[Event "GER-chT North U16"]
[Site "Greifswald"]
[Date "2013.09.14"]
[Round "6.1"]
[White "Marach, Jonas"]
[Black "Worpenberg, Lukas"]
[Result "0-1"]
[ECO "A27"]
[WhiteElo "1641"]
[BlackElo "1802"]
[PlyCount "36"]
[EventDate "2013.09.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Bremen Ost"]
[BlackTeam "Hagen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. g3 f5 5. Bg2 Nf6 6. d4 e4 7. Ng5 h6 8. Ngxe4 fxe4 9. Nxe4 Bf5 10. Nxf6+ Qxf6 11. e4 Bd7 12. Be3 0-0-0 13. a3 g5 14. b4 Bg7 15. e5 dxe5 16. Bxc6 Qxc6 17. d5 Qxc4 18. d6 Bc6 0-1

[Event "GER-chT North U16"]
[Site "Greifswald"]
[Date "2013.09.14"]
[Round "5.1"]
[White "Nguyen, Manh Hoang"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1760"]
[BlackElo "1641"]
[PlyCount "77"]
[EventDate "2013.09.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Magdeburg USC"]
[BlackTeam "Bremen Ost"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 d6 3. f4 c6 4. Nf3 d5 5. e5 h5 6. Bd3 Nh6 7. Nh4 Bg4 8. Qd2 Qd7 9. Qf2 Bf5 10. Nxf5 Nxf5 11. Nd2 a5 12. Nf3 Na6 13. Bd2 Nc7 14. 0-0-0 e6 15. h3 Bb4 16. g4 Ng7 17. Rhf1 Bxd2+ 18. Rxd2 0-0-0 19. Nh4 hxg4 20. hxg4 Qe7 21. Ng2 Rh2 22. f5 gxf5 23. gxf5 Qg5 24. Kd1 Kb8 25. fxe6 fxe6 26. Qf6 Qh5+ 27. Be2 Qh8 28. Ne3 Nh5 29. Qe7 Ng3 30. Rf7 Rc8 31. Nf1 Rh1 32. Rf3 Qh5 33. Qf7 Qh4 34. Rf2 Qh3 35. Rd3 Qh4 36. c3 Nf5 37. Rdf3 Qe4 38. Bd3 Ne3+ 39. Ke2 1-0

[Event "GER-chT North U16"]
[Site "Greifswald"]
[Date "2013.09.13"]
[Round "4.1"]
[White "Altstadt, Karl Simon"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1808"]
[BlackElo "1641"]
[PlyCount "49"]
[EventDate "2013.09.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Halle"]
[BlackTeam "Bremen Ost"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 d6 3. Nc3 c6 4. Be3 Bg7 5. f3 Nf6 6. Qd2 0-0 7. g4 e5 8. Nge2 b5 9. h4 a5 10. h5 a4 11. a3 Qa5 12. Bh6 c5 13. Bxg7 Kxg7 14. hxg6 fxg6 15. Qh6+ Kg8 16. g5 Nh5 17. Ng3 Ra7 18. Nxh5 gxh5 19. g6 Qc7 20. Nxb5 Qg7 21. Bc4+ Kh8 22. Qxh5 Rd7 23. 0-0-0 cxd4 24. gxh7 Rf6 25. Rdg1 1-0

[Event "GER-chT North U16"]
[Site "Greifswald"]
[Date "2013.09.13"]
[Round "3.1"]
[White "Marach, Jonas"]
[Black "Thieu, Nguyen Gia Luat"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1641"]
[BlackElo "1692"]
[PlyCount "45"]
[EventDate "2013.09.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Bremen Ost"]
[BlackTeam "Lehrte"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e6 2. Nc3 d5 3. d4 c6 4. Nf3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 Qb6 8. axb5 cxb5 9. Ne5 Nf6 10. b3 Bxc3 11. Bxc3 a5 12. bxc4 b4 13. Qa4+ Bd7 14. Nxd7 Nbxd7 15. Bxb4 axb4 16. Qxa8+ Ke7 17. Qxh8 b3 18. Bd3 Qb4+ 19. Ke2 Qc3 20. Qa8 Qb2+ 21. Kf3 Qc3 22. Qa3+ Ke8 23. Qd6 1-0

[Event "GER-chT North U16"]
[Site "Greifswald"]
[Date "2013.09.12"]
[Round "1.1"]
[White "Marach, Jonas"]
[Black "Spaet, Alexander"]
[Result "0-1"]
[ECO "A23"]
[WhiteElo "1641"]
[BlackElo "2019"]
[PlyCount "36"]
[EventDate "2013.09.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Bremen Ost"]
[BlackTeam "Hamburg Koenigsspringer"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. d4 exd4 7. Qxd4 Nc6 8. Qa4 d4 9. Nb5 Bb4+ 10. Bd2 Bxd2+ 11. Kxd2 0-0 12. Rc1 Re8 13. Rxc6 bxc6 14. Bxc6 Bd7 15. Bxa8 Qxa8 16. Nf3 a6 17. Nc7 Rxe2+ 18. Kc1 Qxf3 0-1

[Event "GER-chT North U16"]
[Site "Greifswald"]
[Date "2013.09.12"]
[Round "2.1"]
[White "Siegert, Gregor"]
[Black "Marach, Jonas"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "1859"]
[BlackElo "1641"]
[PlyCount "56"]
[EventDate "2013.09.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Schwerin"]
[BlackTeam "Bremen Ost"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 d6 3. c4 Nf6 4. Nc3 Bg7 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Be3 Nd7 10. Nd2 f5 11. f3 f4 12. Bf2 g5 13. b4 h5 14. c5 Nf6 15. cxd6 cxd6 16. Nc4 Qd7 17. a4 g4 18. Nb5 Ne8 19. Nxa7 g3 20. hxg3 fxg3 21. Be3 b6 22. Nb5 Ng6 23. Re1 Nf4 24. Bxf4 Rxf4 25. Bd3 Rh4 26. Kf1 Rh2 27. Nxb6 Qh3 28. gxh3 Bxh3+ 1/2-1/2

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.06"]
[Round "7"]
[White "Steffens, Oliver"]
[Black "Marach, Jonas"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1324"]
[BlackElo "1592"]
[PlyCount "28"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nf3 Nf6 4. Nc3 Bg7 5. Be2 0-0 6. 0-0 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nxe5 Nxe4 10. Nxe4 Bxe5 11. c3 Nc6 12. Be3 Bf5 13. Bf3 Rab8 14. Nc5 Na5 1/2-1/2

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.05"]
[Round "5"]
[White "Kienel, Michael"]
[Black "Marach, Jonas"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1456"]
[BlackElo "1592"]
[PlyCount "50"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nf3 Nf6 4. Nc3 Bg7 5. Be2 0-0 6. h3 e5 7. d5 c6 8. Bg5 h6 9. Be3 Qa5 10. 0-0 cxd5 11. exd5 a6 12. a3 b5 13. Nd2 Bb7 14. Nde4 Nxe4 15. Nxe4 Qc7 16. f4 f5 17. Nc3 e4 18. Bd4 Bxd4+ 19. Qxd4 Qc5 20. Rad1 Nd7 21. g4 Nf6 22. Kh2 Qxd4 23. Rxd4 Kh7 24. Rg1 Rg8 25. h4 h5 1/2-1/2

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.05"]
[Round "6"]
[White "Marach, Jonas"]
[Black "Brockmann, Marc"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "1592"]
[BlackElo "1375"]
[PlyCount "58"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. f4 e5 7. d3 Nc6 8. Nge2 Bd7 9. Be3 Qc8 10. Qd2 Ne8 11. Nd5 Nf6 12. Nec3 Nxd5 13. Nxd5 Re8 14. 0-0 Ne7 15. Nxe7+ Rxe7 16. Qf2 exf4 17. Bxf4 Bh3 18. Bg5 Bxg2 19. Bxe7 Bxf1 20. Rxf1 Qe8 21. Bf6 Bxf6 22. Qxf6 Qe6 23. Qxe6 fxe6 24. b4 e5 25. Kg2 Rf8 26. Rxf8+ Kxf8 27. g4 g5 28. Kf3 Kf7 29. Ke3 Ke6 1/2-1/2

