[Event "Dortmund Sparkassen op-A 51st"]
[Site "Dortmund"]
[Date "2024.08.14"]
[Round "5"]
[White "Thiemann, Marc"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1974"]
[BlackElo "1918"]
[PlyCount "73"]
[EventDate "2024.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. dxc5 Bxc5 8. 0-0 a5 9. Qe2 a4 10. Nbd2 Nge7 11. b4 axb3 12. Nxb3 Na5 13. Nbd4 Nac6 14. Rb1 Qa5 15. Nb3 Qa7 16. Nfd4 Bxd4 17. Nxd4 Nxd4 18. cxd4 Bc6 19. Rb3 Qxa2 20. Qxa2 Rxa2 21. Ba3 Kd7 22. g4 Rd2 23. Ra1 Ra8 24. Kf1 Rxd3 25. Rxd3 Bb5 26. Ke2 Nc6 27. Ke3 Bxd3 28. Kxd3 Ra4 29. Bb2 Rb4 30. Bc3 Rb5 31. f4 Kc7 32. Ra8 Nb8 33. Kc2 g6 34. Ba5+ b6 35. Ra7+ Kc6 36. Bc3 Nd7 37. g5 1-0

[Event "Dortmund Sparkassen op-A 51st"]
[Site "Dortmund"]
[Date "2024.08.13"]
[Round "4"]
[White "Sondermann, Dirk"]
[Black "Hagenmeyer, Felix"]
[Result "0-1"]
[ECO "D34"]
[WhiteElo "1918"]
[BlackElo "1998"]
[PlyCount "69"]
[EventDate "2024.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nf6 6. g3 Nc6 7. Bg2 Be7 8. 0-0 0-0 9. dxc5 Bxc5 10. Bg5 d4 11. Na4 Be7 12. Rc1 h6 13. Bxf6 Bxf6 14. Nc5 Re8 15. Re1 Qb6 16. b3 Bg4 17. h3 Bh5 18. g4 Bg6 19. Nd2 Rac8 20. Nd7 Qd8 21. Nxf6+ Qxf6 22. Nf3 Rcd8 23. Qd2 Be4 24. g5 Qg6 25. gxh6 Ne5 26. Nh4 Qf6 27. Bxe4 Qxh4 28. h7+ Kh8 29. Bg2 Re6 30. Rc5 b6 31. Rcc1 Rg6 32. Kf1 Ng4 33. hxg4 Qxg4 34. e3 Qxg2+ 35. Ke2 0-1

[Event "Dortmund Sparkassen op-A 51st"]
[Site "Dortmund"]
[Date "2024.08.12"]
[Round "3"]
[White "Hirzel, Cedric"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2116"]
[BlackElo "1918"]
[PlyCount "51"]
[EventDate "2024.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 g6 6. e4 d6 7. Nf3 Bg7 8. a4 0-0 9. Ra3 axb5 10. Bxb5 Ba6 11. Bxa6 Nxa6 12. 0-0 Nb4 13. h3 Nd7 14. Be3 Qa5 15. Qe2 Rfb8 16. Rc1 Na6 17. Bg5 Re8 18. Nd2 Rab8 19. Nc4 Qb4 20. Nb5 Rxb5 21. axb5 Qxb5 22. Ra5 Qb7 23. Nxd6 exd6 24. Qxa6 Qxb2 25. Qc6 Bd4 26. Rf1 1-0

[Event "Dortmund Sparkassen op-A 51st"]
[Site "Dortmund"]
[Date "2024.08.11"]
[Round "2"]
[White "Sondermann, Dirk"]
[Black "Buchinger, Alexis"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "1918"]
[BlackElo "1991"]
[PlyCount "111"]
[EventDate "2024.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 a6 7. a4 dxc4 8. Qc2 Nc6 9. Qxc4 Qd5 10. Qxd5 Nxd5 11. Nc3 Ncb4 12. Bf4 Bd6 13. Rfd1 Rd8 14. e3 Bxf4 15. gxf4 f6 16. Ne1 Ne7 17. Rac1 c6 18. a5 Ned5 19. Na4 Rb8 20. Rc4 Na2 21. Nd3 b5 22. axb6 Nxb6 23. Nxb6 Rxb6 24. Ra4 e5 25. fxe5 Be6 26. Nc5 Bg4 27. Ra1 Nb4 28. exf6 gxf6 29. h3 Be2 30. Bf1 Bxf1 31. Kxf1 Rd5 32. Rc1 Rh5 33. Nd7 Rxh3 34. Kg2 Rb5 35. Kxh3 Nd3 36. Rc2 Rh5+ 37. Kg3 Rg5+ 38. Kh4 Kg7 39. Nc5 Ne1 40. Ne6+ Kg6 41. Nf4+ Kh6 42. Rc1 Nf3+ 43. Kh3 Ng1+ 44. Rxg1 Rxg1 45. Rxa6 Kg5 46. Rxc6 h5 47. Rc8 Rh1+ 48. Kg2 Rd1 49. Rg8+ Kh4 50. Kf3 f5 51. Rh8 Kg5 52. Rxh5+ Kf6 53. Rh6+ Kg7 54. Rg6+ Kh8 55. Ne6 Rd2 56. Rh6+ 1-0

[Event "Dortmund Sparkassen op-A 51st"]
[Site "Dortmund"]
[Date "2024.08.10"]
[Round "1"]
[White "Koehler, Ronald"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "2104"]
[BlackElo "1918"]
[PlyCount "99"]
[EventDate "2024.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 d6 6. c4 0-0 7. Nc3 c6 8. Rb1 Ne4 9. Nxe4 fxe4 10. Ng5 d5 11. cxd5 cxd5 12. h4 Nc6 13. e3 Qd6 14. b4 Bh6 15. b5 Nd8 16. Nh3 Be6 17. Rb3 Qd7 18. Nf4 Bxf4 19. exf4 Rc8 20. Ba3 Rc4 21. Qd2 Nf7 22. b6 a6 23. Rc1 Rfc8 24. Rxc4 Rxc4 25. Bf1 Rc8 26. Rc3 Nd6 27. Bc5 Rc6 28. Rb3 Rc8 29. Kh2 Nf5 30. Qb4 Kf7 31. Bxa6 Nd6 32. Bxd6 exd6 33. Bb5 Qd8 34. a4 Rc1 35. Rb1 Rc2 36. Rb2 Rc1 37. a5 Qc8 38. Qxd6 Qc3 39. Be8+ Kxe8 40. Qxe6+ Kf8 41. Qd6+ Kg7 42. Qc7+ Qxc7 43. bxc7 Rxc7 44. Rb5 Rd7 45. h5 Kf6 46. hxg6 hxg6 47. Rb6+ Kf5 48. Kh3 Rh7+ 49. Kg2 Rc7 50. Rd6 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "7"]
[White "Buring, Matthias"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1796"]
[BlackElo "1578"]
[PlyCount "57"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Nc6 6. a3 Bd7 7. axb4 Bxb4+ 8. c3 Bf8 9. Bd3 f6 10. 0-0 fxe5 11. dxe5 g6 12. Qc2 Nge7 13. Bg5 Bg7 14. Bf6 0-0 15. Bxg7 Kxg7 16. Na3 a6 17. Qd2 Rc8 18. Nc2 Nf5 19. Bxf5 Rxf5 20. Rfb1 Qc7 21. Ncd4 Nxd4 22. cxd4 Bb5 23. Rc1 Qd7 24. Rxc8 Qxc8 25. Qb4 Qf8 26. Qa5 Qf7 27. Rc1 Bc6 28. Qd2 h6 29. Ne1 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "3"]
[White "Dettmer, Niels"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "1728"]
[BlackElo "1578"]
[PlyCount "97"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 d6 4. Nc3 g6 5. h4 Bg7 6. h5 Nxh5 7. e4 0-0 8. exf5 Bxf5 9. g4 Bxg4 10. Qxg4 Nc6 11. Be3 Qc8 12. Bd5+ Kh8 13. Be6 Qe8 14. 0-0-0 Nd8 15. Bc4 c6 16. Bd3 Qf7 17. Nh3 Ne6 18. Ng5 Nxg5 19. Qxg5 Nf4 20. Ne4 Kg8 21. Ng3 e5 22. Kb1 Rae8 23. dxe5 dxe5 24. Ne4 Ne6 25. Qh4 Bh8 26. Ng5 Nxg5 27. Qxg5 Bf6 28. Qh6 Qg7 29. Qxg7+ Kxg7 30. Bh6+ Kg8 31. Bxf8 Rxf8 32. f4 exf4 33. Rdf1 g5 34. Bxh7+ Kg7 35. Bd3 Rh8 36. Rxh8 Kxh8 37. Rh1+ Kg7 38. Rh7+ Kf8 39. Rxb7 g4 40. Kc1 Bd4 41. Bf5 g3 42. Be4 c5 43. c3 Be3+ 44. Kd1 Ke8 45. Ke2 Kd8 46. Rf7 Kc8 47. Kf3 Bc1 48. b3 Kd8 49. Rxa7 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "11"]
[White "Gombert, Reiner"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1726"]
[BlackElo "1578"]
[PlyCount "65"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Ne2 Nc6 6. 0-0 Nf6 7. c3 0-0 8. Bf4 Bg4 9. Bg3 Re8 10. Re1 Bxg3 11. hxg3 Qd7 12. Qc2 g6 13. Nd2 Kg7 14. Nb3 b6 15. Nf4 Ne7 16. Bf1 Bf5 17. Qc1 a5 18. Nd2 c5 19. dxc5 bxc5 20. Nf3 Nc6 21. Bb5 Rab8 22. a4 Rxe1+ 23. Nxe1 Qd6 24. Qd2 Ne7 25. Nc2 Ne4 26. Qd1 Bd7 27. Bd3 f5 28. Rb1 Bxa4 29. Qc1 Qb6 30. Ne3 Bc6 31. Ne6+ Kf6 32. Nf4 c4 33. Bc2 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "5"]
[White "Grund, Erwin1"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1673"]
[BlackElo "1578"]
[PlyCount "66"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 cxd4 7. cxd4 Nh6 8. Bd3 Nf5 9. Bxf5 exf5 10. 0-0 Be6 11. Nc3 Be7 12. b4 0-0 13. Be3 Rc8 14. Na4 b6 15. Rc1 Qd7 16. Nb2 h6 17. h3 a5 18. b5 Na7 19. Rxc8 Nxc8 20. a4 g5 21. Nh2 f4 22. Bc1 Bb4 23. Nd3 Qe7 24. Qb3 Bf5 25. Nxb4 axb4 26. Qxd5 Be6 27. Qe4 Bc4 28. Rd1 Bb3 29. Re1 Bxa4 30. d5 Bxb5 31. Bb2 Qc5 32. e6 f5 33. Qe5 Rf7 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "2"]
[White "Mao, Kevin"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1735"]
[BlackElo "1578"]
[PlyCount "67"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Ne2 c5 6. c3 Nc6 7. d4 cxd4 8. cxd4 h6 9. Nf4 Qb6 10. a3 g5 11. Ne2 g4 12. Nfg1 h5 13. f3 a5 14. h3 gxf3 15. Nxf3 Be7 16. Nf4 a4 17. Be2 Na5 18. 0-0 Nb3 19. Rb1 Qd8 20. Bb5 Qb6 21. Qd3 Ra5 22. Bxd7+ Bxd7 23. Bd2 Nxd2 24. Qxd2 Bb5 25. Rfc1 Ra8 26. Rc3 Kd7 27. Rbc1 Rac8 28. Rxc8 Rxc8 29. Rxc8 Kxc8 30. Nxh5 Be8 31. Nf6 Bxf6 32. exf6 Qb3 33. Qc3+ Qxc3 34. bxc3 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "10"]
[White "Sondermann, Dirk"]
[Black "Acton, Fynn Jona"]
[Result "1-0"]
[ECO "E98"]
[WhiteElo "1578"]
[BlackElo "1548"]
[PlyCount "71"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 d6 4. Nc3 Bg7 5. e4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 Nc5 12. Nxc5 dxc5 13. f3 a6 14. Be3 b6 15. Qd2 Qd6 16. Rad1 f4 17. Bf2 g5 18. a3 Qh6 19. d6 Nc6 20. Qd5+ Kh8 21. Qxc6 g4 22. fxg4 cxd6 23. Rxd6 Bf6 24. Qxa8 Bxg4 25. Qc6 f3 26. Bxf3 Qg5 27. Bg3 Rg8 28. Rxf6 Bxf3 29. R6xf3 Qd2 30. Qd5 Qh6 31. Qxe5+ Qg7 32. Qxg7+ Kxg7 33. Be5+ Kg6 34. Rg3+ Kh6 35. Rxg8 b5 36. Rf3 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "1"]
[White "Sondermann, Dirk"]
[Black "Dzierzenga, Stefan"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1578"]
[BlackElo "1874"]
[PlyCount "24"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. c4 Bb7 5. Qc2 bxc4 6. e4 e6 7. dxe6 fxe6 8. Nc3 d5 9. e5 Nfd7 10. Bf4 Be7 11. Be2 0-0 12. 0-0 Rxf4 0-1

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "9"]
[White "Sondermann, Dirk"]
[Black "Meister, Hubert"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1578"]
[BlackElo "1376"]
[PlyCount "85"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 c5 5. c3 Nc6 6. 0-0 Be7 7. Bg5 Ne4 8. Bxe7 Qxe7 9. dxc5 Qxc5 10. Nbd2 0-0 11. Nxe4 dxe4 12. Nd4 Nxd4 13. cxd4 Qd5 14. e3 f5 15. Re1 Bd7 16. b3 Bc6 17. Bf1 a6 18. Bc4 Qd6 19. Rc1 b5 20. Bf1 Bd5 21. Qd2 Qe7 22. Rc5 Rac8 23. Rec1 Rxc5 24. Rxc5 Qd7 25. Qc3 Rd8 26. Rc7 Qd6 27. Qc5 Qxc5 28. Rxc5 Kf8 29. Rc7 h5 30. Be2 h4 31. Bh5 hxg3 32. hxg3 Re8 33. Bxe8 Kxe8 34. Rxg7 Kf8 35. Ra7 Bc6 36. Rxa6 Be8 37. Rxe6 Kf7 38. Re5 Bd7 39. Kf1 f4 40. gxf4 Kf6 41. Ke1 b4 42. Kd2 Be6 43. Rxe4 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "6"]
[White "Sondermann, Dirk"]
[Black "Schoeneberg, Manfred"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1578"]
[BlackElo "1836"]
[PlyCount "127"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. c4 g6 4. Nc3 Bg7 5. e4 Nf6 6. Nf3 Bg4 7. Bf4 Nbd7 8. h3 Bxf3 9. Qxf3 0-0 10. g4 Ne8 11. Bg2 a6 12. a4 Nc7 13. 0-0 b5 14. cxb5 axb5 15. Nxb5 Nxb5 16. axb5 Qb6 17. Qb3 Rxa1 18. Rxa1 Rb8 19. Bf1 Bd4 20. Qc4 Ne5 21. Bxe5 Bxe5 22. Ra6 Qb7 23. Qa4 Bxb2 24. Ra7 Qc8 25. Rxe7 Bf6 26. Ra7 h5 27. Be2 h4 28. Qa6 Qxa6 29. Rxa6 Bd4 30. g5 c4 31. Bxc4 Rb6 32. Rxb6 Bxb6 33. Kg2 Bd8 34. f4 Bb6 35. Kf3 f6 36. gxf6 Kf7 37. Kg4 Kxf6 38. Kxh4 Bd4 39. Kg4 Bc5 40. h4 Bd4 41. Bd3 Bc5 42. Kf3 Bb6 43. Kg4 Bd4 44. Bc4 Bc5 45. h5 gxh5+ 46. Kxh5 Bd4 47. Kg4 Bc5 48. Bf1 Bd4 49. Bh3 Bb6 50. Kf3 Bc5 51. Ke2 Kg6 52. Kd3 Kh5 53. e5 Kg6 54. Ke4 Kf7 55. Kf5 Ke7 56. Kg6 Bb6 57. e6 Bc5 58. f5 Bd4 59. b6 Bxb6 60. f6+ Kd8 61. e7+ Ke8 62. Be6 Bd4 63. Bf7+ Kd7 64. e8Q+ 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "4"]
[White "Sondermann, Dirk"]
[Black "Stein, Eugen"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1578"]
[BlackElo "1245"]
[PlyCount "51"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 d5 3. c4 Bg4 4. e3 e6 5. Nc3 Nf6 6. Bd2 Be7 7. Rc1 0-0 8. h3 Bh5 9. Be2 h6 10. 0-0 Bd6 11. cxd5 Nxd5 12. Nxd5 exd5 13. a3 Ne7 14. Bc3 c6 15. Nd2 Bg6 16. b4 Rc8 17. Nb3 Bb8 18. Bd3 Qd6 19. f4 Nf5 20. Re1 Nh4 21. Bxg6 fxg6 22. Qg4 g5 23. Nc5 Ng6 24. Nxb7 Qc7 25. Nc5 Qe7 26. Bd2 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "8"]
[White "Toellner, Uwe"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "1970"]
[BlackElo "1578"]
[PlyCount "79"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 d6 3. d4 Nf6 4. Bg2 g6 5. c4 Bg7 6. 0-0 0-0 7. b3 Qe8 8. Bb2 a5 9. Nbd2 Na6 10. Re1 Nh5 11. e3 e5 12. dxe5 dxe5 13. e4 f4 14. c5 Nb4 15. Nc4 Bg4 16. Qe2 Rd8 17. Red1 Rxd1+ 18. Qxd1 fxg3 19. hxg3 Nc6 20. Qd5+ Kh8 21. Nfd2 Nb4 22. Qxb7 Qf7 23. f3 Nd3 24. Bc3 Bc8 25. Qc6 Bh6 26. Rd1 Nxg3 27. Bxa5 Ne2+ 28. Kf1 Qf4 29. Kxe2 Qg3 30. Rg1 Nf4+ 31. Kd1 Nxg2 32. Bxc7 Qf2 33. Bxe5+ Bg7 34. Bxg7+ Kxg7 35. Rf1 Qg3 36. Qd5 Ne3+ 37. Nxe3 Bg4 38. Qd4+ Kg8 39. fxg4 Qxg4+ 40. Nxg4 1-0

