Last updated : July, 2006.

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Welcome to Tothello's home page

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! Arenít you familiar with how to play reversed othello? Just click here Guideline of reversed othello!.

Are you interested in how Tothello learned to play othello?  You will find many details on its learning procedure in one of the sub-pages. Tothello: learn to play ...

Are you going to practice and learn how to play reversed othello? Read some advice on this topic Reversed othello games... 

Do you intend to write an othello program? See what development technology Tothello used How Tothello thinks ...

See the perfect solution of the 6x6 normal Solving the 6x6 normal and reversed othello Solving the 6x6 reversed games ...

Browse our Web site for more information about the Tothello Home Page. If you have any questions regarding our product, please e-mail us at

Visit also P-Yahtzee web-site.

[Tothello home page] [Reversed othello games] [Guideline of reversed othello] [Solving the 6x6 normal] [Solving the 6x6 reversed] [Tothello: learn to play] [How Tothello thinks] [Some theory] [Difficult game positions] [Download] [Useful links] [Awards, other links]