[Event "Leeuwarden op"]
[Site "Leeuwarden"]
[Date "2004.??.??"]
[Round "2"]
[White "Wiersma, Jordi"]
[Black "Dijkstra, Arjan"]
[Result "0-1"]
[ECO "B51"]
[PlyCount "54"]
[EventDate "2004.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 a6 5. Bxc6+ bxc6 6. b3 Bg4 7. Bb2 d5 8. e5 Rb8 9. Re1 e6 10. d3 Be7 11. Nbd2 Bg5 12. Nf1 Rb4 13. Ba3 Rf4 14. Bxc5 Bxf3 15. gxf3 h5 16. Be3 Rh4 17. Qd2 Be7 18. d4 g5 19. Qe2 Nh6 20. Qxa6 Nf5 21. Qxc6+ Kf8 22. Qc3 g4 23. f4 Rh3 24. a4 Nh4 25. Re2 Nf3+ 26. Kh1 Kg8 27. a5 Bb4 0-1

[Event "NED-ch44 sf-A"]
[Site "Eindhoven"]
[Date "1988.11.27"]
[Round "7"]
[White "Wiersma, Jordi"]
[Black "Bertholee, Rob"]
[Result "1-0"]
[ECO "E21"]
[PlyCount "65"]
[EventDate "1988.11.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. c4 Bb4+ 4. Nc3 c5 5. g3 b6 6. Bg2 Bb7 7. 0-0 0-0 8. Qa4 Qe7 9. Rd1 cxd4 10. Nxd4 Bxg2 11. Kxg2 Bxc3 12. bxc3 Ne4 13. Qc2 Nc5 14. Ba3 Rc8 15. Nb5 Rc6 16. Rd2 a6 17. Nd4 Rc7 18. Rb1 Rb7 19. Nb3 d6 20. Bxc5 dxc5 21. Qe4 Raa7 22. Nc1 g6 23. Nd3 Nd7 24. Qf4 Kg7 25. Ne5 Nb8 26. h4 h5 27. Rbd1 f6 28. Rd8 Qc7 29. R1d6 b5 30. Qe4 f5 31. Qf4 Qe7 32. Nxg6 Kxg6 33. Qe5 1-0

[Event "NED-ch44 sf-A"]
[Site "Eindhoven"]
[Date "1988.11.26"]
[Round "6"]
[White "Tolk, Pieter"]
[Black "Wiersma, Jordi"]
[Result "1/2-1/2"]
[ECO "E30"]
[WhiteElo "2295"]
[PlyCount "127"]
[EventDate "1988.11.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 b5 7. dxe6 fxe6 8. cxb5 d5 9. e3 0-0 10. Nf3 Qa5 11. Bxf6 Rxf6 12. Qd2 a6 13. bxa6 Nc6 14. Be2 d4 15. exd4 cxd4 16. Nxd4 Nxd4 17. Qxd4 Bc5 18. Qa4 Bxf2+ 19. Kd1 Qb6 20. Kc2 Bxa6 21. Bxa6 Rxa6 22. Qb5 Qa7 23. Rad1 Qa8 24. Rhf1 Rb6 25. Qe2 Qxg2 26. Rd8+ Kh7 27. Rd2 Qg6+ 28. Qe4 Bh4 29. Rg1 Qxe4+ 30. Nxe4 Rf4 31. Rd7 Kh8 32. Rdxg7 Bg5 33. Nxg5 Rf2+ 34. Kd3 hxg5 35. R7xg5 Rxh2 36. Rg8+ Kh7 37. R1g7+ Kh6 38. Rg6+ Kh7 39. R8g7+ Kh8 40. Rg2 Rxb2 41. Rxb2 Rxb2 42. Ra7 Kg8 43. a4 Kf8 44. Kc3 Rb1 45. Kc2 Rb4 46. Kc3 Rb1 47. Kc4 e5 48. a5 Ke8 49. Rh7 Ra1 50. Kb5 Rb1+ 51. Kc6 Rc1+ 52. Kd6 Ra1 53. Re7+ Kd8 54. Rxe5 Rc1 55. Rh5 Kc8 56. Rb5 Rc2 57. Rb6 Ra2 58. Rb5 Rc2 59. Rc5+ Rxc5 60. Kxc5 Kb7 61. Kb5 Ka7 62. a6 Kb8 63. Kb6 Ka8 64. a7 1/2-1/2

[Event "NED-ch44 sf-A"]
[Site "Eindhoven"]
[Date "1988.11.20"]
[Round "5"]
[White "Bosboom, Manuel"]
[Black "Wiersma, Jordi"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2385"]
[PlyCount "67"]
[EventDate "1988.11.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 b6 3. g3 c5 4. Bg2 Bb7 5. 0-0 g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 0-0 9. Qh4 d6 10. Bg5 Nbd7 11. Rfd1 Rc8 12. Nd5 Re8 13. Nd4 Ba8 14. Rac1 a6 15. e4 e6 16. Nb4 b5 17. cxb5 Rxc1 18. Bxc1 Qb6 19. Be3 Qb7 20. Ndc6 Qxb5 21. Bf1 Qb7 22. Bxa6 Qc7 23. Bb5 Nc5 24. e5 Nd5 25. exd6 Qxd6 26. Bf4 Qf8 27. Bg5 f6 28. Bd2 Qf7 29. Qc4 Nd7 30. Nxd5 exd5 31. Qf4 Re4 32. Qc7 Ne5 33. Qd8+ Qf8 34. Qxd5+ 1-0

