[Event "corr"]
[Site "?"]
[Date "1904.??.??"]
[Round "?"]
[White "Cauveren, J."]
[Black "Geus, Klaas"]
[Result "1-0"]
[ECO "C33"]
[PlyCount "65"]
[EventDate "1904.??.??"]

1. e4 e5 2. f4 exf4 3. Bc4 f5 4. Nc3 Nf6 5. d3 fxe4 6. dxe4 Bb4 7. Qe2 Bxc3+ 8.
bxc3 d6 9. Bxf4 Bg4 10. Nf3 Qe7 11. O-O Nbd7 12. Qe3 O-O-O 13. Qxa7 Qxe4 14.
Qa8+ Nb8 15. Nd4 Nfd7 16. Nb5 Nc5 17. Nd4 d5 18. Rae1 Qg6 19. Re7 Rd7 20. Rxd7
Bxd7 21. Bxd5 Rf8 22. Qa7 Nba6 23. Rb1 Kd8 24. Qa8+ Bc8 25. Rd1 Ke7 26. Re1+
Kd7 27. Ne6 Re8 28. Rd1 Qxc2 29. Nxc5+ Nxc5 30. Bb3+ Qxd1+ 31. Bxd1 Re1+ 32.
Kf2 Rxd1 33. Qa5 1-0

[Event "Hamburg Hauptturnier-B"]
[Site "Hamburg"]
[Date "1910.07.15"]
[Round "?"]
[White "Geus, Klaas"]
[Black "Barasz, Zsigmond"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "98"]
[EventDate "1910.??.??"]

1. a3 e5 2. c4 Nc6 3. Nc3 Nf6 4. g3 g6 5. Bg2 Bg7 6. e3 d6 7. d4 exd4 8. exd4
O-O 9. Nge2 Bg4 10. h3 Bxe2 11. Nxe2 Qe7 12. O-O Rfe8 13. Nc3 Qd7 14. Qd3 Qf5
15. Qxf5 gxf5 16. Be3 Ne4 17. Ne2 Nd2 18. Bxc6 bxc6 19. Bxd2 Rxe2 20. Bc3 Rae8
21. Rfd1 R8e4 22. Kf1 Rc2 23. Rac1 Rxc1 24. Rxc1 Kf8 25. f3 Re7 26. Rc2 Ke8 27.
Kf2 Kd7 28. h4 h5 29. Re2 Re6 30. Re3 Bh6 31. Rd3 Rg6 32. c5 f4 33. g4 hxg4 34.
fxg4 Rxg4 35. Rh3 Ke6 36. Ba5 Kd7 37. Be1 f5 38. Kf3 Ke6 39. Bf2 Rg8 40. Rh1 a5
41. Rg1 Rxg1 42. Bxg1 a4 43. Bh2 dxc5 44. dxc5 Bg7 45. h5 Bxb2 46. Bg1 Kf6 47.
Kxf4 Bc1+ 48. Be3 Bxe3+ 49. Kxe3 Kg5 0-1

[Event "Scheveningen"]
[Site "Scheveningen"]
[Date "1913.08.??"]
[Round "1"]
[White "Yates, Frederick"]
[Black "Geus, Klaas"]
[Result "0-1"]
[ECO "C83"]
[PlyCount "122"]
[EventDate "1913.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5
Be6 9. c3 Be7 10. Re1 O-O 11. Nbd2 Nxd2 12. Qxd2 Na5 13. Bc2 c5 14. Qd3 g6 15.
Qe3 Re8 16. Qf4 Nc6 17. Qg3 Qd7 18. Nh4 Kg7 19. f4 Bxh4 20. Qxh4 Qe7 21. Qg3 f5
22. exf6+ Qxf6 23. f5 Bxf5 24. Bg5 Qf7 25. Bxf5 gxf5 26. Qd6 Qg6 27. Qd7+ Kf8
28. Bf4 Red8 29. Qb7 d4 30. Qb6 Rd5 31. cxd4 Nxd4 32. Qc7 Rad8 33. Qe7+ Kg8 34.
Re3 Nc6 35. Qh4 Rd1+ 36. Rxd1 Rxd1+ 37. Kf2 Rd2+ 38. Kf1 Rxg2 39. Bg3 Rxb2 40.
Qf4 Rb4 41. Qc7 Re4 42. Qc8+ Kg7 43. Rd3 f4 44. Bf2 Qe6 45. Qc7+ Ne7 46. Qxc5
Qc4 47. Qd6 Re6 48. Qd7 Qe4 49. Rd2 Kg6 50. Qe8+ Kg5 51. h4+ Kh6 52. Qf8+ Kh5
53. Qf7+ Kg4 54. Qg7+ Ng6 55. Qd7 Qc6 56. Qd8 h6 57. Rd5 Qc1+ 58. Kg2 f3+ 59.
Kh2 Qf4+ 60. Kh1 Kh3 61. Bg1 Re2 0-1

