[Event "Verden op-A"]
[Site "Verden"]
[Date "2023.01.08"]
[Round "7"]
[White "Anderberg, Peter"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "1944"]
[BlackElo "1839"]
[PlyCount "65"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Bb5+ Bd7 9. Be2 Nc6 10. Rb1 Qc8 11. 0-0 0-0 12. d5 Ne5 13. Nxe5 Bxe5 14. Bh6 Bxc3 15. Bxf8 Kxf8 16. Qb3 Bb4 17. a3 Ba5 18. Qxb7 Qxb7 19. Rxb7 Ke8 20. Bb5 Bxb5 21. Rxb5 Bb6 22. a4 Rc8 23. a5 Bd8 24. Rb7 Bxa5 25. Rxa7 Bb4 26. Rfa1 c4 27. Ra8 Kd7 28. Rxc8 Kxc8 29. Ra4 Bd2 30. Rxc4+ Kd7 31. Rc6 f6 32. Ra6 h5 33. e5 1-0

[Event "Verden op-A"]
[Site "Verden"]
[Date "2023.01.07"]
[Round "5"]
[White "Moerz, Simon"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1741"]
[BlackElo "1839"]
[PlyCount "123"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Qc7 5. 0-0 Nf6 6. Re1 d6 7. d4 cxd4 8. Nxd4 a6 9. c4 Be7 10. Nc3 0-0 11. b3 Nd7 12. Be3 Bf6 13. Rc1 g6 14. Ncb5 axb5 15. cxb5 Bxd4 16. Bxd4 e5 17. Be3 Rxa2 18. bxc6 bxc6 19. Bh6 Re8 20. Qf3 c5 21. Bh3 Qd8 22. b4 Qf6 23. Qe3 Qe7 24. Bg5 f6 25. Bh6 Nf8 26. Bf1 Be6 27. bxc5 dxc5 28. Rxc5 Bf7 29. Bxf8 Rxf8 30. Rec1 Rd8 31. Rc7 Rd7 32. Qb6 Rad2 33. Rc8+ Kg7 34. Kg2 Rb7 35. Qc6 Rbb2 36. Rc7 Rxf2+ 37. Kg1 Qd8 38. Rd7 Qe8 39. Qd6 Qa8 40. Rxf7+ Kxf7 41. Rc7+ Kg8 42. Qe6+ Kh8 43. Rc8+ Qxc8 44. Qxc8+ Kg7 45. Qd7+ Kh6 46. Qh3+ Kg7 47. Qd7+ Kh6 48. Qh3+ Kg7 49. Qe6 Rf3 50. Qd7+ Kh6 51. Qg4 Rc3 52. Qd1 Rcc2 53. h4 Rc3 54. Kh1 Rbb3 55. Qd2+ Kg7 56. Qd7+ Kf8 57. Qd6+ Kg7 58. Qe7+ Kh6 59. Qf8+ Kh5 60. Be2+ Rf3 61. Qxf6 Kg4 62. Kg2 1-0

[Event "Verden op-A"]
[Site "Verden"]
[Date "2023.01.07"]
[Round "6"]
[White "Rossberg, Jonathan"]
[Black "Moseler, Thomas"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1839"]
[BlackElo "1638"]
[PlyCount "113"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Be7 9. Qd2 h5 10. 0-0-0 Nbd7 11. Kb1 Rc8 12. Be2 Nb6 13. Bxb6 Qxb6 14. Rdg1 Rd8 15. Nd5 Bxd5 16. exd5 Rc8 17. Bd3 Nxd5 18. Bf5 Rc5 19. Nxc5 Qxc5 20. Re1 Nc7 21. f4 Kf8 22. fxe5 dxe5 23. Qd7 g6 24. Bd3 Kg7 25. Qh3 Bf6 26. Rhf1 Rd8 27. Qf3 Rd6 28. g4 hxg4 29. Qxg4 Nd5 30. Qc4 Qb6 31. Qb3 Qc7 32. Be4 Nb6 33. Rd1 Nc4 34. Rxd6 Nxd6 35. Qd3 b5 36. Rd1 Nxe4 37. Qxe4 Qc8 38. Rd3 Qc5 39. Re3 Qd6 40. a3 a5 41. h4 b4 42. axb4 axb4 43. Rh3 Qa6 44. Rh1 b3 45. cxb3 Qb6 46. h5 Qxb3 47. Rg1 g5 48. Qf5 Qb6 49. Rf1 Qd6 50. h6+ Kxh6 51. Qxf6+ Qxf6 52. Rxf6+ Kg7 53. Rf2 g4 54. b4 Kf8 55. Rf5 Ke7 56. Rxe5+ Kd6 57. Rg5 1-0

[Event "Verden op-A"]
[Site "Verden"]
[Date "2023.01.06"]
[Round "3"]
[White "Rossberg, Jonathan"]
[Black "Heldt, Nils Lennart"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "1839"]
[BlackElo "2075"]
[PlyCount "34"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Bb4+ 5. c3 dxc3 6. 0-0 d5 7. exd5 0-0 8. Nxc3 Nbd7 9. Bg5 Nb6 10. Bb3 Bxc3 11. bxc3 Nbxd5 12. Qd4 h6 13. Bxd5 hxg5 14. Bxf7+ Kxf7 15. Ne5+ Kg8 16. Qc4+ Qd5 17. Qxc7 Ne8 0-1

[Event "Verden op-A"]
[Site "Verden"]
[Date "2023.01.06"]
[Round "4"]
[White "Schramm, Kilian"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1615"]
[BlackElo "1839"]
[PlyCount "69"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 g6 5. Na3 Bg7 6. Bc4 Qd8 7. d3 Nf6 8. Bf4 a6 9. Qd2 0-0 10. 0-0 Nc6 11. Rfe1 e6 12. Rad1 Na5 13. Qe2 b5 14. b4 cxb4 15. cxb4 Nc6 16. Bb3 Nxb4 17. Ne5 Nfd5 18. Bd2 Qd6 19. d4 Nxa2 20. Nac4 bxc4 21. Nxc4 Qb8 22. Bxa2 Bxd4 23. Rb1 Qa7 24. Bh6 Bg7 25. Bxg7 Kxg7 26. Nd6 Kg8 27. Bxd5 exd5 28. Qe5 Be6 29. Rb7 Qc5 30. Ne4 Qc8 31. Nf6+ Kh8 32. Rc7 Qd8 33. Nxd5+ f6 34. Qxe6 Re8 35. Re7 1-0

[Event "Verden op-A"]
[Site "Verden"]
[Date "2023.01.05"]
[Round "1"]
[White "Bulygin, Anton"]
[Black "Rossberg, Jonathan"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2072"]
[BlackElo "1839"]
[PlyCount "75"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 b6 2. Nc3 e6 3. e4 Bb7 4. g3 f5 5. d3 Nf6 6. Bg2 Bb4 7. f3 fxe4 8. fxe4 Bxc3+ 9. bxc3 0-0 10. Nf3 d6 11. 0-0 Nbd7 12. Nd4 Nc5 13. Bg5 h6 14. Be3 Qe7 15. Qe2 Nfd7 16. Nb3 e5 17. Bh3 Rad8 18. Bf5 Bc8 19. Nd2 Nf6 20. Nf3 Bxf5 21. exf5 e4 22. Bxc5 dxc5 23. Nh4 Rfe8 24. Ng6 Qd7 25. dxe4 Rxe4 26. Qf3 Qe8 27. Rad1 Rxd1 28. Rxd1 Re1+ 29. Kg2 Rxd1 30. Qxd1 Kh7 31. Qf3 Qe4 32. Nf8+ Kg8 33. Ne6 Qc2+ 34. Kh3 Ne4 35. Qh5 Nd6 36. Nxc7 Qxf5+ 37. Qxf5 Nxf5 38. Nb5 1/2-1/2

[Event "Verden op-A"]
[Site "Verden"]
[Date "2023.01.05"]
[Round "2"]
[White "Rossberg, Jonathan"]
[Black "Renner, Kai"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "1839"]
[BlackElo "2171"]
[PlyCount "97"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Bb4 7. Bd2 Nf6 8. Bg2 Nc6 9. Nxc6 bxc6 10. 0-0 Rb8 11. f4 d5 12. e5 Nd7 13. Kh1 0-0 14. Qe1 c5 15. a3 Bxc3 16. Bxc3 Nb6 17. b3 Bb7 18. Qe2 d4 19. Bd2 Bxg2+ 20. Qxg2 Rfd8 21. f5 exf5 22. Rxf5 Rd7 23. e6 fxe6 24. Bf4 Qc8 25. Rxc5 Qxc5 26. Bxb8 Nd5 27. Bf4 Nxf4 28. Qa8+ Qf8 29. Qxf8+ Kxf8 30. gxf4 d3 31. cxd3 Rxd3 32. b4 Rf3 33. Kg2 Rxf4 34. Rc1 Rd4 35. Rc6 Rd2+ 36. Kg1 a5 37. Rxe6 axb4 38. axb4 Rb2 39. Rb6 Ke7 40. Rb7+ Kf6 41. b5 h5 42. b6 g5 43. Rb8 Kf5 44. h4 Kg4 45. hxg5 Kxg5 46. b7 Kh4 47. Kf1 Kh3 48. Rh8 Rxb7 49. Rxh5+ 1/2-1/2

[Event "Niedersachsen-ch op-A"]
[Site "Verden an der Aller"]
[Date "2020.01.05"]
[Round "7"]
[White "Rossberg, Jonathan"]
[Black "Krumschmidt, Michael"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1834"]
[BlackElo "1724"]
[PlyCount "83"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 h5 9. Be2 Be7 10. Qd2 Nbd7 11. 0-0-0 Rc8 12. Kb1 b5 13. Rdg1 Nb6 14. h3 b4 15. Nd1 Qc7 16. Bxa6 Nc4 17. Bb5+ Nd7 18. Bxc4 Bxc4 19. Qxb4 d5 20. Qa5 Qc6 21. exd5 Bxd5 22. Nc3 Bxb3 23. cxb3 0-0 24. Qd5 Qc7 25. Rc1 Nb6 26. Bxb6 Qxb6 27. Qxe5 Bf6 28. Nd5 Qa6 29. Nxf6+ gxf6 30. Qg3+ Kh8 31. Qh4 Ra8 32. Qxh5+ Kg8 33. Qg4+ Kh8 34. a3 Qd3+ 35. Ka1 Rfb8 36. Qc4 Qf5 37. Rhd1 Qe5 38. Rd4 Rc8 39. Rh4+ Kg8 40. Qg4+ Qg5 41. Rxc8+ Rxc8 42. Qxc8+ 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden an der Aller"]
[Date "2020.01.04"]
[Round "6"]
[White "Gruender, Michael"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "1902"]
[BlackElo "1834"]
[PlyCount "87"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. 0-0 d5 6. Ne5 Nbd7 7. Qa4 Bd6 8. d4 0-0 9. Nxd7 Nxd7 10. Nc3 c6 11. e4 dxc4 12. Qxc4 Qc8 13. Rd1 e5 14. Bh3 Ba6 15. Qb3 Rd8 16. Bg5 Qc7 17. Bxd8 Rxd8 18. Rac1 h5 19. Rd2 h4 20. Qd1 hxg3 21. hxg3 exd4 22. Nd5 Qb8 23. Rxc6 Bxg3 24. Rxd4 Bd6 25. Bxd7 Bc5 26. Rxc5 bxc5 27. Rd2 Rxd7 28. Nf6+ gxf6 29. Qg4+ Kf8 30. Qxd7 Qf4 31. Qd6+ Qxd6 32. Rxd6 Bc4 33. b3 Ke7 34. Rc6 Bd3 35. Rxc5 Bxe4 36. Ra5 Kd6 37. Rxa7 Bd5 38. Kf1 Kc6 39. Ke1 Kb5 40. Kd2 Kb4 41. Kc2 Be4+ 42. Kb2 Bd5 43. a3+ Kb5 44. Kc3 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden an der Aller"]
[Date "2020.01.04"]
[Round "5"]
[White "Rossberg, Jonathan"]
[Black "Hupe, Henning"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1834"]
[BlackElo "1992"]
[PlyCount "94"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Ne2 e6 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Bd3 Bxd3 9. cxd3 c5 10. dxc5 Bxc5 11. d4 Bb4+ 12. Bd2 Bxd2+ 13. Nxd2 Ne7 14. 0-0 Nbc6 15. Nb3 0-0 16. f4 b6 17. Qg4 Qd7 18. f5 exf5 19. Nxf5 Nxf5 20. Qxf5 Qxf5 21. Rxf5 Rac8 22. a3 a5 23. Rd1 a4 24. Na1 Nd8 25. Rf2 Ne6 26. Nc2 Rfd8 27. Ne3 b5 28. Nf5 Rd7 29. Nd6 Rb8 30. b3 axb3 31. Rb2 Ra7 32. Rxb3 Ra5 33. Nf5 Ra4 34. Ne7+ Kf8 35. Nxd5 Rxd4 36. Rxd4 Nxd4 37. Re3 Ra8 38. Nb6 Ra6 39. Nc8 Ra4 40. Nd6 Kg8 41. Kf2 b4 42. axb4 Rxb4 43. Ra3 Rb8 44. Ra7 Rf8 45. Ra4 f6 46. exf6 Rxf6+ 47. Ke3 Nc2+ 1/2-1/2

[Event "Niedersachsen-ch op-A"]
[Site "Verden an der Aller"]
[Date "2020.01.03"]
[Round "4"]
[White "Kueck, Artur"]
[Black "Rossberg, Jonathan"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1927"]
[BlackElo "1834"]
[PlyCount "37"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nd2 cxd4 5. exd4 Nc6 6. c3 Qb6 7. Qb3 Qxb3 8. axb3 e6 9. h3 Be7 10. Ngf3 0-0 11. Bd3 b6 12. 0-0 Na5 13. b4 Nb7 14. Ba6 Nd6 15. Ne5 Bxa6 16. Rxa6 Rfc8 17. Rfa1 Nb5 18. Be3 Bd6 19. Nd3 1/2-1/2

[Event "Niedersachsen-ch op-A"]
[Site "Verden an der Aller"]
[Date "2020.01.03"]
[Round "3"]
[White "Rossberg, Jonathan"]
[Black "Rudolph, Max"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1834"]
[BlackElo "1798"]
[PlyCount "69"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Nf3 0-0 6. h3 Nbd7 7. Qd2 c5 8. d5 Qa5 9. Bd3 a6 10. 0-0 b5 11. a3 Qc7 12. Bh6 Rb8 13. Bxg7 Kxg7 14. Nh4 b4 15. axb4 Rxb4 16. f4 Bb7 17. b3 Ra8 18. Rfe1 a5 19. Nf3 Ba6 20. Bxa6 Rxa6 21. e5 Nh5 22. e6 Ndf6 23. exf7 Rxf4 24. Ng5 Rd4 25. Qxd4 cxd4 26. Ne6+ Kxf7 27. Nxc7 Ra7 28. N3b5 Rb7 29. Rxa5 Nf4 30. Ra7 Rxa7 31. Nxa7 N4xd5 32. Nxd5 Nxd5 33. Nb5 e5 34. Nxd6+ Ke6 35. Nc4 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden an der Aller"]
[Date "2020.01.02"]
[Round "1"]
[White "Rossberg, Jonathan"]
[Black "Gottschalk, Siegfried"]
[Result "0-1"]
[ECO "C12"]
[WhiteElo "1834"]
[BlackElo "2003"]
[PlyCount "78"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Be3 Ne4 7. Nge2 c5 8. a3 Nxc3 9. Nxc3 Bxc3+ 10. bxc3 Qa5 11. Qd2 Nc6 12. Be2 Bd7 13. f4 cxd4 14. cxd4 Qxd2+ 15. Kxd2 Rc8 16. Rab1 Na5 17. Rb4 Rc7 18. Rhb1 Ke7 19. c4 dxc4 20. Kc3 b5 21. Bd1 Nb7 22. R4b2 a5 23. Bf3 a4 24. d5 exd5 25. Bxd5 Nc5 26. Bxc5+ Rxc5 27. Rd1 Bf5 28. Rbd2 Rc7 29. Bf3 Bd3 30. Be2 Bxe2 31. Rxe2 Rd8 32. Rxd8 Kxd8 33. Rb2 Rb7 34. Kd4 Kd7 35. Kc5 Rc7+ 36. Kd4 Kc6 37. f5 Rd7+ 38. Kc3 Rd3+ 39. Kc2 Re3 0-1

