Practised 7 positions on X-Ray
Practised 3 positions on Checkmate Patterns III
Practised 2 positions on The Skewer
Practised 2 positions on The Pin
Practised 1 position on Checkmate Patterns I
Practised 2 positions on The Skewer
Practised 2 positions on The Pin
Practised 1 position on Checkmate Patterns I