Alois Nichtawitz, harmonie-aktiv 2015
Position: 2nB3Q/4rp2/2n1PN2/5Pr1/8/4p1kp/2B1R2N/2K5 w - - 0 1
 
mate in 4

Black: Nc8, Re7, f7, Nc6, Rg5, e3, Kg3, h3
White: Bd8, Qh8, e6, Nf6, f5, Bc2, Re2, Nh2, Kc1

1.La5! (2.Le1+ Kf4 3.Sd5#)
1.-S:a5,Sb4 2.Sh5!+ T:h5 3.De5+ Kh4 4.Df4#
2.-Kh4 3.Dd4+ K:h5/Tg4 4.Dh8#/D:g4#

1.-T:f5 2.Se4+ Kf4 3.Tf2+ e:f2 4.Ld2#
1.-Tg6 2.Le1+ Kf4 3.Sd5+ Kg5 4.D,Lh4#

1.-Td7/Sb6/f:e6 2.Dh4+! K:h4 3.Le1+Tg3 4.Sf3#