Practised 11 positions on Key Squares
Practised 10 positions on Overloaded Pieces
Practised 8 positions on Opposition
Practised 7 positions on Interference
Practised 7 positions on X-Ray
Practised 6 positions on Double Check
Practised 6 positions on Discovered Attacks
Practised 4 positions on Zugzwang
Practised 2 positions on 7th-Rank Rook Pawn
Practised 8 positions on Opposition
Practised 7 positions on Interference
Practised 7 positions on X-Ray
Practised 6 positions on Double Check
Practised 6 positions on Discovered Attacks
Practised 4 positions on Zugzwang
Practised 2 positions on 7th-Rank Rook Pawn