Dev Builds » 20201218-2019

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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

Test Detail

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


Commit ID 1f3b5b8b54fbf9d3b74bcba831466eeb1104b421
Author pb00067
Date 2020-12-18 20:19:46 UTC
Simplify condition for assigning static-eval based bonus for quiet move ordering and simplify bonus formula. Due to clamping the bonus to relative low values the impact on high depths is minimal, thus the restriction to low depths seems not necessary. Also the condition of movecount in previous node seems to be not determinant. Passed STC: LLR: 2.95 (-2.94,2.94) {-1.25,0.25} Total: 14600 W: 1424 L: 1323 D: 11853 Ptnml(0-2): 55, 1033, 5020, 1140, 52 Passed LTC: LLR: 2.95 (-2.94,2.94) {-0.75,0.25} Total: 85008 W: 3218 L: 3206 D: 78584 Ptnml(0-2): 49, 2840, 36700, 2880, 35 closes bench: 4524994
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