[Event "Rated classical game"] [Site "https://lichess.org/79UIoZ2u"] [Date "2021.05.09"] [White "javanmardi1349"] [Black "KaranChess"] [Result "0-1"] [UTCDate "2021.05.09"] [UTCTime "15:58:59"] [WhiteElo "1932"] [BlackElo "1898"] [WhiteRatingDiff "-13"] [BlackRatingDiff "+29"] [Variant "Standard"] [TimeControl "1800+20"] [ECO "E43"] [Opening "Nimzo-Indian Defense: St. Petersburg Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd3 O-O 7. O-O c5 { E43 Nimzo-Indian Defense: St. Petersburg Variation } 8. a3 Bxc3 9. bxc3 Qe7 10. Re1 d6?! { (0.24 → 1.02) Inaccuracy. Ne4 was best. } (10... Ne4 11. a4) 11. e4 e5 12. d5 Bc8 13. h3 Nbd7?! { (0.74 → 1.45) Inaccuracy. h6 was best. } (13... h6 14. Bc2 Nh7 15. Nh2 Re8 16. Qd3 Nd7 17. Qg3 Kh8 18. f4 Ba6 19. Bd3 exf4 20. Bxf4) 14. Bg5?! { (1.45 → 0.61) Inaccuracy. Nh4 was best. } (14. Nh4 Qd8 15. Nf5 Ne8 16. a4 Kh8 17. Qh5 f6 18. Qe2 Rg8 19. g3 Nf8 20. Kh2 Rb8) 14... h6 15. Bd2 Re8 16. Nh2 Nf8 17. Bc2 Ng6 18. a4 a5 19. Bd3 Nf4 20. Bxf4? { (0.07 → -1.03) Mistake. Bf1 was best. } (20. Bf1 Kh8) 20... exf4 21. Qc2 Nd7 22. Nf3 Ne5 23. Nxe5 Qxe5 24. f3 Qf6 25. Rab1 Rb8 26. Rb2 Bd7 27. Reb1 Qd8 28. Qd1 Re7 29. Bc2 Be8 30. Qd2 g5 31. Qd3?! { (-0.12 → -0.68) Inaccuracy. g3 was best. } (31. g3 fxg3 32. f4 f6 33. Qe3 Bg6 34. Qf3 Rg7 35. f5 Be8 36. Qxg3 Kh8 37. Kf2 Bh5) 31... Re5 32. Qd2 f6 33. Qf2 Re7 34. h4 Reb7 35. hxg5 hxg5 36. g3 Rg7 37. Qg2?! { (-0.42 → -1.51) Inaccuracy. g4 was best. } (37. g4 Rg6) 37... Bd7? { (-1.51 → -0.37) Mistake. Qe7 was best. } (37... Qe7 38. g4) 38. Kf2 Rb7?? { (-0.13 → 1.89) Blunder. Qe7 was best. } (38... Qe7) 39. Rh1?? { (1.89 → 0.00) Blunder. gxf4 was best. } (39. gxf4 Bc8 40. Bd3 f5 41. exf5 gxf4 42. Qh2 Qg5 43. Re2 Kf7 44. Rh1 Re7 45. Rxe7+ Kxe7) 39... Qe8 40. Rh6?? { (0.00 → -3.90) Blunder. gxf4 was best. } (40. gxf4 gxf4 41. Qh2 Qe5 42. Qh8+ Kf7 43. Qh5+ Kg8) 40... Qe5 41. gxf4?? { (-2.93 → -8.78) Blunder. Bd1 was best. } (41. Bd1 Qxc3 42. Ra2 g4 43. Qh1 Qxc4 44. Rd2 Qc3 45. Ke1 gxf3 46. Qh5 Kf8 47. Qxf3 Qxf3) 41... gxf4 42. Qh2 Qxc3 43. Rh8+ Kf7 44. Qh5+ Ke7 45. Qh6? { (-9.01 → Mate in 2) Checkmate is now unavoidable. Rh7 was best. } (45. Rh7 Rxh7 46. Qxh7+ Kd8 47. Qg8+ Kc7 48. Ra2 Qe3+ 49. Kg2 Qe2+ 50. Kg1 Qxc4 51. Bb1 Qc1+) 45... Qe3+ 46. Kf1 Rg1# { Black wins by checkmate. } 0-1