[Event "Birkerod Club"]
[Site "Birkerod"]
[Date "2001.04.25"]
[Round "5"]
[White "Laustsen, Lars"]
[Black "Mathiesen, Klaus"]
[Result "1-0"]
[ECO "D11"]
[PlyCount "75"]
[EventDate "2001.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Bf5 5. 0-0 e6 6. c4 Bd6 7. Nc3 0-0 8. Nd2 h6 9. e4 dxe4 10. Ndxe4 Nxe4 11. Nxe4 Bc7 12. Be3 Nd7 13. b4 a6 14. Qb3 Qe7 15. Rac1 Rfc8 16. Rfe1 a5 17. a3 axb4 18. axb4 Ra6 19. Ra1 Rca8 20. Rxa6 Rxa6 21. Nc3 Qf8 22. Bc1 Ra1 23. c5 Qa8 24. Qb2 Nf6 25. b5 Nd5 26. Nxd5 exd5 27. b6 Bd8 28. Re8+ Kh7 29. Rxd8 Rxc1+ 30. Qxc1 Qxd8 31. Qf4 Qd7 32. Qe3 Qe6 33. Bf1 Qxe3 34. fxe3 g5 35. Bg2 Kg6 36. Kf2 Bd3 37. Bxd5 cxd5 38. c6 1-0

[Event "Birkerod Club"]
[Site "Birkerod"]
[Date "2001.02.12"]
[Round "2"]
[White "Malchau, Helge"]
[Black "Mathiesen, Klaus"]
[Result "0-1"]
[ECO "D16"]
[PlyCount "66"]
[EventDate "2001.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 c5 6. d5 Bf5 7. e3 e6 8. Bxc4 exd5 9. Nxd5 Nc6 10. Nxf6+ gxf6 11. Qxd8+ Rxd8 12. Bd2 Rg8 13. Bc3 Be7 14. Nh4 Be6 15. Bb5 Bd7 16. Bd3 Ne5 17. Be4 Rg4 18. f4 Rxh4 19. g3 Rg4 20. h3 Rxg3 21. Kf2 Rxh3 22. Rxh3 Bxh3 23. fxe5 f5 24. Bxb7 Bg4 25. Rh1 h5 26. Bf3 h4 27. Rg1 Bxf3 28. Kxf3 Kd7 29. Rd1+ Ke6 30. Rxd8 Bxd8 31. e4 fxe4+ 32. Kxe4 h3 33. Kf3 Bc7 0-1

[Event "Birkerod hold1"]
[Site "Birkerod"]
[Date "2001.02.05"]
[Round "5"]
[White "Hojtved, Niels"]
[Black "Mathiesen, Klaus"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "100"]
[EventDate "2001.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "DEN"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. h3 Bf5 7. Ne5 c6 8. g4 Be4 9. f3 Bd5 10. Bd2 Qb6 11. Nxd5 Nxd5 12. c3 g6 13. Qc2 Bg7 14. Bg2 Bxe5 15. dxe5 Ne3 16. Bxe3 Qxe3+ 17. Qe2 Qxe2+ 18. Kxe2 Nd7 19. f4 0-0-0 20. Rad1 Nc5 21. b3 Kc7 22. h4 Rxd1 23. Rxd1 h5 24. g5 e6 25. Ke3 Nd7 26. Rd6 Nb6 27. c4 Nc8 28. Rd3 Ne7 29. Be4 Rd8 30. Rxd8 Kxd8 31. Kd4 Kc7 32. a4 a5 33. Kc5 Nc8 34. Bf3 Nb6 35. Be4 Nd7+ 36. Kd4 Kb6 37. Bc2 Nc5 38. Kc3 Na6 39. Kd4 Nb4 40. Be4 Na2 41. Bf3 Nc1 42. c5+ Kc7 43. Kc4 Na2 44. Bxh5 gxh5 45. f5 Kd7 46. f6 Ke8 47. Kd4 Kf8 48. Ke3 Nc1 49. Kf4 Nxb3 50. g6 fxg6 0-1

