[Event "Hannover-ch C/D"]
[Site "Lehrte"]
[Date "2008.10.14"]
[Round "6"]
[White "Nolte, Alexander Nicolai"]
[Black "Maetzig, Jonas"]
[Result "0-1"]
[ECO "D78"]
[WhiteElo "1757"]
[BlackElo "1768"]
[PlyCount "33"]
[EventDate "2008.10.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 c6 6. Nf3 d5 7. b3 Nbd7 8. 0-0 dxc4 9. bxc4 Re8 10. e4 c5 11. Rb1 cxd4 12. Nxd4 Nb6 13. c5 Nbd7 14. c6 bxc6 15. Nxc6 Qc7 16. e5 Nxe5 17. Nb5 0-1

[Event "Hannover-ch C/D"]
[Site "Lehrte"]
[Date "2008.10.14"]
[Round "7"]
[White "Ousatchi, Mark"]
[Black "Maetzig, Jonas"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1914"]
[BlackElo "1768"]
[PlyCount "47"]
[EventDate "2008.10.11"]
[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 Nf6 2. d4 e6 3. c4 d5 4. Nc3 Be7 5. Bf4 c6 6. e3 0-0 7. Qc2 Nbd7 8. cxd5 Nxd5 9. Nxd5 exd5 10. Bd3 g6 11. 0-0 Bf6 12. Rac1 Bg7 13. b4 Nf6 14. h3 Bd7 15. Ne5 Nh5 16. Bh2 Bxe5 17. dxe5 Ng7 18. e4 Be6 19. Rfd1 Qb6 20. a3 Rfd8 21. Qc5 Qxc5 22. bxc5 Rd7 23. exd5 Bxd5 24. Be2 1/2-1/2

[Event "Hannover-ch C/D"]
[Site "Lehrte"]
[Date "2008.10.13"]
[Round "5"]
[White "Maetzig, Jonas"]
[Black "Gans, Torsten"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1768"]
[BlackElo "1915"]
[PlyCount "102"]
[EventDate "2008.10.11"]
[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 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be2 0-0 8. 0-0 Bf6 9. Nd4 a6 10. Bf4 d5 11. Bf3 c6 12. Re1 Nd7 13. Re2 Nc5 14. Qd2 Ne6 15. Nxe6 Bxe6 16. Be5 Bxe5 17. Rxe5 Qb6 18. b3 Rad8 19. Qd3 g6 20. Rae1 Qc7 21. h4 Qe7 22. Qd4 Rd6 23. h5 f5 24. h6 Rf6 25. Qc5 g5 26. g4 Qf8 27. gxf5 Rxf5 28. Rxf5 Bxf5 29. Bh5 Re6 30. Qxf8+ Kxf8 31. Rxe6 Bxe6 32. Be2 Bf5 33. Kg2 Ke7 34. Kg3 a5 35. c4 d4 36. Bd3 Bxd3 37. cxd3 Kf6 38. f4 Kf5 39. fxg5 Kxg5 40. Kf3 Kxh6 41. Ke4 c5 42. Kd5 b6 43. Kc6 Kg5 44. Kxb6 h5 45. Kxc5 h4 46. b4 axb4 47. Kxd4 h3 48. Kc5 h2 49. d4 h1Q 50. d5 Qg1+ 51. Kc6 Qa7 0-1

[Event "Hannover-ch C/D"]
[Site "Lehrte"]
[Date "2008.10.13"]
[Round "4"]
[White "Zuerik, Walter"]
[Black "Maetzig, Jonas"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1815"]
[BlackElo "1768"]
[PlyCount "71"]
[EventDate "2008.10.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 Nc6 5. c3 cxd4 6. exd4 d5 7. 0-0 Be7 8. Nbd2 0-0 9. Ne5 Nxe5 10. dxe5 Nd7 11. f4 f5 12. Nf3 Nc5 13. Bc2 Ne4 14. Be3 b6 15. Nd4 Bc5 16. Qe2 Bxd4 17. Bxd4 Bb7 18. a4 Rc8 19. a5 Nc5 20. axb6 axb6 21. Ra7 Ra8 22. Rfa1 Rxa7 23. Rxa7 Qb8 24. Ra3 Qc7 25. b4 Nd7 26. Bd3 Ra8 27. Qa2 Rxa3 28. Qxa3 Qc6 29. Qa7 b5 30. Qa5 Ba6 31. Qd8+ Kf7 32. g4 fxg4 33. Bxh7 Nf8 34. Bd3 Bb7 35. Bc5 Ng6 36. Qg5 1-0

[Event "Hannover-ch C/D"]
[Site "Lehrte"]
[Date "2008.10.12"]
[Round "3"]
[White "Maetzig, Jonas"]
[Black "Neumair, Jerome"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1768"]
[BlackElo "1980"]
[PlyCount "80"]
[EventDate "2008.10.11"]
[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 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Ne7 6. 0-0 Bg4 7. c3 Nbc6 8. Nbd2 Qd7 9. b4 f6 10. b5 Nd8 11. c4 Ne6 12. Qb3 Bf4 13. cxd5 Nxd5 14. Bc4 c6 15. Re1 Kf7 16. h3 Bh5 17. g4 Bg6 18. Nf1 Bxc1 19. Raxc1 Nef4 20. Nh4 h5 21. bxc6 bxc6 22. Bxd5+ cxd5 23. Qg3 Qd6 24. Ng2 Nxh3+ 25. Qxh3 hxg4 26. Qxg4 Rh6 27. Qf4 Qa3 28. Qc7+ Kg8 29. Rc3 Qb4 30. Qc5 Qxc5 31. Rxc5 Rh5 32. Ng3 Rg5 33. Nh4 Be4 34. Kh2 f5 35. Nxe4 fxe4 36. Rxe4 Rf8 37. f4 Rg4 38. Kh3 Rxh4+ 39. Kxh4 dxe4 40. Kg4 Rd8 1/2-1/2

