[Event "Hessenliga 1718"]
[Site "Hessen"]
[Date "2018.04.15"]
[Round "9.5"]
[White "Roosen, Holger"]
[Black "Roeschlau, Bernd"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "2219"]
[BlackElo "2222"]
[PlyCount "42"]
[EventDate "2017.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Frankfurt BvK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e6 2. Nf3 Nf6 3. e3 d5 4. Nc3 Be7 5. Be2 a6 6. d4 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. Qc2 Nbd7 10. Ne4 Rc8 11. a4 c5 12. axb5 Nxe4 13. Bxe4 cxd4 14. Bc6 axb5 15. Bxd7+ Qxd7 16. Qd3 Bxf3 17. gxf3 e5 18. 0-0 0-0 19. Kh1 Qh3 20. exd4 e4 21. Qd1 exf3 0-1

[Event "Hessenliga 1718"]
[Site "Hessen"]
[Date "2018.02.18"]
[Round "7.4"]
[White "Kaliski, Erwin"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "2266"]
[BlackElo "2219"]
[PlyCount "88"]
[EventDate "2017.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Bad Nauheim"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 0-0 8. 0-0 Ng4 9. Qxg4 Nxd4 10. Qd1 Nc6 11. Qd2 Qa5 12. Bh6 d6 13. Bxg7 Kxg7 14. Bd5 Be6 15. f4 Qb4 16. Rad1 Bg4 17. Rde1 Qd4+ 18. Rf2 Qxd2 19. Rxd2 Bd7 20. h3 Rab8 21. Red1 Rfc8 22. Bb3 Be6 23. Kf2 a6 24. Ke3 Na5 25. g4 Bc4 26. Nd5 Nxb3 27. axb3 Bxd5 28. exd5 Rc7 29. c4 b5 30. Kd4 bxc4 31. bxc4 Rb4 32. Rc1 Rcb7 33. Ra1 Rxb2 34. Rxb2 Rxb2 35. Rxa6 Rb3 36. Ra7 Kf8 37. Ra8+ Kg7 38. Re8 Rb7 39. c5 dxc5+ 40. Kxc5 h6 41. Kc6 Ra7 42. Kb6 Rd7 43. Kc6 Rd6+ 44. Kc5 Rd7 1/2-1/2

[Event "Hessenliga 1718"]
[Site "Hessen"]
[Date "2018.01.28"]
[Round "6.7"]
[White "Boehm, Siegfried"]
[Black "Roosen, Holger"]
[Result "0-1"]
[ECO "A39"]
[WhiteElo "2159"]
[BlackElo "2219"]
[PlyCount "80"]
[EventDate "2017.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Kassel II"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Nf3 Nf6 6. d4 cxd4 7. Nxd4 Nxd4 8. Qxd4 0-0 9. 0-0 d6 10. Qd3 Bf5 11. e4 Be6 12. Be3 Ng4 13. Bd4 Ne5 14. Bxe5 Bxe5 15. Nd5 Rb8 16. Rab1 Qd7 17. f4 Bg7 18. f5 Bxd5 19. exd5 b5 20. fxg6 hxg6 21. b3 bxc4 22. Qxc4 Rbc8 23. Qe4 Rc5 24. Rfc1 Rfc8 25. Rc4 Qb5 26. Bf1 Qb6 27. Kg2 Qa5 28. a4 Qd2+ 29. Kh1 Be5 30. Qg2 Qg5 31. Rxc5 Rxc5 32. Bc4 Kg7 33. Qf3 f5 34. Rg1 Rc8 35. h3 Rh8 36. Kg2 Rh4 37. Kh2 Re4 38. Bf1 Re3 39. Qf2 f4 40. g4 Rxb3 0-1

[Event "Hessenliga 1718"]
[Site "Hessen"]
[Date "2018.01.14"]
[Round "5.5"]
[White "Roosen, Holger"]
[Black "Burkhardt, Holger"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2219"]
[BlackElo "2064"]
[PlyCount "126"]
[EventDate "2017.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Giessen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nc3 d6 3. g3 f5 4. Bg2 Nf6 5. d3 Be7 6. e3 0-0 7. Nge2 Qe8 8. b4 c6 9. b5 a6 10. bxc6 Nxc6 11. 0-0 Qh5 12. Nd5 Nxd5 13. Bxd5+ Kh8 14. Rb1 Nd8 15. Nc3 Qg6 16. Bg2 Nc6 17. Nd5 Bd8 18. Ba3 Rb8 19. f4 Re8 20. Rf2 Bd7 21. Rfb2 b5 22. cxb5 axb5 23. Rxb5 Rxb5 24. Rxb5 exf4 25. Nxf4 Qh6 26. Rd5 Bc7 27. Qc1 Rc8 28. Qd2 Ne5 29. Bb2 Bc6 30. Rd4 Bb6 31. h3 Bxd4 32. Bxd4 Qg5 33. Kh2 Qe7 34. Qe2 Bxg2 35. Kxg2 Qc7 36. Bxe5 dxe5 37. Nd5 Qc2 38. Qxc2 Rxc2+ 39. Kf3 Rxa2 40. g4 fxg4+ 41. hxg4 Ra4 42. Nb6 e4+ 43. dxe4 Ra6 44. Nd5 Kg8 45. e5 Kf7 46. Kf4 h6 47. Kf5 g6+ 48. Kf4 Ra4+ 49. e4 Ra3 50. g5 h5 51. Ne3 Ke6 52. Nc2 Rd3 53. Ne1 Rd2 54. Ke3 Rh2 55. Nf3 Rg2 56. Kf4 Rg4+ 57. Ke3 h4 58. Nd4+ Ke7 59. Nf3 h3 60. Kf2 Rg2+ 61. Kf1 Ke6 62. Ng1 Rg3 63. Ne2 Rg4 0-1

[Event "Hessenliga 1718"]
[Site "Hessen"]
[Date "2017.12.03"]
[Round "4.5"]
[White "Heiming, Helmut"]
[Black "Roosen, Holger"]
[Result "0-1"]
[ECO "A26"]
[BlackElo "2219"]
[PlyCount "118"]
[EventDate "2017.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Bad Homburg"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. d3 d6 8. e3 Bf5 9. a3 Qd7 10. Re1 Rfe8 11. Ng5 h6 12. Nge4 Nxe4 13. Nxe4 Be6 14. Nc3 Rab8 15. Qc2 Ne7 16. b4 c6 17. Bb2 d5 18. cxd5 cxd5 19. Ne2 Rec8 20. Qd2 Nf5 21. Rec1 Nd6 22. Rxc8+ Rxc8 23. Rc1 Rc6 24. Rc5 Qc7 25. Qc1 a5 26. Rxc6 bxc6 27. Bc3 axb4 28. Bxb4 Nb7 29. d4 Qb6 30. Qc3 exd4 31. exd4 Qb5 32. Bf1 Qa4 33. Nf4 Bf5 34. Qe3 Be4 35. f3 Qd1 36. Ne2 Bd3 37. Bc3 Bxe2 38. Qxe2 Bxd4+ 39. Bxd4 Qxd4+ 40. Kg2 Nd6 41. g4 Kg7 42. Qc2 c5 43. a4 c4 44. a5 Qa1 45. Qd2 d4 46. a6 d3 47. Bxd3 Qxa6 48. Qc3+ Kg8 49. Bf1 Qa2+ 50. Kg1 Qb3 51. Qd4 Qb4 52. Kg2 Kh7 53. h4 h5 54. gxh5 Nf5 55. hxg6+ fxg6 56. Qf4 Qc5 57. Kh3 Qe3 58. Qg4 Qe1 59. Bg2 Qxh4+ 0-1

[Event "Hessenliga 1718"]
[Site "Hessen"]
[Date "2017.11.19"]
[Round "3.6"]
[White "Roosen, Holger"]
[Black "Branowski, Mieczyslaw Wiliam"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2219"]
[BlackElo "2129"]
[PlyCount "65"]
[EventDate "2017.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Niederbrechen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e6 2. Nf3 f5 3. Nc3 Nf6 4. d3 Bb4 5. g3 0-0 6. Bg2 d6 7. 0-0 e5 8. Bg5 Bxc3 9. bxc3 Nc6 10. Ne1 Qe8 11. e3 Rb8 12. Rb1 b6 13. Nc2 Bb7 14. Nb4 Ne7 15. Bxf6 Rxf6 16. Bxb7 Rxb7 17. Nd5 Nxd5 18. cxd5 f4 19. exf4 exf4 20. Qg4 Rb8 21. Rbe1 Qf7 22. Re6 Rf8 23. Rxf6 Qxf6 24. Qxf4 Qxf4 25. gxf4 Rxf4 26. Re1 Kf7 27. Re4 Rf5 28. Rc4 Rxd5 29. Rxc7+ Kf6 30. Rxa7 Rxd3 31. Ra6 Rxc3 32. Rxb6 Ke6 33. a4 1/2-1/2

[Event "Hessenliga 1718"]
[Site "Hessen"]
[Date "2017.09.17"]
[Round "1.5"]
[White "Roosen, Holger"]
[Black "Bahlke, Wolfgang"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "2219"]
[BlackElo "2141"]
[PlyCount "98"]
[EventDate "2017.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Dettingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nc6 7. Rb1 e5 8. b4 Be6 9. d3 h6 10. b5 Ne7 11. Nd2 Qc8 12. Re1 Bh3 13. Bh1 Ng4 14. Qb3 Qf5 15. Nde4 Qh5 16. f3 Nf6 17. Nxf6+ Bxf6 18. Ne4 Bg7 19. g4 Qh4 20. Be3 Nf5 21. Bf2 Qe7 22. c5 Nd4 23. cxd6 cxd6 24. Bxd4 exd4 25. Qd5 Be5 26. e3 dxe3 27. Rxe3 h5 28. f4 Bxf4 29. Rxh3 hxg4 30. Rf1 gxh3 31. Rxf4 Rac8 32. Kf2 Qe5 33. Kg3 Kg7 34. Qxd6 Qa1 35. Kxh3 Rcd8 36. Qa3 Qe5 37. Kg3 f6 38. Qc3 Qxc3 39. Nxc3 Rxd3+ 40. Rf3 Rfd8 41. Bg2 b6 42. Bf1 Rxf3+ 43. Kxf3 f5 44. Ke3 Kf6 45. Bg2 Ke5 46. Ne2 g5 47. Nc3 f4+ 48. Ke2 g4 49. Bf1 Rh8 0-1

[Event "Hessenliga 1617"]
[Site "Hessen"]
[Date "2017.04.23"]
[Round "9.6"]
[White "Burkhardt, Holger"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "2144"]
[BlackElo "2219"]
[PlyCount "122"]
[EventDate "2016.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Giessen"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 g6 2. Nf3 Bg7 3. c3 c5 4. e4 b6 5. dxc5 bxc5 6. Bc4 e6 7. 0-0 Nc6 8. Bf4 Qb6 9. Na3 Nge7 10. Qe2 0-0 11. Rfd1 d5 12. exd5 exd5 13. Bxd5 Nxd5 14. Rxd5 Ba6 15. Qc2 Rac8 16. Qb3 Rfd8 17. Rad1 Be2 18. Qxb6 axb6 19. Rxd8+ Nxd8 20. Re1 Ne6 21. Rxe2 Nxf4 22. Rd2 Ra8 23. g3 Ne6 24. Nc4 Rxa2 25. Nxb6 g5 26. h3 h5 27. Nd5 Ra1+ 28. Kg2 Rb1 29. g4 hxg4 30. hxg4 Kh7 31. Ng1 Be5 32. Ne2 Nf8 33. Kf3 Kg7 34. Ke4 Bb8 35. Ne3 Ne6 36. Nc4 Rf1 37. Ng3 Bxg3 38. fxg3 Rb1 39. Rf2 Rg1 40. Rf3 Rb1 41. Kd5 Rd1+ 42. Kc6 Ra1 43. Nd6 Ra7 44. Rf5 Re7 45. Rf1 Rc7+ 46. Kb6 Rd7 47. Nf5+ Kg6 48. Rh1 Kf6 49. b4 Rd3 50. bxc5 Rxc3 51. c6 Rb3+ 52. Ka7 Ke5 53. Rc1 Rb4 54. c7 Nxc7 55. Rxc7 Rxg4 56. Rxf7 Rb4 57. Ka6 Rb8 58. Ne7 Ke6 59. Rg7 Rb3 60. g4 Rb4 61. Rxg5 Kxe7 1/2-1/2

[Event "Hessenliga 1617"]
[Site "Hessen"]
[Date "2017.03.26"]
[Round "8.5"]
[White "Rosenberger, Frank"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2089"]
[BlackElo "2219"]
[PlyCount "6"]
[EventDate "2016.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Gernsheim"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. c3 c5 1/2-1/2

[Event "Hessenliga 1617"]
[Site "Hessen"]
[Date "2017.03.05"]
[Round "7.6"]
[White "Roosen, Holger"]
[Black "Hahn, Werner"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "2219"]
[BlackElo "2165"]
[PlyCount "39"]
[EventDate "2016.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Griesheim II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 0-0 5. 0-0 d6 6. Nc3 e5 7. d3 Nc6 8. Rb1 a5 9. a3 h6 10. b4 axb4 11. axb4 Be6 12. b5 Ne7 13. Bb2 Qd7 14. Re1 Bh3 15. Bh1 Nh5 16. Nd2 c6 17. Ra1 f5 18. Qb3 Kh7 19. Rxa8 Rxa8 20. Ra1 1/2-1/2

[Event "Hessenliga 1617"]
[Site "Hessen"]
[Date "2017.02.05"]
[Round "6.3"]
[White "Roosen, Holger"]
[Black "Schupp, Tobias"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "2219"]
[BlackElo "2137"]
[PlyCount "60"]
[EventDate "2016.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Niederbrechen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. e3 Be7 5. b3 c5 6. Bb2 Nc6 7. d4 cxd4 8. Nxd4 Qa5 9. cxd5 Nxd5 10. Nxc6 bxc6 11. Qc2 Bb4 12. Rc1 Qxa2 13. Bc4 Bxc3+ 14. Bxc3 Qxc2 15. Rxc2 Nxc3 16. Rxc3 Ke7 17. Ke2 Rd8 18. Bd3 Bb7 19. Be4 Rd6 20. Rhc1 Kd7 21. f4 Ba6+ 22. Ke1 Bb5 23. Rc5 Rb8 24. g4 Rb6 25. h4 h6 26. g5 hxg5 27. Rxg5 g6 28. h5 gxh5 29. Rxh5 Bd3 30. Bf3 Rxb3 0-1

[Event "Hessenliga 1617"]
[Site "Hessen"]
[Date "2017.01.15"]
[Round "5.6"]
[White "Roosen, Holger"]
[Black "Rolf, Marco"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2219"]
[BlackElo "2058"]
[PlyCount "27"]
[EventDate "2016.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Bad Homburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. Bg2 Nf6 5. d3 Bb4 6. Nf3 Bxc3+ 7. bxc3 0-0 8. 0-0 d6 9. Rb1 Qe8 10. Bg5 Qh5 11. c5 f4 12. cxd6 cxd6 13. Rxb7 Bxb7 14. Qb3+ 0-1

[Event "Hessenliga 1617"]
[Site "Hessen"]
[Date "2016.11.06"]
[Round "3.4"]
[White "Roosen, Holger"]
[Black "Emmerich, Dirk"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2219"]
[BlackElo "2167"]
[PlyCount "26"]
[EventDate "2016.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Dotzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nf3 d6 3. g3 g6 4. Bg2 Bg7 5. 0-0 Ne7 6. Nc3 0-0 7. b4 Nd7 8. Rb1 f5 9. Qb3 Nf6 10. c5+ Kh8 11. cxd6 cxd6 12. b5 e4 13. Nd4 d5 1/2-1/2

[Event "Hessenliga 1617"]
[Site "Hessen"]
[Date "2016.10.09"]
[Round "2.4"]
[White "Dahlheimer, Bernd"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2224"]
[BlackElo "2219"]
[PlyCount "28"]
[EventDate "2016.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Dettingen"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 g6 2. d4 Bg7 3. c4 Nf6 4. Nc3 0-0 5. e4 c5 6. Be2 cxd4 7. Nxd4 Nc6 8. Be3 d6 9. 0-0 Ng4 10. Bxg4 Bxg4 11. Nxc6 Bxd1 12. Nxd8 Bg4 13. Nxb7 Rfb8 14. Na5 Rxb2 1-0

