[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2018.05.27"]
[Round "9"]
[White "Ertelt, Alf"]
[Black "Ristic, Sreten"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1757"]
[BlackElo "1881"]
[PlyCount "146"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 d6 3. Nf3 Nd7 4. e3 Be7 5. Bd3 h6 6. c4 Ngf6 7. h3 b6 8. Nbd2 Bb7 9. e4 Nh5 10. Bh2 g5 11. Qc2 0-0 12. 0-0 Kh8 13. e5 Rg8 14. Be4 Bxe4 15. Nxe4 f5 16. exf6 Ndxf6 17. c5 bxc5 18. dxc5 Nxe4 19. Qxe4 e5 20. Rad1 Qf8 21. Qg4 Nf4 22. Bxf4 gxf4 23. Qe6 Qg7 24. Ne1 Rae8 25. Qd7 e4 26. Rd5 dxc5 27. Qxc7 f3 28. g3 Bd8 29. Qxg7+ Rxg7 30. Nc2 Bf6 31. b3 Rc7 32. Rfd1 c4 33. Rd6 cxb3 34. axb3 Be5 35. Rd8 Rxd8 36. Rxd8+ Kg7 37. Ne3 Rc3 38. Re8 Rc1+ 39. Kh2 Rc5 40. Re7+ Kf6 41. Rxa7 Bc3 42. Ra6+ Kf7 43. Ra4 Be1 44. Rxe4 Bxf2 45. Rf4+ Kg6 46. Rxf3 Be1 47. Nc4 Bb4 48. h4 h5 49. Kg2 Rd5 50. Kf1 Rd1+ 51. Ke2 Re1+ 52. Kd3 Re7 53. Kd4 Rd7+ 54. Ke5 Rd1 55. Ke6 Kg7 56. Rf5 Rd3 57. Rg5+ Kh6 58. Ne5 Rxb3 59. Nf7+ Kh7 60. Rxh5+ Kg7 61. Rg5+ Kh7 62. g4 Bf8 63. h5 Rb6+ 64. Kd7 Rb4 65. Ke8 Rb8+ 66. Nd8 Bg7 67. Rd5 Bf6 68. g5 Bxd8 69. Rxd8 Rb5 70. Rd7+ Kg8 71. g6 Rxh5 72. Rh7 Rxh7 73. gxh7+ Kxh7 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2018.05.25"]
[Round "7"]
[White "Cassens, Erhard Otto"]
[Black "Ertelt, Alf"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1874"]
[BlackElo "1757"]
[PlyCount "152"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. e3 g6 4. Nbd2 Bg7 5. e4 0-0 6. Bd3 Nbd7 7. 0-0 e5 8. h3 Qe8 9. d5 Nh5 10. Re1 Nc5 11. Bf1 Nf4 12. Nb3 Nxb3 13. axb3 f5 14. Bxf4 exf4 15. exf5 Qf7 16. fxg6 hxg6 17. Ra4 Bf6 18. Rxf4 Qg7 19. g4 Bd7 20. Nd4 Be5 21. Rxf8+ Qxf8 22. Nf3 Bf4 23. Qd3 Qh6 24. Re7 Rd8 25. Bg2 c6 26. Nh4 Bg5 27. Rxd7 Rxd7 28. dxc6 bxc6 29. Bxc6 Re7 30. Ng2 Bf6 31. f4 Qf8 32. Qxg6+ Rg7 33. Bd5+ Kh8 34. Qf5 Rh7 35. Kh2 Qe7 36. Qe6 Qxe6 37. Bxe6 Re7 38. f5 Be5+ 39. Kg1 Rb7 40. Kf2 Rb5 41. Ne3 Ra5 42. Ke2 Ra1 43. Nd1 Bf6 44. b4 Kg7 45. Bb3 Ra6 46. Kf3 Kh6 47. Ke4 Rb6 48. Ne3 Rb8 49. Kd5 Be5 50. h4 a5 51. g5+ Kh5 52. f6 axb4 53. c4 Kxh4 54. c5 Kxg5 55. f7 Bf4 56. Ng2 Be5 57. cxd6 Kf6 58. Kc6 Rf8 59. Ne3 Bxb2 60. Ng4+ Kg5 61. Nf2 Kg6 62. Nd3 Bc3 63. d7 Bf6 64. Nf4+ Kg7 65. Nh5+ Kg6 66. Nxf6 Kxf6 67. Kd6 Rd8 68. Be6 Rf8 69. Bd5 Rd8 70. Kc7 Ke7 71. Bb3 Rf8 72. Kc6 Rd8 73. Ba4 Rf8 74. Kc7 Rd8 75. Bb3 Rf8 76. Be6 Rd8 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2018.05.24"]
[Round "6"]
[White "Ertelt, Alf"]
[Black "Tscherepanov, Leon"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1757"]
[BlackElo "1761"]
[PlyCount "96"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Qb6 5. Qc1 Bf5 6. Nd2 Nc6 7. a3 cxd4 8. exd4 Rc8 9. Ngf3 e6 10. Be2 Be7 11. 0-0 0-0 12. b4 h6 13. Qb2 Qd8 14. h3 Bd6 15. Ne5 Ne4 16. Nxe4 Bxe4 17. f3 Bh7 18. Qd2 Nxe5 19. dxe5 Bc7 20. Kh1 Qh4 21. Bh2 f6 22. Qd4 Qxd4 23. cxd4 fxe5 24. dxe5 Bb6 25. Rac1 Bd4 26. a4 Be3 27. Rxc8 Rxc8 28. f4 Bc2 29. Bb5 Kf7 30. Bg1 Bxg1 31. Kxg1 a6 32. Be2 Bxa4 33. f5 exf5 34. Rxf5+ Ke7 35. Rf4 Rc7 36. Bg4 Bd7 37. Bf3 Ke6 38. Bg4+ Ke7 39. Be2 Rc3 40. Bh5 Be6 41. Kf2 Rc4 42. Rxc4 dxc4 43. Ke3 Kd7 44. Kd4 b6 45. h4 Kc7 46. Bd1 Kc6 47. Bf3+ Kb5 48. Bd5 c3 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2018.05.23"]
[Round "5"]
[White "Ertelt, Alf"]
[Black "Schulz, Hans Juergen"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1757"]
[BlackElo "1842"]
[PlyCount "20"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Bf5 3. e3 Nf6 4. Bd3 Bxd3 5. Qxd3 e6 6. Nd2 Nbd7 7. Ngf3 Bd6 8. Bg3 Qe7 9. 0-0 Bxg3 10. hxg3 0-0 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2018.05.22"]
[Round "4"]
[White "Christensen, Andreas"]
[Black "Ertelt, Alf"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1808"]
[BlackElo "1757"]
[PlyCount "89"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. e5 Nfd7 6. Bd3 c5 7. c3 Nc6 8. 0-0 h6 9. Re1 0-0 10. a3 Qb6 11. b4 c4 12. Bb1 a5 13. Qc2 f5 14. exf6 Nxf6 15. b5 Nd8 16. a4 Nf7 17. Ne5 Nh8 18. Ndf3 Qd8 19. Ng6 Nxg6 20. Qxg6 Qe8 21. Ne5 Qxg6 22. Nxg6 Re8 23. Nxe7+ Rxe7 24. Ba3 Kf7 25. Bg6+ Kxg6 26. Bxe7 Bd7 27. f3 b6 28. Bd6 Rc8 29. Re3 Kf7 30. Rae1 g6 31. Kf2 g5 32. Be5 Kg6 33. Ke2 Kf5 34. Kd2 h5 35. h4 Nh7 36. Rh1 Nf8 37. g4+ hxg4 38. fxg4+ Kxg4 39. Rg3+ Kh5 40. hxg5+ Kg6 41. Bd6 Nh7 42. Rh6+ Kg7 43. Be5+ Kg8 44. g6 Nf8 45. Rh8# 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2018.05.21"]
[Round "3"]
[White "Lam, Daniel"]
[Black "Ertelt, Alf"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1964"]
[BlackElo "1757"]
[PlyCount "123"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 g6 6. Bg2 Bg7 7. a3 Nge7 8. Rb1 0-0 9. 0-0 d4 10. b4 cxb4 11. axb4 b5 12. Nb3 e5 13. Bd2 Qc7 14. Nh4 Rb8 15. f4 f5 16. exf5 Bxf5 17. Nxf5 Nxf5 18. Nc5 Qd6 19. Qf3 Rbc8 20. Qd5+ Qxd5 21. Bxd5+ Kh8 22. Ne6 Rfe8 23. Nxg7 Kxg7 24. Rfe1 Ne3 25. Bxe3 dxe3 26. Rxe3 Nd4 27. Ra1 exf4 28. Rxa7+ Kh6 29. Rxe8 Rxe8 30. c4 Re1+ 31. Kf2 Re2+ 32. Kf1 fxg3 33. hxg3 Rb2 34. Bg8 Rxb4 35. Rxh7+ Kg5 36. Rd7 Nc2 37. Rd5+ Kg4 38. Rxb5 Ra4 39. c5 Kxg3 40. Rb1 Nd4 41. Rc1 Ra8 42. Bd5 Rf8+ 43. Ke1 Re8+ 44. Be4 g5 45. c6 Rc8 46. Rc4 Nb5 47. Bf5 Rc7 48. Bd7 Nd6 49. Rg4+ Kf3 50. Rxg5 Ke3 51. Rd5 Ra7 52. Kd1 Nf7 53. Kc2 Nd8 54. Rc5 Rc7 55. Kc3 Nf7 56. d4 Nd6 57. Re5+ Ne4+ 58. Kc4 Kf4 59. Rf5+ Ke3 60. Re5 Kf4 61. Kd5 Nc3+ 62. Kd6 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2018.05.20"]
[Round "2"]
[White "Ertelt, Alf"]
[Black "Rudolph, Jens Erik"]
[Result "1-0"]
[ECO "A44"]
[WhiteElo "1757"]
[BlackElo "1930"]
[PlyCount "75"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. e4 d6 4. c4 Be7 5. Bd3 Nf6 6. f3 0-0 7. Ne2 Na6 8. a3 Bd7 9. Nbc3 Nc7 10. Be3 a6 11. a4 b6 12. 0-0 Nfe8 13. Ng3 g6 14. Bh6 Ng7 15. f4 exf4 16. Bxf4 f6 17. Be3 Rb8 18. Qd2 Rb7 19. Bc2 Qb8 20. b3 b5 21. Rab1 Na8 22. Bh6 Rf7 23. e5 dxe5 24. Nge4 f5 25. d6 Bf8 26. Nxc5 Rb6 27. Nxd7 Rxd7 28. Qd5+ Kh8 29. c5 Rbb7 30. Qxe5 Rf7 31. Ne4 fxe4 32. Rxf7 Rxf7 33. Bxe4 Qa7 34. axb5 axb5 35. Ra1 Qd7 36. Rxa8 Kg8 37. Bd5 b4 38. Qxg7# 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2018.05.19"]
[Round "1"]
[White "Ertelt, Alf"]
[Black "Schroeder, Kai Uwe"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1757"]
[BlackElo "1860"]
[PlyCount "74"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 d5 3. Nf3 Bd6 4. Bg3 Nf6 5. e3 0-0 6. c3 c6 7. Be2 Ne4 8. Nbd2 f5 9. Ne5 Qc7 10. Ndf3 Nd7 11. 0-0 Nxg3 12. fxg3 Bxe5 13. dxe5 Nxe5 14. Qd4 Ng4 15. Rac1 Qb6 16. h3 Nf6 17. b4 Ne4 18. Kh2 Qc7 19. Qe5 Qf7 20. Qf4 Qf6 21. g4 fxg4 22. Qxf6 g3+ 23. Kg1 gxf6 24. Bd3 Nf2 25. Bb1 e5 26. c4 dxc4 27. Rxc4 Be6 28. Rh4 Rf7 29. a3 Rd8 30. Bc2 Rg7 31. Rc1 Bf7 32. a4 Bg6 33. Bb3+ Kh8 34. a5 a6 35. Rh6 Rgd7 36. Rh4 Rd3 37. Ba4 Ra3 0-1

