[Event "Bodensee Seniors op"]
[Site "Bregenz"]
[Date "2023.05.13"]
[Round "1"]
[White "Pfitzer, Norbert"]
[Black "Zierott, Jan"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2036"]
[BlackElo "1744"]
[PlyCount "86"]
[EventDate "2023.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "AUT"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 c5 6. 0-0 cxd4 7. Qa4+ Bd7 8. Qxc4 Nc6 9. Nxd4 Rc8 10. Nc3 Be7 11. Rd1 Na5 12. Qd3 0-0 13. b3 a6 14. Bb2 Nc6 15. Nf3 Nb4 16. Qb1 Qc7 17. e4 Rfd8 18. a3 Nc6 19. Qc2 Ng4 20. Rac1 Bc5 21. Rf1 Nd4 22. Nxd4 Bxd4 23. h3 Nxf2 24. Rxf2 Qxg3 25. Qd2 e5 26. Kf1 Be3 27. Qe1 Bxc1 28. Qxc1 Bxh3 29. Qe1 Rd3 30. Nd5 Bxg2+ 31. Rxg2 Qf3+ 32. Rf2 Qh1+ 33. Ke2 Rc2+ 34. Kxd3 Qxe1 35. Rxc2 Qd1+ 36. Rd2 Qxb3+ 37. Nc3 b5 38. Ke2 Qc4+ 39. Ke3 Kf8 40. Rd8+ Ke7 41. Rd3 Ke6 42. Nd5 Qc5+ 43. Kf3 Qc2 0-1

[Event "Helsingor Xtracon op"]
[Site "Helsingor"]
[Date "2019.07.28"]
[Round "10"]
[White "Bering, Anders"]
[Black "Zierott, Jan"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1999"]
[BlackElo "1783"]
[PlyCount "112"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "DEN"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Qf3 Bg6 8. Bxf6 Qxf6 9. Qxf6 gxf6 10. h4 h5 11. Nge2 Bd6 12. f4 Ke7 13. Ng3 f5 14. Bd3 Kf6 15. Kf2 Nd7 16. Rhc1 Rae8 17. Nf1 Kg7 18. b4 Bxb4 19. Rab1 a5 20. Rc2 Rb8 21. Rb3 Nf6 22. a3 Bxc3 23. Rcxc3 Ne4+ 24. Bxe4 fxe4 25. Rb6 Rbc8 26. Rc5 a4 27. Ng3 f5 28. Ra5 Kf6 29. Ne2 Ke6 30. Nc3 Ra8 31. Rxa8 Rxa8 32. Rxb7 Be8 33. Rb4 Kd6 34. Rxa4 Rb8 35. Rb4 Rxb4 36. axb4 Kc7 37. Ke1 Kb6 38. Kd2 Bd7 39. Kc2 Bc8 40. Kb2 Ba6 41. Kb3 Bc4+ 42. Ka4 Bd3 43. Ka3 Bb5 44. Nb1 Bd3 45. Nd2 Bc2 46. Kb2 Bd1 47. Kc3 Kb5 48. Nb1 Be2 49. Na3+ Kb6 50. Kd2 Bf1 51. g4 fxg4 52. Ke1 Bd3 53. Kf2 Kc7 54. Kg3 Kd6 55. Kg2 Ke6 56. Kf2 Kf6 1/2-1/2

[Event "Helsingor Xtracon op"]
[Site "Helsingor"]
[Date "2019.07.27"]
[Round "9"]
[White "Zierott, Jan"]
[Black "Rolvag, Birk Anders"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1783"]
[BlackElo "1956"]
[PlyCount "65"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "DEN"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Be7 5. h3 0-0 6. Bd3 c5 7. c3 Nc6 8. 0-0 h6 9. Nbd2 Re8 10. Ne5 Nxe5 11. dxe5 Nh7 12. Qh5 f5 13. exf6 Bxf6 14. Bxh6 Nf8 15. Bf4 e5 16. Bg3 e4 17. Bc2 g6 18. Qe2 Be6 19. f3 exf3 20. Nxf3 d4 21. cxd4 cxd4 22. Rad1 Qb6 23. Nxd4 Bxd4 24. Rxd4 Bxa2 25. Qg4 Be6 26. Qg5 Bf7 27. Qf4 Re7 28. Bh4 Ne6 29. Qe5 Nxd4 30. Qxe7 Nf5 31. Bxf5 Re8 32. Qg5 Re5 33. Qg4 1-0

[Event "Helsingor Xtracon op"]
[Site "Helsingor"]
[Date "2019.07.26"]
[Round "8"]
[White "Warston, Hakan"]
[Black "Zierott, Jan"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1656"]
[BlackElo "1783"]
[PlyCount "76"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "DEN"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be6 7. e3 Nbd7 8. Bd3 Bd6 9. Nge2 h6 10. Bf4 Nb6 11. 0-0 0-0 12. Rac1 Nh5 13. Bxd6 Qxd6 14. f3 f5 15. e4 fxe4 16. fxe4 dxe4 17. Nxe4 Qe7 18. N4c3 Nd5 19. Nxd5 Bxd5 20. Nc3 Qe3+ 21. Kh1 Bxg2+ 22. Kxg2 Nf4+ 23. Rxf4 Rxf4 24. Bc4+ Kh8 25. Rf1 Rxd4 26. Ne2 Rd2 27. Qf5 Rxe2+ 28. Bxe2 Qxe2+ 29. Rf2 Qe7 30. Qg4 Re8 31. Rd2 Qe4+ 32. Qf3 Qxf3+ 33. Kxf3 Re7 34. h4 g6 35. Rd4 Kg7 36. Rf4 Rf7 37. Rxf7+ Kxf7 38. Kg4 Kf6 0-1

[Event "Helsingor Xtracon op"]
[Site "Helsingor"]
[Date "2019.07.25"]
[Round "7"]
[White "Poulsen, Klaus E"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2095"]
[BlackElo "1783"]
[PlyCount "43"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "DEN"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. Bf4 a6 8. c5 Nc6 9. Be2 Bd7 10. 0-0 b6 11. Na4 bxc5 12. Nxc5 Qb6 13. Nxd7 Nxd7 14. Qa4 0-0 15. Rfc1 Rfc8 16. Rc2 Qb4 17. Qxb4 Nxb4 18. Rxc8+ Rxc8 19. a3 Rc2 20. Bd1 Rxb2 21. axb4 Bxb4 22. Bc1 1-0

[Event "Helsingor Xtracon op"]
[Site "Helsingor"]
[Date "2019.07.24"]
[Round "6"]
[White "Zierott, Jan"]
[Black "Sidali, Elias Hulleberg"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1783"]
[BlackElo "2041"]
[PlyCount "68"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "DEN"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Nd2 e6 4. Ngf3 c5 5. c3 Be7 6. Qc2 Nc6 7. e3 Qb6 8. dxc5 Qxc5 9. Bd3 h6 10. Bh4 e5 11. Nb3 Qb6 12. Bf5 e4 13. Nfd4 g6 14. Bxc8 Rxc8 15. 0-0 a5 16. a4 Nb4 17. Qe2 Nd3 18. Nb5 g5 19. Bg3 h5 20. h3 h4 21. Bh2 g4 22. hxg4 h3 23. Rfd1 hxg2 24. Rxd3 exd3 25. Qxd3 Nxg4 26. Qf5 Qe6 27. Qxe6 fxe6 28. Nd6+ Bxd6 29. Bxd6 Rh1+ 30. Kxg2 Rxa1 31. Nxa1 Rc4 32. Nc2 Rxa4 33. Kg3 Nf6 34. Nd4 Ne4+ 0-1

[Event "Helsingor Xtracon op"]
[Site "Helsingor"]
[Date "2019.07.23"]
[Round "5"]
[White "Zierott, Jan"]
[Black "Gupta, Nikhil"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1783"]
[BlackElo "1528"]
[PlyCount "143"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "DEN"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. g3 Bg7 5. Bg2 0-0 6. c4 d6 7. e3 Nc6 8. Nc3 Re8 9. Nge2 f5 10. 0-0 Bd7 11. Rc1 Rb8 12. Nd5 Ne7 13. Nxe7+ Qxe7 14. c5 dxc5 15. Rxc5 c6 16. Rc2 Rbd8 17. Nf4 Bc8 18. Nd3 h5 19. h4 Bf6 20. Rc3 Qd6 21. Qa4 a6 22. Qb3 Re7 23. Nf4 Kg7 24. Qb6 Be6 25. Nxe6+ fxe6 26. Rfc1 e5 27. Rxc6 bxc6 28. Rxc6 Qb8 29. Rxf6 Qxb6 30. Rxb6 exd4 31. exd4 Re1+ 32. Bf1 Rxd4 33. Kg2 a5 34. b3 Ra1 35. a4 Ra2 36. Bc4 Rdd2 37. Kf3 Rxf2+ 38. Ke3 Rfc2 39. Rb7+ Kf6 40. Rf7+ Ke5 41. Re7+ Kd6 42. Re6+ Kc5 43. Rxg6 Rc3+ 44. Kf4 Rf2+ 45. Ke5 Re3+ 46. Kf6 Re4 47. Rg5 Rg4 48. Rxh5 Kb4 49. Rxf5 Rh2 50. Rb5+ Kc3 51. Rxa5 Rxg3 52. h5 Rg4 53. Rg5 Rf4+ 54. Kg6 Rd2 55. h6 Rd6+ 56. Kh7 Rff6 57. Rg3+ Kb4 58. Rh3 Rd7+ 59. Kh8 Rf8+ 60. Bg8 Rb7 61. h7 Kc5 62. Rd3 Kb4 63. Rd5 Ra7 64. Rb5+ Kc3 65. a5 Rd8 66. b4 Rc8 67. Rb6 Kd4 68. a6 Ke5 69. b5 Rcc7 70. Re6+ Kf5 71. b6 Rxh7+ 72. Bxh7+ 1-0

[Event "Helsingor Xtracon op"]
[Site "Helsingor"]
[Date "2019.07.22"]
[Round "4"]
[White "Zheng, Harry Z"]
[Black "Zierott, Jan"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1597"]
[BlackElo "1783"]
[PlyCount "86"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "DEN"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 e6 7. Bg5 Be7 8. Nf3 Nd7 9. Nbd2 Nh6 10. Nf1 Qb6 11. Rb1 Bxg5 12. Nxg5 c5 13. dxc5 Qa5+ 14. b4 Qxa2 15. Nd2 Qa4 16. Ngf3 Ng4 17. 0-0 Ngxe5 18. Nxe5 Nxe5 19. Qc3 f6 20. Ra1 Qd7 21. Rfe1 0-0 22. Qe3 Rfe8 23. Qe2 g6 24. Ra3 a6 25. Rea1 Rac8 26. Rd1 Qc7 27. Rg3 Kh7 28. Nf3 Ng4 29. Nh2 Nxh2 30. Kxh2 Qf4 31. c3 Qxh4+ 32. Kg1 Qf4 33. Re3 Qg4 34. Rxd5 exd5 35. Rxe8 Qxe2 36. Rxe2 Rc7 37. Re6 Kg7 38. Rd6 Kf7 39. Rxd5 Re7 40. Rd6 Re1+ 41. Kh2 Re6 42. Rd7+ Re7 43. Rd6 Re6 1/2-1/2

[Event "Helsingor Xtracon op"]
[Site "Helsingor"]
[Date "2019.07.21"]
[Round "2"]
[White "Hein, Jacob"]
[Black "Zierott, Jan"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1422"]
[BlackElo "1783"]
[PlyCount "70"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "DEN"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bf4 e6 4. Nc3 a6 5. a3 c5 6. e3 Nc6 7. Be2 cxd4 8. Nxd4 Bd6 9. Bxd6 Qxd6 10. f3 e5 11. Nb3 Be6 12. 0-0 0-0 13. Rf2 d4 14. Ne4 Nxe4 15. fxe4 Bxb3 16. cxb3 Rfd8 17. Bc4 Rd7 18. Qh5 Nd8 19. Raf1 g6 20. Qh6 dxe3 21. Qxe3 Ne6 22. Bd5 Nf4 23. Rxf4 exf4 24. Rxf4 Re8 25. Qf3 Qc5+ 26. Kf1 Qc1+ 27. Kf2 Rxd5 28. Rxf7 Qc2+ 29. Kg3 Rd3 30. Qxd3 Qxd3+ 31. Rf3 Qxe4 32. b4 Qe1+ 33. Kh3 Re4 34. g3 Re2 35. Rc3 Qf1+ 0-1

