[Event "Hessenliga 1617"]
[Site "Hessen"]
[Date "2017.01.15"]
[Round "5.8"]
[White "Zwirner, Jan"]
[Black "Merkle, Egon"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1967"]
[BlackElo "2160"]
[PlyCount "52"]
[EventDate "2016.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Bad Homburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 d6 6. 0-0 Nc6 7. c3 Be7 8. Nd2 0-0 9. Kh1 e5 10. Nf5 Bxf5 11. exf5 d5 12. f3 Re8 13. g4 h6 14. Qe2 Bc5 15. Qg2 e4 16. fxe4 dxe4 17. Bxe4 Ne5 18. Nb3 Nxe4 19. Qxe4 Nd3 20. Qf3 Bb6 21. f6 Ne1 22. Qf5 g6 23. Bxh6 gxf5 24. Rxf5 Qd3 25. Rg5+ Kh7 26. Rh5 Qf1# 0-1

[Event "Hessenliga 1617"]
[Site "Hessen"]
[Date "2016.09.18"]
[Round "1.8"]
[White "Reinert, Stephane"]
[Black "Zwirner, Jan"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2113"]
[BlackElo "1967"]
[PlyCount "51"]
[EventDate "2016.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Bad Nauheim"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bd6 5. b3 0-0 6. Bb2 Nbd7 7. Nbd2 Re8 8. Ne5 c5 9. f4 cxd4 10. exd4 Qa5 11. 0-0 Bb4 12. Ndf3 h6 13. Qe2 Bc3 14. Bxc3 Qxc3 15. Rad1 Nb8 16. g4 Nc6 17. g5 Nxd4 18. Nxd4 Qxd4+ 19. Kh1 Ne4 20. Bb5 Nc3 21. Rxd4 Nxe2 22. Bxe2 f6 23. gxf6 gxf6 24. Rg1+ Kf8 25. Ng6+ Kf7 26. Bh5 1-0

[Event "Hessenliga 1516"]
[Site "Germany"]
[Date "2016.03.06"]
[Round "8.7"]
[White "Schupp, Uwe"]
[Black "Zwirner, Jan"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2067"]
[BlackElo "1967"]
[PlyCount "51"]
[EventDate "2015.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Gernsheim"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. g3 e5 2. Bg2 Nf6 3. d3 d5 4. c4 c6 5. Qa4 Be6 6. cxd5 Bxd5 7. Nf3 e4 8. dxe4 Nxe4 9. 0-0 Bc5 10. Ne5 0-0 11. Bxe4 Bxe4 12. Qxe4 Re8 13. Qf4 Qd5 14. Nd3 Rxe2 15. Nxc5 Qxc5 16. Nc3 Re7 17. Be3 Qa5 18. a3 Na6 19. Rfd1 Rae8 20. Rd2 Nc7 21. b4 Qa6 22. Qd4 b6 23. Qd3 Qb7 24. Rad1 Ne6 25. Ne4 h6 26. Nd6 1-0

[Event "Hessenliga 1516"]
[Site "Germany"]
[Date "2015.11.22"]
[Round "3.7"]
[White "Malzahn, Sven"]
[Black "Zwirner, Jan"]
[Result "1/2-1/2"]
[ECO "A31"]
[WhiteElo "2052"]
[BlackElo "1967"]
[PlyCount "64"]
[EventDate "2015.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Dotzheim"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 d6 6. g3 Nc6 7. Bg2 Bd7 8. 0-0 Bg7 9. Bg5 0-0 10. Nc2 Qb6 11. Bxf6 Bxf6 12. Nd5 Qxb2 13. Rb1 Qxa2 14. Rxb7 Be8 15. Nxf6+ exf6 16. Ne3 Qa6 17. Rb1 Rd8 18. Ng4 Ne5 19. Nxf6+ Kg7 20. Nd5 Qxc4 21. Rc1 Qg4 22. h3 Qa4 23. Qd2 h6 24. Qb2 Bc6 25. f4 Rb8 26. Qa1 Qxa1 27. Rxa1 Nc4 28. Rfc1 Bxd5 29. Bxd5 Nb6 30. Bf3 Rfc8 31. Rd1 Rc7 32. Rxd6 Re8 1/2-1/2

[Event "Hessenliga 1516"]
[Site "Germany"]
[Date "2015.11.08"]
[Round "2.8"]
[White "Voellinger, Florian"]
[Black "Zwirner, Jan"]
[Result "0-1"]
[ECO "D58"]
[WhiteElo "1803"]
[BlackElo "1967"]
[PlyCount "42"]
[EventDate "2015.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Dettingen"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 0-0 7. Nf3 b6 8. a3 Bb7 9. Be2 dxc4 10. Bxc4 Nbd7 11. b4 c5 12. dxc5 bxc5 13. b5 Qa5 14. Qb3 g5 15. Nxg5 Nd5 16. Nxe6 Nxc3 17. Nxf8 Ne4+ 18. Ke2 Qd2+ 19. Kf3 Bxh4 20. Ng6 Qxf2+ 21. Kg4 Ndf6+ 0-1

[Event "Hessenliga 1415"]
[Site "Hessen"]
[Date "2015.03.22"]
[Round "8.8"]
[White "Schmidt, Volker"]
[Black "Zwirner, Jan"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "1967"]
[BlackElo "1967"]
[PlyCount "38"]
[EventDate "2014.09.28"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Dotzheim"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nf6 5. Nf3 0-0 6. 0-0 Nc6 7. d3 Rb8 8. Rb1 a6 9. Bf4 d6 10. Qc1 b5 11. Bh6 bxc4 12. Bxg7 Kxg7 13. dxc4 Bf5 14. Ra1 Rb4 15. Re1 Nd4 16. Nxd4 cxd4 17. Nd5 Nxd5 18. cxd5 Qb6 19. b3 Rc8 1/2-1/2

