Practised 16 positions on The Fork
Practised 14 positions on Checkmate Patterns III
Practised 10 positions on Overloaded Pieces
Practised 8 positions on The Pin
Practised 8 positions on The Skewer
Practised 6 positions on Double Check
Practised 5 positions on Discovered Attacks
Practised 2 positions on Knight & Bishop Mate
Practised 1 position on X-Ray
Practised 1 position on Piece Checkmates II
Practised 10 positions on Overloaded Pieces
Practised 8 positions on The Pin
Practised 8 positions on The Skewer
Practised 6 positions on Double Check
Practised 5 positions on Discovered Attacks
Practised 2 positions on Knight & Bishop Mate
Practised 1 position on X-Ray
Practised 1 position on Piece Checkmates II