Dev Builds » 20190923-0512

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	7e4c3256aab178f303578b4c4a31c59d43421640
Author	protonspring
Date	2019-09-23 05:12:32 UTC
Simplify connected pawn scoring When scoring the connected pawns, replace the intricate ternary expressions choosing the coefficient by a simpler addition of boolean conditions: ` value = Connected * (2 + phalanx - opposed) ` This is the map showing the old coefficients and the new ones: ``` phalanx and unopposed: 3x -> 3x phalanx and opposed: 1.5x -> 2x not phalanx and unopposed: 2x -> 2x not phalanx and opposed: 1x -> 1x ``` STC LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 11354 W: 2579 L: 2437 D: 6338 http://tests.stockfishchess.org/tests/view/5d8151f00ebc5971531d244f LTC LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 41221 W: 7001 L: 6913 D: 27307 http://tests.stockfishchess.org/tests/view/5d818f930ebc5971531d26d6 Bench: 3959889 blah