Dev Builds » 20200823-2127

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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.


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 ID d5f86b63597fdb25b8c670e42ca468c99ca95a74
Author Vizvezdenec
Date 2020-08-23 21:27:03 UTC
Introduce movecount pruning for qsearch() If in quiescence search, we assume that me can prune late moves when: a) the move ordering count of the move is : moveCount > abs(depth) + 2 b) we are not in check c) the late move does not give check d) the late move is not an advanced pawn push Modification of an original idea by @VoyagerOne. STC LLR: 2.96 (-2.94,2.94) {-0.25,1.25} Total: 132848 W: 14999 L: 14661 D: 103188 Ptnml(0-2): 684, 11242, 42309, 11430, 759 LTC LLR: 2.98 (-2.94,2.94) {0.25,1.25} Total: 12008 W: 678 L: 551 D: 10779 Ptnml(0-2): 8, 485, 4899, 596, 16 closes Bench: 3749974
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