[Event "NED-chT 2324"]
[Site "Netherlands"]
[Date "2023.09.16"]
[Round "1.8"]
[White "Elgersma, Simon"]
[Black "Kuling, Lody"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2248"]
[BlackElo "2226"]
[PlyCount "71"]
[EventDate "2023.09.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Groningen Combinatie"]
[BlackTeam "Amstelveen Zukertort"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. h4 Nc6 8. Rg1 d5 9. g5 hxg5 10. hxg5 Nxe4 11. Nxe4 dxe4 12. Nxc6 Qxd1+ 13. Kxd1 bxc6 14. Be3 e5 15. Bc4 Bg4+ 16. Kd2 Bf3 17. a3 Bd6 18. b4 Ke7 19. Kc3 Rhb8 20. Ba6 Ke8 21. Rab1 Bc7 22. a4 Bb6 23. Bc5 Kd7 24. Bc4 Bxc5 25. bxc5 Bh5 26. Ba6 Kc7 27. Rbe1 Bg6 28. Rd1 Rd8 29. Rb1 Rab8 30. a5 Rxb1 31. Rxb1 Rb8 32. Rh1 Bf5 33. Bc4 Kd7 34. Bxf7 Rb5 35. Bc4 Rxa5 36. Kb4 1-0

[Event "NED-chT 2223"]
[Site "Netherlands"]
[Date "2023.03.11"]
[Round "7.10"]
[White "Van Gisbergen, Stan"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "D61"]
[WhiteElo "2280"]
[BlackElo "2256"]
[PlyCount "47"]
[EventDate "2022.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Amstelveen Zukertort"]
[BlackTeam "Groningen Combinatie"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. e3 c6 7. Qc2 Re8 8. 0-0-0 Nbd7 9. h4 a5 10. e4 dxc4 11. Bxc4 b5 12. Bd3 h6 13. e5 Nd5 14. Bxe7 Rxe7 15. Ne4 Nb4 16. Qd2 Nxd3+ 17. Qxd3 Nf8 18. Rh3 Qd5 19. Kb1 Kh8 20. Rg3 b4 21. Qe3 Ba6 22. Nf6 Qc4 23. Qxh6+ gxh6 24. Rg8# 1-0

[Event "Dortmund Sparkassen op 49th"]
[Site "Dortmund"]
[Date "2022.07.17"]
[Round "2"]
[White "Pajeken, Jakob Leon"]
[Black "Elgersma, Simon"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2434"]
[BlackElo "2195"]
[PlyCount "175"]
[EventDate "2022.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 a6 6. 0-0 Nc6 7. e3 Rb8 8. Nfd2 e5 9. Bxc6+ bxc6 10. dxe5 Ng4 11. Nxc4 Be6 12. Nbd2 Bb4 13. b3 h5 14. h3 Bc3 15. Ba3 Nxe5 16. Rc1 Bxc4 17. Nxc4 Qxd1 18. Rfxd1 Nxc4 19. bxc4 Bb4 20. Rb1 a5 21. Bb2 0-0 22. Be5 Bd6 23. Bxd6 cxd6 24. Rxb8 Rxb8 25. Rxd6 Rb2 26. a3 Ra2 27. Rxc6 Rxa3 28. Kg2 Kf8 29. Rc7 a4 30. Ra7 Ra1 31. Kf3 a3 32. Kf4 Rc1 33. Ra8+ Ke7 34. Rxa3 Rxc4+ 35. e4 Rc2 36. Ra7+ Ke6 37. Ra6+ Ke7 38. f3 Rh2 39. Ra7+ Ke6 40. h4 Rb2 41. Ra6+ Ke7 42. Ra7+ Ke6 43. Ra6+ Ke7 44. Ra5 g6 45. Ke5 Rb7 46. Rc5 Rd7 47. Kf4 Rd3 48. Re5+ Kf6 49. Re8 Ra3 50. e5+ Kg7 51. Rd8 Rb3 52. Rd7 Kf8 53. Ra7 Rc3 54. Rb7 Ra3 55. Rc7 Rb3 56. Rd7 Ra3 57. Rb7 Rc3 58. Ra7 Rb3 59. g4 hxg4 60. Kxg4 Rc3 61. Rb7 Ra3 62. Rb6 Kg7 63. Rf6 Ra5 64. Kf4 Ra4+ 65. Kg5 Ra5 66. f4 Ra1 67. Kg4 Rg1+ 68. Kf3 Rh1 69. Kg3 Rg1+ 70. Kh2 Rg4 71. Kh3 Rg1 72. Ra6 Rh1+ 73. Kg3 Rg1+ 74. Kf3 Rf1+ 75. Ke4 Re1+ 76. Kd5 Rd1+ 77. Kc5 Kf8 78. Ra8+ Ke7 79. Ra7+ Kf8 80. h5 gxh5 81. f5 h4 82. f6 Ke8 83. Kc6 Rc1+ 84. Kd5 h3 85. Ra8+ Kd7 86. Ra7+ Ke8 87. Ra8+ Kd7 88. Ra7+ 1/2-1/2

[Event "Oberliga Nord W 2122"]
[Site "Germany"]
[Date "2021.11.21"]
[Round "3.5"]
[White "Voege, Tobias"]
[Black "Elgersma, Simon"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "2286"]
[BlackElo "2197"]
[PlyCount "80"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Lister Turm"]
[BlackTeam "Nordhorn Blanke"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 h6 6. Bf4 Nf6 7. e3 Bd6 8. Bg3 0-0 9. Bd3 Re8 10. Qc2 b6 11. Ne5 Bb7 12. 0-0 Nbd7 13. f4 c5 14. Bh4 Be7 15. Rf3 Nf8 16. g4 cxd4 17. exd4 Ne4 18. Bxe7 Rxe7 19. Bf1 Ne6 20. Ne2 Rc7 21. Qd1 Rac8 22. f5 N6g5 23. Rb3 Rc2 24. Rc1 Rxc1 25. Nxc1 Nd6 26. Rc3 Rxc3 27. bxc3 Nge4 28. Qe1 Qg5 29. Ncd3 Nxf5 30. Nf2 Nh4 31. Nxe4 dxe4 32. Bc4 e3 33. Bxf7+ Kh7 34. Qb1+ g6 35. Qxb6 Nf3+ 36. Kg2 Nxe5+ 37. Qxb7 Qxg4+ 38. Kh1 Qd1+ 39. Kg2 Qe2+ 40. Kg3 Qg4# 0-1

[Event "Oberliga Nord W 2122"]
[Site "Germany"]
[Date "2021.10.10"]
[Round "1.2"]
[White "Elgersma, Simon"]
[Black "Lehmann, Holger"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "2195"]
[BlackElo "2141"]
[PlyCount "157"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Nordhorn Blanke"]
[BlackTeam "Hellern"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. Be2 Bb7 9. f3 d6 10. Be3 Nbd7 11. 0-0 Be7 12. Rc1 0-0 13. b4 Rac8 14. Nb3 Qb8 15. Qd2 Rfe8 16. Rfd1 Bd8 17. Kh1 Bc7 18. Bf4 d5 19. Bxc7 Rxc7 20. cxd5 exd5 21. exd5 Nxd5 22. Nxd5 Bxd5 23. Qxd5 Rxe2 24. Nd4 Rd2 25. Kg1 Rxc1 26. Rxc1 Nf8 27. Qe4 g6 28. Qe3 Ra2 29. Nc6 Qd6 30. Ne7+ Kg7 31. Nc8 Qf6 32. Nxb6 Qb2 33. Qc3+ Qxc3 34. Rxc3 Ne6 35. Nd5 Nd4 36. Rd3 Nb5 37. Kf1 Nxa3 38. Nc7 Nb5 39. Nxb5 axb5 40. Rd5 h5 41. h4 Rb2 42. Rxb5 Kf6 43. Rb6+ Kg7 44. Rb7 Kf6 45. Kg1 Ke6 46. Kh2 Kf6 47. Kg3 Ke6 48. b5 Kf6 49. Kh2 Ke6 50. Kh3 Rb3 51. Kg3 Rb2 52. b6 Kf6 53. Rb8 Kf5 54. Kh3 Rb3 55. Rb7 Kf6 56. Kg3 Rb2 57. Kh2 Ke6 58. Kg1 Kf6 59. Kf1 Ke6 60. g4 hxg4 61. fxg4 Rb4 62. Rb8 Kf6 63. h5 gxh5 64. gxh5 Kg7 65. Ke2 Rb5 66. Kd3 Rxh5 67. Kc4 Rh1 68. Rd8 Rb1 69. Kc5 Kg6 70. Rd4 Rc1+ 71. Rc4 Rb1 72. Rb4 Rc1+ 73. Kb5 Rc8 74. b7 Rb8 75. Kc6 f5 76. Kc7 Rf8 77. b8Q Rxb8 78. Rxb8 f4 79. Rf8 1-0

[Event "Geraardsbergen op 36th"]
[Site "Geraardsbergen"]
[Date "2021.08.12"]
[Round "9"]
[White "Elgersma, Simon"]
[Black "Van Baar, Esper"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2158"]
[BlackElo "2253"]
[PlyCount "133"]
[EventDate "2021.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nb3 Be6 8. f4 Be7 9. f5 Bxb3 10. axb3 d5 11. exd5 Bb4 12. Bd2 Nbd7 13. Be2 0-0 14. 0-0 Re8 15. Kh1 Nb6 16. Bg5 e4 17. Qd4 Qd6 18. Bxf6 Bxc3 19. bxc3 Qxf6 20. Qxf6 gxf6 21. c4 Rac8 22. Rfd1 Nd7 23. b4 Rcd8 24. c5 Nb8 25. c4 Re5 26. g4 h5 27. Kg2 hxg4 28. hxg4 Kg7 29. Rab1 Rc8 30. Ra1 Ree8 31. Ra3 Rh8 32. Raa1 Rh7 33. Rh1 Rxh1 34. Kxh1 Nd7 35. Kg2 Ne5 36. Kf2 Rh8 37. b5 axb5 38. cxb5 Rc8 39. Rc1 Kf8 40. Ke3 Ke7 41. Kxe4 Ra8 42. d6+ Kd7 43. Kd5 Ra2 44. Bc4 Rd2+ 45. Ke4 Rg2 46. Bf1 Rxg4+ 47. Kd5 Nc6 48. Rc4 Rg1 49. bxc6+ bxc6+ 50. Ke4 Rxf1 51. Rc3 Re1+ 52. Kd4 Re5 53. Re3 Rxf5 54. Re7+ Kd8 55. Rc7 Rd5+ 56. Kc4 f5 57. Rxc6 Rd1 58. Rc7 Ke8 59. Re7+ Kf8 60. Re5 f4 61. Rf5 Ke8 62. Rxf4 Rc1+ 63. Kd5 Ra1 64. Kc6 Ra7 65. Kb6 Ra1 66. c6 Rb1+ 67. Kc7 1-0

[Event "Geraardsbergen op 36th"]
[Site "Geraardsbergen"]
[Date "2021.08.11"]
[Round "7"]
[White "Elgersma, Simon"]
[Black "Verlinden, Robijn"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2158"]
[BlackElo "2001"]
[PlyCount "77"]
[EventDate "2021.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Qe2 Bd6 7. Nbd2 c5 8. h3 h6 9. Nc4 Qe7 10. Bd2 Bd7 11. Bc3 0-0-0 12. Nfxe5 Be8 13. Nf3 Bb5 14. Ncd2 Rhe8 15. 0-0-0 Nd5 16. Bxg7 Nf4 17. Qf1 f5 18. Bc3 Qf7 19. e5 Qxa2 20. Nb1 Bf8 21. b3 Nd5 22. Bb2 Nb4 23. Nc3 Qa5 24. Nxb5 Qxb5 25. d4 Qa5 26. Qc4 h5 27. h4 b5 28. Qf7 Kb8 29. c3 Na2+ 30. Kc2 c4 31. Ra1 Re7 32. Qxf5 cxb3+ 33. Kd2 Bh6+ 34. Kd1 Qa6 35. Qf6 Qxf6 36. exf6 Rf7 37. Re1 Rxf6 38. Re5 c6 39. Ke2 1-0

[Event "Geraardsbergen op 36th"]
[Site "Geraardsbergen"]
[Date "2021.08.11"]
[Round "8"]
[White "Langerak, Wouter"]
[Black "Elgersma, Simon"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2047"]
[BlackElo "2158"]
[PlyCount "80"]
[EventDate "2021.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 a6 4. cxd5 exd5 5. Bg5 Nf6 6. e3 Be6 7. Bd3 Nbd7 8. 0-0 Bd6 9. Nbd2 0-0 10. e4 dxe4 11. Nxe4 Be7 12. Qe2 c6 13. Rfe1 Re8 14. Rad1 Bxa2 15. Ne5 Nf8 16. Ng3 Ng6 17. Nf5 Bf8 18. h4 h6 19. Bc4 Bxc4 20. Qxc4 Qd5 21. Bxf6 Rxe5 22. Qxd5 Rxd5 23. Be5 f6 24. h5 Ne7 25. Nxe7+ Bxe7 26. Bf4 Bb4 27. Re3 Rad8 28. Red3 Rxh5 29. Bc7 Rd7 30. Bb6 Rhd5 31. Rb3 a5 32. Rc1 Bd2 33. Rc2 Bb4 34. Re2 Kf7 35. Kf1 Rb5 36. Ba7 b6 37. Bb8 Rxd4 38. g3 Rd7 39. Rbe3 Bc5 40. Re8 Rxb2 0-1

[Event "Geraardsbergen op 36th"]
[Site "Geraardsbergen"]
[Date "2021.08.10"]
[Round "5"]
[White "Elgersma, Simon"]
[Black "Van der Stricht, Geert"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2158"]
[BlackElo "2380"]
[PlyCount "46"]
[EventDate "2021.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nb3 Be7 8. g4 h6 9. Be3 Be6 10. Qf3 Nbd7 11. 0-0-0 Rc8 12. Nd5 Bxd5 13. exd5 Nb6 14. Kb1 Qc7 15. c3 Nc4 16. Bc1 g6 17. h4 h5 18. gxh5 Nxh5 19. Rg1 b5 20. Bd3 Nf6 21. Bg5 Nh5 22. Bc1 Nf6 23. Bg5 Nh5 1/2-1/2

[Event "Geraardsbergen op 36th"]
[Site "Geraardsbergen"]
[Date "2021.08.09"]
[Round "4"]
[White "Motwani, Paul"]
[Black "Elgersma, Simon"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2440"]
[BlackElo "2158"]
[PlyCount "60"]
[EventDate "2021.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Qe2 dxe4 4. dxe4 e5 5. Nf3 Nd7 6. g3 Ngf6 7. Nbd2 Bc5 8. Bg2 0-0 9. 0-0 Re8 10. Nh4 Nf8 11. h3 Ne6 12. c3 a5 13. Nc4 Qc7 14. Rd1 b5 15. Ne3 a4 16. Nef5 b4 17. Qf3 Rd8 18. Rxd8+ Qxd8 19. cxb4 Bxb4 20. Be3 c5 21. Rd1 Nd4 22. Nxd4 cxd4 23. Bxd4 Qc7 24. Bc3 Bf8 25. Qe2 Be6 26. Nf3 Nd7 27. Qd2 f6 28. a3 Nc5 29. Qe2 Nb3 30. h4 Bc4 1/2-1/2

[Event "Oberliga Nord W 1920"]
[Site "Germany"]
[Date "2021.07.11"]
[Round "9.2"]
[White "Elgersma, Simon"]
[Black "Renner, Kai"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2147"]
[BlackElo "2185"]
[PlyCount "119"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Nordhorn Blanke"]
[BlackTeam "Hameln"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. Be3 Bb7 9. f3 d6 10. Be2 Be7 11. 0-0 0-0 12. Rc1 Nbd7 13. b4 Rac8 14. Nb3 Qb8 15. Qd2 Bd8 16. Rfd1 Bc7 17. Bf4 Ne5 18. Bxe5 dxe5 19. c5 Rfd8 20. Qe1 Rxd1 21. Rxd1 bxc5 22. Nxc5 a5 23. Nb5 Bb6 24. Kf1 Bc6 25. Na6 Qa8 26. Nd6 Rd8 27. bxa5 Bd4 28. Qb4 Qa7 29. Nc4 Nd7 30. Qe7 Qa8 31. Nb6 Nxb6 32. Nc7 Qb8 33. axb6 Rd7 34. Na6 Qa8 35. Qb4 Rb7 36. Nc5 Rb8 37. Rc1 h5 38. g3 Bb7 39. a4 Rc8 40. a5 Bxe4 41. fxe4 Rxc5 42. Rxc5 Qxe4 43. Rc8+ Kh7 44. Bd3 Qxd3+ 45. Ke1 f5 46. b7 Qe3+ 47. Kd1 Qd3+ 48. Kc1 Qf1+ 49. Kc2 Qe2+ 50. Kb1 Qd3+ 51. Rc2 Qd1+ 52. Rc1 Qd3+ 53. Ka2 Qe2+ 54. Ka3 Qe3+ 55. Ka4 Qxc1 56. b8Q Qc6+ 57. Q8b5 Qc2+ 58. Qb3 Qe4 59. Q3c4 f4 60. Qd3 1-0

