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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

🔍 Aspiration Windows: new formula (SP) #964

Closed eduherminio closed 4 days ago

eduherminio commented 2 weeks ago

Add tuned values

Test  | search/aspiration-window-newformula
Elo   | -1.67 +- 3.92 (95%)
SPRT  | 40.0+0.40s Threads=1 Hash=128MB
LLR   | -1.28 (-2.25, 2.89) [0.00, 3.00]
Games | 12676: +3349 -3410 =5917
Penta | [295, 1520, 2768, 1461, 294]
https://openbench.lynx-chess.com/test/659/

Decrease AspirationWindow_Delta to 13

Test  | search/aspiration-window-newformula
Elo   | -1.83 +- 4.49 (95%)
SPRT  | 40.0+0.40s Threads=1 Hash=128MB
LLR   | -1.04 (-2.25, 2.89) [0.00, 3.00]
Games | 9672: +2579 -2630 =4463
Penta | [230, 1174, 2045, 1191, 196]
https://openbench.lynx-chess.com/test/664/