CT-ART. Mating Combinations program is the unique due to two causes: the high quality of the theoretical material and a new technology of giving the studying material, the iBook technology that uses hyperlinks and additional windows for comfortable usage of the studying material. The course is prepared by the famous coach Victor Khenkin and includes 1200 instructive examples on 14 themes, each of them illustrates the peculiarities of using certain pieces for mating combinations and 700 exercises for you to solve.