(1) Polgar, Susan - Temkin, Pavel [D02]
Princeton Simul. Princeton, NJ, 17.03.2007
[Fritz 10 (30s)]

D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4

1.d4 d5 2.Nf3 Nf6 3.Bf4 Nc6 4.e3 Bf5 5.Nbd2
[5.Be2 h6 6.Ne5 Nxe5 7.Bxe5 e6 8.Bxf6 Qxf6 9.c4 Qg6 10.0-0 c6 11.Qb3 Rb8 12.c5 Be7 13.Nd2 0-0 14.Kh1 b6 15.Qa3 bxc5 16.dxc5 Bf6 17.Nb3 a5 18.Nd4 Bxd4 19.exd4 Rb4 Lagrotteria,S (2215)-Caruso,A (2265)/Verona 1997/CBM 056 ext/0-1 (31)]

5...e6 6.Bb5 a6N
[6...Bd6 7.Bxd6 cxd6 8.0-0 0-0 9.h3 a6 10.Be2 Qb6 11.b3 Nb4 12.Ne1 Rac8 13.c4 Ne4 14.a3 Nc3 15.axb4 Nxd1 16.Rxd1 Qxb4 17.g4 Bg6 18.h4 h6 19.f4 dxc4 20.bxc4 Qb6 21.f5 Lewandowicz,T (1546)-Ried,H (1587)/Bad Wildungen 2000/EXT 2003/0-1 (49); 6...Bb4 7.c3 Ba5 8.Ne5 0-0 9.Bxc6 bxc6 10.Nxc6 Qe8 11.Nxa5 Ne4 12.Nxe4 dxe4 13.Bxc7 1-0 Schmidt,O (1879)-Gerhardt,R (1800)/Brazil 2003/EXT 2006]

7.Bxc6+ bxc6
Black has the pair of bishops

8.Nb3 Ne4 9.0-0
[9.Ne5 f6 10.Nxc6 Qd7= ]

9...c5
[9...g5!? 10.Bg3 h5=/+ ]

10.c4
[10.dxc5 Nxc5 11.Nfd4 Bg6+/= ]

10...dxc4 11.Na5
White threatens to win material: Na5xc4

11...Bd6
[11...c3 12.Ne5 Qb8 13.dxc5 Nxc5 14.bxc3= ]

12.Nxc4
[12.Nc6 Qc8 13.dxc5 Bxc5+/= ]

12...0-0 13.dxc5 Bxf4 14.exf4 Nxc5
White has new doubled pawns: f2+f4

15.Ne3 Bg6 16.Ne5 Be4
[16...Nd3 17.Qg4 Nxb2 18.Rac1=/+ ]

17.Rc1
[17.Qxd8!? Raxd8 18.Rfc1+/- ]

17...Nd3= 18.Nxd3 Bxd3 19.Re1 Rc8 20.Rc3 Bb5 21.Qxd8 Rfxd8 22.Rec1 Rd7 23.b3
Consolidates a4+c4

23...h6 24.a4 Be2 25.f3 Kh7
[25...Rb8 26.Kf2 Bd3 27.Rd1+/= ]

26.Kf2 Bd3 27.Rd1
White threatens to win material: Rd1xd3

27...Rcd8 28.Rdc1 Rc8
Twofold repetition

29.Ng4 Bg6
[29...Bf5 30.Ne5 Rd2+ 31.Kg3+/= ]

30.Re1
[30.Kg3 f6+/= ]

30...Rcd8
[30...Rd2+!? should not be overlooked 31.Re2 Rd4= ]

31.Ne5+/= Rd2+ 32.Re2 Rxe2+ 33.Kxe2 Rc8
[33...f6 34.Nc6 Rd6 35.Na5+/- ]

34.Rc6
White threatens to win material: Rc6xa6 [34.Nc6!?+/- ]

34...Rb8+/=
Black threatens to win material: Rb8xb3

35.Rc3 Rb7
[35...Rc8 36.Nc6+/- ]

36.Nd7 Bf5
[36...Bb1 37.Kd2+/= ]

37.g4+/- Bb1 38.Nc5
White threatens to win material: Nc5xb7

38...Rb6 39.h4 f6?
[39...h5!?+/= might be a viable alternative]

40.h5
[40.Nd7 Rb4 41.Nf8+ Kg8 42.Nxe6 Ba2 43.Rxc7 g5 44.Rg7+ Kh8+- ]

40...g6?
[40...Rd6 41.a5+/- ]

41.Kd2??
with this move White loses his initiative [>=41.Nd7 makes sure everything is clear 41...Rb7 42.Nxf6+ Kh8 43.hxg6 Bxg6 44.Nd7+- ]

41...gxh5+/- 42.Kc1 Bg6 43.Nd7 Rb7 44.Nf8+ Kg7 45.Nxe6+ Kf7??
leads to further unpleasantness [>=45...Kg8+/- ]

46.Rxc7+
[>=46.Nd8+ secures victory 46...Kg8 47.Nxb7+- ]

46...Rxc7+-+ 47.Nxc7 h4 48.f5 Bxf5!
the death sentence

49.gxf5 h3 50.Nxa6 h2 51.b4
[51.Kb2 doesn't get the bull off the ice 51...h1Q 52.Nc5 Qxf3-+ ]

51...h1Q+ 52.Kb2
[52.Kd2 Qxf3 53.Nc5-+ ]

52...Qxf3 53.b5 Ke7
[>=53...h5 and Black has triumphed 54.a5 h4 55.Nb4-+ ]

54.Nb4 Kd7 55.a5 0-1