[Event "Groningen op 57th"]
[Site "Groningen"]
[Date "2019.12.30"]
[Round "9"]
[White "Maatman, Nick"]
[Black "Haan, Gertjan"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2400"]
[BlackElo "1936"]
[PlyCount "75"]
[EventDate "2019.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Bf5 5. Qb3 Nc6 6. e3 Qd7 7. Nf3 a6 8. Bd2 e6 9. Na4 Rd8 10. Rc1 Nf6 11. Qb6 Ne4 12. Bxa6 Nxd2 13. Nxd2 bxa6 14. Rxc6 Bd3 15. Nc5 Bxc5 16. Qxc5 Qe7 17. Nf3 f6 18. Kd2 Bb5 19. Qxe7+ Kxe7 20. Rc7+ Rd7 21. Rhc1 Rb8 22. b3 a5 23. a4 Rxc7 24. Rxc7+ Bd7 25. Kc3 Rc8 26. Rxc8 Bxc8 27. b4 axb4+ 28. Kxb4 Kd6 29. Nd2 Kc6 30. f4 Kd6 31. a5 e5 32. Kb5 g5 33. fxe5+ fxe5 34. Kb6 exd4 35. exd4 Bd7 36. Nf3 Bc6 37. Nxg5 Ba8 38. Nxh7 1-0

[Event "Groningen op 57th"]
[Site "Groningen"]
[Date "2019.12.29"]
[Round "8"]
[White "Haan, Gertjan"]
[Black "Van Dael, Siem"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "1936"]
[BlackElo "2255"]
[PlyCount "59"]
[EventDate "2019.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Bxc5 Nc6 10. Nd5 e6 11. Ne7+ Nxe7 12. Bxe7 Rd7 13. Ba3 b6 14. Rd1 Ba6 15. b3 Rad8 16. Rxd7 Nxd7 17. Bb4 Ne5 18. Bd2 f5 19. exf5 exf5 20. Nh3 Nc6 21. Nf4 Nd4 22. Nd5 Bb7 23. Bd3 Bxd5 24. cxd5 b5 25. Be3 Rxd5 26. Bxd4 Bxd4 27. Kd2 Bf6 28. g3 Rc5 29. Rc1 Rxc1 30. Kxc1 1/2-1/2

[Event "Groningen op 57th"]
[Site "Groningen"]
[Date "2019.12.28"]
[Round "7"]
[White "Sodoma, Jan"]
[Black "Haan, Gertjan"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2312"]
[BlackElo "1936"]
[PlyCount "131"]
[EventDate "2019.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 e6 6. g3 Bb4 7. Bg2 d5 8. 0-0 0-0 9. cxd5 Bxc3 10. bxc3 Nxd4 11. Qxd4 Nxd5 12. Rd1 Qc7 13. c4 Nb4 14. Qc3 Nc6 15. Ba3 Rd8 16. h4 Bd7 17. Bd6 Qc8 18. Rab1 Be8 19. Be4 f6 20. g4 e5 21. Qg3 Nd4 22. Rxd4 exd4 23. Bxb7 Qxc4 24. g5 fxg5 25. Bxa8 Rxa8 26. Qxg5 h6 27. Qg3 Qf7 28. Rb4 Rc8 29. Rxd4 Rc1+ 30. Kg2 Bc6+ 31. e4 Rc2 32. Bf4 Re2 33. Be3 Qe6 34. Qf4 Qg6+ 35. Kf3 Rxa2 36. Rd8+ Kh7 37. Rd6 Qh5+ 38. Kg3 Be8 39. Bd4 Ra3+ 40. f3 Ra5 41. Re6 Bd7 42. Rd6 Qe8 43. Qd2 Rh5 44. Bxg7 Be6 45. Bc3 Qg6+ 46. Kf2 Rxh4 47. Rd7+ Bf7 48. Be5 Rh1 49. Bg3 Qb6+ 50. Qd4 Qb3 51. Kg2 Rh5 52. Qxa7 Qc2+ 53. Qf2 Qc4 54. Qd2 Rg5 55. e5 Kg7 56. Qb2 Qf4 57. e6+ Kg6 58. Qf2 Bxe6 59. Rd4 Qf5 60. Rh4 Qe5 61. Kh2 Qf5 62. Bf4 Rh5 63. Qg3+ Kf7 64. Rxh5 Qxh5+ 65. Kg2 Qg6 66. Qxg6+ 1/2-1/2

