[Event "DSOL 01 Liga Gr-D 1st"]
[Site "Playchess.com INT"]
[Date "2020.08.13"]
[Round "2.4"]
[White "Dumjahn, Carsten"]
[Black "Deutsch, Christoph"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1945"]
[BlackElo "1939"]
[PlyCount "61"]
[EventDate "2020.06.22"]
[EventType "team-tourn (rapid)"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Eppendorf Johanneum"]
[BlackTeam "Gruendau"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Bg4 5. c4 e6 6. h3 Bxf3 7. Bxf3 Bd6 8. 0-0 0-0 9. Nd2 Nbd7 10. Bg2 Re8 11. Qc2 h6 12. b3 e5 13. dxe5 Bxe5 14. Rb1 Qb6 15. e3 d4 16. exd4 Bxd4 17. Nf3 Re7 18. Nxd4 Qxd4 19. Be3 Qd6 20. Rbd1 Qc7 21. Bf4 Qb6 22. Bd6 Re6 23. c5 Qb5 24. Rfe1 Rae8 25. Rxe6 Rxe6 26. Bf3 g6 27. Qc3 Kg7 28. Bg4 Re4 29. Bxd7 Qe2 30. Bg4 Rxg4 31. Re1 1-0

[Event "DSOL 01 Liga Gr-D 1st"]
[Site "Playchess.com INT"]
[Date "2020.07.06"]
[Round "3.4"]
[White "Grenz, Tobias"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "1889"]
[BlackElo "1945"]
[PlyCount "93"]
[EventDate "2020.06.22"]
[EventType "team-tourn (rapid)"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Landau"]
[BlackTeam "Eppendorf Johanneum"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. Bg5 Be7 7. Be3 c4 8. g3 b5 9. a3 Nf6 10. Bg2 Be6 11. 0-0 0-0 12. Ne5 Qb6 13. b3 Rac8 14. bxc4 bxc4 15. Qc2 Rfd8 16. Rfb1 Qa5 17. Nxc6 Rxc6 18. Bd2 Qa6 19. a4 Qc8 20. Rb5 a6 21. Rb2 Bf5 22. Qd1 Qe6 23. a5 Ne4 24. Bxe4 Bxe4 25. f3 Bg6 26. e4 dxe4 27. d5 Rxd5 28. Nxd5 Qxd5 29. Rb8+ Bd8 30. Bg5 Qxd1+ 31. Rxd1 f6 32. Rd7 Kf8 33. Rdxd8+ Ke7 34. Be3 exf3 35. Rdc8 Kd7 36. Rxc6 Kxc6 37. Rb6+ Kd5 38. Rxa6 Ke4 39. Kf2 c3 40. Rc6 Kd3 41. a6 Be4 42. Rd6+ Kc2 43. a7 Kb1 44. Rb6+ Kc2 45. Rb8 Kd1 46. a8Q Bxa8 47. Rxa8 1-0

[Event "Hamburg-chT Landesliga 1920"]
[Site "Hamburg"]
[Date "2019.11.24"]
[Round "3.8"]
[White "Habermann, Till"]
[Black "Dumjahn, Carsten"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1938"]
[BlackElo "2057"]
[PlyCount "122"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c5 3. c3 Nf6 4. g3 Bf5 5. Bg2 e6 6. 0-0 h6 7. c4 Nc6 8. cxd5 exd5 9. Nc3 c4 10. b3 Bb4 11. Bd2 Bxc3 12. Bxc3 Ne4 13. Rc1 b5 14. bxc4 bxc4 15. Qa4 Qd7 16. Bb4 Nxb4 17. Qxb4 a5 18. Qa3 Qe7 19. Qxe7+ Kxe7 20. Nh4 Be6 21. Bxe4 dxe4 22. Rfd1 Rhd8 23. Ng2 c3 24. Rxc3 Bxa2 25. Ne3 a4 26. Rdc1 Be6 27. Nc2 Rac8 28. Nb4 Rxc3 29. Rxc3 Rc8 30. Rxc8 Bxc8 31. Kf1 a3 32. Ke1 Be6 33. Kd2 a2 34. Nc2 Bb3 35. Na1 Bc4 36. e3 Kd6 37. Kc3 Be6 38. Kb2 Kc6 39. Nc2 Kb5 40. Ne1 Bd5 41. Nc2 f5 42. Ne1 g5 43. Nc2 Be6 44. Ne1 Kc4 45. h4 a1Q+ 46. Kxa1 Kc3 47. hxg5 hxg5 48. f4 gxf4 49. gxf4 Kd2 50. d5 Bxd5 51. Nc2 Be6 52. Kb2 Bd7 53. Kb1 Ba4 54. Nd4 Kxe3 55. Nxf5+ Kxf4 56. Nd4 Ke3 57. Nf5+ Kd3 58. Kc1 Bd7 59. Ng3 e3 60. Kd1 Bh3 61. Ke1 Bg2 1/2-1/2

[Event "Bayern-chI Bank Hofmann 23rd"]
[Site "Tegernsee"]
[Date "2019.10.29"]
[Round "4"]
[White "Hedke, Fred"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2225"]
[BlackElo "2059"]
[PlyCount "89"]
[EventDate "2019.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nc6 5. Be2 Nf6 6. 0-0 Bd6 7. h3 0-0 8. c4 dxc4 9. Bxc4 Bf5 10. Nc3 Qd7 11. Re1 Nb4 12. Ne5 Bxe5 13. Rxe5 Nc2 14. Rxf5 Nxa1 15. Re5 Nc2 16. Qxc2 Qxd4 17. Qe2 Rfe8 18. Rxe8+ Rxe8 19. Be3 Qe5 20. Qf3 c6 21. Bb3 a6 22. g4 h6 23. h4 Rd8 24. Bf4 Qd4 25. g5 hxg5 26. hxg5 Nd5 27. Be3 Qd3 28. Nxd5 cxd5 29. Kg2 Rd7 30. Qg4 Rd8 31. Bb6 Re8 32. Be3 Rd8 33. Qf4 Rd7 34. Qb8+ Kh7 35. Qe8 Qe4+ 36. Qxe4+ dxe4 37. Bc2 f5 38. gxf6 gxf6 39. Bxe4+ Kg7 40. Kf3 Kf7 41. Kf4 Ke7 42. Kf5 b5 43. b4 Kf7 44. a3 Rd1 45. Bb7 1-0

[Event "Blankenese op 3rd"]
[Site "Hamburg"]
[Date "2019.10.04"]
[Round "3"]
[White "Dumjahn, Carsten"]
[Black "Schwarzkopf, Joerg"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2023"]
[BlackElo "1815"]
[PlyCount "35"]
[EventDate "2019.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 c5 2. e3 g6 3. d4 Bg7 4. c4 Nf6 5. Nc3 0-0 6. Be2 cxd4 7. exd4 d5 8. h3 Nc6 9. 0-0 dxc4 10. Bxc4 e6 11. a3 a6 12. Bg5 b5 13. Ba2 Qc7 14. Rc1 Qb6 15. d5 Nxd5 16. Bxd5 exd5 17. Nxd5 Qb7 18. Rxc6 1-0

[Event "Blankenese op 3rd"]
[Site "Hamburg"]
[Date "2019.10.03"]
[Round "1"]
[White "Dumjahn, Carsten"]
[Black "Mi, Gufeng"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2023"]
[BlackElo "1550"]
[PlyCount "96"]
[EventDate "2019.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 d6 5. Bg5 h6 6. Bh4 g5 7. Bg3 Bf5 8. e3 Nbd7 9. Be2 c6 10. 0-0 Nh5 11. Nd2 Nxg3 12. hxg3 0-0 13. f4 e6 14. Nf3 Bh7 15. Qd2 f5 16. d5 cxd5 17. Nd4 Qe7 18. cxd5 Bxd4 19. exd4 Nf6 20. Bc4 Rac8 21. Bb3 Ne4 22. Nxe4 fxe4 23. dxe6 Bf5 24. Rfe1 g4 25. d5 h5 26. Kf2 h4 27. Qd4 hxg3+ 28. Kxg3 Qg7 29. Qxg7+ Kxg7 30. Rh1 Kg6 31. Rac1 a6 32. a4 Kf6 33. a5 Ke7 34. Rhd1 Rh8 35. Kf2 Kd8 36. Ke3 Rh2 37. Rxc8+ Kxc8 38. Rd2 Kd8 39. Bc2 Rh1 40. Re2 Ra1 41. Bxe4 Bxe4 42. Kxe4 Ra4+ 43. Kf5 Ke7 44. Kxg4 Rxa5 45. Rd2 Rc5 46. Kg5 Rc8 47. f5 Rg8+ 48. Kf4 b5 1/2-1/2

[Event "Blankenese op 3rd"]
[Site "Hamburg"]
[Date "2019.10.03"]
[Round "2"]
[White "Reinecke, Gerd"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1402"]
[BlackElo "2023"]
[PlyCount "72"]
[EventDate "2019.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Be3 Qb6 6. Qd2 Nh6 7. Nf3 Nf5 8. Bd3 cxd4 9. cxd4 Be7 10. Nc3 Nxe3 11. fxe3 0-0 12. 0-0 Nb4 13. Bb1 a5 14. a3 Nc6 15. Qc2 g6 16. Kh1 Bd7 17. Qf2 f6 18. Qg3 f5 19. Bd3 Na7 20. h4 Rf7 21. h5 g5 22. Nh4 Kf8 23. Nxf5 exf5 24. Nxd5 Qh6 25. Nxe7 Qxh5+ 26. Kg1 Kxe7 27. Bc4 Rff8 28. d5 Qh4 29. d6+ Ke8 30. Qxh4 gxh4 31. e6 Bb5 32. Bxb5+ Nxb5 33. e7 Rf6 34. Rxf5 Rxf5 35. Rd1 Kd7 36. e4 Re5 0-1

[Event "Hamburg-chT Landesliga 1819"]
[Site "Hamburg"]
[Date "2019.04.14"]
[Round "9.5"]
[White "Dumjahn, Carsten"]
[Black "Ludwig, Jan"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "2076"]
[BlackElo "2070"]
[PlyCount "64"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Johanneum Eppendorf II"]
[BlackTeam "Hamburg Weisse Dame"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 e6 2. c4 f5 3. e3 Nf6 4. Be2 d5 5. b3 Bd6 6. Ba3 0-0 7. 0-0 c6 8. d4 Bxa3 9. Nxa3 Qd6 10. c5 Qc7 11. b4 Nbd7 12. b5 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. bxc6 bxc6 16. Qd4 Qc7 17. Rab1 Re8 18. Rfe1 Re4 19. Qc3 Rh4 20. g3 Ne4 21. Qd4 Rh6 22. Kg2 Nxf2 23. Nb5 cxb5 24. Qxd5+ Kf8 25. Qxa8 Ne4 26. Rg1 Ke7 27. Bf3 Qa5 28. Bxe4 Qxa2+ 29. Kf3 fxe4+ 30. Qxe4+ Re6 31. Qxh7 Rf6+ 32. Ke4 Qc2+ 0-1

[Event "Hamburg-chT Landesliga 1819"]
[Site "Hamburg"]
[Date "2019.04.13"]
[Round "8.6"]
[White "Dumjahn, Carsten"]
[Black "Schroeder, Raymond"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2076"]
[BlackElo "1977"]
[PlyCount "69"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Johanneum Eppendorf II"]
[BlackTeam "Barmbek"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. d4 Be7 5. Nc3 0-0 6. b3 c5 7. Bb2 cxd4 8. exd4 Nc6 9. Bd3 b6 10. 0-0 Bb7 11. Re1 Nb4 12. Be2 Rc8 13. Rc1 dxc4 14. bxc4 Bxf3 15. Bxf3 Rxc4 16. d5 Nfxd5 17. Qb3 Rc5 18. Rcd1 Qc7 19. Na4 Rc4 20. Be5 Qc8 21. Nb2 Rc6 22. a3 Nc2 23. Re4 Nc3 24. Rg4 f6 25. Bxc6 Nxd1 26. Qxc2 Nxf2 27. Kxf2 fxe5+ 28. Kg3 Bc5 29. Be4 h5 30. Rg5 Qe8 31. Bh7+ Kh8 32. Qg6 Bf2+ 33. Kh3 Qd7 34. Qxh5 Rf4 35. g3 1-0

[Event "GER CupT 1819 prel2"]
[Site "Rostock"]
[Date "2019.01.27"]
[Round "2.4"]
[White "Dumjahn, Carsten"]
[Black "Ellenberg, Ekkehard"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2076"]
[BlackElo "2040"]
[PlyCount "105"]
[EventDate "2019.01.26"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Johanneum Eppendorf"]
[BlackTeam "Oranienburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. d4 e6 3. Bg5 Be7 4. Nbd2 d5 5. e3 Nbd7 6. Bd3 c6 7. Ne5 Nxe5 8. dxe5 Nd7 9. Bxe7 Qxe7 10. f4 0-0 11. c3 f6 12. Nf3 Nc5 13. Be2 Ne4 14. 0-0 f5 15. Nd2 Nxd2 16. Qxd2 b6 17. c4 Bb7 18. cxd5 cxd5 19. Rfc1 Rfc8 20. b4 Qd7 21. Kf2 Rxc1 22. Rxc1 Rc8 23. a3 Rxc1 24. Qxc1 Qc6 25. Qxc6 Bxc6 26. h3 Be8 27. Bd1 g6 28. g4 Kf8 29. a4 h6 30. a5 Kg7 31. Be2 Ba4 32. Ba6 Bd1 33. Kg3 Kf7 34. Bb5 Ke7 35. gxf5 gxf5 36. Kf2 Kd8 37. Ke1 Bh5 38. Kd2 Kc7 39. Kc3 Bd1 40. Kd4 Bh5 41. Ba4 Be2 42. Be8 Bf1 43. h4 Be2 44. Ba4 Bc4 45. Bd1 Bb5 46. Bb3 Kd7 47. axb6 axb6 48. Bc2 Bc6 49. Bd3 Ke7 50. Ba6 Kd8 51. Be2 Ke7 52. Bd3 Kf7 53. Be2 1/2-1/2

[Event "GER CupT 1819 prel2"]
[Site "Rostock"]
[Date "2019.01.26"]
[Round "1.4"]
[White "Dumjahn, Carsten"]
[Black "Joachim, Christian"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2076"]
[PlyCount "97"]
[EventDate "2019.01.26"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Johanneum Eppendorf"]
[BlackTeam "Think Rochade"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 e6 2. c4 b6 3. b3 Qf6 4. Nc3 Bb4 5. Bb2 Bb7 6. Qc2 Qg6 7. Qxg6 hxg6 8. Nb5 Kd8 9. Ng5 Rh5 10. Nxf7+ Ke7 11. Ne5 Na6 12. a3 Bd6 13. Nxg6+ Kf7 14. Nxd6+ cxd6 15. Nf4 Rf5 16. e3 e5 17. Bd3 e4 18. Bc2 Nf6 19. h3 Rc5 20. b4 Rcc8 21. Bb3 g5 22. Ne2 Nc7 23. 0-0 Rh8 24. c5+ d5 25. f3 Ke7 26. cxb6 axb6 27. Bxf6+ Kxf6 28. fxe4+ Ke7 29. exd5 Nxd5 30. Bxd5 Bxd5 31. Nc3 Be6 32. d4 d5 33. e4 dxe4 34. d5 Bxh3 35. gxh3 Rxh3 36. Nxe4 Rah8 37. d6+ Kd8 38. Rad1 g4 39. d7 Rh1+ 40. Kg2 R1h2+ 41. Kg3 R2h3+ 42. Kxg4 R8h4+ 43. Kf5 Rh5+ 44. Ke6 Rh6+ 45. Rf6 Rxf6+ 46. Nxf6 Rxa3 47. Rc1 Ra8 48. Ne4 b5 49. Nd6 1-0

