[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2016.04.02"]
[Round "6"]
[White "Frese, Immo"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "D56"]
[WhiteElo "1814"]
[BlackElo "1470"]
[PlyCount "33"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 Nc6 6. e3 0-0 7. Rc1 h6 8. Bh4 a6 9. Bd3 dxc4 10. Bxc4 Nh5 11. Bxe7 Qxe7 12. 0-0 Nf6 13. Re1 Bd7 14. e4 e5 15. Nd5 Nxd5 16. exd5 Na7 17. dxe5 1-0

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2016.03.19"]
[Round "5"]
[White "Poschadel, Andreas Gregor"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C49"]
[WhiteElo "1222"]
[BlackElo "1470"]
[PlyCount "128"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Bb4 5. d3 d6 6. 0-0 Bg4 7. Bd2 a6 8. Bxc6+ bxc6 9. a3 Bc5 10. Qe2 h6 11. Be3 Bb6 12. Rac1 0-0 13. h3 Bh5 14. Rfe1 Re8 15. Nb1 d5 16. Bxb6 cxb6 17. Nbd2 Bxf3 18. Nxf3 dxe4 19. dxe4 a5 20. Rcd1 Qe7 21. Nd2 Rad8 22. Nc4 Qc5 23. Rc1 Rd4 24. Nd2 Qd6 25. Rcd1 Rd8 26. Nc4 Qc5 27. c3 Rxd1 28. Rxd1 Rxd1+ 29. Qxd1 Qxc4 30. Qd8+ Kh7 31. Qxb6 Qb5 32. Qxb5 cxb5 33. f3 Nd7 34. Kf2 Nc5 35. b4 axb4 36. cxb4 Na4 37. Ke3 Kg6 38. g4 Kg5 39. Kf2 Kh4 40. Kg2 Nb2 41. g5 Nc4 42. gxh6 gxh6 43. Kh2 Nxa3 44. Kg2 Nc2 45. Kf2 Nxb4 46. Ke2 Na2 47. Kd3 Kxh3 48. Kc2 Kg3 49. Kb3 h5 50. Kxa2 h4 51. Kb2 h3 52. Kc2 h2 53. Kb3 h1Q 54. Kb4 Qc1 55. Kxb5 Qc3 56. Kb6 Qc4 57. Kb7 Qc5 58. Kb8 Qc6 59. Ka7 Qb5 60. Ka8 Kxf3 61. Ka7 Kxe4 62. Ka8 Kd5 63. Ka7 Kc6 64. Ka8 Qb7# 0-1

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2016.02.13"]
[Round "4"]
[White "Wehrhahn, Duncan"]
[Black "Braun, Alexander"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1470"]
[BlackElo "1754"]
[PlyCount "56"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 Bg7 3. d4 d6 4. Nc3 Nf6 5. Bg5 c6 6. Bc4 0-0 7. 0-0 Nxe4 8. Nxe4 d5 9. Bxd5 cxd5 10. Nc3 Nc6 11. Be3 Bg4 12. h3 Bxf3 13. Qxf3 e5 14. Nxd5 exd4 15. Bf4 Rc8 16. a3 d3 17. Qxd3 Nd4 18. Nc3 Qf6 19. Be3 Rfd8 20. Bxd4 Rxd4 21. Qb5 Qd6 22. Qxb7 Rb8 23. Qxa7 Rxb2 24. Rab1 Rxb1 25. Rxb1 Be5 26. g4 Kg7 27. Qb6 Qxa3 28. Nb5 Qxh3 0-1

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2016.02.06"]
[Round "3"]
[White "Pubantz, Jan"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "1501"]
[BlackElo "1470"]
[PlyCount "47"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 b6 5. Nf3 Bb7 6. Ne5 Nbd7 7. Qa4 Bd6 8. Nc6 Bxc6 9. Qxc6 Bb4+ 10. Nc3 0-0 11. a3 Bxc3+ 12. bxc3 dxc4 13. Qxa8 Qxa8 14. Bxa8 Rxa8 15. Bf4 c5 16. e3 Ne4 17. Rc1 g5 18. f3 gxf4 19. fxe4 fxe3 20. Ke2 Nf6 21. Kxe3 Rd8 22. Rcd1 cxd4+ 23. Rxd4 Ng4+ 24. Ke2 1-0

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2016.01.16"]
[Round "1"]
[White "Wehrhahn, Duncan"]
[Black "Majewski, Thomas"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "1470"]
[BlackElo "1770"]
[PlyCount "52"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 Qc7 6. Nb5 Qb8 7. N1c3 a6 8. Nd4 Nf6 9. Bd3 Be7 10. f4 Nxd4 11. Bxd4 Qxf4 12. Qe2 e5 13. g3 Qg5 14. Be3 Qg4 15. 0-0-0 Qxe2 16. Bxe2 b5 17. Nd5 Nxd5 18. Rxd5 d6 19. Rd3 Bb7 20. Rhd1 Bxe4 21. Rc3 0-0 22. Rc7 Rac8 23. Rxc8 Rxc8 24. Bd3 Bf3 25. Rd2 d5 26. c3 d4 0-1

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2016.01.06"]
[Round "7"]
[White "Block, Timo"]
[Black "Wehrhahn, Duncan"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1269"]
[BlackElo "1470"]
[PlyCount "104"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. 0-0 d6 7. Be3 Bb6 8. Nbd2 Bg4 9. Re1 Re8 10. Nf1 h6 11. Ng3 Qd7 12. h3 Be6 13. Bb3 Bxe3 14. fxe3 a6 15. d4 Bxb3 16. Qxb3 Rab8 17. Nh4 Kh7 18. Qc2 Kh8 19. Rad1 d5 20. exd5 Qxd5 21. e4 Qa5 22. d5 Ne7 23. b4 Qb6+ 24. Kh1 Rbd8 25. Qe2 a5 26. a3 axb4 27. axb4 Rd7 28. Nhf5 Nxf5 29. Nxf5 Red8 30. Ng3 c6 31. dxc6 Qxc6 32. Rxd7 Rxd7 33. Qc2 Qc4 34. Re3 h5 35. h4 Rc7 36. Qd2 Rd7 37. Qc2 Qa6 38. Qb1 Qa4 39. Re1 Qb5 40. Re3 Qb6 41. Re2 g6 42. Qf1 Rd3 43. Rf2 Rd1 44. Qxd1 Qxf2 45. Qf3 Qe1+ 46. Kh2 Ng4+ 47. Kh3 Qg1 48. Nf1 Nf2+ 49. Kg3 Nxe4+ 50. Qxe4 Qxf1 51. Qxe5+ Kg8 52. Qe4 Qb5 1/2-1/2

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2016.01.05"]
[Round "5"]
[White "Dopmann, Jan"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1324"]
[BlackElo "1470"]
[PlyCount "92"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Bb5 Nge7 7. 0-0 a6 8. Bd3 d6 9. Nc3 Be6 10. Re1 Qd7 11. Bg5 f6 12. Be3 Bxe3 13. Rxe3 0-0-0 14. Qf1 Nb4 15. Nd4 Nxd3 16. Nxe6 Qxe6 17. Qxd3 g5 18. Nd5 Nc6 19. Qc3 f5 20. Qf6 Qxf6 21. Nxf6 Nb4 22. Re2 fxe4 23. Nxe4 Rde8 24. Rae1 Re5 25. c3 Nd3 26. Rb1 Rhe8 27. f3 d5 28. Rd1 dxe4 29. fxe4 Nf4 30. Red2 Rxe4 31. Rf2 Re1+ 32. Rxe1 Rxe1+ 33. Rf1 Rxf1+ 34. Kxf1 Kd7 35. g3 Nd3 36. b3 Nc1 37. Ke1 Nxa2 38. Kd2 b5 39. b4 c5 40. bxc5 b4 41. cxb4 Nxb4 42. Kc3 Nd5+ 43. Kd4 Kc6 44. Kc4 a5 45. Kd4 Nb4 46. Kc4 Na6 0-1

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2016.01.05"]
[Round "6"]
[White "Wehrhahn, Duncan"]
[Black "Brunner, Sophia"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1470"]
[BlackElo "1585"]
[PlyCount "55"]
[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 d5 2. exd5 Qxd5 3. Nf3 Nf6 4. d4 Bg4 5. Be2 e6 6. 0-0 Be7 7. Be3 0-0 8. c4 Qd8 9. Nc3 c6 10. a3 Qc7 11. Ne5 Bxe2 12. Qxe2 Nbd7 13. f4 Nb6 14. Rf3 c5 15. Rd1 cxd4 16. Bxd4 Bc5 17. Bxc5 Qxc5+ 18. Qe3 Rac8 19. Qxc5 Rxc5 20. b3 Rcc8 21. Rfd3 Rfe8 22. Nb5 Ne4 23. Nd6 Nxd6 24. Rxd6 Kf8 25. Nd7+ Nxd7 26. Rxd7 Rb8 27. Kf2 Re7 28. Rd8+ 1/2-1/2

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2016.01.04"]
[Round "3"]
[White "Vladi, Ramesh"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1099"]
[BlackElo "1470"]
[PlyCount "78"]
[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 e6 3. Nf3 Nf6 4. Bf4 c5 5. e3 Nc6 6. Ne5 cxd4 7. Nxc6 bxc6 8. exd4 Qb6 9. Qa4 Bd7 10. Qb3 Qxd4 11. Qb7 Rc8 12. Be3 Qe5 13. Be2 Bd6 14. g3 dxc4 15. 0-0 h5 16. Bxc4 h4 17. Bf4 Qe4 18. Nd2 Qd4 19. Be3 Qg4 20. f3 Qh3 21. Bxe6 fxe6 22. Nc4 Bb8 23. Kf2 hxg3+ 24. Ke1 gxh2 25. Bxa7 h1Q 26. Nd2 Qg3+ 27. Ke2 Rh2+ 28. Bf2 Qe5+ 29. Kd3 Qd5+ 30. Ke2 Qg2 31. Qb6 Qb5+ 32. Qxb5 cxb5 33. Ne4 Nxe4 34. fxe4 Rc2+ 35. Ke3 Ba7+ 36. Kd3 Rxf2 37. Rxf2 Qg3+ 38. Kc2 Rxf2+ 39. Kb1 Qg1# 0-1

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2016.01.04"]
[Round "4"]
[White "Wehrhahn, Duncan"]
[Black "Monnerjahn, Lukas"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1470"]
[BlackElo "1287"]
[PlyCount "105"]
[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 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 Nf6 6. Bg5 Be7 7. Bxf6 Bxf6 8. Nd6+ Ke7 9. Nc3 Nd4 10. Nxc8+ Rxc8 11. Nd5+ Kf8 12. c3 Ne6 13. Nxf6 gxf6 14. Qa4 a6 15. Qb4+ Nc5 16. Rd1 Rg8 17. g3 d6 18. Bg2 Rc6 19. 0-0 Qb6 20. Qxb6 Rxb6 21. b3 Ke7 22. f4 Rc6 23. Rd2 h6 24. fxe5 fxe5 25. Rdf2 Rf8 26. Rf6 d5 27. Rxc6 bxc6 28. exd5 cxd5 29. Bxd5 Rd8 30. Rxf7+ Ke8 31. Bc4 Rd1+ 32. Kg2 Rd2+ 33. Kh3 Rxa2 34. Rf6 Rc2 35. Bxa6 Nxa6 36. Rxa6 Rxc3 37. Rxh6 Kf7 38. b4 Rb3 39. Rb6 e4 40. Kg4 e3 41. Kf3 Rb2 42. Kxe3 Rxh2 43. b5 Rb2 44. Rb7+ Ke6 45. Kf4 Rf2+ 46. Kg5 Rf5+ 47. Kg4 Rc5 48. b6 Rb5 49. Kh4 Kf5 50. Rb8 Kg6 51. b7 Rb4+ 52. g4 Kf7 53. Rh8 1-0

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2016.01.03"]
[Round "1"]
[White "Gahrens, Juergen"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1205"]
[BlackElo "1470"]
[PlyCount "82"]
[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. Nc3 e6 3. e4 dxe4 4. f3 Bb4 5. Be3 Nf6 6. Nh3 Nc6 7. a3 Bxc3+ 8. bxc3 exf3 9. Qxf3 Qe7 10. Bd3 Bd7 11. Qg3 e5 12. 0-0 Bxh3 13. Qxh3 Rd8 14. Bg5 Qd6 15. Rae1 Kf8 16. Rxf6 gxf6 17. Qh6+ Ke8 18. Bxf6 Qe6 19. Qg7 Kd7 20. d5 Qxd5 21. Bf5+ Kd6 22. Bxd8 Rxd8 23. Qg4 Qc5+ 24. Kf1 Qxc3 25. Rd1+ Nd4 26. Qg5 Rc8 27. Qf6+ Kc5 28. Bxh7 Qe3 29. Qf2 Qxf2+ 30. Kxf2 Rh8 31. Be4 Rxh2 32. Bxb7 Nxc2 33. Rc1 Kb6 34. Bd5 Nxa3 35. Bxf7 Rh4 36. g3 Rh6 37. Ke3 a5 38. Rc3 Nb5 39. Rc1 Rc6 40. Rb1 a4 41. g4 Ka5 0-1

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2016.01.03"]
[Round "2"]
[White "Wehrhahn, Duncan"]
[Black "Schlie, Johann"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1470"]
[BlackElo "1204"]
[PlyCount "79"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bd2 Qb6 6. Bb5+ Nc6 7. d5 Ng4 8. Qe2 a6 9. dxc6 axb5 10. cxb7 Qxb7 11. Qxb5+ Qxb5 12. Nxb5 Kd7 13. h3 Nf6 14. Nf3 Rb8 15. a4 c6 16. Nc3 Rxb2 17. a5 Ba6 18. 0-0-0 Rb7 19. Na4 e6 20. Ne5+ Kc7 21. Bf4 Ba3+ 22. Kd2 Bd6 23. Ke1 Rd8 24. Nxf7 Rbb8 25. Bxd6+ Rxd6 26. Rxd6 Ne4 27. Rd4 c5 28. Rd1 Rb4 29. Nb6 Nc3 30. Rd7+ Kc6 31. Kd2 Ne4+ 32. Ke3 Nf6 33. Ne5+ Kb5 34. Rc7 Re4+ 35. Kf3 Rxe5 36. Rb1+ Kxa5 37. Ra7 Rf5+ 38. Kg3 e5 39. Nc4+ Ka4 40. Rxa6# 1-0

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2015.11.01"]
[Round "7"]
[White "Rausch, Darius"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1187"]
[BlackElo "1388"]
[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. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Bg5 h6 7. Bh4 g5 8. Bg3 Nxe4 9. Qe2 Nxd4 10. Qxe4+ Qe7 11. Qxe7+ Kxe7 12. 0-0-0 Ne6 13. Nd5+ Kd8 14. Nxb4 f5 15. Be5 Rf8 16. Bc4 d6 17. Bxe6 Bxe6 18. Bg7 Re8 19. Rhe1 h5 20. Bf6+ Kd7 21. Bxg5 Rg8 22. h4 Rae8 23. Nd5 Bxd5 24. Rxe8 Rxe8 25. Rxd5 Ke6 26. Rd3 Kf7 27. Re3 Rxe3 28. Bxe3 Ke6 29. Kd2 Ke5 30. Bxa7 b6 31. Bb8 c5 32. Bc7 b5 33. Bd8 d5 34. c3 c4 35. Ke3 f4+ 36. Kf3 d4 37. Bc7+ Kd5 38. Bxf4 d3 39. Ke3 Kc5 40. b4+ cxb3 41. axb3 d2 42. Kxd2 b4 43. cxb4+ Kxb4 44. Ke3 Kxb3 45. Ke4 Kc3 46. Kf5 Kd3 47. Kg5 Ke2 48. Be3 1-0

