// Evaluation functions
- KK, // K vs K
- KBK, // KB vs K
- KNK, // KN vs K
KNNK, // KNN vs K
KXK, // Generic "mate lone king" eval
KBNK, // KBN vs K
KBPsK, // KB+pawns vs K
KQKRPs, // KQ vs KR+pawns
KRPKR, // KRP vs KR
+ KRPKB, // KRP vs KB
KRPPKRP, // KRPP vs KRP
KPsK, // King and pawns vs king
KBPKB, // KBP vs KB