[Event "GER-ch Net blitz qual1"]
[Site "Playchess.com INT"]
[Date "2021.04.24"]
[Round "5"]
[White "Buss, Alexander"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1729"]
[BlackElo "1521"]
[PlyCount "75"]
[EventDate "2021.04.24"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 cxd4 7. cxd4 Nh6 8. 0-0 Nf5 9. b3 Be7 10. Bb2 0-0 11. h3 Rc8 12. Nbd2 Qb6 13. Rc1 Ncxd4 14. Nxd4 Nxd4 15. Bxd4 Qxd4 16. Rxc8 Rxc8 17. Nf3 Qxd1 18. Rxd1 Rc2 19. Rd2 Rc1+ 20. Kh2 Bb4 21. Rd4 Bc3 22. Rd3 a6 23. Nd4 Bxd4 24. Rxd4 Rc2 25. Bd1 Rxf2 26. a4 g5 27. Kg3 Rf1 28. Be2 Re1 29. Bh5 Re3+ 30. Kg4 Rxb3 31. Kxg5 Ra3 32. Kf6 Rxa4 33. Rxa4 Bxa4 34. Bxf7+ Kf8 35. Bxe6 d4 36. Bc4 Bb5 37. Bb3 d3 38. e6 1-0

[Event "GER-ch Net blitz qual1"]
[Site "Playchess.com INT"]
[Date "2021.04.24"]
[Round "2"]
[White "Gustain, Marc"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1906"]
[BlackElo "1521"]
[PlyCount "33"]
[EventDate "2021.04.24"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nc6 5. Bb5 Bd6 6. c4 dxc4 7. d5 a6 8. Ba4 b5 9. dxc6 bxa4 10. 0-0 Ne7 11. Nbd2 Be6 12. Qxa4 Bd5 13. Nxc4 Bxf3 14. Nxd6+ Qxd6 15. gxf3 0-0 16. Bf4 Qg6+ 17. Bg3 1-0

[Event "GER-ch Net blitz qual1"]
[Site "Playchess.com INT"]
[Date "2021.04.24"]
[Round "4"]
[White "Heyartz, Wolfgang"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1693"]
[BlackElo "1521"]
[PlyCount "71"]
[EventDate "2021.04.24"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. exd5 exd5 5. a3 Nf6 6. Bd3 h6 7. Nge2 Bd6 8. 0-0 0-0 9. Bf4 Bxf4 10. Nxf4 Nxd4 11. Bh7+ Kxh7 12. Qxd4 c6 13. Rfe1 Bf5 14. Rac1 Re8 15. Qd2 Qb6 16. b3 Rad8 17. Nce2 Ne4 18. Qd4 Qc7 19. g3 Ng5 20. Qc3 Be4 21. Nd4 c5 22. h4 Ne6 23. Ndxe6 fxe6 24. f3 Bf5 25. Qe3 e5 26. Nd3 d4 27. Qf2 Bxd3 28. cxd3 Qf7 29. b4 b6 30. bxc5 b5 31. c6 Rc8 32. Kg2 Re6 33. Rc5 a6 34. Rec1 Qf6 35. Qe1 Rexc6 36. Qe4+ 1-0

[Event "GER-ch Net blitz qual1"]
[Site "Playchess.com INT"]
[Date "2021.04.24"]
[Round "8"]
[White "Meschke, Andreas"]
[Black "Sondermann, Dirk"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1745"]
[BlackElo "1521"]
[PlyCount "114"]
[EventDate "2021.04.24"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. exd5 exd5 5. Nf3 Bf5 6. Bb5 Nge7 7. 0-0 Qd6 8. Re1 0-0-0 9. a3 a6 10. Bf1 Bg4 11. Be3 Nf5 12. h3 Bxf3 13. gxf3 Qg6+ 14. Kh1 Bd6 15. Bd3 Qh5 16. Bf1 Nh4 17. f4 Qxd1 18. Raxd1 Ne7 19. Be2 h5 20. Bc1 c6 21. Na4 Kc7 22. Nc5 Nhg6 23. Bf3 Rde8 24. Nd3 f6 25. Bg2 Nf5 26. Kh2 Nxd4 27. c3 Nf5 28. Kg1 Kd7 29. Bf3 Ngh4 30. Bg2 Rxe1+ 31. Rxe1 Re8 32. Rxe8 Kxe8 33. Bf1 Ng6 34. b4 Kd7 35. Bd2 b6 36. Be2 h4 37. Bg4 Nge7 38. Ne1 Kc7 39. Nf3 Nh6 40. Nd4 Ng6 41. Ne6+ Kb7 42. Nxg7 Nxf4 43. Nh5 Nxh5 44. Bxh5 Nf5 45. Bg4 Ne7 46. Be3 f5 47. Bf3 f4 48. Bd4 Nf5 49. Bf6 c5 50. Bg4 cxb4 51. axb4 Nh6 52. Bxh4 a5 53. bxa5 bxa5 54. Be6 Kc6 55. Bg5 a4 56. Bxh6 a3 57. c4 a2 0-1

[Event "GER-ch Net blitz qual1"]
[Site "Playchess.com INT"]
[Date "2021.04.24"]
[Round "10"]
[White "Mester, Philipp"]
[Black "Sondermann, Dirk"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "1629"]
[BlackElo "1521"]
[PlyCount "122"]
[EventDate "2021.04.24"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 h6 4. c3 Nf6 5. e5 Nfd7 6. Bd3 c5 7. Ndf3 Nc6 8. Ne2 g5 9. Be3 g4 10. Nfg1 cxd4 11. cxd4 Qb6 12. b3 Bb4+ 13. Kf1 h5 14. f3 Be7 15. h3 Ncxe5 16. hxg4 Nxd3 17. Qxd3 Nf6 18. g5 Nd7 19. Nh3 Nf8 20. Kf2 Bd7 21. Nhf4 h4 22. g6 Bb5 23. gxf7+ Kxf7 24. Qc2 Bf6 25. Qc3 Bd7 26. Rac1 Rc8 27. Qb2 Re8 28. Rc3 Bb5 29. Qc2 Bc6 30. Qc1 Qa6 31. Qc2 Qb6 32. Rh3 Qd8 33. Qd3 Qd7 34. Qc2 Bb5 35. Qd2 Bc6 36. Qc2 a6 37. Qd2 Ng6 38. Nxg6 Kxg6 39. Qc2+ Kf7 40. Bf4 Reg8 41. Qd3 Qe7 42. Qd2 Qd7 43. Nc1 Rg6 44. Ne2 Rhg8 45. Rh2 Bb5 46. Qe1 Bxe2 47. Qxe2 Rc8 48. Rd3 Rc6 49. Qd2 Qc8 50. Rh3 Rc2 51. Ke3 Rxd2 52. Rxd2 Qd7 53. Ke2 Qb5+ 54. Rd3 Rxg2+ 55. Ke3 Rxa2 56. Bc7 Rb2 57. Bd6 Rxb3 58. Rxb3 Qxb3+ 59. Kf2 Qc4 60. Ke3 Qc3+ 61. Kf4 Qxd4# 0-1

[Event "GER-ch Net blitz qual1"]
[Site "Playchess.com INT"]
[Date "2021.04.24"]
[Round "1"]
[White "Sondermann, Dirk"]
[Black "Bardorz, Jana"]
[Result "1-0"]
[ECO "E99"]
[WhiteElo "1521"]
[BlackElo "1807"]
[PlyCount "43"]
[EventDate "2021.04.24"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 Nf6 12. f3 f4 13. c5 g5 14. Rc1 h5 15. Nb5 a6 16. cxd6 cxd6 17. Nc7 Ra7 18. Ba5 Qd7 19. Bb6 g4 20. Bxa7 g3 21. Ne6 Ng6 22. Rc7 1-0

[Event "GER-ch Net blitz qual1"]
[Site "Playchess.com INT"]
[Date "2021.04.24"]
[Round "6"]
[White "Sondermann, Dirk"]
[Black "Bernig Le Duigou, Vincent"]
[Result "1-0"]
[ECO "E51"]
[WhiteElo "1521"]
[BlackElo "1657"]
[PlyCount "39"]
[EventDate "2021.04.24"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. c4 d5 4. Nc3 Bb4 5. Bd2 0-0 6. e3 Re8 7. Qc2 c6 8. a3 Bxc3 9. Bxc3 Ne4 10. Bd3 Nf6 11. 0-0 h6 12. Ne5 Nbd7 13. f4 Nxe5 14. fxe5 Nd7 15. Bh7+ Kh8 16. Rxf7 Re7 17. Raf1 dxc4 18. Qg6 Rxf7 19. Rxf7 Nf8 20. Qxg7# 1-0

[Event "GER-ch Net blitz qual1"]
[Site "Playchess.com INT"]
[Date "2021.04.24"]
[Round "9"]
[White "Sondermann, Dirk"]
[Black "Daeuber, Andreas"]
[Result "0-1"]
[ECO "D24"]
[WhiteElo "1521"]
[BlackElo "1705"]
[PlyCount "126"]
[EventDate "2021.04.24"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Nc3 e6 5. e3 Be7 6. Bxc4 0-0 7. 0-0 c6 8. Qe2 b5 9. Bb3 Bb7 10. Rd1 Qc7 11. h3 Nbd7 12. e4 Rad8 13. Bc2 h6 14. Be3 a6 15. Rac1 Nb6 16. e5 Nfd5 17. Ne4 Nxe3 18. fxe3 Nd5 19. a3 f5 20. exf6 Nxf6 21. Nxf6+ Bxf6 22. Qd3 Qg3 23. Bb3 Rde8 24. Rc5 Be7 25. Bxe6+ Kh8 26. Bd7 Rd8 27. Ne5 Rxd7 28. Nxd7 Bxc5 29. Nxc5 Rf2 30. Qe4 Rxb2 31. Nxb7 Qf2+ 32. Kh1 Qe2 33. Rg1 Ra2 34. Qxc6 Kh7 35. Qe4+ Kg8 36. Nd6 Qf2 37. Qd5+ Kh7 38. Qf5+ Qxf5 39. Nxf5 Rxa3 40. d5 Rd3 41. e4 b4 42. Rb1 b3 43. Ne7 a5 44. Nc6 a4 45. Nb4 Re3 46. d6 Rxe4 47. d7 Rd4 48. Nc6 Rxd7 49. Ne5 Rc7 50. Nd3 Rc3 51. Nb4 a3 52. Nd5 Rd3 53. Nb4 a2 54. Nxa2 bxa2 55. Ra1 Rd2 56. Kg1 Rb2 57. Kh2 Kg6 58. Re1 Kf5 59. Ra1 Ke4 60. Kg3 Kd3 61. Kf3 Kc3 62. Rf1 Rb1 63. Rxb1 axb1Q 0-1

[Event "GER-ch Net blitz qual1"]
[Site "Playchess.com INT"]
[Date "2021.04.24"]
[Round "3"]
[White "Sondermann, Dirk"]
[Black "Kuehn, Viktoria"]
[Result "0-1"]
[ECO "D90"]
[WhiteElo "1521"]
[BlackElo "1763"]
[PlyCount "156"]
[EventDate "2021.04.24"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. Bd2 0-0 7. e4 Nb6 8. Be3 c6 9. h3 N8d7 10. e5 Nd5 11. Nxd5 cxd5 12. Be2 e6 13. 0-0 Nb6 14. Rc1 Bd7 15. Bg5 Qe8 16. Qd2 Bc6 17. Bh6 Qd7 18. Bxg7 Kxg7 19. Qg5 Qd8 20. Qg3 f6 21. h4 Nd7 22. h5 fxe5 23. Nxe5 Nxe5 24. Qxe5+ Qf6 25. Qxf6+ Rxf6 26. hxg6 Rxg6 27. b4 a6 28. Rfe1 Rg8 29. Bd3 Rf6 30. Rc5 h6 31. b5 axb5 32. Bxb5 Rgf8 33. f3 Rc8 34. Rec1 Rff8 35. Bxc6 bxc6 36. Rxc6 Rce8 37. Re1 Kf6 38. Kf2 Rf7 39. a4 Ra7 40. Ra1 Rea8 41. Rc3 Rxa4 42. Rd1 Rb4 43. Rcd3 Ra2+ 44. Kg3 Rbb2 45. Rg1 h5 46. Re3 Kf5 47. Re5+ Kf6 48. Rxh5 Rb4 49. Rh4 Raa4 50. Rf4+ Ke7 51. Rd1 Ra2 52. Rg1 Rb8 53. Rg4 Rf8 54. Rh1 Kd6 55. Rh6 Re8 56. Rgg6 Re2 57. Rh4 Rd2 58. Kf4 Re2 59. g4 Rf8+ 60. Kg5 Rxf3 61. Rhh6 Rd3 62. Rg7 Rxd4 63. Kg6 Rxg4+ 64. Kf7 Rf2+ 65. Kg8 Rfg2 66. Rxg4 Rxg4+ 67. Kf7 Re4 68. Kf6 d4 69. Rh8 e5 70. Rd8+ Kc5 71. Kf5 Re1 72. Rc8+ Kb4 73. Rd8 Kc3 74. Rc8+ Kd2 75. Rh8 d3 76. Rh2+ Re2 77. Rh4 Kc2 78. Ra4 d2 0-1

[Event "GER-ch Net blitz qual1"]
[Site "Playchess.com INT"]
[Date "2021.04.24"]
[Round "11"]
[White "Sondermann, Dirk"]
[Black "Lenhard, Alexander"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "1521"]
[BlackElo "1653"]
[PlyCount "67"]
[EventDate "2021.04.24"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 d6 2. c4 c6 3. Nf3 e6 4. Nc3 Nf6 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. Qc2 Nbd7 9. b3 c5 10. Rd1 cxd4 11. Nxd4 Ne5 12. Ndb5 d5 13. Ba3 Re8 14. Nd6 Bf8 15. Nxe8 Bxa3 16. Nxf6+ Qxf6 17. cxd5 Bc5 18. Ne4 Qf5 19. Qxc5 exd5 20. Qd4 Be6 21. Nd6 Qc2 22. Qxe5 Re8 23. Nxe8 Kf8 24. Nc7 b6 25. Nxe6+ fxe6 26. Qxe6 d4 27. Rac1 Qf5 28. Rc8+ Kg7 29. Qe7+ Kh6 30. Qh4+ Kg7 31. Rc7+ Kf8 32. Qxh7 Qf6 33. Rc8+ Qd8 34. Rxd8# 1-0

[Event "GER-ch Net blitz qual1"]
[Site "Playchess.com INT"]
[Date "2021.04.24"]
[Round "7"]
[White "Sondermann, Dirk"]
[Black "Meissner, Steffen"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "1521"]
[BlackElo "1629"]
[PlyCount "48"]
[EventDate "2021.04.24"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 Bf5 5. e3 e6 6. Bd3 Bxd3 7. Qxd3 Bd6 8. 0-0 0-0 9. h3 Nbd7 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 Rc8 13. Rd1 Bb8 14. g3 Re8 15. Bg5 f6 16. Be3 Qc7 17. Kg2 Nb6 18. Rac1 Rcd8 19. Qc2 Qf7 20. a4 Nc8 21. c5 Ne7 22. Nd2 Nf5 23. Nc4 Qg6 24. Qc3 Nh4+ 0-1