[Event "Groningen op 57th"]
[Site "Groningen"]
[Date "2019.12.27"]
[Round "6"]
[White "Haan, Gertjan"]
[Black "Van Roon, Sjoerd"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "1936"]
[BlackElo "2080"]
[PlyCount "77"]
[EventDate "2019.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Be2 d6 6. Be3 e5 7. d5 Nbd7 8. g4 Ne8 9. h4 c6 10. h5 Nb6 11. Qd2 cxd5 12. cxd5 f5 13. hxg6 hxg6 14. gxf5 gxf5 15. Bh6 f4 16. Bxg7 Nxg7 17. Nf3 Bg4 18. 0-0-0 Nc4 19. Qd3 Rc8 20. Rdg1 Qb6 21. b3 Ne3 22. fxe3 Rxc3+ 23. Qxc3 Rc8 24. Bc4 Bxf3 25. exf4 Bxh1 26. Rxh1 Qd8 27. Qh3 b5 28. Qh8+ Kf7 29. Qxd8 Rxd8 30. Bxb5 exf4 31. Rh4 Kf6 32. Rxf4+ Kg6 33. Be2 Ne8 34. Bd3 Kg5 35. Rf8 Rb8 36. a4 Rxb3 37. Kc2 Rb8 38. Bb5 a6 39. Rxe8 1-0

[Event "Groningen op 57th"]
[Site "Groningen"]
[Date "2019.12.26"]
[Round "5"]
[White "Bruil, Rembrandt"]
[Black "Haan, Gertjan"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2206"]
[BlackElo "1936"]
[PlyCount "119"]
[EventDate "2019.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. b3 e5 7. dxe5 dxe5 8. Ba3 Qxd1 9. Rxd1 Re8 10. Nc3 e4 11. Nd2 e3 12. fxe3 c6 13. Nc4 Na6 14. Rab1 Bf5 15. Rd2 Bh6 16. Nd1 Ng4 17. h3 Nxe3 18. Ndxe3 Rxe3 19. g4 Be6 20. Rbd1 Bxc4 21. Rd8+ Re8 22. Rxa8 Rxa8 23. bxc4 Be3+ 24. Kf1 Nc5 25. Bxc5 Bxc5 26. Rd7 Rb8 27. Rd3 Kf8 28. Ke1 Re8 29. h4 Re7 30. Kd2 Ke8 31. h5 Rd7 32. Bf3 Ke7 33. Kc3 Rxd3+ 34. cxd3 Ke6 35. d4 Be7 36. Kd3 Bg5 37. hxg6 hxg6 38. e4 f6 39. e5 fxe5 40. d5+ Kd6 41. dxc6 bxc6 42. Be4 c5 43. Bxg6 Ke6 44. Ke4 Bd2 45. Bf5+ Kf6 46. Kd5 Bb4 47. Kd6 Ba3 48. Kd5 Bb4 49. Bc8 a5 50. Bf5 Ba3 51. Kc6 Kg5 52. Kb5 Bb4 53. Kc6 e4 54. Bxe4 Kxg4 55. Kb5 Kf4 56. Bd5 Ke5 57. Ka4 Kd4 58. a3 Be1 59. Kb5 Bc3 60. a4 1/2-1/2

[Event "Groningen op 57th"]
[Site "Groningen"]
[Date "2019.12.24"]
[Round "4"]
[White "Haan, Gertjan"]
[Black "Krasenkova, Ilena"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "1936"]
[BlackElo "2174"]
[PlyCount "52"]
[EventDate "2019.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 c6 2. c4 b5 3. cxb5 cxb5 4. Nf3 Nf6 5. Bf4 e6 6. e3 Bb7 7. Nbd2 a6 8. Bd3 Nc6 9. 0-0 Be7 10. h3 Qb6 11. a3 0-0 12. Qe2 Rac8 13. Rfc1 d6 14. Ng5 e5 15. dxe5 Nxe5 16. Bf5 Rxc1+ 17. Rxc1 g6 18. Bb1 Bd5 19. e4 Bc4 20. Nxc4 Nxc4 21. Nf3 Nh5 22. Bh6 Re8 23. g4 Ng7 24. Ba2 Bf6 25. Bxc4 bxc4 26. Qxc4 Qb7 1/2-1/2

