Practised 15 positions on Checkmate Patterns IV
Practised 13 positions on The Fork
Practised 10 positions on Discovered Attacks
Practised 8 positions on The Skewer
Practised 8 positions on The Pin
Practised 7 positions on X-Ray
Practised 6 positions on Checkmate Patterns III
Practised 10 positions on Discovered Attacks
Practised 8 positions on The Skewer
Practised 8 positions on The Pin
Practised 7 positions on X-Ray
Practised 6 positions on Checkmate Patterns III