[Event "Helsingor Xtracon op"]
[Site "Helsingor"]
[Date "2019.07.20"]
[Round "1"]
[White "Zierott, Jan"]
[Black "Buchal, Stephan"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1783"]
[BlackElo "2260"]
[PlyCount "158"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "DEN"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d6 2. Bf4 g6 3. Nf3 Bg7 4. Nbd2 Nd7 5. e3 e5 6. Bg3 Qe7 7. dxe5 dxe5 8. c3 Ngf6 9. h3 0-0 10. Be2 b6 11. 0-0 Bb7 12. Qc2 h6 13. Rfd1 Kh7 14. Nc4 Ne4 15. Bh2 f5 16. Ncd2 Nd6 17. Nc4 Nxc4 18. Bxc4 Bxf3 19. gxf3 Rad8 20. Rd2 Nc5 21. Rad1 Qg5+ 22. Kh1 Rxd2 23. Qxd2 Qh5 24. Kg2 Qg5+ 25. Kh1 Qh5 26. Kg2 f4 27. Be2 Ne6 28. Qd7 Qg5+ 29. Kf1 Qf5 30. Kg2 Rd8 31. Qa4 Rxd1 32. Qxd1 Qg5+ 33. Kf1 fxe3 34. fxe3 Qxe3 35. Qd7 Ng5 36. Bg1 Qc1+ 37. Kf2 e4 38. f4 Qxf4+ 39. Ke1 e3 40. Qg4 Qxg4 41. hxg4 Be5 42. Bxe3 Ne4 43. Bf3 Nd6 44. Ke2 Nc4 45. Bc1 Bf6 46. Bd5 Ne5 47. Be6 Bg5 48. Bxg5 hxg5 49. Ke3 Kg7 50. b3 Kf6 51. Bc8 Ke7 52. Ke4 Kd6 53. Kd4 Nc6+ 54. Ke4 Ne7 55. Bb7 c6 56. Ba6 Nd5 57. Kd4 c5+ 58. Kd3 Ke5 59. Bc4 Nf6 60. Bf7 Nxg4 61. Bxg6 Kf4 62. Be8 Ne5+ 63. Ke2 g4 64. a4 a5 65. Bb5 Nf3 66. Bc6 Ne5 67. Bb7 g3 68. Ba8 Ng4 69. Bb7 Ne3 70. Kd3 Nf5 71. Bc6 Nd6 72. Ba8 Nf7 73. Bd5 Ne5+ 74. Ke2 Ng4 75. Kd3 Ne3 76. Bb7 Nd1 77. Kc4 Ke3 78. b4 Nxc3 79. Kxc3 cxb4+ 0-1

[Event "Hamburg HSK Christmas op 4th"]
[Site "Hamburg"]
[Date "2018.12.30"]
[Round "7"]
[White "Rodrigues, Afonso1111"]
[Black "Zierott, Jan"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1493"]
[BlackElo "1792"]
[PlyCount "86"]
[EventDate "2018.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. c3 e6 8. Bd3 Bd6 9. 0-0 Ngf6 10. Re1 Bxd3 11. Qxd3 0-0 12. Ne4 Nxe4 13. Rxe4 Nc5 14. Qe3 Nxe4 15. Qxe4 Qf6 16. Qg4 Qf5 17. Qh4 h6 18. Bd2 e5 19. Re1 Rfe8 20. dxe5 Bxe5 21. Nxe5 Rxe5 22. Rxe5 Qxe5 23. Be3 Qd5 24. Qg4 Rd8 25. Bd4 Qg5 26. Qxg5 hxg5 27. Kf1 b6 28. Ke2 c5 29. Be3 f6 30. a4 Kf7 31. b4 cxb4 32. cxb4 Rd7 33. f4 gxf4 34. Bxf4 Rd4 35. Bd2 Ke6 36. a5 b5 37. Be3 Kd5 38. Bd2 Rxd2+ 39. Kxd2 Kc4 40. Kc2 a6 41. h4 Kxb4 42. g4 Kxa5 43. g5 fxg5 0-1

[Event "Hamburg HSK Christmas op 4th"]
[Site "Hamburg"]
[Date "2018.12.29"]
[Round "5"]
[White "Apitzsch, Leon Fabian"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "1940"]
[BlackElo "1792"]
[PlyCount "71"]
[EventDate "2018.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d4 dxe4 7. Qxe4 Nf6 8. Qd3 Bb4 9. Be2 Nbd7 10. Bd2 Nd5 11. 0-0 Nxc3 12. bxc3 Bd6 13. Rab1 Rb8 14. Be3 Qc7 15. c4 Bf4 16. Bf3 Bxe3 17. fxe3 Nf6 18. e4 0-0 19. e5 Nd7 20. Rb3 Rfd8 21. Qe4 Nb6 22. Be2 Rd7 23. c5 Nd5 24. Rbf3 Rf8 25. Qg4 Qd8 26. h4 Qe7 27. h5 f5 28. exf6 Nxf6 29. Qh4 h6 30. Bc4 b6 31. cxb6 axb6 32. c3 Re8 33. Rxf6 gxf6 34. Rxf6 Rd5 35. Bxd5 cxd5 36. Qg4+ 1-0

[Event "Hamburg HSK Christmas op 4th"]
[Site "Hamburg"]
[Date "2018.12.29"]
[Round "6"]
[White "Zierott, Jan"]
[Black "Leonforte, Aurelius"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "1792"]
[BlackElo "1629"]
[PlyCount "36"]
[EventDate "2018.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. cxd5 exd5 4. Nf3 c5 5. Nc3 Nf6 6. dxc5 Bxc5 7. e3 0-0 8. Be2 Nc6 9. a3 d4 10. Na4 Bb6 11. Nxb6 Qxb6 12. exd4 Rd8 13. 0-0 Bg4 14. b4 Bxf3 15. Bxf3 Nxd4 16. Be3 Nxf3+ 17. Qxf3 Qb5 18. Rfd1 b6 1/2-1/2

[Event "Hamburg HSK Christmas op 4th"]
[Site "Hamburg"]
[Date "2018.12.28"]
[Round "4"]
[White "Hinrichs, Winfried"]
[Black "Zierott, Jan"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1551"]
[BlackElo "1792"]
[PlyCount "56"]
[EventDate "2018.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. Bf4 Bg4 6. Ne2 e6 7. h3 Bh5 8. Nd2 Bd6 9. Be5 Nc6 10. Bb5 0-0 11. Bxc6 bxc6 12. 0-0 c5 13. Bxd6 Qxd6 14. dxc5 Qxc5 15. Nb3 Qb6 16. g4 Bg6 17. Ng3 Rfc8 18. c3 a5 19. Qd4 Qb5 20. Qd2 Rab8 21. g5 Ne4 22. Nxe4 Bxe4 23. Nxa5 Qxa5 24. b4 Qa3 25. Rfc1 Rc4 26. Qf4 Rbc8 27. b5 Rxc3 28. Qe3 Rxc1+ 0-1

[Event "Hamburg HSK Christmas op 4th"]
[Site "Hamburg"]
[Date "2018.12.28"]
[Round "3"]
[White "Zierott, Jan"]
[Black "Schellhorn, Wolfgang"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1792"]
[BlackElo "2138"]
[PlyCount "110"]
[EventDate "2018.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 c5 3. d5 Qb6 4. Bc1 g6 5. e3 Bg7 6. a4 0-0 7. a5 Qc7 8. Nf3 d6 9. Nc3 Nbd7 10. Nb5 Qb8 11. c4 a6 12. Nc3 b6 13. Bd3 bxa5 14. Qa4 Ng4 15. 0-0 Nde5 16. Nxe5 Nxe5 17. Be2 Qb4 18. Qxa5 Rb8 19. Qxb4 Rxb4 20. Ra4 Rb6 21. f4 Ng4 22. Ra3 h5 23. Na4 Rb8 24. h3 Nf6 25. Bd3 e6 26. e4 exd5 27. cxd5 c4 28. Bc2 Re8 29. Nc3 Nd7 30. Na4 Bd4+ 31. Kh2 Nc5 32. Nxc5 Bxc5 33. Ra4 Bd7 34. Rxa6 c3 35. Ra2 Bb5 36. Rh1 Bc4 37. Ra4 Bb5 38. Ra2 Bc4 39. Ra4 Bxd5 40. bxc3 Bc6 41. Ra1 Bxe4 42. Ba4 Re7 43. Ba3 Bxa3 44. Rxa3 Ra7 45. Rb3 Rba8 46. Bb5 Ra2 47. Rg1 Rf2 48. Kg3 Raa2 49. Bf1 d5 50. Rb8+ Kg7 51. Re8 Kf6 52. c4 h4+ 53. Kxh4 Rxf4+ 54. g4 Raf2 55. cxd5 g5+ 0-1

[Event "Hamburg HSK Christmas op 4th"]
[Site "Hamburg"]
[Date "2018.12.27"]
[Round "1"]
[White "Dettmann, Valentina"]
[Black "Zierott, Jan"]
[Result "0-1"]
[ECO "B18"]
[BlackElo "1792"]
[PlyCount "68"]
[EventDate "2018.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Qd3 e6 6. c3 Qh4 7. Be3 Qxe4 8. Qxe4 Bxe4 9. f3 Bg6 10. 0-0-0 Nf6 11. g4 Bd6 12. Be2 Nbd7 13. h4 Nd5 14. Bd2 Nf4 15. h5 Bd3 16. Rh2 Nxe2+ 17. Rxe2 Bxe2 18. Nxe2 0-0-0 19. f4 Nf6 20. Rg1 c5 21. b3 cxd4 22. Nxd4 Ne4 23. Nb5 Nxd2 24. Kxd2 Bxf4+ 25. Kc2 Rd2+ 26. Kb1 a6 27. Nd4 Rd8 28. Rf1 e5 29. Nf3 Rd1+ 30. Rxd1 Rxd1+ 31. Kc2 Rf1 32. Nd2 Rf2 33. Kb2 Rxd2+ 34. Ka3 e4 0-1

[Event "Hamburg HSK Christmas op 4th"]
[Site "Hamburg"]
[Date "2018.12.27"]
[Round "2"]
[White "Zierott, Jan"]
[Black "Magnussen, Helge"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1792"]
[BlackElo "2041"]
[PlyCount "60"]
[EventDate "2018.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nd2 d5 4. e3 h6 5. Bh4 Be7 6. Bd3 b6 7. Ngf3 Bb7 8. 0-0 0-0 9. Qe2 c5 10. c3 Nc6 11. Ba6 Bxa6 12. Qxa6 Qc7 13. Rfe1 Rfd8 14. Rad1 Rab8 15. Qe2 a5 16. Ne5 b5 17. Nxc6 Qxc6 18. dxc5 Qxc5 19. Nb3 Qb6 20. Nd4 b4 21. c4 dxc4 22. Qxc4 Rbc8 23. Qe2 g5 24. Bg3 Ne4 25. Qf3 Nxg3 26. Qxg3 Bf6 27. h4 Qc5 28. hxg5 Qxg5 29. Qxg5+ hxg5 30. Re2 e5 0-1

[Event "Blankenese op 2nd"]
[Site "Hamburg"]
[Date "2018.10.03"]
[Round "7.24"]
[White "Zierott, Jan"]
[Black "Richter, Thomas1111"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1761"]
[BlackElo "1826"]
[PlyCount "53"]
[EventDate "2018.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 d5 3. Bf4 Bf5 4. c3 e6 5. e3 Bd6 6. Bg3 Nge7 7. Bd3 Bg4 8. Nbd2 Bxg3 9. hxg3 Qd6 10. Qc2 Bxf3 11. gxf3 g6 12. 0-0-0 a6 13. e4 b5 14. e5 Qd8 15. Nb3 Qb8 16. g4 a5 17. f4 a4 18. Nc5 a3 19. b4 Qb6 20. f5 exf5 21. gxf5 Nd8 22. Rde1 Nb7 23. f6 Nc8 24. e6 Nxc5 25. dxc5 Qc6 26. Bxg6 hxg6 27. Rxh8# 1-0

