[Event "Mecklenburg VP-ch Youth"]
[Site "Malchow"]
[Date "2017.02.16"]
[Round "1.6"]
[White "Marzisch, Darius"]
[Black "Rosenhahn, Nico"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1470"]
[BlackElo "1105"]
[PlyCount "41"]
[EventDate "2017.02.08"]
[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. c4 c6 5. Nc3 Be6 6. c5 Nd7 7. Nf3 Ngf6 8. Bd3 Qc7 9. Be3 g6 10. 0-0 0-0-0 11. b4 Bg4 12. a4 h5 13. h3 Bxf3 14. Qxf3 g5 15. Bxg5 Bg7 16. Bf4 Ne5 17. Bxe5 Qe7 18. Bd6 Qe8 19. Bf5+ Nd7 20. Qg3 Qg8 21. Bb8 1-0

[Event "Mecklenburg VP-ch Youth"]
[Site "Malchow"]
[Date "2017.02.16"]
[Round "6.10"]
[White "Mueller, Sophie Charlotte"]
[Black "Rosenhahn, Nico"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1094"]
[BlackElo "1105"]
[PlyCount "83"]
[EventDate "2017.02.08"]
[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. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. Nc3 c6 6. Be2 Bf5 7. 0-0 Nd7 8. Re1 Ne7 9. Nh4 Qc7 10. g3 0-0-0 11. Bg4 Bxg4 12. Qxg4 f6 13. a3 g5 14. Nf5 Nxf5 15. Qxf5 h5 16. Re6 h4 17. Ne2 hxg3 18. fxg3 Kb8 19. Bd2 Rde8 20. b4 Rhf8 21. c3 Rxe6 22. Qxe6 Nb6 23. Rf1 Nc4 24. Bc1 Be7 25. a4 a6 26. Nf4 gxf4 27. Bxf4 Nd6 28. Bh6 Qc8 29. Qxe7 Rd8 30. Rxf6 Ne4 31. Bf4+ Ka7 32. Rf7 Nxc3 33. Qc5+ Ka8 34. Qxc3 Qe6 35. Rg7 Qf6 36. Rc7 Qf5 37. Qe1 Qd3 38. Be5 Re8 39. h4 Qxd4+ 40. Bxd4 Rxe1+ 41. Kf2 Re4 42. Rc8# 1-0

[Event "Mecklenburg VP-ch Youth"]
[Site "Malchow"]
[Date "2017.02.16"]
[Round "7.9"]
[White "Naujok, Merle"]
[Black "Rosenhahn, Nico"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1078"]
[BlackElo "1105"]
[PlyCount "74"]
[EventDate "2017.02.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. d3 Nf6 3. g3 c6 4. Bg2 Bg4 5. 0-0 e6 6. Nbd2 Be7 7. e4 dxe4 8. dxe4 Nbd7 9. h3 Bh5 10. Qe1 Bxf3 11. Nxf3 0-0 12. Qe2 Nc5 13. Ne5 Qc7 14. Bf4 Bd6 15. Qe3 Rad8 16. Nd3 Nxd3 17. cxd3 Bxf4 18. gxf4 Nh5 19. f5 exf5 20. exf5 Qf4 21. Be4 Qe5 22. Rad1 Qxb2 23. Qxa7 Nf4 24. Kh2 Ra8 25. Qe3 Nd5 26. Qg3 Rxa2 27. Kg2 Nc3 28. Rde1 Nxe4 29. Rxe4 Ra1 30. Rh4 Rxf1 31. Kxf1 b5 32. Rh6 Qc1+ 33. Kg2 Qxh6 34. d4 Qf6 35. Qf4 h6 36. h4 b4 37. h5 b3 0-1

