lidraughts.org

[Event "Trainingstoernooi Leeuwarden PFDB 1968"] [Site "https://lidraughts.org/VpMCZmZt"] [Date "1968.04.15"] [Round "1"] [White "Roozenburg, Pieter"] [Black "Wiersma, Harm"] [Result "0-2"] [WhiteElo "?"] [BlackElo "?"] [GameType "20"] [TimeControl "-"] [Opening "?"] [Termination "Normal"] [Annotator "lidraughts.org"] 1. 33-28 18-22 2. 31-26 22x33 3. 38x29 20-25 4. 43-38 15-20 5. 39-33 19-24 6. 44-39 14-19 7. 50-44 10-15 8. 36-31 5-10 9. 32-28 10-14 10. 38-32 13-18 11. 48-43 9-13 12. 41-36 17-21 13. 26x17 11x22 14. 28x17 12x21 15. 31-26 7-12 16. 26x17 12x21 17. 32-28 21-26 18. 42-38 16-21? {(-0.16 → 0.90) Mistake. Best move was 4-9.} (18... 4-9 19. 28-22 18x27 20. 37-31 26x37 21. 29-23 19x28 22. 33x42 14-19 23. 46-41 6-11 24. 41-37 11-17 25. 36-31) 19. 38-32? {(0.90 → -0.22) Mistake. Best move was 37-31.} (19. 37-31 26x37 20. 36-31 37x26 21. 28-22 18x27 22. 29-23 19x28 23. 33x31 26x37 24. 34-30 25x34 25. 39x10 37-42) 19... 18-22 20. 28x17 21x12 21. 32-28 2-7 22. 37-32 4-9 23. 43-38 6-11 24. 47-41 11-16 25. 41-37 7-11 26. 37-31 26x37 27. 32x41 12-17 28. 41-37 17-21 29. 38-32 21-26 30. 49-43 16-21 31. 43-38 11-16 32. 37-31 26x37 33. 32x41 21-26 34. 41-37 8-12 35. 36-31 3-8 36. 38-32 1-6 37. 31-27 6-11 38. 37-31 26x37 39. 32x41 12-17 40. 41-37 8-12 41. 46-41 12-18 42. 35-30 24x35 43. 28-23 19x28 44. 33x22 17x28 45. 29-24 20x29 46. 34x12 14-19 47. 41-36 19-23 48. 37-31 28-32 49. 27x38 23-28 50. 38-33 28-32 51. 39-34?? {(0.00 → -2.23) Blunder. Best move was 40-34.} (51. 40-34 16-21 52. 31-27 32-38 53. 27x7 38x49 54. 7-1 15-20 55. 1-6 49-16 56. 36-31 20-24 57. 39-34 13-18) 51... 15-20?? {(-2.23 → 0.00) Blunder. Best move was 16-21.} (51... 16-21 52. 34-30 25x34 53. 40x29 21-26 54. 31-27 32x21 55. 29-24 9-14 56. 45-40 21-27 57. 44-39 35x44 58. 39x50) 52. 44-39 35x44 53. 39x50 20-24 54. 45-40 9-14 55. 40-35?? {(0.00 → -4.15) Blunder. Best move was 50-45.} (55. 50-45 11-17 56. 12x21 16x27 57. 31x22 24-30 58. 34-29 30-35 59. 33-28 32x34 60. 40x29 25-30 61. 29-24 30x19) 55... 14-19 56. 34-29 16-21 57. 29x20 25x14 58. 31-27?? {(-3.53 → Win in 12) Win is now unavoidable. Best move was 33-28.} (58. 33-28 32x23 59. 31-26 21-27 60. 36-31 27x36 61. 26-21 11-17 62. 12-7 17x26 63. 7-1 13-18 64. 1-7 36-41) 58... 21-26 59. 27x38 13-18 60. 12x23 19x39 61. 35-30 11-17 62. 30-25 17-21 {White resigns.} 0-2