Tothello Description:

This program is an implementation of the well-known othello or reversi board game. For the time being Tothello is the best program in the world playing reversed othello (anti reversi) on 8x8, 7x7, 6x6, 5x5 and 4x4 boards. Enjoy the art of the reversed games with this ultimate player!.

Tothello was first in the world to calculate the perfect outcome of the reversed 6x6 reversed reversi game (see Solving the 6x6 reversed).

Enjoy playing on 4x4, 5x5, 6x6, 7x7 and 8x8 boards!