[Event "Derby Chess Club Swiss"] [Site "https://lichess.org/se3j5eGg"] [Date "2021.04.06"] [White "Johnsargon"] [Black "dalkev"] [Result "1/2-1/2"] [UTCDate "2021.04.06"] [UTCTime "20:08:19"] [WhiteElo "1681"] [BlackElo "2007"] [WhiteRatingDiff "+13"] [BlackRatingDiff "-12"] [Variant "Standard"] [TimeControl "900+10"] [ECO "A57"] [Opening "Benko Gambit"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 c5 3. d5 b5 { A57 Benko Gambit } 4. b3?! { (0.80 → 0.00) Inaccuracy. cxb5 was best. } (4. cxb5 a6 5. bxa6 e6 6. Nc3 exd5 7. Nxd5 Nxa6 8. Bg5 Be7) 4... bxc4 5. bxc4 g6 6. Nc3 Bg7 7. Qc2? { (0.05 → -1.40) Mistake. Rb1 was best. } (7. Rb1 O-O 8. e4 d6 9. Be2 e6 10. Nf3 exd5 11. exd5 Bf5) 7... O-O? { (-1.40 → -0.15) Mistake. Ne4 was best. } (7... Ne4 8. Bd2 Nxd2 9. Qxd2 O-O 10. h4 Qa5 11. Rc1 h5 12. e3) 8. e3?! { (-0.15 → -0.88) Inaccuracy. Rb1 was best. } (8. Rb1 Na6 9. e4 d6 10. a3 Rb8 11. Rxb8 Nxb8 12. Bd2 e6 13. Nf3 exd5 14. cxd5 Nbd7) 8... d6 9. Bd3?! { (-0.93 → -2.10) Inaccuracy. Rb1 was best. } (9. Rb1 e6) 9... Nbd7?? { (-2.10 → -0.14) Blunder. e6 was best. } (9... e6 10. e4) 10. Nf3 Ng4 11. h3?? { (0.00 → -1.79) Blunder. Rb1 was best. } (11. Rb1 Nge5 12. Nxe5 Nxe5 13. Be2 e6 14. h4 exd5 15. Nxd5 h5 16. e4 Be6 17. Bg5 Qa5+) 11... Nge5 12. Nxe5 Nxe5 13. Rb1 Bd7?? { (-1.79 → 0.61) Blunder. Ba6 was best. } (13... Ba6 14. Nb5 Qa5+ 15. Ke2 Nxd3 16. Qxd3 Qxa2+ 17. Bd2 Bxb5 18. Rxb5 Rfb8 19. Ra5 Qb2 20. Rc1) 14. O-O?! { (0.61 → -0.12) Inaccuracy. Be2 was best. } (14. Be2 Rb8 15. Rxb8 Qxb8 16. Bd2 f5 17. f4 Nf7 18. O-O Qc7 19. Rb1 Rb8 20. Nb5 Qb6) 14... Qc7? { (-0.12 → 1.14) Mistake. Nxd3 was best. } (14... Nxd3 15. Qxd3 Rb8 16. Bd2 Qa5 17. Rb3 Qa6 18. Rfb1 Rb6 19. Be1 Rfb8 20. Qe2 Qc8 21. Nb5) 15. Bb2?? { (1.14 → -0.65) Blunder. Be2 was best. } (15. Be2) 15... Qa5? { (-0.65 → 0.46) Mistake. Nxd3 was best. } (15... Nxd3 16. Qxd3 Rfb8 17. Ba1 Rxb1 18. Rxb1 Rb8 19. f3 f5 20. Kf2 Kf7 21. Qc2 Rb7 22. Nd1) 16. Be2 Rfb8?! { (0.51 → 1.15) Inaccuracy. f5 was best. } (16... f5 17. f4 Nf7 18. Bd3 Rab8 19. Ba1 Rb4 20. Rbe1 Nh6 21. Kh2 Rfb8 22. e4 fxe4 23. Rxe4) 17. f4 Nxc4 18. Bxc4 Rb4?? { (1.16 → 3.13) Blunder. Rxb2 was best. } (18... Rxb2 19. Rxb2) 19. Qe2?? { (3.13 → 0.99) Blunder. Nd1 was best. } (19. Nd1) 19... Rab8 20. a3?! { (1.31 → 0.54) Inaccuracy. Rfc1 was best. } (20. Rfc1 Bf5) 20... R4b6 21. Qc2 Rxb2 22. Rxb2 Rxb2 23. Qxb2 Bxc3 24. Qb7 Qa4 25. Qb3 Qxb3?! { (0.23 → 0.87) Inaccuracy. Qa5 was best. } (25... Qa5) 26. Bxb3 Bf5?! { (0.66 → 