[Event "Nationale Clubcompetitie KNDB 1968"]
[Site ""]
[White "Sijbrands, Ton"]
[Black "Wiersma, Harm"]
[Annotator "Ad de Hoon"]
[Result "2-0"]
[GameType "20"]
[Round "6"]
[Date "1968.11.16"]
[WhiteTime ""]
[BlackTime ""]
[TimeControl ""]
[WhiteUrl "http://toernooibase.kndb.nl/Afbeeldingen/Spelers/1878.jpg"]
[BlackUrl "http://toernooibase.kndb.nl/Afbeeldingen/Spelers/600.jpg"]
[WhiteTitle ""]
[BlackTitle ""]
[WhiteRating ""]
[BlackRating ""]
[DamboTopLine "Nationale Clubcompetitie KNDB 1968 Round 6"]
[DamboBottomLine "Sijbrands, Ton - Wiersma, Harm 2-0"]
[FEN "B:W21,26,27,30,32,34,35,36,37,38,40,43,44,45:B1,8,9,12,13,14,16,17,18,19,23,24,25"] 31. ... 23-29 32. 34x23 18x29 33. 37-31 25x34 34. 43-39 34x43 35. 38x49Met betere kansen voor wit zie ook analyse Ton Sijbrands Dammer Dankzij Hanco