[Event "Berlin-ch Seniors op 37th"]
[Site "Berlin"]
[Date "2021.06.15"]
[Round "8"]
[White "Mietzelfeldt, Gerhard"]
[Black "Kohlmeyer, Dagobert"]
[Result "0-1"]
[ECO "D87"]
[WhiteElo "1761"]
[BlackElo "1816"]
[PlyCount "80"]
[EventDate "2021.06.08"]
[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 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. d5 Qa5 10. Bd2 b5 11. Bb3 c4 12. Bc2 Qc7 13. 0-0 Bg4 14. f3 Bd7 15. Be3 a5 16. Nd4 h5 17. Rb1 b4 18. Ba4 bxc3 19. Bxd7 Bxd4 20. Bxd4 Nxd7 21. Bxc3 f6 22. Qc2 Kg7 23. g3 h4 24. f4 hxg3 25. hxg3 Nc5 26. Rbd1 Qd7 27. Bd4 Qa4 28. Rc1 Qxc2 29. Rxc2 Nxe4 30. Kg2 Kf7 31. Re1 Nd6 32. Rce2 Rfe8 33. g4 Rac8 34. Bc3 a4 35. Bb4 c3 36. Rc1 Rc4 37. a3 Rxf4 38. Kg3 Rd4 39. Kf3 Rxd5 40. Rxc3 Nb5 0-1

[Event "Berlin-ch Seniors op 37th"]
[Site "Berlin"]
[Date "2021.06.14"]
[Round "7"]
[White "Schubert, Joachim"]
[Black "Mietzelfeldt, Gerhard"]
[Result "0-1"]
[ECO "C66"]
[WhiteElo "1918"]
[BlackElo "1761"]
[PlyCount "121"]
[EventDate "2021.06.08"]
[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 d6 4. h3 Bd7 5. c3 Be7 6. 0-0 Nf6 7. Re1 0-0 8. d4 exd4 9. cxd4 a6 10. Bf1 h6 11. Nc3 Nh7 12. a3 Rc8 13. Be3 Kh8 14. Qd2 Ng5 15. Nxg5 Bxg5 16. f4 Bh4 17. Re2 f5 18. e5 Na5 19. Qd3 Be7 20. b4 Nc6 21. d5 Nb8 22. e6 Be8 23. Rc1 c6 24. Rec2 cxd5 25. Nxd5 Rxc2 26. Rxc2 Bb5 27. Qb3 Bxf1 28. Kxf1 Nc6 29. a4 Bf6 30. Qd3 Ne7 31. Nb6 Nc6 32. Qc4 Re8 33. Re2 Bh4 34. Nd7 Ne7 35. Bd4 Qc8 36. Qxc8 Rxc8 37. Re3 Rc1+ 38. Ke2 Rc2+ 39. Kd1 Rxg2 40. Rc3 Rg3 41. Ke2 Rxc3 42. Bxc3 Nd5 43. Bd2 Kg8 44. b5 Nc7 45. bxa6 bxa6 46. Nb8 Kf8 47. Ba5 Nxe6 48. Kf3 Nc5 49. Bc7 Ke7 50. a5 Ke6 51. Bb6 Be1 52. Bxc5 dxc5 53. Nxa6 Kd6 54. Ke3 Bxa5 55. Kd3 Kd5 56. Nb8 Bc7 57. Nd7 Bxf4 58. Nb6+ Kc6 59. Nc4 Bc7 60. Ne3 g6 61. Kc4 0-1

[Event "Berlin-ch Seniors op 37th"]
[Site "Berlin"]
[Date "2021.06.13"]
[Round "6"]
[White "Mueller, Johannes1111"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1/2-1/2"]
[ECO "C26"]
[WhiteElo "1757"]
[BlackElo "1761"]
[PlyCount "121"]
[EventDate "2021.06.08"]
[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. Nc3 Nc6 3. g3 d6 4. Bg2 Nf6 5. h3 Be7 6. Nge2 Bd7 7. 0-0 0-0 8. d3 a6 9. f4 h6 10. f5 Nh7 11. h4 Nf6 12. Bf3 h5 13. Kg2 g6 14. Bh6 Re8 15. fxg6 fxg6 16. Ng1 Kh7 17. Qd2 Ng8 18. Be3 Rf8 19. Nd5 Nd4 20. Nxe7 Nxf3 21. Nxf3 Qxe7 22. Ng5+ Kg7 23. c3 Nf6 24. Rae1 Ng4 25. Bg1 Rf6 26. d4 Raf8 27. Rxf6 Rxf6 28. Qe2 Qf8 29. Rf1 Rxf1 30. Qxf1 Qxf1+ 31. Kxf1 Kf6 32. b3 b5 33. Ke2 Ke7 34. Kd3 Nh6 35. Be3 Ng4 36. Bd2 c6 37. Nf3 Nf2+ 38. Ke3 Ng4+ 39. Ke2 Kf7 40. Bg5 Be8 41. Bd8 Ke6 42. b4 Kd7 43. Bg5 Ke6 44. Ne1 d5 45. exd5+ cxd5 46. dxe5 Kxe5 47. Nd3+ Kd6 48. Bf4+ Kc6 49. Ne5+ Kb6 50. Kd3 Nf6 51. Be3+ Kb7 52. Kd4 Ne4 53. Bf4 Kb6 54. Nd3 Kc6 55. Nb2 Bd7 56. c4 bxc4 57. Nxc4 dxc4 58. Kxe4 Bf5+ 59. Kd4 Kb5 60. a4+ Kxb4 61. Bd2+ 1/2-1/2

[Event "Berlin-ch Seniors op 37th"]
[Site "Berlin"]
[Date "2021.06.12"]
[Round "5"]
[White "Mietzelfeldt, Gerhard"]
[Black "Geiss, Anne"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1761"]
[BlackElo "1424"]
[PlyCount "35"]
[EventDate "2021.06.08"]
[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 Nf6 3. Nc3 Nc6 4. Bc4 Nxe4 5. d4 Nxc3 6. bxc3 d5 7. Bb5 Bd7 8. Qe2 e4 9. Bxc6 bxc6 10. 0-0 Be7 11. Ne5 0-0 12. f3 Re8 13. fxe4 dxe4 14. Nxf7 Qc8 15. Ne5 Bf6 16. Bf4 Bf5 17. Qc4+ Kh8 18. Nf7+ 1-0

[Event "Berlin-ch Seniors op 37th"]
[Site "Berlin"]
[Date "2021.06.10"]
[Round "3"]
[White "Mietzelfeldt, Gerhard"]
[Black "Langner, Hans Rainer"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1761"]
[BlackElo "1611"]
[PlyCount "56"]
[EventDate "2021.06.08"]
[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. f4 e6 3. Nf3 Nc6 4. b3 d5 5. e5 Nge7 6. Bb2 a6 7. Be2 b5 8. 0-0 Nf5 9. g4 Nfd4 10. c3 Nxf3+ 11. Bxf3 Be7 12. d3 g5 13. c4 Qb6 14. f5 d4 15. f6 Bd8 16. Qe2 Bc7 17. Bxc6+ Qxc6 18. Nd2 Bb7 19. Nf3 0-0-0 20. Kg2 h5 21. h3 hxg4 22. hxg4 Rh4 23. Kg3 Rh6 24. Kg2 Rhh8 25. Qe4 Qxe4 26. dxe4 Bxe4 27. Kf2 Bxf3 28. Kxf3 Bxe5 0-1

[Event "Berlin-ch Seniors op 37th"]
[Site "Berlin"]
[Date "2021.06.09"]
[Round "2"]
[White "Schoenfeld, Anke"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1570"]
[BlackElo "1761"]
[PlyCount "53"]
[EventDate "2021.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 d6 5. Nc3 Nf6 6. Be2 g6 7. Bg5 Bg7 8. 0-0 0-0 9. Nxc6 bxc6 10. Bc4 Be6 11. Bxe6 fxe6 12. Qd2 Qb8 13. Rab1 a5 14. Rfe1 Qb6 15. Be3 Qa6 16. h3 Rab8 17. e5 Nd5 18. Nxd5 exd5 19. exd6 cxd6 20. c3 Qc4 21. Bh6 Rf7 22. Bxg7 Rxg7 23. a3 Rgb7 24. Re6 Qa2 25. Rbe1 Qc4 26. Qh6 Rf8 27. Re7 1-0

[Event "Berlin-ch Seniors op 37th"]
[Site "Berlin"]
[Date "2021.06.08"]
[Round "1"]
[White "Mietzelfeldt, Gerhard"]
[Black "Pfitzer, Norbert"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "1761"]
[BlackElo "2077"]
[PlyCount "36"]
[EventDate "2021.06.08"]
[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 d6 3. Bc4 Nf6 4. d3 Be7 5. h3 0-0 6. Be3 c6 7. Nc3 d5 8. exd5 cxd5 9. Nxe5 dxc4 10. Nxc4 Nc6 11. 0-0 Be6 12. Nd2 Rc8 13. Nde4 Nd5 14. Qd2 Nxe3 15. fxe3 f5 16. Ng3 Qb6 17. Kh1 Bg5 18. Rf3 Ne5 0-1

[Event "Berlin-ch Seniors op 36th"]
[Site "Berlin"]
[Date "2020.02.01"]
[Round "5.45"]
[White "Garms, Ilse"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1693"]
[BlackElo "1800"]
[PlyCount "82"]
[EventDate "2020.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Nf3 c6 4. Bd3 g6 5. Nbd2 Bg7 6. b3 Nbd7 7. Bb2 0-0 8. 0-0 Re8 9. Re1 a5 10. a4 b6 11. e4 dxe4 12. Nxe4 Nd5 13. c3 Qc7 14. Bc4 N7f6 15. Nxf6+ Bxf6 16. Rc1 Ba6 17. Bxd5 cxd5 18. Ne5 Qd6 19. Qf3 Ra7 20. Ra1 h5 21. Ba3 Qc7 22. Qxd5 e6 23. Qf3 Bg7 24. Rac1 Bb7 25. Qg3 Rd8 26. Nc4 Qc6 27. Be7 Rd5 28. Bg5 Ba6 29. Bd2 Bxc4 30. bxc4 Qxc4 31. Qb8+ Kh7 32. Qxa7 Rf5 33. Qxb6 Qxa4 34. Be3 Qa2 35. c4 Bh6 36. d5 exd5 37. Bxh6 Kxh6 38. Qe3+ g5 39. cxd5 Qxd5 40. h4 f6 41. hxg5+ fxg5 1-0

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2019.04.23"]
[Round "4"]
[White "Groot, Patrick"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2002"]
[BlackElo "1836"]
[PlyCount "35"]
[EventDate "2019.04.20"]
[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 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 d6 7. Nc3 Nbd7 8. d5 h6 9. Nd4 Ne5 10. Qb3 c5 11. dxc6 Rb8 12. cxb7 Bd7 13. c5+ Nf7 14. c6 Ne4 15. Nd5 Nc5 16. Qd1 Bxd4 17. c7 Bxf2+ 18. Rxf2 1-0

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2019.04.21"]
[Round "2"]
[White "Schmidt, Juergen"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "1943"]
[BlackElo "1836"]
[PlyCount "60"]
[EventDate "2019.04.20"]
[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 d6 4. 0-0 Nf6 5. Re1 Bd7 6. c3 Be7 7. d4 a6 8. Bd3 exd4 9. cxd4 0-0 10. Nc3 h6 11. h3 Re8 12. Be3 Nh7 13. Nd5 Bf8 14. Rc1 Rc8 15. Bb1 Ne7 16. Nxe7+ Rxe7 17. e5 Be8 18. Qc2 g6 19. Qb3 Kg7 20. Bd2 c6 21. e6 fxe6 22. Rxe6 Bf7 23. Rxe7 Qxe7 24. Qd3 Qf6 25. d5 Kg8 26. dxc6 Qxb2 27. Kh2 Rxc6 28. Rxc6 bxc6 29. Bc3 Qc1 30. Qd4 Be8 1-0

[Event "Berlin-ch Seniors op 35th"]
[Site "Berlin"]
[Date "2019.01.30"]
[Round "2"]
[White "Mietzelfeldt, Gerhard"]
[Black "Kapr, Klaus"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1825"]
[BlackElo "1991"]
[PlyCount "72"]
[EventDate "2019.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Bc4 Nb6 5. Be2 Bf5 6. Nf3 e6 7. d3 Be7 8. Be3 0-0 9. 0-0 c5 10. Nd2 Nc6 11. Nde4 Nd4 12. Ng3 Bg6 13. Bh5 Nd5 14. Nxd5 Qxd5 15. Bxg6 hxg6 16. Ne4 Rad8 17. a4 c4 18. Nc3 Qf5 19. Nb5 Nxb5 20. axb5 cxd3 21. c4 Rd7 22. Rxa7 Bc5 23. Bxc5 Qxc5 24. Ra4 Rd4 25. b3 e5 26. Qa1 e4 27. Ra7 Rd7 28. Ra2 d2 29. Qd1 e3 30. fxe3 Qxe3+ 31. Rf2 Qe1+ 32. Rf1 Re8 33. Ra1 Rde7 34. h3 Re2 35. Kh2 Kh7 36. Kg1 Qg3 0-1

