Dev Builds » 20260710-1818

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	fb1d777250c77532cf9a7d0f11598ed309b49c34
Author	Linmiao Xu
Date	2026-07-10 18:18:25 UTC
Split AVX-VNNI sparse affine accumulation two ways Speedup measured by @anematode ``` Result of 100 runs ================== base (...h.master.exe) = 1504448 +/- 15119 test (./stockfish.exe) = 1519239 +/- 15980 diff = +14791 +/- 4113 speedup = +0.0098 P(speedup > 0) = 1.0000 CPU: Intel Core Ultra 9 285H ``` Passed STC: https://tests.stockfishchess.org/tests/view/6a4dc4c65529b8472df7fd56 LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 48256 W: 12746 L: 12420 D: 23090 Ptnml(0-2): 144, 5310, 12913, 5598, 163 closes https://github.com/official-stockfish/Stockfish/pull/6961 No functional change