[Event "Niedersachsen-ch op-A"]
[Site "Verden an der Aller"]
[Date "2020.01.02"]
[Round "2"]
[White "Schoengart, Ralf"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "D84"]
[WhiteElo "2095"]
[BlackElo "1834"]
[PlyCount "45"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Bxc7 Na6 9. Bxa6 Qxg2 10. Qf3 Qxf3 11. Nxf3 bxa6 12. Rc1 Bb7 13. Ke2 f5 14. Rhg1 Rac8 15. Rc3 e6 16. Rgc1 f4 17. Ng5 f3+ 18. Kd3 Rce8 19. Bd6 Rf5 20. Rc7 Ba8 21. Rc8 Rff8 22. Bxf8 Rxf8 23. Nxe6 1-0

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2019.01.06"]
[Round "7"]
[White "Brunner, Sophia"]
[Black "Rossberg, Jonathan"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1776"]
[BlackElo "1756"]
[PlyCount "38"]
[EventDate "2019.01.03"]
[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 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. 0-0 c6 6. b3 Bf5 7. Bb2 Qd7 8. c4 Bh3 9. Nc3 Bxg2 10. Kxg2 h5 11. Ne5 Qe6 12. h4 Nbd7 13. cxd5 Nxd5 14. Nxd5 cxd5 15. Nf3 0-0 16. Rc1 Rac8 17. Qd3 Qd6 18. Rxc8 Rxc8 19. Rc1 Rxc1 1/2-1/2

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2019.01.05"]
[Round "5"]
[White "Hesse, Juergen"]
[Black "Rossberg, Jonathan"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1888"]
[BlackElo "1756"]
[PlyCount "80"]
[EventDate "2019.01.03"]
[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 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. Bd3 d6 7. Nxd4 cxd4 8. Ne2 Nf6 9. c3 dxc3 10. bxc3 0-0 11. 0-0 Qb6+ 12. Kh1 Ng4 13. Qe1 f5 14. h3 Nh6 15. Bc4+ Kh8 16. d3 fxe4 17. dxe4 Bd7 18. Qh4 Ng8 19. Qg3 Rac8 20. Bb3 Bb5 21. Qe1 Bxe2 22. Qxe2 Bxc3 23. Rb1 Nf6 24. f5 Nh5 25. Rf3 Be5 26. Be3 Qa5 27. Qf2 Qb4 28. Bh6 Bg7 29. Bxg7+ Kxg7 30. fxg6 Qxe4 31. Re1 Rxf3 32. gxf3 Qxg6 33. Rxe7+ Kh8 34. Kh2 d5 35. Qd4+ Nf6 36. Rxb7 Rg8 37. Qf2 Qe8 38. f4 Qh5 39. Qb2 Qg6 40. Qf2 Qh5 1/2-1/2

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2019.01.05"]
[Round "6"]
[White "Rossberg, Jonathan"]
[Black "Bagh, Khaled"]
[Result "0-1"]
[ECO "C17"]
[WhiteElo "1756"]
[BlackElo "1947"]
[PlyCount "68"]
[EventDate "2019.01.03"]
[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. Nc3 Bb4 4. e5 c5 5. Qg4 Ne7 6. dxc5 Nbc6 7. Qxg7 Rg8 8. Qxh7 d4 9. a3 Qa5 10. Rb1 dxc3 11. Be3 cxb2+ 12. axb4 Nxb4 13. c3 Nbd5 14. Bd2 Qxc5 15. Qd3 Bd7 16. Rxb2 Bc6 17. c4 Nb6 18. Qd6 Qxd6 19. exd6 Nf5 20. c5 Na4 21. Rc2 Nh4 22. f3 Nxg2+ 23. Kf2 Nh4 24. Rc4 Ng6 25. Be2 Kd7 26. Bb4 b5 27. cxb6 Nxb6 28. Rc2 Nd5 29. Bc5 Ngf4 30. h4 Rg2+ 31. Kf1 Rb8 32. Bd1 Rb1 33. Rxg2 Rxd1+ 34. Kf2 Rd2+ 0-1

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2019.01.04"]
[Round "3"]
[White "Mildner, Ramon"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1954"]
[BlackElo "1756"]
[PlyCount "53"]
[EventDate "2019.01.03"]
[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 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Bd3 g6 6. Nxd4 cxd4 7. Ne2 Bg7 8. f4 d6 9. 0-0 b5 10. c3 dxc3 11. dxc3 Qb6+ 12. Kh1 Bb7 13. Qe1 Nf6 14. Nd4 e5 15. fxe5 dxe5 16. Nf3 Qd6 17. Bc2 0-0 18. Bg5 Nd7 19. Rd1 Qc6 20. Bb3 Kh8 21. Be7 Rfe8 22. Ng5 Rxe7 23. Qh4 Nf8 24. Rxf7 Bf6 25. Rxe7 Bxe7 26. Nf7+ Kg7 27. Qh6+ 1-0

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2019.01.04"]
[Round "4"]
[White "Rossberg, Jonathan"]
[Black "Evering, Soeren"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1756"]
[BlackElo "1921"]
[PlyCount "95"]
[EventDate "2019.01.03"]
[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 e5 2. Bc4 Nc6 3. Nf3 Nf6 4. d4 exd4 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qh5 9. Nxe4 Be6 10. Bg5 h6 11. Bf6 Qg6 12. Nh4 Qg4 13. Qxg4 Bxg4 14. Nd6+ Kd7 15. Nxf7 Rg8 16. Bxd4 g5 17. Nf3 Bxf3 18. gxf3 Nxd4 19. Rad1 Bg7 20. Ne5+ Bxe5 21. Rxe5 Kd6 22. Re4 c5 23. c3 Rgf8 24. Kg2 Rad8 25. cxd4 Kc7 26. Rc1 Rf5 27. b4 b6 28. bxc5 bxc5 29. Rxc5+ Rxc5 30. dxc5 Rd5 31. Rc4 a5 32. Kg3 Kc6 33. f4 gxf4+ 34. Kxf4 Rh5 35. Kg3 Rg5+ 36. Kh3 Kb5 37. Rc2 Rh5+ 38. Kg4 Rg5+ 39. Kf4 Kc6 40. h4 Rd5 41. Kg4 Rd4+ 42. f4 a4 43. Kf5 Rb4 44. Ke5 a3 45. Rc3 h5 46. Rxa3 Kxc5 47. Rc3+ Kb6 48. Rb3 1-0

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2019.01.03"]
[Round "1"]
[White "Loecken, Siegfried"]
[Black "Rossberg, Jonathan"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2021"]
[BlackElo "1756"]
[PlyCount "63"]
[EventDate "2019.01.03"]
[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 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 e6 5. f4 d6 6. Nf3 Be7 7. 0-0 0-0 8. d3 Nd4 9. Ne2 Qb6 10. c3 Nxf3+ 11. Bxf3 d5 12. e5 Ne8 13. c4 Nc7 14. Nc3 dxc4 15. dxc4 Rd8 16. Qe2 Bd7 17. Qg2 Rab8 18. Be3 Na6 19. Ne4 Bc6 20. Rfd1 Qc7 21. a3 b6 22. h4 Rxd1+ 23. Rxd1 Rd8 24. Nd6 Bxf3 25. Qxf3 Bxd6 26. exd6 Rxd6 27. Rxd6 Qxd6 28. Qb7 Nb8 29. Qxa7 h5 30. Qa8 Kh7 31. Qf3 g6 32. f5 1/2-1/2

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2019.01.03"]
[Round "2"]
[White "Rossberg, Jonathan"]
[Black "Schmidt, Dennis"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1756"]
[BlackElo "2018"]
[PlyCount "60"]
[EventDate "2019.01.03"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 Nc6 7. f3 Be7 8. Qd2 a6 9. 0-0-0 Qc7 10. g4 Nxd4 11. Bxd4 e5 12. Be3 Be6 13. h4 Rc8 14. Kb1 b5 15. h5 h6 16. Nd5 Bxd5 17. exd5 Nh7 18. Bd3 Ng5 19. Qf2 Bf6 20. Bf5 Rb8 21. Rd3 b4 22. Rc1 0-0 23. c4 Nh3 24. Qh2 Nf4 25. Rd2 Rfd8 26. Rdc2 b3 27. axb3 Rxb3 28. Rc3 Rdb8 29. R1c2 Rxc3 30. Rxc3 Nxd5 0-1

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2018.01.07"]
[Round "7"]
[White "Weigand, Anton"]
[Black "Rossberg, Jonathan"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1733"]
[BlackElo "1798"]
[PlyCount "94"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd3 d5 8. Bg5 d4 9. a3 dxc3 10. axb4 cxb2 11. Rb1 Nxb4 12. Rxb2 Nxd3+ 13. cxd3 0-0 14. 0-0 Qd6 15. Re1 Nd7 16. d4 exd4 17. Nxd4 Nc5 18. Rd2 Qb6 19. Nf5 Bxf5 20. exf5 Rfe8 21. Be3 Qc7 22. Bxc5 Qxc5 23. Rxe8+ Rxe8 24. Rd8 Qe7 25. Rxe8+ Qxe8 26. h3 h6 27. Qd4 a6 28. f6 gxf6 29. Qxf6 Qe6 30. Qd8+ Kh7 31. Qd3+ Qg6 32. Qd5 b5 33. Kh2 Qf6 34. Qe4+ Kg7 35. Qg4+ Kf8 36. Qc8+ Ke7 37. Qc7+ Ke6 38. Qc6+ Kf5 39. Qc2+ Ke6 40. Qc6+ Ke7 41. Qc7+ Kf8 42. Qc8+ Kg7 43. Qg4+ Qg5 44. Qd4+ Kg8 45. f4 Qe7 46. f5 Qc7+ 47. Kh1 Qc1+ 1/2-1/2

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2018.01.06"]
[Round "6"]
[White "Rossberg, Jonathan"]
[Black "Poelig, Juergen"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "1798"]
[BlackElo "1818"]
[PlyCount "70"]
[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. Nc3 Bb4 4. e5 Ne7 5. Qg4 Nf5 6. Nf3 c5 7. a3 Bxc3+ 8. bxc3 Nc6 9. Bd3 h5 10. Qh3 Nce7 11. g4 Nh6 12. Qxh5 c4 13. Be2 Ng6 14. Qh3 Bd7 15. 0-0 Ba4 16. Ra2 Qa5 17. Bd2 0-0-0 18. Rb1 f6 19. Qg3 Rh7 20. Bf1 Rdh8 21. h3 Nf7 22. Rab2 Bc6 23. Ra2 fxe5 24. dxe5 Qc7 25. Re1 b6 26. Nd4 Bd7 27. f4 Nh4 28. Kh2 Qd8 29. f5 Re8 30. a4 Ng5 31. Qf4 Ne4 32. Rxe4 dxe4 33. Qxe4 Kb8 34. fxe6 Rxe6 35. Qxh7 Rh6 1-0

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2018.01.06"]
[Round "5"]
[White "Sinnhoefer, Jonas"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1888"]
[BlackElo "1798"]
[PlyCount "61"]
[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 c5 2. c4 Nc6 3. Nf3 e6 4. Nc3 Nf6 5. Be2 d5 6. cxd5 exd5 7. exd5 Nxd5 8. 0-0 Be6 9. b3 Be7 10. Bb2 0-0 11. Re1 a6 12. Ne4 Bf5 13. Bf1 Nf6 14. d3 Re8 15. Nxf6+ Bxf6 16. Rxe8+ Qxe8 17. Bxf6 gxf6 18. Qc2 b6 19. Qe2 Qd7 20. Qb2 Kg7 21. h3 Qd5 22. Re1 Rd8 23. Re3 Nb4 24. Ne1 Qc6 25. Rg3+ Kh8 26. Rf3 Qe6 27. g4 Rg8 28. Ng2 Bxg4 29. Rxf6 Nxd3 30. Bxd3 Qe1+ 31. Nxe1 1-0

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2018.01.05"]
[Round "4"]
[White "Lebiedz, Oliver"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1895"]
[BlackElo "1798"]
[PlyCount "59"]
[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 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. Bc4 d6 7. 0-0 Nf6 8. d3 0-0 9. h3 a6 10. a4 Rb8 11. Nxd4 cxd4 12. Ne2 Nd7 13. b4 Qb6 14. Qe1 Qc7 15. Kh1 b6 16. Qg3 Bb7 17. Bb3 a5 18. f5 Ne5 19. Bd2 Kh8 20. Rac1 axb4 21. Bxb4 Bh6 22. fxg6 hxg6 23. Rce1 Be3 24. Ba3 Ra8 25. Bb2 Qc5 26. Qh4+ Kg7 27. Qxe7 Bc6 28. Nf4 Bxf4 29. Rxf4 Bxa4 30. Qf6+ 1-0

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2018.01.05"]
[Round "3"]
[White "Rossberg, Jonathan"]
[Black "Wallat, Jessica"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "1798"]
[BlackElo "1744"]
[PlyCount "85"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Be3 0-0 8. Bb3 Nc6 9. f3 Bd7 10. Qd2 Rb8 11. 0-0-0 Na5 12. h4 b5 13. Bh6 Nc4 14. Qg5 a6 15. h5 e6 16. hxg6 fxg6 17. Bxg7 Kxg7 18. e5 Nxe5 19. Bxe6 Ng8 20. Ne4 Qxg5+ 21. Nxg5 h6 22. Bxd7 hxg5 23. Ne6+ Kf6 24. Nxf8 Rxf8 25. Rxd6+ Ke7 26. Re6+ Kxd7 27. Rxe5 Rf5 28. Rxf5 gxf5 29. Rh5 Nf6 30. Rxg5 Ke6 31. Kd2 Ke5 32. g4 Ke6 33. Rxf5 Nd5 34. Rxd5 Kxd5 35. g5 Ke5 36. f4+ Ke6 37. g6 Kf6 38. f5 Kg7 39. Kd3 Kf6 40. Kd4 Kg7 41. Kc5 Kf6 42. Kb6 Kg7 43. Kxa6 1-0

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2018.01.04"]
[Round "2"]
[White "Meijerink, Juergen"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "1897"]
[BlackElo "1798"]
[PlyCount "47"]
[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 c5 2. Nc3 Nc6 3. g3 g6 4. d3 Bg7 5. Be3 d6 6. Bg2 Nf6 7. h3 0-0 8. Nf3 Nd7 9. Qd2 Nd4 10. Nh4 Rb8 11. 0-0 b5 12. f4 b4 13. Nd1 e6 14. c3 bxc3 15. bxc3 Nb5 16. f5 Ne5 17. Bh6 exf5 18. exf5 Nd7 19. Bxg7 Kxg7 20. Ne3 Nc7 21. Ng4 Ne8 22. Qh6+ Kg8 23. fxg6 hxg6 24. Nxg6 1-0

