Sergio Alonso Castillo

* 1973 (52)

Birthday: 1973

Play Blitz games against others

Solve tactical positions of your strength

Play against a club level chess program with hints

Watch hours and hours of training videos

Live games from grandmaster tournaments

Develop and exercise your openings

Ten million strong games

Store and analyse your own games in the cloud

Gain access to powerfull cloud engines

The player database with 570.000 players

9.000 studies with analyses

Buy training products