[Event "NED-chT 1920"]
[Site "Netherlands"]
[Date "2020.02.01"]
[Round "5.10"]
[White "Van Beek, Alexander"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2290"]
[BlackElo "2118"]
[PlyCount "43"]
[EventDate "2019.09.28"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "BSG"]
[BlackTeam "Groningen Combinatie"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. 0-0 Ng6 7. c3 Nd7 8. Ne1 h5 9. Nc2 Ne7 10. b4 a5 11. b5 c5 12. dxc5 Nxe5 13. Nd4 Nc4 14. Na3 Rc8 15. Nxc4 dxc4 16. Ba3 Be4 17. Bxc4 Nd5 18. Qe1 Nf6 19. Rd1 Bd5 20. Nxe6 fxe6 21. Bxd5 Nxd5 22. Qxe6+ 1-0

[Event "NED-chT 1920"]
[Site "Netherlands"]
[Date "2019.12.14"]
[Round "4.8"]
[White "Elgersma, Simon"]
[Black "Meng, Roger"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2118"]
[BlackElo "2459"]
[PlyCount "66"]
[EventDate "2019.09.28"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Groningen Combinatie"]
[BlackTeam "Charlois Europoort"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 g6 2. d4 Bg7 3. Nf3 a6 4. a4 d6 5. Bc4 Nf6 6. Qe2 0-0 7. e5 dxe5 8. dxe5 Nd5 9. 0-0 c6 10. h3 Be6 11. Re1 Nd7 12. a5 Nc5 13. Nbd2 Nb4 14. Nf1 Bd5 15. Be3 Ne6 16. Bb6 Qc8 17. Bxd5 Nxd5 18. Be3 Rd8 19. N1d2 c5 20. Nc4 Qc6 21. c3 Qb5 22. Nfd2 Rd7 23. Ra3 Rad8 24. Qf3 Nxe3 25. Qxe3 Rd3 26. Qe2 Bh6 27. Rb3 Qa4 28. Nb6 Qa2 29. Ra3 Qxb2 30. Ndc4 Qxe2 31. Rxe2 Bc1 32. Ra1 Rd1+ 33. Kh2 Bf4+ 0-1

[Event "Oberliga Nord W 1920"]
[Site "Germany"]
[Date "2019.12.08"]
[Round "4.2"]
[White "Elgersma, Simon"]
[Black "Bredemeier, Dirk"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "2110"]
[BlackElo "2271"]
[PlyCount "83"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. d4 exd4 5. Bg5 Be7 6. Bxe7 Qxe7 7. Bxc6 dxc6 8. Qxd4 Nf6 9. Nc3 Bg4 10. Nd2 b6 11. f3 Be6 12. 0-0-0 c5 13. Qe3 0-0-0 14. g4 h6 15. h4 Nd7 16. e5 Kb8 17. Qf4 f6 18. exf6 Qxf6 19. Qxf6 Nxf6 20. Rhe1 Rde8 21. Nde4 Nxe4 22. Rxe4 Kc8 23. Rde1 Bf7 24. Kd2 Kd7 25. a3 Rxe4 26. Nxe4 Be6 27. Ke3 Rf8 28. Rg1 a5 29. f4 Bd5 30. Nf2 Re8+ 31. Kd2 Rf8 32. Nd3 Kd6 33. Rf1 Be6 34. Ne5 Bf7 35. Ke3 Ke6 36. Ke4 Re8 37. Rd1 Re7 38. Rd8 Be8 39. c3 a4 40. g5 h5 41. c4 Bf7 42. Rf8 1-0

[Event "Oberliga Nord W 1920"]
[Site "Germany"]
[Date "2019.11.24"]
[Round "3.4"]
[White "Jovanovic, Zoran"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2512"]
[BlackElo "2116"]
[PlyCount "55"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. d3 g6 4. g3 e5 5. Bg2 dxe4 6. Nxe4 Bg7 7. Nf3 h6 8. 0-0 Ne7 9. Re1 0-0 10. Ned2 f6 11. d4 exd4 12. Nb3 Na6 13. Nbxd4 Nc7 14. c3 Kh7 15. Qb3 a5 16. a4 Ned5 17. Bd2 Na6 18. Qc2 Qd6 19. Rad1 Bd7 20. Nh4 f5 21. Nb3 Qf6 22. Nxa5 Nc5 23. c4 Nb6 24. Bb4 Nbxa4 25. b3 b6 26. bxa4 Rxa5 27. Bxc5 Rxc5 28. Rxd7 1-0

[Event "NED-chT 1920"]
[Site "Netherlands"]
[Date "2019.11.23"]
[Round "3.8"]
[White "Abeln, Michiel"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2322"]
[BlackElo "2118"]
[PlyCount "67"]
[EventDate "2019.09.28"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Den Bosch HMC"]
[BlackTeam "Groningen Combinatie"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. Nf3 Nf6 5. Bf4 dxc4 6. a4 Nc6 7. e4 Na5 8. Qc2 b6 9. Be2 Bb7 10. 0-0 Bb4 11. e5 Nd5 12. Bg5 Be7 13. Nxd5 Bxd5 14. Be3 Qd7 15. Nd2 Qc6 16. f3 0-0 17. Rac1 b5 18. Ne4 Nb3 19. Rcd1 b4 20. Ng5 Bxg5 21. Bxg5 Rab8 22. Rf2 c3 23. bxc3 bxc3 24. Rd3 Qxa4 25. Qxc3 Qd7 26. Rd1 a5 27. f4 Qc6 28. Qg3 Be4 29. f5 Kh8 30. f6 Rg8 31. fxg7+ Rxg7 32. Bf6 Rbg8 33. Qxb3 Bxg2 34. Qg3 1-0

[Event "Hoogeveen op 23rd"]
[Site "Hoogeveen"]
[Date "2019.10.26"]
[Round "9"]
[White "Fehr, Axel"]
[Black "Elgersma, Simon"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2045"]
[BlackElo "2111"]
[PlyCount "62"]
[EventDate "2019.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. Nbd2 Ng6 7. Nb3 Nd7 8. Be3 f6 9. exf6 Qxf6 10. Qd2 Bd6 11. h4 Bg4 12. Ng5 Bxe2 13. Qxe2 h6 14. Nf3 Nf4 15. Bxf4 Bxf4 16. g3 Bd6 17. Nh2 0-0-0 18. 0-0-0 e5 19. Ng4 Qe7 20. Nxe5 Nxe5 21. dxe5 Bxe5 22. Rhe1 Rhe8 23. Qg4+ Qd7 24. Qxd7+ Kxd7 25. c4 Kc7 26. cxd5 Rxd5 27. Rxd5 cxd5 28. Kc2 Re7 29. f4 Bf6 30. Rxe7+ Bxe7 31. h5 Bf6 1/2-1/2

[Event "Hoogeveen op 23rd"]
[Site "Hoogeveen"]
[Date "2019.10.25"]
[Round "8"]
[White "Elgersma, Simon"]
[Black "Gijsen, William"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2111"]
[BlackElo "2091"]
[PlyCount "77"]
[EventDate "2019.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 Be7 8. g4 h6 9. Bg2 Nbd7 10. a4 b6 11. 0-0 0-0 12. Ng3 Bb7 13. Be3 Nc5 14. Qd2 Re8 15. b4 Ne6 16. Nd5 Nxd5 17. exd5 Nf4 18. c4 Rc8 19. Rfc1 Nxg2 20. Kxg2 Bg5 21. Bxg5 Qxg5 22. Qxg5 hxg5 23. Ne4 Red8 24. f3 f6 25. a5 b5 26. c5 dxc5 27. Nxc5 Bxd5 28. Nxa6 e4 29. fxe4 Bxe4+ 30. Kf2 Rxc1 31. Rxc1 Rd3 32. Nc5 Rd4 33. Ke3 Rxb4 34. Nxe4 Ra4 35. Rc8+ Kf7 36. Ra8 b4 37. a6 Ra3+ 38. Kd2 g6 39. a7 1-0

[Event "Hoogeveen op 23rd"]
[Site "Hoogeveen"]
[Date "2019.10.22"]
[Round "5"]
[White "Romanishin, Oleg M"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2441"]
[BlackElo "2111"]
[PlyCount "65"]
[EventDate "2019.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. 0-0 Be7 5. c4 0-0 6. d4 dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 10. Qxc4 Nbd7 11. Qc2 Ra7 12. Nc3 b6 13. Bf4 Bb7 14. Rad1 Qa8 15. Bd6 Rc8 16. Bxc5 Nxc5 17. Rd6 Nce4 18. Rxb6 Nxc3 19. bxc3 Be4 20. Qb2 Rac7 21. Rc1 Bd5 22. a5 Nd7 23. Rb4 Rc5 24. c4 Bxc4 25. Rbxc4 Rxc4 26. Rxc4 Rxc4 27. Ne5 Qc8 28. Nxc4 Qxc4 29. Qb7 Qb5 30. Qxb5 axb5 31. Bc6 Nc5 32. Bxb5 Nb7 33. a6 1-0

[Event "Hoogeveen op 23rd"]
[Site "Hoogeveen"]
[Date "2019.10.21"]
[Round "4"]
[White "Elgersma, Simon"]
[Black "Hoffman, Ron"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2111"]
[BlackElo "1991"]
[PlyCount "81"]
[EventDate "2019.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 e5 6. Bxc6 dxc6 7. d3 Qe7 8. a3 Nf6 9. Nbd2 Nd7 10. b4 Nf8 11. Nc4 f6 12. bxc5 Qxc5 13. a4 Qe7 14. Ba3 c5 15. d4 Ne6 16. dxc5 0-0 17. c6 Qc7 18. Bxf8 Bxf8 19. Qd5 bxc6 20. Qd2 Ba6 21. Qc3 Rb8 22. Rab1 Rd8 23. Red1 Be7 24. Rxd8+ Qxd8 25. Na5 Bc5 26. Nb3 Qb6 27. Qe1 Nf4 28. a5 Qb4 29. Qxb4 Bxb4 30. Nc1 Bc5 31. Ne1 Bd4 32. Ned3 Nxd3 33. Nxd3 Kf7 34. Rb8 Ke6 35. Nb4 Bb5 36. c4 Bxc4 37. Nxc6 Bc3 38. Rc8 Kd7 39. Nxa7 Bd4 40. Rxc4 Bxa7 41. Kf1 1-0

[Event "Hoogeveen op 23rd"]
[Site "Hoogeveen"]
[Date "2019.10.21"]
[Round "3"]
[White "Okkes, Menno"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2326"]
[BlackElo "2111"]
[PlyCount "99"]
[EventDate "2019.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 a6 5. cxd5 exd5 6. Bg5 Be6 7. e3 Nbd7 8. Bd3 h6 9. Bh4 g5 10. Bg3 Nh5 11. Qc2 Nxg3 12. hxg3 Bg7 13. 0-0-0 Qe7 14. Kb1 Nb6 15. Na4 Nxa4 16. Qxa4+ c6 17. Qc2 Qd6 18. Rc1 a5 19. Nd2 Rc8 20. f4 b6 21. Nf3 c5 22. Ba6 Rc7 23. Bb5+ Kf8 24. Ne5 c4 25. Rhf1 Bxe5 26. dxe5 Qc5 27. f5 Bc8 28. a4 Qxe3 29. Rce1 Qd3 30. Qxd3 cxd3 31. Bxd3 Bd7 32. Rc1 Rc5 33. b3 Ke7 34. f6+ Kd8 35. Rxc5 bxc5 36. Rc1 Re8 37. Rxc5 Rxe5 38. Rxa5 Be6 39. Kc2 Re3 40. Ra8+ Kc7 41. a5 d4 42. b4 Bd5 43. Ra7+ Kb8 44. Rd7 Bc6 45. Rxf7 Rxg3 46. b5 Rxg2+ 47. Kc1 Rg1+ 48. Kd2 Rg2+ 49. Ke1 Bd5 50. Rd7 1-0

[Event "Hoogeveen op 23rd"]
[Site "Hoogeveen"]
[Date "2019.10.20"]
[Round "2"]
[White "Elgersma, Simon"]
[Black "Ricken, Katharina"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2111"]
[BlackElo "1970"]
[PlyCount "67"]
[EventDate "2019.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. e5 f6 5. Bb5 Bd7 6. Nf3 a6 7. Bxc6 Bxc6 8. 0-0 Qd7 9. Re1 f5 10. a3 0-0-0 11. b4 Nh6 12. Rb1 Nf7 13. Qd3 Bb5 14. Nxb5 Qxb5 15. Qb3 Qd7 16. a4 b6 17. c4 Be7 18. a5 dxc4 19. Qxc4 b5 20. Qc3 g5 21. Bb2 g4 22. Nd2 h5 23. Rbc1 Bg5 24. Re2 Bxd2 25. Rxd2 Kb7 26. d5 Rc8 27. Qc5 Ng5 28. Bd4 Ra8 29. d6 Rhc8 30. Rdc2 Ne4 31. Qxc7+ Rxc7 32. Rxc7+ Qxc7 33. Rxc7+ Kb8 34. Bb6 1-0

[Event "Hoogeveen op 23rd"]
[Site "Hoogeveen"]
[Date "2019.10.19"]
[Round "1"]
[White "Beerdsen, Thomas"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2472"]
[BlackElo "2111"]
[PlyCount "51"]
[EventDate "2019.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8. Bd3 0-0 9. Nge2 Re8 10. Rc1 b6 11. h3 Bb7 12. 0-0 Nbd7 13. Ng3 g6 14. Qf3 c5 15. Nge2 Kg7 16. Rfd1 Rad8 17. b3 Nf8 18. dxc5 bxc5 19. Qf4 Re5 20. Na4 Ne6 21. Qh2 d4 22. Bc4 Qc6 23. Bxe6 fxe6 24. Nxd4 Red5 25. Nxc5 Kf7 26. Nxb7 1-0

[Event "Oberliga Nord W 1920"]
[Site "Germany"]
[Date "2019.09.29"]
[Round "1.2"]
[White "Gronde, Ingo"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2228"]
[BlackElo "2118"]
[PlyCount "121"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. 0-0 Ng6 7. Be3 Nd7 8. Nbd2 f6 9. exf6 Qxf6 10. c4 Bd6 11. Qb3 Rb8 12. Rfe1 0-0 13. Nf1 Nf4 14. Bxf4 Bxf4 15. Ng3 Bg4 16. Rad1 Rf7 17. h3 Bxf3 18. Bxf3 Bd6 19. Re2 Nf8 20. Bg4 g6 21. Qc3 h5 22. Bf3 Nh7 23. Rd3 Ng5 24. Nf1 Rbf8 25. h4 Nxf3+ 26. Rxf3 Qxh4 27. Rxf7 Rxf7 28. Qe1 Qxd4 29. Rxe6 Bc5 30. Ne3 Kg7 31. b4 Bb6 32. c5 Bd8 33. Qb1 Bf6 34. b5 cxb5 35. Qxb5 Qa1+ 36. Qf1 Qxf1+ 37. Kxf1 d4 38. Nd5 Bh4 39. f3 Rf5 40. Rd6 Re5 41. g4 hxg4 42. fxg4 d3 43. Nf4 Re1+ 44. Kg2 Re2+ 45. Kf3 Rf2+ 46. Ke3 Rxa2 47. Kxd3 Rb2 48. Rxg6+ Kf7 49. g5 Rb4 50. Rf6+ Ke8 51. Re6+ Kd7 52. Rd6+ Ke8 53. Nd5 Rb1 54. g6 a5 55. c6 bxc6 56. Rxc6 Kf8 57. Nf4 Rg1 58. Nh5 Rg5 59. Rc8+ Ke7 60. g7 Kf7 61. Rf8+ 1-0