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.04"]
[Round "4"]
[White "Marach, Jonas"]
[Black "Eschholz, Dario"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "1592"]
[BlackElo "1533"]
[PlyCount "32"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. 0-0 f5 7. e3 Be6 8. d3 Nf6 9. a3 a5 10. b3 e4 11. Nd4 Nxd4 12. exd4 d5 13. dxe4 dxe4 14. Be3 Ng4 15. Ne2 Nxe3 16. fxe3 0-0 1/2-1/2

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.04"]
[Round "3"]
[White "Von Muenchhausen, Joerg"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "E87"]
[WhiteElo "1821"]
[BlackElo "1592"]
[PlyCount "78"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d6 2. e4 g6 3. c4 Nf6 4. Nc3 Bg7 5. f3 0-0 6. Be3 e5 7. d5 Nfd7 8. g4 Nb6 9. h4 N8d7 10. h5 Bf6 11. Qd2 Qe7 12. hxg6 fxg6 13. 0-0-0 Nc5 14. Bh6 Rf7 15. Nh3 Bd7 16. Be2 Bg7 17. Ng5 Bxh6 18. Rxh6 Rg7 19. Rdh1 Rf8 20. Nxh7 Rxh7 21. Rxh7 Qxh7 22. Rxh7 Kxh7 23. Qg5 Kg7 24. Qe7+ Kg8 25. Nd1 Nc8 26. Qg5 Kg7 27. Nf2 Rh8 28. Kd2 Kf7 29. Bf1 Nb6 30. b3 a5 31. f4 Rh2 32. Ke1 Rxf2 33. fxe5 dxe5 34. Qxe5 Rf6 35. g5 Rd6 36. Qf4+ Kg7 37. e5 Nxd5 38. cxd5 Rxd5 39. Qf6+ Kg8 1-0

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.03"]
[Round "1"]
[White "Laubrock, Sophia"]
[Black "Marach, Jonas"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1451"]
[BlackElo "1592"]
[PlyCount "86"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d6 2. c4 g6 3. Nf3 Bg7 4. Nc3 Nf6 5. Bg5 0-0 6. e4 h6 7. Be3 e5 8. dxe5 dxe5 9. Nxe5 Nxe4 10. Nxe4 Bxe5 11. Qc2 Bg7 12. Be2 Bf5 13. Bd3 Kh7 14. Rd1 Nc6 15. Nc5 Nb4 16. Qb3 Nxd3+ 17. Nxd3 b6 18. 0-0 Qe7 19. Rfe1 Be6 20. Nf4 Rfe8 21. Bd4 Rad8 22. Bxg7 Kxg7 23. Rxd8 Rxd8 24. Nxe6+ fxe6 25. Qe3 g5 26. g3 Kf7 27. Qf3+ Qf6 28. Qb7 Rd7 29. Qxa7 Qxb2 30. a4 Qc3 31. Re4 Qf3 32. Re1 Qc3 33. Re4 Qd3 34. Re1 Qxc4 35. a5 Qc3 36. Rb1 Qxa5 37. Qb7 Qd5 38. Qa7 b5 39. Qa5 c6 40. Qb6 Qd3 41. Rc1 Qf3 42. Qxc6 Rd1+ 43. Rxd1 Qxc6 0-1

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.03"]
[Round "2"]
[White "Marach, Jonas"]
[Black "Klein, Florian"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1592"]
[BlackElo "1449"]
[PlyCount "129"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. e3 Nc6 7. Be2 Ne4 8. Bxe7 Qxe7 9. 0-0 Rd8 10. Qc2 f5 11. a3 Qf6 12. b4 a6 13. c5 Kf7 14. Nd2 Nxc3 15. Qxc3 g5 16. a4 g4 17. f3 h5 18. b5 Ne7 19. fxg4 hxg4 20. Bxg4 Rh8 21. Bh3 Qg5 22. Nf3 Qg7 23. Kh1 Ng6 24. Qe1 Bd7 25. Qg3 Rhc8 26. c6 bxc6 27. bxc6 Bxc6 28. Rfc1 Bd7 29. Rxc7 Rxc7 30. Qxc7 Ke7 31. Qb7 Qf8 32. Rc1 Qb8 33. Rc7 Qxb7 34. Rxb7 Kd8 35. g3 Kc8 36. Rb4 a5 37. Rb2 Bxa4 38. Bf1 Bd1 39. Nd2 a4 40. Nb1 Bf3+ 41. Kg1 Ne7 42. Nc3 Kd8 43. Ra2 a3 44. Nb5 Nc6 45. Rxa3 Rxa3 46. Nxa3 Ke7 47. Kf2 Bh5 48. Be2 Bg4 49. Nc2 Kf6 50. Ne1 e5 51. Bb5 Nb4 52. dxe5+ Kxe5 53. Nd3+ Nxd3+ 54. Bxd3 Bh3 55. Be2 Ke4 56. Bf3+ Ke5 57. Ke2 d4 58. Kd3 Bf1+ 59. Be2 Bxe2+ 60. Kxe2 dxe3 61. Kxe3 Ke6 62. Kf4 Kf6 63. h3 Kg6 64. h4 Kf6 65. h5 1-0

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2012.09.09"]
[Round "7.1"]
[White "Bernstengel, Aaron"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1688"]
[BlackElo "1628"]
[PlyCount "25"]
[EventDate "2012.09.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Hamburg Diogenes"]
[BlackTeam "Bremen Ost"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nc3 Bc5 6. Be3 Nge7 7. Be2 d5 8. Nf3 Qh5 9. Bxc5 0-0 10. Nd4 Qg5 11. Nxc6 bxc6 12. h4 Qxg2 13. Bf3 1-0

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2012.09.08"]
[Round "6.1"]
[White "Boehning, Kilian"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1943"]
[BlackElo "1628"]
[PlyCount "107"]
[EventDate "2012.09.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Hagen"]
[BlackTeam "Bremen Ost"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. 0-0 d5 7. exd5 Nxd5 8. b4 Bb6 9. b5 Na5 10. Nxe5 Qf6 11. d4 Nxc4 12. Nxc4 Bd7 13. a4 c6 14. Ne5 Qd6 15. a5 Bc7 16. Ba3 Qh6 17. Qd2 Qxd2 18. Nxd2 Bxe5 19. dxe5 Rfe8 20. f4 Nxc3 21. bxc6 Bxc6 22. Rfe1 Bb5 23. Kf2 Rad8 24. Bd6 f6 25. Rac1 Nd5 26. g3 Kf7 27. Ne4 Bd3 28. Nc5 Bf5 29. Nxb7 Rc8 30. Rc5 Nb4 31. Rxc8 Nd3+ 32. Ke3 Rxc8 33. Re2 fxe5 34. fxe5 Ke6 35. Kd4 h5 36. Rd2 Ne1 37. Nc5+ Kf7 38. Ke3 g5 39. Rb2 Nc2+ 40. Kd2 Nd4 41. Rb7+ Kg6 42. Ke3 Nc2+ 43. Kf2 a6 44. Rb6 Nd4 45. Rxa6 Rc6 46. Rb6 g4 47. Rb8 Bc8 48. Ra8 Nf5 49. Nd3 Bb7 50. Nf4+ Kh7 51. Ra7 Rc2+ 52. Ke1 Ne3 53. Rxb7+ Kg8 54. a6 1-0

