Camillo Gamnitzer, The Problemist 2017
Position: 8/8/1pp3p1/1N3N2/1PB2B2/qP1p4/p1kP4/Kb5Q w - - 0 1
 
selfmate in 4

Black: b6, c6, g6, Qa3, d3, a2, Kc2, Bb1
White: Nb5, Nf5, b4, Bc4, Bf4, b3, d2, Ka1, Qh1
Solution: 
Click to see solution below