[Event "Groningen op 57th"]
[Site "Groningen"]
[Date "2019.12.23"]
[Round "3"]
[White "Hilwerda, Jonas"]
[Black "Haan, Gertjan"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2228"]
[BlackElo "1936"]
[PlyCount "49"]
[EventDate "2019.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8. f4 Bb4 9. Bd3 Na5 10. a3 Bxc3 11. Qxc3 Qxc3+ 12. bxc3 d5 13. exd5 exd5 14. Nb3 Nc4 15. Bd4 Ne4 16. Nc5 Ncd6 17. 0-0-0 0-0 18. c4 Be6 19. cxd5 Bxd5 20. Nd7 Rfe8 21. Nb6 Rad8 22. Nxd5 Nf5 23. Bb6 Rd6 24. Bxe4 Rxe4 25. Bc5 1-0

[Event "Groningen op 57th"]
[Site "Groningen"]
[Date "2019.12.21"]
[Round "1"]
[White "Haan, Gertjan"]
[Black "Varshini, Veileven"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1936"]
[BlackElo "2227"]
[PlyCount "70"]
[EventDate "2019.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 0-0 6. e3 c5 7. dxc5 Bxc5 8. a3 Nc6 9. Qc2 Bd6 10. Bxd6 Qxd6 11. Rd1 Rd8 12. Be2 Qe7 13. cxd5 exd5 14. 0-0 Be6 15. Rd2 Rac8 16. Rfd1 Na5 17. Qa4 Qc7 18. Rd4 a6 19. Rh4 Nc4 20. Bxc4 dxc4 21. h3 Qb6 22. Rxd8+ Rxd8 23. Qc2 Qc5 24. Nd4 Bd7 25. Ne4 Nxe4 26. Qxe4 g6 27. Qxb7 Bc8 28. Qe4 h5 29. Nc6 Rd1+ 30. Kh2 Qd6+ 31. g3 Bb7 32. Qe8+ Kg7 33. Rxc4 Qd5 34. e4 Qxc4 35. Qe5+ Kh7 0-1

[Event "Groningen op-B 55th"]
[Site "Groningen"]
[Date "2017.12.30"]
[Round "9"]
[White "Haan, Gertjan"]
[Black "Beukema, Christiaan"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1830"]
[BlackElo "1797"]
[PlyCount "145"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. e3 0-0 6. Qc2 b6 7. cxd5 Nxd5 8. Nxd5 exd5 9. Bd3 h6 10. 0-0 Be6 11. Bd2 Nd7 12. Rac1 c5 13. Bh7+ Kh8 14. Bf5 Bxf5 15. Qxf5 Nf6 16. dxc5 bxc5 17. Rfd1 Qc8 18. Qxc8 Raxc8 19. Bc3 Rfd8 20. Rd3 c4 21. Rdd1 Ne4 22. Ba5 Rd6 23. Bb4 Nc5 24. b3 Rb6 25. Bxc5 Rxc5 26. Ne5 Rb7 27. bxc4 Bd6 28. Nf3 Rxc4 29. g3 Ba3 30. Rxc4 dxc4 31. Rd8+ Kh7 32. Rc8 Rb2 33. Rxc4 Rxa2 34. Ra4 Ra1+ 35. Kg2 Bb2 36. Rxa1 Bxa1 37. Kf1 a5 38. Ke2 a4 39. Kd3 a3 40. Kc4 Bf6 41. Kb3 Be7 42. Ne5 g5 43. Nxf7 Kg6 44. Ne5+ Kf5 45. f4 gxf4 46. exf4 Bd6 47. Nf7 Bxf4 48. gxf4 Kxf4 49. Nxh6 Kg5 50. Nf7+ Kh4 51. Ne5 Kh3 52. Nf3 Kg4 53. Ng1 Kh4 54. Kxa3 Kg4 55. Kb4 Kh4 56. Kc4 Kg4 57. Kd4 Kh4 58. Ke4 Kg4 59. h3+ Kg3 60. Kf5 Kh4 61. Kf4 Kh5 62. Nf3 Kg6 63. h4 Kh5 64. Kf5 Kh6 65. Kg4 Kg6 66. h5+ Kh6 67. Ne5 Kh7 68. Kg5 Kg7 69. Ng6 Kh7 70. h6 Kg8 71. Ne5 Kh7 72. Nf7 Kg8 73. Kg6 1-0

