Abdurahmanovic 1 theme
H#2: The same black (or white) piece is unpinned in four different ways: indirect unpin, direct unpin by the move of the pinning piece, indirect self-unpin; self-unpin by the move of the king.
See also: Unpin.
Mladenović, Miodrag
Liga problemista, 1984
1st Place
h#2 4.1... (5+9)
1.Se3
Kb3
2.Re4
Rd5#
1.Sf6
Bg3
2.Rc4
Bd6#
1.Bxb4
Re3
2.Rd5
Rc3#
1.Kc4
Sc6
2.Rxd3
Sb6#
Gavrilovski, Zoran
Orbit, 2014
2nd Prize
h#2 4.1... (7+8)
1.Rc6
Sc5+
2.Kd6
Sxb7#
1.Rd6
Kh2
2.Ke6
Sc5#
1.R6g7
Bc6
2.Kf7
Sd6#
1.Bc8
Sd6+
2.Kd8
Sf7#