Dev Builds » 20211217-1712

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

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

Commit ID 3bea736a2a63247d242316bd25d8901b1414d9c0
Author farseer
Date 2021-12-17 17:12:47 UTC
Update default net to nn-4401e826ebcc.nnue Using data T60 12/1/20 to 11/2/2021, T74 4/22/21 to 7/27/21, T75 6/3/21 to 10/16/21, T76 (half of the randomly interleaved dataset due to a mistake merging) 11/10/21 to 11/21/21, wrongIsRight_nodes5000pv2.binpack, and WrongIsRight-Reloaded.binpack combined and shuffled position by position. Trained with LR=4.375e-4 and WDL filtering enabled: python train.py --smart-fen-skipping --random-fen-skipping 0 --features=HalfKAv2_hm^ --lambda=1.0 --max_epochs=800 --seed 910688689 --batch-size 16384 --progress_bar_refresh_rate 30 --threads 4 --num-workers 4 --gpus 1 --resume-from-model C:\msys64\home\Mike\nnue-pytorch\9b3d.pt E:\trainingdata\T60-T74-T75-T76-WiR-WiRR-PbyP.binpack E:\trainingdata\T60-T74-T75-T76-WiR-WiRR-PbyP.binpack Passed STC LLR: 2.94 (-2.94,2.94) <0.00,2.50> Total: 41848 W: 10962 L: 10676 D: 20210 Elo +2.16 Ptnml(0-2): 142, 4699, 11016, 4865, 202 https://tests.stockfishchess.org/tests/view/61ba886857a0d0f327c2cfd6 Passed LTC LLR: 2.94 (-2.94,2.94) <0.50,3.00> Total: 27776 W: 7208 L: 6953 D: 13615 Elo + 3.00 Ptnml(0-2): 14, 2808, 8007, 3027, 32 https://tests.stockfishchess.org/tests/view/61baae4d57a0d0f327c2d96f closes https://github.com/official-stockfish/Stockfish/pull/3856 Bench: 4667591
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