[Event "Hessenliga 1617"]
[Site "Hessen"]
[Date "2016.09.18"]
[Round "1.5"]
[White "Roosen, Holger"]
[Black "Rothenbacher, Jochen"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2219"]
[BlackElo "2138"]
[PlyCount "48"]
[EventDate "2016.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Bad Nauheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. g3 d6 3. Bg2 f5 4. e3 Nf6 5. Nc3 Be7 6. Nge2 0-0 7. 0-0 Kh8 8. b4 Qe8 9. Rb1 Qh5 10. d3 Nbd7 11. d4 Ng4 12. h3 Nh6 13. Nd5 Bd8 14. dxe5 dxe5 15. b5 Nb6 16. Ba3 Re8 17. Rc1 f4 18. gxf4 Nxd5 19. cxd5 Bxh3 20. fxe5 Bg4 21. Rc2 Qxe5 22. Qd4 Bf5 23. Qxe5 Rxe5 24. Rc4 Bd3 0-1

[Event "Hessenliga 1516"]
[Site "Germany"]
[Date "2016.03.06"]
[Round "8.3"]
[White "Mazurek, Robert"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2172"]
[BlackElo "2219"]
[PlyCount "59"]
[EventDate "2015.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Gernsheim"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 g6 2. e4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Be2 0-0 8. Qd2 d5 9. exd5 Nxd5 10. Nxd5 Nxd4 11. Bc4 Nf5 12. 0-0-0 Nxe3 13. Qxe3 e6 14. Nc3 Qh4 15. Qe2 Bxc3 16. bxc3 Qg5+ 17. Kb2 Qxg2 18. Rdg1 Qc6 19. h4 b5 20. Bb3 Bb7 21. h5 Rac8 22. Rh3 Qe4 23. Qxb5 Bd5 24. hxg6 hxg6 25. Qd7 Rfd8 26. Qxa7 Bxb3 27. axb3 Rd2 28. Rc1 Qf5 29. Qe3 Rxf2 30. Qh6 1-0

[Event "Hessenliga 1516"]
[Site "Germany"]
[Date "2016.02.01"]
[Round "6.3"]
[White "Roosen, Holger"]
[Black "Rutkowski, Ingo"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2219"]
[BlackElo "2168"]
[PlyCount "118"]
[EventDate "2015.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Frankfurt TV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Na3 c5 5. d3 Nc6 6. g3 Be7 7. Bg2 0-0 8. 0-0 Re8 9. Nc2 b6 10. Bb2 Bb7 11. Ne5 Qc7 12. Nxc6 Bxc6 13. Bc3 Rad8 14. Rc1 e5 15. cxd5 Bxd5 16. Bxd5 Nxd5 17. Bd2 e4 18. d4 Qb7 19. e3 cxd4 20. Nxd4 Bf6 21. Qe2 Qd7 22. Rfd1 Bxd4 23. exd4 Qh3 24. Rc6 Nf6 25. Rxf6 gxf6 26. Bf4 Rd5 27. f3 Qd7 28. fxe4 Rxd4 29. Re1 Rdxe4 30. Qxe4 Rxe4 31. Rxe4 Qd1+ 32. Kf2 Qh1 33. Re2 Qxh2+ 34. Kf3 Qh5+ 35. Kf2 Kg7 36. Rd2 Kg6 37. Kg2 Qg4 38. Kf2 h5 39. Rd4 Qe6 40. Be3 Qh3 41. Bd2 Qh1 42. a4 Qb1 43. Rb4 Qf5+ 44. Ke2 Qe5+ 45. Kf2 Qc5+ 46. Kf1 Qd6 47. Be1 f5 48. Ke2 Qe7+ 49. Kf1 Qe3 50. Bf2 Qd2 51. Be1 Qd3+ 52. Kf2 f4 53. Rxf4 Qxb3 54. Ke2 a5 55. Rd4 b5 56. axb5 Qxb5+ 57. Ke3 a4 58. Bc3 a3 59. Rd1 Qg5+ 0-1

[Event "Hessenliga 1516"]
[Site "Germany"]
[Date "2015.12.06"]
[Round "4.3"]
[White "Roosen, Holger"]
[Black "Dios, Erwin Michael"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2219"]
[BlackElo "2086"]
[PlyCount "38"]
[EventDate "2015.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Giessen II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. Nf3 Nc6 5. 0-0 e6 6. Nc3 Nge7 7. d3 0-0 8. Ne4 d6 9. Bg5 f6 10. Bf4 e5 11. Bd2 h6 12. Rb1 f5 13. Nc3 Kh7 14. a3 b6 15. b4 Rb8 16. b5 Nd4 17. Nxd4 exd4 18. Nd5 Nxd5 19. Bxd5 Bb7 1/2-1/2

[Event "Hessenliga 1516"]
[Site "Germany"]
[Date "2015.11.22"]
[Round "3.4"]
[White "Roosen, Holger"]
[Black "Krahe, Frank"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "2219"]
[BlackElo "2144"]
[PlyCount "30"]
[EventDate "2015.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Dotzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 0-0 5. Nf3 Re8 6. 0-0 c6 7. Qb3 Bc5 8. d3 h6 9. Nd2 d6 10. Na4 Na6 11. Nxc5 Nxc5 12. Qc2 Bg4 13. b4 Ne6 14. e3 d5 15. Bb2 d4 1/2-1/2

[Event "Hessenliga 1516"]
[Site "Germany"]
[Date "2015.11.08"]
[Round "2.3"]
[White "Roosen, Holger"]
[Black "Bahlke, Wolfgang"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2219"]
[BlackElo "2183"]
[PlyCount "116"]
[EventDate "2015.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Dettingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. g3 d5 3. cxd5 Nxd5 4. Bg2 e5 5. Nc3 Be6 6. Nf3 Nc6 7. 0-0 Nb6 8. d4 exd4 9. Nb5 d3 10. Bf4 Nd5 11. Bg5 Be7 12. Qxd3 a6 13. Bxe7 Qxe7 14. Nbd4 Nxd4 15. Nxd4 c6 16. Nxe6 fxe6 17. e4 Nf6 18. Bh3 0-0 19. Qc4 Rae8 20. Rad1 Kh8 21. Rd3 e5 22. Rfd1 Qf7 23. Qxf7 Rxf7 24. f3 Rfe7 25. Kf2 g6 26. Ke3 Kg7 27. Kd2 h5 28. Rd6 h4 29. Rg1 Rh8 30. Ke3 hxg3 31. Rxg3 Rh6 32. Rd2 Nh5 33. Rg1 Nf4 34. Bg4 Kf7 35. b4 Rh8 36. a4 a5 37. Rb1 axb4 38. Rxb4 Ra8 39. Kf2 Ra5 40. Kg3 b5 41. axb5 Rxb5 42. Rc4 c5 43. Bd7 Ra5 44. Rc1 Kg7 45. Kg4 Kh6 46. Kg3 Rxd7 47. Rxd7 Ne2+ 48. Kg4 Nxc1 49. Rd5 Nb3 50. Rxe5 Ra6 51. Re8 Rc6 52. e5 Nd4 53. Rd8 Ne6 54. Rd3 c4 55. Rc3 Nc7 56. f4 Nd5 57. Rc1 c3 58. Kf3 c2 0-1

[Event "Hessenliga 1516"]
[Site "Germany"]
[Date "2015.09.27"]
[Round "1.4"]
[White "Reh, Stefan"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2019"]
[BlackElo "2219"]
[PlyCount "117"]
[EventDate "2015.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Gelnhausen"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 c6 5. Nf3 Bg4 6. Be2 Nf6 7. 0-0 Nbd7 8. Re1 e6 9. Bg5 Be7 10. Ne5 Bxe2 11. Qxe2 0-0 12. Rad1 Rad8 13. Rd3 Qb4 14. a3 Qb6 15. Red1 Rfe8 16. b4 Nxe5 17. dxe5 Rxd3 18. Rxd3 Nd5 19. Be3 Nxc3 20. Rxc3 Qc7 21. f4 Rd8 22. Rd3 Rxd3 23. Qxd3 a6 24. Kf2 f6 25. Bd4 Qd7 26. Qc4 Kf7 27. Qc3 Qd5 28. Qd3 c5 29. bxc5 fxe5 30. fxe5 Bxc5 31. Bxc5 Qxc5+ 32. Kf1 Qxe5 33. Qd7+ Kf6 34. Qxb7 Qa1+ 35. Ke2 Qxa3 36. Qe4 h6 37. Qf4+ Kg6 38. Qe4+ Kf7 39. Qf4+ Kg8 40. Qb8+ Kh7 41. Qe5 Qa2 42. Qe4+ Kg8 43. Qa8+ Kf7 44. Qb7+ Kf6 45. Qf3+ Ke5 46. Qe3+ Kd5 47. Qd3+ Kc5 48. Qe3+ Kb4 49. Qd2+ Kc4 50. Qd3+ Kc5 51. Qe3+ Kb5 52. Qe5+ Kb4 53. Qd6+ Kb5 54. Qd7+ Kc5 55. Qc7+ Kd4 56. Qd7+ Ke4 57. Qd3+ Ke5 58. Qe3+ Kd6 59. Qb6+ 1/2-1/2

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2014.04.06"]
[Round "11.5"]
[White "Sehrt, Juergen"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2260"]
[BlackElo "2229"]
[PlyCount "117"]
[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 "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 Nf6 6. Nc3 0-0 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 d6 10. Qd3 Bf5 11. e4 Be6 12. Bd2 Nd7 13. b3 Ne5 14. Qe2 Nc6 15. Rac1 Qd7 16. Nd5 Rac8 17. Nf4 a6 18. Be3 Ne5 19. Rfd1 Rc6 20. h3 Rfc8 21. Kh2 h6 22. Nd5 Qe8 23. Nb6 Rd8 24. f4 Nd7 25. Nd5 Bxd5 26. exd5 Rc7 27. Re1 b6 28. Qd2 Rb8 29. Bf2 Bf6 30. Bf3 Qf8 31. Bg4 h5 32. Bxd7 Rxd7 33. a4 Qc8 34. Re4 Qb7 35. Bd4 Kg7 36. f5 Kh7 37. fxg6+ fxg6 38. Rf1 Rf8 39. Re6 Rdd8 40. Bxf6 Rxf6 41. Rfxf6 exf6 42. Qe3 Rd7 43. Qf4 f5 44. Rxd6 Rxd6 45. Qxd6 Qg7 46. Qxb6 Qb2+ 47. Kg1 Qb1+ 48. Kf2 Qc2+ 49. Kf3 Qe4+ 50. Kf2 Qc2+ 51. Ke3 Qc1+ 52. Kd3 Qd1+ 53. Kc3 Qe1+ 54. Kb2 Qd2+ 55. Ka3 Qc1+ 56. Kb4 Qe1+ 57. Kc5 Qxg3 58. d6 Qe5+ 59. Kc6 1-0

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2014.04.05"]
[Round "10.5"]
[White "Roosen, Holger"]
[Black "Koller, Jens"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2229"]
[BlackElo "2253"]
[PlyCount "103"]
[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 "Offenbach"]
[BlackTeam "Oberursel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nc3 e6 3. e4 d6 4. d4 Nbd7 5. Nf3 c5 6. Be2 cxd4 7. Qxd4 a6 8. 0-0 Qc7 9. Bg5 Be7 10. Rac1 b6 11. Rfd1 Bb7 12. b4 Rd8 13. Bh4 Ne5 14. Bg3 Nc6 15. Qd2 Nxb4 16. Nd5 exd5 17. cxd5 Nxe4 18. Rxc7 Nxd2 19. Rxd2 Ba8 20. Bc4 b5 21. Bb3 a5 22. Re2 Rd7 23. Rc8+ Rd8 24. Rxa8 Rxa8 25. Bxd6 Ra7 26. Bxb4 axb4 27. d6 0-0 28. dxe7 Re8 29. Ng5 Rexe7 30. Rxe7 Rxe7 31. Kf1 h6 32. Nxf7 Kf8 33. f4 Re4 34. g3 Ke7 35. Kf2 Kf6 36. Ne5 Rd4 37. Ke3 Rd6 38. Nd3 Kf5 39. h3 Rc6 40. g4+ Kf6 41. Nxb4 Rc1 42. Nd5+ Ke6 43. Nc3+ Kd7 44. Nd1 Kd6 45. Kd4 Kc6 46. h4 Kd6 47. f5 Ke7 48. g5 hxg5 49. hxg5 Rc8 50. Ke5 Rc5+ 51. Bd5 Rc1 52. Nf2 1-0

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2014.01.19"]
[Round "7.3"]
[White "Klundt, Klaus"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2350"]
[BlackElo "2229"]
[PlyCount "55"]
[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 "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 b6 2. Nf3 Bb7 3. Nc3 e6 4. d4 Bb4 5. Bd3 c5 6. 0-0 Nf6 7. e5 cxd4 8. Nxd4 Nd5 9. Qg4 Bf8 10. Nxd5 Bxd5 11. Bg5 h5 12. Qf4 Qc7 13. Rfe1 a6 14. Be4 Bxe4 15. Rxe4 Nc6 16. Rd1 Be7 17. Nxc6 dxc6 18. Red4 0-0 19. Qh4 f6 20. exf6 Bxf6 21. Bxf6 Rxf6 22. Qe4 Raf8 23. f3 Qf7 24. Rd6 e5 25. b3 h4 26. h3 Qh5 27. Qxc6 Qg6 28. Qc4+ 1-0

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2014.01.18"]
[Round "6.4"]
[White "De Visser, Leon"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2178"]
[BlackElo "2229"]
[PlyCount "123"]
[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 "Frankfurt BvK"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. g3 Nc6 3. Nc3 Nf6 4. Bg2 Bb4 5. Nd5 Nxd5 6. cxd5 Ne7 7. Nf3 Ng6 8. h4 Qf6 9. 0-0 0-0 10. d4 exd4 11. Bg5 Qb6 12. h5 h6 13. hxg6 hxg5 14. gxf7+ Rxf7 15. Nxg5 Rf5 16. Ne4 Be7 17. Rc1 c5 18. d6 Bxd6 19. e3 Be7 20. exd4 cxd4 21. Qg4 Qe6 22. Rfe1 Re5 23. Qxe6+ dxe6 24. Red1 Rb5 25. Rxd4 Rxb2 26. Rc7 e5 27. Rd5 Be6 28. Rxe5 Bd8 29. Rc1 Bxa2 30. Re8+ Kh7 31. Rd1 Rb1 32. Rxb1 Bxb1 33. Ng5+ Kg6 34. Ne6 a5 35. Bxb7 Ra7 36. Nxd8 a4 37. Be4+ Bxe4 38. Rxe4 a3 39. Re1 Ra6 40. Ra1 a2 41. Kg2 Kf6 42. Nb7 Ke5 43. Nc5 Ra3 44. f4+ Kd5 45. Nd7 Kc4 46. Nf8 Kb3 47. Ne6 Ra7 48. Kf3 Kb2 49. Rxa2+ Kxa2 50. Ke4 Kb3 51. f5 Kc4 52. g4 Re7 53. Ke5 Rf7 54. g5 Kb5 55. g6 Re7 56. Kd6 Ra7 57. Nxg7 Rxg7 58. Ke6 Kc5 59. Kf6 Rg8 60. g7 Kd5 61. Kg6 Ra8 62. f6 1-0

[Event "Oberliga Ost-B 1314"]
[Site "Germany"]
[Date "2013.12.15"]
[Round "5.3"]
[White "Roosen, Holger"]
[Black "Malich, Burkhard"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2229"]
[BlackElo "2347"]
[PlyCount "60"]
[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 "Offenbach"]
[BlackTeam "Halle"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 e6 5. Bd3 Nbd7 6. Qe2 Nc5 7. Bc2 dxc4 8. Qxc4 b5 9. Qd4 Qc7 10. 0-0 Ba6 11. b4 Ncd7 12. a3 Rd8 13. Ne4 Be7 14. Bb2 c5 15. Qc3 Rc8 16. Rfc1 Bb7 17. Nxc5 Nxc5 18. bxc5 Bxc5 19. d4 Bd6 20. Bd3 Qxc3 21. Bxc3 a6 22. Nd2 Nd5 23. Bb2 0-0 24. Ne4 Be7 25. Nc5 Bxc5 26. Rxc5 Nb6 27. Rac1 Bd5 28. Rxc8 Rxc8 29. Rxc8+ Nxc8 30. Bc3 Nb6 1/2-1/2