[Event "GER Cup Net V3 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.27"]
[Round "1"]
[White "Heinichen, Nils"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "A83"]
[WhiteElo "1943"]
[BlackElo "1686"]
[PlyCount "91"]
[EventDate "2020.05.27"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. d5 Ne5 6. Qd4 Nf7 7. Bxf6 exf6 8. Qxe4+ Qe7 9. Qxe7+ Bxe7 10. 0-0-0 0-0 11. f4 f5 12. Nf3 d6 13. Bd3 a6 14. Rhe1 Bf6 15. h3 g6 16. Ne2 Bd7 17. Ned4 Rfe8 18. Ne6 Rac8 19. g4 fxg4 20. hxg4 c6 21. Bc4 c5 22. f5 b5 23. Bd3 c4 24. Be4 Ne5 25. Nxe5 Bxe5 26. fxg6 Bxe6 27. gxh7+ Kh8 28. dxe6 Rxe6 29. Bf5 Bf4+ 30. Kb1 Rxe1 31. Rxe1 Be5 32. c3 Rf8 33. Kc2 Kg7 34. b3 cxb3+ 35. axb3 Rf7 36. Kd3 Rc7 37. c4 bxc4+ 38. bxc4 Rb7 39. Rh1 Kh8 40. Rh6 Rb3+ 41. Ke4 a5 42. Re6 Rb8 43. Re7 Bf6 44. Ra7 Re8+ 45. Kd5 Re5+ 46. Kxd6 1-0

[Event "GER Cup Net V3 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.27"]
[Round "6"]
[White "Helbig, Dirk"]
[Black "Sondermann, Dirk"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1545"]
[BlackElo "1686"]
[PlyCount "88"]
[EventDate "2020.05.27"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 f5 2. d4 Nf6 3. Nc3 d6 4. f4 g6 5. Nf3 Bg7 6. e3 0-0 7. Be2 c6 8. 0-0 Qc7 9. Rb1 a5 10. b3 Ne4 11. Nxe4 fxe4 12. Ng5 d5 13. Bb2 h6 14. Nh3 Nd7 15. Bg4 Nf6 16. Bxc8 Qxc8 17. Nf2 a4 18. Rc1 axb3 19. axb3 Ra2 20. Bc3 Qd7 21. Ra1 Rfa8 22. Rxa2 Rxa2 23. Qb1 Re2 24. Re1 Rxf2 25. Kxf2 Ng4+ 26. Kg1 h5 27. Qa2 Kh7 28. h3 Nh6 29. c5 Nf5 30. Qa8 Bh6 31. Kh2 g5 32. fxg5 Bxg5 33. Qf8 Qc7+ 34. Kh1 Bf6 35. Qf7+ Ng7 36. Rf1 Qg3 37. Bd2 Bg5 38. Rf5 h4 39. Rxg5 Qxg5 40. Qf4 Qxf4 41. exf4 Kg6 42. Kh2 Nf5 43. Be1 Nxd4 44. b4 Nb3 0-1

[Event "GER Cup Net V3 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.27"]
[Round "4"]
[White "Sondermann, Dirk"]
[Black "Braeutigam, Katerina"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "1686"]
[BlackElo "1506"]
[PlyCount "105"]
[EventDate "2020.05.27"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 Bf5 5. e3 e6 6. Bd3 Bxd3 7. Qxd3 Bd6 8. 0-0 0-0 9. b3 Nbd7 10. h3 Re8 11. Bb2 dxc4 12. bxc4 e5 13. Ne4 Nxe4 14. Qxe4 exd4 15. Qxd4 Ne5 16. Nxe5 Bxe5 17. Qxd8 Raxd8 18. Bxe5 Rxe5 19. Rab1 Re7 20. Rfd1 Red7 21. Rxd7 Rxd7 22. Kf1 Kf8 23. Ke2 Ke7 24. f4 Kd8 25. g4 Kc7 26. Rb3 Kd6 27. e4 Kc5 28. Rc3 Rd4 29. Ke3 Rd7 30. Rd3 Rxd3+ 31. Kxd3 Kb4 32. e5 b5 33. cxb5 cxb5 34. Kd4 Ka3 35. f5 Kxa2 36. e6 fxe6 37. fxe6 b4 38. e7 b3 39. e8Q b2 40. Qa4+ Kb1 41. Qxa7 Kc1 42. Qc5+ Kd2 43. Qb4+ Kc1 44. Qc3+ Kb1 45. Ke5 Ka2 46. Qc2 Ka1 47. g5 b1Q 48. Qxb1+ Kxb1 49. Ke6 Kc2 50. Kf7 Kd3 51. Kxg7 Ke4 52. Kxh7 Kf5 53. g6 1-0

[Event "GER Cup Net V3 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.27"]
[Round "7"]
[White "Sondermann, Dirk"]
[Black "Moewisch, Dave"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1686"]
[BlackElo "1773"]
[PlyCount "44"]
[EventDate "2020.05.27"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c5 3. g3 Nc6 4. Bg2 Nf6 5. 0-0 Bf5 6. c3 e6 7. h3 Be7 8. dxc5 Bxc5 9. b4 Bd6 10. Nbd2 0-0 11. Nb3 Qb6 12. Be3 Qc7 13. Rc1 Ne4 14. g4 Bg6 15. Nh4 Qe7 16. Nxg6 hxg6 17. Bxe4 dxe4 18. Bc5 Bxc5 19. Nxc5 Rad8 20. Qc2 e3 21. f4 Qh4 22. Kh2 Rd2 0-1

[Event "GER Cup Net V3 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.27"]
[Round "8"]
[White "Sondermann, Dirk"]
[Black "Morczynski, Joachim"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "1686"]
[BlackElo "1560"]
[PlyCount "69"]
[EventDate "2020.05.27"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 e5 7. 0-0 Na6 8. h3 c6 9. Re1 Nc7 10. Bf1 Re8 11. d5 cxd5 12. cxd5 b6 13. Be3 Ba6 14. Rc1 Bxf1 15. Rxf1 Na6 16. Nd2 Nc5 17. Qe2 Nfd7 18. b4 Na6 19. Qxa6 f5 20. f3 f4 21. Bf2 g5 22. Nb5 Nf6 23. Rc7 h5 24. Rfc1 g4 25. Bh4 gxh3 26. gxh3 Kh7 27. Kh2 Rg8 28. Qb7 Rb8 29. Qc6 Qe8 30. Nxd6 Qxc6 31. R1xc6 Ne8 32. Nxe8 Rgxe8 33. Rxa7 b5 34. Rcc7 Rg8 35. Bf6 1-0

[Event "GER Cup Net V3 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.27"]
[Round "5"]
[White "Sondermann, Dirk"]
[Black "Niebergall, Gerhard"]
[Result "0-1"]
[ECO "D63"]
[WhiteElo "1686"]
[BlackElo "1825"]
[PlyCount "80"]
[EventDate "2020.05.27"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Be7 5. Nc3 Nbd7 6. e3 h6 7. Bh4 0-0 8. Rc1 c5 9. cxd5 Nxd5 10. Bxe7 Nxe7 11. Be2 b6 12. 0-0 Bb7 13. Qa4 cxd4 14. Nxd4 Nc5 15. Qa3 Ng6 16. Bf3 Ba6 17. Rfd1 Bb7 18. Nxe6 Qxd1+ 19. Bxd1 fxe6 20. b4 Nd3 21. Rc2 Rad8 22. Bg4 Bc8 23. h3 Nge5 24. Qxa7 Ne1 25. Kf1 Nxc2 26. Qxb6 Nxg4 27. hxg4 Kh7 28. Ke2 Kh8 29. f4 Bd7 30. Ne4 Be8 31. Kf3 Bg6 32. Qxe6 Bxe4+ 33. Qxe4 Rc8 34. f5 Ne1+ 35. Kg3 Nc2 36. b5 Rfe8 37. Qf4 Rxe3+ 38. Qxe3 Nxe3 39. Kf4 Nc4 40. g5 hxg5+ 0-1

[Event "GER Cup Net V3 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.27"]
[Round "2"]
[White "Sondermann, Dirk"]
[Black "Schenk, Jonatan"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "1686"]
[BlackElo "1542"]
[PlyCount "156"]
[EventDate "2020.05.27"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 e6 3. g3 Nf6 4. Bg2 Be7 5. Nbd2 0-0 6. 0-0 d6 7. b3 a5 8. Bb2 a4 9. a3 Ne4 10. b4 c6 11. c4 d5 12. Qc2 Kh8 13. Ne5 Nd7 14. e3 Nxe5 15. dxe5 Nxd2 16. Qxd2 dxc4 17. Qc3 Qd3 18. Rac1 Bd7 19. Rfd1 Qxc3 20. Bxc3 Rfd8 21. Rd2 b5 22. Rcd1 Be8 23. Bd4 Rd7 24. Bb6 Rxd2 25. Rxd2 Rb8 26. Bc7 Rc8 27. Bb6 g5 28. f4 g4 29. h3 h5 30. e4 gxh3 31. Bxh3 fxe4 32. Bxe6 Rb8 33. Bc7 Rb7 34. Bd6 e3 35. Re2 c3 36. Rxe3 c2 37. Rc3 Bg6 38. f5 c1Q+ 39. Rxc1 Be8 40. Bxe7 Rxe7 41. Kf2 Kg7 42. Ke3 Kf8 43. Kf4 Rg7 44. f6 Rg6 45. Rh1 Bf7 46. Bf5 Rg8 47. e6 Bxe6 48. Bxe6 Rg6 49. Ke5 Rg5+ 50. Bf5 Kf7 51. Rd1 Rxg3 52. Kf4 Rg4+ 53. Kf3 Rg5 54. Kf4 Kxf6 55. Rd6+ Kf7 56. Rxc6 Rg1 57. Rc7+ Ke8 58. Rc5 Rf1+ 59. Kg5 h4 60. Kxh4 Rf3 61. Kg5 Rxa3 62. Rxb5 Rb3 63. Kf6 a3 64. Ke6 Kd8 65. Rb8+ Kc7 66. Ra8 Re3+ 67. Kd5 Kb6 68. Ra5 Rb3 69. Kc4 Rf3 70. Be4 Rf4 71. Kd4 Rf1 72. Rxa3 Kb5 73. Bd3+ Kxb4 74. Rc3 Rd1 75. Rc8 Kb3 76. Rb8+ Ka3 77. Kc3 Rc1+ 78. Bc2 Rxc2+ 1-0

[Event "GER Cup Net V3 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.27"]
[Round "9"]
[White "Stumpf, Daniel"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1756"]
[BlackElo "1686"]
[PlyCount "79"]
[EventDate "2020.05.27"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 f5 2. Nc3 Nf6 3. g3 d6 4. Bg2 e5 5. e3 g6 6. Nge2 Bg7 7. 0-0 0-0 8. b4 Nbd7 9. d4 c6 10. b5 Qc7 11. bxc6 bxc6 12. Qa4 e4 13. Nf4 Nb6 14. Qb3 c5 15. Ba3 g5 16. Nfd5 Nfxd5 17. Nxd5 Nxd5 18. cxd5 cxd4 19. Rfc1 Qb6 20. exd4 Bxd4 21. Qxb6 axb6 22. Bxd6 Bxa1 23. Bxf8 Kxf8 24. Rxa1 Ke7 25. f3 e3 26. f4 Kd6 27. fxg5 Bb7 28. h4 Ke5 29. Kf1 Bxd5 30. Bxd5 Kxd5 31. a4 Ke4 32. Ke2 Rd8 33. Rd1 Rxd1 34. Kxd1 Kf3 35. Ke1 Kxg3 36. h5 f4 37. g6 f3 38. g7 f2+ 39. Ke2 Kf4 40. g8Q 1-0

[Event "GER Cup Net V3 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.27"]
[Round "3"]
[White "Weidenhoefer, Max"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1781"]
[BlackElo "1686"]
[PlyCount "89"]
[EventDate "2020.05.27"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Qc7 7. Na3 a6 8. Nc2 cxd4 9. cxd4 f6 10. exf6 Nxf6 11. 0-0 Bd6 12. a3 0-0 13. b4 Rac8 14. Bb2 Qb6 15. Rc1 Na5 16. Ne3 Nc6 17. Qd3 Ne7 18. Ne5 Bb5 19. Qd2 Ne4 20. Qe1 Bxe5 21. dxe5 Rxc1 22. Bxc1 Bxe2 23. Qxe2 Nf5 24. Bb2 Qd8 25. Nxf5 Rxf5 26. f4 Qb6+ 27. Kh1 Qd8 28. g4 Qh4 29. Qg2 Rf8 30. f5 exf5 31. gxf5 Ng5 32. f6 Qe4 33. Qxe4 Nxe4 34. Kg2 gxf6 35. exf6 Kf7 36. Rd1 Rg8+ 37. Kf3 Rg5 38. Kf4 h6 39. h4 Rh5 40. Kg4 Nf2+ 41. Kxh5 Nxd1 42. Bd4 Ke6 43. Kxh6 Nc3 44. Bxc3 d4 45. Bxd4 1-0

[Event "GER Cup Net V2 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.22"]
[Round "5"]
[White "Bashylina, Luisa"]
[Black "Sondermann, Dirk"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "1909"]
[BlackElo "1731"]
[PlyCount "142"]
[EventDate "2020.05.22"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 h6 4. e5 c5 5. c3 Nc6 6. Ngf3 g5 7. Nb3 g4 8. Ng1 h5 9. Bb5 cxd4 10. Nxd4 Qb6 11. Be3 Qc7 12. Nge2 Bd7 13. Nxc6 bxc6 14. Bd3 c5 15. Bf4 Ne7 16. Qd2 Nc6 17. 0-0 Nxe5 18. Qe3 Bd6 19. Bg3 Nxd3 20. Qxd3 Rb8 21. Bxd6 Qxd6 22. Rab1 Bb5 23. Qd2 Bxe2 24. Qxe2 0-0 25. Qe3 e5 26. Rfe1 f6 27. Qh6 Kf7 28. Qxh5+ Ke6 29. Qxg4+ Ke7 30. Qg7+ Rf7 31. Qg4 Rbf8 32. Qf5 Qe6 33. Qxe6+ Kxe6 34. b4 c4 35. Rbd1 Rd8 36. f4 e4 37. Kf2 Rb7 38. Rd4 a5 39. a3 axb4 40. axb4 Ra7 41. Red1 Ra3 42. Rc1 Ra2+ 43. Kf1 Rc8 44. h3 Kf5 45. Rxd5+ Kxf4 46. Rd6 f5 47. Re1 Rg8 48. g4 fxg4 49. Rf6+ Ke5 50. Rf2 gxh3 51. Rxa2 Rf8+ 52. Kg1 Rf3 53. Kh2 Kf4 54. Rae2 e3 55. Kh1 Rf2 56. Rxf2+ exf2 57. Rf1 Ke3 58. Kh2 Ke2 59. Rh1 f1Q 60. Rxf1 Kxf1 61. Kxh3 Ke2 62. Kg3 Kd3 63. Kf2 Kxc3 64. Ke2 Kxb4 65. Kd1 Kb3 66. Kd2 c3+ 67. Kc1 Kc4 68. Kc2 Kd4 69. Kc1 Kd3 70. Kd1 c2+ 71. Kc1 Kc3 1/2-1/2

[Event "GER Cup Net V2 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.22"]
[Round "7"]
[White "Hoppe, Frank"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "1878"]
[BlackElo "1740"]
[PlyCount "50"]
[EventDate "2020.05.22"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. f3 Nf6 7. Bg5 exf3 8. Nxf3 Nbd7 9. Bd3 h6 10. Bh4 c6 11. 0-0 Qa5 12. Qe1 0-0 13. Ne5 Nxe5 14. dxe5 Nd5 15. Qe4 g6 16. c4 Nc3 17. Qf4 Kh7 18. Rae1 Qc5+ 19. Bf2 Qe7 20. h4 h5 21. Be3 Kg8 22. g3 c5 23. Qh6 Bd7 24. Rf6 Bc6 25. Bxg6 Ne4 1-0

[Event "GER Cup Net V2 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.22"]
[Round "4"]
[White "Jansen, Dirk"]
[Black "Sondermann, Dirk"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "1613"]
[BlackElo "1736"]
[PlyCount "91"]
[EventDate "2020.05.22"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. Bg2 d6 4. Nc3 e5 5. d3 g6 6. e4 Bg7 7. Nge2 0-0 8. 0-0 Nc6 9. Nd5 fxe4 10. dxe4 Bg4 11. f3 Be6 12. Bg5 h6 13. Nxf6+ Bxf6 14. Bxh6 Rf7 15. Be3 Bxc4 16. Rf2 Bg7 17. Qc2 Be6 18. Raf1 Qd7 19. a3 a5 20. Nc3 Bc4 21. Rd1 Qe6 22. Nd5 Ba6 23. b3 Rc8 24. h4 Rcf8 25. Kh2 Kh7 26. Bh3 Qe8 27. Qd2 Rxf3 28. Rxf3 Rxf3 29. Bg4 Rf7 30. h5 Qf8 31. hxg6+ Kxg6 32. Bf5+ Rxf5 33. exf5+ Qxf5 34. Qf2 Qh5+ 35. Kg2 Qxd1 36. Nxc7 Qe2 37. Nxa6 Qxa6 38. Qf3 Qb5 39. Qe4+ Kf7 40. Qf5+ Kg8 41. Qe6+ Kh7 42. Qh3+ Kg8 43. Qe6+ Kf8 44. Qc8+ Kf7 45. Qf5+ Kg8 46. Qe6+ 1/2-1/2

