}
inline bool Position::advanced_pawn_push(Move m) const {
- return pieces(PAWN) & TheirHalf[sideToMove] & from_sq(m);
+ return type_of(moved_piece(m)) == PAWN
+ && relative_rank(sideToMove, from_sq(m)) > RANK_4;
}
inline Key Position::key() const {
inline bool Position::capture_or_promotion(Move m) const {
assert(is_ok(m));
- return type_of(m) ? type_of(m) != CASTLING : !empty(to_sq(m));
+ return type_of(m) != NORMAL ? type_of(m) != CASTLING : !empty(to_sq(m));
}
inline bool Position::capture(Move m) const {