[Event "Australia Day Weekender"] [Site "?"] [Date "2021.01.22"] [Round "1"] [White "Dale, Ari"] [Black "Cheng, Chao Xin"] [Result "1-0"] [WhiteElo "2351"] [BlackElo "1444"] [Variant "Standard"] [TimeControl "-"] [ECO "D07"] [Opening "Queen's Gambit Declined: Chigorin Defense, Exchange Variation"] [Termination "Unknown"] [Annotator "lichess.org"] 1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5 { D07 Queen's Gambit Declined: Chigorin Defense, Exchange Variation } 4. e3 e5 5. Nc3 Bb4 6. a3 Bxc3+ 7. bxc3 Nf6 8. c4 Qd6 9. d5 Ne7 10. a4 Bf5 11. Ba3 Qd8 12. Nf3 e4?! { (1.33 → 2.10) Inaccuracy. O-O was best. } (12... O-O 13. Be2) 13. Nd4 Bg6?! { (2.52 → 3.56) Inaccuracy. c5 was best. } (13... c5 14. dxc6) 14. Qb3 O-O 15. Qxb7 a6 16. Be2 Re8 17. O-O Qd7 18. d6 cxd6 19. Qxd7 Nxd7 20. Bxd6 Nf5 21. c5 Nxd6 22. cxd6 Ne5 23. Rab1 Red8 24. h4 f6 25. Rb6 a5 26. Rc1 Be8 27. Rc7 Bxa4 28. Ne6 Rdc8 29. Rxg7+ Kh8 30. Rbb7 Bd7 31. Rbxd7 Nxd7 32. Rxd7 a4 33. Re7 a3 34. Bc4 Rxc4 35. d7 Rc1+ 36. Kh2 Rcc8 37. dxc8=Q+ Rxc8 38. Ra7 Re8 39. Nf4 Kg8 40. Rxa3 Re7 41. Nd5 Rf7 42. Ra6 Kg7 43. h5 Rf8 44. g4 h6 45. Ra7+ Kh8 46. Ne7 Re8 47. Nf5 Kg8 48. Nxh6+ Kh8 49. Nf5 Rg8 50. Kh3 Rg5?! { (11.54 → Mate in 10) Checkmate is now unavoidable. Rf8 was best. } (50... Rf8 51. Kh4) 51. Nd6? { (Mate in 10 → 9.96) Lost forced checkmate sequence. Rf7 was best. } (51. Rf7 Kg8 52. Rxf6 Kh7 53. Kh4 Rxf5 54. gxf5 Kh8 55. Kg5 Kg7 56. h6+ Kh7 57. Re6 Kg8) 51... Kg8 52. Nxe4 Re5?! { (11.15 → Mate in 10) Checkmate is now unavoidable. Rg7 was best. } (52... Rg7) 53. Nxf6+ Kh8 54. Rh7# { White wins. } 1-0