[Event "Groningen op-B 55th"]
[Site "Groningen"]
[Date "2017.12.29"]
[Round "8"]
[White "Beerdsen, Marco"]
[Black "Haan, Gertjan"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1611"]
[BlackElo "1830"]
[PlyCount "104"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c5 2. a3 e6 3. b4 cxb4 4. axb4 Bxb4 5. c3 Be7 6. d4 Nf6 7. e5 Nd5 8. Bd3 Nc6 9. Qg4 g6 10. Nf3 d6 11. 0-0 dxe5 12. dxe5 Qc7 13. Re1 Bd7 14. Bd2 Na5 15. Nd4 Nc4 16. Nxe6 Bxe6 17. Qxc4 Qxc4 18. Bxc4 Nc7 19. Bxe6 Nxe6 20. Be3 Bc5 21. Na3 Ke7 22. Bxc5+ Nxc5 23. Nb5 a6 24. Nd4 Rhc8 25. Re3 b5 26. f4 Na4 27. Ra3 Rc4 28. g3 Rac8 29. Ne2 R8c6 30. Rd3 Nb2 31. Rd2 Na4 32. Rd3 Nc5 33. Rd4 Ra4 34. Rdxa4 Nxa4 35. Kf2 Rc4 36. Ke3 Ke6 37. Nd4+ Kd5 38. Kd2 Nxc3 39. Rxc3 Rxd4+ 40. Ke3 Re4+ 41. Kd3 Rc4 42. Ra3 Rc6 43. Ra2 b4 44. Ra5+ Ke6 45. g4 b3 46. Ra1 Rb6 47. Kc3 b2 48. Rb1 g5 49. f5+ Kxe5 50. Rxb2 Rxb2 51. Kxb2 Kf4 52. h3 Kg3 0-1

[Event "Groningen op-B 55th"]
[Site "Groningen"]
[Date "2017.12.28"]
[Round "7"]
[White "Haan, Gertjan"]
[Black "Jelic, Bruno"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "1830"]
[BlackElo "2059"]
[PlyCount "98"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nf6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 Nh5 10. g3 f5 11. Ng5 Nf6 12. f3 h6 13. Ne6 Bxe6 14. dxe6 c6 15. Be3 d5 16. cxd5 cxd5 17. exd5 Nfxd5 18. Nxd5 Qxd5 19. Qxd5 Nxd5 20. Bc5 Rfc8 21. Bc4 Ne3 22. Bb3 Nxf1 23. e7+ Kh7 24. Rxf1 Bf6 25. Rd1 Rxc5 26. bxc5 Re8 27. c6 bxc6 28. Rd6 Kg7 29. Ba4 Bxe7 30. Rxc6 Rd8 31. Rc7 Kf6 32. Bb3 Rd2 33. Rc2 Rd3 34. Kg2 g5 35. Bc4 Rd4 36. Be2 a5 37. h3 h5 38. f4 gxf4 39. gxf4 Rxf4 40. Bxh5 Rd4 41. Be8 e4 42. Bc6 f4 43. Kf2 Ke5 44. Bb5 Bh4+ 45. Ke2 f3+ 46. Ke3 Bg5+ 47. Kf2 Kf4 48. Bf1 Rd1 49. Kg1 Kg3 0-1

[Event "Groningen op-B 55th"]
[Site "Groningen"]
[Date "2017.12.27"]
[Round "6"]
[White "Pompstra, Henk"]
[Black "Haan, Gertjan"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "1772"]
[BlackElo "1830"]
[PlyCount "68"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. e3 e6 4. Bd3 Nbd7 5. Nf3 Bd6 6. Nbd2 h6 7. Bh4 0-0 8. c3 Re8 9. Bg3 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Bxe5 Rxe5 13. Nf3 Re8 14. Nd4 c5 15. Nf5 d4 16. 0-0 Bxf5 17. Bxf5 dxe3 18. fxe3 Qxd1 19. Raxd1 Rxe3 20. Rfe1 Rxe1+ 21. Rxe1 Kf8 22. Kf2 Rd8 23. Re2 Re8 24. Rxe8+ Kxe8 25. h3 Ke7 26. Bc8 Ne4+ 27. Ke2 Nd6 28. Bg4 Kf6 29. Kd3 Ke5 30. Bf3 f5 31. c4 Kf4 32. Bd5 Kg3 33. b4 b6 34. bxc5 bxc5 1/2-1/2