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.08"]
[Round "9"]
[White "Fiedler, Ronald"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1667"]
[BlackElo "1850"]
[PlyCount "129"]
[EventDate "2018.01.30"]
[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. Bc4 Be7 4. c3 d6 5. d4 exd4 6. cxd4 Nf6 7. Nc3 0-0 8. h3 h6 9. Be3 a6 10. a3 Re8 11. 0-0 Bf8 12. Qc2 Ne7 13. Rad1 Nd7 14. e5 Nb6 15. Bd3 Ned5 16. Bc1 c6 17. Ne4 Nd7 18. Ng3 dxe5 19. Rfe1 exd4 20. Nxd4 N7f6 21. Ndf5 Be6 22. Nh4 Qc7 23. Ne4 Rad8 24. Nc5 Bc8 25. b4 Rxe1+ 26. Rxe1 Re8 27. Rxe8 Nxe8 28. Nb3 Qe7 29. Nf3 Nef6 30. Bf5 Bxf5 31. Qxf5 b6 32. Nbd4 c5 33. Nc6 Qd7 34. Qxd7 Nxd7 35. bxc5 Bxc5 36. Kf1 Kf8 37. Nd2 Ne7 38. Nd8 Ke8 39. Nb7 b5 40. Ne4 Bb6 41. Bf4 Nd5 42. Nbd6+ Kf8 43. Bd2 Nc5 44. Nc3 Nxc3 45. Bxc3 Na4 46. Ne4 Nxc3 47. Nxc3 Bc5 48. Nb1 Ke7 49. Ke2 Kd6 50. f3 Ke5 51. g3 b4 52. a4 f5 53. Kd3 Kd5 54. Nd2 g5 55. g4 fxg4 56. hxg4 Bd6 57. Nb3 Be5 58. Na5 Bd6 59. Nb3 Ke5 60. Ke2 Kf4 61. Nd2 Ke5 62. Kd3 Kd5 63. Nb3 Be5 64. Na5 Bf6 65. Nb3 1/2-1/2

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.07"]
[Round "8"]
[White "Mietzelfeldt, Gerhard"]
[Black "Fey, Jens"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "1850"]
[BlackElo "1636"]
[PlyCount "53"]
[EventDate "2018.01.30"]
[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. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. e3 0-0 6. Bd3 b6 7. 0-0 Bb7 8. Bd2 c5 9. Rc1 Na6 10. Qe2 Nc7 11. Rfd1 Ba6 12. Ne5 Bb7 13. cxd5 Ncxd5 14. dxc5 Bxc5 15. a3 Nxc3 16. Bxc3 Qe7 17. Ng4 Nxg4 18. Qxg4 f6 19. Qh4 g6 20. Bc4 Bc8 21. b4 Bd6 22. Rd2 Bc7 23. Bb5 g5 24. Qc4 Qf7 25. Bc6 Rb8 26. Bb2 e5 27. Bd5 1-0

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.06"]
[Round "7"]
[White "Weber, Gerald"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1692"]
[BlackElo "1850"]
[PlyCount "39"]
[EventDate "2018.01.30"]
[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 f5 2. g3 Nf6 3. Bg2 e5 4. d3 c6 5. Nc3 g6 6. e3 Bg7 7. Nge2 0-0 8. 0-0 d6 9. b4 Nbd7 10. Ba3 Re8 11. Rb1 Rb8 12. b5 c5 13. Bb2 Nf8 14. Nd5 Nxd5 15. Bxd5+ Kh8 16. Qa4 Qb6 17. Bc3 Qc7 18. b6 axb6 19. Qxe8 Bd7 20. Qf7 1-0

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.05"]
[Round "6"]
[White "Mietzelfeldt, Gerhard"]
[Black "Stuckstedte, Hermann"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1850"]
[BlackElo "1718"]
[PlyCount "128"]
[EventDate "2018.01.30"]
[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. Nf3 Nf6 3. Nc3 Nbd7 4. d4 e5 5. dxe5 dxe5 6. Bb5 c6 7. Bc4 Be7 8. a3 0-0 9. 0-0 Qc7 10. Qe2 Nb6 11. Bb3 Bg4 12. h3 Bh5 13. Be3 Rad8 14. Rad1 a5 15. Bg5 h6 16. Bc1 Rd7 17. Rxd7 Nbxd7 18. g4 Bg6 19. Nh4 Bh7 20. Nf5 Bxf5 21. exf5 Kh7 22. Nd1 Nd5 23. Qf3 Nf4 24. Re1 Bd8 25. Nc3 Nf6 26. Ne4 g5 27. fxg6+ fxg6 28. Kh2 Nd7 29. Qd1 Be7 30. Be3 Kg7 31. c4 Ne6 32. Bc2 Nf4 33. b3 Bxa3 34. Qa1 Be7 35. c5 Ne6 36. Qc3 Nf6 37. Rd1 Nd5 38. Qd2 Nxe3 39. Qxe3 Nf4 40. Nd6 Bf6 41. Ne4 Nd5 42. Qg3 Be7 43. h4 Rf4 44. h5 Qc8 45. Rg1 g5 46. Bb1 Qf8 47. Qd3 Rf7 48. Qc2 Nb4 49. Qd1 Nd5 50. Rg3 Rf4 51. Qc2 Nb4 52. Qc3 Qf7 53. Qxe5+ Bf6 54. Nxf6 Rxf2+ 55. Rg2 Rxf6 56. Rf2 Nd5 57. Kg1 Nf4 58. Kh2 Qxb3 59. Qe7+ Qf7 60. Qe4 Kf8 61. Rd2 Qc7 62. Kh1 Nd5 63. Bc2 Qg3 64. Rd1 Rf2 0-1

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.03"]
[Round "5"]
[White "Seils, Ralf"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2021"]
[BlackElo "1850"]
[PlyCount "69"]
[EventDate "2018.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. b4 b5 2. e3 c6 3. Bb2 Nf6 4. Nf3 d5 5. a4 bxa4 6. Rxa4 Nbd7 7. Ne5 Nxe5 8. Bxe5 e6 9. b5 c5 10. c4 Nd7 11. Bc3 Nb6 12. Ra2 dxc4 13. Qg4 Rg8 14. Na3 Bd7 15. Ba5 Qb8 16. Be2 Be7 17. Bf3 Nd5 18. Qxc4 Qe5 19. 0-0 g5 20. d4 cxd4 21. exd4 Qf5 22. Qe2 Rc8 23. Be4 Qf4 24. Bxd5 exd5 25. Bb4 Be6 26. Bxe7 Kxe7 27. Nc2 Rc7 28. Nb4 Qd6 29. Nc6+ Kd7 30. Rfa1 Ra8 31. Ra6 Qf4 32. g3 Qf6 33. Ne5+ Ke8 34. b6 Re7 35. Rxa7 1-0

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.02"]
[Round "4"]
[White "Mietzelfeldt, Gerhard"]
[Black "Richter, Hans Peter"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1850"]
[BlackElo "2051"]
[PlyCount "105"]
[EventDate "2018.01.30"]
[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. f4 d5 3. exd5 Nf6 4. Nc3 Nxd5 5. d3 Nc6 6. Nf3 e6 7. g3 Be7 8. Bg2 0-0 9. 0-0 Nxc3 10. bxc3 Bf6 11. Bd2 Rb8 12. Rb1 b6 13. Re1 Qc7 14. Kh1 Bb7 15. Re3 Ne7 16. Qe1 Rfe8 17. Ne5 Bxg2+ 18. Kxg2 g6 19. Kf2 Bg7 20. Qf1 Nd5 21. Re2 f6 22. Ng4 e5 23. Rbe1 Qd7 24. Ne3 exf4 25. Nxd5 fxg3+ 26. hxg3 Rxe2+ 27. Qxe2 Qxd5 28. Bf4 Rf8 29. c4 Qd7 30. Qe6+ Qxe6 31. Rxe6 Kf7 32. Rc6 Re8 33. Rc7+ Re7 34. Rxe7+ Kxe7 35. Bb8 Kd7 36. g4 Bf8 37. Bf4 Bd6 38. Bd2 Ke6 39. Kf3 Be7 40. Bf4 g5 41. Bd2 f5 42. a4 Kf6 43. a5 Kg6 44. axb6 axb6 45. Be1 Bd6 46. Bf2 fxg4+ 47. Kxg4 h5+ 48. Kf3 Kf5 49. c3 h4 50. d4 h3 51. Bg1 g4+ 52. Kf2 Ke4 53. d5 0-1

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.01"]
[Round "3"]
[White "Pfitzer, Norbert"]
[Black "Mietzelfeldt, Gerhard"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2069"]
[BlackElo "1850"]
[PlyCount "64"]
[EventDate "2018.01.30"]
[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 Nc6 2. d4 d5 3. g3 Bf5 4. Bg2 e6 5. 0-0 h6 6. c4 dxc4 7. Qa4 Bd6 8. Nc3 Qd7 9. e4 Bg4 10. Be3 a6 11. Qxc4 Rc8 12. Rac1 Nd8 13. h3 Bh5 14. Rfe1 c6 15. a4 Ne7 16. Ne2 f6 17. Nf4 Bf7 18. Qd3 0-0 19. h4 g5 20. Ne2 Bg6 21. Nc3 Nf7 22. Bh3 f5 23. hxg5 hxg5 24. Nxg5 Nxg5 25. Bxg5 f4 26. Qc4 Bf7 27. gxf4 Ng6 28. e5 Be7 29. Ne4 Nh4 30. Nf6+ Bxf6 31. Bxf6 Nf3+ 32. Kf1 Nd2+ 0-1

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.01.31"]
[Round "2"]
[White "Mietzelfeldt, Gerhard"]
[Black "Tham, Franz"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1850"]
[BlackElo "1605"]
[PlyCount "55"]
[EventDate "2018.01.30"]
[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. f4 g6 3. Nf3 Bg7 4. Nc3 Nc6 5. Bc4 e6 6. e5 Nge7 7. d4 cxd4 8. Nxd4 0-0 9. Be3 Nxd4 10. Bxd4 Nf5 11. Bf2 Qc7 12. Bb3 a6 13. 0-0 d6 14. exd6 Nxd6 15. Qf3 Bd7 16. Rad1 Bc6 17. Qe2 Bxc3 18. bxc3 Ne4 19. Qe3 Rad8 20. Rd4 Nf6 21. Rfd1 Ng4 22. Qd2 Rxd4 23. Bxd4 e5 24. fxe5 Nxe5 25. Qf4 Rd8 26. Rf1 Rf8 27. Qxe5 Qxe5 28. Bxe5 1-0

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.01.30"]
[Round "1"]
[White "Bolle, Dietrich"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1/2-1/2"]
[ECO "D93"]
[WhiteElo "1580"]
[BlackElo "1850"]
[PlyCount "51"]
[EventDate "2018.01.30"]
[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. Nf3 Nf6 3. Bf4 g6 4. e3 Bg7 5. Be2 Nbd7 6. c4 dxc4 7. Bxc4 0-0 8. Nc3 c6 9. a3 Nb6 10. Bd3 Bg4 11. h3 Bd7 12. 0-0 Rc8 13. Rc1 Nbd5 14. Bh2 Qb6 15. Qd2 Qd8 16. Ne5 Be6 17. Nf3 Nd7 18. Ng5 Nc7 19. Bxc7 Rxc7 20. Nxe6 fxe6 21. Bc4 Kh8 22. Bxe6 Nc5 23. Ba2 e5 24. Qc2 exd4 25. exd4 Nd7 26. Nb5 1/2-1/2

[Event "Berlin-ch Seniors op 33rd"]
[Site "Berlin"]
[Date "2017.02.06"]
[Round "6"]
[White "Mietzelfeldt, Gerhard"]
[Black "Keusch, Horst"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1827"]
[BlackElo "1943"]
[PlyCount "143"]
[EventDate "2017.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 g6 2. c3 c6 3. d4 d5 4. Bd3 dxe4 5. Bxe4 Nf6 6. Bc2 Bg7 7. Bg5 0-0 8. Ne2 Qd5 9. Bxf6 Bxf6 10. 0-0 Qb5 11. Bb3 Nd7 12. Re1 e5 13. Na3 Qa6 14. Nc2 c5 15. dxc5 Nxc5 16. Nb4 Qa5 17. Bc2 Ne6 18. Ng3 Rd8 19. Qf3 Bg7 20. Rad1 Rb8 21. Ne4 f5 22. Ng3 Ng5 23. Bb3+ Kh8 24. Qe2 Be6 25. h4 Bxb3 26. axb3 Nf7 27. h5 Qb6 28. hxg6 hxg6 29. Qc2 Qe6 30. c4 Bf8 31. Nd5 Bd6 32. Ne2 Kg7 33. Rd3 e4 34. Rdd1 Rh8 35. Nef4 Qe8 36. Re3 Rh6 37. Rh3 Qh8 38. Rxh6 Qxh6 39. Ne6+ Kh8 40. g3 Re8 41. Kg2 Rxe6 42. Rh1 Qxh1+ 43. Kxh1 g5 44. Kg2 Kg7 45. c5 Be5 46. b4 Rh6 47. b5 Nd8 48. Qc4 a6 49. bxa6 Rxa6 50. Ne3 Kf6 51. Nd5+ Kg6 52. Nb4 Re6 53. Qd5 Bf6 54. Nc2 f4 55. g4 Re8 56. b4 f3+ 57. Kf1 Nf7 58. Qf5+ Kg7 59. Ne3 Ra8 60. Ke1 Bc3+ 61. Kd1 Ra2 62. Qxe4 Rxf2 63. Nf5+ Kf6 64. Nd6 Nxd6 65. cxd6 Rd2+ 66. Kc1 f2 67. Qf5+ Kg7 68. Qxg5+ Kf8 69. Qf5+ Kg7 70. d7 Bxb4 71. Qxf2 Rxd7 72. Qb2+ 1-0

