[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2019.04.07"]
[Round "11.6"]
[White "Koller, Jens"]
[Black "Sieber, Stephan"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2200"]
[BlackElo "2207"]
[PlyCount "61"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5 Ne4 7. Qf3 Bxc3+ 8. bxc3 f5 9. exf6 Nxf6 10. Ba3 a6 11. Bd3 Nc6 12. Nxc6 bxc6 13. Bd6 Qa5 14. 0-0 Qd5 15. Qxd5 cxd5 16. f3 Kf7 17. Rab1 Re8 18. Rfe1 g6 19. a4 Ng8 20. c4 Ne7 21. cxd5 exd5 22. Re5 Nf5 23. Rxd5 Nxd6 24. Rxd6 Re5 25. Rbb6 a5 26. Rd4 Ke7 27. Rh4 Rh5 28. Rxh5 gxh5 29. Rh6 Bb7 30. Rxh7+ Kd6 31. Rxh5 1-0

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2019.04.06"]
[Round "10.6"]
[White "Sieber, Stephan"]
[Black "Meyer, Kai Christian"]
[Result "0-1"]
[ECO "C86"]
[WhiteElo "2207"]
[BlackElo "2213"]
[PlyCount "96"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Schoeneck"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. c3 d5 8. exd5 Nxd5 9. Nxe5 Nxe5 10. Qxe5 Nf6 11. 0-0 0-0 12. d4 Bd6 13. Qg5 Re8 14. h3 h6 15. Qh4 Re4 16. f4 Bb7 17. Bd1 Re8 18. Nd2 c5 19. Bf3 Qb6 20. dxc5 Bxc5+ 21. Kh2 Rad8 22. Bxb7 Qxb7 23. Qg3 Re3 24. Nf3 Re2 25. Ng1 Rd3 26. Nxe2 Rxg3 27. Nxg3 h5 28. Rf3 h4 29. Nf1 Qe4 30. Be3 Bd6 31. Rd1 Bc7 32. Kh1 Qc2 33. Rd2 Qb1 34. Kh2 Qxa2 35. g3 Ne4 36. Rg2 Qd5 37. gxh4 Qd1 38. Rfg3 Qxf1 39. Rxg7+ Kf8 40. Rg8+ Ke7 41. R8g4 Nf6 42. Rf2 Nxg4+ 43. hxg4 Qd3 44. Bc5+ Ke6 45. h5 Qd1 46. Kg3 f5 47. Rf3 fxg4 48. Kxg4 Kd5 0-1

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2019.03.24"]
[Round "9.7"]
[White "Sieber, Stephan"]
[Black "Hahn, Werner"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "2207"]
[BlackElo "2165"]
[PlyCount "128"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Griesheim II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e6 6. c4 Be7 7. Nc3 0-0 8. Be3 b6 9. Qd2 Bb7 10. Rd1 a6 11. Bd3 Nbd7 12. b3 Qc7 13. 0-0 Rac8 14. Rc1 Qb8 15. Bb1 Rfe8 16. g4 h6 17. h4 d5 18. g5 Nxe4 19. Qg2 Nxc3 20. gxh6 Qe5 21. Rxc3 Bb4 22. Rd3 g6 23. f4 Qh5 24. Nf3 Nc5 25. Rdd1 dxc4 26. bxc4 Bc3 27. Qg3 Rcd8 28. Rxd8 Rxd8 29. Qg5 Qxg5+ 30. hxg5 a5 31. Kf2 Ba6 32. Bc2 Bxc4 33. Rb1 Bxa2 34. Rxb6 Bb4 35. Ne5 Bd5 36. Nc6 Bxc6 37. Rxc6 Nd7 38. Bd4 Nb8 39. Rc4 Rxd4 40. Rc8+ Kh7 41. Ke3 Rd2 42. Ba4 Nd7 43. Rc7 Nf8 44. Rxf7+ Kg8 45. Rg7+ Kh8 46. Be8 Rd8 47. Bb5 Ra8 48. Ba4 Ra7 49. Rxa7 Bc5+ 50. Ke4 Bxa7 51. Be8 Bb8 52. Kf3 e5 53. f5 gxf5 54. g6 Ne6 55. Ke3 Ng5 56. Bc6 Bd6 57. g7+ Kg8 58. Bd5+ Nf7 59. h7+ Kxh7 60. Bxf7 Kxg7 61. Bb3 Kf6 62. Ba4 Bc5+ 63. Kf3 e4+ 64. Ke2 Ke5 0-1

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2019.03.23"]
[Round "8.7"]
[White "Wenner, Frank"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "A87"]
[WhiteElo "2081"]
[BlackElo "2207"]
[PlyCount "61"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Gernsheim"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 g6 2. c4 Bg7 3. g3 f5 4. d4 d6 5. Nc3 Nf6 6. Bg2 0-0 7. 0-0 Qe8 8. d5 c5 9. Re1 Na6 10. e4 Nxe4 11. Nxe4 fxe4 12. Ng5 Bd4 13. Be3 Bxb2 14. Rb1 Bc3 15. Re2 Rb8 16. Nxe4 Be5 17. Bh6 Bg4 18. Bxf8 Bxe2 19. Qxe2 Qxf8 20. Ng5 Qf5 21. Ne4 Nc7 22. a4 b6 23. Bf3 h5 24. Re1 Rf8 25. Bg2 Kg7 26. f4 Bf6 27. Nxf6 Qxf6 28. Qxe7+ Qxe7 29. Rxe7+ Rf7 30. Re2 Kf6 31. Kf2 1/2-1/2

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2019.02.03"]
[Round "7.6"]
[White "Sieber, Stephan"]
[Black "Perlitz, Sven"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2207"]
[BlackElo "2105"]
[PlyCount "115"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Nied Koenig"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 0-0 12. Nc2 Bg5 13. h4 Bh6 14. g4 Bf4 15. Nce3 Bxe3 16. fxe3 Be6 17. Bd3 Rb8 18. Qf3 b4 19. c4 Ne7 20. g5 b3 21. a3 Bxd5 22. exd5 f5 23. gxf6 Rxf6 24. Qg4 Qa5+ 25. Ke2 Rbf8 26. Raf1 Rxf1 27. Rxf1 Rxf1 28. Kxf1 Qd2 29. Qe2 Qc1+ 30. Kg2 g6 31. e4 Kg7 32. c5 Qxc5 33. Bxa6 Qc2 34. Bd3 Qc1 35. Bc4 Qc2 36. Kf2 Ng8 37. Ke3 Qc1+ 38. Kd3 Nf6 39. Bxb3 Nh5 40. Qc2 Nf4+ 41. Kc4 Qf1+ 42. Kb4 Nd3+ 43. Ka5 Nc5 44. Bc4 Qf7 45. Bb5 Qe7 46. a4 Qxh4 47. Bc6 h5 48. Kb5 Nxe4 49. b4 Qe1 50. a5 h4 51. a6 Nd2 52. Qd3 h3 53. Qxh3 Qe2+ 54. Kb6 Nc4+ 55. Kb7 Qf2 56. Qd7+ Kh6 57. Qc7 Qd2 58. b5 1-0

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2019.02.02"]
[Round "6.6"]
[White "Kayser, Felix"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2154"]
[BlackElo "2207"]
[PlyCount "11"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Wiesbaden"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. g3 e6 6. Bg2 1/2-1/2

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2018.04.15"]
[Round "11.6"]
[White "Sieber, Stephan"]
[Black "Neumann, Martin1111"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2217"]
[BlackElo "2049"]
[PlyCount "68"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Gernsheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. Qe2 g6 7. 0-0 Bg7 8. Rd1 0-0 9. d3 Nh5 10. h3 Nf4 11. Bxf4 exf4 12. d4 h6 13. Nbd2 Re8 14. d5 b5 15. dxc6 bxa4 16. Qc4 a3 17. b3 Qf6 18. Rac1 g5 19. Nd4 h5 20. f3 g4 21. fxg4 hxg4 22. hxg4 Bxg4 23. Re1 Re5 24. N2f3 Bxf3 25. Nxf3 Rc5 26. Qb4 Re8 27. Qxa3 Qg6 28. Qxa6 Bxc3 29. Rf1 Rxe4 30. Qd3 Re3 31. Qxg6+ fxg6 32. Rc2 Rd5 33. Rfc1 Ba5 34. Kf1 Rh5 0-1

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2018.04.14"]
[Round "10.6"]
[White "Kayser, Felix"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2149"]
[BlackElo "2217"]
[PlyCount "19"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Wiesbaden"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nc6 5. g3 e6 6. e5 d6 7. exd6 Qxd6 8. Ne4 Qe7 9. Bg2 Nf6 10. d3 1/2-1/2

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2018.01.21"]
[Round "5.4"]
[White "Sieber, Stephan"]
[Black "Prenzler, Daniel"]
[Result "1/2-1/2"]
[ECO "C12"]
[WhiteElo "2217"]
[BlackElo "2166"]
[PlyCount "24"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Frankfurt Koenig Nied"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. Bxf6 Qxf6 6. e5 Qd8 7. a3 Be7 8. f4 c5 9. Nf3 Nc6 10. Ne2 Qb6 11. Rb1 Bd7 12. c3 c4 1/2-1/2

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2017.12.10"]
[Round "4.6"]
[White "Henrich, David"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2092"]
[BlackElo "2217"]
[PlyCount "38"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Frankfurt TV"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 f5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. d3 0-0 6. Rb1 a5 7. a3 c6 8. Qb3 d6 9. Nf3 Na6 10. Na4 Kh8 11. Be3 Nd7 12. d4 Rb8 13. Ng5 Nf6 14. c5 Nc7 15. cxd6 exd6 16. Nb6 d5 17. Nxc8 Qxc8 18. Bf4 Nfe8 19. Nf3 Ra8 1/2-1/2

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2017.11.12"]
[Round "3.6"]
[White "Overbeck, Thorsten"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2306"]
[BlackElo "2217"]
[PlyCount "68"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 f5 2. Nc3 d5 3. Bf4 Nf6 4. e3 e6 5. Nb5 Na6 6. c4 c6 7. Nc3 dxc4 8. Bxc4 Nb4 9. Nge2 Be7 10. 0-0 0-0 11. f3 Nfd5 12. e4 fxe4 13. fxe4 Nxf4 14. Nxf4 Rf6 15. Nce2 g5 16. Nh5 Rxf1+ 17. Kxf1 b5 18. Bb3 c5 19. a3 Nc6 20. d5 Ne5 21. dxe6 Qxd1+ 22. Rxd1 c4 23. Bc2 Bxe6 24. h3 Rf8+ 25. Kg1 Bc5+ 26. Kh1 Nd3 27. Bxd3 cxd3 28. Nc3 Bc4 29. b3 Bxb3 30. Rxd3 Bc4 31. Rd7 Rf1+ 32. Kh2 Bg1+ 33. Kg3 Bf2+ 34. Kh2 Bg1+ 1/2-1/2

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2017.11.11"]
[Round "2.6"]
[White "Sieber, Stephan"]
[Black "Garbe, Ralf"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2217"]
[BlackElo "2195"]
[PlyCount "41"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Schoeneck"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bd3 Nf6 6. Nge2 Bg4 7. h3 Bh5 8. f4 e6 9. 0-0 Bg6 10. f5 Bxf5 11. Bxf5 exf5 12. Ng3 g6 13. Qe2+ Kd8 14. Bg5 Be7 15. Rae1 Qb4 16. a3 Qd6 17. Rxf5 gxf5 18. Nxf5 Qe6 19. Qf2 Nbd7 20. Nxe7 Kxe7 21. d5 1-0

[Event "Oberliga Ost-B 1617"]
[Site "Germany"]
[Date "2017.05.06"]
[Round "10.5"]
[White "Felgendreher, Heiko"]
[Black "Sieber, Stephan"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2222"]
[BlackElo "2208"]
[PlyCount "56"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Moerlenbach Birkenau"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5 Ne4 7. Qg4 Nxc3 8. a3 Qa5 9. Qxg7 Rf8 10. axb4 Qxa1 11. Nb3 Qb1 12. bxc3 Qxc2 13. Bh6 Qxc3+ 14. Nd2 Qxb4 15. Bb5 a6 16. 0-0 axb5 17. Ne4 Kd8 18. Nd6 Nc6 19. Qxf8+ Kc7 20. Rc1 b6 21. Be3 Qb2 22. f4 Qe2 23. Bf2 Qb2 24. Be3 Bb7 25. Ne8+ Kb8 26. Qd6+ Ka7 27. Qxd7 Nd4 28. Nd6 Qxg2# 0-1

[Event "GER CupT 1617 prel5"]
[Site "Knuellwald"]
[Date "2017.01.28"]
[Round "1.2"]
[White "Sieber, Stephan"]
[Black "Schroeder, Kevin"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2203"]
[BlackElo "2300"]
[PlyCount "115"]
[EventDate "2017.01.28"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Solingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Qe2 Be7 5. c3 d6 6. 0-0 0-0 7. Rd1 Bg4 8. h3 Bxf3 9. Qxf3 d5 10. d3 Qd6 11. Bg5 Rad8 12. Nd2 Qe6 13. Bxf6 Bxf6 14. Ba4 Ne7 15. Bb3 c6 16. Kh2 Bg5 17. Qh5 Qf6 18. Nf3 Bh6 19. Kg1 Ng6 20. g3 Rfe8 21. Re1 dxe4 22. dxe4 Nf8 23. Rad1 Qg6 24. Qh4 Rd6 25. Rxd6 Qxd6 26. Rd1 Qe7 27. Qh5 Qf6 28. Nh2 Qg6 29. Qxg6 hxg6 30. h4 Re7 31. Nf3 Nd7 32. Ng5 Bxg5 33. hxg5 Kf8 34. Kg2 Nc5 35. Kf3 Ke8 36. Ke3 a5 37. Rh1 a4 38. Bc2 b5 39. Rh8+ Kd7 40. Rg8 Ne6 41. f4 Re8 42. Rxe8 Kxe8 43. b4 Ke7 44. Bd1 Kd6 45. Bg4 Nc7 46. Bc8 Na8 47. fxe5+ Kxe5 48. Bb7 Nc7 49. Bxc6 Kd6 50. Bd5 Nxd5+ 51. exd5 Kxd5 52. Kd3 a3 53. Kc2 Kc4 54. Kd2 f6 55. Kc2 fxg5 56. g4 Kd5 57. Kd3 Kc6 58. Ke4 1-0