[Event "Groningen op-B 55th"]
[Site "Groningen"]
[Date "2017.12.26"]
[Round "5"]
[White "Haan, Gertjan"]
[Black "Kastelijn, Toine"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "1830"]
[BlackElo "1937"]
[PlyCount "46"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 Nf6 3. Nc3 d5 4. d4 Bb4 5. cxd5 exd5 6. Bf4 0-0 7. e3 Re8 8. Qc2 Nbd7 9. Bd3 Nf8 10. 0-0 Ng6 11. Bg5 c6 12. h4 Qd6 13. Rae1 Ne4 14. Bxe4 dxe4 15. Nxe4 Qe6 16. Nc3 Qg4 17. e4 h6 18. Bd2 Nxh4 19. Nxh4 Qxh4 20. Re3 Bg4 21. Rfe1 Rad8 22. d5 Bc5 23. Rg3 Qxg3 0-1

[Event "Groningen op-B 55th"]
[Site "Groningen"]
[Date "2017.12.24"]
[Round "4"]
[White "Hofstra, Tijmen"]
[Black "Haan, Gertjan"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1546"]
[BlackElo "1830"]
[PlyCount "72"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Bb2 e6 4. Nc3 Nf6 5. f4 d5 6. e5 Nd7 7. Bb5 Qc7 8. Bxc6 Qxc6 9. d3 b5 10. Nf3 Nb6 11. Qd2 a5 12. a4 b4 13. Ne2 Bb7 14. Ng3 c4 15. Bd4 Rc8 16. 0-0 Bc5 17. f5 Rc7 18. Bxc5 Qxc5+ 19. d4 Qe7 20. Ng5 h6 21. f6 gxf6 22. exf6 Qd6 23. Nf3 Nd7 24. Nh4 Kd8 25. Nh5 Kc8 26. Rae1 Kb8 27. Nf3 Ba6 28. Rf2 cxb3 29. cxb3 Rc3 30. Ne5 Nxe5 31. dxe5 Qc7 32. Re3 Rc8 33. Rxc3 Qxc3 34. Qxc3 bxc3 35. Rc2 d4 36. Nf4 d3 0-1

[Event "Groningen op-B 55th"]
[Site "Groningen"]
[Date "2017.12.23"]
[Round "3"]
[White "Haan, Gertjan"]
[Black "Knol, Geon"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1830"]
[BlackElo "2097"]
[PlyCount "150"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 c6 2. c4 b5 3. cxb5 cxb5 4. e4 Bb7 5. Nd2 a6 6. Ngf3 Nf6 7. Bd3 e6 8. e5 Nd5 9. Ne4 h6 10. 0-0 Nc6 11. a3 b4 12. b3 a5 13. a4 Qb6 14. Bb2 Nf4 15. Bc2 Ba6 16. Re1 Rd8 17. Qd2 Nd5 18. Rad1 Be7 19. Bb1 Rc8 20. Rc1 0-0 21. Nc5 Bxc5 22. dxc5 Qd8 23. Qc2 g6 24. g3 Nce7 25. Nd4 Nf5 26. Qd2 Qg5 27. f4 Nxd4 28. Bxd4 Qe7 29. Be4 Bb7 30. Qd3 Rc7 31. Rc2 Rfc8 32. Rec1 Bc6 33. Qf3 Nc3 34. Bxc6 Rxc6 35. Bxc3 Qxc5+ 36. Qf2 bxc3 37. Qxc5 Rxc5 38. Kf2 f6 39. exf6 Kf7 40. Ke3 Kxf6 41. Kd3 g5 42. Rxc3 Rd5+ 43. Ke3 Rb8 44. Rb1 gxf4+ 45. gxf4 Kf5 46. Rc4 Kf6 47. b4 axb4 48. Rbxb4 Rxb4 49. Rxb4 Rh5 50. Rd4 Rh3+ 51. Kf2 d5 52. Kg2 Ra3 53. h3 Kf5 54. Kh2 h5 55. Kg2 h4 56. Kh2 Rg3 57. Rd2 Ra3 58. Rd4 Ra2+ 59. Kg1 Rc2 60. Kf1 Rh2 61. Rd3 Kxf4 62. Ra3 Rb2 63. a5 Rb7 64. a6 Ra7 65. Kf2 e5 66. Rf3+ Ke4 67. Re3+ Kd4 68. Ra3 Kc4 69. Ra5 d4 70. Rxe5 Rxa6 71. Rh5 Ra2+ 72. Ke1 Kd3 73. Rxh4 Ke3 74. Kf1 d3 75. Rh8 Ra1+ 0-1

