Easy....explain to her that it will greatly improve your chess game, allowing you to enter tournaments and eventually
compete and you will buy her that diamond necklace she has been lusting after with your winnings.
If she buys that.....you owe me a Diavel
compete and you will buy her that diamond necklace she has been lusting after with your winnings.
If she buys that.....you owe me a Diavel