[Event "Oberliga Ost-B 1617"]
[Site "Germany"]
[Date "2017.01.15"]
[Round "5.7"]
[White "Sieber, Stephan"]
[Black "Landsiedel, Stephan"]
[Result "0-1"]
[ECO "C16"]
[WhiteElo "2208"]
[BlackElo "2070"]
[PlyCount "76"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 5. f4 b6 6. a3 Bxc3+ 7. bxc3 Ba6 8. Bxa6 Nxa6 9. Qd3 Nb8 10. Ne2 Ne7 11. 0-0 Nbc6 12. g4 g6 13. Ng3 0-0-0 14. a4 Na5 15. Ba3 Nc4 16. a5 b5 17. Bc5 a6 18. f5 Nc6 19. fxe6 fxe6 20. Rf6 Rdg8 21. g5 Nd8 22. Bb4 h6 23. gxh6 Rxh6 24. Raf1 Qh7 25. R1f2 Rh8 26. Nf1 Rh3 27. Qe2 Kb7 28. Qg4 Rh4 29. Qg2 g5 30. Qg3 g4 31. Rf8 Rxf8 32. Rxf8 Nc6 33. Qf2 Rh3 34. Ng3 N4xe5 35. dxe5 Nxe5 36. Nf1 Nf3+ 37. Kg2 Qe4 38. Rxf3 Rxf3 0-1

[Event "Oberliga Ost-B 1617"]
[Site "Germany"]
[Date "2016.12.04"]
[Round "4.7"]
[White "Sieber, Stephan"]
[Black "Syed, Tareq"]
[Result "1/2-1/2"]
[ECO "A53"]
[WhiteElo "2208"]
[BlackElo "2010"]
[PlyCount "26"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Frankfurt BvK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. f3 e5 4. Ne2 Nbd7 5. c4 c6 6. Nbc3 Be7 7. Be3 0-0 8. g4 d5 9. cxd5 cxd5 10. exd5 exd4 11. Bxd4 Nb6 12. Qb3 Nfxd5 13. 0-0-0 Qc7 1/2-1/2

[Event "Oberliga Ost-B 1617"]
[Site "Germany"]
[Date "2016.11.20"]
[Round "3.7"]
[White "Sieber, Stephan"]
[Black "Kuban, Guenter"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2208"]
[BlackElo "2187"]
[PlyCount "83"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Oberursel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 Bb4 7. Bd3 d5 8. Nxc6 bxc6 9. e5 d4 10. exf6 dxe3 11. fxg7 Bxc3+ 12. bxc3 exf2+ 13. Kxf2 Qb6+ 14. Ke1 Rg8 15. Qg4 Qe3+ 16. Kd1 Qh6 17. Qe4 Qh5+ 18. Ke1 Bd7 19. Qxh7 Qe5+ 20. Kd1 0-0-0 21. Rb1 Kc7 22. Qh4 Bc8 23. Qf2 Rd7 24. Qxa7+ Kd8 25. Qb6+ Ke7 26. Qxc6 Rgd8 27. Kc1 Rc7 28. Qe4 Qxg7 29. Rb3 Rd6 30. Kb2 Bd7 31. Rd1 Bc6 32. Qb4 Bd5 33. Qb8 Rdc6 34. Bb5 Rxc3 35. Qe8+ Kd6 36. Qd8+ Ke5 37. Rxc3 Rxc3 38. Kxc3 Ke4+ 39. Kd2 Qxg2+ 40. Kc1 Qxh2 41. Bd3+ Kd4 42. Qb6+ 1-0

[Event "Oberliga Ost-B 1617"]
[Site "Germany"]
[Date "2016.11.19"]
[Round "2.6"]
[White "Sieber, Stephan"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2208"]
[BlackElo "2269"]
[PlyCount "68"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. Bb5+ Nbd7 6. c4 a6 7. Ba4 b5 8. cxb5 Nxd5 9. Nc3 Nb4 10. a3 Nd3+ 11. Kf1 Nxc1 12. Rxc1 e6 13. bxa6 Rxa6 14. Nge2 Be7 15. Bb5 Ra5 16. d5 e5 17. Ng3 Bg6 18. Nge4 0-0 19. a4 Nb6 20. Qb3 Kh8 21. Ke2 f5 22. Ng3 e4 23. fxe4 fxe4 24. Rhf1 Ra8 25. Rxf8+ Bxf8 26. Bc6 Rb8 27. Ncxe4 Nd7 28. Qf3 Ne5 29. Qc3 Nxc6 30. Qxc6 Qh4 31. Qxc7 Re8 32. Rf1 Bxe4 33. Qe5 Qg4+ 34. Kd2 Bb4+ 0-1

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2016.04.10"]
[Round "11.7"]
[White "Machowitsch, Wolf"]
[Black "Sieber, Stephan"]
[Result "0-1"]
[ECO "A87"]
[WhiteElo "1979"]
[BlackElo "2203"]
[PlyCount "82"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Nied"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 f5 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nf6 5. 0-0 0-0 6. c4 d6 7. Nc3 Qe8 8. e4 Nxe4 9. Nxe4 fxe4 10. Ng5 Nc6 11. Be3 h6 12. Nxe4 Kh7 13. Qd2 e5 14. dxe5 Nxe5 15. Qc2 Qf7 16. Nd2 Bf5 17. Qb3 c6 18. Rad1 Bd3 19. Rfe1 Bxc4 20. Nxc4 Nxc4 21. Bf4 d5 22. Re2 Rae8 23. Rde1 b5 24. a4 a6 25. axb5 axb5 26. Bc1 Rxe2 27. Rxe2 Qa7 28. Qc2 Bd4 29. b3 Ne5 30. Bf4 Qa1+ 31. Bc1 Rxf2 32. Rxf2 Bxf2+ 33. Kxf2 Qxc1 34. Qxc1 Nd3+ 35. Ke3 Nxc1 36. b4 Na2 37. Kd4 Nxb4 38. Kc5 Nc2 39. Kxc6 b4 40. Kxd5 b3 41. Be4 Na3 0-1

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2016.02.21"]
[Round "8.8"]
[White "Sieber, Stephan"]
[Black "Oparaugo, Thomas"]
[Result "1-0"]
[ECO "C86"]
[WhiteElo "2203"]
[BlackElo "2094"]
[PlyCount "101"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Oberursel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 d6 6. c3 Be7 7. 0-0 Bg4 8. h3 Bh5 9. Rd1 0-0 10. d3 Nd7 11. Nbd2 Bg6 12. g4 h5 13. Nf1 hxg4 14. hxg4 Nf6 15. Nh4 Nh7 16. Nxg6 fxg6 17. Bb3+ Kh8 18. Kg2 Bh4 19. Ng3 g5 20. Be3 g6 21. Rh1 Qe7 22. Rh3 Kg7 23. Rah1 Nf6 24. Nf1 Rh8 25. f3 Raf8 26. Kg1 Nd7 27. d4 Rh6 28. d5 Nd8 29. Bd1 Rfh8 30. Kg2 a5 31. b4 axb4 32. cxb4 Nf7 33. Qb5 Ra8 34. a4 b6 35. Qc6 Qd8 36. Nd2 Rh8 37. Be2 Nf6 38. Rc1 Ne8 39. Nb3 Kf6 40. a5 bxa5 41. bxa5 Rb8 42. Bb5 Kg7 43. a6 Nf6 44. a7 Nxg4 45. Bg1 Rxb5 46. Qxb5 Nf6 47. Qb7 g4 48. Rxh4 gxf3+ 49. Kxf3 Ng5+ 50. Ke2 Rxh4 51. Qxc7+ 1-0

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2016.02.20"]
[Round "9.7"]
[White "Sieber, Stephan"]
[Black "Voropaev, Gleb"]
[Result "0-1"]
[ECO "C86"]
[WhiteElo "2203"]
[BlackElo "2245"]
[PlyCount "80"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Heusenstamm"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. c3 b5 7. Bb3 d6 8. 0-0 0-0 9. Rd1 Na5 10. Bc2 c5 11. d3 Qc7 12. Nbd2 Re8 13. Nf1 Bf8 14. Bg5 Nd7 15. Ng3 h6 16. Be3 g6 17. Nd2 Nf6 18. h3 d5 19. Qf3 Re6 20. Nb3 d4 21. Nxa5 dxe3 22. Nb3 c4 23. Nc1 exf2+ 24. Kh1 Bb7 25. dxc4 bxc4 26. Qxf2 h5 27. Qe3 Qb6 28. Qe2 Qc6 29. b3 h4 30. Nf1 Nxe4 31. Bxe4 Qxe4 32. bxc4 Qf5 33. Rd3 Bc6 34. Nb3 a5 35. Ne3 Qg5 36. Nd5 e4 37. Rd4 Bd6 38. Rxe4 Qg3 39. Kg1 Bxd5 40. cxd5 Rf6 0-1

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2016.01.17"]
[Round "7.7"]
[White "Sieber, Stephan"]
[Black "Mueller, Gunther"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2203"]
[PlyCount "57"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Liebschwitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Be7 8. Qd2 Qc7 9. g4 b5 10. 0-0-0 Bb7 11. g5 Nfd7 12. a3 Nc6 13. h4 Nce5 14. h5 Nc4 15. Bxc4 Qxc4 16. g6 hxg6 17. hxg6 Rxh1 18. Rxh1 fxg6 19. b3 Qc5 20. Ndxb5 Qc6 21. Nd4 Qc5 22. Nxe6 Qxa3+ 23. Kb1 Bf6 24. Bd4 Kf7 25. Ng5+ Ke7 26. Rh7 Rf8 27. Nd5+ Bxd5 28. exd5 Kd8 29. Ne6+ 1-0

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2016.01.16"]
[Round "6.7"]
[White "Stiefel, Roland"]
[Black "Sieber, Stephan"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2028"]
[BlackElo "2203"]
[PlyCount "96"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Weimar"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 f5 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. c3 c6 6. Nbd2 Nh6 7. Qb3 Nf7 8. Bc4 d5 9. Be2 Nd7 10. h4 h6 11. c4 e6 12. Qc2 Qf6 13. 0-0-0 0-0 14. Rdg1 e5 15. Bg3 e4 16. Ne1 c5 17. Nb3 b6 18. Kb1 cxd4 19. Nxd4 Bb7 20. Qd2 Rac8 21. Bf4 Nde5 22. g4 fxg4 23. Bxg4 Rxc4 24. Be6 Kh7 25. Bxf7 Nxf7 26. Nec2 Ne5 27. Na3 Rcc8 28. h5 g5 29. Bxe5 Qxe5 30. Nab5 Ba6 31. Nc3 Bd3+ 32. Ka1 Rc5 33. f4 gxf4 34. Rxg7+ Kxg7 35. Qg2+ Kh8 36. Qg6 Qf6 37. exf4 Qxf4 38. a3 Qf6 39. Ne6 Qxg6 40. hxg6 Rf1+ 41. Rxf1 Bxf1 42. Nxc5 bxc5 43. Nxd5 h5 44. Kb1 h4 45. Ne3 Bd3+ 46. Kc1 h3 47. Ng4 Be2 48. Nh2 e3 0-1

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2015.11.15"]
[Round "4.7"]
[White "Sieber, Stephan"]
[Black "Serbu, Eli"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2203"]
[BlackElo "2121"]
[PlyCount "143"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Wiesbaden"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 Nf6 7. a3 a6 8. Be2 Be7 9. 0-0 d6 10. f4 Bd7 11. Qe1 h5 12. h3 Na5 13. Rd1 Rc8 14. Kh1 b5 15. Bc1 Nc4 16. Bxc4 Qxc4 17. e5 Nh7 18. exd6 Bxd6 19. Nxe6 Bxe6 20. Rxd6 0-0 21. f5 Qc7 22. Qd1 Rcd8 23. Rxd8 Rxd8 24. Qxh5 Bc4 25. Re1 Qg3 26. Re3 Qf2 27. Qf3 Qxc2 28. Re1 Bd3 29. Nd5 Qc4 30. Nb4 Nf6 31. Rd1 Ne4 32. Kh2 Nc5 33. Be3 a5 34. Bxc5 axb4 35. Bxb4 Rd5 36. Qg3 Bxf5 37. Bc3 Bg6 38. Qb8+ Kh7 39. Re1 f6 40. Re7 Rf5 41. Bd2 Qd5 42. Bf4 Qg8 43. Qc7 Rd5 44. Qb7 Rf5 45. Be3 Qf8 46. Kg1 Rh5 47. Bd4 Rf5 48. Rd7 Qg8 49. Qc7 Be8 50. Re7 Bg6 51. Qd7 Qf8 52. b3 Rf4 53. Be3 Rf5 54. a4 bxa4 55. bxa4 Ra5 56. Bb6 Rxa4 57. Rxg7+ Qxg7 58. Qxa4 Qe7 59. Qh4+ Kg7 60. Bd4 Qd6 61. Be3 Qd1+ 62. Kh2 Qh5 63. Qf4 Bf7 64. Bd4 Qg6 65. g4 Qc2+ 66. Kg3 Qd3+ 67. Be3 Qc3 68. Qh6+ Kg8 69. h4 Qe1+ 70. Kf4 Qf1+ 71. Ke4 Qg2+ 72. Kf4 1/2-1/2

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2015.04.12"]
[Round "11.5"]
[White "Wege, Jochen"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "B93"]
[WhiteElo "2239"]
[BlackElo "2193"]
[PlyCount "87"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Frankfurt BvK"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 d6 2. e4 c5 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Nf6 6. f4 Qc7 7. a4 e5 8. Nf3 Be6 9. Bd3 Nbd7 10. 0-0 Be7 11. Kh1 Bc4 12. a5 0-0 13. Be3 Ng4 14. Bg1 Bxd3 15. cxd3 exf4 16. Nd5 Qd8 17. Nxf4 Nge5 18. Nd5 Bf6 19. Nxe5 Bxe5 20. d4 Bf6 21. Qb3 Rb8 22. Rac1 Bg5 23. Rc7 Nf6 24. Nxf6+ Bxf6 25. Rfc1 h6 26. Qd5 Bg5 27. R1c2 Bd2 28. e5 Bb4 29. e6 fxe6 30. Qxe6+ Kh8 31. h3 Bxa5 32. Rd7 Qf6 33. Rxd6 Qxe6 34. Rxe6 Rf7 35. d5 Rd8 36. d6 Bb4 37. Rc7 Rdd7 38. Bc5 Bxc5 39. Rxc5 Rf1+ 40. Kh2 Rd1 41. Rc7 R1xd6 42. Rxb7 Rxb7 43. Rxd6 Rxb2 44. Rxa6 1/2-1/2

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2015.04.11"]
[Round "10.5"]
[White "Sieber, Stephan"]
[Black "Overbeck, Thorsten"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2193"]
[BlackElo "2311"]
[PlyCount "35"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. h3 h6 9. Bc4 Be6 10. Qd3 Nc6 11. Nd5 Bxd5 12. exd5 e4 13. Qc3 Na5 14. Nd2 Rc8 15. Qd4 Nxc4 16. Nxc4 Rc5 17. Nb6 Rxc2 18. Qa4+ 1-0

