Section D2 – h#3
b) bKc8->f7
a) 1.Rxa1 Kxa1 2.Be7 Rb7 3.Bd8 Sd6# (MM)
b) 1.Sxb1 Kxb1 2.Kg8 Bg7 3.Bf7 Sf6# (MM)
Active sacrifice (black) × 2
Anti-critical move (white)
Enabling hideaway (black-white) × 2
Exchange of functions (bBb4/bBc4, Passive / Self-block)
Exchange of functions (wBa1/wRb1, Captured / Guard)
Hideaway (wK, capturing, pseudo) × 2
Kniest theme (white) × 2
Model mate × 2
Simple choice of move order (B1, enabling W1) × 2
Unblocking sacrifice × 2
Statistics (motifs, etc.)
W-W gate opening × 2
B-W gate opening × 2
Self-block × 2
W Capture × 2
B Capture × 2
Anti-critical move × 1
Square vacation × 1