[Event "CHESSCOVID MANUEL BELGRANO B Team Battle"] [Site "https://lichess.org/pzvdNlfU"] [Date "2020.09.30"] [White "ciudadajedrezescolar"] [Black "Valentin_Unhold"] [Result "0-1"] [UTCDate "2020.09.30"] [UTCTime "22:20:16"] [WhiteElo "2694"] [BlackElo "2243"] [WhiteRatingDiff "-13"] [BlackRatingDiff "+11"] [Variant "Standard"] [TimeControl "180+2"] [ECO "A46"] [Opening "Indian Defense: London System"] [Termination "Time forfeit"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 e6 3. Bf4 { A46 Indian Defense: London System } b6 4. e3 Bb7 5. Be2 Be7 6. O-O O-O 7. a4?! { (0.40 → -0.19) Inaccuracy. c4 was best. } (7. c4 d6 8. Nc3 Nh5 9. Qd2 c5 10. Rad1 Na6 11. Rfe1 Nxf4) 7... a5 8. Nc3 d6 9. h3 Nbd7 10. Re1 Re8 11. Bh2 Bf8 12. Nb5 e5 13. c4 Ne4 14. Nd2 Nxd2 15. Qxd2 Rc8 16. Bg3 Qg5 17. Bf1?! { (0.07 → -0.72) Inaccuracy. Rad1 was best. } (17. Rad1 f5 18. Kh2 Nf6 19. f3 Kh8 20. d5 Qh6 21. Bd3 g6 22. Bf2 Ba6 23. e4 Qxd2) 17... h5?! { (-0.72 → 0.00) Inaccuracy. exd4 was best. } (17... exd4 18. Nxd4) 18. d5?! { (0.00 → -1.00) Inaccuracy. Qc2 was best. } (18. Qc2 g6 19. Rad1 Bg7 20. Na7 Ra8 21. Nb5) 18... Nc5 19. Qc2 f5 20. Ra3 g6 21. h4 Qf6 22. f3 Bh6 23. e4?! { (-1.49 → -2.14) Inaccuracy. Re2 was best. } (23. Re2 Re7) 23... Rf8? { (-2.14 → -0.53) Mistake. Re7 was best. } (23... Re7) 24. exf5 gxf5 25. Bf2? { (-0.88 → -2.12) Mistake. f4 was best. } (25. f4 exf4) 25... c6?? { (-2.12 → -0.08) Blunder. Rf7 was best. } (25... Rf7 26. Qc3) 26. dxc6?! { (-0.08 → -0.84) Inaccuracy. Na7 was best. } (26. Na7) 26... Bxc6 27. Rd1 Rcd8 28. Nc7 Qg7 29. Nd5 Bxd5 30. Rxd5 Bf4 31. Qd1 Ne6?! { (0.00 → 0.98) Inaccuracy. Rf6 was best. } (31... Rf6 32. Be3 Qg3 33. Bxf4 Qxf4 34. Qe1 Rg6 35. b4 axb4 36. Qxb4 Qxh4 37. Qxb6 Ne6 38. Rxd6) 32. Rxd6 Nd4 33. Rxd8 Rxd8 34. Rd3 Rd6 35. Qe1 Qd7? { (0.62 → 2.21) Mistake. Bd2 was best. } (35... Bd2) 36. g3 Bh6?? { (1.78 → 4.03) Blunder. e4 was best. } (36... e4 37. fxe4) 37. Qxe5 Re6? { (4.03 → 8.98) Mistake. Bg7 was best. } (37... Bg7 38. Qe1) 38. Qd5 Qxd5 39. cxd5 Rd6 40. Rxd4 Bg7 41. Rd3 Be5 42. Bh3 Kf7 43. Bxf5 Kf6 44. Be4 Ke7 45. Be3 Bf6 46. b3 Rd8 47. Bf4 Rd7 48. d6+ Kd8 49. Bd5 Rg7 50. Bc6 Bxh4 51. Re3 Rg8?! { (62.86 → Mate in 13) Checkmate is now unavoidable. Be7 was best. } (51... Be7 52. dxe7+ Rxe7 53. Bg5 Kc7 54. Rxe7+ Kxc6 55. Re6+ Kc5 56. Kf2 Kd4 57. Rxb6 Kc3 58. Rb5) 52. Kf2 Bf6 53. Re6 Bd4+ 54. Ke2 Bc5 55. Bg5+ Kc8 56. d7+ Kc7 57. d8=Q+? { (Mate in 8 → 8.55) Lost forced checkmate sequence. Bf4+ was best. } (57. Bf4+ Bd6 58. Rxd6 b5 59. Re6+ Kb6 60. Be3+ Kc7 61. axb5 Rb8 62. b6+ Rxb6 63. Bf4+ Kd8) 57... Rxd8 58. Bxd8+ Kxd8 { Black wins on time. } 0-1