[Event "Wellington CC Summer Cup"]
[Site "Wellington"]
[Date "2015.03.12"]
[Round "5"]
[White "Van der Hoorn, Mark"]
[Black "Brockway, Andrew"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2234"]
[BlackElo "1791"]
[PlyCount "65"]
[EventDate "2015.02.05"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Nxe4 Qxd4 5. Bd3 Nc6 6. f4 Nb4 7. Nf3 Nxd3+ 8. cxd3 Bb4+ 9. Kf1 Bg4 10. Qa4+ Bd7 11. Qb3 Qb6 12. Nxe5 Be6 13. Qa4+ c6 14. Ke2 Qa5 15. Nd6+ Ke7 16. Qxa5 Bxa5 17. Nxb7 Bb6 18. Nxc6+ Kd7 19. Nca5 Bg4+ 20. Kd2 Bxa5+ 21. Nxa5 Nf6 22. Nc4 Be6 23. b3 Nd5 24. g3 Kc7 25. Ba3 Rad8 26. Rac1 Kb8 27. Bb2 Nb4 28. Ne5 Bf5 29. d4 Rhf8 30. Rc4 a5 31. Rc5 Rd5 32. Rhc1 f6 33. Nc6+ 1-0

[Event "Wellington CC Summer Cup"]
[Site "Wellington"]
[Date "2015.02.26"]
[Round "4"]
[White "Griffiths, Tudor"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1400"]
[BlackElo "2234"]
[PlyCount "74"]
[EventDate "2015.02.05"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bc1 e6 4. Nd2 f5 5. Ngf3 b6 6. Nxe4 fxe4 7. Bg5 Be7 8. Bxe7 Qxe7 9. Nd2 e3 10. Nf3 Qb4+ 11. c3 Qxb2 12. Qc1 exf2+ 13. Kxf2 Qxc1 14. Rxc1 Bb7 15. g3 0-0 16. Bg2 d6 17. Rhf1 Nd7 18. Kg1 Rae8 19. Nd2 Bxg2 20. Rxf8+ Rxf8 21. Kxg2 e5 22. Rf1 Rxf1 23. Kxf1 exd4 24. cxd4 Kf7 25. Kf2 Ke6 26. e4 c5 27. d5+ Ke5 28. Ke3 b5 29. Nf3+ Kf6 30. h4 Ne5 31. Nxe5 Kxe5 32. g4 a5 33. g5 a4 34. h5 a3 35. h6 g6 36. Kd3 Kf4 37. Kc3 Kxe4 0-1

[Event "Wellington CC Summer Cup"]
[Site "Wellington"]
[Date "2015.02.19"]
[Round "3"]
[White "Van der Hoorn, Mark"]
[Black "Stracy, Don M"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2234"]
[BlackElo "1863"]
[PlyCount "40"]
[EventDate "2015.02.05"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Bb2 Nc6 6. c4 Qe4+ 7. Qe2 Bf5 8. Nf3 e6 9. d3 Qxe2+ 10. Bxe2 bxa3 11. Bc3 Rd8 12. d4 a2 13. Nbd2 Bb4 14. Bxb4 Nxb4 15. 0-0 Nf6 16. Bd1 0-0 17. Bb3 Ne4 18. Nxe4 Bxe4 19. Bxa2 Nxa2 20. Rxa2 Bxf3 1/2-1/2

[Event "Wellington CC Autumn Cup-A"]
[Site "Wellington"]
[Date "2014.06.05"]
[Round "1"]
[White "Van der Hoorn, Mark"]
[Black "Dive, Russell John"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "2250"]
[BlackElo "2451"]
[PlyCount "74"]
[EventDate "2014.05.01"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 e5 2. d3 Nc6 3. Nc3 g6 4. Nf3 Bg7 5. g3 f5 6. Bg2 Nf6 7. 0-0 0-0 8. Bd2 d6 9. Rb1 a5 10. a3 Kh8 11. b4 axb4 12. axb4 h6 13. b5 Ne7 14. b6 c5 15. Qb3 Bd7 16. Ra1 Bc6 17. Nh4 Bxg2 18. Kxg2 g5 19. Nf3 Qd7 20. Qb5 Nc6 21. Ra4 e4 22. dxe4 fxe4 23. Ne1 Qe6 24. Nc2 Nd4 25. Nxd4 cxd4 26. Rxa8 Rxa8 27. Nd5 Ra2 28. Bb4 Rxe2 29. Nxf6 Qxf6 30. Qd5 e3 31. Qxb7 Rxf2+ 32. Rxf2 Qxf2+ 33. Kh3 h5 34. Qa8+ Bf8 35. g4 Qf1+ 36. Qg2 hxg4+ 37. Kg3 Qf4# 0-1

[Event "Wellington CC Autumn Cup-A"]
[Site "Wellington"]
[Date "2014.05.29"]
[Round "5"]
[White "Croad, Nicholas"]
[Black "Van der Hoorn, Mark"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2357"]
[BlackElo "2250"]
[PlyCount "85"]
[EventDate "2014.05.01"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Nf3 e5 7. d5 Nh5 8. Nh2 Nf4 9. g3 Nxh3 10. Nf3 Nxf2 11. Kxf2 f5 12. Kg1 f4 13. Bh3 Nd7 14. Be6+ Kh8 15. Qf1 Nf6 16. Bxc8 Rxc8 17. Qh3 fxg3 18. Bg5 c6 19. Qxh7+ Nxh7 20. Bxd8 Rxf3 21. Be7 Bf8 22. Bh4 Kg7 23. Rh3 Rf4 24. Rf1 Rc7 25. Bxg3 Ng5 26. Rh1 Rg4 27. Kg2 cxd5 28. Nxd5 Rxc4 29. Ne3 Rcxe4 30. Nxg4 Rxg4 31. Rc1 d5 32. Rc7+ Kg8 33. Rh4 Rxh4 34. Bxh4 Ne6 35. Rxb7 Bc5 36. b4 Bb6 37. a4 e4 38. Bg3 Be3 39. Re7 Ng5 40. Bf2 Bd2 41. b5 Bc3 42. Bxa7 d4 43. b6 1-0

[Event "Wellington CC Autumn Cup-A"]
[Site "Wellington"]
[Date "2014.05.08"]
[Round "2"]
[White "Van der Hoorn, Mark"]
[Black "Sellen, Ian"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2250"]
[BlackElo "2093"]
[PlyCount "55"]
[EventDate "2014.05.01"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c6 4. Nd2 e6 5. Ngf3 Bd6 6. Ne5 0-0 7. Bd3 c5 8. c3 Nc6 9. h4 Qc7 10. Ndf3 Ne4 11. Ng5 Nxe5 12. Bxe4 dxe4 13. Nxe4 Nc4 14. Nxd6 Nxd6 15. dxc5 Rd8 16. Bxd6 Qc6 17. Qd4 b6 18. b4 Qxg2 19. 0-0-0 bxc5 20. Qxc5 Bb7 21. Rhg1 Qf3 22. Rxg7+ Kh8 23. Rdg1 Rac8 24. Be5 f6 25. Rxh7+ Kxh7 26. Qe7+ Kh6 27. Qg7+ Kh5 28. Qh7# 1-0

[Event "Wellington CC Summer Cup"]
[Site "Wellington"]
[Date "2014.04.03"]
[Round "8"]
[White "Van der Hoorn, Mark"]
[Black "Farrington, Lawrence B"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2232"]
[BlackElo "1721"]
[PlyCount "59"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. f3 e5 2. Kf2 d5 3. Kg3 Nc6 4. e3 Nf6 5. Kf2 Bf5 6. Bb5 a6 7. Bxc6+ bxc6 8. Ne2 Bd6 9. b3 c5 10. c4 d4 11. Ng3 Bd7 12. e4 a5 13. a4 g6 14. d3 Bf8 15. h4 h5 16. Bg5 Bg7 17. Nd2 Qb8 18. Qe2 0-0 19. Rag1 c6 20. Ngf1 Re8 21. Bxf6 Bxf6 22. g4 Kf8 23. gxh5 gxh5 24. Ng3 Qd8 25. Nxh5 Bxh4+ 26. Kf1 Bg5 27. Qg2 Be3 28. Qg7+ Ke7 29. Qf6+ Kf8 30. Rg8+ 1-0

[Event "Wellington CC Summer Cup"]
[Site "Wellington"]
[Date "2014.03.27"]
[Round "7"]
[White "Dive, Russell John"]
[Black "Van der Hoorn, Mark"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2441"]
[BlackElo "2232"]
[PlyCount "51"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. d3 g6 4. g3 Bg7 5. Bg2 e5 6. 0-0 Ne7 7. Nbd2 0-0 8. Rb1 Nd7 9. b4 a5 10. a3 axb4 11. axb4 Nb6 12. Qc2 Bd7 13. Nb3 Na4 14. Ra1 Bc6 15. b5 Bd7 16. Nbxd4 Nc5 17. Rxa8 Qxa8 18. Nb3 Qa4 19. Nfd2 e4 20. d4 Nxb3 21. Qxb3 Qa7 22. Nxe4 Bxd4 23. Ba3 Re8 24. Bb2 Nf5 25. e3 Rxe4 26. Bxe4 1-0

[Event "Wellington CC Summer Cup"]
[Site "Wellington"]
[Date "2014.03.20"]
[Round "6"]
[White "Van der Hoorn, Mark"]
[Black "Jackson, L Ross"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2232"]
[BlackElo "2000"]
[PlyCount "39"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bg4 4. f3 Bf5 5. Bd3 e6 6. Bxf5 exf5 7. Qd3 Qd7 8. Ne2 Nc6 9. 0-0 Nh5 10. Nbc3 Nxf4 11. Nxf4 Ne7 12. e4 dxe4 13. fxe4 0-0-0 14. Rad1 fxe4 15. Nxe4 Nc6 16. d5 Ne5 17. Qd4 Nc6 18. Qa4 Nb8 19. Qxa7 b6 20. d6 1-0

[Event "Wellington CC Summer Cup"]
[Site "Wellington"]
[Date "2014.03.13"]
[Round "5"]
[White "Brockway, Andrew"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "C63"]
[WhiteElo "1769"]
[BlackElo "2232"]
[PlyCount "67"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. Qe2 d6 7. Qc4 Bd7 8. Nc3 a6 9. Bxc6 Bxc6 10. Nd5 Nxd5 11. exd5 Bd7 12. Bg5 Be7 13. Qh4 Bxg5 14. Qxg5 0-0 15. Qxd8 Raxd8 16. Nd2 Rf4 17. c3 Rdf8 18. f3 Bb5 19. Rc1 Bd3 20. c4 e4 21. g3 Rxf3 22. Nxf3 Rxf3 23. Kd2 b6 24. Rc3 Kf7 25. Rxd3 Rxd3+ 26. Ke2 Rf3 27. Rc1 Kf6 28. b4 Ke5 29. c5 bxc5 30. bxc5 Ra3 31. cxd6 Rxa2+ 32. Ke3 cxd6 33. h4 Ra3+ 34. Kf2 0-1

[Event "Wellington CC Summer Cup"]
[Site "Wellington"]
[Date "2014.02.27"]
[Round "4"]
[White "Van der Hoorn, Mark"]
[Black "Aldridge, Alan L"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2232"]
[BlackElo "1964"]
[PlyCount "100"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. Nf3 Be7 5. d3 0-0 6. Bg5 d6 7. Qd2 Be6 8. Nd5 Bxd5 9. exd5 Nd4 10. h4 b5 11. Nxd4 exd4 12. Bxb5 Rb8 13. Bc4 Nd7 14. 0-0-0 a5 15. Rh3 f6 16. Bf4 a4 17. Re1 Nc5 18. a3 Re8 19. g4 Rb6 20. f3 Qb8 21. Qf2 Rxb2 22. Qxd4 Rb1+ 23. Kd2 Rxe1 24. Kxe1 f5 25. Kf1 Qb1+ 26. Kg2 Qxc2+ 27. Qf2 Qc3 28. Qe2 Kf8 29. Bb5 Rb8 30. Bd2 Qc2 31. Rh1 Nb3 32. Bxa4 Qxd2 33. Qxd2 Nxd2 34. Rc1 fxg4 35. fxg4 Bxh4 36. Rxc7 Ra8 37. Bd7 Rxa3 38. Be6 Rxd3 39. Rc8+ Ke7 40. Rc7+ Kf6 41. Rf7+ Ke5 42. Rf5+ Kd4 43. Rh5 Rg3+ 44. Kf2 Rxg4+ 45. Ke2 Rg2+ 46. Kd1 Bg5 47. Rxh7 Bh6 48. Rh8 Ne4 49. Ra8 Be3 50. Bc8 Nc3+ 0-1

[Event "Wellington CC Summer Cup"]
[Site "Wellington"]
[Date "2014.02.20"]
[Round "3"]
[White "Cunningham, Patrick D"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1783"]
[BlackElo "2232"]
[PlyCount "92"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc6 5. Bb5 Bg4 6. Nc3 e6 7. h3 Bxf3 8. Qxf3 Bd6 9. 0-0 Qf6 10. Qe3 Nge7 11. Re1 0-0 12. Ne2 Nf5 13. Qg5 Qxg5 14. Bxg5 Nfxd4 15. Bd3 Rac8 16. c3 Nxe2+ 17. Rxe2 Ne5 18. Bb5 a6 19. Ba4 Nc4 20. Rae1 b5 21. Bd1 b4 22. b3 Nb6 23. Be3 Nd7 24. c4 dxc4 25. bxc4 Bc5 26. Ba4 Bxe3 27. Bxd7 Rc7 28. Bxe6 fxe6 29. Rxe3 Rxc4 30. Rxe6 Rc2 31. Rxa6 Rfxf2 32. Re8+ Kf7 33. Rae6 Rxg2+ 34. Kf1 h6 35. R8e7+ Kg8 36. Re2 Rgxe2 37. Rxe2 Rxe2 38. Kxe2 g5 39. Kf3 Kf7 40. Ke4 Kg6 41. Kf3 Kf5 42. Ke3 Ke5 43. Kd3 h5 44. Ke3 g4 45. h4 Kf5 46. Kf2 Ke4 0-1