[Event "Mecklenburg VP-ch Youth"]
[Site "Malchow"]
[Date "2017.02.16"]
[Round "3.7"]
[White "Quiram, Arne"]
[Black "Rosenhahn, Nico"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1177"]
[BlackElo "1105"]
[PlyCount "81"]
[EventDate "2017.02.08"]
[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 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Qd3 Bxe4 7. Qxe4 c6 8. Bg5 Qc7 9. Bf4 Bd6 10. Bxd6 Qxd6 11. Qg4 g6 12. 0-0-0 Nf6 13. Qh4 Nbd7 14. Ne5 0-0 15. f4 b5 16. Be2 a5 17. Bf3 Nd5 18. c4 bxc4 19. Nxc4 Qb4 20. Ne5 Rab8 21. Nd3 Qxd4 22. Bxd5 cxd5 23. Qf2 Rfc8+ 24. Kb1 Rxb2+ 25. Qxb2 Rb8 26. Nb4 Qe4+ 27. Ka1 Rxb4 28. Qd2 Nc5 29. Rb1 Nd3 30. Rxb4 axb4 31. Rf1 Qd4+ 32. Kb1 Qc4 33. Qc2 Qb5 34. g4 Ne5 35. Rg1 Nf3 36. Rg3 Nd4 37. Qd2 Ne2 38. Rb3 d4 39. Qxb4 Qc6 40. Qb8+ Kg7 41. Qe5+ 1-0

[Event "Mecklenburg VP-ch Youth"]
[Site "Malchow"]
[Date "2017.02.16"]
[Round "4.8"]
[White "Rosenhahn, Nico"]
[Black "Brockmann, Ole"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1105"]
[BlackElo "1120"]
[PlyCount "120"]
[EventDate "2017.02.08"]
[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. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 0-0 6. Nc3 Bb4 7. 0-0 Be7 8. Ne2 h6 9. Be3 a6 10. c3 b5 11. Bb3 Bb7 12. Ng3 Ng4 13. Qd2 d6 14. d4 Na5 15. Bc2 Nc4 16. Qc1 Bh4 17. Nf5 Ncxe3 18. fxe3 Bg5 19. Kh1 g6 20. Ng3 Bxe3 21. Qd1 Nf2+ 22. Rxf2 Bxf2 23. Qd2 Bxg3 24. hxg3 Kg7 25. Kg1 Qd7 26. Kf2 f6 27. Rh1 h5 28. Ke2 Qg4 29. Rh3 g5 30. Kf2 Bxe4 31. Bxe4 Qxe4 32. Rxh5 Qf5 33. dxe5 dxe5 34. Kg1 Rad8 35. Qe2 Kf7 36. g4 Qf4 37. Rh7+ Kg6 38. Rxc7 Qc1+ 39. Ne1 Rd1 40. Qe4+ f5 41. Rc6+ Kh7 42. Rc7+ Kg8 43. Rg7+ Kxg7 44. Qxe5+ Kg6 45. Qe6+ Kg7 46. Qe5+ Rf6 47. Qe7+ Rf7 48. Qe5+ Kf8 49. Qc5+ Ke8 50. Qc8+ Rd8 51. Qc6+ Rfd7 52. Qe6+ Re7 53. Qc6+ Kf7 54. Qh6 Qxe1+ 55. Kh2 Qh4+ 56. Qxh4 gxh4 57. gxf5 Kf6 58. Kh3 Re4 59. g3 hxg3 60. Kxg3 Rd3+ 0-1

[Event "Mecklenburg VP-ch Youth"]
[Site "Malchow"]
[Date "2017.02.16"]
[Round "2.8"]
[White "Rosenhahn, Nico"]
[Black "Lange, Antonius"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1105"]
[BlackElo "1188"]
[PlyCount "101"]
[EventDate "2017.02.08"]
[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. Nf3 Nc6 3. Bc4 Be7 4. d3 Nf6 5. h3 0-0 6. Be3 d6 7. 0-0 Be6 8. Bb3 a6 9. Nbd2 b5 10. c3 Na5 11. d4 exd4 12. cxd4 Nxb3 13. axb3 d5 14. e5 Ne4 15. Re1 c6 16. Qe2 Qd7 17. Bf4 Nxd2 18. Qxd2 Rfc8 19. b4 Qd8 20. Qc3 Qf8 21. Bd2 Bf5 22. Qb3 Rc7 23. Rec1 f6 24. Be1 fxe5 25. Nxe5 Qe8 26. Nxc6 Be6 27. Nxe7+ Qxe7 28. Rxc7 Qxc7 29. Qe3 Qd6 30. Qg3 Qd7 31. Rc1 Rc8 32. Rxc8+ Qxc8 33. Bd2 Kh8 34. f4 Qc7 35. Qe3 Qc8 36. Qe5 Kg8 37. g4 g6 38. f5 gxf5 39. gxf5 Bxf5 40. Qxd5+ Qe6 41. Qxe6+ Bxe6 42. h4 Kf7 43. Kf2 Bd5 44. Kg3 Kf6 45. Kf4 h5 46. Be3 Be6 47. Bf2 Bd5 48. Ke3 Kf5 49. Bg3 Kg4 50. Be1 Bc4 51. Ke4 1-0

