[Event "Groningen Compact op-C"]
[Site "Groningen"]
[Date "2008.12.29"]
[Round "4"]
[White "Sikkes, Piet"]
[Black "Halfwerk, Frank"]
[Result "0-1"]
[ECO "D08"]
[WhiteElo "1645"]
[BlackElo "1612"]
[PlyCount "46"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "CBM 127 Extra"]
[Source "ChessBase"]
[SourceDate "2009.01.08"]
[SourceVersion "2"]
[SourceVersionDate "2009.01.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. e3 Bb4+ 5. Bd2 dxe3 6. Bxb4 exf2+ 7. Ke2 fxg1N+ 8. Ke1 Qh4+ 9. Kd2 Nc6 10. Bc5 Bf5 11. Kc3 Rd8 12. Nd2 Qf4 13. Qe1 Rxd2 14. Qxd2 Qxe5+ 15. Kb3 Qxc5 16. Re1+ Nge7 17. a3 Nd4+ 18. Ka2 Ngf3 19. gxf3 Nxf3 20. Rxe7+ Qxe7 21. Qf2 0-0 22. Be2 Nh4 23. Re1 Qf6 0-1

[Event "Groningen SO ON op B"]
[Site "Groningen"]
[Date "2001.??.??"]
[Round "1.5"]
[White "Sikkes, Piet"]
[Black "Visser, Egbert Ynte"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "1619"]
[BlackElo "1773"]
[PlyCount "76"]
[EventDate "2001.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. c5 g6 6. Bf4 Bg7 7. h3 0-0 8. e3 Re8 9. Be2 Nbd7 10. Ne5 Nxe5 11. Bxe5 Nd7 12. Bxg7 Kxg7 13. a3 e5 14. b4 exd4 15. Qxd4+ Qf6 16. Qxf6+ Nxf6 17. Rd1 Ne4 18. Nxe4 Rxe4 19. Rd4 Rxd4 20. exd4 Bf5 21. Kd2 Re8 22. g4 Bc2 23. Rc1 Ba4 24. Bf3 Bb5 25. Re1 Rxe1 26. Kxe1 g5 27. Bg2 Kg6 28. Kd2 h5 29. Ke3 h4 30. f3 f5 31. Kf2 Bc4 32. Bf1 Bxf1 33. Kxf1 Kf6 34. Ke2 fxg4 35. fxg4 Ke6 36. Kd3 Kd7 37. Kc3 Kc7 38. Kb3 b5 1/2-1/2