[Event "Wellington Mazur Memorial"]
[Site "Wellington"]
[Date "2013.12.12"]
[Round "8"]
[White "Van der Hoorn, Mark"]
[Black "Dive, Russell John"]
[Result "1-0"]
[ECO "E25"]
[WhiteElo "2230"]
[BlackElo "2421"]
[PlyCount "101"]
[EventDate "2013.10.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 exd5 8. Bg5 h6 9. Bh4 0-0 10. e3 Re8 11. Qd2 Ne4 12. Bxd8 Nxd2 13. Kxd2 Rxd8 14. Bd3 Nc6 15. Ne2 Na5 16. Rab1 Bd7 17. e4 Rac8 18. e5 Ba4 19. dxc5 Nb3+ 20. Rxb3 Bxb3 21. Rb1 Bc4 22. Rxb7 a6 23. Nd4 Bxd3 24. Kxd3 Re8 25. c6 Rxe5 26. f4 Ree8 27. Rd7 Rcd8 28. Ra7 Kf8 29. Rxa6 Ra8 30. Rxa8 Rxa8 31. Nb5 Ke7 32. Kd4 Kd8 33. Kxd5 Ra4 34. c4 f6 35. Kc5 g5 36. c7+ Kd7 37. fxg5 hxg5 38. g4 Ra6 39. Kd5 Ra8 40. c5 Ra6 41. c8Q+ Kxc8 42. c6 Ra4 43. h3 Rf4 44. Kc5 Rf3 45. Kb6 Rb3 46. a4 Kb8 47. a5 Rb1 48. a6 Ka8 49. c7 Rc1 50. c8Q+ Rxc8 51. Nc7+ 1-0

[Event "Wellington Mazur Memorial"]
[Site "Wellington"]
[Date "2013.12.05"]
[Round "7"]
[White "Van der Hoorn, Mark"]
[Black "Timergazi, Layla"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2230"]
[BlackElo "1889"]
[PlyCount "27"]
[EventDate "2013.10.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c6 3. e3 e6 4. Bd3 Bd6 5. Bxd6 Qxd6 6. Qg4 Qf8 7. Nf3 Nf6 8. Qg3 Nbd7 9. Nbd2 h6 10. 0-0 Nh5 11. Qh4 Ndf6 12. Ne5 g5 13. Qh3 Qg7 14. g4 1-0

[Event "Wellington Mazur Memorial"]
[Site "Wellington"]
[Date "2013.11.14"]
[Round "4"]
[White "Tionko, Efrain"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1844"]
[BlackElo "2230"]
[PlyCount "40"]
[EventDate "2013.10.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 f5 4. d3 Nf6 5. Nc3 Bc5 6. e3 f4 7. Nge2 fxe3 8. fxe3 d6 9. 0-0 0-0 10. d4 Bb6 11. Nd5 Bg4 12. Nxb6 axb6 13. Qe1 Qe8 14. Bd2 Qh5 15. Rf2 Bh3 16. dxe5 dxe5 17. Bb4 Nxb4 18. Qxb4 Bxg2 19. Rxg2 Qf3 20. Rf1 Qxf1+ 0-1

[Event "Wellington Mazur Memorial"]
[Site "Wellington"]
[Date "2013.11.07"]
[Round "3"]
[White "Wastney, Scott C"]
[Black "Van der Hoorn, Mark"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2447"]
[BlackElo "2230"]
[PlyCount "51"]
[EventDate "2013.10.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f4 a6 7. Nxc6 Qxc6 8. Bd3 b5 9. Qe2 Bb7 10. Bd2 Be7 11. a3 Rc8 12. 0-0 Nf6 13. e5 Nd5 14. Nxd5 Qxd5 15. Kh1 0-0 16. Rad1 Qc6 17. Rf3 g6 18. Ba5 f6 19. Rg3 fxe5 20. Bxg6 hxg6 21. Rxg6+ Kf7 22. Qh5 Bf6 23. fxe5 Bg7 24. Qh7 Ke8 25. Rxg7 Qc5 26. Qg6+ 1-0

[Event "Wellington Mazur Memorial"]
[Site "Wellington"]
[Date "2013.10.31"]
[Round "2"]
[White "Van der Hoorn, Mark"]
[Black "Miriyala, Rama Rao"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2230"]
[BlackElo "1906"]
[PlyCount "43"]
[EventDate "2013.10.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. Bf4 Bg4 6. f3 Bh5 7. Ne2 e6 8. 0-0 Bd6 9. Qe1 Bxf4 10. Nxf4 Qb6 11. c3 Qxb2 12. Nxe6 fxe6 13. Qxe6+ Kd8 14. Qd6+ Nbd7 15. Na3 Qxc3 16. Nb5 Qxd3 17. Rfe1 Ne4 18. Qxd5 a6 19. Qxb7 Rc8 20. Qxa6 Nc3 21. Qa5+ Nb6 22. Qxb6+ 1-0

[Event "Wellington Mazur Memorial"]
[Site "Wellington"]
[Date "2013.10.24"]
[Round "1"]
[White "Marney, John"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1600"]
[BlackElo "2230"]
[PlyCount "70"]
[EventDate "2013.10.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. Be3 Bc5 10. Nd2 0-0 11. 0-0 Qe7 12. N2f3 Bb6 13. Qe2 c5 14. Nb3 Bg4 15. Nbd2 Rfe8 16. Bf4 Nxd2 17. Qxd2 Bxf3 18. gxf3 c6 19. Rae1 Qe6 20. Kh1 Qf5 21. Qc1 c4 22. Re2 Re6 23. Rg1 Rae8 24. Rg5 Qh3 25. Rg3 Qh5 26. Qg1 Rg6 27. Qg2 Qf5 28. Rxg6 hxg6 29. Bg3 d4 30. f4 d3 31. cxd3 cxd3 32. Rd2 Ba5 33. Qxc6 Rc8 34. Qa6 Qe4+ 35. Kg1 Rc1+ 0-1

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2013.10.17"]
[Round "7"]
[White "Nijman, Brian"]
[Black "Van der Hoorn, Mark"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2123"]
[BlackElo "2149"]
[PlyCount "126"]
[EventDate "2013.08.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. g3 d5 2. Nf3 Nf6 3. c4 e6 4. Bg2 c6 5. 0-0 Be7 6. b3 0-0 7. d3 Nbd7 8. Re1 e5 9. Qc2 Re8 10. Bb2 Bb4 11. Rf1 e4 12. Ne1 e3 13. f4 Nf8 14. Bc3 Be7 15. Qb2 Bf5 16. Nc2 dxc4 17. bxc4 Bxd3 18. exd3 Qxd3 19. Bd4 e2 20. Re1 Rad8 21. Bxa7 Ne4 22. Bxe4 Qxe4 23. Nc3 Qxc4 24. Qb3 Qxb3 25. axb3 Bf6 26. Nxe2 Bxa1 27. Nxa1 Rxe2 28. Rxe2 Rd1+ 29. Kg2 Rxa1 30. Bc5 Ra8 31. Re7 b5 32. Rc7 Ne6 33. Rxc6 Nxc5 34. Rxc5 Rb8 35. Kf3 Kf8 36. Ke4 Ke7 37. Rc7+ Ke6 38. f5+ Kf6 39. Rc5 h5 40. h4 Re8+ 41. Kf4 b4 42. Rb5 Rd8 43. Rb6+ Ke7 44. Rxb4 Rd1 45. Re4+ Kf6 46. Re3 Rd4+ 47. Re4 Rd1 48. b4 Rf1+ 49. Ke3 Re1+ 50. Kf3 Rf1+ 51. Ke3 Re1+ 52. Kd3 Rb1 53. Kc4 Kxf5 54. Re3 f6 55. b5 g5 56. hxg5 fxg5 57. Kc5 h4 58. gxh4 gxh4 59. b6 Kg4 60. Re8 h3 61. Rg8+ Kf3 62. Rf8+ Kg2 63. Rg8+ Kf2 1/2-1/2

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2013.10.10"]
[Round "1"]
[White "Pomeroy, Arthur"]
[Black "Van der Hoorn, Mark"]
[Result "1/2-1/2"]
[ECO "C83"]
[WhiteElo "2118"]
[BlackElo "2149"]
[PlyCount "37"]
[EventDate "2013.08.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Be3 Be7 10. Nbd2 Qd7 11. c3 Rd8 12. Bc2 f5 13. exf6 Nxf6 14. Qb1 0-0 15. Ng5 h6 16. Nxe6 Qxe6 17. Bf5 Qd6 18. Nf3 Ne5 19. Nxe5 1/2-1/2

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2013.10.03"]
[Round "8"]
[White "Van der Hoorn, Mark"]
[Black "Stone, Andrew"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2149"]
[BlackElo "1920"]
[PlyCount "35"]
[EventDate "2013.08.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bc4 Bg7 6. 0-0 e6 7. f5 exf5 8. d3 Nge7 9. Qe1 0-0 10. Qh4 d5 11. exd5 Nd4 12. Bg5 Re8 13. Rae1 Bf8 14. d6 Qxd6 15. Bxf7+ Kxf7 16. Qxh7+ Bg7 17. Ne5+ Kf8 18. Bxe7+ 1-0

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2013.09.26"]
[Round "9"]
[White "Aldridge, Alan L"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "C63"]
[WhiteElo "1940"]
[BlackElo "2149"]
[PlyCount "106"]
[EventDate "2013.08.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d4 fxe4 5. Nxe5 Nf6 6. Nc3 Be7 7. 0-0 0-0 8. Bg5 Qe8 9. Bc4+ Kh8 10. Qd2 d6 11. Nxc6 bxc6 12. Rae1 d5 13. Be2 Qg6 14. f3 Bf5 15. Bd1 Rae8 16. fxe4 dxe4 17. a3 Ng4 18. Bxg4 Bxg5 19. Bxf5 Rxf5 20. Qe2 e3 21. Rxf5 Qxf5 22. Rf1 Qe6 23. Qd3 Bh4 24. g3 Bf6 25. Ne2 Qd5 26. c3 Qb3 27. Qa6 Qxb2 28. Qxc6 Rg8 29. Qa6 Rf8 30. a4 Qb8 31. Qb5 Qd8 32. Qc5 Be7 33. Qh5 Rxf1+ 34. Kxf1 Qf8+ 35. Ke1 Qf2+ 36. Kd1 Kg8 37. Kc2 g6 38. Qd5+ Kf8 39. Kd3 Qxh2 40. Qf3+ Kg7 41. Qxe3 Bd6 42. Nf4 Bxf4 43. Qxf4 c6 44. Qe5+ Kh6 45. g4 Qxe5 46. dxe5 Kg5 47. Ke4 h5 48. Kd4 hxg4 49. Kc5 g3 50. e6 g2 51. e7 g1Q+ 52. Kd6 Qd1+ 53. Ke6 Qxa4 0-1

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2013.09.05"]
[Round "6"]
[White "Van der Hoorn, Mark"]
[Black "Sellen, Ian"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2149"]
[BlackElo "1983"]
[PlyCount "105"]
[EventDate "2013.08.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 d5 3. e3 Bd6 4. Bxd6 Qxd6 5. Qg4 Ne7 6. Qxg7 Rg8 7. Qxh7 Qb4+ 8. Nd2 Qxb2 9. Rb1 Qxa2 10. Be2 Nd7 11. Ngf3 Nf6 12. Qh4 Ne4 13. 0-0 Nc3 14. Bb5+ c6 15. Ra1 Qxc2 16. Bc4 Qg6 17. g3 dxc4 18. Ne5 Qg7 19. Ndxc4 Nf5 20. Qh5 Rh8 21. Qf3 Nh4 22. Nd6+ Kf8 23. Qxf7+ Qxf7 24. Ndxf7 Rg8 25. Nd6 Nf5 26. Ndc4 Kg7 27. Nb6 Rb8 28. Rxa7 Nb5 29. Raa1 Ne7 30. Kg2 Nd5 31. Nbc4 Rd8 32. h4 Nd6 33. Ra7 Nxc4 34. Nxc6 Bd7 35. Nxd8 Rxd8 36. Rxb7 Ndxe3+ 37. fxe3 Nxe3+ 38. Kg1 Nxf1 39. Kxf1 Kg6 40. Kf2 Kf5 41. Rb4 Ke4 42. Rb2 Kxd4 43. Rd2+ Ke5 44. Ke3 Kf6 45. Kf4 e5+ 46. Ke3 Ke6 47. g4 Ra8 48. h5 Ra4 49. g5 Rg4 50. g6 Be8 51. Rd8 Ke7 52. Rd5 Ke6 53. Rd8 1/2-1/2

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2013.08.29"]
[Round "5"]
[White "Ker, Anthony F"]
[Black "Van der Hoorn, Mark"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2306"]
[BlackElo "2149"]
[PlyCount "70"]
[EventDate "2013.08.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bc4 e6 7. Bd2 c6 8. Ne5 Bb4 9. g4 Be4 10. f3 Bd5 11. g5 Nfd7 12. Nxd5 Bxd2+ 13. Qxd2 Qxd2+ 14. Kxd2 Nxe5 15. Nc7+ Kd7 16. dxe5 Kxc7 17. f4 Nd7 18. Be2 Rad8 19. Ke3 Nb6 20. c4 c5 21. Rad1 Nc8 22. Bf3 Rxd1 23. Rxd1 h6 24. g6 fxg6 25. Rg1 Ne7 26. Be4 g5 27. fxg5 hxg5 28. Rxg5 g6 29. Rg2 Rh6 30. b3 b6 31. Kf4 Rh4+ 32. Kf3 Rh6 33. Kg4 Rh5 34. Kf4 Rh4+ 35. Kf3 Rh6 1/2-1/2

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2013.08.23"]
[Round "4"]
[White "Van der Hoorn, Mark"]
[Black "Nyberg, Michael"]
[Result "1-0"]
[ECO "E26"]
[WhiteElo "2149"]
[BlackElo "1938"]
[PlyCount "39"]
[EventDate "2013.08.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. a3 Bxc3+ 8. bxc3 0-0 9. Ne2 d6 10. 0-0 Nc6 11. Ng3 Qc7 12. Bb1 Rad8 13. Qd3 g6 14. e4 cxd4 15. cxd4 e5 16. Bg5 Qe7 17. f4 exd4 18. Nh5 gxh5 19. e5 dxe5 20. Bxf6 1-0

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2013.08.15"]
[Round "3"]
[White "Dive, Russell John"]
[Black "Van der Hoorn, Mark"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2331"]
[BlackElo "2149"]
[PlyCount "29"]
[EventDate "2013.08.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. d3 Nc6 4. g3 e5 5. Bg2 Bg4 6. h3 Bh5 7. 0-0 Qd7 8. Nbd2 Be7 9. a3 a5 10. Qa4 Ra6 11. Qb5 Nf6 12. Qxb7 Rb6 13. Qa8+ Rb8 14. Nxe5 Rxa8 15. Bxc6 1-0

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2013.08.08"]
[Round "2"]
[White "Van der Hoorn, Mark"]
[Black "Forster, William"]
[Result "1/2-1/2"]
[ECO "A44"]
[WhiteElo "2149"]
[BlackElo "1960"]
[PlyCount "32"]
[EventDate "2013.08.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. dxe6 dxe6 4. Qxd8+ Kxd8 5. e4 Nc6 6. Nf3 Bd6 7. Nc3 Nf6 8. Nb5 Bb8 9. Bg5 Ke7 10. 0-0-0 a6 11. Nc3 h6 12. Be3 b6 13. h3 Bc7 14. Be2 Bb7 15. Nd2 Nd4 16. f3 Rhd8 1/2-1/2