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2015.10.31"]
[Round "6"]
[White "Wehrhahn, Duncan"]
[Black "Brockmeyer, Tobias"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1388"]
[BlackElo "1551"]
[PlyCount "110"]
[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 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Qa5 10. f4 Ba6 11. Bxa6 Qxa6 12. e6 Bxd4 13. Qxd4 Nf6 14. exd7+ Kd8 15. Ne4 Qa5+ 16. b4 Qd5 17. Qxd5 Nxd5 18. Ng5 Kxd7 19. Nxf7 Rhf8 20. Ne5+ Kc7 21. Nd3 Nxf4 22. Nxf4 Rxf4 23. c3 Re4+ 24. Kf2 Rf8+ 25. Kg3 Re3+ 26. Kg4 Rxc3 27. Rhc1 Rxc1 28. Rxc1 Rf2 29. Re1 Kd7 30. Rd1+ Ke8 31. Kg3 Rxa2 32. Rc1 Ra6 33. Kg4 Rb6 34. Rc4 h6 35. Kf4 Rb5 36. Rxc6 Rxb4+ 37. Kf3 Kf7 38. Ra6 Rb7 39. h4 e6 40. g4 Kf6 41. Ra5 Re7 42. Ke4 Rb7 43. Kf3 Ke7 44. Ke4 Kd7 45. Ra6 Ke7 46. Ke5 Kf7 47. g5 h5 48. Ra4 Rb5+ 49. Ke4 a5 50. Kf3 Ke7 51. Ke3 Kd6 52. Rf4 Re5+ 53. Kd4 Rf5 54. Re4 e5+ 55. Kc3 Rf4 0-1

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2015.10.31"]
[Round "5"]
[White "Yang, Felix"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "1339"]
[BlackElo "1388"]
[PlyCount "112"]
[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. Nf3 Nf6 4. g3 b6 5. Bg2 Bb7 6. 0-0 c5 7. e3 Nbd7 8. Nbd2 Be7 9. b3 0-0 10. Ne5 cxd4 11. exd4 Nxe5 12. dxe5 Nd7 13. cxd5 Bxd5 14. Bxd5 exd5 15. Nf3 Nc5 16. Nd4 Qd7 17. Qf3 f6 18. exf6 Bxf6 19. Qd1 Rfe8 20. Rb1 Re4 21. Be3 Rae8 22. Re1 Bxd4 23. Qd2 Bxe3 24. Rxe3 Qf5 25. Rf1 d4 26. Rxe4 Qxe4 27. Rd1 Rd8 28. b4 Na4 29. Rc1 Re8 30. Rc7 Qe1+ 31. Qxe1 Rxe1+ 32. Kg2 d3 33. Rd7 Rd1 34. Rxa7 d2 35. Rd7 Nc3 36. Kf3 Ne4 37. Kxe4 Re1+ 38. Kf4 d1Q 39. Ra7 Qd4+ 40. Kf3 Qxb4 41. Kg2 Qe4+ 42. Kh3 Rd1 43. Ra3 Rd6 44. f3 Rh6+ 45. Kg2 Qe2+ 46. Kg1 Qxh2+ 47. Kf1 Qh1+ 48. Kf2 Rh2+ 49. Ke3 Qc1+ 50. Ke4 Qxa3 51. g4 Re2+ 52. Kf4 Qe3+ 53. Kg3 Rf2 54. a4 Qxf3+ 55. Kh4 Qf4 56. Kh3 Rh2# 0-1

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2015.10.30"]
[Round "3"]
[White "Thormann, Georg"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C49"]
[WhiteElo "1129"]
[BlackElo "1388"]
[PlyCount "51"]
[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 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Bb4 5. 0-0 d6 6. d3 Bg4 7. Nd5 a6 8. Bxc6+ bxc6 9. Nxb4 a5 10. Nxc6 Qd7 11. Ncxe5 dxe5 12. Nxe5 Bxd1 13. Nxd7 Kxd7 14. Rxd1 h5 15. b3 Rhg8 16. Bb2 Nh7 17. f4 g5 18. Rf1 gxf4 19. Rxf4 Ng5 20. h4 Nh3+ 21. Kh1 Nxf4 22. Rf1 Nxg2 23. Rxf7+ Kc6 24. Rh7 Nxh4 25. Rxh5 Nf3 26. c4 0-1

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2015.10.30"]
[Round "4"]
[White "Wehrhahn, Duncan"]
[Black "Thieu, Nguyen Gia Luat"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "1388"]
[BlackElo "1893"]
[PlyCount "34"]
[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 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Bc4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. Nxc6 bxc6 9. e5 Ne8 10. f4 Qa5 11. Qd3 d6 12. Bd2 dxe5 13. Nb5 Qb6 14. Be3 Qb7 15. Nc3 exf4 16. Bxf4 Bf5 17. Qd2 Rd8 0-1

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2015.10.29"]
[Round "2"]
[White "Wehrhahn, Duncan"]
[Black "Yerin, Daniel"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1388"]
[BlackElo "1070"]
[PlyCount "59"]
[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 Nc6 3. d4 d6 4. dxc5 dxc5 5. Qxd8+ Nxd8 6. Be3 e6 7. Bb5+ Nc6 8. Ne5 Bd7 9. Nxd7 Kxd7 10. Nc3 Bd6 11. 0-0-0 Ke7 12. Na4 Nd4 13. Bxd4 cxd4 14. Rxd4 Rd8 15. Rhd1 Bf4+ 16. Kb1 Rxd4 17. Rxd4 Nf6 18. g3 Be5 19. Rd3 a6 20. f4 axb5 21. fxe5 bxa4 22. exf6+ Kxf6 23. Rd4 b5 24. Rb4 Rd8 25. c3 a3 26. bxa3 Rd3 27. Kc2 Re3 28. Rxb5 Rxe4 29. Kd3 Ra4 30. Rb3 1-0

[Event "Hannover-ch U16/18"]
[Site "Lehrte"]
[Date "2015.10.29"]
[Round "1"]
[White "Winkler, Gordin"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "874"]
[BlackElo "1388"]
[PlyCount "31"]
[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. c4 e5 2. e4 Nf6 3. Nc3 Bb4 4. Nge2 Nc6 5. a3 Be7 6. g3 d6 7. h3 Be6 8. d3 h6 9. Bg2 Qd7 10. f4 g6 11. Nd5 Bd8 12. Nec3 Ne7 13. Nxf6+ Kf8 14. Nxd7+ Bxd7 15. 0-0 Nc6 16. Be3 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2015.01.05"]
[Round "7"]
[White "Wehrhahn, Duncan"]
[Black "Bargsten, Justus"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1307"]
[BlackElo "1450"]
[PlyCount "126"]
[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. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nxc6 bxc6 6. Bd3 Nf6 7. Nc3 Bb4 8. Bd2 0-0 9. 0-0 Bb7 10. Qe2 Re8 11. Rae1 Qc7 12. a3 Ba5 13. Kh1 Bxc3 14. Bxc3 d5 15. exd5 e4 16. Bxf6 gxf6 17. Qg4+ Kf8 18. Bxe4 cxd5 19. Bxh7 Re5 20. f4 Re6 21. Rxe6 fxe6 22. Qg8+ Ke7 23. Qg7+ Kd6 24. Qxc7+ Kxc7 25. g4 Rh8 26. Bd3 Rh4 27. Be2 Kb6 28. f5 e5 29. Kg2 Rh7 30. b4 Rc7 31. Rc1 Rc3 32. a4 d4+ 33. Kg1 Be4 34. h4 Rh3 35. Kf2 Rxh4 36. a5+ Kc6 37. Bf3 Bxf3 38. Kxf3 Rh3+ 39. Kf2 Kd5 40. Kg2 Rc3 41. g5 fxg5 42. f6 Rc8 43. Kg3 Ke6 44. Rf1 Kf7 45. Kg4 Rxc2 46. Kf5 Re2 47. Rc1 Rf2+ 48. Kxe5 d3 49. Rc7+ Kg6 50. Rd7 Rxf6 51. Rxd3 g4 52. Rg3 Rf5+ 53. Kd6 Kg5 54. Kc6 Rf3 55. Rg1 Rb3 56. b5 Kf4 57. b6 axb6 58. axb6 Rc3+ 59. Kd7 Rb3 60. Kc7 Rc3+ 61. Kb8 Rb3 62. b7 Kf3 63. Ra1 g3 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2015.01.04"]
[Round "6"]
[White "Graf, Lucas"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1462"]
[BlackElo "1307"]
[PlyCount "77"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. g3 d6 8. Bg2 0-0 9. 0-0 Bd7 10. f4 Rfe8 11. Qd3 a6 12. a4 Rac8 13. Nd2 Ng6 14. N2b3 Bb6 15. Nc2 Bxe3+ 16. Nxe3 Qd8 17. Nd4 Rb8 18. b4 Qc8 19. Rfe1 Bh3 20. Bf3 Bd7 21. Bg2 Na7 22. Ndf5 Ne7 23. Nxe7+ Rxe7 24. Nd5 Re8 25. f5 f6 26. Qc4 Kh8 27. Qxc7 Qxc7 28. Nxc7 Rec8 29. Nd5 Re8 30. Nf4 Nc6 31. Ne2 Rbc8 32. Red1 Ne5 33. Rxd6 Rc4 34. Rd4 Rxd4 35. cxd4 Nd3 36. a5 Nxb4 37. Rb1 Nd3 38. Rxb7 Bxf5 39. exf5 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2015.01.04"]
[Round "5"]
[White "Wehrhahn, Duncan"]
[Black "Lamottke, Nils"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1307"]
[BlackElo "1169"]
[PlyCount "45"]
[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. Nf3 Nc6 3. Nc3 d6 4. h3 g6 5. Bc4 Bg7 6. d3 Nf6 7. Bg5 Bd7 8. 0-0 0-0 9. Re1 a6 10. a3 b5 11. Bb3 Re8 12. e5 dxe5 13. Nxe5 Nxe5 14. Rxe5 Qc7 15. Qe2 e6 16. Re1 Nd5 17. Bxd5 exd5 18. Rxe8+ Rxe8 19. Qxe8+ Bxe8 20. Rxe8+ Bf8 21. Bh6 Qd6 22. Rxf8+ Qxf8 23. Bxf8 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2015.01.03"]
[Round "4"]
[White "Reichelt, Lena"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1212"]
[BlackElo "1307"]
[PlyCount "64"]
[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. Nf3 Nf6 3. e3 e6 4. c4 c5 5. dxc5 Bxc5 6. cxd5 Qxd5 7. Qxd5 exd5 8. Nc3 0-0 9. Bd3 Re8 10. 0-0 Nc6 11. Rd1 Bg4 12. Be2 Rad8 13. b3 Bb4 14. Bb2 d4 15. Nb5 dxe3 16. Rxd8 Rxd8 17. fxe3 a6 18. Nbd4 Bc5 19. Rd1 Nxd4 20. exd4 Bb6 21. Kh1 Ne4 22. Kg1 Nf6 23. h3 Bh5 24. Kf2 Rc8 25. Ke1 Rc2 26. Rd2 Ba5 27. Bd3 Bxd2+ 28. Nxd2 Rxb2 29. Bb1 Nd5 30. g4 Bg6 31. Bxg6 hxg6 32. a4 Ra2 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2015.01.03"]
[Round "3"]
[White "Wehrhahn, Duncan"]
[Black "Santos, Jose"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1307"]
[BlackElo "1782"]
[PlyCount "68"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. d4 c6 6. Be3 Bg4 7. Be2 Nbd7 8. 0-0 e6 9. a3 Bd6 10. h3 Bh5 11. Re1 Bg6 12. Nh4 Qc7 13. Nxg6 hxg6 14. Rf1 0-0-0 15. Qd2 Nh5 16. Bxh5 Rxh5 17. Ne4 Be7 18. Ng3 Rh7 19. Bg5 f6 20. Be3 Nb6 21. Qd3 f5 22. Qb3 Nd5 23. Bd2 g5 24. Qd3 g4 25. hxg4 g6 26. gxf5 exf5 27. f4 Bd6 28. Qf3 Rdh8 29. c4 Nf6 30. Rae1 Ng4 31. Qc3 Qd8 32. Rf3 Qh4 33. d5 Qh1+ 34. Nxh1 Rxh1# 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2015.01.02"]
[Round "2"]
[White "Kahlsdorf, Hendrik"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1051"]
[BlackElo "1307"]
[PlyCount "158"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 d6 8. Nd2 0-0 9. 0-0 Qg6 10. Qf3 Ne5 11. Qg3 Nxc4 12. Nxc4 Qxe4 13. Rfe1 Qg6 14. Qxg6 Nxg6 15. Nd2 Bd7 16. N2f3 Rfe8 17. b4 Bb6 18. a4 a6 19. a5 Ba7 20. Nc2 Bxe3 21. Nxe3 Bc6 22. Nd4 Rab8 23. Nxc6 bxc6 24. Rab1 Nf4 25. Nc4 Kf8 26. Rxe8+ Kxe8 27. Re1+ Kd7 28. Rd1 Ne2+ 29. Kf1 Nxc3 30. Rd3 Nd5 31. Ke1 Rxb4 32. Rd4 Ke6 33. Re4+ Kf5 34. Rh4 Nf4 35. Ne3+ Kg6 36. Kd2 Nd5 37. Rxb4 Nxb4 38. h4 Nd5 39. Ng4 Kh5 40. Nh2 Kxh4 41. g3+ Kh3 42. Nf3 Kg2 43. Ke2 Nc3+ 44. Ke3 Nd1+ 45. Ke2 Nxf2 46. Nd4 c5 47. Nc6 Ne4 48. Ke3 Nf6 49. Kd3 Nd5 50. Kc4 Nb6+ 51. Kc3 Kxg3 52. Ne7 h5 53. Nf5+ Kg4 54. Nxg7 h4 55. Ne8 Na8 56. Nf6+ Kg3 57. Ne4+ Kg2 58. Ng5 h3 59. Nxh3 Kxh3 60. Kc4 f5 61. Kd3 f4 62. Ke2 Kg3 63. Kf1 f3 64. Kg1 c4 65. Kf1 f2 66. Ke2 Kg2 67. Ke3 f1Q 68. Ke4 Qd3+ 69. Kf4 Qf3+ 70. Kg5 Qe4 71. Kf6 Kg3 72. Kg5 Qf3 73. Kg6 Qf4 74. Kh5 Qg4+ 75. Kh6 Kf4 76. Kh7 Qg5 77. Kh8 Kf5 78. Kh7 Kf6 79. Kh8 Qg7# 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2015.01.02"]
[Round "1"]
[White "Wehrhahn, Duncan"]
[Black "Bergmann, Reinhold"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1307"]
[BlackElo "1871"]
[PlyCount "88"]
[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. Nf3 Nc6 3. Nc3 d6 4. Bc4 e6 5. d3 g6 6. 0-0 Bg7 7. Bd2 Nge7 8. Re1 0-0 9. Qc1 Na5 10. Bb3 Nxb3 11. axb3 Nc6 12. Ne2 f5 13. Ng3 Ne5 14. Nxe5 Bxe5 15. Bh6 Rf7 16. Rf1 f4 17. Ne2 Qh4 18. Bxf4 Bxf4 19. Nxf4 Qxf4 20. Qxf4 Rxf4 21. g3 Rf7 22. f4 b5 23. Rac1 a5 24. c4 b4 25. Ra1 Rfa7 26. Rfe1 Kf7 27. e5 Ra6 28. Red1 d5 29. d4 dxc4 30. bxc4 cxd4 31. Rxd4 Ke7 32. Kf2 Bb7 33. Rad1 Bc6 34. Rd6 Ba4 35. Rxa6 Rxa6 36. Ra1 Bb3 37. c5 a4 38. Ke3 a3 39. bxa3 bxa3 40. Kd3 a2 41. Kc3 Bd5 42. Kb4 Kd7 43. Kb5 Ra3 44. Kb4 Rb3+ 0-1

