Dev Builds » 20170917-0752

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.


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 043a469f83b4c81f94ab991029b4cd49fb05452e
Author St├ęphane Nicolet
Date 2017-09-17 07:52:27 UTC
Score unopposed weak pawns only if majors Do not use the opposed flag for scoring backward and isolated pawns in pawns.cpp, instead give a S(5,25) bonus for each opponent unopposed weak pawns when we have a rook or a queen on the board. STC run stopped after 113188 games: LLR: 1.63 (-2.94,2.94) [0.00,5.00] Total: 113188 W: 20804 L: 20251 D: 72133 LTC: LLR: 2.95 (-2.94,2.94) [0.00,5.00] Total: 66673 W: 8672 L: 8341 D: 49660 This is Alain Savard's idea, just with a different bonus. Original patch there: green STC, yellow LTC, Bench: 6259498
Copyright 2011–2024 Next Chess Move LLC