D6 Breakthrough: Vienna Gambit line

Engine-verified opening line.

1. e4
2. e5
3. Nc3
4. Nf6
5. f4
6. exf4
7. e5
8. Qe7
9. Qe2
10. Ng8
11. Nf3
12. Nc6
13. d4
14. d6
15. Nd5
16. Qd7
17. exd6+
18. Qe6
19. Nxc7+