Practised 5 positions on Interference
Practised 4 positions on 7th-Rank Rook Pawn
Practised 1 position on Greek Gift
Practised 1 position on Piece Checkmates I
Practised 1 position on Piece Checkmates II
Practised 1 position on Greek Gift
Practised 1 position on Piece Checkmates I
Practised 1 position on Piece Checkmates II