Author: Uri Blass
Date: 15:58:25 07/23/01
Go up one level in this thread
On July 23, 2001 at 18:33:22, Joshua Lee wrote: >On July 22, 2001 at 15:32:08, Uri Blass wrote: > >>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 > >[D] 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 > >You're right about the log files however the only log files i can find are for >the 1997 match. This is the interesting match because the interesting comparison is between the commercial programs and Deeper blue of 1997 Uri
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