[Event "Niedersachsen-ch op A"]
[Site "Verden"]
[Date "2018.01.04"]
[Round "1"]
[White "Rossberg, Jonathan"]
[Black "Marzik, Hans"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1798"]
[BlackElo "2022"]
[PlyCount "50"]
[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 c6 2. d4 d5 3. e5 Bf5 4. Ne2 e6 5. Ng3 Bg6 6. h4 h5 7. Be2 c5 8. c3 Nc6 9. Be3 Qb6 10. b3 cxd4 11. Bxd4 Nxd4 12. cxd4 Ne7 13. Bd3 Bxd3 14. Qxd3 Nc6 15. Ne2 Be7 16. Nd2 Nb4 17. Qb1 Qa6 18. Rh3 Rc8 19. Nc3 Nc6 20. Ne2 Ba3 21. f4 g6 22. Kf2 Nb4 23. Nc3 Qb6 24. Rd3 Nxd3+ 25. Qxd3 Bb2 0-1

[Event "Hannover Bezirk-ch C"]
[Site "Lehrte"]
[Date "2017.10.31"]
[Round "7.5"]
[White "Stelmaszyk, Nico"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1859"]
[BlackElo "1836"]
[PlyCount "51"]
[EventDate "2017.10.28"]
[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 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 Nf6 5. d4 Bg4 6. Be2 e6 7. Be3 cxd4 8. cxd4 Nc6 9. Nc3 Qd6 10. 0-0 Be7 11. a3 0-0 12. Qd2 Nd5 13. Nxd5 Qxd5 14. Rac1 Na5 15. Rc3 Rac8 16. b4 Nc4 17. Rxc4 Rxc4 18. Bxc4 Qxc4 19. Ne5 Qe2 20. Qc3 Bf5 21. Qc7 Bf6 22. Nd7 Re8 23. Qxb7 Bd3 24. Rc1 Bh4 25. h3 Be4 26. Rc8 1-0

[Event "Hannover Bezirk-ch C"]
[Site "Lehrte"]
[Date "2017.10.30"]
[Round "5.3"]
[White "Hartogh, Christian"]
[Black "Rossberg, Jonathan"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1844"]
[BlackElo "1836"]
[PlyCount "148"]
[EventDate "2017.10.28"]
[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 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 Bg4 6. Be2 Nf6 7. 0-0 e6 8. Be3 cxd4 9. cxd4 Be7 10. Nc3 Qa5 11. a3 Nd5 12. Nxd5 Qxd5 13. h3 Bh5 14. Rc1 0-0 15. Ne5 Bxe2 16. Nxc6 Qxc6 17. Qxe2 Qd5 18. Rc4 Rac8 19. Rfc1 Qd7 20. Bf4 Rxc4 21. Qxc4 Bd6 22. Bxd6 Qxd6 23. Qc5 Qxc5 24. dxc5 Rc8 25. Rd1 Kf8 26. b4 Ke7 27. Kf1 e5 28. Ke2 b6 29. cxb6 axb6 30. Rd3 Rc2+ 31. Ke3 Ke6 32. g4 g6 33. Kf3 f5 34. Rd8 e4+ 35. Kg3 Rc3+ 36. Kg2 f4 37. a4 Rc4 38. a5 Rxb4 39. a6 Ra4 40. Ra8 Kf6 41. h4 h6 42. a7 Kg7 43. Kf1 Ra2 44. Ke1 b5 45. Rb8 Rxa7 46. Rxb5 Re7 47. Ke2 Kf6 48. Ra5 Re5 49. Ra6+ Re6 50. Ra5 g5 51. hxg5+ hxg5 52. Rf5+ Kg6 53. Ra5 e3 54. f3 Rd6 55. Ra2 Kf6 56. Ke1 Rd5 57. Ra8 Ke5 58. Re8+ Kd4 59. Rf8 Ke5 60. Re8+ Kf6 61. Rf8+ Kg7 62. Ra8 Rc5 63. Ra2 Kf6 64. Ra8 Ke5 65. Rd8 Rd5 66. Re8+ Kd4 67. Rf8 Rc5 68. Rd8+ Kc3 69. Rf8 Re5 70. Rc8+ Kd4 71. Rd8+ Kc5 72. Rc8+ Kd6 73. Rd8+ Kc7 74. Ra8 Kd6 1/2-1/2

[Event "Hannover Bezirk-ch C"]
[Site "Lehrte"]
[Date "2017.10.30"]
[Round "6.3"]
[White "Rossberg, Jonathan"]
[Black "Ehlert, Horst"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1836"]
[BlackElo "1991"]
[PlyCount "90"]
[EventDate "2017.10.28"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. 0-0 b5 8. Bg5 Be7 9. Re1 d6 10. a4 h6 11. Bh4 bxa4 12. Rxa4 Bb7 13. Qa1 0-0 14. Bg3 Nh5 15. e5 d5 16. Ndb5 axb5 17. Rxa8 Bxa8 18. Qxa8 Qb6 19. Nxb5 Nxg3 20. hxg3 Bc5 21. Ra1 Bxf2+ 22. Kh1 Qe3 23. Qa4 Qxg3 24. Rf1 d4 25. Rxf2 Qxf2 26. Nxd4 Qh4+ 27. Kg1 Qe1+ 28. Kh2 Qxe5+ 29. Kg1 Rd8 30. Nf3 Qc5+ 31. Kh1 Nd7 32. b4 Qh5+ 33. Kg1 Nf6 34. b5 Qc5+ 35. Kh1 Qh5+ 36. Kg1 Qd5 37. Bf1 Ra8 38. Qb4 Nd7 39. c4 Qc5+ 40. Qxc5 Nxc5 41. Kf2 Ra3 42. Nd4 g5 43. g4 Kg7 44. Bg2 Kf6 45. b6 Ra6 0-1

[Event "Hannover Bezirk-ch C"]
[Site "Lehrte"]
[Date "2017.10.29"]
[Round "3.5"]
[White "Rossberg, Jonathan"]
[Black "Daemmig, Matthias"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1836"]
[BlackElo "2119"]
[PlyCount "81"]
[EventDate "2017.10.28"]
[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 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Bb5 Qb6 6. Ba4 e6 7. Nf3 Bd7 8. 0-0 Rc8 9. a3 cxd4 10. cxd4 Nge7 11. Bc2 Nf5 12. Bxf5 exf5 13. Nc3 Be6 14. Na4 Qb5 15. b4 Be7 16. Bd2 0-0 17. Nc5 Nb8 18. Ng5 Bxg5 19. Bxg5 b6 20. Nb7 Rc7 21. Nd6 Qd7 22. f4 f6 23. Bh4 fxe5 24. dxe5 Nc6 25. Rf3 Nd8 26. Bxd8 Rxd8 27. Rc1 h6 28. Rfc3 Rxc3 29. Rxc3 Qe7 30. Rc6 Kh7 31. Qc2 g6 32. b5 Rd7 33. Rc8 Qh4 34. g3 Qg4 35. Kg2 d4 36. Rc7 g5 37. Ne8 Bd5+ 38. Kg1 Qf3 39. Qxf5+ Kh8 40. Qf8+ Bg8 41. Qf6+ 1-0

[Event "Hannover Bezirk-ch C"]
[Site "Lehrte"]
[Date "2017.10.29"]
[Round "4.3"]
[White "Rossberg, Jonathan"]
[Black "Hoffmann, Lukas"]
[Result "1/2-1/2"]
[ECO "E87"]
[WhiteElo "1836"]
[BlackElo "2297"]
[PlyCount "34"]
[EventDate "2017.10.28"]
[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 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. Be3 0-0 6. f3 Nbd7 7. Nge2 e5 8. d5 a5 9. Qd2 Nc5 10. g4 Bxg4 11. fxg4 Nfxe4 12. Nxe4 Nxe4 13. Qc2 Qh4+ 14. Ng3 Nxg3 15. Qf2 Qxg4 16. hxg3 h5 17. Be2 Qd7 1/2-1/2

