[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2018.05.27"]
[Round "9"]
[White "Gehn, Roland"]
[Black "Becker Bertau, Friedrich"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "1850"]
[BlackElo "1833"]
[PlyCount "101"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e6 7. Be2 Be7 8. Be3 Nbd7 9. Nb3 b6 10. f4 Bb7 11. Bf3 Rc8 12. 0-0 Rxc3 13. bxc3 Nxe4 14. Qd3 d5 15. Bxe4 dxe4 16. Qc4 Qa8 17. Qd4 Bf6 18. Qd2 Bd5 19. Rad1 Qc8 20. Bd4 0-0 21. Bxf6 Nxf6 22. Qd4 Qc6 23. Rfe1 Rc8 24. Re3 Qc7 25. Rg3 Nh5 26. Rg5 g6 27. Rxh5 gxh5 28. Qf6 Qxc3 29. Nd4 Qc5 30. Qg5+ Kf8 31. Qxh5 e3 32. Qe2 Be4 33. Qxe3 Bxc2 34. Rc1 Qd5 35. Rxc2 Rxc2 36. Nxc2 Qd1+ 37. Ne1 b5 38. axb5 axb5 39. Kf2 b4 40. Qc5+ Ke8 41. Qxb4 Qa1 42. Qb8+ Ke7 43. Qc7+ Ke8 44. Qc5 Qa2+ 45. Kg3 Qb3+ 46. Nf3 Qb1 47. Ng5 Qd3+ 48. Kh4 Qg6 49. Qc8+ Ke7 50. Qh8 Qf6 51. Qxf6+ 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2018.05.26"]
[Round "8"]
[White "Gehn, Roland"]
[Black "Tscherepanov, Leon"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1850"]
[BlackElo "1761"]
[PlyCount "41"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. Bc2 Nb4 9. 0-0 Nxc2 10. Qxc2 Rc8 11. Nc3 Ne7 12. Re1 Nc6 13. Be3 Be7 14. Kh1 Na5 15. Rec1 Qa6 16. Bg5 Bxg5 17. Nxg5 h6 18. Nf3 0-0 19. g4 Bb5 20. Kg2 Be2 21. Qxe2 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2018.05.25"]
[Round "7"]
[White "Krotofil, Kurt"]
[Black "Gehn, Roland"]
[Result "1/2-1/2"]
[ECO "D93"]
[WhiteElo "1896"]
[BlackElo "1850"]
[PlyCount "77"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 c6 5. e3 Bg7 6. Nf3 0-0 7. Bd3 Qb6 8. Qc2 dxc4 9. Bxc4 Nbd7 10. e4 Qa5 11. Bd2 Qc7 12. 0-0 e5 13. Rfe1 exd4 14. Nb5 Qb8 15. Nbxd4 Ng4 16. g3 Qc7 17. h3 Nge5 18. Be2 Qb6 19. Nxe5 Bxe5 20. Nb3 Qc7 21. Kg2 Nb6 22. f4 Bg7 23. Bc3 Bd7 24. Bb4 Rfe8 25. Nc5 Rad8 26. Nxd7 Rxd7 27. Bg4 Rd4 28. Bc3 Rc4 29. Rad1 Bxc3 30. bxc3 Qe7 31. Bf3 Qc5 32. Rc1 Na4 33. Qd3 Rxc3 34. Rxc3 Qxc3 35. Qd7 Qxe1 36. Qxe8+ Kg7 37. Qe5+ Kg8 38. Qe8+ Kg7 39. Qe5+ 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2018.05.24"]
[Round "6"]
[White "Gehn, Roland"]
[Black "Lam, Daniel"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1850"]
[BlackElo "1964"]
[PlyCount "150"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be7 8. Be2 0-0 9. 0-0 Be6 10. Bf3 Nc6 11. Nd5 Bxd5 12. exd5 Nb8 13. g3 Ne8 14. Bg2 f5 15. Kh1 Nd7 16. a5 Rc8 17. Bh3 Qc7 18. c3 g6 19. Bh6 Rf7 20. Be3 Nef6 21. f3 Qc4 22. Nd2 Qxd5 23. c4 Qe6 24. Qb3 Rc7 25. Rfe1 d5 26. Rac1 Nc5 27. Qc2 e4 28. Bf1 Qc8 29. Bf4 Rc6 30. cxd5 Nxd5 31. Qb1 Nxf4 32. gxf4 Kg7 33. Nc4 Bf6 34. Nb6 Qc7 35. Bc4 Qxf4 36. Rf1 Be5 37. Rc2 Rf8 38. Bd5 Rc7 39. fxe4 Qh4 40. exf5 Ne4 41. Bxe4 Qxe4+ 42. Rg2 Qxb1 43. Rxb1 Rxf5 44. b4 Bd4 45. Na4 Rcf7 46. Rd2 Be5 47. Re2 Bd6 48. Rd2 Bf4 49. Re2 Bd6 50. Kg2 Rg5+ 51. Kh1 Rf4 52. Rd2 Bxb4 53. Rd7+ Kh6 54. Rxb7 Bxa5 55. Nb6 Rb4 56. Rxb4 Bxb4 57. Nd7 Rb5 58. Ra7 Rd5 59. Nf6 Rd1+ 60. Kg2 Rg1+ 61. Kh3 a5 62. Rxh7+ Kg5 63. Ne4+ Kf4 64. Nf2 Ke3 65. Ng4+ Kd2 66. Rg7 a4 67. Rxg6 a3 68. Ra6 Kc2 69. Ne3+ Kb3 70. Nd5 Bc5 71. Nf4 a2 72. Kh4 a1Q 73. Rxa1 Rxa1 74. Kh5 Bd6 75. Kg4 Ra4 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2018.05.23"]
[Round "5"]
[White "Gehn, Roland"]
[Black "Lansky, Georg"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1850"]
[BlackElo "1935"]
[PlyCount "48"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. Bc2 Nb4 9. 0-0 Nxc2 10. Qxc2 Rc8 11. Nc3 Ne7 12. Rd1 Nc6 13. Rb1 Be7 14. Be3 Na5 15. Ng5 Nc4 16. Bf4 h6 17. Nf3 Qa5 18. Qb3 b5 19. Ne2 b4 20. Rdc1 0-0 21. Nd2 Bb5 22. Qf3 Qxa2 23. Ra1 Nxd2 24. Qg3 Rxc1+ 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2018.05.22"]
[Round "4"]
[White "Schroeder, Kai Uwe"]
[Black "Gehn, Roland"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1860"]
[BlackElo "1850"]
[PlyCount "25"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 dxe4 4. dxe4 Nf6 5. g3 Bg4 6. f3 Bd7 7. Nc4 g6 8. Bf4 Bg7 9. Qd2 b5 10. Ne5 Nh5 11. 0-0-0 Nxf4 12. Qxf4 0-0 13. Nxd7 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2018.05.21"]
[Round "3"]
[White "Gehn, Roland"]
[Black "Schoeneshoefer, Adrian"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1850"]
[BlackElo "1832"]
[PlyCount "63"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nxc6 bxc6 7. Bg5 Bb4 8. Qf3 Qa5 9. Bxf6 Bxc3+ 10. bxc3 gxf6 11. Bc4 Ke7 12. 0-0 d6 13. Rab1 Ba6 14. Qd3 Bc8 15. Rb2 Rd8 16. Qf3 d5 17. exd5 Qc5 18. dxc6 Qxc4 19. c7 Rd5 20. Rb8 Ba6 21. Rfb1 e4 22. Re1 Re5 23. Qg4 Qc6 24. Qg8 Bb7 25. Rxa8 Qxc7 26. Qe8+ Kd6 27. Rd8+ Kc5 28. Qf8+ Kc6 29. Red1 Re6 30. Qb4 Ba6 31. Qd4 Qe5 32. Qd7+ 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2018.05.20"]
[Round "2"]
[White "Herlan, Klaus Juergen"]