[Event "Blankenese op 2nd"]
[Site "Hamburg"]
[Date "2018.10.02"]
[Round "6.29"]
[White "Burgtorf, Benjamin"]
[Black "Zierott, Jan"]
[Result "1/2-1/2"]
[ECO "B11"]
[BlackElo "1761"]
[PlyCount "55"]
[EventDate "2018.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Bf5 6. Nxf6+ gxf6 7. d4 Qb6 8. Nh4 Bg6 9. Nxg6 hxg6 10. c3 Bh6 11. Bxh6 Rxh6 12. 0-0-0 Nd7 13. h4 e6 14. Qe3 Rh8 15. Be2 0-0-0 16. h5 g5 17. h6 Qa5 18. Kb1 Rdg8 19. Bd3 f5 20. g4 f4 21. Qe2 Nf6 22. Rh3 Qd5 23. Rdh1 f3 24. Qxf3 Qxf3 25. Rxf3 Nxg4 26. Rxf7 Rxh6 27. Rxh6 Nxh6 28. Rf6 1/2-1/2

[Event "Blankenese op 2nd"]
[Site "Hamburg"]
[Date "2018.10.01"]
[Round "5.23"]
[White "Zierott, Jan"]
[Black "Woynowski, Manfred"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "1761"]
[BlackElo "1874"]
[PlyCount "98"]
[EventDate "2018.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Nc3 c6 4. e3 Bf5 5. Bxf6 exf6 6. Bd3 Bg6 7. h4 Bd6 8. h5 Bxd3 9. Qxd3 Qe7 10. Nf3 Nd7 11. 0-0-0 0-0-0 12. Kb1 g6 13. e4 dxe4 14. Qxe4 f5 15. Qxe7 Bxe7 16. hxg6 hxg6 17. Ne5 Nxe5 18. dxe5 Rxd1+ 19. Rxd1 Rh2 20. Rg1 Bc5 21. Nd1 Bd4 22. c3 Bxe5 23. Kc2 Kd7 24. Kd3 Ke6 25. Re1 Kf6 26. g3 Rh8 27. Ne3 Bc7 28. Nc4 Rd8+ 29. Kc2 g5 30. Rd1 Rxd1 31. Kxd1 b5 32. Nd2 g4 33. Ke2 Ke6 34. Nb3 Bb6 35. Nd2 f4 36. gxf4 Kf5 37. c4 a6 38. cxb5 axb5 39. Nf1 Kxf4 40. Ng3 f5 41. Nf1 Ke5 42. Nh2 Kf4 43. Nf1 Ke5 44. Nh2 c5 45. Nf1 f4 46. f3 g3 47. Nd2 c4 48. Kf1 Bd4 49. b3 c3 0-1

[Event "Blankenese op 2nd"]
[Site "Hamburg"]
[Date "2018.09.30"]
[Round "4.19"]
[White "Krause, Maximilian"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1951"]
[BlackElo "1761"]
[PlyCount "53"]
[EventDate "2018.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h3 e6 6. Nf3 Nc6 7. 0-0 Be7 8. c3 Qc7 9. Bg5 Bd7 10. Re1 Rc8 11. Nbd2 h6 12. Bh4 0-0 13. Nf1 Nh5 14. Bxe7 Nxe7 15. Ne5 Nf4 16. Bc2 f6 17. Nxd7 Qxd7 18. Qg4 Qd6 19. g3 Nxh3+ 20. Qxh3 e5 21. Ne3 e4 22. Nf5 Nxf5 23. Qxf5 Kf7 24. Bb3 Rfd8 25. Rxe4 g6 26. Qf3 Kg7 27. Re3 1-0

[Event "Blankenese op 2nd"]
[Site "Hamburg"]
[Date "2018.09.30"]
[Round "3.22"]
[White "Zierott, Jan"]
[Black "Topalov, Mihail"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1761"]
[BlackElo "1936"]
[PlyCount "119"]
[EventDate "2018.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. d5 Qb6 7. Bc1 e6 8. e4 c4 9. Bxc4 Bc5 10. Nh3 0-0 11. dxe6 dxe6 12. Nd2 e5 13. g4 h5 14. Be2 Rd8 15. Qc2 hxg4 16. Nc4 Qc7 17. Ng5 b5 18. Ne3 Qb6 19. Nxg4 Nxg4 20. fxg4 Bf2+ 21. Kf1 Qf6 22. Nf3 Bh4 23. h3 Bg3 24. Kg2 Bf4 25. Bxf4 Qxf4 26. Rad1 Nd7 27. Bxb5 Rb8 28. Ba4 Bb7 29. Rhe1 Nc5 30. Rxd8+ Rxd8 31. Rd1 Rxd1 32. Qxd1 Bxe4 33. Qd8+ Kh7 34. Qh4+ Kg6 35. Qh5+ Kf6 36. g5+ Ke7 37. Bb5 Ne6 38. Kf2 Nxg5 39. Qxg5+ Qxg5 40. Nxg5 Bf5 41. h4 f6 42. Nf3 Kd6 43. Ke3 Bb1 44. a3 Bg6 45. Nd2 Bf7 46. Bc4 Bg6 47. Ne4+ Kc6 48. a4 f5 49. Bb5+ Kd5 50. c4+ Ke6 51. Ng5+ Kd6 52. b4 Bh5 53. c5+ Kd5 54. c6 Kd6 55. Nf3 f4+ 56. Kf2 e4 57. Nd4 e3+ 58. Ke1 Bg4 59. Be2 Bh3 60. Bf3 1-0

[Event "Blankenese op 2nd"]
[Site "Hamburg"]
[Date "2018.09.29"]
[Round "2.20"]
[White "Andersen, Jens Knud"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2160"]
[BlackElo "1761"]
[PlyCount "81"]
[EventDate "2018.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 Bg4 5. Qb3 Qb6 6. cxd5 Qxb3 7. axb3 Bxf3 8. gxf3 Nxd5 9. d4 e6 10. Bd2 Bd6 11. Bd3 Nd7 12. Ke2 Ke7 13. Ra4 N7b6 14. Ra5 f6 15. Rg1 g6 16. h4 a6 17. h5 g5 18. h6 Rag8 19. Raa1 Nb4 20. Bb1 N6d5 21. Ne4 Bc7 22. Nc5 b6 23. Nxa6 Ra8 24. Bd3 Nxd3 25. Nxc7 Nxc7 26. Kxd3 Kf7 27. Rxa8 Nxa8 28. f4 Rg8 29. fxg5 fxg5 30. e4 Kf6 31. Rg4 c5 32. f4 cxd4 33. Rxg5 Rg6 34. Rxg6+ Kxg6 35. Kxd4 Kf6 36. Kc4 Nc7 37. Be3 b5+ 38. Kc5 Ne8 39. b4 Kg6 40. Kxb5 Nd6+ 41. Kc6 1-0

[Event "Blankenese op 2nd"]
[Site "Hamburg"]
[Date "2018.09.29"]
[Round "1.12"]
[White "Zierott, Jan"]
[Black "Thomaschke, Dirk"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1761"]
[BlackElo "2113"]
[PlyCount "55"]
[EventDate "2018.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. e3 c5 4. cxd5 exd5 5. Nc3 Nf6 6. Nf3 Nc6 7. h3 Bd6 8. dxc5 Bxc5 9. Bd3 0-0 10. 0-0 Re8 11. a3 Ne4 12. Qc2 Bf5 13. Nb5 Bb6 14. Bd2 Rc8 15. Bc3 a6 16. Nbd4 Nxd4 17. Nxd4 Bxh3 18. Bxe4 Rxe4 19. gxh3 Qg5+ 20. Kh2 Bxd4 21. exd4 Qf4+ 22. Kg2 Rc6 23. Qd3 Rg6+ 24. Kh1 Rh6 25. Bd2 Qf6 26. Bxh6 Qxh6 27. Rac1 Qe6 28. Qc3 1-0

[Event "Hamburg HSK Christmas op 3rd"]
[Site "Hamburg"]
[Date "2017.12.27"]
[Round "1"]
[White "Kahlert, Thomas"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2205"]
[BlackElo "1787"]
[PlyCount "65"]
[EventDate "2017.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Nf6 3. e4 d5 4. e5 Nfd7 5. d4 dxc4 6. Bxc4 c5 7. Nf3 Nb6 8. Bb3 cxd4 9. Qxd4 Qxd4 10. Nxd4 Bc5 11. Ndb5 Na6 12. Ne4 0-0 13. Bd2 Bd7 14. Nbd6 Bc6 15. Nxc5 Nxc5 16. Bc2 f6 17. exf6 gxf6 18. 0-0-0 Nd5 19. b4 Na6 20. b5 Rfd8 21. bxc6 Rxd6 22. cxb7 Rb8 23. Bf4 e5 24. Rxd5 Rxd5 25. Bb3 Nc7 26. Rd1 Kg7 27. Bxd5 exf4 28. Be4 Ne6 29. Rd7+ Kh8 30. Rxh7+ Kg8 31. Re7 Nc5 32. Rc7 Ne6 33. Bd5 1-0

[Event "Rostock SSC op 16th"]
[Site "Rostock"]
[Date "2017.07.30"]
[Round "7"]
[White "Dinse, Michael"]
[Black "Zierott, Jan"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "1679"]
[BlackElo "1780"]
[PlyCount "45"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. c4 Nf6 4. Bf4 c5 5. cxd5 Nxd5 6. Bxb8 Qa5+ 7. Qd2 Qxd2+ 8. Nbxd2 Rxb8 9. a3 cxd4 10. Nxd4 Bd7 11. e3 a6 12. Rc1 Be7 13. Be2 0-0 14. 0-0 e5 15. N4f3 Bf6 16. Ne4 Rbc8 17. Nxf6+ gxf6 18. h3 Bc6 19. Rc5 b6 20. Rc2 Bb7 21. Rfc1 Rxc2 22. Rxc2 Rc8 23. Rxc8+ 1/2-1/2

[Event "Rostock SSC op 16th"]
[Site "Rostock"]
[Date "2017.07.29"]
[Round "6"]
[White "Zierott, Jan"]
[Black "Garner, Isaac"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "1780"]
[BlackElo "1637"]
[PlyCount "42"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. g3 d5 4. Bg2 Be7 5. Nc3 0-0 6. Nf3 b6 7. 0-0 Bb7 8. Ne5 Nbd7 9. b3 c6 10. Qc2 Nxe5 11. dxe5 Nd7 12. Bb2 Rc8 13. Nb1 Qc7 14. cxd5 cxd5 15. Qxc7 Rxc7 16. Na3 Rfc8 17. f4 Ba6 18. Bf3 g6 19. Rac1 Rxc1 20. Rxc1 Rxc1+ 21. Bxc1 Nc5 1/2-1/2

[Event "Rostock SSC op 16th"]
[Site "Rostock"]
[Date "2017.07.28"]
[Round "5"]
[White "Kiel, Bernd"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "1970"]
[BlackElo "1780"]
[PlyCount "65"]
[EventDate "2017.07.26"]
[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 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. 0-0-0 Bd6 13. Ne4 Nxe4 14. Qxe4 Nf6 15. Qe2 Qc7 16. g3 0-0-0 17. c4 c5 18. Bc3 cxd4 19. Nxd4 a6 20. Kb1 Kb8 21. Nb3 Be7 22. Be5 Bd6 23. Rxd6 Rxd6 24. c5 Qc6 25. Bxd6+ Ka8 26. Rh4 Qg2 27. a3 Re8 28. Ra4 Qc6 29. Qc4 e5 30. Na5 Qh1+ 31. Ka2 Qd5 32. Qxd5 Nxd5 33. Rg4 1-0

