A free app for Android, by Chess King.

This course is an excellent tool for training and improving your chess skills. 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.

A great number of exercises make the course an excellent tool for quick training for both beginners and club players. With the help of this course, you can improve your chess skills, learn new tactical tricks and combinations, and consolidate the acquired knowledge into practice.

Advantages of the program:

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, and explanations, and show you even striking refutation of the mistakes you might make.