[Black "Gehn, Roland"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1966"]
[BlackElo "1850"]
[PlyCount "80"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 Bf5 4. e3 c6 5. Bd3 Bg6 6. Nge2 e6 7. f3 Be7 8. g4 Bxd3 9. Qxd3 Na6 10. Ng3 Bd6 11. g5 Bxf4 12. exf4 Nd7 13. 0-0-0 Qc7 14. Qd2 0-0-0 15. Rde1 g6 16. h4 h5 17. gxh6 Rxh6 18. f5 Rdh8 19. fxe6 Qxg3 20. exd7+ Kxd7 21. Qe3 Qd6 22. Qg5 Rh5 23. Qe3 Nc7 24. Na4 b6 25. Kb1 Rxh4 26. Rxh4 Rxh4 27. c3 Ne6 28. b3 Rh2 29. Re2 Rxe2 30. Qxe2 Qf4 31. Nb2 Ng5 32. Nd3 Qf5 33. Kb2 f6 34. Ne1 Qe6 35. Qf1 b5 36. Nd3 Qe3 37. Nc5+ Ke7 38. Qh1 Qd2+ 39. Ka3 a5 40. Qh8 Qc1# 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2018.05.19"]
[Round "1"]
[White "Lohse, Marc"]
[Black "Gehn, Roland"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1979"]
[BlackElo "1850"]
[PlyCount "90"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Qb6 7. Qb3 Qxb3 8. axb3 Nh5 9. Be3 Bd7 10. Nf3 e6 11. Na3 Bd6 12. Nb5 Bb8 13. g3 0-0 14. 0-0 f5 15. Bd2 f4 16. Ng5 g6 17. g4 Nf6 18. f3 Kg7 19. c4 e5 20. cxd5 Nxd5 21. Be4 Nf6 22. d5 Ne7 23. Nc3 Bd6 24. Rfc1 Rac8 25. Kg2 a6 26. Be1 Rfe8 27. Bf2 h6 28. Nh3 Bc5 29. Rd1 Bb4 30. Na2 Bd6 31. Nc3 Bb4 32. d6 Bxc3 33. dxe7 Bxb2 34. Ra2 Nxe4 35. Rxb2 Nf6 36. Rbd2 Rxe7 37. b4 Bc6 38. Bc5 Re6 39. Nf2 e4 40. Nh3 exf3+ 41. Kf1 Bb5+ 42. Kf2 Ne4+ 43. Kxf3 Nxd2+ 44. Rxd2 g5 45. Nf2 Bc6+ 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2015.05.31"]
[Round "9"]
[White "Gehn, Roland"]
[Black "Chyzynski, David"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1883"]
[BlackElo "1778"]
[PlyCount "58"]
[EventDate "2015.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be6 8. Bg5 Be7 9. Be2 Nbd7 10. Be3 Qc7 11. 0-0 0-0 12. a5 Rac8 13. f4 Nxe4 14. Nxe4 Qxc2 15. Qxc2 Rxc2 16. Nbd2 f5 17. Ng3 exf4 18. Bxf4 g5 19. Bd3 Rxb2 20. Nc4 Rb3 21. Rae1 Nc5 22. Nxf5 Bxf5 23. Bxf5 Rxf5 24. Bxd6 Rxf1+ 25. Kxf1 Bxd6 26. Nxd6 Ra3 27. Re5 Rxa5 28. Rxg5+ Kf8 29. Rh5 Kg7 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2015.05.30"]
[Round "8"]
[White "Szudra, Heinz Werner"]
[Black "Gehn, Roland"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1960"]
[BlackElo "1883"]
[PlyCount "105"]
[EventDate "2015.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 g6 4. Bd3 Bg7 5. Nbd2 0-0 6. 0-0 Nbd7 7. c3 e5 8. Nxe5 Nxe5 9. dxe5 Ng4 10. Nf3 Nxe5 11. Nxe5 Bxe5 12. e4 dxe4 13. Bxe4 Bxh2+ 14. Kxh2 Qh4+ 15. Kg1 Qxe4 16. Re1 Qh4 17. g3 Qf6 18. Bf4 Rd8 19. Qe2 Be6 20. Rad1 c6 21. c4 Rxd1 22. Rxd1 Rd8 23. Rxd8+ Qxd8 24. b3 Qd4 25. Be5 Qg4 26. Qd2 f6 27. Qd8+ Kf7 28. Qxf6+ Ke8 29. Qh8+ Kd7 30. Qxh7+ Ke8 31. Bf6 Qd1+ 32. Kg2 Qd7 33. Qxg6+ Kf8 34. Qh6+ Kg8 35. Qh8+ Kf7 36. Qg7+ Ke8 37. Qxd7+ Bxd7 38. Bd4 a6 39. Kf3 Bf5 40. a3 Bc2 41. b4 Bb3 42. c5 Kf7 43. Kf4 Ke6 44. Ke4 Bc2+ 45. Ke3 Kd5 46. Kd2 Be4 47. Ke3 Bh7 48. g4 Kc4 49. f4 Kb3 50. f5 Kxa3 51. Kf4 Kxb4 52. g5 Kc4 53. g6 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2015.05.29"]
[Round "7"]
[White "Opasiak, Dustin Tennessee"]
[Black "Gehn, Roland"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1735"]
[BlackElo "1883"]
[PlyCount "86"]
[EventDate "2015.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Qf6 8. d3 Qxf3 9. gxf3 Bd6 10. Rg1 g6 11. Bd2 Nf6 12. Ne2 Nh5 13. 0-0-0 c5 14. f4 Nxf4 15. Nxf4 exf4 16. Rg4 h5 17. Rgg1 0-0-0 18. Rde1 Be5 19. Rg5 Rhe8 20. a4 b6 21. a5 Kb7 22. axb6 cxb6 23. Bc3 Bd4 24. f3 Kc6 25. Kd2 c4 26. Bxd4 Rxd4 27. Kc3 Red8 28. dxc4 Rd1 29. Rd5 Rxe1 30. Rxd8 Rh1 31. Rc8+ Kd7 32. Rb8 Rxh3 33. Rxb6 Rxf3+ 34. Kd4 Rf2 35. Rb7+ Ke8 36. Rb8+ Ke7 37. c3 Rd2+ 38. Ke5 f3 39. Rb7+ Rd7 40. Rb6 g5 41. Rf6 g4 42. c5 h4 43. Rf4 g3 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2015.05.28"]
[Round "6"]
[White "Gehn, Roland"]
[Black "Von Elsner, Mathias"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "1883"]
[BlackElo "1744"]
[PlyCount "64"]
[EventDate "2015.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nf6 8. Ne5 Bh7 9. Bc4 e6 10. Qe2 Nd5 11. Qf3 Qf6 12. Qb3 b6 13. Qa4 Bd6 14. Nxc6 0-0 15. Nxb8 Rfxb8 16. Bxd5 exd5 17. 0-0 Qxh4 18. Qd7 Bxg3 19. fxg3 Qxd4+ 20. Kh2 Bxc2 21. Bf4 Rd8 22. Qc7 Be4 23. Rad1 Qxb2 24. Rd2 Qb5 25. Rdf2 Qd7 26. Qe5 Qe6 27. Qd4 Rac8 28. Be5 Rc4 29. Qa1 Qg6 30. a4 Rc2 31. Qa3 Rxf2 32. Rxf2 Qh5+ 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2015.05.27"]
[Round "5"]
[White "Wrobel, Eduard"]
[Black "Gehn, Roland"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1734"]
[BlackElo "1883"]
[PlyCount "66"]
[EventDate "2015.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Bd3 Bxd3 6. Qxd3 Qa5+ 7. c3 Qa6 8. Qd1 Ne7 9. b4 Ng6 10. a4 Be7 11. Na3 Nd7 12. b5 Qb6 13. 0-0 c5 14. Nc2 cxd4 15. cxd4 0-0 16. Be3 Rac8 17. Qb1 Rc4 18. Nd2 Rc3 19. Nb3 Rfc8 20. Ne1 Qc7 21. a5 Nh4 22. Bd2 Rc4 23. Nd3 Qd8 24. Nb2 R4c7 25. Qd3 Rc2 26. Nd1 Nf5 27. g4 Nh4 28. Bc3 R2xc3 29. Nxc3 Bb4 30. Ne2 Rc4 31. Rfc1 Qc7 32. Nd2 Bxd2 33. Qxd2 Nf3+ 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2015.05.26"]
