Author: Eugene Nalimov
Date: 17:04:52 07/05/05
Go up one level in this thread
On July 05, 2005 at 19:58:32, Dann Corbit wrote: >On July 05, 2005 at 19:44:40, Eugene Nalimov wrote: > >>On July 05, 2005 at 19:26:39, Terry McCracken wrote: >> >>>On July 05, 2005 at 15:04:13, Eugene Nalimov wrote: >>> >>>>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 >>> >>>A win for Black?! I think White is wrong with its K moves and Bg7?? dropping the >>>b pawn, after that its lost!? >>> >>>Are you sure there isn't a bug at work here?? >>> >>>Terry >> >>Please post FEN of position and I'll give you what Crafty with TBs thinks. > >I think he means this position: >5B2/7p/8/8/1P4k1/8/7K/1r6 w - - > >Which has "12. Bg7 Rxb4!" as the follow-on moves in the pv. >Since there is no exclamation point by Bg7, there may be several equally good >moves (e.g. Bd6 perhaps as an alternative to Bg7). After 12. Bd6 Crafty says 12. ... Rb2+ and also thinks it's mate in 32, as after 12. Bg7. Thanks, Eugene
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