[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2018.01.07"]
[Round "7"]
[White "Pietsch, David"]
[Black "Wolterink, Thorsten"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "1786"]
[BlackElo "1852"]
[PlyCount "62"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Be7 6. Bd3 0-0 7. 0-0 Nbd7 8. Qc2 h6 9. Bd2 b6 10. cxd5 cxd5 11. Rac1 Bb7 12. Qa4 a6 13. b4 Ne4 14. Rc2 b5 15. Qb3 Nb6 16. Ra1 Bd6 17. Bxe4 dxe4 18. Ne1 Qg5 19. a4 Qh5 20. g3 Rfc8 21. axb5 axb5 22. Ra5 Nc4 23. Rxb5 Nxd2 24. Qb2 Nc4 25. Qc1 Bd5 26. Nxe4 Bf8 27. Nd2 Qe2 28. Nxc4 Rxc4 29. Ra5 Rxc2 30. Nxc2 Rxa5 31. bxa5 Qf3 0-1

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2018.01.06"]
[Round "6"]
[White "Mildner, Ramon"]
[Black "Pietsch, David"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1883"]
[BlackElo "1786"]
[PlyCount "63"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. c3 Ne7 6. Qc2 Be6 7. Ne2 c6 8. Bf4 Qc7 9. Bxd6 Qxd6 10. Nd2 Nd7 11. h3 h6 12. 0-0-0 b5 13. f4 Nf6 14. Nf3 Ne4 15. Bxe4 dxe4 16. Qxe4 Bxa2 17. Qc2 Bd5 18. Rhf1 Qg6 19. Qxg6 fxg6 20. g4 0-0 21. Ne5 Kh7 22. Ng3 a5 23. Kd2 a4 24. Ra1 Rad8 25. b4 axb3 26. Ra7 Nc8 27. Rc7 Nd6 28. f5 gxf5 29. Nxf5 Nxf5 30. gxf5 Rc8 31. Rd7 Rcd8 32. Re7 1/2-1/2

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2018.01.06"]
[Round "5"]
[White "Pietsch, David"]
[Black "Kueck, Artur"]
[Result "1/2-1/2"]
[ECO "D60"]
[WhiteElo "1786"]
[BlackElo "1834"]
[PlyCount "71"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 0-0 8. 0-0 h6 9. Bh4 dxc4 10. Bxc4 Nb6 11. Bb3 Nbd5 12. Nxd5 exd5 13. Qd3 Ne4 14. Bxe7 Qxe7 15. Ne5 Bf5 16. Qe2 Nf6 17. Rac1 Nd7 18. Nxd7 Qxd7 19. Bc2 Rfe8 20. Bxf5 Qxf5 21. b4 Qd7 22. Rb1 Rac8 23. Rb2 Re6 24. Rc1 Qe8 25. Rbc2 a6 26. Qd3 Qf8 27. Qb3 Rce8 28. a4 Qd6 29. b5 axb5 30. axb5 Qd7 31. bxc6 Rxc6 32. Rxc6 bxc6 33. Qb6 Rc8 34. h3 Qc7 35. Qc5 Qb7 36. Qa3 1/2-1/2

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2018.01.05"]
[Round "3"]
[White "Pietsch, David"]
[Black "Freudenthal, Tim"]
[Result "0-1"]
[ECO "A88"]
[WhiteElo "1786"]
[BlackElo "1960"]
[PlyCount "62"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. c4 d6 6. 0-0 0-0 7. Nc3 c6 8. Qc2 Qc7 9. b3 Na6 10. a3 e5 11. dxe5 dxe5 12. Rd1 Nc5 13. b4 Ne6 14. Bb2 e4 15. Nd4 Nxd4 16. Rxd4 Ng4 17. Rd2 Be6 18. Nd1 Rad8 19. Rxd8 Rxd8 20. Bxg7 Qxg7 21. Nb2 e3 22. fxe3 Nxe3 23. Qc1 Qd4 24. Kh1 Ng4 25. Bf3 Ne5 26. Bg2 Nxc4 27. Nxc4 Bxc4 28. e3 Qd3 29. Bf1 Qxf1+ 30. Qxf1 Bxf1 31. Rxf1 Rd3 0-1

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2018.01.05"]
[Round "4"]
[White "Reichelt, Ole"]
[Black "Pietsch, David"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1856"]
[BlackElo "1786"]
[PlyCount "37"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. e4 b5 6. a4 Qb6 7. axb5 cxb5 8. b3 Bb7 9. d5 cxb3 10. Bxb5+ Nbd7 11. Be3 Qc7 12. Qxb3 Rc8 13. Rxa7 Qxc3+ 14. Qxc3 Rxc3 15. Rxb7 Kd8 16. 0-0 Nc5 17. Rb8+ Kc7 18. Bf4+ e5 19. Bxe5+ 1-0

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2018.01.04"]
[Round "2"]
[White "Davydov, Mihail"]
[Black "Pietsch, David"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1858"]
[BlackElo "1786"]
[PlyCount "46"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. g3 Nc6 5. Bg2 dxe4 6. dxe4 e5 7. Ne2 Bc5 8. 0-0 0-0 9. c3 Be6 10. Qc2 a5 11. h3 a4 12. Kh2 Qe7 13. f4 exf4 14. gxf4 Rfe8 15. e5 Ng4+ 16. hxg4 Qh4+ 17. Bh3 Bxg4 18. Qd3 Nxe5 19. Qg3 Nf3+ 20. Rxf3 Rxe2+ 21. Kh1 Bxf3+ 22. Qxf3 Re3 23. Kg2 Rxf3 0-1

