[Event "Brno op 9th"]
[Site "Brno"]
[Date "2019.11.09"]
[Round "7"]
[White "Ahlers, Knut"]
[Black "Pokladnik, Martin"]
[Result "0-1"]
[ECO "E65"]
[WhiteElo "2037"]
[BlackElo "1934"]
[PlyCount "98"]
[EventDate "2019.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nf6 5. 0-0 0-0 6. c4 c5 7. dxc5 dxc5 8. Nc3 Nc6 9. Be3 Be6 10. Qa4 Qa5 11. Qb5 Qb4 12. a3 Qxb5 13. cxb5 Na5 14. Nd2 Rfd8 15. Na4 Ng4 16. Bf4 Rac8 17. h3 Be5 18. Bxe5 Nxe5 19. Ne4 b6 20. b4 Nb3 21. Rad1 Nd4 22. Nec3 Bb3 23. Rde1 cxb4 24. axb4 Nxb5 25. Nxb5 Bxa4 26. Nxa7 Rc7 27. f4 Nd7 28. Ra1 Rxa7 29. Bc6 b5 30. Bxb5 Rda8 31. Bc4 Nb6 32. Bd3 Bd7 33. Rxa7 Rxa7 34. Kg2 Nd5 35. Rb1 Rb7 36. b5 Nc3 37. Rb3 Nxb5 38. g4 Nd6 39. Rc3 Bb5 40. Bxb5 Rxb5 41. Kf3 Rb4 42. h4 Kg7 43. g5 Nf5 44. Kg4 e5 45. e3 exf4 46. exf4 Rb1 47. Rh3 Nd4 48. h5 Rg1+ 49. Kh4 Nf5# 0-1

[Event "Brno op 9th"]
[Site "Brno"]
[Date "2019.11.08"]
[Round "6"]
[White "Piscopo, Pierluigi"]
[Black "Ahlers, Knut"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2398"]
[BlackElo "2037"]
[PlyCount "67"]
[EventDate "2019.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. b4 Be7 6. d3 d6 7. 0-0 0-0 8. a4 Bg4 9. h3 Bh5 10. Nbd2 d5 11. exd5 Nxd5 12. Ne4 Kh8 13. Bd2 Nb6 14. Bb5 f6 15. a5 Nd5 16. a6 Be8 17. axb7 Rb8 18. Ba6 Qd7 19. Re1 Nd8 20. d4 exd4 21. Nxd4 c6 22. Ng3 Nxb7 23. Ngf5 Bd8 24. Bd3 Bb6 25. c4 Bxd4 26. Nxd4 Nc7 27. Bc3 a6 28. Bf5 Qf7 29. Ne6 Rg8 30. Qd3 a5 31. Qg3 axb4 32. Bxb4 Bd7 33. Bxh7 Kxh7 34. Qh4+ 1-0

[Event "Brno op 9th"]
[Site "Brno"]
[Date "2019.11.06"]
[Round "4"]
[White "Myronenko, Natalya"]
[Black "Ahlers, Knut"]
[Result "1/2-1/2"]
[ECO "C24"]
[WhiteElo "1878"]
[BlackElo "2037"]
[PlyCount "75"]
[EventDate "2019.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 a5 6. a4 Bd6 7. h3 0-0 8. Nc3 dxe4 9. Nxe4 Nxe4 10. dxe4 Qc7 11. 0-0 Na6 12. Qe2 Nc5 13. Bc4 Kh8 14. b3 f5 15. exf5 Bxf5 16. Ng5 Qe7 17. h4 Rae8 18. Be3 Qf6 19. Rad1 Be7 20. Qd2 b6 21. Qe2 h6 22. Kh2 hxg5 23. hxg5 Qg6 24. Rh1 Bxg5 25. Bxg5 Qxg5 26. Kg1+ Bh7 27. Rh3 Rf6 28. c3 Ne6 29. Qe4 Nf8 30. Qe2 Rh6 31. Rxh6 Qxh6 32. Qf3 e4 33. Qf7 Qg6 34. Qc7 e3 35. fxe3 Rxe3 36. Qxb6 Qe4 37. Rd8 Re1+ 38. Kf2 1/2-1/2

[Event "Brno op 9th"]
[Site "Brno"]
[Date "2019.11.05"]
[Round "3"]
[White "Ahlers, Knut"]
[Black "Ambros, Zdenek"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2037"]
[BlackElo "1835"]
[PlyCount "71"]
[EventDate "2019.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 0-0 6. Bg5 d6 7. h3 Be6 8. Nbd2 Qe7 9. c3 Bxc4 10. Nxc4 Qe6 11. b4 Bb6 12. a4 a6 13. Nxb6 cxb6 14. b5 Ne7 15. Qe2 Nd7 16. d4 f6 17. Bd2 d5 18. exd5 Qxd5 19. c4 Qd6 20. Rfe1 Ng6 21. Be3 Rfe8 22. c5 Qe6 23. Rac1 axb5 24. axb5 Ra2 25. Rc2 Rea8 26. c6 bxc6 27. bxc6 Ndf8 28. c7 Rxc2 29. Qxc2 Ne7 30. dxe5 fxe5 31. Ng5 Qa2 32. Qxa2+ Rxa2 33. Bxb6 Nc8 34. Bc5 h6 35. Rxe5 Rc2 36. Ne4 1-0

