[Event "Utrecht OKU op"]
[Site "Utrecht"]
[Date "2007.06.09"]
[Round "3.21"]
[White "Hovestadt, Leo"]
[Black "Ter Haar, Otto"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2070"]
[PlyCount "101"]
[EventDate "2007.06.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. Nd5 Bc5 6. e3 0-0 7. Ne2 d6 8. 0-0 a5 9. f4 Nxd5 10. cxd5 Ne7 11. b3 c6 12. dxc6 Nxc6 13. Bb2 Qe7 14. Nc3 exf4 15. Nd5 Qg5 16. Rxf4 Bd7 17. Bf6 gxf6 18. Nxf6+ Kh8 19. Nxd7 Rfd8 20. Nf6 Ne5 21. Ne4 Qg7 22. d4 Ng6 23. dxc5 Nxf4 24. exf4 dxc5 25. Qc1 b6 26. Qc3 Ra7 27. Re1 Qxc3 28. Nxc3 Rd2 29. Bc6 Rc7 30. Bb5 Kg7 31. Re2 Rxe2 32. Nxe2 Rc8 33. Kf2 Rd8 34. Ke3 Rd1 35. Nc3 Re1+ 36. Kf3 Rh1 37. h4 Rh2 38. a4 Rd2 39. Bc4 Rd6 40. f5 f6 41. Nd5 Rc6 42. Nf4 Rd6 43. Bd5 Kf8 44. Ke4 Ke7 45. g4 h6 46. Ne6 Rd7 47. g5 fxg5 48. hxg5 hxg5 49. Ke5 g4 50. f6+ Kf7 51. Nf4+ 1-0

[Event "NED U20-ch28"]
[Site "Rotterdam"]
[Date "1978.??.??"]
[Round "7"]
[White "Hoeksema, Hendrik Pieter"]
[Black "Ter Haar, Otto"]
[Result "1/2-1/2"]
[ECO "C34"]
[PlyCount "88"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d6 4. d4 Nf6 5. Nc3 Nc6 6. Bxf4 Bg4 7. Qd2 Qe7 8. 0-0-0 0-0-0 9. Re1 Nh5 10. Be3 h6 11. d5 Ne5 12. Nxe5 dxe5 13. Bxa7 Qb4 14. Bf2 Qa5 15. h3 Bd7 16. Bc4 Nf4 17. Rhg1 g5 18. Ne2 Bb4 19. c3 Bd6 20. Nxf4 gxf4 21. b4 Qa4 22. Qc2 Qa3+ 23. Qb2 Qa4 24. Qb3 Qa8 25. Bd3 b5 26. Kb2 Qb7 27. a3 c6 28. c4 bxc4 29. Qxc4 Kb8 30. dxc6 Bxc6 31. Qa6 Qxa6 32. Bxa6 Bxb4 33. Re2 Bd2 34. Bb6 Rd7 35. Rb1 Ka8 36. Ka2 Rg8 37. Bc4 Bc3 38. Rc1 Rg3 39. Rcc2 Rd1 40. Bf2 Ra1+ 41. Kb3 Rb1+ 42. Ka2 Ra1+ 43. Kb3 Rb1+ 44. Ka2 Ra1+ 1/2-1/2

[Event "NED U20-ch28"]
[Site "Rotterdam"]
[Date "1978.??.??"]
[Round "1"]
[White "Teeuwen, Jos"]
[Black "Ter Haar, Otto"]
[Result "0-1"]
[ECO "A28"]
[PlyCount "54"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 0-0 6. Nd5 Re8 7. Bd3 g6 8. Nxf6+ Qxf6 9. Be4 a5 10. a3 Bf8 11. b3 Qe7 12. 0-0 Bg7 13. Bb2 d6 14. Rfe1 Bg4 15. d3 Nd8 16. Nd2 c6 17. Bf3 Bf5 18. Ne4 Ne6 19. g3 Rac8 20. Qd2 Qd8 21. b4 d5 22. cxd5 cxd5 23. Nc3 e4 24. Be2 d4 25. Nxe4 dxe3 26. fxe3 Bxe4 27. Bxg7 Nxg7 0-1

