[Event "NED corr"]
[Site "Netherlands"]
[Date "1990.??.??"]
[Round "?"]
[White "Van der Tak, Abraham C"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "1/2-1/2"]
[ECO "B04"]
[PlyCount "72"]
[EventDate "1990.??.??"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 d5 8. f4 f6 9. Nf3 Nc6 10. c3 0-0 11. 0-0 fxe5 12. fxe5 Bf5 13. Nbd2 Qd7 14. Rf2 Na5 15. Bc2 Bxc2 16. Qxc2 c5 17. Nb3 Nxb3 18. axb3 cxd4 19. cxd4 Rac8 20. Qd3 Na8 21. Bg5 a6 22. Qd2 Rf7 23. Bh6 Nc7 24. Bxg7 Kxg7 25. e6 Nxe6 26. Ne5 Rxf2 27. Qxf2 Qd6 28. Qf7+ Kh8 29. Nf3 Ng7 30. Re1 e6 31. Qxb7 Rf8 32. Ne5 Kg8 33. Rc1 Qd8 34. Rc7 Qf6 35. Nf3 g5 36. h3 h5 1/2-1/2

[Event "NED corr"]
[Site "Netherlands"]
[Date "1986.??.??"]
[Round "?"]
[White "Van der Tak, Abraham C"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "0-1"]
[ECO "C74"]
[PlyCount "50"]
[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. Bb5 a6 4. Ba4 d6 5. c3 f5 6. exf5 Bxf5 7. 0-0 Bd3 8. Re1 Be7 9. Re3 e4 10. Ne1 Bg5 11. Rh3 Nh6 12. Nxd3 exd3 13. Qe1+ Kd7 14. Rxd3 Rf8 15. Na3 Ng4 16. Bxc6+ bxc6 17. f3 Qe8 18. Qg3 h5 19. Rd4 Bf4 20. Rxf4 Rxf4 21. d4 Rf7 22. fxg4 Qe2 23. Bg5 h4 24. Bxh4 Raf8 25. h3 Qxb2 0-1

[Event "NED corr"]
[Site "Netherlands"]
[Date "1985.??.??"]
[Round "?"]
[White "Moura, Antonio Jose Brito"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "0-1"]
[ECO "A79"]
[PlyCount "80"]
[EventDate "1985.??.??"]
[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 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0 Re8 10. Nd2 Na6 11. f3 Nd7 12. Kh1 f5 13. exf5 gxf5 14. Nc4 Ne5 15. Nxe5 Bxe5 16. f4 Bg7 17. Bh5 Re7 18. Bd2 Bd7 19. a4 c4 20. Be2 Rc8 21. Rf3 Bf6 22. Be3 Nc5 23. Bd4 Qf8 24. Bxf6 Qxf6 25. Qf1 Ne4 26. Nxe4 Rxe4 27. Rc3 Rce8 28. Bh5 R8e7 29. Rxc4 Rxc4 30. Qxc4 Qh4 31. Be2 Re4 32. Qd3 Qxf4 33. b3 Qe5 34. Ra2 Re3 35. Qd2 f4 36. Bf1 Rxb3 37. Qa5 b6 38. Qxa7 Qe1 39. Kg1 Qe3+ 40. Rf2 Rb2 0-1

[Event "NED corr"]
[Site "Netherlands"]
[Date "1985.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Gatto, Claudio"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "43"]
[EventDate "1985.??.??"]
[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 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 e6 6. Nf3 d6 7. 0-0 a6 8. Qe2 b5 9. Bb3 Ra7 10. Rd1 Be7 11. Bf4 Rd7 12. Rac1 Bb7 13. a3 Nf6 14. Ng5 0-0 15. Nxe6 fxe6 16. Bxe6+ Kh8 17. Bxd7 Qxd7 18. e5 Ne8 19. exd6 Rxf4 20. dxe7 Qf5 21. Rd8 Qg6 22. Qd3 1-0

[Event "EU-ch M corr"]
[Site "ICCF corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Siegmund, Rainer"]
[Result "1/2-1/2"]
[ECO "A03"]
[PlyCount "45"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. f4 c5 2. b3 Nf6 3. Bb2 d5 4. e3 g6 5. Nf3 Bg7 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. Ne5 Qc7 9. 0-0 0-0 10. d3 Nfd7 11. d4 e6 12. Na3 a6 13. Rc1 Nxe5 14. fxe5 Bh6 15. Qf3 cxd4 16. exd4 Bxc1 17. Bxc1 Nd7 18. Bh6 Qa5 19. Bxf8 Rxf8 20. Nb1 Qb6 21. Qe3 f6 22. exf6 e5 23. c3 1/2-1/2