[Event "Brno op 9th"]
[Site "Brno"]
[Date "2019.11.03"]
[Round "1"]
[White "Ahlers, Knut"]
[Black "Strnad, Jiri"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2037"]
[BlackElo "1589"]
[PlyCount "47"]
[EventDate "2019.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 Nc6 7. Nb3 e6 8. Be3 b5 9. Qd2 Bb7 10. 0-0-0 Rc8 11. Bf4 Rc7 12. Bxb5 axb5 13. Nxb5 Rd7 14. Nxd6+ Bxd6 15. Bxd6 Ne7 16. Nc5 0-0 17. Nxd7 Qxd7 18. Qb4 Nc6 19. Bxf8 Qxd1+ 20. Rxd1 Nxb4 21. Bxb4 h6 22. g4 Bc6 23. Be7 Nd7 24. Rd6 1-0

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.25"]
[Round "9"]
[White "Ahlers, Knut"]
[Black "Andresen, Marc"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "1880"]
[BlackElo "1554"]
[PlyCount "69"]
[EventDate "2019.08.17"]
[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. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 c5 6. a3 Nc6 7. Nc3 a6 8. Bd2 Rb8 9. Qc1 Re8 10. e4 d6 11. Nh4 e6 12. f4 b5 13. Ne2 Qc7 14. h3 Bb7 15. Be3 d5 16. Bxc5 dxe4 17. dxe4 Nd8 18. Bd4 Bxe4 19. Bxf6 Qc5+ 20. Rf2 Bxf6 21. Bxe4 Nc6 22. c3 Bxh4 23. gxh4 Rbc8 24. Bxc6 Qxc6 25. Qe3 Red8 26. Nd4 Qc4 27. h5 a5 28. hxg6 hxg6 29. Qe2 b4 30. Qxc4 Rxc4 31. Nb5 Rc5 32. a4 bxc3 33. Nxc3 Rf5 34. Raf1 Rh5 35. Kg2 1-0

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.24"]
[Round "8"]
[White "Sabrowski, Uwe"]
[Black "Ahlers, Knut"]
[Result "1/2-1/2"]
[ECO "E46"]
[WhiteElo "2073"]
[BlackElo "1880"]
[PlyCount "43"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 Ne4 6. Qc2 d5 7. a3 Bxc3+ 8. Nxc3 Nxc3 9. Qxc3 dxc4 10. Bxc4 b6 11. b4 Qg5 12. 0-0 Ba6 13. Bxa6 Nxa6 14. Qc4 Nb8 15. Qxc7 Qd5 16. Bb2 f5 17. f3 Nc6 18. e4 fxe4 19. fxe4 Qxe4 20. d5 Nd4 21. dxe6 Nxe6 22. Qe5 1/2-1/2

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.23"]
[Round "7"]
[White "Ahlers, Knut"]
[Black "Silz, Elisa"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1880"]
[BlackElo "2011"]
[PlyCount "74"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 h5 9. Qd2 Nbd7 10. 0-0-0 Be7 11. h3 Rc8 12. Kb1 b5 13. Bd3 h4 14. f4 Bc4 15. Nd5 Bxd5 16. exd5 Nxd5 17. Bxb5 Nxe3 18. Bxd7+ Qxd7 19. Qxe3 Qf5 20. fxe5 dxe5 21. Qe2 0-0 22. Rhf1 Qe6 23. Nd2 Rc7 24. Rfe1 Rfc8 25. c3 Rc5 26. Nb3 Rb5 27. Qf3 Rcb8 28. Re2 a5 29. Ka1 Rxb3 30. axb3 Qxb3 31. Qd5 Qa4+ 32. Kb1 Rd8 33. Qxd8+ Bxd8 34. Rxd8+ Kh7 35. Rxe5 Qf4 36. Rxa5 g5 37. Rd4 Qf1+ 1/2-1/2

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.22"]
[Round "6"]
[White "Noetzel, Felix"]
[Black "Ahlers, Knut"]
[Result "1-0"]
[ECO "D01"]
[WhiteElo "2262"]
[BlackElo "1880"]
[PlyCount "113"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. f3 Nbd7 5. Qd2 c6 6. 0-0-0 b5 7. Re1 b4 8. Nd1 e6 9. Nf2 Qa5 10. Kb1 h6 11. Bxf6 Nxf6 12. e4 Bh7 13. Bd3 Be7 14. e5 Nd7 15. Bxh7 Rxh7 16. Ne2 c5 17. dxc5 Bxc5 18. Nd3 Rh8 19. Nxc5 Qxc5 20. Nd4 Nb6 21. f4 Nc4 22. Qd3 0-0-0 23. f5 exf5 24. e6 Qe7 25. Nc6 Qf6 26. c3 fxe6 27. Nxd8 Rxd8 28. Qd4 Qe7 29. b3 Na3+ 30. Kb2 Nb5 31. Qxb4 Qxb4 32. cxb4 Rd6 33. Rc1+ Kd7 34. Rc5 Nd4 35. Re1 a6 36. a4 g5 37. Kc3 Nc6 38. b5 d4+ 39. Kd3 axb5 40. Rxb5 e5 41. Rbxe5 Nxe5+ 42. Rxe5 Rb6 43. Kc4 f4 44. Rd5+ Ke6 45. Rxd4 Rc6+ 46. Kd3 Ke5 47. Rc4 Rf6 48. Ke2 Ra6 49. Kf3 Kd5 50. Rb4 Kc5 51. Rb5+ Kc6 52. Kg4 Kc7 53. a5 Kc6 54. Rb6+ Rxb6 55. axb6 Kxb6 56. Kh5 Kb5 57. h3 1-0

