Dev Builds » 20181101-1439

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.


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 4a0db9ea3c34d7663a039c40ce810ba9cb743cca
Author SFisGOD
Date 2018-11-01 14:39:19 UTC
Combo Combo of two parameter tweaks and tuned values for Queen and ThreatByKing. STC LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 20180 W: 4439 L: 4198 D: 11543 LTC LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 86312 W: 14106 L: 13685 D: 58521 This combo consists of the following: Queen Value (tuned values) Iter: 72056, A: 5000, alpha 0.602000, gamma 0.101000, clipping old, rounding deterministic param: QueenValueMg, best: 2528.91, start: 2528.00 param: QueenValueEg, best: 2687.12, start: 2698.00 ThreatByKing (tuned values) Green STC (50.8k games) LTC (I stopped this test at 71.2k games. It's likely yellow.) WeakUnopposedPawn (tweak) by xoto ( Green STC (102.8k games) Yellow LTC (90.8k games) aspiTune1 (tweak) by vondele ( Green STC (125.9k games) Yellow LTC (107.9k games) Thank you @31m059 (Mark Tenzer) for helping me! Also, thank you very much for recognizing my efforts. I genuinely appreciate it. Bench: 3556672
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