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	a3a8372b1b5841fb1d1a66fe8f3cb492b0c4f3dc
Author	anematode
Date	2026-08-19 16:34:50 UTC
More nnue_accumulator.cpp cleanup in the spirit of ces42's recent work, this unifies the vector/RVV/scalar paths into something that's much more readable at a glance, while staying efficient. My hope is that we can try more fancy update strategies without bloating the code passed STC: LLR: 2.97 (-2.94,2.94) <-1.75,0.25> Total: 247872 W: 64122 L: 64131 D: 119619 Ptnml(0-2): 518, 26189, 70571, 26100, 558 https://tests.stockfishchess.org/tests/view/6a6fa54e2cf557d58a2e18ba closes https://github.com/official-stockfish/Stockfish/pull/7050 No functional change