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.21"]
[Round "5"]
[White "Ahlers, Knut"]
[Black "Niehaus, Frank"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1880"]
[BlackElo "2143"]
[PlyCount "67"]
[EventDate "2019.08.17"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. Bf4 Bg7 5. Qd2 c6 6. 0-0-0 b5 7. f3 b4 8. Nce2 a5 9. g4 Nbd7 10. h4 h5 11. g5 Nh7 12. e5 d5 13. Qd3 Nb6 14. Bh3 Ba6 15. c4 Bxc4 16. Qb1 e6 17. Bxe6 fxe6 18. Qxg6+ Kf8 19. Qxe6 Qe7 20. Qf5+ Kg8 21. g6 Nf8 22. Bg5 Qe6 23. Qf4 Nxg6 24. Qe3 Rd8 25. b3 Ba6 26. Ng3 Ne7 27. Nh3 Kf7 28. Nf4 Qc8 29. Nfxh5 Nf5 30. Qf4 Kg6 31. Nf6 Nxg3 32. Qxg3 Kf7 33. Qf4 Ke6 34. Rde1 1-0

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.20"]
[Round "4"]
[White "Simon, Ralf Axel"]
[Black "Ahlers, Knut"]
[Result "1-0"]
[ECO "E99"]
[WhiteElo "2131"]
[BlackElo "1880"]
[PlyCount "79"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 a6 11. f3 f5 12. Nd3 f4 13. Bf2 g5 14. c5 Ng6 15. Qb3 Rb8 16. Rfc1 Rf7 17. cxd6 cxd6 18. Qd1 Bf8 19. Rc2 h5 20. Rac1 Rg7 21. Na4 Nh4 22. b3 a5 23. Ne1 Be7 24. Kh1 Kh7 25. a3 Qg8 26. Rc7 Bf6 27. Qc2 Nc5 28. Rxg7+ Qxg7 29. Nxc5 dxc5 30. Qxc5 Bd7 31. Qd6 Rd8 32. Rc7 Be7 33. Qb6 g4 34. d6 Bf6 35. Qxb7 g3 36. Bg1 Nxg2 37. Nxg2 gxh2 38. Bxh2 h4 39. Bb5 h3 40. Ne1 1-0

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.19"]
[Round "3"]
[White "Ahlers, Knut"]
[Black "Bornschein, Burkhard"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1880"]
[BlackElo "2016"]
[PlyCount "103"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 Qc7 8. Qd2 Nc6 9. 0-0-0 b5 10. Ndxb5 axb5 11. Nxb5 Qb8 12. Nxd6+ Bxd6 13. Qxd6 Qxd6 14. Rxd6 Bd7 15. Bb5 Ne5 16. Bxd7+ Nexd7 17. Kb1 Ke7 18. Rhd1 Rhc8 19. b3 Rab8 20. a4 Ne5 21. Rb6 Nfd7 22. Rxb8 Rxb8 23. Ka2 Nc6 24. c3 Na5 25. b4 Nc4 26. Bf2 g5 27. Rd4 Nce5 28. Bg3 Rb7 29. Kb3 Nc6 30. Rd2 Na5+ 31. Ka2 Nc4 32. Rc2 e5 33. Bf2 Ke6 34. b5 Kd6 35. Kb3 Na5+ 36. Kb4 Nc6+ 37. Ka3 Na5 38. c4 Nc5 39. Rd2+ Kc7 40. Kb4 Ncb3 41. Rb2 Kc8 42. Rxb3 Nxb3 43. Kxb3 Rd7 44. Kc2 h5 45. a5 g4 46. a6 f6 47. c5 gxf3 48. gxf3 Rg7 49. Bg3 Rc7 50. c6 Re7 51. Bf2 Kb8 52. b6 1-0

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.18"]
[Round "2"]
[White "Krefenstein, Sergej"]
[Black "Ahlers, Knut"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2125"]
[BlackElo "1880"]
[PlyCount "141"]
[EventDate "2019.08.17"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 g6 5. Nxc6 bxc6 6. Qd4 Qf6 7. Be3 Bg7 8. c3 Ne7 9. Nd2 0-0 10. Qxf6 Bxf6 11. Be2 a5 12. 0-0-0 a4 13. Kc2 d5 14. Bc5 Re8 15. Rhe1 Bg7 16. Bf3 Be6 17. Bxe7 Rxe7 18. exd5 cxd5 19. Bxd5 Bf5+ 20. Ne4 Ra5 21. f3 a3 22. b4 Rb5 23. g4 Bc8 24. Bc4 Rb8 25. Rd8+ Bf8 26. Nf6+ Kg7 27. Ne8+ Kg8 28. Red1 Rxe8 29. Rxe8 Bf5+ 30. gxf5 Rxe8 31. Kb3 Bd6 32. h3 Re3 33. Rd3 Rxd3 34. Bxd3 Be5 35. Kxa3 Bxc3 36. Kb3 Bd2 37. Kc4 Kg7 38. a4 Kf6 39. fxg6 fxg6 40. a5 Ke6 41. Kc5 Kd7 42. a6 Be3+ 43. Kd5 Bb6 44. Bb5+ Kc8 45. Ke6 g5 46. Kf5 Be3 47. Kg4 Kb8 48. Bd3 h6 49. Bf5 Ka7 50. b5 Kb6 51. Bd7 Bd2 52. h4 Bf4 53. h5 c5 54. bxc6 Kxa6 55. Kf5 Kb6 56. Kg6 g4 57. Bxg4 Kxc6 58. Kf5 Bd2 59. Ke5 Bc3+ 60. Ke6 Bd2 61. Bf5 Kc5 62. Be4 Kd4 63. Kf5 Be3 64. f4 Bd2 65. Bb7 Bc1 66. Kg4 Bd2 67. Kf3 Bc1 68. Kg4 Bd2 69. f5 Ke5 70. Bc8 Kf6 71. Be6 1/2-1/2