[Event "Hannover Bezirk-ch C"]
[Site "Lehrte"]
[Date "2017.10.28"]
[Round "2.4"]
[White "Kleinschroth, Roland"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2099"]
[BlackElo "1836"]
[PlyCount "85"]
[EventDate "2017.10.28"]
[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 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 g6 5. Bc4 Bg7 6. d3 Nf6 7. 0-0 0-0 8. Qe1 a6 9. a4 Nd4 10. Nxd4 cxd4 11. Ne2 d5 12. exd5 Nxd5 13. Qg3 e6 14. Bd2 b6 15. Kh1 Bb7 16. Ng1 Rc8 17. Nf3 Qd6 18. Ne5 Nb4 19. Rfc1 Rc7 20. c3 Nc6 21. Nf3 dxc3 22. Bxc3 Nd4 23. Nxd4 Bxd4 24. Bxd4 Qxd4 25. f5 Rc6 26. fxe6 fxe6 27. Rf1 Qd6 28. Rxf8+ Qxf8 29. Qe5 Qd6 30. Qf6 Bc8 31. Rf1 Rc7 32. h3 Qe7 33. Qe5 Qg7 34. Bxe6+ Bxe6 35. Qxe6+ Rf7 36. d4 Qf8 37. Kg1 Kg7 38. Rxf7+ Qxf7 39. Qxf7+ Kxf7 40. Kf2 Ke6 41. Ke3 Kd5 42. Kd3 h6 43. g3 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.08"]
[Round "7"]
[White "Sinnhoefer, Jonas"]
[Black "Rossberg, Jonathan"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "1905"]
[BlackElo "1826"]
[PlyCount "75"]
[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 c5 2. c4 Nc6 3. Ne2 e6 4. Nbc3 Nf6 5. a3 d5 6. d3 dxe4 7. dxe4 Qxd1+ 8. Kxd1 g6 9. f3 Bg7 10. Be3 b6 11. Kc2 Ba6 12. Nb5 Bxb5 13. cxb5 Ne7 14. Rd1 0-0 15. Nc3 Rad8 16. Be2 h6 17. a4 Kh7 18. Rxd8 Rxd8 19. Rd1 Rxd1 20. Bxd1 Nd7 21. Be2 Bd4 22. Bd2 Nc8 23. Nd1 Be5 24. g3 Bd6 25. Ne3 Be7 26. Ng4 h5 27. Ne3 Bf8 28. Nc4 Nd6 29. a5 Nxb5 30. Nxb6 Nd4+ 31. Kb1 Nxb6 32. axb6 axb6 33. Bd1 Kg7 34. Be3 Kf6 35. Kc1 e5 36. Kd2 Ke6 37. Kd3 Kd6 38. Bxd4 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.07"]
[Round "6"]
[White "Evering, Soeren"]
[Black "Rossberg, Jonathan"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1794"]
[BlackElo "1826"]
[PlyCount "94"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 0-0 12. Be2 Bg5 13. 0-0 f5 14. Bf3 Ra7 15. Nc2 Ne7 16. Ncb4 Bb7 17. Nxe7+ Qxe7 18. Nd5 Qf7 19. exf5 Qxf5 20. Qe2 Re8 21. Be4 Qf7 22. Rad1 Be7 23. Qe3 Rea8 24. Nc7 Bg5 25. Qb6 Bxe4 26. Nxa8 Rxa8 27. Qxd6 Bf6 28. f3 Bg6 29. Qc6 Qa7+ 30. Kh1 Be8 31. Qe4 Bf7 32. b3 Rc8 33. Qd3 Qc7 34. Rc1 Bg5 35. Rce1 Qxc3 36. Qd6 Qc6 37. Qxe5 Bf6 38. Qf4 h6 39. Rc1 Qd7 40. Rxc8+ Qxc8 41. h3 Qc2 42. Qb8+ Kh7 43. Qb7 Qe2 44. Rg1 Qe6 45. f4 Bg6 46. Qf3 Be4 47. Qf2 Qxh3# 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.07"]
[Round "5"]
[White "Rossberg, Jonathan"]
[Black "Langer, Michael Sebastian"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1826"]
[BlackElo "1940"]
[PlyCount "87"]
[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 c6 2. d4 d5 3. e5 Bf5 4. Ne2 e6 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Bd3 Bxd3 9. cxd3 Qb6 10. Be3 Qxb2 11. Nd2 Bb4 12. 0-0 Bxd2 13. Rb1 Qa3 14. Qxd2 Qa6 15. f4 g6 16. Qe2 Ne7 17. hxg6 fxg6 18. Qg4 Qxd3 19. Rb3 Qa6 20. Qxe6 c5 21. Qxa6 bxa6 22. dxc5 Nbc6 23. Ne2 Kd7 24. Rb7+ Ke6 25. Nd4+ Nxd4 26. Bxd4 Nc6 27. Bc3 Rab8 28. Rfb1 Rxb7 29. Rxb7 Rb8 30. Rc7 Rb1+ 31. Kf2 Ne7 32. Rxa7 Rc1 33. Rxa6+ Kf5 34. Bd2 Rxc5 35. Kf3 Nc6 36. g4+ Ke6 37. a4 g5 38. fxg5 hxg5 39. Bxg5 Rc3+ 40. Kf2 Kxe5 41. Bd2 Rc2 42. Ke3 Rc4 43. g5 Ne7 44. a5 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.06"]
[Round "3"]
[White "Graf, Lucas"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "1843"]
[BlackElo "1826"]
[PlyCount "79"]
[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 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nd4 6. Bf1 d6 7. c3 Nxf3+ 8. Qxf3 Nf6 9. d3 0-0 10. Nd2 Rb8 11. a4 Nd7 12. Qd1 a6 13. a5 Ne5 14. f4 Nc6 15. Qa4 Bd7 16. Qa3 Be6 17. Be2 Na7 18. Nc4 Bxc4 19. dxc4 Nc6 20. Qa4 Qc7 21. Bf3 Rbc8 22. Be3 f6 23. g3 Rb8 24. b4 f5 25. Rac1 cxb4 26. cxb4 Nd4 27. Bg2 e5 28. Kh1 exf4 29. Bxf4 Be5 30. Qa2 Kg7 31. Be3 Rbe8 32. c5 fxe4 33. Bxe4 Nb5 34. cxd6 Qxd6 35. Bc5 Qf6 36. Bxf8+ Qxf8 37. Bxb7 Nc3 38. Qc4 Qf5 39. Rxc3 Rf8 40. Rxe5 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.06"]
[Round "4"]
[White "Rossberg, Jonathan"]
[Black "Guede, Klaus"]
[Result "1/2-1/2"]
[ECO "B05"]
[WhiteElo "1826"]
[BlackElo "1890"]
[PlyCount "67"]
[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 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. Nf3 Bg4 6. exd6 cxd6 7. Bd3 Nc6 8. Be3 g6 9. h3 Bxf3 10. Qxf3 Bg7 11. Nc3 0-0 12. Ne2 Nb4 13. Bd2 Nxd3+ 14. Qxd3 Nd7 15. 0-0 Rc8 16. Rac1 e5 17. Be3 Re8 18. Rfd1 Rc7 19. b3 b6 20. Nc3 exd4 21. Bxd4 Nc5 22. Qg3 Rd7 23. Bxg7 Kxg7 24. Nd5 Ne4 25. Qd3 Qg5 26. Qd4+ Qe5 27. Rc2 Nf6 28. Nc3 Qf5 29. Rcd2 Kg8 30. Qd3 Qc5 31. Qg3 Re6 32. Kh1 Qb4 33. Rd3 Qc5 34. Qf3 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.05"]
[Round "1"]
[White "Apitzsch, Leon Fabian"]
[Black "Rossberg, Jonathan"]
[Result "1/2-1/2"]
[ECO "D71"]
[WhiteElo "1914"]
[BlackElo "1826"]
[PlyCount "60"]
[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. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nb6 6. Bg2 Bg7 7. e3 0-0 8. f4 Na6 9. Nf3 c5 10. h3 cxd4 11. exd4 Nb4 12. a3 N4d5 13. 0-0 Qc7 14. Bd2 Rd8 15. Rc1 Qb8 16. Qe2 Be6 17. Rfe1 h6 18. Ne5 a6 19. Ne4 Nd7 20. Kh1 Nxe5 21. fxe5 b6 22. Rc2 Qb7 23. Rec1 Rac8 24. Nc3 Kh8 25. Kh2 Qd7 26. Qxa6 Nc7 27. Qd3 Bb3 28. Ne2 Bxc2 29. Rxc2 Nd5 30. Rxc8 Rxc8 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2017.01.05"]
[Round "2"]
[White "Rossberg, Jonathan"]
[Black "Bohnstorff, Michael"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "1826"]
[BlackElo "2010"]
[PlyCount "84"]
[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 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nc6 5. Be3 e5 6. d5 Nce7 7. Qd2 f5 8. f3 Nf6 9. g3 fxe4 10. fxe4 Ng4 11. 0-0-0 Ng8 12. Kb1 Nxe3 13. Qxe3 Bh6 14. Qf2 Nf6 15. h3 0-0 16. Qg2 a5 17. g4 Nd7 18. h4 Be3 19. Nf3 Nb6 20. g5 Qd7 21. Qe2 Bc5 22. Bh3 Qf7 23. Rdf1 Qf4 24. h5 Qg3 25. Bxc8 Raxc8 26. hxg6 hxg6 27. Rh6 Nxc4 28. Rxg6+ Kh7 29. Rh6+ Kg7 30. Qxc4 Rxf3 31. Rhh1 Rcf8 32. Rxf3 Qxf3 33. Rc1 Qg4 34. Na4 b6 35. Nxc5 bxc5 36. Qc2 Qf3 37. a3 Rf7 38. Re1 Qf2 39. Re2 Qg1+ 40. Ka2 Rf1 41. Rd2 Ra1+ 42. Kb3 Rc1 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.06"]
[Round "7"]
[White "Rossberg, Jonathan"]
[Black "Merettig, Georg"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1746"]
[BlackElo "1841"]
[PlyCount "60"]
[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 Nc6 2. c4 e5 3. d5 Nce7 4. e4 f5 5. Bd3 fxe4 6. Bxe4 Nf6 7. Bc2 d6 8. Bg5 Nf5 9. Nc3 Be7 10. Nge2 Nxd5 11. Bxe7 Ndxe7 12. h4 Nc6 13. Nd5 Nxh4 14. Rxh4 Qxh4 15. Nxc7+ Kd7 16. Nxa8 Rf8 17. Ng3 Qf4 18. Ne4 Nd4 19. Bd3 b6 20. Qa4+ Nc6 21. Qa3 Qh6 22. Be2 Bb7 23. Nxb6+ axb6 24. Rd1 Nd4 25. Qd3 Qh1+ 26. Kd2 Qxg2 27. Nxd6 Kxd6 28. Qa3+ Kc7 29. Qe7+ Kc6 30. Qxf8 Qg5+ 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.05"]
[Round "6"]
[White "Kassner, Ralph"]
[Black "Rossberg, Jonathan"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "1738"]
[BlackElo "1746"]
[PlyCount "77"]
[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. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d3 d5 5. c3 0-0 6. 0-0 c5 7. Nbd2 Nc6 8. e4 dxe4 9. Nxe4 Nxe4 10. dxe4 b6 11. Qa4 Qc7 12. Rd1 Bd7 13. Qc2 Rad8 14. Be3 Bc8 15. Rxd8 Rxd8 16. Rd1 Na5 17. Rxd8+ Qxd8 18. Qd2 Qxd2 19. Nxd2 Be6 20. a3 Nc4 21. Nxc4 Bxc4 22. f4 e5 23. Kf2 Kf8 24. Bh3 Ke7 25. Bc8 Kd6 26. Bb7 a5 27. fxe5+ Bxe5 28. Bf4 f6 29. Ke3 g5 30. Bxe5+ Kxe5 31. Bc8 Be6 32. Ba6 Bd7 33. Bc4 Bc6 34. Bd3 b5 35. b4 axb4 36. axb4 c4 37. Bc2 Bd7 38. Bd1 Bc6 39. Bf3 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.05"]
[Round "5"]
[White "Rossberg, Jonathan"]
[Black "Moenster, Madita"]
[Result "1/2-1/2"]
[ECO "E48"]
[WhiteElo "1746"]
[BlackElo "1726"]
[PlyCount "39"]
[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. e3 0-0 5. Bd3 c5 6. Nge2 Nc6 7. 0-0 d5 8. cxd5 exd5 9. dxc5 Bxc5 10. a3 Bb6 11. b4 Bc7 12. Bb2 Ng4 13. h3 Nf6 14. Nf4 d4 15. Nce2 dxe3 16. fxe3 Bb6 17. Rf3 Nd7 18. Rg3 Nce5 19. Bf5 Re8 20. Nh5 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.04"]
[Round "4"]
[White "Nordhorn, Horst"]
[Black "Rossberg, Jonathan"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1772"]
[BlackElo "1746"]
[PlyCount "90"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. 0-0 Bc5 8. Nf3 Nc6 9. Bd2 0-0 10. h3 b5 11. a3 Bb7 12. Qe2 d6 13. Rae1 Rfd8 14. e5 dxe5 15. Nxe5 Nxe5 16. Qxe5 Qxe5 17. Rxe5 Bd4 18. Re2 Rac8 19. Nd1 Nh5 20. Kh2 Rc5 21. f3 Be5+ 22. f4 Bb8 23. g4 Nf6 24. Be3 Rcc8 25. Nc3 e5 26. Bc1 e4 27. Nxe4 Nxe4 28. Bxe4 Bxe4 29. Rxe4 Rxc2+ 30. Kg3 g5 31. Kf3 gxf4 32. Bxf4 Bxf4 33. Kxf4 Rxb2 34. Rf3 Rd6 35. g5 Rbd2 36. h4 R2d4 37. Rfe3 Rxe4+ 38. Rxe4 h6 39. Kf5 hxg5 40. hxg5 Kg7 41. a4 Rd5+ 42. Kg4 Kg6 43. Kf4 Rf5+ 44. Kg4 Rxg5+ 45. Kf4 Rc5 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.04"]
[Round "3"]
[White "Rossberg, Jonathan"]
[Black "Braje, Monika"]
[Result "1-0"]
[ECO "D09"]
[WhiteElo "1746"]
[BlackElo "1820"]
[PlyCount "81"]
[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. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Be6 6. b3 Qd7 7. Bg2 0-0-0 8. 0-0 h6 9. Ba3 g5 10. Bxf8 Rxf8 11. Nbd2 g4 12. Nh4 Nxe5 13. Ne4 b6 14. Qc1 f5 15. Qa3 Ne7 16. Qxa7 Kd8 17. Qa8+ Nc8 18. Nd2 Ke7 19. Qa3+ Kf7 20. f3 Kg7 21. Qb2 Ne7 22. e3 c5 23. exd4 Nd3 24. Qc3 Qxd4+ 25. Qxd4+ cxd4 26. fxg4 fxg4 27. Ne4 Nb4 28. Rad1 Rd8 29. Rd2 Rd7 30. Rf6 Bf7 31. Rxb6 Nbc6 32. Nc5 Rc7 33. Nf5+ Nxf5 34. Rxc6 Re7 35. Be4 Be8 36. Re6 Rf7 37. Rf2 Rhf8 38. Rxf5 Rxf5 39. Bxf5 Rxf5 40. Rxe8 Rxc5 41. Rd8 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.03"]
[Round "1"]
[White "Henkel, Volker"]
[Black "Rossberg, Jonathan"]
[Result "1/2-1/2"]
[ECO "D97"]
[WhiteElo "1898"]
[BlackElo "1746"]
[PlyCount "93"]
[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. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 a6 8. Bf4 b5 9. Qxc7 Qxc7 10. Bxc7 Bb7 11. Be2 Nxe4 12. 0-0 Rc8 13. Ba5 Nc6 14. Bb6 Nb4 15. a3 Nxc3 16. bxc3 Nd5 17. Bc5 Nxc3 18. Bd3 Nd5 19. Rab1 Nf4 20. Rbd1 Bxf3 21. gxf3 Nxd3 22. Rxd3 e5 23. Rfd1 exd4 24. Bxd4 Bxd4 25. Rxd4 Rc3 26. a4 Rc4 27. Rxc4 bxc4 28. Rc1 Rc8 29. Kf1 Kg7 30. Ke2 Kf6 31. Ke3 Ke5 32. f4+ Kd5 33. Rd1+ Kc5 34. Rd7 Kb4 35. Kd2 Kxa4 36. Kc3 Kb5 37. Rxf7 h5 38. f5 gxf5 39. Rxf5+ Rc5 40. Rf8 a5 41. f4 a4 42. f5 Kc6 43. f6 Kd7 44. Ra8 Rf5 45. Rxa4 Rf3+ 46. Kd4 c3 47. Rc4 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.03"]
[Round "2"]
[White "Rossberg, Jonathan"]
[Black "Sinnhoefer, Jonas"]
[Result "1-0"]
[ECO "D16"]
[WhiteElo "1746"]
[BlackElo "1741"]
[PlyCount "120"]
[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. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bd7 6. e3 b5 7. axb5 cxb5 8. Ne5 e6 9. Qf3 b4 10. Qxa8 bxc3 11. bxc3 Nd5 12. Nxd7 Nxd7 13. Qxd8+ Kxd8 14. Rxa7 N7b6 15. Ba3 Nxc3 16. Bxc4 Nxc4 17. Ra8+ Kc7 18. Rxf8 Rxf8 19. Bxf8 g6 20. Bb4 Nd5 21. Ke2 Kd7 22. Bc5 f5 23. g3 Nd6 24. Bxd6 Kxd6 25. Ra1 Kd7 26. Ra7+ Nc7 27. Kd3 Kc6 28. f3 Kb6 29. Ra1 Kc6 30. e4 Kd6 31. Rb1 Kd7 32. g4 fxg4 33. fxg4 Kc8 34. h4 h6 35. Rf1 Ne8 36. d5 Kd7 37. Kd4 Ke7 38. Ra1 exd5 39. Ra7+ Kd6 40. exd5 Nf6 41. Ra6+ Ke7 42. Rxf6 Kxf6 43. Kc5 Ke7 44. Kc6 Kd8 45. Kd6 g5 46. h5 Ke8 47. Kc7 Ke7 48. d6+ Ke6 49. d7 Ke5 50. d8Q Kf4 51. Qd4+ Kg3 52. Qd6+ Kxg4 53. Qxh6 Kh4 54. Qg6 g4 55. h6 g3 56. h7 Kh3 57. Qxg3+ Kxg3 58. h8Q Kf4 59. Qf6+ Kg4 60. Kd6 Kh5 1-0

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2015.11.01"]
[Round "7"]
[White "Nowak, Frank"]
[Black "Rossberg, Jonathan"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1735"]
[BlackElo "1660"]
[PlyCount "67"]
[EventDate "2015.10.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. Nf3 0-0 5. e3 Re8 6. Be2 Nc6 7. Bb2 d5 8. 0-0 Bf5 9. c3 Bd6 10. d4 Rc8 11. Nbd2 Ne4 12. a4 Na5 13. Ba3 Nxc3 14. Qe1 Nxe2+ 15. Qxe2 c5 16. dxc5 Bxc5 17. Bxc5 Rxc5 18. Rfc1 Qb6 19. Rxc5 Qxc5 20. Qb5 Rc8 21. Qxc5 Rxc5 22. Nd4 Bd7 23. f3 Rc3 24. Kf2 Nc4 25. Nxc4 Rxc4 26. a5 g6 27. Rb1 Rc7 28. Ke2 a6 29. g4 Bc8 30. Kd3 Rc5 31. Ra1 Kf8 32. h3 Ke7 33. f4 h6 34. Ra3 1/2-1/2

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2015.10.31"]
[Round "5"]
[White "Altmann, Robert"]
[Black "Rossberg, Jonathan"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "1833"]
[BlackElo "1660"]
[PlyCount "99"]
[EventDate "2015.10.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 b5 6. Bf3 Bb7 7. e5 Qc7 8. Bxb7 Qxb7 9. Qf3 Qxf3 10. Nxf3 Nc6 11. c3 d6 12. exd6 Bxd6 13. 0-0 Rd8 14. Be3 Nf6 15. Bg5 Ke7 16. Nbd2 h6 17. Bxf6+ Kxf6 18. Ne4+ Ke7 19. Rad1 Bc7 20. Nc5 Bb6 21. Ne4 Rxd1 22. Rxd1 Rd8 23. Rxd8 Bxd8 24. Kf1 Bb6 25. Ke2 f5 26. Ned2 e5 27. Ne1 Ke6 28. Nc2 g5 29. f3 h5 30. h3 a5 31. a3 g4 32. hxg4 hxg4 33. fxg4 fxg4 34. Ne3 Bxe3 35. Kxe3 Kf5 36. Ne4 b4 37. Nc5 Ne7 38. c4 Nc6 39. Nb7 bxa3 40. bxa3 Nd4 41. Nd6+ Ke6 42. Nb5 Nf5+ 43. Kf2 Nd6 44. Kg3 Nxc4 45. Kxg4 Kd5 46. Kf3 e4+ 47. Ke2 Ke5 48. g3 Kf5 49. a4 Kg4 50. Nc3 1/2-1/2

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2015.10.31"]
[Round "6"]
[White "Rossberg, Jonathan"]
[Black "Seidenstuecker, Hans Lennart"]
[Result "1/2-1/2"]
[ECO "E47"]
[WhiteElo "1660"]
[BlackElo "1777"]
[PlyCount "147"]
[EventDate "2015.10.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 c5 6. Nge2 Nc6 7. 0-0 b6 8. Qc2 Bb7 9. f3 Rc8 10. Ne4 Nxe4 11. fxe4 Ne7 12. a3 Ba5 13. Rb1 b5 14. dxc5 bxc4 15. Bxc4 Ng6 16. b4 Bc7 17. Bb2 Qh4 18. g3 Qxe4 19. Qxe4 Bxe4 20. Rbd1 d5 21. Bd3 Bxd3 22. Rxd3 Be5 23. Rb3 Bxb2 24. Rxb2 Ne5 25. Rd1 Nc4 26. Rb3 a5 27. e4 dxe4 28. Rd4 Nxa3 29. Rxa3 axb4 30. Rxb4 Rxc5 31. Rxe4 Rb8 32. Rc3 Rf5 33. Rb4 Ra8 34. Rcb3 Ra1+ 35. Rb1 Rxb1+ 36. Rxb1 g5 37. Kg2 g4 38. Rb4 h5 39. Rf4 Rc5 40. Rf2 Kg7 41. Nf4 Rf5 42. Rc2 h4 43. Rc7 e5 44. Ne6+ Kf6 45. Nd8 h3+ 46. Kg1 Kg6 47. Nc6 Kg7 48. Nb4 Rf3 49. Rc4 Rb3 50. Rxg4+ Kf6 51. Rh4 Rb1+ 52. Kf2 Rb2+ 53. Kf3 Rb3+ 54. Ke2 Rb2+ 55. Kd3 Rxh2 56. Nd5+ Ke6 57. Ne3 Rh1 58. Rh6+ Ke7 59. Ke4 h2 60. Kf3 f6 61. g4 Kf7 62. Kg2 Re1 63. Nf1 Re2+ 64. Kg3 Ra2 65. Nxh2 Ra3+ 66. Kg2 Kg7 67. Rh5 Kg6 68. Rf5 Ra4 69. Kf3 Ra3+ 70. Kf2 Ra2+ 71. Kg3 Ra3+ 72. Kh4 e4 73. Rf4 e3 74. Re4 1/2-1/2