[Event "Wellington CC Autumn Cup-A"]
[Site "Wellington"]
[Date "2013.06.13"]
[Round "2"]
[White "Van der Hoorn, Mark"]
[Black "Wastney, Scott C"]
[Result "1-0"]
[ECO "C72"]
[WhiteElo "2180"]
[BlackElo "2453"]
[PlyCount "121"]
[EventDate "2013.05.09"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 g6 6. d4 Bg7 7. Bxc6+ bxc6 8. dxe5 dxe5 9. Bg5 Qxd1 10. Rxd1 Be6 11. Nbd2 h6 12. Be3 f5 13. Nh4 Kf7 14. Nb3 f4 15. Bd2 Ne7 16. Ba5 g5 17. Nf3 g4 18. Ne1 Ra7 19. Nc5 Bc8 20. Rd2 Ng6 21. Rad1 Re8 22. Rd8 Bf8 23. Rxe8 Kxe8 24. Ned3 Bd6 25. f3 gxf3 26. gxf3 Ra8 27. Kf2 Rb8 28. Bc3 Rb5 29. b4 Kf7 30. Rg1 Rb6 31. h4 Nxh4 32. Rh1 Ng6 33. Rxh6 Rb8 34. a4 Kg7 35. Rh5 Kf6 36. a5 Be6 37. Rh6 Bc4 38. Nxf4 Rg8 39. Nd7+ Ke7 40. Nxg6+ Kxd7 41. Nxe5+ Bxe5 42. Bxe5 Rf8 43. Bd4 Rf7 44. Ke3 Bf1 45. f4 Bc4 46. f5 Ba2 47. b5 cxb5 48. Rxa6 Bb1 49. c3 Rf8 50. Rh6 Rc8 51. Rh7+ Kd6 52. Rh6+ Kd7 53. Bc5 Re8 54. Re6 Rh8 55. a6 Rh3+ 56. Kd4 Rh8 57. a7 Ra8 58. Rf6 Re8 59. e5 Rh8 60. Rf8 Rh4+ 61. Ke3 1-0

[Event "Wellington CC Autumn Cup-A"]
[Site "Wellington"]
[Date "2013.06.06"]
[Round "5"]
[White "Van der Hoorn, Mark"]
[Black "Nijman, Brian"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2180"]
[BlackElo "2218"]
[PlyCount "91"]
[EventDate "2013.05.09"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 c5 3. e3 d5 4. Nf3 Nf6 5. h3 cxd4 6. exd4 Bd7 7. Nbd2 Qa5 8. c3 Bb5 9. a4 Bxf1 10. Kxf1 Nc6 11. g4 Be7 12. Kg2 0-0 13. Re1 Rfc8 14. Qe2 Qd8 15. Qd3 Na5 16. Ne5 Nd7 17. Nxf7 Kxf7 18. Rxe6 Nf8 19. Qf5+ Kg8 20. Rae1 Nc6 21. R6e2 g6 22. Qd3 Qd7 23. Qb5 Bf6 24. Nf3 a6 25. Qb3 Qf7 26. Bg5 Rd8 27. Bxf6 Qxf6 28. Qxb7 Ra7 29. Qb6 Rf7 30. Ne5 Nxe5 31. Qxf6 Rxf6 32. dxe5 Rb6 33. f4 Ne6 34. Kg3 d4 35. f5 d3 36. Rd2 Nc5 37. e6 Nxa4 38. f6 Rb7 39. e7 Re8 40. Rxd3 Kf7 41. Rd8 Rb8 42. Red1 Nxb2 43. R1d4 Na4 44. Rxb8 Nxc3 45. Rxe8 Ne2+ 46. Kf2 1-0

[Event "Wellington CC Autumn Cup-A"]
[Site "Wellington"]
[Date "2013.05.30"]
[Round "4"]
[White "Stone, Andrew"]
[Black "Van der Hoorn, Mark"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "2008"]
[BlackElo "2180"]
[PlyCount "121"]
[EventDate "2013.05.09"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. 0-0 Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. Nce4 0-0-0 12. g4 Qe5 13. Nf3 Qd5 14. fxg7 Rhg8 15. Nf6 Qd6 16. Nxg8 Rxg8 17. Ng5 Bb4 18. Ne4 Qd7 19. Nf6 Bxg4 20. Nxd7 Bxd1 21. Rxd1 Rxg7+ 22. Kf1 Kxd7 23. c3 Bd6 24. cxd4 Bxh2 25. Ke2 Nb4 26. Be3 Nd5 27. Rh1 Bd6 28. a4 a6 29. Rh4 f5 30. Rah1 Nf6 31. Bf4 b5 32. Be5 Re7 33. f4 Nd5 34. Kd1 b4 35. Rxh7 Rxh7 36. Rxh7+ Kc6 37. Rh6 Ne3+ 38. Kd2 Ng4 39. Rh5 Kd5 40. Rxf5 Ke4 41. Rg5 Nh2 42. Rg6 Nf3+ 43. Kc1 Kd5 44. Bxd6 cxd6 45. f5 Nxd4 46. f6 Ne6 47. Kd2 Nf4 48. Rg5+ Kc6 49. Rg4 c3+ 50. bxc3 bxc3+ 51. Kc2 Nd5 52. f7 Ne3+ 53. Kxc3 Nxg4 54. f8Q Ne5 55. Qc8+ Kb6 56. Qb8+ Kc5 57. Qb4+ Kc6 58. a5 Nd7 59. Kd4 d5 60. Qc3+ Kd6 61. Qc8 1-0

[Event "Wellington CC Autumn Cup-A"]
[Site "Wellington"]
[Date "2013.05.23"]
[Round "3"]
[White "Forster, William"]
[Black "Van der Hoorn, Mark"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2088"]
[BlackElo "2180"]
[PlyCount "45"]
[EventDate "2013.05.09"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 c5 7. d3 Na6 8. Rb1 Bd7 9. a3 Qc8 10. Re1 Nc7 11. b4 cxb4 12. axb4 Nfe8 13. Bb2 b5 14. Qb3 bxc4 15. dxc4 Rb8 16. Ra1 Qb7 17. Ne5 Qxb4 18. Qxb4 Rxb4 19. Nxd7 Rxb2 20. Ra3 Rc2 21. Nd5 Nxd5 22. cxd5 Bd4 23. Nxf8 1/2-1/2

[Event "Wellington CC Autumn Cup-A"]
[Site "Wellington"]
[Date "2013.05.09"]
[Round "1"]
[White "Ker, Anthony F"]
[Black "Van der Hoorn, Mark"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2425"]
[BlackElo "2180"]
[PlyCount "65"]
[EventDate "2013.05.09"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Qd2 Nbd7 6. Bh6 Bxh6 7. Qxh6 c5 8. Nf3 Qb6 9. 0-0-0 cxd4 10. Nxd4 Ne5 11. h3 Bd7 12. Qd2 Nc6 13. Nb3 Be6 14. g4 d5 15. exd5 Rd8 16. Bg2 Nb4 17. Qg5 Nfxd5 18. Bxd5 Bxd5 19. Nxd5 Rxd5 20. Rxd5 Qc6 21. Rd8+ Kxd8 22. Rd1+ Kc8 23. Qd2 Na6 24. Qd4 Re8 25. Qxa7 e5 26. Na5 Qb5 27. a4 Qb4 28. Nc6 Qf4+ 29. Rd2 Re6 30. Qa8+ Kc7 31. Na5 Rd6 32. Qxb7+ Kd8 33. Nc6+ 1-0

[Event "Wellington CC Summer Cup"]
[Site "Wellington"]
[Date "2013.04.12"]
[Round "8"]
[White "Van der Hoorn, Mark"]
[Black "Wastney, Scott C"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2165"]
[BlackElo "2381"]
[PlyCount "78"]
[EventDate "2013.02.07"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nd2 Bf5 6. Qb3 Qd7 7. Ngf3 c4 8. Qd1 e6 9. Nh4 b5 10. f3 Bg6 11. a4 b4 12. e4 Nh5 13. Be3 Be7 14. Nxg6 hxg6 15. Bf2 g5 16. g3 g6 17. Bg2 Kf8 18. 0-0 Kg7 19. f4 gxf4 20. g4 Nf6 21. e5 Nh7 22. h4 g5 23. Qf3 Rac8 24. a5 b3 25. Bg3 gxh4 26. Bxf4 Ng5 27. Qe3 Kg6 28. Bxg5 Bxg5 29. Rf6+ Bxf6 30. exf6 Kxf6 31. Rf1+ Ke7 32. Qg5+ Ke8 33. Qg7 Rf8 34. Rf6 Qe7 35. Nf3 Kd7 36. Ng5 Rg8 37. Qh6 Rh8 38. Qg7 Rcg8 39. Qxf7 Rxg5 0-1

[Event "Wellington CC Summer Cup"]
[Site "Wellington"]
[Date "2013.04.04"]
[Round "7"]
[White "Ker, Anthony F"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2452"]
[BlackElo "2165"]
[PlyCount "96"]
[EventDate "2013.02.07"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 d5 5. Nc3 dxe4 6. Bc4 Nf6 7. Qb3 e6 8. d5 exd5 9. Nxd5 Nxd5 10. Bxd5 Qc7 11. Bd2 Bg7 12. Rc1 Nc6 13. Bb4 Qd7 14. Ba3 Nd4 15. Qc4 Qf5 16. Qc7 Bd7 17. Qxb7 Rd8 18. Bxe4 Qe6 19. Qd5 Qa6 20. Qc5 Bf6 21. Qd6 Qa5+ 22. Bb4 Qg5 23. f4 Qb5 24. a3 Bh4+ 25. g3 Bf5 26. Bc6+ Nxc6 27. Qxc6+ Qxc6 28. Rxc6 Be4 29. Rc3 Bxh1 30. gxh4 Kd7 31. Nf3 Bxf3 32. Rxf3 Rhe8+ 33. Kf2 Ke6 34. h5 Rd5 35. hxg6 hxg6 36. Rc3 Rd2+ 37. Kg3 Rxb2 38. Rc7 f5 39. Rxa7 Kd5 40. Ra5+ Ke4 41. Ra6 Rb3+ 42. Kf2 Kxf4 43. Rxg6 Rb2+ 44. Kf1 Rc8 45. Be1 Rc1 46. h4 Rh2 47. Re6 Kf3 48. Kg1 Re2 0-1

[Event "Wellington CC Summer Cup"]
[Site "Wellington"]
[Date "2013.03.14"]
[Round "5"]
[White "Van der Hoorn, Mark"]
[Black "Turner, Michael George"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2165"]
[BlackElo "2139"]
[PlyCount "59"]
[EventDate "2013.02.07"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 g6 2. e4 c5 3. d5 d6 4. f4 Bg7 5. Nf3 a6 6. a4 Bg4 7. Be2 Bxf3 8. Bxf3 Nd7 9. 0-0 c4 10. Nc3 Rb8 11. Be3 Ngf6 12. Ba7 0-0 13. Bxb8 Qb6+ 14. Kh1 Rxb8 15. Qe2 Qc7 16. Rae1 Ne8 17. Bg4 Ndf6 18. Bh3 b5 19. axb5 axb5 20. e5 Nh5 21. g4 b4 22. Ne4 Nxf4 23. Rxf4 Bxe5 24. Rf2 f6 25. Nd2 c3 26. bxc3 Bxc3 27. Qxe7 Qc5 28. Qe6+ Kh8 29. Qf7 Qxf2 30. Qf8# 1-0

[Event "Wellington CC Summer Cup"]
[Site "Wellington"]
[Date "2013.02.28"]
[Round "4"]
[White "Nijman, Brian"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2153"]
[BlackElo "2165"]
[PlyCount "48"]
[EventDate "2013.02.07"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Ne2 c5 6. c3 c4 7. d4 cxd3 8. Ned4 Nc6 9. Qa4 Nc5 10. Nxc6 bxc6 11. Qd4 Ba6 12. Nd2 Nd7 13. Nb3 Qb6 14. Be3 c5 15. Qf4 Qb8 16. 0-0-0 c4 17. Nd4 Qb7 18. Kb1 Ba3 19. Bc1 Nc5 20. b4 Bxb4 21. cxb4 Qxb4+ 22. Ka1 Rb8 23. Nb3 Nxb3+ 24. axb3 Qxb3 0-1

[Event "Wellington CC Summer Cup"]
[Site "Wellington"]
[Date "2013.02.21"]
[Round "3"]
[White "Van der Hoorn, Mark"]
[Black "Stracy, Don M"]
[Result "1-0"]
[ECO "E29"]
[WhiteElo "2165"]
[BlackElo "1763"]
[PlyCount "43"]
[EventDate "2013.02.07"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. a3 Bxc3+ 6. bxc3 0-0 7. e4 d6 8. Bd3 Nc6 9. Ne2 b6 10. 0-0 e5 11. Bg5 h6 12. Bh4 Bb7 13. d5 Na5 14. f4 exf4 15. Nxf4 g5 16. Nh5 Nxh5 17. Qxh5 Kg7 18. e5 dxe5 19. Rf5 Bc8 20. Bxg5 hxg5 21. Rxg5+ Kf6 22. Rxe5 1-0

[Event "Wellington CC Summer Cup"]
[Site "Wellington"]
[Date "2013.02.07"]
[Round "1"]
[White "Cook, John"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1646"]
[BlackElo "2165"]
[PlyCount "52"]
[EventDate "2013.02.07"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. Nf3 0-0 5. 0-0 d6 6. c4 Nbd7 7. Nc3 e5 8. Bc2 Re8 9. Re1 c6 10. e4 Qc7 11. d5 Nb6 12. b3 cxd5 13. exd5 Bg4 14. Ne4 Nxe4 15. Bxe4 f5 16. Bc2 e4 17. Rb1 exf3 18. gxf3 Rxe1+ 19. Qxe1 Bxf3 20. Qe6+ Kh8 21. Bf4 Nxc4 22. Rc1 Ne5 23. Bxf5 Qxc1+ 24. Bxc1 gxf5 25. h3 Be4 26. Kh2 Nf3+ 0-1

