Author: Eduard Nemeth
Date: 05:55:58 01/09/06
Go up one level in this thread
On January 09, 2006 at 08:38:08, Eduard Nemeth wrote: > >>[D]r6k/2PK1p2/7p/8/2R5/8/8/8 w - - 0 62 >> >>Rybka has completely outplayed Fruit and is probably in a position that most >>programs (or humans) would give up by now. This is a position that even a 500 >>ELO player would win against Kasparov. Simply Queen the pawn with check and then >>it is a simple mop up of the pawns and a simple Rook mate. 4.07/13 3. Well >>Rybka actually manages to screw this up and manages only a draw !!! >> >>.......62.Ra4?? WHAT IN THE WORLD IS THIS ????!!!!????!!!????? Rybka goes for a >>Queen and Rook with 2 pawns ending instead a simple Rook win. Although this >>might be a win for white I could not get any engine to find a win. It might be >a draw even with best play by white. > >Ok, then is Shredder 7.04 very bad, and Rybka at last great! :-) > >See this analyses on my slow P3 600 with 64 MB hash (without EGTBs)!! > >r6k/2PK1p2/7p/8/2R5/8/8/8 w - - 0 1 > >Analysis by Shredder 7.04: > >1.c8T+ Txc8 2.Txc8+ Kg7 3.Ke7 h5 4.Tc6 f5 5.Tf6 h4 6.Txf5 Kh6 7.Ke6 h3 8.Tf2 Kh5 > +- (4.79) Tiefe: 13/22 00:00:05 458kN >1.c8T+ Txc8 2.Txc8+ Kg7 3.Tc6 h5 4.Ke7 f5 5.Ke6 Kg6 6.Ke5+ Kg5 7.Tc1 h4 8.Tg1+ >Kh5 9.Kxf5 h3 > +- (4.98) Tiefe: 14/26 00:00:08 987kN >1.Ta4 Tg8 2.Tb4 Ta8 3.Tb8+ Kg7 4.c8D Ta7+ 5.Kc6 h5 > +- (4.99) Tiefe: 14/30 00:00:11 1436kN >1.Ta4 Txa4 2.c8D+ Kg7 3.Dc3+ Kg8 4.Dc6 Ta7+ 5.Ke8 f6 6.Dg2+ Tg7 7.Dd5+ Kh7 >8.Df5+ Kg8 9.Dxf6 Kh7 10.Df5+ Kh8 > +- (5.11) Tiefe: 14/32 00:00:15 2061kN >1.Ta4 Txa4 2.c8D+ Kg7 3.Dc3+ Kg8 4.Dc6 Ta7+ 5.Ke8 f6 6.Db6 Tg7 7.Dxf6 Kh7 8.Kf8 >Tb7 9.Df5+ Kh8 10.Df6+ Kh7 11.Df5+ Kh8 12.Df6+ Kh7 13.Df5+ > +- (5.27) Tiefe: 15/36 00:00:21 3006kN >1.Ta4 Txa4 2.c8D+ Kg7 3.Dc3+ Kg8 4.Dc6 Ta7+ 5.Ke8 f6 6.Dd5+ Kg7 7.Dg2+ Kh7 8.Kf8 >h5 9.De4+ f5 10.De7+ Txe7 > +- (5.29) Tiefe: 16/39 00:00:39 5954kN > >(Nemeth, Privat 09.01.2006) > >Only Draw. > > >r6k/2PK1p2/7p/8/2R5/8/8/8 w - - 0 1 > >Analysis by Rybka 1.01 Beta 9 32-bit: > >1.Ta4 Txa4 2.c8D+ Kg7 3.Dc3+ f6 4.Dg3+ Kh7 5.Ke6 Ta6+ 6.Kd5 f5 7.Ke5 Tg6 > +- (4.37) Tiefe: 15 00:01:29 4119kN >1.c8D+ Txc8 2.Txc8+ Kg7 3.Ke7 h5 4.Tc1 Kg6 5.Tc6+ Kf5 6.Tc7 h4 7.Kxf7 h3 > +- (4.42) Tiefe: 15 00:01:47 6187kN >1.c8D+ Txc8 2.Txc8+ Kg7 3.Ke7 h5 4.Tc1 Kg6 5.Tc6+ Kf5 6.Tc7 h4 7.Kxf7 h3 > +- (4.42) Tiefe: 16 00:02:19 7902kN >1.c8D+ Txc8 2.Txc8+ Kg7 3.Tc6 f6 4.Ke6 Kg6 5.Tc1 Kg5 6.Tg1+ Kf4 7.Th1 f5 > +- (4.44) Tiefe: 17 00:03:16 11903kN > >(Nemeth, Privat 09.01.2006) > >Surprise! Rybka can win! :-) Now Rybka 1.01 Preview 2 32-bit!! r6k/2PK1p2/7p/8/2R5/8/8/8 w - - 0 1 Analysis by Rybka 1.01 Preview 2 32-bit: 1.Ta4 Txa4 2.c8D+ Kg7 3.Dc3+ f6 4.Dg3+ Kh7 5.Dd3+ Kg7 6.Kc7 Ta5 7.Dd7+ Kg6 +- (4.37) Tiefe: 14 00:00:56 2821kN 1.c8D+ Txc8 2.Txc8+ Kg7 3.Ke7 h5 4.Tc2 f5 5.Tg2+ Kh6 6.Ke6 f4 7.Tf2 h4 +- (4.42) Tiefe: 14 00:01:00 3055kN 1.c8D+ Txc8 2.Txc8+ Kg7 3.Ke7 h5 4.Tc2 Kg6 5.Tc6+ Kf5 6.Tc7 h4 7.Kxf7 Kf4 +- (4.42) Tiefe: 15 00:01:11 3679kN 1.c8D+ Txc8 2.Txc8+ Kg7 3.Tc6 f6 4.Ke6 Kg6 5.Tc2 Kg5 6.Tc5+ Kg6 7.Tc1 Kg5 +- (4.57) Tiefe: 16 00:02:02 6377kN (Nemeth, Privat 09.01.2006) Oh, Rybka 1.01 Preview 2 32-bit can wins! Timecontrol: Shredder will perhaps win in Blitz but draws in a rapid game on my PC. Rybka will perhaps draws in Blitz but win in a rapid game on my PC. Where I am wrong? ED.
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