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1.b4 e5 2.Bb2 Bb4 3.f4 Nf6
Kucharkowski–Meybohm–gambit

(...)

4.a3 Ba5 5.fe5 Ng4 6.Nf3 Nc6 7.h3 (7.e4 0–0–/+) 7...Ne3 (7...Nge5 8.e3 Qf6 9.Nc3–/+) 8.Qc1 d5 9.Nc3 (9.Kf2!? Nf1 10.Rf1 Bb6 11.Kg3–/+) 9...d4–/+ 10.Nb5 (10.Nd1!?–/+) 10...Bf5–+ (10...Nf1?! 11.Rf1 Bb6 12.c4 dc3 13.Qc3+=) 11.Rb1 (11.Kf2 Nc2 12.Rb1 a6–+) 11...a6 12.Nbd4?! (12.Kf2 Nf1 (12...ab5?! 13.de3 de3 14.Ke3–/+) 13.Nbd4 Nd4 14.Nd4 Ng3 15.Kg3 Qg5 16.Kh2 Qf4 17.Kg1 Bd2 18.Qd2 Qd2 19.Nf5 Qc2 20.Ng7 Kf8–+) 12...Nd4 13.Bd4 Nc2 14.Kd1 Nd4 15.Rb7 Bc2 16.Ke1 Bb6 17.d3 (17.Rb6 cb6 18.Qb2 Nf3 19.ef3 Bd3–+) 17...Nf3 18.ef3 (18.gf3 Qh4 19.Kd2–+) 18...Qh4 19.Kd2 Bd4 (19...Bd4 20.Qc2 0–0 21.Rc7 Rae8+=; better is 19...Qf2 20.Be2 Be3 21.Kc2 Qe2 22.Kb3 Bc1 23.Rc1 Qd3 24.Kb2 0–0–+) 0–1. Icic – Luzuriaga,Norberto Horacio, corr KMG, 1998.

4.Be5 c5 5.Nf3 Nc6 6.Bb2 d5 7.e3 0–0 8.Be2 Re8 9.0–0 a6 10.Nc3 b5 11.a4=+ Bc3 12.Bc3 b4 13.Bb2 a5 14.Qe1 Ra7 15.Qh4 Re6 16.Ng5+/– h6? 17.Ne6+– fe6 18.g4 c4 19.Be5 Ne4 20.Qd8+– Nd8 21.d3 cd3 22.cd3 Nd2 23.Rfc1 Bd7 24.Ra2 Nb3 25.Rcc2 Nb7?? 26.Rc7 N3c5 27.d4 Na4 28.Rd7 Nc3 29.Rc2 Ne2 30.Re2 b3 31.Bb8 (31.Bb8 Ra6 32.Rb7+–; 31.Rg7!? Kf8 32.Re1 Ra8 33.Rb7 Re8+–) 1–0. Brodie – De Breyne, 1970.

4.Nf3? 0–0 5.fe5+= Nc6?? (5...Ng4+=) 6.e4 (better is 6.ef6!? g6+–) 6...Re8?? (6...Ne4 7.a3 Ba5–/+) 7.h3?? (7.ef6 d5 8.fg7 de4 9.Ng1+–) 7...Ne5 (better is 7...Ne4 8.Bc4 Ng3–+) 8.g3?? (better is 8.Ne5 d6 9.Nf7 Kf7 10.Bd3+=) 8...Nf3–+ 9.Qf3 d5 (better is 9...Ne4 10.Kd1 Qg5–+) 10.Bd3?? (10.Bf6 Qf6 11.Qf6 gf6 12.a3–+) 10...de4 11.Be4 Bf5 (11...Bf5 12.Qf5 Re4 13.Kd1 Re6–+; better is 11...Ne4 12.0–0 Bc5 13.Kh2 Ng5–+) 0–1. Grosch – Schunke, corr, 1988.

4.Nf3 ef4 (--> 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Nf3 Nf6).

4.Be5 Qe7

5.Bc7= Nd5 6.a3 Bc5 +=.

5.Bc7= Qe4 6.c3 Ba5?? (better is 6...Be7 7.Nf3 0–0+=) 7.Ba5+– Qf4 8.e3 Qh4 9.g3 Qh6 10.Bg2 0–0 11.Nf3 Nc6 12.Bb4 Nb4 13.cb4 Rb8 14.Nc3 d6 15.Qa4 Bh3 16.0–0 Bg2 17.Kg2 Ng4 (17...a6 18.Nh4+–) 18.Qa7 b5 (18...Ne5 19.Qd4+–) 19.h3 Nf6 20.Nd4 Qg6 21.Nf5 Nh5 (21...Kh8+–) 22.Ne7 (22.Ne7 Kh8 23.Ng6 hg6 24.Rf7+–) 1–0. Fournier,Frederic (1990) – NN, Active, 2004.

5.e3 d6+= 6.Bb2 Bg4 (6...Qe3 7.Qe2 Qe2 8.Ne2–/+) 7.Nf3 (7.Be2 Be2 8.Ne2 0–0=) 7...0–0 (7...Qe3! 8.Qe2 Qe2 9.Be2 Nbd7–/+) 8.Be2+= Bh5 9.0–0 Bg6 10.Nc3 c6 11.Nh4 a5 12.Ng6 fg6 13.Bf3 d5 14.Ne2 b5 15.Nd4 a4 (15...Ne4!? 16.Be4 Qe4=) 16.a3+= Bc5 17.Ne2 (better is 17.Nb5!? Qb7 18.Bf6 Rf6 19.Nc3+/–) 17...Nbd7+= 18.Ng3 Rad8 19.Kh1 Ne4 20.Ne4 de4 21.Bg4 (21.Be2!?+=) 21...Nf6–/+ 22.Be2 (better is 22.Bf6 Rf6 23.Re1–+) 22...Nd5 (better is 22...Be3 23.d3 Qc5–+) 23.Be5?? (better is 23.Qc1!?+=) 23...g5?? (23...Ne3 24.de3 Rd1 25.Rfd1–+) 24.c4? (better is 24.Qe1–/+) 24...bc4 (better is 24...Ne3 25.de3 Rd1 26.Rfd1 bc4–+ (26...Ba3?! 27.cb5 gf4 28.ef4 cb5 29.Bb5–/+; worse is 26...Be3 27.Bd6 Qe6 28.cb5–+)) 25.Bc4 gf4 (25...Ba3 26.Qa4 gf4 27.ef4+–) 26.ef4 Kh8 (26...Ba3 27.Qa4 Bb4 28.Qc6+–) 27.Qg4 (better is 27.Qa4!? Nb6 28.Qc2+=) 27...Bd6+= 28.Bd6 Rd6 29.f5 e3 30.Bd5= Rd5 31.de3+= Qe3 32.Rae1?? Qa3?? 33.f6+= g6 34.f7 Rdd8?? 35.h3?? Qd6?? 36.Rf3?? a3 37.Ref1 a2 38.Qa4?? Qe6 39.R3f2 Rf7?? 40.Rf7+– a1Q 41.Qa1 Kg8 42.Qf6 Qf6+– 43.R7f6 c5 44.Rc6 Rd5 45.Rc1 Kg7 46.R1c5 Rd1 47.Kh2 Rd2 48.Rc7 Kh6 49.Re7 g5 50.Re6 Kh5 51.Ree5 h6 52.Re6 Rf2 53.Rcc6 g4 54.Rh6 Kg5 55.Rcg6 Kf4+– 56.Rg4 Ke3 57.Re6 Kd3 58.Rg7 Rf4 59.Rd7 Kc3 60.Rc6 Kb3 61.Rb7 Ka3 62.Ra6 Ra4 63.Ra4 Ka4 64.h4 1–0. aniabielak – duszek13, internet, 2012.

4.Be5 Ng4

5.c3 Be7 6.Nf3 f6 7.Bd4=+ c5 8.Bg1 d5 9.h3 Nh6 10.d4 Nf5 11.Bf2 Qa5 12.g4=+ Nd4 13.Nd4 cd4 14.Bd4 Nc6 15.Bg2 Be6 16.0–0 0–0 17.f5 Bf7 18.a4 Rac8 19.e4 de4 20.Be4 Nd4 21.cd4 Rfd8 22.Qd2? Bb4 23.Qb2 Rd4!! 24.Qg2 Qc5 25.Kh1 Re4! 26.Qe4 Bd5 (26...Bd5 27.Nd2 Bd2–+) 0–1. Weisbrod,Juergen – Kucharkowski,Jens, corr KMG–24, 1992.

5.Bc3 Bc3 6.Nc3 d5 7.e4 de4 8.Ne4 Qd4 9.Bd3 Nc6 10.Nf3 Qb6 11.Rb1 Nb4 12.h3 Nh6 13.Kf1 Qa5=+ 14.Neg5 Bf5 15.Bf5 Nf5 16.Qe1 Kf8 17.d3 c5 18.Ne5 Nh6 19.c3 Nc2 20.Qd2 Qa2= 21.Rc1 Nb4 22.Qa2 Na2 23.Rc2 f6 24.Ra2 fe5 25.fe5 Ke7 26.Ke2 Nf7 27.Nf7 Kf7 28.Rb1 Rhb8 29.Ra5 b6 30.Ra6 Re8 31.Kf3 Re5= 32.Rbb6 Rd5? 33.Rb7+/– Kg8 34.Ke4 Rg5 35.g4 Rf8? 36.Raa7+– Re8 37.Kf4 Rg6 38.g5 Rd8 39.h4 Rf8 40.Kg4 h6 41.Rc7 Rd8 42.Kh5 Kh7 43.Rd7 Rd7+/– 44.Rd7 hg5 45.hg5 Re6 46.Rd5 c4 47.Rd7 cd3 48.Rd3 g6 49.Kg4 Re4 50.Kf3 Re5 51.Kf4 Rc5 52.Kg4 Kg8 53.Re3 Kf7 54.Rf3 Ke7 55.Rd3 Ke6 56.Rg3 Rc4= 57.Kh3 Kf5 58.Kg2 Rg4 59.Rg4 Kg4 60.Kf2 Kf4 61.c4 Kg5 62.Ke3 Kf5 63.Kd4 Ke6 64.Ke4 Kd6 65.c5 Kc5 66.Kf4 Kd5 67.Kg5 Ke5 68.Kg6 ½–½. Comet B50 – Comet B25, 2004.

5.Bc3 Bc3 6.Nc3 d5 7.Nf3 Nc6 8.e3 0–0 9.Ne2 Qd6 10.h3 Nf6 11.g4 Re8 12.c3 Ne4 13.Bg2 b6 14.0–0 Ba6 15.Re1 Rad8 16.Qc2 Nc5 17.Nc1 Qh6 18.d3 Qg6 19.f5 Qf6 20.Rb1 Rd7 21.h4 Rde7 22.Qd2 h5 23.Ng5 Ne5 24.d4 Nc4 25.Qf2 Ne3 26.dc5? Ng4–+ 27.Re7 Qe7 28.Qg3 Qe1 29.Qe1 Re1 30.Bf1 Bf1 31.Nb3 Rb1 32.Nd2 Bd3 33.Nb1 0–1. EXchess 3.11 – Crafty 19.01, 2004.

5.Bg7!? Ne3 6.Qc1. Gross.

4.fe5 Nd5

5.a3?? Ne3–+ 6.Qc1 Qh4 7.g3 Qe4 8.Nf3 Nc2 9.Kd1 Na1 10.ab4 Qb4 11.Ba1? (11.Na3 Nb3 12.Qc7–+) 11...a5 (better is 11...Qa4 12.Qc2 Qa1–+) 12.Bc3 Qe7 13.e3 0–0 14.Bg2 c6 15.Rf1 b5 16.Ke2 b4 17.Bb2 (17.Bd4!? Qe6 18.d3–/+) 17...a4–+ 18.Kf2? (18.d3 Na6–+) 18...Ba6 (18...a3!? 19.Bd4 a2 20.d3 ab1N 21.Bc5 Ra2 22.Kg1–+) 19.Re1 Bd3 20.Bd4 Na6 21.Kg1 c5 22.Bb2 c4 23.Nd4 Rab8 24.Bf1 (24.Ne2 a3 25.Na3 ba3 26.Ba3 Nc5–+) 24...Nc5 (24...Qe5?! 25.Nc6 Qd6 26.Nb8 Rb8 27.Bd4–/+) 25.Bd3 (25.e4–+) 25...Nd3 (25...cd3?! 26.Nf5 Qg5 27.Rf1–/+) 26.Qc2 (26.Qc4 Ne1 27.Qe2–+) 26...Ne1 27.Qc4 Qe5 28.Qc1 (28.Qf1 Nc2!–+) 28...Nd3 29.Qc2 Qe4 30.Qd1 Nb2 (30...Nb2 31.Qc2 Qc2 32.Nc2 Rfc8 33.Nb4 Rc1 34.Kg2 Rb4–+) 0–1. Fournier,Frederic – jocantaro, Active, 2008.

5.c3 Ba5 6.g3 Qg5 7.d4 0–0 8.Nf3 Qe7 9.Bg2. Meybohm.

5.c3 Qh4 6.g3 Qe4 7.Nf3 Be7 8.Bg2 =. Meybohm.

5.Nc3 Bc3 6.dc3 Qh4 7.Kd2 (7.g3 Qe4 8.Nf3 Ne3) 7...Qf4 8.Kd3 (8.Ke1 Qh4 =) 8...c5 9.e4 Qe3 10.Kc4 Nb6 11.Kb3 Nc6 12.Bd3 d6 13.ed6 Be6 14.Ka3 c4 15.d7 Ke7 16.Bc4 Qc5 17.Kb3 Na5#. Meybohm.

5.Nc3 Nc3 6.Bc3 Bc3 7.dc3 Qh4 8.g3 Qe4 9.Nf3. Meybohm.

5.Nc3 c6 6.Nd5 cd5 7.c3 Bc5 8.d4 Bb6 9.g3 Qg5 10.Nf3 Qe3. Meybohm.

5.Nc3 Qh4 6.g3 Qc4 7.e3 Qc5 8.Nge2 Nc3 9.Nc3 Qe5 10.Qg4 Bc3? (10...Bf8 11.Bd3) 11.Bc3 Qd5 12.0–0–0 Qh1 13.Bc4 Qg2 14.Rf1 Nc6 15.Bf7 Kd8 16.Qg7 Qf1 17.Kb2 Qb5 18.Bb3 Re8 19.a4 Qh5 20.Bf7! Meybohm.

5.Nf3 d6 6.ed6 0–0 7.dc7 Qc7 8.c3 Bd6 9.e3 Nc6 10.Be2 Ne5 11.d4?? (better is 11.Nd4+=) 11...Ng4 (better is 11...Ne3!? 12.Qa4 Bd7–+) 12.e4–/+ Nde3 13.Qd2?? (13.Qb3 Ng2 14.Kf1 Bh2 15.e5–+) 13...Ng2 (13...Bg3 14.hg3 Qg3) 14.Kf1–+ N4e3 (better is 14...N2e3 15.Kg1 Bh2 16.Rh2 Qg3 17.Kh1 Nh2 18.Qe3 Ng4–+) 15.Kf2 Bh3 16.Rg1?? Ng4 17.Kf1 N4e3 18.Kf2 Bh2 19.Rg2 Ng2 20.e5 Bf4 21.Qd3 Qd7 22.Nbd2 Bf5 23.Ne4 f6 24.Kg2 fe5 25.Ne5+= Bh3?? 26.Kf2 Be5–+ 27.Ke1 Qf5?? 28.Kd2?? Bf4–+ 29.Kc2 Rae8 30.Nd6 Bd6 31.Qf5 Bf5 32.Bd3 Re2 33.Kb3 Bd3 34.Rd1 Ba6 35.a4 b5 36.ab5 Bb5 37.c4 Rb8 38.Kc3 Bc4! 39.Kc4 Rbb2 40.Kd5 Bf8 41.Kc6 a6 0–1. Fournier,Frederic (1795) – Trisfeti (1680), Active (2/0), 2005.

5.Nf3 Ne3 6.Qc1 Nf1 7.Rf1 +=.

5.c3 Bc5

6.d4 Be7 7.g3 0–0 8.Bg2 =. Meybohm.

6.Nf3 d6 7.d3 Ne3 8.Qa4 (8.Qb3 Ng4= Meybohm) 8...Bd7! Meybohm.

6.Nf3 d6 7.d4 Bb6 8.c4 Ne3 9.Qa4? (9.Qb3 Nf1 10.Rf1 de5 11.Ne5 =) 9...Bd7. Meybohm.

6.g3 d6 7.e4 Ne7 8.d4 Bb6 9.Qh5 0–0 (9...g6 10.Qh6) 10.ed6 cd6 = (10...Qd6 11.Nd2 Qf6 12.Nc4). Meybohm.

5.Nf3 0–0

6.c3 Ba5 7.e4 Ne7 8.Be2 d6 9.ed6 Qd6 10.0–0?? (10.Ba3 Qe6 11.e5 Re8=) 10...Qg6?? (10...Qb6 11.Nd4 Qb2 12.Qc2–+) 11.d3?? (11.Qc2 Nd5 12.Ne5 Qg5+=) 11...Bh3 12.Rf2= Bb6 13.d4 c5? 14.Nbd2?? Nbc6 15.Kh1 Bd7 16.d5+/– Nb8 17.c4 Bc7 18.Be5 Be5+= 19.Ne5 Qd6 20.Nd7 Qd7 21.Bg4 f5? 22.ef5+– Nf5 23.Qf1 Ng3+/– 24.hg3 Rf2 25.Qf2 Qg4 26.Rf1 Nd7 27.Qf7 Kh8 28.Qf3 Qf3 29.gf3+/– Kg8 30.f4 Kf7 31.Re1 Re8 32.Re8 Ke8 33.Ne4 Nf6 34.Nf6 gf6+= 35.Kg2 Kd7 36.Kf3 Kd6? 37.Ke4+/– a5 38.a4 b6 39.Kf5 h5? 40.Kf6+– 1–0. Fournier,Frederic – EddieSG13, Active, 2007.

6.c3 Be7 =.

6.e3 Nc6 7.Bc4?? (7.Bd3 d6 8.a3 Bc5=) 7...Nb6 (better is 7...Ne3 8.Qe2 Nc2 9.Kd1 Na1 10.Ba1 d5–+) 8.Be2 d6 9.ed6 Bd6 10.0–0 Be6 11.Nc3 Nc4 12.Bc4 Bc4 13.d3 Be6 14.Ne4 Be7 15.c4 Bg4 16.Qc2 Nb4 17.Qc3 Qd3?? (better is 17...f6 18.c5 Nd5= (18...Nd3? 19.Rfd1+–)) 18.Qg7 1–0. Fournier,Frederic (1660) – hredard1 (1865), Active (4/3), 2004.

6.e3 d6 7.ed6? (7.c3 Ba5=) 7...Bd6?? (better is 7...Ne3 8.Qc1 Re8 (8...Qd6?! 9.c3=; 8...cd6 9.c3+=) 9.dc7 Nc2 (9...Nf1?! 10.Kf1 Qc7 11.Bg7=) 10.Kd1 Ne3 11.Ke1 Nd5 12.Kf2 Nc7–+) 8.Be2= Nc6 9.0–0 Qe7 10.Nc3 Nf6 11.Kh1 Ng4 12.Nd5 Qe6 13.Nf4 Bf4 14.ef4 Re8 15.Ne5 (15.Bd3!? Qh6 16.h3=) 15...Nce5 16.fe5 Ne5 17.d3 Ng6 18.Bf3+= Qd6 19.Re1 Bd7 20.Qd2 Bc6 21.Bc6 Qc6–/+ 22.Re8 Re8 23.h3 Nh4 24.Rg1 Nf3?? 25.gf3+/– Qf3 26.Qg2 (26.Qg2 Qg2 27.Kg2+/–) 1–0. Fournier,Frederic – Blind Warrior (1605), Partie evaluee, 3m + 0s, 2008.

6.e3 Ne3 7.Qc1 Nf1 8.Rf1 –+.

4.fe5 Ne4

5.e3? Nc6 6.Qg4= Ng5 7.Nh3 h6 8.Bb5 Be7 9.Ng5+= hg5 10.0–0 0–0 11.Qh5 Nb4 12.a3+– Nc2?? 13.Bd3 (13.Bd3 g6 14.Bg6 fg6 15.Qg6 Kh8 16.e6 Nd4 17.Rf7 Rf7 18.ef7 Qf8 19.Bd4 Bf6 20.Bf6 Qg7 21.Qg7#) 1–0. Woelfelschneider,Peter – Kalwa, corr ICCF, 1993.

5.Nf3 c6 A) 6.a3 A1) 6...Ba5 7.c3 (7.Qc1 Qb6 8.Bd4 c5 9.Bb2 0–0 10.c4 d6+=; 7.Nc3 Bc3 8.Bc3 Nc3 9.dc3 Qb6 10.g3 Qa5+=; 7.c4 d6 8.ed6 0–0 9.Nc3 Nd6 10.e3 Be6+=; 7.e3 Qb6 8.Bd4 c5 9.Bc3 Bc3 10.Nc3 Nc3+=; 7.Bd4 c5 8.Bb2 Qb6 9.Qc1 0–0 10.c4 d6+=) 7...Nf2 8.Kf2 Qb6 9.Nd4 Qb2 10.Qc2 Qc2+=; A2) 6...Qb6 7.Bd4 c5 8.e6 cd4 9.ef7 Kf7 10.ab4 Nc6+=; B) 6.e3 d5 (6...Qb6 7.c3 Be7 8.Qc2 d5 9.ed6 Bf5 10.g4 Bg6+=) 7.ed6 0–0 8.Be2 Re8 9.0–0 Bd6 10.Nc3 Nc3=.

5.Nf3 0–0

5.Nf3 Nc6 6.e3 A) 6...Qe7 7.a3 (7.Bc4 Qc5 8.Qe2 d5 9.ed6 Nd6 10.Bb3 0–0=) 7...Ba5 8.Bc4 Rb8 9.0–0 0–0 10.Qe2 Ng5+=; B) 6...Ng5 7.a3 (7.Bd3 Nf3 8.Qf3 Qh4 9.g3 Qe7 10.Bc4 Rf8=; 7.Bb5 a6 8.Bd3 Nf3 9.Qf3 Qh4 10.Qg3 Qg3+=) 7...Bf8 8.Bd3 Ne6 9.Nc3 d6 10.ed6 Bd6+=; C) 6...0–0= 7.Be2 (7.a3 Ba5 8.Be2 Re8 9.0–0 d5 10.ed6 Qd6=) 7...d5 8.0–0 Re8 9.a3 Bc5 10.d4 Bb6=.

5.Nf3 Nc6 6.g3 d6 7.ed6 0–0 8.Bg2 Bd6 9.0–0 Qe7 10.d3 Nf6 11.e4 Bg4 12.Qe1 Bc5 13.Kh1 Rad8 14.Nbd2 Nb4 15.e5 Bf3 16.Rf3 Ng4 17.e6 fe6 18.Qe4 Rf3 19.Qf3 Nf2! 0–1. Meybohm,Dirk – Scheglmann,Eckhard, corr KMG–06, 1988.

