[Event "Maastricht Limburg op-C 6th"]
[Site "Maastricht"]
[Date "2012.05.28"]
[Round "6"]
[White "Dethier, Krista"]
[Black "Hoornstra, Ischa"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1228"]
[BlackElo "983"]
[PlyCount "41"]
[EventDate "2012.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. g3 Nf6 3. Bg2 Bf5 4. Nf3 e6 5. 0-0 Nc6 6. Nbd2 Bd6 7. b3 Qe7 8. Bb2 0-0-0 9. Ne5 Nb8 10. Rc1 h5 11. c4 c5 12. cxd5 Bxe5 13. dxe5 Nfd7 14. d6 Qg5 15. f4 Qg6 16. Bd4 b6 17. b4 Na6 18. Qa4 Nxb4 19. Qxa7 Nd5 20. e4 Nb4 21. exf5 1-0

[Event "Maastricht Limburg op-C 6th"]
[Site "Maastricht"]
[Date "2012.05.28"]
[Round "7"]
[White "Hoornstra, Ischa"]
[Black "Calje, Ming Dao"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "983"]
[BlackElo "800"]
[PlyCount "49"]
[EventDate "2012.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[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. Bc4 Bc5 4. Nc3 d6 5. h3 Nf6 6. d3 Be6 7. Bb3 Qd7 8. Bg5 h6 9. Bh4 Nd4 10. Na4 d5 11. Nxc5 Qc6 12. Nxd4 Qxc5 13. Nxe6 fxe6 14. Bxf6 gxf6 15. Qh5+ Kd7 16. Qf7+ Qe7 17. Qxe7+ Kxe7 18. exd5 exd5 19. Bxd5 Kd7 20. Bf3 c6 21. 0-0-0 b6 22. d4 Rac8 23. Rhe1 Ke6 24. dxe5 fxe5 25. Bg4+ 1-0

[Event "Maastricht Limburg op-C 6th"]
[Site "Maastricht"]
[Date "2012.05.27"]
[Round "5"]
[White "Beukema, Constantijn"]
[Black "Hoornstra, Ischa"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "800"]
[BlackElo "983"]
[PlyCount "90"]
[EventDate "2012.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. Bc4 Bg4 5. Bd3 Nc6 6. 0-0 Ne5 7. h3 Nxf3+ 8. Kh1 Bxh3 9. Qxf3 Bg4 10. Qg3 e6 11. Bb5+ Ke7 12. e5 dxe5 13. Qxe5 Rc8 14. Ne4 Qc7 15. Qxc7+ Rxc7 16. Nxf6 Kxf6 17. d3 a6 18. f3 Bh5 19. Bc4 g5 20. Be3 Bg6 21. Bd2 Bd6 22. Bc3+ Be5 23. Rae1 Bxc3 24. bxc3 h5 25. Re2 b5 26. Bb3 a5 27. a4 b4 28. cxb4 cxb4 29. c4 bxc3 30. Rc1 Bxd3 31. Re3 Rd8 32. Rd1 c2 33. Bxc2 Rxc2 34. Rexd3 Rxd3 35. Rxd3 Rc4 36. Ra3 g4 37. fxg4 hxg4 38. Kh2 Ke5 39. Re3+ Re4 40. Rxe4+ Kxe4 41. Kg3 f5 42. Kh4 Kf4 43. Kh5 Kg3 44. Kg5 Kxg2 45. Kf4 Kf2 0-1

[Event "Maastricht Limburg op-C 6th"]
[Site "Maastricht"]
[Date "2012.05.27"]
[Round "4"]
[White "Hoornstra, Ischa"]
[Black "De Ridder, Yulian"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "983"]
[BlackElo "1137"]
[PlyCount "80"]
[EventDate "2012.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[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. Bc4 Nf6 4. d3 Bc5 5. Be3 Bb6 6. Nc3 Nd4 7. Nxe5 0-0 8. Nf3 Nxf3+ 9. Qxf3 c6 10. 0-0-0 d5 11. Qg3 dxc4 12. dxc4 Bxe3+ 13. Qxe3 Qb6 14. Qg5 Qxf2 15. Rdf1 Qd4 16. h4 h6 17. Qf4 Qxc4 18. g4 Nxg4 19. Rhg1 Be6 20. Rf3 Qc5 21. Rxg4 Bxg4 22. Qxg4 g5 23. Qg3 f6 24. Re3 Qe5 25. Qh3 Qf4 26. Ne2 Qxh4 27. Qxh4 gxh4 28. Rh3 f5 29. Rxh4 fxe4 30. Rxh6 Rad8 31. b3 Rf2 32. Ng3 Re8 33. Rd6 e3 34. Kd1 e2+ 35. Ke1 Rg2 36. Nxe2 Rexe2+ 37. Kd1 Rxc2 38. Rd8+ Kf7 39. Rd3 Rxa2 40. Rf3+ Ke7 0-1

