Chess Law: "A bad plan is better than a game without a plan." And the plan is a strategy. The book of the ICCHF grandmaster N. Kalinichenko, the author of many publications on chess theory, introduces the reader to the basics of chess strategy. The book discusses the main ideas of attack, defense, struggle for initiative. Knowledge of these foundations, like the Ariadne thread, will lead the reader out of the labyrinth of the most complex chess schemes.