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TESTF205 Release 2017-09-25
Send your 1.b4 games to me, please. Thank you! /Marek
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(c) Marek Trokenheim

1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0–0

(...)

6.Qc2 d6 7.Nf3 Bg4 8.e3 Re8 9.Be2 d5 10.a3 Be7 11.0–0 dc4 12.Qc4 Be6 13.Qc2 Nd5 14.d4 f5 15.Bd3 Qd7 16.Bb5 Bd6 17.Ne5 Nd4!–/+ 18.Bd7 Nc2 19.Be8 Re8 20.Nc4 Bc5 21.Nbd2 Na1 22.Ba1 b5 23.Ne5? Ba3 24.Nc6 Bd7 25.Ne5 Bc8 26.Bd4 c5 27.Ba1 a5 28.Rb1 a4 29.Rb5 Bb4 30.Ndc4 Ba6 31.Rb4 cb4 32.Nd6 Rd8 33.Ndf7 Rc8 (33...Rc8 34.Bb2 Rc2–+) 0–1. dannyboy238 – tired rook, ChessWorld.net, 2004.

6.Nc3 b6 7.Nf3 Bb7 8.Rb1 Re8 9.e3 a6 (9...Bc3 10.Bc3 a5 11.c5=) 10.Be2 d5 (10...Ne4 11.Ne4 Re4 12.0–0=) 11.cd5 (11.a3 Bc3 12.Bc3 Ne4=+) 11...Ne7 (11...Nd5 12.0–0=+) 12.0–0 Ned5 (< 12...Bd5 13.Nd5 Ned5 14.Bf6 gf6 15.Bc4+/–) 13.Nd5 Nd5 14.Qb3 Bd6 (14...Qd6 15.a3 Bc5 16.d4+–) 15.Bc4= Qd7 16.g3 (16.Bg7 Bh2 17.Kh2 Kg7+=) 16...Qf5=+ 17.Nd4 Qh5 18.Be2 Qh3 (18...Qg6 19.Bf3 Re5 20.Nc6 Bc6 21.Be5 Be5 22.Bd5 Bd5 23.Qd5+–) 19.Bf3= Rad8?? (19...Re5 20.Nc6 Bc6 21.Be5–+) 20.Rfc1?? (better is 20.Bd5 Bd5 21.Qd5 Bg3 22.Qg2 Qg2 23.Kg2+–) 20...c5 (20...Be5 21.Nc6 Bb2 22.Qb2=+) 21.Ne2 (better is 21.Bd5!? Bd5 22.Qd5 cd4 23.Qd4+/– (23.Bd4 Bg3 24.Qh1 Be5=+)) 21...Bc7 (21...Qe6 22.e4 Nb4 23.Rc4–/+) 22.a3 (better is 22.d3=+) 22...Ne3?? (22...Qf5 23.e4 Re4 24.Be4 Qe4–/+) 23.Bb7+= Ng4 24.Qf3 Qh2 (24...Rd3 25.Qh1 Re2 26.Ba6 Nf2 27.Bd3 Nh1 28.Be2 Ng3 29.hg3 Bg3 30.Bd4 Qh2 31.Kf1 Qh1 32.Bg1 Qh3) 25.Kf1+= Qh3 26.Qg2 (26.Ke1!? Nh2 27.Qg2+/–) 26...Qg2= 27.Bg2 Rd2 28.Re1 Nh2 (28...Bg3 29.fg3 Ne3 30.Kf2 Ng2 31.Kg2 Rde2 32.Re2 Re2 33.Kf3–/+) 29.Kg1 Rde2 30.Re2 Re2 31.Kh2 Rf2 32.Kh3 f5 (32...Re2 33.Bf3 Rd2 34.Bc3–/+) 33.Be4?? fe4–+ (34.Kg4 h5 35.Kh5 Bg3–+) 0–1. Woschkat,Karl_Heinz – Kilpatrick,Robert, corr 3GMM–01, 1995.

6.Nc3 Bc3 7.Bc3 d5 8.d4 Be6 9.c5=+ Ne4 10.Bb2 Re8 11.Nf3 Qf6 12.e3 a6 13.Be2 Rab8 14.0–0 Nc5!–/+ 15.Qc2 Ne4 16.Ne5 Qd8 17.Nc6= bc6 18.Ba6 Rb6 19.Bd3 Qg5 20.f4 Qg4 21.Be4 de4 22.Ba3 Ra6 23.Bc5 Bd5 24.a3 h6 25.h3 Qe6 26.f5 Qc8 27.Qe2 Rd8 28.Rf4 Ra5 29.Qh5 f6? 30.Rg4+– (30.Rg4 Kh8 31.Be7+–) 1–0. Garbacki – Kowalkowski, corr 1. AMM Poland, 1991.

6.e3 a5 7.Nf3 a4 8.a3= Be7 9.Nc3 d5 10.cd5 Nd5 11.Na4 Bg4 12.Be2 Bf6 13.d4+= Nb6 14.Nb6+– White is in command 14...cb6 15.0–0 Ra5 16.Bc3 Rh5 17.e4 Rh6 18.e5 Be7 19.d5 Na5 20.d6 Bg5 21.Ng5 Be2 22.Qe2 Qg5 23.Bd2 Qg6 24.Bh6 Qh6 25.f4 Nb3 26.Rab1 Nd4 27.Qe3 Nf5 28.Qb6 Qg6 29.Rfd1 Qg4 30.d7 (30.d7 Ne3 31.Qe3+–) 1–0. pierre (2185) – Harnas (1800), internet, 2007.

6.e3 Na5 7.a3 Be7 8.d4 d5 9.cd5 Qd5 10.Nc3 Qb3 11.Qb3= Nb3 12.Rd1 c6 13.Bd3 Rd8 14.Bc2 Na5 15.Bd3 Be6 16.Nge2 Nc4=+ 17.Bc4 Bc4 18.0–0 b5–/+ 19.Rfe1 a5 20.Ra1 b4 21.ab4 ab4 22.Na4? Bb5–+ 23.Nc5 Bc5 24.dc5? Ra1–+ 25.Ba1 Be2 (25...Be2 26.f3 Rd2–+) 0–1. Loetzbeier – Zimmer, (year?).

6.e3 d6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d6 6.Bb2 Nc6).

6.e3 Ne4 7.Nf3 d5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Ne4).

6.e3 Qe7 7.Nf3 Qd6 8.Be2 Ne4 9.0–0 f5 10.d3 Nf6 11.Nc3 Ne5 12.Nb5 Nf3 13.Bf3 Qe6 14.Nc7 Qd6 15.Na8 b6 16.Qb3 Ng4 17.c5 Qe6 18.Bd5 Bc5 19.Be6 de6 20.d4 Bd6 21.Ba3 Bh2 22.Kh1 Bb7 23.Nc7 1–0. rvac066 – ssandro, internet, 2014.

6.Nf3 a6 7.c4 d6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d6 6.Bb2 Nc6 7.Nf3 a6).

6.Nf3 b6 7.e3 Bb7 8.Be2 Re8 (8...Qe7 9.0–0+=) 9.0–0= d5 10.cd5 Nd5 11.a3 Bd6 12.d3 Qe7 13.Re1 Rad8 14.Nbd2 Ne5 15.Nd4 (15.Ne4 c5=) 15...c5+= 16.Nf5 Qe6 17.Nd6 Rd6 (17...Qd6 18.Qb3+=) 18.d4 (18.Be5!? Qe5 19.Nc4+/–) 18...Qg6= 19.g3 (19.de5? Ne3 20.g3 Nd1 21.ed6 Nb2–+) 19...Nd3 20.Bd3 Qd3 21.e4 Rde6 22.dc5 bc5 (22...f5=) 23.Qg4 (23.Rc1!?+=) 23...f6+= 24.a4?? (better is 24.Qe2 Qe2 25.Re2+=) 24...Qd2–+ 25.Bf6 (25.Rab1–+) 25...Nf6 26.Qd1 Qd1 27.Red1 Re4 28.h3 Rd4 29.Rdc1 c4 30.a5 Bf3 31.Ra3 Rd3 32.Ra4 Red8 33.g4 Rd1 34.Rd1 Rd1 35.Kh2 Ne4 0–1. Pfueller,Volker (1795) – Zimmermann,Manfred (1920), Schleswig Holstein–ch Seniors, 2009.

6.Nf3 Be7 7.e3 Re8 8.Nc3 d5 9.cd5 Nd5 10.Be2 Bf6 (10...Nc3 11.dc3 Be6 12.0–0+=) 11.d4 Bf5 (11...Nc3 12.Bc3 Be6 13.Bd3=) 12.0–0 Nc3 13.Bc3 Ne7 (13...Qd5 14.Qb3 Ne7 15.Bc4+–) 14.Bd3 Bd3 15.Qd3 c5 16.Rfd1 Nd5 17.Bb2 (17.Qc4 Nc3 18.Qc3 cd4 19.Nd4 Be5=) 17...cd4 (17...Rc8!?+=) 18.Bd4+= Bd4 19.Nd4 Qf6 20.Qb3 Nb6 21.Nb5 Rec8 22.Rac1 Rc1 23.Rc1 Rc8 Threatening mate... how? 24.Rd1 a6 (24...Ra8 25.Nd6+=) 25.Nd4 (25.Nd6 Rc6 26.Nf7 Rc3 27.Nh6 Kf8 28.Qg8 Ke7 29.Qd8 Ke6 30.Qd6) 25...g6 (25...Rd8 26.a3+=) 26.g3 (better is 26.Rb1!?+/–) 26...Rc7 27.Rb1 Nd7 28.Qd5 b5 ½–½. Wessel,Volkmar – Kiene,Hans Olaf, Schleswig Holstein–chB, 1989.

6.a3 Bc5

7.d4 Bb6 8.e3 d6 9.Bd3= Re8 10.Ne2 d5 11.cd5 Qd5 12.0–0 Bf5 13.Nbc3 Qd7 14.Bf5 Qf5 15.Rc1 Rad8 16.Na4 Qg5 17.Nb6 ab6 18.Ng3 Rd7 19.Qc2 b5 20.Qe2 Na7 21.e4 c6 22.f4 Qh6 23.Rc5 Nc8 24.Rg5 Nd6 25.d5 cd5 26.Bf6 Qf6 27.Rd5 Rdd8 28.e5+/– (28.e5 Qe7 29.Rd6+– (29.ed6?! Qe2 30.Ne2 Re2+/–)) 1–0. Kruimer,Wim – Malmstroem,Jan, TT–03.13 TSC, 2002.

7.d4 Be7 8.d5 =.

7.e3 Re8 8.Nf3 d5 9.Be2 Bb6 10.cd5 Nd5 11.0–0 Qe7 12.Nc3 Be6 13.Qc2 Rad8 14.Nd5 Rd5 15.Qc3 f6 16.d4 Na5 17.a4 c5 18.dc5 Rc5 19.Qb4 Nb3 20.Rab1= Ra5 21.Qe7 Re7 22.Bc3 Ra4 23.Bd1 Nc5 24.Ba4 Na4 25.Bb4 Rd7= 26.Rfd1 Rd1 27.Rd1 Nb2 28.Ra1 Nc4 29.Nd2 Ne5 30.Ba5 Bc5 31.Ne4 Be7 32.Bc7 Nc6 33.Bd6 Bd8 34.Nc5 Bc8 35.Nd3 Kf7 36.Bc5 b6 37.Ba3 Ke6 38.Rc1 Bb7 39.Nf4+/– Kf7 40.Rd1+– Ke8 41.Ne6 Bc8 42.Ng7 Kf7 43.Nh5 Bg4+/– 44.Rc1 Bh5 45.Rc6+– Ke8 46.f4 Kd7 47.Rc1 f5 48.Kf2 a5 49.Ke1 b5 50.Bc5 Ke6 51.Bd4+/– Be7 52.Kd2 Bb4 53.Bc3 Ba3+= 54.Rb1 b4 55.Bb2 Bb2 56.Rb2 Kd5? 57.Ra2+– Kc4 58.Ra5 Bg6 59.Kc2 Be8 60.Rf5 Bc6 61.Rg5 b3 62.Kb2 Kd3 63.Kb3 Ke3 1–0. Jacobi,Karl Heinz – Struessmann,Frank, Lueneburg distr–ch, 1996.

6.Qc2 d5

7.cd5 Nd5–/+ 8.Kd1 Bg4 9.Nf3 Ba5 10.d4? Bf3–+ 11.ef3 Nd4! 12.Bd4 Bb6 13.Nd2 Bd4 14.Rb1 Nc3 15.Kc1 Nb1 16.Qb1 Bf2 17.Bd3 Qd6 18.Bh7 Kh8 19.Be4 Be3 20.Qd3 Qc5 21.Qc2 Qd4 22.Rd1 Rad8 23.h4 Qa1 24.Qb1 Qb1 25.Bb1 Rd6 26.Kc2 Rfd8 27.Nf1 Rc6 (27...Rc6 28.Kb2 Rd1 29.Ne3 Rb6 30.Kc2 Rg1–+) 0–1. Kubacek,Josef – Krueger,Jan, corr ICCF WSTT/3/06/2, 2006.

7.cd5 Nd5 8.e3 Re8 9.a3 Bf8 10.Be2 Qe7 11.Nc3 Nc3 12.Bc3 Qc5 13.Bd3 h6 14.Ne2 Be6 15.0–0 Rad8 16.Rfb1 Rd3 17.Qd3 Bc4 18.Qd7 Re7 19.Qg4 h5 20.Qf3 Bd5 21.Qh5 1–0. Kiedrowicz,Jan (2310) – Zielinski,Olgierd (1985), DMR KPZSzach Poland, 2008.

6.Nc3 d6

7.e3 Be6 8.a3 Ba5 9.Nf3 h6 10.Be2 d5 11.0–0 dc4=+ 12.Qa4 a6 13.Rad1 b5 14.Qc2 Qe7 15.Ne4 Ne4 16.Qe4 Bd7 17.Qf4 g5 18.Qf6 Qf6–/+ 19.Bf6 Rae8 20.h4 g4 21.Nh2 Ne5 22.Be5=+ Re5 23.Bg4 Bf5 24.Bf5 Rf5 25.Ng4 Kg7 26.d4 cd3 27.Rd3 c5 28.e4 Rf4 29.f3 c4 30.Rd6 h5 31.Ne3 Bc7 32.Rc6 Be5 33.Rd1 Rf6 34.Nf5 Kg6 35.Rc5 Bb2=+ 36.Ne7 Kg7 37.Rg5 Kh7 38.Rd7 Ba3=+ 39.Nd5 Bc1?? 40.Nf6+– (40.Nf6 Kh6 41.Rh5 Kg7 42.Rd6+–) 1–0. Mroz,Antoni – Klemens,Leszek, corr Poland, 1988.

7.Nf3 –/+.

6.e3 Be7

7.Nf3 d6 8.d4 Bf5 9.Be2 Re8 10.0–0 Ne4 11.Nc3 Nc3 12.Bc3 Bf6 13.h3 Ne7 14.Bd3 Bd3= 15.Qd3 c5 16.Rab1 b6 17.Rfd1 Qc7 18.dc5 dc5 19.Bf6 gf6 20.Qd6 Qd6 21.Rd6 Kg7 22.Rbd1 Ng6 23.Rd7 Ne5 24.Ne5 fe5 25.Rb7 (25…Reb8 26.Rc7+=). unikum (2010) – Marjanovics (1785), ChessWorld.net, 2003.

7.Nf3 d6 8.d4 Bg4 9.Be2 Re8 10.0–0 h6 11.h3 Bd7 12.a3 Bf8 13.Bc3 Ne4 14.d5 Nc3 15.Nc3 Ne5 16.Ne5 Re5 17.Rb1 b6 18.Bg4 Bg4 19.Qg4 Qf6 20.Ne4 Qf5 21.Qf5 Rf5 22.Ng3 Re5 23.Ne2 a5 24.a4 g5 25.Nd4 Bg7 26.Nb5 Rc8 27.Na7 Rce8 28.Nc6 Re4 29.Rbc1 f5 30.g3 f4 31.ef4 gf4 32.f3 Re2 33.gf4 Rb2 34.Rf2 Ree2 35.Re2 Re2 36.Kf1 Rh2 37.Ne7 Kf7=+ 38.Kg1 Rh3 39.Kg2 Rh5 40.Re1 Bf6 41.Nc6 Rf5 42.Kg3 h5 43.Na7 Bg7 44.Nb5+/– Bh6 45.Re4 h4 46.Kg4 Rf6 47.Nc7 h3 48.Kh3 Bf4 49.Kg4 Bh2 50.Ne6 Bg1 51.Ng5 Kg6 52.Re6 Bc5? 53.f4 Be3 54.Rf6 Kf6 55.Ne4 Ke7 56.f5 Bh6 57.Kh5 Bf8 58.Kg6 Ke8 59.f6 Kd7 60.Ng5 Kd8 61.Ne6 Ke8 62.Nf8 Kf8 63.f7 (63…Ke7 64.Kg7+–) 1–0. hal1958 – mrchess, HCL–A1141 playchess.de, 2003.

6.Nf3 Ne4

7.a3 Ba5 8.Qc2 d5 9.e3 Re8 10.cd5 Qd5 11.Bc4 Qh5 12.h3? (12.Nc3 Bf5 13.Ne4 A) 13...Re4?! 14.Bd3 Qg6 15.0–0= (15.Be4 Be4 16.Qc5 Rd8–+); B) 13...Be4–/+) 12...Bf5 (12...Qg6 13.Qb3 Qg2 14.Bf7 Kf8 15.Rh2 Qf3 16.Be8 Ke8 17.Qg8 Ke7 18.Qg7 Kd6 19.Nc3 Bc3 20.Bc3–+) 13.Qb3 (13.Qd1!?–/+) 13...Nc5–+ 14.Qa2 Bd3 15.Nc3 Ne5 16.Ne5 Re5 17.g4 Qg6 18.Bd3 Nd3 19.Kf1 Rd8 20.Rd1?? (20.Rh2 Qc6 21.Rb1 Rc5–+) 20...Qf6 (better is 20...Qc6 21.Kg1 Nb2 22.Qb2 Bc3–+) 21.Rh2 Qf3 22.Ne2 (22.Rb1 Re6 23.Ne2 Bd2 24.Nd4 Rd4 25.Bd4 Be3 26.Be3 Re3 27.Qd2–/+) 22...Nf4!! 23.Qc4 (23.Nf4 Qd1 Double attack (23...Qd1 Pinning; 23...Qd1 Deflection); 23.ef4 Re2 Pinning (23...Qe2 Deflection)) 23...Re3 (better is 23...Re4 24.Qb5 Rd5–+) 24.Re1 (24.Qf4 Qe2 25.Kg2–+) 24...Ne2 25.Re2 Re2 (better is 25...Rd2 26.Rd2 Bd2–+) 26.Qe2 Qe2 27.Ke2 Rd2 28.Kf3 Rb2 29.Rh1 Kf8 30.Rd1 Rd2 31.Rb1 (31.Rd2 Bd2 32.Ke4 Ke7–+) 31...Bb6 32.Ke4 Rf2 33.a4 (33.Rb3 g5 34.Rg3 Rf4 35.Kd3 Bc5–+) 33...Ra2 34.Rb4 Ra3 35.h4 h6 36.Kf4 Ke7 37.g5 hg5 38.hg5 Be3 39.Kg4 Bb6 40.Kf5?? (40.Kf4 c5 41.Re4 Kd7 42.Rc4–+) 40...Kd7 41.Re4 (41.Rc4 Kd6 42.Re4 c5–+) 41...c5 42.g6 Rf3 43.Kg5 (43.Ke5–+) 43...Bd8 44.Kg4 f5 45.Kf3 fe4 46.Ke4 Ke6 47.Kd3 Kd5 48.Kc3 Ba5 49.Kb3 (49.Kd3 c4 50.Ke3 Ke5 51.Kf3 c3 52.Ke2 c2 53.Kf2 Ke4 54.Kg3 c1Q 55.Kg2 Kf4 56.Kh2 Kf3 57.Kh3 Qh6) 49...Kd4 (49...c4 50.Kb2 Ke4 51.Kc2 Kd4 52.Kb2 Kd3 53.Kc1 c3 54.Kd1 c2 55.Kc1 Bd2 56.Kb2 c1Q 57.Kb3 Qb1 58.Ka3 Bb4) 50.Kc2 (50.Ka2 c4 51.Ka1 c3 52.Kb1 Kd3 53.Ka2 c2 54.Kb2 Bc3 55.Kb3 c1Q 56.a5 Qb2 57.Ka4 Qb4) 50...Kc4 (50...c4 51.Kb1 Kd3 52.Kc1 c3 53.Kd1 c2 54.Kc1 Bd2 55.Kb2 c1Q 56.Kb3 Qb1 57.Ka3 Bb4) 51.Kb2 (51.Kd1 Kd3 52.Kc1 c4 53.Kb1 c3 54.Ka2 c2 55.Kb2 Bc3 56.Kb3 c1Q 57.a5 Qb2 58.Ka4 Qb4) 51...Kd3 52.Ka3 (52.Kc1 c4 53.Kb2 c3 54.Kb3 c2 55.Kb2 Bc3 56.Kb3 c1Q 57.a5 Qb2 58.Ka4 Qb4) 52...c4 0–1. Rains,Timothy (1870) – Qin,Tomson (1635), Oceania Zonal, 2015.

7.Qc2 d5 8.cd5 Qd5 9.Nc3 Nc3 10.dc3 Bf5 (10...Bd6 11.e3+=) 11.Qb3= Qb3 12.ab3 Ba5 (12...Bd6 13.e3=) 13.e3 Be6 (13...Bb6 14.Bb5=) 14.Bb5+= Bb6 15.Bc6 bc6 16.c4 a5 (16...Rfd8 17.Ne5+=) 17.Ne5+/– c5 18.Ra4 f6 19.Nd3 Bd7 20.Ra3 a4 21.ba4 Ba5 22.Bc3 Bc3 23.Rc3 Ba4 (23...Ra4 24.Rc1 Ra5 25.Kd2+=) 24.Nc5+= Bc6 25.0–0 Rfe8 26.Rd3 Re5 27.Nb3 Kf7 28.f4 (28.f3 Ra4 29.Nd2 Ra2+/–) 28...Re4 (28...Re7 29.Kf2+=) 29.Nd4+/– Bd7 30.Nb5 (30.Rb1 Ra4 31.c5 Rc4+/–) 30...Bb5 (30...Bc6 31.Rc1+=) 31.cb5+/– Ra2 (31...Rb8 32.Rd7 Re7 33.Re7 Ke7 34.Rc1+/–) 32.Rc1 Re7 33.Rdc3 Rb2 34.Rc7 Rb5 35.Re7 Ke7 36.Rc7 Kf8 37.Kf2 Rb2 38.Kf3 Rb1 (38...f5 39.Rc5 g6 40.Rc8 Kg7 41.Rc7 Kg8 42.h3+/–) 39.e4 (39.h3 h5+–) 39...Rb3+/– 40.Kg4 Rb2 41.Kf3 (41.Kf5!?+/–) 41...Rb3+= 42.Kg4 Rb2 43.Kf3 ½–½. mtr – yari20, internet, 2001.

7.e3 d5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Ne4).

6.g3 d5

7.cd5 Qd5 8.Nf3 Re8 9.Bg2 Bh3 10.0–0 Bg2 11.Kg2 Ng4 12.d4 Qb5–/+ 13.e3 Re3!–+ 14.h3 Rf3 15.Qf3–/+ Qf1! 16.Kf1 Nh2 17.Kg2 Nf3 18.Kf3 Rd8 19.Ke3 Be7 20.Nd2 Nd4! 21.Bd4 Rd4! 22.Kd4 Bf6 23.Kd5 Ba1 24.g4 Bf6 25.f4 Kf8 26.Ne4 Ke7 27.Nc5 c6 28.Kc4 b5 29.Kd3 Kd6 30.Ne4 Kd5 31.g5 Bd4 32.f5 c5 33.Nd2 Ke5 34.g6 c4 35.Kc2 fg6 36.fg6 hg6 37.a4 a6 38.ab5 ab5 (38...ab5 39.Nf3 Kd5–+) 0–1. berlinwall (1770) – teoretic (2030), internet, 2007.

7.cd5 Nd5 8.Bg2 Bg4 9.f3?? Ne3–+ 10.Qa4 Ng2 11.Kf2 b5?? 12.Qb5=+ Bd2 13.Kg2 Nd4? 14.Qc4?? Nf3?? 15.Qg4+– Ne1 16.Kf1 f6?? 17.Ba3 Qd5 18.Nd2 Qg2? 19.Ke1 Qh1 20.Kf2 Qh2 21.Kf1 Rfd8 22.Qc4 Kh8 23.Qf4 Qh5 24.Rc1 Rac8 25.Ndf3 c5 26.e4 c4 27.e5 fe5 28.Ne5 Rd1 29.Rd1 Qd1 30.Kg2 c3 31.Nf7 Kg8 32.Nd6 Qd5 33.Nf3?? Qa2–/+ 34.Kh3 Rf8 35.Qa4 Rf3–+ 36.Qa7 c2 37.Qb8 Rf8 38.Qb2 Qe6 39.Kg2 Qe2 40.Kh3 Qf1 41.Kh4 h6 42.Qa2 Kh8 43.Qb2 Kg8?? 44.Kg4?? Qd1 45.Kh4 Rf1 46.Qb8 Kh7 47.g4 Rh1 48.Kg3–+ Qd3 49.Kf4 Rf1 50.Ke5 Re1 51.Ne4 Re4 52.Kf5 Qd5 53.Qe5 Qe5# 0–1. Asker,Anita – Lindberg,Rune, Karlstad, 1995.

6.a3 Ba5

7.Bc3 Bc3 8.Nc3 Re8 9.Nf3 d6 10.d3 Bg4 11.h3 Bf3 12.gf3 Qe7 13.e4 Nd7 14.Nd5 Qd8 15.Bg2 Nd4 16.0–0 c6 17.Nc3 Qg5 18.a4 Ne5 19.Kh1 Re6 20.Ne2 Ndf3 21.Ng3 Nh4 22.Ra3 Ng2 23.Kg2 Ng6 24.Qg4 Qg4 25.hg4 Nf4 26.Kf3 Ng6 27.Ke2 Rae8 28.f4 Nf8 29.Rb1 b6 30.a5 Rb8 31.ab6 ab6 32.Ra6 Nd7 33.Nf5 g6 34.Nd4 Ree8 35.Nc6 Rb7 36.Nd4 Reb8 37.Nc6 Rc8 38.Ne7 Kf8 39.Nc8 1–0. rcm06 (1905) – phyle, gameknot.com, 2012.

7.e3 d6 8.Nf3 Re8 9.Be2 Bf5 10.0–0 Bb6 (10...Qe7 11.d3=) 11.Re1 Ne5 12.d3 c6 13.Qb3 Bg4 (13...Ba5 14.Rd1=) 14.Nbd2= Qd7 (14...Ba5 15.Bc3= (15.Qb7?? Rb8 16.Qb8 Qb8–+)) 15.Rab1 (15.h3 Bf3 16.Nf3 Ba5+=) 15...Rab8 (15...Rad8 16.h3 Bh5 17.Bc3+=) 16.Qc3 (16.h3 Bh5+=) 16...Qc7 17.c5 Ba5 (17...Bc5? 18.d4 Bf3 19.gf3+–) 18.cd6 Qd8 19.Qc2 Nf3 (19...Bf3 20.gf3 Bd2 21.Qd2 Qd6 22.d4+=) 20.gf3+= Bh3 (20...Bh5 21.Kh1+=) 21.Kh1+/– Bd2 22.Qd2 Qd6 23.Rg1 Bf5 24.Qc3 Bg6 25.a4 (25.f4 Kh8+=) 25...b5 26.Ra1 (26.e4 ba4 27.Ba3 Qd7=) 26...b4= 27.Qc4 a5 (27...b3 28.e4=) 28.Rac1 Re6 29.Rg5 (29.e4 Nh5=) 29...Nd5 30.Qa6 The backward pawn on c6 becomes a target (30.Qb3 f6 31.Rg3 Kh8=) 30...f6 (30...b3!?–/+) 31.Rg4= Bf5 (31...Qc7!?=) 32.Rgc4+= Ne7 (32...Qd7 33.Qa5 Bg6 34.Rh4+=) 33.Rd4 (33.e4 Qc7+/–) 33...Qc7+= 34.Rc5 Re5 35.Rdc4 Rc5 36.Rc5 Bg6 (36...b3 37.Qa5 Qd7 38.e4+/–) 37.Ra5 Qd7 (37...Nd5!?+=) 38.Qc4+/– Bf7 39.Qc5 b3? (better is 39...Nd5+/–) 40.Ra7+– Rb7 41.Ra8 Nc8 42.d4 Rc7 43.Ba3 h6 44.Bd3 Qe8 45.Qf5 g6 46.Qf6 Kh7 47.a5 Qd7 48.Bf8 Be8 49.Qh4 Qf7 50.Bh6 Qf3 51.Kg1 Qd1 52.Kg2 Qd3 53.Bf4 Kg8 54.Bc7 Qf5 55.e4 Qe6 56.Be5 Kf8 57.Rb8 c5 58.Rb7 Ne7 59.Qh6 1–0. Lehtonen,Ture – Wahlstrom,Lennart (2130), Gothenburg Elo, 2011.

7.e3 Re8 8.Nf3 Ne4 9.Bd3 d5=+ 10.h3 Nc5–/+ 11.Bc2 dc4–+ 12.0–0 Nd3 (12...Nd3 13.Bc3 Bb6–+) 0–1. Lowry,Paul – Dlugolecki,Grzegorz, corr or01–015 E–mail, 2002.

7.Nf3 h6 8.e3=+ Re8 9.Be2 Ne4 10.0–0= d6 11.d3 Nc5 12.d4 Ne4 13.d5 Ne5 14.Ne5 de5 15.Qc2 f5 16.Nc3 Bc3 17.Bc3 Nc3 18.Qc3 e4 19.c5 Qf6 20.Qf6 gf6 21.Rab1 a5 22.Rfd1 Kg7 23.d6 cd6 24.cd6 Rd8 25.d7! b6 26.Rb6 Bd7 27.Rb7 Rac8 28.Rbd7 Rd7 29.Rd7 Kg6 30.Rd5 a4 31.Ra5 Kg5 32.h4 Kg6 33.Bb5 Kh5 34.Ra7 Kh4 35.Rg7 Kh5 36.Be2 Kh4 37.g3 Kh3 38.Bf1# 1–0. wiking (2295) – Boeing (1885), internet, 2010.

7.Nc3 d5

8.Nd5 Nd5 9.cd5 Qd5 10.Nf3 Bg4 11.Rc1 Rfe8 12.e3 Rad8 13.Rc2 Bf5 14.Rc4 b5 15.Rc1 a6 16.Be2 b4 (16...Ne7!?–/+) 17.Bc4 Qd7 18.ab4 Nb4 19.Ne5 Re5 20.Be5 Nd3 21.Bd3 Bd3 22.Bc3 Bb6 23.f4 Qd6 24.Qg4 f6 25.Kf2 h5 26.Qf3 Re8 27.f5 g5? (27...Re4 28.Qh5 Re3 29.de3 Qf4 30.Ke1 Be3=) 28.Qh5 Qf4 29.Ke1 Qf5?? (29...Qh4 30.Qh4 gh4 31.Bf6 Bf5 32.Bh4 c5+–) 30.Qe8 Kg7 31.Qe7 Kg6 32.Qd8 Qe5 33.Be5 fe5 34.Qd3 e4 35.Rc6 Kf5 36.Qd7 Ke5 37.Qe6 1–0. beat – Laksman4, Live Game Caissa's Web, 2004.

8.e3 d4–/+ Black fights for the Initiative 9.Nb5 de3–+ 10.fe3 Re8 11.Nf3 Re3–+ 12.Be2 Re8 13.0–0 Bg4 14.d3? a6–+ 15.Nc3 Bf3 16.Bf3 Qd4 17.Kh1 Bc3 18.Bc3 Qc3 19.Bc6 bc6 20.Qf3 Re6 (20...Re6 21.Rfc1 Qd4–+) 0–1. Dietzsch,B – Perlitz,J, corr SOK–89–44, 1989.

8.cd5 Nd5

9.Rc1 Nc3 10.Bc3 Bc3 11.Rc3 Bf5 12.e3 Re8 13.Nf3 a6 14.Be2 Ne5 15.d4 Nf3 16.Bf3 c6 17.0–0 Qe7 18.Rc5 Bg6 19.Qb3 Kf8 20.Rfc1 f6 21.d5 Bf7 22.Qb2 cd5 23.Rc7 Qe6 24.Qb7 Rab8 25.Qa7 Kg8 26.Be2 Ra8 27.Qc5 h6 28.Rc6 Qe7 29.Qe7 Re7 30.Ra6 Ra6 31.Ba6 Ra7 32.Rc6 Be8 33.Rb6 Rc7 34.h4 Rc1 35.Kh2 Ra1 36.Rb3 Ba4 37.Rc3 Kf8 38.Bb7 Rd1 39.Rc8 Ke7 40.Rc7 Kf8 41.Kg3 Rd3 42.Kf4 Ra3 43.Bd5 Be8 44.f3 Ra4 45.e4 Rb4 46.g4 g5 47.hg5 hg5 48.Kf5 Rb6 49.Be6 1–0. poesimannen (1925) – luca23 (1875), gameknot.com, 2013.

9.Rc1 Re8 10.e3 Nf4 11.g3 Nd3 12.Bd3 Qd3 13.f4 Nd4 14.Kf2 Bd7 15.h3 Bc6 16.Rh2 Bb6 17.Ke1 Rad8 18.Nce2 Nb3 19.Rc3 Qd2 20.Qd2 Nd2 (20...Nd2 21.Rc6 bc6–+; < 20...Rd2 21.Rb3 Be3 22.Re3 Rb2 23.Re8 Be8 24.Rf2+/–) 0–1. Kuhlmann,Antonius Egidius J – Dziel,Jaromir, corr 3GMM–53, 1995.

9.Nd5 Qd5 10.Nf3 Bf5 =+.

9.Nf3 Nc3–/+ 10.Bc3 Bc3 11.dc3 Qf6 12.Qc2 Bf5 13.Qb2 Rad8 14.e3–/+ Ne5 15.Ne5=+ Qe5 16.Be2 Rd6 17.0–0 Rh6 18.g3 Rb6 19.Qd2 Rd6 20.Qb2 Bh3 21.Rfc1 Qe4–/+ 22.Bf1 Bf1 23.Rf1 Rfd8 24.Qb4 Qc6 25.Rac1 b6 26.Qg4 Qc5 27.h4 a5–/+ 28.a4 Rd2 29.h5 h6 30.Rfd1 Qd6 31.Rf1 Qc6 32.Qf4 R8d3 33.c4 Rd8 34.Rb1 Re2 35.Qg4 Rc2 36.Rfd1 Re8 37.Rbc1 Rc1 38.Rc1 Qa4 39.Rd1 Qc6 40.Rd5 a4–+ 41.Rd2 Ra8 0–1. Bonatti,Aldo (2020) – Walker,John T (1965), corr ICCF WSTT/3/06/4, 2006.

9.Nf3 Re8 10.e3 Nf4 11.Qc2 Ne5 12.Ne5 Re5 13.Qa4 Nd3 14.Bd3 Qd3 15.Nb1 Bd7 16.Qd4 Qd4 17.Bd4 Rg5 18.g3 Rd8 19.Bc3 Bb6 20.a4 Bc6 21.Rg1 Rd3 22.Na3 Rc5 23.Ke2 Rd8 24.Nb1 a5 25.d3 Rcd5 26.d4 Re8 27.Rc1 Bd4 28.Bd4 Rd4 29.Nc3 f5 30.Kf1 Rd7 31.Rd1 Red8 32.Rd7 Rd7 33.h4 Kf7 34.Ke2 Kf6 35.Rc1 h6 36.Nb5 g5 37.hg5 hg5 38.Rc5 Bb5 39.ab5 g4 40.f3 gf3 41.Kf3 b6 42.Rc6 Ke5 43.Rc4 Rd5 44.Rc7 Rb5 45.Ra7 Rb4 46.Re7 Kd6 (47.Rf7 Ke6–+) 0–1. flipper – Blitzmich, playchess.de, 2004.

7.e3 d5

8.Bd3 d4 9.Nf3 de3–+ 10.fe3? Qd3 11.Nc3 Be6 12.Rc1 Bc4 (12...Bc4 13.Qc2 Rad8–+) 0–1. Waibel,Ulrich (1650) – Kilian,Markus, RSX – Spendenturnier, 2004.

8.cd5 Nd5 9.Nf3 Re8 10.Bb5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Bb5).

8.cd5 Nd5 9.Nf3 Bg4 10.Be2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bg4).

8.Nf3 Ne4 9.Qc2 Bg4 10.h3 Bh5 11.Qd3 Bg6–+ 12.Qd5 Qe7 13.Qb5 Rfd8 14.Nc3 Rd2 (14...Rd2 15.Nd2 Nc3 16.Qa5 Na5 17.Bc3 Nc6–+) 0–1. wiking (2150) – Farias_29 (2255), internet, 2009.

8.Nf3 Re8 9.Be2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.Be2).

8.Nf3 Bf5 9.Qb3 Be4 10.cd5 Qd5 11.Qd5= Nd5 12.Nc3 Nc3 13.Bc3 Bc3 14.dc3 Rad8 15.Nd2 Bg6 16.h4 Bd3 17.Be2 Ne5 18.h5 h6 19.Rh4 c5 20.Ra4 Be2 21.Ke2 Nc6 22.Ne4 Rd5 23.g4 b6 24.Ra2 f5 25.Rd2 Re5 26.Ng3 f4 27.Nf5 fe3 28.fe3 Re6 29.Rd7 Rf7 30.Rd5 Kh7 31.Rd1 g6 32.hg6 Kg6 33.Rh1 Kh7 34.Rf4 Ne7 35.Kd3 Nd5 36.Rf3 Ne7 37.e4 Rd6 38.Ke3 Re6 39.Rh5 Rff6 40.Rf1 Nd5 41.Kd3 Ne7 42.g5 Rf8 43.Rh4 Rf7 44.a4 Rg6 45.Rh6 Rh6 46.gh6 Rf6 47.Rf2 Kh8 48.Kc4 Nf5 49.Rf5 Rh6 50.Rf7 a5 51.Rb7 Kg8 52.Kb5 Rh3 53.Rb6 Rc3 54.Rc6 Re3 55.Ka5 Re4 56.Rc5 Kf7 57.Kb5 Ke6 58.a5 Kd6 59.Rc1 Re8 60.a6 Rb8 61.Ka5 Ra8 62.Kb6 Rb8 63.Ka7 Rb2 64.Ka8 Kd7 65.a7 Ra2 66.Rb1 Kc7 67.Rb7 Kc8 68.Rb3 Kc7 69.Rc3 Kd7 70.Rc4 Rb2 71.Rc5 Kd6 72.Rc8 Rg2 73.Rc4 Rb2 74.Rf4 Rb3 75.Rf2 Kc7 76.Rc2 Kd7 77.Rc5 Rb2 78.Rf5 Kc8 79.Rf3?? Kc7 80.Rc3 Kb6 81.Kb8 Ka6 82.Kc7 Rb7 83.Kc6 Ka7 84.Ra3 Kb8 85.Re3 Rb2 86.Re7 Rc2 87.Kd6 Kc8 88.Rg7 Rd2 89.Ke6 Kd8 90.Ra7 ½–½. bambinik – m0Vax, internet, 2001.

7.Nf3 d5

8.cd5 Qd5 9.e3 (9.Bf6 gf6 10.Nc3 Qd6=) 9...Bg4 (9...Qd6 10.Qc2+=) 10.Be2 (10.Bf6!? gf6 11.Nc3+=) 10...Ne4 11.0–0 Rad8 12.d4 Qh5 (better is 12...Rfe8=) 13.Bd3 (better is 13.h3 Bf3 14.Bf3=) 13...Ng5–+ 14.Be2 Ne5!! 15.Nbd2 (15.de5 Nf3 Double attack (15...Rd1 Pinning; 15...Rd1 Deflection); 15.Ne5 Be2 Pinning (15...Be2 Deflection)) 15...Bd2 16.de5 Bc3! 17.Qc2 (17.Bc3 Nf3 Double attack (17...Rd1 Discovered attack)) 17...Bb2 18.Qb2 Bf3 19.Bf3 Nf3 20.gf3 Qf3 21.Qc2 h5 (21...Rc8 22.Rab1–+) 22.Qc4 (22.Qc7 Rc8 23.Qd7–+) 22...Rfe8 23.Qf4 Qh3 (23...Qd5 24.h3–+) 24.Qg3 (24.Rac1!? Rd7 25.Kh1–/+) 24...Qg3–+ 25.hg3 Re5 26.Rfc1 (26.Rfd1 Red5 27.Rd5 Rd5–+) 26...c5 27.Rab1 b6 28.a4 Rd2 (28...g5 29.a5 Rd6 30.Kg2–+) 29.a5 Re6 30.ab6 (30.Rd1 Ra2 31.Ra1 Ra1 32.Ra1 Rc6–+) 30...ab6 (worse is 30...Rb6 31.Ra1–+) 31.Rb5 (31.Rd1 Rd1 32.Rd1 g5–+) 31...Rc6 (31...Rf6 32.Rf1–+) 32.Kf1 g5 33.Ke1 (33.Rcb1 Rdd6–+) 33...Ra2 34.Rcb1 h4 (34...Rf6 35.f4 Re6 36.R1b3 gf4 37.gf4–+) 35.gh4 gh4 36.Kf1? (36.Rb6 Rb6 37.Rb6 Ra1 38.Ke2–+) 36...h3 37.Kg1 Rg6 38.Kh2 (38.Kh1 Rf2 39.Rb6 Rb6 40.Rb6 c4–+) 38...Rf2 39.Kh3 (39.Kh1 Kh7 40.Rg1–+) 39...Rf3 40.Kh2 (40.Kh4 f5 41.Rh1–+) 40...Rf5 0–1. Hilbert,Stephan Joerg – Waciak,Karol, FICGS, 2014.

8.cd5 Nd5 9.e3 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5).

8.cd5 Nd5 9.e3 Bf5 10.Be2 a6 (10...Re8 11.0–0+=) 11.0–0 Qd6 12.Qa4 (12.d3 Rfe8=) 12...Nb6 (12...Rad8 13.Rc1 Qe6 14.d3=) 13.Qh4= f6 (13...Rfe8 14.Rc1=) 14.d4 Rae8 15.Nbd2 Bd2 (15...Na4 16.Nc4 Qd7 17.Na5 Na5 18.Bc1–/+) 16.Nd2 Na4 17.Bc1 b5 18.Re1 (18.Bh5 Re7 19.Bd1 Nc3=) 18...Ne7 (18...Nd4 19.Qd4 Qd4 20.ed4–/+) 19.Bf3 Bg6 (19...Bd3 20.Ne4 Qd7 21.Nc5 Nc5 22.dc5=) 20.Qg3 (20.Ne4 Be4 21.Qe4 f5=) 20...Qd7 (20...Qg3 21.hg3 c5 22.dc5 Nc5 23.Re2+=) 21.h4 (21.Qg4 Qg4 22.Bg4 Nf5 23.Bf5 Bf5=) 21...Bd3 22.Nb3 (22.Bh5 Rd8=) 22...Nf5 (22...Qe6 23.Bd1=) 23.Qh3 (23.Qg4 Bc4 24.Na5 Bd5+=) 23...Qd6 (23...Qe6!? 24.Bd1 Qd5=) 24.Bd2= Rf7 (24...Qe6 25.d5 Qe5 26.Bb4+=) 25.Bb4 Qd7 26.Rac1 Be4 27.Bg4 g6 28.Qh2 (28.Nd2 Nb2 29.Ba5 c6+/–) 28...h5+= 29.Bh3 Qd8 30.Bf5 (30.f3 Bd5 31.Bf5 gf5+/–) 30...gf5 (30...Bf5 31.Qg3+=) 31.Qf4 (31.f3 Bd5 32.Nc5 Nc5 33.Bc5 Rg7+=) 31...Rg7 (31...Qd5 32.Nd2 Bg2 33.Rc7 Rc7 34.Qc7+=) 32.f3+/– Bd5 33.Nc5 Nc5 34.Rc5 c6 (better is 34...Qd7+/–) 35.e4?? (35.Qf5 Qc7 36.Qh5+– (36.Qf6?! a5 37.Qf4 ab4 38.Qc7 Rc7 39.ab4 Rd7=)) 35...fe4–/+ 36.fe4 Rg4 37.Qf5? (better is 37.Qf2 Ree4 38.Re4 Be4 39.g3–+) 37...Be4 (37...Ree4?! 38.Rc2 Re1 39.Be1–+) 38.Qh5 (38.Re4 Ree4 39.Bc3–+) 38...Qd4 39.Kh2 (39.Kh1 Bg2 40.Kh2 Qf4 41.Kg1 Bh3 42.Kh1 Qf3 43.Kh2 Qg2) 39...Rg2 0–1. Hilbert,Stephan_Joerg (1835) – Nowack,Achim (1790), World Senior Teams +50, 2016.

