Unpin/pin
In the course of the solution, a piece is first unpinned, then pinned again.
See also: Unpin/self-pin; Self-unpin/self-pin; Self-unpin/self-pin.
Jones, Christopher James Austin
StrateGems, 2006
2nd HM
h#3 b) bBe6
(3+14)
a) 1.Rb7
Rd1
2.Rc7
Bd2
3.Sf4
Bxf4#
b) 1.Rd8
Bh2
2.Rd7
Rg3
3.Sd3
Rxd3#
Pachl, Franz
Sinfonie Scacchistiche, A. Ferrari MT, 1979
1st Prize
h#2 2.1... (5+10)
1.Sg5
Sd3
2.Rxd5
Qf4#
1.Sd7
Se3
2.Bxf4
Qd5#
Unpin/pin (white).