[Event "Rheinhausen-ch 19th"]
[Site "Duisburg Rheinhausen"]
[Date "2015.02.18"]
[Round "4"]
[White "Vogt, Michael1111"]
[Black "Buhren, Wolfgang"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1339"]
[BlackElo "1434"]
[PlyCount "93"]
[EventDate "2015.01.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. h3 a6 6. d4 e6 7. Be3 b5 8. Bd3 Bb7 9. 0-0 Be7 10. Be2 0-0 11. a3 Nbd7 12. Qd2 Rfd8 13. Rfd1 Qc6 14. Rac1 b4 15. Nb1 a5 16. c4 Ne5 17. Qc2 Ng6 18. Qb3 a4 19. Qc2 b3 20. Qc3 Ne4 21. Qe1 Qe8 22. Nc3 Nxc3 23. Rxc3 Nh4 24. Nxh4 Bxh4 25. Rcd3 Be4 26. R3d2 Bc2 27. Rc1 Bf6 28. Bd1 Be4 29. Bf4 Qc6 30. Bxc7 Rdc8 31. f3 Bxf3 32. Bxf3 Qxc7 33. Bxa8 Bg5 34. Bf3 Bxd2 35. Qxd2 Rd8 36. d5 Qb6+ 37. Qf2 Qb8 38. dxe6 fxe6 39. Qe3 Re8 40. c5 Qa7 41. Kf2 Qc7 42. Qe4 Kf8 43. Rc4 Rd8 44. Ke2 Qa5 45. Rd4 Qa6+ 46. Ke3 Rxd4 47. Qxd4 1-0

[Event "Rheinhausen-ch 19th"]
[Site "Duisburg Rheinhausen"]
[Date "2015.02.05"]
[Round "3"]
[White "Buhren, Wolfgang"]
[Black "Wiemann, Niklas"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1434"]
[BlackElo "1650"]
[PlyCount "94"]
[EventDate "2015.01.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 b6 3. Bf4 Bb7 4. e3 Nf6 5. Bd3 c5 6. c3 Nc6 7. Nbd2 Be7 8. h3 cxd4 9. exd4 Nh5 10. Bh2 Bg5 11. Ne4 Bf4 12. g3 Bc7 13. Qe2 Nf6 14. 0-0-0 Nxe4 15. Bxe4 f5 16. Bxf5 Qf6 17. g4 Bxh2 18. Rxh2 0-0 19. Be4 d5 20. Nd2 dxe4 21. Qxe4 Rac8 22. Kb1 Na5 23. Qe3 Nc4 24. Nxc4 Rxc4 25. Re1 Rcc8 26. Qxe6+ Qxe6 27. Rxe6 Rce8 28. Rxe8 Rxe8 29. f4 Re3 30. Kc1 Rf3 31. f5 Rg3 32. Rf2 Rxh3 33. Kd2 Rg3 34. f6 g6 35. c4 Rxg4 36. Kc3 Kf7 37. d5 h5 38. d6 Bc6 39. b4 g5 40. b5 Bd7 41. a4 Be6 42. Rd2 Rxc4+ 43. Kb3 Rd4+ 44. Kc3 Rxd2 45. Kxd2 h4 46. Ke3 h3 47. Kf2 Kxf6 0-1

[Event "Rheinhausen-ch 19th"]
[Site "Duisburg Rheinhausen"]
[Date "2015.01.18"]
[Round "2"]
[White "Moseler, Yasmin"]
[Black "Buhren, Wolfgang"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1086"]
[BlackElo "1434"]
[PlyCount "92"]
[EventDate "2015.01.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 dxe4 3. Nxe4 Bf5 4. Nc3 e6 5. Nf3 a6 6. d4 Bb4 7. Be2 h6 8. 0-0 Nf6 9. h3 Nc6 10. a3 Ba5 11. b4 Bb6 12. Be3 0-0 13. Qd2 Ne7 14. Rfd1 c6 15. Bd3 Bxd3 16. Qxd3 Ned5 17. Nxd5 cxd5 18. Qd2 Ne4 19. Qd3 Rc8 20. Rac1 Rc3 21. Qe2 Rxa3 22. Rd3 Rxd3 23. Qxd3 Qd6 24. c3 Bc7 25. Bd2 b5 26. Ra1 Ra8 27. Ne5 f6 28. Ng4 h5 29. Nxf6+ gxf6 30. g3 Qf8 31. Kg2 Nxd2 32. Qxd2 Qg7 33. Qd3 Kf7 34. Kh2 Qg6 35. Qxg6+ Kxg6 36. Re1 Kf7 37. f3 h4 38. f4 hxg3+ 39. Kxg3 Rg8+ 40. Kf3 f5 41. h4 Rg4 42. Rh1 Rxf4+ 43. Kg3 Rf1+ 44. Kg2 Rxh1 45. Kxh1 Kg6 46. Kg2 Bf4 0-1

