[Event "NED-Cup sf corr"]
[Site "Netherlands"]
[Date "1973.??.??"]
[Round "?"]
[White "Leeners, Henk JM"]
[Black "Lenstra, Wiebe"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "68"]
[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 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Nf6 6. Bg2 Be7 7. 0-0 Qc7 8. Re1 b6 9. e5 Nd7 10. Qe2 Ba6 11. Nf1 h6 12. h4 0-0-0 13. Bf4 Rdg8 14. h5 g5 15. hxg6 fxg6 16. g4 Nf8 17. g5 Nd8 18. Qd2 Nf7 19. a4 Nh7 20. gxh6 g5 21. Bg3 Nxh6 22. N3h2 g4 23. a5 b5 24. Bxd5 Ng5 25. Bg2 Bb7 26. Be4 Nf5 27. c3 Nxg3 28. fxg3 c4 29. a6 Bxe4 30. dxe4 Bc5+ 31. Kg2 Qh7 32. Qc2 Rf8 33. Re2 Qh3+ 34. Kh1 Rxf1+ 0-1

[Event "Amsterdam AMRO op"]
[Site "Amsterdam"]
[Date "1969.??.??"]
[Round "?"]
[White "Lenstra, Wiebe"]
[Black "Jongsma, Alexander"]
[Result "1-0"]
[ECO "E30"]
[PlyCount "87"]
[EventDate "1969.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 Nc6 3. Nf3 e6 4. Nc3 Bb4 5. Bg5 h6 6. Bh4 d6 7. e3 Bxc3+ 8. bxc3 Qe7 9. Be2 e5 10. 0-0 g5 11. Bg3 Ne4 12. Rc1 f5 13. Nd2 Nxd2 14. Qxd2 f4 15. exf4 gxf4 16. d5 Nd8 17. Bh5+ Kf8 18. Bxf4 exf4 19. Qxf4+ Kg7 20. Rce1 Qf6 21. Qd2 Rg8 22. Re3 Kh8 23. f4 Bd7 24. f5 Nf7 25. Bxf7 Qxf7 26. Rh3 h5 27. Qh6+ Qh7 28. Qf6+ Rg7 29. Rff3 Kg8 30. Rfg3 Rf8 31. Qe7 Bxf5 32. Rxh5 Rxg3 33. Rxh7 Bxh7 34. hxg3 Rf7 35. Qe3 b6 36. g4 Bb1 37. g5 Kg7 38. a3 Bf5 39. g4 Bd7 40. Kg2 Kg6 41. Kg3 a5 42. Qd4 Kxg5 43. Qh8 Kg6 44. g5 1-0

[Event "Amsterdam AMRO op"]
[Site "Amsterdam"]
[Date "1969.??.??"]
[Round "?"]
[White "Lenstra, Wiebe"]
[Black "Langeweg, Kick"]
[Result "0-1"]
[ECO "E56"]
[PlyCount "52"]
[EventDate "1969.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 0-0 6. Bd3 d5 7. 0-0 Nc6 8. a3 dxc4 9. Bxc4 Ba5 10. Qd3 a6 11. Rd1 b5 12. Ba2 c4 13. Qe2 Qe8 14. h3 Bc7 15. Bb1 Bb7 16. e4 e5 17. Be3 exd4 18. Nxd4 Rd8 19. Nf5 Rxd1+ 20. Qxd1 Qe6 21. f4 Rd8 22. Qe2 g6 23. Nh6+ Kg7 24. Bc2 Nd4 25. Bxd4 Rxd4 26. Ng4 Nxg4 0-1

[Event "Amsterdam AMRO op"]
[Site "Amsterdam"]
[Date "1969.??.??"]
[Round "?"]
[White "Van der Weide, Piet"]
[Black "Lenstra, Wiebe"]
[Result "0-1"]
[ECO "C27"]
[PlyCount "76"]
[EventDate "1969.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. Nb5 g6 7. Qf3 f5 8. Qd5 Qe7 9. Nxc7+ Kd8 10. Nxa8 b6 11. Ne2 Bb7 12. Qf3 Nd4 13. Nxd4 Bxf3 14. Nxf3 e4 15. Nd4 Kc8 16. 0-0 Kb8 17. d3 Bg7 18. Nxb6 axb6 19. c3 Be5 20. dxe4 fxe4 21. Be3 Rf8 22. a4 Nf5 23. Nxf5 gxf5 24. f4 Bd6 25. Bxb6 Bc5+ 26. Bxc5 Qxc5+ 27. Kh1 Rf6 28. a5 Rd6 29. Ra4 Rd2 30. Rb4+ Ka7 31. Bd1 e3 32. a6 e2 33. Bxe2 Rxe2 34. Rb7+ Ka8 35. Rxd7 Qf2 36. Rd8+ Ka7 37. Rd7+ Kb6 38. Rg1 Re1 0-1

