DISCLAIMER: Onderstaande PDN kan soms niet compatible zijn met andere programmas

[Event "Casual Classical game"]
[Site "https://lidraughts.org/YlfJvqUt"]
[Date "2020.07.17"]
[Round "-"]
[White "Stef_Migchelbrink"]
[Black "Aike2010"]
[Result "1-1"]
[WhiteElo "1562"]
[BlackElo "1793"]
[TimeControl "2700+60"]
[Termination "Normal"]
[UTCDate "2020.07.18"]
[UTCTime "12:12:43"]
[GameType "20"]
[Opening "?"]
[Annotator "https://lidraughts.org/@/GialloVerde"]
{ Ook Stef Migchelbrink en de 9-jarige Aike de Vries maakten er een spektakel van. Kijk mee: } 1. 33-29 {[%clock w0:45:00 B0:45:00]
} 18-23 {[%clock W0:45:00 b0:45:00]
} 2. 29x18 {[%clock w0:45:50 B0:45:59]
} 12x23 {[%clock W0:45:50 b0:45:59]
} 3. 38-33 {[%clock w0:46:45 B0:46:54]
} 7-12 {[%clock W0:46:45 b0:46:54]
} 4. 33-29 {Een opmerkelijke zet, na koel 13-18 kan zwart wellicht makkelijk spel geven tegen het witte centrumgat.} {[%cal G1318]
} {[%clock w0:47:32 B0:47:41]
} 4... 2-7 {[%clock W0:47:32 b0:47:41]
} 5. 29x18 {[%clock w0:48:30 B0:48:41]
} 12x23 {[%clock W0:48:30 b0:48:41]
} 6. 42-38 {[%clock w0:49:23 B0:49:38]
} 7-12 {[%clock W0:49:23 b0:49:38]
} 7. 34-30 {[%clock w0:50:05 B0:49:52]
} 1-7 {[%clock W0:50:05 b0:49:52]
} 8. 40-34 {[%clock w0:50:23 B0:46:56]
} 20-25 {[%clock W0:50:23 b0:46:56]
} 9. 44-40 {[%clock w0:50:28 B0:46:22]
} 12-18 {[%clock W0:50:28 b0:46:22]
} 10. 50-44 {[%clock w0:49:21 B0:47:02]
} 7-12 {[%clock W0:49:21 b0:47:02]
} 11. 47-42 {[%clock w0:49:49 B0:47:12]
} 15-20 {[%clock W0:49:49 b0:47:12]
} 12. 31-26 {[%clock w0:48:42 B0:43:34]
} 17-21 {[%clock W0:48:42 b0:43:34]
} 13. 26x17 {[%clock w0:49:39 B0:44:00]
} 11x22 {[%clock W0:49:39 b0:44:00]
} 14. 32-28 {[%clock w0:39:42 B0:44:03]
} 22x33 {[%clock W0:39:42 b0:44:03]
} 15. 38x29 {[%clock w0:39:00 B0:43:59]
} 10-15 {[%clock W0:39:00 b0:43:59]
} 16. 30-24 {[%clock w0:39:17 B0:44:56]
} 19x30 {[%clock W0:39:17 b0:44:56]
} 17. 35x24 {[%csl G04]
[%cal G0410]
} {[%clock w0:40:16 B0:45:06]
} 17... 4-10 {Wit speelt wat speculatief, en zwart doet vooral keurige rustige zetten. 4-10 opent echter wel een combinatiegevoelig veld.} {[%clock W0:40:16 b0:45:06]
} 18. 40-35 {[%clock w0:37:29 B0:44:39]
} 6-11 {[%clock W0:37:29 b0:44:39]
} 19. 36-31 {[%clock w0:32:15 B0:45:02]
} 11-17 {[%clock W0:32:15 b0:45:02]
} 20. 31-27 {[%clock w0:32:14 B0:43:40]
} 17-22 {[%clock W0:32:14 b0:43:40]
} 21. 41-36 {[%clock w0:30:57 B0:43:30]
} 22x31 {[%clock W0:30:57 b0:43:30]
} 22. 36x27 {[%clock w0:31:16 B0:43:59]
} 12-17 {[%clock W0:31:16 b0:43:59]
} 23. 44-40 {[%cal G3530]
} {[%clock w0:25:16 B0:30:52]
} 23... 17-21 {[%clock W0:25:16 b0:30:52]
} 24. 46-41 {[%clock w0:20:20 B0:31:45]
} 21x32 {[%clock W0:20:20 b0:31:45]
} 25. 37x19 {[%clock w0:32:45 B0:20:02]
} 14x23 {[%clock W0:32:45 b0:20:02]
} 26. 35-30 {Deze Bonnard-positie is misschien nog wel de sterkste variant ook, mede met het oog op het eeder geopende veld 4, geeft het wit lastig spel, maar ook met kansen.} {[%clock w0:31:30 B0:19:07]
} 26... 10-14 {[%clock W0:31:30 b0:19:07]
} 27. 42-37 {[%clock w0:30:30 B0:18:13]
} 14-19 {[%clock W0:30:30 b0:18:13]
} 28. 37-32 {[%clock w0:26:54 B0:18:20]
} 16-21 {[%clock W0:26:54 b0:18:20]
} 29. 48-42 {[%clock w0:21:13 B0:13:59]
} 21-26 {Deze zet is onnauwkeurig, en hiermee verliest zwart grip over veld 23. Sterker was daarom:} {[%clock W0:21:13 b0:13:59]
