diff --git a/Sudoku/SudokuEvent.mch b/Sudoku/SudokuEvent.mch
index 5e840fcaae59ccad4106185a42417ce92fc9cbd3..f4d2c65595200562e6cd652b007b58d729fba933 100644
--- a/Sudoku/SudokuEvent.mch
+++ b/Sudoku/SudokuEvent.mch
@@ -23,7 +23,9 @@ DEFINITIONS
       ANIMATION_IMG8 == "images/sm_8.gif";
       ANIMATION_IMG9 == "images/sm_9.gif";
       ANIMATION_IMG16 == "images/sm_empty_box.gif";
- SET_PREF_MAX_OPERATIONS == 82;
+ SET_PREF_MAX_OPERATIONS == 1;
+ MAX_OPERATIONS_SetCurPos == 82;
+ MAX_OPERATIONS_SetBoard == 10;
 
     /* PUZZLE CONSTRAINTS : */
 PUZZLE == (