Dev Builds » 20260810-1310

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.

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 5062aee519a1ba262d472d8ab139851ced56573e
Author Adarsh Das
Date 2026-08-10 13:10:12 UTC
Place continuation history on large pages. Requires THP madvise or always. With THP never, MADV_HUGEPAGE is ignored and there is no benefit. ``` Result of 50 runs (nps) ================== speedup = +0.0176 paired t-test = t = 2.320, p = 0.0245 Result of 200 runs (nps) ================== speedup = +0.0104 paired t-test = t = 3.415, p = 0.0008 ``` STC passed: LLR: 3.42 (-2.94,2.94) <0.00,2.00> Total: 231360 W: 60152 L: 59553 D: 111655 https://tests.stockfishchess.org/tests/view/6a736a122cf557d58a2e1f51 Edit: Removed wrong test details Edit2: Added result for 200 runs closes https://github.com/official-stockfish/Stockfish/pull/7041 No functional change
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