VII. Structure

1. Study types

• Romantic
• Logical
• EGTB
• Multiphase
• Black-White synthesis
• Twins
• >Duplex
• Retrograde analysis
• Symmetry
• Asymmetry
• Antisymmetry

2. Correctness

• Cooked
• Computer checked (C+)
• Illegal initial positions
• Initial position with promoted pieces
• Three knights of the same colour
• Blind bishops
• Initial position with obtrusive pieces