lidraughts.org

[Event "Nijmegen Open GDB 2023"] [Site "https://lidraughts.org/GUtp7vBZ"] [Date "2023.07.26"] [Round "6"] [White "de Harder, Bertus"] [Black "Duskova, Petra"] [Result "2-0"] [WhiteElo "?"] [BlackElo "?"] [GameType "20"] [TimeControl "4800+60"] [Opening "?"] [Termination "Normal"] [Annotator "lidraughts.org"] 1. 32-28 19-23 2. 28x19 14x23 3. 37-32 10-14 4. 41-37 5-10 5. 35-30 20-25 6. 33-29 14-19 7. 40-35 9-14 8. 45-40 3-9 9. 30-24 19x30 10. 35x24 17-21 11. 50-45 14-20 12. 46-41 21-26 13. 38-33 11-17 14. 33-28 9-14 15. 28x19 14x23 16. 43-38 4-9 17. 38-33 6-11 18. 48-43 9-14 19. 43-38 1-6 20. 33-28 17-22?! {(-0.04 → 0.49) Inaccuracy. Best move was 16-21.} (20... 16-21 21. 28x19 14x23 22. 40-35 23-28 23. 32x23 21-27 24. 31x22 17x30 25. 35x24 10-14 26. 45-40 11-17 27. 38-32) 21. 28x17?! {(0.49 → 0.05) Inaccuracy. Best move was 28x19.} (21. 28x19 14x23 22. 38-33 11-17 23. 33-28 22x33 24. 39x19 18-22 25. 49-43 6-11 26. 44-39 13-18 27. 43-38 17-21) 21... 11x22 22. 31-27 22x31 23. 36x27 14-19 24. 40-35 19x30 25. 35x24 10-14 26. 45-40 23-28? {(0.40 → 1.93) Mistake. Best move was 6-11.} (26... 6-11 27. 27-22 18x27 28. 29x9 14x3 29. 32x21 20x29 30. 34x23 26x17 31. 40-34 3-9 32. 49-43 8-13 33. 39-33) 27. 32x23 14-19 28. 23x14 20x9 29. 49-43?! {(1.83 → 1.31) Inaccuracy. Best move was 38-33.} (29. 38-33 6-11 30. 33-28 11-17 31. 28-23 17-21 32. 37-32 18-22 33. 27x18 13x22 34. 32-28 22x33 35. 29x38 7-11) 29... 6-11 30. 37-32 11-17 31. 27-21 16x27 32. 32x21 26-31?! {(1.39 → 1.87) Inaccuracy. Best move was 9-14.} (32... 9-14 33. 41-37 18-22 34. 38-33 13-19 35. 24x13 8x19 36. 43-38 22-28 37. 33x11 26x6 38. 39-33 14-20 39. 37-32) 33. 21-16 31-36 34. 38-33 9-14 35. 33-28 18-22?! {(2.00 → 2.50) Inaccuracy. Best move was 7-11.} (35... 7-11 36. 16x7 12x1 37. 28-23 8-12 38. 40-35 1-7 39. 39-33 7-11 40. 44-39 14-20 41. 24-19 13x24 42. 34-30) 36. 29-23 22x33 37. 39x28 14-20?! {(2.11 → 2.79) Inaccuracy. Best move was 13-19.} (37... 13-19 38. 24x13 8x19 39. 34-29 15-20 40. 44-39 19-24 41. 39-33 2-8 42. 41-37 8-13 43. 43-39 14-19 44. 23x14) 38. 34-29 13-18? {(2.44 → 4.05) Mistake. Best move was 13-19.} (38... 13-19 39. 24x13 8x19 40. 23x14 20x9 41. 29-24 2-8 42. 40-34 8-13 43. 44-40 13-18 44. 34-29 7-11 45. 16x7) 39. 40-34 8-13?! {(3.35 → 4.01) Inaccuracy. Best move was 18-22.} (39... 18-22 40. 43-39 22x33 41. 39x28 8-13 42. 41-37 13-18 43. 44-40 7-11 44. 16x7 2x11 45. 23-19 17-21 46. 28-22) 40. 43-39 18-22?! {(3.55 → 4.41) Inaccuracy. Best move was 7-11.} (40... 7-11 41. 16x7 2x11 42. 41-37 17-21 43. 37-32 12-17 44. 23x12 17x8 45. 44-40 13-18 46. 