[Event "Hannover-ch C/D"]
[Site "Lehrte"]
[Date "2008.10.11"]
[Round "1"]
[White "Maetzig, Jonas"]
[Black "Ehlert, Horst"]
[Result "1/2-1/2"]
[ECO "B29"]
[WhiteElo "1768"]
[BlackElo "1935"]
[PlyCount "40"]
[EventDate "2008.10.11"]
[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 Nf6 3. Nc3 Nc6 4. d4 d5 5. exd5 Nxd5 6. Nxd5 Qxd5 7. Be3 cxd4 8. Nxd4 Nxd4 9. Qxd4 Qxd4 10. Bxd4 Bd7 11. Bd3 Bc6 12. 0-0 e6 13. Rfe1 Be7 14. Be4 Bxe4 15. Rxe4 0-0 16. Re3 Rfd8 17. Rd1 Rac8 18. c3 Rd7 19. Kf1 Rcd8 20. Ke2 Bc5 1/2-1/2

[Event "Hannover-ch C/D"]
[Site "Lehrte"]
[Date "2008.10.11"]
[Round "2"]
[White "Roehrkasten, Reinhard"]
[Black "Maetzig, Jonas"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "1899"]
[BlackElo "1768"]
[PlyCount "64"]
[EventDate "2008.10.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Bg5 Nbd7 7. Qd2 Re8 8. Be2 e5 9. d5 Qe7 10. 0-0 Qf8 11. h3 h6 12. Be3 Nc5 13. Qc2 Nh5 14. b4 Na6 15. Rab1 f5 16. Ne1 Nf4 17. f3 Qe7 18. Kh2 Qh4 19. Bf2 Qh5 20. Nd3 Qg5 21. g3 Nxh3 22. Be1 h5 23. b5 Nb8 24. c5 f4 25. gxf4 Nxf4 26. Rg1 Qf6 27. cxd6 cxd6 28. Nxf4 Qxf4+ 29. Kg2 Bh6 30. Bg3 Qg5 31. Rh1 Rf8 32. Rbg1 Bd7 1/2-1/2

[Event "Hannover-ch C/D"]
[Site "Bueckeburg"]
[Date "2007.11.04"]
[Round "7"]
[White "Maetzig, Jonas"]
[Black "Orlowski, Thomas"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "1789"]
[BlackElo "1727"]
[PlyCount "31"]
[EventDate "2007.11.01"]
[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 Nf6 4. d3 Be7 5. c3 0-0 6. 0-0 d6 7. Nbd2 Na5 8. Bb5 Bd7 9. Bxd7 Qxd7 10. b4 Nc6 11. a3 a6 12. c4 Nd8 13. d4 exd4 14. Nxd4 g6 15. Bb2 Ne6 16. Qc2 1/2-1/2

[Event "Hannover-ch C/D"]
[Site "Bueckeburg"]
[Date "2007.11.03"]
[Round "6"]
[White "Hansen, Marc"]
[Black "Maetzig, Jonas"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "1797"]
[BlackElo "1789"]
[PlyCount "46"]
[EventDate "2007.11.01"]
[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 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 dxc4 5. a4 e6 6. Bg5 Qb6 7. Qc2 Nbd7 8. e4 Qb3 9. Qxb3 cxb3 10. Bc4 Bb4 11. Nd2 0-0 12. Bxb3 h6 13. Bh4 c5 14. dxc5 g5 15. Bg3 Nxc5 16. Bc2 Rd8 17. 0-0-0 b6 18. f3 Ba6 19. Nb5 Bxb5 20. axb5 a6 21. bxa6 Rxa6 22. Nb3 Rc8 23. Nxc5 Ra1+ 0-1

[Event "Hannover-ch C/D"]
[Site "Bueckeburg"]
[Date "2007.11.03"]
[Round "5"]
[White "Maetzig, Jonas"]
[Black "Zuerik, Walter"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1789"]
[BlackElo "1788"]
[PlyCount "60"]
[EventDate "2007.11.01"]
[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 e6 2. Qe2 c5 3. Nf3 Be7 4. g3 d5 5. exd5 exd5 6. Bg2 Nc6 7. c3 Nf6 8. 0-0 0-0 9. d4 Re8 10. Qd3 Ne4 11. Nbd2 Bf5 12. Qb5 Qb6 13. Qxb6 axb6 14. Re1 h6 15. Nxe4 Bxe4 16. Be3 Bd6 17. a3 Na5 18. dxc5 bxc5 19. b4 Nb3 20. Rab1 Bxb1 21. Rxb1 Rxa3 22. bxc5 Nxc5 23. Nd4 Bf8 24. Bxd5 Rxc3 25. Bxb7 Nxb7 26. Rxb7 Bc5 27. Nb5 Rc4 28. Rc7 Re5 29. Nd6 Rc3 30. Nb5 Rcxe3 0-1

[Event "Hannover-ch C/D"]
[Site "Bueckeburg"]
[Date "2007.11.02"]
[Round "4"]
[White "Loewe, Lennard"]
[Black "Maetzig, Jonas"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1755"]
[BlackElo "1789"]
[PlyCount "87"]
[EventDate "2007.11.01"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Be7 8. Qd2 b5 9. g4 0-0 10. 0-0-0 Bb7 11. g5 Ne8 12. h4 Nd7 13. h5 e5 14. Nf5 g6 15. Nxe7+ Qxe7 16. Nd5 Bxd5 17. Qxd5 Rc8 18. hxg6 hxg6 19. Rd2 Ng7 20. Rh6 Qe6 21. Bh3 Qxd5 22. Rxd5 Rc7 23. Rxd6 Nc5 24. Rd5 Nce6 25. Bxe6 Nxe6 26. Rxe5 Rfc8 27. Rh2 Nc5 28. Rxc5 Rxc5 29. Bxc5 Rxc5 30. f4 Rc4 31. Re2 Kf8 32. Kd2 Ke7 33. Ke3 Ke6 34. c3 a5 35. Rd2 Rc5 36. Rd5 Rxd5 37. exd5+ Kxd5 38. b3 a4 39. Kd3 Ke6 40. Ke4 axb3 41. axb3 f5+ 42. Kd4 Kd6 43. c4 bxc4 44. bxc4 1-0

