Dev Builds » 20210316-1954

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 939395729c78dd43816826ffdb0a61f33a833e9f
Author bmc4
Date 2021-03-16 19:54:52 UTC
Introduce least_significant_square_bb() Introducing least_significant_square_bb(). It is a function that returns a value equal to square_bb(lsb(bb)), but it uses fewer instruction. It should speed up more on older processors like armv7-a Clang. Passed STC: LLR: 2.93 (-2.94,2.94) {-0.25,1.25} Total: 213200 W: 19171 L: 18753 D: 175276 Ptnml(0-2): 680, 14513, 75831, 14861, 715 https://tests.stockfishchess.org/tests/view/604bc7632433018de7a38982 Closes https://github.com/official-stockfish/Stockfish/pull/3391 No functional change
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