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2018.01.04"]
[Round "1"]
[White "Pietsch, David"]
[Black "Hartogh, Christian"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1786"]
[BlackElo "1989"]
[PlyCount "100"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. cxd5 exd5 6. Bf4 c6 7. e3 Bf5 8. Bd3 Bxd3 9. Qxd3 0-0 10. 0-0 Re8 11. Rab1 a5 12. a3 Na6 13. Ne5 Bd6 14. Qf5 Qe7 15. Nd3 Bxf4 16. Qxf4 Ne4 17. Rbc1 Nd6 18. Rc2 Nc4 19. Re1 Nc7 20. Rce2 Ne6 21. Qg3 Qf6 22. Ne5 Nxe5 23. Qxe5 Qxe5 24. dxe5 b5 25. Rc2 b4 26. Ne2 c5 27. f4 g6 28. Rd1 Rad8 29. g4 d4 30. exd4 cxd4 31. Rcd2 bxa3 32. bxa3 Rd5 33. Nxd4 Nxf4 34. Nf3 Rxd2 35. Rxd2 Rc8 36. Nd4 Rc5 37. Kf2 Rc3 38. Nb5 Rb3 39. a4 Nd3+ 40. Kf1 Nxe5 41. Rd8+ Kg7 42. Ra8 Nxg4 43. Rxa5 Nxh2+ 44. Kg2 Ng4 45. Nd6 h5 46. Ra7 Ne5 47. a5 h4 48. Rc7 h3+ 49. Kh2 Ng4+ 50. Kg1 Rb1+ 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.08"]
[Round "7"]
[White "Klettke, Wolfgang"]
[Black "Pietsch, David"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "1958"]
[BlackElo "1730"]
[PlyCount "43"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 Qc7 12. h3 0-0 13. Nc3 a6 14. Bg5 Bd7 15. Rc1 h6 16. Be3 Be8 17. Na4 Bh5 18. Be2 Qf7 19. Nc5 Rae8 20. Nd3 Bxf3 21. Bxf3 Re7 22. Qd2 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.07"]
[Round "5"]
[White "Laubrock, Paul"]
[Black "Pietsch, David"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1931"]
[BlackElo "1730"]
[PlyCount "41"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 e6 4. f4 c5 5. c3 Nc6 6. Nd2 Bd7 7. Ngf3 cxd4 8. exd4 Bd6 9. Ne5 0-0 10. 0-0 Ne7 11. g4 Ne8 12. g5 Nf5 13. Qf3 Bc6 14. Qh3 g6 15. Ndf3 f6 16. gxf6 Nxf6 17. Ng5 Qe8 18. Re1 h6 19. Bxf5 hxg5 20. Nxg6 Kg7 21. fxg5 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.07"]
[Round "6"]
[White "Pietsch, David"]
[Black "Guede, Klaus"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1730"]
[BlackElo "1890"]
[PlyCount "48"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c6 4. c3 Bf5 5. Nbd2 Nbd7 6. h3 h6 7. Ne5 Qb6 8. Qb3 Nxe5 9. Bxe5 Nd7 10. e3 e6 11. Be2 Nxe5 12. dxe5 Bc5 13. Nf3 0-0 14. 0-0 a5 15. Qxb6 Bxb6 16. Nd4 Bg6 17. Rfd1 Bc7 18. f4 Be4 19. Bd3 Bxd3 20. Rxd3 Rfd8 21. Rad1 g6 22. Kf2 Bb6 23. Kf3 Kf8 24. e4 Ke8 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.06"]
[Round "4"]
[White "Pietsch, David"]
[Black "Warns, Heiko"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1730"]
[BlackElo "2144"]
[PlyCount "108"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. Nc3 0-0 6. e3 b6 7. Bd3 Bb7 8. Qc2 d6 9. Ne4 Nxe4 10. Bxe4 Bxd2+ 11. Nxd2 Bxe4 12. Qxe4 Nd7 13. 0-0 f5 14. Qc6 Nf6 15. e4 f4 16. e5 dxe5 17. dxe5 Ng4 18. Nf3 Rad8 19. h3 Nh6 20. Rad1 Nf5 21. Qa4 c5 22. Qc6 Nd4 23. Nxd4 cxd4 24. Rd3 Rc8 25. Qe4 Rxc4 26. Rxd4 Rxd4 27. Qxd4 f3 28. Re1 fxg2 29. Kxg2 Rf5 30. Qd6 Qb7+ 31. Kf1 Qf3 32. Qxe6+ Kh8 33. Qc8+ Rf8 34. Qc2 Qh1+ 35. Ke2 Rxf2+ 36. Kxf2 Qh2+ 37. Kf3 Qxc2 38. e6 Qf5+ 39. Kg3 Qg5+ 40. Kf3 Qe7 41. Re4 g6 42. Kf4 Kg7 43. b4 Kf6 44. h4 Qc7+ 45. Kg4 h5+ 46. Kf3 Ke7 47. a4 Qc3+ 48. Kf4 Qd2+ 49. Kf3 Qd1+ 50. Kf4 Qxa4 51. Kg5 Qc2 52. Kf4 Qd2+ 53. Kf3 a5 54. bxa5 bxa5 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.06"]
[Round "3"]
[White "Raetzke von Stoyentin, Steffen"]
[Black "Pietsch, David"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "2008"]
[BlackElo "1730"]
[PlyCount "63"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 Bd6 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Nf6 10. Bc2 Bb4+ 11. Bd2 Qa5 12. 0-0 Bxd2 13. Qxd2 Qxd2 14. Nxd2 0-0 15. Ne4 Nxe4 16. Bxe4 Rd8 17. Rfd1 Bd7 18. Rd3 Be8 19. Rad1 Rd6 20. g4 Rad8 21. f4 f5 22. Bf3 fxg4 23. Bxg4 Bg6 24. Ra3 a6 25. c5 Rxd4 26. Rxd4 Rxd4 27. Bxe6+ Bf7 28. Bc8 Rd1+ 29. Kf2 Rd2+ 30. Kg3 Rxb2 31. Re3 Kf8 32. a3 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.05"]
[Round "1"]
[White "Bohnstorff, Michael"]
[Black "Pietsch, David"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2010"]
[BlackElo "1730"]
[PlyCount "59"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. c3 Nf6 3. Bf4 e6 4. e3 Be7 5. Bd3 0-0 6. h3 c5 7. Nd2 Nc6 8. g4 cxd4 9. exd4 Bd6 10. Bxd6 Qxd6 11. Ne2 e5 12. dxe5 Nxe5 13. Qc2 Nxd3+ 14. Qxd3 Re8 15. 0-0-0 Be6 16. f4 Rad8 17. Rhf1 Bd7 18. Ng3 Qb6 19. Rfe1 Bb5 20. Qf3 Qa6 21. Kb1 Ne4 22. Ndxe4 dxe4 23. Rxd8 Rxd8 24. Nxe4 Bc6 25. b3 Re8 26. Re2 Qb5 27. c4 Qb4 28. Qd3 h6 29. Kc2 Qa5 30. Nc3 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.05"]
[Round "2"]
[White "Pietsch, David"]
[Black "Lebiedz, Oliver"]
[Result "1-0"]
[ECO "E21"]
[WhiteElo "1730"]
[BlackElo "1939"]
[PlyCount "81"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb4 5. Bd2 Bb7 6. Qc2 0-0 7. e3 Bxc3 8. Bxc3 Ne4 9. Bd3 f5 10. 0-0 d6 11. Nd2 Nxd2 12. Qxd2 Nd7 13. Rfe1 Qh4 14. g3 Qh5 15. Be2 Qh6 16. Bf1 Nf6 17. Bg2 Ne4 18. Qe2 Rf6 19. f3 Ng5 20. h4 Nf7 21. f4 Be4 22. Rad1 d5 23. Bb4 Re8 24. c5 Qg6 25. Bxe4 dxe4 26. Kg2 Nh6 27. cxb6 axb6 28. Rc1 Qf7 29. Qc4 Rc8 30. Qa6 Qd7 31. Qb7 Ng4 32. Qc6 Qd5 33. a3 Rg6 34. Rc2 Qd8 35. Kh3 Kh8 36. Qc4 Qd5 37. Qa6 Qd7 38. Qb7 Rf6 39. Rec1 Rf7 40. Rxc7 h6 41. Rxc8+ 1-0

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2016.01.06"]
[Round "7"]
[White "Welz, Joshua"]
[Black "Pietsch, David"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "1680"]
[BlackElo "1736"]
[PlyCount "64"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. d3 Nc6 7. Nf3 Be7 8. 0-0 0-0 9. Nd2 Be6 10. b3 Qd7 11. Nc4 Nxc4 12. dxc4 Rad8 13. Qxd7 Rxd7 14. Be3 a6 15. Rfd1 Rfd8 16. Nd5 Bxd5 17. Rxd5 Rxd5 18. cxd5 Nb4 19. d6 cxd6 20. Bxb7 Rb8 21. Be4 d5 22. a3 dxe4 23. axb4 Rxb4 24. Rxa6 f5 25. Rb6 Kf7 26. Rxb4 Bxb4 27. Kg2 Kf6 28. h3 h5 29. h4 g6 30. Bg5+ Ke6 31. f3 Kd5 32. Be3 Bc3 1/2-1/2