[Event "Rheinhausen-ch 19th"]
[Site "Duisburg Rheinhausen"]
[Date "2015.01.09"]
[Round "1"]
[White "Buhren, Wolfgang"]
[Black "Moll, Reinhard"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1434"]
[BlackElo "1906"]
[PlyCount "84"]
[EventDate "2015.01.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. c3 Bg7 4. Nd2 d5 5. e3 0-0 6. h3 c5 7. dxc5 Nfd7 8. Ngf3 e5 9. Bg3 e4 10. Bd6 exf3 11. Bxf8 Qxf8 12. Qxf3 Qxc5 13. Nb3 Qd6 14. 0-0-0 Nf6 15. g4 Be6 16. g5 Nfd7 17. Nd4 Nc6 18. h4 Nxd4 19. exd4 h5 20. Bh3 Rc8 21. Qe3 Nb6 22. f4 Nc4 23. Qf2 Bxh3 24. Rxh3 Qe6 25. Rf3 Qf5 26. Re1 Bf8 27. Qc2 Qg4 28. Qf2 Nd6 29. Re5 Ne4 30. Qe3 Qd7 31. f5 Bg7 32. fxg6 fxg6 33. Rxe4 dxe4 34. Qxe4 Kh7 35. d5 Re8 36. Qd3 Be5 37. c4 b6 38. Qf1 Re7 39. b3 Kg7 40. Kb1 Qg4 41. Re3 Qd4 42. Rxe5 Qxe5 0-1

[Event "Rheinhausen-ch op 18th"]
[Site "Rheinhausen"]
[Date "2014.03.21"]
[Round "6"]
[White "Ridder, Thomas"]
[Black "Buhren, Wolfgang"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "1496"]
[BlackElo "1422"]
[PlyCount "30"]
[EventDate "2014.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 e5 3. Nf3 d6 4. Bc4 Be7 5. h3 a6 6. d4 exd4 7. Nxd4 b5 8. Bd5 Nxd5 9. exd5 0-0 10. 0-0 Bb7 11. Qf3 Bf6 12. Nc6 Bxc6 13. dxc6 Bxc3 14. Qxc3 a5 15. Bf4 Qe8 1/2-1/2

[Event "Rheinhausen-ch op 18th"]
[Site "Rheinhausen"]
[Date "2014.02.21"]
[Round "4"]
[White "Horst, Lothar"]
[Black "Buhren, Wolfgang"]
[Result "0-1"]
[ECO "D05"]
[BlackElo "1422"]
[PlyCount "110"]
[EventDate "2014.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Nbd2 c5 5. c3 c4 6. Be2 b5 7. Ne5 a6 8. Ndf3 Be7 9. 0-0 0-0 10. h3 Qc7 11. Nh2 Nbd7 12. f4 Ne4 13. Qe1 Bb7 14. Bf3 Ndf6 15. Nhg4 Nxg4 16. Nxg4 h5 17. Ne5 g6 18. g4 hxg4 19. Nxg4 Kg7 20. Bxe4 dxe4 21. Qg3 Rh8 22. Kg2 a5 23. Bd2 b4 24. Qf2 Rh5 25. Qe2 f6 26. Be1 Rah8 27. Rh1 g5 28. Bg3 Bd6 29. Raf1 gxf4 30. Bxf4 Bxf4 31. Rxf4 Rg5 32. Kf2 f5 33. Ne5 Bd5 34. Qf1 Kf6 35. h4 Rgg8 36. Qh3 Rh5 37. Rg1 Rxg1 38. Kxg1 Rh7 39. h5 bxc3 40. Qh4+ Kg7 41. Qg5+ Kf8 42. Qf6+ Kg8 43. Ng6 Qf7 44. Qxf7+ Kxf7 45. bxc3 Rxh5 46. Ne5+ Kf6 47. Rf2 Rh3 48. Re2 f4 49. Ng4+ Kf5 50. Nf2 Rxe3 51. Rxe3 fxe3 52. Nd1 e2 53. Ne3+ Kf4 54. Nc2 Kf3 55. Ne1+ Ke3 0-1

