1.d4 Nf6 2.c4 c5 3.e3 cxd4 4.exd4 e6 5.Nc3 Bb4 6.Qc2 d5 7.Nf3 Nc6 8.a3 Bxc3+ 9.bxc3 0-0 10.Bg5 b6 11.cxd5 exd5 12.Be2!N Diagram
12...Qd6 13.Bxf6 Qxf6 14.0-0 Bf5 15.Bd3 Bxd3 16.Qxd3 Rac8 17.a4 Rfe8 18.Rfe1 Diagram
18...Kf8??
[I considered 18...Na5 19.Rxe8+ (19.Ne5 Nc4 20.Nxc4 dxc4 21.Qd2=) 19...Rxe8 20.Qb5 Qc6 21.Ne5 Qxb5 22.axb5=; I considered 18...g6 ]
19.h3
[>=19.Qxh7] 19...Rc7 [19...Qg6=]
20.Qxh7 g6??+-
loses immediately
21.Rxe8+??+/-
keeps black in the game
[White overlooked 21.Qh6+ Qg7 22.Rxe8+ Kxe8 23.Qxg7+-]
21...Kxe8 22.Qg8+ Kd7 23.Qf8 Rc8 24.Qa3 Re8 Diagram
25.Re1
[Hiarcs 9: 25.Qb3 Kd6 26.c4 dxc4 27.Qxc4 Qe6
28.Qd3 Qd5 29.Rc1 Re4 30.Rc4
Na5 31.Rc8 Nc6 32.Qc3 1.27/12 ]
25...Re6 26.Rd1
Qe7 27.Qxe7+
[Hiarcs
9: 27.Qb3 Qd6 28.c4 Qb4 29.Qc2 Rd6
30.Ne5+ Nxe5 31.dxe5 Rc6 32.Rxd5+
Ke6 33.Qd1 1.69/13 ]
27...Kxe7 28.Re1
f6 29.Rxe6+ Kxe6 30.Kf1 a6
[30...Na5 31.Nd2+/- (31.Ke2 Nc4=) ]
31.Ke2 g5 32.Ne1
[32.g4 1.27/11 5 Na7 33.h4 1.43/12 21 gxh4 34.Nxh4 1.45/11 16 b5 35.axb5 1.45/11 5 Nxb5 36.Kd3 1.40/11 2 Nd6 37.Ng2 1.50/11 4 f5 38.Nf4+ 2.97/11 5 Kf6 39.gxf5 3.52/9 3 Kxf5 40.Nxd5 3.50/11 2 ]
32...Na7 33.f4 b5 34.axb5 Nxb5 35.fxg5 Nxc3+
[35...fxg5 36.Kd3+-]
36.Kd3 Ne4 Diagram
37.gxf6
[37.g6 a5 38.h4 (38.Kc2 Hiarcs
9: 38...Ng3 39.Nd3 Ne2 40.Kd2 Nxd4
41.Nf4+ Ke7 42.Nxd5+ Kf8 43.h4 a4 44.h5 a3 45.Kc3 Nb5+ 46.Kb3
Kg7 2.17/14 ) 38...a4 39.Nc2 f5 40.g7 Kf7 41.Nb4 a3 42.Kc2 Kxg7 (42...f4) 43.Nxd5 Kg6 44.Nf4++- (‹44.Kb3 Kh5=) ]
37...Kxf6 38.Kc2
Kf5 39.Nd3 Nd6 40.Nc5 a5
[40...Nb5 41.Kd3
(41.Nxa6 Nxd4+ 42.Kd3 Ne6 43.Nb4
d4 44.Nc6 Kf4 45.Nxd4 Ng5 46.Ne2+
Kf5 47.g4+ Kg6 48.h4) 41...a5
42.Nb3 a4 43.Nc5 a3 44.Nb3 Kf4 45.g4 (45.Na1) 45...Kg3 46.g5 Nd6 47.g6 Nf5 48.Kc3
Kxh3 49.Kb4 Kg4 50.Kxa3 Kg5
51.Kb4 Kxg6 52.Kc5 Ne7 53.Nd2
Kf5 54.Nf1 Ke4 55.Nd2+ Kf5
56.Nc4 Ke4 57.Nb6 Nf5 58.Nxd5
Nxd4=]
41.g4+
Kf4 42.Ne6+
[42.Nd3+ Kg3 43.g5 Nf5]
42...Kg3
[42...Ke3 43.g5 Ne4 44.h4 Kf3 45.Kd3 a4 46.g6 (46.h5 a3
47.g6) 46...a3 47.Nc5 Nxc5+
48.dxc5 a2 49.g7 a1Q 50.g8Q]
43.g5 Kxh3 44.g6 Ne8
[44...Nf5 45.Nf4+
(45.g7 Ne7 (45...Nxg7 46.Nxg7 Kg4 47.Ne6
Kf5 48.Nc5 Kf4 49.Kb3 (49.Nb3
a4 50.Nc5 Ke3 (50...a3 51.Kb3) 51.Kc3 a3 52.Nb3 Ke4 53.Nd2+
Ke3) 49...Ke3 50.Ne6 Kd3 51.Ka4
Kc4 52.Kxa5 Kc3 53.Kb5) 46.Kb3
Kg4 47.Ka4 Kf5 48.Nc5 Kg6
49.g8Q+ Nxg8 50.Kxa5 Kf5 51.Kb5
Ne7) 45...Kg4 46.Nxd5 Kg5 47.g7 (47.Kc3) 47...Nxg7 48.Nb6 Kf5 49.Kc3
Ke6 50.d5+ Kd6 51.Kc4 (51.Nc4+ Kxd5) 51...Nf5 52.Kb5 Ne7]
45.g7
[45.Nf4+ Kg4 46.Nxd5
Kf5]
45...Nf6 46.Nf4+ Kg4 47.Nxd5 Ng8 Diagram
[47...Kf5?? 48.Nxf6
Kxf6 49.g8Q+-]
48.Kb3
[48.Ne7 Nh6 (48...Nxe7 49.d5+-) 49.d5 Kg5 50.d6
Kf6 51.Nf5 Ke6 52.Nxh6+-]
48...Kf5
49.Ka4
[49.Ne3+ Kg6 a)49...Ke4?? 50.d5 Ke5
51.Ka4 Kf6 (a)51...Kd6 52.Kxa5+-) 52.d6 (a)52.Kxa5 Kxg7 53.Kb6
Kf7 54.Kc6 (a)54.Kc7 Nf6 55.d6) 54...Ne7+) 52...Kf7 53.Kxa5 Nf6 54.Nf5
Ke6 55.Ka6+-; b)49...Kf6 50.Ka4 Kxg7=;
50.Ka4 Kxg7=; 49.Ka4 Ke4=]
1/2-1/2