Dev Builds » 20260402-1832

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	171afd2b4d53a1beb25e2e1e2045f09ba70ad7ae
Author	Linmiao Xu
Date	2026-04-02 18:32:43 UTC
NEON: simplify updates in NNUE accumulator Reduce # instructions using widening add/sub calls on AArch64. Add shims for 32-bit ARM. Passed non-regression STC: https://tests.stockfishchess.org/tests/view/69c093d3f690a4b7f5fb0d6e LLR: 5.15 (-2.94,2.94) <-1.75,0.25> Total: 338624 W: 86931 L: 86853 D: 164840 Ptnml(0-2): 667, 35888, 96079, 36056, 622 closes https://github.com/official-stockfish/Stockfish/pull/6692 No functional change