This chess program presents many instructive positions with 18 most important strategic themes such as Advantage in development, Advantage in space, Attack on the king, Attack on the queenside, Weak squares, Pawn structure, Open files and diagonals and others.

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. Advantage in development
2. Advantage in space
3. Attack on the king
3.1. Attack on the king
3.2. Attack on the uncastled king
3.3. Attack on the king when both opponents castled to the same side
3.4. Attack on the king in positions with opposite side castling
4. Attack on the queenside
5. Defense and counterattack
6. Weak square
7. Open files and diagonals
7.1. Open files and diagonals
7.2. Open files
7.3. Open diagonals
8. Pawn structure
8.1. Pawn structure
8.2. Weak pawns
8.3. Pawn majority
8.4. Restriction of mobility
9. Central squares
9.1. Central squares
9.2. Pawn center
9.3. Piece-and pawn center
9.4. The center and the wings
10. Disposition of pieces
10.1. Disposition of pieces
10.2. Fight between minor pieces
10.3. Limitation of pieces mobility
11. Exchange
12. Positional sacrifice
13. Isolated queen's pawn
13.1. Isolated queen's pawn
13.2. Playing methods with an isolated pawn
13.3. Methods of play against an isolated pawn
14. A pawn pair c3+d4 on the semi-open files
14.1. A pawn pair c3+d4 on the semi-open files
14.2. Against
14.3. For
15. Hanging pawns
15.1. Hanging pawns
15.2. Fight against hanging pawns
15.3. Methods of play with an hanging pawns
16. Prevention
17. The rule of two weaknesses
18. Plan