Practised 23 positions on Checkmate Patterns II
Practised 13 positions on Checkmate Patterns I
Practised 7 positions on X-Ray
Practised 3 positions on Overloaded Pieces
Practised 1 position on Piece Checkmates I
Practised 7 positions on X-Ray
Practised 3 positions on Overloaded Pieces
Practised 1 position on Piece Checkmates I