[Event "Mittelrhein Verbandsliga-N 17/18"]
[Site "Nordrheinwestfalen"]
[Date "2018.05.06"]
[Round "11.1"]
[White "Kagan, Dennis"]
[Black "Erdmann, Kristian"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1955"]
[BlackElo "2000"]
[PlyCount "49"]
[EventDate "2017.09.10"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Porz SG IV"]
[BlackTeam "Leverkusen Koenigsspringer"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 0-0 7. 0-0 Bb6 8. Bb3 Nh5 9. Nc4 Nf4 10. d4 Qf6 11. Nxb6 axb6 12. Bxf4 Qxf4 13. Qd3 Bg4 14. Nd2 exd4 15. cxd4 Ra5 16. f3 Bd7 17. Nc4 Rh5 18. g3 Qf6 19. Rad1 Ne7 20. Ne3 Ra8 21. Rf2 Rha5 22. f4 Qh6 23. Qc4 Be6 24. Qxc7 Ng6 25. Ng4 1-0

[Event "Mittelrhein Verbandsliga-N 17/18"]
[Site "Nordrheinwestfalen"]
[Date "2018.04.15"]
[Round "10.1"]
[White "Erdmann, Kristian"]
[Black "Kocur, Alois"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2000"]
[BlackElo "2158"]
[PlyCount "54"]
[EventDate "2017.09.10"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Leverkusen Koenigsspringer"]
[BlackTeam "Hitdorf SV Springer"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Nxe4 d5 6. Bd3 dxe4 7. Bxe4 Bd6 8. c3 0-0 9. d3 Bg4 10. Qa4 f5 11. Bd5+ Kh8 12. 0-0 Qf6 13. Ng5 h6 14. h3 Be2 15. Re1 Bxd3 16. Qd1 e4 17. Ne6 Rfe8 18. Nf4 Ba6 19. Nh5 Qh4 20. Bf7 Rf8 21. Qd5 Ne5 22. Nf4 Nf3+ 23. gxf3 Bxf4 24. Bxf4 Qxf4 25. Re3 Rad8 26. Qb3 exf3 27. Bd5 Qg5+ 0-1

[Event "Mittelrhein Verbandsliga-N 17/18"]
[Site "Nordrheinwestfalen"]
[Date "2018.03.18"]
[Round "9.1"]
[White "Stoltefuss, Rolf"]
[Black "Erdmann, Kristian"]
[Result "1/2-1/2"]
[ECO "C39"]
[WhiteElo "1849"]
[BlackElo "2000"]
[PlyCount "49"]
[EventDate "2017.09.10"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Rheinpark BSG"]
[BlackTeam "Leverkusen Koenigsspringer"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 h5 6. Bc4 Nh6 7. d4 d6 8. Nd3 f3 9. gxf3 Be7 10. Bf4 Bxh4+ 11. Kd2 Nc6 12. c3 Qe7 13. Na3 a6 14. Nc2 gxf3 15. Qxf3 Bg4 16. Qe3 Na5 17. Bd5 c6 18. Bb3 0-0-0 19. Bxh6 Rxh6 20. Rxh4 Nxb3+ 21. axb3 Re6 22. Rah1 Rxe4 23. Qh6 Re6 24. Qf4 Re4 25. Qh6 1/2-1/2

[Event "Mittelrhein Verbandsliga-N 17/18"]
[Site "Nordrheinwestfalen"]
[Date "2018.01.14"]
[Round "6.1"]
[White "Erdmann, Kristian"]
[Black "Bosbach, Stefan"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2000"]
[BlackElo "2087"]
[PlyCount "65"]
[EventDate "2017.09.10"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Leverkusen Koenigsspringer"]
[BlackTeam "Bergische SF"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. b4 b6 3. c4 Bb7 4. bxc5 bxc5 5. Nc3 Nc6 6. Nf3 e6 7. Rb1 Rb8 8. d3 Ba8 9. Bf4 Rxb1 10. Qxb1 d6 11. Be2 Be7 12. 0-0 Nf6 13. Rd1 0-0 14. Rd2 Qa5 15. Nd1 Rb8 16. Rb2 Rxb2 17. Qxb2 Qb6 18. Qxb6 axb6 19. Nc3 h6 20. e5 dxe5 21. Nxe5 Nxe5 22. Bxe5 Bd8 23. f4 Nd7 24. Bd6 f5 25. Kf2 g5 26. Bf3 Bxf3 27. Kxf3 Kf7 28. Nb5 Kf6 29. g3 e5 30. fxg5+ hxg5 31. g4 f4 32. Ke4 Ke6 33. h3 1/2-1/2

[Event "Mittelrhein Verbandsliga-N 17/18"]
[Site "Nordrheinwestfalen"]
[Date "2017.10.01"]
[Round "2.1"]
[White "Keller, Karsten"]
[Black "Erdmann, Kristian"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2130"]
[BlackElo "2000"]
[PlyCount "41"]
[EventDate "2017.09.10"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Langenfeld II"]
[BlackTeam "Leverkusen Koenigsspringer"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qa5 6. Nb3 Qb4 7. e3 g6 8. a3 Qb6 9. e4 Bg7 10. Be3 Qd8 11. Be2 0-0 12. 0-0 d6 13. Rc1 Nxe4 14. Nxe4 Bxb2 15. Rc2 Bxa3 16. Qa1 f5 17. Bh6 e5 18. Qxa3 fxe4 19. Bxf8 Qxf8 20. Rd2 Ne7 21. Qxd6 1-0

[Event "Mittelrhein Verbandsliga-N 17/18"]
[Site "Nordrheinwestfalen"]
[Date "2017.09.10"]
[Round "1.1"]
[White "Erdmann, Kristian"]
[Black "Cordts, Ingo"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2000"]
[BlackElo "2212"]
[PlyCount "55"]
[EventDate "2017.09.10"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Leverkusen Koenigsspringer"]
[BlackTeam "Koeln Ford SF"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 d6 6. h3 Na5 7. Bb3 c6 8. Be3 Bxe3 9. fxe3 h6 10. 0-0 Nxb3 11. axb3 Nh7 12. Qe1 0-0 13. Nh4 g6 14. Qg3 Qg5 15. Ne2 Be6 16. Rf3 Rfc8 17. Qf2 Kh8 18. Rf1 Rg8 19. Kh2 Qe7 20. g4 Ng5 21. Rg3 Nxe4 22. Nxg6+ fxg6 23. dxe4 Rgf8 24. Rf3 Rxf3 25. Qxf3 Kg7 26. Ng3 Qh4 27. Qf2 Qg5 28. Qd2 1/2-1/2

