Author: Robert Hyatt
Date: 07:48:43 06/11/01
Go up one level in this thread
On June 11, 2001 at 04:30:16, Larry Clark wrote:
>On June 11, 2001 at 03:44:26, Christophe Theron wrote:
>
>>On June 11, 2001 at 01:35:52, Jonas Cohonas wrote:
>>
>>>In this game Gambit Tiger2.0 (Chesstosteron) operated by me played an amateur
>>>engine called queenmaximus, pieces flying all over the place in a great game :-)
>>>the peculiar thing happened at move 63 in this position:
>>>
>>>[D] 6r1/PKP5/8/8/5k2/8/8/8 w - - 0 63
>>>
>>>where the endgame tb's started repeating the position, luckily i was observing
>>>the game and finished the game myself, thus the patzer mate :-), i use the
>>>endgame files from the 4 shredder cd's try it out and get a good laugh.
>>>Afterwards it tried repeating blacks moves and surely white kept repeating Kb6
>>>Kb7 Kb6 etc... :-)
>>>
>>>
>>>[Event "ICC 2 12"]
>>>[Site "Internet Chess Club"]
>>>[Date "2001.06.11"]
>>>[Round "-"]
>>>[White "Chesstosteron"]
>>>[Black "QueenMaxima"]
>>>[Result "1-0"]
>>>[ICCResult "Black checkmated"]
>>>[WhiteElo "2470"]
>>>[BlackElo "2365"]
>>>[Opening "KGD: Nimzovich counter-gambit"]
>>>[ECO "C31"]
>>>[NIC "KG.04"]
>>>[Time "00:55:16"]
>>>[TimeControl "120+12"]
>>>
>>>1. e4 e5 2. f4 d5 3. exd5 c6 4. Nc3 cxd5 5. Qh5 Nc6 6. Bb5 exf4 7. Nxd5 g5
>>>8. Nc3 Bd7 9. Qe2+ Be7 10. Nf3 h6 11. Nd5 a6 12. Ba4 Bg4 13. Qe5 f6 14. Qe4
>>>Kf7 15. Bb3 Kg7 16. Ne3 h5 17. h3 Bd7 18. Nd5 Bc5 19. d3 Na5 20. Nxg5 fxg5
>>>21. Qe5+ Kh7 22. Qe4+ Kh6 23. h4 Bd6 24. hxg5+ Qxg5 25. Nxf4 Nxb3 26. Rxh5+
>>>Qxh5 27. Nxh5+ Nxc1 28. Qd4 Be5 29. Qxd7 Bxb2 30. Rb1 Bc3+ 31. Kd1 Kxh5 32.
>>>Rb6 Nf6 33. Qf5+ Kh4 34. Rxf6 Bxf6 35. Qxf6+ Kg4 36. Kxc1 b5 37. c4 bxc4 38.
>>>dxc4 Rhf8 39. Qg6+ Kf4 40. c5 Ke5 41. Qd6+ Ke4 42. c6 Rf1+ 43. Kb2 Rf2+ 44.
>>>Kc3 Rxg2 45. Qd3+ Kf4 46. Qf1+ Kg3 47. c7 Rc8 48. Qe1+ Rf2 49. Kd3 Kg2 50.
>>>Qe4+ Kg3 51. Qg6+ Kh4 52. Qd6 Rff8 53. Qxa6 Rce8 54. Qh6+ Kg4 55. a4 Kg3 56.
>>>a5 Rf3+ 57. Kd4 Rf4+ 58. Kc5 Rff8 59. Qxf8 Rxf8 60. Kb6 Ra8 61. a6 Rf8 62.
>>>a7 Rg8 63. Kb7 Kf4 64. Kb6 Kg4 65. Kb7 Kf4 66. a8=Q Rxa8 67. Kxa8 Ke4 68.
>>>c8=Q Kd4 69. Qf5 Kc3 70. Qe4 Kd2 71. Qf3 Kc2 72. Ka7 Kd2 73. Kb6 Kc2 74. Kc5
>>>Kb1 75. Qf2 Kc1 76. Kc4 Kd1 77. Kc3 Kc1 78. Qf1# {Black checkmated} 1-0
>>>
>>>Regards
>>>Jonas
>>
>>
>>
>>You are probably missing the KQP/KR tablebase.
>>
>>You need to install all the 5 men tablebases, or else you can get this kind of
>>problem...
>>
>>
>>
>> Christophe
>
>Correct. If you have all of the 5-man tablebases, it's mate in 12.
>
>1.c8Q #12/1 Rxc8 #12/1 2 2.Kxc8 #11/1 0 Ke3 #10/1 0 3.Kc7 #10/1 0
>Kd3 #9/1 0 4.Kc6 #9/1 0 Kc4 #8/1 0 5.a8Q #8/1 0 Kd3 #7/1 0 6.Qe8
>#7/1 0 Kd2 #6/1 0 7.Kd5 #6/1 0 Kd3 #5/1 0 8.Qe1 #5/1 0 Kc2 #5/1
>0 9.Kc4 #4/1 0 Kb2 #4/1 0 10.Qf2+ #3/1 0 Ka1 #2/1 0 11.Kb3 #2/1 0
> Kb1 #2/1 0 12.Qe1# #1/1 0 1-0
Note that this can be fixed so that the program will win, even with a missing
table here and there.
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