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Subject: Re: Position evaluation

Author: Robert Hyatt

Date: 07:16:39 02/28/01

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On February 28, 2001 at 04:10:58, Frank Phillips wrote:

>Below is one of several of games I lost to Comet (utuerke on chess.net) in
>impressive style.  My program played into the following position, assessing it
>as positive for white, only to lose very quickly after Qa6.  Qb7 might have held
>on longer.  I would be interested in other programs static evaluation for the
>given position.  To my untutored eye, the material balance does not look bad for
>white.
>
>[D]4r1k1/Q2b1p1p/1n4p1/3P4/3bq3/6B1/PP3PPP/R4RK1 w - -
>
>
>[Event " "]
>[Site "localhost"]
>[Date "2001.02.27"]
>[Round " "]
>[White "Searcher"]
>[Black "utuerke"]
>[Result "0-1"]
>[WhiteElo "0"]
>[BlackElo "0"]
>[TimeControl "300+3"]
>
>1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Bc4 Nb6 8.
>Bb5 dxe5 9. Bxc6+ bxc6 10. Nxe5 g6 11. Nc3 Qd6 12. O-O Bg7 13. Bf4 Nd5 14.
>Bg3 O-O 15. Qa4 Nb6 16. Nxc6 Qf6 17. Qb5 Bd7 18. d5 Rfe8 19. Qc5 Rac8 20.
>Ne4 Qf5 21. Nxe7+ Rxe7 22. Qxe7 Re8 23. Qa3 Qxe4 24. Qxa7 Bd4 25. Qa6 Qxd5
>26. Rfd1 Nc4 27. Rac1 Bc6 28. Qxc6 Qxc6 29. b3 Qe4 30. bxc4 Bb2 31. Rb1 Ba3
>32. c5 Bxc5 33. h3 Ba3 34. Rb5 Qe2 35. Rbd5 Qxa2 36. R1d2 Re1+ 37. Kh2 Qa1
>38. Bf4 Be7 39. Kg3 h5 40. Kf3 Qa4 41. Be3 Qc6 42. Rd4 Bg5 43. Kg3 Bxe3 44.
>fxe3 Rxe3+ 45. Kf2 Re6 46. Rd1 Qc2+ 47. Kg3 Re2 48. Rd8+ Kg7 49. Rg1 Qc7+
>50. Kf3 Qe5 51. Rd3 h4 52. Re3 Qxe3+ 53. Kg4 Qg3#
>0-1


A static eval here (crafty) is very close to zero.  A very short search says
-1.5 (good for black).



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