[Round "4"]
[White "Gehn, Roland"]
[Black "Kazemi Sresht, Rahim"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1883"]
[BlackElo "1549"]
[PlyCount "59"]
[EventDate "2015.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 h6 8. Bf4 0-0 9. h3 Nb6 10. c5 Nbd7 11. 0-0 b5 12. b4 a5 13. a3 Nh7 14. Qc2 f5 15. g4 Ndf6 16. gxf5 exf5 17. Bxf5 Bxf5 18. Qxf5 Nd7 19. Qe6+ Kh8 20. Qxc6 Ndf6 21. Ne5 Qe8 22. Qxe8 Rfxe8 23. Nxb5 Bd8 24. Nd6 Re6 25. b5 Nf8 26. Rab1 g5 27. Bh2 Bc7 28. b6 Bb8 29. c6 Bxd6 30. Nf7+ 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2015.05.25"]
[Round "3"]
[White "Biermann, Helge"]
[Black "Gehn, Roland"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1790"]
[BlackElo "1883"]
[PlyCount "47"]
[EventDate "2015.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. 0-0 c5 7. c3 Nec6 8. Be3 Nd7 9. Nbd2 Bg6 10. Nb3 cxd4 11. Bxd4 Be7 12. Bb5 Qc7 13. Re1 a6 14. Bd3 0-0 15. Bxg6 hxg6 16. Qd3 Na5 17. Nxa5 Qxa5 18. h4 Qd8 19. g3 Nc5 20. Bxc5 Bxc5 21. Nd4 b5 22. a3 Rc8 23. Kg2 Bxd4 24. cxd4 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2015.05.24"]
[Round "2"]
[White "Gehn, Roland"]
[Black "Christensen, Andreas"]
[Result "0-1"]
[ECO "C57"]
[WhiteElo "1883"]
[BlackElo "1841"]
[PlyCount "52"]
[EventDate "2015.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. dxc6 bxc4 7. Qe2 Qd5 8. Nf3 e4 9. Nc3 Qxc6 10. Nd4 Qb6 11. Nxe4 Be7 12. Nxf6+ Qxf6 13. Qe4 0-0 14. 0-0 Bd7 15. Qd5 Rad8 16. Qxc4 c5 17. Nb3 Be6 18. Qc3 Qg6 19. Nxc5 Bxc5 20. Qxc5 Bh3 21. g3 Bxf1 22. Kxf1 Qe4 23. Kg1 Rc8 24. Qxa7 Qe1+ 25. Kg2 Rxc2 26. Qe3 Re8 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2015.05.23"]
[Round "1"]
[White "Oelrichs, Manfred"]
[Black "Gehn, Roland"]
[Result "1/2-1/2"]
[ECO "D74"]
[WhiteElo "1727"]
[BlackElo "1883"]
[PlyCount "91"]
[EventDate "2015.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 d5 3. cxd5 Nxd5 4. Bg2 g6 5. Nc3 Nxc3 6. bxc3 Bg7 7. d4 0-0 8. Nf3 Nd7 9. 0-0 c6 10. Ba3 Nb6 11. Qd3 Be6 12. Nd2 Qd7 13. e3 Rfe8 14. c4 Bh3 15. Bxh3 Qxh3 16. c5 Nd5 17. f4 Rad8 18. Nf3 Qe6 19. Rae1 Nf6 20. Ne5 Qd5 21. Qc4 Ne4 22. Qxd5 Rxd5 23. Nc4 e6 24. Rb1 Rd7 25. Rb3 Ree7 26. Rfb1 g5 27. Bb4 Bf6 28. Be1 gxf4 29. gxf4 Bxd4 30. exd4 Rxd4 31. Nd6 Nxc5 32. Rg3+ Kf8 33. Nc8 Red7 34. Bf2 Rd1+ 35. Rxd1 Rxd1+ 36. Kg2 Rd2 37. Kf3 Na6 38. Rh3 Rxa2 39. Rxh7 Kg8 40. Rh5 Ra4 41. Bh4 Ra3+ 42. Kg4 f5+ 43. Kg5 Kg7 44. Rh6 Nc5 45. Rg6+ Kh7 46. Rh6+ 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2014.06.15"]
[Round "9"]
[White "Gehn, Roland"]
[Black "Weidmann, Kevin"]
[Result "0-1"]
[ECO "E29"]
[WhiteElo "1904"]
[BlackElo "1876"]
[PlyCount "62"]
[EventDate "2014.06.07"]
[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 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Nf3 0-0 7. e3 Nc6 8. Bd3 d6 9. 0-0 e5 10. d5 Na5 11. Qc2 b6 12. e4 Ba6 13. Qe2 Qd7 14. Bg5 Ne8 15. Nd2 f6 16. Bh4 g6 17. Bg3 Rf7 18. f4 Ng7 19. fxe5 dxe5 20. h3 Ne8 21. Rf2 Nd6 22. Raf1 Raf8 23. Bh4 g5 24. Bg3 Qa4 25. h4 Naxc4 26. hxg5 Nxd2 27. gxf6 Bxd3 28. Qg4+ Kh8 29. Bxe5 Rg8 30. Qe6 Qxe4 31. Bxd6 Bxf1 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2014.06.14"]
[Round "8"]
[White "Gehn, Roland"]
[Black "Quibael, Ricardo"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "1904"]
[BlackElo "1798"]
[PlyCount "108"]
[EventDate "2014.06.07"]
[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 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 Qa5+ 11. Bd2 Bb4 12. Ne4 Bxd2+ 13. Nfxd2 Nd7 14. Qg3 Ngf6 15. Nd6+ Ke7 16. N6c4 Qd5 17. Qa3+ c5 18. 0-0-0 Qxd4 19. f3 Qf4 20. Kb1 b5 21. g3 Qc7 22. Ne3 Rhd8 23. Rhe1 Kf8 24. g4 a5 25. Qd3 c4 26. Qe2 c3 27. Ne4 Nxe4 28. fxe4 f6 29. Rd4 Ne5 30. Red1 b4 31. b3 Rxd4 32. Rxd4 Rd8 33. Qd1 Rxd4 34. Qxd4 Nf3 35. Qd3 Ne5 36. Qd4 Ke7 37. Kc1 Qd6 38. Qd1 Qxd1+ 39. Kxd1 Kd6 40. Ke2 Kc5 41. Ng2 Nxg4 42. Nf4 Kd6 43. Kd3 Ne5+ 44. Ke3 Nc6 45. Ng6 Na7 46. Nf4 Nb5 47. Ng6 Na3 48. Kd3 f5 49. e5+ Kd5 50. Ne7+ Kxe5 51. Nc6+ Kd6 52. Nxa5 Kd5 53. Ke3 Nxc2+ 54. Kd3 Na3 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2014.06.13"]
[Round "7"]
[White "Stuhlmann, Alexander"]
[Black "Gehn, Roland"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1839"]
[BlackElo "1904"]
[PlyCount "73"]
[EventDate "2014.06.07"]
[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. f4 d5 2. Nf3 Nf6 3. e3 c5 4. Bb5+ Bd7 5. Qe2 a6 6. Bxd7+ Qxd7 7. 0-0 e6 8. b3 Nc6 9. Bb2 Be7 10. d3 0-0 11. Ne5 Qc7 12. Nd2 Nd7 13. Nxd7 Qxd7 14. Qg4 f6 15. e4 Rad8 16. a3 b5 17. Rae1 d4 18. f5 e5 19. Rf3 g5 20. h4 Kh8 21. Rh3 Rg8 22. Nf3 gxh4 23. Qxh4 Rg7 24. g4 Rdg8 25. Kf2 Bd8 26. Reh1 Qf7 27. Bc1 Be7 28. g5 fxg5 29. Bxg5 Rf8 30. Qh6 Bf6 31. Bxf6 Qxf6 32. Qxf6 Rxf6 33. Rh6 Rxh6 34. Rxh6 Rc7 35. f6 c4 36. f7 Kg7 37. Rxh7+ 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2014.06.12"]