[Event "Mecklenburg VP-ch Youth"]
[Site "Malchow"]
[Date "2017.02.16"]
[Round "5.8"]
[White "Rosenhahn, Nico"]
[Black "Thote, Christian"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1105"]
[BlackElo "1085"]
[PlyCount "62"]
[EventDate "2017.02.08"]
[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 Nc6 3. d4 cxd4 4. cxd4 g6 5. Nf3 Bg7 6. Be3 Nf6 7. Nc3 Qa5 8. Bd2 Qb6 9. Be3 Qxb2 10. Na4 Qb4+ 11. Bd2 Qa3 12. e5 Ne4 13. Bc1 Qb4+ 14. Ke2 b5 15. Qd3 bxa4 16. Qxe4 Ba6+ 17. Kd1 Bxf1 18. Rxf1 0-0 19. Qh4 Rfd8 20. Bh6 d6 21. Bxg7 Kxg7 22. Rc1 Nxd4 23. Nxd4 dxe5 24. Ke2 Rxd4 25. Qg5 Qb2+ 26. Kf3 Qa3+ 27. Ke2 Qd3+ 28. Ke1 f6 29. Qe3 Re4 30. Rd1 Rxe3+ 31. fxe3 Qxe3# 0-1

[Event "Mecklenburg VP U14"]
[Site "Malchow"]
[Date "2016.02.02"]
[Round "1.3"]
[White "Altenstein, Jonas"]
[Black "Rosenhahn, Nico"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1444"]
[BlackElo "1086"]
[PlyCount "71"]
[EventDate "2016.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. d4 Qb6 5. Nc3 a6 6. Rb1 Nc6 7. Be3 Nh6 8. Na4 Qb4+ 9. c3 Qa5 10. dxc5 Rb8 11. Bd3 Ng4 12. b4 Qc7 13. Bd4 Ngxe5 14. Nxe5 Nxe5 15. Be2 Bd7 16. Nb6 Bb5 17. Bxb5+ axb5 18. Qe2 f6 19. Qxb5+ Qc6 20. Qe2 Nc4 21. b5 Qc7 22. Nxd5 Qd7 23. Nxf6+ gxf6 24. Qxc4 e5 25. Be3 Rd8 26. 0-0 Qg7 27. Qe6+ Be7 28. c6 Rg8 29. g3 f5 30. c7 Rd6 31. c8Q+ Rd8 32. Qed7+ Kf7 33. Qxf5+ Ke8 34. Qxb7 Rf8 35. Qc6+ Rd7 36. Qcxd7# 1-0

[Event "Mecklenburg VP U14"]
[Site "Malchow"]
[Date "2016.02.02"]
[Round "3.5"]
[White "Eulitz, Charlotte"]
[Black "Rosenhahn, Nico"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1457"]
[BlackElo "1086"]
[PlyCount "71"]
[EventDate "2016.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. c3 Ne7 6. Nf3 Bg4 7. 0-0 0-0 8. Be3 c6 9. Nbd2 Qc7 10. h3 Bxf3 11. Nxf3 Nd7 12. Qc2 Nf6 13. Bg5 Ng6 14. Rfe1 Rfe8 15. Rad1 Rxe1+ 16. Rxe1 Nd7 17. Nh4 Ndf8 18. Nf5 Bf4 19. Bxf4 Qxf4 20. Ne7+ Nxe7 21. Rxe7 Qd6 22. Rxb7 Ng6 23. Qa4 a5 24. Rb6 Ne7 25. c4 g6 26. cxd5 Qxd5 27. Rb7 Nf5 28. Bc4 Qd6 29. Bxf7+ Kh8 30. d5 cxd5 31. Qd7 Qxd7 32. Rxd7 d4 33. Be6 Ng7 34. Bg4 h5 35. Bf3 Nf5 36. Bxa8 1-0

