[Event "Clocksimultane Ton Sijbrands VAD Amsterdam 1973"]
[Site ""]
[White "Sijbrands, Ton"]
[Black "Clerc, Rob"]
[Annotator "Gerrit Draaisma"]
[Result "1-1"]
[GameType "20"]
[Round "1"]
[Date "1973.12.06"]
[WhiteTime ""]
[BlackTime ""]
[TimeControl ""]
[WhiteUrl "http://toernooibase.kndb.nl/Afbeeldingen/Spelers/1878.jpg"]
[BlackUrl "http://toernooibase.kndb.nl/Afbeeldingen/Spelers/2890.jpg"]
[WhiteTitle ""]
[BlackTitle ""]
[WhiteRating ""]
[BlackRating ""]
[DamboTopLine "Clocksimultane Ton Sijbrands VAD Amsterdam 1973 Round 1"]
[DamboBottomLine "Sijbrands, Ton - Clerc, Rob 1-1"]
[FEN "W:W25,26,28,29,32,33,35,36,37,38,39,42,45,47,48,49,50:B2,3,4,6,7,10,11,12,14,15,17,18,19,20,21,22,24,27"] 19. 49-44{!} 18-23 20. 29x18 12x23 21. 39-34 03-09 22. 44-40 23-29 23. 34x23 24-30 24. 35x13 09x29 25. 33x24 20x29 26. 40-34 29x40 27. 45x34 22x33 28. 38x29 27x38 29. 42x33 {met dubbele - winnende- positionele dreiging ( op de volgende zet komt 37-32 of 29-23)}