Section D2 – h#3
2 solutions
1.Rb8 Nxb8 2.Kb4 Kb7 3.Ka5 Nc6# (MM)
1.Rb6 Nxd5 2.Kb5 Kc8 3.Ka6 Nc7# (IM)
Asymmetry
Exchange of functions (wSc3/wSc6, Mate / Passive guard)
Hidden tempo-try
Switchback (wS, with captures, 1)
Ideal mate × 1
Model mate × 1
Symmetrical position
Active sacrifice (black)
Hideaway (bR, sacrificial)
Simple choice of move order (W1, enabling B2)
Self-block × 1
B Capture × 2
Square vacation × 1
Unblock × 1