[Event "Spakenburg FishPartners op"]
[Site "Spakenburg"]
[Date "2023.07.08"]
[Round "2"]
[White "Heij, Jacco"]
[Black "Peelen, Piet"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1948"]
[BlackElo "2344"]
[PlyCount "98"]
[EventDate "2023.07.08"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. e3 0-0 6. Bd3 c5 7. cxd5 cxd4 8. exd4 Nxd5 9. 0-0 Nc6 10. Be4 Nxc3 11. bxc3 Qc7 12. Bg5 Na5 13. Rc1 Nc4 14. Qe2 Be6 15. Rb1 Nd6 16. Bd3 h6 17. Bh4 Nf5 18. Rfc1 Rac8 19. Be4 b6 20. a4 Bc4 21. Bd3 Nxh4 22. Nxh4 e5 23. Nf3 Bxd3 24. Qxd3 exd4 25. Nxd4 Rfd8 26. Qe3 Qc4 27. Rb4 Bxd4 28. Rxc4 Bxe3 29. Rxc8 Bxf2+ 30. Kxf2 Rxc8 31. c4 Rc5 32. Ke3 Ra5 33. Ra1 Kf8 34. Kd4 Ke7 35. h4 h5 36. Re1+ Kd6 37. Rf1 Ke6 38. Re1+ Kd6 39. Rf1 f5 40. Ra1 Kc6 41. Re1 Kd6 42. Ra1 Re5 43. Ra2 Re4+ 44. Kd3 Kc5 45. a5 Rd4+ 46. Ke3 Rxc4 47. axb6 axb6 48. Ra6 Rxh4 49. Ra7 Rg4 0-1

[Event "Spakenburg FishPartners op"]
[Site "Spakenburg"]
[Date "2023.07.08"]
[Round "6"]
[White "Heij, Jacco"]
[Black "Van der Hagen, Loek"]
[Result "0-1"]
[ECO "E99"]
[WhiteElo "1948"]
[BlackElo "2269"]
[PlyCount "66"]
[EventDate "2023.07.08"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. Rc1 Ng6 14. c5 Nf6 15. cxd6 cxd6 16. Nb5 Rf7 17. Qc2 Ne8 18. Nxa7 Bd7 19. Nb5 h5 20. Nc7 Rc8 21. Bb6 Nxc7 22. Bxc7 Qf6 23. Qd1 g4 24. Bb6 Rxc1 25. Qxc1 g3 26. h3 Qh4 27. Qc7 Bf8 28. Qc2 Bxh3 29. gxh3 Qxh3 30. Bb5 Nh4 31. Bd8 Be7 32. Be8 Bxd8 33. Bxf7+ Kxf7 0-1

[Event "Spakenburg FishPartners op"]
[Site "Spakenburg"]
[Date "2023.07.08"]
[Round "4"]
[White "Heij, Jacco"]
[Black "Vedder, Henk"]
[Result "1/2-1/2"]
[ECO "E41"]
[WhiteElo "1948"]
[BlackElo "2326"]
[PlyCount "125"]
[EventDate "2023.07.08"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Nc3 c5 4. e3 Nf6 5. Nf3 d5 6. cxd5 exd5 7. Be2 0-0 8. 0-0 c4 9. Bd2 Nc6 10. b3 Bxc3 11. Bxc3 b5 12. bxc4 Ne4 13. Qc2 Nxc3 14. Qxc3 bxc4 15. Ne5 Qa5 16. Qxa5 Nxa5 17. Rab1 f6 18. Rb5 fxe5 19. Rxa5 Be6 20. dxe5 Rfc8 21. f4 Kf8 22. f5 Bg8 23. Rc1 Rab8 24. Kf1 Rb2 25. Ke1 c3 26. Rxa7 d4 27. exd4 Bxa2 28. Ra3 Bb3 29. Bd1 Bxd1 30. Kxd1 Rd2+ 31. Ke1 Rxd4 32. Rcxc3 Rxc3 33. Rxc3 Re4+ 34. Kf2 Rxe5 35. g4 h5 36. h3 hxg4 37. hxg4 Kf7 38. Kf3 Re1 39. Rc7+ Kf6 40. Rc6+ Kf7 41. Rc4 Kf6 42. Rc6+ Kf7 43. Kf4 Ra1 44. Kg5 Ra7 45. Rb6 Rc7 46. Kh5 Rc5 47. Rb7+ Kf6 48. g5+ Kxf5 49. Rxg7 Ke6 50. Rg6+ Kf7 51. Kh6 Rc1 52. Rf6+ Kg8 53. Rb6 Rc8 54. Kg6 Ra8 55. Kf6 Rc8 56. g6 Ra8 57. Re6 Rf8+ 58. Kg5 Rf1 59. Re8+ Kg7 60. Re7+ Kg8 61. Re5 Rg1+ 62. Kf6 Rf1+ 63. Rf5 1/2-1/2

