[Event "Vlissingen HZ op 24th"]
[Site "Vlissingen"]
[Date "2022.08.11"]
[Round "7"]
[White "Riksen, John"]
[Black "Leentjens, Gilbert"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "2014"]
[BlackElo "1810"]
[PlyCount "120"]
[EventDate "2022.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d5 5. e3 0-0 6. h3 c5 7. Be2 cxd4 8. exd4 dxc4 9. Bxc4 Nc6 10. 0-0 b6 11. a3 Bb7 12. Be3 Rc8 13. Qe2 e6 14. Ba6 Bxa6 15. Qxa6 Nd5 16. Nxd5 Qxd5 17. Rac1 Rc7 18. Bf4 Rd7 19. Ne5 Nxe5 20. dxe5 Bxe5 21. Bxe5 Qxe5 22. b4 Kg7 23. Rfe1 Qf6 24. Re2 Rfd8 25. Rce1 Rd2 26. Rxd2 Rxd2 27. Rf1 Rd7 28. Qc8 Qd4 29. Qc1 Rd5 30. Re1 h5 31. Qc7 Rf5 32. Qc2 Rd5 33. Qc7 Rd7 34. Qc1 a6 35. Qc8 a5 36. bxa5 bxa5 37. Rb1 Qd3 38. Rb8 Qd1+ 39. Kh2 Qd6+ 40. g3 Kf6 41. Qh8+ Kf5 42. Rb5+ e5 43. Qa8 Qxa3 44. Rxa5 Qd3 45. Ra3 Rd8 46. Qa7 Rd7 47. Qc5 Qd5 48. Qc2+ Ke6 49. h4 Ke7 50. Qc1 Qd6 51. Ra5 f6 52. Ra2 Qe6 53. Qc5+ Qd6 54. Qe3 Qe6 55. Ra8 Qc6 56. Qa3+ Qd6 57. Qe3 Qd4 58. Qa3+ Qd6 59. Qa1 Qd4 60. Qa3+ Qd6 1/2-1/2

[Event "Vlissingen HZ op 24th"]
[Site "Vlissingen"]
[Date "2022.08.09"]
[Round "5"]
[White "Riksen, John"]
[Black "Van de Poel, Taco"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "2014"]
[BlackElo "1818"]
[PlyCount "164"]
[EventDate "2022.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d5 5. e3 0-0 6. Bd3 c5 7. 0-0 cxd4 8. exd4 Nc6 9. h3 Nb4 10. c5 Nxd3 11. Qxd3 Bf5 12. Qe2 Ne4 13. Nd1 b6 14. cxb6 axb6 15. Bf4 f6 16. Ne3 Bc8 17. Rfc1 Ra7 18. a3 Re8 19. Rxc8 Qxc8 20. Nxd5 Qf5 21. Qb5 Rea8 22. Bc7 Kf7 23. Bxb6 Nd6 24. Qb3 e6 25. Ne3 Qb5 26. Qxb5 Nxb5 27. Bxa7 Rxa7 28. Rc1 f5 29. Ne5+ Bxe5 30. dxe5 Ke7 31. Rc8 Kd7 32. Rc5 Nd4 33. Rc4 Nb3 34. Rb4 Nc5 35. Rd4+ Ke7 36. Nc4 Nb3 37. Rh4 h5 38. Ne3 Nc1 39. Rd4 Nb3 40. Rb4 Nc5 41. Rb8 Nd3 42. Rb5 Rc7 43. g3 g5 44. b3 Rc1+ 45. Nf1 f4 46. Rb7+ Kf8 47. gxf4 Nxf4 48. a4 Nxh3+ 49. Kh2 g4 50. Ne3 Nxf2 51. Kg3 Nd3 52. Nc4 Rh1 53. a5 Rh3+ 54. Kg2 Nf4+ 55. Kg1 g3 56. Ne3 Rh2 57. a6 Ra2 58. Rb4 Nh3+ 59. Kf1 Rxa6 60. Kg2 Ng5 61. Kxg3 Nf7 62. Nc4 Kg7 63. Kf4 Kg6 64. Rb8 Ra7 65. Rg8+ Kh7 66. Re8 Ra1 67. Re7 Kg8 68. Rb7 Rf1+ 69. Ke4 h4 70. Rd7 Ng5+ 71. Ke3 h3 72. Rd2 Rf3+ 73. Kd4 Rxb3 74. Rd1 Kg7 75. Ne3 Kg6 76. Rh1 Kh5 77. Nc4 Kh4 78. Nd2 Nf3+ 79. Nxf3+ Rxf3 80. Rd1 h2 81. Kc4 Kg3 82. Re1 Kh3 0-1

