Chess Middlegame V course contains 520 theoretical lessons and 450 practical exercises, composed by GM Alexander Kalinin. The course includes typical plans and methods for the following popular openings: Vienna game, Petroff's Defense (5. Кс3), Four knights game with 5. Bb5, Ruy Lopez (Berlin defense, variation with 3... Bc5 4. O-O Nf6), Caro-Kann (Panov Attack), Sicilian defense (Sveshnikov variation), Queen's gambit (Cambridge-Springs variation, Tarrasch defense), Nimzo-Indian defense (Leningrad variation, variation with 4. g3), Queen's Indian defense (Petrosian system), Trompowsky attack (1. d4 2. Сg5).