[Event "Mecklenburg VP U14"]
[Site "Malchow"]
[Date "2016.02.02"]
[Round "5.10"]
[White "Kunz, Nelli"]
[Black "Rosenhahn, Nico"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "971"]
[BlackElo "1086"]
[PlyCount "112"]
[EventDate "2016.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 d5 4. Nf3 Be7 5. Bf4 0-0 6. e3 Nbd7 7. Bd3 a6 8. a4 c6 9. b3 Re8 10. c5 Nf8 11. Ne5 Bd7 12. 0-0 Qc8 13. Rb1 Bd8 14. b4 b5 15. a5 Bc7 16. f3 Qb8 17. Qd2 Bc8 18. Rfe1 N8d7 19. Nxd7 Bxd7 20. h4 Bxf4 21. exf4 Nh5 22. g4 Nxf4 23. Ne2 Nxe2+ 24. Rxe2 e5 25. Bc2 exd4 26. Rxe8+ Bxe8 27. Qxd4 Qg3+ 28. Kh1 Qxf3+ 29. Kg1 Qg3+ 30. Kf1 Qh3+ 31. Kg1 Bd7 32. Bf5 Bxf5 33. gxf5 Re8 34. Qd2 Qxf5 35. Rf1 Qg4+ 36. Qg2 Qxg2+ 37. Kxg2 Re2+ 38. Kf3 Re4 39. Rd1 Rxb4 40. Re1 Re4 41. Rd1 Rxh4 42. Ke3 Re4+ 43. Kd3 f5 44. Rf1 g6 45. Kd2 h5 46. Rd1 Kf7 47. Kd3 Kf6 48. Re1 Rxe1 49. Kd2 Re4 50. Kd3 f4 51. Kd2 f3 52. Kd3 f2 53. Kd2 f1Q 54. Kc3 Qf3+ 55. Kd2 Re2+ 56. Kd1 Qf1# 0-1

[Event "Mecklenburg VP U14"]
[Site "Malchow"]
[Date "2016.02.02"]
[Round "2.9"]
[White "Rosenhahn, Nico"]
[Black "Hackmann, Anton"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1086"]
[BlackElo "884"]
[PlyCount "33"]
[EventDate "2016.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Bg5 h6 6. Be3 Be7 7. Nc3 0-0 8. 0-0 d6 9. Nh4 Ng4 10. Nf5 Bxf5 11. exf5 Nf6 12. Qf3 Nb4 13. Qg3 d5 14. Bb3 d4 15. Bxh6 g6 16. Qxg6+ Kh8 17. Qg7# 1-0

[Event "Mecklenburg VP U14"]
[Site "Malchow"]
[Date "2016.02.02"]
[Round "7.7"]
[White "Rosenhahn, Nico"]
[Black "Langer, Robert"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1086"]
[BlackElo "1641"]
[PlyCount "41"]
[EventDate "2016.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 Bg7 5. Nf3 d6 6. Nc3 Nc6 7. Be2 Nf6 8. 0-0 0-0 9. Be3 a6 10. h3 b5 11. Qd2 Bb7 12. Nd5 Nxd5 13. exd5 Nb8 14. Rac1 Bxd5 15. b3 Nd7 16. Bh6 Rc8 17. Bxg7 Kxg7 18. Ng5 Rxc1 19. Rxc1 f6 20. Bf3 Bxf3 21. Ne6+ 1-0

[Event "Mecklenburg VP U14"]
[Site "Malchow"]
[Date "2016.02.02"]
[Round "4.8"]
[White "Rosenhahn, Nico"]
[Black "Toemer, Axel"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1086"]
[BlackElo "1120"]
[PlyCount "88"]
[EventDate "2016.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nc3 Nf6 5. Nf3 Bg4 6. Be2 e6 7. 0-0 Bb4 8. Bg5 Nc6 9. a3 Ba5 10. Ne5 Bxe2 11. Qxe2 Nxd4 12. Qd3 Nc6 13. Qb5 Qb6 14. Bxf6 Bxc3 15. Qxb6 axb6 16. Nxc6 Bxf6 17. Nb4 Bxb2 18. Rab1 Bxa3 19. Nd3 Bc5 20. Nb4 Ke7 21. Nd3 Rhb8 22. Nxc5 bxc5 23. h3 b5 24. Rbc1 c4 25. Rfd1 Kd6 26. c3 b4 27. cxb4 Rxb4 28. Rd4 g6 29. Kf1 Ra2 30. Ke1 Rbb2 31. Rf4 f5 32. Rd1 Kc5 33. Rf3 d4 34. g4 c3 35. gxf5 exf5 36. Rf4 c2 37. Rc1 Rb1 38. Kd2 Rxc1 39. Kxc1 d3 40. f3 Ra1+ 41. Kd2 c1Q+ 42. Kxd3 Ra3+ 43. Ke2 Qc2+ 44. Kf1 Ra1# 0-1