[Event "GER Cup Net V2 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.22"]
[Round "6"]
[White "Sondermann, Dirk"]
[Black "Engemann, Till"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1739"]
[BlackElo "1620"]
[PlyCount "210"]
[EventDate "2020.05.22"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. e3 Nf6 4. Bd3 Bd6 5. Nbd2 0-0 6. b3 c5 7. Bb2 Nbd7 8. 0-0 Re8 9. Ne5 Qc7 10. f4 b6 11. Qe2 Bb7 12. Rac1 Ne4 13. Bb5 Bxe5 14. fxe5 a6 15. Bd3 Nf8 16. Nf3 b5 17. c3 c4 18. Bb1 Ng6 19. Bxe4 dxe4 20. Ng5 Re7 21. Ba3 Rd7 22. Qh5 h6 23. Nxf7 Rxf7 24. Qxg6 Bd5 25. Bd6 Qd7 26. Rxf7 Qxf7 27. Qxf7+ Kxf7 28. Rf1+ Kg8 29. b4 Rc8 30. g3 Re8 31. Rf2 Rc8 32. Kg2 Re8 33. a3 Rc8 34. Rf4 Re8 35. Kh3 Rc8 36. g4 Re8 37. Kg3 Rc8 38. h4 g5 39. hxg5 hxg5 40. Rf6 Kg7 41. Rf2 Rh8 42. Be7 Rh1 43. Bf6+ Kg6 44. Bd8 Ra1 45. Rf6+ Kg7 46. Bc7 Rxa3 47. Bd6 Rxc3 48. Bf8+ Kg8 49. Bh6 Rxe3+ 50. Kf2 Rf3+ 51. Rxf3 exf3 52. Bxg5 Kf7 53. Bd2 Kg6 54. Kg3 Kf7 55. Bc3 Ke8 56. Bd2 Kd7 57. Bc3 Kc6 58. g5 Be4 59. Be1 Kd5 60. Bc3 Kc6 61. g6 Bxg6 62. Kxf3 Bd3 63. Kf4 Kd7 64. Kg5 Ke7 65. Kf4 Kf7 66. Kg5 Kg7 67. Bd2 Kf7 68. Bc3 Ke7 69. Kf4 Bf5 70. Ke3 Bh3 71. Kf4 Bg2 72. Ke3 Bd5 73. Kf4 Kd7 74. Ke3 Kc6 75. Kf4 Kb6 76. Ke3 Kb7 77. Kd2 Kb6 78. Kc2 Kc6 79. Kd2 Kb6 80. Ke3 Kb7 81. Kd2 a5 82. Ke3 a4 83. Kd2 Kc6 84. Ke3 Kd7 85. Kf4 Ke7 86. Kg5 Kf7 87. Bb2 Kg7 88. Bc3 a3 89. Kh5 Kf7 90. Kg5 Ke7 91. Kf4 Kd7 92. Ke3 Kc6 93. Kd2 Bf3 94. Ke3 Kd5 95. Ba1 Bh1 96. Bc3 Bg2 97. Kd2 Ke4 98. Kc2 Ke3 99. Kc1 Kd3 100. Ba1 c3 101. Kd1 Kxd4 102. Kc2 Be4+ 103. Kb3 Kd3 104. Bxc3 Bd5+ 105. Kxa3 Kxc3 1/2-1/2

[Event "GER Cup Net V2 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.22"]
[Round "9"]
[White "Sondermann, Dirk"]
[Black "Friemel, Reinhard"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1706"]
[BlackElo "1646"]
[PlyCount "94"]
[EventDate "2020.05.22"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 a6 6. Be2 b5 7. dxc5 Bxc5 8. 0-0 Nge7 9. Nb3 Bd6 10. Bxd6 Qxd6 11. c3 Bd7 12. e4 0-0 13. Re1 Rad8 14. e5 Qc7 15. Bf1 Ng6 16. Qe2 Na5 17. g3 Nxb3 18. axb3 Bc8 19. h4 Ne7 20. Qd3 g6 21. h5 f5 22. hxg6 hxg6 23. Ng5 Qb6 24. b4 Kg7 25. Bg2 Rh8 26. Rf1 Rh5 27. Nf3 Rdh8 28. Rfe1 Bb7 29. Nd4 Kf7 30. Bf3 Rh2 31. Rac1 Nc6 32. Rcd1 Nxd4 33. Qxd4 Qxd4 34. Rxd4 R2h6 35. b3 g5 36. Bg2 Ke7 37. c4 bxc4 38. bxc4 Rd8 39. c5 Bc6 40. Ra1 Bb5 41. Bf1 Bxf1 42. Kxf1 Rh1+ 43. Ke2 Rxa1 44. b5 axb5 45. c6 Rc8 46. Rb4 Ra5 47. Rxb5 Rxb5 0-1

[Event "GER Cup Net V2 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.22"]
[Round "3"]
[White "Sondermann, Dirk"]
[Black "Rost, Detlef"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1719"]
[BlackElo "1731"]
[PlyCount "129"]
[EventDate "2020.05.22"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 Bf5 4. c4 e6 5. Nc3 Be7 6. Bd3 Bxd3 7. Qxd3 0-0 8. 0-0 dxc4 9. Qxc4 a6 10. Bd2 Nbd7 11. Rac1 Nb6 12. Qb3 c5 13. Rfd1 c4 14. Qc2 Rc8 15. e4 h6 16. Be3 Qc7 17. h3 Rfd8 18. Qe2 Qc6 19. Bf4 Qe8 20. a3 Na4 21. Ne5 Nxc3 22. Rxc3 b5 23. Ng4 Nxg4 24. Qxg4 Kh7 25. Rg3 Qf8 26. Rf3 f6 27. h4 Qf7 28. d5 exd5 29. exd5 Rxd5 30. Re1 Rdd8 31. Rfe3 Re8 32. h5 Bc5 33. Rxe8 Rxe8 34. Rxe8 Qxe8 35. Qf5+ Kh8 36. Qxc5 Qe1+ 37. Kh2 Qe2 38. Qe3 Qxh5+ 39. Kg1 Qd1+ 40. Kh2 Qh5+ 41. Kg3 Qg6+ 42. Kf3 Kh7 43. Qe4 f5 44. Qe5 Qg4+ 45. Ke3 h5 46. g3 Qg6 47. Qe7 Qc6 48. Qe5 g6 49. Qc7+ Qxc7 50. Bxc7 g5 51. Bd8 Kg6 52. Kd4 g4 53. Kd5 Kf7 54. Bg5 Ke8 55. Kc5 Kd7 56. Kb6 Kd6 57. Kxa6 Kc6 58. Ka5 Kc5 59. Be3+ Kc6 60. Kb4 Kd5 61. Kxb5 Ke4 62. a4 Kd3 63. a5 c3 64. bxc3 Kxc3 65. a6 1-0

[Event "GER Cup Net V2 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.22"]
[Round "8"]
[White "Sondermann, Dirk"]
[Black "Schmitt, Roland"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1728"]
[BlackElo "1622"]
[PlyCount "102"]
[EventDate "2020.05.22"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 e6 7. 0-0 b6 8. h3 Bb7 9. d5 exd5 10. cxd5 Re8 11. Qc2 Ba6 12. Bb5 Bxb5 13. Nxb5 Re7 14. Re1 a6 15. Nc3 Nbd7 16. b4 a5 17. b5 Nc5 18. Ba3 Ncxe4 19. Nxe4 Nxe4 20. Rac1 Nc3 21. Rxe7 Qxe7 22. Re1 Qf8 23. Bb2 Nxd5 24. Bxg7 Kxg7 25. Qc6 Nb4 26. Qc3+ Kg8 27. a3 Nd5 28. Qc6 Nf6 29. Ng5 Re8 30. Rc1 Re7 31. Nf3 Qe8 32. Nd4 Re1+ 33. Rxe1 Qxe1+ 34. Kh2 Qe5+ 35. g3 Qxd4 36. Qxc7 Kg7 37. Kg2 Qd5+ 38. Kg1 Qe5 39. Qc6 Qe1+ 40. Kg2 Qd2 41. h4 Qd4 42. Qf3 Qe4 43. Qxe4 Nxe4 44. Kf3 d5 45. Ke3 Kf6 46. f3 Nc5 47. Kd4 Ke6 48. g4 f5 49. h5 f4 50. hxg6 hxg6 51. Kc3 Ke5 0-1

[Event "GER Cup Net V2 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.22"]
[Round "1"]
[White "Sondermann, Dirk"]
[Black "Schulz, Gerhard1"]
[Result "1-0"]
[ECO "E19"]
[WhiteElo "1722"]
[BlackElo "1405"]
[PlyCount "29"]
[EventDate "2020.05.22"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d5 10. Ne5 Nd7 11. cxd5 Nxe5 12. dxe5 Bxd5 13. Rd1 c6 14. e4 Qc7 15. exd5 1-0

[Event "GER Cup Net V2 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.22"]
[Round "2"]
[White "Wagner, Rainer"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "1931"]
[BlackElo "1726"]
[PlyCount "71"]
[EventDate "2020.05.22"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 d6 4. b3 g6 5. Bb2 Bg7 6. c4 0-0 7. Bg2 a5 8. Nc3 Na6 9. 0-0 c6 10. Rc1 Qc7 11. Qc2 e5 12. c5 exd4 13. cxd6 Qxd6 14. Na4 Nb4 15. Qb1 Ne4 16. a3 Na6 17. Rfd1 c5 18. Nd2 b5 19. Nxe4 fxe4 20. Bxe4 Ra7 21. Nxc5 Nxc5 22. b4 Nxe4 23. Qxe4 Raf7 24. Bxd4 Bxd4 25. Rxd4 Qf6 26. f3 axb4 27. Rxb4 Bb7 28. Qd3 Rd8 29. Qb3 Qb6+ 30. Kg2 Ba6 31. Rf4 Rdf8 32. Rd1 Kg7 33. Qb2+ Kh6 34. Rh4+ Kg5 35. Rd5+ Rf5 36. f4# 1-0

[Event "GER Cup Net V1 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.19"]
[Round "8"]
[White "Bendrich, Thorsten"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1674"]
[BlackElo "1733"]
[PlyCount "121"]
[EventDate "2020.05.19"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nc3 f5 2. e4 fxe4 3. Nxe4 Nf6 4. Nxf6+ exf6 5. Bc4 d5 6. Bb3 c6 7. d4 g6 8. Nf3 Bg7 9. 0-0 0-0 10. Bf4 Bg4 11. h3 Bxf3 12. Qxf3 Nd7 13. Rfe1 Qb6 14. c3 Rfe8 15. Bd6 f5 16. Bf4 Nf6 17. Be5 Ne4 18. Bf4 Qd8 19. Re2 Qd7 20. Rae1 Nf6 21. Qd3 Rxe2 22. Rxe2 Re8 23. Rxe8+ Qxe8 24. Qe3 Qxe3 25. Bxe3 Kf7 26. f3 Ke6 27. Kf2 Ne8 28. Bf4 h6 29. Bb8 a6 30. Ba7 Nd6 31. Bc5 Nb5 32. Ke3 g5 33. c4 Nc7 34. cxd5+ Nxd5+ 35. Kd3 f4 36. Ke4 Bf6 37. Bf8 h5 38. Bc4 b5 39. Bb3 a5 40. a3 a4 41. Ba2 Bd8 42. Bg7 Bc7 43. Kd3 Bd8 44. Be5 Be7 45. Bb1 Kd7 46. Ke2 Bd6 47. Bf5+ Kc7 48. Bg7 b4 49. axb4 Bxb4 50. Bh6 a3 51. bxa3 Bxa3 52. Bxg5 Nc3+ 53. Kd3 Nd5 54. Bg6 Bd6 55. Bxh5 Nb4+ 56. Ke4 Kb6 57. Bxf4 Be7 58. g4 Nc2 59. g5 Ne1 60. g6 Ng2 61. g7 1-0

[Event "GER Cup Net V1 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.19"]
[Round "7"]
[White "Heinrich, John"]
[Black "Sondermann, Dirk"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "1112"]
[BlackElo "1733"]
[PlyCount "68"]
[EventDate "2020.05.19"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. h4 Nbc6 8. Qg4 Nf5 9. Bd3 h5 10. Qd1 cxd4 11. cxd4 Nfxd4 12. f4 g6 13. Ne2 Nxe2 14. Qxe2 Qb6 15. Be3 Qa5+ 16. Bd2 Qc7 17. Rh3 Bd7 18. Rb1 Rc8 19. c4 Nd4 20. Qe3 dxc4 21. Qxd4 cxd3 22. Rxd3 Bc6 23. Rc3 Rd8 24. Qc5 Rd5 25. Qxa7 0-0 26. Be3 Qd7 27. Rbc1 Rd8 28. Kf2 Qe7 29. Bc5 Qxh4+ 30. g3 Qh2+ 31. Kf3 Rxc5+ 32. Ke3 Rxc3+ 33. Rxc3 Qxg3+ 34. Ke2 Qxc3 0-1

[Event "GER Cup Net V1 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.19"]
[Round "2"]
[White "Lehmann, Ruben"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1607"]
[BlackElo "1733"]
[PlyCount "33"]
[EventDate "2020.05.19"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 f5 2. h3 d5 3. c4 c6 4. Bf4 Nf6 5. Nd2 e6 6. Ngf3 Be7 7. e3 0-0 8. Bd3 Ne4 9. Ne5 Bd7 10. Qe2 Be8 11. 0-0-0 g5 12. Bh2 Qa5 13. Kb1 Qb4 14. Bxe4 fxe4 15. h4 Nd7 16. hxg5 Nxe5 17. Bxe5 1-0

[Event "GER Cup Net V1 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.19"]
[Round "5"]
[White "Meschke, Andreas"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "1893"]
[BlackElo "1733"]
[PlyCount "115"]
[EventDate "2020.05.19"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. Bd2 c5 6. Nb5 Bxd2+ 7. Qxd2 0-0 8. c3 cxd4 9. Nxd4 Nbc6 10. Ngf3 Nxd4 11. Nxd4 Nc6 12. f4 Qb6 13. Bd3 g6 14. Nf3 Bd7 15. 0-0-0 Rac8 16. h4 d4 17. c4 Nb4 18. Kb1 Bc6 19. h5 Nxd3 20. Qxd3 Bxf3 21. gxf3 Rfd8 22. Rd2 Qc6 23. b3 b5 24. cxb5 Qc3 25. Rhd1 Rd5 26. h6 Kf8 27. Rc2 Qxc2+ 28. Qxc2 Rxc2 29. Kxc2 g5 30. fxg5 Rxe5 31. Rxd4 Rxg5 32. Rd7 Rxb5 33. Rxa7 Rf5 34. Kb2 Rxf3 35. a4 Rf2+ 36. Ka3 Rh2 37. a5 Rxh6 38. a6 e5 39. Ra8+ Kg7 40. a7 Rh1 41. b4 Ra1+ 42. Kb3 f5 43. Kc4 e4 44. b5 e3 45. b6 e2 46. Re8 Rc1+ 47. Kd3 e1Q 48. Rxe1 Rxe1 49. a8Q Kf6 50. Qc6+ Kg5 51. Qc3 Re4 52. Qd2+ f4 53. b7 Re8 54. Qb4 Rd8+ 55. Ke2 Re8+ 56. Kf3 Rb8 57. Qxf4+ Kg6 58. Qxb8 1-0

[Event "GER Cup Net V1 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.19"]
[Round "9"]
[White "Sondermann, Dirk"]
[Black "Friemel, Reinhard"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "1733"]
[BlackElo "1639"]
[PlyCount "87"]
[EventDate "2020.05.19"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 c6 5. Bg5 a6 6. e3 Be7 7. Qc2 h6 8. Bxf6 Bxf6 9. Rc1 Nd7 10. Be2 b5 11. b3 Bb7 12. 0-0 bxc4 13. bxc4 0-0 14. Rb1 Qc7 15. Rfc1 Rab8 16. cxd5 cxd5 17. Nxd5 Qd6 18. Nxf6+ Nxf6 19. h3 Be4 20. Bd3 Rxb1 21. Rxb1 Bxf3 22. gxf3 Nd5 23. Qc5 Qxc5 24. dxc5 Rc8 25. c6 g6 26. Bxa6 Rxc6 27. Bb7 Rb6 28. Rxb6 Nxb6 29. Kf1 Kf8 30. Ke2 Ke7 31. Kd3 Kd6 32. Kc3 Kc5 33. f4 Nd7 34. Be4 f5 35. Bd3 Nb6 36. Kb3 Nd5 37. a4 g5 38. fxg5 hxg5 39. Bc4 Nc7 40. a5 e5 41. a6 Kb6 42. Be6 Nxe6 43. Kc4 Kxa6 44. Kd5 1-0