[Event "Birkerod hold1"]
[Site "Birkerod"]
[Date "2001.01.16"]
[Round "4"]
[White "Mathiesen, Klaus"]
[Black "Rasmussen, Ole H"]
[Result "1/2-1/2"]
[ECO "A59"]
[PlyCount "89"]
[EventDate "2001.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "DEN"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. Nxb5 Ba6 7. Nc3 g6 8. e4 Bxf1 9. Kxf1 d6 10. g3 Bg7 11. Nf3 Nbd7 12. Be3 0-0 13. Qd2 Ng4 14. Bf4 Nge5 15. Nxe5 Nxe5 16. Qe2 Qb6 17. Kg2 Rfb8 18. Rab1 Qb4 19. Rhc1 Qc4 20. Qxc4 Nxc4 21. b3 Na3 22. Rb2 Nb5 23. Bd2 Ra3 24. Nxb5 Rxb5 25. Bc3 Rb7 26. Bxg7 Kxg7 27. Rcc2 Kf6 28. Kf3 Ke5 29. Ke3 f5 30. f4+ Kf6 31. Rc4 fxe4 32. Kxe4 Rb6 33. Kf3 Rb5 34. Kg2 Rb7 35. Re2 Rba7 36. Rcc2 Kf7 37. g4 Ra8 38. g5 Re8 39. Kf3 Rb8 40. Kf2 Rb4 41. Rc4 Rb7 42. Kf3 Rba7 43. Rcc2 c4 44. Rxc4 Rxa2 45. Rce4 1/2-1/2

[Event "Birkerod hold1"]
[Site "Alsgarde"]
[Date "2000.12.11"]
[Round "3"]
[White "Armfeldt, Jonas"]
[Black "Mathiesen, Klaus"]
[Result "1/2-1/2"]
[ECO "C43"]
[PlyCount "37"]
[EventDate "2000.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "DEN"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Be6 6. 0-0 Be7 7. c3 0-0 8. Qc2 Nf6 9. Nd2 Nbd7 10. Ndf3 h6 11. Re1 c5 12. Be3 Ng4 13. Nxg4 Bxg4 14. Be2 c4 15. Ne5 Bxe2 16. Qxe2 Bf6 17. Ng4 Re8 18. Qf3 Re4 19. Qg3 1/2-1/2

[Event "Birkerod hold1"]
[Site "Alsgarde"]
[Date "2000.11.23"]
[Round "2"]
[White "Mathiesen, Klaus"]
[Black "Ohlsen, Leif"]
[Result "1-0"]
[ECO "A81"]
[PlyCount "61"]
[EventDate "2000.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "DEN"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nd2 Be7 5. e4 fxe4 6. Nxe4 Nc6 7. c3 0-0 8. Be3 Na5 9. b3 d5 10. Nxf6+ Bxf6 11. f4 Qd6 12. Nf3 Qa6 13. Bf1 Qc6 14. Qc2 b6 15. Bd3 h6 16. 0-0 Qd6 17. Ne5 c5 18. Bh7+ Kh8 19. Ng6+ Kxh7 20. Nxf8+ Kg8 21. Ng6 cxd4 22. Bxd4 Bxd4+ 23. cxd4 Ba6 24. Rfc1 Rc8 25. Qd2 Rd8 26. Ne5 Bb7 27. Rc2 Nc6 28. Nxc6 Bxc6 29. Rac1 Be8 30. Rc7 Bg6 31. R1c6 1-0

[Event "Birkerod Club Group1"]
[Site "Birkerod"]
[Date "2000.03.13"]
[Round "5"]
[White "Jorgensen, Arne Bjorn"]
[Black "Mathiesen, Klaus"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "1997"]
[BlackElo "1900"]
[PlyCount "67"]
[EventDate "2000.??.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "DEN"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 c6 2. d4 d5 3. Nf3 Nf6 4. Nc3 dxc4 5. e3 Bf5 6. Bxc4 e6 7. 0-0 Be7 8. a3 0-0 9. b4 a5 10. b5 c5 11. Bb2 Nbd7 12. Qe2 Nb6 13. Ba2 Qc7 14. Rac1 Rac8 15. Rfd1 Rfd8 16. h3 Bg6 17. Ne5 Bh5 18. g4 Bg6 19. Nxg6 hxg6 20. Qf3 Rd7 21. dxc5 Rxd1+ 22. Nxd1 Na4 23. Bxf6 gxf6 24. c6 Bxa3 25. Rc2 Be7 26. Bb3 Nc5 27. cxb7 Rb8 28. Qc6 Qxb7 29. Bc4 Qxc6 30. bxc6 Rb6 31. Bb5 Rb8 32. Nc3 Bd6 33. Na4 Nxa4 34. Bxa4 1/2-1/2

