[Event "NED-Cup corr"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "?"]
[White "Koopmanschap, J."]
[Black "Van Unen, Hans"]
[Result "0-1"]
[ECO "D48"]
[PlyCount "83"]
[EventDate "1996.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. d5 c4 11. Bc2 Qc7 12. dxe6 fxe6 13. Ng5 Nc5 14. f4 Bb7 15. e5 Rd8 16. Bd2 Nd5 17. Nxd5 Bxd5 18. Nxh7 Be7 19. Qg4 Kd7 20. Ng5 Kc8 21. Be3 Qa5+ 22. Ke2 Qb4 23. Rab1 c3 24. b3 Bxg5 25. Qxg5 Be4 26. a3 Qxa3 27. Bxe4 Nxe4 28. Qg6 Qa2+ 29. Kf3 Nd2+ 30. Kg3 Rh6 31. Qxg7 Rhh8 32. Ra1 Qxb3 33. Qa7 Rdg8+ 34. Kf2 Rxg2+ 35. Kxg2 Qd5+ 36. Kf2 Qf3+ 37. Ke1 Qxh1+ 38. Bg1 Qxg1+ 39. Qxg1 Nf3+ 40. Kf1 Nxg1 41. Kxg1 b4 42. Rxa6 0-1

[Event "NED-Cup corr"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "?"]
[White "Koopmanschap, J."]
[Black "Wieringa, K."]
[Result "0-1"]
[ECO "E60"]
[PlyCount "90"]
[EventDate "1996.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Ne2 e5 7. d5 Nh5 8. 0-0 f5 9. exf5 gxf5 10. Nbc3 f4 11. gxf4 Nxf4 12. Nxf4 exf4 13. Qh5 Rf5 14. Qe2 Qh4 15. Qe8+ Rf8 16. Qe4 Be5 17. f3 Rf6 18. Qe1 Qh5 19. Ne2 Kf7 20. Rf2 Na6 21. a4 Bd7 22. Kh1 Nc5 23. Ra3 Nxa4 24. b3 Nb6 25. Bd2 a6 26. Bf1 Re8 27. Qc1 Qh4 28. Be1 Nc8 29. b4 Ne7 30. Rg2 Qh6 31. Bd2 Bh3 32. Rg3 Bd7 33. Rg2 Rg8 34. Rxg8 Kxg8 35. Ra2 Nf5 36. b5 Ne3 37. bxa6 bxa6 38. Qe1 Rg6 39. Bxe3 fxe3 40. Ng1 Bg3 41. Qb1 Bf2 42. Bg2 Qg5 43. Qf1 Bxg1 44. f4 Qh5 45. Kxg1 e2 0-1

[Event "NED-ch H corr"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "?"]
[White "Meesters, J."]
[Black "Koopmanschap, J."]
[Result "0-1"]
[ECO "E18"]
[PlyCount "58"]
[EventDate "1996.??.??"]
[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. Nf3 Nf6 2. d4 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. c4 0-0 7. Nc3 Ne4 8. Nxe4 Bxe4 9. b3 d6 10. Qd2 Qc8 11. Rd1 Nd7 12. Ba3 Qb7 13. Rac1 c5 14. dxc5 bxc5 15. Bb2 a5 16. Rc3 a4 17. Re3 Nf6 18. Bxf6 Bxf6 19. Rxe4 axb3 20. Ne1 bxa2 21. Rf4 Qb4 22. Nc2 Qxd2 23. Rxd2 a1Q+ 24. Nxa1 Rxa1+ 25. Bf1 Rb8 26. Rxd6 Rbb1 27. Rc6 Rxf1+ 28. Kg2 g5 29. Rxf6 Kg7 0-1

