[Event "Sydney Int Open 2025"] [Site "Sydney AUS"] [Date "2025.04.23"] [Round "1.2"] [White "Zhao Zong Yuan"] [Black "Han, Da"] [Result "1-0"] [WhiteTitle "GM"] [WhiteElo "2462"] [BlackElo "2140"] [ECO "D00"] [Opening "Queen's pawn, Mason variation"] [EventDate "2025.04.23"] [WhiteFideId "3202534"] [BlackFideId "4300025"] 1. d4 d5 2. Bf4 Nf6 3. e3 g6 4. Nc3 Bg7 5. Nb5 Na6 6. h3 O-O 7. Nf3 Ne4 8. Nd2 Nd6 9. c3 Nb8 10. a4 a6 11. Nxd6 cxd6 12. Be2 e5 13. Bh2 Qb6 14. b4 Be6 15. O-O Nd7 16. a5 Qc7 17. Qb3 Rfc8 18. Ra3 Nf6 19. Qb2 Nd7 20. b5 axb5 21. Qxb5 Nb8 22. Bf3 Nc6 23. Rfa1 Ne7 24. Be2 Ra6 25. Qb2 Ra7 26. Nf3 Nc6 27. Qb5 Rca8 28. a6 bxa6 29. Rxa6 Rxa6 30. Rxa6 Rxa6 31. Qxa6 h6 32. Qa3 Qb8 33. Bg3 Bf8 34. Qa6 Qc7 35. Bb5 Nb8 36. Qa8 Bg7 37. Kh2 Kh7 38. h4 Qb6 39. Qa4 Qc7 40. Qb4 Bg4 41. dxe5 dxe5 42. Qxg4 Qxc3 43. h5 Qc5 44. Be8 gxh5 45. Qf5+ Kh8 46. Nxe5 1-0