[Event "Deizisau Autumn op 16th"]
[Site "Deizisau"]
[Date "2022.11.01"]
[Round "7"]
[White "Mazur, Stefan"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2414"]
[BlackElo "2117"]
[PlyCount "77"]
[EventDate "2022.10.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 0-0 7. Bf4 Nbd7 8. Qd2 Nc5 9. f3 c6 10. 0-0-0 d5 11. e5 Nh5 12. Be3 f6 13. exf6 Nxf6 14. Kb1 Bd7 15. Rhe1 Re8 16. g4 g6 17. h4 Bxg4 18. fxg4 Nfe4 19. Nxe4 Nxe4 20. Qc1 Bxh4 21. Rh1 Bf6 22. Nf3 Ng3 23. Rhe1 Bxb2 24. Kxb2 Nxe2 25. Rxe2 Qf6+ 26. Nd4 c5 27. Qd2 cxd4 28. Bxd4 Rxe2 29. Qxe2 Qd6 30. Qe5 Qxe5 31. Bxe5 Kf7 32. Rh1 Kg8 33. Bd4 a6 34. Re1 Kf7 35. Re5 Rd8 36. g5 Rd7 37. Kb3 Rd6 38. c3 Rd7 39. Kb4 1-0

[Event "Deizisau Autumn op 14th"]
[Site "Deizisau"]
[Date "2019.10.28"]
[Round "6"]
[White "Fruechel, Marcel"]
[Black "Marquardt, Alexander"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1895"]
[BlackElo "2125"]
[PlyCount "118"]
[EventDate "2019.10.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. d4 d6 2. Bf4 c5 3. c3 b6 4. e4 a6 5. Be2 Bb7 6. f3 cxd4 7. cxd4 Nf6 8. Nc3 e6 9. Nh3 Be7 10. Nf2 0-0 11. 0-0 Nbd7 12. Be3 Rc8 13. Rc1 Rc7 14. Qb3 Qa8 15. Rfd1 Rfc8 16. Nd3 Bf8 17. Nb4 b5 18. a4 a5 19. Nd3 bxa4 20. Nxa4 Ba6 21. Nf4 Rb8 22. Qa2 Rcb7 23. Rc3 Bxe2 24. Nxe2 d5 25. e5 Ne8 26. Rdc1 Qa6 27. Nf4 Rb4 28. Nd3 R4b5 29. Rc6 Qb7 30. f4 g6 31. R6c3 Be7 32. Nac5 Nxc5 33. Nxc5 Bxc5 34. Rxc5 Rxb2 35. Qa4 Re2 36. Bf2 Qb2 37. Rf1 Ng7 38. Rxa5 Nf5 39. Ra8 h5 40. Rxb8+ Qxb8 41. Qd7 Kg7 42. h3 h4 43. Re1 Rxe1+ 44. Bxe1 Qb1 45. Kf2 Qb2+ 46. Kf3 Nxd4+ 47. Ke3 Nf5+ 48. Kf3 Qb3+ 49. Ke2 Qe3+ 50. Kd1 Qxf4 51. Qc7 Ne3+ 52. Ke2 Nc4 53. Qd8 Qxe5+ 54. Kd1 Qa1+ 55. Ke2 Qe5+ 56. Kd1 Qd4+ 57. Kc2 Qe4+ 58. Kd1 Qd3+ 59. Kc1 Qe3+ 0-1

[Event "Deizisau Autumn op 14th"]
[Site "Deizisau"]
[Date "2019.10.28"]
[Round "7"]
[White "Marquardt, Alexander"]
[Black "Sommer, Konstantin"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2125"]
[BlackElo "1821"]
[PlyCount "125"]
[EventDate "2019.10.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e3 d5 4. Nf3 b6 5. d4 Bb4 6. Qa4+ Nc6 7. Ne5 Bxc3+ 8. bxc3 Bd7 9. Nxc6 0-0 10. Nxd8 Bxa4 11. cxd5 Raxd8 12. dxe6 fxe6 13. Bc4 Ne4 14. Bxe6+ Kh8 15. 0-0 Nxc3 16. Ba3 c5 17. dxc5 Nb5 18. Bb3 Nxa3 19. Bxa4 b5 20. Bb3 b4 21. Rac1 Nb5 22. Be6 Nc3 23. c6 Rd6 24. Bd7 Ne2+ 25. Kh1 Nxc1 26. Rxc1 Kg8 27. Bg4 h5 28. Bxh5 Rc8 29. Bf3 Rc7 30. h3 Kf8 31. Rc4 Rd2 32. Rxb4 Rxa2 33. Rf4+ Ke7 34. Bd5 Ra1+ 35. Kh2 a5 36. e4 Kd6 37. Rf8 a4 38. Ra8 a3 39. f4 Ke7 40. Kg3 Kf6 41. Kg4 Kg6 42. h4 Kf6 43. g3 g6 44. Kf3 a2 45. Kg4 Kg7 46. Ra6 Kh6 47. Bxa2 Re7 48. e5 Rc1 49. Bd5 Rc5 50. Be4 Rc4 51. Kf3 Rc3+ 52. Kf2 Rc4 53. Ke3 Rc3+ 54. Kd4 Rxg3 55. Kd5 Rc3 56. Kd6 Rf7 57. f5 gxf5 58. Bd5 Rd3 59. c7 Rxc7 60. Kxc7+ Kg7 61. Kd6 f4 62. Ra4 f3 63. Rf4 1-0

[Event "Deizisau Autumn op 14th"]
[Site "Deizisau"]
[Date "2019.10.27"]
[Round "4"]
[White "Heck, Nils"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "E85"]
[WhiteElo "1999"]
[BlackElo "2125"]
[PlyCount "114"]
[EventDate "2019.10.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 0-0 6. Be3 Nbd7 7. Nge2 e5 8. Qd2 a6 9. d5 Ne8 10. g4 f5 11. gxf5 gxf5 12. Bg5 Ndf6 13. h4 f4 14. h5 h6 15. Bh4 Qe7 16. Nc1 Qf7 17. Nb3 Nxh5 18. 0-0-0 b6 19. Bh3 Bxh3 20. Rxh3 Nhf6 21. Qh2 Qd7 22. Rg1 Rf7 23. Bxf6 Rxf6 24. Rxh6 Rxh6 25. Qxh6 Kf8 26. Qg6 Qf7 27. Qg5 Bf6 28. Qh6+ Ke7 29. c5 Ng7 30. c6 Nh5 31. Ne2 Rh8 32. Qg6 Qxg6 33. Rxg6 Kf7 34. Rg1 Ng7 35. Nd2 Rh2 36. Kd1 Bh4 37. Nc4 Ne8 38. Nd2 Bf2 39. Rg5 Be3 40. Nc4 Rh1+ 41. Kc2 Bc5 42. Rf5+ Ke7 43. Nxe5 dxe5 44. Rxe5+ Kf7 45. Rf5+ Kg8 46. Nxf4 Ng7 47. Rg5 Be3 48. Rg4 Bxf4 49. Rxf4 Ne8 50. e5 Re1 51. Rf5 Re2+ 52. Kc3 Kg7 53. f4 Rg2 54. a4 Rg1 55. Kc2 Rg2+ 56. Kc3 Rg1 57. Kc2 Rg2+ 1/2-1/2

[Event "Deizisau Autumn op 14th"]
[Site "Deizisau"]
[Date "2019.10.27"]
[Round "5"]
[White "Marquardt, Alexander"]
[Black "Engbrecht, Helmut"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2125"]
[BlackElo "1978"]
[PlyCount "48"]
[EventDate "2019.10.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. c4 Nc6 2. g3 d5 3. cxd5 Qxd5 4. Nf3 Bg4 5. Bg2 e5 6. Nc3 Qd7 7. h3 Bh5 8. g4 Bg6 9. Nh4 Be7 10. Nxg6 hxg6 11. d3 f5 12. g5 Bc5 13. a3 Nge7 14. Bd2 Bb6 15. Qa4 Qd4 16. 0-0 0-0-0 17. Rad1 Qxa4 18. Nxa4 Nd4 19. Nxb6+ axb6 20. Rfe1 Nc2 21. Rf1 Nd4 22. Rfe1 Nc2 23. Rf1 Nd4 24. Rfe1 Nc2 1/2-1/2

[Event "Deizisau Autumn op 14th"]
[Site "Deizisau"]
[Date "2019.10.26"]
[Round "3"]
[White "Marquardt, Alexander"]
[Black "Bueble, Joschua"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2125"]
[BlackElo "1720"]
[PlyCount "129"]
[EventDate "2019.10.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. b3 c5 7. Bb2 d4 8. e3 Nc6 9. exd4 cxd4 10. Re1 Re8 11. a3 a5 12. d3 Bf8 13. Ne5 Nxe5 14. Rxe5 Bd6 15. Rb5 Rb8 16. Bxd4 b6 17. Bxf6 Qxf6 18. Nd2 g6 19. Ne4 Qe7 20. b4 axb4 21. Nxd6 Qxd6 22. Rxb4 Rd8 23. Rb3 e5 24. Qe2 Qd4 25. Rab1 Bf5 26. Be4 Bxe4 27. Qxe4 Qxe4 28. dxe4 Rd4 29. c5 Rxe4 30. cxb6 Ra4 31. b7 Ra7 32. a4 Kg7 33. Rb4 Kf6 34. Kf1 Ke6 35. Ke2 Kd6 36. Ke3 f5 37. Kd3 Kd5 38. Rb5+ Kc6 39. Rxe5 Rbxb7 40. Rxb7 Rxb7 41. Re2 Rb3+ 42. Kc4 Ra3 43. Kb4 Ra1 44. Re6+ Kd5 45. Re7 Ra2 46. Rxh7 Rxf2 47. a5 Rb2+ 48. Ka3 Rb1 49. Rg7 Kc4 50. Rc7+ Kd5 51. Ka4 g5 52. a6 f4 53. gxf4 gxf4 54. Rc3 Ra1+ 55. Kb5 Ke4 56. Rc2 f3 57. Kb6 Rb1+ 58. Kc7 Ra1 59. Kb7 Rb1+ 60. Kc7 Ra1 61. Kb6 Rb1+ 62. Kc5 Ra1 63. Kb5 Rb1+ 64. Kc5 Ra1 65. Kb6 1/2-1/2

[Event "Deizisau Autumn op 14th"]
[Site "Deizisau"]
[Date "2019.10.26"]
[Round "2"]
[White "Mock, Oskar"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1983"]
[BlackElo "2125"]
[PlyCount "31"]
[EventDate "2019.10.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Bb5 Bd7 5. Nf3 g6 6. 0-0 Bg7 7. d3 e6 8. f5 Nd4 9. fxe6 Nxe6 10. Bxd7+ Qxd7 11. Ng5 Nd8 12. Nh3 Nf6 13. Nf4 0-0 14. Nfd5 Ng4 15. h3 Ne5 16. Bh6 1/2-1/2

[Event "Deizisau op 13th"]
[Site "Deizisau"]
[Date "2018.10.29"]
[Round "6"]
[White "Lohr, Maximilian"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "1839"]
[BlackElo "2155"]
[PlyCount "39"]
[EventDate "2018.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Be3 Bb4 7. f3 d5 8. Bb5 Bd7 9. Bxc6 bxc6 10. e5 Ng8 11. Nb3 f6 12. f4 f5 13. 0-0 Nh6 14. Qh5+ Nf7 15. Na4 Be7 16. Kh1 0-0 17. Nac5 Bc8 18. Qe2 Qc7 19. Rg1 g6 20. Rac1 1/2-1/2

[Event "Deizisau op 13th"]
[Site "Deizisau"]
[Date "2018.10.29"]
[Round "7"]
[White "Marquardt, Alexander"]
[Black "Brunner, Jan"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2155"]
[BlackElo "1940"]
[PlyCount "32"]
[EventDate "2018.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. b3 c5 7. Bb2 Nc6 8. cxd5 Nxd5 9. d3 Bf6 10. Qc1 b6 11. Nbd2 Bb7 12. Nc4 Qe7 13. e4 Bxb2 14. Nxb2 Nc7 15. e5 Rfd8 16. Re1 Rd7 1/2-1/2

[Event "Deizisau op 11th"]
[Site "Deizisau"]
[Date "2016.10.31"]
[Round "6"]
[White "Marquardt, Alexander"]
[Black "Jerie, Sven"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2148"]
[BlackElo "2051"]
[PlyCount "79"]
[EventDate "2016.10.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 d6 6. Nge2 c5 7. 0-0 Nc6 8. d3 a6 9. f4 Ne8 10. Be3 Nd4 11. Bxd4 cxd4 12. Nb1 Rb8 13. Nd2 b5 14. cxb5 axb5 15. b4 Nc7 16. Nb3 e5 17. Rc1 Na8 18. Na5 Bd7 19. Nc6 Bxc6 20. Rxc6 Rc8 21. Qc2 Qd7 22. Rc1 Rxc6 23. Qxc6 Qxc6 24. Rxc6 Rd8 25. Kf2 Bf8 26. a3 Rb8 27. Bh3 Nb6 28. Nc1 Na4 29. Nb3 Nc3 30. Na5 Nb1 31. Ra6 exf4 32. gxf4 Bh6 33. Kg3 Bg7 34. Nc6 Rf8 35. a4 Nc3 36. axb5 Nxb5 37. Ra5 Nc7 38. b5 Na8 39. Ne7+ Kh8 40. Nc8 1-0

[Event "Deizisau op 11th"]
[Site "Deizisau"]
[Date "2016.10.31"]
[Round "7"]
[White "Vuckovic, Aleksandar"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2324"]
[BlackElo "2148"]
[PlyCount "133"]
[EventDate "2016.10.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[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 Nbd7 4. g4 h6 5. h3 e5 6. Nge2 c6 7. Be3 Be7 8. Qd2 Qc7 9. 0-0-0 b6 10. f4 Ba6 11. Ng3 Bxf1 12. Rhxf1 0-0-0 13. Qe2 exd4 14. Bxd4 Ne8 15. Nf5 Bf8 16. Qa6+ Kb8 17. Qc4 Nc5 18. Rf3 b5 19. Qe2 Ne6 20. e5 d5 21. Bg1 g5 22. fxg5 hxg5 23. Qf1 Rd7 24. Bh2 Ka8 25. Ne2 Bg7 26. Ned4 a6 27. Rd2 c5 28. Nxe6 fxe6 29. Nxg7 Rxg7 30. Rdf2 Rhh7 31. Rf8 Re7 32. Kb1 Kb7 33. Qd3 Rhg7 34. Qd2 Qd7 35. Qc3 Qc6 36. b4 cxb4 37. Qxb4 Qc4 38. a3 Qxb4+ 39. axb4 Nc7 40. Bg1 Rd7 41. Kb2 d4 42. Rd2 Rh7 43. Rf3 Nd5 44. Rxd4 Rc7 45. Be3 Rhg7 46. Bc1 Nb6 47. Re4 Rc4 48. Rxc4 Nxc4+ 49. Kb1 Nxe5 50. Re3 Nc4 51. Rxe6 Rh7 52. Bxg5 Rxh3 53. Bf6 Rh1+ 54. Ka2 Rh2 55. g5 Rxc2+ 56. Kb3 Rg2 57. Kc3 Nb6 58. Kd4 Nd7 59. Be7 Rg4+ 60. Ke3 Nf8 61. Bxf8 Rxg5 62. Be7 Rh5 63. Kd4 Rf5 64. Bc5 Rf7 65. Rb6+ Kc7 66. Rxa6 Rd7+ 67. Ke5 1-0

