Chess - tactics and strategy

Chess training program for the different levels (beginner - advanced). Ideal for improving your chess skills.
Main features.
1. Thousands of chess tactics exercises for all the levels. Informative statistics (track your progress). Analyze chess problems and replay them with computer.
2. Online tactics server! Compare your level with other users, track your progress.
3. Read chess books, chess articles.
4. Study annotated games of the famous players.
5. Study chess endings.
6. Study chess openings with the open book explorer.
7. Play with computer on the different levels.
8. Computer analyze. From 1 to 5 analyze lines.