Section D2 – h#3
2 solutions
1.g1=N Nd3 2.Kg2 Nc4 3.Kf1 Ne3#
1.Bd3 2.Ndf3 2.Bg3 Ng1+ 3.Kh2 Nef3# (MM)
Exchange of functions (wSe1/wSd2, Guard + Interfering / Mate)
Promotion (s)
Unpin/self-pin (white) × 2
WCCT-12 theme (interference unpin/self-pin, wS, too few moves for the theme!) × 2
Model mate × 1
Additional features
AntiZielElement (W1, obstruction)
Distant self-block
Kozhakin theme
Simple choice of move order (B1, enabling W1)