[Event "Deizisau op 11th"]
[Site "Deizisau"]
[Date "2016.10.30"]
[Round "5"]
[White "Hacker, Jonas"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2321"]
[BlackElo "2148"]
[PlyCount "63"]
[EventDate "2016.10.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[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 Qb6 5. Nb3 Qc7 6. f4 b6 7. Nc3 a6 8. Bd3 Bb7 9. Be3 d6 10. a4 Nd7 11. 0-0 Ngf6 12. Nd4 Be7 13. Qf3 g6 14. Rae1 0-0 15. Bf2 e5 16. Nde2 Rae8 17. f5 Nc5 18. Ng3 Qc6 19. Be3 Kg7 20. Nd5 Ncd7 21. Nxe7 Rxe7 22. b3 Ree8 23. h3 Qc7 24. Qf2 Ng8 25. Qe2 a5 26. c4 f6 27. h4 Ne7 28. Bc2 Rd8 29. Qg4 Bc8 30. fxg6 Nxg6 31. h5 Nc5 32. Nf5+ 1-0

[Event "Deizisau op 11th"]
[Site "Deizisau"]
[Date "2016.10.30"]
[Round "4"]
[White "Marquardt, Alexander"]
[Black "Degenhard, Simon"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2148"]
[BlackElo "2042"]
[PlyCount "111"]
[EventDate "2016.10.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 c5 2. g3 e6 3. Bg2 d5 4. Nf3 Nc6 5. 0-0 Nf6 6. cxd5 exd5 7. b3 Be7 8. Bb2 0-0 9. d4 Re8 10. Nbd2 cxd4 11. Nxd4 Bg4 12. h3 Bh5 13. N2f3 Ne4 14. Nxc6 bxc6 15. Ne5 Bf6 16. Nxc6 Qb6 17. Bxf6 Nxf6 18. Nd4 Ne4 19. Rc1 Qb4 20. Qd3 Rac8 21. Rxc8 Rxc8 22. Bxe4 dxe4 23. Qxe4 Bxe2 24. Qxe2 Qxd4 25. Rd1 Qf6 26. Qe3 a6 27. Qd4 Qxd4 28. Rxd4 Kf8 29. Rd6 Ra8 30. Kf1 Ke7 31. Rb6 Ra7 32. Ke2 Kd7 33. Kd3 Kc7 34. Rb4 Kc6 35. a4 Kc5 36. Rc4+ Kd5 37. b4 Rb7 38. Rc5+ Kd6 39. Kc4 Re7 40. Kd4 Rb7 41. Kc3 g6 42. Kc4 h5 43. h4 Rb6 44. Ra5 Kc7 45. Rc5+ Kb7 46. Re5 Rf6 47. f4 Kc6 48. Rc5+ Kd7 49. a5 Re6 50. b5 axb5+ 51. Kxb5 Re1 52. Kb6 Rb1+ 53. Rb5 Ra1 54. Kb7 Kd6 55. a6 Rc1 56. a7 1-0

[Event "Neckar op-A 18th"]
[Site "Deizisau"]
[Date "2014.04.17"]
[Round "1"]
[White "Naiditsch, Arkadij"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2706"]
[BlackElo "2108"]
[PlyCount "69"]
[EventDate "2014.04.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Qb6 5. c3 Nc6 6. Nxc6 bxc6 7. e5 Bc5 8. Qf3 f6 9. Nd2 Ba6 10. Bxa6 Qxa6 11. Ne4 Be7 12. Bf4 0-0-0 13. Rd1 f5 14. Nd6+ Bxd6 15. Rxd6 h6 16. b3 Ne7 17. Bd2 g5 18. c4 Ng6 19. Qc3 Qa3 20. 0-0 f4 21. Bc1 Qc5 22. Bb2 Ne7 23. b4 Qb6 24. a4 Nf5 25. Rd3 Rhf8 26. c5 Qb7 27. Qc4 Ne7 28. Rb3 Nd5 29. b5 Rde8 30. Bd4 Kd8 31. Qd3 f3 32. g3 Rf5 33. Rfb1 Ke7 34. Kf1 h5 35. a5 1-0

[Event "Neckar op-A 17th"]
[Site "Deizisau"]
[Date "2013.03.28"]
[Round "1"]
[White "Marquardt, Alexander"]
[Black "Banusz, Tamas"]
[Result "0-1"]
[ECO "D40"]
[WhiteElo "2110"]
[BlackElo "2599"]
[PlyCount "108"]
[EventDate "2013.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. e3 Nf6 4. Nf3 c5 5. cxd5 exd5 6. d4 a6 7. dxc5 Bxc5 8. Be2 Nc6 9. 0-0 0-0 10. a3 Ba7 11. b4 Re8 12. Bb2 Bg4 13. Nd4 Ne5 14. Bxg4 Nfxg4 15. Nf3 Nc4 16. Bc1 Qf6 17. Nd4 Bxd4 18. Qxd4 Qxd4 19. exd4 Nf6 20. f3 h6 21. Kf2 Re6 22. Re1 Rc6 23. Ne2 Rac8 24. Nf4 Nd6 25. Be3 Rc2+ 26. Re2 g5 27. Rxc2 Rxc2+ 28. Ne2 Nc4 29. h4 gxh4 30. Rh1 Nxe3 31. Kxe3 Ra2 32. Rxh4 Rxa3+ 33. Kf4 Rd3 34. Rxh6 Kg7 35. Rh1 Ng8 36. Rc1 Rd2 37. Ke3 Rb2 38. Nf4 Ne7 39. g4 Rb3+ 40. Kf2 Rxb4 41. Rc7 Nc6 42. Nxd5 Rxd4 43. Nb6 a5 44. Ke3 Rb4 45. Nd5 Rb5 46. Ke4 a4 47. Nc3 Rc5 48. Nxa4 Rc4+ 49. Ke3 Rxa4 50. Rxb7 Ra3+ 51. Ke4 Nd8 52. Rb4 Ne6 53. f4 Nc5+ 54. Kd4 Nd3 0-1

[Event "Neckar op-A 16th"]
[Site "Deizisau"]
[Date "2012.04.05"]
[Round "1"]
[White "Marquardt, Alexander"]
[Black "Bischoff, Klaus"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2117"]
[BlackElo "2521"]
[PlyCount "72"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 b6 3. g3 Bb7 4. Bg2 Nf6 5. b3 c5 6. 0-0 Be7 7. Bb2 d6 8. Nc3 0-0 9. d4 cxd4 10. Nxd4 Bxg2 11. Kxg2 Qc7 12. e3 a6 13. Rc1 Nbd7 14. f4 Nc5 15. Rc2 Rfc8 16. Qf3 Ra7 17. Rd1 Qb7 18. Qxb7 Rxb7 19. Kf3 g6 20. Rcd2 e5 21. Nc2 e4+ 22. Ke2 Nd3 23. Ba1 b5 24. cxb5 axb5 25. Ne1 b4 26. Nxe4 Nxe4 27. Rxd3 Ra8 28. a4 bxa3 29. Rd4 Nc5 30. b4 Nb3 31. R4d3 Rxb4 32. Nc2 Rb6 33. Nd4 Nc5 34. R3d2 a2 35. Rc2 Rb1 36. Nc6 Bf8 0-1

[Event "Leipzig VfB op 16th"]
[Site "Leipzig"]
[Date "2009.04.05"]
[Round "9"]
[White "Marquardt, Alexander"]
[Black "Zaerban, Jan Christopher"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2080"]
[BlackElo "1959"]
[PlyCount "53"]
[EventDate "2009.03.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 c5 3. g3 Nc6 4. c3 g6 5. f4 Nge7 6. Nf3 Bg7 7. Bg2 0-0 8. 0-0 d6 9. Na3 Rb8 10. Nc2 e5 11. d3 b5 12. Ne3 f5 13. fxe5 fxe4 14. dxe4 Nxe5 15. Nxe5 Bxe5 16. Rxf8+ Qxf8 17. Bd2 Be6 18. b3 Qg7 19. Rc1 Qf8 20. Bf3 Qc8 21. Ng2 Qb7 22. Be3 a5 23. Nf4 Bf7 24. Nd3 Nc6 25. Nf4 Ne7 26. Nd3 Nc6 27. Nf4 1/2-1/2

[Event "Leipzig VfB op 16th"]
[Site "Leipzig"]
[Date "2009.04.04"]
[Round "7"]
[White "Graf, Alexander"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2644"]
[BlackElo "2080"]
[PlyCount "33"]
[EventDate "2009.03.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. Nge2 c6 8. Qd2 exd4 9. Nxd4 Re8 10. Be2 d5 11. exd5 cxd5 12. 0-0 dxc4 13. Bxc4 Ng4 14. fxg4 Rxe3 15. Rxf7 Bxd4 16. Rd7+ Re6+ 17. Rxd4 1-0

[Event "Leipzig VfB op 16th"]
[Site "Leipzig"]
[Date "2009.04.04"]
[Round "8"]
[White "Kregelin, Jan"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2158"]
[BlackElo "2080"]
[PlyCount "45"]
[EventDate "2009.03.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. g3 d5 5. Bg2 Bg7 6. e3 0-0 7. Ne2 c6 8. 0-0 f5 9. Nd2 Nd7 10. c4 dxc4 11. Nxc4 Nb6 12. Nxb6 Qxb6 13. Qc2 Bd7 14. Nc3 Rac8 15. Na4 Qd8 16. Nc5 b6 17. Nxd7 Qxd7 18. Rfd1 Rc7 19. Rac1 Rfc8 20. b4 Qe7 21. Qa4 Bf8 22. Rxc6 Rxc6 23. Bxc6 1/2-1/2

[Event "Leipzig VfB op 16th"]
[Site "Leipzig"]
[Date "2009.04.03"]
[Round "6"]
[White "Marquardt, Alexander"]
[Black "Schunk, Thomas"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2080"]
[BlackElo "2240"]
[PlyCount "109"]
[EventDate "2009.03.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 Nc5 6. Bg5 Qd7 7. exd6 Bxd6 8. Nc3 0-0 9. 0-0-0 Nc6 10. Nb5 Qg4 11. h3 Qa4 12. Nxd6 cxd6 13. Qc4 Be6 14. Qxa4 Nxa4 15. Rxd6 Rfc8 16. Bb5 Nc5 17. Bxc6 bxc6 18. Be3 Ne4 19. Rd4 f5 20. Ng5 Nxg5 21. Bxg5 h6 22. Be3 c5 23. Rd6 Kf7 24. a3 Rc7 25. Re1 Re8 26. Bf4 Rb7 27. h4 Rb6 28. Rxb6 axb6 29. a4 c4 30. Kd2 Rc8 31. Kc3 Bd7 32. Kb4 Bc6 33. f3 Ra8 34. b3 cxb3 35. cxb3 Rd8 36. Be3 Rd3 37. Kc4 Rd7 38. Bxb6 Rd2 39. Rg1 Bd5+ 40. Kc3 Ra2 41. Bc5 g6 42. Be3 h5 43. Rd1 Ke6 44. Rd2 Ra1 45. Kb2 Rh1 46. Bg5 Kd6 47. b4 Re1 48. Bf4+ Kc6 49. Bg3 Re7 50. Rc2+ Kb7 51. Bf4 Bc6 52. b5 Be8 53. Kc3 Re1 54. Bg3 Ra1 55. Kb4 1-0

[Event "Leipzig VfB op 16th"]
[Site "Leipzig"]
[Date "2009.04.02"]
[Round "4"]
[White "Lubbe, Melanie"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "B85"]
[WhiteElo "2242"]
[BlackElo "2080"]
[PlyCount "65"]
[EventDate "2009.03.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. 0-0 0-0 8. f4 Nc6 9. Nb3 a6 10. Bf3 Qc7 11. a4 b6 12. Be3 Bb7 13. Qe1 Nb4 14. Qf2 Nd7 15. Rad1 Rfd8 16. Rd4 Nc6 17. Rd2 Rac8 18. g4 Nc5 19. Nd4 Bf6 20. g5 Bxd4 21. Bxd4 Nxd4 22. Qxd4 e5 23. Qe3 Ne6 24. f5 Nd4 25. f6 Qd7 26. fxg7 Qh3 27. Rg2 b5 28. Rg3 Qh4 29. Bd1 b4 30. Rh3 Nxc2 31. Bxc2 Qg4+ 32. Rg3 Qe6 33. Qb6 1-0

[Event "Leipzig VfB op 16th"]
[Site "Leipzig"]
[Date "2009.04.02"]
[Round "5"]
[White "Marquardt, Alexander"]
[Black "Frotscher, Thomas"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2080"]
[BlackElo "2188"]
[PlyCount "19"]
[EventDate "2009.03.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. e4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 0-0 9. 0-0 Bd7 10. Rc1 1/2-1/2

[Event "Leipzig VfB op 16th"]
[Site "Leipzig"]
[Date "2009.04.01"]
[Round "2"]
[White "Baumert, Andre"]
[Black "Marquardt, Alexander"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1899"]
[BlackElo "2080"]
[PlyCount "45"]
[EventDate "2009.03.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 g6 2. Nf3 Bg7 3. g3 e5 4. Nc3 Ne7 5. Bg2 0-0 6. 0-0 f5 7. e4 Nbc6 8. d3 d6 9. Bd2 fxe4 10. Nxe4 h6 11. b4 Nf5 12. b5 Ncd4 13. Nxd4 Nxd4 14. Nc3 g5 15. a4 g4 16. f3 gxf3 17. Bxf3 Rxf3 18. Rxf3 Bg4 19. Rf8+ Qxf8 20. Qxg4 Nf3+ 21. Kg2 Nxd2 22. Qd1 e4 23. Qxd2 0-1

[Event "Leipzig VfB op 16th"]
[Site "Leipzig"]
[Date "2009.04.01"]
[Round "3"]
[White "Marquardt, Alexander"]
[Black "Hoffmann, Hendrik"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2080"]
[BlackElo "2210"]
[PlyCount "119"]
[EventDate "2009.03.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. e4 c5 4. Nge2 Nc6 5. g3 e6 6. Bg2 Nge7 7. 0-0 0-0 8. f4 d6 9. d3 a6 10. g4 f5 11. exf5 gxf5 12. g5 Rb8 13. Qe1 b5 14. Qh4 b4 15. Nd1 Nd4 16. Nxd4 Bxd4+ 17. Be3 Bxe3+ 18. Nxe3 Bb7 19. Qh6 Qd7 20. Rae1 Ng6 21. h4 Qg7 22. Qxg7+ Kxg7 23. h5 Ne7 24. Nd5 Nxd5 25. cxd5 Bxd5 26. Bxd5 exd5 27. Re7+ Rf7 28. h6+ Kg8 29. Re6 Rd7 30. b3 a5 31. Rfe1 a4 32. Kf2 c4 33. dxc4 dxc4 34. bxc4 b3 35. axb3 Rxb3 36. Rf6 Rb8 37. Rxf5 Ra8 38. Rb5 a3 39. Ra1 Rc7 40. Rb4 Kf7 41. Kf3 Ke6 42. Kg4 Ra5 43. Re1+ Kf7 44. Rb6 a2 45. Ra1 Ke6 46. Rb5 Ra4 47. f5+ Kf7 48. Kh5 Rcxc4 49. Rb7+ Kg8 50. Rb8+ Kf7 51. g6+ hxg6+ 52. fxg6+ Ke6 53. g7 Kf5 54. Rf8+ Ke5 55. Re1+ Re4 56. g8Q a1Q 57. Qg7+ Kd5 58. Rxa1 Rh4+ 59. Kg6 Rhg4+ 60. Kh7 1-0