[Event "Vlissingen HZ op 24th"]
[Site "Vlissingen"]
[Date "2022.08.07"]
[Round "3"]
[White "Riksen, John"]
[Black "Arnold, Rhys"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "2014"]
[BlackElo "1777"]
[PlyCount "106"]
[EventDate "2022.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. e3 c6 4. Bd3 e6 5. Nbd2 Nbd7 6. 0-0 Bd6 7. Re1 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 h6 11. c4 Nf6 12. Bc2 c5 13. Be3 b6 14. dxc5 Bxc5 15. Bxc5 bxc5 16. Qe2 Bb7 17. Rad1 Bxf3 18. Qxf3 Qb6 19. b3 Rad8 20. Qe3 Rd4 21. Rxd4 cxd4 22. Qd3 Qa5 23. Ra1 e5 24. f3 Qa3 25. Re1 Re8 26. Bb1 Qb4 27. Re2 g6 28. Qd2 Qf8 29. b4 Kg7 30. a4 Rb8 31. c5 Nd5 32. Rxe5 Nxb4 33. c6 Nxc6 34. Rb5 a6 35. Rxb8 Qxb8 36. Be4 Qb4 37. Qd1 Nd8 38. h4 Ne6 39. h5 g5 40. Bc2 Nf4 41. g3 Nxh5 42. Kf2 Qc3 43. a5 Nf6 44. Qd3 Qxa5 45. Qxd4 Qa2 46. Qd1 Qd5 47. Qe2 a5 48. Bb1 Qe6 49. Qb2 Qh3 50. Qb8 Qh2+ 51. Kf1 a4 52. Be4 a3 53. Qe5 Qh1+ 0-1

[Event "Vlissingen HZ op 24th"]
[Site "Vlissingen"]
[Date "2022.08.07"]
[Round "2"]
[White "Van Delft, Merijn"]
[Black "Riksen, John"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "2380"]
[BlackElo "2014"]
[PlyCount "35"]
[EventDate "2022.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Qd3 Qe7 8. 0-0 a6 9. Re1 h6 10. b3 g5 11. Ba3 g4 12. Nxe5 Bb5 13. Nc4 Qd7 14. e5 dxe5 15. Rxe5+ Kd8 16. Bxf8 Rxf8 17. Qe3 Rh8 18. Qf4 1-0

[Event "Vlissingen HZ op 21st"]
[Site "Vlissingen"]
[Date "2017.08.11"]
[Round "8"]
[White "Tikranian, Alik"]
[Black "Riksen, John"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2280"]
[BlackElo "2044"]
[PlyCount "82"]
[EventDate "2017.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 c5 5. Nf3 cxd4 6. Nxd4 Nc6 7. Be3 Nf6 8. Be2 0-0 9. 0-0 Bd7 10. Rc1 Nxd4 11. Bxd4 Bc6 12. f4 e5 13. fxe5 dxe5 14. Bc5 Re8 15. Bd3 Qd7 16. Qe2 b6 17. Be3 Rad8 18. Nd5 Bxd5 19. cxd5 Qg4 20. Qe1 Rc8 21. a4 Rxc1 22. Bxc1 Rc8 23. Bd2 Qd7 24. b3 Ne8 25. Bb5 Qc7 26. Ba6 Rb8 27. Rf3 Bf8 28. b4 Qc2 29. Bc3 Bg7 30. Bd3 Qxa4 31. Qg3 Rc8 32. Bxe5 Bxe5 33. Qxe5 Qxb4 34. h4 h5 35. Qf4 Qd4+ 36. Kh2 f6 37. Rg3 Kf7 38. Qh6 Qe5 39. Qh7+ Kf8 40. Bb5 Nd6 41. Qxg6 Nxe4 1-0