5.Nf3 0–0

6.c3 Bc5 7.d4 Be7 8.e3 d5 9.Nbd2 Bf5 10.Be2 a6 11.a4 Bh4=+ 12.g3 Be7 13.Ne4 de4 14.Nd2 Nc6 15.Qc2 Bg5 16.Ne4 Be3 17.Bf3 Bh3 18.Qe2 Bh6 19.Nc5 Qc8 20.Bc1 Bc1 21.Rc1 Ra7 22.Bc6 bc6 23.a5 Re8 24.Rg1 Bg4 25.Qe4 Bd7 26.Rg2 f5 27.Qf3 Rf8 28.Re2 Qe8 29.e6 Bc8 30.Rb1 Ra8 31.e7 Rf6 32.Qf4 Rd6 33.c4 g6 34.Rb3 Bd7? 35.Rb7 Qc8 36.Kf2 Be8 37.Qh6 Rf6 38.Ne6!! Rf7 39.Qf8!! (39.Qf8 Rf8 40.ef8Q#) 1–0. Niebuhr,Matthias (1760) – Essman,Alyn, IECG, 2000.

6.e3 d5 7.ed6 Qd6.

6.e3 d5–/+ 7.ed6 Bd6 8.Be2 Bg4 9.0–0 Nc6 10.d3 Bf3 11.Bf3+= Qh4 12.g3+/– Ng3 13.Qe1 Rae8?? 14.hg3 Bg3 15.Qd2 Re3 16.Qg2 Rfe8 17.Nd2 Ne5 18.Be4 Ng4?? 19.Nf3+= Rf3? 20.Rf3+– Bh2 21.Kf1 f5? 22.Bd5 Kh8 23.Rh3 Qg5 24.Re1 Re1 25.Ke1 Be5 26.d4 Bd4 27.Qe2 (27.Qe2 Qd8 28.Bd4 Qd5 29.Qe8 Qg8 30.Qd7+–; 27.Bd4 Qc1 28.Ke2 Qc2 29.Ke1 Qc1 30.Ke2 Qc2 31.Ke1 Qc1 32.Ke2 Qc2=) 1–0. Sopermi – icar0, ajedrez21.com, 2001.

6.e3 d5 7.Be2 Nc6 8.0–0 Re8 9.a3 Bc5 10.d4 Be7 =.

6.e3 d6 7.c3 Bc5 8.d4 de5 9.Qd3 Nf6 10.dc5 Qd3 +=.

6.e3 d6 7.Bd3 d5 8.c3 Bc5 9.Qc2 Bf5 10.0–0 g6 11.c4 c6 12.Nc3 Nc3 13.Qc3 Be6 14.Kh1 Be7 15.Be2 f6 16.Rf2 ½–½. Hauswald,Helfried – Dilling,Ralf, corr DDR, 1989.

6.e3 Qe7 7.a3 (7.Be2 d5 8.0–0 Be6 9.a3 Bc5 10.Bd4 Nd7=) 7...Bc5 8.Bc4 c6 9.0–0 d5 10.ed6 Bd6 =.

6.e3 Re8 7.Be2 (7.a3 Be7 8.Be2 Bh4 9.g3 Be7 10.0–0 Nc6=) 7...d5 8.0–0 Nc6 9.a3 Bc5 10.d4 Be7 =.

5.Nf3 Nc6

6.e3 A) 6...Qe7 7.a3 (7.Bc4 Qc5 8.Qe2 d5 9.ed6 Nd6 10.Bb3 0–0=) 7...Ba5 8.Bc4 Rb8 9.0–0 0–0 10.Qe2 Ng5+=; B) 6...Ng5 7.a3 (7.Bd3 Nf3 8.Qf3 Qh4 9.g3 Qe7 10.Bc4 Rf8=; 7.Bb5 a6 8.Bd3 Nf3 9.Qf3 Qh4 10.Qg3 Qg3+=) 7...Bf8 8.Bd3 Ne6 9.Nc3 d6 10.ed6 Bd6+=; C) 6...0–0= 7.Be2 (7.a3 Ba5 8.Be2 Re8 9.0–0 d5 10.ed6 Qd6=) 7...d5 8.0–0 Re8 9.a3 Bc5 10.d4 Bb6=.

6.g3 d6 (6...d5 A) 7.ed6 Bg4 (7...Qd6 8.Bg2 Bc5 9.d4 Bb6 10.c3 Be6=) 8.Bg7= Rg8 9.Bc3 Qd6 10.Bg2 Qc5+=; B) 7.Bg2 Bg4 8.0–0 0–0 9.e3 Re8 10.h3 Be6+=; 6...Qe7 7.Bg2 Qc5 8.Rf1 Qb6 9.c4 Bc5 10.Qb3 Bf2=; 6...0–0 7.Bg2 d5 8.ed6 cd6 9.e3 Qb6 10.Bd4 Bc5+=; 6...Bc5 7.d4 (7.e3 0–0 8.d4 Bb6 9.Bd3 d5 10.Nbd2 Nd2+=) 7...Bb6 8.Bg2 d5 9.ed6 Qd6 10.0–0 Bg4+=; 6...Ng5 7.a3 (7.Nc3 0–0 8.Nd5 Ba5 9.e3 d6 10.ed6 Qd6+=) 7...Ba5 8.Bg2 0–0 9.0–0 Nf3 10.Bf3 Qe7+=) 7.ed6 (7.Bg2 0–0 8.ed6 cd6 9.e3 Qb6 10.Bd4 Bc5+=) 7...0–0 8.Bg2 (8.dc7 Qc7 9.e3 Ng3 10.Rg1 Nf5+=) 8...Bd6 (8...cd6 9.e3 Qb6 10.Bd4 Bc5+=) 9.0–0 Qe7 (9...Bg4 10.e3 Ng5+=) 10.d3 (10.e3 Bg4+=) 10...Nf6 (10...Bc5+=) 11.e4 Bg4 (11...Bc5 12.Kh1+=) 12.Qe1 (12.Qc1 Bc5 13.Kh1 Rad8=) 12...Bc5+= 13.Kh1 Rad8 14.Nbd2 Nb4 (better is 14...Rfe8=) 15.e5 (15.Qb1!?=) 15...Bf3 (15...Nfd5 16.Qe4 Bf3 17.Nf3 Nc2 18.d4 Na1 19.dc5–/+) 16.Rf3 (16.Bf3 Nfd5 17.Bd5 Nd5=) 16...Ng4 (16...Nc2 17.Qc1 Ng4 18.Qc2 Nf2 19.Rf2 Bf2 20.Nb3+–) 17.e6? (17.Nb3 Nc2 18.Qc3 Na1 19.Nc5=) 17...fe6 18.Qe4? (18.d4 Rf3 19.Nf3 Nc2 20.Qe2 Na1 21.h3–+) 18...Rf3 (18...Nf2!? 19.Rf2 Rf2 20.Nb3 Rc2 21.Nc5 Rb2 22.Qe5–+) 19.Qf3 (19.Qg4 Rf5 20.Rc1–+) 19…Nf2 (19...Nf2 20.Kg1 Nfd3 21.Kh1 Nf2 22.Kg1 Rd2–+) 0–1. Meybohm,Dirk – Scheglmann,Eckhard, corr KMG–06, 1988.

5.Nf3 d5

6.a3 Ba5 7.e3 Bg4 8.g3 (8.Be2 c6=) 8...Nc6 9.Be2 0–0 10.0–0 Qe7 11.d3 Bf3 (11...Nc5!?+=) 12.Bf3= Ng5 13.Bd5 Ne5 14.Nd2 (14.Qe2!? c6 15.Bb3+=) 14...c6 (14...Nd3 15.Bd4 Rad8 16.cd3 Rd5 17.Nc4–/+) 15.Be4? (15.Bg2 Ng4 16.Re1 Rae8+= (worse is 16...Ne3 17.Bd4+=)) 15...Bb6 (better is 15...Bd2 16.Qd2 Ne4 17.de4 Nc4–/+) 16.d4?? (better is 16.Bd4=) 16...Ne4–+ 17.Ne4 Nc4 18.Qg4 Ne3 19.Nf6 (19.Qf4 Nf1 20.Rf1–+) 19...Qf6 20.Rf6 Ng4 21.Rf4 Ne5 22.Re1 Nc4 23.Bc3 (23.Bc1 g5 24.Rfe4 f5–+) 23...Rfe8 (23...Na3 24.Re2–+) 24.Ref1 (24.a4 Re1 25.Be1 Re8–+) 24...Ne3 25.R1f3 Nd5 26.Rf7 (26.Kf1 Nf4 27.Rf4 Re3–+) 26...Nc3 27.Rb7 Bd4 28.Kg2 Rf8 (28...Re2 29.Kh3 Ne4 30.Rfb3–+) 29.Rd3 (29.Rb4 Rf3 30.Kf3 Rd8–+) 29...c5 (29...Rf2 30.Kh3 c5 31.Rb2–+) 30.Rd2 Ne4 (30...Ne4 31.Re2 Nd6–+) 0–1. druhynejhorsi (1815) – ryhol2 (1815), internet, 2012.

6.ed6= Bd6 7.d3 Nf6=+ 8.e4 Bb4 9.c3 Ba5 10.Nbd2 0–0 11.Qc2 c5 12.Nb3 c4 13.dc4 Re8 14.Bd3 Bf5 15.0–0–0 Bg6 16.e5 Bd3 17.Rd3 Nfd7= 18.Rhd1 Bb6 19.c5 Bc7 20.c6 bc6 21.Nc5 Re7? 22.Nd7?? Rd7 23.Rd7 Nd7 24.Qf5 (24.Qf5 Qe8 25.Rd7+–) 1–0. Andersson,Lars H – Grehl,Siegfried, corr SOK–90–53, 1990.

6.e3 0–0=+ 7.c3 Ba5 8.Bd3 Nc6 9.Qe2 Bg4 10.a3? Ne5! 11.Rf1 Nf3 12.gf3–/+ Qh4 13.Kd1 Bh5 14.Kc2 Nc5–+ 15.Ra2?? Qa4 16.Kc1 Nb3 (16...Nb3 17.Kd1 Nd4 18.Kc1 Ne2 19.Be2 Qb3–+) 0–1. Busch,Karl – Scheglmann,Eckhard, corr KMG–06, 1988.

6.e3 Bg4 7.c3 Bc5 8.Be2 Bf3 9.Qa4 c6=+ 10.Bf3 b5 11.Qc2 Qh4 12.Ke2?? Ng3!–+ 13.hg3 Qh1 14.Qf5 0–0 15.e6 Qh6 16.ef7 Kh8?? 17.e4 de4 18.Be4 Na6 19.Bc6?? Qc6–+ 20.c4 Qg2 21.Kd1 Qg1 22.Kc2 Qg3 23.Qf6 gf6 24.Bf6 Qg7 25.Bg7 Kg7 26.cb5 Nc7 27.Nc3 Bd4 28.Rf1 Bc3 29.dc3 Rf7 (29...Rf7 30.Rg1 Kf8–+) 0–1. Meybohm,Dirk – Gloess,M, 1988.

4.fe5 Ng4

5.c3 Bc5? 6.d4 =+. Meybohm.

5.Nc3 0–0 6.Nd5=+ Ba5 7.Nf3 Re8 8.g3 Nc6 9.Bg2 Nge5 10.0–0 Nc4 11.Rb1 Ne7 12.e4 Nd5 13.ed5 b6 14.Bc1 Bb7 15.d3 Ne3 16.Be3 Re3 17.Nh4 Re5 18.c4 Qe8 19.Nf5 Kh8 20.Qg4 g6 (20...Qf8 21.d4 Ree8 22.h3=+) 21.Qg5 Rf5 22.Rf5 gf5 23.Qf6 Kg8 24.Qg5 Kh8 ½–½. Luzuriaga,Norberto Horacio – Pohl,W, corr KMG–37, 2000.

5.Nc3 d5 6.ed6 (6.Nf3!?+=) 6...Bd6–/+ (6...cd6?! 7.Nd5 Ne5 8.g3=) 7.Nf3 Nh2! 8.Qb1 (8.Nh2 Bg3 mate Mate attack; 8.Rh2 Bg3 mate Mate attack) 8...Bg3 9.Kd1 Nf1 10.Rf1 0–0 11.Ne4 Bf4 12.c4 f5 13.Nc3 c6 14.Qd3 Qe7 15.c5 (15.Nd4!? Qg5 16.Qh3–/+) 15...Qc5–+ 16.Ba3 Qa3 17.Qc4 Rf7 18.Qf4 Rf6 19.Rb1 Na6 20.Ke1 Qe7 21.Qe5 (21.Rh1 Nc5 22.Ne5 Qd6–+) 21...Re6 22.Qf4 Nc5 23.Qh4 Rf6 24.Rh1 h6 25.d4 Ne4 26.Ne4 fe4 27.Nd2 Bf5 (27...e3 28.Ne4 Re6 29.Nc5 Qh4 30.Rh4–+) 28.g4 Bg6 (28...Bh7 29.e3–+) 29.g5–/+ Rf7 30.gh6? (30.Nc4 Raf8 31.Ne5–+) 30...e3–+ 31.hg7 (31.Rb3 ed2 32.Kd2 Re8 33.Qe7 Rfe7–+) 31...Qh4 32.Rh4 ed2 (32...ed2 33.Kd2 Bb1 34.Rh8 Kg7 35.Ra8 Ba2 36.Ra7 Bd5–+) 0–1. Rooijen Van,Peter (1675) – Kiryushin,Anatoly (1750), SC–2012–0–00143, 2012.

5.Nc3 d6 6.Nf3 de5 7.e3 0–0 8.h3 Nf6 9.Ne5 Bc3 10.Bc3 Ne4 11.Nf3 Nc3 12.dc3 Qe7 13.Qd2 Nd7 14.Bd3 b6 15.0–0 Bb7 16.Rad1 Nc5 17.Nd4 Rae8 18.Nf5 Qg5 19.h4 Qf6 20.Rf4 Qe5 21.Bc4 Kh8 22.Qd4 f6 23.Bb5 Re6 24.Qd8 Rg8 25.Qd4 Be4 26.Qe5 Re5 27.Nd4 Ba8 28.Bc4 Rd8 29.Rff1 Re3 30.Nb5 Rf8 31.Rd4 Bb7 32.h5 Ba6 33.Nc7 Bc4 34.Rc4 Re5 35.Nb5 Rh5 36.Na7 Ra8 37.Re1 h6 38.Re7 Kh7 39.a3 Rg5 40.Kf2 Re5 41.Re5 fe5 42.Nb5 Kg6 43.Ke2 Kg5 44.Ke3 h5 45.Nc7 Ra3 46.Nd5 Nd7 47.Rc7 Nf6 48.Nb6 g6 49.Kd3 Ra1 50.Nc4 Re1 51.Rc5 Kf4 52.Rc6 Ng4 53.Rg6 e4 54.Kd2 Rg1 55.Rg8 Rg2 56.Ke1 Rc2 57.Rf8 Kg3 58.Nd6 e3 59.Nf5 Kg2 60.Rh8 Rc1 61.Ke2 Rc2 62.Ke1 Ra2 63.Ne3 Ne3 64.Rh5 Kf3 65.Rh3 Ke4 66.Rh4 Kd3 67.Rd4 Kc2 68.Rd2 Kb3 69.Ra2 ½–½. pvanr (2105) – yulio (2085), gameknot.com, 2013.

5.Nf3 d6 6.ed6 0–0 7.Nc3 Re8 8.dc7= Qc7 9.Qb1 Ne3 10.Nb5 Qe7 11.Bc3 Ng2 12.Kd1 Bc3 13.Nc3 Nh4 14.Nh4 Qh4 15.e3 Bg4 16.Be2 Be2 17.Ne2 Nc6 18.Qb7 Qf6 19.c3 Qf3 20.Re1 Rab8 21.Qa6 Ne5 22.Kc2?? Qe4–+ 23.d3 Nd3! 24.Qd3 Rb2!! 25.Kb2 Qd3 26.Rac1 (26.e4 Re4 27.Nd4 Qd2 28.Nc2 Re1 29.Re1 Kf8–+) 0–1. Albano,Vito – Baumann,Heinz, TT–17 ETC, 2005.

5.c3! Ba5??

6.Qa4 Ne3 7.de3+– (7.Qa5?! Qh4 8.g3 Qe4 9.de3 b6=).

6.e4 Ne5 7.Qh5 Nbc6 8.d4 Ng6 9.Nf3 d6 10.Bc4 0–0 11.Ng5 h6 –+. W Labahn.

6.Nf3?? d6 7.ed6 Qd6 8.e3 0–0 9.Ba3 (9.Be2 Rd8=) 9...c5+= 10.Be2 Nc6 11.0–0 Bc7 12.g3 Nh2 13.Kh2?? (13.Rf2 Qg3 14.Rg2 Nf3 15.Bf3–+) 13...Qg3 14.Kh1 Bg4 15.Qe1 (15.Rf2 Qf2 16.Qg1 Bf3 17.Bf3 Qf3 18.Qg2 Qd1 19.Qg1 Qh5 20.Kg2–+) 15...Bf3 16.Bf3 Qh2 0–1. ferminkatcho (1785) – ffmm (1850), internet, 2012.

5.c3 Be7

6.Qa4 Ne5 –+. Meybohm.

6.c4 Nh2! 7.Qb3 Nf1 8.Kf1 0–0 9.Qg3 Nc6 10.Nf3 Na5 11.Qh3 h6–+ 12.Qg3 Nc4 13.Bc3 Bg5 14.Rh5 g6?? 15.Rg5 hg5 16.Ng5 Qe7?? 17.Qh4+– Nd2 18.Nd2 f6 19.ef6 Rf6 20.Ndf3 d5 21.Bf6 Qf6 22.Qh7 Kf8 23.Rb1 Qf5 24.Qh8 Ke7 25.Rb3 b6?? 26.Re3 Kd6 27.Qd8 Kc6 28.Rc3 Kb5 29.Qc7 Qd7 30.Rb3 Ka4 31.Qf4 Ka5 32.Ra3 Kb5 33.Qa4 Kc5 34.Rc3 Kd6 35.Qb4# 1–0. Gross,Wilhelm – Bendig,Frank, corr, 1988.

6.c4 Nh2! 7.Qb3 (7.Rh2 Bh4 Decoy) 7...Nf1 8.Kf1 0–0 9.Qg3 Nc6 10.Qh3 h6 11.Qg3 f6 12.Rh6 fe5 13.Nf3 d6 14.e4 Rf4 15.Qg6 Bg4 16.Qh7 Kf8 17.Qh8 (17.Rh2!?–+) 17...Kf7 18.Qh7 Bf3 (18...Qg8 19.Qg6 Kf8 20.Rh2–+) 19.gf3 (19.Qg6 Kg8 20.gf3 Rf3 21.Ke1 Rf6 22.Qh7 Kf7 23.Rf6 Bf6 24.Qh5 g6 25.Qh7 Bg7–+) 19...Rf3 20.Ke2 Rf6 21.Rh2 Qc8 22.Qh5 g6 23.Qh7 Ke8 24.Rg2 Qe6 (24...Qe6 25.d3 Kd7–+) 0–1. Gross,Wilhelm – Bendig,Frank, private corr, 1988.

6.c4 Nh2!–/+ 7.Qb3 Nf1 8.Kf1 Nc6 9.Qg3 0–0 10.Nc3 d6 11.Nf3 de5 12.Nd5 f6 13.d4 ed4 14.Qc7 Bd6 15.Qd8–/+ Rd8 16.Rd1 Be6 17.Nd4 Nd4 18.Bd4 b6 19.Bb2 Rac8 20.Rh4 Rd7 21.Rd2 Rcd8 22.e3 Bg3 23.Rhd4 Be5 24.Ne7 Kf7 25.Rd7 Rd7 26.Rd7 Bd7 27.Be5 fe5 28.Nd5 Bf5 29.Ke2 h5 30.Nc3 Be6 31.Kd3 g5 32.Nb5 a5 33.Nc3 h4 34.Na4 b5 35.cb5 Bd5 36.e4 Ba8 37.Nb6+– Bb7 38.Nc4 Ke6 39.Na5 Bc8 40.Ke3 g4 41.Nc4?? h3+/– 42.gh3 gh3 43.Kf3 Bb7 44.Nd2 Kd6 45.Kg3 Kc5 46.Kh3 ½–½. Zylla,Johannes – Van Esbroeck, corr KMG–27, 1995.

6.d4 Ne3 7.Qd3 Nf1 8.Kf1. Meybohm.

6.e3 d6 7.Be2 Ne5 8.d4 Ng6 9.Nf3 Bh4 10.g3 Be7 11.0–0 Nd7 12.c4 Nf6 13.Nc3 Bh3 14.Re1 0–0 15.Ng5 Bf5 16.e4 Bc8 17.Nf3 c6 18.Rb1 Re8 19.Bc1 Qc7 20.Qc2 h6 21.Kg2 Qd7 22.Kg1 Bd8 23.Nd2 h5 (23...Bb6 24.Nb3–/+) 24.Nf3 h4 25.Nh4 Nh4 26.gh4 Bb6 27.Qd3 Qh3 28.Qh3 Bh3 29.Rd1 Ne4 30.Na4 Re6 0–1. marekt (2475) – gioco1b4 (2550), ChessWorld.net, 2013.

6.Nf3 d6 7.ed6 Bd6 8.Qa4 Nc6 9.Na3 0–0 10.Nb5 Bh2! 11.Rh2 (11.Nh2?? Qh4 12.g3 Qg3 13.Kd1 Nf2 14.Kc1 Nh1–+) 11...Nh2 12.Nh2 a6 13.Nf3 Be6 14.Nbd4 Nd4 15.Qd4 f5 16.Qd8 Rad8 17.Ne5! Rf6 18.c4 Rh6 19.Rb1 b6 20.d4 f4 21.Kf2 g5 22.e3 Rf8 23.e4 Rh4 24.c5 b5 25.d5 Bc8 26.a4 f3 27.gf3 ba4 28.Kg3 Rf6 29.Nc6 Rf7 30.Be5 Bd7 31.Rb8 Rf8 32.Nd8 Rh1 33.Kg2 Rh3 34.Bc4 1–0. Plock,Joerg – Borrmann,Fritz, email KMG–49, 2001.

6.Nf3 d6 7.ed6 Bd6 8.Qa4 Nc6 9.e3 0–0 (9...Bd7 10.Qe4 Nce5 11.Ne5 Ne5 12.c4–/+ (12.Qb7? Rb8 13.Qa7 Rb2–+)) 10.Ba3 Nce5 11.Bd6 Qd6 12.Qd4 Qf6 13.Be2 Nf3 14.Bf3 Qh4 15.g3 (15.Ke2 Re8+=) 15...Qh3 (15...Nh2!? 16.Qh4 Nf3 17.Kf2 Nh4 18.Rh4 f5–/+) 16.Qf4+= Re8 (16...c6 17.d4+=) 17.Be2 (17.Qc7 Ne5 18.Bb7 Bb7 19.Qb7 Rad8–/+) 17...Nf6 (17...Be6 18.Bf1 Qh5 19.Be2= (19.Qc7? Ne3 20.de3 Qf3–+)) 18.a4 (18.Qc7!? Nd5 19.Qc5=) 18...c6+= 19.a5 Re4 (19...Bg4 20.Bg4 Ng4 21.Qf1+=) 20.Qf1 Qh6 21.h3 21.Bf3 Bh3 22.Qd3 Re6+=) 21...Qg5 22.Bf3 (22.Qf3 Be6+=) 22...Qg3 23.Qf2 Qd6 (better is 23...Qf2!? 24.Kf2 Re7–/+) 24.Be4= Ne4 25.Qh2 (25.Qg2 Bf5=) 25...Qd5 (25...Qh2 26.Rh2 Ng5 27.Rg2 Nh3 28.d4=) 26.h4 Bd7 27.Na3?? Bg4 28.Qg2 Rd8 29.d4 Qe6 30.h5 Nc3–/+ 31.Nc2 Bf5 32.Qd2? Qb3 33.Rh2 Re8 34.Qc1 Qc4 35.Ra3? Nb5–+ 36.Ra1 c5 37.Qd2? cd4 (37...cd4 38.Na3 Qd5 39.Nb5 A) 39...Qb5?! 40.Qd4 h6 41.Rg2+= (41.Qa7 Qe5 42.Rha2 Qg3 43.Ke2 Bg4 44.Kd3 Rd8 45.Qd4 Bf5 46.Ke2 Rd4 47.ed4 Qd3 48.Kf2 Qd4 49.Kg2 Be4 50.Kf1 f5–+); B) 39...Re3 40.Kf2 Qb5–+) 0–1. Benassi,Aspasio (2290) – Raessler,Arndt (2245), VWC5/pr17 ICCF, 2012.