8.e3 Ne4 9.Be2 dc4 10.Bc4 Qd6 11.0–0 Qg6 12.d3 Rd8 13.Nh4 Qh6 14.Nf3 Bg4 15.h3 Bh5 16.Qe2 b5 17.Ba2 Nc5 18.d4 Na4 19.g4 Bg6 (19...Nb2 20.Qb2 Bg6 21.Qb5 Qh3 22.Nh2–/+ (22.Qc6?? Qg4 23.Kh2 Be4 24.Qe4 Qe4–+)) 20.Kh2 Nb2 21.Qb2 Bd3 22.Rg1 Qf6 23.Rg3 a6 24.Kg1 Rd7 25.Nbd2 Re8 26.Rc1 Bd2 27.Nd2 Bg6 28.Qc3 h6?? (better is 28...Rd6=) 29.Qc6+– (29.Qc6 Qc6 30.Rc6+–) 1–0. Degterev,Pavel (2195) – Svajdler,Frantisek (2285), IECG, 2009.

8.e3 Ne4 9.Be2 dc4 10.Bc4 Be6 11.Be6 fe6 12.0–0 Qd5 13.Nc3 Bc3 14.Bc3 Rad8 15.Rb1 b6 16.Rc1 e5 17.Qe2 Rf7 18.d3 Nc5 19.d4 ed4 20.Bd4 Nb3 21.Rcd1 Nbd4 22.Nd4 Rfd7 23.h3 Nd4 24.Rd4 Qe6 25.Rd7 ½–½. Degterev,Pavel (2240) – Ermolaev,Andrey (2380), WC–2011–T–00006, 2010.

8.e3 Ne4 9.Be2 dc4 10.Bc4 Be6 11.Be6 fe6 12.0–0 Qd5 13.d4 Qb5 (13...Rad8 14.Nbd2 Nd2 15.Nd2 Bd2 16.Qd2=) 14.Qc2= Rf3 (14...Qf5 15.Qb3=) 15.gf3+= (15.Qe4? Qb2 16.Qe6 Rf7–+) 15...Ng5 16.Nd2? (better is 16.Nc3 Bc3 17.Bc3 Nf3 18.Kg2–/+) 16...Bd2–+ 17.Qd2?? (better is 17.Kg2–+) 17...Nf3 (17...Nf3 18.Kg2 Nd2–+) 0–1. Goldmund,Heike – Riha,Josef (1970), FICGS, 2014.

8.e3 Be6 9.cd5 Qd5 10.Bf6+= gf6 11.Nc3 Bc3 12.dc3 Qc5 13.Qc2 Bf5 14.Bd3 Bd3 15.Qd3 Rad8 16.Qc2 Ne5 17.Nd4 Qc4 18.Rb1 Rfe8 19.Rb7 c5–/+ 20.Ne2?? Qd5–+ 21.Rf7 Qd3 22.Qd3 Nd3 23.Kf1 Kf7 0–1. Wall,Bill – KingsFool, internet, 2005.

8.e3 Re8 9.Be2 Bg4 10.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bg4).

8.e3 Bg4 9.cd5 Nd5 10.Bb5 Nce7+=.

8.e3 Bg4 9.h3 Bh5 (9...Bf5 10.Qb3+=) 10.cd5 Nd5 11.Be2 Re8 12.0–0 Bf3 (12...Qd7 13.Nc3=) 13.Bf3= Ne5 (13...Nce7 14.Qc2=) 14.Be5+= Re5 15.Qb3 Nf6 (15...c5!?+/–) 16.Qb7+– Bd2?? (better is 16...Rc8+–) 17.Qa8 Qa8 18.Ba8 (18.Ba8 Ba5 19.Rd1+–) 1–0. Janek – AxelG, internet, 2017.

7.Nf3 d6

8.e3 Re8 9.Be2 Bg4 10.0–0 Qe7 11.d4 Ne4 12.h3 Bh5 13.Nfd2 Be2 14.Qe2 Bd2 15.Nd2 Rad8 16.Ne4 Qe4 17.Qg4 Qg4 18.hg4 d5 19.c5 Na5 20.Rab1 Nc4 21.Bc1 Rb8 22.a4 b6 23.cb6 ab6 24.Bb2? Ra8–+ 25.Bc3 Ra4 26.Ra1 Rea8 27.Ra4 Ra4 28.Ra1 Ra1 29.Ba1 Kf8 30.Kf1 Ke7 31.Ke2 g6 32.Kd3 Kd6 33.Bc3 Kc6 34.e4 Nd6 35.e5 Ne4 36.f3? Nc3 37.Kc3 Kb5 38.f4 c5 39.f5 gf5 40.gf5 Kc6 41.g4 h6 42.Kd3 c4 43.Kc3 Kd7 ½–½. Sparky10 (1680) – Reg_UK (2100), ChessWorld.net, 2003.

8.e3 Bg4 9.Be2 Re8 10.0–0 Ne5 11.d3 c6 12.Nbd2 Bf3 13.gf3 Ng6 14.Ne4 Ne4 15.fe4 Bc7 16.Qb3 b6 17.Qc3 Qg5= 18.Kh1 Qh6 19.f4 Rac8 20.Rf3 Bd8 21.Rh3!+/– Bh4 22.Rg1 f6 23.Rg4+– Be1 24.Rh6 Bc3 25.Rhg6! hg6 26.Bc3 d5 27.e5 Kf7 28.d4 Rh8 29.Rg1 Rce8 30.Rc1 Rc8 31.Kg2 a6 32.cd5 cd5 33.Ba6 Rc7 34.Bb2 Rc1 35.Bc1 Ra8 36.Bb7 Rd8 37.Kf3 Ke6 38.Ba6 Ra8 39.Bd3 f5 40.Kg3 Rh8 41.Bd2 Rh5 42.h4 Rh8 43.Bb4 Rc8 44.Be2 Rb8 45.Bd6 Ra8 46.Bb5 Rc8 47.Ba6 Rc1 48.Bb7 Rc2 49.Kf3 Rc1 50.Ke2 Rc2 51.Kd3 Rc1 52.Kd2 Rc4 53.Bb8 Ra4 54.Bc8 Kf7 55.Bd6 Rc4 56.Bd7 (56.Bd7 Ra4 57.Ba4+–) 1–0. Bousios,Hristos – Kalessis,El, Greece, 1976.

7.Nf3 Ne4

8.e3 d5 9.Qc2 Re8 10.cd5 Qd5 11.Nc3 Nc3 12.Bc3 Bf5 13.Qb2 Bc3 14.Qc3 Bg4 15.Be2 Ne5 16.Ne5 Be2 17.Ke2 Re5 18.Rab1 b6 19.Qc7 Rd8 20.Rhd1 (20.Qa7 Qd2 21.Kf3 Rf5 22.Kg4 Qe2 23.Kf5 Rd5 24.Ke4 Qc4 25.Kf3 Rf5 26.Kg3 Rg5 27.Kh3 Qg4) 20...Rg5 21.Rb4 (worse is 21.Qa7 Qd3 22.Kf3 Qf5 23.Ke2 Rg2–/+) 21...Qd3 22.Kf3 Rc5 23.Qe7 Rf5 24.Kg3 Rfd5 25.Rf4 R5d7 26.Qb4 Qc2 27.Qb1 Qc7 28.Qc1 Qb8 29.Kf3 Qb7 30.Kg3 Rd3 31.a4 R8d5 32.h4 g6 33.Qb2 h5 34.Rc4 Qd7 35.Qf6 Rd6 36.Qf4 Qe6 (worse is 36...Rd2 37.Rd2 Rd2 38.Rc7+/–) 37.f3 Rd2 ½–½. Degterev,Pavel (2275) – Broniek,Mariusz Maciej (2280), RM–2009–0–00038, 2009.

8.e3 d5 9.Qc2 Bg4 10.Be2 Nc5 11.cd5 Qd5 12.Nc3 Qf5 13.Qf5 Bf5 14.0–0 Bd3 15.Bd3 Nd3 16.Rab1 Rad8 17.Ne2 Rfe8 18.Nc1 Nc5 19.d4 Ne4 20.Nb3 Rd5 21.Rfc1 Rc8 (21...Bb6 22.Nfd2=) 22.Ne1 Bb6 23.Nd3 Re8 24.f3 Rb5 25.Ba1 (worse is 25.fe4 Rb3 26.Nc5 Bc5 27.Rc5 Re3=) 25...Na5? (better is 25...Ng5!? 26.a4 Rd5+=) 26.Na5+– (26.fe4 Rb3 (26...Nb3?! 27.Nf2=) 27.Rb3 Nb3–/+) 26...Rb1 27.Rb1 Nd2 28.Rb2 Ba5 29.Rb7 Bb6 30.Nc5 f6 31.Kf2 Nc4 32.Nd7 Re3 ½–½. Bendig,Frank (2375) – Buettner,Fritz (2375), CiF–12.Superturnier, 2010.

8.e3 d5 9.Be2 dc4 10.Bc4 Be6 11.Be6 fe6 12.0–0 Qd5 13.Nc3 Bc3 14.Bc3 Rad8 15.Rb1 Rd7 16.Qe2 (16.Qb3 b6 17.d4 e5=) 16...b6 17.Rbc1 (17.Rfd1 e5=) 17...Rdf7 (17...e5+=) 18.Kh1 Rd8 19.d4 e5 20.de5 Nc3 21.Rc3 Ne5 22.Ng5 Rfd7 23.Qc2 Nd3 24.f4 h6 25.e4 Qd4 26.Ne6 Nf2 27.Kg1 Nh3 28.Kh1 Qd1 29.Qd1 Rd1 30.Rc1 Rf1 31.Rf1 Rd6 32.Nc7 Nf2 33.Kg1 Ne4 34.Nb5 Rd7 35.Re1 Nc5 36.Re3 g6 37.Kf2 Kf7 38.g4 a6 39.Nc3 Nd3 40.Kf3 Nb2 41.Ne4 Nc4 42.Rc3 b5 43.Nc5 Rc7 ½–½. Muri,Heinrich (2400) – Hirr,Rudi (2465), WCCC33SF05 ICCF, 2009.

8.e3 d5 9.Be2 dc4 10.Bc4 Be6 11.Be6 fe6 12.0–0 Qd5 13.Nc3 Bc3 14.Bc3 Rad8 15.Rc1 e5 16.Ba1 Rf5 (worse is 16...Nd2 17.Nd2 Qd2 18.Qb3 Qd5 19.Qb7=) 17.h3 a5 (17...Nd2 18.Nd2 Qd2 19.Qb3 Rf7 20.Qb7+/–) 18.Rb1 b6 (worse is 18...Nd2 19.Nd2 Qd2 20.Qa4+=) 19.d3 Qd3 20.Qa4 Rd6 21.Rbd1 b5 22.Rd3 ba4 23.Rd6 cd6 (23...Nd6 24.Rc1 e4 25.Ne1+/–) 24.Rc1 Nc5 25.Rd1 Nb7 26.Nd2 Rf7 27.Ne4 Rc7 28.Rc1 (28.Nd6? Rd7–+) 28...Rc8 29.f4 ef4 30.ef4 d5 31.Nc3 Ne7 32.Re1 Kf7 33.Na4 g6 34.Nb6 Rc2 35.Nd7 Nc5 36.Nc5 Rc5 37.Kf2 a4 38.g4 Nc6 39.Re2 Rc4 40.Kf3 Nd4 41.Bd4 Rd4 42.Ke3 Re4 43.Kf3 Rc4 44.Re5 Rc3 45.Re3 Rc1 46.Rd3 Ke6 47.Ke2 Rc2 48.Ke3 h5 49.Rd2 Rc1 50.Rd3 Rh1 51.Kf2 h4 52.Kg2 Ra1 53.Kf3 ½–½. Degterev,Pavel (2240) – Sadowski,Marek (2255), BI–2010–F–00004, 2011.

7.Nf3 Re8

8.e3 d5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5).

8.e3 d6 9.Be2 h6 10.0–0 Bf5 11.Qb3 Rb8 12.d4 Bb6 13.Nbd2 a6 14.Rac1 Ba7 15.Rfd1 Ne7 16.d5 Ng6 17.Nd4 Bd7 18.Bd3 Ng4 19.N2f3 (19.h3 N4e5+=) 19...N6e5= 20.h3 Nd3 21.Qd3 Ne5 22.Ne5 de5 23.Ne2 Qg5 24.Ng3 h5 25.Ne4 White plans d6 (25.d6 c5+=) 25...Qg6= 26.Ng3 f5 (26...Qd3!? 27.Rd3 h4=) 27.d6+= c6 28.c5 Kh7 (28...b5 29.Qb3 Qf7 30.Qf7 Kf7 31.Nh5+=) 29.Qc4 Re6 30.Qh4 Kh6? (30...b6 31.f4 (worse is 31.Nh5 Qh6+/–) 31...ef4 32.Nh5+–) 31.e4?? (31.Be5 b6+–) 31...Ree8? (better is 31...f4 32.Nf5 Kh7+/–) 32.Be5! (worse is 32.Nf5 Kh7+–) 32...Re5? (32...fe4 33.Bf4 Kh7 34.Nh5 Kg8+–) 33.Qf4 Qg5 34.Qe5 Re8 35.Nf5 Kh7 36.Qb2 Re4 37.Ng3 Re5 38.Qb7 Bh3 39.d7 Bc5 40.Rc5 Rc5 41.d8Q Qg6 42.Qbb8 Kh6 43.gh3 Rc3 44.Qh8 Kg5 45.Qe5 1–0. Skrzypczak,Michal (1980) – Stachowiak,Slawomir (2005), III Wielkopolska Liga Seniorow Poland, 2013.

6.a3 Be7

7.e3 d5 8.Nf3 Re8 9.d4 Be6 10.cd5 Bd5 11.Bd3 Ne4 12.Nc3 Nc3 13.Bc3 Bd6 14.0–0 Rb8 15.Re1+= Be4 16.Be4 Re4 17.Qc2 Re8 18.e4 Qd7 19.Qb2 f6 20.Rac1 Qe7 21.Qb3 Qf7 22.d5 a6 23.Rc2 Bf4 24.Rb2 Ne5 25.Be5 Be5 26.Ne5 fe5 27.Reb1 b5 28.a4 b4 29.Rc1 a5 30.Rc5 Ra8 31.Qc4 Ra7 32.Rc6 Rb8 33.Rb3 Qd7 34.f3 Rf8 35.Rb1 Kh8 36.Rc1 Re8 37.Qb5 Kg8 38.R1c5 Rf8 39.Qc4 Kh8 40.Rb5 Rfa8 41.Re6 Qf7 42.Rc5 Rf8 43.Re5 Qf4 44.Re7 Qe3 45.Kf1 Qd2 46.Qc2 Qd4+/– 47.Qc1 Kg8 48.Rc4 Qd3 49.Kf2 h6 50.Rc6 Qd4 51.Qe3 Qe3 52.Ke3 Rf7 53.Re8 Rf8 54.Rf8 Kf8 55.Rc5 Ke8 56.e5 Rb7 57.Kd2 Ra7 58.f4 h5 59.f5 Kd7 60.Rc6 Ke8 61.Rg6 Kf8 62.Rg5 Kf7 63.Rh5 Ra8 64.Rh3 Rd8 65.Rd3 Re8 66.e6 Kf6 67.g4 Rh8 68.h3 Ke7 69.Kc2 Kd6 70.Kb3 Rb8 71.Kc4 Rf8 72.Re3 Ke7 73.h4 Rc8 74.h5 c6 75.g5 cd5 76.Kd5 Rf8 77.Ke5 Ke8 78.Rd3 Rh8 79.Rd7 Rf8 80.Ra7 b3 81.Kd6 Rf5 82.Ra8# 1–0. bambinik – LeMagicien, internet, 2001.

7.Nf3 d6 8.d4 Bg4 9.Nbd2 d5 10.cd5 Qd5 11.e3 Rad8 12.Bc4 Qh5 13.0–0 Bd6 14.h3 Bc8 15.e4+= Bf4 16.e5 Nd5 17.Qc2 Bd2–/+ 18.Qd2 Bh3! 19.Qg5 Qg5 20.Ng5 Bf5 21.Rad1 h6 22.Nf3 Bg4 23.Rd3 Bf5 (23...Bf5 24.Rdd1 Na5–/+; better is 23...Nf4 24.Re3 g5–/+). WoodPusher83 – touchdown, ChessWorld.net, 2007.

7.Nf3 Re8 =+.

7.g3 d5 8.cd5 Qd5 9.Nf3 Re8 10.Bg2 Qb5 11.Qc2? Ba3!!–+ 12.Nc3 Qb2 (12...Qb2 13.Qb2 Bb2–+) 0–1. 2good2be#1 – tired rook, ChessWorld.net, 2004.

7.d4 d5

8.c5 b6 9.Qc2 bc5 10.dc5 Ne4 11.e3 Nc5 12.Bb5 Bb7 13.Qf5 a6–+ 14.Bc6 Bc6 15.Ne2 Rb8 16.Bd4 Nb3 17.Ra2 Bd7 18.Qd3 Nd4 19.Nd4 c5 20.Nf3 c4 21.Qc2 Qa5 22.Nbd2? Ba3 23.0–0 Qb4 24.Ng5 f5 25.g4?? c3 26.Ndf3 Qg4 27.Kh1 Rb2 28.Rb2 cb2 29.Rg1 Rc8 30.Qb3 Rc1?? 31.Qd5 Kh8 32.Nf7 Kg8 33.Nh6 Kh8 34.Qg8# 1–0. NN – REXChess 80286 12Mhz, 1994.

8.e3 dc4 9.Bc4 Be6 10.Be6 fe6 =+.

8.e3 Be6 9.cd5 Nd5 10.Qc2 Re8 11.Bd3 h6 12.Nf3 Rb8 13.0–0 Bd6 14.Nbd2 Bg4 15.h3 Bd7 16.Nc4 Be7 17.e4+/– Nf4 18.d5 Nd3 19.Qd3 Bf8 20.dc6 Bc6 21.Qc3 Be4 22.Rad1 Qe7 23.Rfe1 Qc5 24.Nfe5 Bd5 25.Qd3 Bc4 26.Nc4 Rbd8 27.Qb3 Re1 28.Re1 Qd5 29.a4 b6 30.Rc1 Qd3 31.Qb5 Bc5 32.Be5 Qe2 33.Bg3 Qe7 34.Qc6 Qg5 35.Rc3 Qe7 36.Ne3 Bd6 37.Bd6 cd6 38.Rc1 Qd7 39.Qc7 d5 40.Qf4 Qe6 41.Rd1 Re8 42.Qc7 Qe7 43.Qc6 Qe6 44.Qb5 d4 45.Rd4 Kh7 46.Qd7 Qf6 47.Rd1 Qe7 48.Qf5 g6 49.Qf4 Kg7 50.Ng4 g5 51.Qd4 Kg6 52.Rd3 h5 53.Re3 Qd8 54.Ne5 Kg7 55.Nd7 Kh6 56.Rf3 Re7 57.h4 Rd7 58.hg5 Kh7 59.Rf7!! Rf7 60.Qd8 Rg7 61.Qd3 Rg6 62.f4 Kg7 63.Qd7 Kh8 64.Qd8 Kh7 65.f5 (65.f5 Rg7 66.Qf6 Rb7 67.Qc6 Rg7 68.g6 Rg6 69.Qg6 Kh8 70.f6 h4 71.Qg7#) 1–0. bambinik – engshredder5.32, internet, 2001.

8.e3 Bf5 9.Nc3 dc4 10.Bc4 Na5 11.Ba2 c5 12.Nf3 Qb6 13.Na4 Qb5 14.Ne5 Rad8=+ 15.f4 Bd6 16.Bb1 Ne4 17.g4 Be5 18.gf5 Bf6–+ 19.Be4 Bh4 20.Kd2 Nb3 21.Kc2 cd4 22.Kb1 de3 23.Qg4 Nd2 24.Kc1 Rc8 25.Bc3 Bf6 (25...Bf6–+) 0–1. Wall,Bill – MQMan, internet, 2005.

7.e3 d6

8.Nf3 Be6 9.d4 d5 10.cd5 Bd5 11.Be2 Ne4 12.0–0 Bd6 13.Nc3 Nc3 14.Bc3 a6 15.Re1 Re8 16.Bd3+= Bf3 17.Qf3 Ra7 18.Bc4 Rf8 19.Bd5 Qd7 20.e4 Nd8 21.g4 c6 22.Bb3 Qe7 23.Bb2 Bb8 24.d5 cd5 25.Bd5 Ne6 26.a4 ½–½. Dietzsch,B – Seack,Ingo, corr SOK–89–44, 1989.

8.Nf3 Bg4 9.Be2 a6 10.0–0= Re8 11.d4 Bf8 12.Nc3 g6 13.h3+= Bd7 14.Bd3 Bg7 15.Qc2 Rb8 16.Rfd1 Ne7 17.e4 Qc8 18.e5 de5 19.de5+/– Nh5 20.Ne4 Kh8 21.Nf6 Nf6?? 22.ef6+– (22.ef6 Bf8 23.fe7 Bg7 24.Bg7 Kg7 25.Qb2 f6 26.Re1+–) 1–0. chem1st – Queenwomen, ChessWorld.net, 2005.

7.Nf3 d5

8.cd5 Nd5 9.e3 Bf6 10.Qc1 Re8 11.Be2 Bg4 12.0–0 Nf4 13.Bd1 (13.ef4 Re4 Double attack (13...Re2 Pinning; 13...Re2 Deflection; 13...Re4 Decoy)) 13...Nd3 14.Bf6 Qf6 15.Qc3 Qd6 16.Bc2 Bf5 (16...Rad8 17.Bd3 Qd3 18.Nd4–/+) 17.Bd3 (17.Ba4 Be4 18.Ng5 Bg6+=) 17...Bd3 18.Rc1 Rad8 19.Ne1 Be4 20.d4 Qg6 21.Nd2 Bd5 22.Qd3 f5 23.Ndf3 Kh8 24.Nh4 (24.Qc3 f4+=) 24...Qf6+= 25.g3 (25.Nhf3 f4+=) 25...f4!–/+ 26.Nc2 Be4 27.Qd1 f3 28.Ne1–/+ Rf8 29.Rc5? g5–+ 30.Qb3 gh4 31.Qb7 hg3 32.hg3 Rd7 33.Rac1 Rg7 34.d5 Rg3! 35.Kf1 Rh3 (35...Rh3 36.Nf3 Qf3 37.Qb2 Kg8 38.Ke1 Rh1 39.Kd2 Qf2 40.Kc3 Qe3 41.Kc4 Qd3) 0–1. Garceran Nieuwenburg,David – Darini,P (2490), Asian Nations Chess Cup, 2012.

8.e3 Na5 9.cd5 Qd5 10.Be2 Qb3 11.Bc3 Qd1 12.Bd1 Nc6 13.0–0 Rd8 14.d4 Bf5 15.Nbd2 Nd5 16.Bb2 Bd3 17.Re1 Nb6 18.Rc1 Rac8 19.e4 Bf6 20.Nb3 Bc4 21.e5 Be7 22.Nc5 Rb8 23.e6 fe6 24.Ne6 Rd7 25.Ng7 Ba3 26.Nh5 (better is 26.Ba3 Rg7 27.Bc5=) 26...Bb2–/+ 27.Nf6 Kg7 (27...Kf7 28.Nd7 Bc1 29.Nb8 Nb8 30.Ne5 Kf6 31.Nc4 Nc4+/–) 28.Nd7= Bc1 29.Nb8 Nb8 30.Re7 Kf6 31.Rc7 Nc6 32.Rb7 Bd5 33.Rh7 a5 34.Rb7 Nc4 35.Ne1 Bg8 36.Nc2 Bd5 37.Rb5 Ke6 38.Be2 a4 39.Nb4 Nb4 40.Rb4 Nb2 41.Rb6 Kd7 42.Ra6 Bd2 43.h4 Bc3 44.h5 Bd4 45.h6 Bb7 46.Ra5 Ke7 47.Kh2 Kf6 (47...Bf2? 48.h7 Bd4 49.Ra7+–) 48.Bh5 Be4 (48...Bf2? 49.Rb5 Be4 50.Rb2+–) 49.f4 Be3 50.Kg3 Bd4 51.Be8 Bc2 52.Ra6 Ke7 53.Bg6 Bg6 54.Rg6 1–0. Degterev,Pavel (2275) – Borisovs,Leonids (2200), RM–2008–0–00024, 2009.

8.e3 Re8 9.cd5 Nd5 10.Be2 Bf6 11.d4 Bf5 12.0–0 Na5 13.Nbd2 c6 14.Rc1 Qb6 15.Ba1 Rad8 16.Re1 Bg6 17.Bf1 Nc7 18.Qa4 Nb5 19.Red1 a6 20.Bb2 Be7 21.Ne5 Bf5 22.h3 h6 23.Nd3 Qc7 24.d5 c5 (worse is 24...Rd5 25.e4 Rd3 26.Bd3+/–) 25.e4 Bd7 26.Qc2 b6 27.a4 Na7 28.Bc3 Nb7 29.Ne5 Bf8? (better is 29...b5+/–) 30.Nd7 Rd7 31.Ba6 1–0. Nemec,Zdenek (2030) – Ortiz,Manuel (2065), OP–2011–0–01392, 2011.

8.e3 Bf5 9.cd5 Qd5 10.Nc3 Qe6 11.Be2 Rad8 12.0–0 Nd7 13.d4 Nc5 14.Nd2 Nd3 15.Ra2 b6 16.Ba1 Qg6 17.Nce4 Be4 18.Ne4 Qe4 19.Bd3 Qe6 20.Rc2 Ba3 21.Qb1 h6 22.Bb5 Ne7 23.Rc7 a5 24.e4 Qd6 25.Rb7 Rb8 26.Rd7 Qg6 27.Qd3 Bb4 28.d5 Rbd8 29.Rd8 Rd8 30.Rd1 Bc5 31.Be5 Bd6 32.Bd4 Qh5 33.g3 Ng6 34.Qc2 Ne5 35.Be2 Ng4 36.h4 Qg6 37.Kg2 h5 38.Bb6 Re8 39.Bd3 Ne5 40.Ba5 Nd3 41.Qd3 Qe4 42.Qe4 Re4 43.Rb1 Kf8 44.Rb5 Ke7 45.Bc3 g6 46.Kf3 Rc4 47.Bd2 Ra4 48.Ra5 Ra5 49.Ba5 Bc5 50.Be1 Kd6 51.Ke4 f6 52.f3 Ke7 53.g4 Bd6 54.Bf2 Kf7 55.Be3 Bg3 56.gh5 f5 57.Kd4 gh5 58.Bg5 Bd6 59.Ke3 Ke8 60.Bf4 Bc5 61.Ke2 Kd7 62.Bg3 Bb6 63.Kd3 Bd8 64.Kd4 Be7 65.Kc3 Bf6 66.Kc4 Be7 67.Bf2 Bd6 68.Kd4 Bb8 69.Kc3 Be5 70.Kd3 ½–½. Degterev,Pavel (2275) – Johansen,Svein (2065), BI–2009–P–00026, 2009.

8.e3 Bf5 9.cd5 Nd5 10.Nc3 Nb6 11.d4 Na5 12.Bd3 Bd3 13.Qd3 Re8 14.0–0 Nbc4 15.Qc2 c6 16.Rfd1 Rc8 17.h3 a6 18.Na2 b5 19.Nb4 Nb2 20.Qb2 Nc4 21.Qc1 a5 22.Nd3 Bd6 23.Nd2 Nd2 24.Rd2 Re6 25.Qc3 a4 26.Re2 Qh4 27.Rb1 Rce8 28.Kh1 Bc7 29.Nb4 Rh6 30.Qc2 (worse is 30.Nc6 Qe4 31.Rc2 Rh3 32.Kg1 Rh2–+) 30...Qd8 31.Na6 Ba5 32.Qd3 Qd5 33.e4 Qh5 34.Nb4 Rd6 35.d5 Bb4 36.Rb4 Red8 (worse is 36...cd5 37.Qb5 Rdd8 38.Ra4+=) 37.Re3 f5 38.Rg3 f4 (38...cd5?! 39.ef5 Rf6 40.Rf3+=) 39.Rf3 Qe5 (worse is 39...cd5 40.Qb5 Qe5 41.ed5 Rd5 42.Qa4+/–) 40.Qc2 g5 41.Kg1 (41.dc6?? Rd1 42.Kh2 Qa1 43.Qa2 Qa2–+) 41...cd5 42.Rb5 Qe4 43.Qe4 de4 44.Rg5 Rg6 45.Rg6 hg6 46.Rf4 Rd3 47.Re4 Ra3 48.h4 Kf7 49.g3 Kf6 50.Kg2 Ra2 51.Kf3 a3 52.Ra4 Ke5 53.Kg4 Rf2 54.Ra3 Kf6 55.Rf3 ½–½. Degterev,Pavel (2240) – Stepanov,Konstantin (2075), BI–2011–P–00013, 2011.

6.Nc3 d5

7.cd5 Nd5

8.Nd5 Qd5 9.e3 Bg4 10.f3 Rad8 11.Bc3 Bc3 12.dc3 Qc5 13.Qc2 Qe3–+ 14.Be2 Ne5 15.fg4 Nd3 (15...Nd3 16.Qd3 Rd3–+) 0–1. Hasler,Ueli – Wegelin,Reinhard (2110), CiF, 2005.

8.e3 Re8 9.a3 Bc5 10.Nf3 Nf4 11.Qc2 Bg4 12.0–0–0 Nd5 13.h3 Be6 14.Nd5+– Qd5 15.e4 Qd6 16.Qc3 f6 17.d4 Qf4 18.Qe3+– Bd6 19.e5 Qe3 20.fe3 fe5 21.d5 (21...Bf7 22.dc6 bc6 23.e4+–) 1–0. marekt – sxx, ChessWorld.net, 2004.

8.Nf3 Bg4 9.e3 Ne5 10.Be2 Bf3 11.gf3 Bc3 ½–½. NathanStack – tired rook, ChessWorld.net, 2004.

7.Nd5 Nd5

8.cd5 Qd5 9.Nf3 Re8 10.a3 Ba5 11.Qa4 Bf5 12.e3 Bd3 13.Qg4 g6 14.Qh4+= h5 15.Qf6+/– Kf8 16.Bd3 Qd3+= 17.Rd1 Re6?? 18.Qh8+– Ke7 19.Qa8 (19.Qa8 Re3 20.fe3 Qe3 21.Kf1 Qd3 22.Kf2 Bb6 23.Kg3 Qd6 24.Be5 Ne5 25.Rde1 (25.Qb7?? Nf3 26.Kf3 Qd3 27.Kf4 Qf5 28.Kg3 Qg4) 25...h4 26.Nh4+– (26.Kh4?! Bf2 27.Kg5 Qf6 28.Kh6 g5 29.Kh7 Qg6 30.Kh8 Qh5 31.Kg7 Qg6 32.Kh8 Qh5 33.Kg8 Qg6 34.Kh8=)) 1–0. Eralos (2005) – capamarela (2110), ajedrez.educared.net, 2006.

8.cd5 Qd5 9.Nf3 Bg4 10.a3 Ba5 11.Bc3 Bc3 12.dc3 Bf3 13.gf3 Qa5 14.Qb3 Nd4 15.Qb2 Rfd8 16.0–0–0 Ne6 17.Bh3 Nf4–+ 18.Bd7 Nd5 19.c4 Nb6 20.Rhg1 g6 21.Bh3 Nc4 22.Qb4 Qa6 23.a4 Nb6 24.Qb5 Qa4 25.Qa4 Na4 26.Kc2 a5 27.e4 Kg7 28.f4 Nc5 29.e5 a4 30.f5 Rd1 31.Rd1 a3 32.Ra1 Ra4 33.f6 Kh6 34.Ra2 Kg5 35.f4 Rf4 36.Ra3 Rf2 37.Kd1 Rh2 38.Ke1 h6 39.e6 Kf6 40.Rf3 Ke7 41.ef7 Kf8 42.Bf1 c6 43.Be2 g5 44.Bf1 0–1. b4_player – opponent, gamecolony.com, 2007.

6.e3 b6

7.Nf3 d5 8.Nc3 =+.

7.Nf3 Re8 8.Be2 Bb7 9.0–0 d5 10.cd5 Nd5 11.Qc2 Bd6 12.a3 Ne5 13.d4 Ng4 14.Bc4 Qe7 (14...Qf6 15.Bb5 c6=+) ½–½. Schwertel,Gottfried – van den Braak,Jelle, corr 3GMM½–03, 1999.

7.Nf3 Bb7

8.Be2 Bc5 9.0–0= d5 10.d4 Bd6 11.Nc3 dc4 12.Bc4 Bb4 13.a3+= Bc3 14.Bc3 Na5 15.Ba5+/– ba5 16.Ne5 Bd5 17.Bd5+– Qd5 18.Rc1 Rad8 19.Rc7 a6 20.Qc2 Rde8 21.Rc1 Qe4 22.Qe4 Ne4 23.Nd7 h6 24.Nf8 Rf8 25.f3 Nf6 26.e4 g5 27.R1c6 Kg7 28.Ra6 Rd8 29.Raa7 Kg6 30.Rf7 Ne8 31.Rfe7 Kh5 32.g4 Kh4 33.Re6 Nd6 34.Rh6# 1–0. marekt – Charlie, ChessWorld.net, 2004.

8.Be2 d5 9.0–0 =+.

8.Be2 Ne4 9.0–0 Be7 10.d3 Nc5 11.Nc3+= Bf6 12.d4 Na6 13.a3 Ne7 14.Qc2 d5 15.Rfd1 c6 16.Bd3 g6 17.Rab1 Nc7 18.Qb3 Qd7 19.Ne5+/– Be5 20.de5 Rad8 21.c5 b5 22.Bf1 a6 23.Ne4 Ne8 24.a4 Qf5 25.Nd6+– Nd6 26.ed6 Nc8 27.Bc3 Rfe8 28.Bd3 Qg4 29.h3 Qd7? 30.Bf6 Re6 31.Bd8 Qd8 32.Rdc1 Nd6 33.cd6 Qd6 34.Qc3 Re8 35.Rb4 a5 36.Rf4 b4 37.Qd4 Rc8 38.Rc5 Qc7 39.h4 Qd8 40.h5 Rb8 41.h6 Qf8 42.Bg6! hg6 43.h7! Kh7 44.Rh4 Qh6 45.Rh6 Kh6 46.Qf4 Kg7 If Black now only could play Ra8... 47.Qe5 Kh6 48.Qb8 Ba6 49.Qh8 Kg5 50.f4 Kf5 51.Qe5 Kg4 52.Qg5# 1–0. b4_player – opponent, gamecolony.com, 2007.

8.Be2 Ne7 9.Bf6 gf6 10.0–0 Kh8 11.a3 Bd6 12.Nc3 Rg8 13.Nb5 Be5 14.d4 a6 15.de5 ab5 16.ef6 Ng6 17.Qd4 d6? 18.Ng5+– Qd7? 19.Qg4 Ne5 20.Qd7 Rg5 21.Qh3 Rag8 22.g3 (22.g3 Bc8 23.Qg2 Nc4 24.Rfc1+–; 22.cb5?? Rg2 23.Qg2 Rg2 24.Kh1 Rf2 25.Bf3 Bf3 (25...Rf3?! 26.Rf3 Nf3 27.h3–/+) 26.Kg1 Rg2 27.Kh1 Be4–+) 1–0. Ashwad (1775) – GmLencioni, internet, 2006.

8.Be2 Re8 9.0–0 d5 10.cd5 Nd5 11.a3 Bd6 12.d4 Qd7 13.Nbd2 Qe6 14.Nc4 Nf4 15.d5 Nd5 (worse is 15...Ne2 16.Kh1 Qe4 17.Nd6 cd6 18.dc6+=) 16.Ng5 Qh6 17.Nd6 Qd6 18.Qd3 g6 19.Rfd1 Ne5 20.Qd4 f6 21.f4 Nc6 22.Qd5 Qd5 23.Rd5 fg5 24.Rd7 Re3 25.Bc4 Kf8 26.Rad1 Re7 27.Bf6 (27.fg5?! Ke8 28.Re7 Ne7=) 27...gf4 28.Be7 Ne7 29.R1d4 g5 30.Rc7 Bc6 31.Rd6 1–0. Zonneveld,Will – Jacobi,Peter, OP–2010–0–01134, 2010.

8.Be2 Re8 9.0–0 d6 10.d4 d5 11.Nc3 dc4 12.Bc4 Na5 13.Bd3 Ne4 14.Ne4 Be4 15.Be4 Re4 16.Ne5 Qd5 17.Qe2 Bd6 18.f3 Rh4 19.e4 Qe6 20.f4 f5 21.g3 Rh6 22.ef5 Qf5 23.Qf3 Re8 24.g4 Qf8? 25.Qd5+– Rhe6 26.f5 (26.f5 Be5 27.fe6 (27.de5?! c6 28.Qf3 R6e7+=) 27...Bh2 28.Kh2+–) 1–0. Sixty4 – R_Gradishki, playchess.de, 2002.

8.Be2 Re8 9.0–0 d6 10.d4 d5 11.Nc3 dc4 12.Bc4 Ne4 13.Ne4+/– Re4 14.Qc2 Na5 15.Bd3 Re6 16.Bh7+– Kf8 17.Bf5 Rc6 18.Qa4 Be7 19.Ne5 Rd6 20.Rac1 Rf6? 21.Nd7 Kg8 22.Nf6 Bf6 23.Bc3 Qd5 24.e4 Qc4 25.Qa3 Qc6 26.Ba5 (26.Ba5 Qb5 27.Bb4+–) 1–0. pierred (2750) – jboger (1980), net–chess.com, 2009.

8.Be2 Re8 9.0–0 Be7 10.d4 d5 11.cd5 Qd5 12.Nc3 Qd8 13.Qb3 Na5 14.Qc2 c5 15.dc5 Bc5 16.Rad1 Qe7 17.Na4 Bb4 18.Nd4 Rac8 19.Qb1 Be4 20.Bd3 Bd3 21.Qd3 Qe4 22.Qe4 Ne4 23.Nf3? Red8?? 24.Bd4 Nc4 25.Nb2 Nb2 26.Bb2 Nd2 27.Nd2 Rd2 28.Rd2 Bd2 29.Bd4 Rc1 30.Rc1 ½–½. hal1958 – Hflew, HCL–T067 playchess.de, 2003.

6.e3 d5

7.Qb3 Be6 8.a3 dc4 9.Bc4 Na5 10.Qb4 Nc4 11.Bd4 Ne4 12.Qb7 Bd5 13.Qb4?? (13.Qa6 Ned2 14.Nd2 Nd2 15.Qe2–/+) 13...c5!–+ 14.Bc5 a5 (worse is 14...Nc5 15.Qc5 Rc8 16.Qa7 Bg2 17.Ne2–+) 15.Qb5 Rb8 16.Qb8 Qb8 17.Bf8 Qb2 (17...Qb2 18.Nf3 Ncd2 19.Nbd2 Qa1 20.Ke2 Qh1 21.Ne4 Be4–+; 17...Qf8?! 18.Ne2 Qb8 19.0–0–+) 0–1. Leon Manas,J (1720) – Matnadze,A (2410), Open, Las Palmas ESP, 2009.

7.Nc3 Bg4 8.Qb3 dc4 9.Bc4=+ Qd6 10.Be2 Be6 11.Qc2=+ Rad8 12.Nf3 Bg4 13.Rd1 Ne5 14.Nb5+/– Qe7?? 15.Ne5 Be2 16.Ke2 a6 17.Nd4?? Qe5=+ 18.Nf5 Qb5 19.d3?? Ba5 20.g4 Ng4+= 21.Ng7 Ne5 22.Nh5 Rd6? 23.Rhg1 Kh8? 24.f4 Re6? 25.Be5 f6 26.Nf6 Ref6 27.Qb2 (27.Qb2 Qb2 28.Bb2+–; < 27.Bf6 Rf6 28.Rg5 Rc6+–) 1–0. diggitus (2175) – nhathuy (2215), net–chess.com, 2008.

7.Bd3 d4 8.a3 de3 9.fe3 Qd3 10.Bf6 Qe3 (10...Qe3 11.Ne2 Ba5–+ (11...gf6?! 12.ab4 Qd3 13.0–0–/+); 10...gf6?! 11.ab4 Nb4 12.Na3–/+) 0–1. Waibel,Ulrich (1650) – Liebsch,Hardy (2200), remoteschach.de, 2005.

7.cd5 Ne5?? 8.Nf3?? Re8?? 9.Bc4?? Bg4 10.a3?? Bc5?? 11.d4?? Nf3?? (11...Nf3 12.gf3 Be7 13.fg4 b5+–; better is 11...Nc4 12.dc5 Nb2–+) 0–1. Pachurka,Roland (1865) – Killer,Oliver (2070), DESC, 2002.

7.a3 Ba5

8.Ra2 Be6 9.Qb3 Bb6 (9...dc4!? 10.Bc4 Ne4–/+) 10.Bf6= gf6 11.Nc3 (11.Qc2!?=) 11...dc4–/+ 12.Qc2 (12.Bc4? Na5 13.Be6 Nb3 14.Bb3 Re8–+) 12...Ne5 (13.Rb2 Re8–/+) 0–1. Schulz,Michael – Jensen,L, corr ICCF–Cup8/9 V144, 1990.

8.Qa4 Bb6 9.Nf3 Be6 10.d4 dc4 11.Bc4= Bc4 12.Qc4 Qd5 13.Nbd2 Rfe8 14.Qd5+= Nd5 15.0–0 f6 16.a4 Na5 17.e4 Nf4= 18.d5 Nd3 19.Bd4= Bd4 20.Nd4+= Nc5 21.Rfe1 b6 22.f3 Kf7 23.Nb5 Re7 24.d6 cd6=+ 25.Nd6 Kg6 26.f4 h6 27.e5 fe5 28.Re5 Re5 29.fe5 Nc6 30.Nf3 Rf8 31.Rf1 Kh7 32.Ra1 (32.a5 Na5 33.Nd4 Rf1 34.Kf1 Kg8=) ½–½. tschulz – blunder007, Pfingstturnier, 2004.

8.Qb3 d4 9.Nf3 Re8 10.Be2 –+.

8.Qb3 Be6 9.Nf3 Bb6 10.d3? (10.Qc2 Re8–/+) 10...Na5 (better is 10...d4 11.e4 Ba5 12.Nbd2 b5 13.Qb5 Rb8 14.Qc6 Rb2–+) 11.Qc2+= Re8?? (better is 11...c5+=) 12.c5+/– Bc5 13.Qc5 Nb3 14.Qb4 (14.Qc2 Na1 15.Ba1 Rc8+/–) 14...Na1 15.Ba1 a5 16.Qh4 (16.Qb7?? Rb8 17.Qb8 Qb8–+) 16...Nd7 (16...c5 17.Bf6 Qf6 18.Qf6 gf6 19.Nc3+/–) 17.Qd4 (17.Qd8 Rad8 18.Nc3 c6+/–) 17...f6+= 18.Be2 c5 19.Qb2 b5 20.0–0 (20.Qb5?? Rb8 21.a4 Rb5 22.ab5 a4–+) 20...b4 0–1. Feofanov,Alexander – Savostjanov,Igor, Final Omsk, 2010.

8.Bc3 Bc3 9.Nc3 d4 10.ed4 (10.Nce2!?–/+) 10...Re8–+ 11.Nce2 Nd4 12.Nf3 Bf5 13.Nfd4 Qd4 14.Rc1 (14.f3 Nd7 15.Rc1–+) 14…Ng4 (14...Ng4 15.d3 Bd3 16.Qd3 Qd3–+) 0–1. Lucan,Zdenko (1800) – Svoboda,Frantisek (1800), CZE–ch O186 email, 2004.

8.Nf3 dc4 9.Bc4 Be6 10.Be6 fe6 =.

8.Nf3 Qd6 9.Bc3 (9.Nc3 Bf5+=) 9...Bf5 (9...Bg4 10.Qa4 Bf3 11.Ba5–/+) 10.Ba5 Na5 11.cd5 Nd5 12.d3 (better is 12.Nd4!? Be4 13.Qa4–/+) 12...Rfe8–+ 13.d4 c5 14.Bb5 Ne3 15.fe3 Re3 16.Kf2 cd4 17.Nbd2 (17.Qa4 Qb6 18.g4 d3 19.gf5 Re4 20.Kg3 Ra4 21.Ba4 Nc4–+) 17...Qb6 18.a4 (18.Bf1 d3 19.Kg3–+) 18...d3 19.Nc4 (19.Kg3 Re2 20.Qe2 de2 21.Be2–+) 19…Re2 (19...Re2 20.Kg3 Qg6 21.Ng5 Qg5 22.Kf3 Qg4) 0–1. Di Pietro,Rosario (1665) – Fedeli,Luciano (2135), WQE008 – quartetto webserver n., 2009.

