[Event "Kiel op 31st"]
[Site "Kiel"]
[Date "2018.08.03"]
[Round "9"]
[White "Isler, Benjamin"]
[Black "Boyens, Birger"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1885"]
[BlackElo "1935"]
[PlyCount "52"]
[EventDate "2018.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 c5 2. d4 e6 3. d5 Nf6 4. dxe6 fxe6 5. e5 Nd5 6. Bd3 g6 7. c4 Nb4 8. Bf4 Bg7 9. h4 0-0 10. Bg3 d6 11. Nc3 dxe5 12. Be4 N8c6 13. h5 Qxd1+ 14. Rxd1 Nd4 15. hxg6 h6 16. Nf3 Nbc2+ 17. Bxc2 Nxc2+ 18. Kd2 Nd4 19. Nxe5 b6 20. Nf7 Nf5 21. Bf4 Bb7 22. Rh2 Ne7 23. Bxh6 Nxg6 24. Nd6 Rxf2+ 25. Kd3 Ne5+ 26. Ke3 Ng4+ 0-1

[Event "Kiel op 31st"]
[Site "Kiel"]
[Date "2018.08.02"]
[Round "8"]
[White "Boyens, Birger"]
[Black "Callsen, Niklas"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "1935"]
[BlackElo "1705"]
[PlyCount "70"]
[EventDate "2018.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 Nf6 8. Qg3 Qxg3 9. hxg3 Ng4 10. Nxc6 Nxe3 11. Nd4 Nxf1 12. Kxf1 b6 13. g4 Bb7 14. Rh3 Bb4 15. Nde2 0-0 16. Rd1 Rad8 17. Rhd3 Bc6 18. a3 Be7 19. Nf4 d6 20. Nh5 Rd7 21. f4 Rfd8 22. Rh3 d5 23. e5 d4 24. Ne2 Ba4 25. Rd2 a5 26. Nc1 Rc7 27. Nb3 d3 28. Rhxd3 Rxd3 29. Rxd3 Bb5 30. Ke2 Rxc2+ 31. Nd2 Rxb2 32. a4 Ba6 33. Ng3 f6 34. f5 exf5 35. Nxf5 Bb4 0-1

[Event "Kiel op 31st"]
[Site "Kiel"]
[Date "2018.08.01"]
[Round "7"]
[White "Aarav, Dengla"]
[Black "Boyens, Birger"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1805"]
[BlackElo "1935"]
[PlyCount "59"]
[EventDate "2018.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Nf6 4. Bd3 e5 5. d5 Be7 6. c4 0-0 7. Ne2 a6 8. Nbc3 Qc7 9. 0-0 Nbd7 10. Ng3 Re8 11. f4 b5 12. b3 bxc4 13. bxc4 Rb8 14. f5 Qa5 15. Bd2 Qa3 16. Rb1 Bd8 17. Rxb8 Nxb8 18. Qb3 Qxb3 19. axb3 Re7 20. Ra1 Rb7 21. Bc2 Bd7 22. Na2 a5 23. Nc1 Ra7 24. Nd3 Be8 25. Bd1 Nbd7 26. Be3 Bb6 27. Nb2 Nb8 28. Na4 Bxa4 29. Rxa4 Na6 30. Bg5 1/2-1/2

[Event "Kiel op 31st"]
[Site "Kiel"]
[Date "2018.07.31"]
[Round "6"]
[White "Boyens, Birger"]
[Black "Schmidt, Gero"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1935"]
[PlyCount "55"]
[EventDate "2018.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Bg7 6. Bh6 0-0 7. Bxg7 Kxg7 8. h4 h5 9. f4 b5 10. e5 dxe5 11. fxe5 Nd5 12. Ne4 Bf5 13. Ng3 e6 14. Nf3 Nd7 15. Ng5 N7b6 16. b3 b4 17. Be2 Rh8 18. 0-0 Nc3 19. Bf3 Qd7 20. N3e4 Nbd5 21. Nd6 Rhf8 22. a3 a5 23. axb4 axb4 24. Rxa8 Rxa8 25. Ngxf7 Kf8 26. Qh6+ Ke7 27. Qg7 Ra2 28. Nb7 1-0

[Event "Kiel op 31st"]
[Site "Kiel"]
[Date "2018.07.30"]
[Round "5"]
[White "Bungarten, Jona"]
[Black "Boyens, Birger"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1546"]
[BlackElo "1935"]
[PlyCount "56"]
[EventDate "2018.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 b6 3. c4 Bb7 4. Nc3 c5 5. d5 d6 6. Nf3 Nd7 7. Bf4 e5 8. Bg3 Ne7 9. Bd3 Ng6 10. 0-0 Be7 11. Nd2 Bg5 12. Ne2 Qf6 13. Nf3 h6 14. a4 a5 15. Ra3 Ba6 16. Qb3 Rb8 17. Nc3 h5 18. Nxg5 Qxg5 19. h3 h4 20. Bh2 Nf4 21. Bxf4 exf4 22. Be2 Ne5 23. Nb5 Bxb5 24. Qxb5+ Kf8 25. Rc1 f3 26. Bxf3 Qxc1+ 27. Kh2 Rh6 28. Rb3 Qxc4 0-1

[Event "Kiel op 31st"]
[Site "Kiel"]
[Date "2018.07.29"]
[Round "4"]
[White "Boyens, Birger"]
[Black "Christensen, Andreas"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1935"]
[BlackElo "1790"]
[PlyCount "108"]
[EventDate "2018.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be7 8. f4 0-0 9. Be2 Nc6 10. 0-0 Bd7 11. f5 Nb4 12. Bg5 Bc6 13. Bf3 h6 14. Bh4 Nd7 15. Be1 a5 16. Nd5 Bxd5 17. exd5 Rc8 18. c3 Na6 19. Bd2 Nac5 20. Nxc5 Nxc5 21. b4 axb4 22. cxb4 Nd3 23. a5 Bf6 24. Be4 Nf4 25. b5 Rc4 26. Qf3 Qd7 27. Rfb1 Rfc8 28. h3 Bg5 29. Bb4 Bd8 30. Kh2 Rd4 31. g3 Rcc4 32. gxf4 Rxe4 33. Bd2 exf4 34. a6 bxa6 35. bxa6 Qe7 36. a7 Re2+ 37. Kh1 Rxd2 38. a8Q Rcc2 39. Rb8 Rh2+ 40. Kg1 Qg5+ 41. Kf1 Rcf2+ 42. Qxf2 Rh1+ 43. Ke2 f3+ 44. Kd3 Qxf5+ 45. Kc4 Qe4+ 46. Kb5 Qd3+ 47. Kc6 Qc4+ 48. Kb7 Qc7+ 49. Ka6 Rxa1+ 50. Kb5 Rb1+ 51. Ka4 Qc4+ 52. Ka3 Qc3+ 53. Ka4 Qa1+ 54. Qa2 Qxa2# 0-1

[Event "Kiel op 31st"]
[Site "Kiel"]
[Date "2018.07.29"]
[Round "3"]
[White "Knudsen, Simon"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2197"]
[BlackElo "1935"]
[PlyCount "113"]
[EventDate "2018.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 e5 7. Be3 Qa5+ 8. Nbd2 f6 9. 0-0 Bf8 10. Nc4 Qc7 11. a4 Be6 12. Nfd2 b5 13. Na3 Rb8 14. f4 exf4 15. Bxf4 Bd6 16. Qf3 Bxf4 17. Qxf4 Qxf4 18. Rxf4 f5 19. exf5 gxf5 20. Re1 Kd7 21. Nf3 Ne7 22. Ne5+ Kd6 23. Rh4 h5 24. Kh2 a6 25. Rf4 h4 26. axb5 cxb5 27. c4 Rh7 28. d4 cxd4 29. Rxd4+ Kc5 30. Rf4 bxc4 31. Nexc4 Ng6 32. Rf2 Bxc4 33. Rc2 Rb4 34. b3 Rxb3 35. Rxc4+ Kd5 36. Rd1+ Ke5 37. Rc5+ Kf6 38. Nc2 Rb2 39. Ne3 Ne7 40. Rd6+ Kg5 41. Rd7 Kf6 42. Rcc7 Rg7 43. Rxe7 Rxe7 44. Nd5+ Ke5 45. Nxe7 Ra2 46. Ng6+ Ke4 47. Nxh4 a5 48. Nf3 a4 49. Ra7 a3 50. h4 Ke3 51. h5 Kf2 52. h6 Kf1 53. Nh4 f4 54. h7 f3 55. h8Q fxg2 56. Qf6+ Rf2 57. Qa1+ 1-0

[Event "Kiel op 31st"]
[Site "Kiel"]
[Date "2018.07.28"]
[Round "2"]
[White "Boyens, Birger"]
[Black "Marcussen, Claus"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1935"]
[BlackElo "1736"]
[PlyCount "53"]
[EventDate "2018.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 d5 2. d4 dxe4 3. Nc3 Bf5 4. f3 Nf6 5. g4 Bg6 6. g5 Nd5 7. Nxe4 e6 8. c4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 Ne7 11. 0-0-0 Nf5 12. h4 h5 13. Ne2 c6 14. Nf4 Na6 15. Qc3 Nc7 16. Bh3 b5 17. Bxf5 Bxf5 18. Ng3 bxc4 19. Nxf5 exf5 20. d5 0-0 21. Nxh5 f6 22. dxc6 Qe8 23. Nxg7 Qxc6 24. Nxf5 Qc5 25. Nh6+ Kh8 26. Rd7 Nb5 27. g6 1-0

[Event "Kiel op 31st"]
[Site "Kiel"]
[Date "2018.07.28"]
[Round "1"]
[White "Voloshin, Leonid"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2383"]
[BlackElo "1935"]
[PlyCount "73"]
[EventDate "2018.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bg5 d5 4. Bxf6 exf6 5. e3 c6 6. Bd3 Bd6 7. Qf3 g6 8. Nge2 Be6 9. h3 Qd7 10. g4 fxg4 11. hxg4 Rf8 12. Rg1 f5 13. g5 Na6 14. Bxa6 bxa6 15. Na4 Rb8 16. b3 Qc7 17. Qh3 Rf7 18. f4 Re7 19. Kf2 Qa5 20. Qf1 Kd7 21. Qe1 Bb4 22. c3 Ba3 23. Nc1 Qb5 24. Qd2 Kc7 25. Nd3 Bc8 26. Nac5 a5 27. c4 Bb4 28. Qc2 dxc4 29. bxc4 Qb6 30. Na4 Qb7 31. a3 c5 32. d5 Bd7 33. axb4 cxb4 34. Ndc5 Bxa4 35. Qxa4 Qb6 36. Qxa5 Qxa5 37. Rxa5 1-0

[Event "Paderborn op 14th"]
[Site "Paderborn"]
[Date "2017.12.27"]
[Round "1"]
[White "Boyens, Birger"]
[Black "Jugelt, Tobias"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1975"]
[BlackElo "2434"]
[PlyCount "54"]
[EventDate "2017.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. c4 Qa5 6. Nf3 c5 7. b3 Nc6 8. Bb2 Bg4 9. h3 Bh5 10. Be2 Rd8 11. Ne5 Nxe5 12. Bxe5 Bg6 13. Bc3 Qc7 14. 0-0 e6 15. Re1 Be7 16. Bxg7 Rg8 17. Bh6 Bf6 18. Rc1 Bb2 19. Rc2 Bd4 20. d3 Qg3 21. Bf3 Bh5 22. Rxe6+ Kd7 23. Rf6 Qxh3 24. Rf4 Rde8 25. Rxd4+ cxd4 26. Qa1 Re1+ 27. Qxe1 Bxf3 0-1

[Event "Kiel op 30th"]
[Site "Kiel"]
[Date "2017.08.04"]
[Round "9.37"]
[White "Maas, Kolja"]
[Black "Boyens, Birger"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "1527"]
[BlackElo "1996"]
[PlyCount "128"]
[EventDate "2017.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. 0-0 d6 7. d4 Nxb3 8. axb3 f6 9. c4 Bb7 10. d5 Ne7 11. Nc3 b4 12. Ne2 c6 13. Ng3 cxd5 14. cxd5 Qd7 15. Nh4 g6 16. Be3 Bg7 17. Qd2 a5 18. Bh6 0-0 19. Bxg7 Kxg7 20. f4 Qg4 21. Nf3 exf4 22. Ne2 g5 23. Nfd4 Rfc8 24. Ne6+ Kh8 25. N2xf4 gxf4 26. Rxf4 Qg6 27. Qd4 Ng8 28. Rf3 Rc2 29. Rg3 Qh6 30. Rd1 Rc1 31. Rh3 Rxd1+ 32. Qxd1 Qg6 33. Rh4 Rc8 34. h3 Qg3 35. Rg4 Qe3+ 36. Kh2 Nh6 37. Rg3 Rc1 38. Rxe3 Rxd1 39. Nd8 Ba6 40. Rf3 Rf1 41. Nc6 Nf7 42. Rxf1 Bxf1 43. Kg3 Ne5 44. Nxa5 Ba6 45. Nc6 Nxc6 46. dxc6 Kg7 47. Kf4 Kf7 48. Kf5 Bc8+ 49. Kf4 Ke7 50. Ke3 Be6 51. g4 Kd8 52. Kf4 h6 53. Ke3 Kc7 54. Kd3 Kxc6 55. Kd4 Bxb3 56. Kd3 Kc5 57. Ke3 Bf7 58. Kd3 Be6 59. Ke3 Kc4 60. Kd2 Kb3 61. Kc1 Ka2 62. Kc2 Bc4 63. b3 Bxb3+ 64. Kd3 Be6 0-1