[Event "Mecklenburg VP U14"]
[Site "Malchow"]
[Date "2016.02.02"]
[Round "6.6"]
[White "Stadach, Pepe"]
[Black "Rosenhahn, Nico"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1240"]
[BlackElo "1086"]
[PlyCount "129"]
[EventDate "2016.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bf4 Bd6 5. Bg3 Bf5 6. Nc3 c6 7. Bd3 Bxd3 8. cxd3 Nf6 9. Nf3 0-0 10. 0-0 Re8 11. Re1 Qc7 12. Be5 Nbd7 13. Bxd6 Qxd6 14. Qb3 b5 15. a3 Re6 16. Qb4 Rae8 17. Qxd6 Rxd6 18. Rxe8+ Nxe8 19. Re1 Nef6 20. Ne5 Re6 21. Kf1 Nxe5 22. dxe5 Ng4 23. h3 Nxe5 24. d4 Nd3 25. Rxe6 fxe6 26. b4 e5 27. dxe5 Nxe5 28. Ke2 Kf7 29. Ke3 Ke6 30. Kd4 Kd6 31. f4 Nc4 32. a4 bxa4 33. Nxa4 a5 34. bxa5 Nxa5 35. g4 Nb3+ 36. Kc3 Nc5 37. Nb2 Ne4+ 38. Kd3 Nf2+ 39. Ke3 Nxh3 40. Kf3 c5 41. Kg3 Ng1 42. Kf2 Nh3+ 43. Kg3 Nxf4 44. Kxf4 c4 45. Ke3 c3 46. Nd3 g6 47. g5 Ke6 48. Kf4 c2 49. Kg4 d4 50. Kf4 Kd5 51. Nc1 d3 52. Ke3 d2 53. Kxd2 Ke4 54. Kxc2 Kf4 55. Kd2 Kxg5 56. Ke1 h5 57. Kf2 Kg4 58. Kg2 h4 59. Ne2 h3+ 60. Kh2 g5 61. Ng1 Kh4 62. Nxh3 g4 63. Ng1 g3+ 64. Kg2 Kg4 65. Ne2 1/2-1/2

[Event "Mecklenburg VP-ch U12"]
[Site "Malchow"]
[Date "2015.04.03"]
[Round "4.10"]
[White "Rosenhahn, Nico"]
[Black "Mauser, Tarik Gino"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "798"]
[BlackElo "909"]
[PlyCount "81"]
[EventDate "2015.01.31"]
[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. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nge7 5. Be3 d6 6. Nc3 Nd4 7. Nd5 Nxf3+ 8. Qxf3 Bxe3 9. Nxe3 Be6 10. 0-0 Bxc4 11. Nxc4 Nc6 12. c3 Qd7 13. Qg3 g6 14. b4 0-0-0 15. a4 f5 16. b5 Ne7 17. f3 Rhf8 18. a5 Rf7 19. b6 cxb6 20. axb6 axb6 21. Nxb6+ Kc7 22. Nxd7 Kxd7 23. Rab1 Rdf8 24. Rxb7+ Kc6 25. Rfb1 fxe4 26. R1b6+ Kd5 27. c4+ Ke6 28. Qh3+ Kf6 29. Rxd6+ Kg7 30. Qg3 exd3 31. Qxe5+ Kg8 32. Rxe7 Rxe7 33. Qxe7 d2 34. Rxd2 Rf7 35. Rd8+ Kg7 36. Qxf7+ Kxf7 37. c5 Ke7 38. Rd1 h5 39. c6 Kf6 40. c7 g5 41. c8Q 1-0

