[Retros] Category C, bxc7#/...bxc2#, etc.,

[afretro]

Category C:
bxc7#/...bxc2#, etc., mate by pawn itself
1.Pd2-d4   Pe7-e5   2.Pd4-d5   Qd8-e7   3.Pd5-d6   Ke8-d8   
4.Qd1-d5   Qe7-e8   5.Qd5xf7   Bf8-e7   6.Qf7-f8   Sg8-f6   
7.Pd6xe7   
1.Ph2-h4   Pe7-e6   2.Ph4-h5   Bf8-a3   3.Pb2xa3   Sg8-e7   
4.Bc1-b2   Se7-g6   5.Bb2xg7   Qd8-f6   6.Ph5xg6   Qf6-b2   
7.Bg7-f6     O-O    8.Pg6xh7   
Best,
Andrey