Combinational vision and the abilities of calculating all thevariations are the basic ways which lead to success in chess. Allgrandmasters of chess art wholly possessed a gift for that. Manyoutstanding chessplayers such as P. Morphy, M. Chigorin, AAlekhin, M. Tal, B. Spassky, R. Fischer, A Karpov, G. Kasparovand others are well famous for their brilliant combinations, cal­cuted accurately and for remote future.It's quite possible to develop such abilities to a great degreeby regular training. That's what this book is devoted to.The book contains many exercises based on a practical ex­perience. And they are gathered in such a way, that the follo­wing exercises are more complicated than the previous ones.These exercises can be used by all chesspllayers for training ontheir own.The book mainly shows the positions with crises and the de­cisions - forced variations or the series of variations.All the diagrams given in the book can be divided into threeparts: the technique of tactical operations (1-159); the techniqueof positions' strategic features realization (160-519); and complica­ted positions with the themes gelling together (520-700).N. Kalinichenko.