[Event "Hessenliga 1415"]
[Site "Hessen"]
[Date "2015.02.08"]
[Round "6.7"]
[White "Zwirner, Jan"]
[Black "Kroth, Manfred"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1967"]
[PlyCount "84"]
[EventDate "2014.09.28"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Bad Homburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. 0-0 Nbd7 9. a4 Be7 10. Be3 0-0 11. Bf3 Nb6 12. Nd2 Rc8 13. a5 Nc4 14. Nxc4 Bxc4 15. Bb6 Qd7 16. Re1 Qc6 17. Rc1 Be6 18. Qd2 Bd8 19. Bxd8 Rfxd8 20. Nd1 d5 21. exd5 Bxd5 22. Bxd5 Rxd5 23. Qb4 Qc7 24. Re3 Rb5 25. Qh4 Qxa5 26. c3 Rd5 27. Rg3 Qd8 28. Ne3 Rd3 29. Qg5 Ne8 30. Qxe5 Qc7 31. Qg5 Rcd8 32. h3 h6 33. Qg4 Qd7 34. Qf4 Qd6 35. Qe4 Qd7 36. Re1 Nf6 37. Qh4 Kh7 38. Qb4 Re8 39. Qb3 Kh8 40. Rd1 Rxd1+ 41. Qxd1 Qxd1+ 42. Nxd1 Re1+ 0-1

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2013.01.13"]
[Round "5.8"]
[White "Zwirner, Jan"]
[Black "Schulz, Uwe"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "1985"]
[BlackElo "1862"]
[PlyCount "65"]
[EventDate "2012.09.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Jena Schott"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 d6 9. Qd2 Bd7 10. 0-0-0 Ne5 11. Bb3 Rc8 12. h4 h5 13. Bg5 Nc4 14. Qe2 b5 15. Ndxb5 Bxb5 16. Nxb5 Nxb2 17. e5 Nxd1 18. Rxd1 Qa5 19. exf6 exf6 20. Bd2 Qa6 21. Bc3 Rc5 22. Nd4 Qc8 23. Bb2 Bh6+ 24. Kb1 Re8 25. Qd3 f5 26. Nb5 Re3 27. Qxd6 Rxb3 28. axb3 Kh7 29. Qf6 Qe8 30. Rd8 Qe1+ 31. Ka2 Qa5+ 32. Na3 Qxa3+ 33. Kxa3 1-0

[Event "Staufer op 25th"]
[Site "Schwaebisch Gmuend"]
[Date "2013.01.04"]
[Round "5"]
[White "Brem, Stephan"]
[Black "Zwirner, Jan"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2095"]
[BlackElo "1985"]
[PlyCount "45"]
[EventDate "2013.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 c5 3. e3 Nc6 4. Bb5 Bd7 5. f4 e6 6. Nf3 Nf6 7. Bxc6 Bxc6 8. Ne5 Rc8 9. d3 b5 10. 0-0 Bb7 11. a4 a6 12. Qe1 b4 13. Nd2 a5 14. Qg3 Nd7 15. Qh3 Nxe5 16. Bxe5 Qe7 17. f5 f6 18. fxe6 fxe5 19. Rf7 Qg5 20. Rxb7 d4 21. e7 Qxe3+ 22. Qxe3 dxe3 23. exf8Q+ 1-0

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2012.11.11"]
[Round "3.7"]
[White "Zwirner, Jan"]
[Black "Kuenstler, Christian"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1985"]
[BlackElo "2094"]
[PlyCount "62"]
[EventDate "2012.09.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f3 e6 7. Be3 a6 8. Qd2 Qc7 9. 0-0-0 Bd7 10. Be2 Nxd4 11. Qxd4 b5 12. f4 Bc6 13. Bf3 Be7 14. Rhf1 0-0 15. g4 Qb7 16. g5 b4 17. Nd5 exd5 18. exd5 Bb5 19. gxf6 Bxf6 20. Qxb4 a5 21. Qb3 Rab8 22. Rg1 Rfc8 23. Bd4 Bxd4 24. Rxd4 Qe7 25. Be4 f5 26. Bxf5 Bd7 27. Re4 Qf8 28. Qxb8 Qxf5 29. Qxd6 Qxe4 30. Rxg7+ Kh8 31. Rg8+ Kxg8 0-1

[Event "Bayern-ch U16"]
[Site "Bad Urach"]
[Date "2002.02.11"]
[Round "5.2"]
[White "Bolay, Stephan"]
[Black "Zwirner, Jan"]
[Result "1-0"]
[ECO "B84"]
[PlyCount "115"]
[EventDate "2002.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. f4 Be7 8. 0-0 b5 9. Bf3 Bb7 10. e5 Bxf3 11. Qxf3 dxe5 12. Qxa8 exd4 13. Ne2 Qb6 14. Kh1 0-0 15. Qf3 Qc5 16. c3 dxc3 17. Nxc3 Qc4 18. b3 Qc6 19. Bb2 Rd8 20. Rad1 Rxd1 21. Nxd1 Nd5 22. Nc3 Nxc3 23. Qxc3 Bf6 24. Qxc6 Nxc6 25. Bxf6 gxf6 26. g3 Nb4 27. a4 Nd3 28. axb5 axb5 29. Rf3 Nb4 30. Rc3 Nd5 31. Rc8+ Kg7 32. Kg1 b4 33. Kf2 f5 34. Rb8 f6 35. Rb7+ Kg6 36. Rb5 h5 37. h4 Kf7 38. Ke1 Ne3 39. Ke2 Nd5 40. Kd3 Ke7 41. Rb7+ Kd6 42. Rh7 e5 43. fxe5+ fxe5 44. Rxh5 e4+ 45. Kd4 Ke6 46. g4 Ne7 47. gxf5+ Nxf5+ 48. Rxf5 Kxf5 49. Ke3 Kg4 50. Kxe4 Kxh4 51. Kd4 Kg5 52. Kc4 Kf6 53. Kxb4 Ke6 54. Kc5 Kd7 55. Kb6 Kc8 56. b4 Kb8 57. b5 Kc8 58. Ka7 1-0

