Christian Poisson (France)
 
#7 3+1

1.b6! Kg2,Kf2 2.b7 Kf3,Kh3 3.b8=Q Kg4 4.Qe5 Kh4 5.Qg3+ Kh5 6.Nf4+ Kh6 7.Qg6#  (Author)