Camillo Gamnitzer, The Problemist 2018
Position: 7r/4P3/6P1/3R2p1/1P2P2N/ppRBk2N/p3p1Pp/rbK1Q3 w - - 0 1
 
selfmate in 4

Black: Rh8, g5, a3, b3, Ke3, a2, e2, h2, Ra1, Bb1
White: e7, g6, Rd5, b4, e4, Nh4, Rc3, Bd3, Nh3, g2, Kc1, Qe1
Solution: 
Click to see solution below