Pin/unpin
In the course of the solution, a piece is first pinned, then unpinned again.
See also: Self-pin/unpin; Self-pin/self-unpin; Pin/self-unpin.
Persson, Manne
Thema Danicum, 2001
2nd Prize
h#2 2.1... (8+8)
1.Sa3
Sg7
2.Sb5
Rg3#
1.Bxg5
Rd5
2.Bf6
Se3#