A reversi (othello) game with AI

This is a program that uses alpha beta search to play reversi, at its highest level it searches 6 moves during the game plus playing the last 12 moves perfectly, so it plays at a really good level and it is hard to beat for most people, the game also includes a setup mode that lets you setup any position to play, and you can ask the computer to make a move suggstion for you, the code is well commented, so please vote or comment if you liked the code.