[Event "Berlin-ch Seniors op 33rd"]
[Site "Berlin"]
[Date "2017.02.04"]
[Round "5"]
[White "Willin, Bernhard"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1/2-1/2"]
[ECO "D70"]
[WhiteElo "1959"]
[BlackElo "1827"]
[PlyCount "51"]
[EventDate "2017.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 g6 5. Bd3 Bg7 6. 0-0 0-0 7. b3 Re8 8. Bb2 Bg4 9. Nbd2 Nbd7 10. h3 Bxf3 11. Qxf3 e5 12. dxe5 Nxe5 13. Qe2 Nxd3 14. Qxd3 Re6 15. Rfd1 Qe7 16. Rac1 Rd8 17. Nf3 Ne8 18. Qc2 Nc7 19. Bxg7 Kxg7 20. Rd2 dxc4 21. Rxd8 Qxd8 22. Qxc4 Rd6 23. Nd4 Qf6 24. Qe2 Rd5 25. Qf3 Qe7 26. Rb1 1/2-1/2

[Event "Berlin-ch Seniors op 33rd"]
[Site "Berlin"]
[Date "2017.02.03"]
[Round "4"]
[White "Mietzelfeldt, Gerhard"]
[Black "Rollwitz, Juergen"]
[Result "1/2-1/2"]
[ECO "C24"]
[WhiteElo "1827"]
[BlackElo "1931"]
[PlyCount "36"]
[EventDate "2017.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. d3 Nf6 5. Be3 c6 6. 0-0 0-0 7. h3 Qc7 8. Bb3 b6 9. c4 Nbd7 10. Nc3 Nc5 11. Bc2 Ne6 12. d4 Ba6 13. Bd3 Nd7 14. Rc1 exd4 15. Nxd4 Nxd4 16. Bxd4 Ne5 17. b3 Qd8 18. Bb1 Bc8 1/2-1/2

[Event "Berlin-ch Seniors op 33rd"]
[Site "Berlin"]
[Date "2017.02.02"]
[Round "3"]
[White "Schroeder, Wolfgang1111"]
[Black "Mietzelfeldt, Gerhard"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1668"]
[BlackElo "1827"]
[PlyCount "122"]
[EventDate "2017.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 Nf6 5. Bg5 Be7 6. e3 0-0 7. cxd5 exd5 8. Qc2 h6 9. Bh4 Re8 10. Bd3 Nbd7 11. 0-0 Nf8 12. h3 Nh5 13. Bxe7 Qxe7 14. Ne5 Nf6 15. Rae1 N8d7 16. f4 Nf8 17. e4 dxe4 18. Nxe4 Nd5 19. f5 Nb4 20. Qb3 Nxd3 21. Nxd3 Qd7 22. Qb4 b6 23. Qd6 Qxd6 24. Nxd6 Rd8 25. Nxc8 Raxc8 26. Rf4 c5 27. Rc1 c4 28. Ne5 b5 29. Rc3 Nd7 30. Nxd7 Rxd7 31. Kf2 b4 32. Rc1 a5 33. Ke3 Kf8 34. Re4 Rdc7 35. Re5 Re7 36. Rxe7 Kxe7 37. g4 Kd6 38. Ke4 Re8+ 39. Kf3 Kd5 40. b3 c3 41. a3 Re4 42. axb4 axb4 43. Ra1 Re7 44. Rd1 Ra7 45. Ke3 Ra2 46. Kd3 Rb2 47. Re1 Rxb3 48. Re5+ Kd6 49. Re2 f6 50. h4 Kd5 51. Re7 Rb2 52. Rd7+ Kc6 53. Rxg7 Rd2+ 54. Ke3 b3 55. Rg8 b2 56. Rc8+ Kd7 57. Rxc3 b1Q 58. Kxd2 Qe4 59. g5 hxg5 60. hxg5 fxg5 61. f6 Qf4+ 0-1

[Event "Berlin-ch Seniors op 33rd"]
[Site "Berlin"]
[Date "2017.02.01"]
[Round "2"]
[White "Mietzelfeldt, Gerhard"]
[Black "Schulz, Hartmut"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1827"]
[BlackElo "2059"]
[PlyCount "78"]
[EventDate "2017.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. f3 Bh5 8. Nd2 e6 9. Nb3 Bd6 10. Bxd6 Qxd6 11. Ne2 Bg6 12. 0-0 Bxd3 13. Qxd3 0-0 14. Rae1 Rab8 15. Qd2 Nd7 16. f4 g6 17. Ng3 Rfe8 18. Nc1 b5 19. b4 a5 20. a3 Nb6 21. Nd3 Nc4 22. Qc1 axb4 23. axb4 Ne7 24. Ne5 Rec8 25. Rf3 Nf5 26. Nxf5 exf5 27. g4 fxg4 28. Nxg4 f5 29. Ne5 Ra8 30. Qc2 Nxe5 31. fxe5 Qxb4 32. Qd2 Qe7 33. Qg2 Qe6 34. Ref1 Kh8 35. h4 Rc4 36. h5 Rg8 37. Kh2 b4 38. Qb2 bxc3 39. Rxc3 Rxd4 0-1

[Event "Berlin-ch Seniors op 33rd"]
[Site "Berlin"]
[Date "2017.01.31"]
[Round "1"]
[White "Kammler, Hans Joachim"]
[Black "Mietzelfeldt, Gerhard"]
[Result "0-1"]
[ECO "C62"]
[WhiteElo "1477"]
[BlackElo "1827"]
[PlyCount "44"]
[EventDate "2017.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. h3 Bd7 5. c3 Be7 6. d3 Nf6 7. Be3 0-0 8. Ba4 h6 9. Nbd2 Nh7 10. Bb3 Kh8 11. Qe2 a5 12. a4 f5 13. Bd5 f4 14. 0-0-0 fxe3 15. fxe3 Nf6 16. Nh4 Be8 17. Be6 Nh5 18. Nf5 Rxf5 19. exf5 Ng3 20. Qg4 Nxh1 21. Ne4 d5 22. f6 Bxf6 0-1

[Event "Berlin-ch Seniors op 32nd"]
[Site "Berlin"]
[Date "2016.02.04"]
[Round "9"]
[White "Sattler, Guenther"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "1703"]
[BlackElo "1853"]
[PlyCount "100"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d6 3. e3 g6 4. c4 Bg7 5. Be2 0-0 6. 0-0 Re8 7. Nc3 Nbd7 8. b4 c6 9. a4 e5 10. Rb1 exd4 11. exd4 Nf8 12. Be3 h6 13. h3 Bf5 14. Bd3 Bxd3 15. Qxd3 a6 16. a5 Qd7 17. Na4 Qe7 18. Nb6 Rad8 19. Rfe1 Qe4 20. Qc3 Qf5 21. Qc1 g5 22. Nh2 Ng6 23. g4 Qe4 24. Na4 Nh4 25. f3 Nxf3+ 26. Nxf3 Qxf3 27. Kh2 Nd7 28. Rb2 Qf6 29. Rf2 Qg6 30. Rf5 Re6 31. Ref1 f6 32. Nc3 Rde8 33. Nd1 R8e7 34. Re1 Qe8 35. Rf3 Re4 36. Kg3 Rxd4 37. Bxd4 Rxe1 38. Bf2 Re4 39. Re3 Qe5+ 40. Kg2 Rxe3 41. Qxe3 Qxe3 42. Nxe3 Ne5 43. Bg3 Kf7 44. Bxe5 fxe5 45. Kf3 Ke6 46. Ke4 Bf8 47. Kd3 d5 48. c5 e4+ 49. Ke2 Bg7 50. Nf5 Bf8 1/2-1/2

[Event "Berlin-ch Seniors op 32nd"]
[Site "Berlin"]
[Date "2016.02.03"]
[Round "8"]
[White "Mietzelfeldt, Gerhard"]
[Black "Huelle, Gunter"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1853"]
[BlackElo "1706"]
[PlyCount "80"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. f4 d5 3. exd5 exd5 4. Nf3 Bd6 5. d4 Ne7 6. Bd3 Bf5 7. 0-0 0-0 8. Ne5 f6 9. Nf3 Qd7 10. Nc3 c6 11. Nh4 Bxd3 12. Qxd3 f5 13. Bd2 Na6 14. a3 Nc7 15. Rae1 Rae8 16. Nf3 Ng6 17. Ne5 Bxe5 18. dxe5 Ne6 19. g3 d4 20. Ne2 Rd8 21. b4 b6 22. Rd1 Kh8 23. Be3 c5 24. c3 Qa4 25. cxd4 cxd4 26. Bf2 Ne7 27. Rc1 b5 28. Rfd1 a5 29. Be1 Nd5 30. bxa5 Ne3 31. Bb4 Nxd1 32. Bxf8 Rxf8 33. Qxd1 Qxa3 34. Ra1 Qe3+ 35. Kf1 Qf3+ 36. Ke1 d3 37. Kd2 dxe2 38. Qxe2 Rd8+ 39. Ke1 Qc3+ 40. Kf2 Qxa1 0-1

[Event "Berlin-ch Seniors op 32nd"]
[Site "Berlin"]
[Date "2016.02.02"]
[Round "7"]
[White "Mayer, Herbert"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "1965"]
[BlackElo "1853"]
[PlyCount "79"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. f4 g6 2. Nf3 Bg7 3. e3 d6 4. Be2 Nc6 5. 0-0 Nf6 6. b3 0-0 7. Bb2 Bd7 8. c4 Re8 9. Nc3 a6 10. d3 Na7 11. Qd2 c5 12. e4 Bc6 13. Nh4 Nd7 14. f5 e5 15. fxg6 fxg6 16. Nf3 Nb6 17. Nd5 Nxd5 18. cxd5 Bd7 19. Qe1 b5 20. Bc1 Rf8 21. Qg3 b4 22. Be3 Nb5 23. Bg5 Bf6 24. Bh6 Bg7 25. Bd2 Ra7 26. Ng5 Rxf1+ 27. Rxf1 Bc8 28. Bg4 Nd4 29. Qh3 Bf6 30. Be6+ Bxe6 31. Nxe6 Qe7 32. Nxd4 exd4 33. Bh6 Ra8 34. Qg4 Re8 35. Rf3 Qe5 36. Bf4 Qe7 37. Bh6 Qe5 38. Qd7 Qe7 39. Qc6 Bg5 40. Bxg5 1-0

[Event "Berlin-ch Seniors op 32nd"]
[Site "Berlin"]
[Date "2016.02.01"]
[Round "6"]
[White "Mietzelfeldt, Gerhard"]
[Black "Schlicht, Werner"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1853"]
[BlackElo "1626"]
[PlyCount "96"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 b6 7. Be2 Ba6 8. b3 0-0 9. Qc2 h6 10. Bf4 Rc8 11. 0-0 c5 12. dxc5 Nxc5 13. Rfd1 Bb7 14. Qb2 Qe8 15. Rac1 dxc4 16. Bxc4 Bxf3 17. gxf3 a6 18. Qe2 b5 19. Nxb5 axb5 20. Bxb5 Ncd7 21. e4 Rxc1 22. Bxc1 Qc8 23. Be3 Rd8 24. a4 Bb4 25. Rc1 Qb8 26. Rc4 Qd6 27. f4 Qf8 28. Qc2 Rb8 29. h3 Ba5 30. Rc6 Qd8 31. Qc4 Nb6 32. Qc2 Rc8 33. Rxc8 Qxc8 34. Qxc8+ Nxc8 35. f3 Nd6 36. Bc6 Nfe8 37. Bc5 f6 38. e5 Bc7 39. exd6 Nxd6 40. Bb4 Nf7 41. Bd2 Kf8 42. a5 Ke7 43. Kf2 Kd6 44. Be8 Nd8 45. b4 Nc6 46. Ke3 e5 47. Bc3 Kd5 48. Bxc6+ Kxc6 1-0

[Event "Berlin-ch Seniors op 32nd"]
[Site "Berlin"]
[Date "2016.01.30"]
[Round "5"]
[White "Krueger, Detlef"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1/2-1/2"]
[ECO "C21"]
[WhiteElo "1746"]
[BlackElo "1853"]
[PlyCount "36"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Bc4 d6 4. c3 Nf6 5. Bg5 Be7 6. Bxf6 Bxf6 7. cxd4 0-0 8. Nc3 c6 9. a4 g6 10. Nge2 Bg7 11. Qb3 Qb6 12. Qxb6 axb6 13. 0-0 Na6 14. Rac1 Nc7 15. Rfe1 Bd7 16. b3 Rfe8 17. f3 Re7 18. d5 c5 1/2-1/2

