Author: blass uri
Date: 12:11:00 06/09/00
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On June 09, 2000 at 13:59:44, blass uri wrote: >On June 09, 2000 at 12:11:16, Ernst A. Heinz wrote: > >>>[D]8/8/Pk5K/2p5/2P1pp2/8/5P1P/8 w - - 0 1 >>> >>>Programs cannot see at evaluation time that black is winning because of >>>unstoppable pawn. >>> >>>If I give them to analyze at 1 ply depth they give a big advantage for white. >> >>What do you mean by "big advantage"? >> >>"DarkThought WCCC'99" knows about White's unstoppable passed Pawn >>on h2 and it also knows about the potential breakthrough of the >>two Black Pawns on e4 and f4. Both somehow cancel each other out >>in the static evaluation such that the overall score is just the >>+1 material advantage of White. >> >>=Ernst= > >Some other programs gave more than +2 for white and in one of the cases(I think >it was hiarcs7.32) they gave even about +7 pawns at 1 ply depth. > >Uri Here are some scores of chess programs at depth 1 chessmaster6000(7.21) Hiarcs7.32(7.18) Fritz5.32(6.16) Genius3 depth 1 with selective search=0(5.39) Rebel century1.2a(4.36 and the score at depth 2 is even 7.76 and only at depth 3 becomes negative) Junior5.9 (3.41) Crafty17.10(2.97) CometB20(2.80) CometB11(2.20) Junior4.6 (1.78) Exchess2.51(0.79) No program can see that white is losing at evlauation time or even at depth 1 Uri
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