A free app for Android, by Chess King.

This course contains a selection of extremely well-known compositions from the world of chess, the aim being to provide every player with the best possible information. Each composition is accompanied by a full-size tactical diagram and explanatory notes, so that the student is sure to understand and appreciate the most important elements of the theory.

What to expect from this course?

Many of the exercises will challenge your ability to combine tactics and strategic thoughts into a logical plan.

How to use this course?

The program provides a special interface that will help you test the solutions before putting them into practice. Each of the problems in the course has a mini-position designed to teach the move to be used in the main problem.

The course 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 refutations of the mistakes you might make.

The main idea of the program is to improve your chess knowledge, to learn new tactics, and to consolidate the acquired knowledge into practice.