[Event "NZL-ch rapid"]
[Site "Wellington"]
[Date "2013.01.12"]
[Round "9"]
[White "Russell, Athula"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "D27"]
[WhiteElo "2272"]
[BlackElo "2144"]
[PlyCount "114"]
[EventDate "2013.01.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. a4 c5 7. 0-0 b6 8. Qe2 Bb7 9. Nc3 Nbd7 10. Rd1 Qb8 11. e4 cxd4 12. Nxd4 Bd6 13. Nf3 0-0 14. Bg5 Ne5 15. h3 Nxc4 16. Qxc4 Be7 17. Qe2 Rd8 18. Rxd8+ Qxd8 19. e5 Nd5 20. Ne4 Bxg5 21. Nfxg5 h6 22. Nf3 Qc7 23. Nd6 Rd8 24. Nd4 Nf4 25. Qg4 Nd3 26. Nxe6 fxe6 27. Qxe6+ Kh8 28. Nf7+ Kh7 29. Nxd8 Be4 30. Qd6 Qc2 31. Rf1 Nf4 32. e6 Bxg2 33. Qxf4 Bxf1 34. e7 Qb1 35. Kh2 Qg6 36. Qg3 Qe8 37. Qe3 Qg6 38. Qg3 Qe8 39. Qd6 Qh5 40. Qg3 Qe8 41. Qd6 Qh5 42. Qe6 Qf3 43. Qg4 Qxf2+ 44. Kh1 Qe1 45. Kh2 Qxe7 46. Ne6 Qf6 47. Kg1 Bd3 48. Nf4 Bc2 49. a5 bxa5 50. h4 Qxb2 51. h5 Qf6 52. Kf2 a4 53. Ke3 a3 54. Qc8 Qe5+ 55. Kf3 Be4+ 56. Kg3 Qg5+ 57. Kh3 Bf5+ 0-1

[Event "NZL-ch 120th"]
[Site "Wellington"]
[Date "2013.01.10"]
[Round "11"]
[White "Stuart, Peter W"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2036"]
[BlackElo "2158"]
[PlyCount "86"]
[EventDate "2012.12.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NZL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. c4 d5 2. cxd5 Nf6 3. Nc3 Nxd5 4. g3 e5 5. Bg2 Be6 6. d3 Nc6 7. Nf3 f6 8. 0-0 Bc5 9. a3 Qd7 10. Qc2 Bb6 11. Bd2 0-0-0 12. Na4 h5 13. Nxb6+ axb6 14. Rfc1 Bh3 15. Bh1 h4 16. b4 hxg3 17. fxg3 Kb8 18. b5 Nd4 19. Nxd4 exd4 20. Qc4 Rhe8 21. Bf3 Bg4 22. Qxd4 Bxf3 23. exf3 Re2 24. Bf4 Nxf4 25. Qxd7 Rxd7 26. gxf4 Rxd3 27. Re1 Rxa3 28. Rxe2 Rxa1+ 29. Kg2 Rb1 30. Re8+ Ka7 31. Re7 Rxb5 32. Rxc7 Rc5 33. Rxg7 b5 34. Re7 b4 35. Re4 Rb5 36. Re1 Ka6 37. Kf2 b3 38. Ke3 b2 39. Rb1 Ka5 40. Kd3 Ka4 41. Kc4 Rb4+ 42. Kc3 Ka3 43. h4 Ka2 0-1

[Event "NZL-ch 120th"]
[Site "Wellington"]
[Date "2013.01.09"]
[Round "10"]
[White "Wastney, Scott C"]
[Black "Van der Hoorn, Mark"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "2313"]
[BlackElo "2158"]
[PlyCount "65"]
[EventDate "2012.12.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NZL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 0-0 7. 0-0 Re8 8. Re1 Bf8 9. Bf1 h6 10. h3 Bd7 11. Bf4 Nc6 12. a3 Nxd4 13. Qxd4 c5 14. Qd3 Bc6 15. Nd5 Bxd5 16. exd5 Qb6 17. b3 Rxe1 18. Rxe1 Qa5 19. Bd2 Qd8 20. f4 g6 21. Qf3 Bg7 22. g3 Qb6 23. Kg2 Re8 24. Rxe8+ Nxe8 25. h4 Qd8 26. h5 Qf6 27. hxg6 fxg6 28. Bd3 Kf7 29. Qg4 Bf8 30. Bc3 h5 31. Qh3 Qe7 32. f5 Ng7 33. f6 1-0

[Event "NZL-ch 120th"]
[Site "Wellington"]
[Date "2013.01.07"]
[Round "8"]
[White "Van der Hoorn, Mark"]
[Black "Russell, Athula"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2158"]
[BlackElo "2274"]
[PlyCount "93"]
[EventDate "2012.12.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NZL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Nc6 5. Nd2 e6 6. Bd3 Bd6 7. Bxd6 Qxd6 8. f4 cxd4 9. cxd4 Nb4 10. Bb1 Bd7 11. a3 Qa6 12. Qb3 Rc8 13. Ne2 Bb5 14. Nc3 Nd3+ 15. Bxd3 Bxd3 16. h3 0-0 17. Kf2 Rc6 18. Rhc1 Rfc8 19. Qd1 b6 20. Na2 Bc2 21. Qe1 R6c7 22. Nc3 Bd3 23. g4 h6 24. Qd1 Ne8 25. h4 Nd6 26. g5 hxg5 27. hxg5 Kf8 28. Nf3 Bf5 29. Ne5 Nc4 30. Nxc4 Rxc4 31. Qh5 Ke7 32. Qh4 b5 33. g6+ Kd6 34. gxf7 Rf8 35. Rg1 g6 36. Qf6 Qc6 37. Rac1 a6 38. Rh1 Qd7 39. Rh8 Rxf7 40. Qe5+ Kc6 41. b3 Rxc3 42. Rxc3+ Kb6 43. Rb8+ Ka5 44. Qh8 Rh7 45. b4+ Ka4 46. Rb6 Qa7 47. Qxh7 1-0

[Event "NZL-ch 120th"]
[Site "Wellington"]
[Date "2013.01.06"]
[Round "7"]
[White "Ker, Anthony F"]
[Black "Van der Hoorn, Mark"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2330"]
[BlackElo "2158"]
[PlyCount "91"]
[EventDate "2012.12.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NZL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 0-0 7. f3 Nbd7 8. Nf5 Nb6 9. Nxe7+ Qxe7 10. Be2 h6 11. Be3 d5 12. Qd4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Qxe4 15. fxe4 Re8 16. 0-0-0 Be6 17. b3 Nd7 18. Bf4 Nf6 19. Bf3 c6 20. Rd4 Red8 21. Rhd1 Rxd4 22. Rxd4 Kf8 23. Kd2 Nd7 24. Bd6+ Ke8 25. e5 Nb6 26. Rb4 Rd8 27. c4 Rd7 28. Kc3 Nc8 29. c5 Ne7 30. Ra4 a6 31. Bxe7 Kxe7 32. Rd4 Rxd4 33. Kxd4 Bf5 34. b4 Ke6 35. Be2 Bb1 36. Bc4+ Ke7 37. Bb3 Bf5 38. Bd1 Be6 39. a3 Bf5 40. g3 Be6 41. a4 Bf5 42. Bf3 Kd7 43. b5 a5 44. Bd1 Be6 45. Bc2 Kc7 46. Bd1 1/2-1/2

[Event "NZL-ch 120th"]
[Site "Wellington"]
[Date "2013.01.05"]
[Round "6"]
[White "Thomas, Benjamin"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2260"]
[BlackElo "2158"]
[PlyCount "35"]
[EventDate "2012.12.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NZL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 7. Qc2 Bxe2 8. Kxe2 e5 9. dxe5 Qxe5+ 10. Kf1 Nf6 11. g3 Bc5 12. Bf4 Qh5 13. Qe2+ Qxe2+ 14. Bxe2 0-0 15. b4 Nxb4 16. cxb4 Bd4 17. Nc3 Bxc3 18. Rb1 0-1

[Event "NZL-ch 120th"]
[Site "Wellington"]
[Date "2013.01.04"]
[Round "5"]
[White "Van der Hoorn, Mark"]
[Black "Milligan, Helen"]
[Result "1-0"]
[ECO "C20"]
[WhiteElo "2158"]
[BlackElo "2013"]
[PlyCount "77"]
[EventDate "2012.12.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NZL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 e5 2. Ne2 Nf6 3. f4 d6 4. Nbc3 Nc6 5. d4 Be7 6. d5 Nb8 7. f5 c6 8. Ng3 Nbd7 9. Be2 Nb6 10. 0-0 Bd7 11. a4 a5 12. Be3 Rc8 13. Nh5 Nxh5 14. Bxh5 Nc4 15. Bc1 Bf6 16. Kh1 c5 17. Qe2 Nb6 18. Bd2 Ra8 19. b3 Nc8 20. Qf2 Na7 21. Be2 h6 22. Bd3 Bg5 23. Be1 Bf6 24. Qe2 Kf8 25. Nd1 Qe8 26. Bxa5 Bd8 27. Bc3 Kg8 28. Ne3 Nc8 29. Bb5 Kh7 30. Bd2 Bg5 31. Bxd7 Qxd7 32. f6 g6 33. Rf3 b5 34. Nf5 gxf5 35. Bxg5 fxe4 36. Rg3 Qf5 37. Qh5 Qg6 38. Bh4 Qxh5 39. Rg7# 1-0

[Event "NZL-ch 120th"]
[Site "Wellington"]
[Date "2013.01.03"]
[Round "4"]
[White "Reedy, Brendan"]
[Black "Van der Hoorn, Mark"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2025"]
[BlackElo "2158"]
[PlyCount "103"]
[EventDate "2012.12.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NZL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. Bg2 Nf6 5. d3 Bc5 6. e3 f4 7. Nge2 fxe3 8. Bxe3 Nd4 9. Bg5 0-0 10. 0-0 d6 11. Nxd4 Bxd4 12. Ne4 c6 13. Nxf6+ gxf6 14. Bh6 Rf7 15. Qh5 Be6 16. Rab1 Qd7 17. b4 Bg4 18. Qh4 Be2 19. Rb3 Bxf1 20. Kxf1 Qf5 21. g4 Qd7 22. Be4 d5 23. Bf5 Qe7 24. Qg3 Kh8 25. Qf3 dxc4 26. dxc4 a5 27. b5 a4 28. Rb1 c5 29. Qe4 a3 30. Rb3 Ra4 31. Qd5 Bb2 32. Rh3 Ra8 33. Rd3 Qc7 34. b6 Qe7 35. Be6 e4 36. Rd1 Rff8 37. Bxf8 Rxf8 38. Qd7 Re8 39. Qxe7 Rxe7 40. Rd8+ Kg7 41. Bd5 e3 42. fxe3 Bc3 43. Ra8 Bb4 44. Ke2 Kg6 45. h4 Kh6 46. Ra7 Rd7 47. Kf3 Rg7 48. Bxb7 Ba5 49. Be4 Bxb6 50. g5+ fxg5 51. hxg5+ Rxg5 52. Rxh7# 1-0

[Event "NZL-ch 120th"]
[Site "Wellington"]
[Date "2013.01.02"]
[Round "3"]
[White "Van der Hoorn, Mark"]
[Black "Fuatai, Fuatai"]
[Result "1/2-1/2"]
[ECO "B86"]
[WhiteElo "2158"]
[BlackElo "2018"]
[PlyCount "28"]
[EventDate "2012.12.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NZL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Be3 Qc7 8. Bb3 b5 9. Qe2 Bd7 10. 0-0-0 Be7 11. g4 b4 12. Nd5 exd5 13. Nf5 Bxf5 14. exf5 0-0 1/2-1/2

[Event "NZL-ch 120th"]
[Site "Wellington"]
[Date "2013.01.01"]
[Round "2"]
[White "Forster, William"]
[Black "Van der Hoorn, Mark"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "1940"]
[BlackElo "2158"]
[PlyCount "79"]
[EventDate "2012.12.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NZL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 c5 3. Bb2 Nc6 4. e3 Bg4 5. h3 Bh5 6. Be2 Nf6 7. d4 Bxf3 8. Bxf3 cxd4 9. exd4 e6 10. 0-0 Bd6 11. c4 0-0 12. Nc3 dxc4 13. d5 exd5 14. Nxd5 Ne5 15. Nxf6+ Qxf6 16. Bxb7 Rab8 17. Bd5 Rfd8 18. Qe2 Qf4 19. g3 Qf5 20. bxc4 Nd3 21. Bd4 Nf4 22. gxf4 Qxf4 23. Rfd1 Qh2+ 24. Kf1 Bc5 25. Qf3 Bxd4 26. Rxd4 Qe5 27. Rad1 Kh8 28. Re4 Qg5 29. Rg4 Qe5 30. Re1 Qb2 31. Rf4 Qxa2 32. Rxf7 Qc2 33. Qg3 Qb2 34. Ree7 Qa1+ 35. Kg2 Rg8 36. Rxa7 Qd4 37. Rfe7 Rbe8 38. Bxg8 Rxe7 39. Rxe7 Qd8 40. Qxg7# 1-0

[Event "NZL-ch 120th"]
[Site "Wellington"]
[Date "2012.12.31"]
[Round "1"]
[White "Van der Hoorn, Mark"]
[Black "Li, William Xiang Wei"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2158"]
[BlackElo "1801"]
[PlyCount "115"]
[EventDate "2012.12.31"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NZL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nf6 4. Nf3 e6 5. Bb5+ Bd7 6. Bc4 Bc6 7. Qe2 d5 8. exd5 Nxd5 9. d3 Be7 10. 0-0 0-0 11. Ne5 Nxc3 12. bxc3 Bd5 13. Rb1 Qc7 14. f5 Bd6 15. fxe6 Bxe6 16. Bxe6 Bxe5 17. Bd5 Nc6 18. Qh5 Bxc3 19. Bf4 Qd7 20. Be3 b6 21. Rf3 Rae8 22. Rh3 h6 23. Bxh6 Re5 24. Bg5 Qxh3 25. Qxh3 Rxd5 26. Qg3 Nd4 27. Kh1 Nxc2 28. Rf1 Nb4 29. a3 Nxd3 30. Be7 Re8 31. Qf3 Nf2+ 32. Rxf2 Rxe7 33. g3 Rd2 34. Rxd2 Bxd2 35. Qd5 Re1+ 36. Kg2 Bh6 37. Qa8+ Kh7 38. Qxa7 Ra1 39. Qxb6 Rxa3 40. Qxc5 Re3 41. Kf2 f6 42. Qf5+ Kg8 43. Qg6 Re5 44. h4 Kf8 45. Qb1 Kg8 46. Kf3 Kh8 47. g4 Re3+ 48. Kf2 Re5 49. g5 Bxg5 50. hxg5 Rxg5 51. Kf3 Re5 52. Kf4 Kg8 53. Qb8+ Kh7 54. Qa8 Rg5 55. Qe8 Re5 56. Qf7 Kh8 57. Qa2 Kh7 58. Qh2+ 1/2-1/2

[Event "Wellington Mazur Memorial"]
[Site "Wellington"]
[Date "2011.11.08"]
[Round "4"]
[White "Jackson, L Ross"]
[Black "Van der Hoorn, Mark"]
[Result "1/2-1/2"]
[ECO "D48"]
[WhiteElo "1969"]
[BlackElo "2182"]
[PlyCount "44"]
[EventDate "2011.10.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. 0-0 c5 10. Re1 Bb7 11. b3 cxd4 12. exd4 Bb4 13. Bd2 Rc8 14. Ne4 Bxd2 15. Nd6+ Kf8 16. Qxd2 Rc7 17. Ng5 Nb6 18. Nxb7 Rxb7 19. Nf3 Qd6 20. Rac1 Ke7 21. Qg5 Nbd5 22. Ne5 g6 1/2-1/2