[Event "Leverkusen Bayer op 9th"]
[Site "Leverkusen"]
[Date "2011.04.11"]
[Round "7"]
[White "Wegener, Marcus"]
[Black "Erdmann, Kristian"]
[Result "1/2-1/2"]
[ECO "C90"]
[WhiteElo "2025"]
[BlackElo "1764"]
[PlyCount "74"]
[EventDate "2011.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. h3 Na5 9. d3 0-0 10. Nbd2 c5 11. Nf1 Be6 12. Bxe6 fxe6 13. Ng3 Qe8 14. Ng5 Bd8 15. c3 h6 16. Nf3 Nh5 17. Nxh5 Qxh5 18. Be3 Nc6 19. Nh2 Qxd1 20. Raxd1 Rb8 21. Nf3 Ba5 22. Re2 b4 23. c4 Bb6 24. Nd2 Kh7 25. g3 g5 26. Rf1 Rb7 27. f3 Bd8 28. Ref2 Rg7 29. Kh2 Rgf7 30. Kg2 Rg7 31. Ra1 a5 32. b3 Rgf7 33. Kf1 Kg7 34. Ke2 Kh7 35. Raf1 Be7 36. Ra1 Bd8 37. Kf1 Be7 1/2-1/2

[Event "Leverkusen Bayer op 9th"]
[Site "Leverkusen"]
[Date "2011.03.28"]
[Round "6"]
[White "Erdmann, Kristian"]
[Black "Gutt, Oswald"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "1764"]
[BlackElo "2047"]
[PlyCount "97"]
[EventDate "2011.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Nxe4 d5 6. Bd3 dxe4 7. Bxe4 Bc5 8. 0-0 0-0 9. c3 Re8 10. Re1 Bd6 11. d3 h6 12. a4 Bd7 13. Qb3 Rb8 14. Be3 Qf6 15. Qc2 a5 16. Nd2 b6 17. Bd5 Nd8 18. Ne4 Qg6 19. Nxd6 Qxd6 20. Bc4 Ne6 21. Qd1 Rbd8 22. Qh5 Bc6 23. d4 exd4 24. Bxd4 Bd5 25. Bxd5 Qxd5 26. Qxd5 Rxd5 27. Be3 Red8 28. Kf1 Kh7 29. Ke2 Kg6 30. Red1 Kf5 31. Rxd5+ Rxd5 32. Rd1 Rxd1 33. Kxd1 Ke4 34. Ke2 Kd5 35. Kd3 Nc5+ 36. Bxc5 Kxc5 37. f4 c6 38. g3 b5 39. axb5 cxb5 40. b3 a4 41. Kc2 f5 42. Kb2 g5 43. h4 gxf4 44. gxf4 axb3 45. Kxb3 h5 46. Kc2 Kc4 47. Kd2 Kc5 48. Ke3 Kc4 49. Kd2 1/2-1/2

[Event "Leverkusen Bayer op 9th"]
[Site "Leverkusen"]
[Date "2011.03.14"]
[Round "5"]
[White "Boehm, Stefan"]
[Black "Erdmann, Kristian"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2082"]
[BlackElo "1764"]
[PlyCount "36"]
[EventDate "2011.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 Ng4 9. Be2 Bc5 10. Bxg4 Qh4+ 11. g3 Qxg4 12. Qxg4 Bxg4 13. Nge2 Bh3 14. b4 Be7 15. Be3 a5 16. b5 Nd7 17. Kd2 b6 18. Ra2 0-0 1/2-1/2

[Event "Leverkusen Bayer op 9th"]
[Site "Leverkusen"]
[Date "2011.02.21"]
[Round "4"]
[White "Erdmann, Kristian"]
[Black "Raabe, Joachim"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1764"]
[BlackElo "1998"]
[PlyCount "99"]
[EventDate "2011.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nc6 4. d4 Nf6 5. d5 Ne5 6. Nxe5 dxe5 7. Nd2 Bd7 8. Bd3 g6 9. 0-0 Bg7 10. c4 0-0 11. Re1 Qc7 12. b3 a6 13. a4 b6 14. Bb2 Nh5 15. g3 Nf6 16. Bf1 Ne8 17. Bg2 Nd6 18. Qe2 Rab8 19. Bc3 Qc8 20. Nf1 f6 21. Ra2 Rb7 22. Bd2 Nf7 23. Be3 h5 24. h4 Nd6 25. Nd2 Rf7 26. f4 Bg4 27. Bf3 f5 28. Bxg4 hxg4 29. fxe5 Bxe5 30. Bf4 Bxf4 31. gxf4 fxe4 32. Nxe4 Rxf4 33. Nxd6 exd6 34. Qe6+ Qxe6 35. Rxe6 Kf7 36. Rxd6 Rf6 37. Rf2 Rxf2 38. Kxf2 b5 39. axb5 axb5 40. Rc6 bxc4 41. bxc4 Rb3 42. Rxc5 Rh3 43. d6 Ke6 44. Rg5 Rxh4 45. Rxg6+ Kf5 46. Rg8 g3+ 47. Kxg3 Rxc4 48. d7 Rc3+ 49. Kf2 Rc2+ 50. Ke3 1-0

