Practised 7 positions on Interference
Practised 6 positions on Double Check
Practised 5 positions on Zwischenzug
Practised 5 positions on Discovered Attacks
Practised 4 positions on Zugzwang
Practised 5 positions on Zwischenzug
Practised 5 positions on Discovered Attacks
Practised 4 positions on Zugzwang