24-19 20-24 47. 19x30) 41. 23-19 22x33 42. 19x8 2x13? {(3.31 → 6.36) Mistake. Best move was 12x3.} (42... 12x3 43. 39x28 7-12 44. 41-37 12-18 45. 28-23 18-22 46. 44-40 2-8 47. 42-38 8-12 48. 23-19 3-8 49. 37-32) 43. 39x28 12-18 44. 28-23? {(5.92 → 4.04) Mistake. Best move was 44-39.} (44. 44-39 18-22 45. 28-23 7-12 46. 39-33 13-19 47. 24x13 20-24 48. 29x20 15x24 49. 42-38 22-27 50. 13-9 17-21) 44... 7-11 45. 23x21 13-18 46. 16x7 18-23 47. 29x18 20x49 48. 7-1?! {(3.64 → 2.65) Inaccuracy. Best move was 21-17.} (48. 21-17 25-30 49. 18-13 30-34 50. 13-9 34-39 51. 9-3 39-44 52. 7-1 49-27 53. 17-12 44-50 54. 12-7 27-38) 48... 49x16 49. 18-13 16-27?! {(2.52 → 3.14) Inaccuracy. Best move was 16-21.} (49... 16-21 50. 13-9 21-32 51. 42-37 32-43 52. 9-4 25-30 53. 37-31 36x27 54. 4x31 30-35 55. 1-29 43-39 56. 31-37) 50. 13-8 27-31?? {(2.88 → Win in 7) Win is now unavoidable. Best move was 25-30.} (50... 25-30 51. 8-3 30-35 52. 41-37 27-43 53. 3-17 43-25 54. 37-32 25-3 55. 17-28 3-9 56. 1-34 9-25 57. 34-18) 51. 41-37?? {(Win in 7 → 4.30) Lost forced winning sequence. Best move was 8-2.} (51. 8-2 31x48 52. 1-34 48x30 53. 2x35 15-20 54. 41-37 20-24 55. 35x19 25-30 56. 19x35 36-41 57. 47x36) 51... 31-4 52. 1-23 25-30?! {(4.30 → 5.13) Inaccuracy. Best move was 4-27.} (52... 4-27 53. 8-2 27-21 54. 2-35 21-16 55. 23-29 15-20 56. 29x15 16-43 57. 35-49 43-34 58. 49-16 34-1 59. 15-24) 53. 8-2 30-34 54. 23x45 4-10 55. 37-31 36x27 56. 2-13 27-32 57. 13-36 10-19 58. 45-50 19-14 59. 50-39 14-25?! {(4.76 → 5.72) Inaccuracy. Best move was 14-23.} (59... 14-23 60. 36-9 23-1 61. 39-43 1-23 62. 43x21 23-19 63. 42-38 19-28 64. 21-8 28-23 65. 38-33 23-37 66. 33-29) 60. 39-48 25-3 61. 36-41 32-38?! {(5.55 → 7.17) Inaccuracy. Best move was 3-21.} (61... 3-21 62. 41x14 21-16 63. 42-37 16-27 64. 48-39 27-18 65. 37-32 18-4 66. 32-28 4-18 67. 39-33 18-36 68. 28-23) 62. 42x33 3-17 63. 48-39 17-8 64. 33-28 15-20 65. 28-22 8-12? {(6.67 → Win in 10) Win is now unavoidable. Best move was 8-26.} (65... 8-26 66. 22-18 26-48 67. 39-6 20-25 68. 18-12 25-30 69. 12-7 30-35 70. 7-1 48-25 71. 1-29 25-9 72. 41-19) 66. 39-33 20-25 67. 33-24 12-7 68. 22-17 7-2 69. 41-19 2-7 70. 47-41 7-18 71. 41-36? {(Win in 7 → 7.34) Lost forced winning sequence. Best move was 17-11.} (71. 17-11 18-4 72. 11-7 4-15 73. 24-47 15-4 74. 7-1 4-22 75. 19-5 22-6 76. 1-34 25-30 77. 34x25 6-1) 71... 18-40? {(7.34 → Win in 7) Win is now unavoidable. Best move was 18-7.} (71... 18-7 72. 19-8 7-23 73. 17-11 23-10 74. 11-7 10-15 75. 24-47 15-4 76. 8-19 4-27 77. 7-1 27-22 78. 47-24) 72. 17-11 {Black resigns.} 2-0