Section D2 – h#3
4 solutions
1.Qf6 Ke4 2.Ke6 Nb7 3.Rf7 Nc5# (IM)
1.Qf8 Nd4 2.Ke7 Ke5 3.Rd7 Nc6# (IM)
1.Qd8 Nh4 2.Ke7 Ke5 3.Rd7 Ng6# (IM)
1.Rb7 Nf7 2.Kc8 Kc6 3.Rb8 Nxe7# (IM)
Consecutive Umnov (black-black, qkr, 2) × 2
Distant self-block × 2
Ideal mate
Simple choice of move order (B2, enabling W2)
Simple choice of move order (W1, enabling B2) × 3