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Subject: Re: Is this draw ? I believe so, Rb1 and Rg3 seem to only Draw.

Author: Eugene Nalimov

Date: 12:04:13 07/05/05

Go up one level in this thread


On July 05, 2005 at 14:41:42, Dieter Buerssner wrote:

>On July 05, 2005 at 13:37:55, Terry McCracken wrote:
>
>>On July 05, 2005 at 13:01:07, Yar wrote:
>>
>>>8/7p/4k3/2B5/1P2K3/1r6/8/8 b - -
>>
>>Yes it appears to be a draw unless there is something hidden in the position?
>
>This is a 6-men position. As far as I know, this particular 6-men TB has never
>been available from Robert Hyatt's ftp. But Marc Bourzutschky has created all
>6-men TBs in the chessmaster format. He should be able to give a definite result
>to this position. He might not read this thread. You should be able to find his
>email adress by the CCC search engine.
>
>Regards,
>Dieter

C:\Crafty>wcrafty.exe

Initializing multiple threads.
System is SMP, not NUMA.
unable to open book file [./book.bin].
book is disabled
unable to open book file [./books.bin].

Crafty v19.18 (1 cpus)

White(1): tbpath=k:\32;k:\21;k:\41;k:\31;k:\22;f:\33p
6 piece tablebase files found
93611kb of RAM used for TB indices and decompression tables
White(1): 8/7p/4k3/2B5/1P2K3/1r6/8/8 b - -
1. ... Rb1! 2. Kf4! Kd5! 3. Kg5 Ke4! 4. Kg4! Ra1 5. Bb6 Ra6 6. Bc5!
Rg6+! 7. Kh3! Kf3! 8. Kh2! Rg2+ 9. Kh3! Rb2 10. Bf8 Rb1! 11. Kh2!
Kg4! 12. Bg7 Rxb4! 13. Be5! Ra4 14. Bb8 Ra2+ 15. Kg1! Kh3 16. Bc7
Rg2+ 17. Kf1! Rg4 18. Kf2! Rg6 19. Bb8 Rg2+ 20. Kf1! Rg4! 21. Bc7
Kh4! 22. Bb8 Kg5 23. Kf2 Kf5 24. Bg3 h5! 25. Kf3! h4! 26. Bb8 Rb4
27. Ba7! Rb2 28. Bd4! Ra2 29. Bb6 h3! 30. Bc7! h2! 31. Bxh2! Rxh2!
32. Ke3! Rh4 33. Kd3! Re4 34. Kc3 Kf4! 35. Kd3 Kf3! 36. Kd2 Re3!
37. Kd1! Re2! 38. Kc1 Rf2 39. Kd1 Ke3! 40. Kc1! Kd3! 41. Kb1! Kc3!
42. Ka1! Kb3! 43. Kb1 Rf1#
              puzzling over a move to ponder.
              depth   time  score   variation (1)
Black(1): Rb1 [pondering]
              clearing hash tables
              time surplus   0.00  time limit 30.00 (3:30)
              depth   time  score   variation (1)
              time=0.02  cpu=0%  mat=-2  n=113  fh=100%  nps=10K
              ext-> chk=0 cap=0 pp=0 1rep=0 mate=0
              predicted=0  nodes=113  evals=17  50move=0
              endgame tablebase-> probes=15  hits=15
              hashing-> 65%(raw) 65%(depth)  0%(sat)  94%(pawn)
              hashing-> 65%(exact)  0%(lower)  0%(upper)
              SMP->  split=0  stop=0  data=0/128  cpu=0.00  elap=0.02



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