[Event "Kiel op 30th"]
[Site "Kiel"]
[Date "2017.08.03"]
[Round "8.37"]
[White "Boyens, Birger"]
[Black "Indinger, Alexander"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1996"]
[BlackElo "1798"]
[PlyCount "96"]
[EventDate "2017.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[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 c5 4. dxc5 e6 5. a3 Nc6 6. b4 a5 7. b5 Nxe5 8. Bb2 Ng6 9. Qd4 e5 10. Qe3 d4 11. Qg3 Bxc5 12. Nd2 Nf6 13. Bc4 0-0 14. h4 Bd6 15. h5 e4 16. Qb3 a4 17. Qa2 Nf4 18. 0-0-0 Be6 19. g3 Bxc4 20. Nxc4 N4d5 21. Nxd6 Qxd6 22. Bxd4 Qc7 23. Ne2 h6 24. Ba1 Rac8 25. Rd4 Nb6 26. Rb4 Rfe8 27. Rh4 e3 28. f3 Qd7 29. Bd4 Nbd5 30. Rb2 Qf5 31. f4 Qd3 32. c3 Nxc3 33. Bxc3 Rxc3+ 34. Nxc3 Qxc3+ 35. Rc2 Qe1+ 36. Kb2 Qxg3 37. Rh1 e2 38. Rc7 e1Q 39. Qxf7+ Kh8 40. Rxe1 Rxe1 41. Rc8+ Kh7 42. Rc3 Qf2+ 43. Rc2 Qd4+ 44. Rc3 Re2+ 45. Kb1 Qd1+ 46. Rc1 Qd3+ 47. Ka1 Qxa3+ 48. Kb1 Rb2# 0-1

[Event "Kiel op 30th"]
[Site "Kiel"]
[Date "2017.08.02"]
[Round "7"]
[White "Jordan, Christian"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "2182"]
[BlackElo "1996"]
[PlyCount "83"]
[EventDate "2017.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. 0-0 d6 7. c3 Nxb3 8. axb3 c5 9. d4 cxd4 10. cxd4 f6 11. Bd2 Bb7 12. Ba5 Qe7 13. Nc3 f5 14. dxe5 fxe4 15. Nd5 Bxd5 16. Qxd5 Rc8 17. exd6 Qxd6 18. Qxe4+ Be7 19. Rac1 Qd7 20. Rxc8+ Qxc8 21. Re1 Kf8 22. Bb4 Qe8 23. Ng5 Qd7 24. Qf4+ Ke8 25. Qb8+ Qd8 26. Qxd8+ Kxd8 27. Bxe7+ Nxe7 28. Nf7+ Ke8 29. Nxh8 Kf8 30. Rd1 Nc6 31. Rd6 Na5 32. Rxa6 Nxb3 33. Ra7 Nc5 34. Nf7 Nd3 35. Nd6 b4 36. Rb7 g5 37. Kf1 h5 38. Ke2 Nf4+ 39. Kf3 Nd3 40. Ke3 Ne1 41. g3 g4 42. Rh7 1-0

[Event "Kiel op 30th"]
[Site "Kiel"]
[Date "2017.08.01"]
[Round "6"]
[White "Boyens, Birger"]
[Black "Lubenow, Olaf"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "1996"]
[PlyCount "91"]
[EventDate "2017.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 Nb6 4. f4 d6 5. Bd3 g6 6. Ne2 dxe5 7. fxe5 Nc6 8. Nbc3 Nb4 9. Be4 c6 10. Nf4 e6 11. Be3 N4d5 12. Ncxd5 cxd5 13. Bd3 Qh4+ 14. g3 Qe7 15. c3 Bd7 16. a4 a5 17. Qb3 Qd8 18. h4 Qc7 19. h5 g5 20. Ng2 h6 21. 0-0 Bg7 22. Rf3 Rf8 23. Bd2 Bc6 24. Ne3 f5 25. exf6 Rxf6 26. Bg6+ Kd7 27. Raf1 Raf8 28. Qd1 Bxa4 29. Qe2 Rxf3 30. Rxf3 Rxf3 31. Qxf3 Kc8 32. Be1 Bc6 33. g4 Qe7 34. Bg3 Nd7 35. Bh2 Bf8 36. Qg3 Qd8 37. Bf7 e5 38. dxe5 Nc5 39. e6 Na6 40. Qe5 Bc5 41. Kf1 d4 42. cxd4 Bxd4 43. Qf5 Qe7 44. Nc4 Nc5 45. Bd6 Qf6 46. Nb6+ 1-0

[Event "Kiel op 30th"]
[Site "Kiel"]
[Date "2017.07.31"]
[Round "5"]
[White "Wanner, Lukas"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2008"]
[BlackElo "1996"]
[PlyCount "117"]
[EventDate "2017.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 a6 5. Nf3 Nc6 6. Nxe5 Bxf2+ 7. Kxf2 Nxe5 8. d3 Nfg4+ 9. Kg1 c6 10. h3 Nf6 11. Kh2 Qb6 12. c5 Qc7 13. d4 Ng6 14. Bg5 Nh5 15. Ne4 0-0 16. Bf3 f5 17. Nd6 Nf6 18. Qb3+ Kh8 19. Nf7+ Kg8 20. Nd6+ Kh8 21. Bxf6 gxf6 22. Nxf5 Rb8 23. Qe3 Qd8 24. Bh5 Rg8 25. Nd6 Qf8 26. Rhf1 b6 27. Rf2 bxc5 28. dxc5 Qg7 29. Raf1 Rf8 30. Ne8 Qe7 31. Qxe7 Nxe7 32. Rxf6 Rxf6 33. Rxf6 Ng6 34. Bxg6 hxg6 35. Rf8+ Kh7 36. Nd6 Rxb2 37. Rxc8 Rxe2+ 38. Kg1 Rxa2 39. Rd8 Kg7 40. Rxd7+ Kf6 41. Rc7 Ke5 42. Rxc6 Kd4 43. Nb7 Ke3 44. Rf6 Rc2 45. h4 a5 46. Nxa5 Rxc5 47. Rxg6 Kf3 48. Nc6 Rd5 49. Kh2 Rd2+ 50. Kh3 Kf2 51. Rf6+ Kg1 52. h5 Rd1 53. h6 Rd2 54. Ne5 Rd1 55. h7 Rd8 56. Nf7 Rd3 57. Rh6 Rd4 58. h8Q Kh1 59. Rd6 1-0

[Event "Kiel op 30th"]
[Site "Kiel"]
[Date "2017.07.30"]
[Round "4"]
[White "Beeck, Mats"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2104"]
[BlackElo "1996"]
[PlyCount "41"]
[EventDate "2017.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 d6 3. e4 fxe4 4. Nc3 Bf5 5. f3 d5 6. fxe4 dxe4 7. Bc4 Nf6 8. Nge2 c6 9. 0-0 Qd7 10. Qd2 b5 11. Bb3 b4 12. Na4 e6 13. Bxf6 gxf6 14. Rad1 Na6 15. Ng3 c5 16. Qe2 c4 17. Bxc4 Nc7 18. Nc5 Bxc5 19. dxc5 Qg7 20. Rxf5 exf5 21. Nxf5 1-0

[Event "Kiel op 30th"]
[Site "Kiel"]
[Date "2017.07.30"]
[Round "3"]
[White "Boyens, Birger"]
[Black "Voelzke, Ferdinand"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1996"]
[BlackElo "2134"]
[PlyCount "97"]
[EventDate "2017.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nge2 c6 5. g3 Be7 6. h3 Nbd7 7. Bg2 b6 8. Be3 Bb7 9. Qd2 a6 10. g4 h5 11. g5 Nh7 12. h4 g6 13. f4 exf4 14. Nxf4 Qc7 15. 0-0-0 0-0-0 16. Rhf1 Nhf8 17. Rf2 Rh7 18. Rdf1 f6 19. Nh3 fxg5 20. Nxg5 Bxg5 21. Bxg5 Re8 22. Rf7 Kb8 23. R1f6 Rxf7 24. Rxf7 Ne6 25. Bh3 Bc8 26. Be3 b5 27. Qg2 Nef8 28. Bh6 b4 29. Na4 Ne6 30. Qxg6 Nxd4 31. Bxd7 Bxd7 32. Qh7 Rd8 33. Bg5 Qa5 34. b3 Bc8 35. Bxd8 Qxd8 36. Qg7 Ne6 37. Qg1 c5 38. Qg3 Nd4 39. Kb2 Ka8 40. Qf4 Ne6 41. Qh6 c4 42. Qe3 c3+ 43. Kb1 Nc5 44. Nxc5 dxc5 45. Qd3 Qb6 46. Qd5+ Bb7 47. Rf8+ Ka7 48. Qe5 Qc6 49. Rf5 1-0

[Event "Kiel op 30th"]
[Site "Kiel"]
[Date "2017.07.29"]
[Round "2"]
[White "Boyens, Birger"]
[Black "Helmich, Joerg"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "1996"]
[BlackElo "1722"]
[PlyCount "53"]
[EventDate "2017.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 0-0 8. h4 f5 9. Qg3 Nbc6 10. Bh6 Rf7 11. Nf3 Kf8 12. Bd2 h6 13. dxc5 Qa5 14. Nd4 Qxc5 15. Nb5 f4 16. Bxf4 Nf5 17. Qd3 a6 18. Nd6 Nxd6 19. Be3 Qb5 20. exd6 Qb2 21. Qh7 Qxa1+ 22. Kd2 Rxf2+ 23. Bxf2 Kf7 24. Rh3 Ne5 25. Rg3 Qxf1 26. Qxg7+ Ke8 27. Qe7# 1-0

[Event "Kiel op 30th"]
[Site "Kiel"]
[Date "2017.07.29"]
[Round "1"]
[White "Junge, Ralf"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2286"]
[BlackElo "1996"]
[PlyCount "99"]
[EventDate "2017.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bg5 e6 4. f3 d5 5. e4 Be7 6. e5 Nfd7 7. Bxe7 Qxe7 8. Nb5 Nb6 9. a3 a6 10. Nc3 c5 11. f4 cxd4 12. Qxd4 Qc7 13. Nf3 Nc6 14. Qc5 Nd7 15. Qf2 b5 16. Ng5 Nf8 17. Qc5 Rb8 18. Bd3 Rb7 19. 0-0-0 Nxe5 20. Bxb5+ axb5 21. Qxc7 Rxc7 22. Nxb5 Rc6 23. fxe5 h6 24. Nf3 g5 25. Nfd4 Rb6 26. Nd6+ Kd7 27. c4 Rxd6 28. exd6 dxc4 29. Rhe1 Bb7 30. Nxf5 exf5 31. Re7+ Kc8 32. d7+ Nxd7 33. Rdxd7 Bxg2 34. Rc7+ Kb8 35. Rh7 Re8 36. Rce7 Rxe7 37. Rxe7 h5 38. Kd2 h4 39. Ke3 h3 40. Rg7 g4 41. Kd4 Bf3 42. Ke5 Be4 43. a4 Ka8 44. a5 Kb8 45. a6 Ka8 46. Kd4 Bf3 47. Kc5 Kb8 48. Kb6 Kc8 49. a7 Kd8 50. Rb7 1-0