[Event "Hamburg-chT Landesliga 1819"]
[Site "Hamburg"]
[Date "2019.01.20"]
[Round "5.6"]
[White "Dumjahn, Carsten"]
[Black "Varain, Ernst Helmuth"]
[Result "1/2-1/2"]
[ECO "D90"]
[WhiteElo "2076"]
[BlackElo "2066"]
[PlyCount "88"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Johanneum Eppendorf II"]
[BlackTeam "Grosshansdorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d5 5. Qa4+ Bd7 6. Qb3 dxc4 7. Qxc4 0-0 8. Bf4 Na6 9. e4 c6 10. Be2 Be6 11. Qd3 Qb6 12. 0-0 Rfd8 13. Rfd1 Ne8 14. Be3 Qa5 15. Qc2 Bg4 16. a3 Bxf3 17. Bxf3 Qc7 18. g3 e5 19. dxe5 Bxe5 20. Bg2 Qe7 21. Rxd8 Qxd8 22. Rd1 Qe7 23. f4 Bc7 24. Qf2 Nd6 25. Qe2 Qe6 26. Bf2 Bb6 27. Bxb6 axb6 28. e5 Ne8 29. Ne4 Nac7 30. Qd3 h6 31. Qd7 Rb8 32. Qxe6 Nxe6 33. Rd7 Nc5 34. Nxc5 bxc5 35. Be4 Ng7 36. Kf2 Ne6 37. Ke3 Kf8 38. f5 gxf5 39. Bxf5 Nd4 40. Be4 Ke8 41. Rd6 Ne6 42. Bf5 Ke7 43. Bxe6 fxe6 44. Kd3 Rg8 1/2-1/2

[Event "Bayern-chI Bank Hofmann 22nd"]
[Site "Tegernsee"]
[Date "2018.11.04"]
[Round "9"]
[White "Goldbeck, Lars"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "D93"]
[WhiteElo "2184"]
[BlackElo "2052"]
[PlyCount "85"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 g6 5. Bf4 Bf5 6. Qb3 Qb6 7. c5 Qxb3 8. axb3 Bg7 9. e3 0-0 10. Nc3 Nbd7 11. h3 Rfe8 12. Ne5 Nxe5 13. Bxe5 Nd7 14. Bxg7 Kxg7 15. f4 f6 16. g4 Bc2 17. b4 e5 18. dxe5 fxe5 19. Kd2 Be4 20. Nxe4 dxe4 21. Bc4 exf4 22. exf4 e3+ 23. Kc3 Nf6 24. Rhe1 Ne4+ 25. Kc2 Nf2 26. Ra3 Re4 27. Bf1 Rxb4 28. Raxe3 Rf8 29. Re7+ Rf7 30. b3 Rbxf4 31. Bc4 Rxe7 32. Rxe7+ Kf6 33. Rxb7 h5 34. gxh5 gxh5 35. Rc7 Ke5 36. Rxc6 Ne4 37. Re6+ Kd4 38. c6 Rf2+ 39. Kd1 Nc3+ 40. Ke1 Rf7 41. Rd6+ Kc5 42. Rd7 Rf8 43. c7 1-0

[Event "Bayern-chI Bank Hofmann 22nd"]
[Site "Tegernsee"]
[Date "2018.10.31"]
[Round "5"]
[White "Schneider, Jana"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2174"]
[BlackElo "2052"]
[PlyCount "51"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. e5 c5 5. c3 Nc6 6. Ndf3 cxd4 7. cxd4 Bb4+ 8. Bd2 Qb6 9. Bxb4 Qxb4+ 10. Qd2 Bd7 11. Bd3 Qb6 12. Ne2 Nb4 13. Bb1 Ne7 14. 0-0 Bb5 15. Rd1 Bxe2 16. Qxe2 Nbc6 17. Bd3 0-0 18. Bxh7+ Kxh7 19. Ng5+ Kg6 20. Qg4 f5 21. exf6 Rxf6 22. Nxe6+ Kf7 23. Qxg7+ Kxe6 24. Re1+ Kd7 25. Qxf6 Qxd4 26. Rxe7+ 1-0

[Event "Bayern-chI Bank Hofmann 22nd"]
[Site "Tegernsee"]
[Date "2018.10.30"]
[Round "4"]
[White "Dumjahn, Carsten"]
[Black "Jahnz, Fabian"]
[Result "1/2-1/2"]
[ECO "A09"]
[WhiteElo "2052"]
[BlackElo "2244"]
[PlyCount "45"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 dxc4 3. Na3 a6 4. Nxc4 b5 5. Ne3 Bb7 6. g3 Nf6 7. Bg2 e6 8. 0-0 c5 9. b3 Be7 10. Bb2 Nbd7 11. Qc2 0-0 12. Rac1 Rc8 13. Rfd1 Qb6 14. Qb1 Rfd8 15. Qa1 Ne8 16. d4 cxd4 17. Bxd4 Bc5 18. b4 Bxd4 19. Nxd4 Bxg2 20. Kxg2 Nef6 21. Rxc8 Rxc8 22. Nb3 h6 23. Qd4 1/2-1/2

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2018.05.27"]
[Round "9"]
[White "Wenzel, Birger"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "2079"]
[BlackElo "2032"]
[PlyCount "188"]
[EventDate "2018.05.01"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. 0-0 0-0 8. Re1 Nc6 9. c3 dxe5 10. Nxe5 Nxe5 11. dxe5 Qxd1 12. Bxd1 Bf5 13. Nd2 Nd7 14. Nf3 Nc5 15. Bg5 Rfe8 16. Nd4 Nd3 17. Re3 Nxb2 18. Bb3 c5 19. Nxf5 gxf5 20. Bd5 Rab8 21. e6 fxe6 22. Bxe6+ Kh8 23. Rh3 Bf6 24. Bf4 Rbd8 25. Bxf5 Nd1 26. g4 Nxc3 27. Re1 Nxa2 28. g5 Bd4 29. Rxh7+ Kg8 30. g6 e5 31. Bg5 Rd6 32. g7 Ree6 33. Re4 Rg6 34. Bxg6 Rxg6 35. Rh5 Nc3 36. Reh4 Rxg7 37. Kf1 e4 38. Rf4 e3 39. fxe3 Bxe3 40. Rf5 Bd4 41. Ke1 b5 42. Bd8 Rg1+ 43. Rf1 Rxf1+ 44. Kxf1 b4 45. Ba5 Kf7 46. Rh7+ Ke6 47. Rxa7 Kd5 48. Rd7+ Kc4 49. Ke1 Kd3 50. Rb7 Nd5 51. h4 Kc2 52. Bxb4 cxb4 53. Rxb4 Nxb4 54. Ke2 Nd5 55. Kf3 Kd3 56. Kg4 Ke4 57. h5 Be3 58. Kg3 Bh6 59. Kf2 Nc3 60. Kg3 Ne2+ 61. Kg4 Nf4 62. Kg3 Nxh5+ 63. Kg4 Nf6+ 64. Kg3 Be3 65. Kg2 Nh5 66. Kh3 Kf3 67. Kh4 Ng3 68. Kh3 Bg1 69. Kh4 Ne4 70. Kh3 Ng5+ 71. Kh4 Kf4 72. Kh5 Kf5 73. Kh4 Bf2+ 74. Kh5 Ne6 75. Kh6 Nf4 76. Kg7 Bc5 77. Kf7 Nd5 78. Ke8 Nb6 79. Kd8 Bd6 80. Ke8 Ke6 81. Kd8 Be5 82. Ke8 Bf6 83. Kf8 Nc4 84. Ke8 Nd6+ 85. Kf8 Bd4 86. Kg8 Kf6 87. Kf8 Bc5 88. Kg8 Nf5 89. Kh7 Kf7 90. Kh8 Bf8 91. Kh7 Nh6 92. Kh8 Ng4 93. Kh7 Nf6+ 94. Kh8 Bg7# 0-1

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2018.05.26"]
[Round "8"]
[White "Dumjahn, Carsten"]
[Black "Schroeder, Christoph"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2032"]
[BlackElo "2186"]
[PlyCount "50"]
[EventDate "2018.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. g3 Nc6 4. Bg2 e5 5. d3 Nf6 6. 0-0 Be7 7. e3 dxe3 8. fxe3 Bg4 9. Nc3 0-0 10. h3 Bh5 11. g4 Bg6 12. d4 exd4 13. exd4 Ne4 14. Nd5 Bd6 15. Bf4 Re8 16. Re1 Bxf4 17. Nxf4 Qd6 18. Nxg6 hxg6 19. Ne5 Nxe5 20. Bxe4 Nxc4 21. Kg2 c6 22. d5 cxd5 23. Qxd5 Qxd5 24. Bxd5 Ne3+ 25. Rxe3 Rxe3 0-1

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2018.05.25"]
[Round "7"]
[White "Staak, Riccardo"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2126"]
[BlackElo "2032"]
[PlyCount "28"]
[EventDate "2018.05.01"]
[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 d5 2. Bf4 Nf6 3. e3 c5 4. Nf3 Nc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 cxd4 8. exd4 Nxd4 9. Qd3 Nc6 10. 0-0-0 e6 11. Qb5 Qb6 12. Qxb6 axb6 13. a3 Bc5 14. Nb5 0-0 0-1

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2018.05.24"]
[Round "6"]
[White "Dumjahn, Carsten"]
[Black "Bernhard, Ralph"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2032"]
[BlackElo "1728"]
[PlyCount "71"]
[EventDate "2018.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. e3 c5 4. b4 dxe3 5. fxe3 cxb4 6. d4 e6 7. Bd3 Nf6 8. 0-0 Be7 9. Bb2 0-0 10. Nbd2 Nc6 11. e4 Ng4 12. Qe2 Bg5 13. Nxg5 Qxg5 14. Rae1 Rd8 15. h3 Nh6 16. Nf3 Qh5 17. e5 a5 18. Rd1 Ne7 19. Qf2 g5 20. Nxg5 Nef5 21. Ne4 Qg6 22. Kh1 Kh8 23. d5 Qh5 24. Nf6 Qh4 25. Qxh4 Nxh4 26. Bxh7 N6f5 27. Bxf5 Nxf5 28. Rf3 b6 29. g4 Nh4 30. Rfd3 Bb7 31. Kh2 Ba6 32. dxe6 Rxd3 33. Rxd3 fxe6 34. Rd7 Nf3+ 35. Kg3 Ng5 36. Kh4 1-0

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2018.05.23"]
[Round "5"]
[White "Emami, Madjid"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1986"]
[BlackElo "2032"]
[PlyCount "82"]
[EventDate "2018.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 c5 3. Bb2 f6 4. c4 d4 5. e3 e5 6. exd4 cxd4 7. Bd3 Nc6 8. 0-0 Bg4 9. Be4 Bd6 10. h3 Bh5 11. Re1 Nge7 12. g4 Bf7 13. d3 Qd7 14. Nh4 Be6 15. Qf3 0-0-0 16. a3 g5 17. Nf5 Bxf5 18. gxf5 h5 19. c5 Bxc5 20. Rc1 Bd6 21. b4 Kb8 22. Bxc6 Nxc6 23. Nd2 g4 24. Qe4 Ne7 25. hxg4 hxg4 26. Kf1 Qxf5 27. Ke2 Rh2 28. Qxf5 Nxf5 29. Ne4 g3 30. Kf3 gxf2 31. Nxf2 Nh4+ 32. Ke2 Rg8 33. Rg1 Rgg2 34. Rxg2 Nxg2 35. Bc1 a5 36. Bd2 Ne3 37. Bxe3 dxe3 38. Kxe3 axb4 39. axb4 Bxb4 40. Ng4 Rh4 41. Nxf6 Bc5+ 0-1

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2018.05.22"]
[Round "4"]
[White "Keyser, Philipp"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2005"]
[BlackElo "2032"]
[PlyCount "77"]
[EventDate "2018.05.01"]
[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. Nd2 Be7 4. e5 Nh6 5. Bd3 c5 6. c3 cxd4 7. cxd4 Nc6 8. Ne2 0-0 9. 0-0 Nf5 10. Nf3 Bd7 11. Nf4 Nfxd4 12. Nxd4 Nxd4 13. Bxh7+ Kxh7 14. Qxd4 Bb5 15. Rd1 Rc8 16. Nh3 Rc4 17. Qxa7 Qc7 18. Be3 Bc6 19. b3 Rh4 20. Bc5 Rxh3 21. gxh3 Bxc5 22. Qxc5 Qxe5 23. Qe3 Qf5 24. Qd3 g6 25. a4 e5 26. Qxf5 gxf5 27. b4 d4 28. f4 Rg8+ 29. Kf1 f6 30. Ra2 Bd5 31. Rb2 Bf3 32. Rdd2 Rd8 33. b5 e4 34. Rb4 d3 35. Kf2 Rg8 36. Rb1 Rg2+ 37. Ke3 Be2 38. Rh1 Rg8 39. a5 1-0

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2018.05.21"]
[Round "3"]
[White "Dumjahn, Carsten"]
[Black "Jantzen, Hans Joerg"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "2032"]
[BlackElo "2137"]
[PlyCount "78"]
[EventDate "2018.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 g6 5. Nc3 Bg7 6. 0-0 0-0 7. Re1 Ne4 8. Nxe4 Bxe4 9. d3 Bb7 10. d4 Be4 11. b3 d6 12. Bb2 a5 13. a3 Qc8 14. Qd2 Qb7 15. Nh4 Bxg2 16. Nxg2 Nd7 17. e4 e5 18. d5 b5 19. Bc3 Nc5 20. Rab1 bxc4 21. bxc4 Qa6 22. Rb5 a4 23. Qc2 Nb3 24. Qd3 f5 25. exf5 Rxf5 26. f4 Re8 27. Nh4 Rff8 28. fxe5 dxe5 29. Bb4 Rf7 30. d6 cxd6 31. Qxd6 Qa7+ 32. c5 e4 33. Kg2 g5 34. Rxe4 Rxe4 35. Qd8+ Rf8 36. Qd5+ Qf7 37. Qxf7+ Rxf7 38. c6 Rc4 39. Nf3 Rc2+ 0-1

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2018.05.20"]
[Round "2"]
[White "Frackowiak, Oliver"]
[Black "Dumjahn, Carsten"]
[Result "1/2-1/2"]
[ECO "C08"]
[WhiteElo "2163"]
[BlackElo "2032"]
[PlyCount "51"]
[EventDate "2018.05.01"]
[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. Nd2 a6 4. Ngf3 c5 5. exd5 exd5 6. dxc5 Bxc5 7. Bd3 Nc6 8. c3 Nge7 9. Nb3 Bb6 10. h3 0-0 11. 0-0 Bf5 12. Bg5 Qd6 13. Qd2 Bg6 14. Bf4 Qd7 15. Bxg6 hxg6 16. Rad1 Rad8 17. Be3 Bc7 18. Nbd4 Rfe8 19. Qd3 Qd6 20. g3 Qd7 21. Kg2 Nf5 22. Nxf5 gxf5 23. Qd2 f6 24. c4 Qf7 25. cxd5 Ne7 26. Bf4 1/2-1/2

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2018.05.19"]
[Round "1"]
[White "Dumjahn, Carsten"]
[Black "Bracker, Arne"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2032"]
[BlackElo "2218"]
[PlyCount "50"]
[EventDate "2018.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 Be7 5. Bg2 0-0 6. 0-0 b6 7. cxd5 Nxd5 8. Bb2 Bb7 9. d4 Nd7 10. Re1 c5 11. e4 N5f6 12. Nc3 cxd4 13. Nxd4 Ne5 14. Re2 Rc8 15. Rd2 Bc5 16. Nxe6 fxe6 17. Rxd8 Rcxd8 18. Qe2 Nfg4 19. Nd1 Nxf2 20. b4 Rxd1+ 21. Rxd1 Nh3+ 22. Kh1 Nf2+ 23. Kg1 Nh3+ 24. Kh1 Nf2+ 25. Kg1 Nh3+ 1/2-1/2

