[Event "IMA 690"] [Site "https://lichess.org/1cVd8RNR"] [Date "2022.03.16"] [White "inbestigator"] [Black "JiErEn2222"] [Result "1-0"] [UTCDate "2022.03.16"] [UTCTime "09:20:27"] [WhiteElo "1670"] [BlackElo "1968"] [WhiteRatingDiff "+10"] [BlackRatingDiff "-10"] [Variant "Standard"] [TimeControl "600+2"] [ECO "D33"] [Opening "Tarrasch Defense: Dubov Tarrasch"] [Termination "Normal"] [Annotator "lichess.org"] 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 e6 5. Bg2 d5 6. cxd5 exd5 7. d4 cxd4 8. Nxd4 Bc5 { D33 Tarrasch Defense: Dubov Tarrasch } 9. Nf3?! { (0.59 → -0.21) Inaccuracy. Nb3 was best. } (9. Nb3 Bb6 10. O-O d4 11. Na4 O-O 12. Bg5 Re8 13. Re1 h6 14. Bxf6 Qxf6 15. Nxb6 axb6) 9... O-O 10. O-O Bf5 11. Bg5 d4 12. Na4 Bb4?! { (-0.43 → 0.31) Inaccuracy. Be7 was best. } (12... Be7 13. Rc1 h6 14. Bxf6 Bxf6 15. Nc5 Qe7 16. Qb3 b6 17. Nd3 Rac8 18. Nf4 Rfd8 19. Rxc6) 13. a3 Be7 14. b4 b5?! { (0.00 → 1.07) Inaccuracy. h6 was best. } (14... h6 15. Bf4) 15. Nb2?! { (1.07 → 0.00) Inaccuracy. Rc1 was best. } (15. Rc1 Rc8) 15... Rc8 16. Re1 Qd7? { (-0.46 → 0.69) Mistake. a5 was best. } (16... a5 17. bxa5) 17. e3?? { (0.69 → -1.37) Blunder. Nd3 was best. } (17. Nd3 h6 18. Bxf6 Bxf6 19. Qd2 a5 20. bxa5 Qa7 21. Rab1 Nxa5 22. Rxb5 Nc4 23. Qb4 Be4) 17... dxe3? { (-1.37 → 0.00) Mistake. d3 was best. } (17... d3 18. Nd4 Nxd4 19. exd4 d2 20. Bxd2 Rc2 21. Bc1 Rfc8 22. Bf1 Ng4 23. Nd3 Bxd3 24. Qxd3) 18. Rxe3? { (0.00 → -1.64) Mistake. Bxe3 was best. } (18. Bxe3 a5) 18... Qxd1+? { (-1.64 → -0.22) Mistake. h6 was best. } (18... h6 19. Qxd7) 19. Rxd1 Rfd8 20. Rde1?! { (-0.16 → -1.25) Inaccuracy. Rxd8+ was best. } (20. Rxd8+ Bxd8 21. Re1 h6 22. Bf4 g5 23. Be3 Nd5 24. Bc5 Bf6 25. Nd1 Be6 26. Nd2 Nd4) 20... Re8?? { (-1.25 → 0.60) Blunder. h6 was best. } (20... h6 21. Ne5) 21. Bxf6 gxf6 22. Nd3 Bxd3 23. Rxd3 Rcd8?? { (1.00 → 4.89) Blunder. Bf8 was best. } (23... Bf8 24. Rxe8 Rxe8 25. Rc3 Re6 26. Bf1 a6 27. Kg2 Rd6 28. Nh4 Nd4 29. Rc5 f5 30. Nxf5) 24. Rde3?? { (4.89 → 1.31) Blunder. Rxd8 was best. } (24. Rxd8 Rxd8 25. Nh4 Ne5 26. f4 a5 27. Nf5 Bf8 28. fxe5 axb4 29. axb4 Bxb4 30. Rb1 Bc5+) 24... Kf8 25. Nh4?! { (1.15 → 0.59) Inaccuracy. Rc3 was best. } (25. Rc3 Rd6) 25... Bd6?? { (0.59 → 7.30) Blunder. Nd4 was best. } (25... Nd4 26. Bf1) 26. Nf5?? { (7.30 → 1.12) Blunder. Rxe8+ was best. } (26. Rxe8+ Rxe8) 26... Bb8?? { (1.12 → 8.06) Blunder. Rxe3 was best. } (26... Rxe3) 27. Bxc6 Re5 28. Rxe5 fxe5 29. Bxb5 f6 30. Be2 Kf7 31. Rd1 Rc8 32. Nd6+ Bxd6 33. Rxd6 Ke7 34. Ra6 Rc7 35. Bd3 Rd7 36. Bxh7 Rd1+ 37. Kg2 Rd7 38. Bf5 Rc7 39. Be4 Kf7 40. Rc6 Rd7 41. a4 Rb7 42. Rxf6+ Kxf6 43. Bxb7 Ke6 44. b5 Kd6 45. a5 Kc5 46. b6 axb6 47. axb6 Kxb6 48. Be4 Kc5 49. f3 Kd4?! { (77.30 → Mate in 13) Checkmate is now unavoidable. Kd6 was best. } (49... Kd6 50. Kh3) 50. h3?! { (Mate in 13 → 77.13) Lost forced checkmate sequence. h4 was best. } (50. h4 Kc5 51. h5 Kd4 52. h6 Kc5 53. h7 Kb6 54. g4 Ka5 55. h8=Q Ka6 56. Qxe5 Kb6) 50... Ke3?! { (77.13 → Mate in 14) Checkmate is now unavoidable. Kc5 was best. } (50... Kc5 51. h4) 51. g4 Ke2 52. Kg3 Ke3 53. h4 Ke2 54. g5 Ke3 55. h5 Ke2 56. g6 Ke3 57. g7 Ke2 58. g8=Q Ke3 59. Qb3+ Ke2 60. Qd3+ Ke1 61. Qb1+ Ke2 62. Bd3+ Kd2 63. Qc2+ Ke1 64. Qe2# { White wins by checkmate. } 1-0