Practised 7 positions on Piece Checkmates II
Practised 5 positions on Undermining
Practised 5 positions on Counter Check
Practised 5 positions on Desperado
Practised 5 positions on Zwischenzug
Practised 4 positions on Zugzwang
Practised 5 positions on Counter Check
Practised 5 positions on Desperado
Practised 5 positions on Zwischenzug
Practised 4 positions on Zugzwang