Dev Builds » 20200405-0639

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 fbc7a328c67092799547f93e684323e2c1a6226e
Author 31m059
Date 2020-04-05 06:39:00 UTC
Retire candidate passed pawns Before this commit, some pawns were considered "candidate" passed pawns and given half bonus. After this commit, all of these pawns are scored as passed pawns, and they do not receive less bonus. STC: LLR: 2.95 (-2.94,2.94) {-1.50,0.50} Total: 21806 W: 4320 L: 4158 D: 13328 Ptnml(0-2): 367, 2526, 5001, 2596, 413 LTC: LLR: 2.95 (-2.94,2.94) {-1.50,0.50} Total: 12590 W: 1734 L: 1617 D: 9239 Ptnml(0-2): 96, 1187, 3645, 1238, 129 This PR and commit are dedicated to our colleague Stefan Geschwentner (@locutus2), one of the most respected and accomplished members of the Stockfish developer community. Stockfish is a volunteer project and has always thrived because of Stefan's talent, insight, generosity, and dedication. Welcome back, Stefan! closes Bench: 4831963
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