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.17"]
[Round "1"]
[White "Ahlers, Knut"]
[Black "Abraham, Helmut"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1880"]
[BlackElo "1468"]
[PlyCount "53"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nf6 4. Nf3 a6 5. a4 Nc6 6. Bc4 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qd1 e6 10. 0-0 Be7 11. d3 0-0 12. Ne2 Nd7 13. Ng3 Kh8 14. c3 Nc6 15. f5 Nce5 16. Ba2 Bh4 17. Bf4 Bxg3 18. Bxg3 exf5 19. Rxf5 Qe7 20. Qe2 Nb6 21. a5 Nc8 22. Raf1 b5 23. Bxe5 dxe5 24. Rxf7 Rxf7 25. Rxf7 Qd8 26. Qg4 Ra7 27. Qxg7# 1-0

[Event "Dortmund Sparkassen op 47th"]
[Site "Dortmund"]
[Date "2019.07.21"]
[Round "9"]
[White "Kantor, Nikita"]
[Black "Ahlers, Knut"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1906"]
[BlackElo "1854"]
[PlyCount "56"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 e6 6. Nc3 Qc7 7. Be3 Nf6 8. Be2 Bb4 9. f3 d5 10. exd5 exd5 11. 0-0 dxc4 12. Bxc4 0-0 13. Rc1 Rd8 14. Nce2 Qe5 15. Qb3 Bc5 16. Bxf7+ Kh8 17. Rfd1 Bxd4 18. Nxd4 Nxd4 19. Bxd4 Rxd4 20. Rxd4 Qxd4+ 21. Kh1 b5 22. Rd1 Qb6 23. Qb4 Bb7 24. Qe7 Rc8 25. h3 Ng8 26. Qd7 Qc7 27. Qe6 Rd8 28. Re1 Bd5 0-1

[Event "Dortmund Sparkassen op 47th"]
[Site "Dortmund"]
[Date "2019.07.20"]
[Round "8"]
[White "Ahlers, Knut"]
[Black "Zweschper, Erich"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "1854"]
[BlackElo "2031"]
[PlyCount "78"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Be3 Qc7 7. Qd2 a6 8. 0-0-0 Bb4 9. f3 0-0 10. Nb3 d5 11. a3 Bxc3 12. Qxc3 dxe4 13. fxe4 Nxe4 14. Qe1 f5 15. Bd3 Nf6 16. h3 Nd5 17. Bc5 Re8 18. Rf1 b6 19. Bg1 Bd7 20. Qd2 Nce7 21. g4 f4 22. Be4 Rf8 23. Kb1 Rad8 24. Nd4 e5 25. Ne2 Nf6 26. Qb4 Bb5 27. Rde1 Ned5 28. Bxd5+ Nxd5 29. Qe4 Qc4 30. Qg2 Bc6 31. b3 Nc3+ 32. Nxc3 Qxc3 33. Qe2 Bb5 34. Rf3 Qc7 35. c4 Bc6 36. Rc3 e4 37. Qf2 e3 38. Qh4 Be4+ 39. Kc1 Qe5 0-1

[Event "Dortmund Sparkassen op 47th"]
[Site "Dortmund"]
[Date "2019.07.19"]
[Round "7"]
[White "Wuebker, Paul Luca"]
[Black "Ahlers, Knut"]
[Result "1-0"]
[ECO "E88"]
[WhiteElo "2009"]
[BlackElo "1854"]
[PlyCount "79"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 0-0 6. Be3 e5 7. d5 c6 8. Qd2 cxd5 9. cxd5 Nh5 10. g4 Nf4 11. Nge2 Nxe2 12. Bxe2 Na6 13. Bxa6 bxa6 14. 0-0-0 Bd7 15. h4 Qa5 16. h5 Rfc8 17. Kb1 Rab8 18. Ka1 Rb7 19. hxg6 fxg6 20. Qh2 Rxc3 21. Qxh7+ Kf8 22. Bh6 Ke7 23. Qxg7+ Kd8 24. Bg5+ Kc7 25. Rh7 Kb8 26. Qf8+ Rc8 27. Qxd6+ Ka8 28. Rc1 Rbc7 29. Rb1 Qa4 30. Qxe5 Rc2 31. Qg7 R8c7 32. Bf4 Rb7 33. Rh8+ Bc8 34. Qf8 Qc4 35. Qxc8+ Qxc8 36. Rxc8+ Rxc8 37. Bg5 Rd7 38. Rd1 Re8 39. Kb1 Kb7 40. Bf6 1-0