[Event "Hannover-ch C/D"]
[Site "Bueckeburg"]
[Date "2007.11.02"]
[Round "3"]
[White "Maetzig, Jonas"]
[Black "Hampel, Felix"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1789"]
[BlackElo "1918"]
[PlyCount "68"]
[EventDate "2007.11.01"]
[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 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. c3 Nge7 7. 0-0 0-0 8. Na3 d5 9. Qe2 Qc7 10. Nc2 b5 11. d4 c4 12. Nfe1 a5 13. a3 Ba6 14. e5 Qb6 15. Kh1 b4 16. axb4 axb4 17. f4 bxc3 18. bxc3 Na5 19. Ba3 Rfe8 20. Bc5 Qb5 21. Nb4 Nb3 22. Rxa6 Rxa6 23. Nxa6 Qxa6 24. Bxe7 Rxe7 25. Nc2 Qa5 26. Qe1 Ra7 27. Bf3 Bf8 28. Bd1 Qa2 29. Rf2 Qb1 30. Ne3 Ra1 31. Rf3 Ba3 32. h3 Bc1 33. Rf1 Bd2 34. Qe2 Qe4+ 0-1

[Event "Hannover-ch C/D"]
[Site "Bueckeburg"]
[Date "2007.11.01"]
[Round "2"]
[White "Maetzig, Jonas"]
[Black "Gisy, Roberto"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1789"]
[BlackElo "1735"]
[PlyCount "57"]
[EventDate "2007.11.01"]
[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 Nf6 4. d3 Be7 5. 0-0 d5 6. exd5 Nxd5 7. Re1 f6 8. d4 Nb6 9. Bb5 exd4 10. Nxd4 Bd7 11. Nxc6 Bxc6 12. Bxc6+ bxc6 13. Qh5+ g6 14. Qf3 Qd5 15. Qxf6 0-0-0 16. Qxe7 Rhe8 17. Qxe8 Rxe8 18. Rxe8+ Kd7 19. Re1 Nc4 20. Nc3 Qa5 21. a3 Qb6 22. b3 Nd6 23. Be3 Qa5 24. Na4 Qf5 25. Nc5+ Kc8 26. c4 Kd8 27. Rad1 Kc8 28. b4 Nxc4 29. Bg5 1-0

[Event "Hannover-ch C/D"]
[Site "Bueckeburg"]
[Date "2007.11.01"]
[Round "1"]
[White "Muesing, Sebastian"]
[Black "Maetzig, Jonas"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2069"]
[BlackElo "1789"]
[PlyCount "113"]
[EventDate "2007.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. d4 d5 4. e3 g6 5. Nf3 Bg7 6. Bd3 0-0 7. 0-0 Nbd7 8. b3 Qc7 9. Bb2 e5 10. cxd5 Nxd5 11. Nxd5 cxd5 12. Rc1 Qd6 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Bxe5 Qxe5 16. Qf3 Be6 17. Qg3 Qxg3 18. hxg3 Rac8 19. Be2 Rxc1 20. Rxc1 Rc8 21. Rxc8+ Bxc8 22. Bf3 Be6 23. Kf1 Kf8 24. Ke2 Ke7 25. Kd3 Kd6 26. Kd4 f5 27. b4 b5 28. a3 a6 29. Be2 Bc8 30. Bd1 Bd7 31. Bc2 Bc6 32. Bb3 Bb7 33. Bc2 Bc6 34. f3 Bb7 35. Bb3 Bc6 36. Bd1 Bd7 37. Be2 Bc8 38. Bd3 Bb7 39. Bb1 Bc6 40. g4 fxg4 41. fxg4 Bb7 42. g5 Bc6 43. Bd3 Bb7 44. Be2 Bc8 45. Bf3 Be6 46. g3 Bf7 47. Bg4 Be6 48. Bxe6 Kxe6 49. e4 dxe4 50. Kxe4 Kd6 51. Kd4 Ke6 52. Kc5 Kf5 53. Kb6 Kxg5 54. Kxa6 h5 55. Kxb5 h4 56. gxh4+ Kxh4 57. Kc6 1-0

[Event "Hannover-ch U18"]
[Site "Lehrte"]
[Date "2006.10.17"]
[Round "7"]
[White "Polnau, Manuel"]
[Black "Maetzig, Jonas"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "1966"]
[BlackElo "1590"]
[PlyCount "99"]
[EventDate "2006.10.14"]
[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. Bc4 Nc6 3. Nc3 Nf6 4. d3 d6 5. f4 Be7 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Qd7 9. 0-0 Nd4 10. Qf2 c6 11. Be3 Ne6 12. Ne2 Bf8 13. Bb3 Qe7 14. Ng3 Nd7 15. Nf5 Qf6 16. fxe5 dxe5 17. Qg3 Qg6 18. Qxg6 hxg6 19. Bxe6 gxf5 20. Bxd7+ Kxd7 21. Rxf5 f6 22. d4 exd4 23. Bxd4 Rh4 24. Re1 Re8 25. c3 Rhxe4 26. Rxe4 Rxe4 27. Kf2 Ke6 28. Rf3 Kd5 29. b3 b6 30. Rd3 Ke6 31. Kf3 Rh4 32. c4 Bd6 33. Bf2 Rf4+ 34. Ke2 Rf5 35. Bg3 Bxg3 36. Rxg3 Rg5 37. Re3+ Re5 38. Rxe5+ Kxe5 39. Ke3 g5 40. g3 Kf5 41. Kd4 Ke6 42. Ke4 f5+ 43. Kf3 Ke5 44. h4 g4+ 45. Ke3 f4+ 46. gxf4+ Kf5 47. b4 b5 48. c5 a6 49. a3 Kg6 50. Kf2 1-0

[Event "Hannover-ch U18"]
[Site "Lehrte"]
[Date "2006.10.16"]
[Round "6"]
[White "Juenemann, Marcel"]
[Black "Maetzig, Jonas"]
[Result "1-0"]
[ECO "C96"]
[WhiteElo "1702"]
[BlackElo "1590"]
[PlyCount "87"]
[EventDate "2006.10.14"]
[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 a6 4. Ba4 Nf6 5. 0-0 d6 6. Re1 Be7 7. c3 0-0 8. h3 b5 9. Bb3 Na5 10. Bc2 c5 11. d4 cxd4 12. cxd4 Nc6 13. Nc3 Re8 14. Ne2 Bb7 15. Ng3 Bf8 16. Bb3 g6 17. h4 h5 18. Ng5 Re7 19. Be3 Qd7 20. f4 Qg4 21. Qxg4 Nxg4 22. dxe5 dxe5 23. f5 Nxe3 24. Rxe3 Nd4 25. fxg6 Nxb3 26. gxf7+ Rxf7 27. Rxb3 Rf4 28. Nf5 Bxe4 29. Nxe4 Rxe4 30. Rg3+ Rg4 31. Rxg4+ hxg4 32. Re1 Kf7 33. Rxe5 Kf6 34. Rd5 Ke6 35. Ne3 Bh6 36. Rd3 Bxe3+ 37. Rxe3+ Kf5 38. Kf2 Rd8 39. Ke2 Rd6 40. g3 Rd5 41. Re8 Rd6 42. Rf8+ Kg6 43. Rg8+ Kh5 44. Rg5+ 1-0