[Event "Rheinhausen-ch op 18th"]
[Site "Rheinhausen"]
[Date "2014.02.07"]
[Round "3"]
[White "Buhren, Wolfgang"]
[Black "Oberst, Alfred"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1422"]
[BlackElo "1232"]
[PlyCount "84"]
[EventDate "2014.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. Nf3 b6 2. e4 Bb7 3. d3 e6 4. Be2 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 Nc6 7. 0-0 Qf6 8. c3 0-0-0 9. Qe3 e5 10. Na3 Nge7 11. Nc4 d5 12. exd5 Nxd5 13. Qg5 Nf4 14. Qg4+ Kb8 15. Rfe1 b5 16. Ncd2 Nxd3 17. Bxd3 Rxd3 18. Ne4 Qg6 19. Qxg6 fxg6 20. Nc5 Rd5 21. Nxb7 Kxb7 22. Re4 Rhd8 23. Rae1 Re8 24. h4 h6 25. Kf1 Kb6 26. R1e2 Rd1+ 27. Re1 Rxe1+ 28. Kxe1 a5 29. g4 Kc5 30. Nd2 a4 31. b4+ axb3 32. axb3 b4 33. Rc4+ Kb5 34. cxb4 Nxb4 35. Rxc7 Rg8 36. Re7 Nc6 37. Rd7 g5 38. h5 g6 39. hxg6 Rxg6 40. Kf1 Kb4 41. Rb7+ Kc3 42. Nc4 Re6 1/2-1/2

[Event "Rheinhausen-ch op 18th"]
[Site "Rheinhausen"]
[Date "2014.01.24"]
[Round "2"]
[White "Bauer, Matthias"]
[Black "Buhren, Wolfgang"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1579"]
[BlackElo "1422"]
[PlyCount "63"]
[EventDate "2014.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Bc4 e6 5. Nf3 Nc6 6. c3 Nb6 7. Bd3 h6 8. Nbd2 Be7 9. 0-0 Nd5 10. Nc4 0-0 11. Nfe5 Bd7 12. Qg4 Nxe5 13. Nxe5 Nf6 14. Qe2 Be8 15. f4 c5 16. Be3 Rc8 17. f5 Nd5 18. fxe6 f6 19. Ng6 Bxg6 20. Bxg6 Nxe3 21. Bf7+ Kh8 22. Qxe3 cxd4 23. cxd4 Rc4 24. Rfd1 Qd5 25. Qf3 Rd8 26. Qxd5 Rxd5 27. Rac1 b5 28. b3 Rcxd4 29. Rxd4 Rxd4 30. Rc8+ Kh7 31. Kf1 Bd8 32. Rxd8 1-0

[Event "Rheinhausen-ch op 18th"]
[Site "Rheinhausen"]
[Date "2014.01.10"]
[Round "1"]
[White "Buhren, Wolfgang"]
[Black "Schless, Sebastian"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1422"]
[BlackElo "1834"]
[PlyCount "62"]
[EventDate "2014.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Bd3 d6 6. Nbd2 Nbd7 7. c3 Qe8 8. Qc2 e5 9. Bg3 Nh5 10. 0-0-0 f5 11. Qb3+ Kh8 12. Bb1 Nb6 13. dxe5 dxe5 14. Bh4 Be6 15. Qa3 Qb5 16. Bc2 Rfe8 17. b3 a5 18. c4 Qb4 19. Nb1 h6 20. h3 g5 21. Bxg5 hxg5 22. Qxb4 axb4 23. Nxg5 e4 24. Nxe6 Rxe6 25. g4 Nf6 26. gxf5 Re5 27. Nd2 Rxa2 28. Nxe4 Nxe4 29. Rd8+ Kh7 30. c5 Ra1+ 31. Bb1 Rxc5+ 0-1

