Author: Pierre Bourget
Date: 07:02:33 07/07/02
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On July 07, 2002 at 02:57:26, Kurt Utzinger wrote: >The diagram position stated below is a very hard task for most chess programs. >So far I have found only three programs being abel to produce a solution under >five minutes (all on Ath 1.2/32 MB hash): > >[D]1r4k1/1q3pp1/r3b2p/p2N4/3R4/QP3P2/2P3PP/1K1R4 w - - 0 1 > >Utzinger,K - Gambit Tiger 2.0 >1r4k1/1q3pp1/r3b2p/p2N4/3R4/QP3P2/2P3PP/1K1R4 w - - 0 1 > >Analysis by Gambit Tiger 2.0 aggr: [Ath 1.2/32 MB hash] > >1.Sf6+ gxf6 2.Td8+ Txd8 3.Txd8+ Kh7 4.Df8 Kg6 5.g4 f5 6.Dg8+ Kf6 7.Dh8+ Ke7 >8.Df8+ Kf6 9.Dxh6+ Ke7 > +- (2.94) Tiefe: 10 00:00:00 152kN > +- (3.98) Tiefe: 13 00:00:14 5867kN > >(Utzinger, MyTown 07.07.2002) >-------------------------------------------------------------------------------------------- > >Utzinger,K - Fritz 7 >1r4k1/1q3pp1/r3b2p/p2N4/3R4/QP3P2/2P3PP/1K1R4 w - - 0 1 > >Analysis by Fritz 7: [Ath 1.2/32 MB hash] > >1.Da4 Tc8 2.Se3 Tb6 3.Td8+ Kh7 4.Txc8 Dxc8 5.Dd4 Dc7 6.Dd3+ g6 7.Dd8 > = (0.25) Tiefe: 8/22 00:00:00 397kN > = (0.22) Tiefe: 10/27 00:00:02 1309kN >1.Dc5 Te8 2.T1d2 Kh8 3.Sc3 Db8 4.h3 a4 5.Tb4 Da8 > = (0.25) Tiefe: 10/27 00:00:04 2729kN > = (0.19) Tiefe: 11/28 00:00:17 11349kN >1.Da4 Tc8 2.Se3 Tb6 3.Td8+ Kh7 4.Txc8 Dxc8 5.Dxa5 Tb8 6.Kb2 Ta8 > = (0.22) Tiefe: 11/28 00:00:17 11989kN > ² (0.34) Tiefe: 14/34 00:02:40 112080kN >1.Sf6+! > ² (0.38) Tiefe: 14/40 00:03:48 160695kN > +- (2.28) Tiefe: 15/36 00:04:03 171246kN > >(Utzinger, MyTown 07.07.2002) >-------------------------------------------------------------------------------------------- >Analysis by Junior 7: [Ath 1.2/32 MB hash] > >1.b4 axb4 2.Txb4 >= (-0.24) Tiefe: 3 00:00:00 >1.f4 a4 >= (0.09) Tiefe: 3 00:00:00 >1.g4 a4 >= (0.11) Tiefe: 3 00:00:00 >1.Se3 Dc6 >² (0.32) Tiefe: 3 00:00:00 >1.Sc3 Dc6 >² (0.36) Tiefe: 3 00:00:00 >1.Se7+ Kh7 2.Kc1 Te8 3.Sd5 Tc6 4.Da1 >± (1.23) Tiefe: 3 00:00:00 >= (0.20) Tiefe: 9 00:00:00 161kN >1.Dc5 Kh7 2.Tc4 Tc8 3.Dd4 Lf5 4.Txc8 Dxb3+ 5.Ka1 Da3+ 6.Kb1 >² (0.55) Tiefe: 9 00:00:00 206kN >= (0.00) Tiefe: 15 00:00:19 19961kN >1.g4 Lxd5 2.Txd5 a4 3.Td8+ Kh7 4.Txb8 Dxb8 5.h4 Db5 6.Df8 axb3 7.Dxf7 b2 >= (0.07) Tiefe: 15 00:00:25 26365kN >1.Sf4 Dc7 2.Sxe6 Txe6 3.Td7 Dc3 4.Db2 Dc5 5.T7d5 Df2 6.Td8+ Te8 7.Txb8 Txb8 >² (0.28) Tiefe: 15 00:00:56 56425kN >1.Sf6+! >² (0.62) Tiefe: 15 00:00:58 58385kN >± (1.17) Tiefe: 16 00:01:19 82690kN >******************************************************************************************** Fritz 5.32 also find it under one minute on an Athlon XP 1600+. Pierre
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