Author: Robert Hyatt
Date: 18:30:04 03/26/05
Go up one level in this thread
On March 26, 2005 at 19:46:58, Vincent Lejeune wrote: >On March 26, 2005 at 15:34:45, Dieter Buerssner wrote: > >>On March 26, 2005 at 15:29:42, Dieter Buerssner wrote: >> >>>On March 26, 2005 at 15:20:17, Mike Byrne wrote: >>> >>>>after the main line : Kf2 f5 h3 Kc7 g3 hxg3 is winning no? >>>> >>>>Black(2): his >>>> white black >>>> 1 Kf2 f5 >>>> 2 h3 Kc7 >>>> 3 g3 ... >>>> 17 25.52 -7.17 3. ... hxg3+ 4. Kxg3 f4+ 5. Kg4 b6 >>>> 6. h4 f3 7. Kxf3 gxh4 8. c6 Kxc6 9. >>>> Kg4 b5 10. a5 b4 11. Kxh4 Kb5 12. Kg4 >>>> >>> >>>In this line, Yace says 8. c6? is losing, while 8.cxb6 is draw. >> >>It is such an obvious blunder, that it looks like a bug in Crafty. >> >>Regards, >>Dieter > > >Probably a bug in the static eval of the pawn endgame. after 3 min@3 Ghz : I can't reproduce Mikes PV with this "c6 bug"... I don't get c6 at any point that I can see, it always takes... Any ideas? > >[D]8/2k5/1p6/2Pp4/P2P3p/5K2/8/8 w - - 0 1 > >Analysis by Crafty 19.19: > >1. -+ (-6.69): 8.cxb6+ Rxb6 9.Rg4 Ra5 10.Rxh4 Rxa4 11.Rg4 Rb3 12.Rf3 Rc4 13.Re3 >Rc3 14.Re2 Rxd4 15.Rd2 Re4 16.Re2 d4 17.Rf2 Rd3 >2. -+ (-10.70): 8.c6 Rxc6 9.Rg4 b5 10.axb5+ Rxb5 11.Rxh4 Rc4 12.Rh5 Rxd4 13.Rg4 >Re3 14.Rf5 d4 15.Re5 d3 16.Rd5 d2 17.Re5 d1D 18.Re6
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