Value value_to_tt(Value v, int ply);
Value value_from_tt(Value v, int ply);
void update_stats(const Position& pos, Stack* ss, Move move, Depth depth, Move* quiets, int quietsCnt);
Value value_to_tt(Value v, int ply);
Value value_from_tt(Value v, int ply);
void update_stats(const Position& pos, Stack* ss, Move move, Depth depth, Move* quiets, int quietsCnt);