Dev Builds » 20260711-1835

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	9a8dd81dd7f98cbf02f16c59b4377d174d6eb4b5
Author	Joost VandeVondele
Date	2026-07-11 18:35:40 UTC
Revert "Scale Null Move Pruning reduction" This reverts commit 9d4090e82685cca447265dcd7093d617cb34a107. causes very poor mate finding performance, ultimately causing a CI hang on a mate in 2 Testcase: position fen k1B5/2p5/NbN5/P7/3p4/P2p4/P1prp3/2RbK3 b - - 0 1 setoption name Hash value 16 setoption name Threads value 4 go mate 2 ucinewgame closes https://github.com/official-stockfish/Stockfish/pull/6966 Bench: 2466447