Dev Builds » 20260819-1634

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 68f7925d5ca0f6806aed5d1a5fe57505d3ed2890
Author Carlos Esparza
Date 2026-08-19 16:34:08 UTC
simplify FullThreats::append_active_indices also requires de-templating shift passed STC: https://tests.stockfishchess.org/tests/view/6a78a8c1a7e815d01b5601c4 LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 67904 W: 17662 L: 17490 D: 32752 Ptnml(0-2): 135, 7037, 19416, 7249, 115 A benchmark also shows no regression: ``` Result of 100 runs (counting nodes/1B cycles) ============================================= base (...tockfish.5062ae) = 275495 +/- 3270 test (...tockfish.978b83) = 275951 +/- 3308 speedup % = +0.16 +/- 0.07 [95% CI; t-test] likelihood(speedup > 0) = 1.0000 CPU: 16 x Intel(R) Core(TM) Ultra 9 185H ``` closes https://github.com/official-stockfish/Stockfish/pull/7047 No functional change
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