[Event "NED corr"]
[Site "Netherlands"]
[Date "1991.??.??"]
[Round "?"]
[White "Ijkema, W."]
[Black "Perrenet, Jacob"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "68"]
[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. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qa5 5. d4 Bg4 6. Bd2 Qh5 7. Be2 0-0-0 8. Ng5 Bxe2 9. Qxe2 Qg6 10. Qe4 Nh6 11. Qxg6 hxg6 12. d5 Nb4 13. 0-0 Nxd5 14. Nxd5 Rxd5 15. Be3 e6 16. Rad1 Be7 17. Rxd5 exd5 18. Nf3 Nf5 19. Ne5 Bf6 20. Nd3 Nxe3 21. fxe3 Re8 22. Kf2 b6 23. c3 c6 24. Nb4 Kc7 25. Rd1 a5 26. Nc2 b5 27. a3 Be5 28. Nd4 Kb6 29. h3 Bd6 30. Nc2 Re4 31. Rd4 f5 32. Rxe4 fxe4 33. Nd4 Be5 34. Ne6 b4 0-1

[Event "NED-ch H corr"]
[Site "Netherlands"]
[Date "1988.??.??"]
[Round "?"]
[White "Ijkema, W."]
[Black "Van der Leek, Mark"]
[Result "1/2-1/2"]
[ECO "A19"]
[PlyCount "56"]
[EventDate "1988.??.??"]
[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. c4 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8 5. d4 cxd4 6. Qxd4 Nc6 7. Qe4 Qa5 8. Nf3 f5 9. Qe2 Nge7 10. Bd2 Ng6 11. Nd5 Nb4 12. Nxb4 Bxb4 13. a3 Bxd2+ 14. Qxd2 Qxd2+ 15. Kxd2 b6 16. Re1 Bb7 17. Nd4 a6 18. h4 Rc8 19. b4 Kf7 20. Rh2 Rcd8 21. h5 Ne7 22. f4 d5 23. Ke3 Ng8 24. Be2 Rd7 25. g3 Nf6 26. c5 bxc5 27. h6 Rb8 28. a4 a5 1/2-1/2

[Event "NED-ch H274 corr"]
[Site "Netherlands"]
[Date "1986.??.??"]
[Round "?"]
[White "Hoogenboom, JJ."]
[Black "Ijkema, W."]
[Result "1-0"]
[ECO "D39"]
[PlyCount "53"]
[EventDate "1986.??.??"]
[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 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Bb4+ 5. Nc3 dxc4 6. e4 c5 7. Bxc4 cxd4 8. Nxd4 Qa5 9. Bxf6 Bxc3+ 10. bxc3 Qxc3+ 11. Kf1 Qxc4+ 12. Kg1 Nd7 13. Bxg7 Rg8 14. Rc1 Qa6 15. Bh6 e5 16. Nf5 Qg6 17. g3 Nb6 18. Nd6+ Ke7 19. Rc7+ Bd7 20. Be3 Rgd8 21. Bc5 Kf6 22. Qf3+ Kg7 23. Nf5+ Bxf5 24. exf5 Qh6 25. f6+ Kg8 26. Rxb7 Rac8 27. Bxb6 1-0

[Event "NED-ch H274 corr"]
[Site "Netherlands"]
[Date "1986.??.??"]
[Round "?"]
[White "Ijkema, W."]
[Black "Hilarius, Sander"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "53"]
[EventDate "1986.??.??"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Bc4 Nf6 6. Nxc3 Bb4 7. e5 d5 8. exf6 dxc4 9. Qxd8+ Nxd8 10. fxg7 Rg8 11. Bh6 Bxc3+ 12. bxc3 Ne6 13. 0-0-0 Nxg7 14. Rhe1+ Be6 15. g4 Rd8 16. Ng5 Rxd1+ 17. Kxd1 Kd7 18. h3 Ne8 19. Nxh7 Rh8 20. Nf8+ Ke7 21. Rxe6+ fxe6 22. Ng6+ Kf7 23. Nxh8+ Kg8 24. Ng6 Kh7 25. Nf8+ Kxh6 26. Nxe6 Nd6 27. f3 1-0