[Event "Scheveningen"]
[Site "Scheveningen"]
[Date "1913.08.15"]
[Round "2"]
[White "Geus, Klaas"]
[Black "Speijer, Abraham"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "135"]
[EventDate "1913.??.??"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. Nf3 Nc6 5. d3 d6 6. Bg5 Be6 7. Nd5 Bxd5 8.
Bxd5 Ne7 9. Bb3 Ng6 10. O-O h6 11. Bd2 O-O 12. c3 Bb6 13. Qc1 Kh7 14. Bc2 Qe7
15. g3 Qe6 16. Kg2 Nh5 17. h3 f5 18. d4 fxe4 19. Bxe4 exd4 20. Qc2 Rae8 21.
Rae1 d3 22. Qxd3 d5 23. Bxd5 Qd6 24. Rxe8 Rxe8 25. Nh4 Rd8 26. c4 c6 27. Nxg6
Qxg6 28. Qxg6+ Kxg6 29. Be4+ Kf7 30. Bc1 Nf6 31. Bc2 Re8 32. b4 Bd4 33. Rd1 Re2
34. Rd2 Re1 35. Rxd4 Rxc1 36. Bb3 Ke7 37. Rd1 Rxd1 38. Bxd1 Nd7 39. f4 Nb6 40.
Bb3 Nd7 41. Kf3 Nf6 42. g4 g5 43. Bc2 b5 44. cxb5 cxb5 45. Be4 Ne8 46. Bc6 Nc7
47. f5 Kd6 48. Bb7 Ke5 49. Ke3 Ne8 50. Kf3 Kd4 51. Bc6 Nd6 52. a3 a6 53. Bd7
Ke5 54. Be6 Kf6 55. Ke3 Ke5 56. Kd3 Ne4 57. Bc8 Nf2+ 58. Ke2 Ne4 59. Bxa6 Nd6
60. Kd3 Kd5 61. f6 Kc6 62. Bc8 Kd5 63. Bd7 Ke5 64. f7 Nxf7 65. Bxb5 Kf4 66. Kd4
Ne5 67. a4 Nf3+ 68. Kc5 1-0

[Event "Scheveningen"]
[Site "Scheveningen"]
[Date "1913.08.??"]
[Round "3"]
[White "Janowski, Dawid Markelowicz"]
[Black "Geus, Klaas"]
[Result "1-0"]
[ECO "C49"]
[PlyCount "75"]
[EventDate "1913.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bc5 8. Ng3
Ne7 9. d4 exd4 10. Nxd4 Bg4 11. f3 Be6 12. Be3 c6 13. Ba4 Qd7 14. Qe2 b5 15.
Bb3 Bxb3 16. axb3 Rfe8 17. Rad1 Ng6 18. Ndf5 Bxe3+ 19. Qxe3 d5 20. Qd4 Qe6 21.
Nxg7 Kxg7 22. Nh5+ Kh8 23. exd5 cxd5 24. Nxf6 Qe3+ 25. Qxe3 Rxe3 26. Kf2 Re5
27. Rxd5 Rc8 28. c3 Kg7 29. Nh5+ Kh6 30. Rxe5 Nxe5 31. Nf4 b4 32. c4 Nc6 33.
Rd1 Na5 34. Rd3 Nb7 35. Rd7 Nc5 36. Rxf7 Nxb3 37. h4 Rxc4 38. g4 1-0

[Event "Scheveningen"]
[Site "Scheveningen"]
[Date "1913.08.15"]
[Round "4"]
[White "Geus, Klaas"]
[Black "Te Kolste, Jan Willem"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "138"]
[EventDate "1913.??.??"]

