Bb5 c4 17.Qa4 (17.d3 cd3 18.Bd3 Bc7=) 17...Qc7 18.f3 Nc5 19.Qd1 Rb8 20.Na3 Nd3 21.Qa4 Nc5 22.Qd1 Bd3 23.Re1 Qd6 24.Bb2 Bc7 25.g3 h5 26.f4 Bg6 27.Rf1 Nd3 28.Bc1 Qc5 29.Qa4 Bf5 30.Bc4 dc4 31.Qc4 Qc4 32.Nc4 Bh3 (better is 32...Be6 33.Ne5 Be5 34.fe5–+) 33.Rd1? (better is 33.Ba3–+) 33...Bg4 (better is 33...Be6!? 34.Ne5 Be5 35.fe5–+) 34.Rf1 Be2 (34...Be2 35.Ba3 Bf1 36.Kf1 f5–+) 0–1. Roegiers,Ludo – Stadler,Pavel, SF–2010–0–00051, 2010.

9.Re1 Qe7 10.Nc3 Bd6 11.d3 Rfe8 12.a3 b5 13.Nd5 =+.

9.Nh4 Be6 10.a3 Bc5 11.Nf3 d4 12.Ng5 Bf5 13.Bf3 =+.

9.d3 Qe7

10.a3 Bd6 11.Nbd2 b5 12.c4 dc4 13.dc4 Rab8 14.Qc1 bc4 15.Nc4 Ne4 16.Bd3 (16.Nd6 cd6 17.Qc6 Rb2 18.Ba6 Nc5+=) 16...Rfd8 (16...Ng3 17.e4 Ne4 18.Qc2=) 17.Qc2 Bg6 18.Rfd1 Nc5 19.Bg6 hg6 20.Nd6 cd6 21.Bd4 Qe4 22.Ra2 Ne5 23.Ng5 Qd5 24.f4 Ned3 25.Qe2 Rb3 26.Rad2 f6 27.Nf3 Ra3 28.Rd3 Nd3 29.Rd3 Qb5 30.Rd2 Qe2 31.Re2 Rc8 32.Kf2 a5 33.Nh4 Kf7 34.Rb2 Rc7 35.Kf3 a4 36.Rb6 Rd7 37.f5 gf5 38.Nf5 Attacks the isolani on d6 38...d5 39.h4 Kg6 40.g4 Ra2 41.h5 Kh7 42.Ng7 (42.Ng7 Rg7 43.Bf6+/–) 1–0. Mueller,Detlef (2000) – Vadljan,Marcus Franz (2095), BdF OS–080 remoteschach.de, 2008.

10.c3 Bd6 11.Qb3 Ne5 12.c4 dc4 13.dc4 =+.

10.Nbd2 Rad8 A) 11.Rb1 A1) 11...b6 12.c4 (12.c3 Bd6 13.Qa4 Ne5 14.Ne5 Qe5 15.Nf3 Qe6 16.Nd4 Qd7 17.Qd7=; 12.a3 Ba3 13.Ba3 Qa3 14.Ra1 Qc3 15.Ra6 Nb4 16.Ra1 Qc2 17.Qc2+=) 12...dc4 13.Nc4 b5 14.Nce5 Ne5 15.Ne5 Qd6 16.Nf3 Nd7 17.Nd4=; A2) 11...b5 12.Nh4 (12.a3 Ba3 13.Ba3 Qa3 14.Ra1 Qc3 15.Ra6 Nb4 16.Ra1 c5 17.Rc1+=; 12.Nb3 Bd6 13.Qd2 Rfe8 14.Na5 Na5 15.Qa5 Bc8 16.c4 c6 17.Bf6=; 12.Re1 Rfe8 13.Qc1 Bd6 14.Bc3 b4 15.Bb2 Ng4 16.Nb3 a5 17.c4+=) 12...Be6 13.Nhf3 Rfe8 14.Ng5 Bf5 15.Re1 d4 16.Bf3 Nd5 17.Bd5=; B) 11.c3 B1) 11...Bc5 12.d4 (12.Rb1 Rfe8 13.c4 dc4 14.Nc4 b5 15.Nce5 Ne5 16.Be5 Rd5 17.Bb2+=; 12.c4 dc4 13.Nc4 b5 14.Nce5 Ne5 15.Ne5 Qe6 16.Qc2 Bd6 17.Nc6=) 12...Bd6 13.c4 dc4 14.Nc4 Be6 15.Nd6 Qd6 16.a4 Nb4 17.Ba3=; B2) 11...Bd6 12.c4 (12.Qb3 Ne5 13.Ne5 Qe5 14.Nf3 Qe7 15.Rad1 Rfe8 16.a4 c5 17.a5+=) 12...Be6 13.Qb1 dc4 14.Nc4 Bc4 15.dc4 Ne4 16.Rd1 Rfe8 17.Bd3=; C) 11.h3 C1) 11...Rfe8 12.Re1 (12.a3 Bc5 13.Qb1 b5 14.a4 d4 15.ed4 Nd4 16.Nd4 Bd4 17.Re1+=; 12.Nb3 Bd6 13.Rb1 b6 14.Qd2 Bd7 15.Rfd1 a5 16.Nbd4 Nd4 17.Bd4+=; 12.Nh4 Be6 13.Nhf3 Bd6 14.Qb1 b6 15.d4 a5 16.Bb5 Bd7 17.c4=) 12...Bd6 13.Qb1 b6 14.c4 Ne5 15.Ne5 Be5 16.Be5 Qe5 17.d4=; C2) 11...Bd6 12.c4 Be6 13.Qb3 b6 14.Qa4 Nb8 15.cd5 Bd5 16.Qh4 Nbd7 17.Rfe1=; C3) 11...Rde8 12.Rb1 (12.Rc1 Ba3 13.Rb1 b5 14.Re1 Bb2 15.Rb2 Ne5 16.Nb3 Nf3 17.Bf3+=; 12.Nb3 Bd6 13.Rb1 b6 14.Re1 a5 15.Nbd4 Nd4 16.Bd4 Nd7 17.Bb2=; 12.a3 Bd6 13.c4 Be6 14.Qb3 Na5 15.Qa4 b6 16.cd5 Nd5 17.Ne4=) 12...b5 13.Nb3 Bd7 14.c4 dc4 15.dc4 Bf5 16.cb5 Rd8 17.bc6=; C4) 11...Be6 12.Ne5 (12.Rb1 b6 13.d4 b5 14.c3 Bd6 15.Bd3 Rfe8 16.a4 Rb8 17.ab5=; 12.Re1 Rfe8 13.Rb1 b6 14.Ng5 Bd7 15.Bh5 Rf8 16.Be2 Bd6 17.c4+=; 12.Rc1 Rfe8 13.Rb1 b6 14.Ne5 Ne5 15.Be5 Bd6 16.Bd6 Qd6 17.d4+=) 12...Ne5 13.Be5 Bd6 14.Bd6 Qd6 15.d4 Ne4 16.Bd3 f5 17.Qe1=; D) 11.a3 Bc5 (11...Bd6 12.c4 Be6 13.cd5 Nd5 14.Ne4 Nb6 15.Nd6 Qd6 16.Qc2 Rfe8 17.Rfc1=) 12.d4 Bd6 13.c4 dc4 14.Nc4 Be4 15.Nd6 Qd6 16.h3 Rfe8 17.Rc1=.

10.Nbd2 Rae8 A) 11.Rc1 A1) 11...Ba3 12.Ba3 (12.Rb1 b5 13.Ba3 Qa3 14.Nb3 Bg4 15.Qc1 Qe7 16.c4 Ne5 17.Nbd2=) 12...Qa3 13.Ra1 Nb4 14.Nb3 Bg4 15.Nfd4 Bd7 16.Qc1 Qc1 17.Rfc1=; A2) 11...Bc5 12.Rb1 (12.Re1 Ba3 13.Rb1 b5 14.Qc1 Bd6 15.a4 ba4 16.Ra1 Nb4 17.Ra4+=; 12.c4 dc4 13.Nc4 Be6 14.Qc2 Nb4 15.Qd2 b5 16.a3 Nbd5 17.Na5=; 12.Nb3 Bd6 13.Rb1 b6 14.Qd2 b5 15.Rfd1 Ng4 16.Qc3 Nce5 17.Nbd4+=) 12...b5 13.Nb3 Bd6 14.Qd2 Be6 15.Na5 Nd8 16.c4 dc4 17.dc4=; B) 11.Rb1 b5 12.Nb3 (12.Qc1 Bd6 13.Bc3 Ne5 14.Qb2 Ned7 15.Rfe1 c5 16.e4 de4 17.de4=; 12.Re1 Bd6 13.Nb3 Be6 14.Qd2 Ng4 15.Red1 Nce5 16.Ne5 Ne5 17.Nd4+=; 12.Ra1 Bd6 13.a4 b4 14.Rb1 Ng4 15.Re1 a5 16.Nb3 Qe6 17.c3=) 12...Bd6 13.Qd2 Be6 14.Na5 Nd8 15.c4 dc4 16.dc4 Bf5 17.cb5=; C) 11.Re1 C1) 11...Bd6 12.Qb1 (12.Nb3 b6 13.Rb1 Bb4 14.Nbd2 Be6 15.Ng5 Bd7 16.Ngf3 Ba3 17.Qc1=; 12.a3 b5 13.c4 dc4 14.dc4 Rb8 15.cb5 ab5 16.Rc1 Rb6 17.a4=; 12.a4 Nb4 13.Rb1 b6 14.e4 de4 15.de4 Be4 16.Ne4 Ne4 17.Bd3+=) 12...b6 13.c4 Ne5 14.Ne5 Be5 15.Be5 Qe5 16.d4 Qe6 17.Qb3=; C2) 11...Be6 12.Rb1 (12.Qb1 b6 13.a3 Bd6 14.c4 dc4 15.Nc4 Bc4 16.dc4 Ne4 17.Qc2=; 12.Ng5 Bd7 13.Rb1 b5 14.c4 bc4 15.dc4 Bf5 16.Rc1 Ne4 17.Nge4=; 12.Qc1 Bd6 13.Qb1 b5 14.a4 b4 15.a5 Rd8 16.c4 bc3 17.Bc3=) 12...b6 13.c3 Bd6 14.Qa4 Na5 15.e4 Bd7 16.Qc2 Qe6 17.e5+=; C3) 11...Bg4 12.Rb1 (12.a3 Bd6 13.c4 Bf3 14.Bf3 Ne5 15.Qe2 Qe6 16.cd5 Nd5 17.Ne4=; 12.Rc1 Ba3 13.Rb1 b6 14.Qc1 Bb2 15.Qb2 b5 16.c3 Ne5 17.Ne5=; 12.h3 Be6 13.Qb1 b6 14.a3 Bd6 15.c4 dc4 16.Nc4 Bc4 17.dc4=) 12...b5 13.c3 Bd6 14.c4 dc4 15.dc4 b4 16.Qc2 Nd7 17.Bd3=; D) 11.a3 D1) 11...Bd6 12.c4 (12.Re1 b5 13.c4 dc4 14.dc4 Rb8 15.cb5 ab5 16.Rc1 Rb6 17.a4=) 12...Be6 13.Qb3 Na5 14.Qc3 b6 15.cd5 Bd5 16.Ne4 Be4 17.de4+=; D2) 11...Bc5 12.Re1 (12.c4 dc4 13.Nc4 b5 14.d4 Ba7 15.Nce5 Ne5 16.Ne5 Qd6 17.Bf3= 12...Ng4 13.d4 Bd6 14.c4 dc4 15.Bc4 Na5 16.Bf1 c6 17.h3=.

10.Nbd2 Rfe8 A) 11.Rb1 A1) 11...b5 12.Qc1 (12.Nb3 Bd6 13.Qd2 Rad8 14.Na5 Na5 15.Qa5 Bc8 16.c4 c6 17.Bf6=; 12.h3 Bd6 13.Nb3 Rad8 14.Re1 Bb4 15.Rf1 Bd7 16.Nbd2 Bd6 17.Re1+=; 12.Re1 Bd6 13.e4 de4 14.de4 Be4 15.Bd3 Bf3 16.Nf3 Qd7 17.Bf6=) 12...Bd6 13.Bc3 Ng4 14.Re1 Be6 15.h3 b4 16.Bg7 Kg7 17.hg4=; A2) 11...b6 12.c4 (12.Re1 Rad8 13.c3 Bd6 14.Qa4 Na5 15.c4 Be6 16.cd5 Nd5 17.Ne4=; 12.c3 Bd6 13.c4 Nb4 14.Qb3 Be6 15.a3 dc4 16.Nc4 Nbd5 17.Nd4=; 12.h3 Rad8 13.c3 Bd6 14.Qa4 Ne5 15.Ne5 Qe5 16.Nf3 Qe6 17.Nd4+=) 12...dc4 13.Nc4 b5 14.Nce5 Ne5 15.Ne5 Bd6 16.Bf3 Be5 17.Ba8=; A3) 11...Rab8 12.Re1 (12.c4 dc4 13.Nc4 b5 14.Nce5 Ne5 15.Ne5 Qd6 16.Bf3 Rb6 17.e4=; 12.c3 Bc5 13.Re1 b5 14.Nb3 Bd6 15.Qc2 Ne5 16.Nbd4 Nf3 17.Bf3+=; 12.Nb3 Bd6 13.Qd2 b5 14.Rfd1 Be6 15.Ng5 Ng4 16.Nf3 Nce5 17.Ne5+=) 12...Bd6 13.c4 dc4 14.Nc4 Bb4 15.Rf1 b5 16.Nce5 Ne5 17.Ne5=; B) 11.Re1 B1) 11...Rad8 12.a3 (12.h3 Bd6 13.Qb1 b6 14.c4 Ne5 15.Ne5 Be5 16.Be5 Qe5 17.d4=; 12.Rb1 b6 13.c3 Bd6 14.Qa4 Na5 15.c4 Be6 16.cd5 Nd5 17.Ne4=; 12.Rc1 Bd6 13.c4 dc4 14.Nc4 Bb4 15.Rf1 Be6 16.Qc2 Bd5 17.e4=) 12...Bd6 13.c4 Be6 14.Ng5 dc4 15.Ne6 Qe6 16.Nc4 Be7 17.Qb3=; B2) 11...Rab8 12.a3 Bd6 13.c4 Be6 14.cd5 Nd5 15.Ne4 Rbc8 16.Nd6 cd6 17.Qd2=; B3) 11...Bd6 12.a3 (12.Rb1 b5 13.e4 de4 14.de4 Be4 15.Bd3 Bf3 16.Nf3 Qd7 17.Bf6=; 12.Nb3 Rad8 13.Rb1 Bg4 14.Nbd4 Nd4 15.Bd4 b5 16.a4 ba4 17.Rb7+=; 12.Rc1 Rad8 13.c4 dc4 14.Nc4 Bb4 15.Rf1 Be6 16.Qc2 Bd5 17.e4=) 12...b5 13.c4 dc4 14.dc4 Rab8 15.Qc1 Bd7 16.Rd1 Ng4 17.cb5=; B4) 11...b5 12.a4 Bg4 13.c3 Bd6 14.e4 de4 15.de4 b4 16.cb4 Bb4 17.e5=; C) 11.Rc1 C1) 11...Rad8 12.c3 (12.Nb3 Bd6 13.Rb1 b6 14.Re1 Bg4 15.Nfd4 Bd7 16.Nc6 Bc6 17.Qd2+=; 12.Re1 b5 13.a3 Ba3 14.Ba3 Qa3 15.Ra1 Qc3 16.Qc1 Ra8 17.Ra3–/+) 12...Bc5 13.Re1 Bd6 14.c4 dc4 15.Nc4 Bb4 16.Rf1 Qe6 17.Qc2=; C2) 11...Be6 12.c4 (12.Rb1 b6 13.Ng5 Bf5 14.Re1 Rad8 15.Ngf3 Bd6 16.c4 dc4 17.Nc4+=; 12.Re1 Rad8 13.Rb1 b6 14.Ng5 Bd7 15.Bh5 Nh5 16.Qh5 Bf5 17.Ngf3+=; 12.c3 Bd6 13.c4 Rad8 14.Bf6 Qf6 15.c5 Be7 16.d4 Rb8 17.Qc2=) 12...dc4 13.Nc4 Bd5 14.e4 Be6 15.Ng5 Rad8 16.Ne6 fe6 17.Qb3=; C3) 11...Rab8 12.Rb1 (12.a4 Rbd8 13.Re1 Be6 14.Rb1 b6 15.Ne5 Ne5 16.Be5 a5 17.Bf3+=; 12.c3 Bc5 13.Re1 b5 14.Nb3 Bd6 15.c4 dc4 16.dc4 Red8 17.Nfd4+=; 12.Re1 Bd6 13.c4 dc4 14.Nc4 Bb4 15.Nfd2 b5 16.Bf3 Nd8 17.Ne5=) 12...Bd6 13.c4 Be6 14.Ng5 dc4 15.Nc4 Bc4 16.dc4 Nd7 17.Nf3=; C4) 11...Ba3 12.Ba3 (12.Rb1 b5 13.Re1 Rad8 14.Qc1 Bd6 15.Bc3 Nd7 16.Qb2 Qf8 17.Qa1+=) 12...Qa3 13.Ra1 Ne7 14.Qc1 Qd6 15.c4 b5 16.c5 Qd7 17.Rb1=; D) 11.a3 Bc5 (11...Bd6 12.c4 Be6 13.cd5 Nd5 14.Ne4 Rac8 15.Nfg5 Ne5 16.Ne6 Qe6 17.Qa4=) 12.Rb1 (12.Nb3 Bd6 13.Qd2 Rad8 14.Rfb1 Be6 15.Ng5 Bd7 16.Nf3 Bg4 17.h3+=; 12.Ra2 Rad8 13.Nb3 Bd6 14.Qa1 Nh5 15.Nfd4 Nd4 16.Nd4 Bg6 17.Bh5=; 12.Re1 Rad8 13.Qb1 Ng4 14.Bf1 Rb8 15.Ra2 f6 16.h3 Nh6 17.e4=) 12...b5 13.Ra1 Bd6 14.c4 dc4 15.dc4 Rab8 16.Qc1 Ne5 17.Ne5=.

10.Nbd2 b5

11.a4 A) 11...Rfb8 12.e4 (12.Nb3 Bd6 13.ab5 ab5 14.Qd2 Bg4 15.Rfb1 b4 16.Ra8 Ra8 17.c3=; 12.ab5 Rb5 13.c4 dc4 14.Nc4 a5 15.Qc2 Be6 16.Nce5 Ne5 17.Ne5=; 12.Re1 ba4 13.Ra4 Bg4 14.c3 Bd6 15.Qa1 Bd7 16.d4 Rb6 17.Bd3=) 12...Be6 13.e5 Ng4 14.c3 Ba5 15.Nb3 ba4 16.Ra4 Bb6 17.d4+=; B) 11...Rfe8 12.ab5 (12.Re1 Bg4 13.c3 Bd6 14.e4 de4 15.de4 b4 16.cb4 Bb4 17.e5=; 12.c3 Bd6 13.ab5 ab5 14.Qc2 Ne5 15.Nd4 Qd7 16.e4 Bg4 17.Bg4=; 12.Qb1 Bg4 13.Rd1 Bd2 14.Rd2 b4 15.Ra2 Qd6 16.c4 Bf3 17.Bf3=) 12...ab5 13.c4 bc4 14.dc4 dc4 15.Nc4 Red8 16.Ra8 Ra8 17.Nd4=; C) 11...Be6 12.Nb3 (12.Re1 Rfb8 13.ab5 Rb5 14.c4 dc4 15.dc4 Rbb8 16.Qc2 Bd6 17.Red1=; 12.c3 Bd6 13.d4 b4 14.Qc2 Rfb8 15.Bd3 h6 16.a5 Kh8 17.Rfb1=; 12.ab5 ab5 13.d4 Na7 14.Ne5 c6 15.Bd3 Rfe8 16.Qe2 Qc7 17.Ra6=) 12...Rfe8 13.ab5 ab5 14.d4 Na7 15.Ne5 c6 16.Qd3 Bd6 17.Ra6=; D) 11...Rfd8 12.Nb3 (12.Re1 Re8 13.e4 de4 14.de4 Ne4 15.ab5 Nf2 16.Kf2 Qe3 17.Kf1–+; 12.ab5 ab5 13.Nb3 Bd6 14.Qd2 Re8 15.Ra8 Ra8 16.Ra1 Ra1 17.Ba1=; 12.c3 Bd6 13.Re1 Rdb8 14.Qc2 ba4 15.Ra4 Rb6 16.Rb1 Rab8 17.c4=) 12...Re8 13.ab5 ab5 14.Ra8 Ra8 15.c4 dc4 16.dc4 bc4 17.Bc4=.

11.Qb1 A) 11...Bd6 12.Re1 (12.a4 b4 13.Rc1 Rab8 14.c4 bc3 15.Rc3 Ne5 16.Qc2 c5 17.Nh4+=; 12.Rd1 Rfe8 13.a4 b4 14.a5 Be6 15.d4 Bf5 16.Nb3 Ne4 17.Ne5+=; 12.Rc1 Rab8 13.a4 b4 14.c4 bc3 15.Rc3 Ne5 16.Qc2 c5 17.Nh4+=) 12...Rfe8 13.a4 b4 14.a5 Be6 15.c4 bc3 16.Bc3 Rab8 17.Qc2=; B) 11...Bg4 12.h3 (12.Rd1 Rfb8 13.h3 Bd2 14.Rd2 Bf3 15.Bf3 Ne5 16.Qd1 c6 17.Rb1=; 12.Nb3 Bd6 13.Rc1 Bf3 14.Bf3 Ne5 15.Be2 Rfe8 16.Nd4 c5 17.Nf5+=; 12.Qc1 Rfd8 13.a3 Bc5 14.c4 bc4 15.dc4 d4 16.ed4 Nd4 17.Nd4=) 12...Be6 13.a4 Rfe8 14.d4 Na7 15.Bd3 Bd7 16.ab5 ab5 17.Ra2=; C) 11...Rfd8 12.a4 (12.Rd1 Bd6 13.a4 b4 14.a5 Re8 15.Ra2 Ng4 16.Re1 Be6 17.d4+=; 12.c3 Bd6 13.a4 Ne5 14.Ne5 Qe5 15.Nf3 Qe7 16.Qa2 ba4 17.Rfb1+=; 12.a3 Bd6 13.a4 b4 14.a5 Re8 15.Rd1 Rab8 16.e4 de4 17.de4+=) 12...Bg4 13.Rd1 Rdb8 14.ab5 ab5 15.Ra8 Ra8 16.c3 Ba5 17.Qc2=; D) 11...Rfb8 12.Qd1 (12.Re1 Bd6 13.a4 ba4 14.Ra4 Bd7 15.Qc1 Nb4 16.Ra1 a5 17.c3+=; 12.Nb3 Bd6 13.a4 b4 14.Ra2 Ng4 15.Re1 Re8 16.a5 Rab8 17.Nbd2+=; 12.a3 Bd6 13.Ra2 Be6 14.Nb3 b4 15.Qa1 ba3 16.Ba3 d4 17.Bd6+=) 12...Bd6 13.Rb1 Re8 14.Nb3 Rad8 15.Re1 Bg4 16.Nfd4 Bd7 17.Nc6+=.

11.Rc1 A) 11...Rad8 12.a4 (12.Rb1 Rfe8 13.Nb3 Bd6 14.Re1 Bg4 15.Nfd4 Bd7 16.Nc6 Bc6 17.Bf3+=; 12.Nb3 Rfe8 13.Rb1 Bd6 14.Re1 Bd7 15.Qd2 Bg4 16.Red1 b4 17.c3+=; 12.a3 Ba3 13.Ba3 Qa3 14.c4 bc4 15.dc4 d4 16.Ra1 Qd6 17.c5–/+) 12...ba4 13.c3 Bd6 14.Qa4 Ra8 15.c4 Ne5 16.c5 Nf3 17.Bf3+=; B) 11...Bd6 12.c4 (12.Nb3 Rfe8 13.Rb1 Rad8 14.Re1 Bg4 15.Nfd4 Bd7 16.Nc6 Bc6 17.Bf3+=) 12...dc4 13.dc4 b4 14.Qa4 Bd7 15.Qc2 Rfd8 16.c5 Be5 17.Ne5+=; C) 11...Rfd8 12.Re1 (12.Rb1 Re8 13.Re1 Bd6 14.e4 de4 15.de4 Be4 16.Bd3 Bf3 17.Nf3+=; 12.Nb3 Bd6 13.Rb1 Re8 14.Qd2 Be6 15.Rfe1 Rad8 16.a3 Nb8 17.Qa5+=; 12.Ra1 Bd6 13.Re1 Re8 14.c4 dc4 15.dc4 b4 16.Qa4 Bd7 17.Qc2=) 12...Bd6 13.c4 dc4 14.e4 c3 15.Bc3 Bg6 16.e5 Be5 17.Ne5+/–; D) 11...Rfb8 12.Re1 (12.Rb1 Re8 13.Re1 Rad8 14.Qc1 Bd6 15.Bc3 b4 16.Bb2 Ng4 17.Nb3+=; 12.Nb3 Bd6 13.Rb1 Re8 14.Qd2 Bg4 15.Rfe1 Rad8 16.Nfd4 Nd4 17.Nd4+=; 12.Ra1 Bd6 13.Re1 Re8 14.c4 dc4 15.dc4 b4 16.Qa4 Bd7 17.Qc2=) 12...Bd6 13.e4 Bg6 14.Nh4 d4 15.Ng6 hg6 16.c3 dc3 17.Bc3=.

11.Re1 A) 11...Rfb8 12.Rc1 (12.a4 ba4 13.Ra4 Bg4 14.c3 Bd6 15.Qa1 Bd7 16.d4 Rb6 17.Bd3=; 12.h3 Bd6 13.e4 de4 14.de4 Bg6 15.e5 Be5 16.Ne5 Ne5 17.a4=; 12.a3 Bd6 13.e4 de4 14.de4 Bg6 15.e5 Be5 16.Ne5 Ne5 17.a4=) 12...Bd6 13.e4 Bg6 14.Nh4 d4 15.Ng6 hg6 16.c3 dc3 17.Bc3=; B) 11...Be6 12.a4 (12.Ng5 Bd6 13.c4 Rab8 14.cd5 Nd5 15.Nde4 Rb6 16.Rc1 Bb4 17.Rf1=; 12.Rb1 Rfd8 13.Ng5 Bf5 14.Bf3 Ne8 15.h4 Nf6 16.e4 de4 17.Nge4=; 12.Rc1 Rab8 13.Rb1 Bd6 14.e4 de4 15.Bf6 Qf6 16.Ne4 Qf4 17.Nd6+=) 12...Rfe8 13.Ng5 Bd7 14.Bh5 Bd2 15.Bf7 Qf7 16.Nf7 Be1 17.Nh6=; C) 11...Rfe8 12.a4 (12.Rb1 Bd6 13.e4 de4 14.de4 Be4 15.Bd3 Bf3 16.Nf3 Qd7 17.Bf6=; 12.Rc1 Rad8 13.a3 Ba3 14.Ba3 Qa3 15.Nb3 Qd6 16.Ra1 Ra8 17.Qd2–/+) 12...Bg4 13.c3 Bd6 14.e4 de4 15.de4 b4 16.cb4 Bb4 17.e5=.

11.h3 h6 12.c3 (12.a4 Rfe8 13.Re1 Qe6 14.e4 de4 15.de4 Ne4 16.Bd3 Rad8 17.Be4–/+; 12.Re1 Rfe8 13.a4 Qe6 14.e4 de4 15.de4 Ne4 16.Bd3 Rad8 17.Be4–/+; 12.Rc1 Bd6 13.c4 dc4 14.dc4 b4 15.Qa4 Bd7 16.Qc2 Qe6 17.c5=; 12.Qc1 Bd6 13.a3 Rfe8 14.c4 dc4 15.dc4 bc4 16.Nc4 Bc5 17.Ncd2=) 12...Bd6 13.a4 Ne5 (13...Rfe8 14.ab5 ab5 15.Qc2 Ne5 16.Nd4 Bd7 17.c4=) 14.Ne5 Qe5 15.Nf3 Qe7 16.Qb3 (16.Nd4 Bd7 17.ab5=) 16...c5 (16...ba4 17.Ra4+=) 17.Qa2 (17.ab5+=) 17...Qb7 18.Rfd1 Rfd8 19.c4 dc4 20.Bf6 gf6 21.Nd2 Rab8 (worse is 21...Bd3 22.Bf3 Qd7 23.Ba8 Ra8 24.ab5 Qb5 25.Rac1+/–) 22.ab5 ab5 23.Bf3 Qc7 24.dc4 Bh2 25.Kh1 Be5 26.Rac1 b4 27.Bd5 Bc3 28.Nb3 Re8 29.Kg1 Kg7 30.Qe2 Re5 31.Bf3 Qa7 32.Bd5 Rbe8 33.Kh1 Bg6 34.Rg1 R5e7 35.h4 Re5 36.Rcd1 Qe7 37.g3 Bh5 38.g4 Bg6 39.Rg2 Qc7 40.Kg1 R5e7 41.Rg3 Be5 42.Rg2 Qb6 43.h5 Bh7 44.e4 Ra7 45.Rb1 Ra3 46.f3 Re7 47.Kh1 Qd6 48.Qf1 Rea7 49.Rf2 Bg3 50.Rfb2 Ra2 51.Qg2 Rb2 52.Qb2 Ra3 53.Kg1 Be5 54.Qd2 Qa6 55.f4 Bc3 56.Qd3 Qa4 57.Qd1 Ra2 58.Qd3 Qa3 59.g5 hg5 60.fg5 fg5 61.Qg3 Kh6 62.Kh1 Bf6 0–1. Semyonov,Viktor Timofeevich (2250) – Sazon,Adam (2125), WS/M/246 ICCF, 2010.

8.0–0 Bc5

9.a3 Re8 (9...a6 10.d4 Bd6 11.c4 dc4 12.Bc4 Re8 13.Nc3=; 9...Qe7 10.d4 Bd6 11.Nbd2 Rae8 12.c4 Qe6 13.Nh4=; 9...Rb8 10.Nc3 a6 11.d3 Re8 12.Re1 d4 13.Na4=+; 9...Bd6 10.d3 Re8 11.Nbd2 Qe7 12.c4 Be6 13.cd5=; 9...Rc8 10.Nc3 Re8 11.Re1 a6 12.Qb1 d4 13.Na4=+) 10.Nc3 a6 11.Re1 b5 12.d3 d4 13.ed4 =+.

9.a4 Re8 (9...Qe7 10.Nc3 Rfe8 11.Nb5 Bb6 12.Rb1 Rad8 13.d3=; 9...a6 10.Ba3 Ba3 11.Ra3 d4 12.Re1 Re8 13.Qc1=+) 10.Bb5 a6 11.Bc6 bc6 12.Nd4 Bd7 13.d3 =+.

9.Nc3 a6 (9...Qe7 10.Nb5 Rfc8 11.Re1 Ne4 12.Rb1 Re8 13.a4=; 9...Re8 10.Rb1 Qe7 11.Nb5 Ne4 12.d3 Nd6 13.Nd6=; 9...Nb4 10.d3 Re8 11.Rb1 Be6 12.a3 Na6 13.d4=) 10.a3 d4 11.ed4 Nd4 12.Nd4 Qd4 13.Bf3 =+.

9.d4 Bb4 10.c4 dc4 11.Bc4 Bd6 12.Nc3 a6 13.Rc1 =.

9.d4 Bd6 10.c4 dc4 11.Bc4 a6 12.Ba3 Rc8 13.Bd3 =.

9.d4 Be7 10.c4 dc4 11.Bc4 Na5 12.Be2 Rc8 13.Nc3 c5 14.d5 a6 15.a4 c4 16.Nd4 Be4 d5 becomes the focus of attention 17.Ne4 Ne4 18.Qc2 Nd6 19.Bc3 Bf6 20.Rab1 Re8 21.Rfd1 Rc5 (better is 21...Nb3!?=) 22.Bb4+/– Rc8 23.Bg4 Rb8 24.Bf3 Bd4 25.Rd4 (worse is 25.ed4 b5+=) 25...Nb3 26.Rf4 b5 27.ab5 ab5 28.h4 Ra8 29.Rg4 f6 30.h5 h6? (better is 30...Nf7!? 31.Be4 Ng5 32.Rg5 fg5 33.Bh7 Kh8+/–) 31.Qg6 Ra7?? (better is 31...Qd7+/–) 32.Bd6+– Qd6 (32...Nd2 33.Bc5 Nf3 34.gf3 Rf7+–) 33.Qe8 (33.Qe8 Qf8 34.Qb5+–) 1–0. Maksimovic,Suzana (2220) – Milanovic,Maja (1860), Valjevo SER, 1st League (w), 2011.

9.d4 Be7 10.c4 Re8 11.Ne5 Nb4 12.Nc3 c5 13.Nd5 =.

9.Re1 a6 10.Nc3 Re8 11.d3 b5 12.Qd2 Bd6 13.Rab1 =+.

9.Re1 Rb8 10.Nc3 a6 11.a3 Re8 12.Nh4 Be6 13.Nf3 =+.

9.Re1 d4 10.Na3 de3 11.fe3 Qe7 12.Nb5 Rad8 13.Nbd4 =.