[Event "Hannover-ch U14"]
[Site "Lehrte"]
[Date "2014.10.28"]
[Round "7"]
[White "Wehrhahn, Duncan"]
[Black "Meiwes, Thore"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1151"]
[BlackElo "973"]
[PlyCount "49"]
[EventDate "2014.10.25"]
[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. d4 exd4 4. Nxd4 Qf6 5. Nxc6 Qxc6 6. Bd3 Nf6 7. 0-0 Nxe4 8. Bxe4 Qxe4 9. Re1 Qxe1+ 10. Qxe1+ Be7 11. Bg5 f6 12. Bf4 d6 13. Nc3 0-0 14. Qxe7 Rf7 15. Qe3 Bf5 16. Qd2 Re7 17. Nd5 Rd7 18. Re1 Kf7 19. Qc3 Re8 20. Rxe8 Kxe8 21. h3 c6 22. Ne3 Be6 23. Nc4 Ke7 24. Nxd6 Rxd6 25. Qb4 1-0

[Event "Hannover-ch U14"]
[Site "Lehrte"]
[Date "2014.10.27"]
[Round "6"]
[White "Balli, Muhammed"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1193"]
[BlackElo "1151"]
[PlyCount "109"]
[EventDate "2014.10.25"]
[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. Nc3 Nf6 5. d3 d6 6. Bg5 Bg4 7. Qd2 Bxf3 8. gxf3 Nd4 9. 0-0-0 Nxf3 10. Bxf6 Nxd2 11. Bxd8 Nxc4 12. dxc4 Rxd8 13. Rhg1 g6 14. Rg2 c6 15. a3 Ke7 16. Ne2 Rhf8 17. b4 Bb6 18. a4 a6 19. f3 f5 20. exf5 Rxf5 21. c5 dxc5 22. Rxd8 Kxd8 23. a5 Ba7 24. bxc5 Bxc5 25. Rg3 Bb4 26. Rh3 Rf7 27. f4 exf4 28. Rd3+ Kc7 29. Nd4 Rd7 30. Ne6+ Kc8 31. Nxf4 Rxd3 32. Nxd3 Bxa5 33. Nc5 Bc7 34. h3 h5 35. Ne6 g5 36. Kd1 g4 37. h4 g3 38. Ke2 a5 39. Kf3 a4 40. Nc5 a3 41. Nb3 a2 42. c4 Be5 43. c5 a1Q 44. Nxa1 Bxa1 45. Kg2 Bd4 46. Kf3 Bxc5 47. Kg2 b5 48. Kxg3 b4 49. Kf4 b3 50. Kg5 Bf2 51. Kxh5 Bxh4 52. Kxh4 b2 53. Kh5 b1Q 54. Kh6 Qg1 55. Kh7 0-1

[Event "Hannover-ch U14"]
[Site "Lehrte"]
[Date "2014.10.27"]
[Round "5"]
[White "Wehrhahn, Duncan"]
[Black "Weigand, Anton"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1151"]
[BlackElo "1367"]
[PlyCount "93"]
[EventDate "2014.10.25"]
[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. d3 h6 5. Nc3 d6 6. h3 Nf6 7. Be3 Bb6 8. 0-0 Bxe3 9. fxe3 g5 10. Nxg5 hxg5 11. Qf3 Be6 12. Bxe6 fxe6 13. Qxf6 Qxf6 14. Rxf6 0-0-0 15. Rxe6 Rh7 16. Rg6 Rh5 17. a3 Ne7 18. Rg7 Rd7 19. Rf1 Nc6 20. Rxd7 Kxd7 21. Nd5 Kc8 22. Rf8+ Nd8 23. Kh2 c6 24. Nf6 Rh6 25. Ng4 Rh7 26. Rg8 Kc7 27. Rxg5 Nf7 28. Rg6 d5 29. Nf6 Nh8 30. Nxh7 Nxg6 31. Nf6 dxe4 32. Nxe4 Kb6 33. g4 c5 34. Kg3 Kb5 35. c4+ Kc6 36. h4 b5 37. b3 bxc4 38. bxc4 Ne7 39. h5 Ng8 40. g5 Kd7 41. Nxc5+ Ke7 42. Kg4 Kf7 43. Kf5 Ne7+ 44. Kxe5 Nc6+ 45. Kd6 Ne7 46. g6+ Nxg6 47. hxg6+ 1-0

[Event "Hannover-ch U14"]
[Site "Lehrte"]
[Date "2014.10.26"]
[Round "3"]
[White "Grenz, Maximilian"]
[Black "Wehrhahn, Duncan"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "1034"]
[BlackElo "1151"]
[PlyCount "43"]
[EventDate "2014.10.25"]
[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 d5 2. d4 Nf6 3. c4 c6 4. Nc3 Bg4 5. e3 e6 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Be2 Nd7 9. b3 Be7 10. 0-0 0-0 11. Bc4 Qh5 12. Be2 Bd6 13. h3 Bxf3 14. Bxf3 Qg5 15. e4 Qg6 16. e5 Nxe5 17. dxe5 Bxe5 18. Bh5 Qf5 19. Bg4 Qg6 20. Bh5 Qe4 21. Bf3 Qg6 22. Bh5 1/2-1/2

[Event "Hannover-ch U14"]
[Site "Lehrte"]
[Date "2014.10.26"]
[Round "4"]
[White "Wehrhahn, Duncan"]
[Black "Kirch, Christopher"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1151"]
[BlackElo "1034"]
[PlyCount "39"]
[EventDate "2014.10.25"]
[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. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Nc3 Nf6 7. Bg5 Be7 8. Bc4 c5 9. Qd3 0-0 10. 0-0-0 a6 11. a3 b5 12. Ba2 Bb7 13. Rhe1 Re8 14. Bxf6 Bxf6 15. Qxd6 Qxd6 16. Rxd6 Bxc3 17. bxc3 Rxe4 18. Red1 Rae8 19. Rd7 R4e7 20. Rxe7 1-0

[Event "Hannover-ch U14"]
[Site "Lehrte"]
[Date "2014.10.25"]
[Round "1"]
[White "Albrecht, Dennis"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "870"]
[BlackElo "1151"]
[PlyCount "76"]
[EventDate "2014.10.25"]
[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. Nc3 Nf6 5. d3 h6 6. 0-0 d6 7. Bd5 Bg4 8. h3 Bh5 9. Bd2 Nxd5 10. Nxd5 Nd4 11. Be3 Nxf3+ 12. gxf3 Bxe3 13. fxe3 c6 14. Nc3 Qg5+ 15. Kh2 Qxe3 16. Qe1 Qxe1 17. Rfxe1 Bxf3 18. Rf1 Bh5 19. Rg1 Rg8 20. Raf1 0-0-0 21. Rf5 Bg6 22. Rf2 Rdf8 23. a4 Bh7 24. b4 f5 25. Rgf1 f4 26. b5 g5 27. Rg2 Rg7 28. bxc6 bxc6 29. Rb1 f3 30. Rf1 Rgf7 31. Rgf2 h5 32. a5 g4 33. hxg4 hxg4 34. Rg1 Rh8 35. Rxg4 Bf5+ 36. Kg1 Bxg4 37. a6 Rfh7 38. Kf1 Rh1# 0-1

[Event "Hannover-ch U14"]
[Site "Lehrte"]
[Date "2014.10.25"]
[Round "2"]
[White "Wehrhahn, Duncan"]
[Black "Stelmaszyk, Nico"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1151"]
[BlackElo "1519"]
[PlyCount "65"]
[EventDate "2014.10.25"]
[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. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Nc3 Nf6 7. Bg5 Be7 8. Bc4 Be6 9. 0-0-0 0-0 10. f3 Nd7 11. Bxe7 Qxe7 12. h4 Bxc4 13. Qxc4 Ne5 14. Nd5 Nxc4 15. Nxe7+ Kh8 16. Rdg1 g6 17. Nd5 c6 18. Nc3 Rad8 19. Rd1 Ne3 20. Rd2 d5 21. Re1 d4 22. Na4 Nc4 23. Rd3 b6 24. b3 Ne5 25. Rd2 Rd7 26. Red1 Rfd8 27. Nb2 Kg7 28. Nd3 Nxd3+ 29. Rxd3 c5 30. c3 Kf6 31. cxd4 Rxd4 32. Rxd4 Rxd4 33. Rxd4 1/2-1/2

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2014.09.14"]
[Round "7.4"]
[White "Voelter, Axel"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "984"]
[BlackElo "1214"]
[PlyCount "72"]
[EventDate "2014.09.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Berlin Eintracht"]
[BlackTeam "Laatzen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bg4 4. Bd3 Nc6 5. c3 e6 6. 0-0 Bd6 7. Nbd2 0-0 8. e4 e5 9. Qe1 exd4 10. cxd4 Re8 11. e5 Bb4 12. Qe3 Nd7 13. Qf4 Bxf3 14. Nxf3 f6 15. Bb5 Qe7 16. a3 Ba5 17. b4 Bb6 18. Re1 fxe5 19. dxe5 Ncxe5 20. Nxe5 c6 21. Ba4 Nxe5 22. Bd2 Qd6 23. Bc3 Bc7 24. Re3 Rad8 25. Rd1 Rd7 26. Qf5 Rf7 27. Qh5 g6 28. Qg5 Rf5 29. Qg3 Bb6 30. Re2 Nf3+ 31. gxf3 Qxg3+ 32. hxg3 Rxe2 33. Rf1 Rxf3 34. Bd1 Rxg3+ 35. Kh2 Rxf2+ 36. Rxf2 Bxf2 0-1

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2014.09.13"]
[Round "5.4"]
[White "Wehrhahn, Duncan"]
[Black "Rautenberg, Jakob"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1214"]
[BlackElo "1302"]
[PlyCount "48"]
[EventDate "2014.09.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Laatzen"]
[BlackTeam "Delmenhorst"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Na3 0-0 8. Nac2 d6 9. Bc4 Re8 10. Qf3 Qxf3 11. Nxf3 Bxe3 12. Nxe3 Ng6 13. Ng5 Nce5 14. f3 h6 15. Nh3 Bxh3 16. gxh3 Nxf3+ 17. Ke2 Ng5 18. Rhg1 Nf4+ 19. Kd1 Nfxh3 20. Rf1 Rxe4 21. Kd2 Rae8 22. Rae1 Nf4 23. Nd5 Rxe1 24. Rxf4 R1e4 0-1

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2014.09.13"]
[Round "6.4"]
[White "Wehrhahn, Duncan"]
[Black "Schroeter, Leonard"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1214"]
[BlackElo "1197"]
[PlyCount "63"]
[EventDate "2014.09.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Laatzen"]
[BlackTeam "Hamburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. Nf3 g6 3. Nc3 Bg7 4. Bc4 Nf6 5. 0-0 0-0 6. d3 c6 7. Re1 b5 8. Bb3 a5 9. a3 Nbd7 10. d4 Ba6 11. e5 dxe5 12. dxe5 Ng4 13. e6 Nde5 14. exf7+ Nxf7 15. Ng5 Qxd1 16. Rxd1 b4 17. Na4 h6 18. Nxf7 Kh7 19. h3 Nf6 20. Ne5 Ne4 21. Nf3 Be2 22. Re1 Bxf3 23. gxf3 Ng5 24. Bxg5 hxg5 25. Kg2 bxa3 26. Rxa3 Rf4 27. Rxe7 Raf8 28. Be6 Kh6 29. Bd7 R8f6 30. Re6 Rf7 31. Bxc6 Bf8 32. Rae3 1-0

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2014.09.12"]
[Round "3.4"]
[White "Knape, Albert"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "926"]
[BlackElo "1214"]
[PlyCount "115"]
[EventDate "2014.09.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Potsdam Empor"]
[BlackTeam "Laatzen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. h3 0-0 7. Be3 Bxe3 8. fxe3 d6 9. d4 Re8 10. Rf1 exd4 11. exd4 Nxe4 12. Nxe4 Rxe4+ 13. Kf2 Be6 14. Bxe6 Rxe6 15. d5 Rf6 16. dxc6 bxc6 17. Kg1 Rg6 18. Qd3 Qd7 19. Nd2 Rb8 20. Nb3 d5 21. Qf3 Qe7 22. Rae1 Qf8 23. c3 Rf6 24. Qh5 g6 25. Qg4 Rxf1+ 26. Rxf1 a5 27. Rf2 c5 28. Nxa5 Ra8 29. b4 cxb4 30. cxb4 c5 31. Nc6 Ra6 32. Ne5 f5 33. Rxf5 Qxf5 34. bxc5 Qxe5 35. Qc8+ Kf7 36. Qxa6 Qe3+ 37. Kf1 Qxc5 38. Ke2 Qc2+ 39. Kf3 Qf5+ 40. Ke2 Qe4+ 41. Kf1 d4 42. Qa7+ Kf6 43. Qb6+ Kg5 44. Qd8+ Kf5 45. g4+ Kf4 46. Qf6+ Kg3 47. Qf2+ Kxh3 48. Qe2 Qh1+ 49. Kf2 Qg2+ 50. Ke1 Qg1+ 51. Qf1+ Qxf1+ 52. Kxf1 Kxg4 53. a4 d3 54. a5 h5 55. a6 h4 56. a7 d2 57. Ke2 d1Q+ 58. Kxd1 1-0

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2014.09.11"]
[Round "1.4"]
[White "Trinh, Phan Duc Hieu"]
[Black "Wehrhahn, Duncan"]
[Result "1/2-1/2"]
[ECO "C49"]
[WhiteElo "1167"]
[BlackElo "1214"]
[PlyCount "59"]
[EventDate "2014.09.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Potsdam USV"]
[BlackTeam "Laatzen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. 0-0 d6 6. d4 a6 7. Bxc6+ bxc6 8. dxe5 dxe5 9. Qxd8+ Kxd8 10. Nxe5 Ke8 11. Nxc6 Bxc3 12. bxc3 Bb7 13. Nb4 Bxe4 14. Re1 Kd8 15. f3 Bg6 16. Re2 Re8 17. Nc6+ Kd7 18. Ne5+ Kd6 19. Nc4+ Kc5 20. Rxe8 Rxe8 21. Na3 Nd5 22. Bd2 Re2 23. Rd1 Kb6 24. c4 Ne3 25. Bxe3+ Rxe3 26. Rb1+ Kc6 27. Rb3 Re2 28. Rb2 Re3 29. Rb3 Re2 30. Rb2 1/2-1/2