1. e4 e6 2. Qe2 e5 3. Nf3 Nc6 4. c3 d5 5. exd5 Qxd5 6. d4 Bg4 7. Nbd2 Bd6 8.
Qc4 Nf6 9. Qxd5 Nxd5 10. Bb5 exd4 11. Nxd4 Bd7 12. Nxc6 bxc6 13. Bc4 O-O 14.
O-O Rfe8 15. Nf3 Rab8 16. Bb3 h6 17. Bd2 Nf4 18. Rfe1 Nd3 19. Rxe8+ Rxe8 20.
Rb1 Bf5 21. Bc2 Re2 22. Bxd3 Bxd3 23. Re1 Rxe1+ 24. Nxe1 Bb1 25. a3 g5 26. Be3
a5 27. g3 f5 28. f4 g4 29. Kf2 c5 30. Ke2 c4 31. a4 Kf7 32. Kd2 Ke6 33. Bd4 Kd5
34. Bg7 h5 35. Ng2 Ke4 36. Bd4 Be7 37. Ke2 Bc2 38. Be5 Bd8 39. Ne3 Bxa4 40. Nf1
Bc2 41. Nd2+ Kd5 42. Ke3 a4 43. Kf2 Bd3 44. Ke3 c6 45. Bd4 Bc7 46. Kf2 h4 47.
Ke3 h3 48. Kf2 Bd8 49. Ke3 Be7 50. Kf2 Bd6 51. Ke3 Bc7 52. Kf2 Bd6 53. Ke1 Bc2
54. Ke2 a3 55. bxa3 Bxa3 56. Ke1 Bd3 57. Kd1 Kd6 58. Be5+ Kc5 59. Bf6 Kb5 60.
Bd4 Ka4 61. Ke1 Be7 62. Kd1 Ka3 63. Kc1 Ka2 64. Be5 Bc5 65. Kd1 Kb2 66. Ke1 Kc2
67. Bf6 Be3 68. Nf1 Bxf1 69. Kxf1 Bd2 0-1

[Event "Scheveningen"]
[Site "Scheveningen"]
[Date "1913.08.??"]
[Round "5"]
[White "Englund, Fritz"]
[Black "Geus, Klaas"]
[Result "1/2-1/2"]
[ECO "D05"]
[PlyCount "118"]
[EventDate "1913.??.??"]

1. Nf3 d5 2. d4 Nf6 3. e3 e6 4. Bd3 c5 5. b3 Nc6 6. Bb2 Bd7 7. Nbd2 Rc8 8. Ne5
cxd4 9. exd4 Bd6 10. a3 O-O 11. O-O Qc7 12. f4 Qb6 13. Kh1 Be8 14. Ndf3 h6 15.
Qe2 Ne7 16. g4 Bc6 17. g5 Ne4 18. gxh6 Nf5 19. Qg2 Nxh6 20. Rg1 Nf5 21. Nh4
Bxe5 22. fxe5 g6 23. Nxg6 Nfg3+ 24. hxg3 fxg6 25. Rgf1 Qc7 26. Rxf8+ Rxf8 27.
Rf1 Rxf1+ 28. Bxf1 Qf7 29. Kg1 Ng5 30. Be2 Qf5 31. Bd1 Bb5 32. Bc1 Nh3+ 33. Kh2
Nf2 34. g4 Qf7 35. Bf3 Ne4 36. c4 Bc6 37. cxd5 exd5 38. Qe2 Qh7+ 39. Kg2 Qh4
40. Bf4 g5 41. Bh2 Qh7 42. Qe3 Kf7 43. Bg3 Ke6 44. Be1 a6 45. Be2 Qe7 46. Bb4
Qf7 47. Be1 Qf8 48. Qc1 Kf7 49. Bxa6 bxa6 50. Qxc6 Qd8 51. Bb4 Kg7 52. Qxa6 Qd7
53. Qe2 Qc8 54. Kf3 Qc1 55. Kg2 Qb1 56. Qf3 Qb2+ 57. Kg1 Qxd4+ 58. Kg2 Qb2+ 59.
Kh3 Nf2+ 1/2-1/2

