Play the computer at any of ten levels, from total beginner to a real challenge. Start easy and move up a level whenever you start winning.
On your turn, the coach lists your best moves, ranks them and explains why each one works. Make a serious mistake and it stops to show you what you missed, so you can take it back and try again.
A real game against the computer, with a clock and no help. When it's over, a full review grades every move.