[Event "Ruhrgebiet VK3 0001"]
[Site "Ruhrgebiet"]
[Date "2001.05.13"]
[Round "9"]
[White "Kueper, Peter"]
[Black "Siebering, Andre"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1800"]
[BlackElo "1809"]
[PlyCount "23"]
[EventDate "2000.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Kirchhellen SF"]
[BlackTeam "Bochum Post II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Bd3 Bg4 6. 0-0 Nc6 7. Re1+ Nge7 8. c3 Qd7 9. b4 0-0-0 10. Nbd2 Ng6 11. Qa4 Nh4 12. Be2 1/2-1/2

[Event "Ruhrgebiet VK3 0001"]
[Site "Ruhrgebiet"]
[Date "2001.03.18"]
[Round "7"]
[White "Terwey, Matthias"]
[Black "Siebering, Andre"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1675"]
[BlackElo "1809"]
[PlyCount "77"]
[EventDate "2000.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Drewer SG"]
[BlackTeam "Bochum Post II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Ne4 5. Nxe4 dxe4 6. f3 c5 7. c3 cxd4 8. Qxd4 Qxd4 9. cxd4 Bb4+ 10. Bd2 Bxd2+ 11. Kxd2 Nc6 12. Bb5 Bd7 13. Ne2 exf3 14. gxf3 Nxe5 15. Bxd7+ Nxd7 16. Rac1 Kd8 17. Nc3 Rc8 18. Nb5 Ke7 19. Rhe1 a6 20. Nc3 Nb6 21. b3 Rhd8 22. Kd3 Kf8 23. a4 Rc6 24. Ne4 e5 25. Rxc6 Rxd4+ 26. Kc2 bxc6 27. Nc5 Nd7 28. Nxa6 Rh4 29. Re2 Rh3 30. Nb4 Rxf3 31. Nxc6 f5 32. Rd2 e4 33. Rxd7 e3 34. Rd8+ Kf7 35. Ne5+ Ke7 36. Nxf3 Kxd8 37. Kd3 f4 38. Ke4 g5 39. Nxg5 1-0

[Event "Ruhrgebiet VK3 0001"]
[Site "Ruhrgebiet"]
[Date "2001.02.11"]
[Round "6"]
[White "Siebering, Andre"]
[Black "Lenser, Uwe"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "1809"]
[BlackElo "1741"]
[PlyCount "39"]
[EventDate "2000.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Bochum Post II"]
[BlackTeam "Marten Boevinghausen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. Nbd2 Be7 5. e3 0-0 6. Bd3 Nbd7 7. Ne5 h6 8. h4 Nxe5 9. dxe5 Nd7 10. Bf4 Nc5 11. Qh5 Nxd3+ 12. cxd3 f5 13. g4 Qe8 14. Qxe8 Rxe8 15. gxf5 exf5 16. Ke2 Be6 17. Rag1 Kf8 18. h5 c5 19. Rg6 Rad8 20. Rhg1 1/2-1/2

[Event "Ruhrgebiet VK3 0001"]
[Site "Ruhrgebiet"]
[Date "2001.01.28"]
[Round "5"]
[White "Siebering, Andre"]
[Black "Heidgen, Andreas"]
[Result "0-1"]
[ECO "A90"]
[WhiteElo "1809"]
[BlackElo "1845"]
[PlyCount "114"]
[EventDate "2000.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Bochum Post II"]
[BlackTeam "Muelheim Nord III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. Nf3 f5 3. c4 Nf6 4. g3 d5 5. Bg2 Bd6 6. Nc3 c6 7. Qc2 0-0 8. 0-0 Bd7 9. Bf4 Bxf4 10. gxf4 Ne4 11. Ne5 Rf6 12. f3 Nd6 13. c5 Nf7 14. e3 Rh6 15. b4 Qh4 16. h3 Nxe5 17. dxe5 g5 18. Ne2 Na6 19. a4 Nxb4 20. Qb3 a5 21. Rad1 Kf7 22. Rd4 Rg8 23. Rxb4 axb4 24. Qxb4 gxf4 25. Nxf4 Bc8 26. Qb6 Qd8 27. a5 Ke8 28. Rb1 Rg7 29. Qxd8+ Kxd8 30. Kh2 Rh4 31. Bf1 Kc7 32. Rb6 d4 33. a6 bxa6 34. Bxa6 Rxf4 35. exf4 Bxa6 36. Rxa6 Rd7 37. Ra7+ Kd8 38. Ra1 Rd5 39. Rd1 Kc7 40. Kg3 d3 41. Kf2 Kb7 42. Ke3 Ka6 43. Kd2 Kb5 44. Rc1 Rxc5 45. Rb1+ Kc4 46. Rb7 Kd4 47. Rd7+ Rd5 48. Rxh7 c5 49. Rc7 c4 50. h4 Rd8 51. Rc6 Rg8 52. Rd6+ Kc5 53. h5 Rg2+ 54. Ke1 Rh2 55. Rxe6 c3 56. Re8 c2 57. Rc8+ Kd4 0-1

[Event "Ruhrgebiet VK3 0001"]
[Site "Ruhrgebiet"]
[Date "2000.09.17"]
[Round "1"]
[White "Tenschert, Hartmut"]
[Black "Siebering, Andre"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1818"]
[BlackElo "1809"]
[PlyCount "57"]
[EventDate "2000.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Castrop Rauxel III"]
[BlackTeam "Bochum Post II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. b3 d5 3. Bb2 dxe4 4. Nc3 Nf6 5. Qe2 Bd7 6. 0-0-0 Bc6 7. d3 exd3 8. Rxd3 Nbd7 9. Nf3 Bxf3 10. Qxf3 c6 11. Rd1 Qc7 12. Be2 0-0-0 13. Kb1 Be7 14. g3 Rhe8 15. Qg2 e5 16. Bc4 Rf8 17. Rhe1 Nb6 18. Qh3+ Kb8 19. Bd3 Bc5 20. Qf5 Bd4 21. Ne4 Bxb2 22. Kxb2 Nxe4 23. Qxe4 f6 24. h4 g6 25. a4 Rd4 26. Qe2 Rfd8 27. a5 Nc8 28. c3 R4d5 29. b4 1/2-1/2