[Event "Hamburg CC Easter op 4th"]
[Site "Hamburg"]
[Date "2018.04.02"]
[Round "7"]
[White "Abele, Anais"]
[Black "Ertelt, Alf"]
[Result "0-1"]
[ECO "C05"]
[WhiteElo "1710"]
[BlackElo "1784"]
[PlyCount "122"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. c3 Nf6 5. e5 Nfd7 6. f4 c5 7. Ngf3 Nc6 8. Nb3 a5 9. a4 0-0 10. Be2 f6 11. 0-0 b6 12. Be3 Bb7 13. Kh1 Qc7 14. Rc1 fxe5 15. fxe5 Qd8 16. Qe1 Kh8 17. Qg3 Ba6 18. Bxa6 Rxa6 19. Qg4 Rf5 20. h4 Qf8 21. Kg1 c4 22. Nbd2 Ra7 23. Ng5 Bxg5 24. hxg5 g6 25. Rxf5 Qxf5 26. Qxf5 gxf5 27. b3 cxb3 28. Nxb3 Ne7 29. c4 dxc4 30. Rxc4 Nd5 31. Kf2 Kg7 32. Rc6 Nf8 33. Ke2 Rc7 34. Rxc7+ Nxc7 35. Kd3 Nd5 36. Bd2 Kg6 37. g3 Kh5 38. Kc4 Kg4 39. Be1 Kxg5 40. Kb5 Kg4 41. Nd2 Nc3+ 42. Kxb6 Nxa4+ 43. Kxa5 Nb2 44. Nf1 Kf3 45. Bb4 Ng6 46. Kb6 Kf2 47. Nd2 Kxg3 48. Kc7 h5 49. Kd6 Nf4 50. Nf1+ Kf2 51. Bd2 Nc4+ 52. Kd7 Nxd2 53. Nxd2 h4 54. d5 Nxd5 55. Kxe6 Ne3 56. Kf7 h3 57. e6 Nd5 58. e7 Nxe7 59. Kxe7 h2 60. Kf6 h1Q 61. Kxf5 Qd5+ 0-1

[Event "Hamburg CC Easter op 4th"]
[Site "Hamburg"]
[Date "2018.04.01"]
[Round "6"]
[White "Abele, Stefan"]
[Black "Ertelt, Alf"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1646"]
[BlackElo "1784"]
[PlyCount "45"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 h6 4. exd5 exd5 5. Bd3 Nf6 6. Ngf3 Bd6 7. 0-0 0-0 8. Re1 c5 9. c3 Nc6 10. Nf1 Bg4 11. h3 Be6 12. Bc2 Qc7 13. Be3 c4 14. Qc1 h5 15. Bg5 Ne8 16. Bb1 g6 17. Bxg6 Bxh3 18. Bxh5 Bf5 19. Bh6 Ng7 20. Bxg7 Kxg7 21. Nh4 Bg6 22. Bxg6 fxg6 23. Re6 1/2-1/2

[Event "Hamburg CC Easter op 4th"]
[Site "Hamburg"]
[Date "2018.04.01"]
[Round "5"]
[White "Ertelt, Alf"]
[Black "Grotrian, Peter"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1784"]
[BlackElo "1544"]
[PlyCount "23"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 c5 6. c3 cxd4 7. cxd4 Nc6 8. Ne2 Qa5+ 9. Bd2 Bb4 10. Nbc3 Nd5 11. a3 Be7 12. Nxd5 1-0

[Event "Hamburg CC Easter op 4th"]
[Site "Hamburg"]
[Date "2018.03.31"]
[Round "4"]
[White "Pavlovic, Renato"]
[Black "Ertelt, Alf"]
[Result "0-1"]
[ECO "A03"]
[BlackElo "1784"]
[PlyCount "84"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 e6 3. e3 c5 4. Be2 Nc6 5. 0-0 Bd6 6. b3 Nf6 7. Bb2 0-0 8. d3 b6 9. Qe1 Qe7 10. a3 Bb7 11. Nbd2 e5 12. f5 e4 13. Bxf6 Qxf6 14. dxe4 Ne5 15. exd5 Bxd5 16. e4 Bb7 17. Nc4 Nxc4 18. Bxc4 Rae8 19. Bd3 b5 20. Nd2 a6 21. a4 Be5 22. Ra2 Bc3 23. axb5 axb5 24. Bxb5 Qd4+ 25. Qf2 Qxd2 26. Qxd2 Bxd2 27. Bxe8 Rxe8 28. Rd1 Be3+ 29. Kf1 h6 30. Ra7 Bxe4 31. Re1 Bxc2 32. g4 Kf8 33. Ra3 Bd3+ 34. Kg2 Be4+ 35. Kh3 Bd2 36. Re2 Bb4 37. Ra7 Bd5 38. Rxe8+ Kxe8 39. Kg3 Bxb3 40. Kf2 Bd1 41. h3 c4 42. Rc7 c3 0-1

