Camillo Gamnitzer, Probleemblad 2017
Position: 8/6br/1p2Npp1/1P3P1P/7n/1pRBkpP1/pN3R2/rbK2Q2 w - - 0 1
 
selfmate in 4

Black: Bg7, Rh7, b6, f6, g6, Nh4, b3, Ke3, f3, a2, Ra1, Bb1
White: Ne6, b5, f5, h5, Rc3, Bd3, g3, Nb2, Rf2, Kc1, Qf1

Thematic try:
1. fxg6? (2. Lf5+ Ld3#) f5! (2. - Lxc3!)

1. g4! (2. Le4+ Kxe4 3. De1+ Kd5 4. Td2+ Ld3#) Lh6
(2. - Kxe4+!)
2. fxg6 Tc7 → defence replacement (3. - Txc3+)
3. Te2+! fxe2
4. Lxb1+! Selfpin! Txc3#

2. - Td7 3. Lf5+ Td3 4. Txd3+ Lxd3#
1. - Sxf5? 2. Lxf5+

Sideline:
1. - Sg2
2. Dxg2! (3. Te2+ fxe2 4. L~+ Ld3#) fxg2
3. Tf4! (4. L~+) g1D/T+ 4. Lf1+ Ld3#

Non-thematic attempts:
1. Le4+? Kxe4 2. Dc4+ Kxf5! 2. - Ke5? 3. Df4+ Kd5
4. Td2+
1. Td2? (2. fxg6! f5 3. Lxf5+ Lxc3 4. D/Td3+) g5!/gxh5!

See f.e. also: "Die Schwalbe" 2018, S#5