[Retros] Pawn to-the-6th rank mates, III-V

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

> Category IV:

> bxc6#/...bxc3# etc., discovered checkmate (with/without en

> passant)

> 1.e4 e5 2.Qg4 Be7 3.Qxd7+ Qxd7 4.f3 f5 5.Kf2 Qd4+ 6.Kg3

> Qf2+ 7.Kh3 f4+ 8.g4 fxg3# e.p. (Unto Heinonen, 1996)


A shorter example without ep :

1.Pd2-d4   Pe7-e6   2.Pd4-d5   Dd8-g5   3.Dd1-d4   Dg5xg2
4.Ff1xg2   Re8-e7   5.Fc1-g5   Re7-d6   6.Pf2-f4   Cb8-c6
7.Pd5xc6


> Category V:

> bxc6#/...bxc3# etc., double checkmate (with/without en

> passant)


Is it theorically possible without ep ?