[Event "NED U20-ch28"]
[Site "Rotterdam"]
[Date "1978.??.??"]
[Round "2"]
[White "Ter Haar, Otto"]
[Black "Brouwer, Erik"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "105"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Be7 5. Be2 Nf6 6. Nc3 0-0 7. 0-0 Nbd7 8. f4 Nc5 9. Bf3 c6 10. Kh1 Ne6 11. Nb3 Nd7 12. Be3 Nb6 13. Qe2 Qc7 14. Rad1 Bd7 15. Bg4 Rae8 16. a4 Bf6 17. a5 Nc8 18. e5 dxe5 19. f5 Nd4 20. Qd3 c5 21. Nd5 c4 22. Nxc7 cxd3 23. Rxd3 Rd8 24. Nxd4 exd4 25. Bxd4 Bc6 26. Bxf6 Rxd3 27. cxd3 gxf6 28. Bf3 Rd8 29. Bxc6 bxc6 30. Re1 Kf8 31. g4 Ne7 32. Na6 Rxd3 33. Nc5 Rd5 34. b4 Rd4 35. h3 Nd5 36. Nd7+ Kg7 37. Nc5 Rxb4 38. Rc1 Rb5 39. a6 Ra5 40. Kg2 Ra3 41. Rb1 Nf4+ 42. Kf1 Ra5 43. Rc1 Nxh3 44. Ke2 Nf4+ 45. Ke3 Nd5+ 46. Kd4 Nc7 47. Rb1 Nxa6 48. Nxa6 Rxa6 49. Kc5 Kh6 50. Rh1+ Kg5 51. Rxh7 Kxg4 52. Rxf7 Kxf5 53. Kd4 0-1

[Event "NED U20-ch28"]
[Site "Rotterdam"]
[Date "1978.??.??"]
[Round "8"]
[White "Ter Haar, Otto"]
[Black "Scheeren, Milo"]
[Result "1-0"]
[ECO "B30"]
[PlyCount "53"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. Re1 a6 6. Bxc6 Nxc6 7. d4 cxd4 8. Nxd4 d6 9. Nc3 Be7 10. Nxc6 bxc6 11. Qg4 Bf6 12. e5 dxe5 13. Ne4 h5 14. Qg3 0-0 15. Bd2 h4 16. Qg4 Be7 17. Bh6 g6 18. Rad1 Qe8 19. Nd6 Bxd6 20. Rxd6 Ra7 21. Qxh4 f6 22. Bxf8 Qxf8 23. Red1 g5 24. Qh5 Rh7 25. Qg6+ Rg7 26. Qh6 Re7 27. Rd8 1-0

[Event "NED U20-ch28"]
[Site "Rotterdam"]
[Date "1978.??.??"]
[Round "6"]
[White "Ter Haar, Otto"]
[Black "Stehouwer, Coen"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "79"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 Nc6 5. d4 Qb6 6. a3 c4 7. Nbd2 Na5 8. b4 cxb3 9. Rb1 Bd7 10. c4 dxc4 11. Nxc4 Nxc4 12. Bxc4 Bxa3 13. Bxa3 Qa5+ 14. Qd2 Qxa3 15. 0-0 Qe7 16. d5 exd5 17. Qxd5 Nh6 18. Qxb7 0-0 19. e6 Qc5 20. exf7+ Kh8 21. Qxb3 Rac8 22. Bd5 Bc6 23. Be6 Rcd8 24. Rbc1 Qb5 25. Ng5 Qxg5 26. Rxc6 Qf4 27. g3 Qb8 28. Qc4 Qe5 29. Rc1 g6 30. Rc7 a5 31. Ra7 Qf6 32. Re1 Rd2 33. Qc5 Kg7 34. Bb3 Qd6 35. Qxa5 Qd4 36. Re3 Ng4 37. Qg5 Nxe3 38. fxe3 Qd8 39. Qe5+ Qf6 40. Qe4 0-1

[Event "NED U20-ch28"]
[Site "Rotterdam"]
[Date "1978.??.??"]
[Round "4"]
[White "Ter Haar, Otto"]
[Black "Van Dooren, Fritz"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "74"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. c3 0-0 8. Qb3 Nb6 9. Bf4 Nc6 10. Nbd2 a5 11. a4 Bd6 12. Bg3 Ne7 13. Rad1 Ned5 14. Ne4 Qd7 15. Ne5 Bxe5 16. Nc5 Qc6 17. Bxg4 Bxg3 18. hxg3 Nd7 19. Nd3 Rfb8 20. Bf3 Qd6 21. c4 Ne7 22. Qc3 Nc6 23. d5 exd5 24. Bxd5 Nf6 25. Nf4 Qb4 26. Qxb4 Nxb4 27. Rd2 Na6 28. Rfd1 g6 29. Ne2 Nc5 30. Nc3 Nfd7 31. Ne4 c6 32. Bxf7+ Kxf7 33. Rxd7+ Nxd7 34. Rxd7+ Ke6 35. Nc5+ Kf6 36. Rxh7 Rd8 37. Rxb7 Rd1+ 0-1

