Practised 5 positions on Checkmate Patterns I
Practised 2 positions on Checkmate Patterns II
Practised 1 position on The Fork
Practised 1 position on Checkmate Patterns IV
Practised 1 position on The Pin
Practised 1 position on The Fork
Practised 1 position on Checkmate Patterns IV
Practised 1 position on The Pin