Author: Uri Blass
Date: 12:32:08 07/22/01
Go up one level in this thread
On July 22, 2001 at 14:46:06, Joshua Lee wrote: >On July 21, 2001 at 15:10:38, Uri Blass wrote: > >>On July 21, 2001 at 14:49:19, Joshua Lee wrote: >> >>>Were is the evidence to support Deep Fritz Being Stronger Than Deep Blue or >>>Deeper Blue? >> >>The evidence is the logfiles of deeper blue. >>A lot of top programs have no problem to see Qe3 in game 2 of the second match >>against kasparov when Deeper blue could not expect this move. >> >>I compared times of Deep Fritz with times of Deeper blue based on the logfile in >>order to see the same beginning of the main line in some cases and I found that >>deeper blue was only slightly faster than Deep Fritz and it means that Deep >>Fritz on better hardware could be faster than Deeper blue. >> >> >>> >>>I would agree if Deep Fritz finds a move that prevents Bxh7+ , which wins for >>>white, then we can talk about Deep Fritz being better. >> >>I remember that Deeper blue did not see that Bxh7+ wins so I do not see the >>point of this problem. >> >>Uri > >The point is is that Deep Blue could prevent this by not allowing it i think the >19th move is a mistake GM seirawan gives it as questionable or dubious ?! > >However i was looking for the sac on move 20 not move 22 where he gives it so 19 >....Nge7? is a mistake possibly even losing > > >SO if Deep Fritz picks something better than this THEN and only Then will DF or >any other program would be better than Deep Blue >Because it wouldn't fall for the trap that Deep made possible. One position proves nothing and it is better to investigate the Deeb blue logfiles but for the record Deep Fritz prefers Be7. New position 2rr2k1/pp1q1ppp/2n1p1n1/3p4/1bPP3P/1P2RNP1/PB3P2/1BRQ2K1 b - h3 0 1 Analysis by Deep Fritz: 1...dxc4! ³ (-0.63) Depth: 1/5 00:00:00 1...dxc4! 2.Bxg6 µ (-0.78) Depth: 1/5 00:00:00 1...dxc4 2.Bxg6 hxg6 3.bxc4 µ (-0.78) Depth: 2/6 00:00:00 1...dxc4 2.Bxg6 hxg6 3.bxc4 µ (-0.78) Depth: 3/18 00:00:00 1kN 1...dxc4 2.Bxg6 hxg6 3.bxc4 Qd6 µ (-0.78) Depth: 4/18 00:00:00 3kN 1...dxc4 2.bxc4 Qd6 3.h5 Nge7 4.Be4 ³ (-0.56) Depth: 5/21 00:00:00 27kN 1...dxc4 2.bxc4 Qc7 3.Bxg6 hxg6 4.Ba3 Bxa3 5.Rxa3 Qd6 ³ (-0.47) Depth: 6/22 00:00:00 88kN 1...dxc4 2.bxc4 Qc7 3.Be4 Qd6 4.h5 Nge7 5.Qe2 ³ (-0.38) Depth: 7/25 00:00:00 441kN 1...dxc4 2.bxc4 Nge7 3.Be4 Nf5 4.Bxf5 exf5 5.a3 Bc5 6.Rb1 ³ (-0.34) Depth: 8/30 00:00:02 1448kN 1...dxc4 2.bxc4 Nge7 3.Be4 Nf5 4.Rd3 Nd6 5.Ne5 Qc7 6.Nxc6 = (-0.25) Depth: 9/29 00:00:06 4162kN 1...Be7! ³ (-0.28) Depth: 9/32 00:00:08 5725kN 1...Be7 2.h5 Nf8 3.Qe2 Bf6 4.c5 Qc7 5.Bd3 Nd7 6.Re1 ³ (-0.28) Depth: 10/32 00:00:10 6751kN 1...Be7 2.h5 Nf8 3.h6 gxh6 4.Rd3 Bg5 5.Nxg5 hxg5 6.Qh5 Qe7 7.Re1 ³ (-0.28) Depth: 11/32 00:00:18 12633kN 1...Be7 2.h5 Nf8 3.h6 gxh6 4.cxd5 Qxd5 5.Ne5 Nxe5 6.Rxe5 Rxc1 7.Qxc1 = (-0.16) Depth: 12/36 00:00:33 23538kN 1...Be7 2.h5 Nf8 3.h6 g6 4.Qd2 Bb4 5.Qd1 dxc4 6.bxc4 Qd6 7.Be4 = (-0.19) Depth: 13/37 00:02:21 99146kN (Blass, Tel-aviv 22.07.2001) Uri
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