[Event "NED-chT 1920"]
[Site "Netherlands"]
[Date "2019.09.28"]
[Round "1.9"]
[White "Haast, Mark"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2413"]
[BlackElo "2118"]
[PlyCount "117"]
[EventDate "2019.09.28"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Leiden LSG"]
[BlackTeam "Groningen Combinatie"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 dxc4 5. 0-0 a6 6. a4 Nc6 7. Na3 Na5 8. Qc2 Qd5 9. Rd1 Be7 10. d3 Nb3 11. Rb1 Nxc1 12. Rbxc1 Bxa3 13. bxa3 0-0 14. d4 Qd6 15. Qxc4 Qxa3 16. Ne5 c6 17. Rb1 a5 18. e4 Rd8 19. h3 Qe7 20. Kh2 Qc7 21. f4 Bd7 22. Bf3 Rac8 23. Ng4 Nxg4+ 24. hxg4 c5 25. d5 exd5 26. exd5 Be8 27. Kg2 Rd6 28. Rh1 f6 29. Be4 g6 30. Rh6 Rcd8 31. Rbh1 R8d7 32. Qc2 Rg7 33. Bf3 b6 34. Qe4 Qe7 35. Qb1 Bxa4 36. Re1 Qf8 37. Re6 Rgd7 38. Rxd6 Rxd6 39. Rh1 Bd7 40. Re1 Qf7 41. Qd3 Kg7 42. Re3 a4 43. Qe2 Kf8 44. Qa6 Be8 45. g5 Qd7 46. gxf6 Rxf6 47. Qa8 h5 48. Qb8 Kf7 49. f5 Rxf5 50. d6 Rxf3 51. Rxf3+ Kg7 52. Qxb6 Qc6 53. Qb2+ Kh7 54. Qf6 Qe4 55. Kh2 Bc6 56. Qf8 Bd5 57. Qe7+ Qxe7 58. dxe7 Bc6 59. Rf8 1-0

[Event "Vlissingen HZ op 23rd"]
[Site "Vlissingen"]
[Date "2019.08.10"]
[Round "9"]
[White "Elgersma, Simon"]
[Black "Westerweele, Henrik"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2128"]
[BlackElo "1961"]
[PlyCount "83"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Qb6 8. g3 cxd4 9. cxd4 Bb4+ 10. Kf2 f6 11. Kg2 0-0 12. Bd3 g6 13. Ne2 fxe5 14. dxe5 Be7 15. h4 Nc5 16. Be3 d4 17. Nfxd4 Nxd3 18. Qxd3 Nxd4 19. Bxd4 Qc6+ 20. Qf3 Bd7 21. Rhc1 Qb5 22. Kh2 Bc6 23. Qf2 Rad8 24. Nc3 Qb4 25. Bxa7 Rd3 26. Be3 Rfd8 27. Rc2 R8d7 28. Re1 Qa5 29. a3 Qd8 30. Ree2 Qf8 31. Red2 Qf5 32. Rxd3 Rxd3 33. Rd2 Bxa3 34. g4 Rxd2 35. Bxd2 Bc5 36. Qxc5 Qxg4 37. Qf2 h6 38. b4 b6 39. b5 Bb7 40. Be3 g5 41. fxg5 hxg5 42. Qg3 1-0

[Event "Vlissingen HZ op 23rd"]
[Site "Vlissingen"]
[Date "2019.08.09"]
[Round "8"]
[White "Van Doren, Bas"]
[Black "Elgersma, Simon"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1976"]
[BlackElo "2128"]
[PlyCount "85"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 Nf6 5. Be3 Bb4 6. Qd3 dxe4 7. fxe4 b6 8. Bd2 Ba6 9. Qe3 Bxf1 10. Kxf1 c5 11. dxc5 Bxc5 12. Qd3 Qxd3+ 13. cxd3 Nc6 14. Nf3 0-0-0 15. Ke2 Rd7 16. a3 Rhd8 17. b4 Nd4+ 18. Nxd4 Bxd4 19. Rac1 Kb7 20. Bg5 h6 21. Bxf6 Bxf6 22. Rhd1 Bg5 23. Rc2 Rc7 24. d4 Rc4 25. d5 Bf6 26. Kd3 exd5 27. exd5 Rd4+ 28. Ke2 Re8+ 29. Kf3 Rc4 30. Nb5 Rxc2 31. Nd6+ Kb8 32. Nxe8 Rc3+ 33. Ke4 Rc4+ 34. Kf3 Be5 35. d6 Kc8 36. Rd5 Bxh2 37. Nxg7 Rf4+ 38. Ke3 Kd7 39. Nh5 Rf1 40. Ke2 Rc1 41. Nf6+ Kd8 42. Ng4 Bf4 43. Rf5 1/2-1/2

[Event "Vlissingen HZ op 23rd"]
[Site "Vlissingen"]
[Date "2019.08.08"]
[Round "7"]
[White "Elgersma, Simon"]
[Black "Snijders, Frans"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2128"]
[BlackElo "1876"]
[PlyCount "49"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bc5 6. 0-0 d6 7. c3 b5 8. Bc2 Bb6 9. a4 b4 10. Nbd2 bxc3 11. bxc3 Ba5 12. Ra3 Be6 13. d4 exd4 14. cxd4 d5 15. e5 Nd7 16. Nb3 Bb4 17. Ng5 Qe7 18. Ra1 g6 19. f4 h6 20. Nxe6 Qxe6 21. f5 gxf5 22. Bxf5 Qe7 23. Qc2 Nd8 24. Qxc7 Ne6 25. Qc6 1-0

[Event "Vlissingen HZ op 23rd"]
[Site "Vlissingen"]
[Date "2019.08.07"]
[Round "6"]
[White "Grochal, Joey"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "E93"]
[WhiteElo "2313"]
[BlackElo "2128"]
[PlyCount "97"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 Nbd7 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5 11. h4 Nxg3 12. fxg3 g4 13. Nd2 h5 14. 0-0 Bh6 15. Kh2 a5 16. Bd3 Nc5 17. Bc2 Bd7 18. Qe2 f6 19. Rab1 Rf7 20. Nd1 Qe7 21. Ne3 Bxe3 22. Qxe3 Raf8 23. b3 f5 24. exf5 Bxf5 25. Rxf5 Rxf5 26. Bxf5 Rxf5 27. a3 Kg7 28. b4 axb4 29. axb4 Nd7 30. Qd3 Qf7 31. Ne4 Qg6 32. Qe3 Nf6 33. Ng5 Rf3 34. Ne6+ Kf7 35. Qg5 Rf2 36. Nd8+ Kg7 37. Kg1 Rf5 38. Ne6+ Kf7 39. Qxg6+ Kxg6 40. Nxc7 Ne4 41. Re1 Nxg3 42. Ne8 Rf4 43. Nxd6 Kf6 44. c5 Ke7 45. Rxe5+ Kd7 46. Re3 Nf1 47. Re4 Rf8 48. Re1 Nd2 49. Nxb7 1-0

[Event "Vlissingen HZ op 23rd"]
[Site "Vlissingen"]
[Date "2019.08.06"]
[Round "5"]
[White "Elgersma, Simon"]
[Black "Van der Borgt, Peter"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2128"]
[BlackElo "1938"]
[PlyCount "77"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. d4 cxd4 6. Nxd4 Nxd4 7. Qxd4 Nc6 8. Bxc6 bxc6 9. c4 Qb6 10. Qd3 d5 11. exd5 cxd5 12. cxd5 Ba6 13. Qf3 Bxf1 14. dxe6 0-0-0 15. Kxf1 fxe6 16. Nc3 Bc5 17. Bf4 Qb7 18. Qe2 Rhf8 19. Qxe6+ Qd7 20. Qa6+ Qb7 21. Qc4 Rxf4 22. Qxf4 Rf8 23. Qg4+ Kb8 24. f3 Qa6+ 25. Ne2 Re8 26. Re1 Qd3 27. Qf4+ Ka8 28. Qc1 Qd6 29. Rd1 Qe6 30. Qd2 Qxa2 31. Nc3 Qa6+ 32. Qd3 Qxd3+ 33. Rxd3 Rb8 34. Ne4 Be7 35. b3 Rd8 36. Rc3 Kb7 37. Kf2 Kb6 38. f4 Kb5 39. Rc7 1-0

[Event "Vlissingen HZ op 23rd"]
[Site "Vlissingen"]
[Date "2019.08.05"]
[Round "4"]
[White "Elgersma, Simon"]
[Black "Van Baar, Esper"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "2128"]
[BlackElo "2171"]
[PlyCount "82"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 0-0 9. 0-0 b5 10. h3 Bb7 11. g4 b4 12. Nd5 Nxd5 13. exd5 Bc8 14. Bd2 g6 15. Bxb4 f5 16. Ng3 Bh4 17. Kh1 fxg4 18. Ne4 gxh3 19. Bf3 Be7 20. c4 a5 21. Ba3 Na6 22. c5 Nb4 23. Bxb4 axb4 24. cxd6 Bxd6 25. Rc1 Bb7 26. Bg4 Rf4 27. Be6+ Kh8 28. f3 Bf8 29. Rf2 Qb6 30. Qe1 Rd8 31. Nc5 Bg7 32. Nxb7 Qxb7 33. Rfc2 Rxf3 34. Rc7 Qb6 35. Bg4 Qf2 36. Qxf2 Rxf2 37. Re7 Rxd5 38. Rcc7 Rdd2 39. Re8+ Bf8 40. Kg1 h2+ 41. Kh1 Rf1# 0-1

[Event "Vlissingen HZ op 23rd"]
[Site "Vlissingen"]
[Date "2019.08.04"]
[Round "2"]
[White "Elgersma, Simon"]
[Black "Sow, Miaogeng Malcolm"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "2128"]
[BlackElo "1525"]
[PlyCount "95"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Qd3 Qa5 8. Bd2 Nc6 9. Nc2 Bc5 10. Qg3 0-0 11. a3 Nd4 12. Nxd4 Bxd4 13. Bd3 Qb6 14. Ne2 d5 15. e5 Bxf2+ 16. Qxf2 Qxf2+ 17. Kxf2 Ng4+ 18. Ke1 Nxe5 19. Nf4 Nxd3+ 20. Nxd3 dxc4 21. Ne5 b5 22. Rf1 f6 23. Bb4 Re8 24. Ng4 e5 25. Ne3 Be6 26. Ba5 Ra7 27. Rd1 Ree7 28. Rd6 Kf7 29. g4 Red7 30. Rb6 Rd4 31. Rg1 g6 32. Bc3 Re4 33. Kf2 Rd7 34. Rg3 Rd3 35. Rf3 f5 36. gxf5 gxf5 37. Rxa6 f4 38. Ng2 Bg4 39. Rxd3 cxd3 40. Rd6 Re2+ 41. Kf1 f3 42. Rxd3 Rxg2 43. Bxe5 Re2 44. Bg3 Rxb2 45. Rd4 Bh3+ 46. Ke1 Rb3 47. Kf2 Rxa3 48. Rf4+ 1/2-1/2

[Event "Vlissingen HZ op 23rd"]
[Site "Vlissingen"]
[Date "2019.08.04"]
[Round "3"]
[White "Van de Krol, Sernin"]
[Black "Elgersma, Simon"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1603"]
[BlackElo "2128"]
[PlyCount "66"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 7. f3 Bd7 8. Bf4 e5 9. dxe5 Nxe5 10. Bc2 Nf6 11. 0-0 Bd6 12. Nd2 0-0 13. Nb3 Rfe8 14. Kh1 Nc4 15. Bxd6 Qxd6 16. Re1 Nxb2 17. Qd4 Rac8 18. Rab1 Nc4 19. Qf2 b6 20. Bd3 Ne5 21. Bc2 Re7 22. Nbd4 Rce8 23. Ng3 g6 24. Qd2 Nc4 25. Qf2 Ne3 26. Bd3 h5 27. Nb5 Qf4 28. Ne2 Qb8 29. Qh4 Kg7 30. Ned4 a6 31. Na3 Qc7 32. Rbc1 b5 33. Nb1 Qa5 0-1

[Event "Vlissingen HZ op 23rd"]
[Site "Vlissingen"]
[Date "2019.08.03"]
[Round "1"]
[White "Schakel, Tijmen"]
[Black "Elgersma, Simon"]
[Result "0-1"]
[ECO "B13"]
[BlackElo "2128"]
[PlyCount "42"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nc3 Nc6 5. Nf3 Bg4 6. Be2 e6 7. 0-0 Bd6 8. Be3 Nge7 9. Nd2 Bxe2 10. Nxe2 Nf5 11. c3 Qc7 12. g3 f6 13. Nf4 Qf7 14. Re1 0-0 15. Qf3 g6 16. Nf1 Nce7 17. Nd3 e5 18. dxe5 fxe5 19. Qe2 e4 20. Nc5 Nxe3 21. Qxe3 Nf5 0-1

[Event "Pardubice Czech op-A 30th"]
[Site "Pardubice"]
[Date "2019.07.25"]
[Round "7"]
[White "Sikorova, Olga"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2235"]
[BlackElo "2130"]
[PlyCount "61"]
[EventDate "2019.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191"]
[Source "ChessBase"]
[SourceDate "2019.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.08.31"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. b3 d4 7. e3 c5 8. exd4 cxd4 9. d3 Nc6 10. Na3 e5 11. Nc2 a5 12. a3 Ne8 13. Re1 f6 14. Qe2 Nc7 15. Bd2 Rb8 16. b4 axb4 17. Nxb4 Nxb4 18. axb4 b5 19. c5 Bb7 20. Ra7 Ne6 21. Rxb7 Rxb7 22. Nxe5 fxe5 23. Bxb7 Bf6 24. Bg2 Nc7 25. Qe4 Re8 26. Ra1 Re7 27. Ra7 Rf7 28. Qc6 g6 29. Be4 Bg5 30. Rxc7 Rxc7 31. Bxg5 1-0

[Event "Pardubice Czech op-A 30th"]
[Site "Pardubice"]
[Date "2019.07.21"]
[Round "3"]
[White "Myshakov, Fyodor"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2295"]
[BlackElo "2130"]
[PlyCount "79"]
[EventDate "2019.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191"]
[Source "ChessBase"]
[SourceDate "2019.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.08.31"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. cxd5 exd5 4. d4 c6 5. Nf3 Nf6 6. Bg5 h6 7. Bh4 Bf5 8. e3 Nbd7 9. Bd3 Bxd3 10. Qxd3 Bd6 11. 0-0 0-0 12. a3 a5 13. Na4 Re8 14. Rfc1 Qe7 15. Qb3 b5 16. Nc5 Nxc5 17. dxc5 Bc7 18. Qc3 g5 19. Bg3 Ne4 20. Qc2 Bxg3 21. hxg3 a4 22. Nd4 Qd7 23. g4 Nf6 24. Qf5 Qxf5 25. gxf5 Ra6 26. Nc2 Ra7 27. Nd4 Ra6 28. Rc2 Re5 29. Re1 Kg7 30. f3 Nd7 31. g4 Re8 32. Kf2 Ne5 33. Rh1 Nc4 34. Re2 Ra7 35. f6+ Kg6 36. Nxc6 Rc7 37. Ne7+ Kh7 38. Nf5 Ne5 39. Rxh6+ Kg8 40. Ne7+ 1-0

[Event "Pardubice Czech op-A 30th"]
[Site "Pardubice"]
[Date "2019.07.20"]
[Round "2"]
[White "Elgersma, Simon"]
[Black "Hemant, Sharma"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2130"]
[BlackElo "2355"]
[PlyCount "83"]
[EventDate "2019.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191"]
[Source "ChessBase"]
[SourceDate "2019.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.08.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 a6 5. Bxd7+ Bxd7 6. Nc3 Rc8 7. 0-0 cxd4 8. Qxd4 Nf6 9. Bg5 h6 10. Bxf6 gxf6 11. Nd5 Bg7 12. c3 0-0 13. Rfe1 b5 14. Rad1 a5 15. Nf4 Rc5 16. a3 Qb8 17. b4 axb4 18. cxb4 Rc4 19. Qe3 Qc7 20. Nd5 Qd8 21. Nd4 e6 22. Nf4 f5 23. Nh5 Qg5 24. Qxg5 hxg5 25. Nxg7 Kxg7 26. exf5 e5 27. Ne2 Bxf5 28. Rxd6 Ra8 29. Ng3 Bg6 30. h3 f6 31. Red1 Rxa3 32. Rd7+ Kh6 33. R1d6 Rf4 34. f3 Ra1+ 35. Kh2 Ra2 36. Rb6 Rxf3 37. Rb8 Bf5 38. Rh8+ Kg6 39. Rg8+ Kh6 40. Rh8+ Kg6 41. Rg8+ Kh6 42. Rh8+ 1/2-1/2

[Event "Pardubice Czech op-A 30th"]
[Site "Pardubice"]
[Date "2019.07.19"]
[Round "1"]
[White "Skliarov, Viktor"]
[Black "Elgersma, Simon"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2360"]
[BlackElo "2130"]
[PlyCount "68"]
[EventDate "2019.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 191"]
[Source "ChessBase"]
[SourceDate "2019.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.08.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. 0-0 Ng6 7. Ne1 h5 8. c4 dxc4 9. Bxc4 Nd7 10. f4 Nb6 11. Be2 h4 12. Nc3 Be7 13. Bf3 Qd7 14. Be3 0-0-0 15. Qb3 Nxf4 16. Bxc6 Qxc6 17. Rxf4 Kb8 18. Rxf5 exf5 19. Qxf7 Bb4 20. Qxf5 Bxc3 21. bxc3 Qxc3 22. Nc2 Rhf8 23. Qe4 Rc8 24. Rc1 Nc4 25. Rb1 b6 26. h3 Nd6 27. Qd5 Nf5 28. Bf4 Nxd4 29. Nxd4 Rxf4 30. Qd6+ Qc7 31. Qxc7+ Rxc7 32. Ne6 Re4 33. Nxc7 Kxc7 34. Rf1 Rxe5 1/2-1/2