[Event "Berlin-ch Seniors op 32nd"]
[Site "Berlin"]
[Date "2016.01.29"]
[Round "4"]
[White "Mietzelfeldt, Gerhard"]
[Black "Tuertmann, Dieter"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1853"]
[BlackElo "2015"]
[PlyCount "90"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 e6 4. c4 cxd4 5. Nxd4 d6 6. Nc3 Nf6 7. Bd3 Bd7 8. 0-0 Nc6 9. Nxc6 Bxc6 10. Be3 Be7 11. f3 0-0 12. Qb3 Nd7 13. Qc2 Qc7 14. Rab1 b6 15. Rfd1 Rfc8 16. Qe2 Ne5 17. b3 Nxd3 18. Qxd3 Rab8 19. Rbc1 Qb7 20. Ne2 Rd8 21. Nd4 Be8 22. Rc2 Rd7 23. Rcd2 b5 24. cxb5 axb5 25. a4 bxa4 26. bxa4 d5 27. e5 Rc7 28. Ra2 Rc4 29. Rda1 Qa6 30. Qd1 Bc5 31. a5 Qa7 32. Kf2 Rbb4 33. Nc2 Bxe3+ 34. Nxe3 Rc3 35. Re2 Rbb3 36. Qd2 d4 37. Ng4 d3+ 38. Qe3 Qxe3+ 39. Rxe3 Bb5 40. Ree1 h5 41. Ne3 d2 42. Red1 Rxe3 43. a6 Ra3 44. a7 Bc6 45. Rxa3 Rxa3 0-1

[Event "Berlin-ch Seniors op 32nd"]
[Site "Berlin"]
[Date "2016.01.28"]
[Round "3"]
[White "Prix, Siegfried"]
[Black "Mietzelfeldt, Gerhard"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1699"]
[BlackElo "1853"]
[PlyCount "154"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 exd4 5. Nxd4 d6 6. Be3 Nf6 7. f3 0-0 8. 0-0 a6 9. Nc3 Bd7 10. Qd2 Re8 11. Rad1 Nxd4 12. Qxd4 Bc6 13. Bb3 Nd7 14. Nd5 Bf8 15. Qd2 Be7 16. Rfe1 Nf6 17. Nxe7+ Rxe7 18. Bg5 Re5 19. Bf4 Re8 20. Bg5 h6 21. Bh4 Re5 22. Bg3 Re8 23. Bh4 Re5 24. Qd4 g5 25. Bg3 Re8 26. Qc4 Qd7 27. Qd4 Nh5 28. Qf2 Nxg3 29. Qxg3 Qe7 30. Bd5 Qf6 31. Bxc6 bxc6 32. c3 a5 33. Qf2 Qe5 34. Qd4 Qxd4+ 35. cxd4 Reb8 36. Rd2 Kf8 37. Rc1 Rb6 38. Rc3 Ke7 39. Rdc2 Kd7 40. b3 Raa6 41. Kf2 Rb4 42. Ke3 a4 43. bxa4 Rbxa4 44. g3 Rxa2 45. e5 Rxc2 46. Rxc2 d5 47. f4 Ra3+ 48. Ke2 gxf4 49. gxf4 Rh3 50. Ke1 Rf3 51. Rf2 Ra3 52. f5 Rc3 53. Kd2 Rc4 54. Kd3 Ra4 55. Ke3 c5 56. dxc5 Re4+ 57. Kd3 Rxe5 58. Kd4 f6 59. Rf4 h5 60. h3 c6 61. Kd3 Ke7 62. Rf1 Kf7 63. Ra1 Rxf5 64. Ra6 Rf3+ 65. Kd4 Rxh3 66. Rxc6 Rh1 67. Kxd5 h4 68. Rc7+ Kg6 69. Rc8 h3 70. Rh8 h2 71. Kc6 f5 72. Kc7 f4 73. c6 f3 74. Kd7 Rd1+ 75. Ke8 h1Q 76. Rxh1 Rxh1 77. c7 Rc1 0-1

[Event "Berlin-ch Seniors op 32nd"]
[Site "Berlin"]
[Date "2016.01.27"]
[Round "2"]
[White "Mietzelfeldt, Gerhard"]
[Black "Badestein, Hartmut"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1853"]
[BlackElo "2033"]
[PlyCount "80"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 Be7 10. Bf4 0-0 11. Qe2 Bb7 12. a4 a5 13. Nb5 d4 14. f3 Bc5 15. Qe5 Qd5 16. Qe2 Rac8 17. Rfe1 Bb4 18. Red1 Qd7 19. Be5 Bc5 20. Qf2 Rfd8 21. Qh4 Qe7 22. Bxf6 Qxf6 23. Bxh7+ Kf8 24. Qxf6 gxf6 25. Bd3 Ke7 26. Kf2 f5 27. g3 Kf6 28. h4 e5 29. Kg2 e4 30. fxe4 fxe4 31. Rf1+ Kg7 32. Bc4 Rd7 33. Kh2 Bd5 34. Be2 Bb6 35. c3 d3 36. Bg4 Be6 37. Bxe6 fxe6 38. Kg2 e3 39. Kf3 Rf8+ 40. Ke4 Rxf1 0-1

[Event "Berlin-ch Seniors op 32nd"]
[Site "Berlin"]
[Date "2016.01.26"]
[Round "1"]
[White "David, Heinz Dieter"]
[Black "Mietzelfeldt, Gerhard"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1575"]
[BlackElo "1853"]
[PlyCount "48"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d3 Be7 5. Be2 0-0 6. h3 d6 7. a3 h6 8. Bd2 a6 9. Qc1 Nh7 10. Nd5 f5 11. Nxe7+ Qxe7 12. exf5 Bxf5 13. g4 Bd7 14. g5 Nd4 15. Nxd4 exd4 16. gxh6 Rae8 17. Qd1 Qh4 18. Rh2 Bg4 19. c3 Rxe2+ 20. Qxe2 Bxe2 21. Kxe2 Qh5+ 22. Kf1 Rf3 23. Kg2 Rxd3 24. Bf4 Qf3+ 0-1

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.02.07"]
[Round "9"]
[White "Mietzelfeldt, Gerhard"]
[Black "Oppermann, Peter"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1601"]
[BlackElo "1812"]
[PlyCount "56"]
[EventDate "2015.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. exd5 exd5 4. d4 Be7 5. Nf3 Nf6 6. Be2 0-0 7. 0-0 Nbd7 8. h3 Re8 9. Be3 c6 10. Qd2 Bb4 11. a3 Ne4 12. Qe1 Bxc3 13. bxc3 f5 14. c4 Ndf6 15. Ne5 Be6 16. c5 Nd7 17. Bf4 Nxe5 18. Bxe5 Bf7 19. f4 g5 20. Qb4 b6 21. cxb6 axb6 22. Kh2 c5 23. Qb2 g4 24. Bb5 Re6 25. dxc5 bxc5 26. c4 d4 27. g3 Rh6 28. h4 Nxg3 0-1

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.02.06"]
[Round "8"]
[White "Junghaenel, Dieter"]
[Black "Mietzelfeldt, Gerhard"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1467"]
[BlackElo "1601"]
[PlyCount "136"]
[EventDate "2015.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 g6 2. d3 Bg7 3. Nbd2 d5 4. g3 Nf6 5. Bg2 0-0 6. 0-0 Re8 7. Re1 Nbd7 8. d4 c6 9. c3 e5 10. dxe5 Nxe5 11. Nxe5 Rxe5 12. f4 Re7 13. Nf3 Bf5 14. Nd4 Qd7 15. Nxf5 Qxf5 16. e3 Rae8 17. h3 Ne4 18. g4 Qc8 19. Bxe4 dxe4 20. Qe2 Rd8 21. Bd2 Rd3 22. Qg2 Qe6 23. Re2 Red7 24. Be1 Qd5 25. Kh2 Kh8 26. Rc1 f5 27. c4 Qe6 28. g5 Rd1 29. Rcc2 R7d3 30. Bb4 Kg8 31. b3 Qd7 32. Kg3 b6 33. h4 a5 34. Bd2 Qa7 35. Qh2 a4 36. b4 a3 37. h5 Qa4 38. Be1 Qa7 39. h6 Bb2 40. Qf2 Qd7 41. Kg2 Kf7 42. Rcd2 R1xd2 43. Bxd2 b5 44. cxb5 cxb5 45. Be1 Ke6 46. Rc2 Qb7 47. Qe2 Kd7 48. Rc5 Rd5 49. Rxd5+ Qxd5 50. Qd2 Qxd2+ 51. Bxd2 Kc6 52. Kf2 Kd5 53. Ke2 Kc4 54. Kd1 Bc3 55. Bc1 Bxb4 56. Kc2 Bc5 57. Bd2 Bd6 58. Bc1 Bb4 59. Bd2 Bc5 60. Bc1 Bb4 61. Bd2 Bxd2 62. Kxd2 b4 63. Kc2 Kb5 64. Kb3 Kc5 65. Kc2 Kc4 66. Kc1 b3 67. Kb1 bxa2+ 68. Kxa2 Kd3 0-1

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.02.05"]
[Round "7"]
[White "Mietzelfeldt, Gerhard"]
[Black "Hartmann, Hans"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1601"]
[BlackElo "1776"]
[PlyCount "42"]
[EventDate "2015.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Bf5 4. Bf4 Nf6 5. e3 e6 6. Nf3 h6 7. Be2 dxc4 8. Bxc4 Nbd7 9. 0-0 Nh5 10. Bg3 Nxg3 11. hxg3 Qc7 12. Rc1 Bg4 13. Be2 a6 14. Qb3 Qb6 15. Qc2 Be7 16. Nd2 Bxe2 17. Nxe2 0-0 18. Nf4 Rac8 19. Qb3 Qxb3 20. Nxb3 c5 21. dxc5 Nxc5 1/2-1/2

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.02.04"]
[Round "6"]
[White "Lohse, Steffen"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1906"]
[BlackElo "1601"]
[PlyCount "83"]
[EventDate "2015.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. e3 g6 3. c3 Bg7 4. f4 Nf6 5. Bd3 Ne4 6. Nd2 Nxd2 7. Bxd2 e6 8. Nf3 Nd7 9. Qe2 c5 10. b3 0-0 11. 0-0 b6 12. Be1 Bb7 13. Bh4 Qc7 14. Ne5 Nf6 15. Rac1 Ne4 16. Nf3 h6 17. Nd2 Rac8 18. Nxe4 dxe4 19. Bc4 Bd5 20. Bg3 Qd7 21. Bb5 Bc6 22. Bxc6 Qxc6 23. Bf2 f5 24. g4 b5 25. h3 a6 26. Rfd1 Rfd8 27. dxc5 Qxc5 28. Rxd8+ Rxd8 29. c4 Rd3 30. Rd1 bxc4 31. bxc4 Qxc4 32. Rb1 Qc7 33. a4 Bf8 34. Qb2 Qd7 35. Qf6 Qf7 36. Qe5 Rd5 37. Qc3 Rc5 38. Qd4 Rd5 39. Qc3 a5 40. Rb8 Rc5 41. Qxc5 Kg7 42. Qe5+ 1-0

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.02.03"]
[Round "5"]
[White "Mietzelfeldt, Gerhard"]
[Black "Daebel, Hasso"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1601"]
[BlackElo "1436"]
[PlyCount "106"]
[EventDate "2015.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. f4 d6 3. Nf3 g6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. 0-0 Bg7 7. d3 Nc6 8. c3 e6 9. Be3 Nge7 10. d4 cxd4 11. Nxd4 0-0 12. Nd2 a6 13. N2f3 Rad8 14. Qb3 b5 15. Rad1 Na5 16. Qc2 Nc4 17. Bc1 d5 18. exd5 Nxd5 19. Rfe1 Qc8 20. Qe2 Qd7 21. Ne5 Nxe5 22. fxe5 Qc7 23. Nf3 Nb6 24. Bg5 Rd5 25. Rxd5 Nxd5 26. Qd2 Qc4 27. a3 Qc7 28. Bh6 Re8 29. Bxg7 Kxg7 30. Qd4 Rc8 31. Nd2 Qc5 32. Qxc5 Rxc5 33. Ne4 Rc7 34. g3 h6 35. Kf2 Nb6 36. Nd6 Kf8 37. Kf3 Ke7 38. Rd1 Rd7 39. b3 a5 40. Rd4 b4 41. cxb4 axb4 42. Rxb4 Nd5 43. Rb7 f6 44. Rxd7+ Kxd7 45. Nc4 f5 46. b4 g5 47. g4 f4 48. Nd2 Ne3 49. Ne4 Ke7 50. Nd2 Kd7 51. h4 Kc6 52. hxg5 hxg5 53. Ne4 Kd5 1-0

