Practised 18 positions on Checkmate Patterns III
Practised 10 positions on Attraction
Practised 7 positions on X-Ray
Practised 5 positions on Zwischenzug
Practised 1 position on 7th-Rank Rook Pawn
Practised 7 positions on X-Ray
Practised 5 positions on Zwischenzug
Practised 1 position on 7th-Rank Rook Pawn