[Event "NED-ch14 corr8486"]
[Site "Netherlands"]
[Date "1984.??.??"]
[Round "?"]
[White "De Ruiter, Tom"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "1-0"]
[ECO "A02"]
[PlyCount "30"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g5 5. g3 g4 6. Nh4 Ne7 7. d4 Ng6 8. Nxg6 hxg6 9. Qd3 Nc6 10. c3 Qe7 11. Bg2 Bd7 12. Nd2 0-0-0 13. Ne4 Rh5 14. Nxd6+ cxd6 15. Qe3 Qf6 1-0

[Event "NED-ch14 corr8486"]
[Site "Netherlands"]
[Date "1984.??.??"]
[Round "?"]
[White "Elburg, John"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "1-0"]
[ECO "B04"]
[PlyCount "27"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 d5 8. f4 Nc6 9. c3 f6 10. Nf3 Bf5 11. 0-0 Qd7 12. Nbd2 fxe5 13. fxe5 0-0 14. Rf2 1-0

[Event "NED-ch14 corr8486"]
[Site "Netherlands"]
[Date "1984.??.??"]
[Round "?"]
[White "Etmans, Maarten D"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "1-0"]
[ECO "B03"]
[PlyCount "36"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Bf5 7. Nc3 e6 8. Nf3 Nc6 9. Be3 Be7 10. Be2 0-0 11. 0-0 f6 12. exf6 Bxf6 13. Qd2 Qe7 14. Rad1 Rad8 15. Qc1 h6 16. Kh1 Kh8 17. h3 Bh7 18. Bg1 Rfe8 1-0

[Event "NED-ch14 corr8486"]
[Site "Netherlands"]
[Date "1984.??.??"]
[Round "?"]
[White "Heijnens, RJH"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "1-0"]
[ECO "B04"]
[PlyCount "22"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 c6 6. 0-0 Bg7 7. exd6 Qxd6 8. h3 0-0 9. Nbd2 Nd7 10. Bb3 Qc7 11. Re1 e5 1-0

[Event "NED-ch14 corr8486"]
[Site "Netherlands"]
[Date "1984.??.??"]
[Round "?"]
[White "Hendriks, Richard V"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "1-0"]
[ECO "B04"]
[PlyCount "40"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 d5 8. f4 Nc6 9. c3 f6 10. Nf3 Bf5 11. 0-0 Qd7 12. Nbd2 fxe5 13. fxe5 0-0 14. Rf2 Na5 15. Bc2 Bxc2 16. Qxc2 c5 17. Nb3 Nxb3 18. axb3 cxd4 19. cxd4 Rad8 20. Qd3 Na8 1-0

[Event "NED-ch14 corr8486"]
[Site "Netherlands"]
[Date "1984.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Fiorito, Mario V"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "29"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 e5 6. Nf3 exd4 7. Qxd4 Nf6 8. Bc4 Bb4+ 9. Bd2 Bxd2+ 10. Nbxd2 Qxd4 11. Nxd4 a6 12. 0-0 0-0 13. Rfe1 g6 14. Bb3 Nbd7 15. Rac1 0-1

[Event "NED-ch14 corr8486"]
[Site "Netherlands"]
[Date "1984.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Goedkoop, Albert J"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "25"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 Rb8 6. a4 a6 7. f4 d6 8. Nf3 b5 9. axb5 axb5 10. 0-0 b4 11. Nd5 e6 12. Ne3 Nge7 13. f5 0-1

[Event "NED-ch14 corr8486"]
[Site "Netherlands"]
[Date "1984.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Overveld, Ronald"]
[Result "0-1"]
[ECO "A03"]
[PlyCount "17"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. f4 d5 2. b3 Bg4 3. Bb2 Nc6 4. Nf3 Bxf3 5. exf3 Qd6 6. f5 0-0-0 7. Bd3 h5 8. Qe2 Nh6 9. Nc3 0-1

[Event "NED-ch14 corr8486"]
[Site "Netherlands"]
[Date "1984.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Stavast, DW."]
[Result "0-1"]
[ECO "A03"]
[PlyCount "23"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. f4 d5 2. b3 Nf6 3. Bb2 Bf5 4. e3 e6 5. Nf3 Nbd7 6. Be2 h5 7. Nc3 c6 8. Bd3 Bd6 9. Bxf5 exf5 10. Qe2 Qe7 11. 0-0-0 0-0-0 12. Rde1 0-1

[Event "NED-ch14 corr8486"]
[Site "Netherlands"]
[Date "1984.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Van Buuren, G."]
[Result "0-1"]
[ECO "C80"]
[PlyCount "31"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[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. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 d4 11. Bxe6 Nxe6 12. cxd4 Ncxd4 13. Ne4 Be7 14. Be3 Nf5 15. Qc2 0-0 16. Nf6+ 0-1