6.Nf3 d6 7.ed6 Bd6 8.Qc2 0–0 9.Ba3 Bh2 10.e3 (10.Nh2? Qh4 11.Kd1 Nf2 12.Kc1 Re8–+; < 10.Rh2 Nh2 11.Bf8 Nf3 12.ef3 Qh4 (< 12...Kf8 13.Qh7 g6 14.Bc4 Qe8 15.Kd1+=; 12...Qf8?! 13.d4–/+) 13.Kd1 Kf8–/+; 10.Bf8?? Bg3 11.Kd1 Ne3 12.Kc1 Nc2 13.Kc2 Qf8–+) 10...Re8 11.Ke2 Qd5 12.Rh2 (< 12.Nh2 Qh5 13.e4 Nh2 14.Kf2 Ng4 15.Kg1 Qg6–+) 12...Qh5?? (Better is 12...Nh2 13.Nh2 Bf5=) 13.Rh5+– 1–0. Pohl,W – Welti,Manfred, corr KMG–37, 1999.

6.Nf3 0–0

7.Qb3 Nc6 8.c4 d6 9.d4 de5 10.h3? Bb4 11.Nbd2 Bd2 12.Nd2 Nd4 13.Qc3 Qh4 14.g3 Nc2! 15.Kd1 Nge3 16.Kc1 Qg3 17.Nf3 Rd8 (18.Qc2 Nc2 19.Be5 Qf2 20.Kc2 Bf5 21.Kb2 Qb6 22.Ka3 Qa5 23.Kb3 b5 24.Nd4 bc4 25.Kc4 Rab8 26.a3 Qd5 27.Kc3 Qe5 28.Rd1 Qc5 29.Kd2 Qd4 30.Kc1 Qd1; 17...Na1?! 18.Qe3 Qg6 19.Ba1–+) 0–1. Blaszczak – Plock, corr 3GMM½–10 1997–98 (Plock).

7.Qc2 Nc6 8.c4 d6 9.ed6 Qd6 10.Nc3 Nb4 11.Qb3 Rd8 12.Ne4 Qg6 13.a3 Bf5 14.Nf6 Bf6 15.ab4 Bc2 16.Qa3 Nh2! 17.d3 Rd6 18.Bf6 Qf6 19.Qc1 Nf3 20.gf3 Re8 21.Kd2 Bb3 22.Qc3 Rd3 23.Qd3 Rd8 0–1. marekt – JohnL, ChessWorld.net, 2003.

7.Qc2 Nc6 8.c4 d6 9.ed6 Bd6 10.e3 Bh2 11.Ke2 Re8 12.Rh2 Nh2 13.Qc3 Ne5 14.Ne5 Qg5 15.Na3 f6 16.Nf3 Bg4 17.c5 Qh5 18.Qc4=+ Kh8 19.Qf4 Re5 (19...Re5 20.Be5 fe5–+) 0–1. Trokenheim,Marek (1800) – Riha,Josef (1995), FICGS, 2008.

7.Qc2 d6 8.ed6 Bd6 9.g3 Re8 10.Bg2 Na6 11.e3 Qf6 12.0–0 Bf5 13.Qa4 Nc5 14.Qd4 Qh6 15.Ba3 Re4 16.Qd5 Re5 17.Qd4 Be6 18.Qf4 g5 19.Qb4 Nb3 20.Qb7 Bd5 21.Qb3 Bb3 22.ab3 Ra5 23.h3 Nf6 24.Nd4 Re8 25.Bc6 Bg3 (25...Rb8 26.Bg2 Rb6 27.Bd6 Ra1 28.Nf5+=) 26.Kg2= g4 27.Kg3 Ne4 28.Be4 Qh3 (28...Qh3 29.Kf2 g3 30.Ke1 Re4–/+) 0–1. Fournier,Frederic (2095) – Chomicki,Henryk (2295), Cup XX–years Chess Club MDK Malbork Poland, 2003.

7.Qc2 d6 8.ed6 Bd6 9.g3 Nh2 10.Kd1 Bg3=+ 11.c4 Qd6 12.Nc3 Qh6 13.Nh2 Bh2+/– 14.Qe4 c6 15.Qg2+– Rd8 16.Ne4 Bf5 17.Nf6 Kh8 18.d3 gf6 19.Rh2 Qg7 20.Qf2 Bd3 21.ed3 Nd7 22.Kc2 a6 23.Bh3 Ne5 24.Rg1 Qg1 25.Qg1 Rg8 26.Qe3 Rg5 27.Be5 (27.Be5 Rh5 28.Bf6 Kg8 29.Rg2 Rg5 30.Rg5 Kf8 31.Qe7#) 1–0. Benassi,Aspasio – Rosner,Dirk, corr KMG–47, 1999.

7.Qc2 f6 8.ef6=+ Nf6 9.e3 d5 10.Be2 c5 11.c4 Nc6 12.cd5 Nb4 13.Qb3 Kh8 14.Nc3 Bf5 15.0–0 Bc2 16.Qc4 Nfd5 17.Ne5+/– Bf6 18.Nd5 Qd5 19.Qd5 Nd5 20.Rac1 Nb4 21.Rf6 gf6 22.Nd7 Bd3 23.Nf6 Rf7 24.Bf3 Kg7 25.Ng4 Kf8 26.Ne5 c4 27.Nf7 Kf7 28.a3 Nc6 29.Bd5 Ke7 30.Bc4 Bc4 31.Rc4 Rd8 32.Rh4 Rd2 33.Rh7 (33.Rh7 Ke6 34.Rb7+–) 1–0. Benassi,Aspasio – Plock,Joerg, corr KMG–47, 1999.

7.e3 Nc6 8.Bd3 h6 9.c4 d6 10.ed6 Bd6 11.Qe2 (11.Qc2!?–/+) 11...Nb4–+ 12.Kd1?? (12.Kf1 Bc5 13.Be4–+) 12...Nd3 (12...Nd3 13.Kc2 Ngf2–+) 0–1. Hecimovic,I (2160) – Martinovic,Sa (2520), Zagreb Open, 2015.

7.e3 d6 8.e6 Be6 9.Be2 d5 10.0–0 c5 11.h3 Nf6 12.c4 Nc6 13.cd5 Nd5 14.Nc3 a6 15.Qc2 Ndb4 16.Qb1 c4 17.a4 f5 18.a5 Rc8 (worse is 18...Na5 19.Nd4 Bc8 20.Ba3=) 19.Nd1 Bd6 (19...Bc5 20.Bc3 Bd5 21.Nb2 Na5 22.Na4+=) 20.Bc3–/+ Kh8 21.Ra4 Qe7 22.Kh1 Rcd8 (22...Bd5 23.Nb2 Be4 24.Qa1–/+) 23.Qa1 Nd3 24.Bd3 cd3 25.Nf2 Bb3 26.Rh4 Kg8 27.Nd3 Bg3 28.Rh5 g6 29.Rg5 Bh4 (29...Rd3?! 30.Rg3 Rd5 31.Ng5=) 30.Nh4 Qg5 (30...Rd3?! 31.Nf3=) 31.Nf3 Qe7 32.Nf4 Bd5 33.h4 Bf3 34.gf3? Qh4–+ 35.Kg2 Qe7 36.Rh1 Rd6 37.Kf2 Rf7 38.Qb2 g5 39.Rg1 h6 40.Rg2 Qd8 41.Qa2 Ne5! 42.Ke2 Qd7 43.Qb3 Ng6 44.Ng6 Rg6 45.Ke1 f4 46.Qb1 Kh7 47.Qe4 fe3 48.de3 Qf5 49.Qf5 Rf5 50.Rb2 Rf3 51.Rb7 Kg8 52.Ke2 Rf7 53.Rb1 h5 0–1. Benassi,Aspasio (2290) – Meiners,Edwin (2340), VWC5/pr17 ICCF, 2012.

7.e4 d6 =+.

7.g3 d6 8.ed6 Qd6 9.Bc1 Bf5 10.d4 Nd7 11.Bg2 Nb6 12.0–0 Nd5 13.Nh4 Be6 14.Bd5 Qd5 15.e4 Qe4 16.Rf4= Qd5 17.Rg4 h5 18.Rf4 g5 19.c4 Qd7 20.Re4 gh4 21.Qh5 Bf6 22.Nc3? Bd4–+ 23.Be3 Bc3 24.Rd1 Qe7 25.Bd4 Bd4 26.Rdd4 f5 27.Qg6 Qg7 28.Qe6 Rf7 29.Rh4+/– Raf8 30.Rhg4 fg4+= 31.Rg4 Qg4 32.Qg4+/– Rg7 33.Qe6 Kh8 34.a4 Rd8 35.Qe5 Kg8 36.h4 Rdd7 37.Qe6 Kh7 38.Kh2 (38…b6 39.Qe4 Kh6 40.g4+/–) 1–0. Bendig,Frank – Badolati,Sergio E, CiF TT–04–0014 A, 2004.

6.Nf3 Nc6

7.d4 d6 8.ed6 Bd6 9.Qd3 Qe7 10.e4 Nh2 11.e5 Nf3–/+ 12.gf3 Be5!–+ 13.de5 Ne5 14.Qc2 Nd3 15.Kd2 Qe1 16.Kd3 Bf5 (16...Bf5 17.Kc4 Qe6 18.Kb4 a5 19.Ka3 Qd6 20.Kb3 a4 21.Kc4 Be6 22.Kb5 Qb6#) 0–1. Dobrzycki,Bogumil – Bendig,Frank, corr KMG–34, 1996.

7.d4 Ne3 8.Qd3 Nf1 9.Rf1 d6 10.ed6 Bd6 11.c4 Nb4 12.Qb3 Bf5 13.Na3 Qe7 14.c5 Nd3 15.Kd1 Nb2 16.Qb2 Bf4 17.Nd2 Qg5 18.Nb5 0–0 19.g3 Bd2 20.Qd2 Qd2 21.Kd2 Bh3 ½–½. Benassi – Plock, corr KMG_44 1998.

7.d4 Ne3 8.Qd3 Nf1 9.Rf1 d6 10.ed6 Bd6 11.d5 Ne5 12.Ne5 Be5 13.Qe3 Qe7 14.Ba3 Qh4 15.g3 Qh5 16.Nd2 Kd8 17.Rf2 Re8 18.Qd3 Qg6 19.Qg6 fg6 20.Bb2 Bf6 21.0–0–0 Bg4 22.Re1 c6 23.c4 cd5 24.Bf6 gf6 25.cd5 Rc8 26.Kb2 Rc5 27.e4 f5 28.h3 Bh3 29.Rh2 Bg4 30.Rh7 Rd5 31.ed5 Re1 32.Rb7 Re5 33.Ra7 Rd5 34.Kc2 Rc5 35.Kd3 Rc1 36.Kd4 Rd1 37.Ke3 Re1 38.Kf4 Bh5 39.Ra3 Kd7 40.Kg5 Ke6 41.Nf3 Re4 42.Ng1 Rg4 43.Kh6 f4 44.Ne2 fg3 45.Ng3 Rh4 46.Nh5 gh5 ½–½. Loots – Plock, corr KMG_47 1999.

7.e4 Nge5 8.d4 Nf3 9.Qf3=+ d6 10.Bc4 Bf6 11.0–0 0–0 12.Nd2 Be6 13.Be6 fe6 14.Qg4 Qe7 15.Nf3 Rf7 16.c4 Raf8–/+ 17.Rab1 g6 18.Rfe1 Bg7 19.d5 Bb2 20.dc6= Qf6 21.cb7+= Rb8 22.e5 Be5 23.c5 c6 24.cd6 Bd6 25.Re6 Bc5 26.Kf1 Qc3 27.Rc6?? Qd3–+ (27...Qd3 28.Ke1 Re7 29.Re6 Qb1 30.Kd2 Qb2 31.Ke1 Qf2 32.Kd1 Rd8 33.Qd4 Bd4 34.Rb6 Be3 35.Rd6 Rd6 36.Nd4 Rd4#) 0–1. Landgraf,Manfred – Van Esbroeck,Dirk, corr KMG–27, 1993.

7.e4 Nge5 8.d4 Ng6.

7.d4 Ne3

8.Qd3 Nf1

9.d5 Nh2 10.Rh2 Na5 11.Rh7 Rh7 12.Qh7 =.

9.Rf1 d6 10.ed6 Bd6 11.c4 Nb4=+ 12.Qb3 Bf5 13.Na3 Qe7 14.c5 Nd3 15.Kd1 Nb2 16.Qb2 Bf4 17.Nd2 Qg5= 18.Nb5 0–0 19.g3 Bd2 20.Qd2+= Qd2 21.Kd2+/– Bh3 ½–½. Benassi,Aspasio – Plock,Joerg, corr KMG–44, 1998.

9.Rf1 d6 10.ed6 Bd6 11.d5 Ne5=+ 12.Ne5 Be5 13.Qe3 Qe7 14.Ba3 Qh4 15.g3 Qh5 16.Nd2 Kd8 17.Rf2 Re8 18.Qd3 Qg6 19.Qg6= fg6 20.Bb2 Bf6 21.0–0–0 Bg4 22.Re1 c6 23.c4 cd5 24.Bf6 gf6 25.cd5 Rc8 26.Kb2 Rc5 27.e4 f5 28.h3 Bh3 29.Rh2 Bg4 30.Rh7 Rd5 31.ed5 Re1 32.Rb7 Re5 33.Ra7 Rd5 34.Kc2 Rc5 35.Kd3 Rc1 36.Kd4 Rd1 37.Ke3 Re1 38.Kf4 Bh5 39.Ra3 Kd7 40.Kg5 Ke6 41.Nf3 Re4 42.Ng1 Rg4 43.Kh6 f4 44.Ne2 fg3 45.Ng3 Rh4 46.Nh5 gh5 ½–½. Loots – Plock,Joerg, corr KMG_47, 1999.

9.d5 Na5

10.Na3 d6 11.ed6=+ cd6 12.Rf1= 0–0 13.0–0–0 Bd7=+ 14.e4 Bf6 15.c4 Rc8 16.Bf6 Qf6 17.Kb1 b6 18.Qd4 Qd4 19.Rd4= Nb7 20.e5+= Rfe8 21.Re1 de5 22.Re5 Re5 23.Ne5+= Bf5 24.Kb2 Re8= 25.Nc6 Re2 26.Kc1 Ra2 27.Ne7 Kf8 28.Nf5 Ra3 29.Kb2 Ra5 30.Rd1 g6 31.Ne3 Nd6 32.Kb3 Rc5 33.Kc3 f5 34.g3 Rc7 35.Rc1 b5 36.Kd3 bc4 37.Nc4 a5 38.Rc2 Rc4 39.Rc4 Nc4 40.Kc4 Ke7 (41.h4 Kd6–+) 0–1. Wozniak – Zylla,Johannes, corr 3GMM–33, 1997.

10.Na3 d6 11.ed6=+ Qd6 12.Rf1 Bd7 13.Nc2 0–0 14.c4 Bf6 15.Ba3 c5= 16.Rb1 b6 17.Bc1 h6 18.Bd2 Nb7 19.Na3 Qe7 20.Bf4 Nd6 21.Bd6 Qd6 22.e4 Rfe8–/+ 23.Kf2 Qf4 24.Rfe1 Bd4 25.Kf1 Re5 26.Nc2 Rae8 27.Ncd4+= cd4 28.g3 Qf6 29.Kg1 R5e7 30.e5 Qf5 31.Rb3 Qd3 32.Rd3+/– Bg4 33.Kg2 Bf3 34.Kf3 Re5 35.Re5 Re5 36.Rd4 Kf8 37.d6 Re8 38.Kf4 g6 39.a4 f6 40.a5 Kf7 41.ab6 ab6 42.d7 Rd8+= 43.Rd6 Ke7 44.Rb6 Rd7 45.Ke4 Rd2 46.h4 Rc2 47.Kd5 Rd2 48.Ke4 Rc2 49.Kd5 (49.Kd4 Rd2 50.Ke3 Rg2=) ½–½. Ruecker,Udo – Kucharkowski,Jens, corr KMG–26, 1993.

10.Na3 d6 11.ed6=+ Bd6 12.Rf1 0–0 13.c4 Bb4 14.Kf2 Bc5 15.e3 =.

10.Na3 Nh2 11.Rh2 Bf8 12.Rh7 Rh7 13.Qh7 =.

10.Rf1= 0–0 11.d6 cd6 12.ed6 =.

10.Rf1= d6 11.ed6 cd6 12.Nbd2 0–0 13.e4 Bf6 14.Rb1 Re8 15.c4 Bb2 16.Rb2 b6 17.Kf2 Ba6 18.Re1 Rc8 19.Rc2 b5 20.cb5= Qb6 21.Kg3 Bb5 22.Rc8 Rc8 23.Qe3 Qe3 24.Re3+= Nc4 25.Rc3 Nb6 26.Rc8+/– Nc8 27.Nd4 Ba6 28.Kf4+/– f6 29.h4 h5 30.Ke3 Kf7 31.a4 g6 32.Nc6 Ke8 33.Nb4 Bb7 34.a5 Ne7 35.Nc4 Kd7 36.Kd4 Kc7 37.Na3 a6 38.Nc4 Bc8 39.Nb6+/– Bb7 40.Nc4 Bc8+= 41.Ne3 Bb7 42.g3 Kd7 43.g4+/– hg4 44.Ng4 Ng8 45.Ne3 Ne7+= 46.Ng2 Bc8 47.Nf4 Kc7 48.Nfd3 Kb7 49.Nc2 Ng8 50.Nf4 Ne7+= 51.Ne3 Kc7 52.Nf1 g5+= 53.hg5 fg5= 54.Nd3 Bd7 1–0. Plock,Joerg – Schirmer,Michael, corr 3GMM–29, 1995.

5.Nc3 Ne5–/+

6.Nd5 Nbc6 7.Nf3 Nf3 8.ef3 0–0 9.f4 Re8 10.Kf2 d6 11.Kg3 Bc5 12.d4 Bb6 13.Bb5 Bd7 14.a4 Ba5 15.c3 Bf5 16.Qh5 Bg6 17.Qg5 Qg5 18.fg5 a6 19.Bc4 1–0. Rooijen Van,Peter (1655) – Ponting,Andrew (1880), RB–2009–0–00073, 2009.

6.Nd5 Bd6 7.Nf3 Nf3 8.ef3 0–0 9.f4 Re8 (9...Re8 10.Kf2 Bc5 11.Kg3 d6–/+) 0–1. Rooijen Van,Peter (1655) – Bilsel,Sabahaddin (1930), 8. LSS No Engine Cup Final, 2010.

6.Nd5 Bd6 7.Nh3 0–0 8.e3 c6 9.Ndf4 Bc7 10.Be2 d5 11.0–0 Nbd7 12.Rb1 Re8 13.Nd3 Nf6 14.Nhf4 Nd3 15.Bd3 Be5 16.Be5 Re5 17.Qc1 b6 18.Be2 Qe7 19.Qe1 Bf5 20.Rb2 Qa3 21.Qc1 c5 22.Rb1 Qc1 23.Rbc1 Rd8 24.c3 g5 25.Nh3 Bg4 (25...g4 26.Bg4 Ng4 27.d4 Ne3 28.de5 Nf1 29.Rf1 Bh3 30.gh3–+) 26.Bg4 Ng4 27.Rf3 Rde8 28.Rcf1 R8e7 29.Nf2 Nf2 30.R1f2 h5 31.Rf6 d4 32.cd4 cd4 33.R2f5 de3 34.de3 Re3 35.Rg5 Kf8 36.g3 Re1 37.Kg2 R7e2 38.Rf2 Rf2 39.Kf2 Ra1 40.Rh5 Ra2 41.Ke3 a5 42.Kd4 Rb2 43.Kc3 Rb4 44.Rh8 Kg7 45.Ra8 f5 46.Rb8 Kg6 47.h4 b5 48.Rg8 Kh5 (Better is 48...Kf6!?–/+) 49.Rg5= Kh6 50.Rf5 Rg4 ½–½. Luzuriaga,Norberto Horacio – Welti,Manfred, corr KMG–37, 2000.

5.c4? Ne3

6.Qb3 Qh4 7.g3 Qe4 8.Nf3 Nc2 9.Kd1 Na1 10.Ba1 Nc6 11.a3 Ba5 12.Nc3 Bc3 13.Bc3 0–0 14.Bg2 d6 15.Nh4 Nd4 16.Qb2?? Qe2–+ 17.Kc1 Qc4 18.ed6 Ne2 19.Kd1 Nc3 20.dc3 Bg4 21.Kc1 cd6 (21...cd6 22.Qb4 Qe6–+) 0–1. Kulbacki,James – Hahn,David, East Lansing ch–MI op, 1982.

6.Qb3 Qh4 7.g3 Qe4 8.Nf3 Nc2 9.Kd1 Na1 10.Ba1 Nc6 11.d4 a5 12.a3 Be7 13.d5–/+ a4 14.Qd3 Qd3 15.ed3 Na5 16.Bg2 Nb3 17.Bb2 0–0 18.Nc3=+ d6 19.Nb5 Bd7 20.ed6 Bd6–/+ 21.Nd6 cd6 22.Nd4 Nd4 23.Bd4–/+ Bg4 (23...Bg4 24.Kd2 Rae8–/+; 23...b5 24.Kd2–/+) 0–1. Sternik,Ryszard – Kucharkowski,Jens, corr KMG–30, 1994.

5.e4? Ne3

6.Qf3? Nc2 7.Kd1 Na1 8.Bc4 Qe7 9.Nh3 b5 10.Bb5 Ba6 11.Ba4 Nc6 12.Qg3 0–0–0 13.Ba1 f6 14.Nf4 Ne5–+ 15.Qe3 Qc5 16.Bd4 Qa5 17.Bb3 Nc4 18.Qf2 Nb6 19.a3 Bd6 20.Nc3 Qa3 21.Kc2 Bf4 22.Qf4 Bd3 23.Kd3 Qb3 24.Rb1 Qc4 25.Ke3 Rhe8 26.d3 Qc3 27.Bc3 Nd5 28.Kf3 Nf4 29.Kf4 d5 (29...d5 30.e5 d4–+) 0–1. Labahn,Wolfgang – Kaminski,Marcin (2315), Berliner Sommer 8th, 1990.

