Author: John Merlino
Date: 11:11:58 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
Chessmaster 9000, on a P3-733, avoids Qxa2 in less than one second, and
eventually settles on d6 after 41 seconds:
Time Depth Score Positions Moves
0:01 1/6 -0.50 44501 19...d6 20.Rb2 Rad8 21.Qd1 Qa3
22.Qc2
0:01 1/7 -0.47 99717 19...d6 20.Bc1 a5 21.Rb2 Ba6 22.Qd1
Qd7 23.f3
0:03 1/8 -0.59 195879 19...d6 20.Bc1 a5 21.Rb2 Ba6 22.Qd1
Qc6 23.d5 Qd7
0:05 1/8 -0.67 311394 19...Qa5 20.Qd1 Qxa2 21.Ra1 Qb2
22.Bg2 d5 23.cxd5 Bxd5
0:10 1/9 -0.19 704309 19...Qa5 20.Qd1 d6 21.Qb3 Rad8
22.Bg2 Ba6 23.h3 c6
0:17 1/9 -0.32 1154223 19...Nh7 20.h4 d6 21.Bc1 a5 22.Rb2
Ba6 23.Qd1 Qd7 24.f4
0:33 1/10 -0.26 2350168 19...Nh7 20.Qd1 Qc6 21.d5 Qd6 22.Bg2
c6 23.dxc6 dxc6 24.Bc1
0:41 1/10 -0.53 2886755 19...d6 20.Qd1 Qd7 21.Rb2 Ba6 22.Rb4
c5 23.Ra4 Bb7 24.Bg2
0:57 2/11 -0.34 4126517 19...d6 20.Qd1 Qd7 21.Qb3 a5 22.Qb5
Bc6 23.Qb2 Qf5 24.Bg2 Ba4
2:35 3/12 -0.50 11654017 19...d6 20.Qd1 Qd7 21.Qc2 Rac8
22.Qb3 c5 23.Bg2 Ba6 24.d5 Qg4
25.Qa4
5:02 4/13 -0.41 23666469 19...d6 20.Qd1 Qd7 21.Qb3 a5 22.Qb5
Bc6 23.Qb2 Ba4 24.Bg2 Qe6 25.d5 Qf5
23:04 5/14 -0.53 103353930 19...d6 20.Qd1 Qd7 21.Qb3 a5 22.Qb5
Bc6 23.Qb2 Ba4 24.a3 Qe6 25.d5
Qf5 26.Bg2
jm
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