evaluation: add bonus for bishop pair

raklaptudirm / mess

A Messy Chess Engine

https://laptudirm.com/x/mess

Apache License 2.0

18 stars 3 forks source link

Closed raklaptudirm closed 8 months ago

raklaptudirm commented 1 year ago

Static evaluation bonus for the sides which have a bishop pair.

raklaptudirm commented 1 year ago

The first trial of the bishop pair bonus has yielded negative results.

ELO   | -17.15 +- 13.05 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=8MB
LLR   | -1.90 (-2.94, 2.94) [0.00, 5.00]
GAMES | N: 1744 W: 514 L: 600 D: 630