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.03"]
[Round "1.19"]
[White "Dumjahn, Carsten"]
[Black "Grabbel, Lennart Christian"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2056"]
[BlackElo "1714"]
[PlyCount "81"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. e3 Bf5 4. c4 c6 5. Nc3 e6 6. Bd3 Bxd3 7. Qxd3 Nbd7 8. 0-0 Bd6 9. e4 Nxe4 10. Nxe4 dxe4 11. Qxe4 Nf6 12. Qe2 0-0 13. Bg5 h6 14. Bh4 Be7 15. Rfd1 Qb6 16. Rd3 Rad8 17. Rad1 Rfe8 18. b3 Kf8 19. h3 c5 20. dxc5 Qxc5 21. Ne5 Kg8 22. Bxf6 Bxf6 23. Nd7 Qe7 24. Qf3 b6 25. Qb7 Ra8 26. Nxf6+ Qxf6 27. Rf3 Reb8 28. Qxa8 Rxa8 29. Rxf6 gxf6 30. Rd7 f5 31. Kf1 Kf8 32. Ke2 a5 33. Rb7 Ra6 34. a4 Kg7 35. f4 Kg6 36. Ke3 Kf6 37. Kd4 Kg6 38. Ke5 Kg7 39. Rb8 f6+ 40. Kxe6 b5+ 41. Kd5 1-0

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.03"]
[Round "6.19"]
[White "Dumjahn, Carsten"]
[Black "Kunow, Frank"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2056"]
[BlackElo "1856"]
[PlyCount "77"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Bg7 3. e4 d6 4. Bc4 e6 5. 0-0 Ne7 6. Re1 0-0 7. e5 d5 8. Bd3 Nd7 9. Bg5 h6 10. Bxe7 Qxe7 11. c3 c5 12. Nbd2 a6 13. h4 Re8 14. a3 c4 15. Bc2 b5 16. Nf1 Nf8 17. Qd2 Bd7 18. N1h2 h5 19. g4 hxg4 20. Nxg4 Reb8 21. Qf4 Nh7 22. Ng5 Be8 23. Kg2 Rb6 24. Rh1 f5 25. exf6 Nxf6 26. Ne5 Nh5 27. Qg4 Qf6 28. Rhe1 Bh6 29. Kf1 Bxg5 30. hxg5 Qf4 31. Re3 Ra7 32. Rae1 Rh7 33. Rf3 Qd2 34. Bxg6 Bxg6 35. Nxg6 Nf4 36. Nh4 Ng6 37. Rxe6 Rxh4 38. Re8+ Kg7 39. Qd7+ 1-0

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.03"]
[Round "3.7"]
[White "Dumjahn, Carsten"]
[Black "Lammers, Markus"]
[Result "0-1"]
[ECO "A35"]
[WhiteElo "2056"]
[BlackElo "2267"]
[PlyCount "54"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. e3 g6 3. d4 Bg7 4. c4 0-0 5. Be2 c5 6. 0-0 cxd4 7. Nxd4 Nc6 8. Nc3 d6 9. Nxc6 bxc6 10. Qc2 d5 11. Rd1 Qc7 12. h3 Rd8 13. Bd2 e5 14. cxd5 cxd5 15. Rac1 d4 16. exd4 exd4 17. Nb5 Qxc2 18. Rxc2 d3 19. Ba5 Bf5 20. Rcc1 Rd5 21. Bf3 Rxb5 22. Bxa8 Rxa5 23. g4 Be6 24. Rxd3 h5 25. f3 Rxa2 26. Ra3 Rxb2 27. Rxa7 Nxg4 0-1

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.03"]
[Round "2.17"]
[White "Krueger, Marian"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1692"]
[BlackElo "2056"]
[PlyCount "61"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. d3 h6 5. 0-0 e6 6. Nfd2 c5 7. e4 Bh7 8. exd5 exd5 9. Qe2+ Be7 10. Nc3 Nc6 11. Nf3 0-0 12. Ne5 Re8 13. f4 c4 14. Nxc6 bxc6 15. Kh1 Rb8 16. dxc4 Ba3 17. Qf3 Bxb2 18. Bxb2 Rxb2 19. cxd5 cxd5 20. Nxd5 Be4 21. Nxf6+ Qxf6 22. Qd1 Bxg2+ 23. Kxg2 Qc6+ 24. Kh3 Rxc2 25. Qf3 Qd7+ 26. f5 Ree2 27. Rh1 Rf2 28. Qa8+ Kh7 29. Qe4 Rce2 30. Qg4 Qc6 31. Rag1 0-1

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.03"]
[Round "7.15"]
[White "Rudolph, Jens Erik"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1929"]
[BlackElo "2056"]
[PlyCount "60"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. g3 Bg7 4. Bg2 0-0 5. e3 d5 6. Ne2 c5 7. d3 Nc6 8. Nd2 e5 9. h3 Re8 10. a3 b6 11. c4 Bb7 12. Qc2 dxc4 13. dxc4 Nb4 14. axb4 Bxg2 15. Rh2 Bb7 16. bxc5 bxc5 17. e4 Bh6 18. f3 Nh5 19. Rd1 Qa5 20. Bc3 Qc7 21. Nf1 Ng7 22. Qb2 f5 23. Qc2 fxe4 24. fxe4 Ne6 25. Bd2 Bg7 26. Ne3 Nd4 27. Nxd4 exd4 28. Nd5 Qxg3+ 29. Rf2 d3 30. Qc1 Rxe4+ 0-1

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.03"]
[Round "5.20"]
[White "Topalov, Mihail"]
[Black "Dumjahn, Carsten"]
[Result "1/2-1/2"]
[ECO "B05"]
[WhiteElo "1856"]
[BlackElo "2056"]
[PlyCount "120"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. exd6 cxd6 5. Nf3 Bg4 6. Be2 Nc6 7. 0-0 g6 8. h3 Bxf3 9. Bxf3 Nb6 10. c3 Bg7 11. Na3 0-0 12. Re1 e5 13. dxe5 dxe5 14. Be3 Re8 15. Qb3 Qe7 16. Bxb6 axb6 17. Qxb6 Ra6 18. Qb3 Na5 19. Qb5 f5 20. Nc4 Nxc4 21. Bd5+ Kh8 22. Bxc4 Rd6 23. Rad1 Red8 24. Bb3 h5 25. Rxd6 Rxd6 26. Rd1 b6 27. Rd5 e4 28. Kf1 Kh7 29. Rxd6 Qxd6 30. Ke2 Bh6 31. Qd5 Qxd5 32. Bxd5 h4 33. a4 Kg7 34. b4 Kf6 35. a5 bxa5 36. bxa5 Bf8 37. f3 Ke5 38. fxe4 fxe4 39. Bb7 Bc5 40. Kd2 g5 41. Kc2 Ba7 42. Kb3 e3 43. Bf3 Kd6 44. Kc4 e2 45. Bxe2 Bf2 46. Kb5 Be3 47. c4 Bf2 48. Ka6 Kc7 49. Bf3 Be3 50. Kb5 Kd6 51. Kb4 Bd4 52. Be4 Bf2 53. a6 Bd4 54. Kb3 Ke5 55. Bf3 Kd6 56. Kc2 Ke5 57. Kd3 Bc5 58. Bd5 Bd4 59. Ke2 Kf4 60. Bb7 Bc5 1/2-1/2

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.03"]
[Round "4.13"]
[White "Tran, My Linh"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "1899"]
[BlackElo "2056"]
[PlyCount "81"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 0-0 9. Be2 Nc6 10. b3 Bf5 11. Nf3 d5 12. c5 Nc8 13. 0-0 Bg4 14. Qd2 Re8 15. h3 Bxf3 16. Bxf3 e6 17. b4 a6 18. Rb1 N8e7 19. b5 Na5 20. Be2 Nf5 21. bxa6 bxa6 22. Rb6 Nc4 23. Bxc4 dxc4 24. Ne4 Qh4 25. Nd6 Nxd6 26. Rxd6 Bf8 27. Rd7 Qe4 28. Qa5 Re7 29. Qc7 Rxd7 30. Qxd7 Qd5 31. Qxd5 exd5 32. Rb1 a5 33. Rb7 Rc8 34. Ra7 c3 35. Rxa5 c2 36. Rb5 Bg7 37. Rb4 Bxd4 38. Rxd4 Rxc5 39. Bc1 Rb5 40. Rd2 Rc5 41. Kf1 1-0

[Event "Hamburg-ch"]
[Site "Hamburg"]
[Date "2016.05.22"]
[Round "9"]
[White "Goepfert, Jakob"]
[Black "Dumjahn, Carsten"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "2023"]
[BlackElo "2038"]
[PlyCount "44"]
[EventDate "2016.05.14"]
[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 d5 2. c4 e6 3. Nc3 c6 4. e3 Bd6 5. Nf3 f5 6. Be2 Nd7 7. Qc2 Ngf6 8. cxd5 cxd5 9. Bd2 a6 10. h3 Ne4 11. g4 Ndf6 12. Rg1 0-0 13. Rg2 b5 14. Ne5 b4 15. Nxe4 fxe4 16. g5 Nd7 17. 0-0-0 Nxe5 18. dxe5 Bxe5 19. Bxb4 Rf7 20. Qxe4 Qc7+ 21. Qc2 Qb6 22. Bc3 Rc7 1/2-1/2

[Event "Hamburg-ch"]
[Site "Hamburg"]
[Date "2016.05.21"]
[Round "8"]
[White "Urban, Ralf Dieter"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2052"]
[BlackElo "2038"]
[PlyCount "66"]
[EventDate "2016.05.14"]
[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. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. Bg5 Be7 8. Bxe7 Qxe7 9. 0-0 Ngf6 10. Qe2 Bxe4 11. Bxe4 Nxe4 12. Qxe4 c6 13. Rad1 0-0 14. Rd3 Nf6 15. Qe5 Rfd8 16. Re1 Rd5 17. Qf4 Rad8 18. g4 R5d7 19. c4 Qb4 20. b3 c5 21. g5 Nh5 22. Qg4 g6 23. Red1 Qb6 24. d5 Qc7 25. Re3 exd5 26. Ne5 Re7 27. f4 d4 28. Re4 f5 29. gxf6 Nxf6 30. Qf3 Nxe4 31. Qxe4 Qd6 32. Rd3 Rf8 33. Rf3 Qc6 0-1

[Event "Hamburg-ch"]
[Site "Hamburg"]
[Date "2016.05.20"]
[Round "7"]
[White "Dumjahn, Carsten"]
[Black "Baberz, Alexander"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2038"]
[BlackElo "2057"]
[PlyCount "73"]
[EventDate "2016.05.14"]
[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. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. d4 cxd4 6. Bc4 Nb6 7. Bb3 d5 8. exd6 Qxd6 9. 0-0 Bf5 10. Nxd4 Nxd4 11. cxd4 e6 12. Nc3 Be7 13. Qf3 0-0 14. d5 Qe5 15. Bf4 Qf6 16. d6 Bd8 17. Rfe1 g5 18. Be5 Qg6 19. Rac1 h5 20. Qxb7 Bf6 21. Bxf6 Qxf6 22. Ne4 Qg6 23. Ng3 Rfb8 24. Qf3 Bg4 25. Qe3 Nd5 26. Qd2 Nf4 27. Bc2 Qg7 28. h3 h4 29. hxg4 hxg3 30. fxg3 Nd5 31. Bb3 Rd8 32. Rc6 Nb6 33. Rc5 Nd5 34. Rxd5 exd5 35. Qxd5 Qg6 36. Rf1 Rf8 37. Rf5 1-0

[Event "Hamburg-ch"]
[Site "Hamburg"]
[Date "2016.05.19"]
[Round "6"]
[White "Buchholz, Robert"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "D48"]
[WhiteElo "2002"]
[BlackElo "2038"]
[PlyCount "128"]
[EventDate "2016.05.14"]
[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 e6 2. d4 d5 3. Nc3 c5 4. e3 Nf6 5. Nf3 a6 6. a3 dxc4 7. Bxc4 b5 8. Bd3 Nbd7 9. 0-0 Bb7 10. Qe2 Be7 11. dxc5 Nxc5 12. Bc2 0-0 13. b4 Nce4 14. Nxe4 Nxe4 15. Bb2 Bf6 16. Rfd1 Qe7 17. Nd4 Rac8 18. Qd3 g6 19. f3 Nd6 20. e4 Nc4 21. Bc3 Rfd8 22. Qe2 Bg7 23. Qe1 Qc7 24. Ne2 Rxd1 25. Bxd1 Ne5 26. Qg3 Nxf3+ 27. gxf3 Bxc3 28. Qxc7 Rxc7 29. Nxc3 Rxc3 30. Kf2 f5 31. exf5 gxf5 32. Be2 Bc6 33. a4 bxa4 34. Bxa6 Rxf3+ 35. Ke2 Rb3 36. Bc4 Rb2+ 37. Ke3 Kf7 38. Kd4 Bd7 39. Kc5 Rxh2 40. b5 f4 41. Rxa4 Kf6 42. Ra6 Rh5+ 43. Kb4 f3 44. Rd6 Ke7 45. Ra6 f2 46. Ra1 Rf5 47. Bd3 Rf3 48. Bc4 Kd6 49. Ra6+ Ke5 50. Ra7 Be8 51. Ra1 Bg6 52. Kc5 Bd3 53. Bxd3 Rxd3 54. b6 Ke4 55. Rb1 Ke3 56. Kc6 Ke2 57. b7 Rd8 58. Kc7 Rf8 59. Rb2+ Kf3 60. b8Q Rxb8 61. Rxb8 f1Q 62. Rf8+ Ke2 63. Rxf1 Kxf1 64. Kd6 h5 0-1

[Event "Hamburg-ch"]
[Site "Hamburg"]
[Date "2016.05.18"]
[Round "5"]
[White "Dumjahn, Carsten"]
[Black "Hloskovsky, Andrei"]
[Result "0-1"]
[ECO "C29"]
[WhiteElo "2038"]
[BlackElo "2070"]
[PlyCount "42"]
[EventDate "2016.05.14"]
[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. Nc3 Nf6 3. f4 d5 4. exd5 Nxd5 5. fxe5 Nxc3 6. bxc3 Qh4+ 7. Ke2 Bg4+ 8. Nf3 Nc6 9. Qe1 Qh5 10. d4 0-0-0 11. Bf4 Bxf3+ 12. gxf3 Rxd4 13. cxd4 Nxd4+ 14. Kd3 Bb4 15. c3 Rd8 16. cxd4 Bxe1 17. Rxe1 Qxf3+ 18. Be3 c5 19. Be2 Rxd4+ 20. Kc2 Qe4+ 21. Kb2 Rb4+ 0-1

[Event "Hamburg-ch"]
[Site "Hamburg"]
[Date "2016.05.17"]
[Round "4"]
[White "Dumjahn, Carsten"]
[Black "Mandelbaum, Peter Rene"]
[Result "1/2-1/2"]
[ECO "C29"]
[WhiteElo "2038"]
[BlackElo "2132"]
[PlyCount "54"]
[EventDate "2016.05.14"]
[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. Nc3 Nf6 3. f4 d5 4. exd5 exf4 5. d4 Nxd5 6. Nxd5 Qxd5 7. Bxf4 Bd6 8. Qe2+ Be6 9. Qb5+ Qxb5 10. Bxb5+ Ke7 11. Bxd6+ Kxd6 12. Nf3 c6 13. Bd3 h6 14. 0-0 Nd7 15. c4 Rab8 16. a4 b6 17. Rad1 Nf6 18. Nh4 Rhe8 19. d5 cxd5 20. cxd5 Bd7 21. Bb5 Re4 22. Bxd7 Rxh4 23. Bc6 Re4 24. Rf2 Rc8 25. Rdf1 Nxd5 26. Bxd5 Kxd5 27. Rxf7 Rxa4 1/2-1/2

[Event "Hamburg-ch"]
[Site "Hamburg"]
[Date "2016.05.16"]
[Round "3"]
[White "Kneip, Jakob"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2095"]
[BlackElo "2038"]
[PlyCount "49"]
[EventDate "2016.05.14"]
[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 e6 2. e4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. Bd3 Bb4 6. 0-0 Bxc3 7. exd5 Bxb2 8. Bxb2 exd5 9. Ba3 Be6 10. Rb1 Na5 11. Re1 Qd7 12. Ne5 Qc8 13. f4 Ne4 14. Bxe4 dxe4 15. Rxe4 c6 16. Re3 g6 17. c4 Qc7 18. Qa4 0-0-0 19. d5 cxd5 20. cxd5 Rxd5 21. Rc1 Nc6 22. Nxc6 bxc6 23. Rxc6 Rd1+ 24. Kf2 Rd2+ 25. Ke1 1-0

