std::cout << std::endl;
if (m != MOVE_NONE)
{
+ Position p(*this);
string col = (color_of_piece_on(move_from(m)) == BLACK ? ".." : "");
- std::cout << "Move is: " << col << move_to_san(*this, m) << std::endl;
+ std::cout << "Move is: " << col << move_to_san(p, m) << std::endl;
}
for (Rank rank = RANK_8; rank >= RANK_1; rank--)
{
/// that the move is a legal move from the position. The return value is
/// a string containing the move in short algebraic notation.
-const string move_to_san(const Position& pos, Move m) {
+const string move_to_san(Position& pos, Move m) {
assert(pos.is_ok());
assert(move_is_ok(m));
// Position::move_is_check doesn't detect all checks (not castling moves,
// promotions and en passant captures).
StateInfo st;
- Position p(pos);
- p.do_move(m, st);
- if (p.is_check())
- san += p.is_mate()? "#" : "+";
+ pos.do_move(m, st);
+ if (pos.is_check())
+ san += pos.is_mate() ? "#" : "+";
+ pos.undo_move(m);
return san;
}
//// Prototypes
////
-extern const std::string move_to_san(const Position& pos, Move m);
+extern const std::string move_to_san(Position& pos, Move m);
extern Move move_from_san(const Position& pos, const std::string& str);
extern const std::string line_to_san(const Position& pos, Move line[], int startColumn, bool breakLines);
extern const std::string pretty_pv(const Position& pos, int time, int depth, uint64_t nodes, Value score, ValueType type, Move pv[]);