This is a perfect opening manual. It features a theoretical review of all the chess openings, which are illustrated by instructive games of the greatest chess players. This compact opening manual contains a detailed classification, which makes it useful to players of any level - beginners, intermediate and advanced players. Each opening variation is supplied with evaluations and characteristics of key moves. The history of the variations' development is described, as well as their current status. The theoretic material is nicely illustrated by classic games with detailed annotations that demonstrate the principal ideas and plans of each variation for White and Black. There is also a special training section with more than 350 exercises of various difficulty on more than 40 openings. This course is in the series Chess King Learn (https://learn.chessking.com/), which is an unprecedented chess teaching method. In the series are included courses in tactics, strategy, openings, middlegame, and endgame, split by levels from beginners to experienced players, and even professional players. With the help of this course, you can improve your chess knowledge, learn new tactical tricks and combinations, and consolidate the acquired knowledge into practice. The program acts as a coach who gives tasks to solve and helps to solve them if you get stuck. It will give you hints, explanations and show you even striking refutation of the mistakes you might make. The program also contains a theoretical section, which explains the methods of the game in a certain stage of the game, based on actual examples. The theory is presented in an interactive way, which means you can not only read the text of the lessons, but also to make moves on the board and work out unclear moves on the board. Advantages of the program: ♔ High quality examples, all double-checked for correctness ♔ You need to enter all key moves, required by the teacher ♔ Different levels of complexity of the tasks ♔ Various goals, which need to be reached in the problems ♔ The program gives hint if an error is made ♔ For typical mistaken moves, the refutation is shown ♔ You can play out any position of the tasks against the computer ♔ Interactive theoretical lessons ♔ Structured table of contents ♔ The program monitors the change in the rating (ELO) of the player during the learning process ♔ Test mode with flexible settings ♔ Possibility to bookmark favorite exercises ♔ The application is adapted to the bigger screen of a tablet ♔ The application does not require an internet connection ♔ You can link the app to a free Chess King account and solve one course from several devices on Android, iOS and Web at the same time The course includes a free part, in which you can test the program. Lessons offered in the free version are fully functional. They allow you to test the application in real world conditions before releasing the following topics: 1. Rare variations 1.1. 1. g3, 1. b4, .. 1.2. 1. b3 1.3. 1. d4 1.4. 1. d4 Nf6 1.5. 1. d4 Nf6 2. Nf3 2. Alekhine's defense 3. Benoni defense 4. Bird's opening 5. Bishop's opening 6. Blumenfeld counter-gambit 7. Bogo-Indian defense 8. Budapest gambit 9. Caro-Kann 10. Catalan system 11. Center gambit 12. Dutch defense 13. English opening 14. Evans gambit 15. Four knights' game 16. French defense 17. Grünfeld defense 18. Italian game & Hungarian defense 19. King's Indian defense 20. Latvian gambit 21. Nimzo-Indian defense 22. Nimzowitsch defense 23. Old Indian defense 24. Philidor's defense 25. Pirc-Robatsch defense 26. Queen's gambit 27. Queen's Indian defense 28. Queen's pawn game 29. Reti opening 30. Petrov's defense 31. Ruy Lopez 32. Scandinavian defense 33. Scotch gambit & Ponziani's opening 34. Scotch game 35. Sicilian defense 36. Three knights' game 37. Two knights' defense 38. Vienna game 39. Volga-Benko gambit 40. The complete course of openings

* Added notifications settings; select which notifications you want to see in the Practice * "Go" floating button on the home screen now opens the first new exercise * Added Instagram share for puzzles * Added voice chooser setting for Animation * Improved dark theme support, you can now use "Follow system" option to match your system theme * Make statistics colors in the light theme more bright * Copy full exercise PGN to the engine after solution * Various fixes and improvements