Dev Builds » 20250426-2038

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	4b58079485dd1f7ee69959ec4e8c9f05502a32e6
Author	Michael Chaly
Date	2025-04-26 20:38:14 UTC
Simplify and cleanup futility pruning for child nodes This patch removes (eval - beta) / 8 addition and adjusts constants accordingly, also moves every calculation into futility_margin function. Passed STC: https://tests.stockfishchess.org/tests/view/6806d00f878abf56f9a0d524 LLR: 2.99 (-2.94,2.94) <-1.75,0.25> Total: 483456 W: 124592 L: 124860 D: 234004 Ptnml(0-2): 1419, 57640, 123927, 57274, 1468 Passed LTC: https://tests.stockfishchess.org/tests/view/680cceb33629b02d74b1554c LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 263868 W: 67076 L: 67104 D: 129688 Ptnml(0-2): 155, 28893, 73846, 28905, 135 closes https://github.com/official-stockfish/Stockfish/pull/6021 bench: 1618439