Camillo Gamnitzer, The Problemist 2000 , 2. Preis (Teil-Revision/Urdruck)
Position: rN6/pPQp4/p2P1R2/3k4/P4P2/3PB1pp/2p1p2p/3br1bK w - - 0 1
 
selfmate in 6

Black: Ra8, a7, d7, a6, Kd5, g3, h3, c2, e2, h2, Bd1, Re1, Bg1
White: Nb8, b7, Qc7, d6, Rf6, a4, f4, d3, Be3, Kh1

Ausgebuddelt!

1. Lxa7? (2. Dc5+ Lxc5#) Txa7!

1. Th6!
droht, mit Tempo (2. Th5+ Ke6 3. Dxd7+ Kf6
4. De7+ Kg6 5. De8+! Kg7/Kf6 6. Ld4+ Lxd4#)
1. - Txb8
2. Lxa7
c1D/T
3. Dxc1 Lc2
4. Dxc2? Tc1!
4. De3! (5. Dc5+) Kc6 5. Db6+ Kd5 6. Dc5+; Lxd3 (5. - Ke4)
5. Dd4+ Kc6
6. De4+! Lxe4#! 
 

Surprisingly, the final mate is delivered by the light- square bishop! Typically profound play from Camillo (JMR)

Extremely complex and difficult
(CCF)

2. - Tc8 3. bxc8D c1D 4. Dc5+ Dxc5+ 5. Dxc5+; shortest
3. - Tc8 4. Dxc8 ~ 5. Dc5+; shortest
4. - Tc8 5. bxc8D/T ~ 6. Dd4+/Dc5+ LxD#