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2015.02.22"]
[Round "8.6"]
[White "Sieber, Stephan"]
[Black "Hartung, Katja"]
[Result "1-0"]
[ECO "C86"]
[WhiteElo "2193"]
[BlackElo "1943"]
[PlyCount "37"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Merseburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. c3 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Qxe5 c6 12. d4 Bd6 13. Qh5 g6 14. Qf3 Qh4 15. g3 Bg4 16. Qxd5 cxd5 17. gxh4 Be2 18. Bxd5 Rae8 19. Bh6 1-0

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2015.02.21"]
[Round "9.5"]
[White "Sieber, Stephan"]
[Black "Haubt, Georg"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2193"]
[BlackElo "2204"]
[PlyCount "68"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Oberursel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Bc4 d6 5. 0-0 0-0 6. d3 c6 7. Bg5 Be6 8. Bb3 h6 9. Bh4 Nbd7 10. Ne2 d5 11. c3 Bd6 12. exd5 Bxd5 13. Ng3 Re8 14. Nf5 Bf8 15. Re1 Bxb3 16. axb3 g6 17. Ne3 b5 18. b4 a5 19. bxa5 Rxa5 20. Ng4 Rxa1 21. Nxf6+ Nxf6 22. Qxa1 g5 23. Bg3 e4 24. dxe4 Nxe4 25. Be5 Nc5 26. Rd1 Qc8 27. Bd4 Nb3 28. Qa7 Qf5 29. Be3 Rd8 30. Re1 c5 31. Qb6 Qd7 32. h3 Re8 33. Rf1 Bd6 34. Nd2 Re6 0-1

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2015.01.18"]
[Round "7.6"]
[White "Sieber, Stephan"]
[Black "Sehrt, Juergen"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2193"]
[BlackElo "2279"]
[PlyCount "80"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Giessen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Nbd7 9. Qd2 Rc8 10. 0-0-0 Nb6 11. g4 Be7 12. g5 Nh5 13. Rg1 0-0 14. Kb1 Qc7 15. h4 Rfd8 16. Qf2 Nd7 17. Nd5 Bxd5 18. Rxd5 Nf4 19. Bxf4 exf4 20. Bh3 Nb6 21. Rd3 Rb8 22. Rgd1 Nc4 23. Qh2 g6 24. Qxf4 Bf8 25. Qh2 Bg7 26. Nd4 b5 27. h5 Re8 28. hxg6 hxg6 29. Rh1 Qc5 30. Nb3 Qxg5 31. f4 Qh4 32. c3 Rxe4 33. Nd2 Rxf4 34. Rg1 Rf2 35. Rg2 Nxd2+ 36. Rxd2 Qe4+ 37. Kc1 Rf1+ 38. Rd1 Bh6+ 39. Rgd2 Rxd1+ 40. Kxd1 Qb1+ 0-1

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2015.01.17"]
[Round "6.6"]
[White "Schmidt, Arndt"]
[Black "Sieber, Stephan"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2128"]
[BlackElo "2193"]
[PlyCount "170"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. b3 c5 2. Bb2 d5 3. e3 Nc6 4. Bb5 Qb6 5. a4 a6 6. Bxc6+ bxc6 7. f4 c4 8. a5 Qb7 9. Nf3 Bg4 10. 0-0 e6 11. Ba3 cxb3 12. Bxf8 b2 13. Ra3 Kxf8 14. Rb3 Qc7 15. Rxb2 Qxa5 16. Nc3 Bxf3 17. Qxf3 Nf6 18. Ra2 Qc7 19. Qe2 a5 20. Rb1 Ke7 21. Qf1 Rhb8 22. Rba1 Rb4 23. Qc1 d4 24. exd4 Rxd4 25. Ne2 Re4 26. Qa3+ Ke8 27. Qf3 Qb6+ 28. Kh1 h5 29. h3 Rb4 30. Nc3 Nd5 31. Nxd5 cxd5 32. Qxh5 Rb1+ 33. Rxb1 Qxb1+ 34. Kh2 Qxa2 35. Qh8+ Ke7 36. Qxa8 Qa1 37. Qa7+ Kf6 38. c3 Qa4 39. Qc7 Kg6 40. d3 f6 41. c4 dxc4 42. dxc4 Qb4 43. c5 a4 44. Qd6 a3 45. Qd3+ Kh6 46. c6 a2 47. c7 Qxf4+ 48. Qg3 Qc4 49. Qe3+ Kg6 50. Qa7 f5 51. c8Q Qxc8 52. Qxa2 Qc7+ 53. g3 Qe5 54. Qd2 Qd5 55. Qf2 e5 56. Qb6+ Kf7 57. Qa7+ Kf6 58. h4 e4 59. Qa1+ Qe5 60. Qa6+ Qe6 61. Qa1+ Kg6 62. Qf1 e3 63. Qe2 Qb6 64. Kg2 Qc6+ 65. Kg1 Qc1+ 66. Kg2 Qc6+ 67. Kg1 Qe4 68. Qa6+ Kf7 69. Qa2+ Kf6 70. Qa6+ Ke5 71. Qe2 Kd4 72. Qb2+ Kd3 73. Qb5+ Kd2 74. Qb2+ Qc2 75. Qd4+ Qd3 76. Qb2+ Ke1 77. Qc1+ Ke2 78. Qf1+ Kd2 79. Qf4 Qe4 80. Qd6+ Ke2 81. Qa6+ Kf3 82. Qa2 e2 83. Kh2 e1Q 84. Qg2+ Kg4 85. Qh3+ Kh5 0-1

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2014.12.07"]
[Round "5.5"]
[White "Sieber, Stephan"]
[Black "Heyder, Florian"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2193"]
[BlackElo "2175"]
[PlyCount "72"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Sangerhausen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Bc5 7. c3 Qe7 8. 0-0 0-0 9. Rd1 h6 10. d3 Re8 11. Nbd2 d6 12. Nf1 Bb6 13. Ng3 Be6 14. Bc2 Rad8 15. h3 Bc8 16. Nh4 d5 17. Nhf5 Qf8 18. Qf3 dxe4 19. dxe4 Nh7 20. Nh5 Rxd1+ 21. Qxd1 Bxf5 22. exf5 Rd8 23. Qf3 Rd6 24. a4 b4 25. Be4 bxc3 26. Bxc6 cxb2 27. Bxb2 Ng5 28. Qg4 Rxc6 29. h4 Rc2 30. Ba3 Rxf2 31. Kh1 Qxa3 32. Rxa3 Rf1+ 33. Kh2 Bg1+ 34. Kg3 Bf2+ 35. Kh2 Bg1+ 36. Kg3 Bf2+ 1/2-1/2

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2014.11.09"]
[Round "4.5"]
[White "Klundt, Klaus"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "B82"]
[WhiteElo "2313"]
[BlackElo "2193"]
[PlyCount "88"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Heusenstamm"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Qf3 Qc7 8. Bd3 b5 9. 0-0 Bb7 10. Kh1 Nc6 11. Nxc6 Qxc6 12. a3 0-0-0 13. Bd2 d5 14. exd5 exd5 15. a4 b4 16. Na2 a5 17. Nc1 Ne4 18. Nb3 Nxd2 19. Nxd2 Kb8 20. Nb3 Qb6 21. Rae1 Bd6 22. Bb5 h5 23. c3 Rc8 24. Qe3 Qxe3 25. Rxe3 bxc3 26. bxc3 Rc7 27. Nxa5 Ba8 28. Rb1 Ka7 29. Nb3 Rhc8 30. Nd4 Bxf4 31. Rf3 Be5 32. Bf1 Bxd4 33. cxd4 f6 34. Kg1 Rc1 35. Rxc1 Rxc1 36. Kf2 Bc6 37. Re3 Kb6 38. Re7 Rd1 39. Rxg7 Rxd4 40. Be2 Rxa4 41. Bxh5 Ra2+ 42. Kg3 d4 43. Bf3 Bxf3 44. Kxf3 Kc5 1/2-1/2

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2014.10.19"]
[Round "3.7"]
[White "Gulich, Christian"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "2024"]
[BlackElo "2193"]
[PlyCount "54"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Weimar Vimaria"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Bc4 b5 9. Bxe6 fxe6 10. Nxe6 Qb6 11. Nd5 Nxd5 12. Qxd5 Nb8 13. Nxf8 Rxf8 14. Qxa8 Bb7 15. Qxb8+ Kf7 16. Qxf8+ Kxf8 17. 0-0-0 Bxe4 18. Rhe1 d5 19. Rd2 Qa5 20. a3 b4 21. Re3 Qc5 22. Rde2 bxa3 23. Rxa3 Qg1+ 24. Kd2 Qd4+ 25. Kc1 Qg1+ 26. Kd2 Qd4+ 27. Kc1 Qg1+ 1/2-1/2

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2014.10.18"]
[Round "2.7"]
[White "Sieber, Stephan"]
[Black "Richter, Sebastian"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2193"]
[PlyCount "67"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Jena Schott"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Bd3 c6 6. Nge2 g6 7. 0-0 Bg7 8. h3 0-0 9. Be3 Nbd7 10. f4 Qc7 11. f5 Nd5 12. Nxd5 cxd5 13. Qd2 e5 14. fxe6 fxe6 15. Rxf8+ Nxf8 16. Bf4 Qb6 17. c3 e5 18. Be3 e4 19. Bb1 Bf5 20. a3 Kh8 21. Nf4 Rd8 22. Ba2 Qc6 23. Rf1 Ne6 24. Bxd5 Rxd5 25. Nxd5 Qxd5 26. g4 Qd6 27. Qh2 Qf8 28. gxf5 gxf5 29. Qf2 Qd6 30. Kg2 f4 31. Bxf4 Qd5 32. Be3 Nf8 33. Qf5 Qg8 34. Qf7 1-0

[Event "Oberliga Ost-B 1415"]
[Site "Germany"]
[Date "2014.09.21"]
[Round "1.6"]
[White "Hahn, Markus"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "A81"]
[WhiteElo "2221"]
[BlackElo "2193"]
[PlyCount "118"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nh3 Nf6 5. Nf4 d6 6. d5 c5 7. Nc3 Na6 8. e4 0-0 9. 0-0 Rb8 10. a4 Nc7 11. exf5 Bxf5 12. Qe2 a6 13. a5 b6 14. axb6 Rxb6 15. Nd1 Ng4 16. c3 Ne5 17. Ne3 Bd7 18. Ne6 Nxe6 19. dxe6 Bxe6 20. f4 Nd7 21. Bd5 Bf7 22. Bxf7+ Rxf7 23. Rxa6 Rxa6 24. Qxa6 Qb6 25. Qc4 Qb7 26. Qd5 Qxd5 27. Nxd5 e6 28. Nc7 Nf8 29. Ne8 d5 30. Nxg7 Rxg7 31. b4 cxb4 32. cxb4 Rc7 33. Be3 Rc3 34. Bf2 Rb3 35. Bc5 Nd7 36. Bd6 d4 37. Kf2 Nf6 38. Ke2 Nd5 39. Ra1 Nxb4 40. Ra8+ Kf7 41. Ra7+ Kg8 42. Ra8+ Kf7 43. Ra7+ Kg8 44. Bxb4 Rxb4 45. Kd3 Rb2 46. Kxd4 Rxh2 47. Ke5 Rh5+ 48. Kxe6 Rf5 49. Ra4 h5 50. Re4 Kg7 51. Rd4 Rf7 52. Rc4 Ra7 53. Rc5 Rf7 54. Rg5 h4 55. gxh4 Rxf4 56. h5 Rf6+ 57. Ke7 Ra6 58. Rxg6+ Rxg6 59. hxg6 Kxg6 1/2-1/2

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2014.04.06"]
[Round "11.7"]
[White "Broemel, Richard"]
[Black "Sieber, Stephan"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2172"]
[BlackElo "2192"]
[PlyCount "74"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Jena"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 c5 2. c3 e6 3. Nf3 Nf6 4. e3 d5 5. Bd3 Nc6 6. Nbd2 Bd6 7. 0-0 0-0 8. Re1 e5 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. Nf1 Re8 12. Qc2 Bd7 13. Bd2 b5 14. Rad1 Bc6 15. b3 c4 16. Be2 Ne4 17. f3 Nxd2 18. Rxd2 Qa5 19. Rc1 Rac8 20. b4 Qb6 21. Kh1 a5 22. a3 axb4 23. axb4 Ra8 24. f4 Bf6 25. Bf3 Ra3 26. Bxd5 Rxc3 27. Qd1 Rxc1 28. Qxc1 Ra8 29. Bxc6 Qxc6 30. Kg1 h6 31. Qc2 c3 32. g3 Qc4 33. Re2 Qxb4 34. e4 Bd4+ 35. Kg2 Qc4 36. e5 b4 37. Qe4 Ra2 0-1

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2014.04.05"]
[Round "10.7"]
[White "Sieber, Stephan"]
[Black "Biel, Maik"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2192"]
[BlackElo "2171"]
[PlyCount "61"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Liebschwitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. Rg1 Nc6 8. Be3 Bd7 9. h4 h5 10. Bg5 hxg4 11. Qd2 a6 12. 0-0-0 Ne5 13. Be2 Rc8 14. f4 gxf3 15. Nxf3 Qa5 16. Nxe5 Qxe5 17. Bf4 Qa5 18. Bxd6 Bxd6 19. Qxd6 Rxc3 20. bxc3 Qxc3 21. Bd3 Rxh4 22. Kb1 Qc6 23. Qd4 Nxe4 24. Bxe4 Rxe4 25. Qxg7 Qb5+ 26. Kc1 Qe5 27. Rdf1 f5 28. Qg8+ Ke7 29. Rg7+ Kd6 30. Rd1+ Rd4 31. Qb8+ 1-0

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2014.03.16"]
[Round "9.7"]
[White "Hentzgen, Thomas"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "2035"]
[BlackElo "2192"]
[PlyCount "101"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Halle"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 f5 2. d4 g6 3. Nc3 Nf6 4. h4 Bg7 5. h5 Nxh5 6. e4 Nf6 7. e5 Ng8 8. Nf3 d6 9. Bf4 dxe5 10. Bxe5 Nf6 11. Nd5 Na6 12. Nf4 e6 13. Qb3 Qe7 14. c5 Ne4 15. Nxg6 hxg6 16. Rxh8+ Bxh8 17. Bxh8 c6 18. Be5 b6 19. Qa4 b5 20. Qa5 Qd8 21. Qxd8+ Kxd8 22. a3 Nc7 23. Bd3 Nd5 24. Bxe4 fxe4 25. Ng5 e3 26. Ke2 exf2 27. Kxf2 Ke7 28. Ne4 Bd7 29. Rh1 Rg8 30. Rh7+ Kd8 31. Kg3 a5 32. Rf7 a4 33. Nd6 Ne3 34. Ne4 Nd5 35. Kg4 Ke8 36. Nd6+ Kd8 37. Kg5 Be8 38. Ra7 Rf8 39. Ra8+ Ke7 40. Nxe8 Rxe8 41. Ra7+ Kd8 42. Kxg6 Rg8+ 43. Kf7 Rxg2 44. Kxe6 Rg6+ 45. Kf7 Rh6 46. Kg7 Rh1 47. Kg6 Rg1+ 48. Kf5 Rg2 49. Rg7 Rxg7 50. Bxg7 Kd7 51. Ke4 1/2-1/2

