The 14-part video series Understanding Middlegame Strategies by Dutch grandmaster and author Ivan Sokolov explores a wide range of middlegame themes. The later volumes examine positions arising from popular opening systems. Part two focused on courses dealing with typical middlegame structures arising from the Sicilian Defence, the French Defence and the King's Indian Defence. With colours reversed (the King’s Indian Attack), these setups can be just as powerful. With colours reversed (the King’s Indian Attack), these setups can be just as powerful.