Dev Builds » 20230227-0728

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 ff5a6f8df196d61a0d9b1ebe54d84eeb9af20079
Author Stefan Geschwentner
Date 2023-02-27 07:28:45 UTC
NNUE accumulator update in probcut. Call the recently added hint function for NNUE accumulator update after a failed probcut search. In this case we already searched at least some captures and tt move which, however, is not sufficient for a cutoff. So it seems we have a greater chance that the full search will also have no cutoff and hence all moves have to be searched. STC: https://tests.stockfishchess.org/tests/view/63fa74a4e74a12625bce1823 LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 70096 W: 18770 L: 18423 D: 32903 Ptnml(0-2): 191, 7342, 19654, 7651, 210 To be sure that we have no heavy interaction retest on top of #4410. Rebased STC: https://tests.stockfishchess.org/tests/view/63fb2f62e74a12625bce3b03 LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 137688 W: 36790 L: 36349 D: 64549 Ptnml(0-2): 397, 14373, 38919, 14702, 453 closes https://github.com/official-stockfish/Stockfish/pull/4411 No functional change
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