lidraughts.org

[Event "Nationale Clubcompetitie KNDB 2024/2025"] [Site "https://lidraughts.org/5RPeryEW"] [Date "2024.10.05"] [Round "2"] [White "Dijkstra, Arend"] [Black "Koopman, Sjoerd"] [Result "0-2"] [WhiteElo "?"] [BlackElo "?"] [GameType "20"] [TimeControl "4800+60"] [Opening "?"] [Termination "Normal"] [Annotator "lidraughts.org"] 1. 34-30 20-25 2. 32-28 25x34 3. 39x30 16-21 4. 44-39 21-26 5. 30-25 17-21 6. 40-34 12-17 7. 34-30 17-22 8. 28x17 21x12 9. 30-24 19x30 10. 25x34 14-19 11. 31-27 10-14 12. 37-31 26x37 13. 41x32 11-17 14. 46-41 6-11 15. 41-37 5-10 16. 50-44 15-20 17. 34-30 10-15 18. 30-25 18-23 19. 33-28 12-18 20. 39-33 20-24 21. 44-39 7-12 22. 36-31 1-6 23. 47-41 17-22 24. 28x17 11x22 25. 41-36 14-20 26. 25x14 9x20 27. 49-44 20-25 28. 31-26 22x31 29. 36x27 4-9 30. 27-22 18x27 31. 32x21 9-14 32. 37-32 14-20 33. 44-40 12-18 34. 33-28 2-7?! {(-0.03 → 0.38) Inaccuracy. Best move was 8-12.} (34... 8-12 35. 39-33 24-29 36. 33x24 20x29 37. 43-39 29-34 38. 40x29 23x43 39. 48x39 6-11 40. 39-33 2-7 41. 45-40) 35. 21-16?! {(0.38 → -0.16) Inaccuracy. Best move was 42-37.} (35. 42-37 6-11 36. 37-31 24-30 37. 35x24 19x30 38. 28x19 13x24 39. 31-27 30-35 40. 40-34 24-30 41. 32-28 7-12) 35... 8-12 36. 39-34 3-8 37. 28-22 18x27 38. 32x21 24-30 39. 35x24 19x39 40. 43x34 12-18 41. 38-33?! {(0.44 → -0.30) Inaccuracy. Best move was 21-17.} (41. 21-17 23-28 42. 42-37 18-22 43. 38-32 22x11 44. 32x23 20-24 45. 48-43 24-29 46. 23-19 13x24 47. 34x23 15-20) 41... 6-11 42. 48-43 8-12 43. 42-38 20-24 44. 34-29 23x34 45. 40x20 15x24 46. 33-28 11-17 47. 38-32?? {(-0.07 → -2.23) Blunder. Best move was 28-22.} (47. 28-22 18x27 48. 21x32 24-30 49. 45-40 30-35 50. 40-34 13-19 51. 38-33 19-24 52. 32-27 12-18 53. 33-28 25-30) 47... 18-22 48. 28-23?? {(-2.50 → -6.20) Blunder. Best move was 32-27.} (48. 32-27 22x33 49. 27-22 17x28 50. 21-17 12x21 51. 26x17 13-18 52. 17-11 7-12 53. 11-6 28-32 54. 6-1 33-38) 48... 13-18 49. 43-39?? {(-5.85 → Win in 13) Win is now unavoidable. Best move was 23-19.} (49. 23-19 24x13 50. 32-27 22x31 51. 26x37 17x26 52. 45-40 18-23 53. 40-34 13-18 54. 43-38 23-29 55. 34x23 18x29) 49... 18x29 50. 39-34 29x40 51. 45x34 22-27?? {(Win in 11 → -0.64) Lost forced winning sequence. Best move was 24-30.} (51... 24-30 52. 34-29 30-34 53. 29x40 25-30 54. 32-27 22x31 55. 26x37 17x26 56. 37-32 26-31 57. 32-28 12-18 58. 40-35) 52. 32-28 24-30 53. 21x32 30x39 54. 28-23 39-43?! {(-0.59 → 0.00) Inaccuracy. Best move was 39-44.} (54... 39-44 55. 23-19 12-18 56. 19-14 18-23 57. 14-9 44-50 58. 9-4 17-21 59. 16x27 25-30 60. 26-21 30-35 61. 4-15) 55. 23-19 43-48 56. 19-14 48-30 57. 14-9 30-19 58. 9-4?? {(0.00 → -2.00) Blunder. Best move was 9-3.} (58. 9-3 19x37 59. 26-21 17x26 60. 3x17 37-23 61. 17-11 7-12 62. 11-50 23-46 63. 50-45 12-17 64. 45-50 26-31) 58... 19x41 59. 4-15 41-47 60. 15-10 47-33 61. 10-19 33-22 62. 19-14?? {(-2.06 → -4.82) Blunder. Best move was 19-35.} (62. 19-35 22-28 63. 35-13 28-50 64. 13-24 50-44 65. 24-13 44-28 66. 13-35 28-22 67. 35-24 22-39 68. 24-19 12-18) 62... 25-30 63. 14-23 30-35?? {(-4.59 → 0.00) Blunder. Best move was 22-33.} (63... 22-33 64. 23-14 30-34 65. 14-3 33-50 66. 3-9 34-39 67. 9-4 39-44 68. 4-10 44-49 69. 10-4 50-28 70. 4-13) 64. 23-45 22-50 65. 45-23 50-22 66. 23-45 22-50 67. 45-23 17-22 68. 23-14?? {(-0.62 → -5.20) Blunder. Best move was 26-21.} (68. 26-21 50-45 69. 23-19 12-18 70. 19-24 18-23 71. 24-13 45-50 72. 13x27 50-11 73. 27-38 11-6 74. 38-20 6-50) 68... 22-27 69. 26-21?? {(-5.08 → Win in 5) Win is now unavoidable. Best move was 14-41.} (69. 14-41 50-22 70. 41-23 22-17 71. 23-19 35-40 72. 19-35 40-45 73. 35-19 45-50 74. 19-41 17-6 75. 41-14 50-17) 69... 12-18 70. 21x32 18-23 {White resigns.} 0-2