[Event "Scheveningen"]
[Site "Scheveningen"]
[Date "1913.08.??"]
[Round "6"]
[White "Alekhine, Alexander"]
[Black "Geus, Klaas"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "97"]
[EventDate "1913.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. exd5 exd5 5. Bg5 Be7 6. Bd3 Nc6 7. Nge2 Be6 8.
Qd2 Nb4 9. O-O-O Nxd3+ 10. Qxd3 Qd7 11. Nf4 O-O-O 12. Qe2 Rhe8 13. Nxe6 fxe6
14. Bf4 a6 15. Rd3 c5 16. Qe5 Bd6 17. Qxd6 Qxd6 18. Bxd6 Rxd6 19. dxc5 Rc6 20.
b4 Kd7 21. Re1 a5 22. a3 axb4 23. axb4 Ra6 24. Kd2 Rea8 25. g4 Ra1 26. Rxa1
Rxa1 27. g5 Nh5 28. Rf3 Ke7 29. Nb5 e5 30. Nd6 b6 31. Nc8+ Kd7 32. Nxb6+ Kc6
33. Rf5 Rb1 34. Kc3 Re1 35. Nc8 Kb7 36. Ne7 Nf4 37. Rf7 Ka6 38. c6 Re4 39. Kb3
Kb5 40. Rxf4 Rxf4 41. c7 Rxb4+ 42. Ka3 Ra4+ 43. Kb2 Ra8 44. Kc3 Kc5 45. c8=Q+
Rxc8 46. Nxc8 e4 47. Ne7 d4+ 48. Kd2 g6 49. Ng8 1-0

[Event "Scheveningen"]
[Site "Scheveningen"]
[Date "1913.08.15"]
[Round "7"]
[White "Geus, Klaas"]
[Black "Van Foreest, Arnold E"]
[Result "1-0"]
[ECO "C28"]
[PlyCount "73"]
[EventDate "1913.??.??"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 Na5 5. Bb3 Nxb3 6. axb3 d5 7. Bg5 Bb4 8.
exd5 Qxd5 9. Qf3 Be6 10. Bxf6 Qxf3 11. Nxf3 gxf6 12. Ra4 Bxc3+ 13. bxc3 Rg8 14.
Rg1 a6 15. Rh4 Rg7 16. Kd2 Ke7 17. g3 Rd8 18. Ke3 Bd5 19. Nd2 f5 20. f4 f6 21.
c4 Bc6 22. c3 Re8 23. d4 e4 24. c5 Rh8 25. c4 h5 26. d5 Be8 27. b4 Rg4 28. Rxg4
hxg4 29. Rg2 Bd7 30. Nb3 Kf7 31. Nd4 c6 32. Ra2 cxd5 33. cxd5 Ke7 34. Nb3 Kd8
35. Na5 Kc8 36. Nc4 Kc7 37. Kd4 1-0

[Event "Scheveningen"]
[Site "Scheveningen"]
[Date "1913.08.??"]
[Round "8"]
[White "Schelfhout, Willem"]
[Black "Geus, Klaas"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "61"]
[EventDate "1913.??.??"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Be7 5. Nf3 Nf6 6. Bd3 O-O 7. O-O Bg4 8.
h3 Bh5 9. g4 Bg6 10. Ne5 c6 11. Bg5 Qb6 12. Ne2 Re8 13. c3 Bxd3 14. Qxd3 Ne4
15. Bxe7 Rxe7 16. b4 f6 17. Nf3 Nd7 18. Kg2 Rae8 19. Ng3 g6 20. Rfe1 Qc7 21.
Nf1 f5 22. g5 h6 23. gxh6 Rh7 24. Ng5 Rxh6 25. Nxe4 dxe4 26. Qg3 f4 27. Qh2 Kg7
28. Ne3 Nf6 29. f3 exf3+ 30. Kxf3 Reh8 31. Nf5+ 0-1