8.Nf3 Ne4 9.Qc2 Re8 (9...Bg4 10.Bd3 Re8 11.0–0 Bf3 12.gf3 Nf6 13.cd5 Ne5 14.Be2 Qd5 15.e4 Qd7+=) 10.cd5 (10.Bd3 Bg4 (10...Bf5 11.0–0 Bg6 12.cd5 Qd5 13.Bc4 Qd6 14.d3 Nc5 15.e4 Rad8+=) 11.0–0 Bf3 12.gf3 Nf6 13.Nc3 Bc3 14.Bc3 d4 15.Bb2 Ne5–/+) 10...Qd5 11.Bc4 Qh5 12.0–0 (12.Bd3 Nd6 13.0–0 Bh3 14.Qa4 Rad8 15.Rc1 Bb6+=) 12...Bg4 13.Ne1 (13.Be2 Ng5 14.Ng5 A) worse is 14...Qg5 15.f4 Qf5= (15...Qh4 16.Bg4 Qg4 17.Rf3+=); B) 14...Be2–/+ 15.Re1 Bg4–+; 13.Nd4 Nd4 14.Bd4 Nd6 15.Bd3 a6–/+) 13...Nd6 (13...Bd1 14.Qc1 Nd6 (14...Be2 15.Be2 Qe2 16.d3+=) 15.Bd3 Ne5–/+) 14.Bd3 (14.f3 Bd7 15.Bd3 Ne5–/+) 14...Rad8 (14...Ne5 15.Be5 Re5–/+) 15.f3 (15.f4 Bf5–/+) 15...Bf5 16.Bc3 Qg6 (16...Bb6 17.a4–/+) 17.Bf5 Qf5 18.Qf5 Nf5 19.Ra2 Bb6 20.Kh1 Nfe7 21.f4 f6 22.Nf3 Kf7 23.Rc2 h5 24.Bb4 Nb4 25.ab4 Nd5 26.Rc4 c6 27.Rfc1 a5 28.ba5 Ba5 29.g3 g6 30.Ra4 Ra8 31.Rd4 Bb6 32.Rd3 Ra1 33.Kg2 Re4 34.Nc3 Re3 35.de3 Rc1 36.Nd5 cd5 37.Rd5 Rc2 38.Kh3 Be3 39.Rd7 Ke6 40.Rb7 Rf2 41.Nh4 g5 42.fg5 fg5 43.Ng2 Bd4 44.Rh7 g4 45.Kh4 Rg2 46.Rh5 Rh2 47.Kg4 Rf2 48.Rb5 Kf6 49.Rh5 Be5 50.Rh6 Kf7 51.Ra6 Bf6 ½–½. Gierth,Karlheinz (2260) – Krause,Peter (2510), RSXCT – SaxoniaCup, 2008.

8.Nf3 Ne4 9.Nc3 Nc3 10.Bc3 Bc3 11.dc3 Qf6 12.Rc1 dc4 13.Bc4 Qg6 14.0–0 Bh3 15.Ne1 Ne5 +=.

8.Nf3 Ne4 9.Nc3 Nc3 10.Bc3 Bc3 11.dc3 Qf6 12.cd5 Qc3 13.Nd2 Ne7+=.

8.Nf3 Ne4 9.Bd3 Nc5 10.Be2 dc4 11.Bc4 b5 12.Be2 Nd3 13.Bd3 Qd3 14.Nc3 Bg4 15.Qb1 Qc4 16.Qe4 Rfd8 17.h3 (17.Qc4 bc4 18.0–0–0 Rab8–/+) 17...Bf3 18.gf3 Nd4! 19.0–0–0 (19.ed4 Bc3 Double attack (19...Bc3 Decoy)) 19...Bc3 20.dc3 (20.Bc3!? Ne2 21.Kb2 Nc3 22.dc3 Qe2 23.Kb3–/+) 20...f5–+ 21.Qe5 Nb3 (21...Nf3?! 22.Qf5 Qc6 23.e4–/+) 22.Kb1 Nd2 23.Ka1 Rd5 24.Qe6? (better is 24.Qe7 Rd3 25.h4–+) 24...Kf8 25.Qa6 (25.Rd2 Rd2 26.Qf5 Kg8 27.Qe5–+) 25...Rad8 26.Rdg1 (26.Rc1 Nb3 27.Kb1–+) 26...Nb3 27.Kb1 Rd2 0–1. onny555 (1830) – forsetinn (2215), gameknot.com, 2014.

8.cd5 Nd5

9.Nf3 a6 10.Be2 Re8 11.0–0 Bf5 12.Qb3 Re6 13.Nc3 Bc3 14.Bc3 Nce7 15.Bd4 b6= 16.Nh4 c5 17.Nf5 Nf5=+ 18.Bf3 Nd4 19.ed4 Rd6 20.dc5 bc5 21.Rab1 Rc8 22.Rfe1 Nf4 23.Qc4 Ne6 24.d3 Rd3 25.Qa6 c4=+ 26.Bg4 Rd6 27.Qa4 c3 28.Be6= Re6 29.Re6 fe6 30.Rd1 Qb6 31.Qc2 ½–½. Schwertel,Gottfried – Vollbrecht, FT–94 CiF, 1994.

9.Nf3 Qd6 10.Qc2 Bg4 11.Be2 Rfe8 12.Ng5 Qh6 13.Bg4 Qg5 14.Qf5 Qf5 15.Bf5 Rad8 16.0–0 g6 (16...Nde7!? 17.Be4 f5 18.Bc6 Nc6–/+) 17.Bc2= Ne5 18.Ra2 c5 19.d4 cd4 20.Bd4 Nc6 21.Ba1 Bc7 22.Ba4 Be5 (22...Nb6 23.Bc6 bc6 24.Rc2=) 23.Bc6 bc6 24.Nd2 Nb6 25.Nf3 Ba1 ½–½. Wantoch_Rekowski,Jacek (2305) – Woznica,Miroslaw (2320), Roman Kaminski Memorial Poland, 2006.

9.Nf3 Be6 10.Bb5 Qd6 11.Qc2 =+.

9.Nf3 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5).

9.Nf3 Bf5 10.Be2 a6 11.0–0 Re8 12.Qb3 Rb8 13.Nc3 Nc3 14.dc3 Qe7 15.Nd4 Bd7 16.Rfe1 Nd8 17.Qd5 c5 18.Nf5 Bf5 19.Qf5 Ne6 20.c4?? Be1–+ 21.Re1 0–1. Johansson,Roland – Karlsson,Bertil, corr SSKK Sweden, 1987.

8.Nf3 Re8

9.cd5 Qd5 10.Be2 Bf5 11.0–0 Rad8 12.d4 Ne4 13.Qc1 Bg4 14.h3 Qh5?! 15.hg4 Qg4 16.Qc4 Re6 17.Ne5! Qh4 18.Ng4! Rdd6 19.f3 b5 20.Qb5 Rh6 21.fe4 (21.Nh6? Rh6 22.fe4 Be1! 23.Re1 Qe1 24.Bf1 Qe3) 21...Qh1 22.Kf2 Qh4 23.g3 Rdf6 24.Nf6 Rf6 25.Kg2 Rg6 26.Rf3 Be1 27.Qf5 Rg3 28.Rg3 Qg3 29.Kf1 Ne7 30.Qf3 1–0. Schiffler – Schulte, Grethen 1951.

9.cd5 Nd5 10.Be2 Re3!? 11.fe3 Ne3 12.Qb3?! Ng2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Re3 11.fe3 Ne3 12.Qb3 Ng2).

9.Be2 dc4 10.Bc4 Be6 11.Be2 Ne4 12.0–0 Nc5 13.d4 Nb3 14.e4 Qf6 15.Nbd2 Nd2 16.e5 Qf4 17.Bc1 Bb3 0–1. Kukula – Grehl, corr 3GMM½–06 1997–98.

9.Be2 Be6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.Be2 Be6).

8.Nf3 Bf5

9.cd5 Nd5–/+ 10.Bb5 Qd6 11.Qa4 Nb6 12.Qh4 Bd3 13.Bc6 bc6 14.Qg5+= Qg6 15.Qg6 fg6 16.Ne5 Bb5 17.Nc3+/– Bc3 18.Bc3+– Na4 19.Ba5 Rac8 20.d4 c5 21.dc5 Nc5 22.Bb4+/– Rf5 23.Bc5+– Re5 24.Ba7 Rd8 25.Rc1+– c5 26.Rb1 Bd3 27.Rb8 Rb8 28.Bb8 Rd5 29.f3 c4 30.Kf2 c3 31.Rc1+/– c2 32.Ke1 Rb5 33.Bd6 Rb1 34.Kd2 Rc1 35.Kc1 Bf1 36.Kc2 Bg2 37.f4 Kf7 38.Kd3 Bh3 39.Kd4 h6 40.Ke5 g5 41.fg5 hg5 42.a4 (42.a4 g4 43.e4+–) 1–0. Sundin,Tommy – Sjoeberg,Mikael, Iggesund, 1989.

9.Be2 dc4 10.Bc4 Bd3 11.Qb3 Bc4 12.Qc4 Qd5 13.Qd5 Nd5 14.0–0 Rfe8 15.d4 Rad8 16.Nbd2 Bd2 17.Nd2 f5 18.Rfe1 a5 19.Rac1 Re6 20.Rc2 Kf7 21.Rec1 Ke8 22.Rc5 Nde7 23.Nf3 b6 24.R5c2 h6 25.h4 Rd7 26.a4+/– Kd8 27.Ba3 f4 28.Be7 Ne7 29.ef4 c6+= 30.Rc4 b5 31.Rc5+/– Rd5 32.ab5 cb5+= 33.Ne5 Rc5 34.Rc5 Rb6 35.Nd3 Nc6 36.Kf1 Kd7 37.Ke2 Nd4–/+ 38.Ke3 Ne6 39.Rd5 Kc6 40.Ke4 Nc7 41.Re5 Rb7 42.Kd4?? Kb6 43.g4 Rb8 44.f5 Rd8 45.Kc3 Nd5 46.Kc2 a4 47.f4 b4 ½–½. Schiffler,L – Pietzsch,Wolfgang, Leipzig, 1951.

9.Be2 dc4 10.Bc4 Bd3 11.Qb3 Bc4 12.Qc4 Qd5 13.Qd5 Nd5 14.0–0 f5 15.Ne5 Ne5 16.Be5 f4 17.e4 Rae8 18.d4 Ne7 ½–½. mr5reasons1 (1655) – md_babas (1650), gameknot.com, 2013.

8.Nf3 Bg4

9.Qc2 Bf3 10.gf3 d4 11.Qf5 Re8 12.e4 Re5 13.Qh3 Qe7 14.Bd3 Nh5 15.Qg4 Rg5 16.Qh3 Nf4 17.Qf1 Rd8 18.h4 Rg6 19.Kd1 Ne5 20.Bc2 d3 21.Bb3 Rb6 22.Rg1 Rb3 (22...Rb3 A) 23.Ra2 f5 (23...Nc4 24.Rg7 Kh8–+ 25.Ke1 Qf6 26.Rg8 Kg8 27.Qg1–+) 24.Rg5 Nc4 25.Rf5 Nb2 26.Rb2 Rb2 27.Kc1–+; B) 23.Bc3 Rb1 24.Rb1 Bc3 25.Rb3 Bd2 26.Kd2 Nc4 27.Kc1–+) 0–1. Hollstein,Gerhard – Enkrodt,Ulrich, Mehlingen, 1992.

9.cd5 Nd5 10.Be2 Qd6 11.0–0 Rfe8 12.d4 Rad8 13.Nbd2 Nc3 14.Bc3 Bc3 15.Nc4 Qe6–/+ 16.Rb1 Bf3 17.gf3 Nd4!–+ 18.ed4 Rd4 19.Bd3 Rh4 (19...Rh4 20.Qe2 Qc8–+ (< 20...Qe2 21.Be2 Re2 22.Rb7–/+); 19...Rc4?! 20.Bc4 Qc4 21.Qc2=) 0–1. Kring,Erik – Eliasson,Lennart, corr SSKK 2–54, 1985.

9.cd5 Nd5 10.Be2 Re8 11.0–0 Qd6 12.Nd4 Be2 13.Ne2 Ne5 14.d4 Ng4 0–1. Kern,Michael – Otto,Jeffrey M, IECG, 1998.

9.cd5 Nd5 10.Be2 f5 11.Qb3= Bb6 12.Bc4+= Nce7 13.Ng5 Qd6= 14.Nc3 c6 15.f3 Bh5 16.e4 fe4 17.Nce4 Qh6 18.h4 Kh8 19.g4 Bf7 20.Nf7 Rf7 21.0–0–0 Kg8 22.h5 Qf4= 23.g5 Qf3 24.Nf6+/– Rf6 25.gf6 Qb3 26.Bb3 gf6 27.Bf6 (27.Bf6 Nf5 28.d4+/–) 1–0. Heimbach – Bogoljubow,Efim, Heidelberg, 1930.

9.Be2 dc4 10.Bc4 Nd7 11.Qc2 Bf3=+ 12.gf3 Nde5 13.Be2 Qg5 14.Nc3 Qg2–/+ 15.0–0–0 Qh3 16.Rdg1 Qh6 17.Ne4 b5? 18.f4+– Ng6 19.Qc6 Rab8 20.f5 Rb6 21.Qc2 Nf4 22.ef4 Rc6 23.Rg7 (23.Rg7 Qg7 24.Qc6+–) 1–0. Hollstein,G – Henkel, Hauenstein Pfalz, 1991.

7.a3 Bd6

8.Nf3 Bg4 9.d4 dc4 10.Bc4 Na5 11.Bd3 Re8 12.Nbd2 Nc6 13.Qc2 h6 14.h3 Be6 15.0–0 Nd5 16.e4 Nf4 17.d5 Nd3 18.Qd3 Bc8 19.Nc4 Bf8 20.Rfd1 Nb8 21.Qc2 Nd7 22.Bd4 Nf6 23.Bf6 Qf6 24.e5 Bf5 25.Qc3 Qd8 26.d6 cd6 27.Nd6 White gets strong play along the open d–file 27...Bd6 28.Rd6 Qe7 29.Re1 Rac8 30.Qd4 b6 31.Qf4 Bg6 32.Re3 Rc1 33.Kh2 Qc7 34.Qg4 Re7 35.Nh4 Bb1 36.Rg3 g6 37.Nf5 Bf5 38.Qf5 Rc3 39.Rgg6?? fg6–/+ 40.Qg6 Rg7 41.Qe8 Kh7 42.Qh5 Kg8 43.Rh6 Kf8 44.Rh8 Rg8 45.Qh6 Qg7 46.Qd6 Ke8 47.Rg8?? Qg8 48.Qb8 Kf7 49.e6! Kg7 (49...Ke6 50.Qg8) 1–0. schaep1 – tired rook, ChessWorld.net, 2004.

8.Nf3 Bg4 9.cd5 Nd5 10.Be2 b6 11.Nc3 Nc3 12.Bc3 Qe7 13.Qa4 Bd7 14.Bb5 Qe8 15.Nd4 Ne5 16.Bd7 Qd7 17.Qd7 Nd7 18.Nf5 Be5 19.Ne7 Kh8 20.d4 Bf6 21.Nc6 Nb8 22.Nb4 c5 23.Nd5 cd4 Black launches an attack 24.Nf6 dc3= 25.Nd5 Rc8 26.Rc1 c2 27.Kd2 Rd8 28.e4 f5 29.Ke3 Na6=+ 30.Rc2 fe4 31.Ke4 Nc5 32.Ke5 Re8 33.Kf5 Nd3–/+ 34.f4 Rad8 35.Nb4 Rf8–+ (35...Rf8 36.Kg4 Rf4 37.Kg3 Nb4–/+) 0–1. Haantola,Harri – Rasanen,Erkki, corr FIN–chS10, 1984.

8.cd5 Nd5

9.Bc4 Nf6 10.Qc2 a6 11.d4 b5 12.Bd3= b4?? 13.Qc6+– Rb8 14.Qc1 c5 15.Nf3 ba3 16.Ba3 Rb3 17.Bc2 Qa5 18.Qd2 Rb5 19.Qa5 Ra5 20.dc5 Bc5 21.0–0 Be6 22.Bb2 Rb5 23.Bf6 gf6 24.Bd3 Rb2 25.Nbd2 Bb4 26.Rfb1 Bd2 27.Rb2 Bc3 28.Rbb1 Ba1 29.Ra1 Rd8 30.Nd4 Kg7 31.Ra6 Rc8 32.Ra1 Rc3 33.Ne6 fe6 34.Rd1 f5 35.g3 Kf6 36.Kg2 e5 37.Bb1 e4 38.Rd7 h5 39.Ba2 Kg6 40.Bf7 Kh6 41.Rd5 Kg5 42.Bh5 Kh5 43.Rf5 (43.Rf5 Kg6 44.g4+–) 1–0. Hollstein,Gerhard – Auer,Hans (2020), Pfalz GER, 1991.

7.a3 Be7

8.Bd3 Be6 9.Nf3 dc4–+ 10.Be2 b5 11.d3 b4 12.0–0 c3–+ 13.Bc1 a5 14.ab4 ab4 15.Ra8 Qa8 16.Qc2? Qa2 17.Bd1 Rb8 18.Nc3 Qc2 19.Bc2 bc3 20.e4 Nb4 21.Ba3 c5 22.Rb1 Ba2 23.Rc1 Nc2 24.Rc2 Rb3 25.Bc1 Bb1 26.Re2 Bd3 27.Re1 Rb1 28.e5 Ne4 29.g4 Ng5! 30.Ng5?? Bg5 (30...Bg5 31.Bg5 Re1 32.Kg2 c2–+) 0–1. Waibel,Ulrich (1650) – Dammer,Axel (2065), remoteschach.de, 2004.

8.d4 Be6 9.c5=+ b6 10.Bb5 Qd7?? 11.Qa4+– Qd8 12.Bc6 Rb8 13.cb6 ab6 14.Nf3 Bf5 15.0–0 Bd3 16.Re1 h6 17.Nc3 Qd6 18.Ne5 Bf5 19.f3 Qe6 20.Qb3 Rfd8 21.e4 de4 22.Qe6 Be6 23.Ne4 Nd5 24.Rac1 Nf4 25.Bb5 Bh4 26.Nc6 Rd5 27.Nb8 Rb5 28.g3 Rb2 29.gh4 Nd3 30.Nc6 Ra2 31.d5 Bh3? 32.Ra1+– Rg2 33.Kh1 Ne1 34.Re1 Ra2 35.Nc3 Ra3 36.Nb5 Rf3 37.Nc7 Rf2 38.Ne7 Kh7 39.Rd1 g5 40.d6 Bd7?! 41.hg5 hg5 42.Rb1 Bh3 43.Rd1?? Bd7 44.Ncd5 b5 45.Kg1 Rf3 46.Nb6 Be6 47.d7 Bd7 48.Rd7 b4 49.Kg2 Rb3 50.Nc6 Kg8 51.Rb7 Rb2 52.Kg3 b3 53.Na4 Ra2 54.Nc3 Ra3 55.Nb1 Ra2 56.Rb3 Kg7 57.Nc3 Rc2 58.Nd4 Rd2 59.Nf5 Kg6 60.Ne7 Kh6 61.Ne4 Ra2 62.Rb5 Re2 63.Rb6 Kh5 64.Kf3 Re4 65.Ke4 Kg4 66.Rb3 Kh5 67.Rf3 f6 68.Nd5 Kg6 69.Rf6 Kg7 70.Kf5 g4 71.Kg4 Kg8 72.Kg5 Kg7 73.Rg6 Kf8 74.Kf6 Ke8 75.Ke6 Kf8 76.h3 Ke8 77.Rg8# 1–0. SuperForte – REXChess, 1994.

8.d4 Be6 9.cd5 Qd5 10.Nc3 Qd8 11.Nf3= Na5 12.Bd3 c5 13.0–0 Nc4 14.Qe2 Nb2 15.Qb2 cd4 16.Nd4 Rc8 17.Rfd1 Qa5 18.Nce2 Bd5 19.Nf5 Rfe8 20.Bb5 Bc6 21.Ne7 Re7 22.Rac1 Ree8 23.Bc6 Rc6 24.Nd4 Rc1 25.Rc1 h6 (25...b6 26.Qc3 Qe5 27.Qc6=) ½–½. Wolf,Wolfgang (2285) – Hartung,Thomas (2110), BdF, 2003.

8.d4 Bf5 9.Be2 dc4 10.Bc4 Na5 11.Be2 c5 12.Nf3 Nc6 13.0–0 Qb6 14.Bc3 Rfd8 15.dc5 Bc5 16.Nbd2 Nd5 17.Bd4 Bd4–+ 18.Nc4 Qc7 19.Nd4–/+ Nc3 20.Qb3?? Nd4–+ 21.ed4 Ne2 22.Kh1 Nd4 (23.Qb4 Nc2–+) 0–1. Kern – Stein, Hessen clubgame, 1995.

8.d4 Bg4 9.Qb3 –/+.

8.cd5 Nd5 9.Nc3 Bf6 10.d4 Re8 11.Nd5 Qd5 12.Ne2 Be6 13.Qd2 Bh3?? 14.Nf4+– Qe4 15.Bd3?? Qe7?? 16.Nd5 Qd8 17.Nf6 Qf6 18.gh3 Qh4 19.Rg1 Qh3 20.0–0–0 b6 21.d5 Ne5 22.Be5 Re5 23.Qc3 f6 24.Rg3 Qd7 25.f4 (25.f4 Re7 26.Qf6+–) 1–0. Weber,Krzysztof – Zielinski,J, corr Arlamowski mem3 Poland, 1981.

8.Nf3 Be6 9.Qa4 (9.Qc2 Re8 A) 10.Be2 dc4 11.Bc4 Bc4 12.Qc4 Na5 13.Qc3 Qd5 14.0–0+=; B) 10.Ng5 Bg4 11.f3 Bc8 12.Bd3 h6 13.cd5 Qd5 14.Ne4=; C) 10.d4 Qd7 11.cd5 Bd5 12.Nc3 Bf3 13.gf3 Nd4 14.ed4=; D) 10.c5 Qd7 11.d4 Bf5 12.Bd3 Bd3 13.Qd3 b6 14.0–0+=; E) 10.cd5 Qd5 (10...Bd5 11.Bc4 Bc4 12.Qc4 Qd6 13.0–0 Rad8 14.Bf6=) 11.Nc3 Qc5 12.d4 Qb6 13.Bd3 Bb3 14.Qb1=; F) 10.Bd3 dc4 (10...Bg4 11.cd5 Qd5 12.Nc3 Qh5 13.Ne4 Bf3 14.gf3=) 11.Bc4 Bc4 12.Qc4 Qd6 13.0–0 a6 14.Rc1=) 9...a6 (9...Re8 10.d4 a6 (10...Qd7 11.Nc3 dc4 12.Rc1 Bg4 13.Ne5 Ne5 14.de5+=) 11.c5 Qd7 12.Nc3 b5 13.cb6 cb6 14.Ne5+=) 10.Qc2 Na5 (10...Bg4 11.Be2+= (11.d4 Bf3 12.gf3 Re8 13.Nc3 Nd4 14.ed4+=) 11...dc4 12.Bc4 Qd7 13.Qd3 Qd3 14.Bd3+=; 10...Re8 11.Ng5 Bg4 12.f3 Bc8 13.Bd3 h6 14.cd5+=) 11.cd5 (11.Ng5!? h6 12.cd5 Bd5 13.Bf6 hg5 14.Be7 Qe7 15.Nc3=) 11...Bd5+= 12.Be2 (12.Nc3!? Bb3 13.Qd3+= (13.Qb1 c5 14.Bd3+=) 13...Bd6 14.Ne4+=) 12...Nb3–/+ 13.Ra2 Nc5 14.Ra1 Be4 15.Qc3 Bd3 16.Bd3 (16.Qd4 Bc2 17.Qd8 Rfd8+=) 16...Nd3–/+ 17.Ke2 Nf2! 18.Rf1 (18.Kf2 Ne4) 18...N2e4 19.Qc2 Re8 20.d3 Nc5 21.Nc3 Bf8 22.Ng5 (22.Nd1!?–/+) 22...Ng4–+ 23.Nge4 Ne3?? (better is 23...Nh2 24.Rf5 Ne4 25.Ne4 Qd7–/+) 24.Ke3= Qg5 (24...Qg5 25.Kf2 Qd8+=). Schuehler,Ernst – Cottarelli,Franco, corr 3GMM½–01, 1999.

8.Nf3 Bf5 9.d4 Na5 10.cd5 Qd5 11.Nc3= Qb3 12.Qc1 Rad8 13.Be2 Qe6 14.d5 Qd7 15.Nd4 Bg6 16.h4 h6 17.h5 Bh7 18.0–0 Bc5 19.Qd2 Bb6 20.Rad1= c5 21.dc6 Nc6 22.Nf3 Qg4 23.Qc1=+ Rd1 24.Rd1= Re8 25.Nb5 Ne4 26.Nd6 Nd6=+ 27.Rd6 Bc7 28.Nd4 Qh4 29.Nf3 Qg4 30.Nd4 Qh4 ½–½. Schulz,Hans_Juergen – Baer,Werner, TT–15.17 ETC, 2005.

8.Nf3 Bf5 9.d4 Na5 10.cd5 Qd5 11.Bd3 Bd3 12.Qd3 Nc4 13.Bc3 c5=+ 14.0–0 Ne4 15.Rc1 b5 16.a4 a6=+ 17.Qe2 Rac8 18.ab5 ab5 19.dc5 Bc5 20.Be1 Rfe8 21.Nc3 Nc3 22.Rc3 Red8 23.Rb3 Rb8 24.Rab1 Qc6 25.Bb4= Bb6 26.Rd1 Rd1 27.Qd1 Rd8 28.Qc2 Qd5 29.Rb1 f6 30.h3 Qf7 31.Qb3 Kh8 32.Bc3 Qg6 33.Rd1 Rd1 34.Qd1 h6 35.Qd7 Qc2 36.Bd4 Bd4 37.Nd4 Qd1 38.Kh2 Nd2 39.h4 Nf1 40.Kh3 Nd2 41.Qd8 Kh7= 42.Qd5 Qh1 43.Kg3+= Nf1 44.Kg4 Nh2 45.Kf4 Qg1 46.Qf5 Kg8 47.Qc8 Kf7 48.Qd7 (48.Qe6 Kf8 49.f3 Nf1+=) ½–½. Van Moorsel,A – Soley,A, IECG, 2004.

8.Nf3 Bf5 9.cd5 Nd5 10.Bb5 a6 11.Bc6 bc6 12.Nd4 Qd7 13.Qa4?? (better is 13.Qc1–/+) 13...Rab8–+ 14.Nb3 (14.Bc3 Rb1 15.Rb1 Bb1 16.0–0–+) 14...Bc2 15.Nc5 (15.Qd4 Bf6 16.Qc5 Rb3 17.Bf6 Bb1–+ (17...gf6?! 18.Qc2 Rfb8 19.0–0=; worse is 17...Nf6 18.Qc2 Rfb8 19.0–0–/+; 17...Rb1 18.Rb1 Bb1 19.Bd4–+)) 15...Qf5 (15...Bc5?! 16.Qc2 f5 17.0–0+=) 16.Qd4 (16.g4 Qf3 (16...Rb2?! 17.gf5 Ba4 18.Na4–/+; 16...Bc5 17.gf5 Ba4 18.Nc3–+) 17.Qc2 Qh1 18.Ke2 Bc5 19.Qc5 Rb2–+) 16...Bf6 17.g4 (17.Qc4 Rb2 18.0–0–+) 17...Qf3 (17...Qf3 18.Nc3 Bd4 19.Nd5 Bc5–+; 17...Bb1?! 18.gf5 Bd4 19.Bd4 Bf5 20.Rg1=) 0–1. philipswinner – marekt, ChessWorld.net, 2016.

8.Nf3 Bg4 9.Be2 Qd7 10.cd5 Nd5 11.d4 Rfe8 12.Nbd2 a6 13.0–0 Bf8 14.Qc2 Rad8 15.Ng5 Bf5=+ Black gets strong initiative 16.e4 Nf4–/+ 17.Bc4 Bg6–+ 18.g3 Qg4 19.Nf7 Bf7 20.Bf7 Kf7 21.Qc4 Kg6–+ 22.Rae1 Ne5 23.Qc7 Ned3 24.f3 Qd7 25.Qb6 Qe6 26.Qa5 Nh3 27.Kg2 Ne1 28.Re1 h6 29.f4 Qg4–+ 30.Rf1 Kh7 31.Qc3 Rc8 32.Qd3 g5 33.e5 Kh8 34.fg5 Ng5 35.h4 Qh3 36.Kg1 Nh7 37.Rf7 Bg7 38.d5 Rf8 39.Rb7?? Rc2!! (39...Rc2 40.Rg7 Kg7 41.e6 Rb2–+) 0–1. Nebe,Lutz – Merten,Rainer, corr SOK–89–31, 1989.

8.Nf3 Bg4 9.h3 Bh5 10.d4 dc4 11.Bc4 Na5 12.Be2 c5 13.Nbd2 cd4 14.Bd4 Nc6 15.Bb2 Rc8 16.Nc4 b5 17.Ncd2 Qd5 18.0–0 Rfd8 19.Nd4 Nd4 20.Bd4 a6 21.f3 (21.a4!?+=) 21...Bg6–/+ 22.Qb3 (22.f4!?–/+) 22...Rc2–+ 23.Qd5 Nd5 (23...Rd5?! 24.Rfd1–/+) 24.Rfd1 Nc3 25.Bc3 Rc3 26.Nf1 Rd1 27.Bd1 Ba3 28.e4 Bc5 29.Kh2 Ba3 30.Be2?? (30.Kg1 a5 31.Kf2–+) 30...Kf8–+ 31.Ra2 f6 32.Nd2? (32.Ng3–+) 32...Bf7 33.Nb1 Ba2 (better is 33...Bd6 34.g3 Rf3 35.Bf3 Ba2 36.Nd2–+) 34.Nc3 Bc4 35.Kg3 Be2 36.Ne2 Bb2 37.Kf4 a5 38.Ke3 a4 39.Kd3 a3 40.Kc2 Be5 41.Kb3 b4! 42.Nc1 (42.Kb4 a2 Passed pawn) 42...Bd6 43.Nd3 Ke7 44.f4 Kf7 45.g4 g5 46.f5 Ke8 47.Ne1 Kd7 48.Nf3 Kc6 49.Nd4 Kd7 50.Ne6?? h6 51.Ka2 Bg3 52.Nc5 Kc6 53.Nd3 Kb5 54.Kb3 Bd6 55.Ne1 a2! 56.Ka2 Kc4–+ 57.Nf3 Kd3 58.e5 fe5 59.h4?? gh4 60.Kb3 h3 0–1. Williams,Barry M – Hoskyn,Gordon A, NZCCA HT corr New Zealand, 2000.

8.Bf6 gf6 9.d4 +=.

8.Bf6 Bf6 9.Nc3 dc4 10.Bc4 Ne5 –/+.

8.Bf6 Bf6 9.d4 dc4 10.Bc4 Re8 –/+.

7.a3 Bg4

8.f3 Be6 9.cd5 Nd5 10.ab4 Ncb4 11.e4 +–.

8.f3 Be6 9.cd5 Nd5 10.ab4 Ndb4 11.d4 +–.

7.cd5 Qd5

8.Nc3 Bc3 9.Bc3 Ne4 10.Qc2 Rd8 11.Nf3 Rd6 12.d4 Bg4 13.Be2 Re8 14.h3 Bf3 15.Bf3 Qc4 16.Be4 Re4 17.Qe4?? Qc3–+ 18.Ke2 Re6 (18...Re6 19.Qb1 Nd4 20.Kf1 Nc2 21.Qb7 Qa1 22.Ke2 Qe5–+) 0–1. Schaar,Joerg (1940) – Ritter,Klaus (2410), RSX16D – Goldener Oktober–1, 2007.

8.Ne2 Bg4 9.Nbc3 Bc3 10.Bc3= Rad8 11.d4 Ne4 12.f3 Nc3 13.Nc3 Qe6 14.Qd2?? Rd4?? 15.Qf2?? Bf3?? 16.Qf3 Re8= 17.Kf2 Rd2 18.Be2? Qe5?? 19.Rac1= Nb4 20.Ke1 Rd3 21.Nd1 Qa5 22.Kf2 Qa2 23.Qb7?? Qd2–/+ 24.Qc7?? Rde3!–+ 25.Ne3 Qe3 26.Kf1 Qe2 27.Kg1 Nd3 28.h3–+ Nc1 29.Qc1 Qe1 30.Kh2 Qc1 (30...Qc1 31.Rc1 a5–+; better is 30...Qe5!? 31.Kg1–+). Loetzbeier – Zimmer, 1997.

8.Nf3 Ne4 9.Be2 Rd8=+ 10.0–0 Nd2 11.Nbd2 Bd2–/+ 12.Qa4 Qa5 13.Qb3 Be6 14.Bc4 Bc4 15.Qc4 Bb4 16.Rfd1 Qc5 17.Qe4 Qh5 18.Qc4 a6 19.Qb3 Qb5 20.h3 Be7 21.Qc2 Rd1 22.Rd1 Rd8 23.Rd8 Bd8 24.Bc3 Be7–/+ 25.Qe4 Bf8 26.a4 Qc5 27.Bb2 g6 28.Kf1 Bg7 29.Bg7 Kg7 30.Qf4 Nd8 31.Qe4 b5 32.ab5 ab5 33.Qd4 Qd4 34.Nd4 c6 35.Ke2 Kf6 36.f4 Ke7 37.g4 Kd6 38.Kd3 Ne6 39.Nf3 f6 40.Nd2 f5 41.Nf3 Kd5 42.gf5 gf5 43.Nh4 Ng7 44.Nf3 c5 45.Ng5 h5 46.Kc3 b4 47.Kb3 Ne8 48.Nh7 Ke4 49.Ng5 Ke3 50.Ne6 Nd6 51.Nc5 Kf4 52.Nd3 Kg3 53.Kb4 Kh3 54.Kc5 Ne4 55.Kd5 h4 56.Ke6 Kg4 57.Ne5. pierre (2055) – Ashwad (1850), internet, 2006.

8.Nf3 Ne4 9.Be2 Rd8 10.a3 Ba5 11.0–0 Bd2 12.Qc2 Bf5 13.Nbd2 Nd2 14.Qc3 Nf3?? 15.Bf3+– Qe5 16.Qe5 Ne5 17.Be5 c6 18.Rfd1 f6 19.Bd4 Rd7 20.Bc5 Rad8 21.Ba7 Bc2 22.Rd4 Rd4 23.ed4 1–0. Van Daatselaar,Jan Bart (2070) – Yeung,Chun Keung (1640), corr WSTT/3/06/Semifinal, 2008.

8.Nf3 Bg4 9.Be2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bg4 8.cd5 Qd5 9.Be2).

8.Nf3 Bg4 9.Bf6 gf6 10.a3 Ba5 11.Be2 Rad8 12.0–0 Qh5 13.Nd4 Rd4 14.f3 Bf5 15.f4 Qh6 16.ed4 Nd4 17.Nc3 c6 18.Rc1 Rd8 19.Rf2 (19.Kh1 Ne2 20.Qe2 Bd3=) 19...Bc7 (19...Bb6 20.Kh1 Nb3 (20...Ne2?! 21.Qe2 Bf2 22.Qf2+=) 21.Qb3 Bf2 22.Qb7 A) 22...Qf4?! 23.Qc6 Rd2 A1) 24.Qf6?? Rd6 25.Qd6 Qd6–+ (25...Qc1?! 26.Nd1=); A2) 24.Rf1+=; B) 22...Bg3–+) 20.Bg4= Bd3 21.Na4 f5 22.Rc3 (22.Nc5!? fg4 23.Nd3=) 22...Ne6 23.Rd3 Rd3 24.Bf5 Ra3 25.Be6 Qe6 26.Nc5 Qf5 27.Qc1 Ra2 28.Re2 Qf6 29.Nb3 a5 30.Re8 Kg7 31.Qb1 Ra3 32.Re4 b5 33.Kf1 Bf4 34.Ke2 b4 35.g3 Bc7 36.Qc2 Qf5 37.Qb2 Kg6 38.d3 f6 39.Nd2 Bb6 40.Rf4 Qd3 41.Kd1 Rc3 42.Rg4 Kf5 43.Rf4 Kg5 44.h4 Kh5 45.Qb1 Be3 (45...Be3 46.Qd3 Rd3 47.Rf6 Rd2 48.Ke1 Ra2–+) 0–1. Buczinski,Henryk (2195) – Benassi,Aspasio (2155), RA–2011–O–00171, 2011.

8.Nf3 Re8

9.Be2 Bf5 10.a3 Ba5 11.0–0 Rad8 12.d4 Ne4 13.Qc1 Qd6 14.Rd1 Be6 15.Nbd2 Bd5 16.Nc4 Qh6 17.Nfe5 Ne5 18.de5 White creates threats along the open d–file 18...Bb6 19.Nb6 cb6 20.Bf3 Qg6 21.Rd4= White is in command 21...Nc3 22.e4+/– Ne4 23.Qd1 Re5 24.Be4+– Re4 25.Rd5 Rde8 26.h3 h6 27.Rd8 h5 28.Rc1 Kh7 29.Re8 Re8 30.Rc4 b5 31.Rh4 a6 32.Qh5 Qh5 33.Rh5 Kg6 34.Re5 Rd8 35.Re7 Rd2 36.Bc3 Rc2 37.Ba5 Ra2 38.Bb4 a5 39.Ba5 Ra3 40.Bb6 b4 41.Rb7 b3 42.Bd4 (42.Bd4 f6 43.Bb2+–) 1–0. Miralles,Gilles – Spiridonov, Burgas, 1985.

9.Be2 Bg4 10.0–0 Qh5 11.h3 Ne5? 12.hg4+– Nfg4 13.Be5 Re5 14.Nh4 Qh4+/– (14...Qh4 15.Bg4 Rg5+/–). Schiffler – Bruechner, 1952.

8.Nf3 Qf5=+

9.a3 Ba5 10.Be2 Qg6 11.Nh4 Qh6 12.Nf3 Bf5 13.0–0 Rad8 14.Nc3 Rfe8 15.Qb3 Ne4 16.Ne4 (16.Qb7? Rb8 (16...Nd2?! 17.Nd2 Rd2 18.Bf3–/+) 17.Qa6 Rb2–+) 16...Be4 17.d3 (17.Qb7? Rb8 (17...Bd2 18.Qc7 Ba5 19.Qg3+=) 18.Bg7 Qg7–+ (18...Rb7 19.Bh6 Rb2 20.Rfd1+–; 18...Kg7?! 19.Qa6–+)) 17...Bd5 18.Qc2 (18.Qb7?? Rb8 19.Qa6 Rb6 20.Qb6 ab6–+) 18...Bb6 19.Rad1 Na5 20.Qc3 Bb3 21.Rde1 Be6 22.Qe5 Nb3 23.Qg3 c5 24.Bc3 f6 25.Rd1 Re7 26.Nd2 Nd2 27.Rd2 Bc7 28.f4 Bf7 29.a4 f5 30.Be5 Rd5 31.Bc7 Rc7 32.Rc2 Rdd7 33.Rfc1 Qd6 34.a5 Re7 35.Qf2 g6 36.Bf1 b5 37.h3 b4 38.Rb2 b3 39.Rbb1 Re8 40.Kh2 Rce7 41.d4 cd4 42.ed4 Qb4 43.a6 Rd8 44.Rd1 Rc7 45.Rd2 Bd5 46.Bd3 Re8 47.Rdb2 Kg7 48.Rd1 Rc6 49.Rbb1 Rc3 50.Rb2 Qa3 51.Re2 Re2 52.Qe2 Qd6 53.Qd2 Rc6 54.Qf2 Rb6 55.Rb1 Rb4 56.Rf1 Bf7 57.d5 Qd5 58.Bb1 Qd4 59.Qf3 Ra4 60.Qe2 Kf8 61.Qb5 Rb4 62.Qc6 b2 63.Rf2 Rc4 64.Qf3 Bd5 65.Qe2 Rb4 66.Qe1 Rb3 67.h4 Be4 68.Rd2 Qb4 69.Rd8 Kg7 70.Qb4 Rb4 71.Rd7 Kh6 72.Ra7 Rb3 73.Ba2 Kh5 74.Rh7 Kg4 75.Rg7 Ra3 (75...Ra3 76.Bb1 Ra6 77.Be4 fe4–+) 0–1. Wantoch_Rekowski,Jacek (2245) – Ciesielski,Stefan (2210), WS/M/186 ICCF, 2008.

9.a3 Ba5 10.Be2 Qg6 11.Nh4 Qh6 12.Nf3 Qg6 13.Nh4 Qh6 14.Nf3 Qg6 (14...Be6 15.Qc2=+) ½–½. marekt (2030) – johannes10 (1885), internet, 2007.

9.a3 Ba5 10.Be2 Qg6 11.Nh4 Qe4 12.Bf6= gf6 13.Nf3 Qg6 14.Nc3 Rd8= 15.Rc1 Kh8 16.0–0+= Rg8 17.g3 1–0. Van Daatselaar,Jan Bart (2070) – Walker,John T (1940), corr WSTT/3/06/Semifinal, 2008.

9.a3 Ba5 10.Be2 Qg6 11.Nh4 Qh6 12.Nf3 Bf5 13.0–0 Rad8 14.d4 Ne4 15.Bd3 Rfe8 16.Qc2 Bg6 17.Rd1 Rd6 18.Nc3 Bc3 19.Bc3 Ng5 20.Ng5 Qg5 21.Rab1 b6 22.f4 Bd3 23.Qd3 Qd5 24.Re1 Rdd8 25.e4 Qd6 26.Rb5 Qf4 27.Rf5 Qd6=+ 28.Ref1 f6 29.Qc4= Kh8 30.Rd5 Qe6 31.Rd8 Nd8 32.Qc7 Qe4 33.Re1 Qc6 34.Re8 Qe8 35.Bd2 h6 36.d5 Kg8 37.d6 Ne6 38.Qa7 Qh5 39.Qa8 Nf8 40.Bb4 Qd1 41.Kf2 Qd4 42.Kg3 Kh7 43.Qf3+= g5 44.h3 Kg6 45.Kh2 Nd7 46.Qb3 Kg7= 47.Qa4 Qe5 48.Kh1 Qe6 49.Qc6 h5 50.Bc3 g4 51.Kh2 gh3= 52.gh3 ½–½. pierre – Yousuf, internet, 2006.

9.a3 Be7 10.d4 Rd8 11.Bd3 Qh5 12.Nbd2 Bg4 13.0–0 Bd6 (13...Rab8 14.Qc2=) ½–½. pierre – genseric, internet, 2007.

8.Bf6 gf6

9.Nc3 Bc3 10.dc3+= Qa5 11.Qc2 Bf5 12.Bd3 Rfe8?? 13.Bf5+– Nd4 14.Bh7 Kg7 15.Qd3 Rad8 16.Rc1 f5 17.Bf5 Nf5 18.Qc4 Rd4 19.Qb3 Ne3 20.Nf3?? Nc4 21.Kf1 Nd2 22.Nd2 Rd2 (22...Rd2 23.c4 Qe5 24.Qg3 Qg3 25.fg3 Ra2–/+) 0–1. De Brus,Raoul – Siberchicot,Robert, corr AJEC/2390, 1992.

9.Nc3 Qc5 10.Nf3 Bc3 11.Rc1 Bd2 12.Qd2 Qe7 13.Be2 Rd8 14.Qb2 Ne5 15.0–0 c5 16.Ne5 fe5=+ 17.Qc3 b6 18.f4 e4 19.a4 Bd7 20.f5 Re8 21.f6 Qe5 22.Qc2 Re6 23.Rcd1 Bc6 24.Bc4 Rf6 25.Rf6 Qf6 26.Rf1 Qe5 27.Rf7 (27.Rf7 Bd5 28.Re7 Qa1 29.Kf2 Rf8 30.Kg3 Qe1 31.Kg4=). mtr – bill, littlegolem.net, 2009.

9.Nc3 Qd6 10.Nge2 Bf5 11.Nf4 Rfd8 12.Be2 Kh8 13.0–0 Rg8 14.Nb5 Qf8 15.d4 Bd6 16.Nd6 White gets strong initiative 16...Qd6 17.Bf3 b6 18.Qa4 Bd7 19.Qc4 Na5 20.Qf7 Rg7 21.Qh5 Rag8 22.g3 c6 23.Rfc1 Qf8 24.Qh4 Be8? 25.Ne6 Qe7 26.Ng7 Qg7 27.Qf4 Bg6 28.Bc6 Bh5 29.d5 Nc6 30.dc6 Be2 31.c7 Ba6 32.Rd1 Qe7 33.Qd6 Qf7 34.Qd7 Qg6 35.Qe7 Bb7 36.Rd8 a5 37.Rg8 Kg8 38.Rd1 Qf7 39.Rd8 Kg7 40.Qf7 Kf7 1–0. Makowski,Zbigniew – Michalczuk,Krzysztof, Szczecin Poland, 1982.

9.Ne2 Bd6 10.Nbc3 Qa5 11.Ng3. Adam.

9.Ne2 Rd8 10.Nbc3 Qa5 11.a3?? Ne5–+ 12.Qb1 Nd3 13.Kd1 Nf2 14.Ke1 Bc3 15.Kf2 Ba1 16.Qa1 Rd2 17.Qf6 Qf5 18.Qf5 Bf5 19.Ke1 Ra2 20.Nd4 Bg6 21.h4 c5 22.h5 cd4 23.hg6 hg6 24.ed4 Rd8 25.Rh4 Re8 26.Kd1 Ra1 27.Kc2 Rf1 0–1. Akhmedov,Rovshan – Djafarli,Alizamin, AZE–ch U14, 2003.

9.Ne2 Rd8 10.Nec3 Qg5 11.g3 Bg4 12.Be2 Bh3 13.a3 Ba5 14.f4 Qh6 15.Bf1 Rd6 16.Qf3 Rad8 (16...Re8 17.Bh3 Qh3 18.Ra2–/+) 17.Bh3 Qh3 18.Ra2 Rd3 19.Rb2 Nd4 20.Qb7 (20.Qf2 Nf5 21.Qf1–+ (21.Rb7 Ne3 22.Qe2 Bc3 23.Nc3 Nc2 24.Kf2 Rd2 25.Rc7 Qe6–+)) 20…c6–+ (20...c6 21.Kf2 Qh5–+) 0–1. Boehnke,Hartmut (2035) – Wister,Finn A (2280), WC17/WS47 ICCF, 2009.