[Event "NED-ch H corr"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Buys, C."]
[Black "Koopmanschap, J."]
[Result "1/2-1/2"]
[ECO "B60"]
[PlyCount "54"]
[EventDate "1995.??.??"]
[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. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bg4 7. f3 Bd7 8. Qd2 Nxd4 9. Qxd4 e5 10. Qd2 h6 11. Be3 a6 12. Be2 Be7 13. 0-0-0 Rc8 14. g4 Be6 15. a3 Qc7 16. g5 hxg5 17. Bxg5 Rh3 18. Rdg1 Kf8 19. Rg3 Nh5 20. Rxh3 Bxh3 21. Bxe7+ Qxe7 22. Nd5 Qd8 23. Rd1 Be6 24. Qb4 Bxd5 25. Rxd5 Nf4 26. Rd2 Nxe2+ 27. Rxe2 b5 1/2-1/2

[Event "NED-ch H corr"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Staal, Piet"]
[Black "Koopmanschap, J."]
[Result "0-1"]
[ECO "B71"]
[PlyCount "62"]
[EventDate "1995.??.??"]
[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. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Bg4 7. Bb5+ Nbd7 8. Be2 Bg7 9. Be3 Bxe2 10. Qxe2 a6 11. 0-0 0-0 12. Bf2 Qc7 13. f5 Rfc8 14. g4 Qc4 15. g5 Qxe2 16. Ndxe2 Ng4 17. Bd4 Bxd4+ 18. Nxd4 Rc4 19. Nce2 Ne3 20. Rf2 gxf5 21. b3 Rc5 22. Ng3 e6 23. exf5 e5 24. Nde2 Nxc2 25. Rc1 d5 26. f6 Nb4 27. Rxc5 Nxc5 28. Nf5 Nxa2 29. Ne7+ Kh8 30. Nxd5 Rd8 31. Ne7 Nb4 0-1

[Event "NED-Cup corr"]
[Site "Netherlands"]
[Date "1989.??.??"]
[Round "?"]
[White "Koopmanschap, J."]
[Black "De Vries, P."]
[Result "1-0"]
[ECO "E72"]
[PlyCount "77"]
[EventDate "1989.??.??"]
[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 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Ne2 Nbd7 7. 0-0 c6 8. Nbc3 e5 9. b3 exd4 10. Nxd4 Ne5 11. f3 Qe7 12. Bg5 h6 13. Be3 Kh7 14. Qd2 Ne8 15. Nde2 Be6 16. Rad1 f5 17. Nf4 Rf6 18. Nxe6 Rxe6 19. exf5 gxf5 20. Rfe1 Nc7 21. Bf2 Qf7 22. a3 a6 23. Ne2 Rd8 24. Nf4 Re7 25. Bb6 Qe8 26. Re2 Qd7 27. Nh5 Bh8 28. Qc2 Ng6 29. Red2 Qe6 30. Bh3 Rf8 31. Rxd6 Qf7 32. Rd8 Rxd8 33. Rxd8 Ne6 34. Rd1 Ng5 35. Bxf5 Nxf3+ 36. Kh1 Be5 37. Bc5 Rc7 38. Qe4 b6 39. Bxb6 1-0

[Event "NED-Cup corr"]
[Site "Netherlands"]
[Date "1989.??.??"]
[Round "?"]
[White "Seiffers, Freek R"]
[Black "Koopmanschap, J."]
[Result "1-0"]
[ECO "B05"]
[PlyCount "63"]
[EventDate "1989.??.??"]
[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 Bg4 5. Be2 Nc6 6. c4 Nb6 7. exd6 exd6 8. Nc3 Be7 9. 0-0 0-0 10. b3 Bf6 11. Be3 Qe7 12. h3 Bd7 13. Qd2 Rae8 14. Nh2 Bf5 15. Bd3 Bxd3 16. Qxd3 Nb4 17. Qd2 Nc6 18. Ng4 a6 19. Rae1 Qd8 20. Nxf6+ Qxf6 21. d5 Ne5 22. Bg5 Qf5 23. f4 Ng6 24. g4 Qd7 25. f5 Rxe1 26. Rxe1 Ne5 27. Rxe5 dxe5 28. f6 g6 29. Be3 Qd8 30. Bxb6 Qd6 31. Ne4 Qxb6+ 32. c5 1-0