[Event "Hamburg CC Easter op 4th"]
[Site "Hamburg"]
[Date "2018.03.30"]
[Round "1"]
[White "Ertelt, Alf"]
[Black "Uksini, Bardhyl"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1784"]
[BlackElo "2319"]
[PlyCount "64"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. e3 0-0 5. c3 d6 6. Bd3 Nbd7 7. Nbd2 e5 8. dxe5 dxe5 9. Bxe5 Nxe5 10. Nxe5 Ng4 11. Nxg4 Qxd3 12. h3 b6 13. Nf3 Qe4 14. Nd4 Qxg2 15. Qf3 Bb7 16. Qxg2 Bxg2 17. Rh2 Bb7 18. f4 Rfe8 19. 0-0-0 h5 20. Ne5 Bxe5 21. fxe5 Rxe5 22. Rf2 Rxe3 23. Nb5 Re7 24. Rfd2 a6 25. Nd4 Rae8 26. Nc2 Kg7 27. h4 Be4 28. Nd4 c5 29. Nb3 Bf3 30. Rf1 Re1+ 31. Rxe1 Rxe1+ 32. Kc2 Be4+ 0-1

[Event "Hamburg CC Easter op 4th"]
[Site "Hamburg"]
[Date "2018.03.30"]
[Round "2"]
[White "Rodrigues, Afonso1"]
[Black "Ertelt, Alf"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1539"]
[BlackElo "1784"]
[PlyCount "111"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Bd3 Nc6 7. Bc2 cxd4 8. cxd4 Nb4 9. Ba4 Rc8 10. Bxd7+ Kxd7 11. Nc3 Qa6 12. Qe2 Qxe2+ 13. Kxe2 f6 14. Bd2 Nc6 15. Rac1 Nge7 16. Rhe1 Nf5 17. Be3 Bb4 18. g4 Nxe3 19. Kxe3 fxe5 20. Nxe5+ Nxe5 21. dxe5 Rhf8 22. Rf1 Rc4 23. f3 Rfc8 24. Ne2 Rc2 25. Rxc2 Rxc2 26. Rb1 g5 27. a3 Ba5 28. Kd3 Rc8 29. Rc1 Rf8 30. Rf1 Bc7 31. Kd4 b5 32. b4 Bb6+ 33. Kd3 Rc8 34. Rc1 Rc4 35. Rc3 h6 36. h3 a6 37. Rc1 a5 38. Rxc4 bxc4+ 39. Kc3 axb4+ 40. Kxb4 Kc6 41. a4 Be3 42. a5 Bd2+ 43. Ka3 Bxa5 44. f4 Bc7 45. Nd4+ Kd7 46. fxg5 hxg5 47. Nf3 Bd8 48. Kb4 Be7+ 49. Kc3 Kc6 50. Nd4+ Kb6 51. Nxe6 Ka5 52. Nd4 Bb4+ 53. Kc2 Ka4 54. e6 Bc5 55. Nc6 d4 56. Nxd4 1-0

[Event "Hamburg-ch cand"]
[Site "Hamburg"]
[Date "2016.05.22"]
[Round "9"]
[White "Ertelt, Alf"]
[Black "Von Elsner, Mathias"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1781"]
[BlackElo "1869"]
[PlyCount "81"]
[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. Bf4 c6 3. e3 Qb6 4. Qc1 Bf5 5. Bd3 Bxd3 6. cxd3 Nf6 7. Nf3 Nh5 8. Bg3 Nxg3 9. hxg3 Nd7 10. Nc3 f6 11. 0-0 e6 12. a3 Be7 13. b4 0-0 14. e4 Rfc8 15. Qe3 dxe4 16. dxe4 e5 17. Na4 Qb5 18. Qb3+ Kf8 19. Rfd1 Rd8 20. Nc3 Qb6 21. Qe6 c5 22. Qxb6 axb6 23. dxc5 bxc5 24. b5 Nb6 25. Nd5 Nxd5 26. exd5 Ra5 27. a4 Bd6 28. Nd2 Ke7 29. Nc4 Raa8 30. a5 Bc7 31. b6 Bd6 32. Kf1 f5 33. Ra3 Rf8 34. a6 bxa6 35. Rda1 Rfd8 36. Na5 Re8 37. Nc6+ Kd7 38. b7 Rab8 39. Nxb8+ Rxb8 40. Rb1 Kc7 41. Rxa6 1-0

[Event "Hamburg-ch cand"]
[Site "Hamburg"]
[Date "2016.05.21"]
[Round "8"]
[White "Weis, Hans Juergen"]
[Black "Ertelt, Alf"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "1570"]
[BlackElo "1781"]
[PlyCount "62"]
[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. c4 g6 3. Nc3 d6 4. Nf3 Bg7 5. e4 0-0 6. Be2 Nbd7 7. 0-0 e5 8. d5 a5 9. a4 Nc5 10. Qc2 Nh5 11. Be3 b6 12. Nd2 Nf4 13. Bxf4 exf4 14. Bf3 Be5 15. Be2 f5 16. exf5 Bxf5 17. Nce4 g5 18. Bd3 Nxd3 19. Qxd3 g4 20. Rab1 Qh4 21. h3 f3 22. Qe3 fxg2 23. Rfe1 gxh3 24. Qg5+ Qxg5 25. Nxg5 Bf4 26. Nge4 Bxd2 27. Nxd2 Bxb1 28. Rxb1 Rae8 29. f3 Re2 30. Rd1 Rf6 31. b3 Rg6 0-1

[Event "Hamburg-ch cand"]
[Site "Hamburg"]
[Date "2016.05.20"]
[Round "7"]
[White "Ertelt, Alf"]
[Black "Schoeneshoefer, Adrian"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1781"]
[BlackElo "1838"]
[PlyCount "80"]
[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. Bf4 g6 3. e3 Bg7 4. Nf3 0-0 5. Be2 d6 6. h3 Nbd7 7. 0-0 Qe8 8. Nc3 a6 9. Re1 e5 10. Bh2 e4 11. Nd2 Nb6 12. a4 Qe7 13. a5 Nbd5 14. Nxd5 Nxd5 15. c4 Nf6 16. Qc2 Re8 17. b4 Nd7 18. Rac1 c6 19. c5 d5 20. Nf1 f5 21. Bd6 Qf7 22. f4 exf3 23. Bxf3 Re6 24. Bg3 Bh6 25. Bf2 Nf6 26. Rcd1 Bd7 27. Rd3 Rd8 28. Qd1 Re7 29. Re2 Qe8 30. Qe1 g5 31. Nh2 Qg6 32. Red2 g4 33. hxg4 fxg4 34. Bd1 Rg7 35. Bg3 Ne4 36. Bc2 Nxd2 37. Qxd2 Re8 38. Be5 Rf7 39. Qe2 Bg7 40. Bg3 Bf5 0-1

[Event "Hamburg-ch cand"]
[Site "Hamburg"]
[Date "2016.05.19"]
[Round "6"]
[White "Ristic, Sreten"]
[Black "Ertelt, Alf"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1912"]
[BlackElo "1781"]
[PlyCount "97"]
[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. Nc3 d5 3. d3 c5 4. f4 Nc6 5. Nf3 Nf6 6. Bd2 Be7 7. Qe2 d4 8. Nd1 0-0 9. g3 b5 10. Bg2 Bb7 11. a4 b4 12. b3 a5 13. 0-0 Re8 14. h3 Qc7 15. Nb2 Ba6 16. Rae1 Nh5 17. Kh2 g6 18. Nd1 Rad8 19. Nf2 f5 20. e5 Rf8 21. h4 h6 22. Ng1 Bb7 23. Bf3 Ng7 24. Ngh3 Rde8 25. h5 gxh5 26. Bxh5 Nxh5 27. Qxh5 Kh7 28. g4 Rg8 29. gxf5 Nxe5 30. Re4 Nf3+ 31. Qxf3 exf5 32. Qh5 fxe4 33. dxe4 Ref8 34. Rg1 Rxg1 35. Kxg1 Qc6 36. f5 Rg8+ 37. Kf1 Ba6+ 38. Ke1 Qf6 39. Bf4 Bd6 40. Ng4 Rxg4 41. Qxg4 d3 42. cxd3 Bxf4 43. Nxf4 Qc3+ 44. Kf2 Qd2+ 45. Kg1 Qe1+ 46. Kh2 Qf2+ 47. Ng2 Bxd3 48. Qg6+ Kh8 49. Qe8+ 1-0