[Event "Paderborn op 13th"]
[Site "Paderborn"]
[Date "2016.12.27"]
[Round "1"]
[White "Boyens, Birger"]
[Black "Teske, Henrik"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1974"]
[BlackElo "2482"]
[PlyCount "90"]
[EventDate "2016.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. Bc4 c5 5. 0-0 cxd4 6. Nxd4 Qb6 7. Nb3 Nf6 8. Be3 Qc7 9. Bb5+ Nbd7 10. Nc3 a6 11. Be2 b5 12. Bd4 e5 13. Be3 Bb7 14. Bxb5 axb5 15. Nxb5 Qc6 16. Nxd6+ Ke7 17. Nxb7 Qxb7 18. Nc5 Qc6 19. Nxd7 Nxd7 20. Qe2 Rhc8 21. Rfd1 Nc5 22. f3 Na4 23. Rd5 Rab8 24. Rad1 Nxb2 25. Rd7+ Qxd7 26. Rxd7+ Kxd7 27. Qd2+ Ke8 28. Qd5 Nc4 29. Bg5 h6 30. Bh4 g5 31. Bg3 Rb1+ 32. Kf2 Rb2 33. Ke1 Rxc2 34. Qb5+ Kf8 35. Bf2 Nd6 36. Qb4 Ke7 37. a4 Rc1+ 38. Ke2 R8c2+ 39. Ke3 Rc4 40. Qa5 R1c2 41. Be1 Rxg2 42. Qa7+ Ke6 43. a5 Ra4 44. Bc3 Ra3 45. Qc5 Rc2 0-1

[Event "Deizisau op 10th"]
[Site "Deizisau"]
[Date "2015.10.30"]
[Round "1"]
[White "Bilchinski, Anton"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2271"]
[BlackElo "1960"]
[PlyCount "45"]
[EventDate "2015.10.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Qc2 Nc6 5. Nf3 Nb4 6. Qd1 c5 7. d5 d6 8. a3 Na6 9. dxe6 Bxe6 10. Bg5 h6 11. Bxf6 Qxf6 12. e3 Nc7 13. Bd3 g5 14. Qa4+ Bd7 15. Qc2 Bg7 16. Nd2 0-0 17. 0-0 f4 18. exf4 Qxf4 19. Be4 Bd4 20. Nd5 Bxf2+ 21. Kh1 Qh4 22. Nf3 Rxf3 23. gxf3 1-0

[Event "Kiel op 28th"]
[Site "Kiel"]
[Date "2015.07.31"]
[Round "9"]
[White "Boyens, Birger"]
[Black "Laufenburg, Frank"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1969"]
[BlackElo "1746"]
[PlyCount "73"]
[EventDate "2015.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 g6 4. f4 Bg7 5. g4 Nh6 6. h3 e6 7. Nf3 0-0 8. Bd3 f6 9. g5 fxg5 10. Nxg5 c5 11. c3 cxd4 12. Rg1 Qe7 13. h4 Bd7 14. Qf3 Nc6 15. Qg3 Be8 16. b3 dxc3 17. Ba3 Nb4 18. Bxb4 Qxb4 19. Nxe6 c2+ 20. Nd2 Rc8 21. Rc1 Nf5 22. Bxf5 Rxf5 23. Qd3 Qb6 24. Nd4 Rxf4 25. N4f3 Qc5 26. a4 b5 27. h5 bxa4 28. hxg6 h6 29. Rxc2 Qxc2 30. Qxd5+ Kh8 31. Ke2 Rxf3 32. Qxf3 axb3 33. Rh1 Bxg6 34. Qe3 Qc6 35. Rh2 Re8 36. Nf3 b2 37. Rxh6+ 1-0

[Event "Kiel op 28th"]
[Site "Kiel"]
[Date "2015.07.30"]
[Round "8"]
[White "Gutschenreiter, Dorian"]
[Black "Boyens, Birger"]
[Result "1/2-1/2"]
[ECO "B28"]
[WhiteElo "1865"]
[BlackElo "1969"]
[PlyCount "116"]
[EventDate "2015.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 e5 5. Nb3 Nf6 6. Nc3 Bb4 7. Bd2 0-0 8. Bd3 Nc6 9. 0-0 d5 10. Nxd5 Nxd5 11. exd5 Qxd5 12. Qh5 g6 13. Qh4 Bxd2 14. Nxd2 Bf5 15. Bxf5 Qxd2 16. Rfd1 Qb4 17. Qxb4 Nxb4 18. Be4 f5 19. a3 Nc6 20. Bd5+ Kg7 21. Bxc6 bxc6 22. Rd7+ Rf7 23. Rad1 Ra7 24. R7d6 Rac7 25. f3 Rf6 26. Rd8 Rff7 27. Re8 Rfe7 28. Rxe7+ Rxe7 29. Rd6 Rc7 30. Re6 Rb7 31. b3 Rc7 32. Rxe5 Kf6 33. Re8 Rd7 34. c4 Rd1+ 35. Kf2 Ra1 36. Rc8 Rxa3 37. Rxc6+ Ke5 38. b4 f4 39. b5 Ra2+ 40. Kf1 axb5 41. cxb5 Ra1+ 42. Ke2 Ra2+ 43. Kd3 Rxg2 44. Rc2 Rg1 45. Rb2 Rd1+ 46. Kc4 Rc1+ 47. Kb4 Kd6 48. Ka5 Kc7 49. b6+ Kb7 50. Rb4 g5 51. h4 h6 52. hxg5 hxg5 53. Rb3 Re1 54. Rb2 Rf1 55. Rg2 Rxf3 56. Rxg5 Ra3+ 57. Kb4 Rg3 58. Rf5 Kxb6 1/2-1/2

[Event "Kiel op 28th"]
[Site "Kiel"]
[Date "2015.07.29"]
[Round "7"]
[White "Boyens, Birger"]
[Black "Wunderlich, Matthias"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1969"]
[BlackElo "1730"]
[PlyCount "135"]
[EventDate "2015.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nc3 e5 6. dxe5 Qxd1+ 7. Nxd1 Nc6 8. f4 Be6 9. Ne3 0-0-0 10. Nf3 Bc5 11. Ng5 Bb4+ 12. Kf2 h6 13. Nxe6 fxe6 14. a3 Bc5 15. b4 Bd4 16. Rb1 Rhf8 17. Kg3 g5 18. Ng4 gxf4+ 19. Bxf4 h5 20. b5 Rg8 21. bxc6 Rxg4+ 22. Kf3 Rf8 23. cxb7+ Kb8 24. g3 Bxe5 25. h3 Rg7 26. Ke3 Bxf4+ 27. gxf4 Rg3+ 28. Ke4 Na4 29. Ke5 c5 30. Re1 Rf5+ 31. Kxe6 Rxf4 32. Re5 Rg6+ 33. Ke7 Rg7+ 34. Kd6 Rf6+ 35. Re6 Rxe6+ 36. Kxe6 Kxb7 37. Be2 h4 38. Rb1+ Kc7 39. Bg4 Nb6 40. Rb5 Na4 41. Ra5 Kb6 42. Rb5+ Kc7 43. Kf6 Rg8 44. Rb3 a6 45. Re3 Nb2 46. Re5 Kb6 47. Kf7 Rd8 48. Rd5 Rh8 49. Rd6+ Kc7 50. Rxa6 Nxc4 51. Kg7 Rd8 52. a4 Rd3 53. Kh6 Ne5 54. Bf5 Rd6+ 55. Rxd6 Kxd6 56. Kh5 Nf3 57. Kg4 Nd4 58. Bd3 Ke6 59. a5 Nc6 60. a6 Kf6 61. Kxh4 Ke5 62. Kg5 Kd4 63. Bb5 Na7 64. Bd7 c4 65. h4 c3 66. Bf5 Kc5 67. h5 Kb6 68. h6 1-0

[Event "Kiel op 28th"]
[Site "Kiel"]
[Date "2015.07.28"]
[Round "6"]
[White "Rosenburg, Hauke"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "1862"]
[BlackElo "1969"]
[PlyCount "73"]
[EventDate "2015.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. c4 f5 2. d4 Nf6 3. Nf3 e6 4. Nc3 d5 5. Bf4 c6 6. e3 Bd6 7. Ne5 0-0 8. Be2 Ne4 9. c5 Be7 10. Nxe4 fxe4 11. 0-0 Bg5 12. Bg3 a5 13. a3 a4 14. b4 axb3 15. Qxb3 Bh4 16. Bf4 g5 17. Bg3 Bxg3 18. fxg3 Rxf1+ 19. Rxf1 Nd7 20. Nf7 Qc7 21. Nxg5 Qa5 22. Nxe4 Qxa3 23. Qxa3 Rxa3 24. Nd6 Ra8 25. Rb1 Nf6 26. Nxc8 Rxc8 27. Rxb7 Ra8 28. Rb2 Ra1+ 29. Kf2 Ne4+ 30. Kf3 Kg7 31. Bd3 Ng5+ 32. Kf4 Kf6 33. h4 Nf7 34. g4 e5+ 35. dxe5+ Nxe5 36. g5+ Ke6 37. Bf5+ 1-0

[Event "Kiel op 28th"]
[Site "Kiel"]
[Date "2015.07.27"]
[Round "5"]
[White "Boyens, Birger"]
[Black "Sieweck, Philipp"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1969"]
[BlackElo "2076"]
[PlyCount "96"]
[EventDate "2015.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 e6 4. d4 Nf6 5. e5 Nfd7 6. Bg5 Qb6 7. Qd2 c5 8. Na4 Qc6 9. Qa5 b6 10. Qb5 a6 11. Qxc6 Nxc6 12. Be3 cxd4 13. Bxd4 Nxd4 14. Nxd4 b5 15. Nc3 Nxe5 16. f4 Nc4 17. 0-0-0 Bb4 18. Bxc4 bxc4 19. Na4 0-0 20. g3 Bb7 21. c3 Be7 22. Rhe1 Rfe8 23. Re2 g6 24. Rde1 Kf8 25. g4 Bd6 26. f5 Bf4+ 27. Kc2 e5 28. Nb6 Rad8 29. fxg6 hxg6 30. Nf3 d4 31. Nxd4 exd4 32. Rxe8+ Rxe8 33. Rxe8+ Kxe8 34. cxd4 Bxh2 35. Nxc4 Bf3 36. Kc3 Bxg4 37. Kb4 Bc7 38. Kc5 Bd7 39. d5 Bb5 40. Ne3 Kd7 41. b3 Bd6+ 42. Kd4 f5 43. a4 Be2 44. Ng2 g5 45. Ne3 f4 46. Nf5 f3 47. Ke3 g4 48. Kf2 g3+ 0-1

[Event "Kiel op 28th"]
[Site "Kiel"]
[Date "2015.07.26"]
[Round "3"]
[White "Boyens, Birger"]
[Black "Haffner, Alexander"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1969"]
[BlackElo "2136"]
[PlyCount "100"]
[EventDate "2015.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 c6 5. Nf3 Bg4 6. Be3 Nd7 7. Bc4 e6 8. h3 Bxf3 9. Qxf3 d5 10. Bb3 Ne7 11. g4 dxe4 12. Nxe4 0-0 13. c4 a5 14. Nc3 b5 15. cxb5 cxb5 16. Nxb5 a4 17. Bc4 Nb6 18. Rc1 Nxc4 19. Rxc4 Rb8 20. Rc5 Nd5 21. Qe2 Re8 22. h4 Bf8 23. Bd2 Qd7 24. Nc3 Bxc5 25. dxc5 Rxb2 26. Qe5 Nb4 27. Qd6 Nd3+ 28. Ke2 Nxc5 29. Qxd7 Nxd7 30. Rb1 Rxb1 31. Nxb1 f5 32. Nc3 Nc5 33. Be3 Kf7 34. Bd4 Nd7 35. g5 a3 36. Ke3 Rb8 37. Kf3 Rb2 38. Be3 e5 39. fxe5 Nxe5+ 40. Kg3 Ke6 41. Kh3 Rc2 42. Bd4 Nf3 43. Bf6 h5 44. Kg3 Ne5 45. Nb5 Kd5 46. Be7 Ke4 47. Kh3 Ng4 48. Bd6 f4 49. Bxf4 Kxf4 50. Nd4 Rh2# 0-1

[Event "Kiel op 28th"]
[Site "Kiel"]
[Date "2015.07.26"]
[Round "4"]
[White "Schumacher, Horst"]
[Black "Boyens, Birger"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1815"]
[BlackElo "1969"]
[PlyCount "62"]
[EventDate "2015.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Nc6 6. Be3 e5 7. Nc3 Bb4 8. dxe5 Qxe5 9. Nge2 Be6 10. Bd4 Qg5 11. a3 Nxd4 12. Qxd4 Rd8 13. f4 Qh4+ 14. g3 Rxd4 15. gxh4 Bxc3+ 16. bxc3 Ra4 17. Bg2 Ke7 18. Bxb7 Nf6 19. Bf3 Rb8 20. Kf2 Rb2 21. Kg3 Ba2 22. Nd4 Rxa3 23. Nc6+ Kd6 24. Nb4 Ne4+ 25. Bxe4 Rxb4 26. Bf3 Rb2 27. Rhd1+ Kc5 28. Rd3 Rc2 29. Bd5 Rcxc3 30. Rc1 Rxc1 31. Rxa3 Bxd5 0-1