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2016.01.05"]
[Round "5"]
[White "Pietsch, David"]
[Black "Finke, Harald"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "1736"]
[BlackElo "1882"]
[PlyCount "99"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. Nf3 d5 5. cxd5 exd5 6. g3 Nc6 7. Bg2 Be6 8. 0-0 Be7 9. b3 0-0 10. Bb2 Rc8 11. dxc5 Bxc5 12. Na4 Be7 13. Nd4 Nxd4 14. Bxd4 Qa5 15. Qd3 Rc6 16. Bc3 Bb4 17. Bxf6 gxf6 18. Rac1 Rfc8 19. Rxc6 Rxc6 20. e4 Rd6 21. exd5 Bxd5 22. Bxd5 Rxd5 23. Qe4 Kg7 24. Nb2 f5 25. Qf3 Qd8 26. Nc4 Bc5 27. Ne3 Bxe3 28. Qxe3 a6 29. Re1 h6 30. Qe7 Qd7 31. Qxd7 Rxd7 32. Re2 Kf6 33. Kg2 b5 34. Rc2 Rd6 35. Kf3 Kg5 36. h4+ Kf6 37. Kf4 Rd4+ 38. Ke3 Rd6 39. Rd2 Re6+ 40. Kf3 Rc6 41. Kf4 Re6 42. Rd4 Ke7 43. a4 bxa4 44. Rxa4 Kf6 45. Ra5 Re4+ 46. Kf3 Re6 47. Kg2 Rb6 48. f3 Kg6 49. Kf2 h5 50. Ke2 1/2-1/2

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2016.01.05"]
[Round "6"]
[White "Rein, Joachim"]
[Black "Pietsch, David"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1876"]
[BlackElo "1736"]
[PlyCount "111"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. f4 Bg4 4. Nf3 e6 5. Bd3 c5 6. c3 Nc6 7. 0-0 Be7 8. Qe1 Bxf3 9. Rxf3 g6 10. Nd2 Qc7 11. a3 cxd4 12. exd4 a6 13. Rf1 Nh5 14. Qe3 Bd6 15. g3 0-0-0 16. Nf3 Ng7 17. b4 Nf5 18. Qe2 h6 19. b5 axb5 20. Bxb5 Na7 21. Bd2 Nxb5 22. Qxb5 g5 23. Ne5 gxf4 24. Bxf4 Rhg8 25. Qa4 Bxe5 26. Bxe5 Qc4 27. Qa8+ Kd7 28. Qxb7+ Ke8 29. Rxf5 exf5 30. Bf6 Qe2 31. Qc6+ Kf8 32. Qc5+ Ke8 33. Rf1 Qe3+ 34. Kg2 Qe2+ 35. Rf2 Qe4+ 36. Rf3 f4 37. Qc6+ Kf8 38. Bxd8 Qe2+ 39. Kh3 Qxf3 40. Qd6+ Kg7 41. Qf6+ Kf8 42. Qd6+ Kg7 43. Qe5+ Kh7 44. Qf5+ Rg6 45. Qxf7+ Rg7 46. Qf5+ Rg6 47. Bc7 Qxc3 48. Be5 h5 49. Qf7+ Kh6 50. Bxf4+ Rg5 51. Qf6+ Kh7 52. Qxg5 Qxd4 53. Qxh5+ Kg8 54. Qe8+ Kh7 55. Qf7+ Kh8 56. Bg5 1-0

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2016.01.04"]
[Round "3"]
[White "Pietsch, David"]
[Black "Schulz, Daniel"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "1736"]
[BlackElo "1960"]
[PlyCount "54"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qc2 Bb7 6. Bd2 0-0 7. e3 Bxc3 8. Bxc3 Ne4 9. Bd3 f5 10. 0-0-0 Nxc3 11. Qxc3 d6 12. h4 Nd7 13. Qc2 Qf6 14. e4 fxe4 15. Bxe4 Qf4+ 16. Nd2 Bxe4 17. Qxe4 e5 18. Qd5+ Kh8 19. dxe5 Nxe5 20. f3 c6 21. Qe4 d5 22. Qxf4 Rxf4 23. cxd5 Nd3+ 24. Kb1 Nf2 25. dxc6 Nxd1 26. Rxd1 Rd4 27. Kc2 Rc8 0-1

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2016.01.04"]
[Round "4"]
[White "Schoenfeld, Dietmar"]
[Black "Pietsch, David"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "1915"]
[BlackElo "1736"]
[PlyCount "178"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 Qb6 9. Nf3 Bb4+ 10. Bd2 f6 11. exf6 Nxf6 12. 0-0 Bxd2 13. Qxd2 0-0 14. Rfe1 Bd7 15. Nc3 Nb4 16. Bb1 Rae8 17. a3 Nc6 18. Bd3 Na5 19. Rad1 Rc8 20. b4 Nc4 21. Bxc4 Rxc4 22. Ne5 Rc7 23. Nxd7 Nxd7 24. Na4 Qd6 25. Nc5 Rf6 26. Nxd7 Rxd7 27. Rc1 Rc7 28. Rxc7 Qxc7 29. Rc1 Qb6 30. Rc5 a6 31. g3 h6 32. f4 Qd6 33. Qc2 Qb6 34. Kg2 Rf8 35. Qc3 Re8 36. Rc7 Qb5 37. Kf2 a5 38. Qc2 Qb6 39. Qc5 Qa7 40. b5 Qa8 41. Qd6 Qd8 42. Qxd8 Rxd8 43. Rxb7 Rc8 44. Re7 Rc3 45. Rxe6 Rxa3 46. Re3 Ra4 47. Rb3 Rc4 48. b6 Rc8 49. Rb5 Rb8 50. Rxa5 Rxb6 51. Rxd5 Rb2+ 52. Kg1 Kf7 53. Re5 Rd2 54. d5 Rd1+ 55. Kg2 Rd2+ 56. Kh3 Kf6 57. Kg4 Rxh2 58. Re6+ Kf7 59. Kf5 Rd2 60. Ke5 Re2+ 61. Kd6 Rd2 62. f5 Rd3 63. g4 Rd1 64. Kc6 Rc1+ 65. Kd7 Rd1 66. d6 Rc1 67. Kd8 Rc2 68. Re7+ Kf8 69. Rc7 Ra2 70. Rb7 Rc2 71. d7 Kf7 72. Rc7 Ra2 73. Kc8 Ra8+ 74. Kb7 Rd8 75. Kc6 Ke7 76. Ra7 Rf8 77. Rb7 Rd8 78. Rc7 Ra8 79. Rc8 Ra6+ 80. Kb7 Rd6 81. Re8+ Kxd7 82. Rg8 Rf6 83. Rxg7+ Kd6 84. Kb6 Kd5+ 85. Kb5 Ke5 86. Kc5 Kf4 87. Kd5 h5 88. Rg6 Rf8 89. gxh5 Rxf5+ 1/2-1/2

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2016.01.03"]
[Round "2"]
[White "Hesse, Juergen"]
[Black "Pietsch, David"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1963"]
[BlackElo "1736"]
[PlyCount "51"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 f6 10. exf6 Nxf6 11. 0-0 Bd6 12. a3 Bd7 13. Bc2 0-0 14. Qd3 e5 15. dxe5 Nxe5 16. Nxe5 Bxe5 17. Nc3 d4 18. Nd5 Nxd5 19. Qxh7+ Kf7 20. Qh5+ Kf6 21. Qg5+ Ke6 22. Re1 Ne3 23. Bxe3 Bxh2+ 24. Kxh2 dxe3 25. Rxe3+ Kd6 26. Qe5+ 1-0

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2016.01.03"]
[Round "1"]
[White "Pietsch, David"]
[Black "Schubert, Matthias"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "1736"]
[BlackElo "1931"]
[PlyCount "30"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Nf3 Bg7 6. e4 Nxc3 7. bxc3 c5 8. Be3 0-0 9. Rb1 cxd4 10. cxd4 Qa5+ 11. Qd2 Qxd2+ 12. Nxd2 Rd8 13. d5 b6 14. Be2 e6 15. Bc4 Ba6 1/2-1/2