[Event "Hamburg-ch cand"]
[Site "Hamburg"]
[Date "2016.05.18"]
[Round "5"]
[White "Ertelt, Alf"]
[Black "Tesch, David"]
[Result "0-1"]
[ECO "D18"]
[WhiteElo "1781"]
[BlackElo "1912"]
[PlyCount "82"]
[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 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Bd2 Nbd7 10. Ne2 Qe7 11. Ng3 Bg6 12. Bc3 Ne4 13. Nxe4 Bxe4 14. Qe2 Bxc3 15. bxc3 c5 16. Nd2 Nf6 17. f3 Bg6 18. Rfe1 Rfd8 19. Nb3 cxd4 20. exd4 Qc7 21. Bd3 Bxd3 22. Qxd3 Rac8 23. Rac1 Qc4 24. Qxc4 Rxc4 25. Na5 Rc7 26. Red1 b6 27. Nb3 Rc4 28. a5 Rdc8 29. axb6 axb6 30. Nd2 Rxc3 31. Rb1 Nd5 32. Ne4 Rc2 33. Ra1 g6 34. Nd6 Rd8 35. Nb5 Ne3 36. Rdb1 Rxg2+ 37. Kh1 Rf2 38. Ra3 Nf5 39. Rc1 Nh4 40. Kg1 Rxf3 41. Ra7 Rf5 0-1

[Event "Hamburg-ch cand"]
[Site "Hamburg"]
[Date "2016.05.17"]
[Round "4"]
[White "Keyser, Robin"]
[Black "Ertelt, Alf"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1809"]
[BlackElo "1781"]
[PlyCount "77"]
[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 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bf4 Be7 6. e3 Nbd7 7. c5 0-0 8. Bd3 Re8 9. 0-0 Nh5 10. b4 Nxf4 11. exf4 Nf8 12. b5 Bd7 13. Rb1 Qc7 14. g3 Bf6 15. Ne5 g6 16. b6 axb6 17. Rxb6 Reb8 18. Qb3 Bxe5 19. fxe5 Bc8 20. Rb1 Nd7 21. Rb4 Ra7 22. Na4 Qa5 23. Rb2 h5 24. Kg2 Qd8 25. Nb6 Nxb6 26. Rxb6 Rba8 27. Qc2 Kg7 28. Qd2 Qh8 29. Be2 Qh6 30. f4 Ra3 31. R6b3 R3a4 32. Rb4 Ra3 33. Bd1 Qh8 34. R4b3 R3a5 35. g4 h4 36. Rh3 Qd8 37. g5 Ra3 38. Bb3 Qa5 39. Qf2 1-0

[Event "Hamburg-ch cand"]
[Site "Hamburg"]
[Date "2016.05.16"]
[Round "3"]
[White "Ertelt, Alf"]
[Black "Lezynski, Florian"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "1781"]
[BlackElo "1931"]
[PlyCount "52"]
[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. Bf4 e6 3. e3 b6 4. Nf3 Bb7 5. c3 Be7 6. Bd3 0-0 7. Nbd2 d6 8. Qc2 h6 9. h3 Nbd7 10. 0-0 d5 11. Rfe1 c5 12. Rac1 Rc8 13. Qd1 Ne4 14. Bb1 f5 15. Ne5 Nxe5 16. Bxe5 Nxd2 17. Qxd2 Bd6 18. Bxd6 Qxd6 19. f4 Qe7 20. Qf2 Rf7 21. Bd3 g5 22. Be2 Rcf8 23. Kh1 Rg7 24. g3 Kh8 25. Rg1 g4 26. h4 h5 1/2-1/2

[Event "Hamburg-ch cand"]
[Site "Hamburg"]
[Date "2016.05.15"]
[Round "2"]
[White "Ertelt, Alf"]
[Black "Hildebrandt, Alexander"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1781"]
[BlackElo "1674"]
[PlyCount "68"]
[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. Bg5 d5 3. Bxf6 exf6 4. e3 Bb4+ 5. c3 Bd6 6. Bd3 0-0 7. Nf3 Bg4 8. Nbd2 Re8 9. 0-0 Nd7 10. Qc2 Nf8 11. h3 Bh5 12. Rae1 Bg6 13. Nh4 Bxd3 14. Qxd3 c6 15. e4 dxe4 16. Nxe4 Bc7 17. Nf5 Ng6 18. g3 Qd5 19. Nd2 Re6 20. c4 Qd7 21. Nb3 b6 22. Qf3 Rae8 23. Rxe6 Qxe6 24. Ne3 Qd7 25. h4 Kf8 26. Rd1 Rd8 27. Qf5 Qe8 28. Kg2 Ne7 29. Qxh7 Ng8 30. Qf5 g6 31. Qf3 f5 32. d5 c5 33. Nc1 Qe4 34. Qxe4 fxe4 1/2-1/2