[Event "Kiel op 28th"]
[Site "Kiel"]
[Date "2015.07.25"]
[Round "1"]
[White "Boyens, Birger"]
[Black "Lanka, Zigurds"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1969"]
[BlackElo "2419"]
[PlyCount "52"]
[EventDate "2015.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 d6 8. Bc4 Qc7 9. Qe2 Nbd7 10. 0-0 0-0 11. Nd5 Nxd5 12. Bxd5 Bxd2 13. Qxd2 Nf6 14. c4 Bg4 15. Nh4 Qe7 16. Nf5 Bxf5 17. exf5 Rac8 18. h3 Qd7 19. g4 Rfd8 20. a4 Rc7 21. b3 h5 22. f3 b5 23. cxb5 axb5 24. a5 Rc5 25. Be4 d5 26. Qb4 Qa7 0-1

[Event "Kiel op 28th"]
[Site "Kiel"]
[Date "2015.07.25"]
[Round "2"]
[White "Millgramm, Stephan"]
[Black "Boyens, Birger"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1846"]
[BlackElo "1969"]
[PlyCount "118"]
[EventDate "2015.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d5 4. exd5 Qxd5 5. Nf3 Bg4 6. Be2 d3 7. Qxd3 Qxd3 8. Bxd3 Bxf3 9. gxf3 Nc6 10. Be3 0-0-0 11. Be2 e5 12. Nd2 f5 13. Bg5 Rd6 14. Nc4 Rg6 15. Bd2 a5 16. a4 Nf6 17. Bf1 f4 18. Bh3+ Kb8 19. Bf5 Rg5 20. Bc2 Bc5 21. Kf1 Nd5 22. Rg1 Rxg1+ 23. Kxg1 Nb6 24. Nxb6 Bxb6 25. b4 Rd8 26. Be1 axb4 27. cxb4 Nd4 28. Be4 Nb3 29. Ra3 Rd1 30. Kf1 Nd4 31. Bxh7 Bc7 32. Ra2 Bd6 33. Rb2 Ra1 34. Be4 Rxa4 35. Kg2 Nc6 36. Bxc6 bxc6 37. Kh3 Ra1 38. Bd2 Rg1 39. b5 c5 40. Bc3 Rc1 41. Bd2 Rd1 42. Kg4 Rg1+ 43. Kf5 Kb7 44. Bc3 Be7 45. Bxe5 Rg5+ 46. Ke6 Rxe5+ 47. Kxe5 Bf6+ 48. Kd5 Bxb2 49. Kxc5 Bf6 50. h3 Bh4 51. Kd5 g5 52. Ke4 Kb6 53. Kd3 Bxf2 54. Kc4 Bc5 55. Kd3 Kxb5 56. Ke4 Bf2 57. Kd3 Kc5 58. Ke2 Bg3 59. Kd3 Kd5 0-1

[Event "Stuttgart-chA op"]
[Site "Ditzingen"]
[Date "2015.05.16"]
[Round "5"]
[White "Boyens, Birger"]
[Black "Langjahr, Marius"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1997"]
[BlackElo "1812"]
[PlyCount "87"]
[EventDate "2015.05.14"]
[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 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. c4 c6 6. Nc3 Ne7 7. Bd3 Be6 8. c5 Bc7 9. Ng5 Qd7 10. 0-0 h6 11. Nxe6 Qxe6 12. Re1 Qf6 13. Qe2 Bd8 14. Be3 0-0 15. Qc2 Nd7 16. b4 Bc7 17. a4 Rfb8 18. b5 Nf8 19. g3 Ne6 20. Ne2 Ng5 21. Bxg5 Qxg5 22. f4 Qf6 23. Kg2 Ba5 24. Rf1 Ng6 25. Rad1 Nf8 26. Ng1 Qe7 27. Rf2 f6 28. Nf3 Qf7 29. Nh4 Bc7 30. Nf5 Ne6 31. Qc3 Kf8 32. Re1 Re8 33. Nh4 Reb8 34. Rfe2 Nxf4+ 35. gxf4 Qh5 36. Ng6+ Kg8 37. Bc2 b6 38. Qe3 bxc5 39. Qe6+ Kh7 40. Ne5+ Kh8 41. Nf7+ Kg8 42. Nd8+ Kh8 43. Qe8+ Qxe8 44. Rxe8# 1-0

[Event "Stuttgart-chA op"]
[Site "Ditzingen"]
[Date "2015.05.16"]
[Round "6"]
[White "Schnepel, Thomas"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1930"]
[BlackElo "1997"]
[PlyCount "113"]
[EventDate "2015.05.14"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. c3 Bg7 12. Bd3 Ne7 13. Nxe7 Qxe7 14. 0-0 Bb7 15. Qe2 fxe4 16. Bxe4 d5 17. Bb1 b4 18. Nc2 bxc3 19. bxc3 Rc8 20. Ne3 Rxc3 21. Nf5 Qf6 22. Qg4 Bf8 23. Re1 Rc4 24. Qe2 e4 25. Ne3 Qxa1 26. Nxc4 Bb4 27. Rd1 Qf6 28. Ne3 Qe5 29. Ng4 Qg7 30. Ne3 Rg8 31. g3 Qe5 32. Bc2 Rg6 33. Rb1 a5 34. a3 Ba6 35. Ba4+ Kf8 36. Bb5 Bxb5 37. Qxb5 Bxa3 38. Qxa5 Bd6 39. Rb5 Qe6 40. Rxd5 Qc8 41. Qa1 Kg8 42. Qd4 Bf8 43. Rd8 Qh3 44. Nd5 Qh4 45. Rxf8+ Kxf8 46. Qh8+ Rg8 47. Qxg8+ Kxg8 48. gxh4 Kg7 49. Kg2 Kg6 50. Kg3 Kf5 51. Ne3+ Ke5 52. Kg4 Kd4 53. Kf4 Kd3 54. h5 Ke2 55. Kg3 h6 56. Ng4 f5 57. Nxh6 1-0

[Event "Stuttgart-chA op"]
[Site "Ditzingen"]
[Date "2015.05.15"]
[Round "3"]
[White "Boyens, Birger"]
[Black "Viehoff, Juergen"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1997"]
[BlackElo "1857"]
[PlyCount "65"]
[EventDate "2015.05.14"]
[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. h4 h5 8. Nf4 Nc6 9. Nxg6 fxg6 10. Bd3 Nge7 11. Nb5 Nc8 12. Bxg6+ Kd7 13. c4 cxd4 14. Nxd4 Qa5+ 15. Kf1 hxg4 16. Nxe6 Nxe5 17. b4 Qxb4 18. Nxf8+ Rxf8 19. Qxd5+ Qd6 20. Qxb7+ Ke6 21. Qxa8 Nxg6 22. Qe4+ Ne5 23. Kg2 Ne7 24. Re1 Qc6 25. Ba3 Qxe4+ 26. Rxe4 Rf5 27. Bxe7 Kxe7 28. Rae1 Kd6 29. Rxe5 Rxe5 30. Rxe5 Kxe5 31. Kg3 Kd4 32. Kxg4 Kxc4 33. Kg5 1-0

[Event "Stuttgart-chA op"]
[Site "Ditzingen"]
[Date "2015.05.15"]
[Round "4"]
[White "Gerstenberger, Heinz"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2129"]
[BlackElo "1997"]
[PlyCount "65"]
[EventDate "2015.05.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. b3 c5 2. Bb2 Nc6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Bd7 6. c4 Nxd4 7. Qxd4 e5 8. Qd2 Nf6 9. Nc3 a5 10. e3 Be7 11. Be2 Bc6 12. 0-0 0-0 13. Rfd1 Qb6 14. Rab1 Nd7 15. Ba3 Nc5 16. Nd5 Bxd5 17. Qxd5 Qc7 18. Bf3 Rab8 19. Bxc5 dxc5 20. Qd7 Rfc8 21. Rd5 Bf6 22. Qf5 Qb6 23. Rd7 g6 24. Qh3 a4 25. Bd5 Rf8 26. Qf3 axb3 27. Rxb3 Qa5 28. h4 Kg7 29. h5 Qxa2 30. Rb6 Bg5 31. Rxf7+ Rxf7 32. Qxf7+ Kh8 33. Rxb7 1-0

[Event "Stuttgart-chA op"]
[Site "Ditzingen"]
[Date "2015.05.14"]
[Round "1"]
[White "Boyens, Birger"]
[Black "Bilchinski, Anton"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1997"]
[BlackElo "2252"]
[PlyCount "120"]
[EventDate "2015.05.14"]
[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 e5 2. Nf3 Nf6 3. Nc3 d6 4. d4 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. Bb3 c6 8. a4 Qc7 9. a5 Rb8 10. Qe2 b5 11. axb6 axb6 12. h3 b5 13. Bd2 exd4 14. Nxd4 Nc5 15. Rfe1 b4 16. Na2 Ncxe4 17. Nxb4 Nxd2 18. Qxd2 c5 19. Nbc6 cxd4 20. Nxb8 Bb7 21. Na6 Qc6 22. f3 Bd8 23. Nb4 Qc5 24. Nd3 Qh5 25. Ra7 Bc6 26. Ra6 Bb7 27. Raa1 Nd7 28. Qf4 Qg6 29. Qg4 Qxg4 30. hxg4 Nc5 31. Nxc5 dxc5 32. Ra7 Bc6 33. Re5 d3 34. Rf5 c4 35. Ra6 cxb3 36. Rxc6 bxc2 37. Rd5 Bg5 38. Rxd3 c1Q+ 39. Rxc1 Bxc1 40. b4 g6 41. b5 Rb8 42. Rb3 Bf4 43. Kf1 Bc7 44. Ke2 Bb6 45. Kd3 Rd8+ 46. Ke4 f6 47. f4 Rd4+ 48. Kf3 Rc4 49. f5 Ba5 50. b6 Rc3+ 51. Rxc3 Bxc3 52. Ke4 Be5 53. g5 Kf7 54. g4 Bh2 55. gxf6 Kxf6 56. b7 g5 57. Kf3 h5 58. Kg2 Bb8 59. Kf3 hxg4+ 60. Kxg4 Bc7 0-1

[Event "Stuttgart-chA op"]
[Site "Ditzingen"]
[Date "2015.05.14"]
[Round "2"]
[White "Issaad, Pascal"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "A94"]
[WhiteElo "1845"]
[BlackElo "1997"]
[PlyCount "91"]
[EventDate "2015.05.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 f5 2. Nf3 Nf6 3. d4 e6 4. g3 c6 5. Bg2 d5 6. 0-0 Bd6 7. b3 0-0 8. Ba3 Bxa3 9. Nxa3 Nbd7 10. b4 Ne4 11. Qb3 Ndf6 12. Rac1 Qe8 13. b5 Qh5 14. bxc6 bxc6 15. Qa4 Bd7 16. Ne5 Ng4 17. Nxg4 fxg4 18. Bxe4 dxe4 19. Qc2 Qf5 20. e3 Rf6 21. Rb1 Rh6 22. Rb7 Be8 23. Rfb1 Qa5 24. R1b3 Qe1+ 25. Kg2 Rf6 26. c5 Bg6 27. Rb1 Qa5 28. Nc4 Qd8 29. Ne5 Qd5 30. Rd7 h5 31. Rxd5 exd5 32. Rb7 h4 33. gxh4 Bh5 34. Qb2 Rff8 35. Nxc6 Rae8 36. Rb8 Rxb8 37. Nxb8 g3 38. hxg3 Bf3+ 39. Kh3 g5 40. hxg5 Rf7 41. g4 Rh7+ 42. Kg3 Rh1 43. Qb7 Rg1+ 44. Kf4 Rxg4+ 45. Kf5 Rh4 46. Kf6 1-0

[Event "Kiel op-A 27th"]
[Site "Kiel"]
[Date "2014.08.07"]
[Round "8"]
[White "Werner, Rene"]
[Black "Boyens, Birger"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "1890"]
[BlackElo "1925"]
[PlyCount "87"]
[EventDate "2014.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 f5 4. Nf3 c6 5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8. c5 Qd8 9. b4 b6 10. Ne5 bxc5 11. dxc5 0-0 12. Ne2 Nfd7 13. Nxd7 Qxd7 14. f4 a5 15. a3 axb4 16. axb4 Rxa1 17. Qxa1 Qb7 18. Qc3 Na6 19. Nd4 Nxb4 20. Be2 Bd7 21. 0-0 Na6 22. Ra1 Nc7 23. Bd3 Ra8 24. Rb1 Qa7 25. Qb4 Na6 26. Bxa6 Qxa6 27. Qb7 Qa2 28. Rb2 Qa3 29. Kf2 Ra7 30. Qb8+ Kf7 31. Rb7 Rxb7 32. Qxb7 Ke8 33. Qb8+ Kf7 34. Qc7 Ke8 35. Qb8+ Kf7 36. Qc7 Ke8 37. Nxc6 Qa8 38. Nb8 Bb5 39. c6 Qa2+ 40. Kg3 Qe2 41. Qd7+ Kf8 42. Qxe6 Qg4+ 43. Kf2 Qh4+ 44. Kf3 1/2-1/2

