Practised 6 positions on Piece Checkmates I
Practised 4 positions on Checkmate Patterns II
Practised 2 positions on The Pin
Practised 1 position on Zugzwang
Practised 1 position on The Skewer
Practised 2 positions on The Pin
Practised 1 position on Zugzwang
Practised 1 position on The Skewer