Othon Sonza

Playchess

Play Blitz games against others

Tactics

Solve tactical positions of your strength

Fritz

Play against a club level chess program with hints

Videos

Watch hours and hours of training videos

Live

Live games from grandmaster tournaments

Openings

Develop and exercise your openings

Database

Ten million strong games

MyGames

Store and analyse your own games in the cloud

Remote Engine

Gain access to powerfull cloud engines

Players

The player database with 570.000 players

Studies

9.000 studies with analyses

Shop

Buy training products