[Event "Hamburg-ch"]
[Site "Hamburg"]
[Date "2016.05.15"]
[Round "2"]
[White "Dumjahn, Carsten"]
[Black "Bente, Bjoern"]
[Result "1-0"]
[ECO "C29"]
[WhiteElo "2038"]
[BlackElo "2253"]
[PlyCount "103"]
[EventDate "2016.05.14"]
[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. Nc3 Nf6 3. f4 d5 4. exd5 Nxd5 5. fxe5 Qh4+ 6. g3 Nxc3 7. gxh4 Nxd1 8. Kxd1 Nc6 9. Nf3 Bg4 10. Be2 0-0-0 11. Re1 Be7 12. c3 Rhf8 13. d4 f6 14. exf6 Rxf6 15. Ng5 Bxe2+ 16. Kxe2 h6 17. Nf3 Rdf8 18. Rf1 Bd6 19. Be3 Ne7 20. Ne5 Rxf1 21. Rxf1 Rxf1 22. Kxf1 Bxe5 23. dxe5 Kd7 24. Ke2 Nc6 25. Bd4 Ke6 26. Ke3 Nxe5 27. Ke4 Nf7 28. Bxg7 h5 29. Kf4 b5 30. b4 a6 31. Bd4 c6 32. Bg7 Nd6 33. Kg5 Nf7+ 34. Kxh5 Kf5 35. Bd4 Nd6 36. Kh6 Kg4 37. h5 Nf5+ 38. Kg6 Nh4+ 39. Kf6 Kxh5 40. Ke6 Nf3 41. Kd6 Nxh2 42. Kxc6 Kg6 43. Kb6 Kf7 44. Kxa6 Ke6 45. Kxb5 Kd7 46. Kb6 Nf3 47. a4 Kc8 48. a5 Kb8 49. a6 Ka8 50. Kc6 Nd2 51. b5 Nc4 52. Kd5 1-0

[Event "Hamburg-ch"]
[Site "Hamburg"]
[Date "2016.05.14"]
[Round "1"]
[White "Schroeder, Christoph"]
[Black "Dumjahn, Carsten"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2217"]
[BlackElo "2038"]
[PlyCount "89"]
[EventDate "2016.05.14"]
[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 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 Nc6 5. 0-0 b6 6. c4 Bb7 7. Nc3 Be7 8. b3 0-0 9. dxc5 bxc5 10. Bb2 d5 11. cxd5 exd5 12. Rc1 Rc8 13. Bb1 Qd7 14. Na4 d4 15. exd4 cxd4 16. Nxd4 Nxd4 17. Qxd4 Qb5 18. Qe5 Qxe5 19. Bxe5 Ne4 20. Rfd1 Rxc1 21. Rxc1 Rd8 22. Bf4 Ba3 23. Rf1 Nd2 24. Bxd2 Rxd2 25. f3 g6 26. Nc3 Bc5+ 27. Kh1 Ba6 28. Rd1 Rxd1+ 29. Nxd1 Bd4 30. Bc2 Be2 31. f4 Kf8 32. h3 h6 33. Kh2 g5 34. fxg5 hxg5 35. g4 Ke7 36. Kg2 Bxd1 37. Bxd1 Kd6 38. Kf3 Kc5 39. Ke4 Bb2 40. Be2 f6 41. Bc4 Kb4 42. a4 a5 43. Kd5 Bc3 44. Kc6 Bb2 45. Kb6 1/2-1/2

[Event "Bayern-chI Bank Hofmann 19th"]
[Site "Bad Wiessee"]
[Date "2015.11.07"]
[Round "8"]
[White "Das, Arghyadip"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2467"]
[BlackElo "2003"]
[PlyCount "71"]
[EventDate "2015.10.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 cxd4 7. cxd4 f6 8. exf6 Nxf6 9. Nc3 Nc6 10. Nf3 Bd6 11. Bb5 0-0 12. 0-0 Qc7 13. Bd3 a6 14. Bg5 h6 15. Be3 Bd7 16. h3 Nh5 17. Rc1 Nf4 18. Bb1 Be8 19. Ne2 Nxh3+ 20. Kh1 Bh5 21. Qd3 Rxf3 22. Qh7+ Kf7 23. Bxh6 Nxf2+ 24. Rxf2 Rxf2 25. Bxg7 Bxe2 26. Kg1 Rf5 27. Bxf5 exf5 28. Re1 Ne7 29. Rxe2 Rc8 30. Bh6+ Ke8 31. Bg5 Kd8 32. Qg8+ Kd7 33. Qe6+ Kd8 34. Rc2 Qd7 35. Qg8+ Qe8 36. Rxc8+ 1-0

[Event "Bayern-chI Bank Hofmann 19th"]
[Site "Bad Wiessee"]
[Date "2015.11.06"]
[Round "7"]
[White "Dumjahn, Carsten"]
[Black "Schuster, Karsten"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2003"]
[BlackElo "2285"]
[PlyCount "153"]
[EventDate "2015.10.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Qa4+ Nbd7 6. Nc3 g6 7. Bc4 Bg7 8. Nf3 0-0 9. d3 a6 10. Qa3 b6 11. 0-0 Bb7 12. Re1 b5 13. Bb3 Re8 14. d6 e6 15. Bg5 h6 16. Bh4 Qb6 17. Qb4 Bxf3 18. gxf3 Qb7 19. Re3 Reb8 20. Qa5 Ne8 21. Bg3 Bd4 22. Ne4 Bxe3 23. fxe3 Kh7 24. d4 Rc8 25. Kf2 Nef6 26. Nc3 Nh5 27. Rd1 Nxg3 28. hxg3 Qb8 29. Ne4 f5 30. Nc5 Qxd6 31. Nxe6 Nf6 32. Nf4 Ra7 33. Nd3 Rac7 34. Ne5 Nd7 35. Nd3 Nf6 36. Qd2 Re8 37. Ne5 Kg7 38. Qd3 Nd7 39. Nxd7 Qxd7 40. d5 Qd6 41. e4 fxe4 42. fxe4 Kh7 43. Kg2 Rce7 44. Re1 Qb4 45. Rf1 Qxe4+ 46. Qxe4 Rxe4 47. Rf7+ Kh8 48. d6 Rd8 49. d7 a5 50. Kf3 Re5 51. a3 Re1 52. Kf2 Rc1 53. Be6 Rc6 54. Re7 Rxe6 55. Rxe6 Rxd7 56. Rxg6 Rd2+ 57. Ke3 Rxb2 58. Rxh6+ Kg7 59. Rd6 Kf7 60. Rd2 Rb3+ 61. Rd3 Rb1 62. Kd4 Ke6 63. Kc5 Ke5 64. Re3+ Kf5 65. Kd4 Kg4 66. Rd3 a4 67. Re3 Rb2 68. Rd3 Rg2 69. Re3 Rb2 70. Rd3 b4 71. axb4 Rxb4+ 72. Kc3 Rb3+ 73. Kc2 Rxd3 74. Kxd3 a3 75. Kc3 Kxg3 76. Kb3 Kh2 77. Kxa3 1/2-1/2

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2014.06.15"]
[Round "9"]
[White "Dumjahn, Carsten"]
[Black "Fegebank, Fritz"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2098"]
[BlackElo "2012"]
[PlyCount "61"]
[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 c5 2. c3 d6 3. d4 Nf6 4. Bd3 g6 5. Nf3 Bg7 6. 0-0 0-0 7. h3 cxd4 8. cxd4 Nc6 9. Nc3 Nd7 10. Be3 Nb6 11. Qb3 e6 12. a4 a5 13. d5 Nb4 14. Na2 exd5 15. Nxb4 axb4 16. exd5 Ra5 17. Bb5 Bf5 18. Rfd1 Nd7 19. Qxb4 Nf6 20. Bc4 Ra8 21. Bb6 Qb8 22. Nd4 Bd7 23. Nb5 Bxb5 24. Bxb5 Rc8 25. Ra3 Rc2 26. Rc3 Rxc3 27. bxc3 Bf8 28. Qf4 Ne8 29. Bd4 Bg7 30. Re1 Nc7 31. Bxg7 1-0

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2014.06.14"]
[Round "8"]
[White "Krueger, David"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1865"]
[BlackElo "2098"]
[PlyCount "55"]
[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 e6 2. d4 d5 3. exd5 exd5 4. Nc3 c6 5. Bd3 Bd6 6. Nge2 Nf6 7. Bf4 Bg4 8. f3 Bh5 9. Qd2 Bg6 10. Bxd6 Qxd6 11. Nf4 Bxd3 12. Nxd3 0-0 13. 0-0-0 b5 14. g4 b4 15. Na4 a5 16. g5 Nfd7 17. f4 Na6 18. h4 Rac8 19. Ne5 Nxe5 20. dxe5 Qe7 21. Qd4 Rfd8 22. Qb6 Nc7 23. Rhe1 Nb5 24. f5 d4 25. Kb1 Nc3+ 26. bxc3 bxc3 27. Ka1 Qa3 28. Qb3 1-0

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2014.06.13"]
[Round "7"]
[White "Dumjahn, Carsten"]
[Black "Groetzbach, Daniel"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2098"]
[BlackElo "1990"]
[PlyCount "57"]
[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 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 d6 5. Na3 Nc6 6. exd6 Qxd6 7. d4 Bg4 8. Be2 e6 9. dxc5 Qxc5 10. 0-0 Be7 11. c4 Ndb4 12. Nb5 0-0 13. a3 Na6 14. b4 Qh5 15. h3 Bxf3 16. Bxf3 Qh4 17. Qe2 Bf6 18. Bb2 Rfd8 19. Bxf6 Qxf6 20. Rfd1 Rac8 21. Rxd8+ Rxd8 22. Rd1 Nab8 23. c5 a6 24. Rxd8+ Nxd8 25. Nd6 Qa1+ 26. Qd1 Qxd1+ 27. Bxd1 a5 28. b5 Kf8 29. Bf3 1-0

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2014.06.12"]
[Round "6"]
[White "Schiele, Lars"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "2112"]
[BlackElo "2098"]
[PlyCount "29"]
[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. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Ng3 Qf6 7. Qe2 e4 8. d3 Bg4 9. dxe4 0-0-0 10. Bxc6 bxc6 11. e5 Qg6 12. Qa6+ Kd7 13. Nd4 Bc5 14. e6+ Ke7 15. Nxc6+ 1-0

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2014.06.11"]
[Round "5"]
[White "Tesch, David"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "C30"]
[WhiteElo "1866"]
[BlackElo "2098"]
[PlyCount "48"]
[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. f4 Bc5 3. Nf3 d6 4. c3 Bb6 5. d4 exd4 6. cxd4 d5 7. e5 Nh6 8. Be2 0-0 9. 0-0 c5 10. Kh1 Nc6 11. dxc5 Bxc5 12. Qc2 Bb6 13. a3 Bf5 14. Bd3 Bxd3 15. Qxd3 Ng4 16. Ng5 g6 17. Nxh7 Kxh7 18. Qh3+ Nh6 19. f5 g5 20. f6 Rg8 21. Qh5 Rg6 22. Bxg5 Qe8 23. Nc3 Qxe5 24. Rf5 Qxf5 0-1

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2014.06.10"]
[Round "4"]
[White "Dumjahn, Carsten"]
[Black "Schroeder, Christoph"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2098"]
[BlackElo "2209"]
[PlyCount "82"]
[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 c5 2. c3 g6 3. d4 cxd4 4. cxd4 d5 5. exd5 Nf6 6. Nc3 Bg7 7. Bc4 a6 8. a4 b6 9. Nf3 Bb7 10. Qb3 0-0 11. 0-0 Ne8 12. Bf4 Nd6 13. Bd3 Nd7 14. Ne5 Nf6 15. Rfe1 Nc8 16. Bc4 Nh5 17. Bg3 Nxg3 18. hxg3 Nd6 19. Bf1 Re8 20. Rad1 Rc8 21. Na2 b5 22. Nb4 Qb6 23. Nbc6 Bxc6 24. Nxc6 e6 25. Rc1 Bxd4 26. Nxd4 Rxc1 27. Rxc1 Qxd4 28. axb5 axb5 29. dxe6 Rxe6 30. Rd1 Qc5 31. Qd5 Qc2 32. Qd2 Qc5 33. Qd4 Qxd4 34. Rxd4 Nc4 35. b3 Na3 36. f3 Re1 37. Kf2 Rb1 38. Rb4 Rb2+ 39. Kg1 Rb1 40. Kf2 Rb2+ 41. Kg1 Rb1 1/2-1/2

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2014.06.09"]
[Round "3"]
[White "Dumjahn, Carsten"]
[Black "Emami, Madjid"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2098"]
[BlackElo "1993"]
[PlyCount "47"]
[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 d6 2. d4 g6 3. Nc3 c6 4. Nf3 Bg7 5. a4 Nf6 6. Be2 0-0 7. 0-0 Na6 8. h3 c5 9. e5 Nd7 10. exd6 exd6 11. Bg5 Qa5 12. Be7 Re8 13. Bxd6 Qb6 14. Nb5 cxd4 15. Re1 Nf6 16. Nfxd4 Ne4 17. a5 Qd8 18. Bh2 Nb4 19. c3 Nd5 20. Bf3 f5 21. Nd6 Nxd6 22. Bxd5+ Nf7 23. Qb3 Rf8 24. a6 1-0

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2014.06.08"]
[Round "2"]
[White "Weiss, Siegfried"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "2009"]
[BlackElo "2098"]
[PlyCount "85"]
[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. Nf3 g6 2. d4 Nf6 3. e3 Bg7 4. Bd3 d5 5. Nbd2 c5 6. c3 0-0 7. 0-0 b6 8. Qe2 Nbd7 9. Ne5 Bb7 10. f4 Ne4 11. Nxd7 Qxd7 12. Bb5 Bc6 13. Bxc6 Qxc6 14. Nxe4 dxe4 15. f5 gxf5 16. Rxf5 Qg6 17. Rh5 Rad8 18. Bd2 e5 19. Rh4 Rfe8 20. Rg4 Qe6 21. dxe5 Kh8 22. Be1 Bxe5 23. Bg3 Bg7 24. Rf1 Rf8 25. Bh4 Rd5 26. c4 Rf5 27. Rxf5 Qxf5 28. Rf4 Qe5 29. b3 f5 30. Bg5 Qd6 31. Rf1 Be5 32. Bf4 Rd8 33. Bxe5+ Qxe5 34. Qh5 Rf8 35. Rd1 Rg8 36. Qe2 Re8 37. Rd5 Qa1+ 38. Kf2 f4 39. exf4 e3+ 40. Kf3 Qd4 41. Rxd4 cxd4 42. Qd3 Kg8 43. Ke2 1-0

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2014.06.07"]
[Round "1"]
[White "Dumjahn, Carsten"]
[Black "Kneip, Jakob"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2098"]
[BlackElo "1974"]
[PlyCount "66"]
[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. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Qa4+ Nbd7 6. Nc3 g6 7. Bc4 Bg7 8. Nge2 0-0 9. d3 a6 10. Be3 Ng4 11. Bb3 Nxe3 12. fxe3 b5 13. Qh4 Qb6 14. d4 Nf6 15. 0-0 Bb7 16. e4 Rad8 17. Kh1 h5 18. h3 b4 19. Na4 Qb5 20. Rae1 Bh6 21. Ng1 Bd2 22. Re2 Be3 23. Rfe1 Bxd4 24. Nf3 Ba7 25. d6 Rxd6 26. e5 Bxf3 27. gxf3 Rd4 28. Qg3 Nd5 29. e6 Kh7 30. Re5 Bb8 31. exf7 Bxe5 32. Qxe5 Qd3 33. Kh2 Nf4 0-1