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2012.09.08"]
[Round "5.1"]
[White "Marach, Jonas"]
[Black "Fragel, Max"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "1628"]
[BlackElo "1526"]
[PlyCount "104"]
[EventDate "2012.09.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Bremen Ost"]
[BlackTeam "Stade"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. e4 Nbd7 6. d3 e5 7. Nge2 c6 8. 0-0 Qc7 9. b4 h5 10. Bg5 Nh7 11. Be3 g5 12. Qd2 f6 13. f4 exf4 14. gxf4 g4 15. Ng3 f5 16. Nxh5 Ndf6 17. Ng3 fxe4 18. Rae1 Bd7 19. Ncxe4 Nxe4 20. Bxe4 0-0-0 21. a4 Nf6 22. Bf5 Bxf5 23. Nxf5 Rh5 24. Ng3 Rh7 25. Re2 Rdh8 26. Rg2 Nd7 27. Ne4 Nf6 28. Bf2 Nxe4 29. dxe4 Bf6 30. Qe2 Qd7 31. e5 dxe5 32. fxe5 Qe6 33. Bd4 Bd8 34. Rf4 g3 35. hxg3 Rh1+ 36. Kf2 Kb8 37. Qg4 Qe7 38. e6 Qxb4 39. Be5+ Ka8 40. Re4 Bb6+ 41. Ke2 Re1+ 42. Kd3 Rd8+ 43. Bd4 Rxe4 44. Qxe4 Rxd4+ 45. Qxd4 Bxd4 46. Kxd4 Qd6+ 47. Kc3 Qxe6 48. g4 a6 49. g5 Qg6 50. a5 Kb8 51. Kd4 Kc7 52. c5 Qf5 0-1

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2012.09.07"]
[Round "4.1"]
[White "Kitze, Alexander"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "1932"]
[BlackElo "1628"]
[PlyCount "61"]
[EventDate "2012.09.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Granschuetz Gruen Weiss"]
[BlackTeam "Bremen Ost"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 Nf6 5. Nf3 0-0 6. Bd3 Nfd7 7. Be3 c5 8. d5 Nb6 9. 0-0 e6 10. dxe6 fxe6 11. e5 c4 12. Be2 d5 13. a4 Nc6 14. a5 Nd7 15. Ng5 Re8 16. Nxd5 Ndxe5 17. Nc3 Qxd1 18. Rfxd1 Nf7 19. Nxf7 Kxf7 20. Bxc4 Nb4 21. Rd2 Nd5 22. Nxd5 exd5 23. Bxd5+ Be6 24. Bxb7 Rab8 25. Bc6 Red8 26. Rxd8 Rxd8 27. c3 Rd6 28. Bf3 a6 29. Rd1 Rxd1+ 30. Bxd1 Bf5 31. Be2 1-0

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2012.09.07"]
[Round "3.1"]
[White "Marach, Jonas"]
[Black "Reuker, Jari"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1628"]
[BlackElo "1690"]
[PlyCount "101"]
[EventDate "2012.09.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Bremen Ost"]
[BlackTeam "Wildeshausen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. 0-0 Nge7 7. e3 0-0 8. d4 Bg4 9. h3 Bxf3 10. Bxf3 exd4 11. exd4 Bxd4 12. Nd5 Bg7 13. Rb1 Nxd5 14. Bxd5 Qd7 15. Kh2 Rae8 16. b4 b6 17. Qa4 Ne5 18. Qxa7 b5 19. Bb2 bxc4 20. Bxe5 Bxe5 21. Bxc4 Ra8 22. Qe3 Rfe8 23. Qf3 c6 24. b5 c5 25. Bd5 Rab8 26. Bc6 Qe7 27. Bxe8 Qxe8 28. b6 Qd7 29. Qa3 Qc8 30. Qa7 Rb7 31. Qa6 c4 32. Rfe1 c3 33. Qa4 Qb8 34. Qc6 Qa8 35. a4 Qa6 36. Qb5 Qa8 37. f4 Rb8 38. fxe5 Qf3 39. Qe2 Qc6 40. exd6 Qxd6 41. Qc2 Qc5 42. b7 h6 43. Rb3 Qc6 44. Qxc3 Qd7 45. a5 Qf5 46. Qd2 Kh7 47. a6 Rd8 48. Qg2 Qa5 49. b8Q Rxb8 50. Rxb8 Qxe1 51. a7 1-0

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2012.09.06"]
[Round "1.1"]
[White "Marach, Jonas"]
[Black "Von Angern, Cedric"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1628"]
[BlackElo "1439"]
[PlyCount "97"]
[EventDate "2012.09.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Bremen Ost"]
[BlackTeam "Magdeburg Aufbau Elbe"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. Nc3 Nf6 3. g3 e6 4. Bg2 Nc6 5. e4 Rb8 6. Nge2 b6 7. 0-0 Bb7 8. d3 Be7 9. f4 0-0 10. a3 Re8 11. Bf3 Kh8 12. g4 Bf8 13. Kf2 Ne7 14. e5 Bxf3 15. exf6 Bxe2 16. fxe7 Bxe7 17. Qxe2 d5 18. g5 d4 19. Ne4 Qc7 20. h4 Rbd8 21. Rh1 Qd7 22. Bd2 a6 23. Qh5 Rf8 24. Qg4 Rde8 25. Qf3 b5 26. b3 bxc4 27. bxc4 Qc7 28. Rhb1 Rb8 29. Qd1 Rxb1 30. Rxb1 Rb8 31. Rxb8+ Qxb8 32. Qa4 Qc8 33. Ba5 h6 34. Bb6 hxg5 35. hxg5 Qb8 36. Kf3 Qc8 37. Qa5 e5 38. fxe5 Qf5+ 39. Ke2 Qg4+ 40. Kd2 Bxg5+ 41. Nxg5 Qxg5+ 42. Kc2 Qxe5 43. Bxc5 Kh7 44. Bb4 Qe2+ 45. Bd2 Qg4 46. Qxa6 f5 47. Qd6 Qg2 48. Qxd4 Qh2 49. Qf4 1-0

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2012.09.06"]
[Round "2.1"]
[White "Reinhardt, Johannes"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "1705"]
[BlackElo "1628"]
[PlyCount "80"]
[EventDate "2012.09.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Bad Schwartau"]
[BlackTeam "Bremen Ost"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 Nf6 5. Nf3 0-0 6. Be2 e6 7. e5 dxe5 8. fxe5 Nd5 9. 0-0 c6 10. Ne4 Nd7 11. c4 Ne7 12. Bg5 f6 13. exf6 Nxf6 14. Nxf6+ Bxf6 15. Bxf6 Rxf6 16. Qd2 Nf5 17. g4 Nd6 18. Qh6 Qf8 19. Qxf8+ Rxf8 20. Ne5 Nf7 21. Nxf7 Rxf7 22. Rxf7 Kxf7 23. Rf1+ Ke7 24. g5 Bd7 25. h4 Rf8 26. Rxf8 Kxf8 27. Kf2 e5 28. dxe5 Bf5 29. c5 Ke7 30. Ke3 b6 31. b4 b5 32. Bd1 Be6 33. a3 Bd5 34. Kd4 Kf7 35. e6+ Kxe6 36. Bg4+ Ke7 37. Ke5 Bg2 38. Be6 Bd5 39. Bxd5 cxd5 40. Kxd5 Kd7 1-0