[Event "Bayern-ch U16"]
[Site "Bad Urach"]
[Date "2002.02.11"]
[Round "4.1"]
[White "Zwirner, Jan"]
[Black "Bacher, Simon"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "80"]
[EventDate "2002.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. cxd5 exd5 5. Bg5 Be7 6. g3 h6 7. Bd2 0-0 8. Bg2 c6 9. Nf3 Bf5 10. 0-0 Nbd7 11. Qb3 Nb6 12. Na4 Nxa4 13. Qxa4 Re8 14. Qb3 Qc8 15. Ne5 Bd6 16. Bf4 Bh3 17. Nd3 Bxg2 18. Kxg2 Bxf4 19. Nxf4 g5 20. Nd3 Rxe2 21. Ne5 Nd7 22. Qf3 Rxe5 23. dxe5 Nxe5 24. Qf6 Ng6 25. Rfe1 Qd7 26. Re3 Re8 27. Rae1 Rxe3 28. Rxe3 Kf8 29. Rb3 b6 30. f4 gxf4 31. gxf4 Qg4+ 32. Kf2 Qxf4+ 33. Qxf4 Nxf4 34. Rf3 Ne6 35. Ra3 a5 36. Rc3 Nc5 37. a3 Ne4+ 38. Ke3 Nxc3 39. bxc3 Ke7 40. Kf4 Ke6 0-1

[Event "Bayern-ch U16"]
[Site "Bad Urach"]
[Date "2002.02.10"]
[Round "2.3"]
[White "Wolf, Peter1111"]
[Black "Zwirner, Jan"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "90"]
[EventDate "2002.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Bb5+ Nd7 4. d3 a6 5. Ba4 b5 6. Bb3 Bb7 7. a3 Ngf6 8. Nf3 e6 9. Qe2 Qc7 10. 0-0 Be7 11. Bf4 0-0 12. Rad1 Rac8 13. Ba2 Rfd8 14. b3 Qa5 15. Nb1 d5 16. Nfd2 dxe4 17. dxe4 Qb6 18. Kh1 Qc6 19. f3 Bd6 20. e5 Nd5 21. Bg3 Bc7 22. Rc1 b4 23. a4 a5 24. c4 bxc3 25. Nxc3 Nxc3 26. Rxc3 Ba6 27. Nc4 Nb6 28. Bb1 Nxc4 29. bxc4 Qxa4 30. Qc2 Qxc2 31. Bxc2 Rd4 32. Bb3 Rcd8 33. h3 Rd3 34. Rfc1 g5 35. h4 h6 36. Kh2 Kg7 37. Kh3 Kg6 38. Rxd3 Rxd3 39. Bc2 Bxc4 40. Bxd3+ Bxd3 41. Rxc5 Bb6 42. Rc8 a4 43. hxg5 hxg5 44. Rg8+ Kh6 45. Kg4 Bf5# 0-1

[Event "Bayern-ch U16"]
[Site "Bad Urach"]
[Date "2002.02.10"]
[Round "3.2"]
[White "Zwirner, Jan"]
[Black "Rudner, Benjamin"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "59"]
[EventDate "2002.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 b6 2. d4 c6 3. Nc3 Nf6 4. g3 d5 5. cxd5 cxd5 6. Bg2 e6 7. Bg5 Be7 8. Nf3 Nfd7 9. Bf4 0-0 10. 0-0 Bb7 11. Nb5 Na6 12. Rc1 Rc8 13. Rxc8 Qxc8 14. Nxa7 Qc4 15. b3 Qc3 16. Nb5 Qb2 17. Qd2 Ba3 18. Qxb2 Bxb2 19. Rb1 Rc8 20. Rxb2 f6 21. Nd6 Rb8 22. Nxb7 Rxb7 23. Rc2 Nb4 24. Rc8+ Kf7 25. a4 e5 26. dxe5 fxe5 27. Nxe5+ Nxe5 28. Bxe5 g6 29. Bc3 Na2 30. Bxd5+ 1-0

[Event "Bayern-ch U16"]
[Site "Bad Urach"]
[Date "2002.02.09"]
[Round "1.5"]
[White "Erata, Abdullah"]
[Black "Zwirner, Jan"]
[Result "0-1"]
[ECO "B51"]
[PlyCount "61"]
[EventDate "2002.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. Bxd7+ Bxd7 5. d4 cxd4 6. Qxd4 Qc7 7. Nc3 e6 8. 0-0 Nf6 9. Bg5 Be7 10. Rfd1 Bc6 11. Rac1 a6 12. a4 h6 13. Bxf6 Bxf6 14. Qxd6 Qxd6 15. Rxd6 Bxc3 16. bxc3 Bxa4 17. Nd4 e5 18. Ra1 exd4 19. Rxa4 dxc3 20. Rc4 Ke7 21. Rd5 Rac8 22. Rdc5 Rxc5 23. Rxc5 Rd8 24. f3 Rd1+ 25. Kf2 Rd2+ 26. Kf1 Rxc2 27. Rc7+ Kd8 28. Rxb7 Rb2 29. Rxf7 c2 30. Kf2 c1Q+ 31. Kg3 0-1