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2014.02.23"]
[Round "8.7"]
[White "Sieber, Stephan"]
[Black "Trumpp, Lothar"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2192"]
[BlackElo "2066"]
[PlyCount "93"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 exd4 6. Nxd4 Ne5 7. Bb3 Be7 8. a4 0-0 9. 0-0 c6 10. f4 Ned7 11. Qf3 Nc5 12. Ba2 a5 13. h3 Re8 14. Nb3 Nxb3 15. Bxb3 Be6 16. Bxe6 fxe6 17. Be3 Rf8 18. Rad1 Nd7 19. Qg4 Rf6 20. Bd4 e5 21. fxe5 Rxf1+ 22. Rxf1 dxe5 23. Qe6+ Kh8 24. Be3 Qe8 25. Qc4 Qg6 26. Rd1 Nf8 27. Bc5 Bg5 28. Qb3 b5 29. axb5 cxb5 30. Qxb5 Bf4 31. Qb7 Re8 32. Ne2 Ne6 33. Qc6 Nxc5 34. Qxc5 Qxe4 35. Nxf4 exf4 36. Qf2 Qe5 37. Rd4 Rf8 38. c4 a4 39. Rd5 Qe4 40. Rd4 Qe5 41. c5 Qxc5 42. Rxa4 Qxf2+ 43. Kxf2 Rb8 44. Kf3 g5 45. b4 h6 46. Kg4 Kg7 47. h4 1/2-1/2

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2014.01.19"]
[Round "7.6"]
[White "Oparaugo, Thomas"]
[Black "Sieber, Stephan"]
[Result "1-0"]
[ECO "A86"]
[WhiteElo "2104"]
[BlackElo "2192"]
[PlyCount "99"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Oberursel"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. Bg5 d6 7. Qd2 Nc6 8. 0-0-0 Ng4 9. Bd5+ Kh8 10. e3 h6 11. h3 Nf6 12. Bxf6 Rxf6 13. Nge2 e6 14. Bg2 Qe8 15. h4 a6 16. Kb1 Rb8 17. Nf4 b5 18. cxb5 axb5 19. Rc1 Na5 20. b3 c5 21. dxc5 dxc5 22. Qd6 Bb7 23. Qxc5 Bxg2 24. Nxg2 e5 25. Nd5 Rc6 26. Qb4 Qd8 27. e4 Rc4 28. Qe7 Rxe4 29. Rc7 Qxe7 30. Nxe7 Rb7 31. Rhc1 Re2 32. h5 gxh5 33. Nxf5 Bf6 34. Rxb7 Nxb7 35. Rc8+ Nd8 36. Rc2 Rxc2 37. Kxc2 Kh7 38. Nd6 b4 39. Kd3 Kg6 40. Nh4+ Bxh4 41. gxh4 Kf6 42. Ke4 Ke6 43. Nc4 Nf7 44. f3 Nd6+ 45. Nxd6 Kxd6 46. f4 exf4 47. Kxf4 Kd5 48. Kf5 Kd4 49. Ke6 Ke4 50. Kd6 1-0

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2014.01.18"]
[Round "6.5"]
[White "Konrad, Lutz"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "A81"]
[WhiteElo "2183"]
[BlackElo "2192"]
[PlyCount "100"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Giessen"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 f5 2. g3 g6 3. Bg2 Nf6 4. c3 Bg7 5. Qb3 d5 6. Nd2 0-0 7. Nh3 c6 8. Nf3 Nh5 9. Nf4 Nxf4 10. Bxf4 Nd7 11. 0-0 Qe8 12. c4 dxc4 13. Qxc4+ Kh8 14. Ne5 Nxe5 15. dxe5 Qf7 16. Qc5 Qe6 17. h4 Bd7 18. Rfd1 b6 19. Qc3 Rac8 20. Rd2 Be8 21. b3 h6 22. Rad1 Kh7 23. Rc2 Qf7 24. Qe3 c5 25. e6 Qf6 26. Bb7 Bc6 27. Bxc8 Rxc8 28. f3 Bb5 29. Kg2 Rc6 30. a4 Rxe6 31. Qf2 Bc6 32. a5 bxa5 33. Qxc5 a4 34. b4 a6 35. Kf2 Bb5 36. Qd5 Rc6 37. Rdd2 e5 38. Rxc6 Bxc6 39. Bxe5 Qxe5 40. Qxc6 f4 41. Qc5 fxg3+ 42. Kg2 Qa1 43. h5 Qb1 44. Rd7 gxh5 45. e4 Qa2+ 46. Kxg3 Qe6 47. Qf5+ Qxf5 48. exf5 a3 49. Ra7 a2 50. Rxa6 a1Q 1/2-1/2

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2013.12.15"]
[Round "5.6"]
[White "Engelmann, Jakob"]
[Black "Sieber, Stephan"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2186"]
[BlackElo "2192"]
[PlyCount "70"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Sangerhausen"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 f5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nf6 5. d3 d6 6. e3 0-0 7. Nge2 e5 8. 0-0 c6 9. b4 Nh5 10. f4 exf4 11. gxf4 Re8 12. b5 Nf6 13. bxc6 bxc6 14. Nd4 Ng4 15. Qf3 Bxd4 16. exd4 Qb6 17. Ne2 Bd7 18. Kh1 Na6 19. h3 Nf6 20. Ba3 Re6 21. Rab1 Qa5 22. Rb3 Rae8 23. Nc3 Re3 24. Qd1 c5 25. Bc1 R3e7 26. Bd2 Qc7 27. Nb5 Bxb5 28. cxb5 Nb4 29. Qc1 Kg7 30. Qc4 Nxa2 31. dxc5 Qxc5 32. Rb2 Rc8 33. Qxa2 Rb8 34. Qb3 Re2 35. Bc3 Qe3 0-1

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2013.11.10"]
[Round "3.7"]
[White "Prudlo, Simon"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "B70"]
[WhiteElo "2169"]
[BlackElo "2192"]
[PlyCount "30"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Heusenstamm"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 g6 3. Nge2 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Nde2 d6 7. g3 Nf6 8. Bg2 Be6 9. h3 Qd7 10. Nf4 Bc4 11. b3 Nh5 12. Bb2 Nxf4 13. gxf4 Be6 14. Qd2 0-0-0 15. 0-0-0 f5 1/2-1/2

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2013.11.09"]
[Round "2.7"]
[White "Sieber, Stephan"]
[Black "Schwenkreis, Thomas"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2192"]
[BlackElo "2202"]
[PlyCount "89"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Frankfurt BvK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. Bd3 e5 4. d5 g6 5. Ne2 Bg7 6. f3 a5 7. Be3 Nh5 8. c4 Nf4 9. Bxf4 exf4 10. Nbc3 Qh4+ 11. Kd2 Qf6 12. a4 Na6 13. Kc1 Nc5 14. Ra3 Ra6 15. Qd2 0-0 16. Kb1 Rb6 17. Nxf4 Bd7 18. Nfe2 Rb4 19. Ka2 Bxa4 20. Nxa4 Nxa4 21. b3 Nc5 22. Rb1 b6 23. Bc2 Rb8 24. Nc1 Na6 25. Nd3 Qd4 26. Qe1 Rxc4 27. bxc4 Qxc4+ 28. Bb3 Qxd3 29. Rd1 Qb5 30. Qf1 Nb4+ 31. Kb1 Qc5 32. Rc1 Qd4 33. Qe2 Nd3 34. Rd1 Qb4 35. Ka2 Nc5 36. Qc4 Nxb3 37. Qxb3 Qc5 38. Kb1 Rc8 39. Ra2 b5 40. Rxa5 Rb8 41. Rc1 Qb6 42. Ra2 Bh6 43. Rd1 b4 44. Rc2 Ra8 45. Ra2 1/2-1/2

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2013.10.13"]
[Round "1.7"]
[White "Cherny, Andrey"]
[Black "Sieber, Stephan"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2197"]
[BlackElo "2192"]
[PlyCount "43"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 c5 2. c3 e6 3. Nf3 b6 4. e4 Bb7 5. Bd3 d6 6. 0-0 Nd7 7. Re1 Ngf6 8. Bg5 Qc7 9. d5 h6 10. dxe6 fxe6 11. e5 hxg5 12. exf6 gxf6 13. Rxe6+ Be7 14. Bg6+ Kf8 15. Na3 Ne5 16. Nxe5 dxe5 17. Nb5 Qd8 18. Nd6 Bc8 19. Qd5 Kg7 20. Rxf6 Bxf6 21. Qf7+ Kh6 22. Be4 1-0

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2013.04.14"]
[Round "11.3"]
[White "Seifert, Christopher"]
[Black "Sieber, Stephan"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2254"]
[BlackElo "2246"]
[PlyCount "63"]
[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 "Neuberg"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. Nc3 c5 5. d3 Nc6 6. e4 e6 7. Nge2 Nge7 8. h4 h5 9. Be3 Nd4 10. 0-0 Nec6 11. Rb1 Qa5 12. a3 Rb8 13. b4 Nxe2+ 14. Qxe2 cxb4 15. axb4 Qd8 16. Rfc1 0-0 17. Qa2 Ra8 18. Nb5 a6 19. c5 dxc5 20. bxc5 Rb8 21. Nd6 b5 22. f4 e5 23. f5 gxf5 24. exf5 Nd4 25. Rf1 Nxf5 26. Bg5 Be6 27. Qxa6 Qd7 28. Bc6 Qc7 29. Nxf5 Bxf5 30. Rxf5 Rfc8 31. Qa2 Rf8 32. Qd5 1-0

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2013.04.13"]
[Round "10.3"]
[White "Sieber, Stephan"]
[Black "Karabalis, Harilos"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2246"]
[BlackElo "2251"]
[PlyCount "88"]
[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 "Erfurt Empor"]
[BlackTeam "Frankfurt BvK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 cxd4 8. cxd4 Qc7 9. Kd1 Qc3 10. Rb1 Nf5 11. Bb5+ Bd7 12. Ne2 Qc7 13. Ng3 Bxb5 14. Nxf5 Be2+ 15. Qxe2 exf5 16. Qb5+ Nc6 17. c3 0-0-0 18. Bf4 Na5 19. g3 b6 20. e6 Qc4 21. Re1 Rhe8 22. exf7 Rxe1+ 23. Kxe1 Qxc3+ 24. Kf1 Qc4+ 25. Qxc4+ Nxc4 26. Rb5 Rf8 27. Rxd5 Rxf7 28. a4 g6 29. Ke2 Rd7 30. Rxd7 Kxd7 31. d5 a5 32. Be3 Kd6 33. Bd4 Kxd5 34. Kd3 Ne5+ 35. Bxe5 Kxe5 36. Kc4 Kd6 37. Kd4 Kc6 38. Kc4 g5 39. f4 g4 40. Kd4 b5 41. axb5+ Kxb5 42. Ke5 a4 43. Kxf5 a3 44. Ke6 a2 0-1

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2013.03.17"]
[Round "9.2"]
[White "Goreacinic, Dmitri"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "A70"]
[WhiteElo "2294"]
[BlackElo "2246"]
[PlyCount "99"]
[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 "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 c5 2. d5 e6 3. c4 Nf6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. h3 0-0 9. Nf3 Na6 10. 0-0 Nc7 11. Re1 a6 12. a4 Rb8 13. Bg5 h6 14. Bh4 Bd7 15. a5 b5 16. axb6 Rxb6 17. Nd2 Bb5 18. Nxb5 axb5 19. f4 Qc8 20. Be2 Qb7 21. Bf3 Ra8 22. Rxa8+ Qxa8 23. e5 Nfe8 24. Ne4 Qa2 25. Bd8 Rb8 26. Bxc7 Nxc7 27. Nxd6 Qxb2 28. Qa1 Qb4 29. Re4 Ra8 30. Qxa8+ Nxa8 31. Rxb4 cxb4 32. Nxb5 Nb6 33. Kf2 b3 34. Ke2 b2 35. Nc3 f6 36. e6 Bf8 37. Kd3 Bb4 38. Nb1 Bd6 39. g3 g5 40. fxg5 fxg5 41. g4 Kf8 42. Kd4 Ke7 43. Bd1 Bb4 44. Bb3 Kd6 45. Ke4 Bc5 46. Ba2 Bb4 47. Kd4 Bc5+ 48. Ke4 Bb4 49. Kf5 Nxd5 50. Bxd5 1/2-1/2

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2013.02.24"]
[Round "8.4"]
[White "Sieber, Stephan"]
[Black "Kirschbaum, Gunnar"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2246"]
[BlackElo "2181"]
[PlyCount "100"]
[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 "Erfurt Empor"]
[BlackTeam "Erfurt Medizin"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Bd3 Nbd7 5. c3 Be7 6. 0-0 0-0 7. h3 d5 8. Nxe5 dxe4 9. Bc4 Bd6 10. Nxd7 Bxd7 11. Bg5 h6 12. Bh4 g5 13. Bg3 Bxg3 14. fxg3 Qe7 15. g4 Ne8 16. Qe2 Nd6 17. Nd2 Kg7 18. Rae1 Rae8 19. Bb3 f5 20. gxf5 Rxf5 21. Rf3 Rxf3 22. Nxf3 Be6 23. d5 Bf7 24. Nh2 h5 25. Nf1 Qe5 26. Ne3 Bg6 27. Rf1 Rf8 28. Rxf8 Kxf8 29. Qf2+ Kg7 30. Qd2 b6 31. Nc2 Nf5 32. Ne3 Kf6 33. Nxf5 Bxf5 34. Qd4 e3 35. Bc4 Qxd4 36. cxd4 Ke7 37. Kf1 Be4 38. g3 Bf3 39. Be2 g4 40. hxg4 hxg4 41. Bc4 Kd6 42. b3 b5 43. Bxb5 Kxd5 44. Ke1 Kxd4 45. Bd7 Kc3 46. Be6 a5 47. Bd7 Kb2 48. Be6 Ka3 49. Kf1 a4 50. Bc4 Kb4 0-1

