Dev Builds » 20210615-2008

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 8ec9e108664ce38fa98ccfb69f048d7d804f99f9
Author Joost VandeVondele
Date 2021-06-15 20:08:40 UTC
New default net nn-33c9d39e5eb6.nnue As the previous net, this net is trained on Leela games as provided by borg. See also The particular data set, which is a mix of T60 and T74 data, is now available as a single binpack: The training command was: python ../../training_data_pylon.binpack ../../training_data_pylon.binpack --gpus 1 --threads 2 --num-workers 2 --batch-size 16384 --progress_bar_refresh_rate 300 --smart-fen-skipping --random-fen-skipping 10 --features=HalfKAv2^ --lambda=1.0 --max_epochs=440 --seed $RANDOM --default_root_dir exp/run_2 passed STC: LLR: 2.94 (-2.94,2.94) <-0.50,2.50> Total: 12792 W: 1483 L: 1311 D: 9998 Ptnml(0-2): 62, 989, 4131, 1143, 71 passed LTC: LLR: 2.95 (-2.94,2.94) <0.50,3.50> Total: 11272 W: 601 L: 477 D: 10194 Ptnml(0-2): 9, 421, 4657, 535, 14 also had strong LTC performance against another strong net of the series: closes Bench: 5032320
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