[Event "GER-chT Nord-West U20 1112"]
[Site "Germany"]
[Date "2012.05.13"]
[Round "9.1"]
[White "Marach, Jonas"]
[Black "Bart, Simon"]
[Result "0-1"]
[ECO "B57"]
[BlackElo "2019"]
[PlyCount "74"]
[EventDate "2011.09.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 e5 6. Nf3 Nf6 7. Bc4 Be7 8. Bg5 Bg4 9. Qd2 0-0 10. 0-0-0 Nd4 11. Qe3 Bxf3 12. gxf3 Ng4 13. Bxe7 Nxe3 14. Bxd8 Nxd1 15. Be7 Nxc3 16. Bxf8 Kxf8 17. bxc3 Nxf3 18. Rd1 Rc8 19. Be2 Ng5 20. Rxd6 Nxe4 21. Rd7 Nc5 22. Rd5 f6 23. Bg4 Rc7 24. Bf5 g6 25. Bh3 Ke7 26. f3 Ne6 27. Bxe6 Kxe6 28. Rd3 g5 29. Kd2 h5 30. h3 Rd7 31. Ke3 f5 32. c4 Rxd3+ 33. cxd3 h4 34. a3 Kd6 35. Ke2 Kc5 36. Ke3 b6 37. a4 a5 0-1

[Event "GER-chT Nord-West U20 1112"]
[Site "Germany"]
[Date "2012.05.12"]
[Round "8"]
[White "Woellermann, Jan"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "2100"]
[PlyCount "55"]
[EventDate "2011.09.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Nbd7 5. Bg2 Be7 6. 0-0 0-0 7. Qc2 b6 8. cxd5 Nxd5 9. a3 Ba6 10. Rd1 N5f6 11. Nc3 c6 12. Qa4 Bb5 13. Qc2 Ba6 14. b4 Bb7 15. Bb2 Qc7 16. Rac1 a6 17. Nd5 Nxd5 18. Qf5 Qd8 19. h4 h6 20. Bf1 g6 21. Qf4 Kg7 22. Rc3 Rg8 23. Bc1 Rh8 24. Nh2 Nf8 25. Rf3 Kh7 26. Ng4 h5 27. Nh6 Bxh4 28. Nxf7 1-0

[Event "GER-chT Nord-West U20 1112"]
[Site "Germany"]
[Date "2012.01.22"]
[Round "5"]
[White "Mueller, Tobias"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2110"]
[PlyCount "47"]
[EventDate "2011.09.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 b6 2. Nc3 Bb7 3. e4 e6 4. g3 f5 5. Bg2 Nf6 6. d3 Bb4 7. Nge2 fxe4 8. 0-0 d5 9. Qa4+ Nc6 10. dxe4 Bxc3 11. exd5 exd5 12. cxd5 Nxd5 13. Nxc3 Nde7 14. Bg5 Qd7 15. Rad1 Qf5 16. Bxe7 b5 17. Qh4 Nxe7 18. Bxb7 Rb8 19. Nd5 g5 20. Qh5+ Ng6 21. Rfe1+ Kf7 22. Re7+ Kg8 23. Qh6 Nxe7 24. Nxe7+ 1-0

[Event "GER-chT Nord-West U20 1112"]
[Site "Germany"]
[Date "2012.01.21"]
[Round "3"]
[White "Schulz, Jens Peter"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "52"]
[EventDate "2011.09.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 Bf5 4. f3 Nc6 5. e3 h6 6. Qd2 Bh7 7. Nge2 e6 8. g4 Bd6 9. Bg3 Qe7 10. Nf4 0-0-0 11. Bb5 Nb4 12. Nd3 Nxd3+ 13. Bxd3 Bxd3 14. Qxd3 Bxg3+ 15. hxg3 Kb8 16. 0-0-0 c5 17. Ne2 c4 18. Qc3 Qc7 19. Nf4 Rd7 20. g5 Nh7 21. gxh6 g5 22. Nh5 f5 23. g4 fxg4 24. Nf6 Qg3 25. Rh5 a6 26. Kb1 Rc8 1-0

[Event "GER-chT Nord-West U20 1112"]
[Site "Germany"]
[Date "2011.12.03"]
[Round "4"]
[White "Marach, Jonas"]
[Black "Nonnenmacher, Lars"]
[Result "1-0"]
[ECO "B02"]
[BlackElo "1786"]
[PlyCount "91"]
[EventDate "2011.09.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Ne4 4. Nce2 Nc6 5. d3 Nc5 6. d4 Na6 7. Nf3 Bf5 8. Ng3 Bg6 9. Bd3 e6 10. Be3 Be7 11. a3 0-0 12. h4 Bxd3 13. Qxd3 f5 14. Bf4 Ncb8 15. h5 h6 16. b4 c6 17. Qe3 Kh7 18. Ne2 Nc7 19. Rg1 Qe8 20. 0-0-0 a5 21. g4 axb4 22. g5 hxg5 23. Nxg5+ Kh8 24. h6 g6 25. Qg3 Rxa3 26. Nf3 Rg8 27. h7 Rg7 28. Bh6 Rxh7 29. Qxg6 Qxg6 30. Rxg6 Ra1+ 31. Kd2 Rxd1+ 32. Kxd1 Nd7 33. Nf4 Nf8 34. Bxf8 Bxf8 35. Nxe6 Nxe6 36. Rxe6 Be7 37. Ke2 Rg7 38. Ke3 Kg8 39. Kf4 Rg4+ 40. Kxf5 Rg7 41. Rg6 b6 42. Rxc6 Rg2 43. Rg6+ Rxg6 44. Kxg6 Kf8 45. Ng5 Bd8 46. Ne6+ 1-0

[Event "GER-chT Nord-West U20 1112"]
[Site "Germany"]
[Date "2011.09.25"]
[Round "1"]
[White "Meyer Dunker, Paul"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "1872"]
[PlyCount "89"]
[EventDate "2011.09.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. d3 g6 5. c3 Bg7 6. Nbd2 0-0 7. 0-0 d6 8. Re1 Kh8 9. Nf1 f5 10. Ne3 d5 11. Qe2 f4 12. Nf1 Bg4 13. h3 Bh5 14. N1h2 d4 15. g4 fxg3 16. fxg3 Bxf3 17. Nxf3 Qd6 18. Ba4 Rad8 19. Bc2 dxc3 20. bxc3 Qc5+ 21. Be3 Qxc3 22. Rac1 Qa3 23. Ng5 Qd6 24. Bb3 Nd4 25. Bxd4 Qxd4+ 26. Kg2 Bh6 27. Ne6 Qxd3 28. Rxc7 Qxe2+ 29. Rxe2 Rc8 30. Rxe7 Rf6 31. g4 Bf8 32. Rxb7 Rc3 33. Ng5 Bg7 34. Rd2 Rc8 35. Nf7+ Rxf7 36. Rxf7 h6 37. Rdd7 Rg8 38. Rxa7 h5 39. Kg3 h4+ 40. Kxh4 g5+ 41. Kxg5 Bf6+ 42. Kxf6 Rg7 43. Rf8+ Kh7 44. Rxg7+ Kh6 45. Rh8# 1-0

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2011.01.05"]
[Round "7"]
[White "Goes, Carsten"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "1793"]
[BlackElo "1386"]
[PlyCount "113"]
[EventDate "2011.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Nbd7 5. Bg2 Be7 6. 0-0 0-0 7. Qc2 c5 8. cxd5 exd5 9. Nc3 Nb6 10. dxc5 Bxc5 11. Bg5 h6 12. Bf4 Be6 13. Na4 Nxa4 14. Qxa4 Qb6 15. Be5 Ne4 16. e3 Rfe8 17. Bd4 Qb4 18. Qxb4 Bxb4 19. a3 Bc5 20. Rfd1 Rac8 21. Rac1 b6 22. b4 Bd6 23. h4 Be7 24. Ne5 Bf6 25. Nc6 Rc7 26. Bxf6 Nxf6 27. Nd4 Rec8 28. Rxc7 Rxc7 29. Nb5 Rd7 30. Rc1 Ne8 31. Bf1 a6 32. Nd4 Rc7 33. Rc6 Rxc6 34. Nxc6 Nc7 35. Nd4 Kf8 36. Bd3 Ke8 37. Kf1 Kd7 38. f4 Bg4 39. Ke1 b5 40. Kd2 Ne6 41. Kc3 g6 42. a4 Nxd4 43. Kxd4 Kc6 44. axb5+ axb5 45. Ke5 Bf5 46. Bxf5 gxf5 47. h5 f6+ 48. Kxf6 d4 49. exd4 Kd5 50. Kg6 Kc4 51. d5 Kxd5 52. Kxh6 Kc4 53. Kg6 Kxb4 54. h6 Kc4 55. h7 b4 56. h8Q b3 57. Qb2 1-0