[Event "GER Cup Net V1 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.19"]
[Round "4"]
[White "Sondermann, Dirk"]
[Black "Grosse, Manfred"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "1733"]
[BlackElo "1648"]
[PlyCount "71"]
[EventDate "2020.05.19"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 d6 4. c4 b5 5. cxb5 a6 6. b6 Nbd7 7. Nc3 Qxb6 8. e4 g6 9. Qc2 Bg7 10. h3 0-0 11. Be2 Ne8 12. 0-0 Nc7 13. a4 Rb8 14. Nd2 Qb4 15. Ra3 Na8 16. Rb3 Qa5 17. Rxb8 Nxb8 18. Nc4 Qb4 19. Bd2 Nd7 20. Nb5 axb5 21. Bxb4 cxb4 22. Na5 bxa4 23. Nc6 a3 24. Nxe7+ Kh8 25. Nxc8 axb2 26. Nxd6 Nab6 27. Rb1 Be5 28. Nc4 Nxc4 29. Qxc4 Bc3 30. Qb3 Nc5 31. Qc4 Rc8 32. Bg4 Rc7 33. Rxb2 Bxb2 34. Qxb4 Be5 35. g3 Nd3 36. Qf8# 1-0

[Event "GER Cup Net V1 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.19"]
[Round "3"]
[White "Sondermann, Dirk"]
[Black "Hein, Ralf1"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1733"]
[BlackElo "1609"]
[PlyCount "113"]
[EventDate "2020.05.19"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. Bf4 Nf6 4. e3 e6 5. c4 Bd6 6. Bg3 Bxg3 7. hxg3 dxc4 8. Nc3 0-0 9. Bxc4 a6 10. a4 Ne7 11. Qc2 Ng6 12. 0-0 c6 13. Rfd1 Qc7 14. Bd3 c5 15. Ne2 b6 16. dxc5 Qxc5 17. Qxc5 bxc5 18. Rdc1 Rb8 19. Rab1 Rd8 20. Bxg6 hxg6 21. Rxc5 Ne4 22. Rcc1 Nd2 23. Nxd2 Rxd2 24. Nd4 Bd7 25. b3 e5 26. Nc6 Bxc6 27. Rxc6 a5 28. Rc5 Ra8 29. Rxe5 Ra7 30. Rb5 f6 31. Rc1 Kh7 32. Rbc5 Rb2 33. R5c3 Rb7 34. R1c2 Rxc2 35. Rxc2 Rxb3 36. Rc5 Rb1+ 37. Kh2 Rb2 38. Rxa5 Rxf2 39. g4 Re2 40. Ra8 Rxe3 41. a5 Ra3 42. a6 g5 43. a7 Kg6 44. Kg1 Ra4 45. Kf2 Ra3 46. Ke2 Kf7 47. Kd2 g6 48. Kc2 f5 49. Kb2 Ra6 50. Kb3 f4 51. Kb4 Ra2 52. Kc5 Ke7 53. Rg8 Rxa7 54. Rg7+ Ke6 55. Rxa7 Ke5 56. Re7+ Kf6 57. Re2 1-0

[Event "GER Cup Net V1 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.19"]
[Round "6"]
[White "Sondermann, Dirk"]
[Black "Sauk, Peter"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1733"]
[BlackElo "1871"]
[PlyCount "88"]
[EventDate "2020.05.19"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 f5 2. Qd3 d6 3. g4 g6 4. Nc3 Bg7 5. gxf5 gxf5 6. Nf3 Nc6 7. a3 Bd7 8. Bg5 Nf6 9. Bh3 e6 10. d5 Ne5 11. Nxe5 dxe5 12. 0-0-0 e4 13. Qc4 Qc8 14. Rhg1 e5 15. Kb1 a6 16. f3 exf3 17. exf3 b5 18. Qb3 Qb7 19. Rge1 0-0-0 20. Rxe5 Rde8 21. Rxe8+ Rxe8 22. a4 bxa4 23. Qxb7+ Kxb7 24. d6 c5 25. Bxf6 Bxf6 26. Nd5 Be5 27. Ne3 Bxh2 28. Nxf5 Kc6 29. f4 Bxf4 30. Bg2+ Kb6 31. Ne7 Bxd6 32. Nd5+ Ka5 33. Nf6 Re6 34. Nxd7 Re7 35. Nb8 Bxb8 36. Rc1 h5 37. Ka2 Rh7 38. Bd5 h4 39. Bc4 h3 40. b3 h2 41. Kb2 h1Q 42. Rxh1 Rxh1 43. b4+ Kxb4 44. c3+ Ka5 0-1

[Event "GER Cup Net V1 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.19"]
[Round "1"]
[White "Weber, Michael"]
[Black "Sondermann, Dirk"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1574"]
[BlackElo "1733"]
[PlyCount "124"]
[EventDate "2020.05.19"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. c4 d6 4. Nc3 g6 5. Bg5 Nbd7 6. Bxf6 Nxf6 7. e3 Bg7 8. Bd3 0-0 9. 0-0 c6 10. Qc2 Qc7 11. b4 e5 12. dxe5 dxe5 13. Be2 e4 14. Nd4 Bd7 15. Rfd1 Rad8 16. Rac1 Bc8 17. c5 Kh8 18. Bc4 Ng4 19. g3 Ne5 20. Be6 Rxd4 21. Rxd4 Nf3+ 22. Kg2 Nxd4 23. exd4 Bxe6 24. Rd1 Rd8 25. a3 Rxd4 26. Rxd4 Bxd4 27. Ne2 Bg7 28. Qd2 Qd7 29. Qf4 h6 30. Qb8+ Kh7 31. Qxa7 Bd5 32. Qa4 e3+ 33. f3 Bc4 34. Qc2 Bxe2 35. Qxe2 Qd2 36. Kf1 Qxe2+ 37. Kxe2 Bd4 38. a4 Kg7 39. Kd3 e2 40. Kxe2 Kf6 41. Kd3 Ke5 42. f4+ Kd5 43. h3 h5 44. b5 Bf2 45. bxc6 bxc6 46. a5 Bxc5 47. a6 Bb6 48. g4 fxg4 49. hxg4 hxg4 50. f5 gxf5 51. a7 Bxa7 52. Ke2 Ke4 53. Kf1 Kf3 54. Ke1 g3 55. Kd2 g2 56. Kd3 g1Q 57. Kc4 Qd4+ 58. Kb3 c5 59. Ka3 Qb4+ 60. Ka2 c4 61. Ka1 Bd4+ 62. Ka2 Qb2# 0-1

[Event "GER-ch Net Amateur Gr-B Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "5"]
[White "Bieler, Janek"]
[Black "Sondermann, Dirk"]
[Result "0-1"]
[ECO "A87"]
[WhiteElo "1743"]
[BlackElo "1680"]
[PlyCount "98"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 d6 4. Bg2 g6 5. Nc3 Bg7 6. Nf3 0-0 7. 0-0 Qe8 8. e3 e5 9. dxe5 dxe5 10. Nd5 Na6 11. b3 c6 12. Nxf6+ Bxf6 13. Bb2 Qe7 14. Qe2 e4 15. Nd4 Rd8 16. Rab1 Nc5 17. Rfd1 Nd3 18. Bf1 Nxb2 19. Rxb2 c5 20. Nxf5 Bxf5 21. Rxd8+ Rxd8 22. Rd2 Rxd2 23. Qxd2 Qd7 24. Qa5 b6 25. Qa6 Qd1 26. Kg2 Bh3+ 27. Kxh3 Qxf1+ 28. Kg4 Qxf2 29. Qc8+ Kg7 30. Qd7+ Kh6 31. Kh3 Qf5+ 32. Qxf5 gxf5 33. g4 Bg5 34. gxf5 Bxe3 35. Kg4 Bd4 36. Kf4 e3 37. Kf3 Kg5 38. h4+ Kxf5 39. b4 Ke5 40. a3 h5 41. bxc5 bxc5 42. a4 a5 43. Ke2 Ke4 44. Ke1 Kd3 45. Kd1 Bc3 46. Kc1 e2 47. Kb1 e1Q+ 48. Ka2 Qa1+ 49. Kb3 Qb2# 0-1

[Event "GER-ch Net Amateur Gr-B Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "12"]
[White "Fruth, David"]
[Black "Sondermann, Dirk"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "1732"]
[BlackElo "1680"]
[PlyCount "100"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 h6 4. Ngf3 Nf6 5. e5 Nfd7 6. Bd3 c5 7. c3 Nc6 8. Nb3 c4 9. 0-0 cxd3 10. Qxd3 a5 11. a4 b6 12. Qb5 Qc7 13. Qd3 Ba6 14. Qe3 Bxf1 15. Kxf1 Ne7 16. Kg1 Nf5 17. Qd3 Be7 18. Bd2 0-0 19. Re1 Rac8 20. Bf4 Qc4 21. Qc2 Qxa4 22. Nfd2 Qc6 23. Nf3 a4 24. Nbd2 b5 25. Ra1 Nb6 26. Rc1 b4 27. h3 b3 28. Qd1 Nc4 29. Nxc4 Qxc4 30. Nd2 Qd3 31. Qe1 a3 32. bxa3 b2 33. Rb1 Bxa3 34. Nf3 Rxc3 35. Rd1 Qc4 36. Rb1 Nxd4 37. Nd2 Rc1 38. Nxc4 Rxe1+ 39. Rxe1 dxc4 40. Be3 Nc2 41. Rb1 Nxe3 42. fxe3 c3 43. Kf2 c2 44. Re1 c1Q 45. Rxc1 bxc1Q 46. Kf3 Bc5 47. g4 Qxe3+ 48. Kg2 Rd8 49. g5 Rd2+ 50. Kf1 Qe2# 0-1

[Event "GER-ch Net Amateur Gr-B Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "13"]
[White "Hess, Martin"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1790"]
[BlackElo "1680"]
[PlyCount "65"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. f4 d5 3. e5 c5 4. b4 cxb4 5. a3 Nc6 6. Nf3 Bd7 7. axb4 Bxb4 8. c3 Bf8 9. d4 Rc8 10. Bd3 a6 11. 0-0 Nge7 12. Ba3 Nf5 13. Bxf5 exf5 14. Bxf8 Kxf8 15. Qb3 Be6 16. Qxb7 Ne7 17. Rxa6 Rb8 18. Qa7 h6 19. Nbd2 Qc8 20. Rb1 Rxb1+ 21. Nxb1 Qc4 22. Rd6 g6 23. Rd8+ Kg7 24. Rxh8 Qe2 25. h3 Kxh8 26. Qxe7 Qe3+ 27. Kf1 Qc1+ 28. Kf2 Qxb1 29. Qa3 Qe4 30. Kg3 g5 31. Qf8+ Kh7 32. fxg5 f4+ 33. Kh4 1-0

[Event "GER-ch Net Amateur Gr-B Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "7"]
[White "Mischke, Christian"]
[Black "Sondermann, Dirk"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1766"]
[BlackElo "1680"]
[PlyCount "50"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. e3 d6 4. Bd3 g6 5. c4 Bg7 6. Nc3 0-0 7. 0-0 Nc6 8. b3 e5 9. d5 Nb4 10. e4 Nxd3 11. Qxd3 fxe4 12. Nxe4 Nxe4 13. Qxe4 Bf5 14. Qe2 e4 15. Nd2 Bxa1 16. Nxe4 Bg7 17. Bg5 Qe8 18. f3 Bxe4 19. fxe4 Rxf1+ 20. Qxf1 Qxe4 21. h3 Rf8 22. Qd1 Bd4+ 23. Kh1 Be5 24. Kg1 Qf5 25. Bh6 Qf2+ 0-1

[Event "GER-ch Net Amateur Gr-B Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "10"]
[White "Niebergall, Gerhard"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1856"]
[BlackElo "1680"]
[PlyCount "99"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nc6 5. Bd3 Bd6 6. 0-0 Nge7 7. Bg5 f6 8. Bh4 Bg4 9. c3 Qd7 10. Nbd2 Bf5 11. Qc2 0-0 12. Rfe1 Bxd3 13. Qxd3 a6 14. Bg3 Qf5 15. Qe2 Rfe8 16. Bxd6 cxd6 17. Qe6+ Qxe6 18. Rxe6 Rad8 19. Rae1 Kf7 20. R6e2 Ng6 21. Rxe8 Rxe8 22. Rxe8 Kxe8 23. Nf1 Nce7 24. Ne3 Nf4 25. Ne1 Kd7 26. Kf1 Kc6 27. g3 Ne6 28. N1c2 a5 29. Ke2 b5 30. Kd3 Ng5 31. Ne1 Ne4 32. f3 Ng5 33. h4 Ne6 34. N1c2 Nf8 35. Ne1 Nd7 36. N1g2 Nb6 37. b3 a4 38. Nf4 g5 39. hxg5 fxg5 40. Ne6 h6 41. Nd8+ Kd7 42. Nf7 Ng8 43. Nf5 Ke6 44. N7xh6 Nxh6 45. Nxh6 axb3 46. axb3 Nd7 47. Ng4 Kf5 48. Ne3+ Kf6 49. Nxd5+ Kg6 50. Nc7 1-0

[Event "GER-ch Net Amateur Gr-B Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "1"]
[White "Schulz, Marc Daniel"]
[Black "Sondermann, Dirk"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1776"]
[BlackElo "1680"]
[PlyCount "78"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. Ne2 Bd6 6. c3 Nge7 7. h3 Bf5 8. 0-0 Qd7 9. Bxf5 Nxf5 10. Bf4 0-0 11. Bxd6 Nxd6 12. Ng3 Rfe8 13. Nd2 g6 14. Qc2 f5 15. Rae1 Ne4 16. Ngxe4 fxe4 17. Re3 Ne7 18. Rfe1 Nf5 19. R3e2 c6 20. Nf1 Rf8 21. Ne3 Nxe3 22. Rxe3 Rf6 23. Rf1 Raf8 24. f3 exf3 25. Rfxf3 Rxf3 26. Rxf3 Rxf3 27. gxf3 Qxh3 28. Qg2 Qxg2+ 29. Kxg2 Kg7 30. Kg3 Kf6 31. Kg4 h5+ 32. Kf4 g5+ 33. Kg3 Kf5 34. b3 h4+ 35. Kg2 Kf4 36. Kf2 b6 37. a4 a5 38. b4 h3 39. bxa5 bxa5 0-1

[Event "GER-ch Net Amateur Gr-B Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "4"]
[White "Sondermann, Dirk"]
[Black "Becker, Wolfgang"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1680"]
[BlackElo "1773"]
[PlyCount "139"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. e3 Bg4 4. Be2 Nf6 5. Ne5 Bxe2 6. Qxe2 Nbd7 7. f4 Ne4 8. 0-0 Ndf6 9. c4 e6 10. g4 Be7 11. g5 Nd7 12. cxd5 exd5 13. Nc3 Nxe5 14. dxe5 Nxc3 15. bxc3 Qd7 16. Bd2 0-0-0 17. Rab1 Bc5 18. Kh1 h6 19. gxh6 Rxh6 20. Rg1 g6 21. Qg4 Rdh8 22. Qxd7+ Kxd7 23. Rg2 Rh3 24. Rxb7+ Ke6 25. Re2 Bb6 26. a4 f6 27. exf6 Kxf6 28. a5 Bxa5 29. Rxa7 Bd8 30. Ra6 Kf5 31. Rxc6 Re8 32. Kg2 Rh7 33. Kf3 Rd7 34. Be1 g5 35. Bg3 g4+ 36. Kg2 Re4 37. h3 gxh3+ 38. Kxh3 Bf6 39. Kg2 Rc4 40. Rxc4 dxc4 41. Be1 Rd3 42. Kf3 Bxc3 43. Bxc3 Rxc3 44. Kf2 Rd3 45. Rc2 c3 46. Ke2 Rd8 47. Rxc3 Ke4 48. Rc4+ Kf5 49. Kf3 Rd3 50. Rc5+ Kf6 51. Ke4 Ra3 52. Rc6+ Kf7 53. f5 Ra4+ 54. Kf3 Ra3 55. Kf4 Ra4+ 56. e4 Ra1 57. Rd6 Ra4 58. Ke5 Ra5+ 59. Rd5 Ra1 60. Rd7+ Ke8 61. Ke6 Ra6+ 62. Rd6 Ra4 63. e5 Ra1 64. f6 Rf1 65. Rb6 Kd8 66. Rb8+ Kc7 67. Rg8 Rf2 68. Ke7 Re2 69. e6 Re1 70. f7 1-0