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2013.04.14"]
[Round "11.2"]
[White "Dubiel, Jacek"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2413"]
[BlackElo "2222"]
[PlyCount "37"]
[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 "Oberursel"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 c6 5. Nf3 Bg4 6. Be3 Nf6 7. h3 Bxf3 8. Qxf3 Nd5 9. Nxd5 Qxd5 10. Qg3 e6 11. Bd3 Qd6 12. Bf4 Qd8 13. Bc7 Qc8 14. 0-0 Nd7 15. c4 Nb6 16. d5 Qd7 17. dxe6 fxe6 18. Bxh7 Rxh7 19. Bxb6 1-0

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2013.04.13"]
[Round "10.2"]
[White "Roosen, Holger"]
[Black "Legde, Georg"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2222"]
[BlackElo "2335"]
[PlyCount "13"]
[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 "Giessen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nc3 c6 3. Nf3 d5 4. e3 Bg4 5. Qb3 Qb6 6. Qxb6 axb6 7. cxd5 1/2-1/2

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2013.01.13"]
[Round "5.3"]
[White "Dreyer, Michael"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2235"]
[BlackElo "2222"]
[PlyCount "25"]
[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 Schott"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 c6 5. Nf3 Bg4 6. Be2 e6 7. 0-0 Nd7 8. Ne4 Qc7 9. h3 Bxf3 10. Bxf3 Ngf6 11. Qe2 Nxe4 12. Bxe4 Nf6 13. Bf3 1/2-1/2

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2012.12.09"]
[Round "4.4"]
[White "Roosen, Holger"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "2222"]
[BlackElo "2263"]
[PlyCount "123"]
[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 "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Rb1 a5 7. a3 Be6 8. Nf3 h6 9. 0-0 Nf6 10. b4 axb4 11. axb4 0-0 12. b5 Ne7 13. Nd2 Rb8 14. Ba3 Qd7 15. c5 Ned5 16. Nxd5 Nxd5 17. Bxd5 Bxd5 18. cxd6 cxd6 19. Nc4 Bxc4 20. dxc4 Rfd8 21. Qd5 Qe6 22. Rfd1 Qxd5 23. Rxd5 Rbc8 24. Rbd1 Rxc4 25. Bxd6 Rd4 26. R5xd4 exd4 27. Bc7 Rc8 28. b6 Kf8 29. Ra1 d3 30. Ra2 dxe2 31. Rxe2 Bf6 32. Bd6+ Kg7 33. Kg2 Rc6 34. Bc7 Bd4 35. Rd2 Bxb6 36. Be5+ f6 37. Rd7+ Kf8 38. Bb8 Rc2 39. Rxb7 Bxf2 40. Kh1 Bd4 41. Bd6+ Kg8 42. Rd7 g5 43. h3 h5 44. Bb8 Bf2 45. Rb7 Rc6 46. Kg2 Rb6 47. Rxb6 Bxb6 48. g4 h4 49. Kf3 Kf7 50. Ke4 Ke6 51. Bh2 Bc5 52. Bc7 Bb4 53. Bb6 Bd6 54. Bd4 Bf4 55. Kf3 Be5 56. Ba7 Kd5 57. Bb6 Bd6 58. Bd8 Ke5 59. Kg2 Bc5 60. Ba5 Ke4 61. Bd8 Bd4 62. Bc7 1/2-1/2

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2012.11.11"]
[Round "3.3"]
[White "Roosen, Holger"]
[Black "Seifert, Christopher"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2222"]
[BlackElo "2254"]
[PlyCount "102"]
[EventDate "2012.09.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. b3 Nc6 3. Bb2 d6 4. g3 e5 5. Nc3 g6 6. Bg2 Bg7 7. Nd5 f5 8. e3 Nf6 9. d3 0-0 10. Nxf6+ Qxf6 11. Ne2 g5 12. 0-0 Bd7 13. Rb1 Rae8 14. Qd2 f4 15. gxf4 gxf4 16. Bd5+ Kh8 17. Nxf4 Qh6 18. Ne2 Nd4 19. Nxd4 exd4 20. Kh1 Be5 21. f4 Bh3 22. exd4 Bxd4 23. Bxd4+ cxd4 24. Rf3 Bg4 25. Rg3 Re2 26. Qxe2 Bxe2 27. Rbg1 Bf3+ 28. Rxf3 Qf6 29. Rfg3 h6 30. Rg7 Qxg7 31. Rxg7 Kxg7 32. Bxb7 Rxf4 33. Kg2 Kf6 34. b4 Ke5 35. a4 Rg4+ 36. Kf3 Rf4+ 37. Kg3 Rf1 38. a5 Ra1 39. a6 Ra3 40. b5 Rxd3+ 41. Kf2 Ra3 42. Ke2 Ke6 43. Bc8+ Ke7 44. Bf5 Kd8 45. h4 Kc7 46. Kd2 Kb6 47. h5 Kc5 48. Bd3 Ra2+ 49. Kd1 Rh2 50. Be2 d3 51. Bf3 Rb2 0-1

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2012.11.10"]
[Round "2.4"]
[White "Roosen, Holger"]
[Black "Guenther, Peter"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2222"]
[BlackElo "2205"]
[PlyCount "83"]
[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 "Frankfurt BvK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 g6 2. g3 Bg7 3. Bg2 Nc6 4. Nf3 e5 5. 0-0 d6 6. Nc3 Be6 7. d3 h6 8. Rb1 Qd7 9. Re1 Nge7 10. b4 0-0 11. b5 Nd8 12. Bb2 f5 13. e3 g5 14. Ne2 Ng6 15. Nd2 f4 16. exf4 gxf4 17. d4 Nf7 18. gxf4 exf4 19. Qb3 Rab8 20. d5 Bf5 21. Bxg7 Kxg7 22. Nd4 Nge5 23. Be4 Bxe4 24. Ne6+ Kh8 25. Nxe4 f3 26. Kh1 Qe7 27. Qc3 Rg8 28. Ng3 Rg4 29. c5 Qh4 30. Re3 Rc4 31. Qb2 Qh3 32. Rxf3 Rh4 33. Kg1 Rb4 34. Rb3 Rxb3 35. axb3 Ng5 36. f4 Ngf3+ 37. Kh1 Rg8 38. fxe5 Rxg3 39. exd6+ Kh7 40. Qc2+ Kh8 41. dxc7 Rg8 42. c8Q 1-0

[Event "Oberliga Ost-B 1213"]
[Site "Germany"]
[Date "2012.09.30"]
[Round "1.4"]
[White "Klings, Peter"]
[Black "Roosen, Holger"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "2178"]
[BlackElo "2222"]
[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 "Moerlenbach"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nf3 c5 4. dxc5 Qa5+ 5. c3 Qxc5 6. Na3 Bxc3+ 7. bxc3 Qxc3+ 8. Bd2 Qxa3 9. Bc4 Nc6 10. 0-0 e5 11. Rb1 f6 12. Re1 Qf8 13. Re3 Nh6 14. Bc1 Nf7 15. Ba3 d6 16. Qd5 Qe7 17. Rc3 Ncd8 18. Rd1 Be6 19. Bb5+ Kf8 20. Qd2 Kg7 21. Qc2 Nc6 22. Bxc6 bxc6 23. Rxc6 Rhc8 24. h3 Rxc6 25. Qxc6 Rc8 26. Qa6 Qd7 27. Bb4 Rc6 28. Qe2 Rc4 29. a3 Qc7 30. Qd3 Rc1 31. Rxc1 Qxc1+ 32. Kh2 Qf4+ 33. Kg1 f5 34. Nd2 fxe4 35. Nxe4 Bf5 36. f3 Qc1+ 37. Kh2 Bxe4 38. fxe4 Qf4+ 39. Kg1 Qc1+ 40. Kh2 Qc6 41. Bd2 Qa4 42. Be3 a6 43. Kg3 Qb5 44. Qc2 Qf1 45. Kh2 g5 46. Qd2 Kf6 47. Qc2 h5 48. Qd2 Kg6 49. Qc2 Qa1 50. a4 Qa3 51. Bf2 Qb4 52. Be3 Kg7 53. Bf2 g4 54. h4 Qb7 55. Qc4 Kf6 56. Be3 Qb1 57. Bf2 a5 58. Kg3 Qb4 59. Qc6 Qd2 0-1

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2012.04.15"]
[Round "11.3"]
[White "Hellwig, Tobias"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2168"]
[BlackElo "2220"]
[PlyCount "51"]
[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 "Jena Schott"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 g6 2. e4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. f3 0-0 6. Qd2 Nc6 7. 0-0-0 e5 8. d5 Nd4 9. Nge2 c5 10. dxc6 bxc6 11. Nxd4 exd4 12. Bxd4 Be6 13. g4 c5 14. Be3 Qa5 15. Bh6 Bxh6 16. Qxh6 Bxa2 17. Rxd6 Rfd8 18. Ra6 Qb4 19. Rxa2 Rab8 20. Be2 Rd4 21. h4 Qb7 22. h5 Rb4 23. hxg6 Rxb2 24. gxh7+ Nxh7 25. Qxh7+ Kf8 26. Qh8+ 1-0

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2012.04.14"]
[Round "10.3"]
[White "Roosen, Holger"]
[Black "Frommelt, Hans Juergen"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2220"]
[BlackElo "2226"]
[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 "Offenbach"]
[BlackTeam "Elstertal"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. Nc3 e6 3. e4 Nc6 4. Nf3 e5 5. Be2 d6 6. 0-0 Nf6 7. a3 Be7 8. b4 b6 9. Nd5 0-0 10. d3 h6 11. Be3 Nd4 12. Bxd4 cxd4 13. Nxf6+ Bxf6 14. b5 Be6 15. Ne1 Be7 16. Nc2 f5 17. exf5 Bxf5 18. Bf3 Rc8 19. Nb4 Bg5 20. Qe2 Kh8 21. Bg4 Qd7 22. Bxf5 Qxf5 23. a4 Rf7 24. Nd5 Rcf8 25. a5 bxa5 26. Rxa5 Qg6 27. Ra6 Bh4 28. f3 Bd8 29. c5 Rd7 30. Rfa1 Qf7 31. c6 Qxd5 32. cxd7 Qxb5 33. Rxa7 Rf7 34. Qe4 Rxd7 35. Qa8 Kh7 36. Rxd7 Qxd7 37. Ra7 Qb5 38. Qe4+ Kg8 39. Ra8 Qb1+ 40. Kf2 Qb6 41. Qh4 g5 42. Qxh6 Kf7 43. Ra7+ 1-0

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2012.03.18"]
[Round "9.4"]
[White "Roosen, Holger"]
[Black "De Visser, Leon"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2220"]
[BlackElo "2164"]
[PlyCount "81"]
[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 "Offenbach"]
[BlackTeam "Steinbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. 0-0 Nge7 7. Rb1 d6 8. a3 a5 9. d3 0-0 10. Ne1 Rb8 11. Nc2 Nd4 12. b4 Nxc2 13. Qxc2 cxb4 14. axb4 Be6 15. bxa5 d5 16. cxd5 Nxd5 17. Nxd5 Bxd5 18. Bxd5 Qxd5 19. Bd2 Rfd8 20. Qb3 Qd6 21. Be3 Ra8 22. Rfc1 h5 23. Qxb7 Rdb8 24. Qc6 Bf8 25. Qxd6 Bxd6 26. Rxb8+ Rxb8 27. a6 Ra8 28. Rc6 Bb4 29. a7 Ba5 30. Rc5 Bb6 31. Rb5 Bc7 32. Rb7 Bd6 33. Bc5 Bxc5 34. Rb8+ Kg7 35. Rxa8 Kf6 36. h4 Bb6 37. Kg2 Bc5 38. e4 Bd4 39. f3 Be3 40. g4 Bd4 41. g5+ 1-0

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2012.02.26"]
[Round "8.3"]
[White "Roosen, Holger"]
[Black "Baum, Bernd"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2220"]
[BlackElo "2282"]
[PlyCount "91"]
[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 "Offenbach"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. 0-0 Nge7 7. d3 d6 8. Rb1 0-0 9. a3 Rb8 10. b4 b6 11. Bd2 h6 12. Qa4 Qd7 13. b5 Nd8 14. Ne1 f5 15. Nd5 Ne6 16. Qd1 Bb7 17. a4 g5 18. e3 Nxd5 19. cxd5 Nc7 20. e4 Qf7 21. Nc2 Bc8 22. Ne3 f4 23. Nc4 f3 24. Bh1 Ne8 25. Re1 g4 26. Qc1 Qg6 27. Qd1 Rf7 28. Be3 Bf8 29. Qd2 Nf6 30. Rb2 Nh7 31. Ra1 Qh5 32. Qd1 Ng5 33. Bxg5 hxg5 34. Ne3 Be7 35. Nf1 Bd8 36. Qd2 Rbb7 37. Qe3 Rf6 38. Re1 Rh6 39. Ra1 Rbh7 40. Rbb1 Qf7 41. Rc1 Rh3 42. Nd2 Rxh2 43. Bxf3 gxf3 44. Nxf3 R2h5 45. Kg2 Bh3+ 46. Kg1 0-1

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2012.01.15"]
[Round "7.4"]
[White "Roosen, Holger"]
[Black "Schaefer, Michael"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2220"]
[BlackElo "2244"]
[PlyCount "66"]
[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 "Offenbach"]
[BlackTeam "Moerlenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nc3 g6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Bg7 7. 0-0 Nc6 8. d3 0-0 9. Be3 e5 10. Qd2 Nd4 11. Bh6 Re8 12. Bxg7 Kxg7 13. Ne4 c6 14. e3 Nxf3+ 15. Bxf3 Qe7 16. b4 Nd5 17. Rab1 a5 18. b5 Bd7 19. bxc6 Bxc6 20. Rfc1 Red8 21. Nc5 h5 22. d4 Qf6 23. Bg2 exd4 24. exd4 Nb4 25. a3 Rxd4 26. Qb2 Bxg2 27. Kxg2 Nd3 28. Nxd3 Rxd3 29. Qxb7 Rd2 30. Qb6 Ra6 31. Qe3 Rad6 32. Rb3 Ra2 33. Rc4 Rd5 1/2-1/2

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2012.01.14"]
[Round "6.3"]
[White "Roosen, Holger"]
[Black "Seifert, Christopher"]
[Result "1/2-1/2"]
[ECO "A35"]
[WhiteElo "2220"]
[BlackElo "2193"]
[PlyCount "72"]
[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 "Offenbach"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 e5 4. d3 g6 5. Be3 Nf6 6. Ne4 Ng4 7. Bg5 f6 8. h3 fxg5 9. hxg4 d6 10. Nfxg5 h6 11. e3 Be7 12. Nh3 Be6 13. Be2 Qd7 14. Nc3 0-0-0 15. Bf3 Rdf8 16. Qe2 Rf7 17. 0-0-0 Rhf8 18. Bxc6 Qxc6 19. f3 h5 20. gxh5 gxh5 21. Nf2 h4 22. Nfe4 Rg7 23. Rdg1 Rfg8 24. Qf2 d5 25. cxd5 Bxd5 26. Kb1 Be6 27. g4 hxg3 28. Rxg3 Qa6 29. Kc2 Rxg3 30. Nxg3 Rd8 31. Rd1 Bxa2 32. f4 c4 33. dxc4 Rxd1 34. Kxd1 Bb3+ 35. Kc1 exf4 36. Qxf4 Qxc4 1/2-1/2