[Event "Spakenburg FishPartners op"]
[Site "Spakenburg"]
[Date "2023.07.08"]
[Round "7"]
[White "Mijnheer, Peter"]
[Black "Heij, Jacco"]
[Result "0-1"]
[ECO "D91"]
[WhiteElo "2144"]
[BlackElo "1948"]
[PlyCount "126"]
[EventDate "2023.07.08"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. Bh4 Nxc3 7. bxc3 c5 8. e3 cxd4 9. cxd4 Nc6 10. cxd5 Qxd5 11. Be2 0-0 12. 0-0 Bf5 13. Qa4 a6 14. Rac1 Rac8 15. Rc5 Qd7 16. Rfc1 Nxd4 17. Qxd7 Nxe2+ 18. Kf1 Bxd7 19. Rxc8 Rxc8 20. Rxc8+ Bxc8 21. Kxe2 Be6 22. a3 Bc4+ 23. Kd2 e5 24. Be7 f6 25. Kc3 Bf1 26. g3 Kf7 27. Bb4 Ke6 28. Nd2 Bb5 29. Kb3 Kd5 30. a4 Bc6 31. a5 f5 32. h4 h5 33. Be7 Ke6 34. Bc5 Bf6 35. Kb4 g5 36. hxg5 Bxg5 37. f4 Bf6 38. Nc4 exf4 39. exf4 Bd5 40. Ne3 h4 41. gxh4 Bxh4 42. Bd4 Be1+ 43. Kc5 Be4 44. Nc4 Bg3 45. Be3 Bc6 46. Ne5 Be4 47. Nc4 Bh4 48. Nb6 Be7+ 49. Kc4 Bd8 50. Kd4 Kd6 51. Kc4 Kc6 52. Kb4 Be7+ 53. Kc4 Bf3 54. Bd4 Be2+ 55. Kc3 Bd6 56. Be3 Kb5 57. Nd5 Kxa5 58. Kd4 b5 59. Bd2+ b4 60. Nf6 Ka4 61. Ne8 Be7 62. Nc7 b3 63. Nd5 b2 0-1

[Event "NED-ch U16 op"]
[Site "Borne"]
[Date "2013.08.09"]
[Round "8"]
[White "Heij, Jacco"]
[Black "Warmerdam, Bart"]
[Result "0-1"]
[ECO "D40"]
[WhiteElo "1223"]
[BlackElo "1280"]
[PlyCount "72"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. c4 Nc6 6. 0-0 a6 7. Nc3 dxc4 8. Bxc4 b5 9. Bb3 Bb7 10. d5 exd5 11. Nxd5 Be7 12. Nxf6+ Bxf6 13. Bd5 0-0 14. e4 Qc7 15. Be3 c4 16. Qd2 Rad8 17. Bg5 Qe7 18. Qf4 Bxg5 19. Nxg5 h6 20. Nf3 Nb4 21. Bxb7 Qxb7 22. Qe3 Nc2 23. Qe2 Nxa1 24. Rxa1 Rfe8 25. Re1 Qd7 26. a4 Qc6 27. axb5 axb5 28. Qc2 b4 29. Nd2 c3 30. Nb1 Rc8 31. bxc3 bxc3 32. Re3 Qb7 33. Rxc3 Rxc3 34. Nxc3 Rc8 35. Qd3 Rxc3 36. Qd1 Qc7 0-1