6.Qc1 Qh4

7.Ke2 Nc4! 8.Nc3 Bc3 9.Bc3 Qe4 10.Kd1 d5. Meybohm.

7.Ke2 Nc4! 8.d3? Nb2 9.Qb2 Qe1! –+. Meybohm.

7.Ke2 Qe4? 8.de3 +–. Meybohm.

7.Ke2 Nf1 8.Qf1 Qe4 9.Kd1 d5 –/+.

7.Ke2 Nf1 8.Kf1 Qe4 9.d3 Qf5 10.Nf3 b6 11.Qg5 Qg5 12.Ng5 Bb7 13.Kf2 Nc6 14.c3 Ne5 15.Re1 0–0–0 16.Re5 f6 17.Nf7 (17.Re1 fg5 18.cb4) 17...fe5 18.Nd8 Bc5 19.d4 ed4 20.cd4 Be7 21.Nb7 Kb7 –+. Meybohm – Cuno, Halberstadt 1990.

7.g3 Qe4! –+. Meybohm.

5.Nf3 0–0

6.Nc3 Nc6 7.Nd5 Ba5 8.c4 Re8–/+ 9.Qa4 b6 10.Qb3 Nge5 11.g3 Ba6 12.Rc1 Rb8 13.Bg2 b5 14.c5 Nc4 15.Rc2 Bb7 16.0–0 Re2 17.Qd3 Re6 18.Nd4 Qf8 19.Nc6 dc6 (19...dc6 20.Nf4 Rh6–+ (20...Nb2?! 21.Qa3 Re5 22.Qa5–/+); 19...Qc5 20.Qd4 Qd4 21.Nd4 Nb2 22.Rb2 Bd5 23.Ne6 Bb6 24.Nc5 Bc5 25.Kh1–+) 0–1. Boehnke,Hartmut (2045) – Reuter,Markus, corr ICCF EU–EM–M–005, 2002.

6.e3 d6 7.ed6 Bd6 8.Be2 Nc6 9.0–0 Qe7 10.Nc3 Be6 11.Ne4 Nce5 12.Nd6 cd6 13.h3 Nf3 14.Bf3 Ne5 15.d3 Nf3 16.Qf3 b6 17.c4 Rad8 18.Qg3 d5 19.Qg7 1–0. ferminkatcho (1675) – svetozar (1680), internet, 2014.

5.Nf3 Nc6

6.a3 Ba5–/+ 7.Bc3 Bc3 8.Nc3 Nge5 9.e3 0–0 10.Bd3 Nd3 11.cd3 d5 12.d4 Na5 13.0–0 c6 14.d3 Qe7 15.Qe1 Re8 16.Nd1 b6 17.Ra2 Ba6 18.Qc3 c5 19.dc5 Qc5 20.Rc2 Rac8 21.Ne1 Qc3 22.Rc3 f6 23.Rc8 Rc8 24.Kf2 Nb3 25.Ke2 Bb7 26.Rf4 a5 27.h4 b5 28.Kf2 Nd2 29.h5 h6 30.Rf5 b4 31.Rf4 b3 32.Ke2 Nb1 33.Nb2 Rc1 34.a4 Bc8 35.g4 Bd7 36.d4 Bc8 37.Ned3 Nc3 38.Kf2 Rc2 39.Kf1 Ba6 40.Rf2 Na4! (40...Na4 41.Ke1 Nb2 42.Nb2 Rf2 43.Kf2 Bb5–+) 0–1. Baensch,Hans – Taulien,Hans_Juergen, RSX5D – A00 – KMG–1, 2003.

6.c3 Ba5 7.Qa4 0–0 8.Qg4 1–0. ferminkatcho (1805) – adamjurek8 (1970), internet, 2013.

6.Bc3 Bc3–/+ 7.Nc3 Nge5 8.e3 0–0 9.Be2 d5 10.0–0 d4 11.ed4 Nf3 12.Bf3 Nd4 13.Bd5 c6 14.Be4 f5 15.Bd3 Be6 16.Ne2 Ne2 17.Be2 Qg5 18.Bf3 Rad8 19.d3 Qe3 20.Kh1 Qc5 21.Qe2 Rfe8 22.Qd1 Qc3 23.Qc1 b6 24.h3 g6 25.Kh2 Bd5 26.Bd5 Rd5 27.Rb1 Re2 28.Re1 Rde5 29.Re2 Re2 30.Qg5 Qc2 31.Qd8 Kf7 32.Rg1 Qa2 33.Qc7 Re7 34.Qc6 Qe6 35.Qc2 b5 36.Rb1 a6 37.Kh1 Qd6 38.Qb3 Kg7 39.Qb2 Kh6 40.Qd2 f4 41.g3? Re3 0–1. Wallace,Gary – Fournier,Frederic (2095), KMG, 2009.

6.Nc3 d6 7.Nd5 Ba5 8.ed6 Qd6 9.e4 0–0 10.Bc4 Bf5 11.Ng5 Rae8 12.Qe2 h6= 13.Rf1 Bg6 14.Nf7 Rf7 15.Rf7 Bf7 16.Qg4 Ne5 17.Qg3 Bd2 18.Ke2 Bg5 19.Bb3=+ Kh8 20.Kf1 Bd5 21.ed5 Bf4 22.Qf4 Rf8–+ 23.Qf8 Qf8 24.Ke2 Qf4 25.Re1 Ng4 26.Kd3 Nf2 27.Ke2 Ne4 28.Rf1 Qd2 29.Kf3 Ng5 (29...Ng5 30.Kg3 Qe3 31.Kh4 Qe2 32.Rf8 Kh7–+) 0–1. pcmvr (2775) – pawnder, net–chess.com, 2008.

6.Nc3 d6 7.e3 0–0 8.ed6=+ Qd6 9.a3 Ba5 10.Bd3 Nce5 11.Ne5 Ne5 12.Bh7 Kh7 13.Qh5 Kg8 14.Ne4 Bd2 15.Nd2 Re8 16.Qg5 f6 17.Qg3 Ng4 18.Qd6 cd6 19.e4 d5 20.h3 Nh6 21.0–0–0 de4 22.Rhe1 Bf5 23.Nc4 Nf7 24.Ne3 Be6 25.Rd4 f5 26.Rf1 Nh6 27.g4 g6 28.Rg1 f4 29.Nd1 Nf7 30.Re4 Ng5 31.Rb4 Bd5 32.Nf2 Rac8–/+ 33.Rf4 Re2 34.c3 Ne6 35.Rf6 Nd4 36.Rf4 Nb3 37.Kb1 Nd2 38.Ka1 Nc4 39.Bc1 Rc5 40.Nd3 Na3! 41.Nb4 Be6 42.Ba3 Ra5 43.Kb1 Ra3 44.Rf3 a5 45.Nc2 Ra2 46.Rf6 Rec2 (46...Rec2 47.Re6 Rcb2 48.Kc1 a4 49.Rg6 Kh8 50.Rh6 Kg7–+) 0–1. pcmvr (2735) – cornstalk (2655), net–chess.com, 2007.

6.Nc3 Nge5–/+ 7.e3 d5 8.Ne5 Ne5 9.Qh5 Bd6 10.Be2 h6 11.Nb5 g6 12.Nd6 cd6 13.Bb5 Bd7 14.Bd7 Qd7 15.Qh4 Rc8 16.0–0 Rc4 17.Bd4 Qe7 18.Qf4 b6 19.c3 Ra4 20.Rfb1 g5 21.Qf5 Qe6 22.Qc2 Ra5 23.Rf1 0–0 24.Rf5 f6 25.Raf1 Kg7 26.d3 Rf7 27.Kh1 Qd7 ½–½. pcmvr (2730) – pslchess (2590), net–chess.com, 2007.

6.e4 Ne3 7.Qc1 Nf1 8.Kf1 b6 9.Nc3 Ne7 10.Nd5 Nd5=+ 11.ed5 0–0 12.Kg1 Re8 13.Qf1 Bb7 14.Qc4 Ba5 15.Re1 c5 16.dc6 Bc6 17.Re3 b5 18.Qf4 Bd5–/+ 19.a4 ba4 20.Bd4 Qc7 21.Qf5 Rac8 22.c3 h6 23.Kf2=+ a3 24.Nh4 Bb6–/+ 25.Ra1 Bd4 26.cd4 a2 27.Qg4 Be6 28.Nf5 Bf5 29.Qf5 Qa5 30.Re2 Qd5 31.Re3 Re6 32.Qf4 d6–+ 33.Qe4 Qa5 34.Ree1 Rce8 35.Qc2 Qb6 36.Qc5?? dc5 (36...dc5 37.Ra2 c4–+) 0–1. Bendig,Frank – Luzuriaga,Norberto Horacio, corr KMG–37, 2000.

6.e4 Ne3 7.Qc1 Nf1 8.Rf1 0–0 9.Nc3 Re8 10.Nd5 Ba5 11.Kd1 d6 12.ed6 cd6 13.d3= Nb4 14.Nb4 Bb4 15.Rb1 a5 16.Qf4 Qe7 17.a3 Bc5 18.Nd4 Be6 19.c4 Qd7= 20.Qg3 f6 21.Ne6+= Re6 22.Qg4 Rd8 23.Bc3 b6 24.Kd2 Qe7 25.Qf5 Re8+= 26.Bb2 Qf7 27.g4 R6e7 28.g5 fg5 29.Qf7 Rf7 30.Rf7 Kf7 31.d4 Re4+= 32.dc5 bc5 33.Rf1 Rf4 34.Rf4 gf4 35.a4 g5 36.Bc3 Ke6 37.Ba5 g4 38.Ke1 Kd7+/– 39.Bd2 h6? 40.Bf4 1–0. Armstrong,Alan – Bendig,Frank, corr KMG–38, 1998.

6.g3 d6 7.ed6=+ 0–0 8.Bg2?? Bd6 9.0–0= Qe7 10.d3?? Nf6?? 11.e4 Bg4 12.Qe1 Bc5 13.Kh1 Rad8 14.Nbd2 Nb4 15.e5 Bf3 16.Rf3 Ng4–/+ 17.e6? fe6–+ 18.Qe4? Rf3 19.Qf3 Nf2 (19...Nf2 20.Kg1 Nfd3 21.Kh1 Nf2 22.Kg1 Rd2–+) 0–1. Meybohm,Dirk – Scheglmann,Eckhard, corr, 1989.

6.c3 Be7

7.d4 d6 8.ed6 cd6 9.Qd2 f5 10.Na3 0–0 11.e3 Bg5 12.Ng5=+ Qg5 13.Bc4 Kh8 14.Nc2 Nh2 15.0–0–0 Ng4–/+ 16.Rh3 Nf6 17.Nb4 Nb4–+ 18.cb4 d5 19.Bb3 Bd7 20.Rdh1 Rac8 21.Bc2 Ba4 22.Bc3 Bc2 23.Kc2 Ne4 24.Rh7 Kg8 25.Rh8 Kf7 26.R1h5 Rc3 27.Qc3 Qg2 28.Kb3 Nc3 29.Rf8 Kf8 30.Rf5 Kg8 31.Kc3 Qa2 0–1. Bonetti,Shane – nenchess, ICC, 2002.

7.d4 d6 8.ed6 Bd6 9.Qd3 0–0 10.Nbd2 Re8 11.e4 Qf6 12.Be2 Bf4 13.Nf1 Qg6 14.g3 Bh6 15.h3 Nf6 16.e5 Bf5 17.Qb5 a6 18.Qb3 Na5 19.Qa4 Bd3–/+ 20.Bd3 Qd3 21.Qd1 Qg6 22.Kf2 Nc4 (22...Nc4 23.Qe2 Ne4 24.Kg2 b5–/+) 0–1. marcosramos (2410) – duder (2000), net–chess.com, 2007.

7.d4 d6 8.ed6 cd6 9.e4 Ne3 10.Qe2= Nf1 11.Rf1 0–0 12.d5 Na5 13.Nbd2 Bg4 14.0–0–0 Bf6 15.Kb1 Re8 16.h3 Rc8?? 17.hg4+– Bc3 18.Bc3 Rc3 19.Qf2 Qd7 20.Nd4 Nc4 21.Nc4 Rc4 22.Qf3 Rb4 23.Ka1+– Ra4 24.Rh1 Re5 25.Rh5 Re8 26.Rhh1 Re5 27.Qh3 h6 28.Nf5 Ree4 29.Rd2 Qc7 30.Qd3 Rac4 31.Rb1 Qd8 32.Qa3 Rc5 33.Qa7 Qf6 34.Rdb2 ½–½. Pohl,W – Luzuriaga,Norberto Horacio, corr KMG–37, 2000.

7.d4 d6 8.ed6 Bd6 9.e4 Bh2!–+ 10.Qc2 Bg3 11.Ke2 Qe7 12.e5 Be6 13.Kd2 Bf4 14.Ke1 0–0–0 15.Rh7? Nce5! 16.Ne5 Be5 17.de5 Rh7 18.Qh7 Qc5 (18...Qc5 19.Qh4 Qe3 20.Be2 g5 21.Nd2 Rd2 22.Qh8 Kd7 23.Qc8 Kc8 24.Bc1 Qe2#) 0–1. Icic,Mladen – Luzuriaga,Norberto Horacio, corr KMG, 1998.

7.e4 d6 8.ed6 cd6 9.Qb3=+ 0–0 10.Be2 Na5 11.Qc2 d5 12.ed5 Bf6 13.c4 Nc4 14.Bf6 Qf6 15.Qc3 Nce5 16.0–0 Qf4 17.g3 Qh6 18.Nh4 Re8 19.Na3 Bd7 20.Rab1 Rab8 21.Rbe1 Nf6 22.Bb5 Nd5 23.Qd4 Qb6 24.Qb6 Nb6 25.Bd7 Nbd7 26.d4 Nc6 27.Re8 Re8 28.Nc2 Nf6 29.Nf5 Kf8 30.Rf3 Re2 31.Rf2 Re6 32.Rf3 a6 33.h3 g6 34.Nfe3 b5 35.Kg2 Ne7 36.g4 h6 37.a3 Ned5 38.Nd5 Nd5 39.Kf2 Ke7 40.Na1 a5 41.Rb3 Rb6 42.Nc2 f5 43.gf5 gf5 44.h4 Kf6 45.Rb2 f4 46.Ke2 Kf5 47.Kd3 b4 (47...b4 48.ab4 Nb4 49.Nb4 ab4–+) 0–1. Benassi,Aspasio (2155) – Halwick,Floyd J Jr (2395), Telechess, 2003.

5.Nf3 d5

6.c3 Be7 7.e3 Nc6 8.Bb5 0–0 9.Bc6 bc6 10.Qa4 c5 11.0–0 Qd7 12.Qd7 Bd7 13.c4 Rab8 14.Ba3 dc4 15.h3 Nh6 16.Rc1 Be6 17.Nc3 Rb6 18.Ne4 Rb5 19.Rc2 Ra5 20.Bb2 Rb8 21.Nc3 Ra6 22.e4 Rab6 23.Ba3 c6 24.Kf2 Ra6 25.Bb2 Bd8 26.g4 Kh8 27.Ne2 Bc7 28.Nf4+= Bc8 29.Bc3 Bb7 30.Nh5+/– Ba5 31.Ba5 Ra5 32.Rc4 Ba6 33.Rc3 Rb2 34.a3 Ng8 35.Ng3 Ne7 36.Nf5 Ng6 37.Nd6 Kg8 38.Ke3 Kf8 39.h4 h6 40.h5 Ne7 41.g5 Nc8 42.gh6 gh6 43.Nf5. Kucharkowski,Jens – Plock,Joerg, email KMG–50, 2002.

6.c3 Be7 7.e3 Nc6 8.Bb5 0–0 9.Bc6 bc6 10.Qa4 Bf5 11.0–0 (11.Qc6? Rb8 12.Ba3 Bb1 13.Be7 Qe7 14.Qd5 Rfd8–+) 11...Be4 12.c4 (worse is 12.Qc6 Bf3 13.gf3 Ne5–/+) 12...Rb8 13.Bc3 dc4 14.Na3 (14.Qa7 Bd3 15.Re1 Bh4=) 14...Bd3+= 15.Nc4 Bf1 16.Rf1 c5 17.Na5 Nh6 18.Nc6 Qd7 19.Ne7 Qe7 20.g4 Kh8 21.h3 Rb7 22.Qf4 Rb6 23.Kh2 Re6 24.h4 Rg6 25.g5 Ng8 26.h5 Rb6 27.e6 (27.h6!? Qe6 28.hg7 Kg7 29.a4+=) 27...fe6–/+ 28.Qe4 e5! 29.h6 Nh6 30.gh6 Rh6 31.Kg2 Rg6 32.Kf2 Rgf6 33.Ke2 Qe6 34.Rh1 Qa6 35.Ke1 h6 36.Qe5 Qa2 37.Qe4 Qe6 38.Ng5 Qe4 39.Ne4 Rc6 40.Rh5 c4 41.Rc5 Rc5 42.Nc5 Re8 43.Na6 Rc8 44.e4 c5 45.Kf2 Kg8 46.Ba5 g5 47.e5 h5 48.e6 Rc6 (48...Rc6 49.Nc7 Kf8–+) 0–1. Fournier,Frederic (2095) – Joutsi,Jukka, Northern Lights (thematic), 2004.

6.ed6 Bd6 7.g3 h5 8.Bg7= Rh7 9.Bd4 h4 10.gh4 Rh4 11.Bf2 Bh2 12.Bg2 Qd6 13.Nc3 Nf2 14.Kf2 Bg3 15.Kg1 Rh1 16.Kh1 c6 17.Rb1 Nd7 18.Ne4 Qh6 19.Kg1 Bc7 20.e3 Nb6 21.Nc5 Nd5 22.Qe1 Qg6 23.Nd3 Bg3 24.Qc1 f6 25.a4 b6 26.a5 ba5 27.Nd4 Qh5 28.Nf3 Bg4 29.Qf1 Rb8 30.Rb8 Bb8 31.Nde1 Ne7 32.Qf2 a4 33.d4 a3 (33...a3 34.c4 Qa5–+) 0–1. Woschkat,Karl_Heinz – Arndt,Stefan (2070), DESC, 2000.

5.Nf3 Ne3

6.Qc1 Ba5 7.Bd4 Nf1=+ 8.Rf1 0–0 9.c3 Nc6 10.e3 b6 11.a4 Ba6–/+ 0–1. Sonara,Rouget – Stanitz,Antal, corr KMG–33, 1995.

6.Qc1 Nc4 7.e4 Nb2 8.Qb2 Qe7 9.Nc3 Nc6?? (better is 9...c6=) 10.Nd5+– Ba3 (10...Bd2 11.Nd2 Qh4 12.g3+–) 11.Qb3 (11.Ne7?! Bb2 12.Rb1 Ke7 13.Rb2 d6 14.ed6 cd6+=; 11.Nc7? Kd8 12.Qb3 Kc7–+) 11...Na5 (11...Qd8 12.Qa3 Ne7+–) 12.Qa4 (12.Ne7?! Nb3 13.ab3 Be7=) 12...Qc5 13.d4 (13.d4 Bb4 14.Kf2+–) 1–0. Feng,Jason – Albesa,Alfredo, SF–2008–0–00008, 2008.

6.Qc1 Nf1=+

7.Rf1 d6 8.ed6 0–0 9.dc7 Qc7 +=.

7.Rf1 0–0

8.a3 Be7 9.Nc3 Nc6 10.Kf2 Bc5 11.e3 d6 12.Na4= Qe8 13.Nc5 dc5 14.Bc3 Bg4 15.Qb2 b6 16.Kg1 Qe6 17.Ne1 a6 18.Nd3 Qh6 19.Rf2 Rad8 20.Qb3 Bc8 21.Raf1 Be6 22.Qa4+= ½–½. Benassi,Aspasio – Plock,Joerg, corr KMG–52, 2001.

8.Ba3 Ba3 9.Qa3 Nc6 10.Nc3 =.

8.Ba3 Nc6 9.Bb4 Nb4 10.c3 Nc6 11.d4 d6 12.ed6 Qd6 13.Qc2 Bg4 14.Nbd2 Rae8 15.Rf2 Qf4 16.Nf1 Bf5 17.Qb3= Qd6 18.Ng3 Be6 19.Qc2 f6 20.Kf1 Na5 21.Nd2 b6 22.Kg1= c5 23.Nge4 Qd5 24.Qb2 cd4 25.cd4 Bg4 26.Ng3 Nc6 27.Nb3 f5 28.Qd2 f4 29.Nf1 Qd6 30.g3 a5 31.d5 Nb4 32.gf4 Qd5 33.Nd4 Rd8 34.e3 Bc8 35.a3 Bb7 36.Ng3=+ Nc6 37.Rd1 h5 38.Nc6+= Qc6 39.Qa2 Kh8=+ 40.Rd8 Rd8 41.Qc2 Qe6 42.Qe2 h4 43.f5 Qh6–+ 44.Nh5? Qg5 (45.Ng3 hg3 46.hg3 Qg3 47.Kf1 Qe5–+) 0–1. Andersson,Lars H – Venturi, corr ICCF EU–H–1126, 1995.

8.c3 Ba5 9.d4 d6 10.Na3 Nc6 11.Nc4=+ de5 12.Na5 Na5 13.Ne5 f6 14.Ba3 Re8–/+ 15.Nd3 Nc4 16.Rb1 Qd5 17.Nf4–+ Qe4 18.h3? Na3 (18...Na3 19.Rb2 Nc4–+) 0–1. Meybohm,Dirk – Cuno,Thomas, Halberstadt, 1990.

8.c3 Be7 9.e4 d6 10.ed6 Qd6 11.d4 Nc6 12.Ba3 Qg6 13.Nbd2 Qg2 14.d5 Ba3 15.Qa3 Nd8 16.Qe7 Qg4 17.Qc7+/– Qd7 18.Qg3 f5+= 19.Nd4 fe4 20.Rf8 Kf8 21.Qf4 Kg8 22.Qe4 b6 23.N2f3 Bb7= 24.Nf5 g6 25.Ne3 Nf7 26.Ng4 Qd6 27.Qd4+= h6 28.Nf6 Kf8 29.0–0–0 Rc8 30.Kb2 g5 31.Re1 Rd8 32.Ne5 Ne5 33.Re5 Qf6 34.Re8 Ke8 35.Qf6 Rd5 36.Qh6 Kd8 37.c4 Rc5 38.Kc3 Bc6 39.Kd4 Bd7 40.h4 gh4 41.Qh4 Kc8 42.Qh6 Rc7 43.Qf8 Kb7 44.Kd5 Bg4 45.Qe8 Bh5 46.Qe4 Rc6 47.Qh7 Rc7 48.Qe4 Rc6 ½–½. Armstrong,Alan – Kucharkowski,Jens, corr KMG–38, 1999.