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2013.02.03"]
[Round "7.3"]
[White "Sieber, Stephan"]
[Black "Margolin, Boris"]
[Result "0-1"]
[ECO "C75"]
[WhiteElo "2246"]
[BlackElo "2417"]
[PlyCount "132"]
[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 "Erfurt Empor"]
[BlackTeam "Oberursel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. Qe2 g6 7. 0-0 Bg7 8. Rd1 Nf6 9. d3 h6 10. Nbd2 0-0 11. Nf1 Nh5 12. g3 Nf6 13. Nh4 d5 14. Bb3 Be6 15. Ne3 Kh7 16. Nhg2 Na5 17. Bxd5 Nxd5 18. exd5 Bxd5 19. Nxd5 Qxd5 20. f4 Rae8 21. Qf2 Nc6 22. Be3 f5 23. Qc2 exf4 24. gxf4 Re6 25. Qb3 Qd7 26. Re1 Rfe8 27. Bd2 Re2 28. Be3 Rxe1+ 29. Rxe1 b6 30. Qc2 Rd8 31. d4 Re8 32. Bc1 Rxe1+ 33. Nxe1 Qe6 34. Kf2 Qxa2 35. Qe2 b5 36. Nd3 Qd5 37. Qf3 Ne7 38. b4 Qa2+ 39. Qe2 Qxe2+ 40. Kxe2 Nd5 41. Bd2 Bf8 42. Ne5 Bd6 43. Kf3 Kg7 44. h4 Be7 45. Be1 Kf6 46. Bd2 Bd6 47. Ke2 Be7 48. Kf3 Nb6 49. Be1 Nc4 50. Nc6 Ke6 51. Bf2 Bd6 52. Ne5 Nd2+ 53. Ke3 Ne4 54. Be1 g5 55. fxg5 hxg5 56. hxg5 Bxe5 57. dxe5 Nxg5 58. Bh4 Nf7 59. Kd4 f4 60. Ke4 Nxe5 61. Bd8 f3 62. Ke3 c6 63. Bc7 Kd5 64. Bb8 Nd7 65. Ba7 Kc4 66. Bd4 c5 0-1

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2013.02.02"]
[Round "6.3"]
[White "Donchenko, Anatoly G"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "A81"]
[WhiteElo "2367"]
[BlackElo "2246"]
[PlyCount "49"]
[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 "Giessen"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 g6 2. d4 f5 3. g3 Bg7 4. Bg2 Nf6 5. b3 c5 6. 0-0 cxd4 7. Bb2 Nc6 8. Nxd4 0-0 9. c4 Nxd4 10. Qxd4 d6 11. Nc3 Rf7 12. Qd2 Qa5 13. Rfd1 Rb8 14. Rac1 Bd7 15. a3 Bc6 16. b4 Qb6 17. Nd5 Nxd5 18. Bxd5 Bxd5 19. Bxg7 Bxc4 20. Bb2 d5 21. Qc3 Rf6 22. Qf3 Rf7 23. Qc3 Rf6 24. Qf3 Rf7 25. Qc3 1/2-1/2

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2013.01.13"]
[Round "5.4"]
[White "Heyder, Florian"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "A88"]
[WhiteElo "2175"]
[BlackElo "2246"]
[PlyCount "100"]
[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 "Sangerhausen"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. Nf3 d6 7. 0-0 Qe8 8. Re1 c6 9. e4 fxe4 10. Nxe4 Nxe4 11. Rxe4 Bf5 12. Rh4 Nd7 13. Qb3 Rb8 14. Be3 Bf6 15. Ng5 Bxg5 16. Bxg5 Nf6 17. Re1 Qf7 18. Rf4 Rfe8 19. h3 Qg7 20. g4 Bd7 21. Rf3 h5 22. gxh5 Nxh5 23. c5+ d5 24. Qe3 Bf5 25. Bh6 Qf7 26. Bf4 Nxf4 27. Qxf4 e6 28. h4 Kh7 29. Ree3 Rbd8 30. Qg5 Rg8 31. Bh3 Rdf8 32. Ra3 a6 33. Rab3 Rg7 34. Kh2 Qc7+ 35. Qg3 Qe7 36. Rbe3 Qf6 37. Qf4 Kg8 38. Bxf5 exf5 39. Rh3 g5 40. hxg5 Qxg5 41. Qxg5 Rxg5 42. Re7 f4 43. Rxb7 Re8 44. Rb6 Re2 45. Rf3 Re6 46. Rbb3 Rh6+ 47. Rh3 Rhg6 48. Rhf3 Rh6+ 49. Rh3 Rhg6 50. Rhf3 Rh6+ 1/2-1/2

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2012.12.09"]
[Round "4.4"]
[White "Sieber, Stephan"]
[Black "Schaefer, Michael"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "2246"]
[BlackElo "2188"]
[PlyCount "118"]
[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 "Erfurt Empor"]
[BlackTeam "Moerlenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 e5 7. Nf3 h6 8. Bc4 Be7 9. a3 Be6 10. Qe2 Qc8 11. Bxe6 fxe6 12. Rd1 0-0 13. Nh4 Kh7 14. g3 Na5 15. Rd3 Qc4 16. 0-0 g5 17. Ng2 Nxe4 18. Nxe4 Qxe4 19. f3 Qf5 20. Rc3 Nc6 21. Qb5 Rab8 22. a4 d5 23. Bc5 Qf7 24. Bxe7 Qxe7 25. Qd3+ Kg7 26. Ra3 Qb4 27. Qc3 Qxc3 28. Rxc3 Rbc8 29. Rf2 Nd4 30. Rxc8 Rxc8 31. Ne3 h5 32. Kg2 Nf5 33. Nd1 g4 34. fxg4 hxg4 35. c3 Kg6 36. Re2 e4 37. Nf2 Kg5 38. h3 gxh3+ 39. Nxh3+ Kf6 40. Nf4 Rg8 41. Nh5+ Ke5 42. Kh3 Rg5 43. g4 Nh6 44. Rg2 Nxg4 45. Kh4 Rxh5+ 46. Kxh5 Ne3 47. Re2 Kf4 48. Kg6 Kf3 49. Re1 e5 50. c4 Nxc4 51. Kf5 Kf2 52. Rc1 e3 53. b3 Na5 54. Kxe5 Nxb3 55. Rc2+ e2 56. Kxd5 Kf1 57. Rxe2 Kxe2 58. Kc4 Na5+ 59. Kb5 Nc6 0-1

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2012.11.11"]
[Round "3.4"]
[White "Zipfel, Frank"]
[Black "Sieber, Stephan"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2150"]
[BlackElo "2246"]
[PlyCount "79"]
[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 "Jena Jenapharm"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. 0-0 Bg7 5. e4 e6 6. c3 Nge7 7. d4 cxd4 8. cxd4 Qb6 9. d5 Nd4 10. Ng5 h6 11. Nh3 e5 12. Nd2 g5 13. b3 Qg6 14. f3 h5 15. Nc4 b5 16. Ne3 d6 17. g4 Bh6 18. Bb2 Bg7 19. Nf2 Qf6 20. Nd3 Ng6 21. Nf5 Nxf5 22. exf5 Nf4 23. Nxf4 gxf4 24. Qe2 Bd7 25. Rfc1 Qd8 26. Rc2 Qb6+ 27. Kh1 Ke7 28. Rac1 Rac8 29. Qe4 Rxc2 30. Rxc2 Bf6 31. g5 Rc8 32. gxf6+ Kxf6 33. Rxc8 Bxc8 34. Qxf4 Qf2 35. Qh6+ Ke7 36. Qc1 Bxf5 37. Ba3 Kf6 38. Bxd6 Qd4 39. Qh6+ Bg6 40. Qh8+ 1-0

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2012.11.10"]
[Round "2.4"]
[White "Sieber, Stephan"]
[Black "Werner, Albrecht"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2246"]
[BlackElo "2123"]
[PlyCount "71"]
[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 "Erfurt Empor"]
[BlackTeam "Jena Schott"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. h3 Nf6 7. Nf3 g6 8. Qc2 Bg7 9. 0-0 0-0 10. Re1 Nh5 11. Nbd2 Nf4 12. Nf1 Nxd3 13. Qxd3 a6 14. Bg5 Bf5 15. Qd2 Rfe8 16. Ng3 Be6 17. Re2 Na5 18. Bf4 Qb6 19. Rae1 Nc4 20. Qc1 Qd8 21. Bg5 Qd6 22. h4 Bf6 23. Ne5 b5 24. Qf4 Bxg5 25. hxg5 b4 26. f3 bxc3 27. bxc3 Nxe5 28. Rxe5 Rab8 29. Qh4 Rb2 30. R5e2 Reb8 31. Kf2 h5 32. gxh6 Kh7 33. Qg5 f6 34. Qe3 Bd7 35. Rxb2 Rxb2+ 36. Re2 1/2-1/2

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2012.09.30"]
[Round "1.4"]
[White "Duncker, Joachim"]
[Black "Sieber, Stephan"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2263"]
[BlackElo "2246"]
[PlyCount "139"]
[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 "Marburg"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Bb5 Nge7 5. Nf3 a6 6. Bxc6 Nxc6 7. 0-0 b5 8. d3 Be7 9. Kh1 0-0 10. Qe1 d5 11. Bd2 Bb7 12. Ne2 dxe4 13. dxe4 Nb4 14. Bxb4 cxb4 15. Ng3 Qc7 16. Nd4 Rac8 17. Rd1 Rfd8 18. f5 e5 19. f6 Bxf6 20. Rxf6 Rxd4 21. Rxd4 exd4 22. Rf2 Qc4 23. Qd1 Rd8 24. b3 Qe6 25. Qf3 f6 26. h3 Re8 27. Re2 Qe5 28. Qd3 h5 29. Nf1 Bxe4 30. Qg3 Qd5 31. Nd2 f5 32. Qg6 Re6 33. Qxh5 Qc6 34. Qg5 Qd6 35. Qh4 Qe7 36. Qxe7 Rxe7 37. Nf3 Rd7 38. Ng5 Re7 39. Nf3 Rd7 40. Ng5 Rc7 41. Nxe4 fxe4 42. Rxe4 Rxc2 43. Rxd4 Rxa2 44. Rxb4 Rb2 45. h4 g6 46. Rg4 Kh7 47. Rg3 b4 48. Kh2 Kh6 49. Kg1 a5 50. Kh2 Rf2 51. Rd3 Kh5 52. Kh3 Ra2 53. g4+ Kh6 54. Rd7 g5 55. Rd6+ Kg7 56. h5 Ra3 57. Rg6+ Kh7 58. Rxg5 Rxb3+ 59. Kh4 a4 60. Ra5 a3 61. Kg5 Rc3 62. Ra7+ Kg8 63. Ra8+ Kh7 64. Ra7+ Kg8 65. h6 Rc5+ 66. Kg6 Rc8 67. h7+ Kh8 68. g5 Rc6+ 69. Kh5 Rc1 70. Kh6 1-0

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2012.04.15"]
[Round "11.5"]
[White "Sieber, Stephan"]
[Black "Gerber, Peter"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2231"]
[BlackElo "2240"]
[PlyCount "63"]
[EventDate "2011.10.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Giessen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Qc7 8. Qd2 b5 9. Nd5 Nxd5 10. exd5 Bf5 11. Rc1 Be7 12. c4 bxc4 13. Bxc4 Qd7 14. 0-0 0-0 15. Rc3 Bg4 16. Be2 f5 17. h3 Bxf3 18. Bxf3 Bf6 19. Rfc1 e4 20. Rc7 Qe8 21. Be2 Nd7 22. R1c6 Be5 23. Bf4 Nc5 24. b4 Nd3 25. Bxe5 Qxe5 26. Bxd3 exd3 27. Qxd3 Rae8 28. Rxa6 Qa1+ 29. Kh2 Qe5+ 30. Qg3 f4 31. Qc3 Qg5 32. Raa7 1-0

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2012.04.14"]
[Round "10.4"]
[White "Sieber, Stephan"]
[Black "Rafiee, Makan"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2231"]
[BlackElo "2135"]
[PlyCount "86"]
[EventDate "2011.10.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Qd2 0-0 9. Bc4 Be6 10. Bb3 Nc6 11. Ng5 Bxb3 12. axb3 b5 13. f3 b4 14. Na4 Nd7 15. Nh3 Nc5 16. 0-0 a5 17. Rfd1 Ra6 18. Qd5 Ne6 19. c3 Qb8 20. f4 Rd8 21. Qc4 Qb7 22. f5 Nc7 23. Ng5 Rf8 24. Qe2 h6 25. Nf3 Rd8 26. c4 Ne8 27. g4 Nf6 28. g5 Nxe4 29. gxh6 Qc8 30. Bb6 Qxf5 31. Bxd8 Bxd8 32. c5 dxc5 33. Qxa6 Qg4+ 34. Kf1 Qxf3+ 35. Kg1 Qf2+ 36. Kh1 Qf3+ 37. Kg1 Bg5 38. Rd3 Be3+ 39. Rxe3 Qxe3+ 40. Kh1 Qf3+ 41. Kg1 Qe3+ 42. Kh1 Qf3+ 43. Kg1 Nd4 0-1

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2012.03.18"]
[Round "9.4"]
[White "Sieber, Stephan"]
[Black "Kirschbaum, Gunnar"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2231"]
[BlackElo "2212"]
[PlyCount "29"]
[EventDate "2011.10.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Erfurt Medizin"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Bg5 e5 5. dxe5 dxe5 6. Nd5 c6 7. Nxf6+ Nxf6 8. Qxd8+ Kxd8 9. Bc4 Ke8 10. Rd1 Be7 11. f3 Nd7 12. Be3 Nf8 13. Ne2 Be6 14. Bxe6 Nxe6 15. Kf2 1/2-1/2

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2012.02.26"]
[Round "8.4"]
[White "Sieber, Stephan"]
[Black "Mueller, Horst1111"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2231"]
[BlackElo "2191"]
[PlyCount "49"]
[EventDate "2011.10.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. h4 Nc6 11. Nb3 Be6 12. hxg5 hxg5 13. Rxh8+ Bxh8 14. Qd2 Bxc3 15. Qxc3 f6 16. Bc4 Bxc4 17. Qxc4 Kf8 18. 0-0-0 Qc8 19. Qe2 Qe6 20. f4 gxf4 21. Bxf4 Kf7 22. Qf3 Rg8 23. Rh1 Ke8 24. g3 Nge5 25. Qe3 1/2-1/2

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2012.01.15"]
[Round "7.4"]
[White "Sieber, Stephan"]
[Black "Babrikowski, Peter"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2231"]
[BlackElo "2255"]
[PlyCount "85"]
[EventDate "2011.10.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Jena Schott"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h3 e6 6. Nf3 Bd6 7. 0-0 0-0 8. Re1 b6 9. Qe2 Bb7 10. Bg5 Nbd7 11. Ne5 Qc7 12. Nd2 Rac8 13. c3 Rfe8 14. Bb5 a6 15. Bxf6 axb5 16. Nxd7 Qxd7 17. Qg4 g6 18. a3 Be7 19. Bxe7 Qxe7 20. h4 Qf6 21. Re5 Rc7 22. h5 Ra8 23. Rae1 Bc8 24. Qg3 Rc6 25. Nf3 Bd7 26. Nh2 Qg7 27. Ng4 f5 28. Ne3 gxh5 29. Qxg7+ Kxg7 30. Nxd5 Rd6 31. Nc7 Rg8 32. Nxe6+ Kf6 33. Nf4 Rg4 34. Nxh5+ Kg5 35. f3 Rh4 36. Ng3 Rdh6 37. Re7 Bc6 38. R1e5 Kf4 39. Kf2 Rf6 40. Rg7 Bxf3 41. gxf3 Rh2+ 42. Kg1 Rg6 43. Rxg6 1-0