[Event "Vlissingen HZ op 21st"]
[Site "Vlissingen"]
[Date "2017.08.09"]
[Round "6"]
[White "Riksen, John"]
[Black "Vedder, Richard"]
[Result "0-1"]
[ECO "A35"]
[WhiteElo "2044"]
[BlackElo "2255"]
[PlyCount "88"]
[EventDate "2017.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. e3 Nf6 7. Be2 0-0 8. 0-0 d6 9. b3 Bd7 10. Bb2 Qa5 11. h3 Rfc8 12. Bf3 Rab8 13. Nxc6 bxc6 14. Ne2 Qg5 15. Ng3 a5 16. Rb1 h5 17. Bxf6 Qxf6 18. Ne4 Qe5 19. Nd2 Qc5 20. Qc2 Qa3 21. Be4 a4 22. Bd3 axb3 23. Rxb3 Rxb3 24. axb3 Ra8 25. Rb1 Qb4 26. Nf3 Be8 27. h4 Ra3 28. Nd4 Qb6 29. Ne2 c5 30. Nf4 Qa5 31. b4 cxb4 32. Nd5 e6 33. Nf4 Ra2 34. Qd1 Ra1 35. Kh2 Rxb1 36. Qxb1 Be5 37. g3 Kg7 38. Ne2 Qa3 39. Nd4 Bxd4 40. exd4 Qc3 41. d5 e5 42. Qc2 Bd7 43. Qd1 b3 44. c5 Qxc5 0-1

[Event "Vlissingen HZ op 21st"]
[Site "Vlissingen"]
[Date "2017.08.07"]
[Round "4"]
[White "Riksen, John"]
[Black "Bollen, Guus"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2044"]
[BlackElo "2245"]
[PlyCount "64"]
[EventDate "2017.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 c5 5. c3 Nc6 6. 0-0 Bd6 7. Re1 0-0 8. Bg5 h6 9. Bf4 Bxf4 10. gxf4 Qb6 11. b3 Bd7 12. e3 Rfc8 13. Ne5 cxd4 14. exd4 Ne7 15. Qf3 Rc7 16. Nxd7 Nxd7 17. Bf1 Rac8 18. Bd3 g6 19. Qe3 Nf5 20. Bxf5 gxf5 21. Kh1 Kh7 22. Rg1 Qd6 23. Qg3 Qf8 24. Qh4 Qh8 25. a4 Rg8 26. Rxg8 Qxg8 27. Qe7 Qf8 28. Qh4 Rc8 29. Qh3 Qd6 30. Qh4 Rg8 31. h3 Qf8 32. Qh5 Qg7 0-1

[Event "Vlissingen HZ op 21st"]
[Site "Vlissingen"]
[Date "2017.08.06"]
[Round "2"]
[White "Amdouni, Zoubaier"]
[Black "Riksen, John"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "2299"]
[BlackElo "2044"]
[PlyCount "115"]
[EventDate "2017.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d6 9. h3 a6 10. 0-0 Bd7 11. f4 Nxd4 12. Bxd4 Bc6 13. Qe1 b5 14. Rd1 Qc7 15. e5 Ne8 16. Nd5 Bxd5 17. Bxd5 Rb8 18. Bb3 Rc8 19. Qe3 e6 20. Rd3 dxe5 21. fxe5 Qb8 22. Bc5 Rxc5 23. Qxc5 Qxe5 24. Qa7 Nd6 25. Qc7 Nf5 26. Qxe5 Bxe5 27. c3 h5 28. Rd7 h4 29. Ra7 Bd6 30. Rxf5 gxf5 31. Rxa6 Rd8 32. Kf2 Bg3+ 33. Ke2 Bf4 34. Rb6 Bc1 35. Rxb5 Rd2+ 36. Kf1 Bxb2 37. Rc5 Rd3 38. Bc2 Rd2 39. Ba4 Rd3 40. Bb5 Re3 41. Kf2 f4 42. Rc4 e5 43. Rb4 Bxc3 44. Rb3 Rg3 45. Bc6 Bd4+ 46. Ke2 Rg6 47. Bd5 Rd6 48. Rb5 Kg7 49. a4 Ra6 50. Bb3 f5 51. Kd3 Kf6 52. a5 Bf2 53. Bd5 e4+ 54. Ke2 Bd4 55. Bb7 Rd6 56. Rd5 Rxd5 57. Bxd5 Ke5 58. Bb7 1/2-1/2