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2015.10.30"]
[Round "4"]
[White "Rossberg, Jonathan"]
[Black "Hanemann, Henno"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "1660"]
[BlackElo "1658"]
[PlyCount "99"]
[EventDate "2015.10.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 f5 4. g3 Nf6 5. Bg2 c6 6. Nf3 Bd6 7. 0-0 dxc4 8. a4 0-0 9. Qc2 Na6 10. e4 fxe4 11. Nxe4 Nxe4 12. Qxe4 Nb4 13. Ng5 Rf5 14. Bh3 Rxg5 15. Bxe6+ Kh8 16. Bxg5 Qxg5 17. Bxc8 Rxc8 18. Qe6 Rd8 19. Qxc4 Nd5 20. Rae1 h6 21. Re4 Rf8 22. Qb3 Qf5 23. f3 Rf7 24. Rf2 Qg6 25. Qc2 Rf8 26. Kg2 Bf4 27. Qc5 Ra8 28. Rfe2 Bd6 29. Qc1 Rf8 30. Re6 Qd3 31. Qf1 Qxd4 32. Rxd6 Nf4+ 33. gxf4 Qxd6 34. Re4 Rxf4 35. Rxf4 Qxf4 36. Qd1 Qg5+ 37. Kf2 Qc5+ 38. Kg2 Qe7 39. Qb3 Kh7 40. Qd3+ Kg8 41. b3 Qf6 42. Qc4+ Qf7 43. Qd3 Qd5 44. Qc3 b5 45. axb5 Qxb5 46. b4 Kf7 47. Qd4 a6 48. Qd7+ Kg6 49. Qe6+ Kh7 50. Qe4+ 1/2-1/2

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2015.10.30"]
[Round "3"]
[White "Rossberg, Jonathan"]
[Black "Waldmann, Christoph"]
[Result "1/2-1/2"]
[ECO "A67"]
[WhiteElo "1660"]
[BlackElo "1844"]
[PlyCount "52"]
[EventDate "2015.10.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. a4 0-0 10. Nf3 Na6 11. 0-0 Nb4 12. Na2 Nxa2 13. Rxa2 a6 14. Bd3 Re8 15. Re1 Nf6 16. b3 Bg4 17. Bd2 Bxf3 18. Qxf3 Rb8 19. a5 Qd7 20. Bc4 Qg4 21. Qxg4 Nxg4 22. e5 Nh6 23. e6 Kf8 24. b4 Bd4+ 25. Be3 Bc3 26. Bd2 Bd4+ 1/2-1/2

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2015.10.29"]
[Round "1"]
[White "Muth, Michael"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "D97"]
[WhiteElo "1832"]
[BlackElo "1660"]
[PlyCount "95"]
[EventDate "2015.10.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 dxc4 5. Qxc4 a6 6. e4 Bg7 7. Nf3 b5 8. Qb3 0-0 9. Be2 Bb7 10. e5 Nd5 11. 0-0 Nb6 12. Rd1 Nc6 13. Ne4 Na5 14. Qc2 Bxe4 15. Qxe4 Qd5 16. Qxd5 Nxd5 17. Bd2 Nb7 18. Rac1 Rac8 19. Rc6 Ra8 20. Ng5 Nd8 21. Rc5 c6 22. Bf3 e6 23. Ne4 h6 24. Nd6 f6 25. Bxd5 exd5 26. exf6 Rxf6 27. Ne8 Re6 28. Nc7 Bxd4 29. Nxe6 Bxc5 30. Nxc5 Nf7 31. Re1 Rd8 32. Re6 Rd6 33. Rxd6 Nxd6 34. Bxh6 a5 35. b3 Kf7 36. Bd2 b4 37. Kf1 Kf6 38. Ke2 Nb5 39. Kd3 Ke5 40. Nb7 Nc7 41. Nxa5 c5 42. Nc6+ Kd6 43. Nxb4 cxb4 44. Bf4+ Kc6 45. Bxc7 Kxc7 46. h4 Kd6 47. Kd4 Ke6 48. g4 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.05"]
[Round "7"]
[White "Krueger, Thomas"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1803"]
[BlackElo "1715"]
[PlyCount "49"]
[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 g6 3. Nc3 d5 4. Bf4 c6 5. e3 Bg7 6. Be2 0-0 7. Qd2 Nbd7 8. Ne5 Nxe5 9. Bxe5 Nd7 10. Bxg7 Kxg7 11. e4 dxe4 12. Nxe4 Qc7 13. 0-0-0 e5 14. h4 exd4 15. h5 Nf6 16. h6+ Kh8 17. Qxd4 Qf4+ 18. Rd2 Be6 19. g3 Rfd8 20. gxf4 Rxd4 21. Rxd4 Nxe4 22. Rxe4 Bd5 23. f3 Bxe4 24. fxe4 Re8 25. Rd1 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.04"]
[Round "5"]
[White "Modder, Frank"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1923"]
[BlackElo "1715"]
[PlyCount "15"]
[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 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 Nf6 5. Na3 Bg4 6. Be2 e6 7. Qa4+ Qc6 8. Bb5 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.04"]
[Round "6"]
[White "Rossberg, Jonathan"]
[Black "Eickhoff, Hermann"]
[Result "1/2-1/2"]
[ECO "D61"]
[WhiteElo "1715"]
[BlackElo "1962"]
[PlyCount "58"]
[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. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. Nf3 h6 6. Bh4 c6 7. e3 0-0 8. Qc2 Nbd7 9. cxd5 Nxd5 10. Bxe7 Qxe7 11. Nxd5 exd5 12. Bd3 Qb4+ 13. Nd2 Nf6 14. 0-0 Re8 15. a3 Qd6 16. b4 Bd7 17. Bf5 Bxf5 18. Qxf5 Ne4 19. Nxe4 Rxe4 20. Rfb1 Rae8 21. b5 g6 22. Qh3 Kg7 23. bxc6 bxc6 24. Rb7 Qf6 25. Rab1 R4e7 26. Rd7 Qf5 27. Qxf5 gxf5 28. Rbb7 Rxd7 29. Rxd7 f4 1/2-1/2

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.03"]
[Round "4"]
[White "Rossberg, Jonathan"]
[Black "Spieker, Hans Joachim"]
[Result "1-0"]
[ECO "D87"]
[WhiteElo "1715"]
[BlackElo "1923"]
[PlyCount "57"]
[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. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Bc4 Bg7 8. Ne2 0-0 9. 0-0 Nc6 10. Be3 e6 11. Qd2 cxd4 12. cxd4 Qa5 13. Rfd1 Rd8 14. Rac1 Bd7 15. Qxa5 Nxa5 16. Bd3 Rac8 17. Nf4 Ba4 18. Rxc8 Rxc8 19. Rb1 b6 20. d5 exd5 21. Nxd5 Kf8 22. Bd2 Nc4 23. Bb4+ Ke8 24. Rc1 Bb2 25. Rxc4 Rd8 26. Be7 b5 27. Rxa4 Rxd5 28. exd5 bxa4 29. Bc5 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.03"]
[Round "3"]
[White "Wielebinski, Paul Martin"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1822"]
[BlackElo "1715"]
[PlyCount "69"]
[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 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 g6 7. Be3 cxd4 8. cxd4 Bg7 9. Nc3 Qa5 10. 0-0 0-0 11. h3 Bd7 12. a3 Nd5 13. Nxd5 Qxd5 14. Rc1 Nc6 15. Rc5 Qd6 16. Qd2 b6 17. Rcc1 Rfd8 18. Rfd1 Na5 19. Bf4 Qd5 20. Qe3 Ba4 21. Rd2 Nb3 22. Bc4 Rac8 23. Bxd5 Rxc1+ 24. Kh2 Nxd2 25. Bxf7+ Kxf7 26. Qxd2 Rd1 27. Ng5+ Kg8 28. Qe3 Be8 29. Qe6+ Kh8 30. Qxe7 R1xd4 31. Be5 Bxe5+ 32. Qxe5+ Kg8 33. Qe6+ Kg7 34. Qe7+ Kh6 35. Ne6 1-0

[Event "Niedersachsen-ch op-A"]
[Site "Verden"]
[Date "2015.01.02"]
[Round "1"]
[White "Kuenitz, Bernhard"]
[Black "Rossberg, Jonathan"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1926"]
[BlackElo "1715"]
[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. c4 b6 2. Nc3 e6 3. d4 Bb7 4. e4 Bb4 5. Bd3 f5 6. d5 fxe4 7. Bxe4 Nf6 8. Bf3 exd5 9. Bd2 0-0 10. Nge2 Ne4 11. cxd5 Bxc3 12. Bxc3 Nxc3 13. bxc3 Qg5 14. h4 Qe5 15. Qd4 Qxd4 16. Nxd4 Na6 17. 0-0 Nc5 18. Rfe1 Rae8 19. Nb5 Rxe1+ 20. Rxe1 c6 21. dxc6 Bxc6 22. Bxc6 dxc6 23. Nxa7 Ra8 24. Nxc6 Rxa2 25. Re3 Na4 26. Ne7+ Kf7 27. Nd5 Rd2 28. Nc7 Rc2 29. Nb5 Nb2 30. g3 Nc4 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 "Hannover-chB"]
[Site "Lehrte"]
[Date "2014.10.28"]
[Round "7"]
[White "Baum, Frank Christian"]
[Black "Rossberg, Jonathan"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1587"]
[BlackElo "1723"]
[PlyCount "102"]
[EventDate "2014.10.25"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 d5 4. e5 Nc6 5. Nf3 Nge7 6. d3 Qb6 7. a4 Nf5 8. g4 Nfd4 9. Nxd4 Nxd4 10. Bg2 Be7 11. 0-0 Bd7 12. f5 Nc6 13. Qe1 c4+ 14. Kh1 cxd3 15. f6 gxf6 16. exf6 Bb4 17. Nxd5 Bxe1 18. Nxb6 axb6 19. Rxe1 dxc2 20. Be3 Nb4 21. Bxb6 Nd3 22. Rf1 c1Q 23. Raxc1 Nxc1 24. Rxc1 Rxa4 25. Rc7 Ra1+ 26. Bg1 Rd1 27. Rxb7 0-0 28. b4 Rc8 29. b5 h6 30. Bf3 Rd3 31. Be4 Rd6 32. Kg2 e5 33. h3 Be6 34. Kg3 Bd5 35. Bxd5 Rxd5 36. Kh4 Rc3 37. Rb8+ Kh7 38. g5 hxg5+ 39. Kg4 e4 40. b6 Rb5 41. Rf8 e3 42. Re8 Rc4+ 43. Kg3 Rxb6 44. Bxe3 Rxf6 45. Bxg5 Rg6 46. h4 f6 47. Re7+ Kg8 48. Re6 Kf7 49. Ra6 fxg5 50. Rxg6 Kxg6 51. hxg5 Rc5 0-1

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2014.10.27"]
[Round "6"]
[White "Rossberg, Jonathan"]
[Black "Jaekel, Michael"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "1723"]
[BlackElo "1742"]
[PlyCount "56"]
[EventDate "2014.10.25"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 Be7 7. f4 0-0 8. Nf3 Na6 9. Bd3 Nc7 10. 0-0 a6 11. a4 b6 12. b3 Rb8 13. Qe2 Re8 14. Be3 Ng4 15. Bf2 Bf6 16. Qc2 b5 17. e5 dxe5 18. Bxh7+ Kh8 19. Ne4 exf4 20. Nxf6 Qxf6 21. Bxc5 Nxd5 22. Bd4 Qh6 23. Rfe1 Nde3 24. Bd3 Bb7 25. Bxe3 Nxe3 26. Qf2 g5 27. Qb2+ Kg8 28. Ne5 Qh8 0-1

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2014.10.27"]
[Round "5"]
[White "Schulze, Lara"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "D87"]
[WhiteElo "1666"]
[BlackElo "1723"]
[PlyCount "75"]
[EventDate "2014.10.25"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. Be3 Nc6 10. Rc1 Qc7 11. h4 Na5 12. Bd3 Rd8 13. h5 e6 14. hxg6 hxg6 15. Qd2 Qe7 16. Bh6 Qf8 17. Qg5 Bd7 18. Bxg7 Qxg7 19. Qxc5 b6 20. Qg5 Rac8 21. e5 b5 22. Ng3 Bc6 23. Be4 Bd5 24. Bxd5 exd5 25. Nf1 Nc6 26. Nh2 Qh7 27. Kd2 Qh5 28. Qxh5 gxh5 29. Nf3 Na5 30. Rxh5 Nc4+ 31. Kd3 a5 32. Rb1 Rb8 33. Rg5+ Kf8 34. Rf5 Ke7 35. Ng5 Rf8 36. Rh1 Ke8 37. Rh7 Rb7 38. e6 1-0

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2014.10.26"]
[Round "3"]
[White "Hanemann, Henno"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1706"]
[BlackElo "1723"]
[PlyCount "49"]
[EventDate "2014.10.25"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. f4 d5 3. exd5 Nf6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. c4 e6 7. Qe2 Bd6 8. f5 e5 9. g4 g6 10. d3 h6 11. fxg6 fxg6 12. h3 g5 13. Nf3 Qe7 14. Nc3 Nbd7 15. Bd2 0-0-0 16. 0-0-0 a6 17. Rde1 Rhf8 18. Na4 Rde8 19. Nc3 Kb8 20. Rhg1 Rf7 21. h4 Nh7 22. hxg5 hxg5 23. Ne4 Rg7 24. Qh2 Kc7 25. Bc3 1-0

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2014.10.26"]
[Round "4"]
[White "Rossberg, Jonathan"]
[Black "Kieselbach, Petra"]
[Result "1-0"]
[ECO "D60"]
[WhiteElo "1723"]
[BlackElo "1544"]
[PlyCount "59"]
[EventDate "2014.10.25"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 Be7 6. e3 0-0 7. Bd3 b6 8. cxd5 Nxd5 9. Bxe7 Nxe7 10. Be4 Rb8 11. Nd2 c5 12. Nb3 cxd4 13. Nxd4 Nc5 14. Bf3 Ba6 15. Be2 Bxe2 16. Qxe2 e5 17. Nf3 e4 18. Ng5 Nd3+ 19. Kf1 f5 20. Ne6 Qe8 21. Nxf8 Qxf8 22. g3 Qf6 23. Qc2 g5 24. h4 h6 25. Qb3+ Kg7 26. hxg5 Qxg5 27. Ne2 Qg4 28. Qe6 Qg5 29. Nf4 Nc5 30. Qe5+ 1-0

