[Event "NED-chT"]
[Site "Netherlands"]
[Date "1969.??.??"]
[Round "?"]
[White "Timman, Jan H"]
[Black "Stumpers, Louis F"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "91"]
[EventDate "1969.??.??"]
[EventType "team"]
[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. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. 0-0 0-0 8. Re1 Bf5 9. c4 c6 10. Qb3 dxc4 11. Bxc4 Nd6 12. Bd3 Bxd3 13. Qxd3 Nd7 14. Nc3 Nb6 15. Bf4 Ne8 16. Be5 Nc7 17. Ne4 Ne6 18. Ng3 f6 19. Qf5 Qd7 20. d5 fxe5 21. Qxe6+ Qxe6 22. dxe6 Bf6 23. Nxe5 Rfe8 24. Nf7 g6 25. Rad1 Re7 26. b3 Rae8 27. Nd6 Rf8 28. Nge4 Nd5 29. Nxb7 Rxb7 30. Rxd5 cxd5 31. Nxf6+ Rxf6 32. e7 Rxe7 33. Rxe7 Ra6 34. Re2 d4 35. f3 Kf7 36. Kf2 Kf6 37. f4 Kf5 38. Kf3 Rc6 39. g4+ Kf6 40. Ke4 Rd6 41. Rd2 g5 42. f5 h5 43. Rxd4 Rxd4+ 44. Kxd4 hxg4 45. Ke4 a6 46. b4 1-0

[Event "Eersel Agio-04"]
[Site "Eersel"]
[Date "1967.01.??"]
[Round "3"]
[White "Limbos, Paul"]
[Black "Stumpers, Louis F"]
[Result "1/2-1/2"]
[ECO "B34"]
[PlyCount "68"]
[EventDate "1967.01.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 0-0 8. 0-0 d5 9. Nxc6 bxc6 10. e5 Nd7 11. f4 e6 12. Na4 Qa5 13. c3 Ba6 14. Bxa6 Qxa6 15. Nc5 Qb6 16. b4 Rfd8 17. Qf3 Qb5 18. g4 Qc4 19. Nb7 Rf8 20. Bd4 Qb5 21. Nd6 Qb8 22. Rae1 a5 23. a3 axb4 24. axb4 Bh8 25. Qg3 f6 26. h4 Qc7 27. g5 fxg5 28. fxg5 Rxf1+ 29. Rxf1 Rf8 30. Rxf8+ Nxf8 31. Qf4 Qd7 32. Kg2 Bg7 33. Kh3 Qe7 34. Bc5 Nd7 1/2-1/2

[Event "Eersel Agio-04"]
[Site "Eersel"]
[Date "1967.01.??"]
[Round "4"]
[White "Littlewood, Norman"]
[Black "Stumpers, Louis F"]
[Result "1/2-1/2"]
[ECO "E13"]
[PlyCount "92"]
[EventDate "1967.01.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. e3 h6 7. Bh4 Bxc3+ 8. bxc3 d6 9. Qc2 Nbd7 10. Bd3 e5 11. e4 Qe7 12. 0-0 g5 13. Bg3 Nh5 14. c5 Nf4 15. cxd6 cxd6 16. Bb5 Rd8 17. dxe5 dxe5 18. Rfd1 0-0 19. Bxd7 Rxd7 20. Rxd7 Qxd7 21. Bxf4 exf4 22. Nd4 Qe7 23. Re1 Bc8 24. e5 Be6 25. Qe2 Rc8 26. Qh5 Kg7 27. h4 Rxc3 28. Rd1 Rc5 29. hxg5 hxg5 30. Nxe6+ fxe6 31. Rd3 Rc1+ 32. Kh2 Rc8 33. Rh3 Rg8 34. Qh7+ Kf8 35. Qe4 g4 36. Rh6 g3+ 37. fxg3 fxg3+ 38. Kh3 Qg5 39. Rf6+ Kg7 40. Qb7+ Kh8 41. Qf3 Qxe5 42. Rf4 Rg6 43. Qa8+ Kh7 44. Rh4+ Rh6 45. Qxa7+ Kg6 46. Rxh6+ Kxh6 1/2-1/2

[Event "Eersel Agio-04"]
[Site "Eersel"]
[Date "1967.01.??"]
[Round "1"]
[White "Orbaan, Constant"]
[Black "Stumpers, Louis F"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "80"]
[EventDate "1967.01.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 Rb8 6. Be3 Nd4 7. Nce2 e5 8. c3 Ne6 9. Nf3 Ne7 10. Qd2 d5 11. exd5 Nxd5 12. Bh6 f6 13. Bxg7 Nxg7 14. 0-0 0-0 15. d4 cxd4 16. cxd4 e4 17. Ne1 f5 18. Nc2 b6 19. Ne3 Bb7 20. Rac1 Ne6 21. Rfd1 Qd7 22. h4 Rbd8 23. Bf1 Nf6 24. Ng2 Ba6 25. Ngf4 Nxf4 26. Nxf4 Bxf1 27. Kxf1 Rfe8 28. d5 Ng4 29. d6 Qb5+ 30. Qe2 Qxe2+ 31. Kxe2 Ne5 32. Rc7 Nd3 33. d7 Re7 34. Rxa7 Kf7 35. Nxd3 exd3+ 36. Kxd3 Rdxd7+ 37. Rxd7 Rxd7+ 38. Kc2 Rc7+ 39. Kb3 Ke6 40. a4 Ke5 1-0

[Event "Eersel Agio-04"]
[Site "Eersel"]
[Date "1967.01.??"]
[Round "6"]
[White "Rellstab, Ludwig Sr"]
[Black "Stumpers, Louis F"]
[Result "1-0"]
[ECO "C49"]
[PlyCount "57"]
[EventDate "1967.01.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. 0-0 0-0 6. d3 d6 7. Bg5 Bxc3 8. bxc3 Qe7 9. Re1 Nd8 10. d4 Ne6 11. Bc1 c5 12. Bf1 cxd4 13. cxd4 Qc7 14. Bb2 Nd7 15. c4 b6 16. a4 Bb7 17. Ba3 exd4 18. Nxd4 Ndc5 19. Nb5 Qc6 20. Qxd6 Rfd8 21. Qxc6 Bxc6 22. Bxc5 Nxc5 23. f3 Rd7 24. Ra2 Rad8 25. a5 Rd2 26. Rxd2 Rxd2 27. Nxa7 Bb7 28. axb6 Kf8 29. Ra1 1-0

[Event "Eersel Agio-04"]
[Site "Eersel"]
[Date "1967.01.??"]
[Round "7"]
[White "Stumpers, Louis F"]
[Black "Cornelis, Frans B"]
[Result "0-1"]
[ECO "D50"]
[PlyCount "106"]
[EventDate "1967.01.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 c5 5. cxd5 cxd4 6. Qxd4 Be7 7. Rd1 exd5 8. Nxd5 Nxd5 9. Qxg7 Bb4+ 10. Bd2 Qf6 11. Qxf6 Bxd2+ 12. Rxd2 Nxf6 13. f3 Be6 14. b3 Nc6 15. e4 Ke7 16. Ne2 Rhd8 17. Nc3 Rxd2 18. Kxd2 Rd8+ 19. Ke3 Nb4 20. Be2 Nc2+ 21. Kf2 Rc8 22. Nb1 Nb4 23. a3 Na2 24. b4 Nc3 25. Nxc3 Rxc3 26. Ra1 Bc4 27. Bxc4 Rxc4 28. g4 Nd7 29. g5 Ke6 30. h4 Rc2+ 31. Kg3 Rc3 32. a4 Ne5 33. Rf1 Nd3 34. Kg4 Nxb4 35. Kh5 f5 36. Kh6 Rc7 37. h5 Nd3 38. g6 hxg6 39. hxg6 Kf6 40. Rd1 Rc2 41. Kh7 Rh2+ 42. Kg8 fxe4 43. fxe4 Ne5 44. g7 Ke7 45. Rb1 Nc6 46. Rxb7+ Ke8 47. a5 Ne7+ 48. Rxe7+ Kxe7 49. e5 a6 50. e6 Kxe6 51. Kf8 Rf2+ 52. Ke8 Rg2 53. Kf8 Kd6 0-1

[Event "Eersel Agio-04"]
[Site "Eersel"]
[Date "1967.01.??"]
[Round "2"]
[White "Stumpers, Louis F"]
[Black "Saemisch, Friedrich"]
[Result "1-0"]
[ECO "E20"]
[PlyCount "68"]
[EventDate "1967.01.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 Bxc3+ 6. bxc3 d6 7. e4 e5 8. Bd3 h6 9. Ne2 Nbd7 10. g4 h5 11. g5 Nh7 12. h4 Nhf8 13. Be3 Qe7 14. Ng3 g6 15. Rb1 Kd8 16. Rb2 Kc7 17. Bf1 Nh7 18. Bh3 f6 19. Rg2 fxg5 20. hxg5 Nb6 21. Bxc8 Raxc8 22. Qe2 Rcf8 23. Nf1 Rf7 24. Nd2 Rhf8 25. Qd1 Qe8 26. Qb3 Na4 27. 0-0 Qd7 28. Kh2 a6 29. Rb1 b6 30. Qc2 Rb8 31. Rb3 b5 32. Ra3 Ra8 33. Rg1 Rff8 34. Kg3 Nb6 1-0

[Event "Match/Nation ENG-NED"]
[Site "London"]
[Date "1952.06.01"]
[Round "2.10"]
[White "Stumpers, Louis F"]
[Black "Parr, Frank"]
[Result "1-0"]
[ECO "B73"]
[PlyCount "61"]
[EventDate "1952.05.31"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "ENG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "England"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ENG"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. 0-0 0-0 8. Be3 Nc6 9. Qd2 Ng4 10. Bxg4 Bxg4 11. f4 Bd7 12. Rad1 Na5 13. b3 a6 14. Nf3 Bc6 15. Nd5 Bxd5 16. exd5 b5 17. Bd4 Bxd4+ 18. Nxd4 Nb7 19. f5 gxf5 20. Rf3 f6 21. Nxf5 Kh8 22. Re1 Rf7 23. Rfe3 Qd7 24. Rxe7 Rxe7 25. Nxe7 Qg4 26. Qc3 Rf8 27. Qc7 Qh4 28. Rf1 Qd4+ 29. Kh1 Nc5 30. Nf5 Qg4 31. Qxd6 1-0

