lidraughts.org

[Event "WorldCup ***** Nijmegen Open Gelderland 2025"] [Site "https://lidraughts.org/3RVsyPX7"] [Date "2025.07.26"] [Round "10"] [White "van der Stap, Peter"] [Black "Koorn, Jan-Maarten"] [Result "2-0"] [WhiteElo "?"] [BlackElo "?"] [GameType "20"] [TimeControl "4800+60"] [Opening "?"] [Termination "Normal"] [Annotator "lidraughts.org"] 1. 31-27 19-23 2. 33-28 13-19 3. 39-33 9-13 4. 44-39 17-22 5. 28x17 11x31 6. 36x27 12-17 7. 41-36 7-12 8. 46-41 1-7 9. 49-44 19-24 10. 36-31 24-29 11. 33x24 20x29 12. 31-26 4-9 13. 37-31 7-11 14. 41-36 2-7 15. 27-21 16x27 16. 32x21 18-22 17. 21-16 12-18 18. 38-32 7-12 19. 16x7 12x1 20. 43-38 8-12 21. 31-27 22x31 22. 36x27 1-7 23. 27-21 18-22 24. 21-16 13-18 25. 35-30 3-8 26. 42-37 9-13 27. 48-42 6-11 28. 47-41 14-19 29. 41-36 10-14 30. 36-31 22-28?! {(-0.53 → 0.00) Inaccuracy. Best move was 15-20.} (30... 15-20 31. 30-24 19x30 32. 34x25 20-24 33. 32-27 13-19 34. 40-35 8-13 35. 44-40 22-28 36. 38-32 29-33 37. 27-21) 31. 39-33 28x39 32. 44x24 17-22 33. 50-44 23-28 34. 32x23 18x20 35. 30-25 20-24 36. 44-39 22-27 37. 31x22 24-29 38. 34x23 19x17 39. 37-32 13-19 40. 39-33 5-10 41. 40-34 17-22 42. 34-29 11-17 43. 29-24?! {(0.66 → 0.06) Inaccuracy. Best move was 42-37.} (43. 42-37 8-13 44. 45-40 13-18 45. 40-35 19-23 46. 35-30 23x34 47. 30x39 7-11 48. 16x7 12x1 49. 32-28 18-23) 43... 19x30 44. 25x34 12-18 45. 34-29 8-12?! {(0.56 → 0.98) Inaccuracy. Best move was 7-12.} (45... 7-12 46. 32-28 14-20 47. 45-40 20-24 48. 29x20 15x24 49. 16-11 17x6 50. 28x17 12x21 51. 26x17 24-30 52. 38-32) 46. 32-28? {(0.98 → 0.00) Mistake. Best move was 45-40.} (46. 45-40 7-11 47. 16x7 12x1 48. 40-35 14-19 49. 29-24 19x30 50. 35x24 10-14 51. 33-28 22x33 52. 38x29 1-7) 46... 22-27 47. 29-23 18x29 48. 33x24 12-18 49. 42-37 7-12 50. 28-22 17x28 51. 26-21 18-23?? {(0.40 → 3.64) Blunder. Best move was 27-32.} (51... 27-32 52. 38x27 28-33 53. 16-11 33-39 54. 11-6 39-43 55. 24-19 14x23 56. 6-1 15-20 57. 1-6 23-29 58. 45-40) 52. 21x32 12-17?? {(3.12 → 6.43) Blunder. Best move was 14-20.} (52... 14-20 53. 24-19 23x14 54. 32x23 12-17 55. 23-18 14-19 56. 16-11 17x6 57. 18-12 19-24 58. 12-7 6-11 59. 7x16) 53. 24-19 23-29 54. 32x34 14x23 55. 38-33 10-14?? {(5.07 → Win in 9) Win is now unavoidable. Best move was 15-20.} (55... 15-20 56. 37-32 17-22 57. 16-11 23-28 58. 32x23 22-27 59. 11-7 27-31 60. 7-2 31-37 61. 23-18 37-42 62. 18-12) 56. 37-32 17-22 57. 16-11 23-28 58. 32x23 22-27 59. 11-7 27-31 60. 7-2 31-37 61. 23-18 37-42 62. 2-30 14-20 63. 18-12? {(Win in 8 → 8.40) Lost forced winning sequence. Best move was 30-2.} (63. 30-2 20-25 64. 2-30 15-20 65. 18-13 20-24 66. 30x19 25-30 67. 19x35 42-48 68. 33-29 48x2 69. 29-24 2x30) 63... 20-25? {(8.40 → Win in 6) Win is now unavoidable. Best move was 20-24.} (63... 20-24 64. 30x19 42-48 65. 34-29 48-31 66. 12-7 31-22 67. 19-28 22-9 68. 7-2 9-25 69. 29-23 25-9 70. 23-19) 64. 12-7 {Black resigns.} 2-0