[Event "2024 Spring Marathon"] [Site "https://lichess.org/10NCrgle"] [Date "2024.05.11"] [White "Osamodas"] [Black "MastaIgwe"] [Result "0-1"] [UTCDate "2024.05.11"] [UTCTime "13:49:56"] [WhiteElo "1938"] [BlackElo "1616"] [WhiteRatingDiff "-14"] [BlackRatingDiff "+10"] [Variant "Standard"] [TimeControl "300+0"] [ECO "D55"] [Opening "Queen's Gambit Declined: Modern Variation, Normal Line"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 O-O 6. e3 { D55 Queen's Gambit Declined: Modern Variation, Normal Line } c6 7. cxd5 exd5 8. Bd3 Bg4 9. O-O Nbd7 10. Rc1 Re8 11. Bb1 Nf8 12. h3 Bh5 13. g4 Bg6 14. Ne5 Bxb1 15. Rxb1 Ng6 16. Nxg6 hxg6 17. Qb3 Qb6 18. Qc2 Bd6 19. f4?? { (-0.14 → -3.67) Blunder. Bxf6 was best. } (19. Bxf6 gxf6 20. Kg2 Qd8 21. Qe2 Kg7 22. Rh1 Rh8 23. h4 Qd7 24. Qf3 Rh6) 19... Rxe3 20. f5?! { (-3.65 → -5.73) Inaccuracy. Qd2 was best. } (20. Qd2 Rae8 21. Kg2 Bb4 22. f5 Bxc3 23. bxc3 Re2+ 24. Kg1 Rxd2 25. Rxb6 axb6) 20... Qxd4 21. Bxe3 Qxe3+ 22. Qf2 Qxh3 23. Ne2 Nxg4 24. Qg2?? { (-5.73 → Mate in 16) Checkmate is now unavoidable. Nf4 was best. } (24. Nf4 Nxf2 25. Nxh3 Nxh3+ 26. Kg2 Nf4+ 27. Rxf4 Bxf4 28. fxg6 fxg6 29. Re1 Bg5) 24... Bc5+ 25. Rf2 Bxf2+ 26. Kf1? { (-7.90 → Mate in 8) Checkmate is now unavoidable. Qxf2 was best. } (26. Qxf2 Nxf2 27. Kxf2 Qxf5+ 28. Kg2 Qxb1 29. Ng3 Qxa2 30. Nf1 Qxb2+ 31. Kh1 Qf6) 26... Ne3+ 27. Kxf2 Nxg2? { (Mate in 7 → -7.56) Lost forced checkmate sequence. Qxg2+ was best. } (27... Qxg2+ 28. Ke1 Re8 29. Kd2 Nc4+ 30. Kc3 Qf3+ 31. Kb4 a5+ 32. Kc5 Qe3+ 33. Nd4) 28. Rg1? { (-7.56 → Mate in 9) Checkmate is now unavoidable. Rf1 was best. } (28. Rf1 Qh2 29. Nd4 Nh4+ 30. Ke1 Qxb2 31. Rf2) 28... Nh4 29. Ke1 Re8 30. Kd2 Qe3+ 31. Kc2 Qxe2+ 32. Kb3 Qe3+ 33. Ka4 Qxg1 34. fxg6 Re4+ 35. b4 Qe3 36. gxf7+ Kxf7 37. a3 Qc3 38. Ka5 b6+ 39. Ka6 Qxa3+ 40. Kb7 Qxb4 41. Kxc6 a5 42. Kb7 a4 43. Kc6 a3 44. Kb7 a2 45. Kc6 Qc4+ 46. Kb7 a1=Q 47. Kxb6 Qaa6# { Black wins by checkmate. } 0-1