Manual of Chess Combinations is a chess training program developed by CHESSQUEEN INC. It is based on the renowned textbook by Sergey Ivashchenko, Manual of Chess Combinations vol 2. The program aims to help chess players improve their tactical skills by providing a series of chess puzzles and exercises.

The program acts as a coach, giving you tasks to solve and providing hints, explanations, and refutations of mistakes. It offers high-quality examples that have been double-checked for correctness. The tasks are divided into different levels of complexity, allowing players of all skill levels to benefit from the program.

One of the key features of Manual of Chess Combinations is the interactive theoretical lessons. These lessons provide structured content, allowing players to easily navigate through the course. Additionally, the program monitors the player's rating (ELO) and offers a test mode with flexible settings.

The program also includes a free version, which allows users to test the application before purchasing. The free version offers fully functional lessons, providing a taste of what the program has to offer. Topics covered in the full version include mating combinations, pinning combinations, distraction, and many more.

Whether you're a beginner looking to learn new tactical tricks or an experienced player looking to consolidate your knowledge, Manual of Chess Combinations offers a comprehensive and interactive learning experience.