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2012.01.14"]
[Round "6.4"]
[White "Frommelt, Hans Juergen"]
[Black "Sieber, Stephan"]
[Result "0-1"]
[ECO "B77"]
[WhiteElo "2226"]
[BlackElo "2231"]
[PlyCount "138"]
[EventDate "2011.10.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Elstertal"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Qd2 Nf6 8. f3 0-0 9. Bc4 Nxd4 10. Bxd4 Qa5 11. Nb5 Qxd2+ 12. Kxd2 Bd7 13. Be3 a6 14. Nc3 Rfc8 15. Bb3 Be6 16. Rad1 Nd7 17. Nd5 Bxd5 18. Bxd5 Rc7 19. c3 Rb8 20. Ke2 b5 21. Bd4 b4 22. Bxg7 Kxg7 23. cxb4 Rxb4 24. Rd2 a5 25. a3 Rb8 26. Rb1 e6 27. Ba2 Rcb7 28. Rxd6 Rxb2+ 29. Rxb2 Rxb2+ 30. Rd2 Rb7 31. Rc2 Kf6 32. Ke3 Ne5 33. h3 g5 34. g3 Rd7 35. Rc3 Rd1 36. f4 gxf4+ 37. gxf4 Ng6 38. Bc4 Rh1 39. e5+ Kg7 40. Ke4 Ne7 41. Rg3+ Kf8 42. Rb3 Nf5 43. Be2 Re1 44. Kd3 Kg7 45. Rc3 Ra1 46. Bg4 Ne7 47. Kc4 Nd5 48. Rg3 Kf8 49. f5 Re1 50. Kd4 f6 51. fxe6 Rxe5 52. h4 Nc7 53. Re3 Nb5+ 54. Kd3 Rxe3+ 55. Kxe3 Nxa3 56. Kd3 Ke7 57. Bf5 h6 58. Kd4 Nb5+ 59. Kc5 Nd6 60. Bc2 Kxe6 61. Bb3+ Ke5 62. Kb6 f5 63. Kxa5 f4 64. Bd1 Kd4 65. Kb6 Ke3 66. Kc6 Nf5 67. Bg4 Nxh4 68. Kd5 f3 69. Bh3 Kf4 0-1

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2011.12.11"]
[Round "5.4"]
[White "Schlamp, Robert"]
[Black "Sieber, Stephan"]
[Result "0-1"]
[ECO "A83"]
[WhiteElo "2339"]
[BlackElo "2231"]
[PlyCount "61"]
[EventDate "2011.10.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Oberursel"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. d5 Ne5 6. Qd4 Nf7 7. Bxf6 exf6 8. Qxe4+ Qe7 9. 0-0-0 Qxe4 10. Nxe4 f5 11. Ng3 g6 12. Re1+ Kd8 13. Nf3 Bc5 14. Re2 Re8 15. Rd2 Nd6 16. Bd3 b5 17. Re1 Rxe1+ 18. Nxe1 Bb7 19. Bf1 Ke7 20. Kd1 Kf6 21. f3 Re8 22. a4 bxa4 23. c4 Bb4 24. Re2 Rxe2 25. Bxe2 Bxe1 26. Kxe1 Ba6 27. c5 Nc4 28. Nf1 Ke5 29. d6 c6 30. Nd2 Kd4 31. Bxc4 0-1

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2011.11.20"]
[Round "4.4"]
[White "Chandler, Patrick"]
[Black "Sieber, Stephan"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2206"]
[BlackElo "2231"]
[PlyCount "71"]
[EventDate "2011.10.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 d6 2. d4 g6 3. e4 Bg7 4. Nc3 Bg4 5. Be3 Nd7 6. h3 Bxf3 7. Qxf3 Ngf6 8. 0-0-0 e5 9. g4 c6 10. Qg3 Qa5 11. Be2 b5 12. g5 Nh5 13. Bxh5 gxh5 14. Kb1 0-0-0 15. f4 Nb6 16. dxe5 Nc4 17. Bc1 dxe5 18. f5 Rhe8 19. f6 Bf8 20. Qf3 Bc5 21. Qxh5 Bd4 22. Rd3 Qb4 23. Ka1 Be3 24. Rxe3 Nxe3 25. Bxe3 Qc4 26. Qxh7 b4 27. Nb1 Rd7 28. Qf5 Kc7 29. Rc1 Qe2 30. Qf2 Qh5 31. Bxa7 Rd1 32. Qb6+ Kd7 33. Qb7+ Kd6 34. Qxb4+ Kd7 35. Qb7+ Kd6 36. b4 1-0

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2011.10.23"]
[Round "3.5"]
[White "Wahedi, Ahmad Siar"]
[Black "Sieber, Stephan"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "2287"]
[BlackElo "2231"]
[PlyCount "96"]
[EventDate "2011.10.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Steinbach"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. f4 g6 2. Nf3 Bg7 3. c4 Nf6 4. Nc3 d5 5. e3 c5 6. cxd5 Nxd5 7. Bc4 e6 8. Ne4 0-0 9. Nxc5 Nxe3 10. dxe3 Qa5+ 11. Kf2 Qxc5 12. Qe2 Nc6 13. Rf1 e5 14. Qc2 Be6 15. Bb3 Qxc2+ 16. Bxc2 exf4 17. exf4 Nb4 18. Be4 Rfd8 19. a3 Nd3+ 20. Bxd3 Rxd3 21. Ne5 Rb3 22. Re1 Bf8 23. Re2 Bc5+ 24. Ke1 Bb6 25. Rc2 Bf5 26. Re2 Rc8 27. Bd2 Rxb2 28. Rc1 Rxc1+ 29. Bxc1 Rb1 30. Kd1 Bc5 31. Kd2 b5 32. g4 Be6 33. Nd3 Bd6 34. Kc2 Ra1 35. f5 gxf5 36. gxf5 Bd7 37. f6 Bxa3 38. Rg2+ Kh8 39. Nb2 Bf5+ 40. Kb3 Rxc1 41. Kxa3 Rc6 42. Kb4 a6 43. Rf2 Rxf6 44. Nd3 Kg7 45. Nf4 Bg4 46. h3 Bd1 47. Rf1 Kh6 48. Kc5 Kg5 0-1

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2011.10.22"]
[Round "2.4"]
[White "Wege, Jochen"]
[Black "Sieber, Stephan"]
[Result "1-0"]
[ECO "B93"]
[WhiteElo "2259"]
[BlackElo "2231"]
[PlyCount "67"]
[EventDate "2011.10.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Frankfurt BvK"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nc6 8. a4 Be7 9. Be2 0-0 10. 0-0 Qb6+ 11. Kh1 Nb4 12. a5 Qc5 13. Ne1 Bd7 14. Nd3 Nxd3 15. Bxd3 Bc6 16. Qe2 exf4 17. Rxf4 Rfe8 18. Be3 Qh5 19. g4 Qe5 20. Qf2 d5 21. Bd4 Qe6 22. e5 Nxg4 23. Qg3 Nxe5 24. Raf1 f6 25. Bf5 Qd6 26. Qh3 Ng6 27. Be6+ Kh8 28. R4f3 Nf8 29. Bf7 Qb4 30. Rf4 Bd6 31. Rh4 Bd7 32. Qg2 Be5 33. Rg1 g5 34. Bxe5 1-0

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2011.10.02"]
[Round "1.4"]
[White "Sieber, Stephan"]
[Black "Schaefer, Michael"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2231"]
[BlackElo "2244"]
[PlyCount "34"]
[EventDate "2011.10.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Moerlenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 h6 7. Nd5 Nxd5 8. exd5 a6 9. c4 axb5 10. dxc6 bxc6 11. cxb5 Bb4+ 12. Bd2 Qh4 13. Bxb4 Qxb4+ 14. Qd2 Qe4+ 15. Qe3 Qb4+ 16. Qd2 Qe4+ 17. Qe3 Qb4+ 1/2-1/2

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2011.04.10"]
[Round "11.4"]
[White "Knickel, Aaron"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2161"]
[BlackElo "2238"]
[PlyCount "32"]
[EventDate "2010.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. g3 d5 2. Bg2 g6 3. d3 Bg7 4. Nd2 e6 5. e4 Ne7 6. f4 c5 7. Ngf3 Nbc6 8. 0-0 0-0 9. c3 d4 10. c4 f6 11. Bh3 e5 12. Bxc8 Qxc8 13. fxe5 Nxe5 14. Nxe5 fxe5 15. Rxf8+ Qxf8 16. Nf3 h6 1/2-1/2

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2011.04.09"]
[Round "10.4"]
[White "Sieber, Stephan"]
[Black "Weise, Martin"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2238"]
[BlackElo "2154"]
[PlyCount "71"]
[EventDate "2010.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Hungen Lich"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Qg4 f5 8. Qg3 Nc6 9. Be3 Nge7 10. Qxg7 Rg8 11. Qxh7 Bd7 12. Qh5+ Ng6 13. Ne2 0-0-0 14. f4 Qa5 15. Kd1 Qa4 16. Qf3 Rh8 17. h4 cxd4 18. Nxd4 Nxd4 19. Bxd4 Nxh4 20. Qf2 Ng6 21. Rh3 Kb8 22. Rg3 Ne7 23. Bc5 Nc6 24. Rb1 Rh4 25. Rf3 Rh1 26. Kd2 Na5 27. Rb4 Qc6 28. Bxa7+ Ka8 29. Bb6 Rxf1 30. Qxf1 Nc4+ 31. Rxc4 Qxb6 32. Rb4 Qc7 33. Qf2 Bc6 34. Qb6 Qe7 35. Rg3 Rh8 36. a4 1-0

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2011.03.20"]
[Round "9.5"]
[White "Sieber, Stephan"]
[Black "Walther, Cliff"]
[Result "1-0"]
[ECO "C86"]
[WhiteElo "2238"]
[BlackElo "2171"]
[PlyCount "35"]
[EventDate "2010.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Erfurt Medizin"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. 0-0 d6 7. c3 Bg4 8. h3 Bh5 9. Rd1 b5 10. Bc2 0-0 11. d3 Re8 12. Nbd2 d5 13. Nf1 h6 14. Ng3 Bg6 15. Nh4 Bh7 16. Nhf5 Bf8 17. Qf3 Qd7 18. Nxh6+ 1-0

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2011.02.27"]
[Round "8.4"]
[White "Sieber, Stephan"]
[Black "Haubt, Georg"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2238"]
[BlackElo "2224"]
[PlyCount "23"]
[EventDate "2010.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Oberursel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. Bd3 Nc6 7. Ne4 Nxe4 8. Bxe4 g6 9. 0-0 Bg7 10. c3 0-0 11. Re1 Re8 12. Qb3 1/2-1/2

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2011.02.06"]
[Round "7.4"]
[White "Sieber, Stephan"]
[Black "Stiefel, Roland"]
[Result "1/2-1/2"]
[ECO "B28"]
[WhiteElo "2238"]
[BlackElo "2082"]
[PlyCount "56"]
[EventDate "2010.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Weimar"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 a6 3. c3 e6 4. d4 d5 5. Bd3 dxe4 6. Bxe4 Nf6 7. Bc2 Nc6 8. a3 b5 9. 0-0 Bb7 10. Be3 Nd5 11. Nbd2 cxd4 12. cxd4 Be7 13. Re1 Nxe3 14. fxe3 0-0 15. Ne4 b4 16. Qd3 g6 17. h4 bxa3 18. bxa3 Na5 19. h5 Qd5 20. hxg6 hxg6 21. Ned2 Rac8 22. Ba4 Rfd8 23. Re2 Qh5 24. g4 Qxg4+ 25. Rg2 Qh5 26. Rh2 Qg4+ 27. Kf2 Qf5 28. e4 Qf4 1/2-1/2

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2011.02.05"]
[Round "6.4"]
[White "Legde, Georg"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2326"]
[BlackElo "2238"]
[PlyCount "71"]
[EventDate "2010.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Giessen"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 f5 2. Nf3 Nf6 3. Bg5 Ne4 4. Bf4 d5 5. e3 Be6 6. Nbd2 Nxd2 7. Qxd2 Nd7 8. Qb4 Nb6 9. a4 a5 10. Qb3 h6 11. h4 c6 12. Ne5 Ra7 13. Be2 Bf7 14. g4 fxg4 15. Bxg4 e6 16. Rg1 Nd7 17. 0-0-0 Qe7 18. Nxd7 Qxd7 19. Bb8 Ra6 20. Be2 b5 21. Be5 Rg8 22. axb5 Rb6 23. Qa4 cxb5 24. Qxa5 Qc6 25. e4 Be7 26. exd5 exd5 27. Qa7 Bxh4 28. Bg4 Rb7 29. Qa8+ Ke7 30. Qa3+ b4 31. Qe3 Kd8 32. b3 Bf6 33. Rd2 Qa6 34. Rdd1 Qc6 35. Rd2 Qa6 36. Rdd1 1/2-1/2

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2011.01.16"]
[Round "5.5"]
[White "Sieber, Stephan"]
[Black "Mueller, Horst1111"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2238"]
[BlackElo "2199"]
[PlyCount "112"]
[EventDate "2010.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Qd2 0-0 9. Bc4 Qc7 10. Bb3 Nbd7 11. Ng5 Nc5 12. Nd5 Nxd5 13. Bxd5 h6 14. Nh3 Be6 15. f4 Bxh3 16. gxh3 Bh4+ 17. Kd1 exf4 18. Bxf4 Kh7 19. Rg1 Qe7 20. Qg2 Bf6 21. c3 Nd3 22. Be3 Ne5 23. Bd4 g6 24. Kc2 Rac8 25. Raf1 Bg7 26. Bxe5 Qxe5 27. Rxf7 Rxf7 28. Bxf7 g5 29. Bd5 b5 30. Qg3 b4 31. Qxe5 Bxe5 32. c4 Bxh2 33. Rf1 Bf4 34. Kb3 a5 35. Be6 Rc7 36. Rd1 Rc5 37. Rd5 Be5 38. Rd2 Kg7 39. Ka4 Kf6 40. Bd5 h5 41. Rf2+ Kg6 42. Be6 Bd4 43. Rd2 Be5 44. b3 Kf6 45. Bd7 Ke7 46. Bf5 Bf4 47. Rd5 Rxd5 48. exd5 Be3 49. c5 Bxc5 50. Kb5 Kf6 51. Be6 Ke5 52. Kc4 Ke4 53. Bd7 Kf3 54. Be8 Kg3 55. Kd3 Kxh3 56. Bxh5 g4 0-1