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2014.04.26"]
[Round "7"]
[White "Wehrhahn, Duncan"]
[Black "Floerchinger, Ludolf"]
[Result "0-1"]
[ECO "D08"]
[WhiteElo "971"]
[BlackElo "1536"]
[PlyCount "62"]
[EventDate "2014.02.01"]
[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 e5 3. dxe5 d4 4. Nf3 Nc6 5. Bg5 Be7 6. Bxe7 Ngxe7 7. e3 Bg4 8. Be2 Bxf3 9. Bxf3 dxe3 10. Bxc6+ Nxc6 11. Qxd8+ Rxd8 12. fxe3 Nxe5 13. Nd2 0-0 14. 0-0-0 Nd3+ 15. Kc2 Nf2 16. Rhf1 Nxd1 17. Rxd1 Rfe8 18. Re1 Re6 19. Nb3 b6 20. Nd4 Rxd4 21. Kc3 Rh4 22. h3 a5 23. b3 Rc6 24. Rd1 f6 25. Rd5 Rd6 26. Rb5 c5 27. a3 Re4 28. b4 Rxe3+ 29. Kb2 axb4 30. axb4 cxb4 31. Rxb4 Rc6 0-1

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2014.03.01"]
[Round "3"]
[White "Schaefer, Thomas"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1315"]
[BlackElo "971"]
[PlyCount "62"]
[EventDate "2014.02.01"]
[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. d4 exd4 6. Re1 d6 7. Bg5 h6 8. Bh4 Bg4 9. Qd3 Bxf3 10. Qxf3 Ne5 11. Qb3 Nxc4 12. Qxc4 Qe7 13. Qb5+ c6 14. Qe2 0-0 15. Nd2 Rfe8 16. Rad1 Qe6 17. Bxf6 gxf6 18. Nb3 Bb4 19. Nxd4 Qxa2 20. Nf5 Re6 21. Qg4+ Kf8 22. Qg7+ Ke8 23. Qg8+ Kd7 24. Qxf7+ Kd8 25. c3 Bc5 26. b4 Bxf2+ 27. Kf1 Bxe1 28. Rxd6+ Kc8 29. Ne7+ Kc7 30. Nf5+ Kb6 31. Rxc6+ bxc6 0-1

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2014.02.15"]
[Round "2"]
[White "Wehrhahn, Duncan"]
[Black "Kiesel, Lucas"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "971"]
[BlackElo "1441"]
[PlyCount "74"]
[EventDate "2014.02.01"]
[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 g6 2. c4 Bg7 3. Nf3 Nf6 4. Nc3 0-0 5. Bg5 h6 6. Bxf6 Bxf6 7. Qd2 Bg7 8. e3 c6 9. Bd3 d5 10. h3 a5 11. 0-0 e6 12. a4 Na6 13. cxd5 exd5 14. Bxa6 Rxa6 15. Rfe1 Be6 16. Rab1 Re8 17. Qd3 Bf5 18. e4 dxe4 19. Nxe4 Qd5 20. Nf6+ Bxf6 21. Rxe8+ Kg7 22. Qd1 Bxb1 23. Qxb1 Bxd4 24. Re7 Rb6 25. Nh4 Qg5 26. Re4 Qd2 27. Rg4 Bxf2+ 28. Kh2 Bxh4 29. Rxh4 Rxb2 30. Qg1 Qd6+ 31. Kh1 Rd2 32. Qa1+ Kh7 33. Rxh6+ Kxh6 34. Qh8+ Kg5 35. h4+ Kf5 36. g4+ Kxg4 37. Qc8+ Qd7 0-1

[Event "Hannover Region-ch"]
[Site "Hannover"]
[Date "2014.02.01"]
[Round "1"]
[White "Tondera, Benedikt"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "1836"]
[BlackElo "971"]
[PlyCount "67"]
[EventDate "2014.02.01"]
[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. Nf3 Nf6 4. g3 Nc6 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 h6 8. Ne5 Bb4 9. Nxc6 bxc6 10. Qc2 Bxc3 11. bxc3 Ba6 12. c5 Rb8 13. Re1 Re8 14. Bf4 Qe7 15. Qa4 Bb5 16. Qxa7 Rec8 17. Qa3 Ra8 18. Qb2 Rcb8 19. Qc2 Bc4 20. e3 Rc8 21. h4 Nh5 22. Bf3 Nxf4 23. exf4 Qf6 24. Be2 Bxe2 25. Rxe2 Qg6 26. Qxg6 fxg6 27. Rxe6 Kh7 28. a4 Ra6 29. Kf1 Rca8 30. Ke2 Rxa4 31. Rxa4 Rxa4 32. Rxc6 Ra3 33. Rxc7 Rxc3 34. Rd7 1-0

[Event "Hannover-ch U14"]
[Site "Lehrte"]
[Date "2013.10.20"]
[Round "7"]
[White "Wehrhahn, Duncan"]
[Black "Korb, Ruben"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "977"]
[BlackElo "970"]
[PlyCount "48"]
[EventDate "2013.10.17"]
[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. Nf3 Nbd7 6. Bxf6 Nxf6 7. e3 0-0 8. Bd3 b6 9. Qc2 Bb7 10. 0-0-0 c5 11. a3 Rc8 12. Qe2 Qc7 13. Nd2 Rfd8 14. b3 cxd4 15. exd4 Bxa3+ 16. Kc2 a5 17. Ra1 Bb4 18. Nb5 Qe7 19. Rhc1 Ba6 20. Kd1 Qd7 21. cxd5 Nxd5 22. Ke1 Nf4 23. Bxh7+ Kxh7 24. Qe4+ Ng6 0-1

[Event "Hannover-ch U14"]
[Site "Lehrte"]
[Date "2013.10.19"]
[Round "6"]
[White "Driselmann, Jan"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C49"]
[BlackElo "977"]
[PlyCount "74"]
[EventDate "2013.10.17"]
[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. Nc3 Nf6 4. Bb5 Bb4 5. d3 0-0 6. 0-0 d6 7. Qe2 Bg4 8. Bg5 Nd4 9. Qe3 Nxf3+ 10. gxf3 Bh3 11. Rfe1 Bxc3 12. bxc3 h6 13. Bxf6 Qxf6 14. Kh1 Qg5 15. Qxg5 hxg5 16. Rg1 c6 17. Rg3 cxb5 18. Rxh3 Rac8 19. a4 Rxc3 20. axb5 Ra8 21. Ra2 Rc5 22. c4 a6 23. bxa6 Rxa6 24. Rxa6 bxa6 25. Rh5 f6 26. h4 gxh4 27. Rxh4 a5 28. f4 a4 29. fxe5 Rxe5 30. f4 Ra5 31. e5 dxe5 32. fxe5 fxe5 33. Rh5 a3 34. Kg2 a2 35. d4 a1Q 36. dxe5 Rxe5 37. c5 Rxh5 0-1

[Event "Hannover-ch U14"]
[Site "Lehrte"]
[Date "2013.10.19"]
[Round "5"]
[White "Kiesel, Lucas"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "1322"]
[BlackElo "977"]
[PlyCount "97"]
[EventDate "2013.10.17"]
[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 d5 2. g3 c5 3. Bg2 Nc6 4. 0-0 Bg4 5. d3 Nf6 6. Nbd2 e6 7. e4 dxe4 8. Nxe4 Nxe4 9. dxe4 Qxd1 10. Rxd1 Nd4 11. Rd3 Nxc2 12. Rb1 Nb4 13. Rb3 Rd8 14. Bf4 b6 15. h3 Bh5 16. g4 Bg6 17. Ne5 Bd6 18. Rd1 Bxe5 19. Rxd8+ Kxd8 20. Bxe5 f6 21. Bb8 Nc6 22. Rd3+ Ke7 23. Bd6+ Kf7 24. Bg3 Nd4 25. Kh2 Ke7 26. f4 f5 27. exf5 exf5 28. Ra3 Nb5 29. Re3+ Kf7 30. Bd5+ Kf8 31. Bh4 Bf7 32. Be7+ Kg8 33. Bh4 h6 34. Re8+ Kh7 35. Rxh8+ Kxh8 36. Bxf7 fxg4 37. hxg4 Nd4 38. Kg2 Nc6 39. a3 Kh7 40. Kf2 b5 41. Ke3 a6 42. b3 a5 43. Ke4 Nd4 44. Bf2 Nc2 45. Bxc5 g6 46. Be8 b4 47. a4 Na1 48. Bf7 Nc2 49. Bb6 1-0

[Event "Hannover-ch U14"]
[Site "Lehrte"]
[Date "2013.10.18"]
[Round "4"]
[White "Wehrhahn, Duncan"]
[Black "Burger, Jarl"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "977"]
[PlyCount "111"]
[EventDate "2013.10.17"]
[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 Nc6 3. Nf3 Nf6 4. Bg5 Be7 5. Nc3 d5 6. e3 0-0 7. Bd3 Bb4 8. Qc2 Bxc3+ 9. bxc3 Na5 10. cxd5 exd5 11. Bxh7+ Kh8 12. Bf5 Qe7 13. Bxc8 Raxc8 14. h4 Qe4 15. Qxe4 dxe4 16. Nd2 Rfe8 17. Bxf6 gxf6 18. 0-0-0 Rg8 19. g3 Rce8 20. Rdg1 b5 21. g4 Nc4 22. Nxc4 bxc4 23. g5 fxg5 24. Rxg5 Rxg5 25. hxg5+ Kg7 26. Rh6 Rh8 27. Rc6 Rh2 28. Rf6 Rg2 29. Rf4 Rxg5 30. Rxe4 f5 31. Re7+ Kf6 32. Rxc7 Rg2 33. Rxc4 Rxf2 34. Rc6+ Ke7 35. Rc7+ Kd6 36. Rxa7 Re2 37. Ra6+ Ke7 38. Ra7+ Kd6 39. Ra6+ Ke7 40. Ra7+ Kd6 41. Rf7 Ke6 42. Rf8 Rxe3 43. Re8+ Kd5 44. Rxe3 f4 45. Rf3 Ke4 46. Rf1 f3 47. a4 Ke3 48. Rxf3+ Kxf3 49. d5 Ke4 50. d6 Kd3 51. d7 Kxc3 52. d8Q Kb4 53. Qc7 Kxa4 54. Qb6 Ka3 55. Qb5 Ka2 56. Qb2# 1-0

[Event "Hannover-ch U14"]
[Site "Lehrte"]
[Date "2013.10.18"]
[Round "3"]
[White "Wehrhahn, Duncan"]
[Black "Kirch, Christopher"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "977"]
[BlackElo "1092"]
[PlyCount "104"]
[EventDate "2013.10.17"]
[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. Nf3 Bxc3+ 6. bxc3 h6 7. Bh4 g5 8. Bg3 Nbd7 9. Ne5 h5 10. Nxd7 Bxd7 11. Be5 Rg8 12. Bxf6 Qxf6 13. e3 h4 14. Rb1 Rb8 15. cxd5 exd5 16. Ba6 b6 17. Bb5 Bc6 18. Qa4 Bxb5 19. Qxb5+ Kd8 20. Qxd5+ Kc8 21. e4 Rd8 22. Qf5+ Qxf5 23. exf5 Rd5 24. g4 hxg3 25. hxg3 Rxf5 26. Rh7 Kd7 27. Rb2 Kd6 28. Re2 f6 29. Ree7 Rc8 30. Rd7+ Kc6 31. Rdf7 Re8+ 32. Kf1 Rc8 33. Rh6 Rd8 34. Rhxf6+ Rxf6 35. Rxf6+ Kb5 36. Rf7 Rc8 37. Rf5+ Kc4 38. Rxg5 Kxc3 39. f4 Kxd4 40. Rg7 c5 41. Rxa7 Ke4 42. Kf2 c4 43. Ra4 b5 44. Rb4 Rc5 45. Ke2 Kf5 46. Kf3 c3 47. Rb1 Rd5 48. Rc1 b4 49. g4+ Kf6 50. g5+ Kf5 51. Re1 c2 52. Rc1 Rc5 1/2-1/2

[Event "Hannover-ch U14"]
[Site "Lehrte"]
[Date "2013.10.17"]
[Round "2"]
[White "Thormann, Georg"]
[Black "Wehrhahn, Duncan"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "978"]
[BlackElo "977"]
[PlyCount "74"]
[EventDate "2013.10.17"]
[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. d4 exd4 4. Nxd4 Bc5 5. Nxc6 bxc6 6. Nc3 Ne7 7. Bc4 d6 8. 0-0 Bd7 9. Na4 Bb6 10. Nxb6 axb6 11. Qf3 0-0 12. b3 Ng6 13. Bb2 Qe7 14. Qc3 Qe5 15. Qxe5 Nxe5 16. Bxe5 dxe5 17. Rfd1 Be6 18. Bxe6 fxe6 19. Rd7 Rac8 20. Re7 Rfe8 21. Rxe8+ Rxe8 22. Rd1 Re7 23. Kf1 Kf7 24. Ke2 Kf6 25. a4 Kg5 26. Ke3 Kf6 27. b4 Kf7 28. a5 bxa5 29. bxa5 Kf8 30. a6 Re8 31. Rd7 Ra8 32. Rxc7 Rxa6 33. Rc8+ Ke7 34. Rc7+ Kf6 35. c4 Ra3+ 36. Kd2 Ra2+ 37. Ke3 Ra3+ 1/2-1/2

[Event "Hannover-ch U14"]
[Site "Lehrte"]
[Date "2013.10.17"]
[Round "1"]
[White "Wehrhahn, Duncan"]
[Black "Wengorsch, Fenja"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "977"]
[BlackElo "776"]
[PlyCount "56"]
[EventDate "2013.10.17"]
[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 d6 2. c4 c5 3. dxc5 dxc5 4. Qxd8+ Kxd8 5. Bf4 Bf5 6. Bxb8 Rxb8 7. Nc3 e6 8. 0-0-0+ Ke8 9. Nf3 Nf6 10. e3 Be7 11. Bd3 Bg6 12. Bxg6 hxg6 13. h3 Nh5 14. Nb5 a6 15. Nd6+ Bxd6 16. Rxd6 Rc8 17. Rb6 Rc7 18. Rd6 Ke7 19. Rhd1 Nf6 20. Ne5 Rh5 21. Ng4 Nxg4 22. hxg4 Rh2 23. R6d2 Rxg2 24. f3 Rg3 25. Rf2 f5 26. gxf5 gxf5 27. Re1 g5 28. e4 Kf6 1/2-1/2