[Event "GER-ch Net Amateur Gr-B Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "6"]
[White "Sondermann, Dirk"]
[Black "Brunner, Sophia"]
[Result "0-1"]
[ECO "E54"]
[WhiteElo "1680"]
[BlackElo "1855"]
[PlyCount "110"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. Bg5 0-0 6. e3 c5 7. Rc1 cxd4 8. exd4 dxc4 9. Bxc4 Nbd7 10. 0-0 Nb6 11. Bb3 Nfd5 12. Bxe7 Qxe7 13. Re1 Qd6 14. Ne4 Qd8 15. a3 Bd7 16. Nc5 Bc6 17. Ne5 Qd6 18. Ne4 Qd8 19. Nxc6 bxc6 20. Rxc6 Rc8 21. Rxc8 Qxc8 22. Nc5 Rd8 23. Qg4 Nf6 24. Qh4 Rd6 25. h3 Nbd7 26. Nxd7 Qxd7 27. Rc1 h6 28. Rc4 Nd5 29. Qg3 Nb6 30. Rb4 a5 31. Rb5 Qxb5 32. Qxd6 Qxb3 33. Qd8+ Kh7 34. Qe7 Qd1+ 35. Kh2 Qxd4 36. Qxf7 Qe5+ 37. Kg1 Qxb2 38. h4 Qc1+ 39. Kh2 Qc6 40. h5 Qd6+ 41. g3 e5 42. Qf5+ Kg8 43. Qe4 Nd5 44. Qf5 Ne7 45. Qc2 Qc6 46. Qd2 Qd5 47. Qe2 Qe6 48. Qf3 Nc6 49. Qe4 Kf7 50. g4 Ke7 51. Qh7 Qf6 52. Qh8 Qxf2+ 53. Kh1 Qf3+ 54. Kh2 Qxg4 55. Qc8 Qxc8 0-1

[Event "GER-ch Net Amateur Gr-B Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "2"]
[White "Sondermann, Dirk"]
[Black "Hoppe, Frank"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1680"]
[BlackElo "1780"]
[PlyCount "102"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 c5 5. b3 Nc6 6. Nbd2 Be7 7. Bb2 0-0 8. 0-0 a6 9. Ne5 Nxe5 10. dxe5 Nd7 11. f4 b5 12. c4 bxc4 13. bxc4 Bb7 14. Rb1 Bc6 15. Bxh7+ Kxh7 16. Qh5+ Kg8 17. Rf3 d4 18. Rh3 f5 19. exd4 cxd4 20. Qh7+ Kf7 21. Qh5+ g6 22. Qh7+ Ke8 23. Qxg6+ Rf7 24. Rh7 Nc5 25. Qxf7+ Kd7 26. Bxd4 Nb7 27. Rxb7+ Bxb7 28. Bc5 Qe8 29. Qxe7+ Qxe7 30. Rxe7+ Kc6 31. Bf2 Bc8 32. Rxe6+ Bxe6 33. c5 Kd5 34. Nf3 Rb8 35. h3 Rb2 36. Ng5 Bd7 37. h4 Rxa2 38. h5 Ra1+ 39. Kh2 Rf1 40. Bg3 Kxc5 41. h6 a5 42. h7 a4 43. h8Q a3 44. Qf6 a2 45. Qd6+ Kc4 46. Qxd7 a1Q 47. Qc6+ Kd4 48. Ne6+ Ke3 49. Qf3+ Rxf3 50. gxf3 Qa2+ 51. Kh1 Qxe6 0-1

[Event "GER-ch Net Amateur Gr-B Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "9"]
[White "Sondermann, Dirk"]
[Black "Noack, Mario"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1680"]
[BlackElo "1671"]
[PlyCount "81"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. c4 e6 4. Nc3 Ne7 5. e4 b6 6. Be3 Bb7 7. d5 0-0 8. Be2 d6 9. dxe6 fxe6 10. Ng5 Qd7 11. Bg4 Nf5 12. exf5 exf5 13. Bf3 Bxf3 14. Nxf3 Nc6 15. 0-0 Rae8 16. Qd5+ Kh8 17. a3 a5 18. Rad1 Ne7 19. Qd2 h6 20. Bxh6 Qe6 21. Bxg7+ Kxg7 22. Rfe1 Qf6 23. Qd4 Qxd4 24. Nxd4 Kf6 25. Nd5+ Nxd5 26. cxd5 Re5 27. Nc6 Rxe1+ 28. Rxe1 Rf7 29. f4 g5 30. Re6+ Kg7 31. fxg5 f4 32. Re7 Kg6 33. Rxf7 Kxf7 34. h4 Kg6 35. Kf2 Kh5 36. Kf3 a4 37. Kxf4 b5 38. Ne7 c5 39. dxc6 Kxh4 40. c7 b4 41. c8Q 1-0

[Event "GER-ch Net Amateur Gr-B Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "8"]
[White "Sondermann, Dirk"]
[Black "Schmaelzle, Harald"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1680"]
[BlackElo "1757"]
[PlyCount "97"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. e3 Nf6 4. Bd3 c6 5. b3 g6 6. Nbd2 Bg7 7. Bb2 Nbd7 8. 0-0 b6 9. Qe2 Bb7 10. Rac1 Rc8 11. Ba3 Bf8 12. Bxf8 Kxf8 13. c4 Kg7 14. Rfd1 Qe7 15. cxd5 cxd5 16. Ba6 Nb8 17. Bxb7 Qxb7 18. Ne5 Nbd7 19. f4 Rxc1 20. Rxc1 Rc8 21. Qd1 Rc7 22. Nxd7 Nxd7 23. Rxc7 Qxc7 24. Nf3 Qc3 25. Qd2 Qa1+ 26. Kf2 Nf6 27. Qc2 Ne4+ 28. Ke2 Qh1 29. Kd3 Qf1+ 30. Qe2 Qa1 31. Qc2 Qf1+ 32. Qe2 Qa1 33. Qc2 b5 34. Nd2 Nf2+ 35. Ke2 Ng4 36. h3 Nf6 37. Kf3 Qe1 38. a4 bxa4 39. bxa4 Nh5 40. g4 Qg3+ 41. Ke2 Nf6 42. g5 Qg2+ 43. Kd3 Nh5 44. Qc7 Qxh3 45. Qe5+ Kf8 46. Qb8+ Kg7 47. Qe5+ Kf8 48. Qb8+ Kg7 49. Qe5+ 1/2-1/2

[Event "GER-ch Net Amateur Gr-B Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "11"]
[White "Sondermann, Dirk"]
[Black "Schneider, Birgit"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1680"]
[BlackElo "1716"]
[PlyCount "94"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. b3 Bd6 6. Nbd2 Nc6 7. Bb2 cxd4 8. exd4 0-0 9. 0-0 b6 10. a3 Bb7 11. Qe2 Ne7 12. Ne5 Ng6 13. f4 Rc8 14. Rac1 Qe7 15. b4 a5 16. c3 axb4 17. cxb4 Rc7 18. Rxc7 Bxc7 19. g3 Bd6 20. Rc1 Rc8 21. Qd1 Ne4 22. Rxc8+ Bxc8 23. Nxe4 dxe4 24. Bxe4 Ba6 25. Qc2 Bxe5 26. dxe5 Qd7 27. Bc6 Qc7 28. b5 Bc8 29. Qd3 h5 30. Bd4 Ne7 31. Qe4 g6 32. Kg2 Nf5 33. Bf2 Kg7 34. Qd3 Bb7 35. Qf3 Bc8 36. h3 Ne7 37. g4 hxg4 38. hxg4 Bd7 39. Bxd7 Qxd7 40. Qe3 Qxb5 41. Qxb6 Qd5+ 42. Kg3 Qd3+ 43. Qe3 Qd5 44. Qd4 Qb3+ 45. Qe3 Qd5 46. Kh2 Qd1 47. Kg3 Qd5 1/2-1/2

[Event "GER-ch Net Amateur Gr-B Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "3"]
[White "Wulff, Joerg"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1704"]
[BlackElo "1680"]
[PlyCount "57"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nf6 5. g3 Nc6 6. Bg2 Be7 7. 0-0 b5 8. Re1 0-0 9. Qe2 a5 10. e5 Nd7 11. Nf1 Ba6 12. h4 b4 13. Bf4 a4 14. a3 Nd4 15. Nxd4 cxd4 16. Nh2 b3 17. cxb3 axb3 18. Nf3 Qb6 19. h5 Rac8 20. Rac1 Nc5 21. Red1 Nxd3 22. Rxc8 Nxf4 23. Rxf8+ Bxf8 24. Qd2 Nxg2 25. Kxg2 Qc5 26. Qxd4 Qxd4 27. Nxd4 Bc4 28. Re1 Bc5 29. Rd1 1-0

[Event "GER-ch Net Amateur Gr-B Vor2"]
[Site "Playchess.com INT"]
[Date "2020.04.15"]
[Round "3"]
[White "Ertelt, Pornchai"]
[Black "Sondermann, Dirk"]
[Result "0-1"]
[ECO "A87"]
[WhiteElo "1432"]
[BlackElo "1607"]
[PlyCount "94"]
[EventDate "2020.04.15"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 d6 4. Bg2 g6 5. 0-0 Bg7 6. Bg5 Nbd7 7. c4 0-0 8. Nc3 h6 9. Bd2 Kh7 10. Re1 e5 11. dxe5 dxe5 12. e4 f4 13. Qc2 c6 14. Rad1 Qe7 15. a3 g5 16. Ne2 Nxe4 17. Qxe4+ Kg8 18. Bc3 Nc5 19. Qc2 e4 20. Bxg7 Qxg7 21. Ned4 exf3 22. Nxf3 Bg4 23. Rd2 fxg3 24. Ne5 gxf2+ 25. Rxf2 Bh5 26. Qd2 Rxf2 27. Qxf2 Rf8 28. Qxc5 Re8 29. Nd3 Rd8 30. Qe3 Bg6 31. Nf2 Qxb2 32. Qe6+ Bf7 33. Qe7 Re8 34. Qxf7+ Kxf7 35. Rxe8 Kxe8 36. Ne4 Qc1+ 37. Kf2 Qb2+ 38. Kg3 Qe5+ 39. Kf3 b5 40. Ke3 Qf4+ 41. Kd3 Qxh2 42. cxb5 cxb5 43. Bf3 Qa2 44. Kd4 Qxa3 45. Bh5+ Kd8 46. Nd6 Qxd6+ 47. Ke4 b4 0-1

[Event "GER-ch Net Amateur Gr-B Vor2"]
[Site "Playchess.com INT"]
[Date "2020.04.15"]
[Round "5"]
[White "Sondermann, Dirk"]
[Black "Braeutigam, Alexander"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "1610"]
[BlackElo "1610"]
[PlyCount "71"]
[EventDate "2020.04.15"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. e3 d5 5. Nc3 Nc6 6. cxd5 Nxd5 7. Bd2 cxd4 8. Nxd5 exd5 9. exd4 Bd6 10. Be2 0-0 11. 0-0 Bf5 12. a3 a6 13. Bg5 f6 14. Bh4 Re8 15. Rc1 Rc8 16. b4 b5 17. Bg3 Bxg3 18. hxg3 Na7 19. Rc5 Qe7 20. Bd3 Bxd3 21. Qxd3 Qe4 22. Qd2 Rxc5 23. dxc5 Nc6 24. Re1 Qg6 25. Qxd5+ Kh8 26. Qxc6 Rxe1+ 27. Nxe1 h6 28. Nf3 h5 29. Qc8+ Kh7 30. Nh4 Qb1+ 31. Kh2 Qb2 32. Qf5+ Kg8 33. Qg6 Qxf2 34. Nf5 Kf8 35. Qxg7+ Ke8 36. Qe7# 1-0

[Event "GER-ch Net Amateur Gr-B Vor2"]
[Site "Playchess.com INT"]
[Date "2020.04.15"]
[Round "2"]
[White "Sondermann, Dirk"]
[Black "Diederichs, Karl"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1599"]
[BlackElo "1410"]
[PlyCount "48"]
[EventDate "2020.04.15"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. c4 c6 4. Nc3 Bd6 5. e3 Nd7 6. Qc2 f5 7. Bd3 Ngf6 8. 0-0 0-0 9. b3 Ne4 10. Bb2 Qf6 11. g3 h5 12. Ne2 g5 13. Nd2 h4 14. f4 hxg3 15. hxg3 gxf4 16. exf4 Rf7 17. Bxe4 fxe4 18. Kg2 Rg7 19. Qc3 Nb6 20. c5 Bxc5 21. dxc5 Qg6 22. Qxg7+ Qxg7 23. Bxg7 Kxg7 24. cxb6 axb6 1-0

[Event "GER-ch Net Amateur Gr-B Vor2"]
[Site "Playchess.com INT"]
[Date "2020.04.15"]
[Round "1"]
[White "Sondermann, Dirk"]
[Black "Hansch, Torsten"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1626"]
[BlackElo "1392"]
[PlyCount "32"]
[EventDate "2020.04.15"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. e3 e6 4. b3 Nf6 5. Bd3 Ne4 6. 0-0 Bd6 7. Bb2 0-0 8. Nbd2 Nxd2 9. Qxd2 Qf6 10. c4 dxc4 11. bxc4 Bg4 12. Be4 c6 13. h3 Bxf3 14. Bxf3 Nd7 15. e4 Qf4 16. e5 Qxd2 0-1

[Event "GER-ch Net Amateur Gr-B Vor2"]
[Site "Playchess.com INT"]
[Date "2020.04.15"]
[Round "7"]
[White "Sondermann, Dirk"]
[Black "Heutling, Elina"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1649"]
[BlackElo "1743"]
[PlyCount "87"]
[EventDate "2020.04.15"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 c5 5. d5 0-0 6. e4 d6 7. Qc2 Qa5 8. Nd2 e6 9. Be2 exd5 10. cxd5 Nbd7 11. Nc4 Qd8 12. Nxd6 Ne5 13. Nxc8 Rxc8 14. 0-0 a6 15. a4 Qc7 16. h3 Rfe8 17. Be3 c4 18. Bd4 Ned7 19. Rad1 Qf4 20. Be3 Qh4 21. f3 Nh5 22. Qd2 Ng3 23. Bg5 Nxf1 24. Bxf1 Bd4+ 25. Kh2 Be5+ 26. f4 Bxc3 27. bxc3 Qh5 28. Be2 Rxe4 29. Bxh5 gxh5 30. Re1 Nc5 31. Rxe4 Nxe4 32. Qd4 Nxg5 33. fxg5 Re8 34. d6 Rd8 35. Qc5 Kg7 36. Kg3 Kg6 37. h4 h6 38. Qc7 Rf8 39. Qe7 hxg5 40. Qxf8 gxh4+ 41. Kxh4 Kf5 42. d7 Ke6 43. d8Q b5 44. Qfe7+ 1-0

[Event "GER-ch Net Amateur Gr-B Vor2"]
[Site "Playchess.com INT"]
[Date "2020.04.15"]
[Round "9"]
[White "Sondermann, Dirk"]
[Black "Popp, Michael"]
[Result "1-0"]
[ECO "E95"]
[WhiteElo "1662"]
[BlackElo "1681"]
[PlyCount "87"]
[EventDate "2020.04.15"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 Nbd7 7. 0-0 e5 8. Re1 Re8 9. Bf1 b6 10. d5 a5 11. b3 Nc5 12. Nd2 Bg4 13. f3 Bd7 14. Ndb1 Nh5 15. Be3 Nf4 16. Qd2 Nh5 17. g4 Nf6 18. Bg5 Qc8 19. h3 Na6 20. Na3 Nc5 21. Nab5 Bxb5 22. Nxb5 Nfd7 23. Be3 Nf6 24. Qc2 h6 25. a3 Kh7 26. b4 axb4 27. axb4 Ncd7 28. Rxa8 Qxa8 29. Nxc7 Qb7 30. Nxe8 Nxe8 31. Ra1 Nc7 32. Qa2 b5 33. Qa7 Qc8 34. c5 dxc5 35. bxc5 Bf8 36. d6 Ne6 37. Bxb5 Ndxc5 38. Qxf7+ Bg7 39. Be8 Nf8 40. Rc1 Qe6 41. Rxc5 Qxf7 42. Bxf7 Nd7 43. Rc7 Nf6 44. d7 1-0