[Round "6"]
[White "Gehn, Roland"]
[Black "Klausch, Uwe"]
[Result "1/2-1/2"]
[ECO "C51"]
[WhiteElo "1904"]
[BlackElo "1837"]
[PlyCount "49"]
[EventDate "2014.06.07"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 d6 7. Qb3 Na5 8. Bxf7+ Kf8 9. Qa4 c6 10. Bxg8 b5 11. Qc2 Kxg8 12. 0-0 exd4 13. cxd4 Be6 14. Bb2 Nc4 15. Bc3 d5 16. Nbd2 dxe4 17. Nxe4 Bd5 18. Rad1 Na3 19. Qe2 Bc4 20. Qd2 Bxf1 21. Kxf1 Nc4 22. Qf4 Qd5 23. Re1 Rf8 24. Qc7 Qf7 25. Qxc6 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2014.06.11"]
[Round "5"]
[White "Schulz, Hans Juergen"]
[Black "Gehn, Roland"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1939"]
[BlackElo "1904"]
[PlyCount "45"]
[EventDate "2014.06.07"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. f3 exf3 5. Nxf3 Nf6 6. Bc4 e6 7. Qe2 Be7 8. 0-0 0-0 9. Bg5 Nbd7 10. Rad1 Nb6 11. Bd3 Nbd5 12. Kh1 h6 13. Bd2 Nb4 14. Bc4 b5 15. Bb3 Nbd5 16. Ne5 Bd7 17. Rf3 b4 18. Nxd5 exd5 19. Rdf1 Be6 20. Bxh6 Ne4 21. Bc1 Rc8 22. Qe1 a5 23. Ba4 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2014.06.10"]
[Round "4"]
[White "Bildat, Juergen"]
[Black "Gehn, Roland"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2044"]
[BlackElo "1904"]
[PlyCount "68"]
[EventDate "2014.06.07"]
[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 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 Qb6 7. Nc3 c4 8. Rb1 Nc6 9. Nh4 Bg6 10. Nxg6 hxg6 11. Bxc4 dxc4 12. d5 Bc5 13. dxc6 Qxc6 14. Bxc5 Qxc5 15. Qe2 Rh5 16. f4 Rxh2 17. Rxh2 Qg1+ 18. Qf1 Qxh2 19. Ne4 0-0-0 20. Nd6+ Kb8 21. Rd1 Nh6 22. Rd4 Qh4+ 23. Kd2 Nf5 24. Qf3 Nxd6 25. exd6 e5 26. Rxc4 Rxd6+ 27. Kc3 Qe1+ 28. Kb3 Rb6+ 29. Ka3 Qa5+ 30. Ra4 Qc5+ 31. b4 Qxc2 32. fxe5 Rc6 33. b5 Rc3+ 34. Qxc3 Qxc3# 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2014.06.09"]
[Round "3"]
[White "Gehn, Roland"]
[Black "Parnitzke, Lennert"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "1904"]
[BlackElo "1761"]
[PlyCount "96"]
[EventDate "2014.06.07"]
[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 Be7 4. Nf3 Nf6 5. Bg5 0-0 6. e3 c5 7. Bd3 Nc6 8. 0-0 dxc4 9. Bxc4 cxd4 10. Nxd4 Nxd4 11. Qxd4 Qxd4 12. exd4 Bd7 13. Rfd1 Bc6 14. Rac1 Rfd8 15. h3 Nd5 16. Bxe7 Nxe7 17. Bb5 Rac8 18. Bc4 h6 19. Ne2 Bd5 20. Bxd5 Nxd5 21. Kf1 Kf8 22. a3 Ke7 23. g3 Rxc1 24. Rxc1 Rd7 25. Ke1 Rc7 26. Kd2 Rxc1 27. Nxc1 b6 28. Kd3 Kd6 29. Kc4 a6 30. a4 Kc6 31. Nd3 f6 32. Ne1 b5+ 33. axb5+ axb5+ 34. Kd3 Nb6 35. Nc2 Nc4 36. Nb4+ Kb6 37. b3 Na5 38. Kc3 Nc6 39. Nd3 e5 40. dxe5 Nxe5 41. Nf4 f5 42. Nd5+ Kc5 43. Ne7 b4+ 44. Kc2 Nf3 45. Nxf5 Nd4+ 46. Nxd4 Kxd4 47. Kd2 Ke4 48. Ke2 Kd4 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2014.06.08"]
[Round "2"]
[White "McClung, Gregory"]
[Black "Gehn, Roland"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1744"]
[BlackElo "1904"]
[PlyCount "100"]
[EventDate "2014.06.07"]
[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 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Bg4 5. Bc4 e6 6. d4 Bxf3 7. gxf3 Nf6 8. Rg1 Nbd7 9. c3 Qc7 10. Qe2 0-0-0 11. Ng3 Nb6 12. Be3 Nxc4 13. Qxc4 Nd5 14. 0-0-0 Nxe3 15. fxe3 Be7 16. Kb1 g6 17. e4 Kb8 18. e5 Qa5 19. Ne4 Qd5 20. Qa4 b5 21. Qc2 Ka8 22. Rc1 Rb8 23. f4 h6 24. Rgd1 Rhd8 25. Ka1 Rb6 26. Nd2 Ra6 27. Nb3 Ra4 28. Rb1 Rb8 29. Nc1 Rb6 30. b3 Ra3 31. c4 bxc4 32. bxc4 Qa5 33. Rxb6 axb6 34. d5 Rc3 35. Qb1 cxd5 36. Nb3 Qa4 37. cxd5 exd5 38. Rxd5 Qc6 39. Rd1 Rc2 40. Rd3 Bb4 41. Rd8+ Kb7 42. Nc5+ Rxc5 43. Qxb4 Qh1+ 44. Kb2 Qc1+ 45. Kb3 Qc2+ 46. Ka3 Rc3+ 47. Qb3 Qc1+ 48. Ka4 Rc4+ 49. Kb5 Rc5+ 50. Ka4 Ra5+ 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2014.06.07"]
[Round "1"]
[White "Gehn, Roland"]
[Black "Keuneke, Hanno"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1904"]
[BlackElo "1781"]
[PlyCount "35"]
[EventDate "2014.06.07"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. 0-0 Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. Nce4 Bb6 12. Nxf7 Kxf7 13. Ng5+ Kg6 14. Nxe6 Kxf6 15. Bg5+ Kg6 16. Nf4+ Kxg5 17. Qh5+ Kf6 18. Nd5+ 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2013.05.26"]
[Round "9"]
[White "Weidmann, Kevin"]
[Black "Gehn, Roland"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1740"]
[BlackElo "1946"]
[PlyCount "65"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 h6 7. Be3 Qb6 8. Na4 Qa5+ 9. c3 Nd7 10. b4 Qc7 11. f4 Be4 12. Rg1 f5 13. Bg2 Bxg2 14. Rxg2 fxg4 15. Rxg4 Ne7 16. Qd3 0-0-0 17. 0-0-0 b6 18. h4 h5 19. Rg5 g6 20. Bd2 Bh6 21. Rg2 Rhg8 22. Rdg1 Rdf8 23. Qh3 b5 24. Qxe6 bxa4 25. Qxe7 Re8 26. Qh7 Rh8 27. Qxg6 Kb7 28. Qd3 Nb6 29. Rg6 Qf7 30. Rf6 Qd7 31. Rgg6 Bg7 32. Rxc6 Qxc6 33. Rxc6 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2013.05.25"]