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.05"]
[Round "7"]
[White "Pietsch, David"]
[Black "Guede, Klaus"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "1753"]
[BlackElo "1917"]
[PlyCount "87"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 0-0 7. Qc2 c6 8. e3 Nbd7 9. Bd3 h6 10. Bh4 Qa5 11. 0-0 Re8 12. Nd2 Be7 13. a3 Nh5 14. Bxe7 Rxe7 15. b4 Qd8 16. b5 Nf8 17. bxc6 bxc6 18. Na4 Rc7 19. Nc5 a5 20. Rab1 Ne6 21. Ndb3 a4 22. Nd2 Nxc5 23. Qxc5 Ba6 24. Bxa6 Rxa6 25. Rb4 Nf6 26. Rfb1 Nd7 27. Qd6 Qc8 28. Qf4 g5 29. Qf5 c5 30. dxc5 Rxc5 31. h3 d4 32. Qd3 dxe3 33. Qxe3 Re6 34. Qd4 Rc1+ 35. Rxc1 Qxc1+ 36. Kh2 Qc7+ 37. g3 Rd6 38. Qb2 Rb6 39. Nc4 Qxc4 40. Rxb6 Nxb6 41. Qxb6 Qb3 42. Qc5 Kg7 43. Qe5+ f6 44. Qe7+ 1/2-1/2

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.04"]
[Round "6"]
[White "Krumschmidt, Michael"]
[Black "Pietsch, David"]
[Result "0-1"]
[ECO "D39"]
[WhiteElo "1659"]
[BlackElo "1753"]
[PlyCount "142"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 e6 5. e4 Bb4 6. Bg5 Bxc3+ 7. bxc3 h6 8. Bxf6 Qxf6 9. e5 Qe7 10. Qa4+ Bd7 11. Qxc4 Bc6 12. Be2 0-0 13. 0-0 Rd8 14. Rfd1 Nd7 15. Qb3 Nb6 16. Rd2 Ba4 17. Qb1 c5 18. Qe4 cxd4 19. cxd4 Bc6 20. Qg4 Qb4 21. Rdd1 Rd7 22. Rac1 Rad8 23. Rxc6 bxc6 24. Qe4 Qe7 25. Bd3 g6 26. Qxc6 Nd5 27. Qc1 Kg7 28. h4 Rc7 29. Qb2 Qb4 30. Qa1 Qa3 31. Kh2 Rdc8 32. Rd2 Rc1 33. Qb2 Qxb2 34. Rxb2 R1c3 35. Be4 Nb6 36. Nd2 Nc4 37. Nxc4 R8xc4 38. Rd2 Ra3 39. f3 Raa4 40. d5 exd5 41. Rxd5 Rd4 42. Rc5 Rxa2 43. Rc7 Rdd2 44. f4 Rd4 45. Bf3 Kf8 46. Kg3 a5 47. Bc6 Rc2 48. Rc8+ Kg7 49. Rc7 Rdc4 50. e6 R4c3+ 51. Kh2 Rxc6 52. e7 Re6 53. Rxc2 Rxe7 54. Ra2 Ra7 55. Ra4 h5 56. Kh3 f5 57. Kg3 Kf6 58. Kf3 Ke6 59. Ke3 Kd5 60. Kd3 Kc5 61. Kc3 Kb5 62. Rd4 Ra6 63. Rd5+ Kc6 64. Re5 Kd6 65. Re8 a4 66. Kb4 a3 67. Rg8 Kd5 68. Rd8+ Ke4 69. Rd1 a2 70. Ra1 Kxf4 71. Kb5 Ra8 0-1

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.04"]
[Round "5"]
[White "Pietsch, David"]
[Black "Patzelt, Nikolaus"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "1753"]
[BlackElo "1876"]
[PlyCount "78"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Bd2 b6 5. Nf3 Bb7 6. e3 d6 7. Be2 Nbd7 8. 0-0 Bxc3 9. Bxc3 Ne4 10. Qc2 f5 11. Nd2 Qg5 12. f4 Qh4 13. Bf3 Ndf6 14. Nxe4 Bxe4 15. Bxe4 Nxe4 16. d5 0-0 17. Qd3 Rae8 18. Rf3 g5 19. fxg5 e5 20. Raf1 Qxg5 21. Rh3 Re7 22. Qe2 Rg7 23. Be1 Kh8 24. Rff3 Rfg8 25. Bg3 Qg4 26. Rh4 Qg5 27. Kf1 Nf6 28. Qf2 Ng4 29. Qe2 e4 30. Rxg4 exf3 31. gxf3 fxg4 32. f4 Qf6 33. Be1 Qf5 34. Bc3 Re8 35. Kf2 Kg8 36. Bxg7 Kxg7 37. b3 h5 38. Qb2+ Qf6 39. Qd2 Qh4+ 0-1

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.03"]
[Round "4"]
[White "Ernst, Franz"]
[Black "Pietsch, David"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "2070"]
[BlackElo "1753"]
[PlyCount "77"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. f3 exf3 7. Nxf3 Nf6 8. Bd3 Nbd7 9. 0-0 c5 10. Rb1 cxd4 11. cxd4 h6 12. Bf4 Nd5 13. Bd2 Qc7 14. Qc1 N7f6 15. c4 Nb6 16. Ba5 Qe7 17. Re1 Bd7 18. Bb4 Qd8 19. Qd2 Bc6 20. d5 Nbxd5 21. cxd5 Nxd5 22. Bc5 b6 23. Bf2 0-0 24. Ne5 Bb7 25. Bg3 Nf6 26. Rbd1 Qe7 27. Qb2 Rad8 28. Bb1 Qc5+ 29. Kh1 Rxd1 30. Rxd1 Rc8 31. Qe2 Qxa3 32. Bf4 Nd5 33. Bd2 Qb2 34. Qe4 f5 35. Qe1 Nc3 36. Nc4 Qb3 37. Qxe6+ Kh7 38. Bxf5+ g6 39. Qxg6+ 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.03"]
[Round "3"]
[White "Pietsch, David"]
[Black "Boehm, Jana"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "1753"]
[BlackElo "1827"]
[PlyCount "103"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c4 g6 4. Nc3 cxd4 5. Nxd4 Nc6 6. e4 Nxd4 7. Qxd4 Bg7 8. Be2 0-0 9. 0-0 d6 10. Rb1 b6 11. f3 Bb7 12. Qe3 Rc8 13. Bd2 e6 14. Rfd1 Qc7 15. Be1 Bc6 16. Bg3 Rfd8 17. Rd2 Nh5 18. Bh4 Rd7 19. Rbd1 a6 20. g4 Nf6 21. Bg3 Bf8 22. Kg2 Rcd8 23. h3 Qb7 24. Bh4 Be7 25. Bg3 d5 26. cxd5 exd5 27. Nxd5 Nxd5 28. exd5 Bxd5 29. a3 Bc5 30. Qg5 Qc6 31. b4 f6 32. Qf4 g5 33. Qf5 Bxf3+ 34. Qxf3 Qxf3+ 35. Kxf3 Rxd2 36. Rxd2 Rxd2 37. bxc5 bxc5 38. Bf2 Rc2 39. Bxa6 Rc3+ 40. Kg2 Rxa3 41. Bc4+ Kg7 42. h4 Ra4 43. Be6 c4 44. hxg5 fxg5 45. Bd4+ Kf8 46. Kf3 c3 47. Bc5+ Ke8 48. Bf5 c2 49. Be3 Rc4 50. Bxg5 c1Q 51. Bxc1 Rxc1 52. Bxh7 1/2-1/2

