This course teaches play in key opening positions of the French Defense (1.e4 e6), where the cost of a mistake is high, and it is necessary to know or be able to find the only correct move. This opening has been played with Black by many of the world’s greatest chess players, including Botvinnik, Petrosian, and Korchnoi. By solving these exercises in advance, you can better understand the subtleties of the opening and avoid mistakes in key opening positions during actual games.