Update chess.hpp

chess.hpp

@@ -39,6 +39,7 @@ public:
     void Capture(int, int);
     void Move(int, int);
 
+    bool NotEmptyBetween(int, int);
     bool Opponents(int, int);
     bool CanCapture(int, int);
 
@@ -47,6 +48,7 @@ public:
     Color GetColor(int);
     Square GetSquare(int);
     std::vector<Square> GetTable();
+    std::vector<int> PossibleMoves(int);
     bool IsMate();
 
     bool TestIfCheck(Team);