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2014.??.??"]
[Round "7"]
[White "Altenburg, Nils"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1617"]
[BlackElo "2021"]
[PlyCount "78"]
[EventDate "2014.08.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c3 e6 4. Bf4 Nc6 5. e3 Nh5 6. Bg5 Qb6 7. Qc2 h6 8. Bh4 g5 9. Bg3 d5 10. Be2 Nxg3 11. hxg3 Bg7 12. Nbd2 Bd7 13. dxc5 Qxc5 14. Nb3 Qb6 15. Nfd4 Rc8 16. Qd2 Ne5 17. Nf3 Nc4 18. Bxc4 Rxc4 19. Rd1 Ba4 20. Nfd4 0-0 21. Qd3 f5 22. Rb1 Rcc8 23. Nd2 Bd7 24. Qe2 e5 25. Nc2 Bb5 26. Qd1 Bd3 27. Nf3 Bxc2 28. Qxc2 d4 29. exd4 exd4 30. 0-0 Kh8 31. Qd3 dxc3 32. bxc3 Qc7 33. Rfc1 f4 34. gxf4 Qxf4 35. Rc2 Rfd8 36. Qg6 Rc6 37. Qh5 Kh7 38. Qh2 Qe4 39. Rbc1 Qxc2 0-1

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2014.??.??"]
[Round "5"]
[White "Atri, Jamshid"]
[Black "Dumjahn, Carsten"]
[Result "1/2-1/2"]
[ECO "D01"]
[WhiteElo "1917"]
[BlackElo "2021"]
[PlyCount "88"]
[EventDate "2014.08.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. f3 c6 5. e4 dxe4 6. fxe4 e5 7. dxe5 Qa5 8. Qd2 Ng4 9. e6 fxe6 10. h3 Nge5 11. Nf3 Bb4 12. Be2 0-0 13. Be3 Rd8 14. Rd1 Nf7 15. a3 Bxc3 16. Qxc3 Qxc3+ 17. bxc3 Nf6 18. Rxd8+ Nxd8 19. Bd3 b6 20. 0-0 c5 21. e5 Nd5 22. Bd2 Nf7 23. c4 Ne7 24. Be4 Rb8 25. Ng5 Nxg5 26. Bxg5 Ng6 27. Bxg6 hxg6 28. Rd1 Ba6 29. Rd7 Ra8 30. Be7 Bxc4 31. Kf2 Bd5 32. h4 a5 33. g4 b5 34. c3 b4 35. cxb4 cxb4 36. axb4 a4 37. Rd8+ Rxd8 38. Bxd8 Kf7 39. Bg5 a3 40. Bc1 a2 41. Bb2 Ke7 42. Bc3 Be4 43. b5 Kf7 44. Bb2 Ke7 1/2-1/2

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2014.??.??"]
[Round "1"]
[White "Behrensen Senfft, Joern"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "1514"]
[BlackElo "2021"]
[PlyCount "82"]
[EventDate "2014.08.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Qa4+ Nc6 4. Nf3 a6 5. Qxc4 Nf6 6. a3 g6 7. e3 Bg7 8. Nc3 Be6 9. Qe2 0-0 10. Qc2 Bf5 11. Bd3 Bxd3 12. Qxd3 e5 13. 0-0 Re8 14. Qd1 exd4 15. exd4 Qd6 16. h3 Rad8 17. Be3 Ne7 18. Qb3 Nf5 19. Ne5 Nd5 20. Ne4 Qb6 21. Qxb6 cxb6 22. g4 Nfxe3 23. fxe3 f6 24. Nxf6+ Bxf6 25. e4 Bxe5 26. dxe5 Ne3 27. Rf6 b5 28. Re1 Rd1 29. Rxd1 Nxd1 30. Rb6 Re7 31. b4 Nc3 32. Rd6 Nxe4 33. Rd5 Ng5 34. h4 Nf3+ 35. Kf2 Nxe5 36. Kg3 Nc4 37. Kf4 Nxa3 38. Kg5 Kg7 39. h5 h6+ 40. Kf4 g5+ 41. Kf5 Nc4 0-1

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2014.??.??"]
[Round "4"]
[White "Dumjahn, Carsten"]
[Black "Brueckner, Gerhard"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "2021"]
[BlackElo "1722"]
[PlyCount "117"]
[EventDate "2014.08.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ne4 6. Nxe4 dxe4 7. Bxe7 Qxe7 8. Qe2 0-0 9. 0-0-0 a5 10. Qxe4 a4 11. h4 Na6 12. c3 Bd7 13. Bd3 g6 14. Nf3 a3 15. b3 c5 16. Bxa6 bxa6 17. dxc5 Qxc5 18. Qd4 Qc7 19. Rd3 Bb5 20. c4 Rad8 21. Qc3 Rxd3 22. Qxd3 Rd8 23. Qe3 a5 24. Rd1 Rc8 25. Kd2 Ba6 26. Rc1 Bb7 27. Ke1 Bxf3 28. gxf3 Qe7 29. h5 Qb4+ 30. Ke2 a4 31. h6 axb3 32. Qxb3 Qf8 33. c5 Qxh6 34. Qxa3 Qf4 35. Qe3 Qa4 36. a3 h5 37. Qc3 Qb5+ 38. Ke1 Qc6 39. Qd3 Kg7 40. Kf1 Qa4 41. Qe3 Qc6 42. Kg1 Qe8 43. Qe4 Qe7 44. Qe3 Qe8 45. Kh2 Qa4 46. Kh3 Qc6 47. Qe4 Qa6 48. a4 Rxc5 49. Rxc5 Qf1+ 50. Kg3 g5 51. f4 g4 52. Qg2 Qd3+ 53. Kh2 Qd4 54. Ra5 Qxf4+ 55. Qg3 Qg5 56. Rb5 h4 57. Qe3 g3+ 58. Kg2 gxf2+ 59. Kxf2 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2014.??.??"]
[Round "6"]
[White "Dumjahn, Carsten"]
[Black "Sagitow, Kamil"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "2021"]
[BlackElo "1410"]
[PlyCount "53"]
[EventDate "2014.08.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d6 4. Nf3 Bg4 5. h3 Bxf3 6. Qxf3 a6 7. Bc4 Qd7 8. d3 Nc6 9. a3 Nd4 10. Qf2 b6 11. Be3 Nc6 12. 0-0 Be7 13. Nd5 0-0 14. Nxe7+ Qxe7 15. f5 Qd7 16. g4 d5 17. g5 Nxe4 18. dxe4 dxc4 19. Rad1 Qe8 20. Qe2 Rd8 21. Qxc4 Rxd1 22. Rxd1 Qa8 23. Rd7 Qb7 24. g6 b5 25. gxf7+ Kh8 26. Qd5 Na5 27. Bc5 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2014.??.??"]
[Round "2"]
[White "Dumjahn, Carsten"]
[Black "Schmidt, Roland"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2021"]
[BlackElo "1762"]
[PlyCount "58"]
[EventDate "2014.08.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. g4 Bh7 6. e6 fxe6 7. Bd3 Bxd3 8. Qxd3 Qd6 9. Nf3 Nd7 10. 0-0 0-0-0 11. Re1 g5 12. h5 Bg7 13. Qe2 Rf8 14. Nc3 Rxf3 15. Qxf3 Bxd4 16. Be3 e5 17. Rad1 Ngf6 18. Bxd4 exd4 19. Rxd4 Rf8 20. Qe2 e5 21. Rd3 Qe6 22. f3 Qf7 23. b4 Kc7 24. Kg2 d4 25. Ne4 Nd5 26. Qd2 Nf4+ 27. Kg3 Nxd3 28. cxd3 Qxf3+ 29. Kh2 Qxg4 0-1

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2014.??.??"]
[Round "3"]
[White "Hawranke, Dietrich"]
[Black "Dumjahn, Carsten"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2028"]
[BlackElo "2021"]
[PlyCount "143"]
[EventDate "2014.08.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 e6 4. Nc3 exd5 5. Nxd5 Nxd5 6. Qxd5 d6 7. e4 Nc6 8. c3 Be6 9. Qh5 g6 10. Qg5 Bg7 11. Be2 d5 12. exd5 Qxd5 13. Be3 b6 14. 0-0 0-0 15. Rfd1 Qf5 16. Qh4 Qg4 17. Qxg4 Bxg4 18. h3 Bf5 19. g4 Bc8 20. Rd6 Ne5 21. Bf4 f6 22. Rad1 Nf7 23. Bc4 Bb7 24. Ne1 Rae8 25. Rd7 Bc8 26. Rxa7 Re4 27. Bxf7+ Rxf7 28. Rxf7 Kxf7 29. Be3 f5 30. gxf5 Bxf5 31. Nf3 h6 32. Rd6 Re6 33. Rd7+ Kf8 34. Rd8+ Ke7 35. Rg8 Kf7 36. Rb8 Bxh3 37. Rb7+ Kf6 38. Nd2 Bf8 39. Nc4 g5 40. Nxb6 Bd6 41. Nd5+ Kf5 42. f3 g4 43. fxg4+ Bxg4 44. Kf2 h5 45. Rh7 Ke4 46. c4 Be5 47. Bxc5 Bxb2 48. Rf7 Be5 49. Be7 Ra6 50. a3 Bd4+ 51. Kg3 Be5+ 52. Kh4 Bb2 53. Rf4+ Ke5 54. Bf6+ Rxf6 55. Rxf6 Bxa3 56. Ra6 Bc5 57. Kg3 Be2 58. Nf4 Bg4 59. Nd3+ Kd4 60. Nxc5 Kxc5 61. Ra4 Be2 62. Kh4 Bg4 63. Kg5 Be2 64. Kh4 Bg4 65. Kg3 Kd4 66. Kf4 Be6 67. c5+ Kxc5 68. Ra5+ Kd6 69. Rxh5 Bd5 70. Rh6+ Kc5 71. Ke5 Bc4 72. Rh1 1/2-1/2

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2013.05.26"]
[Round "9"]
[White "Harder, Clemens"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "D25"]
[WhiteElo "2164"]
[BlackElo "2148"]
[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. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 b5 5. a4 b4 6. Bxc4 e6 7. 0-0 Be7 8. Nbd2 Bb7 9. Qe2 0-0 10. Rd1 c5 11. dxc5 Nbd7 12. b3 Nd5 13. Bxd5 Bxd5 14. e4 Bb7 15. c6 Bxc6 16. Nd4 Bb7 17. Nc4 Bc5 18. Bb2 Qe7 19. Na5 Nf6 20. Ndc6 Bxc6 21. Nxc6 Qc7 22. Bxf6 gxf6 23. Qb5 Bd6 24. g3 a6 25. Qc4 Rfc8 26. Rac1 Bf8 27. Qd4 Qb7 28. Na5 Qe7 29. Rxc8 Rxc8 30. Qb6 Rc2 31. Qxa6 Qc5 32. Rf1 Qd4 33. Qa8 Kg7 34. e5 fxe5 35. Qf3 Rc3 36. Qd1 Bc5 37. Kg2 Qxd1 38. Rxd1 Rc2 39. Nc4 Bxf2 40. Rd2 Rxd2 41. Nxd2 Ba7 42. Nc4 Kf6 43. Na5 Kf5 44. Nc6 Bc5 45. a5 Ke4 46. a6 Kd3 47. Nxb4+ Kd2 48. Nc6 e4 49. b4 Bb6 50. a7 Bxa7 51. Nxa7 e3 52. Nc6 e2 53. Ne5 Kc3 54. Kf2 1-0

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2013.05.25"]
[Round "8"]
[White "Dumjahn, Carsten"]
[Black "Wenzel, Birger"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2148"]
[BlackElo "2110"]
[PlyCount "113"]
[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 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. Be2 Nf6 6. Be3 Nbd7 7. 0-0 0-0 8. Qd2 Qc7 9. Bh6 e5 10. Bxg7 Kxg7 11. a4 Re8 12. Rfd1 Nf8 13. h3 Re7 14. dxe5 dxe5 15. Qg5 Ne6 16. Qe3 Nf4 17. Bc4 Be6 18. Bxe6 Nxe6 19. Rd3 Nf4 20. Rd2 a5 21. Qc5 Rae8 22. Rad1 h6 23. Rd6 Re6 24. R6d2 R6e7 25. b3 b6 26. Qc4 Re6 27. Nb5 Qb7 28. Nd6 Rxd6 29. Rxd6 c5 30. Re1 Qc7 31. Rdd1 Re7 32. Nd2 h5 33. Nb1 Ne6 34. Na3 Ne8 35. Nb5 Qb8 36. c3 Nf4 37. Rd2 g5 38. Red1 Re6 39. Rd8 Qb7 40. R8d7 Qc8 41. Na7 Qa8 42. g3 Nxh3+ 43. Kh2 Rf6 44. Kxh3 Rxf2 45. g4 hxg4+ 46. Kg3 Rf3+ 47. Kg2 Nd6 48. R7xd6 Qh8 49. Rh1 Rg3+ 50. Kxg3 Qxh1 51. Qe2 Qh4+ 52. Kg2 g3 53. Qf3 Qh2+ 54. Kf1 g2+ 55. Qxg2 Qf4+ 56. Qf2 Qc1+ 57. Kg2 1-0

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2013.05.24"]
[Round "7"]
[White "Dumjahn, Carsten"]
[Black "Kneip, Jakob"]
[Result "1/2-1/2"]
[ECO "C19"]
[WhiteElo "2148"]
[BlackElo "1939"]
[PlyCount "113"]
[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. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. h4 Qc7 8. h5 h6 9. Nf3 b6 10. Bb5+ Bd7 11. Be2 Ba4 12. Bd3 Nbc6 13. 0-0 c4 14. Be2 Kd7 15. Nh2 Qd8 16. Be3 Qg8 17. Qd2 Qh7 18. Rac1 Na5 19. f4 Rag8 20. Bf2 Ke8 21. Kh1 Nac6 22. Bf3 Nb8 23. g4 g6 24. Bh4 Nd7 25. Bxe7 Kxe7 26. hxg6 Qxg6 27. f5 Qg5 28. Qxg5+ hxg5 29. Rf2 Rh3 30. Kg2 Rgh8 31. Nf1 Rh1 32. Re2 R8h2+ 33. Kg3 Rxe2 34. Bxe2 Nf8 35. Kg2 Rh6 36. Ne3 Nd7 37. Bf3 Kf8 38. Rf1 Ke8 39. Rf2 Nb8 40. Kf1 Bc6 41. Ke1 Kd7 42. Bg2 Ke7 43. Kd2 Rh2 44. Ke2 Na6 45. Nf1 Rh4 46. Kf3 Nc7 47. Kg3 Nb5 48. Nd2 Nxc3 49. Nxc4 Nd1 50. Rd2 dxc4 51. f6+ Kd7 52. Bxc6+ Kxc6 53. Rxd1 Kd5 54. c3 Kc6 55. a4 a5 56. Rb1 Rh7 57. Rd1 1/2-1/2

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2013.05.23"]
[Round "6"]
[White "Bildat, Juergen"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2108"]
[BlackElo "2148"]
[PlyCount "109"]
[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. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. 0-0 d6 8. c3 0-0 9. a4 Be6 10. Bxe6 fxe6 11. axb5 axb5 12. Rxa8 Qxa8 13. Qb3 Qe8 14. Qxb5 Qd7 15. b4 Bb6 16. Bg5 Rb8 17. Qa6 Ne7 18. Nbd2 Ng6 19. Nc4 Qc6 20. Ra1 Nf4 21. Bxf4 exf4 22. Nxb6 Qxb6 23. Qxb6 cxb6 24. Nd4 Rc8 25. Nb5 Rc6 26. f3 e5 27. c4 Kf8 28. Ra7 Ne8 29. Rd7 Rc8 30. Nxd6 Ra8 31. h3 Nf6 32. Rf7+ Kg8 33. Rb7 Nh5 34. Kf2 Ng3 35. Ke1 h5 36. Rxb6 Ra1+ 37. Kd2 Ra2+ 38. Kd1 Rxg2 39. Rb8+ Kh7 40. Nf7 Nh1 41. Nxe5 Nf2+ 42. Kc1 Nxh3 43. c5 Ng5 44. Rf8 Ne6 45. Rf5 g6 46. Rf7+ Kg8 47. c6 h4 48. Rxf4 g5 49. Rf6 Nd4 50. Ng4 Kg7 51. c7 Rc2+ 52. Kd1 Rxc7 53. Kd2 Nc6 54. Rf5 Kg6 55. Rc5 1-0

