Dev Builds » 20210603-1425

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 d53071eff4e75bc77dc86f65c52358d8014cb71c
Author Joost VandeVondele
Date 2021-06-03 14:25:44 UTC
Update default net to nn-7e66505906a6.nnue Trained with pytorch using the master branch and recommended settings, the data used is the previous 64B binpack enhanced with a 2B binpack generated using an opening book of positions for with the static eval is significantly different from d9 search. book : https://drive.google.com/file/d/1rHcKY5rv34kwku6g89OhnE8Bkfq3UWau/view?usp=sharing book generation: https://github.com/vondele/Stockfish/commit/3ce43ab0c4ce09c1fc5bca5ca27a248e67fddd24 binpack : https://drive.google.com/file/d/1rHcKY5rv34kwku6g89OhnE8Bkfq3UWau/view?usp=sharing ------- Data generation command: generate_training_data depth 9 count 31250000 random_multi_pv 2 random_multi_pv_diff 100 random_move_max_ply 8 random_move_count 3 set_recommended_uci_options eval_limit 32000 output_file_name output.binpack book wrongNNUE.epd seed ${RANDOM}${RANDOM} Training command: python train.py ../../all_d9_fishd9_d8_d10_wrong_shuffle.binpack ../../all_d9_fishd9_d8_d10_wrong_shuffle.binpack --gpus 1 --threads 2 --num-workers 2 --batch-size 16384 --progress_bar_refresh_rate 300 --smart-fen-skipping --random-fen-skipping 3 --features=HalfKAv2^ --lambda=1.0 --max_epochs=400 --seed $RANDOM --default_root_dir exp/run_5 ------- passed STC: https://tests.stockfishchess.org/tests/view/60b7c79a457376eb8bcaa104 LLR: 2.94 (-2.94,2.94) <-0.50,2.50> Total: 64592 W: 6254 L: 6028 D: 52310 Ptnml(0-2): 255, 4785, 22020, 4951, 285 passed LTC: https://tests.stockfishchess.org/tests/view/60b85307457376eb8bcaa182 LLR: 2.96 (-2.94,2.94) <0.50,3.50> Total: 45560 W: 1998 L: 1826 D: 41736 Ptnml(0-2): 36, 1604, 19335, 1762, 43 closes https://github.com/official-stockfish/Stockfish/pull/3521 Bench: 4364128
Copyright 2011–2024 Next Chess Move LLC