Dev Builds » 20140421-0547

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 0e8ad40ef0303c5c3bc13ff0ddcaa488f91b73fc
Author Stefan Geschwentner
Date 2014-04-21 05:47:50 UTC
Raise penalty blocked enemy pawn on 6th rank Idea from Lyudmil Tsvetkov. The value seems to be raised a bit abruptly, but as Gary said, a blocked pawn on the sixth rank has been instrumental in limiting king mobility in multiple losses that I've seen from SF. A blocked pawn on fifth rank is much less serious on the king safety impact. Passed both STC LLR: 2.97 (-2.94,2.94) [-1.50,4.50] Total: 14551 W: 2750 L: 2607 D: 9194 and LTC LLR: 2.96 (-2.94,2.94) [0.00,6.00] Total: 43595 W: 6917 L: 6618 D: 30060 And even a retest at 60" fixed games 40K ELO: 1.79 +-1.9 (95%) LOS: 97.0% Total: 39889 W: 6018 L: 5813 D: 28058 bench: 7154916
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