[Event "GER-ch Net Amateur Gr-B Vor2"]
[Site "Playchess.com INT"]
[Date "2020.04.15"]
[Round "6"]
[White "Sundui, Chinguun"]
[Black "Sondermann, Dirk"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1749"]
[BlackElo "1627"]
[PlyCount "154"]
[EventDate "2020.04.15"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. Nf3 f5 2. d3 Nf6 3. e4 e6 4. exf5 exf5 5. d4 d6 6. Bd3 Be7 7. 0-0 0-0 8. Re1 Nc6 9. c3 Re8 10. Qc2 g6 11. Nbd2 Bd7 12. Nf1 Bf8 13. Bg5 Bg7 14. Ng3 Kh8 15. Re2 Rxe2 16. Qxe2 Qf8 17. Qd2 Re8 18. Re1 d5 19. Ne5 Nxe5 20. dxe5 Ng4 21. f4 c6 22. h3 Nh6 23. Bxh6 Bxh6 24. Qf2 b6 25. Ne2 c5 26. Nc1 Be6 27. Bb5 Rd8 28. Nb3 d4 29. cxd4 Bxb3 30. axb3 Rxd4 31. g3 Qd8 32. Bc4 Rd2 33. Re2 Rxe2 34. Qxe2 Qd4+ 35. Qf2 Qd1+ 36. Kg2 Bf8 37. e6 Kg7 38. Qe3 Be7 39. Qe5+ Kh6 40. g4 Qd2+ 41. Qe2 Qxf4 42. gxf5 Qxf5 43. Kh2 Qg5 44. Kh1 Bd6 45. e7 Bxe7 46. Bg8 Kg7 47. Qe6 Qf6 48. Qd5 Qf1+ 49. Kh2 Qf6 50. Kh1 Bd6 51. Be6 Qe5 52. Qxe5+ Bxe5 53. Bd5 Kf6 54. b4 g5 55. bxc5 bxc5 56. b3 Bd4 57. Kg2 Ke5 58. Bc4 h5 59. Kf3 a5 60. Bf7 h4 61. Bc4 Bg1 62. Kg4 Be3 63. Kf3 Bf4 64. Kg4 Kd4 65. Kf3 Kc3 66. Kg4 a4 67. Kf3 axb3 68. Ke4 b2 69. Bd3 c4 70. Bb1 Kd2 71. Kd4 c3 72. Kc4 c2 73. Kb3 cxb1Q 74. Ka3 Qc1 75. Ka4 b1Q 76. Ka5 Qbb2 77. Ka4 Qca1# 0-1

[Event "GER-ch Net Amateur Gr-B Vor2"]
[Site "Playchess.com INT"]
[Date "2020.04.15"]
[Round "8"]
[White "Susallek, Markus"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "1860"]
[BlackElo "1671"]
[PlyCount "107"]
[EventDate "2020.04.15"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 h6 4. e5 c5 5. c3 Nc6 6. Ndf3 cxd4 7. cxd4 g5 8. h3 Nge7 9. Bd3 Qb6 10. Ne2 Nf5 11. Bxf5 exf5 12. Nc3 Be6 13. 0-0 g4 14. hxg4 fxg4 15. Nh2 Qxd4 16. Qxd4 Nxd4 17. Bf4 Rc8 18. Rfd1 Rxc3 19. Rxd4 Rc2 20. Rd2 Rxd2 21. Bxd2 Bc5 22. Rc1 b6 23. Nf1 Kd7 24. b4 Bd4 25. Bf4 h5 26. Rd1 Bc3 27. b5 Rc8 28. Ne3 Bb2 29. Nxd5 Bxd5 30. Rxd5+ Ke6 31. Rd6+ Kf5 32. Rf6+ Ke4 33. Rxf7 Rc1+ 34. Kh2 Bxe5 35. Bxe5 Kxe5 36. Rxa7 Rc2 37. Kg3 Rb2 38. a4 Kf5 39. Ra6 Rb4 40. Rxb6 Rxa4 41. Rc6 Kg5 42. Rc5+ Kg6 43. b6 Rb4 44. Rc6+ Kg5 45. Rc5+ Kg6 46. Rc6+ Kg5 47. Kh2 h4 48. Rc5+ Kg6 49. f3 gxf3 50. Rc6+ Kf5 51. gxf3 Kf4 52. Rf6+ Ke5 53. Rh6 Kf4 54. Rxh4+ 1-0

[Event "GER-ch Net Amateur Gr-B Vor2"]
[Site "Playchess.com INT"]
[Date "2020.04.15"]
[Round "4"]
[White "Zackrisson, Peter"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1853"]
[BlackElo "1616"]
[PlyCount "37"]
[EventDate "2020.04.15"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 c5 4. exd5 exd5 5. d4 Nc6 6. Be2 Nf6 7. 0-0 cxd4 8. Nxd4 Be7 9. Bf3 0-0 10. Re1 Bc5 11. Be3 h6 12. Nxc6 Qd6 13. Bxc5 Qxc5 14. Nd4 a6 15. Nb3 Qb6 16. Nxd5 Nxd5 17. Qxd5 Be6 18. Qd4 Rac8 19. Qxb6 1-0

[Event "GER-ch Net Amateur Gr-B Vor1"]
[Site "Playchess.com INT"]
[Date "2020.04.14"]
[Round "2"]
[White "Helbig, Dirk"]
[Black "Sondermann, Dirk"]
[Result "0-1"]
[ECO "A86"]
[WhiteElo "1575"]
[BlackElo "1749"]
[PlyCount "74"]
[EventDate "2020.04.14"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 f5 2. d4 Nf6 3. g3 d6 4. Bg2 g6 5. Nc3 Bg7 6. e3 0-0 7. Nge2 Qe8 8. 0-0 c6 9. Rb1 e5 10. d5 c5 11. Nb5 Qe7 12. b4 a6 13. Nbc3 cxb4 14. Rxb4 Nbd7 15. Ba3 Nc5 16. Rb1 Nfd7 17. e4 Nf6 18. Bxc5 dxc5 19. Rb6 Nd7 20. Re6 Qd8 21. Na4 b5 22. cxb5 axb5 23. Nac3 b4 24. Nb5 Ba6 25. Nd6 c4 26. exf5 gxf5 27. Qb1 Nc5 28. Qxb4 Nxe6 29. dxe6 Qe7 30. Nc3 Rab8 31. Qa3 Rb6 32. Nxc4 Qxa3 33. Nxa3 Bxf1 34. Bxf1 Re8 35. Bc4 Kf8 36. Nab5 e4 37. a4 Rc8 0-1

[Event "GER-ch Net Amateur Gr-B Vor1"]
[Site "Playchess.com INT"]
[Date "2020.04.14"]
[Round "6"]
[White "Marschall, Andreas"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1593"]
[BlackElo "1723"]
[PlyCount "101"]
[EventDate "2020.04.14"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 f5 2. Bf4 Nf6 3. e3 d6 4. h3 g6 5. Nf3 Bg7 6. g4 fxg4 7. hxg4 Bxg4 8. Bd3 Nh5 9. Bg5 0-0 10. Be2 Qe8 11. Rg1 Qd7 12. Nbd2 Nc6 13. c3 e5 14. Qb3+ Kh8 15. dxe5 dxe5 16. 0-0-0 Qe6 17. Qxe6 Bxe6 18. Ne4 Bxa2 19. Nc5 b6 20. Nd7 Rfe8 21. Nh4 Na5 22. Bf3 Rac8 23. Bg4 Be6 24. Bxh5 gxh5 25. Bf6 Bxf6 26. Nxf6 Nb3+ 27. Kc2 a5 28. Nxh5 a4 29. Rg7 Rg8 30. Re7 Rce8 31. Rxc7 Rgf8 32. f3 Bh3 33. Rc6 e4 34. f4 Bg4 35. Rh6 Bxd1+ 36. Kxd1 Kg8 37. Nf6+ Kg7 38. Nf5+ Kf7 39. Nxe8 Kxe8 40. Nd6+ Kd7 41. Nxe4 Kc7 42. Rxh7+ Kc6 43. Ng5 Rd8+ 44. Ke2 Rd2+ 45. Kf3 Rxb2 46. f5 Rc2 47. f6 Rxc3 48. f7 Nd4+ 49. Ke4 Nb5 50. f8Q a3 51. Qc8+ 1-0

[Event "GER-ch Net Amateur Gr-B Vor1"]
[Site "Playchess.com INT"]
[Date "2020.04.14"]
[Round "9"]
[White "Scharf, Oliver"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "1415"]
[BlackElo "1653"]
[PlyCount "53"]
[EventDate "2020.04.14"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 d6 4. Bg2 g6 5. 0-0 Bg7 6. b3 0-0 7. Bb2 Qe8 8. Nbd2 Ne4 9. Nxe4 fxe4 10. Ng5 d5 11. c4 e6 12. Rb1 a5 13. a3 Nc6 14. c5 h6 15. Nh3 g5 16. Kh1 Qf7 17. e3 b6 18. Qe2 Ba6 19. Qd2 Bxf1 20. Rxf1 bxc5 21. dxc5 Bxb2 22. Qxb2 Qf6 23. Qc2 Rab8 24. f3 exf3 25. Rxf3 Qe5 26. Qg6+ Qg7 27. Qxe6+ 1-0

[Event "GER-ch Net Amateur Gr-B Vor1"]
[Site "Playchess.com INT"]
[Date "2020.04.14"]
[Round "1"]
[White "Schmidt, David"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "1620"]
[BlackElo "1773"]
[PlyCount "23"]
[EventDate "2020.04.14"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 d6 4. Bg5 Nbd7 5. Nh3 g6 6. 0-0 Bg7 7. Nf4 Nb8 8. c3 0-0 9. Qb3+ Rf7 10. Bd5 e6 11. Nxe6 Nxd5 12. Nxd8 1-0

[Event "GER-ch Net Amateur Gr-B Vor1"]
[Site "Playchess.com INT"]
[Date "2020.04.14"]
[Round "8"]
[White "Sondermann, Dirk"]
[Black "Fock, Amina"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "1676"]
[BlackElo "1556"]
[PlyCount "78"]
[EventDate "2020.04.14"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. a3 Bb7 5. g3 c5 6. dxc5 Bxc5 7. Bg2 0-0 8. 0-0 Nc6 9. Nc3 Be7 10. Bf4 Na5 11. Ne5 Bxg2 12. Kxg2 d5 13. cxd5 Nxd5 14. Nxd5 Qxd5+ 15. Qxd5 exd5 16. b4 Nb3 17. Rad1 a5 18. Nc6 Bf6 19. Rxd5 axb4 20. axb4 Rac8 21. b5 Nc5 22. Bd6 Rfe8 23. Bxc5 bxc5 24. e3 c4 25. Rc1 c3 26. Rc2 g6 27. Nd4 Bxd4 28. Rxd4 Rc5 29. Rb4 Rb8 30. b6 Rc6 31. Kf3 Rcxb6 32. Rxb6 Rxb6 33. Rxc3 Rf6+ 34. Ke4 Rxf2 35. h4 Kg7 36. Rc6 f5+ 37. Ke5 Rf3 38. e4 fxe4 39. Kxe4 Rxg3 0-1

[Event "GER-ch Net Amateur Gr-B Vor1"]
[Site "Playchess.com INT"]
[Date "2020.04.14"]
[Round "3"]
[White "Sondermann, Dirk"]
[Black "Fuhrmann, Bahne"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1758"]
[BlackElo "1620"]
[PlyCount "136"]
[EventDate "2020.04.14"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 c5 5. b3 Nc6 6. Nbd2 Bd6 7. Bb2 b6 8. 0-0 0-0 9. a3 cxd4 10. exd4 Ne7 11. Ne5 Ng6 12. f4 Nd7 13. Qe2 Ndxe5 14. fxe5 Be7 15. g3 Bd7 16. h4 Bxh4 17. gxh4 Qxh4 18. Nf3 Qg3+ 19. Qg2 Qxg2+ 20. Kxg2 Nf4+ 21. Kf2 Nxd3+ 22. cxd3 Bb5 23. Ke3 Rac8 24. Rac1 a5 25. a4 Ba6 26. Ba3 Rfd8 27. Bd6 h6 28. Nd2 Re8 29. Bc7 Re7 30. Bxb6 Rb8 31. Bxa5 f6 32. b4 f5 33. b5 Bb7 34. Bb4 Rf7 35. a5 Bc8 36. b6 g5 37. Bd6 Ra8 38. Nb3 Bb7 39. Rc7 f4+ 40. Kd2 Rxc7 41. bxc7 Kg7 42. Rc1 Bc8 43. Rg1 Kg6 44. Nc5 Rxa5 45. Be7 Ra2+ 46. Kc3 Ra3+ 47. Kb4 Ra2 48. Bf8 Rb2+ 49. Kc3 Re2 50. Be7 Kf5 51. Rh1 Kg6 52. Bf8 h5 53. Be7 g4 54. Nb3 f3 55. Bh4 Ra2 56. Nd2 Ra7 57. Bd8 Ra3+ 58. Kb4 Rxd3 59. Nf1 Rd1 60. Kc5 f2 61. Ng3 Rxh1 62. Bh4 Rxh4 63. Kd6 Rh3 64. Nf1 Rh1 65. Ke7 Rxf1 66. Kd8 Rc1 67. Ke7 Rxc7+ 68. Kd6 f1Q 0-1

[Event "GER-ch Net Amateur Gr-B Vor1"]
[Site "Playchess.com INT"]
[Date "2020.04.14"]
[Round "5"]
[White "Sondermann, Dirk"]
[Black "Klemm, Robert"]
[Result "0-1"]
[ECO "E95"]
[WhiteElo "1746"]
[BlackElo "1622"]
[PlyCount "128"]
[EventDate "2020.04.14"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 Nbd7 7. 0-0 e5 8. Re1 c6 9. Bf1 Qc7 10. h3 Re8 11. d5 cxd5 12. cxd5 a6 13. b4 b5 14. Bb2 Nb6 15. Nd2 Nh5 16. Rc1 Qe7 17. Nf3 Nf4 18. Kh2 f5 19. g3 Nh5 20. a4 bxa4 21. Nxa4 Nxa4 22. Qxa4 Bd7 23. Qa5 f4 24. g4 Nf6 25. Rc7 Rec8 26. Rec1 Ne8 27. Rxc8 Bxc8 28. b5 Qa7 29. b6 Qe7 30. Ba3 Bb7 31. Be2 Bf6 32. Nd2 Qd7 33. f3 g5 34. Nc4 Bd8 35. Kg2 Qb5 36. Qc3 Rc8 37. Qd3 Bxb6 38. Nxb6 Rxc1 39. Bxc1 Qxb6 40. Bd2 Bc8 41. Qc3 Qb7 42. Bd1 Nc7 43. Ba4 Nb5 44. Qc6 Qxc6 45. dxc6 Nd4 46. Bb4 Nb5 47. Bxb5 axb5 48. Bxd6 Kf7 49. Bxe5 Ke6 50. Bd4 Kd6 51. Kf2 Kxc6 52. Ke2 Kd6 53. Kd3 Be6 54. Bf6 h6 55. Bg7 Bc4+ 56. Kc3 Be2 57. Bxh6 Bxf3 58. Bxg5 Ke5 59. h4 Bxg4 60. h5 Bxh5 61. Kb4 Be2 62. Bh4 Kxe4 63. Bf2 Kf3 64. Kc3 Kxf2 0-1

[Event "GER-ch Net Amateur Gr-B Vor1"]
[Site "Playchess.com INT"]
[Date "2020.04.14"]
[Round "7"]
[White "Sondermann, Dirk"]
[Black "Qayumi, Roman"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1700"]
[BlackElo "1546"]
[PlyCount "34"]
[EventDate "2020.04.14"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. b3 Nc6 5. Bd3 Bg4 6. Nbd2 e6 7. Bb2 Be7 8. 0-0 0-0 9. h3 Bh5 10. a3 cxd4 11. exd4 Qb6 12. Qe1 Rfc8 13. Ne5 Nxd4 14. Rc1 Nc6 15. Kh2 Nxe5 16. Qxe5 Bd6 17. Qxd6 Qxd6+ 0-1

[Event "GER-ch Net Amateur Gr-B Vor1"]
[Site "Playchess.com INT"]
[Date "2020.04.14"]
[Round "4"]
[White "Sossna, Gerald"]
[Black "Sondermann, Dirk"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "1604"]
[BlackElo "1735"]
[PlyCount "56"]
[EventDate "2020.04.14"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 h6 4. Ngf3 Nf6 5. Bd3 c5 6. c3 Nc6 7. 0-0 cxd4 8. cxd4 g5 9. h3 Qb6 10. Nb3 dxe4 11. Ne5 exd3 12. Qxd3 Nxe5 13. dxe5 Nd7 14. Re1 Bg7 15. Be3 Qb4 16. Bd4 0-0 17. Rac1 b6 18. Re4 Qe7 19. Rc7 Qd8 20. Qc3 Ba6 21. Be3 Rc8 22. Rxc8 Qxc8 23. Qd2 Nxe5 24. Ra4 Nc4 25. Qe2 b5 26. Rxa6 Qxa6 27. Bc5 Rc8 28. g3 Qxa2 0-1