9.Ne2 Qh5 10.Nbc3 Be6 11.a3+= Ba5 12.Qc2 Rad8 13.Ng3 Qe5 14.f4 Qc5 15.Nge4 Qe7 16.Qb2 Kg7 17.0–0–0 Bf5 18.Ng3+= Qc5 19.Be2 Bd3= 20.Bd3 Rd3 21.Nge2 Rfd8–/+ 22.Kb1 Bc3 23.Nc3 Na5 24.Qb4 Qb4 25.ab4 Nc4 26.Kc2 Rd2–+ (26...Rd2 27.Rd2 Rd2 (27...Nd2? 28.Rd1+–) 28.Kb3 Ne3–+) 0–1. Goltz – Hess, corr DDR, 1981.

9.Nf3 Be6 10.Nc3 Qa5 11.Qc2 Ne5 12.Be2 Rad8 13.0–0 Nf3= 14.Bf3 Rd2 15.Qd2 Bc3 16.Qd1 Ba1 17.Qa1 Qe5 18.Bb7 Rb8 19.Bc6 Bc4 20.Rc1 Rb6 21.Qe5 fe5 22.Be4 Ba2 23.Rc7 Bd5=+ 24.f3 Be4 25.fe4 a5 26.Ra7 ½–½. pierre – teoretic, internet, 2007.

9.Nf3 Be6 10.Be2 Qa5 11.0–0+= Kh8 12.Nc3 Rg8 13.Ne4 Rg7 14.Qb1 Rb8 15.Rc1 Bf5 16.g3 Ba3 17.Rc4 Ne5= 18.Ne5 fe5 19.Qc2 b5 20.Rb1 Rd8 21.Rc3 Bb4 22.Rd3 Bd6 23.Bf3 b4 24.Rb2 Qb6 25.a3 a5 26.Rb1 Rb8 27.Qd1 Be7=+ 28.Qa4 c5 29.ab4 ab4 30.Rd5 f6 31.d4 cd4 32.ed4 Be6 33.Ra5 Qd4 34.Rd1 Qc4 35.Nd2 Qd3 36.Qc6 Bg8 37.Nf1 Qc3–+ 38.Qc3 bc3 39.Ne3 Bb4 40.Ra6 f5! 41.Rc6 (41.Nf5 Rc7) 0–1. pierre – sodagar.1982, chesspark.com, 2008.

9.Nf3 Bf5 10.Be2 Rad8 11.0–0 Kh8 12.d4 Rg8 13.Kh1 Be4 14.Qb3 Bd6 (better is 14...Qb3 15.ab3 f5=) 15.Bc4?? (better is 15.Qd5 Bd5 16.Nc3+/–) 15...Qh5 (15...Rg2 16.Qd1 Rh2 17.Kg1 Rg8 18.Ng5 Rh1) 16.Bf7 (16.Rd1 Bf3 17.h4 Rg2 18.Qb7 Qh4) 16...Bf3 17.Bh5 Bg2 (17...Bg2 18.Kg1 Bd5 19.Bg6 Rg6#) 0–1. Schaar,Joerg (1940) – Rheindt,Stefan (2015), RSS4D easy–35, 2007.

9.Ne2 Qe5

10.Nbc3 Bg4 11.Qc1!? Adam.

10.Nbc3 Bg4 11.Rc1 Rfd8 12.Qb3 Be6 13.Qa4 a5 14.a3 b5!–/+ (14...b5 15.Qc2 Ba3–/+). Tichy – Adam,Stefan, corr, 1972.

10.Nbc3 Bg4 11.f3 Be6 12.a3 Ba5 13.Qc1 Rad8 14.Rb1+= Bc4 15.Kf2 Bb6 16.Nf4 Bf1 17.Kf1 Nd4 18.Nfe2 Ne6 19.Rb5 Qd6 20.Ne4 Qe7 21.Qc3 Kg7?? 22.N2g3 (22.N2g3 Nd4 23.Qd4 Rd4 24.Nf5 Kh8 25.Ne7+–) 1–0. Kjaerstad,Eivind J – Bjoerneraas, corr Norway, 1971.

10.Nec3!? Rd8 11.Be2 Bf5 12.Qc1 (12.d4? Nd4! (12...Be6 13.Qb3); 12.Qb3). Adam.

9.Ne2 Bg4

10.Nec3 Qd7 11.Be2 Be2 12.Ne2 Rad8 13.Nbc3 Bc3 14.Nc3 Qd3 15.Rb1 Nd4 16.Rb2 Rfe8 17.Qg4 Kh8= 18.Kd1 Nb3 19.Nb1 Nc5 20.Qe2 Qe4=+ 21.Rg1 Nd3 22.Rb3 Nb4 23.Nc3?? Qc2–+ 24.Ke1 Nd3 25.Kf1 Nc1 26.Qf3 Nb3 27.Qf6 Kg8 28.Qg5 Qg6 (28...Qg6 29.Qg6 fg6 30.ab3 Rd2–+; 28...Kf8 29.Qh6 Ke7 30.Qg5 f6 31.Qg7 Ke6 32.Qg4 Kf7 33.Qc4 Kg6 34.Qb3 Qc1 35.Qd1 Qd1 36.Nd1 Rd2 37.Nc3–+) 0–1. Junge – Luebeck,W, corr DDR, 1981.

10.Nf4! Bd1 11.Nd5 Bc2 12.Bb5. Adam.

10.Nf4 Qd7 11.Be2 Be2 12.Ne2 Rad8 13.Nbc3 Bc3 14.Nc3 White gets the initiative 14...Qd3 15.Rb1 Nd4 16.Rb2 Rfe8 17.Qb1 Qb1 18.Rb1 b6 19.0–0 Nf5 20.d4 Nh4 21.Rfc1 c6+/– 22.Ne2 Rc8 23.Nf4 Kh8 24.Nd3 Ng6 25.Rb3 Red8 26.Rbc3 Ne7 27.Kf1 a5 28.a4 Kg8 29.Rb3 Rb8 30.Rcb1 Nd5 31.Nb2 Nb4 32.Nc4 Rd5 33.Ke2 Kf8 34.h4 c5 35.dc5 Rc5 36.Nd2 Rc2 37.R1b2 Rb2 38.Rb2 Rc8 39.Nb3 Nd5 40.Kd3+/– Ke7 41.g3 (41.g4 Nb4 42.Ke4 Na6+/–) ½–½. Junge – Ruhbaum,H, corr DDR, 1980.

10.Nf4 Qg5 11.Qb3 Rfe8 12.Be2 Nd4 13.Qc4 Rad8 14.0–0 Re4?? 15.Qc7+/– Ba5 16.Qb7 Ne2 17.Ne2 Be2 18.Qe4 Bf1 19.Kf1 Qb5 (19...Qb5 20.Ke1 Qb2 21.Qg4 Kh8–+) 0–1. Matt,Artur – Schwengers,A, corr FRG–ch M197, 1971.

10.Nf4 Qg5 11.Be2 Qe5–/+ 12.Bg4 Qa1 13.Bf5 Ne7 14.Qg4 Kh8 15.Bh7? Kh7–+ 16.0–0 Qb2?? 17.Qh4 Kg8 18.Qg4 ½–½. Pietrzak,Janusz – Wittmann,W, corr ICCF EU–M–GT–27, 1991.

9.Nf3 Bg4

10.Qb3 Bf3 11.gf3 Qe5 12.Nc3 Nd4 (12...Nd4 13.Qb1 Nf3 14.Ke2 Nd4 15.Kd1 Bc3 16.dc3 Ne6 17.Rg1 Kh8–/+). von Emmele – Adam,Stefan, corr, 1973.

10.Nc3 Bc3 11.dc3 Bf3 12.gf3 Qc5 (12...Qe5 13.Rc1) 13.Qc2 Ne5 14.Be2 Qc6 15.Rg1. Adam.

10.Be2 Rad8 11.0–0 Ne5 12.Ne5 Qe5 13.d4 Be2 14.Qe2 Rd4 15.Rd1?? Rd1 (16.Qd1 Qa1 17.Qg4 Kh8 18.Qb4 Rd8–+; Better is 15...Bd6 16.Qc2 Rd1 17.Qd1 Qa1–+) 0–1. hal1958 – Goggiis, HCL–E672 playchess.de, 2003.

10.Be2 Rfd8 11.0–0 Ne5= 12.Ne5 Be2?? 13.Qe2+– Qe5 14.Qg4 Qg5 15.Qb4 b6 16.d4 Kh8 17.Nd2 Rg8 18.g3 h5 19.Nf3 (19.Nf3 Qd5 20.Kg2+–; better is 19.Rfc1!? Rac8+–) 1–0. hal1958 – Fenix, playchess.de, 2002.

10.Be2 Rfe8 11.0–0 Rad8 12.d4 Qh5 13.Qb3 Kh8= 14.Rd1 Rg8 15.Kh1 Bd6 16.Nbd2 Bh2=+ 17.Nh2 Be2 18.Rg1 Rd5–/+ 19.g4 Bg4 20.f3 Qh2 21.Kh2 Rh5 22.Kg3 Be6 23.Kf4 Rg1 24.Rg1 Bb3 25.ab3 Ne7 26.Ke4 f5 27.Kd3 Nd5 28.Nc4 f6 29.Na5 Rh3 30.Rf1 b6 31.Nc6 a5 32.e4 fe4 33.Ke4 Nc3 34.Kf5 Kg7 35.Ke6 Nb5 36.d5 Rg3 37.Kd7 Rg5 38.Ne7 Kf8 39.Re1 Rg7 40.Kd8 h5 41.f4 Rg3 42.Nf5–/+ Rb3 43.Re8= Kf7 44.Re7 Kf8 45.Re8 Kf7 46.Re7 Kg8 47.Re8 Kh7 ½–½. Fritz 8 – Comet B25, 2003.

10.Be2 Rfe8 11.0–0 Qh5 12.h3! Adam.

10.Be2 Bf3 11.Bf3 Qe5

12.Nc3 Bc3 13.dc3 Qc3 14.Kf1 Rfd8 15.Qc1 Qd3 16.Be2 Qd2 17.a3 Na5 18.Rb1 Rac8 19.Qc5 b6 20.Qf5=+ Qc3 21.g3 Qa3 22.Qf6= Qd6 23.Qh4 Qc6 24.e4 Nc4=+ 25.Kg2 Ne5 26.Qg5 Ng6 27.Rhe1 Rd4 28.Rbc1 Qd6 29.e5 Qe6 30.h3 c5 31.Bg4 Qd5 32.Bf3 Qd7 33.Bg4 Qb7 34.Kg1 Re8 35.Re3 Qe7 36.Qh6 Qf8 37.Qh5 Red8 38.Ra1 a5 39.Rb1 Rb4 40.Rbe1 Qe7 41.f4 Rd5 42.Bf3+= Rd2 43.f5 Ne5 44.f6 Qf6 45.Re5 Kh8 46.Rf5 Qg6 47.Qg6 hg6 48.Rf7 Kg8 49.Rb7 Kf8 50.Rf1 Kg8 51.Bg4 Rd6 52.Re7 Rb3 53.Be6 Re6 54.Re6 1–0. wiking – Kuarwaki, internet, 2009.

12.Nc3 Bc3=+ 13.dc3 Qc3 14.Kf1 Rfd8 15.Qc1 Qd3 16.Kg1 Ne5 17.Bb7 Rab8 18.Bf3 Nf3 19.gf3 Kh8 20.h3 (20.h4 Qe2 21.Qf1 Rg8 (21...Qf3?! 22.Rh3 Qe4 23.a3–/+) 22.Kh2 Qf3–+) 20...Qe2–+ 21.Qf1?? (Better is 21.Qe1 Qf3 22.Rh2–+) 21...Qf3 22.Rh2 Rg8 23.Rg2 Rg2 (23...Qh3 24.Rc1 Rg2 25.Qg2–+) 24.Qg2 Rg8 25.Qg8 Kg8 26.Rc1 Qh3 27.Rc7 Qg4 28.Kf1 (28.Kh2 Qf5 29.Kg1 Qb1 30.Kg2 Qa2–+) 28...Qd1 29.Kg2 Qd5 30.Kh3 (30.Kf1 Qa2 31.f3 a5–+) 30...Qf3 31.Kh2 Qf2 32.Kh1 Qe3 (33.Rc2 f5 34.Rg2 Kf8–+) 0–1. Herbst,Armin – Kronberg,Sven_Ake, corr ICCF WT–H–186, 1977.

12.Bc6 bc6 13.Nc3 Bc3 14.dc3 Qc3 15.Ke2 Rad8 16.Qb3 Rd2–/+ 17.Kf3 Qe5 18.Qa4? Qd5–+ 19.Kg3 Kh8 20.Qf4?? Rg8 21.Kh4 Rf2!! (21...Rf2 22.Rhg1 Rf4 23.ef4 Qd2–+) 0–1. Junge,Wolfgang – Kreideweiss,Frank, corr W–Cup ICCF, 1976.

12.Bc6 bc6 13.Qg4 Kh8 14.Qb4 Qa1–/+ 15.0–0 Rab8 16.Qe4 Qa2–/+ 17.Qc6? Rb6 18.Qc5 Rfb8 19.Na3 Rb4 20.Qa7 R8b7 21.Qa5 Rb2 22.d3 Rb1 23.g3 R1b3 24.Qf5= Kg7 25.Nc4 Qe2–/+ 26.Ne5 R3b5 27.d4= h6 28.Qf3 ½–½. Kuehn,M – Kreideweiss,Frank, corr DDR–ch H, 1971.

12.Bc6!? bc6 13.Qg4 Kh8 14.Qb4 Qa1 15.0–0 Rfb8 –/+.

12.Bc6!? bc6 13.Qg4 Kh8 14.Qd4 =.

7.cd5 Nd5

8.a3 Bc5 9.Qc2 Bd6 10.Nf3 Bg4 11.Be2 Bf3 12.Bf3= Be5 13.d4 Bf6 14.0–0 Qd7 15.Nd2 Rad8 16.Rac1 g6 17.Rfe1 Bg7 18.Nb3 Nde7 19.a4 Rfe8 20.Ba3 Qc8 21.Be7+– Re7 22.Bc6 bc6 23.Qc6 Rd6?? 24.Qd6!! (24.Qd6 Qe6 25.Qe6 fe6 26.f4+–) 1–0. Sundin,Tommy – Bergkvist,Gunnar, Hudiksvall, 1989.

8.a3 Bd6 9.Nc3 Nc3 10.Bc3 Qe7 11.Qc2 Ba3 12.Nf3 Nb4 13.Qb3 Be6 14.Qb1 Nd5–/+ 15.Bd4 Bb4 16.h4 h6 17.Qb2–/+ f6 18.Bd3 Rfd8–+ 19.Qc2 Nf4 20.Be4 Bd5 21.Bd5 Rd5 22.Qb3 Qe4 23.Kf1 Qd3 24.Qd3 Nd3 25.Ke2 Ne5 26.Be5 fe5 27.Rhb1 c5 28.e4 Rdd8 29.Ra4 a5 30.Ra2 Re8 31.Ne1 Kf7 32.Nd3 Ke6 33.Ke3 b6 34.f4–/+ ef4 Black is in command 35.Nf4 Kd6 36.Rc2 Rad8 37.Nd5 Re4–+ 38.Ke4 Re8 39.Kd3 Kd5 40.Rf1 b5 41.Rf5 Kc6 42.Rb2 c4 43.Kd4 Re2 44.g4 c3! 45.Rb4 ab4 46.Rc5 Kb6 47.dc3 Rd2 (47...Rd2 48.Ke3 Kc5 49.Kd2 g5 50.hg5 bc3 51.Kc2 hg5 52.Kc3 Kd5–+) 0–1. Karpenko,Aleksandr (2000) – Kazantsev,Renal (2240), 2 CUP (e–mail), 2002.

8.a3 Be7 9.Nf3 Bf5 10.Be2 Qd7 11.0–0 Rad8 12.d4 Rfe8 13.Nbd2 Qe6 14.Rc1 Bf6 15.Re1 Nb6 16.Nc4 Nc4 17.Bc4 Qd7 18.Bb5 Be4 19.Nd2 (better is 19.Bd3!?=) 19...Bg2!–/+ 20.e4 (20.Kg2 Qd5 Double attack) 20...Bh3 21.Nb3 a6 22.Nc5 Qc8 23.Na6?? (better is 23.Bc6 bc6 24.f4=) 23...Bd4 24.Bd4 Rd4 25.Qh5 (25.Qf3 Ne5 26.Qg3–+) 25…Re5 (25...Re5 26.Qh4 Rb5 (26...ba6?! 27.Bc6 Rd3 28.Bd5–/+) 27.Nc7 Re5–+; 25...ba6?! 26.Bc6 Re6 27.Re3–/+; 25...Rde4?! 26.Re4 Re4 27.Bc6 bc6 28.f3–+; 25...Ree4 26.Re4 Re4 27.Bc6 bc6 28.f3–+) 0–1. Magomedov,Murad – Poliushkina,Darjia (1905), Kislovodsk RUS, Narzan Open, 2012.

8.Qc2 Qe7 9.g3 Re8 10.Kd1 g6 11.Bd3 Bc5 12.a3 Qd6 13.Nc3 Bg4 14.f3 Be6?? 15.Ne4+– Ncb4 16.ab4 Nb4 17.Nd6 Nc2 18.Ne8 Na1 19.Nf6 (19.Nf6 Kf8 20.Nh7 Ke7 21.Ba1+–; 19.Ba1?! Re8 20.Ne2 f5+–) 1–0. Gross – Wurzer,Gerhard, corr ICCF EU–ch GT131, 1976.

8.Qc2!? Re8!

8.Nc3 Nb6 9.Nf3 Bg4 10.Be2 Qe7 11.0–0 Rad8 12.d4 Rfe8 13.h3 Bh5 14.g4 (14.a3!? Bc3 15.Bc3=) 14...Bg6–/+ 15.d5? (better is 15.Bb5!?–/+) 15...Bc3–+ 16.Bc3 Nd5 17.Bd4 (17.Qb3 Nf4! 18.ef4 Qe2–/+) 17...Nd4 (better is 17...Ne3 18.fe3 Nd4 19.ed4 Qe2 20.Qe2 Re2–+) 18.Nd4? (better is 18.Qd4 Ne3 19.Qe3–+) 18...c5 19.Nf5 (19.Qb3 cd4 20.Bb5 Rf8 21.ed4 Nf4–+) 19...Bf5 20.gf5 Ne3 21.Qb3 Nf1 22.Bc4 (22.Bf1 Qf6 23.Rd1 Rd1 24.Qd1 Qf5 25.Qa4 Qg5 26.Kh2 Qe5 27.Kg1–+) 22...Nd2 (22...Nd2 23.Qc3 Qe4–+) 0–1. dtpwaldi – marvis (1620), internet, 2013.

8.Bc4 Ne3! 9.Bf7?? (9.fe3 Qh4 Double attack (9...Qg5 Decoy)) 9...Rf7 10.fe3 Qh4 11.g3 Qe4 12.Nf3 Rf3 13.Nc3 Bc3 14.Bc3 Rf7 (14...Rf7 15.Rg1 Bg4–+) 0–1. Schaar,Joerg (1940) – Masuch,Swen (2350), RSX16D – Goldener Oktober–1, 2007.

8.Bc4 Be6 9.Bd5 Bd5 10.Nf3 Bc4 11.Nd4?? (better is 11.a3 Ba5 12.Bc3–/+) 11...Nd4–+ 12.Bd4 (12.Qc1 Qd5 13.Bd4 Qg2 14.Qc4 Qh1 15.Ke2–+) 12...Qd4!! 13.Nc3 (13.ed4 Rae8 Decoy) 13...Bc3 14.Rc1 Bd2! 15.Qd2 Qd2 16.Kd2 b5 17.Kc3 Rfd8 18.Rhd1 Kf8 19.a4 c6 20.ab5 cb5 21.Rd2 Rd2 22.Kd2 Rd8 23.Ke1 Ke7 24.Ra1 Rd7 25.f4 Kd6 26.Kd2 Kc6 27.Kc2 Kb6 28.g4 a5 29.h4 b4 30.Re1 a4 31.e4 a3 32.Kb1 b3 33.Kc1 Bd3 34.Kd2–+ Bc2 35.Kc1 Rd1! 36.Rd1 Bd1 37.Kd1 a2 (37...a2 38.Ke1 a1Q 39.Ke2 b2 40.Kd3 b1Q 41.Ke3 Qe1 42.Kf3 Qac3 43.Kg2 Qcg3) 0–1. Melzig,Ernst – Kuczmera,Manfred (1605), Wch Seniors, 2002.

8.Bc4 Be6 9.h3 Qg5 10.Bf1 Ne3 11.fe3 Qg3 12.Ke2 Bc4 13.d3 Rad8 14.Nf3 Bd3 15.Qd3 Rd3 16.Kd3 Rd8 17.Ke2 f6 18.Bc3 h5 19.a3 Bc3 20.Nc3 g5 21.Ne4 1–0. lican – javicho2005, internet, 2013.

8.Bc4 Re8 9.Qf3 Ne5 10.Qg3? f6 11.Be5=+ Re5 12.Nf3 Re8 13.0–0 Be6 14.Qh4 c6?? 15.Bd5+– Bd5 16.Qb4 Bf3 17.gf3 Qc7 18.Nc3 Rad8 19.d4 f5 20.Rad1 Rd6 21.Qc4 Kh8 22.Nb5 Rg6 23.Kh1 Qd7 24.Nc3 f4 25.Rg1 Rg1 26.Rg1 fe3 27.fe3 Re3 28.Rg3 Qf5 29.Kg2 Qc2= 30.Kh3 Qf5 31.Kg2 Qc2 32.Kh3 Qf5 33.Kg2 Qc2 ½–½. Remillard,John – Charter,Bennet, Winnipeg March TNT op, 1999.

8.Be2 Be6 9.Nf3 a5 10.0–0 a4 11.a3 Be7 12.Bb5 Nb6 13.d4 Na5 14.Nfd2 (14.Ba4? Nac4 15.Bc2 Nb2 16.Bh7 Kh7 17.Qc2 Kg8 18.Qb2 Re8–+) 14...c6 15.Be2 (15.Ba4? Na4 16.Qa4 Nb3 17.Qb3 Bb3 18.Nb3 Re8–+) 15...f5 16.Nc3 Nac4 17.Nc4 Nc4 18.Qc2 (worse is 18.Na4 b5 19.Bc4 Bc4–/+) 18...Nb2 19.Qb2 Bb3 20.Bd1 Bc4 21.Be2 Bb3 22.Bd1 Bd1 23.Rfd1 (worse is 23.Rad1 Qd6=) 23...f4 24.Qb7 fe3 25.fe3 Bg5 26.Qc6 Be3 27.Kh1 Kh8 28.Na4 Qh4 29.Ra2?? (29.Qc3 Qg5 30.Nc5+–) 29...Rac8?? (29...Qd4 30.Raa1 Qa4 31.Qc3–+) 30.Qd6?? Bf4–+ 31.g3 Qh5 32.gf4 Qd1 33.Kg2 Qg4 34.Kf2 Rf4 (34...Rf4 35.Qf4 Qf4 36.Ke2 Qe4 37.Kd2 Qd4 38.Ke2 Qe4 39.Kd2 Rd8 40.Kc1 Qe3 41.Rd2 Rd2 42.Nc3 Qc3 43.Kb1 Qb2) 0–1. Zellmer,Gustav – Hrbolka,Ladislav (2205), Guben op, 2003.

8.Be2 Be6 9.Nf3 a5 10.a3 Be7 11.0–0 a4 12.Bb5 Nb6 13.Bc6 bc6 14.Nd4 Bd7 15.Qc2 c5 16.Nf5 Bf6 17.Ng3 Bb5 18.Rd1 Bd3=+ 19.Qc1 Be7 20.Nh5= Be2 21.Bg7 Bh5 22.Bf8 Qf8 23.f3? Qg7 24.Qc3 Bf6 25.d4 Bf3 26.Ra2 Bd1 27.Qc5 Re8 28.Nc3 Re3 (28...Re3 29.Rd2 Nd7–+) 0–1. Genne,Rene – Ambrosini,Nicola, Leukerbad, 1992.

8.Be2 Be6 9.Nf3 Qe7 10.0–0 Rad8 11.d4 a6 12.a3 Bd6 13.Nc3 h6 14.Ne4 Bf5 15.Nd6 Qd6 16.Rc1 Rfe8 17.Bd3 Qf6 18.Qc2 Bd3 19.Qd3 Nce7 20.e4 Nf4 21.Qc2 c6 22.Ne5 Neg6 23.Ng6 Qg6 24.g3 Nh3 25.Kg2 Nf4 26.Kg1 Nh3 27.Kg2 Ng5 28.f3 Qh5 29.h4 Ne6 30.Qc4 Qb5 31.Qb5 ab5 32.Rfd1 Nc7 33.Kf2 Rd7 34.Ke3 Red8 35.Re1 Ne6 36.Red1 Nc7 37.Rd3 Kf8 38.Rdc3 Ne6 39.Rd3 Ke7 40.f4 Nc7 41.f5 f6 42.g4 Na6 43.Rb3 Nc7 44.a4 ba4 45.Rb7 Nb5 46.Rd7 Rd7 47.e5 fe5 48.de5 a3 49.Ba1 Rc7 50.e6 c5 51.Ke4 c4 52.Be5 1–0. andrus9 – wuefistka, internet, 2013.

8.Be2 Re8 9.Nf3 (--> 8.Nf3 Re8 9.Be2).

8.Be2 Qg5 9.Nf3 Qe7 10.0–0 Re8 11.d4 Bg4 12.Nbd2? Ne3!–+ 13.fe3 Qe3 14.Rf2 Bd2 15.d5? Bf3 16.Bf3 Be1 17.Qe2 Bf2 18.Qf2 Qf2 19.Kf2 Nb4 20.Rd1 c6 21.d6 Rad8 22.a3 Nd5 23.Bd5 cd5 24.Rd5 f6 25.a4 Kf7 26.Ba3 Re5 27.Rd4 Ke6 28.Bb4 a5 (29.Ba3 b5 30.ab5 Rb5–+) 0–1. Janecky,J – Diener,Rudolf, corr ICCF T–625–19, 1975.

8.Ne2 Re8 9.Nbc3 Ne5 10.Nd4? Nf4!–+ 11.Qc2? Qd4!! 12.Kd1 Bg4 13.f3 Nf3 14.gf3 Bf3 15.Kc1 Re3! 16.de3 Qe3 17.Qd2 Qd2 18.Kd2 Bh1 19.Bc4 Bd5 20.Bb5 c6 21.Ba4 Rd8 (21...Rd8 22.Kc2 Bc4–+; 21...Re8 22.Bd1–+) 0–1. Van Dijk – Koopman, NL, 1971.

8.Nf3 a6 9.a3 Be7 10.Nc3 Bf6 11.Qc2= Be6 12.Be2 Qd7 13.d4 b5 14.Nd5+/– Qd5 15.Bd3 Qb3? 16.Qb3 Bb3 17.Be4 Na5 18.Ba8 Ra8 19.Nd2 Be6 20.Bc3 Nb3 21.Nb3 Bb3 22.Bb4 a5 23.Bc5 Bc4 24.Kd2 Re8 25.Rhc1 Re4? 26.Rab1 h6 27.Rc4 bc4 28.Rb5 Rg4 29.g3 Rg5 30.Ra5 Be7?? 31.Ra8 (31.Ra8 Kh7 32.Be7+–; 31.Be7?! Ra5 32.Kc3 Ra4+=) 1–0. Jeschke,Holger – Ahrens,Timo, Schleswig Holstein–ch, 1993.

8.Nf3 a6 9.Qc2 Bg4 10.a3 Bd6 11.Be2 Re8=+ 12.Nc3 Bf3 13.gf3 Nc3 14.Qc3 Be5 15.d4 Bf6 16.Qc2 Qd5 17.0–0 Rad8 18.Kh1 Ne7 19.Rab1 c6 20.Rg1 g6 21.Bc3 b5 22.Rbc1 Qe6 23.Bd3 Bg7 24.Ba5 Rc8 25.f4 Nd5 26.f5 Qd6 27.a4 Nb4 28.Bb4+= Qb4 29.Be4 ba4 30.Bc6 (30.Bc6 a3 31.fg6 hg6 32.Qd3+=). Puoli,Hernan – Rossano,Juan, corr LADAC CAAPE 8th, 2003.

8.Nf3 Bd6 9.Nc3 Be6 10.Nd5 Bd5 11.Be2 Qe7 12.0–0 Qe6 13.Qb1 Rfe8 14.Ng5 Qh6 15.f4 f6 16.Bf3 Bf3 17.Nf3 Qh5 18.Bd4 Nd4 19.Nd4 Qd5 20.Qf5 Qf5 21.Nf5 Bb4 22.Rfb1 a5 23.a3 Bd2 24.Kf2 b6 25.Rd1 Rad8 26.Ra2 Rd5 27.g4 Rf5–/+ 28.gf5 Be3 29.Kf3 Bc5 30.Rd3 b5 31.a4 b4 32.Rc2 Bb6 33.Re2 Kf8 34.Re8 Ke8 35.Ke4 h6 36.Kd5 Kf7 37.Kc6 Kg8 38.Kb5 Kh7 39.Rd7 h5 40.h4 Kh6 ½–½. pcmvr – marekt, ChessWorld.net, 2002.

8.Nf3 Bd6 9.d4 Re8 10.Bd3 Bb4–/+ 11.Ke2 Bg4 12.Bc4 Na5 13.Bb3?? Nb3–+ 14.ab3 Qd7 15.Nbd2 Bf3 16.gf3 Nf4 17.Ke1 Qh3 (17...Qh3 18.Qe2 Ne2 19.Ke2 Bd2 20.Kd2 Qf3–+) 0–1. Sawamura,Tetsushi – Hayakawa,Satoru, Email Open, 2003.

8.Nf3 Bd6 9.Be2 h6 10.0–0 Be6 11.a3 Nce7 12.d4 Nf6 13.Nbd2 Bd5 (13...c6 14.e4 Bf4 15.Qc2=) 14.Qc2+= Nh7? (better is 14...Ng6+=) 15.e4+– Bc6 16.e5 Re8 17.ed6 Qd6 18.Bd3 g6 (18...Nf6 19.Nc4 Qd5 20.Rfe1+–) 19.Rfe1 Bf3 20.Nf3 (20.gf3?! Ng5+–) 20...c6 21.Re5 Nd5 22.Rae1 Re7 23.Re7 Ne7 24.Qe2 Re8 (24...Nd5 25.Bc1+–) 25.Qe5 (better is 25.Qe3!? Nf6 26.d5 cd5+–) 25...Qe5 26.Re5 (26.de5 Rd8 27.Rd1 b5+–) 26...Nf6 27.Bc4 Kf8 28.Re1 Ned5 29.Re8 Ke8 30.Bd5 Nd5 31.g3 Ke7 32.Kf1 Nb6 33.Ke2 Nc4 34.Bc1 Ke6 35.Kd3 Kd5 36.Ne1 h5 37.Nc2 c5 38.dc5 Ne5 (38...Kc5 39.Be3 Ne3 40.fe3+–) 39.Ke2 (39.Kc3 a6+–) 39...a6 40.Be3 Kc4 41.f4 Nd7 42.Kd2 Nc5 43.Bc5 Kc5 44.Kd3 f5 (44...b5 45.Nd4+–) 45.Ne3 b5 46.Nc2 a5 Black prepares b4 47.Ne1 b4 48.a4 Kd5 49.Nf3 Kc5 50.Ne5 Kd5 (50...b3 51.Kc3 b2 52.Kb2+–) 51.Ng6 b3 (51...Kd6 52.Ne5 Kd5 53.Nc4+–) 52.Kc3 b2 53.Kb2 Ke4 (53...Kc4 54.Ka3+–) 54.Ne7 h4 55.gh4 (better is 55.Nf5 Kf5 56.Kc3 Ke4+–) 55...Kf4 56.Kc3 Kg4 57.Ng6 (57.Nf5 Kf4+–) 57...f4 (57...Kh5 58.Nf4 Kh4+–) 58.Nf4! Kf4 (58...Kh4 59.Kc4+–) 59.Kc4 1–0. Engelhardt,Erhard (1815) – Stiewe,Frank, Berlin Lichtenberger op 8th, 2009.

8.Nf3 Nce7 9.Nc3 Nc3 10.dc3= Ba5 11.Bd3 Bf5 12.Bf5 Nf5 13.0–0 Bb6 14.Nd4 Nd6 15.Qg4 Qf6 16.Nf3 Rad8 17.Rfd1 Rfe8 18.Qa4 Re4 19.Qc2 Rg4 20.c4?? Qf3–+ 21.g3 Bc5 22.Rd5 b6 23.Rad1 Re8 24.R5d3 Rc4 25.Qb3 Rg4 26.Qc2 h5 27.Ba3 Ba3 28.Ra3 h4 29.h3 Rg6 30.g4 Ne4 (31.Rd7 Rc6 32.Rf7 Kf7 33.Rd3 Rc2 34.Rd7 Re7 35.Re7 Ke7 36.Kh2 Rf2 37.Kg1 Qd1#) 0–1. Schmidt,Gregor – Bauer,M, SJRH–ch U20 Worms, 1996.

8.Nf3 Qe8 9.Be2 Bf5 10.0–0 Rd8 11.d4 Qe6 12.Qa4 a6 13.a3 Nb6 14.Qd1 Be7 15.Nc3 Rfe8 16.Re1 Qg6 17.e4 Bh3 18.Bf1 Bg4 19.d5 Bc5 20.Be2 Bf3 21.Bf3 Ne5 22.Be2 Qf6–/+ 23.Kh1 Bf2 24.Rf1 Qh4 25.Qb3 Nbd7 26.Qb7? Rb8–+ 27.Qc7 Rb2 28.Ba6 Nf6 29.Bb5 Nfg4 30.h3 Qg3 31.Qe5 Re5 32.Rac1 Qh2 0–1. Holmes0_40 – Bionic4_01, computer chess game, 2001.

8.Nf3 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bf5 8.cd5 Nd5).

8.Nf3 Bf5 9.a3 Ba5 10.Be2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bf5).

8.Nf3 Bg4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bg4 8.cd5 Nd5).

8.Nf3 Bg4 9.Be2 Re8 (--> 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 Bg4).

8.a3 Ba5

9.Nf3 Qd6 10.Qc2 Bg4 11.Be2 Rfe8 12.0–0 Nf4 13.Bd1 (13.ef4 Re2 Pinning (13...Re2 Deflection)) 13...Nd3 14.Nc3 Rad8 15.h3 (15.Nb5!? Qg6 16.Nbd4–/+) 15...Bf3 (15...Nb2?! 16.Qb2 Bf3 17.Bf3 Qd2 18.Qb7+=) 16.Bf3 Nce5 (16...Nb2?! 17.Qb2 Qd2 18.Qb7+=) 17.Bb7? (better is 17.Be4 Nb2 18.Qb2 Qd2 19.Qd2 Rd2 20.Nb1–/+) 17...Rb8?? (better is 17...Qb6–+) 18.Nb5?? (better is 18.Ne4 Qg6 19.Be5 Ne5 20.Qa4 Nf3 21.Kh1 Nd2 22.Nd2 Bd2 23.Qa7+/–) 18...Qd7 (18...Qd7 19.Be5 Rb7 (worse is 19...Re5 20.Bc6 Qf5 21.Rab1+/–; 19...Ne5?! 20.Be4=) 20.Bg7 Rb5–/+) 0–1. madik – menchy (2275), gameknot.com, 2010.

9.Nf3 Re8 10.Bb5 Qd6 11.0–0 Bg4 12.h3 Bh5 13.Nc3 Rad8 14.Rc1 Bc3 15.Bc3 Qa3 16.Bc6 bc6 17.Bd4 Nf4 18.Ra1 Qd3 19.Kh2 Ng2 20.Kg2 Re6 21.Kh2 c5 22.Bg7 Qd6 23.Be5 Re5 24.Rg1 Kf8 25.Rg3 Rf5 26.Kg2 Qc6 27.Ra7 Bf3 28.Rf3 Rd2 29.Qd2 0–1. Rosner – Leisebein, 1999.

9.Nf3 Re8 10.Bb5! Bd7 11.Qb3 Nb6 12.0–0 a6 +–. Diener – Weder, corr.

9.Nf3 Bg4 10.Be2 Nb6 11.0–0 Bf3 12.Bf3+= Nc4 13.Bc6 Nb2+= 14.Qc2 bc6 15.Qb2 c5 16.Rd1 Qd3 17.Ra2 Rfd8 18.Qc2 c4 19.Qd3 cd3=+ 20.Rc1 Rab8–/+ 21.a4 Rb3 22.Na3 Bd2! 23.Rd1 Bb4 24.Nb5 a6 25.Nc7 Bd6 26.Nd5 Bh2! 27.Kh2 Rd5 28.g4 h5 29.gh5–/+ Rh5 30.Kg3 Rd5 31.e4 Rd4 32.Kf4 Rc4 33.f3 Rc2 34.Rd3 Ra2 35.Rb3 Ra4 36.Rb8 Kh7 37.Rb7 (37.Kf5 a5=+) ½–½. Suess,Stefan – Schramm,Andre, corr, 1985.

9.Nf3 Bg4 10.Be2 Re8 11.0–0 a6 12.d4 Qd6 13.Nbd2 Qe7 14.Nc4 Bc3 15.Qb3 Bb2 16.Qb2 b5 17.Ncd2 Na5 18.Rac1 Rad8 19.Bd3 f6 20.Rfe1 Kh8 21.Nh4 Qd7 22.Qc2 g6 23.Be4 c6 24.Nhf3 Qe7 25.a4 Nb4 26.Qc3 Nc4 27.Nc4 Na2 28.Qc2 Nc1 29.Ncd2 Bf3 30.Bf3 Na2 31.Qa2 Rd4 32.ab5 cb5 33.Ra1 Ra4 34.Qb2? (34.Qb1!) 34...Qe5 35.Qe5 Re5 36.Rc1 Ra2 37.Ne4 f5 38.Ng5 Rc5 39.Rd1 Rc8 40.g4 h6 41.Nf7 Kg7 42.Nd6 Rf8 43.Bd5 Ra3 44.gf5 gf5 45.Kg2 Kf6 46.Rd4 Ra4 47.Rd3 ½–½. Myrberg – Rosner, corr 3GMM½–05 1997–98 (Myrberg).

8.Nf3 Ba5

9.a3 Be6 10.Be2 Nb6 11.0–0 Nc4 12.Bc3 Qd5 13.d3 Nb6 14.Qd2 Rfd8 15.Ba5 Na5 16.Nc3 Nb3 17.Nd5+/– Nd2 18.Nf6 gf6+= 19.Nd2 Nd5 20.Rfc1 b6 21.d4+/– c5 22.dc5 Ne3 23.Ne4 Nd5 24.c6 f5 25.Nc3 Rac8 26.Nb5 a6 27.Nd4 Nf4 28.Ba6 Rd4 29.Bc8 Ne2=+ 30.Kf1 Nc1 31.Rc1 Bc8 32.c7 Rd6 33.Rc4 Kf8–/+ (33...Kf8 34.Ke2 Ke7–+) 0–1. Haider – Grassl, 1983.

9.Be2 Ndb4 10.0–0 Bf5 11.Nc3 Bc2 12.Qc1 Bd3 13.Ne1 Ne5 14.Nd3= Ned3 15.Qb1 Nb2 16.Qb2 Rb8 17.d4+= Nd5 18.Nd5 Qd5 19.Rac1 Bb6 20.Rfd1 Rfe8 21.Bc4 Qh5 22.d5 Re4 23.Be2 Qh6 24.Rc4 Rbe8 25.Rdc1?? Rh4?? 26.Rh4+= Qh4 27.Rc4 Re4?? 28.g3+– Qe7 29.d6! cd6 30.Rc8 Bd8 31.Qb7!! Kf8 32.Qb8 g6 33.Rd8 Kg7 34.Qd6 (34.Qd6 Qd6 35.Rd6+–) 1–0. Kleinke,Uwe – Patzak, corr DDR, 1979.

9.Be2 Ndb4 10.0–0 Bf5 11.Nc3 Nd3 12.Qb3 Bb6 (12...Rb8 13.Nb5 Nb2 14.Qb2=+) 13.Nd5 Nb2 14.Nb6 ab6 15.Qb2 Qd6 16.a3 Ra5 17.Rfd1 (17.Rfc1 Rfa8=) 17...Rfa8=+ 18.Nh4 (18.d4 Ra3 19.Bc4 R8a5=+) 18...Bd3 19.Bf3 (Better is 19.Bd3 Qd3 20.Nf3=+) 19...Rb5 20.Qc3 (20.Qa2 Ra4 21.g3 Rba5–+) 20...Ra4 21.Bc6 (21.e4 Rc4 22.a4 Rc3 23.ab5–+) 21...Rh4 (21...Qc6 22.Qd3 Rd5 23.Qc3+=; 21...bc6?! 22.Nf3 Rc4 23.Nd4 Rc3 24.Nb5 cb5 25.dc3–+) 22.g3 (22.f4 bc6 (22...Qc6?! 23.Qd3 Rd5 24.Qb3=) 23.Rdc1 c5–+) 22...bc6 23.Rac1 Rbh5 24.Qc6 (24.Re1 Rh2 25.e4 Qd7 26.Qc6 Rh1 27.Kg2 Qc6 28.Rc6 R5h2 29.Kf3 Re1–+) 24...Qc6 25.Rc6 Rh2 26.f3 (26.g4 Rh1 27.Kg2 Be4 28.f3 R5h2 29.Kg3 Bc6 30.Rh1 Rh1 31.d4–+) 26...Rh1 27.Kf2 R5h2# 0–1. Coope,Derek (1795) – Hofer,Rudolf (2370), EM/CL/Q07–4 ICCF Email, 2002.

9.Be2 Ndb4 10.0–0 Bf5 11.Ne1 Nd3 12.Nd3 Bd3 13.Bd3 Qd3 14.Qb3 Nb4 15.Rc1 Qb3 16.ab3 Bb6 17.d4 Nd3 18.Rc2 Nb2 19.Rb2+= c6 20.Nc3 a6 21.Na4 Ba7 22.Rc2 f5 23.Rd1 Rad8= 24.Nc5 Bc5 25.Rc5 Rf6 26.g3 Kf7 27.h4 ½–½. Madonia,Leonardo – Benassi,Aspasio, CIS, 2000.

9.Be2 Bb6 10.0–0 Bg4 11.d4 f5 12.h3 Bh5 13.Bc4 Kh8 14.Nc3 Nc3 15.Bc3 Ne7 16.Be2 f4 17.e4 c6 18.a4 h6 19.a5 Bc7 20.Qb3 Rb8 21.Rfd1 White prepares d5 21...Kh7 (21...Bg6!? 22.d5 cd5 23.ed5 Bf7+/–) 22.d5 1–0. cristero (2490) – lazarjr (2370), net–chess.com, 2013.

8.Nf3 a6

9.a3 Ba5 10.Qc2 (10.Be2 Qe7+=) 10...h6 (10...g6 11.Bd3+=) 11.Bd3 Re8 (11...Bg4 12.h3 Bf3 13.gf3+=) 12.0–0 Bg4 13.Be4 Qd7 (13...Qd6 14.h3 Bf3 15.Bf3=) 14.Nd4 (14.h3!? Bh5 15.Nh4+=) 14...Nd4+= 15.Bd4 c5 16.Bd5 (better is 16.Bb2!?+=) 16...cd4–/+ (16...Qd5?! 17.Qc5 Qc5 18.Bc5=) 17.Qc5 Bd8 18.e4 (18.Qd4?? Bf6 19.Bf7 Qf7 (19...Kf7?! 20.Qd7 Bd7 21.Nc3–+) 20.Qg4 Ba1–+) 18...Rc8 19.Qb4 Rc7 20.f4? (20.f3 Be6 21.Be6 Re6–+) 20...Bf6 (better is 20...Be2 21.Re1 Bh4 22.Qd4 Be1–+) 21.Qb3 Be2 22.Re1 Qb5 (22...b5!?–+) 23.Qb5–/+ Bb5 24.g3 Be7 25.Kf2 Bc5 (25...Bd3 26.e5–/+) 26.a4+= Bd3 27.Kf3 Bb4 28.a5 (28.Ra2+=) 28...Rec8 (better is 28...Rc5 29.Bb7 Rb8–/+) 29.Ra4= Bc5 30.Na3 Ba3 (30...g6 31.e5=) 31.Ra3+= Bb5 32.Rb1 Kh8 (32...Rd7 33.Rb4+/–) 33.Rb4+/– d3 34.Rab3 Re7 (34...f6 35.Ke3+/–) 35.Rb5 ab5 36.Rb5 Rcc7 37.e5 Kh7 38.Ke3 Kg8 39.Kd3 Kf8 40.Ke3 Red7 (40...f5 41.Bb3 g5 42.e6+–) 41.f5 Rc2 42.e6 (42.d4 Rc3 43.Ke4 Rc1+–) 42...fe6+/– 43.fe6 Rd6 44.h4 Ke8 45.h5 Rc7 (45...Kf8+–) 46.Kf4 Ke7? (46...Ra6+–) 47.Ke5 Ra6 48.d4 Ra7 (48...Rd6 49.Rb6 Rb6 50.ab6 Rc2 51.Bb7 Rh2+–) 49.Be4 Ra6 (49...Rc1 50.d5 Re1+–) 50.d5 Rd6 51.Rb3 Ra6 52.Rf3 Ra5 53.Bg6 Rc1 54.Rf7 Kd8 1–0. Sungorus 1?4 32_bit (2255) – Myrddin 0?85 32_bit (2200), CCRL, 2011.

