Author: Vincent Lejeune
Date: 16:51:22 01/06/06
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On January 06, 2006 at 19:07:39, Robin Smith wrote: >On January 06, 2006 at 05:37:44, Vincent Lejeune wrote: > >> >>BTW, I prepare some other very hard test positions mainly from CCC archives. >>I've about 25 positions now , I'll post them next week. >> >>May be Rybka Winfinder will show some surprising results here... > >Here is another position for your database. >[D] r1qr2k1/pb2bpp1/1p2p2p/2p4n/3P1B2/2PB1N2/PP2QPP1/1K1R2R1 w - - 0 16 bm >16.Bxh6 > >This is from a correspondence game I played many years ago. It would be >interesting to see how programs do today, but when I tried Rybka Winfinder on it >using my 2 year old laptop it still was not solved after several hours. The >position 1 move earlier is absurdly hard for computers. > >-Robin AMD 32 bit @ 2.1 Ghz Hiarcs 10 seems very fast (compared to several hours for Rybka ;) ). Analysis by Hiarcs 10: ... 1.Fe5 µ (-0.71) Profondeur: 9/27 00:00:01 320kN 1.Fe5 Cf6 2.Th1 cxd4 3.Fxd4 Dd7 4.Dd2 Ce4 5.De3 ³ (-0.65) Profondeur: 9/27 00:00:02 382kN 1.Fe5 Cf6 2.Th1 Dc6 3.Dd2 c4 ³ (-0.67) Profondeur: 10/27 00:00:04 764kN 1.Fe5 Cf6 2.g4 c4 3.Fc2 ³ (-0.48) Profondeur: 11/30 00:00:10 1951kN 1.Fe5 Dc6 2.Dc2 Cf6 3.Fxf6 Fxf6 4.Ce5 Fxe5 5.dxe5 Dc7 6.Fh7+ Rf8 7.f4 ³ (-0.52) Profondeur: 12/34 00:00:23 4343kN 1.Fe5 Cf6 2.g4 Ce8 3.Ff4 Cd6 4.Tde1 Dc6 5.Ce5 Dd5 6.De3 ³ (-0.38) Profondeur: 13/37 00:01:10 12721kN 1.Fxh6 ³ (-0.37) Profondeur: 13/39 00:02:10 24089kN 1.Fxh6 ³ (-0.27) Profondeur: 13/39 00:02:24 26196kN 1.Fxh6 gxh6 2.De3 Fg5 3.Cxg5 hxg5 4.Dxg5+ Cg7 5.Th1 f5 6.Dg6 cxd4 7.cxd4 Txd4 ² (0.52) Profondeur: 13/39 00:03:14 34569kN 1.Fxh6 ² (0.27) Profondeur: 14/39 00:03:42 40487kN 1.Fxh6 gxh6 2.De3 Rg7 3.Th1 cxd4 4.De5+ Cf6 5.Dg3+ Rf8 6.Txh6 Re8 7.Ce5 Fd6 8.Txf6 Fxe5 9.Dxe5 = (0.12) Profondeur: 14/39 00:04:33 49924kN 1.Fxh6 gxh6 2.De3 Rg7 3.Th1 Fxf3 4.Dxf3 cxd4 5.Dxh5 Fg5 6.cxd4 Txd4 7.g4 Dd8 8.Fc2 Txd1+ = (0.07) Profondeur: 15/44 00:08:08 92972kN 1.Fxh6 gxh6 2.De3 Rg7 3.Th1 Fxf3 4.Dxf3 cxd4 5.Dxh5 Fg5 6.f4 Fxf4 7.Tdf1 Td5 8.Df3 ² (0.31) Profondeur: 16/47 00:15:35 184625kN
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