[Event "Maastricht Limburg op-C 6th"]
[Site "Maastricht"]
[Date "2012.05.26"]
[Round "2"]
[White "Heuts, Guido"]
[Black "Hoornstra, Ischa"]
[Result "1-0"]
[ECO "D40"]
[WhiteElo "1374"]
[BlackElo "983"]
[PlyCount "91"]
[EventDate "2012.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. Be2 Bd6 7. h3 0-0 8. 0-0 Bd7 9. Nb5 Be7 10. b3 a6 11. Nc3 Qc7 12. cxd5 exd5 13. Ba3 b6 14. dxc5 Be6 15. cxb6 Qd7 16. Bxe7 Nxe7 17. Rc1 Bxh3 18. Ne5 Qf5 19. f4 h5 20. gxh3 Qxh3 21. Rf3 Qe6 22. Kf2 g5 23. fxg5 Ne4+ 24. Nxe4 dxe4 25. Rg3 Qxe5 26. Qh1 Nf5 27. Rg2 Ng7 28. Bxh5 Rab8 29. Be2 Rxb6 30. Rh2 f6 31. Rh8+ Kf7 32. Bc4+ Ke7 33. Rxf8 Qb2+ 34. Kg3 Nf5+ 35. Kg4 Nxe3+ 36. Kf4 Ng2+ 37. Kxe4 Kxf8 38. Qh8+ Ke7 39. Qg7+ Kd6 40. Rd1+ Kc5 41. Qf8+ Kc6 42. Rd6+ Kb7 43. Bd5+ Rc6 44. Qe7+ Kb8 45. Rd8+ Rc8 46. Qb7# 1-0

[Event "Maastricht Limburg op-C 6th"]
[Site "Maastricht"]
[Date "2012.05.25"]
[Round "1"]
[White "Hoornstra, Ischa"]
[Black "Heman, Frans"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "983"]
[BlackElo "1550"]
[PlyCount "58"]
[EventDate "2012.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 c5 3. Nc3 Nc6 4. Bc4 a6 5. a3 b5 6. Ba2 Bb7 7. d3 Be7 8. Be3 Nf6 9. 0-0 0-0 10. Ne1 Nd4 11. f4 d5 12. e5 Ne8 13. Ne2 Nf5 14. Bf2 Rc8 15. Rc1 Nc7 16. Ng3 Kh8 17. Qf3 Rb8 18. Qh5 g6 19. Qh3 Ng7 20. Nf3 d4 21. Be1 Nd5 22. Bd2 Ne3 23. Bxe3 dxe3 24. Rce1 Bxf3 25. Rxf3 c4 26. Rfxe3 Bc5 27. d4 Bxd4 28. Rd1 Bxe3+ 29. Kf1 Qxd1# 0-1

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2010.04.03"]
[Round "6"]
[White "Hoornstra, Ischa"]
[Black "Beukema, Jasper"]
[Result "1-0"]
[ECO "B30"]
[PlyCount "125"]
[EventDate "2010.04.02"]
[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. Nc3 g6 4. Bc4 Bg7 5. d3 Nf6 6. Bd2 0-0 7. 0-0 d6 8. Qe2 Bg4 9. Rfe1 Nd4 10. Qd1 Nxf3+ 11. gxf3 Bh5 12. Kh1 Qd7 13. Rg1 Qh3 14. Rg3 Qh4 15. Bg5 Bxf3+ 16. Qxf3 Qh5 17. Qxh5 Nxh5 18. Rg2 Rfe8 19. Bd5 h6 20. Be3 Kf8 21. e5 e6 22. Bf3 Rac8 23. exd6 Nf6 24. Bxb7 Rb8 25. Bxc5 Kg8 26. Bc6 Red8 27. b3 Rbc8 28. b4 Rxc6 29. Rb1 a5 30. a3 Ne8 31. Ne4 Be5 32. c4 Bxd6 33. Bxd6 Nxd6 34. Nxd6 Rdxd6 35. Rg3 Ra6 36. b5 Ra8 37. c5 Rdd8 38. d4 Rab8 39. Rc3 Kf8 40. c6 Rdc8 41. c7 Rb6 42. Rc6 Rb7 43. b6 Ke7 44. Rb5 Kd7 45. Rcc5 Kd6 46. Kg2 a4 47. Kf3 Kd7 48. Ke3 h5 49. Kd3 Kd6 50. Kc4 Kd7 51. Kb4 Kd6 52. Kxa4 Kd7 53. Kb4 Rcxc7 54. Rxc7+ Rxc7 55. bxc7 Kxc7 56. a4 f5 57. a5 h4 58. a6 g5 59. a7 Kd7 60. a8Q Ke7 61. Rb7+ Kf6 62. Qh8+ Kg6 63. Qg7+ 1-0

