[Event "TORNEO RUMIÑAHUI 352 Arena"] [Site "https://lichess.org/y1DnSydX"] [Date "2023.10.16"] [White "CLAT22"] [Black "Sonic2010"] [Result "0-1"] [UTCDate "2023.10.16"] [UTCTime "20:59:40"] [WhiteElo "2355"] [BlackElo "1813"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+11"] [WhiteTitle "FM"] [Variant "Standard"] [TimeControl "300+2"] [ECO "D43"] [Opening "Semi-Slav Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 { D43 Semi-Slav Defense } 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 Nd7 8. cxd5 exd5 9. Bd3 Bd6 10. Rc1 O-O 11. Bb1 Nb6 12. Qc2 Qg6?? { (-0.66 → 1.67) Blunder. g6 was best. } (12... g6) 13. Qxg6 fxg6 14. Bxg6 Bg4 15. Nd2 Rf6 16. Bd3 Raf8 17. O-O Bf5 18. Bxf5 Rxf5 19. a4 Rh5?! { (1.27 → 1.90) Inaccuracy. a5 was best. } (19... a5) 20. g3 Rf6 21. a5 Nd7 22. Na4 a6 23. Nb3 Rg6 24. Nbc5 Nxc5 25. Nxc5 Bxc5 26. Rxc5 Rf6 27. Kg2 Kf8? { (2.38 → 4.23) Mistake. Rhf5 was best. } (27... Rhf5 28. g4) 28. Rc3? { (4.23 → 2.52) Mistake. e4 was best. } (28. e4 Re6) 28... Rf7 29. Rb3 Rhf5 30. Rc3 R5f6 31. f3 g5 32. Rcc1 Kg7 33. e4 Rd7?? { (1.66 → 4.14) Blunder. g4 was best. } (33... g4) 34. e5 Rf8 35. f4 gxf4 36. gxf4? { (4.58 → 2.52) Mistake. Rxf4 was best. } (36. Rxf4) 36... Kh7?? { (2.52 → 6.29) Blunder. Rdf7 was best. } (36... Rdf7 37. Kg3) 37. f5 Rg7+ 38. Kh3 Rg5 39. f6 Rfg8 40. f7?? { (6.81 → Mate in 1) Checkmate is now unavoidable. Rf4 was best. } (40. Rf4 Rh5+ 41. Rh4 Rf5 42. Rg4 Rxg4 43. Kxg4 Kg6 44. Rc3 h5+ 45. Kg3 Rg5+ 46. Kh3 Rf5) 40... Rh5# { Black wins by checkmate. } 0-1