Mario G. Garcia (Argentina)
 
Win 4+5

g6->h7
1.Nh2+ Kh4 2.Nf3+ Kg4 3.Ne5+ Kh4 4.Nxg6+ Kg4 5.Rg3#
With black pawn of g6 on h7 :
After E. Pogosyants (e4-g4) - Kommunist-1981 (correction by Mario Guido García)
Solution: 1.Rg3,Kh4; 2.Rg4,Kg4; 3.Ne3,Kh4; 4.Nf5,Kg4; 5.f3++