[Event "2024 Spring Marathon"] [Site "https://lichess.org/Nva0RwMi"] [Date "2024.05.11"] [White "j_coca"] [Black "EricRosen"] [Result "0-1"] [UTCDate "2024.05.11"] [UTCTime "08:41:46"] [WhiteElo "2361"] [BlackElo "2541"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+3"] [WhiteTitle "FM"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "300+0"] [ECO "A02"] [Opening "Bird Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. f4 { A02 Bird Opening } g6 2. Nf3 Bg7 3. g3 d5 4. Bg2 b6 5. O-O Bb7 6. c3 Nh6 7. d4 O-O 8. Nbd2?! { (-0.27 → -0.89) Inaccuracy. Ne5 was best. } (8. Ne5 e6) 8... Nf5 9. Nb3 a5 10. Qd3? { (-0.84 → -2.03) Mistake. a4 was best. } (10. a4 Nd7 11. Ne5 Qc8 12. Qe1 Nf6 13. g4 Nd6 14. f5 gxf5 15. gxf5 Nfe4) 10... Ba6 11. Qc2 a4 12. Nbd2 Ne3 13. Qb1?! { (-2.01 → -3.08) Inaccuracy. Qxa4 was best. } (13. Qxa4 c5 14. b4 Nxf1 15. Bxf1 Qd7 16. Qb3 cxb4 17. cxb4 Bb5 18. Ne5 Ba4) 13... Nxf1 14. Bxf1 Nd7 15. e4 dxe4 16. Bxa6 Rxa6 17. Nxe4 Nf6 18. Neg5 h6 19. Nh3 Qd5 20. Qd3 b5 21. Nf2 c5 22. Kg2?! { (-2.94 → -3.81) Inaccuracy. dxc5 was best. } (22. dxc5 Qxc5 23. Be3 Qd5 24. Bd4 a3 25. b3 Rd8 26. Re1 Qb7 27. Ne5 Rad6) 22... Rd8 23. Be3 Re6 24. Rd1 c4 25. Qd2 Ne4?! { (-4.21 → -3.06) Inaccuracy. a3 was best. } (25... a3 26. bxa3 Ra8 27. f5 gxf5 28. Rf1 Ng4 29. Nd1 Rxa3 30. Kg1 Qa8 31. d5) 26. Nxe4 Qxe4 27. Kf2 Qd5? { (-3.67 → -1.92) Mistake. a3 was best. } (27... a3 28. bxa3 Ra6 29. Qb2 Rda8 30. Bc1 Rxa3 31. Qxa3 Rxa3 32. Bxa3 Qc2+ 33. Rd2) 28. Re1?! { (-1.92 → -3.21) Inaccuracy. a3 was best. } (28. a3 f6 29. Qc2 g5 30. Qg6 Red6 31. h3 Rf8 32. Re1 Qf7 33. Qxf7+ Kxf7) 28... Rb8? { (-3.21 → -1.73) Mistake. a3 was best. } (28... a3 29. bxa3 Ra8 30. Qb2 Rea6 31. Bc1 e6 32. g4 Bf8 33. Re5 Bxa3 34. Qb1) 29. a3 Rd8 30. Qc2 Bf6 31. h4 Kg7 32. g4 Kg8 33. f5? { (-1.69 → -3.17) Mistake. Kg3 was best. } (33. Kg3 Bg7 34. g5 Kf8 35. Ne5 Ke8 36. Qf2 hxg5 37. hxg5 Bxe5 38. fxe5 Kd7) 33... gxf5 34. gxf5 Qe4 35. Rg1+ Kh8 36. Qxe4 Rxe4 37. Bxh6 Bxh4+ 38. Nxh4 Rxh4 39. Bg7+ Kh7 40. Be5 f6 41. Bg3 Rh5 42. Ke3 Rxf5 43. Rh1+ Kg6 44. Ke4 Rh5 45. Rg1 Rg5 46. Kf3 Rh8 47. d5 Rxd5 48. Be5+ Kf7 49. Bd4 e5 50. Ke4 Rdd8 51. Bf2?! { (-5.25 → -6.91) Inaccuracy. Bxe5 was best. } (51. Bxe5 Rde8 52. Kd5 Rxe5+ 53. Kc6 Rh6 54. Kd6 Rh2 55. Rb1 Rg2 56. Rh1 Rxb2) 51... Ke6 52. Rg6 Rd3 53. b4?! { (-6.27 → -9.68) Inaccuracy. Be3 was best. } (53. Be3 Rh2 54. Kf3 Kf5 55. Rg1 Rh3+ 56. Kg2 Rhxe3 57. Rf1+ Ke4 58. Rxf6 Re2+) 53... axb3 54. a4? { (-7.24 → Mate in 7) Checkmate is now unavoidable. Be3 was best. } (54. Be3 Rh4+ 55. Kf3 b2 56. Rg1 Rh3+ 57. Kf2 Rdxe3 58. Rb1 Rxc3 59. Kg2 Rc2+) 54... Rg8 55. Rxg8 f5# { Black wins by checkmate. } 0-1