[Event "Rostock SSC op 16th"]
[Site "Rostock"]
[Date "2017.07.28"]
[Round "4"]
[White "Zierott, Jan"]
[Black "Hammel, Ralf"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "1780"]
[BlackElo "2057"]
[PlyCount "38"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. g3 c5 5. Bg2 Qa5 6. Qd3 cxd4 7. Qxd4 Nc6 8. Qd2 Ne5 9. Qd4 Nc6 10. Qd2 0-0 11. e3 Bxc3 12. Qxc3 Qxc3+ 13. bxc3 Ne5 14. Ba3 Rd8 15. c5 Nc4 16. Bc1 Ne5 17. Ba3 Nc4 18. Bc1 Ne5 19. Ba3 Nc4 1/2-1/2

[Event "Rostock SSC op 16th"]
[Site "Rostock"]
[Date "2017.07.27"]
[Round "3"]
[White "Klatt, Jan"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2109"]
[BlackElo "1780"]
[PlyCount "47"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. Nf3 e6 4. d3 Bd6 5. Nbd2 Nbd7 6. 0-0 c6 7. e4 Qc7 8. Qe2 0-0 9. b3 b6 10. Bb2 dxe4 11. dxe4 Ne5 12. Nc4 Nxf3+ 13. Qxf3 Be7 14. Be5 Qb7 15. Rad1 Bd7 16. Rd2 Rfd8 17. Nd6 Bxd6 18. Bxf6 gxf6 19. Rxd6 Qc7 20. Rd3 Kg7 21. Qg4+ Kf8 22. Qh4 Kg7 23. Rfd1 Be8 24. e5 1-0

[Event "Rostock SSC op 16th"]
[Site "Rostock"]
[Date "2017.07.26"]
[Round "1"]
[White "Biele, Johanna"]
[Black "Zierott, Jan"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "838"]
[BlackElo "1780"]
[PlyCount "88"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Bd3 Bd6 5. Bg3 0-0 6. Nd2 b6 7. Ngf3 Ba6 8. Bxa6 Nxa6 9. c3 c5 10. Qc2 Nc7 11. Ne5 a6 12. h3 cxd4 13. cxd4 Rc8 14. Qd3 Nfe8 15. Ndf3 f6 16. Ng4 Bxg3 17. fxg3 Qd6 18. 0-0 Qxg3 19. Rae1 Nd6 20. Nd2 Nf5 21. Rf2 Nb5 22. Ref1 Nbxd4 23. Nf3 Nb5 24. e4 Ne7 25. a4 Nc7 26. exd5 Nexd5 27. Qd4 Qf4 28. Qd3 Qxa4 29. Nh4 Qb5 30. Qg3 Kh8 31. Ng6+ hxg6 32. Qh4+ Kg8 33. Nh6+ gxh6 34. Qxh6 Qd7 35. Qxg6+ Qg7 36. Qxg7+ Kxg7 37. Rf3 e5 38. Rg3+ Kf7 39. h4 Rg8 40. Rh3 Nf4 41. Rh2 Ncd5 42. g3 Rxg3+ 43. Kf2 Nh5 44. Rg1 Rc2+ 0-1

[Event "Rostock SSC op 16th"]
[Site "Rostock"]
[Date "2017.07.26"]
[Round "2"]
[White "Zierott, Jan"]
[Black "Jeske, Holger"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "1780"]
[BlackElo "1949"]
[PlyCount "119"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 f5 2. g3 d6 3. Bg2 c6 4. Nf3 Qc7 5. Nc3 Nf6 6. Qd3 g6 7. e4 e5 8. dxe5 dxe5 9. Bg5 Bg7 10. Qc4 Nxe4 11. Nxe4 fxe4 12. Qxe4 0-0 13. 0-0 Be6 14. Rad1 Bd5 15. Rxd5 cxd5 16. Qxd5+ Kh8 17. c3 Nc6 18. Nd2 h6 19. Be3 Qf7 20. Qb5 Rfd8 21. Qa4 g5 22. h4 gxh4 23. Qxh4 Qf6 24. Qh5 Ne7 25. Be4 Rxd2 26. Bxd2 Rd8 27. Be3 b6 28. Kg2 Nd5 29. Bc1 Nc7 30. Rh1 Kg8 31. Qf5 Qxf5 32. Bxf5 Rd6 33. Bg4 Kf7 34. Rd1 Rxd1 35. Bxd1 Ke6 36. Kf3 Ne8 37. Bb3+ Kf6 38. Be3 Nd6 39. Bd5 Nf5 40. Bd2 h5 41. g4 hxg4+ 42. Kxg4 Nh6+ 43. Kh5 Nf7 44. b3 Bf8 45. c4 Bc5 46. f3 a5 47. Kg4 Bd4 48. Bxf7 Kxf7 49. Kf5 Ke7 50. Bg5+ Kd6 51. Ke4 Bb2 52. Bf6 Ke6 53. Bd8 Bd4 54. f4 Bc5 55. fxe5 Bg1 56. Bg5 Bc5 57. Bd2 Bg1 58. Bc3 Bc5 59. Bd4 Bxd4 60. Kxd4 1-0

[Event "Hamburg HSK Christmas op 1st"]
[Site "Hamburg"]
[Date "2015.12.29"]
[Round "7"]
[White "Zierott, Jan"]
[Black "Moellmer, Marco"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1784"]
[BlackElo "1234"]
[PlyCount "75"]
[EventDate "2015.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 Bf5 4. Nf3 e6 5. h3 Bb4 6. a3 Bxc3+ 7. bxc3 Ne4 8. Qb3 b6 9. e3 0-0 10. cxd5 Qxd5 11. c4 Qa5+ 12. Qb4 Qxb4+ 13. axb4 c5 14. b5 Nd7 15. Nh4 Nd6 16. g4 Bc2 17. Kd2 Bg6 18. Nxg6 fxg6 19. f4 Ne4+ 20. Kc2 Ng3 21. Rg1 Nxf1 22. Rxf1 g5 23. Bb2 cxd4 24. Bxd4 gxf4 25. Rxf4 Rxf4 26. exf4 Rf8 27. Rxa7 Nc5 28. Rxg7+ Kh8 29. Rg6+ Rf6 30. Rxf6 Kg8 31. Bxc5 bxc5 32. Rxe6 Kf7 33. f5 h5 34. b6 h4 35. b7 Kg7 36. b8Q Kh7 37. Qc7+ Kg8 38. Re8# 1-0

[Event "Hamburg HSK Christmas op 1st"]
[Site "Hamburg"]
[Date "2015.12.28"]
[Round "5"]
[White "Kotyk, Michael"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "C29"]
[WhiteElo "1567"]
[BlackElo "1784"]
[PlyCount "47"]
[EventDate "2015.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Be7 6. d3 Bh4+ 7. g3 Nxc3 8. bxc3 Be7 9. d4 Bg4 10. Bg2 c5 11. 0-0 Nc6 12. Qd3 0-0 13. Be3 Qd7 14. Ng5 Bxg5 15. Bxg5 Bh3 16. Rf4 Bxg2 17. Kxg2 c4 18. Qf5 Rad8 19. Bxd8 Qxf5 20. Rxf5 Nxd8 21. Raf1 Re8 22. Rb1 Re6 23. Rb5 g6 24. Rf6 1-0

[Event "Hamburg HSK Christmas op 1st"]
[Site "Hamburg"]
[Date "2015.12.28"]
[Round "3"]
[White "Schulz, Hans Juergen"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "1930"]
[BlackElo "1784"]
[PlyCount "73"]
[EventDate "2015.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 Na5 5. Bg5 Nxc4 6. dxc4 Bb4 7. Nge2 h6 8. Bd2 d6 9. h3 Be6 10. b3 c6 11. a3 Bc5 12. Ng3 Bd4 13. 0-0 d5 14. cxd5 cxd5 15. Rb1 0-0 16. Kh2 Rc8 17. Nxd5 Nxe4 18. Nxe4 Qxd5 19. Ng3 f5 20. c4 Qc5 21. Bb4 Qc7 22. Bxf8 Rxf8 23. Ne2 e4+ 24. Kh1 Be5 25. Qc2 Qc6 26. Rbd1 f4 27. Nd4 Bxd4 28. Rxd4 Bf5 29. Rd5 Qg6 30. Qd2 f3 31. g4 h5 32. Rd6 Rf6 33. Rxf6 Qxf6 34. gxf5 Kh7 35. Qf4 Qd4 36. Qe3 Qe5 37. Re1 1-0

[Event "Hamburg HSK Christmas op 1st"]
[Site "Hamburg"]
[Date "2015.12.28"]
[Round "4"]
[White "Zierott, Jan"]
[Black "Schermer, Denis"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "1784"]
[BlackElo "2062"]
[PlyCount "110"]
[EventDate "2015.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 c5 3. Nf3 Qb6 4. Nc3 e6 5. Rb1 d5 6. Bxf6 gxf6 7. e4 dxe4 8. Nxe4 Nd7 9. dxc5 Qb4+ 10. Nfd2 Bxc5 11. c3 Qb6 12. Nc4 Qc6 13. Qf3 f5 14. Ned6+ Bxd6 15. Qxc6 bxc6 16. Nxd6+ Ke7 17. Rd1 Rb8 18. b3 Nb6 19. Nxc8+ Rhxc8 20. c4 c5 21. Be2 Nd7 22. f4 Rc6 23. 0-0 Nf6 24. Bd3 Rd8 25. Bc2 Rcd6 26. Rxd6 Rxd6 27. Rd1 Rxd1+ 28. Bxd1 Ne4 29. Bf3 Nc3 30. a4 Na2 31. Kf2 Nc1 32. Bd1 f6 33. Bc2 Na2 34. Ke3 Nb4 35. Bb1 a6 36. Kf3 Kd6 37. Ke3 Nc6 38. Bc2 Nd4 39. Bd1 e5 40. g3 Ke6 41. Kd3 Kd6 42. Ke3 Ke6 43. Kd3 Nc6 44. Ke3 Nd8 45. Bc2 Nf7 46. Bd1 Nh6 47. h3 Ng8 48. Kd3 Ne7 49. Ke3 Nc6 50. Kd3 Kd6 51. Ke3 Nd4 52. Kd3 Kc6 53. Ke3 Ne6 54. Bh5 Kd6 55. Bd1 Nd4 1/2-1/2

[Event "Hamburg HSK Christmas op 1st"]
[Site "Hamburg"]
[Date "2015.12.27"]
[Round "1"]
[White "Tuerk, Janusch"]
[Black "Zierott, Jan"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "981"]
[BlackElo "1784"]
[PlyCount "121"]
[EventDate "2015.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Bg4 8. Be3 Nc6 9. h3 Bd7 10. 0-0-0 0-0-0 11. d4 d5 12. g3 h6 13. Bg2 g5 14. Ne5 Be8 15. f4 gxf4 16. Bxf4 a6 17. Rhe1 Qe6 18. h4 Ne7 19. Rd3 Ng6 20. Qf3 Nxf4 21. gxf4 Kb8 22. Rde3 Qb6 23. Ng4 Bb4 24. Nxf6 Bxc3 25. Rxc3 Qxf6 26. Qg4 Bd7 27. Qg3 Rhg8 28. Qf3 Bg4 29. Qg3 c6 30. Rce3 Bf5 31. Qf2 Rg4 32. Bh3 Rgg8 33. Bxf5 Qxf5 34. Re5 Qg4 35. Rg1 Qxg1+ 36. Qxg1 Rxg1+ 37. Kd2 Rg4 38. Rf5 Rd7 39. h5 Re7 40. b3 Kc7 41. c4 dxc4 42. bxc4 Rg2+ 43. Kd3 Rxa2 44. d5 c5 45. Rf6 Ra3+ 46. Kd2 Kd7 47. Rxh6 Rh3 48. Rb6 Kc8 49. h6 Rh5 50. Kd3 f5 51. Kd2 Rh7 52. Rb3 R7xh6 53. Rd3 Rh2+ 54. Kc1 Rh1+ 55. Kd2 R6h2+ 56. Kc3 Rh3 57. Rxh3 Rxh3+ 58. Kb2 Rd3 59. Kc2 Rf3 60. Kd2 Rxf4 61. Kd3 0-1