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2019.07.12"]
[Round "7"]
[White "Baarslag, Ed"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2220"]
[BlackElo "2130"]
[PlyCount "101"]
[EventDate "2019.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8. Bd3 0-0 9. Nge2 Re8 10. Qc2 b6 11. Ng3 Bb7 12. 0-0 c5 13. Rad1 Nbd7 14. Rfe1 Rac8 15. Bf5 g6 16. dxc5 Rxc5 17. Bxd7 Qxd7 18. Qa4 b5 19. Qd4 Qc6 20. f3 Rc4 21. Qd3 Qc5 22. Kf2 h5 23. Nce2 h4 24. Nf1 Bc8 25. Nd4 Qc7 26. Kg1 Qe5 27. b3 Rc7 28. Rc1 Rxc1 29. Rxc1 Qg5 30. f4 Qh5 31. h3 Ne4 32. Qe2 Qh6 33. Nd2 Ng3 34. Qf3 g5 35. Rc6 Qg7 36. fxg5 Qxg5 37. Qf4 Qg7 38. N2f3 Bd7 39. Rc7 Bxh3 40. Ng5 Be6 41. Qxh4 Nf5 42. Nxf5 Bxf5 43. Nxf7 Kf8 44. Qb4+ Kg8 45. Qf4 Qa1+ 46. Kh2 Bg6 47. Qg5 Re6 48. Qd8+ Kh7 49. Ne5+ Kh6 50. Qh4+ Bh5 51. Qf4# 1-0

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2019.07.08"]
[Round "3"]
[White "Elgersma, Simon"]
[Black "Belous, Mikhail"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2130"]
[BlackElo "2289"]
[PlyCount "54"]
[EventDate "2019.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Qd3 Nbd7 7. Be2 e6 8. 0-0 b5 9. b4 Bb7 10. a4 bxa4 11. Rxa4 Qc7 12. Bd2 Be7 13. Rfa1 0-0 14. Qh3 Nb6 15. Ra5 Qc8 16. Rg5 Nxe4 17. Bd3 Nxg5 18. Bxg5 f5 19. Bd2 Nc4 20. Nb1 Ne5 21. Be2 Bf6 22. Bc3 Nc6 23. Nf3 Bxc3 24. Nxc3 Nxb4 25. Ng5 h6 26. Rb1 a5 27. Bh5 Rf6 0-1

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2019.07.06"]
[Round "1"]
[White "Elgersma, Simon"]
[Black "Bosboom, Manuel"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2130"]
[BlackElo "2418"]
[PlyCount "73"]
[EventDate "2019.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nb3 h5 8. Bg5 Be7 9. Bxf6 Bxf6 10. Nd5 Nc6 11. Qd3 Be6 12. 0-0-0 0-0 13. Kb1 a5 14. h4 a4 15. Nd2 a3 16. b3 Ra5 17. Nc4 Bxd5 18. exd5 Nb4 19. Qe4 g6 20. g4 Bg7 21. gxh5 Qc7 22. Nxa5 Qxa5 23. c3 Na6 24. b4 Qc7 25. Qc4 Qb6 26. hxg6 e4 27. Rh3 Qxf2 28. Qe2 Qf5 29. Bg2 e3+ 30. Qc2 Qe5 31. Qd3 e2 32. Re1 Nxb4 33. Qxe2 Qf5+ 34. Qe4 Qf2 35. Re2 Qg1+ 36. Re1 Qf2 37. Re2 1/2-1/2

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2019.06.22"]
[Round "3"]
[White "Lanchava, Tea"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2314"]
[BlackElo "2099"]
[PlyCount "55"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. 0-0 0-0 6. d3 e5 7. Nc3 Nc6 8. Rb1 a5 9. Nb5 h6 10. e4 Be6 11. b3 Qd7 12. Bb2 Nh5 13. d4 exd4 14. Nfxd4 Nxd4 15. Bxd4 Bxd4 16. Qxd4 Bh3 17. f3 Rad8 18. Rbd1 Be6 19. Qd2 a4 20. Qxh6 Qc6 21. Nd4 Qc5 22. f4 Bg4 23. Rd2 Ng7 24. Kh1 Qh5 25. Qxh5 Nxh5 26. f5 g5 27. Kg1 f6 28. h3 1-0

[Event "Groninger Combinatie op"]
[Site "Groningen"]
[Date "2019.06.02"]
[Round "7"]
[White "Elgersma, Simon"]
[Black "Traetmar, Mattis"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2088"]
[BlackElo "1988"]
[PlyCount "145"]
[EventDate "2019.05.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nb3 Be6 8. f4 Qc7 9. f5 Bc4 10. g4 Bxf1 11. Rxf1 Qc4 12. Qd3 Qxd3 13. cxd3 Nc6 14. g5 Nd7 15. Nd5 Rc8 16. Be3 Ne7 17. Nb4 Nc5 18. Na5 b6 19. Nc4 Nxd3+ 20. Nxd3 Rxc4 21. Kd2 d5 22. f6 d4 23. Bg1 Ng6 24. fxg7 Bxg7 25. Rac1 b5 26. b3 Rxc1 27. Rxc1 0-0 28. Ke2 Ra8 29. Bh2 h6 30. gxh6 Bxh6 31. Rc6 Bg7 32. Bg3 f6 33. Nc5 a5 34. h4 Ne7 35. Rb6 b4 36. h5 Nc8 37. Rc6 Ne7 38. Rb6 Rc8 39. Rb5 Nc6 40. Nd7 Rc7 41. Rd5 Ne7 42. Rxd4 Rc2+ 43. Rd2 Rc3 44. Kf2 Kf7 45. Nb6 Bh6 46. Re2 Nc6 47. Nc4 Nd4 48. Rb2 a4 49. Kg2 Bc1 50. Rf2 Ke6 51. Nb6 Be3 52. Rb2 a3 53. Rb1 Rc2+ 54. Kh3 Rb2 55. Ra1 Nc2 56. Rd1 Bxb6 57. h6 Kf7 58. h7 Kg7 59. Rd7+ Kh8 60. Bh4 Bd8 61. Kg4 f5+ 62. Kh5 Bxh4 63. Kh6 Ne3 64. Rf7 Be7 65. Rxe7 Rh2+ 66. Kg6 Rg2+ 67. Kh6 Rh2+ 68. Kg6 Rg2+ 69. Kh6 Ng4+ 70. Kg6 Nf2+ 71. Kh6 Rh2+ 72. Kg6 Rg2+ 73. Kh6 1/2-1/2

[Event "Groninger Combinatie op"]
[Site "Groningen"]
[Date "2019.06.02"]
[Round "6"]
[White "Ernst, Sipke"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2540"]
[BlackElo "2088"]
[PlyCount "65"]
[EventDate "2019.05.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. e3 Nf6 5. Nf3 dxc4 6. a4 c5 7. Bxc4 Nc6 8. 0-0 Be7 9. dxc5 0-0 10. Qe2 Bxc5 11. e4 Nd4 12. Nxd4 Bxd4 13. e5 Nd7 14. Bf4 Qc7 15. Rad1 Bxc3 16. bxc3 Re8 17. h4 Nf8 18. h5 Bd7 19. Bb3 b5 20. axb5 Qxc3 21. Bc4 Bxb5 22. Bxb5 axb5 23. Qxb5 Rec8 24. Qe2 Rab8 25. Rfe1 Rb2 26. Qg4 Qc2 27. Rd2 Qc3 28. Bh6 g6 29. Qh4 Nd7 30. Rdd1 Re8 31. Re3 Qc7 32. Red3 Rd8 33. Qf6 1-0

[Event "Groninger Combinatie op"]
[Site "Groningen"]
[Date "2019.06.01"]
[Round "5"]
[White "Elgersma, Simon"]
[Black "Hilwerda, Jonas"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2088"]
[BlackElo "2317"]
[PlyCount "89"]
[EventDate "2019.05.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 d6 8. a4 Bd7 9. c3 0-0 10. Nbd2 Na5 11. Bc2 c5 12. Re1 Nc6 13. Nf1 h6 14. Ne3 Re8 15. Nd5 Nxd5 16. exd5 Na5 17. b4 Nb7 18. a5 cxb4 19. cxb4 f5 20. Bb2 Bf6 21. Bb3 g5 22. Rc1 g4 23. Nd2 Qe7 24. f4 Kg7 25. d4 e4 26. Rc7 Rab8 27. Nf1 Rec8 28. Qc2 Qf7 29. Ne3 Bd8 30. Rc6 Bxc6 31. dxc6 Qg6 32. Be6 Rc7 33. Nxf5+ Kf8 34. Qxe4 Bf6 35. cxb7 Rbxb7 36. Bd5 Rb8 37. Qe6 Re8 38. Qxd6+ Ree7 39. Qd8+ Qe8 40. Qd6 Qg6 41. Kh1 h5 42. Nxe7 Rxe7 43. Qd8+ Re8 44. Rxe8+ Kg7 45. Rg8+ 1-0

[Event "Groninger Combinatie op"]
[Site "Groningen"]
[Date "2019.06.01"]
[Round "4"]
[White "Maris, Ivo"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2386"]
[BlackElo "2088"]
[PlyCount "65"]
[EventDate "2019.05.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. b3 b6 7. Bb2 c5 8. e3 Nc6 9. Qe2 Ba6 10. Nc3 Rc8 11. d3 Qd7 12. Rad1 Rfd8 13. Nb5 Bxb5 14. cxb5 Na5 15. a4 a6 16. Ne5 Qe8 17. d4 axb5 18. axb5 Nxb3 19. dxc5 bxc5 20. g4 c4 21. g5 Nd7 22. Nc6 Rxc6 23. bxc6 Nb6 24. c7 Rd7 25. f4 Bd6 26. Rf3 g6 27. Rh3 Rxc7 28. Bf6 Nd7 29. Bc3 Bf8 30. f5 exf5 31. Bxd5 Nb6 32. Qf3 Rd7 33. Rxh7 1-0

[Event "Groninger Combinatie op"]
[Site "Groningen"]
[Date "2019.05.31"]
[Round "2"]
[White "Elgersma, Simon"]
[Black "De Boer, Eelke"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2088"]
[BlackElo "2333"]
[PlyCount "83"]
[EventDate "2019.05.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 Be7 8. g5 Nfd7 9. h4 b5 10. a3 Bb7 11. Be3 Nc6 12. Rg1 Rc8 13. f4 0-0 14. f5 Nxd4 15. Bxd4 exf5 16. exf5 Re8 17. Be2 Bf8 18. Qd3 Qa5 19. b4 Qc7 20. 0-0-0 Nc5 21. bxc5 dxc5 22. Bxg7 c4 23. Qd7 Bxg7 24. Qxc7 Rxc7 25. f6 Bf8 26. Kb2 Bc6 27. Bh5 a5 28. Nd5 Rd7 29. Bf3 Kh8 30. Nf4 Rxd1 31. Bxd1 Re3 32. c3 Bd6 33. Ne2 Be5 34. h5 b4 35. axb4 axb4 36. Rg4 bxc3+ 37. Kc1 Be4 38. Bc2 Bxc2 39. Rxc4 Bf5 40. Ra4 h6 41. Ra8+ Kh7 42. g6+ 0-1

[Event "Groninger Combinatie op"]
[Site "Groningen"]
[Date "2019.05.31"]
[Round "3"]
[White "Pel, Bonno"]
[Black "Elgersma, Simon"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2260"]
[BlackElo "2088"]
[PlyCount "58"]
[EventDate "2019.05.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. e4 d6 4. d4 Nf6 5. Nc3 0-0 6. Nge2 Nbd7 7. 0-0 e5 8. h3 c6 9. a4 a5 10. b3 Re8 11. Ba3 exd4 12. Nxd4 Nc5 13. Re1 Qb6 14. Bb2 Nh5 15. Kh2 Nxb3 16. Nxb3 Qxf2 17. Qd3 Be5 18. Re3 Bxh3 19. Rg1 Bxg2 20. Rxg2 Qf6 21. Nd2 Qg5 22. Nc4 Bg7 23. Rf3 Rad8 24. Rf1 Nf6 25. Kg1 Ng4 26. Rf4 Qc5+ 27. Rff2 d5 28. Nd2 dxe4 29. Ndxe4 Rxd3 0-1

[Event "Karlsruhe Grenke op"]
[Site "Karlsruhe"]
[Date "2019.04.18"]
[Round "1"]
[White "Elgersma, Simon"]
[Black "Van Wely, Loek"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2137"]
[BlackElo "2612"]
[PlyCount "92"]
[EventDate "2019.04.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 e5 6. Bxc6 dxc6 7. d3 Qe7 8. Nbd2 Nf6 9. a3 0-0 10. b4 Nd7 11. Nc4 Rd8 12. Rb1 b6 13. Be3 Ba6 14. Nfd2 f6 15. Qe2 Rac8 16. f4 b5 17. Na5 exf4 18. Bxf4 cxb4 19. axb4 c5 20. Ndb3 cxb4 21. d4 f5 22. exf5 Qxe2 23. Rxe2 Nb6 24. fxg6 hxg6 25. Be5 Bf8 26. Rf1 Nd5 27. Re4 Rxc2 28. Rg4 Ne7 29. Bf6 Rd6 30. Rh4 Rxf6 31. Rxf6 Bc8 32. Rf2 Rc3 33. Rhf4 Bh6 34. Re4 Nd5 35. Re8+ Kg7 36. Rff8 Bf5 37. Rxf5 gxf5 38. Re5 Ne3 39. Rxb5 Rc2 40. Rb7+ Kg6 41. g3 f4 42. gxf4 Rg2+ 43. Kh1 Rf2 44. h4 Rf1+ 45. Kh2 Bxf4+ 46. Kh3 Rh1# 0-1

[Event "Oberliga Nord W 1819"]
[Site "Germany"]
[Date "2019.04.07"]
[Round "9.4"]
[White "Elgersma, Simon"]
[Black "Adibekian, Roubik"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2186"]
[BlackElo "2201"]
[PlyCount "93"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Nordhorn Blanke"]
[BlackTeam "Hannover"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Qxd5 4. d4 Bg4 5. Be2 Nc6 6. c4 Qh5 7. Be3 0-0-0 8. Nbd2 e6 9. a3 g6 10. h3 Bh6 11. Rg1 Bxe3 12. fxe3 Qh6 13. hxg4 Qxe3 14. Nf1 Qe4 15. N1d2 Qxg4 16. Qb3 Qg3+ 17. Kd1 Qf2 18. Rf1 Qxg2 19. Rg1 Qf2 20. Rf1 Qg3 21. Kc2 Qf4 22. Rad1 Ng4 23. Kc1 Ne3 24. Ne5 Nxf1 25. Nxc6 Nxd2 26. Nxa7+ Kd7 27. Rxd2 Ke7 28. Qxb7 Kf6 29. Nc6 Rd7 30. Qb3 Kg7 31. Qc3 f6 32. b4 h5 33. Kb2 h4 34. Rd3 h3 35. Rf3 Qd6 36. d5 exd5 37. Nd4 dxc4 38. Rf4 Qe5 39. Bxc4 Rd6 40. Rg4 Rh5 41. Bd3 Rxd4 42. Rxd4 h2 43. Rd7+ Kh6 44. Qxe5 Rxe5 45. Rd8 Kg7 46. Rd7+ Kh6 47. Rd8 1/2-1/2