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.02"]
[Round "1"]
[White "Pietsch, David"]
[Black "Klein, Florian"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "1753"]
[BlackElo "1661"]
[PlyCount "52"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 a5 8. Ne5 Nf6 9. Qf3 Bxc3 10. Bxc3 b4 11. Bd2 Bb7 12. Bxc4 Qe7 13. 0-0 c5 14. Bb5+ Kd8 15. Qe2 Nbd7 16. Nxd7 Nxd7 17. Qd3 Qd6 18. Rad1 cxd4 19. exd4 Ke7 20. Bg5+ Nf6 21. Rfe1 Qd5 22. Qg3 h6 23. Bxf6+ gxf6 24. Qc7+ Kf8 25. Qc5+ Kg7 26. Qxd5 Bxd5 1/2-1/2

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.02"]
[Round "2"]
[White "Rossberg, Jonathan"]
[Black "Pietsch, David"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "1715"]
[BlackElo "1753"]
[PlyCount "60"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. d5 Bb4+ 5. Bd2 Bxd2+ 6. Nxd2 Nf6 7. Bxc4 Qe7 8. Ne2 0-0 9. 0-0 c6 10. Nc3 b5 11. Bb3 b4 12. Na4 Bb7 13. Re1 cxd5 14. exd5 Rd8 15. Qe2 Bxd5 16. Qxe5 Qxe5 17. Rxe5 Nc6 18. Bxd5 Nxd5 19. Rg5 h6 20. Rg3 Nf4 21. Ne4 Ne2+ 22. Kf1 Nxg3+ 23. Nxg3 Ne5 24. Re1 Re8 25. Nc5 Rad8 26. Nge4 Nd3 27. Nxd3 Rxd3 28. Nf6+ gxf6 29. Rxe8+ Kg7 30. Ke2 Rd5 1/2-1/2

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2014.01.05"]
[Round "7"]
[White "Pietsch, David"]
[Black "Franke, Dirk"]
[Result "1/2-1/2"]
[ECO "D33"]
[WhiteElo "1757"]
[BlackElo "1651"]
[PlyCount "44"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. g3 e6 4. Bg2 d5 5. cxd5 exd5 6. 0-0 Nf6 7. d4 b6 8. Nc3 Be6 9. Bg5 Be7 10. Rc1 Rc8 11. Na4 Ne4 12. Bxe7 Qxe7 13. Nc3 Nxc3 14. Rxc3 0-0 15. Qd2 c4 16. Qf4 Rfd8 17. Ne5 Nxe5 18. Qxe5 Qc7 19. Qg5 h6 20. Qd2 b5 21. a3 a5 22. Rcc1 Qb6 1/2-1/2

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2014.01.04"]
[Round "5"]
[White "Krumschmidt, Michael"]
[Black "Pietsch, David"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1649"]
[BlackElo "1757"]
[PlyCount "241"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. cxd5 cxd5 5. Bf4 Nc6 6. e3 a6 7. Bd3 g6 8. Rc1 Bg7 9. h3 0-0 10. a3 Qa5 11. Nge2 Re8 12. 0-0 e5 13. dxe5 Nxe5 14. Bb1 Bd7 15. Qb3 Bc6 16. Rfd1 Rad8 17. Nd4 Rc8 18. Ba2 Nc4 19. Nc2 Qb6 20. Nb4 Red8 21. e4 Na5 22. Qc2 dxe4 23. Nxc6 Nxc6 24. Be3 Qc7 25. Qb3 Qe7 26. Rxd8+ Rxd8 27. Bb6 Rd2 28. Be3 Rd7 29. Bg5 h6 30. Be3 Ne5 31. Qb6 Nd3 32. Rc2 Rd6 33. Qa7 Qd7 34. Rd2 Kh7 35. b4 Ne5 36. Rxd6 Qxd6 37. Qxb7 Qc6 38. Qxc6 Nxc6 39. Bxf7 Bf8 40. Bc4 Nb8 41. Bd4 Be7 42. Nd5 Nxd5 43. Bxd5 a5 44. Bc3 axb4 45. Bxb4 Bf6 46. Bxe4 Bd4 47. Bf8 Nd7 48. Be7 Nc5 49. Bc2 Nb7 50. Bb3 Na5 51. Bd5 Bb6 52. Bf6 g5 53. Bc3 Kg6 54. Kf1 Kf5 55. Ke2 h5 56. Kf3 g4+ 57. hxg4+ hxg4+ 58. Ke2 Bc5 59. a4 Bb6 60. f3 gxf3+ 61. gxf3 Bc7 62. Kd3 Bd6 63. Bd4 Bc7 64. Kc3 Bd6 65. Bb6 Bg3 66. Kb4 Ke5 67. Be4 Be1+ 68. Kb5 Nb3 69. a5 Nxa5 70. Bxa5 Bh4 71. Bc7+ Ke6 72. Kc5 Bf2+ 73. Kc6 Be3 74. Bg3 Kf6 75. Kd5 Bd2 76. Be5+ Kg5 77. Ke6 Bc1 78. Bg7 Bd2 79. Kf7 Bb4 80. Bf6+ Kf4 81. Kg6 Bd6 82. Bg5+ Kg3 83. Kf5 Bc7 84. Bf6 Ba5 85. Be5+ Kh4 86. Bf4 Bb4 87. Bd5 Be7 88. Be5 Bb4 89. Be6 Bd2 90. Bd6 Be3 91. Bh2 Bc5 92. Kg6 Be3 93. Bg4 Bb6 94. Kf5 Ba5 95. Be5 Bd2 96. Bf4 Bb4 97. Bh6 Bd6 98. Bf4 Bb4 99. Ke4 Ba5 100. Bf5 Bd8 101. Bh6 Bc7 102. f4 Kh5 103. Bg5 Ba5 104. Kf3 Bd2 105. Bg4+ Kg6 106. Ke4 Bc1 107. Bh4 Bb2 108. f5+ Kf7 109. Kd5 Bc3 110. Bh5+ Kg7 111. Bg5 Bb2 112. Ke6 Bc3 113. Bf4 Kf8 114. Be5 Bd2 115. f6 Bg5 116. f7 Bf6 117. Bd6+ Be7 118. Bxe7+ Kg7 119. f8Q+ Kh7 120. Qf7+ Kh8 121. Bf6# 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2014.01.04"]
[Round "6"]
[White "Steinhof, Michael"]
[Black "Pietsch, David"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1723"]
[BlackElo "1757"]
[PlyCount "72"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 c5 3. g3 Nc6 4. Nf3 Qc7 5. Bg2 d6 6. d3 Nf6 7. 0-0 Be7 8. Na3 a6 9. Re1 e5 10. Bg5 0-0 11. Nc4 Bg4 12. c3 Ne8 13. Bxe7 Nxe7 14. h3 Bd7 15. Ne3 Bc6 16. Nh4 Nf6 17. c4 g6 18. Nd5 Nfxd5 19. exd5 Bd7 20. f4 f6 21. g4 Rae8 22. fxe5 fxe5 23. Rf1 b5 24. b3 Kg7 25. Rxf8 Rxf8 26. Rf1 Qd8 27. Be4 Ng8 28. Nf3 h6 29. Kg2 Rf4 30. Qb2 Nf6 31. Nd2 Rxf1 32. Kxf1 h5 33. g5 Bxh3+ 34. Kg1 Nh7 35. Nf3 Nxg5 36. Nxe5 Qf6 0-1