[Event "NED-ch14 corr8486"]
[Site "Netherlands"]
[Date "1984.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Van der Drift, AJF"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "25"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 dxe5 6. fxe5 g6 7. Nf3 Bg7 8. Bc4 0-0 9. 0-0 Nc6 10. d4 Na5 11. Bd3 Be6 12. Qe1 Bc4 13. Ng5 0-1

[Event "NED-ch14 corr8486"]
[Site "Netherlands"]
[Date "1984.??.??"]
[Round "?"]
[White "Raijmaekers, Paul PW"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "1-0"]
[ECO "A67"]
[PlyCount "34"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[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 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nbd7 9. e5 dxe5 10. fxe5 Nh5 11. e6 Qh4+ 12. g3 Nxg3 13. hxg3 Qxg3+ 14. Kd2 Bxc3+ 15. bxc3 Qg2+ 16. Qe2 Qxd5+ 17. Kc2 Qxe6 1-0

[Event "NED-ch14 corr8486"]
[Site "Netherlands"]
[Date "1984.??.??"]
[Round "?"]
[White "Van der Zwan, JJ."]
[Black "Nederkoorn, Cornelis AJ"]
[Result "1-0"]
[ECO "C68"]
[PlyCount "20"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[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. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bd6 6. d4 exd4 7. Qxd4 f6 8. b3 Ne7 9. Nbd2 Be6 10. Nc4 Bb4 1-0

[Event "EU-ch M561 corr"]
[Site "ICCF corr"]
[Date "1983.??.??"]
[Round "?"]
[White "Aigmueller, Max"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "0-1"]
[ECO "A28"]
[PlyCount "80"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Bg5 h6 7. Bh4 Bxc3+ 8. bxc3 d6 9. e3 Ne5 10. f4 Ng6 11. Bxf6 Qxf6 12. g3 0-0 13. Qd3 Re8 14. Bg2 Qe7 15. Kf2 Qf6 16. Nf3 Nf8 17. Rhe1 Ne6 18. Nd4 Nc5 19. Qc2 h5 20. Nb3 Bf5 21. e4 Nxb3 22. axb3 Bd7 23. Qd2 Bc6 24. Qd4 h4 25. Ra5 hxg3+ 26. hxg3 Qxd4+ 27. cxd4 b6 28. Ra2 a5 29. d5 Bd7 30. e5 Bf5 31. e6 a4 32. b4 a3 33. Re3 Kf8 34. Bf3 Ra4 35. Raxa3 Rea8 36. Rxa4 Rxa4 37. g4 Bb1 38. e7+ Ke8 39. f5 Rxb4 40. Re1 Bc2 0-1

[Event "EU-ch M corr"]
[Site "ICCF corr"]
[Date "1982.??.??"]
[Round "?"]
[White "Johansson, Clas Erik"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "1/2-1/2"]
[ECO "C74"]
[PlyCount "56"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[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. Bb5 a6 4. Ba4 d6 5. c3 f5 6. exf5 Bxf5 7. 0-0 Bd3 8. Re1 Be7 9. Re3 e4 10. Ne1 Bg5 11. Rh3 Nf6 12. Nxd3 exd3 13. Qe1+ Kd7 14. Rxd3 Re8 15. Qf1 Re4 16. Bxc6+ bxc6 17. Na3 Qe8 18. Nc2 Qg6 19. Rd4 Rf8 20. d3 Rxd4 21. Nxd4 Ng4 22. Bxg5 Qxg5 23. Qe2 Re8 24. Qf3 d5 25. Qh3 h5 26. Rf1 g6 27. f3 Qe3+ 28. Kh1 Qf2 1/2-1/2

[Event "olm10 qual GP1 B5 corr"]
[Site "ICCF corr"]
[Date "1982.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Binham, Timothy F"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "60"]
[EventDate "1982.??.??"]
[EventType "team (corr)"]
[EventRounds "11"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. dxc5 Bxc5 7. Bd3 Nge7 8. Bf4 Ng6 9. Bg3 f5 10. exf6 Qxf6 11. 0-0 0-0 12. Nbd2 Nf4 13. Nb3 Bb6 14. Bb5 Be8 15. Ne1 a6 16. Be2 Rd8 17. Nd3 g5 18. Nbc5 Qe7 19. b4 e5 20. Bg4 e4 21. Bxf4 gxf4 22. Ne6 exd3 23. Nxd8 Qxd8 24. Qxd3 d4 25. c4 Ne5 26. Be6+ Kh8 27. Qe4 Qf6 28. Rfe1 Qxe6 29. Qxe5+ Qxe5 30. Rxe5 Ba4 0-1

