Author: Uri Blass
Date: 03:51:30 04/22/01
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On April 22, 2001 at 06:05:26, Jorge Pichard wrote: >On April 22, 2001 at 04:37:58, Uri Blass wrote: > >>These results is from the nunn match(both programs used 64 mbytes hash and most >>of the tablebases) >> >>Tiger14(depth 3)-Deep Fritz(depth 3) 16.5-3.5 >>Tiger14(depth 4)-Deep Fritz(depth 4) 7.5-12.5 >>Tiger14(depth 5)-Deep Fritz(depth 5) 13-7 >>Tiger14(depth 6)-Deep Fritz(depth 6) 14-6 >>Tiger14(depth 7)-Deep Fritz(depth 7) 13.5-6.5 >>Tiger14(depth 8)-Deep Fritz(depth 8) 10.5-9.5 >>Tiger14(depth 9)-Deep Fritz(depth 9) 14-6 >>Tiger14(depth 10)-Deep Fritz(depth 10) 9.5-10.5 >> >>Tiger14(depth 4)-Deep Fritz(depth 3) 17.5-2.5 >>Tiger14(depth 5)-Deep Fritz(depth 4) 19-1 >>Tiger14(depth 6)-Deep Fritz(depth 5) 18-2 >> >>Tiger14(depth 3)-Deep Fritz(depth 4) 6-14 >> >>Tiger14(depth 4)-Deep Fritz(depth 5) 8-12(this result should be 12.5-7.5 but >>deep fritz failed to mate because of having only part of the tablebases and the >>engines agreed to a draw in a position that the evaluation was mate against >>tiger). >> >>Tiger14(depth 5)-Deep Fritz(depth 6) 7-13 >> >>We need more games to get rating for programs at fixed depth. >>It will be interesting to get a nunn rating listfor chess programs at fixed >>depth in order to find out if there is diminishing return in the nunn match. >> >>In the game that Deep fritz drew because of not having the right tablebases Deep >>Fritz has a position of king and 2 pawns for king and a bishop. >> >>Deep Fritz had the KPP vs KB and also the KNP vs KB tablebases but had not the >>KQP vs KB tablebases so it promoted the pawn to a knight. >> >>Deep Fritz did not promote the second pawn to a queen or a rook because of not >>having the KQB vs KN or the KRB vs KN tablebases. >> >>Uri > >Why don't you play three games both at depth 21 and post the games, here at the >CCC. I am just curious to see Deep Fritz analysis at that depth. > >Pichard. I believe that a game at depth 21 may take many years. There are positions when 24 hours are enough only for depth 17 and assuming branching factor of 3 you need 81 days for depth 21. Uri
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