[Event "Hamburg-ch cand"]
[Site "Hamburg"]
[Date "2016.05.14"]
[Round "1"]
[White "Schmuck, Martin"]
[Black "Ertelt, Alf"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "1931"]
[BlackElo "1781"]
[PlyCount "62"]
[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 Be7 4. Ngf3 Nf6 5. e5 Nfd7 6. Be2 c5 7. c3 Nc6 8. 0-0 0-0 9. Re1 Qb6 10. Qb3 cxd4 11. Qxb6 Nxb6 12. cxd4 Bd7 13. a3 Rac8 14. b4 f6 15. exf6 Bxf6 16. Bb2 Na4 17. b5 Ne7 18. Rab1 Nxb2 19. Rxb2 b6 20. Nb3 Rc3 21. Rc1 Rfc8 22. Rxc3 Rxc3 23. a4 Ng6 24. g4 Nf4 25. Kf1 g5 26. Ke1 Rxf3 27. Bxf3 Nd3+ 28. Kd2 Nxb2 29. Be2 e5 30. dxe5 Bxe5 31. a5 Nc4+ 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2015.05.31"]
[Round "9"]
[White "Ertelt, Alf"]
[Black "Tscherepanov, Leon"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1815"]
[BlackElo "1835"]
[PlyCount "202"]
[EventDate "2015.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 0-0 6. e3 a6 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. 0-0 c5 11. dxc5 Bxc5 12. Rc1 Qe7 13. Qe2 Nbd7 14. Rfd1 Rac8 15. a3 h6 16. b4 e5 17. Nxe5 Nxe5 18. Bf5 Bb6 19. Bxc8 Rxc8 20. Nb1 Rxc1 21. Rxc1 Nc4 22. h3 Nd5 23. Bg3 Qg5 24. Qg4 Qxg4 25. hxg4 Ndxe3 26. Re1 Nxg4 27. Re8+ Kh7 28. Re7 Bd5 29. Nc3 Be6 30. Ne4 Kg6 31. Nc5 Kf6 32. Rb7 g5 33. Nxa6 Bc8 34. Rxb6+ Nxb6 35. Nc5 Nc4 36. a4 bxa4 37. Nxa4 Ke7 38. f3 Nge3 39. Nc3 f5 40. Bb8 Bb7 41. Kf2 Nd5 42. Nxd5+ Bxd5 43. Ba7 Kd7 44. Bd4 Nd6 45. b5 Nxb5 46. Bg7 h5 47. g4 hxg4 48. fxg4 fxg4 49. Bf6 Nd6 50. Bxg5 Bf3 51. Bf4 Nf5 52. Bh2 Ke6 53. Bf4 Kd5 54. Bh2 Ke4 55. Bb8 Nd4 56. Kg3 Ne2+ 57. Kf2 Kf5 58. Bc7 Kg5 59. Bd8+ Kf5 60. Bc7 Nf4 61. Kg3 Ng6 62. Bd8 Bd1 63. Kf2 Ke4 64. Kg3 Ne5 65. Bh4 Nd3 66. Bg5 Kf5 67. Bd8 Nf4 68. Bc7 Ne6 69. Bd6 Ke4 70. Bb8 Ng7 71. Bc7 Bf3 72. Bb8 Ke3 73. Ba7+ Ke2 74. Bb8 Kf1 75. Kh4 Kg2 76. Kg5 Kh3 77. Be5 Ne6+ 78. Kf6 Nc5 79. Bf4 Bd1 80. Kf7 Kg2 81. Bb8 Kf3 82. Kg6 Bc2+ 83. Kg5 Ne6+ 84. Kf6 Nf4 85. Kg5 Nd5 86. Kh4 Nf4 87. Kg5 Ng2 88. Bc7 Bd1 89. Bb8 Bc2 90. Bc7 Ne1 91. Bb8 Nd3 92. Bc7 Nc5 93. Kh5 Ne6 94. Bb8 Bd1 95. Kh4 Nf4 96. Kg5 Nh3+ 97. Kh4 Bc2 98. Bc7 Bg6 99. Bb8 Bf7 100. Bc7 Nf4 101. Kg5 Ne6+ 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2015.05.30"]
[Round "8"]
[White "Groeppel, Peter"]
[Black "Ertelt, Alf"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1964"]
[BlackElo "1815"]
[PlyCount "73"]
[EventDate "2015.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Nf3 e5 7. d5 Nbd7 8. Be3 a5 9. Nd2 Nh5 10. g3 f5 11. exf5 Nhf6 12. fxg6 hxg6 13. Qc2 e4 14. 0-0-0 Ne5 15. g4 Bd7 16. Ncxe4 Qe8 17. Nxf6+ Bxf6 18. Bg2 b5 19. c5 b4 20. Ne4 a4 21. c6 Bc8 22. Nxf6+ Rxf6 23. Rhe1 Qf7 24. Qe4 Ba6 25. Bf1 Nf3 26. Bxa6 Nxe1 27. Bb7 Re8 28. Qxb4 Nf3 29. Qxa4 Qh7 30. Qc2 Ne5 31. a4 Qxh3 32. a5 Qxg4 33. a6 Rff8 34. a7 Ra8 35. Bxa8 Rxa8 36. f4 Nf3 37. Rh1 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2015.05.29"]
[Round "7"]
[White "Ertelt, Alf"]
[Black "Biermann, Helge"]
[Result "1/2-1/2"]
[ECO "E83"]
[WhiteElo "1815"]
[BlackElo "1790"]
[PlyCount "58"]
[EventDate "2015.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nbd7 7. Bd3 e5 8. Nge2 exd4 9. Nxd4 Ne5 10. Be2 a6 11. Qd2 Bd7 12. 0-0 Nc6 13. Nxc6 Bxc6 14. Rfd1 Qe7 15. Nd5 Qd7 16. Bh6 Bxd5 17. Bxg7 Kxg7 18. cxd5 Rfd8 19. Rac1 Rac8 20. Rc3 c5 21. dxc6 Rxc6 22. Rxc6 Qxc6 23. Rc1 Qe8 24. Rd1 Qe5 25. Qd4 Qxd4+ 26. Rxd4 Kf8 27. Bc4 Ke7 28. Kf2 b5 29. Be2 Rc8 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2015.05.28"]
[Round "6"]
[White "Raedisch, Peter"]
[Black "Ertelt, Alf"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1706"]
[BlackElo "1815"]
[PlyCount "106"]
[EventDate "2015.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. Nc3 c6 6. h3 Nf6 7. Be3 h6 8. Bd3 0-0 9. a3 Re8 10. Qd2 Ne4 11. Bxe4 dxe4 12. Nh2 f5 13. 0-0-0 Qc7 14. g3 Na6 15. Ne2 Qe7 16. Qc3 Be6 17. Nf4 Bf7 18. g4 g5 19. gxf5 gxf4 20. Rhg1+ Kh7 21. Bd2 e3 22. Be1 Rg8 23. Ng4 h5 24. f6 Qe4 25. f3 Qf5 26. Rh1 Nc7 27. Ne5 Bxe5 28. dxe5 Nd5 29. Qd3 Qxd3 30. Rxd3 Rg2 31. c4 Bg6 32. Rd1 Rc2+ 33. Kb1 Rxc4+ 34. Ka2 Re8 35. Bh4 Rxe5 36. Rhg1 Bc2 37. f7 Rf5 38. Rg8 Rxf7 39. Rdg1 Nf6 40. Bxf6 Rxf6 41. R8g7+ Kh6 42. Rxb7 Rg6 43. Re1 Bf5 44. Rxa7 Be6 45. Kb1 Bd5 46. a4 Bxf3 47. a5 Be4+ 48. Ka2 c5 49. Ka3 Bc6 50. h4 f3 51. Rxe3 Rxh4 52. Re5 Rf4 53. Re1 f2 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2015.05.27"]
[Round "5"]
[White "Ertelt, Alf"]
[Black "Buchholz, Robert"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1815"]
[BlackElo "1986"]
[PlyCount "108"]
[EventDate "2015.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Nc6 7. c3 Be7 8. Ne5 Bxe2 9. Qxe2 0-0 10. Nd2 Nf4 11. Qf3 Nxe5 12. Qxf4 Ng6 13. Qe4 Qd5 14. Qxd5 exd5 15. Nf3 Bd6 16. Be3 Rfe8 17. Rfe1 f6 18. g3 Kf7 19. Nd2 c6 20. f3 h5 21. Bf2 Rxe1+ 22. Rxe1 b5 23. Kf1 a5 24. b3 Ne7 25. Rc1 Ke6 26. Ke2 g5 27. Kd3 Rc8 28. Rc2 Rg8 29. h3 g4 30. hxg4 hxg4 31. f4 Rh8 32. Nf1 Nf5 33. Re2+ Kd7 34. Ne3 Nxe3 35. Bxe3 Rh3 36. Rg2 Ke6 37. Ke2 Kf5 38. Kd3 Be7 39. Bd2 Bd6 40. Be3 Rh1 41. Bg1 Ba3 42. Be3 Bc1 43. Bxc1 Rxc1 44. Kd2 Rf1 45. Re2 Rg1 46. Re3 Rg2+ 47. Kd3 Rxa2 48. Re8 Rg2 49. Rc8 Rxg3+ 50. Kd2 Kxf4 51. Rxc6 f5 52. Rc5 Rg1 53. Ke2 g3 54. Rxd5 Rc1 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2015.05.25"]
[Round "3"]
[White "Wrobel, Eduard"]
[Black "Ertelt, Alf"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1734"]
[BlackElo "1815"]
[PlyCount "111"]
[EventDate "2015.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bg5 c5 6. c3 cxd4 7. Bxf6 Qxf6 8. cxd4 Bb4+ 9. Nc3 0-0 10. Nf3 Rd8 11. 0-0 Nd7 12. a3 Ba5 13. Rc1 a6 14. b4 Bb6 15. Na4 Ba7 16. Qc2 Nf8 17. Nc5 Rb8 18. Rfd1 b6 19. Nd3 Bb7 20. Nde5 b5 21. Bxb7 Rxb7 22. Qe4 Rb6 23. Rc6 Rd5 24. Rc7 Bb8 25. Rxf7 Qh6 26. Rf4 Ng6 27. Nxg6 Qxg6 28. Qxg6 hxg6 29. Re4 Rc6 30. Kf1 Kf7 31. Rd3 Rc2 32. g3 Kf6 33. Rd2 Rc1+ 34. Ke2 Kf5 35. Ke3 g5 36. g4+ Kf6 37. Kd3 Ra1 38. Rc2 Rxa3+ 39. Ke2 Rb3 40. Rc6 Rd6 41. Rc8 Ba7 42. Rf8+ Ke7 43. Rg8 Kf6 44. h4 gxh4 45. g5+ Kf7 46. Rc8 Bb6 47. Ne5+ Ke7 48. Rf4 Rxd4 49. Nc6+ Kd7 50. Nxd4 Bxd4 51. Rh8 e5 52. Rf7+ Ke6 53. Rxg7 Rb2+ 54. Kd3 Rb3+ 55. Ke4 h3 56. Rh6# 1-0

