Dev Builds » 20221030-1519

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 d09653df0d1bfec0af05ab2e8975e0d8e5cccba8
Author kurt22i
Date 2022-10-30 15:19:09 UTC
Adjust reduction less at medium depths This patch dampens the reduction increase/decrease from statScore at mid-range depths. Inspired by patterns noticed in this tune: https://tests.stockfishchess.org/tests/view/635188930e5f47a8d0ffe8f5 Passed STC: https://tests.stockfishchess.org/tests/view/63599dfd6b27ef94d9ec04af LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 87464 W: 23519 L: 23134 D: 40811 Ptnml(0-2): 319, 9599, 23524, 9958, 332 Passed LTC: https://tests.stockfishchess.org/tests/view/635a73046b27ef94d9ec2313 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 154792 W: 41746 L: 41214 D: 71832 Ptnml(0-2): 79, 15181, 46349, 15703, 84 closes https://github.com/official-stockfish/Stockfish/pull/4213 Bench 4271738
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