9.Re1 Qe7 10.Nc3 Rfe8 11.Nb5 Ne4 12.Nc3 Rad8 13.Na4 =+.

9.Re1 Re8 10.Nc3 Ne4 11.d3 Nc3 12.Bc3 d4 13.ed4 =.

8.0–0 Rc8

9.a3 Bd6 10.Nc3 a6 11.Rb1 Re8 12.Nh4 Be6 13.Nf3 Qe7 14.a4 Rcd8 15.Ba1 Nb4 16.Bb2 c5 17.Re1 Bf5 18.d3 Qc7 19.Qd2 d4 20.Nd1 Nfd5 21.c3 c4 22.cb4 Bb4 23.Bc3?? dc3 24.Qc2 cd3 25.Bd3 Bd3 26.Qd3 c2 27.Rc1 Be1 28.Qc2 0–1. Fritz 8 – Fritz 5.32, 2004.

9.a3 Bd6 10.d4 Re8 11.c4 dc4 12.Bc4 Na5 13.Bd3 Bd3 14.Qd3 c5 15.Nbd2 cd4 16.ed4 Qb6 17.Rab1 Bf4 18.Bc3+/– Qc7 19.Ba5 Qa5 20.Rb7 Rc3 21.Nb3 Rd3 22.Na5 Ra3 23.Ra7 Bb8=+ 24.Ra6 Bc7 25.Rf6 gf6 26.Nc6 Re2 27.d5 Bb6 28.Ncd4 Re4 29.Nb5 Rd3 30.d6 Rb4 31.Ne1 Rd2 32.Nf3?? Rf2! 33.Nfd4 Rfb2 34.Rf6 Rd4 35.Nd4 Bd4 36.Kf1 Bf6 37.h4 (37.g4 Rh2 38.g5 Bg5–+) 0–1. EXchess 3.11 – Comet B50, 2004.

9.Nc3 d4 10.Nb5 de3 11.fe3 Ne4 12.a3 Bc5 13.Nfd4 Bd7 14.Nb3 Bb6= 15.Bd3 Qh4 16.Qf3 Rce8 17.Be4 Re4 18.Qf2 Qf2 19.Rf2 Ne5 20.N5d4 f6 21.Raf1 Ng4 22.Rf3 Rfe8=+ 23.Bc3 Ne5 24.Rg3 Ng6 25.Rf2 R8e5 26.Bb2 c5=+ 27.Ne2 Re8 28.Nc3 R4e5 29.Ne2 Rh5 30.Nf4 Nf4 31.Rf4 Kf8 32.Rc4 Be6–+ 33.Rc3? c4 34.a4 cb3 35.cb3 Rc8 36.Rc8 Bc8 37.h3 Bf5 38.Ba3 Kf7 39.b4 Bd3 40.Bb2 a5 (41.Rg4 Rf5–+; 40...Be2 41.Kf2 Bd1 42.Ke1 Ba4 43.e4–+) 0–1. Good_Boy – crafty, ICC, 1997.

9.Nc3 Ne4 10.Nb1 =.

9.Re1 Re8 =.

8.0–0 Qd6

9.a3 Bc5 =.

9.c3 Ba5 10.Ba3 Qd7 11.Bf8 Rf8 12.Na3 Qe7 13.Nc2 h6 14.Ncd4 Nd4 15.Nd4 Bg6 16.Nb3 Bb6 17.d4 Ne4 18.Qc1 a5 19.c4 a4 20.Nd2 c6 21.Ne4 Qe4 22.c5 Bc7 23.Qa3 Ra8 24.Rfd1 Qh4 25.g3 Qf6 26.Rd2 h5? 27.Rb2+– Ra7 28.Rb4 Be4 29.Ra4 Ra4 30.Qa4 h4 31.Qa8 Kh7 32.Qb7 hg3 33.fg3 Bd8 34.Rf1 Qh6 35.Rf4 Bg5 36.a4 Bf4 37.ef4 Qe6 38.a5 Bc2 39.Qa6?? Qe3 40.Kf1 Qe4?? 41.Qc6 Qh1?? 42.Kf2+– Qh2 43.Ke3 Qg3 44.Kd2 Be4 45.Qc7 Qg2?? 46.Qf7+– Bf3 47.Qf5 Kh6 48.Qg5! Kh7 49.Qg2 Bg2 50.a6 Bh3 51.Bd3 Kh6 52.a7 Bc8 53.a8Q Bg4 54.Qd8 g6 55.Qg5 Kh7 56.Qg6 Kh8 57.Qh7 (57.Qg4?!) 1–0. tcoulombe – zpmattack, net–chess.com, 2001.

9.c3 Ba5 10.Ba3 Qe6 11.Bf8 Rf8 12.d3 Ne5 13.Nd4 Qd7 14.Nf5 Qf5 15.Qc2 Bb6 16.Nd2 Nfg4 17.Rac1 Nf2 18.d4 Qc2 19.Rc2 Neg4? (better is 19...Nfg4 20.Rb2 Ne3 21.de5 Nf1 22.Kf1 c6+/–) 20.Rf2+– Nf2 21.Kf2 f5 22.g3 c5 23.Nf3 Re8 24.Bb5 Re7 25.c4 a6 26.Ba4 cd4 27.ed4 Re4 (27...dc4 28.Rc4 Kf7+–) 28.c5 (worse is 28.cd5 Bd4 29.Nd4 Rd4+–) 28...Bc7 29.Bb3 Re7 30.Bd5 Kf8 31.Re2 (better is 31.Rb2!? f4+–) 31...Re2 32.Ke2 b5 33.Bb7 a5 34.d5 Kf7 35.Nd4 Be5 36.Nb5 1–0. Garcia Roman,J (2000) – Martin Carmona,Gaston (1885), XIII Open, Malaga ESP, 2010.

9.c3 Ba5 10.Ba3 (10...Qe6 11.Bf8 Rf8 12.Nh4+/–) 1–0. BlackDemon (2620) – WilkBardzoZly (1775), FICS rated standard game, 2013.

9.c3 Bb1!? 10.Rb1 Ba5 +=.

9.Nd4 Nd4+= 10.Bd4 c5 11.Bb2 c4 12.c3 (better is 12.Bd4+=) 12...Ba5 (better is 12...Bc5–/+) 13.Ba3+= Qd7 (13...Qe5 14.Bf8 Rf8 15.Na3+=) 14.Bf8+/– Rf8 15.Na3 Bc7 16.Nc2 Qd6 17.f4 Ne4 18.Nd4 Qg6 19.Nf5 Qf5 20.Bf3 Re8 (better is 20...Bb6!?+/–) 21.Qa4+– Ra8 22.Be4 Qe4 (22...de4 23.Qc4 Bb6 24.Rab1+–) 23.Rab1 b6?! (23...b5 24.Rb5 Qe8+–) 24.Qd7 Bd8 (24...d4 25.Qc7 dc3 26.dc3 Qe3 27.Kh1 Qc3+–) 25.Qb7 Be7 26.Qa8 Bf8 27.Qa7 Qc2 28.Rfd1 (better is 28.Rb6 h6+–) 28...b5 29.Qd7 Qa2 30.Qb5 Qa8 31.Ra1 Qd8 32.Ra5 (32.Qc6 Qf6 33.Qf6 gf6+–) 32...d4 33.cd4 Qc7 (33...Qd6 34.Qc4 Qe7 35.Ra8+–) 34.Rc1 (34.Ra8 h6 35.Qc5 Qc5 36.dc5 c3+–) 34...Qd8 35.Rc4 Qh4 36.Rc1 (better is 36.Ra1 g6 37.Rc8 Qe7+–) 36...Qg4 37.Qe8 Qe2 38.Ra8 (38.Ra7 Qe3 39.de3 h6 40.Qf8 Kh7 41.Qf7 h5 42.Qg7) 38...h6 39.Qf8 Kh7 40.Qf7 (40.f5 Qg2 41.Kg2 g5 42.Qf7) 40...Qd2 (40...Qg4 41.f5 h5 42.Qg8 Kh6 43.Rc6 Kg5 44.Qd8 Kf5 45.Qd5) 41.Qf5 g6 42.Qf7 1–0. Alexandr,Petr (1665) – Vratny,Jakub, Ostrava CZE, Ostravsky Konik, 2014.

9.Nd4 Nd4=+ 10.Bd4 c5 11.Bb2 Rae8 12.Bf3 Be4 13.d3=+ Bf3 14.Qf3 Ba5 15.Na3 Bc7=+ 16.g3 Qa6 17.Rfb1 b5 18.Nb5+/– Qb5 19.Bf6 Qd7 20.Bc3 Be5 21.Be5 Re5 22.Rb2 Rfe8 23.Rab1 R5e7 24.Rb7 Qb7 25.Rb7+– Rb7 26.Qd5 Rc7 27.f4 Rb8 28.Qd6 Rcc8 29.Qd7 a5 30.Kf2 Kf8 31.e4 g6 32.g4 Kg8 33.h4 Rf8 34.e5 Rb2 35.Qa4 Rfb8 36.Kg3 R8b4 37.Qa5 Rc2 38.Qd8 Kg7 39.h5 gh5 40.gh5 (40…Ra2 41.h6 Kh6 42.Qg5#) 1–0. Boettcher – Gross,Gerald, corr 3GMM–44, 1996.

8.0–0 Bd6

9.a3 Re8 10.d3 Qe7 11.Nc3 a6 12.Re1 b5 13.Nd5 =+.

9.Nc3 a6 10.a3 Re8 11.Re1 Qe7 12.d3 b5 13.Nd5 =+.

9.Nc3 a6 10.Rb1!? +=.

9.Nc3 a6 10.Nd4 Nd4–/+ 11.ed4 Re8 12.Bf3 c6 13.d3 Qc7 14.g3 Bh3 15.Re1 Re1 16.Qe1 Qd7 17.Qd2 Qf5 18.Bh1 h5 (18...Re8 19.Na4–/+) 19.Re1+= h4 20.Ne2 Re8 21.Bc1 Bg4 22.gh4?? (22.Nf4!?+=) 22...Be2 (better is 22...Bh2 23.Kh2 Qf2 24.Bg2 Bf3–+) 23.Re2 Qg4 24.Kf1 Bh2 25.Re8 Ne8 26.Qe3 Nf6 27.Bg2? Bf4–+ 28.Qe1 Bc1 29.Qc1 Qh4 30.Qe3–/+ Qg4 31.f3 Qf5 32.Kg1 Kh8 33.Qd2 Qd7 34.Qb4 Qc7 35.Kf2 Kg8 0–1. Chirpii,Alexandru (1925) – Tardi,Oscar (1760), Iasi ROM, World Amateur Ch, 2013.

9.d3 a6 10.Nbd2 b5 11.a4 b4 12.Rb1 Re8 13.c4 =.

9.d3 b5 10.c4 bc4 11.dc4 dc4 12.Nbd2 c3 13.Bc3 =.

9.d3 Rb8 10.Nbd2 Re8 11.c4 Be6 12.cd5 Nd5 13.Ne4 =.

9.d3 Be6 10.Nc3 a6 11.Rb1 b5 12.Re1 Qe7 13.Ng5 =+.

9.d3 Re8 10.Nbd2 Qe7 11.c4 Be6 12.cd5 Nd5 13.Ne4 =.

9.d4 Ne7 10.c4= c6 11.c5 Bc7 12.a4 Ng6 13.Bd3 Bg4 14.Nbd2 Re8 15.h3 Bd7 16.Qc2 Qc8 17.Rfb1 Ne7 18.Nf1 Bf5= 19.Bf5 Nf5 20.Bc3 Ne4 21.Be1 h6 22.Ra3 Re6 23.Rab3 b6 24.cb6 ab6=+ 25.Ra1 Rg6 26.g4 Ne7 27.Ne5 Be5 28.de5 c5 29.f3 Ng5 30.h4?? Nf3–+ (30...Nf3 31.Kh1 Qg4–+) 0–1. Spiegel,Matthias – Rittmueller,Gerd (1625), Landesliga Ost2, 2001.

9.Re1 Qe7 10.Nc3 a6 11.Rb1 b5 12.a4 b4 13.Na2 =+.

9.Nh4 Be6 10.Nc3 a6 11.Nf3 b5 12.Nb1 Re8 13.a4 =+.

9.d3 Qe7

10.Nbd2= Ba3 11.Ba3 Qa3 12.Qc1 Qd6 13.Rb1 Rab8 14.Qb2 (14.Rb3 Rfe8=) 14...a6 15.Nh4 Be6 16.d4 b5 17.Bd3 Na5 (17...Rfe8 18.Rfe1=) 18.Nhf3 (18.Nf5 Qd7 19.Ng3 Nc4 20.Bc4 dc4=) 18...Nc4 (18...Rfe8 19.Ne5=) 19.Bc4 dc4 20.e4 Qf4 21.d5 Bg4 (21...Bc8 22.Rfe1=) 22.Qe5 Qh6 23.Rfe1 Rbe8 ½–½. Vetter,Udo – Winiger,Albert, TT–09 ETC, 2003.

10.Nbd2 Rab8 11.c4 =.

10.Nbd2 Rad8 11.c4 (11.Rb1 b6=) 11...dc4 (11...Be6 12.Qb1=) 12.Nc4 Be6 (12...Rfe8 13.Qb3 b6 14.Rac1=) 13.Nd6 Qd6 (13...cd6 14.Qa4=) 14.Qa4 (14.Bf6 gf6 15.Qb1 Rfe8+/–) 14...Qb4 (14...b5 15.Qh4 (15.Qb5? Rb8 16.a4 Rb5 17.ab5 Nb4–+) 15...Nd5 16.Rac1+=) 15.Qc2 (15.Qb4 Nb4 16.Bf6 gf6+/–) 15...Qa5 (15...Qe7 16.Rfc1+=) 16.Bc3 (better is 16.Bf6 gf6 17.Rfb1+/–) 16...Nb4? (better is 16...Qc5+=) 17.Qb2+– Nfd5 18.Bg7 Rfe8 19.Bh6 f6 20.e4 Nb6 21.Qf6 Rd7 22.Ne5 Rde7 23.Bh5 Nd7 24.Qg5 Kh8+– 25.Nf7! (25.Nf7 Rf7 26.Qa5+–) 1–0. Smith,David – Keogh,Eamon, The Hague juniors, 1961.

10.Nbd2 Rad8 11.Re1 Ne5 12.Ne5 Be5 13.Be5 Qe5 14.Nf3 Qe7 15.Qc1 c5 16.Qa3 b6 17.Rab1 Qc7 18.Qa4 Bg6 19.Rec1 Rfe8 20.Nh4 d4 21.Bf3 de3 22.fe3 Re3 23.Ng6 hg6 24.Re1 Qe5 25.Qh4 Re8 26.Re3 Qe3 27.Qf2 Qe6 28.Ra1 Ng4 29.Bg4 Qg4 30.Rf1 f6 31.h3 Qh5 32.Re1 Re5 33.Re5 Qe5 (worse is 33...fe5 34.a3+=) 34.c4 Kf7 35.Qc2 f5 36.a4 g5 37.Kf1 Qf4 Black intends g4 38.Kg1 Qe3 39.Kh2 g4 40.hg4 Qf4 41.g3 Qg4 42.Qd2 g5 43.a5 f4 44.gf4 Qf4 45.Qf4 gf4 46.ab6 ab6 47.Kg2 Kf6 48.Kf2 Ke5 49.Kf3 Kd4 50.Kf4 Kd3 0–1. Woloszyn,Piotr – Celinski,Kamil, ch–city Milanowek Poland, 2013.

10.Nbd2 Rfe8 11.Rb1 Rab8 12.c4 Be6 13.cd5 Bd5 (13...Nd5 14.Ne4=) 14.e4 Ba2 15.Ra1 Nb4 (15...Be6 16.e5 Bd5 17.ed6 Qe2=) 16.Bc3+/– Bd5 (16...Nfd5 17.ed5 Qe2 18.Bb4 Qd1 19.Rfd1 (19.Rad1? Bb4 20.Rc1 Bd2 21.Nd2 Re7–+) 19...Bb4 20.Ra2+/–) 17.Re1 Bc6 18.e5 (18.Ra7?! Bc5 19.Ra1 Rbd8=) 18...Be5 (18...Nfd5!? 19.ed6 Nc3 20.de7 Nd1 21.Bd1 Nd3+–) 19.Ne5+– Nfd5 20.Bd4 a6 21.Bh5 g6 22.Ne4 gh5 23.Qf3 f6 24.Nc6 Nc6 25.Nf6 Qf6 26.Bf6 (26.Bf6 Nf6 27.Qf6+–; < 26.Qf6 Nf6 27.Bf6 Kf7–/+; 26.Qd5?! Qf7 27.Qg5 Qg6 28.Re8 Re8 29.Qd5 Re6=) 1–0. pierre – BAILEY 1979, ChessWorld.net, 2005.

10.Nbd2 Rfe8 11.c4 Be6 12.Qb3 dc4 13.dc4 =.

8.0–0 Qd7

9.a3 Bd6 10.c4 dc4 11.Bc4 Na5=+ 12.Be2 c5 13.d4 Ne4 14.Nc3 Qe6 15.d5 Qh6 16.Nb5 Rad8 17.Nd6 Rd6 18.Be5+= Rg6 19.Bf4 Qh3 20.Ng5 Qh4 21.g3?? Rg5–+ 22.Bg5 Qg5 23.Rc1 Qf6 24.f3 Nc3 25.Qd2 Ne2 26.Qe2 b6 27.e4–/+ Qd4 28.Kg2 Re8 29.Rcd1 Qc3 30.Rd3 Qc4 31.Rfd1 Nb3 32.Qf2? Re4 33.d6?? h5?? 34.d7+/– Bd7 35.fe4 Qe4 36.Kg1 Bc6 (36...Bc6 37.Rd8 Kh7+=). Wartig,Wolfgang – Hoering,F, DDR–ch I819 corr, 1989.

9.a3 Bd6 10.Bf6 gf6 11.Nc3 Kh8 12.Nd5 Bh2 13.Kh2 Qd5 14.Rh1 Ne5 15.d4 Nf3 16.Bf3 Be4 17.c4 Qf5 18.Be4 Qe4 19.Kg1 Rg8 20.g3 Rg5 21.Qf1 Rag8 22.Rh2 Qf3 23.Rh3 h5 24.Qg2 Qg2 25.Kg2 Kg7 26.Rb1 b6 27.d5 Kg6 28.f4 Rg4 29.Rbh1 Kf5? 30.Kf3+– h4?? 31.e4 (31.e4 Kg6 32.Kg4 f5 33.Kf3 fe4 34.Ke4 Re8 35.Kf3 hg3 36.Rh7+–) 1–0. Trkn – TunaSalad (1775), ICC, 2004.

9.a3 Be7 10.Nc3 =.

9.c4 dc4 10.Bc4 Bd3 11.Bd3+= Qd3 12.Ne1 Qg6= 13.d4 Rad8 14.Nd3 Bd6 15.f4 Qe4 16.Qd2 Rfe8 17.Rf3 Ng4 18.Nc3= Qg6 19.Rg3 Qh5 20.Rh3 Qa5 21.Nf2 Nf2 22.Qf2 Bb4 23.Qh4?? h6?? 24.g4?? Bc3–+ 25.g5 Rd6 26.Bc3 Qc3 27.Rd1 Qc2 28.Qg4 Qa2 29.f5 Qd5 30.gh6 g6 31.h7 Kh8 32.Rf3 Qe4 33.Qe4 Re4 34.fg6 fg6 35.Rdf1 Rd7 36.Kh1 Kh7 (36...Kh7 37.Rf7 Rf7 38.Rf7 Kh6 39.Rc7 Re3–+) 0–1. Trkn – Springer2, itsyourturn.com, 2000.

9.Bf6 gf6 10.a3 Bc5 +=.

9.Bf6!? gf6 10.a3+= Be7 11.d4 Rfe8 12.Nbd2 Rab8 13.Bd3 Bg6 +=.

8.0–0 Nd7

9.a3 Bd6 10.Nc3 Nb6 11.d3 a6 12.a4 Bb4 13.Na2 Be7 14.Nc1 a5 15.Nb3 Bd6 16.Nfd4 Nd4 17.Bd4 Bd7 18.c4 Na4 19.cd5 Qg5 20.Bf3 Ra6 21.g3 b5 22.Qe2 Qe7 23.Be4 f5 24.Bf3 Be5 25.Rfc1+= Bd6 26.Qd2 ½–½. Woelfelschneider,Peter – Winiger,Albert, TT–09 ETC, 2003.

9.Nc3 Nb6 =.

9.d3 Re8 10.Nbd2 Qe7 11.c4 Nce5 12.Ne5 Ne5 13.Nf3 (13.Be5!? Qe5 14.Nf3+=) 13...Nf3= 14.Bf3 dc4 15.dc4 c6 16.Qb3 Rad8 17.Rfd1 a6 18.h3 Ba5 19.Ba3 Qe5 (better is 19...Qc7!?=) 20.Qb7+/– Bc2 (20...Bc7 21.g3 (21.Bc6?! Qh2 22.Kf1 Bc2=; 21.Qa6? Bc2 22.Kf1 Bd1 23.Rd1 Rd1 24.Bd1 Qa1–+) 21...Bh3 22.Qc6+/–) 21.Bb2 Qf5? (better is 21...Qb8 22.Rd8 Rd8 (22...Qb7?? 23.Re8#) 23.Qb8 Rb8+/–) 22.Rd8+– Rd8 23.Qc6 h6 (23...Qc8 24.Bd4+–) 24.Qa6 Rd2 25.Qa8 Kh7 26.Bd4 Bc7 27.Qd5 Qg6 28.Qh5 Qd6 29.g3 Rf2 30.Qg4 Qg3 31.Qg3 Bg3 32.Bg2 Re2 33.a4 Bf2 34.Kh1 Be3 35.Be3 Re3 36.a5 Re7 37.a6 Ra7 38.c5 Bf5 39.Bb7 Bh3 40.c6 Kg6 41.c7 f6 42.Rd1 Bf5 43.Rd8 Rb7 44.ab7 Be4 45.Kh2 Bb7 46.Kg3 Kg5 47.c8Q Bc8 48.Rc8 g6 49.Rc5 f5 50.Rc6 h5 51.Kf3 h4 52.Rb6 Kh5 53.Kf4 g5 54.Kf5 h3+/– 55.Rb8 Kh4= 56.Rb4 Kg3 57.Rb3 Kg2 58.Kg4+/– h2 59.Rb2 Kg1 60.Kg3 h1N 61.Kf3 g4 62.Kg4 Nf2 63.Kf3 Nd3 64.Rg2 Kf1 65.Rd2 Ne5 66.Ke4 Ng4 67.Kf4 Ke1 68.Rg2 Nf6 69.Ke5 Kf1?? 70.Rg7+– (70.Rg7 Nh5 71.Rg5 Ke2 72.Rh5 Kd3 73.Rh3 Kc4 74.Rg3 Kc5 75.Rc3 Kb6 76.Kd5 Kb5 77.Rb3 Ka4 78.Kc4 Ka5 79.Rb4 Ka6 80.Kc5 Ka5 81.Rd4 Ka6 82.Rd7 Ka5 83.Ra7#; 70.Kf6?! Kg2=) 1–0. Olcum,A (1945) – Karabayir,M (1865), IsBank TCh–TUR, Konya TUR, 2010.

8.0–0 Ne4

9.a3 Ba5 10.d3 Nc5 11.Nbd2 h6 12.Nb3 Nb3 13.cb3 Bb6 14.b4 f6 15.Nh4 Bh7 16.Nf3 Re8 17.b5 Ne5 18.Qb3 Kh8 19.a4 a6 20.Ne5 fe5 21.a5 Bc5 22.Rfc1 b6 23.ba6+/– d4 24.ab6 cb6 25.ed4 ed4 26.Bf3 Ra7 27.Qb5 Bg8 28.Bb7 Rf8?? 29.Rc5+– bc5 30.Qc5 Qb8 31.Qd4 Rb7?? 32.ab7 Qb7 33.Ra7 Qb3 34.Qg7 1–0. PeterRs – Salvatore, ChessWorld.net, 2006.

9.c4 dc4 10.a3 c3 11.dc3 (11.Nc3 Nc3 12.Bc3 Bc3 13.dc3 Qf6=) 11...Bd6+= 12.c4 a6 13.Nbd2 Qe8 14.Ne4 Qe4 15.Ng5 Qe7 16.Nf3 Rfd8 17.Qc1 f6 18.Nh4 Be6 19.h3 Qf7 20.Qc2 Be5 21.Be5 Ne5 Exerts pressure on the isolated pawn 22.Qb3? (better is 22.Rfb1=) 22...Bc4–+ 23.Qb7?? (better is 23.Bc4 Qc4 24.Qc4 Nc4 25.Nf5–+) 23...Be2 24.Rfc1 Rab8 25.Qc7 (25.Qe4–+) 25...Rd1! 26.Kh2 Qc7 27.Rc7 Ra1 28.Rc3 Nc4 29.Rc2 Bd3 30.Rc3 Ra3 31.Ra3 Na3 32.Kg3 a5 33.Nf3 Nc2 34.Nd4 Nd4 35.ed4 a4 0–1. Neumann,Frank (1650) – Dorn,Norbert (2040), RS–Pyramide remoteschach.de, 2009.

8.0–0 Qe7

9.a3 Bc5 10.Nc3 a6 11.Re1 Rfd8 12.d3 Bd6 13.Nd5 =.

9.a4 Rad8 10.c3 Bd6 (10...Bc5 11.Na3 Ne4 12.Nb5 h6 13.d3 Nf6 14.Nbd4) 11.Ba3 (11.Na3 a6 12.c4 h6 13.Bf6 Qf6 14.cd5) 11...Ne5 (11...Rfe8 12.Bd6 (12.Qb3 h6 13.Bd6 Rd6 14.d4) 12...Rd6 13.a5= (13.d3 Na5 14.Nbd2) 13...Ne4 14.d3; 11...Ne4 12.Qb3 Ba3 13.Qa3 Rfe8 14.d4) 12.Bd6 (12.Nd4 Be6= (12...Bd7 13.Bd6 Qd6 14.f4) 13.Bd6 Rd6 14.Ne6) 12...Nf3+= (worse is 12...cd6 13.Nd4 Bd3 (13...Bd7 14.Qb3) 14.Na3+=) 13.Bf3 Qd6 (13...Rd6 14.Na3+= (14.d4+=)) 14.d4 (14.Na3+=) 14...Be4 (14...Rfe8 15.Na3+=) 15.Nd2= Rfe8 (15...c5 16.Qb3=) 16.Be4 (16.Qb3 b6=) 16...Ne4 (16...de4 17.Rb1 b6 18.Nc4=) 17.Ne4 Re4 18.Rb1 (18.Qb3 b6=) 18...b6 19.Qe2 Rde8 (better is 19...a5=) 20.c4 (better is 20.Qa6=) 20...Rd4!–/+ 21.cd5 Rd5 22.Rfd1 Rd8 23.Rd5 Qd5 24.g3 Qd3 25.Qa2 c5 26.h4 h6 27.Rb5 Qd1–+ 28.Kh2 Rd2 29.Rb2 Rb2 30.Qb2 Qa4 31.Qe5 Qd7 32.f4 c4 33.h5 Qc8 34.Qc3 b5 35.e4 a5! 36.f5 b4 37.Qc1 Qc5 38.Kg2 c3 39.f6 Qg5 40.Qd1 Qd2 (40...Qd2 41.Qd2 cd2–+) 0–1. Mallmann,Bernd (1885) – Kutzner,Stephen (2065), Saarlouis op 7th, 2004.

9.Bb5 Rab8 10.Nc3 a6 11.Be2 Rfe8 12.a3 Bd6 13.Re1 =+.

9.c3 Bd6 10.d4 a6 11.Nbd2 Rfe8 12.a4 (12.c4 b6+=) 12...Qe6 (12...Rad8 13.c4+=) 13.Ba3= Ba3 14.Ra3 Qd6 15.Qb3 Bc2 (15...b6 16.Rc1=) 16.Qb2 b6 (16...Ne4 17.Rfa1 Nd2 18.Nd2+=) 17.Rc1 (17.c4 Bf5=) 17...Bf5 18.c4 Ng4 (18...Qe6 19.cd5 Qd5 20.Rac3+=) 19.c5+= bc5 20.Rc5 Bd7 21.g3 (21.Rb3 Nf6+=) 21...Nd8= 22.Rb3 Ba4 23.Ra3 Bd7 24.Qa2 Attacking the isolated pawn on a6 24...Nf6 (24...c6 25.Ra6 Ra6 26.Qa6+=) 25.Ra6 Ra6 26.Ba6 (26.Qa6 Qa6 27.Ba6 Ne6+=) 26...Ne6 27.Ra5 Rb8 28.Bd3 Qb4 29.Ra4?? (better is 29.Ne5 c5 30.Ra7=) 29…Qa4 (29...Qa4 30.Qa4 Ba4–+) 0–1. Gosme,Emile (1790) – Ventimiglia,Charles (1800), IECC, 1998.

9.c3 Bd6 10.d4 Rfe8 11.Nbd2 Ne4 12.c4 Nb4 13.c5+/– Bf4 14.Bb5?? Be3?? 15.Be8?? Nf2–/+ 16.Bf7 Kf7 17.Ne5?? Qe5!!–+ 18.Qh5 g6 19.Qh7 Qg7 20.Qg7 Kg7 (20...Kg7 21.Rf2 Nd3–+) 0–1. Pietrzak,Janusz – Wojcik,R, Klodzko, 1979.

9.Nc3 a6 10.d4 Rad8 11.a3 Ba5 12.Nh4 Be6 13.Qd3 Bc8 14.Nf3 Ne4 15.Na2 ½–½. Grott,Peter (1985) – Jacobs,Rudolf, DESC, 2001.

9.Nc3 Rfe8 10.a3 Bc5 11.d4 Bb6 12.Na4 Ba5 13.c4 =.

9.c4 Rad8 10.d4 dc4 11.a3 Bd6 12.Bc4 Rfe8 13.Be2 a6 A) 14.Nbd2 Qe6 15.Bc4 Qd7 16.d5 Ne5 17.Bb3 Nf3 18.Nf3=+; B) 14.Nc3 Be6 15.Ng5 Bc8 16.Qb3 b5 17.Qc2 h6 18.Nf3=.

9.c4 Rad8 10.d4 dc4 11.a3 Bd6 12.Bc4 Rfe8 13.Be2 Nb8 14.Qb3 Nbd7 15.Rd1 Nb6 16.h3 c6 17.Nbd2 Nbd5 18.Nc4= Bb8 19.a4 Ne4 20.Rac1 Kh8 21.a5 f6 22.a6 b6 23.Ncd2 Nf2 24.Kf2+/– Bf4 25.ef4 Qe2 26.Kg3 Nf4 27.Rg1 Be6 28.Qa3+= Nd3 29.Rc3 Rd4 30.Rc6 Rd5 31.Rf1 h5 32.Kh2 Bh3 33.Rg1 Bg4 34.Qb3 Red8–/+ 35.Bf6 gf6 36.Rf6 Qe7 37.Qc3 Kg8 38.Rg6 Kh7 39.Rc6 Rc5 40.Rc5 Qc5 41.Qf6 Qd6 42.Qd6 Rd6 43.Nc4 Rd5–+ 44.Kg3 Bc8 45.Ra1 b5 46.Ra5 Kg6 47.Na3 Bd7 48.Nc2 Rd6 49.Na3 Kh6 50.Kh2 Rb6 51.Nd4 b4 52.Nac2? Rg6 53.Ne3 Rg5 54.Ra1 Nc5 55.Nf3 Rg8 56.Ra5 Rc8 57.Nc4 Be6 58.Ncd2 Nd3 59.Nd4 Rc5 60.Ra4 Bd5 61.Ra1 Kg6 62.Rf1 Rc7 (62...Rc7 63.Kg3 Rd7–+) 0–1. Cetwinski,Olgierd (2210) – Ciborowski,Artur (2215), corr Poland ch42, 1999.

9.c4 Rad8 10.d4 dc4!? 11.Bc4 Rfe8 =+.

9.c4 Rad8 10.d4 Ne4 11.a3+= Ba5 12.cd5 Rd5 13.Bc4 Rd6 14.d5 Nb8 15.Qd4 Rg6 16.Qe5 Qe5= 17.Ne5 Rd6 18.f3 Nc5 19.e4 Bc8 20.Nc3 Rb6 21.Nd1+= Nb3 22.Bb3+/– Rb3 23.Nc4 Bb6 24.Nb6 ab6 25.Be5 Na6 26.Rc1 b5 27.Rc3 Rc3+/– 28.Nc3 c6 29.d6 Bd7 30.Bg3 Ra8 31.Nb1 b4= 32.ab4 Nb4 33.Nd2 b5 34.Nb3 Kf8 35.Nc5 Ke8 36.e5 Nc2 37.f4 g6 38.Ne4 h6 39.Bh4 Be6? 40.Be7 Kd7+= 41.Rf3 b4 42.g4 Nd4 43.Rd3+= Ra1 44.Kf2 Ra2 45.Ke3 Nc2= 46.Kd2 Kc8 47.Nc5+= Bg4 48.d7 Bd7 49.Rd7 Nd4 50.Kd3 Ne6–/+ 51.Rd4 Nd4 52.Kd4 Rh2 53.Kc4 h5 54.Kb4 h4 55.Ne4 h3 56.Bh4 Rb2–+ 57.Kc3 h2 58.Kb2? h1Q 59.Nd6 Kd7 60.Bg5 Ke6 61.Kc3 Qa1 62.Kc4 Qa2 63.Kc5 Qd5 64.Kb6 c5 65.Kb5 Kd7 66.Nf7 Qf7 67.Kc5 Qe6 68.Kd4 Qc6 69.Ke3 Ke6 70.Kf2 Qc3 (70...Qc3 71.Ke2 Qd4–+) 0–1. Ulaneo,Ruben – Bustelo,Tabare, URU–ch Uruguay, 1990.