[Event "Wuerttemberg-ch U14"]
[Site "Wuerttemberg"]
[Date "2001.02.26"]
[Round "4.3"]
[White "Kracke, Moritz"]
[Black "Zwirner, Jan"]
[Result "0-1"]
[ECO "B95"]
[BlackElo "1301"]
[PlyCount "98"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Bc4 b6 8. 0-0 Bb7 9. Re1 Qc7 10. Qd3 Nbd7 11. Rad1 Ne5 12. Qe2 Qxc4 13. Qd2 Be7 14. b3 Qc7 15. Re3 0-0 16. Rg3 Bxe4 17. Bh6 Bg6 18. Nce2 Ne4 19. Qe3 Nxg3 20. Nxg3 gxh6 21. Qxh6 Qd8 22. f4 Ng4 23. Qh3 Ne3 24. Rd2 Bf6 25. Qh6 Bxd4 26. Rxd4 Nf5 27. Nxf5 Bxf5 28. Rd2 Qc7 29. Rf2 Bxc2 30. Rf3 Qc5+ 31. Kf1 Bg6 32. h4 Qc1+ 33. Kf2 Qd2+ 34. Kg3 Qd5 35. Kh3 Qf5+ 36. Kh2 Qh5 37. Qxh5 Bxh5 38. Rg3+ Bg6 39. h5 d5 40. hxg6 hxg6 41. Rd3 Rfd8 42. Kg3 d4 43. Kg4 Rac8 44. Kg5 Kg7 45. g4 f6+ 46. Kh4 Rc3 47. Rd2 d3 48. f5 g5+ 49. Kh5 Rh8# 0-1

[Event "Wuerttemberg-ch U14"]
[Site "Wuerttemberg"]
[Date "2001.02.26"]
[Round "5.2"]
[White "Zwirner, Jan"]
[Black "Wolf, Peter"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1301"]
[BlackElo "1172"]
[PlyCount "45"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e5 2. d3 Nc6 3. a3 Nf6 4. Nd2 d5 5. cxd5 Qxd5 6. e3 Bc5 7. b4 Bb6 8. Bb2 a6 9. Ngf3 0-0 10. Be2 Rd8 11. h3 Ne8 12. 0-0 Nd6 13. Qc2 Re8 14. Rfd1 e4 15. dxe4 Nxe4 16. Nc4 Qf5 17. Bd3 Qg6 18. Nfe5 Qg5 19. Bxe4 Nxe5 20. Nxe5 g6 21. Nf3 Qh6 22. Qc3 c6 23. Qh8# 1-0

[Event "Wuerttemberg-ch U14"]
[Site "Wuerttemberg"]
[Date "2001.02.25"]
[Round "2.3"]
[White "Benz, Alexander"]
[Black "Zwirner, Jan"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1205"]
[BlackElo "1301"]
[PlyCount "55"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Bd3 b6 7. 0-0 Bb7 8. Re1 Nbd7 9. Bg5 h6 10. Bxf6 Nxf6 11. a4 e6 12. b4 Qc7 13. Nce2 Nxe4 14. Rc1 Nc3 15. Qd2 Nxe2+ 16. Bxe2 Be7 17. c4 Qd7 18. b5 axb5 19. c5 bxc5 20. Bxb5 cxd4 21. Bxd7+ Kxd7 22. Qxd4 Bf6 23. Qd3 Rxa4 24. Qb5+ Kd8 25. Qxa4 Bg5 26. Rb1 Kc7 27. Qa7 Rb8 28. Re2 1-0

[Event "Wuerttemberg-ch U14"]
[Site "Wuerttemberg"]
[Date "2001.02.25"]
[Round "3.5"]
[White "Zwirner, Jan"]
[Black "Ostertag, Stephan"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1301"]
[PlyCount "93"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 d6 5. Nbd2 Bg4 6. h3 Bxf3 7. Nxf3 d5 8. cxd5 Nxd5 9. b3 Be7 10. Bb2 f6 11. e3 0-0 12. Be2 Bd6 13. 0-0 Qe7 14. Qc2 Nb6 15. Rfd1 Rad8 16. d4 e4 17. Nd2 f5 18. Nc4 Rf6 19. Nxb6 cxb6 20. d5 Ne5 21. Bc4 Nf3+ 22. gxf3 Rg6+ 23. Kf1 Qg5 24. fxe4 f4 25. exf4 Bxf4 26. d6+ Kf8 27. d7 Qg2+ 28. Ke2 Rh6 29. Be6 Rxe6 30. Rd4 Rd6 31. Rxd6 Bxd6 32. e5 Bc5 33. Qf5+ Ke7 34. e6 Kd6 35. Rd1+ Kc7 36. Be5+ Kc6 37. Qf3+ Qxf3+ 38. Kxf3 Rf8+ 39. Ke4 Rd8 40. Bxg7 Be7 41. f4 a5 42. f5 Bxa3 43. f6 b5 44. e7 Bxe7 45. fxe7 Rxd7 46. e8Q Kc5 47. Qxd7 1-0

[Event "Wuerttemberg-ch U14"]
[Site "Wuerttemberg"]
[Date "2001.02.24"]
[Round "1.1"]
[White "Zwirner, Jan"]
[Black "Ceglarz, Michael"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1301"]
[BlackElo "913"]
[PlyCount "40"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. d4 Bg7 4. Nc3 d6 5. e3 0-0 6. Be2 c5 7. 0-0 cxd4 8. exd4 d5 9. Be3 Nc6 10. Rc1 Be6 11. Qb3 Na5 12. Qb4 dxc4 13. Ne5 Qc7 14. Nb5 Qd8 15. Bxc4 Bxc4 16. Nxc4 Nxc4 17. Rxc4 Nd5 18. Qc5 b6 19. Qa3 a6 20. Nc3 b5 1/2-1/2