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2011.01.04"]
[Round "6"]
[White "Marach, Jonas"]
[Black "Kuenitz, Bernhard"]
[Result "0-1"]
[ECO "C53"]
[WhiteElo "1386"]
[BlackElo "1916"]
[PlyCount "118"]
[EventDate "2011.01.02"]
[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. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 Nh6 9. 0-0 0-0 10. Nb3 Qf6 11. Qd3 a5 12. a3 Bg4 13. Nbd2 Rad8 14. h3 Bd7 15. Rad1 Kh8 16. Qe3 Qe7 17. Rfe1 Rfe8 18. e5 Qf8 19. Qc3 dxe5 20. d5 Ne7 21. Nxe5 Ng6 22. Nxg6+ fxg6 23. Qxa5 b6 24. Qc3 Qf4 25. Nf3 Rf8 26. Re7 Nf5 27. Re2 Nd6 28. Rd4 Qf6 29. Rd3 Qf4 30. Rd4 Qf6 31. Rd3 Qxc3 32. Rxc3 Nxc4 33. Rxc4 Bb5 34. Rec2 Bxc4 35. Rxc4 Rxd5 36. Rxc7 h6 37. Rc6 Rf6 38. Rc3 g5 39. g4 Rc5 40. Re3 Rc2 41. b4 Kg8 42. Kf1 Ra2 43. Kg2 Kf8 44. Kg3 Rf7 45. Kg2 Rf6 46. Kg3 Kf7 47. Ne5+ Ke6 48. Nd3+ Kd5 49. f4 Kd4 50. fxg5 hxg5 51. Nc1 Kxe3 52. Nxa2 Kd2 53. b5 Re6 54. Nb4 Kc3 55. Kf3 Kb3 56. Nc6 Kxa3 57. Kf2 Ka4 58. Kf3 Rf6+ 59. Ke4 Kxb5 0-1

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2011.01.04"]
[Round "5"]
[White "Tenninger, Joerg"]
[Black "Marach, Jonas"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "1627"]
[BlackElo "1386"]
[PlyCount "27"]
[EventDate "2011.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. dxc5 d4 5. Nb5 Nc6 6. e3 Bxc5 7. exd4 Bxd4 8. Nf3 Bxf2+ 9. Ke2 Qxd1+ 10. Kxd1 Ke7 11. Bf4 Nf6 12. Nc7 Rb8 13. Nb5 Ra8 14. Nc7 1/2-1/2

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2011.01.03"]
[Round "4"]
[White "Marach, Jonas"]
[Black "Kramer, Norbert"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1386"]
[BlackElo "1815"]
[PlyCount "102"]
[EventDate "2011.01.02"]
[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 Nf6 3. Bc4 Nxd5 4. d4 Nc6 5. Ne2 Bg4 6. h3 Bh5 7. 0-0 e6 8. Bxd5 exd5 9. Nbc3 Be7 10. Be3 Qd7 11. Qd2 Bxe2 12. Qxe2 0-0-0 13. a3 Bf6 14. Qd3 Kb8 15. b4 g5 16. Na4 Be7 17. Qd2 Rdg8 18. Nc5 Qc8 19. b5 Nd8 20. a4 g4 21. a5 gxh3 22. g3 Qg4 23. Qd1 Bxc5 24. Qxg4 Rxg4 25. dxc5 Rc4 26. Rfd1 c6 27. b6 a6 28. c3 Ne6 29. Bd4 Rg8 30. Kh2 Kc8 31. Kxh3 Kd7 32. Rd3 h5 33. Ra2 Rg4 34. f3 Rg8 35. Kh2 f5 36. f4 Re8 37. Be5 Nxc5 38. Rd4 Rxc3 39. Rxd5+ cxd5 40. Bxc3 Re4 41. Be5 Kc6 42. Kg2 Ra4 43. Re2 Rxa5 44. Bc7 Ra4 45. Kf3 Rc4 46. Rd2 a5 47. Ke2 a4 48. Ke1 a3 49. Ra2 Rc3 50. Kf2 Ne4+ 51. Ke1 Rxg3 0-1

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2011.01.03"]
[Round "3"]
[White "Neumann, Bjoern"]
[Black "Marach, Jonas"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1810"]
[BlackElo "1386"]
[PlyCount "100"]
[EventDate "2011.01.02"]
[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 e6 3. e3 Nf6 4. Bd3 Bd6 5. 0-0 0-0 6. Nbd2 Nbd7 7. b3 Re8 8. Bb2 b6 9. Ne5 Bb7 10. f4 c5 11. Rc1 Rc8 12. Qf3 Rc7 13. Qg3 Ne4 14. Bxe4 dxe4 15. dxc5 Bxe5 16. fxe5 Nxc5 17. Nc4 Ba6 18. Nd6 Bxf1 19. Nxe8 Qxe8 20. Rxf1 Qd8 21. Bd4 Qe7 22. Qg4 h6 23. Rf2 Qd8 24. a3 Qd5 25. Qe2 Qd7 26. Rf1 Qc8 27. Rf2 Qd7 28. Qd1 Qc8 29. Rd2 Nxb3 30. Bxb6 Nxd2 31. Bxc7 Qxc7 32. Qxd2 Qxe5 33. c3 Qd5 34. Qd4 Qxd4 35. exd4 Kf8 36. Kf2 Ke7 37. Ke3 f5 38. c4 Kd6 39. g3 e5 40. d5 g5 41. h3 h5 42. g4 fxg4 43. hxg4 h4 44. Kxe4 h3 45. Kf3 e4+ 46. Kxe4 h2 47. Kd4 h1Q 48. c5+ Kd7 49. Ke5 Qc1 50. c6+ Kc7 0-1

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2011.01.02"]
[Round "1"]
[White "Kerski, Bjoern Ole"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "1944"]
[BlackElo "1386"]
[PlyCount "77"]
[EventDate "2011.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Be6 7. Bg2 Nf6 8. 0-0 Be7 9. Bf4 0-0 10. dxc5 Bxc5 11. Ne5 Nxe5 12. Bxe5 Ng4 13. Bd4 Qd6 14. Rc1 Bxd4 15. Qxd4 Rfd8 16. Rfd1 Rac8 17. Nxd5 Rxc1 18. Rxc1 Bxd5 19. Bxd5 Nf6 20. e4 h6 21. Rd1 Qb6 22. Bxf7+ Kxf7 23. Qxd8 Qxb2 24. Qc7+ Kg6 25. Qf4 Qxa2 26. Qf5+ Kf7 27. e5 Qa4 28. Rb1 Qe4 29. Qxe4 Nxe4 30. Rxb7+ Ke6 31. f4 Kf5 32. Rxg7 a6 33. Rf7+ Kg4 34. Kg2 Nc5 35. Rf6 a5 36. Rc6 Nb7 37. Rxh6 a4 38. Ra6 Nc5 39. Ra5 1-0

