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), Queen's pawn opening 3. Bg5 (1. d4 Nf6 2. Nf3 e6 3. Bg5, 2... g6 3. Bg5), Réti opening, King's fianchetto opening.

This course is in the series Chess King Learn (https://learn.chessking.com/), which is an unprecedented chess teaching method. In the series are included courses in tactics, strategy, openings, middlegame, and endgame, split by levels from beginners to experienced players, and even professional players.