Use the mouse to move the pieces for both sides. The Move List will record your moves, up to a maximum of 12 moves. If you attempt an illegal move, the piece will return to its original position.The Hint button will show you the solution, one move at a time. (If you move pieces manually, the Hint button will become disabled.) The Back button will take back moves. You may also back up moves by clicking on a move in the Move List.The Solution button will show you the problem’s complete solution — remember that many chess problems will have multiple correct solutions.By default, a pawn will be promoted to a Queen. Use the Pawn Promotion list to select a different piece.The date box at the bottom can be used to select a problem from the past seven days.Visit some of the Chess web sites to learn more about chess.