[Event "Canadian op"]
[Site "Calgary"]
[Date "2023.07.24"]
[Round "4"]
[White "Shirov, Alexei"]
[Black "Atanasov, Anthony"]
[Result "1-0"]
[WhiteElo "2668"]
[BlackElo "2367"]

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. Re1 Bf5 10. Qb3 Qd7 11. c5 Bc7 12. Nbd2 Re8 13. Nh4 Be6 14. Qc2 f5 15. f3 Qd8 16. g3 Nxg3 17. hxg3 Bxg3 18. Rxe6 Rxe6 19. Nxf5 Bf4 20. Nb3 Rg6+ 21. Kf2 Bxc1 22. Qxc1 Na6 23. Qe3 Kf8 24. Rh1 Nb4 25. Bb1 Qg5 26. Qxg5 Rxg5 27. a3 Na6 28. f4 Rg4 29. Kf3 Rg6 30. Rxh7 Kg8 31. Ne7+ Kxh7 32. Bxg6+ Kh6 33. Na5 Rb8 34. Kg4 Nc7 35. f5 1-0