[Event "Hamburg HSK Christmas op 1st"]
[Site "Hamburg"]
[Date "2015.12.27"]
[Round "2"]
[White "Zierott, Jan"]
[Black "Raider, Eugen"]
[Result "1/2-1/2"]
[ECO "E33"]
[WhiteElo "1784"]
[BlackElo "2030"]
[PlyCount "102"]
[EventDate "2015.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 Nc6 3. Nf3 e6 4. Nc3 Bb4 5. Qc2 d5 6. e3 Ne4 7. Bd3 f5 8. a3 Be7 9. cxd5 exd5 10. Bb5 a6 11. Bxc6+ bxc6 12. Ne5 Nxc3 13. Nxc6 Qd6 14. Nxe7 Ne4 15. Qc6+ Kxe7 16. Qxa8 Rd8 17. Qa7 Rd7 18. Qb8 Rd8 19. Qb4 c5 20. dxc5 Nxc5 21. 0-0 a5 22. Qh4+ Kf7 23. Bd2 Nb3 24. Rad1 Ba6 25. Rfe1 h6 26. Bc3 Kg8 27. Be5 Qf8 28. Qh5 Kh7 29. Qf3 Bc4 30. Bd4 Re8 31. g4 fxg4 32. Qxg4 Re4 33. f4 Qe7 34. Kf2 Qf7 35. Qf3 Qf5 36. Rg1 g6 37. Qg4 Nxd4 38. Rxd4 Rxd4 39. exd4 Qc2+ 40. Kg3 h5 41. Qf3 h4+ 42. Kh3 Ba6 43. Rg2 Qc1 44. Kxh4 Qe1+ 45. Qg3 Qe4 46. Qg5 Bc8 47. Rg3 Bf5 48. Rc3 Qe1+ 49. Qg3 Qe7+ 50. Qg5 Qe1+ 51. Qg3 Qe7+ 1/2-1/2

[Event "Hamburg St Pauli op-B"]
[Site "Hamburg"]
[Date "2014.07.25"]
[Round "7"]
[White "Domanski, Lukasz"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1679"]
[BlackElo "1802"]
[PlyCount "36"]
[EventDate "2014.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. c4 Nf6 6. Nc3 dxc4 7. Bxc4 0-0 8. 0-0 Bg4 9. h3 Bh5 10. g4 Bg6 11. Ne5 Nbd7 12. f4 Be4 13. g5 Nb6 14. gxf6 Bxe5 15. fxe5 Nxc4 16. Nxe4 Qd5 17. fxg7 Qxe4 18. gxf8Q+ Rxf8 1-0

[Event "Hamburg St Pauli op-B"]
[Site "Hamburg"]
[Date "2014.07.23"]
[Round "5"]
[White "Krueger, Marian"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1566"]
[BlackElo "1802"]
[PlyCount "53"]
[EventDate "2014.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Nxe5 Qe7 5. Nd3 Bxc3 6. dxc3 Qxe4+ 7. Qe2 0-0 8. Qxe4 Nxe4 9. Be3 d5 10. 0-0-0 b6 11. Nb4 c6 12. f3 Nf6 13. g4 a5 14. Nd3 Nbd7 15. g5 Nh5 16. Bh3 f5 17. Rhe1 g6 18. Nf4 Nxf4 19. Bxf4 Bb7 20. Re7 Rf7 21. Rde1 Raf8 22. Bd6 Rxe7 23. Rxe7 Rf7 24. Re8+ Kg7 25. Bf1 b5 26. b3 Nb6 27. Be5+ 1-0

[Event "Hamburg St Pauli op-B"]
[Site "Hamburg"]
[Date "2014.07.20"]
[Round "3"]
[White "Meyerfeldt, Tim"]
[Black "Zierott, Jan"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "1429"]
[BlackElo "1802"]
[PlyCount "50"]
[EventDate "2014.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 Nbd7 5. Nbd2 b6 6. Bg2 Bb7 7. Qc2 c5 8. 0-0 Bd6 9. Rd1 0-0 10. b3 Rc8 11. dxc5 Bxc5 12. Ne1 Qc7 13. Bb2 dxc4 14. Qxc4 Bxg2 15. Nxg2 Ne5 16. Qf4 Neg4 17. Qxc7 Rxc7 18. e3 Nd5 19. h3 Ngf6 20. Be5 Rc6 21. Nf4 Nxf4 22. Bxf4 Nd5 23. Nc4 Nxf4 24. gxf4 f6 25. Rac1 Rfc8 1/2-1/2

[Event "Hamburg St Pauli op-B"]
[Site "Hamburg"]
[Date "2013.07.08"]
[Round "3"]
[White "Graefe, Johannes"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1721"]
[BlackElo "1801"]
[PlyCount "84"]
[EventDate "2013.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be2 Nc6 8. Be3 Be6 9. Qd2 Qd7 10. 0-0 0-0 11. Bd3 Ne5 12. Nxe5 dxe5 13. Rad1 Rad8 14. Bg5 f6 15. Be3 f5 16. Bc4 Bd6 17. Qe2 Qf7 18. Bxe6 Qxe6 19. b3 f4 20. Bc1 f3 21. gxf3 Qh3 22. Qe4 Qxf3 23. Qxf3 Rxf3 24. Be3 Rdf8 25. c4 b6 26. c3 a5 27. Bxb6 Rxc3 28. Bxa5 Rc2 29. Rd2 Rxd2 30. Bxd2 Ra8 31. Ra1 Ba3 32. Bc3 Re8 33. b4 c5 34. b5 Kf7 35. Rb1 Ke6 36. Kg2 Kd7 37. b6 Kc8 38. b7+ Kb8 39. Kf3 Re7 40. Ke4 Rxb7 41. Bxe5+ Kc8 42. Rxb7 Kxb7 1-0

[Event "Hamburg Robinow op"]
[Site "Hamburg"]
[Date "2005.10.09"]
[Round "9"]
[White "Zierott, Jan"]
[Black "Schwarzkopf, Joerg"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1609"]
[BlackElo "1755"]
[PlyCount "133"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Nbd2 Nxe4 6. Bxf7+ Kxf7 7. Nxe4 Re8 8. c3 Kg8 9. Qb3+ Kh8 10. Neg5 Rf8 11. Nf7+ Rxf7 12. Qxf7 Nd7 13. Ng5 Qf8 14. Qxf8+ Bxf8 15. Ne6 c6 16. Bg5 Kg8 17. 0-0 Nb6 18. Nxf8 Kxf8 19. Rae1 e6 20. b3 a5 21. c4 Bd7 22. a4 Nc8 23. Re3 b5 24. axb5 cxb5 25. cxb5 Bxb5 26. Rf3+ Ke8 27. Rc1 Bd7 28. Bh6 a4 29. bxa4 Rxa4 30. Bg7 Nb6 31. h3 Nd5 32. Rb1 Rb4 33. Rxb4 Nxb4 34. Bf8 Bc6 35. Rb3 Nc2 36. Rb8+ Kd7 37. Bg7 Kc7 38. Rh8 h5 39. Rh6 Be4 40. f3 Bd3 41. Kf2 Kc6 42. Rh8 Kd5 43. Rd8 Na3 44. g4 hxg4 45. fxg4 Nc4 46. h4 e5 47. dxe5 Nxe5 48. Bxe5 Kxe5 49. Ke3 Bb1 50. h5 gxh5 51. gxh5 Ke6 52. Kf4 Ke7 53. Rb8 Bc2 54. Kg5 d5 55. h6 Kf7 56. Rb7+ Kg8 57. Kf6 Kh8 58. Rd7 Be4 59. Re7 Bd3 60. Kg5 Bb1 61. Rg7 Be4 62. Kf6 Bb1 63. Kf7 Be4 64. Rg5 Bc2 65. Rg2 Be4 66. Rg7 Bf5 67. Kf6 1/2-1/2

[Event "Hamburg Robinow op"]
[Site "Hamburg"]
[Date "2005.10.08"]
[Round "8"]
[White "Klinkow, Alexander"]
[Black "Zierott, Jan"]
[Result "0-1"]
[ECO "D16"]
[WhiteElo "1772"]
[BlackElo "1609"]
[PlyCount "138"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. Nxc4 e6 8. Be3 Bb4 9. Qb3 a5 10. f3 Nbd7 11. Kf2 Nd5 12. g3 Nxe3 13. Nxe3 0-0 14. Nc2 Nf6 15. e3 c5 16. Be2 cxd4 17. Nxd4 Rc8 18. Rhd1 Qe7 19. Ndb5 Rfd8 20. Rxd8+ Rxd8 21. Qc4 Qc5 22. Qxc5 Bxc5 23. Na3 Nd5 24. Nc4 Nxc3 25. bxc3 Bg6 26. Nxa5 b6 27. Nb7 Rd5 28. Nxc5 Rxc5 29. Ra3 f6 30. e4 Be8 31. Ke3 e5 32. Kd2 Ra5 33. Rb3 Rxa4 34. Rxb6 Ra2+ 35. Ke1 Ra1+ 36. Kf2 Kf7 37. Bc4+ Kg6 38. Be6 Rc1 39. Rb3 Ba4 40. Ra3 Bb5 41. h4 Rc2+ 42. Ke1 Re2+ 43. Kd1 Re3 44. Kc2 Rxf3 45. Bf5+ Kh6 46. g4 g6 47. g5+ fxg5 48. hxg5+ Kxg5 49. Be6 Bd3+ 50. Kb3 Bxe4 51. Kb4 h5 52. Ra1 h4 53. Re1 Kf4 54. c4 g5 55. c5 Bc6 56. Rd1 h3 57. Ka5 h2 58. Kb6 Be4 59. c6 Bxc6 60. Kxc6 g4 61. Kd6 g3 62. Bh3 Rf2 63. Rh1 g2 64. Bxg2 Rxg2 65. Rf1+ Kg3 66. Kxe5 Rg1 67. Rf5 h1Q 68. Rg5+ Kf3 69. Rxg1 Qxg1 0-1

[Event "Hamburg Robinow op"]
[Site "Hamburg"]
[Date "2005.10.07"]
[Round "7"]
[White "Zierott, Jan"]
[Black "Goepfert, Jakob"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1609"]
[BlackElo "968"]
[PlyCount "55"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 c6 2. e4 d5 3. e5 Bf5 4. Ne2 e6 5. Ng3 Bg6 6. h4 h5 7. Bd3 Bxd3 8. Qxd3 Be7 9. Qf3 g6 10. Qf4 Nd7 11. Nd2 Qc7 12. Nf3 Nh6 13. Ng5 Nf5 14. Nxf5 exf5 15. Nxf7 Rf8 16. Ng5 Bxg5 17. Qxg5 Rg8 18. 0-0 Rg7 19. Re1 Nf8 20. c3 Re7 21. e6 0-0-0 22. Bf4 Qb6 23. Qxe7 a6 24. Qf7 Nxe6 25. Rxe6 a5 26. Rae1 a4 27. Re8 a3 28. Qe6# 1-0

[Event "Hamburg Robinow op"]
[Site "Hamburg"]
[Date "2005.10.06"]
[Round "6"]
[White "Cupina, Ibrahim"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "C21"]
[WhiteElo "1730"]
[BlackElo "1609"]
[PlyCount "33"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 d6 5. Nxc3 Nf6 6. e5 Qe7 7. Nf3 dxe5 8. 0-0 Be6 9. Bxe6 fxe6 10. Nxe5 Nbd7 11. Bf4 0-0-0 12. Qa4 a6 13. Rac1 Nxe5 14. Bxe5 Qb4 15. Bxc7 Qxa4 16. Nxa4 Nd5 17. Nb6+ 1-0

