Section D1 h#2
2 solutions
1.d2 Be2 2.Bd1 Rc3#
1.e5 Rg6 2.Rg8 Bd7#
Anticipatory interference (white-black) x 2
Exchange of functions (bBc2/bRe8, Interfered/Interfered)
Exchange of functions (bPd3/bPe6, Line opening/Passive)
Hideaway (bB) Hideaway (bR)
Orthogonal-diagonal transformation
Model mate x 1