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2010.05.08"]
[Round "9"]
[White "Braggaar, Wessel"]
[Black "Haan, Gertjan"]
[Result "1-0"]
[ECO "B35"]
[PlyCount "47"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 0-0 8. Bb3 Ng4 9. Qxg4 Nxd4 10. Qd1 Nxb3 11. axb3 b5 12. 0-0 d6 13. Bd4 f5 14. Bxg7 Kxg7 15. exf5 Bxf5 16. Qe2 Qd7 17. Rfe1 e5 18. Rad1 Qc6 19. Rd2 Rad8 20. Red1 Rd7 21. h4 Be6 22. Nxb5 d5 23. Qxe5+ Kg8 24. Nd4 1-0

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2010.05.07"]
[Round "8"]
[White "Haan, Gertjan"]
[Black "Yue, Tim"]
[Result "0-1"]
[ECO "B56"]
[PlyCount "108"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Qb6 10. Nb3 Bg7 11. Nd5 Qd8 12. c3 e6 13. Qxg4 exd5 14. Qd1 dxe4 15. Qxd6 Qxd6 16. Bxd6 Bg4 17. h3 Bh5 18. Bb5 0-0-0 19. Bc5 Ne5 20. Bd4 a6 21. Be2 Bxe2 22. Kxe2 Rhg8 23. Nc5 Nc4 24. Bxg7 Rxg7 25. b3 Nd6 26. Rad1 a5 27. Rd4 Nb5 28. Rxd8+ Kxd8 29. Nxe4 f5 30. Nc5 Nxc3+ 31. Kd3 Ne4 32. Nxe4 Rd7+ 33. Ke2 fxe4 34. Rd1 Rxd1 35. Kxd1 Kd7 36. Kd2 Kd6 37. Ke3 Kd5 38. g3 Ke5 39. a3 h5 40. f3 exf3 41. Kxf3 Kd4 42. h4 gxh4 43. gxh4 Kc3 44. b4 axb4 45. axb4 Kxb4 46. Kf4 Kc5 47. Kg5 b5 48. Kxh5 b4 49. Kg6 b3 50. h5 b2 51. h6 b1Q+ 52. Kg7 Qg1+ 53. Kf7 Qd4 54. h7 Qh8 0-1

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2010.05.06"]
[Round "7"]
[White "Haan, Gertjan"]
[Black "Schakel, Tijmen"]
[Result "0-1"]
[ECO "C13"]
[PlyCount "100"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bg5 Ngf6 6. Nf3 Be7 7. Bd3 0-0 8. 0-0 b6 9. Re1 Bb7 10. Ng3 Nd5 11. Bxe7 Qxe7 12. c4 Nf4 13. Be4 Bxe4 14. Nxe4 Nf6 15. Qd2 Ng6 16. Qg5 Nxe4 17. Qxe7 Nxe7 18. Rxe4 Rfd8 19. d5 Rd6 20. Rae1 Ng6 21. dxe6 f5 22. Rd4 Kf8 23. Rxd6 cxd6 24. Ng5 h6 25. Nf7 Ke7 26. Rd1 Kxe6 27. Rxd6+ Kxf7 28. Rd7+ Kg8 29. Rd5 Ne7 30. Re5 Kf7 31. Kf1 Re8 32. Re3 Nc6 33. Rf3 Nd4 34. Rd3 Rd8 35. f3 Ke7 36. Kf2 f4 37. Ra3 Rd7 38. g3 Nc2 39. Ra4 fxg3+ 40. Kxg3 a5 41. Kf4 Ke6 42. a3 g5+ 43. Kg4 Rd4+ 44. Kg3 Ne3 45. Kf2 Rxc4 46. Rxc4 Nxc4 47. b4 Nxa3 48. bxa5 bxa5 49. Ke3 Nc4+ 50. Kd3 Ke5 0-1

