Section D1 – h#2
4 solutions
1.a2 Kb2 2.Ne3 dxe3#
1.Qxe4 Nxa4 2.Rc3 dxc3#
1.Qf5 Ne6+ 2.Kxe4 d3# (MM)
1.Qxd6 Be3+ 2.Kxe5 d4#
Active sacrifice (black) × 2
Albino
Distant self-block × 2
Umnov mate (bK-wP)
Model mate × 1
Mate on the white piece square × 2
Mate from the initial bK square × 1
Simple choice of move order (B1, enabling W1)