Black quit before the coup de grace

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 { Philidor Defence, Exchange Variation } c5 5. Nf3 Bg4 6. Bb5+ Nc6 7. Be3 Qa5+ 8. Nc3 Nf6 9. Bxc6+ bxc6 10. O-O Be7 11. Bd2 O-O 12. Nd5 Qd8 13. Nxe7+ Qxe7 14. Bc3 Nxe4 15. Re1 d5 16. Qe2 a5 17. Qe3 Rfe8 18. Ne5 d4 19. Qxe4 dxc3 20. Qxg4 cxb2 21. Rab1 Rab8 22. Qc4 Rb4 23. Qc3 Qf6 24. Rxb2 Rxb2 25. Qxb2 Qd6 26. Qc3 f6 27. Qc4+ Kh8 28. Nf7+ { Black leaves the game } 1-0