Check board  

X   X  
X      
  X    
    X  

X X X

Place the three crosses onto the board in such a way that there are the same number of crosses in each row, column and main diagonal.

To place a cross just click on one on the rack and then click where you want the cross to go on the board.
To reset the board just reload the page

Good Luck
PS: There is no save facility on this one, when you close the page all the current entries are lost :-)