[Event "Match/Nation ENG-NED"]
[Site "London"]
[Date "1952.05.31"]
[Round "1.10"]
[White "Parr, Frank"]
[Black "Stumpers, Louis F"]
[Result "1/2-1/2"]
[ECO "E26"]
[PlyCount "92"]
[EventDate "1952.05.31"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "ENG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]
[WhiteTeam "England"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 d6 7. Bd3 Nc6 8. f4 e5 9. d5 e4 10. Be2 Na5 11. h4 b6 12. g4 Ba6 13. g5 Nd7 14. Qc2 Qe7 15. Qa2 0-0-0 16. Bd2 h6 17. Nh3 hxg5 18. hxg5 f5 19. gxf6 gxf6 20. 0-0-0 Rdg8 21. Nf2 Rxh1 22. Rxh1 Rg2 23. Be1 f5 24. Bf1 Rg8 25. Nd1 Qg7 26. Rh5 Qg1 27. Qf2 Bxc4 28. Bxc4 Nxc4 29. Qxg1 Rxg1 30. Bf2 Rf1 31. Rxf5 Nxa3 32. Rh5 Nb5 33. Kd2 Nxc3 34. Nxc3 Rxf2+ 35. Ke1 Rb2 36. Nxe4 a5 37. Nxd6+ Kc7 38. Nc4 Rb4 39. d6+ Kc6 40. Ne5+ Nxe5 41. fxe5 a4 42. Rh7 a3 43. Ra7 a2 44. Rxa2 Re4 45. Rd2 Kd7 46. Rd5 Rxe3+ 1/2-1/2

[Event "NED-ch16"]
[Site "Enschede"]
[Date "1952.04.10"]
[Round "3"]
[White "Kramer, Haije J"]
[Black "Stumpers, Louis F"]
[Result "1-0"]
[ECO "E42"]
[PlyCount "79"]
[EventDate "1952.04.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 cxd4 6. exd4 d5 7. a3 Be7 8. c5 b6 9. b4 bxc5 10. dxc5 0-0 11. g3 a5 12. Rb1 Na6 13. Bg2 axb4 14. axb4 Rb8 15. Ba3 e5 16. 0-0 Bf5 17. Rb2 d4 18. Na4 d3 19. Nec3 Qd4 20. Re1 Rfd8 21. Qd2 e4 22. g4 Bxg4 23. Nxe4 Be2 24. Nac3 Nxe4 25. Nxe4 f5 26. Ng3 Bh4 27. Rxe2 dxe2 28. Qxe2 Qd1+ 29. Bf1 f4 30. Qxa6 fxg3 31. Qc4+ Rd5 32. hxg3 Bf6 33. Re2 Kh8 34. b5 Bd4 35. c6 Rg5 36. Kg2 Bb6 37. Qe4 h6 38. Rc2 Rc8 39. Bd3 Kg8 40. Qe6+ 1-0

[Event "NED-ch16"]
[Site "Enschede"]
[Date "1952.04.07"]
[Round "1"]
[White "Donner, Jan Hein"]
[Black "Stumpers, Louis F"]
[Result "1-0"]
[ECO "E38"]
[PlyCount "73"]
[EventDate "1952.04.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Bxc3+ 6. Qxc3 Ne4 7. Qa3 Nc6 8. Rb1 a5 9. Be3 Nb4 10. Qb3 Qe7 11. a3 Nc6 12. Qb6 Ra6 13. Qc7 0-0 14. f3 e5 15. fxe4 Qh4+ 16. Bf2 Qxe4 17. Rc1 Nd4 18. Nf3 Rc6 19. Qxa5 Nb3 20. Qc3 Nxc1 21. Qxc1 d6 22. Nd2 Qg6 23. cxd6 Rd8 24. c5 Qxd6 25. e4 Qh6 26. Be2 b6 27. Qc2 bxc5 28. Nc4 Qe6 29. 0-0 Ba6 30. h3 Rc7 31. Rd1 Rxd1+ 32. Qxd1 Qe7 33. Ne3 Bxe2 34. Qxe2 Rc8 35. Nd5 Qd6 36. Qc4 Qb8 37. Ne7+ 1-0

[Event "NED-ch16 sf"]
[Site "Amsterdam"]
[Date "1951.08.14"]
[Round "2"]
[White "Vinken, Alex"]
[Black "Stumpers, Louis F"]
[Result "1-0"]
[ECO "B03"]
[PlyCount "115"]
[EventDate "1951.08.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 Bf5 6. Nf3 e6 7. Be3 Na6 8. a3 c5 9. Nc3 dxe5 10. dxe5 Be7 11. Be2 0-0 12. 0-0 Qxd1 13. Raxd1 Rad8 14. Rxd8 Rxd8 15. Ne1 h5 16. b3 g6 17. Bf3 Rd7 18. Rf2 Nb8 19. Rd2 Rxd2 20. Bxd2 Nc6 21. Bxc6 bxc6 22. a4 Nd7 23. a5 g5 24. g3 gxf4 25. gxf4 Bh4 26. Na2 Nb8 27. Nf3 Bd8 28. Kf2 Na6 29. Ke3 Bc2 30. Nc1 Bd1 31. Ng5 Nb4 32. Bxb4 cxb4 33. a6 Bb6+ 34. Kd2 Bg4 35. Nd3 Bf5 36. c5 Bd8 37. Ke3 f6 38. Ne4 fxe5 39. Nxe5 Bxe4 40. Kxe4 Be7 41. Nd3 Kf7 42. Kd4 Bf6+ 43. Kc4 Ke7 44. Ne5 Bxe5 45. fxe5 Kf7 46. Kxb4 Kg6 47. Kc4 Kg5 48. Kd4 Kg4 49. Ke3 Kg5 50. Kd4 Kg4 51. b4 Kh3 52. b5 cxb5 53. c6 Kxh2 54. c7 h4 55. c8Q h3 56. Qxe6 Kg2 57. Qxh3+ Kxh3 58. e6 1-0

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1951.??.??"]
[Round "4"]
[White "Donner, Jan Hein"]
[Black "Stumpers, Louis F"]
[Result "0-1"]
[ECO "E85"]
[PlyCount "62"]
[EventDate "1951.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 e5 6. Nge2 0-0 7. Be3 exd4 8. Nxd4 Nc6 9. Nc2 Nd7 10. Qd2 Nb6 11. Rd1 Be6 12. b3 f5 13. exf5 Rxf5 14. Bd3 Rf7 15. Be4 Qh4+ 16. Bf2 Qh5 17. Nd5 Be5 18. h3 Bxd5 19. cxd5 Bf4 20. Qe2 Ne7 21. g3 Nexd5 22. Qd3 Re8 23. Kf1 Nf6 24. Bxb7 Bh6 25. Bc6 Ref8 26. f4 Nfd7 27. Bxd7 Nxd7 28. Kg2 Ne5 29. Qc3 Bxf4 30. gxf4 Rxf4 31. Bg3 Qe2+ 0-1

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1951.??.??"]
[Round "9"]
[White "Kramer, Haije J"]
[Black "Stumpers, Louis F"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "85"]
[EventDate "1951.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 d6 6. Bg5 h6 7. Bxf6 Qxf6 8. Nd5 Qd8 9. c3 Ne7 10. d4 Nxd5 11. Bxd5 exd4 12. Nxd4 Qg5 13. 0-0 0-0 14. Qd3 Qg6 15. Rad1 Bg4 16. Rd2 c6 17. Bb3 Rad8 18. Kh1 Rfe8 19. f3 Bc8 20. Rfd1 Bb6 21. Qf1 Bc7 22. Bc2 Qh5 23. f4 Re7 24. Ne2 Rde8 25. Ng3 Qh4 26. Rd4 Bg4 27. Re1 f5 28. Bd1 fxe4 29. Bxg4 Qxg4 30. Rdxe4 Rxe4 31. Rxe4 Rxe4 32. Nxe4 d5 33. Nc5 Qxf4 34. Qxf4 Bxf4 35. Nxb7 Bc7 36. Nc5 Kf7 37. g3 Ke7 38. Kg2 Kd6 39. Nd3 c5 40. Nf4 c4 41. Kf3 Bb6 42. Ne2 Ke5 43. g4 1/2-1/2

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1951.??.??"]
[Round "5"]
[White "Palomaa, Vilho"]
[Black "Stumpers, Louis F"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "171"]
[EventDate "1951.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. Nbd2 b6 7. c4 Bb7 8. cxd5 Bxd5 9. Qc2 Na6 10. Qa4 Qc8 11. b4 Qb7 12. Ba3 c6 13. Qc2 Nc7 14. e4 Be6 15. Rfc1 Rac8 16. Bb2 Na6 17. a3 Nb8 18. h3 Bd7 19. Qb3 e6 20. a4 Rfd8 21. Nc4 Ne8 22. e5 Na6 23. Ng5 Bh6 24. f4 b5 25. axb5 Qxb5 26. Bf1 Qxb4 27. Qxb4 Nxb4 28. Rxa7 Nd5 29. Ne4 Rb8 30. Nc5 Nec7 31. Rca1 Bf8 32. Nb7 Rdc8 33. Nbd6 Rd8 34. Nb7 Rdc8 35. Nbd6 Rd8 36. Kf2 Bxd6 37. exd6 Nb5 38. R7a4 Nxd6 39. Nxd6 Rxb2+ 40. Kg1 c5 41. Ra8 Rbb8 42. Rxb8 Rxb8 43. dxc5 Kf8 44. Ra7 Be8 45. Bd3 Rb3 46. Be4 Rb1+ 47. Kf2 Rb2+ 48. Kf3 Bc6 49. Rxf7+ Kg8 50. Bxd5 Bxd5+ 51. Kg4 e5 52. Re7 exf4 53. Kxf4 Rc2 54. Rc7 Re2 55. g4 h6 56. h4 Bh1 57. h5 Rf2+ 58. Kg3 Rg2+ 59. Kf4 gxh5 60. gxh5 Rh2 61. Ne8 Rh4+ 62. Kg3 Rd4 63. Nf6+ Kf8 64. Rd7 Rc4 65. Rc7 Rd4 66. Rh7 Rc4 67. Ra7 Rc3+ 68. Kf4 Bf3 69. Rc7 Be2 70. Kf5 Rh3 71. Ke6 Bc4+ 72. Kf5 Bd3+ 73. Ke6 Bc4+ 74. Kd6 Bf7 75. c6 Bxh5 76. Nxh5 Rxh5 77. Rh7 Rh1 78. c7 Rd1+ 79. Ke6 Re1+ 80. Kf6 Rf1+ 81. Kg6 Rg1+ 82. Kxh6 Rh1+ 83. Kg6 Rg1+ 84. Kf5 Kg8 85. Rd7 Rf1+ 86. Kg4 1-0