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2015.05.24"]
[Round "2"]
[White "Ertelt, Alf"]
[Black "Glodowski, Marek"]
[Result "0-1"]
[ECO "E38"]
[WhiteElo "1815"]
[BlackElo "1973"]
[PlyCount "68"]
[EventDate "2015.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. e3 c5 6. Nf3 Nc6 7. a3 Bxc3+ 8. bxc3 0-0 9. Bd3 Re8 10. 0-0 e5 11. dxe5 Nxe5 12. Nxe5 Rxe5 13. cxd5 Rxd5 14. Bc4 Rh5 15. f3 Qc7 16. g4 Re5 17. e4 Re8 18. Bg5 Be6 19. Bb5 Bd7 20. Be2 Qe5 21. Bh4 Bc6 22. Bg3 Qe6 23. Rfd1 Red8 24. Rd2 Rxd2 25. Qxd2 Qb3 26. Bf2 Qb6 27. Rd1 Ba4 28. Rc1 Rd8 29. Qg5 Qb2 30. e5 h6 31. Qh4 Qxc1+ 32. Kg2 Qd2 33. Bc4 Nh7 34. e6 fxe6 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2015.05.23"]
[Round "1"]
[White "Kazemi Sresht, Rahim"]
[Black "Ertelt, Alf"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "1549"]
[BlackElo "1815"]
[PlyCount "136"]
[EventDate "2015.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 Qb6 9. Nf3 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 Qb4 12. 0-0 Qxd2 13. Nxd2 Nb4 14. Bb1 b6 15. a3 Nc6 16. b4 Ba6 17. Re1 Bxe2 18. Rxe2 Nxd4 19. Re3 Rc8 20. f4 Ke7 21. Kf2 Rc1 22. Rd3 Nf5 23. Nb3 Rc7 24. g4 Nh6 25. h3 Rhc8 26. Ra2 Rc3 27. Ke2 g6 28. Kd2 R3c4 29. Nd4 a6 30. Rc2 Ng8 31. Rxc4 Rxc4 32. Ba2 Rc7 33. Rc3 Rxc3 34. Kxc3 Nb8 35. g5 Kd7 36. Bb1 Ne7 37. Bd3 b5 38. Nb3 Kc6 39. Nc5 Nc8 40. Be2 Nb6 41. Kd4 N6d7 42. Nd3 Nb6 43. Nf2 Nc4 44. Bxc4 dxc4 45. Ng4 Nd7 46. Nh6 Nb6 47. Nxf7 Nd5 48. Nd6 Nxf4 49. h4 Ng2 50. Ne4 Nxh4 51. Nc5 Nf3+ 52. Ke3 Nxg5 53. Nxa6 Nf7 54. Nc5 Kd5 55. Nd7 h5 56. Nf6+ Kxe5 57. Ne4 Nd6 58. Nc3 g5 59. a4 bxa4 60. Nxa4 Nb5 61. Nb6 c3 62. Nd7+ Kf5 63. Nc5 h4 64. Nd3 e5 65. Ne1 e4 66. Nc2 h3 67. Kf2 Kf4 68. Ne3 g4 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2014.06.15"]
[Round "9"]
[White "Ertelt, Alf"]
[Black "Becker Bertau, Friedrich"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1742"]
[BlackElo "1911"]
[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. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 0-0 7. Bd3 b5 8. cxb5 a6 9. 0-0 axb5 10. Bxb5 Ba6 11. Bxa6 Nxa6 12. Bf4 Nh5 13. Bg3 c4 14. Re1 Nxg3 15. hxg3 Nc5 16. Re2 Nd3 17. Ne1 Nxb2 18. Qc2 Qa5 19. e5 Nd3 20. Nxd3 cxd3 21. Qxd3 Bxe5 22. Rc1 Rfc8 23. Rec2 Rc5 24. Ne2 Rxd5 25. Qe3 Kg7 26. g4 Bf6 27. f4 e6 28. g5 Bd8 29. Kh2 h6 30. gxh6+ Kxh6 31. g4 Kg7 32. g5 Bb6 33. Qh3 Rh8 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2014.06.14"]
[Round "8"]
[White "Bahr, Peter"]
[Black "Ertelt, Alf"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "1864"]
[BlackElo "1742"]
[PlyCount "102"]
[EventDate "2014.06.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 e5 7. 0-0 Nbd7 8. Be3 a5 9. h3 Re8 10. d5 h6 11. Nh2 Kh7 12. g4 g5 13. Re1 b6 14. Nf1 Nc5 15. Bf3 Ng8 16. a3 Ne7 17. b4 Nd7 18. Ng3 Ng6 19. Rc1 Nf4 20. Kh2 Nf8 21. Rh1 N8g6 22. Qd2 Ba6 23. b5 Bc8 24. Rhd1 Nh4 25. Bh1 Bd7 26. Nf5 Bxf5 27. exf5 f6 28. f3 Rh8 29. Bf2 h5 30. Bxh4 gxh4 31. Rg1 Bh6 32. Qc2 Bg5 33. Rce1 Qf8 34. Ne4 Qh6 35. gxh5 Rhg8 36. Rg4 Nxh5 37. Bg2 Bf4+ 38. Kg1 Rxg4 39. fxg4 Ng3 40. Qf2 Rg8 41. Qf3 Rg7 42. Bf1 Kg8 43. Bg2 Kf7 44. Qf2 Qh7 45. Qf3 Qh6 46. Qf2 Nxe4 47. Rxe4 Bg3 48. Qf1 Qd2 49. Re2 Qd4+ 50. Kh1 Qxc4 51. Re3 Qd4 1/2-1/2

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2014.06.13"]
[Round "7"]
[White "Behrensen Senfft, Joern"]
[Black "Ertelt, Alf"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1767"]
[BlackElo "1742"]
[PlyCount "74"]
[EventDate "2014.06.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e3 0-0 6. Be2 Nbd7 7. 0-0 e5 8. Qc2 b6 9. dxe5 dxe5 10. Rd1 Qe7 11. e4 Bb7 12. Bg5 h6 13. Be3 c6 14. h3 Rad8 15. a3 Nh5 16. Rd2 Nc5 17. Rad1 Ne6 18. Qc1 Nhf4 19. Bf1 Rxd2 20. Bxd2 Kh7 21. g3 Nh5 22. Be3 Rd8 23. Rxd8 Qxd8 24. Qd2 Nd4 25. Bxd4 exd4 26. b4 Qf6 27. Nxd4 Qxd4 28. Qxd4 Bxd4 29. Nb1 Nxg3 30. Bd3 Nh5 31. Bc2 Nf4 32. e5 Nxh3+ 33. Kg2 Nxf2 34. Nd2 Ng4 35. Be4 Nxe5 36. b5 f5 37. bxc6 Bxc6 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2014.06.12"]
[Round "6"]
[White "Ertelt, Alf"]
[Black "Keuneke, Hanno"]
[Result "0-1"]
[ECO "E87"]
[WhiteElo "1742"]
[BlackElo "1781"]
[PlyCount "78"]
[EventDate "2014.06.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nbd7 7. Bd3 e5 8. d5 a6 9. Nge2 Ne8 10. g4 Nc5 11. Bc2 Qh4+ 12. Bf2 Qe7 13. Qd2 Rb8 14. b4 Nd7 15. Ng3 b5 16. cxb5 axb5 17. Bd3 Ndf6 18. 0-0 Bd7 19. Qe2 c6 20. dxc6 Bxc6 21. Bxb5 Bxb5 22. Nxb5 Nc7 23. Nxc7 Qxc7 24. b5 d5 25. Rfc1 Qa5 26. a4 d4 27. Be1 Qd8 28. Qd3 Nd7 29. a5 Qe7 30. b6 Nxb6 31. axb6 Rxb6 32. Rab1 Rfb8 33. Rxb6 Rxb6 34. Bd2 h6 35. Rc8+ Kh7 36. Qc2 Qa3 37. Bc1 Qxf3 38. Qf2 Qxg4 39. Qxf7 Qxc8 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2014.06.11"]
[Round "5"]
[White "Von Elsner, Mathias"]
[Black "Ertelt, Alf"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1795"]
[BlackElo "1742"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 Nh6 7. b4 cxd4 8. cxd4 Nf5 9. Bb2 Be7 10. Be2 0-0 11. 0-0 Bd7 12. Bd3 Rac8 13. Bxf5 exf5 14. Nc3 Be6 15. Qd3 a5 16. Na4 Qd8 17. b5 Na7 18. Nd2 Bd7 19. Nc3 Be6 20. Rac1 Qd7 21. a4 Bb4 22. Na2 Bxd2 23. Qxd2 Rc4 24. Rxc4 dxc4 25. Qxa5 Nc8 26. Bc3 f4 27. Rd1 f3 28. b6 Bd5 29. Kh1 Qg4 30. g3 Qh3 31. Rg1 Be4 32. Qc5 Bd3 33. Nb4 Bf1 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2014.06.10"]
[Round "4"]
[White "Ertelt, Alf"]
[Black "Opasiak, Dustin Tennessee"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "1742"]
[BlackElo "1836"]
[PlyCount "26"]
[EventDate "2014.06.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. e3 e5 4. cxd5 Qxd5 5. Nc3 Bb4 6. dxe5 Bxc3+ 7. bxc3 Qxd1+ 8. Kxd1 Nxe5 9. f3 Be6 10. Bb5+ c6 11. Ba4 Nd3 12. Ke2 Bc4 13. Bb3 Nxc1+ 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2014.06.09"]
[Round "3"]
[White "Cassens, Erhard Otto"]
[Black "Ertelt, Alf"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1850"]
[BlackElo "1742"]
[PlyCount "50"]
[EventDate "2014.06.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d6 3. e3 g6 4. Nd2 Bg7 5. Be2 0-0 6. h4 h5 7. c3 Nbd7 8. Qb3 e5 9. Bg5 Nb6 10. dxe5 dxe5 11. 0-0-0 Qd5 12. Qxd5 Nfxd5 13. e4 f6 14. exd5 fxg5 15. Ne4 g4 16. f3 Bf5 17. Ng5 Rad8 18. fxg4 hxg4 19. c4 Na4 20. Rd2 Nc5 21. b4 Ne4 22. Nxe4 Bxe4 23. Bxg4 Bh6 24. Be6+ Kg7 25. Rh2 Rf1+ 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2014.06.08"]
[Round "2"]
[White "Ertelt, Alf"]
[Black "Quibael, Ricardo"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1742"]
[BlackElo "1798"]
[PlyCount "92"]
[EventDate "2014.06.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. Bf4 c6 6. e3 Be7 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. 0-0 a6 11. Rc1 0-0 12. h3 c5 13. Qe2 cxd4 14. exd4 Nb6 15. Rfd1 Nbd5 16. Bh2 Rc8 17. Ne4 Qb6 18. a3 Qa7 19. Qd2 Nxe4 20. Bxe4 Nf6 21. Bxb7 Qxb7 22. Rxc8 Rxc8 23. Rc1 Nd5 24. Ne5 Bf6 25. Rc2 Nb6 26. Qc1 Bxe5 27. Rxc8+ Qxc8 28. Qxc8+ Nxc8 29. Bxe5 f6 30. Bc7 Ne7 31. Bb6 Kf7 32. Kf1 Ke8 33. Ke2 Kd7 34. Bc5 Nd5 35. g3 a5 36. Kd3 f5 37. b3 Kc6 38. Bf8 g6 39. f4 Nf6 40. Ke3 Kd5 41. Be7 Ne4 42. g4 a4 43. bxa4 bxa4 44. Bb4 Kc4 45. g5 Nc3 46. h4 Nd5+ 0-1