9.a3 Be7 10.Nc3 Bf6 11.Qc2 Be6 12.Be2 Qd7 13.d4 b5 14.Nd5 Qd5 15.Bd3 Qb3 16.Qb3 Bb3 17.Be4 Na5 18.Ba8 Ra8 19.Nd2 Be6 20.Bc3 Nb3 21.Nb3 Bb3 22.Bb4 a5 23.Bc5 Bc4 24.Kd2 Re8 25.Rhc1 Re4 26.Rab1 h6 27.Rc4 bc4 28.Rb5 Rg4 29.g3 Rg5 30.Ra5 Be7 31.Ra8 1–0. Jeschke – Ahrens, 1993.

9.Qc2 Re8 10.a3 Bd6 11.Bc4 Nf4 12.0–0= Nh3 13.gh3+/– Bh3 14.Kh1 Bf1+= 15.Bf1 Ne5 16.Be5 Be5 17.d4 Bd6 18.Bd3 h6 19.Nbd2 c5 20.dc5+/– White is in command. 20...Rc8 21.Bh7 Kh8 22.Ne4 Bc5 23.Bf5 Rc7 24.Nc5 b6 25.Rd1 Qa8 26.Be4 Qc8 27.Qa4 Rc5 28.Bb7!+– Qe6 29.Nd4 Qe7 30.Qa6 Qh4 31.Qb6 Rh5 32.Nf3 Qf2 33.Qd4 Rf5 34.Rg1+– Rg8 35.Qe4 g6 36.Qd4 Kh7 37.Ne5 Rb8 38.Ng4 Qe2 39.Bg2 Qb2 40.Qd7 h5 41.e4 Rf4 42.Ne3 Rf2 43.a4 Qd2 44.Qd2 Rd2 45.e5 Re2 46.Nc4 Rb4 47.Bd5 Ra4 48.Rf1 Raa2 49.Kg1 Rh2 50.Nd6 Rad2 51.Rf7 Kh6 52.Nc4 Rc2 53.Ne3 Rce2 54.Rf3 Rd2 55.Be4 Rhe2 56.Kf1 Rd4 57.Bc2 Rdd2 58.Bd3 Rh2 59.Kg1 Rh4 60.Bc2 Kg5 61.e6 Rc2 62.Nc2 Re4 63.Ne3 Re6 ½–½. Karpenko,Aleksandr D – Bronnikov,Konstantin, 3 Cup Russia (e–mail), 2003.

9.Qc2 Bg4 10.Be2 Re8 11.a3 Ba5 12.0–0 Nf4 13.ef4 Re2 14.Ng5 g6 15.Qb3 Qe8 16.Nc3 (16.Qb7? Rb8 (16...Bd2 17.Nd2 Rb8 18.Qc7 Rd2 19.Bc3+/–) 17.Qa6 Rb2–+) 16...Nd4 17.Qb7 Rd2 18.Nce4 (18...Qc6 19.Qc6 Nc6 20.Nd2 Bd2 21.Ne4+–) 1–0. Seack,Ingo – Polaski,Frank, corr ICCF–Cup8/9 V187, 1990.

9.Be2 b5 10.0–0 Bd6 11.a3 Re8 12.Nc3 Nf6 13.d4= Bf5 14.d5 Ne5 15.Nd4= Bd7 16.Bd3 Nfg4 17.g3 Nd3–/+ 18.Qd3 Ne5 19.Qe2 Bh3 20.Rfc1 Qd7 21.f3 Nc4–/+ 22.Nd1 Qe7 23.g4 Ne3–/+ 24.Ne3 Qe3 25.Qe3 Re3 26.Re1 Rae8 27.Kf2 Re1–/+ 28.Re1 Re1 29.Ke1 Bh2 30.Ne2 h5 31.gh5–/+ Bd6 32.Bc1 a5 33.Nd4 Bd7 34.Ke2 b4 35.ab4 Bb4 36.Bd2 Kh7 37.Bb4=+ ab4 38.Kd3 Kh6 39.Kc4 Kh5 40.Kb4 Kg5 41.Kc5 Kf4 42.d6 cd6–+ 43.Kd6 Bc8 44.Ke7 f5 45.Kd8 Ke3 (45...Ke3 46.f4 Kd4–+) 0–1. Eimers – Kraemer, corr SOK–87–05, 1987.

9.Be2 b5 10.0–0 Bd6 11.Nc3 Nf6 12.d4 Ne7 13.Qc2 Bb7 14.e4 Bf4 15.g3 b4=+ 16.Bd3 bc3–/+ 17.Bc3 Bh6 18.Rab1 Rb8 19.Rb7? Rb7–+ 20.Ba6 Rb6 21.Bc4 Nc8 22.a4 Rc6 23.Ne5–/+ Rc4 24.Nc4 Nd6 25.Nd6 cd6 26.Re1 Qc7 27.Qd3 Rc8 28.Rb1 Ne4! 29.Qe4 Qc3 30.Rb6 Qc7 31.Rb7 Qc1 32.Kg2 Qc4 33.Ra7 g6 34.Qb7 Qe6 (34...Qe6 35.Ra8 Ra8 36.Qa8 Kg7–+; 34...Kg7!? 35.h4–+) 0–1. Raemisch – Kauert, corr DDR, 1978.

9.Be2 Be6 10.0–0 Qd7 11.Nc3 Rad8 12.Qc2 Nf6 (12...Bd6 13.Nd5 Bd5 14.e4=) 13.a3 Bd6 14.d4 Bg4 15.Rfd1 Qf5 (15...Qe7 16.e4 Bf3 17.Bf3+/– (< 17.gf3 Bf4=+)) 16.Qf5+= Bf5 17.Nh4 Be6 18.d5 Nd5 19.Nd5 Bd5 20.Rd5 Bh2 21.Kh2 Rd5 22.Nf3 Rc5 (22...Rfd8 23.Rb1+=) ½–½. marekt – Klaus Behrmann, ChessWorld.net TNo. #12353, 2004.

9.Be2 Re8 10.0–0 Bg4 (--> 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 Bg4 10.0–0 a6).

9.Be2 Bf5 10.0–0=+ Ba5 11.a3 (11.d3 Re8=) 11...Qd6 (11...Re8 12.d3=+) 12.d3 (12.Qb3 b5=) 12...Bg4 (12...Rfe8 13.Qb3 Nf4 14.ef4 Re2 15.Be5 Ne5 16.Ne5–/+) 13.Nbd2 (better is 13.Qb3=) 13...Nc3+/– 14.Bc3 Bc3 15.Ne4 Qe7 (15...Bf3 16.Nd6 (16.Bf3 Qe5 17.Nc3 Qc3+=; < 16.Nc3 Be2 17.Qe2 Rad8=+) 16...Be2 17.Qe2 Ba1 18.Nb7+– (18.Ra1?! cd6 19.Qf3 Rac8+–)) 16.Nc3 b5 (16...Rad8 17.d4+–) 17.Qc2 Nd8 (17...Qf6 18.Nd5 Qd6 19.Qc6+–) 18.Rfc1 (18.Nd5 Qe6 19.Nc7 Qc8+–) 18...c5 (18...c6 19.d4+–) 19.Nd5 Qb7 20.Qc5 Ne6 21.Ne7 (21.Qc6 Rfb8+–) 21...Kh8 22.Qb4 Rfe8 (22...Rae8 23.Nc6 Rc8 24.Qg4 Rc6 25.Ne5 Rc1 26.Rc1+–) 23.Ne5 (better is 23.Ng6 fg6 24.Qg4 Rad8+–) 23...Bh5 (23...Re7 24.Qg4 Qd5+–) 24.Bf3 Qe7 25.Qe7 Re7 26.Ba8 (26…Rc7 27.d4+–) 1–0. Borrmann,Fritz – Maes, corr 3GMM–52, 1996.

9.Be2 Bf5 10.0–0 Qe7 11.a3 (11.Nc3 Nc3 12.Bc3 Rfd8+=) 11...Bd6 12.Re1 Bg6 (12...Rfe8 13.d3+=) 13.Qb3= Rfd8 14.Nc3 (14.Qb7? Na5 15.Qd5 Bh2 16.Nh2 Rd5–+) 14...Nb6 15.d4 Na5 (15...Qf6 16.Rac1=) 16.Qa2 Bc2 17.Nd2 c5 (17...Qf6 18.Rac1 Qg6 19.Bf3=) 18.Rac1 Bg6 19.d5 Nd7 20.a4 f5 (20...Rac8 21.Red1=) 21.Bf1 (21.Qb1 Rac8=) 21...Nf6 22.g3 b6 23.Bg2 Ng4 24.Nf3 h6 (24...Rac8 25.h3 Nf6 26.Nh4=) 25.Ne2 b5 (25...Bf7!?=) 26.Nf4+/– Bf7 27.Ne6 (27.h3 Ne5 28.Be5 Be5 29.Ne5 Qe5 30.Rc5 Nb7+/–) 27...Be6+= 28.de6 Nc4 29.Nh4 Rab8 30.ab5 ab5 (30...Nb2? 31.Nf5 Qf6 32.e7 Kh7 33.ed8R Rd8 34.ba6+–) 31.Red1 (31.Nf5 Qf8 32.Rc4 bc4+–) 31...Be5 (31...Nb2 32.Qb2 Qg5 33.f4+/–) 32.Be5+= Nge5 (32...Nce5?? 33.Rd8 Rd8 34.Nf5+–) 33.Bd5 Rd5 (33...Re8!?+=) 34.Rd5+/– Qe6 35.Rcd1 (35.Qa7 Rc8 36.Rcd1 Nb2+–) 35...Kh7? (better is 35...g5!? 36.Ng2 Qe8+=) 36.Qa7 (36.Rc5 Rb7+–) 36...Re8 (36...Rb6 37.Rc5 Rd6 38.Qa1+–) 37.Qc5+– Rb8 (37...g5 38.Ng2 Nb2 39.Re5 Qe5 40.Rd5+/–) 38.f4 (38.Rb1!? Rc8 39.Qb5 Na3 40.Re5 Qa2+–) 38...Ng4+/– 39.Nf5 Nce3 40.Ne3 Qe3 41.Qe3 Ne3 42.Rd8 Rb6 43.R1d6 Rb7 (43...Rd6 44.Rd6 Nc4 45.Rd5+–) 44.R8d7 Rb8 45.Re6 Nc4 46.Ree7 Rg8 47.f5 Nb6 48.Rb7 Nd5 49.Rf7 1–0. Dionisi,Thomas (2180) – Vallobra,Pierre (2110), Paris France, ChampionshipOpen–A, 2010.

9.Be2 Bf5 10.0–0 Re8 (--> 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 Bf5 10.0–0 a6).

8.Nf3 Qd6

9.Qc2 Bg4 10.a3 Ba5 11.Nc3 Nc3 12.Bc3 Rfd8 (12...Bc3 13.Qc3 Bf3 14.gf3=) 13.Ba5 Na5 14.Be2 Bh5 (14...c5 15.Rd1 Bh5 16.Qf5=) 15.d4 Qc6 (15...Rac8 16.Ng5 Bg6 17.Qc3=) 16.Qc6+= bc6 (16...Nc6 17.Rc1+=) 17.Nd2+/– Be2 18.Ke2 g6 (18...c5 19.dc5 Rd5 20.Rac1+/–) 19.Rac1 Rd6 20.Nc4 Nc4 21.Rc4 a5 22.Rb1 Ra7 23.Rbc1 Ra6 24.Kd3 Kf8 25.e4 a4 (25...Rb6 26.f4+–) 26.e5 Re6 27.Rb1 Re8 28.Rb7 Rc8 29.f4 h5 30.h3 Ke7 31.Ke4 Kd7 32.Rbb4 Rca8 33.g4 hg4 34.hg4 1–0. Fischer,D – Axmann, corr BdF, 1985.

9.Qc2 Bg4 10.Be2 Rfe8 11.Ng5 Qh6 12.Bg4 Ne3 (12...Qg5!? 13.Qf5 Qf5 14.Bf5 Rad8=) 13.fe3+= Qg5 14.Bf3 Re3 15.Kd1 Rd8 16.Bc6 (16.a3 Ba5 17.Ra2 Re6+=) 16...Red3 17.Be4 (17.Bb7 Bd2 18.Qc4 Be1 19.Kc2–+) 17...Rd2 18.Nd2 Rd2 19.Kc1 Rc2 20.Kc2 Qf4 (20...Qf4 21.Bd5 c6–/+) 0–1. Stapinski,Ryszard (1990) – Carpenito,Mauro, WC15/WS31 ICCF, 2006.

9.Nc3 Rd8 10.Be2 Nc3 11.Bc3 Bc3 12.dc3 Qg6 13.Qb3 Qg2 14.Rg1 Qh3 15.Ng5 Qd7 16.Rd1 Qe8 17.Rd8 Nd8 (17...Qd8?? 18.Qf7 (18.Nf7?! Qf8+/–) 18...Kh8 19.Qh5+–) 18.Bc4 h6 19.Nf3 Qe7 20.Nd4 c5 21.Ne2 Nc6 22.Nf4 Na5 23.Qb5 Nc4 24.Qc4 Bf5 25.Qb3 (25.Nh5 g6–/+) 25...Qe5 26.Nh5 Be6 27.Qb7 Rb8 28.Rg7 Kf8 29.Qf3 (29.Qe4 Qe4 30.Rg8 Ke7 31.Rb8 Qh1 32.Kd2 Qh2 33.Rb7 Kd6 34.e4 Qf2 35.Kd1 Ba2 36.e5 Ke5 37.Re7 Kd5 38.Re2 Bb3 39.Kd2–+) 29...Rb1 30.Ke2 Bc4 (30...Qc3?! 31.Qa8 Ke7 32.Qa7 Kd6 33.Qa6 Ke7 34.Qa7 Kd6 35.Qa6 Ke7 36.Qa7=) 31.Kd2 Qd6 32.Kc2 Qd3 0–1. Coope,Derek William (1795) – Tucan,Antu, ICCF EM/CL/Q07–4 ICCF Email, 2002.

9.Be2 Be6 10.Nd4 –/+.

9.a3 Ba5

10.Qb3 Bg4 11.Be2 (11.Qb7?? Rab8 12.Qa6 Bf3–+) 11...Rae8 12.Qc4 (12.Qb7?? Rb8 13.Qa6 Rb2–+) 12...Bf3 (12...Be6 13.Qh4+=) 13.Bf3= Nf4 14.0–0 Nd3 15.Qb5 Bb6 16.Bc3 Re6 17.a4 a6 18.Qf5 Ne7 19.Qg4 Rg6 20.Qc4 c6 (20...Rh6 21.g3 Qd7 22.Bg4= (22.Bb7?? Qh3 23.Qh4 Rh4 24.gh4 c6–+)) 21.Be4= Rh6 22.f4 Nc5 23.Bc2 Nd5 24.a5 Bc7 25.Bb2 Qe7 26.Nc3 Rd8 27.Nd5 Rd5 28.Bc3 Ne6 29.h3 Qd8 30.Be4 Rb5 31.Qd3 Qf8 32.Qd7 Bb8 33.Bc2 Bc7 34.Qd3 Nc5 35.Qc4 Qe7 36.Qe2 Ne6 37.Bd3 Rbh5 38.Bc4 Nd8 39.Qf3 Kh8 40.d3 f6 41.e4 Bd6 42.e5! Bb4 43.ef6 Qc5= 44.Qf2 Rf6 45.Bf6 Qf2 46.Kf2+– gf6 47.Rfe1! (47.Rfe1 Kg7 48.Re8 Ra5 49.Rb1 Bc5 50.d4 Bd4 51.Ke2+–) 1–0. Korchut,Adam (2090) – Pott,Brian (1870), IECG, 2006.

10.Qc2 Re8 11.Bd3 h6 12.0–0 Bg4 13.Bh7 Kh8 14.Nh4 Nce7 15.Be4 Rad8 16.Nf3 Ng6 17.h3 Bf3 18.Bf3 Nh4 19.Bh5 Nf6 (19...Qe7!?=) 20.Bf7+= Re7 21.Bb3 (21.Qa4 Qb6 (21...Bd2? 22.Qh4 Be3 23.fe3 Rf7 24.Qc4+–) 22.Qh4 Qb2+=) 21...c5 (21...Ne4 22.Bc4–/+) 22.Ba4 (22.d4 Bc7 23.f4 cd4 24.Bd4+= (worse is 24.ed4 Nh5 25.Qc5 Qc5 26.dc5 Nf4–+)) 22...Ne4+= 23.Qd1 Qb6 (worse is 23...Bd2 24.Qh5 (worse is 24.Nd2 Qg6 25.Qg4 Qg4 26.hg4 Rd2+=) 24...b5 25.Bc2 Be3 26.fe3+/– (26.Qh4?? Nf2 27.Rf2 Rf8–+); 23...Nd2?! 24.Nd2 Qg6 25.Qg4 Qg4 26.hg4 Rd2 27.Bc1+=) 24.Ra2 Rd5 (24...Qe6!? 25.Ra1 A) 25...Bd2?! 26.Qh5 (26.Nd2? Nd2 27.Kh1 Rd5–+) 26...Nf5 27.Rd1=; B) 25...Nd2 26.Nd2 Rd2–+ (26...Bd2?! 27.Qh5 Ng2 28.Bc2=)) 25.Bc2 (25.Qg4!? Ng2 A) 26.Kg2? Rg5–+; B) 26.Qg2? Rg5 27.Qg5 Ng5–+ (27...hg5?! 28.Bc3–+); C) 26.f4 Nd2 27.Qg2 Nf1 28.Kf1–/+) 25...Rg5 26.g4 Qe6 27.Ra1 Rf7 28.f4 Nd2 29.Nd2 Qe3 30.Kh2 Bd2 31.a4 Rd5 32.Ra3 Qe8 33.Kh1 Rf4 34.Raf3 Rf3 35.Rf3 Bf4! 36.Bd3 Qc6 37.Kg1 Qd6 38.Kf2 Nf3 39.Qf3 Rd3 40.Qb7 Bg3 (40...Bg3 41.Kg2 Rd2 42.Kg1 Bh2 43.Kh1 Rd1 44.Kg2 Qg3) 0–1. Daatselaar,Jan Bart van (2200) – Borisovs,Leonids (2255), H J Mostert Memorial Webserver Open, 2006.

10.Qc2 Re8 11.Be2 Bg4 12.Ng5 Qh6 13.Bg4 Ne3 14.fe3 Qg5 15.h3 Qe3 16.Kd1 Rad8 17.Kc1 Qf4 18.Ra2 (18.Qf5 Qc4 19.Qc2 Qd5+=) 18...Rd6 19.Bf3 a6 20.Rd1 h6 21.Ba1 Ree6 22.Rf1 Nd4 23.Bd4 Rd4 24.g3 Qg5 (24...Qg3 25.Bb7 Qh3 26.Rd1+=) 25.Rb2+= b5 26.Rb3 Re5 27.h4 Qd8 28.Bd1 c5 29.Rbf3 Re7 30.Rf4 Rd3 31.Bh5 f6 32.g4 Rh3 33.Re4 Bc7 34.Re7 Qe7 35.Qf5 Rh4 36.Nc3 Qd8 37.Qc5+= Rh2 38.Qd5 Qd5 39.Nd5+/– Ba5 40.Rd1 Re2 41.d4+– Kf8 42.Rd3 Rg2 43.Nf4 Rg1 44.Kc2 Re1 45.Bg6 Ke7 46.Nh5 Rg1 47.Re3 Kd8 48.Re4 1–0. Morley,Paul (2270) – Mostowik,Daniel (2210), WS/M/178 ICCF, 2008.

10.Qc2 Bg4 11.Bd3 Qh6 12.Be4 Rad8 13.Nc3 Nde7 14.h3 Bh5 15.Nh4 Ne5 16.0–0 (16.Bb7? Nd3 17.Kf1 Qf6–+) 16...c6 17.d4 Nc4 18.Bf3 Qg5 19.Bh5 Qh5 20.Nf3 Nd5 21.Qb3 b5 22.a4 a6 23.ab5 ab5 24.Nd5 Qd5 25.Bc3 ½–½. Rook,Detlef (2280) – Roques,Pascal (2210), CP–2009–Q–00006, 2011.

10.Qc2 Bg4 11.Be2 Rae8 12.Ng5 Qh6 13.Bg4 Ne3 14.fe3+/– Qg5 15.h3 (15.h3 Re3 16.Kd1+=) 1–0. Wantoch_Rekowski,Jacek (2245) – Abdelmoumen,Ahmed (2220), 3rd Webchess Open Tournament prel., 2008.

10.Qc2 Bg4 11.Be2 Rae8 12.Ng5 Qh6 13.Bg4 Qg5 14.Bf3 Re6 15.0–0 Rd8 16.Nc3 Bc3 17.dc3 Nb6 18.c4 Na5 19.c5+= Nd7 20.Rad1 Nc6 21.Be4 Rh6 22.Qc3+/– Rf6 23.f4 Qg4 24.Qc2+– Rh6 25.Bf5 Qh4 26.Rd7 Rd7 27.Bd7 Qh2 28.Kf2 Qh4 29.Kf3 Rg6 30.Bf5 Rg3 31.Kf2 Kf8 32.Qe4 Rh3 33.Ke2 Rh2 34.Bd7 Qh5 35.Kd2 f6 36.Bc6 bc6 37.Qc6 Qf5 38.Bc3 Qc8 39.Rb1 Ke7 40.Qe4 Qe6 41.Kd3 Qe4 42.Ke4 Kd7 43.Kf3 Kc8 44.e4 Rh5 45.f5 Kd7 46.Rb7 g6 47.Ra7 gf5 48.e5 fe5 49.Be5 Rh4 50.Bc7 Rc4 51.Bd6 Ke6 52.Rh7 Rc3 53.Kf4 Rc4 54.Ke3 Ra4 55.Re7 Kd5 56.Re5 Kc6 57.Rf5 Ra3 58.Kf4 Ra4 59.Kg5 Ra1 60.g4 Rg1 61.Kh5 1–0. Daatselaar,Jan Bart van (2230) – Walker,John T (1965), ICCF WSTT/3/06/4, 2006.

10.Qc2 Bg4 11.Be2 Rfe8 12.Ng5 (12.0–0 A) 12...Qg6 A1) 13.Bd3 Qh5 (13...Qh6 14.Be4 Rad8 15.Nc3 Bc3 16.Bc3 Nc3 17.dc3 Bh5) 14.Be4 Rad8 15.h3 Be6 16.d4 Nf6 17.Bc6 bc6; A2) 13.Qg6 hg6 14.Nc3 Bc3 15.Bc3 Rad8 16.Rfb1 Nc3 17.dc3 b6; B) 12...Ne5 13.Be5 Re5 14.Ne5 Be2 15.Nc4 Qf6 16.Na5 Bf1 17.Nc3 Ba6; C) 12...Nf4 13.Bc4 Nh3 (13...Ne6 14.Nh4 Ng5 15.f3 Bd7 16.Nc3 Nd4 17.Qd3 b5) 14.Kh1 Rad8 15.Qb3 Re7 16.Nh4 Ng5 17.Nc3 Be6) 12...Qh6 13.Bg4 Ne3 (13...Qg5 14.Bf3 Ne3 15.fe3 Qe3 16.Kd1 Rad8 17.Kc1 Qf4) 14.fe3 Qg5 15.Bf3 Re3 (15...Qe3 16.Kd1 Rad8 17.Kc1+= Qf4) 16.Kd1 (better is 16.Kf2!? Rf3 17.Kf3 (17.gf3 Bb6 18.Kf1 Re8–+) 17...Qh5 18.Kg3 Qg5 19.Kh3 Qh5 20.Kg3 Qg5 21.Kh3 Qh5 22.Kg3=) 16...Rd8–/+ 17.Kc1 (17.Re1 Re1) 17...Re6 18.Ra2 a6 19.h4 Qf4 20.h5 (20.Qb3 Ne5 21.Be5 Re5+=) 20...Nd4 (20...h6!?–/+) 21.Bd4+= Rd4 22.Qb3 Rb6 23.Re1 Kf8 (23...Rb3?? 24.Re8) 24.Qe3? (better is 24.Qd1+=) 24...Rc4–+ 25.Rc2 Rc2 26.Kc2 Qa4 27.Kc1 Qc4 28.Nc3 Re6 29.Bb7? Bc3 30.Qc3 Re1 31.Kb2 Qb5 32.Qb4 Qb4 33.ab4 Re5 34.Bf3 c5 35.Kc3 cb4 36.Kb4 Rf5 37.d4 Rf3! 38.gf3 Ke7 39.Kc5 h6 40.Kc6 Kd8 0–1. Baeckstroem,Mikael (2225) – Vegjeleki,Adolf (2195), corr ICCF WSTT/3/06/Final, 2009.

10.Be2 Qg6 11.0–0 Bh3 12.Ne1 Be6 13.d4 (13.Bd3 Bf5 14.Bf5 Qf5+=) 13...Nce7 (13...Rfd8!?–/+) 14.Nd2= c6 (14...Nc3 15.Bc3 Bc3 16.Rb1=) 15.Bd3 Qh6 16.Ne4 Bc7 17.Nf3 ½–½. bishop_ben (2145) – chuckhar (2315), gameknot.com, 2014.

10.Be2 Qg6 11.Nh4 Qe4 12.Nf3 Qg6 13.Nh4 Qe4 14.Nf3 Qg6 (14...Re8 15.Nc3 Nc3 16.Bc3+=) 15.Nh4 Qe4 (15...Qh6 16.Nf3+=) 16.Nf3 Qg6 (16...Re8 17.Nc3 Nc3 18.Bc3=) 17.Nh4 Qe4 (17...Qh6 18.Nf3+=) 18.Nf3 Qg6 (18...Re8 19.Nc3 Nc3 20.Bc3=) 19.Nh4 Qe4 (19...Qh6 20.Nf3+=) 20.Nf3= ½–½. Belov,Pavel Ilich (2140) – Pereboev,Konstantin G, RUS/TC6/Final RUS, 2012.

9.Be2 Qg6

10.Nd4 Nd4–/+ 11.Bd4 Qg2 12.Bf3 Qg5 13.Qb3 Rd8 14.h4 Qf5 15.Rg1?? Qf3–+ 16.Rg7 Kf8 17.Rg3 Qh1 18.Ke2 0–1. Deneuville,Christian – Schulz,G, corr ICCF Cup X, 1994.

10.0–0 Bh3

11.Ne1 Rad8 12.Qc2 Be6 –/+.

11.Ne1 Rad8 12.Bd3 Bf5 13.Bf5 Qf5 14.Nf3 Rd6 15.a3 Ba5 16.Qb3 Rfd8 17.Rc1 Rh6 18.h3 Qe6 19.Nc3 Bc3 20.Bc3 Rg6 21.Qb1 Qe7 22.Qf5 h6 23.d3 Qe8 24.Rab1 b6 25.Bb2 Nde7 26.Qe4 Qd7 27.Rd1 Rd6 28.d4 f5 29.Qc2 Qe6 30.Rbc1 Qe4 31.Qc4 Kh7 32.Qd3 a5 33.Kh2 Qd5 34.Qe2 Qe4 35.Rc4 Nd5 36.Rdc1 Nce7 37.Ne5 Re6 38.g3 Ng6 39.R4c2 Rdd6 40.Nc4+/– f4 41.Nd6 cd6 42.Rd2 fg3 43.fg3 Ne3 44.Qd3 Qf3 45.d5 Re4 46.Rc7 h5 47.Rg7 Kh6 48.Bd4 ½–½. pierre – szeol, internet, 2009.

11.Ne1 Rad8 12.Kh1 Bf5 13.d4 Be1 14.Re1=+ Ncb4 15.Na3 Be4 16.Rg1 Qg5 17.Bf3 Ne3?? 18.Qe1?? Nbc2?? 19.Nc2+= Nc2 20.Qc1?? Qc1 21.Rac1 Bg6 22.Bd1 Nb4 23.Rc7 Nd3 24.Rc2 Rfe8 25.h3 Rd6 26.Ba1 h5 27.Rc7 Rde6 28.Ba4 R8e7 29.Re7 Re7 30.d5 a6 31.d6 Re6 32.Kh2 Rd6–+ 33.Rd1 b5 34.Bc2 f6 35.Bd3 Bd3 36.Bc3 Kf7 37.Bb4 Rd5 38.a3 Ke6 39.Re1 Re5 40.Re5 Ke5–/+ 41.Kg3 g6 42.Kf3 Kd5 43.Be7 Ke6 44.Bb4 Kd5 45.g4 Kc4 46.Ke3 Bf1 47.gh5=+ gh5 48.h4 Kb3 49.Kd2 Bg2 50.f4 Be4 51.Ke3=+ Bf5 52.Kd4 Ka4 53.Kc3 a5 ½–½. Golyak,Isay G (2335) – Lesiege,Alexandre (2460), North Bay op, 1995.

11.Ne1 Bf5 12.Nc3 Nc3 13.Bc3 Bc3 14.dc3 Rad8 15.Qa4 Be4 16.Bf3= Rfe8 17.Rd1 (17.Rd1 Rd1 18.Qd1=). pierre (2055) – alishsan, internet, 2006.

11.Ne1 Be6

12.a3 Ba5 13.Bd3 f5 14.Nf3 Rad8 15.Qc2 Bb6 16.Be2 a6 17.d4 Nde7 18.Nbd2 Bd5 19.Bc3 Rf6 20.Rfe1 Qh6 21.a4 Rg6 22.a5 Qh3 23.g3 Ba7 24.Qa4 Rf6 25.Rab1 Rb8 26.Rb2 f4 27.ef4 Re6 28.Rbb1 Qh5 29.Qd1 Qh3 30.Bc4 Re1 31.Qe1 Qf5 32.Qd1 Kh8 33.Qf1 Qc2 34.Rc1 Qf5 35.Ne5 Rd8 36.Ndf3 Ne5 37.Ne5 Kg8 38.Bd5 Nd5 39.Qc4 c6 40.Qb3 Qc8 41.Rb1 Qe6 42.Qc4 Qc8 43.Bb4 Re8 44.Ba3 g6 45.Qd3 Qc7 46.Ng6 (White gets the initiative) 46...Qg7 47.Ne5 Nf4 48.Qc4 Nd5 49.Re1 h5 50.Re4 Kh8 51.Rh4+– Nf6 52.Rf4 Bb8 53.Rf5 c5 54.Rg5! (54.Rg5 b5 55.ab6+– (55.Rg7?! bc4 56.Rf7 Ne4+–); < 54.Bc5 Be5 55.de5 Qg4 56.Qg4 Ng4 (56...hg4?? 57.ef6 Rd8 58.f7+–) 57.Rh5 Kg7 58.Rg5 Kf7 59.Rg4 Re5+–) 1–0. pereira – FernandoCarlos, internet, 2008.

12.Bb5 Na5 13.d4 Bf5 14.Bd3 Rfe8 15.Qc2 Bd3 16.Nd3 Bd6 =+.

12.Bb5 Nce7 13.d4 Rad8 14.Bd3 Bf5 15.Qc2 Be1 16.Bf5 Nf5 =+.

12.Bb5 Nde7 13.d4 Rfe8 14.Nc3 Rad8 15.Qc2 Bf5 16.Bd3 Bd3 =+.

12.Qc2 Nce7 13.Qg6 Ng6 14.f4 f5 15.Nd3 Rad8 16.Rc1 Be7 =.

12.Qc2 f5 13.a3 Bd6 14.Nc3 Nc3 15.Bc3 Rab8 16.f4 Bd5 =.

12.Qc2 Bf5 13.Bd3 Bd3 14.Qd3 Qh5 15.Nf3 Rfd8 16.a3 Bd6 =+.

12.Qc2 Qh6 13.Nc3 Rad8 14.Nf3 Rfe8 15.a3 Nc3 16.Bc3 Bd6 =.

12.Bd3 f5 13.a3 Bd6 14.Qc2 Rfd8 15.f4 a6 16.Rf3 Qf7 =+.

12.Bd3 Qh6 13.Bb5 Bd6 14.Nf3 Ndb4 15.a3 a6 16.Be2 Nd5 =+.

12.d4 a6 13.Bd3 f5 14.Ba3 Rae8 15.Bb4 Ndb4 16.Nc3 Nd5 =.

12.d4 Rac8 13.Bd3 Qh6 14.e4 Nf4 15.d5 Rcd8 16.Bc1 Ne5 =+.

12.d4 Bd6 13.Bd3 f5 14.Bb5 Ncb4 15.a3 a6 16.Ba4 b5 =+.

12.d4 Rad8 13.Bd3 Qh6 14.Bb5 Bd6 15.Nf3 Nce7 16.Nbd2 c6 =+.

12.d4 Rfd8 13.a3 Be7 14.Bd3 f5 15.Nc3 Rd7 16.Qf3 Rf8 =.

12.d4 Rae8 13.Bd3 f5 14.Ba3 Ba3 15.Na3 Ndb4 16.Nac2 Bd5 =.

12.d4 Rfe8 13.a3 Bd6 14.Bd3 Bf5 15.Nc3 Qh6 16.h3 Bd3 =.

12.d4 f5 13.a3 Bd6 14.Qc2 Rad8 15.Nf3 Rfe8 16.Bb5 Nde7 =.

12.d4 Bf5 13.a3 Bd6 14.Nc3 Nc3 15.Bc3 Rfe8 16.Bd3 Qh6 =.

8.Nf3 Be6

9.a3 Bd6 10.Qc2 Nb6 11.Bb5 (11.d4 Re8 12.Bd3 h6=) 11...Bd7 (11...Ne7 12.0–0= c6=) 12.Bd3 (12.0–0 Qe7=) 12...f5 13.0–0 Be6 (13...Qe7 14.Re1=) 14.Bb5 (14.Ba6 ba6 15.Qc6 Rb8=) 14...Qe8 (14...Bd5 15.d3+=) 15.d3 (15.Bc6 Qc6 16.Qc6 bc6=) 15...Bd5 16.Nbd2 a6 17.Bc4 (17.Bc6 Bc6 18.Bd4 Bd5=) 17...Nc4 18.dc4 Be6 19.Ng5 (19.Rfd1 Qg6=) 19...Qh5+= 20.f4 Rfe8 (20...Qg6 21.Rf3 Rfd8 22.Rg3+=) 21.Rf3 h6 22.g4 (22.Ne6 Re6 23.c5 Bf8=) 22...Qg4 23.Rg3 Qg3 24.hg3 hg5 25.Nf3 (25.Qc3 Bf8=) 25...gf4 26.gf4 Bc5 27.Kh1 Rad8 28.Rg1 Rd7 29.Qg2 Bf8 30.Qh3 Bf7 31.Ng5 Bg6 32.e4 Ne7 33.c5 Red8 34.Qb3 Kh8 35.Ne6 Rd3 36.Qb7 Rh3 37.Kg2 Rdd3 38.Rh1 Rdg3 39.Kf2 Rf3 40.Ke2 Bh5 41.Rh3 Rh3 42.Kf1 Kg8 43.Qb8 Ng6 44.Bg7 Bg4 45.Bf8 Rf3 46.Kg2 Nh4 47.Kg1 Rg3 48.Kf2 Rg2 49.Ke3 Re2 50.Kd4 Re4 51.Kd5 (51.Kd5 Rb4 52.ab4 Bf3 53.Kd4 Bc6 54.Qc7 Nf3 55.Ke3 Bd7 56.Qd7 Nd4 57.Qg7#) 1–0. Reinhart,Kenneth M (2470) – Ling,AJ (2060), corr ICCF WSTT/3/06/3, 2006.

9.Na3 Nb6 10.Qc2 Qe7 11.Nc4 Nc4 12.Bc4 Qc5 13.Rc1 Rad8 (13...Bc4 14.Qc4 Qa5 15.Rb1=) 14.Be2 (better is 14.Be6!? Qc2 15.Bf7 (15.Rc2?! fe6 16.Bc3 Bc3 17.Rc3 Nb4+=) 15...Kf7 16.Rc2+/–) 14...Qc2 15.Rc2 Bf5 16.Rc1 Be4 17.Bc3 (17.a3 Bf3 18.ab4 Be2 (18...Bg2? 19.Rg1+–) 19.Ke2 a6=) 17...Ba3+= 18.Ra1 Nb4 19.0–0 a6 20.Bb4 Bb4 (20...Bb4 21.d4 Rfe8+=). Farmer,Michael Vincent – Schvaneveldt,Steve, corr IECG Cat–E, 1994.

9.Bb5 Nb6 10.Bc6= bc6 11.Nd4 Qg5 12.0–0 Bd5 13.Nf3 Qh5 14.d3 c5 15.a3 Ba5 16.Nbd2 c4 17.dc4 Nc4?? 18.Nc4+– Bc4 19.Qd4 (19.Qd4 Qg6 20.Ne5+–) 1–0. Epelman,Efim Grigorevich – Aijala,Jouko, corr EU–ch12, 1974.

9.Bb5 Qd6 10.a3 Ba5 11.0–0 Nce7 (11...a6 12.Be2+=) 12.Be2 c6 (12...Qb6 13.Qc1=) 13.Nc3= Nc3 14.dc3 Qd1 15.Rfd1 f6 16.Nd4 Bf7 17.c4 Rad8 18.Rac1 Bc7 19.c5 Rfe8 ½–½. Keber,Ernst (1710) – Zill,Christoph (2495), RSS5D pro–47, 2005.

9.Bb5 Qd6 10.Qc2 =+.

9.Bb5 Bd7 10.0–0 Nce7 11.Bd7 Qd7 12.e4 Nf4 13.d4 (13.Ne5 Qe6 14.Qf3 Neg6 15.Ng6 fg6+=) 13...Qg4+= 14.g3 Nh3 15.Kg2 Ng6 16.Bc3 Bd6 17.e5 (17.Nbd2!?=) 17...Be7–/+ 18.Kh1 c6 (18...Rfd8 19.Nbd2–/+) 19.Nbd2+= Rfe8 20.Rb1 Rab8 21.Qe2 Qe6 22.Ne4 Qf5 23.Qd3 Qg4 24.Qe3 Qf5 (24...Kh8 25.Bb4=) 25.Qd3= Qg4 (25...Qd7 26.Qe3=) 26.Qe3+= Qf5 (26...Kh8 27.Bb4=) 27.Qd3= Qg4 28.Qe3+= Qf5 29.Qd3 Qg4 30.Qe3 Qf5 31.Qd3= Qg4 (31...Qd7 32.Qe3+=) ½–½. Bonetti,Shane – KNEiTER, ICC, 2002.

9.Bb5 Nce7 10.0–0 Ng6 11.Qc2 c6 12.Ba4 Bd6 13.d4 (13.d3 a6+=) 13...Nh4 14.Nbd2 f5 (14...Re8 15.Bb3+=) 15.Bb3= Kh8 16.a3 Nf3 17.Nf3 Rf6 18.Rfe1 Rh6 19.e4 (19.h3 Qf6=) 19...fe4+= 20.Qe4 (worse is 20.Re4 Bf5–/+) 20...Nc3 (20...Qb6 21.Bc1 Nc3+/–) 21.Qc2+= (worse is 21.Bc3 Bb3 22.Ne5 Bd5 23.Qd5 cd5 24.Nf7 Kg8 25.Nd8 Rd8=) 21...Bb3 (better is 21...Nd5!? 22.Bc1 Rg6+=) 22.Qb3+/– (worse is 22.Qc3 Bd5+=) 22...Nd5 23.Bc1 (23.Qb7 Rb8 24.Qa7 Rb2–/+) 23...Rf6 24.Qb7 (24.Bg5 Qb6 25.Qb6 ab6 26.Bf6 gf6+/–) 24...Rb8 (24...Qf8 25.Bg5 Rg6 26.Ne5 Be5 27.Re5+–) 25.Qa7+– Rf3 (25...Ra8 26.Qb7 Rb8 27.Qa6+–) 26.gf3 Qh4?? (26...Bc7+–) 27.Re4 Qh2–+ 28.Kf1 Qh1 29.Ke2 Nc3 30.Kd3 Ne4 31.fe4 Qd1 (31...Qd1 32.Bd2 Rb3 33.Kc4 Qc2 34.Bc3 Qc3#) 0–1. Castro Couceiro,Silvia – Alonso Vazquez,Rafael (2030), Ortigueira op 2nd, 2003.

9.Nc3 Nc3 10.Bc3 Bc3 11.dc3 Qf6 12.Qc2 Rad8 13.Bd3 Nb4 14.Bh7 Kh8 15.Qb2 c5 16.0–0?? (16.a3 Nd3 17.Bd3 Rd3 18.0–0= (18.Qb7?? Qc3 19.Kf1 Qa1 20.Ke2 Qc3–+)) 16...Kh7–+ 17.Rab1 Nd3 18.Qb7 Bd5 19.Qb5 Bf3 20.gf3 Qf3 21.Qc4 Rd6 (21...Rd6 22.Qh4 Rh6–+) 0–1. Rush,Bradley – Broniek,Mariusz Maciej (1605), OP–2011–0–01934, 2011.

9.Be2 a5 10.0–0 Re8 11.a3 Bf8 12.Nc3 Rb8 13.Qc2 Qd7 14.Rfc1 Nce7 15.Nb5 c6 16.Nbd4 Ng6 17.Rab1 f5 18.Ng5 Bf7 19.Nf7 Qf7 20.Nf5 Ne5 21.f4 g6 22.Ng3 Nd7 23.Bc4 N7b6 24.Ba2 h5 25.e4 h4 26.ed5 hg3 27.hg3 cd5 28.Qc7 Qc7 29.Rc7 1–0. lllllll21 – andusbravo, internet, 2013.

9.Be2 Nb6 10.Qc2 Be7 11.a3 Bf6 12.0–0 Na5 13.Nc3 (13.Bf6 Qf6 14.Nc3 Bc4+=) 13...c5 14.Ne4 Bb2 15.Neg5 g6 16.Ne6 Qf6 17.Rab1 Qe6 18.Rb2 Nd7 19.d4 Rac8 20.Qa4 b6 21.Bb5 Nf6 22.Ne5 cd4 23.ed4 (23.Qd4?? Rfd8 24.Qf4 Nh5 25.Qf7 Qf7 26.Nf7 Kf7–+) 23...Rfd8 24.h3 Qd6 25.Nf3 (25.Qb4!?=) 25...Rc3 26.Ra1 Rdc8 27.Qb4 Qf4 28.Re2? Nd5–+ 29.Qb2?? Rb3 30.Qd2 Qd2 31.Nd2 Rb5 32.Re5 Nc3 33.Re7 Nc6 34.Rb7 Nd4 35.Ra7 Rb2 36.Nf1 Nce2 37.Kh2 Nf4 38.Kg3 Nh5 (38...Nh5 39.Kh2 Rf2–+) 0–1. Chirpii,A (1960) – Andrenko,I (2230), Yuzhny UKR, Open, 2011.

9.Be2 Qc8 10.0–0 Be7 11.d4= Nf6 12.Nbd2 Bf5 13.a3 Ne4 14.Rc1 Bf6 15.Qa4 Ne7 16.Nc4 Ng6 17.Bd3 Rd8 18.Qc2 Nd6 19.e4 Nc4 20.Bc4 Bg4 21.Ne5 Be5 22.de5 c6 23.f4 Be6 24.Be6 fe6 25.f5 Nf8 26.g4 Qc7+= 27.Rf2 Rd7 28.Rcf1 Rf7 29.g5 Rd8 30.h4 Qb6 31.Bc1 Re8 32.Bb2 Qe3 33.Kg2+= Rd8 34.Bc3 Rfd7 35.Rf3 Qb6 36.Bb4+= Qd4? 37.Bd6?? Rd6 38.ed6+/– Rd6 39.Kh3 Qe5 40.Qc4 (40.Qc4 Rd2 41.Rf4+=; 40.f6 gf6 41.gf6 Kf7+/–) 1–0. Sviridov – Poboril, corr CSSR, 1982.

9.Be2 Bd6 10.0–0 Nf6 11.Nc3 a6 12.Qb1 Ne7 13.Bd3 Ng6 14.Nd4 Bd7 15.f4 c5 16.Nf5 Bf5 17.Bf5 b5 18.Ne4 Ne4 19.Be4 Ra7 20.Qc2 Qc8 21.Rf3 f5 22.Bd5 Kh8 23.a4 b4 24.Rh3 Qd7? (better is 24...Rd8!? 25.Bc4 Be7+=) 25.Qd1+– Bf4?? (better is 25...Rf7+–) 26.Qh5 h6 (26...Nh4 27.Rh4 h6 28.Qh6 Bh6 29.Rh6) 27.Qh6!! (27.ef4?! Kh7 28.Qf3 Nf4 29.Qf4 Qd5+/–) 27...Bh6 (27...Bh6 28.Rh6) 28.Rh6 1–0. pierred – mic (2260), net–chess.com, 2016.

