Chess Middlegame III course contains 550 theoretical lessons and 500 practical exercises, aimed for 1800-2400 ELO players. The course includes typical plans and methods for the following popular openings: Petrov defense, Ruy Lopez (Marshall counter-attack, anti-Marshall system), Scandinavian defense, Sicilian defense (Closed variation, variations with 3. Bb5: Moscow variation, Rossolimo variation), Queen's gambit accepted (3. Nf3 Nf6 4. e3 and 3. e4), Grünfeld defense (4. cd Nd5 5. e4 Nс3 6. bc)