Practised 23 positions on Checkmate Patterns II
Practised 7 positions on X-Ray
Practised 4 positions on Piece Checkmates I
Practised 2 positions on Zwischenzug
Practised 2 positions on Checkmate Patterns IV
Practised 4 positions on Piece Checkmates I
Practised 2 positions on Zwischenzug
Practised 2 positions on Checkmate Patterns IV