[Event "Birkerod Club Group1"]
[Site "Birkerod"]
[Date "2000.02.28"]
[Round "4"]
[White "Mathiesen, Klaus"]
[Black "Michelsen, Emil"]
[Result "1-0"]
[ECO "D80"]
[PlyCount "81"]
[EventDate "2000.??.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "DEN"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Nxe4 dxe4 6. e3 Bg7 7. Qc2 c5 8. 0-0-0 f5 9. d5 Qb6 10. Ne2 Nd7 11. Nc3 a6 12. Be2 Ne5 13. h3 h6 14. Bf4 Bd7 15. Qb3 Qxb3 16. axb3 0-0 17. Kc2 b5 18. cxb5 axb5 19. Nxb5 Rab8 20. Nc3 Rb7 21. Bxe5 Bxe5 22. Ra1 Rfb8 23. Bc4 Kf7 24. Ra6 Bd6 25. Rha1 Ke8 26. Ra7 Kd8 27. Rxb7 Rxb7 28. Ra8+ Rb8 29. Ra5 Ke8 30. Bb5 Kd8 31. Bxd7 Kxd7 32. Na4 Kc7 33. Nxc5 Kb6 34. b4 Rc8 35. Kb3 Bxc5 36. Rxc5 Rxc5 37. bxc5+ Kxc5 38. Ka4 Kxd5 39. Kb5 e5 40. b4 f4 41. Ka6 1-0

[Event "Birkerod hold2"]
[Site "Birkerod"]
[Date "1999.11.08"]
[Round "1"]
[White "Teimer, Torben"]
[Black "Mathiesen, Klaus"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2035"]
[PlyCount "65"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "DEN"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. d4 Nf6 5. g3 Nc6 6. Bg2 e6 7. a3 Bd6 8. Nf3 0-0 9. 0-0 a6 10. Re1 b5 11. Bg5 Be7 12. e3 Na5 13. Ne5 Bb7 14. Nd3 Rc8 15. Bxf6 Bxf6 16. Nc5 Qc7 17. b4 Nc4 18. e4 dxe4 19. N3xe4 Bxe4 20. Rxe4 Qa7 21. Rf4 e5 22. Rxf6 gxf6 23. Qg4+ Kh8 24. Qf5 Rg8 25. Be4 Kg7 26. Nd7 Qxd7 27. Qxd7 Rcd8 28. Qf5 Rxd4 29. Qxh7+ Kf8 30. Bb7 Rd6 31. a4 Rg6 32. axb5 axb5 33. Be4 1-0

[Event "Birkerod Cup"]
[Site "Birkerod"]
[Date "1999.02.01"]
[Round "2"]
[White "Madsen, Morten L"]
[Black "Mathiesen, Klaus"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "67"]
[EventDate "1999.??.??"]
[EventType "k.o."]
[EventRounds "4"]
[EventCountry "DEN"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c6 5. e3 Nbd7 6. Nf3 Qa5 7. a3 Ne4 8. Qc2 Bb4 9. Rc1 Bxc3+ 10. bxc3 Qxa3 11. c5 b6 12. cxb6 axb6 13. Bd3 Qxc3+ 14. Qxc3 Nxc3 15. 0-0 Ra3 16. Rc2 Bb7 17. Rfc1 Na4 18. Bb5 f6 19. Bxc6 Bxc6 20. Rxc6 0-0 21. Bh4 Re8 22. h3 Nb2 23. Rc7 Nf8 24. g4 h6 25. Bg3 Nc4 26. h4 Rea8 27. g5 hxg5 28. hxg5 R8a7 29. Rc2 Rxc7 30. Bxc7 Nd7 31. Kg2 Ra7 32. Bh2 Kf7 33. gxf6 gxf6 34. Ne1 0-1