[Event "NED U20-ch28"]
[Site "Rotterdam"]
[Date "1978.??.??"]
[Round "5"]
[White "Van Helvoort, Rob AM"]
[Black "Ter Haar, Otto"]
[Result "0-1"]
[ECO "C06"]
[PlyCount "100"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. Nf4 Nxd4 10. Qh5+ Ke7 11. Ng6+ hxg6 12. exf6+ Nxf6 13. Qxh8 Kf7 14. Qh4 e5 15. Nf3 Bb4+ 16. Kf1 Nxf3 17. Qxb4 Nd4 18. Bg5 Qb6 19. Qxb6 axb6 20. Rc1 Bd7 21. Be3 Ne6 22. Bxb6 Rxa2 23. Rb1 e4 24. Bc2 Ra6 25. Be3 d4 26. Bd2 Bb5+ 27. Ke1 Bc4 28. b3 Bd5 29. h4 Ra2 30. Bd1 Nc5 31. Rh2 Nd3+ 32. Ke2 Nxf2 33. Kxf2 Rxd2+ 34. Kg1 e3 35. g3 Rxh2 36. Kxh2 d3 37. Kg1 e2 38. Bxe2 dxe2 39. Kf2 Ne4+ 40. Ke1 Nxg3 41. Rc1 Nf5 42. Kxe2 Nxh4 43. b4 b5 44. Ke3 Nf5+ 45. Kf4 Kf6 46. Rc5 g5+ 47. Kg4 Ne3+ 48. Kg3 Bc4 49. Kf3 Nd5 50. Ke4 g4 0-1

[Event "NED U20-ch28"]
[Site "Rotterdam"]
[Date "1978.??.??"]
[Round "9"]
[White "Van der Wiel, John"]
[Black "Ter Haar, Otto"]
[Result "1-0"]
[ECO "C05"]
[PlyCount "59"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 f5 8. Bd3 Be7 9. h3 0-0 10. g4 c4 11. Bc2 b5 12. Qe2 Nb6 13. Qg2 Bd7 14. Ne2 Kh8 15. h4 b4 16. Bd2 a5 17. gxf5 exf5 18. Kf2 a4 19. Rag1 Rg8 20. Ng3 Qf8 21. Qh3 a3 22. Bxf5 Bxf5 23. Nxf5 axb2 24. h5 Rxa2 25. Rb1 Na4 26. N3h4 Bxh4+ 27. Nxh4 Ne7 28. Ng6+ Nxg6 29. hxg6 h6 30. Qd7 1-0

[Event "NED U20-ch28"]
[Site "Rotterdam"]
[Date "1978.??.??"]
[Round "3"]
[White "Wind, Maurits M"]
[Black "Ter Haar, Otto"]
[Result "0-1"]
[ECO "D01"]
[PlyCount "63"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Bg4 4. f3 Bh5 5. e4 dxe4 6. Bc4 Nbd7 7. Qe2 Nb6 8. Bxf6 exf6 9. Nxe4 Be7 10. 0-0-0 0-0 11. Ng3 Bg6 12. f4 Bd6 13. f5 Bxg3 14. hxg3 Bxf5 15. Bd3 Bg6 16. Qg4 Qd5 17. Qh3 h6 18. Ne2 Qg5+ 19. Kb1 Nd5 20. Bxg6 fxg6 21. Rd3 Rfe8 22. Nc3 Ne3 23. Nd1 f5 24. Re1 Ng4 25. Qh1 Re7 26. Rxe7 Qxe7 27. Qf1 Re8 28. Qf3 c6 29. d5 Ne5 30. d6 Qd7 31. Qe2 Nxd3 32. Qxd3 0-1

[Event "NED Open-ch08 Reinbouw"]
[Site "Velp"]
[Date "1977.07.31"]
[Round "4"]
[White "Ter Haar, Otto"]
[Black "Hofland, Leonhard"]
[Result "1-0"]
[ECO "B03"]
[PlyCount "32"]
[EventDate "1977.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Bf5 7. Nc3 e6 8. Nf3 Bb4 9. Bd3 Bg4 10. 0-0 c5 11. Ne4 0-0 12. a3 Bxf3 13. Qxf3 Qxd4+ 14. Be3 Qxb2 15. Nf6+ gxf6 16. exf6 Kh8 1-0