[Event "Leipzig VfB op 16th"]
[Site "Leipzig"]
[Date "2009.03.31"]
[Round "1"]
[White "Marquardt, Alexander"]
[Black "Tomassetti, Giuseppe"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2080"]
[BlackElo "1697"]
[PlyCount "89"]
[EventDate "2009.03.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. g3 f5 4. Bg2 Nf6 5. e3 Nc6 6. Nge2 Be7 7. 0-0 0-0 8. d4 Qe8 9. Rb1 a5 10. a3 Qh5 11. f4 e4 12. b4 axb4 13. axb4 Nb8 14. Bd2 c6 15. d5 Nbd7 16. dxc6 bxc6 17. Nd4 Nb8 18. Qxh5 Nxh5 19. g4 Nf6 20. gxf5 d5 21. b5 Bc5 22. Nb3 Bb4 23. bxc6 dxc4 24. Nd4 Bxc3 25. Bxc3 Na6 26. Ne6 Bxe6 27. fxe6 Rfe8 28. Bxf6 gxf6 29. Bxe4 Nc5 30. Bd5 f5 31. e4 Nxe4 32. Bxe4 fxe4 33. f5 Rac8 34. Kf2 Rxc6 35. Ke3 Kf8 36. Kxe4 c3 37. Ke5 Rd8 38. Kf6 c2 39. Rbc1 Rd2 40. Ra1 Rd8 41. Ra7 Kg8 42. Rg1+ Kh8 43. Rc1 Rdc8 44. Kf7 Rd6 45. e7 1-0

[Event "Leipzig VfB op 15th"]
[Site "Leipzig"]
[Date "2008.03.02"]
[Round "9"]
[White "Just, Gabriele"]
[Black "Marquardt, Alexander"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2003"]
[BlackElo "2099"]
[PlyCount "68"]
[EventDate "2008.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. c3 cxd4 5. Bxb8 Rxb8 6. Nxd4 a6 7. e3 Be7 8. a4 0-0 9. Nd2 d5 10. Bd3 g6 11. a5 Qc7 12. 0-0 e5 13. Nc2 Bg4 14. Be2 Be6 15. h3 Rbd8 16. Nf3 Ne4 17. Nh2 Bd6 18. Nf3 f5 19. Nce1 f4 20. exf4 Rxf4 21. Qb3 Nc5 22. Qd1 Ne4 23. Qb3 Bc5 24. Nd3 Rxf3 25. Bxf3 Nd2 26. Qa2 Nxf3+ 27. gxf3 Ba7 28. Rfe1 e4 29. f4 exd3 30. Rxe6 Qxf4 31. Re8+ Rxe8 32. Qxd5+ Qf7 33. Qxd3 Qxf2+ 34. Kh1 Re2 0-1

[Event "Leipzig VfB op 15th"]
[Site "Leipzig"]
[Date "2008.03.01"]
[Round "7"]
[White "Grosse, Marcus"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "1884"]
[BlackElo "2099"]
[PlyCount "65"]
[EventDate "2008.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. c3 0-0 8. d4 cxd4 9. cxd4 d5 10. e5 Bd7 11. Nc3 a6 12. Be3 b5 13. b3 Rc8 14. Rc1 Nf5 15. Qd2 Nxe3 16. fxe3 Bh6 17. Ne2 Qa5 18. Nf4 Bxf4 19. gxf4 Qxd2 20. Nxd2 Nb4 21. e4 Nc2 22. exd5 exd5 23. Bxd5 Nxd4 24. Kf2 Bc6 25. Bxc6 Nxc6 26. a3 f6 27. exf6 Rxf6 28. Kg3 Rd8 29. Ne4 Re6 30. Nc5 Rf6 31. Ne4 Re6 32. Nc5 Rf6 33. Ne4 1/2-1/2

[Event "Leipzig VfB op 15th"]
[Site "Leipzig"]
[Date "2008.03.01"]
[Round "8"]
[White "Marquardt, Alexander"]
[Black "Herfurth, Thomas"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2099"]
[BlackElo "1899"]
[PlyCount "39"]
[EventDate "2008.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. c4 Nc6 2. Nc3 e5 3. g3 d6 4. Bg2 Nge7 5. Nf3 g6 6. 0-0 Bg7 7. Rb1 0-0 8. b4 f5 9. Qb3 Kh8 10. d3 Rb8 11. Qa3 a6 12. b5 axb5 13. cxb5 Nd4 14. Nxd4 exd4 15. Nd5 Bd7 16. Bg5 Re8 17. Nxe7 Rxe7 18. Qa7 Ra8 19. Bxe7 Rxa7 20. Bxd8 1-0

[Event "Leipzig VfB op 15th"]
[Site "Leipzig"]
[Date "2008.02.29"]
[Round "6"]
[White "Marquardt, Alexander"]
[Black "Nerlich, Vincent"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2099"]
[BlackElo "1933"]
[PlyCount "53"]
[EventDate "2008.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c5 5. cxd5 Nxd5 6. e4 cxd4 7. exd5 dxc3 8. Bb5+ Bd7 9. dxe6 fxe6 10. Bxd7+ Qxd7 11. bxc3 Bc5 12. Be3 Bxe3 13. fxe3 Qxd1+ 14. Rxd1 Nc6 15. Nd4 Ke7 16. Nxc6+ bxc6 17. Ke2 Rab8 18. Rb1 Rhd8 19. Rb3 Rb6 20. Rhb1 Rdb8 21. Kd3 Kd6 22. Kc4 Kc7 23. Kc5 Rd8 24. Rf1 Rd5+ 25. Kc4 Rf5 26. Rf3 Kd6 27. Rxf5 1/2-1/2

[Event "Leipzig VfB op 15th"]
[Site "Leipzig"]
[Date "2008.02.29"]
[Round "5"]
[White "Weigelt, Thomas"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "1935"]
[BlackElo "2099"]
[PlyCount "80"]
[EventDate "2008.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 e5 7. d5 Na6 8. Bd3 c6 9. Be3 Nd7 10. 0-0 f5 11. Ng5 Nc7 12. f4 h6 13. Ne6 Nxe6 14. dxe6 Nc5 15. Bxc5 dxc5 16. exf5 Qd4+ 17. Kh1 gxf5 18. e7 Re8 19. fxe5 Rxe7 20. Bxf5 Bxf5 21. Rxf5 Qxc4 22. Qh5 Rae8 23. Re1 Rxe5 24. Qxe8+ Rxe8 25. Rxe8+ Kh7 26. Re7 Kg6 27. Rf3 Bxc3 28. Rxc3 Qf1+ 29. Kh2 Qf4+ 30. Rg3+ Kf6 31. Rxb7 h5 32. Rbb3 Ke6 33. Rbf3 Qd6 34. h4 Qd4 35. Rg6+ Ke7 36. Kh3 Qg1 37. Rg7+ Ke6 38. Rg6+ Ke7 39. Rg7+ Ke6 40. Rg6+ Ke7 1/2-1/2

[Event "Leipzig VfB op 15th"]
[Site "Leipzig"]
[Date "2008.02.28"]
[Round "4"]
[White "Kreyssig, Robert"]
[Black "Marquardt, Alexander"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1769"]
[BlackElo "2099"]
[PlyCount "62"]
[EventDate "2008.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. h3 e5 7. d5 Na6 8. Bg5 Qe8 9. Be2 Nc5 10. Qc2 a5 11. g4 Bd7 12. 0-0-0 a4 13. Rdg1 c6 14. Bxf6 Bxf6 15. g5 Bg7 16. h4 Na6 17. h5 Nb4 18. Qd2 cxd5 19. cxd5 Qc8 20. Kb1 Qc5 21. hxg6 fxg6 22. Rh2 Rf7 23. Rgh1 Raf8 24. Rxh7 Rxf3 25. Bxf3 Rxf3 26. R1h2 a3 27. bxa3 Rxc3 28. axb4 Qxb4+ 29. Ka1 Qc4 30. f3 Rd3 31. Qc2 Qd4+ 0-1

[Event "Leipzig VfB op 15th"]
[Site "Leipzig"]
[Date "2008.02.28"]
[Round "3"]
[White "Marquardt, Alexander"]
[Black "Nosek, Reinhard"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2099"]
[BlackElo "1905"]
[PlyCount "48"]
[EventDate "2008.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 g6 5. Bb5 Bg7 6. 0-0 Nh6 7. d3 0-0 8. h3 Nd4 9. Bc4 Kh8 10. Bd2 a6 11. a4 b6 12. Rb1 Bd7 13. g4 b5 14. axb5 axb5 15. Bd5 Ra7 16. Nxd4 Bxd4+ 17. Kg2 e6 18. Bb3 Bc6 19. Ne2 Bg7 20. c3 c4 21. Bc2 f5 22. Ng3 d5 23. Kh2 cxd3 24. Bxd3 dxe4 0-1

[Event "Leipzig VfB op 15th"]
[Site "Leipzig"]
[Date "2008.02.27"]
[Round "2"]
[White "Ksieski, Zbigniew"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2407"]
[BlackElo "2099"]
[PlyCount "49"]
[EventDate "2008.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Bg5 Nbd7 7. Bd3 c5 8. d5 h6 9. Bf4 Nh5 10. Be3 Qa5 11. Bd2 Ne5 12. Be2 Nf6 13. f4 Ned7 14. Nf3 Nh5 15. Bd3 Qb6 16. Na4 Qc7 17. g4 Nhf6 18. Nc3 e6 19. dxe6 fxe6 20. Qe2 Qc6 21. 0-0-0 Rd8 22. e5 dxe5 23. fxe5 Nh7 24. g5 hxg5 25. Bxg6 1-0

[Event "Leipzig VfB op 15th"]
[Site "Leipzig"]
[Date "2008.02.26"]
[Round "1"]
[White "Marquardt, Alexander"]
[Black "Larter, Nick J"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2099"]
[BlackElo "1780"]
[PlyCount "107"]
[EventDate "2008.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 c5 3. Nc3 a6 4. g3 b6 5. Bg2 Bb7 6. d3 g6 7. Nf3 Bg7 8. Bg5 Ne7 9. 0-0 Nbc6 10. Rae1 0-0 11. Qd2 Qc7 12. Bh6 d6 13. h3 Rae8 14. Nd1 Nb4 15. Bxg7 Kxg7 16. a3 Nbc6 17. Ne3 f5 18. Ng5 Nd8 19. exf5 Nxf5 20. Nxf5+ Rxf5 21. Be4 Bxe4 22. dxe4 Rff8 23. Rd1 h6 24. Qc3+ e5 25. Nf3 Rf6 26. Nh2 Ne6 27. Qd3 Ng5 28. h4 Nf7 29. Ng4 Rfe6 30. Qxa6 h5 31. Ne3 Qc6 32. Nd5 Rb8 33. a4 Qb7 34. Qxb7 Rxb7 35. c3 Re8 36. b4 Ra8 37. Ra1 Ra6 38. a5 bxa5 39. Rxa5 Rxa5 40. bxa5 Ra7 41. Ra1 Nd8 42. Nb6 Kf7 43. a6 Ke6 44. f4 Nc6 45. Nc8 Ra8 46. a7 exf4 47. gxf4 Rxc8 48. a8Q Rxa8 49. Rxa8 Ne7 50. Ra6 Nc8 51. Kf2 Kd7 52. Kf3 Ke6 53. e5 Kd5 54. c4+ 1-0

[Event "Leipzig VfB op 14th"]
[Site "Leipzig"]
[Date "2007.03.25"]
[Round "9"]
[White "Nowak, Thomas"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "A82"]
[WhiteElo "1809"]
[BlackElo "2094"]
[PlyCount "47"]
[EventDate "2007.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. f3 d5 5. fxe4 dxe4 6. Bc4 Bg4 7. Nge2 Nbd7 8. h3 Nb6 9. Bb3 Bh5 10. g4 Bg6 11. Nf4 Qd6 12. Qe2 c6 13. Nxg6 hxg6 14. g5 Nh5 15. Qf2 Nd5 16. Nxd5 cxd5 17. Ba4+ Kd8 18. Bd2 Ng3 19. Qf7 Nxh1 20. 0-0-0 Ng3 21. Qe8+ Kc7 22. Qxa8 b6 23. Qxa7+ Kd8 24. Bb4 1-0

[Event "Leipzig VfB op 14th"]
[Site "Leipzig"]
[Date "2007.03.24"]
[Round "7"]
[White "Dehning Busse, Karsten"]
[Black "Marquardt, Alexander"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1854"]
[BlackElo "2094"]
[PlyCount "88"]
[EventDate "2007.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 e6 2. e4 c5 3. c3 b6 4. Nf3 Ne7 5. Bd3 Ng6 6. Be3 Qc7 7. Qd2 Bb7 8. Na3 a6 9. dxc5 bxc5 10. Qe2 Nf4 11. Bxf4 Qxf4 12. Nc4 Qc7 13. 0-0 Be7 14. Rad1 d6 15. Ne1 0-0 16. f4 d5 17. exd5 exd5 18. Ne5 Bf6 19. N1f3 Nd7 20. Rde1 Rfe8 21. Qc2 g6 22. Nxd7 Qxd7 23. Qf2 Qc7 24. Qd2 Qb6 25. Kh1 Bc6 26. Ne5 Rab8 27. Nxc6 Qxc6 28. Rxe8+ Rxe8 29. Re1 a5 30. Rxe8+ Qxe8 31. Qe2 Qa4 32. b3 Qxf4 33. c4 d4 34. g3 Qg5 35. Be4 h5 36. Bf3 Kf8 37. Qe4 Qc1+ 38. Kg2 Qc3 39. Qc6 Qc2+ 40. Kh3 Qf5+ 41. Kg2 Kg7 42. Qc7 Qc2+ 43. Kh3 Qf2 44. Bd5 Qf1+ 0-1

[Event "Leipzig VfB op 14th"]
[Site "Leipzig"]
[Date "2007.03.24"]
[Round "8"]
[White "Marquardt, Alexander"]
[Black "Schroeter, Samuel"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "2094"]
[BlackElo "1768"]
[PlyCount "14"]
[EventDate "2007.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. Nc3 d5 4. d4 c6 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 Qa5 1/2-1/2