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2011.01.02"]
[Round "2"]
[White "Marach, Jonas"]
[Black "Schaefer, Frederik"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1386"]
[PlyCount "97"]
[EventDate "2011.01.02"]
[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 d6 2. Nf3 g6 3. Bc4 Bg7 4. d4 c6 5. Nc3 Qc7 6. 0-0 e5 7. dxe5 dxe5 8. Bg5 Ne7 9. Qe2 Bg4 10. h3 Bxf3 11. Qxf3 Rf8 12. Rad1 h6 13. Bf6 Bxf6 14. Qxf6 Nd7 15. Qd6 Qxd6 16. Rxd6 0-0-0 17. Rfd1 a5 18. R6d3 b5 19. Bxb5 cxb5 20. Nxb5 Nc6 21. a3 Nc5 22. Rd6 Rxd6 23. Rxd6 Kb7 24. Nc3 Rd8 25. Rf6 Rd7 26. f4 Re7 27. Kf2 Nd7 28. Rd6 exf4 29. Nd5 Nc5 30. Rxc6 Kxc6 31. Nxe7+ Kd6 32. Ng8 h5 33. Kf3 Ke5 34. Nh6 f6 35. Nf7+ Ke6 36. Nh8 g5 37. h4 Ke7 38. hxg5 fxg5 39. Ng6+ Kf6 40. Nf8 Kg7 41. b4 axb4 42. axb4 Kxf8 43. bxc5 Ke7 44. e5 Kd7 45. Ke4 h4 46. c3 Kc7 47. e6 Kd8 48. c6 g4 49. Kxf4 1-0

[Event "Niedersachsen-ch open"]
[Site "Verden"]
[Date "2010.01.06"]
[Round "7.46"]
[White "Marach, Jonas"]
[Black "Kessens, Felix Magnus"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1400"]
[BlackElo "1782"]
[PlyCount "93"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nge7 6. Bg5 Qb6 7. Qd2 cxd4 8. cxd4 Nf5 9. Be3 Bd7 10. Bd3 Nxe3 11. fxe3 Nb4 12. Be2 Be7 13. Nc3 0-0 14. 0-0 Rac8 15. a3 Nc6 16. Na4 Qa5 17. Qxa5 Nxa5 18. Nc3 Nc4 19. Bxc4 Rxc4 20. Nd2 Rc7 21. e4 Bg5 22. Nf3 Be3+ 23. Kh1 dxe4 24. Nxe4 Bc6 25. Ned2 Bxf3 26. Nxf3 Rfc8 27. Rfe1 Bf2 28. Rf1 Rc2 29. b3 h6 30. Rfd1 Rb2 31. Rab1 Rcc2 32. b4 Ra2 33. Ra1 g5 34. g4 Kg7 35. Rf1 Be3 36. Rfe1 Bf4 37. Red1 Kg6 38. Rf1 h5 39. h3 h4 40. Nxh4+ Kg7 41. Nf3 Kf8 42. Kg1 Ke7 43. Kh1 Rab2 44. Rab1 Rxb1 45. Rxb1 Ra2 46. Rb3 Kd7 47. Rc3 1/2-1/2

[Event "Niedersachsen-ch open"]
[Site "Verden"]
[Date "2010.01.05"]
[Round "6.51"]
[White "Bonacic, Jascha"]
[Black "Marach, Jonas"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "1764"]
[BlackElo "1400"]
[PlyCount "92"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. d4 a6 5. Ba4 exd4 6. Nxd4 g6 7. Bg5 Bg7 8. Bxc6 bxc6 9. c3 0-0 10. 0-0 a5 11. Nxc6 dxc6 12. Qxd8 Rxd8 13. Bxe7 Re8 14. Ba3 Rxe4 15. Nd2 Re2 16. Rfe1 Bg4 17. Rxe2 Bxe2 18. Re1 Bg4 19. f3 Be6 20. Nb3 Bf8 21. Bxf8 Kxf8 22. Nd4 Bxa2 23. Nxc6 Bd5 24. Nd4 Rb8 25. Re2 c5 26. Re5 cxd4 27. Rxd5 dxc3 28. bxc3 Ra8 29. Rd2 a4 30. Kf2 Ke7 31. Ke3 a3 32. Ra2 Kd6 33. Kd4 Ra4+ 34. c4 Kc6 35. Kc3 Kc5 36. Kb3 Ra7 37. Kc3 f5 38. f4 Re7 39. g3 Re3+ 40. Kd2 Rf3 41. Ke2 Rb3 42. Kd1 Kxc4 43. Rc2+ Rc3 44. h3 Kb3 45. Rxc3+ Kxc3 46. Kc1 a2 0-1

[Event "Niedersachsen-ch open"]
[Site "Verden"]
[Date "2010.01.05"]
[Round "5.56"]
[White "Schwenteck, Peter"]
[Black "Marach, Jonas"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "1759"]
[BlackElo "1400"]
[PlyCount "76"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 a6 4. Bd3 Bg4 5. Nbd2 e6 6. c4 c5 7. Qb3 Qc7 8. Ne5 Bd6 9. f4 Nc6 10. cxd5 Nxd5 11. Nxg4 cxd4 12. Ne4 Bb4+ 13. Bd2 f5 14. Bxb4 Ncxb4 15. 0-0 0-0 16. Ng5 Qb6 17. e4 Nxd3 18. Qxd3 Nb4 19. Qb3 fxg4 20. a3 Nd5 21. Qxb6 Nxb6 22. Nxe6 Rf6 23. Nxd4 Raf8 24. g3 Nc4 25. e5 R6f7 26. Rf2 Nxe5 27. Ne6 Nd3 28. Rd2 Re8 29. Ng5 Rf5 30. Rad1 h6 31. Rxd3 hxg5 32. fxg5 Rxg5 33. Rd7 b5 34. R7d6 Re2 35. R1d2 Rge5 36. Kf1 Re1+ 37. Kf2 Rh1 38. Kg2 Ree1 1/2-1/2

[Event "Niedersachsen-ch open"]
[Site "Verden"]
[Date "2010.01.04"]
[Round "4.53"]
[White "Marach, Jonas"]
[Black "Langenfeld, Stefan"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1400"]
[BlackElo "1958"]
[PlyCount "118"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Nf6 6. Nc3 Bb4 7. Bd3 d5 8. exd5 Nxd5 9. Bd2 Bxc3 10. bxc3 0-0 11. 0-0 a6 12. c4 Nf6 13. Bc3 Bg4 14. h3 Bxf3 15. Qxf3 Qc7 16. Qf5 Rfe8 17. Rfe1 Rad8 18. f4 Qb6+ 19. Kh2 Nd4 20. Bxd4 exd4 21. Re5 g6 22. Qg5 Nh5 23. Rae1 Rxe5 24. Qxe5 Qf6 25. Qxf6 Nxf6 26. g4 h6 27. Re7 Rd7 28. Rxd7 Nxd7 29. f5 g5 30. Kg2 f6 31. Kf3 Nc5 32. Ke2 Kf7 33. Kd2 Ke7 34. c3 dxc3+ 35. Kxc3 a5 36. Bc2 Kd6 37. Kd4 b6 38. a4 Nd7 39. Be4 Nb8 40. Bb7 Nd7 41. Be4 Nc5 42. Bc2 Na6 43. Bb3 Nb4 44. Bd1 Nc6+ 45. Kd3 Kc5 46. Kc3 Ne5 47. Be2 Nf7 48. Bf3 Nd6 49. Bd5 Ne8 50. Be4 Ng7 51. Bf3 Ne8 52. Bg2 Nc7 53. Bb7 Ne8 54. Bf3 Ng7 55. Bd5 h5 56. Bf7 hxg4 57. hxg4 Kc6 58. Kd4 Kd6 59. Bg6 Kc6 1/2-1/2

[Event "Niedersachsen-ch open"]
[Site "Verden"]
[Date "2010.01.04"]
[Round "3.74"]
[White "Marach, Jonas"]
[Black "Moeller, Hannah Sophie"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1400"]
[BlackElo "912"]
[PlyCount "45"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. h3 Be7 4. Bc4 Nf6 5. d3 0-0 6. 0-0 Bd7 7. Nc3 Nc6 8. Be3 Nh5 9. Nxe5 Nxe5 10. Qxh5 g6 11. Qe2 Bg5 12. f4 Bf6 13. fxe5 Bxe5 14. Bh6 Bg7 15. Bxg7 Kxg7 16. Qe3 Qh4 17. Rf4 Qg5 18. Rxf7+ Kh6 19. Rxh7+ Kxh7 20. Qxg5 Kg7 21. Qe7+ Kh8 22. Qxd7 Rac8 23. Nd5 1-0

