Dev Builds » 20250928-1849

You are viewing an old NCM Stockfish dev build test. You may find the most recent dev build tests using Stockfish 15 as the baseline here.

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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 a47a1c1804f1382c01b206442cf386435b446e99
Author Syine Mineta
Date 2025-09-28 18:49:24 UTC
Penalty to TT move history on MultiCut If a reduced search fails high with the TT move excluded, we know that there are multiple moves that can produce cutoffs. Applying a penalty to the TT move history reduces extensions for TT moves so that it may spend a bit more time exploring other moves. Passed STC: LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 263680 W: 68965 L: 68313 D: 126402 Ptnml(0-2): 855, 31090, 67336, 31666, 893 https://tests.stockfishchess.org/tests/view/68c1f65a59efc3c96b6110e5 Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 61008 W: 15713 L: 15350 D: 29945 Ptnml(0-2): 27, 6428, 17235, 6783, 31 https://tests.stockfishchess.org/tests/view/68c1fc5359efc3c96b611141 Passed non-regression VLTC (60+0.6, Threads=8): LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 50340 W: 13003 L: 12830 D: 24507 Ptnml(0-2): 3, 4570, 15849, 4747, 1 https://tests.stockfishchess.org/tests/view/68c2056559efc3c96b6111c3 closes https://github.com/official-stockfish/Stockfish/pull/6305 Bench: 2342975
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