[Event "Hamburg-ch MB"]
[Site "Hamburg"]
[Date "2014.06.07"]
[Round "1"]
[White "Klausch, Uwe"]
[Black "Ertelt, Alf"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1837"]
[BlackElo "1742"]
[PlyCount "65"]
[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. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. Qf2 cxd4 10. Nxd4 Bb7 11. 0-0-0 Bc5 12. Kb1 Nxd4 13. Bxd4 Qb6 14. h4 Bxd4 15. Qxd4 Qxd4 16. Rxd4 Rc8 17. a3 Nb6 18. g4 g6 19. h5 Ke7 20. g5 Nc4 21. Nd1 Na5 22. Rh3 Nc6 23. Rd2 Rhd8 24. Ne3 Rc7 25. Ng4 Na5 26. Nf6 Nc4 27. Rdh2 d4 28. Bd3 Ne3 29. hxg6 hxg6 30. Bxg6 Rf8 31. Rh7 Nf5 32. Bxf5 exf5 33. g6 1-0

[Event "Hamburg-ch A-Klasse"]
[Site "Hamburg"]
[Date "2013.05.26"]
[Round "9"]
[White "Oelrichs, Manfred"]
[Black "Ertelt, Alf"]
[Result "0-1"]
[ECO "E72"]
[WhiteElo "1645"]
[BlackElo "1631"]
[PlyCount "124"]
[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. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c6 5. e4 d6 6. d4 0-0 7. Nge2 e5 8. d5 c5 9. 0-0 Nbd7 10. a4 a5 11. Nb5 Ne8 12. Qc2 f5 13. exf5 gxf5 14. h4 Ndf6 15. f3 Kh8 16. Bg5 Nc7 17. h5 h6 18. Bh4 Nxb5 19. cxb5 b6 20. Bh3 Qe8 21. Bxf6 Rxf6 22. g4 f4 23. Nc3 Qe7 24. Qf2 Rf7 25. Ne4 Bd7 26. Kh2 Rg8 27. Rg1 Bf6 28. Nxf6 Qxf6 29. Rge1 Rfg7 30. Kg1 Qf7 31. Kh1 Qxd5 32. Rad1 Qe6 33. Qd2 Qb3 34. Bg2 d5 35. Qxd5 Qxd5 36. Rxd5 Bxg4 37. fxg4 Rxg4 38. Rd2 Rh4+ 39. Kg1 f3 40. Rxe5 Rxa4 41. Re6 fxg2 42. Rxh6+ Kg7 43. Rxg2+ Kxh6 44. Rxg8 Rb4 45. Rg6+ Kxh5 46. Rxb6 Rxb2 47. Rb8 Kg4 48. b6 Kg3 49. Rg8+ Kf3 50. Rf8+ Ke3 51. Rb8 Kd4 52. b7 Kc4 53. Kf1 Rb6 54. Ke2 Kb3 55. Kd3 a4 56. Ke4 a3 57. Kd5 c4 58. Kc5 Rb4 59. Kc6 a2 60. Ra8 Rxb7 61. Kxb7 c3 62. Kc6 c2 0-1

[Event "Hamburg-ch A-Klasse"]
[Site "Hamburg"]
[Date "2013.05.25"]
[Round "8"]
[White "Ertelt, Alf"]
[Black "Behrensen Senfft, Joern"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1631"]
[BlackElo "1308"]
[PlyCount "65"]
[EventDate "2013.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 0-0 6. e3 c5 7. cxd5 exd5 8. Be2 Nc6 9. 0-0 cxd4 10. exd4 Bf5 11. Bd3 Bg4 12. h3 Bh5 13. Be2 Re8 14. g4 Bg6 15. a3 Bd6 16. Bxd6 Qxd6 17. Nh4 Qf4 18. Nxg6 hxg6 19. Bb5 Rac8 20. Ne2 Qg5 21. Ng3 Ne4 22. Qd3 f5 23. Bxc6 Rxc6 24. Rae1 Rce6 25. Nxe4 Rxe4 26. Rxe4 Rxe4 27. f3 Re3 28. Qd2 Qf4 29. Kg2 fxg4 30. hxg4 Qg5 31. Re1 Re5 32. Qxg5 Rxg5 33. Kg3 1-0

[Event "Hamburg-ch A-Klasse"]
[Site "Hamburg"]
[Date "2013.05.24"]
[Round "7"]
[White "Laber, Witalij"]
[Black "Ertelt, Alf"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1629"]
[BlackElo "1631"]
[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. e4 Nf6 2. e5 Nd5 3. d4 e6 4. a3 d6 5. c4 Nb6 6. Nf3 dxe5 7. Nxe5 Be7 8. Be2 0-0 9. 0-0 c5 10. dxc5 Bxc5 11. Qxd8 Rxd8 12. Nc3 f6 13. Nf3 Nc6 14. b4 Bd4 15. Nxd4 Nxd4 16. c5 Nxe2+ 17. Nxe2 Nd5 18. Re1 e5 19. Ng3 Be6 20. Ne4 a6 21. h3 Nc7 22. Nd6 Rab8 23. f4 e4 24. Rxe4 Bd5 25. Re7 Ne8 26. Nxe8 Rxe8 27. Rd7 Bc6 28. Rd2 Re4 29. f5 Rbe8 30. Bb2 Re2 31. Rad1 Bxg2 32. Rxe2 Rxe2 33. Rd8+ Kf7 34. Rd7+ Kf8 35. Bc3 Bc6 36. Rd2 Re3 37. Rd8+ Ke7 38. Bd2 Rg3+ 39. Kf1 Rf3+ 40. Ke2 Kxd8 0-1