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2014.01.03"]
[Round "3"]
[White "Ehrlich, Sven"]
[Black "Pietsch, David"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1933"]
[BlackElo "1757"]
[PlyCount "81"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Bd7 8. 0-0 Nge7 9. Na3 Nf5 10. Nc2 h6 11. b3 g5 12. g4 Nfe7 13. Bd3 Ng6 14. Bxg6 fxg6 15. Qd3 0-0-0 16. Bd2 Be7 17. a4 Rdf8 18. Rfc1 Kb8 19. Kg2 Qd8 20. b4 h5 21. h3 Qe8 22. b5 Nd8 23. Nb4 hxg4 24. hxg4 Qf7 25. Qc3 Qxf3+ 26. Qxf3 Rxf3 27. Kxf3 Rh3+ 28. Kg2 Rh4 29. f3 Nf7 30. Nd3 Rh8 31. Bb4 Bd8 32. Rh1 Rh4 33. Rac1 a6 34. Nc5 Bc8 35. bxa6 bxa6 36. a5 Bc7 37. Rb1 Ka8 38. Rhc1 Nxe5 39. Nxe6 Rh2+ 40. Kxh2 Nxf3+ 41. Kh1 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2014.01.03"]
[Round "4"]
[White "Pietsch, David"]
[Black "Schlichter, Lisa"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "1757"]
[BlackElo "1654"]
[PlyCount "57"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 0-0 6. e3 b6 7. Rc1 Bb7 8. cxd5 exd5 9. Bd3 Nbd7 10. 0-0 c5 11. Qa4 a6 12. Bf5 b5 13. Qc2 c4 14. a3 h6 15. Bh4 Re8 16. Nd2 Rc8 17. Rfe1 Rc7 18. Bg3 Rc8 19. Re2 Nh5 20. Rce1 Nxg3 21. hxg3 Rc7 22. e4 dxe4 23. Ncxe4 Nb6 24. Nf3 Nd5 25. Nc5 Bc8 26. Bxc8 Qxc8 27. Nh4 Rd8 28. Ne4 Rcd7 29. Nf3 1/2-1/2

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2014.01.02"]
[Round "1"]
[White "Martin, Dennis"]
[Black "Pietsch, David"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1957"]
[BlackElo "1757"]
[PlyCount "65"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. Bd3 Be7 5. Ngf3 0-0 6. 0-0 dxe4 7. Nxe4 Nxe4 8. Bxe4 Nd7 9. c3 Nf6 10. Bc2 c5 11. Qd3 cxd4 12. cxd4 Bd7 13. Ne5 Rc8 14. Bg5 g6 15. Rac1 Nd5 16. Bh6 Re8 17. Bb3 Bc6 18. Nxc6 Rxc6 19. Ba4 Rxc1 20. Rxc1 Bg5 21. Bxg5 Qxg5 22. Rc5 Rd8 23. Bb3 b6 24. Rc4 Qf4 25. g3 Qd6 26. a3 Kg7 27. Qc2 Nf6 28. Qe2 Qd7 29. Qe5 Qd6 30. Rc7 Qxd4 31. Qxd4 Rxd4 32. Bxe6 Rd6 33. Rxf7+ 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2014.01.02"]
[Round "2"]
[White "Pietsch, David"]
[Black "Dorn, Matthias"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "1757"]
[BlackElo "1933"]
[PlyCount "81"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. b3 b5 6. cxb5 Bxb5 7. Bg2 d5 8. 0-0 Bd6 9. Nc3 Ba6 10. Bb2 Nbd7 11. Re1 0-0 12. Rc1 c5 13. e4 cxd4 14. Nxd4 e5 15. Nc6 Qe8 16. Nxd5 Qe6 17. Ncb4 Bxb4 18. Nxb4 Bb7 19. Qd2 Rfd8 20. Qe3 a5 21. Nd3 a4 22. Nc5 Nxc5 23. Rxc5 Nd7 24. Rc7 Ba6 25. Rec1 Bb5 26. bxa4 Bxa4 27. a3 Rab8 28. Ba1 h6 29. h3 Rb3 30. R7c3 Rbb8 31. Qe2 Qd6 32. Qc4 Bb5 33. Qd5 Qxd5 34. exd5 Nb6 35. Rc5 Nd7 36. Rc7 Bd3 37. Bc3 Nb6 38. Bxe5 Nxd5 39. R7c5 Rb5 40. Rxb5 Bxb5 41. Rc5 1-0

[Event "GER Cup19 E/V01 email"]
[Site "GER email"]
[Date "2013.04.01"]
[Round "?"]
[White "Hasche, Marco"]
[Black "Pietsch, David"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2022"]
[PlyCount "46"]
[EventDate "2013.04.08"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2015"]
[Source "ChessBase"]
[SourceDate "2015.07.17"]
[SourceVersion "1"]
[SourceVersionDate "2015.07.17"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Nc6 6. Bb5 Ne4 7. Qd3 Nxc3 8. bxc3 a6 9. Bxc6+ bxc6 10. Ne5 f6 11. Nc4 Qf5 12. Qe2 a5 13. Ne3 Qe4 14. f3 Qh4+ 15. g3 Qh5 16. Ba3 Ba6 17. c4 e5 18. Bxf8 Rxf8 19. 0-0 0-0-0 20. dxe5 Qxe5 21. Rfe1 Rfe8 22. Kf2 Qc3 23. f4 Rd2 0-1

[Event "GER Cup19 E/V01 email"]
[Site "GER email"]
[Date "2013.04.01"]
[Round "?"]
[White "Pietsch, David"]
[Black "Duchene, Klaus"]
[Result "1-0"]
[ECO "B32"]
[BlackElo "1703"]
[PlyCount "61"]
[EventDate "2013.04.08"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2015"]
[Source "ChessBase"]
[SourceDate "2015.07.17"]
[SourceVersion "1"]
[SourceVersionDate "2015.07.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 e5 6. Ndb5 d6 7. e4 a6 8. Na3 Be7 9. Nc2 Be6 10. b3 0-0 11. g3 Nd7 12. Bg2 f5 13. exf5 Bxf5 14. 0-0 Bxc2 15. Qxc2 Nd4 16. Qd1 Rb8 17. Be3 Nf6 18. Bxd4 exd4 19. Qxd4 b6 20. Rad1 Nd7 21. Ne4 Nf6 22. Nxd6 Qxd6 23. Qxd6 Bxd6 24. Rxd6 Rfd8 25. Rfd1 Rxd6 26. Rxd6 Ne8 27. Rd7 Nf6 28. Bd5+ Nxd5 29. Rxd5 Rb7 30. c5 bxc5 31. Rxc5 1-0

[Event "GER Cup19 E/V01 email"]
[Site "GER email"]
[Date "2013.04.01"]
[Round "?"]
[White "Rimmelspacher, Udo"]
[Black "Pietsch, David"]
[Result "1-0"]
[ECO "E32"]
[PlyCount "43"]
[EventDate "2013.04.08"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2015"]
[Source "ChessBase"]
[SourceDate "2015.07.17"]
[SourceVersion "1"]
[SourceVersionDate "2015.07.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d4 b6 4. e4 Bb7 5. Bd3 Bb4 6. Qc2 Bxc3+ 7. bxc3 d6 8. f4 h6 9. Nf3 Nbd7 10. e5 Ng8 11. 0-0 Qe7 12. Ba3 c5 13. Be4 d5 14. cxd5 exd5 15. Bd3 0-0-0 16. Qf2 g5 17. f5 g4 18. Nh4 Nxe5 19. f6 Qxf6 20. Qg3 Nf3+ 21. gxf3 gxf3 22. Bf5+ 1-0

