Author: Joshua Lee
Date: 18:50:03 08/26/01
Go up one level in this thread
>I guess that you did not analyze Deeper blue logfiles. >I did some analysis of them and my impression based on the analysis that I did >is that Deeper blue is only 2 or 3 times faster than Deep Fritz on P800. > >The idea was to compare the times that Deeper blue got it's main line and the >time that the top programs get the same beginning of the main line when you give >the top programs some hours. > >In most cases it is impossible because we do not have similiar main lines but >there are some cases when there are similiar main lines. > >I did not anlayze most of the positions from kasparov-deeper blue match so I am >practically sure that you can find more cases of similiar main lines and the >question is if other programs are faster or slower in finding the similiar main >lines. > >pavel told me here that he is interested to help. > >If other people are interested to help in this task then they can send me an >email and I am going to tell them positions to analyze with top programs. > >Uri I am glad to help if i can Uri , for the past couple of months i have been running test sets , i would've been done faster except for a disk failure but i restarted and have 1000 In one file and Bewteen 500-600 in another as well as Test your positional Play so within a month i will be ready to help. I do want to mention a position in particular from the 97 match with comments from GM Gabriel Schwartzman this was in the Summer Issue in 1997 of Chess Life Game 5 Kasparov - Deep Blue Note to Blacks 11th Move 11...h5 Kasparov's surprise at this move was not hidden. Not only is it a very good move, but it is one that a computer would have a hard time making , since it depends on pure understanding of the position. As a matter of fact, Kasparov tried to see if Fritz or Hiarcs would choose such a move, even if left for hours, and they didn't! Once again the Deep Blue team has proven their computer shows some signs of intelligence. Kasparov,G - Deeper Blue r2qk2r/pp3ppp/2p1pn2/4n3/1b6/3P2PP/PPPN1PB1/R1BQK2R b KQkq - 0 1 Analysis by Fritz 6: 11...Bxd2+ 12.Bxd2 = (0.06) Depth: 1/3 00:00:00 11...0-0! = (-0.03) Depth: 1/7 00:00:00 11...0-0! ³ (-0.69) Depth: 1/7 00:00:00 11...0-0 12.0-0 ³ (-0.47) Depth: 2/5 00:00:00 11...0-0 12.Qe2 Qd6 ³ (-0.50) Depth: 3/10 00:00:00 11...0-0 12.Qe2 Qd6 13.0-0 ³ (-0.41) Depth: 4/10 00:00:00 1kN 11...0-0 12.Qe2 Qd6 13.f4 Ng6 ³ (-0.44) Depth: 5/13 00:00:00 4kN 11...0-0 12.Qe2 Qd6 13.f4 Ng6 14.c3 ³ (-0.31) Depth: 6/16 00:00:00 22kN 11...0-0 12.Qe2 Qd6 13.0-0 Bc5 14.Re1 Bd4 = (-0.25) Depth: 7/19 00:00:00 49kN 11...0-0 12.Qe2 Qd6 13.0-0 Rfd8 14.Re1 Ng6 = (-0.16) Depth: 8/20 00:00:00 179kN 11...0-0 12.Qe2 Qc7 13.0-0 Rfd8 14.Re1 Ng6 15.a3 Bc5 = (-0.09) Depth: 9/21 00:00:02 622kN 11...0-0 12.0-0 Bd6 13.d4 Ng6 14.Re1 = (0.00) Depth: 10/25 00:00:06 2245kN 11...0-0 12.0-0 Bd6 13.d4 Ng6 14.Nc4 Be7 15.Bg5 h6 16.Bxf6 = (0.00) Depth: 11/27 00:00:13 4740kN 11...0-0 12.0-0 Bd6 13.d4 Ng6 14.Nc4 Be7 15.Be3 Qd7 16.Qe2 = (0.09) Depth: 12/27 00:00:32 11054kN 11...0-0 12.0-0 Bd6 13.d4 Ng6 14.Nc4 Re8 15.Be3 Nd5 16.Qf3 = (0.09) Depth: 13/31 00:01:20 28859kN 11...Ng6! = (0.06) Depth: 13/33 00:01:29 32053kN 11...Ng6 12.Qe2 0-0 13.0-0 Qd7 14.Ne4 Nxe4 15.dxe4 Rfd8 16.c3 = (0.09) Depth: 14/34 00:02:12 47451kN 11...Ng6 12.Qe2 0-0 13.0-0 Qd7 14.Ne4 Nxe4 15.dxe4 Qe7 16.c3 = (0.12) Depth: 15/39 00:03:38 79481kN 11...0-0! = (0.09) Depth: 15/39 00:04:18 94481kN 11...0-0 12.0-0 Ng6 13.Qe2 Qd7 14.Ne4 Nxe4 15.dxe4 Rfd8 16.a3 = (0.09) Depth: 16/36 00:06:54 152335kN 11...0-0 12.0-0 Ng6 13.Qe2 Qd7 14.Rd1 Bc5 15.d4 Be7 16.Nc4 = (0.09) Depth: 17/36 00:11:56 270993kN Fritz may find this next ply i will let you know i am sure that it has been found at around 15minutes with one of the fritz versions.
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