Author: Uri Blass
Date: 06:49:57 01/09/03
Go up one level in this thread
On January 09, 2003 at 09:35:16, Andrew Williams wrote:
>Hi,
>
>Last night I was looking at a game between Hossa and PostModernist. PM lost
>after it took the pawn on a2 in this position:
>
>[D]r3r1k1/pbpp1pp1/1p3n1p/8/q1PPp3/2P1P1P1/P2BQP1P/1R2RBK1 b - - 0 19 am Qxa2
>
>
>How long does it take your program to ignore the Pawn here? Even after five
>minutes thinking, PM still wants to take it. The full game follows:
>
>[Event "ICC 20 5"]
>[Site "Internet Chess Club"]
>[Date "2003.01.03"]
>[Round "-"]
>[White "Hossa"]
>[Black "PostModernist"]
>[Result "1-0"]
>[ICCResult "Black resigns"]
>[WhiteElo "2303"]
>[BlackElo "2356"]
>[Opening "English: four knights, kingside fianchetto"]
>[ECO "A29"]
>[NIC "EO.04"]
>[Time "05:12:05"]
>[TimeControl "1200+5"]
>
>1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Nd4 5. Bg2 Nxf3+ 6. Bxf3 Bb4 7. d4 e4
>8. Bg2 O-O 9. Bg5 Re8 10. O-O Bxc3 11. bxc3 h6 12. Bf4 b6 13. Re1 Bb7 14.
>Rb1 Nh5 15. Bd2 Qf6 16. Bh3 Qc6 17. e3 Nf6 18. Qe2 Qa4 19. Bf1 Qxa2 20. Ra1
>Qb3 21. Reb1 Qc2 22. Rc1 Qb3 23. Be1 Nd5 24. Rc2 d6 25. Rb2 Qxb2 26. Qxb2
>Nf6 27. c5 dxc5 28. dxc5 Red8 29. c4 Nd7 30. cxb6 cxb6 31. Bb4 Bc6 32. Bh3
>f6 33. Bd6 Re8 34. Ra6 Ne5 35. c5 Bd5 36. Bxe5 Rxe5 37. cxb6 axb6 38. Rxa8+
>Bxa8 39. Qxb6 Bd5 40. Qb8+ Kh7 41. Bd7 h5 42. Qc8 Kg6 43. Qf8 Bc4 44. Be8+
>Kh7 45. Bf7 Bxf7 46. Qxf7 Kh6 47. Kg2 Rb5 48. h3 Rg5 49. Qg8 Re5 50. g4 hxg4
>51. hxg4 Kg6 52. Kg3 Kh6 53. Kf4 Kg6 54. Qc4 Kh6 55. Qf7 Kh7 56. Qc7 Rg5 57.
>Kxe4 Kg6 58. Qd7 Re5+ 59. Kd4 Ra5 60. f4 Ra1 61. Qe8+ Kh7 62. g5 fxg5 63.
>fxg5 Rd1+ 64. Kc5 {Black resigns} 1-0
>
>
>Andrew
Easy for movei.
Movei see that Qxa2 only draws at depth 10 after less than 10 seconds so it
changes it's mind to another move.
Does PM want to take the pawn with positive score?
Uri
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