Dev Builds » 20180727-1323

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NCM plays each Stockfish dev build 20,000 times against Stockfish 14. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.


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

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


Commit ID e12fc10b5cf4ac1518a18a54c4e368ef2dc55bfc
Author Stéphane Nicolet
Date 2018-07-27 13:23:57 UTC
Remove a popcount for HinderPassedPawn Remove a popcount for HinderPassedPawn, and compensate by doubling the bonus from S(4,0) to to S(8,0). Maybe it was pure luck, but we got the idea of this Elo gaining patch by seing the simplification attempt by Mike Whiteley in pull request #1703. This suggests that whenever we have a passed evaluation simplification, we should consider the possibility that the master bonus has become slightly out of tune with time, and we should try a few Elo gaining [0..4] tests by hand-tuning the master bonus. STC: LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 19136 W: 4388 L: 4147 D: 10601 LTC: LLR: 2.96 (-2.94,2.94) [0.00,4.00] Total: 99382 W: 17324 L: 16843 D: 65215 Closes Bench: 4688817
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