[Event "Wellington Mazur Memorial"]
[Site "Wellington"]
[Date "2011.11.01"]
[Round "3"]
[White "Van der Hoorn, Mark"]
[Black "Frater, Dylan"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2182"]
[PlyCount "39"]
[EventDate "2011.10.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. d4 e6 3. Nf3 Qa5+ 4. Bd2 Qb6 5. Na3 Qxb2 6. Nc4 Qxa1 7. Qxa1 Nf6 8. Bd3 Nc6 9. 0-0 b5 10. Ne3 c4 11. Be2 Nxe4 12. d5 exd5 13. Nxd5 Bd6 14. Qxg7 Rf8 15. Ng5 Nxd2 16. Re1 Be5 17. Bh5 d6 18. Nxh7 Bb7 19. Nhf6+ Kd8 20. Qxf8# 1-0

[Event "Wellington Mazur Memorial"]
[Site "Wellington"]
[Date "2011.10.18"]
[Round "1"]
[White "Van der Hoorn, Mark"]
[Black "Capper, David"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2182"]
[BlackElo "1728"]
[PlyCount "112"]
[EventDate "2011.10.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. f3 g6 2. Kf2 Bg7 3. Kg3 d5 4. Kh4 Qd6 5. g4 h5 6. Kh3 hxg4+ 7. Kg2 Be5 8. e3 gxf3+ 9. Nxf3 Bh3+ 10. Kg1 Bg4 11. Bg2 Rxh2 12. c4 Rxh1+ 13. Kxh1 c6 14. cxd5 g5 15. Qb3 Bxf3 16. Bxf3 Qh6+ 17. Kg1 Qh2+ 18. Kf1 Qh3+ 19. Bg2 Qf5+ 20. Ke2 Qd7 21. Nc3 Nf6 22. d4 Bg3 23. e4 cxd5 24. e5 Nc6 25. Nb5 Ne4 26. Bxe4 dxe4 27. Qxg3 Nxd4+ 28. Nxd4 Qxd4 29. Qc3 Qd7 30. e6 Qb5+ 31. Ke1 f6 32. Be3 Rd8 33. Rd1 Rxd1+ 34. Kxd1 Qd5+ 35. Qd4 Qxe6 36. Qxa7 Qc6 37. Qd4 Kf7 38. Ke1 Kg6 39. b4 f5 40. Bd2 f4 41. b5 Qe6 42. a4 e3 43. Bc3 Kh5 44. a5 Qb3 45. b6 Kh4 46. Kf1 Qb5+ 47. Ke1 Qb1+ 48. Qd1 Qe4 49. Qe2 Kg3 50. a6 bxa6 51. Qxa6 Qb1+ 52. Ke2 Qc2+ 53. Ke1 Qxc3+ 54. Kf1 Qc1+ 55. Ke2 Qd2+ 56. Kf1 Qf2# 0-1

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2011.10.11"]
[Round "6"]
[White "Forster, William"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "1913"]
[BlackElo "2155"]
[PlyCount "70"]
[EventDate "2011.07.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. b4 f6 4. Bb2 e5 5. a3 c5 6. bxc5 Bg4 7. Qb3 Nd7 8. d3 Bxf3 9. gxf3 Ne7 10. Bh3 Nxc5 11. Qc2 Ng6 12. Bc1 a5 13. a4 Na6 14. Ba3 Nf4 15. Bf5 Bb4+ 16. Kf1 Nc5 17. Nd2 g6 18. Be4 f5 19. Bd5 Qg5 20. Rg1 Qh4 21. Bxb4 axb4 22. Nb3 Qxh2 23. Rg3 Nh3 24. Rxh3 Qxh3+ 25. Kg1 Rxa4 26. Rxa4 Nxa4 27. Nxd4 Nc3 28. Nb5 Nxd5 29. cxd5 0-0 30. d6 f4 31. Qc4+ Kg7 32. Qc7+ Rf7 33. d7 Qxd7 34. Qxe5+ Rf6 35. Nc7 Kf7 0-1

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2011.10.04"]
[Round "1"]
[White "Aldridge, Alan L"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "1937"]
[BlackElo "2155"]
[PlyCount "82"]
[EventDate "2011.07.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Bxf6 Nxf6 8. Rc1 Be7 9. Bd3 dxc4 10. Bxc4 0-0 11. 0-0 c5 12. Qe2 a6 13. a4 Rd8 14. Rfd1 Bd7 15. b3 Rab8 16. Ne5 Be8 17. dxc5 Rxd1+ 18. Qxd1 Rd8 19. Qc2 Bxc5 20. Nd3 Ba3 21. Ra1 Bd6 22. Nf4 g5 23. Nfe2 Qe5 24. g3 b5 25. axb5 axb5 26. Bxb5 Bxb5 27. Ra5 Bd3 28. Qa2 Nd5 29. Nxd5 exd5 30. Nd4 g4 31. Qd2 Qe4 32. b4 Rc8 33. Ra1 Be5 34. Rd1 Ba6 35. b5 Bb7 36. Qb2 h5 37. Qa3 Bxd4 38. exd4 Qe2 39. Rc1 Qxb5 40. Rxc8+ Bxc8 41. Qe7 Bf5 0-1

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2011.09.27"]
[Round "4"]
[White "Dive, Russell John"]
[Black "Van der Hoorn, Mark"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2339"]
[BlackElo "2155"]
[PlyCount "49"]
[EventDate "2011.07.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. b3 Nbd7 7. Bb2 c5 8. e3 b6 9. Qe2 Bb7 10. d3 Qc7 11. Nc3 Rad8 12. e4 dxe4 13. dxe4 a6 14. Rfe1 Ng4 15. Rad1 Nde5 16. Nxe5 Nxe5 17. f4 Nc6 18. Nd5 exd5 19. exd5 Bd6 20. dxc6 Bxc6 21. Bxc6 Qxc6 22. Qg4 g6 23. f5 Rde8 24. fxg6 fxg6 25. Re6 1-0

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2011.09.20"]
[Round "9"]
[White "Van der Hoorn, Mark"]
[Black "Jackson, L Ross"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2155"]
[BlackElo "1961"]
[PlyCount "127"]
[EventDate "2011.07.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 Be7 5. Bd3 Nbd7 6. Ngf3 c5 7. c3 Qb6 8. Rb1 0-0 9. Ne5 Bd6 10. Nec4 dxc4 11. Nxc4 Qa6 12. Bxd6 b5 13. Bxf8 bxc4 14. Be2 Kxf8 15. b3 Bb7 16. 0-0 Be4 17. Rb2 Qc6 18. bxc4 Nb6 19. f3 Bg6 20. Rb5 Nfd7 21. Qb3 Rb8 22. Qa3 a6 23. Ra5 Ra8 24. Rd1 f6 25. Rxa6 Rxa6 26. Qxa6 Qa4 27. Qxa4 Nxa4 28. d5 Nxc3 29. dxe6 Ne5 30. Rd2 Nxe2+ 31. Rxe2 Bd3 32. Rd2 Bxc4 33. f4 Ng4 34. h3 Nxe3 35. a4 Ke7 36. Kf2 Nd5 37. f5 g6 38. Rc2 Bb3 39. Rxc5 gxf5 40. a5 Kd6 41. Rb5 Bc4 42. Rb7 Kxe6 43. Rxh7 f4 44. Rb7 Kf5 45. Kf3 Bd3 46. Rg7 Nc3 47. h4 Be4+ 48. Kf2 Nd1+ 49. Kg1 Ne3 50. h5 Ng4 51. a6 f3 52. Rxg4 Kxg4 53. gxf3+ Bxf3 54. h6 Be4 55. a7 Kg5 56. h7 Bxh7 57. a8Q Bg6 58. Kf2 Bf5 59. Kg3 Bg6 60. Qd8 Bf5 61. Qd4 Kg6 62. Kf4 Bc2 63. Qc4 Bf5 64. Qg8+ 1-0

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2011.09.13"]
[Round "8"]
[White "Nyberg, Michael"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "1973"]
[BlackElo "2155"]
[PlyCount "44"]
[EventDate "2011.07.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. g3 Bc5 5. Bg2 Be6 6. c3 Nd7 7. b4 Bb6 8. Ne2 Qf6 9. 0-0 h5 10. a4 h4 11. Nf3 Bg4 12. Nxh4 Ne7 13. a5 Bc7 14. Qd2 0-0-0 15. f3 Be6 16. f4 dxe4 17. Bxe4 Bh3 18. Rf2 Rxh4 19. gxh4 Qxh4 20. fxe5 Nxe5 21. Qg5 Qxe4 22. Qe3 Rxd3 0-1

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2011.09.06"]
[Round "7"]
[White "Van der Hoorn, Mark"]
[Black "Wilkins, Mark"]
[Result "1/2-1/2"]
[ECO "E27"]
[WhiteElo "2155"]
[BlackElo "1955"]
[PlyCount "69"]
[EventDate "2011.07.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 0-0 7. Bg5 Nbd7 8. e3 h6 9. Bh4 c5 10. cxd5 Qa5 11. Qd2 exd5 12. Bd3 Re8 13. Ne2 cxd4 14. cxd4 Qxd2+ 15. Kxd2 g5 16. Bf2 Nb6 17. Rac1 Re7 18. g4 Be6 19. h4 Nc4+ 20. Bxc4 dxc4 21. hxg5 hxg5 22. e4 Rc8 23. Be3 Bxg4 24. Bxg5 Nxe4+ 25. fxe4 Rxe4 26. Nc3 Rxd4+ 27. Ke3 Rd3+ 28. Kf4 f5 29. Bf6 Kf7 30. Be5 Rf3+ 31. Kg5 Rg8+ 32. Kh4 Rg6 33. Nb5 Rh6+ 34. Kg5 Rg6+ 35. Kh4 1/2-1/2

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2011.08.23"]
[Round "5"]
[White "Van der Hoorn, Mark"]
[Black "Nijman, Brian"]
[Result "0-1"]
[ECO "D84"]
[WhiteElo "2155"]
[BlackElo "2150"]
[PlyCount "74"]
[EventDate "2011.07.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 g6 3. e3 Bg7 4. c4 Nf6 5. Nc3 0-0 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Bxc7 Nc6 9. Nf3 Bg4 10. Be2 Rac8 11. Bg3 Qa5+ 12. Nd2 Bxe2 13. Qxe2 Bxd4 14. 0-0 Be5 15. Nb3 Qc7 16. Rac1 Bxg3 17. hxg3 Rfd8 18. Rfd1 Qe5 19. Rxd8+ Rxd8 20. Nc5 Qd5 21. Nxb7 Rb8 22. Rc5 Qe4 23. Qb5 Nb4 24. Rc7 Nd5 25. Rc4 Qb1+ 26. Kh2 Nb6 27. Rf4 Qxa2 28. Na5 Qd5 29. Qb4 e5 30. Rc4 Nd7 31. Qc3 Nb6 32. Rc5 Qd8 33. Nc6 Qd1 34. Qxe5 Nd7 35. Qf4 Re8 36. Nxa7 Nxc5 37. b4 Qh5+ 0-1

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2011.08.09"]
[Round "3"]
[White "Van der Hoorn, Mark"]
[Black "Ker, Anthony F"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "2155"]
[BlackElo "2344"]
[PlyCount "26"]
[EventDate "2011.07.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 c5 5. e4 cxd4 6. Nxd4 Nc6 7. Be3 Nf6 8. Be2 0-0 9. g4 Nxg4 10. Bxg4 Bxg4 11. f3 Bxd4 12. Bxd4 Bxf3 13. Qxf3 Nxd4 0-1

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2011.08.02"]
[Round "2"]
[White "Sellen, Ian"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1980"]
[BlackElo "2155"]
[PlyCount "50"]
[EventDate "2011.07.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. e3 Nf6 5. Nge2 d5 6. cxd5 Nxd5 7. Bg2 Ndb4 8. 0-0 Nd3 9. Bxc6+ bxc6 10. f4 e4 11. a3 h5 12. Qc2 Bd7 13. Nd1 h4 14. Nf2 hxg3 15. hxg3 Qf6 16. Nxd3 exd3 17. Qxd3 c5 18. Kf2 0-0-0 19. Ke1 Rh2 20. Nc3 Be8 21. Qc4 Bh5 22. Rg1 Qc6 23. b4 Be7 24. b5 Qf3 25. Qf1 Bf6 0-1

[Event "Wellington CC Autumn Cup-A"]
[Site "Wellington"]
[Date "2011.05.24"]
[Round "5"]
[White "Dive, Russell John"]
[Black "Van der Hoorn, Mark"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2419"]
[BlackElo "2178"]
[PlyCount "31"]
[EventDate "2011.04.26"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 Nf6 4. a3 Be7 5. Nc3 0-0 6. b4 Re8 7. e3 Bf8 8. Nge2 a5 9. b5 Nd4 10. exd4 exd4 11. 0-0 dxc3 12. Nxc3 d5 13. Nxd5 Nxd5 14. Bxd5 Bh3 15. Qf3 Bc5 16. Bb2 1-0

[Event "Wellington CC Autumn Cup-A"]
[Site "Wellington"]
[Date "2011.05.17"]
[Round "4"]
[White "Van der Hoorn, Mark"]
[Black "Nijman, Brian"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2178"]
[BlackElo "2167"]
[PlyCount "113"]
[EventDate "2011.04.26"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 Nf6 3. e3 b6 4. Nd2 Ba6 5. Qf3 d5 6. Ne2 Bb4 7. c3 Bd6 8. g4 Bd3 9. Ng3 Bxf1 10. Kxf1 0-0 11. g5 Ne8 12. e4 Bxf4 13. Qxf4 f6 14. g6 hxg6 15. Qg4 f5 16. Qxg6 Rf6 17. Qg5 fxe4 18. Ndxe4 dxe4 19. Nxe4 Qd5 20. Qxd5 exd5 21. Nxf6+ Nxf6 22. Re1 Nbd7 23. Kg2 Kf7 24. a4 a6 25. b4 a5 26. b5 Re8 27. c4 dxc4 28. Rc1 Re2 29. Rxc4 Nd5 30. Kf3 Rb2 31. Rhc1 N7f6 32. Rc6 Rb3+ 33. Kg2 Ra3 34. Rxc7+ Nxc7 35. Rxc7+ Ke6 36. Rc6+ Kd5 37. Rxb6 Rxa4 38. Ra6 Ne4 39. Rg6 Ra2 40. Rxg7 Rxf2+ 41. Kg1 Rb2 42. Rd7+ Ke6 43. Rb7 a4 44. Ra7 Nc3 45. Ra6+ Kd5 46. b6 Kxd4 47. h4 Kc5 48. h5 Kc6 49. h6 Rb4 50. Ra8 Ne2+ 51. Kf2 Nf4 52. h7 Ng6 53. Rg8 Rb2+ 54. Ke3 Rh2 55. Rxg6+ Kb7 56. Rg7+ Kxb6 57. Kd3 1/2-1/2