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1951.??.??"]
[Round "8"]
[White "Pilnik, Hermann"]
[Black "Stumpers, Louis F"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "83"]
[EventDate "1951.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[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. d3 d6 9. c3 Na5 10. Bc2 c5 11. Nbd2 Nc6 12. a4 Rb8 13. Nf1 Be6 14. Qe2 Re8 15. h3 d5 16. Ng5 Bc8 17. axb5 axb5 18. exd5 Nxd5 19. Qh5 Bxg5 20. Bxg5 f6 21. Bd2 g6 22. Qh6 Re7 23. Ng3 Qf8 24. Bb3 Be6 25. Qxf8+ Kxf8 26. Bxd5 Bxd5 27. Be3 Rd7 28. Bxc5+ Kf7 29. Ra6 Nd8 30. d4 exd4 31. Bxd4 Ne6 32. Ne2 Bc4 33. Be3 b4 34. Ra4 Rdb7 35. Nd4 Nc5 36. Rxb4 Rxb4 37. cxb4 Nd3 38. Ra1 Rxb4 39. Ra7+ Kg8 40. Bh6 Nxb2 41. Ra8+ Kf7 42. Rf8+ 1-0

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1951.??.??"]
[Round "1"]
[White "Poulsen, Christian"]
[Black "Stumpers, Louis F"]
[Result "1-0"]
[ECO "B59"]
[PlyCount "55"]
[EventDate "1951.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. f4 a5 10. a4 Be6 11. f5 Bd7 12. Kh1 Nb4 13. Bb5 Bc6 14. Qe2 Qc7 15. Bg5 d5 16. exd5 Bxd5 17. Nxd5 Nbxd5 18. Rae1 h6 19. Bh4 Bd6 20. c4 Nf4 21. Qd1 Bb4 22. Bxf6 Bxe1 23. Qg4 g5 24. Rxe1 Nd3 25. Rf1 Qb6 26. Bxg5 hxg5 27. Qxg5+ Kh7 28. f6 1-0

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1951.??.??"]
[Round "6"]
[White "Stumpers, Louis F"]
[Black "Kieninger, Georg"]
[Result "1/2-1/2"]
[ECO "B33"]
[PlyCount "63"]
[EventDate "1951.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. a4 a6 8. Na3 Be6 9. Bg5 Be7 10. Bxf6 Bxf6 11. Nc4 Be7 12. Nd5 Bxd5 13. Qxd5 0-0 14. c3 Qc7 15. a5 Rad8 16. Be2 Bg5 17. Nb6 Kh8 18. 0-0 Ne7 19. Qc4 Qxc4 20. Bxc4 f5 21. exf5 d5 22. Bb3 Rxf5 23. Rad1 d4 24. Bc2 Rff8 25. cxd4 exd4 26. g3 Nc6 27. Nc4 Rfe8 28. Rfe1 Rxe1+ 29. Rxe1 Kg8 30. f4 Be7 31. Rd1 Bb4 32. Be4 1/2-1/2

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1951.??.??"]
[Round "7"]
[White "Stumpers, Louis F"]
[Black "O'Kelly de Galway, Alberic"]
[Result "0-1"]
[ECO "C87"]
[PlyCount "148"]
[EventDate "1951.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Bd7 6. c3 Nf6 7. d4 Be7 8. Re1 0-0 9. h3 exd4 10. cxd4 d5 11. e5 Ne4 12. Nc3 Nxc3 13. bxc3 Na5 14. Bc2 Be6 15. Nh2 Qd7 16. Qd3 g6 17. Ng4 Bxg4 18. hxg4 Qxg4 19. Re3 Qe6 20. Rh3 f5 21. Kh2 c5 22. Bd2 Rf7 23. Rh1 Rc8 24. Kg1 Nc4 25. Rh6 cxd4 26. cxd4 Bf8 27. R6h4 Rfc7 28. Bd1 Nb2 29. Qb3 Nxd1 30. Qxd1 Ba3 31. Qb3 Be7 32. R4h3 h5 33. Ba5 Rc1+ 34. Kh2 b5 35. Rxc1 Rxc1 36. Rc3 Rxc3 37. Qxc3 f4 38. Qc7 g5 39. Qc8+ Kg7 40. Qb7 Kg6 41. Bb6 g4 42. Bc5 g3+ 43. fxg3 fxg3+ 44. Kxg3 Bxc5 45. dxc5 Qxe5+ 46. Kh3 Qf5+ 47. Kh2 Qf4+ 48. Kg1 Qd4+ 49. Kh2 Qxc5 50. Qxa6+ Kf7 51. a4 Qc7+ 52. Kh3 Qd7+ 53. Kh2 bxa4 54. Qf1+ Kg7 55. Qf4 Kh7 56. Qe5 Qf7 57. Qd6 h4 58. Qb4 Qc7+ 59. Kh1 Qc4 60. Qe7+ Kg6 61. Qe6+ Kg5 62. Qe3+ Kg4 63. Qe6+ Kf4 64. Qf6+ Ke3 65. Qf3+ Kd2 66. Qf2+ Kc1 67. Qe3+ Kb1 68. Qb6+ Qb3 69. Qg1+ Ka2 70. Qf2+ Qb2 71. Qxh4 d4 72. Qd8 a3 73. Qd5+ Ka1 74. g4 d3 0-1

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1951.??.??"]
[Round "3"]
[White "Stumpers, Louis F"]
[Black "Rossolimo, Nicolas"]
[Result "0-1"]
[ECO "B91"]
[PlyCount "112"]
[EventDate "1951.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 Bg4 7. f3 Bd7 8. Bg2 Nc6 9. Be3 e5 10. Nde2 Rc8 11. 0-0 Be7 12. Qe1 0-0 13. Rd1 b5 14. Qf2 Be6 15. h3 Nd7 16. Nd5 Bxd5 17. exd5 Na5 18. c3 Nc4 19. Bc1 Qa5 20. b3 Ncb6 21. Be3 Na8 22. Rd2 Bd8 23. f4 Bb6 24. fxe5 Bxe3 25. Qxe3 Nxe5 26. Kh2 Qc7 27. Be4 Nb6 28. Qg5 Qd8 29. Qe3 Re8 30. Qf4 Qe7 31. Qf2 Nbd7 32. Bf5 Rc5 33. Bxd7 Qxd7 34. Rfd1 Qe7 35. Qf5 g6 36. Qf2 h5 37. Kg2 Rec8 38. Rf1 Qb7 39. Rfd1 Kg7 40. Qd4 Qe7 41. a4 h4 42. g4 bxa4 43. Qxa4 Rxc3 44. Nxc3 Rxc3 45. Qd4 Rg3+ 46. Kh2 Qf6 47. Rf2 Nf3+ 48. Rxf3 Rxf3 49. g5 Rf2+ 50. Kg1 Qxd4 51. Rxd4 Rf5 52. Ra4 Rxg5+ 53. Kf2 Rxd5 54. Rxa6 Rd3 55. b4 Rxh3 56. Rxd6 Rb3 0-1

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1951.??.??"]
[Round "2"]
[White "Stumpers, Louis F"]
[Black "Van Seters, Frits"]
[Result "0-1"]
[ECO "C06"]
[PlyCount "132"]
[EventDate "1951.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 b6 7. Ne2 Ba6 8. Bxa6 Nxa6 9. 0-0 Nc7 10. f4 g6 11. a4 Nb8 12. Nb3 Nc6 13. Be3 c4 14. Nd2 Qd7 15. Bf2 Be7 16. Qe1 Na5 17. Bh4 0-0-0 18. Bxe7 Qxe7 19. Qf2 Kd7 20. Kh1 h5 21. g3 Rc8 22. Qf3 Ne8 23. Rf2 Ng7 24. Nc1 Nf5 25. Na2 Ke8 26. Nc1 Kf8 27. Ne2 Qd7 28. Rff1 Kg7 29. Ra2 a6 30. Rfa1 Rb8 31. Qf2 Nc6 32. b4 cxb3 33. Nxb3 Na5 34. Nxa5 bxa5 35. Qe1 Qb7 36. Nc1 Qc6 37. Nd3 Qc4 38. Nc5 Rb6 39. Ra3 Rb2 40. Qf1 Qxf1+ 41. Rxf1 h4 42. g4 Ne3 43. Rg1 Rhb8 44. c4 Nxc4 45. Rh3 Rf2 46. Nd3 Rd2 47. f5 g5 48. Nc5 Rb6 49. fxe6 fxe6 50. Rd3 Rf2 51. Rb3 Rxb3 52. Nxb3 Kf7 53. Rb1 Ne3 54. h3 Rf3 55. Kh2 Nc2 56. Rb2 Rc3 57. Kg2 Ne1+ 58. Kh2 Nd3 59. Rb1 Nf4 60. Nc5 Rxh3+ 61. Kg1 Rg3+ 62. Kh1 Rxg4 63. Rb6 Rg3 64. Rxa6 Ra3 65. Rxa5 Ra1+ 66. Kh2 g4 0-1

[Event "NED-ch15"]
[Site "Amsterdam"]
[Date "1950.07.28"]
[Round "11"]
[White "Stumpers, Louis F"]
[Black "Spanjaard, Eduard"]
[Result "1-0"]
[ECO "B59"]
[PlyCount "87"]
[EventDate "1950.07.17"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Be3 Be6 10. Bf3 Ne8 11. Qd2 f5 12. exf5 Bxf5 13. Rad1 Nf6 14. Nd5 e4 15. Be2 Nxd5 16. Qxd5+ Kh8 17. c3 Qe8 18. Nd4 Nxd4 19. Bxd4 Qg6 20. Rfe1 b6 21. Bf1 Rad8 22. Bb5 Rb8 23. Rd2 h5 24. f4 h4 25. Ba4 Qg4 26. Rf2 Qg6 27. Bc2 Rbe8 28. Bxe4 Bf6 29. Rfe2 Bxe4 30. Rxe4 Rxe4 31. Qxe4 Qg4 32. Be3 h3 33. g3 Bh4 34. Bf2 Bf6 35. Qe2 Qf5 36. Qe6 Qh5 37. g4 Qh7 38. g5 Bd8 39. Re3 Qb1+ 40. Re1 Qxb2 41. Qxh3+ Kg8 42. g6 Rxf4 43. Qh7+ Kf8 44. Qh8# 1-0