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2010.04.03"]
[Round "9"]
[White "Hoornstra, Ischa"]
[Black "Nguyen, Kevin"]
[Result "0-1"]
[ECO "C53"]
[PlyCount "60"]
[EventDate "2010.04.02"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. c3 d6 6. a4 a6 7. d4 h6 8. d5 Nce7 9. Bd2 Nf6 10. Qe2 0-0 11. Na3 Bg4 12. Qd3 c6 13. Bb3 cxd5 14. Bxd5 Nexd5 15. exd5 e4 16. Qc4 Rc8 17. Qb3 exf3 18. 0-0-0 fxg2 19. a5 Ba7 20. Rhg1 Bxd1 21. Rxd1 Bxf2 22. c4 g1Q 23. Rxg1 Bxg1 24. Qg3 Bxh2 25. Qxh2 Ne4 26. Be3 Re8 27. Qg2 Qf6 28. Nc2 Rxc4 29. Kb1 Nc3+ 30. Kc1 Qh4 0-1

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2010.04.03"]
[Round "7"]
[White "Pannebakker, Joost Jan"]
[Black "Hoornstra, Ischa"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "75"]
[EventDate "2010.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4 Bd6 5. Bxd6 cxd6 6. e3 Nc6 7. Nf3 Bd7 8. Bd3 0-0 9. 0-0 Rc8 10. Rc1 a6 11. Re1 Re8 12. e4 dxc4 13. Bxc4 b5 14. Bd3 e5 15. d5 Nd4 16. Nxd4 exd4 17. Ne2 Rxc1 18. Qxc1 Nxe4 19. Nxd4 Nc5 20. Rxe8+ Qxe8 21. Bc2 Qe5 22. Nc6 Qxd5 23. Ne7+ Kf8 24. Nxd5 Be6 25. Nf4 Bd7 26. Bxh7 g6 27. Qc3 Be6 28. Nxe6+ fxe6 29. Bxg6 Ke7 30. Qg7+ Kd8 31. f4 d5 32. Qf8+ Kd7 33. Qxc5 a5 34. Qxb5+ Ke7 35. Qxa5 e5 36. fxe5 Kf8 37. Qc7 d4 38. Qf7# 1-0

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2010.04.03"]
[Round "8"]
[White "Warmerdam, Max"]
[Black "Hoornstra, Ischa"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "65"]
[EventDate "2010.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 e6 3. Nf3 Nc6 4. Bf4 Bd6 5. Bxd6 cxd6 6. e4 Nf6 7. Bd3 a6 8. Qe2 0-0 9. Ng5 h6 10. e5 Ne4 11. Ngxe4 dxe4 12. Bxe4 Nxd4 13. Qg4 Qg5 14. Qxg5 hxg5 15. exd6 f5 16. Bd3 Rd8 17. 0-0 Rxd6 18. f4 g4 19. h3 gxh3 20. gxh3 Bd7 21. a4 Rc6 22. Rf2 Re8 23. Ne2 Nxc2 24. Rc1 Nb4 25. Rf3 e5 26. Rxc6 Bxc6 27. Bc4+ Kh8 28. Rb3 exf4 29. Nxf4 Re4 30. Ng6+ Kh7 31. Nf8+ Kh8 32. Ng6+ Kh7 33. Nf8+ 1/2-1/2

