lidraughts.org

[Event "Challenge Mondial Stadskanaal KNDB 1997"] [Site "https://lidraughts.org/887YNgIJ"] [Date "1997.12.16"] [Round "10"] [White "Koyfman, Ygal"] [Black "Mogilyansky, Alexander"] [Result "1-1"] [WhiteElo "?"] [BlackElo "?"] [GameType "20"] [TimeControl "-"] [Opening "?"] [Termination "Normal"] [Annotator "lidraughts.org"] 1. 33-29 17-22 2. 39-33 11-17 3. 44-39 6-11 4. 50-44 20-25 5. 35-30 22-27 6. 32x21 16x27 7. 31x22 17x28 8. 33x22 18x27 9. 38-33 13-18 10. 42-38 18-22 11. 37-31 22-28 12. 31x22 28x17 13. 41-37 17-21 14. 46-41 8-13 15. 37-32 15-20 16. 41-37 20-24 17. 29x20 10-15 18. 30-24 19x30 19. 34-29 15x24 20. 29x20 30-35 21. 20-15 5-10 22. 33-28 12-18 23. 38-33 7-12 24. 40-34 11-17 25. 43-38 21-27 26. 32x21 17x26 27. 37-32 3-8 28. 47-42 1-7 29. 42-37 14-19 30. 48-43 18-22 31. 28x17 12x21 32. 36-31 7-11 33. 31-27 11-16 34. 33-28 13-18 35. 38-33 8-13 36. 43-38 19-24 37. 34-29 2-7?! {(0.22 → 0.70) Inaccuracy. Best move was 10-14.} (37... 10-14 38. 29x20 14-19 39. 20-14 19x10 40. 45-40 10-14 41. 40-34 14-19 42. 44-40 35x44 43. 49x40 2-8 44. 28-22) 38. 29x20 25x14 39. 45-40 7-11 40. 40-34 14-19 41. 44-40?! {(0.49 → 0.00) Inaccuracy. Best move was 27-22.} (41. 27-22 18x27 42. 28-23 19x28 43. 33x31 11-17 44. 39-33 17-22 45. 32-28 13-18 46. 28x17 21x12 47. 31-27 12-17) 41... 35x44 42. 49x40 19-24? {(0.00 → 1.08) Mistake. Best move was 10-14.} (42... 10-14 43. 40-35 11-17 44. 35-30 18-22 45. 27x18 13x22 46. 28-23 19x28 47. 32x23 22-27 48. 30-24 27-32 49. 37x28) 43. 34-29 10-14 44. 29x20 14x25 45. 40-35 11-17?! {(1.78 → 2.64) Inaccuracy. Best move was 9-14.} (45... 9-14 46. 39-34 14-19 47. 34-29 19-24 48. 29x20 25x14 49. 33-29 11-17 50. 38-33 13-19 51. 35-30 4-9 52. 29-24) 46. 39-34 18-22 47. 27x18 13x22 48. 35-30? {(3.15 → 1.47) Mistake. Best move was 28-23.} (48. 28-23 9-14 49. 34-29 22-27 50. 23-18 4-9 51. 29-24 14-20 52. 24-19 20-24 53. 19x30 25x34 54. 15-10 9-14) 48... 22-27 49. 28-23 9-14 50. 34-29 25x34 51. 29x40 17-22? {(1.48 → 2.70) Mistake. Best move was 27-31.} (51... 27-31 52. 40-34 31x42 53. 38x47 26-31 54. 23-18 14-19 55. 34-29 21-26 56. 33-28 31-36 57. 29-23 19-24 58. 18-13) 52. 40-34 27-31 53. 32-28 31x42 54. 38x47 22-27 55. 23-18 27-31 56. 18-12 31-36 57. 12-8 4-10? {(2.58 → 4.51) Mistake. Best move was 26-31.} (57... 26-31 58. 8-3 21-26 59. 3x25 31-37 60. 28-22 37-41 61. 22-18 16-21 62. 18-12 26-31 63. 12-7 41-46 64. 7-1) 58. 15x4 21-27 59. 4x31 26x37 60. 8-3 37-41 61. 3x25 41-46 62. 28-22 16-21?! {(2.91 → 3.94) Inaccuracy. Best move was 46-23.} (62... 46-23 63. 33-29 23-32 64. 29-24 16-21 65. 22-18 21-27 66. 25-3 32-43 67. 34-29 27-32 68. 18-12 32-37 69. 12-7) 63. 22-18 21-26 64. 34-29? {(4.65 → 3.05) Mistake. Best move was 18-13.} (64. 18-13 26-31 65. 13-9 31-37 66. 9-4 36-41 67. 47x36 37-42 68. 4-15 46-32 69. 33-29 32-21 70. 29-24 21-27) 64... 26-31 65. 18-12 46-19 66. 12-7 31-37 67. 7-2 19-10? {(3.17 → 6.08) Mistake. Best move was 19-5.} (67... 19-5 68. 29-24 37-41 69. 2-7 41-46 70. 24-20 46-37 71. 20-15 5-19 72. 7-45 37-26 73. 25-3 26-31 74. 3-26) 68. 25-48 37-41 69. 2-16 10-4 70. 33-28 41-46 71. 28-22 4x27 72. 16x49 46-5 73. 49-16 5-46 74. 48-39 46-5 75. 16-49 5-46 76. 49-40 46-10 77. 40-45 10-5? {(6.08 → Win in 8) Win is now unavoidable. Best move was 10-19.} (77... 10-19 78. 39-22 19-14 79. 29-24 14-37 80. 24-20 37-10 81. 20-15 10-5 82. 45-34 5-14 83. 34-12 14-19 84. 12-29) 78. 39-44? {(Win in 8 → 6.08) Lost forced winning sequence. Best move was 47-42.} (78. 47-42 36-41 79. 42-37 41x32 80. 45-50 5-23 81. 29x18 32-37 82. 39-6 37-42 83. 6-1 42-47 84. 50-33 47x7) 78... 5-14 79. 47-42?? {(6.08 → 0.00) Blunder. Best move was 29-24.} (79. 29-24 14-32 80. 24-20 32-37 81. 20-15 37-14 82. 45-18 14-19 83. 44-39 19-32 84. 18-34 32-37 85. 39-22 37-14) 79... 14-20 80. 44-33 20-3 {The game is a draw.} 1-1