[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.22"]
[Round "4"]
[White "Shirov, Alexei"]
[Black "Matsuura, Frederico"]
[Result "1-0"]
[WhiteElo "2677"]
[BlackElo "2272"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Be2 cxd4 7. cxd4 Bb5 8. Bxb5+ Qxb5 9. Nc3 Qa6 10. a4 Nc6 11. Nb5 Qb6 12. h4 a6 13. Nc3 h5 14. O-O Nge7 15. Ra3 Nf5 16. Rb3 Qa7 17. Ne2 Be7 18. Bg5 Bxg5 19. hxg5 g6 20. Qd2 Rc8 21. Rc1 Kd7 22. a5 Rc7 23. Rb6 Rhc8 24. Rc5 Kd8 25. b4 Nb8 26. Ng3 Rxc5 27. dxc5 Nxg3 28. fxg3 Nc6 29. Qf4 Ke8 30. Qf6 Qb8 31. b5 axb5 32. a6 Nd8 33. axb7 Rc7 34. Qh8+ Ke7 35. Qf6+ Ke8 36. Nd4 Rxb7 37. Qh8+ Ke7 38. Qf6+ Ke8 39. Rd6 Rc7 40. Qh8+ Ke7 41. Qf6+ Ke8 42. Nxb5 Rxc5 43. Qh8+ Ke7 44. Qf6+ Ke8 45. Rxd8+ Qxd8 46. Nd6+ Kd7 47. Qxd8+ Kxd8 48. Nb7+ 1-0