diff --git a/Qwirkle/QwirkleClassLibrary/IRules.cs b/Qwirkle/QwirkleClassLibrary/IRules.cs
index 4d0456e..75d47a4 100644
--- a/Qwirkle/QwirkleClassLibrary/IRules.cs
+++ b/Qwirkle/QwirkleClassLibrary/IRules.cs
@@ -9,7 +9,11 @@ namespace QwirkleClassLibrary
     public interface IRules
     {
         Board CreateBoard();
-        bool IsMoveCorrect(Tile t, Board b);
+        
+        TileBag CreateTileBag(int nbSet);
+        
+        bool IsMoveCorrect(Tile t, int x, int y, Board b);
+        
         bool IsGameOver();
     }
 }