[Event "Mecklenburg VP-ch U12"]
[Site "Malchow"]
[Date "2015.02.04"]
[Round "7.10"]
[White "Rosenhahn, Nico"]
[Black "Peilert, Janno"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "798"]
[BlackElo "978"]
[PlyCount "84"]
[EventDate "2015.01.31"]
[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. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 h6 6. Bxf6 Qxf6 7. Nc3 d6 8. Nd5 Qd8 9. c3 0-0 10. 0-0 a6 11. d4 exd4 12. cxd4 Ba7 13. e5 dxe5 14. dxe5 Re8 15. Re1 Bg4 16. Qd3 Bxf3 17. Qxf3 Nxe5 18. Qc3 Qd6 19. Bb3 Rac8 20. Kh1 Bxf2 21. Re2 Ba7 22. Rae1 f6 23. Nxc7+ Kh7 24. Bc2+ Kh8 25. Nxe8 Rxe8 26. Ba4 Rd8 27. Rxe5 fxe5 28. Rxe5 Bd4 29. Qxd4 Qxd4 30. Re1 Qxa4 31. h3 Rd1 32. Rxd1 Qxd1+ 33. Kh2 g5 34. b4 Qa4 35. a3 Qxa3 36. g4 Qxb4 37. Kg3 Kg7 38. h4 gxh4+ 39. Kxh4 a5 40. Kh5 a4 41. g5 hxg5 42. Kxg5 Qc5+ 0-1

[Event "Mecklenburg VP-ch U12"]
[Site "Malchow"]
[Date "2015.02.03"]
[Round "6.9"]
[White "Focke, Yannick"]
[Black "Rosenhahn, Nico"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "970"]
[BlackElo "798"]
[PlyCount "47"]
[EventDate "2015.01.31"]
[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. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. Nc3 c6 6. Bd3 Ne7 7. 0-0 Bf5 8. Bg5 f6 9. Bh4 0-0 10. Re1 Nd7 11. Qd2 Bxd3 12. Qxd3 g5 13. Bg3 g4 14. Bxd6 Qb6 15. Bxe7 Rfe8 16. Nh4 Qxb2 17. Rab1 Qb6 18. Rxb6 Nxb6 19. Qf5 Nc4 20. Qxg4+ Kf7 21. Qh5+ Kg8 22. Nf5 Nd2 23. Qg4+ Kf7 24. Qg7# 1-0

[Event "Mecklenburg VP-ch U12"]
[Site "Malchow"]
[Date "2015.02.03"]
[Round "5.9"]
[White "Rosenhahn, Nico"]
[Black "Warda, Michelangelo"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "798"]
[BlackElo "927"]
[PlyCount "92"]
[EventDate "2015.01.31"]
[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. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Bg5 d6 6. Nc3 h6 7. Bxf6 Qxf6 8. Nd5 Qd8 9. c3 Be6 10. 0-0 0-0 11. d4 Bb6 12. dxe5 Nxe5 13. Nxe5 dxe5 14. Qf3 c6 15. Ne3 Bxe3 16. Qxe3 Bxc4 17. Rfe1 Be6 18. Qg3 Qg5 19. Qxg5 hxg5 20. Rad1 Rfd8 21. b3 Rxd1 22. Rxd1 f6 23. g3 Kf7 24. Rf1 Rd8 25. f4 gxf4 26. gxf4 exf4 27. Rxf4 Rd1+ 28. Rf1 Rxf1+ 29. Kxf1 f5 30. exf5 Bxf5 31. Ke2 Ke6 32. Ke3 Ke5 33. c4 b5 34. cxb5 cxb5 35. a4 bxa4 36. bxa4 g5 37. a5 a6 38. Kd2 Kd4 39. Kc1 Kc3 40. Kd1 Kb4 41. Kc1 Kxa5 42. Kb2 Kb4 43. Ka1 Kb3 44. h3 Bxh3 45. Kb1 g4 46. Kc1 g3 0-1

