Chess opening theory based on 150.000 grandmaster games (world's strongest chess players).
Selection, classification of games and statistics of results in all openings. Build your opening repertoire!
Over 6.000 tactics exercises devided by subjects and complexity levels.
Interactive chess tactics skill test: Try and find out!
The unique system of training! You can review the chess games of the world's strongest players (ELO 2500 and higher), move by move, and try to guess the next move of the Grandmaster. It's a fun, and competitive way to improve your chess skills.
All World Championships Games from Steinitz - Zuckertort (1886) to Kramnik - Anand (2008) and the Champions' biographies.