[Event "Ruhrgebiet VK2 9900"]
[Site "Ruhrgebiet"]
[Date "1999.11.21"]
[Round "3"]
[White "Siebering, Andre"]
[Black "Schlicht, Gunnar"]
[Result "0-1"]
[ECO "D03"]
[PlyCount "76"]
[EventDate "1999.09.19"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 0-0 6. Be2 Ne4 7. Nxe4 dxe4 8. Nd2 f5 9. c3 h6 10. Qb3+ Kh7 11. Bf4 Nc6 12. h4 e5 13. dxe5 Nxe5 14. Bxe5 Bxe5 15. 0-0-0 Qe7 16. g4 fxg4 17. Nxe4 Bf5 18. Qc4 b5 19. Qc5 Qe6 20. f3 gxf3 21. Bxf3 Rae8 22. b3 Bxe4 23. Bxe4 Bd6 24. Bd5 Bxc5 25. Bxe6 Ba3+ 26. Kc2 Rf2+ 27. Rd2 Rxd2+ 28. Kxd2 Rxe6 29. Rf1 Kg7 30. b4 c5 31. Rb1 cxb4 32. cxb4 Re4 33. Kc3 Rxe3+ 34. Kd4 Rh3 35. Kc5 Rxh4 36. Kxb5 Rxb4+ 37. Rxb4 Bxb4 38. Kxb4 h5 0-1

[Event "Bochum Post op"]
[Site "Bochum"]
[Date "1992.10.19"]
[Round "7"]
[White "Siebering, Andre"]
[Black "Lukas, Norbert"]
[Result "1/2-1/2"]
[ECO "D03"]
[PlyCount "78"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c3 d5 4. Bg5 Bg7 5. Nbd2 Bf5 6. e3 0-0 7. Be2 Nbd7 8. 0-0 c6 9. Ne5 Nxe5 10. dxe5 Nd7 11. f4 Re8 12. g4 Be4 13. Nxe4 dxe4 14. e6 fxe6 15. Bc4 Nf8 16. Qb3 Qc8 17. f5 b5 18. Bxe6+ Nxe6 19. fxe6 h6 20. Bh4 g5 21. Bg3 Qd8 22. Rad1 Qb6 23. Bf2 Qc5 24. Rd7 a5 25. a3 Rab8 26. Rfd1 b4 27. cxb4 axb4 28. Bg3 Rb5 29. a4 Ra5 30. Be1 Qb6 31. Bg3 Be5 32. Kg2 Bxg3 33. Kxg3 Rxa4 34. Qxa4 Qxe3+ 35. Kg2 Qf3+ 36. Kg1 Qxg4+ 37. Kh1 Qf3+ 38. Kg1 Qe3+ 39. Kh1 Qf3+ 1/2-1/2

[Event "Bochum Post op"]
[Site "Bochum"]
[Date "1992.??.??"]
[Round "4"]
[White "Goeldenboog, Juergen"]
[Black "Siebering, Andre"]
[Result "1-0"]
[ECO "A85"]
[PlyCount "91"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 d5 4. Nf3 c6 5. Bg5 Nf6 6. e3 Bd6 7. Bd3 b6 8. cxd5 cxd5 9. 0-0 Bd7 10. Rc1 0-0 11. Qb3 Kh8 12. Ne5 Qe8 13. Nb5 Bxb5 14. Bxb5 Qh5 15. Bf4 Ne4 16. Nd3 Bxf4 17. Nxf4 Qf7 18. Qb4 Kg8 19. Nd3 a6 20. Ne5 Qf6 21. Bd7 Rd8 22. Rc7 Nxd7 23. Rxd7 Rxd7 24. Nxd7 Qd8 25. f3 Ng5 26. Qd6 Qe8 27. Ne5 Qd8 28. Qxd8+ Rxd8 29. Rc1 Nf7 30. Rc6 Nxe5 31. dxe5 Kf7 32. Rxb6 Rc8 33. f4 Rc1+ 34. Kf2 Rc2+ 35. Kf3 h6 36. Rb7+ Kg6 37. Re7 Rc6 38. g4 fxg4+ 39. Kxg4 Rb6 40. h4 h5+ 41. Kf3 a5 42. b3 Rc6 43. Ke2 Kf5 44. Rxg7 Rc2+ 45. Kf3 Rxa2 46. Rg5# 1-0

[Event "Bochum Post op"]
[Site "Bochum"]
[Date "1992.??.??"]
[Round "6"]
[White "Kalka, Arkadius Georg"]
[Black "Siebering, Andre"]
[Result "1-0"]
[ECO "A90"]
[PlyCount "93"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. g3 f5 2. Bg2 Nf6 3. c4 e6 4. Nf3 d5 5. 0-0 c6 6. b3 Bd6 7. Bb2 Qe7 8. d4 b6 9. Qc2 0-0 10. a3 a5 11. Nbd2 Bb7 12. Ne5 Na6 13. Nd3 c5 14. e3 Rac8 15. Qd1 Ne4 16. f3 Nxd2 17. Qxd2 dxc4 18. bxc4 cxd4 19. Bxd4 Nc5 20. Rfb1 Nxd3 21. Qxd3 Bc5 22. f4 Bxg2 23. Kxg2 Rfd8 24. Qc3 Bxd4 25. exd4 Qc7 26. Rc1 b5 27. c5 Qc6+ 28. Kh3 Rd7 29. Rd1 h6 30. Qe3 g5 31. fxg5 hxg5 32. d5 g4+ 33. Kg2 exd5 34. Qg5+ Rg7 35. Qxf5 d4+ 36. Kg1 Rf8 37. Qe5 Rc8 38. Rac1 Rf8 39. Rxd4 Qf3 40. Qd5+ Rgf7 41. Qxf3 gxf3 42. Kf2 Re8 43. Rg4+ Kf8 44. Rf4 Rxf4 45. gxf4 Re2+ 46. Kxf3 Rxh2 47. c6 1-0