[Event "olm10 qual GP1 B5 corr"]
[Site "ICCF corr"]
[Date "1982.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Veress, Robert"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "85"]
[EventDate "1982.??.??"]
[EventType "team (corr)"]
[EventRounds "11"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 e6 6. Nf3 d6 7. 0-0 a6 8. Qe2 b5 9. Bb3 Ra7 10. Rd1 Be7 11. Bf4 Rd7 12. Rac1 Bb7 13. a3 Nf6 14. Ng5 0-0 15. Nxe6 fxe6 16. Bxe6+ Kh8 17. Bxd7 Qxd7 18. e5 Ng8 19. Bg3 Re8 20. Qd3 Na5 21. exd6 Bg5 22. Rc2 Nc4 23. Re2 Rxe2 24. Qxe2 Bf6 25. Rd3 a5 26. f3 b4 27. axb4 axb4 28. Ne4 Bxe4 29. fxe4 Nxb2 30. Rd5 Qc6 31. d7 Na4 32. Qd3 Bd8 33. h3 Nc3 34. Rd4 Nf6 35. Rd6 Qa8 36. Qa6 Qxe4 37. Qc8 Qe7 38. Re6 Qxe6 39. Qxd8+ Ng8 40. Qe8 Ne2+ 41. Kf2 Nd4 42. d8Q Qa2+ 43. Kg1 1-0

[Event "olm10 qual GP1 B5 corr"]
[Site "ICCF corr"]
[Date "1982.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Wills, Colin"]
[Result "0-1"]
[ECO "A02"]
[PlyCount "98"]
[EventDate "1982.??.??"]
[EventType "team (corr)"]
[EventRounds "11"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 g6 3. b4 Bg7 4. Bb2 0-0 5. e3 a5 6. b5 a4 7. Na3 d6 8. Rb1 Nbd7 9. Be2 c5 10. Nc4 d5 11. Nce5 a3 12. Ba1 Ne4 13. Nxd7 Bxd7 14. Bxg7 Kxg7 15. c4 Bf5 16. Rc1 d4 17. exd4 cxd4 18. Bd3 Nc5 19. Bxf5 gxf5 20. d3 Qd6 21. g3 Qe6+ 22. Kf2 Qe3+ 23. Kg2 Qxd3 24. Qxd3 Nxd3 25. Rcd1 Nb4 26. Nxd4 Nxa2 27. Nxf5+ Kf6 28. Ne3 Nb4 29. Nd5+ Nxd5 30. Rxd5 Rfd8 31. Rxd8 Rxd8 32. Kf3 Rd4 33. Ra1 Rxc4 34. Rxa3 Rb4 35. Ra5 b6 36. Ra7 h5 37. Rb7 Rxb5 38. Ke4 e6 39. Kd4 Rb2 40. h3 Rb3 41. g4 Rxh3 42. gxh5 Rxh5 43. Rxb6 Kf5 44. Rb7 f6 45. Rb5+ Kg4 46. Rb6 Rh1 47. Rxe6 Rd1+ 48. Kc3 f5 49. Kc2 Rd8 0-1

[Event "olm10 qual GP1 B5 corr"]
[Site "ICCF corr"]
[Date "1982.??.??"]
[Round "?"]
[White "Rinaldi, Carlos Alberto"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "0-1"]
[ECO "B03"]
[PlyCount "108"]
[EventDate "1982.??.??"]
[EventType "team (corr)"]
[EventRounds "11"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3 e6 9. Nf3 Be7 10. d5 exd5 11. cxd5 Nb4 12. Nd4 Bd7 13. e6 fxe6 14. dxe6 Bc6 15. Qg4 Bh4+ 16. g3 Bxh1 17. 0-0-0 Qf6 18. gxh4 0-0 19. Bg5 Qxf1 20. Rxf1 Rxf1+ 21. Nd1 Nd3+ 22. Kc2 Ne1+ 23. Kc3 Nd5+ 24. Kc4 Nf3 25. Nxf3 Bxf3 26. Qh3 Be2+ 27. Kxd5 Rxd1+ 28. Ke4 Bc4 29. e7 Rd6 30. Qc3 Bf7 31. Qxc7 Re6+ 32. Kf5 Re8 33. h5 h6 34. Bh4 Rb6 35. a3 Rxb2 36. Be1 Rb6 37. Kg4 Rb5 38. Kf4 a6 39. Bb4 Bxh5 40. Qc4+ Bf7 41. Qc7 Be6 42. Kg3 Kf7 43. Qf4+ Rf5 44. Qc7 a5 45. Bd6 Rd5 46. Qb6 Rd2 47. Bc5 Rc8 48. a4 Rd5 49. Be3 Kxe7 50. Qxb7+ Kf8 51. Qb6 Re8 52. Bc5+ Kg8 53. h4 Rd3+ 54. Kf4 Bd5 0-1

