Traxler Venom: Traxler Counterattack line

Engine-verified opening line.

1. e4
2. e5
3. Nf3
4. Nc6
5. Bc4
6. Nf6
7. Ng5
8. Bc5
9. Nxf7
10. Bxf2+
11. Kxf2
12. Nxe4+
13. Kg1
14. Qh4
15. Qe2
16. Nd4
17. Qf1
18. Rf8
19. d3
20. b5
21. Bd5
22. Bb7