For many fans of the ancient game, a chess machine or a personal computer with a chess program have become permanent partners: playing with them not only brings pleasure, but also improves their skills, and coaches, with their help, select material for training sessions. This book will introduce readers to specific achievements of machines at the chessboard, their ability to surpass their creator in the creative, intellectual sphere, will tell about the vicissitudes of the famous duel between Kasparov and the computer Deep Blue. For a wide range of readers.