[Event "9th NB Inter Academy chess"] [Site "https://lichess.org/E86mKvyh"] [Date "2020.09.27"] [White "Soumyadeep_Chess"] [Black "mahiraj_chakraborti"] [Result "0-1"] [UTCDate "2020.09.27"] [UTCTime "12:25:36"] [WhiteElo "1804"] [BlackElo "1318"] [WhiteRatingDiff "-21"] [BlackRatingDiff "+11"] [Variant "Standard"] [TimeControl "300+3"] [ECO "D45"] [Opening "Semi-Slav Defense: Normal Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Nf3 e6 3. e3 Nf6 4. c4 Nbd7 5. Nc3 c6 { D45 Semi-Slav Defense: Normal Variation } 6. Bd2 Bb4 7. cxd5 cxd5 8. a3 Bxc3 9. Bxc3 O-O 10. Be2 Re8 11. O-O a6 12. h3 b5?! { (1.07 → 2.22) Inaccuracy. Ne4 was best. } (12... Ne4 13. Rc1) 13. Ne5?! { (2.22 → 1.15) Inaccuracy. a4 was best. } (13. a4 Bb7) 13... Qc7?! { (1.15 → 1.89) Inaccuracy. Ne4 was best. } (13... Ne4 14. Be1 Bb7 15. Rc1 Rc8 16. Rxc8 Qxc8 17. Nxd7 Qxd7 18. Ba5 h6 19. Bd3 Nd6 20. b3) 14. Rc1 Qb7? { (2.07 → 3.94) Mistake. Bb7 was best. } (14... Bb7 15. f3) 15. Bf3?? { (3.94 → 1.34) Blunder. Ba5 was best. } (15. Ba5 Qb8 16. Rc7 Ra7 17. Nc6 Qxc7 18. Bxc7 Rxc7 19. Na5 Nb6 20. Qa1 Bd7 21. Nb3 Rec8) 15... h6?? { (1.34 → 3.94) Blunder. a5 was best. } (15... a5 16. Qe1) 16. Re1?? { (3.94 → 1.42) Blunder. Ba5 was best. } (16. Ba5 Ra7 17. Nc6 Ra8 18. Nd8 Qb8 19. Bc7 Qa7 20. Nc6 Qb7 21. Na5 Qa7 22. Bg3 Ne4) 16... Qb6 17. Qc2 Bb7 18. Nxd7 Nxd7 19. e4?? { (1.06 → -0.75) Blunder. Bb4 was best. } (19. Bb4 a5) 19... dxe4 20. Bxe4 Bxe4 21. Qxe4 Nf6 22. Qf3 Red8 23. Rcd1 a5?! { (-0.88 → 0.00) Inaccuracy. Rac8 was best. } (23... Rac8 24. Qg3) 24. d5?! { (0.00 → -0.60) Inaccuracy. Bd2 was best. } (24. Bd2 Nd5 25. Qg4 Kh7 26. Qe4+ Kh8 27. Qh4 Kh7) 24... exd5?! { (-0.60 → 0.27) Inaccuracy. Nxd5 was best. } (24... Nxd5 25. Bd4 Qd6 26. Qe2 b4 27. axb4 axb4 28. Qg4 Qf8 29. Be5 Kh8 30. Bd4 Rdc8 31. Rc1) 25. Bd4 Qa6 26. Qg3 g5?? { (0.06 → 3.44) Blunder. Re8 was best. } (26... Re8 27. Rxe8+ Rxe8 28. Qd3 a4 29. Bxf6 Qxf6 30. Qxb5 Rc8 31. Qxa4 Qxb2 32. Qa7 Qb3 33. Rd2) 27. Qe5?! { (3.44 → 2.12) Inaccuracy. h4 was best. } (27. h4 Re8 28. hxg5 Ne4 29. Rxe4 dxe4 30. Bf6 h5 31. Qh4 Re6 32. Rd5 Qc6 33. Qxh5 Rxf6) 27... Rd6 28. Re3?! { (2.21 → 1.25) Inaccuracy. h4 was best. } (28. h4 Re6 29. Qf5 Nh7 30. hxg5 Nxg5 31. Be3 Rf6 32. Qxd5 Ne6 33. Qd7 Rb8 34. Rd5 b4) 28... Re8?! { (1.25 → 2.08) Inaccuracy. Re6 was best. } (28... Re6) 29. Qf5 Rxe3?? { (2.19 → 5.05) Blunder. Ne4 was best. } (29... Ne4 30. f3) 30. fxe3 Kg7 31. Rf1 b4 32. Be5? { (4.84 → 2.72) Mistake. axb4 was best. } (32. axb4 axb4 33. g4 Re6 34. h4 Qd6 35. Rf3 gxh4 36. g5 hxg5 37. Qxg5+ Kf8 38. Bxf6 Ke8) 32... Re6 33. Bxf6+?? { (2.99 → -6.16) Blunder. h4 was best. } (33. h4 Rxe5 34. Qxe5 Qe6 35. Qxe6 fxe6 36. Rc1 Ng4 37. Rc5 Nxe3 38. Rxa5 bxa3 39. bxa3 Nc4) 33... Rxf6 34. Qxf6+ Qxf6 35. Rxf6 Kxf6 36. axb4 axb4 37. Kf2 Ke5 38. Ke2 Ke4 39. b3 d4 40. exd4 Kxd4 41. Kd2 Kc5 42. Kd3 Kd5 43. g3 f5 44. Ke3 Ke5 45. g4 fxg4 46. hxg4 Kf6 47. Ke4 Kg6 48. Ke5 h5 49. gxh5+ Kxh5 50. Kd4 g4 51. Kc4 g3 52. Kxb4 g2 53. Ka5?! { (-60.26 → Mate in 12) Checkmate is now unavoidable. Kb5 was best. } (53. Kb5 g1=Q 54. b4 Qa7 55. Kc6 Qa6+ 56. Kc5 Qb7 57. b5 Qc7+ 58. Kb4 Qb6 59. Kc4 Qd6) 53... g1=Q 54. b4 Qb1 55. b5 Kg6 56. b6 Kf7 57. Ka6 Ke7 58. b7 Kd7 59. Ka7 Kc7 60. b8=Q+ Qxb8+ 61. Ka6 Qb6# { Black wins by checkmate. } 0-1