[Event "Dortmund Sparkassen op 47th"]
[Site "Dortmund"]
[Date "2019.07.18"]
[Round "6"]
[White "Ahlers, Knut"]
[Black "Toel, Karl Ludwig"]
[Result "1/2-1/2"]
[ECO "B70"]
[WhiteElo "1854"]
[BlackElo "2068"]
[PlyCount "103"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. h3 0-0 8. 0-0 Nxe4 9. Nxe4 d5 10. Nb5 a6 11. Qxd5 Qxd5 12. Bxd5 axb5 13. c3 Nc6 14. Bg5 Re8 15. Rfe1 Bf5 16. Nc5 Rad8 17. Bxc6 bxc6 18. Bxe7 Rd5 19. Nb3 Be6 20. Bh4 g5 21. Bg3 c5 22. Rad1 Red8 23. Rxd5 Rxd5 24. Re2 h6 25. Kh2 Kh7 26. f4 Kg6 27. fxg5 hxg5 28. Bf2 Be5+ 29. g3 Bd6 30. Rd2 Rxd2 31. Nxd2 f5 32. b3 Kf6 33. c4 b4 34. Kg2 Bd7 35. Kf3 Bc6+ 36. Ke3 Bg2 37. h4 f4+ 38. gxf4 gxf4+ 39. Ke2 Kf5 40. Nf3 Kg4 41. Ng5 Kf5 42. Ke1 Bc6 43. Kd2 Be8 44. Nf3 Kg4 45. Ne1 f3 46. Nd3 Bg6 47. Nxc5 Bf4+ 48. Ke1 Bb1 49. Na6 Bxa2 50. Nxb4 Bxb3 51. c5 Bc7 52. Nc6 1/2-1/2

[Event "Dortmund Sparkassen op 47th"]
[Site "Dortmund"]
[Date "2019.07.17"]
[Round "5"]
[White "Doescher, Thorsten"]
[Black "Ahlers, Knut"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "2049"]
[BlackElo "1854"]
[PlyCount "124"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nc6 7. Rb1 a6 8. b4 e5 9. d3 Bd7 10. h3 Qc8 11. Kh2 Re8 12. Nd5 b5 13. Bg5 Nxd5 14. cxd5 Ne7 15. e4 a5 16. a3 h6 17. Be3 axb4 18. axb4 f5 19. Qc2 g5 20. Rbc1 f4 21. Qxc7 fxe3 22. Qxd6 Ra6 23. Rxc8 Rxd6 24. Rxe8+ Bxe8 25. fxe3 Bg6 26. Ra1 Rd8 27. Ra5 Nxd5 28. exd5 Bxd3 29. Ne1 Bc4 30. e4 Bf8 31. Nc2 Bd3 32. Ra2 Rc8 33. Ne1 Bc4 34. Rb2 Ra8 35. Nf3 Bd6 36. Nd2 Bd3 37. Nb3 Bxb4 38. Nc1 Ba3 39. Nxd3 Bxb2 40. Nxb2 b4 41. Nc4 b3 42. Kg1 Ra1+ 43. Bf1 Kf8 44. Kf2 b2 45. Bd3 Rd1 46. Nxb2 Rd2+ 47. Kf3 Rxb2 48. Kg4 Ke7 49. Ba6 Rb4 50. Kf5 Kd6 51. Bc8 Rb3 52. Kg4 Re3 53. Bf5 Ke7 54. h4 Kf6 55. h5 Ke7 56. Bg6 Kd6 57. Bh7 Rb3 58. Bg6 Rb6 59. Bh7 Kc5 60. Kf5 Kd4 61. g4 Rd6 62. Bg6 Rb6 1/2-1/2

[Event "Dortmund Sparkassen op 47th"]
[Site "Dortmund"]
[Date "2019.07.16"]
[Round "4"]
[White "Ahlers, Knut"]
[Black "Koellner, Aaron Noah"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "1854"]
[BlackElo "2044"]
[PlyCount "119"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 a6 6. c4 Bb4+ 7. Nc3 Nf6 8. f3 d5 9. Qc2 e5 10. Nxc6 bxc6 11. cxd5 0-0 12. dxc6 Be6 13. Be2 Qa5 14. Bd2 Rfc8 15. a3 Rxc6 16. Rc1 Bf8 17. 0-0 Bc5+ 18. Kh1 Bd4 19. Qa4 Qb6 20. b4 Nh5 21. g4 Nf6 22. g5 Nh5 23. Nd5 Bxd5 24. exd5 Rxc1 25. Rxc1 Bb2 26. Rc6 Qd4 27. Qxa6 Rf8 28. Rc8 g6 29. Rxf8+ Kxf8 30. Qd3 Qf2 31. Be3 Qh4 32. Qc4 Qh3 33. Qg4 Qxg4 34. fxg4 Nf4 35. Bxf4 exf4 36. a4 Ke7 37. Bc4 f6 38. gxf6+ Bxf6 39. Kg2 Bd4 40. Kf3 Be3 41. Ke4 Kd6 42. a5 Bd2 43. a6 Be3 44. h4 h6 45. g5 hxg5 46. hxg5 Ke7 47. Ke5 f3 48. d6+ Kd7 49. Bb5+ Kd8 50. Kf6 f2 51. Kxg6 Kc8 52. Kf6 Bf4 53. g6 Bxd6 54. g7 Bxb4 55. g8Q+ Kc7 56. a7 f1Q+ 57. Bxf1 Be7+ 58. Ke6 Kb6 59. Qb8+ Kc5 60. a8Q 1-0

[Event "Dortmund Sparkassen op 47th"]
[Site "Dortmund"]
[Date "2019.07.15"]
[Round "3"]
[White "Klueting, Reiner"]
[Black "Ahlers, Knut"]
[Result "1/2-1/2"]
[ECO "C28"]
[WhiteElo "1973"]
[BlackElo "1854"]
[PlyCount "19"]
[EventDate "2019.07.13"]
[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 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 Na5 5. Qf3 Bb4 6. Nge2 d6 7. a3 Bg4 8. Qg3 Nxc4 9. axb4 Nb6 10. f3 1/2-1/2