[Event "Leiden Noteboom Memorial 79th"]
[Site "Leiden"]
[Date "2019.02.24"]
[Round "6"]
[White "Elgersma, Simon"]
[Black "Van der Werf, Mark"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2148"]
[BlackElo "2412"]
[PlyCount "127"]
[EventDate "2019.02.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be3 0-0 6. Qd2 b6 7. 0-0-0 Bb7 8. Bd3 c5 9. Bh6 cxd4 10. Nxd4 Nc6 11. Nxc6 Bxc6 12. h4 e6 13. h5 Qe7 14. f3 Rfd8 15. g4 Bh8 16. Qg5 Rd7 17. Qh4 Ne8 18. hxg6 fxg6 19. Bg5 Bf6 20. Bxf6 Qxf6 21. g5 Qxf3 22. Rh3 Qf7 23. Bc4 b5 24. Rf1 bxc4 25. Rxf7 Rxf7 26. e5 d5 27. Ne2 Nc7 28. Nf4 Be8 29. Kd2 Rd8 30. Nxg6 d4 31. Nf4 c3+ 32. bxc3 dxc3+ 33. Ke1 Rd4 34. g6 Re4+ 35. Kd1 Rd7+ 36. Rd3 hxg6 37. Rxd7 Bxd7 38. Qf6 Rd4+ 39. Ke2 Be8 40. Nxe6 Nxe6 41. Qxe6+ Bf7 42. Qc8+ Kg7 43. Qxc3 Rc4 44. Qb2 Be6 45. Kd3 Rc7 46. c3 Rd7+ 47. Ke3 Rc7 48. a4 g5 49. Qb4 Kf7 50. a5 g4 51. a6 g3 52. Qb7 Rd7 53. Qf3+ Ke8 54. Qxg3 Rc7 55. Kd4 Rc4+ 56. Kd3 Rg4 57. Qf3 Ra4 58. Qa8+ Kf7 59. Qxa7+ Kg6 60. Qb6 Kf5 61. a7 Bd5 62. Qb5 Be4+ 63. Ke3 Rxa7 64. e6+ 1-0

[Event "Leiden Noteboom Memorial 79th"]
[Site "Leiden"]
[Date "2019.02.23"]
[Round "4"]
[White "Elgersma, Simon"]
[Black "Damen, Jip"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2148"]
[BlackElo "2170"]
[PlyCount "53"]
[EventDate "2019.02.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Qe2 0-0 6. e5 dxe5 7. dxe5 Nd5 8. h3 Be6 9. 0-0 Nd7 10. c3 c6 11. Re1 Qc7 12. Na3 a5 13. Nc2 b5 14. Bd3 Nc5 15. Ncd4 Nxd3 16. Qxd3 Rad8 17. Qe4 Bc8 18. Qh4 f6 19. Bh6 Bxh6 20. Qxh6 Rf7 21. Re4 Rg7 22. Rae1 g5 23. exf6 Nxf6 24. Qxg7+ Kxg7 25. Rxe7+ Qxe7 26. Rxe7+ Kf8 27. Rc7 1-0

[Event "Leiden Noteboom Memorial 79th"]
[Site "Leiden"]
[Date "2019.02.23"]
[Round "3"]
[White "Lahaye, Rick"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2411"]
[BlackElo "2148"]
[PlyCount "155"]
[EventDate "2019.02.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 e6 2. e3 Nf6 3. Bd3 d5 4. Nd2 c5 5. c3 Nbd7 6. Ngf3 Bd6 7. 0-0 0-0 8. Re1 e5 9. e4 cxd4 10. cxd4 Re8 11. exd5 exd4 12. Ne4 Ne5 13. Bg5 Bg4 14. Bxf6 gxf6 15. Be2 f5 16. Nxd6 Qxd6 17. Qxd4 Bxf3 18. Bxf3 Re7 19. Re3 Rae8 20. Rae1 f6 21. Kh1 Rd8 22. Bd1 Kh8 23. h3 Nc6 24. Qh4 Ne5 25. Bb3 Ng6 26. Qd4 Re5 27. Qxa7 Qb4 28. Rxe5 fxe5 29. Qe3 f4 30. Qe2 Re8 31. Qe4 Qd2 32. Re2 Qc1+ 33. Kh2 Qc7 34. f3 Qe7 35. d6 Qxd6 36. Bf7 Re7 37. Bxg6 hxg6 38. Rc2 Kg7 39. Rc8 Qe6 40. Ra8 Rd7 41. Qb4 Qf6 42. Rb8 Qf7 43. Qc5 Re7 44. Qc8 Kh6 45. Qh8+ Qh7 46. Qf6 Rf7 47. Qxe5 Rf5 48. Qh8 Qxh8 49. Rxh8+ Kg7 50. Rd8 Rb5 51. b3 Kf6 52. Rd4 Ke5 53. Rc4 Rd5 54. Rb4 b5 55. h4 Kf5 56. Kh3 Rc5 57. g3 fxg3 58. Kxg3 Kf6 59. Kg4 Rd5 60. Rf4+ Ke6 61. a4 Rd3 62. Rb4 bxa4 63. bxa4 Ra3 64. Rb6+ Kf7 65. Ra6 Ra1 66. Ra7+ Kf6 67. a5 Ra4+ 68. f4 Ra1 69. Ra6+ Kg7 70. Ra8 Kh7 71. a6 Kg7 72. a7 Ra3 73. h5 gxh5+ 74. Kxh5 Ra5+ 75. Kg4 Kh7 76. f5 Kg7 77. f6+ Kh7 78. f7 1-0

[Event "Leiden Noteboom Memorial 79th"]
[Site "Leiden"]
[Date "2019.02.22"]
[Round "1"]
[White "Van den Bergh, Ben G"]
[Black "Elgersma, Simon"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1997"]
[BlackElo "2148"]
[PlyCount "36"]
[EventDate "2019.02.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Ngf3 c5 6. c3 Nc6 7. Qe2 Qc7 8. g3 Ndxe5 9. Bg2 Be7 10. 0-0 0-0 11. Re1 Bf6 12. c4 Rd8 13. cxd5 exd5 14. Nxe5 Nxe5 15. f4 Bg4 16. Nf3 Nc6 17. h3 Nd4 18. Qf1 Bxf3 0-1

[Event "Oberliga Nord W 1819"]
[Site "Germany"]
[Date "2019.02.03"]
[Round "6.2"]
[White "Margraf, Daniel"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2257"]
[BlackElo "2186"]
[PlyCount "139"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Delmenhorst"]
[BlackTeam "Nordhorn Blanke"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. exd5 Qxd5 6. Bc4 Qd7 7. 0-0 Nc6 8. Nb3 a6 9. a4 Qc7 10. Nbxd4 Bd7 11. Re1 Nge7 12. b3 Nxd4 13. Qxd4 Nf5 14. Qg4 0-0-0 15. Bf4 Bd6 16. Bxd6 Nxd6 17. Ne5 Nxc4 18. Nxc4 Bc6 19. Ne5 h5 20. Qe2 Rd4 21. Nc4 Re4 22. Qd2 Rd8 23. Qc3 Rxe1+ 24. Qxe1 Qf4 25. Ne3 h4 26. h3 Qe4 27. b4 f5 28. b5 axb5 29. axb5 Bd5 30. Qc3+ Kd7 31. Qxg7+ Ke8 32. Qg6+ Ke7 33. Re1 Rf8 34. Qh7+ Ke8 35. Qh5+ Kd7 36. Qd1 Rg8 37. f3 Qxf3 38. Qd2 f4 39. Nxd5 Qxd5 40. Qxd5+ exd5 41. Rf1 Rf8 42. Rf3 Kd6 43. Kf2 Ke5 44. Rc3 Rf7 45. Rc8 d4 46. Kf3 Rg7 47. Rc5+ Kd6 48. Rc8 Ke5 49. Rc5+ Kd6 50. Rh5 Rg3+ 51. Kxf4 Rxg2 52. Ke4 Rxc2 53. Kxd4 Rd2+ 54. Kc4 Rc2+ 55. Kb4 Rb2+ 56. Ka5 Kc7 57. Rh7+ Kb8 58. Rxh4 Ka7 59. Rh6 b6+ 60. Ka4 Kb7 61. Rh7+ Kc8 62. h4 Rg2 63. h5 Rg4+ 64. Kb3 Rg5 65. Kb4 Rg4+ 66. Kc3 Rg5 67. h6 Rxb5 68. Rg7 Rh5 69. h7 Kb8 70. Rg8+ 1-0

[Event "Oberliga Nord W 1819"]
[Site "Germany"]
[Date "2019.01.20"]
[Round "5.2"]
[White "Elgersma, Simon"]
[Black "Ewert, Hannes"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2186"]
[BlackElo "2314"]
[PlyCount "55"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Nordhorn Blanke"]
[BlackTeam "Hellern"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nf6 7. Bg5 h6 8. Bh4 0-0 9. Qe2 Nd4 10. Qd3 Nxb3 11. axb3 d6 12. Nd5 g5 13. Nxb6 cxb6 14. Bg3 Nxe4 15. 0-0-0 Bf5 16. Qd5 Qf6 17. f3 Nxg3 18. hxg3 Rac8 19. Bc4 Rc6 20. Rxh6 Qxh6 21. Qxf5 Kg7 22. Qd7 Qf6 23. Rd5 Rc5 24. Rxd6 Qe5 25. Re6 Qxg3 26. Qd4+ Kh7 27. Qe4+ Kg7 28. Rg6+ 1-0

[Event "Groningen op 56th"]
[Site "Groningen"]
[Date "2018.12.30"]
[Round "9"]
[White "Keuning, Selwin"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2013"]
[BlackElo "2200"]
[PlyCount "133"]
[EventDate "2018.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 f6 7. 0-0 fxe5 8. Nxe5 Nxe5 9. dxe5 Qc7 10. c4 0-0-0 11. Nc3 d4 12. Ne4 Qxe5 13. Bf3 Nf6 14. Ng5 Qc7 15. Nf7 Bd6 16. Nxd8 Rxd8 17. h3 e5 18. Re1 Bf5 19. Bg5 Re8 20. Bxf6 gxf6 21. Qa4 Rg8 22. Bd5 Rg7 23. Qe8+ Qd8 24. Be6+ Bxe6 25. Qxe6+ Qd7 26. Qxf6 Rg8 27. Qh4 Qg7 28. Qg4+ Qxg4 29. hxg4 Rxg4 30. f3 Rg7 31. Kf2 b5 32. b3 Rb7 33. Rab1 Kd7 34. Rh1 Kc6 35. Rbe1 bxc4 36. bxc4 Rb4 37. Rh6 Kc7 38. Rxh7+ Kb6 39. Re2 Rxc4 40. Rb2+ Kc6 41. Rxa7 Rc1 42. g4 d3 43. Ra6+ Kd5 44. Rb7 Rc2+ 45. Ke1 c4 46. Rd7 Kd4 47. Raxd6+ Ke3 48. Kf1 Kxf3 49. Rf7+ Ke3 50. g5 d2 51. g6 Rc3 52. Kg2 Rd3 53. Rf3+ Ke2 54. Rf2+ Ke1 55. Rxd3 cxd3 56. g7 d1Q 57. Rf1+ Ke2 58. Rxd1 Kxd1 59. g8Q e4 60. Qg4+ Kc1 61. Qxe4 d2 62. Qc4+ Kb1 63. Qd3+ Kc1 64. Qc3+ Kd1 65. Kf3 Ke1 66. Ke3 Kf1 67. Qxd2 1-0

[Event "Groningen op 56th"]
[Site "Groningen"]
[Date "2018.12.29"]
[Round "8"]
[White "Elgersma, Simon"]
[Black "Simet, Martin"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2200"]
[BlackElo "2229"]
[PlyCount "72"]
[EventDate "2018.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Be6 7. Bxe6 fxe6 8. Nf3 Bd6 9. Bg5 a6 10. 0-0-0 Ke7 11. Nd2 h6 12. Bh4 b5 13. a4 g5 14. Bg3 Nc6 15. axb5 axb5 16. Nxb5 Ra1+ 17. Nb1 Nxe4 18. Rhe1 Nxg3 19. hxg3 Bb4 20. Re4 Rb8 21. c4 Bc5 22. f3 Bf2 23. g4 Nb4 24. N5c3 c6 25. Rh1 Bd4 26. Kd2 Na2 27. Kc2 Nxc3 28. bxc3 Ra2+ 29. Kd3 Bc5 30. Ree1 Rd8+ 31. Ke4 Ra4 32. f4 Rxc4+ 33. Kf3 Rxf4+ 34. Kg3 Rd3+ 35. Kh2 Rxg4 36. g3 Rgxg3 0-1

[Event "Groningen op 56th"]
[Site "Groningen"]
[Date "2018.12.28"]
[Round "7"]
[White "Zwirs, Jasper"]
[Black "Elgersma, Simon"]
[Result "0-1"]
[ECO "C12"]
[WhiteElo "2127"]
[BlackElo "2200"]
[PlyCount "56"]
[EventDate "2018.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. exf6 hxg5 7. fxg7 Rg8 8. Qd3 Qf6 9. 0-0-0 Bd7 10. h4 Nc6 11. Qe3 Bxc3 12. Qxc3 gxh4 13. Nf3 Qxg7 14. Rxh4 0-0-0 15. g3 Rh8 16. Bb5 Rxh4 17. Nxh4 Ne7 18. Bd3 Qf6 19. Rd2 Kb8 20. f4 Rg8 21. Bf1 c5 22. Qf3 cxd4 23. Bd3 Qg7 24. Rg2 f6 25. f5 e5 26. Bf1 Qg5+ 27. Kb1 e4 28. Qf2 Nxf5 0-1

[Event "Groningen op 56th"]
[Site "Groningen"]
[Date "2018.12.27"]
[Round "6"]
[White "Elgersma, Simon"]
[Black "De Boer, Eelke"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2200"]
[BlackElo "2327"]
[PlyCount "98"]
[EventDate "2018.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bd3 Ngf6 6. Re1 e5 7. c3 b5 8. Bc2 Be7 9. d4 0-0 10. a4 Bb7 11. axb5 axb5 12. Rxa8 Qxa8 13. d5 c4 14. Nbd2 Qa5 15. Nf1 b4 16. cxb4 Qxb4 17. Ne3 Rc8 18. Qe2 Ba6 19. Bd2 Qb5 20. Nf5 Bf8 21. Bc3 Nc5 22. N3h4 Nd3 23. Rf1 Qc5 24. Qf3 Kh8 25. Ra1 Bb5 26. Nh6 Be8 27. N6f5 Nxe4 28. Bxd3 Nxc3 29. Bc2 Nxd5 30. Nh6 Nb4 31. Nxf7+ Bxf7 32. Bxh7 Kxh7 33. Qxf7 e4 34. Qg6+ Kh8 35. Qe6 Nd3 36. Ng6+ Kh7 37. Qxe4 Qxf2+ 38. Kh1 Kh6 39. Qe6 Qf6 40. Qxc8 Kxg6 41. Qxc4 Qf5 42. Qg8 Nf2+ 43. Kg1 Ne4 44. h3 d5 45. Ra6+ Bd6 46. Qe8+ Kh7 47. Ra1 Bc5+ 48. Kh1 Ng3+ 49. Kh2 Qf4 0-1

[Event "Groningen op 56th"]
[Site "Groningen"]
[Date "2018.12.26"]
[Round "5"]
[White "Hilwerda, Jonas"]
[Black "Elgersma, Simon"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2128"]
[BlackElo "2200"]
[PlyCount "72"]
[EventDate "2018.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. c3 d5 5. Bd3 Nbd7 6. Ne5 Bd6 7. f4 Qc7 8. Nd2 0-0 9. 0-0 b6 10. Rf3 Bb7 11. Qc2 c4 12. Be2 b5 13. Rh3 Ne4 14. Nxe4 dxe4 15. Nxd7 Qxd7 16. Bd2 Qc6 17. Qd1 a5 18. Qe1 Rfc8 19. Qh4 h6 20. g4 Qd5 21. g5 Be7 22. Qg4 Qf5 23. Qh5 b4 24. Kf2 Bf8 25. Rg1 g6 26. gxh6 Kh7 27. Qh4 Rc7 28. Bg4 Qd5 29. Qf6 Qd8 30. Qe5 f6 31. Qxe6 Ra6 32. f5 g5 33. Bh5 Rxe6 34. Bg6+ Kh8 35. fxe6 Qd6 36. Bf5 Bd5 0-1

[Event "Groningen op 56th"]
[Site "Groningen"]
[Date "2018.12.24"]
[Round "4"]
[White "Elgersma, Simon"]
[Black "Nicolai, Amir"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2200"]
[BlackElo "2074"]
[PlyCount "85"]
[EventDate "2018.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Nf6 7. Nc3 Nd7 8. Be3 e5 9. Qd2 h6 10. Nh2 Qe7 11. 0-0 Nf8 12. f4 exf4 13. Rxf4 Ne6 14. Rf2 Nd4 15. Raf1 Be6 16. Nf3 g5 17. Bxd4 cxd4 18. Ne2 Qd6 19. Qa5 c5 20. Qb5+ Qc6 21. Qxc6+ bxc6 22. b3 Ke7 23. g4 Kd6 24. Ng3 Be5 25. Nh5 Rhg8 26. Kg2 Rg6 27. Nd2 Ke7 28. Nf3 Kd6 29. Ng1 Rf8 30. Ne2 f6 31. Neg3 Ke7 32. Nf5+ Bxf5 33. exf5 Rgg8 34. Re2 Kf7 35. Rfe1 Re8 36. Kf3 Rh8 37. Re4 Rhg8 38. R4e2 Rh8 39. a3 a5 40. Rb1 Bd6 41. Rbe1 Rxe2 42. Rxe2 Be5 43. a4 1/2-1/2

