Dev Builds » 20200418-1336

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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

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ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN


Commit ID 221893bf679f70098e6f751fded2fe843471c6be
Author Vizvezdenec
Date 2020-04-18 13:36:41 UTC
Apply multicut pruning more often This patch increases number of nodes where we produce multicut cutoffs. The idea is that if our ttMove failed to produce a singular extension but ttValue is greater than beta we can afford to do one more reduced search near beta excluding ttMove to see if it will produce a fail high - and if it does so produce muticut by analogy to existing logic. passed STC LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 58238 W: 11192 L: 10917 D: 36129 Ptnml(0-2): 1007, 6704, 13442, 6939, 1027 passed LTC LLR: 2.94 (-2.94,2.94) {0.25,1.75} Total: 137852 W: 17460 L: 16899 D: 103493 Ptnml(0-2): 916, 12610, 41383, 13031, 986 closes bench 4881443
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