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2010.05.04"]
[Round "6"]
[White "Bakker, Jouke"]
[Black "Haan, Gertjan"]
[Result "1-0"]
[ECO "B35"]
[PlyCount "141"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 0-0 8. Bc4 Qb6 9. Bb3 Nxe4 10. Nd5 Qa5+ 11. c3 Nf6 12. Nxc6 dxc6 13. Nxe7+ Kh8 14. Nxc8 Raxc8 15. 0-0 a6 16. Qc2 Kg8 17. Rad1 Rcd8 18. Qf2 Rxd1 19. Rxd1 Rd8 20. Re1 Re8 21. Bd4 Qd8 22. Rd1 Qe7 23. Kf1 h5 24. Re1 Qxe1+ 25. Qxe1 Rxe1+ 26. Kxe1 Nd7 27. Bf2 Ne5 28. Ke2 Kf8 29. h3 Bh6 30. g3 Nd7 31. Bc2 Bc1 32. b3 Ba3 33. Be3 Bd6 34. f4 Nf6 35. Kf3 Nd5 36. Bd2 Be7 37. Ke4 Bf6 38. Kd3 Ke7 39. b4 Ke6 40. g4 hxg4 41. hxg4 Bg7 42. Bb3 Kd6 43. c4 Nc7 44. Ke4 Ne6 45. a4 a5 46. c5+ Ke7 47. Bxe6 Kxe6 48. f5+ gxf5+ 49. gxf5+ Kd7 50. b5 cxb5 51. axb5 a4 52. Bc1 Bc3 53. Ba3 Ba1 54. Kd5 Bc3 55. Kc4 Ba5 56. Bb4 Bd8 57. Bd2 Bc7 58. Kb4 b6 59. c6+ Ke7 60. Bg5+ Kf8 61. Kxa4 Kg7 62. Kb4 f6 63. Be3 Kf7 64. Kc4 Ke7 65. Kd5 Kf7 66. Bd2 Bh2 67. Bb4 Bc7 68. Bd6 Bd8 69. c7 Bxc7 70. Bxc7 Kg7 71. Ke6 1-0

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2010.05.03"]
[Round "5"]
[White "Haan, Gertjan"]
[Black "Bril, Oscar"]
[Result "1-0"]
[ECO "B77"]
[PlyCount "103"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Bc4 0-0 9. Qd2 Nd7 10. 0-0-0 Nce5 11. Bb3 Nb6 12. Bh6 Nbc4 13. Qg5 f6 14. Qh4 g5 15. Qh5 Qe8 16. Qxe8 Rxe8 17. Bxg7 Kxg7 18. h4 Ne3 19. Rd2 N5c4 20. Re2 a6 21. hxg5 fxg5 22. Nd5 Nxd5 23. exd5 Ne5 24. Ne6+ Bxe6 25. dxe6 Rac8 26. Bd5 Nd3+ 27. Kb1 Nf4 28. Rd2 Nxd5 29. Rxd5 Rc5 30. Rxc5 dxc5 31. Rd1 Kf6 32. Rd7 Rb8 33. Rc7 b6 34. Kc1 Kxe6 35. Rc6+ Kf5 36. Rh6 e5 37. Rxh7 Rd8 38. g4+ Kf4 39. Rf7+ Ke3 40. Rf5 Ke2 41. Rxe5+ Kxf3 42. Rxg5 Rd4 43. Rg6 Rxg4 44. Rxb6 Ra4 45. a3 Ke4 46. Rd6 a5 47. Kd2 Rd4+ 48. Rxd4+ Kxd4 49. b3 c4 50. c3+ Kc5 51. b4+ axb4 52. cxb4+ 1-0