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2011.12.11"]
[Round "5.3"]
[White "Kirschbaum, Gunnar"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "E78"]
[WhiteElo "2212"]
[BlackElo "2220"]
[PlyCount "84"]
[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 Medizin"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Nf6 5. e4 d6 6. f4 0-0 7. Nf3 Bg4 8. Be2 Nbd7 9. 0-0 a6 10. a4 Rb8 11. h3 Bxf3 12. Bxf3 Ne8 13. Qe2 Nc7 14. Bd2 e6 15. Kh1 exd5 16. exd5 Re8 17. Qd3 f5 18. Rae1 Qh4 19. Kh2 Rxe1 20. Rxe1 Re8 21. Rxe8+ Nxe8 22. Qe2 Kf8 23. a5 Bd4 24. g3 Qe7 25. Qd3 h5 26. Kg2 Ndf6 27. b4 Ng4 28. Nd1 Nef6 29. Qe2 Qxe2+ 30. Bxe2 Ne4 31. hxg4 Nxd2 32. bxc5 hxg4 33. c6 bxc6 34. dxc6 Ke7 35. c5 dxc5 36. Bxa6 Kd6 37. Bb5 c4 38. a6 Ne4 39. Bxc4 Kxc6 40. Bf7 Nd6 41. Bxg6 Kb6 42. Nf2 Bxf2 1/2-1/2

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2011.11.20"]
[Round "4.4"]
[White "Wege, Jochen"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2259"]
[BlackElo "2220"]
[PlyCount "143"]
[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 "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nf3 c5 4. c3 cxd4 5. cxd4 Nf6 6. Nc3 0-0 7. Be2 d6 8. h3 Nc6 9. 0-0 Re8 10. Be3 e5 11. d5 Nd4 12. Rc1 a6 13. Re1 Nxe2+ 14. Rxe2 Bd7 15. Qb3 b5 16. a4 bxa4 17. Qb4 Qb8 18. Qa3 Rc8 19. Rec2 Rc4 20. Nd2 Rb4 21. f3 Ne8 22. Nd1 f5 23. Rc4 a5 24. Qc3 Qb7 25. Kh2 f4 26. Bf2 Rxc4 27. Nxc4 Rc8 28. Ra1 Qa6 29. b3 axb3 30. Ndb2 a4 31. Qb4 Bb5 32. Na3 Bd7 33. Nac4 Ra8 34. Ra3 Qb5 35. Be1 Qxb4 36. Bxb4 Ra6 37. Ra1 Bf6 38. Kg1 Bd8 39. Rc1 Bc7 40. Kf2 Bb8 41. Ba3 Ba7+ 42. Ke1 Be3 43. Nxe3 fxe3 44. Ke2 Kf7 45. Kxe3 Ke7 46. h4 Kd8 47. Nc4 Bb5 48. Kd2 Bxc4 49. Rxc4 Nc7 50. Kc3 Nb5+ 51. Kb2 Nd4 52. f4 Nc2 53. g3 Nxa3 54. Kxa3 Rb6 55. Rc1 b2 56. Rb1 exf4 57. gxf4 Rb3+ 58. Kxa4 Re3 59. Rxb2 Rxe4+ 60. Rb4 Re1 61. Rb7 h5 62. Rg7 Re4+ 63. Kb5 Rxf4 64. Kc6 Rxh4 65. Kxd6 Ke8 66. Rxg6 Ra4 67. Rg8+ Kf7 68. Rh8 h4 69. Kc6 Ra6+ 70. Kb5 Ra1 71. Rxh4 Ke7 72. d6+ 1/2-1/2

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2011.10.23"]
[Round "3.3"]
[White "Roosen, Holger"]
[Black "Donchenko, Anatoly G"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2220"]
[BlackElo "2383"]
[PlyCount "109"]
[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 "Offenbach"]
[BlackTeam "Giessen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nf3 Nc6 5. Nc3 d6 6. 0-0 h5 7. a3 Nh6 8. d3 Nf5 9. Rb1 h4 10. e4 Nfd4 11. Nxd4 Bxd4 12. Be3 hxg3 13. hxg3 Bd7 14. Bxd4 Nxd4 15. Ne2 Nxe2+ 16. Qxe2 e5 17. Qe3 Qe7 18. f4 f6 19. b4 b6 20. Kf2 Kf7 21. Rh1 Kg7 22. Rxh8 Rxh8 23. Rh1 Rxh1 24. Bxh1 Qe8 25. Kg1 Bc8 26. b5 Qh8 27. Qf3 Qh6 28. Bg2 Bd7 29. Bf1 Bc8 30. Be2 Qh3 31. Qf2 Bd7 32. Qh2 Qxh2+ 33. Kxh2 f5 34. Bf3 Kf6 35. Kg2 exf4 36. gxf4 g5 37. Kg3 Be6 38. Be2 Bf7 39. exf5 Kxf5 40. Bg4+ Kf6 41. Bh3 d5 42. Bf1 d4 43. Be2 Bg6 44. Kg4 Bf5+ 45. Kg3 Bc8 46. Bf3 a6 47. a4 a5 48. Bg2 Bf5 49. Bf1 Be6 50. Kf3 Bf5 51. fxg5+ Kxg5 52. Ke2 Kf4 53. Bg2 Bg4+ 54. Kd2 Bf3 55. Bh3 1/2-1/2

[Event "Oberliga Ost-B 1112"]
[Site "Germany"]
[Date "2011.10.22"]
[Round "2.3"]
[White "Rafiee, Makan"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2135"]
[BlackElo "2220"]
[PlyCount "31"]
[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 "Kassel"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. c3 c5 4. Nf3 cxd4 5. cxd4 Nf6 6. Nc3 0-0 7. Be2 d6 8. 0-0 Bg4 9. Qb3 Nc6 10. Rd1 Rb8 11. Be3 Qa5 12. Rac1 e6 13. h3 Bxf3 14. Bxf3 Rfe8 15. Nb5 Red8 16. Bf4 1/2-1/2

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2011.04.10"]
[Round "11.2"]
[White "Roosen, Holger"]
[Black "Donchenko, Anatoly G"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2206"]
[BlackElo "2378"]
[PlyCount "22"]
[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 "Offenbach"]
[BlackTeam "Giessen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e6 2. g3 d5 3. d4 Nf6 4. Bg2 dxc4 5. Nf3 Bb4+ 6. Bd2 Be7 7. 0-0 0-0 8. Qc1 a6 9. a4 Bd7 10. Ne5 Bc6 11. Nxc6 Nxc6 1/2-1/2

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2011.04.09"]
[Round "10.3"]
[White "Roosen, Holger"]
[Black "Bollmann, Henrik"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2206"]
[BlackElo "2153"]
[PlyCount "113"]
[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 "Offenbach"]
[BlackTeam "Weimar"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e6 2. g3 d5 3. d4 c6 4. Nf3 f5 5. Bg2 Nf6 6. 0-0 Bd6 7. Nc3 0-0 8. Be3 b6 9. Qc1 Bb7 10. cxd5 exd5 11. Bf4 Qe7 12. Bxd6 Qxd6 13. Ne5 Nbd7 14. Nd3 a5 15. Qf4 Qe6 16. Qc7 Rab8 17. h4 Rfc8 18. Qf4 Ba6 19. Rfe1 Ne4 20. Bh3 Nxc3 21. bxc3 Rf8 22. Rad1 Bc4 23. Qd2 Qd6 24. e3 g6 25. Ra1 Kg7 26. Nb2 Ba6 27. a4 Nf6 28. Qc2 Rfc8 29. c4 Ne4 30. Bf1 Qb4 31. Rec1 Qe7 32. Kh2 h6 33. f3 Nf6 34. Qd2 Re8 35. Re1 Rbd8 36. Bd3 Rc8 37. c5 Bxd3 38. Nxd3 bxc5 39. Nxc5 Rb8 40. Ra2 Rb4 41. Nd3 Rb3 42. Qc2 Reb8 43. Ne5 Qb4 44. Qxc6 Rc3 45. Qa6 Rb6 46. Qe2 Rb7 47. Rd1 Ra3 48. Rda1 Rc3 49. Rc2 Qb3 50. Rxc3 Qxc3 51. Ra2 Rc7 52. Kg2 Qb3 53. Qd2 Qb1 54. Rb2 Qa1 55. Rc2 Rb7 56. Qxa5 Ne8 57. Qa6 1-0

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2011.03.20"]
[Round "9.3"]
[White "Lutz, Klaus Juergen"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2282"]
[BlackElo "2206"]
[PlyCount "74"]
[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 "Steinbach"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 g6 2. Nc3 Bg7 3. e4 c5 4. d5 d6 5. Nf3 Nf6 6. Bb5+ Bd7 7. a4 0-0 8. 0-0 Bg4 9. Be2 Bxf3 10. Bxf3 Ne8 11. Bg5 Nc7 12. Qd2 Re8 13. Rfe1 Nd7 14. Be2 Bd4 15. Nd1 a6 16. c3 Bg7 17. a5 Rb8 18. Ne3 Nf6 19. Bf3 Nd7 20. Bd1 b5 21. axb6 Nxb6 22. Be2 Qd7 23. h3 h6 24. Bf4 Red8 25. Ng4 h5 26. Ne3 e6 27. dxe6 Qxe6 28. Bf3 Be5 29. Bg5 f6 30. Nd5 Nbxd5 31. exd5 Qf5 32. Be3 Kh7 33. Be2 Nxd5 34. g4 Qe4 35. Bd3 Qf3 36. Be2 Qxh3 37. Qxd5 Bh2+ 1/2-1/2

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2011.02.27"]
[Round "8.2"]
[White "Wehner, Janis"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2198"]
[BlackElo "2206"]
[PlyCount "134"]
[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 Medizin"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. g3 c5 4. Ne2 cxd4 5. Nxd4 Qb6 6. Nb3 Nc6 7. Bg2 h5 8. h3 Nf6 9. Nc3 d6 10. Be3 Qd8 11. 0-0 Bd7 12. Nd5 Qc8 13. Kh2 h4 14. g4 Ne5 15. Nxf6+ Bxf6 16. g5 Bg7 17. Bd4 f6 18. f4 Nf7 19. gxf6 exf6 20. Qd3 0-0 21. Nd2 Qd8 22. Bf3 Qe7 23. Rae1 g5 24. Bh5 gxf4 25. Bxf7+ Rxf7 26. Rxf4 f5 27. Rg1 Kf8 28. Rxg7 Rxg7 29. Bxg7+ Kxg7 30. exf5 Qe5 31. f6+ Kf8 32. Qd4 Kf7 33. Nc4 Qxd4 34. Rxd4 Kxf6 35. Rxh4 Rc8 36. c3 Kg5 37. Rd4 Rh8 38. h4+ Rxh4+ 39. Rxh4 Kxh4 40. Nxd6 Bc6 41. Kg1 Kg4 42. Kf2 Kf4 43. Ke2 Ke5 44. Nc4+ Ke6 45. Ke3 Bg2 46. Kd4 Kd7 47. a4 Kc6 48. b4 a6 49. Ne5+ Kd6 50. c4 Bh1 51. Nd3 Bg2 52. c5+ Kc6 53. Ne5+ Kc7 54. Nc4 Bc6 55. a5 Bg2 56. Ne5 Bh1 57. Ke3 Bd5 58. Kf4 Bg2 59. Kf5 Bf1 60. Ke6 Bb5 61. Ke7 Bf1 62. Nf7 Bg2 63. Nd6 Bd5 64. Ne8+ Kc6 65. Kd8 Kb5 66. Kc7 Kxb4 67. Kb6 Bh1 1/2-1/2

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2011.02.06"]
[Round "7.2"]
[White "Roosen, Holger"]
[Black "Khairullin, Ildar"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2206"]
[BlackElo "2620"]
[PlyCount "94"]
[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 "Offenbach"]
[BlackTeam "Wiesbaden"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Qb3 e6 5. Nc3 Nbd7 6. Be2 Bd6 7. d4 0-0 8. 0-0 b6 9. e4 dxe4 10. Ng5 Qc7 11. h3 c5 12. Be3 cxd4 13. Bxd4 Bb7 14. Rfd1 Bc5 15. Nb5 Qb8 16. h4 h6 17. Nh3 a6 18. Na3 Qc7 19. Qc3 e5 20. Be3 Bxe3 21. fxe3 Nc5 22. b4 Nd3 23. Bxd3 exd3 24. Qxd3 Rad8 25. Qe2 Qc6 26. b5 Qc5 27. bxa6 Bxa6 28. Nb5 Ne4 29. Rxd8 Rxd8 30. a4 Rd2 31. Qf3 Qxc4 32. Na3 Qxa4 33. Nc2 Qxc2 34. Rxa6 Qd1+ 35. Qxd1 Rxd1+ 36. Kh2 Rb1 37. Ra4 f5 38. g4 Rb2+ 39. Kg1 Re2 40. gxf5 Rxe3 41. Rb4 b5 42. Nf2 Nd6 43. Ng4 Re4 44. Rxe4 Nxe4 45. Nxe5 b4 46. Nd3 b3 47. Kg2 Nd6 0-1

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2011.02.05"]
[Round "6.2"]
[White "Galdunts, Sergey"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "2459"]
[BlackElo "2206"]
[PlyCount "53"]
[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 "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d6 9. f3 Na5 10. Qd2 Re8 11. 0-0-0 Bd7 12. Bh6 Bh8 13. h4 Nxb3+ 14. cxb3 a5 15. h5 a4 16. hxg6 fxg6 17. b4 a3 18. b3 Qb6 19. b5 Rac8 20. Kb1 Ng4 21. Nde2 Ne5 22. Be3 Qa5 23. Bd4 e6 24. Qh6 Re7 25. f4 Ng4 26. Qg5 Bxd4 27. Qxe7 1-0

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2011.01.16"]
[Round "5.2"]
[White "Roosen, Holger"]
[Black "Luther, Thomas"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2206"]
[BlackElo "2544"]
[PlyCount "88"]
[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 "Offenbach"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nc3 Bb4 3. g3 Bxc3 4. bxc3 Nc6 5. Bg2 Nge7 6. Nf3 d6 7. 0-0 0-0 8. Rb1 Rb8 9. d3 h6 10. Nd2 Be6 11. Qa4 Qd7 12. Re1 a6 13. Bb2 f5 14. e3 b5 15. cxb5 axb5 16. Qc2 Bxa2 17. Ra1 Bd5 18. Bh3 Nd8 19. e4 Be6 20. Bg2 f4 21. d4 Ng6 22. d5 Bh3 23. Qd1 Bxg2 24. Kxg2 Nf7 25. Qh5 Ng5 26. f3 Rf6 27. g4 Nh7 28. Kh1 Ngf8 29. Qh4 c6 30. Qf2 c5 31. Nb3 Qe8 32. Na5 Ng6 33. Nc6 Rc8 34. Ra7 Rf7 35. Rea1 Rxa7 36. Rxa7 Ra8 37. Rb7 Qc8 38. Rxb5 Qa6 39. Ra5 Qb7 40. Rxa8+ Qxa8 41. h4 Kf7 42. Qe2 Nxh4 43. Qb5 Ng5 44. Kg1 Qa2 0-1

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2010.12.12"]
[Round "4.3"]
[White "Roosen, Holger"]
[Black "Wege, Jochen"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2206"]
[BlackElo "2258"]
[PlyCount "103"]
[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 "Offenbach"]
[BlackTeam "Frankfurt BvK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. g3 d5 3. cxd5 Qxd5 4. Nf3 Nc6 5. Nc3 Qd7 6. Bg2 e5 7. 0-0 Bd6 8. d3 b6 9. e3 Nge7 10. d4 Ng6 11. Ne4 Ba6 12. dxc5 Bxc5 13. Nxc5 bxc5 14. Qxd7+ Kxd7 15. Rd1+ Ke7 16. b3 Rad8 17. Ba3 Rxd1+ 18. Rxd1 Nb4 19. Rc1 Nd3 20. Bxc5+ Ke6 21. Rc3 f5 22. Bxa7 Ne7 23. Bf1 e4 24. Nd4+ Kf6 25. Ne2 Nb4 26. Bd4+ Kf7 27. a3 Nbd5 28. Rc5 Rb8 29. b4 Bd3 30. Nf4 Nxf4 31. gxf4 Ra8 32. Bxd3 exd3 33. Rc3 d2 34. Rd3 Rxa3 35. Rxd2 Ke6 36. Bxg7 Nd5 37. Rb2 Kd6 38. Be5+ Kc6 39. Rc2+ Kb6 40. Bd4+ Kb7 41. Rc5 Ne7 42. Re5 Nc6 43. Rxf5 Rb3 44. Rf7+ Ka6 45. Bc5 h5 46. Rh7 Kb5 47. Rxh5 Kc4 48. Rh6 Kd5 49. Rd6+ Ke4 50. Kg2 Nb8 51. f3+ Kf5 52. Kg3 1-0

