[Event "2023 Winter Marathon"] [Site "https://lichess.org/vN2gNJCG"] [Date "2023.12.29"] [White "Sahaya_16"] [Black "dlO_Qlb"] [Result "0-1"] [UTCDate "2023.12.29"] [UTCTime "09:13:54"] [WhiteElo "2644"] [BlackElo "2288"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+10"] [Variant "Standard"] [TimeControl "180+0"] [ECO "B23"] [Opening "Sicilian Defense: Closed"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nc3 { B23 Sicilian Defense: Closed } d6 3. g3 a6 4. a4 e6 5. Bg2 b6 6. Nge2 Bb7 7. O-O Ne7 8. d4 cxd4 9. Nxd4 Nbc6 10. Re1?! { (0.95 → 0.14) Inaccuracy. Be3 was best. } (10. Be3 h5) 10... Nxd4 11. Qxd4 Nc6 12. Qd2 Qc7?! { (0.27 → 0.83) Inaccuracy. Be7 was best. } (12... Be7 13. b3) 13. b3 Be7 14. Bb2 Bf6?! { (0.17 → 0.90) Inaccuracy. O-O was best. } (14... O-O) 15. Nd5?? { (0.90 → -0.84) Blunder. Rad1 was best. } (15. Rad1) 15... exd5 16. exd5+ Ne7 17. Bxf6 gxf6 18. c4?! { (-0.87 → -1.58) Inaccuracy. h4 was best. } (18. h4 h5) 18... O-O-O?? { (-1.58 → 1.57) Blunder. O-O was best. } (18... O-O 19. h4 Rae8 20. Qh6 Nf5 21. Qxf6 Ng7 22. Re4 Rxe4 23. Bxe4 Qd8 24. Qxd8 Rxd8 25. a5) 19. Qf4?? { (1.57 → -1.03) Blunder. a5 was best. } (19. a5) 19... Ng6 20. Qxf6 Rhe8 21. a5 Kb8? { (-1.42 → -0.14) Mistake. Rxe1+ was best. } (21... Rxe1+) 22. axb6 Qxb6 23. h4?! { (-0.13 → -1.13) Inaccuracy. Rec1 was best. } (23. Rec1) 23... Ne5 24. Reb1?! { (-1.17 → -2.06) Inaccuracy. h5 was best. } (24. h5) 24... Ng4 25. Qf4?! { (-1.48 → -2.15) Inaccuracy. Qf5 was best. } (25. Qf5 Re2) 25... Ne5?? { (-2.15 → 1.47) Blunder. Re2 was best. } (25... Re2 26. Rf1 Ne5 27. Rab1 Rc8 28. Bh3 Rc7 29. Bf5 Bc8 30. h5 Kb7 31. Bxh7 Bh3) 26. b4 Nd3?! { (1.83 → 3.13) Inaccuracy. Ka7 was best. } (26... Ka7 27. c5 dxc5 28. bxc5 Qxc5 29. Qa4 Bc8 30. Qb3 Qd6 31. Qe3+ Ka8 32. Rb6 Nc4 33. Rxd6) 27. Qf3?? { (3.13 → -0.60) Blunder. Qd2 was best. } (27. Qd2 Qd4 28. Ra3 Nf4 29. Qxf4 Qxf4 30. gxf4 Re2 31. c5 Rde8 32. Rg3 Bc8 33. cxd6 Rd2) 27... Nxb4 28. Ra4 a5 29. Rba1 Rc8 30. Rxa5 Rxc4 31. Qxf7?! { (-0.56 → -1.12) Inaccuracy. Bf1 was best. } (31. Bf1 Rc5 32. Rxc5 Qxc5 33. Qxf7 Rd8 34. Bg2 Nd3 35. Rb1 Qc7 36. Qf6 Re8 37. Qd4 Nc5) 31... Rcc8 32. Qxh7 Rf8 33. Kh1?! { (-1.42 → -2.41) Inaccuracy. Qd7 was best. } (33. Qd7 Ba6 34. Kh1 Rxf2 35. R5a4 Rfc2 36. h5 Bb7 37. Kh2 Nd3 38. R4a2 Ne5 39. Qe7 Qb4) 33... Rxf2?! { (-2.41 → -1.25) Inaccuracy. Nc2 was best. } (33... Nc2 34. R1a2 Rxf2 35. Qe4 Rcf8 36. Ra7 Qb5 37. R7a5 Qb1+ 38. Kh2 Qe1 39. Qxe1 Nxe1 40. Kg1) 34. Qe7?? { (-1.25 → -5.39) Blunder. Qd7 was best. } (34. Qd7) 34... Rxg2 35. Kxg2 Nxd5 36. Qf7?? { (-5.68 → Mate in 4) Checkmate is now unavoidable. Qxb7+ was best. } (36. Qxb7+ Qxb7 37. R5a2 Nb4+ 38. Kh2 Rc2+ 39. Rxc2 Nxc2 40. Ra2 Ne3 41. Re2 Ng4+ 42. Kh3 Qf3) 36... Nf4+ 37. Kf1 Bg2+ 38. Ke1 Qe3+ 39. Kd1 Bf3# { Black wins by checkmate. } 0-1