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2013.05.22"]
[Round "5"]
[White "Dumjahn, Carsten"]
[Black "Ritscher, Jan Paul"]
[Result "0-1"]
[ECO "B05"]
[WhiteElo "2148"]
[BlackElo "2316"]
[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 Nf6 2. e5 Nd5 3. c4 Nb6 4. Nc3 d6 5. Nf3 Bg4 6. exd6 exd6 7. d4 Be7 8. Be2 0-0 9. 0-0 Nc6 10. b3 Bf6 11. Be3 d5 12. c5 Nc8 13. h3 Be6 14. Qd2 N8e7 15. Rad1 g6 16. Bf4 Bh8 17. Ne5 f6 18. Nf3 a6 19. Bd3 Qd7 20. Ne2 Bf5 21. Ng3 Be6 22. Rfe1 Bf7 23. Re2 Rfe8 24. Rde1 Nd8 25. Bb1 Ne6 26. h4 Nc6 27. a3 Bg7 28. b4 b6 29. cxb6 cxb6 30. Nf1 Bf8 31. N1h2 Ng7 32. Nf1 a5 33. Rxe8 Nxe8 34. Bh6 Bd6 35. bxa5 Nxa5 36. Qd3 Nc4 37. Bc1 Bxa3 38. h5 Bxc1 39. Rxc1 Qa4 40. Ng3 Ned6 41. Re1 Re8 42. hxg6 Rxe1+ 43. Nxe1 Bxg6 0-1

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2013.05.21"]
[Round "4"]
[White "Reddmann, Hauke"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2301"]
[BlackElo "2148"]
[PlyCount "64"]
[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. d4 d5 2. Bf4 Bf5 3. c4 Bxb1 4. Rxb1 dxc4 5. Qa4+ Nc6 6. Nf3 Qd7 7. Qxc4 Qf5 8. Qc1 e5 9. dxe5 Bb4+ 10. Bd2 0-0-0 11. a3 Bxd2+ 12. Nxd2 Nxe5 13. e4 Qd7 14. Qc3 Nf6 15. f4 Nc6 16. Bb5 Rhe8 17. Bxc6 bxc6 18. e5 Nd5 19. Qd4 g5 20. Qxa7 Nb6 21. Qa6+ Kb8 22. Qe2 Nd5 23. g3 gxf4 24. Nf3 f6 25. 0-0 fxg3 26. hxg3 Qg4 27. Rbe1 Nf4 28. Qh2 fxe5 29. Nxe5 Rxe5 30. Rxe5 Rd3 31. Kh1 Rxg3 32. Re4 Rg1+ 0-1

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2013.05.19"]
[Round "2"]
[White "Dumjahn, Carsten"]
[Black "Jacoby, Gisbert"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2148"]
[BlackElo "2180"]
[PlyCount "64"]
[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 d6 3. Bc4 Nf6 4. Qe2 Nc6 5. c3 Bg4 6. h3 Bh5 7. d3 e6 8. Bb3 Be7 9. 0-0 0-0 10. Be3 d5 11. Nbd2 a6 12. g4 Bg6 13. Nh4 b5 14. Nxg6 hxg6 15. Rad1 d4 16. cxd4 cxd4 17. Bg5 Nd7 18. Bxe7 Qxe7 19. a3 g5 20. Nf3 Nde5 21. Nxe5 Nxe5 22. Kg2 Ng6 23. Qd2 Nf4+ 24. Kg3 Qf6 25. Rh1 Ng6 26. Rhf1 Qe5+ 27. Kf3 Rac8 28. Rc1 Qf6+ 29. Kg3 Qe5+ 30. Kf3 f5 31. gxf5 Rxf5+ 32. Kg2 Nh4+ 0-1

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2013.05.19"]
[Round "3"]
[White "Schulz, Hans Juergen"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1956"]
[BlackElo "2148"]
[PlyCount "64"]
[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. d4 d5 2. c4 c6 3. Nc3 dxc4 4. a4 e5 5. e3 exd4 6. exd4 Be6 7. Nf3 Nf6 8. Be2 Bb4 9. 0-0 0-0 10. Bg5 Nbd7 11. Qc1 Qa5 12. Bxf6 Nxf6 13. Nd1 Bd5 14. Ne5 Ne4 15. Ne3 c3 16. Bd3 cxb2 17. Qxb2 Bc3 18. Qc2 Bxa1 19. Bxe4 Bxd4 20. Bxh7+ Kh8 21. Qf5 Bxe5 22. Qh5 Bf4 23. Bd3+ Bh6 24. Qf5 g6 25. Qh3 Kg7 26. Nf5+ gxf5 27. Qxf5 Rh8 28. Qe5+ f6 29. Qf5 Qc3 30. Qg4+ Bg5 31. Qg3 Qd4 32. Qc7+ Bf7 0-1

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2013.05.18"]
[Round "1"]
[White "Becker Bertau, Friedrich"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "D16"]
[WhiteElo "1955"]
[BlackElo "2148"]
[PlyCount "80"]
[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. d4 d5 2. c4 c6 3. Nc3 dxc4 4. a4 Nf6 5. Nf3 Na6 6. e4 Bg4 7. Be2 Qa5 8. 0-0 Rd8 9. e5 Nd5 10. Ne4 e6 11. Bxc4 Be7 12. h3 Bf5 13. Ng3 Bg6 14. h4 h6 15. h5 Bh7 16. Bd2 Nab4 17. Be1 0-0 18. Bd2 Qb6 19. a5 Qc7 20. Ra3 c5 21. Ba2 Nc2 22. Rb3 c4 23. Rc3 Nxc3 24. bxc3 Na3 25. Re1 Qxa5 26. Re4 Bxe4 27. Nxe4 f5 28. exf6 Bxf6 29. Qc1 Be7 30. Ng3 Rxf3 31. gxf3 Rf8 32. f4 Qd5 33. Qe1 Bd6 34. Bc1 b5 35. Bxa3 Bxa3 36. Bb1 Rxf4 37. Be4 Qg5 38. Bg6 Rf6 39. Qe4 Qd5 40. Qg4 Qf3 0-1

[Event "Bayern-chI Bank Hofmann 16th"]
[Site "Bad Wiessee"]
[Date "2012.11.02"]
[Round "7"]
[White "Dumjahn, Carsten"]
[Black "Gawehns, Klaus"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "2139"]
[BlackElo "2380"]
[PlyCount "34"]
[EventDate "2012.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. Qg4 Nf6 7. Qxg7 Rg8 8. Qh6 Nbd7 9. Ne2 b6 10. Bg5 Qe7 11. Ng3 Ng4 12. Bxe7 Nxh6 13. Bh4 Rg4 14. Be2 Rxh4 15. Nh5 Ng4 16. Nf4 Nxf2 17. Kxf2 Rxf4+ 0-1

[Event "Bargteheide op"]
[Site "Bargteheide"]
[Date "2012.05.20"]
[Round "7"]
[White "Kollars, Dmitrij"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2005"]
[BlackElo "2118"]
[PlyCount "68"]
[EventDate "2012.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. Nd2 g6 10. Nf3 Qb4+ 11. Kd1 Bg7 12. Qd2 Qxd2+ 13. Bxd2 Nb6 14. Rc1 0-0 15. b3 Rfe8 16. Bf4 c5 17. Bd3 d5 18. exd6 cxd6 19. Kc2 d5 20. Nd2 dxc4 21. Nxc4 Nd5 22. Bd2 Nb4+ 23. Bxb4 cxb4 24. Rhd1 Bh6 25. Ra1 Rad8 26. a3 Bc8 27. axb4 Bf5 28. Ne3 Bxe3 29. Bxf5 Bd4 30. Bd3 Bxa1 31. Rxa1 Re7 32. Rd1 Red7 33. Be2 Rxd1 34. Bxd1 Kg7 0-1

[Event "Bargteheide op"]
[Site "Bargteheide"]
[Date "2012.05.19"]
[Round "5"]
[White "Schmidt, Harald"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2368"]
[BlackElo "2118"]
[PlyCount "55"]
[EventDate "2012.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. cxd5 cxd5 4. g3 Nf6 5. Bg2 Bg4 6. Ne5 Bh5 7. Nc3 e6 8. Qa4+ Nbd7 9. g4 Bg6 10. h4 Bc2 11. Qxc2 Nxe5 12. g5 Nfd7 13. d4 Nc6 14. Qd1 Qb6 15. e3 h6 16. Bd2 hxg5 17. hxg5 Rxh1+ 18. Bxh1 Nb4 19. Kf1 Be7 20. Bf3 Bxg5 21. Rc1 Nc6 22. b4 Nxb4 23. Rb1 Qa6+ 24. Kg2 Nc6 25. Nb5 Bd8 26. Be2 Qxa2 27. Ra1 Qb2 28. Bc3 1-0

[Event "Bargteheide op"]
[Site "Bargteheide"]
[Date "2012.05.18"]
[Round "3"]
[White "Dumjahn, Carsten"]
[Black "Kopylov, Michael"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2118"]
[BlackElo "2471"]
[PlyCount "22"]
[EventDate "2012.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c3 b6 4. Bg5 Ne4 5. Bh4 Bb7 6. Nbd2 Nd6 7. Qb3 Nc6 8. dxc5 bxc5 9. e4 Rb8 10. Bg3 e6 11. Qc2 Rc8 1/2-1/2

[Event "Bargteheide op"]
[Site "Bargteheide"]
[Date "2012.05.18"]
[Round "4"]
[White "Zumsande, Martin"]
[Black "Dumjahn, Carsten"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2420"]
[BlackElo "2118"]
[PlyCount "96"]
[EventDate "2012.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 g6 10. f4 d6 11. Qe4 f5 12. Qf3 Nb4 13. Bb2 Bg7 14. a3 Nc2+ 15. Kd1 Nxa1 16. Qxc6+ Kf7 17. e6+ Qxe6 18. Qxc7+ Qe7 19. Qxe7+ Kxe7 20. Bxg7 Nxb3 21. Bxh8 Rxh8 22. Kc2 Nd4+ 23. Kc3 Ne6 24. g3 Rc8 25. Nd2 d5 26. Bd3 Nc5 27. Re1+ Kf6 28. Re5 Nxd3 29. Kxd3 Bxc4+ 30. Nxc4 Rxc4 31. Rxd5 Ra4 32. Rd7 Rxa3+ 33. Kc4 h5 34. Rd6+ Kf7 35. Rd2 h4 36. gxh4 Ra4+ 37. Kd5 Rxf4 38. h5 gxh5 39. Ke5 Rf1 40. Ra2 Kg6 41. Rg2+ Kf7 42. Ra2 a5 43. h4 f4 44. Rxa5 f3 45. Kf4 f2 46. Ra2 Ke6 47. Kg3 Rg1+ 48. Kxf2 Rg4 1/2-1/2

[Event "Bayern-chI Bank Hofmann 15th"]
[Site "Bad Wiessee"]
[Date "2011.10.30"]
[Round "2"]
[White "Dumjahn, Carsten"]
[Black "Jakubiec, Artur"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "2118"]
[BlackElo "2528"]
[PlyCount "68"]
[EventDate "2011.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 h6 3. Bh4 g5 4. e3 Nf6 5. Bg3 e6 6. Nc3 Bb4 7. Bd3 Bxc3+ 8. bxc3 d6 9. f3 Qe7 10. e4 f4 11. Bf2 e5 12. dxe5 dxe5 13. Qb1 Nc6 14. Qb5 a6 15. Qc5 Qxc5 16. Bxc5 Be6 17. a4 Nd7 18. Ba3 h5 19. Ne2 0-0-0 20. Kf2 g4 21. Rhb1 Rhg8 22. Ng1 Rg7 23. h3 gxh3 24. Nxh3 Nb6 25. Bc5 Nc4 26. Rg1 b6 27. Ba3 Rdg8 28. Bxc4 Bxc4 29. Rad1 Be6 30. Bb2 Na5 31. c4 Nxc4 32. Ba1 Ne3 33. Nxf4 Nxd1+ 34. Rxd1 exf4 0-1

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2011.10.09"]
[Round "9.6"]
[White "Colpe, Malte"]
[Black "Dumjahn, Carsten"]
[Result "1/2-1/2"]
[ECO "D16"]
[WhiteElo "2245"]
[BlackElo "2118"]
[PlyCount "39"]
[EventDate "2011.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Na6 6. e4 Bg4 7. Bxc4 Bxf3 8. gxf3 Nb4 9. Be3 e6 10. f4 Qa5 11. 0-0 0-0-0 12. Qe2 h6 13. Rfd1 Qh5 14. Qxh5 Nxh5 15. f5 exf5 16. Bxf7 f4 17. Bxh5 fxe3 18. fxe3 Nc2 19. Rac1 Nxe3 20. Rd3 1/2-1/2

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2011.10.08"]
[Round "8.4"]
[White "Ritscher, Jan Paul"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2286"]
[BlackElo "2118"]
[PlyCount "65"]
[EventDate "2011.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 6. a3 Nbd7 7. Be2 e6 8. 0-0 Be7 9. d5 Qc7 10. dxc6 Qxc6 11. Nd4 Qb6 12. Ndxb5 0-0 13. Bxc4 Ne5 14. Be2 Rd8 15. Qc2 a6 16. Na4 Qa5 17. b4 Bxb4 18. axb4 Qxb4 19. Nbc3 Bd7 20. Bf4 Ng6 21. Rfb1 Qd4 22. Be3 Qe5 23. Nb6 Rac8 24. Nxc8 Rxc8 25. Rc1 Bb5 26. Bxb5 Ng4 27. h3 Qh2+ 28. Kf1 Nh4 29. hxg4 Qxg2+ 30. Ke2 Qxg4+ 31. Kd3 f5 32. Qe2 fxe4+ 33. Kc2 1-0

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2011.10.07"]
[Round "7.3"]
[White "Dumjahn, Carsten"]
[Black "Schroeder, Christoph"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "2118"]
[BlackElo "2220"]
[PlyCount "62"]
[EventDate "2011.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. 0-0 e6 5. c4 c6 6. d3 Be7 7. b3 h6 8. Bb2 0-0 9. Nbd2 Nbd7 10. Rc1 Bh7 11. cxd5 exd5 12. Re1 Re8 13. e4 dxe4 14. dxe4 Bc5 15. Nh4 Qe7 16. Nf5 Bxf5 17. exf5 Qxe1+ 18. Qxe1 Rxe1+ 19. Rxe1 Re8 20. Rxe8+ Nxe8 21. Ne4 Be7 22. f4 Nd6 23. Nxd6 Bxd6 24. Kf2 Kf8 25. Kf3 Nb6 26. Bd4 c5 27. Bb2 Nd7 28. Kg4 b6 29. Bc6 Nb8 30. Bb7 Nd7 31. Bc6 Nb8 1/2-1/2

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2011.10.06"]
[Round "6.1"]
[White "Reddmann, Hauke"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2338"]
[BlackElo "2118"]
[PlyCount "37"]
[EventDate "2011.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d6 2. Bf4 Nf6 3. Nc3 Nbd7 4. Nf3 c6 5. e4 Qa5 6. e5 dxe5 7. Nxe5 Nxe5 8. Bxe5 Ne4 9. Bd3 Bf5 10. Qf3 Nxc3 11. Bxf5 Na4+ 12. c3 Nxb2 13. Rb1 Qa3 14. 0-0 e6 15. Be4 Rc8 16. Qe2 Na4 17. Rxb7 Nxc3 18. Qf3 Nxe4 19. Qxf7+ 1-0

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2011.10.05"]
[Round "5.4"]
[White "Dumjahn, Carsten"]
[Black "Weiss, Siegfried"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2118"]
[BlackElo "2061"]
[PlyCount "25"]
[EventDate "2011.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ndf3 Be7 8. a3 c4 9. Bc2 Nb6 10. Nh3 Bd7 11. Nfg5 h6 12. Qh5 g6 13. Bxg6 1-0

