Practised 10 positions on Key Squares
Practised 9 positions on Discovered Attacks
Practised 5 positions on The Fork
Practised 5 positions on The Pin
Practised 4 positions on The Skewer
Practised 1 position on Double Check
Practised 5 positions on The Fork
Practised 5 positions on The Pin
Practised 4 positions on The Skewer
Practised 1 position on Double Check