8.Nc3 d5 9.ed6 Qd6 10.Nb5 Qb6 11.c4 Na6 12.Bd4 Bc5 13.Bc5 Nc5=+ 14.d4 Ne4 15.Qf4 Qa5 16.Nd2 Nd2 17.Qd2= Qd2 18.Kd2+= c6 19.Nc3 b6 20.a4 Ba6 21.Kd3 Rad8 22.Rfb1+/– f5 23.a5 b5 24.cb5 cb5 25.Rb4 Rf6 26.Nb5 Rfd6 27.e3 f4 28.ef4 Bb5 29.Rb5 Rd4 30.Ke3 Rd3 31.Ke4 Rd2 32.Rg1 Ra2 33.h4 Rd7 34.g4 Ra4 35.Ke5 a6 36.Rc5 Kf7 37.h5 g6 38.Rf1 gh5 39.gh5+– Ra2 40.Rg1 Re2 41.Kf5 Rh2 42.Kg5 Kg7 43.f5 h6 44.Kf4 Kh7 45.f6 Rf7 46.Rf5 Re2 47.Rb1 Re8 48.Rb6 Ra8 49.Re5 1–0. Sternik,Ryszard – Wallace,Gary, email KMG–54, 2002.

8.Kf2 d5 9.Kg1 Nc6 10.c3 Be7=+ 11.d4 Bf5 12.Qf4=+ Bg6 13.Nbd2 f6 14.Qg3 fe5 15.Ne5 Ne5 16.Qe5 Qd6 17.Qd6 Bd6 18.Rf8 Rf8 19.Nf3 Re8 20.Kf2 a5 21.h3 ½–½. Grehl,Siegfried – Gross,Wilhelm, corr SOK–91–72, 1991.

8.Kf2 d5 9.Kg1 Bg4 10.d3 Nc6 11.Qf4 Bf3 12.Rf3 d4 13.e3 de3 14.Qe3= Re8 15.d4 Ba5 16.c4 f6 17.Na3 fe5 18.d5 Qd6 19.Nb5 Qb4 20.Qb3 Bb6 21.Kh1 Qb3 22.ab3 Nd4 23.Bd4 Bd4 24.Re1 Bb6 25.c5 Ba5 26.Re4 c6 27.dc6 bc6 28.Nd6 Re6 29.Ra4 Bc7 30.Ne4 Rd8 31.Kg1 a5 32.Kf2 Re7 33.h4 Red7 34.h5 Rd4 35.Ke2 Rb8 36.Rd4 ed4 37.g4 Rb5 38.g5 Be5 39.g6=+ hg6 ½–½. Fritz 8 – Deep Fritz, 2003.

4.Be5 0–0

5.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0–0 5.f4).

5.Nf3 d5 6.c3 Bc5 7.Qc2 Bg4 8.d4 Bd6 9.Nbd2 Re8 10.e4 de4 11.Ne4 Bf3 12.gf3= Nd5 13.Qg2 f6 14.Bc4 c6 15.Rg1 g6?? 16.Kd2?? fe5–+ 17.fe5 Be7 18.f4 Kh8 19.f5–/+ g5?? 20.Raf1 h6 21.f6+/– Bf8?? 22.Ng5!+– Qd7 23.Ne6!! Ba3 24.f7 (24.f7 Qf7 25.Rf7 Bc1 26.Kc1 Re6 27.Qg7; 24.Qg7 Qg7 25.fg7 Kg8 26.Rf8 Bf8 27.gf8Q Kh7 28.Qg7) 1–0. jjjooojjjoojjoj (2040) – blackmardiemerdarultakzim (2220), net–chess.com, 2006.

5.Nf3 Ng4 6.Bb2 d5 7.Nc3 a6 8.e3=+ c6 9.Be2 Re8 10.0–0 Nd7 11.Ng5 Ngf6=+ 12.Bh5 Rf8 13.Qf3 h6 14.Nf7 Rf7 15.Bf7 Kf7 16.g4 Ke7 17.Rae1 Nc5–/+ 18.h3 Kd6 19.f5 Qe7?? 20.Qf4+– Kd7 21.Qb4 Kd8 22.Ba3 (22.Ba3 Qc7 23.Kg2+– (23.Qc5?! Qg3 24.Kh1 Qh3 25.Kg1 Qg3 26.Kh1 Qh3 27.Kg1 Qg3 28.Kh1 Qh3=)) 1–0. TeaCzar – ashleysworld, ChessWorld.net, 2009.

5.g3 Nc6 6.Bb2 d5 7.Bg2 Bc5 8.Nc3 Re8 9.Nf3 Ng4 10.Rf1 d4 11.Na4 Qe7 12.Nc5 Qc5 13.Qc1 Qb5–+ 14.Ng1 Nh2 15.Rf2 Ng4 16.Rf3 Be6 Bh3 Qh5 18.Ra3 Nh2 19.Be6 Re6 (19...Re6 20.Qd1 Qc5–+) 0–1. Pawlowski,Andrzej – Halamus,Hieronim (2375), corr Poland–chT13 DMP, 1999.

5.Nf3 Nc6

6.a3 Be7 7.Bb2 d5 8.e3 Ne4 9.Nc3 Bf6 10.Bd3 Bh4 11.g3 Bf6 12.0–0 Bh3 13.Ne4 de4 14.Bf6=+ Qf6 15.Be4 Bf1 16.Qf1 Rfe8 17.Bd5 Rad8 18.c4 h6 19.Rb1 b6 20.Qd1 Ne7 21.Be4 Qd6 22.Qa4=+ Qe6 23.Bb7 Rb8 24.Nd4 Qg6 25.Rb2 Qf6 26.Rb1 a5 27.Be4 Rbd8 28.Kg2 c5 29.Nf3 Qe6 30.Qc2 f5 31.Bd3 Rd6 32.Rb3 Rf8 33.Kg1 Rfd8 34.Be2 Ng6 35.Kf2 Re8 36.d4 Qf6 37.d5 Rf8 38.Rb1 Re8 39.Bd3 Rf8 40.Kg2 Ne7 41.Re1 g6 42.a4 Qg7 43.h4 Qf6=+ 44.Qb3 Re8 45.Ne5 h5 46.Bc2 ½–½. pcmvr (2775) – jcarlos (2780), net–chess.com, 2008.

6.e3 Ng4 7.Bc3 Qe7 8.Be2 d5 9.h3 Ne3 10.de3+/– Qe3 11.Bb4 Nb4 12.a3 Nc6 13.Qd2 Qc5 14.Nc3 Re8 15.Nd5 Bf5 16.Nb4 Nb4 17.ab4 Qe7 18.c3 Rad8 19.Nd4 Qh4 20.Kf1 Re4 21.Ra7 Rf4 22.Bf3 1–0. woschkat (2175) – cucumber (2375), net–chess.com, 2001.

4.Be5 Nc6

7.c3 Be7 8.Qa4 Nh6 9.e3 0–0 10.Bd3 d5 11.Qc2 g6 12.0–0 Ng4 13.h3 Nh6 14.c4 dc4 15.Bc4 Nf5 16.Nc3 Bd7 17.Rab1 Rb8 18.g4 Ng3 19.Rf2 Bg5 20.Rg2 Bh4 21.Kh2 Bc6? 22.Nh4 Bg2 23.Ng2 Re8 24.Kg3 Re5 25.d4 Re7 26.Kf3 c6 27.Ne4 b5 28.Bd3 Rc8 29.Nf4 a5 30.Nf6 Kg7 31.g5 Kh8 32.Qf2 Kg7 33.Qh4 h5 34.gh6 Kf8 35.Rg1 Qd6 36.h7 Kg7 37.Bg6! fg6 38.Qh6! Kf7 39.Qg6 Kf8 40.h8Q# 1–0. pierre – oppofqi, internet, 2010.

5.e3 d5 6.Nf3 Bg4 7.Bb5 0–0 8.Bc6 bc6 9.h3 Bf3 10.Qf3 Ne4 11.c3 Qh4 12.Kd1 Nf2 13.Kc2 Nh1 14.cb4 Ng3 15.d3 Nf5 16.g4 Nd6 17.Nd2 a5 18.ba5 Ra5 19.Nb3 Ra3 20.Bb2 Ra4 21.Nc5 Ra7 22.a3 Qe7 23.Nb3 Rfa8 24.f5 f6 25.Nd4 Nb5 26.Nb5 cb5 27.Qd5 Kh8 28.g5 fg5 29.Qb5 Ra5 30.Qb7 Qe3 31.Bc3 Qe2 32.Kc1 R5a7 33.Qd5 c6 34.Qc5 Rf7 35.Qc6 Raf8 36.f6 gf6 37.d4 Qh2 38.Qe6 h6 39.Qe3 Rc8 0–1. Feldner – Ullrich, Wewelsburg 1996.

5.Nf3 0–0 6.a3 Ba5 7.e3 Ne5 8.Ne5 c6 9.Bd3 d6 10.Nf3 Qb6 11.0–0 Qb2 12.Nc3 Bc3 13.dc3 Qc3 14.Qd2 Qd2 15.Nd2 d5 16.e4 de4 17.Ne4 Ne4 18.Be4 Re8 19.Rfe1 g6 20.Rab1 Kg7 21.Kf2 Re7 22.Rb4 Be6 23.f5 a5 24.Rb6 Bc4 25.Bd3 Re1 26.Ke1 Bd3 27.cd3 Re8 28.Kd2 Re7 29.fg6 fg6 30.d4 Kf7 31.d5 cd5 32.h3 h5 33.Rb5 Ke6 34.Ra5 Ke5 35.Rb5 Ke4 36.Rb4 d4 37.Rb6 g5 38.g3 Rf7 39.Re6 Kd5 40.Rg6 Rf2 41.Kd1 g4! 42.hg4 hg4 43.Rg4 Ra2 44.Rg7 b5 45.g4 Ra3–+ 46.Kd2 Rg3 47.g5 Kc4 48.Rc7 Kb4 ½–½. pcmvr – gospodin (2705), net–chess.com, 2009.

5.Nf3 Ne5 6.fe5 Nd5 7.e3 Ne3–/+ 8.Qc1 Nf1 9.Rf1 0–0 10.Qb2 Ba5 11.Nc3 d6–+ 12.0–0–0 de5 13.Qb5 Bb6 14.Qe5 Re8 15.Qh5–/+ g6 16.Qh6 f6 17.Rde1 Be6 18.Re4 Qd6 19.Rfe1 Rad8 20.Nb5 Qd7 21.Nc3 Bc5 22.Qf4 Kg7 23.Kb1 Qc6 24.h3 h6 25.Ka1 g5 26.Qg3–/+ Kf7 27.h4 g4 28.Rg4–/+ Bg4 29.Re8 Re8 30.Qg4 Be3 31.Qf5=+ ½–½. Fineboim,Igor – Rego,Sandro, corr, 1999.

5.Bb2 0–0

6.c3 Bc5 7.Nf3 Re8 8.e3 d5 9.Be2 Qe7 10.Nd4 Ne4 11.0–0 Nd4 12.cd4 Bb4 13.Bf3 c6 14.Be4 Qe4 15.Nc3 Qg6 16.Qa4 a5 17.Rf2 b5 18.Qd1 a4 19.Rc1 Bg4 20.Qc2 Bf5 21.Qd1 Be7 22.g3 Bd3 23.g4 b4 24.f5 Qg5 25.Na4 Be4 26.Kf1 Qh4 (27.Nc5 Qh3 28.Kg1 Bc5 (< 28...Ra2 29.Ne4 de4 30.Qb3–/+) 29.Rc5 Ra2–+) 0–1. Welti,Manfred – Luzuriaga,Norberto Horacio, corr KMG–37, 2000.

6.e3 d5 7.Bb5 Qe7 8.Ne2 Ne4 9.a3 Ba5 10.0–0? Nd2!–+ 11.Nd2 Qe3 12.Kh1 Qd2 13.Qd2 Bd2 14.Rad1 Be3 15.Rd5 a6 16.Bc6 bc6 17.Re5 Bb6 18.Ng3 f6 19.Re7= Bb7 20.Nf5 Rf7 21.Rfe1 Bc5 22.R7e2 Rd8 23.h3 Rfd7=+ 24.Kh2 Kf7 25.g4 Rd2 26.Kg3–/+ Re2 27.Re2=+ Rd1 28.a4 Bc8 29.Ne3 Rg1 30.Kf3 h5 31.c4 h4 32.Ke4 Rh1 33.Bd4 Bb4 34.c5 Rh3–/+ 35.f5 a5 36.g5 fg5 37.Rg2 Rg3 38.Rg3 hg3 39.Kf3 Be1 40.Nc2 Bf2 41.Bf2 gf2–+ 42.Kf2 Bf5 43.Nd4 Be4 44.Nb3 Bc2 (44...Bc2 45.Na5 Ba4–+) 0–1. Boehnke,Hartmut (2005) – Halwick,Floyd (2280), EM/M/179 ICCF Email, 2002.

6.e3 Re8 7.Be2 d5 8.Nf3 Bc5 9.Nc3 Ng4 10.Nb5 Re3?? 11.de3+/– Ne3 12.Qd2 Ng2 13.Kd1 Be3 14.Qc3 d4 15.Nbd4 Bg4 16.Qd3 Qe7? 17.Nc6+– bc6 18.Ne5 Be2 19.Qe2+/– Rd8 20.Nd3 Nf4 21.Qf3 Nd3 22.cd3 Rd3 23.Ke2 Rd2 24.Kf1 Rf2 25.Qf2= Bf2 26.Kf2 Qh4 (26...Qc5 27.Kf3=+) ½–½. Reuter,Alfred J (1790) – Makarczuk,Jacek (1955), IECC, 2000.

6.Nf3 Re8 7.c3 Bc5 8.e3 d5 9.Be2 Bg4 10.Ne5 Ne5 11.fe5 Be2 12.Qe2 Ne4 13.0–0 Bb6 14.d3 Ng5 15.d4 c5 16.Kh1 Rc8 17.Nd2 Qd7 18.c4 Red8 19.e4+= dc4 20.d5 h6 21.a4 Bc7 22.Nc4 b6 23.Rf5 Re8 24.h4 Nh7 25.Raf1 Rf8 26.Qh5 Qa4= 27.Rf7 Qc4 28.Rg7 Kg7 29.e6 Qd4 30.Bd4 cd4 31.Rf7 1–0. Stapinski,R (1895) – Kupiszewski,M (1830), corr, 2001.

6.Nf3 Re8 7.g3 Ng4 8.c3 Bc5 9.d4 Bb6 10.Bc1 d6 11.Qd3 Qf6 12.Nbd2 Bf5 13.Qc4 Ne3 14.Qb3 Nc2 0–1. nextdoor (1680) – forsetinn (2190), gameknot.com, 2014.

5.Bb2 d5

6.Nc3 d4 7.Nb1 (7.Nb5 Bc5–/+) 7...Bf5 8.Nf3 Bg4 9.c3 dc3 10.Nc3 Bf3 11.ef3 Nd4 (11...0–0 12.a3 Re8 13.Ne2–+) 12.Bc4 (better is 12.Ne2!? Nc6 13.Nc3=) 12...Qe7–/+ 13.Kf2 (13.Kf1 0–0–/+) 13...Bc5 (13...Qc5 14.Be2 Bc3 15.Bc3 Nc2 16.Kg3 Na1 17.Qa1–+) 14.Re1 (14.Qa4!? Nc6 15.Kf1–/+) 14...Nc2–/+ 15.Kf1 Ne1 16.Qe1 Qe1 17.Re1 Be7?? (better is 17...Kf8!?–/+) 18.Nd5?? (better is 18.Ba3! Ng8 19.Nd5+–) 18...Nd5= 19.Bd5 Kd7 20.Bg7+= Rhg8 21.Bc3 c6 22.Bf7 Rgf8 23.Be6 Kc7 24.f5 Rad8 25.d4 b5? 26.Ba5+– Kb7 27.Bd8 Bd8 28.Rb1 Kb6 29.a4 a5 30.ab5 cb5+/– 31.d5 a4 32.d6 Ka5 33.d7 b4 34.Ke2 a3 35.Kd2 Ka4 36.Bb3 Kb5 37.Kd3 Rf5+= 38.Rc1 Re5?? 39.Rc8+– a2 40.Ba2 Ka4 41.Rd8 b3 42.Bb3! Kb3 43.Kd4 (43.Kd4 Re2 44.Rb8 Kc2 45.Rc8 Kd1 46.Rc3+–; 43.Rb8 Ka2 44.d8Q h5 45.Ra8 Ra5 46.Qa5 Kb2 47.Qe5 Kb3 48.Qc3) 1–0. aniabielak – telemerc, internet, 2012.

6.e3 Qe7 7.Be2 d4 8.Bd4 Nd4 9.ed4 Qe4 10.Nf3 Qf4 11.g3 Qh6 12.0–0 0–0 13.Ne5 Bd6 14.Nc3 c5 15.Nb5 Bb8 16.Nc4 a6 17.Nbd6 Bd6 18.Nd6 Ng4! 19.Bg4 Qd6 20.Rf4 cd4 21.Bf3 g5 22.Re4 f5 23.Re1 f4 24.gf4 Rf4 25.c4 dc3 26.Qb3 Kf8 27.Qc3 Qd4 28.Re3 Qc3 29.dc3 Rb8 30.Rd1 Bg4 31.Bg4 Rg4 32.Kh1 b5 33.Rd7 Re8 34.Re8 Ke8 35.Rh7 Ra4 36.Rh5 Ra2 37.Rg5 Kf7 38.Rc5 Ke7 ½–½. Coltharp,Cameron – Plock,Joerg, corr SOK–98–E003A, 1998.

6.e3 Bg4 7.Be2 Be2 8.Ne2 0–0 9.0–0 Bc5 10.Nbc3 Qe7 11.Na4 Bd6 12.Ng3 Rfd8 13.Bf6 Qf6 14.Qg4 d4 15.e4 Qe6 16.Qe6 fe6 17.Rab1 b6 18.f5 Bg3–/+ 19.hg3 ef5 20.Rf5 a5 21.a3 Rf8 22.Rf4 Rae8 23.d3 Nd8 24.Rf3 Ne6 25.Rbf1 b5 26.Nb2 c5 27.g4 Rf3 28.Rf3 g5 29.Rf5 Kg7 30.Kh2 a4 31.Kg3 Rf8 32.e5 Kg6 33.Rf8 Nf8 34.Kf3 Kg7 35.Ke4–/+ Ne6 36.Nd1?? b4–+ 37.ab4 a3 (37...a3 38.Kd5 Nf4 39.Kc5 a2–+) 0–1. Psion – Psion, 4 Min/Zug, 1988.

5.e3 0–0

6.a3 Ba5 7.c4 Re8–/+ 8.Bc3 d5 9.cd5 Nd5 10.Ba5 Na5 11.Bb5 c6–+ 12.Be2 Qf6 13.Ra2 Bf5 14.Nf3 Rad8 15.Qc1 b6 16.Rb2 c5 17.Bb5? Nf4–+ 18.0–0 Nd3 19.Bd3 Bd3 20.Rf2 Qe7 21.Nc3 Rd7 22.Ne1 Bg6 23.Rf4 Red8 24.Nf3 Nc6 25.e4 Ne5 26.Nd5?? Rd5 27.ed5 Nd3 28.Qc4 Nb2 29.Qc3 Nd3 30.Rg4 Qe2 31.Qa1 Rd5 32.Qe1 Ne1 (32...Ne1 33.a4 Nf3 34.gf3 Rd2 35.Rg6 Qd1) 0–1. Tidemalm,Gustav – Karlsson,Bertil, corr SSKK, 1987.

6.a3 Ba5 7.Nf3 Nd5 8.c3 d6 9.Bd4 Nd4 10.Nd4 c5 11.Nb3 Bb6 12.Qf3 Nf6 13.h3 Be6 14.c4 d5 15.d3 dc4 16.dc4 Re8 17.N1d2 Bf5 18.Be2 Qe7 19.Kf2 Rad8–+ 20.Rhd1 Ne4 21.Ne4 Be4 22.Qg3 Rd1 23.Bd1–/+ Qf6 24.Kg1 Qc3 (24...Qc3 25.Rc1 Qb2–+; 24...Rd8 25.f5–+) 0–1. Petersen,Jan – Fournier,Frederic, corr FRA–DEN, 1992.

6.a3 Ba5 7.Nf3 Nd5 8.Kf2 Ne5 9.fe5 d6 10.c4 Ne7 11.d4 de5–/+ 12.Ne5 c5 13.Nf3 Nf5 14.Bd3 cd4 15.e4? Ne3–+ 16.Qe2 Be6 17.Rc1 Rc8 18.Nbd2 Bc3 19.Rab1 Qe7 20.Kg1 Qa3 21.e5 h6 22.Ne4 Nc4 23.Nc3 dc3 24.Qe4 g6 25.Qe2 Rfd8 26.Ra1 Qb2 0–1. Wall,Bill – Moedl,Willi, Carel CF–01 Correspondence, 2005.

6.Bb2 Re8 7.Be2 d5 8.Nf3 Ne4 9.0–0 f6 10.c3 Bf8 11.Na3 a6 12.Nc2 Na5 13.d3 Nd6 14.Nfd4 c5 15.Nb3 Qb6 16.Na5 Qb2 17.Qd2 Qb6 18.c4 dc4 19.Nc4 Nc4 20.dc4 Be6 21.Qc3 Qc7 22.Rab1 Bf7 23.Bf3 Rab8 24.a4 Bd6 25.Rb3 b6 26.g3 Qd7 27.Rd1 Red8 28.Bd5 b5 29.ab5 ab5 30.cb5 Bd5 31.Rd5 Rb6 32.e4 Qe6 33.Qc4 Bf8 34.Ne3 Rdb8 35.f5 Qf7 36.Ng2 Qe8 37.Nf4 Kh8 38.Ne6 Rb5?? 39.Rb5 (39.Rb5 Qb5 40.Qb5 Rb5 41.Rd8+–) 1–0. Prodinger,Willi – Grabner,Helmut, Austria ch–14/B, 1976.

6.Bc3 d5 7.Bb4 Nb4 8.c3 Nc6 9.Bb5 Bf5 10.Nf3 Re8 11.Bc6 bc6 12.Ne5 c5 13.0–0 Nd7 14.d4 Rb8 15.Nc6+= Rb1 16.Qb1 Bb1 17.Nd8 Bd3 18.Rfd1 Re3 19.Re1 Re4 20.Nc6 cd4 21.cd4 Kf8 22.Re4+/– de4 23.Re1 a6 24.Rc1 Ke8 25.Nb4+/– Kd8 26.Nd3 ed3 27.Rd1 Ke7 28.Rd3+– Kd6 29.Rg3 g6 30.Re3 Nf6 31.Ra3 Nd5 32.Ra6 c6 33.g3 Nc7 34.Ra7 f5 35.a4 h6 36.a5 g5 37.fg5 hg5 38.h4 gh4 39.gh4 Nb5 40.Ra8 Nd4 41.Kf2 c5 42.Ke3 Ke5 43.Re8 Kd5 44.a6 Ne6 45.Re6! c4 46.a7 Ke6 47.a8Q c3 (47...Ke5 48.Qb8 Ke6 49.Qc8 Kf6 50.Kf4+–) 1–0. Fritz 5.32 – Doctor? 3.0, 2004.

6.Bd3 Re8 7.Nf3 d6 8.Bc3 Bg4 9.0–0 Nd5 10.Bb2 Bc5 11.h3 Bh5 12.g4+/– Bg6 13.f5 Be3 14.de3+– Ne3 15.Qd2 Nf1 16.Bf1 Bf5 17.gf5 Re4 18.Qg2 f6 19.Ng5! Rb4 20.Qd5 (20.Qd5 Kh8 21.Nf7 Kg8 22.Nd8 Kh8 23.Nf7 Kg8 24.Nh6 Kh8 25.Qg8 Rg8 26.Nf7) 1–0. pierre – dce, chess.com, 2007.