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2014.10.25"]
[Round "2"]
[White "Rossberg, Jonathan"]
[Black "Romakin, Anatolij"]
[Result "0-1"]
[ECO "D86"]
[WhiteElo "1723"]
[BlackElo "1780"]
[PlyCount "70"]
[EventDate "2014.10.25"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. 0-0 cxd4 10. cxd4 Nc6 11. Be3 a6 12. Rc1 Bd7 13. d5 Na5 14. Bd3 b5 15. Qd2 Nb7 16. Bh6 Bxh6 17. Qxh6 Nd6 18. Ng3 f6 19. Rfe1 Qa5 20. Re2 Rac8 21. Rxc8 Rxc8 22. Qd2 Qxd2 23. Rxd2 Rc1+ 24. Nf1 Nc4 25. Rc2 Ra1 26. Bxc4 bxc4 27. f3 Ba4 28. Rxc4 Bb5 29. Rc8+ Kf7 30. Kf2 Rxf1+ 31. Kg3 h5 32. Rc7 Kf8 33. Kf4 Rf2 34. e5 fxe5+ 35. Kxe5 Rxg2 0-1

[Event "Hannover-chB"]
[Site "Lehrte"]
[Date "2014.10.25"]
[Round "1"]
[White "Sanasi, Marcello"]
[Black "Rossberg, Jonathan"]
[Result "0-1"]
[ECO "E65"]
[WhiteElo "1575"]
[BlackElo "1723"]
[PlyCount "102"]
[EventDate "2014.10.25"]
[EventType "tourn"]
[EventRounds "7"]
[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. g3 0-0 5. Bg2 d6 6. 0-0 Nbd7 7. Nc3 c5 8. Qc2 Rb8 9. d5 a6 10. Rb1 b5 11. b3 Nb6 12. Nd2 Bd7 13. e4 bxc4 14. bxc4 e6 15. Bb2 exd5 16. exd5 Ng4 17. Nce4 Ba4 18. Qc1 Ne5 19. Bxe5 Bxe5 20. Nf3 Bg7 21. Nfd2 Qc7 22. Nc3 Bd7 23. Qa3 Ra8 24. Rfe1 Bh6 25. Nce4 Bf5 26. Bf1 Bg7 27. Qa5 Nxd5 28. Qxc7 Nxc7 29. Rb7 Ne8 30. Reb1 Nf6 31. Nxf6+ Bxf6 32. R1b6 Bc8 33. Rb8 Rxb8 34. Rxb8 Be7 35. Ne4 Bf5 36. Rb7 Re8 37. Nc3 Bf8 38. f3 Re1 39. Kf2 Rc1 40. Nd5 Rc2+ 41. Ke3 Kg7 42. h4 h5 43. Be2 Be6 44. Nc7 Kh6 45. g4 hxg4 46. fxg4 g5 47. hxg5+ Kxg5 48. Nxe6+ fxe6 49. Rb8 Bh6 50. Rg8+ Kf6+ 51. Kd3 Rd2+ 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2014.01.05"]
[Round "7"]
[White "Rossberg, Jonathan"]
[Black "Neumann, Tiemon"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "1497"]
[BlackElo "1673"]
[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. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. d5 Ne5 5. e4 e6 6. Bxc4 exd5 7. Bxd5 c6 8. Bf4 Qe7 9. Bb3 Nf6 10. Nge2 Ng6 11. Bg5 h6 12. Bxf6 Qxf6 13. 0-0 Bd6 14. Qd2 Nf4 15. Rad1 Bc7 16. Rfe1 0-0 17. Ng3 h5 18. Qd4 Qg5 19. Nce2 h4 20. Nxf4 Qxf4 21. Nf1 Ba5 22. Qe3 Qe5 23. Nd2 Bg4 24. Rb1 Bxd2 25. Qxd2 h3 26. f3 Bc8 27. Red1 hxg2 28. Qxg2 Be6 29. Bxe6 Qxe6 30. b3 Rad8 31. Qf2 a6 32. Rd2 Rd7 33. Rbd1 Rfd8 34. f4 Qg4+ 35. Kf1 Qxd1+ 36. Rxd1 Rxd1+ 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2014.01.04"]
[Round "5"]
[White "Brinkers, Niklas"]
[Black "Rossberg, Jonathan"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "1615"]
[BlackElo "1497"]
[PlyCount "80"]
[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. f4 g6 2. Nf3 Bg7 3. e3 c5 4. d4 cxd4 5. exd4 Nf6 6. c3 0-0 7. Bd3 Nc6 8. 0-0 d6 9. Qe1 a6 10. f5 b5 11. Qh4 e6 12. fxg6 fxg6 13. Bg5 Ne7 14. g4 e5 15. dxe5 dxe5 16. Nxe5 Qd5 17. Bxf6 Bxf6 18. Rxf6 Qxe5 19. Rxf8+ Kxf8 20. Qf2+ Kg7 21. Be2 Bb7 22. Nd2 Rd8 23. Nf3 Qe4 24. Rd1 Rxd1+ 25. Bxd1 Qxg4+ 26. Kf1 Nf5 27. Qa7 Qe4 28. Kf2 Kh6 29. Qb8 Qe3+ 30. Kf1 Bxf3 31. Qf8+ Kh5 32. Bxf3+ Qxf3+ 33. Ke1 Qe4+ 34. Kf2 Qf4+ 35. Ke1 Qc1+ 36. Ke2 Qxb2+ 37. Kd3 Qxh2 38. Qg8 Qd6+ 39. Ke4 Qe7+ 40. Kf3 Qe3+ 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2014.01.04"]
[Round "6"]
[White "Helmer, Jan"]
[Black "Rossberg, Jonathan"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1573"]
[BlackElo "1497"]
[PlyCount "68"]
[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. f4 d5 2. Nf3 c6 3. b3 Nf6 4. Bb2 Nbd7 5. g3 g6 6. Bg2 Bg7 7. 0-0 Nb6 8. d3 Bd7 9. e4 dxe4 10. dxe4 Qc7 11. Nbd2 0-0-0 12. Qe2 h5 13. c4 Bg4 14. Qf2 Bxf3 15. Bxf3 h4 16. Kg2 hxg3 17. hxg3 Qd7 18. Rad1 Rh7 19. Rh1 Rxh1 20. Kxh1 Ng4 21. Bxg4 Qxg4 22. Rb1 Bxb2 23. Rxb2 Qd1+ 24. Kg2 Rh8 25. Qf1 Qg4 26. Nf3 Nd7 27. Qg1 Rh3 28. Kf2 Nc5 29. Rc2 Nxe4+ 30. Ke3 Nxg3 31. Qd1 Nf5+ 32. Ke4 Rxf3 33. Qxf3 Qxf3+ 34. Kxf3 Nd4+ 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2014.01.03"]
[Round "3"]
[White "Rossberg, Jonathan"]
[Black "Kramer, Norbert"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "1497"]
[BlackElo "1790"]
[PlyCount "111"]
[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 e6 2. c4 f5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Bd3 Qe8 7. Nf3 b6 8. e4 Nxe4 9. Nxe4 fxe4 10. Bxe4 Bb4+ 11. Bd2 Bxd2+ 12. Qxd2 d5 13. Bd3 Bb7 14. Qe3 dxc4 15. Bxc4 Bd5 16. Bd3 Nd7 17. Ng5 g6 18. 0-0 Qe7 19. Rfe1 Rae8 20. Be4 Qf6 21. Bf3 Bxf3 22. Nxf3 Qg7 23. Rac1 Nf6 24. Rc6 Nd5 25. Qe4 Rf4 26. Qe2 Rf6 27. Qe5 Qd7 28. Rec1 Rf5 29. Qg3 Re7 30. Ne5 Qe8 31. Ng4 Qf8 32. Ne3 Rff7 33. Nxd5 exd5 34. Rxc7 Rxc7 35. Rxc7 Rxc7 36. Qxc7 Qb4 37. Qc3 Qxc3 38. bxc3 b5 39. g4 Kf7 40. Kg2 Kf6 41. Kg3 g5 42. f4 gxf4+ 43. Kxf4 a5 44. h4 b4 45. cxb4 axb4 46. g5+ Kg6 47. Ke5 Kh5 48. Kxd5 Kxh4 49. Ke6 Kxg5 50. d5 h5 51. d6 h4 52. d7 h3 53. d8Q+ Kg4 54. Qd4+ Kg3 55. Qxb4 h2 56. Qe1+ 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2014.01.03"]
[Round "4"]
[White "Rossberg, Jonathan"]
[Black "Reichelt, Ole"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "1497"]
[BlackElo "1745"]
[PlyCount "74"]
[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 f5 2. c4 Nf6 3. Nc3 e6 4. g3 Bb4 5. Bd2 0-0 6. Bg2 d5 7. cxd5 exd5 8. e3 b6 9. Nge2 Bb7 10. 0-0 Bxc3 11. Bxc3 Ne4 12. Nf4 Qe8 13. Qb3 Qf7 14. Rac1 Nd7 15. Rfd1 Rad8 16. Bd2 c6 17. Qc2 Ndf6 18. b4 b5 19. Nd3 Nd7 20. a3 Qe7 21. Ra1 Nb6 22. Nc5 Nc4 23. Nxe4 fxe4 24. Bf1 Rf6 25. Bg2 Bc8 26. h3 Rdf8 27. Rf1 Rh6 28. h4 Bg4 29. Bc3 Qe6 30. a4 a6 31. axb5 cxb5 32. Ra2 Bf3 33. Rfa1 Rxh4 34. Rxa6 Rh1+ 35. Bxh1 Qh3 36. Bxf3 exf3 37. Qxh7+ Kxh7 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2014.01.02"]
[Round "2"]
[White "Rickling, Renee"]
[Black "Rossberg, Jonathan"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1757"]
[BlackElo "1497"]
[PlyCount "37"]
[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 g6 3. e3 Bg7 4. Bd3 c5 5. c3 b6 6. dxc5 bxc5 7. Nbd2 0-0 8. 0-0 Bb7 9. Qe2 d6 10. e4 Nfd7 11. Nc4 Nc6 12. Bg5 Qc7 13. Rfd1 Rfe8 14. Ne3 Nce5 15. Bb5 a6 16. Nxe5 axb5 17. Nxd7 Qxd7 18. Ng4 Ra4 19. f3 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2014.01.02"]
[Round "1"]
[White "Rossberg, Jonathan"]
[Black "Bassow, Konstantin"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1497"]
[BlackElo "989"]
[PlyCount "89"]
[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. c4 dxc4 3. e3 Bf5 4. Bxc4 Nc6 5. Qf3 e6 6. Bb5 Qd5 7. Nc3 Bb4 8. Qxd5 exd5 9. Bd2 Bxc3 10. bxc3 Nge7 11. Ne2 0-0 12. Nf4 a6 13. Bxc6 bxc6 14. 0-0 Ng6 15. Ne2 Bd3 16. Rfe1 Bxe2 17. Rxe2 Rfb8 18. Bc1 Rb7 19. Rb2 Rxb2 20. Bxb2 Rb8 21. Ba3 f5 22. f3 f4 23. e4 dxe4 24. fxe4 Re8 25. e5 Nh4 26. Rf1 g5 27. g3 fxg3 28. hxg3 Ng6 29. Rf5 g4 30. Rg5 h6 31. Rxg6+ Kh7 32. Rxc6 Rb8 33. Rxc7+ Kg8 34. Bb4 a5 35. Bxa5 Rb1+ 36. Kf2 Rb2+ 37. Ke3 Rxa2 38. Bb4 Ra1 39. Rc6 Kg7 40. e6 Kh7 41. e7 Kg7 42. Rc8 Kf7 43. e8Q+ Kg7 44. Qg8+ Kf6 45. Rf8# 1-0

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.06"]
[Round "7"]
[White "Rossberg, Jonathan"]
[Black "Lai Hop, Long"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1319"]
[BlackElo "1633"]
[PlyCount "140"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 a6 7. e3 e6 8. a3 Bd6 9. Bxd6 Qxd6 10. Bd3 0-0 11. 0-0 Re8 12. Rc1 Bd7 13. Qd2 b5 14. b4 Rac8 15. Rc2 Rc7 16. Bxb5 Bc8 17. Bxc6 Rxc6 18. Ne5 Rc7 19. Rfc1 Nd7 20. Nd3 Nb6 21. Ne5 f6 22. Ng4 h5 23. Nxf6+ gxf6 24. e4 Rg7 25. Qh6 Qe7 26. Qxh5 Bb7 27. exd5 Bxd5 28. Nxd5 Nxd5 29. Qf3 Qa7 30. Rc8 Qd7 31. R8c6 Qb7 32. Qe4 Nc7 33. Qf3 Nd5 34. Qh5 Rf8 35. Qf3 Re8 36. Qh5 Qa8 37. Rxa6 Qb8 38. Qf3 Qf4 39. Qd1 Qg5 40. g3 Nf4 41. Ra5 Ne2+ 42. Kf1 Qxc1 43. Kxe2 Qxd1+ 44. Kxd1 Rg4 45. f4 Rg7 46. Kc2 Rc7+ 47. Kb3 Kf7 48. Rh5 Kg6 49. Rh4 Rec8 50. b5 Rc3+ 51. Kb4 R8c4+ 52. Ka5 Rxa3+ 53. Kb6 Rb4 54. d5 exd5 55. f5+ Kxf5 56. Rxb4 Ke5 57. Rb1 d4 58. Kc5 Rc3+ 59. Kb4 Rc2 60. b6 Rxh2 61. b7 Rh8 62. Kc5 Ke4 63. b8Q Rxb8 64. Rxb8 f5 65. Rd8 Kf3 66. Kxd4 Kxg3 67. Ke3 f4+ 68. Ke2 Kg4 69. Rg8+ Kf5 70. Kf3 Ke5 1-0

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.05"]
[Round "5"]
[White "Rossberg, Jonathan"]
[Black "Tenninger, Joerg"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "1319"]
[BlackElo "1555"]
[PlyCount "120"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Bd3 h6 7. Bh4 Nbd7 8. Nge2 b6 9. 0-0 Bb7 10. f3 c5 11. Kh1 Rc8 12. cxd5 Nxd5 13. Bxe7 Qxe7 14. Bb1 N7f6 15. Qd3 Nb4 16. Qd2 Rfd8 17. Ne4 Nxe4 18. fxe4 Ba6 19. Rf2 Bxe2 20. Rxe2 cxd4 21. exd4 Rxd4 22. Qxd4 Rc1+ 23. Qg1 Rxg1+ 24. Kxg1 Qc5+ 25. Kf1 Qc1+ 26. Re1 Qxb2 27. e5 g6 28. Be4 Qxe5 29. a3 Qf4+ 30. Kg1 Na6 31. Rad1 Nc5 32. Bc2 Qc4 33. Bb1 Qc3 34. Rf1 Kg7 35. Rf3 Qb2 36. Rdf1 f5 37. g4 Qd4+ 38. Kh1 Qxg4 39. Rg3 Qc4 40. Rfg1 g5 41. Re1 Qd5+ 42. Kg1 Qd4+ 43. Kh1 Kg6 44. Rge3 Qd5+ 45. Kg1 h5 46. R3e2 h4 47. Ba2 Qd4+ 48. Kh1 Nd3 49. Rxe6+ Kh5 50. R1e2 Nf2+ 51. Kg2 h3+ 52. Kf1 Nd3 53. R6e3 Qa1+ 54. Re1 Nxe1 55. Bf7+ Kh4 56. Rxe1 Qxa3 57. Re2 Qd3 58. Kf2 b5 59. Re3 Qd2+ 60. Kf3 Qg2# 0-1

