Practised 7 positions on Checkmate Patterns I
Practised 4 positions on Double Check
Practised 2 positions on 7th-Rank Rook Pawn
Practised 1 position on 7th-Rank Rook Pawn
Practised 2 positions on 7th-Rank Rook Pawn
Practised 1 position on 7th-Rank Rook Pawn