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2011.10.04"]
[Round "4.3"]
[White "Dumjahn, Carsten"]
[Black "Lampert, Jonas"]
[Result "1/2-1/2"]
[ECO "D01"]
[WhiteElo "2118"]
[BlackElo "2188"]
[PlyCount "146"]
[EventDate "2011.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bg5 Bf5 4. Bxf6 exf6 5. e3 c6 6. Bd3 Bxd3 7. Qxd3 Be7 8. Nf3 Nd7 9. e4 dxe4 10. Nxe4 0-0 11. 0-0 Qc7 12. c4 Rad8 13. Qc2 Rfe8 14. Rad1 g6 15. Rfe1 f5 16. Nc3 Nf6 17. a3 a6 18. Qa4 b5 19. cxb5 axb5 20. Qb3 Nd5 21. Rc1 Qb6 22. Ne5 Bg5 23. Nxd5 Rxd5 24. Rc5 Qb7 25. Qc3 Rxc5 26. Qxc5 Re6 27. Rd1 Qe7 28. Qxe7 Bxe7 29. Kf1 c5 30. Nf3 Bf6 31. dxc5 Bxb2 32. Nd4 Bxd4 33. Rxd4 Rc6 34. Rd5 Kg7 35. Ke2 Kf6 36. Ke3 Ra6 37. Rd3 Ke6 38. Kd4 Ra4+ 39. Ke3 Rc4 40. Rd6+ Ke7 41. Rb6 Rxc5 42. Kd4 Rc2 43. Ke3 Rc3+ 44. Kd2 Rb3 45. Kc2 Rxa3 46. Rxb5 Ra1 47. Rb1 Rxb1 48. Kxb1 Ke6 49. Kc2 Ke5 50. Kd3 f4 51. f3 g5 52. Kc4 g4 53. Kd3 gxf3 54. gxf3 Kf5 55. Ke2 f6 56. Kd3 Kg5 57. Ke2 h6 58. Kf2 Kf5 59. Ke2 Ke5 60. Kd3 Kd5 61. Kc3 Ke5 62. Kd3 Kf5 63. Ke2 Kg5 64. Kf2 Kh4 65. Kg2 f5 66. Kf2 Kh3 67. Kg1 Kh4 68. Kg2 Kg5 69. Kf2 h5 70. Kf1 Kf6 71. Ke2 Kg6 72. Kf2 Kg5 73. Kf1 h4 1/2-1/2

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2011.10.03"]
[Round "3.2"]
[White "Hochgraefe, Markus"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "2345"]
[BlackElo "2118"]
[PlyCount "61"]
[EventDate "2011.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. e4 e5 4. Nf3 d6 5. d4 Nbd7 6. Be2 Be7 7. 0-0 0-0 8. Re1 Qc7 9. Rb1 a5 10. Bf1 Re8 11. b3 b6 12. Bb2 Ba6 13. d5 cxd5 14. cxd5 Bxf1 15. Kxf1 Nc5 16. Qe2 Nh5 17. g3 Qd7 18. Ng1 g6 19. Bc1 Rf8 20. Bh6 Ng7 21. Kg2 f5 22. f3 Rf7 23. a3 fxe4 24. fxe4 Raf8 25. Be3 Nh5 26. b4 Nf4+ 27. Bxf4 exf4 28. bxc5 f3+ 29. Nxf3 Rxf3 30. c6 Qg4 31. Rf1 1-0

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2011.10.01"]
[Round "2.3"]
[White "Dumjahn, Carsten"]
[Black "Gupta, Arijit"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2118"]
[BlackElo "2030"]
[PlyCount "61"]
[EventDate "2011.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 c5 2. dxc5 e6 3. Nc3 Nf6 4. Bg5 Bxc5 5. e3 d5 6. Nf3 Nc6 7. Bd3 0-0 8. 0-0 Qe7 9. a3 Rd8 10. Qe2 h6 11. Bh4 g5 12. Nxg5 hxg5 13. Bxg5 e5 14. e4 Nd4 15. Qd1 Qd6 16. Nxd5 Nxd5 17. Bxd8 Nf4 18. Bh4 Qg6 19. Bg3 Bg4 20. Qb1 Nxg2 21. b4 Nh4 22. bxc5 Bh3 23. f3 Qg5 24. Qc1 Ndxf3+ 25. Rxf3 Nxf3+ 26. Kh1 Qg4 27. Qe3 Nh4 28. Rg1 Nf3 29. Be2 Bg2+ 30. Rxg2 Rd8 31. Qxf3 1-0

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2011.09.30"]
[Round "1.8"]
[White "Goepfert, Jakob"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2014"]
[BlackElo "2118"]
[PlyCount "54"]
[EventDate "2011.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Bf5 5. g3 Qb6 6. Nc3 dxc4 7. Na4 Qa6 8. bxc4 Qxc4 9. d3 Qb4+ 10. Bc3 Qd6 11. Rb1 b5 12. Be5 Qd8 13. Nc3 Nfd7 14. Bf4 b4 15. Na4 e5 16. Bxe5 Nxe5 17. Nxe5 b3 18. Qxb3 Qa5+ 19. Kd1 Qxe5 20. Qb7 Qa5 21. Nc3 Bd6 22. Qxa8 0-0 23. Rc1 Bb4 24. Kd2 Qxa2+ 25. Rc2 Bxc3+ 26. Kxc3 Qa5+ 27. Kb2 Na6 0-1

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2011.09.29"]
[Round "7"]
[White "Dumjahn, Carsten"]
[Black "Kurzynsky, Mirko"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2118"]
[BlackElo "1991"]
[PlyCount "85"]
[EventDate "2011.08.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. Be2 Nbd7 7. Ne5 c6 8. h4 Ne4 9. Nxe4 dxe4 10. Nxd7 Bxd7 11. c3 Qb6 12. Qc2 c5 13. 0-0 cxd4 14. cxd4 Rac8 15. Qxe4 Bf5 16. Qxe7 Rfe8 17. Qd6 Qxb2 18. Bf3 Bd3 19. Rfe1 Bf8 20. Qd7 Bb4 21. Bd5 Rf8 22. Bxf7+ Rxf7 23. Qxc8+ Kg7 24. Qc1 Bc3 25. Qxb2 Bxb2 26. Rab1 Bc3 27. Rb3 Bxe1 28. Rxd3 h6 29. Kf1 Bb4 30. Ke2 Be7 31. Be5+ Kf8 32. g3 Ke8 33. Rc3 Bd8 34. f4 g5 35. fxg5 hxg5 36. h5 g4 37. h6 Kd7 38. Rc1 Ke6 39. Bg7 Bf6 40. Bxf6 Rxf6 41. h7 Rh6 42. Rc7 b5 43. Rc6+ 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2011.09.22"]
[Round "6"]
[White "Winter, Markus"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "D16"]
[WhiteElo "1954"]
[BlackElo "2118"]
[PlyCount "96"]
[EventDate "2011.08.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Na6 6. e3 Be6 7. Ne5 g6 8. Bxc4 Bxc4 9. Nxc4 Bg7 10. 0-0 0-0 11. Qe2 Nb4 12. Rd1 Nfd5 13. e4 Nb6 14. Ne5 Nd7 15. Bf4 Nxe5 16. Bxe5 Bxe5 17. dxe5 Qc8 18. Qc4 a5 19. Rd2 b6 20. Rad1 Qe6 21. Qxe6 fxe6 22. Ne2 Ra7 23. f3 Kf7 24. Rd7 Rxd7 25. Rxd7 Rb8 26. Nd4 b5 27. axb5 cxb5 28. f4 Rb6 29. f5 gxf5 30. exf5 exf5 31. e6+ Kf6 32. Kf1 Nc6 33. Nb3 Kxe6 34. Nc5+ Kf6 35. Rc7 Ne5 36. Nb3 a4 37. Nd4 Nc4 38. b3 Nd2+ 39. Ke2 Nxb3 40. Nxb3 axb3 41. Rc3 b2 42. Rb3 b4 43. Rxb2 b3 44. Kf3 Rb4 45. h3 h5 46. g3 e5 47. Ke3 Ke6 48. Kf3 Kd5 0-1

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2011.09.15"]
[Round "5"]
[White "Dumjahn, Carsten"]
[Black "Ehrlich, Sven"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2118"]
[BlackElo "1915"]
[PlyCount "78"]
[EventDate "2011.08.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. Qa4+ c6 5. cxd5 Nxd5 6. Nxd5 Qxd5 7. e4 Qd8 8. d4 Bg7 9. Be3 0-0 10. Be2 Nd7 11. 0-0 e5 12. Rfd1 Nb6 13. Qa3 Bg4 14. dxe5 Qb8 15. Bc5 Bxf3 16. Qxf3 Bxe5 17. Bxf8 Qxf8 18. Rab1 Na4 19. g3 Nc5 20. Bc4 b5 21. Bb3 a5 22. Rbc1 Nxb3 23. Qxb3 c5 24. Qxb5 Bd4 25. b3 h5 26. Qb6 Qe7 27. Rxd4 cxd4 28. Qxd4 Rd8 29. Qe3 h4 30. Kg2 Qd7 31. h3 hxg3 32. Kxg3 Qd6+ 33. Kg2 Re8 34. Re1 Rc8 35. e5 Qd5+ 36. Qe4 Qe6 37. Rd1 Rc3 38. Rd8+ Kg7 39. Qh4 Qc6+ 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2011.09.08"]
[Round "4"]
[White "Wolff, Stefan"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "1989"]
[BlackElo "2118"]
[PlyCount "75"]
[EventDate "2011.08.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. c4 c6 2. e4 e5 3. Nf3 d6 4. d4 Nd7 5. Nc3 Ngf6 6. Bg5 Be7 7. h3 0-0 8. Be2 exd4 9. Qxd4 Nc5 10. Bf4 Ne6 11. Qd2 Nxf4 12. Qxf4 Qb6 13. Rb1 Re8 14. 0-0 Be6 15. b4 Rad8 16. c5 dxc5 17. Na4 Bd6 18. e5 Nd5 19. Qc1 Qc7 20. exd6 Qxd6 21. bxc5 Qc7 22. Re1 Bf5 23. Rb3 Qf4 24. Qxf4 Nxf4 25. Re3 Rxe3 26. fxe3 Nd5 27. Bc4 Bc2 28. Bb3 Nb4 29. Nd4 Bg6 30. Nb2 Kf8 31. Kf2 b6 32. Rc1 Be4 33. Rc4 Na6 34. cxb6 axb6 35. Kg3 c5 36. Ne6+ fxe6 37. Rxe4 Rd2 38. Nc4 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2011.09.01"]
[Round "3"]
[White "Dumjahn, Carsten"]
[Black "Atri, Jamshid"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2118"]
[BlackElo "2048"]
[PlyCount "134"]
[EventDate "2011.08.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e5 3. Bc4 Nf6 4. 0-0 Nxe4 5. Qe2 d5 6. Bb5 a6 7. Bxc6+ bxc6 8. d3 Nf6 9. Nxe5 Qe7 10. Re1 c5 11. Bg5 h6 12. Qd2 Be6 13. Bxf6 gxf6 14. Nf3 Qd6 15. d4 c4 16. b3 cxb3 17. axb3 Bg7 18. Nc3 0-0 19. Ra5 Rfb8 20. Rea1 Rb6 21. Qd3 f5 22. Na4 Rc6 23. Nc5 Bc8 24. b4 Rb8 25. c3 Rbb6 26. Re1 Be6 27. Ne5 Bxe5 28. Rxe5 Kg7 29. Ra1 Rb5 30. Rae1 Rb8 31. Qg3+ Kh7 32. Qh4 Rg8 33. Nxe6 fxe6 34. Qf6 Rg6 35. Qf7+ Rg7 36. Qxe6 Qxe6 37. Rxe6 Rxc3 38. Rxa6 Rc4 39. Rd1 Rxb4 40. Rc6 Rb6 41. Rc5 c6 42. Kf1 Re7 43. g3 Kg7 44. h4 f4 45. Kg2 fxg3 46. Kxg3 Kf6 47. Rdc1 Re6 48. R1c3 Kg6 49. Re3 Rf6 50. Rc1 Rb4 51. Rd1 Rc4 52. Rdd3 Rc2 53. f3 Rc4 54. Re5 h5 55. Rg5+ Kh6 56. f4 Re6 57. f5 Re4 58. f6 Re8 59. f7 Rf8 60. Rf3 Rxd4 61. Rf6+ Kh7 62. Rxh5+ Kg7 63. Rhf5 Re4 64. h5 Re7 65. Rxc6 Rexf7 66. Rg6+ Kh7 67. Rxd5 Rg7 1/2-1/2

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2011.08.25"]
[Round "2"]
[White "Kaland, Joachim"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "C60"]
[WhiteElo "1557"]
[BlackElo "2118"]
[PlyCount "62"]
[EventDate "2011.08.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. c3 g6 5. d4 exd4 6. cxd4 a6 7. Ba4 b5 8. Bc2 Bg7 9. 0-0 d6 10. h3 0-0 11. Be3 Bb7 12. Qd2 a5 13. Bh6 Nb4 14. Bxg7 Kxg7 15. Nc3 Nxc2 16. Qxc2 b4 17. Ne2 Qd7 18. Ng3 Rac8 19. Rac1 c5 20. Qd2 Qe6 21. d5 Qf6 22. h4 c4 23. Nd4 Qxh4 24. Qe3 Kg8 25. f4 f5 26. exf5 Nxd5 27. Qe6+ Kg7 28. fxg6 hxg6 29. Qxd6 Qxg3 30. Ne6+ Kg8 31. Nxf8 Nxf4 0-1

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2011.08.18"]
[Round "1"]
[White "Dumjahn, Carsten"]
[Black "Grothkopp, Dietrich"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2118"]
[BlackElo "1711"]
[PlyCount "105"]
[EventDate "2011.08.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 g6 3. e4 d6 4. h3 Bg7 5. Be3 0-0 6. Nf3 b6 7. Bc4 Bb7 8. Qd3 Nbd7 9. e5 d5 10. Bb3 Ne8 11. Bxd5 Bxd5 12. Nxd5 c5 13. 0-0 e6 14. Nc3 Qe7 15. Bg5 f6 16. exf6 Bxf6 17. Bxf6 Qxf6 18. Rae1 Nc7 19. d5 exd5 20. Nxd5 Nxd5 21. Qxd5+ Qf7 22. Qd6 Nf6 23. Ng5 Qd5 24. Qxd5+ Nxd5 25. Re5 Nb4 26. c3 Nd3 27. Re2 Rae8 28. Rd2 c4 29. Nf3 b5 30. b3 Rf6 31. Nd4 a6 32. a4 bxa4 33. bxc4 Nc5 34. Nc2 Rfe6 35. Nd4 Re4 36. Kh2 a5 37. Rb1 Nb3 38. Nxb3 axb3 39. Rxb3 Rxc4 40. Rd7 Rec8 41. Rbb7 R4c6 42. Rg7+ Kf8 43. Rxh7 Kg8 44. Rbg7+ Kf8 45. Ra7 Kg8 46. Rhg7+ Kf8 47. Rgf7+ Kg8 48. Rf4 Rxc3 49. Rxa5 Kg7 50. Ra7+ R8c7 51. Rxc7+ Rxc7 52. h4 Rc2 53. g4 1-0

[Event "Hamburg-chT Landesliga 1011"]
[Site "Hamburg"]
[Date "2011.04.17"]
[Round "9.3"]
[White "Martin Sommerfeldt, Luis"]
[Black "Dumjahn, Carsten"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2039"]
[BlackElo "2119"]
[PlyCount "120"]
[EventDate "2010.10.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "St Pauli II"]
[BlackTeam "Eidelstedt"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. b3 d6 3. d4 c5 4. e3 g6 5. Bb2 Bg7 6. Be2 0-0 7. 0-0 Bf5 8. Nbd2 Nc6 9. a3 cxd4 10. exd4 Nd5 11. Re1 Qa5 12. Nc4 Qc7 13. h3 b5 14. Ncd2 b4 15. g4 Bd7 16. axb4 Ncxb4 17. Nc4 Nf4 18. Bf1 Bc6 19. Nh2 Rab8 20. c3 Nbd5 21. Nd2 Ba8 22. c4 Nb4 23. Re3 Ne6 24. Ndf3 Qb7 25. Rb1 Bh6 26. d5 Bxe3 27. fxe3 Nxd5 28. cxd5 Qxd5 29. Qxd5 Bxd5 30. Nd2 Nc5 31. Bd4 Nxb3 32. Nxb3 Rxb3 33. Rxb3 Bxb3 34. Bxa7 Ra8 35. Bd4 Rc8 36. g5 Rc1 37. Kf2 Rc2+ 38. Kg3 Bc4 39. Bg2 e5 40. Bb6 h5 41. h4 f5 42. gxf6 Kf7 43. Bd8 Rc3 44. Kf2 Rc2+ 45. Kg3 Rc3 46. Nf3 Rxe3 47. Kf2 Re2+ 48. Kg1 Ke8 49. Be7 e4 50. Ng5 d5 51. Bc5 d4 52. Bxd4 e3 53. Bc5 Re1+ 54. Kh2 e2 55. Bc6+ Kd8 56. Bb6+ Kc8 57. Bf2 Rf1 58. Kg2 e1Q 59. Bxe1 Rxe1 60. f7 Bxf7 1/2-1/2