9.Be2 Qe7 10.0–0 Rad8 11.a3 Ba5 (11...Bd6 12.Qc2+=) 12.Qc2= Bg4 13.d4 f6 (13...Rfe8 14.Nc3 Ne3 15.fe3 Qe3 16.Kh1 Bc3 17.Bc4 Bb2 18.Bf7 Kh8 19.Be8 Ba1 20.Ng5=) 14.Nbd2 Kh8 (14...Bd2 15.Qd2 f5 16.Qc2=) 15.Rac1 Rfe8 16.Bb5 Qf7 (16...Bd2 17.Nd2 (worse is 17.Qd2 Bf3 18.gf3 Qd7=) 17...Bd7 18.Bd3+/–) 17.Bc6+/– bc6 18.h3 Bd7 19.Nb3 Bb6 20.Nfd2 Qh5 21.Qd1 Qh6 22.Qf3 Rb8 23.Rfe1 Ne7 24.e4 Ng6 25.Ba1 Rf8 26.Nf1 (26.Qg3!?+/–) 26...f5+= 27.e5 Attacks the isolani on c6 27...Nh4 28.Qd3 (28.Qe2 f4 29.f3 Qg6+=) 28...f4= 29.e6 (better is 29.Nh2!? f3 30.g3= (30.Nf3? Ng2 31.Rc3 Bf5–+)) 29...Be6–/+ 30.Rc6?? (better is 30.Nfd2–/+) 30...Qg5–+ 31.Ng3 fg3 (better is 31...Qd5!? 32.Qe4 fg3 33.fg3 Qe4 34.Re4–+) 32.Qg3 Qg3 33.fg3 Bb3 34.gh4 Bd5 (34...Bd5 35.Rc2 Rbe8 36.Re8 Re8–+) 0–1. Abreu Suarez,Isauro (1995) – Lopez Pereyra,Antonio (2120), Tenerife ESP, Liga Por Equipos, 2013.

9.Be2 Be7 10.0–0 Ndb4 11.d4 Na2 12.e4 Ncb4 (better is 12...f5 13.d5 fe4 14.de6 ef3 15.Bf3 Nab4+=) 13.d5+/– Bg4 (13...Nd5!? 14.ed5 Bd5+/–) 14.Bc4 b5 (14...Re8!? 15.Ba2 Bf6 16.Bf6 Qf6+–) 15.Ba2+– Bf3 (15...c5 16.dc6! Qd1 17.Rd1+–) 16.Qf3 (16.gf3?! Bd6 17.Qd2 a5+–) 16...Nc2 (16...a5+–) 17.Qc3 Bf6 18.Qc2 b4 (18...Bb2 19.Qb2 Qd7 20.e5+–) 19.e5 Be7 20.Nd2 a5 21.Bb3 Bg5 (21...Qd7 22.Rfd1+–) 22.Ne4 Bf4 23.g3 Bg5 24.Rfd1 White prepares the advance d6 24...Kh8 (24...Be7 25.d6 cd6 26.ed6+–) 25.Ng5 Qg5 26.Qc7 Qd8 27.d6 Qc7 28.dc7 Rfc8 (28...h5+–) 29.Ra5 1–0. pierred – pvhameren (2325), net–chess.com, 2016.

9.Be2 Nce7 10.0–0 c6 11.Nd4 Bc8 12.a3 Bd6 13.Nc3 Qc7 14.g3 (14.Nd5 Nd5 15.f4 Rd8=) 14...Bh3 15.Nd5 Nd5 16.Re1 Qd7 17.d3 c5 18.Nf3 Rfe8 (18...Rac8 19.Ne5 Be5 20.Be5=) 19.Ng5= h6?? (better is 19...Be5 20.d4 cd4 21.Nh3 Qh3 22.ed4 Bg3 23.hg3 Ne3=) 20.Nh3+– Qh3 (20...Be5 21.Be5 Re5+–) 21.Bg4 (21.Bg4 Nf4 22.Bh3 Nh3 23.Kg2+–) 1–0. Bonetti,Shane – guest913, ICC, 2002.

9.Be2 Re8. Dopper.

9.Be2 f6 10.0–0 Qe8 11.Qc2 Rd8 (11...Bd6 12.a3 Rd8 13.Bb5 Bg4 14.Bc6 bc6 15.Nd4 c5 16.Nb3 Rb8+=; 11...a6 12.Nc3 Rd8 13.Bd3 h6 14.Bh7 Kh8 15.Bg6 Qe7 16.Nd5 Rd5=) 12.Rc1 (12.Bb5 Nde7 13.d4 a6 14.Bd3 Qh5 15.Ba3 Rfe8 16.Qb2 Nd5=) 12...Bd6 13.Nc3 (13.a3 Qe7 14.d4 f5 15.Bb5 Na5 16.Bd3 c6=) 13...Qf7 (13...Ncb4 14.Qb1 Qd7 15.Ne4 Rfe8 16.Nd6 Qd6=) 14.Qb1 (14.a3 Nc3 15.Bc3 a6 16.Rcb1 Rb8=) 14...Rfe8 (14...Qh5 15.h3 Qf7 16.Nd5 Bd5=) 15.Bd3 (15.Nb5 Bb4 16.a3 Bf8=) 15...Qh5 16.Ne4 (16.Be4 Nde7+=) 16...Ndb4 17.Bf1 Bf5 18.d3 Be4 19.de4 Na5 ½–½. Kural,A. Serhat (2175) – Kudr,Roman (2220), Czech Republic–Turkey, 2010.

9.Be2 f5

10.0–0 a6 11.Nc3+=.

10.0–0 Bd6 11.Na3 a6 (11...Be7 12.Nc2=) 12.Nc4= Be7 13.d4 1–0. pierred – proloy (2250), net–chess.com, 2016.

10.0–0 Qe7. Dopper.

10.0–0 Be7 11.d3 Bf6 (11...Qd7 12.Nc3+=) 12.Bf6= Qf6 13.Nbd2 (13.d4!?=) 13...Nc3–/+ 14.Qe1 Nb4 15.Nd4 c5 (15...Ba2 16.Nc4 Ne2 17.Qe2–/+) 16.a3 cd4 (worse is 16...Ne2 17.Qe2 Nd5 18.Ne6 Qe6 19.Qf3=) 17.ab4 de3 18.fe3 Nd5 19.Bf3 Nb4 20.Qb1 (20.Bb7!? Rab8 21.Ra7+=) 20...Qc3 21.Rd1 Nc2 22.Qc1 (22.Qb7 Na1 23.Qa6 Rae8 24.Qa1 Qd3 25.Qa7 Qc2–+) 22...Qa1 23.Qc2 Qe5 24.Nc4 Qc5 (24...Bc4 25.Qc4 Kh8 26.Qf4 Qf4 27.ef4–+) 25.Qe2 (25.Bb7 Rae8–+) 25...Rae8 (25...Rab8 26.Nb2–+) 26.Nb2 (26.Nd2 f4 27.d4 Qc3–+) 26...Bd5 (26...Bb3 27.Re1 f4 28.Be4–+) 27.d4 Bf3 28.gf3 (28.dc5?? Be2 29.Ra1 a6–+) 28...Qe7 (28...Qd5 29.Qc4 Qc4 30.Nc4–+) 29.Nc4 Rc8 (29...b5 30.Ne5 b4 31.Kh1–+) 30.Ne5 Rc3 (30...Kh8 31.f4–+) 31.f4 (31.e4 Qg5 32.Kh1 Rc1 33.Qa2 Kh8 34.Rc1 Qc1 35.Kg2 g5–+) 31...Rfc8 (31...a6 32.Rd3 Rc1 33.Kg2–+) 32.Qa2 Kf8 33.Qf2 (33.Qa7 Re3 34.Qb6 Re4–+) 33...Rc1 34.Rc1 Rc1 35.Kg2 g6 (35...Qc7 36.Qh4 Rc2 37.Kg3–+) 36.Qf3 (36.Qa2 b5–+) 36...Qh4 37.Qd5 (37.Qe2–+) 37...Rc2 0–1. Wilke,Hans_Peter (1610) – Wierzbicki,Jirawat (2050), Lichtenberger Sommer, 2016.

10.0–0 Qe8 11.Ng5 Kh8 12.Bh5 Qe7 13.Ne6 Qe6 14.f4 Rad8=+ 15.Rf3 Nf6 16.Rh3 Ne4 17.Qb3 Qb3–+ 18.ab3 Kg8 19.Ba3 Ba3–+ 20.Ra3 Nd2 21.Nd2 Rd2 22.Kf1 a6 23.Bf3 Rd6 24.Ra1 Re8 25.Be2 Nb4 26.Bc4 Kh8 27.Ke2 b5 28.Bf7 Re7 29.Bh5 g6 30.Bf3 Nc2 (30...Nc2 31.Rc1 Nd4 32.Ke1 Nb3–+) 0–1. Dopper,Johan – Van Nierop,Erjen, corr, 1993.

10.0–0 f4 11.Nd4 Nd4–/+ 12.Bd4 c5 13.Bb2 fe3 14.de3 Nf6 15.Qc2 Qc7 16.Nc3 Rad8 17.a3 Ba5 18.Rad1 c4 19.Nb5+= Qc5 20.Nd4+/– Bf7 21.Nb3! Qb5 22.Na5 Qa5 23.Rd8 Rd8 24.Bc4 Bc4 25.Qc4 Kh8 26.Bf6 gf6 27.Qf7 Qe5 28.Rc1 Qd6 29.g3 Qe5 30.Rc7?? Rd1= 31.Kg2 Qe4 32.Kh3 Qf5 33.Kg2 Qe4 ½–½. Schade – Richter, corr–thema, 1983.

8.Nf3 Qe7

9.Bb5 Qc5 10.Bd3 Re8 (10...Be6 11.a3 Ba5 12.Ng5 h6 13.Qh5 Rfe8=) 11.Qc2 (11.0–0 Bd7 12.a3 Ba5 13.Qc1 Qc1=) 11...Qc2 12.Bc2 Ba5 (12...Bd6 13.a3 Nb6=) 13.a3 Bg4 (13...Bd7=) 14.Ng5 h6 15.Ne4 Rad8 16.0–0 Bf5 17.d3 (17.f3 Bg6+=) 17...Be4–/+ 18.de4 Nb6 19.Bc3 Nc4 20.Ba5 (20.Rc1 b5+=) 20...N6a5–/+ 21.Nc3 c6 22.Rfd1 Rd1 23.Bd1 Rd8 24.a4 Rd2 (24...a6 25.Kf1–/+) 25.Kf1 Kf8 26.Ke1 Ke7 27.Rc1 Rb2 28.Rc2 a6 29.Rb2 Nb2 30.Bc2 b5 31.ab5 ab5 (31...cb5?! 32.Nd5 Kd6 33.Nb4=) 32.Ne2 b4 33.Nd4 g6 34.Kd2 Nbc4 35.Kc1 c5 36.Nf3 Nb6 37.Bd1 c4 38.Nd4 Kd6 39.h4 b3 40.Nb5 (better is 40.h5!?–+) 40...Kc5 41.Nc3 Kb4 42.Kd2 Na4 43.Na4 Ka4 44.Kc3 Ka3 45.f4 Ka2 46.e5 h5 47.e4 ½–½. Mathioudakis,Diana – Montalta,Benedikt, IECG, 2000.

9.Be2 Bd6 10.0–0 Ne5 (10...Be6!?+=) 11.Ne5= Be5 12.d4 (12.Be5 Qe5 13.d4 Qg5=) 12...Bd6 13.Bf3 (13.Nd2 Bf5+=) 13...c6 (13...Qh4 14.g3 Qg5 15.h4+–) 14.e4 Nf4 15.Nc3 Rd8 16.Qc2 Qg5 17.e5 (17.Rfd1 Bg4 18.Bg4 Qg4=) 17...Be7 18.Ne4 Qh6 (18...Qg6 19.Rfb1+=) 19.Rad1 (19.Nc5 b6 20.Ne4 Nd5=) 19...Qe6 (19...Qg6 20.Bc1 Nd5 21.Qb3+=) 20.Nc5 (20.Bc1 Nd5 21.Nc5 Bc5 22.Qc5 Qg6=) 20...Qg6 (20...Qh6 21.Bc1=) 21.Be4 (21.Qg6!? Ng6 22.Ba3=) 21...Bf5+= 22.f3 Be4 23.fe4 Nh3 24.Kh1 Ng5 (24...Bc5 25.dc5 Qe4 26.Rd8 Rd8 27.Qe4 Nf2 28.Kg1 Ne4 29.Ba3–+) 25.Nb7= Ne4 26.Qe2 (26.Rc1 Rdb8 27.Na5 c5=) 26...Rd5 27.Rd3 Rb5 28.Rb3= a6 29.Re1 Ng5 30.Bc3 Ne6 31.Qf3 Nc7 32.Rf1 Nd5 33.Be1 Rf8 34.Bg3 Qe6 35.Nd6 Rb3 36.Qb3 h5 37.Nf5 Re8 38.Qb7 Qc8 39.Qa7 Qa8 40.Qd7 Qc8 41.Qa7 Qa8 42.Ne7 Ne7 43.Qc5 Qb7 44.e6 f5 45.Qd6 Qb5 46.Re1 Qa5 47.Qd7 Kf8 48.Re5 Qd8 49.Rf5! Kg8 50.Re5 Rf8 51.h3 Ng6 52.Qd8 Rd8 53.Rg5 h4? 54.Bc7 Rc8 55.Bd6 Kh7 56.Kg1 Re8+/– 57.e7 Kh6 58.Rf5 Kh7 59.Rf8 (59.Rf8 Re7 60.Be7 Ne7 61.Kf2+–) 1–0. Fahrner,Kurt (2315) – Smole,Albert (2070), AUT–chT2S, 1995.

9.Be2 Ne3 10.fe3 Qe3 11.Nc3 Qc5 12.a3 Ba5 13.Qb3 Re8 14.Qd5 Qb6 15.Qb5 Bc3 16.Qb6 Bd2 17.Nd2 ab6 18.Kf2 Bf5 19.Rhe1 Rad8 20.Nf3 Bg4 21.Rad1 Ra8 22.h3 Bh5 23.Bb5 Bg6 24.Re8 Re8 25.Nd4 Be4 26.Nc6 bc6 27.Bc4 b5 28.Bb3 c5 29.Rd7 c4 30.Bd1 Bd3 31.Rc7 h6 32.Bh5 g6 33.Bg6 Re2 34.Kf1 Rb2 35.Kg1 fg6 36.Rc8 1–0. lllllll21 – foortosh39 (1630), internet, 2014.

9.Be2 Re8 (--> 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 Qe7).

9.Be2 Bf5 10.0–0 Rad8 11.a3 Ba5 12.Qb3 Rd6 13.Nc3 Nc3 14.Bc3 Bc3 15.Qc3 Rfd8 16.d4 Be4 17.Nd2 Bd5 18.Bd3 f5 (18...Qh4 19.e4+/–) 19.Bf5+= Bg2 20.Bh7 Kh7 21.Kg2 Ne5 22.Ne4 (22.de5?! Rd2 23.Rac1 R8d7=) 22...Rg6 23.Ng3 Ng4 24.h3 Nf6 25.Kh2 Nd5 26.Qc2 Rf8 27.Rg1 Qd6 28.Rab1 b6 29.Rb3 Kg8 30.f4 Qe6 31.Qa2 Rh6 32.f5 Qf7 33.Qc2 Rh4 34.Re1 Rd8 35.e4 (35.Rc1 Rd6+/–) 35...Nf4+= 36.Ne2 Ne2 37.Re2 Rd4 38.Rg3 c5 39.e5 Qd5 40.f6 Rhe4 41.Rf2 (41.fg7?? Re2 42.Qe2 Rd2–+) 41...Re1 42.Rfg2 Qe5 43.fg7 Rh4 44.Qb3 c4 45.Qf3 Rf4 46.Qc6 Qe6 47.Rg6 Qe5 48.R6g3 Qe6 49.Rg6 ½–½. Hess,Helmut (2355) – Stocker,Nathan, WS/M/087 ICCF, 2007.

9.Be2 Bf5 10.0–0 Rad8 11.d4 a6 12.Nbd2 Nc3 13.Bc3= Bc3 14.Rc1 Bb4 15.Nc4 Rb8 16.Bd3 Bg4 17.Bb1 Bd6 18.Qd3 g6 19.Nfd2 Rbd8 20.Nd6 White gets strong initiative 20...Rd6 21.Qc3 Be6 22.Ne4 Rd5 23.Nc5 Bc8 24.Nd3 Qg5 25.f4 Qe7 26.Ne5 Ne5 27.fe5+/– c6 28.a4 Be6 29.Rf6 Rfd8 30.Ba2 R5d7 31.Be6 fe6 32.Qb3 Rd5 33.Rcf1 b5 34.ab5 ab5 35.Qc2 c5 36.Rg6! Kh8 37.Rgf6 cd4 38.Rf7 Qh4?? 39.e4+– d3 40.Qc7 Rg8 41.ed5 Qe4 42.R7f2 ed5 43.e6 h6 44.e7 (44.e7 d2 45.e8Q Qe8 46.Qc3 d4 47.Qd4 Rg7 48.Rf8 Kh7 49.Re8 d1R 50.Qe4 Rg6 51.Re7 Kh8 52.Qe5 Rf6 53.Qf6 Kg8 54.Qg7#) 1–0. Hromada,Vaclav – Stepan,Pavel, corr, 1971.

9.Be2 Bf5 10.0–0 Rfd8 11.a3 Ba5 12.Qb3 Rd6 13.Nc3 (13.Qb7?? Rb8 14.Qa6 Rb2–+) 13...Be6 14.Nd5 Bd5 15.Qa4 (15.Qb7? Rb8 16.Qa6 Rb2–+) 15...Bb6 16.Rac1 Rad8 17.d3 Rg6 18.Qf4 a6 19.Rfe1 h6 20.e4 Be6 21.Nh4 Rg5 22.Nf5 Bf5 23.h4 Rg2 24.Kg2 Be6 25.Qg3 Nd4 26.f4 f6 27.Bh5 c5 28.f5 Bc7 29.Qf2 Bb3 30.Rg1 Kh8 31.Kh1 Rd7 32.Rg2 Be5 33.Rcg1 Qd8 34.Bd1 ½–½. Morley,Paul (2200) – Harris,Timothy, WS/M4 ICCF, 2007.

9.Be2 Bf5 10.a3 Ba5 11.0–0 Rad8 12.Qa4 Nb6 13.Qb3 Rfe8 14.d4 g5 15.Bb5 g4 16.Nfd2 Qh4 17.Rc1 (17.Nc3 Rd6 18.d5 a6 19.dc6 Rd2 20.cb7 Be6 (worse is 20...ab5 21.Qb5 Bd7 22.Qa5 Rb2 23.Qc5+=) 21.Be8 Qd8+= (21...Bb3? 22.b8Q Rb2 23.Ne2+–)) 17...Rd6 (17...Re6 18.Rc5 Bb1 19.g3+= (19.Nb1? Rh6 20.Nc3 Bc3 21.Bc3 Qh2 22.Kf1 Qh1 23.Ke2 Qg2–+)) 18.Bc6 bc6 19.Rc5 Be6 20.Qc2 (20.Qd3 Bd2 21.Nd2 Na4=) 20...Bd2 21.Nd2 (21.g3!? Qh3 A) 22.Nd2? Bd5 23.Rd5 Nd5–+ (23...Rd5?! 24.Qc6 Re7 25.Rc1=; 23...cd5?! 24.Qc7 Rh6 25.Nf1–+); B) 22.Rg5 Kf8 23.Nd2–/+) 21...Bd5–/+ 22.Bc3 (22.Nf1 Rf6+=) 22...Rh6 (22...Rf6 23.Nf1–/+) 23.Nf1+= Be4 24.Qd2 (24.Qd1 Nd5+=) 24...Nd5 25.Bb4 f5 (25...Rb8 26.Ra5+=) 26.Ra2+= Rf6 27.Qd1 Rb8 28.Be1 Qh6 29.Bb4 f4+= 30.ef4 Qf4 31.Rb2 Bg6 32.Rc4 Re8 33.Rc1 h5 34.g3+= Qe4 35.Bc5 h4 36.Nd2 Qe6 37.Nf1 Kg7 38.Ba7? h3–+ 39.Bc5 Qe4 40.f3 Rf3 41.a4 Nc3 42.Rc3 Rc3 43.Rf2 Bf7 44.Qd2 Rf3 45.d5 Rf2 46.Qf2 Bd5 47.Qd4 Kg6 48.Qe4 Re4 49.a5 Ra4 50.a6 Ra6 51.Bd4 Kf5 52.Nd2 Ra2 53.Bc3 Rc2 54.Ba5 c5 55.Kf2 c4 56.Ke3 c3 (56...c3 57.Bc3 Rc3 58.Kf2 c5–+) 0–1. Wantoch_Rekowski,Jacek (2320) – Oprisor,Razvan (2355), Champions League, 2007.

9.Be2 Bg4 10.0–0 Rad8 11.h3 Bh5 12.a3 Ba5 13.d4 f5 14.Nbd2 Bd2 15.Nd2 Be2 16.Qe2 Rf6 17.Qf3 Qe6 18.Rfc1 Rg6 19.Rab1 b6 20.Rc2 Na5 21.Rbc1 Qd7 22.Bc3 Nc6 23.Kh1 f4=+ 24.Bb2 fe3 25.fe3 Rf8 26.Qe2 Re8 27.e4+= Nf4 28.Qf3 Rf8 29.Qb3 Rf7= 30.Nf3 Rg3 31.Qc3 Ng2–/+ 32.Rg2 Qh3 33.Rh2 Qg4 34.Rh4 Qf3 35.Qf3 Rgf3 36.Rc6 Rf1 37.Kh2 R1f2 38.Kg3 Rb2 (38...Rb2 39.Rc3 b5–/+) 0–1. pereira – qstmac, internet, 2007.

8.Nf3 Be7

9.Bb5 Ndb4 10.0–0 Bf5 11.Bc6 Nc6 12.d4 Re8 13.Nbd2 +=.

9.Nc3 Bf6 10.d4 Be6 11.Be2 Nc3 12.Bc3 Ne7 13.Qc2 Rc8 14.e4 Ng6 15.0–0 Nf4 16.Bd1 Bc4 17.Re1 c5 18.e5 Bd3 19.Qd2 Bg5 20.Ng5? (20.Re3 cd4 21.Bd4 Be4+=) 20...Qg5+= 21.g3 Nh3 (21...cd4 22.Bb4 a5 23.Ba5 b6+–) 22.Kg2+= Bf5 23.d5 Qg6 24.d6 Ng5 25.Rc1 h6 26.h4 Ne4 27.Qf4 Nc3 28.Rc3 Bd7 29.Bf3 b6 30.Ra3 a5 31.Bb7 Rb8 32.Bd5 Be6 33.Be4 Qh5 34.Qd2 f6 35.ef6 Rf6 36.Rf3 Qf7 37.Rf6 Qf6 38.Bd5 Bd5 39.Qd5 Qf7 40.Re6 Qb7 41.Re8 Kh7 42.Qb7 Rb7 43.Re7 Rb8 44.d7 Rd8 45.h5 1–0. Degterev,Pavel (2275) – Rolle,Hannes (2120), WC–2010–S–00006, 2007.

9.Nc3 Bf6 10.Nd5 Bb2 11.Rb1 Qd5 12.Rb2= Ne5 13.Ne5 Qe5 14.d4 Qg5 15.Qf3 Qa5 16.Rd2 Be6 17.Bd3 Ba2 18.Ke2 Bd5–/+ 19.Qf5 g6 20.Qe5 Rfe8 21.Qg5?? Bf3!–+ (21...Bf3 22.gf3 Qg5–+) 0–1. Sokolowski,M – Mroz,Antoni, corr 1. AMM Poland, 1991.

9.d3 Re8 10.Be2 (10.Nbd2 Bg4 11.Be2 Bf3 12.gf3 Bh4 13.0–0–/+; 10.Nc3 Be6 11.a3 a6 12.Qc2 Bf6 13.Be2=; 10.Qc2 Ndb4 11.Qc3 Bf6 12.d4 Be7 13.Bc4–/+; 10.a3 Nf4 11.Nc3 Bf6 12.Rb1 Bc3 13.Bc3+=) 10...Bb4 11.Nbd2 Nc3 12.Bc3 Bc3 13.Rc1 (13.Rb1+=) 13...Bb4 14.0–0 Bg4 (14...Bg4 15.d4 Rb8=). Bakkers,Max – Bothe,Erhard, corr SOK–90–57, 1990.

9.d3 Bg4 10.Be2 Bb4 11.Nbd2 Nc3 12.Bc3 Bc3 13.Rc1 +=.

9.Be2 Bd6 (9...Be6 A) 10.0–0 Ndb4 (10...Qd6) 11.a3 Nd3 12.Qc2 Nb2 13.d4 Rb8=; B) 10.Nc3 B1) 10...Re8 11.0–0 (11.Bb5 Nc3 12.dc3 Bd6 13.0–0 Qf6+=) 11...Qd6 12.Ne4 Qb4 13.Qc2 Bf5=; B2) 10...Qd7 11.Bb5 (11.0–0 Rad8 12.Bb5 Ndb4 13.d4 a6=) 11...Ndb4 12.d4 Rad8 13.a3 a6=; 9...Ndb4 A) 10.0–0 Bf5 11.a3 (11.Nc3 Nd3 12.Qb3 Nc5 13.Qd1 Bd3+=; 11.Ne1 Re8 12.d4 a6 13.Nc3 Nd5=) 11...Bc2 12.Qc1 Bd3 13.Nc3 Nc2=; B) 10.d4 Bf5 11.Na3 Be6 12.Nc4 a6 13.a3 Nd5=) 10.Nc3 (10.0–0 Be6 11.Na3 (11.d4 Qf6 12.e4 Nf4 13.e5 Qg6+=) 11...a6 12.Nc4 Bb4 13.d4 b5=; 10.Na3 Re8 11.Nc4 (11.0–0 Bg4 12.Nb5 Be7 13.d3 Bf6=; 11.Nb5 Be7 12.0–0 a6 13.Nc3 Be6+=) 11...Be7 12.0–0 a6 13.d4 Bf5=) 10...Nc3 (10...Be6 11.0–0 a6 12.Ne4 Re8 13.d3 Be7=) 11.Bc3 Bf5 (11...Be6 12.Qc2 Qd7 13.Qb2 f5=) 12.Qb3 (12.0–0 Re8 13.Qb3 Rb8=) 12...Rb8 13.0–0 (13.Qb2 f6=) 13...Re8 (13...Qd7=) 14.d4 (14.Qb2 f6=) 14...h6 (14...Be6 15.Qc2=) 15.Bc4 Bg6 16.Rfe1 (16.Rfc1 Qf6=) 16...a6 17.e4 b5 18.Bd3 Bf8 (18...Bh5 19.Qd5 Bf3 20.Qc6 Qg5–/+) 19.d5 Ne7 (19...Bh5 20.Be2 Bf3 21.Bf3+=) 20.Ne5+/– Rb6 (20...Qd6!?+/–) 21.Bd4 Rb7 22.Rac1 Nc8? (better is 22...Bh5+/–) 23.Ng6+– fg6 24.Rc6 (better is 24.e5 Kh7 25.Be4+–) 24...g5? (24...a5 25.a4+–) 25.Rg6 (25.d6 Kh7 26.Qf7+–) 25...Nd6 26.e5 Qd7 27.e6 Qc8 28.Qc3 c5 29.dc6 Rc7 30.e7! Rce7 31.Re7 Re7 32.Rd6 (32.Rd6 Rf7 33.Rg6+–) 1–0. Graf,Michael – Geldner,Werner, Ostalb–ch Schwaebisch Gmuend, 1998.

9.Be2 Re8 10.Nc3 +=.

9.Be2 Bf6 10.d4= Re8 11.0–0 Qe7 12.Nbd2 Bf5 13.Qb3 Nb6 14.Rac1 (14.Bb5 Rab8+=) 14...Be6 15.Bc4? (better is 15.Ba3 Bb3 16.Be7 Ba2 17.Bf6 gf6 18.Ba6=) 15...Na5–+ 16.Qd3 Nac4 17.Nc4 Nc4 18.Rc4 Bc4 19.Qc4 c6 20.Rc1 Qe4 21.Nd2 Qd5 22.e4? (better is 22.Qd5 cd5 23.Nb1–+) 22...Qc4 23.Rc4 Rad8 (better is 23...Bg5!? 24.Bc1 Bd2 25.Bd2 Re4 26.Kf1–+) 24.f3 c5 25.Nb3 cd4 26.Bd4 Bd4 27.Nd4 Rd7 28.Kf2 a6 29.a4 g6 30.g4 Red8 31.Ke3 Kg7 32.g5 h6 33.h4 h5 34.f4 b5 35.ab5 ab5 36.Rb4 Ra8 37.Rb5 Ra3 38.Rb3+= Rb3 39.Nb3 Ra7 40.Nd4 Ra3 41.Kf2 Ra2 42.Ke3 Ra1 43.Kf2 Ra3 44.Ke2 Kf8 45.e5 Ke7 46.Kf2 Rd3 47.Nf3 Ke6 48.Ke2 Rd5 49.Ke3 Kf5–+ 50.Nh2 Ra5 (50...Ra5 51.Nf3 Ra3 52.Ke2 Kf4–+) 0–1. Reimer,Karl – Meinhardt,Roland, Bad Bergzabern, 1997.

7.Nf3

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

7.Nf3 Be6 8.cd5 Nd5 9.Be2 Re8 10.0–0 (--> 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 10.0–0).

7.Nf3 Bg4 8.cd5 Nd5 9.Be2 Re8 10.0–0 Qe7 11.Nd4 Be2 (--> 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 Bg4 10.0–0 Qe7 11.Nd4 Be2).

7.Nf3 Re8

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

8.a3 Bd6 9.cd5 Nd5 10.Be2 Qe7 11.0–0 Bg4 (--> 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 Bg4 10.0–0 Qe7 11.a3 Bd6).

8.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).

8.cd5=+ Nd5 9.Be2 Qe7 10.0–0 Bf5 11.a3 (--> 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 Bf5 10.0–0 Qe7 11.a3).

8.cd5 Nd5 9.Be2 Bg4 10.0–0 Qe7 (--> 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 Bg4 10.0–0 Qe7).

8.Be2 dc4 9.Bc4 Bg4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bg4 8.Be2 dc4 9.Bc4 Re8).

8.Be2 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).

6.e3 Re8

7.Nc3 d5 8.cd5 Nd5 9.Be2 Nc3 10.Bc3 Bc3 11.dc3 Qf6 12.Qc1 Qg5 13.Kf1 b6 14.Bf3 Ba6 15.Ne2 Qc5 16.Qc2 Rad8 17.Bc6 Qc6–+ 18.Rd1 Rd1 19.Qd1 Qc3 (19...Qc3 20.h4 Qb2–+) 0–1. Kuhlmann,Aegidius Antonius J – Ekengren, corr, 1975.

7.Nf3 a5 8.a3 Bd6 9.Be2 b6 10.0–0 Bb7 11.d4 Ne7 12.Nc3+= Ng6 13.Rb1 Ne4 14.Ne4 Be4= 15.Bd3 Bb7 16.d5 Qe7 17.Bg6 fg6 18.Qb3 Rf8 19.Rfd1 Rae8 20.c5 Bc5=+ 21.d6 Qf7 22.Qf7 Rf7 23.Ne5 Bd6 24.Nf7 Kf7 25.Rd6 cd6 26.Bd4 Bc6 27.Rb6 g5 28.f3 h5 29.h4 (Better is 29.h3!?+=). Kern,Michael – Frost,Lionel, IECG, 1997.

7.Nf3 a6 8.a3 Be7 9.d4 d5 10.cd5 Nd5 11.Bd3 Nf4 12.0–0 Nd3 13.Qd3 Bg4 14.Nbd2 Na7 15.Ne5 Be6 16.e4 f6 17.Nef3 Bf7 18.Rac1 Bd6 19.Rfe1 c6 20.Nc4 Bc7 21.Rcd1 Kh8 22.e5 Bd5 23.ef6 Qf6=+ 24.Nce5 Nc8 25.Nd7 Qd8=+ 26.Nde5 Nd6 27.Re3 Kg8 28.Rde1 Qf6 29.Ng4 Qf7 30.Ng5? Qh5–/+ 31.f4 Re3 32.Re3?? Nc4–+ 33.Nh7 Qg4 34.Nf6 gf6 35.Rg3 Qg3 36.Qg3 Kf7 37.Qg4 Ke7 38.Qg7 Bf7 39.Bc3 Bf4 40.Qg4 Be3 41.Kf1 Re8 42.Qf5 Nd6 43.Qh7 Kd8 44.g4 Bc4 45.Kg2 Bd5 46.Kf1 Re7 47.Qh8 Kd7 48.h4 Ne4 49.Bb4 c5 50.Bc5 Ng3 51.Ke1 Re4 52.Qg7 Kc6 53.Qf6 Re6 54.Qe6 Be6 55.d5 Kc5 56.de6 Kd6 (56...Kd6 57.Kd1 Ke6–+) 0–1. Jirousek,Jim – Jacewicz,Grzegorz, corr or01–010 E–mail, 2001.

7.Nf3 d6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d6 6.Bb2 Nc6 7.Nf3 Re8).

7.a3 Ba5

8.Nf3 d5 9.cd5 Nd5 10.Bb5 Bd7 11.0–0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Bb5 Bd7 11.0–0).

8.Nf3 d5 9.Be2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.Be2).

8.Nf3 d6 9.Be2 Be6 10.0–0 Rb8 11.d4 d5 12.c5 b6 13.cb6 Bb6 14.Nc3 Ne4 15.Bb5 Qd6 16.Qc2 Nc3 17.Bc6 Qc6 18.Qc3 Qb5 19.Qc2 g6 20.Nh4 c5 21.dc5 Bc5 22.Qc3 Qb2 23.Qc5 Qb6 24.Qb6 ab6 25.Rab1 b5 26.Rb4 Rec8 27.h3 Rc4 28.Nf3 Rb4 29.ab4 ½–½. Van Esbroeck,Dirk – Van Esbroeck,Jeff, 33. LSS No Engine Cup Preliminary, 2010.

7.Be2 d5–/+

8.cd5 Nd5 9.Nf3 (--> 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).

8.cd5 Nd5 9.Nf3 Qe7 10.0–0 Bg4 11.a3 Ba5 12.Nd4 (--> 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 Bg4 10.0–0 Qe7 11.a3 Ba5 12.Nd4).

8.Nf3 dc4 9.Bc4 Bg4 10.0–0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0–0 7.Nf3 Re8 8.0–0 Bg4 9.c4 dc4 10.Bc4).

7.Nf3 d5

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

8.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).

8.cd5 Nd5 9.a3 Ba5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5).

8.cd5 Nd5 9.Be2 Qe7 10.0–0 Bf5 (--> 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 Bf5 10.0–0 Qe7).

8.cd5 Nd5 9.Be2 Bf5 10.0–0 Be7 (--> 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 Bf5 10.0–0 Be7).

8.cd5 Nd5 9.Be2 Bg4 (--> 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 Bg4).

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

6.Nf3 d5

7.a3

7.a3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.Nf3 Nc6 6.Bb2 d5 7.a3).

7.a3 Ba5 8.cd5 Nd5 9.e3 Bg4 10.Be2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bg4).

7.a3 Ba5 8.e3 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5).

7.cd5 Qd5

8.Nc3 Bc3 9.Bc3 Ne4 10.Qb3 Qd6 11.e3 Bf5 (11...Be6 12.Qc2 (12.Qb7? Rab8 13.Qa6 Nc3 14.dc3 Qc5–+) 12...f5 13.Bd3+=) 12.Be2 Be6 (12...a6 13.a4+= (13.Qb7 Rfb8 14.Qa8 Ra8–+)) 13.Qb2 (13.Qb7?? Rab8 14.Qa6 Nc5–+) 13...f6 14.0–0 (14.Qb7?? Rfb8 15.Qa6 Nc5–+) 14...a5 15.Rfc1 (15.Qb7?? Rfb8 16.Rfb1 Rb7 17.Rb7 Nc3 18.dc3 Qa3–+) 15...Bd5 (15...Rfd8 A) 16.Qb7 Rab8 17.Be5 Rb7 (17...Ne5?! 18.Qe4 Bd5 19.Qc2=) 18.Bd6 Rd6–+ (worse is 18...Nd6 19.Rc6 Rdb8 20.g3+/–); B) 16.d4=) 16.Bd4 (16.Qb7?? Rfb8 17.Qa8 Ra8–+) 16...Qe7 (16...a4!?=) 17.d3+= Nd6 (17...Nd4? 18.Qd4 (18.Nd4?! Nd6+=) 18...c6 19.de4 Be4 20.Qb6+–) 18.h3 Rfd8 (18...f5 19.Rc5 Nd4 20.Nd4+=) 19.a4+= Rdc8 20.e4 Nd4 21.Nd4 Bf7 22.Bg4 Rd8 23.Rab1 h5 24.Bf3 g6 (24...Qd7 25.Qc2+=) 25.Rc2 (25.Nb3 Ra7+=) 25...c6 26.Ne2 Re8 27.Nd4 Red8 28.Ne2 Re8 29.Nd4 Red8= ½–½. Maksat Piriyev – Marram, internet, 2010.

8.Nc3 Bc3 9.Bc3 Ne4 10.Qc2 Re8 11.e3 b5 12.Rc1 Bg4 13.Bd4?? Nd4 14.Nd4–/+ Qd4 15.ed4?? Ng3 16.Be2 Re2 17.Kd1 Rf2 18.Ke1 Re2 19.Kd1 Re3# 0–1. Huber – Heer, Triberg, 1950.

8.Nc3 Qh5 9.e3 Bg4 10.Be2=+ Rfe8 11.a3 Bf8 12.0–0 Bd6 13.g3 Rad8=+ 14.Nh4 Be2 15.Qe2 Qe2 16.Ne2 Ne4 17.Nf3 Bf8 18.d4 Na5 19.Rac1 c5 20.dc5 Nc5 21.Bc3 Ncb3 22.Ba5 Na5 23.a4 Rc8 24.Rfd1 Nb3 25.Rb1 Nc5 26.a5 Rc6 27.Nfd4 Ra6 28.Rb5 b6 29.ab6 Rb6 30.Rb6 ab6 31.Rb1 Rb8 32.Nc3 Nd3 33.Na4 Nb4 34.Nc3 g6 35.Ne4 Kg7 36.Ra1 Rb7 37.Nb5 Be7 38.Rb1 Rd7 39.g4 h6 40.Kg2 f5 41.gf5 gf5 42.Ng3 Kg6 43.Ne2 Bc5 44.Kf3 Nd3 45.Nbd4 Kf6 46.Ng3 Bd4 47.ed4 Rd4 48.Rb6 Kg5 49.Ke3 Rd5 50.Ne2 Rd8?? 51.f4+– Nf4 52.Nf4 Rh8 53.Kf3 Ra8 54.Rg6 Kh4 55.Rh6 Kg5 56.Rg6 Kh4 57.Ng2 Kh5 58.Re6 Ra4 59.Re8 Kg5 60.Rg8 Kf6 61.Ne3 Ra3 62.Rc8 Kg5 63.Rc5 Kg6 64.Kf4 Ra4 65.Rc4 Ra5 66.Rc6 Kh5 67.Nf5 Ra4 68.Kg3 Rg4 69.Kh3 (69.Kh3 Rb4 70.Ne3+–) 1–0. Nadanian,Ashot (2335) – Lomineishvili,Maia (2295), Tbilisi (12), 1995.

8.e3 Bg4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bg4 8.cd5 Qd5).

8.Bf6 gf6

9.a3 Ba5 10.e3 Kh8 11.Nc3 Bc3 12.dc3 Qc5 13.Qd2 Be6 14.Be2 Rg8 15.g3 Rad8 16.Nd4 Bd5 17.0–0 Ne5 18.Qc2 a6 19.Rfd1 b5 20.a4 c6 21.ab5 ab5 22.Qf5 Kg7 23.f4 Nc4 24.Bd3 Rh8?? (24...Ne3 25.Qh7 Kf8 26.Qh6 Rg7 27.Qh8 Rg8 28.Qf6 Rb8 29.Qh6 Rg7+–) 25.Bc4+– Qc4 26.Qg4 Kf8 27.Ra7 (better is 27.e4 Qc3 28.ed5 cd5 29.Qh4+–) 27...Qc3? (27...Rb8 28.Nf5 Rg8+–) 28.Ne6 (28.Ne6 Ke8 29.Ng7 Kf8 30.Nf5+–) 1–0. Gierth,Karlheinz (2260) – Henke,Simon (1720), IECG, 2009.

9.a3 Bd6 10.e3 Ne5 11.Nc3 Nd3 12.Bd3 Qd3 13.Qe2 Bf5 14.Nh4 Bg6 15.Ng6 Qe2 16.Ke2 hg6 17.d4 (17…Rfd8 18.Ne4+/–) 1–0. marekt – rjml, ChessWorld.net, 2003.

9.Nc3 Qa5 10.Qc2 Bf5 11.Ne4 Rad8 12.Nf6 Kh8 13.Qb2?? Rd2!–+ 14.Nd2 Bc3 15.Qb7 Bd2 (15...Bd2 16.Kd1 Bc2 17.Kc2 Qc3 18.Kd1 Be1 19.Qb4 Qa1 20.Kc2 Nb4 21.Kb3 Qa2#) 0–1. Klarius,Gerd – Nyberg,Ulf, corr ICCF EU–ch GT197, 1982.

9.Nc3 Bc3 10.dc3 Qa5 11.Qc1 Bg4 (11...Bf5 12.e3+=) 12.Nd2 (12.Qb2 Qb6 13.Qc2 Qc5+=) 12...Rad8 (12...Rfd8 13.Nb3 Qh5 14.Qf4+=) 13.f3 Be6 14.Ne4 Bf5 (14...Kg7 15.g4–/+) 15.Nf6+= Kh8 16.g4 Qe5 (16...Rd6 17.gf5 Rf6 18.e4+=) 17.g5= (worse is 17.gf5 Qf6 18.Bg2 Qh4 19.Kf1 Ne5–+) 17...Rd3 The isolani on c3 becomes a target (17...Rd6 18.e4 Rfd8 19.Be2=) 18.f4+= Qc3 19.Qc3 Rc3 20.e4 (better is 20.Bg2!?=) 20...Be4–/+ 21.Rg1 Rd8 (21...Bf5 22.Rg3 Rc2 23.Bh3+=) 22.Rg3 Rg3 23.hg3 Nb4 24.Rc1 Bc6 25.Rc3 Kg7 (25...Na2?! 26.Rc2 Nb4 27.Rh2=) 26.a3 (26.Bc4 Ba4+=) 26...Nd5–/+ 27.Rd3 Rd6 28.Nh5 (28.Nd5 Rd5 29.Re3 b6–/+) 28...Kf8 29.Rb3 (29.Bh3 h6–/+) 29...h6 (29...b6 30.Bc4–/+) 30.gh6 Rh6 31.Be2 f5 32.Kf2 (better is 32.g4!?–/+) 32...Be8–+ 33.g4 fg4 34.Ng3 Nf4 (34...Bc6 35.Bg4 Rh2 36.Kg1–+) 35.Bg4 (35.Rb7 Rf6 36.Ke1 Ne2 37.Ne2 Ra6–+) 35...Bc6 (35...Rh2 36.Ke3 Nd5 37.Kd4–+) 36.Nf5 Rf6 37.Kg3 (37.Ke3 Nd5 38.Kd4 Ne7–+) 37...Ne2! 38.Kh4 (38.Be2 Rf5 Deflection) 38...Rf5! 39.Bf5? (better is 39.Be2 Ke7 40.Kg4–+) 39...Nd4 40.Rb2 (40.Rb1 Nf5 41.Kg5 Nd6–+) 40...Nf5 41.Kg5 Nd6 42.Kf6 Ke8 43.Rh2 Kd8 (43...Be4 44.Ke6 Bf5 45.Kf6–+) 44.Ke6 (44.Rh8 Ne8 45.Ke5 b6–+) 44...Bd7 45.Kd5 Ne8 (45...Ke7 46.Rh7 Nf7 47.Kd4–+) 46.Rh6 (46.Ke4 c6–+) 46...c6 47.Ke5 Kc7 48.Rg6 b5 49.a4 (49.Rg1–+) 49...ba4 50.Rh6 (50.Kd4 a3–+) 50...a3 51.Rh4 (51.Rg6 a6–+) 51...Nd6 52.Rh6 (52.Rh1–+) 52...c5 (better is 52...Nf7 53.Kd4 Nh6–+) 53.Rh2 (53.Rd6 Bb5 54.Rd1–+) 53...Nb5 54.Kd5 (54.Rc2 Kc6 55.Rc1 a2–+) 54...a2! (54...a2 55.Ra2 Nc3 56.Kc5 Na2–+) 0–1. Spichkin,Alexander (2140) – Stathopoulos,Ioannis (2385), Aeroflot Open B, 2017.

9.Nc3 Bc3 10.dc3 Qa5 11.Qc2 Bf5 12.Qb2 Rad8 13.Nd2 Rfe8 14.e3 a6 15.Be2 (15.Qb7?? Qc3 16.Ba6 Qa1 17.Nb1 Bc8–+) 15...Ne5 16.0–0 Qa4 17.Nb3 Nc4 18.Qc1 Nd6 19.c4 Qb4 20.Nd4 Be4 21.c5 Nf5 22.Nf5 Bf5 23.Bf3 a5 24.a3 Qb3 25.Rd1 a4 26.h3 Rd3 27.Rd3 Bd3 28.Qd2 c6 29.Bd1 Qc4 30.Ba4! Bg6 (30...Qa4 31.Qd3) 31.Qb4 Re4 32.Bd1 Qb4 33.ab4 Rb4 34.Rc1 Kf8 35.Bf3 Ke7 36.g4 f5= 37.g5 f6 38.gf6 Kf6 39.Kg2 Bf7 40.Rc3 Ke5 41.Rc2 h5 42.Rc1 Bd5 43.Rc2 Rb5 44.Rc1 h4 45.Rc2 Ra5 46.Rb2 Rc5 47.Rb7= Rb5 48.Rh7 Rb4 49.Rh8 c5 50.Bd5 Kd5 51.Kf3 Ke5 52.Re8 Kf6 53.Rc8 c4 54.Kf4 c3 55.Kf3 Rb3 56.Rc4 Kg5 57.Rc8 Ra3 58.Rc6 ½–½. kamret (2225) – Karpov_2002 (2155), GameColony.com, 2003.