[Event "Dortmund Sparkassen op 47th"]
[Site "Dortmund"]
[Date "2019.07.14"]
[Round "2"]
[White "Ahlers, Knut"]
[Black "Biermann, Florian"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1854"]
[BlackElo "2016"]
[PlyCount "128"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 d6 6. f4 e5 7. Nge2 Nge7 8. 0-0 0-0 9. Rb1 Be6 10. Be3 Nd4 11. Qd2 Rc8 12. h3 Qd7 13. Kh2 d5 14. fxe5 Nxe2 15. Nxe2 d4 16. Bh6 Nc6 17. Bxg7 Kxg7 18. Qg5 Qc7 19. Nf4 Qxe5 20. Qxe5+ Nxe5 21. b3 b6 22. Bf3 Rc6 23. a4 Rd6 24. Kg2 f6 25. Be2 Bf7 26. Bg4 h5 27. Be2 Rh8 28. g4 hxg4 29. Bxg4 Nxg4 30. hxg4 g5 31. Ne2 Rh4 32. Kf3 Be6 33. Rg1 Rd8 34. Rg3 a5 35. Rbg1 Rdh8 36. R1g2 Kf7 37. Kf2 Rh2 38. Kf3 Ke7 39. Kf2 Kd6 40. Kf3 Ke5 41. Rg1 Bd7 42. R3g2 Rxg2 43. Rxg2 Rh4 44. Rg1 Be6 45. Rg3 Kd6 46. Rg1 Kc6 47. Rg2 b5 48. c3 Rh3+ 49. Rg3 Rxg3+ 50. Kxg3 dxc3 51. d4 Bxb3 52. d5+ Kb6 53. axb5 c2 54. Kf3 Kxb5 55. Ke3 a4 56. Kd2 a3 57. Kc3 a2 58. Kb2 c4 59. Nc1 c3+ 60. Ka1 Bc4 61. d6 Kc6 62. e5 fxe5 63. d7 Kxd7 64. Nb3 c1Q+ 0-1

[Event "Dortmund Sparkassen op 47th"]
[Site "Dortmund"]
[Date "2019.07.13"]
[Round "1"]
[White "Sonnenschein, Philipp"]
[Black "Ahlers, Knut"]
[Result "1-0"]
[ECO "C80"]
[WhiteElo "2099"]
[BlackElo "1854"]
[PlyCount "39"]
[EventDate "2019.07.13"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 exd4 7. Re1 d5 8. Nxd4 Bd6 9. Nxc6 Bxh2+ 10. Kh1 Qh4 11. Rxe4+ dxe4 12. Qd8+ Qxd8 13. Nxd8+ Kxd8 14. Kxh2 Be6 15. Be3 f5 16. Nc3 Ke7 17. Rd1 Rac8 18. Bb3 h6 19. Bc5+ Kf7 20. Rd7+ 1-0

[Event "Vellmar op 11th"]
[Site "Vellmar"]
[Date "2019.07.07"]
[Round "7"]
[White "Ahlers, Knut"]
[Black "Michels, Fabio"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1854"]
[BlackElo "1720"]
[PlyCount "200"]
[EventDate "2019.07.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. f5 Nge7 7. fxe6 dxe6 8. 0-0 Nd4 9. d3 a6 10. a4 0-0 11. Kh1 Nec6 12. Bg5 Qb6 13. Qc1 h5 14. Rb1 Qc7 15. Bf4 Qe7 16. Qd2 Nxf3 17. gxf3 Nd4 18. Rbe1 Bd7 19. e5 Bc6 20. Ne4 Bxe4 21. fxe4 Qc7 22. Bh6 Bxh6 23. Qxh6 Qxe5 24. c3 Nc6 25. Rf3 Qg7 26. Qe3 Ne5 27. Rh3 Nxc4 28. dxc4 Qe5 29. Rg1 Rfd8 30. Qf3 Kg7 31. Rxh5 Qc7 32. Rhg5 Rd2 33. R5g2 Rxg2 34. Rxg2 Rd8 35. Rf2 f5 36. Kg2 Rh8 37. Kg1 Rh4 38. exf5 exf5 39. Qd5 Rg4+ 40. Kf1 Rf4 41. Rxf4 Qxf4+ 42. Kg2 Qg5+ 43. Kf2 Qh4+ 44. Kg2 Qe7 45. Kf3 Kf6 46. h4 a5 47. Qd3 Qc7 48. Qd2 Qc6+ 49. Kf2 Qc7 50. Kf3 Qe7 51. Qd5 Kg7 52. Kg3 Qe3+ 53. Kh2 Qf4+ 54. Kg2 Qe4+ 55. Kf2 Qxh4+ 56. Kf3 Qg4+ 57. Kf2 Qf4+ 58. Ke2 Qc7 59. Qg2 Qc6 60. Qh2 Qe4+ 61. Kd2 f4 62. Qh4 Qg2+ 63. Kc1 g5 64. Qe1 Kf6 65. Qe8 Qh1+ 66. Kc2 Qh7+ 67. Kb3 Qe7 68. Qh8+ Kf5 69. Qh3+ g4 70. Qd3+ Kf6 71. Qd2 Qe3 72. Qd6+ Kf5 73. Qd7+ Kg5 74. Qd8+ Kf5 75. Qd7+ Qe6 76. Qd3+ Kg5 77. Qd8+ Qf6 78. Qd5+ Kh6 79. Qh1+ Kg6 80. Qe4+ Qf5 81. Qe8+ Kg5 82. Qd8+ Kg6 83. Qg8+ Kf6 84. Qf8+ Ke5 85. Qxc5+ Ke4 86. Qd4+ Kf3 87. Qd1+ Kf2 88. Qd2+ Kg3 89. Qe1+ Kg2 90. Qe2+ Kh3 91. Qf1+ Kh4 92. Qh1+ Kg5 93. Qxb7 f3 94. Qg7+ Kh4 95. Qh6+ Kg3 96. Qe3 Kg2 97. c5 f2 98. Qe2 Qd5+ 99. Kc2 Qf5+ 100. Kb3 Kg1 0-1

