Dev Builds » 20210906-1208

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 be63ce1bb59d24cce3346be0e41923204ffcca13
Author SFisGOD
Date 2021-09-06 12:08:22 UTC
Update default net to nn-6762d36ad265.nnue SPSA 1: https://tests.stockfishchess.org/tests/view/612cdb1fbb4956d8b78eb5ab Parameters: A total of 256 net biases were tuned (hidden layer 2) Base net: nn-fe433fd8c7f6.nnue New net: nn-5f134823db04.nnue SPSA 2: https://tests.stockfishchess.org/tests/view/612fcde645091e810014af19 Parameters: A total of 64 net biases were tuned (hidden layer 1) Base net: nn-5f134823db04.nnue New net: nn-8eca5dd4e3f7.nnue SPSA 3: https://tests.stockfishchess.org/tests/view/6130822345091e810014af61 Parameters: 256 net weights and 8 net biases (output layer) Base net: nn-8eca5dd4e3f7.nnue New net: nn-4556108e4f00.nnue SPSA 4: https://tests.stockfishchess.org/tests/view/613287652ffb3c36aceb923c Parameters: A total of 256 net biases were tuned (hidden layer 2) Base net: nn-4556108e4f00.nnue New net: nn-6762d36ad265.nnue STC: LLR: 2.96 (-2.94,2.94) <-0.50,2.50> Total: 162776 W: 41220 L: 40807 D: 80749 Ptnml(0-2): 517, 18800, 42359, 19177, 535 https://tests.stockfishchess.org/tests/view/6134107125b9b35584838559 LTC: LLR: 2.95 (-2.94,2.94) <0.50,3.50> Total: 41056 W: 10428 L: 10156 D: 20472 Ptnml(0-2): 30, 4288, 11618, 4564, 28 https://tests.stockfishchess.org/tests/view/6134ad6525b9b3558483857a closes https://github.com/official-stockfish/Stockfish/pull/3691 Bench: 5812158
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