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2010.12.12"]
[Round "4.5"]
[White "Sieber, Stephan"]
[Black "Traudes, Wolfgang"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2238"]
[BlackElo "2217"]
[PlyCount "80"]
[EventDate "2010.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Wiesbaden"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 Nc6 2. d4 d5 3. exd5 Qxd5 4. Be3 e5 5. c4 Qa5+ 6. Nc3 exd4 7. Bxd4 Nxd4 8. Qxd4 Ne7 9. Nf3 Nc6 10. Qe4+ Be6 11. Bd3 0-0-0 12. 0-0 g6 13. Rfd1 Bg7 14. Rac1 Rhe8 15. Qf4 h6 16. h4 Rd7 17. a3 Qh5 18. Nb5 Qg4 19. Qe3 Kb8 20. Be4 Rxd1+ 21. Rxd1 Bxc4 22. Bxc6 Rxe3 23. Rd8+ Qc8 24. Rxc8+ Kxc8 25. fxe3 bxc6 26. Nc3 Kb7 27. e4 Kb6 28. Kf2 Be6 29. Ke3 Kc5 30. Kd3 Bc4+ 31. Ke3 Bf1 32. g4 Ba6 33. e5 Bc8 34. g5 h5 35. Ne2 Bg4 36. Ned4 Kd5 37. b3 a6 38. Nc2 Bf8 39. Nd2 Bf5 40. Nd4 Bc5 0-1

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2010.11.14"]
[Round "3.5"]
[White "Guenther, Peter"]
[Black "Sieber, Stephan"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2218"]
[BlackElo "2238"]
[PlyCount "75"]
[EventDate "2010.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Frankfurt BvK"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Qa5 8. Nge2 Nd4 9. 0-0 Ne7 10. f4 0-0 11. a3 Nxe2+ 12. Qxe2 Rb8 13. Qf2 a6 14. g4 b5 15. e5 dxe5 16. Bxc5 Qc7 17. Ba7 Rb7 18. Bc5 exf4 19. d4 Rd8 20. Rad1 g5 21. Bxb7 Bxb7 22. h3 Qc6 23. Kh2 Ng6 24. Rd3 f3 25. Rfd1 Nf4 26. R3d2 Qc7 27. Qg3 e5 28. b4 e4 29. Re1 Re8 30. Nd1 Qd7 31. Ne3 Ne2 32. Rdxe2 fxe2 33. c3 Bf6 34. Qd6 Qxd6+ 35. Bxd6 Be7 36. Bc5 Bd8 37. Rxe2 Bc7+ 38. Kg1 1-0

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2010.11.13"]
[Round "2.5"]
[White "Sieber, Stephan"]
[Black "Rubel, Julian"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2238"]
[BlackElo "2181"]
[PlyCount "81"]
[EventDate "2010.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Steinbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. d5 Be7 5. f3 c6 6. Be3 h5 7. Qd2 a6 8. a4 Qa5 9. Ra3 Nbd7 10. Nge2 cxd5 11. exd5 Bd8 12. Ng3 Nc5 13. Nce4 Ncxe4 14. Nxe4 Nxe4 15. fxe4 Qxd2+ 16. Bxd2 f5 17. exf5 Bxf5 18. Bd3 Rf8 19. Bxf5 Rxf5 20. Rb3 b6 21. Be3 Rb8 22. Ke2 Kd7 23. Ra1 Rf8 24. a5 b5 25. c4 Bc7 26. cxb5 Rxb5 27. Rxb5 axb5 28. a6 Ra8 29. a7 Kc8 30. Rf1 Bd8 31. Rf8 Kb7 32. Rf7+ Bc7 33. Rxg7 Rc8 34. Rh7 b4 35. h3 Rg8 36. g4 hxg4 37. hxg4 Rc8 38. g5 Ka8 39. g6 Bd8 40. Rf7 Rc2+ 41. Kd3 1-0

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2010.10.24"]
[Round "1.5"]
[White "Frei, Markus"]
[Black "Sieber, Stephan"]
[Result "0-1"]
[ECO "B99"]
[WhiteElo "1967"]
[BlackElo "2238"]
[PlyCount "46"]
[EventDate "2010.10.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Moerlenbach"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 Qc7 9. 0-0-0 b5 10. Bd3 Bb7 11. Rhe1 Be7 12. Qg3 h6 13. Nd5 exd5 14. exd5 hxg5 15. Nf5 g4 16. Nxe7 Kf8 17. Re2 Nxd5 18. Nxd5 Bxd5 19. Bf5 Nf6 20. Bxg4 Nxg4 21. Rxd5 Nf6 22. Rd3 d5 23. Qe1 Qxf4+ 0-1

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2010.04.11"]
[Round "11.3"]
[White "Sieber, Stephan"]
[Black "Klingelhoefer, Stefan"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "2242"]
[BlackElo "2227"]
[PlyCount "59"]
[EventDate "2009.10.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Giessen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 b6 5. f4 Qd7 6. Bd2 Ba6 7. Bxa6 Nxa6 8. Qe2 Nb8 9. a3 Bf8 10. Nf3 Ne7 11. 0-0 Nbc6 12. Qd3 Nf5 13. Ne2 h5 14. Be1 f6 15. Nh4 Nce7 16. Rc1 0-0-0 17. Nxf5 Nxf5 18. Bf2 Kb7 19. c4 c6 20. b4 Be7 21. c5 Ra8 22. a4 Rhe8 23. Rc2 a6 24. b5 axb5 25. axb5 cxb5 26. Rb1 b4 27. Rxb4 Ra6 28. Qxa6+ Kxa6 29. Rxb6+ Ka5 30. Be1+ 1-0

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2010.04.10"]
[Round "10.3"]
[White "Braeuner, Uwe"]
[Black "Sieber, Stephan"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2122"]
[BlackElo "2242"]
[PlyCount "59"]
[EventDate "2009.10.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Erfurt SK II"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Bd6 5. Nf3 f6 6. c4 dxc4 7. Bxc4 Bg4 8. h3 Bh5 9. g4 Bg6 10. Nh4 Qd7 11. Nxg6 hxg6 12. Qc2 Nge7 13. Nc3 0-0-0 14. 0-0-0 a6 15. Ne4 Nb4 16. Qb1 Qc6 17. Nxd6+ Rxd6 18. Bc3 Nbd5 19. Qc2 Nxc3 20. dxc3 Rhd8 21. e4 b5 22. Bf7 Rf8 23. Bd5 Nxd5 24. Rxd5 Rxd5 25. exd5 Qxd5 26. Rd1 Qf3 27. Qxg6 Qxc3+ 28. Kb1 Rd8 29. Qf5+ Kb7 30. Rxd8 1-0

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2010.03.21"]
[Round "9.5"]
[White "Sieber, Stephan"]
[Black "Rubel, Julian"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2242"]
[BlackElo "2172"]
[PlyCount "65"]
[EventDate "2009.10.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Steinbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. Be3 Bb7 9. f3 Be7 10. Qd2 d6 11. Be2 0-0 12. 0-0 Nbd7 13. Rfc1 Rac8 14. b4 Qb8 15. Bf1 h5 16. Na4 Ba8 17. g3 Bd8 18. Rab1 Re8 19. Qf2 Bc7 20. b5 a5 21. Nc6 Qb7 22. Bg2 e5 23. Bh3 g6 24. Nc3 Kg7 25. Nd5 Re6 26. Bxe6 fxe6 27. Nc3 Rf8 28. Qd2 Rf7 29. Rf1 Qc8 30. Na4 Ng8 31. f4 Ne7 32. fxe5 Rxf1+ 33. Rxf1 1-0

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2010.02.28"]
[Round "8.5"]
[White "Schaefer, Michael"]
[Black "Sieber, Stephan"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2157"]
[BlackElo "2242"]
[PlyCount "65"]
[EventDate "2009.10.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Moerlenbach"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 f5 2. Nc3 g6 3. e4 d6 4. Bd3 fxe4 5. Nxe4 Bg7 6. Nf3 Nh6 7. c3 Bf5 8. h3 Qd7 9. g4 Bxe4 10. Bxe4 c6 11. Ng5 Nf7 12. Nxf7 Kxf7 13. Qf3+ Ke8 14. Bg5 Rf8 15. Qe2 d5 16. Bd3 Qd6 17. 0-0-0 Rf7 18. Rde1 Nd7 19. Kb1 c5 20. dxc5 Nxc5 21. Bc2 Rd8 22. f4 a6 23. f5 d4 24. fxg6 hxg6 25. cxd4 Bxd4 26. Rhf1 Rxf1 27. Qxf1 Rd7 28. Qc4 Kd8 29. b4 b5 30. bxc5 Qg3 31. Qe6 Bxc5 32. Qe5 Qxe5 33. Rxe5 1-0

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2010.01.24"]
[Round "7.5"]
[White "Sieber, Stephan"]
[Black "Drill, Frank J"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2242"]
[BlackElo "2134"]
[PlyCount "59"]
[EventDate "2009.10.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5 Ne4 7. Qg4 Qa5 8. Qxe4 Bxc3+ 9. bxc3 Qxc3+ 10. Kd1 Qxa1 11. Nb5 d5 12. Qb4 Qxe5 13. Bf4 Nc6 14. Bxe5 Nxb4 15. Nc7+ Kd8 16. Nxa8 f6 17. Bc7+ Ke7 18. a3 Na2 19. Bg3 Nc3+ 20. Kc1 Bd7 21. Nc7 a6 22. Kb2 Ne4 23. f3 Nxg3 24. hxg3 Kd6 25. Nxa6 bxa6 26. Bxa6 Kc5 27. Rh4 d4 28. c3 dxc3+ 29. Kxc3 Ra8 30. Bf1 1/2-1/2

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2010.01.23"]
[Round "6.5"]
[White "Euler, Gerd"]
[Black "Sieber, Stephan"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2348"]
[BlackElo "2242"]
[PlyCount "81"]
[EventDate "2009.10.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Hungen Lich"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1 Nc6 7. Nb3 g6 8. g4 Be6 9. g5 Nd7 10. Be3 Bg7 11. Nd4 Nxd4 12. Bxd4 Ne5 13. Rg3 f6 14. f4 Nc6 15. gxf6 exf6 16. f5 Bf7 17. Qd2 Qe7 18. Bb6 Ne5 19. 0-0-0 Bf8 20. b3 Rc8 21. Kb1 g5 22. Na4 Rc6 23. Rc3 Qd7 24. Bd4 Be7 25. Rh3 Qc7 26. c4 h5 27. Nc3 g4 28. Re3 Qa5 29. Qf2 Nf3 30. Rxf3 gxf3 31. Nd5 b5 32. Nxe7 Kxe7 33. Bxf6+ Kxf6 34. Qd4+ Ke7 35. Qxh8 f2 36. Bh3 d5 37. Qe5+ Kf8 38. exd5 Rc8 39. f6 Re8 40. Qd6+ Kg8 41. Qg3+ 1-0

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2009.12.13"]
[Round "5.5"]
[White "Hannes, Diana"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2105"]
[BlackElo "2242"]
[PlyCount "26"]
[EventDate "2009.10.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Medizin"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 e5 6. Nc3 Nc6 7. d3 Nge7 8. Nd5 f5 9. Qe2 Nxd5 10. cxd5 Nd4 11. Nxd4 cxd4 12. f4 fxe4 13. dxe4 0-0-0 1/2-1/2

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2009.11.29"]
[Round "4.5"]
[White "Rueger, Erhard"]
[Black "Sieber, Stephan"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2215"]
[BlackElo "2242"]
[PlyCount "113"]
[EventDate "2009.10.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Frankfurt BvK"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 d6 2. c4 g6 3. g3 Bg7 4. Bg2 e5 5. Nc3 f5 6. d4 e4 7. Ng5 Nc6 8. Be3 h6 9. Nh3 g5 10. 0-0 Nf6 11. f3 exf3 12. exf3 0-0 13. Qd2 Qe7 14. Rae1 Qf7 15. b3 a6 16. Kh1 Qh5 17. f4 g4 18. Ng1 Bd7 19. Nge2 Rae8 20. d5 Nd8 21. Nd4 b6 22. b4 Re7 23. Bf2 Rfe8 24. Rxe7 Rxe7 25. Re1 Rxe1+ 26. Qxe1 Qf7 27. Qe2 Ne8 28. Qd3 Qf6 29. Nce2 Kf7 30. Qa3 Bc8 31. Qd3 Bd7 32. Be1 Kg6 33. Bc3 Qe7 34. Kg1 Nf6 35. Kf2 Ng8 36. Nc2 Bxc3 37. Qxc3 Nf6 38. Qd3 c5 39. dxc6 Bxc6 40. Ned4 Be4 41. Bxe4 fxe4 42. Qe2 a5 43. Ne3 h5 44. a3 axb4 45. axb4 Qa7 46. Nb5 Qa4 47. Nd5 Nc6 48. Nxf6 Kxf6 49. Nxd6 Qxb4 50. Nxe4+ Kg7 51. Ng5 Qc3 52. Kg2 Kf8 53. h3 Nd4 54. Qd1 Ke7 55. hxg4 hxg4 56. Qxg4 Qxc4 57. Qh5 1/2-1/2

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2009.11.15"]
[Round "3.5"]
[White "Sieber, Stephan"]
[Black "Timpel, Klaus"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2242"]
[BlackElo "2206"]
[PlyCount "118"]
[EventDate "2009.10.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Schoeneck"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Be3 d6 4. Nc3 a6 5. Qd2 Nd7 6. 0-0-0 b5 7. a3 Bb7 8. f3 Rc8 9. g4 h5 10. gxh5 Rxh5 11. Nge2 c5 12. Ng3 Rh7 13. h4 cxd4 14. Bxd4 Bxd4 15. Qxd4 Ngf6 16. Bh3 Rc4 17. Bxd7+ Qxd7 18. Qe3 Qc7 19. Rd2 Nh5 20. Nge2 Qc5 21. Qd3 Qe5 22. Nd5 Bxd5 23. Qxd5 Qxd5 24. Rxd5 Nf6 25. Rg5 Nd7 26. b3 Rc8 27. Kd2 e6 28. f4 Ke7 29. Nd4 e5 30. Ne2 Rch8 31. f5 gxf5 32. Rxf5 Rxh4 33. Rhf1 f6 34. Nc3 Rh2+ 35. Kd1 Rh1 36. Nd5+ Kf7 37. Rxh1 Rxh1+ 38. Kd2 Ra1 39. Kc3 Re1 40. Kd3 Rd1+ 41. Ke3 Rh1 42. Rf3 Rh2 43. c3 Ra2 44. Rh3 Nf8 45. Rh6 Nd7 46. Rh7+ Ke8 47. Re7+ Kd8 48. Re6 Rxa3 49. b4 a5 50. bxa5 Rxa5 51. Rxd6 Kc8 52. Nxf6 Nxf6 53. Rxf6 Kc7 54. Re6 b4 55. cxb4 Ra3+ 56. Kd2 Rb3 57. Rxe5 Rxb4 58. Kc3 Ra4 59. Kd3 Kd6 1/2-1/2

