bool move_is_check(Move m) const;
bool move_is_check(Move m, Bitboard dcCandidates) const;
bool move_is_capture(Move m) const;
- bool move_is_deep_pawn_push(Move m) const;
- bool move_is_pawn_push_to_7th(Move m) const;
bool move_is_passed_pawn_push(Move m) const;
- bool move_was_passed_pawn_push(Move m) const;
bool move_attacks_square(Move m, Square s) const;
// Information about pawns
void allow_ooo(Color c);
// Helper functions for doing and undoing moves
- void do_capture_move(PieceType capture, Color them, Square to, bool ep);
+ void do_capture_move(Bitboard& key, PieceType capture, Color them, Square to, bool ep);
void do_castle_move(Move m);
void undo_castle_move(Move m);
- void undo_promotion_move(Move m);
- void undo_ep_move(Move m);
void find_checkers();
template<PieceType Piece>
// Piece lists
Square pieceList[2][8][16]; // [color][pieceType][index]
- int index[64];
+ int index[64]; // [square]
// Other info
Square kingSquare[2];
return Phase(((npm - EndgameLimit) * 128) / (MidgameLimit - EndgameLimit));
}
-inline bool Position::move_is_deep_pawn_push(Move m) const {
-
- Color c = side_to_move();
- return piece_on(move_from(m)) == piece_of_color_and_type(c, PAWN)
- && relative_rank(c, move_to(m)) > RANK_4;
-}
-
-inline bool Position::move_is_pawn_push_to_7th(Move m) const {
-
- Color c = side_to_move();
- return piece_on(move_from(m)) == piece_of_color_and_type(c, PAWN)
- && relative_rank(c, move_to(m)) == RANK_7;
-}
-
inline bool Position::move_is_passed_pawn_push(Move m) const {
Color c = side_to_move();
&& pawn_is_passed(c, move_to(m));
}
-inline bool Position::move_was_passed_pawn_push(Move m) const {
-
- Color c = opposite_color(side_to_move());
- return piece_on(move_to(m)) == piece_of_color_and_type(c, PAWN)
- && pawn_is_passed(c, move_to(m));
-}
-
inline int Position::rule_50_counter() const {
return st->rule50;