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IM John (2486) - Wulebgr (1526) [A46]
simul Spokane, 21.02.2003
[Wulebgr]

1.d4 Nf6 2.Nf3 e6 3.g3 c5 4.Bg2 d5 5.0-0 b6 6.c4 Bb7 7.cxd5 exd5 8.Nc3 Be7 9.Bg5 0-0 10.Rc1 Nbd7 11.Ne5

11...cxd4

 [Perhaps 11...Nxe5! is a stronger move 12.dxe5 Ne4 13.Nxe4 Bxg5 14.Nxg5 Qxg5=;

 11...Rb8?! is worse 12.Qa4 Nxe5 13.dxe5 Nh5 14.Bxe7 Qxe7 15.Qxa7 d4 16.Nb5+/=]

12.Qxd4 Re8 13.Nxd7 Qxd7 14.Rfd1 Bc5

 [14...Rac8? seems bad after 15.Qd2 Rcd8 16.Bxf6 Bxf6+/-;

 14...h6!? 15.Bxf6 (15.Bf4 Bc5 16.Qd3=) 15...Bxf6 16.Qd3=]

15.Qh4

 [I expected 15.Qf4 ]

15...Qf5

 [I could have played 15...Ng4 16.Rf1 a)16.Bxd5?? Nxf2 17.Kf1 (a)17.e3 Nh3+ 18.Kh1 Nxg5 19.Qxg5 Bxe3-+) 17...Nxd1 18.Rxd1 Qf5+-+; b)16.Nxd5? Qf5 17.Bf3 Ne5=/+; c)16.e3 Qf5 17.Nxd5 Qxf2+-/+; 16...h6 17.Bf4 Nxf2 18.Rxf2 Bxf2+ 19.Kxf2=]

16.e3?

 [16.Bxf6 Qxf2+ (16...Bxf2+ 17.Kh1 gxf6+/-) 17.Kh1 Qxf6 18.Qxf6 gxf6 19.Nxd5+/=]

16...Ng4 17.Bf4?

[17.Rd2 Re5 18.Bh3 Nxh2 19.Kxh2 Qxg5=/+;

 17.Nxd5 Qxf2+ 18.Kh1 Qf5-/+;

 17.Rf1 h6 (17...Ne5 18.Qf4 Qg6 19.Rb1 Nd3 20.Qg4 h6-/+) 18.Bh3 Nxh2-/+]

17...Rad8??

 After preparing my attack, I missed it at the key moment. [17...Nxf2-/+ 18.Rxd5 (much worse is 18.Kxf2 Bxe3+ 19.Ke1 Bxf4+ 20.Ne4 and Hiarcs 9 sees a mate in 12!) 18...Bxd5 19.Nxd5 Nd3 20.Rf1 Nxf4-+]

18.Nb5

 [18.Be4+- should win]

18...Be7 19.Qh3 Bc8?+/-

 [19...Bc5+/=]

20.Nd4

 [20.Nc7+-]

20...Qf6 21.Rxc8 Rxc8

 [21...Nxf2 22.Kxf2 Rxc8+/-]

22.Qxg4 g5+- 23.h4 h6 24.hxg5 hxg5 25.Bxd5

 [With 25.Nf5 IM John could have finished me off more quickly 25...Kf8 26.Nxe7 Qxe7 27.Bxg5+-]

25...Rc5

 [25...Kf8 appears more stubborn 26.Bb7 Rc5 27.b4+-]

26.Be4

 [Stronger is 26.Nf3+- or; 26.e4+-]

26...Kf8 27.Nf5?

 [27.b4 Rc3 28.Bh7 Rd8 (28...gxf4?? 29.Qg8#) 29.Re1+/-]

27...gxf4

 and black is back in the game

28.exf4?

 [28.Qxf4 Rd8 29.Rd4 Rc1+ 30.Kg2+/=]

28...Rec8

 [28...Qxb2 29.Nxe7 (29.Qh5 Qf6 30.Kg2~~) 29...Rxe7+/=]

29.Kg2

 [29.Nxe7 Qxe7 30.Bh7=]

29...Rc1 30.Rd7 Qh8 31.Nh4

[31.Qh3=; 31.Rxe7?? Qh1#]

31...Bxh4

 [31...Qxb2 32.Rxa7 (32.Qf5 Qg7= (32...Qf6 33.Rxa7 R1c5+/=) ) 32...R1c7 33.Rxc7+/=]

32.gxh4

 I thought white's pawn structure gave me a favorable imbalance here, but Hiarcs 9 prefers the IM.

32...R1c7 33.Rd5 Rc5 34.Rg5 Rxg5?

 If I liked his pawns, why did I help him straighten them out? [34...Re8]

35.Qxg5?

 Here IM John picked up his queen to capture the rook on c8, then noticing the pin. Because he had touched his queen, he was obligated to use it to capture the pawn. [35.fxg5+- should win] 35...Qxb2

 and black again has a winning game

36.Qf5 Rc5 37.Qd7 Qxa2 38.f5 Qa1?=

 This mistake resulted from intimidation. I was playing for a draw, so I didn't see that I could win. [38...f6-+]

39.Qd8+ Kg7 40.Qg5+ Kf8 41.Qd8+ Kg7 42.Qg5+ 1/2-1/2