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.02.02"]
[Round "4"]
[White "Albinus, Guenter"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1818"]
[BlackElo "1601"]
[PlyCount "119"]
[EventDate "2015.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 f5 2. d3 e6 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. c3 Nc6 7. Qc2 Rb8 8. Nbd2 b6 9. Re1 Bb7 10. e4 fxe4 11. dxe4 e5 12. Nc4 d6 13. Be3 Nxe4 14. Nfxe5 Nxe5 15. Nxe5 Nc5 16. Nc6 Bxc6 17. Bxc6 Bf6 18. Rad1 Nd7 19. f4 Re8 20. Qa4 Re7 21. Qxa7 Nf8 22. Qa4 Kh8 23. Qc2 Qc8 24. Re2 Qg4 25. Rde1 Ng6 26. Rg2 Rd8 27. Qe2 Qf5 28. Ba4 Ra8 29. Bc2 Qd7 30. a3 Rae8 31. Qd3 Qg4 32. Bd1 Qd7 33. Rge2 b5 34. Bf2 c6 35. Bc5 Rxe2 36. Rxe2 Rxe2 37. Bxe2 d5 38. Qf3 Ne7 39. Qg4 Qc7 40. Bd3 g6 41. Qe6 Kg7 42. Bd6 Qc8 43. Qxc8 Nxc8 44. Bc5 Kf7 45. Kf2 Ke6 46. Kf3 Nd6 47. g4 Kd7 48. f5 g5 49. Bd4 Ke7 50. Ke3 Nb7 51. b3 h6 52. c4 Bxd4+ 53. Kxd4 dxc4 54. bxc4 bxc4 55. Bxc4 Kd6 56. f6 c5+ 57. Ke4 Na5 58. f7 Ke7 59. Bd5 c4 60. Kd4 1-0

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.01.31"]
[Round "3"]
[White "Mietzelfeldt, Gerhard"]
[Black "Graubaum, Hans Joachim"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "1601"]
[BlackElo "1991"]
[PlyCount "135"]
[EventDate "2015.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. Bd2 0-0 9. 0-0 Re8 10. h3 Bxc3 11. Bxc3 Nxe4 12. Be1 Nf6 13. f3 h6 14. Bf2 a5 15. Re1 Ba6 16. Bxa6 Rxa6 17. Qd3 Ra8 18. Qc3 Qd6 19. a4 Re6 20. Rxe6 fxe6 21. Bg3 Qd7 22. Re1 Kf8 23. b3 Ne8 24. Rd1 Nd6 25. Re1 Nf5 26. Bf2 Nd6 27. Re2 Nb7 28. Qe5 Re8 29. Bd4 Kg8 30. Bc3 c5 31. Be1 Nd6 32. Bxa5 c4 33. Be1 c5 34. Bg3 Nf5 35. Bf2 Qc6 36. g4 Nd6 37. Bg3 Nf7 38. Qc7 Qxc7 39. Bxc7 cxb3 40. cxb3 Rc8 41. Bb6 Rc6 42. a5 e5 43. Rc2 c4 44. bxc4 dxc4 45. Kf2 Kf8 46. Ke2 Ke7 47. Be3 Kd6 48. Bd2 Kc5 49. Bc3 Kb5 50. Rd2 Rc7 51. h4 Re7 52. Ke3 Kc6 53. Ke4 Re6 54. Ke3 Nd6 55. Ra2 Nb5 56. Bb4 Kb7 57. a6+ Rxa6 58. Rxa6 Kxa6 59. Bf8 c3 60. Kd3 c2 61. Kxc2 Nd4+ 62. Kd3 Nxf3 63. Bxg7 Nxh4 64. Bxh6 Kb7 65. Ke4 Kc8 66. Kxe5 Kd7 67. Bg5 Nf3+ 68. Kf4 1/2-1/2

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.01.30"]
[Round "2"]
[White "Steppan, Siegfried"]
[Black "Mietzelfeldt, Gerhard"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1439"]
[BlackElo "1601"]
[PlyCount "84"]
[EventDate "2015.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. e3 0-0 6. Bd3 d6 7. 0-0 Nbd7 8. Qb3 h6 9. c5+ Kh7 10. cxd6 cxd6 11. Bd2 e5 12. e4 exd4 13. exf5 dxc3 14. fxg6+ Kh8 15. Bxc3 Nc5 16. Qc2 Nxd3 17. Qxd3 Ng4 18. Bxg7+ Kxg7 19. h3 Bf5 20. Qd4+ Nf6 21. Nh4 Bxg6 22. Nxg6 Kxg6 23. Qd3+ Kg7 24. Qg3+ Kh8 25. Qg6 Ng8 26. Rac1 Qf6 27. Qc2 Rac8 28. Qd2 Rxc1 29. Rxc1 Rf7 30. Rc3 Qf4 31. Qc2 Re7 32. Qd1 Re4 33. Rc7 Re7 34. Rc3 Qe5 35. Re3 Qf6 36. Rc3 Qe6 37. Re3 Qd7 38. Qd4+ Rg7 39. Rg3 Qe7 40. Rc3 Qf6 41. Qd2 Qg5 42. g3 Qf6 0-1

[Event "Berlin-ch Seniors op 31st"]
[Site "Berlin"]
[Date "2015.01.29"]
[Round "1"]
[White "Mietzelfeldt, Gerhard"]
[Black "Allgaier, Erik"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1601"]
[BlackElo "2033"]
[PlyCount "76"]
[EventDate "2015.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 g6 3. Bc4 Bg7 4. Nge2 a6 5. a3 Nf6 6. d3 Nbd7 7. Bg5 h6 8. Be3 Ne5 9. Bb3 c5 10. f4 Nc6 11. 0-0 Qb6 12. Na4 Qc7 13. Qc1 Ng4 14. Bd2 Nd4 15. Nac3 Nxb3 16. cxb3 e6 17. h3 Nf6 18. Ng3 Bd7 19. f5 Qb6 20. fxg6 fxg6 21. Nce2 Qxb3 22. Bc3 e5 23. Qe3 0-0 24. Rf3 Rf7 25. Raf1 Raf8 26. Nc1 Qe6 27. b4 b6 28. R1f2 Bb5 29. Rb2 Nh7 30. Rxf7 Rxf7 31. bxc5 bxc5 32. Nb3 Ng5 33. Na5 Qc8 34. h4 Ne6 35. Ne2 Nd4 36. g3 Kh7 37. Nc4 Bxc4 38. dxc4 Qe6 0-1

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.02.06"]
[Round "8"]
[White "Mietzelfeldt, Gerhard"]
[Black "Kothe, Manfred"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1688"]
[BlackElo "1856"]
[PlyCount "39"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. c3 a6 7. 0-0 Qc7 8. f4 Qb6 9. Qe2 e5 10. fxe5 Nxd4 11. cxd4 Qxd4+ 12. Be3 Qxe5 13. Bf4 Bc5+ 14. Kh1 Qh5 15. Qxh5 Nxh5 16. Be5 d6 17. Bc3 0-0 18. Nd2 b5 19. b3 Bd7 20. Be2 1/2-1/2

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.02.05"]
[Round "7"]
[White "Maetzing, Hans Dieter"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1843"]
[BlackElo "1688"]
[PlyCount "43"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nc3 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. g3 Nf6 6. Bg5 h6 7. Bxf6 gxf6 8. Bg2 Bd7 9. e4 Bg7 10. Nf5 Bf8 11. 0-0 Qa5 12. a3 Bxf5 13. exf5 Qxf5 14. Re1 0-0-0 15. Be4 Qg5 16. h4 Qc5 17. Nd5 Kb8 18. Bg2 f5 19. b4 Qd4 20. Qf3 e6 21. Rad1 Qg4 22. Qxg4 1/2-1/2

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.02.04"]
[Round "6"]
[White "Mietzelfeldt, Gerhard"]
[Black "Kasper, Peter"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1688"]
[BlackElo "1587"]
[PlyCount "51"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 h6 6. 0-0 Nd7 7. Be3 Qb6 8. b3 c5 9. c4 dxc4 10. Bxc4 Bg4 11. Nbd2 cxd4 12. Bxd4 Qxd4 13. Nxd4 Bxd1 14. Rfxd1 Nxe5 15. Bb5+ Nd7 16. Ne4 a6 17. Bxd7+ Kxd7 18. Rac1 Ne7 19. Nc5+ Kc7 20. Ncxe6+ Kb6 21. Nc5 Nc6 22. Nd7+ Kc7 23. Ne5 Ba3 24. Rc2 Rhd8 25. Nexc6 Rd6 26. Ne5+ 1-0

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.02.03"]
[Round "5"]
[White "Mietzelfeldt, Gerhard"]
[Black "Grabinger, Hartmut"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1688"]
[BlackElo "1897"]
[PlyCount "64"]
[EventDate "2014.01.30"]
[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. f4 Nc6 3. Nf3 g6 4. c3 d5 5. exd5 Qxd5 6. d3 Bg7 7. Be3 e5 8. Qb3 Qd6 9. Ng5 Nh6 10. Ne4 Qc7 11. Bxc5 Nf5 12. Qa3 exf4 13. Nd6+ Kd8 14. Nxf7+ Qxf7 15. Nd2 Bf8 16. 0-0-0 Ne3 17. Re1 Bxc5 18. Qxc5 Qd5 19. Qxd5+ Nxd5 20. Nc4 Re8 21. Be2 Ne3 22. Nd6 Re7 23. Bf3 h5 24. Kd2 Ne5 25. Be4 g5 26. g3 Bh3 27. gxf4 gxf4 28. Rhg1 Bg4 29. Nxb7+ Rxb7 30. Bxb7 Rb8 31. Be4 Rxb2+ 32. Kc1 Rxh2 0-1

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.02.02"]
[Round "4"]
[White "Jaeger, Andre"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1936"]
[BlackElo "1688"]
[PlyCount "17"]
[EventDate "2014.01.30"]
[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. cxd5 cxd5 4. Nc3 g6 5. Bf4 a6 6. Rc1 Bg7 7. Nxd5 e5 8. Nc7+ Ke7 9. dxe5 1-0

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.02.01"]
[Round "3"]
[White "Wolf, Manfred"]
[Black "Mietzelfeldt, Gerhard"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1862"]
[BlackElo "1688"]
[PlyCount "151"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 4. e3 Nbd7 5. Be2 Be7 6. 0-0 c5 7. c4 0-0 8. d3 b6 9. Nbd2 Bb7 10. cxd5 exd5 11. d4 Rc8 12. Rc1 Ne4 13. dxc5 Nxd2 14. Qxd2 bxc5 15. Rfd1 Nf6 16. Qc2 h6 17. Qc3 Qb6 18. Ne5 Ne4 19. Qc2 Rfd8 20. Bd3 Qe6 21. f3 Nd6 22. Qf2 Nf5 23. g4 Nd6 24. f4 Ne4 25. Bxe4 dxe4 26. f5 Qa6 27. Nc4 f6 28. Qc2 Rxd1+ 29. Rxd1 Bc6 30. a4 Rc7 31. Kf2 Qc8 32. Nd6 Qb8 33. Qc4+ Kh7 34. Ba3 Rd7 35. Bxc5 Bxd6 36. Bxa7 Qc7 37. Rc1 Bb7 38. Qxc7 Rxc7 39. Rxc7 Bxc7 40. h3 Bd6 41. Bd4 Kg8 42. Bc3 Kf7 43. b4 Bc6 44. b5 Bd7 45. Bd4 Bb8 46. Bc5 g6 47. h4 gxf5 48. gxf5 h5 49. Kg2 Ke8 50. Bd4 Ke7 51. Bc5+ Kd8 52. Bb6+ Kc8 53. Bd4 Bxf5 54. a5 Be6 55. Bxf6 Bc4 56. b6 Kb7 57. Bc3 Kc6 58. Be1 Ba6 59. Bg3 Bd6 60. Bxd6 Kxd6 61. Kf2 Kd5 62. Kg3 Ke5 63. Kf2 Kf5 64. Kg3 Bc8 65. Kh3 Ke5+ 66. Kg3 Ba6 67. Kf2 Kd5 68. Kg3 Kc4 69. Kf4 Kd3 70. Ke5 Kxe3 71. Kd6 Kf2 72. Kc7 e3 73. b7 Bxb7 74. Kxb7 e2 75. a6 e1Q 76. a7 0-1

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.01.31"]
[Round "2"]
[White "Mietzelfeldt, Gerhard"]
[Black "Kuntosch, Peter"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1688"]
[BlackElo "1200"]
[PlyCount "73"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 b6 6. Be3 Bb7 7. Nc3 Nf6 8. f3 d6 9. 0-0-0 Be7 10. Bc4 c5 11. Bb5+ Kf8 12. Qd2 a6 13. Bc4 b5 14. Bd5 Bxd5 15. Nxd5 Nxd5 16. Qxd5 g6 17. Bh6+ Kg8 18. Bf4 Kg7 19. Bxd6 Bxd6 20. Qxd6 Qxd6 21. Rxd6 Rhd8 22. Rhd1 Rxd6 23. Rxd6 Ra7 24. c4 f6 25. Rc6 b4 26. Rxc5 Kf7 27. Kc2 Ke7 28. Rd5 Ke6 29. Kd3 a5 30. Kd4 a4 31. c5 Ra6 32. Kc4 a3 33. b3 Ra7 34. f4 Rd7 35. Rxd7 Kxd7 36. Kxb4 Kc6 37. Kc4 1-0

