Position(const Position& p) { *this = p; }
Position(const Position& p, Thread* t) { *this = p; thisThread = t; }
Position(const std::string& f, bool c960, Thread* t) { from_fen(f, c960, t); }
- void operator=(const Position&);
+ Position& operator=(const Position&);
// Text input/output
void from_fen(const std::string& fen, bool isChess960, Thread* th);