[Event "Rheinhausen-ch"]
[Site "Rheinhausen"]
[Date "2011.03.25"]
[Round "7"]
[White "Angermann, Immo Frank"]
[Black "Buhren, Wolfgang"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1505"]
[BlackElo "1407"]
[PlyCount "62"]
[EventDate "2011.01.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Be2 Be7 6. 0-0 0-0 7. Re1 Nc6 8. Nc3 h6 9. Bf4 a6 10. Ne5 Bb4 11. Bf3 Ne7 12. Qe2 Nf5 13. Rad1 Re8 14. Qd3 c6 15. a3 Bd6 16. h3 Nh4 17. Re2 Bf5 18. Qe3 Qc8 19. g4 Bxe5 20. dxe5 Nxf3+ 21. Qxf3 Nxg4 22. Qg3 Re6 23. Kf1 Rg6 24. Qf3 h5 25. Rd4 Nh6 26. Re3 Bxc2 27. Qxh5 Nf5 28. e6 Nxe3+ 29. fxe3 Qxe6 30. e4 dxe4 31. Rd6 Qc4+ 0-1

[Event "Rheinhausen-ch"]
[Site "Rheinhausen"]
[Date "2011.03.11"]
[Round "6"]
[White "Buhren, Wolfgang"]
[Black "Hoegden, Friedel"]
[Result "1/2-1/2"]
[ECO "D51"]
[WhiteElo "1407"]
[BlackElo "1689"]
[PlyCount "63"]
[EventDate "2011.01.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. e3 c6 6. Bd3 Qa5 7. Bxf6 Nxf6 8. a3 dxc4 9. Bxc4 Bd6 10. b4 Qc7 11. f4 0-0 12. Nge2 Nd5 13. Qd3 Qe7 14. Ne4 Bc7 15. Ng5 g6 16. 0-0 h6 17. Nf3 b6 18. Ne5 Bxe5 19. fxe5 Qg5 20. Rf3 Ne7 21. Rg3 Qh4 22. Rf1 Nf5 23. Rh3 Qg5 24. e4 Ng7 25. Rg3 Qe7 26. Rh3 h5 27. Nf4 Bd7 28. Qg3 Kh7 29. Be2 Rh8 30. Bxh5 Nxh5 31. Nxh5 Rad8 32. Rf4 1/2-1/2

[Event "Rheinhausen-ch"]
[Site "Rheinhausen"]
[Date "2011.02.25"]
[Round "5"]
[White "Czegledi, Daniel"]
[Black "Buhren, Wolfgang"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "1060"]
[BlackElo "1407"]
[PlyCount "84"]
[EventDate "2011.01.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. e3 Nf6 4. Nf3 Be7 5. b3 0-0 6. Bb2 b6 7. Bd3 Bb7 8. 0-0 Nbd7 9. Nc3 Re8 10. Qc2 h6 11. cxd5 Nxd5 12. Nxd5 Bxd5 13. Be4 Bxe4 14. Qxe4 Nf6 15. Qb7 Bd6 16. Rac1 Re7 17. Rc6 a5 18. Rfc1 Nd5 19. Ne5 f6 20. Ng6 Rf7 21. e4 Nb4 22. R6c3 c5 23. Qxa8 Qxa8 24. dxc5 Bxc5 25. Rd1 Qxe4 26. Rg3 Nd5 27. h3 Qe2 28. Rb1 Bxf2+ 29. Kh2 Bxg3+ 30. Kxg3 Ne3 31. Nf4 Qc2 32. Re1 Nf5+ 33. Kh2 Qxb2 34. Rxe6 Re7 35. Rxb6 Qe5 36. g4 Qb2+ 37. Ng2 Ne3 38. Rb8+ Kh7 39. Kg3 Qxg2+ 40. Kf4 Qh2+ 41. Kf3 Qxb8 42. h4 Nd5 0-1

[Event "Rheinhausen-ch"]
[Site "Rheinhausen"]
[Date "2011.02.18"]
[Round "4"]
[White "Buhren, Wolfgang"]
[Black "Haug, Jens"]
[Result "1/2-1/2"]
[ECO "E52"]
[WhiteElo "1407"]
[BlackElo "1494"]
[PlyCount "27"]
[EventDate "2011.01.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. Bd2 Bb7 6. e3 0-0 7. Bd3 d5 8. 0-0 Nbd7 9. cxd5 exd5 10. Ne2 Bxd2 11. Nxd2 c5 12. b3 Re8 13. Rc1 Rc8 14. Re1 1/2-1/2