[Event "Groningen op 56th"]
[Site "Groningen"]
[Date "2018.12.23"]
[Round "2"]
[White "Elgersma, Simon"]
[Black "Van Randtwijk, Mick"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2200"]
[BlackElo "2030"]
[PlyCount "74"]
[EventDate "2018.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 h5 8. g3 Be6 9. Bg2 Nbd7 10. Nd5 Bxd5 11. exd5 g6 12. 0-0 Bg7 13. a4 0-0 14. a5 Qc7 15. b3 b5 16. axb6 Nxb6 17. Ba3 Nfd7 18. c4 a5 19. Nc3 Nc8 20. Nb5 Qb6 21. b4 axb4 22. Bxb4 Rxa1 23. Qxa1 Re8 24. Qa8 Bf8 25. Ra1 Qd8 26. Qc6 e4 27. Ra8 e3 28. fxe3 Ne5 29. Qc7 Qg5 30. Be1 Nd3 31. Bd2 Qf5 32. Ra2 Qf2+ 33. Kh1 Ne1 34. Bxe1 Qxe1+ 35. Kh2 Rxe3 36. Bf1 Qxg3+ 37. Kh1 Re1 0-1

[Event "Groningen op 56th"]
[Site "Groningen"]
[Date "2018.12.23"]
[Round "3"]
[White "Van Leusden, Dennis"]
[Black "Elgersma, Simon"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "2016"]
[BlackElo "2200"]
[PlyCount "100"]
[EventDate "2018.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. e4 0-0 6. Be2 e5 7. Be3 Ng4 8. Bg5 f6 9. Bh4 g5 10. Bg3 Nh6 11. c5 Nc6 12. cxd6 cxd6 13. dxe5 dxe5 14. Qxd8 Rxd8 15. Bc4+ Kf8 16. h3 Nf7 17. 0-0 Nd6 18. Bb3 h5 19. Rfd1 h4 20. Bh2 Na5 21. Bd5 Bd7 22. Nd2 Rac8 23. f3 Ke8 24. Kf1 Bf8 25. Bg1 b6 26. Rac1 Nb5 27. Ndb1 Bb4 28. a3 Nxc3 29. Nxc3 Bxc3 30. Rxc3 Rxc3 31. bxc3 Rc8 32. Rc1 Bb5+ 33. Ke1 Bc4 34. Bxc4 Rxc4 35. Be3 Kd7 36. Ke2 Kc6 37. Kd3 Ra4 38. Ra1 Nc4 39. Bc1 b5 40. Kc2 Nb6 41. Be3 Nc4 42. Bc1 Nb6 43. Be3 Nc8 44. Kb3 a5 45. Rd1 Nd6 46. Bc1 Rc4 47. Be3 Nf7 48. Rd5 f5 49. Bxg5 fxe4 50. fxe4 Rxe4 0-1

[Event "Groningen op 56th"]
[Site "Groningen"]
[Date "2018.12.22"]
[Round "1"]
[White "Ladva, Ottomar"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2497"]
[BlackElo "2200"]
[PlyCount "89"]
[EventDate "2018.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 d6 4. d4 Bg7 5. Bg2 Bf5 6. 0-0 Qc8 7. Re1 0-0 8. Bb2 Nc6 9. Nbd2 Re8 10. e4 Bh3 11. d5 Nb4 12. a3 Na6 13. c4 Nxe4 14. Bxg7 Nxd2 15. Bb2 Bxg2 16. Kxg2 Nxf3 17. Qxf3 Qf5 18. Qc3 f6 19. Re3 Nc5 20. Rae1 c6 21. Rxe7 Rxe7 22. Rxe7 Rf8 23. Qe3 Rf7 24. Re8+ Kg7 25. dxc6 bxc6 26. Rd8 Rd7 27. h4 Rxd8 28. Qe7+ Kh6 29. Bc1+ g5 30. hxg5+ fxg5 31. Qxd8 Nd3 32. Qxd6+ Kh5 33. Be3 Ne5 34. Qd1+ g4 35. Qh1+ Kg6 36. Qh6+ Kf7 37. Qf4 Qxf4 38. gxf4 Nd3 39. Bxa7 h5 40. Be3 Ke6 41. a4 h4 42. a5 Nb4 43. Bd2 Na6 44. b4 Nc7 45. Bc3 1-0

[Event "Oberliga Nord W 1819"]
[Site "Germany"]
[Date "2018.12.16"]
[Round "4.4"]
[White "Renner, Kai"]
[Black "Elgersma, Simon"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "2159"]
[BlackElo "2186"]
[PlyCount "108"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Hameln"]
[BlackTeam "Nordhorn Blanke"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 c5 5. dxc5 Nf6 6. Qe2 a5 7. Ngf3 Na6 8. 0-0 Nxc5 9. e5 Nxd3 10. cxd3 Nd7 11. Nb3 a4 12. Nbd4 Nc5 13. Bd2 Qb6 14. Bc3 Bd7 15. a3 0-0 16. Rac1 Rfc8 17. Rfd1 Rc7 18. g3 Rac8 19. Kg2 Nb3 20. Nxb3 axb3 21. Qd2 Qa6 22. d4 Rc4 23. Ne1 Qc6 24. Ra1 f6 25. Nd3 Be8 26. Re1 Bg6 27. exf6 Bxf6 28. Ne5 Bxe5 29. Rxe5 Rxc3 30. bxc3 Qxc3 31. Qxc3 Rxc3 32. Ree1 b2 33. Rab1 Bxb1 34. Rxb1 Rc2 35. Kf3 Kf7 36. h4 Ke7 37. Ke3 Kd6 38. f3 Kc6 39. Kd3 Rg2 40. Kc3 Rxg3 41. Rxb2 Rxf3+ 42. Kb4 Rd3 43. Rc2+ Kd7 44. Rg2 Kc6 45. Rg4 h5 46. Rf4 Rg3 47. Rf7 Rd3 48. Rf4 b5 49. a4 bxa4 50. Kxa4 Rg3 51. Rf8 Rg4 52. Re8 Kd7 53. Rg8 Rxd4+ 54. Kb5 Rxh4 0-1

[Event "Oberliga Nord W 1819"]
[Site "Germany"]
[Date "2018.11.25"]
[Round "3.2"]
[White "Varga, Zoltan"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2448"]
[BlackElo "2186"]
[PlyCount "57"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Tostedt"]
[BlackTeam "Nordhorn Blanke"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nbd7 7. Nh3 c6 8. Nf2 a6 9. a4 a5 10. Be2 e5 11. d5 c5 12. g4 Ne8 13. Qd2 Bf6 14. g5 Be7 15. Ng4 Ng7 16. f4 f5 17. Nh6+ Kh8 18. h4 exf4 19. Bxf4 Ne5 20. 0-0-0 Ng4 21. Bxg4 fxg4 22. Rdf1 Bd7 23. e5 Nf5 24. exd6 Bxd6 25. Bxd6 Nxd6 26. Qe3 Qe8 27. Rxf8+ Qxf8 28. Qe5+ Qg7 29. Qxd6 1-0

[Event "Oberliga Nord W 1819"]
[Site "Germany"]
[Date "2018.11.11"]
[Round "2.2"]
[White "Elgersma, Simon"]
[Black "Polster, Christian"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2186"]
[BlackElo "2294"]
[PlyCount "98"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Nordhorn Blanke"]
[BlackTeam "Lister Turm"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nf3 c6 4. Nc3 d5 5. h3 dxe4 6. Nxe4 Nd7 7. Bd3 Ngf6 8. Nxf6+ Nxf6 9. 0-0 Qd6 10. Re1 0-0 11. Qe2 Re8 12. c3 Nd5 13. Ne5 f6 14. Nxg6 hxg6 15. Bxg6 Bd7 16. Qh5 Nf4 17. Qh7+ Kf8 18. g3 Nxh3+ 19. Kf1 Qd5 20. Bh6 Qh1+ 21. Ke2 Ng1+ 22. Rxg1 Bg4+ 23. Kd3 Qxh6 24. Qxh6 Bxh6 25. Rh1 Kg7 26. Bxe8 Rxe8 27. f4 e5 28. Rh4 e4+ 29. Ke3 Bf3 30. g4 Rh8 31. Rh5 Bxg4 32. Rg1 Kg6 33. Rh4 Bxf4+ 34. Kxf4 Rxh4 35. Rxg4+ Rxg4+ 36. Kxg4 f5+ 37. Kf4 Kf6 38. c4 Ke6 39. Ke3 Kd6 40. a4 b6 41. Kf4 Kc7 42. Ke3 b5 43. b3 bxa4 44. bxa4 Kb6 45. Kf4 Ka5 46. c5 Kb4 47. a5 Kc4 48. Ke5 e3 49. d5 e2 0-1

[Event "Hoogeveen op 22nd"]
[Site "Hoogeveen"]
[Date "2018.10.27"]
[Round "9"]
[White "Elgersma, Simon"]
[Black "Van Foreest, Machteld"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2237"]
[BlackElo "1934"]
[PlyCount "86"]
[EventDate "2018.10.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Ne2 b5 9. c3 Rb8 10. g3 b4 11. cxb4 cxd4 12. Nexd4 Bxb4+ 13. Kf2 Nxd4 14. Bxd4 Bc5 15. b3 Qb6 16. Rc1 a5 17. Kg2 Bxd4 18. Nxd4 Ba6 19. Rc6 Bxf1+ 20. Rxf1 Qb4 21. a3 Qb7 22. Qh5 0-0 23. Rfc1 Rfc8 24. f5 g6 25. fxg6 hxg6 26. Qg5 Nf8 27. h4 Nh7 28. Qg4 Rxc6 29. Rxc6 Rc8 30. Rd6 a4 31. h5 axb3 32. hxg6 b2 33. gxh7+ Kh8 34. Qg5 b1Q 35. Qf6+ Kxh7 36. Qh4+ Kg8 37. Rd8+ Rxd8 38. Qxd8+ Kg7 39. Qf6+ Kh7 40. Qh4+ Kg6 41. Qf6+ Kh5 42. Qh4+ Kg6 43. Qf6+ Kh7 1/2-1/2

[Event "Hoogeveen op 22nd"]
[Site "Hoogeveen"]
[Date "2018.10.26"]
[Round "8"]
[White "Van Dorp, Folke"]
[Black "Elgersma, Simon"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2097"]
[BlackElo "2237"]
[PlyCount "62"]
[EventDate "2018.10.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. h4 cxd4 8. cxd4 Qc3+ 9. Bd2 Qxd4 10. Nf3 Qe4+ 11. Be2 Ne7 12. h5 Nf5 13. Kf1 b6 14. Bb5+ Nd7 15. Bd3 Qg4 16. Rb1 Bb7 17. Rb4 d4 18. Be2 Nxe5 19. Rh2 Qe4 20. Ng5 Qd5 21. Rb5 Qd6 22. Bf4 f6 23. Nf3 Bd5 24. g4 Nh6 25. Nxd4 Rd8 26. Rh3 Nhxg4 27. c3 Nh6 28. Qc1 Nhf7 29. Rg3 g5 30. hxg6 hxg6 31. Rxg6 Nxg6 0-1

[Event "Hoogeveen op 22nd"]
[Site "Hoogeveen"]
[Date "2018.10.25"]
[Round "7"]
[White "Elgersma, Simon"]
[Black "Vroombout, Enrico"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2237"]
[BlackElo "2132"]
[PlyCount "100"]
[EventDate "2018.10.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ngf3 a5 8. 0-0 a4 9. Re1 cxd4 10. cxd4 Bb4 11. a3 Be7 12. Nf1 Nb6 13. Ng3 h5 14. Ne2 Na5 15. Be3 Nb3 16. Rb1 Bd7 17. Nc3 Bc6 18. Qe2 Rc8 19. Red1 Bd7 20. Nb5 Nc4 21. Bxc4 Rxc4 22. Nd6+ Bxd6 23. exd6 f6 24. Nh4 g5 25. Qd3 gxh4 26. Qg6+ Kf8 27. Bh6+ Rxh6 28. Qxh6+ Kg8 29. Qg6+ Kf8 30. Qxh5 Be8 31. Qh8+ Kf7 32. Qh7+ Kf8 33. Qh8+ Kf7 34. Qh7+ Kf8 35. Rd3 Qxd6 36. Rf3 f5 37. g4 Nxd4 38. Rh3 fxg4 39. Qh8+ Ke7 40. Qxh4+ Kd7 41. Qxg4 Qf4 42. Rh7+ Kc6 43. Qg7 Qg5+ 44. Qxg5 Nf3+ 45. Kg2 Nxg5 46. Rh8 Bg6 47. Re1 Rg4+ 48. Kh1 Be4+ 49. Rxe4 Nxe4 50. f3 Nf2# 0-1

[Event "Hoogeveen op 22nd"]
[Site "Hoogeveen"]
[Date "2018.10.24"]
[Round "6"]
[White "Colijn, Stefan"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2340"]
[BlackElo "2237"]
[PlyCount "51"]
[EventDate "2018.10.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 d6 5. g3 e5 6. Bg2 0-0 7. 0-0 Re8 8. Nc3 Nc6 9. d3 Bd7 10. h3 Qc8 11. Kh2 Ne7 12. Rc1 Nf5 13. e4 Ne7 14. d4 Nc6 15. dxe5 dxe5 16. Re1 h5 17. Qd2 Nd4 18. Nxe5 h4 19. Nd5 hxg3+ 20. fxg3 c5 21. Nd3 Nxd5 22. cxd5 Bxh3 23. Rxc5 Qg4 24. Bxd4 Bxg2 25. Nf2 Qf3 26. Rc3 1-0

[Event "Hoogeveen op 22nd"]
[Site "Hoogeveen"]
[Date "2018.10.23"]
[Round "5"]
[White "Elgersma, Simon"]
[Black "Dev, Shah"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2237"]
[BlackElo "2146"]
[PlyCount "64"]
[EventDate "2018.10.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. Nc3 d6 8. a3 0-0 9. 0-0 Be6 10. Nd5 Na5 11. Nxf6+ Bxf6 12. Bxe6 fxe6 13. b4 Nc6 14. c3 d5 15. Qc2 Qd7 16. a4 Rad8 17. Be3 Rfe8 18. Rfc1 d4 19. cxd4 Nxb4 20. Qb3 a5 21. dxe5 bxa4 22. Qc4 Nxd3 23. exf6 Nxc1 24. f7+ Qxf7 25. Rxc1 Qd7 26. h3 a3 27. Bd4 Qe7 28. Bc5 Qd7 29. Ne5 Qd2 30. Bxa3 Qd4 31. Qxc7 Qxe4 32. Bb2 Rb8 1-0

[Event "Hoogeveen op 22nd"]
[Site "Hoogeveen"]
[Date "2018.10.22"]
[Round "3"]
[White "Elgersma, Simon"]
[Black "Hilwerda, Jonas"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "2237"]
[BlackElo "2109"]
[PlyCount "64"]
[EventDate "2018.10.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. a4 b4 8. a5 0-0 9. 0-0 d6 10. Nbd2 Be6 11. Nc4 Nd4 12. Nxd4 exd4 13. Bd2 d5 14. exd5 Nxd5 15. Re1 Bg5 16. Qf3 Re8 17. Bxg5 Qxg5 18. Ba4 Bg4 19. Qg3 Rxe1+ 20. Rxe1 h6 21. Bc6 Rd8 22. Bxd5 Rxd5 23. Qxc7 Be6 24. Qg3 Qd8 25. Ne5 Qxa5 26. Nc6 Qc5 27. Qb8+ Kh7 28. Nxb4 Rd6 29. Ra1 a5 30. Na2 Rb6 31. Qa7 Bxa2 32. Rxa2 Re6 0-1

[Event "Hoogeveen op 22nd"]
[Site "Hoogeveen"]
[Date "2018.10.22"]
[Round "4"]
[White "Hoffman, Ron"]
[Black "Elgersma, Simon"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2060"]
[BlackElo "2237"]
[PlyCount "72"]
[EventDate "2018.10.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 d6 5. Be2 0-0 6. 0-0 Nbd7 7. h3 c5 8. c3 b6 9. Nbd2 Bb7 10. Bh2 Rc8 11. a4 a6 12. Bd3 Rc7 13. Qe2 Qa8 14. e4 cxd4 15. cxd4 e5 16. dxe5 dxe5 17. Nxe5 Nxe5 18. Bxe5 Rd7 19. Bc3 Rfd8 20. Bc2 Nh5 21. Nc4 Bxc3 22. bxc3 Qb8 23. Rad1 Qc7 24. Bb3 Nf4 25. Qf3 Rxd1 26. Rxd1 Rxd1+ 27. Qxd1 Bxe4 28. Nd6 Bxg2 29. Bxf7+ Kf8 30. Qd2 g5 31. h4 Ke7 32. Bc4 Qxd6 33. Qe3+ Kd8 34. hxg5 Qd1+ 35. Kh2 Qh5+ 36. Kg3 Qxg5+ 0-1