[Round "8"]
[White "Gehn, Roland"]
[Black "Brandt, Carina"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "1946"]
[BlackElo "1834"]
[PlyCount "102"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nb3 Nf6 7. Nc3 b6 8. Be2 Bb7 9. 0-0 0-0 10. Be3 Rc8 11. c5 d5 12. exd5 Nb4 13. c6 Ba8 14. Bc4 b5 15. Bxb5 Nfxd5 16. Nxd5 Nxd5 17. Rc1 Nxe3 18. fxe3 Qb6 19. Qe2 Bxb2 20. Rc2 Ba3 21. Nd4 e5 22. Nf3 Bd6 23. Rfc1 Rc7 24. Qd3 e4 25. Qxd6 exf3 26. Kh1 fxg2+ 27. Kxg2 Rfc8 28. Qc5 Rxc6 29. Bxc6 Rxc6 30. Qxb6 Rxc2+ 31. Kh3 axb6 32. Rxc2 Bd5 33. Rb2 b5 34. Kg4 Kg7 35. Kf4 Kf6 36. h4 Bc4 37. a3 h6 38. Rg2 Ke6 39. Rd2 Kf6 40. Rd6+ Ke7 41. Ke5 Be6 42. Rb6 Bd7 43. Kd5 f6 44. Ke4 g5 45. hxg5 hxg5 46. Kf3 Kf7 47. e4 Ke7 48. Kg3 Be8 49. Kg4 Bd7+ 50. Kg3 Be8 51. Kg4 Bd7+ 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2013.05.24"]
[Round "7"]
[White "Wilms, Robert"]
[Black "Gehn, Roland"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "1936"]
[BlackElo "1946"]
[PlyCount "86"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 d6 5. Nc3 Nf6 6. Be2 Be7 7. Be3 0-0 8. g4 Nxd4 9. Bxd4 c5 10. Be3 Nd7 11. Qd2 Nb6 12. 0-0-0 Be6 13. f4 Nc4 14. Bxc4 Bxc4 15. h4 b5 16. g5 b4 17. Nd5 Bxa2 18. h5 Bxd5 19. Qxd5 Qd7 20. Bxc5 Qa4 21. Bd4 b3 22. cxb3 Rfc8+ 23. Kb1 Qc6 24. Bc3 Qxd5 25. Rxd5 Rab8 26. Ka2 Rc6 27. Rhd1 Rcb6 28. Ra5 Rxb3 29. Rxa7 Bf8 30. Rd5 R3b6 31. Rda5 g6 32. h6 d5 33. Ra8 dxe4 34. Rxb8 Rxb8 35. Re5 f5 36. gxf6 Bxh6 37. Rxe4 Bf8 38. b4 Kf7 39. Kb3 h5 40. Be5 Rxb4+ 41. Rxb4 Bxb4 42. Kxb4 h4 43. Kc4 h3 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2013.05.23"]
[Round "6"]
[White "Klausch, Uwe"]
[Black "Gehn, Roland"]
[Result "1-0"]
[ECO "B16"]
[WhiteElo "1838"]
[BlackElo "1946"]
[PlyCount "107"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Ne2 e6 8. Ng3 Bg6 9. h4 h6 10. h5 Bh7 11. Be2 Qc7 12. Bf3 Nd7 13. 0-0 0-0-0 14. b4 Bd6 15. Ne2 Bf5 16. a4 e5 17. Ng3 Bh7 18. b5 exd4 19. cxd4 c5 20. Be3 Bxg3 21. fxg3 Ne5 22. a5 Bd3 23. dxe5 Bxb5 24. Qe1 Bxf1 25. Qxf1 fxe5 26. Rc1 Rd4 27. Bxd4 exd4 28. Qb5 b6 29. axb6 axb6 30. Rb1 Kd8 31. Qxb6 Qxb6 32. Rxb6 Kd7 33. Rc6 Rc8 34. Rxc8 Kxc8 35. Bd5 f6 36. Bc4 Kd7 37. g4 Kd6 38. Kf2 Ke5 39. Kf3 f5 40. gxf5 Kxf5 41. g3 Kg5 42. g4 Kf6 43. Kf4 Kg7 44. Kf5 Kh7 45. Kf6 Kh8 46. Kg6 d3 47. Bxd3 c4 48. Bc2 Kg8 49. Kxh6 Kh8 50. Kg6 c3 51. Kf5 Kg7 52. Ke4 Kf6 53. Kd3 Kg5 54. Bd1 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2013.05.22"]
[Round "5"]
[White "Gehn, Roland"]
[Black "Rudolph, Jens Erik"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1946"]
[BlackElo "1961"]
[PlyCount "82"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Bd3 Nh6 7. 0-0 cxd4 8. cxd4 Nf5 9. Bxf5 exf5 10. Nc3 Be6 11. Rb1 h6 12. h4 Be7 13. Be3 0-0 14. Qd2 Kh7 15. Rfc1 Rfc8 16. g3 Na5 17. Kg2 Nc4 18. Qe2 Nxe3+ 19. Qxe3 Qa5 20. a3 Rc4 21. Nd2 Rc6 22. Ne2 Rac8 23. b4 Qd8 24. Nb3 b6 25. Rxc6 Rxc6 26. Rc1 Rc4 27. Rc3 g5 28. hxg5 hxg5 29. Qc1 Qc8 30. Nd2 Rxc3 31. Qxc3 Qa6 32. Nc1 g4 33. Nd3 Bg5 34. Nf4 Bxf4 35. gxf4 Qe2 36. Qe3 Qxe3 37. fxe3 Bd7 38. Nb1 a6 39. Kg3 Kg7 40. Nc3 Bc6 41. a4 a5 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2013.05.21"]
[Round "4"]
[White "Gehn, Roland"]
[Black "Biermann, Helge"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1946"]
[BlackElo "1833"]
[PlyCount "87"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Nge7 7. dxc5 Qxc5 8. Be3 Qa5 9. 0-0 Bd7 10. Bf4 Qc7 11. Bg3 Ng6 12. Qe2 Be7 13. h4 Qd8 14. h5 Nh4 15. Nbd2 g6 16. Nxh4 Bxh4 17. Qg4 Bxg3 18. Qxg3 Qe7 19. h6 0-0-0 20. Qe3 Rhf8 21. Nf3 Kb8 22. b4 Bc8 23. Bb5 Rd7 24. Bxc6 bxc6 25. Nd4 Bb7 26. Nb3 Ba6 27. Rfd1 Bc4 28. Na5 Rc7 29. Nxc4 dxc4 30. Rd4 f6 31. Rxc4 f5 32. Qf3 Rfc8 33. Rc5 g5 34. Qe3 Rd8 35. Ra5 Rd5 36. c4 Rxa5 37. bxa5 c5 38. Rd1 f4 39. Qd3 Kc8 40. Qe4 Kb8 41. Rd6 Qe8 42. Qd3 Kc8 43. Qf3 Kb8 44. Qg4 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2013.05.19"]
[Round "2"]
[White "Opasiak, Dustin Tennessee"]
[Black "Gehn, Roland"]
[Result "1/2-1/2"]
[ECO "B16"]
[WhiteElo "1791"]
[BlackElo "1946"]
[PlyCount "73"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Nf3 Qc7 8. g3 e6 9. Bg2 Nd7 10. Nh4 Bg6 11. 0-0 Be7 12. Be3 f5 13. Nf3 Bh5 14. Qc2 Bxf3 15. Bxf3 h5 16. Bf4 Bd6 17. Bxd6 Qxd6 18. Kh1 h4 19. Rae1 0-0-0 20. Rg1 Nf6 21. g4 fxg4 22. Bxg4 Qd5+ 23. f3 Nxg4 24. Rxg4 Qxf3+ 25. Qg2 Qxg2+ 26. Kxg2 Rdg8 27. Rxg8+ Rxg8+ 28. Kh3 Kd7 29. Re2 Ke7 30. Kxh4 f6 31. Kh5 Kf7 32. h4 f5 33. Kh6 Rh8+ 34. Kg5 Rg8+ 35. Kh6 Rh8+ 36. Kg5 Rg8+ 37. Kh6 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2013.05.19"]
[Round "3"]
[White "Raedisch, Peter"]