[Event "Vlissingen HZ op 21st"]
[Site "Vlissingen"]
[Date "2017.08.06"]
[Round "3"]
[White "Riksen, John"]
[Black "Hummel, Erik Jan"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2044"]
[BlackElo "2264"]
[PlyCount "158"]
[EventDate "2017.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. g3 cxd4 4. Nxd4 d5 5. Bg2 e5 6. Nf3 Nc6 7. 0-0 Be7 8. a3 a5 9. Nc3 0-0 10. a4 Bf5 11. Nh4 Be6 12. Nf3 h6 13. Nb5 Rc8 14. c3 Qd7 15. Be3 Ra8 16. Qc2 Ng4 17. Bd2 f5 18. Rad1 g5 19. h3 Nf6 20. Bxg5 e4 21. Bxh6 exf3 22. exf3 Rf7 23. Rfe1 Bc5 24. Qc1 Kh8 25. Be3 Bf8 26. Nd4 Re8 27. Bg5 Nh7 28. f4 Nxd4 29. Rxd4 Bg7 30. Rd2 Rff8 31. Qd1 d4 32. h4 Qf7 33. cxd4 Bb3 34. Qb1 Ba2 35. Qd1 Bd5 36. Rxe8 Rxe8 37. Re2 Bxg2 38. Rxe8+ Qxe8 39. Kxg2 Qe4+ 40. f3 Qxd4 41. Qxd4 Bxd4 42. b3 Nf6 43. Kf1 Kg7 44. Ke2 Bc3 45. g4 fxg4 46. fxg4 Nxg4 47. Kd3 Be1 48. Kc4 Ne3+ 49. Kb5 Nf5 50. h5 Nd4+ 51. Kc4 Ne6 52. Kb5 Bd2 53. Kb6 Kf7 54. Kb5 Ke8 55. Kb6 Kf8 56. Kb5 Kf7 57. Kb6 Kg8 58. Kb5 Nd8 59. Kc4 Nc6 60. Kd3 Bc1 61. Kc2 Ba3 62. Kd3 Kf7 63. Kc4 Bc1 64. Kb5 Be3 65. Kc4 Ke8 66. Kd3 Bc1 67. Kc2 Ba3 68. Kd3 Kf7 69. Kc4 Ke6 70. Kb5 Bb4 71. Kb6 Nd4 72. Kxb7 Nxb3 73. Kb6 Kf5 74. Kb5 Nd4+ 75. Kc4 Ne6 76. h6 Nxg5 77. fxg5 Kg6 78. Kb5 Bd2 79. Ka6 Bxg5 1/2-1/2

[Event "Vlissingen HZ op 20th"]
[Site "Vlissingen"]
[Date "2016.08.13"]
[Round "9"]
[White "Eisenbeiser, Amadeus"]
[Black "Riksen, John"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2416"]
[BlackElo "2082"]
[PlyCount "61"]
[EventDate "2016.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c4 e5 4. Nc3 d6 5. a3 Nf6 6. d3 h6 7. Rb1 Be7 8. b4 b6 9. Be2 0-0 10. 0-0 Re8 11. Bd2 Bf8 12. h3 Bd7 13. Rb2 Kh7 14. Qb1 g6 15. Bd1 Bg7 16. Ba4 Nd4 17. Qd1 Kg8 18. Bxd7 Nxf3+ 19. Qxf3 Qxd7 20. Bxh6 Bxh6 21. Qxf6 Bg7 22. Qg5 Re6 23. Nd5 Rf8 24. b5 Kh7 25. Qh4+ Kg8 26. a4 f6 27. a5 bxa5 28. Ra1 Kf7 29. Rxa5 Qb7 30. Rba2 Ra8 31. Ra6 1-0

[Event "Vlissingen HZ op 20th"]
[Site "Vlissingen"]
[Date "2016.08.07"]
[Round "2"]
[White "Riksen, John"]
[Black "Bosboom, Manuel"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "2082"]
[BlackElo "2400"]
[PlyCount "46"]
[EventDate "2016.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Nf3 a6 7. Be3 Nbd7 8. Be2 c5 9. 0-0 cxd4 10. Bxd4 b6 11. e5 Ne8 12. exd6 Nxd6 13. Bxg7 Kxg7 14. Qd4+ Kg8 15. b3 Bb7 16. Rad1 Rc8 17. Nd5 Bxd5 18. Qxd5 Nf6 19. Qd4 Qc7 20. Rfe1 Nf5 21. Qe5 Qxe5 22. Nxe5 Rfd8 23. Bf3 a5 1/2-1/2

