3.Nc3 … 6...bxc6 7.Bc4 Nxe4 8.Be3: Petrov Defense line

Petrov Defense line, 10 moves deep. You play Black.

1. e4
2. e5
3. Nf3
4. Nf6
5. Nc3
6. Nc6
7. d4
8. exd4
9. Nxd4
10. Bb4
11. Nxc6
12. bxc6
13. Bc4
14. Nxe4
15. Be3
16. Nxc3
17. bxc3
18. Bxc3+
19. Kf1
20. Bxa1