[Event "Hannover-ch U18"]
[Site "Lehrte"]
[Date "2006.10.16"]
[Round "5"]
[White "Maetzig, Jonas"]
[Black "Nauel, Marwin"]
[Result "1/2-1/2"]
[ECO "B55"]
[WhiteElo "1590"]
[BlackElo "1419"]
[PlyCount "57"]
[EventDate "2006.10.14"]
[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 d6 3. d4 cxd4 4. Nxd4 e6 5. c4 Nf6 6. Nc3 Be7 7. f3 0-0 8. Be3 Nc6 9. Be2 Nxd4 10. Qxd4 b6 11. Rd1 Ba6 12. 0-0 Qc7 13. Rd2 Rfd8 14. Rfd1 Rac8 15. b3 Qc6 16. Bg5 Kf8 17. Kh1 Qc5 18. Qxc5 dxc5 19. Rxd8+ Rxd8 20. Rxd8+ Bxd8 21. e5 h6 22. exf6 hxg5 23. fxg7+ Kxg7 24. Ne4 f5 25. Nd6 Kf6 26. Kg1 Ke7 27. Nb5 Bxb5 28. cxb5 Bc7 29. Bc4 1/2-1/2

[Event "Hannover-ch U18"]
[Site "Lehrte"]
[Date "2006.10.15"]
[Round "3"]
[White "Maetzig, Jonas"]
[Black "Schrader, Dennis"]
[Result "1/2-1/2"]
[ECO "C30"]
[WhiteElo "1590"]
[BlackElo "1407"]
[PlyCount "87"]
[EventDate "2006.10.14"]
[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. f4 d6 3. Nf3 Nc6 4. Bc4 Bg4 5. h3 Bxf3 6. Qxf3 Qh4+ 7. g3 Nd4 8. Qd3 Qf6 9. c3 Nc6 10. Qe3 g6 11. d3 Nge7 12. Na3 a6 13. Nc2 Na5 14. Bb3 Nxb3 15. axb3 exf4 16. Qxf4 Bg7 17. Qxf6 Bxf6 18. Rf1 Bg7 19. Bg5 Nc6 20. Ne3 Ne5 21. d4 Nd7 22. Nd5 Rc8 23. 0-0-0 c6 24. Ne3 Nb6 25. Nc4 Nxc4 26. bxc4 0-0 27. Rde1 Rfe8 28. Bf4 Rcd8 29. d5 c5 30. Re3 Be5 31. Kc2 Bxf4 32. Rxf4 Kg7 33. Kd3 Re5 34. Ref3 Rd7 35. Rf6 h5 36. h4 b6 37. b4 a5 38. bxa5 bxa5 39. Rf1 Re8 40. R6f2 a4 41. Ra2 Ra8 42. Rfa1 Rda7 43. Ke3 a3 44. Kf3 1/2-1/2

[Event "Hannover-ch U18"]
[Site "Lehrte"]
[Date "2006.10.15"]
[Round "4"]
[White "Nuelle, Sascha"]
[Black "Maetzig, Jonas"]
[Result "0-1"]
[ECO "C87"]
[WhiteElo "1436"]
[BlackElo "1590"]
[PlyCount "44"]
[EventDate "2006.10.14"]
[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 a6 4. Ba4 Nf6 5. 0-0 d6 6. Re1 Bg4 7. c3 Be7 8. d4 exd4 9. cxd4 b5 10. d5 Ne5 11. Bc2 Nxf3+ 12. gxf3 Bh3 13. Bf4 g5 14. Be3 Rg8 15. Nd2 g4 16. f4 h5 17. Bd3 h4 18. Bf1 Bxf1 19. Rxf1 Qd7 20. Rc1 g3 21. f5 Ng4 22. h3 gxf2+ 0-1

[Event "Hannover-ch U18"]
[Site "Lehrte"]
[Date "2006.10.14"]
[Round "2"]
[White "Knoke, Tobias"]
[Black "Maetzig, Jonas"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1675"]
[BlackElo "1590"]
[PlyCount "61"]
[EventDate "2006.10.14"]
[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 Nf6 5. Bg5 d6 6. h3 Qe7 7. Nc3 Be6 8. Nd5 Bxd5 9. Bxd5 h6 10. Bh4 Qd7 11. Bxf6 gxf6 12. c3 0-0-0 13. b4 Bb6 14. Qb3 Rh7 15. a4 a5 16. Nd2 axb4 17. cxb4 Nd4 18. Qd1 c6 19. a5 cxd5 20. axb6 Qb5 21. Ra8+ Kd7 22. Qg4+ f5 23. Rxd8+ Kxd8 24. Qg8+ Ke7 25. 0-0 Qxb4 26. Nb1 fxe4 27. Qxh7 Ne2+ 28. Kh2 Nf4 29. dxe4 d4 30. Qxh6 d3 31. g3 1-0

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.05.25"]
[Round "11"]
[White "Lips, Christian"]
[Black "Maetzig, Jonas"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1340"]
[BlackElo "1296"]
[PlyCount "73"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Nxe4 8. Bxb4 Nxb4 9. Bxf7+ Kxf7 10. Qb3+ d5 11. Qxb4 Re8 12. 0-0 Qe7 13. Qb3 c6 14. Nc3 Nxc3 15. Qxc3 Qd8 16. Rfe1 Be6 17. Qd2 Qf6 18. Qg5 h6 19. Qh5+ Kg8 20. Re2 Re7 21. Rae1 Bf7 22. Qh4 Rxe2 23. Rxe2 Re8 24. Qxf6 gxf6 25. Rxe8+ Bxe8 26. Nh4 Kf7 27. Nf5 Bd7 28. Nd6+ Ke6 29. Nxb7 Kf5 30. Nc5 Be6 31. Kf1 Bf7 32. Ke2 Kf4 33. f3 Kf5 34. Ke3 h5 35. h4 Bg6 36. g3 Be8 37. a3 1-0