[Event "Vellmar op 11th"]
[Site "Vellmar"]
[Date "2019.07.07"]
[Round "6"]
[White "Gramb, Marius"]
[Black "Ahlers, Knut"]
[Result "1-0"]
[ECO "A24"]
[WhiteElo "2164"]
[BlackElo "1854"]
[PlyCount "93"]
[EventDate "2019.07.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 d6 6. Nge2 e5 7. 0-0 Be6 8. Qb3 Qc8 9. d4 Na6 10. dxe5 dxe5 11. Nd5 Nxd5 12. cxd5 Bd7 13. Be3 f5 14. f3 Kh8 15. Rac1 c5 16. a3 b6 17. Qc2 Qe8 18. Qd2 Bb5 19. Rfe1 Qf7 20. Nc3 Bd7 21. exf5 gxf5 22. Bh6 Rae8 23. Bxg7+ Qxg7 24. Qe2 Bc8 25. Nb5 Qd7 26. Rcd1 Nb8 27. Nc3 Ba6 28. Qd2 Rg8 29. Bf1 Bxf1 30. Kxf1 Qg7 31. Re2 f4 32. g4 Qh6 33. Kg2 Nd7 34. Qe1 Qg6 35. Qh4 Nf6 36. Ne4 Nxg4 37. fxg4 Ref8 38. Kf3 Rg7 39. Qh5 Qxh5 40. gxh5 Rf5 41. Rg2 Rd7 42. Rg5 Rxg5 43. Nxg5 Kg7 44. Ne4 Kf7 45. d6 Ke6 46. Rg1 Kd5 47. Nf6+ 1-0

[Event "Vellmar op 11th"]
[Site "Vellmar"]
[Date "2019.07.06"]
[Round "4"]
[White "Ahlers, Knut"]
[Black "Weiss, Jochen"]
[Result "1/2-1/2"]
[ECO "B39"]
[WhiteElo "1854"]
[BlackElo "2097"]
[PlyCount "114"]
[EventDate "2019.07.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Qd2 d6 11. Be2 Bd7 12. 0-0 0-0 13. f4 Bc6 14. Bf3 a5 15. Rad1 Qc7 16. Nd5 Bxd5 17. cxd5 Nc5 18. Rc1 b6 19. Rc2 Qd7 20. Bd4 Qa4 21. Bxg7 Kxg7 22. b3 Qb4 23. Qe3 b5 24. Rd1 a4 25. Rd4 Qa3 26. Qc3 b4 27. Rxb4+ Kg8 28. bxa4 Rxa4 29. Qxa3 Rxa3 30. e5 Rfa8 31. exd6 exd6 32. Rb6 R8a6 33. Rxa6 Rxa6 34. Be2 Ra3 35. g3 Kg7 36. Kg2 h6 37. Bc4 Kf6 38. Rb2 Rc3 39. Bb5 Ra3 40. Be2 g5 41. fxg5+ hxg5 42. Bh5 Ra7 43. Rf2+ Kg7 44. Bd1 Ra3 45. Kh3 Ne4 46. Re2 f5 47. Bb3 g4+ 48. Kg2 Kf6 49. h3 gxh3+ 50. Kxh3 Nc5 51. Re3 Ra5 52. Bc4 Ra4 53. Rc3 Ne4 54. Rc2 Ra3 55. Bb3 Nc5 56. Re2 Nxb3 57. axb3 Rxb3 1/2-1/2

[Event "Vellmar op 11th"]
[Site "Vellmar"]
[Date "2019.07.06"]
[Round "5"]
[White "Boder, Jan"]
[Black "Ahlers, Knut"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2116"]
[BlackElo "1854"]
[PlyCount "78"]
[EventDate "2019.07.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 d6 6. Nge2 Nc6 7. 0-0 e5 8. d3 Be6 9. h3 Qd7 10. Kh2 Ne8 11. Rb1 f5 12. f4 Rb8 13. b4 exf4 14. Bxf4 Nd4 15. Nxd4 Bxd4 16. Nb5 Bg7 17. exf5 Bxf5 18. Be3 a6 19. Nd4 c6 20. a4 Nc7 21. Nxf5 Rxf5 22. Rxf5 Qxf5 23. b5 axb5 24. axb5 c5 25. Be4 Qe5 26. Bf4 Qf6 27. Qg4 Kh8 28. Qd7 Ne6 29. Be3 Qc3 30. Rf1 Nd4 31. Qxd6 Ra8 32. Qxc5 Ne6 33. Qd6 Ra2+ 34. Kh1 Qb2 35. Qb8+ Bf8 36. Rxf8+ Kg7 37. Rf2 Ra1+ 38. Kg2 Qb1 39. Qxb7+ Kg8 1-0

