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lynx-chess / Lynx

Chess Engine, written in C#
https://lichess.org/@/Lynx_BOT
MIT License
39 stars 3 forks source link

⚖ Doubled pawns bucketed #1019

Closed eduherminio closed 4 days ago

eduherminio commented 4 days ago

Attempted in #760 after its removal in https://github.com/lynx-chess/Lynx/pull/746 More recently, in #1018 without buckets

Score of Lynx-eval-double-pawn-reimpl-2-bucketed-3926-win-x64 vs Lynx 3906 - main: 1812 - 1812 - 2846  [0.500] 6470
...      Lynx-eval-double-pawn-reimpl-2-bucketed-3926-win-x64 playing White: 1337 - 467 - 1432  [0.634] 3236
...      Lynx-eval-double-pawn-reimpl-2-bucketed-3926-win-x64 playing Black: 475 - 1345 - 1414  [0.365] 3234
...      White vs Black: 2682 - 942 - 2846  [0.634] 6470
Elo difference: 0.0 +/- 6.3, LOS: 50.0 %, DrawRatio: 44.0 %
SPRT: llr -0.431 (-14.9%), lbound -2.25, ubound 2.89