[Event "GER AK-1832 email"]
[Site "GER email"]
[Date "2013.02.13"]
[Round "?"]
[White "Denker, Hans Peter"]
[Black "Pietsch, David"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1311"]
[PlyCount "52"]
[EventDate "2013.02.25"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2015"]
[Source "ChessBase"]
[SourceDate "2015.07.17"]
[SourceVersion "1"]
[SourceVersionDate "2015.07.17"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. exd5 exd5 4. d4 Bf5 5. Nf3 Nf6 6. Bg5 Be7 7. Be2 Nc6 8. Bb5 0-0 9. Bxc6 bxc6 10. Be3 Ng4 11. Qe2 Re8 12. 0-0 c5 13. Qd2 cxd4 14. Nxd4 Nxe3 15. fxe3 Be4 16. Nxe4 dxe4 17. Rad1 Bg5 18. Nf5 Qxd2 19. Rxd2 g6 20. h4 Bd8 21. Nh6+ Kg7 22. Nxf7 Bxh4 23. Rd7 Re7 24. Rxe7 Bxe7 25. Ne5 Bd6 26. Rf7+ Kg8 0-1

[Event "GER AK-1832 email"]
[Site "GER email"]
[Date "2013.02.13"]
[Round "?"]
[White "Kettl, Hans Peter"]
[Black "Pietsch, David"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1557"]
[PlyCount "73"]
[EventDate "2013.02.25"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2015"]
[Source "ChessBase"]
[SourceDate "2015.07.17"]
[SourceVersion "1"]
[SourceVersionDate "2015.07.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. b3 Nc6 6. 0-0 Bd7 7. Bb2 Nb4 8. Be2 Rc8 9. a3 Nc6 10. Nbd2 Bd6 11. dxc5 Bxc5 12. Ne5 Nxe5 13. Bxe5 0-0 14. c4 a5 15. cxd5 exd5 16. Nf3 Bc6 17. Qc2 Ne4 18. Qb2 f6 19. Bd4 Bd6 20. Rac1 Qe7 21. Ra1 Rfe8 22. Rfd1 b5 23. Bf1 f5 24. Rdc1 Bd7 25. Rxc8 Rxc8 26. b4 axb4 27. axb4 g5 28. Ra7 g4 29. Ne5 Bxe5 30. Bxe5 Nd6 31. Qd4 Qe6 32. Rxd7 Qxd7 33. Qxd5+ Qf7 34. Qxd6 Rc1 35. Qd8+ Qf8 36. Qg5+ Qg7 37. Qxg7# 1-0

[Event "GER AK-1832 email"]
[Site "GER email"]
[Date "2013.02.13"]
[Round "?"]
[White "Pietsch, David"]
[Black "Denker, Hans Peter"]
[Result "1-0"]
[ECO "A85"]
[BlackElo "1311"]
[PlyCount "47"]
[EventDate "2013.02.25"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2015"]
[Source "ChessBase"]
[SourceDate "2015.07.17"]
[SourceVersion "1"]
[SourceVersionDate "2015.07.17"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 g6 3. c4 Bg7 4. Nc3 Nf6 5. Qc2 0-0 6. e4 d6 7. Bd3 fxe4 8. Nxe4 Nxe4 9. Bxe4 e5 10. dxe5 dxe5 11. Bg5 Qe8 12. 0-0-0 Nc6 13. Be3 Bg4 14. h3 Bxf3 15. gxf3 Rd8 16. Rxd8 Qxd8 17. h4 Nd4 18. Qd1 c5 19. Bxb7 Qb6 20. Bd5+ Kh8 21. h5 Rb8 22. b3 a5 23. hxg6 a4 24. Rxh7# 1-0

[Event "GER AK-1832 email"]
[Site "GER email"]
[Date "2013.02.13"]
[Round "?"]
[White "Pietsch, David"]
[Black "Kettl, Hans Peter"]
[Result "0-1"]
[ECO "A31"]
[BlackElo "1557"]
[PlyCount "68"]
[EventDate "2013.02.25"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2015"]
[Source "ChessBase"]
[SourceDate "2015.07.17"]
[SourceVersion "1"]
[SourceVersionDate "2015.07.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Bc5 7. e3 0-0 8. N5c3 e4 9. Nd2 Qe7 10. Be2 Rd8 11. a3 Nxd5 12. Nxd5 Rxd5 13. Qc2 Bf5 14. b4 Bb6 15. Bb2 Nc6 16. 0-0 Bc7 17. Rfd1 Rc8 18. Qb3 Be6 19. Bc4 Rh5 20. Bxe6 Bxh2+ 21. Kf1 fxe6 22. Nxe4 Bc7 23. Nc5 Be5 24. Rd7 Qe8 25. Bxe5 Nxe5 26. Rdd1 Rh1+ 27. Ke2 Qb5+ 28. Nd3 Rh6 29. Rh1 Nxd3 30. Kd2 Rd8 31. Kc3 Nc5 32. Qc2 Rd3+ 33. Kb2 Na4+ 34. Ka2 Qd5+ 0-1

[Event "GER AK-1832 email"]
[Site "GER email"]
[Date "2013.02.13"]
[Round "?"]
[White "Pietsch, David"]
[Black "Renzel, Hans Joerg"]
[Result "0-1"]
[ECO "D15"]
[BlackElo "2073"]
[PlyCount "86"]
[EventDate "2013.02.25"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2015"]
[Source "ChessBase"]
[SourceDate "2015.07.17"]
[SourceVersion "1"]
[SourceVersionDate "2015.07.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 a6 5. e3 Bf5 6. Qb3 Ra7 7. Nh4 Bg6 8. Nxg6 hxg6 9. c5 Nbd7 10. f4 e6 11. Bd2 Nh5 12. Ne2 b6 13. cxb6 Qxb6 14. Qxb6 Nxb6 15. Rc1 Kd7 16. b3 a5 17. a4 Nc8 18. Rc2 Ba3 19. Ra2 Be7 20. Kd1 Nd6 21. h3 Ne4 22. Be1 Rb7 23. Nc1 g5 24. Bd3 gxf4 25. Bxe4 dxe4 26. exf4 Bb4 27. Rf1 f5 28. Rc2 Nf6 29. Rff2 Nd5 30. Ke2 Rh4 31. Bxb4 Rxb4 32. Rc5 Rxd4 33. g3 Rxh3 34. Rg2 e5 35. fxe5 f4 36. Rxd5+ cxd5 37. gxf4 Ke6 38. Rf2 e3 39. Rf3 Rxf3 40. Kxf3 Rd1 41. Ne2 d4 42. Ke4 g6 43. Ng3 Rd2 0-1

[Event "GER AK-1832 email"]
[Site "GER email"]
[Date "2013.02.13"]
[Round "?"]
[White "Renzel, Hans Joerg"]
[Black "Pietsch, David"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2073"]
[PlyCount "91"]
[EventDate "2013.02.25"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2015"]
[Source "ChessBase"]
[SourceDate "2015.07.17"]
[SourceVersion "1"]
[SourceVersionDate "2015.07.17"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 Nf6 3. Nc3 d5 4. d4 c5 5. cxd5 exd5 6. g3 Nc6 7. Bg2 Be6 8. 0-0 Be7 9. b3 0-0 10. Bb2 Rc8 11. Rc1 b6 12. e3 cxd4 13. Nxd4 Nxd4 14. Qxd4 Bc5 15. Qf4 Qe7 16. Ne2 Ne4 17. Bxe4 dxe4 18. Qxe4 Bh3 19. Qxe7 Bxe7 20. Rfd1 Rxc1 21. Rxc1 Rc8 22. f3 Rxc1+ 23. Nxc1 Bc5 24. Bd4 Ba3 25. Nd3 Be6 26. Kf2 Kf8 27. Bc3 Bd6 28. Bb4 Bxb4 29. Nxb4 a5 30. Nc6 Bd5 31. Nd4 Ke7 32. e4 Bb7 33. Nf5+ Kf6 34. Nd6 Ba6 35. Ke3 g5 36. Nc4 a4 37. Nxb6 axb3 38. axb3 Ke6 39. Kd4 f6 40. f4 Be2 41. Nc4 Bd1 42. b4 h6 43. Kc5 gxf4 44. gxf4 Bc2 45. Nd6 Kd7 46. b5 1-0

