Violent Queen Sacrifice to Punish Underdevelopment. Reiner vs Steinitz 1860

The first World Champion Wilhelm Steinitz is considered the father of positional chess. However, in his youth he played romantic chess. In this game his opponent fell behind in development, which let Steinitz carry out a deadly attack, which ended with a violent queen sacrifice and immediate checkmate. 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. O-O d6 6. c3 Bg4 7. Qb3 Bxf3 8. Bxf7+ Kf8 9. Bxg8 Rxg8 10. gxf3 g5 11. Qe6 Ne5 12. Qf5+ Kg7 13. Kh1 Kh8 14. Rg1 g4 15. f4 Nf3 16. Rxg4 Qh4 17. Rg2 Qxh2+ 18. Rxh2 Rg1+ 0-1