3...a6 … 6.Bb3 Bg4 7.h3 Bh5: 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. a6
7. Ba4
8. d6
9. Nc3
10. b5
11. Bb3
12. Bg4
13. h3
14. Bh5
15. Nxe5
16. Bxd1
17. Bxf7+
18. Ke7
19. Nd5#