lidraughts.org

[Event "Heerhugowaard Open SNA Heerhugowaard 2021"] [Site "https://lidraughts.org/7zFkYQd5"] [Date "2021.07.14"] [Round "6"] [White "Koorn, Jan-Maarten"] [Black "Koopman, Justin"] [Result "2-0"] [WhiteElo "?"] [BlackElo "?"] [GameType "20"] [TimeControl "4800+60"] [Opening "?"] [Termination "Normal"] [Annotator "lidraughts.org"] 1. 32-28 18-23 2. 33-29 23x32 3. 37x28 17-22 4. 28x17 11x22 5. 39-33 12-18 6. 44-39 7-12 7. 50-44 19-23 8. 41-37 14-19 9. 38-32 10-14 10. 42-38 19-24 11. 47-42 14-19 12. 46-41 1-7 13. 32-28 23x32 14. 37x17 12x21 15. 34-30 7-12 16. 41-37 5-10 17. 30-25 10-14 18. 40-34 21-26 19. 34-30 2-7 20. 38-32 18-23 21. 29x18 12x23 22. 33-28 13-18 23. 43-38 9-13 24. 49-43 7-12 25. 31-27 4-9 26. 37-31 26x37 27. 42x31 12-17 28. 27-22 18x27 29. 32x12 23x32?! {(0.28 → 0.69) Inaccuracy. Best move was 8x17.} (29... 8x17 30. 48-42 23x32 31. 38x27 6-11 32. 42-38 17-21 33. 31-26 21x32 34. 38x27 11-17 35. 43-38 3-8 36. 39-33) 30. 38x27 8x17 31. 43-38 17-21? {(0.70 → 1.63) Mistake. Best move was 13-18.} (31... 13-18 32. 39-33 9-13 33. 44-39 6-11 34. 31-26 18-23 35. 27-22 17x28 36. 33x22 11-17 37. 22x11 16x7 38. 38-32) 32. 48-43 21x32 33. 38x27 6-11? {(1.29 → 2.87) Mistake. Best move was 3-8.} (33... 3-8 34. 43-38 8-12 35. 39-33 24-29 36. 33x24 20x29 37. 44-39 29-34 38. 39-33 34-39 39. 33x44 6-11 40. 44-39) 34. 27-21 16x27 35. 31x22 3-8 36. 43-38 8-12 37. 38-32 24-29 38. 30-24 19x30 39. 25x23 12-17?! {(1.82 → 2.29) Inaccuracy. Best move was 13-19.} (39... 13-19 40. 32-28 9-13 41. 35-30 11-16 42. 44-40 16-21 43. 40-34 13-18 44. 22x24 20x18 45. 34-29 12-17 46. 30-24) 40. 32-28 20-24 41. 36-31? {(2.21 → 0.88) Mistake. Best move was 39-33.} (41. 39-33 14-20 42. 23-19 24-30 43. 35x24 20x38 44. 19x8 9-13 45. 8x19 38-43 46. 19-13 11-16 47. 22x11 16x7) 41... 14-20 42. 23-19 20-25 43. 19x8 9-13 44. 8x30 25x43 45. 44-39 43x34 46. 35-30 34x25 47. 22-18 25-30 48. 45-40?? {(1.55 → 0.00) Blunder. Best move was 18-13.} (48. 18-13 30-34 49. 13-8 34-39 50. 8-2 11-16 51. 2-19 17-21 52. 19-14 21-27 53. 31x22 39-43 54. 22-17 43-48) 48... 30-35 49. 40-34 15-20?? {(0.08 → 3.13) Blunder. Best move was 17-21.} (49... 17-21 50. 18-13 21-26 51. 31-27 15-20 52. 13-9 20-24 53. 27-22 26-31 54. 9-4 24-30 55. 34x25 35-40 56. 22-18) 50. 18-13 20-24 51. 13-8?? {(3.37 → 0.00) Blunder. Best move was 31-26.} (51. 31-26 24-29 52. 34x23 35-40 53. 13-9 40-44 54. 23-19 44-49 55. 9-4 49-35 56. 19-14 35-40 57. 14-10 40-1) 51... 24-29?? {(0.00 → 4.86) Blunder. Best move was 17-21.} (51... 17-21 52. 28-23 21-26 53. 31-27 24-29 54. 34-30 29x18 55. 30-25 11-17 56. 8-2 35-40 57. 2-16 40-44 58. 27-21) 52. 34x23 35-40?? {(4.88 → Win in 3) Win is now unavoidable. Best move was 17-21.} (52... 17-21 53. 31-26 11-16 54. 26x17 35-40 55. 17-12 40-44 56. 23-19 44-49 57. 8-3 16-21 58. 12-8 21-27 59. 19-14) 53. 8-2 40-44 54. 2x16 17-22 55. 28x17 44-50 56. 16-11 50-45 57. 23-19 45-18 58. 31-26 18-27 59. 19-14 27-16 60. 11-2 16-32 61. 14-9 32-28?! {(10.84 → Win in 2) Win is now unavoidable. Best move was 32-10.} (61... 32-10 62. 9-4 10-15 63. 17-12 15-42 64. 12-7 42-15 65. 7-1 15-33 66. 26-21 33-28 67. 21-16 28-37 68. 16-11) 62. 17-12?! {(Win in 2 → 10.67) Lost forced winning sequence. Best move was 2-19.} (62. 2-19 28x21 63. 26x17) 62... 28-23 63. 12-8 23-18 64. 9-4 18-23 65. 8-3 23-32?! {(10.78 → Win in 5) Win is now unavoidable. Best move was 23-37.} (65... 23-37 66. 26-21 37-28 67. 21-16 28-33 68. 2-19 33-44 69. 19-13 44-40 70. 16-11 40-35 71. 13-18 35-19 72. 11-7) 66. 4-22 32-23 67. 26-21 23-1 68. 21-16 1-6 69. 22-50 6-1 70. 16-11 1-7 71. 3-17 7x16 72. 17-11 16x7 73. 2x11 {White wins.} 2-0