[Event "NED-ch U16 op"]
[Site "Borne"]
[Date "2013.08.07"]
[Round "4"]
[White "Heij, Jacco"]
[Black "Reichardt, Monica"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1223"]
[BlackElo "1454"]
[PlyCount "101"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 c6 2. Nf3 d5 3. e3 Nf6 4. Bd3 Nbd7 5. c4 dxc4 6. Bxc4 Nb6 7. Bb3 Bg4 8. Ne5 Be6 9. Bxe6 fxe6 10. Nc3 Qc7 11. Qb3 Qd6 12. Bd2 Nfd7 13. Nd3 e5 14. Ne4 Qd5 15. Qxd5 cxd5 16. Ng5 exd4 17. exd4 h6 18. Ne6 Kf7 19. Nc7 Rc8 20. Rc1 e6 21. Nf4 Bd6 22. Nb5 Bb4 23. Ke2 Rxc1 24. Rxc1 Bxd2 25. Kxd2 Nc4+ 26. Ke2 a6 27. Nc7 Rc8 28. Ncxe6 g5 29. Nxg5+ hxg5 30. Nxd5 Ke6 31. Ne3 Ndb6 32. Nxc4 Rxc4 33. Rxc4 Nxc4 34. b3 Nd6 35. Kf3 Kf5 36. g4+ Ke6 37. a4 Kd5 38. Ke3 Ne8 39. f4 Nf6 40. h3 gxf4+ 41. Kxf4 Ke6 42. g5 Nd5+ 43. Kg4 Ne7 44. h4 Kf7 45. h5 Kg7 46. Kf4 Kh7 47. Ke5 Kg7 48. d5 Nc8 49. d6 Nb6 50. Ke6 Nc8 51. d7 1-0

[Event "NED-ch U16 op"]
[Site "Borne"]
[Date "2013.08.07"]
[Round "5"]
[White "Roesink, Veron"]
[Black "Heij, Jacco"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "1945"]
[BlackElo "1223"]
[PlyCount "39"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nf6 8. Ne5 Bh7 9. Bc4 e6 10. Qe2 Qc7 11. Bf4 Nd5 12. Nh5 Nxf4 13. Nxf4 Kd8 14. 0-0-0 Bd6 15. Bxe6 Bxe5 16. dxe5+ Ke7 17. Qg4 Kf8 18. Rd6 Qa5 19. Bb3 Qc7 20. Rhd1 1-0

[Event "NED-ch U16 op"]
[Site "Borne"]
[Date "2013.08.06"]
[Round "3"]
[White "Braggaar, Wessel"]
[Black "Heij, Jacco"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1846"]
[BlackElo "1223"]
[PlyCount "39"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. g3 Nc6 6. Ne2 cxd4 7. cxd4 Bb4+ 8. Nbc3 Bd7 9. Bh3 Rc8 10. 0-0 Bxc3 11. bxc3 Nge7 12. a4 Na5 13. Ba3 Nc4 14. Bc5 Qa6 15. Nf4 b6 16. Bd6 Nb2 17. Qg4 Nf5 18. Nh5 Nxd6 19. exd6 g6 20. Qh4 1-0

[Event "NED-ch U16 op"]
[Site "Borne"]
[Date "2013.08.06"]
[Round "2"]
[White "Heij, Jacco"]
[Black "Oosterbaan, Tristan"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1223"]
[BlackElo "1543"]
[PlyCount "53"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. b3 Nc6 6. Bb2 Be7 7. 0-0 0-0 8. c4 Bd7 9. Nc3 a6 10. Rc1 Qb6 11. Na4 Qa7 12. cxd5 Nxd5 13. Nxc5 Bxc5 14. dxc5 Rfc8 15. Bc4 Nce7 16. e4 b5 17. Qd4 Nf6 18. e5 Nc6 19. Qh4 Ne8 20. Bd3 h6 21. Rfe1 Nc7 22. Ng5 Nd5 23. Ne4 Ncb4 24. Nf6+ Kh8 25. Bb1 a5 26. Ng4 Ne7 27. Qxe7 1-0