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.05"]
[Round "6"]
[White "Siekmann, Christina"]
[Black "Rossberg, Jonathan"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1562"]
[BlackElo "1319"]
[PlyCount "102"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. Bf4 Bb7 4. Nd2 Bb4 5. a3 Bxd2+ 6. Qxd2 f5 7. Nf3 Nf6 8. e3 0-0 9. Bd3 Nc6 10. Rc1 d6 11. Bb1 Qe7 12. 0-0 Rad8 13. Ba2 e5 14. Bg5 e4 15. Nh4 Bc8 16. c5+ Kh8 17. cxb6 Qd7 18. bxc7 Rde8 19. d5 Ne5 20. Qa5 a6 21. Bc4 h6 22. Bxf6 Rxf6 23. g3 g5 24. Ng2 Qf7 25. Be2 Nf3+ 26. Bxf3 exf3 27. Ne1 Qh5 28. Rc6 Kg7 29. Qb4 f4 30. Rxd6 Rxd6 31. Qxd6 fxe3 32. fxe3 Rxe3 33. Nxf3 Rxf3 34. Qe5+ Kf7 35. d6 Rxf1+ 36. Kxf1 Qd1+ 37. Kf2 Qc2+ 38. Ke3 Qc1+ 39. Kf2 Qd2+ 40. Qe2 Qxd6 41. Qc4+ Kf8 42. Qb4 Qxb4 43. axb4 Ke8 44. Ke3 Kd7 45. Kd4 Kxc7 46. Kc5 Kb7 47. Kc4 Kc6 48. Kd4 Kb5 49. Ke5 Kxb4 50. Kf6 Kb3 51. Kg6 Kxb2 0-1

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.04"]
[Round "4"]
[White "Bischoff, Norbert"]
[Black "Rossberg, Jonathan"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1648"]
[BlackElo "1319"]
[PlyCount "50"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. e3 Bg7 5. c3 0-0 6. Nd2 b6 7. Qf3 Nc6 8. Bd3 Re8 9. 0-0-0 f5 10. Qg3 a5 11. Nh3 a4 12. Nf4 d6 13. Bb5 Bd7 14. h4 Ra5 15. Bxc6 Bxc6 16. h5 Qf6 17. hxg6 fxg6 18. Nc4 Ra7 19. Nd2 Qf7 20. c4 b5 21. d5 Qf6 22. Nd3 bxc4 23. Nxc4 Bxd5 24. Nde5 dxe5 25. Rxd5 Qc6 0-1

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.04"]
[Round "3"]
[White "Rossberg, Jonathan"]
[Black "Rajendran, Reanosh"]
[Result "1-0"]
[ECO "E24"]
[WhiteElo "1319"]
[BlackElo "874"]
[PlyCount "107"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 Nf6 6. cxd5 exd5 7. e3 Nc6 8. Bd3 Be6 9. Ne2 Ne4 10. f3 Nf6 11. 0-0 Qd6 12. e4 dxe4 13. fxe4 Ng4 14. Bf4 Qd7 15. d5 Bxd5 16. exd5 Qxd5 17. Ng3 Nce5 18. Be4 Qc5+ 19. Qd4 Qxd4+ 20. cxd4 Nc6 21. Bxc6+ bxc6 22. Bxc7 0-0 23. Nf5 Rfe8 24. Rae1 Rxe1 25. Rxe1 h6 26. Be5 f6 27. Bd6 a6 28. h3 g6 29. Ne7+ Kf7 30. hxg4 Re8 31. Kf2 a5 32. Nxc6 Rxe1 33. Kxe1 Ke6 34. Bc5 Kd7 35. Nxa5 f5 36. gxf5 gxf5 37. Kf2 Ke6 38. Kf3 Kf6 39. g4 fxg4+ 40. Kxg4 Kg6 41. d5 h5+ 42. Kh4 Kf7 43. Kxh5 Ke8 44. d6 Kd7 45. Nc4 Kc6 46. Ne5+ Kb7 47. d7 Kc7 48. Bb6+ Kxb6 49. d8Q+ Ka6 50. Qb8 Ka5 51. Qb4+ Ka6 52. Nd7 Ka7 53. Qb8+ Ka6 54. Qb6# 1-0

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.03"]
[Round "2"]
[White "Hoppe, Michael"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1519"]
[BlackElo "1319"]
[PlyCount "39"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 b6 3. Nc3 Bb7 4. Qd2 Nf6 5. f3 Bb4 6. e4 Bxe4 7. fxe4 Nxe4 8. Qe3 d5 9. Nge2 c5 10. 0-0-0 Nxc3 11. Nxc3 Qf6 12. Nb5 Na6 13. Nd6+ Kd7 14. Bxa6 cxd4 15. Bb5+ Ke7 16. Qg3 h6 17. Rhf1 g5 18. Be5 Qg6 19. Rxf7+ Kd8 20. Rd7# 1-0

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.03"]
[Round "1"]
[White "Rossberg, Jonathan"]
[Black "Laubrock, Johannes"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1319"]
[BlackElo "733"]
[PlyCount "51"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 Nc6 6. cxd5 Qxd5 7. Nf3 Nf6 8. e3 e5 9. c4 Qe4 10. Bd3 Qg4 11. Nxe5 Nxe5 12. dxe5 Ne4 13. Qxg4 Bxg4 14. Bxe4 Rd8 15. 0-0 Be2 16. Re1 Rd1 17. Rxd1 Bxd1 18. Bxb7 0-0 19. Bd5 Rd8 20. Bb2 Bb3 21. Bd4 a6 22. Rb1 Ba2 23. Rb2 Bxc4 24. Bxc4 c5 25. Bxc5 Rd1+ 26. Bf1 1-0

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2012.10.23"]
[Round "7"]
[White "Almeev, Timur"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1782"]
[BlackElo "1253"]
[PlyCount "87"]
[EventDate "2012.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 e6 2. g3 Nf6 3. Bg2 c5 4. 0-0 Nc6 5. d4 cxd4 6. Nxd4 Bc5 7. e3 0-0 8. c4 Ne5 9. b3 Rb8 10. Bb2 Ng6 11. Nc3 b6 12. Ndb5 a6 13. Nd6 Bxd6 14. Qxd6 Bb7 15. Rfd1 Bxg2 16. Kxg2 Rb7 17. Na4 Ne8 18. Qd4 Qc7 19. Ba3 Qc6+ 20. Kg1 f6 21. f4 Rf7 22. Nc3 b5 23. cxb5 axb5 24. Ne4 d5 25. Rdc1 Qb6 26. Qxb6 Rxb6 27. Rc8 dxe4 28. Rxe8+ Nf8 29. Rc1 b4 30. Bb2 Rd6 31. Bd4 g6 32. Rcc8 Kg7 33. Bc5 Rd1+ 34. Kg2 Rd2+ 35. Kh3 Nd7 36. Bxb4 Rxa2 37. Rg8+ Kh6 38. Rc7 f5 39. Rb8 Re2 40. Rbb7 Rxe3 41. Rxd7 Rxd7 42. Rxd7 Rxb3 43. Bf8+ Kh5 44. Rxh7# 1-0

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2012.10.23"]
[Round "4"]
[White "Dorn, Sylvain"]
[Black "Rossberg, Jonathan"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1361"]
[BlackElo "1253"]
[PlyCount "60"]
[EventDate "2012.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. Nc3 Nc6 4. Nf3 Nf6 5. 0-0 a6 6. a3 b5 7. Bd3 c4 8. Be2 Bb7 9. d3 cxd3 10. cxd3 Qc7 11. Be3 d5 12. exd5 exd5 13. Qc1 Rd8 14. d4 Be7 15. Bf4 Qb6 16. Rd1 0-0 17. h3 Rc8 18. Qe3 Rfe8 19. Qd3 Na5 20. Be5 Nc4 21. Rab1 h6 22. Bxf6 Bxf6 23. Qf5 Nd6 24. Nxd5 Bxd5 25. Qxd5 Rxe2 26. Ne5 Bxe5 27. dxe5 Qxf2+ 28. Kh1 Nf5 29. Rbc1 Rf8 30. b4 Ne3 0-1

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2012.10.23"]
[Round "6"]
[White "Kornhagen, Fynn"]
[Black "Rossberg, Jonathan"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1166"]
[BlackElo "1253"]
[PlyCount "127"]
[EventDate "2012.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. Bf4 e6 4. e3 Nf6 5. Be2 c5 6. 0-0 Nc6 7. c4 cxd4 8. Nxd4 Nxd4 9. Qxd4 Be7 10. cxd5 Qxd5 11. Qxd5 Nxd5 12. Bb5+ Kf8 13. Be5 a6 14. Be2 Nb4 15. Na3 Nc6 16. Nc4 Nxe5 17. Nxe5 Rd8 18. Bf3 Bf6 19. Rad1 Ke7 20. Rxd8 Rxd8 21. Ng4 Bxb2 22. h3 h5 23. Nh2 g6 24. Bxb7 a5 25. Bc6 e5 26. e4 Be6 27. Rb1 Bc3 28. a4 Rd4 29. Rc1 Bb4 30. Nf3 Rd8 31. Nxe5 Bd6 32. Nc4 Bxc4 33. Rxc4 Bc7 34. Bd5 Be5 35. Rc5 Rb8 36. g3 Rb1+ 37. Kg2 Bd4 38. Rc7+ Kd6 39. Rxf7 Rb4 40. Rf8 Ke7 41. Rg8 Rb2 42. Kf1 Rxf2+ 43. Ke1 Rf6 44. Ra8 Rf3 45. Rxa5 Rxg3 46. Ra6 g5 47. Re6+ Kd7 48. a5 Rxh3 49. a6 Ra3 50. Rh6 h4 51. Be6+ Ke7 52. Bf5 Kf7 53. Ke2 Bf6 54. Rh7+ Bg7 55. e5 Rxa6 56. e6+ Kf6 57. e7 Ra8 58. Bd7 Kg6 59. Rxg7+ Kxg7 60. e8Q Rxe8+ 61. Bxe8 Kf6 62. Kf3 Ke5 63. Bd7 Kf6 64. Kg4 1/2-1/2

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2012.10.23"]
[Round "3"]
[White "Rossberg, Jonathan"]
[Black "Dannenberg, Nicole"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1253"]
[BlackElo "1197"]
[PlyCount "83"]
[EventDate "2012.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. cxd5 cxd5 4. Nc3 Nf6 5. Bg5 Nbd7 6. e3 a6 7. Nf3 e6 8. Bd3 Bb4 9. 0-0 0-0 10. Qc2 h6 11. Bh4 b5 12. Rac1 Bb7 13. a3 Bd6 14. Ne2 Rc8 15. Qd2 Qb6 16. b4 Rc6 17. Rc3 Rfc8 18. Rfc1 Qc7 19. Rxc6 Bxc6 20. Bg3 Nb6 21. Ne5 Nc4 22. Qc3 Nd7 23. Nxd7 Qxd7 24. Bb1 Bxg3 25. Nxg3 Qd6 26. Qd3 g6 27. h4 h5 28. Nxh5 Kf8 29. Ng3 Ke7 30. h5 Rg8 31. hxg6 Rxg6 32. Qe2 Rh6 33. Qg4 Rf6 34. Nh5 Rh6 35. Qg5+ Kd7 36. Qxh6 Qe7 37. Nf6+ Kc7 38. Bd3 e5 39. Qg5 Qe6 40. Bxc4 dxc4 41. Qxe5+ Qxe5 42. dxe5 1-0

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2012.10.23"]
[Round "1"]
[White "Rossberg, Jonathan"]
[Black "Lange, Marcel"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1253"]
[PlyCount "21"]
[EventDate "2012.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. Nf3 Nc6 5. e4 b6 6. exd5 Nb4 7. Bb5+ Bd7 8. Bc4 f6 9. Nc3 g5 10. Ne5 fxe5 11. Qh5# 1-0

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2012.10.23"]
[Round "5"]
[White "Rossberg, Jonathan"]
[Black "Renzelmann, Jannis"]
[Result "0-1"]
[ECO "D51"]
[WhiteElo "1253"]
[BlackElo "1331"]
[PlyCount "124"]
[EventDate "2012.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Bb4 5. e3 Nbd7 6. Bd3 b6 7. Nge2 Bb7 8. 0-0 0-0 9. Ng3 h6 10. Bxf6 Nxf6 11. f3 Bd6 12. Qe1 c5 13. Nce2 cxd4 14. Nxd4 dxc4 15. Bxc4 Rc8 16. Nxe6 Qe7 17. Nf5 Qd7 18. Bb5 Qxe6 19. e4 Bc5+ 20. Kh1 a6 21. Ba4 Qe5 22. b4 Bd4 23. Rb1 Bc3 24. Qf2 b5 25. Bb3 Kh7 26. Bc2 g6 27. f4 Qc7 28. e5 Ne4 29. Bxe4 Bxe4 30. Nd6 Bxb1 31. Nxc8 Rxc8 32. Rxb1 Qc4 33. Rc1 Qxb4 34. f5 Rg8 35. fxg6+ fxg6 36. Qe3 Bd4 37. Qf4 Rg7 38. Rd1 Bc5 39. Qf3 a5 40. e6 Be7 41. h3 Qc4 42. Qd5 Qxd5 43. Rxd5 b4 44. Rxa5 g5 45. Rf5 Kg6 46. g4 Bd6 47. Rd5 Be7 48. Rf5 Bf6 49. Rb5 Bc3 50. Kg2 Kf6 51. Rb6 Re7 52. Kf3 Rxe6 53. Rxe6+ Kxe6 54. Ke4 Be1 55. Kd4 Kd6 56. Ke4 Kc5 57. Kd3 Kd5 58. Ke2 Bc3 59. Kd3 Kc5 60. Kc2 Kc4 61. Kd1 Kd3 62. Kc1 Ke3 0-1

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2012.10.23"]
[Round "2"]
[White "Thieu, Nguyen Gia Luat"]
[Black "Rossberg, Jonathan"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "1583"]
[BlackElo "1253"]
[PlyCount "91"]
[EventDate "2012.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 a6 8. Bb3 0-0 9. f3 b5 10. Qd2 Bb7 11. 0-0-0 Rc8 12. h4 Na5 13. Bh6 b4 14. Na4 Bxh6 15. Qxh6 Qc7 16. Rd2 Nxb3+ 17. Nxb3 Bxe4 18. Qe3 Bxc2 19. Nac5 Bxb3 20. Qxb3 Qxc5+ 21. Rc2 Qd4 22. Rd1 Qxh4 23. g4 Qg5+ 24. Kb1 Qf4 25. Rcd2 Rc7 26. Rd4 Rc1+ 27. Rxc1 Qxd4 28. Rc4 Qg1+ 29. Rc1 Qb6 30. Rc4 a5 31. a3 Rb8 32. Ka2 bxa3 33. Rc8+ Kg7 34. Rxb8 Qxb3+ 35. Rxb3 axb2 36. Kxb2 h5 37. gxh5 Nxh5 38. Rb7 Nf6 39. Ra7 e6 40. Kc2 d5 41. Kd3 a4 42. Rxa4 Nd7 43. Kd4 Kf6 44. f4 Nb6 45. Ra7 Nc8 46. Rd7 1/2-1/2