[Event "Berlin-ch Seniors op 30th"]
[Site "Berlin"]
[Date "2014.01.30"]
[Round "1"]
[White "Tham, Franz"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1273"]
[BlackElo "1688"]
[PlyCount "68"]
[EventDate "2014.01.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. c4 c6 4. Nc3 Be7 5. cxd5 exd5 6. Bf4 Nf6 7. h3 h6 8. e3 Nbd7 9. Bd3 0-0 10. Rc1 Nb6 11. Ne5 Be6 12. Ng4 Nxg4 13. hxg4 f5 14. Bxh6 gxh6 15. Rxh6 Rf6 16. Rxf6 Bxf6 17. gxf5 Bd7 18. Qg4+ Kf8 19. Ke2 Qe7 20. Rh1 Qg7 21. Qxg7+ Kxg7 22. g4 Rh8 23. Rxh8 Kxh8 24. f4 Be8 25. Kf3 Bh4 26. Nd1 Kg7 27. Nf2 Bf7 28. b3 a5 29. Nh3 a4 30. Ng5 axb3 31. axb3 Bg8 32. Ne6+ Bxe6 33. fxe6 Kf6 34. f5 Bg5 1/2-1/2

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.06"]
[Round "9"]
[White "Kranch, Klaus"]
[Black "Mietzelfeldt, Gerhard"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "1494"]
[BlackElo "1664"]
[PlyCount "94"]
[EventDate "2011.01.29"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 Nbd7 7. Rc1 c5 8. cxd5 Nxd5 9. Bxe7 Nxe7 10. Bd3 b6 11. 0-0 Bb7 12. Ne4 cxd4 13. exd4 Nf5 14. Qe2 Rc8 15. Rc3 Rxc3 16. bxc3 Nf6 17. Nxf6+ Qxf6 18. Be4 Bxe4 19. Qxe4 Qe7 20. Qb1 Rc8 21. Qb3 Qc7 22. Rc1 h6 23. h3 Nd6 24. Nd2 Nc4 25. Nxc4 Qxc4 26. Qxc4 Rxc4 27. Kf1 Kf8 28. Ke2 Ke7 29. Kd3 b5 30. Rb1 a6 31. f4 Kd6 32. g4 Kd5 33. Re1 f6 34. a3 Rc7 35. Re2 Re7 36. a4 Rb7 37. a5 Rc7 38. g5 Rc4 39. gxh6 gxh6 40. Rg2 b4 41. cxb4 Rxd4+ 42. Ke3 Rxb4 43. Rd2+ Kc5 44. h4 Rb5 45. Rc2+ Kd6 46. Rg2 Rxa5 47. Rg6 Rh5 0-1

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.05"]
[Round "8"]
[White "Mietzelfeldt, Gerhard"]
[Black "Bolle, Dietrich"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1664"]
[BlackElo "1387"]
[PlyCount "71"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. f4 d6 3. Nf3 e6 4. Bc4 Nf6 5. Nc3 Nc6 6. 0-0 Qd7 7. d4 cxd4 8. Nxd4 a6 9. Kh1 Be7 10. Be3 0-0 11. Qe2 b5 12. Bb3 b4 13. Na4 Rb8 14. Nxc6 Qxc6 15. e5 dxe5 16. fxe5 Nd5 17. Bd4 a5 18. Rf3 Ba6 19. Qf2 Bb5 20. c4 bxc3 21. Nxc3 Nxc3 22. Rxc3 Qe8 23. Rac1 Bb4 24. Rc7 a4 25. Bc4 Ba5 26. Bxb5 Qxb5 27. R7c5 Qa6 28. Qc2 Bb6 29. Rc6 Qb5 30. Bxb6 Rxb6 31. Rxb6 Qxb6 32. b3 a3 33. h3 g6 34. Rd1 Kg7 35. Rd6 Qe3 36. Qc3 0-1

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.04"]
[Round "7"]
[White "Hiller, Bernd"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1840"]
[BlackElo "1664"]
[PlyCount "112"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Bc4 Be7 4. Nf3 Nf6 5. Nc3 0-0 6. 0-0 h6 7. d3 Nc6 8. Be3 Na5 9. Bb3 c6 10. fxe5 dxe5 11. Nxe5 Nxb3 12. axb3 Bd6 13. Nc4 Bc7 14. Bf4 Bg4 15. Qd2 Nh7 16. Bxc7 Qxc7 17. Qf4 Qc8 18. Ne3 Bh5 19. g4 Bg6 20. Nf5 Qd7 21. h4 f6 22. Rf3 Bf7 23. Rg3 Be6 24. Kh2 Rf7 25. Ne2 Nf8 26. Qe3 Ng6 27. Nf4 Nxf4 28. Qxf4 a6 29. Rag1 g5 30. hxg5 hxg5 31. Qe3 Rh7+ 32. Kg2 Re8 33. Rh3 Bxf5 34. gxf5 Ree7 35. Rgh1 Qd6 36. Rh6 Rxh6 37. Rxh6 Rh7 38. Qxg5+ Rg7 39. Rg6 Rxg6 40. Qxg6+ Kf8 41. Qg3 Qb4 42. Qe3 Qe7 43. Kf2 Qh7 44. Qg3 Qe7 45. Ke2 Ke8 46. c3 Kf8 47. Kd2 Ke8 48. Qf4 Kf8 49. d4 Kg8 50. Qg3+ Kh8 51. Qh4+ Kg8 52. Qg3+ Kh8 53. e5 Qh7 54. exf6 Qh6+ 55. Kd3 Qxf6 56. Qe5 Kg8 1-0

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.03"]
[Round "6"]
[White "Mietzelfeldt, Gerhard"]
[Black "Hoffmann, Peter1111"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1664"]
[BlackElo "1854"]
[PlyCount "40"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. f4 e6 3. Nf3 d5 4. e5 Nc6 5. Be2 Nh6 6. 0-0 Nf5 7. b3 Bd7 8. Nc3 a6 9. Qe1 Nfd4 10. Nxd4 cxd4 11. Nb1 Nb4 12. Qd1 Rc8 13. c3 d3 14. cxb4 dxe2 15. Qxe2 Bxb4 16. Bb2 0-0 17. Bc3 Bb5 18. Qf3 Bxf1 19. Kxf1 Qb6 20. Bxb4 Rc1+ 0-1

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.02"]
[Round "5"]
[White "Koppatsch, Juergen"]
[Black "Mietzelfeldt, Gerhard"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1038"]
[BlackElo "1664"]
[PlyCount "112"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Be7 5. h3 d6 6. d4 exd4 7. Nxd4 Nxd4 8. Qxd4 0-0 9. b4 Re8 10. Bb2 Nxe4 11. 0-0 Nxc3 12. Bxc3 Bf6 13. Qd2 Be6 14. Bd3 Bxc3 15. Qxc3 c6 16. a3 Qg5 17. Bc4 Bxc4 18. Qxc4 Re6 19. Qd4 Qf6 20. Qd3 Rae8 21. Rad1 d5 22. c3 Re2 23. a4 Qe5 24. a5 Qe4 25. Qg3 g6 26. Rc1 h6 27. f3 Qe5 28. Qh4 Qg5 29. Qxg5 hxg5 30. g4 f6 31. Rfd1 Kf7 32. Rf1 Ra2 33. Rfd1 Ree2 34. c4 dxc4 35. Rxc4 Rad2 36. Rcc1 Ke6 37. Kf1 Rf2+ 38. Kg1 Rxd1+ 39. Rxd1 Rxf3 40. Kg2 Rf4 41. Rb1 Kd5 42. b5 c5 43. Kg3 c4 44. h4 c3 45. h5 gxh5 46. gxh5 Kc4 47. h6 Rh4 48. Kf3 c2 49. Rc1 Kd3 50. Kf2 Rxh6 51. Kg2 Kd2 52. Rf1 c1Q 53. Rf2+ Kd3 54. Rf3+ Qe3 55. Rxe3+ Kxe3 56. Kg3 f5 0-1

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.02.01"]
[Round "4"]
[White "Mietzelfeldt, Gerhard"]
[Black "Nietsch, Horst"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1664"]
[BlackElo "1815"]
[PlyCount "96"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d6 2. f4 Nf6 3. Nc3 c6 4. Nf3 e6 5. Bc4 b5 6. Bb3 b4 7. e5 bxc3 8. exf6 cxd2+ 9. Bxd2 Qxf6 10. 0-0 Qxb2 11. Qe1 Qf6 12. Bc3 Qe7 13. Qd2 Nd7 14. Ba4 Bb7 15. Nd4 Rc8 16. Rfe1 Nc5 17. Nf5 Qd7 18. Bb3 d5 19. Nxg7+ Bxg7 20. Bxg7 Rg8 21. Be5 Ne4 22. Qa5 f6 23. Bb2 a6 24. Rad1 Qc7 25. Qxc7 Rxc7 26. Rxe4 dxe4 27. Bxe6 Rf8 28. Bc3 Re7 29. f5 c5 30. Ba5 Rxe6 31. fxe6 Bc8 32. Bb6 Bxe6 33. Bxc5 Rf7 34. Rd6 Bc8 35. c3 f5 36. g3 a5 37. Kf2 Rb7 38. Rd2 Kf7 39. Ke3 Kf6 40. Rd6+ Kg5 41. Ra6 Rd7 42. Rd6 Rc7 43. Bd4 Kg4 44. Be5 Re7 45. Bf4 Kh3 46. Rh6+ Kg2 47. h4 Rd7 48. Rd6 Rxd6 1/2-1/2

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.01.31"]
[Round "3"]
[White "Fiedler, Ronald"]
[Black "Mietzelfeldt, Gerhard"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1512"]
[BlackElo "1664"]
[PlyCount "108"]
[EventDate "2011.01.29"]
[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 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 e6 5. Nf3 Nf6 6. e3 a6 7. Bd3 Bd6 8. 0-0 0-0 9. Qc2 h6 10. Bd2 Nc6 11. Na4 Bd7 12. Nc5 b5 13. Nb7 Qe7 14. Nxd6 Qxd6 15. a3 Rfc8 16. Qd1 Ne4 17. Rc1 b4 18. Bxb4 Nxb4 19. axb4 Qxb4 20. Bxe4 dxe4 21. Qd2 Qb7 22. Rxc8+ Rxc8 23. Ne5 Bb5 24. Rc1 f6 25. Rxc8+ Qxc8 26. Ng6 Kf7 27. Nf4 Qc4 28. h3 g5 29. Nh5 Kg6 30. Ng3 f5 31. Qd1 Ba4 32. Qh5+ Kg7 33. Qe2 Qc1+ 34. Qf1 Qxf1+ 35. Kxf1 Kf7 36. f4 exf3 37. gxf3 Kg6 38. Kf2 h5 39. Ne2 Kf6 40. f4 g4 41. h4 Ke7 42. Ke1 Kd6 43. b4 Bc6 44. Kf2 Kd5 45. Ng3 Be8 46. Ke2 Kc4 47. Kd2 Kxb4 48. d5 exd5 49. Nxf5 Kc5 50. Kc3 Bg6 51. Ng3 a5 52. f5 Bf7 53. Ne2 a4 54. Nf4 Kd6 0-1

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.01.30"]
[Round "2"]
[White "Mietzelfeldt, Gerhard"]
[Black "Krause, Werner1111"]
[Result "1/2-1/2"]
[ECO "C40"]
[WhiteElo "1664"]
[BlackElo "1475"]
[PlyCount "49"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Nc3 fxe4 4. Nxe4 Nf6 5. Nxf6+ Qxf6 6. d3 Nc6 7. Bg5 Qg6 8. Qd2 Bb4 9. c3 Bc5 10. 0-0-0 0-0 11. Re1 d5 12. Nh4 Qf7 13. f3 d4 14. Kb1 Be6 15. a3 Ba2+ 16. Ka1 Na5 17. Qd1 dxc3 18. bxc3 Bb3 19. Qc1 Ba4 20. Qb2 Nb3+ 21. Kb1 Qd5 22. Re4 b5 23. Be2 Qd6 24. Ka2 Qe6 25. Kb1 1/2-1/2

[Event "Berlin-ch Seniors op 27th"]
[Site "Berlin"]
[Date "2011.01.29"]
[Round "1"]
[White "Krug, Peter"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2059"]
[BlackElo "1664"]
[PlyCount "47"]
[EventDate "2011.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. 0-0 Nf6 5. d3 d6 6. c3 0-0 7. Nbd2 h6 8. Re1 Bg4 9. h3 Bh5 10. Nf1 Qd7 11. Ng3 Bg6 12. Nh4 Bh7 13. Nhf5 Na5 14. Nxe7+ Qxe7 15. Bb5 a6 16. Ba4 b5 17. Bc2 c5 18. Qf3 Qd7 19. Bxh6 Nxe4 20. dxe4 gxh6 21. Rad1 Rae8 22. b3 Re6 23. Nf5 Nc6 24. Qg4+ 1-0

