Practised 18 positions on Checkmate Patterns III
Practised 10 positions on Discovered Attacks
Practised 6 positions on Double Check
Practised 5 positions on Checkmate Patterns I
Practised 3 positions on The Skewer
Practised 6 positions on Double Check
Practised 5 positions on Checkmate Patterns I
Practised 3 positions on The Skewer