[Event "Scheveningen"]
[Site "Scheveningen"]
[Date "1913.08.??"]
[Round "9"]
[White "Geus, Klaas"]
[Black "Breyer, Gyula"]
[Result "0-1"]
[ECO "C63"]
[PlyCount "60"]
[EventDate "1913.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 Bc5 5. d3 Nf6 6. Bg5 d6 7. Nd5 Be6 8. c3
fxe4 9. dxe4 Bxf2+ 10. Kxf2 Nxe4+ 11. Ke1 Nxg5 12. Nxg5 Qxg5 13. Nxc7+ Ke7 14.
Nxe6 Qxg2 15. Rf1 Kxe6 16. Qb3+ d5 17. Rd1 Qe4+ 18. Be2 Rhf8 19. Rg1 Ne7 20.
Qxb7 Rfb8 21. Qa6+ Rb6 22. Qa3 Qh4+ 23. Rg3 Qxh2 24. Bg4+ Nf5 25. Bxf5+ Kxf5
26. c4 Ke6 27. cxd5+ Kf7 28. Rd2 Qh1+ 29. Ke2 Rf6 30. Rd1 Qh2+ 0-1

[Event "Scheveningen"]
[Site "Scheveningen"]
[Date "1913.08.??"]
[Round "10"]
[White "Olland, Adolf Georg"]
[Black "Geus, Klaas"]
[Result "1-0"]
[ECO "C83"]
[PlyCount "69"]
[EventDate "1913.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5
Be6 9. c3 Be7 10. Be3 O-O 11. Qd3 Kh8 12. Rd1 Ng5 13. Nxg5 Bxg5 14. f4 Be7 15.
Nd2 Qd7 16. Ne4 Rad8 17. Nc5 Bxc5 18. Bxc5 Rfe8 19. a4 Ne7 20. axb5 axb5 21.
Bxe7 Rxe7 22. Bxd5 Qe8 23. Qf3 Red7 24. Bc6 Rxd1+ 25. Rxd1 Qe7 26. Rxd8+ Qxd8
27. Bxb5 g6 28. Qd3 Qb8 29. b4 Qa7+ 30. Qd4 Qa1+ 31. Kf2 Kg7 32. Bc4 Bf5 33.
e6+ f6 34. e7 Qb2+ 35. Be2 1-0

[Event "Scheveningen"]
[Site "Scheveningen"]
[Date "1913.08.??"]
[Round "11"]
[White "Geus, Klaas"]
[Black "Mieses, Jacques"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "96"]
[EventDate "1913.??.??"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 Bg4 5. f3 Bf5 6. Nc3 c6 7. dxc6 Nxc6 8.
Nge2 e5 9. d3 Bc5 10. Bg5 h6 11. Bxf6 Qxf6 12. Ne4 Bxe4 13. dxe4 Rd8 14. Bd5
Qh4+ 15. g3 Qg5 16. Qd3 O-O 17. h4 Qe7 18. c3 b5 19. Qc2 Rc8 20. Rd1 Bb6 21.
Nc1 b4 22. c4 Nd4 23. Qd3 Qf6 24. Rf1 Qg6 25. f4 exf4 26. Rxf4 Nc6 27. Rf5 Rce8
28. Ne2 Ne5 29. Qb3 Ng4 30. h5 Qh7 31. c5 Bxc5 32. Bxf7+ Kh8 33. Bxe8 Rxe8 34.
Qf7 Bf2+ 35. Rxf2 Qxe4 36. Qf3 Nxf2 37. Kxf2 Qc2 38. Qd3 Qxb2 39. Rd2 Qf6+ 40.
Nf4 Qb6+ 41. Kg2 a5 42. Qd7 Qe3 43. Re2 Qxe2+ 44. Nxe2 Rxe2+ 45. Kf3 Rxa2 46.
Ke4 Re2+ 47. Kd3 Re5 48. g4 Kg8 1/2-1/2

[Event "Scheveningen"]
[Site "Scheveningen"]
[Date "1913.08.??"]
[Round "12"]
[White "Loman, Rudolf"]
[Black "Geus, Klaas"]
[Result "1/2-1/2"]
[ECO "C26"]
[PlyCount "53"]
[EventDate "1913.??.??"]