[Event "NED-ch15"]
[Site "Amsterdam"]
[Date "1950.07.27"]
[Round "10"]
[White "Orbaan, Constant"]
[Black "Stumpers, Louis F"]
[Result "1/2-1/2"]
[ECO "C65"]
[PlyCount "32"]
[EventDate "1950.07.17"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. Nc3 Bd7 6. a3 Be7 7. Nd5 0-0 8. Nxe7+ Nxe7 9. Bxd7 Nxd7 10. d4 Ng6 11. dxe5 Ndxe5 12. Nxe5 dxe5 13. Qxd8 Rfxd8 14. Be3 Nf8 15. Ke2 Ne6 16. Rhd1 c5 1/2-1/2

[Event "NED-ch15"]
[Site "Amsterdam"]
[Date "1950.07.26"]
[Round "9"]
[White "Stumpers, Louis F"]
[Black "Van Scheltinga, Theo D"]
[Result "0-1"]
[ECO "D45"]
[PlyCount "90"]
[EventDate "1950.07.17"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 a6 6. c5 b6 7. cxb6 Nbd7 8. Bd2 Nxb6 9. Na4 Nbd7 10. Rc1 Bb7 11. a3 Bd6 12. Bb4 Bxb4+ 13. axb4 0-0 14. Be2 a5 15. b5 cxb5 16. Bxb5 Ba6 17. Bxa6 Rxa6 18. 0-0 Qb8 19. Qe2 Ra7 20. Rc6 Qb4 21. Qc2 Ne4 22. Ne1 Nd2 23. Nd3 Qb7 24. Rc1 Nc4 25. Rxc4 dxc4 26. Qxc4 Nb6 27. Nxb6 Qxb6 28. b3 h6 29. h3 Rb8 30. Nc5 Rc7 31. Ra1 e5 32. Qd5 exd4 33. exd4 Re7 34. Qc4 Qd8 35. d5 Rc8 36. Qd4 Qd6 37. Ne4 Qb4 38. Qxb4 axb4 39. f3 Rd7 40. Ra4 f5 41. Ng3 Rxd5 42. Rxb4 Rc1+ 43. Kh2 Rc2 44. Nf1 Re2 45. Kg3 Rd1 0-1

[Event "NED-ch15"]
[Site "Amsterdam"]
[Date "1950.07.25"]
[Round "8"]
[White "Kramer, Haije J"]
[Black "Stumpers, Louis F"]
[Result "1-0"]
[ECO "D79"]
[PlyCount "133"]
[EventDate "1950.07.17"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. 0-0 Bg7 5. d4 0-0 6. c4 c6 7. cxd5 cxd5 8. Nc3 Ne4 9. Qb3 e6 10. Nxe4 dxe4 11. Ng5 Qd5 12. Nxe4 Qxb3 13. axb3 Bxd4 14. Rd1 Nc6 15. Ra4 f5 16. Nd6 e5 17. Bh6 Be6 18. Bxf8 Bxb3 19. Bh6 Bxd1 20. Bd5+ Kh8 21. Nf7+ Kg8 22. Nd6+ Kh8 23. Nf7+ Kg8 24. Nxe5+ Kh8 25. Nf7+ Kg8 26. Ng5+ Kh8 27. Nf7+ Kg8 28. Nd6+ Kh8 29. b3 Bg7 30. Nf7+ Kg8 31. Ng5+ Kh8 32. Nf7+ Kg8 33. Nd8+ Kh8 34. Bxg7+ Kxg7 35. Nxb7 Rc8 36. Nd6 Rd8 37. Bxc6 Rxd6 38. Rxa7+ Kh6 39. Ba4 Bxe2 40. Rd7 Re6 41. f4 Bf3 42. Kf2 Be4 43. Rd2 g5 44. fxg5+ Kxg5 45. b4 Ra6 46. Bd1 Kf6 47. Be2 Ra1 48. Rb2 Rh1 49. h4 f4 50. gxf4 Rxh4 51. Kg3 Rh1 52. b5 Rg1+ 53. Kf2 Rg2+ 54. Ke3 Kf5 55. b6 Rg3+ 56. Kf2 Rg2+ 57. Ke3 Rg3+ 58. Kf2 Rg2+ 59. Ke1 Rg7 60. Rb4 Rf7 61. Kf2 Bb7 62. Bf3 Ba6 63. b7 Bxb7 64. Bxb7 h5 65. Bc8+ Kg6 66. Rb6+ Kg7 67. Rb7 1-0

[Event "NED-ch15"]
[Site "Amsterdam"]
[Date "1950.07.24"]
[Round "7"]
[White "Stumpers, Louis F"]
[Black "Van den Berg, Carel"]
[Result "0-1"]
[ECO "A95"]
[PlyCount "78"]
[EventDate "1950.07.17"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. c4 c6 6. 0-0 0-0 7. Nc3 d5 8. Ne5 Nbd7 9. cxd5 cxd5 10. Nd3 Ne4 11. f3 Nxc3 12. bxc3 Nb6 13. Qb3 Bd7 14. a4 Qc7 15. a5 Nc4 16. Bf4 Bd6 17. Bxd6 Qxd6 18. Ra2 a6 19. Rb1 Bb5 20. Qb4 Qc7 21. Nc5 Rae8 22. e4 f4 23. Bh3 Rf6 24. e5 Rh6 25. Bf1 fxg3 26. hxg3 Qf7 27. Bg2 Qg6 28. Kf2 Rf8 29. Rh1 Qg5 30. Re2 Rg6 31. Rh3 h5 32. Nxb7 h4 33. g4 Nd2 34. c4 Nxc4 35. Kg1 Rf7 36. Nc5 Ne3 37. Rb2 Nxg4 38. Nxe6 Qe3+ 39. Kh1 Qc1+ 0-1

[Event "NED-ch15"]
[Site "Amsterdam"]
[Date "1950.07.22"]
[Round "6"]
[White "Barendregt, Johan"]
[Black "Stumpers, Louis F"]
[Result "0-1"]
[ECO "D58"]
[PlyCount "82"]
[EventDate "1950.07.17"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. d4 e6 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bxe7 Nxe7 10. Rc1 Bb7 11. Bd3 Nd7 12. 0-0 c5 13. Qe2 cxd4 14. Nxd4 Nc5 15. Bb1 Nd5 16. Rfd1 Nxc3 17. Rxc3 Qe7 18. e4 Rfd8 19. Rg3 Rd7 20. b4 Rad8 21. Qe3 Qh4 22. f4 Qh5 23. Rd2 e5 24. Rh3 Qg4 25. fxe5 Nxe4 26. Rd3 Rxd4 27. Qxd4 Rxd4 28. Rxd4 Qe2 29. Rd8+ Kh7 30. Rf3 Qe1+ 31. Rf1 Qe3+ 32. Kh1 Ba6 33. Rfd1 g6 34. Bxe4 Qxe4 35. R8d7 Kg7 36. Rxa7 Bb7 37. Rg1 Bd5 38. b5 Qxe5 39. a4 h5 40. a5 h4 41. h3 Qg3 0-1

[Event "NED-ch15"]
[Site "Amsterdam"]
[Date "1950.07.21"]
[Round "5"]
[White "Stumpers, Louis F"]
[Black "Cortlever, Nicolaas"]
[Result "1-0"]
[ECO "B73"]
[PlyCount "53"]
[EventDate "1950.07.17"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. 0-0 Bg7 8. Be3 0-0 9. Qd2 Ng4 10. Bxg4 Bxg4 11. f4 Nxd4 12. Bxd4 e5 13. Be3 exf4 14. Rxf4 Be6 15. Raf1 Rc8 16. R4f3 Rc4 17. Nd5 f5 18. Bg5 Rxc2 19. Qxc2 Qxg5 20. Nf4 Bf7 21. Nh3 Qf6 22. exf5 Qxb2 23. Qxb2 Bxb2 24. fxg6 hxg6 25. Ng5 Bg7 26. Rxf7 Rxf7 27. Nxf7 1-0

[Event "NED-ch15"]
[Site "Amsterdam"]
[Date "1950.07.20"]
[Round "4"]
[White "Euwe, Max"]
[Black "Stumpers, Louis F"]
[Result "1-0"]
[ECO "A30"]
[PlyCount "75"]
[EventDate "1950.07.17"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 e6 5. 0-0 c5 6. Nc3 Be7 7. b3 Ne4 8. Bb2 Nxc3 9. Bxc3 0-0 10. d4 Bf6 11. Qc2 Nc6 12. Rad1 cxd4 13. Nxd4 Bxd4 14. Bxd4 Nxd4 15. Rxd4 Bxg2 16. Kxg2 Rc8 17. Rfd1 Rc7 18. Qd3 Qa8+ 19. f3 Rd8 20. Rh4 f5 21. Qd6 Qc8 22. Rhd4 Rf8 23. h4 Rf7 24. h5 h6 25. Qf4 Kf8 26. R1d3 Ke8 27. g4 fxg4 28. Qxg4 Rc5 29. Kf1 Rg5 30. Qe4 e5 31. Rd5 Qc7 32. Qh7 Qc6 33. b4 Qf6 34. Rd6 Qf4 35. Qg8+ Rf8 36. Qd5 Qc1+ 37. Rd1 Qe3 38. Re6+ 1-0

[Event "NED-ch15"]
[Site "Amsterdam"]
[Date "1950.07.19"]
[Round "3"]
[White "Muhring, Willem Jan"]
[Black "Stumpers, Louis F"]
[Result "1/2-1/2"]
[ECO "D45"]
[PlyCount "35"]
[EventDate "1950.07.17"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. e3 e6 5. Nf3 a6 6. Qc2 c5 7. a3 cxd4 8. exd4 dxc4 9. Bxc4 b5 10. Be2 Bb7 11. 0-0 Be7 12. Bg5 Nbd7 13. Ne5 Rc8 14. Qd3 Nxe5 15. dxe5 Qxd3 16. Bxd3 Nd7 17. Bxe7 Kxe7 18. f4 1/2-1/2

[Event "NED-ch15"]
[Site "Amsterdam"]
[Date "1950.07.18"]
[Round "2"]
[White "Stumpers, Louis F"]
[Black "Donner, Jan Hein"]
[Result "0-1"]
[ECO "D77"]
[PlyCount "60"]
[EventDate "1950.07.17"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 g6 4. d4 Nf6 5. 0-0 Bg7 6. c4 0-0 7. dxc5 dxc4 8. Nc3 Qa5 9. Qd4 Nc6 10. Qxc4 Be6 11. Qh4 Rad8 12. Ng5 Bc8 13. Nce4 h5 14. Nxf6+ Bxf6 15. e4 Ne5 16. h3 Kg7 17. a3 Qxc5 18. Be3 Qb5 19. a4 Qa5 20. Rfb1 Nd3 21. b4 Nxb4 22. e5 Bxe5 23. g4 Bxa1 24. gxh5 Nc2 25. hxg6 Rh8 26. Qc4 Nxe3 27. Qxf7+ Kh6 28. g7 Qxg5 29. gxh8Q+ Bxh8 30. fxe3 Bxh3 0-1

