[Event "Dutch Teamcompetition KNDB 2017/2018"]
[Site ""]
[White "Kamminga, Henk"]
[Black "Ptak, Katarzyna"]
[Annotator "Gerrit Draaisma"]
[Result "2-0"]
[GameType "20"]
[Round "7"]
[Date "2017.12.16"]
[WhiteTime ""]
[BlackTime ""]
[TimeControl "4800+60"]
[WhiteUrl "http://toernooibase.kndb.nl/Afbeeldingen/Spelers/1587.jpg"]
[BlackUrl "http://toernooibase.kndb.nl/Afbeeldingen/Spelers/6383.jpg"]
[WhiteTitle ""]
[BlackTitle ""]
[WhiteRating "1919"]
[BlackRating "1802"]
[DamboTopLine "Dutch Teamcompetition KNDB 2017/2018 Round 7"]
[DamboBottomLine "Kamminga, Henk - Ptak, Katarzyna 2-0"]
[FEN "B:W17,25,30,31,32,35,36,38,43,47,48,49:B3,4,5,6,8,11,12,13,15,16,19"] 28. ... 11x22{ (12x21 is probleemloos)} 29. 32-27 12-18 30. 38-33 05-10{? (6-11 is beter, maar 31. 43-38 11-17 32. 38-32 geeft wit gemakkelijker spel)} 31. 30-24 19x30 32. 35x24{ en zwart moet offeren, want op 8-12 komt 33. 33-29 met dubbele dreiging}