[Event "Bochum Post op"]
[Site "Bochum"]
[Date "1992.??.??"]
[Round "1"]
[White "Siebering, Andre"]
[Black "Bautz, Volker"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "72"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 c5 2. c3 g6 3. Bf4 Nf6 4. e3 Bg7 5. Nf3 0-0 6. Nbd2 b6 7. Bd3 Bb7 8. 0-0 d5 9. Be5 Nbd7 10. Qe2 Nxe5 11. Nxe5 Qc7 12. f3 Ne8 13. Ng4 f5 14. Nf2 e5 15. dxc5 bxc5 16. e4 d4 17. cxd4 cxd4 18. exf5 gxf5 19. Rfc1 Qe7 20. Rc2 Nd6 21. Rac1 Rac8 22. Ba6 Rxc2 23. Rxc2 Bd5 24. b3 Re8 25. Rc5 Ba8 26. Bb5 Rd8 27. Bc6 Nf7 28. Qc4 Bf8 29. b4 Qg5 30. Nf1 Bxc5 31. Qxc5 Bxc6 32. Qxc6 d3 33. Qc4 d2 34. Qc2 Qf4 35. a3 Qd4 36. a4 d1Q 0-1

[Event "Bochum Post op"]
[Site "Bochum"]
[Date "1992.??.??"]
[Round "3"]
[White "Siebering, Andre"]
[Black "Scheyka, Torsten"]
[Result "1/2-1/2"]
[ECO "A81"]
[PlyCount "63"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 g6 2. c3 Bg7 3. Nf3 f5 4. g3 Nf6 5. Bg2 0-0 6. Bf4 c6 7. Nbd2 a5 8. Qc2 b5 9. e4 e6 10. 0-0 Bb7 11. Bg5 h6 12. Bxf6 Qxf6 13. exf5 gxf5 14. Ne5 d6 15. Nd3 Nd7 16. f4 Rac8 17. Nb3 Qd8 18. Rae1 Rf6 19. Nd2 Ba6 20. a3 b4 21. axb4 axb4 22. Ra1 Qb6 23. Rfe1 b3 24. Qb1 c5 25. dxc5 Bxd3 26. Qxd3 Nxc5 27. Qe3 Qb5 28. Ra3 d5 29. Bf1 Qb8 30. Rea1 Rff8 31. Ra5 Qd6 32. Nf3 1/2-1/2

[Event "Bochum Post op"]
[Site "Bochum"]
[Date "1991.??.??"]
[Round "?"]
[White "Jogschies, Uwe"]
[Black "Siebering, Andre"]
[Result "0-1"]
[ECO "A04"]
[PlyCount "58"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 f5 2. d3 Nf6 3. e4 fxe4 4. dxe4 Nxe4 5. Bd3 Nf6 6. Ng5 d6 7. Nxh7 Nxh7 8. Qh5+ Kd7 9. Bxh7 e6 10. 0-0 Nc6 11. Re1 Qe8 12. Qxe8+ Kxe8 13. Bg6+ Kd8 14. Nc3 Be7 15. Ne4 Ne5 16. Ng5 Nxg6 17. Nf7+ Ke8 18. Nxh8 Nxh8 19. Re3 e5 20. b3 Bd7 21. Bb2 Kf7 22. Rae1 Ng6 23. g3 Bf6 24. c4 Bc6 25. b4 a6 26. Rd3 e4 27. Rb3 Bxb2 28. Rxb2 Ne5 29. Rc2 Nf3+ 0-1

[Event "Bochum Post op"]
[Site "Bochum"]
[Date "1991.??.??"]
[Round "?"]
[White "Kurzbuch, Bernd"]
[Black "Siebering, Andre"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "21"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 Be7 6. Bf4 0-0 7. Bd3 Nc6 8. Nge2 Nb4 9. Nb5 Nxd3+ 10. Qxd3 Bb4+ 11. Kf1 1/2-1/2

[Event "Bochum Post op"]
[Site "Bochum"]
[Date "1991.??.??"]
[Round "?"]
[White "Leimkuehler, Heinz Guido"]
[Black "Siebering, Andre"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "98"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Be7 5. Ne2 Nf6 6. 0-0 Bg4 7. f3 Bh5 8. Bg5 Nbd7 9. Re1 0-0 10. Nf4 Re8 11. Nd2 Bg6 12. Nxg6 hxg6 13. c3 c6 14. Nb3 Nh5 15. Bxe7 Rxe7 16. Qd2 Qe8 17. Rxe7 Qxe7 18. Re1 Qf8 19. Na5 Rb8 20. g3 Qd6 21. Kf2 Nhf6 22. b4 b6 23. Nb3 Nf8 24. Bf1 Ne6 25. Bh3 Re8 26. Re2 Nd7 27. Bxe6 Rxe6 28. Qe1 Nf8 29. Re3 Qd7 30. g4 Qd8 31. Kg2 Qg5 32. Re5 Rxe5 33. Qxe5 Qxe5 34. dxe5 Ne6 35. Kf2 c5 36. a3 g5 37. Ke3 Kf8 38. Nc1 Ke7 39. Ne2 Kd7 40. f4 Nxf4 41. Nxf4 gxf4+ 42. Kxf4 Ke6 43. h4 a6 44. h5 f6 45. exf6 Kxf6 46. g5+ Ke6 47. h6 gxh6 48. gxh6 Kf6 49. h7 Kg7 1-0

