2...e5 3.dxe5 d4 4.Nf3 Nc6 5.a3 a5: Queen's Gambit line

Queen's Gambit line, 9 moves deep. You play White.

1. d4
2. d5
3. c4
4. e5
5. dxe5
6. d4
7. Nf3
8. Nc6
9. a3
10. a5
11. e3
12. Bc5
13. exd4
14. Nxd4
15. Be3
16. Nxf3+
17. Qxf3