[Event "Leverkusen Bayer op 9th"]
[Site "Leverkusen"]
[Date "2011.02.07"]
[Round "3"]
[White "Pejkovic, Patrick Slavko"]
[Black "Erdmann, Kristian"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1991"]
[BlackElo "1764"]
[PlyCount "87"]
[EventDate "2011.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. e3 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. b3 Nd7 7. Bb2 Ngf6 8. Nbd2 Be7 9. 0-0 0-0 10. c4 Re8 11. a3 Qc7 12. Rac1 Rad8 13. Rfd1 h6 14. e4 dxe4 15. Nxe4 Nxe4 16. Qxe4 Bf6 17. Qc2 Qb8 18. Bc3 Nf8 19. Ne5 Bxe5 20. dxe5 Rxd1+ 21. Rxd1 Rd8 22. f4 Qc7 23. Bb4 c5 24. Bc3 Rxd1+ 25. Qxd1 Qd7 26. Qxd7 Nxd7 27. Kf2 Kf8 28. g4 Ke7 29. h4 b6 30. Ke3 g6 31. h5 gxh5 32. gxh5 f5 33. exf6+ Nxf6 34. Bxf6+ Kxf6 35. Ke4 a6 36. b4 a5 37. bxa5 bxa5 38. a4 Kf7 39. Ke5 Ke7 40. f5 exf5 41. Kxf5 Kd6 42. Kf6 Kd7 43. Ke5 Kc6 44. Ke6 1-0

[Event "Leverkusen Bayer op 9th"]
[Site "Leverkusen"]
[Date "2011.01.10"]
[Round "1"]
[White "Erdmann, Kristian"]
[Black "Neuber, Max"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "1764"]
[PlyCount "58"]
[EventDate "2011.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Qf3 f6 7. Bxd5 Nd4 8. Bf7+ Kd7 9. Qe4 fxg5 10. Qxe5 Qe7 11. Qxe7+ Kxe7 12. Bb3 Be6 13. Na3 Kf7 14. Bxe6+ Kxe6 15. Kd1 Re8 16. Re1+ Kd7 17. Rxe8 Kxe8 18. b3 Bc5 19. c3 Ne6 20. d4 Be7 21. Nc4 b5 22. Ne5 c5 23. Be3 b4 24. cxb4 cxd4 25. Bd2 d3 26. Rc1 Rf8 27. Nxd3 Bd6 28. Rc8+ Ke7 29. Rxf8 Kxf8 1-0

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2008.04.14"]
[Round "7"]
[White "Ziabari, Morteza"]
[Black "Erdmann, Kristian"]
[Result "1-0"]
[ECO "C33"]
[WhiteElo "1807"]
[BlackElo "1741"]
[PlyCount "79"]
[EventDate "2008.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 d6 5. Nf3 Qh6 6. d4 Be6 7. d5 Bg4 8. Nc3 Nf6 9. Qd3 Nh5 10. Ne2 Nd7 11. Bb5 a6 12. h3 Bxf3 13. Bxd7+ Kxd7 14. Qxf3 g5 15. Qg4+ Kd8 16. h4 Nf6 17. Qf5 Qg6 18. hxg5 Nxe4 19. Qxf4 Bg7 20. g4 f6 21. gxf6 Qxf6 22. Kg2 Qg6 23. Qf5 Rf8 24. Qxg6 Rf2+ 25. Kg1 hxg6 26. Nf4 Ke7 27. Rh7 Kf6 28. Be3 Rf3 29. Bd4+ Kg5 30. Ne6+ Kxg4 31. Rxg7 Rg3+ 32. Kf1 Rf3+ 33. Ke1 g5 34. Rd1 Rh8 35. Rxg5+ Nxg5 36. Bxh8 Ne4 37. Rd4 Re3+ 38. Kd1 Kg3 39. Rd3 Nf2+ 40. Kd2 1-0

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2008.03.16"]
[Round "6"]
[White "Erdmann, Kristian"]
[Black "Liebsch, Felix"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1741"]
[BlackElo "1147"]
[PlyCount "41"]
[EventDate "2008.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. 0-0 Nf6 5. Nc3 Bc5 6. d3 0-0 7. Be3 Bxe3 8. fxe3 d6 9. h3 Na5 10. Bb3 Nxb3 11. axb3 Be6 12. Qe1 c6 13. Nh4 Qd7 14. Nf5 Bxf5 15. Rxf5 Rfe8 16. Qh4 d5 17. Raf1 dxe4 18. Rxf6 gxf6 19. Nxe4 Qe7 20. Qxh6 Rad8 21. Rf3 1-0

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2008.03.10"]
[Round "5"]
[White "Reiter, Ute"]
[Black "Erdmann, Kristian"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1119"]
[BlackElo "1741"]
[PlyCount "48"]
[EventDate "2008.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. Ng5 0-0 6. d3 h6 7. Nf3 d6 8. h3 Be6 9. a3 Bxc4 10. dxc4 a5 11. Bd2 Nd4 12. Nd5 Nxe4 13. Ne3 f5 14. c3 Ne6 15. g3 f4 16. gxf4 exf4 17. b4 fxe3 18. Bxe3 Bxe3 19. fxe3 Nxc3 20. Qd2 Rxf3 21. Qxc3 Qh4+ 22. Kd2 Qf2+ 23. Kd1 Rxe3 24. Re1 Rxc3 0-1

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2008.02.25"]
[Round "4"]
[White "Erdmann, Kristian"]
[Black "Brinkmann, Katharina"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1741"]
[PlyCount "54"]
[EventDate "2008.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Be7 5. Nf3 Nd7 6. Bc4 Ngf6 7. Neg5 Nb6 8. Bd3 h6 9. Nxf7 Kxf7 10. Ne5+ Kg8 11. Ng6 Bd6 12. Nxh8 Kxh8 13. Be3 e5 14. dxe5 Bxe5 15. c3 Nbd5 16. Bc2 Bg4 17. Qd3 Qd6 18. f3 Nxe3 19. Qxe3 Re8 20. Kf1 Bd7 21. Qd3 Qb6 22. Bb3 c5 23. Qc2 Qc7 24. Bc4 Bxh2 25. g4 Nxg4 26. fxg4 Qf4+ 27. Qf2 Qxc4+ 0-1

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2008.02.11"]
[Round "3"]
[White "Scharff, Klaus"]
[Black "Erdmann, Kristian"]
[Result "1-0"]
[ECO "D21"]
[WhiteElo "1928"]
[BlackElo "1741"]
[PlyCount "71"]
[EventDate "2008.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 b5 4. Nf3 e6 5. Be2 Bb7 6. e5 a6 7. 0-0 Ne7 8. b3 cxb3 9. Qxb3 Nd5 10. Nc3 Be7 11. Nxd5 Bxd5 12. Qc2 0-0 13. Be3 Nd7 14. Bd3 h6 15. Qd2 Bxf3 16. gxf3 g5 17. h4 f5 18. exf6 Bxf6 19. hxg5 Bxg5 20. f4 Bh4 21. Kh1 Nf6 22. Rg1+ Kf7 23. Rac1 Qd5+ 24. Kh2 Rac8 25. Qa5 Qd6 26. Bg6+ Ke7 27. d5 Bxf2 28. Bxf2 Qxf4+ 29. Bg3 Ng4+ 30. Kh1 Qf3+ 31. Rg2 Ne3 32. Rxc7+ Kf6 33. Bh4+ Ke5 34. Qc3+ Kd6 35. Be7+ Kxd5 36. Qc5# 1-0

