(Chess. Plan in the Middlegame). A manual for pre-intermediate and stronger players. Authors intention is to improve your calculation and make your thinking more productive. The book consists of 188 samples where the readers should evaluate the position and find correct continuation. All samples are well analysed to the end of the game. Material is sorted into 6 main chapters: 1) Slabye i silnye polya / Weak and strong squares, 2) Igra v centre / Centre Play, 3) Pozitsionnaya igra / Positional Play, 4) Ataka / Attack, 5) Zashchita / Defence, 6) Okonchania / Endgames. Series Shakhmatny universitet 83.