[Event "BZM-ch U20"]
[Site "Osterode"]
[Date "1997.??.??"]
[Round "?"]
[White "Barz, Oliver"]
[Black "Pietsch, David"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "87"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 b6 4. g3 Bb7 5. Bg2 dxe4 6. Bxe4 Bxe4 7. Nxe4 Nf6 8. Bg5 Nbd7 9. f4 h6 10. Bxf6 Nxf6 11. Nf3 Bd6 12. Qe2 0-0 13. 0-0-0 c6 14. Nfd2 Nxe4 15. dxe4 Qc7 16. e5 Be7 17. Ne4 Rfd8 18. Rxd8+ Rxd8 19. Rd1 Rxd1+ 20. Qxd1 Qd8 21. Qxd8+ Bxd8 22. c4 Be7 23. Kc2 Kf8 24. Kd3 c5 25. g4 f6 26. b3 Kf7 27. exf6 gxf6 28. f5 Bf8 29. h3 Be7 30. Nc3 Bd6 31. Nb5 Bb8 32. Ke4 a6 33. Nc3 Bc7 34. fxe6+ Kxe6 35. Nd5 Bd8 36. Nf4+ Ke7 37. Kf5 Kf7 38. a4 Be7 39. h4 Bd8 40. Ne6 Be7 41. Nc7 a5 42. Nd5 Bd8 43. h5 Ke8 44. Ke6 1-0

[Event "BZM-ch U20"]
[Site "Osterode"]
[Date "1997.??.??"]
[Round "?"]
[White "Pietsch, David"]
[Black "Barth, Daniel"]
[Result "1/2-1/2"]
[ECO "C19"]
[PlyCount "40"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd3 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Nf3 c4 8. Be2 0-0 9. e5 Nbc6 10. 0-0 h6 11. Nh4 Bd7 12. f4 f5 13. exf6 Rxf6 14. Bg4 Nf5 15. Nf3 Qa5 16. Bd2 Kh7 17. Ne5 Nxe5 18. fxe5 Rf7 19. Bh3 Raf8 20. g3 Ba4 1/2-1/2

[Event "BZM-ch U20"]
[Site "Osterode"]
[Date "1997.??.??"]
[Round "?"]
[White "Pietsch, David"]
[Black "Schwerdtfeger, Volker"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "79"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Be3 d6 4. Nc3 c6 5. Qd2 d5 6. exd5 cxd5 7. Nf3 Bg4 8. Be2 e6 9. h3 Bxf3 10. Bxf3 Qb6 11. 0-0 Nc6 12. Ne2 Nge7 13. c3 Rd8 14. Ng3 Qc7 15. Bf4 e5 16. dxe5 Bxe5 17. Bxe5 Nxe5 18. Bd1 h5 19. Ba4+ Kf8 20. Rad1 Nc4 21. Qc1 Qc5 22. Ne2 Kg7 23. b4 Qb6 24. Nd4 Qf6 25. Rfe1 a6 26. Re2 b5 27. Bc2 Rd7 28. Rde1 Rhd8 29. Bb1 Re8 30. Bd3 Rd6 31. Bb1 Rd7 32. Bd3 Rb8 33. Bb1 Rdb7 34. Bd3 Nc6 35. Nb3 N6e5 36. Bb1 Re7 37. Nd4 Ra8 38. Bc2 Rae8 39. Bb1 Nd7 40. Bc2 0-1

[Event "Sued Niedersachsen-ch U20"]
[Site "Osterode"]
[Date "1995.??.??"]
[Round "?"]
[White "Martens, Stephan"]
[Black "Pietsch, David"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "60"]
[EventDate "1995.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Be3 Bf5 6. Bd3 Bxd3 7. Qxd3 Nf6 8. Nbd2 c6 9. h3 Nbd7 10. 0-0 Qc7 11. Rfe1 0-0 12. c4 Rfe8 13. c5 Bf8 14. b4 Ne4 15. Bg5 Nxd2 16. Bxd2 g6 17. Re3 Rxe3 18. Bxe3 Re8 19. Qd2 Nf6 20. g3 Ne4 21. Qc1 Qc8 22. Kg2 Bg7 23. Bh6 Qf5 24. Bxg7 Kxg7 25. Qe3 Re6 26. Nd2 Nxc5 27. bxc5 Rxe3 28. fxe3 Qc2 29. Rb1 Qxd2+ 30. Kh1 Qxe3 0-1

[Event "Sued Niedersachsen-ch U20"]
[Site "Osterode"]
[Date "1995.??.??"]
[Round "?"]
[White "Pietsch, David"]
[Black "Loehnhardt, Benjamin"]
[Result "0-1"]
[ECO "B92"]
[PlyCount "60"]
[EventDate "1995.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. 0-0 Nbd7 10. f4 Qc7 11. Kh1 Rc8 12. Rc1 0-0 13. f5 Bc4 14. Bxc4 Qxc4 15. Qd3 b5 16. a3 Rc7 17. Rfd1 Rfc8 18. Na5 Qxd3 19. Rxd3 Nc5 20. Bxc5 dxc5 21. Nd5 Nxe4 22. Re3 Bg5 23. Rxe4 Bxc1 24. Nxc7 Rxc7 25. Rxe5 Kf8 26. Nb3 Bxb2 27. Rxc5 Rxc5 28. Nxc5 a5 29. Nb7 a4 30. Nd6 b4 0-1

[Event "Sued Niedersachsen-ch U20"]
[Site "Osterode"]
[Date "1995.??.??"]
[Round "?"]
[White "Pietsch, David"]
[Black "Toennies, Michael"]
[Result "1/2-1/2"]
[ECO "C45"]
[PlyCount "66"]
[EventDate "1995.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 Qe7 7. 0-0 d6 8. Nc3 g6 9. Bg5 Bg7 10. f4 d5 11. exd5 Qc5+ 12. Kh1 0-0 13. dxc6 Qxc6 14. Qf3 Qxf3 15. Rxf3 Bb7 16. Rff1 Ng4 17. f5 Bd4 18. Nd1 Rae8 19. h3 Ne5 20. Bb5 Nc6 21. Bh6 Re5 22. Bxf8 Kxf8 23. Bd3 Ne7 24. fxg6 Nxg6 25. Nc3 Nh4 26. Kh2 Nxg2 27. Ne2 Bc5 28. Rf5 Rxf5 29. Bxf5 Bd6+ 30. Kg1 Bc5+ 31. Kh2 Bd6+ 32. Kg1 Bc5+ 33. Kh2 Bd6+ 1/2-1/2

[Event "Sued Niedersachsen-ch U20"]
[Site "Osterode"]
[Date "1995.??.??"]
[Round "?"]
[White "Windisch, Karsten"]
[Black "Pietsch, David"]
[Result "0-1"]
[ECO "D60"]
[PlyCount "62"]
[EventDate "1995.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. a3 d5 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Be7 7. Nf3 0-0 8. Bd3 dxc4 9. Bxc4 c5 10. 0-0 a6 11. a4 cxd4 12. Nxd4 Nb6 13. Qe2 Nxc4 14. Qxc4 e5 15. Nf3 Be6 16. Qh4 Qa5 17. Rfd1 Bb3 18. Rdc1 Rac8 19. h3 h6 20. Bxf6 Bxf6 21. Qe4 Rc7 22. Nd2 Be6 23. b4 Qb6 24. Nd5 Bxd5 25. Qxd5 Rxc1+ 26. Rxc1 Rd8 27. Qa2 Qxb4 28. Nf3 e4 29. Nd4 Bxd4 30. exd4 Qxd4 31. Rc7 Qd1+ 0-1

