Dev Builds » 20260519-1637

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	b82f5b59f7c1717502b2add6852d11ff89f0e9ba
Author	anematode
Date	2026-05-19 16:37:09 UTC
Port sqr_clipped_relu.h to NEON Passed STC (https://tests.stockfishchess.org/tests/view/69fd70c39392f0c317213b99) LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 315360 W: 80995 L: 80315 D: 154050 Ptnml(0-2): 573, 33687, 88501, 34325, 594 Data from vondele: ``` ==== master ==== 1 Nodes/second : 278894157 2 Nodes/second : 279192601 3 Nodes/second : 278279517 Average (over 3): 278788758 ==== neonnnn ==== 1 Nodes/second : 280614075 2 Nodes/second : 279971502 3 Nodes/second : 280613919 Average (over 3): 280399832 ``` closes https://github.com/official-stockfish/Stockfish/pull/6820 No functional change