[Event "Bochum Post op"]
[Site "Bochum"]
[Date "1991.??.??"]
[Round "?"]
[White "Siebering, Andre"]
[Black "Boecher, Joachim"]
[Result "1/2-1/2"]
[ECO "D03"]
[PlyCount "99"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. c3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nbd2 0-0 7. Bd3 c5 8. 0-0 a6 9. a4 h6 10. Bh4 Qc7 11. Bg3 Bd6 12. Bxd6 Qxd6 13. Qe2 b6 14. e4 dxe4 15. Nxe4 Qc7 16. dxc5 bxc5 17. Rfd1 Bb7 18. Rd2 Nd5 19. Qd1 Rad8 20. Bf1 N7f6 21. Nxf6+ Nxf6 22. Bd3 c4 23. Bc2 Bxf3 24. gxf3 Rxd2 25. Qxd2 Rd8 26. Qe2 Qb7 27. Rb1 Qc6 28. h3 Nd5 29. Qe4 g6 30. Qh4 Rb8 31. Qxh6 Ne7 32. Be4 Qxa4 33. Qf4 Qb5 34. Kh2 Kg7 35. Qc7 Nf5 36. Bxf5 exf5 37. Kg3 Re8 38. f4 Re2 39. Kf3 Rxb2 40. Rxb2 Qxb2 41. Qxc4 Qb6 42. Ke2 Kf6 43. Kd3 Ke7 44. f3 Qb7 45. Qc5+ Kd7 46. Qd4+ Kc6 47. Qc4+ Kd7 48. Qd4+ Ke6 49. Qe5+ Kd7 50. Qd4+ 1/2-1/2

[Event "Bochum Post op"]
[Site "Bochum"]
[Date "1991.??.??"]
[Round "?"]
[White "Siebering, Andre"]
[Black "Orth, Roman"]
[Result "0-1"]
[ECO "D03"]
[PlyCount "98"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 c6 4. Nbd2 Bf5 5. e3 e6 6. Be2 Nbd7 7. c3 Bd6 8. Nh4 Bg6 9. Nxg6 hxg6 10. e4 dxe4 11. Nxe4 Be7 12. Nxf6+ Bxf6 13. Bf4 e5 14. dxe5 Bxe5 15. Bxe5 Nxe5 16. Qxd8+ Rxd8 17. Rd1 Rxd1+ 18. Kxd1 g5 19. Kc2 f6 20. f3 Ke7 21. g3 Kd6 22. f4 gxf4 23. gxf4 Ng6 24. f5 Nf4 25. Bg4 Ng2 26. Kd2 Ke5 27. h3 Rd8+ 28. Kc2 Ne3+ 29. Kb3 Kf4 30. Re1 Rd7 31. Re2 Nxg4 32. hxg4 Kxg4 33. Rf2 a5 34. Kc2 b5 35. Rf1 Rd5 36. Rg1+ Kxf5 37. Rxg7 a4 38. Rg8 Rd6 39. Rf8 Ke5 40. Re8+ Kf4 41. Rf8 f5 42. b3 axb3+ 43. Kxb3 Ke4 44. Kb4 f4 45. Re8+ Kd3 46. Rf8 Ke3 47. Kc5 Re6 48. c4 bxc4 49. Kxc4 f3 0-1

[Event "Bochum Post op"]
[Site "Bochum"]
[Date "1991.??.??"]
[Round "?"]
[White "Siebering, Andre"]
[Black "Preuss, Manfred"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "127"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Nh5 4. Bg3 Bg7 5. e3 c5 6. c3 Qb6 7. Qb3 Qxb3 8. axb3 Nxg3 9. hxg3 cxd4 10. exd4 Nc6 11. Nbd2 d6 12. Bc4 0-0 13. 0-0 Bd7 14. Rfe1 e6 15. d5 Ne5 16. Nxe5 Bxe5 17. f4 exd5 18. Bxd5 Bg7 19. Bxb7 Rab8 20. Bd5 Rb5 21. Bc4 Rh5 22. Rxa7 Bg4 23. Ree7 d5 24. Bd3 d4 25. c4 Bd1 26. Ne4 Bxb3 27. Ng5 Bf6 28. Rxf7 Rxf7 29. Nxf7 Rc5 30. Nd6 Rc6 31. Ne4 Bg7 32. Nd2 Bd1 33. Ra1 Bg4 34. b4 Re6 35. Ne4 Bf8 36. b5 Bf5 37. Re1 Bb4 38. Re2 Bg4 39. Rb2 Ba3 40. Ra2 Bc1 41. c5 Be3+ 42. Kf1 Bf5 43. Bc4 Bxe4 44. Bxe6+ Kg7 45. Ke1 d3 46. c6 Bb6 47. Kd2 Kf6 48. Bc4 Ke7 49. Bxd3 Bxg2 50. Kc3 Bh3 51. Rh2 Ba5+ 52. Kd4 Bb6+ 53. Ke5 Bc7+ 54. Kd5 Be6+ 55. Kc5 Bd6+ 56. Kb6 h5 57. Bxg6 Kd8 58. Rxh5 Bc7+ 59. Kc5 Kc8 60. f5 Ba2 61. Rh8+ Bd8 62. b6 Bb1 63. c7 Kb7 64. cxd8Q 1-0