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2010.11.14"]
[Round "3.2"]
[White "Grafl, Florian"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2416"]
[BlackElo "2206"]
[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 "Hungen Lich"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. Nc3 Bg7 3. g4 c5 4. d3 Nc6 5. Be3 d6 6. Bg2 Bd7 7. h3 h6 8. Nge2 Qc8 9. Qd2 Nd4 10. Nd1 Rb8 11. f4 h5 12. f5 hxg4 13. hxg4 Rxh1+ 14. Bxh1 Bc6 15. c3 Nxe2 16. Qxe2 b5 17. Nf2 b4 18. c4 Kd8 19. 0-0-0 Kc7 20. d4 cxd4 21. Bxd4 Bxd4 22. Rxd4 Qa6 23. Kb1 Qb6 24. Rd1 Qc5 25. b3 gxf5 26. exf5 Bxh1 27. Rxh1 a5 28. Nd3 Qc6 29. Re1 Rb7 30. Nf4 Kb8 31. Nd5 Qc5 32. Qb2 Ka7 33. g5 a4 34. Qd2 e6 35. fxe6 fxe6 36. Rxe6 Rf7 37. Kc2 axb3+ 38. axb3 Qa5 39. Kd3 Qa1 40. Re1 Qh8 41. Qe3+ 1-0

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2010.11.13"]
[Round "2.2"]
[White "Roosen, Holger"]
[Black "Overbeck, Thorsten"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2206"]
[BlackElo "2308"]
[PlyCount "89"]
[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 "Offenbach"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c6 2. Nf3 d5 3. b3 Bg4 4. e3 Nd7 5. Bb2 e6 6. Nc3 Ngf6 7. Be2 Bd6 8. 0-0 0-0 9. Nd4 Bxe2 10. Qxe2 Re8 11. f4 Qe7 12. Rae1 Rad8 13. cxd5 exd5 14. Nf5 Qe6 15. Nxd6 Qxd6 16. Nd1 c5 17. Nf2 Qe6 18. d3 Qa6 19. Qc2 Qd6 20. g3 b6 21. e4 dxe4 22. dxe4 Qc6 23. e5 Nd5 24. Ne4 Nf8 25. Qg2 c4 26. bxc4 Qxc4 27. Nd6 Qc5+ 28. Qf2 Qxf2+ 29. Kxf2 Re7 30. Rd1 Nc7 31. Rd2 Nfe6 32. Ke3 Red7 33. Rfd1 Nc5 34. Ba3 Na4 35. Rd4 Nc5 36. Bxc5 bxc5 37. Rc4 Na6 38. Rd5 Rc7 39. Ke4 Rb8 40. a3 g6 41. f5 gxf5+ 42. Kxf5 Rb3 43. Ne4 Rf3+ 44. Kg4 Rxa3 45. Nf6+ 1-0

[Event "Oberliga Ost-B 1011"]
[Site "Germany"]
[Date "2010.10.24"]
[Round "1.3"]
[White "Schlamp, Robert"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2305"]
[BlackElo "2206"]
[PlyCount "99"]
[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 "Oberursel"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 b6 2. d4 e6 3. Nc3 Bb4 4. Nf3 Bb7 5. Bd3 Nf6 6. Qe2 c5 7. Bd2 c4 8. Bxc4 Bxc3 9. Bxc3 Nxe4 10. Bb4 d6 11. Bd3 Nf6 12. 0-0 0-0 13. Rad1 Nc6 14. Bd2 Re8 15. Rfe1 e5 16. dxe5 dxe5 17. Bg5 Qe7 18. Be4 h6 19. Bxf6 Qxf6 20. Rd7 Nd4 21. Nxd4 Bxe4 22. Qxe4 exd4 23. Qxe8+ Rxe8 24. Rxe8+ Kh7 25. Ree7 Qf4 26. g3 Qc1+ 27. Kg2 Qxc2 28. Rxf7 Qe4+ 29. f3 Qe2+ 30. Kh3 Kh8 31. Rxg7 Qxf3 32. Rh7+ Kg8 33. Rdg7+ Kf8 34. Rf7+ Qxf7 35. Rxf7+ Kxf7 36. Kg4 Ke6 37. Kf4 Kd5 38. g4 d3 39. Ke3 d2 40. Kxd2 Ke4 41. h4 Kf4 42. g5 hxg5 43. hxg5 Kxg5 44. Kd3 Kf5 45. Kc4 Ke4 46. Kb5 Kd3 47. Ka6 Kc4 48. Kxa7 b5 49. Kb6 b4 50. b3+ 1-0

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2010.04.11"]
[Round "11.3"]
[White "Roosen, Holger"]
[Black "Overbeck, Thorsten"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2199"]
[BlackElo "2235"]
[PlyCount "96"]
[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 "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Bg4 5. Ne5 Bh5 6. g3 e6 7. Bg2 Nbd7 8. Nf3 Bd6 9. 0-0 0-0 10. Na3 a5 11. Nc2 b5 12. cxb5 cxb5 13. Ncd4 Qb6 14. d3 Rfc8 15. Qd2 Bb4 16. Qf4 Bc3 17. Bxc3 Rxc3 18. Rfc1 Rac8 19. Rxc3 Rxc3 20. Rc1 b4 21. Rxc3 bxc3 22. Nc2 Bxf3 23. Bxf3 e5 24. Qf5 d4 25. Bd5 g6 26. Qf3 Nc5 27. Bc4 Kg7 28. h4 h5 29. Qa8 e4 30. Qc8 Qd6 31. Qa8 e3 32. f4 Qd7 33. Kg2 Ng4 34. Qd5 Qxd5+ 35. Bxd5 Nxd3 36. exd3 e2 37. Ne1 Ne3+ 38. Kf2 Nxd5 39. Kxe2 Ne3 40. a3 Kf6 41. b4 axb4 42. axb4 Ke7 43. Nf3 Nf5 44. Kd1 f6 45. Kc2 Kd6 46. Kb3 Kd5 47. Ne1 Nxg3 48. Nc2 Nf5 0-1

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2010.04.10"]
[Round "10.6"]
[White "Roosen, Holger"]
[Black "Eckhardt, Thorsten"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2199"]
[BlackElo "2147"]
[PlyCount "52"]
[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 "Hungen Lich"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Rb1 a5 6. a3 d6 7. d3 f5 8. e3 Nf6 9. Nge2 0-0 10. 0-0 Be6 11. b4 axb4 12. axb4 Rb8 13. b5 Ne7 14. Ba3 Re8 15. Qc2 g5 16. f4 Ng4 17. Bc1 gxf4 18. gxf4 Ng6 19. h3 Nh6 20. Rf2 Kh8 21. Bd2 Rg8 22. Kh1 Qe8 23. Rg1 c6 24. Qa4 Bd7 25. Qa3 Bf8 26. Qb2 Nh4 1/2-1/2

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2010.03.21"]
[Round "9.5"]
[White "Schoebel, Wolfgang"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2266"]
[BlackElo "2199"]
[PlyCount "115"]
[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 "Schoeneck"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 Nf6 4. 0-0 0-0 5. c4 c5 6. Nc3 Nc6 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 d6 10. Qd3 Bf5 11. e4 Be6 12. b3 Qc8 13. Bb2 Bh3 14. Rfe1 Bxg2 15. Kxg2 Qc6 16. Nd5 Nxd5 17. exd5 Qd7 18. Bxg7 Kxg7 19. Re4 Rfe8 20. Rae1 e5 21. dxe6 Rxe6 22. Rxe6 fxe6 23. Rd1 Rd8 24. Qd4+ Kg8 25. Qxa7 Qc6+ 26. Kg1 d5 27. Qd4 Ra8 28. cxd5 exd5 29. Qxd5+ Qxd5 30. Rxd5 Rxa2 31. Rd8+ Kg7 32. Rd7+ Kh6 33. Rxb7 Rb2 34. h4 Kh5 35. Kg2 h6 36. Kh3 g5 37. g4+ Kg6 38. Rb6+ Kf7 39. hxg5 hxg5 40. Kg3 Ke7 41. Kf3 Kd7 42. Rb5 Ke6 43. Rxg5 Rxb3+ 44. Kf4 Kf6 45. Rf5+ Kg6 46. Re5 Rb6 47. Kg3 Kf6 48. Ra5 Rb1 49. Ra6+ Kg7 50. f4 Rh1 51. f5 Kf7 52. Kf4 Rc1 53. Ra7+ Kg8 54. Kg5 Rc6 55. f6 Rc4 56. Kf5 Rc8 57. Kg6 Rb8 58. g5 1-0

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2010.02.28"]
[Round "8.6"]
[White "Roosen, Holger"]
[Black "Vollmar, Rainer"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2199"]
[BlackElo "2148"]
[PlyCount "75"]
[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 "Frankfurt BvK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 b5 2. cxb5 a6 3. bxa6 e5 4. g3 d5 5. Bg2 c6 6. Nf3 Bd6 7. 0-0 Ne7 8. d3 Nxa6 9. Na3 0-0 10. Nc2 h6 11. b3 Ng6 12. Bb2 f5 13. e4 fxe4 14. dxe4 Nc5 15. exd5 Ba6 16. dxc6 Nd3 17. Ba3 Bxa3 18. Nxa3 e4 19. Nd2 Nb2 20. Qc2 Bxf1 21. Rxf1 e3 22. Qxb2 exd2 23. Rd1 Qe7 24. Rxd2 Qxa3 25. Qc3 Rae8 26. Rc2 Qd6 27. c7 Qd1+ 28. Bf1 Ne5 29. Rc1 Nf3+ 30. Kh1 Qd7 31. b4 Ne5 32. b5 Qd5+ 33. f3 Rxf3 34. Bg2 Nd3 35. c8Q Nf2+ 36. Kg1 Nh3+ 37. Qxh3 Rxc3 38. Bxd5+ 1-0

[Event "GER CupT"]
[Site "Germany"]
[Date "2010.02.21"]
[Round "2"]
[White "Strohhaeker, Raoul"]
[Black "Roosen, Holger"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "2445"]
[BlackElo "2199"]
[PlyCount "120"]
[EventDate "2010.02.20"]
[EventType "team-tourn"]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Nde2 Nf6 7. g3 0-0 8. Bg2 Rb8 9. a4 b6 10. Bf4 d6 11. 0-0 Bb7 12. Re1 Re8 13. Rb1 a6 14. Nd5 e5 15. Bg5 Nd4 16. Nec3 Bxd5 17. Nxd5 Ne6 18. Bxf6 Bxf6 19. c3 Nc7 20. Bf1 Nxd5 21. Qxd5 Ra8 22. Rbd1 Be7 23. Bc4 Rf8 24. Qd3 Qd7 25. b3 Qa7 26. h4 Kg7 27. h5 h6 28. Qf3 Qd7 29. Rd5 f5 30. hxg6 f4 31. Rd2 fxg3 32. Bf7 Bg5 33. Rde2 gxf2+ 34. Rxf2 Bh4 35. Rff1 b5 36. axb5 axb5 37. Re2 Bg5 38. Qh5 Bf4 39. Kg2 Qe7 40. Rd1 Ra6 41. Rf2 Rfa8 42. b4 Ra1 43. Rxa1 Rxa1 44. Qg4 Rc1 45. Ra2 Rxc3 46. Ra8 Rg3+ 47. Qxg3 Bxg3 48. Rg8+ Kf6 49. Kxg3 Qa7 50. Bd5 Qg1+ 51. Kf3 Qf1+ 52. Kg3 Qe1+ 53. Kg4 Qe2+ 54. Kg3 h5 55. g7 Qe1+ 56. Kh3 h4 57. Kh2 Kg6 58. Kg2 Qg3+ 59. Kf1 Qf3+ 60. Ke1 h3 0-1

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2010.01.24"]
[Round "7.6"]
[White "Roosen, Holger"]
[Black "Oparaugo, Thomas"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2199"]
[BlackElo "2108"]
[PlyCount "129"]
[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 "Oberursel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. g3 c6 3. b3 d5 4. Bb2 g6 5. Bg2 Bg7 6. Nf3 0-0 7. 0-0 Nbd7 8. Na3 Re8 9. d3 e5 10. cxd5 Nxd5 11. Nc4 b5 12. Nd6 Re6 13. Nxc8 Rxc8 14. Bh3 Re8 15. e4 Nc7 16. d4 Ne6 17. dxe5 Qc7 18. Bxe6 fxe6 19. Qd4 c5 20. Qd3 a6 21. Qc3 b4 22. Qc4 Nxe5 23. Bxe5 Bxe5 24. Rad1 a5 25. Rd3 Bd4 26. Rfd1 Qg7 27. e5 Bxe5 28. Re1 Bd4 29. Rxe6 Qf7 30. Nxd4 cxd4 31. Rxe8+ Rxe8 32. Qxd4 Re2 33. Qd8+ Qe8 34. Qxe8+ Rxe8 35. Rd5 Ra8 36. Rd7 Rc8 37. Ra7 Rc5 38. Kg2 h5 39. Kh3 Kf8 40. f4 Ke8 41. Kh4 Rc2 42. Rxa5 Rxh2+ 43. Kg5 Rg2 44. Kxg6 h4 45. Kf6 hxg3 46. Rg5 Rxa2 47. Rxg3 Ra6+ 48. Ke5 Kf7 49. Re3 Ke7 50. Kd5+ Kd7 51. Re4 Ra5+ 52. Kc4 Rf5 53. Kxb4 Kc6 54. Kc4 Rc5+ 55. Kd3 Rf5 56. Rc4+ Kd6 57. Rd4+ Ke6 58. b4 Rf8 59. Kc4 Rc8+ 60. Kb5 Rb8+ 61. Kc6 Rc8+ 62. Kb7 Rc1 63. b5 Rb1 64. b6 Rb2 65. Ka6 1-0

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2010.01.23"]
[Round "6.6"]
[White "Schneider, Heiko"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2177"]
[BlackElo "2199"]
[PlyCount "83"]
[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 "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 c6 5. Be3 Nf6 6. Qd2 Bf5 7. f3 Nbd7 8. 0-0-0 e6 9. Nge2 Qc7 10. g4 Bg6 11. Nf4 Nd5 12. Ncxd5 exd5 13. h4 h6 14. Nxg6 fxg6 15. Bd3 Qd6 16. Bf4 Qf6 17. g5 Qf7 18. Rde1+ Kd8 19. h5 gxh5 20. gxh6 Rxh6 21. Bxh6 gxh6 22. Qh2 Be7 23. Qxh5 Bg5+ 24. Kb1 Qxh5 25. Rxh5 Kc7 26. Rhh1 Rf8 27. Rhf1 Rf4 28. c3 Nf8 29. Re5 Kd6 30. Kc2 c5 31. Rfe1 cxd4 32. cxd4 Rxd4 33. Bf5 Rf4 34. Bg4 Kc5 35. Rf5 Ng6 36. Rxf4 Nxf4 37. Bc8 b5 38. b3 a5 39. Rd1 d4 40. a3 d3+ 41. Rxd3 Nxd3 42. Kxd3 1/2-1/2

