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Subject: Endgame test position

Author: Andrew Williams

Date: 04:46:27 05/15/02

How long does it take your program to see Rxe7! here?

[D]4r1k1/2R1N1b1/8/p7/1p6/6PK/7P/8 b - - bm Rxe7

The game was played at home on my Athlon 1200, but on the Intel PIII-933 here at
work, it takes postmodernist 25 seconds to see the move.

This was a game played between my program and another program. I don't know
which program, because the account is one of those annoying ones which switches
between programs of different strengths. Here's the PGN:

[Event "ICC 15 0"]
[Site "Internet Chess Club"]
[Date "2002.05.15"]
[Round "-"]
[White "PostModernist"]
[Black "did"]
[Result "0-1"]
[ICCResult "White resigns"]
[WhiteElo "2458"]
[BlackElo "2529"]
[Opening "Queen's Indian: Nimzovich variation (exaggerated fianchetto)"]
[ECO "E15"]
[NIC "QI.05"]
[Time "05:59:48"]
[TimeControl "900+0"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8.
Bc3 d5 9. Ne5 Ne4 10. O-O Nxc3 11. Nxc3 f6 12. Nd3 dxc4 13. Nf4 Bb4 14. Na4
Qd6 15. Bh3 f5 16. bxc4 Bxc4 17. Nb2 Bd5 18. Qd3 Qe7 19. f3 g5 20. Nxd5 cxd5
21. e4 g4 22. fxg4 fxe4 23. Qc2 Qd7 24. g5 Nc6 25. Bxe6 Qxe6 26. Rf6 Qd7 27.
Qxc6 Qxc6 28. Rxc6 Bd2 29. Rf1 Be3+ 30. Kg2 Bxd4 31. Na4 Kd7 32. Rh6 Ke7 33.
Rc1 Rad8 34. Nc3 Bg7 35. Rh5 a6 36. Ne2 Rc8 37. Rxc8 Rxc8 38. Nf4 Rc2+ 39.
Kh3 Kf8 40. Nxd5 Rd2 41. Ne3 Rd3 42. Ng2 e3 43. Rh4 Ra3 44. Re4 Rxa2 45.
Nxe3 Re2 46. Rf4+ Kg8 47. Nd5 b5 48. Rf1 a5 49. Rc1 b4 50. Rc8+ Kf7 51. Rc7+
Kf8 52. g6 hxg6 53. Nf4 Re8 54. Nxg6+ Kg8 55. Ne7+ Rxe7 56. Rxe7 b3 57. Re8+
Kh7 58. Rb8 b2 59. Rb5 a4 60. Rb4 a3 61. Rh4+ Kg8 62. Ra4 Bf8 63. Rg4+ Kf7
64. Rf4+ Ke8 65. Ra4 b1=Q 66. Ra8+ Kf7 {White resigns} 0-1


Cheers

Andrew

• Re: Endgame test position Peter McKenzie 12:50:59 05/15/02
• Re: Endgame test position Dann Corbit 10:26:07 05/15/02
• Re: Endgame test position Dann Corbit 10:22:30 05/15/02
  • Re: Endgame test position Vincent Diepeveen 15:42:18 05/15/02
    • Re: Endgame test position Uri Blass 20:47:57 05/15/02
• Re: Endgame test position Dann Corbit 10:19:00 05/15/02
• Re: Endgame test position Dann Corbit 10:01:21 05/15/02
• Re: Endgame test position Dann Corbit 09:52:26 05/15/02
• Re: Endgame test position Dann Corbit 09:45:11 05/15/02
• Re: Endgame test position Dann Corbit 09:41:13 05/15/02
• Re: Endgame test position Dann Corbit 09:29:29 05/15/02
• Re: Endgame test position Dann Corbit 09:26:42 05/15/02
• Re: Endgame test position Uri Blass 07:09:49 05/15/02
• Re: Endgame test position Carmelo Calzerano 06:50:47 05/15/02
• Re: Endgame test position Gian-Carlo Pascutto 05:23:27 05/15/02
  • 4 deeps and a tiger K. Burcham 06:13:53 05/15/02
• Clarification Andrew Williams 05:20:07 05/15/02

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