9.c4 Nd8 10.Nc3 (10.Nd4 A) 10...Bd7 11.cd5 (11.a3 Bc5 12.cd5 Nd5 13.Nf3 Nc6 14.Qc2 Be6) 11...Nd5 12.a3 Bc5 13.Qb3 Nf4 14.ef4 Bd4; B) 10...Be4 11.a3 (11.d3 Bg6 12.cd5 Nd5 13.Bf3 c6 14.Bd5 cd5) 11...Bc5 12.Nc3 Bd4 13.ed4 Ne6 14.Re1 Nd4; C) 10...Be6= 11.a3 (11.Ne6 Ne6 12.a3 Ba5 13.Qa4 b6 14.Nc3 Nc5) 11...Bd6 12.cd5 Nd5 13.f4 Nc6 14.Ne6 Qe6; 10.cd5 Nd5 11.Qb3 (11.Nd4 Be4 12.d3 Bg6 13.Qb3 c5 14.Qd5 cd4) 11...c6 12.Nc3 Bc3 13.dc3 Ne6 14.Rad1 Rfd8) 10...dc4 11.Bc4 c5 (11...Be6 12.Qb3= (12.Bd3 Nc6 13.Nb5 Bg4 14.h3 Bf3) 12...Nc6 13.Be6 Qe6 14.Nb5 Qb3; 11...Nc6 12.Nb5 Rad8 13.a3 Ba5 14.d3 Bb6) 12.Rc1 (12.d4= Nc6 13.a3 Bc3 14.Bc3 Ne4; 12.a3 Bc3 13.Bc3 Nc6 14.Qb3 Ne4) 12...Ne6 (12...Be6 13.Qb3= (13.Ne2 Bc4 14.Rc4 Ne6) 13...a6 14.a3 Bc4; 12...Nc6 13.Na4 b6 14.d4 cd4) 13.Qb3 (13.Nh4 Bg4 (13...Bg6 14.Ng6 hg6) 14.Nd5 Nd5 15.Qg4 Nf6+/–) 13...a6 (13...Rad8 14.d4= cd4) 14.a4 (14.Nh4 Be4+=) 14...Rfd8 (14...Rad8 15.d4=) 15.Rfd1 (15.d4 cd4 16.ed4 Rac8= (worse is 16...Nd4 17.Nd4 Rd4 18.Nd5 Rd5 19.Bf6 Qf6 20.Bd5+/–)) 15...Rd7 (15...Bg4 16.d3=) 16.Ne2 (16.Na2 Bg4 17.d4 Rad8=) 16...Rad8 (16...Be4 17.d4=) 17.d4 cd4 18.Ned4 Nd4 (18...Bg4 19.h3 Nd4 20.ed4 Bf3 21.Qf3+= (worse is 21.gf3 Nd5–/+)) 19.Nd4 Bg6 20.Nf3 (20.Bd3 Ne4=) 20...Rd1 (20...Bd6 21.Nh4=) 21.Rd1 Rd1 22.Qd1 Qd6 (22...Bd6 23.Qa1+=) 23.Qb3 (23.Qd6 Bd6 24.Bf6 gf6+/–) 23...Nd7 (23...Ne4 24.Ne5 Qd2 25.Bf7 Kh8 26.h3 Qf2 27.Kh2 Qg3 28.Kg1=) 24.h3 (24.Ng5!? Nc5 25.Qb4 Qd1 26.Bf1+–) 24...Nb6= 25.Be2 Be4 26.Bd4 Bd5 27.Qc2 h6 28.Qf5 Be6 29.Qh5 Na4–/+ 30.Be5 Qd5 31.Nd4 Bd6 32.Bd6–/+ Qd6 33.Qa5 b5 34.Bf3 Qb6 35.Qb6 Nb6–+ 36.Bb7 Bc8 37.Bc6 Bd7 0–1. Stocker,Rupert (2110) – Salvermoser,Bernd (2245), Bayern Landesliga Sued, 1999.

9.d3 a5 10.a3 Bd6 11.Nc3 Na7 12.Re1 Rfe8 13.Nd5 Nd5 =.

9.d3 Rab8 10.Nc3 a6 11.Re1 Rfe8 12.a3 Bd6 13.Nd5 Nd5 =+.

9.d3 Rfb8 10.Nc3 a6 11.a3 Bd6 12.Re1 Re8 13.Nd5 Nd5 =+.

9.d3 Bc5 10.Nc3 Rfe8 11.Rb1 Rab8 12.Nb5 Rbc8 13.Nfd4 Nd4 =.

9.d3 Rac8 10.Nbd2 Rce8 11.Rb1 b6 12.c4 dc4 13.Nc4 Nd5 =.

9.d3 Rfc8 10.a3 Bd6 11.Nbd2 Re8 12.c4 Be6 13.cd5 Nd5 =.

9.d3 Bd6 10.Re1 Ne5 11.Ne5 Be5 12.Be5 Qe5 13.Nd2 Rfe8 =.

9.d3 Bd7 10.Nbd2 Rab8 11.a3 Bd6 12.c4 Be6 13.cd5 Nd5 =.

9.d3 Rfd8 10.Nbd2 Re8 11.a3 Bc5 12.c4 d4 13.ed4 Qe2 =.

9.d3 Be6 10.a3 Bd6 11.Nbd2 Rfe8 12.c4 Rad8 13.Qc2 Ng4 =.

9.d3 Rae8 10.a3 Bd6 11.Nbd2 Be6 12.c4 Rd8 13.Qb1 dc4 =.

9.d3 Rae8 10.Nbd2 Ba3 11.Qc1 Bb2 12.Qb2 b6 13.Rfe1 Qd6 14.Nb3 a6 15.c4 dc4 16.dc4 Qb4 17.a3 Qe7 18.Rad1 Nd7 19.Nbd4 Qf6 20.Qc1 Be4 21.Nd2 Bg6 22.Nc6 Qc6 23.Bf3 Qa4 24.Qc3 Nc5 25.Nf1 Be4 26.Be4 Ne4 27.Qb2 Qc4 28.Rc1 Qe6 29.Rc7 Rc8 30.Rec1 Nc5 31.Rc8 Rc8 32.Nd2 Rd8 33.Nf3 Nb3 34.Rb1 b5 35.h3 Nc5 36.Qc2 Ne4 37.Rb4 Nf6 38.Rd4 Rd4 39.Nd4 Qc4 40.Qd2 h5 41.Qa5 Qc8 42.Kf1 Ne4 43.Ke2 g6 44.Kf3 Nd6 45.a4 Nc4 46.Qb4 Ne5 47.Ke2 Nc6 48.Nc6 Qc6 49.ab5 ab5 50.e4 Kh7 51.g3 g5 ½–½. Guilloux,Jean Yves (2065) – Jenneborg,Seved, IECG, 2004.

9.d3 Rae8 10.Nbd2 Be6 11.Rb1 b5 12.a4 a6 13.ab5 ab5 =.

9.d3 Rfe8 10.a3 Bc5 11.Nbd2 a6 12.Re1 Rad8 13.d4 Bd6 =.

9.d3 Rfe8 10.Bc3 Rad8 11.Bb4 Qb4 12.a3 Qb5 13.Nbd2 d4 =.

9.d3 Rfe8 10.Nbd2 Rad8 11.a3 Bc5 12.Re1 a6 13.d4 Bd6 =.

9.d3 Rfe8 10.Nbd2 Rad8 11.Re1 Ne4 12.de4 de4 13.Nd4 Nd4 14.ed4 e3 15.c3 Rd4 16.cd4 ed2 17.Rf1 Qe2 18.Qb3 Ba5 19.Qd5= Bc2 20.Qa5 d1Q 21.Rad1 Bd1 22.Bc3 b6 23.Qa7 Qc4 24.Qa3 Ba4 25.d5 h6 26.Rc1 Re2 27.h3 Ra2 28.Qe7 Qf4 29.Qd8 Kh7–+ 30.Rf1 Bb5 31.Qf8 Qg5?? 32.h4 Qg4 33.Re1 Rc2 34.Be5 f5?? 35.Bg7!+– Re2 36.Qh8 Kg6 37.Qh6 Kf7 38.Qf6 Kg8 39.Re2 Be2 40.Qf8 Kh7 41.Be5 f4 42.h5! Qg8 43.Qf5 Kh6 44.Bf4 1–0. Zielinska,Marta (2395) – Dworakowska,Joanna (2350), Poland–chT Glogow, 2001.

9.d3 Bg4 10.a3 Bd6 11.Nbd2 Rfe8 12.c4 Be6 13.cd5 Nd5 =.

9.d4 Rfe8 10.Nbd2 (10.c4 dc4 11.Bc4 Rad8+=) 10...a6 (10...Ne4 11.Rb1+=) 11.c4 Rad8 (11...dc4 12.Nc4 b5 13.a3 bc4 14.ab4 Qb4 15.Qc1=) 12.a3 Ba5 (12...Bd2 13.Nd2 dc4 14.Bc4=) 13.cd5 (13.Rc1 Bd2 14.Nd2 dc4 15.Bc4 Rd6=) 13...Rd5 (13...Nd5 14.Rc1=) 14.Nc4 Be4 (14...Ne4 15.Na5 Na5 16.Qa4=) 15.Rc1 b5 (15...Red8 16.Ncd2=) 16.Na5 (16.Ncd2 Na7+=) 16...Na5= 17.Ne5 (17.Nd2 Bf5=) 17...c5 18.Rc5 Rc5 19.dc5 Qc5 20.Nd7 Nd7 21.Qd7 Qc6 (21...Qc8 22.Qd4 f6 23.Rd1=) 22.Qd4 (22.Qc6 Bc6 23.Rc1 Rc8=) 22...Qg6 23.f3 Bf5 24.Rd1 h5 (24...Bh3 25.g3=) 25.Bd3 (25.e4 Bh3 26.Qf2 Rc8=) 25...Bd3= 26.Rd3 Nc4 27.e4 Re6 28.Qd8 Kh7 29.Ba1 f5 (29...Rd6!? 30.Rd6 Qd6 31.Qd6 Nd6=) 30.Rd7+= Ne5 31.Be5 Re5 32.Qc7 Qf6 (32...Re8 33.Rd6 Re6 34.e5=) 33.Rf7+/– Qg6 34.Qe5 Qf7 35.Qf5 (35.ef5 h4 36.f4=) 35...Qf5+= 36.ef5 a5 37.Kf2 a4 38.Ke2 b4 39.Kd1 (39.Kd3 b3=) 39...b3 40.h4 Kg8 41.g4 Kf7 42.g5 Ke7 43.f4 Kf7 44.Kd2 Ke7 45.Kc3 Kf7 46.Kb2 Ke7 ½–½. Andrade,Leo Pasqualini De – Pontes,A, IRT Aniversario, 2009.

9.Re1 A) 9...Rae8 10.a4 Qe6 11.Ng5 Qd7 12.Bf6 gf6 13.Nf3 Ne5=; B) 9...a6 10.a3 Bd6 11.d3 Rfe8 12.Nbd2 b5 13.a4 b4=+; C) 9...Bd6 10.d3 Rae8 11.Nbd2 a6 12.c4 dc4 13.Nc4 Bb4=+; D) 9...Rfd8 10.a3 Bd6 11.d3 Re8 12.Nbd2 Be6 13.Ng5 Ne5=; E) 9...Rad8 10.Bb5 Rfe8 11.Bd4 Qe6 12.c3 Be7 13.Qa4 a6=; F) 9...Be6 10.a3 Bd6 11.Nc3 a6 12.Bd3 Ne5 13.Ne5 Be5=+; G) 9...Rfe8 10.Nc3 a6 11.a3 Bd6 12.d3 b5 13.Nd5 Nd5=+.

9.a3 Bd6

10.Nc3 a6 11.d3 Rfe8 12.Re1 b5 13.Nd5 Nd5 =+.

10.Nc3 a6 11.Nh4 (11.d3 Rfe8 12.Re1 b5 13.Nd5=+) 11...Be6 12.Nf3 Rfe8 13.Re1 (13.a4=+) 13...h6 14.d4 Bf5 15.Bd3 Qe6 16.Bf5 Qf5 17.Nh4 Qe6 18.Qd3 Ne4 19.Ne4 de4 20.Qb3 Qg4 21.g3 b5 22.Qc3 Ne7 23.Ng2 Red8 24.Red1 c6 25.Rac1 Rdc8 26.Qd2 Rab8 27.Re1 (27.Qa5 Rd8=+) 27...Nd5 28.c4 bc4 29.Rc4 Qh3 30.Rec1 Nf6 31.Rc6 (31.Ne1 Ng4 32.R4c2 Nh2 33.Qd1–+) 31...Rc6 32.Rc6 Ng4 33.Rd6 Qh2 34.Kf1 Qh1 35.Ke2 Qg2 36.Kd1 Nf2 37.Kc2 Qf1 38.Bc1 (38.d5 Nd3 39.Kc3–+) 38…Qc4 (38...Qc4 39.Qc3 Qa4 40.Qb3 Qb3 41.Kd2 Qd1 42.Kc3 Qc1#) 0–1. Gerold,Guenter – Pauwels,Christophe, corr ICCF EU/M/1236, 2000.

10.c4 dc4 11.Bc4 Be6 12.Be6 Qe6 13.Nc3 a6 14.d4 Nd5 15.Nd5 Qd5 16.e4? (better is 16.Nd2!?=) 16...Qe4–/+ 17.Re1 Qd5 18.Qc2 Rfe8 19.h3 Rad8 20.Re8 Re8 21.Rc1 f6 22.Kf1 Qb5 23.Qc4 Qc4 24.Rc4 Ne7 25.a4 Nd5 26.Rc2 Kf7 27.Re2 Re2 28.Ke2 Nf4 29.Kf1 Ke6 30.h4 Kd5 31.g3 Nd3 32.Ba1 c5 33.Ke2 c4 34.Ne1 Ne1 35.Ke1 b5 36.ab5 ab5 37.Kd2 h5 38.Ke3 g6 39.f4 b4 40.Bb2 c3 41.Bc1 (41.Bc3 bc3 42.Kd3–+) 41...b3 42.Kd3 b2 (42...b2 43.Bb2 cb2–+) 0–1. mr5reasons1 – patgroen (1620), gameknot.com, 2012.

10.d3 a6 11.Nbd2 b5 12.a4 Rfe8 13.ab5 ab5 =.

10.d3 Rfe8 11.Nbd2 Be6 12.Qb1 Rab8 13.c4 =.

10.d4 Ne4 11.Nbd2 Nd8 12.c4 Nd2 13.Qd2 c6 14.cd5 cd5 15.Rfc1 Nc6 16.Bd3 Bg4 17.Be2 f5 18.h3 Bh5 19.Ne5 Be5 (19...Ne5? A) 20.Bh5?! Nc4 21.Qc2 Qe6= (worse is 21...Na3 22.Ba3 Ba3 23.Rcb1+=; worse is 21...Ba3 22.Ba3 Na3 23.Qc7 Qc7 24.Rc7+/–; 21...Nb2?! 22.Qb2 f4 23.Qb3=); B) 20.de5 Be5 21.Bh5 Bb2 22.Qb2+–) 20.de5 Be2 21.Qe2 a6 22.f4 Rad8 23.a4 Qe6 24.Ba3 Rf7 25.Qe1 d4 26.Bd6 de3 27.Bc5 Rd3 28.Be3 Rfd7 29.Rd1 Qb3 30.Rd3 Rd3 31.Bc5 Qd5 32.Bf2 Kf7 33.Rb1 Ke6 34.Kh2 b5 35.ab5 ab5 36.Qe2 g6 37.Rc1 Ne7 38.Rc5 Qb3 39.Rc7 Qd5? 40.Rc5 Qe4 41.Qa2 Rd5?? 42.Qa6+– Kd7 43.Qb5 Ke6 44.Qa6 Kd7 45.e6! Ke8 46.Qb5 Kf8 47.Qb8 Kg7 48.Qb2 Kh6 49.Rc7 Qf4 50.Bg3 Qg5 51.h4 Qe3 52.Re7 f4 53.Qg7 Kh5 54.Qh7 (54.Qh7 Kg4 55.Qg6 Rg5 56.Qg5) 1–0. Achtmann,Armin – Faqiry,R (1975), Wiesbaden GER, 2011.

9.c4 dc4

10.Bc4 a6 11.a3 Bd6 12.d4 Rfd8 13.Bd3 Bd3 14.Qd3 =.

10.Bc4 a6 11.Nc3 A) 11...Rfe8 12.Nd5 Nd5 13.Bd5 Bd3 14.Re1=; B) 11...Be6 12.Be6 fe6 13.a3 Bd6 14.d3=; C) 11...Rad8 12.a3 Bc3 13.Bc3 b5 14.Be2=; D) 11...Rfd8 12.d4 Rab8 13.Rc1 Bd6 14.Qe2=; E) 11...b5 12.Nd5 Nd5 13.Bd5 Qd6 14.e4=; F) 11...Qc5 12.Be2 Rad8 13.a3 Bc3 14.Bc3=.

10.Bc4 a6 11.d3 Na5 12.Bb3 Rad8 13.Bc2 Rfe8 14.Nh4 =+.

10.Bc4 a6 11.d4 A) 11...Rfd8 12.Bd3 Qe6 13.Nc3 Bd3 14.Qd3=; B) 11...Rad8 12.Qc1 Qd7 13.Ba3 Bd6 14.Bd6=; C) 11...Be6 12.Bd3 Bg4 13.h3 Bh5 14.a3=; D) 11...Rae8 12.Nc3 Bd6 13.Rc1 Bg4 14.h3=; E) 11...Rab8 12.a3 Bd6 13.Bd3 Qe6 14.Nc3=; F) 11...Rfe8 12.a3 Bd6 13.Nc3 Rab8 14.Bd3=+.

10.Bc4 Bd6 11.Bb5 A) 11...Bd7 12.d4 Rad8 13.Nbd2 a6 14.Bc4=; B) 11...Ne5 12.Be5 Be5 13.d4 Bd6 14.Bd3=; C) 11...Nb4 12.Nc3 c6 13.Nd4 Bg6 14.Bc4–/+.

10.Bc4 Bd6 11.Nc3 A) 11...Rad8 12.Nb5 a6 13.Nd6 Qd6 14.a4=; B) 11...Rfd8 12.Nb5 Be6 13.Be6 fe6 14.Nd6=; C) 11...Be6 12.Be6 fe6 13.Qb3 Rab8 14.Ng5=; D) 11...Rfe8 12.Nb5 Rac8 13.d3 a6 14.Nd6=; E) 11...Na5 12.Be2 a6 13.Rc1 Rfe8 14.d3=; F) 11...Rae8 12.Nb5 a6 13.Nd6 Qd6 14.d4=; G) 11...a6 12.d3 Na5 13.Nd5 Nd5 14.Bd5=+.

10.Bc4 Bd6 11.d3 Rad8 12.Nbd2 Na5 13.Nd4 Bg6 14.Rc1 =+.

10.Bc4 Bd6 11.d4 A) 11...Rfe8 12.d5 Ne5 13.Ne5 Be5 14.Be5=+; B) 11...Rfd8 12.Qe2 Re8 13.Rc1 Rad8 14.Nbd2=; C) 11...Rae8 12.Nc3 a6 13.Rc1 Bg4 14.h3=; D) 11...Be6 12.Nbd2 Rad8 13.Be6 Qe6 14.Qb3=; E) 11...Rad8 12.Bd3 Bd3 13.Qd3 Nb4 14.Qb3=; F) 11...a6 12.d5 Ne5 13.Ne5 Be5 14.Qc1=+.

10.Bc4 Rfd8 11.a3 A) 11...Bc5 12.d4 Bd6 13.Nc3 Na5 14.Be2=; B) 11...Bd6=+ 12.d4 Rab8 13.Nc3 a6 14.Bd3=.

10.Bc4 Rfd8 11.Nc3 Bg4 12.d4 Ne5 13.Be2 Bf3 14.Bf3 c5 15.a3 cd4 16.ed4= Bc5 17.Nd5 Nd5=+ 18.Re1 Bd4 19.Bd4 Nf3 20.Qf3 Qd7 21.Rad1 f6 22.h4 Qf7 23.h5 b6 24.h6 g6 25.Bb2 Rac8 26.Rd2 Rd7 27.a4 Rcd8 28.Red1 Qe6 29.Re2 Qf5 30.Qb3 g5 31.Rde1 Kf7 32.Re4 Rd6 33.g4 Qc8=+ 34.Kf1 Qa6 35.R1e2 Rc6 36.Re7+/– Kg8 37.Rg7 Kh8 38.Qb5 Qb5 39.ab5 Rcc8 40.Re6+– Nf4 41.Bf6 (41.Bf6 Ne6 42.Rg5 Ng7 43.Bg7 (43.hg7 Kg8 44.Bd8 Rd8+/–) 43...Kg8 44.Bf6 Kf7 45.Bd8 Rd8 46.Rg7 Kf6 47.Rh7+–) 1–0. 1ricardo (1700) – WarrenW (2075), internet, 2008.

10.Bc4 Rfd8 11.d4 A) 11...a6 12.Bd3 Qe6 13.Nc3 Bd3 14.Qd3=; B) 11...Be6 12.Be6 Qe6 13.Qb3 Qb3 14.ab3=; C) 11...Bg4 12.a3 Bd6 13.Nbd2 Be6 14.Qc2=; D) 11...Ne4 12.a3 Bd6 13.Bd3 Bg4 14.h3=; E) 11...Na5 12.Bd3 Bd3 13.Qd3 Ne4 14.a3=; F) 11...Rab8 12.Bd3 Bd3 13.Qd3 Bd6 14.Ba3=; G) 11...Bd6 12.Nc3 a6 13.Rc1 Re8 14.Ng5=.

10.Bc4 Rfd8 11.Ng5 Bg6 12.Nf3 Na5 13.Be2 Bd6 14.d3 =.

10.Bc4 Be6 11.Bb5 Bd7 12.d4 .a6 13.Bd3 Rfe8 14.a3 =.

10.Bc4 Rae8 11.Nc3 A) 11...Bg4 12.a3 Bf3 13.Qf3 Ne5 14.Qe2=; B) 11...a6 12.d4 Bd6 13.Rc1 Bg4 14.h3=; C) 11...Qc5 12.d3 Na5 13.a3 Bc3 14.Bc3=; D) 11...Rd8 12.a3 Bc3 13.Bc3 Ne4 14.Qb3=.

10.Bc4 Rae8 11.d3 Na5 12.Nd4 Bd7 13.Bb5 c6 14.Ba4 =+.

10.Bc4 Rae8 11.d4 a6 12.Bd3 Qe6 13.Bf5 Qf5 14.Qb3 =.

10.Bc4 Bg4 11.d4 Rad8 12.a3 Bd6 13.Nbd2 Be6 14.Bd3 =.

10.Bc4 h6 11.a3 Bd6 12.d4 a6 13.Nbd2 Na5 14.Ba2 Rad8 (14...Rfd8 15.Qe2=) 15.Re1 Ne4 (15...c6!?=) 16.Ne4+= Be4 17.Nd2 Bh7 (17...Bc6 18.e4 Qg5 19.Bc3+/–) 18.e4+/– Kh8 (18...Ba3?? 19.Ba3 Qf6 20.Bf8 Kf8 21.Nf3+–) 19.Qa4 Nc6 20.Qb3 (20.Nf3 Qe8+/– (20...Be4? 21.d5 f5 22.dc6+–)) 20...b5 (better is 20...Bc5!? 21.dc5 Rd2+–) 21.Rac1+/– Nd4 22.Bd4 Ba3 23.Rc7! Qc7 24.Qa3 Rfe8 25.Bc3 Qb7 26.Ba5 Rd4 27.Qb2 Rd7 28.e5 Bf5 29.Nf3 Be4 (29...Be6!? 30.Bb1 Rc8+/–) 30.e6+– fe6 31.Ne5 Bg2 32.Bb1 (32.Nd7?! Bh3 33.f3 Qd7+/–) 32...Bh3 33.Be4 Qc8 34.Rc1 Rd4 35.Ng6 (35.Ng6 Kh7 36.f3 Re4 37.Rc8 (37.fe4?! Qd7 38.Nf4 e5 39.Nh3 Qh3=) 37...Rc8 38.fe4 Kg6 39.Qb3+–) 1–0. gioco1b4 (2500) – Langbein (2520), 2013.

10.Bc4 Na5

11.Be2 Rfd8 12.Qa4 Bd7 13.Bf6 Ba4 14.Be7 =.

11.Be2 Rae8 12.Nc3 Nc6 13.Qa4 a5 14.a3 =.

11.Be2 Rfe8 12.Qa4 Nc6 13.Qb5 Bc8 14.a3 =.

11.Be2 Rad8

12.a3 Bd6 13.Qa4 Nc6 14.Nc3 =.

12.Qa4 Nc6 13.Qb5 Bc8 14.Qg5 =.

12.Nc3 c5 13.a3= Bc3 14.Bc3 Nc6 15.d4 ½–½. Brinkmann,Wilhelm – Skaug,Thorbjoern, corr ICCF TT–4–90, 1990.

12.d3 Nc4 13.Bc3 Nd5 14.Bb4 –/+.

12.Nd4 Bd7 13.Qc2 Nc6 14.Rc1 =.

10.Bc4 Rad8

11.a3 Bd6 12.d4=+ Rfe8 13.Bb5 Bd7 14.Qb3 =.

11.Qa4 A) 11...Bg4 12.a3 Bd6 13.Be2 Be6 14.Qb5=+; B) 11...Nd7 12.Qb5 Be4 13.Qg5 Qg5 14.Ng5=+; C) 11...Be4 12.a3 Bd6 13.Ne1 Ne5 14.Be2=+.

11.Nc3 A) 11...Bg4 12.Be2 Rfe8 13.d4 Qe6 14.Qb3=; B) 11...Na5 12.Be2 Be6 13.Qa4 Bc4 14.Bc4=; C) 11...a6 12.a3 Bc3 13.Bc3 b5 14.Be2=; D) 11...Be6 12.Be6 Qe6 13.Nb5 a6 14.Nfd4=; E) 11...Rfe8 12.d4 Bg4 13.Bb5 Qe6 14.a3=+.

11.d3 Na5 12.Nd4 Qe5 13.Qc2 Nc4 14.Qc4 –/+.

11.d4 A) 11...a6 12.Bd3 Bd3 13.Qd3 Qe6 14.Qb3=; B) 11...Rfe8 12.a3 Bd6 13.Bb5 Bd7 14.Bd3=; C) 11...Bg4 12.a3 Bd6 13.Nbd2 Be6 14.Bd3=; D) 11...Bd6 12.Nc3 a6 13.Bd3 Bd3 14.Qd3=.

10.Bc4 Rfe8

11.a3 A) 11...Bc5 12.d3 Na5 13.Ba2 Rad8 14.Ne5=; B) 11...Bd6 12.Bb5 Bd7 13.d4 Rab8 14.Bd3=.

11.Qb3 Na5 12.Bf7 Kf8 13.Bf6 gf6 14.Qa4 =.

11.Nc3 A) 11...Qc5 12.Be2 Nd5 13.Rc1 Rad8 14.d4=; B) 11...Bg4 12.d4 Rad8 13.Bb5 Qe6 14.a3=; C) 11...a6 12.Nd5 Nd5 13.Bd5 Bd3 14.Re1=; D) 11...Na5 12.Be2 Rad8 13.a3 Bd6 14.Nb5=; E) 11...Rad8 12.Bb5 Bd7 13.a3 Bd6 14.d4=+.

11.d3 Na5 12.Bb5 c6 13.Ba4 Rad8 14.Nd4 =+.

11.d4 A) 11...Bg4 12.a3 Bd6 13.Nbd2 a6 14.Qc2=; B) 11...Bd6 12.d5 Ne5 13.Ne5 Be5 14.Be5=+; C) 11...Rad8 12.Bb5 Be4 13.a3 Bd6 14.Nc3=; D) 11...a6 12.a3 Bd6 13.Nc3 Rab8 14.Bd3=+.

11.Ng5 Bg6 12.d4 Na5 13.Bd3 Nd5 14.Bg6 =+.

9.d3 a6

10.a3 Bd6 11.Nbd2 b5 12.a4 Rfe8 13.ab5 ab5 =.

10.a4 Rae8 11.Nbd2 Bd6 12.c4 Be6 13.Rb1 b6 =.

10.Bc3 Rfe8 11.Bb4 Qb4 12.Nbd2 d4 13.ed4 Nd4 =+.

10.Nbd2+= b5 11.a3 Bd6 12.c4 dc4 13.dc4 b4 (13...Rab8!?+=) 14.c5= Bc5 15.Qc1 Nd7 16.ab4 Nb4 17.Qc3 f6 18.Ra5 (18.Bc4 Kh8=) 18...Be6 (18...Nc6 19.Rc5 Qc5 20.Qb3 Kh8 21.Rc1+=) 19.Bc4 Nd5 20.Qc1 (20.Qc2 c6+=) 20...c6= 21.Ra6 Ra6 22.Ba6 Rb8 23.Bc4 Nb4 (23...Bf7 24.Rd1=) 24.Rd1 Bc4 25.Nc4 Qe6 26.Nd4 Qf7 (26...Bd4 27.Bd4 c5 28.Bb2=) 27.Ba3 Bf8 28.f4 c5 29.Nf5 Qe6 30.Nfd6 f5 31.Bb2 Rd8 32.e4 fe4 33.f5 Qe7 34.Nb7 ½–½. Hoch,Hubertus (2105) – Walters,Gary (2110), WS/M/165 ICCF, 2008.

10.Nbd2 Rae8 11.Rb1 b5 12.Nb3 Bd6 13.Qd2 Bg4 =.

10.Nbd2+= h6 11.c4 Rad8 12.Bf6 Qf6 13.cd5 +/–.

9.d3 Rad8

10.a3 Bd6 11.Nbd2 Ne5 12.Ne5 Be5 13.d4 Bd6 14.c4 c6 15.Re1 Bb8 16.Nf1 Qd6 17.a4 dc4 18.Ba3 Qd5 19.Bf8 Kf8 20.Qc1 b5 21.ab5 cb5 22.Bf3 Be4 23.Qa3 Kg8 24.Nd2 Bf3 25.Nf3 Ne4 26.Qb4 Bd6 27.Qa5 Bb8 28.Rab1 Nd6 29.Qd8 1–0. whitecat25 – craig4000, ChessWorld.net, 2014.

10.a3 Bd6 11.Nbd2 Rfe8 12.c4 Be6 13.Qc2 dc4 =.

10.Nc3 a6 11.a3 Bd6 12.Qb1 Rfe8 13.Na2 Bg4 =+.

10.Nbd2 Bc5 11.Nb3 Ba3 12.Qc1 Bb2 13.Qb2 b6 14.Nbd4 Nd4 15.Nd4 Bd7 16.Qb3 c5 17.Qa3 Rfe8 18.Nf3 d4 19.e4 Bg4 20.Rfe1 Qc7 21.c3 dc3 22.Qc3 Nh5 23.g3 Nf6 24.a4 Nd7 25.Nd4 Ne5 26.Nb5 Qd7 27.Bg4 Qg4 28.Re3 Qd7 29.Qc2 Ng4 30.Rf3 Re6 31.Kg2 Ne5 32.Re3 Rh6 33.Rh1 Nd3 34.Qb3 Nf2! 35.Kf2 Rf6 0–1. Kappel,Ray – Jenneborg,Seved (1660), 32. LSS No Engine Cup Preliminary, 2010.

10.Nbd2 Rfe8 11.Nb3 h6 12.a3 Bd6 13.Qd2 a6 14.Rfe1 Ne5 15.Nh4 Bh7 16.g3 c5 17.d4 Nc4 18.Bc4 dc4 19.Na5 Ne4 20.Qe2 c3 21.Bc1 cd4 22.ed4 Qc7 23.Nc4 Nf6 24.Be3 Bf8 25.Ne5 Nd5 26.Ng2 f6 27.Nf3 Qa5 28.Qd1 Be4 29.Ngh4 Qa4 30.h3 Bc2 31.Qc1 Be4 32.Nh2 Qc4 33.N4f3 b5 34.Rf1 Rc8 35.Ne1 a5 36.Nhf3 b4 0–1. Larrass – Hill, corr WCCF 1993.