[Event "Rheinhausen-ch"]
[Site "Rheinhausen"]
[Date "2011.02.04"]
[Round "3"]
[White "Schumacher, Timo"]
[Black "Buhren, Wolfgang"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1341"]
[BlackElo "1407"]
[PlyCount "66"]
[EventDate "2011.01.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Qb6 4. Nc3 Bf5 5. Nge2 e6 6. Na4 Qc7 7. Nf4 Nd7 8. h4 h6 9. Qh5 Ne7 10. Nc3 c5 11. Nb5 Qc6 12. Nd6+ Kd8 13. Nxf7+ Kc7 14. Nxh8 cxd4 15. Bd2 Nxe5 16. c3 d3 17. Nf7 Nc4 18. Nxd3 Nxd2 19. Kxd2 Qb6 20. g4 g6 21. Qxh6 Bxh6+ 22. Nxh6 Bxd3 23. Bxd3 Qxf2+ 24. Be2 Qf4+ 25. Kd3 Qxh6 26. g5 Qg7 27. Rae1 Kd6 28. Bg4 e5 29. Rhf1 Rf8 30. h5 gxh5 31. Rxf8 Qxf8 32. Bh3 Qf3+ 33. Re3 Qd1# 0-1

[Event "Rheinhausen-ch"]
[Site "Rheinhausen"]
[Date "2011.01.21"]
[Round "2"]
[White "Buhren, Wolfgang"]
[Black "Jentzsch, David"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1407"]
[BlackElo "1615"]
[PlyCount "136"]
[EventDate "2011.01.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. Nbd2 0-0 8. dxc5 Bxc5 9. h3 Bh5 10. g4 Bg6 11. Nb3 Bd6 12. Bxd6 Qxd6 13. c4 Rd8 14. c5 Qe7 15. Ne5 Nbd7 16. Qd4 Nxe5 17. Qxe5 Rac8 18. Rac1 Ne4 19. Qh2 Nxc5 20. Nxc5 Rxc5 21. Qf4 h6 22. Qd4 Rdc8 23. Qd2 Qc7 24. Rxc5 Qxc5 25. Bd3 Bxd3 26. Qxd3 Qc4 27. Qb1 Qc2 28. Kg2 Qxb1 29. Rxb1 Rc2 30. a3 Kf8 31. Kg3 Ke7 32. b3 Rc3 33. Kf4 Rc2 34. Kg3 e5 35. a4 Ke6 36. h4 f5 37. gxf5+ Kxf5 38. a5 g5 39. hxg5 hxg5 40. Rd1 Rc5 41. b4 Rb5 42. f3 Ke6 43. e4 d4 44. Rb1 a6 45. Rb2 b6 46. axb6 Rxb6 47. Rh2 Kf7 48. Rh7+ Ke8 49. Rg7 Rxb4 50. Rxg5 Rb5 51. Kf2 Kd7 52. Rg7+ Kc8 53. Rg8+ Kb7 54. Rg7+ Kb6 55. Rg6+ Ka5 56. Rg1 Rb2+ 57. Kg3 Kb4 58. Rd1 a5 59. f4 exf4+ 60. Kxf4 Kc3 61. e5 Re2 62. Rc1+ Kd2 63. Rc4 d3 64. Ra4 Kc1 65. Ra1+ Kb2 66. Rxa5 d2 67. Rb5+ Kc3 68. Rc5+ Kd4 0-1

[Event "Rheinhausen-ch"]
[Site "Rheinhausen"]
[Date "2011.01.08"]
[Round "1"]
[White "Kaiser, Daniel"]
[Black "Buhren, Wolfgang"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "1774"]
[BlackElo "1407"]
[PlyCount "63"]
[EventDate "2011.01.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Nf3 e6 9. Bd3 Bxd3 10. Qxd3 Nd7 11. Bd2 Ngf6 12. 0-0-0 Qb6 13. Qe2 Bd6 14. Nf5 Bf8 15. Ne3 0-0-0 16. g4 Nd5 17. g5 f6 18. gxh6 gxh6 19. Ng4 c5 20. c4 Nb4 21. Bxb4 cxb4 22. Kb1 Bg7 23. Rhg1 f5 24. Ne3 Rhg8 25. c5 Qc7 26. Nc4 Nf8 27. Nfe5 Nd7 28. Nf7 Rdf8 29. Qxe6 Kb8 30. Ncd6 f4 31. Nxh6 Rf6 32. Qxg8+ 1-0

