[Event "EU-ch M corr"]
[Site "ICCF corr"]
[Date "1983.??.??"]
[Round "?"]
[White "Van der Nat, WH."]
[Black "Trauner, Alfred"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "40"]
[EventDate "1983.??.??"]
[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 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. d4 cxd4 7. Qxd4 Nc6 8. Qa4 d4 9. Nb5 Bd7 10. Bf4 Bb4+ 11. c3 dxc3 12. bxc3 Nd4 13. 0-0-0 Nxb5 14. Qxb4 Nxc3 15. Re1+ Be6 16. Kb2 Ncd5 17. Bxd5 Qxd5 18. Qa4+ b5 19. Qb3 Qd4+ 20. Kb1 0-0 0-1

[Event "EU-ch M corr"]
[Site "ICCF corr"]
[Date "1982.??.??"]
[Round "?"]
[White "Hochgraefe, Hans Juergen"]
[Black "Van der Nat, WH."]
[Result "1-0"]
[ECO "D25"]
[PlyCount "41"]
[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. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 g6 5. Bxc4 Bg7 6. 0-0 0-0 7. Nc3 Bg4 8. h3 Bxf3 9. Qxf3 Nc6 10. Rd1 e6 11. b3 a6 12. Bb2 Qd7 13. Rac1 Rad8 14. Na4 Nd5 15. Nc5 Qc8 16. Nxa6 Nxd4 17. Bxd4 Bxd4 18. Bxd5 exd5 19. Rxc7 Qe6 20. Rxd4 bxa6 21. Rc5 1-0

[Event "EU-ch M518 corr"]
[Site "ICCF corr"]
[Date "1980.??.??"]
[Round "?"]
[White "Aigmueller, Max"]
[Black "Van der Nat, WH."]
[Result "0-1"]
[ECO "A16"]
[PlyCount "40"]
[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. c4 Nf6 2. Nc3 c6 3. e4 d5 4. cxd5 cxd5 5. e5 d4 6. exf6 dxc3 7. bxc3 e5 8. Bb5+ Bd7 9. Rb1 Nc6 10. d4 Qxf6 11. d5 Bc5 12. Qe2 Nb8 13. Nf3 0-0 14. Bxd7 Nxd7 15. Rxb7 e4 16. Ng5 Qxc3+ 17. Bd2 Qa1+ 18. Qd1 Qd4 19. Be3 Bb4+ 20. Bd2 Nc5 0-1

[Event "NED corr"]
[Site "Netherlands"]
[Date "1980.??.??"]
[Round "?"]
[White "Van Geemen, Jan"]
[Black "Van der Nat, WH."]
[Result "1-0"]
[ECO "C42"]
[PlyCount "45"]
[EventDate "1980.??.??"]
[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 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 c5 7. dxc5 Qa5+ 8. Bd2 Qxc5 9. Bxe4 dxe4 10. Ng5 Bf5 11. Nc3 Qc6 12. Ngxe4 Be7 13. Qe2 0-0 14. 0-0 Qg6 15. Rac1 Nc6 16. Bf4 Nd4 17. Qe3 Rad8 18. Rfd1 Nxc2 19. Qe2 Nd4 20. Qe3 Ne6 21. Bd6 Bxd6 22. Rxd6 b6 23. Nd5 1-0

[Event "NED-ch M corr"]
[Site "Netherlands"]
[Date "1978.??.??"]
[Round "?"]
[White "Hamers, Herman H"]
[Black "Van der Nat, WH."]
[Result "0-1"]
[ECO "C65"]
[PlyCount "66"]
[EventDate "1978.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[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 Bc5 4. 0-0 Nf6 5. Nxe5 0-0 6. Nd3 Bb6 7. e5 Ne4 8. Nc3 f5 9. Bc4+ Kh8 10. Bd5 Qh4 11. Nxe4 fxe4 12. g3 Qg5 13. Bxe4 d5 14. Bxd5 Bg4 15. Qe1 Bh3 16. Bg2 Nd4 17. Qe4 Bf5 18. Qe3 Qg4 19. h3 Ne2+ 20. Kh2 Qh5 21. Nf4 Nxf4 22. Qxf4 Bd3 23. Qg4 Qxg4 24. hxg4 Bxf1 25. Bxf1 Rxf2+ 26. Bg2 Re8 27. d4 Bxd4 28. c3 Rxe5 29. cxd4 Ree2 30. Bf4 Rxg2+ 31. Kh1 Rh2+ 32. Kg1 Reg2+ 33. Kf1 Rxb2 0-1

[Event "NED corr"]
[Site "Netherlands"]
[Date "1977.??.??"]
[Round "?"]
[White "Van der Nat, WH."]
[Black "Van der Bosch, F."]
[Result "0-1"]
[ECO "C68"]
[PlyCount "110"]
[EventDate "1977.??.??"]
[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. Bxc6 bxc6 5. 0-0 Qf6 6. d4 exd4 7. Bg5 Qg6 8. Qxd4 Ne7 9. Nc3 d6 10. e5 d5 11. Qd2 h6 12. Bf4 Nf5 13. e6 fxe6 14. Ne5 Qf6 15. Nxc6 Bd6 16. Rae1 0-0 17. Be5 Qf7 18. Ne2 Bd7 19. Ned4 Qe8 20. Qc3 a5 21. f4 Nxd4 22. Nxd4 Bb4 23. Qg3 Qf7 24. c3 Bc5 25. Kh1 Bb6 26. Rf3 c5 27. Nc2 Kh7 28. Ne3 Rg8 29. Qf2 Raf8 30. Qc2+ Qg6 31. Qd2 Bc6 32. Rg3 Qe4 33. b3 Rd8 34. Qc1 Rd7 35. Nc4 dxc4 36. Rxe4 Bxe4 37. h4 cxb3 38. Qe3 Bf5 39. axb3 Bd8 40. h5 c4 41. bxc4 Bh4 42. Rg6 a4 43. Qe2 a3 44. Bd4 Ra8 45. g4 a2 46. gxf5 a1Q+ 47. Rg1 Rxd4 48. cxd4 Qxd4 49. fxe6 Ra3 50. Qc2+ Kg8 51. Qf5 Qf6 52. Qg4 Re3 53. f5 Qc3 54. Kh2 Bf6 55. Rg3 Rxg3 0-1

[Event "NED-ch M49 corr"]
[Site "Netherlands"]
[Date "1976.??.??"]
[Round "?"]
[White "Van der Nat, WH."]
[Black "Van Oirschot, Cornelis JC"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "47"]
[EventDate "1976.??.??"]
[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. e5 c5 4. dxc5 Nc6 5. Nf3 Bxc5 6. Bd3 f6 7. Qe2 Qc7 8. Bf4 g5 9. Bg3 g4 10. Nh4 Nxe5 11. 0-0 Bd6 12. Nc3 a6 13. Nf5 exf5 14. Nxd5 Qa5 15. c4 Be6 16. b4 Qd8 17. Nf4 Bf7 18. Rad1 Qc8 19. c5 Be7 20. Rfe1 Nh6 21. Nd5 Bxd5 22. Bxe5 Bf3 23. gxf3 gxf3 24. Qxf3 1-0