10.Nbd2 Bg6 11.a3 Ba5 (11...Bc5 12.Nh4=) 12.Nb3 Rfe8 (12...Bb6 13.a4 Na5 14.Nh4=) 13.Na5+= Na5 14.Bc3 Nc6 15.Qb1 b6 16.Qb2 Bh5 17.a4 Bf3 18.Bf3 (worse is 18.gf3 d4 19.Bd2 Nd5–/+) 18...Ne5 19.Be2 Rb8 20.Rae1 Ned7 21.g3 Qd6 22.Bf3 h6 23.Bg2 a5 (23...Rbd8 24.Rb1+=) 24.e4+= de4 25.de4 Qe6 26.e5 Nd5 27.f4 Nc3 28.Qc3 g6 (28...Rbd8 29.Bc6 Rf8 30.f5+=) 29.Rf2 (29.Qc7!? Rbc8 30.Qd6+=) 29...Rbd8 (29...Nc5 30.Rd2=) 30.Qc7+= Rc8 31.Qb7 Nc5 32.Qf3 Re7 (32...Na4 33.f5 Qf5 34.Qb3+=) 33.Qe2 (33.Qa3!?+=) 33...Na4= 34.f5 gf5 35.Qh5 Rce8 (35...Rc5 36.Rf5 Nc3 37.Bh3+/–) 36.Rf5+= Qg6 37.Qh3 (37.Qf3 Nc5+=) 37...Nc5 (37...Nc3 38.Rf4 Qe6 39.Rg4 Kh7 40.Re3=) 38.Bd5 Nd7 (38...b5 39.Ref1 Ne6 40.Qh4+/–) 39.Qf1 (39.Rf7 Rf7 40.Qd7 Kg7 41.Bf7 Qf7+/–) 39...Kg7 (39...b5 40.Re2 Kg7 41.Ref2 Ne5 42.Qb5+/–) 40.Qf4 b5 41.h4 f6? (better is 41...Kg8+=) 42.e6+– Ne5?? (42...Rf8+–) 43.Ree5 (43.Ree5 fe5 44.Qe5 Kg8 45.h5+–) 1–0. almanzor1 (2370) – antinephilehi (1995), gameknot.com, 2014.

8.0–0 Be7

9.Nc3 a6 10.Nh4 Bc8 11.Nf3 Re8 12.Rb1 Bd6 13.Re1 Bf5 14.d3 b6 15.Nh4 (15.Qd2 Qe7=) 15...Be6 16.Nf3 Qe7 17.Nd2 (17.Qd2 Ne5=+) 17...d4 (17...b5 18.Nf3=+) 18.ed4 Nd4 19.Bf3 Nf3 20.Qf3 Ba3 (20...Qd7 21.Nde4 Ne4 22.Re4=+) 21.Ba3= Qa3 22.Nb3 (22.Qc6 Rad8=+) 22...Qb4 (22...Rad8 23.Re2=+) 23.Ne4 (23.Qc6 Kh8=) 23...Ne4=+ 24.Re4 Qa3 25.Ra1 (25.Rbe1 Qa2 26.Nd4 Bd7=+) 25...Rad8 26.d4 Qb2 27.Qe2 Bd7 (27...a5 28.c3 Qc3 29.Rc1–/+) 28.Re8 (28.Re1 h6 29.Qa6 Re4 30.Re4 Qc2–/+) 28...Re8=+ 29.Qa6 Qc2 30.Rc1 (30.Qf1 c6=+) 30...Qc1 (30...Qe4 31.Qf1 c6 32.h3=+) 31.Nc1= Re1 32.Qf1 Rf1 33.Kf1 Be6 34.Ke2 (34.a3 Bc4 35.Ne2 Kf8=) 34...f5 (34...Bd5 35.f3=+) 35.Ke3 (35.a3 Bd5=) 35...g5 36.g3 Kf7 37.f4 (37.a3 Bc4=+) 37...g4 38.Kd3 Ke7 (38...Bd5 39.a3=+) 39.a3 Kd6 40.Ne2 Bb3 41.Nc3 h6 42.Kd2 ½–½. Gerold – Rautenberg, corr, 1999.

9.d3 Nb8 10.Nbd2 c5 11.Rb1 b6 12.c4 dc4 13.Nc4 Nc6 14.Nfe5 Ne5 15.Be5 (15.Ne5 Qd6=) 15...Qd7 16.e4 (16.Qc2 b5 17.Nd2 Rfd8=) 16...Be6 17.Qc2 Rac8 (17...Rfd8 18.Rfe1=+) 18.Ne3 (18.f4 Ng4=) 18...Ng4 (18...Qd8 19.Qb2=) 19.Bg4 Bg4 20.Bc3 (20.Qc3 Be2 21.Rfe1 Qd3+=) 20...Rfd8 (20...Be6 21.f4 Rcd8 22.Rbd1=) 21.Qb2 (21.Ng4 Qg4 22.a4 Qf4=) 21...Bf8 (21...Be6 22.Bg7 Qd3 23.Bh8=) 22.f3 (22.Ng4 Qg4 23.Rfd1 Rc6=) 22...Be6=+ 23.Rbd1 Qa4 24.a3 (24.Rf2 b5=+) 24...Qa6 25.f4 (25.Qc2 Qa3 26.Nc4 Qa6–/+) 25...Rd3 26.f5 Bc4 (better is 26...Bb3 27.Qb3 Re3–/+) 27.Ng4? (better is 27.Rfe1–/+) 27...Rd1–+ 28.Rd1 Be2 29.Bg7?? Bg7 30.Nf6 Bf6 31.Qf6 Bd1 32.Qg5 Kf8 33.f6 Qc4 34.Qg7 Ke8 (34...Ke8 35.h3 Bc2–+) 0–1. Mashinskaya,Iulia (2305) – Ambarcumova,Karina, RUS–chT1 (Women), 2002.

9.d3 Qd6 10.Nbd2 Nd7 11.c4 Nce5 12.Ne5 Ne5 13.Be5 Qe5 14.cd5 c6 (14...Qd5? 15.e4 Qe6 16.ef5 Qf5 17.Rb1+–) 15.dc6 bc6 16.Nc4 Qf6 17.Rb1 Rfd8 18.Qc2 Rab8 19.Rb8 Rb8 20.Bf3 Rd8 21.Be4 Be4 22.de4 Bd6 23.Rb1 Qe7 24.g3 Bb4 25.Qa4 c5 26.Qc6 Qe6 27.Qe6 fe6 28.a3 Bd2 29.Kf1 h5 (better is 29...Kf8+–) 30.Ke2 Bc3 31.e5 Rd5 32.f4 g5 33.Rc1 gf4 34.gf4 Bb4 35.ab4 (35.ab4 cb4 36.e4+–) 1–0. BlackDemon (2610) – JohnMartin (1650), FICS rated standard game, 2013.

9.d3 Qd7 10.Nbd2 Rad8 (10...Rfe8 11.Rb1=) 11.a4 (11.Re1 Rfe8=) 11...h6 (11...b6 12.Nb3=) 12.Qb1 (12.Rb1 b6=) 12...g5 (12...Rfe8 13.Nb3=) 13.Rd1 (13.Nb3 Rfe8+=) 13...Qe6 (13...Rfe8 14.e4 Be6 15.c4 dc4 16.d4+=) 14.Nb3 Bg6 15.a5 Ng4 (15...Rfe8 16.a6 b6 17.Bc3+=) 16.Nfd4+/– Nd4 17.Bd4 (17.Nd4 Qd7+/–) 17...b6+= 18.ab6 (18.Qb2 f5+/–) 18...ab6 19.Ra7 (19.Qb2 f5+=) 19...Bd6 20.h3 Ne5 21.Ba1 (21.Bc3 c5+=) 21...g4 (21...Ra8!? 22.Ra8 Ra8=) 22.Nd4+/– Qc8 (22...Qd7 23.hg4 Ra8 24.Ra8 Ra8 25.Qb5+/–) 23.h4 (23.hg4!? Ng4 24.Nc6+/–) 23...c5 (23...g3 24.fg3 Ng4 25.Nc6=) 24.Nb5+= Bb8 25.Ra4 Qf5 26.Rf4 (26.Nc3 Bc7+=) 26...Nf3 27.gf3 Bf4 28.ef4 gf3 29.Bf3 Qf4 30.Bg2 Bh5 (30...Rfe8!?=) 31.Qc1 (better is 31.Re1+=) 31...Qb4?? (31...Qg4 32.f3 Qg6 33.Kh2=) 32.Re1?? (better is 32.Qh6 d4 33.Nd4 cd4 34.Qh5+–) 32...Kh7 33.Be5?? Rg8?? 34.Bg3?? Rd7?? 35.Nc3?? f5?? 36.Nd5+– Rd5 37.Bd5 Rg7 38.Bg2 f4 39.Qf4 Qf4?? 40.Bf4+– Bf3 41.Bg3 Bg2 42.Kg2 b5 43.Re5 c4 44.dc4 bc4 45.Rc5 Kg6 46.Rc4 Kf5 47.Rc6 Ke4 48.Rh6 Rd7 49.Rd6 Ra7 50.h5 Rh7 51.h6 Kf5 52.c4 Kg5 53.c5 Kg4 54.c6 Kf5 55.c7! Rc7 56.Rd5 Ke6 57.Bc7 Kd5 58.h7 (58.h7 Ke6 59.h8Q Kd7 60.Qg7 Kc6 61.f4 Kd5 62.Qd7 Kc5 63.f5 Kc4 64.f6 Kc3 65.Be5 Kb3 66.Qb5 Kc2 67.Qc4 Kd2 68.Bf4 Kd1 69.Qd3 Ke1 70.Bg3#) 1–0. Mamuzic,Mirko – Fridvalszki,R, 10th Battle of Senta, 2006.

9.d3 Qd7 10.Nbd2 Rad8 11.Nb3 (11.Re1 Rfe8=) 11...a6 (11...Rfe8 12.a4=) 12.Rb1 Ne8 (12...b6 13.Qd2=) 13.Qd2 Bb4 (13...Bd6 14.Rfe1=) 14.Qc1 (14.Ne5 Qd6 15.c3 Ne5 16.cb4 Nf6+=) 14...Qe7 (14...Bd6 15.Re1=) 15.Nbd2 (15.Nbd4 Nd4 16.Nd4 Bg6=) 15...Nd6 (15...b5 16.a3 Bd6 17.Ra1=) 16.a3 (16.c3 Bc5=) 16...Ba5 (16...Bc5 17.Nb3 Bb6 18.Qd2=) 17.Nb3 Bb6 18.Qd2 Bg6 (18...Rfe8 19.a4=) 19.a4 Nf5 20.a5 Ba7 21.d4 (21.Rfe1 Rfe8=) 21...Rfe8 22.Rfe1 (22.Rfd1 Nh4=) 22...Nd6 23.Qc1 (better is 23.Ba3=) 23...Nb4 24.Na1 Na2 25.Qd1 Ne4 26.Ne5 Nac3 27.Bc3 Nc3 28.Qd2 Nb1 29.Rb1 c5 30.Ng6 hg6 31.c3 Qc7 32.Qa2 cd4 33.cd4 Re6 34.Nb3 b5 35.ab6=+ Rb6 36.Ba6 Rdb8 37.Rc1 Qd6=+ 38.Bf1 Rb3 39.Qa7 R3b7 40.Qc5 Qd7 41.Bd3 Rb2 42.g3 Rd2 43.Qc3 Rbb2 44.Bc2+/– Rdc2 45.Rc2 Rc2 46.Qc2 Qe6 47.h4+– Qh3 48.Qc6 Qf5 49.Qe8 Kh7 50.Kg2 f6 51.Qe7 Kh6 52.f3?? Qc2= 53.Kh3 Qf2?? 54.Kg4 f5?? (better is 54...Qc2 55.Qd7 Kh7+–) 1–0. Valenta,Vit (2180) – Bukowska,Katarzyna (2015), Tatranske Zruby SVK, 2005.

9.d3 Qd7 10.Nbd2 Rfe8 11.Rb1 =.

9.d3 Re8 10.Nbd2 h6 (10...a6 11.Re1=) 11.Rc1 White has a cramped position (11.Rb1 Rb8=) 11...Bf8 (11...a5 12.Nd4 Bg6 13.Nc6 bc6 14.c4=) 12.c4 dc4 (12...Nb4 13.Nd4 Bg6 14.Qb3=) 13.Bf6 (13.Nc4 Qe7=) 13...gf6 (13...Qf6 14.Rc4 Rab8+=) 14.e4 (better is 14.Nc4 and White is still in the game 14...Rb8 15.e4+=) 14...cd3–/+ 15.Bd3 Qd3 16.ef5 Qf5 17.Qb3 Rab8 18.h3 (18.Nc4 Re2–/+) 18...Bd6 (better is 18...h5–/+) 19.Rc4? (better is 19.Rfd1–/+) 19...Na5–+ 20.Rg4?? terrible, but what else could White do to save the game? (better is 20.Qc2 Qc2 21.Rc2–+) 20...Qg4! Black has to consider giving back material 21.Qf7 (21.hg4 Nb3 22.ab3 (22.Nb3 Re2 Combination) 22...Re2 Combination) 21...Kf7 22.hg4 c5 23.Rd1 Rbd8 24.Nh4 Bf4 25.Nhf3 Bd2 26.Rd2 Rd2 27.Nd2 Re2 28.Nb3 0–1. Niephaus,Friedel – Roeckl,Adalbert, Pyramiden Franken Cup 4th, 2001.

8.0–0 h6

9.a3 Bd6 10.Bf6 Qf6 11.Nc3 =.

9.c3 Bd6 10.Qb3 Na5=+ 11.Qb5 c6–/+ 12.Qa4 b5 13.Qd4? Be4–+ 14.Ba3?? c5! 15.Bc5 Nc6 (15...Nc6 16.Bd6 Qd6 17.Bb5 Nd4 18.Nd4 Ng4–+) 0–1. jlepok (1835) – jaskier (2200), internet, 2007.

9.Nc3 Ne4 =.

9.d3 a6 10.a4 Bd6 11.Nbd2 Qd7 12.Nb3 Bg6 13.h3 Qe7 14.Nh4 Bh7 15.Nf3 Rad8 16.Qd2 Ne5 17.Ne5 Be5 18.Be5 Qe5 19.f4 Qe6 20.Bf3 Rfe8 21.Rfe1 Qd6 22.Qc3 b6 23.a5 b5 24.Nc5 Rb8 25.Qd4 Red8 26.Bg4 h5 27.Bf3= Bg6 28.Kf2 Nd7 29.Nd7 Rd7 30.Qe5 Qe5=+ 31.fe5 Re7 32.d4 Rc8 33.Bd5+/– c5 34.c3 cd4 35.cd4 Bd3 36.Kf3 Rc3 37.Be4 Bc4 38.g4 h4 39.g5 g6 40.Kg4+– Kg7 41.Kh4 Rc7 42.Kg3 Bd3 43.Bd3 Rd3 44.h4 Rcc3 45.Kf4 Ra3 46.Ra3 Ra3 47.Rc1 Ra5 48.Rc7 Ra1 49.e6 Kf8 50.Rf7 Kg8 51.Ke5 Rc1 52.Ra7 Rc6 53.d5 Rb6 54.d6 Kf8 55.Rf7 Ke8 56.d7 Kd8 57.Rf8 Ke7 58.d8Q# 1–0. Fredek (2090) – Guest159015, Freundschaftspartie, 5m + 0s, 2005.

9.d3 Qe7 10.Nbd2 Rad8 11.c4 dc4 12.Nc4 Ne4 13.Qc2 Nd6 14.a3 Nc4 15.Qc4 Bd6 16.Qc3+= f6 17.d4 Qf7= 18.Nh4 Be6 19.Qc2 f5 20.Bd3 Qh5 21.g3 Be7 22.Ng2= Bd6 23.Bc4 Qf7 24.Be6 Qe6 25.Rab1 Qa2 26.Qc3 Qd5 27.Ba1 b6 28.a4 a5?? 29.Rb5+/– Qe4 30.f3+– Qe8 31.d5 Be5 32.Qc6 Qe7 33.Qe6 Qe6 34.de6 Bd6 35.Be5 Bc5 36.Rc5! (36.Rc5 bc5 37.e7+–) 1–0. Schumacher,D – Montag,R, MVP, 1999.

9.d3 Re8 10.Nbd2 =.

9.d4 Qe7 10.c4+= dc4 11.Bc4 Rfd8 (11...Ne4 12.a3 Bd6 13.Nc3 Rad8 14.Bd3 Nc3 15.Bc3 Be4 16.Be4) 12.h3 (12.Nc3 Bc3 (12...a6 13.Rc1 Bc3 14.Bc3 Ne4 15.Bd3 a5 16.Qc2) 13.Bc3 a6= (13...Ne4 14.Qb3 Rab8 15.a4 Bg4 16.Nd2) 14.Nd2 b5 15.Qf3 Qd7 16.Bb3) 12...a6 (12...Ne4 13.a3 Ba5 14.Nbd2= Bd2 15.Nd2 Ne5 16.Be2) 13.a3= b5 (13...Ba5 14.Nc3 b5 15.Bd3 Bc3 16.Bc3) 14.Ba2 (14.Bd3 Bd3 15.Qd3 Ba5 16.Rc1) 14...Bd6 (14...Ba5 15.Nc3 Bc3 16.Bc3) 15.Nbd2 (15.Nc3 Na5 16.Nh4) 15...b4 (15...Bd3 16.Re1 b4 17.Qc1 ba3 18.Ba3 Ba3 19.Qc6+=) 16.Nc4 (16.d5 Ne5 17.ab4 Bg6+=; 16.Rc1+=) 16...Be6 (16...a5!?=) 17.Nd6+= Ba2 (17...cd6?? 18.d5 Nd5 19.Bd5 Bd5 20.Qd5 ba3 21.Bg7+– (21.Qc6?! ab2 22.Rab1 Rdc8+/–)) 18.Nf5 (better is 18.Nb7!? b3 19.Nd8 Nd8 20.d5+–) 18...Qe6+= 19.Qc2 (19.ab4 Bc4 20.Rc1 Bf1 21.Rc6 Qf5 22.Qf1+=) 19...Bb3?? (better is 19...Bd5 20.Ng3 b3–/+) 20.Qc6+= Qf5 (20...Qc6?? 21.Ne7 Kh7 22.Nc6 ba3 23.Ra3+–) 21.ab4 Bd5 22.Qc7 Rdc8 23.Qe5 Qg6 24.Nh4+/– Qc2 25.Ba3 Re8 26.Qf5 Be4 27.Qc5 Qb3 28.Nf5 Bd3 29.Nd6 Bf1+/– 30.Ne8 Re8 31.Kf1 Ne4 32.Qc1 Nc3 33.Qb2+– Qc4 34.Kg1 Re6 35.Kh1 Ne4 36.Rc1+– Qd3 37.Kh2 Nd6 38.Qc3 Qb5 39.Qc6 Qd3 40.Bb2 Rg6 41.Qc2 Qb5 42.Qc3 Qd5 43.f3 Qg5 44.g4 Qb5 45.Qe1 h5 46.Rc5+– Qb8 47.Kg2 hg4 48.hg4 Rh6 49.Rh5 Rh5 50.gh5 Qb5 51.h6 Nf5? 52.hg7+– Qd3 53.Kf2 Nd6 54.Qc3 Qf5 55.Ke2 Qh3 56.d5 Qg2 57.Kd3 Qf3+= 58.Qb3 ½–½. Sokac,Marko (1810) – Ivekovic,Bozidar (2205), Topusko CRO, Ch U17 (b), 2011.

9.a3 Be7

10.Nc3 a6 11.d4 Qd6 12.Bd3 Ne4 13.Nd2 Nc3 14.Bc3 Qg6 15.Bf5 Qf5 16.Re1 Rfe8 17.e4 de4 18.Ne4 Rad8 19.Qb1? (better is 19.Qd3!?+=) 19...Bh4–+ (19...Nd4?! 20.Bd4 Rd4 21.Qb7+=) 20.Nd2?? (better is 20.Ng3 Re1 21.Qe1 Bg3 22.fg3 Qc2 23.Rd1–+) 20…Bf2 (20...Bf2 21.Kh1 Re1 22.Qe1 Be1 23.Re1 Qc2–+) 0–1. Neumann,Frank (1650) – Kraft,Dieter (2460), RS–Pyramide remoteschach.de, 2009.

10.Nc3 Re8 =.

10.c4 a6 A) 11.cd5 A1) 11...Nd5 12.Nc3 (12.d4 Bf6 13.Nc3 Re8 14.Qb3 Be6 15.Qc2 Nc3 16.Bc3 Qd6 17.Bd3 b6 18.Nd2) 12...Nc3 13.Bc3 Qd5 14.d4 Rfd8 15.Bd3 b6 16.h3 Re8 17.Bf5 Qf5 18.Qa4; A2) 11...Qd5 12.Nc3 (12.d4 Qe6 13.Nc3 Rad8 14.Bd3 Rfe8 15.Re1 Bd3 16.Qd3 Na5 17.e4 Qc4 18.Qe2; 12.h3 Qc5 13.Nc3 Qb6 14.Na4 Qa5 15.Qb3 Qd5 16.Qd5 Nd5 17.Rac1 Rfe8 18.Nc5; 12.Nh4 Bd3 13.Nc3 Qd7 14.Nf3 Rfd8 15.Bd3 Qd3 16.Qb1 Bc5 17.Rc1 b6 18.Na4; 12.d3 Qb5 13.Qd2 Rad8 14.e4 Bg6 15.Qc2 Qc5 16.Qc5 Bc5 17.Nbd2 Rfe8 18.Rac1; 12.g3 Ne4 13.d3 Qb5 14.de4 Qb2 15.Nbd2 Bh3 16.Rb1 Qf6 17.Rb7 Bf1 18.Nf1) 12...Qe6 13.Nh4 Be4 14.f3 Bh7 15.f4 Nd7 16.f5 Qe5 17.Nf3 Qf5 18.e4; B) 11.Nc3 dc4 12.Bc4 b5 13.Be2 Bd3 14.Rc1 Rb8 15.Nb5 Be4 16.Nbd4 Nd4 17.Bd4 Ba3 18.Rc4; C) 11.d4 C1) 11...Qc8 12.Nc3 (12.cd5 Nd5 13.Nc3 Qe6 14.Qb3 Rad8 15.Nd5 Qd5 16.Bc4 Qd7 17.Bd3 Na5 18.Bf5; 12.Nbd2 Qe6 13.Qb3 Na5 14.Qa2 Rfd8 15.c5 Nc6 16.h3 Ne4 17.Qb3 Qg6 18.Kh1) 12...Qe6 13.h3 Rfe8 14.Qa4 b5 15.cb5 ab5 16.Qd1 Reb8 17.Nb5 Rb7 18.Nh4; C2) 11...Qd6 12.Nc3 (12.cd5 Nd5 13.Nc3 Rfd8 14.Bc4 Nc3 15.Bc3 Qg6 16.Re1 Be4 17.g3 b5 18.Be2; 12.Nbd2 Qe6 13.h3 Rfd8 14.Qb3 Na5 15.Qa2 Nc4 16.Nc4 dc4 17.Bc4 Nd5 18.a4) 12...Qe6 13.Ne5 Rfd8 14.cd5 Nd5 15.Nd5 Rd5 16.Bc4 Ne5 17.Bd5 Qd5 18.de5; C3) 11...b6 12.Nc3 (12.Bd3 Qd7 13.cd5 Bd3 14.Qd3 Nd5 15.Nc3 Rad8 16.Nd5 Qd5 17.e4 Ne5 18.Ne5; 12.Ne5 Qd6 13.Nd2 Ne4 14.Ne4 de4 15.c5 Qf6 16.cb6 cb6 17.Nc6 Qc6 18.d5; 12.Nbd2 Qd7 13.Ne5 Qe8 14.Rc1 Bd6 15.Ndf3 Be4 16.cd5 Bd5 17.Qc2 Nb8 18.Bd3; 12.cd5 Nd5 13.Nbd2 Nf6 14.Rc1 Qd7 15.Ne5 Ne5 16.de5 Nh7 17.e4 Rad8 18.ef5) 12...Qd6 13.h3 Rfd8 14.Rc1 dc4 15.Bc4 b5 16.Bd3 Qe6 17.Ne2 Bd3 18.Qd3; C4) 11...Na5 12.Nbd2 (12.cd5 Qd5 13.Nc3 Qb3 14.Qb3 Nb3 15.Rae1 c5 16.Bd1 c4 17.e4 Bg4 18.e5) 12...Rb8 13.cd5 Qd5 14.Ne5 Nc6 15.f4 Rbd8 16.Qa4 Qe6 17.Rac1 Rb8 18.Bc4; C5) 11...Qd7 12.Nc3 (12.cd5 Nd5 13.Nc3 Rfd8 14.Bc4 Nb6 15.Bb3 Be6 16.Be6 Qe6 17.Qc2 Rab8 18.h3; 12.Nbd2 Qe6 13.h3 Rfd8 14.c5 Rab8 15.Qa4 b5 16.Qb3 Ne4 17.Ne4 de4 18.Nd2; 12.Ne5 Qd6 13.Nc3 Ne5 14.de5 Qe5 15.Nd5 Qd6 16.Nf6 gf6 17.Qd6 cd6 18.Bd4) 12...Qe6 13.cd5 Nd5 14.Qb3 Rad8 15.Nd5 Qd5 16.Qd5 Rd5 17.Bc4 Rd6 18.d5.

10.c4 dc4 11.Bc4 Bd3 (11...Na5 12.Be2+= (12.Ba2 Bd3 13.Re1 Nc4 14.Bc4 Bc4 15.d4 c5 16.Qc2 Be6 17.Nc3 Rc8 18.Rad1) 12...c5 13.Nc3 Qb6 14.Na4 Qe6 15.Ne5 Rad8 16.g4 Be4 17.f3 Bd5 18.Qc2) 12.Bd3 Qd3 13.Ne1 (13.Nc3 Rad8+= (13...Nd7 14.e4 Nc5 15.Qb1 Rad8 16.a4 Rfe8 17.e5 Nb3 18.Qd3) 14.Qe2 Rfe8 15.Rab1 Bc5 16.Qd3 Rd3 17.Ne2 Ne4 18.Bc3) 13...Qa6 (13...Qb5 14.Qc2+= Rad8 15.Nc3 Qc4 16.d3 Qa6 17.d4 Qc4 18.Nf3) 14.d4 (14.Nf3 Qc4+= (14...Rfe8 15.Nc3 Rad8 16.d4 Bd6 17.g3 Qa5 18.Qd3) 15.Nc3 Rad8 16.Rc1 Rfe8 17.d4 Nd5 18.Nd2) 14...Na5 (14...Bd6 15.Nd3+= Rfe8 16.Nc3 Na5 17.Qc2 Nc4 18.Rfb1) 15.Qd3 (15.Nd2 c5+= (15...Rac8 16.Nef3 c5 17.Rc1 Rfd8 18.Qc2) 16.Nef3 Rac8 17.Rc1 Rfd8 18.Qc2; 15.Nc3 Nc4 16.Qc2 c5 17.Nf3 cd4 18.Nd4) 15...Nc4 (15...Qb6 16.Ra2+= c5 17.dc5 Qe6 18.Nc3) 16.Bc1 c5 (16...Rab8 17.Nf3 c5 18.Nc3) 17.dc5? (better is 17.Nd2!? b5 18.Nef3+=) 17...Rfd8–+ (17...Bc5?! 18.Nd2 b5 19.Qf5–/+) 18.Qf5 (18.Qc2 Rac8–+) 18...Rac8 19.Nc2? (19.Nd3 Qa4 20.Nb2 Nb2 21.Bb2 Rc5 22.Qf3–/+) 19...Rc5 (19...Bc5?! 20.Nd2 Nd6 21.Qe5–+) 20.Qd3 (20.Qh3 Rh5 21.Qg3–+) 20...Rd3 21.Nb4 Qd6 22.Nd3 Qd3 23.a4 Ne4 24.g3 Ng3! 25.fg3 (25.fg3 Bf6; 25.hg3 Bf6) 25...Ne3 26.Be3 Qe3 27.Kh1 (27.Rf2 Rc2 28.Nd2 Rd2 29.Raf1 Bc5 30.Kg2 Rf2 31.Rf2 Qf2 32.Kh3 Qf1 33.Kg4 f5 34.Kh5 Qh3 35.Kg6 Qg4) 27...Qe4 28.Kg1 Rc2 (28...Rc2 29.Nd2 Bc5 30.Rf2 Bf2 31.Kf2 Rd2 32.Kg1 Qg2#) 0–1. Neumann,Frank (1635) – Staats,Carsten (2305), RSS7E schnell–61, 2010.

10.c4 Re8 A) 11.cd5 A1) 11...Nd5 12.Nc3 (12.Qa4 Bf6 13.Nc3 Qd6 14.Qb3 Bc3 15.Bc3 a5 16.Qb2 Nc3 17.dc3 Rab8 18.Rad1; 12.d4 Bf6 13.Nc3 Qd7 14.Bc4 Nb6 15.Bd3 Rad8 16.h3 Bd3 17.Qd3 Qe6 18.Nd2; 12.g3 a6 13.Nc3 Nc3 14.dc3 Qd1 15.Rad1 Rad8 16.Nd4 Nd4 17.cd4 Rd5 18.Bf3) 12...Bf6 13.Qb3 Nc3 14.Bc3 Bc3 15.dc3 b6 16.Nd4 Nd4 17.cd4 Qd6 18.Rac1; A2) 11...Qd5 12.Qa4 (12.Nc3 Qc5 13.Qb3 Qb6 14.Nb5 Rad8 15.Rac1 Ne4 16.Bc4 Bg6 17.Nbd4 Nd4 18.ed4; 12.d4 Ne4 13.Nc3 Nc3 14.Bc3 Bd6 15.Nd2 Bg6 16.Bc4 Qh5 17.Qh5 Bh5 18.Bd3) 12...Rad8 13.Nc3 Qd7 14.Rac1 Bd3 15.Bd3 Qd3 16.Nb5 Nd5 17.Na7 Na7 18.Qa7; B) 11.h3 B1) 11...a6 12.d4 (12.cd5 Qd5 13.Nc3 Qe6 14.d4 Rad8 15.Bd3 Bc5 16.Bf5 Qf5 17.Qb3 Bb6 18.Rfd1) 12...Na5 13.Nbd2 c5 14.Bc3 Rc8 15.g4 Be4 16.cd5 Bd5 17.Qa4 Nc6 18.Rac1; B2) 11...b6 12.Qa4 (12.d4 Qd7 13.Nc3 Qd6 14.Nb5 Qd7 15.Ne5 Ne5 16.de5 dc4 17.Qd7 Nd7 18.Nc7; 12.cd5 Nd5 13.Nc3 Bf6 14.Qb3 Nc3 15.Bc3 Bc3 16.Qc3 Re6 17.d4 Rg6 18.Bd3) 12...Na5 13.cd5 Qd5 14.Nc3 Qb3 15.Nd4 Qa4 16.Na4 Bd7 17.Nc3 c5 18.Ndb5; B3) 11...Rb8 12.d4 (12.cd5 Nd5 13.Nc3 Nc3 14.Bc3 Qd5 15.d3 Qc5 16.Qd2 Qd6 17.e4 Bg6 18.e5) 12...Qd7 13.Nc3 Qe6 14.Qa4 a6 15.Nh4 Bh3 16.gh3 Qh3 17.Ng2 Bd6 18.f4; B4) 11...dc4 12.Bc4 Na5 13.Ba2 Bd6 14.d4 Qd7 15.Nc3 b5 16.Qe2 Rab8 17.d5 Nc4 18.Nd4; C) 11.d4 C1) 11...Qd7 12.Nc3 (12.h3 dc4 13.Bc4 Bd6 14.Nc3 Rad8 15.Be2 Na5 16.Nb5 a6 17.Nd6 Qd6 18.Nh4; 12.Ne5 Qd6 13.Nd2 Qe6 14.e4 de4 15.d5 Qe5 16.Be5 Ne5 17.Nb3 b6 18.Qd2; 12.cd5 Nd5 13.Nc3 Rad8 14.Bc4 Nb6 15.Bd3 Bd3 16.Qd3 Qe6 17.Rab1 Qc4 18.Qc2; 12.Nbd2 Qe6 13.Qb3 Red8 14.Rfd1 Ne4 15.cd5 Rd5 16.Bc4 Rad8 17.Bd5 Qd5 18.Qd5) 12...dc4 13.Bc4 Bd6 14.Nb5 Rac8 15.Rc1 a6 16.Nd6 cd6 17.d5 Na5 18.Be2; C2) 11...Rb8 12.Nc3 dc4 13.Bc4 Bd6 14.h3 Qe7 15.Be2 a6 16.Ra2 Bg6 17.Bd3 Bh5 18.Bf5; C3) 11...dc4 12.Bc4 Bd6 13.Nc3 Na5 14.Bd3 Bd3 15.Qd3 c5 16.Rad1 c4 17.Qe2 Qe7 18.Nb5; C4) 11...Be6 12.cd5 (12.c5 b6 13.Bb5 Bd7 14.Qa4 Na5 15.Nbd2 Bb5 16.Qb5 Qd7 17.c6 Qc6 18.Qc6; 12.Nbd2 dc4 13.Nc4 Ne4 14.Nfe5 Bg5 15.Qc2 Bd5 16.Bf3 f5 17.Bh5 Rf8 18.Rad1; 12.Qc2 dc4 13.Bc4 Bc4 14.Qc4 Qd7 15.Nc3 Rad8 16.Rad1 Nd5 17.Ne5 Qe6 18.e4; 12.Nfd2 dc4 13.Nc4 b5 14.Ne5 Ne5 15.de5 Nd7 16.Nd2 Rb8 17.Qc2 Bd5 18.Rfd1; 12.Nc3 dc4 13.e4 Bg4 14.e5 Bf3 15.Bf3 Nd7 16.Re1 Rb8 17.g3 Bg5 18.Bh5) 12...Qd5 13.Nc3 Qf5 14.Bd3 Qa5 15.e4 Bg4 16.Be2 Rad8 17.d5 Bc5 18.Qa4; C5) 11...Na5 12.Nbd2 (12.cd5 Qd5 13.Nc3 Qb3 14.Qb3 Nb3 15.Rae1 Bd6 16.Nb5 a6 17.Nd6 cd6 18.Bc4) 12...c6 13.c5 Qc7 14.Bc3 b6 15.Qa4 Nd7 16.Ba5 ba5 17.Nb3 Bd8 18.Rfd1.

