Author: Uri Blass
Date: 05:03:18 08/10/05
Go up one level in this thread
On August 10, 2005 at 07:42:17, Joachim Rang wrote: >On August 10, 2005 at 07:33:32, Günther Simon wrote: > >>On August 10, 2005 at 07:14:03, Günther Simon wrote: >> >>>On August 10, 2005 at 06:49:27, Joachim Rang wrote: >>> >>>>Peter Svidler defeated The Baron with 1.5-0.5 with a fine vitory with the black >>>>pieces. I don't have the pgn (I think they will appear soon on the >>>>chesstiger-website) but somehow The Baron lost a piece in the 2nd game and it >>>>was no problem for Svidler to convert. >>>> >>>>regards Joachim >>>> >>>>P.S.: Btw Shredder crushed Zoltan Almasi 2:0 - but who expected anything else? >>>>I'm a patzer but it seemd Almasi blundered several times. >>> >>> >>>I watched the 2nd Baron game shortly, but I saw immediately that it must >>>have blundered a piece already in the early opening, obviously a bug? >>>Hopefully Richard can get rid off it before start of the FRC CCC. >>> >>>Guenther >> >>It seems it was no bug in The Baron, but a problem for a lot of FRC programs, >>at least below depth 12/13? >>I tested Glaurung 050802 and Shredder 9.1 for this position: >>(I don't understand both programs' PVs for the losing Nexf5??) >> >>[D]r3kn1r/ppbb1q1p/2p5/3p1n2/3N1P2/2P5/PPBBP2P/2KR2QR w ha - (S-Fen) >> >>Analysis on my slow 2nd machine (PIII 650, 128MB hash for both) >> >>Glaurung 050802 >> 8/23 0:01 -0.37 14.c4 Tg8 15.Df2 dxc4 16.Dh4 c5 17.Sf3 Se4 (195.934) 100 >> 8/23 0:03 -0.29 14.Dg2 Se4 15.Sexf5 Tg8 16.Dh3 Sxd2 17.Kxd2 Lxf4+ 18.e3 >>(323.053) 102 >> 8/23 0:04 +0.79 14.Sexf5 Sxf5 15.Sxf5 O-O-O 16.Dg5 Se6 17.De7 Dxe7 18.Sxe7+ >>Kb8 (477.654) 101 >> 9/23 0:05 +0.79 14.Sexf5 Sxf5 15.Sxf5 O-O-O 16.Dg5 Se6 17.De7 Dxe7 18.Sxe7+ >>Kb8 (508.854) 101 >> 10/23 0:06 +0.76 14.Sexf5 Sxf5 15.Sxf5 O-O-O 16.Dg5 Sg6 17.Sh6 De7 18.Dxe7 >>Sxe7 (627.503) 101 >> 11/23 0:10 +1.02 14.Sexf5 Sxf5 15.Sxf5 Sg6 16.Sh6 Df6 17.De3+ De7 18.Dxe7+ >>Kxe7 19.e3 Thf8 20.Thg1 (1.092.802) 103 >> 12/25 0:16 +0.99 14.Sexf5 Sxf5 15.Sxf5 Sg6 16.Sh6 Df6 17.De3+ De7 18.Dxe7+ >>Kxe7 19.e3 Thf8 20.Thg1 Tf6 (1.688.446) 103 >> 13/28 0:45 -2.60 14.Sexf5 Sxf5 15.Df2 Sg6 16.e3 O-O-O 17.Thg1 c5 18.Sb3 De7 >>19.e4 dxe4 20.Sxc5 (4.857.252) 106 >> >>Shredder 9 UCI >> 8/21 0:01 +0.50 14.Dg5 Tg8 15.Dh4 Sg6 16.Dh5 O-O-O 17.Sexf5 Sxf5 18.Sxf5 >>(106.214) 86 >> 9/20 0:01 +0.25-- 14.Dg5 Tg8 (158.991) 88 >> 9/22 0:02 +0.19 14.Dg5 Tg8 15.Dh4 Sg6 16.Dh5 O-O-O 17.Sexf5 Sxf5 18.Sxf5 >>Tde8 (189.731) 91 >> 10/23 0:04 +0.18 14.Dg5 Tg8 15.Dh4 Sg6 16.Dh5 O-O-O 17.Sexf5 Sxf5 18.Lxf5 >>Lxf5 19.Sxf5 (379.648) 94 >> 10/23 0:06 +0.19++ 14.Sexf5 (603.582) 96 >> 10/23 0:06 +0.54++ 14.Sexf5 (619.399) 97 >> 10/29 0:08 +0.99 14.Sexf5 O-O-O 15.Sxd6+ Lxd6 16.f5 c5 17.Sb3 La4 18.e4 >>(803.191) 99 >> 11/28 0:12 +1.20 14.Sexf5 O-O-O 15.Sxd6+ Lxd6 16.Sb3 Lb8 17.f5 Tg8 18.Df2 >>(1.243.252) 101 >> 12/25 0:17 +0.95-- 14.Sexf5 O-O-O (1.841.875) 103 >> 12/25 0:18 +0.45-- 14.Sexf5 O-O-O (1.902.032) 104 >> 12/28 0:36 -2.48 14.Sexf5 Sxf5 15.Lxf5 Lxf5 16.Dg5 Le4 17.Thg1 Se6 18.Sxe6 >>Dxe6 19.Le3 Lg6 20.Ld4 O-O (3.875.633) 106 >> 12/28 0:36 -2.47++ 14.Dg5 (3.928.638) 106 >> 12/28 0:37 -2.12++ 14.Dg5 (3.957.162) 106 >> 12/28 0:40 +0.01 14.Dg5 Tg8 15.Dh4 Sg6 16.Dh5 Sxf4 17.Dh6 Sg6 18.Thf1 O-O-O >>19.Sdxf5 Sxf5 20.Sxf5 Kb8 21.Kb1 (4.307.016) 106 >> >>Guenther > > >oh yes you are correct. Fruit 960 considers this also till depth 10. It seems >programs have problems to see that after: > > >15. Nxf5 Bxf5 16. Bxf5 Qxf5 17. Qg7 >O-O-O 18. Qxh8 Ne6 > >[D]2kr3Q/ppb4p/2p1n3/3p1q2/5P2/2P5/PP1BP2P/2KR3R w - - > >whites Queen is trapped. Note that 19.e4 helps to increase the problems of programs to find it because they believe that after e4 dxe4 the white queen is not trapped. Uri
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