1. e4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 Nge7 5. Nge2 d6 6. Na4 Bb6 7. Nxb6 axb6 8.
O-O d5 9. exd5 Nxd5 10. d4 exd4 11. Nxd4 O-O 12. Nxc6 bxc6 13. c4 Ne7 14. Qxd8
Rxd8 15. Bf4 Ra7 16. Rad1 Re8 17. Rfe1 Kf8 18. a3 Be6 19. Bg5 c5 20. Bxe7+ Kxe7
21. Bd5 Rd8 22. Kg2 c6 23. Bxe6 Rxd1 24. Rxd1 Kxe6 25. Kf3 b5 26. cxb5 cxb5 27.
Rd8 1/2-1/2

[Event "Scheveningen"]
[Site "Scheveningen"]
[Date "1913.08.??"]
[Round "13"]
[White "Geus, Klaas"]
[Black "Lasker, Edward"]
[Result "0-1"]
[ECO "C77"]
[PlyCount "70"]
[EventDate "1913.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 d6 6. c3 b5 7. Bc2 Be7 8. d4
O-O 9. a4 Bd7 10. O-O exd4 11. axb5 axb5 12. Rxa8 Qxa8 13. Nxd4 Nxd4 14. cxd4
Re8 15. f4 Qa7 16. Qd3 g6 17. Nd2 d5 18. e5 Bf5 19. Qxb5 Qxd4+ 20. Kh1 Bxc2 21.
exf6 Ba4 22. Qa6 Bxf6 23. b3 Bd7 24. Nf3 Qb6 25. Qa2 Bb5 26. Rd1 Be2 27. Re1
Bb5 28. Rd1 d4 29. Bb2 Be2 30. Re1 d3 31. Qa4 Re6 32. Qa8+ Kg7 33. Ba3 c5 34.
Rc1 Bxf3 35. Qxf3 Qxb3 0-1

[Event "Den Helder"]
[Site "?"]
[Date "1914.??.??"]
[Round "?"]
[White "Geus, Klaas"]
[Black "Olland, A."]
[Result "1-0"]
[ECO "B34"]
[PlyCount "121"]
[EventDate "1914.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nh6 7. Be2 f6 8.
O-O O-O 9. Qd2 Nf7 10. Rad1 d6 11. f4 f5 12. exf5 Bxf5 13. g4 Nxd4 14. Bxd4 e5
15. fxe5 dxe5 16. gxf5 exd4 17. fxg6 hxg6 18. Nb5 Qe7 19. Bc4 Rad8 20. Rf3 a6
21. Rdf1 axb5 22. Rxf7 Rxf7 23. Rxf7 Qc5 24. Rc7+ Qxc4 25. Rxc4 bxc4 26. Qg5
Rd6 27. Qb5 c3 28. bxc3 dxc3 29. Qxb7 Rd2 30. h3 Kh7 31. Qe4 Rd4 32. Qe1 Rd2
33. Qh4+ Kg8 34. Qa4 Kh7 35. Qb3 Bd4+ 36. Kh1 Kh6 37. Qf7 Kg5 38. Qe7+ Kf4 39.
Qh4+ Kf3 40. Qg4+ Kf2 41. a4 Ke1 42. a5 Rd1 43. Kg2 Rd2+ 44. Kh1 Rd1 45. Kg2
Rd2+ 46. Kf3 Kd1 47. Qxg6 Kc1 48. Qe4 Ba7 49. Qh7 Bd4 50. a6 Rxc2 51. a7 Ra2
52. Qd3 Bf6 53. Qf1+ Kb2 54. Qb5+ Ka1 55. Qb6 Rxa7 56. Qxf6 Ra3 57. Ke2 Kb1 58.
Qb6+ Kc1 59. Qb4 Ra2+ 60. Kd3 c2 61. h4 1-0

[Event "Mannheim"]
[Site "?"]
[Date "1914.??.??"]
[Round "?"]
[White "Geus, Klaas"]
[Black "Lange, Max"]
[Result "1-0"]
[ECO "B41"]
[PlyCount "63"]
[EventDate "1914.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nd2 Nc6 7. g3 e5 8. Nxc6
bxc6 9. c4 d5 10. cxd5 cxd5 11. exd5 Qxd5 12. f3 Bb7 13. Bc4 Qd7 14. O-O Be7
15. Qe2 O-O 16. Rad1 Qh3 17. Rfe1 Rfc8 18. Qf2 Bb4 19. Bf1 Qe6 20. a3 Be7 21.
b4 Qa2 22. Nc4 Qxf2+ 23. Kxf2 e4 24. Kg1 exf3 25. Nb6 Rc2 26. Nxa8 Ne4 27. Rd7
Bc6 28. Rxe7 g5 29. Rxe4 Bxe4 30. Nb6 f5 31. Bf2 Ra2 32. Bc4+ 1-0

