Section D2 – h#3
4 solutions
1.e1=R+ Kb2 2.Ke2 Bc4+ 3.Kd1 Rd8# (MM)
1.e1=B Kb1 2.Ke2 Rxa2+ 3.Kd1 Bb3#
1.Kf4 Bf7 2.Kg5 Ra5+ 3.Kh4 Rh5# (MM)
1.h6 h4 2.Kg4 Ra4+ 3.Kh5 Bf7# (MM)
Distant self-block × 3
Promotion (rb)
Model mate × 3
BK moves only
Choice of move order (W1, flight-guard avoidance, white-black) × 2
Simple choice of move order (W1, enabling B2)
B-W gate opening × 1
Self-block × 3
Distant self-block × 3
B Promotion × 2
B Capture × 1
Unblock × 2