[Event "corr"]
[Site "corr"]
[Date "1981.??.??"]
[Round "?"]
[White "Kling, Karl Adolf"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "80"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "1"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3 Nxc3 7. dxc3 Nc6 8. Bf4 Bxc5 9. Qg4 g5 10. Bxg5 Rg8 11. Bxd8 Rxg4 12. Be2 Rxg2 13. Bxc7 b6 14. Nh3 Bb7 15. Bf3 Rg8 16. 0-0-0 Na5 17. Rhg1 Ke7 18. Bd6+ Bxd6 19. exd6+ Kf6 20. Bg4 h5 21. Be2 Rxg1 22. Rxg1 Bc6 23. Nf4 Ke5 24. Nxh5 Kxd6 25. h4 Rh8 26. Rg7 Ke7 27. Rg3 Nc4 28. Rh3 Nd6 29. Ng3 e5 30. Bd3 Ke6 31. Nf1 f5 32. Ne3 f4 33. Nc2 Ne4 34. Bxe4 Bxe4 35. f3 Bg6 36. Kd2 d5 37. Rh1 Bh5 38. Ke2 Rg8 39. Kf2 Rg3 40. Ne1 e4 0-1

[Event "EU-ch M474 corr"]
[Site "ICCF corr"]
[Date "1980.??.??"]
[Round "?"]
[White "Krantz, Kjell Erik"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "1-0"]
[ECO "A71"]
[PlyCount "73"]
[EventDate "1980.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5 h6 9. Bh4 a6 10. Nd2 b5 11. a4 b4 12. Ncb1 0-0 13. Bd3 Re8 14. 0-0 Nbd7 15. f4 Qc7 16. Qc2 Rb8 17. a5 c4 18. Nxc4 b3 19. Qe2 Nxd5 20. Nbd2 Nc5 21. Bb1 Nxf4 22. Rxf4 d5 23. Bg3 dxc4 24. Nxc4 Rb4 25. Rf1 Qd7 26. Nd6 Rf8 27. e5 Qg4 28. Qe3 Qd4 29. Bf2 Bxe5 30. Qe1 Qxd6 31. Qxb4 Bxh2+ 32. Kh1 Ne6 33. Qxb3 Bf4 34. Be3 Bg3 35. Bxh6 Qe5 36. Bxg6 Qh8 37. Bh7+ 1-0

[Event "olm8 fin B4 corr"]
[Site "ICCF corr"]
[Date "1977.??.??"]
[Round "?"]
[White "Krantz, Kjell Erik"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "1/2-1/2"]
[ECO "B03"]
[PlyCount "60"]
[EventDate "1977.??.??"]
[EventType "team (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3 e6 9. Nf3 Be7 10. d5 exd5 11. cxd5 Nb4 12. Nd4 Bd7 13. e6 fxe6 14. dxe6 Bc6 15. Qg4 Bh4+ 16. g3 Bxh1 17. 0-0-0 0-0 18. gxh4 Qf6 19. Bb5 Qe5 20. Bg5 c5 21. e7 cxd4 22. exf8Q+ Rxf8 23. Rxh1 dxc3 24. Qxb4 cxb2+ 25. Kb1 Nd5 26. Qc4 Rf2 27. Qc8+ Kf7 28. Qxb7+ Kg8 29. Qc8+ Rf8 30. Qc4 Rf2 1/2-1/2

[Event "olm8 fin B4 corr"]
[Site "ICCF corr"]
[Date "1977.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Kahn, Manfred"]
[Result "1/2-1/2"]
[ECO "C02"]
[PlyCount "75"]
[EventDate "1977.??.??"]
[EventType "team (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Be2 Bb5 7. dxc5 Bxc5 8. b4 Bxf2+ 9. Kf1 Bc6 10. c4 dxc4 11. Na3 Bd5 12. Nxc4 Bxc4 13. Bxc4 Nc6 14. Qe2 Bd4 15. Rb1 Nge7 16. b5 Na5 17. Bd3 Nd5 18. Qe4 Nc3 19. Qxd4 Qxd4 20. Nxd4 Nxb1 21. Bxb1 0-0-0 22. Bb2 Rxd4 23. Bxd4 Rd8 24. Ke2 Rxd4 25. Rf1 Rd7 26. Bd3 Kd8 27. Ke3 h6 28. h4 b6 29. g4 Nb7 30. g5 Nc5 31. Bc2 hxg5 32. hxg5 g6 33. Rd1 Rd5 34. Rxd5+ exd5 35. Kd4 Ne6+ 36. Kxd5 Nxg5 37. Kd6 Nf3 38. e6 1/2-1/2

