Practised 10 positions on Discovered Attacks
Practised 8 positions on The Skewer
Practised 6 positions on Double Check
Practised 5 positions on Checkmate Patterns III
Practised 5 positions on Undermining
Practised 5 positions on Counter Check
Practised 4 positions on Zugzwang
Practised 6 positions on Double Check
Practised 5 positions on Checkmate Patterns III
Practised 5 positions on Undermining
Practised 5 positions on Counter Check
Practised 4 positions on Zugzwang