[Event "Wuerttemberg-ch U12"]
[Site "Germany"]
[Date "1999.04.10"]
[Round "7"]
[White "Zwirner, Jan"]
[Black "Mijatovic, Vladimir"]
[Result "0-1"]
[ECO "A22"]
[PlyCount "74"]
[EventDate "1999.04.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. d3 Nc6 3. Nc3 Nf6 4. e4 Bc5 5. Nf3 d6 6. h3 0-0 7. g3 Be6 8. Bg2 Qd7 9. Ng5 h6 10. Nxe6 Qxe6 11. Nd5 Nxd5 12. cxd5 Qf6 13. 0-0 Nd4 14. Be3 c6 15. dxc6 Nxc6 16. Bxc5 dxc5 17. Qb3 b6 18. f4 exf4 19. Rxf4 Nd4 20. Qd1 Qe5 21. b3 Ne2+ 22. Qxe2 Qxa1+ 23. Qf1 Qxf1+ 24. Rxf1 Rad8 25. Rd1 Rd4 26. Bf1 Rfd8 27. Kf2 Rxe4 28. dxe4 Rxd1 29. a4 Kf8 30. Bc4 Ke7 31. Ke2 Rd4 32. Ke3 f6 33. Bd5 g5 34. h4 Kd6 35. Kf3 Ke5 36. hxg5 hxg5 37. g4 Rd3+ 0-1

[Event "Wuerttemberg-ch U12"]
[Site "Germany"]
[Date "1999.04.09"]
[Round "6"]
[White "Modrzejewski, Dominik"]
[Black "Zwirner, Jan"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "54"]
[EventDate "1999.04.06"]
[EventType "swiss"]
[EventRounds "7"]
[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. Bb5+ Nbd7 5. d3 a6 6. Ba4 b5 7. Bb3 Bb7 8. Bg5 Qc7 9. 0-0 e6 10. a3 Be7 11. Re1 0-0 12. h3 h6 13. Bh4 Rac8 14. Qd2 Rfe8 15. Rad1 Nb6 16. e5 Bxf3 17. gxf3 dxe5 18. Qe2 Nbd7 19. Bg3 Qc6 20. Kg2 Bd6 21. h4 Nh5 22. Bh2 Nf4+ 23. Bxf4 exf4 24. Qe4 Nf6 25. Qxc6 Rxc6 26. a4 b4 27. a5 bxc3 0-1

[Event "Wuerttemberg-ch U12"]
[Site "Germany"]
[Date "1999.04.09"]
[Round "5"]
[White "Zwirner, Jan"]
[Black "Narr, Kevin"]
[Result "0-1"]
[ECO "A30"]
[PlyCount "52"]
[EventDate "1999.04.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nf6 3. Bg2 d5 4. Qb3 e6 5. Nc3 Nc6 6. a3 Nd4 7. Qd1 b6 8. e3 Nf5 9. cxd5 exd5 10. Nge2 Bb7 11. 0-0 Bd6 12. d4 c4 13. b3 Rc8 14. Bb2 Be7 15. Bh3 Qd7 16. Nf4 g6 17. Qf3 Rd8 18. g4 Nh4 19. Qg3 g5 20. Ng2 Ng6 21. bxc4 dxc4 22. f3 Bd6 23. Qf2 0-0 24. f4 h5 25. fxg5 hxg4 26. Qxf6 Be7 0-1

[Event "Wuerttemberg-ch U12"]
[Site "Germany"]
[Date "1999.04.08"]
[Round "4"]
[White "Nolting, Christoph"]
[Black "Zwirner, Jan"]
[Result "1/2-1/2"]
[ECO "B50"]
[PlyCount "15"]
[EventDate "1999.04.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 d6 3. Bc4 Nf6 4. Nc3 Nbd7 5. d3 a6 6. 0-0 b5 7. Bb3 Bb7 8. Re1 1/2-1/2

[Event "Wuerttemberg-ch U12"]
[Site "Germany"]
[Date "1999.04.07"]
[Round "2"]
[White "Saur, Michael"]
[Black "Zwirner, Jan"]
[Result "1-0"]
[ECO "B56"]
[PlyCount "43"]
[EventDate "1999.04.06"]
[EventType "swiss"]
[EventRounds "7"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nbd7 6. Be3 Qc7 7. Ndb5 Qb8 8. Nd5 Nxd5 9. exd5 a6 10. Nc3 b5 11. Be2 Qc7 12. 0-0 Bb7 13. Qd4 Qc5 14. Qg4 Nf6 15. Bxc5 Nxg4 16. Bxd6 Nf6 17. Bc5 Nxd5 18. Bf3 Nxc3 19. Bxb7 Rb8 20. Bc6+ Kd8 21. bxc3 Rc8 22. Bb6+ 1-0

[Event "Wuerttemberg-ch U12"]
[Site "Germany"]
[Date "1999.04.07"]
[Round "3"]
[White "Zwirner, Jan"]
[Black "Kostka, Matthias"]
[Result "1-0"]
[ECO "A22"]
[PlyCount "71"]
[EventDate "1999.04.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. d3 Nf6 3. Nc3 Bb4 4. Bd2 0-0 5. a3 Bxc3 6. Bxc3 Re8 7. Nf3 Nc6 8. b4 d5 9. cxd5 Qxd5 10. Nd2 Qd6 11. e3 e4 12. Bxf6 Qxf6 13. Nxe4 Qe5 14. Be2 a5 15. Rb1 axb4 16. axb4 Nxb4 17. Rxb4 Ra1 18. Rb1 Ra7 19. 0-0 Rd8 20. Ng3 Qg5 21. d4 c5 22. dxc5 Rxd1 23. Rfxd1 h5 24. c6 h4 25. c7 hxg3 26. Rd8+ Kh7 27. Bd3+ g6 28. Rxc8 gxh2+ 29. Kxh2 Qh4+ 30. Kg1 Qg4 31. Rd8 b6 32. c8Q Qxc8 33. Rxc8 Rb7 34. Rc6 Rd7 35. Be4 Rc7 36. Rxc7 1-0