[Event "Rheinhausen-ch 14th"]
[Site "Duisburg Rheinhausen"]
[Date "2010.03.26"]
[Round "7"]
[White "Buhren, Alexander"]
[Black "Buhren, Wolfgang"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1170"]
[BlackElo "1368"]
[PlyCount "65"]
[EventDate "2010.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. cxd5 Qxd5 4. Nc3 Qa5 5. Nf3 Bf5 6. e3 e6 7. Bd2 Qb6 8. b3 Be7 9. Bc4 0-0 10. Qe2 c6 11. 0-0 Nbd7 12. Bd3 Bxd3 13. Qxd3 Nd5 14. Nxd5 exd5 15. Rfe1 f5 16. a4 Qc7 17. b4 Nf6 18. Reb1 Ne4 19. b5 Rf6 20. Bb4 Bd6 21. Bxd6 Qxd6 22. Ne5 Rh6 23. f3 Nc5 24. Qxf5 Rf8 25. dxc5 Rxf5 26. cxd6 Rxe5 27. d7 Rd6 28. bxc6 bxc6 29. Rb8+ Kf7 30. d8Q Rxd8 31. Rxd8 Ke7 32. Ra8 Rxe3 33. Rxa7+ 1-0

[Event "Rheinhausen-ch 14th"]
[Site "Duisburg Rheinhausen"]
[Date "2010.03.12"]
[Round "6"]
[White "Kaufung, Christian"]
[Black "Buhren, Wolfgang"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1715"]
[BlackElo "1368"]
[PlyCount "38"]
[EventDate "2010.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Be7 5. Bd3 0-0 6. Nbd2 Nbd7 7. Qe2 c5 8. c3 Qb6 9. b3 Re8 10. Ne5 Qa5 11. h4 Qxc3 12. Rd1 cxd4 13. Bxh7+ Kxh7 14. Nxf7 dxe3 15. fxe3 Kg8 16. Ng5 e5 17. Bh2 Nc5 18. 0-0 Bg4 19. Ndf3 e4 1/2-1/2

[Event "Rheinhausen-ch 14th"]
[Site "Duisburg Rheinhausen"]
[Date "2010.02.26"]
[Round "5"]
[White "Buhren, Wolfgang"]
[Black "Hubert, Winfried"]
[Result "0-1"]
[ECO "C13"]
[WhiteElo "1368"]
[BlackElo "1722"]
[PlyCount "136"]
[EventDate "2010.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 e6 3. Nf3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e4 dxe4 7. Nxe4 0-0 8. c3 b6 9. Qd3 Bb7 10. 0-0-0 Nd7 11. h4 h6 12. g4 g6 13. Qe3 Bg7 14. g5 h5 15. Bc4 Qe7 16. Rhe1 Rfe8 17. Kb1 Rad8 18. Nfd2 a6 19. Qg3 b5 20. Bd3 Rc8 21. f4 b4 22. Nb3 bxc3 23. Nxc3 Qd6 24. Be4 Bxe4+ 25. Nxe4 Qb6 26. Qf2 Rb8 27. Re2 a5 28. Nbc5 Nxc5 29. dxc5 Qc6 30. Qg2 Qb5 31. Rc2 Red8 32. Rdc1 Qd3 33. Nf6+ Kf8 34. Ka1 Bxf6 35. gxf6 Qf5 36. Qg5 Qxg5 37. fxg5 Rd5 38. Rc4 Ke8 39. a3 c6 40. Ka2 Rd2 41. R1c2 Rd5 42. Ra4 Rb5 43. Rac4 Kd7 44. b4 axb4 45. axb4 e5 46. Kb3 Ke6 47. Ra2 Rd7 48. Kc3 Rdb7 49. Ra6 Kd5 50. Ra2 Rd7 51. Ra5 Rxa5 52. bxa5 Ra7 53. Kb4 Rb7+ 54. Kc3 Ra7 55. Kb4 Rxa5 56. Kxa5 Kxc4 57. Kb6 Kd5 58. Kc7 e4 59. Kd7 e3 60. Ke7 e2 61. Kxf7 e1Q 62. Kg7 Qe4 63. f7 Qe7 64. Kg8 Qxc5 65. f8Q Qxf8+ 66. Kxf8 Ke6 67. Kg7 Kf5 68. Kf7 c5 0-1