6.Nf3 d5 7.a3 Ba5 8.Bb5 Ne5–/+ 9.fe5 Ng4 10.c3 c6 11.Bd3 Bc7 12.0–0 Qe7 13.Qc2 g6 14.e6 Be6 15.h3 Ne5–+ 16.Ne5 Be5 17.Qb3 b6 18.Qa4 Bd7 19.Qd1 Qg5 Black is in command 20.Qf3 Rae8 21.Kh1 Re6 22.Qf2 Rf6 23.Qe1 Rf1 24.Bf1 Bg3 25.Qd1 Bd6 26.Qf3 Qe5 27.Kg1 Qh2 28.Kf2 Bf5 29.a4? h5 30.Ke1 Be4 31.Qf6?? Be5 32.Qc6 Bg3 33.Ke2 Qg1 34.Qf6 Bf5 (34...Bf5 35.Qf5 gf5–+) 0–1. Maurer – Gross, 1988.

6.Nf3 d5 7.a3 Ba5 8.Bb5 Ne5 9.Ne5 c6 10.Ba4 Qb6–+ 11.0–0 Qb2 12.Nc3 Bc3 13.dc3 Qc3 14.Qf3 Ne4 15.Qe2 Nc5 16.Bb3 f6 17.Nf3 Nb3 18.cb3 Re8 19.Rfe1 Qb3 20.Nd4 Qc3 21.Rec1?? Qd4! (21...Qd4 22.ed4 Re2–+) 0–1. Maurer – Gross, corr SOK–88–23, 1988.

6.Nf3 d5 7.Be2 Re8 8.0–0 Bg4 9.c3 Be7 10.h3 Bf5 11.Qc2 Ne4 12.Bb5 f6 13.Bd4 Qd6 14.Bc6 Qc6 15.d3 Nc5 16.Nbd2 Bd7 17.c4 dc4 18.Nc4 Ne6 19.Qb3 Qd5 20.Rab1 Nd4. Gross.

6.Nf3 d5 7.Be2 Re8 8.Bb2 Bg4 9.a3 Bc5 10.Ne5 Be2 11.Qe2 d4 12.Qc4 Ne5 13.Qc5 Ne4–+ 14.Qd4 Qh4 15.Kd1 Nf2 16.Kc1 Nh1 17.Bc3 Rad8 18.Qb4 Nc6 19.Qb5 Qh2 20.Qg5 0–1. Comet B25 – Doctor? 3.0, 2004.

6.Nf3 Re8 7.Bd3 d6–/+ 8.Bb2 Bg4 9.c4? Qe7?? 10.Qc2?? Qe3 11.Kf1 Qf4 12.Bd4 Nd4 (12...Nd4 13.Bh7 Nh7–+) 0–1. Nielsen – Zylla,Johannes, corr ICCF TT–4–90, 1990.

6.Nf3 Re8 7.Bd3 d6 8.Bc3 Nd5 9.Ng5 g6 10.Bb4 Ncb4 11.0–0 h6 12.Nf3 Nd3 13.cd3 Qf6 14.Nc3 Nc3–/+ 15.dc3 Re3 16.Qd2 Re7 17.h3 Be6 18.Rae1 Rae8 19.Nd4 Bd7 20.Re7 Re7 21.Nf3 b5 22.Kh2 c5 23.d4 c4 24.Kg3 a6 25.Rf2 Qf5 26.Re2 Re2 27.Qe2 Kf8 28.Qb2 Ke7 29.Qa3 Bc6–+ 30.Qa5 Bf3 31.Kf3 Qd3 32.Kf2 Ke6 33.Qa6 Qd2 34.Kf1 Qc3 35.d5 Kd5 36.Qb5 Kd4 37.Qb6 Ke4 (37...Ke4 38.Qc6 Ke3 39.Qe8 Kd2 40.Qe2 Kc1–+) 0–1. Piekarz,P – Leisebein,Peter, corr, 1997.

6.Nf3 Re8 7.Be2 Ne5 8.Ne5 d6 9.Nf3 d5. Soltis.

6.Nf3 Ne5

7.Ne5 d6 8.Nd3 Ba5 9.Be2 c5 10.0–0 c4 11.Nf2 d5–/+ 12.d3 Qe7 13.Qc1 Re8 14.Nd1 cd3 15.cd3 Bg4 16.Bg4 Ng4–+ 17.Rf3 Ne3! 18.Re3 Bb6 19.Kf2 Qf6 (19...Qf6 20.Nbc3 Be3 21.Ne3 Qf4 22.Kg1 Qe3 (22...Re3?! 23.Nd5 Re1 24.Qe1 Qd4 25.Kh1 Qd5 26.Qe3–/+) 23.Qe3 Re3–+) 0–1. Hasler,Ulrich – Glazman,Moshe, ICCF Jubilee Email, 2001.

7.Ne5 d6 8.Nd3 Ba5 9.Be2 Re8 10.0–0 Bf5 11.Na3=+ c6 12.Nc4 Bc7 13.a4 Qd7 14.c3 Rad8 15.Qb3 Be6 16.a5 Ne4 17.Rad1 Ba5!–+ 18.Nf2 Nf2 19.Rf2 b5 20.Qa3 Bc4 21.Qa5–/+ Be2 22.Re2 d5 23.Ra1 Re7 24.Qb4 Re6 25.Qc5 Ra8 26.Ra6 Qb7 27.Qa3 h5 28.Re1=+ Rg6 29.h3 Qd7=+ ½–½. marekt – angeles, internet, 2010.

7.Ne5 d6 8.Nd3 Ba5 9.Be2 Bf5 10.0–0 Qe7 11.Nf2 d5–/+ 12.Bd3 Bd7 13.c3 b5 14.Qc2 c5 15.Bf5 Bc6 16.a4=+ ba4 17.Nd3 g6 18.Ne5=+ Be8 19.Bh3 c4 20.Na3 Bc7–/+ 21.Nf3 Ne4 22.Qa2 Rb8 23.Nc2 f5 24.Rab1 Bd7 25.g3 a5 26.Rb8 Rb8 27.Bg2 Bd6 28.Rb1 Rb3 29.Ncd4 Qd8 30.Ne5 Be8 31.Rf1 Qb8 32.Qa1 Rb2–/+ 33.Be4 fe4 34.Ng4 a3 35.Nf6 Kg7 36.Ne8 Qe8 37.Qc1 Bc5 38.Qa1 Rd2 39.Qe1 Rb2 40.Qd1 a2 41.Qa1 Ba3 42.h3 Qb8 (42...Qb8 43.Ne6 Kg8–+) 0–1. pcmvr (2650) – cornstalk (2665), net–chess.com, 2006.

7.Ne5 Qe7 8.Be2 d6 9.Nf3 d5 10.c3 Bd6 11.0–0 c6 12.Nd4 c5 13.Nb5 Bb8 14.c4 d4 15.ed4 cd4 16.Bd3 a6 17.N5a3 Re8 18.Nc2 Bg4 19.Qc1 Ne4 20.Re1= f5 21.h3 Bf4 22.Be4 fe4–+ 0–1. Schaar,Joerg (1940) – Teipel,Thomas (2340), RSLE–2009, 2009.

7.fe5 Ng4

8.c3 Be7 9.Bc4 d5 10.Be2 Re8 11.0–0 Bf8–/+ 12.Qc2 Ne5 13.c4 Nc4 14.Bc4 dc4 15.Qc4 Bf5 16.Nd4 Bg6 17.Rf2 c5 18.Nf3 a6 19.Nc3 b5 20.Qg4 Qc8 21.Qf4 Qe6 22.Ng5 Qd7 23.Qf3 0–1. Sternik,Ryszard – Luzuriaga,Norberto Horacio, corr KMG–40, 1999.

8.c3 Be7 9.Bd3 d6 10.Qc2 g6 11.ed6 Qd6 12.0–0 Be6 13.Be2 Rad8 14.Qa4 a6 15.Qe4 c6 16.a4 Qc7 17.h3 Bf5 18.Qc4=+ Nf6 19.a5 Rfe8 20.Qh4 Ne4 21.Qe1 Ng3 22.Rf2 Ne2 23.Qe2 Bd3 24.Qd1 Bd6 25.Ne1 Bf5 26.Rf3 Be4 27.Rf1 c5 28.c4 Bh2 29.Kh1 Be5 30.Ra3 f5 31.Qc1 Qe7 32.Nc3–/+ Qh4 33.Nf3 Bf3–+ 34.Rf3 Qc4 35.e4 1–0. pcmvr (2610) – silvana (2700), net–chess.com, 2006.

8.c3 Be7 9.Bd3 d6 10.Qc2 g6 11.ed6 Qd6 12.0–0 Be6 13.Be2 Rad8 14.Qa4 a6 15.Qe4 c6 16.a4 h5 17.Qc2=+ Rfe8 18.h3 Nh6 19.d4 Qg3–/+ 20.Bd3 Bh3 21.Qf2 Qf2 22.Rf2 Bc8 23.e4 Ng4 24.Re2 Bd6 25.Nbd2 Kg7 26.Nc4 Bc7 27.a5 f6 28.Rb2 Re7 29.Rf1 Be6 30.Rfb1 Rb8 31.Rb7 Rb7 32.Rb7 Bh2 33.Nh2 Rb7 34.Ng4 Bg4 35.Nb6 Kf8 36.Kh2 Ra7 37.Na4 Ke7 38.Nc5 Bc8 39.Be2 h4 40.g3 hg3 41.Kg3 Kd6 42.Bc4 Rh7 43.Ba6 Ba6 44.Na6 Rh1 45.Nc5 Rc1 46.Kg4 Ke7 47.Kf4 Rc3 48.a6 Ra3 49.Kg4 Kf7 50.Kf4 g5 51.Kf5 Ra1 52.e5 Rf1 53.Kg4 Kg6 54.ef6 Kf6 55.Nb3 Rf4 56.Kg3 Ke6 57.Nc5 Kd6 58.a7 Rf8 59.Na4 Kc7 60.Kg4 Ra8 61.Nc3 Ra7 62.Kg5 Kd6 63.Kf4 Ra3 64.Nb1 Rb3 65.Nd2 Rd3 66.Nc4 Kd5 (66...Kd5 67.Ne3 Kd4 68.Nf5 Kc3–+) 0–1. pcmvr (2760) – pslchess (2395), net–chess.com, 2007.

8.c3 Be7 9.Bd3 d6 10.Qc2 g6 11.ed6 Bd6 12.0–0 c6 13.h3 Ne5 14.Ne5 Be5 15.Bc4 Bc7 16.Qe4 Qd6 17.Qf4 Qf4 18.ef4 b5 19.Be2 Re8 20.Bf3 Bd7 21.g3 Rad8 22.d4 Bh3 23.Rc1 Re3 24.Kf2 Rde8 25.a4=+ Bb6 26.Bc6 Re2 27.Kg1 R8e3 28.ab5 Rg3 29.Kh1 Bc7 30.Na3 Bf5 31.Re1 Re1 32.Re1 Rc3 33.Nb1 Rh3 34.Kg1 Bf4 35.Bd5 Rd3 36.Re7 Rd1 37.Kf2 Rb1 38.Bf7 Kf8 39.Ra7 Rb5 40.Bc4 Rb4 41.Bd5 Rd4 42.Ra8 Kg7 (42...Kg7 43.Bc6 g5–+) 0–1. pcmvr (2735) – cornstalk (2655), net–chess.com, 2007.

8.c3 Be7 9.Bd3 d6 10.Qc2 g6 11.ed6 Bd6 12.0–0 c6 13.h3 Ne5 14.Ne5 Be5 15.Bc4 Bc7 16.Qe4 Bf5 17.Rf5 gf5–/+ 18.Qf5 Qd6 19.Qg4 Qg6 20.Qg6 hg6 21.Kf2 Kg7 22.a4 f5 23.d3 Ba5 24.Ra2 Rae8 25.Kf3 Kf6 26.Rc2 Re7 27.d4 Rfe8 28.Re2 c5 29.Bd3 Rd8 30.g3 Rh8 31.h4 Rd8 32.g4 Rh8 33.g5 Kg7 34.Rh2 Rhe8 35.Re2 Rd8 36.Rb2 a6 37.Bc4 Rh8 38.Bd5 Rh4 39.Bb7 cd4 40.ed4 Bc7 41.Bd5 Rh3 42.Kf2 Bg3 43.Kf3 Bh4 44.Kg2 Rg3 45.Kf1 Bg5 46.a5 f4 47.Nd2 Rc3 48.Ne4 Rf3 49.Rf2 Rf2 50.Kf2 Bf6 51.Kf3 Bd4 52.Bc4 Be3 53.Ba6 Ra7 54.Bf1 Ra5 55.Bg2 g5 56.Kg4 Kg6 57.Nc3 Ra1 58.Ne2 Kf6 59.Be4 Re1 60.Bf3 Ke5 (60...Ke5 61.Kh5 Kf5–+) 0–1. pcmvr (2735) – cornstalk (2655), net–chess.com, 2007.

5.e3 d5

6.c3 Bd6 7.Bb5 0–0 =+.

6.Nf3 0–0 7.Be2 Re8 8.0–0 Bg4 9.c3 Be7 10.h3 Bf5 11.g4 Bc8 12.Qc2 Ne4 13.Bb5 f6 14.Bd4 Qd6 15.Bc6 Qc6 16.d3 Nc5 17.Nbd2 Bd7 18.c4= dc4 19.Nc4 Ne6 20.Qb3 Qd5 21.Rab1 Nd4 (21...Nd4 22.Nd4 b6=; 21...Bc5 22.Ncd2 Qb3 23.Nb3 Bd4 24.Nfd4 Nd4 25.ed4=+). Psion – Psion, 4', 1988.

6.Nf3 0–0 7.Be2 Bg4 8.0–0 Qe7 9.Bb2 Rad8 10.c3 Bd6 11.h3 Bf5 12.a4 Ne4 13.Qe1 Nc5 14.Na3 Nd3 15.Qb1 (15.Bd3 Bd3 16.Rf2–/+) 15...Nb2?? (better is 15...Nf4 16.Qd1 Ne2 17.Qe2 Ne5 18.Ne5 Qe5–+) 16.Qb2+= Na5 17.Nd4 Be4 18.Nab5 c5 19.Nd6 Rd6 (worse is 19...cd4 20.Ne4 de4 21.cd4+=) 20.Nf3 Nc4 21.Qa2 Na5 22.Rf2 c4 23.g4 Nb3 24.Raf1 Ra6 25.Ng5 f5 26.gf5 Bf5 27.Kh2 Qd7 28.e4 Ra4 29.Qb2 de4 30.Bc4 Rc4 31.Qb3 Rfc8 32.Re1 Kh8 33.Rfe2 h6 34.Ne4 Be4 35.Re4 Re4 36.Re4 Qd2 37.Kg1 Rc3?? 38.Re8 Kh7 39.Qg8 Kg6 40.Qe6 Kh7 41.Qf5 (41.Qf5 g6 42.Qf7) 1–0. Figiel,Rafal – Wiejak,Grzegorz, VI SMPD Lodz – Lagiewniki Poland, 2007.

6.Nf3 Ne5 7.Ne5 0–0 8.a3 –/+.

6.Nf3 Bg4 7.Bb5=+ 0–0 8.Bc6 bc6 9.h3 Bf3 10.Qf3 Ne4 11.c3 Qh4–/+ 12.Kd1 Nf2–+ 13.Kc2 Nh1 14.cb4 Ng3 15.d3 Nf5 16.g4 Nd6 17.Nd2 a5 18.ba5 Ra5 19.Nb3 Ra3 20.Bb2 Ra4 21.Nc5 Ra7 22.a3 Qe7 23.Nb3 Rfa8 24.f5 f6 25.Nd4 Nb5 26.Nb5 cb5 27.Qd5 Kh8 28.g5 fg5–/+ 29.Qb5? Ra5–+ 30.Qb7 Qe3 31.Bc3 Qe2 32.Kc1 R5a7 33.Qd5 c6 34.Qc5 Rf7 35.Qc6 Raf8 36.f6 gf6 37.d4? Qh2 38.Qe6?? h6 39.Qe3 Rc8 (40.Kd1 Qh1 41.Kd2 Qd5–+) 0–1. Feldner,Alexander – Ullrich,Farid Raoul (2170), GER–chT U20 Germany, 1996.

6.Nf3 Qe7

7.Be2 Bg4

8.c3 Ba5 9.Qa4!

8.c3 Bd6 9.Bf6 Qf6 10.Qb3 0–0 11.Qd5 Nb4 12.Qb3 Bf5 13.Na3 Nd3 14.Bd3 Bd3 15.Nc4 Rfe8 16.Nd6+/– Qd6 17.Ne5 Re5 18.fe5 Qe5 19.Qb4 Qh5= 20.g4 Qh4 21.Kd1 Qf2 22.Qf4 Qe2 23.Kc1 h6 24.h3 Qg2 25.Rh2 Qc6 26.Qd4 Qa6 27.a3 b6 28.Rf2 c5 29.Qd5 Rf8 30.a4 Bc4 31.Qd7 b5 32.d3 Qa5 33.Kb2 Be6+= 34.Qb7 ba4 35.Rf4 c4 36.Rd4?? Qe5–/+ 37.Qa7?? Rb8–+ 38.Kc2 Qh2 (38...Qh2 39.Kd1 Rb2 40.Qb8 Rb8 41.dc4 Rb2 42.Rd8 Kh7 43.Rh8 Kh8 44.Ra4 Qd2) 0–1. Vasilkov,ME – Jacek,Miloslav, corr ICCF, 1980.

8.c3 Bf3 9.Bf3+/– Ne5? 10.fe5+– Qe5 11.Qa4 +/–. Schiffler,L – Kretschmar, DDR 1951.

5.e3 d6

6.Bb2 Bc3!?

6.Bb2 Bg4 7.Be2 Be2 8.Qe2 Qe7 9.Nf3 a6 10.Nc3 0–0–0 11.0–0 Rhg8 12.a4 Bc3 13.Bc3 Ne4 14.Qd3 Nc3 15.Qc3+= f6 16.Rab1 Qd7 17.Rb3 g5 18.Rfb1 gf4 19.Rb7 Qh3? 20.Ng5!+– (20.Ng5 Rg5 21.Qc6 Qg2 22.Qg2 fe3 23.Rb8 Kd7 24.de3 Rb8 25.Rb8+–) 1–0. Pietrzak,Janusz – Lesson,T, corr ICCF EU–ch GT186, 1981.

6.Bb2 0–0

7.Nf3 d5 8.Be2 Bf5 9.0–0 Qe7 10.Nd4 Nd4 11.Bd4 c5 12.Be5 Nd7 13.Nc3 Be6 14.Nb5 Ne5 15.fe5 Qg5 16.c3= Ba5 17.Qa4 Bb6 18.Qf4 Qf4 19.ef4 Bd7 20.Nd6 Bc6 21.f5 f6 22.e6= c4 23.Kh1 Bc5 24.Nf7 b5 25.Bf3 Rab8 26.d3 cd3 27.Rfd1+/– b4 28.cb4 Rb4 29.Rac1 Ba4 30.Rd3 d4 31.h3 Rc8 32.Nd6 Bd6?? 33.Rc7 Bc7 34.g4 Rb1 35.Kg2 Rb2 36.Rd2 Rd2 37.Kf1 Kf8 38.Be4 Bb5 39.Ke1 g6 40.Bd5 Ke7 41.Be4 Be2 42.h4 Kf8 43.Bg2 a5 44.Be4 (44.Be4 Ra2 45.e7 Ke7 46.Kf2 Bg4 47.Bc2 Rc2 48.Kf1 Rb8 49.fg6 Rb1#). Buss,Michael – Lambrecht,James, USCF90NS39 Indianapolis, 2003.

7.Nf3 Qe7 8.Nc3 (8.Be2 Qe3 9.c3 Qf4 10.cb4 Qb4 11.Bf6 gf6 12.0–0) 8...Qe3.

7.Nf3 Bg4 8.Bd3=+ Qe7 9.0–0 Ne4 10.h3 Bf5 11.Qe1 h6 12.a3 Ba5 13.Nc3 Nc3 14.Bf5 Ne4 15.Kh2 a6 16.Qe2 Rae8 17.Qc4+= Nd2 18.Nd2 Bd2 19.e4 Qh4 20.g3 Qe7 21.Rab1. wiking – Palfreyman, queenalice.com, 2009.

7.Nf3 Re8

8.Be2 Nd5 9.0–0 Bf5 10.c4 Nf6 11.Nh4 Bd7 12.f5 Qe7 13.Nc3 Bc3–/+ 14.Bc3 Ne4 15.f6 Nc3 16.fe7 Nd1 17.Rad1 Re7 18.Rb1 b6 19.g4 g6 20.h3 Rae8 21.Ng2 Nd8 22.Nf4. Schiffler – Jahr, corr, 1951.

8.Be2 Bd7 (idea Qe7).

8.Be2 Re3? 9.c3!

8.Be2 Bf5 9.0–0 d5 10.Ne5 Bd7 11.c4= dc4 12.Bc4+= Be6 13.Nc6 bc6 14.Be6 Re6 15.a3 Ba5 16.Qc2 Rd6 17.Rf2 Rb8 18.Be5 Re6 19.Rf3+= Ng4 20.Rh3 h6 21.a4 Ne5=+ 22.fe5 Re5 23.Nc3 c5 24.Rf1 Qd7 25.Rhf3=+ Bc3 26.Qc3 Re7 27.Rg3+= g6 28.Rh3 h5 29.Qc5+= c6 30.Rh4 Rbe8 31.Rd4+/– (31.Rd4 Qc7 32.Qc2+/–) 1–0. Kucharkowski,Jens – Viveros,Fernando, CiF, 2004.

8.Be2 Bg4 9.0–0.

5.e3 Ne5

6.fe5 Ne4 7.Qg4+= d5 8.Qg7 Rf8 9.Nf3 c6 10.Bd3 Qd7 11.a3+/– Bc5 12.Be4 de4+= 13.Ng5 (13.Ng5 Qg4 14.0–0+/–) 1–0. pcmvr (1985) – HaringBastos (1665), internet, 2006.

6.fe5 Nd5

7.c3 Be7 8.Qb3 Nb6 9.a4 a5 10.Nf3 (idea 11.d4).

