1...Nf6 … 9.Bg5 f6 10.Be2 fxg5: English Opening line

English Opening line, 12 moves deep. You play White.

1. c4
2. Nf6
3. Nc3
4. e6
5. e4
6. Bb4
7. e5
8. Bxc3
9. bxc3
10. Ne4
11. Qg4
12. Nc5
13. Qxg7
14. Rf8
15. d4
16. Na4
17. Bg5
18. f6
19. Be2
20. fxg5
21. Bh5+
22. Rf7
23. Qxf7#