Practised 11 positions on Key Squares
Practised 10 positions on Overloaded Pieces
Practised 10 positions on Underpromotion
Practised 6 positions on Double Check
Practised 5 positions on Zwischenzug
Practised 4 positions on Zugzwang
Practised 10 positions on Underpromotion
Practised 6 positions on Double Check
Practised 5 positions on Zwischenzug
Practised 4 positions on Zugzwang