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2008.01.28"]
[Round "2"]
[White "Erdmann, Kristian"]
[Black "Von Oppenkowski, Roman"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1741"]
[BlackElo "1325"]
[PlyCount "91"]
[EventDate "2008.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 d5 8. exd5 Nxd5 9. Bxb4 Ncxb4 10. a3 Nc6 11. 0-0 0-0 12. Nc3 Nce7 13. Re1 c6 14. Ne5 f6 15. Nd3 Kh8 16. Nc5 b6 17. Ne6 Bxe6 18. Rxe6 Qd7 19. Qe1 Nf5 20. Rd1 Nf4 21. Re4 Nd5 22. Qd2 Nxc3 23. Qxc3 Nd6 24. Re6 Nb5 25. Qe3 Rfe8 26. Qh3 Rxe6 27. Bxe6 Qd6 28. Bf5 h6 29. Qg4 Kg8 30. Qg6 Kf8 31. Qh7 Qd5 32. Be4 Qe6 33. Qh8+ Kf7 34. Qxa8 Qxe4 35. d5 Qe2 36. Rf1 cxd5 37. Qxd5+ Kg6 38. Qd1 Qxb2 39. Qd3+ f5 40. Rb1 Qxa3 41. Qxb5 Qd6 42. Rc1 Qd2 43. Qc6+ Kg5 44. g3 a5 45. Qc3 Qd5 46. Qxg7+ 1-0

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2008.01.14"]
[Round "1"]
[White "Negele, Michael"]
[Black "Erdmann, Kristian"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "2118"]
[BlackElo "1741"]
[PlyCount "41"]
[EventDate "2008.01.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 d5 6. exd5 Nxd5 7. Re1+ Be7 8. Nxd4 Ndb4 9. Bg5 0-0 10. Bxe7 Nxe7 11. Nc3 Nf5 12. Nxf5 Bxf5 13. Qf3 Bxc2 14. Qxb7 Rb8 15. Qxa7 Nd3 16. Re2 Rxb2 17. Qe3 Nb4 18. a3 Qa8 19. Qc1 Nc6 20. Qxb2 Nd4 21. Rxc2 1-0

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2007.03.26"]
[Round "7"]
[White "Erdmann, Kristian"]
[Black "Schipp, Cyrill"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1557"]
[BlackElo "1820"]
[PlyCount "69"]
[EventDate "2007.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qb6 6. Nb3 Qc7 7. 0-0 Nf6 8. Nc3 Be7 9. Be3 d6 10. Qe2 Nbd7 11. f4 b6 12. h3 Bb7 13. Qf2 Nc5 14. Bxc5 dxc5 15. Qe2 b5 16. e5 c4 17. exf6 cxd3 18. fxg7 Rg8 19. cxd3 Rxg7 20. Rf2 Bh4 21. Rf3 Ke7 22. Ne4 Rag8 23. g4 f5 24. Nec5 Qb6 25. Re3 Bd5 26. Nd4 Rxg4+ 27. hxg4 Rxg4+ 28. Qxg4 fxg4 29. Ndxe6 Kf7 30. d4 Qa5 31. Ng5+ Bxg5 32. fxg5 Qd2 33. Rf1+ Kg6 34. Rf6+ Kxg5 35. Ne6+ 0-1

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2007.03.12"]
[Round "6"]
[White "Erdmann, Kristian"]
[Black "Wegener, Marcus"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1557"]
[BlackElo "2046"]
[PlyCount "134"]
[EventDate "2007.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 Bxc3 8. Bxc3 Nxe4 9. Qd5 Nxc3 10. bxc3 0-0 11. Bd3 Qa5 12. Qxa5 Nxa5 13. 0-0-0 f6 14. Be4 Rd8 15. Rd5 Nc6 16. Rhd1 Ne7 17. Rb5 d5 18. Bxd5+ Nxd5 19. Rbxd5 Rxd5 20. Rxd5 Be6 21. Ra5 a6 22. Nd2 Rc8 23. Kb2 Kf7 24. Ne4 Ke7 25. Rc5 Rxc5 26. Nxc5 Bd5 27. g3 Kd6 28. Nb3 f5 29. Nd2 b5 30. a3 g5 31. Kc1 e4 32. Nb3 Bxb3 33. cxb3 Kc5 34. Kd2 a5 35. Ke3 a4 36. bxa4 bxa4 37. g4 fxg4 38. Kxe4 Kc4 39. Ke3 Kxc3 40. Ke4 Kc4 41. Ke3 Kd5 42. Kd3 Ke5 43. Kc4 Kf4 44. Kb4 Kf3 45. Kxa4 Kxf2 46. Kb4 Kg2 47. a4 Kxh2 48. a5 g3 49. a6 g2 50. a7 g1Q 51. a8Q Qg4+ 52. Kc5 h5 53. Qb8+ Qg3 54. Qe8 h4 55. Qe2+ Kh1 56. Kc4 g4 57. Qe4+ Kh2 58. Qe2+ Qg2 59. Qe5+ g3 60. Kd3 h3 61. Qe1 Qd5+ 62. Kc2 Qc4+ 63. Kb1 Qd3+ 64. Kc1 Qf3 65. Qd2+ Kg1 66. Qd4+ Qf2 67. Qg4 h2 0-1

