Dev Builds » 20210628-1931

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 49283d3a6676e114b531d6a8b9e5f69000655912
Author SFisGOD
Date 2021-06-28 19:31:58 UTC
Update default net to nn-3475407dc199.nnue Optimization of eight subnetwork output layers of Michael's nn-190f102a22c3.nnue using SPSA Parameters: A total of 256 net weights and 8 net biases were tuned New best values: The raw values at the end of the tuning run were used (800k games, 5 seconds TC) Settings: default ck value and SPSA A is 30,000 (3.75% of the total number of games) STC: LLR: 2.94 (-2.94,2.94) <-0.50,2.50> Total: 29064 W: 2435 L: 2269 D: 24360 Ptnml(0-2): 72, 1857, 10505, 2029, 69 LTC: LLR: 2.93 (-2.94,2.94) <0.50,3.50> Total: 61848 W: 2055 L: 1884 D: 57909 Ptnml(0-2): 18, 1708, 27310, 1861, 27 closes Bench: 4770936
Copyright 2011–2024 Next Chess Move LLC