[Retros] Pawn to-the-6th rank mates

[Nicolas.Dupont at math.univ-lille1.fr]

> 1.g3 h5 2.Bg2 h4 3.Bxb7 Bxb7 4.Nf3 Bxf3 5.Kf1 Bxe2+ 6.Kg2
> Rh5 7.Qg1 h3# (Hirokaz Onoda)

Funny variation with only 2 captures :

1.Pg2-g3   Pd7-d5   2.Ff1-h3   Pd5-d4   3.Re1-f1   Pd4-d3
4.Rf1-g2   Pd3xe2   5.Pd2-d4   Pg7-g5   6.Cb1-d2   Pg5-g4
7.Cd2-f3   Pg4xh3