[Event "Bochum Post op"]
[Site "Bochum"]
[Date "1991.??.??"]
[Round "?"]
[White "Siebering, Andre"]
[Black "Schuetz, Peter"]
[Result "0-1"]
[ECO "D03"]
[PlyCount "100"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bg5 e6 4. e3 Be7 5. Nbd2 Nbd7 6. Bd3 b6 7. 0-0 0-0 8. Ne5 c5 9. c3 c4 10. Bc2 Nxe5 11. dxe5 Nd7 12. Bxe7 Qxe7 13. f4 f6 14. exf6 Nxf6 15. e4 dxe4 16. Nxe4 Bb7 17. Qe2 Bxe4 18. Bxe4 Qc5+ 19. Kh1 Rad8 20. Bc2 Rd6 21. Rad1 Nd5 22. Qh5 g6 23. Bxg6 hxg6 24. Qxg6+ Kh8 25. Qh6+ Kg8 26. Qg6+ Kh8 27. Qh5+ Kg7 28. Rf3 Kf6 29. Rg3 Ke7 30. Rg7+ Kd8 31. Rxa7 Qc6 32. h4 Nxf4 33. Rxd6+ Qxd6 34. Ra8+ Kc7 35. Qh7+ Kc6 36. Qe4+ Kc5 37. b4+ cxb3 38. Qb4+ Kc6 39. Qxd6+ Kxd6 40. Rxf8 b2 41. Rd8+ Kc5 42. Rd1 Kc4 43. g3 Nd3 44. Rb1 Kxc3 45. h5 Kc2 46. Rxb2+ Kxb2 47. h6 Ne5 48. h7 Nf7 49. g4 Kxa2 50. g5 Nh8 0-1

[Event "Bochum-ch"]
[Site "Bochum"]
[Date "1990.??.??"]
[Round "?"]
[White "Barth, Hans Joachim"]
[Black "Siebering, Andre"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "31"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c6 2. g3 g6 3. Bg2 Bg7 4. d4 d5 5. Ne2 Na6 6. 0-0 Nh6 7. Bg5 f6 8. Bxh6 Bxh6 9. Nbc3 dxe4 10. Nxe4 Nc7 11. c4 Be6 12. b3 0-0 13. Nc5 Rb8 14. d5 cxd5 15. Nxe6 Nxe6 16. Bxd5 1-0

[Event "Bochum-ch"]
[Site "Bochum"]
[Date "1990.??.??"]
[Round "?"]
[White "Barth, Henry"]
[Black "Siebering, Andre"]
[Result "1/2-1/2"]
[ECO "D37"]
[PlyCount "53"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. e3 Nf6 4. Nc3 Be7 5. Be2 0-0 6. 0-0 Nbd7 7. cxd5 exd5 8. d4 c6 9. a3 Ne4 10. Nxe4 dxe4 11. Nd2 Nf6 12. f3 Nd5 13. Nxe4 Be6 14. Nc3 f5 15. Bd3 Bd6 16. f4 Qd7 17. Qf3 Rae8 18. Qh3 Nxc3 19. bxc3 Bd5 20. c4 Be4 21. Be2 Rf6 22. Bf3 Bd3 23. Re1 Bxc4 24. Bb2 Rh6 25. Qg3 Be7 26. Qf2 Bd5 27. e4 1/2-1/2

[Event "Bochum Post op"]
[Site "Bochum"]
[Date "1990.??.??"]
[Round "?"]
[White "Bautz, Volker"]
[Black "Siebering, Andre"]
[Result "1-0"]
[ECO "A17"]
[PlyCount "73"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 d5 3. c4 c6 4. Nf3 Nbd7 5. cxd5 cxd5 6. 0-0 e6 7. Nc3 Be7 8. d3 0-0 9. Bf4 a6 10. Rc1 b5 11. a4 Nh5 12. axb5 Nxf4 13. gxf4 axb5 14. Nxb5 Rb8 15. Nfd4 Qa5 16. Ra1 Qb4 17. Qa4 Qxa4 18. Rxa4 Nc5 19. Ra7 Bd7 20. b4 Nb7 21. Rb1 Bf6 22. e4 Bxb5 23. Nxb5 Nd8 24. Nc7 Nc6 25. Ra4 dxe4 26. Bxe4 Rfc8 27. Na6 Rb6 28. Bxc6 Rbxc6 29. b5 Rc1+ 30. Rxc1 Rxc1+ 31. Kg2 Rb1 32. Nb4 g6 33. b6 Bd8 34. b7 Bc7 35. Ra8+ Kg7 36. b8Q Bxb8 37. Rxb8 1-0

[Event "Bochum-ch"]
[Site "Bochum"]
[Date "1990.??.??"]
[Round "?"]
[White "Erlenkaemper, Detlef"]
[Black "Siebering, Andre"]
[Result "0-1"]
[ECO "D01"]
[PlyCount "68"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Nf3 Bf5 4. Bg5 e6 5. e3 Nbd7 6. Bb5 c6 7. Be2 Be7 8. 0-0 h6 9. Bh4 0-0 10. a3 c5 11. Bg3 a6 12. h3 Rc8 13. Ne5 cxd4 14. exd4 Ne4 15. Nxe4 Bxe4 16. c3 Nxe5 17. Bxe5 Qb6 18. Qd2 Bg5 19. f4 Be7 20. Bf3 Bxf3 21. Rxf3 f6 22. Bxf6 Rxf6 23. Raf1 Rcf8 24. b4 Bd6 25. a4 Qc7 26. g3 g5 27. a5 gxf4 28. gxf4 Rxf4 29. Rxf4 Rxf4 30. Rxf4 Bxf4 31. Qd3 Qg7+ 32. Kh1 Qg3 33. Qxg3+ Bxg3 34. Kg2 Be1 0-1

