[Event "Utrecht OKU op 38th"]
[Site "Utrecht"]
[Date "2011.06.04"]
[Round "2"]
[White "De Groot, Pieter"]
[Black "Middelkoop, Erik"]
[Result "1-0"]
[ECO "E11"]
[PlyCount "49"]
[EventDate "2011.06.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Be7 6. Nf3 0-0 7. Qc2 Nbd7 8. 0-0 c5 9. Na3 cxd4 10. Nxd4 e5 11. Nf5 Bxa3 12. bxa3 Nb6 13. Bb4 Bxf5 14. Qxf5 Qc8 15. Qxe5 Re8 16. Qd4 Qxc4 17. Qxc4 Nxc4 18. e3 a5 19. Bc3 Ne4 20. Rac1 Nxa3 21. Rfd1 Nb5 22. Be1 Red8 23. a4 Na3 24. Rd3 Nc4 25. Bxe4 1-0

[Event "Utrecht OKU op 38th"]
[Site "Utrecht"]
[Date "2011.06.04"]
[Round "3"]
[White "Middelkoop, Erik"]
[Black "Post, Maarten"]
[Result "1/2-1/2"]
[ECO "B22"]
[BlackElo "1972"]
[PlyCount "37"]
[EventDate "2011.06.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 e6 6. d4 Nb6 7. Bb3 d5 8. 0-0 Be7 9. Be3 Nd7 10. Bc2 cxd4 11. cxd4 f6 12. Nh4 Nf8 13. Nf3 Nd7 14. Nc3 fxe5 15. Nxe5 Ndxe5 16. dxe5 g6 17. Bh6 a6 18. Qe2 Nd4 19. Qd2 1/2-1/2

