3...d6 4.d4 exd4 5.Nxd4 Bd7 6.Nc3 a6: Ruy Lopez (Spanish Opening) line

Ruy Lopez line, 11 moves deep. You play White.

1. e4
2. e5
3. Nf3
4. Nc6
5. Bb5
6. d6
7. d4
8. exd4
9. Nxd4
10. Bd7
11. Nc3
12. a6
13. Bxc6
14. bxc6
15. O-O
16. Nf6
17. Qf3
18. Be7
19. e5
20. dxe5
21. Nxc6