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Subject: Strange GM mistakes

Author: Sune Larsson

Date: 13:19:27 07/31/02


I won't dive into the discussion whether top programs have
GM strange or not. We all know that GM:s make tactical mistakes,
suffer heavily from severe time pressure, sometimes lose concentration,
are influenced by their feelings/moods etc. Almost unexplainable mistakes
also happen. Like in the game below.


 [D]r2r4/pp3pk1/4bp2/7R/8/5B2/PP3PPP/5RK1 b - - 0 26


 This is from the game IM Berg - GM Timman, Malmö 2002.
 Move 26 and no time pressure. Here Timman played 26.-Rab8??
 His chess knowledge is far beyond playing such a move in this
 position. With the natural 26.-Rd2 black would have saved the draw.
 Activity is vital - activity in rook endings is super vital. Black is
 under pressure and must create counter chances. Of course Timman knows
 this and more - so why really did 26.-Rab8?? happen? Not so much tactics
 here either. Fritz7 immediately chooses 26.-Rd2 with +0.47 for white.
 After 26.-Rab8 Fritz shows +1.34. The whole game below.


[Event "Sigeman & Co Malmo SWE"]
[Site "Malmo SWE"]
[Date "2002.06.07"]
[Round "2"]
[White "Berg, E."]
[Black "Timman, J."]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2514"]
[BlackElo "2616"]
[PlyCount "79"]
[EventDate "2002.06.09"]
[Source "Mark Crowther"]
[SourceDate "2002.06.10"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Qf3 c5 8.
dxc5 dxc5 9. Be3 Nc6 10. Rd1 Nd4 11. Bxd4 cxd4 12. Nge2 O-O 13. Nxd4 Bf6 14.
Ndb5 Qe7+ 15. Be2 Nxc4 16. Nd5 Qe5 17. Nxf6+ gxf6 18. O-O Qxb5 19. Rd4 Qe5 20.
Rxc4 Be6 21. Rh4 Rfd8 22. Bd3 Qg5 23. Bxh7+ Kg7 24. Rh5 Qg4 25. Be4 Qxf3 26.
Bxf3 Rab8 27. Ra5 a6 28. b3 Rd2 29. h3 Bc8 30. Rd5 Rxa2 31. Rd8 Rc2 32. Re1 a5
33. Ree8 f5 34. Bd5 Be6 35. Rxb8 Bxd5 36. Re5 Rc5 37. Kh2 Kf6 38. f4 Rb5 39.
Rd8 Bc6 40. Rd6+ 1-0

Sune










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