[Event "Kiel op-A 27th"]
[Site "Kiel"]
[Date "2014.08.02"]
[Round "1"]
[White "Boyens, Birger"]
[Black "Kang, Chuanqi"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1925"]
[BlackElo "2302"]
[PlyCount "106"]
[EventDate "2014.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be6 8. f4 Qc7 9. f5 Bc4 10. Nd2 d5 11. Nxc4 dxc4 12. Qe2 Bb4 13. Bd2 Nc6 14. Qxc4 0-0-0 15. Bd3 Rd4 16. Qa2 Na5 17. 0-0 Nc4 18. Bxc4 Rxc4 19. Rf3 Bxc3 20. Bxc3 Re8 21. Kh1 Nxe4 22. Ba5 Qc6 23. c3 Nf6 24. Rd3 b6 25. Rd6 Qxd6 26. Qxc4+ Kb7 27. Bb4 Qd7 28. Qe2 e4 29. g4 Qc6 30. Kg1 a5 31. Ba3 e3 32. Rd1 Re4 33. h3 Nd5 34. Rf1 Nf4 35. Rxf4 Rxf4 36. Qxe3 Qe4 37. Qd2 Qb1+ 38. Kh2 Qe4 39. Qd7+ Ka6 40. Qb5+ Ka7 41. Qd7+ Qb7 42. Qxb7+ Kxb7 43. Bf8 g6 44. fxg6 fxg6 45. Bg7 Rxa4 46. Bf8 Rf4 47. Ba3 Rf3 48. Kg2 Rd3 49. h4 Kc6 50. h5 gxh5 51. gxh5 Rd5 52. h6 Rg5+ 53. Kf3 Rh5 0-1

[Event "Kiel op-A 26th"]
[Site "Kiel"]
[Date "2013.07.28"]
[Round "4"]
[White "Boyens, Birger"]
[Black "Saglam, Buelent"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "1941"]
[BlackElo "2115"]
[PlyCount "138"]
[EventDate "2013.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Bc5 7. c3 0-0 8. d3 d5 9. Bg5 dxe4 10. dxe4 Qd6 11. 0-0 Na5 12. Bc2 Nb7 13. Rd1 Qe7 14. Nbd2 Nd8 15. a4 Rb8 16. axb5 axb5 17. b4 Bb6 18. Be3 Bxe3 19. Qxe3 Ng4 20. Qg5 f6 21. Bb3+ Kh8 22. Qh4 c5 23. h3 Nh6 24. bxc5 Qxc5 25. c4 b4 26. Nf1 Be6 27. Ne3 Nc6 28. Ra6 Ra8 29. Rda1 Rxa6 30. Rxa6 Bc8 31. Ra2 Na5 32. Nd2 Nf7 33. Ba4 Rd8 34. Nb3 Nxb3 35. Bxb3 Rd3 36. Rb2 Ng5 37. Qh5 g6 38. Qe2 Rd4 39. f3 Ne6 40. Kh2 Nf4 41. Qc2 f5 42. Nd5 fxe4 43. fxe4 Kg7 44. Qf2 Qf8 45. Qh4 h6 46. Ra2 g5 47. Ra7+ Kh8 48. Nxf4 exf4 49. Qh5 Be6 50. Qg6 Rd7 51. Ra6 Bg8 52. Qh5 Rd6 53. Ra7 Qb8 54. e5 Re6 55. Ra5 Kg7 56. Qe2 Qb6 57. Rd5 Re7 58. c5 Qc7 59. e6 f3+ 60. Qe5+ Qxe5+ 61. Rxe5 Kf6 62. Re3 fxg2 63. c6 Bxe6 64. c7 Bxh3 65. Rxh3 Rxc7 66. Rxh6+ Ke5 67. Kxg2 Rc3 68. Bf7 g4 69. Rb6 Rc2+ 1/2-1/2

[Event "Kiel op-A 26th"]
[Site "Kiel"]
[Date "2013.07.27"]
[Round "2"]
[White "Boyens, Birger"]
[Black "Rulofs, Henrik"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1941"]
[BlackElo "1799"]
[PlyCount "27"]
[EventDate "2013.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Bc5 6. Nb3 Be7 7. e5 Nd5 8. c4 Nb6 9. Nc3 Qc7 10. Qe2 a6 11. Bf4 d5 12. exd6 Bxd6 13. Bxd6 Qxd6 14. c5 1-0

[Event "Kiel op-A 26th"]
[Site "Kiel"]
[Date "2013.07.27"]
[Round "1"]
[White "Stopa, Jacek"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2491"]
[BlackElo "1941"]
[PlyCount "53"]
[EventDate "2013.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. g4 e5 2. Bg2 d5 3. h3 Bc5 4. c4 c6 5. Qa4 Qh4 6. e3 d4 7. b4 dxe3 8. dxe3 Bd6 9. Bb2 Qe7 10. c5 Bc7 11. Ne2 h5 12. gxh5 Nf6 13. Nd2 Be6 14. b5 Bd5 15. Bxd5 Nxd5 16. b6 Bd8 17. Qxa7 Rxa7 18. bxa7 Na6 19. a8Q Nxc5 20. 0-0 Qg5+ 21. Ng3 e4 22. Qc8 Nxe3 23. Rfe1 0-0 24. Rxe3 f5 25. Ndxe4 Nxe4 26. Qe6+ Kh7 27. Qg6+ 1-0

[Event "Kiel op 22nd"]
[Site "Kiel"]
[Date "2009.08.04"]
[Round "6"]
[White "Boyens, Birger"]
[Black "Goers, Joachim"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1953"]
[BlackElo "2018"]
[PlyCount "69"]
[EventDate "2009.08.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qxf6 Nxf6 9. Nc3 Nb4 10. Kd1 d5 11. a3 d4 12. axb4 dxc3 13. f3 Be6 14. bxc3 0-0 15. c4 Rad8+ 16. Ke1 Nd7 17. c5 Nb8 18. g4 Nc6 19. c3 Rd7 20. Be2 Na7 21. Bb2 Nb5 22. c6 bxc6 23. Rxa6 Rfd8 24. Rxc6 Na7 25. Rc5 Rd2 26. Bc1 Rc2 27. Be3 Rb2 28. Rf1 h6 29. Rxe5 Bb3 30. Bxa7 Rdd2 31. Rf2 Rd7 32. Bd3 Rxf2 33. Kxf2 Rxd3 34. b5 Rxc3 35. b6 1-0

[Event "Kiel op 22nd"]
[Site "Kiel"]
[Date "2009.08.04"]
[Round "5"]
[White "Ghadimi, Mohammed Reza"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "2115"]
[BlackElo "1953"]
[PlyCount "174"]
[EventDate "2009.08.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 e5 6. Nb3 Be6 7. g3 Qd7 8. Nd5 Rc8 9. h3 Nge7 10. Bg2 f5 11. c3 Bxd5 12. exd5 Nd8 13. Be3 b6 14. a4 g6 15. Bf1 Qb7 16. c4 Bg7 17. Qd2 Nf7 18. Qb4 Rc7 19. Qb5+ Rd7 20. a5 bxa5 21. Rxa5 0-0 22. Rxa7 Qxb5 23. cxb5 Rxa7 24. Bxa7 Nxd5 25. Bc4 Nb4 26. 0-0 d5 27. Be2 Ra8 28. b6 Nd6 29. Rc1 d4 30. Rc7 d3 31. Bd1 Na6 32. Rd7 Nb5 33. Na5 e4 34. Bb3+ Kh8 35. Bc4 Nd4 36. Bxa6 d2 37. Rxd4 Bxd4 38. Be2 Rc8 39. Nb3 Rc1+ 40. Kg2 Bxb6 41. Bxb6 d1Q 42. Bxd1 Rxd1 43. Be3 Kg8 44. Bd2 Kf7 45. Bc3 g5 46. Nc5 Kg6 47. g4 h5 48. gxf5+ Kxf5 49. Nb3 Ke6 50. Nd2 Kd5 51. Nf1 Rb1 52. Ng3 h4 53. Nf1 Rc1 54. Bd2 Rb1 55. Bxg5 Rxb2 56. Bxh4 Ke6 57. Ne3 Ra2 58. Bg5 Kf7 59. Kg3 Kg6 60. h4 Kh5 61. Ng4 Ra3+ 62. Be3 Ra6 63. Bg5 Ra3+ 64. Ne3 Ra8 65. Ng2 Ra3+ 66. Be3 Ra8 67. Nf4+ Kh6 68. Kg4 Ra4 69. Ne6+ Kg6 70. h5+ Kf6 71. h6 Kg6 72. Nd4 Ra1 73. Ne2 Ra2 74. Ng3 Rxf2 75. Bxf2 Kxh6 76. Nxe4 Kg6 77. Bd4 Kh6 78. Kf5 Kh5 79. Bf6 Kh6 80. Ng3 Kh7 81. Ke6 Kg6 82. Bh4 Kg7 83. Nh5+ Kh6 84. Nf4 Kg7 85. Bg5 Kf8 86. Nh5 Kg8 87. Nf6+ Kf8 1-0

[Event "Kiel op 22nd"]
[Site "Kiel"]
[Date "2009.08.03"]
[Round "3"]
[White "Berenstein, Alexander"]
[Black "Boyens, Birger"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2116"]
[BlackElo "1953"]
[PlyCount "88"]
[EventDate "2009.08.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. c4 e6 4. a3 Be7 5. Nc3 0-0 6. g3 b6 7. Bg2 Bb7 8. 0-0 Qe8 9. Bf4 d6 10. Qb3 Ne4 11. Rad1 Nxc3 12. Qxc3 Nd7 13. Bc1 Bf6 14. Qd2 Qh5 15. Nh4 Bxg2 16. Nxg2 g5 17. f4 g4 18. e4 fxe4 19. Qe2 Qg6 20. Ne3 h5 21. f5 exf5 22. Nxf5 Rae8 23. Kg2 Bg5 24. Bxg5 Rxf5 25. Bf4 c6 26. b4 a5 27. c5 axb4 28. axb4 bxc5 29. dxc5 d5 30. Bd6 Rf3 31. b5 cxb5 32. Rxd5 Rxf1 33. Qxf1 e3 34. Kg1 e2 35. Qe1 Nf6 36. Re5 Qd3 37. Rxe8+ Nxe8 38. Kf2 Qf3+ 39. Kg1 b4 40. Bf4 b3 41. Bc1 Nc7 42. Bb2 Nd5 43. c6 Ne3 44. Qf2 e1R+ 0-1

[Event "Kiel op 22nd"]
[Site "Kiel"]
[Date "2009.08.01"]
[Round "1"]
[White "Buecker, Stefan"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "2345"]
[BlackElo "1953"]
[PlyCount "68"]
[EventDate "2009.08.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e5 6. f4 Nge7 7. Nh3 d6 8. 0-0 Bd7 9. f5 f6 10. Nb5 Qb8 11. c3 a6 12. Na3 Qa7 13. Nc4 Nc8 14. a4 Qb8 15. g4 b5 16. axb5 axb5 17. Rxa8 Qxa8 18. Ne3 0-0 19. g5 N8e7 20. fxg6 hxg6 21. Ng4 f5 22. exf5 Nxf5 23. Bd5+ Kh8 24. Qe1 Qa4 25. Be4 Nce7 26. Nf6 Be6 27. c4 Bxf6 28. gxf6 Rxf6 29. Bg5 Rf7 30. Bxe7 Rxe7 31. Bxf5 gxf5 32. Qh4+ Rh7 33. Qf6+ Rg7+ 34. Ng5 Kg8 1-0

[Event "Stuttgart-chA int"]
[Site "Ditzingen"]
[Date "2009.05.24"]
[Round "7"]
[White "Boyens, Birger"]
[Black "Gruenert, Thomas"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "1908"]
[BlackElo "1970"]
[PlyCount "79"]
[EventDate "2009.05.21"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Be3 a6 7. 0-0 Qc7 8. Nxc6 dxc6 9. f4 b5 10. Nc3 Bb4 11. Bd4 Bb7 12. Ne2 c5 13. Be5 Qe7 14. c3 Ba5 15. Ng3 Rd8 16. Qe2 0-0 17. Bxf6 Qxf6 18. e5 Qh6 19. Be4 Bd5 20. Bxd5 Rxd5 21. a4 Bb6 22. Kh1 c4 23. axb5 axb5 24. Ne4 Qh4 25. Rf3 Rd3 26. Nd6 Qg4 27. Nxb5 Rfd8 28. Nd6 h6 29. Nxc4 Qf5 30. Nxb6 Rd2 31. Qe3 Qc2 32. Qg1 Qb3 33. c4 Qxb2 34. Rb1 Qc2 35. Rff1 Re2 36. Rbc1 Qa2 37. Rfd1 Rdd2 38. Rxd2 Rxd2 39. c5 Qb2 40. Nc4 1-0

