Dev Builds » 20210406-0707

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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 f40913f7f699d9d875e44929608b45947421ad03
Author Stéphane Nicolet
Date 2021-04-06 07:07:20 UTC
Keep more pawns This patch increases the weight of pawns in the scale factor applied to the output of the NNUE evaluation. This has the effect that Stockfish will try a little bit harder to keep more pawns in position where the engine has the advantage, and exchange more pawns in bad positions. STC: LLR: 2.93 (-2.94,2.94) {-0.20,1.10} Total: 42552 W: 3858 L: 3668 D: 35026 Ptnml(0-2): 152, 2956, 14876, 3134, 158 LTC: LLR: 2.95 (-2.94,2.94) {0.20,0.90} Total: 44328 W: 1703 L: 1531 D: 41094 Ptnml(0-2): 20, 1373, 19207, 1543, 21 Closes Bench: 4310076
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