[Event "Bochum Post op"]
[Site "Bochum"]
[Date "1990.??.??"]
[Round "?"]
[White "Hoppe, Udo"]
[Black "Siebering, Andre"]
[Result "1-0"]
[ECO "A86"]
[PlyCount "59"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nh3 Bg7 5. 0-0 0-0 6. c4 d6 7. d5 c5 8. Nc3 Na6 9. Nf4 Nc7 10. h4 Rb8 11. a4 e5 12. dxe6 Bxe6 13. Nxe6 Nxe6 14. e3 a6 15. Qb3 Kh8 16. Rd1 g5 17. hxg5 Nxg5 18. Qc2 Ng4 19. f4 Ne6 20. Bf3 Rf6 21. Kg2 Rh6 22. Bxg4 fxg4 23. Bd2 Qe8 24. Rh1 Qc6+ 25. Nd5 Rxh1 26. Rxh1 h6 27. Bc3 Kg8 28. Qg6 Re8 29. f5 Qxa4 30. fxe6 1-0

[Event "Bochum-ch"]
[Site "Bochum"]
[Date "1990.??.??"]
[Round "?"]
[White "Lewandowski, Guenter"]
[Black "Siebering, Andre"]
[Result "1/2-1/2"]
[ECO "B12"]
[PlyCount "39"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 g6 3. f4 d5 4. e5 h5 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 e6 8. Be3 Nd7 9. Nd2 Be7 10. Bd3 h4 11. a4 Nh6 12. Qf2 Nf5 13. Bxf5 gxf5 14. a5 Bb4 15. a6 b6 16. c3 Be7 17. Ke2 Qc7 18. Nf3 0-0-0 19. Rhc1 Kb8 20. Kf1 1/2-1/2

[Event "Bochum Post op"]
[Site "Bochum"]
[Date "1990.??.??"]
[Round "?"]
[White "Siebering, Andre"]
[Black "Braeutigam, Manfred"]
[Result "1-0"]
[ECO "A46"]
[PlyCount "37"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 h6 4. Bh4 g5 5. Bg3 Ne4 6. Nbd2 Nxg3 7. hxg3 d5 8. e3 Nc6 9. Bb5 Bd7 10. Bxc6 Bxc6 11. Ne5 Bb5 12. Qh5 Qf6 13. Ndf3 Qf5 14. a4 Ba6 15. g4 Qf6 16. Nxg5 Bg7 17. Qxf7+ Qxf7 18. Ngxf7 Rh7 19. g5 1-0

[Event "Bochum Post op"]
[Site "Bochum"]
[Date "1990.??.??"]
[Round "?"]
[White "Siebering, Andre"]
[Black "Habant, O."]
[Result "1/2-1/2"]
[ECO "D03"]
[PlyCount "104"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bg5 e6 4. e3 b6 5. c3 Nbd7 6. Bb5 Bb7 7. Ne5 c6 8. Nxc6 Bxc6 9. Bxc6 Rc8 10. Ba4 Be7 11. 0-0 Qc7 12. Nd2 Bd6 13. f4 a6 14. Bxf6 gxf6 15. Bxd7+ Qxd7 16. e4 Qb5 17. exd5 Qxd5 18. Qa4+ Qb5 19. Qxb5+ axb5 20. Ne4 Ke7 21. Nxd6 Kxd6 22. Rf3 Rhg8 23. Rg3 Rg6 24. Rf1 Rxg3 25. hxg3 Rg8 26. Kf2 f5 27. Kf3 Kd5 28. Rh1 Rg7 29. b3 b4 30. cxb4 Kxd4 31. Rd1+ Kc3 32. Rd6 b5 33. a4 bxa4 34. bxa4 Kxb4 35. Rd4+ Ka5 36. Kf2 h6 37. Kf3 Rg8 38. Rd7 Rf8 39. Rd4 Rg8 40. Kf2 Rg7 41. Kf3 Rg8 42. Rd7 Rf8 43. g4 fxg4+ 44. Kxg4 Rg8+ 45. Kf3 f5 46. Re7 Rg6 47. Ra7+ Kb6 48. Ra8 Kb7 49. Ra5 Kb6 50. Rb5+ Ka6 51. Re5 Kb6 52. g3 h5 1/2-1/2

[Event "Bochum-ch"]
[Site "Bochum"]
[Date "1990.??.??"]
[Round "?"]
[White "Siebering, Andre"]
[Black "Hollstein, Ralf"]
[Result "0-1"]
[ECO "D03"]
[PlyCount "96"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. e3 a6 5. Nbd2 Be7 6. Bd3 Nbd7 7. 0-0 c5 8. c3 0-0 9. Ne5 Nxe5 10. dxe5 Nd7 11. Bxe7 Qxe7 12. f4 b5 13. Qh5 g6 14. Qh6 f6 15. exf6 Nxf6 16. e4 c4 17. Bc2 Ng4 18. Qh3 Qc5+ 19. Kh1 Nf2+ 20. Rxf2 Qxf2 21. Rd1 Qxf4 22. Qf3 Qg5 23. Qe2 Bb7 24. Nf3 Qg4 25. e5 Rae8 26. Kg1 d4 27. Nxd4 Qg5 28. Be4 Bxe4 29. Qxe4 Qf4 30. Qe2 Qf7 31. Nf3 Rd8 32. Nd4 h6 33. Qe3 Rd5 34. Re1 Rxe5 35. Qd2 Rd5 36. Qe2 Re5 37. Qd2 Rxe1+ 38. Qxe1 e5 39. Nf3 Re8 40. Qe4 Kh7 41. Nh4 Qf6 42. h3 Rd8 43. Nf3 Rd1+ 44. Kf2 Rd7 45. Ke2 Qd6 46. Qe3 Qd5 47. Kf2 Rf7 48. Ke2 e4 0-1