[Event "NED-ch15"]
[Site "Amsterdam"]
[Date "1950.07.17"]
[Round "1"]
[White "Henneberke, Frans"]
[Black "Stumpers, Louis F"]
[Result "0-1"]
[ECO "A12"]
[PlyCount "94"]
[EventDate "1950.07.17"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. 0-0 e6 5. d3 h6 6. Nbd2 Nbd7 7. c4 c6 8. b3 Bc5 9. Bb2 0-0 10. Qe1 Bh7 11. e4 dxe4 12. dxe4 Qe7 13. e5 Ne8 14. Ne4 Ba3 15. Bc3 Nc5 16. Nxc5 Bxc5 17. Rd1 a5 18. Qd2 Nc7 19. Qd7 Rfe8 20. Qxe7 Rxe7 21. Rd2 Bb4 22. Bxb4 axb4 23. Rfd1 Kf8 24. Ne1 Na6 25. Kf1 Nc5 26. Ke2 Ree8 27. Ke3 Ra5 28. Bf1 Ne4 29. Rd7 Nc3 30. R1d4 Rxe5+ 31. Kd2 Ne4+ 32. Kd1 Nxf2+ 33. Kd2 Ne4+ 34. Kd1 Ra5 35. Rxb7 Rxa2 36. Nd3 Rea8 37. Nc1 Nc3+ 38. Ke1 Rc2 39. Ne2 Ne4 40. Bg2 Ra1+ 41. Rd1 Rxe2+ 42. Kxe2 Nc3+ 43. Ke3 Nxd1+ 44. Kd4 Ra5 45. c5 e5+ 46. Kc4 e4 47. Kd4 Ra8 0-1

[Event "BEL-NED m"]
[Site "Antwerp"]
[Date "1950.04.16"]
[Round "2.7"]
[White "Stumpers, Louis F"]
[Black "Van Schoor, Karl"]
[Result "1-0"]
[ECO "B28"]
[PlyCount "65"]
[EventDate "1950.04.15"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Belgium"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "BEL"]

1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nc2 Bc5 7. Nc3 Nge7 8. a3 d6 9. b4 Ba7 10. Be2 0-0 11. Bb2 f5 12. Bf3 Be6 13. Qd3 Rc8 14. exf5 Nxf5 15. Bd5 Nfd4 16. 0-0 Bxd5 17. Nxd5 Nxc2 18. Qxc2 b5 19. c5 dxc5 20. Qe4 Kh8 21. Rad1 Nd4 22. bxc5 Rxc5 23. Nb4 Qg5 24. Bxd4 exd4 25. Qb7 Bb8 26. g3 Rcf5 27. Nc6 Qf6 28. Rd2 Bd6 29. Nxd4 Rh5 30. Qc6 Qh6 31. Rfd1 Rxh2 32. Nf5 Rxf5 33. Rxd6 1-0

[Event "BEL-NED m"]
[Site "Antwerp"]
[Date "1950.04.15"]
[Round "1.7"]
[White "Van Schoor, Karl"]
[Black "Stumpers, Louis F"]
[Result "1/2-1/2"]
[ECO "B58"]
[PlyCount "92"]
[EventDate "1950.04.15"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Belgium"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nf3 h6 8. 0-0 Be7 9. b3 0-0 10. Bb2 Be6 11. Re1 Qa5 12. Bf1 Rfd8 13. Qd2 Rac8 14. Rad1 Kf8 15. a3 Bg4 16. b4 Qb6 17. Na4 Qc7 18. c4 Qd7 19. b5 Nb8 20. Qe3 Qe6 21. Qxa7 Bxf3 22. gxf3 Nh5 23. Bc1 Nd7 24. Nb6 Nxb6 25. Qxb6 Bg5 26. Bxg5 hxg5 27. c5 d5 28. Qxe6 fxe6 29. exd5 exd5 30. Rxe5 Rxc5 31. Rxg5 Nf6 32. Re5 Rc3 33. Re3 Rdc8 34. a4 b6 35. Re6 Ra3 36. Rxb6 Rxa4 37. Rc6 Rxc6 38. bxc6 Ra7 39. Rb1 Rc7 40. Rb6 Ke7 41. Rb8 Kd6 42. Bb5 d4 43. Kf1 Ke5 44. Ba4 Nd5 45. Rb7 Kd6 46. Rxc7 Nxc7 1/2-1/2

[Event "Match/Nation NED-ENG 12,5-7,5"]
[Site "Utrecht"]
[Date "1949.09.18"]
[Round "2.5"]
[White "Stumpers, Louis F"]
[Black "Milner Barry, Philip Stuart"]
[Result "1/2-1/2"]
[ECO "E00"]
[PlyCount "90"]
[EventDate "1949.09.17"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "England"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ENG"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 d6 6. Bg2 0-0 7. Nc3 e5 8. dxe5 dxe5 9. Rd1 Nc6 10. Bxc6 Qxd2+ 11. Rxd2 bxc6 12. Nf3 Re8 13. 0-0 Bg4 14. Rfd1 Kf8 15. Ne1 Rab8 16. b3 Bf5 17. Ng2 Ne4 18. Nxe4 Bxe4 19. f3 Bf5 20. e4 Be6 21. Ne3 Ke7 22. Kf2 Rbd8 23. Ke2 Rd6 24. c5 Rxd2+ 25. Rxd2 Rb8 26. Nd1 Rb5 27. Rc2 Rb4 28. Nf2 f6 29. Kd2 a5 30. Kc3 Rb8 31. Nd3 Ra8 32. Nb2 Rb8 33. Nd3 Ra8 34. a3 Kf7 35. Rc1 Rb8 36. Rb1 a4 37. b4 Ba2 38. Rb2 Bb3 39. Rd2 g6 40. Nb2 f5 41. Nc4 Bxc4 42. Kxc4 fxe4 43. fxe4 Ke6 44. h4 h5 45. Rd3 Ke7 1/2-1/2

[Event "Match/Nation HUN-NED"]
[Site "Budapest"]
[Date "1949.??.??"]
[Round "?"]
[White "Jenei, Ferenc"]
[Black "Stumpers, Louis F"]
[Result "1/2-1/2"]
[ECO "E14"]
[PlyCount "60"]
[EventDate "1949.??.??"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "HUN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. Nc3 Bb7 5. e3 Ne4 6. Bd3 Nxc3 7. bxc3 f5 8. Qc2 Bxf3 9. gxf3 g6 10. f4 Qh4 11. Qe2 Bg7 12. Qf3 Nc6 13. Ba3 Rc8 14. c5 Rb8 15. Bb5 Ne7 16. c6 d5 17. Bb4 Rd8 18. a4 Nc8 19. a5 Nd6 20. Bxd6 Rxd6 21. axb6 axb6 22. Ra7 Qe7 23. Kd2 Rd8 24. Rha1 0-0 25. R1a6 Rb8 26. Kd3 Rfc8 27. Rb7 Qd8 28. Raa7 Ra8 29. Qd1 Rxa7 30. Rxa7 Ra8 1/2-1/2

[Event "Match/Nation CSR-NED"]
[Site "Prague"]
[Date "1949.??.??"]
[Round "1"]
[White "Rohacek, Ivan Vladimir"]
[Black "Stumpers, Louis F"]
[Result "1-0"]
[ECO "C47"]
[PlyCount "104"]
[EventDate "1949.??.??"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "CSR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 c6 11. Qf3 Be7 12. Rae1 Be6 13. Nd1 Rb8 14. b3 a5 15. Ne3 h6 16. Bh4 Rb4 17. c4 dxc4 18. Bxc4 Bd5 19. Bxd5 Rxh4 20. Bxc6 Qc7 21. g3 Rh5 22. Nd5 Nxd5 23. Bxd5 Re5 24. Rxe5 Qxe5 25. Bc4 Bf6 26. Rd1 Qc7 27. Qf5 Qe5 28. Qxe5 Bxe5 29. Rd7 Bc3 30. Kg2 g5 31. Kf3 Kg7 32. Ke4 Kg6 33. g4 f6 34. Kd3 Be5 35. Ke2 Ra8 36. Bd3+ f5 37. Bxf5+ Kf6 38. Rh7 Bf4 39. Rxh6+ Ke7 40. Rg6 Kf7 41. Rh6 a4 42. Be4 Rd8 43. bxa4 Kg7 44. Rh7+ Kg8 45. h4 Rd4 46. Kf3 Rxa4 47. hxg5 Bxg5 48. Rh5 Ra3+ 49. Kg2 Ra5 50. Bf5 Bd2 51. Be6+ Kg7 52. Rxa5 Bxa5 1-0

[Event "Match/Nation HUN-NED"]
[Site "Budapest"]
[Date "1949.??.??"]
[Round "?"]
[White "Stumpers, Louis F"]
[Black "Jenei, Ferenc"]
[Result "0-1"]
[ECO "C99"]
[PlyCount "62"]
[EventDate "1949.??.??"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "HUN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Bb7 14. Nf1 d5 15. dxe5 Nxe4 16. Be3 Nc4 17. Bd4 f6 18. Rc1 Qd8 19. exf6 Bxf6 20. Bb3 Kh8 21. Re2 Rc8 22. a3 Bxd4 23. Qxd4 Rxf3 24. Bxc4 Rf8 25. Qa7 Qd7 26. Bxd5 Qxd5 27. Rxc8 Rxc8 28. Ne3 Rc1+ 29. Kh2 Qe5+ 30. g3 Nxg3 31. Qxb7 Nxe2+ 0-1

[Event "Match/Nation CSR-NED"]
[Site "Prague"]
[Date "1949.??.??"]
[Round "2"]
[White "Stumpers, Louis F"]
[Black "Rohacek, Ivan Vladimir"]
[Result "1/2-1/2"]
[ECO "C88"]
[PlyCount "86"]
[EventDate "1949.??.??"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "CSR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[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. a4 Rb8 9. axb5 axb5 10. Nc3 d6 11. d3 Be6 12. Nd5 Bxd5 13. exd5 Nb4 14. d4 e4 15. Ng5 Nbxd5 16. Nxe4 Nxe4 17. Rxe4 Nf6 18. Re2 Re8 19. c3 Ra8 20. Bg5 Rxa1 21. Qxa1 h6 22. Bd2 Bf8 23. Rxe8 Qxe8 24. Qe1 Qxe1+ 25. Bxe1 d5 26. f3 Bd6 27. Bd2 Kf8 28. Bc2 Ke7 29. Bd3 c6 30. g3 Nd7 31. Kf2 Kf6 32. h4 Nf8 33. Bf1 Ne6 34. Bh3 Ke7 35. Bg4 Kf6 36. f4 g6 37. h5 Ke7 38. Bf3 Kf6 39. Kg2 Ng7 40. hxg6 fxg6 41. Bg4 Nf5 42. Bh3 h5 43. Kf3 Bc7 1/2-1/2