[Event "NED U20-ch"]
[Site "Rotterdam"]
[Date "1977.??.??"]
[Round "1"]
[White "Boersma, Jan"]
[Black "Ter Haar, Otto"]
[Result "1/2-1/2"]
[ECO "C02"]
[PlyCount "96"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. g3 Na5 8. Nbd2 Bd7 9. Bh3 Ne7 10. 0-0 Ng6 11. Ne1 0-0-0 12. Ng2 f5 13. exf6 gxf6 14. Ne3 Bg7 15. Rb1 Kb8 16. Re1 Ka8 17. b3 cxb3 18. c4 Qxd4 19. Bb2 Qb6 20. cxd5 e5 21. Bxd7 Rxd7 22. Bc3 Rc8 23. Qg4 Rdd8 24. Bb4 Bh6 25. Ndc4 Nxc4 26. Nxc4 Qd4 27. Qxd4 exd4 28. Nd6 Ne5 29. Rxb3 Rc2 30. f4 Ng4 31. Nf7 Rg8 32. d6 Bxf4 33. d7 Be3+ 34. Rbxe3 dxe3 35. d8Q+ Rxd8 36. Nxd8 Rxh2 37. Rc1 a5 38. Bc5 Rd2 39. Ne6 e2 40. Re1 Rd1 41. Bf2 Ne5 42. Kg2 Rd3 43. Bc5 Rd2 44. Nf4 Rc2 45. Bd4 Ra2 46. Bc5 Rc2 47. Bd4 Ra2 48. Bc5 Rc2 1/2-1/2

[Event "NED U20-ch"]
[Site "Rotterdam"]
[Date "1977.??.??"]
[Round "3"]
[White "De Boer, Gert Jan"]
[Black "Ter Haar, Otto"]
[Result "0-1"]
[ECO "C11"]
[PlyCount "52"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Qb6 8. Ne2 f6 9. g3 cxd4 10. cxd4 Bb4+ 11. Nc3 0-0 12. Bh3 fxe5 13. Bxe6+ Kh8 14. 0-0 Nxd4 15. Nxd4 Bxc3 16. bxc3 exd4 17. Bxd5 Nf6 18. Bg2 dxc3+ 19. Kh1 Bf5 20. Qf3 c2 21. Qxb7 Qxb7 22. Bxb7 Rab8 23. Bf3 Rb1 24. Be3 Rfb8 25. Bd4 Rxf1+ 26. Rxf1 Rb1 0-1

[Event "NED U20-ch"]
[Site "Rotterdam"]
[Date "1977.??.??"]
[Round "6"]
[White "Ludden, Gert Jan"]
[Black "Ter Haar, Otto"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "94"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 Be7 7. 0-0 0-0 8. e5 Nd7 9. Re1 b5 10. a4 bxa4 11. Rxa4 Nb6 12. Ra1 a5 13. Nf1 f5 14. h4 c4 15. dxc4 Nxc4 16. Ne3 Nxe3 17. Bxe3 Rb8 18. Nd4 Nxd4 19. Qxd4 Qc7 20. Rec1 Rb4 21. Qa7 Bd8 22. Qxc7 Bxc7 23. Bc5 Rxb2 24. Bxf8 Kxf8 25. c4 d4 26. Rab1 Ra2 27. Rb5 Ke7 28. Rd1 Bd7 29. Rb7 Kd8 30. Rxd4 Kc8 31. c5 Ra1+ 32. Kh2 Rc1 33. Ra7 Bb5 34. Ra8+ Bb8 35. Rxa5 Bxe5 36. Rb4 Bd3 37. Ra8+ Kd7 38. f4 Rc2 39. c6+ Ke7 40. Rb7+ Kf6 41. fxe5+ Kg6 42. Raa7 h6 43. Rxg7+ Kh5 44. Kh3 Be2 45. Rae7 Bg4+ 46. Rxg4 fxg4+ 47. Kh2 Rxc6 1-0