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.05.24"]
[Round "10"]
[White "Maetzig, Jonas"]
[Black "Lutz, Bernhard"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1296"]
[BlackElo "1446"]
[PlyCount "33"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Be2 Bb5 7. 0-0 Bxe2 8. Qxe2 Nc6 9. Be3 cxd4 10. cxd4 Nge7 11. Nc3 Ng6 12. a3 Be7 13. Rfd1 0-0 14. Rac1 Qd8 15. Qb5 Qd7 16. Qd3 f6 17. exf6 1/2-1/2

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.05.23"]
[Round "9"]
[White "Fischer, Benjamin"]
[Black "Maetzig, Jonas"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "1524"]
[BlackElo "1296"]
[PlyCount "33"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 dxc4 5. e3 b5 6. a4 b4 7. Na2 a5 8. Bxc4 Nbd7 9. Nf3 e6 10. Ne5 Nxe5 11. dxe5 Qxd1+ 12. Rxd1 Nd7 13. 0-0 Bc5 14. Rfe1 0-0 15. f4 Nb6 16. Bd3 Nxa4 17. Rb1 1/2-1/2

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.05.23"]
[Round "8"]
[White "Maetzig, Jonas"]
[Black "Reh, Theresa"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1296"]
[BlackElo "1384"]
[PlyCount "33"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Qd3 Bxc3+ 8. bxc3 d5 9. f3 0-0 10. Bg5 dxe4 11. Qxd8 Rxd8 12. Bxf6 gxf6 13. fxe4 f5 14. Bd3 f4 15. 0-0-0 Bg4 16. Rdf1 Rac8 17. Kb1 1/2-1/2

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.05.22"]
[Round "7"]
[White "Jehle, Anja"]
[Black "Maetzig, Jonas"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1402"]
[BlackElo "1296"]
[PlyCount "60"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 d6 5. h3 Nf6 6. d3 h6 7. 0-0 Bd7 8. Be3 Bb6 9. a3 Qe7 10. Qd2 0-0-0 11. Bxb6 axb6 12. Nd5 Nxd5 13. Bxd5 Rhg8 14. a4 g5 15. g4 h5 16. Nh2 hxg4 17. Nxg4 Rh8 18. Qe3 f6 19. a5 Nxa5 20. b4 Bxg4 21. hxg4 Qh7 22. Kg2 Qh2+ 23. Kf3 Rh3+ 24. Ke2 Rxe3+ 25. Kxe3 Qf4+ 26. Ke2 Nc6 27. Ra8+ Kd7 28. Rxd8+ Nxd8 29. Rh1 Qxg4+ 30. Ke1 c6 0-1

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.05.21"]
[Round "6"]
[White "Maetzig, Jonas"]
[Black "Bartsch, Tom"]
[Result "1/2-1/2"]
[ECO "B80"]
[WhiteElo "1296"]
[BlackElo "1113"]
[PlyCount "36"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 Be7 8. Qd2 Bd7 9. g4 h6 10. 0-0-0 Nc6 11. Be2 Qc7 12. h4 0-0-0 13. g5 hxg5 14. hxg5 Nh5 15. Bf2 e5 16. Nb3 Be6 17. Na4 Qb8 18. Nb6+ Kc7 1/2-1/2

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.05.20"]
[Round "5"]
[White "Heistermann, Till"]
[Black "Maetzig, Jonas"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1483"]
[BlackElo "1296"]
[PlyCount "45"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Bc5 6. Re1 0-0 7. c3 b5 8. Bc2 Re8 9. d4 exd4 10. cxd4 Ba7 11. Bg5 h6 12. Bh4 Re7 13. e5 Nd5 14. Bxe7 Ncxe7 15. Nbd2 c5 16. Ne4 cxd4 17. Nxd4 Qb6 18. Nf3 Bb7 19. Qd2 Rc8 20. Nd6 Rc7 21. Nxb7 Rxb7 22. Be4 Qe6 23. Rad1 1-0

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.05.20"]
[Round "4"]
[White "Maetzig, Jonas"]
[Black "Koenig, Laura"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1296"]
[BlackElo "694"]
[PlyCount "49"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 Nf6 2. d3 d5 3. e5 Nfd7 4. Nf3 Nb6 5. Bf4 Bg4 6. Be2 Nc6 7. Nc3 g6 8. Nd4 Bxe2 9. Ndxe2 Bg7 10. d4 0-0 11. Qd2 Nc4 12. Qc1 Bh8 13. b3 Nb6 14. Bh6 Re8 15. h4 e6 16. h5 Ne7 17. Bg5 Rf8 18. Qf4 Qd7 19. h6 Rac8 20. Bf6 Bxf6 21. Qxf6 Nf5 22. g4 Nxh6 23. Rxh6 c5 24. 0-0-0 a6 25. Rxh7 1-0

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.05.20"]
[Round "3"]
[White "Weber, Kristina"]
[Black "Maetzig, Jonas"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1209"]
[BlackElo "1296"]
[PlyCount "39"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nf3 Bc5 4. d3 d6 5. 0-0 Bg4 6. c3 Nf6 7. Be3 Bb6 8. Nbd2 d5 9. exd5 Nxd5 10. Bxb6 axb6 11. Qb3 Na5 12. Qa4+ Nc6 13. Qc2 0-0 14. Rfe1 Re8 15. Bb5 Qf6 16. Bxc6 bxc6 17. d4 exd4 18. Nxd4 Re7 19. Rxe7 Nxe7 20. Ne4 1/2-1/2

[Event "Niedersachsen-ch U12"]
[Site "Meppen"]
[Date "2002.03.29"]
[Round "9"]
[White "Maetzig, Jonas"]
[Black "Geis, Raoul Marian"]
[Result "1/2-1/2"]
[ECO "C26"]
[PlyCount "24"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 Nf6 5. Nge2 0-0 6. 0-0 d6 7. Na4 Bb6 8. Nxb6 cxb6 9. d3 Bg4 10. h3 Bh5 11. c3 Re8 12. Qc2 d5 1/2-1/2