10.d3 b5 11.Nbd2 Rb8 12.Nb3 Re8 13.a4 b4 14.Rc1 Bd6 15.c4 bc3 16.Bc3 Bd7 17.Na5 Na5 18.Ba5 Rb2 19.Bc3 Rb7 20.Qc2 Qe7 21.Bd4 Reb8 22.a5 a6 23.Qa2 c5 24.Bc3 Bf5 25.Bf6= Qf6 26.Qd5 Rd7 27.Qc4 Rb4 28.Qc3 Qc3 29.Rc3 Rb2 30.Re1 Ra2 31.Rcc1 Ra5 32.Ra1 Ra1=+ 33.Ra1 Ra7 34.Ra5 Bd7 35.d4 c4 36.Bc4+= Rc7 37.Ba6 Ra7 38.g3 g6 39.e4+/– Bc7 40.Ra3 Bc8+= 41.Bc8 Ra3 42.Kg2 Bb6 43.Bd7 Rb3 44.e5 Rb4 45.d5 Rb2 46.g4 Bf2 47.Kh1 Kf8 48.Bc6 Rc2 49.Ba4 Rc4–/+ 50.Bc6 Rg4 51.h3 Rc4 52.Bb5 Rc5 53.Bc6 Be3 54.Kg2 Rc2 55.Kh1 Bb6 56.h4 Be3 57.Nh2 Bf4 58.Nf3 h5 59.Kg1 f6 60.ef6 Kf7 61.Ba4 Ra2 62.Bd7 Be3 63.Kh1 Kf6 64.Bh3 Rf2 65.Bg2 Kf5 66.d6 Ra2 67.Bf1 Kf4 68.d7 Bb6 69.Ng5 Kg3 (69...Kg3 70.Ne4 Kh4–+) 0–1. Porkolab,Sandor (2095) – Djuric,Mirko (2220), 2006.

10.d3 Re8 11.Nbd2 =.

10.d4 Qd6 11.c4 =.

10.d4 Re8 11.c4 dc4 12.Bc4 Bd6 13.Nc3 a6 14.Rc1 b5 15.Ba2 Qd7 16.Ne2 Rad8 (16...Bg4 17.Ng3=) 17.Ng3 (17.d5!? Ne7 18.Bf6 gf6 19.Qb3=) 17...Bg3+= 18.hg3 Be6 19.Be6 Re6 (worse is 19...fe6 20.Qc2 Ne7 21.Qc7+/–; 19...Qe6?! 20.Qc2 Nb8 21.Qc7=) 20.Qc2 ½–½. Cottarelli,Franco (2140) – Pitkaenen,Juhani (2210), WS/M/121 ICCF, 2007.

9.c4 dc4

10.Bc4 Ne4 11.a3= Ba5 12.d4 Nd6 (12...Qf6 13.Bd3=) 13.Be2 Be4 (13...Qf6 14.Ra2 Qd8 15.Nbd2=) 14.Nbd2 (14.Qb3 Ne7+=) 14...Bd2 15.Qd2 Nf5 16.Rfd1 Bf3 (better is 16...Qe7!?=) 17.Bf3+/– Nh4 18.Bc6 (18.Be2!? Qd5 19.f3+/–) 18...bc6+= 19.Qe2 Rb8 20.Bc3 Re8 21.Qg4 (21.g3!? Qg5 22.e4+=) 21...f5= 22.Qg3 Re4 23.h3 Qd6 (23...Rb3 24.Be1=) 24.Qd6+= cd6 25.Bb4 d5 26.Rac1 Re6 27.Rc5 Ng6 (27...Rg6 28.g3+=) 28.Rdc1+/– Rb6 (28...Ne7 29.R5c3+/–) 29.Ra5 Rb7 30.Bc5 (better is 30.Ra6!?+/–) 30...f4= 31.Re1 (31.Ra7 Ra7 32.Ba7 fe3 33.fe3 Re3 34.Rc6 Ra3=) 31...Rb3 (31...Nh4 32.Ra7 Rb2 33.Kf1=) 32.Ra7 fe3 (32...Nh4!?=) 33.Re3+= Rbe3 (33...Ree3 34.fe3 Nh4 35.a4 Rb1 36.Kf2 Rb2 37.Kg3 Nf5 38.Kf3 Nh4 39.Kg4 Ng2 40.a5 Ne3 41.Kf4+–) 34.fe3+/– Re3 35.Rc7 (35.a4 Nf4 36.a5+/–) 35...Re6 (35...Nf4 36.Kf2 Re6 37.Rc8 Kh7 38.a4 Nd3 39.Kg3 Re3 40.Kh2+=) 36.a4 (36.g3 h5+/–) 36...Nf4 37.a5 Nd3?? (better is 37...Re1 38.Kh2 Ra1+/–) 38.a6+– Kh7 1–0. Kevlishvili,Nika (1655) – Fatalizade,Nijat, Batumi GEO, 2014.

10.Bc4 a6

11.a3 b5 12.Be2 +=.

11.d4 Qd6 12.a3 Ba5 (12...b5 13.Bb3 (13.Bd3 Bd3 14.Qd3 Ba5 15.e4 Rfe8 16.Nbd2 Bd2 17.Nd2 Rad8 18.d5; 13.Be2 Ba5 14.Nc3 Rfe8 15.Qb3 Rad8 16.Nh4 Bg4 17.Bg4 Ng4 18.g3) 13...Ba5 14.d5 Ne7 15.Be5 Qc5 16.Bd4 Qd6 17.Be5 Qb6 18.Bd4) 13.Nc3 (13.a4 Rfd8 14.Ba3 Bb4 15.Qb3 Nd5 16.Bb4 Ncb4 17.Bd5 Nd5 18.Nbd2; 13.Bd3 Be4 14.Be4 Ne4 15.Nbd2 Bd2 16.Nd2 Rfe8 17.f3 Nd2 18.Qd2; 13.Bb3 Rfd8 14.Nbd2 Bd2 15.Qd2 Ne4 16.Qe2 Be6 17.Bc2 Bd5 18.Nd2; 13.Nbd2 b5 14.Be2 Rfe8 15.a4 Bd2 16.Nd2 b4 17.a5 Qd5 18.Qa4; 13.Qb3 b5 14.Be2 Ne4 15.Nc3 Bc3 16.Bc3 Be6 17.Qc2 Bd5 18.Ne5) 13...Rad8 (13...Rae8 14.Qb3 b5 15.Be2 Rd8 16.Rac1 Rfe8 17.h3 Bb6 18.Qa2) 14.Bd3 (14.Ne2 Be4 15.Ng3 Bd5 16.Bd3 Qe6 17.Bf5 Qe7 18.Rc1) 14...Bd3 15.Qd3 Rfe8 16.Qc2 (16.Rfd1 Bc3 17.Bc3 Re6 18.h3) 16...Bc3 (16...Qe6 17.Rab1 Rd6 18.Rfc1) 17.Bc3 Re6 (17...Qe6 18.Rab1) 18.Rfc1 (18.Rfb1=) 18...Ne4 19.Nd2 Qd5 20.Ne4 Qe4 (20...Re4!? 21.Qa2 Qg5=) 21.Qe4+/– Re4 22.Rab1 b6 23.Be1 Re6 24.Rc3 f5 25.Rbc1 Ne7 26.Rc7 f4 27.Bd2 Nd5 28.R7c6 Rde8 29.Re6 Re6 30.Re1 fe3 31.fe3 Nf6 32.Kf2 Ne4 33.Ke2 Rg6 34.g3 Rf6 35.Rd1 Rf2 36.Kd3 Nf6 37.h4 Rf3 38.Rc1 Rg3 39.Rc6 Nd5 40.Rd6 Nf4 41.Ke4 Ng2 42.h5 b5 43.Ra6 Rg4 44.Kd5 Nh4 45.e4 Nf3 46.Bb4 Rg5 47.e5 Rh5 48.Rb6 Ng1 49.Rb5 Ne2 50.Rb8 Kh7 51.a4 Rh4 52.e6 (52.e6 Nf4 53.Kd6 Ne6 54.Ke6 Rd4 55.a5+–) 1–0. Kappel,Ray – Yang,Dong, IECG, 2010.

11.d4 Qd6 12.Nc3 A) 12...b5 13.Bb3 (13.Be2 Rfe8 14.Rc1 Rad8 15.h3 Re6 16.Nh4 Bh7 17.Nf3 Nd5 18.Nd5; 13.Bd3 Bc3 14.Bc3 Bd3 15.Qd3 Rfe8 16.a3 Re6 17.Rfc1 Qd5 18.Nd2; 13.Nh4 Bh7 14.Bd3 Bd3 15.Qd3 Ne5 16.Qc2 Nc4 17.Nf5 Qd7 18.a3) 13...Rae8 14.Ne2 Na5 15.Ne5 Nb3 16.ab3 Nd5 17.Ng3 Bh7 18.Qh5; B) 12...Rfe8 13.Ne2 (13.Rc1 b5 14.Be2 Rad8 15.h3 Re6 16.Qb3 Na5 17.Qd1 Qe7 18.Nh4; 13.a3 Bc3 14.Bc3 b5 15.Bd3 Be4 16.Qd2 Nd5 17.Rfc1 Rad8 18.h3; 13.Nh4 Bh7 14.a4 Na5 15.Ba2 Qb6 16.Qe2 Rad8 17.Nf3 Nc6 18.Rfd1; 13.Bd3 Bc3 14.Bc3 Be4 15.Rc1 Rad8 16.h3 Qa3 17.Bc4 Bd5 18.Qb3; 13.a4 Rad8 14.Rc1 Na5 15.Ba2 Qb6 16.Qe2 Bd6 17.Rcd1 c5 18.dc5) 13...Na5 14.Bd3 Bd3 15.Qd3 Nc6 16.h3 Ne5 17.Ne5 Re5 18.Nf4; C) 12...Rad8 13.Ne2 (13.Rc1 Rfe8 14.h3 Bc3 15.Bc3 Be6 16.Nd2 Bc4 17.Nc4 Qd5 18.Qb3; 13.h3 Rfe8 14.Rc1 Bc3 15.Bc3 Be6 16.Nd2 Bc4 17.Nc4 Qd5 18.Qb3; 13.Qe2 Rfe8 14.h3 Bc3 15.Bc3 b5 16.Bb3 Nd5 17.Bb2 Be4 18.Rac1; 13.Bd3 Bd3 14.Qd3 Rfe8 15.Rab1 Ne5 16.Ne5 Re5 17.Ne2 Re7 18.a3) 13...Rfe8 14.a3 Ba5 15.Nf4 Be4 16.Qb3 Nd5 17.Ne5 b5 18.Bd3; D) 12...Rae8 13.Rc1 (13.Bd3 Bd3 14.Qd3 Bc3 15.Bc3 Re6 16.Rfc1 Rd8 17.Rab1 b5 18.Be1; 13.h3 b5 14.Bd3 Bc3 15.Bc3 Bd3 16.Qd3 Re6 17.Rfc1 Rd8 18.Nd2; 13.Nh4 Bh7 14.g3 b5 15.Be2 Re6 16.a3 Ba5 17.Rc1 Rd8 18.Nf3; 13.a4 Re7 14.Nh4 Bh7 15.Rc1 Na5 16.Bd3 Bd3 17.Qd3 g6 18.Na2; 13.a3 Bc3 14.Bc3 Ne4 15.Qb3 b5 16.Bd3 Nc5 17.dc5 Qd3 18.Rad1) 13...Bc3 14.Bc3 Be4 15.Qe2 Nd5 16.Bb2 Qg6 17.Nh4 Qg5 18.g3; E) 12...Bc3 13.Bc3 b5 14.Bb3 Be4 15.Qe2 b4 16.Bb2 Rfe8 17.Ne5 Re7 18.f3.

11.d4 Qd6 12.Bd3 A) 12...Qe6 13.a3 (13.Nc3 Rad8 14.h3 Rfe8 15.a3 Bc3 16.Bc3 Nd5 17.Qd2 Be4 18.Be4; 13.Qc2 Bd3 14.Qd3 Rad8 15.a3 Ba5 16.Bc3 Rfe8 17.Ba5 Na5 18.Nbd2; 13.Bf5 Qf5 14.Nc3 Rad8 15.Qb1 Qe6 16.Qc2 Rfe8 17.Rab1 Bd6 18.a3; 13.h3 Nd5 14.Bf5 Qf5 15.a3 Ba5 16.Qb3 Rfe8 17.Nc3 Bc3 18.Bc3; 13.Na3 Rad8 14.Nc4 Bd3 15.Qd3 b5 16.Ncd2 Bd2 17.Nd2 Nb4 18.Qb3) 13...Ba5 14.Nc3 Rad8 15.Bf5 Qf5 16.Qb3 Rd6 17.Nd2 Qe6 18.Rac1; B) 12...Be4 13.a3 (13.Be4 Ne4 14.a3 Ba5 15.Nbd2 Bd2 16.Nd2 Rfe8 17.f3 Nd2 18.Qd2; 13.a4 Rfe8 14.Nc3 Bc3 15.Bc3 Rad8 16.Qe2 Ne7 17.Bb2 Bd3 18.Qd3; 13.Nc3 Bc3 14.Bc3 Rfe8 15.a4 Rad8 16.Qe2 Nd5 17.Qd2 Qe7 18.Rfb1; 13.Qe2 Rfe8 14.Nc3 Bc3 15.Bc3 Nd5 16.Rac1 Rad8 17.Rfd1 Qa3 18.Be4; 13.Qc2 Qd5 14.Be4 Ne4 15.Nbd2 Nd2 16.Nd2 Rad8 17.Bc3 Bc3 18.Qc3) 13...Bd3 14.Qd3 Ba5 15.e4 Rfe8 16.Nbd2 Bd2 17.Nd2 Rad8 18.d5; C) 12...Bd3 13.Qd3 Rfe8 14.a3 Ba5 15.Nc3 Bc3 16.Bc3 Rad8 17.Rfb1 Qd5 18.Rb2.

11.d4 Qd6 12.h3 A) 12...Nd5 13.Nbd2 (13.a3 Ba5 14.Qb3 Rad8 15.Nc3 Bc3 16.Bc3 b5 17.Be2 Rfe8 18.Rfc1; 13.Bd3 Qe6 14.Bf5 Qf5 15.a3 Ba5 16.Qb3 Rad8 17.Nc3 Bc3 18.Bc3) 13...Nc3 14.Qc1 Ne4 15.Ne4 Be4 16.a3 Ba5 17.Qd1 Rad8 18.Rc1; B) 12...Be6 13.Bd3 (13.Be6 Qe6 14.a3 Bd6 15.Nc3 Nd5 16.Qb3 Nce7 17.Rab1 b5 18.Rfe1; 13.Nbd2 Bd5 14.a3 Bd2 15.Nd2 Bc4 16.Nc4 Qe6 17.Qc2 Rad8 18.Ne5; 13.Be2 Bd5 14.a3 Ba5 15.Nbd2 Bd2 16.Nd2 Rfe8 17.Bd3 Rad8 18.Re1) 13...Bd5 14.a3 Ba5 15.Nbd2 Qe6 16.Rc1 Rac8 17.Qc2 Rce8 18.Bf5; C) 12...Rae8 13.a3 (13.Nc3 Bc3 14.Bc3 Ne4 15.Rc1 Rd8 16.Bd3 Rfe8 17.Nh4 Bd7 18.Qb3; 13.Nh4 Be4 14.Nd2 Bd5 15.Nhf3 b5 16.Be2 Rb8 17.a3 Bd2 18.Nd2) 13...Ba5 14.Nc3 Bc3 15.Bc3 Ne4 16.Bb2 b5 17.Bd3 Na5 18.Rc1; D) 12...Ne7 13.Ne5 (13.Nbd2 b5 14.Bb3 Nc6 15.d5 Na5 16.Bf6 Qf6 17.Bc2 Bd2 18.Nd2; 13.Bd3 Qe6 14.Ne5 Bd3 15.Qd3 Rfd8 16.f4 Qf5 17.Rc1 c6 18.Nc3; 13.Nc3 Bc3 14.Bc3 Nfd5 15.Bb2 Nc6 16.a4 Rfd8 17.Ba3 Qd7 18.Nh4) 13...Nfd5 14.Nd2 f6 15.e4 Bd2 16.ef5 Qb4 17.Qf3 fe5 18.Bd5; E) 12...Ne4 13.a3 (13.Nbd2 Nd2 14.Nd2 Qg6 15.h4 Rfd8 16.h5 Qg5 17.Be2 Nd4 18.Bd4; 13.Nfd2 Nd2 14.Nd2 Qg6 15.h4 Rad8 16.h5 Qg5 17.a3 Bd2 18.Qd2; 13.Qe2 Rae8 14.Bd3 Re6 15.a3 Ba5 16.Nbd2 Bd2 17.Nd2 Nd2 18.Qd2) 13...Ba5 14.Nbd2 Nd2 15.Nd2 Qg6 16.h4 Rad8 17.Nb3 Bb6 18.Qf3.

8.a3 Bd6

9.0–0 a6 10.c4 dc4 11.Bc4 Na5 12.Ba2 (12.Be2 c5+=) 12...c5 13.d3 (better is 13.Nc3!?–/+) 13...Bd3!–+ 14.Re1 (14.Qd3 Bh2 Double attack) 14...c4 15.Nfd2 (15.Nbd2 Rc8 16.Rc1 Re8–+) 15...b5 16.Bd4 Nc6 17.a4 (17.Nc3–+) 17...Nd4 18.ed4 Bh2! 19.Kh2 Qd4 20.Na3 (20.Nc3 Qc3 21.Kg1–+) 20...Ng4 21.Kg3 Qf2 22.Kg4 (22.Kh3 Bf5 23.Qe2–+) 22...Bf5 23.Kg5 f6 24.Kh5 g6 (24...g6 25.Kh6 Qf4#) 0–1. Neumann,Frank (1650) – Elschner,Gerald (2205), RSX7D – Oldenburg–1, 2007.

9.0–0 Ng4 10.h3 Nge5 11.d3 Ne7?? (better is 11...Qf6 12.Ne5 Ne5+=) 12.Ne5 c5 13.Nf3 Qd7 14.Nbd2 Bh3 (14...Rfe8 15.e4 Bg6 16.Nh4+–) 15.gh3 Qh3 16.Be5 (16.Ne5 Nc6 17.d4 Rae8+–) 16...Nf5? (16...Qg4 17.Bg3! Bg3+–) 17.Bd6 Nd6 18.Nh2 Nf5 (18...Qe6+–) 19.Bg4 Qh4 (19...Ne3 20.Bh3 Nd1 21.Rad1+–) 20.Bf5 Qg5 21.Qg4 Qe7 22.Qg3 Kh8 23.Nhf3 g6 24.Bh3 f5 25.Qe5 Qe5 26.Ne5 Rae8 27.Nd7 Rf7 28.Nc5 Rc7 29.d4 b6 30.Ncb3 Rc2 31.Rfc1 (31.Rfc1 Rb2 32.Bg2+–) 1–0. mr5reasons1 – ohwhy, gameknot.com, 2012.

9.d4 Na5 10.Nbd2 b5 11.0–0 Nc4 12.Nc4 bc4 13.Nd2 Qe7 14.Qc1 Ne4 15.Ne4 Be4 16.Re1 Rfe8 17.Qd2 Rab8 18.Bc1 Rb6 19.g3 Qd7 20.Bf1 h5 21.a4 Bb4 22.c3 Ba5 23.Ra3 Reb8 24.Qd1 Rb3 25.Rb3 Rb3 26.Qh5 Bc3 27.Bh3 Bg6 28.Qh4 Qd6 29.Rf1 Bd3 30.e4 de4 31.Bf4 Qd4 32.Qe7 Bb4 33.Qe8 Bf8 34.Be6? Qf6 35.Bd5 Bf1 36.Kf1 Qf5 37.Kg2?? Qd5 (37...Qd5 38.Qe5 Qe5 39.Be5 Bd6–+) 0–1. Simion,N (1895) – Dragomirescu,R (2400), ch–ROU Men Sarata Monteoru ROU, 2011.

8.c4 dc4

9.a3 Be7 10.Bc4 Na5 11.Be2 =. Johansson,Ragnar – Jounger,Sven, corr SSKK, 1987.

9.Bc4 a6 10.0–0 +=.

9.Bc4 Be7 10.Nc3 Nb4 11.0–0 Bd3 12.Bd3 Nd3 13.Rb1 c5 14.Ne2 b6 15.Ne5 Qd5 16.f4 Ne4 17.Nc3 Nc3 18.Bc3 Ne5 19.fe5 Qa2 20.Qf3 Qe6 21.Qb7 Rfb8 22.Qf3 Rd8 23.Rf2 Rab8 24.Rbf1 Rf8 0–1. Trokenheim,Marek (1830) – Morcin,Tom (1995), RB–2012–0–00165, 2012.

7.Nf3 Bg4

8.0–0 Rb8 9.d3 Re8 10.Nbd2 b5 11.a4 a6 12.ab5+= ab5 13.Ra6 Bd7 14.Qa1 Be7 15.Ne5 Nb4=+ 16.Nd7 Nd7 17.Bg7? Na6–+ 18.Bh6 Bf6 19.Qa6 Bc3 20.Nb1 Be5 21.Qa2? Qf6 22.Qd5 Qh6 23.f4 Nf6 24.Qf3 Bb2 25.Nd2 Rbd8 26.Ne4 Ne4 27.de4 c6 28.e5 Rd2 29.Bd3 Bc3 30.Be4 c5 31.Bc6 Rb8 32.Be4 Rbd8 (32...Rbd8 33.Qg4 Kh8–+) 0–1. Fekete,Albert – Klemens,Leszek, corr ICCF TT/6/02/2, 2005.

8.0–0 d5 9.c4 Bf3 (9...dc4!? 10.Bc4 h6=) 10.Bf3+= dc4 11.Bc6 (11.Qa4 Rb8 12.a3 c3 13.Nc3 Qd2+=) 11...bc6 12.Qa4 Rb8 13.Qc6 Bd2 (better is 13...Ng4 14.Bd4 Qd6 15.Qd6 Bd6=) 14.Bf6+/– gf6 15.Rd1 c3?? (better is 15...Rb2 16.Qc4 Qd7+/–) 16.Nc3+– Bc3 (16...Rb6 17.Qf3 Bc3 18.Qg3 Kh8 19.Rd8 Rd8 20.Qc7 Ba1 21.Qd8 Kg7+–) 17.Qc3 (better is 17.Rd8 Ba1 18.Rf8 Kf8 19.g3 Rb1 20.Kg2+–) 17...Qe7+/– 18.Rac1 Rb7 (18...Rfd8 19.Rd8 Qd8 20.Qc2+/– (20.Qc7?? Qc7 21.Rf1 Qa5–+)) 19.Qc6 (19.Rd4 Rd8+/–) 19...Rb2 20.a4 Ra2 (20...Rd8 21.Rd8 Qd8 22.Qf3+= (22.Qc7 Qc7 23.Rf1 a5–+)) 21.g3 (worse is 21.Qc7 Qc7 22.Rc7 Ra4+=) 21...Qe5 (21...Rd8 22.Rd8 Qd8 23.Rc4+/–) 22.Rd4+– Re8 23.Qc7 Qh5?? (23...Qc7 24.Rc7 a5 25.Ra7+–) 24.Qf4 (better is 24.Qd7 Kf8 25.Rc8 Rc8 26.Qc8 Kg7 27.Rg4 Qg5 28.Rg5 fg5 29.Qc4 Ra1 30.Kg2+–) 24...Qe2? (24...Qg5 25.Rc7+–) 25.Qg4 (better is 25.Qf6 Rd2 26.Rf4 Rd1 27.Kg2 Qf1 28.Kf3 Qh1 29.Kg4+–) 25...Qg4+/– 26.Rg4 Kh8 (26...Kf8!?+/–) 27.Rc7+– Rf8? (better is 27...h5 28.Rf4 Kg7 29.Ra7 Re6+–) 28.Ra7 f5 (28...Rg8 29.Re4 Kg7 30.Ree7+–) 29.Rf4 Rd8 (29...Kg7 30.Rf5 Ra3 31.Kg2+–) 30.Rf5 Rf8 (30...Kg7 31.Rff7 Kg6 32.Rh7+–) 31.Kg2 (31.Rff7!? Rf7 32.Rf7 Ra4+–) 31...Kg7 32.h4 Kg6 33.g4 h6 (33...Kg7 34.a5+–) 34.Ra6 Kg7 35.h5 Re8 (35...f6 36.e4 Re2 37.Kf3+–) 36.Kg3 (better is 36.Ra7 Rf8+–) 36...Re4 (36...Rf8 37.Ra7+–) 37.Rf4 (37.Ra7!? Kg8 38.Rff7 Raa4 39.Rg7 Kf8 40.Ra4 Ra4+–) 37...Rf4 (37...Re7 38.a5+–) 38.ef4 Ra3 (38...f6 39.Ra7 Kh8 40.Rf7+–) 39.f3 Ra1 40.f5 (40.g5 Rg1 41.Kh4 Rh1 42.Kg4 Rg1 43.Kf5 Ra1+–) 40...Ra3 (40...f6 41.Kf4+–) 41.Kf4 Ra1 42.f6 Kh7 43.Ra7 Kg8 44.Kf5 Ra3 45.f4 Rc3 46.Ra8 Kh7 47.Ra5 Re3 48.Re5 Ra3 49.a5 Ra4 50.g5 hg5 51.fg5 Rh4 52.g6 fg6 53.hg6 Kh6 54.g7 Rh5 55.Ke6 Re5 56.Ke5 Kh7 57.a6 Kg8 58.Ke6 Kh7 59.Kf7 Kh6 60.g8Q 1–0. Woloszyn,Piotr (1845) – Malec,Jakub (1800), Mistrzostwa Ursusa Poland, 2007.

8.0–0 Qd6 9.d3 (9.c3 Bc5 10.d4 Bb6+/–) 9...Rae8 (9...Rfe8 10.a3 Bc5 11.Nbd2=) 10.Nbd2 (better is 10.c3!? Bc5 11.d4+/–) 10...h5 (10...Qe7 11.Rb1=) 11.c4 (11.Rb1 Re7+=) 11...Bf3 (11...Bd2 12.cd5 (worse is 12.Qd2 dc4 13.d4 b5+=) 12...Bc3 13.Bc3 Nd5 14.Bb2+=) 12.Nf3+= dc4 13.dc4 Rd8 (13...Ne4 14.Qc2+=) 14.Qd6 (14.a3 Bc5+=) 14...Rd6 15.Rfd1 (15.Nd4 Nd4 16.Bd4 Ne4+=) 15...Rfd8 (15...Ne4 16.Ne5+=) 16.Rd6 (16.Ne5 Rd1 17.Rd1 Rd1 18.Bd1 Na5+=) 16...Rd6 17.a3 (17.Nd4 Ne4 18.Bh5 Nd4 19.Bd4 c5+=) 17...Bc5 18.Rb1 (18.Rd1 Rd1 19.Bd1 Ne4+=) 18...Ne4= 19.Be5?? (better is 19.Rd1=) 19...Ne5–+ 20.Ne5 Nc3 (20...Ba3 21.Rb7 f6 22.Ra7+/–) 21.Re1?? (better is 21.Rb7 Ne2 22.Kf1–+) 21…Ne2 (21...Ne2 22.Kf1 Nc3–+) 0–1. Blitznmore – Wall,Bill, chess.com, 2010.

8.0–0 Re8 (--> 7.Nf3 Re8 8.0–0 Bg4).

8.0–0 Bf3 9.Bf3 Bd6 10.Nc3 d4 11.Nb5 Be5 12.Bc6+– bc6 13.Nd4 Bd4 14.Bd4 Ne4 15.Bg7 Kg7 16.Qg4 Ng5 17.f4 f5 18.Qg5 Qg5 19.fg5 Kg6 20.h4 Kh5 21.g3 Kg4 22.Rf4 Kg3 23.Raf1 (23.Raf1 Rab8 24.R1f3) 1–0. pierre – quang4x, ChessHere.com, 2005.

8.0–0 h6 9.a3= Ba5 10.h3 Bh5 11.Nd4 Be2 12.Qe2 Nd4 13.Bd4 Bb6 14.Bb2 c6 15.f4 Ne4 16.Rf3 Qh4 17.Nc3 Nc3 18.Bc3= Rfe8 19.Kh2 Re7 20.Qf1 Rae8 21.Rg3= f5 22.Qf2 Qh5=+ 23.Bf6 Rf7 24.Be5 g5 25.fg5?? Re5–+ 26.gh6 Kh7 27.d4 Re6 28.Qf4?? Bc7 (28...Bc7 29.Qf3 Qh4–+) 0–1. 73DADDELDU37 – helrobe, mySchach.de, 2005.

8.a3 Ba5 9.0–0= Bb6 10.c4 d4=+ 11.Nd4 Bd4 12.ed4 Be2 13.Qe2 Nd4 14.Qd3 c5 15.Bd4 cd4 16.Qf3 Qd7 17.d3 Rfe8 18.Nd2 Re7 19.Rfe1 Rae8 20.Re7 Re7 21.h3 ½–½. Klinke,Werner – Kwiatkowski,Heinz, Ruhrgebiet VK2–chT, 1995.

8.c3 Bd6 9.h3 Bf5 10.Nh4 Be6 11.Nf3 h6 12.Na3 a6 13.Nc2 Na5 14.Ncd4 Bd7 15.d3 c5 16.Nc2 b5 17.Qd2 Re8 18.0–0 Bc6 19.Rfe1 Bc7 20.c4 bc4 21.dc4 Ne4 22.Qc1 Nc4 23.Bc4 dc4 24.Rd1 Qe7 25.Na3? c3–+ 26.Bc3 Nc3 27.Qc3 Bf3 28.gf3 Be5 29.Qc2 Ba1 30.Ra1 Qf6 31.Rc1 Qf3 32.Kh2 Re5 33.Rg1 Rg5 34.Rg5 hg5 35.Nc4 Re8 36.Nd6 Re6 37.Nf5 Rf6 38.e4 Re6 39.Qb2 Qf4 40.Ng3 c4 41.Kg1 Qe5 42.Qb7 c3 43.Nf5 Qe4 44.Qc8 Kh7 45.Ne3 Rc6 46.Qd7 c2 47.Nc2 Rc2 48.Qf7 Rc1 49.Kh2 Qh1 (49...Qh1 50.Kg3 Rg1#) 0–1. Quast,Michael – Halser,Walter, Bad Wiessee, 1997.

8.Nc3 Na5 9.h3 Bh5 10.0–0 Re8 11.a3 Bf8 12.Nd4 Be2 13.Qe2 c5 14.Nf3 Qd7 15.d3 d4 16.Nd1 Nd5 17.Qd2 b6 18.ed4 cd4 19.Nd4 Re7 20.Ne3 Rae8 21.Nd5 Qd5 22.c4 Qb7 23.Qc3 Re5 24.Rae1 Bc5?? 25.Nf3+– (25.Nf3 f6 26.Ne5 (26.Re5?! fe5 27.Ne5 Qc7+–) 26...fe5 27.Re5+–) 1–0. Rush,Bradley – Litvik,Jan, 53. LSS No Engine Cup Preliminary, 2011.

8.Nd4 Nd4–/+ 9.Bg4 Nc2 (9...Ng4 10.Qg4 c5 11.ed4 Re8 12.Kd1+–) 10.Qc2 Ng4 11.Qa4 (11.a3 Bd6 12.Nc3 Qh4–+) 11...Qh4 12.g3 (12.Qb4? Qf2 13.Kd1 Qg2–+) 12...Qe7 13.a3? (better is 13.0–0!? f5 14.f3–/+) 13...Ne3!–+ 14.fe3 Qe3 15.Kf1?? (better is 15.Kd1 Qf3 16.Kc2 Qe4 17.d3 Qg2 18.Kb3 Qh1 19.Nc3 Qh2 20.Qb4–+) 15...Qf3 16.Kg1 Rfe8 17.Nc3 Bc5 18.d4 b5 19.Nb5 (19.Rf1 Qe3 20.Rf2 ba4 21.dc5 Qc5 22.Nd1–+) 19…Re2 (19...Re2 20.dc5 Rg2#) 0–1. Neumann,Frank (1650) – Nikel,Bogdan (2250), RSS7E–70 remoteschach.de, 2007.