[Event "Bochum Post op"]
[Site "Bochum"]
[Date "1990.??.??"]
[Round "?"]
[White "Siebering, Andre"]
[Black "Meise, Ulrich"]
[Result "1-0"]
[ECO "D03"]
[PlyCount "77"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. e3 c5 5. Nbd2 a6 6. c3 Nc6 7. Bd3 h6 8. Bh4 Bd6 9. Bg3 cxd4 10. exd4 Bxg3 11. hxg3 Qb6 12. Rb1 e5 13. Nxe5 Nxe5 14. dxe5 Ng4 15. Qe2 0-0 16. Rh4 f5 17. f3 Ne3 18. Qf2 g5 19. Rb4 Qa7 20. Ke2 Re8 21. Qxe3 Qb8 22. f4 gxf4 23. gxf4 Qc7 24. Qg3+ Kh7 25. Rh1 Bd7 26. Qh3 Qc6 27. Bxf5+ Bxf5 28. Qxf5+ Kh8 29. Qh5 Re6 30. Nf3 a5 31. Nd4 Qa6+ 32. Rb5 Rg8 33. Kf3 Reg6 34. g4 Kh7 35. f5 Rg5 36. Qf7+ R8g7 37. Qxd5 Rxg4 38. Rh3 Rg1 39. Qe6 1-0

[Event "Bochum-ch"]
[Site "Bochum"]
[Date "1990.??.??"]
[Round "?"]
[White "Siebering, Andre"]
[Black "Steinke, Matthias"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "90"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. Bf4 Nf6 4. e3 c5 5. c3 Nc6 6. Nbd2 Bd7 7. Bd3 Be7 8. 0-0 0-0 9. h3 cxd4 10. exd4 Bc8 11. Bh2 Bd6 12. Ne5 Qc7 13. f4 Nd7 14. Qh5 f5 15. Qe2 Nf6 16. Ndf3 Bd7 17. Rae1 Rae8 18. Kh1 Ne4 19. Bxe4 dxe4 20. Nd2 Ne7 21. Rg1 Bc6 22. Nf1 Bxe5 23. dxe5 Rd8 24. Ne3 Nd5 25. Nxd5 Bxd5 26. Ra1 Bc4 27. Qc2 Qc6 28. b3 Bd3 29. Qf2 b6 30. c4 a6 31. Rgd1 b5 32. cxb5 Qxb5 33. Bg1 Rc8 34. Rdc1 Rc6 35. Rxc6 Qxc6 36. Qc5 Qxc5 37. Bxc5 Rc8 38. Rc1 h6 39. Be3 Rxc1+ 40. Bxc1 Kf7 41. Kg1 Ke8 42. Kf2 Kd7 43. g3 Kc6 44. a3 Kd5 45. Bb2 Kc5 1/2-1/2

[Event "Bochum-ch"]
[Site "Bochum"]
[Date "1990.??.??"]
[Round "?"]
[White "Siebering, Andre"]
[Black "Thomas, Hiemo"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "109"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. Bf4 e6 4. e3 Nf6 5. c3 a6 6. Nbd2 Be7 7. Bd3 Nb8 8. 0-0 Nbd7 9. a4 Nh5 10. b4 Nxf4 11. exf4 0-0 12. Qc2 g6 13. Kh1 b6 14. Ne5 Bb7 15. Ndf3 Bf6 16. Nxd7 Qxd7 17. h4 Qe7 18. g3 Rac8 19. Qe2 Ra8 20. Rab1 Rfc8 21. Kg2 c5 22. Ne5 cxd4 23. cxd4 Bxe5 24. fxe5 Bc6 25. Bxa6 Rc7 26. Bb5 Bb7 27. Qb2 Rac8 28. Rfc1 f6 29. Rxc7 Rxc7 30. exf6 Qxf6 31. f4 Qf5 32. Rc1 Qe4+ 33. Kh2 Rxc1 34. Qxc1 Qxd4 35. Qc7 Qf2+ 36. Kh3 Qg1 37. Qd8+ Kg7 38. Qe7+ Kh6 39. Qf8+ Kh5 40. g4+ Qxg4+ 41. Kh2 Qxh4+ 42. Kg1 Qg3+ 43. Kf1 Qf3+ 44. Ke1 d4 45. Be2 Qxe2+ 46. Kxe2 Be4 47. Kd2 Bf5 48. Qd6 d3 49. Qxb6 Kg4 50. Qf2 h5 51. b5 h4 52. b6 Be4 53. a5 Bb7 54. Kxd3 h3 55. Qh2 1-0

[Event "Bochum Post op"]
[Site "Bochum"]
[Date "1990.??.??"]
[Round "?"]
[White "Sondermann, Dirk"]
[Black "Siebering, Andre"]
[Result "1/2-1/2"]
[ECO "A87"]
[PlyCount "84"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 d6 7. Nc3 Qe8 8. b3 e5 9. dxe5 dxe5 10. Ba3 Rf7 11. Ng5 Rd7 12. Qc2 h6 13. Nh3 Nc6 14. Bxc6 bxc6 15. f3 f4 16. Nf2 fxg3 17. hxg3 Rd8 18. Nce4 Nxe4 19. Nxe4 Bf5 20. Rad1 Rd4 21. Bc5 Bxe4 22. fxe4 Rxd1 23. Rxd1 Bf8 24. Be3 Be7 25. Qc1 g5 26. Bf2 Rd8 27. Qc2 Qf8 28. Rxd8 Qxd8 29. Bxa7 c5 30. Qd3 Qd4+ 31. Qxd4 exd4 32. b4 cxb4 33. Bxd4 c5 34. Be3 h5 35. Kf2 g4 36. Bf4 Kf7 37. Bb8 Ke6 38. Ke3 Bg5+ 39. Kf2 Be7 40. Bf4 Bf6 41. Ke1 Bc3+ 42. Kf2 Bf6 1/2-1/2