[Event "Rheinhausen-ch 14th"]
[Site "Duisburg Rheinhausen"]
[Date "2010.02.19"]
[Round "4"]
[White "Schumacher, Timo"]
[Black "Buhren, Wolfgang"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1153"]
[BlackElo "1368"]
[PlyCount "60"]
[EventDate "2010.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. Be3 cxd4 8. Bxd4 Nc6 9. Be3 Nxe5 10. Nd4 a6 11. f4 Nc6 12. Na4 Be4 13. Rg1 Qc7 14. Nxc6 Qxc6 15. Nb6 Rd8 16. Bd3 d4 17. Bf2 Bxd3 18. cxd3 Qxb6 19. Qa4+ Qc6 20. Qxc6+ bxc6 21. Rc1 c5 22. Rc4 Nf6 23. Ra4 Ra8 24. b4 cxb4 25. Bxd4 Bd6 26. g5 Nd5 27. Bxg7 Rg8 28. Be5 Bxe5 29. fxe5 a5 30. a3 Nc3 0-1

[Event "Rheinhausen-ch 14th"]
[Site "Duisburg Rheinhausen"]
[Date "2010.02.05"]
[Round "3"]
[White "Buhren, Wolfgang"]
[Black "Palmowski, Sascha"]
[Result "1/2-1/2"]
[ECO "D01"]
[WhiteElo "1368"]
[BlackElo "1202"]
[PlyCount "43"]
[EventDate "2010.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 c6 3. Nf3 Nf6 4. Bg5 Bf5 5. e3 Nbd7 6. Bd3 e6 7. Bxf5 exf5 8. Qd3 g6 9. 0-0-0 Bd6 10. Kb1 0-0 11. h4 Qc7 12. Bxf6 Nxf6 13. Ng5 Bb4 14. f3 Bxc3 15. Qxc3 Rfe8 16. Nh3 Nh5 17. f4 Ng3 18. Rhe1 f6 19. Qd3 Re6 20. e4 Nxe4 21. Re3 Rae8 22. Rde1 1/2-1/2

[Event "Rheinhausen-ch 14th"]
[Site "Duisburg Rheinhausen"]
[Date "2010.01.22"]
[Round "2"]
[White "Sesul, Kolja"]
[Black "Buhren, Wolfgang"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "938"]
[BlackElo "1368"]
[PlyCount "50"]
[EventDate "2010.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 e6 5. Nc3 Nf6 6. Bg5 Be7 7. Bd3 0-0 8. 0-0 a6 9. Ne5 Nc6 10. Re1 h6 11. Bh4 Nxd4 12. Ne2 Nxe2+ 13. Qxe2 b5 14. Qf3 Bb7 15. Rad1 Nh7 16. Bxe7 Qxe7 17. b3 Ng5 18. Qf4 Rad8 19. c4 dxc4 20. bxc4 Qc5 21. Rc1 Qb4 22. Qg4 bxc4 23. Bxc4 Qb2 24. Rb1 Qd2 25. Kf1 Bd5 1/2-1/2

[Event "Rheinhausen-ch 14th"]
[Site "Duisburg Rheinhausen"]
[Date "2010.01.08"]
[Round "1"]
[White "Buhren, Wolfgang"]
[Black "Rivinius, Otto"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1368"]
[BlackElo "1851"]
[PlyCount "62"]
[EventDate "2010.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 Bg4 5. Nbd2 Nbd7 6. Be2 e6 7. 0-0 Bd6 8. a3 0-0 9. c5 Bc7 10. b4 Re8 11. Bb2 e5 12. dxe5 Nxe5 13. Re1 Nxf3+ 14. Nxf3 Ne4 15. h3 Bh5 16. Qd4 f6 17. Qd3 Bb8 18. Rad1 Qc7 19. Kf1 a5 20. Nh4 Nxf2 21. Kxf2 Qg3+ 22. Kg1 Qxh4 23. Bxh5 Qxh5 24. b5 Re4 25. bxc6 bxc6 26. Qb3 Bg3 27. Rf1 Rb8 28. Qc2 Rxe3 29. Rf5 Rxb2 30. Qxb2 Qxd1+ 31. Rf1 Qxf1+ 0-1