[Event "Hoogeveen op 22nd"]
[Site "Hoogeveen"]
[Date "2018.10.21"]
[Round "2"]
[White "Kuipers, Stefan"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "C12"]
[WhiteElo "2467"]
[BlackElo "2237"]
[PlyCount "67"]
[EventDate "2018.10.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bc1 Ne4 7. Qg4 Kf8 8. Nge2 c5 9. a3 h5 10. Qf4 Ba5 11. dxc5 Nd7 12. b4 Nxc3 13. Nxc3 Bc7 14. Qd2 Nxe5 15. Bb2 Qf6 16. Nd1 Qg6 17. Ne3 Bd7 18. f4 Ng4 19. Bd3 Qh6 20. g3 Nxe3 21. Qxe3 h4 22. Rf1 e5 23. 0-0-0 Re8 24. Qd2 hxg3 25. hxg3 exf4 26. gxf4 Bg4 27. Rde1 Rxe1+ 28. Qxe1 Bh3 29. Rg1 Qxf4+ 30. Kb1 f6 31. Rxg7 Bd8 32. Rxb7 Bg2 33. Qe6 Rh1+ 34. Ka2 1-0

[Event "Hoogeveen op 22nd"]
[Site "Hoogeveen"]
[Date "2018.10.20"]
[Round "1"]
[White "Elgersma, Simon"]
[Black "Oord, Raymon"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2237"]
[BlackElo "1900"]
[PlyCount "87"]
[EventDate "2018.10.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 Bg4 7. h3 Bh5 8. Be2 Be7 9. d5 Nbd7 10. 0-0 0-0 11. Be3 Re8 12. g4 Bg6 13. Nd2 Bf8 14. Bd4 Ne4 15. Ndxe4 Bxe4 16. Nxe4 Rxe4 17. f3 Re7 18. f4 Qe8 19. Bf3 Nb6 20. b3 Nd7 21. Qd2 f6 22. Kg2 Qf7 23. h4 Rae8 24. a4 a6 25. a5 Nc5 26. Bxc5 dxc5 27. d6 cxd6 28. Bd5 Re2+ 29. Rf2 Rxd2 30. Bxf7+ Kxf7 31. Rxd2 Re4 32. Kf3 Rb4 33. Ra4 Rxa4 34. bxa4 Ke6 35. c4 Kd7 36. Ke4 Be7 37. Rb2 Kc8 38. Kd5 Bd8 39. Re2 Kd7 40. Rb2 Kc7 41. Rb6 Kc8 42. Rxd6 Bxa5 43. Ke6 Bc7 44. Rd7 1-0

[Event "Vlissingen HZ op 22nd"]
[Site "Vlissingen"]
[Date "2018.08.11"]
[Round "9"]
[White "Bezemer, Arno J"]
[Black "Elgersma, Simon"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2295"]
[BlackElo "2136"]
[PlyCount "102"]
[EventDate "2018.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nc6 6. Bb5 Bd7 7. Nxc6 bxc6 8. Bd3 Bd6 9. Qe2 e5 10. f4 exf4 11. exd5+ Ne7 12. Ne4 Be5 13. Ng5 Qc7 14. dxc6 Bxc6 15. Bc4 Bd5 16. Bxd5 Qa5+ 17. Qd2 Qxd2+ 18. Bxd2 Nxd5 19. 0-0-0 f6 20. Rhe1 0-0 21. Nf3 Rfe8 22. c4 Rac8 23. b3 Kf7 24. Kc2 g5 25. Kd3 Nb6 26. Nxe5+ fxe5 27. Ke4 Ke6 28. Bc3 Nd7 29. Kf3 Rc7 30. Bxe5 Nxe5+ 31. Rxe5+ Kxe5 32. Re1+ Kf5 33. Rxe8 g4+ 34. Ke2 h5 35. Rf8+ Ke4 36. Re8+ Kf5 37. Kd3 Rd7+ 38. Kc2 f3 39. Rf8+ Ke4 40. gxf3+ gxf3 41. c5 Ke3 42. b4 f2 43. a4 Rd4 44. Rxf2 Kxf2 45. Kc3 Ke3 46. c6 Rd8 47. Kc4 Ke4 48. a5 Ke5 49. Kc5 Rd5+ 50. Kc4 Rd1 51. Kb5 Kd6 0-1

[Event "Vlissingen HZ op 22nd"]
[Site "Vlissingen"]
[Date "2018.08.10"]
[Round "8"]
[White "Elgersma, Simon"]
[Black "Den Dunnen, Lola"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2136"]
[BlackElo "1935"]
[PlyCount "109"]
[EventDate "2018.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nf6 7. Bg5 Qe7 8. Qe2 Qe6 9. 0-0-0 0-0 10. f3 d6 11. Kb1 Nd7 12. g4 a5 13. a4 Nc5 14. Nxc5 Bxc5 15. Nd5 Nb4 16. Qc4 Nxd5 17. exd5 Qd7 18. Bd3 c6 19. Qe4 f5 20. gxf5 Qxf5 21. Qh4 Qh3 22. Bxh7+ Kh8 23. Be4+ Qxh4 24. Bxh4 Bd7 25. Be7 Rf7 26. Bxd6 Bxd6 27. dxc6 Bxc6 28. Rxd6 Bxa4 29. Rd5 Rf6 30. Rhd1 Re8 31. Rxa5 Bc6 32. Rh5+ Kg8 33. Bh7+ Kf8 34. Bd3 Rxf3 35. Rg1 Rfe3 36. Rh8+ Ke7 37. Rxg7+ Kd6 38. Rxe8 Rxe8 39. Ka2 Rh8 40. Rh7 Ra8+ 41. Kb3 Ra1 42. h4 Rh1 43. h5 Ke5 44. h6 Kf6 45. Rh8 Rh3 46. h7 Be4 47. Rf8+ Kg7 48. h8Q+ Rxh8 49. Rxh8 Bxd3 50. cxd3 Kxh8 51. Kc4 Kg7 52. Kc5 Kf6 53. Kb6 Ke5 54. Kxb7 Kd4 55. b4 1-0

[Event "Vlissingen HZ op 22nd"]
[Site "Vlissingen"]
[Date "2018.08.09"]
[Round "7"]
[White "Henrichs, Thomas"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2486"]
[BlackElo "2136"]
[PlyCount "111"]
[EventDate "2018.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Be3 Ng4 10. Bd2 f5 11. h3 Nf6 12. exf5 gxf5 13. g3 Na6 14. Be3 Qe8 15. Qd2 Kh7 16. Nh4 Nc5 17. Qc2 Nfe4 18. Nxe4 Nxe4 19. Bd3 Ng5 20. 0-0-0 e4 21. Be2 Bd7 22. Ng2 Ba4 23. b3 Bd7 24. Nf4 a4 25. b4 a3 26. Bh5 Bb2+ 27. Kb1 Ba4 28. Qxb2 axb2 29. Bxe8 Rfxe8 30. Rdf1 Nf3 31. Kxb2 Ne5 32. Rc1 Bd7 33. Rc3 Ra4 34. a3 Rea8 35. Rhc1 c6 36. Bd4 Nf3 37. Bf6 c5 38. b5 Ng5 39. Re1 Re8 40. h4 Nf7 41. Kb3 Rea8 42. Ra1 b6 43. Re3 R4a7 44. a4 Re8 45. Bc3 Ne5 46. a5 Rea8 47. axb6 Rxa1 48. Bxa1 Nxc4 49. Kxc4 Rxa1 50. b7 Rc1+ 51. Rc3 Rb1 52. Ra3 Rc1+ 53. Kb3 Rb1+ 54. Kc3 Rxb5 55. Ra7 Rb6 56. Ne6 1-0

[Event "Vlissingen HZ op 22nd"]
[Site "Vlissingen"]
[Date "2018.08.08"]
[Round "6"]
[White "Elgersma, Simon"]
[Black "Advait, Bagri"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2136"]
[BlackElo "1926"]
[PlyCount "79"]
[EventDate "2018.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 d6 8. a3 0-0 9. Nc3 Na5 10. Ba2 Be6 11. Bxe6 fxe6 12. b4 Nc6 13. Bd2 d5 14. Qe2 Qd6 15. Rfb1 Rfb8 16. Qe1 Nd7 17. Na2 Nb6 18. Nc1 Rf8 19. Nb3 Qd8 20. Qe2 Bd6 21. Rc1 Qe7 22. Be3 dxe4 23. dxe4 Nc4 24. Nfd2 Nxe3 25. Qxe3 a5 26. c4 Qd7 27. cxb5 Nd4 28. Nxa5 Qxb5 29. Ndc4 Rf4 30. Nb3 Qb7 31. f3 Rd8 32. Rd1 Nxb3 33. Qxb3 Bc5+ 34. Kh1 Bd4 35. Nxe5 Rd6 36. Rxd4 Rxd4 37. Qxe6+ Kf8 38. Nc6 Rd6 39. Qe7+ Kg8 40. Qe8+ 1-0

[Event "Vlissingen HZ op 22nd"]
[Site "Vlissingen"]
[Date "2018.08.07"]
[Round "5"]
[White "De Jong, Migchiel"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2339"]
[BlackElo "2136"]
[PlyCount "151"]
[EventDate "2018.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Be7 7. Be3 0-0 8. Qd2 a6 9. Bd3 b5 10. 0-0 Nc6 11. Nd1 b4 12. Nf2 a5 13. c3 Ba6 14. Bxa6 Rxa6 15. Qe2 Ra7 16. cxb4 axb4 17. dxc5 Ra5 18. Nd3 Nxc5 19. Rfc1 d4 20. Bf2 Qd5 21. Nd2 Rfa8 22. Nc4 Nxd3 23. Qxd3 Rxa2 24. Rxa2 Rxa2 25. Nb6 Qa5 26. Qc4 Ra1 27. Qxc6 Rxc1+ 28. Qxc1 Qxb6 29. Qc8+ Bf8 30. Qd7 Qc5 31. Bxd4 Qc1+ 32. Kf2 Qxf4+ 33. Kg1 h5 34. h3 Kh7 35. Kh1 g6 36. b3 Qf1+ 37. Kh2 Bh6 38. Qa7 Bf4+ 39. g3 Qe2+ 40. Bf2 Bxe5 41. Qxf7+ Bg7 42. Kg2 e5 43. Qf3 Qc2 44. g4 e4 45. Qe3 Qc6 46. Qc5 Qb7 47. Be3 Qf7 48. gxh5 Qf3+ 49. Kh2 gxh5 50. Qg5 Bf6 51. Qg3 Qf5 52. Kg2 h4 53. Qg4 Qxg4+ 54. hxg4 Kg6 55. Bc5 Bc3 56. Be3 Kf6 57. Kh3 Be1 58. Bf4 Ke6 59. Kg2 Kd5 60. Be3 Ke5 61. Kh3 Kd5 62. g5 Ke5 63. Kg4 Bg3 64. Bd2 Kd4 65. g6 Be5 66. Bxb4 Kd3 67. Be1 Ke2 68. Bxh4 Kd3 69. Kf5 Bg7 70. b4 Kc4 71. Kxe4 Kxb4 72. Kd5 Kb5 73. Ke6 Kc6 74. Kf7 Bh6 75. Bg5 Kd7 76. Bxh6 1-0

[Event "Vlissingen HZ op 22nd"]
[Site "Vlissingen"]
[Date "2018.08.06"]
[Round "4"]
[White "Elgersma, Simon"]
[Black "Osinga, Angelique"]
[Result "1-0"]
[ECO "C79"]
[WhiteElo "2136"]
[BlackElo "1937"]
[PlyCount "57"]
[EventDate "2018.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6 6. c3 Bd7 7. Re1 g6 8. d4 b5 9. Bc2 Bg7 10. Nbd2 0-0 11. h3 Nh5 12. Nf1 Na5 13. b4 Nc6 14. Rb1 a5 15. a3 Qc8 16. Be3 a4 17. Bd3 Ne7 18. dxe5 dxe5 19. c4 c6 20. Bc5 Re8 21. Rc1 Nf4 22. cxb5 Bxh3 23. gxh3 Qxh3 24. Ne3 Nxd3 25. Qxd3 Qxf3 26. Bxe7 Rxe7 27. bxc6 Bh6 28. Qe2 Qxe4 29. Rc4 1-0

[Event "Vlissingen HZ op 22nd"]
[Site "Vlissingen"]
[Date "2018.08.05"]
[Round "2"]
[White "Elgersma, Simon"]
[Black "Sandipan, Chanda"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2136"]
[BlackElo "2554"]
[PlyCount "69"]
[EventDate "2018.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. Be3 Nf6 6. h3 0-0 7. Bd3 Nbd7 8. 0-0 e5 9. a4 b6 10. Qd2 Bb7 11. Rad1 exd4 12. Nxd4 Re8 13. Bh6 Bh8 14. Nf3 Qc7 15. Rfe1 Rad8 16. Qf4 Nc5 17. Qh4 Nxd3 18. cxd3 Nd7 19. d4 a6 20. Bf4 Nf8 21. e5 dxe5 22. Nxe5 f6 23. Ng4 Qd7 24. Ne4 Rxe4 25. Nh6+ Kg7 26. Rxe4 Re8 27. Rxe8 Qxe8 28. Ng4 Nd7 29. Bd2 h5 30. Re1 Qd8 31. Qg3 Nf8 32. Nxf6 c5 33. Nxh5+ Kg8 34. Nf4 Kh7 35. Ne6 1-0

[Event "Vlissingen HZ op 22nd"]
[Site "Vlissingen"]
[Date "2018.08.05"]
[Round "3"]
[White "Ravi, Teja Sanka"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2374"]
[BlackElo "2136"]
[PlyCount "59"]
[EventDate "2018.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. Be2 c5 7. dxc5 Qa5 8. Nd2 Qxc5 9. Nb3 Qb6 10. Nb5 Na6 11. a4 Bd7 12. Be5 Bxb5 13. axb5 Nc7 14. Bd4 Qd6 15. 0-0 b6 16. Ra4 Qd7 17. Qa1 Nxb5 18. Bxb6 Qb7 19. Bc5 Ne4 20. Bxe7 Nbc3 21. Bxf8 Nxe2+ 22. Kh1 Rxf8 23. Qe1 Qb5 24. Rb4 Qa6 25. c4 Qd6 26. cxd5 Bxb2 27. Rxe4 Qxd5 28. Qxe2 Qxe4 29. Qxb2 Qd3 30. Qb1 1-0

[Event "Pardubice Czech op-A 29th"]
[Site "Pardubice"]
[Date "2018.07.26"]
[Round "7"]
[White "Nguyen, Alex Dac Vuong"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2175"]
[BlackElo "2263"]
[PlyCount "117"]
[EventDate "2018.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Qe2 0-0 6. e5 Ne8 7. h3 d5 8. Bd3 c6 9. 0-0 Nc7 10. c3 a5 11. Re1 Ne6 12. Ng5 c5 13. Nxe6 Bxe6 14. dxc5 Qc7 15. Na3 Nd7 16. Bf4 Nxc5 17. Bc2 Bd7 18. Rad1 Ne6 19. Bg3 Qc5 20. Bd3 Bh6 21. Qg4 Rfd8 22. Bf5 Bg7 23. Bxe6 Bxe6 24. Qd4 Rdc8 25. Qxc5 Rxc5 26. f3 Rcc8 27. Bf4 b5 28. Nxb5 Rab8 29. a4 Rc4 30. Rd4 Rb7 31. b3 Rc8 32. Re3 h6 33. Kf1 g5 34. Bg3 Bf8 35. Bf2 Bd7 36. Rxd5 e6 37. Rdd3 Bxb5 38. axb5 Rxb5 39. c4 Rb7 40. Re4 Rcb8 41. c5 Rxb3 42. Rxb3 Rxb3 43. Rc4 a4 44. c6 Rb8 45. Rxa4 Rb1+ 46. Ke2 Rc1 47. Ra6 Bc5 48. Kd2 Rc4 49. Kd3 Rc1 50. Be1 Be7 51. Bc3 Rd1+ 52. Kc2 Rd8 53. Ba5 Rc8 54. Kb3 f6 55. c7 Kf7 56. Kc4 fxe5 57. Kb5 Bf8 58. Kc6 Ke8 59. Rb6 1-0