8.h3 Be6 9.0–0 Re8 10.d3 Qe7 11.c3 Bd6 12.Nbd2 Rad8 13.Qa4 Nd7 14.Rae1 Nc5 15.Qd1 Qd7 16.d4 Ne4 17.Ne4 de4–/+ 18.Ng5 Ba2 19.Qa4 Bd5 20.c4 Nd4 21.Qd7+= Ne2 22.Re2 Rd7 23.cd5 h6 24.Ne4 Re4 25.f3 Re8 26.Rc1 Bg3 27.Rd1 c6 28.e4? cd5 29.Red2 Be5 30.ed5 Bb2 31.Rb2 Re5 32.Kf2 g5 33.g3 b6 34.Rbd2 Rd6–/+ 35.f4 gf4 36.gf4 Re7 37.Kf3 Kg7 38.Rg1 Kf6 39.Rg8 Kf5 40.Rd4 Red7 41.Ra8 Rc7 42.Kg3 Rc3 43.Kh4 Rg6?? 44.Rd2?? Rf3 (44...Rf3 45.Rg8 Rg8–+) 0–1. Voboril,Pavel (2155) – Pribyl,Martin (2200), Praha Meta, 1989.

8.0–0 a6

9.a3 Bd6 10.d3 Re8 11.Nbd2 Qe7 12.c4 Be6 13.cd5 Nd5 =.

9.Nc3 A) 9...Re8 10.Rb1 Ne4 11.Ne4 de4 12.Nd4 Be2 13.Qe2 Nd4=; B) 9...Bd6 10.Rb1 Re8 11.Nd4 Nd4 12.Bg4 Nc2 13.Nd5 Nd5=; C) 9...Qe7 10.Nd4 Be2 11.Nce2 Nd4 12.Nd4 Qe4 13.d3 Qg6=; D) 9...Qd7 10.Rb1 Ne4 11.Ne5 Ne5 12.Ne4 Be2 13.Qe2 de4=; E) 9...Be6 10.d3 d4 11.ed4 Nd4 12.Ne4 Ne2 13.Qe2 Ne4=; F) 9...Be7 10.Rb1 Re8 11.d3 Bd6 12.Nd4 Bd7 13.Nc6 Bc6=; G) 9...Ne4 10.Ne4 de4 11.Nd4 Be2 12.Qe2 Nd4 13.Bd4 c5=; H) 9...Rc8 10.h3 Bf5 11.Rb1 Re8 12.a4 Bd6 13.d3 Bc5=; I) 9...Ra7 10.h3 Bf5 11.Rb1 Re8 12.d3 Bd6 13.a4 b6=+.

9.d3 Qe7 10.Nbd2 Rfe8 11.c4 Rad8 12.h3 Bh5 13.Rb1 a5 14.Bf6 Qf6 15.cd5 Rd5 16.a3 Bd2 17.Qd2 b5 18.Rfc1 b4 19.Qb2 Qb2 20.Rb2 ba3 21.Ra2 Rd6 22.Ra3 Rb8 23.d4 f6 24.Bc4 (24.Bc4 Bf7 25.d5+/–) 1–0. michaelbuss – bicycle, ChessWorld.net, 2007.

9.Re1 A) 9...Re8 10.a3 Bc5 11.d4 Bd6 12.Nbd2 Ne4 13.c4 Nd2=; B) 9...Qe7 10.h3 Bf3 11.Bf3 Ne5 12.Be5 Qe5 13.d4 Qd6=; C) 9...Bd6 10.d3 Re8 11.Nbd2 Qe7 12.c4 dc4 13.Nc4 Bb4=.

9.Ne5 Be2 10.Qe2 Ne5 11.Be5 Re8 12.Bb2 Qd6 (12...Bd6 13.Qf3+=) 13.Qf3 Re6 14.a3 (14.Rc1 c5+=) 14...Ba5 15.d3 (15.c4 c6 16.cd5 Nd5+=) 15...Rae8 (15...c6 16.Rd1+=) 16.Bf6 (16.c4 c6+=) 16...Rf6 (worse is 16...gf6 17.d4+=) 17.Qd1 (17.Qg4 b5+=) 17...c5 (17...Rh6 18.h3–/+) 18.Nd2 (18.c3 Rh6 19.g3 Qe6–/+) 18...Bc7 (18...b5 19.Nf3–/+) 19.g3 Ba5 20.c4 (20.Ra2!?–/+) 20...Bd2–+ 21.Qd2 dc4 22.Rfd1 Rd8 23.d4 (23.Rac1 cd3 (worse is 23...Qd3 24.Qe1+/–) 24.Rc3 b5 25.Rd3 Qd3 26.Qd3 Rd3 27.Rd3 Kf8–+) 23...cd4–+ 24.Qd4 b5 (24...Qd4 25.Rd4 Rd4 26.ed4–+) 25.Qd6 (25.Qg4!? Qe7 26.Rd8 Qd8 27.Rd1–/+) 25...Rfd6–+ 26.Rdc1 (26.Rd6 Rd6 27.Kf1 f5–+) 26...Rc8 (26...g5 27.h3–+) 27.Re1 c3 28.Rac1 c2 29.Kf1 a5 30.Re2 Rd1 31.Re1 Rc1 32.Rc1 b4 33.ab4 ab4 34.Ke2 b3 (34...b3 35.Kd2 b2 36.Rc2 Rd8 37.Ke2 b1Q–+) 0–1. Hasler,Ueli (1710) – Souza,Antonio (2270), CiF, 2005.

9.Ne5 Ne5 10.Be5 Be2 11.Qe2 +=.

9.h3 A) 9...Be6 10.Bd3 Bd6 11.Ng5 Kh8 12.Bf6 Qf6 13.Nh7 Qa1+=; B) 9...Bd7 10.d3 Re8 11.Nbd2 Qe7 12.a3 Bd6 13.c4 Be6=; C) 9...Bf5 10.d3 Re8 11.Nbd2 Qe7 12.a3 Bc5 13.c4 dc4=.

9.Nh4 A) 9...Be6 10.Nf3 Bd6 11.d3 Re8 12.Nbd2 Qe7 13.c4 Rad8=; B) 9...Bd7 10.d3 Re8 11.Nf3 Qe7 12.Nbd2 Rad8 13.a3 Bc5=; C) 9...Be2 10.Qe2 Re8 11.Qf3 Ne4 12.Nf5 Ne5 13.Be5 Re5=+.

8.0–0 Bc5

9.Na3 a6 10.c4 Re8 11.cd5 Qd5 12.Bf6 Ba3 13.Qa4 Bb4 14.Bc3 Bc3 15.dc3= Ne5 16.Rfd1 Qc5 17.Qd4 Qa5 18.Qd5 Qd5 19.Rd5 Rad8 20.Rad1 Rd5 21.Rd5 f6 22.Rd2 Nf3 23.gf3 Bh3 24.f4 Kf8 25.Bf3. pierred – albus dumbledore, chessmaniac.com, 2006.

9.d4 Bd6 10.Nbd2 Re8 11.c4 Bb4 12.Rc1 Ne4 13.a3 Bd2 14.Nd2 Be2 15.Qe2 Nd2 16.Qd2 Ne7 17.f3 dc4 18.Rc4 c6 19.e4 Qd6 20.Qg5 Rad8 21.Ra4 a6 22.Rb4 b5 23.Rc1 Ng6 24.Bc3 h6 25.Qe3 Nf4 26.Rb3 f5 27.Bb2 Ne6 28.Rd3 c5 29.d5 Nf4 30.Rd2 c4 31.Re1 Rd7 32.Red1 Nd3 33.Rd3 cd3 34.Rd3 b4 35.Rd4 ba3 36.Ba3 Qb6 37.Qd3 fe4 38.fe4 Rf7 39.h3 Qf6 40.d6 Rc8 41.Kh2 Qe5 42.Kg1 Rcf8 43.Qc4? Kh8–+ 44.Rd1 Rf2 45.Bc5? Qg3 46.Bf2 Rf2 47.Qf1 Rf1 (47...Rf1 48.Kf1 Qb3–+) 0–1. Pierred – philidor88 (2500), Rated game, 5m + 0s, 2005.

8.0–0 Bd6

9.Nc3 Re8 =.

9.c4 dc4 10.Bc4 Ne5 11.Be2 Nf3 12.Bf3 Bf3 13.Qf3 c6 14.d4 Re8 15.Nc3 (15.Ba3 Ne4 16.Bd6 Qd6=) 15...Qc7 16.g3 (16.h3 Rad8+=) 16...Qe7 (16...Rad8 17.Rab1+=) 17.Rfe1 (17.Rfd1 Rad8+=) 17...Ne4 (17...Rad8 18.Rab1+=) 18.Ne4= Qe4 19.Qe4 Re4 20.f3 Re7 (20...Re6 21.e4=) 21.e4 f6 (21...Bb4 22.Re3=) 22.f4 White intends e5 (22.Rac1 Kf7=) 22...Rae8 (22...Kf7 23.a3=) 23.e5 fe5 (23...Kf7 24.Rac1=) 24.de5+= Bc5 25.Kg2 g6 (25...b6 26.Rad1+=) 26.Rad1 (26.g4 Rf7 27.Rac1 b6+=) 26...b5 (26...Kf7 27.g4 Ke6 28.Kf3+=) 27.Rc1 (27.g4+/–) 27...Bb4 (better is 27...Rd7!? 28.Re2 Rd5+/–) 28.Re4+– c5 29.a3 Rd7 (29...Ba5 30.Rc5 a6 31.Rc6+–) 30.Re2 (30.ab4!? Rd2 31.Kh3 Rb2 32.Rc5 a6+–) 30...Rd2 31.Rd2 Bd2 32.Rc5 b4 33.a4 (33.Kf3 ba3 34.Ba3 a5+–) 33...Rb8 (33...Rd8 34.Kf3+–) 34.Kf3 b3 35.Rb5 Rb6 (35...Rb5 36.ab5 Kf7 37.g4+–) 36.Rb6 (36.Rd5 Bb4+–) 36...ab6 37.Ke4 (37.g4 Kf7+–) 37...Kf7 (37...h5 38.Kd3 Be1 39.Bd4+–) 38.g4 White prepares f5 38...Bb4 (38...Kf8 39.f5 h5 40.fg6+–) 39.f5 gf5 (39...h5 40.e6 Kf8 41.fg6 hg4 42.Kf4+–) 40.gf5 Bc5 (40...Bd2 41.e6 Ke7 42.Ke5+–) 41.Kd5 White plans e6 41...Bg1 (41...Bb4 42.e6 Ke8 43.f6+–) 42.h3 (42.e6 Ke8 43.a5 ba5 44.f6 h5 45.f7 Ke7 46.Ba3 Kf6 47.f8Q Kg6 48.h4 Bc5 49.Qf7 Kh6 50.Bc1 Be3 51.Be3) 42...Bh2 (42...Ke8+–) 43.e6 Ke8 44.Ba3 (44.f6 Bg1 45.a5 h6 46.f7 Kf8 47.a6 b5 48.Ba3 b4 49.Bb4 Bc5 50.Bc5 Kg7 51.f8Q Kg6 52.Qf7 Kg5 53.Be7) 44...Bg1 45.Kc4 (45.a5 b2 46.Bb2 ba5+–) 45...b2 (45...Bc5 46.Kb3 Bd4+–) 46.Bb2 Bc5 47.a5! Be3 (47...ba5 48.Kb5 Double attack (48.Kc5 Deflection; 48.Kb5 Decoy)) 48.a6 h5 1–0. Polischuk,Vyacheslav – Kolchenko,Sergey, Stavropol Region Championship, 2009.

9.d3 Qe7 10.Nbd2 Ne5 (10...Rfe8 11.c4=) 11.Rb1 (11.c4 Ned7=) 11...Bf3 (11...Rfb8 12.c4 c5 13.Ne5 Be2 14.Qe2 Be5 15.Be5 Qe5 16.Rfc1=) 12.Nf3+= Rab8 13.Nd4 (13.Ne5 Be5 14.d4 Bd6=) 13...c5 (13...Rfe8 14.c4=) 14.Nf5+= Qe6 15.Nd6 Qd6 16.c4 (16.d4 cd4 17.Bd4 b6+/–) 16...Rfd8 (16...d4 17.ed4 cd4 18.Qa4+=) 17.Qc2 (17.Qa4 a6+=) 17...d4 (17...Neg4 18.g3=) 18.e4 (18.ed4 cd4 19.Qa4 Neg4=) 18...Neg4 (18...Nfg4 19.g3+=) 19.g3= h5 (19...Re8 20.Bc1=) 20.Bc1 Qd7? (better is 20...b6!?=) 21.Bf4+/– Rbc8 22.h3 Nh6 23.Qd2 Rc6 (23...Kh7 24.Bh6 gh6 25.e5+–) 24.e5+– Nh7 (24...Ne8 25.Bf3 Rdc8 26.Rfe1+–) 25.Bf3 Qh3 (25...Rdc8 26.Bc6 Rc6 27.a3+–) 26.Bc6 Ng4 27.f3 Ne3 28.Be3 (28.Bb7 Nf1 29.Rf1 g5+–) 28...de3 29.Qg2 Qg2 30.Kg2 bc6 31.Rb3 Ng5 32.Re1 Ne6 (32...Rd7 33.Rb8 Kh7 34.Re3+–) 33.Re3 Nd4 (33...Rd7 34.Re2+–) 34.Rb7 Nf5 35.Re2 (35.Re4 Rd3 36.Ra7 Rd4+–) 35...Rd3 36.Ra7 h4 37.a4 Ng3 (37...hg3 38.a5+–) 38.Ra2 (38.Rb2 Re3+–) 38...Nh5 (38...Nf5!?+/–) 39.Kh3+– Nf4 (39...Rd4 40.Ra8 Kh7 41.a5+–) 40.Kh4 Ng6 (40...Rf3 41.Kg4 Rf1+–) 41.Kg3?? (better is 41.Kg5 Rf3 42.Ra8 Nf8 43.Rb2 f6 44.Kg4+–) 41...Ne5+/– 42.a5 (42.Re2 f6 43.Kg2+/–) 42...Nf3 (better is 42...Rf3!? 43.Kg2 Rf5+/–) 43.Ra8+– Kh7 44.a6 Ne1 (44...Nd2 45.Kg2 Nc4+–) 45.Kf2 Rh3 46.Ra5 (46.Ke1 Rh1 47.Kd2 Rh2 48.Kc3 Ra2–/+) 46...Nd3 47.Kg1 Rg3 48.Kh2 (48.Kf1 Rg6 49.a7 Rf6 50.Ke2 Nc1 51.Kd1 Nb3+–) 48...Rg5 49.a7 Ne5 50.Ra3 (50.Ra3 Rh5 51.Kg3 Nc4 52.Rb8 Na3 53.a8Q+–) 1–0. Osmak,Iulija (2180) – Licznerski,Lukasz (2320), Horodok–800 Years IM, 2013.

9.d3 Bf3 10.Bf3 Be5 11.d4 Bd6 12.Nd2 Ne7 13.e4 de4 14.Be4 Ng6 15.c4 (15.Re1!?=) 15...Bh2 16.Kh2 Ne4 17.Ne4 Qh4 18.Kg1 Qe4 19.Re1 Qc6 20.Rc1 (better is 20.Qb3!?+=) 20...Nf4–+ 21.d5 (21.f3 Qg6 22.Rc2–+) 21...Qg6 22.Qf3 Nd3 23.Re4 (23.Re2 Nc1 24.Bc1 Rfe8–+) 23...Nb2 24.Qe2 Na4 25.c5 b5! 26.Rg4 (26.Qb5 Qe4 Deflection) 26...Rae8 (26...Qh6 27.Qe3 Qe3 28.fe3–+) 27.Qd1 (27.Rg6 Re2 28.Rc6 Re7–+) 27...Re1! 28.Qe1 Qg4 29.d6 cd6 30.cd6 Nb6 31.Rc7 Qe6 32.Qd1 (32.Qe6 fe6 33.Ra7 Rd8–+) 32...Rd8 33.Re7 (33.Ra7 Rd6 34.Qf1–+) 33...Qe7! (33...Qe7 34.de7 Rd1 35.Kh2 Re1–+) 0–1. Kozlowski,Pawel – Teclaf,Pawel (1915), Ogolnopolska Olimpiada Mlodziezy C–12 Poland, 2014.

9.d3 Bf3 10.Bf3 Ne5 11.Nd2 Qe7 12.Re1 c5 (12...Rae8 13.e4 de4 14.Ne4=) 13.g3 Rad8 (13...Qd7 14.Bg2+=) 14.Bg2+= Bb8 (14...Bc7 15.Rb1+=) 15.Rb1+/– Qc7 (15...b6!?+/–) 16.Be5+– Qe5 17.Rb7 h5 (17...Qd6 18.e4 Qa6 19.Qb1+–) 18.c4 Rfe8 (better is 18...dc4 19.Nc4 Qe6+–) 19.cd5 Nd5 20.Nc4 Qg5 21.Nd2 Qg6?? (21...Qe5 22.Qb3 Nc7+–) 22.Be4 (better is 22.Rb8 Rb8 23.Bd5 Qd3+–) 22...f5? (22...Qe6 23.Qh5 Nf6 24.Qf3+–) 23.Bf3 (23.Bd5 Rd5 24.Qb3 Qd6+–) 23...Qc6 (23...Qe6+–) 24.Qb3 Kh8 (24...Kh7 25.Bd5 Rd5 26.Rb8 Rb8 27.Qb8 Rd3 28.Nb3+–) 25.Bd5 Qd5 26.Rb8! (26.Rb8 c4 27.Rd8 Rd8 28.Nc4 Qd3 29.Qd3 Rd3 30.Rb1+–) 1–0. hmpfgnrrrr (1915) – dylam (2210), gameknot.com, 2010.

9.d3 Bf3 10.Bf3 Ne5 11.Nd2 Nf3 12.Nf3 Qe7 13.Bf6 Qf6 14.c4 dc4 15.dc4 Rad8 16.Qb3 b6 17.Rad1 Bc5 18.e4 Rd1 19.Rd1 Rd8 20.Rd8 Qd8 21.g3 a5 22.a4 Qf6 23.Kg2 g5 24.h3 h5 25.Qc2 Kg7 26.Qd2 g4 27.hg4 hg4 28.Nh4 Qe5 (better is 28...Kf8!?=) 29.Nf5+/– Kf8 30.Qd8 Qe8 31.Qe8 (31.Qc7?? Qe4 32.Kh2 Qf5–+) 31...Ke8 32.Kf1 c6 33.Ke2 b5 34.cb5 cb5 35.ab5 a4 36.Kd2 a3 37.Kc3 Bf2 38.Kb3 Bc5 39.Nh6 Bd6 (39...Ke7!?+/–) 40.Ng4 Bg3 (40...Kd7 41.Nh6 Ke6 42.b6 Bg3 43.Ka3+/–) 41.Ka3+– Kd7 42.e5 Kc7 43.Kb4 Kb6 44.Nh6 Be5 45.Nf7 Bc3 46.Kc4 (46.Kc3?! Kb5=) 46...Bd4 47.Kd4 (better is 47.Nd6 Bf6 48.Ne4+/–) 47...Kb5= ½–½. hermax (1785) – tflk, gameknot.com, 2012.

9.d4 Ne4 10.Nbd2 a6 11.Ne4 de4 12.Nd2 Be2 13.Qe2 Kh8 (13...Qh4 14.g3 Qe7 15.d5=) 14.Ne4 (14.d5 Ne7 15.Ne4 Nd5+/–) 14...f5 (Better is 14...Bh2!? 15.Kh2 Qh4 16.Kg1 Qe4=) 15.Nd2 f4 16.Qg4 Rf6 17.d5 Rg6 18.Qf3 Ne5 19.Qf4?? (19.Qe4 fe3 20.fe3+= (20.Qe3 Ng4 21.Qb3 Bh2 22.Kh1 Qh4–+)) 19...Ng4–/+ 20.Qe4? (20...Bh2 21.Kh1–+; Better is 20.Qf3 Bh2 21.Kh1–+) 1–0. stoker – SuperGirl, Live Game Caissa's Web, 2004.

9.h3 Bd7 10.Nc3 Ne5 11.Ne5 Be5= 12.f4 Bd6 13.Qe1 c6=+ 14.Qg3 Bf5 15.d3 Re8 16.Rae1 Qb6 17.Bc1? Bb4–+ 18.Nd1 Be1 19.Re1 Qb1 20.Bb2–/+ Kh8 21.Qg5 Bg6 22.Bf6 gf6 23.Qf6+/– Kg8 24.f5 Qc2 25.fg6+= hg6 26.Rf1 Rf8 27.Rf4 Qe2 28.Nf2 Qh5 29.Rh4 Qh4 30.Qh4 f6? 31.Qh6 Rf7 32.Ng4 (32…Rg7 33.Nf6 Kf7 34.Ng4+–; 32.Qg6 Rg7 33.Qf6 Rf8 34.Qe6 Rgf7+–) 1–0. Lorinczi Retek,Pedro – Garcia Suarez,Justo Javier, Asturias–chT, 1997. Known even as: "Rodriguez Guerra,Jesus – Garcia Suarez,Justo, Ch Asturias team, 1997".

9.h3 Be6 10.Nc3 Qc8 11.Nb5 Be7 12.Rb1 a6 13.Nbd4 Nd4 14.Nd4 c5 15.Ne6 Qe6 16.d3 b5 17.Bf3 Rfd8 (17...Rad8 18.Qe2=) 18.c4 dc4 (18...bc4 19.dc4 Rac8 20.Qc2 dc4 21.Be2=) 19.Ba8 cd3? (Better is 19...Ra8 20.dc4 Qc4 21.Bf6 Bf6+=) 20.Bf3+– c4 21.Bc3 Nd5 22.Bd5 Rd5 23.Qd2 Rg5 24.a4 Qh3 25.f4 Rg4 26.ab5 ab5 27.Rb5 h6 28.Rb8 Kh7 29.Rc8 Qg3 30.Rc4 Rh4 31.Qd3 g6 32.Rc8 Rh2 33.Rh8 1–0. Trkn – guest877, ICC, 2004.

9.h3 Bf5 10.c4 dc4 11.Bc4 Nb4 12.Qb3 Nc2 13.Nd4 Na1 14.Nf5?? Nb3 (14...Nb3 15.ab3 Re8–+) 0–1. elsh1403 – grzedamarek (2120), kurnik, 2011.

9.h3 Bh5 10.Nc3 Re8 =.

9.h3 Bh5 10.d3 Qe7 11.Nbd2 Rfe8 12.c4 Rad8 (12...dc4 13.Nc4 Rab8 14.Rc1=) 13.Qb3 Bb4 14.Bf6 Qf6 15.g4 (better is 15.cd5 Bc3 A) 16.Qb7?! A1) worse is 16...Ba1 17.dc6 Be5 18.Rb1+= (worse is 18.Ne5 Be2 19.d4 Bf1 20.Nf1 Qd6–/+); A2) 16...Rd5? 17.Ne4 Re4 18.de4+–; A3) 16...Na5 17.Qa7 Ba1 18.Qa5 Bc3 19.Qc7 Bd2+=; B) 16.dc6 Ba1 17.cb7+/–) 15...Bd2–/+ 16.Nd2 dc4 17.Qc4 (17.Qb7 Bg6 18.Nc4 Nd4 19.ed4 Re2=) 17...Bg6–/+ 18.e4 (18.Nb3 a6–/+) 18...Ne5 (18...b5 19.Qc5 (19.Qb5?? Nd4 20.Qe8 Re8–+) 19...Nd4 20.Rae1–+) 19.Qc7 (better is 19.Qc2!?–/+) 19...Nd3–+ 20.Qa5 (20.Bd3 Rd3 21.Rad1 Red8–+ (worse is 21...Rh3 22.f3–+)) 20...Nf4 (20...Be4?! 21.Ne4 Re4 22.Bd3 Rd3 23.Qa7+=) 21.Bf3 (21.Rae1 b6 (21...Be4?! 22.Ne4 Re4 23.Bf3 Nh3 24.Kg2 Nf4 25.Kg1 Re1 26.Re1–+) 22.Qa4 Qc3–+) 21...Nh3 22.Kg2 Nf4 23.Kg3 Rd3 24.Qb5 (24.Rae1 Ne6 25.Re3 Qf4 26.Kg2 Re3 27.fe3 Qe3 28.Qb4–+) 24...Red8 25.Rad1 h5 (25...Ne2 26.Kg2 Nc3 27.Qb7 Nd1 28.Rd1–+) 26.g5 h4! 27.Kh2 (27.Kh4 Rd2 Zwischenzug) 27...Qe7 (27...Qe6 28.Qf5 Bf5 29.Rg1 Be4 30.Rg4 Bf3 31.Rh4 Bd5 32.Nf3 Qe2 33.Rh8 Kh8 34.Rf1 Qf3 35.Re1 Qf2) 28.Nc4 (28.Qa5 Qd7 29.Qd8 Qd8 30.Nb3 Be4 31.Bg4–+) 28...Rd1 (better is 28...Rf3 29.Rd8 Qd8–+) 29.Rd1 Rd1 30.Bd1 ½–½. Nemeth,Laszlo (2060) – Szijarto,Csaba, HUN–chT2 Erkel, 2004.

9.h3 Bh5 10.d4 Qe7 11.Nbd2=.

9.h3 Bh5 10.d4 Ne7 11.Nbd2+= c6 (11...Nc6 12.c4+=) 12.c4 Re8 (12...Bb4+=) 13.Ne5 (13.Rb1!?+=) 13...Be2= 14.Qe2 Be5 (14...Ng6!?=) 15.de5+= Nd7 16.Rad1 (16.Rab1 Qa5+=) 16...Qc7 (16...Qa5 17.Qg4 Qa2 18.Bd4=) 17.cd5 Nd5 Will e5 fall? 18.Nc4 (better is 18.e4 N5b6 19.f4+=) 18...N7b6? (better is 18...b5 19.Nd6 Ne5 20.Ne8 Re8+=) 19.Nd6+– Re6 (19...Na4 20.Qc2 Qa5 21.Ne8 Re8 22.Ba1+–) 20.e4 Nf4 21.Qg4?? (better is 21.Qe3 g5 22.h4+–) 21...Ng2= 22.Kh1 (22.Kg2 Rg6 Combination; 22.Qg2 Rg6 Pinning (22...Rg6 Decoy)) 22...Rg6 23.Qf5 (23.Qf3 Nh4 24.Qh5 Qe7=) 23...Nh4 (23...Qe7 24.Bc1=) 24.Qh5 Rh6 25.Qg4 Qe7 26.Nf5 (26.Ba3!? Ng6 27.f4+=) 26...Nf5+= 27.ef5 Qh4 28.Kg2 Nd5 (28...Rh5 29.Bc1 g6 30.f4=) 29.Rd4 (29.Bc1 Rh5 30.Rd4 g5+=) 29...g5 (29...Qg4 30.hg4 Re8 31.Bc1 Re5 32.Bh6 gh6 33.Kg3=) 30.Bc1+= Qg4 (30...f6 31.ef6 Qg4 32.hg4 Rf6 33.Bg5+=) 31.Rg4 (31.hg4 f6 32.ef6 Rf6 33.Bg5 Rd6+=) 31...f6= 32.ef6 Rf6 33.Rg5 Kf8 (33...Kf7 34.Bb2 h6 35.Bf6 hg5 36.Bg5=) 34.Ba3 (34.Bb2 h6 35.Bf6 hg5 36.Bg5 Re8=) 34...Ne7 Exerts pressure on the isolated pawn (34...Kf7 35.Bb2 h6 36.Bf6 hg5 37.Bg5=) 35.Re1 (35.Rd1 b6+=) 35...Re8 36.Bb2 (better is 36.Rh5!? h6 37.Bb2 Rf5 38.Rh6 Rg5 39.Kf1+=) 36...Rf5+= 37.Rg7 (37.h4 c5=) 37...Rf7–/+ 38.Rg5 h6 (38...b6!?–/+) 39.Rge5= Rd8 40.Bc1 (better is 40.Ba3 Rd7 41.Re6=) 40...Rd5?? (better is 40...Nf5–/+) 41.Bh6+– Ke8 42.Re6 (better is 42.Rd5 cd5 43.Bg5+–) 42...Kd7+= 43.R1e4 (43.h4 c5+=) 43...Rdf5 (43...Nf5 44.Bg5+=) 44.f4 (44.Bf4 Rf4 45.Re7 Re7 46.Rf4 c5=) 44...Nd5 (44...Ra5 45.Re2+=) 45.Kg3 (45.Rg6 Nf4 46.Bf4 Rf4 47.Rf4 Rf4 48.Rg7 Kc8+=) 45...Nf4 46.Bf4 (46.Rf4 Ke6 Deflection (46...Ke6 Overloading); 46.Bf4 Rf4) 46...Rf4 47.Re7 (47.Rf4 Ke6 Deflection (47...Ke6 Overloading)) 47...Re7–/+ 48.Rf4 (48.Kf4? Re4 49.Ke4 Ke6–+) 48...c5 (48...Ke6 49.Re4 Kd6 50.Rc4–/+) 49.Ra4 (49.h4 Ke6 50.Rc4 Rc7–/+) 49...Kc6 (49...Kd6 50.Ra7 c4 51.Ra3–+) 50.Kf4 (50.Ra7 c4 51.Kf3 Kb5–/+) 50...Rd7 (better is 50...b5!? 51.Ra6 Kd5–+) 51.Ke4 (better is 51.Ra7!? c4 52.Ra3–/+) 51...Kb5–/+ (51...Kb5 52.Ra7 c4–/+) 0–1. Galateanu,Calin (1785) – Arghirescu,Andrei (1980), GRAND PRIX BALCANI – Festivalul Interna, 2010.

9.h3 Bh5 10.d4 Re8=+ 11.Nbd2 a6 12.c4 Bf8 13.Rc1 Ne7 14.Ne5 Be2 15.Qe2 c6 16.Ndf3 Ne4 17.Nd2 Nd2 18.Qd2 dc4 19.Nc4 Ng6 20.Rfd1 ½–½. Sternik,Ryszard – Kuleszo,Jerzy, Olsztyn, 1991.

8.0–0 Qd7

9.c4 Qe7 10.Qc2 dc4 11.Qc4 Rfe8 12.Rc1 Bd6 13.Qb5 Nb4 =.

9.c4 Be7 10.Na3 Rfe8 11.Rb1 Rab8 12.Bf6 Bf6 13.d4 a6 =.

9.c4 Qf5 10.cd5= Qd5 11.h3 Bf5 12.d3 Qd7 13.Ne5 Ne5= 14.Be5 Bd6 15.Bd6 Qd6= 16.Qb3 b6 17.Na3 Qe6 18.Nb5 c5 19.Nc7 Qb3 20.ab3 Rad8 21.e4 Rd7 22.Ra7 Be6 23.Ne6 Ra7 24.Nf8 Kf8 25.Rb1 Ra2 26.Bf1 Ke7 27.e5 Nd5=+ 28.g3 Nc3 29.Rc1= Ne2 30.Be2 Re2 31.Ra1 Re5=+ 32.Ra7 Kf6 33.Rb7 Re6 34.Kg2 Rd6 35.Kf1 Rd3 36.Rb6= Ke5 37.Ke2 Rd6 38.Rb7 Rf6 39.Ke3 Kd6 40.Rb6 Kd5 41.Rf6+/– gf6 42.g4 Ke5 43.Kd3 Kd5 44.Kc3 Kd6 45.Kc4 Kc6 46.f3 Kb6 47.Kd5+– Kb5 48.f4 Kb6 49.Kd6 Kb5 50.Kc7 c4?? 51.bc4+– Kc4 52.Kd6 Kd4 53.Ke7 Ke4 54.f5 Kf4 55.Kf7 Kg3 56.Kf6 Kh3 57.Kg5 (57.Kg5 Kg3 58.f6+–) 1–0. Hecht,Hans Joachim – Lehmann, Berlin, 1956.

9.Bf6 gf6

10.a3 Bd6+= 11.Nc3 Ne7 12.Nd4 Be2 13.Qe2 c5 +=.

10.c3 Bd6 11.d4 Rfe8 12.Nbd2 Rab8 13.c4 Bb4 +=.

10.c3 Bd6 11.d4 Qf5 12.Nh4 Bh2 13.Kh2 Qh5 14.Bg4 Qh4 15.Bh3 Kh8 16.Qg4 Qh6 17.Nd2 Rg8 18.Qf4 Rg5 19.Nf3 Rh5 20.Qh6 Rh6 21.Rh1 Rg8 22.Kg1 Ne7 23.g3 b6 24.Bd7 Rhg6 25.Rh5 Rd8 26.Bb5 Rg7 27.Kg2 c6 28.Bd3 Ng6 29.Rah1 Kg8 30.Nh4 Rd7 31.Nf5 1–0. hal1958 – q77ro, playchess.de, 2002.

10.d4 Rfe8 11.h3 Bf5 12.a3 Be7 13.Bd3 Be4 +=.

10.Nd4 Be2 11.Ne2 Kh8 12.a3 Bd6 13.Nbc3 Rg8 14.g3 Ne7 15.Rb1 c6 16.a4 Ng6 17.e4 Qh3 18.Kh1 (18.Rb7?? Nh4 19.Nf4 Bf4 20.Qf3 Nf3 21.Kh1 Qf1; 18.ed5?? Nh4 19.Nf4 Bf4 20.Qf3 Nf3 21.Kh1 Qh2) 18...Nh4 19.Rg1 Nf3 20.Rg2 d4 21.Nf4 Bf4 22.Qf3 Bd2 23.Qf6 Rg7 24.Ne2 Bc3?? 25.Nc3+– dc3 26.Rb7 Qh5 27.Qc3 Rd8 28.Ra7 Kg8 29.a5 Rg6 30.a6 Rgd6 31.e5 Rd2 32.f3?? Rd1 33.Rg1= R1d2 34.h4?? Qf5 35.g4 Qf4 36.Qd2 Rd2 37.Ra8 Kg7 38.Rg2 Qf3 39.e6 0–1. Bonetti,Shane – BayRegion (1900), ICC, 2002.

