Dev Builds » 20260726-1049

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	ee72cf49fe161aeb3be8e191eca7293f338cdfc9
Author	mstembera
Date	2026-07-26 10:49:10 UTC
Optimize RankAttacks STC: https://tests.stockfishchess.org/tests/view/6a5c1f185529b8472df816fd LLR: 3.01 (-2.94,2.94) <0.00,2.00> Total: 212800 W: 55208 L: 54665 D: 102927 Ptnml(0-2): 466, 22131, 60704, 22592, 507 Reduce the size of RankAttacks by 4x and generate it at compile time. Inspired by some @anematode comments about pdep/pext. closes https://github.com/official-stockfish/Stockfish/pull/6998 No functional change