lidraughts.org

[Event "Barrage Provinciaal Kampioenschap Groningen 2025"] [Site "https://lidraughts.org/a762tfF8"] [Date "2025.12.23"] [Round "1"] [White "Pronk, Jakob"] [Black "Posthumus, Katrinus"] [Result "0-2"] [WhiteElo "?"] [BlackElo "?"] [GameType "20"] [TimeControl "2400+60"] [Opening "?"] [Termination "Normal"] [Annotator "lidraughts.org"] 1. 33-29 17-21 2. 39-33 21-26 3. 44-39 11-17 4. 50-44 17-22 5. 32-28 7-11 6. 28x17 11x22 7. 31-27 22x31 8. 36x27 6-11 9. 27-22 18x27 10. 29-23 19x28 11. 33x31 14-19 12. 39-33 13-18 13. 44-39 9-13 14. 31-27 10-14 15. 37-32 11-17 16. 33-28 17-22 17. 28x17 12x21 18. 38-33 5-10 19. 34-30 20-25 20. 42-38 25x34 21. 39x30 19-24 22. 30x19 13x24 23. 40-34 8-13 24. 47-42 15-20 25. 41-37 14-19 26. 49-44 10-15 27. 43-39 20-25 28. 33-29 24x33 29. 39x28 3-9 30. 46-41 9-14 31. 38-33 14-20 32. 42-38 20-24 33. 44-40 2-7 34. 34-30 25x34 35. 40x20 15x24 36. 48-43 4-9 37. 45-40 1-6 38. 40-34 7-11 39. 43-39 18-23 40. 28-22 9-14 41. 33-28 14-20 42. 38-33 20-25 43. 35-30?? {(0.00 → -2.44) Blunder. Best move was 41-36.} (43. 41-36 11-17 44. 22x11 6x17 45. 27-22 25-30 46. 34x25 23-29 47. 22x11 29x27 48. 11-7 27-31 49. 36x27 21x41) 43... 24x35 44. 33-29?! {(-2.04 → -2.93) Inaccuracy. Best move was 41-36.} (44. 41-36 11-17 45. 22x11 16x7 46. 27x16 13-18 47. 36-31 7-12 48. 31-27 6-11 49. 16x7 12x1 50. 28-22 26-31) 44... 13-18 45. 22x24 26-31 46. 37x17 11x44 47. 29x18 44-49 48. 32-28 49x21 49. 18-13?! {(-2.84 → -3.41) Inaccuracy. Best move was 24-19.} (49. 24-19 21-43 50. 34-29 35-40 51. 19-14 43-39 52. 28-23 40-44 53. 14-9 44-49 54. 9-4 39-17 55. 23-19 17-33) 49... 21-43 50. 34-30?! {(-3.38 → -4.21) Inaccuracy. Best move was 34-29.} (50. 34-29 43-30 51. 24-19 30-24 52. 29x20 25x32 53. 13-9 32-38 54. 9-4 38-43 55. 4-18 16-21 56. 18-12 21-26) 50... 25x34 51. 13-9?! {(-4.03 → -5.53) Inaccuracy. Best move was 24-20.} (51. 24-20 34-39 52. 13-9 39-44 53. 9-4 43-34 54. 4-31 34-29 55. 20-14 44-50 56. 41-36 50x11 57. 14-9 35-40) 51... 43-38 52. 9-3 38x15 53. 41-36?! {(-5.50 → -9.07) Inaccuracy. Best move was 28-23.} (53. 28-23 34-39 54. 23-19 15-4 55. 19-14 39-43 56. 41-37 35-40 57. 37-31 4x36 58. 14-10 40-45 59. 10-5 43-48) 53... 15-29 54. 28-22 29-1 55. 3-25? {(-7.92 → Win in 11) Win is now unavoidable. Best move was 3-17.} (55. 3-17 1-23 56. 17-3 34-39 57. 22-17 39-44 58. 17-11 16x7 59. 3-21 44-50 60. 21-49 50-33 61. 49-21 35-40) 55... 34-40 56. 25-39 40-45 57. 39-50 1-34?! {(Win in 7 → -11.51) Lost forced winning sequence. Best move was 35-40.} (57... 35-40 58. 50-33 45-50 59. 33-47 50x17 60. 47-42 40-44 61. 42-26 16-21 62. 26-37 44-49 63. 37-19 17-28 64. 19x16) 58. 22-17?! {(-11.51 → Win in 10) Win is now unavoidable. Best move was 50-28.} (58. 50-28 45-50 59. 28-37 50x11 60. 37-42 34-1 61. 42-26 35-40 62. 26-8 40-44 63. 8-2 1-23 64. 36-31 23-12) 58... 34-1? {(Win in 10 → -9.60) Lost forced winning sequence. Best move was 16-21.} (58... 16-21 59. 17x26 6-11 60. 50x6 45-50 61. 6-1 50-45 62. 1x40 35x44 63. 26-21 44-49 64. 21-16 49-27 65. 16-11) 59. 36-31 1-34 60. 31-27 34-40 61. 50-39 40-1? {(-6.79 → -3.77) Mistake. Best move was 40-49.} (61... 40-49 62. 27-21 16x27 63. 17-12 45-50 64. 39-48 27-32 65. 12-8 50-33 66. 48-34 32-37 67. 8-3 37-41 68. 3-9) 62. 39-25?? {(-3.77 → Win in 6) Win is now unavoidable. Best move was 39-43.} (62. 39-43 1-23 63. 27-21 16x27 64. 43x16 23-29 65. 16-32 29-34 66. 32-16 34-23 67. 16-21 23-18 68. 21-32 18-29) 62... 1-7 63. 25-3 45-50 64. 17-11 6x17 65. 3x26 7-18 {White resigns.} 0-2