Dev Builds » 20191123-2323

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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 1fdf1f1ff5800bd8b1b1c33fc281b9731d40583d
Author SFisGOD
Date 2019-11-23 23:23:06 UTC
Simplify endgame factor for opposite colored bishops Stockfish is continually improving. Patches that gain elo in the past may no longer be needed as stockfish improved elsewhere. This patch removes passed pawns count dependence in opposite colored bishops scale factor. We used the mean of passed count pawns (~1.4) to compensate, and changed the base value from 16 to 22. Passed STC: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 57879 W: 12657 L: 12607 D: 32615 Passed LTC: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 121648 W: 19622 L: 19659 D: 82367 Closes Bench: 5067864
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