3.Nc3 Nc6 4.d4 exd4 5.Nxd4 Bb4 6.Bg5: Petrov Defense line

Petrov Defense line, 11 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. Bg5
12. h6
13. Bh4
14. O-O
15. Nxc6
16. bxc6
17. Bd3
18. d5
19. O-O
20. Bxc3
21. bxc3
22. dxe4