[Event "Wuerttemberg-ch U12"]
[Site "Germany"]
[Date "1999.04.06"]
[Round "1"]
[White "Zwirner, Jan"]
[Black "Loerincz, Benjamin"]
[Result "1-0"]
[ECO "A25"]
[PlyCount "111"]
[EventDate "1999.04.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. d3 d6 3. Nc3 Nc6 4. g3 Nf6 5. Bg2 Be7 6. e4 Be6 7. Nge2 0-0 8. 0-0 Nd4 9. Be3 c5 10. f4 exf4 11. Rxf4 Rb8 12. Nxd4 cxd4 13. Bxd4 Qd7 14. Qe2 a6 15. e5 dxe5 16. Bxe5 Bd6 17. Bxd6 Qxd6 18. Ne4 Qd4+ 19. Kh1 Nxe4 20. Bxe4 Qd6 21. Qh5 f5 22. Bxf5 Qc6+ 23. Be4 g6 24. Rxf8+ Rxf8 25. Bxc6 gxh5 26. Bxb7 a5 27. Kg2 Rd8 28. Be4 Kf7 29. Bxh7 Kf6 30. Rf1+ Kg5 31. h4+ Kh6 32. Be4 Kg7 33. Rf4 Bg4 34. Kf2 Rb8 35. b3 a4 36. Ke3 axb3 37. axb3 Rxb3 38. Bf3 Bxf3 39. Rxf3 Kg6 40. Ke4 Rb6 41. Kd5 Rb8 42. c5 Rc8 43. d4 Rc7 44. Kc4 Rc8 45. d5 Rc7 46. d6 Rf7 47. Rxf7 Kxf7 48. Kd5 Kf6 49. c6 Kf5 50. c7 Kg4 51. c8Q+ Kxg3 52. d7 Kxh4 53. d8Q+ Kg3 54. Qc3+ Kg4 55. Qg8+ Kf5 56. Qe5# 1-0

[Event "Westfalen-ch U11"]
[Site "Germany"]
[Date "1998.??.??"]
[Round "?"]
[White "Capelja, Christian"]
[Black "Zwirner, Jan"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "86"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. Bf4 0-0 5. e3 d6 6. Bd3 c5 7. dxc5 dxc5 8. 0-0 Nc6 9. h3 b6 10. Qd2 Bb7 11. Rfe1 Nb4 12. e4 c4 13. a3 Nxd3 14. cxd3 Qxd3 15. Qxd3 cxd3 16. e5 Nd5 17. Nxd5 Bxd5 18. Rad1 Bxf3 19. gxf3 Rfd8 20. Re3 d2 21. Rb3 Rd7 22. Re3 e6 23. Re2 Rd3 24. Kg2 Rad8 25. Rdxd2 Rxd2 26. Rxd2 Rxd2 27. Bxd2 Bxe5 28. Bc3 Bxc3 29. bxc3 Kg7 30. f4 Kf6 31. Kf3 Kf5 32. h4 h5 33. c4 a6 34. a4 a5 35. Ke3 e5 36. fxe5 Kxe5 37. f4+ Ke6 38. Ke4 f5+ 39. Kd4 Kd6 40. Kc3 Kc5 41. Kd3 Kb4 42. Kc2 Kxc4 43. Kb2 Kb4 0-1

[Event "Westfalen-ch U11"]
[Site "Germany"]
[Date "1998.??.??"]
[Round "?"]
[White "Lurtz, Helmut"]
[Black "Zwirner, Jan"]
[Result "0-1"]
[ECO "C26"]
[PlyCount "50"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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. d3 e5 4. f3 Bb4 5. Bd2 0-0 6. Nxd5 Bxd2+ 7. Qxd2 Nxd5 8. exd5 Qxd5 9. Ne2 Nc6 10. a3 Be6 11. Nc3 Qd4 12. Be2 Rad8 13. Nb5 Qb6 14. c4 a6 15. Nc3 Nd4 16. Rb1 Bf5 17. Kd1 Nxe2 18. Nxe2 Rxd3 19. c5 Qb3+ 20. Ke1 Rxd2 21. Kxd2 Bxb1 22. Rxb1 Rd8+ 23. Ke1 Qe3 24. Rc1 Rd2 25. Rc2 Qxe2# 0-1

[Event "Westfalen-ch U11"]
[Site "Germany"]
[Date "1998.??.??"]
[Round "?"]
[White "Modrzejewski, Dominik"]
[Black "Zwirner, Jan"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "142"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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. e5 d4 4. Nce2 Nfd7 5. e6 Nf6 6. exf7+ Kxf7 7. d3 Nc6 8. Nf3 e5 9. Bg5 Be7 10. c3 dxc3 11. Nxc3 Bg4 12. Be2 Qd7 13. 0-0 Rad8 14. Qb3+ Be6 15. Qxb7 Kf8 16. h3 Rb8 17. Qa6 Rxb2 18. Rab1 Rxb1 19. Rxb1 Nd5 20. Bxe7+ Ndxe7 21. Nd2 Qd6 22. Nb5 Qd8 23. Nxa7 Qa8 24. Bf3 Qxa7 25. Qxa7 Nxa7 26. Rb7 Nac8 27. Rxc7 Bxa2 28. Bb7 Kf7 29. Ne4 Bb1 30. Nc5 Rd8 31. Be4 Nd6 32. Bxh7 Rc8 33. Rxc8 Ndxc8 34. Kh2 g6 35. Nb3 Bxd3 36. Bxg6+ Nxg6 37. Nc5 Bc4 38. Nb7 e4 39. Nc5 Bd3 40. Nxe4 Bxe4 41. f3 Bd5 42. Kg3 Be6 43. f4 Kf6 44. Kf3 Kf5 45. g3 Bd5+ 46. Ke3 Bg2 47. g4+ Kf6 48. f5 Ne5 49. Kf4 Bxh3 50. g5+ Kf7 51. Kxe5 Ne7 52. f6 Ng6+ 53. Ke4 Ke6 54. f7 Kxf7 55. Kd5 Nh8 56. Ke5 Kg6 57. Kf4 Nf7 58. Ke4 Kxg5 59. Kd5 Kf5 60. Kd4 Kf4 61. Kd5 Bg4 62. Kd4 Bf5 63. Kd5 Ke3 64. Kc6 Kd4 65. Kc7 Kc5 66. Kb8 Kb6 67. Ka8 Nd6 68. Kb8 Nb5 69. Ka8 Nc7+ 70. Kb8 Na6+ 71. Ka8 Be4# 0-1

