Camillo Gamnitzer, The Problemist 2013, 1. Preis
Position: 8/1ppR2P1/bNP5/1BP1B2p/p1Q1N2P/P1p1kpp1/5p1b/5K2 w - - 0 1
 
selfmate in 6

Black: b7, c7, Ba6, h5, a4, c3, Ke3, f3, g3, f2, Bh2
White: Rd7, g7, Nb6, c6, Bb5, c5, Be5, Qc4, Ne4, h4, a3, Kf1

Rhapsody for big chess-orchestra, conducted
by a dancing rook

1. Tf7! (2. Dxc3+ Kxe4 3. Dd3+ Kxe5 4. Sd7+ Ke6
5. Db3+! axb3 6. Lc4+ Lxc4+#)
1. - cxb6
2. Te7! (3. Dxc3+ Kxe4 4. Dd4+ Kf5 5. Df4+ Kg6
6. Ld3+! Lxd3#) bxc5 3. Dxc5+ usw.
2. - Lxb5
3. Tf7! Switchback (4. Txf3+! Kxf3 5. De2+ Lxe2#)
3. - Lxc6 → Flucht
4. Ld4+! Kxe4
Schlussakkord:  
5. Lxc3+ Ke3
6. De2+ fxe2#!

Mysterious...
(Solver) 

1. - Lxb5? 2. Txf3+; see third threatplay 
1. Te7? Lxb5 2. Tf7 Lxc4+!