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2007.02.26"]
[Round "5"]
[White "Glaser, Steffen"]
[Black "Erdmann, Kristian"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1936"]
[BlackElo "1557"]
[PlyCount "61"]
[EventDate "2007.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 f6 6. d3 Bg4 7. h3 Bxf3 8. Qxf3 Qd7 9. Nd2 0-0-0 10. a4 Ne7 11. Nb3 Ng6 12. Rd1 c5 13. Be3 Qc6 14. c3 Qb6 15. Ra3 Nf4 16. a5 Qc6 17. Bxf4 c4 18. Nd4 exd4 19. b4 cxb3 20. Rxb3 Bd6 21. cxd4 Bxf4 22. d5 Qd6 23. Rdb1 Kb8 24. Rxb7+ Ka8 25. Qd1 Qa3 26. Qc2 Qd6 27. Qb3 Qc5 28. Kf1 Be5 29. d4 Bxd4 30. Qd3 Rd6 31. R7b4 0-1

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2007.02.12"]
[Round "4"]
[White "Erdmann, Kristian"]
[Black "Liebsch, Conrad"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "1557"]
[BlackElo "1203"]
[PlyCount "31"]
[EventDate "2007.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8. Nc3 Nce7 9. d3 h6 10. Qe4 g5 11. Nxd5 Nxd5 12. Qg6+ Ke7 13. Bxg5+ hxg5 14. Qxg5+ Nf6 15. Qxe5+ Kd7 16. Qe6# 1-0

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2007.01.29"]
[Round "3"]
[White "Bauer, Matthias"]
[Black "Erdmann, Kristian"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1572"]
[BlackElo "1557"]
[PlyCount "66"]
[EventDate "2007.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bd6 5. 0-0 0-0 6. c3 b6 7. Nbd2 Bb7 8. Re1 c5 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Bxe4 12. Rxe4 Nc6 13. Bf4 Bxf4 14. Rxf4 Qd6 15. Rh4 Rad8 16. Qc2 h6 17. Ng5 f5 18. dxc5 bxc5 19. Nf3 Rd7 20. Re1 e5 21. Qb3+ Kh8 22. Re2 e4 23. Rd2 Qc7 24. Rxd7 Qxd7 25. Ne1 Qd2 26. Kf1 Ne5 27. Qc2 Rd8 28. Qxd2 Rxd2 29. Rh5 Nd3 30. Nxd3 exd3 31. Ke1 Re2+ 32. Kf1 Rxb2 33. Rxf5 Rb1# 0-1

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2007.01.22"]
[Round "2"]
[White "Erdmann, Kristian"]
[Black "Herrmann, Christoph"]
[Result "0-1"]
[ECO "B83"]
[WhiteElo "1557"]
[BlackElo "2014"]
[PlyCount "76"]
[EventDate "2007.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Nf6 6. Be2 Be7 7. 0-0 0-0 8. b3 a6 9. Bb2 Qc7 10. Re1 Nc6 11. Nxc6 Qxc6 12. Bf3 e5 13. Qd3 b5 14. Rad1 Bb7 15. Rd2 b4 16. Nb1 Nd7 17. c3 Nc5 18. Qe2 a5 19. Rc2 Bg5 20. Nd2 Ba6 21. c4 Bb7 22. g3 Bxd2 23. Qxd2 f5 24. Qd5+ Qxd5 25. cxd5 fxe4 26. Bxe4 Rac8 27. Rd2 Nxe4 28. Rxe4 Rc5 29. Rc4 Rxc4 30. bxc4 Rc8 31. f4 exf4 32. gxf4 Rxc4 33. Rg2 g6 34. f5 Bxd5 35. Rg5 Rc2 36. fxg6 Rxb2 37. gxh7+ Kxh7 38. Rxd5 Rxa2 0-1

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2007.01.08"]
[Round "1"]
[White "Peschel, Andreas"]
[Black "Erdmann, Kristian"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2162"]
[BlackElo "1557"]
[PlyCount "120"]
[EventDate "2007.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. 0-0 Bd6 6. c4 c6 7. Nc3 0-0 8. Qb3 Qc7 9. c5 Be7 10. Bf4 Qc8 11. Nh4 Bg6 12. Nxg6 hxg6 13. Bg5 Nbd7 14. Rac1 Re8 15. Qc2 Qd8 16. b4 e5 17. dxe5 Nxe5 18. Rfd1 Nfd7 19. Bxe7 Qxe7 20. e4 dxe4 21. Nxe4 Red8 22. Nd6 Rab8 23. Qe2 g5 24. Bh3 Nf6 25. Re1 g4 26. Bg2 Nfd7 27. h3 Qg5 28. hxg4 Qxg4 29. Qxg4 Nxg4 30. Bh3 Nge5 31. Re3 Ng6 32. f4 Nf6 33. Bg2 Rd7 34. Rce1 Kf8 35. Bh3 Re7 36. Bc8 b6 37. cxb6 axb6 38. Bh3 Nd5 39. Rxe7 Ngxe7 40. b5 cxb5 41. Nxb5 Ra8 42. a3 Ra5 43. Bf1 Nf5 44. Kf2 Nf6 45. Bd3 Ng4+ 46. Kf3 Nf6 47. Re5 Ne7 48. Re1 Nf5 49. Rb1 Ne7 50. g4 Ned5 51. g5 Nd7 52. Bc4 Ne7 53. Rd1 Ke8 54. Kg4 f5+ 55. Kg3 Nc6 56. Rd6 Na7 57. Nc7+ Kd8 58. Ne6+ Ke7 59. Rd3 g6 60. Nd4 Nc5 1-0

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2005.04.18"]
[Round "9"]
[White "Erdmann, Kristian"]
[Black "Hammermeister, Udo"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1244"]
[BlackElo "1700"]
[PlyCount "83"]
[EventDate "2005.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[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. Nc3 Nc6 4. Bc4 Bc5 5. d3 h6 6. 0-0 d6 7. h3 Na5 8. Bb3 Nxb3 9. axb3 a6 10. Be3 Bxe3 11. fxe3 0-0 12. d4 exd4 13. exd4 Bd7 14. Nd2 Nh7 15. Rf3 f5 16. exf5 Ng5 17. Rf2 Bxf5 18. Qf1 Qd7 19. Kh2 Bxc2 20. Ra5 Bg6 21. Nd5 Rxf2 22. Qxf2 Ne4 23. Nxe4 Bxe4 24. Nc3 Bh7 25. Qg3 Rf8 26. Rh5 Kh8 27. Ne2 Qf7 28. Rh4 Qf2 29. Qg4 Qf5 30. Qg3 Qc2 31. Nf4 g5 32. Ne6 Rf6 33. Nxg5 hxg5 34. Qxg5 Qg6 35. Qe3 Re6 36. Qf3 Re4 37. Rxe4 Qxe4 38. Qf8+ Bg8 39. Qh6+ Qh7 40. Qf6+ Qg7 41. Qh4+ Bh7 42. Qd8+ 1/2-1/2