10.h3 Be6 11.d4 Bd6 12.Nc3 a6 13.Rb1 b5 +=.

8.0–0 Ne4

9.c3 Bd6 10.d3 Nf6 11.Nbd2 Bf5 12.Re1 (12.c4 Be6=) 12...Ng4 (12...Re8!?+=) 13.e4+= de4 14.de4 (14.Ne4 Re8+=) 14...Be6 15.h3 Nge5 16.Nd4 Bh3 (16...Qg5 17.N2f3 Nf3 18.Nf3+=) 17.N2f3 (17.gh3 Qg5 18.Kh1+/–) 17...Bd7 18.Qd2 (better is 18.Ne5 Be5 19.Qb3+=) 18...Bg4?? (better is 18...Qf6–/+) 19.Ne5+/– Ne5 20.f4 Qh4 21.Bg4?? (better is 21.fe5 Be5 22.Bg4 Qh2 23.Kf1 Qh1 24.Kf2 Qh4 25.Ke2 Qg4 26.Kf1+/–) 21...Ng4–+ 22.Nf3 (22.g3 Qg3 23.Qg2 Bf4–+) 22...Bc5 23.Kf1 (23.Nd4 Rad8 24.g3 Qg3 25.Qg2 Qf4 26.Bc1–+) 23...Qh1 24.Ke2 Qg2 25.Kd1 Rad8 (better is 25...Qf3 26.Qe2 Ne3 27.Kc1 Qf4–+) 26.Nd4 Qd2 27.Kd2 Bd4 28.cd4 Nf6 29.Rac1 c6 30.Rc5 Rfe8 31.Kd3 Rd5 32.Re2 Rh5 33.Re3? Rh4 34.d5 Nh5 35.f5? Nf4 36.Kd4 cd5 37.ed5 Ng2 38.Re4 Rhe4 39.Kd3 Re3 (39...Re3 40.Kc4 Re2–+) 0–1. Baraniuk,Andrej (1655) – Berger,Volkmar (1800), 15th Liberec Open, 2015.

9.d3 Nd6 10.a3 Ba5 11.Nbd2 Ne7 12.d4 c6 13.c4 (13.Ne5!? Be2 14.Qe2=) 13...Bf3=+ 14.Nf3 Nc4 15.Bc4 dc4 16.Ne5 b5 17.e4 (17.Qf3 Qd5 18.e4 Qe6=) 17...f6 18.Ng4 (18.Nf3 f5 19.e5 Nd5–/+) 18...Ng6 (18...f5 19.ef5 Nf5 20.Ne5–+) 19.f4 (19.Ne3 Nf4=+) 19...Re8 (better is 19...f5!? 20.ef5 Rf5–+) 20.f5–/+ Nf8 21.Qf3 Nd7 22.Rad1 ½–½. Kreuzer,Uwe – Zimmer, Active chess, 1991.

9.d3 Bf3 10.Bf3 Nf6 11.c4 dc4 12.dc4 Qd1 13.Rd1 Rad8 14.Na3 Ba3 15.Ba3 Rd1 16.Rd1 Rd8 17.Rd8 Nd8 18.Be7 Nc6 19.Bf6 gf6 20.Bc6 bc6 21.a4 Kf8 22.Kf1 Ke7 23.Ke2 Kd6 24.Kd3 Kc5 25.Kc3 a6 26.g4 h6 27.a5 Kd6 28.Kd4 Ke6 29.Kc5 Kd7 30.e4 Ke6 31.Kc6 Ke5 32.Kc7 Kd4 33.Kb6 Kc4 34.Ka6 Kc5 35.Kb7 1–0. Bonetti,Shane – Zarathustra (1695), ICC, 2002.

9.d3 Nf6 10.c3 Bd6 11.Nd4 Nd4 12.cd4 Bf5 13.Bf3 c6 14.Re1 Qc7 15.g3 Bh3 16.e4 Rfe8 17.e5 Be5?? 18.de5 Nd7 19.d4 Qc8 20.Nd2 Nf8 21.Bg2 Bg4 22.f3 Bf5 23.g4 Bg6 24.h3 Ne6+/– 25.Rf1 Nf4 26.Nb3 h5 27.Bc1 Ne6 28.f4 Nf8 29.f5 Bh7 30.Bf4 hg4 31.hg4 Qd8 32.Kf2 Qh4 33.Bg3 Qg5 34.Rh1 Bf5 35.gf5 Qf5 36.Qf3 (36.Qf3 Qf3 37.Kf3+–) 1–0. cry – Michal, Live Game Caissa's Web, 2004.

9.d3 Nf6 10.Nc3 =.

9.d3 Nf6 10.Nbd2 Re8 11.Rb1 Rb8 12.a3 Bd6 13.c4 Ne5 14.Be5 Be5 15.Ne5 Be2 16.Qe2 Re5 17.Nf3 Re8 18.c5 d4 19.e4 Nd5 20.Qd2+/– Ne7 21.Rfc1 Nc6 22.Rc4 Qd7 23.Qg5 Red8 24.Nh4 f6 25.Qg3 Kh8 26.f4 b5 27.cb6+/– cb6 28.Nf5 g6 29.Nh4 Na5 30.Rcb4 Rbc8 31.Nf3 Nc6 32.Rc4 Qd6 33.Rbc1 Ne7 34.Qh4 Rc4 35.Rc4 Rf8 36.a4 Qa3 37.Rd4 g5 38.Qg3 Ng6 39.f5 Ne5 40.Rd5 (40.Qe5 fe5). pierre – salmo, ChessHere.com, 2005.

9.d3 Ng5 10.a3 Ba5 (10...Bd6 11.Nc3 Re8 12.Rb1 Nf3 13.Bf3 Be6=) 11.Nbd2 Nf3 12.Bf3 (12.Nf3 Re8 13.Rb1 Qe7=) 12...Bf3 13.Nf3 Re8 14.Rc1 Qd7 15.c4 dc4 16.Rc4 Bb6 17.Qa4 (17.Qc2 Rad8 18.Qc3 f6=) 17...f6 (17...Qd3!? 18.Rg4 g6=) 18.Rg4= Kh8 19.Qf4 Re7 (19...Qd3?? 20.Qf6!? Bd4 21.Bd4 Qd4 22.Qd4 (22.ed4?! gf6 23.Rb1 Rab8+=) 22...Nd4 23.Rd4+–) 20.h3 (20.d4 Qe6=) 20...Rd8 21.Rd1 Qd6 22.Qa4 Ne5 23.Ne5 fe5 24.Qe4 c6 25.Rh4 h6 26.Qa4 Qe6 27.Re4 Rd5 28.Qb3 Qd6 29.Qb4 Bc5 30.Qc3 ½–½. Poschmann,Hans – Goodman,Conrad, The Climb USA/4/1, 1999.

9.d3 Ng5 10.c3 Bd6 =.

9.d3 Ng5 10.Ng5 Be2 11.Nf7 (11.Qe2 Qg5 12.Nc3 Qf6=) 11...Bd1 12.Nd8 Bc2 13.Nc6 bc6 14.d4 Rfb8 (14...Rab8 15.Ba3=) 15.Rc1= Bg6 16.Bc3 (16.Ba3 Bb1 17.Bb4 Ba2+=) 16...Bd6=+ 17.a4 (17.Nd2 Ba3 18.Rd1 Rb5=+) 17...a5 (17...Rb7 18.Ba5=) 18.Nd2= Kf8 (18...Kf7 19.Nf3=) 19.Nf3 Rb3 (19...Ke7 20.h3=) 20.Be1 Ra6 21.Rc3 (21.Ne5 Be8=) 21...Rc3 22.Bc3 c5 23.dc5 Bc5 24.Ne5 (24.Be5 c6=) 24...Be8=+ 25.h3 Bd6 26.Kf1 Ke7 (26...c5 27.Ke2=+) 27.Nf3 g6 28.e4 (28.Be5 Rb6=+) 28...de4 29.Re1 (29.Ng5!?=+) 29...Bc6–/+ 30.Ng5 Bb4 31.Ne4 Kd8 32.Bd2? (better is 32.Bb4!? ab4 33.Nc5=) 32...Bd2 33.Nd2 Ba4 34.Ne4 (34.Rb1 Bc2 35.Rb8 Ke7–+) 34...Bb5–+ 35.Kg1 a4 36.Nc5 Ra7 37.Ne6 Kc8 38.Nf4 a3 (38...a3 39.Ra1 Kd7–+) 0–1. Rooks,Ivar – Hulley,John A, corr BPCF ch ENG teams, 1994.

9.d4 Bf3 10.Bf3 Qe7 11.c3 Bd6 12.Qb3 Qe6 13.Be4 Qe4 14.Qb7 Nd4 15.cd4 Rab8 16.Qc6 Rb2 17.Nc3 Rc2 18.Qd5 Qh4 19.g3 (Unregistered player Black disconnected and forfeits, 1–0). guest1062 – guest605, ICC, 2002.

9.d4 Qf6 10.Nbd2 Nd2 11.Nd2 Be2 12.Qe2 Rae8 13.a3 Ba5 14.c4 Nd4 15.Bd4 Qd4 16.ed4 Re2 17.Nb3 Bc3 18.Rae1 Rb2 19.Rb1 Re2 20.cd5 Rfe8 21.Nc5 Re1 22.Nd7 R1e2 23.Nc5 Rc2 24.Nb7 Bd4 25.Na5 Ree2 26.Rb8 1–0. Schachtee – Nautiluschess, ICS blitz, 2000.

9.h3 Bf3 10.Bf3 Qg5 11.d3 Nf6 12.Nd2 Rad8 13.c3 Be7 14.Qb3 b6 15.c4 Na5 16.Qc2 dc4 17.Nc4 Nc4 18.Qc4 c5 19.a4 Nd5? 20.a5 Nb4 21.d4 cd4= 22.Bd4 Rc8 23.Qb3 Nc2 24.Ra4 Nd4 25.Rd4 Bc5 26.Rd7 ba5 27.Bd5 Qf5 28.Rb7 Bb6 29.e4 Qg6 30.Kh1 Rb8?? 31.Rb8?? Rb8=+ 32.f4 Kh8 33.Bf7 Qe4=+ 34.Bd5 Qb4 35.Qd3 Qf8 36.Ba2 a4 37.Bb1 (37.Bb1 Qg8 38.Re1=+). Fredek (2090) – Guest538957, Freundschaftspartie, 5m + 0s, 2005.

8.0–0 Qe7

9.a3 Ba5 10.d3 Rad8 11.Nbd2 Rfe8 12.c4 (12.Rb1=) 12...d4 (12...Bf3 13.Bf3 Bd2 14.cd5=) 13.e4 (better is 13.Nd4!? Be2 14.Nc6+/–) 13...Bc3=+ 14.Qc2 Bb2 (14...Bd2 15.Qd2 Bf3 16.Bf3=) 15.Qb2 b6 16.Qb5 (16.Bd1 Nd7=+) 16...Na5 (16...Rd6 17.Rfe1=+) 17.Qg5= Bf3 18.Bf3 Nd7 (18...Nc6 19.Rfb1=) 19.Qe7 Re7 20.Be2 (20.Rab1 Nc5 21.Be2 h6=) 20...Nc5 (20...f5 21.f3=+) 21.f4= Na4 (21...a6 22.Rab1=) 22.Bf3 Nc3 23.Rfe1 Nb7 24.Nb3 a5 25.a4 Nc5 26.Nc5 bc5 27.e5 Re6 28.f5 Rb6 29.e6 fe6 30.fe6 Re8 31.Bd5 Re7 32.Rf1 Rd6 33.Rf7 Rf7?? 34.e7+/– Nd5 35.e8Q Rf8 36.Qe5 Ne3 37.Qe4?? Rdf6= 38.h3 h6 39.Rb1 Rf2 40.Qe6 Kh8 41.g4 R2f3 42.Qe7 R8f7 43.Rb8 Kh7–/+ 44.Qe4 g6 45.Qe5?? Rf1 46.Kh2 R7f2 47.Kg3 Rf3 48.Kh2 R1f2 49.Kg1 Rg2 (49...Rg2 50.Kh1 Rf1#) 0–1. Steiner,Peter Martin – Guettinger,Bernd, Baden–ch JS Karlsruhe, 2003.

9.Nc3 a6 10.Rb1 Rae8 11.a3 Bd6 12.d3 Ba3 13.Ba3 Qa3 14.Rb3 Qa5 15.Qa1 Qa1 16.Ra1 d4 17.ed4 b5 18.Ra6? (better is 18.Rbb1+=) 18...Bf3–+ 19.gf3 (19.Rb1 Bd5 (19...Re2 20.Ne2 Nb8 21.Rf6 Be2 22.Rf4+/–) 20.Nd5 Nd5 21.Rc6 Re2–+) 19...Nd4 20.Kf1 (20.Bf1 Nb3 21.cb3 b4–+) 20...Nb3 21.cb3 Ra8 22.Ra8 Ra8 23.Nb5 Nd5 24.d4 (24.Kg1–+) 24...Ra1 25.Kg2 (25.Bd1 Rd1 26.Ke2–+) 25...Nf4 (25...Nf4 26.Kg3 Ne2 27.Kg4 h5 28.Kf5 Ra5–+) 0–1. jeich (1745) – caballos (1900), gameknot.com, 2013.

9.Nc3 Rad8 10.a3 Ba5= 11.h3 (11.Rb1 Rfe8 12.h3 Bf3 13.Bf3 Ne5 14.Be2=+) 11...Be6 12.Bb5 Qc5 13.Bd3 a6 14.Ne2 =.

9.Nc3 Rad8 10.a3 Bd6 11.Nb5 a6 12.Nd6 Rd6 13.a4 Rfd8 (better is 13...Bf3!? 14.Bf3 b5+=) 14.Ba3+/– Ne4 15.Rb1 b6 16.Bd6 Rd6 17.Nd4 (worse is 17.Ba6 Ne5 18.Be2 Bf3 19.Bf3 Nf3 20.Qf3 Nd2+=) 17...Be2 18.Ne2 Rh6 19.h3 Qg5 20.d3 Nf6 21.Nf4 Nh5 22.Nh5 Rh5 23.Qf3 g6 (23...Rh6 24.c4 dc4 25.Qe4+–) 24.c4 Ne5? (better is 24...Qd8+–) 25.Qd5 c6 (25...Qe7 26.d4 Nd3 27.Qa8 Kg7 28.Qa6+–) 26.Qe4 Nd7 (26...Qf5 27.Qf5 Rf5 28.g4+–) 27.Qe8 Kg7 (27...Nf8 28.Rb6 c5 29.f4+–) 28.Qd7 1–0. charmedones (1970) – madik (1610), gameknot.com, 2014.

9.Nc3 Rad8 10.d4 Na5 (10...a6 11.Rb1=+ (11.a3 Bd6 12.h3 Bf5 13.Nh4 Be6 14.Bd3=+; 11.h3 Bf5 12.a3 Bd6 13.Nh4 Be6 14.Bd3=+; 11.Qd3 Ne4 12.a3 Bc3 13.Bc3 Bf5 14.Rfb1–/+; 11.Nb1 Rfe8 12.Qd3 Ne4 13.a3 Bd6 14.c4=+; 11.a4 Rfe8 12.Rb1 Bd6 13.h3 Bf5 14.Nh4=+) 11...Rfe8 12.Ba1 Na5 13.Qd3 Bd6 14.h3=+) 11.a3= Bd6 12.Nb5 Nc4 (12...Ne4 13.Nd6 Rd6 14.a4=) 13.Bc4 dc4 14.Nd6 (< 14.Na7 c6 15.h3 Be6–/+; 14.h3=+) 14...Rd6 15.h3 Bf5 (15...Be6 16.Qe1=+) 16.Qe2 b5 (16...Qe4 17.Ne5=) 17.Bc3 (17.a4 b4 18.Qc4 Nd5+=) 17...Ne4 18.Bb4 c5 19.dc5 Rg6 20.c6 Qc7?? (20...Nc5 21.Kh1 Be4= (< 21...Rc6 22.Nd4 Rf6 23.Nb5+/–)) 21.Bf8 Kf8 22.Nh4 Rf6 23.Nf5 Rf5 24.Qg4 Nd6 25.Rfd1 h5 26.Qd4 Rf6 27.Qd5 Ke7 28.e4 Re6 29.e5 Nf5 30.Qe4 Qc6 31.Qf5 Qc5 32.Qg5 (32.Qg5 Kf8 33.Rd8 Re8 34.Rad1+–) 1–0. TrinTragula – babyl, ChessWorld.net, 2008.

9.Nc3 Rfe8 =.

9.c4 Rad8 10.d4 dc4 11.Bc4 Ne4 12.Be2 Rd5 13.Nfd2 (better is 13.a3!? Ba5 14.Qb3=) 13...Be2–/+ 14.Qe2 f5 (14...Nd2!? 15.Nd2 Nd4 16.Bd4 Rd4–/+) 15.Ne4 Qe4 16.Nd2 (16.Qc4 Rf6 17.Bc3 b5+=) 16...Bd2+= 17.Qd2 f4 18.ef4 Rf4 (better is 18...Nd4!? 19.Bd4 Qd4+=) 19.Rfe1 Qf5 20.Re8 Kf7 21.Rae1 h6 22.Qe3 Kg6 (22...Nd4?? 23.Rf8 Kg6 24.Rf5 (24.Qf4 Ne2 25.Kf1 Qf4 26.Rf4 Nf4–/+) 24...Nf3 25.gf3 Rdf5 26.Qe6 Kh7 27.Qd7+–) 23.Rh8 (23.f3 Nd4 24.Re4 Nf3 25.gf3 Rf3+=) 23...Rd7 24.d5 (24.Qg3!? Rg4 25.Qb3=) 24...Re7+= 25.Qg3?? (better is 25.Qc3 Re1 26.Qe1 Qd5 27.f3+=) 25...Rg4–+ 26.Qc3 Re1 (26...Qd5 27.g3 Rc4 28.Re7 Rc3 29.Rc7 Qe5 30.Rb7 Qe1 31.Kg2 Qe4 32.Kh3 Rf3 33.Bg7 Qf5 34.Kg2 Rf2 35.Kg1 Rd2 36.Rh6 Kg5 37.h4 Kg4 38.Rb4 Kh3 39.Rf4 Qb1 40.Rf1 Rg2 41.Kh1 Qf1) 27.Qe1+= Qd5 28.f3 Qf3 29.Qe6 Kh5 30.Qe8 Kh4 31.Qe1 Kg5 (31...Kh5 32.Qe8 Kh4 33.g3 Rg3 34.hg3 Qg3 35.Kh1 Qf3 36.Kg1 Qg3 37.Kf1 Qf4 38.Kg1 Qg3=) 32.Bc1+= Kg6?? (32...Kh5 33.Qe8 Kh4 34.g3 Rg3 35.hg3 Qg3 36.Kf1 Qf3 37.Ke1 Qg3 38.Kd2 Qf2 39.Qe2 Qe2 40.Ke2 Nd4 41.Kd3 Nf5+/–) 33.Qe6+– (33.Qe6 Qf6 34.Qg4 Kf7 35.Qh5 Ke6 36.Qe2 Kd5 37.Qb5 Ke6 38.Bb2+– (38.Qb7?! Qd4 39.Kf1 Qd1 40.Kf2 Qc2 41.Kg3 Qc3 42.Kh4 Qf6 43.Kh3 Qf5 44.Kg3 Qd3 45.Kh4 Qd4 46.Kh3 Qd3 47.Be3 Qe3 48.g3 Qf3+/–)) 1–0. Sieber,M (2025) – Kourek,J (2120), CZE, Liga, 2014.

9.d3 Bd6 10.Nbd2 b5 11.c4 dc4 12.dc4 bc4 13.Nc4 Rab8 14.Qc2 Nb4 15.Qa4 Bc5 16.Nce5 Bf5 17.Rac1 Ng4 18.a3 Ne5 19.Ne5 Bd6 20.ab4 Rb4 21.Qa1 Rb2= 22.Qb2 Be5 23.Qa2 c5 24.Qd5 (24.Qd5 Rd8 25.Qc5+/–) 1–0. Namdeo,Ashish – Plock,Joerg, corr or01–003 E–mail, 2001.

9.d3 Rad8 10.c3 Bd6 11.a4 Rfe8 12.Ba3 Ba3 13.Na3 Ne5 14.Ne5 Be2 15.Qe2 Qe5 16.d4 Qe7 17.Rfb1 c6 18.a5 Ne4 19.Qe1 Rd6 20.f3 Nf6 21.Nc2 Rd7 22.Qd2 Qd6 23.Nb4 (23.Ra4 c5=) 23...Rde7 24.Re1 h6 25.Nd3 Nd7 26.Nf2 f5 27.Nd3 c5 28.f4 (28.dc5!? Nc5 29.Rad1 Nd3 30.Qd3=) 28...c4+= 29.Ne5 Nf6 (worse is 29...Ne5 30.de5 Qc6 31.Qd4+=) 30.Rec1 Ne4 31.Qe1 Qf6 32.Ra2 g5 33.Rb2 gf4 34.ef4 Rg7 35.Re2 Kh7 36.Re3 Reg8 37.Rc2 Nd6 38.Rb2 b6 39.ab6 ab6 40.Rb6?? Rg2–+ 41.Kh1 Qh4! 42.Nf3 Qe1?? 43.Re1–/+ Ne4 44.Ng5 R2g5 45.fg5 Rg5 46.Re2 f4 47.Rc2 f3 48.Rbb2 f2 49.Rf2+= ½–½. Krafzik,Joachim (1885) – Waechter,Wolfgang (1795), Bad Griesbach Seniors op 5th, 2002.

9.d3 Rad8 10.Nbd2 Rfe8 (--> 7.Nf3 Re8 8.0–0 Bg4 9.d3 Qe7 10.Nbd2 Rad8).

9.d3 Rad8 10.h3 Bf3N 11.Bf3 d4 (better is 11...Ne5+=) 12.Bc6+/– bc6 13.Bd4 1–0. Bonetti,Shane – QueenLeia, ICC, 2002.

9.d3 Rad8 10.h3 Bh5 11.Nbd2 Rfe8 12.a3 Ba5 13.d4 h6 14.c4 Bd2 15.Nd2 Bg6 16.Rc1 a6 (16...dc4 17.Nc4 a6 18.Qb3=). Groffen – Panbukchian,V, NED, 1996.

9.d3 Rad8 10.h3 Bh5 11.Nbd2 Rfe8 12.a3 Ba5 13.d4 h6 14.c4 Bd2 15.Nd2 Bg6 16.Rc1 a6 17.Re1 Na7 18.Qb3+= c6 19.a4 b5 20.ab5 dc4 21.Nc4 cb5 22.Ne5 Be4 23.Ba3 Qb7 24.f3 Bd5 25.Qb2 Nd7 26.Nd7 Qd7 27.e4 Bb7 28.d5 Rc8 29.Bc5 Ra8 30.Bb6 Rec8? 31.Qd4+– Rc1 32.Rc1 Rc8 33.Rd1 (33.Rd1 Nc6 34.dc6 Qd4 35.Bd4 Rc6 36.Kf2+–) 1–0. Groffen – Franssen, NBC, 1981.

9.d3 Rfe8 10.a3 Bd6 11.Nc3 Rad8 12.Nb5 Be5 13.Ne5 Ne5? (Better is 13...Be2!? 14.Qe2 Ne5 15.Na7 Ra8+=) 14.Be5+– (14...Be2 15.Bf6 (15.Qe2?! Qe5 16.d4 Qe7=+) 15...Qf6 16.Qe2+–) 1–0. Bonetti,Shane – BayRegion (1900), ICC, 2002.

9.d3 Rfe8 10.Nc3 =+.

9.d3 Rfe8 10.Nd4 Be2 11.Nc6 bc6 12.Qe2 Rab8 13.c3 Bd6 14.a4 (14.c4 Rb7=+) 14...Qe5–/+ 15.g3 h5 (15...Rb3!?–/+) 16.Ra2=+ c5 17.Nd2 Re6 18.Nf3 Qf5 19.Kg2 g5 20.h4 Nh7 (20...gh4!? 21.Nh4 Qg4=) 21.hg5+= Ng5 22.Ng5 Qg5 23.f4 (Better is 23.Rh1 Rh6 24.e4+/–) 23...Qg6 24.Kf2 Rd8 (24...h4!? 25.Rg1 h3–/+) 25.Bc1 (25.Rh1 Kf8+=) 25...f5 (Better is 25...d4!? 26.cd4 cd4+=) 26.Rh1+/– d4 (26...Kg7 27.Qh5 Be7 28.Kf3+/–) 27.cd4 cd4 28.e4?? (Better is 28.Qh5 Kf7 29.Rc2+/–) 28...fe4=+ 29.de4 Re4 30.Qh5 Qh5 31.Rh5 d3 32.Rd5 Rc4 (32...c6 33.Rd3 Bc5 34.Kf3 Rf4 35.Kf4 Rd3 36.Rc2=) 33.Bd2?? (Better is 33.Be3 Rc2 34.Rc2 dc2 35.Rd3+=) 33...Rc2?? (34.Rc2 dc2+=; Better is 33...Bc5 34.Rc5 Rc5–+) 0–1. Nunez – Grund,Karl, corr ICCF T–19–F (year unknown).

9.d3 Bf3 10.Bf3 Rad8 11.a3 Ba5 12.Nd2 Ne5= 13.Be2 c5 14.Nf3 Bc7 15.Rb1 b6 16.Re1 Nf3 17.Bf3 d4 18.g3 ½–½. Alexeyev,Vadim – Sulskis,Sarunas, St Petersburg op, 1996.

9.d3 h6 10.Nbd2 Bd6 (10...Bf5 11.c3 Ba3 12.Ba3 Qa3 13.Nb3=) 11.c4= Be6 12.cd5 Nd5 (12...Bd5? 13.e4 Be6 14.e5 Ne5 15.Ne5 Ba2 16.Bf3 Be5 17.Ra2 Bb2 18.Rb2+–) 13.Ne4 Ba3 14.Ba3 Qa3 15.Qc1 Qa5 16.d4 Bf5 17.Nfd2 Be4 (17...Rae8 18.Bf3 Nce7 19.Nc5+–) 18.Ne4+= Rfe8 19.Bf3 Nce7 20.Nc5 (20.Rb1 b6+=) 20...b6+= 21.Nb3 Qb4 22.e4 Nc3 23.Qc2 Nb5 24.Rfd1 c6 25.Rac1 a5 26.Qc4 Red8 27.a4 (27.d5 Qc4 28.Rc4 Rac8+=) 27...Na3= 28.Qb4 ab4 29.e5 Rdc8 30.Bg4 Rcb8 31.Bf3 Ra4 32.Bc6 Nc6 33.Rc6 ½–½. Cottarelli,Franco (2070) – Chubukin,Aleksandr Nikolaevich (2055), WS/M/185 ICCF, 2008.

9.d4 Ne4 10.Nbd2 Rad8 11.Ne4=+ Qe4 12.Ng5 Be2=+ 13.Qe2 Qf5 14.Nf3 Rfe8 15.c4 dc4 16.Qc4 Re6 17.Rfd1 Re4 18.Qc2 Rde8 19.d5+/– Ne5 20.Ne5 R4e5 21.Qc7 Rd5+/– 22.Qb7 Rd1 23.Rd1 Qc2 24.Qd7 Rc8 25.g3 h6? 26.Rc1+– Qc1 27.Bc1 Rc1 28.Kg2 a5 29.Qe8 Bf8 30.h4 Rc2 31.a4 Rc4 32.e4 Rb4 33.e5 Re4 34.Kf3 Re1 35.g4 Rh1 36.e6 fe6 37.Qe6 Kh8 38.Qc8 Kg8 39.Kg3 Ra1 40.Qe6 Kh8 1–0. Ostroverkhova,Elena – Malinovskaya,Maria, Kramatorsk, 2002.

9.d4 Rfe8 10.Nbd2 Ne4 11.Ne4 de4 12.Nd2 Be2 13.Qe2 Rad8 14.Rab1 b6 15.c3 Bd6 16.Qb5 Nb8 17.Qa4 c6=+ 18.h3 Rd7 19.c4 Qg5 20.Ba3 Bc7 21.Rfd1= Re6 22.Qc2 f5 23.Kh1 Rg6=+ 24.Rg1 Qh4 25.Nf1 Rd8 26.Rb2 Nd7 27.Qa4 a5 28.Qc2 Kh8 29.f4 ef3 30.Qf5 fg2 31.Rbg2= Rg2 32.Rg2 b5 33.cb5 cb5 34.Kg1 b4 35.Qf7 Qf6 36.Qf6 Nf6 37.Rc2 Rd7 (37...Rc8 38.Bb2=+) ½–½. albatroz (1840) – spereira (1885), internet, 2005.

9.Nd4 Bd7 10.c4 Nd4 11.Bd4 c5 12.Bb2 =. Tuchtenhagen.

9.Nd4 Be2 10.Nc6 Qd6 11.Qe2 Qc6 12.Na3 a6 13.c4 Qd6 14.Nc2+= Ne4 15.Qg4 f6 16.cd5+/– Rae8 17.d3 Bc3 18.Ba3 Qd5 19.Bf8 f5 20.de4 Re4 21.Qd1 Qc6 22.Nd4 (22.Nd4 Rd4 23.ed4 Ba1 24.Bc5+–; better is 22.Rc1 Kf8 23.Nd4 Qc5+–) 1–0. Tuchtenhagen,Harald – Montag, Bezirksliga Schwerin, 1988.

9.Nd4 Be2 10.Qe2 Nd4 11.Bd4 c6 12.Qf3 Nd7 13.Qg3 g6 14.f4 f5 15.Bb2 Nc5 16.d3 Rfe8 17.Rf3 Na4 18.Be5 Bd6 19.d4 c5 20.Nd2 Nc3 21.Qf2 Ne4 22.Ne4 de4 23.Rh3 c4 24.Qe2 b5 25.c3 a6 26.g4 Be5 27.fe5 Qg5 28.Rg3 Rad8 29.gf5 Qf5 30.Rf1 Qd7 31.Rf6 Re6 32.Rf4 Qb7 33.Qg4 b4 34.Qe6 1–0. purplegadge (1750) – ripley147 (1735), gameknot.com, 2014.

9.Bf6 gf6 10.a3 Ba5 11.Nd4 Be2 12.Nc6 +/–.

9.Bf6 Qf6 10.d4 Ne7 11.Ne5 Bf5 12.Bd3 Bd6 13.f4 Qe6 14.g4 Bd3 15.cd3 f6 (15...c5!?–/+) 16.f5+= Qc8 17.Nf3 Kh8 (17...Qd7 18.e4+=) 18.Kh1 Qd7 19.Nc3 Rfe8 20.Rb1 c6 21.Qe1 Ng8 22.Rb2 Re7 23.Nd1 (23.e4 b5+=) 23...Rae8 24.Qh4 c5 25.Qh5 Nh6 26.Rg2 Rf8 27.g5 (27.Re1!?+=) 27...Nf5–/+ (worse is 27...Qf5 28.Nd2 Qd3 29.gh6+/–) 28.gf6 (28.g6 h6–+) 28...Rf6–+ 29.Nh4? (better is 29.dc5 Bc5 30.d4–+) 29...Ng3 30.hg3 Rf1 31.Kh2 Rf6 32.Nf2 Bg3! 33.Kg3 Re3 34.Kh2 Qd6 35.Kh1 Re1 36.Rg1 Rg1 37.Kg1 Qg3 38.Kh1 Qf2 39.Qe8 Rf8 40.Qe7 Qf1 41.Kh2 Rf2 42.Kg3 Qg1 43.Ng2 Qg2 (43...Qg2 44.Kh4 Rf4 45.Kh5 Qg4#) 0–1. Lukac,J (2115) – Petenyi,T (2390), TCh–SVK Extraliga, 2011.

9.h3 Bh5 10.c4 dc4 11.Bc4 Rad8 12.d4 Rfe8 13.Nc3 Ne4 14.Nd5 Qf8 15.Nc7+= Ng5? 16.Ne8+– Nf3 17.gf3 Qe8 18.Be2 Qd7 19.Kh2 Qf5 20.f4 Bg6 21.Rg1 Re8 22.Bg4 Qe4 23.Rc1 Bd6 24.Qf3 f5? 25.Qe4 fe4 26.Bd7 Rb8 27.Bc6 bc6 28.Rc6 Rb2? 29.Rd6 Rf2 30.Kg3 Rf3 31.Kh4 Re3 32.f5?? Bf5+= 33.Rd8 Kf7 34.Rf1 Rh3=+ 35.Kg5 g6 36.Rd7?? Kd5 38.Rd1 Rf3 39.a4 Ra3 40.a5 Ra4 41.a6 Rd4?? 42.Rd4+– Kd4 43.Rc7 e3 44.a7 Be4 45.Re7 Bc6 46.Kh6 Kd3 47.Kh7 e2 48.Kg6 Kd2 49.Kf6 e1Q 50.Re1 Ke1 51.Ke7 Kd2 52.Kd6 Ba8 53.Kc7 Kc3= 54.Kb8 Be4 55.a8Q Ba8 ½–½. polynesia46 (1740) – carocan (1790), kurnik, 2011.

