3...Nd4 4.Nxd4 exd4 5.O-O Qg5: Ruy Lopez (Spanish Opening) line

Ruy Lopez line, 10 moves deep. You play White.

1. e4
2. e5
3. Nf3
4. Nc6
5. Bb5
6. Nd4
7. Nxd4
8. exd4
9. O-O
10. Qg5
11. Bc4
12. d6
13. d3
14. Qg6
15. f4
16. Bh3
17. Qf3
18. Bg4
19. Qf2