[Event "Leipzig VfB op 14th"]
[Site "Leipzig"]
[Date "2007.03.23"]
[Round "6"]
[White "Marquardt, Alexander"]
[Black "Rojas Keim, Luis Alberto"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2094"]
[BlackElo "2414"]
[PlyCount "72"]
[EventDate "2007.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6 6. Nf3 Bg7 7. d3 0-0 8. 0-0 Nc6 9. Bd2 Bg4 10. Rb1 Qd7 11. Re1 e5 12. a4 Rad8 13. Ne4 Qe7 14. b4 Nd5 15. b5 Nd4 16. Nxd4 exd4 17. Qb3 b6 18. Bg5 f6 19. Bxf6 Bxf6 20. Nxf6+ Qxf6 21. Bxd5+ Kh8 22. f3 Qg5 23. h4 Qe5 24. Kg2 Rxd5 25. fxg4 Rd7 26. Qb2 Re8 27. Kh3 h5 28. gxh5 Qf5+ 29. Kg2 Re3 30. Rf1 Qe5 31. Rf2 Qxg3+ 32. Kf1 Qxh4 33. Rf3 Rde7 34. Rxe3 Rxe3 35. Qc2 Qh1+ 36. Kf2 Rf3+ 0-1

[Event "Leipzig VfB op 14th"]
[Site "Leipzig"]
[Date "2007.03.22"]
[Round "5"]
[White "Grosse, Christian"]
[Black "Marquardt, Alexander"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1888"]
[BlackElo "2094"]
[PlyCount "102"]
[EventDate "2007.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Qc7 6. Nc3 a6 7. Bd3 Nf6 8. 0-0 Be7 9. Kh1 b5 10. f4 d6 11. Be3 Bb7 12. Qf3 Nbd7 13. Rae1 d5 14. exd5 Nxd5 15. Nxd5 Bxd5 16. Be4 Bxe4 17. Qxe4 Rc8 18. c3 0-0 19. Bd4 Bf6 20. Rd1 Rfd8 21. Qf3 Bxd4 22. Rxd4 Nb6 23. Rfd1 Nc4 24. Qe2 Rxd4 25. Rxd4 Rd8 26. g3 h6 27. Qf2 Rxd4 28. Nxd4 Qb7+ 29. Kg1 Qe4 30. b3 Ne3 31. Nf3 Nd1 32. Qf1 Nxc3 33. a3 Ne2+ 34. Kf2 Nd4 35. Nxd4 Qxd4+ 36. Kg2 Qb2+ 37. Kh3 Qxb3 38. Qc1 Qc4 39. Qd1 Qd5 40. Qe2 Qb3 41. Qd2 Qxa3 42. Qd8+ Qf8 43. Qb6 Qa8 44. Qa5 Qb7 45. Qd8+ Kh7 46. Qd3+ g6 47. Qa3 b4 48. Qb3 a5 49. g4 a4 50. Qxa4 Qf3+ 51. Kh4 Qxf4 0-1

[Event "Leipzig VfB op 14th"]
[Site "Leipzig"]
[Date "2007.03.22"]
[Round "4"]
[White "Marquardt, Alexander"]
[Black "Herfurth, Thomas"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2094"]
[BlackElo "1893"]
[PlyCount "67"]
[EventDate "2007.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. 0-0 h6 6. c4 c6 7. Qb3 Qb6 8. Nc3 Bd6 9. Na4 Qxb3 10. axb3 Nbd7 11. c5 Bc7 12. Bf4 Bxf4 13. gxf4 Ke7 14. Nc3 Ne8 15. b4 Nc7 16. Nd2 Nf6 17. f3 Nh5 18. e3 Bd3 19. Rfe1 Nb5 20. Nd1 g5 21. Nf2 Bg6 22. fxg5 hxg5 23. Bf1 Nc7 24. Ra3 f6 25. Nd1 e5 26. Nc3 a6 27. dxe5 fxe5 28. Nd1 Ne6 29. Nf2 Nf6 30. Bd3 Bxd3 31. Nxd3 Nd7 32. Nf1 Raf8 33. Kg2 Rf7 34. h3 1/2-1/2

[Event "Leipzig VfB op 14th"]
[Site "Leipzig"]
[Date "2007.03.21"]
[Round "2"]
[White "Marquardt, Alexander"]
[Black "Berry, Stephen"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2094"]
[BlackElo "2379"]
[PlyCount "76"]
[EventDate "2007.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. g3 Nf6 5. Bg2 Be7 6. 0-0 0-0 7. d4 e4 8. Ne1 c6 9. Nc2 Na6 10. Ne3 Nc7 11. d5 c5 12. f3 exf3 13. exf3 Bd7 14. a4 Nfe8 15. Ne2 g5 16. f4 g4 17. Bd2 Bf6 18. Bc3 Ng7 19. Qb3 b6 20. Rfe1 Re8 21. Bxf6 Qxf6 22. Qc3 Qg6 23. Nc1 Re7 24. Nb3 Rae8 25. Nd2 h5 26. b3 h4 27. Kf2 Nh5 28. Nc2 Na6 29. Rxe7 Rxe7 30. Re1 Qe8 31. Nb1 Kf7 32. Rxe7+ Qxe7 33. Qh8 hxg3+ 34. hxg3 Ng7 35. Qh6 Nc7 36. Nc3 a6 37. Bf1 Nce8 38. Bd3 Qf6 1/2-1/2

[Event "Leipzig VfB op 14th"]
[Site "Leipzig"]
[Date "2007.03.21"]
[Round "3"]
[White "Schunk, Thomas"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2346"]
[BlackElo "2094"]
[PlyCount "81"]
[EventDate "2007.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 e5 5. Bg2 Nb6 6. Nf3 Nc6 7. 0-0 Be7 8. a3 0-0 9. b4 Be6 10. d3 f6 11. Bb2 Qd7 12. Re1 Nd5 13. Ne4 Nd8 14. d4 a5 15. bxa5 exd4 16. Nxd4 Bf7 17. Nb3 Qa4 18. Nec5 Bxc5 19. Bxd5 Bd6 20. e4 c6 21. Bxf7+ Nxf7 22. Re3 Rfd8 23. Qe2 Rd7 24. f4 Re8 25. Bxf6 gxf6 26. Qg4+ Ng5 27. Qxd7 Rxe4 28. Rd3 Nf7 29. Rad1 Qxa3 30. Qg4+ Kf8 31. Qf3 f5 32. Kh1 Qb4 33. Rd4 Qa3 34. Qd3 Be7 35. Rd7 c5 36. Rc7 Qb4 37. Nd2 Rd4 38. Qe2 Bd6 39. Rd7 c4 40. Qe6 Be7 41. Rxd4 1-0

[Event "Leipzig VfB op 14th"]
[Site "Leipzig"]
[Date "2007.03.20"]
[Round "1"]
[White "Drusba, Wolfgang"]
[Black "Marquardt, Alexander"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1574"]
[BlackElo "2094"]
[PlyCount "82"]
[EventDate "2007.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. f4 e6 3. Nf3 Nc6 4. c3 d5 5. e5 Nge7 6. d3 Bd7 7. Be2 Nf5 8. 0-0 Qb6 9. Kh1 Be7 10. Na3 0-0 11. Nc2 Rac8 12. Qe1 f6 13. g4 Nh6 14. exf6 gxf6 15. Qh4 Nf7 16. g5 fxg5 17. fxg5 Nfe5 18. Ne3 Ng6 19. Qg3 Qc7 20. Qe1 d4 21. Ng4 e5 22. Nh6+ Kg7 23. Bd2 Nd8 24. Qg3 Bd6 25. Qg2 Ne6 26. Qf2 Bc6 27. Ng4 c4 28. Nf6 cxd3 29. Bxd3 dxc3 30. bxc3 Nc5 31. Bf5 e4 32. Bxc8 Qxc8 33. Qd4 Ne6 34. Qxd6 exf3 35. h4 Rd8 36. Nh5+ Kh8 37. Qg3 Rxd2 38. Rxf3 Rd3 39. Raf1 Bxf3+ 40. Rxf3 Qc6 41. Kg2 Rxf3 0-1

[Event "Leipzig VfB op 13th"]
[Site "Leipzig"]
[Date "2006.03.19"]
[Round "9"]
[White "Langer, Wolfgang"]
[Black "Marquardt, Alexander"]
[Result "0-1"]
[ECO "A90"]
[WhiteElo "2030"]
[BlackElo "1914"]
[PlyCount "66"]
[EventDate "2006.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 e6 2. g3 f5 3. Bg2 d5 4. c4 c6 5. Nf3 Nf6 6. Nbd2 Bd6 7. c5 Bc7 8. Ne5 0-0 9. Ndf3 Ne4 10. h4 Bd7 11. 0-0 Be8 12. a3 Bh5 13. Nh2 Bxe5 14. dxe5 Nxc5 15. b4 Ncd7 16. Bb2 g5 17. hxg5 Qxg5 18. Nf3 Bxf3 19. Bxf3 Rf7 20. Qc1 Qg6 21. Kg2 Na6 22. Rh1 Rg7 23. Rh6 Qe8 24. Qf4 Qe7 25. Rah1 Nf8 26. Rf6 Nc7 27. Bh5 a5 28. bxa5 Rxa5 29. Kf3 c5 30. Qh4 b5 31. Bc1 Ra4 32. Qh3 Nd7 33. Bg6 Nxe5+ 0-1

[Event "Leipzig VfB op 13th"]
[Site "Leipzig"]
[Date "2006.03.18"]
[Round "8"]
[White "Beyer, Till"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2030"]
[BlackElo "1914"]
[PlyCount "69"]
[EventDate "2006.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. Qc2 Nf6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. d3 Nbd7 8. Nbd2 e5 9. Rb1 Re8 10. e4 dxe4 11. Nxe4 Nxe4 12. dxe4 Nf8 13. Rd1 Qc7 14. h3 f6 15. b4 Be6 16. Be3 Red8 17. Bf1 b6 18. a4 Rxd1 19. Rxd1 Rd8 20. c5 Rxd1 21. Qxd1 Nd7 22. cxb6 axb6 23. a5 Bf8 24. Qa4 b5 25. Qc2 Bxb4 26. a6 c5 27. Bxb5 Nb6 28. Kh2 Qc8 29. Ng1 Kf7 30. Ne2 Bxh3 31. Nc1 Be6 32. Nd3 Ba5 33. Qxc5 Qb8 34. Qc6 f5 35. Qb7+ 1-0

[Event "Leipzig VfB op 13th"]
[Site "Leipzig"]
[Date "2006.03.18"]
[Round "7"]
[White "Marquardt, Alexander"]
[Black "Broberg, Horst"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1914"]
[BlackElo "2086"]
[PlyCount "146"]
[EventDate "2006.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 c5 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. d3 0-0 8. c3 d6 9. Be3 e5 10. Ne1 b6 11. f4 f5 12. Nd2 d5 13. fxe5 fxe4 14. Rxf8+ Bxf8 15. dxe4 d4 16. Qc4+ Kh8 17. Bf4 dxc3 18. bxc3 Bg7 19. Ndf3 Qg8 20. Qe2 Be6 21. Bf1 h6 22. h4 Rd8 23. Ng2 Bg4 24. Ne3 Bxf3 25. Qxf3 Nxe5 26. Bxe5 Bxe5 27. Ng4 Bg7 28. Qe3 h5 29. Nh2 Qe6 30. Nf3 Qf6 31. e5 Qf5 32. Bc4 Nc6 33. Ng5 Nxe5 34. Rf1 Qd7 35. Nf7+ Nxf7 36. Rxf7 Qd1+ 37. Rf1 Qd2 38. Qg5 Qxg5 39. hxg5 Bxc3 40. Rf7 Rd1+ 41. Kf2 Rd2+ 42. Ke3 Rd8 43. Bd3 Rd6 44. Rxa7 Re6+ 45. Kf3 Bd2 46. Ra8+ Kg7 47. Bc4 Rd6 48. Ra7+ Kf8 49. Rf7+ Ke8 50. Rf6 Ke7 51. Rf7+ Kd8 52. Rf6 Kc7 53. Bf7 Bxg5 54. Rxd6 Kxd6 55. Ke4 h4 56. gxh4 Bxh4 57. Bxg6 c4 58. Kd4 b5 59. Kc3 Kc5 60. Kc2 Kb4 61. Bh7 Ka3 62. Kb1 Bf6 63. Bg6 Kb4 64. Bh7 Kc3 65. Bg6 Kd2 66. Bh7 Be7 67. Bg6 b4 68. Bh7 Bf6 69. Bg6 b3 70. axb3 cxb3 71. Bf7 Kc3 72. Bg6 Be5 73. Bh7 Bd4 1/2-1/2

[Event "Leipzig VfB op 13th"]
[Site "Leipzig"]
[Date "2006.03.17"]
[Round "6"]
[White "Starke, Burkhard"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2074"]
[BlackElo "1914"]
[PlyCount "107"]
[EventDate "2006.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bf4 c6 6. Qc2 Bd6 7. Bxd6 Qxd6 8. e3 0-0 9. Bd3 Re8 10. h3 Nbd7 11. Nf3 Nf8 12. 0-0 Ng6 13. Rab1 Bd7 14. b4 a6 15. a4 Re7 16. b5 axb5 17. axb5 Rae8 18. bxc6 bxc6 19. Rb6 Ne4 20. Nb5 Qb4 21. Rb1 Qa5 22. Nc7 Rc8 23. Na6 h6 24. Nb8 c5 25. Nxd7 Rxd7 26. R6b5 Qa8 27. dxc5 Rdc7 28. Bxe4 dxe4 29. Nd2 f5 30. Qc4+ Kh7 31. Qc3 Rd7 32. Nc4 Rd3 33. Qb2 Rc7 34. Ne5 Rd5 35. Rb8 Qa7 36. Nxg6 Kxg6 37. Qb6+ Kh7 38. Ra8 Qxa8 39. Qxc7 Qa2 40. Rb6 Qa1+ 41. Kh2 Qe5+ 42. Qxe5 Rxe5 43. Rc6 Rd5 44. Kg3 g5 45. f3 Rd3 46. Rf6 exf3 47. gxf3 Rxe3 48. Rxf5 Kg6 49. Rd5 Rc3 50. Rd6+ Kf5 51. Rc6 h5 52. Rc8 h4+ 53. Kf2 Kf4 54. Rf8+ 1/2-1/2

[Event "Leipzig VfB op 13th"]
[Site "Leipzig"]
[Date "2006.03.16"]
[Round "4"]
[White "Dorsch, Andre"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "E38"]
[WhiteElo "2082"]
[BlackElo "1914"]
[PlyCount "53"]
[EventDate "2006.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Qc2 Qb6 7. e3 Nc6 8. Nf3 0-0 9. a3 Be7 10. Be2 d5 11. cxd5 exd5 12. 0-0 Bg4 13. Rd1 Rfd8 14. Nd4 Rac8 15. Bxg4 Nxg4 16. Nf5 Nf6 17. Nxe7+ Nxe7 18. b4 Ne4 19. Bb2 Ng6 20. Qb3 Nxc3 21. Bxc3 Qe6 22. Rd2 Rd7 23. Rad1 Rcd8 24. g3 h5 25. h4 Ne7 26. Qb1 Nf5 27. e4 1/2-1/2