[Event "Niedersachsen-ch open"]
[Site "Verden"]
[Date "2010.01.03"]
[Round "2.65"]
[White "Guenther, Alexander"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "C34"]
[WhiteElo "1114"]
[BlackElo "1400"]
[PlyCount "27"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Nc6 4. Bc4 Nf6 5. e5 Ng4 6. d4 d6 7. 0-0 dxe5 8. h3 Ne3 9. Bxe3 fxe3 10. Bxf7+ Kxf7 11. Nxe5+ Kg8 12. c3 Nxe5 13. Qb3+ Nf7 14. Qxf7# 1-0

[Event "Niedersachsen-ch open"]
[Site "Verden"]
[Date "2010.01.03"]
[Round "1.42"]
[White "Marach, Jonas"]
[Black "Merettig, Georg"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1400"]
[BlackElo "1958"]
[PlyCount "94"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 b6 3. d4 e6 4. Nc3 Bb7 5. Bc4 Nge7 6. 0-0 Ng6 7. e5 Nce7 8. Bg5 h6 9. Bh4 Nxh4 10. Nxh4 Nd5 11. Bxd5 exd5 12. Nf3 Be7 13. Qe2 0-0 14. a3 a5 15. Rfe1 c5 16. Nb5 Ba6 17. a4 d6 18. Qe3 dxe5 19. Qxe5 Bf6 20. Qc7 Bxb5 21. Qxd8 Rfxd8 22. axb5 cxd4 23. b3 d3 24. Rac1 Bc3 25. Rf1 dxc2 26. Rxc2 Bb4 27. Rc6 Bc5 28. Rd1 d4 29. Rd3 a4 30. b4 a3 31. Rd1 a2 32. Ra1 Bxb4 33. Rc2 d3 34. Rcxa2 Rxa2 35. Rxa2 d2 36. Nxd2 Rxd2 37. Rxd2 Bxd2 38. Kf1 f5 39. Ke2 Bb4 40. f4 Kf7 41. Kd3 Ke6 42. Kc4 Bd6 43. g3 g5 44. h3 gxf4 45. g4 f3 46. gxf5+ Kxf5 47. Kd5 f2 0-1

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2009.01.06"]
[Round "7"]
[White "Marach, Jonas"]
[Black "Hentrop, Malte"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1169"]
[BlackElo "1537"]
[PlyCount "86"]
[EventDate "2009.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. 0-0 0-0 11. Qb3 Be6 12. Qxb7 Na5 13. Qb5 Nxc4 14. Nxc4 Qf6 15. Nce5 Rab8 16. Qe2 g5 17. Rab1 Nf4 18. Qe3 Bxa2 19. g3 Nd5 20. Nd7 Qd8 21. Qxg5+ Qxg5 22. Nxg5 Bxb1 23. Nxb8 Rxb8 24. Rxb1 Kg7 25. Ne4 Rb4 26. f3 Rxd4 27. Re1 Rb4 28. Re2 Nf6 29. Nc5 Rb5 30. Na6 Nd5 31. Rc2 Rb7 32. Rc5 Rb6 33. Nxc7 Nxc7 34. Rxc7 Rxb2 35. Rxa7 Kg6 36. Ra6+ Kg7 37. Ra1 f5 38. Rf1 Re2 39. Rf2 Re7 40. Kg2 h5 41. Rd2 Re6 42. Rd7+ Kg6 43. Rd2 Kh6 1/2-1/2

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2009.01.05"]
[Round "6"]
[White "Grigorian, Spartak"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "1776"]
[BlackElo "1169"]
[PlyCount "61"]
[EventDate "2009.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nc6 2. c4 e5 3. Nc3 Nf6 4. d3 Bb4 5. a3 Bxc3+ 6. bxc3 d6 7. e4 Bg4 8. Be2 0-0 9. 0-0 h6 10. Rb1 Rb8 11. Be3 Qd7 12. Qd2 Kh7 13. Nh4 Bxe2 14. Qxe2 Qg4 15. Nf3 Nh5 16. Ng5+ Qxg5 17. Bxg5 hxg5 18. Qxh5+ Kg8 19. Qxg5 Nd8 20. Rfe1 Ne6 21. Qh4 Nf4 22. Re3 Ng6 23. Qg5 Rfe8 24. Rg3 Kf8 25. h4 Re6 26. h5 Ke8 27. hxg6 Rxg6 28. Qf5 Rxg3 29. fxg3 Ke7 30. d4 f6 31. d5 1-0

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2009.01.05"]
[Round "5"]
[White "Marach, Jonas"]
[Black "Dannenberg, Nicole"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1169"]
[BlackElo "883"]
[PlyCount "75"]
[EventDate "2009.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Be7 5. Nf3 Nf6 6. Bg5 Nc6 7. Bb5 0-0 8. 0-0 Re8 9. Re1 Bd7 10. Bxf6 Bxf6 11. Nxd5 Rc8 12. Rxe8+ Bxe8 13. Qe2 Qxd5 14. Re1 Qd8 15. d5 a6 16. dxc6 Bxc6 17. Bxc6 bxc6 18. Qxa6 Qd7 19. c3 Rd8 20. Qe2 Kf8 21. h3 h6 22. Qe4 Kg8 23. Qe3 Kf8 24. a4 Qd6 25. Ra1 Ra8 26. a5 c5 27. Qe4 Qd8 28. Qc6 Be7 29. a6 Qb8 30. Ne5 Kg8 31. Qb7 Qxb7 32. axb7 Rb8 33. Ra8 Rxa8 34. bxa8Q+ Bf8 35. Nd7 Kh7 36. Qxf8 Kg6 37. f4 Kf5 38. Qxf7+ 1-0

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2009.01.04"]
[Round "4"]
[White "Kleinschmidt, Annika"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1553"]
[BlackElo "1169"]
[PlyCount "97"]
[EventDate "2009.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Be3 Bc5 6. c3 a6 7. Bc4 Nge7 8. 0-0 0-0 9. Kh1 Qe5 10. Qd3 b5 11. Bb3 Bb7 12. Nf3 Qd6 13. Qe2 Na5 14. Rd1 Qc6 15. Bxc5 Qxc5 16. Rxd7 Rad8 17. Rxd8 Rxd8 18. Bc2 Ng6 19. b4 Qc4 20. Qxc4 Nxc4 21. h3 f6 22. a4 c6 23. Bb3 c5 24. Nbd2 Kf8 25. Nxc4 bxc4 26. Bxc4 cxb4 27. cxb4 Bxe4 28. Bxa6 Bxf3 29. gxf3 Ne5 30. Kg2 Nc6 31. Rb1 Rb8 32. Bb5 Na7 33. Bd3 Nc6 34. b5 Na5 35. b6 g6 36. Be4 Ke7 37. Rb5 Nc4 38. a5 Nxa5 39. Rxa5 Rxb6 40. Ra7+ Kd6 41. Rxh7 f5 42. Rh6 Ke5 43. Bd3 Kf4 44. Rh4+ Ke5 45. f4+ Kd4 46. Be2 Rb2 47. Bf3 Rb3 48. Rh6 Rb6 49. Bh5 1-0

