Practised 23 positions on Checkmate Patterns II
Practised 11 positions on Key Squares
Practised 9 positions on 7th-Rank Rook Pawn
Practised 7 positions on X-Ray
Practised 6 positions on Piece Checkmates I
Practised 9 positions on 7th-Rank Rook Pawn
Practised 7 positions on X-Ray
Practised 6 positions on Piece Checkmates I