Ke2 → Bf5# mate-in-12: Traxler Counterattack line

White centralises the king, straight into your firing line. The bishop seals the mate.

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. Ke2
14. Nd4+
15. Ke3
16. Qh4
17. g3
18. Nxg3
19. hxg3
20. Qxg3+
21. Ke4
22. d5+
23. Bxd5
24. Bf5#