Levy Rozman a.k.a. GothamChess has been challenged to explain the game of chess to 5 different people; a novice, an intermediate, a semi-pro, a grandmaster and an AI programmer.

Based on some reviews, I installed tChess Pro for US $7.99. I wasn't disappointed. While you can use the app to let two people play, I was more interested in playing against the computer. tChess ...