[Event "Niedersachsen-ch U12"]
[Site "Meppen"]
[Date "2002.03.28"]
[Round "8"]
[White "Maetzig, Jonas"]
[Black "Collmann, Martin"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "69"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Be3 Nf6 6. Nc3 g6 7. f3 Bg7 8. Qd2 0-0 9. 0-0-0 a5 10. Bb5 Bd7 11. Bh6 Nxd4 12. Bxd7 Qxd7 13. Bxg7 Nxf3 14. gxf3 Kxg7 15. Qd4 Qc7 16. h4 Rac8 17. h5 b5 18. Rd2 b4 19. h6+ Kg8 20. Nd5 Qd8 21. f4 Re8 22. e5 dxe5 23. Qxe5 Kh8 24. Re1 Qd6 25. Nxf6 Qxf6 26. Qxf6+ exf6 27. Red1 g5 28. f5 Rg8 29. b3 g4 30. Rg2 Rc5 31. Rf1 Rg5 32. Re2 g3 33. Re8+ Rg8 34. Rfe1 Rxf5 35. Rxg8+ 1-0

[Event "Niedersachsen-ch U12"]
[Site "Meppen"]
[Date "2002.03.27"]
[Round "6"]
[White "Falk, Kristoffer"]
[Black "Maetzig, Jonas"]
[Result "0-1"]
[ECO "C65"]
[PlyCount "46"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. Nc3 Bd7 6. Bxc6 bxc6 7. 0-0 Be7 8. d4 Bg4 9. dxe5 Bxf3 10. Qxf3 dxe5 11. Rd1 Bd6 12. Qg3 g6 13. Bg5 Nh5 14. Bxd8 Nxg3 15. Bf6 0-0 16. hxg3 Rab8 17. b3 Rfe8 18. Bg5 Re6 19. f4 Bc5+ 20. Kh2 Kg7 21. Rd7 Rc8 22. fxe5 Rxe5 23. Bf4 Rh5# 0-1

[Event "Niedersachsen-ch U12"]
[Site "Meppen"]
[Date "2002.03.27"]
[Round "7"]
[White "Maetzig, Jonas"]
[Black "Wall, Henrik"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "78"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. Nc3 Bg4 6. Be3 Bxe3 7. fxe3 Nf6 8. h3 Bd7 9. Qd2 Qe7 10. Ng5 0-0 11. 0-0-0 h6 12. Nf3 Kh7 13. g4 g5 14. Kb1 Rh8 15. d4 Rag8 16. d5 Nb8 17. Rdf1 Kg7 18. Qg2 Kf8 19. Be2 c6 20. Nd2 Ne8 21. Rf2 Nc7 22. Rhf1 Be8 23. dxc6 Nxc6 24. Bc4 Nd8 25. Rf6 Kg7 26. Qf3 Nce6 27. Bxe6 Nxe6 28. Rf5 Rf8 29. Nd5 Qd8 30. Nf6 Qe7 31. Nxe8+ Qxe8 32. Nc4 Nd8 33. h4 Qe7 34. h5 b5 35. Na5 Qc7 36. Nb3 Qe7 37. Rf6 a6 38. Nd2 Qd7 39. c4 Qe7 0-1

[Event "Niedersachsen-ch U12"]
[Site "Meppen"]
[Date "2002.03.26"]
[Round "5"]
[White "Maetzig, Jonas"]
[Black "Sauer, Norwin"]
[Result "1/2-1/2"]
[ECO "C50"]
[BlackElo "1408"]
[PlyCount "34"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 d6 6. Bg5 Be6 7. Bxe6 fxe6 8. Qe2 Nd4 9. Nxd4 Bxd4 10. Qf3 0-0 11. Qh3 Qd7 12. 0-0 Rf7 13. Rad1 Raf8 14. Rd2 h6 15. Bxf6 Rxf6 16. Nd1 Qf7 17. c3 Bb6 1/2-1/2

[Event "Niedersachsen-ch U12"]
[Site "Meppen"]
[Date "2002.03.25"]
[Round "3"]
[White "Maetzig, Jonas"]
[Black "Miclea, Sebastian Marius"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1230"]
[BlackElo "1369"]
[PlyCount "53"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be7 8. Be3 0-0 9. Bc4 Qc7 10. Qd3 b5 11. Bd5 Nxd5 12. Nxd5 Qd8 13. Bb6 Qd7 14. 0-0-0 Nc6 15. Qc3 Bb7 16. Nc5 Qc8 17. Nxb7 Qxb7 18. Qxc6 Bg5+ 19. f4 Bxf4+ 20. Kb1 Qxc6 21. Ne7+ Kh8 22. Nxc6 Rfe8 23. Rxd6 f6 24. g3 Bh6 25. Rhd1 Kg8 26. Rd7 Rac8 27. Ne7+ 1-0

[Event "Niedersachsen-ch U12"]
[Site "Meppen"]
[Date "2002.03.25"]
[Round "4"]
[White "Wolff, Fabian"]
[Black "Maetzig, Jonas"]
[Result "1/2-1/2"]
[ECO "D10"]
[PlyCount "45"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 dxc4 5. Bxf6 exf6 6. e3 b5 7. Qf3 Bb4 8. Nge2 0-0 9. g3 Be6 10. a3 Bxc3+ 11. Nxc3 Qa5 12. Rc1 f5 13. Qe2 Bd5 14. f3 Re8 15. Bg2 Nd7 16. 0-0 Nf6 17. Qf2 Re7 18. Nxd5 cxd5 19. Bh3 Rae8 20. Rfe1 f4 21. gxf4 Nh5 22. f5 Nf4 23. Bf1 1/2-1/2

[Event "Niedersachsen-ch U12"]
[Site "Meppen"]
[Date "2002.03.24"]
[Round "2"]
[White "Maetzig, Jonas"]
[Black "Juenemann, Marcel"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "45"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 0-0 8. Bh6 Nc6 9. Bxg7 Kxg7 10. 0-0-0 Qb6 11. f3 Bd7 12. g4 Ne5 13. g5 Nh5 14. f4 Nc6 15. Nxc6 Bxc6 16. Be2 Rfd8 17. Bxh5 gxh5 18. Rhg1 e6 19. f5 d5 20. Qf4 dxe4 21. Qe5+ Kf8 22. Qh8+ Ke7 23. f6# 1-0

