Obi-Wan just chuckles at that and watches the Queen swap. When he's offered the cards, he takes them. He's not really familiar with these sorts of cards, but he will make do. He chooses the King and Queen of hearts as his pieces. Then goes about setting up his side as best he can with the arrangement that Wesley had just explained.

"Your move," he then says once they're both set up.

After all, a Jedi never attacks first.