[Event "Leipzig VfB op 13th"]
[Site "Leipzig"]
[Date "2006.03.16"]
[Round "5"]
[White "Marquardt, Alexander"]
[Black "Richter, Steffen"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "1914"]
[BlackElo "2088"]
[PlyCount "59"]
[EventDate "2006.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 d6 5. c4 Nf6 6. Nc3 e6 7. Be3 Nc6 8. Bd3 Bd7 9. 0-0 Be7 10. Qe2 0-0 11. Rad1 Qc7 12. f4 Nxd4 13. Bxd4 e5 14. Nd5 Nxd5 15. exd5 Rae8 16. Bc3 f5 17. fxe5 dxe5 18. Kh1 e4 19. Bc2 b5 20. Qd2 Bd6 21. Qg5 Rf7 22. cxb5 axb5 23. Bb3 Qd8 24. Qxd8 Rxd8 25. Rde1 Re7 26. a3 Be8 27. Ba5 Ra8 28. Bb4 Rd8 29. Rc1 Kf7 30. Ba5 1/2-1/2

[Event "Leipzig VfB op 13th"]
[Site "Leipzig"]
[Date "2006.03.15"]
[Round "3"]
[White "Marquardt, Alexander"]
[Black "Podolnyy, Jakiv"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1914"]
[BlackElo "2039"]
[PlyCount "73"]
[EventDate "2006.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 Nd7 8. Qd2 Nc5 9. 0-0-0 Bg4 10. Be2 0-0 11. h3 Bf5 12. g4 Be4 13. Rhg1 Ne6 14. Be3 c6 15. Nd4 Nxd4 16. Qxd4 d5 17. f3 Bf6 18. Qd2 Bg6 19. f4 Be4 20. g5 Be7 21. h4 Qa5 22. Kb1 Rfe8 23. Rdf1 b5 24. f5 b4 25. c4 Rad8 26. g6 Bf6 27. gxf7+ Kxf7 28. Bh5+ Kf8 29. Bxe8 Kxe8 30. Qe2 Kf7 31. Bg5 b3 32. axb3 Rb8 33. Qh5+ Ke7 34. Bxf6+ gxf6 35. Rg7+ Kd6 36. Qf7 Kc5 37. Qe7+ 1-0

[Event "Leipzig VfB op 13th"]
[Site "Leipzig"]
[Date "2006.03.15"]
[Round "2"]
[White "Otto, Andreas"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "B89"]
[WhiteElo "2145"]
[BlackElo "1914"]
[PlyCount "43"]
[EventDate "2006.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 a6 7. Bb3 Be7 8. Be3 Qc7 9. Qe2 Nc6 10. 0-0-0 0-0 11. Rhg1 b5 12. g4 b4 13. g5 bxc3 14. gxf6 cxb2+ 15. Kb1 Bxf6 16. Qf3 Bxd4 17. Rxd4 Ne5 18. Qg3 Ng6 19. h4 f5 20. exf5 Rxf5 21. Rxd6 a5 22. Rxe6 1-0

[Event "Leipzig VfB op 13th"]
[Site "Leipzig"]
[Date "2006.03.14"]
[Round "1"]
[White "Marquardt, Alexander"]
[Black "Goettert, Stefan"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1914"]
[BlackElo "2159"]
[PlyCount "137"]
[EventDate "2006.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 Nf6 5. e5 Nfd7 6. Ne2 c5 7. c3 Nc6 8. 0-0 cxd4 9. cxd4 0-0 10. Re1 f5 11. exf6 Nxf6 12. Nf3 Bd6 13. Bf4 Ng4 14. Bxd6 Qxd6 15. h3 Rxf3 16. hxg4 Rf7 17. Qd2 e5 18. dxe5 Nxe5 19. f3 Bxg4 20. Nd4 Bd7 21. Rad1 Raf8 22. Qg5 Nxd3 23. Rxd3 h6 24. Qd2 Rf4 25. Ne2 Qb6+ 26. Qe3 Qxe3+ 27. Rxe3 Rb4 28. b3 Bc6 29. a3 Rh4 30. g3 Rh5 31. Nd4 Rf6 32. b4 a6 33. Kg2 Rg5 34. Kf2 Rgg6 35. f4 Rf7 36. Re5 Rgf6 37. Kg2 g5 38. f5 Bd7 39. g4 h5 40. Kg3 h4+ 41. Kh3 Rd6 42. Nf3 Rg7 43. Rd1 Bc6 44. Nd4 Ba4 45. Rc1 Bd7 46. Rc7 Bc6 47. Rc8+ Kf7 48. Ne6 Kf6 49. Re2 d4 50. Rf8+ Rf7 51. Rxf7+ Kxf7 52. Nxg5+ Kf6 53. Kxh4 d3 54. Rd2 Rd7 55. Ne6 b6 56. Kg3 Ke5 57. Nf4 Ke4 58. f6 Bb5 59. g5 Kf5 60. Nh3 Rc7 61. Kf3 Kg6 62. Nf4+ Kf7 63. Nxd3 Rc3 64. Ke4 Rxa3 65. Ne5+ Ke6 66. f7 Ke7 67. Rf2 Bc6+ 68. Nxc6+ Kf8 69. Ne5 1-0

[Event "Leipzig VfB op 11th"]
[Site "Leipzig"]
[Date "2004.03.21"]
[Round "9"]
[White "Hillmann, Ralf"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2032"]
[BlackElo "1725"]
[PlyCount "89"]
[EventDate "2004.03.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 0-0 6. Qc2 d5 7. Nf3 Nbd7 8. Bg5 h6 9. Bh4 c6 10. e3 Qa5 11. Bd3 dxc4 12. Bxc4 Nd5 13. Bxd5 cxd5 14. 0-0 b6 15. Nd2 Ba6 16. Rfc1 Rfc8 17. Be7 Bc4 18. Nxc4 Rxc4 19. Bb4 Qb5 20. a4 Qc6 21. a5 b5 22. Qd3 Rc8 23. Re1 Nb8 24. Bc5 Rc7 25. e4 dxe4 26. Rxe4 Rxc3 27. Qxc3 Qxe4 28. Qg3 Qb7 29. Bd6 Rc8 30. Be5 f5 31. h4 Nc6 32. a6 Qd7 33. Qb3 Nxe5 34. dxe5 Qc6 35. g3 Qc4 36. Qe3 Rc7 37. Rd1 b4 38. Qf3 b3 39. Rd8+ Kh7 40. Qa8 Qg4 41. Rh8+ Kg6 42. Qe8+ Rf7 43. Qxe6+ Rf6 44. Qe8+ Rf7 45. e6 1-0

[Event "Leipzig VfB op 11th"]
[Site "Leipzig"]
[Date "2004.03.20"]
[Round "7"]
[White "Broberg, Horst"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2142"]
[BlackElo "1725"]
[PlyCount "107"]
[EventDate "2004.03.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b3 Nf6 4. e5 Nd5 5. c4 Nc7 6. Bb2 b6 7. g3 Bb7 8. Bg2 Be7 9. 0-0 f6 10. Re1 f5 11. Nc3 0-0 12. d4 cxd4 13. Nxd4 Bxg2 14. Kxg2 Bb4 15. a3 Bc5 16. b4 Bxd4 17. Qxd4 Nc6 18. Qd2 f4 19. f3 a5 20. Ne4 axb4 21. axb4 Rb8 22. Rad1 Rf7 23. Nd6 Rf8 24. b5 Na5 25. Ba3 Ne8 26. Re4 fxg3 27. hxg3 Ra8 28. Nxe8 Rxe8 29. Qxd7 Qxd7 30. Rxd7 Nxc4 31. Rxc4 Rxa3 32. Rcc7 Rb3 33. Rxg7+ Kh8 34. Rxh7+ Kg8 35. Rhg7+ Kh8 36. Rge7 Rxe7 37. Rxe7 Rxb5 38. Rxe6 Rb2+ 39. Kh3 b5 40. f4 b4 41. f5 b3 42. f6 Rf2 43. Rb6 b2 44. Kg4 Kg8 45. Rb7 Rg2 46. Kf5 Rxg3 47. Rb8+ Kh7 48. Rxb2 Rf3+ 49. Ke6 Kg8 50. Ke7 Rf5 51. Rg2+ Kh7 52. e6 Rf3 53. f7 Re3 54. Rh2+ 1-0

[Event "Leipzig VfB op 11th"]
[Site "Leipzig"]
[Date "2004.03.20"]
[Round "8"]
[White "Marquardt, Alexander"]
[Black "Odrich, Joerg"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "1725"]
[BlackElo "1486"]
[PlyCount "71"]
[EventDate "2004.03.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Ng5 h6 6. Ne6 Qa5+ 7. Bd2 Qb6 8. Bd3 Ndf6 9. Nxf8 Kxf8 10. Ne2 Bg4 11. f3 Bh5 12. g4 Nxg4 13. fxg4 Bxg4 14. c3 Nf6 15. Qb3 Qc7 16. 0-0-0 g5 17. Rdf1 b5 18. Ng3 Be6 19. Qc2 Qa5 20. b3 Bd5 21. c4 Qa3+ 22. Qb2 Qxb2+ 23. Kxb2 bxc4 24. Bxc4 Bxh1 25. Rxh1 e6 26. h4 g4 27. Bf4 Nd7 28. Ba6 Ke7 29. Rc1 c5 30. dxc5 e5 31. Be3 Kf6 32. c6 Nb6 33. c7 h5 34. Bb7 Rae8 35. Bxb6 axb6 36. c8Q 1-0

[Event "Leipzig VfB op 11th"]
[Site "Leipzig"]
[Date "2004.03.19"]
[Round "6"]
[White "Marquardt, Alexander"]
[Black "Hoffmann, Steffen"]
[Result "0-1"]
[ECO "B83"]
[WhiteElo "1725"]
[BlackElo "2052"]
[PlyCount "50"]
[EventDate "2004.03.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be3 Nf6 7. Be2 Be7 8. 0-0 0-0 9. Kh1 Bd7 10. f4 Qb8 11. Nb3 Rd8 12. g4 Be8 13. Qe1 d5 14. e5 d4 15. exf6 Bxf6 16. g5 Be7 17. Ne4 dxe3 18. Nf6+ gxf6 19. Qh4 fxg5 20. Qh6 Nb4 21. h4 Nxc2 22. Rac1 Nd4 23. Bd3 Nf5 24. Bxf5 exf5 25. hxg5 e2 0-1

[Event "Leipzig VfB op 11th"]
[Site "Leipzig"]
[Date "2004.03.18"]
[Round "4"]
[White "Marquardt, Alexander"]
[Black "Ehrhardt, Eric"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1725"]
[BlackElo "2060"]
[PlyCount "77"]
[EventDate "2004.03.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Qc7 8. f3 Be7 9. Qd2 Be6 10. 0-0-0 0-0 11. g4 Nbd7 12. g5 Nh5 13. Nd5 Bxd5 14. exd5 Rfb8 15. Bh3 a5 16. Kb1 b5 17. Bxd7 Qxd7 18. Nxa5 Ra6 19. Nc6 Rba8 20. a3 Rxc6 21. dxc6 Qxc6 22. Qd5 Qa6 23. Rd3 g6 24. Rb3 Rb8 25. c4 b4 26. Rxb4 Rxb4 27. axb4 Nf4 28. Bxf4 exf4 29. Re1 Qa7 30. b5 Bf8 31. Qd2 Qa4 32. Qc2 Qb4 33. Rd1 Qc5 34. Qb3 Qb6 35. h4 Bg7 36. Qa3 Be5 37. c5 Qxb5 38. cxd6 Qe2 39. Qb3 1-0

[Event "Leipzig VfB op 11th"]
[Site "Leipzig"]
[Date "2004.03.18"]
[Round "5"]
[White "Schmidt, Joerg"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2109"]
[BlackElo "1725"]
[PlyCount "99"]
[EventDate "2004.03.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 e5 6. 0-0 Nf6 7. Nc3 Nc6 8. d3 h6 9. Ne2 Be7 10. Ng3 g6 11. a3 h5 12. Bg5 Nh7 13. Bxe7 Qxe7 14. Re1 Ng5 15. Re3 Ne6 16. Ne2 h4 17. Nc3 Nf4 18. Nd5 Nxd5 19. exd5 Nd4 20. Nxd4 cxd4 21. Re1 Qg5 22. h3 0-0 23. b4 a5 24. Qe2 f5 25. Reb1 e4 26. dxe4 Rae8 27. bxa5 fxe4 28. Qg4 Qf6 29. Ra2 e3 30. fxe3 Rxe3 31. Re2 Rf7 32. Rxe3 Qf2+ 33. Kh1 dxe3 34. Qxg6+ Rg7 35. Qe8+ Kh7 36. Qh5+ Kg8 37. Qe8+ Kh7 38. Qh5+ Kg8 39. Qf3 Qc2 40. Rf1 Qxc4 41. Qf8+ Kh7 42. Rf4 Rxg2 43. Kxg2 Qe2+ 44. Kh1 Qd1+ 45. Rf1 Qxd5+ 46. Kh2 Qe5+ 47. Rf4 e2 48. Kg2 Qxf4 49. Qxf4 e1Q 50. Qf7+ 1/2-1/2

[Event "Leipzig VfB op 11th"]
[Site "Leipzig"]
[Date "2004.03.17"]
[Round "3"]
[White "Henschke, Andrea"]
[Black "Marquardt, Alexander"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1561"]
[BlackElo "1725"]
[PlyCount "65"]
[EventDate "2004.03.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 g6 3. e3 Bg7 4. Be2 c5 5. d3 Nc6 6. 0-0 Nf6 7. Qe1 Qc7 8. Nbd2 Bf5 9. Nh4 0-0-0 10. Nxf5 gxf5 11. Nb3 b6 12. Bf3 e6 13. c3 Ne8 14. Bd2 Nd6 15. a4 c4 16. Nd4 cxd3 17. Nb5 Nxb5 18. axb5 Na5 19. Qd1 Kb8 20. Bc1 Qc4 21. Qa4 Rd7 22. Bd1 Qxa4 23. Bxa4 Nc4 24. Rd1 d2 25. Bxd2 Nxb2 26. Rdc1 Nc4 27. Be1 Nxe3 28. h3 Rc8 29. Kf2 Nc4 30. Ra2 Nd6 31. Ke2 Rdc7 32. Rac2 Ne4 33. Kd3 0-1