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2012.10.23"]
[Round "11"]
[White "Schieble, Johannes"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "866"]
[BlackElo "996"]
[PlyCount "88"]
[EventDate "2012.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[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. d3 Nf6 5. Nc3 0-0 6. Bg5 d6 7. Nd5 Bg4 8. h3 Bh5 9. g4 Bg6 10. h4 h6 11. h5 Bh7 12. Bh4 g5 13. Bg3 Nxd5 14. Bxd5 Qf6 15. Qd2 Nd4 16. Nxd4 Bxd4 17. 0-0-0 c6 18. Bb3 Qd8 19. c3 Bc5 20. d4 exd4 21. cxd4 Bb6 22. Bc2 d5 23. exd5 Bxc2 24. Qxc2 Qxd5 25. Be5 Qxa2 26. Kd2 Qe6 27. Rhe1 Qxg4 28. Rh1 Bxd4 29. Rdg1 Qd7 30. Re1 Bxe5+ 31. Kc1 Bf4+ 32. Kb1 Rfe8 33. Rd1 Qc7 34. Rd3 Rad8 35. Rf3 c5 36. Qc4 Qc6 37. Rd3 Qxh1+ 38. Kc2 Rxd3 39. Qxd3 Qh2 40. Kb3 Qxf2 41. Qd7 Qe3+ 42. Ka2 Qe6+ 43. Qxe6 Rxe6 44. b3 g4 0-1

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2012.10.23"]
[Round "10"]
[White "Wehrhahn, Duncan"]
[Black "Liebrecht, Eric"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "996"]
[PlyCount "65"]
[EventDate "2012.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 h5 4. Bxc4 Bg4 5. f3 Be6 6. Bxe6 fxe6 7. Be3 g5 8. Bxg5 Bh6 9. Bxh6 Nxh6 10. Ne2 Nf7 11. Qb3 Qc8 12. d5 exd5 13. Qxd5 Qd8 14. Qxb7 Nd7 15. 0-0 Rb8 16. Qxa7 Ra8 17. Qd4 c5 18. Qc4 Rb8 19. b3 Rb4 20. Qc3 Nfe5 21. f4 Ng6 22. f5 Nh4 23. Qxh8+ Nf8 24. Qxh5+ Kd7 25. Rd1+ Kc8 26. Rxd8+ Kxd8 27. Qxh4 c4 28. bxc4 Rxc4 29. Na3 Ra4 30. Rd1+ Ke8 31. Qh5+ Ng6 32. Qxg6+ Kf8 33. Rd8# 1-0

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2012.10.22"]
[Round "8"]
[White "Kibenko, Dimitrij"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "749"]
[BlackElo "996"]
[PlyCount "91"]
[EventDate "2012.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[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. d3 Nf6 5. Nbd2 0-0 6. Nf1 d6 7. c3 Bg4 8. h3 Bh5 9. Ng3 Bxf3 10. Qxf3 Qe7 11. Nf5 Qd8 12. Qg3 Nh5 13. Qg4 g6 14. 0-0 Kh8 15. Nh4 Nf6 16. Qe2 Nh5 17. g3 Qd7 18. Kh2 Qe7 19. Ng2 f5 20. exf5 Rxf5 21. g4 Nf4 22. Nxf4 exf4 23. Qxe7 Nxe7 24. gxf5 gxf5 25. Bxf4 d5 26. Bb3 c6 27. d4 Bb6 28. Rg1 Ng6 29. Be5+ Nxe5 30. dxe5 Re8 31. Rg2 Rxe5 32. Rag1 h5 33. c4 Re2 34. Rg5 Rxf2+ 35. Kh1 Rh2+ 36. Kxh2 Bxg1+ 37. Kxg1 d4 38. Kf2 f4 39. Kf3 h4 40. Kxf4 Kh7 41. Kf5 Kh6 42. Kf6 d3 43. Bd1 Kh7 44. Rg6 d2 45. Kf7 c5 46. Rg5 1-0

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2012.10.22"]
[Round "9"]
[White "Wehrhahn, Duncan"]
[Black "Klotzsch, Fabian"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "996"]
[PlyCount "31"]
[EventDate "2012.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e6 4. Bxc4 Bb4+ 5. Bd2 Bxd2+ 6. Nxd2 c6 7. Ngf3 Nf6 8. e5 Nfd7 9. 0-0 0-0 10. h4 b5 11. Bb3 c5 12. dxc5 Nxc5 13. Qc2 Nxb3 14. axb3 Nc6 15. Ng5 Nb4 16. Qxh7# 1-0

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2012.10.22"]
[Round "7"]
[White "Wehrhahn, Duncan"]
[Black "Spannuth, Philipp"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "996"]
[BlackElo "931"]
[PlyCount "99"]
[EventDate "2012.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bg5 e6 4. Nf3 Bb4 5. e3 h6 6. Bh4 Nc6 7. Bb5 Bd7 8. 0-0 0-0 9. Ne5 Qe8 10. Bxc6 Bxc6 11. Bxf6 gxf6 12. Qg4+ Kh7 13. Nf3 Rg8 14. Qh4 Rg6 15. Ne2 Bb5 16. Nf4 Rg7 17. Rfd1 Bd6 18. Qxf6 Bxf4 19. Qxf4 Be2 20. Re1 Bxf3 21. Qxf3 e5 22. Qxd5 exd4 23. exd4 Qa4 24. b3 Qb4 25. Qf5+ Kg8 26. Qd7 Qc3 27. Rac1 Qf3 28. g3 Rh7 29. Re3 Qh5 30. Re8+ Rxe8 31. Qxe8+ Kg7 32. Qe5+ Qxe5 33. dxe5 h5 34. Rd1 Rh6 35. Rd7 Rc6 36. c4 a6 37. e6 Rxe6 38. Rxc7 b5 39. cxb5 axb5 40. Rb7 Re5 41. Kg2 Kg6 42. Rb6+ Kg5 43. f4+ Kf5 44. fxe5 Kxe5 45. Rxb5+ Ke4 46. Rxh5 f5 47. a4 f4 48. gxf4 Kxf4 49. a5 Kg4 50. Rc5 1-0

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2012.10.21"]
[Round "6"]
[White "Jahn, Philipp"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "848"]
[BlackElo "996"]
[PlyCount "167"]
[EventDate "2012.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[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. c3 Nf6 5. d4 exd4 6. e5 Qe7 7. cxd4 Bb6 8. 0-0 Ng4 9. h3 Nh6 10. Bxh6 gxh6 11. Nc3 Rg8 12. Nd5 Qd8 13. Nxb6 cxb6 14. Qd2 d5 15. Bd3 Bxh3 16. Kh2 Bxg2 17. Rg1 Qd7 18. Rxg2 Rxg2+ 19. Kxg2 0-0-0 20. Rg1 Rg8+ 21. Kf1 Qh3+ 22. Ke2 Rxg1 23. Nxg1 Nxd4+ 24. Ke1 Qg2 25. Qc3+ Nc6 26. Ne2 Kd7 27. Bb5 d4 28. Qxd4+ Ke6 29. Nf4+ Kf5 30. Bd3+ Kg4 31. Nxg2+ Nxd4 32. Bxh7 Kf3 33. Kf1 Kg4 34. Be4 h5 35. Bxb7 Kf5 36. Ne3+ Kxe5 37. Bd5 f5 38. Bf7 h4 39. Nc4+ Kf6 40. Bd5 Kg5 41. Ne5 Kf4 42. Ng6+ Kg4 43. Kg2 h3+ 44. Kh2 f4 45. Ne5+ Kh4 46. Nc6 Nb5 47. Be6 a5 48. a4 Nd6 49. Bxh3 Ne4 50. f3 Nd2 51. Be6 Nxf3+ 52. Kg2 Nd2 53. Nd4 Kg5 54. Nf3+ Nxf3 55. Kxf3 Kf6 56. Bc4 Ke5 57. Bb5 Kd4 58. Kxf4 Kc5 59. Ba6 Kb4 60. Bb5 Kb3 61. Ke5 Kxb2 62. Kd5 Kc3 63. Kc6 Kd4 64. Kxb6 Kd5 65. Kxa5 Kd6 66. Kb6 Ke7 67. a5 Kd8 68. Kb7 Ke7 69. a6 Kd6 70. Bd7 Kxd7 71. a7 Ke6 72. a8Q Ke5 73. Qa4 Kf5 74. Qe8 Kf4 75. Kc6 Kf5 76. Kd6 Kf4 77. Kd5 Kf3 78. Kd4 Kf4 79. Qf8+ Kg3 80. Ke4 Kg4 81. Qg8+ Kh3 82. Kf4 Kh2 83. Kf3 Kh1 84. Qg2# 1-0

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2012.10.21"]
[Round "5"]
[White "Kirch, Christopher"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "821"]
[BlackElo "996"]
[PlyCount "67"]
[EventDate "2012.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[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. Nc3 Nf6 5. d3 d6 6. Bg5 Bg4 7. h3 Bh5 8. g4 Bg6 9. Nd5 h6 10. Nxf6+ gxf6 11. Bh4 h5 12. g5 fxg5 13. Bxg5 Qd7 14. a3 Bd4 15. c3 Bc5 16. b4 Bb6 17. a4 a5 18. Rb1 axb4 19. cxb4 Rb8 20. a5 Bd4 21. Nxd4 Nxd4 22. Be3 Nc6 23. Bb5 Qe7 24. Rg1 Qh4 25. Rg3 f5 26. Bg5 f4 27. Bxh4 fxg3 28. Bxg3 Ke7 29. Bh4+ Ke6 30. Qf3 Rhf8 31. Qg2 Rg8 32. Qg5 Rbf8 33. Bxc6 bxc6 34. Qe7# 1-0

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2012.10.21"]
[Round "4"]
[White "Wehrhahn, Duncan"]
[Black "Schulze, Lara"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "996"]
[BlackElo "1175"]
[PlyCount "120"]
[EventDate "2012.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[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. Nf3 Bb4 4. Bd2 b6 5. e3 Bb7 6. a3 Bxc3 7. Bxc3 d6 8. Bb5+ Nbd7 9. 0-0 a6 10. Bd3 0-0 11. Ng5 h6 12. Nf3 Ne4 13. Re1 b5 14. Nd2 Nxd2 15. Bxd2 Qg5 16. e4 Qf6 17. Re3 c5 18. dxc5 dxc5 19. c3 Ne5 20. Bc2 Rfd8 21. Qe2 Nc4 22. Rd3 Rxd3 23. Bxd3 Nxb2 24. Rb1 Nxd3 25. Qxd3 Rd8 26. Qe2 Qg6 27. f3 c4 28. a4 Bc6 29. axb5 axb5 30. Bf4 Rd3 31. Rc1 Qf6 32. Bg3 Rxc3 33. Rb1 Qd4+ 34. Bf2 Qd3 35. Qe1 Rc2 36. Rd1 Qe2 37. Rc1 Qxe1+ 38. Rxe1 Rd2 39. Be3 Rd8 40. Rc1 Rb8 41. Kf2 f5 42. exf5 exf5 43. Bc5 Kf7 44. Ke3 Ke6 45. Kd4 Rd8+ 46. Kc3 Rd3+ 47. Kb4 Rd2 48. Re1+ Kd5 49. Kc3 Rd3+ 50. Kb4 Rb3+ 51. Ka5 Kxc5 52. Ra1 Rb4 53. Ka6 Ra4+ 54. Rxa4 bxa4 55. Ka7 a3 56. Kb8 a2 57. Kc7 a1Q 58. Kd8 Qa7 59. Kc8 Qb7+ 60. Kd8 Qd7# 0-1

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2012.10.20"]
[Round "1"]
[White "Albrecht, Dennis"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "752"]
[BlackElo "996"]
[PlyCount "12"]
[EventDate "2012.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[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. Ng5 Qxg5 5. d3 Qxg2 6. Ke2 Qxf2# 0-1

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2012.10.20"]
[Round "3"]
[White "Rosemeyer, Niklas"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C22"]
[BlackElo "996"]
[PlyCount "142"]
[EventDate "2012.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qc4 Nf6 5. Nc3 Bb4 6. a3 Bxc3+ 7. bxc3 d5 8. Qb5 dxe4 9. Bg5 Bd7 10. Qxb7 Rb8 11. Qa6 Rb6 12. Qc4 0-0 13. Be3 Rb2 14. 0-0-0 Rb8 15. Be2 Qe7 16. Bc5 Be6 17. Bxe7 Bxc4 18. Bxf8 Rxf8 19. Bxc4 Ng4 20. Rd2 Re8 21. Bb5 Re6 22. Bc4 Re8 23. Bd5 Nce5 24. h3 Nf6 25. f4 Ng6 26. f5 Nf4 27. Bc6 Rf8 28. g3 N4h5 29. g4 Nf4 30. g5 N6h5 31. Bxe4 Ng3 32. Rdh2 Nxe4 33. Nf3 Nxc3 34. Ne5 f6 35. gxf6 Rxf6 36. Re1 Rxf5 37. Ng4 Ra5 38. Re8+ Kf7 39. Rh8 h5 40. Rh7 hxg4 41. hxg4 Rxa3 42. Kb2 Nb5 43. Rf2 Ra4 44. Kb3 Re4 45. c4 Nd6 46. c5 Nb5 47. Rh5 Kg6 48. Rh8 Re3+ 49. Kb4 Nd3+ 50. Kxb5 Nxf2 51. c6 Nxg4 52. Ka6 Ne5 53. Kb7 Rc3 54. Kxc7 Rxc6+ 55. Kb7 a5 56. Rc8 Rxc8 57. Kxc8 a4 58. Kc7 a3 59. Kb6 a2 60. Kc5 a1Q 61. Kd5 Nf3 62. Ke4 Nh4 63. Kd5 Kf5 64. Kc6 Qa5 65. Kd6 Ke4 66. Ke6 Qe5+ 67. Kf7 Qf6+ 68. Kg8 Ke5 69. Kh8 g5+ 70. Kh7 Qf7+ 71. Kh6 Qg6# 0-1

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2012.10.20"]
[Round "2"]
[White "Wehrhahn, Duncan"]
[Black "Gaedeken, Arne"]
[Result "1-0"]
[ECO "D01"]
[WhiteElo "996"]
[BlackElo "826"]
[PlyCount "65"]
[EventDate "2012.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bg5 h6 4. Bf4 Nc6 5. Nb5 Rb8 6. Bxc7 Qd7 7. Bxb8 a6 8. Nc3 e6 9. Bf4 Bb4 10. Nf3 0-0 11. e3 b5 12. Bd3 Bb7 13. 0-0 Qe7 14. a3 Bd6 15. Be5 Ng4 16. Bxd6 Qxd6 17. g3 e5 18. dxe5 Ncxe5 19. Nxe5 Nxe5 20. Be4 Rd8 21. Bg2 Qe6 22. f4 Ng4 23. Re1 Nxe3 24. Qd3 d4 25. Bxb7 Qe7 26. Be4 Ng4 27. Bh7+ Kf8 28. Rxe7 Kxe7 29. Qe2+ Kf8 30. Qxg4 dxc3 31. bxc3 Rd2 32. Rd1 Rxc2 33. Bxc2 1-0

