Author: Robert Hyatt
Date: 18:08:37 08/26/00
Go up one level in this thread
On August 26, 2000 at 11:05:24, walter irvin wrote: >On August 26, 2000 at 09:21:15, Robert Hyatt wrote: > >>On August 26, 2000 at 09:16:50, Uri Blass wrote: >> >>>I tried this position from the game century3-crafty17.11 >>> >>>[D]rnbqk2r/pp1p1ppp/4pn2/4P3/1b1N4/2N5/PPP2PPP/R1BQKB1R b KQkq - 0 1 >>> >>>Crafty17.13 played 6...Qc7 >>> >>>I gave my Crafty17.11 as engine for Hiarcs with 128 Mbyes hash time control of 4 >>>hours/60 moves >>>(I guess that this time control is similiar to 2 hours/60 moves on the alpha) >>> >>>My Crafty17.11 changed its mind in the last second at depth 12 from 6..Qc7(0.15 >>>pawn advantage) to the better move 6...Nd5(0.16 pawns advantage). >>> >>>I am interested to know crafty17.13's opinion. >>>Can crafty17.13 avoid 6...Qc7 at depth 12? >>> >>>Uri >> >> >>It avoids it by depth=10. The problem was that the mode we were using forced it >>to play Qc7 as it was a book move. Somehow we followed a very rarely played >>line, but until I get the log files from Graham I can't tell exactly why. I >>did notice a pretty significant CAP score that might have pulled it down that >>line erroneously... > >what was the speed relitive x86 for the alpha you used .would it have been >faster if you could have gotten similar hardware that deep junior had at >dortmund ??what nps was you seeing on the alpha . We were doing about 400K nps. My quad xeon does about 1M, for reference. Speed wasn't the issue here however, it was simply following a bad book line until it was too late...
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