Practised 6 positions on Checkmate Patterns II
Practised 6 positions on Checkmate Patterns I
Practised 4 positions on Checkmate Patterns III
Practised 1 position on Key Squares
Practised 1 position on Overloaded Pieces
Practised 1 position on Interference
Practised 4 positions on Checkmate Patterns III
Practised 1 position on Key Squares
Practised 1 position on Overloaded Pieces
Practised 1 position on Interference