This game actually ended after Black's 23...Rf3, when Shirov resigned.

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6 9. Qc2 Na6 10. a3 Bg4 11. Ne5 Bf5 12. b4 f6 13. Nf3 Qe8 14. b5 Qh5 15. bxa6 Bg4 16. Re1 Bxf3 17. gxf3 Qxh2+ 18. Kf1 f5 19. cxd5 cxd5 20. fxe4 fxe4 21. Bxe4 dxe4 22. Be3 Bg3 23. Ra2 Rf3 0-1. 23... Rf3 Shown here are a few variations proposed by Fritz 8 as possible followups. The mainline is 24.Qc4+. 24. Qc4+ (24. Qb3+ Kh8 25. Nc3 Qh1+ 26. Ke2 Rxe3+ 27. Kxe3 Bf4+ 28. Ke2 Qf3+ 29. Kf1 Qh3+ 30. Kg1 Rf8 31. Nxe4 (31. Qb2 Bh2+ 32. Kh1 Qf3+ 33. Kxh2 Rf6 34. Qd2 Rg6 and mate in 2) 31... Qxb3 winning) (24. Qxe4 Qh1+ 25. Ke2 Rxf2+ 26. Kd3 Qxe4+ 27. Kxe4 Re8+ 28. Kd3 Rxa2 29. Rc1 bxa6 30. d5 h5 31. Bc5 Rg2 32. Be3 Rb2 33. Bd4 Rb3+ 34. Nc3 Rxa3 35. Kc2 Rc8 36. Kb2 Ra5 37. Rg1 h4 38. Kb3 Rb8+ 39. Kc4 g5 40. Bxa7 Rb7 41. Bd4 g4 42. d6 Kf7 43. Rf1+ Ke8 44. Rf6 h3 45. Ne4 Be1 46. Bc5 Rh7 47. Re6+ Kd7 48. Re7+ Rxe7 49. Nf6+ Kc6 50. dxe7 Rxc5+ 51. Kd4 Bc3+ 52. Kd3 Re5 Fritz score: -13.56 at depth 16) 24... Kh8 25. Nc3 Two variations now. The mainline 25...Qh3+, or 25...b5. 25... Qh3+ (25... b5 26. Qb3 (26. Qxb5? Fritz 8: 26... Qh1+ 27. Ke2 Rxe3+ 28. Kxe3 Qxe1+ 29. Ne2 Bxf2+ 30. Kf4 Qh1 31. Qd7 Qh4+ 32. Ke5 Rd8 33. Qxd8+ Qxd8 34. Rb2 Qe8+ 35. Kf4 [Fritz 8: -5.72,15]) 26... Qh1+ 27. Ke2 Rxe3+ 28. Kxe3 Qxe1+ 29. Re2 Bxf2+ 30. Kxe4 Qh1+ 31. Kd3 Qf3+ 32. Kc2 Rc8 33. Kb1 Bxd4 34. Qxb5 Qf8 Now the queen goes (for a rook) or the knight is lost without compensation 35. Ka2 (35. Nd1 Rb8) 35... Bxc3) 26. Ke2 Bxf2 27. Bxf2 Rxc3 28. axb7 Rf8 29. Qxc3 (Fritz 8: 1) 29. Qxc3 Qxc3 30. Kf1 Qb3 31. Rae2 Qxb7 32. Rxe4 Qb2 33. R1e2 Qxa3 34. R4e3 Qd6 35. Kg1 a5 36. Rd2 a4 37. Bg3 Qb4 38. Rdd3 h5 39. Be1 Qb5 40. Bg3 Kh7 41. Kh2 Qb2+ 42. Kg1 Qb1+ 43. Be1 Rb8 44. Kg2 Rb3 45. Rc3 Qg6+ 46. Kf1 Qf6+ 47. Rf3 Qxd4 48. Rfd3 Qxd3+ 49. Rxd3 Rxd3 Fritz 8: 50. Bb4 [Fritz 8: -16.50,15]) (Fritz 8: 2) 29. b8=Q Rxb8 30. Qxc3 Qxc3 31. Kf1 Qh3+ 32. Kg1 Rb6 33. Re3 Rg6+ 34. Bg3 Rxg3+ 35. Rxg3 Qxg3+ 36. Kf1 h5 37. Re2 [Fritz 8: -7.44,12]) 29... Qxc3 30. Kf1 0-1 [Fritz 8]