Dev Builds » 20180820-1952

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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.


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Commit ID 28543cddc647771658d5521398b725881a839c1c
Author Stefan Geschwentner
Date 2018-08-20 19:52:29 UTC
Store only unchanged static evaluations in TT A recent commit introduced a decrease of the static evaluation of an inner node dependent on the previous stat score, which finally was also stored in the transposition table. Now only the unchanged static evaluation are stored there. Remark: For the case that a static evaluation can be retrieved from the transposition table the value is now used unchanged. Another test which also applies the modification in this case failed: STC: LLR: 2.95 (-2.94,2.94) [0.00,5.00] Total: 6707 W: 1547 L: 1383 D: 3777 LTC: LLR: 2.95 (-2.94,2.94) [0.00,5.00] Total: 36203 W: 6046 L: 5781 D: 24376 Closes Bench: 4457440
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