[Event "Stuttgart-chA int"]
[Site "Ditzingen"]
[Date "2009.05.23"]
[Round "6"]
[White "Bissbort, Julian"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2053"]
[BlackElo "1908"]
[PlyCount "79"]
[EventDate "2009.05.21"]
[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 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 cxd4 6. cxd4 Bg4 7. Be2 e5 8. Nc3 Bb4 9. 0-0 Bxc3 10. bxc3 e4 11. Nd2 Bf5 12. Rb1 Nge7 13. Rxb7 Qxa2 14. Bc4 Qa5 15. d5 Nd8 16. Rb5 Qc7 17. Ba3 Nb7 18. Ba2 Nd6 19. Rc5 Qb6 20. Qa4+ Bd7 21. Qd4 Nb7 22. Nc4 Qf6 23. Qxf6 gxf6 24. Rc7 Nxd5 25. Rxb7 Nxc3 26. Nd6+ Kd8 27. Nxf7+ Kc8 28. Nd6+ Kd8 29. Bc4 Rf8 30. Rb3 Na4 31. Nxe4 Nb6 32. Rxb6 axb6 33. Bxf8 Bc6 34. Nxf6 b5 35. Rd1+ Kc7 36. Bd6+ Kb6 37. Bd5 Bxd5 38. Nxd5+ Kc6 39. Nb4+ Kb6 40. h4 1-0

[Event "Stuttgart-chA int"]
[Site "Ditzingen"]
[Date "2009.05.23"]
[Round "5"]
[White "Boyens, Birger"]
[Black "Pogan, Nikolas"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1908"]
[BlackElo "2050"]
[PlyCount "120"]
[EventDate "2009.05.21"]
[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. Bd3 Bxd3 5. Qxd3 e6 6. Nf3 Qb6 7. 0-0 Nd7 8. a4 a5 9. Re1 Ne7 10. Ra3 h5 11. Rb3 Qc7 12. Nc3 Nf5 13. Bg5 Bb4 14. Nh4 Nxh4 15. Bxh4 Nb6 16. Qg3 g6 17. Ra1 Nc4 18. Qg5 Rb8 19. Ne2 Be7 20. Qxe7+ Qxe7 21. Bxe7 Kxe7 22. Nc3 h4 23. Rd1 h3 24. gxh3 Kd7 25. Rd3 Rh4 26. Kg2 Kc7 27. Rf3 Rf8 28. Rd3 Rfh8 29. Ne2 R8h7 30. Kf1 g5 31. Ke1 g4 32. hxg4 Rxh2 33. Ng3 Rg7 34. Rf3 Nb6 35. Nh5 Rh7 36. Nf6 Rh8 37. Ra3 Rh1+ 38. Ke2 Rb1 39. b3 Kd8 40. Nh5 Ke7 41. Rd3 Rg1 42. Rg3 Rh1 43. f4 Rg8 44. Nf6 Rgh8 45. f5 R8h2+ 46. Kd3 Rd1+ 47. Kc3 Rdd2 48. Ra2 c5 49. Rd3 cxd4+ 50. Rxd4 Rdf2 51. fxe6 fxe6 52. Rd3 Rfg2 53. Rf3 Kd8 54. Rf4 Kc7 55. Ne8+ Kc6 56. Rf6 Kc5 57. Nc7 d4+ 58. Kd3 Rh3+ 59. Ke4 Rxg4+ 60. Rf4 Re3# 1-0

[Event "Stuttgart-chA int"]
[Site "Ditzingen"]
[Date "2009.05.22"]
[Round "4"]
[White "Koerber, Thomas"]
[Black "Boyens, Birger"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2070"]
[BlackElo "1908"]
[PlyCount "63"]
[EventDate "2009.05.21"]
[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. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. 0-0 Ne4 6. Nbd2 f5 7. c4 d6 8. Qc2 Nxd2 9. Nxd2 Nc6 10. a3 Qf6 11. b4 Qg6 12. f3 Be7 13. b5 Nd8 14. e4 0-0 15. exf5 exf5 16. Bb2 Qh6 17. Rae1 Bg5 18. Re2 Be3+ 19. Kh1 Bf4 20. h3 Qh4 21. Rfe1 Bg3 22. Rd1 g6 23. d5 Nf7 24. Nf1 Be5 25. Rf2 Rae8 26. Bxe5 Rxe5 27. f4 Re7 28. Qd2 Rfe8 29. Nh2 Re3 30. Rf3 R3e7 31. Rff1 Re3 32. Rf3 1/2-1/2

[Event "Stuttgart-chA int"]
[Site "Ditzingen"]
[Date "2009.05.21"]
[Round "3"]
[White "Boyens, Birger"]
[Black "Ackermann, Hermann"]
[Result "1-0"]
[ECO "E80"]
[WhiteElo "1908"]
[BlackElo "1971"]
[PlyCount "58"]
[EventDate "2009.05.21"]
[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 g6 2. d4 d6 3. c4 Bg7 4. Nc3 c6 5. Be3 Nf6 6. f3 Nbd7 7. Qd2 Qa5 8. Bd3 a6 9. Nge2 b5 10. 0-0 0-0 11. a3 bxc4 12. Bxc4 c5 13. Nd5 Qd8 14. Rfd1 cxd4 15. Bxd4 Bb7 16. Nec3 Ne8 17. Rac1 Bxd4+ 18. Qxd4 e6 19. Ne3 Qb6 20. Qd2 Ne5 21. Ba2 Rd8 22. Kh1 Ba8 23. b4 Qa7 24. Ne2 d5 25. exd5 exd5 26. Qc3 Qe7 27. Bxd5 Nf6 28. Bxa8 Rxa8 29. Nf4 Rad8 1-0

[Event "Stuttgart-chA int"]
[Site "Ditzingen"]
[Date "2009.05.21"]
[Round "1"]
[White "Boyens, Birger"]
[Black "Imhof, Thomas"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1908"]
[BlackElo "2120"]
[PlyCount "102"]
[EventDate "2009.05.21"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nb3 Be7 8. Be3 0-0 9. 0-0 a6 10. a4 Be6 11. Nd2 d5 12. exd5 Nxd5 13. Nxd5 Bxd5 14. Nc4 Be6 15. Qxd8 Raxd8 16. c3 f5 17. Bb6 Rd5 18. Rfd1 Kf7 19. b4 Bf6 20. Nd6+ Kg6 21. Nxb7 e4 22. b5 axb5 23. a5 Bxc3 24. Rxd5 Bxd5 25. Rd1 Ne7 26. a6 Rf6 27. Bd8 Rxa6 28. Nc5 Ra2 29. Bxb5 Ra5 30. Be8+ Kf6 31. Nd7+ Ke6 32. Nf8+ Kd6 33. Bxa5 Bxa5 34. Nxh7 Ke6 35. Ng5+ Kf6 36. h4 e3 37. fxe3 Bb6 38. Nh7+ Ke5 39. Kf2 f4 40. Re1 Nf5 41. Bb5 Bxe3+ 42. Rxe3+ fxe3+ 43. Ke2 Kf4 44. Bd7 Nd4+ 45. Kd3 Be4+ 46. Kc3 Bxh7 47. Be8 e2 48. Kd2 Kg3 49. Ke1 Bd3 50. Ba4 Kxg2 51. h5 Nf3# 0-1

[Event "Stuttgart-chA int"]
[Site "Ditzingen"]
[Date "2009.05.21"]
[Round "2"]
[White "Schuster, Gerhard"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2038"]
[BlackElo "1908"]
[PlyCount "139"]
[EventDate "2009.05.21"]
[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 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nd4 6. Nxd4 cxd4 7. c4 a6 8. Ba4 Qc7 9. d3 h5 10. Nd2 Nf6 11. Nf3 Ng4 12. h3 Nh6 13. Bg5 Qa5 14. Bd2 Qc7 15. b4 0-0 16. c5 b6 17. Qc1 Kh7 18. Bf4 Qa7 19. Ng5+ Kh8 20. Ne6 fxe6 21. Bxh6 bxc5 22. Qg5 Kh7 23. Bxg7 Kxg7 24. Qxe7+ Rf7 25. Qxc5 Qxc5 26. bxc5 a5 27. Rab1 Ba6 28. Bb5 Kf6 29. Bxa6 Rxa6 30. Rb6 Ra7 31. Reb1 Ke7 32. c6 Kf6 33. R1b5 dxc6 34. Rc5 Rfc7 35. Kf1 Ke7 36. e5 Kd7 37. Ke2 Rc8 38. a4 g5 39. f3 Rcc7 40. Kf2 h4 41. f4 gxf4 42. Kf3 Ra8 43. Kxf4 Rg8 44. Rb2 Ra7 45. Ke4 Rf8 46. Rb6 Rc7 47. Rxa5 Rf2 48. Ra8 c5 49. Rd6+ Ke7 50. Rh8 Re2+ 51. Kf4 Rf2+ 52. Kg4 Rxg2+ 53. Kxh4 Rg7 54. Rh6 Ra7 55. Rhxe6+ Kf7 56. Rf6+ Ke8 57. Ra6 Rh7+ 58. Kg4 Rag7+ 59. Rg6 Rxg6+ 60. Rxg6 Ra7 61. h4 Rxa4 62. h5 Ra1 63. h6 Kf7 64. Rf6+ Kg8 65. Kf5 c4 66. dxc4 Kh7 67. Ke4 Rd1 68. Rd6 d3 69. Rxd3 Re1+ 70. Re3 1-0

[Event "Berliner Sommer 12th"]
[Site "Berlin"]
[Date "1994.??.??"]
[Round "?"]
[White "Boyens, Birger"]
[Black "Krueger, Olaf"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "154"]
[EventDate "1994.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Bg4 6. Bc4 e6 7. 0-0 Nf6 8. h3 Bh5 9. Re1 Be7 10. Bf4 0-0 11. Ne4 Qf5 12. Nxf6+ Bxf6 13. Bxb8 Bxf3 14. Qxf3 Qxf3 15. gxf3 Raxb8 16. c3 Rbd8 17. Re4 Rd6 18. Rae1 Rfd8 19. f4 g6 20. Kg2 Kg7 21. Kf3 Rc8 22. Rd1 c5 23. Bb3 Rcd8 24. Ke3 Bh4 25. Ke2 Bf6 26. Ke3 Kf8 27. Rd3 Bg7 28. f3 b5 29. Rd1 c4 30. Bc2 f5 31. Re5 Bxe5 32. fxe5 Rb6 33. a3 a5 34. f4 b4 35. axb4 axb4 36. Ra1 Rdb8 37. Ra7 R6b7 38. Ra6 Rb6 39. Ra7 R8b7 40. Ra8+ Kg7 41. Rc8 b3 42. Bd1 Ra7 43. Rxc4 Ra2 44. Rc7+ Kf8 45. Rxh7 Rxb2 46. c4 Rb1 47. c5 Ra6 48. Be2 b2 49. Rb7 Ra3+ 50. Kd2 Rxh3 51. d5 exd5 52. e6 Rh2 53. e7+ Ke8 54. c6 Rc1 55. Rxb2 Rxc6 56. Kd3 Re6 57. Rb8+ Kxe7 58. Bd1 Rh3+ 59. Kd4 Re4+ 60. Kc5 Rc3+ 61. Kb5 Rxf4 62. Rb7+ Kf6 63. Rb6+ Kg5 64. Rd6 Rd4 65. Be2 Rd2 66. Bf1 Rb2+ 67. Ka4 Rc1 68. Ka3 Rb8 69. Ka2 Rxf1 70. Rxd5 Rc1 71. Rd4 f4 72. Rd3 Rc7 73. Ra3 f3 74. Ra5+ Kg4 75. Ra4+ Kg3 76. Ra3 Kg2 77. Ka1 g5 0-1