[Event "olm8 fin B4 corr"]
[Site "ICCF corr"]
[Date "1977.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Sande, Oystein"]
[Result "0-1"]
[ECO "C93"]
[PlyCount "62"]
[EventDate "1977.??.??"]
[EventType "team (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 h6 10. d4 Re8 11. Be3 Bf8 12. Nbd2 Bb7 13. Qb1 Qd7 14. Qd3 Na5 15. Bc2 Nc4 16. Nxc4 Bxe4 17. Qd2 Bxc2 18. Ncxe5 Qf5 19. Ng4 Nd7 20. b3 Be4 21. Ngh2 Nb6 22. Qd1 c5 23. Nf1 Bxf3 24. Qxf3 Qxf3 25. gxf3 c4 26. a4 cxb3 27. axb5 a5 28. Nd2 a4 29. c4 Rec8 30. d5 Nxc4 31. b6 Nxd2 0-1

[Event "olm8 fin B4 corr"]
[Site "ICCF corr"]
[Date "1977.??.??"]
[Round "?"]
[White "Penrose, Jonathan"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "1-0"]
[ECO "B04"]
[PlyCount "73"]
[EventDate "1977.??.??"]
[EventType "team (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 d5 8. f4 Nc6 9. c3 f6 10. Nf3 Bf5 11. 0-0 Qd7 12. Nbd2 fxe5 13. fxe5 0-0 14. Rf2 Na5 15. Bc2 Bxc2 16. Qxc2 c5 17. Nb3 Nxb3 18. axb3 cxd4 19. cxd4 Rac8 20. Qd3 a6 21. Bg5 Na8 22. Qd2 Rf7 23. Bh6 Nc7 24. Bxg7 Kxg7 25. e6 Nxe6 26. Ne5 Rxf2 27. Qxf2 Qd6 28. Qf7+ Kh8 29. Nf3 Nf8 30. Re1 e6 31. Qf6+ Kg8 32. Ne5 Qb4 33. Rf1 Qxd4+ 34. Kh1 h6 35. Qf7+ Kh8 36. Qxb7 Qc5 37. Nf7+ 1-0

[Event "NED-ch05 corr7476"]
[Site "Netherlands"]
[Date "1974.??.??"]
[Round "?"]
[White "Mooij, Walter Johan"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "1/2-1/2"]
[ECO "A79"]
[PlyCount "113"]
[EventDate "1974.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[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 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0 Re8 10. Nd2 Na6 11. f3 Nd7 12. Nc4 Ne5 13. Ne3 f5 14. f4 Nf7 15. exf5 gxf5 16. Kh1 Qf6 17. Bd3 Bd7 18. a3 Nc7 19. a4 Re7 20. Qc2 Nh6 21. Bd2 Rae8 22. Rf3 Na6 23. Na2 Qxb2 24. Qxb2 Bxb2 25. Rb1 Bd4 26. Nc4 Nf7 27. Rxb7 Bc8 28. Rxe7 Rxe7 29. Na5 Nd8 30. h3 Nc7 31. Nc3 Bxc3 32. Bxc3 Kf8 33. Nc6 Nxc6 34. dxc6 Nd5 35. Bd2 Nb4 36. Bxb4 cxb4 37. Bc4 Re1+ 38. Kh2 Ke7 39. Rg3 Kd8 40. Rg7 Re7 41. Rg8+ Kc7 42. a5 Be6 43. Bxe6 Rxe6 44. Rg7+ Kxc6 45. Rxa7 Re8 46. a6 Rb8 47. Re7 d5 48. g4 d4 49. gxf5 b3 50. Rb7 Rxb7 51. axb7 Kxb7 52. f6 b2 53. f7 b1Q 54. f8Q Qc2+ 55. Kg3 d3 56. Qb4+ Ka6 57. Qe4 1/2-1/2

[Event "NED-ch05 corr7476"]
[Site "Netherlands"]
[Date "1974.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "De Waard, ER."]
[Result "1-0"]
[ECO "C73"]
[PlyCount "81"]
[EventDate "1974.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[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. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 7. Be3 g6 8. Qd2 Bg7 9. Nc3 Ne7 10. 0-0-0 0-0 11. Bh6 Be6 12. h4 Qe8 13. h5 gxh5 14. Bxg7 Kxg7 15. dxe5 dxe5 16. Qe3 Qf7 17. Qc5 Bg4 18. Rd3 Rfd8 19. Ne1 Ng6 20. Qxc6 Nf4 21. Rxd8 Rxd8 22. f3 Bc8 23. b3 Qe7 24. Kb2 Rd6 25. Qc5 Ne6 26. Qe3 Qf7 27. Nd3 h6 28. g4 Ng5 29. Rxh5 Be6 30. Rh4 Qe7 31. Rh1 Bf7 32. Qf2 Qf8 33. Qh4 Qh8 34. f4 exf4 35. Nxf4 Rd4 36. Nfe2 Rd6 37. Ng3 Bg6 38. Nf5+ Bxf5 39. gxf5 Rd8 40. Nd5 c6 41. Nc7 1-0

