[Event "Monthly Challenge"] [Site "https://lichess.org/HSMyI06R"] [Date "2020.09.01"] [White "gingerninja2003"] [Black "Good-40-percent"] [Result "0-1"] [UTCDate "2020.09.01"] [UTCTime "19:20:08"] [WhiteElo "1845"] [BlackElo "1865"] [WhiteRatingDiff "-15"] [BlackRatingDiff "+7"] [Variant "Standard"] [TimeControl "600+0"] [ECO "A81"] [Opening "Dutch Defense: Fianchetto Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 f5?! { (0.00 → 0.64) Inaccuracy. Nf6 was best. } (1... Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Bf4 c6 6. Nc3) 2. g3 { A81 Dutch Defense: Fianchetto Attack } Nf6 3. Bg2 e6 4. Nf3 Nc6 5. O-O b6 6. c4 Bb7 7. Nc3 Bd6?! { (0.77 → 1.36) Inaccuracy. Bb4 was best. } (7... Bb4 8. d5 Na5 9. Nb5 c6 10. dxc6 Bxc6 11. Nbd4 Be4 12. Qa4 Qe7 13. Nxe6 Bc6 14. Nxg7+) 8. Bg5 O-O 9. d5?! { (1.29 → 0.68) Inaccuracy. e4 was best. } (9. e4 fxe4 10. Nxe4 Be7 11. Nc3 Na5 12. Qe2 c5 13. Rad1 cxd4 14. Rxd4 h6 15. Bf4 Bc5) 9... Ne5 10. Nxe5 Bxe5 11. dxe6?! { (0.34 → -0.36) Inaccuracy. Rc1 was best. } (11. Rc1) 11... Bxg2 12. Kxg2 dxe6 13. Qc2 Qe8 14. Rad1?! { (-0.33 → -1.38) Inaccuracy. f3 was best. } (14. f3 Qh5 15. Be3 g5 16. Nd1 f4 17. Bd2 fxg3 18. hxg3 Bxg3 19. Rh1 Bh4 20. Be1 Rad8) 14... Qc6+ 15. Kg1 Qxc4 16. Bxf6 Bxf6 17. Rd7 c5 18. Rfd1 Rfd8 19. Qd3?! { (-0.76 → -1.71) Inaccuracy. Rxd8+ was best. } (19. Rxd8+) 19... Qxd3 20. R1xd3 Rxd7 21. Rxd7 Rd8 22. Rxa7 Rd2 23. Na4?! { (-2.08 → -2.74) Inaccuracy. Nb5 was best. } (23. Nb5 Rxb2 24. a4 Rxe2 25. Rb7 Ra2 26. Rxb6 Kf7 27. Rb7+ Kf8 28. Rc7 Bd4 29. Nxd4 cxd4) 23... Rxe2 24. Nxb6 Bxb2 25. Kf1 Rc2 26. a4?! { (-2.71 → -3.60) Inaccuracy. Ra8+ was best. } (26. Ra8+ Kf7) 26... Bd4 27. a5 c4 28. Ra8+ Kf7 29. Rc8 Rxf2+ 30. Ke1 c3 31. Kd1?! { (-3.65 → -5.59) Inaccuracy. Rc7+ was best. } (31. Rc7+ Kf6 32. Nd7+ Ke7 33. Nb6+ Kd6 34. Rxc3 Rxh2 35. Rd3 Kc5 36. Ra3 Kc6 37. a6 Bxb6) 31... Rxh2 32. Nd7?! { (-5.12 → -7.15) Inaccuracy. Na4 was best. } (32. Na4 Ra2 33. Rc7+ Kf6 34. Nxc3 Rxa5 35. Rc6 Be5 36. Ne2 Ra3 37. Nf4 Bxf4 38. gxf4 Ra4) 32... Rd2+ 33. Kc1 Ra2 34. Ra8 Be3+ 35. Kb1 Rb2+ 36. Ka1 c2 37. Kxb2?! { (-10.52 → Mate in 18) Checkmate is now unavoidable. Ne5+ was best. } (37. Ne5+ Ke7 38. Rc8 Rb1+ 39. Ka2 c1=Q 40. Rxc1 Rxc1 41. Kb3 Bd4 42. Nc4 Kd7 43. Kb4 Kc6) 37... c1=Q+ 38. Kb3 Qd1+ 39. Kb4?! { (-66.96 → Mate in 11) Checkmate is now unavoidable. Kc3 was best. } (39. Kc3 Qd4+) 39... Qxd7 40. a6 Qa7?! { (Mate in 10 → -63.38) Lost forced checkmate sequence. Qd2+ was best. } (40... Qd2+ 41. Kb3 Qd5+ 42. Kc3 Qxa8 43. Kd3 Qe4+ 44. Kc3 Qd4+ 45. Kb3 Qd3+ 46. Kb2 Bd4+ 47. Kc1) 41. Rxa7+?! { (-63.38 → Mate in 18) Checkmate is now unavoidable. Rh8 was best. } (41. Rh8 Kg6 42. Kb3 Qxa6 43. Rg8 Bf2 44. Rb8 Qd3+ 45. Kb2 Bxg3 46. Rc8 Be5+ 47. Kc1 Bd6) 41... Bxa7 42. Kc4 e5 43. Kd5 Kf6 44. Kc6 e4 45. Kb7 Be3 46. a7 Bxa7 47. Kxa7 e3 48. Kb6 e2 49. Kc5 e1=Q 50. Kd6 Qxg3+ 51. Kd5 f4 52. Kd4 f3 53. Kd3 f2+ 54. Kd2 f1=N+ 55. Ke2 Ne3 56. Kd3 h5 57. Ke2 h4 58. Kd2 h3 59. Kc3 h2 60. Kd4 h1=Q 61. Kc3 g5 62. Kd3 Qe5 63. Ke2 g4 64. Kf2 g3+ 65. Ke2 Nc4+ 66. Kd3 g2 67. Kc2 g1=N 68. Kd3 Ne2 69. Kc2 Qhe4+ 70. Kd1 Q5d4+ 71. Ke1 Ne3 72. Kf2 Ng4+ 73. Ke1 Ng3# { Black wins by checkmate. } 0-1