Practised 16 positions on The Fork
Practised 10 positions on Discovered Attacks
Practised 8 positions on The Skewer
Practised 7 positions on X-Ray
Practised 4 positions on Zugzwang
Practised 3 positions on Piece Checkmates II
Practised 8 positions on The Skewer
Practised 7 positions on X-Ray
Practised 4 positions on Zugzwang
Practised 3 positions on Piece Checkmates II