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "1989.??.??"]
[Round "5"]
[White "Siebering, Andre"]
[Black "Tamm, Ulrich"]
[Result "0-1"]
[ECO "A47"]
[BlackElo "2270"]
[PlyCount "104"]
[EventDate "1989.03.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. Nbd2 0-0 5. e3 b6 6. Bd3 Bb7 7. 0-0 c5 8. c3 d6 9. Qe2 Nd5 10. Bxe7 Qxe7 11. Bc2 Nf6 12. Rad1 Nc6 13. Rfe1 a6 14. Ne4 Nxe4 15. Bxe4 f5 16. Bc2 e5 17. dxe5 Nxe5 18. Nxe5 Qxe5 19. Bb3+ d5 20. Rd2 Rad8 21. Red1 Rd7 22. Qf3 c4 23. Bc2 d4 24. exd4 Bxf3 25. dxe5 Bxd1 26. Rxd1 Rxd1+ 27. Bxd1 Rd8 28. Bf3 Rd2 29. Kf1 Rxb2 30. Bd5+ Kf8 31. Bxc4 b5 32. Bb3 Rd2 33. Ke1 Rb2 34. c4 bxc4 35. Bxc4 a5 36. Bb3 h6 37. g3 g5 38. Kf1 Rd2 39. Ke1 Rb2 40. Kf1 Ke7 41. Kg2 Re2 42. e6 Kf6 43. Kf3 Re4 44. h3 a4 45. Bd5 Rd4 46. e7 Kxe7 47. Bg8 Kd6 48. Ke3 Ke5 49. Kf3 f4 50. Bf7 Kd6 51. Bg8 Kc5 52. Ke2 Kb4 0-1

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "1988.??.??"]
[Round "?"]
[White "Dombrowski, Guenter"]
[Black "Siebering, Andre"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "85"]
[EventDate "1988.03.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. b3 Nf6 4. g3 c5 5. d3 Nbd7 6. Bf4 Be7 7. Nc3 a6 8. Bg2 b6 9. cxd5 exd5 10. 0-0 0-0 11. Qc1 Bb7 12. Nh4 Re8 13. Nf5 Nf8 14. Re1 Ne6 15. Nxe7+ Rxe7 16. Bd2 d4 17. Ne4 Nxe4 18. dxe4 Nf8 19. Qc2 Qe8 20. f3 Rd8 21. Bg5 f6 22. Bd2 Red7 23. Bh3 Re7 24. b4 Bc8 25. Bxc8 Rxc8 26. bxc5 Ne6 27. e3 Rxc5 28. Qb3 Rb5 29. Qd3 Rd7 30. Reb1 Qh5 31. Kg2 Rf7 32. exd4 Ng5 33. Bxg5 fxg5 34. g4 Qg6 35. Rxb5 axb5 36. Qxb5 Qf6 37. Qd3 g6 38. e5 Qf4 39. Re1 Re7 40. Qe3 Kf7 41. d5 Qb4 42. e6+ Ke8 43. Qe5 1-0

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "1988.??.??"]
[Round "?"]
[White "Siebering, Andre"]
[Black "Heine"]
[Result "1/2-1/2"]
[ECO "A48"]
[PlyCount "87"]
[EventDate "1988.03.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c3 b6 4. e3 g6 5. Bd3 Bb7 6. Nbd2 d6 7. 0-0 Bg7 8. Qe2 Nbd7 9. e4 cxd4 10. cxd4 Nh5 11. Nb3 e5 12. Bd2 0-0 13. Rac1 exd4 14. Nbxd4 Nc5 15. b4 Ne6 16. Nc6 Qd7 17. b5 Nef4 18. Bxf4 Nxf4 19. Qe3 Bh6 20. Kh1 Nxd3 21. Qxh6 Nxc1 22. Rxc1 Rae8 23. h4 f6 24. Qd2 Rxe4 25. Qd5+ Qe6 26. Ne7+ Kg7 27. Qxb7 Rf7 28. Rc7 Rxe7 29. Qxa7 Kh6 30. Qxb6 Rxc7 31. Qxc7 Qxa2 32. Qxd6 Qb1+ 33. Kh2 Qxb5 34. Qxf6 Qf5 35. Qc3 Qf4+ 36. Kg1 Rc4 37. Qa5 Rc1+ 38. Ne1 Qxh4 39. Qd2+ Qg5 40. Qe2 Qf4 41. g3 Qg5 42. Kg2 Rb1 43. Nf3 Qc1 44. g4 1/2-1/2

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "1988.??.??"]
[Round "?"]
[White "Siebering, Andre"]
[Black "Spyrou, Emmanouil"]
[Result "0-1"]
[ECO "E69"]
[PlyCount "74"]
[EventDate "1988.03.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. g3 d6 6. Bg2 Nbd7 7. 0-0 e5 8. e4 c6 9. h3 Qb6 10. Re1 exd4 11. Qxd4 Nc5 12. Qe3 Re8 13. Nd2 Be6 14. Rb1 a5 15. b3 Nfd7 16. Bb2 Ne5 17. Red1 Ned3 18. Ba1 Nb4 19. Rbc1 f5 20. Nf3 Qc7 21. a3 Nba6 22. Ne2 Bxa1 23. Rxa1 a4 24. b4 Nb3 25. Ra2 Bxc4 26. Nc3 b5 27. Nd4 Nxd4 28. Qxd4 Bxa2 29. exf5 Bb3 30. fxg6 hxg6 31. Rd3 d5 32. Rf3 Qg7 33. Qg4 Nc7 34. Bf1 Rf8 35. Re3 Rae8 36. Qe2 Rxe3 37. Qxe3 d4 0-1