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2010.05.02"]
[Round "4"]
[White "Roeleveld, Koos"]
[Black "Haan, Gertjan"]
[Result "1/2-1/2"]
[ECO "A34"]
[PlyCount "43"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc6 6. 0-0 g6 7. Nc3 Nc7 8. d3 Bg7 9. Be3 b6 10. Qd2 Bb7 11. Bh6 0-0 12. Bxg7 Kxg7 13. Ne4 Nd4 14. Nxd4 Qxd4 15. Ng5 Bxg2 16. Kxg2 Qd5+ 17. Nf3 Ne6 18. Qe3 Rfe8 19. b3 Nd4 20. Rac1 Nxf3 21. Qxf3 Qxf3+ 22. Kxf3 1/2-1/2

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2010.04.30"]
[Round "2"]
[White "Roelofs, Rik"]
[Black "Haan, Gertjan"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "1945"]
[PlyCount "115"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. 0-0 Ng4 9. Nxc6 dxc6 10. Bf4 Qa5 11. Be2 Rd8 12. Qe1 Qb4 13. Rd1 Be6 14. Rb1 Rd7 15. h3 Ne5 16. a3 Qa5 17. Bc1 Nc4 18. Bd3 Nxa3 19. Ra1 Nxc2 20. Rxa5 Nxe1 21. Be2 Nd3 22. Na4 Nxc1 23. Rxc1 Rd2 24. Kf1 b6 25. Nxb6 Rb8 26. Na4 Bxb2 27. Rb1 Ba2 28. Rxb2 Rbxb2 29. Nxb2 Rxb2 30. f3 a6 31. Rxa6 Rxe2 32. Ra8+ Kg7 33. Kxe2 Bc4+ 34. Ke3 Bf1 35. Ra2 Kf6 36. f4 Ke6 37. Rf2 Bb5 38. Kd4 Kd6 39. e5+ Ke6 40. g4 f6 41. f5+ Kf7 42. e6+ Kg7 43. Ra2 Bf1 44. Ra3 Kh6 45. Ra7 Bxh3 46. Rxe7 Bxg4 47. Rxh7+ Kxh7 48. e7 Bxf5 49. e8Q Kh6 50. Qxc6 Kg5 51. Ke3 Bg4 52. Qd6 f5 53. Qe7+ Kh5 54. Kf4 Kh6 55. Qf8+ Kh7 56. Kg5 Bf3 57. Kf6 g5 58. Qg7# 1-0

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2010.04.29"]
[Round "1"]
[White "Haan, Gertjan"]
[Black "Bravo, Fabio"]
[Result "0-1"]
[ECO "B45"]
[PlyCount "130"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 Bb4 7. Ndb5 Nxe4 8. Qd3 d5 9. 0-0-0 Nxc3 10. Nxc3 Bd7 11. a3 Be7 12. f4 Bf6 13. Ne2 h5 14. Nd4 Nxd4 15. Bxd4 Bxd4 16. Qxd4 Qf6 17. Qxf6 gxf6 18. g3 Ke7 19. Bg2 Rhc8 20. Rhe1 Kf8 21. c3 a5 22. f5 b5 23. Rd4 Rc4 24. Rxc4 bxc4 25. Rf1 Kg7 26. Rf4 e5 27. Rxc4 dxc4 28. Bxa8 Bxf5 29. Kd2 Kf8 30. Bf3 h4 31. Ke3 hxg3 32. hxg3 Ke7 33. Be2 Be6 34. Ke4 Kf8 35. g4 Kg7 36. g5 fxg5 37. Kxe5 Kg6 38. Bd1 g4 39. Kf4 Kh5 40. Be2 Kh4 41. Bf1 g3 42. Bg2 Bh3 43. Bh1 g2 44. Bxg2 Bxg2 45. Ke5 Kg5 46. Kd4 Bf1 47. Kc5 f5 48. Kb5 f4 49. Kxa5 f3 50. a4 f2 51. Kb6 Bg2 52. Kc5 f1Q 53. Kb4 Qb1 54. Kxc4 Qxb2 55. a5 Qb7 56. Kc5 Qc7+ 57. Kb4 Kf5 58. c4 Ke5 59. c5 Kd4 60. a6 Qxc5+ 61. Kb3 Bd5+ 62. Kb2 Qc3+ 63. Kb1 Kd3 64. a7 Qc2+ 65. Ka1 Qc1# 0-1