9.Nc3 Bc3 10.dc3 Qc5 11.Qc1 Bf5 12.e3 Ne5 13.Nd4 Bd3 14.Qd2 Bf1 15.Rf1 Rad8 16.Qc2 Qa3 17.e4 c5=+ 18.Nf5 Qa6 19.Rg1 Qc4–/+ 20.f3 Nd3 21.Kf1 Nb4 22.Qe2 Qc3 23.Rc1?? Qc1–+ (23...Qc1 24.Kf2 Nd3 25.Qd3 Qg1 26.Kg1 Rd3 27.Nh6 Kh8–+) 0–1. aspasio (2125) – POELJEV (2355), ICC, 1999.

9.e3 Rd8 10.a3 Ba5 11.Be2 Ne5 12.0–0 c5 13.Nc3 Bc3 14.dc3 Bf5 15.Qd5 Rd5 16.Rfd1 Rad8 17.Rd5 Rd5 18.a4 b6 (18...Be4 19.Rd1=) 19.a5+= Nf3 (19...Bd3 20.ab6 ab6 21.Rd1+=) 20.gf3 (20.Bf3 Rd3 21.ab6 ab6+=) 20...Rd2 21.ab6 ab6 22.Kf1 Rc2 23.c4 Rb2 (23...Be6 24.Rb1=) 24.Ke1+= Kf8 25.f4 Ke7 26.h4 h6 27.f3 Be6 28.Ra7 Kd6 29.e4 f5 30.ef5 Bd7 31.Bd3 f6 32.Rb7 Be8 33.Be4 h5 34.Bd3 ½–½. Joseph,Fernand (2380) – Hannecart,Marc (2285), ICCF FM/0723, 2008.

9.e3 Rd8 10.Be2 Qe4 11.a3 Ba5 12.0–0 Qg6 13.Qb3 Rb8 14.Nc3 Bh3 15.Nh4 Qg5 16.Rad1 Qh4.

9.e3 Rd8 10.Be2 Ne5 11.0–0 c5 (11...Bg4 12.d4= (12.Ne5 Qe5 13.Bg4 Qa1 14.Qb3 Bd2 15.Nd2 Qe5 16.Qc2 Rd5) 12...Nf3 13.Bf3 Bf3 14.Qf3 Qf3 15.gf3 c5 16.a3 Ba5) 12.a3 (12.Nc3 Bc3 13.dc3 Bf5 14.Qa4 Qe4 15.Qb5 Bh3 16.Rfd1 b6) 12...Ba5 13.Qa4 (13.Nc3 Bc3 14.dc3 Bg4= (14...Bf5 15.Qa4 Bd3 16.Rad1 Qc4) 15.Qd5 Rd5 16.Rfb1 b6) 13...b6 (13...Bc7 14.Ne1= (14.Nc3 Nf3 15.Bf3 Qe5 16.Qh4 Qg5) 14...c4 15.Qc2 Bg4 16.Bg4 Ng4; 13...c4 14.Nc3 Bc3 15.dc3 Bd7 16.Qd1 Qe4) 14.Rd1 (14.Nc3 Bc3 15.dc3 Bg4 16.Rfd1 Qc6) 14...Bb7 (14...Qc6 15.Qh4 Ng6 16.Qg3 Qd6) 15.Nc3 (15.Qf4 Nd3 (15...Qd6 16.Qf5 Qe6) 16.Qf6 Rd6+=; 15.Qh4 Qc6 16.Qg3 Ng6) 15...Qe6 (worse is 15...Nf3 16.Bf3 (worse is 16.gf3 Qf5+=) 16...Qd7 17.Bb7 Qb7 18.Qg4 Kh8 19.Ne4+/–; 15...Qc6 16.Qf4 Kh8) 16.Ne5 (16.Qf4!?= Rac8) 16...fe5+= (worse is 16...Qe5 17.Rac1+=) 17.Qh4 Qg6 18.g3 h6 19.Rac1 Rd7 20.Bg4 f5 21.Bh5 (21.Be2!?+=) 21...Qc6–/+ 22.f3 Rad8 23.e4 Bc3 24.Rc3 Qa4 25.Re1 Qd4 (worse is 25...Rd2 26.Qf6 Qd4 27.Rce3+=) 26.Rce3 Rg7 27.Qf6 (27.f4 ef4 28.Qf4 Rg5–/+) 27...f4–+ 28.Bg4 Qd6 (28...fe3 29.Be6 Kh7 30.Bf5 Kh8 31.Qh6 Kg8 32.Qe6 Kf8 33.Qf6 Rf7 34.Qh6 Kg8 35.Qg6 Rg7 36.Qe6 Kh8 37.Qh6 Kg8 38.Qe6=) 29.Be6= Kh7 30.Qf5 Kh8 31.Rd3 Qd3 32.Qf6 Kh7 33.Qf5 Kh8 34.Qf6 Kh7 ½–½. Gierth,Karlheinz (2265) – Raap,Christian (2285), RSLBL – BL2009, 2009.

9.e3 Be6 10.Be2 Kh8 11.a3 Ba5 12.Nc3 Qd8 13.Qc2 Rg8 14.g3 Bc3 15.Qc3 Bh3 16.Rb1 Rb8 17.Rg1 Bf5 18.Rb5 Be6 19.d3 a6 20.Rc5 Rc8 21.Qb2 Rb8 (21...Rb8 22.d4 Bd5+=). Jernselius,Kjell – Englund,J, corr SSKK 2–739, 1990.

9.e3 Re8 10.Be2 Bg4 11.0–0 Rad8 12.a3 Bf3 13.Bf3+/– Qe5 14.Bc6 bc6 15.Ra2 Ba5 16.d4 Qd5 17.Rc2 Re5?? 18.Qe2 Rg5 19.g3 Qb5 20.Qf3 Rd6 21.Rfc1+– Qd5 22.Qg2 Qg2 23.Kg2 Rb5 24.Nc3 Bc3 25.Rc3 Rb6 26.Rc5 Ra6 27.a4 Ra4 28.Rc6 Rd8 29.Rf6 Rd6 30.Rd6 cd6 31.Rc6 (31.Rc6 d5 32.Rc5+–) 1–0. Engel – Grigutsch,Klaus Dieter, corr DDR, 1985.

8.e3 Qf5!? +=.

9.e3 Bf5 10.a3 Ba5 11.Be2 Ne5 12.0–0 Bd3 13.Bd3 Nd3 14.Qc2 Rad8 15.Nc3 Qc4 16.Rab1 Bb6 17.Ne1 Ne1 18.Rfe1 Qd3 19.Qd3 Rd3 20.Rb2 Rfd8 21.Nb1 Kf8 22.Kf1 Ke7 23.Ke2 Ke6 24.Rb4 Kf5 25.Rc1 h5 26.Rc2 c6 27.a4 R8d7= 28.Rcb2 Rd8 29.Nc3 Kg6 30.g3 R8d7 31.Nb1 Kf5= 32.h3 Kg5 33.h4 ½–½. Noskowicz,Krzysztof – Kozlowski,Waldemar, corr 1. AMM Poland, 1992.

9.e3 Bf5 10.Nc3 Bc3 11.dc3+= Qa5 12.Qb3 Rad8 13.Be2 Bd3 14.Bd3 Rd3 15.Rc1 b6 16.Qc4 Rd6 17.0–0 Rfd8 18.Nd4 Ne5 19.Qb5 Qa3 20.Qe2 Ng6 21.Nb5 Qa6 22.Rc2 R6d7 23.h3 Qb7 24.Qg4 Rd5 25.Qf3+= Nh4 26.Qe4 Ng2 27.Kh2 Ne3 28.Rg1+– Kh8 29.Qe3 Rg8? 30.Rg8 Kg8 31.Qe8 Kg7 32.f4 Kg6 33.Rg2 Kf5+– 34.Nd4 Kf4 35.Rg4# 1–0. Jernselius,Kjell – Pettersson,I, corr SSKK 3–1305, 1989.

8.e3 Bg4 9.Bf6= Bf3 (9...gf6 10.a3 Be7 11.Nc3+=) 10.Qf3+= Qf3 (10...gf6?? 11.Qd5 Rfd8 12.Qf5+–) 11.gf3 gf6 12.Rg1 (12.a3 Bd6+/–) 12...Kh8 13.Nc3 Ne5 14.Be2 Rad8 15.0–0–0 Nd3 16.Bd3 (16.Kc2!? Nf2 17.Rb1=) 16...Rd3= 17.Kc2 Rfd8 18.Ne4 Be7 19.f4 h6 20.f3 Ra3 21.Nc3 Bb4 22.Nb1 Rad3 (22...Ra2? 23.Kb3 Ra6 24.Kb4 Rb6 25.Kc3+–) 23.Rg3 R3d6 24.a3 Ba5 ½–½. Pcmvr – Justiniano23, playchess.de, 2004.

9.e3 Bg4

10.a3 Ba5 11.Nc3 Bc3 12.dc3 Qa5 13.Qb3 Rad8 14.Be2 Be6 15.Qb2 Ne5 16.0–0 Bd5 17.Nd4 Kh8 18.Qb4+/– Qb4 19.ab4 Rg8 20.g3 a6 21.f4 Ng4 22.Bg4 Rg4 23.Rfd1 Be4 24.Nb3 Rgg8 25.Nc5 f5 26.Rd4 Bc6 27.Rad1+/– Rde8 28.Kf2 Kg7 29.c4 Re7 30.h3 Rge8 31.R1d3 Kg6 32.Ra3 h5 33.h4 f6 34.Rad3 Kh6 35.Nd7 Kg6 ½–½. Kusmierek,Jozef – Cottarelli,Franco, corr 3GMM½–01, 2000.

10.Be2 Rad8 11.0–0 Kh8 12.Nc3 Bc3 13.dc3+= Bf3 14.Bf3+/– Qd6 15.Qa4+– Ne5 16.Bb7 Nd3 17.Qh4 Nc5 18.Bf3 Qe5 19.Qh6 Rg8 20.Qh5 Rg5 21.Qf7+– Rdg8 22.g3 h5 23.Rad1 Ne4 24.Be4 Qe4 25.Qf6 R5g7 26.Rd4 Qc2 27.Rh4 (27.Rh4 Re8 28.Rh5 Kg8 29.Qh4+–) 1–0. Wall,Bill – Katsampes,Tom, San Antonio, TX, 1994.

10.Be2 Bf3

11.Bf3 Qe5

12.Nc3 Bc3=+ 13.dc3 Qc3 14.Kf1 Rad8 15.Qc1 Qc1 16.Rc1 Rd2 17.Bc6 bc6 18.g3 Rb8 19.Kg2 Rbb2 20.Rhf1 Rdc2 21.a3+= f5 22.Kf3 Kg7 23.h3 c5 24.Rc2 Rc2 25.Rb1 Rc3 26.a4 Ra3 27.Rc1 Ra4 ½–½. Sternik,Ryszard – Chelminiak, corr Poland, 1967.

12.Nc3 Bc3=+ 13.dc3 Qc3 14.Kf1 Rad8 15.Qc1 Qd3 16.Kg1 Rd6 17.h3 Rfd8 18.Kh2 Qf5 19.Rd1 Rd1–/+ 20.Bd1 Qf2 21.Bf3 Ne5 22.Bb7 Rd2 23.Qc7=+ Qe3 ½–½. Sternik,Ryszard – Ferm,Sven, corr S–PL, 1986.

12.Bc6 Qa1? 13.Bb7+– Rab8 14.Qg4 Kh8 15.Qb4 c5 16.Qb5 Qe5 17.Qa6 Qe7 18.Nc3 Rb7 (18...Rb7 19.Nd5 Qd7 20.Nf6 Qb5 21.Qb5 Rb5=). Saplinov – Kolosan, corr, 1967.

12.Bc6 bc6!

7.cd5 Nd5

8.Qc2 Re8 9.e3=+ Nf4 10.a3 Ba5 11.Nc3 Ne5 12.Ne5 Re5 13.Qa4 Nd3 14.Bd3 Qd3 15.Nb1 Bd7 16.Qd4 Qd4 17.Bd4 Rg5 18.g3 c5 19.Bc3 Bc7 20.f3 Re8 21.Kf2=+ Bb5 22.d4 Bd3 23.Rd1= c4 24.e4 Rg6 25.Nd2 h5 26.a4 h4 27.Rg1 Rd6 28.gh4 Rh6 29.h3 Rh4 30.d5 Bb6 31.Kg3 Rh5 32.Rg2 Bc7=+ 33.Kf2 g6 34.Rc1 a6 35.h4 b5 36.ab5 ab5 37.Rh1 Bd6 38.Rg5 Bc5 39.Kg2 Ra8 40.Rh5–/+ gh5 41.Kg3 b4 42.Be5 Be3 43.Nf1–/+ Bf1 44.Rf1–+ c3 45.d6 c2 (45...c2 46.Bb2 b3–+) 0–1. Rushton,Darren – Kuni,Richard, TT–02 TSC, 2002.

8.Nc3 Nf4 9.e4 Bg4 10.Be2? Ng2–+ 11.Kf1 Bh3 12.Kg1 Nh4 13.Bf1 Ne5!! 14.Bh3 Nef3 15.Kf1 Qd3 16.Qe2 Nd2 17.Ke1 Qc2 (17...Qc2 18.Qd1 Qb2–+) 0–1. marnzell – labackna, ChessWorld.net, 2006.

8.e4 Re8 9.e5 Nf4 10.Be2? Ne2 11.Qe2–/+ Bg4 12.0–0 Qd5 13.d4 Bf3 14.Qf3 Qf3 15.gf3 Rad8 16.Rc1 Nd4 17.Bd4 Rd4 18.Nc3? c6 19.Ne2 Rd2 20.Ng3 Re5 (21.Rcb1 Rb5–+) 0–1. Friberger,Torbjoern – Krolik, corr 3GMM–36, 1997.

8.g3 Be6 9.Bg2 a6 10.0–0 Qd7 11.a3 Be7 12.e4 Nf6 13.Re1 Bh3 14.Bf1 h6 15.d4 Nh5 16.d5 Na5 17.Ne5 Qb5 18.Nd3?? (18.Bb5) 18...Nf6 19.Nc3 Qb6 20.Rb1 Nc4 21.Bc1 Qa5 22.Qb3 b5 23.e5 Ng4 24.d6 Rad8 25.de7 Rd3 26.ef8Q Kf8 27.Qb4 Qb4 28.ab4 Rc3 29.Re2 Nce5 ½–½. Holz auf der Heide – Winnig, Leipzig, 1996.

8.g3 Be6 9.Bg2 Be7 10.0–0=+ Bf6 11.d4 Qd7 12.Qd2 Nb6 13.Na3 Na4 14.e3 Nb2 15.Qb2 Na5 16.Qb4 Nc6 17.Qb7+= Rab8 18.Qa6 Nb4 19.Qe2 Qa4 20.Nc4= Nc2 21.Nfe5 Na1–/+ 22.Ra1 Be5 23.Ne5=+ Qa3 24.d5? Qc3–+ 25.Rd1 Qe5 26.de6 fe6 27.Qc4 Rb2 28.Rf1 a5 29.Bh3 Rf6 30.Qc6 Kf7 31.Qd7 Kg6 32.Qd3 Kh6 33.Qc4 c5 34.Bg4 Qd5 35.Be2 Qc4 36.Bc4 0–1. Nemec,Zdenek – Hurka,Jiri, CSLA, 1982.

8.g3 Qe7 9.a3 Ba5 10.Bg2 Re8 11.0–0 Qe2 12.Qb3 Nb6 13.Nc3 Qc4 14.Qc2 h6 15.Rae1 Bg4 16.Qb1 Qb3 17.h3 Bh5 18.Qa1 Nc4–+ 19.Bc1 Re1 20.Re1 Bf3 21.Bf3 Nd4 22.Bd1 Nc2 23.Bc2 Qc2 24.Nd5 Nd2 25.Bd2 Bd2 26.Re7 c6 Black is in command 27.Nb4 Bb4 28.ab4–/+ Rd8 29.Qa7 Rd1 30.Kg2 Qc4 31.Qb8 Kh7 32.Qf4 Qf1 33.Kf3 Rd3 34.Re3 Qh1 35.Kg4 Qd1 36.f3 Rd4 37.Re4 Re4 38.Qe4 g6 39.Qc4 Kg8 40.h4 h5 41.Kg5 Qf3 (41...Qf3 42.Qf4 Qf4 43.Kf4 f6–+) 0–1. Cottarelli,Franco – Gaspero,Mario, corr ITA–ch Italy, 1986.

8.g3 Qe7 9.Bg2 Be6 10.0–0=+ Rad8 11.a3 Ba5 12.Qc2 Rfe8 13.Rc1 Bb6 14.Nc3 Nf6 15.Na4= h6 16.Nb6 ab6 17.e4 Bg4 18.d3 b5 19.Ne1 Rd7 20.Rab1 Na7 21.d4 c6+= 22.Nd3 Nc8 23.Ne5 Rc7 24.d5 Bd7 25.Nd7 Nd7 26.Qc3 f6+= 27.f3 Ne5 28.Bh3 Nd6 29.Be6 Kh8 30.Rc2 Ndc4 31.f4 Qc5 32.Kh1 Ng6 33.Qd3+/– Nf8 34.d6 Ne6 35.dc7 Nc7 36.Re1 Nd5 Bc1 Qf8 38.Rce2 Ndb6 39.e5 fe5 40.fe5 Re6 41.h3 Qe8 42.Qd4 Nd7 43.Bb2 Nb2 44.Qb2+= Qh5 45.Kg2+/– b6 46.Rd2 Ne5 47.Qc3 Qf5 48.Rf2 Qg5 49.Rfe2 Ng6 50.Re6 (50…Nf4 51.Kh2 Ne6 52.Re6+–) 1–0. Kusmierek,Jozef – Manninen,Juha, corr 3GMM–20, 1997.

8.g3 Be7 9.Bg2 Be6 10.0–0 Qd6 11.e4 Ndb4 12.d4 Bc4 13.Re1 Nd3 14.Ba3= Qd7 15.Re3+= Nd4 16.Be7 Nf3 17.Rf3 Qe7 18.Rd3 Bd3 19.Qd3 Rfd8 20.Qc2 Qe5 21.Nc3 b5 22.Rc1 c6 23.Ne2 Rac8 24.f4 Qd6 25.e5 Qd2 26.Qd2 Rd2 27.Nc3 Rcd8 28.a3+= R8d4 29.Bc6+– a6 30.Bb7 a5?? 31.Nb5+– Rd1 32.Rd1 Rd1 33.Kg2 Rd2 34.Kh3 Kf8 35.Bc6 Rc2 36.Be4 Rc5 37.Nd6 g6 38.Kg2 a4 39.Kf2 Ke7 40.Bd3 Rc3 41.Bc4 f5 42.Bg8 Ra3 43.Bh7 Rb3 44.Bg6 Rb2 45.Ke3 a3 46.Bf7 Rh2 47.Bd5 Rc2 48.Nf5 Kd8 49.g4 a2 50.Ba2 Rb2 51.Bd5. Cottarelli,Franco – Rallo,Vito, corr ITA–chT1, 1984.

8.g3 Nce7 9.Bg2=+ Ng6 10.0–0 c6 11.Qc2 Be7 12.d4 Be6 13.Nc3 Nc3 14.Bc3 Qc7 15.e4 f5=+ 16.Nd2 Rad8 17.Rab1 f4 18.Qb2 Bc8 19.Rfc1 Bg5 20.d5 fg3 21.hg3 Qf7 22.Rf1 cd5=+ 23.ed5 b6 24.Qa3 Bd2 25.Bd2 Ne5 26.Bf4 Ng4 27.f3 Nf6=+ 28.d6 Be6 29.Rbc1 Nd5 30.Bg5 Rd7 31.Rfe1 h6 32.Bd2 Rfd8 33.Rc6 Qf6 34.f4 Bf7 35.Re5 Rd6 36.Rd6 Qd6 37.Qd6 Rd6 38.Bd5 Bd5–/+ 39.a3 a5 40.Kf2 Kf7 41.Be3 Bc4 42.Re4 b5 43.Rd4 Rd4–/+ 44.Bd4 b4 45.ab4 ab4 ½–½. Pilczuk – Mroz,Antoni, corr 1. AMM Poland, 1991.

8.g3 Re8 9.Nc3 Qf6 10.Bg2 Nc3 11.dc3 Bc3 12.Bc3 Qc3 13.Kf1 Bf5 14.Ne1 Rad8 15.Qc1 Qc1 16.Rc1 Rd2 17.e3 Ra2 18.Bd5 Rb2 19.Bc6 bc6 20.Ra1 Reb8 (20...Reb8 21.Kg2 R2b7–+; 20...Bh3!? 21.Kg1–+) 0–1. Vettenburg – Palmkoeck, corr Belgium, 1993.

8.g3 Re8 9.Bg2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.Nf3 d5 6.cd5 Nd5 7.g3 Re8 8.Bg2 Nc6 9.Bb2).

8.g3 f5 9.Bg2 Be6 10.a3 Ba5 11.Qc2 Qe7 12.0–0 Rad8 13.d3 f4=+ 14.Nbd2 Bb6 15.Nc4 Bc5 16.Nce5 Ne5 17.Ne5 fg3 18.hg3 Bb6 19.d4 Qg5 20.Qc1 Qc1 21.Rac1= c6 22.Nc4 Bc7= 23.e4 Ne7 24.a4 Rfe8 25.Rfd1 Bf7 26.Bf3 Nc8 27.d5+= cd5 28.ed5 b6 29.d6 Nd6=+ 30.Ne5 (30.Ne5 Re7 31.Nc6+/–) 1–0. Sokolik,Bogdan – Borucki,B, corr 1. AMM Poland, 1991.

8.g3 f5 9.Bg2=+ f4 10.a3 Bd6 11.Qb3 Nce7 12.Nc3 c6 13.Nd4 Be5 14.Nd5 cd5= 15.Ne6 Be6 16.Be5 fg3 17.Bg3 b6 18.0–0 Bf7 19.Rac1 Nf5 20.Rc7 Ng3 21.Qg3 Re8 22.Bf3 Re6 23.Kh1 b5 24.Rg1 Rg6= 25.Qe5 Rg1 26.Kg1 a5?? 27.Rf7!+– Kf7 28.Bd5 Kf8 29.Qf5 Qf6 30.Qf6 gf6 31.Ba8 Ke7 32.d4 Kd6 33.e4 h6 34.Bd5 f5 35.f3 fe4 36.fe4 (36.fe4 b4 37.ab4 ab4 38.Kf2+–) 1–0. Sokolik,Bogdan – Wozniak,A, corr 1. AMM Poland, 1991.

8.g3 Bg4 9.Bg2 Qd7 10.0–0 Rfe8 11.a3 Bf8 12.Re1 Rad8 13.Nc3 Nc3 14.Bc3 Bc5 15.Qa4 Nd4 16.Qd7= Rd7 17.Nd4 Bd4 18.Bb7 Bc3 19.dc3 Re2 ½–½. Trigance,Eric – Bendig,Frank, corr ICCF TT–4–90, 1990.

8.g3 Bg4 9.Bg2 Re8 10.0–0 Qd7 11.d4 Rad8 12.e3 Re6 13.Qc2 Rh6 14.h4 White fights for the Initiative 14...Be7 15.Nc3 Ndb4 16.Qd2 Bf3 17.Bf3= Ne5 18.Bg2 Qg4 19.Qe2 Qe2 20.Ne2 Nc4 21.Bc3 Nd5 22.Rfc1 b5 23.a4+= a6 24.ab5 ab5 25.Ra7 Ncb6 26.Bd5 Nd5+/– 27.Ba5 Bd6 28.e4 Re6 29.e5 Ba3 30.Rc2 b4 31.Nc1?? Bc1 32.Rc1+= b3 33.Rb1 Rb8? 34.Rb3!+– Rc8 35.Rb5 Nb6 36.Bb6 cb6 37.Rb7 h5 38.R7b6 Rc1 39.Kg2 Rd1 40.Re6 fe6 41.Rb8 Kf7 42.Rd8 Kg6 43.Rd7 Rd3 44.Kf1 Ra3 45.Ke2 Rb3 46.f3 Ra3 47.Re7 Ra6 48.Ke3 Kh7 49.Kf4 Kg8 50.Kg5 Kf8 51.Rd7 Ra3 52.Kh5 Rf3 53.g4 Rg3 54.g5 Rh3 55.Kg4 Rh1 56.d5 Rg1 57.Kf4 Rf1 58.Ke4 Re1 59.Kf4 Rf1 60.Kg4?? Rg1 61.Kh5 Re1 62.de6 Re5 63.Rd6 Re4 64.Ra6 Rb4 65.Ra8 Ke7 66.Ra7 Kf8 67.Rf7 Kg8 68.Kg6 Rb6 69.Rg7 Kf8 70.Kf6 Re6 71.Ke6 Kg7 72.h5 (72.h5 Kh7 73.Kf6 Kh8 74.Kg6 Kg8 75.Kh6 Kh8 76.g6 Kg8 77.g7 Kf7 78.Kh7 Kf6 79.h6 Kf5 80.Kg8 Ke5 81.Kf7 Ke4 82.h7 Kf3 83.h8Q Kg3 84.g8Q Kf3 85.Qc3 Kf4 86.Qgg3 Ke4 87.Qge5#) 1–0. Grau – Martinez, Spain, 1991.

8.g3 Bg4 9.Bg2 Re8 10.0–0 Qe7 11.e3 Rad8 12.d4 h6 13.a4 Na5 14.Ba3=+ Ba3 15.Na3 b6 16.Qc2 Rd6 17.Ne5 Be6 18.Nb5+/– Rdd8 19.Na7 Nb4 20.Qc3 Rc8?? 21.Nc8+– Rc8 22.Nc6 Nbc6 23.Bc6 Bc4 24.Rfb1 Qe6 25.d5 Qe4 26.Rb4 f6 27.Bb5 (27.Bb5 Qd5 28.Bc4 Nc4 29.Rc4+–) 1–0. Nemec,Zdenek – Simunek,Jiri, CSR Z–77, 1987.

8.a3 Ba5

9.Nc3 Re8 10.Qa4 Nc3 11.Bc3 Bc3 12.dc3 Qf6 13.Rc1 Bg4?? (Better is 13...Be6=+) 14.Qg4+– Ne5 15.Ne5 Qe5 16.e3 Rad8 17.Be2 f5 18.Qb4 f4 19.Qc4 Kh8 20.Qf4 Qf4 21.ef4 Re4 22.f3 Re3 23.Kf2 Rde8 24.Rhe1 h6 25.Bd3 Re1 26.Re1 Rd8 27.Bg6 Kg8 28.Re7 Kf8 29.Rf7 Kg8 30.Rc7 Kf8 31.Rf7 Kg8 32.Rb7 Kf8 33.Rf7 Kg8 34.Ra7 Kf8 35.Ke3 Rc8 36.Kd4 Rd8 37.Kc5 Rc8 38.Kd6 Rc3 39.Ra8 1–0. marre (2050) – Analogue_Bubble_Bath (1710), GameColony.com, 2003.

9.e3 Qd6 10.Qc2 Bg4 11.Bb5 Nce7 (11...Bh5 12.0–0–/+) 12.Be2 Bf5 13.Qa4 Bb6 (13...Qb6 14.Qd4 f6 15.Qb6 cb6 16.Nd4+=) 14.0–0= Rad8 (14...Rfe8 15.Nc3=) 15.Qc4 (15.Nc3 Qc6 16.Nd5 Rd5= (16...Qa4? 17.Ne7 Kh8 18.Nf5+–; 16...Qd5?! 17.Bc3=; worse is 16...Nd5 17.Qc6 bc6 18.Rac1+=)) 15...Qc6 16.Qc6 Nc6 17.d4 Rfe8 18.Bb5 Re6 (18...a6 19.Ba4+=) 19.Nbd2= Bg6 (19...Ba5 20.Rac1=) 20.Ng5 Re7 21.Bc6 (21.Ngf3 Re6=) 21...bc6+= 22.Rac1 f6 23.Ngf3 Re6 24.Nb3 Kf7 (24...Rb8 25.Rfd1+=) 25.a4 a6 26.Ba3 Rb8 27.Nfd2 Rbe8 (27...Bd3 28.Rfe1 Rb7 29.g3+/–) 28.h3 Bd3 29.Rfd1 Be2 30.Re1 Bd3 31.a5 Ba7 32.Bc5 Bb8 33.Nf3 g5 34.Kh2 h5 35.Red1 Bb5 36.Nbd2 Nb6 37.Ba3 Nd5 38.Bc5 Nb6 39.Nb3 Nd5 40.Nfd2 Be2 41.Re1 Bd3 42.Ba3 Ba7 43.g3 Kg6 44.Bc5 Bb8 45.Ba3 Ba7 46.Kg1 Kf7 47.Kg2 Kg7 48.Kg1 Kf7 49.Kg2 Kg7 50.Nc5 Bc5 51.Rc5 g4 52.Rcc1 f5 53.Nb3 Be4 54.Kh2 h4 55.Nc5 hg3 56.Kg3 Rg6 57.h4 Rh8 58.Ne4 fe4 59.Rh1 Rf6 60.h5 Rg8+= 61.Rh4 Rf3–/+ 62.Kg2 Kh7 63.Rf1 Rg5 64.h6 Rg6–/+ 65.Bc5 Rgf6–+ 66.Rg4 Ne3 67.fe3 Rf1 68.Re4 R1f5 69.Rg4 Kh6 70.Kh3 Rg6 71.e4? Rf3 72.Kg2 Rb3 73.Bf8 Kh5 74.Rg6 Kg6 75.Kf2 Rb5 76.Be7 Ra5 77.Ke3 Rb5 78.Kd3 Kf7 79.Bc5 Rc5! 80.dc5 a5 81.Kc4 a4 82.Kb4 a3 83.Ka3 Ke6 84.Kb3 Ke5 85.Kc3 Ke4 0–1. Baumann,Walter (2050) – Davidson,Jamie (2095), WS/H/182 ICCF, 2009.

9.e3 Qd6 10.Qc2 Bg4 11.Be2 Rad8 +=.

9.e3 Qd6 10.Qc2 Bg4 11.Ng5 Qh6 12.h4 Rad8 13.Bc4 Nde7 (13...Rfe8 14.Qb3 Qd6 15.0–0–/+) 14.Qe4 (14.Qb3 Qg6 15.f3–/+) 14...Bf5+= 15.Qf4 Qd6 16.Qd6 Rd6 17.h5 (17.e4 Bg4+=) 17...b5 (17...h6 18.Nf3+=) 18.Be2 (worse is 18.Bb5 Rb8 19.a4 a6–/+) 18...Rfd8 (18...Bb1 19.Rb1 Rd2 20.Kf1+=) 19.Nf3 (19.Bb5? Rd2 (19...Bd2?! 20.Nd2 Rd2 21.Bc3+=) 20.Nd2 Rd2 21.Bg7 Rb2 22.Kf1 Rb5–+) 19...Bg4 (19...a6 20.Nc3+=) 20.Kf1+= Rh6 (20...a6 21.d4+=) 21.Rh4 Bh5 (21...Bf3 22.gf3 Bd2 23.Rg4+=) 22.g4= (worse is 22.Bb5 Rb8 23.Bc6 Rb2–/+) 22...Bg6 23.Rh6 gh6 24.d4 (24.Bb5? Rb8 25.a4 a6–+) 24...h5 (24...Nd5 25.Nbd2 (worse is 25.Bb5 Nce7–/+) 25...Nce7 26.Rc1= (26.Bb5? Rb8 27.a4 c6–+)) 25.gh5 Bh5 26.Nbd2 a6 27.Ne4= Nd5 28.Rc1 Nce7 29.Ne5 Bg6 30.Bf3 Bf5 31.Ke2 Be4 32.Be4+= f5 33.Bf5 Nf5 34.Nc6 Re8 35.Na5 Nf4 36.Kf3 Nd3 37.Rg1 Kf8 38.Ba1 Re7 39.Rd1 Nh4 40.Ke2 Nf4 41.Kf1 Nh3 42.d5 Nf3 43.Nc6 Rd7 44.Nb8 Rd6= 45.Bc3 Kg8 46.Ba5+/– Rf6 47.Bc7+– Nh2 48.Kg2 Ng4?? 49.d6 Ng5 50.d7 (50.d7 Nf7 51.d8Q Nd8 52.Rd8 (52.Bd8?! Rf2 53.Kg3 Ne3+–) 52...Kg7 53.Rd7 Kg8 54.Bf4+–) 1–0. Blittkowsky,Ralf (1780) – Albesa,Alfredo, OP–2012–0–02005, 2012.

9.e3 Qd6 10.Qc2 g6 11.Nc3 Bf5 12.Nd5 Qd5 13.Qc4 =.

9.e3 Re8 10.Be2 Bf5 11.Qb3 Qd7 12.h3 Rad8 13.0–0 Nb6 14.d4 Bh3? 15.gh3 Qh3 16.Qf7! Kf7 17.Ng5 Kg8 18.Nh3 Rd6 19.Nf4 Ne7 20.Nc3 Ng6 21.Nh5 c6 22.Rad1 Nh4 23.Kh1 Rh6 24.Rg1 Re7 25.Rg5 Bc3 26.Bc3 Nd5 27.Bd2 Kf8 28.Kg1 Rg6 29.Rg6 Ng6 30.Rb1 Ke8 31.f3 Nf8 32.e4 g6 33.Bc4 Nb6 34.Nf6 Kd8 35.Bg5 h6 36.Bh6 Nc4 37.Bf8 Rf7 38.Bh6 Kc8 39.Bg5 Na3 40.Rc1 Nb5 41.d5 Kb8 42.Bf4 Ka8 43.Be5 a6 44.dc6 bc6 45.Rc6 Kb7 46.Rc2 Re7 47.Bb2 Re6 48.Rg2 Rd6 49.f4 Rd1 50.Kh2 a5 51.Rg6 a4 52.Nd5 1–0. Mitrus,Cezary – Hoszowski,Piotr, corr AMM Poland 1990–92.

9.e3 Bf5 10.Qb3 –/+.

9.e3 Bg4 10.Be2 Re8 11.0–0 Qe7 (--> 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 Bg4 10.0–0 Qe7 11.a3 Ba5).

8.a3 Bd6

9.Qb3 Be6 10.Qb7 Qb8 11.Qb8 Rfb8 12.Bc3 Bf5 13.d3 Nc3 14.Nc3 Rb3 15.Nb1 Rab8 16.Nbd2 Ra3 17.Ra3 Ba3 18.h3 Rb2 19.Kd1 Na5 20.g4 Bd7 21.e4 c5 22.g5 (Better is 22.Bg2 Bb5 23.Ke2–+) 22...Ba4 23.Ke2 Nb3 24.Ke3 Rd2! 25.Nd2 Bc1 26.Ke2 Bd2 27.h4 Bb5 28.Kd1 a5 29.d4 Bf1 30.Rf1 cd4 31.Rg1 Bf4 32.f3 a4 33.Kc2 Nc1! 34.Rd1 d3 35.Kb2 d2 36.h5 g6 37.hg6 fg6 38.e5 Kf7 39.Ka3 Nd3 40.Ka2 Ke6 41.Ka3 Bg5 0–1. themonkey (2145) – DigitalPawn (2430), GameColony.com, 2002.

9.Qb3 Be6 10.Qb7 Qb8 11.Qb8 Rfb8 12.Bd4 Bg4 13.Nc3? Bf3–+ 14.gf3?! Nd4 15.Ra2 Ba3! 16.Nd1 Nb4 17.e3 Nf3 18.Ke2 0–1. Comet B25 – EXchess 3.11, 2004.

9.Qc2 Re8 10.Nc3 Ba3!–/+ 11.Nd5 Bb2 12.Qb2 Qd5 13.e3 a5 14.Be2 a4 15.0–0 Qd6 16.Ra3 Qg6 17.Rfa1= Bh3 18.Ne1 Bd7 19.Ra4 Ra4 20.Ra4 b6 21.d4 Bg4? 22.Bg4+– Qg4 23.Qb5 Qd7 24.Rc4 Ne5 25.Qd7 Nd7 26.Rc7 Nf6 27.Nf3 Kf8 28.Ne5 Re7 29.Rc8 Re8 30.Rc6 b5 31.Rb6 Ra8 32.g3 Ra1 33.Kg2 Rb1 34.Rb7 Ke8 35.Rf7 Ng4 36.Rg7 Ne5 37.de5 h6 38.Rh7 b4 39.Rh6 b3 40.Rh7 b2 41.Rb7 Kf8 42.f4 Kg8 43.f5 Kh8 44.e6 Kg8 45.Rb8 Kg7 46.e7 Rg1 47.Kg1 b1Q 48.Rb1 (48.Rb1 Kf7 49.f6 Kg6 50.e8Q Kf5 51.Rb5 Kf6 52.Qc6 Ke7 53.Rb7 Kf8 54.Qc8#) 1–0. Fritz 8 – Fritz 5.32, 2004.

9.Nc3 Be6 10.Nb5 Be7 11.Nbd4 Nd4 12.Nd4 Bf6 13.Qc2 Bd4 14.Bd4 Nb4 15.ab4 Qd4 16.Qc3 Rfd8 17.Qd4 Rd4 18.Rb1 a5 19.ba5 Ra5 20.e3 Rda4 21.d4 b6 22.Bd3 Ra2 23.h3 R5a3 Black gets the initiative 24.Rd1 g6 25.Be4 Bc4 26.Bf3 b5 27.d5 b4 28.h4 b3 29.g4 Rc2 30.Rb1 b2 31.Bd1 Rc1 32.Rb2 Rd1! 33.Kd1 Ra1 34.Kd2 Rh1 35.e4 Rh4 36.Rc2 Bb5 37.Ke3 Rg4 38.Rc5 Ba4 39.Rc4 Bd1 40.Rc1 Rg1 41.Rc7 Kg7 42.f4 h5 43.Kf2 Rg4 44.Ke3 h4 45.d6 Rg3 46.Kf2 Bg4 47.Rb7 Rd3 48.e5 Rf3 49.Kg1 Rf4 50.Rb5 Re4 51.Ra5 Re1 52.Kf2 Re2 53.Kg1 h3 (53...h3 54.Ra3 Re5–+) 0–1. Pierred – Steel,Fritz 7 (2350), Rated game, 3m + 0s, 2005.

9.d3 Re8 10.Nbd2 Bf5 Black gets strong initiative 11.e4 Nf4 12.g3 Ng6 13.Bg2 Be5–/+ 14.Ne5 Nge5 15.0–0 Bg4 16.Qc2 Qd3 17.Rfc1 Rad8 18.Nb3 Qc2 19.Rc2–/+ Nf3 20.Kh1 Re4 21.h3 Bh5 22.g4 Re1 23.Re1 Ne1 24.Re2 Ng2 25.Kg2 Bg6 26.Nc5 b6 27.Na4 h5 28.g5 a5 29.h4 Bd3 30.Re3 Bc4 31.Kg3 Rd2 32.Rc3?! b5 33.Bc1 Rd4 34.Nc5 b4 35.Be3 bc3 (35...bc3 36.f3 c2–+) 0–1. Coope,Derek – Bilsel,Sabahaddin, GT–04–0012 A, 2004.

9.e3 Re8 10.Nc3 Nf4 11.d4 Bf5 12.g3 Nh3 13.Nb5 Qf6 14.Nd6 cd6 15.Bh3 Bh3–/+ 16.Nd2 Nd4 17.Rc1 Re7 18.Rc4 Nf3 19.Nf3 Qb2 20.Ng5 Qb5 21.Rh4 Qc6 22.Rg1 Bf5 23.Nf3 Be4 24.Ng5 Bc2 25.Qe2 Rc8 26.Rd4 h6 27.Nh3 Ba4 28.Qd2 Rec7 29.Rd6 Qf3 30.Rd8 Rd8 31.Qd8 Kh7 32.Qd3 g6 33.Rf1 Rc3!! 34.Qd2 Ra3 35.Qd4 If White now only could play Nf4... 35...Ra2 36.Nf4 Qc6 (36...Qc6 37.Nd3 Qc2 38.Qh8 Kh8 39.Nb2 Ra1 40.Nd1 Rd1) 0–1. Wajnberg,Piotr (1895) – Burlant,Richard (1965), Telechess CBM, 2003.

9.e3 Re8 10.Bc4 Nb6 11.Ba2 Bf5 12.Nc3 Bd3 13.Nd5 Nc4 14.Bc4 Bc4 15.Nc3 Ne5 16.Ne5 Be5 17.Rc1 b5 18.Qc2 Bd3 19.Qb3 c5 20.Na2?? c4 21.Qb4 Qg5 22.Rc3 Qg2 23.Rd3 Qh1 24.Ke2 cd3 25.Kd3 Bb2 26.Qb2 Qd1 27.Kc3 Rac8 28.Kd3 Qf1 29.Kd4 Qc4# 0–1. fantom – pierre, ChessHere.com, 2006.

9.e3 Re8 10.Be2 Bg4 11.Nc3 Be6 12.Ne4 Bg4 13.d3 Be7 14.0–0 Qd7 15.Qc2 Rad8 16.Rfe1 a6 17.Nc5 Bc5 18.Qc5 b6 19.Qc2+= b5 20.Rac1 Re6 21.Qc5 Rd6 22.h3 Bf3 23.Bf3+= White gets strong initiative 23...Re6? 24.Bg4+– f5? 25.Bf5 Rde8 26.e4 Nf4 27.Qe3 Nd3 28.Rcd1 Nce5 29.Be5 Qe7 30.Be6 Qe6 31.Qd3 (31.Qd3 Qe5 32.Qd5 Qd5 33.ed5+–) 1–0. Fritz 8 – Fritz 5.32, 2004.

8.a3 Be7

9.Qc2 Bg4 10.e3 Qd7 11.Nc3 Bf5 12.e4= Nc3 13.Bc3 Bg4 14.Qb2 Qe6 15.d3 f5 16.Nd2 fe4+= 17.de4 Bh4 18.g3 Bg5 19.f4 Rf4 20.Bc4?? 20...Re4!!–+ 21.Ne4 Qc4 22.Qa2 Qa2 23.Ra2 Re8 24.Kf2 Re4 25.Re1 Rc4 26.Bd2 Bf6 27.Rb1 b6 28.Bf4 Nd4 29.Re1 c5 30.Re3 Kf7 31.Be5 Nc2 32.Rc3 Rc3 33.Bc3 Nd4 34.Ke3 Bg5 35.Kf2 Ke6 36.Kg2 Bf3 37.Kf2 Bd5 38.Ra1 Nc2 39.Rd1 Na3 40.Ra1 Nb5 41.Bg7 c4 42.Ke2 Be4 43.h4 Bd3 44.Kf2 Be7 45.Re1 Kf7 46.Be5 a5 (46...a5 47.Kf3 a4–+) 0–1. Fritz 8 – Fritz 6, 2004.

9.e3 Bf5 10.Be2 Qd6 11.0–0 Qg6 12.d4 Rad8 13.g3 a6 14.Re1 Bc2 15.Qc1 h5 16.Nbd2 h4 17.Bf1 hg3 18.hg3 Nf6 19.Bg2 Bd3 20.e4+/– Ne4 21.Ne4 Be4 22.Ne5 Ne5 23.Be4 Qb6? 24.de5+– c6 25.Kg2 Bc5 26.Rh1 (26.Rh1 Rfe8 27.Rh7+–) 1–0. Buczinski,Henryk – Kover Dr,Warner Bruce, corr, 2004.

9.e3 Bf5 10.Be2 Qd6 11.Nc3 Rad8 12.0–0 Qg6 13.Rc1 Nc3 14.Rc3 Rfe8 15.d4 Be4 16.Bd3 Bd3 17.Rd3 Rd5 18.Qb3 Red8 19.e4 Qe4 20.Re3 Qg6 21.Qb7 Bf8 22.Qc7 Bd6= 23.Rfe1 f5 24.Qb7 Rb8 25.Qa6 Nd4 26.Qa7 Nf3 27.Rf3 Qf7 28.Qf7 Kf7 29.Bc1 Rb1 30.g3 Rc5 31.Bd2 Re1 32.Be1 Rc1 33.Kf1 g6 34.Rd3 Bc5 35.Rd7 Kg8 36.Ke2 Ba3 37.Bd2 ½–½. marekt – PatzerBernie2, ChessWorld.net, 2009.

9.e3 Bg4 10.Nc3 Ne5 11.Nd5 Qd5 12.Be5 Bf3 13.Qf3 (13.Qf3 Qe5 14.Rb1+=) 1–0. Balazs,Csaba (2105) – Lozano Diaz,Antonio (2180), ICCF FM/0362, 2006.