[Event "Vellmar op 11th"]
[Site "Vellmar"]
[Date "2019.07.05"]
[Round "3"]
[White "Ahlers, Knut"]
[Black "Huneck, Frank"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1854"]
[BlackElo "1788"]
[PlyCount "113"]
[EventDate "2019.07.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 e6 7. Nf4 Nf6 8. h4 c5 9. h5 Be4 10. Nxe4 Nxe4 11. Qf3 Qa5+ 12. c3 Nd6 13. dxc5 Qxc5 14. Be3 Qc6 15. Qg4 Nf5 16. 0-0-0 Nxe3 17. fxe3 Nd7 18. Be2 0-0-0 19. Nd3 Nf6 20. Qh4 Bd6 21. Bf3 Qc7 22. Qg5 Rhg8 23. h6 Ne8 24. e4 Be7 25. Qb5 Nd6 26. Qa4 Bg5+ 27. Kb1 Kb8 28. hxg7 Rxg7 29. Qb3 Nc4 30. e5 Nd2+ 31. Rxd2 Bxd2 32. Nc5 Qb6 33. Qa3 Be3 34. Nxb7 Rc8 35. Nd6 Rc5 36. Qa4 Rg8 37. Nc4 Rxc4 38. Qxc4 Rc8 39. Qd3 h6 40. Rd1 Bg5 41. Ka1 Rd8 42. Qe2 Be7 43. Rxd8+ Qxd8 44. Qe4 Qb6 45. a3 f5 46. Qc4 Bc5 47. Ka2 Be3 48. Bd1 Bc1 49. Bb3 Bg5 50. Qa4 Bc1 51. Qe8+ Kc7 52. Qe7+ Kb8 53. g3 Qf2 54. Qb4+ Kc7 55. Bxe6 Qxg3 56. Qd6+ Kb7 57. Bd5+ 1-0

[Event "Vellmar op 11th"]
[Site "Vellmar"]
[Date "2019.07.05"]
[Round "2"]
[White "Rempel, Patrick"]
[Black "Ahlers, Knut"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2119"]
[BlackElo "1854"]
[PlyCount "83"]
[EventDate "2019.07.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 e5 7. d5 a5 8. g4 Na6 9. Nge2 Nd7 10. Ng3 Ndc5 11. Qd2 f5 12. gxf5 gxf5 13. exf5 Bxf5 14. Nxf5 Rxf5 15. Be2 Kh8 16. h4 Qe8 17. h5 Rf8 18. 0-0-0 e4 19. Rdg1 Bf6 20. Rg4 Na4 21. Rxe4 Nxc3 22. Rxe8 Nxe2+ 23. Qxe2 Raxe8 24. Qg4 Nb4 25. Bd4 Nd3+ 26. Kb1 Be5 27. h6 Rg8 28. Bxe5+ Nxe5 29. Qd4 Rg4 30. f4 Rf8 31. Rf1 Kg8 32. c5 Nf7 33. cxd6 cxd6 34. Qb6 Nxh6 35. Qxd6 Rg6 36. Qc5 Nf5 37. Rg1 Rff6 38. Rxg6+ hxg6 39. Qxa5 Nd4 40. Qd8+ Rf8 41. Qb6 Nf5 42. Qxg6+ 1-0

[Event "Vellmar op 11th"]
[Site "Vellmar"]
[Date "2019.07.04"]
[Round "1"]
[White "Ahlers, Knut"]
[Black "Maas, Kolja"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1854"]
[BlackElo "1571"]
[PlyCount "45"]
[EventDate "2019.07.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Nc6 7. Be3 Bg4 8. Be2 Be7 9. Qd3 Qd7 10. 0-0-0 Bf5 11. Qb5 0-0-0 12. Qa4 b6 13. Bb5 Kb7 14. Ne5 dxe5 15. Rxd7 Bxd7 16. Rd1 Be8 17. Rxd8 Bxd8 18. Ba6+ Kb8 19. Qg4 Ne7 20. Qxg7 Rg8 21. Qxe5 Rxg2 22. Bg5 Rg1+ 23. Kd2 1-0

[Event "Oberliga Nord N 1718"]
[Site "Germany"]
[Date "2018.04.15"]
[Round "9.6"]
[White "Ahlers, Knut"]
[Black "Reichmann, Hendrik"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "1672"]
[BlackElo "2334"]
[PlyCount "32"]
[EventDate "2017.10.08"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Bargteheide"]
[BlackTeam "Schwerin"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. a4 Nf6 6. Nf3 0-0 7. Bd3 Nc6 8. e5 dxe5 9. fxe5 Ng4 10. Ne2 Nb4 11. Bc4 Bf5 12. Bb3 c5 13. Bd2 c4 14. Bxb4 cxb3 15. cxb3 Ne3 16. Qd2 Bh6 0-1

[Event "Oberliga Nord N 1718"]
[Site "Germany"]
[Date "2018.03.18"]
[Round "8.8"]
[White "Gremmel, Jonas Simon"]
[Black "Ahlers, Knut"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1882"]
[BlackElo "1672"]
[PlyCount "64"]
[EventDate "2017.10.08"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Hamburg SF"]
[BlackTeam "Bargteheide"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. Qc2 0-0 6. e3 c6 7. Bd2 Nbd7 8. Bd3 dxc4 9. Bxc4 Re8 10. a3 Bd6 11. 0-0 h6 12. e4 e5 13. Qb3 Qe7 14. dxe5 Nxe5 15. Be2 Nfg4 16. Nd4 Nxh2 17. Rfe1 Neg4 18. Nf5 Bxf5 19. exf5 Qh4 20. Bxg4 Nxg4 21. Be3 Bh2+ 22. Kf1 Rxe3 23. Qc2 Rxe1+ 24. Rxe1 Bc7 25. f3 Qh1+ 26. Ke2 Re8+ 27. Ne4 Qxg2+ 28. Kd1 Qxf3+ 29. Kc1 Ba5 30. Qe2 Qf4+ 31. Kb1 Bxe1 32. f6 Qxe4+ 0-1