} (29... 9-14 30. 42-38 (30. 42-37 {Want:} 30... 8-12 $15 {[%cal G3228,G3728,G0510]
}) 30... 18-22 31. 29x16 20x29 32. 34x23 19x46 $19) 30. 42-38?! {Inaccuracy. Best move was 41-37.} {[%clock w0:19:20 B0:11:08]
} (30. 42-37) 30... 5-10? {Mistake. Best move was 8-12.} {Vermoedelijk heeft zwart nog niet in de gaten dat hij in de problemen zit. De beste verdediging was:} {[%clock W0:19:20 b0:11:08]
} (30... 8-12 31. 32-28 23x32 32. 38x27 {[%cal G1923]
} 32... 9-14 33. 39-33 12-17 34. 33-28 26-31 35. 27x36 18-22 36. 41-37 22x33 37. 29x38 20x29 38. 34x23 25x34 39. 40x29 19x28 $14) 31. 39-33 {[%clock w0:12:24 B0:09:04]
} 8-12? {Mistake. Best move was 10-14.} {[%clock W0:12:24 b0:09:04]
} 32. 33-28 {[%clock w0:12:14 B0:08:48]
} 12-17 {[%clock W0:12:14 b0:08:48]
} 33. 41-37 {[%clock w0:10:29 B0:08:08]
} 9-14?! {Inaccuracy. Best move was 10-14.} {[%clock W0:10:29 b0:08:08]
} (33... 10-14 34. 49-44 17-21 {[%cal G3731]
} 35. 37-31 26x37 36. 32x41 23x32 37. 38x16 18-23 38. 29x18 20x29 39. 34x23 13x22 40. 16-11) 34. 37-31 {Wit ruilt zelf zijn voordeel weg, welke hij had kunnen handhaven via:} {[%clock w0:11:18 B0:09:07]
} (34. 49-44 {[%cal G1721,G3731]
} 34... 3-8 35. 43-39 {[%cal G1721,G2822]
} 35... 8-12 36. 39-33 $18) 34... 26x37 {[%clock W0:11:18 b0:09:07]
} 35. 32x41 {[%clock w0:12:18 B0:10:06]
} 23x32 {[%clock W0:12:18 b0:10:06]
} 36. 38x27 {[%clock w0:11:00 B0:09:27]
} 19-23 {[%clock W0:11:00 b0:09:27]
} 37. 41-37 {[%clock w0:09:43 B0:08:26]
} 3-8?! {Inaccuracy. Best move was 14-19.} {[%clock W0:09:43 b0:08:26]
} 38. 37-31 {[%clock w0:09:06 B0:08:04]
} 8-12 {[%clock W0:09:06 b0:08:04]
} 39. 31-26?? {Blunder. Best move was 27-22.} {Het eindspel na 27-22 is lastig, maar lijkt kansen te geven voor wit. De zet 31-26 daarentegen lijkt verloren.} {[%clock w0:08:47 B0:06:58]
} (39. 27-22 18x36 40. 29x7 20x29 41. 34x23 25x34 42. 40x29 36-41 43. 7-2 41-47 44. 2x24 47-36 45. 24-8 36-41 46. 8x26 41x19) 39... 23-28 {[%clock W0:08:47 b0:06:58]
} 40. 49-44?? {Blunder. Best move was 40-35.} {[%clock w0:07:33 B0:07:56]
} (40. 40-35 {Was ook geen redding meer, want:} 40... 17-22 {Met enkel nog verliezende varianten voor wit, met al zijn overtollig materiaal op rechts:} {[%cal G2923,G4338,G4339,G2721]
} 41. 29-23 (41. 43-38 22x31 42. 26x37 14-19 43. 37-31 12-17 $19 {[%csl G31]
}) (41. 43-39 22x31 42. 26x37 18-22 43. 49-43 12-17 $19 {[%cal G2832]
}) 41... 20x40 42. 23x32 25x34 43. 35x44 22x31 44. 26x37 15-20) (40. 27-21 18-22 41. 21-16 28-32 {[%cal G4338]
} 42. 43-38 32x43 43. 49x38 22-28 44. 26-21 17x26 45. 16-11 28-33 46. 38-32 13-19 47. 29x38 20x29 48. 34x23 19x37 $19) 40... 28-33 {[%clock W0:07:33 b0:07:56]
} 41. 29x38 {[%clock w0:08:33 B0:08:55]
} 20x29 {[%clock W0:08:33 b0:08:55]
} 42. 34x23 {[%clock w0:09:31 B0:09:53]
} 25x34 {[%clock W0:09:31 b0:09:53]
} 43. 40x29 {[%cal G1822]
} {[%clock w0:10:31 B0:09:38]
} 43... 13-19?? {Blunder. Best move was 18-22.} {Zwart counterde mooi, maar verzuimt het hier af te maken middels het eenvoudige:} {[%clock W0:10:31 b0:09:38]
} (43... 18-22 44. 27x20 15x42) 44. 44-39 {[%clock w0:11:23 B0:08:54]
} 19x28 {[%clock W0:11:23 b0:08:54]
} 45. 38-33 {[%clock w0:11:39 B0:07:37]
} 17-22 {[%clock W0:11:39 b0:07:37]
} 46. 26-21 {[%clock w0:12:34 B0:08:34]
} 22x31 {[%clock W0:12:34 b0:08:34]
} 47. 33x13 {1-1 The game is a draw.} 1-1