[Black "Gehn, Roland"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1705"]
[BlackElo "1946"]
[PlyCount "102"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 Qa5+ 6. c3 Qa6 7. Qh3 e6 8. f4 Ne7 9. Nf3 Nd7 10. Nbd2 Qd3 11. Ng5 Qxh3 12. Nxh3 h6 13. g4 0-0-0 14. Rf1 g6 15. Nb3 Kb8 16. Nf2 Rc8 17. Nd3 h5 18. g5 b6 19. a4 Nf5 20. a5 c5 21. axb6 axb6 22. dxc5 Nxc5 23. Nbxc5 Bxc5 24. Nxc5 Rxc5 25. Bd2 Kb7 26. Kf2 Ra8 27. Rxa8 Kxa8 28. Ra1+ Kb7 29. Ra4 Rc4 30. Ra2 Ne7 31. Ra3 Nc6 32. Be3 d4 33. Bd2 dxc3 34. bxc3 Ne7 35. Kf3 Nd5 36. Rb3 Ra4 37. Rb2 Kc6 38. Rc2 b5 39. Be3 Rc4 40. Bd2 b4 41. Ra2 bxc3 42. Bc1 Kb5 43. Ra7 Rc7 44. Rxc7 Nxc7 45. Ke2 Kc4 46. Be3 Nd5 47. Bc1 Nb4 48. Ba3 Na2 49. Kd1 Kd3 50. h4 c2+ 51. Ke1 c1Q+ 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2013.05.18"]
[Round "1"]
[White "Gehn, Roland"]
[Black "Schwarzkopf, Joerg"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1946"]
[BlackElo "1800"]
[PlyCount "88"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nxc6 bxc6 7. Bg5 Be7 8. Bc4 d6 9. 0-0 Be6 10. Bb3 Nd7 11. Bxe7 Qxe7 12. Qe2 0-0 13. f4 exf4 14. Rxf4 Ne5 15. Raf1 a5 16. Bxe6 Qxe6 17. b3 Qe7 18. Rd1 Rfd8 19. Qh5 Qa7+ 20. Rf2 Qe3 21. Qh3 Qxh3 22. gxh3 Rab8 23. Kh1 f6 24. Rfd2 Nf7 25. Kg2 Re8 26. Rd4 Rb4 27. h4 Kf8 28. Kf3 Re5 29. a3 Rxd4 30. Rxd4 Rc5 31. Ne2 Rxc2 32. Ra4 Rc5 33. Nd4 Ne5+ 34. Kg3 Kf7 35. b4 axb4 36. Ra7+ Kg6 37. Nf5 Rc3+ 38. Kg2 Rxa3 39. Rxg7+ Kh5 40. h3 h6 41. Rh7 Kg6 42. Rg7+ Kh5 43. Rh7 Kg6 44. Rg7+ Kh5 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2012.06.03"]
[Round "9"]
[White "Gehn, Roland"]
[Black "Tscherepanov, Leon"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1935"]
[BlackElo "1843"]
[PlyCount "93"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. dxc5 Bxc5 8. 0-0 Qc7 9. Bf4 Nge7 10. Qe2 Ng6 11. Bg3 Qd8 12. Nbd2 a6 13. c4 0-0 14. Nb3 Ba7 15. Rad1 Nb4 16. Bxg6 hxg6 17. Qd2 Qb6 18. c5 Qb5 19. Nfd4 Qa4 20. Qf4 a5 21. Qd2 Na6 22. Nxa5 Bxc5 23. b3 Qb4 24. Qxb4 Bxb4 25. Nxb7 Nc5 26. Nc2 Nxb7 27. Nxb4 Nc5 28. Rc1 Rfc8 29. f3 Rab8 30. Bf2 Nxb3 31. Rxc8+ Bxc8 32. Nc6 Rb7 33. axb3 Bd7 34. Nd4 Rc7 35. Be3 Rc3 36. Kf2 f6 37. f4 g5 38. g3 g4 39. Rc1 Rc8 40. Rxc8+ Bxc8 41. Ke2 Ba6+ 42. Kd2 Kf7 43. Kc3 g5 44. Kb4 gxf4 45. Bxf4 Ke7 46. Kc5 Bc8 47. b4 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2012.06.02"]
[Round "8"]
[White "Reuter, Maximilian"]
[Black "Gehn, Roland"]
[Result "1/2-1/2"]
[ECO "C24"]
[WhiteElo "1729"]
[BlackElo "1935"]
[PlyCount "57"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Be7 4. Ne2 d5 5. exd5 Nxd5 6. Nbc3 Nb6 7. Bb3 0-0 8. 0-0 Nc6 9. a4 a5 10. Be3 Nd4 11. Ba2 Nf5 12. Qd2 Bd7 13. Ng3 Nxe3 14. fxe3 Bc6 15. e4 Bb4 16. Bb3 Qd4+ 17. Kh1 Bd7 18. Nf5 Bxf5 19. exf5 Qh4 20. Qe3 Bxc3 21. bxc3 Nd7 22. Rf3 Rae8 23. Re1 Nf6 24. Qg1 e4 25. g3 Qg5 26. Rf4 exd3 27. cxd3 Rxe1 28. Qxe1 Re8 29. Qf2 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2012.05.30"]
[Round "6"]
[White "Gehn, Roland"]
[Black "Von Elsner, Mathias"]
[Result "0-1"]
[ECO "B73"]
[WhiteElo "1935"]
[BlackElo "1662"]
[PlyCount "208"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 a6 7. Be2 Bg7 8. a4 Nc6 9. 0-0 0-0 10. h3 e5 11. Nb3 Be6 12. Bf3 Bxb3 13. cxb3 Qc7 14. Rc1 Qd7 15. Qd2 Rfc8 16. Bb6 h5 17. Rfe1 Bf8 18. Be2 Ne8 19. g4 Kh7 20. Nd5 Ne7 21. Kg2 Nxd5 22. Qxd5 Nf6 23. Qd3 Rxc1 24. Rxc1 Rc8 25. Rxc8 Qxc8 26. gxh5 gxh5 27. Qf3 Qe6 28. Bc4 d5 29. exd5 Qxb6 30. Qf5+ Kg8 31. Qxe5 Qd6 32. Qg5+ Bg7 33. Qf5 Qd7 34. Qd3 b5 35. axb5 axb5 36. Bxb5 Qxd5+ 37. Qxd5 Nxd5 38. Kf3 Bxb2 39. Bc4 Nb6 40. Bd3 Kg7 41. Kf4 f6 42. Kf5 Bd4 43. f3 h4 44. Ke6 Kh6 45. f4 Kg7 46. Kd6 Kf7 47. Ba6 f5 48. Bb7 Be3 49. Kc6 Ke7 50. Ba6 Nd7 51. Bd3 Bxf4 52. Bxf5 Ne5+ 53. Kd5 Kf6 54. Bc8 Nf7 55. Be6 Bb8 56. Bg4 Kg5 57. Ke4 Bg3 58. Be6 Nd6+ 59. Kf3 Kf6 60. Bd7 Ke5 61. Ba4 Ne4 62. b4 Ng5+ 63. Kg2 Kd4 64. Bc6 Kc4 65. b5 Kc5 66. Bd7 Kd6 67. Bg4 Kc5 68. Bd7 Nf7 69. Kf1 Nd6 70. Kg2 Nxb5 71. Kf3 Nd4+ 72. Ke4 Ne2 73. Ke3 Nf4 74. Bc8 Kc4 75. Bd7 Kd5 76. Bc8 Ke5 77. Bd7 Nd5+ 78. Kf3 Kf6 79. Bc6 Ne7 80. Bd7 Ng6 81. Bc8 Kg5 82. Be6 Ne5+ 83. Kg2 Kf4 84. Bd5 Ke3 85. Bb7 Nd3 86. Kf1 Nf4 87. Bc8 Bh2 88. Bg4 Ng6 89. Kg2 Bg3 90. Bc8 Kf4 91. Bg4 Ne5 92. Bc8 Nd3 93. Bg4 Ke3 94. Bd7 Ke2 95. Bb5 Ke3 96. Bd7 Nf4+ 97. Kf1 Bf2 98. Bg4 Nd3 99. Be2 Ne5 100. Ba6 Kf3 101. Bb7+ Kg3 102. Bc8 Ng6 103. Bf5 Nf4 104. Bg4 Bc5 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2012.05.30"]
[Round "5"]
[White "Seidel, Mika"]
[Black "Gehn, Roland"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1868"]
[BlackElo "1935"]
