diff -r 28392c9a969f -r 2eb229411d73 Source/CheckersGame.h
--- a/Source/CheckersGame.h	Mon Jul 14 21:00:15 2008 -0700
+++ b/Source/CheckersGame.h	Mon Jul 21 17:32:21 2008 -0700
@@ -21,7 +21,7 @@
     THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 #import "Game+Protected.h"
-@class Grid;
+@class Grid, GridCell;
 
 
 /** US Checkers, known as Draughts in the UK. (Other countries use similar but not identical rules.)
@@ -31,4 +31,7 @@
     Grid *_board;
 }
 
+//protected
+- (BOOL) canOpponentMoveFrom: (GridCell*)src;
+
 @end