Dev Builds » 20260510-0949

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.

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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	a12dc6cc1fdf754fd061780548d57fa89d92f59d
Author	FauziAkram
Date	2026-05-10 09:49:00 UTC
VVLTC parameter's tune Passed 1st VVLTC test with STC-bounds: LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 78172 W: 20207 L: 19894 D: 38071 Ptnml(0-2): 2, 6871, 25032, 7174, 7 https://tests.stockfishchess.org/tests/view/69fa262f3a3c3e525bb2b5e7 Passed 2nd VVLTC test with LTC-bounds: LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 44360 W: 11624 L: 11322 D: 21414 Ptnml(0-2): 0, 3931, 14022, 4221, 6 https://tests.stockfishchess.org/tests/view/69f8b30d3a3c3e525bb2b3d9 STC estimate test: Elo: -1.50 ± 1.5 (95%) LOS: 2.3% Total: 55742 W: 14169 L: 14409 D: 27164 Ptnml(0-2): 143, 6697, 14452, 6415, 164 nElo: -2.95 ± 2.9 (95%) PairsRatio: 0.96 https://tests.stockfishchess.org/tests/view/69fef06c9392f0c317213dca closes https://github.com/official-stockfish/Stockfish/pull/6807 Bench: 2619968