[Event "NED-ch U16 op"]
[Site "Borne"]
[Date "2013.08.05"]
[Round "1"]
[White "Mikeler, Marcel"]
[Black "Heij, Jacco"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "1729"]
[BlackElo "1223"]
[PlyCount "61"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Nc3 b6 4. Nf3 Bb7 5. Bg5 Nf6 6. e3 d6 7. Bd3 Nbd7 8. Qc2 h6 9. Bxf6 Qxf6 10. e4 e5 11. d5 Nc5 12. 0-0 Bxc3 13. Qxc3 Qf4 14. Nd2 Bc8 15. b4 Nxd3 16. Qxd3 0-0 17. g3 Qg5 18. f4 exf4 19. Rxf4 Qe5 20. Nb3 Bd7 21. Re1 g5 22. Rf2 f5 23. Nd2 fxe4 24. Qxe4 Rxf2 25. Qxe5 dxe5 26. Kxf2 Re8 27. Ke3 Kf7 28. Rf1+ Ke7 29. Ke4 Kd8 30. Rf6 h5 31. Nf3 1-0

[Event "NED-ch U17"]
[Site "Haarlem"]
[Date "2012.05.05"]
[Round "8"]
[White "Vastenhout, Raimond"]
[Black "Heij, Jacco"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1686"]
[BlackElo "887"]
[PlyCount "63"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. dxe5 Nxe5 5. Nxe5 dxe5 6. Qxd8+ Kxd8 7. Bc4 Nf6 8. Bg5 Ke8 9. Bxf6 gxf6 10. a3 Rg8 11. g3 Bg4 12. Nc3 c6 13. Be2 Be6 14. 0-0-0 Bc5 15. f3 Ke7 16. b4 Bd4 17. Na4 b6 18. Kb1 Bd7 19. f4 c5 20. b5 a6 21. Nxb6 Rab8 22. Nxd7 Kxd7 23. c3 c4 24. cxd4 Rxb5+ 25. Ka2 Ra5 26. dxe5+ Ke7 27. exf6+ Kxf6 28. Bxc4 Rc8 29. Bb3 Rb5 30. Rd5 Rb7 31. Rhd1 Rcc7 32. Rf5+ 1-0

[Event "NED-ch U17"]
[Site "Haarlem"]
[Date "2012.05.04"]
[Round "7"]
[White "Heij, Jacco"]
[Black "Dijkstra, Hidde"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "887"]
[BlackElo "1573"]
[PlyCount "52"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. Nc3 0-0 8. 0-0 d6 9. Bd2 Bg4 10. h3 Bh5 11. Be3 Na5 12. Ne2 Nxb3 13. axb3 Bxf3 14. gxf3 Nh5 15. Qd2 f5 16. Ng3 f4 17. Nxh5 fxe3 18. fxe3 Bh4 19. Qg2 g6 20. f4 Kh8 21. Ng3 Qf6 22. Kh1 exf4 23. exf4 Qxb2 24. f5 Bxg3 25. Qxg3 gxf5 26. Rxf5 Qxa1+ 0-1

[Event "NED-ch U17"]
[Site "Haarlem"]
[Date "2012.05.03"]
[Round "6"]
[White "Mullink, Jochem"]
[Black "Heij, Jacco"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "1610"]
[BlackElo "887"]
[PlyCount "67"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 Nd7 8. Be3 Nb6 9. Qc2 Qc7 10. Ne2 Be6 11. Bd2 c5 12. 0-0-0 cxd4 13. Nxd4 Bxa2 14. Rhe1+ Kd8 15. Nb5 Qd7 16. Nxd6 Qxd6 17. Bc4 Kc7 18. Bxa2 Rae8 19. g3 Kc8 20. Bf4 Qc6 21. Qf5+ Nd7 22. Qa5 a6 23. Bd5 Qb6 24. Qxb6 Nxb6 25. Bxf7 Rxe1 26. Rxe1 Kd7 27. Be6+ Kc6 28. Bh3 g5 29. Re6+ Kb5 30. Bf1+ Ka5 31. Bc7 Rc8 32. Bxb6+ Ka4 33. Re4+ Kb3 34. Kb1 1-0

