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

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

>
>
>> Category II:
>> b6#/...b3# etc., discovered checkmate
>>
>> No games for now?
>
> Here is one :
>
> 1.Pf2-f4   Pd7-d5   2.Pf4-f5   Pd5-d4   3.Pf5-f6   Fc8-g4
> 4.Pf6xe7   Fg4xe2   5.Pe7xd8=F Ff8-c5   6.Fd8-h4   Fc5-b6
> 7.Fh4-g3   Re8-e7   8.Re1-f2   Re7-f6   9.Dd1-e1   Pd4-d3

Another one where checkmate is now given by a queen :

1.Pf2-f4   Pg7-g5   2.Pf4-f5   Pg5-g4   3.Pf5-f6   Pe7xf6
4.Re1-f2   Ff8-c5   5.Rf2-g3   Fc5-b6   6.Ph2-h4   Pc7-c5
7.Ph4-h5   Dd8-c7   8.Rg3-h4   Dc7-f4   9.Pa2-a4   Pd7-d6
10.Pa4-a5   Pg4-g3