1.34) Inaccuracy. Bb5 was best. } (26... Bb5 27. Rf2 Bd3 28. Bc2 Bb5 29. g4 a5 30. Rh2 Kg7 31. Kf2 Bc4 32. e4 h6 33. h4) 27. Kf2?! { (1.34 → 0.72) Inaccuracy. Ba2 was best. } (27. Ba2 h5) 27... Be4 28. Rc1 Bb2 29. Rc4 Bxd5 30. Rc2 Bxb3 31. Rxb2 c4 32. Ke2 a5 33. Kd2 a4 34. Kc3 d5 35. Rd2 e6 36. Re2 f5 37. g4 Kf7 38. g5?! { (1.03 → 0.43) Inaccuracy. gxf5 was best. } (38. gxf5 exf5 39. h4 h6 40. Re1 Kf6 41. Rg1 Kf7 42. Kd4 Kf6 43. Rg2 Kf7 44. Rd2 Kf6) 38... e5?? { (0.43 → 4.21) Blunder. Kg7 was best. } (38... Kg7 39. Kd4 h5 40. gxh6+ Kxh6 41. Rg2 Kh7 42. Rg5 Kh6 43. Kc3 Kg7 44. Rg1 Kh7 45. Re1) 39. fxe5 Ke6 40. Rd2?? { (4.01 → 0.86) Blunder. Kd4 was best. } (40. Kd4) 40... Kxe5 41. Rd4 Ke6?? { (0.99 → 3.20) Blunder. Kd6 was best. } (41... Kd6 42. Rf4) 42. h4?? { (3.20 → 0.00) Blunder. Rh4 was best. } (42. Rh4) 42... Ke5 43. Kb4?? { (0.06 → -3.19) Blunder. Kd2 was best. } (43. Kd2 Ba2 44. Kc2 Bb3+ 45. Kc1 Ke6 46. Rf4 Ke5 47. Kd2 Ba2 48. Kc2 Bb3+ 49. Kc1 Ke6) 43... Bc2 44. Kc3 Be4 45. Rd2 f4?? { (-3.71 → 0.00) Blunder. Bd3 was best. } (45... Bd3) 46. exf4+ Kxf4 47. Kb4?? { (-0.07 → -3.24) Blunder. Rd1 was best. } (47. Rd1 Kg4 48. Rg1+ Kf3 49. Rc1 Kg3 50. Rg1+ Bg2 51. Kd4 Kf3 52. Kc3 Kf2 53. Rb1 Be4) 47... Ke3 48. Rh2 Kf3? { (-3.25 → -1.39) Mistake. Bd3 was best. } (48... Bd3 49. h5 d4 50. Rh3+ Ke4 51. Kxa4 Be2 52. Rh4+ Kd3 53. Rh3+ Kd2 54. Rh4 d3 55. hxg6) 49. Kxa4?? { (-1.39 → -4.15) Blunder. h5 was best. } (49. h5 gxh5) 49... Kg3?! { (-4.15 → -3.25) Inaccuracy. d4 was best. } (49... d4 50. h5) 50. Re2 c3?? { (-3.59 → -0.96) Blunder. Kf3 was best. } (50... Kf3 51. Rh2 d4 52. Kb4 c3 53. Kb3 Kg3 54. Re2 Bf3 55. Re1 Kf2 56. Rc1 Bd5+ 57. Kb4) 51. Kb3?! { (-0.96 → -2.05) Inaccuracy. Re3+ was best. } (51. Re3+ Kxh4) 51... c2?? { (-2.05 → 1.21) Blunder. Kf3 was best. } (51... Kf3) 52. Rxc2 Bxc2+?? { (0.52 → 6.48) Blunder. Kxh4 was best. } (52... Kxh4 53. Rc1) 53. Kxc2 Kf3 54. a4?? { (7.70 → 0.00) Blunder. Kd3 was best. } (54. Kd3) 54... d4?? { (0.00 → 20.15) Blunder. Ke2 was best. } (54... Ke2 55. Kc3 Ke3 56. Kc2) 55. a5?? { (20.15 → -2.01) Blunder. Kd3 was best. } (55. Kd3) 55... Ke2 56. a6 d3+ 57. Kc3 d2 58. a7 d1=Q 59. a8=Q Qc1+ 60. Kd4 Qe3+ 61. Kc4 Qf4+ 62. Kb5 Qf5+ 63. Kb4 Qb1+? { (-1.78 → -0.35) Mistake. Qf4+ was best. } (63... Qf4+) 64. Kc5 Qc2+ 65. Kd6 Qd3+ 66. Ke7 Qe3+ 67. Kf7 Qf4+ 68. Kg7 Qxh4 69. Qa2+ Kf3 70. Qf7+ Kg4 71. Qc4+ Kxg5 72. Qd5+ Kg4 73. Qe4+ Kh3 74. Qh1+ Kg4 75. Qe4+ Kg3 76. Qe1+ Kg4 77. Qe4+ { The game is a draw. } 1/2-1/2