E7e8->pawn at E1/h8g8
E1e2/g8h8
E2e3/h8g8
E3e4/g8h8
E4e5/h8g8
E5e6/g8h8
E6e7/h8g8
E8d8/g8h8
E7e8- >q at e8 chack and mate
Discussion
This notation makes no sense!
And the f7 square is key, not mentioned, so your answer must be wrong.
You owe me 1 sat.
And a 12 sat penalty for that shmozzle notation