[Event "NED-ch U17"]
[Site "Haarlem"]
[Date "2012.05.02"]
[Round "5"]
[White "Frima, Erik"]
[Black "Heij, Jacco"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1468"]
[BlackElo "887"]
[PlyCount "87"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 Nf6 5. Bg5 Be7 6. e3 h6 7. Bf4 Nbd7 8. Be2 b6 9. Rb1 Bb4 10. Qa4 Bxc3+ 11. bxc3 c5 12. dxc5 Ne4 13. Qc2 Nexc5 14. Ne5 Qf6 15. Nf3 Bb7 16. Rb4 Ne4 17. cxd5 Qxc3+ 18. Qxc3 Nxc3 19. dxe6 fxe6 20. Bc4 Nd5 21. Bxd5 Bxd5 22. a3 Rc8 23. Kd2 0-0 24. Bd6 Rf7 25. e4 Bb7 26. Rc1 Rxc1 27. Kxc1 Nc5 28. Ne5 Bxe4 29. Bxc5 bxc5 30. Rxe4 Rxf2 31. Rg4 Rf5 32. Nc6 Kf7 33. Nxa7 Kf6 34. Nb5 g5 35. Nc3 Re5 36. Kd2 Kf5 37. Rc4 h5 38. a4 g4 39. a5 Kg5 40. a6 Rf5 41. Ne4+ Kg6 42. a7 Rf8 43. Ra4 Ra8 44. Nxc5 1-0

[Event "NED-ch U17"]
[Site "Haarlem"]
[Date "2012.05.01"]
[Round "4"]
[White "Heij, Jacco"]
[Black "Bekkink, Sereyo"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "887"]
[BlackElo "1877"]
[PlyCount "46"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nc6 6. Bf4 Nf6 7. Nbd2 cxd4 8. cxd4 Nxd4 9. Qa4+ Nc6 10. Bc4 Qf5 11. Bb5 Bd7 12. Bg3 a6 13. Nd4 Nxd4 14. Bxd7+ Nxd7 15. Qxd4 Qf6 16. Qxf6 Nxf6 17. a3 Be7 18. Rc1 Nd5 19. Ne4 0-0 20. Nc5 Rfc8 21. Nd3 Rxc1+ 22. Nxc1 Rc8 23. 0-0 Rc2 0-1

[Event "NED-ch U17"]
[Site "Haarlem"]
[Date "2012.04.30"]
[Round "3"]
[White "Van Heusden, David"]
[Black "Heij, Jacco"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "1613"]
[BlackElo "887"]
[PlyCount "60"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 e6 6. Nf3 Be7 7. Bd3 c5 8. Be3 Nc6 9. 0-0 Qb6 10. Na4 Qa5 11. b3 c4 12. Bd2 Qa6 13. Be2 b5 14. Nc3 Qb6 15. Be3 Bb4 16. Nb1 Qa5 17. c3 Bxc3 18. Nxc3 Qxc3 19. Bd2 Qb2 20. Qb1 Qxb1 21. Raxb1 0-0 22. Be3 a5 23. Nd2 Nb4 24. Bf3 Ba6 25. bxc4 bxc4 26. Rfc1 Rac8 27. a3 Nd3 28. Rc3 Rb8 29. f5 Rxb1+ 30. Nxb1 Rd8 1/2-1/2

[Event "NED-ch U17"]
[Site "Haarlem"]
[Date "2012.04.28"]
[Round "1"]
[White "Heij, Jacco"]
[Black "Senders, Mischa"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "887"]
[BlackElo "1895"]
[PlyCount "78"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ngf3 Be7 8. 0-0 0-0 9. b3 b6 10. Bb2 cxd4 11. cxd4 Nb4 12. Qe2 Nxd3 13. Qxd3 a5 14. Qc2 Ba6 15. Rfc1 Rc8 16. Qd1 Nb8 17. Rxc8 Qxc8 18. Rc1 Qd7 19. Nb1 Nc6 20. a3 Rc8 21. Qd2 Na7 22. a4 Nc6 23. Bc3 Nb4 24. Ne1 b5 25. Bxb4 Bxb4 26. Rxc8+ Qxc8 27. Qd1 bxa4 28. bxa4 Qc4 29. Nf3 h6 30. h4 Kf8 31. Kh2 Qd3 32. Qxd3 Bxd3 33. Nfd2 Bc2 34. Kg3 Bxa4 35. f4 Bc2 36. Kf3 Bxd2 37. Nxd2 a4 38. Nf1 a3 39. Ne3 Bb3 0-1

