4.exf5 … 8...Bb4+ 9.c3 Ne5 10.Be3: Rousseau Gambit line

Rousseau Gambit line, 10 moves deep. You play Black.

1. e4
2. e5
3. Nf3
4. Nc6
5. Bc4
6. f5
7. exf5
8. e4
9. Ng1
10. d5
11. Bb3
12. Qg5
13. g3
14. Qxf5
15. d3
16. Bb4+
17. c3
18. Ne5
19. Be3
20. Nxd3+