[Event "Hamburg-chT Landesliga 1011"]
[Site "Hamburg"]
[Date "2011.04.16"]
[Round "8.3"]
[White "Dumjahn, Carsten"]
[Black "Stelting, Thorsten"]
[Result "0-1"]
[ECO "C40"]
[WhiteElo "2119"]
[BlackElo "2248"]
[PlyCount "56"]
[EventDate "2010.10.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Eidelstedt"]
[BlackTeam "St Pauli"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 f5 2. d3 Nc6 3. e4 e5 4. Nc3 Bb4 5. Bg5 Nf6 6. exf5 d5 7. d4 exd4 8. Nxd4 0-0 9. Nxc6 bxc6 10. Bd3 h6 11. Bd2 c5 12. b3 c4 13. bxc4 Bxc3 14. Bxc3 d4 15. Ba5 Qe7+ 16. Kf1 Rb8 17. Qd2 Ne4 18. Bxe4 Qxe4 19. Bxc7 Rb2 20. f3 Qxf5 21. Qd3 Qc5 22. Bg3 Bf5 23. Qe2 Rxc2 24. Qe5 Qxc4+ 25. Kg1 Re2 26. Qc7 Qxc7 27. Bxc7 Rc8 28. Kf1 Bd3 0-1

[Event "Hamburg CupT"]
[Site "Hamburg"]
[Date "2011.02.12"]
[Round "1.1"]
[White "Dumjahn, Carsten"]
[Black "Knecht, Guntram"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2119"]
[BlackElo "2119"]
[PlyCount "124"]
[EventDate "2011.02.12"]
[EventType "team-k.o."]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Eidelstedt"]
[BlackTeam "St Pauli"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 f5 2. e4 fxe4 3. Ng5 Nc6 4. d3 e3 5. Bxe3 e5 6. Be2 Be7 7. h4 Nf6 8. Nc3 d5 9. d4 0-0 10. dxe5 Nxe5 11. Bd4 Nf7 12. Qd3 Nxg5 13. Bxf6 Bxf6 14. hxg5 Bxc3+ 15. bxc3 Bf5 16. Qd2 Qd6 17. 0-0 Rae8 18. Rad1 Qc5 19. Bd3 Re5 20. Rfe1 Be4 21. Bxe4 dxe4 22. Qd4 Qe7 23. Re2 b6 24. Rde1 Re8 25. f4 Re6 26. Qc4 Kf8 27. f5 Re5 28. g6 hxg6 29. fxg6 Qc5+ 30. Qd4 Qxd4+ 31. cxd4 R5e6 32. Rf1+ Rf6 33. Ref2 Ree6 34. Re2 Rxf1+ 35. Kxf1 Ke7 36. Kf2 Kf6 37. Ke3 Kxg6 38. Rf2 Kg5 39. Rf4 Rc6 40. Rf2 a5 41. Kxe4 Rc3 42. Kd5 Kg4 43. Re2 g5 44. a4 Kg3 45. Re6 Rxc2 46. Rc6 Rxg2 47. Rxc7 Ra2 48. Rc4 Kf2 49. Kc6 g4 50. d5 g3 51. d6 g2 52. d7 Rd2 53. Rg4 g1Q 54. Rxg1 Kxg1 55. Kc7 b5 56. axb5 a4 57. d8Q Rxd8 58. Kxd8 a3 59. b6 a2 60. b7 a1Q 61. b8Q Qh8+ 62. Kc7 Qxb8+ 1/2-1/2

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2010.10.07"]
[Round "7"]
[White "Dumjahn, Carsten"]
[Black "Soltau, Achim"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "2119"]
[BlackElo "2006"]
[PlyCount "101"]
[EventDate "2010.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nf6 5. a3 Nc6 6. Rb1 a5 7. Nf3 0-0 8. 0-0 d5 9. cxd5 Nxd5 10. Nxd5 Qxd5 11. d3 Qd6 12. Qa4 Rb8 13. Qh4 Nd4 14. Nxd4 cxd4 15. Bd2 Bf6 16. Bg5 Bxg5 17. Qxg5 e5 18. b4 axb4 19. Rxb4 b6 20. Rfb1 Kg7 21. Qc1 Bg4 22. h3 Rfc8 23. Qb2 Be6 24. f4 Rc3 25. Rxb6 Rxb6 26. Qxb6 Qxb6 27. Rxb6 exf4 28. gxf4 Rxa3 29. Rb4 Ra2 30. Kf2 h6 31. Rxd4 g5 32. fxg5 hxg5 33. h4 g4 34. Bd5 g3+ 35. Kxg3 Rxe2 36. Bxe6 fxe6 37. Kf3 Rh2 38. Kg4 Rg2+ 39. Kh5 Kf6 40. Rg4 Rd2 41. Rg3 Rf2 42. Kg4 Kg6 43. Re3 Rg2+ 44. Kh3 Rd2 45. Rxe6+ Kf5 46. Rd6 Ke5 47. Rd8 Kf4 48. Rf8+ Ke3 49. Kg3 Rd1 50. Rf3+ Ke2 51. Kg4 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2010.09.30"]
[Round "6"]
[White "Henrich, Holger"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2190"]
[BlackElo "2119"]
[PlyCount "103"]
[EventDate "2010.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 0-0 6. a3 Nbd7 7. Nb5 Ne8 8. e3 dxc4 9. Bxc4 Nd6 10. Nxd6 cxd6 11. 0-0 Nb6 12. Bd3 Bd7 13. e4 Rc8 14. Qe2 f6 15. Bd2 e5 16. h3 Qe8 17. Rfe1 Qf7 18. Ba5 Nc4 19. Bb4 a5 20. Bxc4 Rxc4 21. Bxa5 Rfc8 22. Bc3 Bd8 23. Nd2 Ra4 24. d5 Ba5 25. Bxa5 Rxa5 26. Nc4 Ra6 27. Rac1 Qg6 28. Qf3 f5 29. exf5 Bxf5 30. Ne3 Rf8 31. Nxf5 Qxf5 32. Qxf5 Rxf5 33. Rc7 Rf7 34. Rec1 Rb6 35. b4 Rb5 36. Kf1 Rxd5 37. Rxf7 Kxf7 38. Rc7+ Kf6 39. Rxb7 Rd1+ 40. Ke2 Ra1 41. Ra7 d5 42. b5 Rb1 43. a4 Rb2+ 44. Kd3 Rb3+ 45. Kd2 Rb2+ 46. Kc3 Rxf2 47. b6 d4+ 48. Kd3 Rxg2 49. b7 Rb2 50. a5 Rb3+ 51. Kc2 Rb5 52. Ra6+ 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2010.09.23"]
[Round "5"]
[White "Dumjahn, Carsten"]
[Black "Winter, Markus"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2119"]
[BlackElo "1917"]
[PlyCount "50"]
[EventDate "2010.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[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. Bg5 Bg7 5. Bd3 0-0 6. f4 h6 7. Bh4 c5 8. d5 a6 9. a4 Qb6 10. Nge2 Ng4 11. Qd2 Nd7 12. a5 Qc7 13. h3 Ngf6 14. b3 b5 15. axb6 Nxb6 16. 0-0 c4 17. bxc4 Nxc4 18. Bxc4 Qxc4 19. Ra4 Qc7 20. Bf2 Bd7 21. Ra2 Rfc8 22. Bd4 Qc4 23. Rfa1 Nh5 24. Bxg7 Kxg7 25. g4 Ng3 1/2-1/2

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2010.09.16"]
[Round "4"]
[White "Hagenlueke, Thomas"]
[Black "Dumjahn, Carsten"]
[Result "0-1"]
[ECO "D25"]
[WhiteElo "1967"]
[BlackElo "2119"]
[PlyCount "142"]
[EventDate "2010.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Be6 5. Na3 g6 6. Bxc4 Bxc4 7. Nxc4 Bg7 8. Qb3 Qd5 9. Bd2 Ne4 10. Na5 Qxb3 11. Nxb3 0-0 12. Rc1 Na6 13. Ke2 Rfd8 14. Rc2 Rd7 15. Rhc1 Nxd2 16. Nbxd2 Rad8 17. a3 c6 18. Ne4 h6 19. b4 g5 20. g4 e6 21. Nc5 Nxc5 22. Rxc5 Bf8 23. R5c4 f6 24. h4 Bd6 25. Nd2 Kf7 26. Rh1 Kg7 27. Ne4 Be7 28. Ng3 gxh4 29. Rxh4 f5 30. Rh5 fxg4 31. Re5 Kf7 32. Rc1 Rd5 33. Rxd5 Rxd5 34. Rh1 Kg6 35. Kd3 e5 36. Ne2 Bg5 37. Ke4 exd4 38. Nxd4 Bf6 39. Ne2 Rd2 40. Nf4+ Kh7 41. Kf5 Bb2 42. Kxg4 Bxa3 43. Ra1 Bxb4 44. Rxa7 Rd7 45. Nd3 Bd6 46. Kf5 Re7 47. e4 c5 48. e5 Bb8 49. Ra8 c4 50. Rxb8 cxd3 51. Rd8 Rf7+ 52. Ke6 Rxf2 53. Rxd3 Kg8 54. Rd8+ Kg7 55. Rd7+ Kg6 56. Rxb7 h5 57. Rb4 Re2 58. Kd5 Kf5 59. Rh4 Rxe5+ 60. Kd4 Kf6 61. Rf4+ Ke6 62. Rh4 Rf5 63. Ke4 Kf6 64. Rh1 Ra5 65. Kf3 Kg5 66. Rg1+ Kf5 67. Rh1 Ra3+ 68. Kf2 Kg4 69. Rg1+ Kf4 70. Rh1 Ra2+ 71. Kg1 Kg3 0-1

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2010.09.09"]
[Round "3"]
[White "Dumjahn, Carsten"]
[Black "Atri, Jamshid"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2119"]
[BlackElo "2038"]
[PlyCount "111"]
[EventDate "2010.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. Qb3 Nc6 7. Bxc6+ bxc6 8. Qa4 Bb7 9. Nf3 e6 10. 0-0 Be7 11. Ne5 Qd4 12. Nc4 Nd5 13. Nb5 Nb6 14. Nc7+ Kd7 15. Nxb6+ axb6 16. Qxd4+ cxd4 17. Nxa8 Rxa8 18. d3 c5 19. Bd2 e5 20. Rfb1 Bd5 21. b3 f5 22. a4 e4 23. b4 c4 24. dxc4 Bxc4 25. e3 Bf6 26. exd4 Bxd4 27. Ra3 Bd3 28. Rxd3 exd3 29. Rb3 Bf6 30. Rxd3+ Ke6 31. a5 bxa5 32. bxa5 Bd8 33. Kf1 Bc7 34. Ke2 Ra7 35. Ra3 Ra6 36. Kd3 Kd5 37. Ra4 Be5 38. Bc3 Bxc3 39. Kxc3 Kc5 40. h4 g6 41. Kd3 Kd5 42. Ke3 Ke5 43. Ra2 h6 44. Ra4 g5 45. hxg5 hxg5 46. f4+ gxf4+ 47. gxf4+ Kd5 48. Kd3 Kc5 49. Kc3 Kb5 50. Ra2 Rc6+ 51. Kd4 Rc4+ 52. Ke5 Rc5+ 53. Kd6 Rc6+ 54. Kd7 Ra6 55. Re2 Kxa5 56. Ra2+ 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2010.09.02"]
[Round "2"]
[White "Schroeter, Baldur"]
[Black "Dumjahn, Carsten"]
[Result "1/2-1/2"]
[ECO "C29"]
[WhiteElo "2055"]
[BlackElo "2119"]
[PlyCount "114"]
[EventDate "2010.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 e5 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Nc6 6. d4 Bb4 7. Bd2 Bg4 8. Be2 Bxf3 9. Bxf3 Nxd2 10. Qxd2 Qh4+ 11. g3 Qxd4 12. 0-0-0 Qxd2+ 13. Rxd2 Nxe5 14. Bxd5 0-0-0 15. Rf1 f6 16. Rfd1 c6 17. Be6+ Kc7 18. Rxd8 Rxd8 19. Rxd8 Kxd8 20. Ne2 Nf3 21. h3 Ng5 22. Bg8 Nxh3 23. Bxh7 Bd6 24. Nd4 Ng5 25. Bf5 Bxg3 26. Ne6+ Nxe6 27. Bxe6 Ke7 28. Bf5 g5 29. Kd2 Kd6 30. Ke3 Ke5 31. Bc8 b6 32. Kf3 Bf4 33. Kg4 Bc1 34. b3 Bb2 35. a4 Bc3 36. Bd7 Kd6 37. Bc8 Kc5 38. Bd7 b5 39. Kf5 a6 40. Kg4 Kb6 41. Be8 c5 42. axb5 a5 43. Bf7 Kxb5 44. Be8+ Kb4 45. Bf7 Be5 46. Be6 Bb2 47. Bf7 Kc3 48. Bg6 Kd4 49. Bf7 Bc1 50. Bg6 c4 51. Bh7 Kc3 52. Bg8 Bf4 53. Bf7 Kb4 54. Bg8 Kc5 55. Bf7 Kd4 56. Bg8 cxb3 57. cxb3 Be5 1/2-1/2

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2010.08.26"]
[Round "1"]
[White "Dumjahn, Carsten"]
[Black "Cassens, Erhard Otto"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2119"]
[BlackElo "1823"]
[PlyCount "40"]
[EventDate "2010.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 e6 2. e4 c5 3. d5 d6 4. Nc3 e5 5. Bb5+ Nd7 6. a4 Be7 7. Nf3 a6 8. Bd3 Qc7 9. b3 Ndf6 10. h3 Bd7 11. a5 Bd8 12. Be3 Ne7 13. 0-0 0-0 14. Nd2 Ne8 15. Nc4 Qc8 16. f4 f6 17. fxe5 fxe5 18. Rxf8+ Kxf8 19. Qf3+ Kg8 20. Rf1 Ng6 1-0

[Event "Hamburg-ch MA"]
[Site "Hamburg"]
[Date "2010.05.30"]
[Round "9.8"]
[White "Jacoby, Gisbert"]
[Black "Dumjahn, Carsten"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2146"]
[BlackElo "2113"]
[PlyCount "75"]
[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 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 g6 5. Qb3 e6 6. Nf3 Bg7 7. Nc3 0-0 8. 0-0 Nc6 9. Bb5 Bd7 10. e4 Na5 11. Qb4 Bxb5 12. Qxb5 c6 13. Qe2 Qe7 14. b3 c5 15. Ba3 b6 16. dxc5 Rfc8 17. Nb5 bxc5 18. Rac1 a6 19. Nc3 Qb7 20. Nd2 Nd7 21. Na4 Bf8 22. Rfd1 Ra7 23. Nc4 Nxc4 24. Rxc4 Ne5 25. Rc2 Qb5 26. f4 Qxe2 27. Rxe2 Nd7 28. Rc2 Rac7 29. Rc4 e5 30. f5 Bh6 31. Kf2 Nf6 32. h3 Rc6 33. g4 R8c7 34. Kf3 Nd7 35. Bb2 f6 36. Bc3 Bf8 37. Rd5 Nb6 38. Nxb6 1-0