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2009.12.13"]
[Round "5.6"]
[White "Schlein, Julia"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2137"]
[BlackElo "2199"]
[PlyCount "93"]
[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 "Steinbach"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 g6 2. Nf3 Bg7 3. g3 Nf6 4. Bg2 0-0 5. 0-0 d6 6. c4 Bd7 7. Nc3 Qc8 8. Re1 Bh3 9. Bh1 Bg4 10. e4 Nc6 11. Be3 Re8 12. Qd2 Nd7 13. Ne2 Nf6 14. Nc3 Bxf3 15. Bxf3 Ng4 16. Bg2 Nxe3 17. fxe3 Qg4 18. Qf2 Rf8 19. Nd5 Rac8 20. Rad1 Qd7 21. a3 Na5 22. Qf1 e6 23. Bh3 f5 24. Nf4 g5 25. exf5 gxf4 26. fxe6 Qe7 27. exf4 Rce8 28. Qd3 Nc6 29. Qe4 Qf6 30. d5 Ne7 31. b4 h5 32. Rf1 Nf5 33. Bxf5 Qxf5 34. Qxf5 Rxf5 35. Kg2 b6 36. h3 Bh6 37. Kf3 Ref8 38. Rde1 Kg7 39. Ke4 R8f6 40. Rf3 h4 41. Ref1 hxg3 42. Rxg3+ Kf8 43. Rg4 Ke7 44. Rf3 Rf8 45. Rh4 Bg5 46. Rh7+ Ke8 47. Rf7 1-0

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2009.11.15"]
[Round "3.4"]
[White "Roosen, Holger"]
[Black "Reichel, Norbert"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "2199"]
[BlackElo "2136"]
[PlyCount "141"]
[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 Medizin"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. g3 g6 3. Nc3 Bg7 4. Bg2 0-0 5. Nf3 d5 6. cxd5 Nxd5 7. 0-0 c5 8. Nxd5 Qxd5 9. d3 Nc6 10. Be3 Qd6 11. Nd2 b6 12. Rc1 Bb7 13. Ne4 Qd7 14. Bxc5 Bxb2 15. Rb1 Bg7 16. Qa4 Rfd8 17. Rfc1 Nd4 18. Qxd7 Rxd7 19. Bxd4 Bxd4 20. e3 Bg7 21. Nc5 bxc5 22. Rxb7 Rxb7 23. Bxb7 Rb8 24. Bc6 Rb2 25. a4 Rb3 26. Rxc5 Rxd3 27. Ra5 Rc3 28. Bb7 Rc1+ 29. Kg2 Bc3 30. Rxa7 Ra1 31. Bc6 Kf8 32. Ra8+ Kg7 33. Re8 Kf6 34. g4 h6 35. h4 Bb4 36. Rb8 Bc3 37. Rb7 g5 38. hxg5+ hxg5 39. Rb5 Kg6 40. Rc5 Be1 41. Be8 Kh6 42. Rc7 Ra2 43. Kf1 Ra1 44. Ke2 Bb4 45. Rc4 Ra2+ 46. Kf1 Ra1+ 47. Kg2 Be1 48. f4 gxf4 49. exf4 Kg7 50. Kf3 Ba5 51. f5 f6 52. Ke4 Rd1 53. Rd4 Re1+ 54. Kd5 Re5+ 55. Kc6 e6 56. Bd7 exf5 57. gxf5 Kf7 58. Be6+ Ke8 59. Rh4 Kd8 60. Rh8+ Ke7 61. Rh7+ Ke8 62. Bd7+ Kf8 63. Rh8+ Ke7 64. Re8+ Kf7 65. Rxe5 fxe5 66. Kb5 Bc3 67. Bc6 Kf6 68. Be4 Kg5 69. a5 Bd4 70. a6 Kf4 71. f6 1-0

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2009.11.14"]
[Round "2.4"]
[White "Baum, Bernd"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2219"]
[BlackElo "2199"]
[PlyCount "133"]
[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 "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 g6 2. e4 Bg7 3. d4 c5 4. dxc5 Qa5+ 5. c3 Qxc5 6. Na3 Nf6 7. Be3 Qa5 8. e5 Ng4 9. Bf4 Nc6 10. Nc4 Qc5 11. Qe2 b5 12. h3 Nxf2 13. Qxf2 Qxf2+ 14. Kxf2 bxc4 15. Bxc4 0-0 16. Rad1 e6 17. Rhe1 a5 18. Kg1 a4 19. Re2 Ra5 20. b4 axb3 21. axb3 f6 22. exf6 Rxf6 23. Bc7 Ra7 24. Bd6 Bf8 25. Bb5 Bxd6 26. Rxd6 Ne7 27. c4 Nf5 28. Rd1 d6 29. Ng5 e5 30. Ne4 Re6 31. c5 Nd4 32. Rxd4 exd4 33. Bc4 Kg7 34. Bxe6 Bxe6 35. cxd6 Bxb3 36. Rd2 Be6 37. Rxd4 Kf7 38. Kf2 Bf5 39. Nc5 Ke8 40. g4 Bc8 41. Kf3 Ra3+ 42. Kf4 Rxh3 43. d7+ Bxd7 44. Nxd7 h5 45. Nf6+ Kf7 46. g5 Ke6 47. Re4+ Kf7 48. Re3 Rh4+ 49. Ke5 Ra4 50. Rd3 Ra1 51. Rd7+ Kf8 52. Nd5 Rf1 53. Nf4 Re1+ 54. Kf6 Ke8 55. Rd4 h4 56. Kxg6 Re3 57. Ng2 Re6+ 58. Kf5 Ra6 59. Nxh4 Kf7 60. Rd7+ Kg8 61. Nf3 Rb6 62. Ne5 Rb5 63. Rc7 Rd5 64. Ke6 Rd1 65. Ng4 Kh8 66. Kf7 Rd8 67. Kg6 1-0

[Event "Oberliga Ost-B 0910"]
[Site "Germany"]
[Date "2009.10.18"]
[Round "1.7"]
[White "Rudolph, Peter"]
[Black "Roosen, Holger"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "2137"]
[BlackElo "2199"]
[PlyCount "86"]
[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 "Giessen"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nge2 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 0-0 9. Nb3 Qc7 10. f4 d6 11. Be2 Be6 12. f5 Bd7 13. g4 Kh8 14. g5 Ng8 15. Nd5 Qd8 16. f6 exf6 17. gxf6 Bh6 18. Qd2 Bxe3+ 19. Qxe3 Be6 20. Qf4 Bxd5 21. exd5 Ne5 22. Rf2 Nd7 23. Raf1 Ngxf6 24. Bb5 Qb6 25. Bxd7 Nxd7 26. Kh1 f5 27. c4 Rae8 28. Rc2 Re4 29. Qg5 Rfe8 30. Qg3 Kg8 31. c5 dxc5 32. Nd2 Rg4 33. Qd3 Rd4 34. Qf3 Qd6 35. Nb3 Rxd5 36. Rg1 b6 37. Rcg2 Nf6 38. Qc3 Rd1 39. Qc4+ Kg7 40. h3 Rxg1+ 41. Kxg1 Re1+ 42. Kf2 Qd1 43. Qc3 Rf1+ 0-1

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2009.03.15"]
[Round "9.4"]
[White "Roosen, Holger"]
[Black "Klingelhoefer, Stefan"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2212"]
[BlackElo "2196"]
[PlyCount "66"]
[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 "Giessen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e6 2. g3 d5 3. d4 c6 4. Bg2 dxc4 5. Nf3 b5 6. 0-0 Bb7 7. a4 a6 8. Na3 Nd7 9. e4 Ngf6 10. Re1 Be7 11. Bf4 0-0 12. Qc2 Re8 13. h4 Qb6 14. a5 Qd8 15. Bh3 c5 16. d5 exd5 17. e5 Ne4 18. Rxe4 dxe4 19. Rd1 Bc6 20. e6 exf3 21. exd7 Rf8 22. Bf5 g6 23. Be4 Bxe4 24. Qxe4 Ra7 25. Qc6 Qa8 26. Qb6 Rb7 27. Qc6 Qa7 28. Nxb5 axb5 29. a6 Rb6 30. Qe4 Re6 31. Qb7 Qxa6 32. Qxf3 Qc6 33. Qc3 Rd8 0-1

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2009.02.01"]
[Round "7.5"]
[White "Rechel, Ralf"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2221"]
[BlackElo "2212"]
[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 "Hofheim II"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. d5 d6 5. f4 Nf6 6. Nf3 0-0 7. Be2 Bg4 8. 0-0 Nbd7 9. Be3 a6 10. a4 Rb8 11. Nd2 Bxe2 12. Qxe2 Ne8 13. a5 Nc7 14. Nc4 b5 15. axb6 Nxb6 16. Na5 Qd7 17. f5 Kh8 18. Rf3 Ra8 19. Rh3 Bf6 20. Qg4 Ne8 21. Rf1 Ng7 22. Bg5 h5 23. Bxf6 exf6 24. Rff3 Kg8 25. Qf4 g5 26. Qd2 Kh7 27. e5 fxe5 28. Qxg5 f6 29. Rxh5+ Kg8 30. Qg6 Qe8 31. Qh7+ Kf7 32. Rg3 Rg8 33. Ne4 Qa4 34. Qg6+ Ke7 35. Qxf6+ 1-0

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2009.01.31"]
[Round "6.4"]
[White "Mayer, Frank"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2331"]
[BlackElo "2212"]
[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 "Wiesbaden"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5 Bxc3+ 5. bxc3 Qa5 6. Ne2 Nc6 7. Be3 Nf6 8. f3 0-0 9. Qd2 Rd8 10. c4 Nb4 11. Kf2 d6 12. cxd6 Rxd6 13. Qc3 Ra6 14. Nd4 Qa3 15. Qxa3 Rxa3 16. c3 Nc6 17. Nb3 Be6 18. Be2 b6 19. Nd4 Ne5 20. Nxe6 fxe6 21. c5 Ned7 22. cxb6 axb6 23. Bc4 Rxc3 24. Bxe6+ Kf8 25. Rac1 Rxc1 26. Rxc1 Ke8 27. Rc2 Kd8 28. Rd2 Ke8 29. Rb2 Rb8 30. g4 Nf8 31. Bc4 N6d7 32. Bd5 Kd8 33. a4 Kc7 34. Rc2+ Kd8 35. Rc6 Ke8 36. Ke2 Kd8 37. h4 Ke8 38. Bf4 e5 39. Bd2 Kd8 40. Bb4 Rc8 41. Be7+ 1-0

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2009.01.18"]
[Round "5.4"]
[White "Wendling, Hannes"]
[Black "Roosen, Holger"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2132"]
[BlackElo "2212"]
[PlyCount "72"]
[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 "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Be3 Qa5 5. Qd2 Nc6 6. Nge2 cxd4 7. Nxd4 Nf6 8. Nb3 Qd8 9. Be2 0-0 10. 0-0-0 d6 11. f3 Be6 12. Bh6 a5 13. a4 Qb6 14. Bxg7 Kxg7 15. Nb5 Rfc8 16. N3d4 Nb4 17. Nxe6+ fxe6 18. c3 Rc5 19. Kb1 Na6 20. Qd4 e5 21. Qe3 Rxb5 22. Qd2 Rc5 23. h4 Rac8 24. h5 Rxc3 25. hxg6 Rc2 26. Qh6+ Kh8 27. Bb5 Qf2 28. Ka1 Nc5 29. Rb1 Nb3+ 30. Ka2 Nd2 31. g7+ Kg8 32. Bd7 Kf7 33. Qh3 Kxg7 34. Bxc8 Qd4 35. f4 Qc4+ 36. Ka1 Nb3+ 0-1

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2008.12.14"]
[Round "4.3"]
[White "Roosen, Holger"]
[Black "Tazbir, Marcin"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2212"]
[BlackElo "2482"]
[PlyCount "64"]
[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 "Griesheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. g3 f5 3. Bg2 Nf6 4. Nf3 d6 5. 0-0 Be7 6. d3 0-0 7. Nc3 Qe8 8. Bg5 Nbd7 9. e3 Bd8 10. b4 Qg6 11. Bxf6 Nxf6 12. c5 Kh8 13. Rc1 a6 14. a4 Rb8 15. b5 Qe8 16. Qb3 Be6 17. Qb4 Be7 18. Qa5 Nd7 19. bxa6 Nxc5 20. a7 Ra8 21. Nd2 b6 22. Qb5 Bd7 23. Qc4 c6 24. d4 d5 25. Nxd5 cxd5 26. Bxd5 exd4 27. exd4 Bc6 28. dxc5 Bxc5 29. Bxc6 Qxc6 30. Qb5 Qb7 31. Nb3 Qxa7 32. a5 f4 1/2-1/2

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2008.11.30"]
[Round "3.5"]
[White "Rubel, Julian"]
[Black "Roosen, Holger"]
[Result "0-1"]
[ECO "A70"]
[WhiteElo "2179"]
[BlackElo "2212"]
[PlyCount "102"]
[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 "Steinbach"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Nf6 6. Bd3 0-0 7. h3 e6 8. Nf3 exd5 9. cxd5 a6 10. a4 Nbd7 11. Bf4 Ne8 12. 0-0 Rb8 13. Re1 Ne5 14. Nxe5 Bxe5 15. Qd2 Bd7 16. Bh6 Ng7 17. f4 Bd4+ 18. Kh2 Re8 19. Ne2 Bf6 20. Ng1 Qb6 21. Re2 Rbc8 22. Bc4 Qc7 23. a5 Bb5 24. Qd3 Bxc4 25. Qxc4 g5 26. Bxg5 Bxg5 27. fxg5 Qe7 28. Nf3 Nf5 29. Rae1 Nd4 30. Nxd4 Qe5+ 31. Kh1 cxd4 32. Qd3 Rc5 33. Qd2 Rec8 34. Rd1 Rc2 35. Qd3 Rxe2 36. Qxe2 Rc5 37. Rf1 Qxg5 38. Rf5 Qg3 39. Qf1 Qe3 40. Kh2 Rc1 41. Qf2 Qxf2 42. Rxf2 Re1 43. Rd2 Rxe4 44. Kg3 f5 45. Kf3 Kf7 46. g4 Kf6 47. b4 Ke5 48. gxf5 Kxf5 49. Rd1 Ke5 50. b5 axb5 51. Rb1 d3 0-1

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2008.11.29"]
[Round "2.4"]
[White "Wendel, Stefan"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "2231"]
[BlackElo "2212"]
[PlyCount "31"]
[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 "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nf3 c5 4. dxc5 Qa5+ 5. c3 Qxc5 6. Na3 Nf6 7. Nb5 Qb6 8. Be3 Qd8 9. e5 Ng4 10. Bxa7 Nc6 11. Bd4 Ngxe5 12. Nxe5 Bxe5 13. Bxe5 Nxe5 14. Qd4 f6 15. f4 Nc6 16. Qe3 1/2-1/2

[Event "Oberliga Ost-B 0809"]
[Site "Germany"]
[Date "2008.10.26"]
[Round "1.5"]
[White "Schneider, Heiko"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2223"]
[BlackElo "2212"]
[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 "Moerlenbach"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Be3 Nc6 5. dxc5 Nf6 6. f4 Qa5 7. Bd3 d5 8. cxd6 exd6 9. Nge2 0-0 10. Qd2 Bg4 11. 0-0 Rfe8 12. Nd4 Nxd4 13. Bxd4 Qb4 14. Be3 Rac8 15. a3 Qa5 16. h3 Qh5 17. Rae1 Be6 18. Bxa7 b6 19. Bxb6 Rb8 20. Be2 Qh6 21. Be3 Qh4 22. Rf3 Rxb2 23. Bf2 Qh6 24. Rd3 Bc4 25. Rxd6 Bxe2 26. Rxe2 Bf8 27. Rxf6 Qg7 28. e5 Be7 29. Nd5 Bd8 30. Kh2 Rb5 31. Rd6 Ba5 32. Qd3 Rbb8 33. Nf6+ Kf8 34. Bc5 Rec8 35. Rc6# 1-0