[Event "NED-ch14 sf"]
[Site "Nijmegen"]
[Date "1948.11.25"]
[Round "9"]
[White "Stumpers, Louis F"]
[Black "Kramer, Haije J"]
[Result "0-1"]
[ECO "B92"]
[PlyCount "80"]
[EventDate "1948.11.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. 0-0 Be7 9. f4 exf4 10. Bxf4 Nc6 11. Qe1 Nb4 12. Qg3 0-0 13. Rad1 Qb6+ 14. Be3 Qc7 15. Nd4 Kh8 16. a3 Nc6 17. Nf5 Bxf5 18. Rxf5 Qc8 19. Rdf1 Ne5 20. Bg5 Re8 21. Rxf6 gxf6 22. Rxf6 Rg8 23. Nd5 Qc5+ 24. Kh1 Qxc2 25. Nxe7 Qxe2 26. h3 Qd1+ 27. Kh2 Ng4+ 28. hxg4 Rxg5 29. Qc3 Re5 30. Nf5 Qxg4 31. Rxd6 Qxe4 32. g4 Qe2+ 33. Kg3 Rg8 34. Qd4 f6 35. Rxf6 Re4 36. Re6+ Rxd4 37. Rxe2 Rdxg4+ 38. Kf3 Rg1 39. Re7 Rf8 40. Ke4 Rg4+ 0-1

[Event "NED-ch14 sf"]
[Site "Nijmegen"]
[Date "1948.11.24"]
[Round "8"]
[White "Baay, Jacob G"]
[Black "Stumpers, Louis F"]
[Result "1-0"]
[ECO "E37"]
[PlyCount "79"]
[EventDate "1948.11.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 Nc6 8. e3 e5 9. cxd5 Qxd5 10. Bc4 Qa5+ 11. b4 Nxb4 12. Qxe4 Nc2+ 13. Ke2 Qe1+ 14. Kf3 Nxa1 15. Bb2 0-0 16. Kg3 h6 17. h4 Qd2 18. Nf3 Qxb2 19. Ng5 Re8 20. Bxf7+ Kf8 21. Bxe8 Qc2 22. Ba4 Qxa4 23. Qf3+ Ke7 24. Qf7+ Kd8 25. Qf8+ Qe8 26. Nf7+ Kd7 27. Nxe5+ Kd8 28. Nf7+ Kd7 29. Qxg7 Nb3 30. Rb1 Nd2 31. Rb5 Ne4+ 32. Kh2 Kc6 33. Re5 Be6 34. d5+ Bxd5 35. Rxe8 Rxe8 36. Ne5+ Kb6 37. Nd3 c5 38. f3 Nd6 39. Qd7 Re6 40. Nf4 1-0

[Event "NED-ch14 sf"]
[Site "Nijmegen"]
[Date "1948.11.23"]
[Round "7"]
[White "Stumpers, Louis F"]
[Black "Vlagsma, Chris"]
[Result "0-1"]
[ECO "C65"]
[PlyCount "89"]
[EventDate "1948.11.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Bc5 5. Nxe5 Nxe5 6. d4 a6 7. Be2 Nxe4 8. dxc5 Nc6 9. Qd5 Nf6 10. Qg5 Nd4 11. Qe5+ Ne6 12. f4 d6 13. cxd6 cxd6 14. Qc3 0-0 15. Nd2 Nd5 16. Qg3 Qb6+ 17. Kh1 Qe3 18. Qf3 Qxf3 19. Bxf3 Ne3 20. Rf2 Nxc2 21. Rb1 Nb4 22. Nc4 Nd4 23. Nxd6 Nxf3 24. Rxf3 Rd8 25. Bd2 Nxa2 26. Nc4 b5 27. Nb6 Rb8 28. Ba5 Rd4 29. h3 Bb7 30. Re3 f5 31. Rbe1 Be4 32. Ra3 Nb4 33. Rg3 Nc6 34. b4 Nxb4 35. Nd7 Rc8 36. Nf6+ Kf7 37. Nxe4 fxe4 38. Ra1 Rd3 39. Rg5 Nd5 40. Rf5+ Nf6 41. Bb6 Rd5 42. Re5 Rxe5 43. fxe5 Nd5 44. Rxa6 Nxb6 45. Rxb6 0-1

[Event "NED-ch14 sf"]
[Site "Nijmegen"]
[Date "1948.11.19"]
[Round "5"]
[White "Stumpers, Louis F"]
[Black "Henneberke, Frans"]
[Result "1-0"]
[ECO "C92"]
[PlyCount "85"]
[EventDate "1948.11.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[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 Nd7 10. d4 Bf6 11. Bc2 Nb6 12. b3 Ne7 13. Nbd2 g5 14. dxe5 dxe5 15. Nh2 Ng6 16. Ng4 Nf4 17. Nf3 Qxd1 18. Nxf6+ Kg7 19. Nh5+ Nxh5 20. Bxd1 Nf4 21. Nxe5 Ne6 22. Nc6 Re8 23. Nd4 h6 24. Bc2 Nf8 25. Ba3 Bd7 26. Rad1 Ng6 27. Kh2 Ne5 28. f3 Rac8 29. Bc5 Be6 30. Rd2 Nbd7 31. Ba3 c5 32. Nxe6+ Rxe6 33. Red1 Rc7 34. Rd6 Rxd6 35. Rxd6 Rc6 36. Rxc6 Nxc6 37. g3 f6 38. Kg2 Kf7 39. f4 Ke6 40. Bd1 Kd6 41. Bg4 Nb6 42. Bc1 Nd7 43. e5+ 1-0

[Event "NED-ch14 sf"]
[Site "Nijmegen"]
[Date "1948.11.18"]
[Round "4"]
[White "Barendregt, Johan"]
[Black "Stumpers, Louis F"]
[Result "0-1"]
[ECO "C86"]
[PlyCount "52"]
[EventDate "1948.11.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Qe2 0-0 8. c3 d5 9. exd5 Bg4 10. dxc6 e4 11. d4 exf3 12. gxf3 Bh3 13. Re1 Bd6 14. Bg5 h6 15. Bh4 Bf4 16. Qe7 Qc8 17. Bxf6 Qf5 18. Bh4 Qh5 19. Bd1 Rae8 20. Qxe8 Qxh4 21. Qe7 Qh5 22. Bc2 f5 23. Re6 Bd6 24. Rxd6 cxd6 25. Qxd6 Qg5+ 26. Kh1 Qg2# 0-1

[Event "NED-ch14 sf"]
[Site "Nijmegen"]
[Date "1948.11.17"]
[Round "3"]
[White "Stumpers, Louis F"]
[Black "Van Scheltinga, Theo D"]
[Result "1-0"]
[ECO "C97"]
[PlyCount "93"]
[EventDate "1948.11.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[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 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Be6 13. Nf1 Nc4 14. Ne3 cxd4 15. Nxc4 d3 16. Bxd3 bxc4 17. Bf1 Qc6 18. Qc2 h6 19. Bd2 Nd7 20. b3 f5 21. bxc4 Nc5 22. exf5 Bxf5 23. Qd1 Rab8 24. Nd4 exd4 25. Rxe7 Ne4 26. Be1 dxc3 27. Qd4 Rf6 28. Bxc3 Nxc3 29. Qxc3 Rbf8 30. Rae1 Qb6 31. Qe3 Qb2 32. Re2 Qa1 33. Rd2 Kh7 34. Qd4 Qb1 35. Rb2 Qc1 36. Rbb7 Qg5 37. f4 Qg3 38. Rxg7+ Qxg7 39. Rxg7+ Kxg7 40. g4 Kg8 41. gxf5 Rxf5 42. Bd3 Rxf4 43. Qxd6 R8f6 44. Qd7 Rf3 45. c5 Rg3+ 46. Kh2 Rg7 47. Qe8+ 1-0

[Event "NED-ch14 sf"]
[Site "Nijmegen"]
[Date "1948.11.16"]
[Round "2"]
[White "Prins, Lodewijk"]
[Black "Stumpers, Louis F"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "60"]
[EventDate "1948.11.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Qb6 5. Nc3 Bg4 6. Bxb8 Rxb8 7. Bb5+ Kd8 8. dxc5 Qxc5 9. h3 Bxf3 10. Qxf3 e6 11. 0-0-0 Kc7 12. Ba4 Rd8 13. g4 h6 14. h4 Kb8 15. Rhg1 Qa5 16. g5 hxg5 17. hxg5 Ne4 18. Nxe4 Qxa4 19. Nc3 Qe8 20. e4 d4 21. Ne2 e5 22. Kb1 Rh4 23. Nxd4 Rf4 24. Qe3 Rc8 25. Nb3 Qc6 26. f3 Qxc2+ 27. Ka1 Bc5 28. Nxc5 Qxc5 29. Qd3 Qc2 30. Qd5 Qc5 1/2-1/2

[Event "NED-ch14 sf"]
[Site "Nijmegen"]
[Date "1948.11.15"]
[Round "1"]
[White "Stumpers, Louis F"]
[Black "Vinken, Alex"]
[Result "0-1"]
[ECO "E21"]
[PlyCount "66"]
[EventDate "1948.11.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 0-0 5. Bg5 h6 6. Bh4 d5 7. e3 c5 8. a3 Bxc3+ 9. bxc3 Qa5 10. Qb3 Ne4 11. Rc1 Nc6 12. Bd3 cxd4 13. exd4 f5 14. cxd5 exd5 15. Bg3 Rf7 16. Be5 Be6 17. 0-0 Rc8 18. Rfe1 Nxe5 19. Nxe5 Rfc7 20. Bxe4 fxe4 21. Re3 b5 22. f3 Qb6 23. Rb1 a6 24. a4 Rxc3 25. Rxc3 Qxd4+ 26. Re3 b4 27. Kf1 Qxe5 28. Qxb4 Qxh2 29. Qb2 Bf5 30. Qa2 Kh8 31. Rb4 Rc1+ 32. Kf2 Qh4+ 33. Ke2 Qe1# 0-1

