Dev Builds » 20121013-0840

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN

Commit

Commit ID 6c8663341eab5c45e57c85a0b1d7f79f52fa1709
Author Marco Costalba
Date 2012-10-13 08:40:38 UTC
Scale contempt factor to zero at endgame Contempt Factor is more effective at opening/middle game and seems harmful at endgame phase. See: http://chessprogramming.wikispaces.com/Contempt+Factor http://web.archive.org/web/20070707023203/www.brucemo.com/compchess/programming/contempt.htm Therefore we scale down the contempt factor while going on with the game so to reach zero at endgame phase. No functional change.
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