[Event "Hamburg Robinow op"]
[Site "Hamburg"]
[Date "2005.10.05"]
[Round "5"]
[White "Zierott, Jan"]
[Black "Knop, Hauke"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1609"]
[BlackElo "2024"]
[PlyCount "96"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. f3 Nd6 5. Nd2 Nc6 6. e3 g6 7. Bd3 Nb4 8. Ne2 Nxd3+ 9. cxd3 Bg7 10. 0-0 0-0 11. Rc1 c6 12. e4 Qb6 13. e5 Nf5 14. Nb3 a5 15. a4 g5 16. Bxg5 Bxe5 17. Kh1 Bb8 18. g4 f6 19. Bf4 Bxf4 20. Nxf4 Nxd4 21. Nxd4 Qxd4 22. Qd2 Bd7 23. Rce1 e5 24. Nh5 Be8 25. Ng3 Bg6 26. Rf2 Qxd3 27. Qh6 Qd4 28. Rd2 Qf4 29. Qxf4 exf4 30. Nh5 Bxh5 31. gxh5 Rfe8 32. Rg1+ Kf7 33. h6 Rg8 34. Rd4 Rae8 35. Rxf4 Rxg1+ 36. Kxg1 Re1+ 37. Kf2 Rb1 38. Rg4 Rxb2+ 39. Kg3 b5 40. Rg7+ Kf8 41. Rxh7 bxa4 42. Rc7 Kg8 43. Rxc6 a3 44. Rc1 d4 45. Kf4 a2 46. Kf5 Rb1 47. Rc8+ Kh7 48. Kxf6 a1Q 0-1

[Event "Hamburg Robinow op"]
[Site "Hamburg"]
[Date "2005.10.04"]
[Round "4"]
[White "Zierott, Jan"]
[Black "Sakuth, Eckard"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1609"]
[BlackElo "1522"]
[PlyCount "39"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. Nbd2 Be7 5. e3 Nbd7 6. c4 c6 7. Bd3 0-0 8. c5 b5 9. 0-0 a5 10. h3 a4 11. Qc2 Ba6 12. b3 a3 13. b4 Bb7 14. Rab1 h6 15. Bh4 g5 16. Bg3 Ra7 17. Rb3 Qa8 18. Ne5 Nxe5 19. Bxe5 Nd7 20. Bh7# 1-0

[Event "Hamburg Robinow op"]
[Site "Hamburg"]
[Date "2005.10.03"]
[Round "3"]
[White "Duemmke, Jens"]
[Black "Zierott, Jan"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1473"]
[BlackElo "1609"]
[PlyCount "62"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. d3 Nc6 5. Nbd2 e5 6. e4 dxe4 7. dxe4 Qc7 8. c3 Be6 9. 0-0 Be7 10. h3 0-0 11. Ng5 Bd7 12. Qe2 h6 13. Ngf3 a6 14. Rd1 b5 15. Nf1 Be6 16. Qc2 Rfd8 17. Ne3 Rxd1+ 18. Nxd1 Qd7 19. Kh2 Rd8 20. Ne3 Qd3 21. Qxd3 Rxd3 22. Nd2 c4 23. a4 Bc5 24. axb5 Bxe3 25. fxe3 axb5 26. Ra6 Bd7 27. Ra1 Kh7 28. Kg1 Rxe3 29. Nxc4 Rxg3 30. Kh2 Rxg2+ 31. Kxg2 bxc4 0-1

[Event "Hamburg Robinow op"]
[Site "Hamburg"]
[Date "2005.10.02"]
[Round "2"]
[White "Zierott, Jan"]
[Black "Pillath, Marcus"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "1609"]
[BlackElo "1449"]
[PlyCount "91"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 c6 2. e4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Nh4 Ngf6 8. Nxg6 hxg6 9. Be2 e5 10. dxe5 Nxe5 11. Be3 Qxd1+ 12. Rxd1 Neg4 13. Nf1 Nxe3 14. Nxe3 Be7 15. 0-0 0-0 16. Bc4 Rad8 17. Bb3 Rxd1 18. Rxd1 Rd8 19. Rxd8+ Bxd8 20. Nc4 Nd5 21. Nd6 b6 22. c3 Bc7 23. Bxd5 Bxd6 24. Bxc6 g5 25. f3 f6 26. Bd5+ Kf8 27. Kf2 Bc5+ 28. Ke2 a5 29. Kd3 Ke7 30. a3 Kd6 31. Be4 Ke5 32. b4 axb4 33. cxb4 Bg1 34. h3 f5 35. Bc6 f4 36. Kc4 Kd6 37. Kb5 Kc7 38. a4 Bd4 39. a5 bxa5 40. bxa5 Be3 41. Be4 Bf2 42. a6 Ba7 43. Kc4 Kd6 44. Kd3 Kc5 45. Ke2 Kd4 46. Kf1 1/2-1/2

[Event "Hamburg Robinow op"]
[Site "Hamburg"]
[Date "2005.10.01"]
[Round "1"]
[White "Ziege, Andreas"]
[Black "Zierott, Jan"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1135"]
[BlackElo "1609"]
[PlyCount "92"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Bf4 e6 5. Qa4 Bd6 6. Bxd6 Qxd6 7. c5 Qc7 8. e3 0-0 9. Bd3 Nbd7 10. Qc2 e5 11. dxe5 Nxe5 12. Nxe5 Qxe5 13. Nd2 Bg4 14. h3 Bh5 15. g4 Bg6 16. Bxg6 fxg6 17. 0-0-0 Nd7 18. Nb3 b6 19. cxb6 axb6 20. a3 b5 21. Kb1 Qf6 22. Rdf1 Ne5 23. Nd4 Nc4 24. f4 Nxe3 25. Qd3 Nxf1 26. Rxf1 Ra4 27. Nc2 Rxf4 28. Rxf4 Qxf4 29. Ka1 Qc1+ 30. Ka2 Rf2 31. Kb3 Qf4 32. Ka2 Rf3 33. Qe2 Qc4+ 34. Qxc4 dxc4 35. Nd4 Rxh3 36. Nxc6 Kf7 37. Na7 Rb3 38. Nc6 h5 39. gxh5 gxh5 40. Nd4 h4 41. a4 bxa4 42. Ne2 h3 43. Ka1 h2 44. Kb1 h1Q+ 45. Nc1 Re3 46. b3 Re1 0-1

[Event "Hamburg HSK DWZ op 1st"]
[Site "Hamburg"]
[Date "2002.09.29"]
[Round "4"]
[White "Saak, Sarah"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "1417"]
[BlackElo "1682"]
[PlyCount "77"]
[EventDate "2002.09.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Nc6 4. Ng5 d5 5. exd5 Nxd5 6. d4 Nxd4 7. c3 b5 8. Bxd5 Qxd5 9. cxd4 Qxg2 10. Qf3 Bb4+ 11. Bd2 Bxd2+ 12. Nxd2 Qxf3 13. Ngxf3 Bb7 14. dxe5 0-0-0 15. Rg1 g6 16. 0-0-0 Rhe8 17. Rg3 h6 18. Nb3 Rxd1+ 19. Kxd1 Rd8+ 20. Kc2 Be4+ 21. Kc1 Rd5 22. Nfd2 Bf5 23. f4 c5 24. Nf1 c4 25. Ne3 Rd8 26. Nxf5 cxb3 27. Nd6+ Kd7 28. Rxb3 Ke6 29. Rxb5 f6 30. Ne4 Kf5 31. Nc3 fxe5 32. fxe5 Re8 33. Kd2 Rxe5 34. Rxe5+ Kxe5 35. Ke3 Kf6 36. Kf3 g5 37. b4 h5 38. Nb5 a6 39. Nc7 1-0

[Event "Hamburg HSK DWZ op 1st"]
[Site "Hamburg"]
[Date "2002.09.29"]
[Round "5"]
[White "Zierott, Jan"]
[Black "Zoeller, Henning"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1682"]
[BlackElo "1458"]
[PlyCount "63"]
[EventDate "2002.09.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. Bg5 h6 4. Bxf6 exf6 5. e3 Be7 6. Bd3 d5 7. c3 0-0 8. 0-0 Be6 9. Qb3 b6 10. Nbd2 c5 11. Qc2 c4 12. Bh7+ Kh8 13. Nh4 f5 14. Nxf5 Kxh7 15. Nxe7+ Kh8 16. Nf5 Nd7 17. Rae1 Nf6 18. f3 Qd7 19. Ng3 g6 20. e4 Nh5 21. Nxh5 gxh5 22. f4 dxe4 23. Qxe4 Bd5 24. Qe5+ Kh7 25. Qxh5 f5 26. g3 Rg8 27. Re5 Raf8 28. Rfe1 Qd6 29. Rxf5 Rf6 30. Rxf6 Qxf6 31. Qxd5 Qxf4 32. Qe4+ 1-0

[Event "Hamburg HSK DWZ op 1st"]
[Site "Hamburg"]
[Date "2002.09.28"]
[Round "3"]
[White "Zierott, Jan"]
[Black "Heilemann, Manfred"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1682"]
[BlackElo "1871"]
[PlyCount "46"]
[EventDate "2002.09.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. h3 e5 7. d5 a5 8. Be3 Na6 9. Bd3 b6 10. Qd2 Nc5 11. Bc2 Ba6 12. b3 a4 13. b4 Ncxe4 14. Nxe4 Nxe4 15. Bxe4 f5 16. Bg5 Bf6 17. Bxf5 gxf5 18. b5 Bc8 19. 0-0-0 f4 20. Bxf6 Qxf6 21. Qe2 Bf5 22. Nd2 e4 23. Nxe4 Qa1+ 0-1

[Event "Hamburg HSK DWZ op 1st"]
[Site "Hamburg"]
[Date "2002.09.27"]
[Round "2"]
[White "Winterstein, Holger"]
[Black "Zierott, Jan"]
[Result "0-1"]
[ECO "C37"]
[WhiteElo "1893"]
[BlackElo "1682"]
[PlyCount "58"]
[EventDate "2002.09.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d6 4. d4 g5 5. Bc4 Be6 6. d5 Bg4 7. Qd4 f6 8. Nxg5 fxg5 9. Qxh8 Nf6 10. b3 Qe7 11. 0-0 Nbd7 12. Bb5 0-0-0 13. Bxd7+ Bxd7 14. Bb2 Bg7 15. Qxd8+ Kxd8 16. Nd2 Ng4 17. Bxg7 Qxg7 18. Nf3 Ne3 19. Rfc1 g4 20. Ne1 Qd4 21. Kh1 Qxe4 22. c4 f3 23. Kg1 fxg2 24. Rab1 Bf5 25. Rb2 Qd4 26. Rf2 Nd1 27. Rxd1 Qxd1 28. Rxf5 Qxe1+ 29. Kxg2 Qe4+ 0-1

[Event "Hamburg HSK DWZ op 1st"]
[Site "Hamburg"]
[Date "2002.09.27"]
[Round "1"]
[White "Zierott, Jan"]
[Black "Herbold, Nora Marina"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1682"]
[BlackElo "792"]
[PlyCount "33"]
[EventDate "2002.09.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. Bf4 Bf5 4. c3 Nf6 5. e3 e6 6. Bb5 Bd6 7. Ne5 Bxe5 8. Bxe5 a6 9. Bxc6+ bxc6 10. Qa4 0-0 11. Qxc6 Ra7 12. Nd2 Nd7 13. Bg3 Re8 14. Nb3 Bd3 15. a4 Nb6 16. Nc5 h6 17. Nxd3 1-0

[Event "Kiel op 13th"]
[Site "Kiel"]
[Date "2000.08.25"]
[Round "9"]
[White "Zierott, Jan"]
[Black "Koelln, Harm"]
[Result "1/2-1/2"]
[ECO "A38"]
[PlyCount "66"]
[EventDate "2000.08.19"]
[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 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c5 5. Nf3 Nc6 6. d3 0-0 7. 0-0 d6 8. Rb1 Rb8 9. a3 Bd7 10. Bg5 h6 11. Bd2 Qc8 12. Re1 Bh3 13. b4 Bxg2 14. Kxg2 b6 15. bxc5 bxc5 16. Qc2 Qd7 17. e4 e5 18. Rxb8 Rxb8 19. Rb1 Rb7 20. Rb2 Bf8 21. Qb1 Nd8 22. Rxb7 Qxb7 23. Qxb7 Nxb7 24. Nb5 a6 25. Nc7 a5 26. a4 Kg7 27. Ne1 g5 28. Nc2 Be7 29. Ne3 Bd8 30. Nf5+ Kg6 31. Nb5 Ne8 32. Na7 Nc7 33. Nc6 Ne6 1/2-1/2