[Event "Vlissingen HZ op 20th"]
[Site "Vlissingen"]
[Date "2016.08.07"]
[Round "3"]
[White "Van Foreest, Lucas"]
[Black "Riksen, John"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2393"]
[BlackElo "2082"]
[PlyCount "91"]
[EventDate "2016.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nc6 6. Nxc6 bxc6 7. Nc3 Qc7 8. Bd3 Nf6 9. 0-0 h5 10. h3 Be7 11. Qe2 e5 12. Bc2 d6 13. Bg5 Be6 14. Rac1 Qb7 15. Bb3 c5 16. Rfd1 Rd8 17. Qe3 Kf8 18. Rd2 Ne8 19. Rcd1 f6 20. Bh4 g5 21. Bg3 h4 22. Bh2 Rb8 23. Nd5 Bxd5 24. exd5 Qd7 25. Qc3 Rg8 26. f3 Bd8 27. Kh1 Ng7 28. Qc2 Qf5 29. Qe4 Qxe4 30. fxe4 Nh5 31. Ba4 Ke7 32. Rb1 Rb4 33. b3 Ba5 34. Rc2 Rgb8 35. Bb5 axb5 36. a3 bxc4 37. axb4 Bxb4 38. bxc4 Ra8 39. Rcc1 Ra3 40. Ra1 Re3 41. Ra7+ Ke8 42. Rca1 Re1+ 43. Rxe1 Bxe1 44. Rh7 Ng3+ 45. Bxg3 hxg3 46. Kg1 1-0

[Event "Vlissingen HZ op 19th"]
[Site "Vlissingen"]
[Date "2015.08.08"]
[Round "9"]
[White "Riksen, John"]
[Black "Buckels, Valentin"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1983"]
[BlackElo "2152"]
[PlyCount "69"]
[EventDate "2015.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. a3 Bxd2+ 6. Nbxd2 d6 7. Qc2 e5 8. dxe5 dxe5 9. e4 0-0 10. Qc3 Nbd7 11. Bd3 b6 12. Bc2 Bb7 13. 0-0 Rfe8 14. Rfe1 Nf8 15. Ba4 c6 16. Nf1 Ng6 17. Ng3 Red8 18. Nf5 Qe6 19. Ng5 Qe8 20. c5 h6 21. Nf3 bxc5 22. Qxc5 Qe6 23. Rac1 Rd7 24. Rc3 Nxe4 25. Nxh6+ gxh6 26. Rxe4 Rad8 27. h3 Qf5 28. Bc2 Qf6 29. Nxe5 Rd5 30. Ng4 Qg5 31. Qe3 Kg7 32. Qxg5 hxg5 33. Rb4 R8d7 34. Be4 c5 35. Rxb7 1-0

[Event "Vlissingen HZ op 19th"]
[Site "Vlissingen"]
[Date "2015.08.07"]
[Round "8"]
[White "Stark, Lars"]
[Black "Riksen, John"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2437"]
[BlackElo "1983"]
[PlyCount "55"]
[EventDate "2015.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. a3 Nf6 6. Nh3 0-0 7. Nf4 d6 8. 0-0 Rb8 9. Rb1 Bf5 10. d3 Bd7 11. b4 b6 12. b5 Na5 13. Bd2 Bc8 14. a4 Bb7 15. e4 Nd7 16. Qc2 Re8 17. Rfe1 Nf8 18. Ncd5 e6 19. Nc3 Bc8 20. Nfe2 e5 21. Nd5 Ne6 22. f4 exf4 23. Ndxf4 Nd4 24. Nxd4 Bxd4+ 25. Kh1 Be6 26. Bc3 Bxc3 27. Qxc3 Qg5 28. e5 1-0

[Event "Vlissingen HZ op 19th"]
[Site "Vlissingen"]
[Date "2015.08.06"]
[Round "7"]
[White "Riksen, John"]
[Black "Gijsen, Stief"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "1983"]
[BlackElo "2203"]
[PlyCount "59"]
[EventDate "2015.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. 0-0 0-0 7. Nc3 dxc4 8. e4 b5 9. a3 Bb7 10. e5 Nd5 11. Ng5 Qb6 12. h4 Na6 13. h5 Nac7 14. hxg6 fxg6 15. Nce4 Rad8 16. Qg4 Bc8 17. Qh4 h6 18. Nf3 g5 19. Bxg5 hxg5 20. Nfxg5 Bf5 21. Nc5 Nf6 22. exf6 Rxf6 23. Rad1 Nd5 24. Qh5 Qc7 25. Bh3 Qc8 26. Nce6 Bxe6 27. Bxe6+ Rxe6 28. Qf7+ Kh8 29. Qxe6 Bf6 30. Kg2 1-0