[Event "Langenhagen-ch op"]
[Site "Langenhagen"]
[Date "2012.09.30"]
[Round "7"]
[White "Wittur, Helge"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1890"]
[BlackElo "917"]
[PlyCount "95"]
[EventDate "2012.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. e3 d6 5. a3 Bd7 6. b4 Bb6 7. Nc3 Bc6 8. f3 Nbd7 9. b5 Bxb5 10. Nxb5 a6 11. Nc3 0-0 12. Nge2 Nc5 13. d4 exd4 14. exd4 Ne6 15. 0-0 d5 16. c5 Ba5 17. Qd3 c6 18. Nf4 Nxf4 19. Bxf4 Re8 20. Bd6 b6 21. Bh3 Ra7 22. Rae1 Rxe1 23. Rxe1 bxc5 24. Bxc5 Rb7 25. Bb4 Bxb4 26. axb4 Rxb4 27. Qxa6 Rxd4 28. Bf1 h6 29. Qxc6 Rc4 30. Bxc4 dxc4 31. Qxc4 Qd2 32. Re2 Qc1+ 33. Kg2 Qg5 34. Ne4 Nxe4 35. Qxe4 Qb5 36. Qe8+ Qxe8 37. Rxe8+ Kh7 38. g4 f6 39. f4 Kg6 40. Rf8 Kh7 41. h4 Kg6 42. Kf3 Kh7 43. h5 g6 44. Rf7+ Kg8 45. hxg6 h5 46. gxh5 f5 47. h6 Kh8 48. Rf8# 1-0

[Event "Langenhagen-ch op"]
[Site "Langenhagen"]
[Date "2012.09.29"]
[Round "6"]
[White "Wehrhahn, Duncan"]
[Black "Graue, Rainer"]
[Result "1-0"]
[ECO "D51"]
[WhiteElo "917"]
[BlackElo "995"]
[PlyCount "67"]
[EventDate "2012.06.23"]
[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 c6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 h6 6. Bh4 e6 7. Ne5 Be7 8. Nxd7 Qxd7 9. e3 0-0 10. Bd3 b6 11. 0-0 Bb7 12. Re1 Rfe8 13. Qf3 c5 14. cxd5 cxd4 15. exd4 Nxd5 16. Qg3 Bxh4 17. Qxh4 Nxc3 18. bxc3 Rab8 19. Re3 Qc6 20. Rg3 e5 21. Qg4 g5 22. Qf5 Kf8 23. Rf3 Re7 24. Qh7 f6 25. Qh8+ Kf7 26. Qxb8 Qxc3 27. Bg6+ Kxg6 28. Rxc3 exd4 29. Rd3 Rd7 30. Qe8+ Rf7 31. Rxd4 Kg7 32. Rd7 Rxd7 33. Qxd7+ Kg6 34. Qxb7 1-0

[Event "Langenhagen-ch op"]
[Site "Langenhagen"]
[Date "2012.09.15"]
[Round "5"]
[White "Wehrhahn, Duncan"]
[Black "Sejdi, Benjamin"]
[Result "1-0"]
[ECO "E22"]
[WhiteElo "917"]
[BlackElo "707"]
[PlyCount "93"]
[EventDate "2012.06.23"]
[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. Nc3 Nc6 4. Nf3 e6 5. Bg5 Bb4 6. Qb3 h6 7. Bxf6 Qxf6 8. e3 Bd7 9. Bd3 Bxc3+ 10. Qxc3 0-0-0 11. 0-0 e5 12. dxe5 Nxe5 13. Qxe5 Qxe5 14. Nxe5 Rhe8 15. Nxf7 Re7 16. Nxd8 Kxd8 17. cxd5 c6 18. dxc6 Bxc6 19. Rad1 Kc7 20. Rc1 Re5 21. f4 Rxe3 22. Bb5 Re6 23. Bxc6 bxc6 24. f5 Rf6 25. Rce1 a6 26. Re6 Rf7 27. f6 gxf6 28. Rexf6 Rd7 29. Rf7 Kd8 30. Rxd7+ Kxd7 31. Rf6 Kc7 32. Rxh6 Kb6 33. g4 a5 34. g5 Kb5 35. g6 c5 36. g7 a4 37. g8Q Kb4 38. Rh4+ c4 39. Qxc4+ Ka5 40. Rh5+ Kb6 41. Qxa4 Kc7 42. Rh6 Kb7 43. Qa6+ Kc7 44. Qc6+ Kd8 45. Rh8+ Ke7 46. Rh7+ Kf8 47. Qc8# 1-0

[Event "Langenhagen-ch op"]
[Site "Langenhagen"]
[Date "2012.09.01"]
[Round "4"]
[White "Sanasi, Marcello"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1510"]
[BlackElo "917"]
[PlyCount "59"]
[EventDate "2012.06.23"]
[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 Nf6 3. e3 Bg4 4. Nbd2 Nc6 5. a3 e6 6. Bd3 Bd6 7. 0-0 0-0 8. b3 Nd7 9. Bb2 Qf6 10. Qe1 Qh6 11. c4 b6 12. cxd5 exd5 13. Rc1 Ne7 14. Ne5 f6 15. Nxg4 Qh4 16. Nxf6+ Nxf6 17. f4 Qh6 18. Nf3 Rae8 19. Ne5 Bxe5 20. dxe5 Ng4 21. h3 Qh5 22. hxg4 Qxg4 23. Rf3 Nf5 24. Bxf5 Rxf5 25. Rg3 Qh5 26. Rxc7 Re6 27. Rcxg7+ Kf8 28. Qb4+ Ke8 29. Qb5+ Kd8 30. Qd7# 1-0

[Event "Langenhagen-ch op"]
[Site "Langenhagen"]
[Date "2012.07.21"]
[Round "3"]
[White "Azizi, Siar"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "823"]
[BlackElo "917"]
[PlyCount "46"]
[EventDate "2012.06.23"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. Nc3 0-0 6. d3 d6 7. Qe2 Bg4 8. Bg5 h6 9. Be3 Bxe3 10. Qxe3 Nb4 11. Nh4 Nxc2 12. Qd2 Nxa1 13. f3 Bd7 14. Nb5 Bxb5 15. Bxb5 a6 16. Bc4 b5 17. Bd5 Nxd5 18. exd5 Qxh4 19. Rxa1 Qd4+ 20. Kh1 Qxd5 21. Qa5 Rfc8 22. Rc1 Qxd3 23. Rxc7 Qf1# 0-1

[Event "Langenhagen-ch op"]
[Site "Langenhagen"]
[Date "2012.07.07"]
[Round "2"]
[White "Wehrhahn, Duncan"]
[Black "Glaschak, Joachim"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "917"]
[BlackElo "1252"]
[PlyCount "130"]
[EventDate "2012.06.23"]
[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. Nc3 dxc4 4. e4 e6 5. Bxc4 a6 6. Nf3 b5 7. Bb3 b4 8. Ne2 Nxe4 9. Bc2 Bb7 10. Bf4 Bd6 11. Bxd6 Qxd6 12. Qb1 f5 13. Qd1 0-0 14. Qc1 Nd7 15. Ng5 Ndf6 16. Nxe4 Nxe4 17. Qe3 Nf6 18. Qg5 Be4 19. Bxe4 Nxe4 20. Qc1 a5 21. 0-0 Rf6 22. Qf4 h6 23. Qxd6 cxd6 24. f3 Ng5 25. Rac1 Rg6 26. Nf4 Rf6 27. Rc6 Nf7 28. Re1 Re8 29. d5 e5 30. Nh5 Rg6 31. f4 e4 32. Ra6 Rc8 33. Rxa5 Rc2 34. Ra8+ Kh7 35. Ra7 Rgxg2+ 36. Kh1 Rxh2+ 37. Kg1 Rxh5 38. Rxf7 Rxb2 39. Rc1 Rh4 40. Rcc7 Rg4+ 41. Kh1 Rxa2 42. Rb7 e3 43. Rfe7 e2 44. Rxb4 Ra1+ 45. Kh2 e1Q 46. Rxe1 Rxe1 47. Rb6 Rxf4 48. Rxd6 Rd4 49. Rd8 Red1 50. Rf8 Rxd5 51. Kg3 R1d4 52. Rc8 f4+ 53. Kf3 h5 54. Rc1 Kh6 55. Rg1 g5 56. Rg2 g4+ 57. Kf2 Rd2+ 58. Kf1 Rxg2 59. Kxg2 f3+ 60. Kf2 Rd2+ 61. Ke1 f2+ 62. Kf1 g3 63. Kg2 h4 64. Kf1 Rd1+ 65. Kg2 f1Q# 0-1

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2011.10.18"]
[Round "10"]
[White "Wehrhahn, Duncan"]
[Black "Kirch, Christopher"]
[Result "1-0"]
[ECO "E51"]
[WhiteElo "731"]
[BlackElo "798"]
[PlyCount "71"]
[EventDate "2011.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[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. Bd2 Nc6 5. Nf3 Nf6 6. e3 0-0 7. a3 Bxc3 8. Bxc3 Ne4 9. cxd5 exd5 10. Qc2 Nxc3 11. Qxc3 Bg4 12. Be2 Bxf3 13. Bxf3 Re8 14. 0-0 b5 15. Qxc6 Re6 16. Qxd5 Qxd5 17. Bxd5 Ree8 18. Bxa8 Rxa8 19. Rac1 Rc8 20. Rc5 a6 21. a4 bxa4 22. Ra5 Rb8 23. Rb1 Ra8 24. Rxa4 g6 25. h3 f5 26. Rc1 Ra7 27. b4 Rb7 28. Rxa6 Rxb4 29. Rxc7 Rb8 30. d5 Kf8 31. d6 Ke8 32. Rxh7 Rd8 33. Raa7 Rd7 34. Raxd7 g5 35. Rde7+ Kd8 36. Rh8# 1-0

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2011.10.18"]
[Round "11"]
[White "Wehrhahn, Duncan"]
[Black "Phunhon Lopez, Daniel Alejandro"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "731"]
[BlackElo "1199"]
[PlyCount "126"]
[EventDate "2011.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Nf3 Nc6 4. Bf4 a6 5. e3 Bf5 6. Be2 Nb4 7. Bd3 Nxd3+ 8. cxd3 e6 9. 0-0 Be7 10. Re1 0-0 11. e4 dxe4 12. dxe4 Bg6 13. e5 Nd5 14. Nxd5 Qxd5 15. Bg5 Bb4 16. Re3 h6 17. Qa4 Qa5 18. Qxa5 Bxa5 19. Be7 Rfe8 20. Ba3 b5 21. b4 Bb6 22. Ree1 Rad8 23. Bb2 Bh5 24. Rac1 Bxf3 25. gxf3 Bxd4 26. Bxd4 Rxd4 27. Rxc7 Rxb4 28. Ra7 Ra4 29. Re2 Rd8 30. Re4 Rxa2 31. Rf4 Rf8 32. Kf1 f6 33. Rg4 Rf7 34. Ra8+ Kh7 35. exf6 Rxf6 36. Ra7 Rg6 37. Rd4 a5 38. Rd8 b4 39. Raa8 Rf6 40. Rh8+ Kg6 41. Rhg8 Rxf3 42. Ra7 Rf7 43. Ra6 Kf6 44. Rga8 b3 45. Rb8 a4 46. Rab6 a3 47. Rxb3 Ra7 48. Ke1 Ra1+ 49. Kd2 Rh1 50. Kc2 a2 51. Rf3+ Ke7 52. Rff8 a1Q 53. Rfe8+ Kf6 54. Rf8+ Kg6 55. Rfe8 Qc1+ 56. Kd3 Rd1+ 57. Ke4 Ra4+ 58. Ke5 Qc5+ 59. Kxe6 Re1+ 60. Kd7 Rxe8 61. Kxe8 Re4+ 62. Kd8 Qe7+ 63. Kc8 Rc4# 0-1

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2011.10.17"]
[Round "9"]
[White "Korb, Ruben"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C45"]
[BlackElo "731"]
[PlyCount "122"]
[EventDate "2011.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[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. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Nf6 6. e5 Nh5 7. Be2 g6 8. e6 Bg7 9. exd7+ Bxd7 10. Qe4+ Be6 11. Qxb7 0-0 12. 0-0 Bd5 13. Qa6 Re8 14. Nc3 Be4 15. Nxe4 Rxe4 16. Qd3 Qxd3 17. Bxd3 Rg4 18. h3 Rd4 19. Bd2 Rb8 20. Bc3 Rdd8 21. Bxg7 Nxg7 22. b3 Ne6 23. Rad1 Nf4 24. Bc4 a5 25. Rxd8+ Rxd8 26. a3 Ra8 27. Kh2 a4 28. Ra1 axb3 29. cxb3 Kf8 30. a4 Ke8 31. g3 Ne6 32. Bxe6 fxe6 33. Kg2 Kd7 34. Rc1 Kc8 35. Kf3 Kb7 36. Ke4 Kb6 37. Kd4 Rd8+ 38. Kc4 Rd6 39. b4 Rc6+ 40. Kb3 Rxc1 41. a5+ Kb5 42. Kb2 Rc4 43. Kb1 Rxb4+ 44. Kc2 Kxa5 45. Kd3 c5 46. f4 c4+ 47. Kc3 Kb5 48. g4 Rb3+ 49. Kd4 c3 50. Ke5 c2 51. Kxe6 c1Q 52. Kf6 Qxf4+ 53. Kg7 Qg3 54. Kxh7 Qxh3+ 55. Kg7 Qxg4 56. Kf6 Rf3+ 57. Ke5 Qf4+ 58. Kd5 Rd3+ 59. Ke6 Rd6+ 60. Ke7 Qf6+ 61. Ke8 Rd8# 0-1

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2011.10.17"]
[Round "7"]
[White "Wehrhahn, Duncan"]
[Black "Brockmeyer, Tobias"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "731"]
[BlackElo "1101"]
[PlyCount "91"]
[EventDate "2011.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 g6 3. Nf3 Nf6 4. Bf4 Bg7 5. e3 0-0 6. Bc4+ Kh8 7. 0-0 Nc6 8. Nb5 d6 9. Qe1 Re8 10. d5 Ne5 11. Nxe5 dxe5 12. Bxe5 Nxd5 13. Bxg7+ Kxg7 14. Rd1 c6 15. Nc3 e6 16. Nxd5 exd5 17. Qc3+ Qf6 18. Qxf6+ Kxf6 19. Bb3 Be6 20. h3 Rad8 21. Rd2 Rd6 22. f3 b6 23. Re2 c5 24. e4 d4 25. e5+ Ke7 26. exd6+ Kxd6 27. Bxe6 Rxe6 28. Rxe6+ Kxe6 29. Re1+ Kd5 30. c3 dxc3 31. bxc3 Kc4 32. Re7 Kxc3 33. Rxa7 Kb2 34. a4 c4 35. Kf1 c3 36. Rb7 Kc2 37. Ke2 g5 38. Rxb6 h5 39. a5 g4 40. fxg4 hxg4 41. hxg4 fxg4 42. a6 g3 43. a7 Kc1 44. a8Q Kc2 45. Qa2+ Kc1 46. Rb1# 1-0