[Event "Berliner Sommer 12th"]
[Site "Berlin"]
[Date "1994.??.??"]
[Round "?"]
[White "Lingnau, Carsten"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "A70"]
[WhiteElo "2400"]
[PlyCount "85"]
[EventDate "1994.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. h3 Bg7 8. Nf3 0-0 9. Bd3 a6 10. a4 Re8 11. 0-0 c4 12. Bc2 Nbd7 13. Re1 Nc5 14. Bf4 Nh5 15. Bh2 Qb6 16. Rb1 Nd7 17. g4 Nhf6 18. Bf4 Qc7 19. Nd2 Rb8 20. Nf3 b6 21. Qd2 Bb7 22. Rbc1 Rbc8 23. Nd4 Qc5 24. Be3 Qb4 25. Rb1 Nc5 26. f3 Nfd7 27. Qd1 Nb3 28. Bxb3 cxb3 29. Qxb3 Qxb3 30. Nxb3 Bxc3 31. bxc3 Rxc3 32. Kf2 Ne5 33. Kg3 Nc4 34. Bd4 Rd3 35. Red1 Rxd1 36. Rxd1 b5 37. axb5 axb5 38. Bf6 Ra8 39. Nd4 b4 40. Rb1 Ne3 41. Rxb4 Bxd5 42. Bg5 Nf1+ 43. Kf2 1-0

[Event "Cuxhaven op 2nd"]
[Site "Cuxhaven"]
[Date "1992.04.14"]
[Round "7"]
[White "Blancke, Stefan"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "2240"]
[PlyCount "47"]
[EventDate "1992.04.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 e6 4. Nc3 cxd4 5. Nxd4 Nc6 6. g3 Qb6 7. Nb3 Ng4 8. e3 f5 9. Nb5 Bb4+ 10. Bd2 0-0 11. Rc1 a5 12. c5 Qd8 13. a3 Bxd2+ 14. Qxd2 e5 15. Bc4+ Kh8 16. Nd6 e4 17. Nd4 Nge5 18. Be2 Ne7 19. f4 exf3 20. Nxf3 N7c6 21. 0-0 b6 22. Nxe5 Nxe5 23. Qd5 Qg5 24. Qxe5 1-0

[Event "Cuxhaven op 2nd"]
[Site "Cuxhaven"]
[Date "1992.04.11"]
[Round "1"]
[White "Boyens, Birger"]
[Black "Radulov, Ivan"]
[Result "0-1"]
[ECO "B70"]
[BlackElo "2400"]
[PlyCount "56"]
[EventDate "1992.04.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. 0-0 0-0 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 d6 10. e4 Be6 11. Qd3 Rc8 12. Nd5 Nd7 13. f4 Nb6 14. f5 Bxd5 15. cxd5 Nc4 16. Qb3 Qc7 17. Rb1 Na5 18. Qd3 Qc2 19. Qxc2 Rxc2 20. fxg6 hxg6 21. Bh3 Bd4+ 22. Kh1 Kg7 23. b4 Nc4 24. Bg5 Rxa2 25. Bxe7 Rh8 26. Bg2 Ne3 27. Rg1 Ng4 28. h4 Be5 0-1

[Event "Schleswig Holstein-ch cand"]
[Site "Schleswig Holstein"]
[Date "1991.??.??"]
[Round "?"]
[White "Bohl, Rolf"]
[Black "Boyens, Birger"]
[Result "0-1"]
[ECO "A70"]
[PlyCount "75"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. g3 0-0 9. Bg2 Re8 10. Nd2 a6 11. a4 Nfd7 12. 0-0 Qc7 13. Nc4 Ne5 14. Nxe5 Bxe5 15. Be3 Nd7 16. Qc2 Rb8 17. Ne2 Bg7 18. f4 b5 19. axb5 Rxb5 20. Bd4 Qb6 21. Bxg7 Kxg7 22. Rab1 Nf6 23. h3 a5 24. Kh2 Rb4 25. f5 g5 26. Nc3 Bd7 27. Rfe1 a4 28. Bf3 Kg8 29. Re2 a3 30. Nd1 Ba4 31. Qd2 h6 32. e5 dxe5 33. d6 Rd4 34. Qc3 Bxd1 35. Rxe5 Bxf3 36. Qxf3 Rd2+ 37. Kg1 Qxd6 38. Qxa3 0-1

[Event "Schleswig Holstein-ch cand"]
[Site "Schleswig Holstein"]
[Date "1991.??.??"]
[Round "?"]
[White "Bollow, Thomas"]
[Black "Boyens, Birger"]
[Result "1-0"]
[ECO "E65"]
[PlyCount "73"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 c5 7. d4 Na6 8. b3 Bg4 9. h3 Bxf3 10. Bxf3 Qc8 11. Kh2 cxd4 12. Qxd4 Nc5 13. Bb2 h5 14. Qd2 e5 15. Nd5 Nxd5 16. Bxd5 Kh7 17. b4 Na4 18. Ba3 f5 19. Rac1 f4 20. Qd3 Bh6 21. e3 Nb6 22. Be4 Rf6 23. c5 dxc5 24. bxc5 Nd7 25. exf4 exf4 26. Rc2 Ne5 27. Qd1 Qf8 28. Qxh5 fxg3+ 29. Kxg3 Rf3+ 30. Kg2 Rxa3 31. Qxe5 Re8 32. Qd5 Ra4 33. Qd7+ Re7 34. Qxa4 Qf4 35. Re2 Qg5+ 36. Kh1 Qh4 37. Bxg6+ 1-0

[Event "Schleswig Holstein-ch cand"]
[Site "Schleswig Holstein"]
[Date "1991.??.??"]
[Round "?"]
[White "Boyens, Birger"]
[Black "Koop, Thilo"]
[Result "0-1"]
[ECO "A40"]
[PlyCount "62"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 g6 2. d4 Bg7 3. Nc3 a6 4. e4 Nc6 5. Be3 e5 6. d5 Nd4 7. c5 d6 8. cxd6 cxd6 9. Nge2 Nxe2 10. Bxe2 Ne7 11. Qd2 0-0 12. g4 Bd7 13. Bh6 Bb5 14. Bxg7 Kxg7 15. Bxb5 axb5 16. Nxb5 Qd7 17. Qe2 Ra5 18. Nc3 Rc8 19. 0-0 g5 20. Qf3 Ng6 21. Qf5 Qd8 22. Qf3 Nf4 23. Ne2 Rc2 24. Nxf4 gxf4 25. Rfb1 Qb6 26. b3 Rac5 27. Rf1 R5c3 28. Qg2 f3 29. Qg3 Qd4 30. Rfe1 Qd2 31. Qh4 Rc1 0-1

[Event "Schleswig Holstein-ch cand"]
[Site "Schleswig Holstein"]
[Date "1991.??.??"]
[Round "?"]
[White "Boyens, Birger"]
[Black "Krueger, Axel"]
[Result "1/2-1/2"]
[ECO "A51"]
[PlyCount "83"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e5 3. dxe5 Ne4 4. Nf3 Nc6 5. e3 Bb4+ 6. Nbd2 d5 7. exd6 Qxd6 8. Be2 Bf5 9. 0-0 Bxd2 10. Nxd2 Qg6 11. Nxe4 Bxe4 12. f3 Bc2 13. Qd2 Rd8 14. Qc3 0-0 15. b4 Rfe8 16. Bb2 Rd6 17. c5 Rd5 18. Rf2 Red8 19. e4 Rd2 20. Bf1 Rxf2 21. Kxf2 Qg5 22. Bc1 Qh4+ 23. Kg1 Ba4 24. Be3 Qh5 25. f4 Qg6 26. b5 Ne7 27. Qb4 Bc2 28. f5 Qg4 29. Re1 Nxf5 30. h3 Qh4 31. Bf2 Qf4 32. Qc4 Rd2 33. Be2 Bd3 34. Qd5 Bxe2 35. Qxf5 Qxf5 36. exf5 Bxb5 37. Re7 f6 38. Rxc7 Bc6 39. Rc8+ Kf7 40. Rc7+ Rd7 41. Rxd7+ Bxd7 42. g4 1/2-1/2

[Event "Schleswig Holstein-ch cand"]
[Site "Schleswig Holstein"]
[Date "1991.??.??"]
[Round "?"]
[White "Boyens, Birger"]
[Black "Mueller, Alfred"]
[Result "1-0"]
[ECO "B32"]
[PlyCount "35"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 e6 4. d5 exd5 5. exd5 Nb4 6. c3 Qe7+ 7. Be2 Na6 8. 0-0 Qf6 9. Bg5 Qg6 10. Bxa6 Qxa6 11. Re1+ Be7 12. Bxe7 Nxe7 13. d6 0-0 14. Rxe7 Qb5 15. Qd2 b6 16. Ne5 f6 17. Qd5+ Kh8 18. Nf7+ 1-0

[Event "Schleswig Holstein-ch cand"]
[Site "Schleswig Holstein"]
[Date "1991.??.??"]
[Round "?"]
[White "Boyens, Birger"]
[Black "Schmidt, Niels Peter"]
[Result "1-0"]
[ECO "B38"]
[PlyCount "97"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. e4 d6 5. d4 cxd4 6. Nxd4 g6 7. Be2 Bd7 8. Be3 Bg7 9. 0-0 0-0 10. f4 Nxd4 11. Bxd4 Bc6 12. Bf3 Ne8 13. Nd5 e6 14. Nb4 Bxd4+ 15. Qxd4 Qb6 16. Qxb6 axb6 17. Rfd1 f6 18. Rd3 Rf7 19. Nxc6 bxc6 20. Rb3 Ra6 21. a3 e5 22. g3 Kf8 23. Rd1 Rc7 24. Bg4 Ke7 25. f5 g5 26. Be2 c5 27. h4 Rd7 28. hxg5 fxg5 29. Kf2 Nf6 30. Ke3 g4 31. Rbd3 h5 32. Rh1 Kd8 33. Rdd1 Kc7 34. Rh4 Rg7 35. Rdh1 Rg5 36. Bd3 Ra4 37. Rd1 Rg8 38. Rh2 Rd8 39. Kd2 b5 40. cxb5 Rd4 41. Ke3 Nxe4 42. Rxh5 Nxg3 43. Rh7+ Rd7 44. b6+ Kc8 45. Ba6+ Kd8 46. Rh8+ Ke7 47. Rxd4 cxd4+ 48. Kd3 Rd8 49. f6+ 1-0

[Event "Schleswig Holstein-ch cand"]
[Site "Schleswig Holstein"]
[Date "1991.??.??"]
[Round "?"]
[White "Boyens, Birger"]
[Black "Stomprowski, Eckhard"]
[Result "1/2-1/2"]
[ECO "B84"]
[PlyCount "62"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. f4 Be7 8. Be3 0-0 9. 0-0 Qc7 10. Qe1 b5 11. a3 Bb7 12. Bf3 Nbd7 13. Rd1 Nc5 14. Bc1 Rac8 15. g4 Qb6 16. g5 Nfd7 17. Kh1 f5 18. gxf6 Bxf6 19. Be3 Bxd4 20. Bxd4 e5 21. Bg1 Qc7 22. f5 Nf6 23. Qh4 Rfd8 24. Be3 Qf7 25. Rg1 Kh8 26. Rd2 Ne8 27. Bh5 Qxf5 28. Rf2 Nxe4 29. Nxe4 Bxe4+ 30. Rgg2 Bxg2+ 31. Kg1 Qxf2+ 1/2-1/2

[Event "Schleswig Holstein-ch cand"]
[Site "Schleswig Holstein"]
[Date "1991.??.??"]
[Round "?"]
[White "Haberer, Volker"]
[Black "Boyens, Birger"]
[Result "1/2-1/2"]
[ECO "A29"]
[PlyCount "81"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d6 5. Bg2 Be6 6. d3 Be7 7. Rb1 d5 8. cxd5 Nxd5 9. 0-0 0-0 10. Nxd5 Bxd5 11. a3 a5 12. b3 e4 13. Ne1 exd3 14. e4 Be6 15. Nxd3 Qc8 16. Bb2 Rd8 17. Qc2 Nd4 18. Bxd4 Rxd4 19. a4 Qd7 20. Rbd1 Rd8 21. Nb2 c5 22. Rxd4 cxd4 23. Rd1 Rc8 24. Nc4 Bb4 25. Bf1 Bg4 26. Be2 Bh3 27. Qd3 Rd8 28. f4 Be6 29. Qf3 Bxc4 30. Bxc4 Bc3 31. Qd3 Rc8 32. Rc1 Qg4 33. Kg2 Re8 34. h3 Qg6 35. Bd5 b6 36. Kf3 Qh5+ 37. Kg2 Qg6 38. g4 Qf6 39. Kg3 g5 40. fxg5 Qe5+ 41. Kg2 1/2-1/2