[Event "Vlissingen HZ op 19th"]
[Site "Vlissingen"]
[Date "2015.08.05"]
[Round "6"]
[White "Nicolai, Erik"]
[Black "Riksen, John"]
[Result "0-1"]
[ECO "A39"]
[WhiteElo "2168"]
[BlackElo "1983"]
[PlyCount "110"]
[EventDate "2015.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. g3 c5 2. Bg2 Nc6 3. c4 g6 4. Nf3 Bg7 5. 0-0 Nf6 6. d4 cxd4 7. Nxd4 0-0 8. Nc3 Nxd4 9. Qxd4 d6 10. Qh4 Re8 11. Bg5 Rb8 12. Rfd1 Qb6 13. b3 Ng4 14. Nd5 Qxf2+ 15. Kh1 Bxa1 16. Bf3 f6 17. Bd2 Qxh2+ 18. Qxh2 Nxh2 19. Kxh2 Be5 20. Be3 b6 21. Nc7 Rd8 22. Nd5 Kf7 23. Nb4 Bb7 24. Nc6 Bxc6 25. Bxc6 g5 26. a4 h5 27. Kh3 Rh8 28. Bf2 f5 29. e3 g4+ 30. Kg2 h4 31. Rf1 hxg3 32. Bxg3 Bxg3 33. Kxg3 Rh3+ 34. Kg2 Rxe3 35. Rxf5+ Kg6 36. Rf4 Kg5 37. Rf7 Re2+ 38. Kf1 Re5 39. Kg2 Re3 40. Bd7 Rg8 41. b4 g3 42. c5 dxc5 43. bxc5 bxc5 44. Rf5+ Kg6 45. Rxc5 Rh8 46. Bf5+ Kf6 47. Bh3 Ra3 48. Rc6+ Kf7 49. Rc2 Rxa4 50. Rc3 Rg8 51. Rf3+ Kg6 52. Kxg3 e5 53. Be6 Rg7 54. Bd5 a5 55. Kf2 Rf4 0-1

[Event "Vlissingen HZ op 19th"]
[Site "Vlissingen"]
[Date "2015.08.03"]
[Round "4"]
[White "Grochal, Joey"]
[Black "Riksen, John"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2187"]
[BlackElo "1983"]
[PlyCount "81"]
[EventDate "2015.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 c6 5. cxd5 exd5 6. Qc2 Nd7 7. Bg5 Ngf6 8. e3 h6 9. Bh4 0-0 10. Bd3 Re8 11. 0-0 Be7 12. Rab1 Ne4 13. Bxe7 Qxe7 14. b4 a6 15. a4 Nb6 16. Bxe4 dxe4 17. Nd2 f5 18. b5 cxb5 19. axb5 a5 20. Na4 Nxa4 21. Qxa4 Be6 22. Rfc1 Rec8 23. Rxc8+ Rxc8 24. Qxa5 Rc2 25. b6 Qd7 26. Nf1 Bc4 27. Ng3 g6 28. Qe5 Kf7 29. Qh8 Qb5 30. Rd1 Rd2 31. Re1 Qxb6 32. Qh7+ Ke8 33. Qxh6 Rb2 34. h4 Rb1 35. Rxb1 Qxb1+ 36. Kh2 Bf7 37. Qh8+ Kd7 38. Qg7 Ke8 39. Qe5+ Kf8 40. h5 gxh5 41. Nxf5 1-0

[Event "Vlissingen HZ op 19th"]
[Site "Vlissingen"]
[Date "2015.08.02"]
[Round "2"]
[White "Donovan, Linton"]
[Black "Riksen, John"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2276"]
[BlackElo "1983"]
[PlyCount "101"]
[EventDate "2015.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Be7 9. Qd2 0-0 10. 0-0-0 Qc7 11. g4 Nbd7 12. g5 Nh5 13. Nd5 Bxd5 14. exd5 a5 15. Kb1 a4 16. Nc1 a3 17. b3 g6 18. Ne2 Nc5 19. Nc3 f5 20. Nb5 Qc8 21. Qb4 Na6 22. Qa5 Qd7 23. Nxa3 f4 24. Bc1 Bxg5 25. Bb5 Qd8 26. Nc4 Qxa5 27. Nxa5 Nc5 28. Nc4 Rad8 29. a4 e4 30. b4 Na6 31. fxe4 Be7 32. c3 Nf6 33. e5 Ne4 34. Bxa6 bxa6 35. Kc2 Nf2 36. exd6 Bxd6 37. Nxd6 Nxh1 38. Rxh1 Rxd6 39. c4 f3 40. Be3 Re8 41. Kd3 Rd7 42. Rf1 Rb7 43. b5 axb5 44. axb5 Rf8 45. b6 Rf5 46. d6 Kf7 47. c5 Rd7 48. Ke4 Ke6 49. c6 Rxd6 50. b7 Rb5 51. c7 1-0

