The themes of the exercises correspond to those in the manual

Theory topics covered:

• Discovered and double check
• Attack on a pinned piece
• Access and mating patterns
• Pawn ending: the square of the pawn
• Eliminating of the defence
• Defending against the double attack
• Draw
• X-ray
• Defending against the pin
• Mobility
• Key squares
• A pinned piece is not a good defender