[Event "Westfalen-ch U11"]
[Site "Germany"]
[Date "1998.??.??"]
[Round "?"]
[White "Wagner, Kevin"]
[Black "Zwirner, Jan"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "59"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. d4 Nc6 7. Nf3 Be7 8. 0-0 0-0 9. Qd3 d6 10. cxd6 cxd6 11. Qe4 dxe5 12. Nxe5 Nf6 13. Qe3 Qxd4 14. Nxc6 Qxc4 15. Nxe7+ Kh8 16. Nxc8 Raxc8 17. Nd2 Qc7 18. Qxa7 Ra8 19. Qe3 Qd6 20. Ne4 Nxe4 21. Qxe4 b5 22. Bf4 Qc5 23. Rac1 Qa7 24. a3 Rfd8 25. Be3 Qe7 26. Rfd1 Ra6 27. Qe5 f6 28. Rxd8+ Qxd8 29. Qxb5 Rb6 30. Bxb6 1-0

[Event "Westfalen-ch U11"]
[Site "Germany"]
[Date "1998.??.??"]
[Round "?"]
[White "Zwirner, Jan"]
[Black "Erben, Larissa"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "67"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb6 7. 0-0 Nf6 8. e5 Ne4 9. Re1 Bf5 10. Bd5 Ba5 11. Re2 Nc3 12. Nxc3 Bxc3 13. bxc3 0-0 14. Bxc6 bxc6 15. Bg5 Qd7 16. exd6 Rfe8 17. Rxe8+ Qxe8 18. dxc7 Rc8 19. Qe1 Kf8 20. Qxe8+ Kxe8 21. Re1+ Kf8 22. Bd8 g6 23. Re2 Bd3 24. Rb2 Ke8 25. Rb8 Kd7 26. Ne5+ Kd6 27. Rxc8 Kd5 28. Nxd3 Kc4 29. Rb8 Kxd3 30. c8Q Kxc3 31. Qxc6+ Kxd4 32. Bf6+ Kd3 33. Rb2 a5 34. Qd5# 1-0

[Event "Westfalen-ch U11"]
[Site "Germany"]
[Date "1998.??.??"]
[Round "?"]
[White "Zwirner, Jan"]
[Black "Feistenauer, Armin"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "84"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Nxc3 9. bxc3 Bxc3 10. Bxf7+ Kxf7 11. Qb3+ d5 12. Qxc3 Re8 13. Bf4 Bf5 14. Rfe1 Qd7 15. Ne5+ Nxe5 16. Bxe5 c6 17. Qf3 Kg8 18. Re2 Bg4 19. Qe3 Bxe2 20. Qxe2 Re6 21. Qg4 Qf7 22. f4 Rg6 23. Qf3 Re8 24. Rf1 Qf5 25. g3 h5 26. Kh1 Rf8 27. Re1 Re8 28. Qb3 b6 29. Qa4 a6 30. Qb4 b5 31. Qc5 Rc8 32. Bd6 a5 33. Be5 Re6 34. Re3 Qb1+ 35. Kg2 Qxa2+ 36. Kh1 Qb1+ 37. Kg2 Qg6 38. Kh1 Ra8 39. Ra3 a4 40. Qb4 Qc2 41. Rc3 Qe2 42. Qb1 Qe4+ 0-1

[Event "Westfalen-ch U11"]
[Site "Germany"]
[Date "1998.??.??"]
[Round "?"]
[White "Zwirner, Jan"]
[Black "Mijatovic, Vladimir"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "101"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Bxc3+ 8. bxc3 0-0 9. Bg5 h6 10. Bxf6 Qxf6 11. e5 Qe7 12. 0-0 d6 13. Re1 dxe5 14. Nxe5 Nxe5 15. Rxe5 Qa3 16. Qc1 Qxc1+ 17. Rxc1 Bg4 18. Re7 Rac8 19. Rb1 b6 20. Ba6 Rce8 21. Rbe1 Be6 22. Rxe8 Rxe8 23. Bb5 Rd8 24. a3 c5 25. Rd1 Bb3 26. Rd3 cxd4 27. Rxd4 Rxd4 28. cxd4 f5 29. f4 Kf7 30. Kf2 Ke6 31. Ke3 Kd5 32. Kd3 g5 33. g3 gxf4 34. gxf4 Ba2 35. h4 a5 36. Ba6 a4 37. Bb7+ Kd6 38. Bc8 Be6 39. Bxe6 Kxe6 40. Kc4 Kd6 41. d5 h5 42. Kd4 b5 43. Kc3 Kxd5 44. Kb4 Ke4 45. Kxb5 Kxf4 46. Kxa4 Kg4 47. Kb4 f4 48. a4 f3 49. a5 f2 50. a6 f1Q 51. a7 0-1

[Event "Wuerttemberg-ch U11"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Capelja, Christian"]
[Black "Zwirner, Jan"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "54"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d3 Bb4 5. Bd2 0-0 6. Be2 d5 7. exd5 Nxd5 8. Nxd5 Bxd2+ 9. Qxd2 Qxd5 10. c4 Qd8 11. 0-0 Bg4 12. h3 Bh5 13. Nxe5 Nxe5 14. Bxh5 Nxc4 15. Qc3 Nd6 16. Bf3 c6 17. Rfe1 Re8 18. Rxe8+ Qxe8 19. Qb4 Nb5 20. a4 Nc7 21. Qxb7 Nd5 22. Bxd5 cxd5 23. Qxd5 Rd8 24. Qe4 Qd7 25. Ra3 Re8 26. Qf3 Qc7 27. d4 Re1# 0-1

