3...a6 4.Ba4 b5 5.Bb3 d6 6.a4 b4: Ruy Lopez (Spanish Opening) line

Ruy Lopez line, 8 moves deep. You play White.

1. e4
2. e5
3. Nf3
4. Nc6
5. Bb5
6. a6
7. Ba4
8. b5
9. Bb3
10. d6
11. a4
12. b4
13. a5
14. Nf6
15. Qe2