[Event "Berlin op 06"]
[Site "Berlin"]
[Date "2004.06.13"]
[Round "4"]
[White "Hahlbohm, Matthias"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2066"]
[BlackElo "1722"]
[PlyCount "49"]
[EventDate "2004.06.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 exd4 5. Nxd4 d6 6. Nxc6 bxc6 7. Bd3 Nf6 8. h3 Nd7 9. 0-0 Nc5 10. Nc3 a5 11. Be2 Ba6 12. Bxa6 Nxa6 13. Be3 0-0 14. Qd2 Re8 15. Rad1 Bf8 16. f3 Qc8 17. Ne2 Qb7 18. b3 Nb8 19. a4 Nd7 20. Ng3 Nb6 21. Bd4 c5 22. Bc3 c4 23. Nf5 Nd7 24. Bxg7 d5 25. Nh6+ 1-0

[Event "Berlin op 06"]
[Site "Berlin"]
[Date "2004.06.13"]
[Round "5"]
[White "Mietzelfeldt, Gerhard"]
[Black "Katic, Vojo"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1722"]
[BlackElo "1540"]
[PlyCount "75"]
[EventDate "2004.06.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Be7 5. Bc4 Nf6 6. Nc3 c5 7. Nde2 0-0 8. 0-0 Nc6 9. a3 a6 10. Ng3 Ne5 11. Bd5 Qb6 12. b3 Rb8 13. h3 Bd7 14. Be3 Qc7 15. Qe2 Qa5 16. Bd2 Qc7 17. Rfb1 b5 18. Nd1 Nc6 19. Ne3 Nd4 20. Qd1 Be6 21. Bc3 Nc6 22. Qe1 Qd7 23. Rd1 Rbd8 24. Rd2 Ne8 25. Rad1 Bf6 26. Bxf6 Nxf6 27. Bxe6 Qxe6 28. Nef5 Ne8 29. Qe3 Na7 30. Qg5 Rd7 31. Rxd6 Rxd6 32. Rxd6 Qc8 33. Ne7+ Kh8 34. Nxc8 Nxc8 35. Rd8 Ncd6 36. Qxc5 Kg8 37. Rxd6 Nxd6 38. Qxd6 1-0

[Event "Berlin op 06"]
[Site "Berlin"]
[Date "2004.06.13"]
[Round "1"]
[White "Mietzelfeldt, Gerhard"]
[Black "Weiss, Meinolf"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1722"]
[BlackElo "1331"]
[PlyCount "75"]
[EventDate "2004.06.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bd7 6. Bg5 Be7 7. Bc4 h6 8. Bh4 a6 9. a3 b5 10. Ba2 Nc6 11. 0-0 Nxd4 12. Qxd4 c5 13. Qd3 Ng4 14. Bg3 Ne5 15. Qd2 Bg4 16. f3 Bh5 17. Rad1 f6 18. Nd5 Bf7 19. f4 Nc6 20. e5 Nd4 21. Qd3 dxe5 22. Qe4 exf4 23. Bxf4 Bxd5 24. Bxd5 Ra7 25. Bc6+ Kf8 26. c3 Qc8 27. cxd4 c4 28. d5 Bc5+ 29. Be3 Bxe3+ 30. Qxe3 Re7 31. Qc5 Kf7 32. Qf2 Re5 33. Rde1 Rxe1 34. Rxe1 Qb8 35. Qc5 Kg6 36. d6 Kh7 37. Qf5+ g6 38. Re7+ 1-0

[Event "Berlin op 06"]
[Site "Berlin"]
[Date "2004.06.12"]
[Round "2"]
[White "Mietzelfeldt, Gerhard"]
[Black "Kiesekamp, Marcos"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1722"]
[BlackElo "2135"]
[PlyCount "20"]
[EventDate "2004.06.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. f4 d5 3. e5 Nc6 4. Nf3 Bf5 5. d4 e6 6. Be3 Qb6 7. dxc5 Qxb2 8. Nd4 Qxa1 9. Nxc6 bxc6 10. Bd4 Qxa2 0-1

[Event "Brandenburg Seniors op 08th"]
[Site "Uckley"]
[Date "1999.09.24"]
[Round "7"]
[White "Mietzelfeldt, Gerhard"]
[Black "Brandt, Fred"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1755"]
[BlackElo "1745"]
[PlyCount "110"]
[EventDate "1999.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. d3 d6 5. a3 Bxc3+ 6. bxc3 0-0 7. Bg5 Bg4 8. Be2 Nbd7 9. 0-0 h6 10. Be3 Re8 11. h3 Bh5 12. c4 Bg6 13. Qd2 Nh7 14. Nh2 Ndf6 15. f4 exf4 16. Rxf4 Nh5 17. Bxh5 Bxh5 18. Raf1 Re6 19. Bd4 Qd7 20. g4 Bg6 21. Qc3 f6 22. Kg2 Rf8 23. R4f2 b6 24. Qd2 Ng5 25. Nf3 Nf7 26. Be3 c6 27. Nd4 Re7 28. Nf5 Bxf5 29. Rxf5 Kh7 30. Qf2 Re5 31. Rxe5 Nxe5 32. g5 h5 33. Qh4 Qf7 34. gxf6 gxf6 35. Rf5 Rg8+ 36. Kf2 Qg6 37. Qxh5+ Kg7 38. Qxg6+ Kxg6 39. Bd4 Nd7 40. Rf3 Rh8 41. Rg3+ Kf7 42. Kg2 Rh5 43. Be3 Ne5 44. Bf4 Rh4 45. Bxe5 dxe5 46. Rg4 Rh5 47. Kg3 c5 48. h4 a6 49. Kh3 b5 50. cxb5 axb5 51. Rg1 Rh8 52. Rb1 Rb8 53. h5 b4 54. axb4 cxb4 55. Kh4 Rc8 1/2-1/2

[Event "Brandenburg Seniors op 08th"]
[Site "Uckley"]
[Date "1999.09.23"]
[Round "6"]
[White "Jahr, Dieter"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2048"]
[BlackElo "1755"]
[PlyCount "127"]
[EventDate "1999.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. e4 d6 4. g3 g6 5. Bg2 Bg7 6. Nge2 Bg4 7. f3 Bd7 8. 0-0 Nf6 9. h3 0-0 10. d3 Nh5 11. g4 Nf6 12. Ng3 Ne8 13. f4 Nd4 14. f5 Bc6 15. Be3 e5 16. Qd2 f6 17. fxg6 hxg6 18. Rab1 a5 19. b3 Nc7 20. Rf2 Nce6 21. Nd5 g5 22. Nf5 Rf7 23. Rbf1 Nf4 24. Bxd4 Bxd5 25. Bxe5 fxe5 26. exd5 Bf8 27. Ng3 Rh7 28. Nh5 Be7 29. Nxf4 exf4 30. d4 b6 31. dxc5 bxc5 32. Re2 Bf6 33. Rfe1 Re7 34. Rxe7 Bxe7 35. Qd3 Kg7 36. Re6 Bf6 37. Qf5 Ra7 38. Be4 Rf7 39. Qg6+ Kf8 40. Qh6+ Bg7 41. Rxd6 Qe8 42. Qg6 f3 43. Qxg5 Re7 44. Qf5+ Rf7 45. Qg5 Re7 46. Re6 Rxe6 47. dxe6 Bd4+ 48. Kf1 Qxe6 49. Qf5+ Qxf5 50. Bxf5 Kf7 51. Be4 f2 52. Bd3 Kf6 53. Kg2 Kg5 54. Kg3 Kf6 55. h4 Ke5 56. g5 Ke6 57. Kg4 Kf7 58. h5 Kg7 59. h6+ Kg8 60. Kh5 Bc3 61. g6 Bf6 62. g7 Kf7 63. Bf1 Bd4 64. Bg2 1-0

[Event "Brandenburg Seniors op 08th"]
[Site "Uckley"]
[Date "1999.09.23"]
[Round "5"]
[White "Meiling, Hermann"]
[Black "Mietzelfeldt, Gerhard"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "1956"]
[BlackElo "1755"]
[PlyCount "56"]
[EventDate "1999.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e4 dxe4 5. Nxe4 Nf6 6. Nc3 Be7 7. Nf3 Nbd7 8. Be2 0-0 9. 0-0 c5 10. Bf4 Nh5 11. Be3 cxd4 12. Nxd4 Nhf6 13. Qc2 Qa5 14. a3 a6 15. b4 Qc7 16. c5 Rd8 17. Rac1 Nf8 18. Bf3 Ng6 19. Na4 e5 20. Nf5 Bxf5 21. Qxf5 Nh4 22. Qh3 Nxf3+ 23. Qxf3 Rd3 24. c6 e4 25. cxb7 Qxb7 26. Qf4 Bd6 27. Qf5 Rd5 28. Qh3 Rh5 0-1

[Event "Brandenburg Seniors op 08th"]
[Site "Uckley"]
[Date "1999.09.22"]
[Round "4"]
[White "Mietzelfeldt, Gerhard"]
[Black "Langer, Karl Heinz"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1755"]
[PlyCount "99"]
[EventDate "1999.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. Ne2 e6 6. 0-0 Be7 7. Bf4 Nc6 8. c3 0-0 9. Ng3 Bd6 10. Bxd6 Qxd6 11. Nd2 e5 12. dxe5 Nxe5 13. Bc2 Bg4 14. f3 Be6 15. Kh1 Rad8 16. Nb3 Nc4 17. Qc1 Qb6 18. Re1 Rfe8 19. Rb1 Bd7 20. Nd4 Rxe1+ 21. Qxe1 Re8 22. Qf2 Qd6 23. Nge2 Qe5 24. Kg1 b6 25. Bd3 Ne3 26. Qg3 Nc4 27. Qxe5 Nxe5 28. Bc2 Nc4 29. Kf2 h5 30. h4 g6 31. Nf4 Kg7 32. Nd3 Nd6 33. Re1 Nb5 34. Rxe8 Bxe8 35. Ke3 Nxd4 36. Kxd4 Bd7 37. Nb4 Bb5 38. Nxd5 Bf1 39. Nxf6 Bxg2 40. Nxh5+ Kf8 41. Nf4 Bxf3 42. Be4 Bg4 43. Ke5 Ke7 44. Nd5+ Kd8 45. Nf6 Bd7 46. Kd6 Bb5 47. Bd5 Be8 48. Be4 b5 49. Bd5 a5 50. b4 1-0

[Event "Brandenburg Seniors op 08th"]
[Site "Uckley"]
[Date "1999.09.21"]
[Round "3"]
[White "Biehler, Peter"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1/2-1/2"]
[ECO "C45"]
[BlackElo "1755"]
[PlyCount "63"]
[EventDate "1999.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bc5 6. Nxc6 bxc6 7. Bd3 0-0 8. 0-0 d6 9. h3 h6 10. Na4 Bb6 11. b3 Re8 12. Re1 Nd7 13. Bb2 Ne5 14. Bxe5 Rxe5 15. Nxb6 axb6 16. f4 Rea5 17. a4 b5 18. c3 bxa4 19. bxa4 Ba6 20. Bc2 Qf6 21. Qd2 Rc5 22. Ra3 Qe7 23. Re3 Re8 24. Ra1 Bc4 25. Rae1 Rb8 26. Qc1 Ra5 27. g3 Ra7 28. e5 g6 29. exd6 Qxd6 30. Re8+ Rxe8 31. Rxe8+ Kg7 32. Qe3 1/2-1/2

[Event "Brandenburg Seniors op 08th"]
[Site "Uckley"]
[Date "1999.09.21"]
[Round "2"]
[White "Mietzelfeldt, Gerhard"]
[Black "Assmann, Hans"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1755"]
[BlackElo "1631"]
[PlyCount "56"]
[EventDate "1999.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. f4 e5 3. Nf3 exf4 4. d4 cxd4 5. Bxf4 Nc6 6. Bc4 Bb4+ 7. Nbd2 Nge7 8. 0-0 d5 9. exd5 Nxd5 10. Bxd5 Qxd5 11. a3 Be7 12. Nb3 Bg4 13. Qd3 Bf5 14. Qd2 Rd8 15. Rad1 0-0 16. Nc1 Bg4 17. Nd3 f6 18. Rde1 Bxf3 19. Rxf3 Ne5 20. Bxe5 fxe5 21. Rxe5 Qd6 22. Rxf8+ Rxf8 23. Qe2 Bf6 24. Re6 Qd5 25. Re8 Qf7 26. Rxf8+ Kxf8 27. Qf3 Qc7 28. Ne1 h6 1/2-1/2

[Event "Brandenburg Seniors op 08th"]
[Site "Uckley"]
[Date "1999.09.20"]
[Round "1"]
[White "Trommsdorf, Fro"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2146"]
[BlackElo "1755"]
[PlyCount "71"]
[EventDate "1999.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 g6 3. Nf3 Bg7 4. Nbd2 Nf6 5. e3 0-0 6. Be2 Nbd7 7. 0-0 Re8 8. c4 c6 9. Qb3 Qb6 10. Rfe1 e5 11. cxd5 Nxd5 12. Nc4 Qxb3 13. axb3 h6 14. Bh4 exd4 15. Nd6 Re6 16. Nxc8 Rxc8 17. Nxd4 Bxd4 18. exd4 Rce8 19. Kf1 Nf4 20. Bf3 a6 21. Rxe6 Rxe6 22. Bg3 Nd5 23. Ra5 N7b6 24. Be5 f6 25. Bb8 Kf7 26. g3 Nb4 27. Bf4 N6d5 28. Bxh6 g5 29. h4 Kg6 30. hxg5 fxg5 31. Bf8 Kf7 32. Bxb4 Nxb4 33. Rxg5 Nc2 34. d5 Rf6 35. dxc6 bxc6 36. Be2 1-0