[Event "Oberliga Ost-B 0708"]
[Site "Germany"]
[Date "2008.04.06"]
[Round "9.6"]
[White "Weiss, Matthias"]
[Black "Roosen, Holger"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2046"]
[BlackElo "2216"]
[PlyCount "114"]
[EventDate "2007.10.07"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Schoeneck II"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5 Bxc3+ 5. bxc3 Qa5 6. Qd4 Nf6 7. Qb4 Qc7 8. Bd3 Na6 9. Bxa6 bxa6 10. Ne2 a5 11. Qd4 e5 12. Qd6 Qxd6 13. cxd6 Nxe4 14. Ba3 Ba6 15. f3 Ng5 16. f4 exf4 17. Nxf4 Bc4 18. 0-0-0 0-0 19. h4 Ne6 20. Nd5 Bxd5 21. Rxd5 Rfc8 22. Rxa5 Rxc3 23. Bb2 Rc6 24. h5 Rxd6 25. Rd1 Rxd1+ 26. Kxd1 a6 27. Bf6 Kf8 28. Kd2 Nc7 29. Kd3 d6 30. c4 Ne6 31. g3 Nc5+ 32. Kd4 Ke8 33. Kd5 Kd7 34. Bd4 Ne6 35. hxg6 Nc7+ 36. Ke4 hxg6 37. c5 Re8+ 38. Kd3 d5 39. Be3 Ra8 40. Bf4 Ne6 41. Be3 Kc6 42. Bd4 f5 43. Be3 g5 44. Bf2 f4 45. gxf4 gxf4 46. Bg1 Kb7 47. Bf2 Ng5 48. Ra4 Ne4 49. Rxe4 dxe4+ 50. Kxe4 Re8+ 51. Kxf4 Re2 52. Bd4 Rxa2 53. Ke4 Kc6 54. Bg1 Ra5 55. Kd3 Rb5 56. Kc4 a5 57. Bd4 a4 0-1

[Event "Oberliga Ost-B 0708"]
[Site "Germany"]
[Date "2008.01.20"]
[Round "7.6"]
[White "Wendling, Hannes"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2137"]
[BlackElo "2216"]
[PlyCount "105"]
[EventDate "2007.10.07"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bb4 5. e3 0-0 6. Nge2 Re8 7. Qc2 d6 8. 0-0 Bg4 9. a3 Bxc3 10. Nxc3 Qd7 11. b3 Bh3 12. Nd5 Nxd5 13. Bxh3 Qxh3 14. cxd5 Ne7 15. Qxc7 Nxd5 16. Qxb7 Qe6 17. b4 a5 18. bxa5 Reb8 19. Qc6 Rxa5 20. Qc4 e4 21. d3 exd3 22. Qxd3 Nf6 23. f3 Rd5 24. Qc4 Rc8 25. Qb3 Qh3 26. Rf2 Rc3 27. Qa4 Rc4 28. Qa8+ Rc8 29. Qa4 h5 30. Bb2 Qe6 31. Qb3 Qe7 32. Kg2 Ra5 33. e4 Nd7 34. Bc3 Nc5 35. Qd5 Rb5 36. Bb4 Qb7 37. Qxd6 Rb6 38. Qd1 Ne6 39. Rd2 Rbc6 40. Qe2 h4 41. Rad1 Rc4 42. Qe3 Qb5 43. Rd5 Rc2+ 44. R1d2 Rxd2+ 45. Rxd2 h3+ 46. Kf2 Qe5 47. Qe1 Qb5 48. f4 Rc4 49. Qe3 Qb7 50. Re2 f5 51. Qd3 Rd4 52. Qc2 fxe4 53. Bc3 1/2-1/2

[Event "Oberliga Ost-B 0708"]
[Site "Germany"]
[Date "2008.01.19"]
[Round "6.6"]
[White "Roosen, Holger"]
[Black "Reichel, Norbert"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2216"]
[BlackElo "2186"]
[PlyCount "50"]
[EventDate "2007.10.07"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Erfurt Medizin"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. Nf3 d5 6. cxd5 Nxd5 7. 0-0 Nc6 8. Nxd5 Qxd5 9. d3 Qb5 10. Rb1 Be6 11. b3 a5 12. Bf4 Qb6 13. Nd2 Rac8 14. Nc4 Qa6 15. Rc1 Nb4 16. Qd2 b5 17. Ne3 c6 18. a3 Nd5 19. Nxd5 Bxd5 20. Bxd5 cxd5 21. Bc7 a4 22. bxa4 Qxa4 23. Qb4 Rfe8 24. Rc5 e6 25. Rfc1 Bf8 1/2-1/2

[Event "Oberliga Ost-B 0708"]
[Site "Germany"]
[Date "2007.12.09"]
[Round "5.5"]
[White "Boehmer, Christian"]
[Black "Roosen, Holger"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2176"]
[BlackElo "2216"]
[PlyCount "56"]
[EventDate "2007.10.07"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Moerlenbach"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 b6 2. d4 e6 3. Bd3 Bb7 4. Nf3 Nf6 5. Nbd2 c5 6. Qe2 Nc6 7. c3 cxd4 8. Nxd4 d6 9. N2f3 Be7 10. Bb5 Qc7 11. e5 Nd7 12. exd6 Qxd6 13. Be3 0-0 14. 0-0-0 Qc7 15. Qc4 Nc5 16. Bxc6 Bxc6 17. Nxc6 Qxc6 18. Ne5 Qxg2 19. Rhg1 Qxh2 20. Ng4 Qh5 21. Bd4 Rfd8 22. Qe2 Qg5+ 23. Kb1 Kf8 24. Ka1 Qf4 25. Ne5 Bf6 26. Rg4 Qf5 27. Rdg1 Rd5 28. f4 Nb3+ 0-1

[Event "Oberliga Ost-B 0708"]
[Site "Germany"]
[Date "2007.11.04"]
[Round "3.5"]
[White "Roosen, Holger"]
[Black "Tischendorf, Michael"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2216"]
[BlackElo "2198"]
[PlyCount "36"]
[EventDate "2007.10.07"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Hofheim II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 b6 2. Nc3 e6 3. a3 Bb7 4. Nf3 f5 5. d4 Nf6 6. d5 Bd6 7. g3 0-0 8. Bg2 a5 9. 0-0 Qe7 10. Nb5 e5 11. Nxd6 Qxd6 12. b3 Qe7 13. Bb2 d6 14. Qc2 Ne8 15. b4 Nd7 16. Bh3 g6 17. Rad1 Ng7 18. Bc1 Nf6 1/2-1/2

[Event "Oberliga Ost-B 0708"]
[Site "Germany"]
[Date "2007.11.03"]
[Round "2.5"]
[White "Herges, Udo"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "2082"]
[BlackElo "2216"]
[PlyCount "114"]
[EventDate "2007.10.07"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Oberursel"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 g6 2. e4 Bg7 3. d4 c5 4. dxc5 Qa5+ 5. c3 Qxc5 6. Be3 Qc7 7. Bd3 Nf6 8. Na3 Nc6 9. 0-0 0-0 10. Qd2 d5 11. Nb5 Qb8 12. exd5 Nxd5 13. Bh6 Rd8 14. Rad1 Bg4 15. Bxg7 Bxf3 16. gxf3 Kxg7 17. c4 Nf4 18. Qe3 Nxd3 19. Rxd3 Rxd3 20. Qxd3 Qe5 21. Qe3 Qxb2 22. Rd1 Qb4 23. Rd7 Qxc4 24. Rxb7 a6 25. Qc3+ Qxc3 26. Nxc3 Ra7 27. Rb6 Nd4 28. f4 Rc7 29. Nd5 Rc6 30. Rb7 e6 31. Nb4 Rc1+ 32. Kg2 Rb1 33. Rb8 a5 34. Nc6 Rxb8 35. Nxb8 Kf6 36. Nd7+ Kf5 37. Ne5 Kxf4 38. Nxf7 a4 39. Nd6 Nc2 40. Nb5 a3 41. Kf1 e5 42. Nd6 h5 43. Ke2 e4 44. Nc4 g5 45. Kd1 Nb4 46. Ke2 Nxa2 47. Nxa3 Nc1+ 48. Kf1 Nd3 49. Nc4 Kg4 50. Kg2 Nf4+ 51. Kf1 Kh3 52. Kg1 Nd3 53. Nd2 Nxf2 54. Kxf2 Kxh2 55. Nxe4 g4 56. Ng3 h4 57. Nf1+ Kh3 1/2-1/2

[Event "Oberliga Ost-B 0708"]
[Site "Germany"]
[Date "2007.10.07"]
[Round "1.5"]
[White "Roosen, Holger"]
[Black "Guenther, Peter"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2216"]
[BlackElo "2271"]
[PlyCount "50"]
[EventDate "2007.10.07"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Frankfurt BvK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 g6 2. g3 Bg7 3. Bg2 Nc6 4. Nc3 e5 5. d3 d6 6. Rb1 Be6 7. b4 Qd7 8. h3 f5 9. b5 Nd8 10. Bb2 Nf6 11. e3 0-0 12. Nge2 c6 13. bxc6 bxc6 14. f4 Rb8 15. 0-0 exf4 16. gxf4 Re8 17. Nd4 Bf7 18. Re1 Nh5 19. Qd2 Nxf4 20. Nxc6 Rxb2 21. Rxb2 Nxg2 22. Kxg2 Nxc6 23. Rb5 Qe7 24. Nd5 Qg5+ 25. Kf1 Nd4 0-1

[Event "Oberliga Ost-B 0607"]
[Site "Germany"]
[Date "2007.02.25"]
[Round "7.7"]
[White "Roosen, Holger"]
[Black "Lange, Klaus"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2202"]
[BlackElo "2177"]
[PlyCount "73"]
[EventDate "2006.10.15"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Wiesbaden"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Qb3 e6 5. Nc3 Bd6 6. Be2 0-0 7. d3 Nbd7 8. 0-0 Rb8 9. e4 dxe4 10. dxe4 Qc7 11. h3 b6 12. Nd4 Bb7 13. Qc2 Bf4 14. Bf3 Ne5 15. Be2 Ng6 16. b3 c5 17. Nf3 Bxc1 18. Raxc1 Qf4 19. Qd2 Rfd8 20. Qxf4 Nxf4 21. e5 Ne4 22. Rfe1 Nd2 23. Nxd2 Rxd2 24. Bf1 Bc6 25. g3 Ng6 26. f4 Rbd8 27. Rcd1 Ne7 28. Rxd2 Rxd2 29. Rd1 Rxd1 30. Nxd1 Nf5 31. Kf2 Kf8 32. Bd3 Nd4 33. Nc3 h6 34. Ne2 Nxe2 35. Kxe2 Ke7 36. Ke3 Kd7 37. Be2 1/2-1/2

[Event "Oberliga Ost-B 0607"]
[Site "Germany"]
[Date "2007.02.24"]
[Round "6.7"]
[White "Becker, Wladimir"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "2181"]
[BlackElo "2202"]
[PlyCount "46"]
[EventDate "2006.10.15"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]
[WhiteTeam "Dotzheim"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. g3 Nc6 3. Bg2 Nf6 4. Nc3 Bb4 5. Nf3 0-0 6. 0-0 Re8 7. d3 Bxc3 8. bxc3 e4 9. Nd4 d5 10. Nxc6 bxc6 11. Bg5 h6 12. Bxf6 Qxf6 13. Qa4 exd3 14. exd3 Bf5 15. cxd5 Bxd3 16. Rfd1 Re2 17. Qd4 Qxd4 18. cxd4 Bc2 19. Re1 Rxe1+ 20. Rxe1 cxd5 21. Rc1 Bf5 22. Bxd5 Rd8 23. Bb3 Rxd4 1/2-1/2

[Event "Oberliga Ost-B 0607"]
[Site "Germany"]
[Date "2007.02.04"]
[Round "5.5"]
[White "Roosen, Holger"]
[Black "Baum, Bernd"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2202"]
[BlackElo "2179"]
[PlyCount "66"]
[EventDate "2006.10.15"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Erfurt SK II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c6 2. g3 d5 3. b3 Nf6 4. Nf3 Bg4 5. Bg2 Nbd7 6. Bb2 e6 7. 0-0 Bd6 8. Na3 0-0 9. d3 Re8 10. Nc2 Qb6 11. Rb1 Rad8 12. Ne3 Bh5 13. b4 Qc7 14. a4 Ne5 15. c5 Nxf3+ 16. Bxf3 Be5 17. d4 Bg6 18. dxe5 Bxb1 19. exf6 Bg6 20. Qd4 e5 21. Qh4 gxf6 22. Ng4 Re6 23. Nh6+ Kf8 24. Bg4 f5 25. Nxf5 h5 26. Bc1 Rb8 27. Bh3 b6 28. Qg5 Bxf5 29. Bxf5 bxc5 30. Bxe6 fxe6 31. Qf6+ Ke8 32. Qxe6+ Qe7 33. Qxc6+ Qd7 1-0

[Event "Oberliga Ost-B 0607"]
[Site "Germany"]
[Date "2007.01.07"]
[Round "9.6"]
[White "Tennstedt, Andreas"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2222"]
[BlackElo "2202"]
[PlyCount "32"]
[EventDate "2006.10.15"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]
[WhiteTeam "Griesheim"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 c6 5. e4 dxe4 6. Nxe4 Nf6 7. Bd3 Nxe4 8. Bxe4 Nd7 9. 0-0 0-0 10. Qe2 Re8 11. Rd1 Nf8 12. Ne5 f6 13. Nf3 Qc7 14. g3 c5 15. Bf4 Qb6 16. Be3 Qc7 1/2-1/2

[Event "Oberliga Ost-B 0607"]
[Site "Germany"]
[Date "2006.12.10"]
[Round "4.6"]
[White "Roosen, Holger"]
[Black "Schracke, Guido"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2202"]
[BlackElo "2227"]
[PlyCount "57"]
[EventDate "2006.10.15"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Hungen Lich"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. g3 e5 3. Bg2 Nc6 4. Nf3 d6 5. Nc3 g6 6. 0-0 Bg7 7. Rb1 0-0 8. b4 Nh5 9. b5 Ne7 10. d3 h6 11. Nd2 f5 12. Qb3 Kh8 13. c5 f4 14. cxd6 cxd6 15. Ba3 Nf5 16. Nde4 Nf6 17. Nxf6 Rxf6 18. Ne4 Re6 19. Qd5 Bf8 20. gxf4 Nd4 21. e3 Qa5 22. Bxd6 Ne2+ 23. Kh1 Bxd6 24. Nxd6 Nc3 25. Nxb7 Qb6 26. Qd8+ Kg7 27. Qxb6 Rxb6 28. Rbc1 Nxb5 29. Nd6 1-0

[Event "Oberliga Ost-B 0607"]
[Site "Germany"]
[Date "2006.11.19"]
[Round "3.7"]
[White "Zunker, Reinhard"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2201"]
[BlackElo "2202"]
[PlyCount "47"]
[EventDate "2006.10.15"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]
[WhiteTeam "Hofheim II"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. h3 0-0 8. Qd2 Nxd4 9. Bxd4 Qa5 10. 0-0-0 Nxe4 11. Nxe4 Qxa2 12. Nc3 Qa1+ 13. Nb1 e5 14. Be3 d5 15. Bh6 Bf5 16. Bxg7 Rfc8 17. Bd3 e4 18. Bxe4 Bxe4 19. Bc3 Rc6 20. f3 Bf5 21. g4 Rxc3 22. bxc3 Be6 23. Qd4 a5 24. Qb6 1-0

[Event "Oberliga Ost-B 0607"]
[Site "Germany"]
[Date "2006.11.18"]
[Round "2.6"]
[White "Herges, Udo"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2087"]
[BlackElo "2202"]
[PlyCount "104"]
[EventDate "2006.10.15"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]
[WhiteTeam "Oberursel"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 Nf6 4. 0-0 0-0 5. d3 d6 6. e4 Bd7 7. c3 Qc8 8. Re1 Nc6 9. d4 Bg4 10. Nbd2 e5 11. dxe5 Nxe5 12. Qc2 Bh3 13. Nxe5 dxe5 14. Nf3 Bxg2 15. Kxg2 Nh5 16. h3 h6 17. Qb3 Kh7 18. Be3 f5 19. Bc5 fxe4 20. Rxe4 Qf5 21. Bxf8 Rxf8 22. Re3 e4 23. Qxb7 exf3+ 24. Rxf3 Qc5 25. Rxf8 Bxf8 26. Rd1 Bd6 27. Rd5 Qb6 28. Rb5 Qxb7+ 29. Rxb7 a6 30. Ra7 Nf6 31. Kf3 Kg7 32. Rxa6 Nd7 33. Rxd6 cxd6 34. Ke4 Nb6 35. b3 Kf7 36. a4 Ke6 37. a5 Nd7 38. b4 d5+ 39. Kd4 Kd6 40. b5 Nc5 41. a6 Ne6+ 42. Ke3 Kc5 43. a7 Nc7 44. f4 Kxb5 45. g4 Kb6 46. Kd4 Kxa7 47. Ke5 Kb6 48. Kd6 Nb5+ 49. Kxd5 Nxc3+ 50. Ke5 Kc6 51. Kf6 Nd5+ 52. Kxg6 Nxf4+ 1/2-1/2