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2011.10.18"]
[Round "7"]
[White "Baeuerlein, Johannes"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "1586"]
[BlackElo "1027"]
[PlyCount "85"]
[EventDate "2011.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nb3 Nf6 7. Nc3 0-0 8. Be2 d6 9. 0-0 a5 10. Be3 Nxe4 11. Nxe4 Bxb2 12. Rb1 Bg7 13. Ng3 f5 14. f4 Nb4 15. Qd2 Re8 16. Rbd1 b6 17. h3 Na6 18. Qd5+ Be6 19. Qxe6+ Kf8 20. Qd5 Nc7 21. Qd2 Rb8 22. Nd4 Qd7 23. Bf3 b5 24. Bc6 Qd8 25. cxb5 Na8 26. Ne6+ Kg8 27. Nxd8 Rbxd8 28. Bxe8 Rxe8 29. b6 Rb8 30. Qd5+ Kf8 31. Rc1 Nxb6 32. Bxb6 Ke8 33. Qg8+ Bf8 34. Bd4 Kd7 35. Bg7 Bxg7 36. Qxb8 Bd4+ 37. Kh1 Ke6 38. Rfe1+ Kf7 39. Rc7 Bf6 40. Rcxe7+ Bxe7 41. Qc7 Kg7 42. Rxe7+ Kh6 43. Rxh7# 1-0

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2011.10.17"]
[Round "5"]
[White "Kornhagen, Fynn"]
[Black "Rossberg, Jonathan"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1129"]
[BlackElo "1027"]
[PlyCount "38"]
[EventDate "2011.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[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. Bf4 Nc6 4. e3 d5 5. Bd3 Bd6 6. Bxd6 Qxd6 7. h3 0-0 8. 0-0 Re8 9. c4 e5 10. dxe5 Nxe5 11. Nxe5 Rxe5 12. Nc3 Rg5 13. Qc2 Bxh3 14. g3 Bxf1 15. Kxf1 Rh5 16. Ke2 dxc4 17. Bxc4 Qd7 18. Rf1 Qg4+ 19. Ke1 Qxc4 0-1

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2011.10.17"]
[Round "6"]
[White "Rossberg, Jonathan"]
[Black "Winkler, Maximilian"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "1027"]
[BlackElo "1231"]
[PlyCount "43"]
[EventDate "2011.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Bf5 5. e3 Nf6 6. Nf3 Nbd7 7. Bb5 a6 8. Ba4 b5 9. Bb3 e6 10. 0-0 Bg4 11. Re1 Ne4 12. Bc2 Ng5 13. e4 Bxf3 14. Bxg5 Qxg5 15. Qxf3 dxe4 16. Nxe4 Qd5 17. Nd6+ Qxd6 18. Qxa8+ Nb8 19. Rac1 Be7 20. a4 0-0 21. Qe4 Bf6 22. Qxh7# 1-0

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2011.10.16"]
[Round "3"]
[White "Rossberg, Jonathan"]
[Black "Kretschmer, Marcel"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "1027"]
[BlackElo "1143"]
[PlyCount "192"]
[EventDate "2011.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. e3 Nc6 5. Nf3 Bd6 6. Bd3 dxc4 7. Bxc4 0-0 8. 0-0 Re8 9. e4 e5 10. Re1 Bg4 11. Be2 Bxf3 12. Bxf3 Nxd4 13. Bg5 Bb4 14. Re3 c5 15. Nd5 Qd6 16. Nxf6+ gxf6 17. Bh4 Bd2 18. Rd3 Bg5 19. Bh5 Bxh4 20. Qg4+ Kh8 21. Qxh4 Qe6 22. Rh3 Kg8 23. Bg4 Qc6 24. Qxh7+ Kf8 25. Bh5 Qe6 26. Rg3 Ke7 27. Rg7 Rf8 28. h3 b5 29. b3 Rac8 30. Bg4 Rh8 31. Qxh8 Rxh8 32. Bxe6 Kxe6 33. Kf1 a5 34. Rc1 Rc8 35. Rg3 b4 36. h4 Ke7 37. h5 Ne6 38. Rh3 Ng5 39. Rh4 Kd6 40. f4 Nxe4 41. fxe5+ Kxe5 42. Re1 f5 43. h6 Kf6 44. Re3 Rd8 45. Ke1 Kg6 46. g4 Ng5 47. gxf5+ Kxf5 48. h7 Rh8 49. Rc4 Ne6 50. Rf3+ Kg6 51. Rg4+ Ng5 52. Rf1 Rxh7 53. Rc4 Ne6 54. Rg1+ Kf6 55. Rg8 Rh1+ 56. Kd2 Rh2+ 57. Ke3 Rxa2 58. Ra8 Ke5 59. Ra6 Ra3 60. Kd2 Kd5 61. Rh4 Nd4 62. Rh5+ f5 63. Rf6 Nxb3+ 64. Kd1 Ra1+ 65. Kc2 Nd4+ 66. Kb2 Rf1 67. Rh8 Rf2+ 68. Kb1 b3 69. Rd8+ Ke5 70. Ra6 b2 71. Rxa5 Ne6 72. Rb8 f4 73. Rxb2 Rxb2+ 74. Kxb2 f3 75. Ra1 Ke4 76. Re1+ Kd5 77. Re3 Ng5 78. Re1 Kd4 79. Kc2 f2 80. Rd1+ Kc4 81. Rf1 Ne4 82. Kd1 Kd3 83. Kc1 Ke2 84. Rxf2+ Kxf2 85. Kc2 Ke2 86. Kb3 Kd3 87. Kb2 Kd2 88. Kb3 Nd6 89. Kb2 c4 90. Ka1 c3 91. Kb1 c2+ 92. Ka2 c1Q 93. Kb3 Qc5 94. Kb2 Qb4+ 95. Ka2 Kc2 96. Ka1 Qb2# 0-1

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2011.10.15"]
[Round "1"]
[White "Rossberg, Jonathan"]
[Black "Barnewitz, Max Otto"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "1027"]
[BlackElo "1310"]
[PlyCount "64"]
[EventDate "2011.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 Bf5 4. e3 e6 5. Nf3 Nc6 6. cxd5 exd5 7. Bd3 Bxd3 8. Qxd3 Be7 9. 0-0 0-0 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 Re8 13. Qg4 Bf6 14. Rd1 Nxd4 15. Nxd4 Bxd4 16. Bh6 Bxf2+ 17. Kxf2 Qf6+ 18. Bf4 Re4 19. g3 Rae8 20. Kg2 Re2+ 21. Kh3 Qxb2 22. Rd2 Rxd2 23. Bxd2 Qxa1 24. Qd7 Qe5 25. Qg4 Qe6 26. Bf4 Qxg4+ 27. Kxg4 c5 28. Bd6 c4 29. Bb4 Rd8 30. Kf3 c3 31. Ke2 c2 32. Bd2 Rc8 0-1

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2011.10.15"]
[Round "2"]
[White "Seidenstuecker, Hans Lennart"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1131"]
[BlackElo "1027"]
[PlyCount "57"]
[EventDate "2011.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[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. Bf4 d5 4. c4 c5 5. e3 Nc6 6. Nc3 cxd4 7. Nxd4 Bb4 8. Nxc6 bxc6 9. cxd5 cxd5 10. Qa4+ Bd7 11. Qxb4 a5 12. Qd4 0-0 13. Bb5 Re8 14. 0-0 Rc8 15. Rac1 Bxb5 16. Nxb5 Rxc1 17. Rxc1 Nd7 18. Nd6 e5 19. Bxe5 Rxe5 20. Rc8 Qxc8 21. Nxc8 Re8 22. Nd6 Rb8 23. h3 Rb6 24. Nf5 Rf6 25. Qxd5 Nf8 26. Ne7+ Kh8 27. Qd8 h6 28. Qxf8+ Kh7 29. Qg8# 1-0

[Event "Hannover-ch U16"]
[Site "Lehrte"]
[Date "2010.10.12"]
[Round "7"]
[White "Rossberg, Justus"]
[Black "Rossberg, Jonathan"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "883"]
[BlackElo "920"]
[PlyCount "126"]
[EventDate "2010.10.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 0-0 6. Nc3 d6 7. Nd5 Bg4 8. Bg5 a6 9. Nxf6+ gxf6 10. Bh6 Re8 11. h3 Bh5 12. Bd5 Nd4 13. Bxb7 Rb8 14. c3 Rxb7 15. cxd4 Bxd4 16. Nxd4 Bxd1 17. Raxd1 Rxb2 18. Nc6 Qd7 19. Na5 Qb5 20. Nc4 Rxa2 21. Rb1 Qa4 22. Rb7 Rc8 23. Ne3 Ra1 24. Nd5 Rxf1+ 25. Kxf1 Qa1+ 26. Ke2 a5 27. Ne7+ Kh8 28. Nxc8 Qa4 29. Nb6 Qe8 30. Nd7 Qc8 31. Ra7 f5 32. Nf6 fxe4 33. dxe4 Qb8 34. Rxa5 Qb2+ 35. Kf3 Qc3+ 36. Kg4 Qxa5 37. Kf5 c5 38. g4 c4 39. h4 c3 40. h5 c2 41. Nd5 Qc5 42. Kf6 Qxf2+ 43. Ke7 Qh4+ 44. Kf8 Qxg4 45. Nf6 Qg1 46. Ne8 c1Q 47. Bxc1 Qxc1 48. Nxd6 Qh6+ 49. Ke7 Qe6+ 50. Kf8 Qxd6+ 51. Kxf7 Qh6 52. Ke7 Qxh5 53. Ke6 Kg7 54. Kd5 Kf6 55. Kc4 Qd1 56. Kc5 Qd3 57. Kc6 Qd4 58. Kb5 Ke6 59. Kc6 h5 60. Kb5 Kd6 61. Ka5 Qb2 62. Ka6 Kc6 63. Ka5 Qb5# 0-1

[Event "Hannover-ch U16"]
[Site "Lehrte"]
[Date "2010.10.11"]
[Round "5"]
[White "Krause, Niklas"]
[Black "Rossberg, Jonathan"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1192"]
[BlackElo "920"]
[PlyCount "75"]
[EventDate "2010.10.09"]
[EventType "swiss"]
[EventRounds "7"]
[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. Bf4 Bf5 4. e3 e6 5. Nbd2 Bd6 6. Bxd6 Qxd6 7. c4 c6 8. c5 Qd8 9. b4 a5 10. Qa4 b5 11. Qa3 a4 12. Ne5 Qc7 13. f3 Nbd7 14. Nxd7 Qxd7 15. Bd3 Bxd3 16. Qxd3 0-0 17. e4 dxe4 18. fxe4 Rfd8 19. Nf3 g5 20. 0-0-0 Ng4 21. Rhf1 f6 22. Kc2 a3 23. h3 Nh6 24. Qb3 Re8 25. e5 fxe5 26. Nxe5 Qa7 27. Nxc6 Qa4 28. g4 Qxb3+ 29. Kxb3 Ra6 30. Ne5 Re7 31. Rf6 Nf7 32. Nxf7 Rxf7 33. Rxf7 Kxf7 34. Rc1 Ke7 35. c6 Kd8 36. Rc5 Kc7 37. Rxb5 Kxc6 38. Rxg5 1-0

[Event "Hannover-ch U16"]
[Site "Lehrte"]
[Date "2010.10.11"]
[Round "6"]
[White "Rossberg, Jonathan"]
[Black "Seidenstuecker, Hans Lennart"]
[Result "1/2-1/2"]
[ECO "D47"]
[WhiteElo "920"]
[BlackElo "1157"]
[PlyCount "135"]
[EventDate "2010.10.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Bd3 dxc4 6. Bxc4 c5 7. Nf3 Nbd7 8. a3 cxd4 9. exd4 Bd6 10. 0-0 0-0 11. Re1 a6 12. Bg5 b5 13. Bb3 Bb7 14. d5 e5 15. Ne4 Be7 16. a4 bxa4 17. Rxa4 Nb6 18. Nxf6+ Bxf6 19. Rg4 Bxg5 20. Nxg5 f6 21. Ne6 Qd7 22. Nxf8 Kxf8 23. Rh4 h6 24. Qd3 Nxd5 25. Bxd5 Bxd5 26. Rd1 Rc8 27. f4 Qa7+ 28. Kh1 Qb7 29. Qa3+ Kf7 30. h3 Bxg2+ 31. Kg1 exf4 32. Rxf4 Bxh3 33. Qxh3 Qb6+ 34. Rfd4 Rc4 35. Qd7+ Kg6 36. b3 Rxd4 37. Rxd4 Qxb3 38. Qg4+ Kh7 39. Rd7 Qb1+ 40. Qd1 Qg6+ 41. Kf1 Qf5+ 42. Ke1 Qe5+ 43. Qe2 Qa5+ 44. Rd2 g5 45. Kd1 Qb5 46. Qxb5 axb5 47. Rb2 h5 48. Rxb5 h4 49. Rb2 Kg6 50. Ke1 f5 51. Kf2 g4 52. Kg2 Kg5 53. Kg1 h3 54. Kh2 f4 55. Rb1 Kh4 56. Rc1 g3+ 57. Kg1 h2+ 58. Kg2 Kg4 59. Rc4 Kf5 60. Rc5+ Ke4 61. Rc4+ Ke5 62. Rc5+ Kd4 63. Rf5 Ke4 64. Rf8 Ke3 65. Re8+ Kd3 66. Rd8+ Ke4 67. Re8+ Kf5 68. Rf8+ 1/2-1/2

[Event "Hannover-ch U16"]
[Site "Lehrte"]
[Date "2010.10.10"]
[Round "4"]
[White "Danitz, Niels Luca"]
[Black "Rossberg, Jonathan"]
[Result "0-1"]
[ECO "D56"]
[WhiteElo "901"]
[BlackElo "920"]
[PlyCount "46"]
[EventDate "2010.10.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nc6 6. Nf3 h6 7. Bh4 0-0 8. Bd3 a6 9. 0-0 Nb4 10. a3 Nxd3 11. Qxd3 c6 12. Bg3 Nh5 13. Be5 f6 14. Qg6 Qe8 15. Qxe8 Rxe8 16. Bc7 dxc4 17. g4 Bd8 18. Bxd8 Rxd8 19. gxh5 b6 20. Rac1 c5 21. Na4 Bb7 22. Nd2 Rd5 23. Nxb6 Rg5# 0-1

[Event "Hannover-ch U16"]
[Site "Lehrte"]
[Date "2010.10.10"]
[Round "3"]
[White "Rossberg, Jonathan"]
[Black "Thieu, Nguyen Gia Bao"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "920"]
[BlackElo "1573"]
[PlyCount "90"]
[EventDate "2010.10.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 e6 3. Bg5 Be7 4. Nf3 0-0 5. e3 b6 6. Bd3 Bb7 7. 0-0 d6 8. Re1 Nbd7 9. e4 c5 10. Qe2 h6 11. Bh4 Nh5 12. Bxe7 Qxe7 13. Nd2 Nf4 14. Qe3 Qg5 15. g3 cxd4 16. Qxf4 Qxf4 17. gxf4 dxc3 18. bxc3 d5 19. e5 Nc5 20. Nb3 Rac8 21. Rec1 Na4 22. Rab1 Nxc3 23. Rb2 Rfd8 24. Nd4 Na4 25. Rb4 Nc5 26. Rd1 g6 27. Be2 Ne4 28. a4 Nc3 29. Rd2 Rc5 30. Nb3 Nxe2+ 31. Rxe2 Rc4 32. Rb5 Rxa4 33. Nc5 bxc5 34. Rxb7 Ra8 35. Re3 c4 36. Rh3 Kg7 37. Rg3 Re8 38. h4 h5 39. Kh2 a5 40. Rg1 Ra2 41. Ra7 Rxc2 42. Rxa5 Rxf2+ 43. Kg3 Rb2 44. Rga1 Reb8 45. Rc5 R8b3# 0-1

