[Event "March 2021 Allegro"] [Site "https://lichess.org/WS39rdE6"] [Date "2021.03.01"] [White "CoAtSi_2002"] [Black "itcfbod"] [Result "0-1"] [UTCDate "2021.03.01"] [UTCTime "20:56:44"] [WhiteElo "2175"] [BlackElo "2119"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+22"] [Variant "Standard"] [TimeControl "600+5"] [ECO "B06"] [Opening "Modern Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 g6 2. d4 Bg7 { B06 Modern Defense } 3. Be3?! { (0.69 → 0.01) Inaccuracy. Nf3 was best. } (3. Nf3 d6 4. Bd3 Nd7 5. O-O Ngf6 6. e5 dxe5 7. dxe5 Nd5) 3... d6?! { (0.01 → 0.64) Inaccuracy. d5 was best. } (3... d5 4. exd5 Qxd5 5. Qd2 Nf6 6. Nf3 Ne4 7. Nc3 Nxc3 8. Qxc3) 4. Nc3 a6 5. a4 Nf6 6. h3 O-O 7. Nf3?! { (0.70 → 0.09) Inaccuracy. g4 was best. } (7. g4 Nbd7 8. Bg2 e5 9. Nge2 Rb8 10. O-O b5 11. axb5 axb5) 7... Nc6 8. Be2 e5 9. O-O Re8 10. dxe5 Nxe5 11. Re1 Be6 12. Nd4 Bc4 13. f3? { (0.06 → -1.33) Mistake. Bd3 was best. } (13. Bd3 Rb8) 13... c5? { (-1.33 → 0.00) Mistake. d5 was best. } (13... d5 14. Nb3 dxe4 15. fxe4 Qe7 16. Bc5 Qe6 17. Nd4 Qc8 18. Nb3 Rd8 19. Qc1 Bxe2 20. Rxe2) 14. Nb3 Qc7 15. Qd2 Rad8 16. Rad1? { (0.15 → -1.23) Mistake. Bg5 was best. } (16. Bg5) 16... Bxb3?? { (-1.23 → 1.04) Blunder. d5 was best. } (16... d5) 17. cxb3 Qb6 18. Qc2 Nc6 19. Bc4 Nd4 20. Bxd4 cxd4 21. Qf2 Qc5?! { (0.43 → 1.26) Inaccuracy. Qa5 was best. } (21... Qa5 22. Nd5 Qc5 23. Nxf6+ Bxf6 24. Bd5 Re7 25. f4 Rc8 26. h4 h5 27. g3 b5 28. axb5) 22. Ne2?? { (1.26 → -1.88) Blunder. Qxd4 was best. } (22. Qxd4 Nh5 23. Qf2 Be5 24. Re2 Rc8 25. Red2 Kg7 26. Rd5 Qc7 27. Ne2 Nf6 28. R5d2 d5) 22... b5 23. Bd3 Nd7? { (-1.27 → 0.08) Mistake. d5 was best. } (23... d5 24. Qxd4) 24. Bb1? { (0.08 → -1.57) Mistake. axb5 was best. } (24. axb5 axb5 25. Nf4 Nf6 26. Bf1 Rc8 27. b4 Qb6 28. h4 Rc7 29. g3 Rec8 30. Qxd4 Qxd4+) 24... d3? { (-1.57 → -0.25) Mistake. bxa4 was best. } (24... bxa4 25. bxa4) 25. Rxd3 Qxf2+ 26. Kxf2 Nc5 27. Rd5 bxa4 28. bxa4 Nxa4 29. b3 Nc3 30. Nxc3 Bxc3 31. Red1 Bb4 32. Bd3 a5 33. Bc4 Re7 34. Kg3 Kg7 35. h4 Rc7 36. Rh1 a4 37. Ra1 a3 38. Rb5 Bc3? { (-0.06 → 1.19) Mistake. Bc5 was best. } (38... Bc5 39. Rxc5) 39. Ra2?? { (1.19 → -0.70) Blunder. Rxa3 was best. } (39. Rxa3 h5) 39... Bb2 40. Ra5 Rc5?! { (-0.74 → -0.12) Inaccuracy. Rdd7 was best. } (40... Rdd7 41. Kf4) 41. Ra7 Rf8 42. Kg4 h5+ 43. Kg3 Kf6 44. Kh3 Ke5 45. Rxf7? { (-0.12 → -1.36) Mistake. Bxf7 was best. } (45. Bxf7 Rc1 46. Kh2 Rc2 47. Kh3 Kf4 48. b4 Rc1 49. g3+ Kxf3 50. R7xa3+ Bxa3 51. Rxa3+ Kxe4) 45... Rxf7 46. Bxf7 Rc1 47. b4 Kf4 48. Kh2 Ke3?! { (-1.18 → -0.26) Inaccuracy. Rc6 was best. } (48... Rc6 49. Be8) 49. b5 Be5+ 50. Kh3?? { (0.00 → Mate in 1) Checkmate is now unavoidable. g3 was best. } (50. g3 Bb2 51. b6 Kxf3 52. b7 Rc2+ 53. Kh3 Rc1) 50... Rh1# { Black wins by checkmate. } 0-1