Dev Builds » 20190914-0547

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 a83d1a0e800f494d3b4d0aa2ed6db5bdcda50fc3
Author 31m059
Date 2019-09-14 05:47:05 UTC
Use queens of either color in RookOnQueenFile The recently-added RookOnQueenFile evaluation term (36e4a86) provided a bonus for placing our rook on the same file as an enemy queen. Here, we relax a condition in this bonus, broadening its effect to any queen. It is also strategically desirable to place the rook on the same file as a friendly queen, so the restriction on the queen's color is removed. STC: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 66856 W: 14847 L: 14815 D: 37194 http://tests.stockfishchess.org/tests/view/5d7b3c6a0ebc5902d385bcf5 LTC: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 86786 W: 14264 L: 14248 D: 58274 http://tests.stockfishchess.org/tests/view/5d7b4e9b0ebc5902d385c178 Closes https://github.com/official-stockfish/Stockfish/pull/2302 Bench: 3703909
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