7.Qf3 Nb6 8.c3 Be7 9.d4 c6 10.Bd3= d6 11.ed6 Bd6 12.Nd2 Nd5 13.e4 Nc3 14.Bc4+= Be6? 15.Be6+– fe6 16.Qc3 Qe7 17.Ngf3 Rf8 18.0–0 0–0–0 19.Nc4 Bb4 20.Qb2 b5 21.Nce5 Kb7 22.a4 (22.a4 Qd6 23.Rfc1+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

7.Qf3 c6 8.e4 Nc7 9.c3 Be7 10.Bc4 Ne6 11.Ne2 d6 12.ed6 Qd6 13.d4 0–0 14.0–0 Ng5 15.Qe3 h6 16.Nd2 Bd8 17.e5 Qe7 18.Nf4 Kh7 (18...Re8 19.Nf3 Bf5 20.Ng5 Qg5 21.Rae1+=) 19.Bd3 g6 (19...Kg8 20.Ne4+/–) 20.Qg3 Bb6 21.Nc4 Bc7 22.h4 Ne6 23.Bg6! fg6 24.Qg6 Kh8 25.Qh6 Kg8 26.Nh5 Bd7 27.Rf6 Qh7 28.Re6 (better is 28.Rg6!? Kh8+–) 28...Be6 29.Qe6 Kh8 30.Nf6 Qh6 (30...Qh4 31.Rf1 Bd8+–) 31.Rf1 Rac8?? (31...Qg6 32.Qf5 Qh6 33.Qd7+–) 32.Rf3 (better is 32.Rf5 Rce8 33.Qd7+–) 32...Qc1 33.Kh2 Qh6 34.Ne3 Qg7 (34...c5+–) 35.Rf5 (35.Rf5 Be5 36.Qe5 Rf6 37.Rf6 Rc7 38.Nf5 Qf6 39.Qf6 Kh7 40.g4 b5 41.g5 Kg8 42.g6 Rf7 43.gf7 Kf8 44.Qe7) 1–0. Bender,Herbert – Tolksdorf,Heinz, DDR H–class corr, 1981.

7.Qf3 c6 8.e4 Ne7 9.Bc4 0–0 10.c3 Ba5 11.Qg3 b5 12.Be2 (12.Bb3 c5=+) 12...f5 13.ef6 Rf6 14.Nf3 d5 (14...Bc7 15.e5 Rg6 16.Qf2=+) 15.e5= Nf5 16.Qf2 Rf8 17.Na3 Bb6 18.d4 b4 19.Nc2 bc3 20.Bd3 (20.0–0!?=+) =+. Pietrzak,Janusz – Yakimienko, corr ICCF, 1976.

7.Nf3 0–0 8.Bc4 Nb6 9.Bb3 d5 10.ed6 Bd6 11.0–0 Bg4 12.Qe1 Qd7 13.Nc3 Rae8 14.Qf2 a5 15.a4 Bb4 16.Ng5 Be6 17.Be6 fe6 18.Qh4 h6 19.Nge4 Bc3 20.Rf8 Rf8 21.dc3 Qd5 22.Rf1 Rf1 23.Kf1 Qd1 24.Kf2 Qc2 25.Kf3 Qd1 26.Kf4 Qf1 27.Nf2 g5 0–1. elsh1403 – druid45, internet, 2013.

7.Nf3 Ne3–/+ 8.Qc1 Nf1 9.Rf1 0–0 10.c3 Be7 11.d4 d6 12.Kf2 f6 13.Kg1 (13.ed6!? Bd6 14.Qb2–/+) 13...fe5 14.de5 Be6 15.Nbd2 de5 16.Ne4 Rf4 17.Qe1 Qd3 (17...Bd5!? 18.Nfd2–+) 18.Nf2 Qd5 19.Qe5 Qe5 20.Ne5 Raf8 (20...Ra4 21.Rfb1 Bf6 22.Nfd3–+) 21.a4 R4f5 22.Nf3 (22.Nfd3!?–+) 22...Bc5 23.Nd4 Bd4 24.cd4 Bc4 (better is 24...Rf4–+) 25.g3?? (better is 25.Rfc1 Bd5 26.Ng4–/+) 25...Bf1–+ 26.Rf1 Rf3 27.Kg2 (27.d5 a6–+) 27...Ra3 (27...a6 28.a5–+) 28.Rb1 (28.Ne4 Rf1 29.Kf1 Ra4–+) 28...Ra2 29.Rf1 Ra4 30.Rd1 Ra2 0–1. Petukhov,Nikolay (1815) – Kulago,Alexander (2140), RUS–ch Seniors, 2009.

7.Qg4!? Bf8 8.Nf3 +=.

5.e3 Qe7

6.Bc3 Ne4 7.Ne2 d5 8.a3 Bd6 9.g3 Bg4 10.Bg2 d4 11.Bb2 de3 12.de3 Rd8–/+ 13.Qd3 Bb4!–+ (13...Bb4 14.ab4 Rd3 15.cd3 Qb4 16.Bc3 Nc3 17.Bc6 bc6 18.Nec3 Qb6–+) 0–1. Van Loon – Snijders, corr Netherlands, 1990.

6.Nf3 Ne5 7.fe5= Ng4 8.c3 Bc5 9.d4 Bb6 10.Qd3 d6 11.ed6 Qe3=+ 12.Be2 cd6 13.Na3 Qf2 14.Kd2 Bf5 15.Qf5=+ Qe3 16.Kc2 Qe2 17.Kb3 Qe6 18.Qe6 fe6 19.Rae1 Kd7 20.Ng5 Rae8 21.Nc4 Bc7–/+ 22.Rhf1 Nf6 23.Nd2 h6 24.Nge4 Ne4 25.Ne4 Rhf8 26.c4 Bb6 27.c5 dc5 28.dc5 Bc7 29.g3 Kc6 30.Rf8 Rf8 31.Kc4 Rf5 32.Rd1 Rd5 33.Rd3 Rd3 34.Kd3 Kd5 35.h4 g6 36.g4 Bd8 37.h5 gh5 38.gh5 Be7 39.Nc3 Kc5 40.Ne4 Kb4 41.Kd4 Ka3 42.Ke5 Ka2 43.Ke6 Bb4 44.Kf6 Kb3 45.Kg6 a5 46.Kh6 a4 47.Kg6 a3 48.h6 a2 49.h7 a1Q 50.Nf6 Qf6 51.Kf6 b5 52.Kf5 Bc3 53.Ke4 Kc2 54.Kd5 b4 55.Kc4 b3 (55...b3 56.Kd5 b2–+) 0–1. Tidemalm,Gustav – Johansson,Roland, corr Sweden, 1987.

6.Nf3 Ng4 7.Bc3= 0–0 8.Be2 Bc5 9.Bd4 Nd4–/+ 10.ed4 Bd6 11.Ne5=+ Ne5 12.de5 Bc5 13.d4 Bb6 14.0–0 d6 15.Kh1 Rd8 16.c3 de5 17.fe5= c5 18.Bc4 Be6 19.d5 Qd7 20.Rf2 Bc7 21.Rd2 Bg4 22.Qe1 Qe7 23.e6 fe6=+ 24.de6 Kh8 25.g3 Bf3 26.Kg1 b5 27.Qf1 Bb7 28.Bb5 c4 29.Qc4 Rf8 30.Rd4?? Bb6 (30...Bb6 31.Nd2 a6–+ (31...Bd4?! 32.cd4 Qf6 33.Rf1–/+); 30...Qg5 31.Rf4 Bf4 32.Kf1 Bd2 33.Ke2 Rf2 34.Kd1 Bf3 35.Kc2 Bc1 36.Qe2 Be2 37.Be2 Re2 38.Kd3 Qe3 39.Kc4 Rc8 40.Kb5 Qb6 41.Ka4 Rc4) 0–1. Wolf,M – Martin,H, corr DDR–ch11 sf09, 1981.

6.Nf3 d6

7.Bc3? Nd5!

7.Bf6 Qe3 8.Be2 gf6 9.c3! Schiffler.

7.Bf6 gf6 8.c3 Ba5 9.Bb5 Bd7 10.Qe2 a6 11.Ba4 b5 12.Bb3 Rg8 13.Bd5 0–0–0? 14.a4+– Na7 15.ab5 Bb6 16.ba6 Rg4 17.Bb7 Kb8 18.Nd4 f5 19.Qf3 c5 20.Nc6 (20.Nc6 Bc6 21.Bc6+–) 1–0. Gerold,Guenter – Poetzschmann,Rolf, corr DDR–ch11 sf01, 1981.

7.Bf6 Qf6

8.c3 Ba5

9.Be2 0–0=+ 10.0–0 Be6 11.Ng5 Rfe8 12.Ne6= Re6 13.Bc4 Re7 14.Bd3 Bb6 15.Na3 Rae8 16.Rf3 Be3 17.de3+/– Qc3 18.Nc2 b6 19.Rb1 d5+– 20.Rb5 Rd8+/– 21.Rg3 Na5 22.Nd4 g6 23.f5 c5 24.fg6 fg6 25.Nf5 Re6 26.Rb1 Kh8 27.Nh4 Nc6 28.Ng6 hg6+– 29.Bg6 Qe5 30.Qg4 Rf6 31.Be8!! (31.Be8 Qg3 32.Qh5 (32.Qg3?! Re8 33.Qg5 Ref8+–; < 32.hg3 Rdd6+–) 32...Kg7 33.hg3+–) 1–0. Kucharkowski,Jens – Van Esbroeck,Dirk, corr KMG–27, 1993.

9.Be2 Bb6=+ 10.0–0 Qe7 11.Qc2= d5 12.a4 a6 13.Na3 f6 14.Bd3= g6 15.c4 d4=+ 16.e4 Nb4 17.Qb3= Bd7 18.e5 Nd3=+ 19.Qd3 0–0–0 20.a5 Bc5–/+ 21.ef6 Qf6 22.Ne5 Bf5 23.Qf3 d3 24.Kh1 Rd4 25.Rfe1 h5 26.Rab1 c6–/+ 27.Rb3 Qh4 28.g3=+ Qh3 29.Nd3? Be4! 30.Re4 Re4 31.Nc2 Rhe8 32.Rb7 R8e6 33.Qg2 Qf5 34.g4? hg4 (34...hg4 35.Rg7 Re2 (35...Rc4?! 36.Nc5 Rc5 37.Qf1 Ra5 38.Qf2–+) 36.Nc5 Re1 (36...Rg2?! 37.Ne6 Qe6 38.Kg2 Qe2 39.Kg3 Qf3 40.Kh4–+) 37.Ne1 Re1 38.Qg1 Rg1 39.Kg1 Qc5 40.Kg2 Qa5–+). Schiffler,L – Bieck, 1951.

9.Be2 Bb6=+ 10.0–0 Qe7 11.Qc2= d5 12.a4 a6 13.c4 dc4 14.Na3= Be3 15.de3+/– Qe3 16.Kh1 Qf4 17.Bc4 0–0 18.Rae1 Bd7 19.Qc3 Rae8 20.Ne5!+– Qd4?? 21.Qd4 Nd4 22.Nd7 Re1 23.Re1 Rd8 24.Nc5 b5 25.ab5 ab5 26.Nb5 (26.Nb5 Nb5 27.Bb5+–) 1–0. Brix,Berthold – Metschan,Helmuth, corr FRG–ch H814, 1975.

9.Be2 Bb6 10.0–0 Qf4? 11.Nd4.

9.Be2 Bb6 10.0–0 Qf4? 11.Kh1.

4.Be5 d5

5.a3 A) 5...Bc5 A1) 6.Nf3 Bf5 (6...Nc6 7.e3 0–0 8.Bb5 Ne5 9.fe5 a6 10.Be2 Ng4 11.Qc1 b5+=; 6...Nbd7 7.e3 Ne5 8.fe5 Ne4 9.d3 Ng5 10.d4 Be7 11.Bb5 c6+=; 6...0–0 7.e3 Nc6 8.Bb5 Ne5 9.fe5 a6 10.Be2 Ng4 11.Qc1 b5+=; 6...Ng4 7.e3 Ne5 8.fe5 0–0 9.Be2 f6 10.d4 Be7 11.c4 fe5=; 6...Bg4 7.e3 0–0 8.Be2 Nc6 9.d4 Be7 10.Bf6 Bf6 11.0–0 Qd6+=) 7.e3 0–0 8.Nd4 Bd4 9.Bd4 Nc6 10.Bc5 Ne4 11.Bf8 Qh4–+; A2) 6.e3 Nbd7 7.Nf3 0–0 8.Bc3 Ne4 9.Be2 Qe7 10.Qc1 Ndf6 11.Qb2 Nc3+=; B) 5...Be7 B1) 6.Nf3 Nbd7 (6...Nc6 7.e3 Ne5 8.fe5 Ng4 9.Be2 c6 10.Qc1 Qc7 11.d4 Qa5+=) 7.Bb2 0–0 8.Nc3 Ne4 9.Qb1 Nb6 10.e3 Bg4 11.Ne4 de4–/+; B2) 6.Bb2 Ne4 7.d3 Nf6 8.e4 de4 9.de4 Qd1 10.Kd1 Ne4 11.Bg7 Rg8–/+; B3) 6.e3 Nbd7 7.Bb2 0–0 8.Nc3 c6 9.Be2 Ne4 10.Ne4 de4 11.d3 Qb6+=.

5.e3 0–0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0–0 5.f4 d5).

5.e3 Nc6 6.Bb5 0–0 7.Nf3 Bd7 8.c3 Be7. Gross.

5.e3 Nbd7 A) 6.a3 Be7 7.Bb2 0–0 8.Nc3 c6 9.Be2 Ne4 10.Ne4 de4 11.d3 Qb6+=; B) 6.Bc3 a5 7.Nf3 0–0 8.a3 Bc3 9.Nc3 Nc5 10.Be2 Nfe4 11.Nb5 Re8+=.

5.Nf3 Bg4 (5...Nc6 6.e3–/+ Ne5 7.fe5 Ng4 8.c3 Be7 9.Qb3 c6 10.c4 Qc7 11.cd5 Ne5+=; 5...Nbd7 6.Bc3 Bc3 7.Nc3 Nc5 8.e3 0–0 9.Rb1 Bg4 10.Be2 Nfe4 11.Ne4 de4+=; 5...0–0 6.e3 Re8 (6...Nbd7 7.Bc3 Bc3 8.Nc3 Nc5 9.Rb1 Bg4 10.Be2 Nfe4 11.Ne4 de4+=; 6...Nc6 7.Be2 Bc5 8.d4 Bb4 9.c3 Ba5 10.Bf6 Qf6 11.0–0 Bf5+=; 6...Bg4 7.c3 Be7 8.Qb3 b6 9.Be2 Nbd7 10.0–0 a6 11.d3 Re8+=; 6...Ne4 7.a3 Bc5 8.d3 Nf6 9.d4 Be7 10.c4 Nbd7 11.Nc3 c6+=; 6...Be6 7.c3 Bc5 8.Qc2 Re8 9.d4 Bd6 10.Bd3 c5 11.Ng5 h6=; 6...Bf5 7.Nd4 Be4 8.c3 Be7 9.d3 Bg6 10.Qb3 b6 11.f5 Bh5+=) 7.a3 Be7 8.Be2 c5 9.0–0 Nc6 10.Bb5 Bd7 11.Nc3 d4+=) 6.e3 (6.c3 Be7 7.Qb3 b6 8.c4 0–0 9.cd5 Nd5 10.e4 Nf6 11.h3 Bf3+=) 6...Nc6 (6...0–0 7.c3 Be7 8.Qb3 b6 9.Be2 Nbd7 10.0–0 a6 11.d3 Re8+=; 6...Nbd7 7.h3 Bf5 8.Bc3 Be7 9.Nd4 Be4 10.d3 c5 11.de4 cd4+=) 7.Bc3 (7.a3!? Bc5 (7...Ba5 8.Bb5–/+ 0–0 9.Bc6 bc6 10.h3 Bf3 11.Qf3 Ne4+=) 8.h3 Bf3 9.Qf3 Ne5 10.fe5 Ne4 11.Bb5 c6+=; 7.c3 Be7 8.Be2 0–0 9.0–0 Nd7 10.Qb3 Rb8 11.Qd5 Nde5+=) 7...Bc3 8.Nc3 Ne4 (8...d4 9.ed4 (9.Nb5–/+ de3 10.de3 Qe7 11.Qd3 Rd8–/+) 9...0–0 10.Be2 Re8 11.0–0 Nd4–/+) 9.g3 (9.Rb1 A) 9...0–0 A1) 10.Bd3 Nc3 (10...Re8+= 11.Na4 Rb8+=) 11.dc3 Qe7–/+; A2) 10.Rb7 Nc3 11.dc3 Re8=; B) 9...Nc3 10.dc3 Na5 11.Be2 c6+=) 9...Qf6 (better is 9...Nc3 10.dc3 Qf6–/+ 11.Kf2 0–0–0–/+) 10.Nd5= Qd6 (10...Qd8 11.c4 Nb4=) 11.c4 0–0–0 (11...Ne7=) 12.Be2 Nb4 (better is 12...Be6=) 13.Ne5 (better is 13.Qb1 Nd5 14.Qe4+=) 13...Be2–/+ 14.Qe2 Nc2 15.Kf1 Na1 16.Nf7 Qd7 (better is 16...Qe6!? 17.Nd8 Rd8–/+ (17...Kd8?! 18.Qd3=)) 17.Nh8= Rh8 (17...c6 18.d3 Nc5 19.d4+=) 18.Kg2 c6 19.d3 Nc5 20.Nb4 a5 (better is 20...Rd8!? 21.Ra1 Nd3 22.Nd3 Qd3+=) 21.d4+/– Ne6? (better is 21...ab4 22.dc5 Re8 23.Ra1 Qe6+/–) 22.d5?? (better is 22.Nd3 Re8 23.Ne5+– (23.Ra1?! Nd4 24.Qf2 Qf5+/–)) 22...ab4+= 23.de6 Qe6 24.Ra1 Re8 25.Re1 Qe4 26.Kf2 g6 27.Rd1+/– Kb8 28.Rd4 Qh1= 29.h4 Qh2 30.Kf3 Qh1 31.Kf2 ½–½. Levin,Anatoly – Kalra,Agastya (1780), Bedford Rating GpA, 2011.

4.Be5 d6

5.Bb2 Nd5 6.c3 Ba5 7.e3=+ Nc6 8.Qb3 Be6 9.Bc4 +=. wiking – mounstrokiki, queenalice.com, 2009.

5.Bc3 a5 6.a3 Bc5 7.e3 0–0 8.Be2 Ne4 9.Nf3 Bg4 10.d4 Nc3 11.Nc3= Bb6 12.0–0 Re8 13.Nd5 c6 14.Nb6 Qb6 15.Rb1 ½–½. Landgraf,Manfred – Dilling,Ralf, corr KMG–05, 1990.

5.Bc3 Bc3 6.Nc3 0–0 7.Nf3 d5 8.e3 Re8 9.Be2 Nc6 10.0–0 d4 11.ed4 Nd4 12.Ne5 Nd7 13.Nf3 Nc5 14.Kh1 Ne2 15.Ne2 b6 16.d3 Bb7 17.Qd2 Bf3 18.Rf3 Ne4 19.Qd1 Nf6 20.c4 Qd6 21.a4 Rad8 22.h3 c6 23.Ra2 h5 24.Qf1 Qe7 25.Kg1 Qc5 26.Kh2 Re3 27.Nc1 h4 28.Qf2 Rf3 29.Qf3 Qd6 30.a5 b5 31.Qf2 Nh5 32.Ne2 Qe7 33.Qf3 g6 34.Qc6 Rd3 35.Qb5 Qe3 36.Qb1 Ng3 37.Qb8 Kh7 38.Qc7 Qe6 (38...Ne2?! 39.Qf7 Kh6 40.Qf8 Kh7 41.Qf7 Kh6 42.Qf8 Kh7 43.Qf7=) 39.Ng1 Nf1 40.Kh1 Rd1 41.Qe5 (41.Qa7? Ng3 42.Kh2 Qc4–+) 41...Qc4 42.Ra1 Ra1 43.Qa1 Qf4 44.Nf3 Ng3 45.Kg1 g5 46.Qb2 Kg6 47.Qc2 Qe4 48.Qb3 (48.Ne5 Kg7 49.Qe4 Ne4–/+) 48...Qe2 49.Qb1 Kg7 50.Kh2 Nf1 51.Kh1 Ne3 52.Qg1 Kf6 53.Nd4 (53.a6!?–/+) 53...Qd3–+ 54.Qf2 Kg6 55.Nf3 f6 56.Ng1 a6 (better is 56...Qc3!?–+) 57.Qf3–/+ Qd2 58.Qc6 Nf5 59.Qa6 Qf4 60.Nf3 Ng3 61.Kh2 Qc1 62.Ng1 Qc7 ½–½. pcmvr – hun (2665), net–chess.com, 2015.

5.Bc3 h5?? 6.Bb4+– 1–0. Landgraf – Scheglmann, corr (year?).

5.Bb2 0–0

6.a3 Ba5 7.e3 Nc6 8.Bb5 Re8 9.Bc3 Bc3 10.Nc3 d5 11.Bc6 bc6 12.Nce2 d4 13.ed4 Qd4 14.Nf3 Qe4 15.Rb1 Nd5 16.Kf2 Nf4 17.Re1 Bg4 18.Rb4 Nh3 19.Kf1 Qg6 20.Ng3 Re1 21.Ke1 c5 22.Rg4 Qg4 23.gh3 Qh3 24.Qe2 Qd7 25.Qc4 Re8 26.Kf2 Qe7 27.Nf5 Qf8 28.Qa4 g6 29.Ne3 Ra8 30.Qc6 Rc8 31.Qb7 a5 32.Qa7 a4 33.Qa4 Ra8 34.Qb3 Qd6 35.Nc4 Qd5 36.Qc3 Ra6 37.d3 f6 38.Ne3 Qd6 39.Qc4 Kg7 40.Qb5 Ra8 41.Nc4 Qe7 42.a4 Re8 43.Qc6 g5 44.Kg3 h5 45.Ng1 Kf7 46.Kg2 Kg6 47.a5 Qe6 48.Qf3 h4 49.h3 f5 50.Qf2 Qc6 51.Kh2 Kf6 52.Nf3 Qe6 53.Nfe5 Qd5 54.Ng4 Kg6 55.Nge3 Qe6 56.Qg2 c6 57.Qf1 Re7 58.c3 Rd7 59.Kg2 Rd8 60.Qb1 g4 61.Qf1 Kg5 62.Kh2 g3 63.Kg1 f4 64.Ng2 Rf8 65.Ne1 Kh5 66.Nf3 Kh6 67.Nh4 Qf6 68.Nf3 Qc3 69.Qe2 Qf6 70.Nce5 Kg7 71.Nd7 Qa1 72.Kg2 Rf5 73.Nh4 f3 74.Nf3 Qa5 75.Qe7 Rf7 76.Qg5 Kh7 77.Nf6 Rf6 78.Qf6 Qa2 79.Kg3 Qd5 80.Ne5 Qg8 81.Kf4 Qe8 82.h4 Qh5 83.Qe7 Kh8 84.Qf8 Kh7 1–0. Fritz 6 – Comet B25, 2002.

6.c3 Ba5 7.d4 c5 8.dc5 dc5 9.Qd8 Rd8 =+. Meybohm.

6.c3 Ba5 7.d4 c5 8.d5 Bf5 9.Nd2 Qb6?? 10.Nc4=+ Qc7 11.Nf3 b5 12.Na5 Qa5 13.Nd2 c4–/+ 14.a4 Qb6 15.h3 Re8 16.g4 Bg4?? 17.ab5 Qe3 18.Nc4 Qf4 19.Qd4= Re4 20.Bc1?? Rd4 21.Bf4–/+ Rf4?? 22.Nb6+/– Bf5 23.Na8 Nbd7? 24.Rg1 Nd5+/– 25.Ra5 h5 26.Bg2 Be4? 27.Be4+– Re4 28.Rg5?? Ne3?? 29.Ra7+– (29.Ra7 Nf6 30.b6+–) 1–0. Cuno,Thomas – Meybohm,Dirk, Halberstadt, 1990.