[Event "Hamburg-ch A-Klasse"]
[Site "Hamburg"]
[Date "2013.05.23"]
[Round "6"]
[White "Ertelt, Alf"]
[Black "Hotze, Kurt"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "1631"]
[BlackElo "1718"]
[PlyCount "93"]
[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 e6 3. Nc3 f5 4. cxd5 exd5 5. Bf4 Nf6 6. e3 Be7 7. Bd3 0-0 8. Nge2 c6 9. Qc2 Ne4 10. f3 Bb4 11. 0-0 Nxc3 12. bxc3 Bd6 13. Bxd6 Qxd6 14. e4 Qf6 15. e5 Qh6 16. f4 b6 17. Ng3 g6 18. Rf3 Be6 19. Qd2 Nd7 20. Nf1 c5 21. Rh3 Qg7 22. Rg3 Qf7 23. Be2 Kg7 24. h4 Rg8 25. a4 c4 26. h5 Kf8 27. h6 Ke7 28. Qb2 g5 29. Qb4+ Ke8 30. Rxg5 Rxg5 31. fxg5 Qg6 32. Qd6 Rd8 33. Bf3 Nb8 34. Qc7 Qxg5 35. Qxh7 Nc6 36. Qg7 Qxg7 37. hxg7 Kf7 38. Nd2 Rg8 39. Nxc4 Rxg7 40. a5 bxa5 41. Nxa5 Nxa5 42. Rxa5 Ke8 43. Kf2 Rc7 44. Ra3 Kd8 45. Ke3 Kc8 46. Kf4 Rg7 47. Ra6 1-0

[Event "Hamburg-ch A-Klasse"]
[Site "Hamburg"]
[Date "2013.05.22"]
[Round "5"]
[White "Haugwitz, Steffen"]
[Black "Ertelt, Alf"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1668"]
[BlackElo "1631"]
[PlyCount "84"]
[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 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Bb5 Qb6 8. Bxc6 bxc6 9. Na4 Qa5+ 10. c3 Nb6 11. Nxc5 Bxc5 12. dxc5 Qxc5 13. Nd4 Bb7 14. Be3 Qe7 15. Nb3 Nc4 16. Bc5 Qh4+ 17. g3 Qh3 18. Qc2 Qg4 19. Kf2 Qg6 20. Rac1 Qxc2+ 21. Rxc2 Nb6 22. Na5 Ba6 23. Nxc6 Rc8 24. Nb4 Rxc5 25. Nxa6 Rc8 26. b3 Ke7 27. a4 Nd7 28. Rd1 f6 29. exf6+ Nxf6 30. Ke3 Rc6 31. Nb4 Rb6 32. Kd4 Rc8 33. Re1 Rxb4+ 34. cxb4 Rxc2 35. f5 Ne4 36. fxe6 Kxe6 37. h4 Rd2+ 38. Ke3 Rb2 39. Rc1 Rxb3+ 40. Kf4 Rxb4 41. Rc7 Nd6+ 42. Kf3 Rb7 0-1

[Event "Hamburg-ch A-Klasse"]
[Site "Hamburg"]
[Date "2013.05.21"]
[Round "4"]
[White "Ertelt, Alf"]
[Black "Kock, Rudolf"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1631"]
[BlackElo "1673"]
[PlyCount "29"]
[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 e6 2. c4 b6 3. e4 Bb7 4. f3 c6 5. Be3 d5 6. Bd3 Na6 7. a3 c5 8. cxd5 Qd7 9. Qe2 Nc7 10. dxe6 fxe6 11. dxc5 Rd8 12. Bc2 Ba6 13. Qf2 Qb5 14. Nc3 Qxb2 15. Ba4+ 1-0

[Event "Hamburg-ch A-Klasse"]
[Site "Hamburg"]
[Date "2013.05.19"]
[Round "3"]
[White "Chyzynski, David"]
[Black "Ertelt, Alf"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1471"]
[BlackElo "1631"]
[PlyCount "202"]
[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 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 e5 7. d5 a6 8. Qd2 Nbd7 9. Bh6 Nc5 10. Bd3 b5 11. Bxg7 Kxg7 12. b4 Nxd3+ 13. cxd3 Bb7 14. 0-0 Qe7 15. Rfc1 Rac8 16. a4 c6 17. dxc6 Bxc6 18. axb5 axb5 19. Ra5 Qb7 20. Rca1 Ra8 21. Qe3 Rxa5 22. Rxa5 Ra8 23. Rxa8 Qxa8 24. Qd2 Ne8 25. Qa2 Qxa2 26. Nxa2 f5 27. Nd2 Kf6 28. f3 Nc7 29. Nb3 Ne6 30. Kf2 Nf4 31. Nac1 d5 32. exf5 gxf5 33. Nc5 d4 34. h4 h5 35. g3 Nd5 36. Ne2 Nxb4 37. f4 Nd5 38. fxe5+ Kxe5 39. Nb3 Nb4 40. Nbxd4 Be8 41. Ke3 Nd5+ 42. Kd2 f4 43. Nf3+ Kf5 44. d4 fxg3 45. Nxg3+ Kg4 46. Nxh5 Kxf3 47. Ng7 Bf7 48. h5 Ke4 49. h6 Nf6 50. Kc3 Nd5+ 51. Kb2 Bg8 52. Ne8 Kxd4 53. Nd6 b4 54. Kb3 Kc5 55. Ne4+ Kb5 56. Kb2 Kc4 57. Ng5 Nf6 58. Nf3 Ng4 59. Ne1 Nxh6 60. Nc2 b3 61. Na1 Kb4 62. Nxb3 Bxb3 63. Kc1 Kc3 64. Kb1 Nf5 65. Ka1 Bc2 66. Ka2 Nd4 67. Ka3 Bd3 68. Ka2 Bc4+ 69. Kb1 Nc2 70. Kc1 Na3 71. Kd1 Bd3 72. Ke1 Kc2 73. Kf2 Nc4 74. Kf3 Kd2 75. Kf4 Ke2 76. Kg5 Ke3 77. Kf6 Ke4 78. Ke6 Ne5 79. Kf6 Kd5 80. Kg5 Be4 81. Kf4 Nd3+ 82. Kg5 Ke5 83. Kh6 Kf6 84. Kh5 Ne5 85. Kh4 Bf3 86. Kg3 Kf5 87. Kf2 Ke4 88. Kg3 Kf5 89. Kf2 Kf4 90. Ke1 Ke3 91. Kf1 Nd3 92. Kg1 Ke2 93. Kh2 Nf4 94. Kg3 Ng6 95. Kh3 Kf2 96. Kh2 Bg4 97. Kh1 Nh4 98. Kh2 Nf3+ 99. Kh1 Nd2 100. Kh2 Nf1+ 101. Kh1 Bf3# 0-1

[Event "Hamburg-ch A-Klasse"]
[Site "Hamburg"]
[Date "2013.05.19"]
[Round "2"]
[White "Ertelt, Alf"]
[Black "Reiner, Oliver"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1631"]
[BlackElo "1167"]
[PlyCount "47"]
[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 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 axb5 6. Bxb5 Ba6 7. Bxa6 Nxa6 8. Nc3 Qa5 9. Bd2 Nb4 10. Qb1 Qa6 11. Nge2 Nd3+ 12. Kf1 c4 13. Nf4 Nxf4 14. exf4 g6 15. g3 Bg7 16. Kg2 Rb8 17. Qc2 Qb7 18. Rhb1 Nxd5 19. Kg1 Nb4 20. Qd1 0-0 21. b3 Qc6 22. Rc1 Nd3 23. Rc2 Nb4 24. Rcc1 1/2-1/2

[Event "Hamburg-ch A-Klasse"]
[Site "Hamburg"]
[Date "2013.05.18"]
[Round "1"]
[White "Meyer, Eckart"]
[Black "Ertelt, Alf"]
[Result "0-1"]
[ECO "A48"]
[BlackElo "1631"]
[PlyCount "66"]
[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 Nf6 2. Nf3 g6 3. e3 Bg7 4. Nc3 d5 5. Bb5+ c6 6. Bd3 0-0 7. 0-0 Nbd7 8. b3 Qc7 9. Ba3 Re8 10. Re1 e5 11. Qd2 e4 12. Bxe4 Nxe4 13. Qd3 Nxc3 14. Qxc3 Nf6 15. Nd2 Ne4 16. Qd3 Bf5 17. Nxe4 dxe4 18. Qd2 b6 19. c3 Rad8 20. Bb2 c5 21. Rac1 Qb7 22. Rf1 cxd4 23. cxd4 Rc8 24. Bc3 Bd7 25. Qb2 Bb5 26. Rfe1 Qd7 27. Red1 f5 28. a4 Bd3 29. f3 Bh6 30. Kf2 f4 31. exf4 Bxf4 32. Bd2 e3+ 33. Bxe3 Bxe3+ 0-1

