+std::string score_to_uci(Value v, Value alpha = -VALUE_INFINITE, Value beta = VALUE_INFINITE);
+Move move_from_uci(const Position& pos, std::string& str);
+const std::string move_to_uci(Move m, bool chess960);
+
+inline const std::string to_string(Square s) {
+ char ch[] = { 'a' + file_of(s), '1' + rank_of(s), 0 };
+ return ch;
+}
+