[Event "NED-ch05 corr7476"]
[Site "Netherlands"]
[Date "1974.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Giesbergen, HJ."]
[Result "1/2-1/2"]
[ECO "C95"]
[PlyCount "37"]
[EventDate "1974.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[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. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 c5 13. b3 Re8 14. d5 Nb6 15. a4 Qc7 16. Nf1 bxa4 17. bxa4 a5 18. Bg5 h6 19. Bh4 1/2-1/2

[Event "NED-ch05 corr7476"]
[Site "Netherlands"]
[Date "1974.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Meddeler, Hein"]
[Result "1-0"]
[ECO "B53"]
[PlyCount "63"]
[EventDate "1974.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. c4 Nf6 6. Nc3 g6 7. Bg5 Bg7 8. Qd2 h6 9. Bf4 Nc6 10. Be2 Be6 11. h4 Rc8 12. Rc1 Qa5 13. 0-0 Bg4 14. Rfe1 Qh5 15. Bg3 g5 16. Bd1 Nd7 17. Nd5 Nde5 18. Nxe5 dxe5 19. f3 Be6 20. hxg5 hxg5 21. Ba4 g4 22. Rcd1 b5 23. cxb5 Nd4 24. bxa6+ Kf8 25. Kf2 gxf3 26. Rh1 Qxh1 27. Rxh1 Rxh1 28. a7 fxg2 29. Kxg2 Rg1+ 30. Kf2 Bh3 31. Ne3 Bh6 32. Bxe5 1-0

[Event "NED-ch05 corr7476"]
[Site "Netherlands"]
[Date "1974.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Noorda, Sybold J"]
[Result "0-1"]
[ECO "C89"]
[PlyCount "54"]
[EventDate "1974.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[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. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Be3 Bg4 16. Qd3 Rae8 17. Nd2 Re6 18. a4 bxa4 19. Rxa4 f5 20. Qf1 Qh5 21. f4 Rb8 22. Bxd5 cxd5 23. Qg2 Qe8 24. Qxd5 Kh8 25. Nc4 Bxf4 26. gxf4 Rg6 27. Kh1 Qd7 0-1

[Event "NED-ch05 corr7476"]
[Site "Netherlands"]
[Date "1974.??.??"]
[Round "?"]
[White "Nienhuis, Kier H"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "1/2-1/2"]
[ECO "B04"]
[PlyCount "48"]
[EventDate "1974.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 d5 8. f4 Nc6 9. c3 f6 10. Nf3 Bf5 11. 0-0 Qd7 12. Nbd2 fxe5 13. fxe5 0-0 14. Rf2 Na5 15. Bc2 Bxc2 16. Qxc2 c5 17. Qd1 cxd4 18. cxd4 Rac8 19. b3 Nc6 20. Nf1 Na8 21. Be3 Nc7 22. Qd2 Ne6 23. Ng3 a5 24. Ne2 Nb4 1/2-1/2

[Event "EU-chT1 qual 1-06 corr"]
[Site "ICCF corr"]
[Date "1973.??.??"]
[Round "?"]
[White "Mueller, Laszlo"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "1-0"]
[ECO "A16"]
[PlyCount "81"]
[EventDate "1973.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. b3 Bg7 4. Bb2 0-0 5. e3 e5 6. g4 d6 7. h3 Bd7 8. Nge2 Bc6 9. Rg1 a5 10. Ng3 Na6 11. h4 e4 12. g5 Nd7 13. d4 exd3 14. Bxd3 Nac5 15. Be2 f5 16. f4 Re8 17. Kf2 Ne4+ 18. Ngxe4 Bxe4 19. Nxe4 Bxb2 20. Rb1 Bg7 21. Ng3 Qe7 22. Qd2 Nc5 23. Bf3 c6 24. Rge1 Qc7 25. h5 Re6 26. a3 a4 27. b4 Nb3 28. Qd3 Rae8 29. Nf1 Qe7 30. h6 Bh8 31. Nd2 Bd4 32. Rxb3 Bxe3+ 33. Rxe3 axb3 34. Rxe6 Qxe6 35. Nxb3 Qe1+ 36. Kg2 Re3 37. Qd4 Qc3 38. Qxc3 Rxc3 39. Na5 b6 40. Nxc6 Rxa3 41. Ne7+ 1-0