[Event "Niedersachsen-ch U12"]
[Site "Meppen"]
[Date "2002.03.23"]
[Round "1"]
[White "Schrant, Johannes"]
[Black "Maetzig, Jonas"]
[Result "0-1"]
[ECO "C66"]
[PlyCount "52"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. Nc3 Bd7 5. d3 Nf6 6. Be3 Be7 7. 0-0 0-0 8. Bc4 Na5 9. b3 c6 10. Ng5 b5 11. Bxf7+ Rxf7 12. Nxf7 Kxf7 13. Qf3 b4 14. Ne2 Bg4 15. Qg3 Bxe2 16. Rfe1 Bh5 17. Bh6 gxh6 18. Qe3 Ng4 19. Qf3+ Nf6 20. Qe3 Bf8 21. h4 Ng4 22. Qf3+ Qf6 23. Qxf6+ Nxf6 24. f3 Ke6 25. g4 Bf7 26. g5 hxg5 0-1

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.??.??"]
[Round "1"]
[White "Fuchs, Judith"]
[Black "Maetzig, Jonas"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "1603"]
[BlackElo "1296"]
[PlyCount "43"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 c6 11. Kh1 Be7 12. h3 Qc7 13. Qf3 Be6 14. Rae1 Rfe8 15. Bf4 Bd6 16. Bxd6 Qxd6 17. Rd1 Qc5 18. a3 Kh8 19. Rfe1 Re7 20. Re2 Rae8 21. Rde1 Qd6 22. Bf5 1/2-1/2

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.??.??"]
[Round "2"]
[White "Maetzig, Jonas"]
[Black "Medlin, Paul"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1296"]
[BlackElo "1580"]
[PlyCount "105"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 0-0 8. f3 Nc6 9. 0-0-0 Bd7 10. Bh6 Nxd4 11. Bxg7 Nxf3 12. gxf3 Kxg7 13. h3 Rc8 14. f4 Rc5 15. Qd4 Kg8 16. e5 Ne8 17. h4 Bf5 18. Rg1 Qc7 19. Re1 dxe5 20. Rxe5 Rxe5 21. Qxe5 Qxe5 22. fxe5 Ng7 23. Nb5 Rc8 24. Nd4 Rc5 25. e6 Nxe6 26. b4 Rd5 27. Nb3 Rd8 28. h5 Nd4 29. Nxd4 Rxd4 30. Rg3 Rg4 31. Re3 Rg1 32. Rf3 Bg4 33. Rf2 Bh3 34. Rd2 Rxf1+ 35. Kb2 e6 36. h6 Kf8 37. Rd8+ Ke7 38. Rh8 Bf5 39. Rxh7 g5 40. Rh8 Rf2 41. h7 Rxc2+ 42. Kb3 Rh2 43. Rg8 Rxh7 44. Rxg5 Rh8 45. Kc4 Rc8+ 46. Kd4 Rc2 47. a4 Ra2 48. a5 Rb2 49. Kc5 Rc2+ 50. Kb5 Kd7 51. Rg7 Bg6 52. Rg8 Rc8 53. Rg7 0-1

[Event "Hannover-ch U10"]
[Site "Langenhagen"]
[Date "2000.??.??"]
[Round "7"]
[White "Maetzig, Jonas"]
[Black "Klaeve, Simon"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "91"]
[EventDate "2000.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Bc5 5. d3 Ng4 6. 0-0 d6 7. h3 Ne3 8. Bxe3 Bxe3 9. fxe3 0-0 10. d4 exd4 11. exd4 a6 12. d5 Ne5 13. Bd3 Nxd3 14. Qxd3 g6 15. Rad1 Re8 16. Qe2 c6 17. Qf2 cxd5 18. exd5 Bf5 19. Nd4 Bd7 20. Qxf7+ Kh8 21. Qf6+ Qxf6 22. Rxf6 Bg4 23. hxg4 h5 24. Rxg6 hxg4 25. Rxg4 b5 26. Rd3 Re1+ 27. Kf2 Re7 28. Nc6 Rf7+ 29. Kg1 Re8 30. Rh3+ Rh7 31. Rxh7+ Kxh7 32. Ne4 a5 33. Nf6+ Kh6 34. Nxe8 Kh5 35. Rg8 a4 36. Nxd6 b4 37. Ne4 a3 38. bxa3 bxa3 39. Kf2 Kh6 40. Kf3 Kh5 41. Kf4 Kh6 42. Kf5 Kh7 43. Rg5 Kh6 44. Kf6 Kh7 45. Kf7 Kh8 46. Rh5# 1-0

[Event "Hannover-ch U10"]
[Site "Langenhagen"]
[Date "2000.??.??"]
[Round "3"]
[White "Maetzig, Jonas"]
[Black "Lick, Patrick"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "108"]
[EventDate "2000.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Nc3 Be7 4. Bc4 Nc6 5. d3 Bg4 6. h3 Bh5 7. Be3 Nf6 8. 0-0 0-0 9. a3 Nd4 10. Bxd4 exd4 11. Nd5 c6 12. Nxe7+ Qxe7 13. Re1 Qd7 14. c3 c5 15. e5 dxe5 16. Nxe5 Qd6 17. Qd2 Rae8 18. f4 Nd5 19. Bxd5 Qxd5 20. c4 Qd6 21. g4 f6 22. Qe2 fxe5 23. gxh5 exf4 24. Qg2 Rxe1+ 25. Rxe1 f3 26. Qf2 Qh6 27. Re5 Qc1+ 28. Re1 Qg5+ 29. Kf1 Qxh5 30. Re7 Qxh3+ 31. Ke1 Qh1+ 32. Kd2 Qg2 33. Ke1 Qxf2+ 34. Kxf2 g5 35. Re4 h5 36. b4 g4 37. bxc5 g3+ 38. Kf1 f2 39. Re8 Rxe8 40. c6 g2+ 41. Kxf2 bxc6 42. Kxg2 Re3 43. Kf2 Rxd3 44. a4 h4 45. Kg2 Ra3 46. Kh2 d3 47. Kh3 d2+ 48. Kxh4 d1R 49. Kg5 Rxa4 50. Kf5 Rxc4 51. Ke5 Rd5+ 52. Ke6 Re4+ 53. Kf6 Kh7 54. Kf7 Rf5# 0-1

