Practised 16 positions on The Fork
Practised 10 positions on Discovered Attacks
Practised 8 positions on Opposition
Practised 8 positions on The Pin
Practised 8 positions on The Skewer
Practised 6 positions on Double Check
Practised 5 positions on Desperado
Practised 4 positions on Zugzwang
Practised 2 positions on Piece Checkmates II
Practised 8 positions on Opposition
Practised 8 positions on The Pin
Practised 8 positions on The Skewer
Practised 6 positions on Double Check
Practised 5 positions on Desperado
Practised 4 positions on Zugzwang
Practised 2 positions on Piece Checkmates II