9.h3 Bh5 10.d4 Bd6 11.Nbd2 Na5 12.Rb1 b6 13.c4 Nc4 14.Nc4 dc4 15.Bc4 c5 16.Be2 Rfd8 17.Qa4 Rac8 18.Rbc1 Ne4 19.Rfd1 Re8 20.Qb3 c4 21.Rc4+/– Rc4 22.Bc4 Bf3 23.gf3 Ng5 24.Kg2 Qf6 (24...Qf6 25.f4 Ne4+/–). Fancsy,Imre (2400) – Szibert,A, Szivarvany rapid, 1994.

9.a3 Bd6

10.Nc3 a6 11.d4 Na5 12.h3 Bf3 13.Bf3 c6 14.Re1 Nc4 15.Bc1 Ba3 (worse is 15...Na3 16.e4 Nb5 17.Nb5 ab5 18.Ra8 Ra8 19.ed5=) 16.Ba3 Na3 17.Qc1 (17.e4!? Qb4 18.Qd3+=) 17...Nc4–/+ 18.e4 Qb4 19.Na2 Qd2 20.Qd2 Nd2 21.ed5 Nf3 22.gf3 Nd5 23.c4 Nf4 24.Kh2 Rfd8 25.Rad1 h6 26.Re7 Rab8 27.Nb4 Ne6 28.d5 Kf8 29.Re6? (29.d6–+) 29...fe6 30.Re1 (30.d6 c5 31.Na2–+) 30...ed5 31.cd5 c5 32.Nd3 Rd5 33.Nf4 Rf5 34.Ne6 Kf7 35.Kg2 Re8 36.Ng7 Rg5 37.Kf1 Rg1! 38.Kg1 Re1 39.Kg2 Kg7 40.f4 c4 41.f3 c3 42.Kf2 Re8 (42...Re8 43.Kg2 c2 44.h4 c1Q 45.f5 Re2 46.Kg3 Qg1 47.Kf4 Qh2 48.Kg4 Rg2 49.Kh5 Rg5#) 0–1. Neumann,Frank (1650) – Hansen,Marco (2290), RSLE–2009, 2009.

10.d3 a6 A) 11.Nc3 Rae8 12.Qd2 Ne5 13.Ne5 Qe5 14.f4 Qe3 15.Qe3–/+; B) 11.Qd2 Rae8 12.Nc3 Ne5 13.Ne5 Qe5 14.f4 Qe3 15.Qe3–/+; C) 11.h3 Bf5 12.Nbd2 b5 13.a4 b4 14.Rc1 Rfb8 15.Nb3=+; D) 11.Nbd2 b5 12.c4 dc4 13.dc4 Rfb8 14.Rc1 Ne4 15.cb5+/–.

10.d3 b5 A) 11.Nc3 a6 12.h3 Be6 13.Ng5 Bd7 14.Re1 Ne5 15.d4=+; B) 11.Qd2 Rfb8 12.Nc3 a6 13.h3 Be6 14.Ng5 Bd7 15.Rfb1=+; C) 11.Nbd2 Rad8 12.d4 Rb8 13.h3 Bc8 14.Re1 Bf5 15.Bd3=+; D) 11.a4 Rfb8 12.a5 Nb4 13.Nbd2 c5 14.Nb3 a6 15.Rb1=+; E) 11.Re1 Rfd8 12.Nc3 a6 13.Nd4 Nd4 14.ed4 Be2 15.Ne2–/+; F) 11.Ra2 Rfd8 12.Nbd2 Be6 13.Nb3 a5 14.Qd2 a4 15.Nbd4=+; G) 11.h3 Bf3 12.Bf3 Ne5 13.Re1 Rfe8 14.Nd2 c5 15.Qe2=+.

10.d3 Rab8 A) 11.Nc3 a6 12.Re1 Rfe8 13.a4 b6 14.Qd2 Qe6 15.Rab1=+; B) 11.Re1 Rfd8 12.Nc3 a6 13.Nd4 Nd4 14.ed4 Be2 15.Re2=+; C) 11.Qd2 b5 12.Nc3 a6 13.Rfb1 Rfe8 14.h3 Bf3 15.Bf3=+; D) 11.Nbd2 b5 12.Re1 Rfe8 13.h3 Bf5 14.e4 de4 15.de4=.

10.d3 Rfb8 A) 11.Re1 b5 12.Nc3 a6 13.Nd4 Bd7 14.Nc6 Bc6 15.Bf3=+; B) 11.Nc3 b5 12.Re1 a6 13.Nd4 Bd7 14.Nc6 Bc6 15.Bf3=+; C) 11.Nbd2 b5 12.Ra2 Be6 13.c4 a6 14.Qa1 Ne8 15.Qc1=+.

10.d3 Rfd8 A) 11.Nc3 a6 12.Re1 Na7 13.h3 Be6 14.Ng5 Bd7 15.Ra2=+; B) 11.Re1 b5 12.Nbd2 Rab8 13.e4 de4 14.Bf6 Qf6 15.Ne4=+; C) 11.Qd2 Kh8 12.Bf6 Qf6 13.d4 Ne7 14.Ra2 a6 15.Rb2=+; D) 11.Nbd2 b5 12.Re1 a6 13.a4 b4 14.h3 Be6 15.Rb1=+; E) 11.h3 Bc8 12.Re1 Be6 13.Bc3 Rab8 14.Nbd2 Nd7 15.Qc1=.

10.d3 Ne5 11.Ne5 Be2 12.Qe2 Be5 13.d4 Bd6=+ 14.Nd2 Rae8 15.c4 c6 16.Nf3 dc4 17.Qc4 Nd5 18.a4 f5 19.Ne5 Be5 20.de5 Rf7 21.a5 Qe6 22.g3 Rd7=+ 23.e4 fe4 24.Qe4 g6 25.f4= Ne7 26.Rad1 Red8 27.Rd7 Rd7 28.Ba3 Nf5 29.Qb4 Ne7 30.Rb1 Qa2 31.Qb3 Qb3 32.Rb3 Kf7 33.Bc5 Nc8 34.Kf2 Ke6 35.Ke3 Rd5 36.Bf8 b6= 37.ab6 ab6 38.g4 c5 39.Bd6 c4=+ 40.Rb1 b5 41.Bb4 Nb6?? (41...Nb6 42.Ke4 Rd3+/–; better is 41...g5=+). Kreuzer,Uwe – Schmitt, Heidelberg, 1991.

10.d3 Rae8 A) 11.Nbd2 Na5 12.Bc3 b6 13.Ba5 ba5 14.c4 Ba3 15.cd5=; B) 11.Re1 b6 12.Nbd2 Na5 13.h3 Be6 14.Nd4 c5 15.Ne6=; C) 11.Qd2 a6 12.Nc3 Ne5 13.Ne5 Qe5 14.f4 Qe3 15.Qe3–/+; D) 11.Nc3 a6 12.h3 Be6 13.Re1 b5 14.Qc1 Na5 15.Qd2=.

10.d3 Rfe8 A) 11.Nc3 a6 12.Re1 b5 13.h3 Be6 14.Qd2 Ne5 15.Ne5=+; B) 11.Re1 Rad8 12.Nbd2 b5 13.a4 b4 14.c4 Bf3 15.Bf3=+; C) 11.h3 Bf3 12.Bf3 Ne5 13.a4 c6 14.Nd2 Qe6 15.Rb1=+; D) 11.Qd2 a6 12.Nc3 Ne5 13.Ne5 Qe5 14.f4 Qe3 15.Qe3–/+; E) 11.Nbd2 Be6 12.Qb1 a6 13.Bc3 b5 14.Qb2 Nh5 15.Ne1=.

10.d4 Rad8 11.Nbd2 Ne4 12.c4 Nd2 13.Nd2 Be2 14.Qe2 dc4 15.Nc4 Bf4 16.d5 Rd5=+ 17.Qf3 Bh2–/+ 18.Kh2 Qh4 19.Qh3 Qc4–+ 20.Kh1? Rd2 21.Rab1?? Qd3 22.f4?? Ne7 23.Bd4 b6 24.Rbc1 Nf5 25.Be5 c5 26.Rf3 Qe4 27.Qg4 f6 28.Rh3 fe5 29.Kg1 ef4 30.ef4 Ne3 31.Re3 Qe3 32.Kh2 Qf4 (32...Qf4 33.Qf4 Rf4–+; 32...Rf4 33.Qg3 Qe5 34.Re1 Rh4 35.Kg1 Qg3 36.Re8 Kf7 37.Re7 Ke7 38.Kf1 Rh1#) 0–1. Towns,Barry – Ditt,Egon, Canadian op Winnipeg, 1997.

10.d3 Rad8

11.Nc3 a6 12.Qd2 Rfe8 13.h3 Be6 14.Rfb1 b5 15.Na2 =+.

11.Nbd2 a6 12.c4 Be6 13.Qb1 dc4 14.Nc4 Bc4 15.dc4 =.

11.Nbd2 h6 12.Re1 Rfe8 13.Qc1 Ne5 14.Ne5 Be5 15.Bg4 Ng4 16.Be5 Qe5 17.Nf3 Qd6 18.Qb2 b6 19.h3 Ne5 20.Nd4 Qf6 21.Qc1 c5 22.Ne2 Ng6 23.Ng3 Qg5 24.Qd1 Rd7 25.Qh5 Qh5 26.Nh5 Rde7 27.Ng3 Nh4 28.Re2 g5 29.Nh5 Re6 30.Rae1 f5 31.Kf1 Kf7 32.Ng3 Kf6 33.Nh5 Kg6 34.Ng3 b5 35.c3 Ra6 36.Ra1 Ra4 37.Rb2 Rb8 38.Rba2 Rb6 39.Ne2 Rba6 40.g3 Nf3 41.Kg2 Ne5 42.Nc1 b4 43.cb4 cb4= 44.d4 Nc6 45.ab4 Ra2 46.Ra2 Nb4 47.Rb2 Rb6 48.Rb3 Kf6 49.Ra3 Ra6 50.Rb3 Ra4 51.Nd3 Na2 52.g4 Ke6?? 53.Kf3 Ra6?? 54.Rb5 (better is 54.Nc5 Kf6 55.Na6 fg4 56.hg4+–) ½–½. Nyikos,Laszlo – Augustat,Siegfried (1755), 14sen.LSenEM Brandenburg op, 2006.

11.Re1 Be6 12.Nc3 a6 13.Qb1 Rfe8 14.Nd1 b5 15.Bc3 –/+.

11.h3 Be6 12.Bc3 Bc5 13.Nbd2 d4 14.ed4 Nd4 15.Bd4 =+.

8.0–0 Be7

9.a3 a6 10.h3 (10.d3 Qd6+=) 10...Be6+= 11.d4 (11.Re1 Bd6+=) 11...b5 (11...Re8 12.Nbd2+=) 12.Nbd2= Na5 (12...Re8 13.a4 b4 14.Rc1=) 13.Ne5 (13.Re1 Ne4=) 13...Bd6 (13...Nd7 14.Nb3 Nc4 15.Bc4 bc4 16.Nc6=) 14.Bf3 (14.a4 Qe8=) 14...Nd7 (14...Re8 15.Bc3 Nb7 16.a4=) 15.e4 (15.Nd7 Qd7 16.e4 de4 17.Ne4 Rae8+=) 15...Ne5 (15...Nb6 16.ed5 Nd5 17.Re1=) 16.de5 Be7 17.ed5 Bd5 18.Bc3 Nc4 (18...c6!?=) 19.Nc4+= bc4?? (better is 19...Bc4 20.Ba8 Bf1+=) 20.Bd5+– 1–0. Janek – Ferenc, internet, 2017.

9.c4 Qd6 10.d4 Rad8 11.Nbd2 Rfe8 12.c5 Qd7 13.Bc3 Bf8 14.Rb1 Rb8 15.Qc2 Bf5 16.Bd3 Bd3 17.Qd3 b6 18.cb6 ab6 19.Rfc1 Ra8 20.Rc2 Bd6 21.Qb5 Ne7 22.Kf1 (22.Qd7 Nd7 23.Bb4 c5 24.dc5 bc5=) 22...Qb5 (22...Qf5 23.Rbc1+=) 23.Rb5 Ra4 24.Rbb2 Ng6 25.g3 Rea8 ½–½. Pereira,Prashant – Niewold,Jaap (1730), IECG, 2004.

8.a3 Bd6

9.0–0 =+.

9.d3 Qd7 10.Nbd2 Rae8 11.h3 Bf5 12.g4 Bg6 13.g5 Nh5= 14.Nf1 f6 15.h4 f5=+ 16.N3d2 Qf7 17.Bf3 d4 18.Nc4 Bc5 19.Kd2 f4 20.e4?? b5–+ 21.e5 bc4 22.dc4 Ne5 23.Be2 Nc4 24.Bc4 Qc4 25.Kc1 Bc2! 26.Nd2 Bd1 27.Nc4 Bb3 28.Nd2 Bd5 29.f3 Ng3 30.Rh2 Re3 31.Kc2 d3 32.Kc3 Ne2 (32...Ne2 33.Re2 de2 34.Kc2 e1Q 35.Re1 Re1–+) 0–1. Amor Alcaide,Manuel (2065) – Navarro Alvarez,Antonio (2110), Barcelona Rubi op–A 5th, 2004.

8.h3 Bh5

9.0–0 a6 10.a3 Bd6 11.c4 dc4 12.Bc4 Ne5 13.Be2 Re8 14.Ne5 Be5 (14...Be2!? 15.Qe2 Be5 16.Be5 Re5=) 15.Bh5+= Bb2 16.Bf7 Kf7 17.Qb3 Qd5 18.Qb2 c5 19.Nc3 Qc6 20.Ne2 b5 21.Qa2 Kf8 22.Rfc1 Qd6 23.d4 c4 24.Nc3 g5 25.Qe2 Ra7 26.Re1 h5 27.d5 g4 (27...Nd5 28.Qd1 Double attack (28.Qh5 Deflection; 28.Qd1 Decoy)) 28.e4 Qe5 29.Qe3 ½–½. Lukac,J (2115) – Klemanic,E (2255), TCh–SVK Extraliga, 2011.

9.0–0 Re8 10.d3 Ne7 (10...a6 11.Nbd2=) 11.Nbd2 c5 (11...Nc6 12.c3 Ba5 13.c4=) 12.c4 (12.Nb3 c4 13.dc4 dc4 14.Qd8 Red8 15.Bc4 Ned5+=) 12...Nc6 (12...Qd6 13.Nb3 Nc6 14.a3+=) 13.Nb3 (13.Bf6!? gf6 14.cd5 Qd5 15.Ne4+/–) 13...dc4= 14.dc4 Qe7 15.a3 Rad8 16.Qc1 Na5 17.Bf6 (worse is 17.ab4 Nb3 18.Qc3 Na1 19.bc5 Qc5 20.Ra1 a6–/+) 17...Qf6 18.Rb1 Nb3 19.Rb3 Ba5 20.Rd1 (20.Rb7 Bb6 21.Rd1 Qc6 22.Rd8 Rd8+=) 20...Rd1+= 21.Qd1 Rd8 22.Rd3 Rd3 (22...Bg6 23.Rd8 Qd8 24.Qa4+=) 23.Qd3= h6 24.Qd7 g5 (24...Qc6 25.Qe7 f6 26.Nd4=) 25.Qc8 (25.g4 Bg6 26.Qb7 Bb6+/–) 25...Kg7+= 26.g4 Bg6 27.Qc5 (27.Qb7 Bb6+=) 27...Bb6 28.Qb4 Be4 29.Kg2 (29.c5 Bf3 30.Bf3 Qf3 31.cb6 ab6 32.Qb2 Kg8 33.Qb6 Qh3 34.Qd8 Kg7=) 29...Qe5 (29...Qc6 30.Qb2 f6 31.Qd2=) 30.Qd2 Kf8 31.Bd3 Bf3 (better is 31...Bc6!?=) 32.Kf3+/– Bc5 33.Qa5 Qd6 34.a4 (34.Be4!?+/–) 34...b6 35.Qc3 Kg8 36.Ke2 Qh2 37.Qf6 Qh3 38.Qf5 a5?? (better is 38...Kf8+=) 39.Be4+– Qh2 40.Qh7 (better is 40.Bd5!? Qc7 41.Qg6 Kf8 42.Qh6 Ke8 43.Qg5 Kf8+–) 40...Kf8 41.Bd5 Qc7 (41...Ke7 42.Qf7 Kd8 43.Qg8 Ke7 44.Qe6 Kd8 45.Qf6 Kc7 46.Be6+–) 42.Qh6 Ke8 43.Qg5 Qd7 (43...Qd6 44.Qg8 Qf8 45.Bf7 Ke7 46.Qf8 Kf8 47.Bd5+–) 44.Qe5 (44.Qg8 Ke7+–) 44...Be7 (44...Kd8 45.Qf6 Kc8 46.g5+–) 45.Qe4 Kf8 46.Qf4 Bd6 47.Qh6 (47.Qf3 Be5+–) 47...Ke8 48.Kf3 (48.Kd3 Qe7+–) 48...Kd8 49.Qf6 Kc7 (49...Qe7 50.Qb2 Bc5 51.Qg7+–) 50.Qf7 Be7 51.Qe6 (better is 51.Be6!? Qd8+–) 51...Qe8?? (51...Qe6 52.Be6 Kd6+–) 52.Ke4 1–0. Brazhnikov,Vladimir – Izmestiev,Ilija, Novokuznetsk Winter Open, 2010.

9.0–0 Re8 10.Re1 Qd6 11.c3 Ba5 12.d4 Ne7 13.Nbd2 c5 14.Rb1 c4 15.Ng5 Bg6–/+ 16.e4 Ne4 17.Nde4 de4 18.Bc4 h6 19.Ne4 Be4 20.Re4 Nf5 21.Qf3+– Bc7 22.Bf7! Kf7 23.Re5?? Re5=+ 24.de5 Qe5 (24...Qe5 25.g4 Kg8 26.gf5 Rf8=). gtate (2020) – maaac (2380), net–chess.com, 2006.

7.Nf3 h6

8.0–0 a6 9.c4 Be6 10.a3 Be7 11.Qc2 dc4 12.Bc4 Bc4 13.Qc4 Qd5 14.Qc2 Rad8 15.d4 Ne4 16.Nc3 Nc3 17.Bc3 f5 18.Rab1 b6 19.Bb4 Nb4 20.ab4 Bd6 21.Rfc1 Ra8 22.Qc4 (22.Qd3 c5 23.bc5 bc5+=) 22...Qc4 23.Rc4 a5 24.ba5 Ra5 25.g3 Rfa8 26.Rc6 Ra1 27.Ra1 Ra1 28.Kg2 b5 29.Ne5 b4–/+ 30.Rc2 Rb1 31.Nc4 b3 32.Rb2 Rb2 33.Nb2 Ba3 34.Na4 c5! 35.dc5 Bc5! 36.Kf3 Kf7 37.Ke2+= g5 38.Kd3 Ba7 ½–½. Kotula,Konrad (1810) – Kaczmarczyk,Pawel, XXVII Turniej Szachowy Juniorow Poland, 2010.

8.0–0 Ne4 9.d3 Nf6 10.Nc3 =.

8.0–0 Be7 9.d4 Be6 (9...Be6 10.Ba3 Nb4=). matro – JesusIsMyLord, Caissa.com, 2004.

8.a3 Bd6 9.c4 dc4 10.Bc4 Re8 11.Qc2 Ne5 12.Ne5 Be5 13.d4 Bd4 14.Bf7 Kf7 15.Qc4 Qd5 16.Qd5 Nd5 17.Bd4 Nf4 18.g3 Nd3 19.Ke2 Bf5 20.f3 Rad8 21.Bc3 Nc5 22.e4 g5 23.g4 Ne4 24.Kf1 Ng3 25.hg3 Rd1 26.Kf2 Rh1 27.gf5 Rd8 28.Ke3 Rdd1 29.Ra2 Rb1 30.Rd2 Rbe1 31.Kf2 Rd1 32.Ke2 0–1. purplegadge (1795) – plonius (1770), gameknot.com, 2011.

8.0–0 Be6

9.a3 Bd6 10.d3 Qe7 11.Nbd2 Rad8 12.Nb3 a6 13.Qc1 Nd7 14.d4 Nb6 15.Nfd2 Na4 16.c4 dc4 17.Bc4 Nb2 18.Qb2 b5 19.Be6 Qe6 20.Rac1 Ne7 21.Nc5 Bc5 22.Rc5 c6 23.Rfc1 Rd5 24.Nb3 Rfd8 25.Qc3 Qd6 26.Qa5 f5 27.R5c2 f4 28.e4 Rg5 29.f3 b4 30.e5 Qd7 31.Qb4 Nd5 32.Qc4 Kh8 33.Qc6 Qc6 34.Rc6 Ne3 35.g4 fg3 36.hg3 Rg3 37.Kf2 Nf5 38.Rc8 Rc8 39.Rc8 Kh7 40.Rf8 Rg5 41.d5 Ne7 42.f4 Rh5 43.d6 Nc6 44.e6 Rh2 45.Ke3 Rh3 46.Ke4 Rb3 47.e7 1–0. Oprisor,R – Sonoc,Dorin (1900), Deva tt, 1998.

9.Nc3 Ne4 =.

9.d3 Bd6 10.Nbd2 Ng4 11.d4 Ne7 12.c4 c6 13.Qb3 Qb8 14.h3 Nh2 15.Rfb1 Nf3 16.Nf3 dc4 17.Bc4 Bd5 18.Bd5 cd5 19.Ba3+= b6 20.Ne5 Rd8 21.Rc1 Be5 22.Be7 Bh2 23.Kf1 Re8= 24.Ba3 Bd6 25.Kg1 Ba3 26.Qa3 Re6 27.Rc2 Qd8 28.Rac1 Qg5 29.Qd3 Rg6 30.g3 Re8 31.Rc8 Rge6 32.R1c7 a5 33.Rc6 Qe7 34.Qb3 Rc6 35.Rc6 Qd7 36.Rb6 Qh3 37.Qd5 Rc8 38.Rb1 a4 39.Qe4 g6 40.d5 Qd7 41.Kg2 Re8 42.Qd4 Qf5 43.Rb4 a3 44.d6 Qc2 45.d7 Qc6 46.e4 Rd8 47.Rb3 f5 48.f3 fe4? 49.Qe4+– Qe4 50.fe4 Rd7 51.Ra3 Kf7 52.Ra6 Rd3 53.a4 Re3 54.Kf2 Re4+= 55.Ra8 Kf6 56.a5 Ra4 57.a6 h5 58.Kf3 Ra3 59.Kf2 Kf5 60.a7 Kg5 61.Kg2 Ra1 62.Kf2 Ra2 63.Kf3+= Ra6 64.Kf2 Rf6 65.Kg2 Rf7+= 66.Kh2 Rg7 67.Kh3 Rb7 68.Kg2 Rc7 69.Kf2 Rf7 70.Kg2 Kf6 71.Kh3 Kf5 72.Kh4 Kf6 73.Kh3 Kg5 74.Kh2 Rb7 75.Kg1 Rg7 76.Kf2 Kg4 77.Kg2=+ g5 78.Kh2?? Rb7 79.Kg2 Rb2 80.Kf1 Ra2 81.Ke1 Ra3 82.Kf2=+ Rf3 83.Ke2 Rf7 84.Ke1 Rg7?? 85.Kf2 Re7 86.Kg2 Rc7 87.Kf2 Rc2 88.Ke1 Ra2 89.Kf1 Ra5 90.Kg2 Ra6 91.Kf2 Rf6 92.Kg2 Rf7 93.Kg1 Rd7 94.Kg2 Rc7 95.Kf1 Rc1 96.Kg2 Ra1 97.Kf2= Ra2 98.Kf1 Kg3–/+ 99.Rg8 Ra1 100.Ke2 Ra7 101.Rg5 Kh4 102.Rg8 Rf7 103.Rg6 Kh3 104.Rg8 h4 105.Rg6 Kh2 106.Rg8 h3 107.Rg6 Kh1 108.Rg8 Ra7 109.Rf8 Ra2 110.Kf1 Ra1 111.Kf2 Rg1 112.Rf7 Rg2 113.Kf1 Kh2 114.Rf3 Rg1 115.Kf2 Ra1 116.Rf8 Kh1 117.Rf7 Rg1 118.Rf8 h2 119.Rf7 Rd1 120.Rf8 Ra1 121.Rf6 Rg1= 122.Rf8?? Rg2–+ 123.Kf1 Ra2 124.Rf7 Ra1 125.Kf2 Ra2?? 126.Kf1 Ra1?? 127.Kf2= Ra2?? (Better is 127...Rb1–+). Autengruber,Robert – Roesch,Otto, Erlangen op, 1994.

9.d3 Qe7 10.Nbd2 Bc5 11.d4 Ba3 12.Rb1 Bb2 13.Rb2 Na5 14.Ne5 Nd7 15.Nd7 Qd7 16.Bd3 b6 17.Qe2 Bg4 18.f3 Bf5 19.Bf5 Qf5 20.e4 Rfe8 21.Qd3 Qe6 22.e5 Nc4 23.Nc4 dc4 24.Qe4 c5 25.c3 cd4 26.cd4 Red8 27.Rc1 Rac8 28.Rb4 Rc7 29.Rc3 a6 30.a4 a5 31.Rb2 Qd7 32.Rb6 Qa4 33.Qe3? Qd1–/+ 34.Kf2 Qd4 35.Qd4 Rd4 36.Rb5 Rd2 37.Kg3 Ra2 38.Rb8 Kh7 39.Ra8 Rc5 40.f4 Rb2 41.Rc1 c3 42.Kf3 Rd2 43.Rb8? c2 44.Rb2 Rc3 45.Ke4 Rg2 46.h4 Rd2 47.Ra2 Rc5 48.Ke3 Rh2 49.Kd4 Rc7 50.h5 Kg8 51.Ra5 Rh5 52.Ra2 Rh2 53.Kd3 g6 54.Rb2 h5 55.Ke4 Kg7 56.Ra2 h4 57.Raa1 Kh6 58.Rf1 Kh5 59.Rac1 h3 60.Kd3 Kg4 61.Kd4 Rg2 62.Ke4 h2 63.Kd4 Kh3 64.Rh1 Rd2 65.Ke3 Rd1! 66.Rcd1 cd1Q 67.Rd1 Rc2 68.Kf3 Rg2 69.Rd8 Rg3 (69...Rg3 70.Kf2 Rf3 71.Ke2 Rf4–+) 0–1. Kotainy,Jens (2030) – Zikeli,Saskia (2090), GER–chT Lands, 2007.

9.d3 Qe7 10.Nbd2 Rad8 11.Rb1 b6 12.c3 Bd6 0–1. Essen,Wim van (1930) – Thierry,Rein D. J (2250), Dutch, 2009.

9.Ne5 Ne5=+ 10.Be5 Bd6 11.Bd6 Qd6 12.Nc3 c6 13.Rb1= b6 14.d3 d4–/+ 15.ed4 Qd4 16.Qd2 Nd5 17.Ne4 Qe5 18.Bf3= Bd7 19.Rfe1 Qf4 20.Qf4 Nf4 21.Nd6 Ne6 22.c3 Ng5 23.Be2 Be6 24.f4 Nh7 25.a4 Nf6 26.f5 Bd7 27.Bf3 Ne8 28.Nb5 a6? 29.Nd4+– Rb8 30.Bc6 Bc6 31.Nc6 Rb7 32.Re7 Re7 33.Ne7 Kh7 34.Rb6 (34…Nc7 35.Rc6+–) 1–0. Harthimmer,Arne – Mennie,Norman, corr Malyszko Memorial, 1995.

8.0–0 Bf5

9.d3 Rb8 10.Nbd2 b5 11.a4 ba4 12.Qc1 Nd7 13.Ra4 a5 14.Ra2 Nb6 15.Qa1 f6 16.c3 Be7 17.Nd4 Nd4 18.cd4 a4 19.Ba3 Ba3 20.Ra3 Qd6 21.Rc1 Rb7 22.Bf3 Rfb8 23.Rc5 Bg6 24.h3 Be8 25.Qc1 Ra7 26.Nf1 c6 27.Bd1 Bd7 28.Ng3 f5 29.Ne2 Be8 30.Ra2 Rc8 31.Nf4 Rca8 32.Rc3 Rc8 33.Ra1 Ra5 34.Rc5 Ra7 ½–½. Benassi,Aspasio (2140) – Morcin,Tom (2020), SA–2012–0–00269, 2012.

9.d3 Qe7

10.Nbd2 Rab8 11.Rb1 Rfe8 12.c4 Be6 13.Qc2 a6 14.Rfc1 Nd7 =.

10.Nbd2 Rad8 11.a3 Bc5 12.d4 Bd6 13.c4 Qe6 14.cd5 Nd5 (worse is 14...Qd5 15.Bc4 Qa5 16.d5+=) 15.Re1 Rfe8 (15...Bh7!?=) 16.Bc4+= Na5? (better is 16...Be4+=) 17.Ba2+– Be4 18.Ne4 Qe4 19.Nd2 Qg6 (19...Qh4 20.g3 Qg5 21.h4+–) 20.Bd5 Bh2 21.Kh2 Rd5 22.e4 Rg5 23.Qf3 Re6 24.d5 Rd6 25.Kg1 (25.e5 Rf5 26.ed6 Rf3 27.dc7 Rf2 28.c8Q Kh7+–) 25...c6 26.Bc3 b6 27.Ba5 ba5 28.dc6 Rc6 29.e5 Qe6 30.Rad1 Qc8 31.Re3 Qc7 32.Qd5 Rc1 33.Nf3 Rg6 34.Rc1 Qc1 35.Kh2 Qc7 36.Qa8 Kh7 37.Rd3 Rg4 38.Rd8 Qc2 39.Qa7 Rf4 40.Rf8 Qa2 41.Qb7 Qf2 42.Rf7 (42.Rf7 Rh4 43.Nh4 Qh4 44.Kg1 Qd4 45.Kf1 Qa1 46.Kf2 Qe5 47.Qe7 Qd4 48.Qe3+–) 1–0. Hoch,Hubertus (2325) – Malmstroem,Jan (2235), RSM2009 www.remoteschach.de, 2010.

10.Nbd2 Rad8 11.Rb1 Rb8 12.c4 Be6 13.Qa4 Nd7 14.a3 Bd6 =.

10.Nbd2 Rad8 11.c4 dc4 12.Nc4 Ne4 13.Qc2 Nd6 14.a3 Nc4 15.Qc4 Bd6 16.Qc3+= f6 17.d4 Qf7= 18.Nh4 Be6 19.Qc2 f5 20.Bd3 Qh5 21.g3 Be7 22.Ng2= Bd6 23.Bc4 Qf7 24.Be6 Qe6 25.Rab1 Qa2 26.Qc3 Qd5 27.Ba1 b6 28.a4 a5?? 29.Rb5+/– Qe4 30.f3+– Qe8 31.d5 Be5 32.Qc6 Qe7 33.Qe6 Qe6 34.de6 Bd6 35.Be5 Bc5 36.Rc5! (36.Rc5 bc5 37.e7+–) 1–0. Schumacher,Dirk – Montag,Ralf, Landesliga2 West, 1999.

10.Nbd2 Rad8 11.c4 Bd2 12.cd5 Rd5 13.Qd2 Rfd8 14.d4 Ne4 15.Qc1 Qb4 16.Re1 Rc8 17.Qc4 Qc4 18.Bc4 Ra5 19.a3 Rd8 20.Rac1 Be6 21.Bd3 f5 22.Red1 Bb3 23.Rf1 Be6 24.Be2 Kf7 25.Rfd1 Bb3 26.Re1 g6 27.Bd3 Bd5 28.Nh4 Be6 29.Bf1 g5=+ 30.Nf3 Kg6 31.Re2 Rb5 32.Ne1 Rb6 33.Nd3 Rb3 34.Rec2 Bd5 35.Be2 Nf6 36.Nc5 Rb6 37.f3 Re8 38.Kf2 h5 39.Bc3 Rf8 40.Re1 g4 41.Nd3 Bb3 42.Rcc1 Nd5 43.Bd2 Re8 44.Rc5 Rd8 45.Bf1 gf3 46.gf3 Kh7 47.Bh3 Nce7? 48.Ba5 Rc6 49.Rc6+– bc6 50.Rc1 Rb8 51.e4 Rb5 52.Be1 Nf6 53.Ke3 a5 54.Bh4 Nfg8 55.Bf1 Rb8 56.Nc5 Bf7 57.Be1 Nf6 58.Ba5 fe4 59.fe4 Ng4 60.Kf4 Nh2 61.Bc7 Rb2 62.Bh3 Ng6 63.Ke3 Ra2 64.Nd3 Nh4 65.Bh2 Rh2 66.Nf2 Bg6 67.Rf1 Bf7 68.a4 (68.a4 Bb3 69.a5+–) 1–0. pierre – shivers, internet, 2006.

10.Nbd2 Rfe8 11.Re1 Rab8 12.a3 Bd6 13.c4 Be6 14.cd5 Nd5 =.

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