[Event "Hannover-ch U10"]
[Site "Langenhagen"]
[Date "2000.??.??"]
[Round "2"]
[White "Maetzig, Jonas"]
[Black "Miclea, Andrei"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "53"]
[EventDate "2000.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bc5 5. d3 d6 6. 0-0 Bg4 7. h3 Bh5 8. g4 Bxg4 9. hxg4 Nxg4 10. Ne1 Qh4 11. Nf3 Bd4 12. Nxh4 Bxf2+ 13. Rxf2 Nxf2 14. Kxf2 Nd4 15. Ne2 Nxe2 16. Qxe2 0-0-0 17. Qd2 Rde8 18. Qc3 g5 19. Nf5 Rhg8 20. Bxf7 g4 21. Bxe8 Rxe8 22. Nxd6+ Kd7 23. Nxe8 Kxe8 24. Qxe5+ Kf7 25. Bg5 Kg6 26. Qf6+ Kh5 27. Qh6# 1-0

[Event "Hannover-ch U10"]
[Site "Langenhagen"]
[Date "2000.??.??"]
[Round "5"]
[White "Maetzig, Jonas"]
[Black "Raimann, Christian"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "57"]
[EventDate "2000.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 Nf6 5. h3 0-0 6. b3 Re8 7. Ng5 d6 8. Bxf7+ Kh8 9. Bxe8 Qxe8 10. Bb2 Qg6 11. h4 Bg4 12. f3 Bd7 13. g4 Re8 14. Qc1 Qh6 15. Nf7+ Kg8 16. Nxh6+ gxh6 17. Nd5 Nxd5 18. exd5 Nd4 19. Bxd4 Bxd4 20. d3 Bxa1 21. Qxa1 Bc8 22. 0-0 Rf8 23. Rf2 Rf7 24. Qc1 Rf6 25. Qa3 a6 26. Qb2 Kg7 27. Qc3 Rf7 28. g5 h5 29. f4 1-0

[Event "Hannover-ch U10"]
[Site "Langenhagen"]
[Date "2000.??.??"]
[Round "1"]
[White "Marquis, Julien"]
[Black "Maetzig, Jonas"]
[Result "1-0"]
[ECO "C47"]
[PlyCount "117"]
[EventDate "2000.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e5 3. Nc3 Nf6 4. g3 b6 5. Bg2 Bc5 6. Nxe5 Nxe5 7. d4 Bxd4 8. Qxd4 Nc6 9. Qd2 Ba6 10. b4 b5 11. 0-0 Qe7 12. a3 0-0 13. Re1 Rae8 14. Bb2 Rd8 15. f3 Ne5 16. Qd4 Nc6 17. Nd5 Nxd4 18. Nxe7+ Kh8 19. Bxd4 Rde8 20. Nd5 c6 21. Nxf6 gxf6 22. Bxf6+ Kg8 23. Rad1 Re6 24. Ba1 f6 25. Rxd7 Bc8 26. Rxa7 Kh8 27. Bh3 Rd6 28. Bxc8 Rxc8 29. e5 Re6 30. Rd1 fxe5 31. f4 Kg8 32. Bxe5 c5 33. Rg7+ Kf8 34. bxc5 Rxc5 35. Bd6+ Kxg7 36. Bxc5 Rg6 37. h3 h5 38. Bd4+ Kf7 39. Kg2 h4 40. Rd3 hxg3 41. Rxg3 Rxg3+ 42. Kxg3 Ke6 43. Kg4 Kd5 44. Bh8 Kc4 45. f5 b4 46. axb4 Kxb4 47. f6 Kc3 48. f7+ Kc4 49. f8Q Kd5 50. Qe7 Kc4 51. Qd6 Kb5 52. Qd4 Kc6 53. Qe5 Kb6 54. Qd5 Kc7 55. Qe6 Kb7 56. Qd6 Ka8 57. Qd7 Kb8 58. Bd4 Ka8 59. Qa7# 1-0

[Event "Hannover-ch U10"]
[Site "Langenhagen"]
[Date "2000.??.??"]
[Round "4"]
[White "Pollmann, Jana"]
[Black "Maetzig, Jonas"]
[Result "0-1"]
[ECO "D07"]
[PlyCount "34"]
[EventDate "2000.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. Nc3 Nc6 5. Nf3 Bg4 6. Be3 e6 7. Bxc4 Bb4 8. Bb5 Nxe4 9. a3 Nxc3 10. bxc3 Bxc3+ 11. Bd2 Bxa1 12. Qxa1 Bxf3 13. Bxc6+ Bxc6 14. h4 Qd6 15. 0-0 0-0-0 16. Bg5 Qd5 17. Bxd8 Qxg2# 0-1

[Event "Hannover-ch U10"]
[Site "Langenhagen"]
[Date "2000.??.??"]
[Round "6"]
[White "Tenninger, Marc"]
[Black "Maetzig, Jonas"]
[Result "1-0"]
[ECO "D31"]
[PlyCount "81"]
[EventDate "2000.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Bb4 5. Bd2 b6 6. Nf3 Nf6 7. Bd3 Nbd7 8. 0-0 Bxc3 9. Bxc3 0-0 10. Qa4 Bb7 11. Qc2 Rc8 12. Bb4 c5 13. dxc5 Nxc5 14. Bxc5 bxc5 15. Qb3 Ba6 16. Qa4 Qb6 17. Rab1 Bb7 18. b4 Rfe8 19. Rfc1 Bc6 20. Qa3 e5 21. Be2 Rb8 22. bxc5 Qxb1 23. Rxb1 Rxb1+ 24. Bf1 dxc4 25. Qc3 Rd8 26. h3 e4 27. Nh2 Bb5 28. Qc2 Rdd1 29. a4 Rdc1 30. Qd2 Bxa4 31. Qa5 Ra1 32. Qxa7 Rcb1 33. Qa8+ Be8 34. Qd8 Rd1 35. Qb6 c3 36. Qb3 Nd5 37. Qc4 Rd2 38. Qxe4 Bb5 39. f4 c2 40. c6 c1Q 41. Qe8# 1-0