[Event "DDR-ch M corr"]
[Site "DDR"]
[Date "1986.??.??"]
[Round "?"]
[White "Merker, R."]
[Black "Mietzelfeldt, Gerhard"]
[Result "1/2-1/2"]
[ECO "D48"]
[PlyCount "110"]
[EventDate "1986.01.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. d5 e5 11. b3 c4 12. bxc4 Bb4 13. Bb2 bxc4 14. Bc2 0-0 15. 0-0 Qa5 16. Qd2 Nc5 17. Rfe1 Ncd7 18. a3 Bd6 19. Na4 Qc7 20. Bc3 a5 21. Kh1 Re8 22. Nh4 Nc5 23. Nxc5 Bxc5 24. Ba4 Bd7 25. Bxd7 Nxd7 26. Nf5 Bf8 27. Qg5 f6 28. Qg3 Nc5 29. Qf3 Reb8 30. Qe2 Nd3 31. Reb1 Rxb1+ 32. Rxb1 Bxa3 33. Qa2 Bc5 34. Rf1 Bb4 35. d6 Bxd6 36. Nxd6 Qxd6 37. Qxc4+ Kf8 38. Kg1 Nf4 39. g3 Ne6 40. Ra1 Qa6 41. Qxa6 Rxa6 42. Ra4 Ke7 43. Kg2 Nc5 44. Rc4 Kd6 45. f4 exf4 46. gxf4 Nb3 47. e5+ Kd5 48. Rc7 Rc6 49. Rxc6 Kxc6 50. exf6 gxf6 51. Bxf6 a4 52. Bb2 Kd5 53. f5 Nd2 54. Kg3 Nc4 55. Ba1 Ke4 1/2-1/2

[Event "DDR-ch M774 corr"]
[Site "DDR"]
[Date "1985.??.??"]
[Round "?"]
[White "Mietzelfeldt, Gerhard"]
[Black "Mueller, Peter"]
[Result "1-0"]
[ECO "B05"]
[PlyCount "61"]
[EventDate "1985.01.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 c6 6. 0-0 Bxf3 7. Bxf3 dxe5 8. dxe5 e6 9. c4 Ne7 10. Qxd8+ Kxd8 11. Be4 Nd7 12. f4 Nf5 13. Nc3 Kc7 14. g4 Bc5+ 15. Kg2 Ne3+ 16. Bxe3 Bxe3 17. Rf3 Bc5 18. Rd1 Rad8 19. Rfd3 Nb6 20. b3 h6 21. Bf3 Nc8 22. Ne4 Bb4 23. h4 Rxd3 24. Rxd3 Rd8 25. Be2 Rxd3 26. Bxd3 Be7 27. h5 c5 28. Kg3 a6 29. g5 Na7 30. Nf6 gxf6 31. g6 1-0

[Event "DDR-ch M774 corr"]
[Site "DDR"]
[Date "1985.??.??"]
[Round "?"]
[White "Mietzelfeldt, Gerhard"]
[Black "Weiz, Walter"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "53"]
[EventDate "1985.01.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c5 2. f4 e5 3. Bc4 Nf6 4. fxe5 Nxe4 5. Bxf7+ Kxf7 6. Qf3+ Nf6 7. exf6 Qxf6 8. Nc3 Be7 9. Nd5 Qxf3 10. Nxf3 Bd8 11. 0-0 Nc6 12. Ng5+ Kg6 13. Nh3 h6 14. b3 d6 15. Nhf4+ Kh7 16. Bb2 Rg8 17. Rae1 Bf5 18. d3 g5 19. Ne6 Kg6 20. h3 h5 21. g4 hxg4 22. hxg4 Bxg4 23. Nxd8 Raxd8 24. Rf6+ Kh5 25. Kg2 Bc8 26. Rh1+ Kg4 27. Ne3# 1-0

[Event "DDR-ch M774 corr"]
[Site "DDR"]
[Date "1985.??.??"]
[Round "?"]
[White "Mietzelfeldt, Gerhard"]
[Black "Zill, Eberhard"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "124"]
[EventDate "1985.01.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c5 2. f4 e6 3. Nf3 Nc6 4. Bb5 Nge7 5. c3 d5 6. exd5 Qxd5 7. Qe2 a6 8. Bc4 Qd6 9. 0-0 b5 10. Bb3 c4 11. Bc2 Qxf4 12. d4 cxd3 13. Bxd3 Qc7 14. Ng5 Ne5 15. Be4 Nd5 16. Bxd5 Qc5+ 17. Be3 Qxd5 18. Nd2 f6 19. Rxf6 Qd3 20. Rf2 Qxe2 21. Rxe2 Nf7 22. Nxf7 Kxf7 23. Rf1+ Kg8 24. Bd4 h6 25. Kh1 Rh7 26. Nf3 g5 27. Nd2 Be7 28. Bf6 a5 29. Bd4 Rf7 30. Rxf7 Kxf7 31. Nf3 b4 32. Rf2 Ke8 33. Ne5 Bb7 34. Ng4 Rd8 35. Nxh6 e5 36. Nf7 exd4 37. Nxd8 Bxd8 38. cxd4 Ke7 39. Rf5 Ke6 40. Re5+ Kd6 41. b3 Bd5 42. Rf5 g4 43. Kg1 Be4 44. Rf4 Bb1 45. Rf2 Kd5 46. Rb2 Bd3 47. Kf2 Kxd4 48. Ke1 Bc7 49. g3 Bb6 50. Rf2 Kc3 51. Rf6 Bg1 52. Rf4 Kb2 53. Rxg4 Kxa2 54. Rg5 Be4 55. Rh5 Bb6 56. Rb5 Bd8 57. Rb8 Kxb3 58. Rxd8 a4 59. Re8 a3 60. Rxe4 a2 61. Re3+ Ka4 62. Re8 a1Q+ 0-1

[Event "DDR-ch M774 corr"]
[Site "DDR"]
[Date "1985.??.??"]
[Round "?"]
[White "Ullrich, Juergen"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1/2-1/2"]
[ECO "C59"]
[PlyCount "41"]
[EventDate "1985.01.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bd6 11. f4 exf3 12. Nxf3 Qc7 13. d4 0-0 14. 0-0 Re8 15. Nc3 Ng4 16. h3 Ne3 17. Bxe3 Rxe3 18. Qd2 Bf4 19. Ne5 Rf3 20. Qe1 Be3+ 21. Kh1 1/2-1/2

[Event "DDR-ch M774 corr"]
[Site "DDR"]
[Date "1985.??.??"]
[Round "?"]
[White "Winter, Karl"]
[Black "Mietzelfeldt, Gerhard"]
[Result "0-1"]
[ECO "C36"]
[PlyCount "32"]
[EventDate "1985.01.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. c4 c6 6. Nc3 cxd5 7. d4 Bb4 8. Bxf4 0-0 9. Be5 Re8 10. Bd3 Nc6 11. Qc2 Nxd4 12. Nxd4 Rxe5+ 13. Kd2 dxc4 14. Bxc4 Qxd4+ 15. Kc1 Qxc4 16. g3 Bf5 0-1

[Event "DDR-ch H74 corr"]
[Site "DDR"]
[Date "1984.??.??"]
[Round "?"]
[White "Mietzelfeldt, Gerhard"]
[Black "Steche, Roland"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "109"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. f4 e6 3. Nf3 Nc6 4. Nc3 Nge7 5. Bb5 Nd4 6. Nxd4 cxd4 7. Ne2 a6 8. Ba4 b5 9. Bb3 Nc6 10. 0-0 Bc5 11. d3 Na5 12. Bd2 Nxb3 13. axb3 Bb7 14. Kh1 f5 15. exf5 exf5 16. Ng3 0-0 17. Qh5 Qf6 18. Rae1 g6 19. Qh3 Rfe8 20. Ne2 Rac8 21. c4 b4 22. Ng1 a5 23. Nf3 d6 24. Ng5 h5 25. Qg3 Bc6 26. Rxe8+ Rxe8 27. Re1 Re7 28. Kg1 Kg7 29. Rxe7+ Qxe7 30. Qe1 Qxe1+ 31. Bxe1 a4 32. bxa4 Bxa4 33. Kf2 Kf6 34. Ke2 Bc6 35. g3 d5 36. Kd2 dxc4 37. dxc4 Be4 38. Nh3 b3 39. Bf2 Bb4+ 40. Kc1 d3 41. Be3 Ke7 42. Nf2 Kd6 43. Nd1 Kc6 44. Nf2 d2+ 45. Bxd2 Bc5 46. Nd1 Bg1 47. h4 Kc5 48. Be3+ Bxe3+ 49. Nxe3 Kd4 50. Kd2 Bd3 51. c5 Be4 52. Nd1 Bc6 53. Nf2 Bb5 54. Nh3 Kxc5 55. Kc3 1-0

[Event "DDR-ch H74 corr"]
[Site "DDR"]
[Date "1984.??.??"]
[Round "?"]
[White "Spiegelhauer, Bernd"]
[Black "Mietzelfeldt, Gerhard"]
[Result "0-1"]
[ECO "B46"]
[PlyCount "88"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bg5 Be7 8. Nxc6 bxc6 9. e5 Nd5 10. Bxe7 Qxe7 11. Qg4 0-0 12. Ne4 Qb4+ 13. c3 Qxb2 14. 0-0 Nxc3 15. Nf6+ Kh8 16. Qh4 h6 17. Rae1 Qd2 18. Re3 Nd5 19. Bxd5 exd5 20. Ng4 Qd4 21. Qe7 Bb7 22. Nxh6 Qf4 23. Rf3 Qxh6 24. Rh3 Qxh3 25. gxh3 Rad8 26. Rb1 Bc8 27. Rb4 Rde8 28. Qd6 Kg8 29. f4 f6 30. exf6 Rxf6 31. Qc7 Re1+ 32. Kf2 Re8 33. Rb8 Rff8 34. h4 d4 35. Qd6 Rf6 36. Qc7 Rff8 37. Rb3 Rf5 38. Rg3 Rxf4+ 39. Rf3 Rxh4 40. Qg3 Rhe4 41. Qg6 R4e7 42. h4 c5 43. Rg3 Bb7 44. Rg4 Re2+ 0-1

[Event "DDR-ch H120 corr"]
[Site "DDR"]
[Date "1972.??.??"]
[Round "?"]
[White "Mietzelfeldt, Gerhard"]
[Black "Kollowa, Kurt"]
[Result "0-1"]
[ECO "B72"]
[PlyCount "40"]
[EventDate "1972.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Nb3 0-0 9. f4 Be6 10. g4 Na5 11. f5 Bc4 12. g5 Nd7 13. f6 exf6 14. Qxd6 Bxe2 15. Nxa5 Qxa5 16. Qxd7 Ba6 17. 0-0-0 fxg5 18. Nd5 Qxa2 19. Bd4 Rfd8 20. Qe7 Bxd4 0-1

[Event "DDR-ch H120 corr"]
[Site "DDR"]
[Date "1972.??.??"]
[Round "?"]
[White "Mietzelfeldt, Gerhard"]
[Black "Walther, Gerd"]
[Result "1-0"]
[ECO "B85"]
[PlyCount "49"]
[EventDate "1972.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e6 7. 0-0 Be7 8. Be3 a6 9. f4 Qc7 10. Qe1 0-0 11. Qg3 Nxd4 12. Bxd4 b5 13. a3 Bb7 14. Kh1 Rfd8 15. Bd3 Ne8 16. Qh3 Bf8 17. Rae1 Rac8 18. e5 g6 19. Bxg6 fxg6 20. Qxe6+ Qf7 21. Qxf7+ Kxf7 22. e6+ Ke7 23. f5 Bg7 24. Bxg7 Nxg7 25. f6+ 1-0

[Event "DDR-ch I233 corr"]
[Site "DDR"]
[Date "1967.??.??"]
[Round "?"]
[White "Kuehn, Peter"]
[Black "Mietzelfeldt, Gerhard"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "65"]
[EventDate "1967.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 d6 3. c4 f5 4. e3 Nf6 5. Nf3 Be7 6. d4 e4 7. Nfd2 d5 8. b5 c6 9. a4 0-0 10. Qb3 Be6 11. Nc3 Nbd7 12. Be2 c5 13. Nxd5 Nxd5 14. cxd5 Bf7 15. Rc1 cxd4 16. Bxd4 Nb6 17. Bxb6 axb6 18. Bc4 Bd6 19. 0-0 Qh4 20. f4 g5 21. g3 Qh6 22. Rf2 gxf4 23. gxf4 Bh5 24. Rg2+ Kf7 25. Bf1 Rg8 26. Rc7+ Kf8 27. Rxb7 Rxg2+ 28. Bxg2 Rc8 29. Qb2 Bf7 30. Rxb6 Bxd5 31. Qd4 Qh5 32. Rxd6 Qe2 33. Rxd5 1-0