[Event "Leipzig VfB op 11th"]
[Site "Leipzig"]
[Date "2004.03.17"]
[Round "2"]
[White "Marquardt, Alexander"]
[Black "Goettert, Stefan"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1725"]
[BlackElo "2213"]
[PlyCount "72"]
[EventDate "2004.03.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Nge7 7. Na3 cxd4 8. cxd4 Nf5 9. Nc2 Be7 10. 0-0 0-0 11. Bd3 g5 12. Nfe1 Ng7 13. f4 f6 14. Nf3 fxe5 15. fxe5 g4 16. Nd2 Qb6 17. Kh1 Nxd4 18. Qxg4 Nxc2 19. Bxc2 Qc7 20. Bd3 Rxf1+ 21. Nxf1 Qxe5 22. Bf4 Qh5 23. Qg3 Qh4 24. Qe3 b6 25. g3 Qh3 26. Be5 Bc6 27. Bd4 Rf8 28. Nd2 Bd6 29. Bf1 Qf5 30. Bd3 Qh5 31. Be2 Qe8 32. Bd3 Qh5 33. Be2 Qg6 34. Qc3 Bb7 35. Bd3 Qg4 36. Be2 Qxe2 0-1

[Event "Leipzig VfB op 11th"]
[Site "Leipzig"]
[Date "2004.03.16"]
[Round "1"]
[White "Lehmann, Karl Heinz"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "2248"]
[BlackElo "1725"]
[PlyCount "39"]
[EventDate "2004.03.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. c4 0-0 7. Nc3 Ne4 8. Nxe4 Bxe4 9. d5 d6 10. dxe6 fxe6 11. Bh3 e5 12. Be6+ Kh8 13. Bd5 Bxd5 14. cxd5 c6 15. b3 c5 16. e4 Nd7 17. Kg2 h6 18. Qe2 Qe8 19. Bd2 Qg6 20. Rae1 1/2-1/2

[Event "JBLN West 9798"]
[Site "Germany"]
[Date "1998.??.??"]
[Round "?"]
[White "Blumenstingl, Julian"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "D35"]
[PlyCount "68"]
[EventDate "1997.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 c6 7. e3 Bg4 8. Bd3 h6 9. Bh4 Nbd7 10. h3 Be6 11. Nge2 Nb6 12. 0-0 Nh5 13. Bxe7 Qxe7 14. Rab1 Qg5 15. f4 Qe7 16. f5 Bd7 17. e4 dxe4 18. Nxe4 Nd5 19. Qd2 0-0 20. Rbe1 Nhf6 21. N2c3 Nxc3 22. bxc3 Nxe4 23. Rxe4 Qf6 24. Qf4 Rae8 25. Rxe8 Rxe8 26. Qc7 Bc8 27. Bc4 Qe7 28. Qxe7 Rxe7 29. f6 gxf6 30. Rxf6 Kg7 31. Rf3 Be6 32. Re3 Kf6 33. Bb3 b5 34. Kf2 a5 1/2-1/2

[Event "Schleswig Holstein-ch U17 VR2"]
[Site "Neumuenster"]
[Date "1998.??.??"]
[Round "8"]
[White "Brammann, Wolfgang"]
[Black "Marquardt, Alexander"]
[Result "0-1"]
[ECO "C15"]
[PlyCount "52"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. Bd2 Nf6 6. Nf4 Qxd4 7. a3 Bc5 8. Nh3 Bd7 9. Bb5 c6 10. Be2 e5 11. 0-0 Bxh3 12. Rb1 Be6 13. Be3 Qxd1 14. Rbxd1 Bxe3 15. fxe3 Nbd7 16. b4 0-0 17. h3 Rfd8 18. g4 Nb6 19. g5 Nfd5 20. Nxd5 Nxd5 21. Rc1 Nxe3 22. Rfe1 Bxh3 23. Kf2 Nd5 24. c4 Nf4 25. Kg3 Rd2 26. Bg4 Rg2+ 0-1

[Event "Schleswig Holstein-ch U17 VR2"]
[Site "Neumuenster"]
[Date "1998.??.??"]
[Round "6"]
[White "Brauer, Hendrik"]
[Black "Marquardt, Alexander"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "112"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Be6 5. Nc3 c6 6. Bd3 Bd6 7. Qe2 Ne7 8. Ng5 Qd7 9. 0-0 Bg4 10. f3 Bh5 11. Na4 Qc7 12. g3 Nd7 13. Re1 Nf6 14. Kg2 h6 15. Nh3 0-0-0 16. Bf4 Rhe8 17. Bxd6 Qxd6 18. Nc5 Kb8 19. Qe5 Qxe5 20. Rxe5 Bg6 21. Rae1 Bxd3 22. Nxd3 Ng6 23. R5e3 Kc7 24. Nhf4 Nxf4+ 25. Nxf4 Kd6 26. h4 a5 27. g4 b5 28. g5 Rxe3 29. Rxe3 hxg5 30. hxg5 Nh7 31. g6 fxg6 32. Re6+ Kd7 33. Rxg6 Rg8 34. Nh5 b4 35. Rxg7+ Rxg7+ 36. Nxg7 Kd6 37. Nf5+ Ke6 38. Ne3 Kd6 39. Kg3 c5 40. c3 Ng5 41. Kg4 Ne6 42. f4 cxd4 43. cxd4 Nxd4 44. f5 a4 45. b3 axb3 46. axb3 Ke5 47. Nxd5 Kxd5 48. f6 Ke6 49. Kg5 Kf7 50. Kf4 Nxb3 51. Ke3 Nc5 52. Kd2 Kxf6 53. Kc2 Ke5 54. Kb2 Kd4 55. Kb1 Kc3 56. Kc1 b3 0-1

[Event "JBLN West 9798"]
[Site "Germany"]
[Date "1998.??.??"]
[Round "?"]
[White "Claas, Marco"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "91"]
[EventDate "1997.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 c6 4. cxd5 exd5 5. Qc2 Be6 6. Nf3 Nf6 7. Bg5 Be7 8. e3 Nbd7 9. Bd3 h6 10. Bh4 Nb6 11. 0-0 Rc8 12. Na4 Nfd7 13. Bxe7 Qxe7 14. Rac1 0-0 15. Nc5 Nxc5 16. Qxc5 Qxc5 17. dxc5 Nd7 18. Nd4 Ne5 19. Rfd1 Rfe8 20. Be2 Bd7 21. b4 Ng6 22. b5 cxb5 23. Bxb5 Red8 24. Rd2 Ne7 25. Rdc2 Nc6 26. Bxc6 Bxc6 27. Rb2 Rd7 28. g3 g6 29. Rcb1 a6 30. Rb6 Rdc7 31. Nxc6 Rxc6 32. Rxb7 Rxc5 33. Ra7 Ra5 34. Rbb7 Rf8 35. Rd7 Rxa2 36. Rxd5 Kg7 37. Rd6 a5 38. Rda6 a4 39. Rxa4 Rxa4 40. Rxa4 Kf6 41. Kg2 Rb8 42. Ra2 Rb5 43. f4 Kf5 44. Kf3 Rb3 45. Ra6 h5 46. h3 1-0

[Event "Schleswig Holstein-ch U17 VR2"]
[Site "Neumuenster"]
[Date "1998.??.??"]
[Round "4"]
[White "Ibs, Malte"]
[Black "Marquardt, Alexander"]
[Result "0-1"]
[ECO "A29"]
[PlyCount "60"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Be7 5. Bg2 d6 6. d3 Bg4 7. 0-0 Qd7 8. Be3 h5 9. d4 exd4 10. Nxd4 h4 11. Nxc6 hxg3 12. fxg3 Bh3 13. Ne5 Qe6 14. Bd5 Qxe5 15. Qd4 Bxf1 16. Qxe5 dxe5 17. Kxf1 c6 18. Bf3 Rxh2 19. Kg1 Rh8 20. Rd1 Bb4 21. Na4 Rd8 22. Rxd8+ Kxd8 23. Bxa7 Kd7 24. Be3 Ke6 25. Nc5+ Bxc5 26. Bxc5 Rd8 27. Bb4 Rd1+ 28. Kf2 e4 29. Bg4+ Nxg4+ 30. Kg2 f5 0-1

[Event "JBLN West 9798"]
[Site "Germany"]
[Date "1998.??.??"]
[Round "?"]
[White "List, Jonathan"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "A08"]
[PlyCount "59"]
[EventDate "1997.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Bd6 6. Bg2 Nf6 7. 0-0 0-0 8. Re1 dxe4 9. dxe4 Ne5 10. Nxe5 Bxe5 11. f4 Bd4+ 12. Kh1 h5 13. Bf3 e5 14. f5 h4 15. Qe2 c4 16. c3 Bb6 17. Nxc4 Nd7 18. Bg2 hxg3 19. hxg3 Qf6 20. Nxb6 Nxb6 21. Bh3 Bd7 22. Kg2 Bc6 23. Rh1 Rad8 24. Bg4 Rd7 25. Bf3 Na4 26. g4 g6 27. g5 Qd8 28. f6 Nc5 29. Qe1 Bxe4 30. Bxe4 1-0

[Event "Schleswig Holstein-ch U17 VR2"]
[Site "Neumuenster"]
[Date "1998.??.??"]
[Round "1"]
[White "Marquardt, Alexander"]
[Black "Dennhardt, York"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "21"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 e6 5. g4 Be4 6. f3 Be7 7. fxe4 Bxh4+ 8. Ke2 dxe4 9. Nc3 Be7 10. Nxe4 f6 11. Nf3 1-0

[Event "Schleswig Holstein-ch U17 VR2"]
[Site "Neumuenster"]
[Date "1998.??.??"]
[Round "3"]
[White "Marquardt, Alexander"]
[Black "Foschepoth, Simon"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "33"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. Qb3 Nh6 7. d4 exd4 8. 0-0 d6 9. cxd4 Qf6 10. e5 dxe5 11. d5 Nd4 12. Nxd4 exd4 13. Qb5+ c6 14. Qxa5 d3 15. Re1+ Kd7 16. dxc6+ Qxc6 17. Bb5 1-0

[Event "Schleswig Holstein-ch U17 VR2"]
[Site "Neumuenster"]
[Date "1998.??.??"]
[Round "7"]
[White "Marquardt, Alexander"]
[Black "Obermoeller, Lars"]
[Result "1-0"]
[ECO "C51"]
[PlyCount "57"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 d5 7. exd5 Na5 8. dxc5 Nxc4 9. Qa4+ Qd7 10. Qxc4 Nf6 11. 0-0 0-0 12. Ba3 Re8 13. d6 cxd6 14. cxd6 Qf5 15. Nbd2 b6 16. Rfe1 e4 17. Nd4 Qg6 18. Re3 Nh5 19. Qc6 f5 20. Qxa8 f4 21. Rxe4 f3 22. Rxe8+ Qxe8 23. N2xf3 Nf6 24. Qc6 Bd7 25. Qc4+ Kh8 26. Re1 Qg6 27. Ne5 Qh5 28. Nxd7 Ng4 29. Qc8+ 1-0

[Event "Schleswig Holstein-ch U17 VR2"]
[Site "Neumuenster"]
[Date "1998.??.??"]
[Round "9"]
[White "Marquardt, Alexander"]
[Black "Rathje, Christian"]
[Result "1-0"]
[ECO "C58"]
[PlyCount "86"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 h6 9. Ne4 Bf5 10. Qf3 Bxe4 11. Bxe4 Nxe4 12. Qxe4 Qc7 13. 0-0 Bd6 14. Nc3 0-0 15. d3 Nb7 16. Re1 Nc5 17. Qg4 Kh8 18. Re3 e4 19. Rh3 f5 20. Qh5 Rf6 21. Bg5 Qf7 22. Bxf6 Qxf6 23. dxe4 Nxe4 24. Nxe4 fxe4 25. Qe2 Qxb2 26. Rd1 Rd8 27. Kf1 Bc7 28. Rxd8+ Bxd8 29. Qxe4 Qb1+ 30. Qe1 Qb5+ 31. Rd3 Bc7 32. g3 c5 33. Kg1 c4 34. Re3 Qf5 35. Re8+ Kh7 36. Qe4 Qxe4 37. Rxe4 c3 38. Rc4 Ba5 39. Kf1 Kg6 40. Ke2 Kf6 41. Kd3 Ke6 42. f4 g6 43. Rc6+ Kf5 1-0

[Event "JBLN West 9798"]
[Site "Germany"]
[Date "1998.??.??"]
[Round "?"]
[White "Sebastian, Dirk"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "C08"]
[WhiteElo "2190"]
[PlyCount "136"]
[EventDate "1997.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Be2 Nc6 7. 0-0 cxd4 8. Nb3 Be7 9. Nbxd4 0-0 10. c3 Re8 11. h3 Ne4 12. Be3 a6 13. Re1 Bd6 14. Bd3 Bd7 15. c4 dxc4 16. Bxc4 Qf6 17. Bd5 Rac8 18. Rc1 Bb8 19. Nxc6 Bxc6 20. Bxc6 Rxc6 21. Qd7 Qe7 22. Qxe7 Rxe7 23. Rxc6 bxc6 24. Bc5 Re6 25. Nd4 Nxc5 26. Nxe6 Nxe6 27. Rc1 c5 28. Rc3 Be5 29. Rb3 Kf8 30. Rb7 g6 31. b3 a5 32. Kf1 Bc3 33. Ke2 Kg7 34. g3 Kf6 35. Kd3 Bb4 36. h4 h6 37. Kc4 Be1 38. Ra7 g5 39. hxg5+ hxg5 40. Kd3 Bxf2 41. Rxa5 Bxg3 42. Ra7 Nd4 43. Rb7 Bf4 44. b4 Ne6 45. a4 cxb4 46. Rxb4 Bd6 47. Rc4 Ke7 48. a5 Kd7 49. Ke4 g4 50. Kf5 g3 51. a6 g2 52. Rg4 Bc5 53. Rxg2 Nc7 54. Ra2 Nxa6 55. Rxa6 Bd4 56. Ra4 Bc3 57. Re4 f6 58. Re6 Be5 59. Ra6 Ke7 60. Rb6 Kd7 61. Ke4 Ke7 62. Rc6 Kf7 63. Ra6 Kg6 64. Ra7 Bc3 65. Rc7 Be5 66. Rc2 Kf7 67. Kd5 Kg6 68. Ke6 Kg7 1/2-1/2

[Event "Schleswig Holstein-ch U17 VR2"]
[Site "Neumuenster"]
[Date "1998.??.??"]
[Round "2"]
[White "Tabibzada, Arash"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "C10"]
[PlyCount "71"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd8 7. Nb3 Nc6 8. 0-0 Nf6 9. Bg5 Be7 10. Nbxd4 Nxd4 11. Qxd4 0-0 12. Qxd8 Rxd8 13. Rfd1 Bd7 14. Ne5 Be8 15. Ng4 Nxg4 16. Bxe7 Rxd1+ 17. Rxd1 Ne5 18. Bf1 Rc8 19. Rd8 Rxd8 20. Bxd8 Kf8 21. Bc7 Nc6 22. Bd6+ Kg8 23. Bb5 f6 24. c4 Kf7 25. Bxc6 Bxc6 26. f4 Be4 27. b4 g5 28. fxg5 fxg5 29. Bc5 Bd3 30. Bxa7 Bxc4 31. a4 Kf6 32. Kf2 Kf5 33. Be3 h5 34. Bd2 h4 35. g3 e5 36. Ke3 1/2-1/2