[Event "Wellington CC Autumn Cup-A"]
[Site "Wellington"]
[Date "2011.05.10"]
[Round "3"]
[White "Ker, Anthony F"]
[Black "Van der Hoorn, Mark"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2456"]
[BlackElo "2178"]
[PlyCount "41"]
[EventDate "2011.04.26"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. dxc5 Qxc5 7. Na3 Nbd7 8. h3 Bh5 9. Be3 Qc8 10. g4 Bg6 11. Bg2 a6 12. Qb3 e6 13. Ng5 Nd5 14. Bxd5 exd5 15. 0-0-0 Nf6 16. Rhe1 Be7 17. Bf4 Qd7 18. Nc4 dxc4 19. Rxd7 cxb3 20. Rdxe7+ Kd8 21. axb3 1-0

[Event "Wellington CC Autumn Cup-A"]
[Site "Wellington"]
[Date "2011.05.03"]
[Round "2"]
[White "Van der Hoorn, Mark"]
[Black "Turner, Michael George"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2178"]
[BlackElo "2099"]
[PlyCount "83"]
[EventDate "2011.04.26"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. Nf3 exd4 9. Nd5 Nxd5 10. cxd5 Bg4 11. Be2 Bxf3 12. Bxf3 Bf6 13. Qa4+ Nd7 14. Bg4 c6 15. Qb4 Ne5 16. Be2 d3 17. Bd1 a5 18. Qxb7 Rb8 19. Qa7 d2+ 20. Bxd2 Rxb2 21. Be2 0-0 22. Rd1 cxd5 23. 0-0 Nc6 24. Qa6 Nd4 25. Bh5 Nb3 26. Be3 d4 27. Qc4 g6 28. Bg4 h5 29. Bh3 Kg7 30. Rd3 Be5 31. Bf4 Bxf4 32. Rxf4 Qd6 33. g3 Qb6 34. Bf1 Kg8 35. Kh1 Rb1 36. Qd5 Rb2 37. Rdf3 Nd2 38. Rf2 Qa7 39. e5 d3 40. e6 f5 41. e7+ Rf7 42. e8Q+ 1-0

[Event "Wellington CC Summer Cup"]
[Site "Wellington"]
[Date "2011.03.08"]
[Round "6"]
[White "Van der Hoorn, Mark"]
[Black "Forster, William"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2147"]
[BlackElo "1990"]
[PlyCount "43"]
[EventDate "2011.02.01"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. Be3 dxe4 4. Nd2 Nf6 5. f3 Nd5 6. Qe2 Nxe3 7. Qxe3 exf3 8. Ngxf3 Nd7 9. Bd3 Be7 10. 0-0 Nf6 11. Ne5 Bd7 12. Ne4 Bc6 13. Ng5 Ng4 14. Qf4 Nxe5 15. dxe5 Qd5 16. Qxf7+ Kd7 17. Be4 Qd4+ 18. Kh1 Bxe4 19. Rad1 Raf8 20. Rxd4+ Bd5 21. Qxe6+ Ke8 22. Qc8+ 1-0

[Event "Wellington CC Summer Cup"]
[Site "Wellington"]
[Date "2011.02.22"]
[Round "4"]
[White "Nyberg, Michael"]
[Black "Van der Hoorn, Mark"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2036"]
[BlackElo "2147"]
[PlyCount "109"]
[EventDate "2011.02.01"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. Bg5 h6 6. Bf4 Nbd7 7. c3 0-0 8. 0-0 c6 9. Re1 Ne4 10. Nfd2 g5 11. Be3 f5 12. f3 f4 13. Bxf4 gxf4 14. fxe4 fxg3 15. hxg3 Qc7 16. e5 Nxe5 17. dxe5 Qb6+ 18. e3 Qxb2 19. Qh5 Kh7 20. Bf1 Qc2 21. Nf3 Bd7 22. Nbd2 Qxc3 23. Rac1 Qa3 24. Nb3 Rg8 25. Bd3+ Kg7 26. Qg6+ Kf8 27. Qxh6+ Ke8 28. Bg6+ Kd8 29. Rc2 Kc7 30. Nbd4 Qa5 31. Qh7 Bb4 32. Nxe6+ Kb6 33. Qxd7 Rxg6 34. Qc7+ Ka6 35. Nc5+ Bxc5 36. Qxa5+ Kxa5 37. Rxc5+ Kb6 38. Rc2 Rxg3+ 39. Kf2 Rag8 40. Nd4 Rg2+ 41. Kf3 R2g3+ 42. Ke2 Re8 43. e6 Rg2+ 44. Kd3 Rxc2 45. Kxc2 c5 46. Rb1+ Ka6 47. Nb5 Re7 48. Kd3 b6 49. a4 Ka5 50. Rf1 Rxe6 51. Nc3 Rd6 52. Rf5 d4 53. Nb5 Rd7 54. exd4 a6 55. Nc3 1/2-1/2

[Event "Wellington CC Summer Cup"]
[Site "Wellington"]
[Date "2011.02.15"]
[Round "3"]
[White "Van der Hoorn, Mark"]
[Black "Wilkins, Mark"]
[Result "1-0"]
[ECO "E24"]
[WhiteElo "2147"]
[BlackElo "1924"]
[PlyCount "45"]
[EventDate "2011.02.01"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. e4 Nxe4 8. fxe4 Qh4+ 9. g3 Qxe4+ 10. Kf2 Qxh1 11. Nf3 Ne7 12. Qe2 Nf5 13. Bg2 Qxg2+ 14. Kxg2 b6 15. g4 Ne7 16. Qe4 d5 17. cxd5 Bb7 18. c4 0-0 19. dxc5 Rfe8 20. Ng5 Ng6 21. c6 exd5 22. Qxd5 Ba6 23. Nxf7 1-0

[Event "Wellington Mazur Memorial"]
[Site "Wellington"]
[Date "2010.12.07"]
[Round "8"]
[White "Nijman, Brian"]
[Black "Van der Hoorn, Mark"]
[Result "1/2-1/2"]
[ECO "C12"]
[WhiteElo "2160"]
[BlackElo "2182"]
[PlyCount "82"]
[EventDate "2010.10.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bg5 e6 4. e4 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. h4 c5 9. h5 Qc7 10. Ne2 Nd7 11. Rh3 Nb6 12. Bf4 Bd7 13. g4 0-0-0 14. f3 Ng5 15. Bxg5 hxg5 16. Qc1 f6 17. f4 cxd4 18. cxd4 gxf4 19. Rc3 Bc6 20. Qxf4 fxe5 21. Qxe5 Qxe5 22. dxe5 d4 23. Rd3 Nc4 24. 0-0-0 Ne3 25. Re1 Rhf8 26. Bh3 Rf3 27. Ng1 Rg3 28. c3 Be4 29. Rxd4 Rxd4 30. cxd4 Nc4 31. g5 Bd5 32. h6 Rxg5 33. hxg7 Rxg7 34. Ne2 Rc7 35. Nf4 Nxe5+ 36. Kb2 Nc4+ 37. Ka1 Rh7 38. Bxe6+ Bxe6 39. Nxe6 b5 40. a4 a6 41. axb5 axb5 1/2-1/2

[Event "Wellington Mazur Memorial"]
[Site "Wellington"]
[Date "2010.11.23"]
[Round "6"]
[White "Van der Hoorn, Mark"]
[Black "Wilson, Dallas JG"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "2182"]
[BlackElo "1712"]
[PlyCount "63"]
[EventDate "2010.10.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 Qf6 5. Nd5 Qxf2+ 6. Kd1 Kf8 7. Nh3 Qd4 8. d3 d6 9. Qh4 Bxh3 10. Qxh3 Qf2 11. b4 Nd4 12. Bd2 c6 13. bxc5 cxd5 14. exd5 dxc5 15. c3 b5 16. Bb3 c4 17. cxd4 cxb3 18. Bb4+ Ke8 19. Rc1 f5 20. Re1 b2 21. Rxe5+ Kd7 22. Rb1 Nh6 23. Re7+ Kd8 24. d6 Qg1+ 25. Re1 Qxd4 26. Qf3 Rc8 27. Ba5+ Kd7 28. Qb7+ Kxd6 29. Bb4+ Rc5 30. Qe7+ Kc6 31. Re6+ Kd5 32. Rd6# 1-0

[Event "Wellington Mazur Memorial"]
[Site "Wellington"]
[Date "2010.11.16"]
[Round "5"]
[White "Van der Hoorn, Mark"]
[Black "Roberts, Michael H"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "2182"]
[BlackElo "1710"]
[PlyCount "33"]
[EventDate "2010.10.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d6 4. Nf3 Be7 5. fxe5 dxe5 6. Nxe5 Nxe4 7. d4 Nxc3 8. bxc3 0-0 9. Bd3 Nd7 10. 0-0 Nxe5 11. dxe5 Be6 12. Qe2 Bc5+ 13. Kh1 c6 14. Qh5 g6 15. Qh6 Qc7 16. Bg5 Be7 17. Bf6 1-0

[Event "Wellington Mazur Memorial"]
[Site "Wellington"]
[Date "2010.11.09"]
[Round "4"]
[White "Gillespie, John G"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1517"]
[BlackElo "2182"]
[PlyCount "130"]
[EventDate "2010.10.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 g5 2. d4 Bg7 3. Bxg5 c5 4. Nf3 cxd4 5. c3 Nc6 6. Bc4 Nf6 7. e5 Ng4 8. cxd4 Qb6 9. 0-0 Qxb2 10. Nbd2 Nxd4 11. Rb1 Nxf3+ 12. Nxf3 Qc3 13. Rc1 Qa5 14. Bd2 Qb6 15. Bxf7+ Kxf7 16. Ng5+ Ke8 17. Qxg4 Bxe5 18. Qc4 d6 19. Qf7+ Kd8 20. Ne6+ Bxe6 21. Qxe6 Qb5 22. Bc3 Bxc3 23. Rxc3 Qd7 24. Qf7 Rc8 25. Qg7 Qe8 26. Rxc8+ Kxc8 27. Rc1+ Kb8 28. Qc3 Qd8 29. Re1 Rg8 30. Qb3 Rg7 31. Rb1 e5 32. Rd1 Rc7 33. g3 h5 34. h4 Qd7 35. Qg8+ Rc8 36. Qg6 d5 37. Qxh5 Qe6 38. Qf3 e4 39. Qf4+ Ka8 40. h5 a6 41. h6 Rh8 42. Qg5 Rxh6 43. Rxd5 Rh8 44. Rd8+ Rxd8 45. Qxd8+ Ka7 46. Qd4+ b6 47. Qg7+ Kb8 48. Qf8+ Kc7 49. Qg7+ Kc6 50. Qc3+ Kb5 51. a3 a5 52. Qd4 Qc4 53. Qd7+ Qc6 54. a4+ Kc5 55. Qe7+ Kc4 56. Qa3 Qc5 57. Qc1+ Kb4 58. Qb1+ Kxa4 59. Qxe4+ Kb3 60. Qe6+ Kb2 61. Qf6+ Ka2 62. Qe6+ Ka3 63. g4 b5 64. Qe3+ Qxe3 65. fxe3 b4 0-1

[Event "Wellington Mazur Memorial"]
[Site "Wellington"]
[Date "2010.11.02"]
[Round "3"]
[White "Pomeroy, Arthur"]
[Black "Van der Hoorn, Mark"]
[Result "1-0"]
[ECO "C40"]
[WhiteElo "2099"]
[BlackElo "2182"]
[PlyCount "51"]
[EventDate "2010.10.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Nxe5 fxe4 4. Qh5+ g6 5. Nxg6 Nf6 6. Qe5+ Be7 7. Nxh8 Nc6 8. Qg3 d5 9. Bb5 Be6 10. d3 Qd7 11. Nc3 0-0-0 12. Bxc6 bxc6 13. dxe4 d4 14. Qd3 dxc3 15. Qa6+ Kb8 16. Be3 c5 17. bxc3 c6 18. 0-0 Rxh8 19. Bf4+ Ka8 20. Rab1 Nxe4 21. Rfd1 Bd5 22. c4 Nxf2 23. Kxf2 Rf8 24. Kg1 Rxf4 25. cxd5 Rg4 26. Qxc6+ 1-0

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2010.10.19"]
[Round "13"]
[White "Nyberg, Michael"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1998"]
[BlackElo "2182"]
[PlyCount "80"]
[EventDate "2010.07.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d6 2. g3 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Nc3 Bc5 6. Bg2 c6 7. Nf3 f6 8. Ne4 Be7 9. Be3 Kc7 10. 0-0-0 Na6 11. Kb1 Nh6 12. h3 Nf5 13. Bc1 Be6 14. g4 Nd6 15. Nfd2 Nb4 16. Nb3 Nxe4 17. Bxe4 a5 18. a3 a4 19. Nd2 Na2 20. Nf3 Bxa3 21. Be3 Be7 22. c3 a3 23. Kc2 axb2 24. Kxb2 Ra3 25. Bd2 Rha8 26. Bc2 R3a6 27. Bxh7 Rb6+ 28. Kc2 Bb3+ 29. Kd3 Rd8+ 30. Nd4 exd4 31. cxd4 Bxd1 32. Ba5 Nb4+ 33. Kc3 Bxe2 34. Bxb6+ Kxb6 35. Re1 Nd5+ 36. Kc2 Ra8 37. Rb1+ Kc7 38. Kb2 Bc4 39. Kc1 Ra2 40. Bc2 Nc3 0-1

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2010.10.12"]
[Round "12"]
[White "Van der Hoorn, Mark"]
[Black "Turner, Michael George"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2182"]
[BlackElo "2099"]
[PlyCount "56"]
[EventDate "2010.07.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bf5 5. Ne2 Bd6 6. Ng3 Bg6 7. Bd3 c6 8. Nf5 Bxf5 9. Bxf5 Qb6 10. Nd2 g6 11. Bd3 Nd7 12. 0-0 0-0 13. c4 dxc4 14. Nxc4 Qc7 15. Nxd6 Qxd6 16. Rc1 Rfe8 17. Bc4 Nb6 18. Qb3 Re7 19. a4 f5 20. g3 h5 21. a5 Nc8 22. Be2 h4 23. Bf3 h3 24. Rc5 Rc7 25. Rfc1 Ne7 26. Qa4 Rac8 27. b4 b6 28. R5c4 b5 0-1