[Event "Wuerttemberg-ch U11"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Feistenauer, Armin"]
[Black "Zwirner, Jan"]
[Result "0-1"]
[ECO "C28"]
[PlyCount "116"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Bb4 5. d3 0-0 6. Bd2 d6 7. h3 Bc5 8. Qe2 Nd4 9. Nxd4 Bxd4 10. Be3 c5 11. 0-0 Be6 12. Bb3 Rc8 13. Bd2 Re8 14. Rab1 Bxc3 15. bxc3 b6 16. Be3 d5 17. exd5 Nxd5 18. c4 Nc3 19. Qh5 Nxb1 20. Rxb1 Qd7 21. Rf1 Bf5 22. Rd1 Bg6 23. Qe2 Qf5 24. g4 Qf6 25. Ba4 Re7 26. Qd2 Qd6 27. a3 Qb8 28. Qc3 Qa8 29. Bc1 f6 30. Bb2 e4 31. Re1 Rcc7 32. h4 exd3 33. Rxe7 Rxe7 34. cxd3 Qd8 35. Bc2 Rd7 36. g5 Rf7 37. gxf6 Rxf6 38. f4 Rf7 39. Kg2 Qb8 40. Bc1 Rf8 41. Bb2 Rf7 42. Bc1 Qe8 43. Kf2 Kf8 44. Bd1 Re7 45. Bg4 Bh5 46. Bxh5 Qxh5 47. Qd2 Qxh4+ 48. Kf3 Qh3+ 49. Kf2 Rd7 50. Ke2 h5 51. Bb2 h4 52. Qc3 Qg2+ 53. Kd1 h3 54. Qe5 h2 55. Qf5+ Rf7 56. Qc8+ Ke7 57. Qc7+ Ke6 58. Qc6+ Qxc6 0-1

[Event "Wuerttemberg-ch U11"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Handan, Amer"]
[Black "Zwirner, Jan"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "37"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. Be2 d5 7. Bf4 Nc6 8. d4 Bg4 9. 0-0 Qd7 10. Nc3 0-0-0 11. h3 Nh5 12. Bg5 f6 13. hxg4 Qxg4 14. Be3 Bd6 15. Ne5 Qe6 16. Nxc6 bxc6 17. Bg4 f5 18. Bxh5 Qh6 19. Bxh6 1-0

[Event "Wuerttemberg-ch U11"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Lay, Lisa"]
[Black "Zwirner, Jan"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "80"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Bb5+ c6 5. Qe2 dxe5 6. Bc4 Bc5 7. 0-0 0-0 8. d3 Qd4 9. Qe3 Qxe3 10. fxe3 Bg4 11. Nc3 Bb4 12. a3 Bxc3 13. bxc3 b5 14. Bb3 a5 15. a4 b4 16. c4 c5 17. Bd2 Nc6 18. c3 Be2 19. Rf2 Bxd3 20. cxb4 Nxe4 21. Rf3 Nxd2 22. Rf2 Nxb3 23. Rd1 Bxc4 24. Rd6 Nxb4 25. Rf5 Bd3 26. Rxe5 Rac8 27. Re7 c4 28. Rdd7 c3 29. Rc7 c2 30. Rxc8 Rxc8 31. e4 c1Q+ 32. Kf2 Qf1+ 33. Kg3 Bxe4 34. Rxe4 Rc3+ 35. Kh4 Qf2+ 36. g3 Qxh2+ 37. Kg4 Rxg3+ 38. Kf4 Rg2+ 39. Kf5 g6+ 40. Kf6 Qd6+ 0-1

[Event "Wuerttemberg-ch U11"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Zwirner, Jan"]
[Black "Hornecker, Siegfried"]
[Result "0-1"]
[ECO "C57"]
[PlyCount "50"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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 Nxd5 6. Nxf7 Qf6 7. Nxh8 Bc5 8. 0-0 Nf4 9. Nc3 Nh3+ 10. gxh3 Bxh3 11. Ne4 Qh4 12. Qf3 Nd4 13. Qf7+ Kd8 14. Qg8+ Kd7 15. Nxc5+ Ke7 16. Qxg7+ Kd6 17. Nxb7+ Kc6 18. Qxe5 Nf3+ 19. Kh1 Nxe5 20. Na5+ Kb6 21. Bd5 Rxh8 22. Re1 Rd8 23. Rxe5 Rxd5 24. Re1 Qxf2 25. Rg1 Qf3+ 0-1

[Event "Wuerttemberg-ch U11"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Zwirner, Jan"]
[Black "Jovalekic, Oliver"]
[Result "1/2-1/2"]
[ECO "B03"]
[PlyCount "38"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 Nc6 4. Bc4 e6 5. Nf3 d6 6. exd6 Bxd6 7. 0-0 0-0 8. Bd2 Nb6 9. Bd3 Bd7 10. c4 Be7 11. Nc3 Bf6 12. Be3 Nb4 13. Bb1 Nxc4 14. Qb3 Nxe3 15. fxe3 Be7 16. a3 Nc6 17. Qxb7 Rb8 18. Qa6 Rxb2 19. Qd3 g6 1/2-1/2

[Event "Wuerttemberg-ch U11"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Zwirner, Jan"]
[Black "Schmidt, Nathalie"]
[Result "1-0"]
[ECO "C43"]
[PlyCount "45"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 Nf6 5. dxe5 Nd5 6. Bc4 Bb4+ 7. c3 Bc5 8. Qxd5 0-0 9. Qxc5 h6 10. 0-0 b6 11. Qd4 c5 12. Qg4 d6 13. Qg3 Nc6 14. Bxh6 g6 15. Bxf8 Qxf8 16. Bd5 Bb7 17. exd6 Rd8 18. Rd1 Rxd6 19. Bxf7+ Kxf7 20. Rxd6 Qe7 21. Qxg6+ Kf8 22. Rf6+ Qf7 23. Qxf7# 1-0

