Dev Builds » 20191002-1137

Use this dev build

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.

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 e6f4b5f46344d638c5e3b27cdbc966899e80e8d6
Author Moez Jellouli
Date 2019-10-02 11:37:00 UTC
More accurate pawn attack span definition Tweak the pawn attack span for backward pawns and the zone behind opponent opposing pawns. This is important in positional play and one of weaknesses of the engine in recent high level games. STC LLR: -2.95 (-2.94,2.94) [0.50,4.50] Total: 66843 W: 14884 L: 14717 D: 37242 http://tests.stockfishchess.org/tests/view/5d8dcb1b0ebc590f3beb2956 LTC LLR: 2.96 (-2.94,2.94) [0.00,3.50] Total: 77699 W: 12993 L: 12602 D: 52104 http://tests.stockfishchess.org/tests/view/5d8de9bc0ebc590f3beb3d00 See discussion in https://github.com/official-stockfish/Stockfish/pull/2332 Bench: 4012371
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