*/
#include <cassert>
-#include <cstring>
#include <string>
#include "movegen.h"
// Disambiguation if we have more then one piece with destination 'to'
// note that for pawns is not needed because starting file is explicit.
attackers = pos.attackers_to(to) & pos.pieces(pt, pos.side_to_move());
- clear_bit(&attackers, from);
+ attackers ^= from;
ambiguousMove = ambiguousFile = ambiguousRank = false;
while (attackers)
}
}
- // The move gives check? We don't use pos.move_gives_check() here
- // because we need to test for a mate after the move is done.
- StateInfo st;
- pos.do_move(m, st);
- if (pos.in_check())
- san += pos.is_mate() ? "#" : "+";
- pos.undo_move(m);
+ if (pos.move_gives_check(m, CheckInfo(pos)))
+ {
+ StateInfo st;
+ pos.do_move(m, st);
+ san += MoveList<MV_LEGAL>(pos).size() ? "+" : "#";
+ pos.undo_move(m);
+ }
return san;
}