[PlyCount "95"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 d5 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 0-0 6. cxd5 Nxd5 7. Nc3 c6 8. Qc2 e5 9. d3 Nb6 10. Rb1 Bf5 11. b4 Qd7 12. Re1 Re8 13. Ne4 Bxe4 14. dxe4 Na6 15. a3 h6 16. Bb2 Rac8 17. Red1 Qe6 18. Rbc1 Rcd8 19. Nd2 Kh7 20. Nb3 Bf8 21. Na5 Qe7 22. Rxd8 Rxd8 23. Rd1 Rxd1+ 24. Qxd1 h5 25. Qd3 Qc7 26. e3 Bg7 27. Bf1 Nb8 28. f4 N8d7 29. Qb3 Nf6 30. Bxe5 Qd7 31. Qd3 Qe7 32. Bxf6 Bxf6 33. e5 Bg7 34. Qd6 Qxd6 35. exd6 Bb2 36. Bh3 f5 37. e4 Bxa3 38. exf5 Bxb4 39. fxg6+ Kxg6 40. Nxb7 Bxd6 41. Nxd6 a5 42. Be6 Kf6 43. Ba2 Na4 44. Nc4 Nc3 45. Bb3 a4 46. Bc2 Ke6 47. Kf1 Kd5 48. Nb6+ 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2012.05.29"]
[Round "4"]
[White "Gehn, Roland"]
[Black "Becker Bertau, Friedrich"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1935"]
[BlackElo "1963"]
[PlyCount "55"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be6 8. Bg5 Be7 9. Qd2 h6 10. Bh4 Nbd7 11. Be2 Rc8 12. Bg3 0-0 13. 0-0 Bxb3 14. cxb3 Nc5 15. Bc4 Ncxe4 16. Nxe4 Nxe4 17. Qd5 Nxg3 18. fxg3 Qb6+ 19. Kh1 Rc5 20. Qf3 Rxc4 21. bxc4 Bg5 22. Qd5 Be3 23. b4 Qxb4 24. Rf3 Bd4 25. Raf1 Qxa4 26. Rxf7 Rxf7 27. Rxf7 Qe8 28. Re7+ 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2012.05.28"]
[Round "3"]
[White "Lochmann, Viktor"]
[Black "Gehn, Roland"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "1810"]
[BlackElo "1935"]
[PlyCount "88"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 c5 6. Be3 cxd4 7. Qxd4 Qxd4 8. Bxd4 Nc6 9. Bb5 Bd7 10. Bxf6 gxf6 11. 0-0-0 0-0-0 12. N1e2 a6 13. Ba4 Rg8 14. Bb3 e6 15. Nc3 f5 16. f4 Be7 17. Rhe1 Bh4 18. Nce2 Na5 19. Rd3 Bc6 20. Rxd8+ Rxd8 21. Rg1 Rg8 22. c3 Bb5 23. Bd1 Rg4 24. Nh1 Bxe2 25. Bxe2 Rxf4 26. g3 Re4 27. Kd1 Bf6 28. Nf2 Re5 29. Bh5 Rd5+ 30. Kc2 Rd7 31. Nd3 Nc4 32. Re1 Bg5 33. Ne5 Nxe5 34. Rxe5 Kd8 35. Re2 Ke7 36. Bf3 Bh6 37. h4 Kf6 38. g4 fxg4 39. Bxg4 Ke7 40. Re5 Bf4 41. Re4 Bh6 42. Re2 Rd6 43. a4 b6 44. Bf5 Rd5 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2012.05.26"]
[Round "1"]
[White "Gehn, Roland"]
[Black "Opasiak, Dustin Tennessee"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1935"]
[BlackElo "1719"]
[PlyCount "45"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 Qd7 4. Bd3 b6 5. Nf3 a5 6. 0-0 Ba6 7. Bg5 Ne7 8. Re1 c5 9. c3 Bxd3 10. Qxd3 c4 11. Qc2 b5 12. h3 h5 13. Nbd2 Nbc6 14. Nh4 Nf5 15. Nxf5 exf5 16. e6 fxe6 17. Qxf5 Ne7 18. Rxe6 0-0-0 19. Qf7 Qe8 20. Qf4 Kb7 21. Bxe7 Bxe7 22. Qe5 Rd7 23. Re1 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2010.05.30"]
[Round "9.5"]
[White "Gehn, Roland"]
[Black "Raddatz, Michael"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1948"]
[BlackElo "1991"]
[PlyCount "60"]
[EventDate "2010.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[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. Nd5 Be6 10. c3 Be7 11. Nxe7 Nxe7 12. Bxf6 gxf6 13. Bd3 0-0 14. Qh5 Qd7 15. Qh4 Kg7 16. Qg3+ Kh8 17. Qh4 Kg7 18. Qg3+ Ng6 19. Qf3 Nf4 20. 0-0 Rg8 21. Kh1 Kh8 22. Rg1 Qa7 23. Bf1 f5 24. Rd1 fxe4 25. Qxe4 Qxf2 26. Bd3 f5 27. Qf3 Qxf3 28. gxf3 Nh3 29. Rgf1 Rg5 30. c4 Rag8 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2010.05.29"]
[Round "8.4"]
[White "Schulze, Joachim"]
[Black "Gehn, Roland"]
[Result "1/2-1/2"]
[ECO "C90"]
[WhiteElo "1953"]
[BlackElo "1948"]
[PlyCount "103"]
[EventDate "2010.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 d6 8. c3 0-0 9. d3 Bg4 10. Nbd2 Rb8 11. Nf1 Bh5 12. Ng3 Bg6 13. Nh4 Na5 14. Nxg6 hxg6 15. Bc2 Nh7 16. a4 b4 17. cxb4 Nc6 18. b5 axb5 19. axb5 Nd4 20. Ba4 Nxb5 21. Ne2 c5 22. Qc2 Nd4 23. Nxd4 exd4 24. Bb3 Ra8 25. Bd2 Nf6 26. Bc4 Qb6 27. b3 Qb7 28. Qb2 Rxa1 29. Rxa1 d5 30. exd5 Nxd5 31. Qa2 Nb6 32. Qa7 Qxa7 33. Rxa7 Nxc4 34. bxc4 Re8 35. Kf1 Bd6 36. Rd7 Be7 37. Bf4 Kf8 38. Rb7 Rc8 39. Ke2 g5 40. Rb8 Rxb8 41. Bxb8 f5 42. f4 gxf4 43. Bxf4 g5 44. Bd2 Kf7 45. h3 Ke6 46. Kf3 Ke5 47. Be1 Ke6 48. g4 Bd8 49. gxf5+ Kxf5 50. Bg3 Be7 51. Bc7 Bf8 52. Bb6 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2010.05.28"]
[Round "7.3"]
[White "Gehn, Roland"]
[Black "Keuchen, Michael"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1948"]
[BlackElo "1946"]
[PlyCount "83"]
[EventDate "2010.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Bd3 Bb5 7. 0-0 Nc6 8. dxc5 Bxc5 9. b4 Bf8 10. a4 Bxd3 11. Qxd3 Nge7 12. Bf4 Ng6 13. Bg3 a5 14. b5 Nb8 15. Rd1 Bc5 16. c4 dxc4 17. Qxc4 Nd7 18. Nc3 Rc8 19. Qe2 Rc7 20. Ne4 0-0 21. h4 Ne7 22. Nfg5 Nf5 23. Nxc5 Nxc5 24. Bf4 Nb3 25. Rab1 Nbd4 26. Qe4 h6 27. g4 hxg5 28. gxf5 Nxf5 29. Bxg5 f6 30. exf6 gxf6 31. Be3 Rg7+ 32. Kh1 Qxe3 33. Qxe3 Nxe3 34. fxe3 Rg4 35. Rg1 Rxg1+ 36. Rxg1+ Kf7 37. Rc1 Kg6 38. Kh2 Rd8 39. Kg2 Rd7 40. Kf3 Kh5 41. Rc4 Rd1 42. Kg3 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2010.05.27"]
[Round "6.5"]
[White "Gehn, Roland"]
[Black "Hasenbank, Dirk"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1948"]
[BlackElo "2013"]
[PlyCount "27"]