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2005.04.04"]
[Round "8"]
[White "Friedsam, Manfred"]
[Black "Erdmann, Kristian"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1800"]
[BlackElo "1244"]
[PlyCount "61"]
[EventDate "2005.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Nxc3 Bb4 6. Bc4 d6 7. Qb3 Qe7 8. 0-0 Bxc3 9. bxc3 h6 10. Ba3 Qf6 11. e5 dxe5 12. Rfe1 Nge7 13. Bxe7 Qxe7 14. Nxe5 Nxe5 15. Qb5+ c6 16. Qxe5 Qxe5 17. Rxe5+ Kf8 18. Rae1 Bg4 19. f3 Bd7 20. Bxf7 Kxf7 21. Re7+ Kg6 22. Rxd7 Rhe8 23. Rxe8 Rxe8 24. Rxb7 Re3 25. Rb3 Re2 26. a4 Ra2 27. Rb4 Kf5 28. Rc4 Kg5 29. h4+ Kh5 30. Kh2 Ra1 31. Kh3 1-0

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2005.03.07"]
[Round "6"]
[White "Erdmann, Kristian"]
[Black "Dramiga, Joe"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1244"]
[BlackElo "1732"]
[PlyCount "79"]
[EventDate "2005.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 Nc6 3. Nf3 g6 4. Nc3 Bg7 5. 0-0 d6 6. h3 Nf6 7. d3 0-0 8. Bf4 Na5 9. Re1 Nh5 10. Bd2 Nxc4 11. dxc4 Bd7 12. Rb1 Bc6 13. Qe2 Nf6 14. Bf4 b6 15. Qe3 e5 16. Bg5 Qd7 17. Rbd1 Ne8 18. Nd5 Bxd5 19. cxd5 f5 20. exf5 gxf5 21. Rd2 e4 22. Nh4 Bxb2 23. c3 Ba3 24. Qg3 Kh8 25. Qe3 c4 26. Qd4+ Qg7 27. Qxg7+ Kxg7 28. Rde2 Nc7 29. Rd1 Rae8 30. g3 Na6 31. Be3 Nc5 32. Ng2 Nd3 33. Nf4 Nxf4 34. Bxf4 b5 35. Be3 Ra8 36. Bd4+ Kg8 37. Kh2 a5 38. Rb1 Rfb8 39. g4 fxg4 40. hxg4 1-0

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2005.02.21"]
[Round "5"]
[White "Morsch, Andreas"]
[Black "Erdmann, Kristian"]
[Result "0-1"]
[ECO "D24"]
[WhiteElo "1778"]
[BlackElo "1244"]
[PlyCount "66"]
[EventDate "2005.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 Nf6 4. Nf3 Bf5 5. Bg5 h6 6. Bh4 e6 7. e3 Nc6 8. Bxc4 Be7 9. 0-0 0-0 10. a3 Bg4 11. Be2 Nd5 12. Bxe7 Qxe7 13. Rc1 Rad8 14. Ne4 Bxf3 15. Bxf3 e5 16. Nc5 Na5 17. b4 b6 18. Na6 Nb7 19. Bxd5 Rxd5 20. Rxc7 Rd7 21. Qc2 exd4 22. exd4 Rfd8 23. d5 Qd6 24. Rd1 Re7 25. Rxe7 Qxe7 26. Kf1 Nd6 27. Qe2 Qb7 28. b5 Qd7 29. a4 Re8 30. Qf3 Qc8 31. Qf4 Qc2 32. Qd4 Qe2+ 33. Kg1 Qe1+ 0-1

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2005.02.14"]
[Round "4"]
[White "Erdmann, Kristian"]
[Black "Meinecke, Hans"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1244"]
[BlackElo "1452"]
[PlyCount "27"]
[EventDate "2005.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Nxd5 Qxd5 5. Nf3 e6 6. b3 Be7 7. Bb2 0-0 8. Bc4 Qd8 9. 0-0 Nd7 10. Qe2 Nf6 11. Bd3 b6 12. Bxf6 Bxf6 13. Qe4 g6 14. Qxa8 1-0

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2005.01.31"]
[Round "3"]
[White "Hoeper, Heinz Joachim"]
[Black "Erdmann, Kristian"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1597"]
[BlackElo "1244"]
[PlyCount "120"]
[EventDate "2005.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 Nc6 2. c4 e5 3. d3 Bc5 4. g3 Nf6 5. Bg2 h6 6. Nc3 d6 7. 0-0 0-0 8. Na4 Bf5 9. Nxc5 dxc5 10. Nd2 Qd6 11. b3 Rfe8 12. Bb2 Rab8 13. Nb1 Nd4 14. Re1 b6 15. Nc3 a6 16. Qd2 Re7 17. Rad1 Rd8 18. e4 Bg4 19. Rc1 Bf3 20. Nd5 Nxd5 21. cxd5 Bxg2 22. Kxg2 Qf6 23. Bxd4 cxd4 24. Rc6 Rd6 25. Rec1 Rxc6 26. Rxc6 Qg5 27. f4 exf4 28. Qxf4 Qxf4 29. gxf4 f6 30. d6 cxd6 31. Rxd6 Rc7 32. Rxd4 Rc2+ 33. Kf3 Kf7 34. Rd6 Rxh2 35. a4 h5 36. Rxb6 Rh3+ 37. Ke2 Rh2+ 38. Kf1 Rd2 39. Rd6 Rb2 40. Rxa6 Rxb3 41. Rd6 Ra3 42. Rd4 Ke6 43. Kf2 g6 44. Kg3 Ra1 45. Rb4 Ra3 46. Rd4 Ra1 47. Rb4 Ra3 48. Rd4 Ra1 49. Kf2 Ra2+ 50. Ke1 Ra1+ 51. Kd2 Ra2+ 52. Kc3 g5 53. fxg5 fxg5 54. Rd5 Kf6 55. a5 h4 56. Kd4 h3 57. e5+ Kg6 58. e6 Kf6 59. e7 Kxe7 60. Rxg5 h2 1-0

