WHITE_OOO = WHITE_OO << 1,
BLACK_OO = WHITE_OO << 2,
BLACK_OOO = WHITE_OO << 3,
+
WHITE_CASTLING = WHITE_OO | WHITE_OOO,
BLACK_CASTLING = BLACK_OO | BLACK_OOO,
- ANY_CASTLING = WHITE_CASTLING | BLACK_CASTLING,
+ ANY_CASTLING = WHITE_CASTLING | BLACK_CASTLING,
+
CASTLING_RIGHT_NB = 16
};