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2009.11.14"]
[Round "2.5"]
[White "Hoehn, Michael"]
[Black "Sieber, Stephan"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "2159"]
[BlackElo "2242"]
[PlyCount "74"]
[EventDate "2009.10.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 e6 6. Nf3 Nge7 7. Bf4 Ng6 8. Bg3 a6 9. 0-0 Be7 10. Qe2 b5 11. Bb3 0-0 12. Rfd1 Qb6 13. Rac1 Rd8 14. h4 d6 15. h5 Nge5 16. Nxe5 Nxe5 17. Kh2 Bb7 18. f4 Nd7 19. f5 exf5 20. Nd5 Bxd5 21. Bxd5 Rac8 22. Rxc8 Rxc8 23. exf5 Ne5 24. Bxe5 dxe5 25. Qxe5 Kf8 26. Bf3 Rd8 27. Rxd8+ Bxd8 28. Qd5 g6 29. hxg6 hxg6 30. fxg6 Bc7+ 31. Kh1 Qxg6 32. Qc5+ Bd6 33. Qc8+ Ke7 34. Qg4 Qh6+ 35. Qh5 Qc1+ 36. Bd1 Qf4 37. Bf3 Qg3 0-1

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2009.10.18"]
[Round "1.5"]
[White "Sieber, Stephan"]
[Black "Haubt, Georg"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2242"]
[BlackElo "2263"]
[PlyCount "79"]
[EventDate "2009.10.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Oberursel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Bc4 d6 5. d3 0-0 6. Bg5 h6 7. Bh4 Be6 8. Nd2 c6 9. 0-0 Nbd7 10. a3 Bxc3 11. bxc3 d5 12. Bb3 Qa5 13. exd5 cxd5 14. c4 d4 15. Re1 Nh7 16. Be7 Rfe8 17. Bb4 Qd8 18. Ba4 f6 19. Ne4 a5 20. Bd6 Ng5 21. Nxg5 hxg5 22. Qf3 Ra6 23. c5 Ra7 24. h3 Qa8 25. Rab1 Rc8 26. Rb5 Nb8 27. Bxb8 Rxb8 28. Reb1 Rd8 29. Rb6 Bd5 30. Bb3 Bxb3 31. R1xb3 Qc8 32. R3b5 f5 33. Qh5 Rd5 34. Qxg5 Rxc5 35. Qe7 Rxc2 36. Rxb7 Rxb7 37. Rxb7 Qf8 38. Qxe5 Rc1+ 39. Kh2 Rc3 40. Rb8 1-0

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2009.03.29"]
[Round "11.3"]
[White "Kayser, Felix"]
[Black "Sieber, Stephan"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2181"]
[BlackElo "2241"]
[PlyCount "78"]
[EventDate "2008.10.26"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Wiesbaden"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nc6 5. Bb5 Nd4 6. 0-0 Nxb5 7. Nxb5 a6 8. Nc3 e6 9. Qe1 Ne7 10. d3 d5 11. Bd2 0-0 12. f5 exf5 13. Qh4 dxe4 14. dxe4 Nc6 15. Bg5 f6 16. Be3 g5 17. Qf2 f4 18. Bxc5 Rf7 19. Nd5 b5 20. Rad1 Qe8 21. Rfe1 Bb7 22. Bb6 Rc8 23. c3 Rd7 24. Qd2 Kh8 25. h4 h6 26. Qf2 Ne5 27. Nxe5 fxe5 28. Qf3 Qe6 29. Bf2 g4 30. Qd3 g3 31. Ba7 Bxd5 32. exd5 Qf6 33. a4 Rxa7 34. axb5 Qxh4 35. Qe4 axb5 36. d6 Rd8 37. Rd5 Ra4 38. Qf3 e4 39. Rxe4 Ra1+ 0-1

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2009.03.28"]
[Round "10.3"]
[White "Sieber, Stephan"]
[Black "Drollinger, Dennis"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2241"]
[BlackElo "2299"]
[PlyCount "69"]
[EventDate "2008.10.26"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Hofheim II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. Nf3 d5 9. exd5 exd5 10. Qe2+ Be6 11. 0-0 Be7 12. cxd5 Nxd5 13. Nxd5 Qxd5 14. Rd1 Qh5 15. Bf4 0-0 16. Be4 Rac8 17. Rac1 Bf6 18. Qe3 h6 19. Rc5 g5 20. Bd6 Rfd8 21. Rd2 Ne7 22. Bc7 Rxd2 23. Qxd2 b6 24. Bxb6 Rxc5 25. Bxc5 Ng6 26. b4 Qg4 27. Bxg6 fxg6 28. h3 Qe4 29. Qd6 Bg7 30. Qd8+ Kh7 31. Qe7 Qb1+ 32. Kh2 Qxa2 33. Bd4 Bf7 34. Ne5 Bxe5+ 35. Qxe5 1-0

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2009.03.15"]
[Round "9.3"]
[White "Wendel, Stefan"]
[Black "Sieber, Stephan"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "2231"]
[BlackElo "2241"]
[PlyCount "43"]
[EventDate "2008.10.26"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Frankfurt BvK"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 Qc7 9. 0-0-0 b5 10. Bd3 Bb7 11. Rhe1 0-0-0 12. f5 e5 13. Nb3 Be7 14. a4 Nxe4 15. Bxe4 Bxg5+ 16. Kb1 b4 17. Bxb7+ Qxb7 18. Nd5 Nb8 19. h4 Be7 20. f6 Bxf6 21. Re4 a5 22. Rc4+ 1-0

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2009.03.01"]
[Round "8.3"]
[White "Sieber, Stephan"]
[Black "Donchenko, Anatoly G"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2241"]
[BlackElo "2373"]
[PlyCount "34"]
[EventDate "2008.10.26"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Giessen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. h3 g6 7. Nf3 Bf5 8. Bxf5 gxf5 9. Bf4 e6 10. 0-0 Bg7 11. Re1 0-0 12. Ne5 Nxe5 13. dxe5 Ne4 14. f3 Nc5 15. Kh1 b5 16. Qd2 Rc8 17. Na3 a6 1/2-1/2

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2009.02.01"]
[Round "7.3"]
[White "Tazbir, Marcin"]
[Black "Sieber, Stephan"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2482"]
[BlackElo "2241"]
[PlyCount "169"]
[EventDate "2008.10.26"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Griesheim"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Ne2 d6 3. g3 Nc6 4. Bg2 g6 5. c3 Bg7 6. d4 cxd4 7. cxd4 Qb6 8. Nbc3 e6 9. Be3 Qa5 10. 0-0 Nge7 11. a3 0-0 12. b4 Qd8 13. Qd2 d5 14. exd5 Nxd5 15. Nxd5 exd5 16. Nf4 Ne7 17. Rac1 Be6 18. Nxe6 fxe6 19. Bh3 Qd7 20. Rfe1 Nf5 21. Bxf5 exf5 22. Bf4 Rac8 23. Rxc8 Rxc8 24. Be5 Bf8 25. Rc1 Rc6 26. Rxc6 Qxc6 27. Qg5 Qd7 28. Kg2 Be7 29. Qc1 g5 30. h4 Qc6 31. Qb1 Qd7 32. hxg5 Bxg5 33. Qd1 Qf7 34. b5 h5 35. Qc2 Qd7 36. Qc5 Kf7 37. Qxa7 h4 38. Qa5 hxg3 39. fxg3 Bf6 40. Bxf6 Kxf6 41. a4 Qe8 42. Qd2 Kg6 43. Kf2 Qh8 44. Kg2 Qe8 45. Qd3 Kf6 46. a5 Qe1 47. a6 bxa6 48. bxa6 Qa1 49. Qe3 Qa2+ 50. Kf3 Qa1 51. Qe5+ Kg6 52. Qe8+ Kg5 53. Qg8+ Kf6 54. Qf8+ Kg6 55. Qg8+ Kf6 56. Qh8+ Kg6 57. Qe8+ Kf6 58. Qd8+ Kg6 59. Qb6+ Kg5 60. a7 Qf1+ 61. Ke3 Qe1+ 62. Kd3 Qd1+ 63. Kc3 Qc1+ 64. Kb4 Qc4+ 65. Ka3 Qc3+ 66. Qb3 Qa5+ 67. Qa4 Qc3+ 68. Ka2 Qd2+ 69. Kb3 Qd3+ 70. Kb4 Qc4+ 71. Ka5 Qc7+ 72. Ka6 Qc8+ 73. Kb6 Qd8+ 74. Kc5 Qc7+ 75. Kxd5 Qb7+ 76. Ke6 Qb6+ 77. Kd7 Qb7+ 78. Kd8 Qb6+ 79. Kc8 Qe6+ 80. Qd7 Qa6+ 81. Kd8 Qb6+ 82. Ke8 Qg6+ 83. Kf8 Qf6+ 84. Kg8 Qa6 85. Qd8+ 1-0

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2009.01.31"]
[Round "6.3"]
[White "Sieber, Stephan"]
[Black "Boehmer, Christian"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2241"]
[BlackElo "2195"]
[PlyCount "81"]
[EventDate "2008.10.26"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Moerlenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 d6 7. g4 h6 8. Rg1 Qc7 9. h4 g6 10. g5 hxg5 11. hxg5 Nfd7 12. Be3 Nc6 13. Qe2 Nc5 14. 0-0-0 Bd7 15. f4 0-0-0 16. Qf2 Rh5 17. Be2 Rh7 18. Rh1 Rxh1 19. Rxh1 Nxd4 20. Bxd4 Bc6 21. Rh7 Be8 22. f5 Be7 23. fxg6 fxg6 24. Bf6 Rd7 25. Rh8 Rd8 26. b4 Na4 27. Rxe8 Bxf6 28. Qxf6 Rxe8 29. Nxa4 d5 30. Qxg6 Qf4+ 31. Kb1 Re7 32. exd5 Qd2 33. Nb6+ Kc7 34. d6+ Qxd6 35. c5 Qd4 36. a3 Qe3 37. Bd3 Qe1+ 38. Kc2 Qe5 39. Qg8 Qh2+ 40. Kb3 Kc6 41. Qc8+ 1-0

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2009.01.18"]
[Round "5.3"]
[White "Jakel, Wolfgang"]
[Black "Sieber, Stephan"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "2265"]
[BlackElo "2241"]
[PlyCount "49"]
[EventDate "2008.10.26"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. 0-0 Qb6 9. Re1 Be7 10. Qf3 0-0 11. Be3 Qb7 12. a3 Nc6 13. Rad1 Ne5 14. Qg3 Bd7 15. f4 Neg4 16. e5 dxe5 17. fxe5 Nxe5 18. Qxe5 Ng4 19. Qh5 e5 20. Nd5 Bd8 21. Nf5 g6 22. Qxg4 Bxf5 23. Qf3 Kg7 24. Bc5 Re8 25. Nf6 1-0

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2008.12.14"]
[Round "4.3"]
[White "Sieber, Stephan"]
[Black "Wahedi, Ahmad Siar"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2241"]
[BlackElo "2272"]
[PlyCount "82"]
[EventDate "2008.10.26"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Steinbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 cxd4 8. cxd4 Qa4 9. Nf3 b6 10. Bd3 Ba6 11. Qe2 Bxd3 12. Qxd3 Qa6 13. Ke2 Ne7 14. Rhc1 Qxd3+ 15. Kxd3 Nbc6 16. c4 dxc4+ 17. Rxc4 f6 18. Rac1 Kd7 19. Bh6 Rhc8 20. Bxg7 f5 21. Bh6 b5 22. Rc5 b4 23. Ng5 bxa3 24. Nxh7 Nb4+ 25. Kc4 Rxc5+ 26. dxc5 Rb8 27. Rc3 a2 28. Ra3 Nec6 29. Nf6+ Ke7 30. Bg5 Kf7 31. Bf4 Rd8 32. Kb5 Rb8+ 33. Kc4 a6 34. Bd2 Nxe5+ 35. Kb3 Kxf6 36. Bxb4 Nd3 37. Kxa2 Nxb4+ 38. Kb3 a5 39. Kc4 Nc6 40. Ra4 Rb4+ 41. Rxb4 axb4 0-1

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2008.11.30"]
[Round "3.3"]
[White "Sieber, Stephan"]
[Black "Krueger, Rainer"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "2241"]
[BlackElo "2216"]
[PlyCount "54"]
[EventDate "2008.10.26"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Erfurt SK II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 Nc6 8. f3 0-0 9. g4 Nxd4 10. Bxd4 Be6 11. 0-0-0 Qa5 12. a3 Rfc8 13. h4 Bc4 14. h5 Bxf1 15. Rdxf1 Rc4 16. hxg6 fxg6 17. g5 Nxe4 18. fxe4 Rxd4 19. Qf4 Rf8 20. Qg4 Rf5 21. Rxf5 Qxf5 22. Qh4 Qf3 23. Qxh7+ Kf7 24. Kb1 Rd2 25. Rh6 Qf1+ 26. Ka2 Qc4+ 27. Kb1 Qf1+ 1/2-1/2

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2008.11.29"]
[Round "2.3"]
[White "Khantuev, Alexander"]
[Black "Sieber, Stephan"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2349"]
[BlackElo "2241"]
[PlyCount "55"]
[EventDate "2008.10.26"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Hungen Lich"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. Bc4 Nb6 7. Bb3 d5 8. exd6 Qxd6 9. 0-0 Be6 10. Na3 Bxb3 11. Qxb3 dxc3 12. Nb5 Qb8 13. Ng5 e6 14. Re1 Be7 15. Nxf7 Kxf7 16. Qxe6+ Kf8 17. Qf5+ Bf6 18. Bh6 Nd5 19. Rad1 Nce7 20. Rxe7 Kxe7 21. Bxg7 Rd8 22. Nxc3 Qe5 23. Bxf6+ Qxf6 24. Nxd5+ Rxd5 25. Qxd5 Qxb2 26. h4 Rf8 27. Qd6+ Kf7 28. Rd3 1-0

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2008.10.26"]
[Round "1.3"]
[White "Sieber, Stephan"]
[Black "Wehner, Janis"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2241"]
[BlackElo "2204"]
[PlyCount "73"]
[EventDate "2008.10.26"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Erfurt Medizin"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 0-0 13. a4 bxa4 14. Rxa4 a5 15. Bc4 g6 16. b4 Bb7 17. b5 Ne7 18. h4 Nxd5 19. Bxd5 Bxd5 20. Qxd5 Bh6 21. h5 Kg7 22. Rh3 Rc8 23. c4 Rc5 24. Qd3 f5 25. hxg6 hxg6 26. exf5 Rxf5 27. Ne3 Rf4 28. Rg3 Qf6 29. Rxa5 e4 30. Ra7+ Kg8 31. Ra8+ Kg7 32. Qa3 Rxf2 33. Qa7+ Qf7 34. Qa1+ Qf6 35. Ra7+ Kf8 36. Qxf6+ Rxf6 37. b6 1-0