[Event "Baarn-B"]
[Site "Baarn"]
[Date "1947.05.15"]
[Round "7"]
[White "Soultanbeieff, Victor Ivanovich"]
[Black "Stumpers, Louis F"]
[Result "1/2-1/2"]
[ECO "D95"]
[PlyCount "91"]
[EventDate "1947.05.09"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 c6 6. e3 0-0 7. Bd3 b6 8. cxd5 Nxd5 9. 0-0 Bb7 10. Rd1 Nd7 11. e4 Nc7 12. Be3 Qe8 13. a4 Rb8 14. a5 b5 15. Bf4 e5 16. dxe5 Ne6 17. Bg3 a6 18. Qa3 c5 19. Nxb5 axb5 20. Bxb5 Bc8 21. Bc6 Rb7 22. Bxb7 Bxb7 23. Rd6 Bxe4 24. Rad1 Bxf3 25. Qxf3 Nxe5 26. Qd5 Nd4 27. Qxc5 Nd3 28. Qb6 Qe2 29. Rf1 Nxb2 30. Rd8 Qc4 31. Bd6 Ne2+ 32. Kh1 Ng3+ 33. hxg3 Qxf1+ 34. Kh2 Nc4 35. Bxf8 Nxb6 36. Bc5+ Bf8 37. Bxf8 h5 38. Bc5+ Kg7 39. axb6 Qb5 40. Be3 h4 41. Rd2 hxg3+ 42. Kxg3 Qe5+ 43. Kh3 Qh5+ 44. Kg3 Qe5+ 45. Kf3 Qh5+ 46. Kg3 1/2-1/2

[Event "Baarn-B"]
[Site "Baarn"]
[Date "1947.05.13"]
[Round "5"]
[White "Tartakower, Saviely"]
[Black "Stumpers, Louis F"]
[Result "1-0"]
[ECO "D74"]
[PlyCount "47"]
[EventDate "1947.05.09"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. c4 Bg7 4. d4 0-0 5. Bg2 d5 6. cxd5 Nxd5 7. 0-0 c6 8. e4 Nb6 9. h3 Be6 10. Na3 Na6 11. Nc2 Nc7 12. Kh2 Bc4 13. Re1 Ne6 14. b3 Ba6 15. Rb1 Qd6 16. Be3 Nd7 17. e5 Qc7 18. Nb4 Qa5 19. Qd2 Rfe8 20. Nxa6 Qxa6 21. Bf1 Qa3 22. b4 Nc7 23. Ng5 Nb6 24. Ne4 1-0

[Event "Baarn-B"]
[Site "Baarn"]
[Date "1947.05.12"]
[Round "4"]
[White "Stumpers, Louis F"]
[Black "Van Steenis, Hendrik Jan"]
[Result "0-1"]
[ECO "D23"]
[PlyCount "66"]
[EventDate "1947.05.09"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Qa4+ c6 5. Qxc4 Bf5 6. Nc3 e6 7. g3 a5 8. Qb3 b5 9. Bg2 a4 10. Qd1 Bb4 11. 0-0 Qa5 12. Ne5 Ra6 13. e4 Bg6 14. Nxg6 hxg6 15. Ne2 0-0 16. Bg5 Nbd7 17. Rc1 a3 18. b3 e5 19. dxe5 Nxe5 20. Qd4 Re8 21. Bxf6 gxf6 22. f4 Rd8 23. Qa1 Nd3 24. Rc2 Qb6+ 25. Kh1 Nf2+ 26. Kg1 Rd1 27. Rxd1 Nxd1+ 28. Qd4 Ba5 29. Rc1 Nc3 30. Kf1 Nxa2 31. Rc5 Nc3 32. Nxc3 Bxc3 33. Qxc3 a2 0-1

[Event "Baarn-B"]
[Site "Baarn"]
[Date "1947.05.09"]
[Round "1"]
[White "Stumpers, Louis F"]
[Black "Grob, Henry"]
[Result "1-0"]
[ECO "A55"]
[PlyCount "119"]
[EventDate "1947.05.09"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 Be7 6. Be2 0-0 7. 0-0 c6 8. h3 Qc7 9. Be3 b6 10. Rc1 Re8 11. Qd2 Nf8 12. d5 c5 13. Bd1 Ng6 14. Bc2 Bd7 15. Ne2 b5 16. cxb5 Bxb5 17. Bd3 Bxd3 18. Qxd3 Reb8 19. Rc2 Rb4 20. Nd2 Rab8 21. Nc4 Nh5 22. g3 Qd7 23. Kh2 Rf8 24. Bd2 Rbb8 25. Ne3 Bg5 26. Nc4 Bxd2 27. Qxd2 h6 28. Rc3 Kh7 29. Qc2 Kh8 30. Ra3 Rb4 31. b3 Nf6 32. Ra6 Ne8 33. Nc1 Rb8 34. Nd3 f5 35. Nxc5 dxc5 36. Rxg6 fxe4 37. Qxe4 Nf6 38. Nxe5 Qxd5 39. Qxd5 Nxd5 40. Ra6 Kh7 41. f4 Rb7 42. Rf2 Nb6 43. Rd2 g5 44. Ra5 gxf4 45. gxf4 Rc7 46. Kg3 Kg7 47. Kf3 c4 48. Rg2+ Kh7 49. bxc4 Nxc4 50. Nxc4 Rxc4 51. Rxa7+ Kh8 52. Rg4 Rc3+ 53. Ke4 Rxh3 54. Rgg7 Re8+ 55. Kf5 Rh2 56. Rh7+ Kg8 57. Rag7+ Kf8 58. Kf6 Re6+ 59. Kxe6 Rxa2 60. Ra7 1-0

[Event "NED-ch Voorwedstrijden Leiden-A"]
[Site "Leiden"]
[Date "1946.11.02"]
[Round "7"]
[White "Stumpers, Louis F"]
[Black "Cortlever, Nicolaas"]
[Result "1/2-1/2"]
[ECO "D79"]
[PlyCount "100"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Nc3 Nc6 7. Nf3 Bg7 8. 0-0 0-0 9. Ne5 Nd7 10. Nxd5 Ndxe5 11. dxe5 Bxe5 12. Qd3 e6 13. Nf4 Qe7 14. Qc4 Bd7 15. Nd3 Bd6 16. Bh6 Rfd8 17. Rac1 Rac8 18. Qe4 e5 19. Qe3 Bf5 20. Nc5 Bxc5 21. Rxc5 f6 22. Rfc1 Nd4 23. Rxc8 Rxc8 24. Bd5+ Kh8 25. Rxc8+ Bxc8 26. Qd3 Qc5 27. Bb3 Bf5 28. e4 Bd7 29. Qc4 Qxc4 30. Bxc4 Bc6 31. Bd3 Kg8 32. Be3 Nf3+ 33. Kf1 Nxh2+ 34. Ke2 Ng4 35. Bxa7 Kf7 36. f3 Nh6 37. Bc4+ Ke8 38. Bc5 Nf7 39. b3 f5 40. exf5 gxf5 41. Ke3 Ng5 42. Be2 f4+ 43. Kf2 e4 44. gxf4 exf3 45. fxg5 fxe2 46. Kxe2 b5 47. Kd3 Kd7 48. Kd4 Bf3 49. Kc3 Kc6 50. Kb4 Be2 1/2-1/2

[Event "NED-ch Voorwedstrijden Leiden-A"]
[Site "Leiden"]
[Date "1946.11.01"]
[Round "6"]
[White "Stumpers, Louis F"]
[Black "Euwe, Max"]
[Result "0-1"]
[ECO "E68"]
[PlyCount "60"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Ne2 e5 7. 0-0 Nbd7 8. Nbc3 exd4 9. Nxd4 Nc5 10. Re1 a5 11. b3 Re8 12. Bb2 a4 13. Rb1 axb3 14. axb3 c6 15. b4 Ne6 16. Nc2 Ng5 17. Qd2 Ng4 18. h4 Ne6 19. Nd1 Ne5 20. Nde3 Ra2 21. Bc3 Qf6 22. Ra1 Rxa1 23. Bxa1 Nf3+ 24. Bxf3 Qxf3 25. Nf1 Bxa1 26. Nxa1 Nd4 27. Nh2 Rxe4 28. Nc2 Rxe1+ 29. Nxe1 Ne2+ 30. Kf1 Bh3+ 0-1

[Event "NED-ch Voorwedstrijden Leiden-A"]
[Site "Leiden"]
[Date "1946.10.31"]
[Round "5"]
[White "Van den Berg, Carel"]
[Black "Stumpers, Louis F"]
[Result "1-0"]
[ECO "D19"]
[PlyCount "115"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Bg4 10. Rd1 Nbd7 11. h3 Bh5 12. e4 Qe7 13. e5 Nd5 14. Ne4 f6 15. exf6 N7xf6 16. Ng3 Bxf3 17. Qxf3 Rf7 18. Bd3 e5 19. Nf5 Qe8 20. Qg3 e4 21. Nh6+ Kh8 22. Nxf7+ Qxf7 23. Bc4 Rd8 24. Bg5 h6 25. Bd2 Bd6 26. Qb3 g5 27. f3 exf3 28. Qxf3 Kg7 29. Rf1 Rf8 30. Qf5 Bb8 31. Bd3 Ne7 32. Qf3 Qe6 33. Rae1 Qd6 34. g3 Qxd4+ 35. Kg2 Ned5 36. Bc3 Nxc3 37. bxc3 Qd6 38. Bc2 b5 39. Rd1 Qe7 40. Qd3 Kg8 41. Qg6+ Qg7 42. Qxg7+ Kxg7 43. axb5 cxb5 44. Rf5 a6 45. Ra1 Rd8 46. Rxa6 Nd5 47. Rf3 Bd6 48. Rd3 Bc5 49. Rg6+ Kf7 50. Rxh6 Kg7 51. Rg6+ Kh8 52. Rxg5 Ne3+ 53. Kh1 Rf8 54. Rh5+ Kg8 55. Rd2 Rf1+ 56. Kh2 Re1 57. Rg5+ Kf7 58. Rf2+ 1-0

[Event "NED-ch Voorwedstrijden Leiden-A"]
[Site "Leiden"]
[Date "1946.10.30"]
[Round "4"]
[White "Stumpers, Louis F"]
[Black "Van Steenis, Hendrik Jan"]
[Result "0-1"]
[ECO "D28"]
[PlyCount "48"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Nf6 5. Bxc4 e6 6. 0-0 c5 7. Qe2 Nc6 8. Nc3 b5 9. Bb3 Qc7 10. Rd1 Bb7 11. d5 exd5 12. e4 0-0-0 13. exd5 Nb4 14. Bg5 c4 15. Rac1 Re8 16. Qf1 Kb8 17. Bxf6 gxf6 18. a3 Bh6 19. d6 Qd7 20. Rb1 Nd3 21. Rxd3 cxd3 22. Qxd3 Rhg8 23. Rd1 Rxg2+ 24. Kxg2 Qg4+ 0-1

