[Event "Under 10 Terafinal Preliminary"] [Site "https://lichess.org/YOwvbyoa"] [Date "2021.09.04"] [White "Jiarui"] [Black "Martian99"] [Result "0-1"] [UTCDate "2021.09.04"] [UTCTime "09:00:00"] [WhiteElo "2110"] [BlackElo "1876"] [WhiteRatingDiff "-9"] [BlackRatingDiff "+15"] [Variant "Standard"] [TimeControl "600+5"] [ECO "B13"] [Opening "Caro-Kann Defense: Exchange Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6 { B13 Caro-Kann Defense: Exchange Variation } 5. Nc3 Bg4 6. Be2 e6 7. Be3 Bb4 8. h3 Bh5 9. a3?! { (-0.34 → -0.96) Inaccuracy. O-O was best. } (9. O-O) 9... Ba5?! { (-0.96 → -0.23) Inaccuracy. Bxc3+ was best. } (9... Bxc3+ 10. bxc3 Nf6 11. Nd2 Bxe2 12. Qxe2 O-O 13. O-O Rc8 14. c4 dxc4 15. Qxc4 Qd7 16. Qd3) 10. Bb5?! { (-0.23 → -0.87) Inaccuracy. O-O was best. } (10. O-O Nge7 11. Na4 Bc7 12. Nc5 b6 13. Na6 Bd6 14. c3 O-O 15. Nb4 Nxb4 16. axb4 a5) 10... a6?! { (-0.87 → -0.29) Inaccuracy. Ne7 was best. } (10... Ne7 11. O-O Bxc3 12. bxc3 O-O 13. Bd3 h6 14. Rb1 Na5 15. g4 Bg6 16. Bd2 Rc8 17. Qe2) 11. Ba4?? { (-0.29 → -2.59) Blunder. Bxc6+ was best. } (11. Bxc6+) 11... b5 12. Bb3 Nge7?! { (-2.48 → -1.34) Inaccuracy. Nf6 was best. } (12... Nf6 13. O-O) 13. O-O O-O 14. Nb1? { (-1.39 → -2.98) Mistake. g4 was best. } (14. g4 Bg6 15. Ne2 Be4 16. Ng5 Bc7 17. c3 Bg6 18. Bf4 Na5 19. Nf3 Nc4 20. Qc1 a5) 14... Bb6? { (-2.98 → -1.46) Mistake. f5 was best. } (14... f5 15. Bd2 Bb6 16. Bc3 Bxf3 17. Qxf3 Nxd4 18. Bxd4 Bxd4 19. c3 Bf6 20. a4 b4 21. c4) 15. c3 Nf5 16. Bf4 Nd6?! { (-1.21 → -0.44) Inaccuracy. Qf6 was best. } (16... Qf6 17. Bh2 Nh4 18. Nbd2 Nxf3+ 19. Nxf3 Bxf3 20. Qxf3 Qxf3 21. gxf3 Na5 22. Bd1 Rfc8 23. Bg3) 17. Nbd2 Re8 18. Qc2 Bg6 19. Qd1 Bc7 20. Bc2 Bxc2 21. Qxc2 h6 22. Rfe1 Nc4 23. Bxc7 Qxc7 24. Nxc4?! { (-0.17 → -0.93) Inaccuracy. Rec1 was best. } (24. Rec1) 24... bxc4 25. Re2 e5?! { (-1.08 → 0.00) Inaccuracy. Reb8 was best. } (25... Reb8 26. Qc1) 26. dxe5 Nxe5 27. Nxe5 Rxe5 28. Rae1 Rae8 29. Rxe5 Rxe5 30. Rxe5 Qxe5 31. Qd2 Kh7 32. Qe3?? { (-0.12 → -5.11) Blunder. h4 was best. } (32. h4 g5 33. hxg5 hxg5 34. f3 Kg6 35. Qc2+ Kg7 36. Qd2 a5 37. a4 Kg6 38. Qf2 f6) 32... Qxe3 33. fxe3 Kg6 34. Kf2 Kf5 35. Kf3 h5 36. g3 g5 37. Ke2 Ke4 38. g4 h4 39. a4 a5 40. Kf2 Kd3 41. Kf3 Kc2 42. e4 dxe4+ 43. Kxe4 Kxb2 44. Kd4 Kb3 45. Kc5 Kxc3 46. Kb5 Kd3 47. Kxa5 c3 48. Kb5?! { (-74.54 → Mate in 18) Checkmate is now unavoidable. Kb6 was best. } (48. Kb6 c2) 48... c2 49. a5 c1=Q 50. a6 Qa3?! { (Mate in 6 → -80.89) Lost forced checkmate sequence. Kd4 was best. } (50... Kd4 51. Kb6 Kd5 52. Kb7 Qc6+ 53. Kb8 Qb6+ 54. Ka8 Kc6 55. a7 Qb7#) 51. Kb6 Ke3?! { (Mate in 16 → -73.43) Lost forced checkmate sequence. Qd6+ was best. } (51... Qd6+ 52. Kb7 Qd7+ 53. Kb6 Qc8 54. a7 Qa8 55. Kc5 Qxa7+ 56. Kc6 Qe3 57. Kd6 Qxh3 58. Ke7) 52. a7 Kf3 53. Kb7 Kg3 54. a8=Q Qxa8+ 55. Kxa8 Kxh3 56. Kb8 Kxg4 57. Kc7 h3 58. Kd7 h2 59. Ke7 h1=Q 60. Kxf7 Qf3+ 61. Kg6 Qf5+ 62. Kh6 Qf6+ 63. Kh7 Qa6 64. Kg7 Kf5 65. Kf7 Qa7+ 66. Kg8 Kg6 67. Kf8 Qf7# { Black wins by checkmate. } 0-1