[Event "NED-ch44 sf-A"]
[Site "Eindhoven"]
[Date "1988.11.19"]
[Round "4"]
[White "Wiersma, Jordi"]
[Black "Krudde, Fitzgerald"]
[Result "0-1"]
[ECO "A52"]
[BlackElo "2255"]
[PlyCount "34"]
[EventDate "1988.11.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nbd2 d6 7. exd6 Bxd6 8. Bxd6 Qxd6 9. e3 Bf5 10. Be2 h5 11. Qb3 0-0-0 12. Qc3 Rhe8 13. a3 Qh6 14. Nh4 Bd3 15. Nf1 Bxe2 16. Kxe2 Nd4+ 17. Ke1 Qf6 0-1

[Event "NED-ch44 sf-A"]
[Site "Eindhoven"]
[Date "1988.11.18"]
[Round "3"]
[White "Welling, Gerard J"]
[Black "Wiersma, Jordi"]
[Result "1/2-1/2"]
[ECO "C26"]
[WhiteElo "2355"]
[PlyCount "138"]
[EventDate "1988.11.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. a3 Bc5 4. Nf3 Qe7 5. Be2 d6 6. 0-0 0-0 7. d3 a6 8. h3 c6 9. Nh2 h6 10. Ng4 Nxg4 11. Bxg4 Be6 12. Qf3 Nd7 13. Qg3 Kh7 14. Be3 Bxe3 15. Qxe3 Bxg4 16. hxg4 Qg5 17. Qxg5 hxg5 18. Rfd1 Nf6 19. f3 d5 20. a4 Rfd8 21. Re1 dxe4 22. Nxe4 Nxe4 23. Rxe4 f6 24. Kf2 Rd7 25. a5 Kg6 26. Ra3 Re8 27. Rb3 Ree7 28. Ke2 Kf7 29. Kd2 Ke6 30. Kc3 Rd5 31. Reb4 Rb5 32. Rxb5 axb5 33. Kb4 Kd6 34. c4 bxc4 35. dxc4 Kc7 36. Rd3 Re8 37. Rd1 Re7 38. Rh1 Kd6 39. Rh7 Rd7 40. Rh8 Re7 41. Rg8 Rd7 42. Re8 Rf7 43. Rd8+ Kc7 44. Ra8 Rd7 45. Kc5 e4 46. fxe4 Re7 47. Rg8 Re5+ 48. Kd4 c5+ 49. Kd3 Re7 50. e5 Rxe5 51. Rxg7+ Kc8 52. Rf7 Re6 53. Kc3 Re3+ 54. Kc2 Re6 55. Kb3 Kb8 56. Ka4 Ka7 57. b3 Ka6 58. Rf8 b6 59. Rb8 bxa5 60. Rb5 Re2 61. Rxa5+ Kb6 62. Rb5+ Kc6 63. b4 cxb4 64. Kxb4 Rxg2 65. Rf5 Rxg4 66. Rxf6+ Kd7 67. Kb5 Rg1 68. Rg6 g4 69. Rg7+ Kd8 1/2-1/2

[Event "NED-ch44 sf-A"]
[Site "Eindhoven"]
[Date "1988.11.06"]
[Round "2"]
[White "Veerman, Johan"]
[Black "Wiersma, Jordi"]
[Result "1-0"]
[ECO "E16"]
[PlyCount "81"]
[EventDate "1988.11.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb4+ 5. Nbd2 Bb7 6. Bg2 0-0 7. 0-0 d5 8. Ne5 Nbd7 9. cxd5 exd5 10. Ndf3 Ne4 11. Bf4 Bd6 12. Nd3 Qe7 13. Rc1 Rfd8 14. Bxd6 Qxd6 15. b4 c6 16. Qb3 Ba6 17. Qb2 Bb5 18. Nfe5 f6 19. Nxd7 Qxd7 20. Qc2 Nd6 21. a4 Bc4 22. Nb2 a5 23. bxa5 Rxa5 24. Rfe1 b5 25. e4 dxe4 26. Bxe4 f5 27. Bg2 Re8 28. Re5 Rxe5 29. dxe5 Ne4 30. Nxc4 bxc4 31. Qxc4+ Qd5 32. Bxe4 fxe4 33. Qxc6 Qxc6 34. Rxc6 Rxa4 35. Rc5 h5 36. e6 g6 37. Re5 Kf8 38. h4 Ke7 39. Kf1 Rb4 40. Ke2 Rb6 41. Rxe4 1-0

[Event "NED-ch44 sf-A"]
[Site "Eindhoven"]
[Date "1988.11.05"]
[Round "1"]
[White "Wiersma, Jordi"]
[Black "Van den Berg, Ad"]
[Result "1/2-1/2"]
[ECO "A54"]
[BlackElo "2230"]
[PlyCount "85"]
[EventDate "1988.11.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. Nc3 e5 4. Nf3 Nc6 5. d5 Ne7 6. Bg5 Ng6 7. e3 Be7 8. Bd3 h6 9. Bxf6 Bxf6 10. Qc2 Nh4 11. Nxh4 Bxh4 12. 0-0 0-0 13. f4 exf4 14. exf4 Bd7 15. Kh1 a6 16. a3 Qe7 17. g3 Bf6 18. Rfe1 Qd8 19. Ne4 Bd4 20. Rad1 f5 21. Nc3 Qf6 22. Be2 Rae8 23. Bf3 b6 24. Qd2 Bxc3 25. bxc3 g6 26. Rxe8 Rxe8 27. Re1 Rxe1+ 28. Qxe1 Kf8 29. Bd1 Be8 30. Kg1 Bf7 31. Bb3 g5 32. Qe3 Qe7 33. Kf2 Qxe3+ 34. Kxe3 Ke7 35. Ba4 g4 36. Bc2 Bg6 37. Kd4 Kd8 38. Ba4 Be8 39. Bc2 Bd7 40. Bb3 Kc8 41. Bc2 Kb7 42. Bb3 Kc8 43. Ke3 1/2-1/2