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2020.03.16"]
[Round "8"]
[White "Heiligtag, Matthias"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1451"]
[BlackElo "1875"]
[PlyCount "41"]
[EventDate "2020.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. c4 d5 3. exd5 exd5 4. d4 Nf6 5. Nc3 Nc6 6. Nf3 Be7 7. Bg5 0-0 8. Bxf6 Bxf6 9. cxd5 Nb4 10. Bc4 Re8+ 11. Be2 Bf5 12. 0-0 Nxd5 13. Bc4 Nb6 14. Bb3 a5 15. a4 c6 16. Re1 Qc7 17. Rxe8+ Rxe8 18. Qd2 Bg4 19. Re1 Rd8 20. Qe3 Bxf3 21. Qe8+ 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2020.03.16"]
[Round "2"]
[White "Michel, Steffen"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2148"]
[BlackElo "1875"]
[PlyCount "67"]
[EventDate "2020.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bg5 Ne4 4. Nxe4 fxe4 5. e3 g6 6. Ne2 d5 7. h4 h6 8. Bf4 Bg7 9. c4 c6 10. Nc3 Qa5 11. Qd2 e6 12. Nxe4 Qxd2+ 13. Nxd2 Nd7 14. cxd5 exd5 15. Bd3 Kf7 16. b4 a5 17. b5 Nf6 18. 0-0 Nh5 19. Bh2 c5 20. Rac1 c4 21. Be2 Bd7 22. a4 Rae8 23. Bf3 Nf6 24. Be5 Be6 25. g3 Nd7 26. Bxg7 Kxg7 27. e4 Nb6 28. exd5 Bh3 29. Rfd1 Rhf8 30. Be4 Nxa4 31. Rxc4 Nb2 32. Rc7+ Rf7 33. Rxf7+ Kxf7 34. Rb1 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2020.03.16"]
[Round "3"]
[White "Nilius, Uwe"]
[Black "Sondermann, Dirk"]
[Result "0-1"]
[ECO "A86"]
[WhiteElo "1659"]
[BlackElo "1875"]
[PlyCount "46"]
[EventDate "2020.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 d6 4. g3 g6 5. Bg2 Bg7 6. Nh3 0-0 7. 0-0 Nc6 8. Bf4 Nh5 9. e3 Qe8 10. d5 Na5 11. Qd3 b6 12. b4 Nb7 13. Rae1 Nxf4 14. exf4 Bf6 15. Nb5 Qd8 16. Nd4 a5 17. Ne6 Bxe6 18. dxe6 Rb8 19. Bd5 axb4 20. Ng5 Bxg5 21. fxg5 Nc5 22. h4 Qe8 23. f3 Nxd3 0-1

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2020.03.16"]
[Round "9"]
[White "Sondermann, Dirk"]
[Black "Hierl, Johannes"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "1875"]
[BlackElo "1363"]
[PlyCount "37"]
[EventDate "2020.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 e6 5. e3 Nbd7 6. Bxc4 c5 7. 0-0 Be7 8. Qe2 0-0 9. Rd1 Qc7 10. e4 Nb6 11. Bd3 cxd4 12. Nxd4 Bc5 13. Ndb5 Qe7 14. Bg5 Bd7 15. e5 h6 16. exf6 gxf6 17. Bxh6 Rfe8 18. Qg4+ Kh8 19. Qg7# 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2020.03.16"]
[Round "1"]
[White "Sondermann, Dirk"]
[Black "Kluever, Benjamin"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "1875"]
[BlackElo "1434"]
[PlyCount "87"]
[EventDate "2020.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 0-0 7. Nc3 b6 8. Qc2 Bb7 9. Bxf6 Bxf6 10. cxd5 Bxd5 11. Nxd5 Qxd5 12. Bc4 Qd6 13. 0-0 Nd7 14. Nd2 Rac8 15. Ne4 Qe7 16. Ba6 c5 17. Bxc8 Rxc8 18. Rac1 Qf8 19. dxc5 Nxc5 20. Nxf6+ gxf6 21. b4 Nd7 22. Qxc8 Qxc8 23. Rxc8+ Kg7 24. f4 f5 25. Rc7 Nf6 26. Rxa7 Nd5 27. b5 Nxe3 28. Rc1 Nd5 29. g3 h5 30. a4 Kf6 31. Rd1 Nc3 32. Rdd7 Ne4 33. Rxf7+ Kg6 34. Rfb7 Kf6 35. Rxb6 Nc3 36. Raa6 Nd5 37. Rxe6+ Kf7 38. Re5 Nb4 39. Ra7+ Kf6 40. b6 Nc6 41. Rb5 Nxa7 42. bxa7 Ke7 43. a8Q h4 44. Qa7+ 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2020.03.16"]
[Round "7"]
[White "Sondermann, Dirk"]
[Black "Kottke, Steffen"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1875"]
[BlackElo "1928"]
[PlyCount "74"]
[EventDate "2020.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Qc2 g6 6. Nc3 Bg7 7. b3 0-0 8. Bb2 b6 9. Ne5 Nfd7 10. f4 Nxe5 11. fxe5 Qg5 12. Bc1 Qe7 13. Be2 dxc4 14. Bxc4 c5 15. Ba3 Qg5 16. Qe2 Rd8 17. Ne4 Qh4+ 18. Ng3 cxd4 19. 0-0-0 Bh6 20. Bd6 Bxe3+ 21. Kb2 Nc6 22. Bb5 Bb7 23. Nf1 Bh6 24. Nd2 Rac8 25. Ne4 Bg7 26. g3 Qh5 27. Qxh5 gxh5 28. Rhf1 Nxe5 29. Be7 Bxe4 30. Bxd8 Rxd8 31. Rfe1 Bf3 32. Rf1 Bh6 33. Ra1 Bg7 34. Rac1 d3 35. Rc7 d2 36. Rxa7 d1Q 37. Rxd1 Bxd1 0-1

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2020.03.16"]
[Round "6"]
[White "Sondermann, Dirk"]
[Black "Moeller, Hendrik"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1875"]
[BlackElo "2278"]
[PlyCount "66"]
[EventDate "2020.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c5 3. e3 Nf6 4. b3 Nc6 5. Nbd2 Bg4 6. dxc5 e5 7. Be2 Bxc5 8. Bb2 Bd6 9. 0-0 0-0 10. h3 Be6 11. Bb5 Nd7 12. e4 d4 13. Bc4 Qe7 14. Bxe6 Qxe6 15. Nc4 Bc5 16. a3 b5 17. Ncd2 Rfd8 18. Qe2 a6 19. Nh4 Bf8 20. Nf5 g6 21. Ng3 Rac8 22. Rfc1 Nc5 23. Qf3 Bh6 24. Ngf1 f5 25. exf5 gxf5 26. Qh5 e4 27. Re1 Qg6 28. Qe2 Ne5 29. Qd1 Ne6 30. c4 dxc3 31. Bxc3 Rxc3 32. Rc1 Rxh3 33. Rc6 Nxc6 0-1

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2020.03.16"]
[Round "4"]
[White "Sondermann, Dirk"]
[Black "Ochmann, Reimund"]
[Result "1-0"]
[ECO "D18"]
[WhiteElo "1875"]
[BlackElo "1932"]
[PlyCount "101"]
[EventDate "2020.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. Bd3 Bg4 9. 0-0 Nbd7 10. Be2 Bd6 11. e4 e5 12. Bg5 h6 13. Bh4 exd4 14. Nxd4 Bxe2 15. Qxe2 Qc7 16. Bg3 Bxg3 17. hxg3 0-0 18. Nf5 Rfe8 19. Rfd1 Nc5 20. Nd6 Re6 21. e5 Nfd7 22. f4 Kh8 23. Nxf7+ Kg8 24. Nd6 Nb6 25. a5 Nd5 26. Qc4 Nd7 27. Nxd5 Qd8 28. Ne3 Qe7 29. f5 Nxe5 30. Qxe6+ Qxe6 31. fxe6 Kf8 32. Nef5 g6 33. Nxh6 Ke7 34. Nxb7 Kxe6 35. Re1 Kf6 36. Nc5 Rb8 37. b3 Ng4 38. Nxg4+ Kg5 39. Ne3 Kh6 40. Nc4 Rc8 41. Re6 Rb8 42. Rxc6 Rb5 43. Re1 Rb4 44. Ree6 Kh7 45. Rxg6 Kh8 46. Rgd6 Rb8 47. Ne5 Kh7 48. Rd7+ Kh8 49. Ng6+ Kg8 50. Ne6 Rb7 51. Rc8# 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2020.03.16"]
[Round "5"]
[White "Stein, Robert"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2325"]
[BlackElo "1875"]
[PlyCount "53"]
[EventDate "2020.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 d6 4. Nf3 g6 5. 0-0 Bg7 6. c4 0-0 7. Nc3 Qe8 8. Re1 Qf7 9. d5 Ne4 10. Nxe4 fxe4 11. Ng5 Qxf2+ 12. Kh1 Qd4 13. Nxe4 Qxd1 14. Rxd1 Bg4 15. Bg5 Rf7 16. Rd2 Nd7 17. Rc1 Ne5 18. c5 Raf8 19. cxd6 cxd6 20. Be3 b5 21. Ng5 Nc4 22. Nxf7 Rxf7 23. Rxc4 bxc4 24. Bxa7 c3 25. bxc3 Bxc3 26. Rc2 Bd4 27. Bxd4 1-0

[Event "Dortmund Sparkassen op 47th"]
[Site "Dortmund"]
[Date "2019.07.21"]
[Round "9"]
[White "Doescher, Thorsten"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2049"]
[BlackElo "1865"]
[PlyCount "45"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 f5 2. Nc3 Nf6 3. d4 g6 4. Bg5 Bg7 5. Bxf6 Bxf6 6. e4 d6 7. Nf3 Nc6 8. exf5 Bxf5 9. d5 Ne5 10. Be2 Nxf3+ 11. Bxf3 0-0 12. 0-0 Rb8 13. Rc1 Bg5 14. Ra1 Bf6 15. Qd2 Qc8 16. Nb5 a6 17. Nd4 e5 18. dxe6 Bxd4 19. Qxd4 Bxe6 20. Rfe1 Bf7 21. Re7 c6 22. Bg4 Qd8 23. Qf6 1-0

[Event "Dortmund Sparkassen op 47th"]
[Site "Dortmund"]
[Date "2019.07.20"]
[Round "8"]
[White "Sondermann, Dirk"]
[Black "Toel, Karl Ludwig"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "1865"]
[BlackElo "2068"]
[PlyCount "87"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. Bd2 0-0 7. e4 Nb6 8. Be3 c6 9. h3 a5 10. Rc1 Na6 11. Be2 Be6 12. b3 f6 13. 0-0 Bf7 14. Qd2 e6 15. Rfd1 Nc8 16. e5 Ne7 17. Ne4 Nd5 18. Bh6 Nac7 19. Bxg7 Kxg7 20. Nd6 Ra7 21. a4 Bg8 22. Rc5 Nb4 23. Rxa5 Rxa5 24. Qxb4 Nd5 25. Qxb7+ Kh8 26. Qxc6 Ra7 27. Nb5 Ra8 28. Qc1 Rc8 29. Bc4 fxe5 30. dxe5 Qb6 31. Qh6 Rf5 32. Nd6 Rcf8 33. Nxf5 Rxf5 34. Bxd5 exd5 35. Qe3 Qb7 36. Qd4 Be6 37. b4 Kg7 38. b5 h6 39. Rc1 Qf7 40. b6 Rf4 41. Rc7 Rxd4 42. Rxf7+ Kxf7 43. Nxd4 Bc8 44. f4 1-0

[Event "Dortmund Sparkassen op 47th"]
[Site "Dortmund"]
[Date "2019.07.19"]
[Round "7"]
[White "Sondermann, Dirk"]
[Black "Srimathi, Raajesh"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "1865"]
[PlyCount "60"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bd6 5. Nc3 c6 6. Nf3 Nbd7 7. Bf4 Qc7 8. Bxd6 Qxd6 9. Qc2 0-0 10. cxd5 exd5 11. 0-0 Re8 12. Rfe1 Ne4 13. Nxe4 dxe4 14. Ng5 f5 15. e3 Nb6 16. Nh3 Nd5 17. a3 Be6 18. Qc5 Qxc5 19. dxc5 a5 20. Rad1 Rad8 21. Rd4 Ra8 22. Bf1 h6 23. Nf4 Nxf4 24. gxf4 a4 25. Rc1 Red8 26. Bc4 Kf7 27. Bxe6+ Kxe6 28. Rxd8 Rxd8 29. Rc4 Ra8 30. Rd4 Ra5 1/2-1/2

[Event "Dortmund Sparkassen op 47th"]
[Site "Dortmund"]
[Date "2019.07.18"]
[Round "6"]
[White "Beckmann, David"]
[Black "Sondermann, Dirk"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2016"]
[BlackElo "1865"]
[PlyCount "91"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 d6 7. Nc3 Qe8 8. b3 e5 9. dxe5 dxe5 10. Ba3 Rf7 11. Qc2 Nc6 12. Rad1 h6 13. e3 e4 14. Nd4 Nxd4 15. exd4 c6 16. Rfe1 Qd8 17. Bb2 Rd7 18. Ne2 Rc7 19. Qb1 Be6 20. Nf4 Bf7 21. Qa1 g5 22. Ne2 Bh5 23. Rd2 Rd7 24. Nc3 Bf7 25. Nd1 b5 26. Bf1 bxc4 27. bxc4 Ng4 28. Ne3 Nxe3 29. fxe3 Rb8 30. Rf2 Rdb7 31. Bc3 Qd7 32. c5 Rf8 33. a4 Rb3 34. a5 Bd5 35. Be2 Rfb8 36. Rff1 Kh8 37. a6 Rf8 38. Rb1 Qe6 39. Rxb3 Bxb3 40. d5 Qg6 41. Bxg7+ Qxg7 42. d6 Be6 43. Qxg7+ Kxg7 44. Rb1 Kf6 45. Rb7 Rd8 46. Rc7 1-0

[Event "Dortmund Sparkassen op 47th"]
[Site "Dortmund"]
[Date "2019.07.17"]
[Round "5"]
[White "Sondermann, Dirk"]
[Black "Rempel, Patrick"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "1865"]
[BlackElo "2119"]
[PlyCount "68"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Na6 7. 0-0 e5 8. d5 Nc5 9. Qc2 a5 10. Nd2 Bh6 11. Nb3 Bxc1 12. Raxc1 Nfd7 13. Nd2 f5 14. a3 a4 15. Rcd1 Rf7 16. exf5 gxf5 17. Nf3 Nf8 18. Ne1 Bd7 19. Nd3 Nb3 20. f4 e4 21. Nc1 Nc5 22. Rde1 Rg7 23. Bd1 Qf6 24. Qf2 Re8 25. Qe3 Kh8 26. Kh1 Ng6 27. g3 Ne7 28. Bc2 Ng8 29. N1e2 Nh6 30. Qd4 Qg6 31. Nb5 Bxb5 32. cxb5 Ra8 33. Nc3 Ng4 34. Nd1 Nxh2 0-1

[Event "Dortmund Sparkassen op 47th"]
[Site "Dortmund"]
[Date "2019.07.16"]
[Round "4"]
[White "Saizew, Valeri"]
[Black "Sondermann, Dirk"]
[Result "0-1"]
[ECO "C04"]
[WhiteElo "2032"]
[BlackElo "1865"]
[PlyCount "138"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. c3 a5 7. Bb5 Na7 8. Bd3 b6 9. 0-0 Be7 10. Re1 c5 11. c4 Bb7 12. b3 0-0 13. Bb2 cxd4 14. Nxd4 Nc5 15. Bb1 g6 16. Qe2 Qd7 17. Bc2 Nc6 18. Rad1 Nxd4 19. Bxd4 Qc7 20. Qg4 Nd7 21. h4 Rfe8 22. h5 Bf8 23. Re3 Bg7 24. f4 Rad8 25. Bb1 Nb8 26. Bb2 Qc5 27. Kf2 Nc6 28. cxd5 Rxd5 29. Ne4 Qe7 30. Rxd5 exd5 31. Nd6 Rf8 32. Qd1 Qh4+ 33. Rg3 Qxf4+ 34. Rf3 Qh4+ 35. Kg1 Bxe5 36. Bxe5 Nxe5 37. Rh3 Qe7 38. Nxb7 Qxb7 39. Qd4 Qe7 40. Rc3 Qd6 41. Re3 Re8 42. Bd3 Qc5 43. Qxc5 bxc5 44. Bb5 Re7 45. hxg6 hxg6 46. Kf1 d4 47. Re1 Kg7 48. Rc1 Rc7 49. Ke2 f5 50. Kd2 Kf6 51. Be2 Ke6 52. Rh1 a4 53. Rh8 axb3 54. axb3 Ra7 55. Re8+ Kf6 56. Rc8 Ra2+ 57. Ke1 d3 58. Bd1 Rxg2 59. Rxc5 f4 60. b4 Rb2 61. Rb5 g5 62. Rb8 g4 63. b5 f3 64. b6 Nc4 65. Bxf3 gxf3 66. Rf8+ Ke7 67. Rxf3 d2+ 68. Ke2 Rb1 69. Rd3 Re1+ 0-1