[Event "NED-ch Voorwedstrijden Leiden-A"]
[Site "Leiden"]
[Date "1946.10.29"]
[Round "3"]
[White "Fontein, George Salto"]
[Black "Stumpers, Louis F"]
[Result "1/2-1/2"]
[ECO "D94"]
[PlyCount "52"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 d5 5. e3 0-0 6. Bd3 c5 7. 0-0 cxd4 8. exd4 Nc6 9. h3 Nb4 10. Be2 dxc4 11. Bxc4 b6 12. Bg5 Bb7 13. Ne5 Nc6 14. Nxc6 Bxc6 15. Qd2 Rc8 16. Bb3 Rc7 17. Qe3 Qa8 18. f3 Rd7 19. Rad1 Rfd8 20. Bf4 Nd5 21. Nxd5 Bxd5 22. Be5 Qc6 23. Bxg7 Kxg7 24. Rd2 Qe6 25. Qxe6 Bxe6 26. Rfd1 Bd5 1/2-1/2

[Event "NED-ch Voorwedstrijden Leiden-A"]
[Site "Leiden"]
[Date "1946.10.28"]
[Round "2"]
[White "Stumpers, Louis F"]
[Black "Marwitz, Jan Hendrik"]
[Result "1-0"]
[ECO "D53"]
[PlyCount "80"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Be7 7. e3 0-0 8. Bd3 Nbd7 9. 0-0 c5 10. dxc5 Nxc5 11. Bxf6 Bxf6 12. Nxd5 Nxd3 13. Qxd3 Bxb2 14. Rab1 Be6 15. Rfd1 Bxd5 16. Qxd5 Qxd5 17. Rxd5 Rac8 18. Rdd1 Bf6 19. Rxb7 Rc2 20. g4 h6 21. Rd2 Rxd2 22. Nxd2 Rc8 23. Ne4 Rc4 24. Nxf6+ gxf6 25. h3 Kg7 26. Rb2 Kg6 27. Kg2 Kg5 28. Rd2 Ra4 29. Kg3 Kg6 30. h4 Kg7 31. f3 Kg6 32. e4 Ra3 33. Kf4 Kg7 34. Rg2 Ra4 35. Rf2 Ra5 36. Ke3 Ra4 37. Kd3 Kf8 38. Kc3 Ke7 39. Kb3 Rd4 40. Rc2 Kd6 1-0

[Event "NED-ch Voorwedstrijden Leiden-A"]
[Site "Leiden"]
[Date "1946.10.26"]
[Round "1"]
[White "Wolthuis, Willem"]
[Black "Stumpers, Louis F"]
[Result "1/2-1/2"]
[ECO "C58"]
[PlyCount "103"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 h6 7. Nf3 e4 8. Qe2 Nxc4 9. dxc4 Bd6 10. Nd4 0-0 11. Nc3 Bg4 12. Qf1 c6 13. h3 Bd7 14. dxc6 bxc6 15. Be3 Bb4 16. Nde2 Be6 17. a3 Qa5 18. Rd1 Bxc3+ 19. Nxc3 Rab8 20. Bd2 Qa6 21. b3 Qxa3 22. Qe2 Qb2 23. Nxe4 Nxe4 24. Qxe4 Bd5 25. Qg4 f5 26. Qg3 Rbe8+ 27. Kf1 Qxc2 28. Ra1 Qxd2 29. cxd5 cxd5 30. Kg1 f4 31. Qg6 Re1+ 32. Kh2 Rxh1+ 33. Kxh1 Qxf2 34. Qe6+ Kh8 35. Qxd5 f3 36. gxf3 Rxf3 37. Qa8+ Rf8 38. Qg2 Qxg2+ 39. Kxg2 Rf7 40. Kg3 Kh7 41. Kg4 Rb7 42. Ra4 Kg6 43. h4 Kf6 44. Kf4 Ke6 45. Ke4 Kd6 46. Kd4 Kc6 47. Kc4 Rc7 48. b4 Kb6+ 49. Kb3 Rf7 50. Ra5 Rf3+ 51. Ka4 Rf1 52. Re5 1/2-1/2

[Event "NED-ch12 sf"]
[Site "Leeuwarden"]
[Date "1942.08.04"]
[Round "3"]
[White "Van Scheltinga, Theo D"]
[Black "Stumpers, Louis F"]
[Result "1-0"]
[ECO "D94"]
[PlyCount "69"]
[EventDate "1942.08.02"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Bd3 0-0 7. 0-0 Bf5 8. Qc2 Bxd3 9. Qxd3 Na6 10. e4 dxc4 11. Qxc4 Nd7 12. Bg5 Re8 13. Rad1 Qc7 14. Qe2 Nb6 15. Rc1 Qd7 16. Rcd1 Qe6 17. b3 Rad8 18. Qe3 Nb4 19. Bh6 Bxh6 20. Qxh6 Qf6 21. Qe3 Na6 22. h3 Nc7 23. Ne2 Rc8 24. Ne5 Rcd8 25. f4 Nd7 26. Ng4 Qe6 27. f5 gxf5 28. Nh6+ Kh8 29. Qg5 f6 30. exf5 Qd5 31. Qh5 Rf8 32. Nf4 Qe4 33. Ng6+ hxg6 34. Nf7+ Kg7 35. Qxg6# 1-0

[Event "Hilversum KNSB"]
[Site "Hilversum"]
[Date "1940.08.22"]
[Round "6"]
[White "Stumpers, Louis F"]
[Black "Landau, Salo"]
[Result "1/2-1/2"]
[ECO "D31"]
[PlyCount "64"]
[EventDate "1940.08.19"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nd7 13. Bd3 Ne7 14. 0-0 Ng6 15. d5 exd5 16. cxd5 0-0 17. Bxg6 hxg6 18. e4 Nf6 19. Qd4 Re8 20. Ng5 Qb8 21. e5 Nxd5 22. Qh4 Re6 23. Qh7+ Kf8 24. Nxe6+ fxe6 25. Qxg6 Qe8 26. Qg3 a4 27. f4 Qb5 28. f5 Qc5+ 29. Rf2 a3 30. Bc1 exf5 31. Qh3 Kg8 32. Qxf5 Rf8 1/2-1/2

[Event "NED-ch11 sf"]
[Site "Amsterdam"]
[Date "1939.07.18"]
[Round "8"]
[White "Van Steenis, Hendrik Jan"]
[Black "Stumpers, Louis F"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "49"]
[EventDate "1939.07.10"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. e6 fxe6 5. d4 c5 6. Nf3 Nc6 7. dxc5 Nf6 8. Bb5 Qc7 9. 0-0 Bd7 10. Re1 g6 11. Ng5 a6 12. Ba4 Bg7 13. Nxe6 Bxe6 14. Rxe6 Kf7 15. Bb3 Rad8 16. Nxd5 Qc8 17. Rd6 Rxd6 18. cxd6 e6 19. Nc7 Nd8 20. Qe2 Ne8 21. Bg5 Nxc7 22. dxc7 Qxc7 23. Bxd8 Rxd8 24. Qxe6+ Kf8 25. Re1 1-0

[Event "NED-ch11 sf"]
[Site "Amsterdam"]
[Date "1939.07.17"]
[Round "7"]
[White "Stumpers, Louis F"]
[Black "Landau, Salo"]
[Result "0-1"]
[ECO "D33"]
[PlyCount "82"]
[EventDate "1939.07.10"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 c4 7. e4 dxe4 8. Ng5 Be7 9. Bxc4 Bxg5 10. Qh5 g6 11. Qxg5 Nf6 12. d5 Nb4 13. Bb5+ Bd7 14. Bxd7+ Nxd7 15. 0-0 Qxg5 16. Bxg5 f5 17. f3 h6 18. Bf4 exf3 19. Rae1+ Kd8 20. Rxf3 Nc5 21. Bd6 Rc8 22. Re7 Nbd3 23. Rfe3 Nxb2 24. Rg7 Nc4 25. Be7+ Ke8 26. Bxc5+ Nxe3 27. Bxe3 Rxc3 28. Bxa7 Rd3 29. Rxg6 Rxd5 30. Be3 h5 31. Rb6 Rh7 32. Kf2 Rc7 33. Rb2 b5 34. Kf3 Rc4 35. Bd2 Kd7 36. Bb4 h4 37. gxh4 Rxh4 38. a3 Rd3+ 39. Kg2 f4 40. Rf2 Ke6 41. Rc2 Rdh3 0-1

[Event "NED-ch11 qf-D"]
[Site "The Hague"]
[Date "1939.06.10"]
[Round "1"]
[White "Stumpers, Louis F"]
[Black "Overgaauw"]
[Result "1-0"]
[ECO "D53"]
[PlyCount "37"]
[EventDate "1939.06.10"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 c6 6. Nf3 Nbd7 7. Qc2 a6 8. Rd1 Qc7 9. a3 0-0 10. Bf4 Qd8 11. Bd3 Re8 12. 0-0 dxc4 13. Bxc4 Nd5 14. Nxd5 exd5 15. Bxd5 g5 16. Bxf7+ Kxf7 17. Qxh7+ Ke6 18. Qg6+ Kd5 19. Qf7+ 1-0

[Event "NED-ch11 qf-D"]
[Site "The Hague"]
[Date "1939.06.??"]
[Round "?"]
[White "Stumpers, Louis F"]
[Black "Wijnans, Artur Joseph"]
[Result "1/2-1/2"]
[ECO "D10"]
[PlyCount "70"]
[EventDate "1939.06.10"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 dxc4 4. e4 b5 5. a4 b4 6. Na2 e5 7. Nf3 b3 8. Nc3 exd4 9. Bxc4 Ba6 10. Bxa6 Nxa6 11. Nxd4 Qb6 12. a5 Qc7 13. Qxb3 Rd8 14. Be3 Nf6 15. Qc4 Nb8 16. Ndb5 Qb7 17. Nxa7 Bd6 18. 0-0 0-0 19. a6 Qc7 20. h3 Nfd7 21. Qb3 Nc5 22. Bxc5 Bxc5 23. Qb7 Qxb7 24. axb7 Rd7 25. Ra2 Rxb7 26. Rfa1 Rd8 27. e5 Rdd7 28. Nc8 Rbc7 29. Nd6 Bxd6 30. exd6 Rxd6 31. Ra8 Rd8 32. Na4 Rf8 33. Nc5 Nd7 34. Rxf8+ Kxf8 35. Ra8+ Ke7 1/2-1/2

