[Event "NED-Cup sf M34 corr"]
[Site "Netherlands"]
[Date "1991.??.??"]
[Round "?"]
[White "De Boer, J."]
[Black "Koopmans, Perry E"]
[Result "1/2-1/2"]
[ECO "D07"]
[PlyCount "56"]
[EventDate "1991.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. Nc3 Nc6 4. Nf3 Bg4 5. Ne5 dxc4 6. Nxg4 Nxg4 7. d5 Nb8 8. e4 Qd7 9. Bxc4 Ne5 10. Qb3 Nxc4 11. Qxc4 c6 12. Bf4 cxd5 13. Nxd5 Na6 14. Rd1 Qc6 15. Qd4 e6 16. Rc1 Qb5 17. Nc3 Qb4 18. Qe5 Nc5 19. Rd1 f6 20. Qh5+ g6 21. Qe2 Rc8 22. a3 Qb3 23. Nb5 e5 24. Nxa7 Ra8 25. Nb5 Rc8 26. Bg3 Be7 27. Nc3 0-0 28. 0-0 Rfd8 1/2-1/2

[Event "NED-ch H291 corr"]
[Site "Netherlands"]
[Date "1987.??.??"]
[Round "?"]
[White "De Boer, J."]
[Black "Schaaps, Cor"]
[Result "0-1"]
[ECO "C17"]
[PlyCount "34"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Nf3 cxd4 6. Nxd4 Qc7 7. Bb5+ Bd7 8. 0-0 Nc6 9. Qg4 Bxc3 10. Bxc6 Bxc6 11. Qxg7 Bxd4 12. Qxh8 0-0-0 13. Qxh7 Bxe5 14. c3 Nf6 15. Qh4 Ne4 16. Be3 Rh8 17. Bh6 Bg7 0-1