[Event "Oberliga Ost-B 0607"]
[Site "Germany"]
[Date "2006.10.15"]
[Round "1.7"]
[White "Guenther, Peter"]
[Black "Roosen, Holger"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2242"]
[BlackElo "2202"]
[PlyCount "54"]
[EventDate "2006.10.15"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]
[WhiteTeam "Frankfurt BvK"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 c6 5. d4 Bg4 6. Be2 Nf6 7. h3 Bxf3 8. Bxf3 e6 9. Be3 Nbd7 10. 0-0 Qc7 11. Qe2 Nb6 12. a4 Be7 13. a5 Nbd5 14. Nxd5 exd5 15. c4 0-0 16. Rfc1 Qd7 17. c5 a6 18. Bf4 Rfe8 19. Qd3 Bd8 20. Qb3 Bc7 21. Bg5 Ne4 22. Be3 Re7 23. Kf1 Rae8 24. Qxb7 Ng3+ 25. fxg3 Rxe3 26. Ra3 Re1+ 27. Rxe1 Rxe1+ 0-1

[Event "Oberliga Ost-B 0506"]
[Site "Germany"]
[Date "2006.04.01"]
[Round "10.4"]
[White "Holfelder, Hans Joachim"]
[Black "Roosen, Holger"]
[Result "0-1"]
[ECO "E70"]
[WhiteElo "2238"]
[BlackElo "2192"]
[PlyCount "62"]
[EventDate "2005.11.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]
[WhiteTeam "Wiesbaden"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 0-0 5. f4 c5 6. e5 Ne8 7. d5 d6 8. Nf3 Bg4 9. exd6 exd6 10. Be2 Bxf3 11. Bxf3 Qh4+ 12. g3 Qh3 13. Qe2 Nf6 14. Bg2 Qf5 15. 0-0 Re8 16. Qd1 Ng4 17. Nb5 a6 18. h3 axb5 19. hxg4 Qd7 20. cxb5 Qxb5 21. f5 Nd7 22. g5 Bxb2 23. Bxb2 Qxb2 24. Rb1 Qxa2 25. fxg6 hxg6 26. Qf3 Re7 27. Qc3 Re2 28. Bf3 Rc2 29. Qe3 Ne5 30. Be4 Re2 31. Qf4 Qc4 0-1

[Event "Oberliga Ost-B 0506"]
[Site "Germany"]
[Date "2006.03.12"]
[Round "9.4"]
[White "Roosen, Holger"]
[Black "Vogel, Alfred"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2192"]
[BlackElo "2036"]
[PlyCount "67"]
[EventDate "2005.11.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Soemmerda"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. g3 f5 3. Bg2 Nf6 4. Nc3 Be7 5. Nf3 Nc6 6. d3 d6 7. 0-0 0-0 8. e3 Kh8 9. Rb1 a5 10. a3 Be6 11. b4 axb4 12. axb4 e4 13. Nd4 Nxd4 14. exd4 d5 15. c5 c6 16. f3 exf3 17. Qxf3 Qd7 18. Qe2 Bd8 19. Bf4 Bf7 20. Qd2 Bg6 21. b5 Ba5 22. b6 Rfe8 23. Qc2 Bxc3 24. Qxc3 h6 25. Qd2 Ra4 26. Rbe1 Rea8 27. Rf2 Bh5 28. Bh3 Ra1 29. Rff1 R1a2 30. Qe3 Re8 31. Be5 Bg6 32. Qf4 Nh5 33. Qxh6+ Bh7 34. Bxf5 1-0

[Event "Oberliga Ost-B 0506"]
[Site "Germany"]
[Date "2006.02.19"]
[Round "8.4"]
[White "Bravo Lutz, Sebastian"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2187"]
[BlackElo "2192"]
[PlyCount "38"]
[EventDate "2005.11.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]
[WhiteTeam "Hungen Lich"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. Nf3 Bg7 3. d3 Nf6 4. g3 0-0 5. Bg2 d6 6. 0-0 Nc6 7. Nc3 Bd7 8. h3 Qc8 9. Kh2 e5 10. Be3 Nh5 11. d4 f5 12. exf5 Bxf5 13. dxe5 dxe5 14. Qe2 Re8 15. Qc4+ Be6 16. Qa4 Bd7 17. Qc4+ Be6 18. Qa4 Bd7 19. Qc4+ Be6 1/2-1/2

[Event "Oberliga Ost-B 0506"]
[Site "Germany"]
[Date "2006.01.28"]
[Round "6.4"]
[White "Schneider, Heiko"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2206"]
[BlackElo "2192"]
[PlyCount "85"]
[EventDate "2005.11.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]
[WhiteTeam "Moerlenbach"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Bd3 Bb4 5. Nge2 Nf6 6. 0-0 Nc6 7. e5 Bxc3 8. Nxc3 Nd5 9. Qg4 Kf8 10. Bg5 Nde7 11. Rad1 h6 12. Qh4 Rg8 13. Be3 Nd5 14. Qh5 Nxc3 15. bxc3 Ne7 16. f4 f5 17. exf6 gxf6 18. Qxh6+ Kf7 19. Qh5+ Kf8 20. g3 f5 21. c4 Qe8 22. Qh6+ Kf7 23. Be2 Qf8 24. Bh5+ Ng6 25. Qh7+ Kf6 26. d5 Qf7 27. Qh6 Ke7 28. Rfe1 Qg7 29. Qxg7+ Rxg7 30. Bd4 Rgg8 31. Kf2 Ba6 32. Bf3 Bxc4 33. dxe6 d5 34. h4 c6 35. h5 Nh8 36. a4 Raf8 37. Be5 Rd8 38. a5 Rc8 39. Rb1 b5 40. a6 c5 41. Rbd1 Rc6 42. Bxd5 Bxd5 43. Rxd5 1-0

[Event "Oberliga Ost-B 0506"]
[Site "Germany"]
[Date "2006.01.15"]
[Round "5.4"]
[White "Roosen, Holger"]
[Black "Rubel, Julian"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2192"]
[BlackElo "2076"]
[PlyCount "89"]
[EventDate "2005.11.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Steinbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. g3 Nf6 3. Nc3 e6 4. Nf3 b6 5. Bg2 Bb7 6. 0-0 Be7 7. Re1 d6 8. e4 a6 9. d4 cxd4 10. Nxd4 Qc7 11. Be3 Nbd7 12. Rc1 Rc8 13. h3 Qb8 14. b3 Qa8 15. Bd2 0-0 16. Bf4 Rfe8 17. Nf3 Red8 18. Qe2 Nc5 19. Nd2 Bf8 20. Be3 Re8 21. Bd4 Be7 22. f4 g6 23. Kh2 Rcd8 24. b4 Ncd7 25. Qf2 Rb8 26. e5 Nh5 27. Bxb7 Qxb7 28. g4 Ng7 29. exd6 Bxd6 30. Bxg7 Qc7 31. Bh6 Bxb4 32. Nce4 Rbc8 33. Qd4 e5 34. Qb2 Be7 35. Nf3 f6 36. fxe5 Nxe5 37. Nxe5 fxe5 38. Qd2 Rcd8 39. Qf2 Rf8 40. Bxf8 Rxf8 41. Qe2 Rf4 42. Rf1 Qc6 43. Rxf4 exf4 44. Qd3 Qc7 45. Kg2 1-0

[Event "Oberliga Ost-B 0506"]
[Site "Germany"]
[Date "2005.12.11"]
[Round "4"]
[White "Wendel, Stefan"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2217"]
[BlackElo "2191"]
[PlyCount "57"]
[EventDate "2005.11.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 109 Extra"]
[Source "ChessBase"]
[SourceDate "2006.01.03"]
[SourceVersion "2"]
[SourceVersionDate "2006.01.03"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 c5 4. dxc5 Nf6 5. e5 Ng4 6. Qd4 Nxe5 7. Nxe5 d6 8. Qa4+ Nc6 9. Nxc6 bxc6 10. Be2 0-0 11. 0-0 dxc5 12. c3 Be6 13. Qxc6 Rc8 14. Qe4 Bd5 15. Qh4 Rc7 16. Rd1 Qa8 17. Qg3 e5 18. c4 Bc6 19. Nc3 f5 20. Nd5 Rb7 21. Qh4 Bxd5 22. cxd5 Rb4 23. Qe7 Rc8 24. d6 Re8 25. Qc7 Rc8 26. Qa5 Rd4 27. Be3 Qc6 28. Bxd4 cxd4 29. Ba6 1-0

[Event "Oberliga Ost-B 0506"]
[Site "Germany"]
[Date "2005.11.27"]
[Round "3"]
[White "Fiedler, Torsten"]
[Black "Roosen, Holger"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2339"]
[BlackElo "2191"]
[PlyCount "73"]
[EventDate "2005.11.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 109 Extra"]
[Source "ChessBase"]
[SourceDate "2006.01.03"]
[SourceVersion "2"]
[SourceVersionDate "2006.01.03"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. c4 c5 4. d5 d6 5. Nc3 Nf6 6. f3 0-0 7. Bg5 Qa5 8. Qd2 a6 9. Nge2 b5 10. Nc1 bxc4 11. Bxc4 Qb4 12. Be2 Nbd7 13. Nd3 Qa5 14. 0-0 Rb8 15. Rac1 h6 16. Be3 Nb6 17. b3 e6 18. dxe6 fxe6 19. e5 Nfd7 20. exd6 c4 21. Nf4 Ne5 22. Qc2 Nd5 23. Ncxd5 exd5 24. bxc4 d4 25. Bd2 Qc5 26. Nd3 Qxd6 27. c5 Qc7 28. Nxe5 Qxe5 29. Rfe1 Qf6 30. Bd3 g5 31. c6 g4 32. Rf1 Qd6 33. c7 Rb7 34. Be4 Rb5 35. fxg4 Rxf1+ 36. Rxf1 Rc5 37. Qb3+ 1-0

[Event "Oberliga Ost-B 0506"]
[Site "Germany"]
[Date "2005.11.26"]
[Round "2"]
[White "Roosen, Holger"]
[Black "Aepfler, Christian"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2191"]
[BlackElo "2268"]
[PlyCount "71"]
[EventDate "2005.11.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 109 Extra"]
[Source "ChessBase"]
[SourceDate "2006.01.03"]
[SourceVersion "2"]
[SourceVersionDate "2006.01.03"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. 0-0 0-0 6. Qc2 c5 7. d3 Nc6 8. a3 e5 9. cxd5 Nxd5 10. Nc3 Be6 11. Bd2 Rc8 12. Rac1 h6 13. Nxd5 Bxd5 14. Bc3 Qd6 15. Nd2 Bxg2 16. Kxg2 Qd5+ 17. Kg1 Bg5 18. h4 Bxd2 19. Qxd2 Rfd8 20. Qe3 Nd4 21. Bxd4 Qxd4 22. Qxd4 cxd4 23. f4 exf4 24. Rxc8 Rxc8 25. Rxf4 Rc2 26. Kf2 Rxb2 27. Rxd4 h5 28. Rb4 Rxb4 29. axb4 Kf8 30. Ke3 Ke7 31. Ke4 Ke6 32. e3 a6 33. Kd4 b6 34. Kc4 Kd6 35. d4 f5 36. Kb3 1/2-1/2

[Event "Oberliga Ost-B 0506"]
[Site "Germany"]
[Date "2005.11.13"]
[Round "1"]
[White "Roosen, Holger"]
[Black "Beha, Alfred"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2191"]
[BlackElo "2225"]
[PlyCount "71"]
[EventDate "2005.11.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 109 Extra"]
[Source "ChessBase"]
[SourceDate "2006.01.03"]
[SourceVersion "2"]
[SourceVersionDate "2006.01.03"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 c6 5. d3 d5 6. cxd5 cxd5 7. Qb3 e6 8. Nf3 0-0 9. 0-0 Nbd7 10. Bf4 Nc5 11. Qa3 Na6 12. Rfc1 Bd7 13. Bd6 Re8 14. b4 Bf8 15. b5 Bxd6 16. Qxd6 Nc7 17. a4 Rf8 18. Ne5 Nce8 19. Qc5 Bc8 20. e4 dxe4 21. dxe4 Qd6 22. Qxd6 Nxd6 23. Rd1 Nfe8 24. Nd7 Bxd7 25. e5 Bxb5 26. axb5 Nc4 27. Bxb7 Rb8 28. Rxa7 Nxe5 29. f4 Nc4 30. Ne4 h6 31. Bc6 Kg7 32. Nc5 Kg8 33. Nd7 Rd8 34. Rc1 Rxd7 35. Rxd7 Nb6 36. Rb7 1-0

[Event "Oberliga Ost-B 0405"]
[Site "Germany"]
[Date "2005.03.13"]
[Round "9.8"]
[White "Haefner, Klaus"]
[Black "Roosen, Holger"]
[Result "1/2-1/2"]
[ECO "B27"]
[BlackElo "2199"]
[PlyCount "66"]
[EventDate "2004.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]
[WhiteTeam "Moerlenbach"]
[BlackTeam "Offenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Be2 Qb6 5. c3 cxd4 6. Nxd4 Nc6 7. Nb3 Nf6 8. Be3 Qc7 9. N1d2 0-0 10. 0-0 d5 11. Bf3 dxe4 12. Nxe4 Bf5 13. Nxf6+ Bxf6 14. Qe2 Rad8 15. Rfd1 Ne5 16. Nd4 a6 17. Nxf5 gxf5 18. Bf4 Nxf3+ 19. Qxf3 Qb6 20. Bh6 Rfe8 21. Rxd8 Rxd8 22. Qe2 Qd6 23. g3 e5 24. Qh5 Qd3 25. Bg5 Rd6 26. Bxf6 Rxf6 27. Rd1 Qc2 28. Rd8+ Kg7 29. Qg5+ Rg6 30. Qe7 Qb1+ 31. Kg2 Qe4+ 32. Kf1 Qb1+ 33. Kg2 Qe4+ 1/2-1/2

[Event "Oberliga Ost-B 0405"]
[Site "Germany"]
[Date "2004.11.14"]
[Round "3.8"]
[White "Roosen, Holger"]
[Black "Stockmann, Michael"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2199"]
[BlackElo "2242"]
[PlyCount "74"]
[EventDate "2004.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Schoeneck"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c6 2. e3 d5 3. Nf3 Nf6 4. Nc3 e6 5. b3 Nbd7 6. Be2 Bd6 7. 0-0 0-0 8. Bb2 a6 9. Rc1 e5 10. d3 b5 11. Qc2 Bb7 12. Rfd1 Ne8 13. a3 Nc7 14. b4 Ne6 15. Qb3 e4 16. dxe4 dxc4 17. Qc2 Bc7 18. e5 c5 19. Nd5 Bxd5 20. Rxd5 Qe7 21. bxc5 Ndxc5 22. Nd4 Nxd4 23. exd4 Ne6 24. Qf5 Ba5 25. Qf3 Rac8 26. Rd6 Rfd8 27. d5 c3 28. Bxc3 Nd4 29. Rxd8+ Qxd8 30. Bxd4 Rxc1+ 31. Bf1 Qc8 32. Bb2 Rb1 33. e6 fxe6 34. Qe2 exd5 35. Qe5 Qd7 36. g3 Bb6 37. Kg2 d4 0-1

[Event "Oberliga Ost-B 0304"]
[Site "Germany"]
[Date "2004.04.25"]
[Round "11.6"]
[White "Roosen, Holger"]
[Black "Richter, Gerhard"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2190"]
[BlackElo "2087"]
[PlyCount "18"]
[EventDate "2003.11.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]
[WhiteTeam "Offenbach"]
[BlackTeam "Jena Glas"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 b6 2. Qb3 Bb7 3. Nf3 e6 4. g3 f5 5. Bg2 Nf6 6. 0-0 Be7 7. d3 0-0 8. e4 fxe4 9. Ng5 Na6 1/2-1/2