[Event "Birkerod hold1"]
[Site "Manziusgarden"]
[Date "1998.11.16"]
[Round "2"]
[White "Mathiesen, Klaus"]
[Black "Skjoldager, Flemming"]
[Result "0-1"]
[ECO "D94"]
[PlyCount "114"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "DEN"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Nf3 0-0 6. Bd3 c5 7. dxc5 Qa5 8. 0-0 Qxc5 9. Na4 Qd6 10. c5 Qc7 11. b4 Bg4 12. h3 Bxf3 13. Qxf3 Ng4 14. hxg4 Bxa1 15. Qxd5 Rd8 16. Qb3 Nc6 17. Bc4 Ne5 18. Be2 Nd7 19. Nc3 Qe5 20. Nb5 e6 21. Ba3 a6 22. Nd6 Rab8 23. f4 Qc3 24. Qxc3 Bxc3 25. Bf3 Nf6 26. Bxb7 Rxd6 27. c6 Rxc6 28. Bxc6 Nxg4 29. Rd1 Bxb4 30. Bc1 Bc5 31. Re1 Rb1 32. Kf1 Bxe3 33. Ba3 Rxe1+ 34. Kxe1 Bxf4 35. Bb4 Bc7 36. a4 Ne3 37. Kf2 Nc2 38. Bc3 Bb6+ 39. Kg3 Nd4 40. Bxd4 Bxd4 41. Bb7 a5 42. Kf4 f5 43. Kg5 Kg7 44. Kf4 e5+ 45. Kf3 h5 46. Bd5 Kf6 47. Bc6 e4+ 48. Ke2 h4 49. Bb5 g5 50. Ke1 Ke5 51. Bf1 Kf4 52. Bb5 Kg3 53. Kf1 f4 54. Bc6 e3 55. Bd5 g4 56. Ke2 h3 57. gxh3 Kxh3 0-1

[Event "Birkerod hold1"]
[Site "Manziusgarden"]
[Date "1998.??.??"]
[Round "4"]
[White "Gasbjerg, Aksel"]
[Black "Mathiesen, Klaus"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "101"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "DEN"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Bc5 5. 0-0 0-0 6. d3 d6 7. Bg5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Be6 11. Qf3 Kg7 12. Ne2 Kg6 13. Bh4 Rh8 14. Qg3+ Kh7 15. Bxe6 fxe6 16. Qh3 Kg7 17. Qg3+ Kf7 18. Qg5 Nd7 19. Qxd8 Nxd8 20. Bg3 Nc6 21. c3 Nf6 22. h3 Raf8 23. a4 a6 24. b4 Bb6 25. b5 Na5 26. Rab1 Nh5 27. Bh2 Ke7 28. d4 exd4 29. cxd4 Nc4 30. Rfd1 axb5 31. Rxb5 Nf6 32. Nf4 Rhg8 33. Rc1 Nd2 34. a5 Bxd4 35. Rxc7+ Nd7 36. Rbxb7 Rd8 37. Ne2 Be5 38. f4 Ba1 39. a6 Nxe4 40. a7 Nec5 41. Rb1 Bf6 42. Kf1 Rc8 43. Rxc8 Rxc8 44. Bg1 Ra8 45. Bxc5 Nxc5 46. g4 Rxa7 47. g5 Bg7 48. h4 Rb7 49. Rd1 Kf7 50. Rd2 d5 51. Ng3 1/2-1/2

[Event "Birkerod hold2"]
[Site "Manziusgarden"]
[Date "1998.??.??"]
[Round "?"]
[White "Jensen, Svenn"]
[Black "Mathiesen, Klaus"]
[Result "0-1"]
[ECO "C24"]
[PlyCount "46"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "DEN"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. a3 d5 5. exd5 cxd5 6. Bb3 Bd6 7. h3 h6 8. Nc3 Be6 9. Bd2 a6 10. Nce2 Nc6 11. Nf3 0-0 12. 0-0 Bc7 13. Qc1 e4 14. dxe4 dxe4 15. Bxe6 exf3 16. gxf3 fxe6 17. Kg2 Nh5 18. Rg1 Qf6 19. Kf1 Qxf3 20. Be3 Nf4 21. Rg3 Qxe2+ 22. Kg1 Nxh3+ 23. Rxh3 Qg4+ 0-1

