Dev Builds » 20240530-2054

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.

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 b280d2f06553e8c8d98379fe547f3b995cc56d59
Author Michael Chaly
Date 2024-05-30 20:54:23 UTC
Allow tt cutoffs for shallower depths in certain conditions Current master allows tt cutoffs only when depth from tt is strictly greater than current node depth. This patch also allows them when it's equal and if tt value is lower or equal to beta. Passed STC: https://tests.stockfishchess.org/tests/view/66578e2e6b0e318cefa8d447 LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 26592 W: 6944 L: 6645 D: 13003 Ptnml(0-2): 67, 3039, 6795, 3318, 77 Passed LTC: https://tests.stockfishchess.org/tests/view/6657f46b6b0e318cefa8d7e9 LLR: 2.96 (-2.94,2.94) <0.50,2.50> Total: 142572 W: 36315 L: 35776 D: 70481 Ptnml(0-2): 70, 15666, 39288, 16179, 83 closes https://github.com/official-stockfish/Stockfish/pull/5314 Bench: 1368486
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