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2010.10.05"]
[Round "11"]
[White "Nijman, Brian"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2160"]
[BlackElo "2182"]
[PlyCount "44"]
[EventDate "2010.07.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 c5 3. d5 Ne4 4. Bf4 Qb6 5. Qc1 c4 6. e3 Qa5+ 7. Nd2 c3 8. bxc3 Nxc3 9. e4 Nxe4 10. Bc4 e5 11. dxe6 fxe6 12. Ngf3 Ba3 13. Qb1 0-0 14. Bxb8 Rxf3 15. c3 Nxd2 16. Kxd2 Rxf2+ 17. Ke1 Rb2 18. Qd3 Rxb8 19. Rf1 Qe5+ 20. Kd1 Qh5+ 21. Ke1 d5 22. Rd1 Qe5+ 0-1

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2010.09.21"]
[Round "9"]
[White "Van der Hoorn, Mark"]
[Black "Sellen, Ian"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2182"]
[BlackElo "2026"]
[PlyCount "66"]
[EventDate "2010.07.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. f3 d5 2. Kf2 c5 3. Kg3 Qc7+ 4. Kf2 Nf6 5. e3 Bd7 6. b3 e5 7. Bb2 Nc6 8. Bb5 0-0-0 9. a4 a6 10. Be2 d4 11. e4 Be6 12. Qf1 Nb4 13. Bc4 Nxc2 14. Bxe6+ fxe6 15. Qc4 Nxa1 16. Qxe6+ Kb8 17. Bxa1 Re8 18. Qc4 Be7 19. Ne2 Rhf8 20. Ng3 Qc6 21. Re1 b5 22. axb5 axb5 23. Qc2 g6 24. Kg1 c4 25. bxc4 Qxc4 26. Qb2 Qb4 27. Qa2 Kb7 28. Bb2 Ra8 29. Qe6 Qd6 30. Qb3 Ra6 31. Na3 Rb6 32. Nc2 Qe6 33. Qd3 Qc4 0-1

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2010.09.07"]
[Round "7"]
[White "Van der Hoorn, Mark"]
[Black "Wilson, Jesse"]
[Result "0-1"]
[ECO "C51"]
[WhiteElo "2182"]
[BlackElo "2078"]
[PlyCount "36"]
[EventDate "2010.07.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. a4 a6 6. Nc3 d6 7. Nd5 Nf6 8. Nxb6 cxb6 9. d4 Bg4 10. dxe5 Nxe5 11. Be2 0-0 12. Nxe5 Bxe2 13. Qxe2 dxe5 14. Bb2 Qc7 15. 0-0 Rac8 16. Rfe1 Rfe8 17. Rad1 Qxc2 18. Qxc2 Rxc2 0-1

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2010.08.24"]
[Round "5"]
[White "Van der Hoorn, Mark"]
[Black "Dive, Russell John"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "2182"]
[BlackElo "2460"]
[PlyCount "86"]
[EventDate "2010.07.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Bd3 Nc6 8. Nge2 0-0 9. 0-0 a5 10. h3 a4 11. Bc2 Nb4 12. Bxa4 Nxc4 13. a3 Nc6 14. Bc2 d5 15. Qd3 g6 16. Ng3 Bf6 17. b3 Nb6 18. Nb5 Nb4 19. axb4 Rxa1 20. Qc3 Rxc1 21. Rxc1 c6 22. Na3 Nd7 23. Bd1 Re8 24. Bf3 Nf8 25. b5 Qb6 26. Ne2 Ne6 27. Rd1 Ng5 28. Kf1 Kg7 29. Bg4 Bxg4 30. hxg4 Ne4 31. Qd3 Ra8 32. Nc2 Ra5 33. b4 Ra8 34. bxc6 bxc6 35. Nf4 Be7 36. f3 Nd6 37. Kf2 Nc4 38. Rh1 Ra2 39. Kg3 Bd6 40. g5 Bxf4+ 41. Kxf4 Rxc2 42. Kg3 Rd2 43. Qc3 Qxd4 0-1

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2010.08.17"]
[Round "4"]
[White "Pomeroy, Arthur"]
[Black "Van der Hoorn, Mark"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2099"]
[BlackElo "2182"]
[PlyCount "17"]
[EventDate "2010.07.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 4. Qe2 Qe7 5. Qxe4 d6 6. d4 dxe5 7. dxe5 Nc6 8. Nc3 Qxe5 9. Bf4 1/2-1/2

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2010.08.10"]
[Round "3"]
[White "Marner, Gavin"]
[Black "Van der Hoorn, Mark"]
[Result "1-0"]
[ECO "C33"]
[WhiteElo "2034"]
[BlackElo "2182"]
[PlyCount "79"]
[EventDate "2010.07.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Bc4 d5 4. exd5 Qh4+ 5. Kf1 f3 6. Bb5+ Bd7 7. Bxd7+ Nxd7 8. Nxf3 Qh5 9. Qe2+ Ne7 10. Nc3 0-0-0 11. d6 Nf5 12. dxc7 Ng3+ 13. hxg3 Qxh1+ 14. Kf2 Bc5+ 15. d4 Rde8 16. Qc4 Nf6 17. dxc5 h5 18. Ng1 Ng4+ 19. Kf1 Nh2+ 20. Kf2 Ng4+ 21. Kf1 Nh2+ 22. Kf2 Re1 23. Nce2 Re8 24. Kxe1 Qxg1+ 25. Kd2 Qxg2 26. Qd3 Kxc7 27. Kc3 Qxe2 28. Bf4+ Kc8 29. Qd6 Qf3+ 30. Kb4 Re4+ 31. c4 Rxf4 32. gxf4 Qe2 33. Qf8+ Kc7 34. Qxf7+ Kb8 35. Qg8+ Kc7 36. Qxg7+ Kc8 37. Qh8+ Kd7 38. Qd4+ Kc7 39. Rd1 Qe8 40. Qe5+ 1-0

[Event "Wellington CC-chA"]
[Site "Wellington"]
[Date "2010.07.27"]
[Round "1"]
[White "Ker, Anthony F"]
[Black "Van der Hoorn, Mark"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2432"]
[BlackElo "2182"]
[PlyCount "41"]
[EventDate "2010.07.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 g5 10. Qe4 Bg7 11. Bb2 f5 12. Qxf5 Rf8 13. Qxh7 Qc5 14. Qh5+ Rf7 15. Qe2 Nb4 16. Bc3 0-0-0 17. Qd2 Re8 18. Bxb4 Qxe5+ 19. Be2 Qxa1 20. 0-0 Qd4 21. Bh5 1-0

[Event "Wellington CC-ch"]
[Site "Wellington"]
[Date "2009.07.28"]
[Round "1"]
[White "Van der Hoorn, Mark"]
[Black "Forster, William"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2154"]
[BlackElo "1963"]
[PlyCount "59"]
[EventDate "2009.07.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 e6 5. d4 cxd4 6. Nb5 d6 7. e5 dxe5 8. fxe5 Nc6 9. Bf4 Nh6 10. Nd6+ Kf8 11. Bb5 Nf5 12. Nxf5 Qa5+ 13. Bd2 Qxb5 14. Nxg7 Kxg7 15. a4 Qd5 16. Qe2 h6 17. 0-0 Rf8 18. Rae1 f5 19. Qf2 Qd8 20. Qg3 Bd7 21. h4 Kh7 22. Qf4 g5 23. hxg5 Rg8 24. gxh6 Rg4 25. Ng5+ Kg6 26. Qxg4 fxg4 27. Rf7 Be8 28. Rg7+ Kh5 29. Kf2 Kxh6 30. Nxe6+ 1-0

[Event "Wellington op"]
[Site "Wellington"]
[Date "2008.03.23"]
[Round "6"]
[White "Baider, Daniel"]
[Black "Van der Hoorn, Mark"]
[Result "1/2-1/2"]
[ECO "D07"]
[WhiteElo "2050"]
[BlackElo "2172"]
[PlyCount "115"]
[EventDate "2008.03.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. c4 Bg4 4. cxd5 Bxf3 5. dxc6 Bxc6 6. Nc3 e6 7. e4 Bb4 8. f3 Qh4+ 9. g3 Qf6 10. Be3 0-0-0 11. Be2 Bc5 12. dxc5 Rxd1+ 13. Rxd1 Ne7 14. Bd4 e5 15. Be3 Qe6 16. b4 a6 17. 0-0 h5 18. Rfe1 f5 19. Bg5 fxe4 20. fxe4 Bd7 21. Bxe7 Qxe7 22. Nd5 Qg5 23. Kh1 Ba4 24. Rd3 Rf8 25. h4 Qh6 26. Rf3 Rxf3 27. Bxf3 Qd2 28. Re2 Qc1+ 29. Kg2 Bd1 30. Rf2 Bxf3+ 31. Kxf3 Qh1+ 32. Ke3 Qe1+ 33. Kf3 c6 34. Ne7+ Kd7 35. Ng6 Qc3+ 36. Kg2 Qxb4 37. Nxe5+ Ke6 38. Nf3 Qxe4 39. Rd2 Ke7 40. Rb2 Qd5 41. Rxb7+ Kf6 42. Rb2 Qxc5 43. Rf2 Qd5 44. Rd2 Qe4 45. Kf2 c5 46. Rd6+ Ke7 47. Rxa6 c4 48. Ra7+ Kd6 49. Ra6+ Kc5 50. Ra5+ Kb4 51. Re5 Qd3 52. Re3 Qb1 53. a3+ Ka4 54. Ng1 Qf5+ 55. Kg2 Qc2+ 56. Ne2 Qd2 57. Kf2 Qd6 58. Nc3+ 1/2-1/2

[Event "Wellington op"]
[Site "Wellington"]
[Date "2008.03.23"]
[Round "5"]
[White "Van der Hoorn, Mark"]
[Black "Forster, William"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2172"]
[BlackElo "1964"]
[PlyCount "67"]
[EventDate "2008.03.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 0-0 10. 0-0 Ng4 11. Qd2 Nxe3 12. Qxe3 Be6 13. Qg3 Qc7 14. Rac1 Qa5 15. Rfd1 Rfc8 16. b3 Bxc3 17. Qxc3 Qxa2 18. Bf3 Qa3 19. e5 Rab8 20. exd6 exd6 21. Ra1 Qc5 22. Ra5 Qb6 23. h4 a6 24. h5 Qd8 25. hxg6 hxg6 26. Bd5 Rc5 27. Rxc5 dxc5 28. Rd3 Qe7 29. Re3 Rd8 30. Qe5 Qh4 31. g3 Qh8 32. Qc7 Rd7 33. Qxc5 Qh5 34. Rxe6 1-0

[Event "Wellington op"]
[Site "Wellington"]
[Date "2008.03.22"]
[Round "4"]
[White "Croad, Nicholas"]
[Black "Van der Hoorn, Mark"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "2313"]
[BlackElo "2172"]
[PlyCount "127"]
[EventDate "2008.03.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. Nf3 Bg7 10. g3 0-0 11. Kg2 Nbd7 12. Re1 Ng4 13. Qe2 Nge5 14. Nd2 Nb6 15. f4 Ned7 16. Qb5 Qc7 17. Qb3 Rfb8 18. Qc2 c4 19. Nf3 Nc5 20. Nb5 Qd7 21. Nbd4 Nb3 22. Nxb3 cxb3 23. Qxb3 Na4 24. Qc2 Bxb2 25. Rb1 Rc8 26. Qf2 Bxc1 27. Rbxc1 Nc3 28. Rc2 Rc5 29. Nd4 Qa4 30. Nb3 Rc4 31. Rec1 Rac8 32. Nd2 R4c5 33. Nb3 Qxe4+ 34. Qf3 Qxf3+ 35. Kxf3 Nxa2 36. Rxc5 Rxc5 37. Rxc5 dxc5 38. Ke4 Nc3+ 39. Ke5 Na4 40. d6 exd6+ 41. Kxd6 c4 42. Nd4 Kg7 43. Kc6 Kf6 44. Kb5 Nb2 45. Kb4 h5 46. Kc3 Nd1+ 47. Kxc4 Ne3+ 48. Kd3 Nf1 49. Nf3 Kf5 50. Ke2 Nxg3+ 51. hxg3 f6 52. Nh4+ Kg4 53. Kf2 g5 54. fxg5 fxg5 55. Ng2 Kf5 56. Kf3 Ke5 57. Ne3 Kf6 58. Ke4 Ke6 59. Nf5 Kf6 60. Nd4 Kg6 61. Ke5 g4 62. Kf4 h4 63. gxh4 Kh5 64. Kg3 1-0

[Event "Wellington op"]
[Site "Wellington"]
[Date "2008.03.22"]
[Round "3"]
[White "Ker, Anthony F"]
[Black "Van der Hoorn, Mark"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2330"]
[BlackElo "2172"]
[PlyCount "79"]
[EventDate "2008.03.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qd2 bxc6 7. Bd3 Ne7 8. 0-0 0-0 9. Qg5 Bd4 10. c3 Be5 11. Qxf6 Bxf6 12. Be3 d6 13. Nd2 a5 14. f4 Re8 15. Rae1 Be6 16. f5 Bd7 17. Nf3 c5 18. e5 dxe5 19. g4 Nd5 20. Bxc5 Rab8 21. Be4 Nf4 22. b3 a4 23. Nd2 axb3 24. axb3 Red8 25. Be3 Bh4 26. Ra1 Ne2+ 27. Kg2 Nxc3 28. Bf3 e4 29. Nxe4 Nxe4 30. Bxe4 Re8 31. Kf3 Rxb3 32. Rfb1 Rc3 33. Rc1 Bf6 34. Rxc3 Bxc3 35. Ra7 Be5 36. Bf4 Bxf4 37. Kxf4 Rc8 38. Bb7 Rd8 39. Be4 Rc8 40. Bb7 1/2-1/2

[Event "Wellington op"]
[Site "Wellington"]
[Date "2008.03.21"]
[Round "2"]
[White "Van der Hoorn, Mark"]
[Black "Aldridge, Alan L"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2172"]
[BlackElo "1962"]
[PlyCount "59"]
[EventDate "2008.03.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. Bg5 Bg4 6. f3 Bh5 7. Bxf6 gxf6 8. Ne2 Bh6 9. 0-0 Nc6 10. Ng3 Bg6 11. f4 Qb6 12. f5 Qxb2 13. Nd2 Qxd4+ 14. Kh1 0-0-0 15. Nb3 Qh4 16. Be2 d4 17. Qd3 Bf4 18. Qf3 Bxg3 19. Qxg3 Qxg3 20. hxg3 e5 21. Kg1 Rd6 22. Nc5 Nb4 23. Ne4 Rc6 24. fxg6 fxg6 25. Rxf6 Rxc2 26. Bg4+ Kc7 27. Rf7+ Kb6 28. Rb1 Ka5 29. Rxb7 Na6 30. R7b5+ 1-0

