Practised 11 positions on Key Squares
Practised 6 positions on Double Check
Practised 4 positions on Checkmate Patterns II
Practised 4 positions on Greek Gift
Practised 4 positions on Zugzwang
Practised 4 positions on Checkmate Patterns II
Practised 4 positions on Greek Gift
Practised 4 positions on Zugzwang