[Event "Schleswig Holstein-ch U17 VR2"]
[Site "Neumuenster"]
[Date "1997.??.??"]
[Round "7"]
[White "Franck, Mirko"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "31"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. b4 b5 2. a4 c6 3. Na3 e6 4. c3 a5 5. Qb3 axb4 6. cxb4 Rxa4 7. Nc2 Rxa1 8. Nxa1 f5 9. Nc2 Nf6 10. Nf3 Be7 11. e3 0-0 12. Be2 Bb7 13. 0-0 Qb6 14. d4 Qc7 15. Bb2 Kh8 16. Ra1 1/2-1/2

[Event "JBLN West 9798"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Freudenberg, Jan"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "C18"]
[PlyCount "77"]
[EventDate "1997.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 Ne7 6. e5 c5 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 dxc3 11. f4 Bd7 12. Qd3 Na6 13. Be3 Nf5 14. Bf2 Qa5 15. Qxc3 Qxc3+ 16. Nxc3 Rc8 17. Kd2 Nc5 18. Bxc5 Rxc5 19. g3 Ke7 20. Bd3 Rgc8 21. Ne2 a6 22. Rab1 Bb5 23. Rb2 Kf8 24. Bxb5 axb5 25. c3 d4 26. cxd4 Rc4 27. Kd3 Ra4 28. Ra1 Rcc4 29. Rxb5 Nxd4 30. Nxd4 Rxd4+ 31. Ke3 Rdc4 32. Kf3 Rc2 33. Rxb7 Rxh2 34. Rb4 Rxb4 35. axb4 Rb2 36. Ra4 Kg7 37. Ke4 Kg6 38. g4 Rb1 39. Kd3 1-0

[Event "Schleswig Holstein-ch U17 VR2"]
[Site "Neumuenster"]
[Date "1997.??.??"]
[Round "1"]
[White "Jochens, Arne"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "C07"]
[PlyCount "87"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ndf3 Nc6 6. Be3 Nf6 7. c4 Qh5 8. Be2 cxd4 9. Nxd4 Bb4+ 10. Bd2 Qc5 11. Nxc6 Ne4 12. Nh3 Bxd2+ 13. Kf1 Qxc6 14. f3 Ba5 15. fxe4 Qxe4 16. Nf2 Qf4 17. g3 Qf6 18. Qc2 Bd7 19. Bd3 Bc6 20. Be4 Bxe4 21. Qxe4 Bb6 22. Qc2 0-0 23. Kg2 Rfd8 24. Rhf1 Rac8 25. b3 Qh6 26. Rad1 Qg5 27. Nh3 Qc5 28. Qe4 Qc6 29. Qxc6 bxc6 30. Kf3 c5 31. Nf2 Kf8 32. Ne4 Ke7 33. g4 a5 34. Nc3 Rd4 35. Nb5 Rdd8 36. Ke4 Ra8 37. Nc3 Rd4+ 38. Rxd4 cxd4 39. Nb5 Rd8 40. Rd1 f6 41. Nxd4 Bxd4 42. Rxd4 Rxd4+ 43. Kxd4 Kd6 44. c5+ 1/2-1/2

[Event "Schleswig Holstein-ch U17 VR2"]
[Site "Neumuenster"]
[Date "1997.??.??"]
[Round "6"]
[White "Marquardt, Alexander"]
[Black "Baade, M."]
[Result "1-0"]
[ECO "C57"]
[PlyCount "63"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Qe7 5. Bxf7+ Kd8 6. Bb3 d6 7. Nf7+ Ke8 8. Nxh8 Be6 9. Nc3 Bxb3 10. axb3 g6 11. d3 Bg7 12. Nxg6 hxg6 13. Bg5 Nb4 14. Ra4 c5 15. 0-0 Qd7 16. Bxf6 Bxf6 17. Nd5 Nxd5 18. exd5 b5 19. Rg4 Qh7 20. Qf3 Qf7 21. Qe4 g5 22. b4 Rc8 23. Qf5 Rc7 24. bxc5 Rxc5 25. d4 Rxd5 26. Re1 Kd8 27. dxe5 dxe5 28. Rxg5 Qe7 29. Rg8+ Kc7 30. Qc8+ Kb6 31. Ra1 b4 32. Ra6+ 1-0

[Event "Schleswig Holstein-ch U17 VR2"]
[Site "Neumuenster"]
[Date "1997.??.??"]
[Round "4"]
[White "Marquardt, Alexander"]
[Black "Bornschein, Constantin"]
[Result "1/2-1/2"]
[ECO "B08"]
[PlyCount "78"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 Bg4 6. h3 Bxf3 7. gxf3 Nc6 8. Be3 a6 9. a3 b5 10. Ba2 Qd7 11. Qd2 Rc8 12. h4 Nh5 13. Ne2 Nd8 14. c3 Nb7 15. b4 e6 16. Rc1 Qe7 17. Bg5 Bf6 18. Ng3 Bxg5 19. hxg5 Nxg3 20. fxg3 c5 21. Kf2 c4 22. Rh2 f6 23. gxf6 Qxf6 24. Rch1 Rc7 25. Qe3 Nd8 26. Rh4 Rb7 27. Rf4 Qg7 28. Bb1 Rf8 29. Bc2 e5 30. Rxf8+ Kxf8 31. dxe5 dxe5 32. Rd1 Rd7 33. Qc5+ Kg8 34. Qc8 Rxd1 35. Bxd1 Qa7+ 36. Ke2 Qb6 37. Bc2 Kf7 38. Qd7+ Kg8 39. Qd5+ Nf7 1/2-1/2

[Event "Schleswig Holstein-ch U17 VR2"]
[Site "Neumuenster"]
[Date "1997.??.??"]
[Round "2"]
[White "Marquardt, Alexander"]
[Black "Hansen, Timo"]
[Result "1-0"]
[ECO "C27"]
[PlyCount "25"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d6 3. Bc4 e5 4. d3 g6 5. Bg5 Bg7 6. Qd2 c6 7. f4 Nbd7 8. Nf3 b5 9. Bb3 Qb6 10. fxe5 Nxe5 11. Nxe5 dxe5 12. Rf1 c5 13. Bxf6 1-0

[Event "JBLN West 9798"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Marquardt, Alexander"]
[Black "Lindinger, Markus"]
[Result "0-1"]
[ECO "B02"]
[BlackElo "2145"]
[PlyCount "70"]
[EventDate "1997.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. Nf3 Nc6 6. Be2 e5 7. d3 Bg4 8. Be3 Be7 9. 0-0 0-0 10. h3 Bf5 11. Nh2 Rad8 12. Bg4 Bg6 13. Bf3 Qe6 14. Bh5 e4 15. Bxg6 hxg6 16. d4 Nxd4 17. Bxd4 c5 18. Qg4 f5 19. Qe2 cxd4 20. Rfe1 Bb4 21. Red1 Bc5 22. Nf1 Bb6 23. a4 a6 24. b4 Rc8 25. a5 Ba7 26. b5 axb5 27. Qxb5 Rxc2 28. Qxb7 Rf7 29. Qb4 Re7 30. a6 e3 31. fxe3 dxe3 32. Rd8+ Kf7 33. Nxe3 Qxe3+ 34. Kh1 Qg3 35. Rd2 Re1+ 0-1

[Event "Schleswig Holstein-ch U17 VR2"]
[Site "Neumuenster"]
[Date "1997.??.??"]
[Round "8"]
[White "Marquardt, Alexander"]
[Black "Ramm, Oliver"]
[Result "1/2-1/2"]
[ECO "B80"]
[PlyCount "35"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Be3 e6 7. f3 Be7 8. Bd3 Qc7 9. 0-0 0-0 10. Qd2 b5 11. g4 Bb7 12. Rf2 Nc6 13. Nxc6 Bxc6 14. h4 d5 15. exd5 Nxd5 16. Nxd5 Bxd5 17. Raf1 Rad8 18. Qe2 1/2-1/2

[Event "JBLN West 9798"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Marquardt, Alexander"]
[Black "Schmelzle, Oleg"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "118"]
[EventDate "1997.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c3 d6 4. Be3 Nf6 5. Bd3 0-0 6. Nf3 Ng4 7. Bd2 c5 8. h3 Nf6 9. d5 Nbd7 10. 0-0 Qc7 11. Na3 a6 12. Qc1 b5 13. Bh6 c4 14. Bxg7 Kxg7 15. Bb1 Nc5 16. Re1 e6 17. dxe6 Bxe6 18. Nd4 Rfe8 19. Bc2 d5 20. Nxe6+ Rxe6 21. exd5 Rxe1+ 22. Qxe1 Nxd5 23. Rd1 Nf6 24. Nb1 Re8 25. Qd2 Qe5 26. b3 Qe2 27. Na3 cxb3 28. axb3 Qxd2 29. Rxd2 Re1+ 30. Kh2 Ra1 31. Nb1 Nxb3 32. Rd1 Nc5 33. f3 Ra2 34. Rd2 Rb2 35. Kg3 Nb3 36. Re2 Na1 37. Bd3 Nh5+ 38. Kf2 Rxe2+ 39. Bxe2 Nb3 40. Bf1 Kf6 41. g4 Nf4 42. Ke3 Ke5 43. Kf2 g5 44. Ke3 Nc5 45. Na3 Nd5+ 46. Kd2 Kf4 47. c4 Ne3 48. Be2 Nxc4+ 49. Nxc4 bxc4 50. Bxc4 Kxf3 51. Bxf7 Kg3 52. Kc3 Kxh3 53. Kd4 Kxg4 54. Kxc5 h5 55. Kd4 h4 56. Ke3 Kg3 57. Ke2 h3 58. Kf1 h2 59. Bd5 a5 0-1

[Event "Schleswig Holstein-ch U17 VR2"]
[Site "Neumuenster"]
[Date "1997.??.??"]
[Round "9"]
[White "Nonkovic, Stevan"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "11"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. c3 c6 6. Ne2 1/2-1/2

[Event "Schleswig Holstein-ch U17 VR2"]
[Site "Neumuenster"]
[Date "1997.??.??"]
[Round "3"]
[White "Scepanik, Kolja"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "57"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e3 e6 2. b3 d5 3. Bb2 Nf6 4. c4 Nc6 5. Nf3 Be7 6. Be2 b6 7. Nc3 Bb7 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. Rc1 Bf6 11. Qc2 Bxb2 12. Qxb2 0-0 13. 0-0 Rac8 14. Rc4 Ne7 15. Rd4 Qh5 16. Rc1 Nd5 17. Bd3 Nf6 18. Rh4 Qa5 19. b4 Qd5 20. Qb1 h6 21. e4 Qd8 22. Rc4 Qe7 23. e5 Bxf3 24. exf6 Qxf6 25. Rhf4 Qg5 26. Rxf3 Qxd2 27. Qc1 Qxa2 28. Rg4 Kh8 29. Rh3 1-0

[Event "JBLN West 9798"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Scheerer, Christoph"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "65"]
[EventDate "1997.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Bd7 5. Bc4 Nc6 6. c3 Ne5 7. Bb3 c5 8. Nf3 Bb5 9. Nxe5 dxe5 10. Bxf7+ Kxf7 11. Qb3+ Kg6 12. Qxb5 Nf6 13. 0-0 Be7 14. Nd2 a6 15. Qxb7 h5 16. Nf3 Qd6 17. Nh4+ Kf7 18. Nf5 Qe6 19. Qxe7+ Qxe7 20. Nxe7 Kxe7 21. Bg5 Ke6 22. Bxf6 gxf6 23. Rfd1 Rhd8 24. Kf1 f5 25. exf5+ Kxf5 26. Ke2 Ke4 27. f3+ Kf4 28. Rxd8 Rxd8 29. Rd1 Rb8 30. b3 h4 31. Rd6 a5 32. Rc6 a4 33. b4 1-0

[Event "Schleswig Holstein-ch U17 VR2"]
[Site "Neumuenster"]
[Date "1997.??.??"]
[Round "5"]
[White "Serke, Simon"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "27"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bg4 5. Qd3 Nd7 6. Be2 c6 7. c4 dxc4 8. Qe4+ Be6 9. Bxc4 Ngf6 10. Qe2 Qe7 11. Bxe6 fxe6 12. 0-0 0-0-0 13. Re1 Re8 14. a3 1/2-1/2

[Event "Schleswig Holstein-ch U15"]
[Site "Neumuenster"]
[Date "1996.??.??"]
[Round "5"]
[White "Gall, Raphael"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "86"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bf4 Qb6 7. Qd2 cxd4 8. cxd4 Bb4 9. Nc3 Rc8 10. Rc1 Nge7 11. Bd3 Nxd4 12. Nxd4 Qxd4 13. 0-0 Qb6 14. a3 Bxc3 15. Rxc3 Rxc3 16. Qxc3 Nc6 17. Rd1 0-0 18. Qc2 h6 19. Re1 Rc8 20. Qb1 Qa5 21. Re3 Qd2 22. Rf3 Qa5 23. h4 Nd4 24. Rg3 Bb5 25. Bxh6 Bxd3 26. Rxg7+ Kh8 27. Qxd3 Nf5 28. Rxf7 Qe1+ 29. Kh2 Qxe5+ 30. Kh3 Qxb2 31. Bd2 Qa1 32. Rf8+ Kg7 33. Rxc8 Qh1+ 34. Kg4 Qxg2+ 35. Kf4 Qh2+ 36. Kf3 Qh3+ 37. Ke2 Qg4+ 38. Ke1 Qxh4 39. Qc3+ Kg6 40. Qf3 b6 41. Rc1 Qh2 42. Qg4+ Kf6 43. Bg5+ Ke5 1-0

[Event "Schleswig Holstein-ch U15"]
[Site "Neumuenster"]
[Date "1996.??.??"]
[Round "1"]
[White "Hartwig, Sebastian"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "A29"]
[PlyCount "59"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Be6 7. 0-0 Bd6 8. a3 0-0 9. b4 f5 10. Qb3 Nce7 11. Ng5 Qd7 12. Nxd5 e4 13. Nxe7+ Qxe7 14. Qxe6+ Qxe6 15. Nxe6 Rf6 16. Nd4 Be5 17. e3 b6 18. Rb1 Rd8 19. Bb2 Bxd4 20. Bxd4 Rfd6 21. Rfd1 R6d7 22. Rbc1 Re7 23. Bh3 Rf8 24. d3 h5 25. dxe4 fxe4 26. Rc6 Kh7 27. Rdc1 Ref7 28. Rxc7 Rxf2 29. Rxg7+ Kh6 30. Rcc7 1-0

[Event "Schleswig Holstein-ch U15"]
[Site "Neumuenster"]
[Date "1996.??.??"]
[Round "8"]
[White "Heimbaecher, Felix"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "C47"]
[PlyCount "52"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. f3 Bxc3+ 7. bxc3 h6 8. Ba3 d6 9. Bb5 Bd7 10. Rb1 0-0 11. 0-0 Nxd4 12. cxd4 Rb8 13. e5 Ne8 14. Re1 a6 15. Bc4 b5 16. Bxf7+ Rxf7 17. e6 Bxe6 18. Rxe6 Nf6 19. Qd3 Qd7 20. Rbe1 Nd5 21. Qb3 Qc6 22. R1e5 Nf6 23. Re7 Rbf8 24. Rxf7 Rxf7 25. Re7 Qd5 26. Re8+ Rf8 1/2-1/2