[Event "Den Helder "]
[Site "?"]
[Date "1915.??.??"]
[Round "?"]
[White "Geus, Klaas"]
[Black "Feenstra Kuiper"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "69"]
[EventDate "1915.??.??"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. d4 Bg4 6. Be2 e6 7. Bd2 Nbd7 8.
h3 Bh5 9. O-O Bd6 10. Nb5 Qb6 11. c4 c5 12. dxc5 Bxc5 13. b4 Bxf3 14. Bxf3 Bd4
15. Nxd4 Qxd4 16. Bxb7 Rd8 17. Ba6 Qb6 18. Qa4 O-O 19. Be3 Qc7 20. Bb5 Nb6 21.
Qa5 Rc8 22. Rac1 Rfd8 23. Ba6 Rb8 24. g3 Nfd7 25. Rfd1 f6 26. Bf4 e5 27. Be3 g5
28. c5 Na8 29. Bc4+ Kg7 30. Qa4 Nf8 31. b5 Rxd1+ 32. Rxd1 Nd7 33. Qc2 Rc8 34.
Qf5 Nf8 35. Rd6 1-0

[Event "NED Cup"]
[Site "NED"]
[Date "1925.??.??"]
[Round "?"]
[White "Euwe, Max"]
[Black "Geus, Klaas"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "77"]
[EventDate "1925.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O d6 6. Nxd4 Bd7 7. Nc3 Be7 8.
b3 O-O 9. Bb2 Re8 10. Qd2 Ne5 11. Be2 c6 12. f4 Ng6 13. Rae1 Bf8 14. Bd3 Qb6
15. Na4 Qc7 16. Nf3 Be7 17. c4 b5 18. cxb5 cxb5 19. Nc3 a6 20. Kh1 Qb7 21. e5
dxe5 22. fxe5 b4 23. exf6 bxc3 24. Bxc3 gxf6 25. Nd4 Rad8 26. Be4 Qa7 27. Qb2
Ne5 28. Nf3 Bd6 29. Bxe5 fxe5 30. Ng5 f5 31. Bd5+ Kg7 32. Nf7 Qb8 33. Qf2 h6
34. Qh4 Rh8 35. Nxe5 Bxe5 36. Qe7+ Kg6 37. Bf7+ Kh7 38. Rxe5 Rhf8 39. Qf6 1-0

[Event "NED Cup"]
[Site "NED"]
[Date "1925.??.??"]
[Round "?"]
[White "Geus, Klaas"]
[Black "Euwe, Max"]
[Result "1-0"]
[ECO "B83"]
[PlyCount "79"]
[EventDate "1925.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e6 7. O-O Be7 8. b3
O-O 9. Bb2 a6 10. Kh1 Qb6 11. Na4 Qa7 12. Nxc6 bxc6 13. e5 dxe5 14. Bxe5 Rd8
15. Qe1 a5 16. Bf3 Ba6 17. c4 Bb4 18. Qc1 Nd7 19. Bb2 Rac8 20. a3 Bf8 21. Qg5
e5 22. Rad1 f6 23. Qf5 Qc7 24. Be4 g6 25. Qe6+ Kg7 26. f4 exf4 27. Rxd7+ Qxd7
28. Qxf6+ Kg8 29. Qh8+ Kf7 30. Rxf4+ Qf5 31. Rxf5+ gxf5 32. Qxh7+ Ke8 33. Qg6+
Kd7 34. Qxf5+ Kc7 35. Qxa5+ Kb8 36. Be5+ Bd6 37. Qb6+ Bb7 38. Nc5 Rc7 39. Bxd6
Rxd6 40. Na6+ 1-0

[Event "NED-ch07"]
[Site "Amsterdam"]
[Date "1929.07.??"]
[Round "1"]
[White "Geus, Klaas"]
[Black "Loman, Rudolf"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "42"]
[EventDate "1929.??.??"]