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2005.01.17"]
[Round "2"]
[White "Erdmann, Kristian"]
[Black "Selbach, Frank"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "1244"]
[BlackElo "1677"]
[PlyCount "81"]
[EventDate "2005.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 Nc6 3. Nf3 e6 4. Nc3 a6 5. a4 Nf6 6. d3 Be7 7. Bf4 d6 8. h3 0-0 9. 0-0 d5 10. exd5 exd5 11. Bb3 h6 12. Re1 Bd6 13. Bxd6 Qxd6 14. Qd2 Be6 15. Ra3 Rad8 16. Rd1 Qc7 17. Ba2 Nb4 18. d4 c4 19. Ne2 a5 20. Rc1 Qe7 21. Re1 Ne4 22. Qc1 Qf6 23. Bb1 Bf5 24. Re3 Kh8 25. c3 Nd3 26. Bxd3 cxd3 27. Nf4 Qc6 28. Nxd3 Qxa4 29. Nh4 Bh7 30. Nf3 Qb5 31. Qd1 Nd6 32. Qe2 Nc4 33. Re7 Bxd3 34. Qxd3 Qxb2 35. Rb1 Qa3 36. Rbxb7 Nd6 37. Rbc7 Ra8 38. Ne5 Qc1+ 39. Kh2 Qf4+ 40. Kg1 a4 41. Qd1 1/2-1/2

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2005.01.10"]
[Round "1"]
[White "Birnkott, Manfred"]
[Black "Erdmann, Kristian"]
[Result "1-0"]
[ECO "C34"]
[WhiteElo "1904"]
[BlackElo "1244"]
[PlyCount "89"]
[EventDate "2005.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[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 Bg4 5. Bxf4 Nf6 6. Nbd2 Be7 7. Bc4 0-0 8. 0-0 Nh5 9. Be3 Nc6 10. h3 Bxf3 11. Qxf3 Nf6 12. c3 Kh8 13. Rf2 h6 14. Raf1 a6 15. Qe2 d5 16. exd5 Nxd5 17. Bxh6 gxh6 18. Qh5 Bg5 19. Bxd5 Qxd5 20. h4 Kg8 21. hxg5 Qxg5 22. Qxg5+ hxg5 23. Rf5 f6 24. Ne4 Kg7 25. Nxf6 Kg6 26. g4 Rf7 27. Ne4 Rxf5 28. Rxf5 Re8 29. Rxg5+ Kh6 30. Rh5+ Kg6 31. Ng3 Rf8 32. Ne2 Rg8 33. Kg2 Ne7 34. Kg3 c6 35. Nf4+ Kf6 36. Kh4 Ng6+ 37. Nxg6 Rxg6 38. Rf5+ Ke7 39. g5 Rg8 40. Kh5 Rh8+ 41. Kg6 Ke6 42. Rf6+ Ke7 43. Kg7 Rh2 44. Rf7+ Ke8 45. Rxb7 1-0

[Event "Leverkusen op"]
[Site "Leverkusen"]
[Date "2004.05.03"]
[Round "9"]
[White "Seelig, Jochen"]
[Black "Erdmann, Kristian"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1332"]
[PlyCount "43"]
[EventDate "2004.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 e6 2. b3 Nc6 3. e3 Nf6 4. Bb2 Bd6 5. Be2 0-0 6. 0-0 Ng4 7. g3 Nce5 8. d4 Nxf3+ 9. Bxf3 Nf6 10. d5 c6 11. c4 e5 12. Qc2 g6 13. Nd2 Re8 14. c5 Bf8 15. d6 b6 16. b4 a5 17. a3 Ba6 18. Rfc1 Nd5 19. Bxd5 cxd5 20. f4 e4 21. Qc3 Rc8 22. Qh8# 1-0

[Event "Leverkusen op"]
[Site "Leverkusen"]
[Date "2004.04.19"]
[Round "8"]
[White "Froehling, Ewald"]
[Black "Erdmann, Kristian"]
[Result "1-0"]
[ECO "C72"]
[WhiteElo "1438"]
[PlyCount "41"]
[EventDate "2004.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 a6 5. Ba4 Qf6 6. Nc3 Be6 7. d4 0-0-0 8. d5 Nd4 9. dxe6 Nxe6 10. Nd5 Qg6 11. Nc3 Nf6 12. Nh4 Qg4 13. Qxg4 Nxg4 14. Nf3 Nf6 15. b4 d5 16. Nxe5 Bxb4 17. Nxd5 Nxd5 18. exd5 Rxd5 19. Bb2 f6 20. Bb3 Rb5 21. Bxe6+ 1-0

[Event "Leverkusen op"]
[Site "Leverkusen"]
[Date "2004.04.05"]
[Round "7"]
[White "Erdmann, Kristian"]
[Black "Hegmann, Werner"]
[Result "0-1"]
[ECO "C55"]
[BlackElo "1669"]
[PlyCount "66"]
[EventDate "2004.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 d6 5. h3 Be7 6. d3 Na5 7. Bd2 c6 8. Ng5 Nxc4 9. dxc4 h6 10. Nf3 Nh7 11. 0-0 0-0 12. Nh2 f5 13. f3 f4 14. Ng4 Qe8 15. Qe1 Qg6 16. Qe2 h5 17. Nf2 Bh4 18. Kh2 Bg3+ 19. Kg1 Bxf2+ 20. Kxf2 Qg3+ 21. Kg1 Bxh3 22. Be1 Qg6 23. Rf2 Be6 24. Qd3 Rad8 25. Rd1 Qf7 26. b3 g5 27. Rfd2 g4 28. Kf1 g3 29. Qe2 Qe7 30. Rd3 Qh4 31. Qd2 Qh1+ 32. Ke2 Qxg2+ 33. Bf2 Qxf2# 0-1