[Event "Schleswig Holstein-ch U15"]
[Site "Neumuenster"]
[Date "1996.??.??"]
[Round "7"]
[White "Marquardt, Alexander"]
[Black "Buhlmann, Sebastian"]
[Result "1-0"]
[ECO "D50"]
[PlyCount "49"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Bb4 5. Qb3 Nc6 6. e3 b6 7. Nf3 Bb7 8. cxd5 Qxd5 9. Bc4 Qf5 10. 0-0 Bxc3 11. Bxf6 Bxb2 12. Bh4 Bxa1 13. e4 Qxe4 14. Re1 Qxe1+ 15. Nxe1 Bxd4 16. Bb5 Kd7 17. Nf3 a6 18. Bxc6+ Bxc6 19. Nxd4 Bd5 20. Qa4+ b5 21. Qb4 Rhe8 22. Qc5 Bxa2 23. Qc6+ Kc8 24. Qxa8+ Kd7 25. Qc6+ 1-0

[Event "Schleswig Holstein-ch U15"]
[Site "Neumuenster"]
[Date "1996.??.??"]
[Round "9"]
[White "Marquardt, Alexander"]
[Black "Koelln, Rasmus"]
[Result "1/2-1/2"]
[ECO "C54"]
[PlyCount "46"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. Bg5 d6 7. Nbd2 h6 8. Bh4 Qe7 9. 0-0 Be6 10. Bb3 Rad8 11. Ba4 Bd7 12. Bc2 a6 13. Re1 Be6 14. Nb3 Bb6 15. Nbd2 d5 16. exd5 Bxd5 17. c4 Bxf3 18. Nxf3 Qd6 19. Bg3 Rfe8 20. a3 Bd4 21. Rb1 Re7 22. Nh4 Qd7 23. Nf3 Rb8 1/2-1/2

[Event "Schleswig Holstein-ch U15"]
[Site "Neumuenster"]
[Date "1996.??.??"]
[Round "6"]
[White "Scepanik, Kolja"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "C00"]
[PlyCount "56"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. b3 d5 3. exd5 exd5 4. Bb2 Nc6 5. Bb5 Bd7 6. Nf3 Qe7+ 7. Qe2 Qxe2+ 8. Kxe2 f6 9. Nc3 Nge7 10. Rhe1 a6 11. Bxc6 Bxc6 12. Nd4 0-0-0 13. Kf1 Bd7 14. Kg1 Bf5 15. Na4 Bg6 16. Ne6 Re8 17. Nxf8 Rhxf8 18. Ba3 Rf7 19. Re3 d4 20. Re6 Bf5 21. Re2 Bd7 22. Rae1 Bxa4 23. Bxe7 Bb5 24. d3 b6 25. a4 Bc6 26. a5 Kd7 27. Bb4 Rxe2 28. Rxe2 g6 1/2-1/2

[Event "JBL NW 9596"]
[Site "Germany"]
[Date "1995.??.??"]
[Round "2"]
[White "Claas, Marco"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "D20"]
[PlyCount "126"]
[EventDate "1995.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 Bf5 4. Bxc4 Nf6 5. Qb3 e6 6. Qxb7 Be4 7. Qb5+ Bc6 8. Qg5 h6 9. Qg3 Ne4 10. Qh3 Bd6 11. Nf3 Nd7 12. Nbd2 Ng5 13. Nxg5 Qxg5 14. Nf3 Qg6 15. 0-0 Nb6 16. Bb3 Bb5 17. Re1 a5 18. Bd2 a4 19. Bd1 Bd7 20. Ne5 Qf6 21. Nxd7 Nxd7 22. Qf3 Qxf3 23. Bxf3 Rb8 24. Bc3 0-0 25. Rab1 Rb6 26. Bd1 Ra8 27. b3 axb3 28. Rxb3 Rba6 29. Rb2 Nb6 30. Bb3 Nd7 31. a4 c5 32. Ra2 cxd4 33. Bxd4 Be5 34. Bxe5 Nxe5 35. Rd2 Rb8 36. Bc2 Ra5 37. Red1 g6 38. Rd8+ Rxd8 39. Rxd8+ Kg7 40. Rd1 Nc4 41. Rd4 Rc5 42. Bb3 Na5 43. Bd1 Rc1 44. g3 Nb3 45. Rd6 Nc5 46. Kg2 Ne4 47. Rd4 Nc5 48. Be2 Nb3 49. Rb4 Nc5 50. Bb5 Rc2 51. Kf3 Kf6 52. Rb1 Ra2 53. Rb4 Rc2 54. Rd4 Nb3 55. Rb4 Nc5 56. Bc4 h5 57. a5 g5 58. h3 Ke5 59. Bb5 f5 60. Rc4 g4+ 61. hxg4 hxg4+ 62. Kg2 Rxc4 63. Bxc4 Kd6 1-0

[Event "JBL NW 9596"]
[Site "Germany"]
[Date "1995.??.??"]
[Round "9"]
[White "Lange, Soenje"]
[Black "Marquardt, Alexander"]
[Result "1/2-1/2"]
[ECO "D10"]
[PlyCount "72"]
[EventDate "1995.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nc6 5. Nc3 Bf5 6. a3 Nf6 7. Bf4 e6 8. Qb3 Qd7 9. e3 Ne4 10. Bb5 Nxc3 11. Ne5 Qc8 12. Qxc3 a6 13. Bxc6+ bxc6 14. Nxc6 f6 15. 0-0 g5 16. Bg3 h5 17. h3 Rg8 18. Rfc1 h4 19. Bh2 g4 20. hxg4 Bxg4 21. Qa5 Qb7 22. Qc7 Qxc7 23. Bxc7 Bf3 24. Bg3 hxg3 25. gxf3 gxf2+ 26. Kxf2 Kd7 27. Na5 Bd6 28. Rc2 Rh8 29. Rg1 Rh2+ 30. Rg2 Rah8 31. Ke1 R2h7 32. Nb7 Rb8 33. Nxd6 Kxd6 34. Kd2 Rhb7 35. b4 Rf8 36. Kd3 e5 1/2-1/2

[Event "JBL NW 9596"]
[Site "Germany"]
[Date "1995.??.??"]
[Round "4"]
[White "Marquardt, Alexander"]
[Black "Fontaine, Constantin"]
[Result "1-0"]
[ECO "B80"]
[PlyCount "85"]
[EventDate "1995.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bb5+ Bd7 7. Bg5 Be7 8. 0-0 0-0 9. Qe2 a6 10. Bd3 Nc6 11. Nxc6 Bxc6 12. e5 dxe5 13. Rad1 Qc7 14. Rfe1 Rfe8 15. Qxe5 Qxe5 16. Rxe5 Ng4 17. Bxe7 Nxe5 18. Bh4 Nxd3 19. Rxd3 f6 20. f3 Rad8 21. Re3 Rd2 22. Be1 Rd4 23. a3 e5 24. Re2 e4 25. Bf2 exf3 26. Rxe8+ Bxe8 27. Bxd4 fxg2 28. Kxg2 Bg6 29. Na4 Bxc2 30. Nc5 Kf7 31. Kg3 b5 32. Nxa6 Bd3 33. Kf4 Ke6 34. Nc5+ Kd5 35. Nxd3 Kxd4 36. Nc1 g6 37. Ne2+ Kd5 38. b3 Kc5 39. Ke4 Kd6 40. Kd4 Kc6 41. Nc3 h6 42. Nd5 f5 43. Ne7+ 1-0

[Event "JBL NW 9596"]
[Site "Germany"]
[Date "1995.??.??"]
[Round "8"]
[White "Marquardt, Alexander"]
[Black "Haucke, Alexander"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "72"]
[EventDate "1995.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. e5 Qa5+ 6. c3 Qxe5+ 7. Be2 Nc6 8. Nb5 a6 9. f4 Qb8 10. Nd4 Bc5 11. Qd3 Qa7 12. Nxc6 bxc6 13. Rf1 d5 14. Nd2 a5 15. Qg3 0-0 16. Qf3 Re8 17. g4 e5 18. fxe5 Bxg4 19. Qf4 Bxe2 20. Kxe2 Qc7 21. Nf3 Bd6 22. Kd3 Bxe5 23. Qg5 Ne4 24. Qg2 Qd6 25. Nh4 Rad8 26. Be3 c5 27. Rg1 Qf6 28. Raf1 Qxh4 29. Rf5 g6 30. Qf3 Nd6 31. Qg4 Qxh2 32. Rg2 c4+ 33. Kc2 Qxg2+ 34. Qxg2 Nxf5 35. Bc1 Bf6 36. b3 Re4 0-1

[Event "JBL NW 9596"]
[Site "Germany"]
[Date "1995.??.??"]
[Round "3"]
[White "Marquardt, Alexander"]
[Black "Mumme, Markus"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "106"]
[EventDate "1995.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Nf6 4. Nc3 Qa5 5. d4 c6 6. Bd2 Qc7 7. Bc4 Bf5 8. Ne5 e6 9. Bf4 Bd6 10. h3 Nbd7 11. Qe2 Bxe5 12. dxe5 Nd5 13. Nxd5 cxd5 14. Bb3 0-0 15. 0-0 f6 16. Rfe1 fxe5 17. Bxe5 Nxe5 18. Qxe5 Rac8 19. Rac1 Qxe5 20. Rxe5 Rf6 21. Ba4 Rc4 22. Bb3 Rc5 23. c4 b5 24. g4 Be4 25. g5 Rf3 26. Re1 bxc4 27. R1xe4 dxe4 28. Rxc5 cxb3 29. axb3 Rxb3 30. Rc8+ Kf7 31. Rc7+ Kg6 32. Rxa7 Rxb2 33. Re7 Rb5 34. Rxe6+ Kf5 35. Re7 Kf4 36. Rf7+ Rf5 37. Rxg7 Rxg5+ 38. Rxg5 Kxg5 39. Kh2 Kf4 40. Kg2 h5 41. f3 exf3+ 42. Kf2 h4 43. Kg1 Kg3 44. Kh1 Kxh3 45. Kg1 Kg3 46. Kh1 Kf2 47. Kh2 Ke2 48. Kh1 f2 49. Kh2 Ke1 50. Kh1 f1Q+ 51. Kh2 Qf4+ 52. Kh1 h3 53. Kg1 Qf2+ 0-1

[Event "JBL NW 9596"]
[Site "Germany"]
[Date "1995.??.??"]
[Round "6"]
[White "Marquardt, Alexander"]
[Black "Opitz, Claudio"]
[Result "1/2-1/2"]
[ECO "B40"]
[PlyCount "114"]
[EventDate "1995.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nde2 Nxe4 7. Qd4 Bxc3+ 8. Nxc3 Nf6 9. Qd6 Qe7 10. Nb5 Qxd6 11. Nxd6+ Ke7 12. Nb5 Nc6 13. Be3 b6 14. 0-0-0 Ng4 15. Re1 Nxe3 16. Rxe3 Bb7 17. Bc4 d5 18. Bxd5 a6 19. Nc3 Rac8 20. Rd1 b5 21. Bf3 Rhd8 22. Be4 Rxd1+ 23. Kxd1 Rd8+ 24. Ke2 Nd4+ 25. Ke1 Bxe4 26. Rxe4 Nxc2+ 27. Ke2 Nd4+ 28. Ke3 Nc6 29. Ke2 Rd4 30. Re3 f5 31. Rh3 h6 32. Rg3 Kf6 33. Rd3 Rxd3 34. Kxd3 g5 35. a4 bxa4 36. Nxa4 Ke7 37. Kc4 Kd6 38. Nc5 a5 39. Nb7+ Kc7 40. Nc5 Kd6 41. Nb7+ Ke7 42. Kb5 Ne5 43. Kxa5 Nc4+ 44. Kb4 Nxb2 45. Kc3 Nd1+ 46. Kd4 Nxf2 47. h3 Ne4 48. Ke5 h5 49. Na5 Nc5 50. Nc6+ Kd7 51. Nd4 g4 52. Nxf5 Nd3+ 53. Kf6 exf5 54. Kxf5 Nf2 55. hxg4 hxg4 56. Kf4 Ke6 57. Kg3 Ne4+ 1/2-1/2

[Event "JBL NW 9596"]
[Site "Germany"]
[Date "1995.??.??"]
[Round "1"]
[White "Marquardt, Alexander"]
[Black "Zimmermann, Julian"]
[Result "0-1"]
[ECO "C17"]
[PlyCount "90"]
[EventDate "1995.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 cxd4 6. Nb5 Bc5 7. Qg4 Ne7 8. b4 a6 9. bxc5 axb5 10. Bxb5+ Bd7 11. Bxd7+ Nxd7 12. Bb4 Ng6 13. Nf3 Qc7 14. Qxd4 Ndxe5 15. Nxe5 Qxe5+ 16. Qxe5 Nxe5 17. 0-0 Nc6 18. a3 0-0 19. Rfd1 Ra4 20. Rab1 Rd8 21. Rd3 Ne5 22. Rg3 Nc4 23. Rc3 Rda8 24. h3 h6 25. Ra1 Rxb4 26. Rb3 Rxb3 27. cxb3 Rxa3 28. Rxa3 Nxa3 29. Kf1 Nb5 30. b4 Kf8 31. Ke1 Ke7 32. Kd2 e5 33. Kc2 Kd7 34. Kb3 Kc6 35. f3 f5 36. h4 e4 37. Kc2 d4 38. Kb3 d3 39. fxe4 fxe4 40. g4 e3 41. g5 e2 42. gxh6 gxh6 43. h5 e1Q 44. Kb2 Qd1 45. Ka2 Qc1 0-1

[Event "JBL NW 9596"]
[Site "Germany"]
[Date "1995.??.??"]
[Round "6"]
[White "Nguyen, Hoang"]
[Black "Marquardt, Alexander"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "85"]
[EventDate "1995.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. exd5 exd5 4. Nf3 Nf6 5. d4 Bg4 6. Be2 Nc6 7. h3 Bh5 8. Bb5 a6 9. Bxc6+ bxc6 10. Qd3 Bg6 11. Qe2+ Be7 12. Ne5 Ne4 13. Nxe4 Bxe4 14. f3 Bf5 15. Nxc6 Qd6 16. Qxe7+ Qxe7+ 17. Nxe7 Kxe7 18. Bf4 Rhe8 19. 0-0-0 Kd7 20. Rhe1 f6 21. g4 Bg6 22. Re3 Rac8 23. Rxe8 Rxe8 24. Kd2 Rb8 25. b3 Re8 26. Rg1 Re6 27. h4 Kc6 28. c4 dxc4 29. Rc1 Kd5 30. Rxc4 Bb1 31. Rc5+ Kxd4 32. Be3+ Rxe3 33. Rc4+ Kd5 34. Kxe3 Bxa2 35. Rxc7 Bxb3 36. Rxg7 Bc2 37. Ra7 f5 38. g5 Ke5 39. f4+ Ke6 40. Rxa6+ Kf7 41. Kd4 Kg7 42. Ke5 Kf7 43. Ra7+ 1-0

