Dev Builds » 20160924-1756

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 351844061eddffac59e7a3c2d16af7ea9661bb3e
Author joergoster
Date 2016-09-24 17:56:02 UTC
Allowing singular extension in mate positions Drop useless condition abs(ttValue) < VALUE_KNOWN_WIN And extend singular extension search to cases when ttValue stores a mate score. This improves mate finding and does not introduce any regression. Yery tested this patch against current master on the 6500+ Chest mate suite with 200K fixed nodes: shortest mates found: master: 1206 patch:1205 any mate found: master: 1903 patch: 2003 with 1 sec time: shortest mates found: master: 2667 patch: 2628 any mate found: master: 3585 patch: 3646 Verified for no regression: STC LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 25655 W: 4578 L: 4465 D: 16612 LTC LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 66247 W: 8618 L: 8557 D: 49072 bench: 6335042
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