Author: Uri Blass
Date: 07:19:54 08/23/04
Go up one level in this thread
On August 23, 2004 at 10:12:38, Stuart Cracraft wrote: >[D]6k1/1q3ppp/r7/1rp1P1n1/3p1P2/1P1R2PP/2Q4K/B4R2 b - f3 0 1 >>> >>>And it holds at the 11th ply >>> >>>NULLMV TT(524288) Alpha=-282 Beta=218 Maxdepth=9999999 MaxTime=9999 >>> 1/16 g5f3 0.01 31 409 g5f3 f1f3 >>> 2/16 g5f3 0.01 31 1539 g5f3 f1f3 b7f3 >>> 3/18 h2h1 0.04 46 6555 a6a1 f1a1 g5f3 d3f3 >>> 4/22 f1f3 0.10 46 19783 a6a1 f1a1 g5f3 d3f3 b7f3 >>> 5/22 a6a1 0.30 44 68423 a6a1 f1a1 g5f3 d3f3 b7f3 a1a3 >>> 6/22 a6a1 0.61 44 165863 a6a1 f1a1 g5f3 d3f3 b7f3 a1a3 b5b3 >>> 7/27 a6a1 2.33 44 613855 a6a1 f1a1 g5f3 d3f3 b7f3 a1a3 b5b3 >>> 8/35 g5h3 19.96 66 4712723 g5h3 e5e6 a6e6 g3g4 h3f4 f1f4 e6h6 h2g3 b7h1 >>> 9/37 g5h3 43.14 66 9160224 g5h3 e5e6 a6e6 g3g4 h3f4 f1f4 e6h6 h2g3 b7h1 >>>a1d4 >>>10/39> g5h3 78.28 316 14437157 g5h3 e5e6 a6e6 g3g4 h3f4 f1f4 e6e1 a1b2 b7h1 h2g >>>3 e1e8 >>>10/49 g5h3 400.73 1993 77426285 g5h3 d3f3 a6h6 h2g2 g7g5 c2f5 g5f4 b3b4 b5b4 >>>11/51 g5h3 748.93 1996 141781903 g5h3 d3f3 a6h6 h2g2 g7g5 c2f5 g5f4 g3f4 b5b4 a >>>1b2 >> >>How do you continue after Nxh3 Kxh3? >> >>Note that Movei liked Nxh3 at small depth but later changed it's mind and you >>need to give me a concincing line for black after Nxh3 Kxh3 >> >>Movei can see only near draw score after these moves. >> > >Uri, I'm surprised at you and Movei. I assume the following will convince >you (after Nxh3, Kxh3): > >NULLMV TT(524288) Alpha=-2291 Beta=-1791 Maxdepth=9999999 MaxTime=9999 > 1/ 9 a6h6 0.00 -2031 139 a6h6 h3g4 > 2/15 a6h6 0.02 -2025 1708 a6h6 h3g4 b7e4 > 3/18 h3h2 0.05 -2025 7014 a6h6 h3g4 b7e4 d3f3 > 4/24 h3h2 0.24 -2031 44609 a6h6 h3g4 h6g6 g4f5 b7c8 f5e4 c8h3 > 5/35 a6h6 0.56 -2031 103353 a6h6 h3g4 h6g6 g4f5 b7c8 f5e4 c8h3 > 6/35 a6h6 2.66 -2031 553547 a6h6 h3g4 h6g6 g4f5 b7c8 f5e4 c8h3 a1d4 > 7/35 a6h6 5.24 -2024 1076578 a6h6 h3g4 b7c6 c2c4 b5b4 c4c2 c6e4 > 8/35> a6h6 7.01 -1774 1435626 a6h6 h3g4 b5b6 a1d4 c5d4 d3d4 b6b3 > 8/37 Ma6h6 7.92 9999990 1656130 a6h6 h3g4 f7f5 g4f5 b7c8 e5e6 c8e6 f5g5 e6g6 > >nps=209187 ha=27.00% q=64.0% bc=79% br=NaN% mp=161<>219 >pawnx=0 recapx=0 qcheckx=90065 checkx=32609 futilx=0 qfutilx=0 > >I submit that this is a good position for you to debug an obvious >bug in movei!!! It should be able to see this mate as it is very simple. After Rh6+ Kg4 f5+ exf6 I see no mate but only draw. Maybe you have a bug in the enpassant code and you do not consider exf6 Uri
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