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2011.10.17"]
[Round "8"]
[White "Wehrhahn, Duncan"]
[Black "Kiesel, Lucas"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "731"]
[BlackElo "920"]
[PlyCount "68"]
[EventDate "2011.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[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. Nc3 Bg7 4. e4 d6 5. Bc4 0-0 6. 0-0 Nbd7 7. Bf4 Re8 8. e5 dxe5 9. dxe5 Ng4 10. Nd4 Ndxe5 11. Bxe5 Nxe5 12. Bb3 c5 13. Nde2 e6 14. Qxd8 Rxd8 15. Rad1 Bd7 16. Ba4 Bxa4 17. Rxd8+ Rxd8 18. Nxa4 Rd2 19. Nf4 Rxc2 20. h3 b6 21. Nd3 Nxd3 22. Rd1 Nxf2 23. Rd8+ Bf8 24. Nc3 Rxb2 25. Kh2 c4 26. Rc8 b5 27. Kg1 Nd3 28. Ne4 Rxa2 29. Nf6+ Kg7 30. Nd7 Bd6 31. Kf1 Ra1+ 32. Ke2 Re1+ 33. Kd2 Bb4+ 34. Kc2 Rc1# 0-1

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2011.10.16"]
[Round "5"]
[White "Balli, Muhammed"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "731"]
[PlyCount "28"]
[EventDate "2011.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. Nf3 Nc6 5. 0-0 0-0 6. d3 d6 7. Bg5 Bg4 8. Nd5 Nd4 9. Bxf6 gxf6 10. c3 Nxf3+ 11. gxf3 Bh3 12. Re1 f5 13. d4 Qg5+ 14. Kh1 Qg2# 0-1

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2011.10.16"]
[Round "6"]
[White "Bruncke, Leon"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "830"]
[BlackElo "731"]
[PlyCount "88"]
[EventDate "2011.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[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. Ng5 Qxg5 5. d4 Qxg2 6. Rf1 Nxd4 7. Be3 Nf3+ 8. Ke2 Bxe3 9. Nc3 Bc5 10. Nd5 Nd4+ 11. Kd2 Nf6 12. Nxc7+ Kd8 13. Nxa8 Nxe4+ 14. Kc1 Qg5+ 15. Kb1 Qd2 16. Bd3 Qxd1+ 17. Rxd1 Nxf2 18. Rd2 Nxd3 19. Rxd3 b6 20. c3 Nc6 21. a3 Ba6 22. Rd5 Bb7 23. Nxb6 Bxb6 24. Rb5 Kc7 25. Ka2 a6 26. Rd5 Re8 27. Rd2 e4 28. Re2 a5 29. Rae1 Na7 30. Kb3 e3 31. Kc2 Ba6 32. Rg2 e2 33. Kd2 Nc6 34. h3 g6 35. h4 f5 36. b4 axb4 37. cxb4 f4 38. Rb1 f3 39. Rh2 f2 40. Re1 f1Q 41. Rxf1 exf1Q 42. Kc3 Qd3+ 43. Kb2 Bd4+ 44. Kc1 Re1# 0-1

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2011.10.16"]
[Round "4"]
[White "Wehrhahn, Duncan"]
[Black "Weissbrot, Boris"]
[Result "0-1"]
[ECO "E51"]
[WhiteElo "731"]
[BlackElo "864"]
[PlyCount "54"]
[EventDate "2011.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[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. Nf3 Nf6 4. Nc3 e6 5. Bd2 c5 6. cxd5 exd5 7. dxc5 Bxc5 8. e3 0-0 9. Be2 Nc6 10. 0-0 d4 11. exd4 Nxd4 12. Nxd4 Bxd4 13. Be3 Bxe3 14. fxe3 Qb6 15. Qd2 Rd8 16. Qc1 Re8 17. Rf3 Bg4 18. Rg3 h5 19. Bxg4 Nxg4 20. Nd5 Qd8 21. Nc7 Rc8 22. h3 Rxc7 23. Qd1 Rd7 24. Qf1 Nxe3 25. Qf2 Nd1 26. Qxa7 Qc7 27. Rg5 Re1# 0-1

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2011.10.15"]
[Round "3"]
[White "Kuzyak, Vadym"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1142"]
[BlackElo "731"]
[PlyCount "67"]
[EventDate "2011.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. f4 Nc6 3. Nf3 Nf6 4. Nc3 d6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. d3 exf4 8. Bxf4 Be7 9. Qd2 0-0 10. 0-0-0 Qd7 11. h4 h6 12. Kb1 Qg4 13. Rh3 Nh5 14. Be3 Rfe8 15. Nh2 Qg6 16. Qf2 Qf6 17. Qe2 Ng3 18. Rxg3 Qxh4 19. Qg4 Qxg4 20. Rxg4 Kh7 21. Bd4 f6 22. Nd5 Bd7 23. Nxc7 Bxg4 24. Nxg4 h5 25. Nxe8 Rxe8 26. Ne3 g5 27. Rh1 h4 28. g3 Kg6 29. gxh4 gxh4 30. Rxh4 f5 31. exf5+ Kf7 32. Rh7+ Kf8 33. f6 Kg8 34. f7+ 1-0

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2011.10.15"]
[Round "1"]
[White "Mehl, Valentin"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C44"]
[BlackElo "731"]
[PlyCount "84"]
[EventDate "2011.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[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. Nc3 Nf6 4. d3 Be7 5. Bg5 0-0 6. Bxf6 Bxf6 7. Qd2 d6 8. 0-0-0 Bg4 9. h3 Bxf3 10. gxf3 Nd4 11. Rg1 Nxf3 12. Qe3 Nxg1 13. Qg3 Nxh3 14. Qxh3 Bg5+ 15. Rd2 Bxd2+ 16. Kxd2 Qg5+ 17. Qe3 Qxe3+ 18. Kxe3 Rfe8 19. Bh3 a5 20. a3 Ra6 21. b4 axb4 22. axb4 c5 23. bxc5 dxc5 24. Nd5 Ra2 25. Kd2 b5 26. Nc7 Re7 27. Nd5 Rb7 28. Bc8 Rb8 29. Bf5 b4 30. Kc1 b3 31. cxb3 Rxb3 32. Ne3 Rxd3 33. Bg4 Rxf2 34. Nd1 Rf4 35. Be2 Rd4 36. Nc3 Rf2 37. Bg4 g6 38. Bd1 Rc4 39. Bb3 Rxc3+ 40. Bc2 Rcxc2+ 41. Kb1 Rce2 42. Kc1 Rf1# 0-1

[Event "Hannover-ch U12"]
[Site "Lehrte"]
[Date "2011.10.15"]
[Round "2"]
[White "Wehrhahn, Duncan"]
[Black "Bruns, Tim Sebastian"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "731"]
[BlackElo "993"]
[PlyCount "77"]
[EventDate "2011.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[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. Nf3 Bb4 5. Bd2 b6 6. e3 Bb7 7. cxd5 exd5 8. Bb5+ c6 9. Be2 Na6 10. 0-0 0-0 11. Ne5 Bd6 12. Nxc6 Bxc6 13. Bxa6 Qc7 14. Bb5 Ne4 15. Bxc6 Qxc6 16. Rc1 Nxd2 17. Qxd2 Bb4 18. a3 Bxc3 19. Rxc3 Qd7 20. Qd3 Rfe8 21. Re1 Rac8 22. Rxc8 Qxc8 23. h3 Qd7 24. e4 Qd6 25. e5 Qe6 26. f4 g6 27. g4 f5 28. g5 Rc8 29. Qa6 Rc7 30. Qb5 Kf7 31. Qb4 a5 32. Qd6 Rd7 33. Qxe6+ Kxe6 34. Rc1 a4 35. Rc6+ Ke7 36. Rxb6 Rc7 37. b3 axb3 38. Rxb3 Ra7 39. Kf2 1-0

[Event "Hannover-ch U10"]
[Site "Lehrte"]
[Date "2010.10.12"]
[Round "13"]
[White "Bozkurt, Emre"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "772"]
[PlyCount "44"]
[EventDate "2010.10.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bg5 Bg4 5. h3 Bxf3 6. gxf3 e6 7. e3 Bb4 8. Ke2 Bxc3 9. bxc3 0-0 10. Bg2 Qe7 11. Ke1 h6 12. Bf4 g5 13. Bxc7 Qxc7 14. Rb1 Rfb8 15. Qd2 Qa5 16. f4 gxf4 17. exf4 Qxa2 18. Qc1 Qa5 19. Ke2 Qxc3 20. Rb3 Nxd4+ 21. Kd1 Nxb3 22. Qb1 Qd2# 0-1

[Event "Hannover-ch U10"]
[Site "Lehrte"]
[Date "2010.10.12"]
[Round "12"]
[White "Wehrhahn, Duncan"]
[Black "Sereda, Polina"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "772"]
[PlyCount "47"]
[EventDate "2010.10.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bg5 Bg4 5. e3 e6 6. Bb5 Bxf3 7. Qxf3 Bb4 8. Bxc6+ bxc6 9. 0-0 0-0 10. e4 dxe4 11. Nxe4 Qxd4 12. Nxf6+ Kh8 13. Qh5 h6 14. Bxh6 Qxf6 15. Bg5+ Kg8 16. Bxf6 gxf6 17. Qg4+ Kh8 18. Qxb4 Rab8 19. Qh4+ Kg8 20. Qxf6 Kh7 21. Rae1 Rg8 22. Re5 Rg6 23. Rh5+ Kg8 24. Qh8# 1-0

[Event "Hannover-ch U10"]
[Site "Lehrte"]
[Date "2010.10.11"]
[Round "9"]
[White "Brockmeyer, Katharina"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C44"]
[BlackElo "772"]
[PlyCount "20"]
[EventDate "2010.10.09"]
[EventType "tourn"]
[EventRounds "13"]
[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. Ng5 Qxg5 4. h4 Qd8 5. Bc4 Nf6 6. d3 Bc5 7. Nc3 d6 8. 0-0 Ng4 9. d4 Qxh4 10. g3 Qh2# 0-1

[Event "Hannover-ch U10"]
[Site "Lehrte"]
[Date "2010.10.11"]
[Round "11"]
[White "Kieback, Tom"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "C49"]
[BlackElo "772"]
[PlyCount "43"]
[EventDate "2010.10.09"]
[EventType "tourn"]
[EventRounds "13"]
[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. Nc3 Nf6 4. Bb5 Bb4 5. 0-0 0-0 6. d3 d5 7. exd5 Nxd5 8. Bg5 f6 9. Nxd5 Qxd5 10. Bc4 Qxc4 11. dxc4 Rd8 12. Qe2 Nd4 13. Nxd4 Rxd4 14. Be3 Bg4 15. f3 Bc5 16. fxg4 Rad8 17. g5 b6 18. gxf6 Rh4 19. Bxc5 bxc5 20. Qf2 Rf4 21. Qg3 Rf8 22. Qxg7# 1-0

[Event "Hannover-ch U10"]
[Site "Lehrte"]
[Date "2010.10.11"]
[Round "10"]
[White "Wehrhahn, Duncan"]
[Black "Kobrin, Daniel"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "772"]
[PlyCount "72"]
[EventDate "2010.10.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 b5 5. Bxb5 Bb7 6. Nd5 a6 7. Nxf6+ gxf6 8. Bxc6 dxc6 9. d3 Qd6 10. d4 Bg7 11. 0-0 0-0-0 12. Be3 Rhe8 13. Qe2 Re7 14. Rad1 Red7 15. dxe5 Qe7 16. Rxd7 Rxd7 17. Rd1 Rxd1+ 18. Qxd1 Qb4 19. exf6 Bxf6 20. e5 Be7 21. e6 fxe6 22. Ne5 Ba8 23. Qd7+ Kb7 24. Qxc6+ Kb8 25. Nd7+ Kc8 26. Qxa8+ Kxd7 27. g3 Qe1+ 28. Kg2 Kd6 29. Qxa6+ Kd7 30. Qd3+ Kc8 31. Qxh7 Qb4 32. Qg8+ Bd8 33. Qxe6+ Kb8 34. Qa6 Qe4+ 35. Kh3 Qf5+ 36. g4 Qf3# 0-1

[Event "Hannover-ch U10"]
[Site "Lehrte"]
[Date "2010.10.10"]
[Round "7"]
[White "Klein, Jana"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "A06"]
[BlackElo "772"]
[PlyCount "52"]
[EventDate "2010.10.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nc6 3. d3 d4 4. Nc3 dxc3 5. Bd2 cxd2+ 6. Qxd2 e5 7. 0-0-0 Bb4 8. c3 Ba5 9. Be2 e4 10. dxe4 Qxd2+ 11. Rxd2 Be6 12. Kd1 Bxa2 13. Rc2 Rd8+ 14. Rd2 Rxd2+ 15. Kxd2 Nf6 16. Rd1 Nxe4+ 17. Ke1 0-0 18. Rd4 Nxd4 19. exd4 c5 20. Bd3 Nf6 21. Ng5 cxd4 22. Kf1 dxc3 23. Ke1 Re8+ 24. Kd1 cxb2 25. Bb1 Bxb1 26. f3 Re1# 0-1

[Event "Hannover-ch U10"]
[Site "Lehrte"]
[Date "2010.10.10"]
[Round "5"]
[White "Ponhun Lopez, Daniel Alejandro"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "D02"]
[BlackElo "772"]
[PlyCount "49"]
[EventDate "2010.10.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nc6 3. g3 Nf6 4. Bg2 Ne4 5. Nc3 Nxc3 6. bxc3 Bg4 7. 0-0 e5 8. dxe5 Nxe5 9. Nxe5 Bh5 10. c4 Qe7 11. Qxd5 Rd8 12. Qxb7 Qxe5 13. Bf4 Qxe2 14. Rfe1 Qxe1+ 15. Rxe1+ Be7 16. Qc6+ Rd7 17. Bh3 0-0 18. Qxd7 Bb4 19. Re8 f6 20. Be6+ Kh8 21. Bf7 Bg4 22. Qxg4 a6 23. Bh6 gxh6 24. Rxf8+ Bxf8 25. Qg8# 1-0

[Event "Hannover-ch U10"]
[Site "Lehrte"]
[Date "2010.10.10"]
[Round "8"]
[White "Wehrhahn, Duncan"]
[Black "Karnbach, Anthea"]
[Result "0-1"]
[ECO "C48"]
[WhiteElo "772"]
[PlyCount "52"]
[EventDate "2010.10.09"]
[EventType "tourn"]
[EventRounds "13"]
[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. Nc3 Nf6 4. Bb5 d5 5. exd5 Nxd5 6. Bxc6+ bxc6 7. Nxd5 Qxd5 8. d3 Bb4+ 9. c3 Ba5 10. b4 Bb6 11. c4 Qd8 12. Nxe5 Qe7 13. f4 Qxb4+ 14. Bd2 Qe7 15. Qa4 0-0 16. 0-0-0 g5 17. g3 Bd4 18. Qxc6 Rb8 19. Nf3 Bb2+ 20. Kc2 Ba3 21. Nxg5 Rb2+ 22. Kc3 Bb4+ 23. Kd4 Rd8+ 24. Qd5 Rxd5+ 25. Kxd5 Bb7+ 26. Kd4 c5# 0-1

[Event "Hannover-ch U10"]
[Site "Lehrte"]
[Date "2010.10.10"]
[Round "6"]
[White "Wehrhahn, Duncan"]
[Black "Wachtel, Noel"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "772"]
[PlyCount "21"]
[EventDate "2010.10.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 c5 2. dxc5 b6 3. cxb6 axb6 4. e4 f5 5. Qh5+ g6 6. Qh4 Bg7 7. exf5 gxf5 8. Qh5+ Kf8 9. Qxf5+ Ke8 10. Be2 Bd4 11. Bh5# 1-0