[Event "NED U20-ch"]
[Site "Rotterdam"]
[Date "1977.??.??"]
[Round "8"]
[White "Mulder, Bart Piet"]
[Black "Ter Haar, Otto"]
[Result "1/2-1/2"]
[ECO "A96"]
[PlyCount "101"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 4. 0-0 Be7 5. c4 0-0 6. d4 d6 7. b3 Ne4 8. Bb2 Bf6 9. Nbd2 c5 10. e3 Nc6 11. Qc2 Nb4 12. Qb1 Nxd2 13. Nxd2 e5 14. a3 Nc6 15. dxc5 dxc5 16. Qc2 e4 17. Rad1 Qe8 18. Nb1 Ne5 19. Bxe5 Qxe5 20. Rd5 Qe7 21. Nc3 Be6 22. Rd2 Rad8 23. Rfd1 Rxd2 24. Qxd2 Rd8 25. Qxd8+ Qxd8 26. Rxd8+ Bxd8 27. f3 exf3 28. Bxf3 b6 29. Bd5 Kf7 30. Kf2 Kf6 31. Bxe6 Kxe6 32. e4 Bf6 33. exf5+ Kxf5 34. Nb5 a6 35. Nc7 Ke4 36. Nxa6 Kd3 37. Nb8 Kc3 38. Nd7 Bd8 39. Ke3 Kxb3 40. Kd3 Kxa3 41. Ke4 Kb4 42. Kd5 b5 43. cxb5 c4 44. Ne5 c3 45. Kc6 c2 46. Nd3+ Kc3 47. Nc1 Kd2 48. Nb3+ Kd1 49. b6 Bf6 50. Kd5 Bd8 51. Kc6 1/2-1/2

[Event "NED U20-ch"]
[Site "Rotterdam"]
[Date "1977.??.??"]
[Round "4"]
[White "Ter Haar, Otto"]
[Black "Baart, Joan"]
[Result "1/2-1/2"]
[ECO "B78"]
[PlyCount "119"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Na5 12. Nde2 Nc4 13. Bxc4 Rxc4 14. Bd4 Qa5 15. Kb1 Rfc8 16. Bxf6 Bxf6 17. Nd5 Qxd2 18. Nxf6+ Kg7 19. Nh5+ gxh5 20. Rxd2 Be6 21. Nf4 R4c5 22. Rhd1 Kf6 23. h4 a5 24. c3 Rb5 25. a4 Rbc5 26. Kc2 b6 27. Nd5+ Bxd5 28. Rxd5 Rg8 29. R1d2 Rxd5 30. exd5 Kf5 31. Kd3 Kf4 32. Kc4 Ke3 33. Rc2 Rc8+ 34. Kb5 Kd3 35. Rf2 Rc5+ 36. Kxb6 Rxd5 37. b4 Kxc3 38. bxa5 Rd4 39. Re2 Rb4+ 40. Ka7 Rxa4 41. a6 e6 42. Re4 Ra2 43. Re3+ Kd2 44. Rb3 d5 45. Kb7 d4 46. a7 d3 47. a8Q Rxa8 48. Kxa8 Ke2 49. Kb7 d2 50. Rb2 Ke1 51. Rb1+ d1Q 52. Rxd1+ Kxd1 53. Kc6 Ke2 54. Kd6 Kf2 55. Ke7 Kg3 56. Kxf7 Kxh4 57. Kxe6 Kg3 58. Kf5 h4 59. Kg5 h6+ 60. Kh5 1/2-1/2

[Event "NED U20-ch"]
[Site "Rotterdam"]
[Date "1977.??.??"]
[Round "7"]
[White "Ter Haar, Otto"]
[Black "Bosch, Peter M"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "102"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e5 4. 0-0 Nge7 5. Re1 g6 6. b4 cxb4 7. a3 bxa3 8. d4 exd4 9. Nxa3 Bg7 10. Nc4 0-0 11. e5 d5 12. exd6 Nd5 13. Bxc6 bxc6 14. Nxd4 Bb7 15. Na5 Qd7 16. Ba3 Rfe8 17. Qd2 Qg4 18. Bc5 Nf4 19. f3 Qg5 20. Nab3 Bh6 21. Kh1 Qh5 22. Qf2 Nd5 23. Ne2 Qf5 24. Ng3 Rxe1+ 25. Rxe1 Qd7 26. c4 Nf6 27. Re7 Qc8 28. Bd4 Nd7 29. Ne4 c5 30. Nexc5 Bc6 31. Na5 Rb8 32. h3 Bf4 33. g3 Nxc5 34. Nxc6 Qxh3+ 35. Qh2 Qf1+ 36. Bg1 Qxf3+ 37. Qg2 Qh5+ 38. Qh2 Qxh2+ 39. Kxh2 Bxd6 40. Rxa7 Rb2+ 41. Kh3 Ne6 42. Ra8+ Kg7 43. Nd4 Ng5+ 44. Kg4 Be7 45. Nc6 h5+ 46. Kf4 Nh3+ 47. Ke4 Re2+ 48. Kd3 Nxg1 49. Ra7 Bf6 50. Rb7 Re1 51. Kd2 Re6 0-1

