3...Nd4 4.Nxd4 exd4 5.O-O Bc5 6.Bc4 d6: 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. Nd4
7. Nxd4
8. exd4
9. O-O
10. Bc5
11. Bc4
12. d6
13. d3
14. Nf6
15. Bg5
16. h6
17. Bh4
18. g5
19. Bg3
20. Bg4
21. Qe1