Author: Joachim Rang
Date: 03:09:24 09/12/02
Go up one level in this thread
On September 12, 2002 at 02:58:52, Uri Blass wrote: >Fritz 7.0.0.8 - XP Mach�ide x2cou_51 >[D]6r1/r6k/3p1Qp1/2bPp2p/B1P1K2P/1P4P1/8/8 w - - 0 52 bm g4 am Qf1 > > > >I analyazed the first game and I think that the losing mistake of Fritz was >52.Qf1. > >Some analysis suggest that white has a draw by >52.g4 hxg4 53.h5 gxh5 54.Qf5+ Kh6 55.Qf6+ Rg6 56.Qf8+ Kh7 57.Qf5 Re7 58.Be8 Rxe8 >59.Qd7+ Kh6 60.Qxe8 Rf6 61.Qh8+ Kg6 62.Qg8+ > >This was the main line of yace after hours. > >The problem with that is that Fritz probably wanted to win the game >and the default contempt factor told it to prefer -0.12 for Qf1 and not a draw >for g4. > >I say probably because I do not have Fritz7 to analyze and I found the line that >was posted after giving yace to analyze all night when it went backward in the >game. > >Movei is analyzing the position and it likes to play Kf3 with 0.00 score but it >seems that Kf3 is also bad > snip > >Uri this is strange: On my Duron 700 MHz Fritz 7.008 never considers Qf1. I let it analyze about an hour, here is the output: Neue Partie 6r1/r6k/3p1Qp1/2bPp2p/B1P1K2P/1P4P1/8/8 w - - 0 1 Analysis by Fritz 7: 1.Df3! ± (1.00) Tiefe: 8/17 00:00:00 67kN 1.Df3 Kg7 2.Dc3 Tf8 3.b4 Ld4 4.Dc2 Tf2 5.Dd1 ± (1.03) Tiefe: 9/16 00:00:00 91kN 1.Df3 Kg7 2.Dc3 Tf8 3.b4 Ld4 4.Dc2 Tf2 5.Dd1 Kf6 ± (0.91) Tiefe: 10/19 00:00:00 132kN 1.Df3 Kg7 2.Dc3 Tf8 3.b4 Ld4 4.Dc2 Lf2 5.Db3 Lxg3 6.Dxg3 Tf4+ 7.Ke3 ± (0.78) Tiefe: 11/20 00:00:01 330kN 1.Df3 Kg7 2.Dc3 Tf8 3.Dd2 Tf2 4.De1 Te7 5.Dd1 Tef7 ² (0.59) Tiefe: 12/24 00:00:02 875kN 1.Df3-- ² (0.31) Tiefe: 13/26 00:00:05 1890kN 1.Df3 ² (0.31) Tiefe: 13/26 00:00:06 2119kN 1.Df3-- = (0.03) Tiefe: 14/29 00:00:16 5739kN 1.Df3 = (0.03) Tiefe: 14/29 00:00:17 6054kN 1.De6! = (0.06) Tiefe: 14/31 00:00:19 7046kN 1.De6! = (0.22) Tiefe: 14/31 00:00:21 7687kN 1.De6-- = (-0.06) Tiefe: 15/30 00:00:37 13612kN 1.De6 Tf8 2.Le8 Tg7 3.Lc6 Tf1 4.Le8 Te1+ 5.Kd3 Te3+ 6.Kc2 Txg3 ³ (-0.37) Tiefe: 15/34 00:00:50 18231kN 1.Df3! ³ (-0.34) Tiefe: 15/34 00:01:51 40359kN 1.Df3! = (-0.19) Tiefe: 15/34 00:01:51 40495kN 1.Df3! = (0.13) Tiefe: 15/34 00:02:10 46784kN 1.Df3-- = (0.00) Tiefe: 16/35 00:02:49 56627kN 1.Df3 Kg7 2.Dh1 Tf8 3.Dd1 Taf7 4.b4 Lxb4 5.Db3 Lc5 6.Dc3 Tf2 7.Ld1 T8f7 8.Da5 µ (-0.91) Tiefe: 16/35 00:03:32 69674kN 1.Kd3! µ (-0.87) Tiefe: 16/36 00:04:13 82136kN 1.Kd3! µ (-0.72) Tiefe: 16/36 00:04:23 85983kN 1.Kd3! ³ (-0.41) Tiefe: 16/36 00:05:11 98401kN 1.g4! ³ (-0.37) Tiefe: 16/38 00:09:31 169158kN 1.g4 hxg4 2.h5 gxh5 3.Df5+ Kh6 4.Df6+ Tg6 5.Df8+ Kh7 6.Df5 Ta8 7.Le8 Txe8 8.Dd7+ ³ (-0.28) Tiefe: 16/38 00:09:49 175669kN 1.g4 hxg4 2.h5 gxh5 3.Df5+ Kh6 4.Df6+ Tg6 5.Df8+ Kh7 6.Df5 Ta8 7.Le8 Txe8 8.Dd7+ ³ (-0.34) Tiefe: 17/41 00:10:51 198853kN 1.g4 hxg4 2.h5 gxh5 3.Df5+ Kh6 4.Df6+ Tg6 5.Df8+ Kh7 6.Df5 Ta8 7.Le8 Txe8 8.Dd7+ = (0.00) Tiefe: 18/45 00:38:57 656780kN 1.g4 hxg4 2.h5 gxh5 3.Df5+ Kh6 4.Df6+ Tg6 5.Df8+ Kh7 6.Df5 Ta8 7.Le8 Txe8 8.Dd7+ = (0.00) Tiefe: 19/43 00:53:25 867460kN
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.