9.e3 Bg4 10.Be2 Bf6 11.d4 Re8 12.0–0 Qe7 13.Qb3 Nb6 14.Nbd2 Rad8 15.Bd3 g6 16.Rac1 a6 17.Rc5 Be6= 18.Qc2 Ra8 19.Be4+= Bd7 20.h3 Rec8 21.Re1 Qd6 22.Ne5 White launches an attack 22...Be5 23.de5 Qe6 24.Nf3 Rd8 25.Bc6 Bc6 26.Nd4 Qd7 27.Nc6 bc6 28.Rc6 Qd2 29.Rc1 Qc2 30.R1c2 Rd1 31.Kh2 Nd5 32.e4 Nf4 33.Rc7 Ne6 34.Rc8 Rc8 35.Rc8 Rd8 36.Rd8 Nd8 37.Kg3 Kf8 38.f4 Ne6 39.Kf3 Ke7 40.f5 Nc5 41.Bc3 Kd7 42.Kf4 h6 43.e6 (43.e6 fe6 44.fg6+–) 1–0. Mitrus,Cezary – Kwiek,Janusz, corr 1. AMM Poland, 1992.

8.e3

8.e3 (--> 6.e3 d5 7.cd5 Nd5 8.Nf3).

8.e3 a6 9.Be2 Be6 10.0–0 Re8 (--> 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 10.0–0 a6).

8.e3 Re8 (--> 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).

8.e3 Re8 9.Be2 Be6 10.0–0 Bd6 (--> 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 10.0–0 Bd6).

8.e3 Re8 9.Be2 Qe7 (--> 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 Qe7).

8.e3 Bg4 9.Be2 Re8 (--> 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 Bg4).

7.e3

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

7.e3 Be6 8.cd5 Nd5 (--> 6.e3 d5 7.cd5 Nd5 8.Nf3 Be6).

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

7.e3 Re8 8.a3 Ba5 9.Be2 Bg4 10.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bg4).

7.e3 Re8 8.Be2 dc4 9.Bc4 Bg4 10.0–0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0–0 7.Nf3 Re8 8.0–0 Bg4 9.c4 dc4 10.Bc4).

7.e3 Re8 8.Be2 Bg4 9.0–0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0–0 7.Nf3 Re8 8.0–0 Bg4 9.c4).

6.Nf3 d6

7.Qc2 Re8 8.a3 Ba5 9.e3 +=.

7.Qc2 h6 8.h4 (8.a3 Ba5+=) 8...Nh7 (8...Bg4 9.Nc3+=) 9.e3 f5 (9...Nf6 10.a3 Ba5 11.Be2+=) 10.Bd3 Qe7 (10...Bc5 11.a3=) 11.Nc3 Bc3 12.Bc3 Ne5 13.Be2 Nf3 14.gf3 Nf6 15.Bd3 f4 16.e4 (16.Rg1 Be6=) 16...Nd7 17.0–0–0 Ne5 18.Be2 Bd7 (18...c5 19.Rdg1+=) 19.Rdg1 (19.d4 Nc6=) 19...Rf7 (19...c5 20.Qb3+=) 20.d4= Nc6 21.h5 Kh8 22.Qb2 b6 23.Rg6 Re8 24.c5 (24.Bd3!?=) 24...bc5+= 25.dc5 Ne5 26.cd6 cd6 27.Rg2 Rff8 (27...d5 28.Rd1 de4 29.Be5 Qe5 30.Qe5 Re5 31.fe4 Rc5 32.Kb2–/+) 28.Rhg1 Rb8 29.Qa1 Rg8 30.a4 Qe6 (30...Be8 31.Kd2+=) 31.Kd2 (31.Rg6 Qe7 (31...Ng6?? 32.Rg6 Qg6 33.hg6+–) 32.Bc4 Ng6 33.Rg6 Kh7+=) 31...Qb3 The isolani on a4 becomes a target 32.a5 (worse is 32.Be5 de5 33.Bd1 Qb6–/+) 32...Ba4 (32...Qf7 33.Qa3+=) 33.Rc1= (33.Be5 Qc2 34.Ke1 Rb1 35.Qb1 Qb1 36.Kd2 Qc2 37.Ke1 Qc1 38.Bd1 Qd1) 33...Rb7 (33...Bd7 34.Rgg1=) 34.Bd1 (34.Be5 de5 35.Qe5 Qa2 36.Ke1 Rb1–+) 34...Qb5 Do you see the mate threat? 35.Be5 de5? (better is 35...Bd1 36.Bg7 Rgg7 37.Rd1 Qb4 38.Ke2 Qb5 39.Ke1 Qb4 40.Kf1 Qb5 41.Ke1 Qb4 42.Kf1 Qb5 43.Ke1=) 36.Qa4?? (better is 36.Ba4 Qa5 37.Ke2+–) 36...Qf1–+ Threatening mate: Rd8 37.Rg6 (37.Rc5–+) 37...Qf2 38.Kc3 Qb2 39.Kc4 Qc1 40.Kd5–+ Qc7 41.Rd6 Rgb8 42.Ke5 (42.Qc6 Qa5 43.Ke6 Rb6–+) 42...Qe7 43.Kd5 Rb5 44.Qb5 Rb5 45.Kc4 Qd6 46.Kb5 Qd1 47.Ka6 Qf3 48.Ka7 Qe4 49.a6 f3 50.Kb8 f2 51.a7 0–1. Jolayxvort,J – Mueller,Leonhard1, Dortmund, 1987.

7.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d6 6.Bb2 Nc6 7.Nf3).

7.g3 Bc5 8.Bg2 Be6 9.Qc1 Re8 10.0–0 Bg4 11.e3 Bf5 =.

7.g3 d5 A) 8.a3 A1) 8...Bd6 9.cd5 Nd5 10.Bg2 Be6 11.0–0 Nb6+=; A2) 8...Bc5 9.cd5 Nd5 10.Qc2 Qe7 11.Nc3 Rd8+=; A3) 8...Be7 9.cd5 Qd5 10.Nc3 Qh5 11.Qb3 Rb8+=; B) 8.cd5 Nd5 9.Bg2 (9.a3 Be7 10.Bg2 Re8 11.Nc3 Bf6+=) 9...Re8 10.a3 Be7 11.Nc3 Bf6+=.

7.g3 Be6 8.Qc2 (8.a3 Ba5 9.Qc2 Nd7 10.h4 f6 11.Bh3 Qe7+=) 8...Bc5 9.a3 Ne5 10.Ne5 de5 11.e3 Nd7 +=.

7.g3 Re8 8.Bg2 (8.a3 Bc5 (8...Ba5 9.Bg2 Qe7 10.e3 d5 11.cd5 Nd5+=) 9.d4 Bb6 10.Bg2 d5 11.Nbd2 Ne4+=) 8...Be6 (8...Qe7 9.a3 Ba5 10.Nc3 Be6 11.Qb3 Bb6+=; 8...Re4 9.a3 Ba5 10.Qc2 Re8 11.Ng5 h6+=; 8...d5 9.cd5 (9.a3) 9...Nd5 10.0–0 Be6 11.Qc2 Bd6+=) 9.Qc2 Na5 (9...Bg4 10.e3 d5 11.a3 Bc5+=) 10.a3 (10.Qa4!? Bc4 11.Qb4 Re2 12.Kd1 Rf2 13.Nh4+=) 10...Bc4–/+ 11.0–0 (11.e3 Bc5–/+) 11...Bc5 12.d3 Be6 13.Nbd2 Bb6 14.Rfe1 d5 15.e3 c5 16.Rac1 Rc8 17.Qb1 Nc6 18.Red1 Nd7 19.e4 (19.d4!?–/+) 19...d4–+ 20.Ne1 Nde5 21.Ndf3 (21.h3 Nd7–+) 21...Bb3 (21...Ng6 22.Qc2–+) 22.Rd2 Nf3 23.Nf3 Be6 24.Ne1 Rc7 25.f4 g6 (25...f5 26.e5–+) 26.Nf3 f6 27.Re2 (27.Rf2 Rce7–/+) 27...c4–+ 28.Kh1 (28.Rce1 Ba5 29.Rf1 b5–+) 28...c3 29.Bc3 (29.Ba1 Qe7–+) 29...dc3 30.Rc3 Rd7 31.a4 (31.h3 Nd4 32.Nd4 Bd4–+) 31...Ba5 32.Rc1 Rd3 33.Rb2 Bb6 34.h3 (34.e5 fe5 35.fe5 Ra3–+) 34...Ra3 (34...Ra3 35.Rd2 Qc7–+) 0–1. Szytko,Jerzy – Klonowski,Edward, corr Warszawa Poland, 1998.

7.a3 Ba5

8.Qa4 a6 9.e3 Bd7 10.Be2 b5 11.cb5 ab5 12.Qc2 b4 13.0–0 Qb8 (13...Re8 14.ab4 Nb4 15.Qc4=) 14.Bf6 (14.Bc4 ba3 15.Bf6 gf6 16.Ra3 Kg7+=) 14...gf6 (14...b3!? 15.Qb2 gf6+=) 15.ab4+= Bb4 (15...Nb4 16.Qc4+=) 16.Nc3 Ne7? (16...Bc3 17.Qc3 Ra1 18.Ra1+/–) 17.Rab1?? (17.Ne4 Kg7 18.Nf6 Ra1+–) 17...c5?? (better is 17...f5+/–) 18.Ne4+– Qc8?? (18...Kg7 19.Nf6 Kf6 20.Qb2 Ke6 21.Ng5 Kd5 22.Bf3 Kc4 23.Nh7 Kb5 24.Nf8 Qf8 25.Ba8 Qa8+–) 19.Nf6 (19.Nf6 Kg7 20.Qb2+–; 19.Nd6?! Qc6 20.Nc4 Qe6+/–) 1–0. Szkodnikow_i_ofiar – Haroldlee123, ChessWorld.net, 2015.

8.Qa4 a6 9.e3 Bd7 10.Be2 b5 (10...d5!?=) 11.cb5+= ab5 12.Qc2 (12.Qf4 Na7+=) 12...b4 (12...Rb8 13.0–0=) 13.Ng5+= b3 14.Qb3 h6 15.Nf3 Qe7 16.0–0 Ne5 17.d4 Nf3 18.Bf3 White gets the initiative 18...Rab8 19.Qc2 d5 (19...Rfc8 20.d5+/–) 20.Bc3 Bc3 21.Nc3 c6 22.Na4 Ne4 (22...Rb5 23.Rfc1+–) 23.Be4 de4 24.Nc5 f5 25.Rfc1 Rf6 26.g3 (26.a4 Rg6+–) 26...h5 (26...Be6 27.a4+–) 27.Rab1 Rd8 28.Rb7 h4 29.Qb3 Kh7 30.a4 Rh6 31.Nd7 (31.a5!? Qe8+–) 31...Rd7 32.Rb8 Rd8 33.Rd8 (33.Rc5 Rb8 34.Qb8 hg3 35.hg3 Rh5+–) 33...Qd8+/– 34.Qf7 Qa5 35.Qc4 (35.Kg2 Rf6 36.Qh5 Rh6+–) 35...hg3 (35...Qd8!?+/–) 36.hg3+– (worse is 36.fg3 Qd2 37.Rc2 Qe3 38.Kf1 Qf3 39.Ke1 f4–/+) 36...f4 37.Qc5 (37.ef4?? Qh5 38.Kf1 Qf3–+; 37.gf4? Qh5 38.Kf1 Qf3–+) 37...Qd2 38.ef4 (38.gf4 Rg6 39.Kh1 Qf2 40.Qh5 Rh6 41.Qh6 gh6 42.Rc6 Qf3 43.Kh2 Qe3 44.Rc7 Kg6 45.f5 Kf5 46.Rf7 Ke6–+) 38...Qe2 (38...Qd3 39.Qc3 Rd6 40.a5+–) 39.Qf5 Kg8 40.Rb1 Do you see the mate threat? 40...Rf6 41.Rb8 Kf7 42.Qd7 Kg6 43.Rb7 Qd1+/– 44.Kh2 Threatening mate... how? 44...Qh5 45.Qh3 Qf3 46.Qg2 Qh5 47.Kg1 Qd1 48.Qf1 Qd4 49.a5 Rf5 50.a6 Ra5 51.Qe2 Kh6 52.Re7 Ra2 53.Qe3 Qe3 54.fe3+/– Ra6 55.Re4 Kh5 56.f5 Ra2 57.Kf1 Kg5 58.g4 Rc2 59.Ke1 Rg2 60.Rc4 ½–½. Jamieson,I – McCarthy,T, ch–IRL Dublin IRL, 2007.

8.e3 Re8 9.Be2 Ne5 10.0–0 c6 11.Nc3 Be6 12.d3 Nf3 13.Bf3 d5 14.Qa4 (14.cd5 cd5 15.Rb1 a6+=) 14...Bc7 15.cd5 Nd5 16.Nd5 Bd5 17.Qg4 Be5 18.Be5 Re5 19.Bd5 Rd5 20.d4 Qd6 21.Rab1 b6 22.Rfc1 Ra5 23.Rc2 Ra3 24.Rbc1 Ra5 25.g3 (25.Qg3 Qg3 26.hg3 c5–/+) 25...c5 26.Rd1 Qe6 27.Qf3 White prepares d5 27...Rc8 28.d5 (28.dc5 Rac5 29.Rc5 bc5 30.Qb7+=) 28...Qf6 (28...Qd6 29.e4–/+) 29.Qg4 (better is 29.Qf6!? gf6 30.d6=) 29...Rd8–/+ 30.Kg2 Ra1 31.Rdd2 Qe5 32.Qc4 g6 (32...Rd6 33.Qd4 Qd4 34.ed4–/+) 33.Rd3 Rb1 34.f4 Qa1 (34...Qe7 35.Kf2–/+) 35.Rdd2 Rg1 36.Kf3 Qf1 37.Qf1 Rf1 38.Ke2 (38.Kg2 Rb1 39.e4 f6+=) 38...Rh1–/+ 39.Kf3 f5 40.e4 fe4 41.Ke4 Re1 42.Kf3 Kf7 43.Rc3 Rd6 44.Kf2 Re7 45.Kf3 Kf6 46.g4 g5 47.Rc4 h6 48.f5 Re5 49.Re4 b5 50.Ree2 Rdd5 51.Re5 Re5 52.Ra2 Re7–+ 53.Ra6 Kf7 54.Rh6–/+ b4 55.Rc6 b3–+ 56.Rc5 Rb7 57.Rc1 b2 58.Rb1 a5 59.Ke3 a4 60.Kd3 a3 61.Kc2 Rc7 (61...Rc7 62.Kb3 Rc1–+) 0–1. Jovanovic,Momir (1900) – Pappenheim,Rainer (1995), Munich–ch VM1, 2003.

8.e3 Re8 9.Be2 Bg4 10.0–0 Qe7 11.d4 Ne4 12.Qc2 Rad8 13.Nc3 ½–½. Wilk – Wong,Ray, corr 3GMM–23, 1996.

8.e3 Bf5 9.Be2 Re8 (9...d5 10.0–0=) 10.0–0 Ne4 (10...Qe7 11.Qb3=) 11.d4 (11.d3 Nc5=) 11...h6 (11...Qf6 12.Qb3=) 12.Qb3 Bb6 (12...Rb8 13.Nc3=) 13.Rd1 (13.Bd3 Bg6+=) 13...Qe7 (13...Na5 14.Qa4=) 14.Nc3 Nc3 15.Qc3 Qf6 (15...Rab8 16.Rac1 Ba5 17.Qb3+=) 16.c5+= dc5 17.dc5 Qc3 18.Bc3 Ba5 19.Ba5 Na5 20.Nd4 Bg6 21.Rac1 a6 22.c6 (22.a4 Be4+=) 22...b6 (22...b5 23.Rc5 Rad8 24.Kf1=) 23.h4 Be4 (23...Red8 24.h5 Be4 25.g3+=) 24.f3+/– Bg6 25.Kf2 h5 26.g3 (26.a4 Re5+/–) 26...Red8 (26...Re5 27.f4 Rc5 28.f5+/–) 27.a4 (27.f4!? Rd6 28.f5 Bf5 29.Nf5+/–) 27...Rd6+= 28.Rc3 f6 (28...f5 29.Bd3+=) 29.Rdc1 (29.f4 Kh7+=) 29...Kf7 30.Ke1 Bh7 31.f4 Kg6 32.Kf2 Bg8 (32...f5 33.Rd1+=) 33.g4 hg4 34.h5 (34.Bg4 Kf7+/–) 34...Kh7 (34...Kf7 35.Rg1+=) 35.Bg4 Bf7 (35...Bd5 36.Be2+/–) 36.Bf5 (36.Be2 Rd5+/–) 36...Kg8+= 37.Bg6 Kf8 38.Bf7 (38.Kf3 Bg8+=) 38...Kf7 39.Nf5 Rd2 40.Kf3 Rh8 41.Rg1 Attacks the backward pawn on g7 (41.Rh1 Rh7+=) 41...Rh7+/– (41...Rh5? 42.Rg7 (worse is 42.Ng7 Rh3 43.Ke4 Ra2+=) 42...Kf8 43.Rc7 Rf5 44.Rc8 Ke7 45.c7+–) 42.e4 Kf8 (42...Rd8 43.Rg6+=) 43.Kg4 (43.Rb1 Kf7 (43...Rh5? 44.Rb6 Rh3 45.Ng3+–) 44.Rb6 cb6+–) 43...Kf7+= 44.Rcc1 (44.Rh1 Ke6 45.Rb1 Ra2+=) 44...Nb3 (44...g6!? 45.hg6 Kg6 46.Kf3 Kf7+/–) 45.Rcd1+/– Rh8 (45...Ke6 46.Kf3+/–) 46.Kf3 (46.Rd2 Nd2 47.Rd1 Rd8+/–) 46...Rd1 (46...Rh7!?+/–) 47.Rd1+– Nc5 48.a5 ba5 49.Rd5 Ne6 50.Rd7 (50.Ra5?! Rh5 51.Nd6 cd6 52.Rh5 Nd4 53.Ke3 Nc6+=) 50...Kf8 51.Kg4 White intends Nh4 51...a4 52.Nh4 Ke8 53.Ng6 (53.Ng6 Nf8 54.Rc7 (54.Nh8 Nd7 55.cd7 Kd7–+; 54.Rg7?! a3 55.Rc7 Ng6 56.hg6 a2=) 54...Ng6 55.hg6+–) 1–0. Bilsel,Sabahaddin – Rogovsky,Daniel, GT–04–0011 B, 2004.

6.Nf3 Re8

7.a3 Ba5 8.e3 d5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5).

7.a3 Be7 =+.

7.Nc3 d5 8.cd5 Nd5 9.e3 Nf4 10.a3 Ba5 11.Qa4 Nd3 12.Bd3 Qd3 13.Rc1 (13.Qb5 Qg6 14.0–0 Bg4–/+) 13...Be6 14.Qe4 Bc4 (14...Rad8!?+=) 15.Qd3= Bd3 16.Ne2 (16.Na4 Bb6=) 16...h6 (16...Rad8 17.Bc3 Bb6 18.Nf4+=) 17.Nf4= Be4 18.Nd4 (18.Ke2 Bf3 19.gf3 Rad8=) 18...Nd4 19.Bd4 Rad8 20.Kd1 (20.Bc3 Bc3 21.Rc3 Bc6=) 20...Bc6 (20...g5!? 21.Nh5 Bg2 22.Nf6 Kf8 23.Ne8 Bh1–/+ (23...Ke8?! 24.Rg1 Bf3 25.Ke1=; worse is 23...Re8 24.Rg1 Bf3 25.Kc2+=)) 21.Bc3+= Bb6 22.h4 Bc5 23.Bg7 Ba3 24.Ra1 Kg7 (24...Bb4 25.Bd4=) 25.Ra3 a6 26.d4 Re4 27.Kc2 (27.Rd3 a5=) 27...Rf4+= 28.ef4 Rd4 29.Kc1 Rf4 30.f3 Rd4 31.g3 Kf6 32.Re1 Rd5 (32...Bd5 33.g4+=) 33.Rc3 (33.f4 h5+=) 33...Rd6 (33...a5 34.Rc4+=) 34.Rc4 (34.g4 a5+=) 34...Re6 35.Re6 Ke6 36.Kd2 Kd6 (36...a5 37.Ke3+=) 37.Rf4 Ke7 (37...Bd5 38.g4+=) 38.Rf5= Kf8 39.Rc5 (39.g4 Kg7=) 39...Kg7 (39...Bf3 40.Rc7 Bc6 41.Rc8 Kg7 42.Ra8+=) 40.Ke3 (40.f4 Kg6=) 40...f6 41.g4 Kf7 42.f4 White plans g5 42...Kg6 (42...Kf8 43.h5=) 43.f5 Kf7 44.Kf4 Ke8 (44...Ke7 45.g5 hg5 46.hg5+/–) 45.g5+/– hg5 46.hg5 Ke7 47.Kg4 (47.g6 Kf8+/–) 47...fg5 48.Kg5 Kf7 49.f6 Kf8 ½–½. Gravgaard,Joergen – Mrkvicka,Josef, CiF, 1999.

7.e3 a6 8.Be2 d5 9.a3 Bd6 10.cd5 (10.Qc2 dc4 11.Bc4 Be6+=) 10...Nd5 11.0–0 Be6 12.Qc2 Qd7 13.Bd3 f5 14.Ng5 (better is 14.Rc1!?+=) 14...Ndb4!–+ 15.ab4 Nb4 16.Qc3 Nd3 (16...Nd3 17.Ne6 Re6–+) 0–1. Landgraf,Manfred – Jacewicz,Grzegorz, corr 3GMM–30, 1995.

7.e3 d6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d6 6.Bb2 Nc6 7.Nf3 Re8).

7.e3 d5

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

8.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).

8.Be2 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.Be2 Bg4 9.0–0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0–0 7.Nf3 Re8 8.0–0 Bg4 9.c4).

7.e3 Bf8

8.Be2 d6

9.0–0 g6

10.d4 Bg7

11.Nc3 a6

12.a3 A) 12...Bf5 A1) 13.Nh4 Bd7 (13...Bc8 14.Rb1 g5 15.Nf3 g4 16.Nh4+=) 14.Rb1 Rb8 15.Qc2 Ne4 16.Nf3=; A2) 13.Qb3 Rb8 14.Nh4 Bd7 15.Qc2 Qe7 16.Rae1=; A3) 13.Rc1 Rb8 (13...Ne4 14.Bd3 Qe7 15.Nd5 Qd8 16.Qc2+=; 13...h6 14.Bd3 Bd3 15.Qd3 d5 16.cd5+=; 13...Ra7 14.Bd3 Qd7 15.Bf5 Qf5 16.Qc2+=; 13...Rc8 14.Bd3 Bd3 15.Qd3 d5 16.Rfd1+=; 13...Qe7 14.Bd3 Ne4 15.Nd5 Qd8 16.Qc2+=) 14.Bd3 Bd3 15.Qd3 d5 16.Rfd1+=; A4) 13.Qa4 Rb8 14.Rad1 Qe7 15.Rfe1 h6 16.Bd3=; A5) 13.Re1 Rc8 (13...Rb8 14.Bd3 Bd3 15.Qd3 d5 16.cd5+=; 13...h6 14.Bd3 Bd3 15.Qd3 d5 16.cd5+=; 13...Qe7 14.Bd3 Ne4 15.Rb1 Rab8 16.Nd5+=; 13...Ne4 14.Bd3 Qe7 15.Rb1 Rab8 16.Nd5+=; 13...d5 14.Rc1 dc4 15.Bc4 Ne4 16.Ne4+=; 13...Ra7 14.Bd3 Bd3 15.Qd3 d5 16.e4+=) 14.d5 Ne5 15.Ne5 Re5 16.Bd3+=; B) 12...Bg4 B1) 13.Rb1 Rb8 (13...Bf5 14.Bd3 Bd3 15.Qd3 d5 16.Rfe1+=; 13...Qd7 14.Re1 h6 15.d5 Na5 16.Bd3+=; 13...h6 14.Re1 Qd7 15.d5 Na5 16.Bd3+=; 13...Ra7 14.d5 Ne7 15.Re1 Nd7 16.Ne4+=; 13...Qe7 14.Re1 Rab8 15.h3 Bf5 16.Bd3+=; 13...d5 14.Ne5 Be2 15.Qe2 Qd6 16.Nc6+=; 13...Qc8 14.Re1 Qd7 15.Qc2 Na5 16.Nd5+=) 14.Re1 Na5 15.Qa4 c6 16.c5=; B2) 13.Re1 Bf5 (13...d5 14.h3 Bf5 15.Rc1 dc4 16.Bc4=) 14.Qb3 Na5 15.Qa4 c6 16.c5=; B3) 13.Qb3 Na5 (13...Rb8 14.Rfd1 Qd7 15.Rac1 Na5 16.Qb4=) 14.Qa4 c6 15.c5 dc5 16.dc5=; B4) 13.Rc1 Na5 (13...Rb8 14.Re1 Bf5 15.Bd3 Qd7 16.Qc2+=; 13...Rc8 14.Re1 Bf5 15.Bd3 Bd3 16.Qd3+=; 13...b6 14.Bd3 Qd7 15.h3 Bf5 16.d5+=; 13...h6 14.Re1 Bf5 15.Bd3 Bd3 16.Qd3+=; 13...Ra7 14.Re1 Bf5 15.Bd3 Qd7 16.Nd5+=; 13...Qe7 14.Nd5 Qd8 15.Nf6 Qf6 16.Rb1+=; 13...Bf5 14.Bd3 Bd3 15.Qd3 d5 16.Rfe1+=; 13...Bc8 14.Bd3 Rb8 15.Nd5 Nd5 16.cd5=) 14.Qa4 Nc6 15.Rfd1 Rb8 16.Nd5=; C) 12...Rb8 C1) 13.Rb1 Bg4 (13...Bf5 14.Bd3 Bd3 15.Qd3 d5 16.Rfd1+=) 14.Re1 Na5 15.Qa4 c6 16.c5=; C2) 13.Re1 Bg4 (13...d5 14.Rc1 dc4 15.Bc4 Na5 16.Ba2+=; 13...Bf5 14.Bd3 Bd3 15.Qd3 d5 16.cd5+=) 14.Rb1 Na5 15.Qa4 c6 16.c5=; C3) 13.Bd3 d5 14.cd5 Nd5 15.Qc2 Nc3 16.Bc3=.

12.Qb3 Rb8 A) 13.Rfe1 h6 (13...Bg4 14.h3 Bf5 15.d5 Ne5 16.Nd4=; 13...Bf5 14.Rad1 Ne4 15.Ne4 Be4 16.Nd2+=) 14.Rad1 Bf5 15.Nh4 Bd7 16.a3=; B) 13.a3 Na5 (13...Bf5 14.Nh4 Bd7 15.Qc2 Qe7 16.Rad1=) 14.Qa4 c6 15.Qb4 Be6 16.Ng5=; C) 13.Rfd1 Bf5 14.d5 Ne5 15.Ne5 Re5 16.Na4=; D) 13.Rad1 Bf5 14.Nh4 Bd7 15.a4 Na5 16.Qb4=; E) 13.Nd5 Bf5 14.Rfd1 Nd5 15.cd5 Ne7 16.Nd2=; F) 13.d5 Ne7 (13...Ne5 14.Ne5 Re5 15.Bd3 Re8 16.Ne2=) 14.e4 Nd7 15.Rfe1 Nc5 16.Qb4=; G) 13.Rac1 Bd7 (13...h6 14.a3 Bf5 15.Rfd1 Qd7 16.Nd5=; 13...Bg4 14.Rfd1 Bf5 15.d5 Ne5 16.Ne5=; 13...Bf5 14.Rfd1 h6 15.Nh4 Bd7 16.Rb1=) 14.Rfd1 Bf5 15.Nh4 Bd7 16.Rb1=.

12.Rc1 Ra7 A) 13.d5 Ne5 (13...Ne7 14.a3 Ne4 15.Ba1 Nc5 16.Na4+=) 14.Ne5 Re5 15.Bf3 Ra8 16.Ne4+=; B) 13.Qd2 Bf5 (13...Bg4 14.d5 Na5 15.Qd4 b6 16.Qf4+=; 13...Bd7 14.Rfe1 Bf5 15.d5 Ne5 16.Nd4+=) 14.d5 Ne5 15.Ne5 Re5 16.Bd3=; C) 13.a3 Bf5 (13...Bg4 14.h3 Bf5 15.Nh4 Bd7 16.Bd3+=) 14.Bd3 Qd7 15.Bf5 Qf5 16.Qc2+=; D) 13.Re1 Bf5 (13...h6 14.d5 Ne7 15.Rb1 Bf5 16.Bd3+=; 13...Bg4 14.d5 Bf3 15.Bf3 Ne5 16.Be2+=; 13...Bd7 14.a3 Bf5 15.Bd3 Qd7 16.Rb1+=; 13...b6 14.a3 Bd7 15.Rb1 Bf5 16.Bd3+=) 14.Bd3 Qd7 15.a3 h6 16.Rb1+=.

12.Rc1 Rb8 A) 13.Re1 h6 (13...Bg4 14.a3 Bf5 15.Bd3 Qd7 16.Bf5+=; 13...Bd7 14.a3 Bf5 15.Bd3 Qd7 16.Qc2+=; 13...Bf5 14.a3 Ne4 15.Ne4 Be4 16.Nd2+=; 13...Re7 14.a3 Re8 15.Bd3 h6 16.Nd5+=) 14.d5 Ne5 15.Ne5 Re5 16.Bd3=; B) 13.Qb3 Bd7 (13...Bg4 14.Rfd1 Na5 15.Qa4 Nc6 16.a3=; 13...Bf5 14.Rfe1 Qd7 15.Nd5 Ne4 16.Nh4=) 14.Rfd1 Bf5 15.Nh4 Bd7 16.Rb1=; C) 13.Nd5 Bf5 (13...Be6 14.Nf4 Bf5 15.Bd3 Bd3 16.Nd3+=; 13...Bg4 14.Qb3 Ne4 15.Rfe1 Bf3 16.Bf3+=; 13...h6 14.a3 Nd5 15.cd5 Ne7 16.Qb3+=; 13...Ne4 14.Nd2 Nf6 15.Bf3 Bf5 16.Qb3=; 13...Nd5 14.cd5 Ne7 15.Qb3 Bf5 16.Nd2+=; 13...Bd7 14.Qb3 Bf5 15.Rfd1 Na5 16.Qc3=; 13...a5 14.Nf6 Qf6 15.Bc3 Qe7 16.Rb1+=) 14.Bd3 Bg4 15.h3 Be6 16.Nf4=; D) 13.Qa4 Qe7 (13...Bf5 14.Rfd1 Qd7 15.Qa3 Ne4 16.d5+=; 13...Bd7 14.Qb3 Bf5 15.Rfd1 Qd7 16.d5+=; 13...Bg4 14.Rfd1 Bf5 15.a3 Qd7 16.d5=; 13...h6 14.Rfd1 Bf5 15.Nh4 Bd7 16.Qb3=) 14.Nd5 Qd8 15.a3 Bf5 16.Rfe1=; E) 13.d5 Ne5 14.Ne5 Re5 15.Rb1 h6 16.Qc2=; F) 13.a3 Bf5 (13...Bg4 14.Re1 Bf5 15.Bd3 Qd7 16.Qc2+=) 14.Bd3 Qd7 15.d5 Bd3 16.Qd3=.

12.Rc1 Bd7 A) 13.Qb3 Ra7 (13...Rb8 14.Rfd1 Bf5 15.d5 Ne5 16.Ne5=; 13...b6 14.Rfd1 Na5 15.Qa3 Be6 16.d5+=; 13...Na5 14.Qa3 b6 15.Rfd1 Bg4 16.c5=) 14.a3 Na5 15.Qc2 Bf5 16.Qa4=; B) 13.Re1 Rb8 (13...Bf5 14.a3 Ne4 15.Bd3 Qe7 16.Nd5+=; 13...h6 14.a3 Bf5 15.Bd3 Qd7 16.Nd5+=; 13...Bg4 14.a3 Rb8 15.h3 Bf5 16.Nd2=; 13...Bc8 14.a3 Bf5 15.Bd3 Bd3 16.Qd3+=; 13...b6 14.a3 Bf5 15.Bd3 Bd3 16.Qd3+=; 13...Ra7 14.d5 Ne5 15.Ne5 Re5 16.Bf3=; 13...Rc8 14.a3 Bf5 15.Bd3 Qd7 16.Qc2+=) 14.Nd5 Be6 15.Nf4 Bf5 16.Bd3=; C) 13.Nd5 Bf5 14.Qb3 Rb8 15.Bc3 Ne4 16.a3=; D) 13.a4 b6 (13...Bf5 14.d5 Ne5 15.Ne5 Re5 16.Nb1=) 14.d5 Ne5 15.Ne5 Re5 16.Bd3=; E) 13.a3 Bg4 (13...Bf5 14.Nh4 Bd7 15.Re1 Ne4 16.Nf3+=; 13...b6 14.Bd3 Bg4 15.h3 Bd7 16.Re1+=) 14.Re1 Rb8 15.h3 Bf5 16.Nh4=.

12.Rc1 Bf5 13.Re1 h6 (13...Rb8 14.a3 Ne4 15.Bd3 Qe7 16.Nd5+=; 13...Qe7 14.Nd5 Qd8 15.Bd3 Bd3 16.Qd3+=; 13...Rc8 14.a3 Rb8 15.Bd3 Qd7 16.Qc2+=; 13...Ra7 14.a3 Ne4 15.Bd3 Nc3 16.Bc3+=) 14.Bd3 Bd3 15.Qd3 d5 16.cd5 +=.

12.Rc1 Bg4 13.h3 (13.Qb3 Na5 (13...Ra7 14.Rfd1 Bf5 15.Nh4 Bd7 16.a3=; 13...b6 14.Rfd1 Qd7 15.Nd5 Ne4 16.Qc2+=; 13...Rb8 14.Rfd1 Bf5 15.a3 Qd7 16.Nd5+=; 13...Qc8 14.Rfd1 Na5 15.Qa4 Nc6 16.h3+=) 14.Qb4 b6 15.Rfd1 c5 16.Qa4=; 13.a3 Ra7 (13...Rb8 14.Rb1 Bf5 15.Bd3 Bd3 16.Qd3+=; 13...Rc8 14.h3 Bf5 15.Nd2 Rb8 16.Re1=; 13...b6 14.Bd3 Qd7 15.h3 Bf5 16.Re1+=; 13...h6 14.Qb3 Rb8 15.Rfd1 Bf5 16.d5=; 13...Bf5 14.Bd3 Qd7 15.Nd5 Bd3 16.Nf6+=; 13...Qe7 14.Nd5 Qd8 15.Nf6 Qf6 16.Rb1+=; 13...Qc8 14.h3 Bf5 15.Nh4 Bd7 16.Bd3+=; 13...Na5 14.Qa4 Nc6 15.Rfd1 Rb8 16.h3=) 14.d5 Na5 15.Nd2 Bf5 16.h3=; 13.Re1 Bf5 14.Qb3 Rb8 15.Nh4 Bd7 16.a3=; 13.Nd5 Rb8 14.a3 Nd5 15.cd5 Ne7 16.Bc4=; 13.Qa4 h6 (13...Bf5 14.a3 Qd7 15.Qd1 Na5 16.Re1=; 13...Ra7 14.h3 Bd7 15.Qb3 Bf5 16.a3=; 13...Nd7 14.Nd5 Bf5 15.Qb3 Rb8 16.Rfd1+=; 13...Rb8 14.Rfd1 Bf5 15.a3 Qd7 16.d5=; 13...Rc8 14.Rfd1 Rb8 15.a3 Bf5 16.Qb3=; 13...Bd7 14.Qb3 Rb8 15.Rfd1 Bf5 16.d5+=) 14.a3 Bf5 15.Nh4 Bd7 16.Qd1=) 13...Bf5 (13...Bd7 14.d5 Ne5 15.Ne5 Re5 16.Bd3=) 14.Re1 (14.a3 Rb8 15.Re1 d5 16.cd5+=) 14...Rb8 15.Bf1 (15.a3 d5 16.cd5+=) 15...Ne4 (15...h6 16.a3=) 16.Nd2 (16.Bd3 Qe7=) 16...Nc3 (16...Nd2 17.Qd2 Qg5 18.Kh2=) 17.Bc3 Qh4 18.Nf3 ½–½. Kleinke,Uwe – Mueller,Axel, Germany, 2006.

12.Rc1 h6 A) 13.Qb3 Rb8 (13...Ra7 14.Rfd1 Bf5 15.Nh4 Bd7 16.Rb1=; 13...Na5 14.Qa3 Nc6 15.Rfd1 Rb8 16.d5+=) 14.Rfd1 Bf5 15.d5 Ne5 16.Ne5=; B) 13.Re1 Rb8 (13...Bf5 14.a3 Ne4 15.Bd3 Qe7 16.Ne4+=; 13...Bg4 14.a3 Bf5 15.Bd3 Qd7 16.Nd5+=; 13...Bd7 14.a3 Bf5 15.Bd3 Bd3 16.Qd3+=; 13...Ra7 14.d5 Ne7 15.Rb1 Bg4 16.e4+=; 13...b6 14.Nd2 Qd7 15.Bf3 Bb7 16.Qa4+=) 14.Bd3 Nb4 15.Bb1 c5 16.e4=; C) 13.Nd5 Rb8 (13...Bf5 14.Bd3 Bd3 15.Qd3 Nd5 16.cd5=) 14.Bc3 Ne4 15.Nd2 Nc3 16.Rc3=; D) 13.a4 Bg4 (13...b6 14.d5 Ne5 15.Ne5 Re5 16.Ra1=; 13...Rb8 14.Re1 Bf5 15.Bd3 Qd7 16.Bf5=; 13...Bf5 14.Re1 b6 15.d5 Ne5 16.Nd4+=) 14.Re1 Bf5 15.Nh4 Bd7 16.Qc2=; E) 13.Qd2 Bd7 (13...Bg4 14.h3 Bf5 15.d5 Ne5 16.Nd4=) 14.Rfd1 Bg4 15.h3 Bf5 16.d5=; F) 13.Bd3 Nb4 14.Bb1 Nc6 15.a3 d5 16.Ba2=; G) 13.a3 Bg4 (13...Bf5 14.Bd3 Bd3 15.Qd3 d5 16.cd5+=; 13...Rb8 14.Bd3 Bg4 15.h3 Bd7 16.Qc2+=; 13...b6 14.Bd3 Bg4 15.h3 Bd7 16.Rb1+=) 14.Re1 Rb8 15.h3 Bf5 16.Bd3=.

12.Nd5 A) 12...Rb8 A1) 13.Qb3 Be6 14.Nf4 Bf5 15.Rfd1 Qe7 16.Nd5=; A2) 13.Nf4 Bf5 14.Qb3 Ne4 15.Rab1 g5 16.Nh5–/+; A3) 13.Rc1 Be6 14.Nf4 Bf5 15.Bd3 Bd3 16.Qd3=; A4) 13.Re1 Be6 14.Nf4 Bf5 15.Qb3 Ne4 16.Rab1=; A5) 13.a3 Nd5 14.cd5 Ne7 15.Qb3 Bf5 16.Nd2=; A6) 13.Nf6 Qf6 14.Rb1 Bf5 15.Bd3 Bg4 16.Bc3=; A7) 13.Bc3 Nd5 14.cd5 Ne7 15.Qb3 b6 16.Nd2+=; B) 12...Bf5 B1) 13.Nf4 Rb8 (13...Qe7 14.Bd3 Be4 15.Be4 Ne4 16.Rb1=) 14.Qb3 Ne4 15.Rfd1 b5 16.cb5=; B2) 13.Bd3 Nd5) 14.cd5 Bd3 15.Qd3 Ne7 16.Qb3=.

12.Re1 A) 12...Bf5 A1) 13.a3 d5 (13...Qe7 14.Bd3 Ne4 15.Rb1 Rab8 16.Qc2+=; 13...h6 14.Bd3 Bd3 15.Qd3 d5 16.cd5+=; 13...Rc8 14.Bd3 Bd3 15.Qd3 d5 16.cd5+=; 13...Ne4 14.Bd3 Qe7 15.Rb1 Rab8 16.Nd5+=; 13...Rb8 14.Bd3 Bd3 15.Qd3 d5 16.cd5+=; 13...Ra7 14.Bd3 Bd3 15.Qd3 d5 16.e4+=) 14.Rc1 dc4 15.Bc4 Ne4 16.Ne4+=; A2) 13.Bd3 Qd7 (13...Bd3 14.Qd3 d5 15.Nd5 Nd5 16.cd5+=) 14.Bf5 Qf5 15.Qe2 Ne4 16.Rab1=; A3) 13.Qb3 Na5 (13...Rb8 14.Rad1 Ne4 15.Ne4 Be4 16.Nd2+=) 14.Qb4 b6 15.Rad1 c5 16.Qa4=; A4) 13.Nh4 Be6 14.d5 Ne4 15.Ne4 Bb2 16.Rb1=; A5) 13.Qa4 d5 14.cd5 Nd5 15.Qb3 Be6 16.e4=; A6) 13.Rc1 h6 (13...Rb8 14.a3 Ne4 15.Bd3 Qe7 16.Nd5+=; 13...Ne4 14.Bd3 Qe7 15.Nd5 Qd8 16.Qc2+=; 13...Qe7 14.Nd5 Qd8 15.Bd3 Bd3 16.Qd3+=; 13...Rc8 14.a3 Rb8 15.Bd3 Qd7 16.Qc2+=; 13...Ra7 14.a3 Ne4 15.Bd3 Qe7 16.Ne4+=) 14.Bd3 Bd3 15.Qd3 d5 16.cd5+=; B) 12...Bg4 B1) 13.a3 Rb8 (13...Bf5 14.Bd3 Bd3 15.Qd3 d5 16.cd5+=; 13...d5 14.h3 Bf5 15.Rc1 dc4 16.Bc4+=; 13...Qe7 14.h3 Bf5 15.Bd3 Bd3 16.Qd3+=; 13...h6 14.Rb1 Qd7 15.d5 Na5 16.Bd3+=; 13...Ra7 14.Rb1 Qd7 15.d5 Na5 16.Bd3+=) 14.Rb1 Na5 15.Qa4 c6 16.c5=; B2) 13.Rb1 Rb8 (13...Qd7 14.a3 Rab8 15.d5 Ne7 16.e4+=; 13...Bf5 14.Bd3 Bd3 15.Qd3 d5 16.Ba3+=) 14.a3 Na5 15.Qa4 c6 16.c5=; B3) 13.Qb3 Rb8 14.Rad1 Bf5 15.d5 Ne5 16.Ne5=; B4) 13.Nd5 Rb8 14.Nf4 d5 15.h3 Bf5 16.Rc1=; B5) 13.Qc2 Bf5 (13...Qe7 14.h3 Bf5 15.Qb3 Rab8 16.Nd5=; 13...d5 14.Ne5 Bf5 15.Nc6 bc6 16.Bd3+=; 13...h6 14.Qb3 Rb8 15.Rad1 Qd7 16.Nd5=; 13...Rb8 14.a3 Na5 15.Nd2 Be2 16.Re2=) 14.Qb3 Na5 15.Qb4 b6 16.Rad1=; B6) 13.a4 Bf5 14.a5 Rb8 15.Ra3 Nb4 16.Nh4=; B7) 13.Rc1 h6 (13...Rb8 14.a3 Bf5 15.Bd3 Qd7 16.Qc2+=; 13...Rc8 14.a3 Na5 15.Nd2 Be2 16.Qe2+=; 13...Qe7 14.a3 Rab8 15.Nd5 Qd8 16.Bd3+=; 13...Ra7 14.d5 Bf3 15.Bf3 Ne5 16.Be2+=; 13...b6 14.h3 Bf5 15.d5 Ne7 16.Nd4+=; 13...Bf5 14.Bd3 Bd3 15.Qd3 d5 16.a3+=; 13...Na5 14.Qa4 Nc6 15.Red1 Rb8 16.a3+=) 14.Qb3 Rb8 15.a3 Qe7 16.Red1=; C) 12...d5 C1) 13.Rc1 dc4 (13...Rb8 14.cd5 Nd5 15.Nd5 Qd5 16.Bc4+=) 14.Bc4 b5 15.Bd3 Nb4 16.Be2+=; C2) 13.a4; C3) 13.Ne5 Ne5 14.de5 Nd7 15.Nd5 Be5 16.Be5+=; D) 12...Rb8 D1) 13.Rc1 h6 (13...Bf5 14.a3 d5 15.cd5 Nd5 16.Nd5+=) 14.d5 Ne5 15.Ne5 Re5 16.Bd3=; D2) 13.Bd3 d5 (13...Nb4 14.Bb1 Nc6 15.a3 Bg4 16.Bd3=) 14.cd5 Nd5 15.Nd5 Qd5 16.e4=; D3) 13.Rb1 Bg4 (13...Bf5 14.Bd3 Bd3 15.Qd3 d5 16.a3+=) 14.d5 Na5 15.Bd3 Nd7 16.h3=; D4) 13.Qd2 Bf5 (13...d5 14.Rac1 dc4 15.Bc4 b5 16.Bd3+=) 14.d5 Ne5 15.Nd4 Bd7 16.h3=; D5) 13.Qb3 h6 (13...Bf5 14.Rad1 Ne4 15.Ne4 Be4 16.Nd2+=) 14.Rad1 Bf5 15.d5 Ne5 16.Ne5=; D6) 13.Qa4 h6 14.d5 Ne5 15.Ne5 Re5 16.Bd3=; D7) 13.a3 Bg4 (13...d5 14.Rc1 Bf5 15.cd5 Nd5 16.Nd5+=; 13...Bf5 14.Bd3 Bd3 15.Qd3 d5 16.cd5+=) 14.Rb1 Na5 15.Qa4 c6 16.c5=.

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

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