[Event "Hannover-ch U10"]
[Site "Lehrte"]
[Date "2010.10.09"]
[Round "3"]
[White "Azizi, Siar"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "A07"]
[BlackElo "772"]
[PlyCount "69"]
[EventDate "2010.10.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 Qd7 4. 0-0 Bh3 5. Ne5 Qf5 6. Nf3 Bxg2 7. Kxg2 Nf6 8. Nc3 Ne4 9. g4 Qxg4+ 10. Kh1 e6 11. Rg1 Qh3 12. Qf1 Qh6 13. d3 Nd2 14. Bxd2 f6 15. Bxh6 gxh6 16. Qh3 Ke7 17. Nd4 Ke8 18. Qxe6+ Be7 19. Qxd5 c6 20. Qb3 c5 21. Qxb7 Bd6 22. Qxa8 cxd4 23. Nd5 Rf8 24. Nb4 Bxb4 25. Qxb8+ Kf7 26. Qxb4 Re8 27. Qxd4 Rxe2 28. Rae1 Rxc2 29. Qxa7+ Kf8 30. Qa8+ Kf7 31. Qa4 Rxb2 32. Qc4+ Kf8 33. Rb1 Rxf2 34. Qc5+ Kf7 35. Qxf2 1-0

[Event "Hannover-ch U10"]
[Site "Lehrte"]
[Date "2010.10.09"]
[Round "2"]
[White "Wehrhahn, Duncan"]
[Black "Duman, Deniz"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "772"]
[PlyCount "23"]
[EventDate "2010.10.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 Nc6 3. Nf3 b6 4. e5 Ng4 5. Ng5 Nxf2 6. Kxf2 Bb7 7. Qf3 Qb8 8. Qxf7+ Kd8 9. e6 dxe6 10. Nxe6+ Kc8 11. Qe8+ Nd8 12. Qxd8# 1-0

[Event "Hannover-ch U10"]
[Site "Lehrte"]
[Date "2010.10.09"]
[Round "4"]
[White "Wehrhahn, Duncan"]
[Black "Gaedeken, Arne"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "772"]
[PlyCount "71"]
[EventDate "2010.10.09"]
[EventType "tourn"]
[EventRounds "13"]
[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. Nc3 Nf6 4. Bc4 Nd4 5. Nxe5 Bb4 6. Nxf7 Qe7 7. Nxh8 Bxc3 8. dxc3 Qf8 9. Bf7+ Kd8 10. Qxd4 Qxh8 11. Be6 Ke8 12. Bb3 d6 13. Ba4+ Bd7 14. Bxd7+ Nxd7 15. e5 dxe5 16. Qb4 a5 17. Qa3 c5 18. Qb3 b6 19. Qe6+ Kd8 20. Bg5+ Kc8 21. Qc6+ Kb8 22. Qxd7 Ra7 23. Qd6+ Kc8 24. Qxb6 Rb7 25. Qxc5+ Rc7 26. Qxa5 h6 27. Qa8+ Kd7 28. Rd1+ Ke6 29. Qxh8 hxg5 30. Qe8+ Re7 31. Qc6+ Kf7 32. Qf3+ Kg6 33. Rd6+ Kh7 34. Qh5+ Kg8 35. Rd8+ Re8 36. Rxe8# 1-0

[Event "Hannover-ch U10"]
[Site "Lehrte"]
[Date "2010.10.09"]
[Round "1"]
[White "Wehrhahn, Duncan"]
[Black "Raymann, Lukas"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "772"]
[PlyCount "27"]
[EventDate "2010.10.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 Nf6 3. e5 Ne4 4. Nf3 Qh4 5. Qe2 Bb4+ 6. c3 Ba5 7. Nxh4 Nc6 8. Qxe4 0-0 9. Bd3 g6 10. Bh6 Re8 11. Qf4 Ne7 12. Qf6 Nf5 13. Bxf5 exf5 14. Qg7# 1-0

[Event "Hannover-ch U10"]
[Site "Stadthagen"]
[Date "2009.10.06"]
[Round "10"]
[White "Baars, Soeren"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "734"]
[PlyCount "50"]
[EventDate "2009.10.03"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d5 2. e5 Bf5 3. Bb5+ Nc6 4. Nf3 e6 5. 0-0 f6 6. d4 fxe5 7. dxe5 Bc5 8. Bg5 Nge7 9. Bxe7 Qxe7 10. c3 Bxb1 11. Qxb1 g6 12. Bc4 dxc4 13. Qd1 Rd8 14. Qa4 b5 15. Qa6 Qd7 16. Qxb5 Be7 17. Qxc4 Na5 18. Qf4 g5 19. Qg4 h5 20. Qb4 Bxb4 21. cxb4 Nc4 22. Nxg5 Nxb2 23. Rab1 Qd4 24. Rfd1 Qb6 25. Rxb2 Rxd1# 0-1

[Event "Hannover-ch U10"]
[Site "Stadthagen"]
[Date "2009.10.06"]
[Round "11"]
[White "Wehrhahn, Duncan"]
[Black "Baeuerlein, Michael"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "734"]
[PlyCount "57"]
[EventDate "2009.10.03"]
[EventType "tourn"]
[EventRounds "11"]
[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. d3 Nf6 5. Nc3 0-0 6. Bg5 d6 7. Nd5 Nd4 8. Nxf6+ Kh8 9. Nd5 Qd7 10. Nxd4 Bxd4 11. 0-0 Bxb2 12. Rb1 Ba3 13. Rb3 Qa4 14. Bb5 Qd4 15. Be3 Bg4 16. Qxg4 Qb2 17. Rxb2 Bxb2 18. Nxc7 Rac8 19. Qd7 Rcd8 20. Qg4 Rc8 21. Rb1 Bd4 22. Bxd4 Rxc7 23. Bxa7 Ra8 24. Bb6 Rxc2 25. Qf3 Raxa2 26. Bc4 Rab2 27. Rf1 Rxb6 28. Qxf7 Rbb2 29. Qg8# 1-0

[Event "Hannover-ch U10"]
[Site "Stadthagen"]
[Date "2009.10.05"]
[Round "7"]
[White "Thormann, Georg"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "735"]
[BlackElo "734"]
[PlyCount "89"]
[EventDate "2009.10.03"]
[EventType "tourn"]
[EventRounds "11"]
[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. Bc4 d6 4. d3 Bg4 5. Nc3 Nd4 6. Bb5+ Nxb5 7. Nxb5 Nf6 8. 0-0 Bxf3 9. Qxf3 g6 10. Bg5 Qd7 11. Bxf6 Qxb5 12. Bxh8 f6 13. b3 0-0-0 14. c4 Qb4 15. Qh3+ Rd7 16. Qe6 Qc3 17. Rac1 Qe5 18. Qxe5 fxe5 19. a3 Rd8 20. b4 Bh6 21. b5 Bxc1 22. Rxc1 Rxh8 23. d4 cxd4 24. c5 dxc5 25. Rxc5+ Kb8 26. Rxe5 Rd8 27. Kf1 d3 28. Ke1 d2+ 29. Kd1 Kc8 30. Rxe7 a6 31. b6 Rd6 32. Rc7+ Kb8 33. Rxh7 Kc8 34. f4 Rxb6 35. Kxd2 Rb5 36. e5 Rb6 37. g4 a5 38. f5 gxf5 39. gxf5 Kb8 40. e6 Rc6 41. e7 Rc8 42. f6 b5 43. f7 b4 44. e8Q Rxe8 45. fxe8Q# 1-0

[Event "Hannover-ch U10"]
[Site "Stadthagen"]
[Date "2009.10.05"]
[Round "9"]
[White "Wehrhahn, Duncan"]
[Black "Weissbrot, Boris"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "734"]
[PlyCount "50"]
[EventDate "2009.10.03"]
[EventType "tourn"]
[EventRounds "11"]
[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 Nf6 4. Nc3 Bc5 5. d3 d6 6. Bg5 Bg4 7. Nd5 Nd4 8. Nxf6+ gxf6 9. Bh6 Bxf3 10. gxf3 Rg8 11. c3 Nc6 12. Bd5 Ne7 13. Bxb7 Rb8 14. Bd5 Nxd5 15. exd5 Rg2 16. Qe2 Rxf2 17. Qe4 Rbxb2 18. Qxh7 Rbe2+ 19. Kd1 Rd2+ 20. Bxd2 Rxf3 21. Qg8+ Kd7 22. Rg1 Bxg1 23. Qxg1 Rxd3 24. Qf1 Rxd5 25. c4 Rd4 0-1

[Event "Hannover-ch U10"]
[Site "Stadthagen"]
[Date "2009.10.04"]
[Round "5"]
[White "Schewe, Enora"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C24"]
[BlackElo "734"]
[PlyCount "50"]
[EventDate "2009.10.03"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Qf3 Nf6 3. Bc4 Bc5 4. Nc3 Nc6 5. d4 exd4 6. Na4 Ne5 7. Qf4 d6 8. c3 dxc3 9. bxc3 Nd3+ 10. Bxd3 h6 11. Bc4 g5 12. Qf5 Bxf5 13. exf5 Qd7 14. g3 Qxf5 15. f4 Qe4+ 16. Ne2 Qxh1+ 17. Kd2 Ne4+ 18. Kc2 Be3 19. Bxe3 Qxa1 20. fxg5 Qf1 21. gxh6 c6 22. h4 b5 23. Bd3 bxa4 24. g4 Rb8 25. c4 Qb1# 0-1

[Event "Hannover-ch U10"]
[Site "Stadthagen"]
[Date "2009.10.04"]
[Round "4"]
[White "Wehrhahn, Duncan"]
[Black "Korb, Ruben"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "734"]
[PlyCount "50"]
[EventDate "2009.10.03"]
[EventType "tourn"]
[EventRounds "11"]
[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 Nf6 4. Nc3 Nxe4 5. Nxe4 d5 6. Bb5 dxe4 7. Ng1 Qd5 8. c4 Qd6 9. Ne2 Bg4 10. Qc2 Bf5 11. c5 Qd8 12. Ng3 Bg6 13. d3 exd3 14. Bxd3 Nd4 15. Bg5 Nxc2+ 16. Bxc2 Qxg5 17. Bxg6 Qxg6 18. 0-0 Bxc5 19. h4 0-0 20. h5 Qc2 21. Rfc1 Qxf2+ 22. Kh2 Rad8 23. Ne4 Qf4+ 24. Ng3 Be3 25. Rf1 Qh4# 0-1

[Event "Hannover-ch U10"]
[Site "Stadthagen"]
[Date "2009.10.04"]
[Round "6"]
[White "Wehrhahn, Duncan"]
[Black "Seidenstuecker, Hannah Charlotte"]
[Result "0-1"]
[ECO "C28"]
[WhiteElo "734"]
[BlackElo "721"]
[PlyCount "60"]
[EventDate "2009.10.03"]
[EventType "tourn"]
[EventRounds "11"]
[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 Nf6 4. Nc3 Bb4 5. d3 d6 6. Bg5 Bg4 7. a3 Bxc3+ 8. bxc3 0-0 9. 0-0 Bxf3 10. Qxf3 Na5 11. Bxf6 Qxf6 12. Qxf6 gxf6 13. Rfe1 Nxc4 14. dxc4 c6 15. Re3 b5 16. Rg3+ Kh8 17. h4 bxc4 18. h5 d5 19. exd5 cxd5 20. h6 d4 21. cxd4 exd4 22. Rf3 Rad8 23. Rxf6 d3 24. cxd3 cxd3 25. Rd1 Rd7 26. Rf3 Rfd8 27. g4 d2 28. g5 Rd6 29. Rxf7 Rg6 30. f4 Re6 0-1

[Event "Hannover-ch U10"]
[Site "Stadthagen"]
[Date "2009.10.03"]
[Round "1"]
[White "Brockmeyer, Katharina"]
[Black "Wehrhahn, Duncan"]
[Result "0-1"]
[ECO "C44"]
[BlackElo "734"]
[PlyCount "64"]
[EventDate "2009.10.03"]
[EventType "tourn"]
[EventRounds "11"]
[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. d3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 Nf6 6. Be2 Nd4 7. Nxd4 exd4 8. 0-0 0-0 9. Bg4 Nxg4 10. Na3 d5 11. Nb5 dxe4 12. Nxd4 Qxd4 13. a4 Bf5 14. h3 Ne5 15. c3 Qb6 16. a5 Qb5 17. c4 Qb3 18. Ra3 Nf3+ 19. gxf3 Qxd3 20. Qe1 Qd8 21. f4 Bxh3 22. c5 Bxf1 23. Qxf1 Qh4 24. f5 Qg4+ 25. Qg2 Qd1+ 26. Kh2 Qh5+ 27. Qh3 Qe2 28. Qg2 Rad8 29. Qf1 Qxf1 30. Kg3 Rd3+ 31. Kh2 Qxf2+ 32. Kh1 Rd1# 0-1

[Event "Hannover-ch U10"]
[Site "Stadthagen"]
[Date "2009.10.03"]
[Round "3"]
[White "Kiesel, Lucas"]
[Black "Wehrhahn, Duncan"]
[Result "1-0"]
[ECO "C44"]
[BlackElo "734"]
[PlyCount "101"]
[EventDate "2009.10.03"]
[EventType "tourn"]
[EventRounds "11"]
[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. Bd3 Bb4 4. c3 Bc5 5. 0-0 Nf6 6. h3 d6 7. c4 Nd4 8. Nxd4 Bxd4 9. Qa4+ c6 10. Nc3 Bd7 11. Qb4 c5 12. Qxb7 Rb8 13. Qxa7 Ra8 14. Qb7 Rb8 15. Qa6 Rb6 16. Qa7 Bxc3 17. bxc3 Rb8 18. Qa6 Ra8 19. Qxd6 Bc6 20. Qxc6+ Nd7 21. Bc2 0-0 22. Rd1 Rc8 23. Qa6 Ra8 24. Qb5 Re8 25. Ba4 Re6 26. Qxd7 Qxd7 27. Bxd7 Rd6 28. Bg4 g6 29. Bb2 h5 30. Be2 Rb8 31. Rab1 Rbd8 32. a4 Ra6 33. Ra1 Rb8 34. Rdb1 Rd6 35. Bc1 Rxb1 36. Rxb1 Ra6 37. Ra1 Rb6 38. a5 Ra6 39. d4 cxd4 40. cxd4 exd4 41. c5 f5 42. Bxa6 fxe4 43. Bd2 d3 44. Bc4+ Kh7 45. Be3 d2 46. Bxd2 Kg7 47. Bc3+ Kh6 48. a6 Kg5 49. a7 Kf4 50. a8Q g5 51. Qf8# 1-0

[Event "Hannover-ch U10"]
[Site "Stadthagen"]
[Date "2009.10.03"]
[Round "2"]
[White "Wehrhahn, Duncan"]
[Black "Brockmeyer, Tobias"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "734"]
[BlackElo "814"]
[PlyCount "14"]
[EventDate "2009.10.03"]
[EventType "tourn"]
[EventRounds "11"]
[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 Nd4 4. Nxe5 Qg5 5. Nxf7 Qxg2 6. Rf1 Qxe4+ 7. Be2 Nf3# 0-1