6.c3 Ba5 7.d4 c5 8.d5 Bf5 9.Nd2 Re8 10.c4? (10.h3? Nd5 11.e4 –+. Meybohm) 10...Ng4 11.h3 Ne3 12.Qb3? Nf1! 13.Kf1 Bd2 –+. Meybohm.

6.c3 Bc5–/+ 7.d4 Bb6 8.g3 Nc6 9.Bg2 Re8 10.Qd3 g6 11.Nd2 Bf5–/+ 12.Qf3 Qe7 13.0–0–0 Be6 14.a3 Bd5 15.Qf1 Bg2 16.Qg2–/+ Ng4 17.Nc4 Na5 (17...Na5 18.Na5 Qe3 19.Kc2 Ba5–/+) 0–1. Fournier,Frederic – Schirmer,Michael, corr 3GMM–05, 1994.

6.e3 Nc6 7.Nf3 Bg4 8.Bd3 Bc5 9.Nc3 Nb4 10.Be2 Bf5 11.Rc1 d5 12.0–0 d4 13.Na4+= Be7 14.Nd4 Bd7 15.Nc3 c5 16.Nf3 Nbd5 17.Nd5 Nd5 18.c4 Nb4 19.a3 Nc6 20.Qc2 g6 21.Bd3 Bf6 22.Be4 Bb2 23.Qb2 b6 24.Ne5 Rc8 25.Nd7 Qd7 26.f5 Rfe8 27.fg6 hg6 28.Bd5 Rf8?? 29.Qf6 Nd8 30.Qg6 Kh8 31.Qh6 Kg8 32.Qg5 Kh8 33.Rf4 (33.Rf4 f5 34.Qh6 Qh7 35.Qf8 Qg8 36.Qg8#) 1–0. pierre – vmach, chess.com, 2007.

6.e3 d5 7.Nf3 c5 (7...Re8 8.Be2 Re3+=) 8.Bc3 (8.Be2!?=) 8...Bc3–/+ 9.Nc3 d4 10.ed4 cd4 11.Ne2 Re8 12.Rb1 (12.Qb1 Nc6–/+) 12...Nc6 13.Rb3 (13.g3 Qa5–/+) 13...b6 14.Qb1 Qd6 15.Qb2 Qf4 16.Kd1 Qd6 (16...Qe4 17.Ned4 Bg4 18.Ne2–+) 17.Ned4 Ng4 (17...Bg4 18.Nc6 Ne4 19.Kc1–/+) 18.Kc1 Nd4 (18...Nh2 19.Bd3 (19.Rh2?? Qh2 20.Qc3 Qh1 21.Qc6 Qf1 22.Kb2 Bg4–+) 19...Nf3 20.Bh7 Kf8 21.Nf3=) 19.Qd4 Qd4 20.Nd4 Re1 21.Kb2 Ba6! 22.Rf3 (22.Ba6 Exploits the pin 22...Rh1) 22...Rd8 23.Rf4 (23.Nb3 Be2 24.Rf4 Nh2 25.Rh2 Rf1–/+ (worse is 25...Bf1 26.Rh1+/–)) 23...Ne5 (23...Rf1 24.Rhf1 Bf1 25.Rg4–/+) 24.Nb3 Kf8 (24...Be2 25.Rf2 Bc4 26.h3–/+) 25.d3 (25.d4 g5 26.Rf5 Ng4 27.Rg5 Bc8–/+) 25...Nc6 (25...Bb7 26.d4 Ng6 27.Rf2–/+) 26.Nd2 Re7 27.Re4 Rde8 28.Re7 Ne7 29.g4 Nd5 30.Bg2= Ne3 31.Bf3 Bc8 32.h3 f5 33.gf5 Bf5 34.Be4 g6 35.Re1+= Nd5 36.c4 Ne7 37.Bf5 Nf5 38.Re8 Ke8 39.Kc3 h6 40.d4 g5 41.Ne4 Ke7 42.d5 Kd7 43.Kb4 Ne3 44.Kb5 Kc7 45.Nf6 a6 46.Kb4 Kd6 47.Ng4+= Nf5 48.a4 h5 49.Nf6+/– Ng3 50.Kc3 Ke7= 51.Ng8 Kf7 52.Nh6 Kg7 53.a5 ba5 54.c5 Kf6 55.c6+/– a4 56.c7 Ne4 57.Kb4 Nd6 58.Ka4 Nc8 59.Ka5 Ke5 60.Ka6 Kd5 61.Nf7 g4= 62.hg4 hg4 63.Kb7 ½–½. Rosner,Dirk – Plock,Joerg, email SOK–99–E005A, 1999.

6.e3 Nd5 7.c3 Bc5 8.c4 Nb6 9.Qh5 Na4 10.Bc3 Nc6 11.Bd3 h6 12.Bc2 Nc3 13.Nc3 Na5 14.d3 c6 15.e4 Bb4 16.Nge2 Qf6 17.e5 Bc3 18.Nc3 Qf4 19.ed6 Bg4 20.Qc5 b6 21.Qf2 Qe5 22.Kd2 Qd6 23.Bb3 Rad8 24.Qf1 Rfe8 25.c5 Nb3 26.ab3 Qc5 27.Re1 Re1 28.Qe1 Bf5 29.Kc2 Rd3 30.Kb2 Qd6 31.Qe8 Kh7 32.Qf7 Rd2 33.Kc1 Rc2 34.Kb1 0–1. Fritz 5.32 – Fritz 6, 2002.

6.e3 Ne4 7.Nf3=+ d5 8.Bd3 Bg4 9.0–0 Nc6 10.a3 Bd6 11.Nc3= Qe7 12.Nd5+/– Qe8 13.Qe1 Rd8 14.Qh4+– f5? 15.Be4 Qe4 16.Ng5 h6 17.Ne4 (17.Ne4 Rf7 18.Nec3+–) 1–0. pierre – jaravind1982, internet, 2008.

6.e3 Re8! 7.Nc3 Bc3 8.Bc3 Ne4–+ (idea 9...Bc3 10.bc3 Re3 –+).

6.e3 Re8 7.Nc3 Ne4 8.Ne4 Re4 9.c3 Bc5 10.Bd3 Re8 11.Qh5 h6 12.g4 Qe7 13.0–0–0 Be3 14.de3= Qe3 15.Kb1 Qf4 16.Rf1 Bg4 17.Qb5 Qe3=+ 18.Bc2 Nd7 19.h3 Be6 20.Nf3 Nc5 21.Rhg1? c6 22.Qb4 Bh3 23.Bc1 Qe6?? 24.Nd4 Qd5 25.Bh6 g6 26.Rf6 Kh7 27.Ne6?? Be6–+ 28.Qh4 Qa2 29.Kc1 Nb3 30.Bb3?? Qb3 31.Be3 Kg7 32.Rfg6! (32.Rfg6 fg6 33.Qh6 Kf6 34.Bg5 Ke5 35.Qg7 Kf5 36.Qf6 Ke4 37.Re1 Kd5 38.Qd4#) 1–0. Kucharkowski,Jens – Scheglmann,Eckhard, corr KMG–05, 1989.

6.e3 Re8 7.Be2 Nc6 8.Nf3 d5 9.0–0 Bc5 10.Bb5 Bd7 11.Bc6 Bc6 12.Qe2 Bd7 13.Qd3 c6 14.Ne5 Bd6 15.Nd7 Nd7 16.Qf5 Re6 17.Rf3 Qb6 18.Bc3 Rae8 19.Rg3 f6 20.Rh3 Nf8 21.a4 Re4 22.Rf3 Ng6 23.a5 Qb5 24.Qd7 Bf4 25.Bf6 gf6 26.Nc3 Qb2 27.Ne4 Re4 28.Qd8 Kf7 29.Rff1 Bg5 30.a6 ba6 31.Qa5 Ne7 32.Ra2 Qb5 33.c3 Qa5 34.Ra5 Ke6 35.Ra6 Kf7 36.Rfa1 Rh4 37.g3 Re4 38.h4 Be3 39.de3 Re3 40.Kf2 Rc3 41.Ra7 Rc4 42.Re1 Re4 43.Re4 de4 44.g4 Ke6 45.Ke3 h5 46.gh5 Nf5 47.Ke4 Ng3 48.Kf4 Ne2 49.Kg4 f5 50.Kg5 Ng1 51.Kf4 Ne2 52.Ke3 Ng3 53.h6 f4 54.Kf4 Nf5 55.h7 Ne7 56.h5 Nc8 57.h8Q Na7 1–0. Fritz 5.32 – Doctor 3.0, 2002.

6.Nf3 Re8 7.a3 Ba5 8.Bc3 Bc3 9.Nc3 d5 10.d4 Bf5 11.g3 c6 12.Qc1 c5! 13.Bg2 Nc6 14.dc5 d4–+ 15.Nh4 Bg4 16.h3 Qa5 17.hg4 Qc3 18.Kf1 Ng4 19.Nf5 Ne7 20.Ne7 Re7 21.Bf3 Ne3 22.Kf2 Qc5 23.Rh5 Qc3 24.Qh1 h6 25.Rb1 Nc2 26.Qd1 Qe3 27.Kg2 Rc8 28.a4 b6 29.Kh1 Rec7 30.a5 Na3 31.Re5 Qf2 32.ab6 ab6 33.Qg1 Qg1 34.Rg1 Rd8 35.Rd1 b5 36.Be4 Kf8 37.Rd3 b4 38.Rd5 Rd5 39.Bd5 Nb5 40.Rb3 Nc3 41.Bf3 Rc4 42.Kg2 Ke7 43.Kf2 Nd1 44.Kg2 Ne3 45.Kf2 f5 46.Rb1 Kd6 47.Bh5 Kc5 48.Bf7 Ng4 49.Ke1 Rc3 50.Rb3 Rc1 51.Kd2 Rg1 52.Rf3 Ne3 53.Bb3 Rb1 54.Ba4 Rb2 55.Kc1 Re2 56.Kb1 Kc4 57.g4 fg4 58.Rg3 0–1. Doctor 3.0 – Fritz 6, 2002.

6.Nf3 Bg4 7.e3 Nbd7!? Kucharkowski.

6.Nf3 Bg4 7.e3 Bf3 8.Qf3= Re8? 9.Qb7+– Nc6 10.Qc6 Re3 11.Kd1 Re5 12.fe5 (12.fe5 Ng4 13.Qf3 Ne5 14.Be5 de5 15.Bc4+–) 1–0. Kucharkowski,Jens – Dilling,Ralf, corr KMG–05, 1989.

6.Nf3 Ng4 7.c3 Bc5 8.d4 Bb6 9.Qd3 Re8 10.Ng5 f5 11.Nd2 d5 12.Ngf3 c5 13.Ne5 Ne5 14.fe5 c4 15.Qg3 Re6 16.e3= (16.e3 Rg6 17.Qf2=). Gross – Dilling,Ralf, corr SOK–88–23, 1988.

6.Nf3 Ng4! 7.c3 Bc5 8.d4 Bb6 9.e4 Re8 10.Bd3 Bf5 11.Nbd2 d5 12.Qe2 (12.Ne5? de4 13.Be4 Be4 14.Ne4 Ne5 15.de5 (15.fe5 c5!) 15...Qe7!) 12...de4 13.Ne4 Nf6 14.Ne5 Ne4 15.Be4 Be4 16.Qe4 f6 17.Qb7 Nd7 18.Qd5 Kh8 19.0–0–0 fe5 20.de5 Nc5–+.

6.Nf3 Ng4! 7.c3 Bc5 8.d4 Bb6 9.e4 Re8 10.Bd3 Bf5 11.Nbd2 Nf6?! 12.Qe2 d5 13.e5 Qd7 14.0–0 c5 15.Rae1 Nc6.

5.Bb2 Nc6

6.e3 0–0 7.Nf3 Re8 8.Bc4? Re3–+ 9.Be2 Re8 10.0–0 d5 11.a3 Bd6 12.Nd4 Nd4 (12...Nd4 13.Bd4 Re4–+) 0–1. Dilling,R – Scheglmann,E, corr DDR, 1989.

6.e3 0–0 7.Nf3 Re8 8.Be2 d5 9.0–0 Bc5 10.Nc3 a6 11.Rb1 d4 12.Na4 Ba7–/+ 13.ed4 Nd4 14.Bd4 Bd4 15.Kh1 Ne4 16.Qe1 b5 17.d3 Nf2! 18.Rf2 Bf2 19.Qf2 ba4 20.Ng5 Be6 21.Ne6 Re6 22.f5 Re8 23.Bf3 Rb8 24.Rf1 Qf6 25.Qc5 Qb6 26.Qb6 Rb6 27.a3 Rb2 28.Bc6 Reb8 29.Ba4 Ra2 30.Bb3 Ra3 31.Kg1 a5 32.Rf4 c5 33.Rc4 Kf8 34.Rc5–/+ a4 35.Bd5 Rb2 36.Rc7 Ke8 37.Bf7 Kd8–+ 38.Rc4 Ra1 39.Kf2 a3 40.Rd4 Ke7 41.Bb3 a2 42.Ra4 Rc1 43.Ra7 Kf6 44.Rf7 Ke5 45.Re7 Kf5 46.g4 Kf6 47.Re6 Kg5 48.Re5 Kg4 49.Re4 Kf5 50.Be6 Kg6 51.Ba2 Ra2 52.Ke3 Rcc2 53.Rg4 Kf5 54.h3 Re2 55.Kf3 g5 56.Rb4 h5 57.Rb5 Re5 58.Rb4 Rd2 59.Rd4 g4! 60.hg4 (60.hg4 hg4#) 0–1. Comet B25 – Fritz 5.32, 2002.

6.e3 Qe7 7.Be2 0–0 8.Nf3 d5 9.0–0 Ne4 10.Ne5 Ne5 (10...Bd6 11.d3 Nc5 12.Qd2 Na4 13.Nc6) 11.fe5 Qg5 12.Rf4 c6 13.d3 Bc5 14.d4 Be7 15.Bd3 Bf5 16.Nd2 Qg6 17.Be4 Be4 (18.Ne4 (18.Rg4? Bc2 19.Rg6 Bd1 20.Rg7 Kg7 21.Rd1 Bg5 22.Re1–+) 18...de4 19.Qe2 Bg5 20.Rff1 b5 21.a4 b4 22.Rab1 a6) ½–½. Rosner,Dirk – Plock,Joerg, corr SOK–98–E003A 1998.

5.Bb2 d5

6.e3 0–0 7.a3 Be7 8.Nf3 Ne4 9.d3 Bh4 10.g3 Bf6 11.Ne5 Nc5=+ 12.Bg2 Na4 13.Qc1 Nb2 14.Qb2 Be5 15.fe5 Qg5 16.Kf2 Nd7–/+ 17.d4 c6 18.e4=+ de4 19.Be4 c5 20.c3= cd4 21.cd4 Nb6 22.Re1 Qg4 23.Kg2 Rd8= 24.Qf2 Qd7 25.Rd1 Qh3 26.Kg1+= Bg4 27.Rd3 Rd7 28.Nc3 Rad8 29.Nb5 Nc8 30.Rc1+/– Qh6 31.Rc5 Qb6 32.Rdc3 a6 33.Rc8 ab5 34.Rd8 Rd8 35.d5 Qf2 36.Kf2+– Re8 37.Bf3 Bh3 38.d6 Kf8 39.Rc5 Rd8 40.Rb5 f6 41.ef6 Rd6 42.fg7 Kg7 43.Rb7 Kh6 44.a4 Rd2 45.Ke3 Rh2 46.Be4 Kg5 47.Rh7 Kg4 48.Rg7 Kh5 49.g4! Kh6 50.Rg8 Ra2 51.Rg6 Kh7 52.Rg5 Kh6 53.Rh5 Kg7 54.Rh3 Ra4 55.g5 Ra3 56.Bd3 Kf7 57.g6 Kf6 58.Rf3 Kg7 59.Rf7 Kh6 60.Rh7 Kg5 61.g7 Ra8 1–0. Doctor 3.0 – EXchess 3.11, 2002.

6.e3 0–0 7.Nf3 Ng4 8.Nc3= Bf5 9.Be2 Nc6 10.0–0 Bc5 11.Ne5 Nce5 12.fe5 Be3 13.de3 Ne3 14.Qd2 Nf1 15.Rf1 Be6 16.Ba3 Re8 17.Nb5 Qd7 18.Qc3 Rec8 19.Qg3 c5 20.Nd6+/– Rc7 21.Bc1 Kh8 22.Bb5 Qe7 23.Nf7 Bf7 24.e6 Be6 25.Bg5 Qf7 26.Rf7 Rf7 27.Qd6 Rf5 28.Be7 Bg8 29.Qd7 Rf7 30.Qb7 Raf8 31.Qa7 c4 32.g3 Rf1 33.Kg2 R8f7 34.Be8 R7f5 35.g4 R5f4 36.Bd6 R4f3 37.Bc5 Rf4 38.Be3 R4f3 39.Bd4 Bf7 40.Qe7 Kg8 41.g5 Rf4 42.Bc6 Rd4 43.Qd8 Be8 44.Kf1 Rf4 45.Kg2 Rf8 46.Be8 Kh8 (46...h5 47.g6 Kh8 48.Qe7 Rf4 49.Bd7 Kg8 50.Be6 Kh8 51.Qe8 Rf8 52.Qf8) 1–0. Fritz 6 – EXchess 3.11, 2002.

5.Bb2 Bg4

6.a3 Bc5 7.Nf3 Nc6 8.e3 0–0 9.Be2 Re8 10.Nc3 Nh5 11.Nd5 Ne7 12.Nb4 Bb4 13.ab4 Nd5 14.0–0 Nb4 15.Ne1 Be2 16.Qe2 Nf6 17.Qb5 Nfd5 18.c4 c6 19.Qa4 b5 20.cb5 cb5 21.Qb5 a6 22.Qc4 Qe7 23.Qd4 f6 24.Nf3 Qe4 25.Ra5 Qd4 26.Nd4 Rac8 27.Ba3 h6 28.f5 Rc4 29.Ne6 Rb8 30.d3 Rcc8 31.Rf3 Rc6 32.e4 Nc3 33.Kf2 d5 34.Bb4 Rb4 35.ed5 Rd6 36.d4 Rb2 37.Kg3 Nd5 38.Rfa3 Ne7 39.Re3 Rbb6 40.Nc7 Nc6 41.Ra6 Ra6 42.Na6 Nd4 43.Re8 Kf7 44.Ra8 Nf5 45.Kf4 Rd4 46.Kf3 Ra4 47.h3 Ra3 48.Ke4 Ng3 49.Kd4 Ra2 50.Ke3 Nh1 51.h4 Rg2 52.Ra7 Kg6 53.Nc5 Rg3 54.Kd2 Kh5 55.Ra1 Rh3 56.Ne6 Nf2 57.Ng7 Kh4 58.Ke2 Ng4 59.Nf5 Kg5 60.Nd6 Re3 61.Kd2 Re6 62.Nf7 Kg6 63.Ra7 f5 64.Rd7 Nf6 65.Nd8 Rb6 66.Rd4 Ne4 67.Ke3 h5 68.Kf4 h4 69.Rd3 Rb1 70.Ne6 Kf6 71.Nd4 Rf1 72.Rf3 Rf3 73.Kf3 h3 74.Nc6 f4! 75.Nd8 Nd2 76.Kf2 h2 77.Kg2 f3 78.Kh1 f2 79.Kh2 (79.Kg2 f1Q 80.Kh2 Qd3 81.Kg2 Qd8 82.Kg3 Qd3 83.Kg2 Ne4 84.Kh1 Qf3 85.Kh2 Qf2 86.Kh3 Qg3) 0–1. Fritz 8 – Fritz 6, 2004.

6.a3 Bc5 7.Nf3 Nc6 8.e3 0–0 9.Be2 Re8 10.Nc3 Nh5 11.Nd5 Ne7 12.Nc3 Nf5 13.Ng5 Nf4! 14.Bg4 Ng2 15.Kf2 Nge3! 16.de3 Ne3 17.Qf3 Qg5 18.h4 Qg4 19.Qg4 Ng4 20.Kf3 Ne5 21.Kg2 Nc4 22.Ra2 Bd4 23.Ba1 c6 24.Rb1 0–1. Fritz 6 – Crafty 19.01, 2005.

6.g3 Nc6 7.Bg2=+ 0–0 8.Nf3 Re8 9.0–0 Bc5 10.Kh1 Na5 11.d3 Nd5 12.Qd2 Bb4 13.c3 Bc5 14.e4 Ne3 15.Re1 Ng2 16.Kg2 Bf3 17.Kf3=+ d5 18.e5 Qd7 19.Kg2 Rad8 20.Qe2 d4 21.c4 f6 22.Nd2 fe5 23.fe5 Bb4 24.e6 Qc8 25.Rad1 Nc6 26.a3 Ba5 27.Qg4 Rd6–/+ 28.Re4 Rde6 29.Re6 Qe6 30.Qe6 Re6 31.Ne4 Re8 32.g4 a6 33.a4 Bb4 34.h4 b6 35.h5 Rd8 36.Kg3 Bd6 37.Kf2 Bf4 38.Ke2 Re8 39.Rb1 Be3 40.c5 b5 41.ab5 ab5 42.Ra1 Kf7 43.Ra6 Re6 44.Ra8 g6 45.Rh8 Kg7 46.Rc8 Re7 47.hg6 hg6 48.Ra8 Kf7 49.Ba3 b4–+ 50.Bb2 g5 51.Rh8 Ke6 52.Rf8 b3 53.Rg8 Kd5 54.Ra8 Re6 55.Rh8 Re4 56.de4 Ke4 57.Rh7 Ne5 58.Rc7 Nc4 0–1. Kucharkowski,Jens – Benassi,Aspasio, OUI, 2001.

5.Bf6 Qf6

6.c3 0–0 7.e3 Re8 8.a3 Bc5 9.Be2 Qh4 10.g3 Qe7 11.Nf3 Bh3 12.Ng5 Bg2 13.Rg1 Bc6 14.Qc2 g6 15.Bc4 Be3! 16.Bf7 Kg7 17.Ne6? Kf7–+ 18.Ng5 Kf6 19.Nh7 Kg7 20.Kf1 Bg1 21.Qd1 0–1. Comet B50 – Fritz 8, 2004.

6.c3 0–0 7.e3 Re8 8.Bb5 c6 9.Be2 Bc5 10.Nf3 Bg4 11.Qb3 b5 12.a4=+ Bf3 13.Bf3 b4 14.0–0 a5 15.d4 Bb6 16.Re1= d5 17.Na3 Na6 18.Nc2 Qd6 19.c4 dc4 20.Qc4 Nb8 21.Rab1 Ra7 22.Rec1 Rae7=+ 23.Rd1 Re3 24.Ne3+= Re3 25.Kh1 g5 26.Bh5 Qf4? 27.Rf1+– Rc3 28.Bf7 Kg7 29.Qe6 Re3 30.Qc8 Qd6 31.Qg8 Kh6 32.Rbe1 Bd4 33.Re3 Be3 34.Bb3 Bg1 35.Kg1 Nd7 36.Qf7 Qc5 37.Kh1 Ne5 38.Qe6 Ng6 39.Qh3 Nh4 40.Rf6 Kg7 41.Rf7 Kh6 42.Qe6 Ng6 43.Qd7 Qc1 44.Bd1 g4 1–0. Comet B25 – Doctor 3.0, 2002.

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  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
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