[Event "Mecklenburg VP-ch U12"]
[Site "Malchow"]
[Date "2015.02.01"]
[Round "3.9"]
[White "Lange, Antonius"]
[Black "Rosenhahn, Nico"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "997"]
[BlackElo "798"]
[PlyCount "123"]
[EventDate "2015.01.31"]
[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. Nf3 d5 3. exd5 exd5 4. Nc3 Nf6 5. d4 Bd6 6. Bg5 c6 7. h3 h6 8. Bh4 Bf5 9. Bd3 Bxd3 10. cxd3 0-0 11. 0-0 Re8 12. Re1 Nbd7 13. Rxe8+ Qxe8 14. Qe1 Nf8 15. Bxf6 gxf6 16. Qe2 Qxe2 17. Nxe2 Re8 18. Ng3 Bxg3 19. fxg3 Ng6 20. Rf1 Re2 21. Rb1 f5 22. h4 h5 23. Kf1 Rc2 24. Kg1 f4 25. Kh2 f6 26. Kh3 f5 27. a3 fxg3 28. Kxg3 f4+ 29. Kh3 b5 30. b4 Rc3 31. Ne5 Nxe5 32. dxe5 Rxd3+ 33. Kh2 Re3 34. Rf1 Rxe5 35. Rxf4 Re3 36. Rf6 d4 37. Rxc6 d3 38. Kg1 d2 39. Rc8+ Kf7 40. Rd8 d1Q+ 41. Rxd1 Rxa3 42. Rd5 Ra1+ 43. Kf2 Ra2+ 44. Kg3 a6 45. Rxh5 Rb2 46. Rf5+ Ke6 47. Rf4 Rb3+ 48. Kg4 Rb2 49. g3 Ke5 50. h5 Rh2 51. Kg5 Ke6 52. Rh4 Rxh4 53. gxh4 Kf7 54. h6 Kg8 55. Kg6 Kh8 56. Kg5 Kh7 57. h5 Kh8 58. Kg6 Kg8 59. h7+ Kh8 60. Kh6 a5 61. bxa5 b4 62. a6 1-0

[Event "Mecklenburg VP-ch U12"]
[Site "Malchow"]
[Date "2015.02.01"]
[Round "2.10"]
[White "Rosenhahn, Nico"]
[Black "Quiram, Arne"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "798"]
[BlackElo "918"]
[PlyCount "80"]
[EventDate "2015.01.31"]
[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. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Bg5 0-0 6. Nc3 d6 7. Nd5 Be6 8. Nxf6+ gxf6 9. Bh6 Re8 10. Nh4 Kh8 11. Nf5 Bxf5 12. exf5 Qd7 13. Qg4 Rg8 14. Qh4 Qe7 15. 0-0-0 Nd4 16. c3 Nxf5 17. Qh5 Nxh6 18. Qxh6 Bxf2 19. Bd5 c6 20. Be4 Rg7 21. Kb1 Qe6 22. Rdf1 f5 23. Qxe6 fxe6 24. Bf3 Bc5 25. Rd1 Bb6 26. d4 e4 27. Be2 Rxg2 28. Rhg1 Rxe2 29. h3 Rg8 30. h4 Rgg2 31. Rxg2 Rxg2 32. h5 Rh2 33. Rg1 e3 34. Kc1 f4 35. Kd1 f3 36. Rg3 e2+ 37. Kd2 Rf2 38. h6 Rf1 39. Rg4 e1Q+ 40. Kc2 Qd1# 0-1

[Event "Mecklenburg VP-ch U12"]
[Site "Malchow"]
[Date "2015.01.31"]
[Round "1.10"]
[White "Trampnau, Jan Niklas"]
[Black "Rosenhahn, Nico"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1012"]
[BlackElo "798"]
[PlyCount "65"]
[EventDate "2015.01.31"]
[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. Nf3 Nf6 3. Bf4 e6 4. e3 Be7 5. Be2 0-0 6. 0-0 Nbd7 7. c4 c6 8. c5 b5 9. b4 Ne4 10. Nbd2 Nc3 11. Qe1 Nf6 12. Bd3 Nfe4 13. Ne5 Bf6 14. Nxc6 Qe8 15. Ne5 a5 16. a3 axb4 17. axb4 Rxa1 18. Qxa1 Bb7 19. Qa7 Qe7 20. Qb6 Na4 21. Qxb5 Nac3 22. Qd7 Bg5 23. Qxe7 Bxe7 24. Nxe4 dxe4 25. Bc4 Ra8 26. h3 Ba6 27. Ra1 Bf6 28. Rxa6 Rxa6 29. Bxa6 Bxe5 30. Bxe5 Na2 31. c6 Nxb4 32. c7 Nxa6 33. c8R# 1-0