[Event "Wellington op"]
[Site "Wellington"]
[Date "2008.03.21"]
[Round "1"]
[White "Van der Hoorn, Mark"]
[Black "Du Plessis, Neels"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "2172"]
[PlyCount "35"]
[EventDate "2008.03.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d6 4. Nf3 Bg4 5. Bc4 Bxf3 6. Qxf3 Be7 7. d3 0-0 8. f5 Nc6 9. g4 Nd4 10. Qg2 Kh8 11. Be3 Nxg4 12. Qxg4 Nxc2+ 13. Kd2 Nxa1 14. Rg1 g5 15. h4 f6 16. hxg5 fxg5 17. Rh1 Kg7 18. Rxh7+ 1-0

[Event "Otago Queen's Birthday op"]
[Site "Dunedin"]
[Date "2006.06.05"]
[Round "6"]
[White "Donaldson, Bruce"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "D42"]
[WhiteElo "2062"]
[BlackElo "2105"]
[PlyCount "178"]
[EventDate "2006.06.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 e6 5. Nf3 Nf6 6. Nc3 Be7 7. cxd5 Nxd5 8. Bd3 0-0 9. 0-0 Nc6 10. Re1 Bf6 11. Be3 b6 12. Qe2 Ndb4 13. Be4 Ba6 14. Qd2 Rc8 15. Rac1 Ne7 16. Bb1 Bb7 17. Ne5 Nbd5 18. Qd3 g6 19. Qe2 Nxc3 20. bxc3 Qd5 21. Nf3 Nf5 22. c4 Qa5 23. Red1 Nxe3 24. fxe3 Rc7 25. e4 Qh5 26. Bd3 Rfc8 27. e5 Bxf3 28. Qxf3 Qxf3 29. gxf3 Bg5 30. Rc2 Be3+ 31. Kg2 Bxd4 32. f4 b5 33. c5 Rxc5 34. Rdc1 Bc3 35. a3 a6 36. Kf3 Bd4 37. Ke4 Rxc2 38. Rxc2 Rxc2 39. Bxc2 Bc5 40. a4 bxa4 41. Bxa4 Kg7 42. Kf3 f6 43. exf6+ Kxf6 44. Ke4 Bd6 45. h3 a5 46. Bb3 Bb4 47. Ba4 Ke7 48. Ke5 Bc3+ 49. Ke4 Kd6 50. Bb3 Ke7 51. Ba4 Kf6 52. Bb3 Bd2 53. Bc2 h6 54. Bb3 g5 55. fxg5+ Bxg5 56. Bd1 Ke7 57. Ke5 Bf6+ 58. Ke4 Kd6 59. Bb3 Bb2 60. Kd3 Ke5 61. Ke3 Bd4+ 62. Kf3 Kf5 63. Bc2+ Kg5 64. Bb3 e5 65. Ba4 Kf5 66. Bc2+ Ke6 67. Ke4 Kd6 68. Kd3 Kc5 69. Bb3 Kb4 70. Bd5 a4 71. Kc2 Kc5 72. Bf7 Kd6 73. Kd3 Ke7 74. Bc4 Kf6 75. Ke4 Kg5 76. Be6 a3 77. Kf3 Kh4 78. Ke4 Kg3 79. Kd3 Kf3 80. Bg4+ Kf4 81. Be6 Bb2 82. Ke2 Ke4 83. Bf7 Kd4 84. Kd2 e4 85. Ke2 e3 86. Bg8 Bc1 87. Kd1 Kc3 88. Be6 Bd2 89. Bf7 Kb2 0-1

[Event "Otago Queen's Birthday op"]
[Site "Dunedin"]
[Date "2006.06.05"]
[Round "5"]
[White "Johnson, Quentin JF"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "2171"]
[BlackElo "2105"]
[PlyCount "58"]
[EventDate "2006.06.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 b4 5. Nbd2 d6 6. e4 g6 7. b3 Bg7 8. Bb2 0-0 9. Qc2 e5 10. dxe6 fxe6 11. Be2 Nc6 12. 0-0 e5 13. Ne1 Bh6 14. Rd1 Ng4 15. Bxg4 Bxg4 16. Ndf3 Nd4 17. Nxd4 Bxd1 18. Qxd1 exd4 19. Nd3 Qh4 20. e5 dxe5 21. Nxc5 Rae8 22. g3 Qh3 23. Ne4 Rf5 24. Bc1 Ref8 25. g4 Bf4 26. Ng3 Bxg3 27. hxg3 Rf3 28. g5 e4 29. Bf4 R8xf4 0-1

[Event "Otago Queen's Birthday op"]
[Site "Dunedin"]
[Date "2006.06.04"]
[Round "4"]
[White "Van der Hoorn, Mark"]
[Black "Croad, Nicholas"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2105"]
[BlackElo "2243"]
[PlyCount "114"]
[EventDate "2006.06.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Rb8 7. c3 e5 8. Nh4 Nge7 9. f4 exf4 10. gxf4 Nf5 11. Nxf5 gxf5 12. Nd2 0-0 13. Qh5 Qf6 14. exf5 Bxf5 15. Ne4 Qg6 16. Qxg6 hxg6 17. Nxd6 Bxd3 18. Rf3 c4 19. Be3 Rfd8 20. Nb5 a6 21. Nc7 Rbc8 22. Bb6 Rd7 23. Re1 Rdxc7 24. Bxc7 Rxc7 25. Re8+ Bf8 26. Bf1 Bxf1 27. Kxf1 Ne7 28. Rb8 Nf5 29. Rf2 Kg7 30. Re2 Bc5 31. Re4 Kf6 32. Kg2 Rd7 33. Re2 Bd6 34. Rc8 Bxf4 35. Re4 g5 36. Rh8 Kg7 37. Rh5 Rd2+ 38. Kf3 Nh6 39. h4 Kg6 40. hxg5 Kxh5 41. Kxf4 Ng4 42. Rxc4 Rf2+ 43. Kg3 Rf3+ 44. Kxf3 Ne5+ 45. Ke4 Nxc4 46. b3 Kxg5 47. bxc4 f5+ 48. Kd5 f4 49. Kc5 f3 50. Kb6 f2 51. Kxb7 f1Q 52. Kxa6 Qxc4+ 53. Kb6 Qxa2 54. Kc5 Kf5 55. c4 Ke5 56. Kb5 Qb3+ 57. Kc5 Qa4 0-1

[Event "Otago Queen's Birthday op"]
[Site "Dunedin"]
[Date "2006.06.04"]
[Round "3"]
[White "Van der Hoorn, Mark"]
[Black "Sutton, Richard John"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2105"]
[BlackElo "2307"]
[PlyCount "87"]
[EventDate "2006.06.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 e6 7. c3 Nge7 8. Nh4 0-0 9. f4 f5 10. exf5 exf5 11. Qb3+ d5 12. Nd2 Qd6 13. Ndf3 Bd7 14. Bd2 Rae8 15. Rfe1 Nc8 16. Ne5 Be6 17. Qxb7 Nxe5 18. fxe5 Bxe5 19. Bh6 Rf7 20. Qb5 Bd7 21. Qb3 Nb6 22. Nf3 Bg7 23. Bf4 Qf8 24. Ne5 Ba4 25. Qa3 Rfe7 26. d4 cxd4 27. cxd4 Bc6 28. Rec1 Ba8 29. Bg5 Bf6 30. Bxf6 Qxf6 31. Qa5 Kg7 32. b3 Nd7 33. Nf3 Nb6 34. Re1 Rxe1+ 35. Rxe1 Rxe1+ 36. Qxe1 Qd6 37. Qe8 Bc6 38. Qe3 Nd7 39. Qc3 Nf6 40. Ne5 Bb7 41. Qe3 Qc7 42. Nd3 Ne4 43. Nc5 Kf6 44. b4 1-0

[Event "Otago Queen's Birthday op"]
[Site "Dunedin"]
[Date "2006.06.03"]
[Round "2"]
[White "Riley, John D"]
[Black "Van der Hoorn, Mark"]
[Result "0-1"]
[ECO "A56"]
[BlackElo "2105"]
[PlyCount "24"]
[EventDate "2006.06.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. dxc5 e5 4. Nc3 Bxc5 5. Bg5 Qb6 6. e3 Qxb2 7. Qc1 Ba3 8. Nge2 Qxc1+ 9. Nxc1 Bb4 10. Ke2 Bxc3 11. Rb1 Ne4 12. Bh4 Ba5 0-1

[Event "Otago Queen's Birthday op"]
[Site "Dunedin"]
[Date "2006.06.03"]
[Round "1"]
[White "Van der Hoorn, Mark"]
[Black "Gold, Hamish R"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2105"]
[BlackElo "1867"]
[PlyCount "111"]
[EventDate "2006.06.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NZL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. f3 e5 2. Kf2 d5 3. Kg3 Be7 4. Kf2 Nf6 5. e3 0-0 6. b3 c5 7. Bb2 e4 8. Be2 d4 9. exd4 cxd4 10. fxe4 Nxe4+ 11. Kf1 Nc6 12. Nf3 Bf6 13. d3 Nd6 14. Nbd2 Nf5 15. Kf2 Ne3 16. Qc1 Ng4+ 17. Kg1 Bf5 18. Nf1 Re8 19. Qd2 Ne3 20. Re1 Qd6 21. Bd1 Nd5 22. Ng3 Bg6 23. Rxe8+ Rxe8 24. Kf2 Qd7 25. Re1 Ne3 26. Kg1 h5 27. Qf2 h4 28. Nf1 Nxd1 29. Rxd1 h3 30. g3 Bh5 31. N1d2 Qd5 32. Ne4 Ne5 33. g4 Bxg4 34. Nxe5 Bxe5 35. Rf1 f5 36. Ng5 Bxh2+ 37. Qxh2 f4 38. Nxh3 f3 39. Nf2 Bh5 40. Ne4 Re6 41. Kf2 Rg6 42. Rg1 Rxg1 43. Qxg1 Qc6 44. Bxd4 Qxc2+ 45. Ke3 Qe2+ 46. Kf4 Qg2 47. Qxg2 fxg2 48. Kg3 Be2 49. Kxg2 Bxd3 50. Nc5 Bb1 51. a3 a6 52. Kf3 Bc2 53. b4 Kf7 54. Nxb7 Bd3 55. Nc5 g5 56. Nxd3 1-0

[Event "NZL-ch 112th"]
[Site "Wanganui"]
[Date "2005.01.10"]
[Round "11"]
[White "Van der Hoorn, Mark"]
[Black "McDonald, John A"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2133"]
[BlackElo "2018"]
[PlyCount "40"]
[EventDate "2005.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NZL"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. f3 f5 2. Kf2 e5 3. Kg3 f4+ 4. Kf2 Bc5+ 5. e3 Nh6 6. g3 0-0 7. d4 fxe3+ 8. Bxe3 Ng4+ 9. Ke2 Nxe3 10. Kxe3 Bxd4+ 11. Ke2 Bxb2 12. Nd2 Bxa1 13. Qxa1 d5 14. Kd1 Nc6 15. Ne2 Bf5 16. f4 Qf6 17. Bg2 Rad8 18. Qb1 e4 19. Qb3 Qa1+ 20. Nc1 Bg4+ 0-1

[Event "NZL-ch 112th"]
[Site "Wanganui"]
[Date "2005.01.09"]
[Round "10"]
[White "Spain, Graeme"]
[Black "Van der Hoorn, Mark"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "2179"]
[BlackElo "2133"]
[PlyCount "83"]
[EventDate "2005.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NZL"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Ne7 6. Nxe5 Qd4 7. Qh5 g6 8. Nf3 Qxe4 9. Qa5 Bg4 10. d3 Qf5 11. Qxc7 Bxf3 12. gxf3 Bg7 13. Qxb7 Rc8 14. Re1 Bf6 15. Bh6 Qd7 16. Qxd7+ Kxd7 17. Nd2 Nf5 18. Be3 Bxb2 19. Rab1 Bc3 20. Rb7+ Rc7 21. Rxc7+ Kxc7 22. Bf4+ Kd7 23. Rb1 Bxd2 24. Bxd2 Nd4 25. Kg2 Nxc2 26. Rb7+ Ke6 27. Rc7 Kd5 28. Rxf7 Rb8 29. Rxh7 Rb2 30. Rg7 Kd4 31. Rxg6 Kxd3 32. Bg5 Nd4 33. h4 c5 34. h5 c4 35. h6 Rb8 36. h7 Rh8 37. Rg7 c3 38. Rd7 c2 39. Be3 Ke2 40. Rxd4 Rxh7 41. Rd2+ Ke1 42. Rxc2 1-0

[Event "NZL-ch 112th"]
[Site "Wanganui"]
[Date "2005.01.08"]
[Round "9"]
[White "Van der Hoorn, Mark"]
[Black "Croad, Nicholas"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2133"]
[BlackElo "2243"]
[PlyCount "43"]
[EventDate "2005.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NZL"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 7. f3 Bh5 8. Bf4 Qd7 9. 0-0 Nf6 10. Nd2 e6 11. Qe1 Bd6 12. Qg3 Bxf4 13. Nxf4 Bg6 14. Rae1 0-0 15. Nxg6 hxg6 16. f4 Rab8 17. Qh4 Rfe8 18. Re3 Qd8 19. g4 Kf8 20. Nf3 Nd7 21. Ng5 Qe7 22. Qh8# 1-0

[Event "NZL-ch 112th"]
[Site "Wanganui"]
[Date "2005.01.07"]
[Round "8"]
[White "Thornton, Giovanni Antonio"]
[Black "Van der Hoorn, Mark"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "1982"]
[BlackElo "2133"]
[PlyCount "57"]
[EventDate "2005.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NZL"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. e4 b4 7. Nb5 d6 8. Bc4 g6 9. e5 dxe5 10. d6 Na6 11. Nf3 exd6 12. Bg5 Bb7 13. Nxe5 Qe7 14. Nxd6+ Qxd6 15. Bxf7+ Ke7 16. Qxd6+ Kxd6 17. Bxf6 Bh6 18. Rd1+ Kc7 19. Rd7+ Kb6 20. Bxh8 Rxh8 21. 0-0 Nb8 22. Nc4+ Kc6 23. Re7 Ba6 24. Rd1 Bf4 25. g3 Bg5 26. Rd6+ Kb5 27. Rb7+ Bxb7 28. Rb6+ Ka4 29. b3# 1-0

[Event "NZL-ch 112th"]
[Site "Wanganui"]
[Date "2005.01.07"]
[Round "7"]
[White "Van der Hoorn, Mark"]
[Black "Burns, Christopher John"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2133"]
[PlyCount "50"]
[EventDate "2005.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NZL"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. 0-0 0-0 8. c4 c6 9. cxd5 cxd5 10. Nc3 Nxc3 11. bxc3 Bg4 12. h3 Bh5 13. Rb1 Nd7 14. Rb5 Nb6 15. c4 Bxf3 16. Qxf3 dxc4 17. Bc2 Qc7 18. Be3 a6 19. Bh6 axb5 20. Qf5 Rfe8 21. Qxh7+ Kf8 22. Qh8+ Ke7 23. Re1+ Kd7 24. Bf5+ Re6 25. Qxg7 Kc6 0-1

