Checkers Online Train Tactics has been organized to guide and show the training procedure that must be done to learn to do calculations at the level of a great player. The project was developed based on the teachings of the Grand Masters and Trainers from Russia and Ukraine.It consists of 3 basic levels, 2 intermediate levels and 2 advanced levels. There are more than 3 thousand positions with tactical exercises from the simplest to the most complex.* BONUS - Books on tactics:✔ Combinations of Openings✔ Matches with sacrifice ideas✔ Anthology of Combinations✔ Art of Defense - Author Kirilov✔ Super Combinations✔ Win at any cost - Kondracheko✔ Tactics in Sacrifices - Vladimir Kaplan✔ Pitfalls in Tablita Sweepstakes✔ Classic endings✔ Radical Maneuvers (Compositions)