[Event "NED open-ch 11"]
[Site "Dieren"]
[Date "1980.08.06"]
[Round "7"]
[White "Riksen, John"]
[Black "Havenaar, Jan"]
[Result "1/2-1/2"]
[ECO "A02"]
[PlyCount "20"]
[EventDate "1980.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. b3 c5 2. Bb2 Nc6 3. f4 e5 4. fxe5 d6 5. exd6 Bxd6 6. Nf3 Bg4 7. e4 Ne5 8. Bb5+ Kf8 9. 0-0 Nxf3+ 10. gxf3 Bxh2+ 1/2-1/2

[Event "NED Open-ch09 Reinbouw"]
[Site "Velp"]
[Date "1978.08.??"]
[Round "1"]
[White "Weijerstrass, Ronald"]
[Black "Riksen, John"]
[Result "1/2-1/2"]
[ECO "A36"]
[PlyCount "83"]
[EventDate "1978.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Nge2 c5 7. 0-0 Nc6 8. Rb1 Bg4 9. f3 Bd7 10. a3 Qc8 11. d3 Rb8 12. Be3 a5 13. Qd2 b6 14. b3 h5 15. Rfc1 Kh7 16. d4 e5 17. dxe5 dxe5 18. Nd5 Nd4 19. b4 Nxd5 20. cxd5 Qa6 21. Bxd4 cxd4 22. Bf1 Qa7 23. f4 Bh6 24. Qd1 Rfe8 25. Qd3 f6 26. b5 Rbc8 27. a4 Qb8 28. Bg2 Rxc1+ 29. Rxc1 Rc8 30. Rxc8 Qxc8 31. Bf3 Qc5 32. Kg2 Bf8 33. Qd1 Qa3 34. Nc1 Bd6 35. Nd3 Kg7 36. fxe5 Qa2+ 37. Qe2 Qxe2+ 38. Bxe2 fxe5 39. Kf2 Kf6 40. Bf1 Bg4 41. Be2 Bd7 42. Kg2 1/2-1/2

[Event "NED Open-ch08 Reinbouw"]
[Site "Velp"]
[Date "1977.08.06"]
[Round "9"]
[White "Gelpke, Peter"]
[Black "Riksen, John"]
[Result "0-1"]
[ECO "E12"]
[PlyCount "112"]
[EventDate "1977.07.28"]
[EventType "swiss"]
[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. Nf3 b6 4. a3 Bb7 5. Nc3 Be7 6. d5 d6 7. e4 e5 8. Be2 Nbd7 9. 0-0 Nf8 10. b4 Ng6 11. Rb1 Bc8 12. Nd2 Nf4 13. Nb3 g5 14. c5 Kf8 15. c6 Rg8 16. a4 a6 17. a5 b5 18. Re1 Nxe2+ 19. Qxe2 Bg4 20. Qf1 Nh5 21. Nxb5 axb5 22. Qxb5 Bc8 23. Qc4 Nf4 24. b5 f5 25. Be3 Kf7 26. Qc2 Qf8 27. b6 Ba6 28. b7 Rb8 29. Rbd1 Qh6 30. exf5 Qh5 31. Nc1 Qg4 32. f3 Qh5 33. Qe4 Bf6 34. Kh1 Rbe8 35. Na2 g4 36. Bxf4 gxf3 37. Qxf3 Qxf3 38. gxf3 exf4 39. Rxe8 Rxe8 40. Nb4 Be2 41. Rd2 Bxf3+ 42. Kg1 Bc3 43. Rd3 Bxb4 44. Rxf3 Bc5+ 45. Kf1 Ba7 46. Rb3 Kf6 47. Rb6 f3 48. Ra6 Bd4 49. Ra8 Re2 50. Rf8+ Kg5 51. b8Q Rxh2 52. Ke1 f2+ 53. Ke2 Rh1 54. Rg8+ Kf4 55. Rg4+ Kxg4 56. Qg8+ Kf4 0-1