1. d4 d5 2. Bg5 Nf6 3. c3 h6 4. Bh4 Nbd7 5. Nd2 b6 6. e3 Bb7 7. Bd3 e6 8. Qe2
Be7 9. Bg3 Bd6 10. f4 c5 11. Ngf3 Ne4 12. Bxe4 dxe4 13. Ne5 Qe7 14. O-O-O O-O-O
15. Qc4 Kb8 16. Qa4 Rhg8 17. Nc6+ Bxc6 18. Qxc6 f5 19. Nc4 Bc7 20. d5 exd5 21.
Qxd5 Rgf8 1/2-1/2

[Event "NED-ch07"]
[Site "Amsterdam"]
[Date "1929.07.??"]
[Round "2"]
[White "Olland, Adolf Georg"]
[Black "Geus, Klaas"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "73"]
[EventDate "1929.??.??"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb4 5. a3 N4a6 6. Nf3 c5 7. d5 e6 8. Nc3
exd5 9. cxd5 Bd6 10. Qc2 Nc7 11. Bd3 h6 12. O-O O-O 13. Be3 Bg4 14. Nd2 b6 15.
Nc4 Ne8 16. f3 Bc8 17. Ne4 Ba6 18. Rad1 f5 19. Nexd6 Nxd6 20. b3 Qf6 21. Bc1
Nd7 22. Bb2 Qg6 23. Rfe1 Bxc4 24. bxc4 Rae8 25. Qc3 Nf6 26. Re6 Rxe6 27. dxe6
Nfe8 28. Qe5 Qf6 29. Qe2 Qe7 30. Bc2 Nc7 31. Qd3 Rd8 32. Be5 Nb7 33. Qxf5 Rxd1+
34. Bxd1 Qxe6 35. Bc2 Nd8 36. Qh7+ Kf8 37. Qxg7+ 1-0

[Event "NED-ch07"]
[Site "Amsterdam"]
[Date "1929.07.??"]
[Round "4"]
[White "Geus, Klaas"]
[Black "Van den Bosch, Johannes"]
[Result "0-1"]
[ECO "A52"]
[PlyCount "68"]
[EventDate "1929.??.??"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe5 5. f4 Nec6 6. Be3 g6 7. Nc3 Bg7 8.
Qd2 d6 9. Be2 Nd7 10. Rd1 O-O 11. Bf3 f5 12. Nge2 Nf6 13. O-O fxe4 14. Nxe4 Re8
15. Ng5 Qe7 16. Bd4 h6 17. Bxf6 Bxf6 18. Ne4 Bg7 19. Rfe1 Qf7 20. N4c3 Kh7 21.
Nd5 Be6 22. b4 a5 23. a3 axb4 24. axb4 Ra3 25. b5 Na5 26. Qb4 Ra2 27. Nec3 c5
28. bxc6 Nxc6 29. Qb1 Ra6 30. Nb5 Bxd5 31. cxd5 Ra1 32. dxc6 Rxb1 33. Rxb1
Rxe1+ 34. Rxe1 bxc6 0-1

[Event "Den Helder"]
[Site "?"]
[Date "1931.??.??"]
[Round "?"]
[White "Geus, Klaas"]
[Black "Kleinbloesem, G."]
[Result "1/2-1/2"]
[ECO "E00"]
[PlyCount "60"]
[EventDate "1931.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Be7 4. e4 O-O 5. Bd3 d6 6. Be3 c5 7. dxc5 dxc5 8. Qc2
Nc6 9. h3 Nb4 10. Qd2 Qxd3 11. Rc1 Qxd2+ 12. Kxd2 Rd8+ 13. Ke2 b6 14. Nf3 Bb7
15. Nd2 Nd7 16. f3 Ne5 17. Rhd1 Rd7 18. a3 Nbc6 19. f4 Ng6 20. Nf3 Rxd1 21.
Rxd1 Na5 22. b3 Nxb3 23. g4 Na5 24. f5 exf5 25. gxf5 Nf8 26. Nd5 Bd8 27. Rg1
Nxc4 28. Bh6 g6 29. fxg6 fxg6 30. Ng5 Bxg5 1/2-1/2

