Spikejaw

Practised 18 positions on Checkmate Patterns III
Practised 18 positions on Checkmate Patterns I
Practised 16 positions on The Fork
Practised 15 positions on Checkmate Patterns IV
Practised 10 positions on Discovered Attacks
Practised 8 positions on Piece Checkmates I
Practised 8 positions on The Pin
Practised 8 positions on The Skewer
Practised 6 positions on Double Check
Practised 1 position on Piece Checkmates II