[EventDate "2010.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 Nbd7 7. Bg5 h6 8. Bf4 Nh5 9. Be3 e5 10. Qd2 Kh7 11. Rad1 c6 12. Ne1 Qe8 13. Bxh5 gxh5 14. f4 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2010.05.26"]
[Round "5.7"]
[White "Schleiss, Siegmund"]
[Black "Gehn, Roland"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1851"]
[BlackElo "1948"]
[PlyCount "138"]
[EventDate "2010.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 0-0 6. Bd3 c5 7. c3 Qb6 8. Rb1 Nc6 9. h3 Re8 10. Ne5 Nxe5 11. dxe5 Nd7 12. Qa4 c4 13. Be2 Bxe5 14. e4 Qc6 15. Qxc6 bxc6 16. exd5 cxd5 17. Bf3 Nb6 18. a4 Bf5 19. Ra1 Rad8 20. a5 Nc8 21. 0-0 Bf6 22. Bxf6 exf6 23. Rfe1 Rxe1+ 24. Rxe1 Be6 25. Bd1 d4 26. Nb1 d3 27. Nd2 Ne7 28. Ba4 Nf5 29. Re4 Bd5 30. Re8+ Rxe8 31. Bxe8 Nd6 32. Ba4 Kf8 33. f3 f5 34. g3 g5 35. f4 gxf4 36. gxf4 Ne4 37. Nf1 Nc5 38. Bd1 Nb7 39. Ne3 Be6 40. a6 Nc5 41. Kf2 Nxa6 42. Ba4 Nc5 43. Bb5 Ne4+ 44. Ke1 Nd6 45. Bc6 Ke7 46. Kd1 a5 47. Ke1 Kd8 48. Kd1 Kc7 49. Ba4 Kb6 50. h4 Ne4 51. Ke1 Nc5 52. Be8 a4 53. Kd1 Ka5 54. Bc6 Na6 55. Nd5 Nb8 56. Bb7 Nd7 57. Bc6 Nb8 58. Bb7 Nd7 59. Bc6 Nf8 60. h5 Bd7 61. Ba8 Kb5 62. Bb7 Be6 63. Ne7 Nd7 64. Bc6+ Kc5 65. Bxa4 Nf6 66. Kd2 Nxh5 67. Ke3 Nf6 68. b4+ cxb3 69. Kxd3 Nd5 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2010.05.25"]
[Round "4.9"]
[White "Gehn, Roland"]
[Black "Hagenlueke, Thomas"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1948"]
[BlackElo "1893"]
[PlyCount "101"]
[EventDate "2010.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. a4 a6 8. Na3 Be7 9. Bg5 Ng8 10. Be3 Nf6 11. Be2 0-0 12. 0-0 Be6 13. Nc4 Ne8 14. Nb6 Rb8 15. Ncd5 Bg5 16. f4 exf4 17. Bxf4 Bxf4 18. Rxf4 Ne5 19. Qd2 Nc7 20. b3 Nxd5 21. Nxd5 Ng6 22. Rf2 Bxd5 23. exd5 Qb6 24. Raf1 Rbe8 25. Kh1 Qe3 26. Qb4 Qe7 27. Bh5 Ne5 28. Qf4 Rc8 29. Re2 Qc7 30. Bg4 Nxg4 31. Qxg4 Rce8 32. h3 Re7 33. Rfe1 Rfe8 34. Rxe7 Rxe7 35. Rxe7 Qxe7 36. Qc8+ Qf8 37. Qxb7 Qe8 38. Qb4 h6 39. Qxd6 Qe1+ 40. Kh2 Qc3 41. Qb8+ Kh7 42. Qg3 Qxc2 43. d6 Qf5 44. Qe3 g5 45. Qd4 Qd7 46. Qe4+ Kg7 47. Qd4+ Kh7 48. Qd3+ Kg7 49. b4 h5 50. Qc3+ Kg6 51. Qc7 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2010.05.24"]
[Round "3.6"]
[White "Albers, Andreas"]
[Black "Gehn, Roland"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1923"]
[BlackElo "1948"]
[PlyCount "61"]
[EventDate "2010.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 g6 6. Bf4 Qb6 7. Qb3 Qxb3 8. axb3 Nf6 9. Nf3 Bg7 10. 0-0 Nh5 11. Be3 0-0 12. Na3 Bg4 13. Be2 Rad8 14. h3 Bc8 15. Ne1 Nf6 16. Nd3 Ne4 17. Bf4 g5 18. Be3 h6 19. Nc2 Bf5 20. Ncb4 Nxb4 21. Nxb4 a6 22. Bd3 Bg6 23. Rfe1 Bh7 24. f3 Ng3 25. Bxh7+ Kxh7 26. Bf2 Nh5 27. Rxe7 Rfe8 28. Rxe8 Rxe8 29. Nxd5 Re2 30. Rb1 a5 31. Kf1 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2010.05.23"]
[Round "2.8"]
[White "Gehn, Roland"]
[Black "Goetz, Claus"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1948"]
[BlackElo "1836"]
[PlyCount "102"]
[EventDate "2010.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nxc6 bxc6 7. Bg5 Be7 8. Bc4 0-0 9. Qd3 Qb6 10. Bxf6 Bxf6 11. b3 d5 12. Bxd5 cxd5 13. Nxd5 Qd8 14. 0-0 Be6 15. c4 Bxd5 16. cxd5 Qd6 17. Rac1 Rfc8 18. Rc4 Bg5 19. Re1 Rxc4 20. bxc4 Rc8 21. Rb1 g6 22. Rb2 Qc5 23. Rc2 Rb8 24. g3 Rb1+ 25. Kg2 Be7 26. Qe2 Qb4 27. Qe3 Bc5 28. Qe2 Bd4 29. Kh3 Rb2 30. Kg4 h5+ 31. Kh3 Rxc2 32. Qxc2 Qb2 33. Qxb2 Bxb2 34. f4 f6 35. Kh4 Kf7 36. fxe5 Bxe5 37. c5 Kg7 38. c6 Kh6 39. Kh3 Kg5 40. Kg2 h4 41. Kf3 hxg3 42. hxg3 Bd6 43. a3 a6 44. a4 Be5 45. Ke3 Kg4 46. Kd3 Kxg3 47. Kc4 Kf3 48. Kc5 g5 49. d6 g4 50. c7 Bxd6+ 51. Kxd6 g3 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2010.05.22"]
[Round "1.7"]
[White "Rudolph, Jens Erik"]
[Black "Gehn, Roland"]
[Result "1-0"]
[ECO "D01"]
[WhiteElo "1997"]
[BlackElo "1948"]
[PlyCount "156"]
[EventDate "2010.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 h6 4. Bxf6 exf6 5. e3 Be6 6. Bd3 c5 7. Nf3 Nc6 8. 0-0 cxd4 9. Nxd4 Nxd4 10. exd4 a6 11. Re1 Be7 12. Qh5 Qd7 13. Re3 g6 14. Qe2 f5 15. Re1 0-0 16. Bxf5 Bxf5 17. Rxe7 Qc6 18. Re5 Rad8 19. Qd2 Kh7 20. R1e2 b5 21. Nd1 Rfe8 22. Rxe8 Rxe8 23. Rxe8 Qxe8 24. Ne3 Be6 25. Qc3 Qd7 26. Qc5 Qb7 27. h3 b4 28. Ng4 Bxg4 29. hxg4 Kg7 30. f3 Kf6 31. Qd6+ Kg7 32. Kf2 Qb5 33. Qc5 Qb7 34. Ke3 g5 35. Kd2 Kg8 36. Qd6 Kg7 37. Qe5+ f6 38. Qd6 Qb5 39. Qe7+ Kg6 40. Qf8 Kh7 41. Qf7+ Kh8 42. Qxf6+ Kh7 43. Qf5+ Kg7 44. Qe5+ Kg6 45. Qe2 Qc6 46. Qd3+ Kg7 47. a3 bxa3 48. Qxa3 Qb7 49. Kc1 Qb5 50. Qd3 Qa5 51. c3 Qa1+ 52. Qb1 Qa5 53. Kd2 Qb5 54. b4 Qc4 55. g3 Qc7 56. Qe1 Qc4 57. Qe7+ Kg8 58. f4 gxf4 59. gxf4 Qb3 60. Qd8+ Kg7 61. Qd7+ Kg8 62. Qf5 Kg7 63. Qc2 Qc4 64. g5 hxg5 65. fxg5 Qf1 66. Qd3 Qg2+ 67. Kd1 Qxg5 68. Qxa6 Qg1+ 69. Kc2 Qg2+ 70. Kb3 Qe4 71. Qb7+ Kf8 72. Qb8+ Kf7 73. Qc7+ Kg8 74. Ka4 Qg2 75. Kb5 Qe2+ 76. Kb6 Qe6+ 77. Qc6 Qe4 78. Kc5 Qe7+ 1-0