[Event "Kiel op 13th"]
[Site "Kiel"]
[Date "2000.08.24"]
[Round "8"]
[White "Gollasch, Theo Heinz"]
[Black "Zierott, Jan"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2165"]
[PlyCount "64"]
[EventDate "2000.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. d4 b6 5. c4 c6 6. Nc3 Nbd7 7. cxd5 cxd5 8. 0-0 Bb7 9. a4 a6 10. Bf4 Bb4 11. Na2 Be7 12. Rc1 Rc8 13. Qb3 0-0 14. Rxc8 Qxc8 15. Rc1 Qa8 16. Ne5 Rc8 17. Rc3 Rxc3 18. Nxc3 Qd8 19. Nd3 Ne4 20. f3 Nd6 21. Bxd6 Bxd6 22. e4 dxe4 23. fxe4 e5 24. d5 Qg5 25. Qd1 Nc5 26. Qc1 Qf6 27. Nxc5 Bxc5+ 28. Kh1 Qf2 29. Qd1 Bc8 30. d6 Bg4 31. d7 Bxd7 32. Bh3 Bxh3 0-1

[Event "Kiel op 13th"]
[Site "Kiel"]
[Date "2000.08.23"]
[Round "7"]
[White "Zierott, Jan"]
[Black "Thoroe, Bjoern"]
[Result "1/2-1/2"]
[ECO "A25"]
[PlyCount "51"]
[EventDate "2000.08.19"]
[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. g3 Bc5 4. Bg2 Nc6 5. e3 d6 6. a3 a5 7. Nge2 Be6 8. d4 exd4 9. exd4 Bxc4 10. dxc5 dxc5 11. Bxc6+ bxc6 12. Qxd8+ Rxd8 13. Bg5 Rd6 14. Bxf6 Rxf6 15. 0-0 0-0 16. Rfd1 Re8 17. Rd2 g5 18. Re1 Rfe6 19. f3 f5 20. Kf2 g4 21. f4 Rh6 22. Kg1 Rhe6 23. Kf1 Rh6 24. Kg2 Rhe6 25. h4 Re3 26. Kf2 1/2-1/2

[Event "Kiel op 13th"]
[Site "Kiel"]
[Date "2000.08.22"]
[Round "6"]
[White "Koelln, Rasmus"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "67"]
[EventDate "2000.08.19"]
[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. Bc4 Nc6 3. d3 Bc5 4. f4 d6 5. Nf3 Nf6 6. Ng5 0-0 7. Nc3 Bg4 8. Nf3 Nd4 9. f5 Nh5 10. h4 Kh8 11. Nd5 c6 12. Ne3 Bxf3 13. gxf3 Nf4 14. Rh2 b5 15. Bb3 Qb6 16. Nf1 Nxb3 17. axb3 Bg1 18. Bxf4 exf4 19. Rg2 Be3 20. Nxe3 Qxe3+ 21. Qe2 d5 22. Qxe3 fxe3 23. d4 a5 24. Ke2 a4 25. Kxe3 axb3 26. Rxa8 Rxa8 27. cxb3 f6 28. Rc2 dxe4 29. fxe4 Rc8 30. b4 g6 31. fxg6 hxg6 32. d5 f5 33. Rxc6 Re8 34. Re6 1-0

[Event "Kiel op 13th"]
[Site "Kiel"]
[Date "2000.08.21"]
[Round "5"]
[White "Zierott, Jan"]
[Black "Von Hassel, Ulf"]
[Result "0-1"]
[ECO "D32"]
[PlyCount "44"]
[EventDate "2000.08.19"]
[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 e6 2. Nc3 d5 3. d4 c5 4. Nf3 Nc6 5. cxd5 exd5 6. Bg5 Be7 7. Bxe7 Ngxe7 8. dxc5 d4 9. Ne4 0-0 10. a3 Qd5 11. Qc2 Bf5 12. Nfd2 Rfe8 13. g4 Bxg4 14. Rg1 f5 15. Nd6 Ng6 16. e4 dxe3 17. N2e4 exf2+ 18. Qxf2 Rxe4+ 19. Nxe4 Qxe4+ 20. Kd2 Rd8+ 21. Kc3 Nge5 22. Qg3 f4 0-1

[Event "Kiel op 13th"]
[Site "Kiel"]
[Date "2000.08.20"]
[Round "4"]
[White "Lang, Andreas"]
[Black "Zierott, Jan"]
[Result "1/2-1/2"]
[ECO "C60"]
[PlyCount "57"]
[EventDate "2000.08.19"]
[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. Bb5 a6 4. Ba4 g6 5. 0-0 Nge7 6. c3 b5 7. Bc2 d6 8. h3 Bg7 9. d4 0-0 10. dxe5 Nxe5 11. Nxe5 dxe5 12. Qe2 c5 13. Bg5 f6 14. Be3 Qc7 15. b4 c4 16. Nd2 Be6 17. f4 f5 18. Kh1 exf4 19. Bxf4 Be5 20. exf5 Bxf4 21. Qxe6+ Kg7 22. Rxf4 Qxf4 23. Qxe7+ Rf7 24. f6+ Qxf6 25. Qxf6+ Rxf6 26. Kg1 Re8 27. Ne4 Rf4 28. Re1 g5 29. a3 1/2-1/2

[Event "Kiel op 13th"]
[Site "Kiel"]
[Date "2000.08.19"]
[Round "2"]
[White "Hansen, Torbjorn Ringdal"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2183"]
[PlyCount "39"]
[EventDate "2000.08.19"]
[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. e3 d5 5. cxd5 Nxd5 6. Bb5 Nxc3 7. bxc3 Bd7 8. d4 exd4 9. cxd4 Bb4+ 10. Bd2 Qe7 11. 0-0 Bxd2 12. Qxd2 0-0 13. Rab1 Rfd8 14. Rfc1 a6 15. Bd3 Rab8 16. Qb2 Bg4 17. Rxc6 Bxf3 18. gxf3 Rd5 19. Qc2 Re8 20. Rxc7 1-0

[Event "Kiel op 13th"]
[Site "Kiel"]
[Date "2000.08.19"]
[Round "1"]
[White "Zierott, Jan"]
[Black "Luckow, Rolf"]
[Result "1-0"]
[ECO "A22"]
[BlackElo "2090"]
[PlyCount "141"]
[EventDate "2000.08.19"]
[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 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 c6 5. Bg2 e5 6. Qb3 Nb6 7. Nf3 Be6 8. Qc2 f6 9. d3 N8d7 10. d4 Bd6 11. 0-0 0-0 12. Rd1 Qe7 13. dxe5 Bxe5 14. Nxe5 Nxe5 15. Bf4 Bf7 16. Be4 g6 17. g4 Rad8 18. h3 Rfe8 19. b3 Kg7 20. Rxd8 Rxd8 21. Rd1 Rxd1+ 22. Qxd1 Qc5 23. Qd2 Qe7 24. Bh6+ Kg8 25. Qd4 Be8 26. Bc2 Qd7 27. Qc5 Qf7 28. Ne4 Nc8 29. b4 b6 30. Qc3 Qe7 31. f4 Nd7 32. Qxc6 Qd8 33. Qd5+ Bf7 34. Qxd7 Qxd7 35. Nxf6+ Kh8 36. Nxd7 Bxa2 37. e4 a5 38. bxa5 bxa5 39. e5 Ne7 40. Nc5 Bc4 41. Bg5 Nc6 42. e6 Kg7 43. Bb3 Bxb3 44. Nxb3 a4 45. Nc1 a3 46. Na2 h6 47. Bh4 Nd4 48. e7 Kf7 49. Kf2 Ne6 50. f5 gxf5 51. gxf5 Nd4 52. f6 Ne6 53. Ke3 Nc7 54. Ke4 Ne6 55. Bf2 h5 56. Be3 h4 57. Kf5 Nc7 58. Bg5 Nb5 59. Bxh4 Nd4+ 60. Ke4 Ne6 61. Kf5 Nd4+ 62. Kg4 Ne6 63. Bf2 Nc7 64. h4 Ne8 65. Bd4 Nd6 66. Kf4 Ne8 67. Be5 Ke6 68. h5 Kf7 69. Kf5 Kg8 70. Kg6 Nxf6 71. Kxf6 1-0

[Event "Kiel op 13th"]
[Site "Kiel"]
[Date "2000.08.??"]
[Round "3"]
[White "Zierott, Jan"]
[Black "Hansen, Victor"]
[Result "1/2-1/2"]
[ECO "D10"]
[BlackElo "2159"]
[PlyCount "59"]
[EventDate "2000.08.19"]
[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 c6 2. Nc3 d5 3. cxd5 cxd5 4. d4 e6 5. Bf4 a6 6. a4 Nc6 7. Nf3 Bb4 8. e3 Nge7 9. Bd3 Ng6 10. Bg3 f5 11. 0-0 h5 12. h4 Be7 13. Ne2 Nxh4 14. Nf4 Nxf3+ 15. Qxf3 g5 16. Ng6 g4 17. Qe2 Rg8 18. Nxe7 Qxe7 19. f3 h4 20. Bf4 h3 21. fxg4 hxg2 22. Rf2 Rxg4 23. Rxg2 Nxd4 24. exd4 Rxf4 25. Qe5 Qh4 26. Rg8+ Ke7 27. Qg7+ Kd6 28. Qe5+ Ke7 29. Rg7+ Ke8 30. Rg8+ 1/2-1/2

[Event "Wichern op 5th"]
[Site "Hamburg"]
[Date "1999.10.22"]
[Round "9"]
[White "Zierott, Jan"]
[Black "Hansen, Torben"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "1653"]
[BlackElo "1440"]
[PlyCount "124"]
[EventDate "1999.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 Nc6 3. d4 d6 4. e4 e5 5. d5 Nd4 6. Be3 c5 7. dxc6 Nxc6 8. f3 Be7 9. Nge2 0-0 10. Ng3 Ne8 11. Bd3 Bh4 12. a3 Ne7 13. Nd5 Be6 14. 0-0 Bxg3 15. hxg3 f5 16. Qc2 g6 17. Bg5 Bxd5 18. Bxe7 Qxe7 19. cxd5 Qg5 20. Qf2 Ng7 21. f4 Qe7 22. Rae1 Rae8 23. Qxa7 Qd7 24. Qb6 Qe7 25. exf5 Nxf5 26. Bxf5 Rxf5 27. g4 Rf7 28. fxe5 Rxf1+ 29. Kxf1 Qf7+ 30. Kg1 Qxd5 31. e6 Qc5+ 32. Qxc5 dxc5 33. Re5 b6 34. Kf2 Kf8 35. Ke3 Ke7 36. Ke4 Rf8 37. Kd5 Rf2 38. Re3 Rxb2 39. Rf3 Rd2+ 40. Ke5 Re2+ 41. Kd5 Rxe6 42. Rb3 Re2 43. Rxb6 Rxg2 44. Rb7+ Kf6 45. Rxh7 Rxg4 46. Kxc5 Ra4 47. Rh3 g5 48. Kb5 g4 49. Rc3 Rf4 50. a4 Rf3 51. Rc8 Kg5 52. a5 g3 53. Rc5+ Kg4 54. Rc4+ Kh3 55. a6 g2 56. a7 g1Q 57. a8Q Rb3+ 58. Rb4 Qf1+ 59. Kc5 Rc3+ 60. Kb6 Qf6+ 61. Kb5 Qe5+ 62. Kb6 Qc5+ 0-1