[Event "Leverkusen op"]
[Site "Leverkusen"]
[Date "2004.03.15"]
[Round "6"]
[White "Teuber, Alfons"]
[Black "Erdmann, Kristian"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1200"]
[PlyCount "112"]
[EventDate "2004.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Bd5 f6 5. 0-0 Nge7 6. Bc4 d5 7. exd5 Nxd5 8. a3 Bg4 9. h3 Be6 10. d3 Qd7 11. Bd2 0-0-0 12. b4 Bd4 13. c3 Bb6 14. Qa4 Qe8 15. b5 Na5 16. Ba2 Qg6 17. Nh4 Qxd3 18. c4 Nf4 19. Bxf4 exf4 20. c5 Rd4 21. Bxe6+ Kd8 22. Bf5 Qxf1+ 23. Kxf1 Rxa4 24. cxb6 axb6 25. Nc3 Rd4 26. Nf3 Rd6 27. Rd1 Nc4 28. Rxd6+ Nxd6 29. Be6 Re8 30. Bd5 Kd7 31. Nd2 c6 32. bxc6+ bxc6 33. Bb3 Re5 34. Nc4 Nxc4 35. Bxc4 b5 36. Bb3 Kd6 37. f3 Kc5 38. Ne4+ Kd4 39. Ke2 c5 40. Kd2 c4 41. Bc2 f5 42. Nc3 Re3 43. Ne2+ Ke5 44. Nc3 Kd4 45. Nxb5+ Kc5 46. Nc3 Kd4 47. Ne2+ Ke5 48. Nc3 Kd4 49. a4 Rxc3 50. Bxf5 h6 51. h4 Ra3 52. Bc2 c3+ 53. Ke2 Ra2 54. Kd1 Ke3 55. Bb3 Rb2 56. Kc1 Rxb3 0-1

[Event "Leverkusen op"]
[Site "Leverkusen"]
[Date "2004.03.01"]
[Round "5"]
[White "Erdmann, Kristian"]
[Black "Hoffmann, Frank"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "1739"]
[PlyCount "44"]
[EventDate "2004.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nf3 dxe4 4. dxe4 Qxd1+ 5. Kxd1 Bc5 6. Be3 Bxe3 7. fxe3 Nf6 8. Bd3 0-0 9. e5 Nfd7 10. Rf1 Nc6 11. Ng5 g6 12. Nc3 Ncxe5 13. Nce4 Nxd3 14. cxd3 h6 15. Nf3 b6 16. d4 Ba6 17. Rf2 Rad8 18. Rc1 c5 19. dxc5 Nxc5+ 20. Nfd2 Nxe4 21. Re2 Bxe2+ 22. Kxe2 Rxd2+ 0-1

[Event "Leverkusen op"]
[Site "Leverkusen"]
[Date "2004.02.16"]
[Round "4"]
[White "Schmidt, Werner"]
[Black "Erdmann, Kristian"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1429"]
[PlyCount "74"]
[EventDate "2004.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. h3 0-0 6. 0-0 d6 7. a3 h6 8. b4 Bb6 9. Bb2 a6 10. Nbd2 Nd4 11. Nxd4 Bxd4 12. Bxd4 exd4 13. Nf3 b5 14. Bb3 Nh5 15. Nxd4 Qg5 16. Qf3 Nf4 17. Qg3 Qf6 18. Qe3 Qg5 19. Qg3 Qf6 20. c3 c5 21. Qe3 cxd4 22. cxd4 Qg5 23. g4 Bxg4 24. Kh2 Bxh3 25. Rg1 Bg2 26. Qxf4 Qxf4+ 27. Kxg2 Qg4+ 28. Kf1 Qh3+ 29. Ke2 Kh7 30. Rg3 Qh4 31. Rag1 g6 32. Ke3 f5 33. exf5 Rxf5 34. f3 Re8+ 35. Kd2 Qf4+ 36. Kc2 Rc8+ 37. Kb2 Qd2+ 0-1

[Event "Leverkusen op"]
[Site "Leverkusen"]
[Date "2004.02.02"]
[Round "3"]
[White "Erdmann, Kristian"]
[Black "Gnass, Arno"]
[Result "0-1"]
[ECO "B20"]
[BlackElo "1697"]
[PlyCount "24"]
[EventDate "2004.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. Nc3 Nc6 4. Nf3 a6 5. a4 Qc7 6. d3 Be7 7. g3 Nf6 8. Bf4 d6 9. Qe2 e5 10. Bd2 Bg4 11. Bg5 Nd4 12. Qd2 Nxf3+ 0-1

[Event "Leverkusen op"]
[Site "Leverkusen"]
[Date "2004.01.26"]
[Round "2"]
[White "Schmitz, Andreas Wilhelm"]
[Black "Erdmann, Kristian"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "1815"]
[PlyCount "41"]
[EventDate "2004.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 Nf6 3. b3 Nc6 4. Bb2 Bd6 5. a3 0-0 6. Qc2 h6 7. e3 g6 8. d4 b6 9. Bd3 Kg7 10. Nbd2 a5 11. Ne4 Be7 12. d5 exd5 13. cxd5 Nb8 14. Ng3 Kh7 15. Ne5 d6 16. Bxg6+ fxg6 17. Qxg6+ Kh8 18. Qxh6+ Kg8 19. Qg6+ Kh8 20. Nh5 Rg8 21. Nf7# 1-0

[Event "Leverkusen op"]
[Site "Leverkusen"]
[Date "2004.01.12"]
[Round "1"]
[White "Erdmann, Kristian"]
[Black "Puetzkaul, Karl"]
[Result "1/2-1/2"]
[ECO "B40"]
[BlackElo "1835"]
[PlyCount "54"]
[EventDate "2004.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 c5 3. d3 Nc6 4. Nc3 a6 5. Bg5 Be7 6. Be3 d5 7. d4 cxd4 8. Nxd4 Nf6 9. f3 0-0 10. Qd2 dxe4 11. fxe4 e5 12. Nxc6 Qxd2+ 13. Bxd2 bxc6 14. 0-0-0 Be6 15. Bg5 Rfe8 16. Bd3 Ng4 17. Bxe7 Rxe7 18. Rdf1 Ne3 19. Rf2 Nc4 20. b3 Nb6 21. Rd1 c5 22. Bxa6 f6 23. Bb5 c4 24. b4 Kf7 25. Rfd2 Bg4 26. Rf1 Be6 27. Rfd1 Bg4 1/2-1/2