[Event "EU-chT1 qual 1-06 corr"]
[Site "ICCF corr"]
[Date "1973.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Sanakoev, Grigory Konstantino"]
[Result "1/2-1/2"]
[ECO "B31"]
[PlyCount "73"]
[EventDate "1973.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Re1 0-0 7. h3 a6 8. Bxc6 bxc6 9. d4 cxd4 10. cxd4 d5 11. e5 Ne4 12. Nc3 Nxc3 13. bxc3 Qa5 14. Qb3 Bf5 15. Ba3 Rfb8 16. Bb4 Qc7 17. Qd1 a5 18. Ba3 h6 19. g4 Be6 20. Nh4 Bc8 21. Qc2 e6 22. Bd6 Qd8 23. Nxg6 fxg6 24. Bxb8 Rxb8 25. Qxg6 a4 26. Rab1 Rb5 27. Rb4 Rxb4 28. cxb4 Bd7 29. Qc2 Bf8 30. Re3 Be8 31. Qxa4 c5 32. Qa6 cxd4 33. Rf3 Bd7 34. b5 Bc5 35. Qb7 d3 36. Rxd3 Qf8 37. Rd2 1/2-1/2

[Event "EU-chT1 corr7381"]
[Site "ICCF corr"]
[Date "1973.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Yudovich, Mikhail Mikhailovic"]
[Result "0-1"]
[ECO "B09"]
[PlyCount "40"]
[EventDate "1973.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. dxc5 Qa5 7. Bd3 Qxc5 8. Qe2 0-0 9. Be3 Qa5 10. 0-0 Bg4 11. Qe1 Bxf3 12. Rxf3 Nc6 13. Qh4 Qh5 14. Qxh5 Nxh5 15. Rb1 Rfc8 16. a3 Nf6 17. h3 Nd7 18. Rff1 Bxc3 19. bxc3 b6 20. a4 Na5 0-1

[Event "NED-JUG corr"]
[Site "Netherlands"]
[Date "1973.??.??"]
[Round "?"]
[White "Nikolic"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "0-1"]
[ECO "B04"]
[PlyCount "62"]
[EventDate "1973.??.??"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Ng5 c6 6. Bc4 Bg7 7. Qe2 h6 8. Nf3 Bg4 9. Nbd2 Nf4 10. Qf1 Qa5 11. exd6 exd6 12. c3 d5 13. Nb3 Qc7 14. Be2 0-0 15. h3 Bxf3 16. Bxf3 Re8+ 17. Be3 Nd7 18. g3 Ne6 19. Qd3 f5 20. 0-0-0 a5 21. Qd2 a4 22. Nc5 Ndxc5 23. dxc5 Kh7 24. h4 h5 25. Qc2 Bh6 26. Bg5 Qf7 27. Bg2 Nxc5 28. f3 Bxg5+ 29. hxg5 Qe7 30. Qd2 Qe3 31. g4 Nd3+ 0-1

[Event "EU-chT1 corr7381"]
[Site "ICCF corr"]
[Date "1973.??.??"]
[Round "?"]
[White "Voss, Georg"]
[Black "Nederkoorn, Cornelis AJ"]
[Result "1/2-1/2"]
[ECO "B03"]
[PlyCount "69"]
[EventDate "1973.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Bf5 7. Nc3 e6 8. Nf3 Be7 9. Be3 0-0 10. Be2 f6 11. exf6 Bxf6 12. 0-0 Nc6 13. Qd2 Qe7 14. Rad1 Rad8 15. Qc1 h6 16. Kh1 Kh8 17. h3 Bh7 18. Rfe1 Rfe8 19. a3 Na5 20. Na2 c5 21. b4 Nb3 22. Qb2 Nxd4 23. Nxd4 cxd4 24. Bxd4 e5 25. Bc5 Qc7 26. Qb3 e4 27. Qe3 Bg5 28. Rxd8 Rxd8 29. Qf2 Qe5 30. Be3 Bf6 31. b5 Qb2 32. Nb4 Qxa3 33. Bxb6 axb6 34. Nd5 Qc5 35. Rf1 1/2-1/2

[Event "corr"]
[Site "corr"]
[Date "1966.??.??"]
[Round "?"]
[White "Nederkoorn, Cornelis AJ"]
[Black "Van der Tak, Abraham C"]
[Result "1/2-1/2"]
[ECO "B02"]
[PlyCount "49"]
[EventDate "1966.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3 Nxc3 7. dxc3 Nc6 8. Bf4 Bxc5 9. Qg4 g5 10. Bxg5 Rg8 11. Bxd8 Rxg4 12. Be2 Re4 13. Bxc7 Nxe5 14. f3 Nd3+ 15. Kd2 Rxe2+ 16. Nxe2 Nxb2 17. Rab1 Nc4+ 18. Kd3 d5 19. Nd4 e5 20. Rbe1 f6 21. f4 e4+ 22. Rxe4+ dxe4+ 23. Kxc4 b6 24. f5 Ba6+ 25. Kb3 1/2-1/2