[Event "Wichern op 5th"]
[Site "Hamburg"]
[Date "1999.10.21"]
[Round "8"]
[White "Dangelowski, Peter"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1830"]
[BlackElo "1653"]
[PlyCount "101"]
[EventDate "1999.10.15"]
[EventType "swiss"]
[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. Bf4 Nf6 3. e3 e6 4. Nd2 b6 5. Bd3 Ba6 6. Bxa6 Nxa6 7. c3 Qc8 8. Ngf3 Be7 9. Ne5 c6 10. g4 0-0 11. g5 Nd7 12. Qg4 Nxe5 13. dxe5 Nc5 14. Qe2 Qa6 15. Qxa6 Nxa6 16. 0-0-0 Nc5 17. Kc2 a5 18. f3 b5 19. Rhg1 a4 20. a3 Rfd8 21. Rg4 Na6 22. h4 g6 23. h5 c5 24. hxg6 fxg6 25. Rh1 Kg7 26. Bg3 b4 27. Nb1 bxa3 28. Nxa3 Rab8 29. Rxa4 Rb6 30. f4 c4 31. Rb1 Rdb8 32. Bf2 Nc5 33. Ra7 Kf8 34. e4 dxe4 35. Rxe7 Rxb2+ 36. Rxb2 Rxb2+ 37. Kxb2 Nd3+ 38. Kc2 Kxe7 39. Bg3 Kd7 40. Nxc4 Kc6 41. Kd2 Kc5 42. Ne3 Kb5 43. Ng4 Nb2 44. Nf6 Nc4+ 45. Ke2 e3 46. Nxh7 Kc5 47. Nf8 Kd5 48. Nxg6 Ke4 49. Nh4 Nb6 50. g6 Nd5 51. g7 1-0

[Event "Wichern op 5th"]
[Site "Hamburg"]
[Date "1999.10.20"]
[Round "7"]
[White "Zierott, Jan"]
[Black "Haack, Stefan"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1653"]
[BlackElo "1856"]
[PlyCount "98"]
[EventDate "1999.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 d6 3. d4 Bg7 4. Nf3 Nf6 5. e4 0-0 6. Be2 Nbd7 7. Bf4 c5 8. d5 Nh5 9. Bd2 Ndf6 10. h3 Ne8 11. Nh2 Nhf6 12. Rb1 a5 13. 0-0 e5 14. f4 exf4 15. Bxf4 Qe7 16. Bf3 Nd7 17. Ng4 Nb6 18. Qb3 Qd8 19. Nb5 a4 20. Qd3 Qe7 21. b3 Bd7 22. Nc3 g5 23. Bd2 Bc8 24. Ne2 Nd7 25. Ng3 Ne5 26. Nxe5 Bxe5 27. Nh5 Kh8 28. Bc3 f6 29. b4 b6 30. bxc5 bxc5 31. Rb6 Rg8 32. g4 Ng7 33. Nxg7 Rxg7 34. Rfb1 h5 35. Rb8 Rxb8 36. Rxb8 Qc7 37. Ra8 Qb7 38. Bxe5 Qxa8 39. Bxf6 Qb7 40. Qc3 Kg8 41. Bxg7 Qxg7 42. Qxg7+ Kxg7 43. e5 dxe5 44. a3 Kf6 45. Kf2 Ba6 46. Be2 hxg4 47. hxg4 e4 48. Ke3 Ke5 49. Bf1 Bc8 1/2-1/2

[Event "Wichern op 5th"]
[Site "Hamburg"]
[Date "1999.10.19"]
[Round "6"]
[White "Fliter, Irena"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "1824"]
[BlackElo "1653"]
[PlyCount "72"]
[EventDate "1999.10.15"]
[EventType "swiss"]
[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 Nc6 3. Bb5 Nf6 4. 0-0 a6 5. Ba4 d6 6. d3 Bg4 7. c3 b5 8. Bb3 Be7 9. Nbd2 0-0 10. Re1 Re8 11. Nf1 Na5 12. Bc2 c5 13. Ng3 d5 14. h3 Bxf3 15. Qxf3 d4 16. Nf5 Bf8 17. Bd1 h6 18. Qg3 Kh8 19. f4 Nc6 20. fxe5 Nxe5 21. Bf4 Ng6 22. Nd6 Bxd6 23. Bxd6 Rc8 24. Bf3 Re6 25. e5 Rxd6 26. exd6 Ne8 27. d7 Qxd7 28. Bg4 f5 29. Bh5 Nf8 30. Bxe8 Rxe8 31. Rxe8 Qxe8 32. Re1 Qd8 33. Qf3 Qf6 34. Re8 Kh7 35. Qd5 dxc3 36. bxc3 Ng6 1-0

[Event "Wichern op 5th"]
[Site "Hamburg"]
[Date "1999.10.18"]
[Round "5"]
[White "Zierott, Jan"]
[Black "Becker, Thomas2222"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "1653"]
[BlackElo "1935"]
[PlyCount "128"]
[EventDate "1999.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. a3 a5 4. Nf3 Nc6 5. e3 Be7 6. d4 exd4 7. exd4 d6 8. Bf4 Nh5 9. Be3 Nf6 10. Qc2 Bg4 11. Be2 Qd7 12. 0-0 Bf5 13. Bd3 Bxd3 14. Qxd3 0-0 15. Rfe1 Rfe8 16. Bg5 h6 17. Bxf6 Bxf6 18. Nd5 Re6 19. Nf4 Rxe1+ 20. Rxe1 g6 21. Qe4 Kf8 22. Nd5 Bg7 23. g4 Rc8 24. Nh4 Re8 25. Qxe8+ Qxe8 26. Rxe8+ Kxe8 27. Nxc7+ Kd7 28. Nd5 Nxd4 29. b4 axb4 30. axb4 b5 31. cxb5 Nxb5 32. Ng2 Nc7 33. Nge3 Nxd5 34. Nxd5 Kc6 35. Ne3 Kb5 36. Nc2 Bc3 37. Kf1 Bxb4 38. Ke2 Bc5 39. f3 Kc4 40. Ne1 d5 41. Nd3 Bd6 42. h3 d4 43. Kd2 Kd5 44. Ke2 Ke6 45. Nf2 f5 46. Nd3 Kf6 47. Kf2 Kg5 48. Kg2 h5 49. gxh5 Kxh5 50. Kf2 Kh4 51. Kg2 Kg5 52. Kf2 Kf6 53. Ke2 Bg3 54. Kf1 Bh4 55. Ke2 Bg5 56. Kf1 Be3 57. Ke2 Ke6 58. Nb4 Ke5 59. Nd3+ Kd5 60. Nb2 Kc5 61. Nd3+ Kd5 62. Nb2 g5 63. Nd3 Kc4 64. Ne5+ Kc3 1/2-1/2

[Event "Wichern op 5th"]
[Site "Hamburg"]
[Date "1999.10.17"]
[Round "4"]
[White "Smirnov, Andrej"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2000"]
[BlackElo "1653"]
[PlyCount "109"]
[EventDate "1999.10.15"]
[EventType "swiss"]
[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. Nf3 Nf6 3. c4 e6 4. g3 c6 5. Nbd2 b6 6. Bg2 Ba6 7. Qc2 Bd6 8. 0-0 0-0 9. b3 Nbd7 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 Bb7 13. Bb2 Nf6 14. Qe2 c5 15. Rad1 Qe7 16. dxc5 Bxc5 17. Ne5 Bxg2 18. Kxg2 Qb7+ 19. Qf3 Qxf3+ 20. Kxf3 Rfd8 21. Rd3 Rxd3+ 22. Nxd3 Be7 23. Ne5 Rc8 24. Rd1 Rc7 25. b4 Kf8 26. b5 Ne8 27. Nc6 f6 28. a4 e5 29. Rd5 Kf7 30. Ke2 Ke6 31. Kd3 Nd6 32. Bc3 e4+ 33. Ke2 Nxc4 34. Rd4 Nd6 35. Bb4 Rd7 36. g4 g6 37. Ke3 f5 38. Nxe7 Kxe7 39. gxf5 gxf5 40. Kf4 Ke6 41. Rxd6+ Rxd6 42. Bxd6 Kxd6 43. Kxf5 Kd5 44. Kf6 Kd4 45. Kf5 Kd5 46. Kf6 Kd4 47. h4 h5 48. Kg5 Kd3 49. Kf4 Kd4 50. Kf5 Kd5 51. Kg5 Ke5 52. Kxh5 Kf5 53. Kh6 Kg4 54. Kg6 Kxh4 55. Kf5 1-0

[Event "Wichern op 5th"]
[Site "Hamburg"]
[Date "1999.10.17"]
[Round "3"]
[White "Zierott, Jan"]
[Black "Nelki, Hans Joachim"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1653"]
[BlackElo "2100"]
[PlyCount "93"]
[EventDate "1999.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. d4 d5 4. cxd5 cxd5 5. Nf3 Nc6 6. e3 Bf5 7. a3 e6 8. b4 Bd6 9. Bd3 Bxd3 10. Qxd3 0-0 11. Nb5 Be7 12. 0-0 Ne4 13. Nd2 f5 14. f3 Nf6 15. f4 Rc8 16. Nb3 b6 17. Bd2 Qd7 18. Nc3 Ne4 19. Nxe4 fxe4 20. Qe2 Nd8 21. a4 Nb7 22. a5 b5 23. Nc5 Bxc5 24. bxc5 a6 25. Bb4 Rf7 26. Rac1 Nd8 27. Kh1 Nc6 28. Qd2 Rcf8 29. Rb1 g5 30. g3 g4 31. h3 gxh3 32. Qh2 e5 33. dxe5 Qg4 34. Bc3 Rg7 35. Qf2 Qf5 36. Kh2 h5 37. Qd2 Rd8 38. Rg1 Rgd7 39. Qe2 Qg4 40. Rb2 Kf7 41. Qxg4 hxg4 42. f5 Ke7 43. Bd4 Rb7 44. Rf1 b4 45. Rf4 Rg8 46. f6+ Ke6 47. Rf5 0-1

[Event "Wichern op 5th"]
[Site "Hamburg"]
[Date "1999.10.16"]
[Round "2.64"]
[White "Lindberg, Bengt"]
[Black "Zierott, Jan"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "2299"]
[BlackElo "1653"]
[PlyCount "69"]
[EventDate "1999.10.15"]
[EventType "swiss"]
[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 Nc6 3. Nc3 Nf6 4. Bb5 a6 5. Bxc6 dxc6 6. d3 Bc5 7. Qe2 Qe7 8. Nd1 Bg4 9. a3 a5 10. h3 Bh5 11. g4 Bg6 12. Ne3 0-0-0 13. Nc4 Nd7 14. Nxa5 h5 15. Rg1 hxg4 16. hxg4 f6 17. b4 Bb6 18. Nc4 Ba7 19. Be3 c5 20. b5 Bf7 21. Nfd2 Nb6 22. a4 Nxc4 23. Nxc4 Bxc4 24. dxc4 Rh2 25. a5 Qe6 26. Rd1 Rxd1+ 27. Kxd1 b6 28. a6 c6 29. Qd3 cxb5 30. cxb5 Qa2 31. Ke2 Qe6 32. g5 g6 33. gxf6 Qxf6 34. Qd5 Rh7 35. Qg8+ 1-0

[Event "Wichern op 5th"]
[Site "Hamburg"]
[Date "1999.10.15"]
[Round "1"]
[White "Zierott, Jan"]
[Black "Bruemmel, Arend"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "1653"]
[BlackElo "2145"]
[PlyCount "79"]
[EventDate "1999.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. d5 a5 8. 0-0 Na6 9. Ne1 Nc5 10. Qc2 Bd7 11. b3 c6 12. Be3 Qc7 13. f3 Rfc8 14. Nd3 cxd5 15. Nxc5 dxc5 16. cxd5 Ne8 17. Nb5 Qb6 18. Qc4 Bf8 19. Rac1 Nd6 20. Nxd6 Bxd6 21. f4 Qc7 22. f5 b5 23. Qd3 gxf5 24. exf5 f6 25. Qe4 a4 26. Qg4+ Kh8 27. Qh4 Qd8 28. Rf3 Qe7 29. Rg3 axb3 30. axb3 Rg8 31. Rxg8+ Rxg8 32. Ra1 Qg7 33. g3 Bxf5 34. Bxb5 Bc8 35. Rc1 Qe7 36. Bh6 e4 37. Bf4 Bg4 38. Bxd6 Qxd6 39. Re1 f5 40. Bc4 1-0