[Event "Schleswig Holstein-ch cand"]
[Site "Schleswig Holstein"]
[Date "1991.??.??"]
[Round "?"]
[White "Kroeger, Martin"]
[Black "Boyens, Birger"]
[Result "0-1"]
[ECO "B79"]
[PlyCount "112"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. h4 Qa5 11. 0-0-0 Rfc8 12. Bb3 Ne5 13. Kb1 Nc4 14. Bxc4 Rxc4 15. Nb3 Qc7 16. Bh6 Bh8 17. g4 Rc8 18. h5 Be6 19. hxg6 fxg6 20. Nb5 Qb6 21. Na3 R4c7 22. Be3 Qa6 23. Bd4 b5 24. c3 Qa4 25. Nc1 Rb7 26. Nc2 Qc4 27. b3 Qc7 28. Nb4 a5 29. Nd5 Nxd5 30. Bxh8 Nxc3+ 31. Bxc3 Qxc3 32. Qh6 Qg7 33. Ne2 Qxh6 34. Rxh6 Kg7 35. Rdh1 Bg8 36. Kb2 b4 37. Nd4 e5 38. Ne2 Rbc7 39. R6h2 Rc2+ 40. Kb1 a4 41. Nc1 Rxh2 42. Rxh2 axb3 43. Nxb3 Bxb3 44. axb3 Rc3 45. Kb2 Rxf3 46. Rd2 Re3 47. g5 h6 48. gxh6+ Kxh6 49. Rxd6 Re2+ 50. Kc1 Rxe4 51. Rb6 Rd4 52. Rb5 e4 53. Re5 g5 54. Rc5 Kh5 55. Rc4 Rxc4+ 56. bxc4 Kg6 0-1

[Event "Schleswig Holstein-chA 44th"]
[Site "Schleswig Holstein"]
[Date "1989.??.??"]
[Round "?"]
[White "Boyens, Birger"]
[Black "Kastenbein, Rainer"]
[Result "1-0"]
[ECO "B92"]
[PlyCount "99"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. a3 Bb7 8. Qd3 e6 9. f4 Qc7 10. 0-0 Nbd7 11. Nb3 Be7 12. Be3 Rc8 13. Rad1 0-0 14. Bf3 Rfd8 15. Qe2 Nc5 16. Nxc5 dxc5 17. e5 Bxf3 18. Qxf3 Nd7 19. Ne4 Nb6 20. Qg4 Nd5 21. Bc1 c4 22. Rf3 Qb6+ 23. Kf1 Ne3+ 24. Rxe3 Rxd1+ 25. Qxd1 Rd8 26. Qf3 Qd4 27. Nc3 b4 28. axb4 Bxb4 29. Re4 Qd7 30. Rxc4 Bxc3 31. Rxc3 h6 32. Rd3 Qb5 33. Kf2 Qc5+ 34. Kg3 Rb8 35. Rc3 Qa5 36. Qe3 Rd8 37. Bd2 Qa1 38. b3 Qd1 39. Rd3 Rb8 40. Rc3 h5 41. h3 Rd8 42. Rd3 Rc8 43. c4 Qc2 44. Qe4 Qb2 45. c5 h4+ 46. Kxh4 f5 47. Qc4 Rc6 48. Qa4 Rc7 49. Qe8+ Kh7 50. Qh5+ 1-0

[Event "Schleswig Holstein-chA 44th"]
[Site "Schleswig Holstein"]
[Date "1989.??.??"]
[Round "?"]
[White "Boyens, Birger"]
[Black "Klein, Thomas"]
[Result "0-1"]
[ECO "A25"]
[PlyCount "158"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d6 4. Bg2 Nc6 5. d3 Be7 6. f4 Rb8 7. Nf3 0-0 8. 0-0 Bg4 9. Be3 b6 10. a3 Nh5 11. Nd5 Qd7 12. Qa4 Bd8 13. Rf2 a5 14. Qc2 exf4 15. gxf4 Qe6 16. Kh1 Nf6 17. Ng5 Qe8 18. d4 g6 19. Be4 Nxe4 20. Nxe4 Qe6 21. Ng5 Bxg5 22. fxg5 Bf5 23. Qb3 Be4+ 24. Kg1 Qg4+ 25. Kf1 Bxd5 26. cxd5 Qh3+ 27. Ke1 Nxd4 28. Qc3 Nf5 29. Bd4 Qxc3+ 30. Bxc3 Ne3 31. Rc1 Nxd5 32. Bf6 Nxf6 33. Rxf6 Rbc8 34. Kd2 Kg7 35. e4 h6 36. h4 hxg5 37. hxg5 Rfe8 38. Kd3 Re5 39. Rg1 d5 40. exd5 Rxd5+ 41. Kc4 Rc5+ 42. Kb3 Re8 43. Rgf1 Re7 44. Rg1 Rce5 45. Rf2 R5e6 46. Rgf1 Re2 47. Rxe2 Rxe2 48. Rg1 b5 49. Kc3 c5 50. b3 Re3+ 51. Kc2 b4 52. axb4 axb4 53. Kb2 f6 54. Rc1 Re5 55. gxf6+ Kxf6 56. Kc2 Rd5 57. Rf1+ Rf5 58. Re1 g5 59. Kd2 Rf3 60. Rc1 Rc3 61. Rb1 g4 62. Ke2 g3 63. Kf1 Kf5 64. Kg2 Kg4 65. Rc1 Kh5 66. Rd1 Kg5 67. Rb1 Kh4 68. Rh1+ Kg5 69. Rb1 Kg4 70. Rc1 Rxb3 71. Rc4+ Kf5 72. Rxc5+ Ke4 73. Rc8 Rc3 74. Rd8 b3 75. Rd7 Rd3 76. Rc7 Kd4 77. Rd7+ Kc3 78. Rc7+ Kb2 79. Rh7 Kc2 0-1

[Event "Schleswig Holstein-chA 44th"]
[Site "Schleswig Holstein"]
[Date "1989.??.??"]
[Round "?"]
[White "Boyens, Birger"]
[Black "Loebel, Carsten"]
[Result "1/2-1/2"]
[ECO "B18"]
[PlyCount "27"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 Bxd3 8. Qxd3 Qc7 9. Be3 e6 10. Ne4 Ngf6 11. Nxf6+ Nxf6 12. 0-0-0 0-0-0 13. Ne5 Nd5 14. Bd2 1/2-1/2

[Event "Schleswig Holstein-chA 44th"]
[Site "Schleswig Holstein"]
[Date "1989.??.??"]
[Round "?"]
[White "Boyens, Birger"]
[Black "Maeder, Torsten"]
[Result "1-0"]
[ECO "D53"]
[PlyCount "77"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 b6 7. cxd5 Nxd5 8. Nxd5 exd5 9. Bf4 0-0 10. Bd3 c5 11. b3 cxd4 12. Nxd4 Bf6 13. Qh5 g6 14. Qxd5 Bxd4 15. Qxd4 Nc5 16. Qxd8 Rxd8 17. Bc4 Ba6 18. Bxa6 Nxa6 19. Ke2 Rd5 20. Rhd1 Rad8 21. Rxd5 Rxd5 22. Rd1 Rxd1 23. Kxd1 Kf8 24. a3 Ke8 25. b4 b5 26. Kc2 Kd7 27. Kd3 Ke6 28. Kd4 f6 29. h4 Kf5 30. Kd5 g5 31. Bh2 h5 32. Kc6 Nxb4+ 33. axb4 a5 34. bxa5 b4 35. Bd6 b3 36. Ba3 Kg4 37. a6 gxh4 38. a7 b2 39. Bxb2 1-0

[Event "Schleswig Holstein-chA 44th"]
[Site "Schleswig Holstein"]
[Date "1989.??.??"]
[Round "?"]
[White "Coldewey, Brar"]
[Black "Boyens, Birger"]
[Result "1/2-1/2"]
[ECO "A31"]
[PlyCount "47"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 d6 6. Bg5 Be6 7. Bxf6 gxf6 8. e3 Nc6 9. N1c3 a6 10. Na3 Qa5 11. Be2 f5 12. 0-0 e4 13. Qa4 Qd8 14. Rad1 Rg8 15. g3 Bd7 16. Rd2 Qh4 17. Nd5 Ne5 18. Qd1 Rc8 19. Nf4 Bc6 20. Nd5 Bxd5 21. Rxd5 Qh3 22. f4 Rxg3+ 23. hxg3 Qxg3+ 24. Kh1 1/2-1/2

[Event "Schleswig Holstein-chA 44th"]
[Site "Schleswig Holstein"]
[Date "1989.??.??"]
[Round "?"]
[White "Koster, Frank"]
[Black "Boyens, Birger"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "64"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. f4 c5 2. Nf3 Nc6 3. e4 e6 4. c3 d5 5. exd5 exd5 6. d4 Nf6 7. Be3 Qe7 8. Qe2 c4 9. Nbd2 Bf5 10. h3 Nh5 11. Rg1 Bd3 12. Qf2 Nxf4 13. 0-0-0 Qc7 14. Ne1 Ne6 15. Bxd3 cxd3 16. Nxd3 Bd6 17. g4 Qa5 18. Kb1 Qb5 19. Nc1 a5 20. Rgf1 0-0 21. Ka1 a4 22. h4 Ra6 23. Nb1 Rb6 24. Qc2 Na5 25. Nd2 Ra8 26. g5 Nc6 27. h5 Rc8 28. g6 hxg6 29. hxg6 Ncxd4 30. gxf7+ Kf8 31. Qb1 Rxc3 32. bxc3 Qxb1+ 0-1

[Event "Schleswig Holstein-chA 44th"]
[Site "Schleswig Holstein"]
[Date "1989.??.??"]
[Round "?"]
[White "Plewka, Manfred"]
[Black "Boyens, Birger"]
[Result "0-1"]
[ECO "B83"]
[PlyCount "83"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Be7 7. Be3 Nc6 8. Qd2 Nxd4 9. Bxd4 Bd7 10. f4 Bc6 11. Bf3 Qa5 12. a3 e5 13. Be3 0-0 14. f5 Rfd8 15. b4 Qc7 16. b5 Bd7 17. 0-0 Rac8 18. Nd5 Nxd5 19. Qxd5 Qc4 20. Qxb7 Rc7 21. Qa6 Bxb5 22. Qa5 Qc3 23. Qxc3 Rxc3 24. Rfb1 a6 25. a4 Bc6 26. Bb6 Rc8 27. Rb2 Rc4 28. Re1 Bxa4 29. Ra2 Bb5 30. Rc1 Bg5 31. Rd1 R8c6 32. Ba7 Kf8 33. Be2 Ra4 34. Rxa4 Bxa4 35. h4 Bxh4 36. g3 Bxg3 37. Rb1 Bxc2 38. Rb8+ Ke7 39. Be3 Bxe4 40. Bh5 g6 41. Bg5+ Kd7 42. fxg6 0-1

[Event "Schleswig Holstein-chA 44th"]
[Site "Schleswig Holstein"]
[Date "1989.??.??"]
[Round "?"]
[White "Potschka, Dieter"]
[Black "Boyens, Birger"]
[Result "1/2-1/2"]
[ECO "A38"]
[PlyCount "92"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. g3 d6 5. Bg2 Bd7 6. 0-0 g6 7. e4 Bg7 8. d3 0-0 9. a3 Rb8 10. Bd2 Qc8 11. Rb1 Bh3 12. b4 Bxg2 13. Kxg2 Nd7 14. b5 Nce5 15. Nd5 Re8 16. Bc1 Nxf3 17. Qxf3 Nf6 18. Nxf6+ Bxf6 19. Bb2 Bxb2 20. Rxb2 b6 21. Qe3 Qe6 22. f4 f5 23. Re2 fxe4 24. Qxe4 Qxe4+ 25. dxe4 a6 26. a4 Ra8 27. Rff2 axb5 28. axb5 Ra4 29. e5 dxe5 30. Rxe5 e6 31. Re4 Kf7 32. Rd2 Ke7 33. g4 Ra7 34. f5 gxf5 35. gxf5 Kf6 36. fxe6 Rxe6 37. Rg4 Rb7 38. h3 Ree7 39. Kf3 Rf7 40. Rf4+ Ke6 41. Re2+ Kd6 42. Ree4 Rbe7 43. Rxe7 Kxe7 44. Rxf7+ Kxf7 45. Ke4 Ke6 46. h4 h5 1/2-1/2

[Event "Schleswig Holstein-chA 44th"]
[Site "Schleswig Holstein"]
[Date "1989.??.??"]
[Round "?"]
[White "Reischl, Peter"]
[Black "Boyens, Birger"]
[Result "1/2-1/2"]
[ECO "A23"]
[PlyCount "42"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. d3 Be6 7. Bg5 Bb4 8. a3 Bxc3+ 9. bxc3 Qa5 10. Bd2 Nc6 11. c4 Qa6 12. cxd5 Bxd5 13. Bxd5 Nxd5 14. Nf3 0-0 15. 0-0 Rfd8 16. Re1 e4 17. dxe4 Nc3 18. Qc2 Nxe2+ 19. Kg2 Rac8 20. Qb2 Qc4 21. Be3 Nc3 1/2-1/2