[Event "Amsterdam AMRO"]
[Site "Amsterdam"]
[Date "1970.??.??"]
[Round "?"]
[White "Van der Weide, Piet"]
[Black "Riksen, John"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "133"]
[EventDate "1970.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 Nc6 7. Be3 e5 8. fxe5 dxe5 9. d5 Ne7 10. Qe2 c6 11. dxc6 Nxc6 12. 0-0 Bg4 13. Qf2 Nd4 14. a4 Nh5 15. Nd5 f5 16. Qd2 f4 17. Bxd4 exd4 18. Qb4 Rb8 19. a5 Kh8 20. Ra4 Bd7 21. Ra3 Be6 22. Bc4 g5 23. Ba2 g4 24. Nxd4 Bxd5 25. Bxd5 f3 26. g3 Nxg3 27. hxg3 Qc7 28. Kf2 Be5 29. Rg1 Qg7 30. Ke3 Qh6+ 31. Kd3 Qh2 32. Raa1 f2 33. Rh1 Qxg3+ 34. Kc4 b5+ 35. axb6 Rfc8+ 36. Nc6 Rb7 37. Rxa7 Rxa7 38. bxa7 Qf3 39. Qe7 f1Q+ 40. Rxf1 Qxf1+ 41. Kc5 Bg7 42. Kb6 g3 43. Kb7 Rf8 44. c4 g2 45. Nd8 g1Q 46. a8Q h6 47. Nf7+ Kh7 48. Qaxf8 Bxf8 49. Ng5+ Kg6 50. Bf7+ Kg7 51. Ne6+ Kh8 52. Qxf8+ Kh7 53. Qe7 Qff2 54. c5 Qxb2+ 55. Kc8 Qbf2 56. c6 Qff1 57. Nf8+ Kh8 58. Ng6+ Kh7 59. Nf8+ Kh8 60. Ng6+ Kh7 61. Bc4+ Kxg6 62. Bxf1 Qxf1 63. c7 Qa6+ 64. Kd8 Qb6 65. Ke8 Qc6+ 66. Kf8 Qc3 67. Qe6+ 1-0

[Event "Amsterdam AMRO op"]
[Site "Amsterdam"]
[Date "1969.??.??"]
[Round "?"]
[White "Zuidema, Coen"]
[Black "Riksen, John"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "79"]
[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 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Nf3 0-0 6. Bd3 Nc6 7. e5 dxe5 8. fxe5 Nd5 9. Nxd5 Qxd5 10. c3 Bg4 11. 0-0 Rad8 12. h3 Bxf3 13. Qxf3 Qxf3 14. Rxf3 e6 15. Be4 Rd7 16. b3 Rc8 17. Ba3 Nd8 18. Raf1 b6 19. b4 c6 20. Bb2 c5 21. b5 Nb7 22. Bc6 Rdc7 23. d5 Bxe5 24. Re1 f6 25. dxe6 Re7 26. Bd5 Nd6 27. Rxe5 fxe5 28. c4 Rf8 29. Bxe5 Nc8 30. Bf6 Rxf6 31. Rxf6 Kg7 32. Rf3 Nd6 33. Kf2 Nf5 34. Rf4 h5 35. g4 hxg4 36. hxg4 Nd6 37. Ke3 g5 38. Rf3 Kg6 39. Rf8 Ne8 40. Rf7 1-0

[Event "NED-ch U18"]
[Site "Delft"]
[Date "1966.??.??"]
[Round "4"]
[White "Timman, Jan H"]
[Black "Riksen, John"]
[Result "1-0"]
[ECO "D36"]
[PlyCount "107"]
[EventDate "1966.??.??"]
[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 Nf6 4. Bg5 c6 5. e3 Nbd7 6. cxd5 exd5 7. Bd3 Bd6 8. Qc2 h6 9. Bh4 0-0 10. Nf3 Re8 11. 0-0 g5 12. Bg3 Nf8 13. Rab1 Nh5 14. Bxd6 Qxd6 15. b4 Ng7 16. Na4 f5 17. b5 cxb5 18. Rxb5 Nfe6 19. Ne5 Re7 20. Nc3 Nc7 21. Nxd5 Nxb5 22. Nxe7+ Qxe7 23. Bxb5 Be6 24. Bc4 Bxc4 25. Qxc4+ Qe6 26. Rc1 Qxc4 27. Rxc4 Ne8 28. f3 a5 29. Rc5 Nd6 30. a4 Kg7 31. Nc4 Nxc4 32. Rxc4 b5 33. axb5 Rb8 34. Rc5 a4 35. Rc4 a3 36. Ra4 Rxb5 37. Rxa3 Rb2 38. Rd3 Kf6 39. h3 h5 40. d5 Rb7 41. d6 Rd7 42. Kf2 Ke5 43. g3 Ke6 44. Ke2 Kf6 45. e4 g4 46. hxg4 hxg4 47. exf5 Kxf5 48. f4 Kf6 49. Ke3 Kf7 50. Ke4 Ke8 51. f5 Ra7 52. Rd4 Rg7 53. f6 Rg8 54. Kf5 1-0