[Event "Pardubice Czech op-A 29th"]
[Site "Pardubice"]
[Date "2018.07.25"]
[Round "6"]
[White "Elgersma, Simon"]
[Black "Haba, Petr"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2263"]
[BlackElo "2445"]
[PlyCount "104"]
[EventDate "2018.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Qg4 f6 8. Bb5+ Kf8 9. Nf3 Qa5 10. Rb1 a6 11. Bd3 c4 12. Be2 Qxc3+ 13. Bd2 Qxc2 14. Rc1 Qg6 15. Qh3 Nc6 16. 0-0 f5 17. Ne1 Qf7 18. Nc2 h6 19. f4 Nge7 20. Rb1 Kg8 21. Rb6 Kh7 22. Rfb1 Rd8 23. Qc3 Rd7 24. Ne3 Rc7 25. Bc1 Nd8 26. Qa5 Nec6 27. Qc3 Bd7 28. Bd1 Na7 29. a4 Nc8 30. R6b2 b5 31. Ra2 bxa4 32. Ba3 Raa7 33. Bb4 Rcb7 34. Rba1 Ra8 35. Bxa4 Bxa4 36. Rxa4 Nc6 37. Bc5 a5 38. R4a2 Rab8 39. h3 Rb3 40. Qe1 Qb7 41. g4 Rb1 42. Rxb1 Qxb1 43. Qxb1 Rxb1+ 44. Kf2 g6 45. h4 h5 46. gxf5 gxf5 47. Kf3 Nb6 48. Rg2 Nd7 49. Rg5 Kh6 50. Rg8 Rb8 51. Rg2 Nxc5 52. dxc5 Nd4+ 0-1

[Event "Pardubice Czech op-A 29th"]
[Site "Pardubice"]
[Date "2018.07.24"]
[Round "5"]
[White "Meissner, Felix"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2354"]
[BlackElo "2263"]
[PlyCount "65"]
[EventDate "2018.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 c5 6. Ne2 Nc6 7. Be3 e5 8. Bxc6+ bxc6 9. dxe5 Qxd1+ 10. Kxd1 Ng4 11. Nd2 Nxe3+ 12. fxe3 Be6 13. Nf4 0-0-0 14. Nxe6 fxe6 15. Ke2 g5 16. Nc4 Rd5 17. c3 Bg7 18. e4 Rd7 19. Rad1 Rhd8 20. Rxd7 Rxd7 21. Rf1 Kc7 22. Rf3 h5 23. Rh3 h4 24. Rf3 Re7 25. g3 hxg3 26. Rxg3 Bh6 27. Rh3 Bf8 28. Rf3 Bg7 29. Kf2 Bh8 30. Kg2 Bg7 31. Kg3 Bh8 32. Kg4 Rh7 33. Rh3 1-0

[Event "Pardubice Czech op-A 29th"]
[Site "Pardubice"]
[Date "2018.07.23"]
[Round "4"]
[White "Elgersma, Simon"]
[Black "Danek, Pavel"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2263"]
[BlackElo "1904"]
[PlyCount "79"]
[EventDate "2018.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Be7 6. Bd3 h6 7. Be3 Ngf6 8. Nxf6+ Nxf6 9. Qe2 Nd5 10. Bd2 c6 11. 0-0-0 Qc7 12. Kb1 Nf4 13. Bxf4 Qxf4 14. Ne5 Bd6 15. g3 Qf6 16. f4 Bd7 17. Be4 0-0-0 18. Nc4 Bc7 19. a4 Kb8 20. a5 a6 21. Qe3 Bc8 22. Rd3 g5 23. Rhd1 gxf4 24. Qf3 e5 25. d5 Bd6 26. dxc6 Bc7 27. cxb7 Be6 28. Nd6 Rxd6 29. Rxd6 Bxd6 30. b3 Bc7 31. Qe2 Bf5 32. Bxf5 Bxa5 33. Bh3 f3 34. Qc4 Bc7 35. Qe4 f2 36. Qe2 Bb6 37. Qg4 Kxb7 38. Bg2+ Kb8 39. Qe4 Qe7 40. Qa8+ 1-0

[Event "Pardubice Czech op-A 29th"]
[Site "Pardubice"]
[Date "2018.07.22"]
[Round "3"]
[White "Kyrychenko, Maryan"]
[Black "Elgersma, Simon"]
[Result "0-1"]
[ECO "E75"]
[WhiteElo "2152"]
[BlackElo "2263"]
[PlyCount "78"]
[EventDate "2018.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 e6 8. Qd2 exd5 9. exd5 Qb6 10. Nf3 Bf5 11. Nh4 Ne4 12. Nxe4 Bxe4 13. f3 h6 14. Bxh6 Bxh6 15. Qxh6 Qxb2 16. Rc1 Re8 17. Qe3 Nd7 18. fxe4 Rxe4 19. Qxe4 Qxc1+ 20. Bd1 Nf6 21. Qd3 Re8+ 22. Kf1 Qf4+ 23. Nf3 Re3 24. Qc2 Ng4 25. Qb2 Qxc4+ 26. Be2 Qf4 27. h3 Nf6 28. h4 Ne4 29. Rh3 Rc3 30. Bd1 Rc1 31. Qe2 Nc3 32. Qe8+ Kg7 33. h5 Rxd1+ 34. Kf2 Ne4+ 35. Ke2 Re1+ 36. Nxe1 Qd2+ 37. Kf3 Qf2+ 38. Kxe4 Qe2+ 39. Re3 f5+ 0-1

[Event "Pardubice Czech op-A 29th"]
[Site "Pardubice"]
[Date "2018.07.20"]
[Round "1"]
[White "Nguyen, Thai Dai Van"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2546"]
[BlackElo "2263"]
[PlyCount "99"]
[EventDate "2018.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Qd2 a6 9. Be2 0-0 10. 0-0 b5 11. a3 Bb7 12. Nd1 b4 13. axb4 cxb4 14. Bd3 a5 15. Ng5 Bxg5 16. fxg5 Ba6 17. Bxa6 Rxa6 18. Qe2 Qc8 19. Rf3 Ne7 20. Bd2 Rc6 21. Ne3 Qc7 22. Raf1 Qa7 23. Qf2 Qxd4 24. Rxf7 Rcc8 25. c3 Qe4 26. cxb4 axb4 27. h3 Qg6 28. Rf4 Rxf4 29. Qxf4 Nc6 30. Bxb4 Nxb4 31. Qxb4 Qxg5 32. Ng4 Rf8 33. Rxf8+ Nxf8 34. Qc3 h5 35. Nh2 Qf4 36. Nf3 g5 37. Qd4 Qc1+ 38. Kh2 Ng6 39. b4 Nf4 40. Qb6 g4 41. Qd8+ Kg7 42. Qf6+ Kg8 43. Ng5 g3+ 44. Kxg3 Ne2+ 45. Kf2 Qg1+ 46. Kxe2 Qxg2+ 47. Kd3 Qg3+ 48. Kc2 Qg2+ 49. Kb3 Qg3+ 50. Ka4 1-0

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2018.07.15"]
[Round "9"]
[White "Elgersma, Simon"]
[Black "Van Baar, Esper"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2263"]
[BlackElo "2252"]
[PlyCount "41"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 Nf6 5. Re1 Bd7 6. h3 a6 7. Bf1 Ne5 8. Nxe5 dxe5 9. a4 Bc6 10. d3 b5 11. Be3 e6 12. Nd2 Be7 13. Nb3 Nd7 14. axb5 axb5 15. Rxa8 Qxa8 16. Qd2 0-0 17. Ra1 Qb7 18. Na5 Qa6 19. Nxc6 Qxc6 20. Be2 Ra8 21. Rxa8+ 1/2-1/2

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2018.07.14"]
[Round "8"]
[White "Kossen, Johannes"]
[Black "Elgersma, Simon"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2095"]
[BlackElo "2263"]
[PlyCount "60"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d6 5. Bg2 0-0 6. 0-0 Bf5 7. Nh4 Be4 8. f3 Bc6 9. Nc3 e5 10. d5 Bd7 11. e4 Nh5 12. Bd2 a5 13. Qc2 Na6 14. Be3 f5 15. Bh3 Nf4 16. Bxf4 exf4 17. exf5 Bd4+ 18. Kh1 fxg3 19. hxg3 g5 20. Ng2 Qf6 21. Ne1 Nb4 22. Qd2 Bxf5 23. Bxf5 Qxf5 24. Qxd4 Qh3+ 25. Kg1 Nc2 26. Nxc2 Qxg3+ 27. Kh1 Qh3+ 28. Kg1 Qg3+ 29. Kh1 Qh3+ 30. Kg1 Qg3+ 1/2-1/2

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2018.07.13"]
[Round "7"]
[White "Elgersma, Simon"]
[Black "Mesman, Edwyn"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2263"]
[BlackElo "2100"]
[PlyCount "60"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. 0-0 0-0 11. a4 Be7 12. Nd5 Nd7 13. Bc4 Nb6 14. Nxb6 Qxb6 15. Bxe6 fxe6 16. Qd3 Rf4 17. c4 Raf8 18. a5 Qc5 19. b3 Bd8 20. Rfd1 Bc7 21. Ra2 h6 22. h3 R8f7 23. Ra4 g5 24. b4 Qc6 25. b5 Qxe4 26. Qxe4 Rxe4 27. b6 Bb8 28. Ra3 Rxc4 29. Rad3 d5 30. Re3 e4 0-1

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2018.07.12"]
[Round "6"]
[White "Bogaard, Milo"]
[Black "Elgersma, Simon"]
[Result "0-1"]
[ECO "E72"]
[WhiteElo "2073"]
[BlackElo "2263"]
[PlyCount "78"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Nge2 e5 7. 0-0 c6 8. d4 Nbd7 9. h3 Qc7 10. Be3 Re8 11. d5 a6 12. Qd2 cxd5 13. cxd5 b5 14. Rfc1 Qb8 15. Rc2 Nb6 16. b3 Bd7 17. a4 b4 18. Nd1 a5 19. Nb2 Rc8 20. Rac1 Ne8 21. Kh2 Qb7 22. Rxc8 Rxc8 23. Rxc8 Bxc8 24. Qc2 Bd7 25. Nc4 Nxc4 26. Qxc4 h5 27. Nc1 Bf6 28. Nd3 Bd8 29. f4 f6 30. fxe5 fxe5 31. Bc1 Bb6 32. Bb2 Qc8 33. Qc1 Qxc1 34. Nxc1 Nf6 35. Nd3 Bc8 36. Bxe5 dxe5 37. Nxe5 Bc7 38. Nc4 Ba6 39. Nd2 h4 0-1

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2018.07.11"]
[Round "5"]
[White "Elgersma, Simon"]
[Black "Cornelisse, Ticho"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2263"]
[BlackElo "2074"]
[PlyCount "93"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. h3 b5 5. a3 Nbd7 6. Be3 Bb7 7. f4 e5 8. Nf3 Qc7 9. Bd3 a6 10. 0-0 Be7 11. Qe1 0-0 12. g4 c5 13. d5 c4 14. Be2 Nc5 15. Nd2 exf4 16. Bxf4 Rae8 17. Qg3 Nfd7 18. Kh2 Ne5 19. Rae1 Ng6 20. g5 Nxf4 21. Rxf4 Bc8 22. Ref1 Bd8 23. h4 Qe7 24. b4 cxb3 25. cxb3 Nd7 26. Bg4 Bb6 27. b4 Bd4 28. Ne2 Be5 29. Kh1 Nb6 30. Qg1 Bxf4 31. Nxf4 Bxg4 32. Qxb6 Rc8 33. Qg1 Rc2 34. Qxg4 Rxd2 35. Nh5 Qe5 36. Ng3 Qb2 37. Nf5 Qe5 38. Ng3 g6 39. h5 gxh5 40. Qh4 Rc8 41. Nxh5 Qc3 42. Nf6+ Kf8 43. Qg4 Qc4 44. Qf5 Rc7 45. Nxh7+ Ke8 46. g6 Kd8 47. g7 1-0

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2018.07.10"]
[Round "4"]
[White "Hoekstra, Peter"]
[Black "Elgersma, Simon"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2031"]
[BlackElo "2263"]
[PlyCount "93"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Qd2 0-0 9. dxc5 Qa5 10. 0-0-0 b6 11. Bb5 Nb4 12. a3 bxc5 13. Kb1 Nb6 14. axb4 cxb4 15. Nd4 bxc3 16. Nc6 Qxb5 17. Nxe7+ Kh8 18. Qxc3 Nc4 19. f5 Rb8 20. b3 Bd7 21. f6 Rfc8 22. fxg7+ Kxg7 23. Nxc8 Rxc8 24. Bh6+ Kxh6 25. Qh3+ Kg7 26. Rhf1 Nd2+ 27. Rxd2 Qxf1+ 28. Kb2 Qe1 29. Qg4+ Kf8 30. Qf4 Ke8 31. Qg5 Qe4 32. Qg8+ Ke7 33. Qg5+ Kf8 34. Rd3 Qg6 35. Qh4 Ke8 36. Rc3 Rxc3 37. Kxc3 Qxg2 38. Qxh7 Qg5 39. Qh8+ Ke7 40. h4 d4+ 41. Kb2 Qf4 42. h5 Qf2 43. Qb8 Qh2 44. Qd6+ Ke8 45. Qb8+ Ke7 46. Qd6+ Ke8 47. Qb8+ 1/2-1/2

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2018.07.09"]
[Round "3"]
[White "Elgersma, Simon"]
[Black "Romkes, Abel"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2263"]
[BlackElo "2018"]
[PlyCount "50"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. Re1 0-0 8. c3 d6 9. d4 Bb6 10. a4 Rb8 11. Na3 Bg4 12. axb5 axb5 13. Nxb5 Bxf3 14. gxf3 Nh5 15. Be3 Qf6 16. Kh1 exd4 17. cxd4 Ba5 18. Nc3 Bxc3 19. bxc3 Rxb3 20. Qxb3 Qxf3+ 21. Kg1 Qg4+ 22. Kf1 Nf4 23. Reb1 Qe2+ 24. Kg1 Qg4+ 25. Kf1 Qe2+ 1/2-1/2

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2018.07.08"]
[Round "2"]
[White "Gouw, Carol Peter"]
[Black "Elgersma, Simon"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2005"]
[BlackElo "2263"]
[PlyCount "91"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. g3 Bg7 5. Bg2 c5 6. Nge2 Nc6 7. 0-0 0-0 8. d3 Ne8 9. Be3 Nc7 10. h3 Nd4 11. Rb1 Rb8 12. b4 b6 13. f4 Bd7 14. b5 e6 15. a4 Qe7 16. Bf2 e5 17. a5 Nxe2+ 18. Nxe2 f5 19. axb6 axb6 20. exf5 gxf5 21. Qc2 Qf6 22. Ra1 Rf7 23. Ra7 Ne6 24. Nc3 exf4 25. Nd5 Qg6 26. Nxf4 Nxf4 27. gxf4 Bc6 28. bxc6 Rxa7 29. Kh2 Kh8 30. Bd5 Re7 31. Rg1 Qf6 32. Rg2 Rbe8 33. Qa4 Bh6 34. Bg3 Rg7 35. c7 Rf8 36. Qc6 Rc8 37. Re2 Qf8 38. Qxb6 Rcxc7 39. Qxd6 Rce7 40. Re6 Qe8 41. Rxe7 Rxe7 42. Qxh6 Re2+ 43. Kh1 Re1+ 44. Bxe1 Qxe1+ 45. Kh2 Qg1+ 46. Kxg1 1/2-1/2

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2018.07.07"]
[Round "1"]
[White "Elgersma, Simon"]
[Black "Spiler, Angelo"]
[Result "1/2-1/2"]
[ECO "B75"]
[WhiteElo "2263"]
[BlackElo "2049"]
[PlyCount "113"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 Bd7 9. 0-0-0 Rc8 10. Kb1 a6 11. g4 h5 12. g5 Nh7 13. h4 0-0 14. f4 Bg4 15. Be2 Bxe2 16. Ncxe2 Qc7 17. f5 Nxd4 18. Nxd4 Qc4 19. Rhf1 Be5 20. b3 Qc3 21. Qe2 a5 22. Rd3 Qb4 23. Qd2 Qxd2 24. Bxd2 a4 25. Nf3 Bg7 26. Bb4 Rc6 27. Rfd1 Rfc8 28. R1d2 Bc3 29. Bxc3 Rxc3 30. Kb2 a3+ 31. Kxa3 Rxc2 32. Kb4 Nf8 33. a4 Nd7 34. Rxc2 Rxc2 35. f6 Nc5 36. Rd4 exf6 37. gxf6 Rf2 38. Ng5 Rxf6 39. e5 Na6+ 40. Kb5 dxe5 41. Rd8+ Kg7 42. Rd7 Nb8 43. Rxb7 Nc6 44. a5 Nd4+ 45. Kc5 Ne6+ 46. Nxe6+ Rxe6 47. Rb6 Re8 48. a6 e4 49. a7 e3 50. Rb8 Re5+ 51. Kd4 e2 52. a8Q e1Q 53. Rg8+ Kh7 54. Rh8+ Kg7 55. Rg8+ Kh7 56. Rh8+ Kg7 57. Rg8+ 1/2-1/2