[Event "NED U20-ch"]
[Site "Rotterdam"]
[Date "1977.??.??"]
[Round "9"]
[White "Ter Haar, Otto"]
[Black "Licher, Ferdy"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "62"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. dxe5 dxe5 7. Bxf7+ Kxf7 8. Ng5+ Kg6 9. h4 h5 10. f4 exf4 11. Nd5 Bd6 12. e5 Nxe5 13. Nxf4+ Kh6 14. Nf7+ Nxf7 15. Ne6+ Kh7 16. Qd3+ g6 17. Nxd8 Rxd8 18. Qb3 Re8+ 19. Be3 Be6 20. c4 Bg3+ 21. Kf1 Nd6 22. Kg1 Bxc4 23. Qc3 Nd5 24. Qd4 Rxe3 25. Rh3 Rd3 26. Qc5 Rf8 27. Kh1 b6 28. Qc6 Bb5 29. Qc1 Ne4 30. Kg1 Rf2 31. a4 Rdd2 0-1

[Event "NED U20-ch"]
[Site "Rotterdam"]
[Date "1977.??.??"]
[Round "2"]
[White "Ter Haar, Otto"]
[Black "Van de Scheer, Henk"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "53"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e6 5. Nf3 Nf6 6. Bc4 Be7 7. 0-0 0-0 8. Qe2 c6 9. Bf4 Nbd7 10. Bxe6 Bb4 11. Bb3 Bxc3 12. bxc3 Nb6 13. Bd6 Re8 14. Ne5 Nbd5 15. c4 Nf4 16. Qf3 Ne6 17. Rad1 c5 18. dxc5 Nxc5 19. Rd5 Qd8 20. Nxf7 Kxf7 21. Rxc5 Qxd6 22. Rxc8 Qd7 23. Rxa8 Rxa8 24. Rd1 Qc7 25. c5+ Kf8 26. g4 Qxc5 27. Qxb7 1-0

[Event "NED U20-ch"]
[Site "Rotterdam"]
[Date "1977.??.??"]
[Round "5"]
[White "Van der Wiel, John"]
[Black "Ter Haar, Otto"]
[Result "1-0"]
[ECO "C06"]
[PlyCount "58"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 f6 10. exf6 Nxf6 11. 0-0 Bd6 12. Nc3 0-0 13. Re1 Bd7 14. Bg5 Kh8 15. Bc2 Rae8 16. a3 Na5 17. Qd3 e5 18. Nxd5 e4 19. Nxb6 exd3 20. Nxd7 Nxd7 21. Bxd3 Nb3 22. Rad1 h6 23. Rxe8 Rxe8 24. Bb5 hxg5 25. Bxd7 Re2 26. Nxg5 Be7 27. h4 Bf6 28. d5 Bxb2 29. Bb5 Re5 1-0

[Event "NED Open-ch07 Reinbouw"]
[Site "Velp"]
[Date "1976.08.??"]
[Round "6"]
[White "Van der Sterren, Paul"]
[Black "Ter Haar, Otto"]
[Result "1-0"]
[ECO "C19"]
[WhiteElo "2370"]
[PlyCount "57"]
[EventDate "1976.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. a4 Nbc6 8. Nf3 Qa5 9. Bd2 Bd7 10. Be2 c4 11. Ng5 h6 12. Nh3 0-0-0 13. Nf4 f5 14. exf6 gxf6 15. Bg4 e5 16. Bxd7+ Kxd7 17. Nh5 Rdf8 18. 0-0 Qc7 19. f4 exd4 20. f5 Qe5 21. Bf4 Qxf5 22. Bxh6 Qg6 23. Bxf8 Rxf8 24. cxd4 Nf5 25. Qf3 Nce7 26. Nf4 Nxd4 27. Qe3 Qe4 28. Qxe4 dxe4 29. Rfd1 1-0

