Practised 17 positions on 7th-Rank Rook Pawn
Practised 16 positions on The Fork
Practised 10 positions on Deflection
Practised 10 positions on Attraction
Practised 7 positions on X-Ray
Practised 10 positions on Deflection
Practised 10 positions on Attraction
Practised 7 positions on X-Ray