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2010.04.02"]
[Round "4"]
[White "Hoekstra, Jan"]
[Black "Hoornstra, Ischa"]
[Result "0-1"]
[ECO "C68"]
[PlyCount "78"]
[EventDate "2010.04.02"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nxe5 Qd4 6. Nd3 Qxe4+ 7. Qe2 Qxe2+ 8. Kxe2 Nf6 9. Nc3 Be7 10. Ne5 0-0 11. d4 Re8 12. Bf4 Bd6 13. Rad1 c5 14. Ke3 cxd4+ 15. Kxd4 c5+ 16. Kc4 b5+ 17. Kd3 Bxe5 18. Bxe5 Rxe5 19. Rhe1 Bf5+ 20. Kd2 Rd8+ 21. Kc1 Rxd1+ 22. Rxd1 b4 23. Rd8+ Ne8 24. Nd1 c4 25. Ra8 a5 26. a3 b3 27. cxb3 cxb3 28. Ne3 h6 29. Nxf5 Rxf5 30. Rxe8+ Kh7 31. Ra8 g5 32. Ra7 h5 33. Rb7 a4 34. Rb4 Rxf2 35. Rxa4 Rxg2 36. Ra5 Rxh2 37. Rxg5 Rc2+ 38. Kb1 Rh2 39. a4 Rh1+ 0-1

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2010.04.02"]
[Round "1"]
[White "Hoornstra, Ischa"]
[Black "Dijkhuis, Sven"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "52"]
[EventDate "2010.04.02"]
[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 d5 2. Nc3 d4 3. Nb1 e5 4. c3 Nc6 5. Bd3 dxc3 6. Nxc3 Qxd3 7. Nd5 Qxe4+ 8. Ne3 Bc5 9. f3 Qg6 10. Ne2 Be6 11. 0-0 0-0-0 12. a3 Bxe3+ 13. Kh1 Bb6 14. b4 Nf6 15. b5 Na5 16. f4 Bd5 17. Ng3 exf4 18. Rxf4 Nh5 19. Rg4 Nxg3+ 20. Rxg3 Qf6 21. d4 Bxd4 22. Bg5 Qe5 23. Bxd8 Bxa1 24. Rd3 Rxd8 25. Qd2 Bxg2+ 26. Kxg2 Qe4+ 0-1

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2010.04.02"]
[Round "3"]
[White "Hoornstra, Ischa"]
[Black "Klein, Jorik"]
[Result "0-1"]
[ECO "C51"]
[PlyCount "68"]
[EventDate "2010.04.02"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 exd4 7. 0-0 Nf6 8. Re1 0-0 9. Qb3 Na5 10. Qa4 Nxc4 11. Qxc4 dxc3 12. Nxc3 d6 13. Qd3 Bg4 14. Ng5 Nd7 15. e5 Bxg5 16. Qg3 Bxc1 17. Qxg4 Bb2 18. Rad1 Bxc3 19. Re3 Bxe5 20. f4 Bf6 21. g3 c5 22. h4 Bd4 23. Rxd4 cxd4 24. Rf3 Rc8 25. Rf1 Nf6 26. Qh3 Qb6 27. Kh2 Rc2+ 28. Kh1 Qc6+ 29. Kg1 Ng4 30. h5 Rh2 31. Qxh2 Nxh2 32. Kxh2 Re8 33. h6 Re2+ 34. Kh3 Qg2+ 0-1

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2010.04.02"]
[Round "5"]
[White "Hoornstra, Ischa"]
[Black "Rekveld, Bram"]
[Result "1-0"]
[ECO "C51"]
[PlyCount "51"]
[EventDate "2010.04.02"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. 0-0 Bc5 5. b4 Bxb4 6. c3 Bc5 7. d4 exd4 8. Qb3 0-0 9. Qc2 d6 10. Ng5 h6 11. Nf3 Bg4 12. Qd2 Bxf3 13. gxf3 Qd7 14. Kh1 dxc3 15. Nxc3 Qh3 16. Rg1 Nd4 17. Rg3 Qh4 18. Qxh6 Qxh6 19. Bxh6 Nh5 20. Rg5 Nc2 21. Rag1 Bxf2 22. R1g2 Be3 23. Rxh5 Ne1 24. Rxg7+ Kh8 25. Rg3 Rg8 26. Bxe3# 1-0

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2010.04.02"]
[Round "2"]
[White "Van Dael, Rens"]
[Black "Hoornstra, Ischa"]
[Result "0-1"]
[ECO "C68"]
[PlyCount "26"]
[EventDate "2010.04.02"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nxe5 Bd6 6. f4 f6 7. Qh5+ g6 8. Nxg6 hxg6 9. Qxh8 Be6 10. g3 Qe7 11. f5 gxf5 12. exf5 Bc4+ 13. Kd1 Qe2# 0-1

