Author: Joachim Rang
Date: 04:42:17 08/10/05
Go up one level in this thread
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.
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