Dev Builds » 20260909-1646

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	8f6a95de2fbe0a6fe139a78711a2ee8d58e5b148
Author	mstembera
Date	2026-09-09 16:46:41 UTC
Use a local accumulator to eliminate redundant stores to m.value STC: https://tests.stockfishchess.org/tests/view/6a94a8c708c0f6a39c9e8cad LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 89280 W: 22920 L: 22557 D: 43803 Ptnml(0-2): 120, 9273, 25515, 9588, 144 Expected assembly changes verified by Claude. closes https://github.com/official-stockfish/Stockfish/pull/7115 No functional change