[Event "2021 Autumn Marathon"] [Site "https://lichess.org/2rL7D3D2"] [Date "2021.10.23"] [White "ChessHobbits99"] [Black "Ignacio19770312"] [Result "0-1"] [UTCDate "2021.10.23"] [UTCTime "23:01:41"] [WhiteElo "2620"] [BlackElo "2291"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+10"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "180+2"] [ECO "B20"] [Opening "Sicilian Defense: Mengarini Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. a3 { B20 Sicilian Defense: Mengarini Variation } d6 3. b4 cxb4?! { (-0.37 → 0.54) Inaccuracy. Nf6 was best. } (3... Nf6 4. Nc3 a6 5. bxc5 dxc5 6. Rb1 Nc6 7. a4 e6 8. Bc4) 4. axb4 Nf6 5. Nc3 g6 6. d4 Bg7 7. f4 O-O 8. Nf3 Bg4 9. Be3 a6 10. Be2?! { (0.36 → -0.29) Inaccuracy. e5 was best. } (10. e5 Nh5 11. b5 Bh6 12. h3 Be6 13. d5 Bc8 14. g4 Ng3 15. Rg1 Nxf1 16. Rxf1 dxe5) 10... Nbd7? { (-0.29 → 0.82) Mistake. Nc6 was best. } (10... Nc6 11. e5) 11. O-O? { (0.82 → -0.53) Mistake. e5 was best. } (11. e5 Nh5 12. Nd2 Bxe2 13. Nxe2 Qb6 14. Ra3 dxe5 15. dxe5 Qxb4 16. Rb3 Qa4 17. O-O Qc6) 11... Bxf3?! { (-0.53 → 0.43) Inaccuracy. Rc8 was best. } (11... Rc8 12. Ra3) 12. Bxf3 e5 13. fxe5 dxe5 14. d5 Ne8 15. Na4 Nd6 16. Qd3 f5?! { (0.95 → 2.09) Inaccuracy. Qc7 was best. } (16... Qc7 17. Be2) 17. c4?? { (2.09 → 0.26) Blunder. Nc5 was best. } (17. Nc5 Qe7 18. Qb3 b5 19. Ne6 fxe4 20. Bg4 Rxf1+ 21. Rxf1 a5 22. bxa5 Rxa5 23. Be2 Kh8) 17... fxe4 18. Bxe4 Nxe4?? { (0.34 → 2.94) Blunder. Rxf1+ was best. } (18... Rxf1+ 19. Rxf1 a5 20. c5 axb4 21. cxd6 Rxa4 22. Qb5 Ra3 23. Bf2 b3 24. Qb4 Qa8 25. Bd3) 19. Qxe4 Nf6 20. Qxe5?! { (2.89 → 1.88) Inaccuracy. Qh4 was best. } (20. Qh4 e4) 20... Re8 21. Qg3?? { (2.50 → 0.13) Blunder. Qf4 was best. } (21. Qf4 Re4 22. Qf3 Qe8 23. Bc5 Qe5 24. d6 Ng4 25. g3 Qe6 26. Rad1 Qxc4 27. Nb6 Qa2) 21... Nh5 22. Qf3 Bxa1 23. Rxa1 Qf6 24. Qxf6 Nxf6 25. Bd4 Ng4?! { (0.26 → 0.95) Inaccuracy. Nd7 was best. } (25... Nd7) 26. h3?! { (0.95 → 0.00) Inaccuracy. Nc5 was best. } (26. Nc5 Re2 27. h3 Rd2 28. Ne6 Rxd4 29. Nxd4 Ne3 30. Rc1 b5 31. Ra1 Nxc4 32. Nxb5 Rb8) 26... Ne3 27. c5?? { (0.00 → -5.30) Blunder. Nb6 was best. } (27. Nb6 Rad8 28. Bc5 Nf5 29. Rd1 Nd6 30. Bxd6 Rxd6 31. c5 Rdd8 32. Rd4 Re2 33. d6 Kf7) 27... Nxd5 28. Rd1 Nxb4 29. Bf2 Rad8 30. Rb1 a5 31. h4 Re4 32. Rc1 Nd3 33. Ra1 Nxf2 34. Kxf2 Rd2+ 35. Kf3 Rxh4 36. Nc3 Rd3+ 37. Kf2 Rxc3 38. Rb1 Rxc5 39. Rxb7 Rb4 40. Ra7 Rb3 41. Kg1 Ra3 42. Kh2 a4 43. g3 Rh5+ 44. Kg2 Ra2+ 45. Kf3 Rf5+ 46. Kg4? { (-8.70 → Mate in 11) Checkmate is now unavoidable. Ke4 was best. } (46. Ke4) 46... h5+ 47. Kh3 a3 48. g4 Rf3+ 49. Kh4 hxg4?! { (Mate in 10 → -13.94) Lost forced checkmate sequence. Rg2 was best. } (49... Rg2 50. Kg5 Rf7 51. Rxf7 Kxf7 52. Kf4 Rxg4+ 53. Kf3 a2 54. Ke3 a1=Q 55. Ke2 Rg3 56. Kf2) 50. Kg5?! { (-13.94 → Mate in 25) Checkmate is now unavoidable. Rc7 was best. } (50. Rc7 g3) 50... Kf8?! { (Mate in 25 → -14.63) Lost forced checkmate sequence. g3 was best. } (50... g3) 51. Kxg4 Rf5 52. Ra6 Rg2+ 53. Kh4?! { (-66.11 → Mate in 1) Checkmate is now unavoidable. Kh3 was best. } (53. Kh3 Rg1 54. Kh2 Ra1 55. Ra8+ Kg7 56. Kg2 a2 57. Ra7+ Kh6 58. Ra8 Rh5 59. Kf2 Rah1) 53... Rh5# { Black wins by checkmate. } 0-1