Author: Kurt Utzinger
Date: 22:56:08 09/22/03
Go up one level in this thread
On September 23, 2003 at 01:43:02, Kurt Utzinger wrote: >On September 22, 2003 at 13:35:56, Pete Waring wrote: > >I was comparing the results from a few engines for analysis purposes (trying to >decide what engines I like to help with blunder checking), and got some strange >answers for the following position: > >[D]r1bqr1k1/p4p1p/2p1n1p1/3p4/1B3Q2/P2B4/5PPP/2R3K1 w - - 0 1 > >Some engines, such as Fritz 6, Ruffian 1.0.1, and Little Goliath 3.6, show the >position as being equalized after Qf3, while others, like Shredder 6.02, Crafty >19.03 and Yace Paderborn show black as clearly winning after Qf3. Two examples: > >Analysis by Fritz 6: > >1. = (0.00): 29.Qf3 >2. -+ (-6.31): 29.Qe5 c5 30.Bc3 Nd4 31.Qg3 Nf5 32.Qf4 c4 33.Bxf5 Bxf5 >3. -+ (-6.34): 29.Qd2 a5 30.Bc3 d4 31.Bb2 c5 32.Bc4 Rb8 33.Re1 Qf6 >4. -+ (-6.50): 29.Qe3 a5 30.Bd2 c5 31.Qg3 Ba6 32.Bxa6 Rxa6 33.Qg4 Qd6 Strange indeed. My Fritz6c never shows 29.Qf3 with an evaluation of 0.00 Utzinger,K - Fritz 6 r1bqr1k1/p4p1p/2p1n1p1/3p4/1B3Q2/P2B4/5PPP/2R3K1 w - - 0 1 Analysis by Fritz 6: 1.Dg3 Sd4 2.Ld6 Df6 -+ (-5.75) Tiefe: 4/9 00:00:00 1kN 1.Dg3 Sd4 2.Ld6 Df6 -+ (-5.75) Tiefe: 4/9 00:00:00 1kN 1.Dg3 Sd4 2.Ld6 Df6 -+ (-5.75) Tiefe: 4/9 00:00:00 1kN 1.Dg3 Sd4 2.Ld6 Df6 -+ (-5.75) Tiefe: 4/9 00:00:00 1kN 1.Dg3 Sd4 2.Ld6 Df6 -+ (-5.75) Tiefe: 4/9 00:00:00 1kN 1.Dg3 Sd4 2.Ld6 Df6 -+ (-5.75) Tiefe: 4/9 00:00:00 1kN 1.Dg3 Sd4 2.Ld6 Df6 -+ (-5.75) Tiefe: 4/9 00:00:00 1kN 1.Dg3 Sd4 2.Ld6 Df6 -+ (-5.75) Tiefe: 4/9 00:00:00 1kN 1.Dg3 Sd4 2.Ld6 Df6 -+ (-5.75) Tiefe: 4/9 00:00:00 1kN 1.Dg3 Sd4 2.Df4 Te4 3.Dg3 -+ (-5.69) Tiefe: 5/12 00:00:00 7kN 1.Dg3-- -+ (-6.00) Tiefe: 6/14 00:00:00 31kN 1.Dg3-- -+ (-6.00) Tiefe: 6/14 00:00:00 31kN 1.Df3! -+ (-5.97) Tiefe: 6/14 00:00:00 36kN 1.Df3! a5 2.Lc3 Dg5 3.Te1 c5 -+ (-5.87) Tiefe: 6/14 00:00:00 42kN 1.Df3 c5 2.Lc3 Dg5 3.Tb1 Sf4 4.Lc4 -+ (-6.03) Tiefe: 7/18 00:00:00 88kN 1.Df3 c5 2.Lc3 Dg5 3.Tb1 Sf4 4.Lc4 Dxg2+ 5.Dxg2 Sxg2 -+ (-6.12) Tiefe: 8/19 00:00:00 185kN 1.Df3 c5 2.Lc3 Dg5 3.Te1 Tb8 4.Lf6 Dd2 5.Td1 -+ (-6.22) Tiefe: 9/20 00:00:00 467kN 1.Dh6! -+ (-6.19) Tiefe: 9/20 00:00:00 662kN 1.Dh6! Dc7 2.De3 Ld7 3.Ld2 Dd6 4.La6 c5 5.Dd3 -+ (-6.16) Tiefe: 9/20 00:00:01 907kN 1.Dd2! -+ (-6.12) Tiefe: 9/20 00:00:01 980kN 1.Dd2 a5 2.Lc3 d4 3.Lb2 c5 4.Te1 Df6 5.Lc1 Lb7 -+ (-6.28) Tiefe: 10/20 00:00:01 1356kN 1.Df3! -+ (-6.25) Tiefe: 10/22 00:00:02 1860kN 1.Df3-- -+ (-6.56) Tiefe: 11/21 00:00:03 3310kN 1.Df3-- -+ (-6.56) Tiefe: 11/28 00:00:04 3984kN 1.Dd2! -+ (-6.53) Tiefe: 11/28 00:00:04 4348kN 1.Dd2! a5 2.Lc3 d4 3.La1 c5 4.Lc4 De7 5.Te1 Df6 -+ (-6.25) Tiefe: 11/28 00:00:05 5488kN 1.De5! -+ (-6.22) Tiefe: 11/28 00:00:07 6945kN 1.De5 c5 2.Lc3 Sd4 3.Df4 Se2+ 4.Lxe2 Txe2 5.Df3 Dg5 -+ (-6.28) Tiefe: 12/25 00:00:09 9127kN 1.De5 c5 2.Lc3 Sd4 3.Dg3 Sf5 4.Df4 c4 5.Lxf5 Lxf5 -+ (-6.34) Tiefe: 13/27 00:00:19 19216kN 1.Dd2! -+ (-6.31) Tiefe: 13/32 00:00:32 31510kN 1.Dd2 a5 2.Lc3 d4 3.Lb2 c5 4.Te1 La6 5.Le4 Tc8 -+ (-6.59) Tiefe: 14/30 00:00:59 58506kN 1.De5! -+ (-6.56) Tiefe: 14/30 00:01:09 67373kN 1.De5! c5 2.Lc3 Sd4 3.Dg3 Se2+ 4.Lxe2 Txe2 5.Dd3 Ta2 -+ (-6.41) Tiefe: 14/31 00:01:40 97380kN (Utzinger, MyTown 23.09.2003)
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