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2009.01.04"]
[Round "3"]
[White "Marach, Jonas"]
[Black "Guede, Klaus"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1169"]
[BlackElo "1738"]
[PlyCount "78"]
[EventDate "2009.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. Nf3 Bg4 6. Be2 Nd7 7. 0-0 e6 8. d4 Be7 9. Bf4 0-0-0 10. Ne5 Nxe5 11. Bxe5 Bxe2 12. Qxe2 Bf6 13. c3 Bxe5 14. Qxe5 Qxe5 15. dxe5 Rd2 16. b3 Rhd8 17. c4 Rb2 18. Rfb1 Re2 19. Re1 Rdd2 20. Rxe2 Rxe2 21. f4 Rd2 22. Kf1 Kd7 23. Kg1 Kc6 24. g3 Kc5 25. h3 Kd4 26. a3 Rd3 27. Kf2 Rxb3 28. Rd1+ Rd3 29. Rb1 b6 30. c5 Rxa3 31. Rd1+ Rd3 32. Ra1 a5 33. cxb6 cxb6 34. Rb1 Kc5 35. Rc1+ Kb4 36. Rc7 a4 37. Rxf7 a3 38. Rxg7 a2 39. Ra7 Ra3 0-1

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2009.01.03"]
[Round "2"]
[White "Frenz Evers, Hartmut"]
[Black "Marach, Jonas"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1342"]
[BlackElo "1169"]
[PlyCount "97"]
[EventDate "2009.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. a4 a5 7. Qb3 0-0 8. Bg5 h6 9. Bh4 Bg4 10. Nbd2 Rb8 11. h3 Bd7 12. 0-0 Qe7 13. Rad1 Be6 14. Bxe6 Qxe6 15. Qxe6 fxe6 16. Nb3 Nd7 17. Rfe1 b5 18. Nxc5 Nxc5 19. axb5 Rxb5 20. Re2 Na4 21. Rdd2 Re8 22. d4 exd4 23. Nxd4 Nxd4 24. cxd4 c6 25. Rc2 c5 26. dxc5 dxc5 27. f3 Reb8 28. Bf2 Rxb2 29. Bxc5 Rxc2 30. Rxc2 Nxc5 31. Rxc5 Ra8 32. Kf2 a4 33. Rc2 a3 34. Ra2 Kf7 35. Ke3 e5 36. Kd3 Kf6 37. Kc4 Kg5 38. Kd5 Kf4 39. Kc4 h5 40. Kd3 g5 41. Kc4 Ke3 42. Kc3 Kf4 43. Kc2 Kg3 44. Kb1 Kf4 45. Kc1 Kg3 46. Kd1 Ra7 47. Kc1 Ra8 48. Kb1 Ra7 49. Rc2 1/2-1/2

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2009.01.03"]
[Round "1"]
[White "Marach, Jonas"]
[Black "Schumacher, Klaus"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "1169"]
[BlackElo "1897"]
[PlyCount "71"]
[EventDate "2009.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Nf6 6. Nxf5 Qa5+ 7. Bd2 Qxf5 8. Bd3 Qg4 9. Qxg4 Nxg4 10. Nf3 e6 11. h3 Nf6 12. 0-0 Bd6 13. Rfe1 0-0 14. c4 Rd8 15. a3 c5 16. Bg5 Nbd7 17. Rad1 cxd4 18. Nxd4 Be5 19. Bc2 h6 20. Bh4 Rdc8 21. Bxf6 Bxf6 22. Nxe6 Ne5 23. Nd4 Nxc4 24. Bf5 Rd8 25. Nf3 Bxb2 26. Rb1 Bxa3 27. Rxb7 Nd6 28. Rb3 Nxf5 29. Rxa3 a5 30. Re5 g6 31. Raxa5 Rxa5 32. Rxa5 Rd1+ 33. Kh2 Rf1 34. Ra2 Nd6 35. Ne5 Kg7 36. Nd3 1/2-1/2

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2008.05.11"]
[Round "8"]
[White "Damm, Nils"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1109"]
[BlackElo "1000"]
[PlyCount "75"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 Bb4+ 6. c3 dxc3 7. bxc3 Qe7 8. cxb4 Qxb4+ 9. Nbd2 Ne4 10. 0-0 Nxd2 11. Nxd2 Nxe5 12. Re1 Qc3 13. Rb1 0-0 14. Bb2 Qa5 15. Rxe5 Qb6 16. Rg5 Qh6 17. Rxg7+ Qxg7 18. Bxg7 Kxg7 19. Qg4+ Kh8 20. h3 d5 21. Qd4+ Kg8 22. Rb3 Re8 23. Rg3+ Kf8 24. Qxd5 Be6 25. Qc5+ Re7 26. Bxe6 fxe6 27. Rf3+ Ke8 28. Qh5+ Kd7 29. Qb5+ c6 30. Qxb7+ Kd6 31. Rd3+ Ke5 32. Qxe7 Kf5 33. Qxh7+ Kf6 34. Rf3+ Ke5 35. Qe4+ Kd6 36. Rd3+ Ke7 37. Qxc6 Rb8 38. Qd6+ 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2008.05.11"]
[Round "10"]
[White "Hamacher, Emily"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "847"]
[BlackElo "1000"]
[PlyCount "83"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d6 4. Nf3 Nc6 5. Bc4 Be7 6. h3 Be6 7. d3 Bxc4 8. dxc4 Qd7 9. 0-0 Qe6 10. Nd5 Qd7 11. Ng5 h6 12. Nf3 Nxe4 13. Qd3 Nc5 14. Qe3 0-0-0 15. b4 Ne6 16. f5 Ned4 17. b5 Nxf3+ 18. Rxf3 Nd4 19. Rf1 b6 20. Qe4 Kb8 21. c3 c6 22. Ne3 Ne2+ 23. Kf2 Nxc3 24. Qc2 d5 25. bxc6 Qxc6 26. cxd5 Qc8 27. Bd2 Nb5 28. Qb3 Nd4 29. Qb2 Nxf5 30. Qxe5+ Rd6 31. Nxf5 Qc5+ 32. Be3 Qc2+ 33. Kg1 f6 34. Qxe7 Rdd8 35. Rfc1 Qxf5 36. Qc7+ Ka8 37. a4 Rc8 38. Qxg7 Rhg8 39. Rxc8+ Qxc8 40. Qxf6 Qxh3 41. Qc6+ Kb8 42. Bf4# 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2008.05.11"]
[Round "2"]
[White "Manusina, Nicole"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1601"]
[BlackElo "1000"]
[PlyCount "213"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Be7 7. Rc1 0-0 8. cxd5 exd5 9. Bd3 Ne4 10. Bxe7 Qxe7 11. 0-0 Re8 12. Qc2 Nb6 13. b3 Bg4 14. Ne5 Nxc3 15. Qxc3 Bh5 16. Bb1 Qg5 17. f4 Qe7 18. Qd3 Bg6 19. f5 f6 20. fxg6 fxe5 21. Rf7 e4 22. Qf1 Qe6 23. gxh7+ Kxh7 24. Rxb7 Rf8 25. Qe2 Qh6 26. Re1 Rf6 27. h3 Rg6 28. Kh2 Qh4 29. Rf1 Qg3+ 30. Kh1 Qd6 31. Rbf7 Kg8 32. Bc2 Qa3 33. Bd1 Rd8 34. Qf2 Nd7 35. Rf4 Nf6 36. Rh4 Qe7 37. Rf4 Rf8 38. Qc2 Qd6 39. Qc5 Qxc5 40. dxc5 a5 41. Be2 Ra8 42. Rf5 Nd7 43. Rc1 a4 44. b4 a3 45. b5 Ra5 46. b6 Rxc5 47. Rxc5 Nxc5 48. g4 Nb7 49. Ba6 Nc5 50. Bc8 Rd6 51. Rf1 Rd8 52. b7 Na6 53. Rb1 Nb8 54. Rb3 c5 55. Rb5 d4 56. Rxc5 dxe3 57. Be6+ Kh7 58. Rc1 e2 59. Bb3 Kh6 60. Kg2 Rd2 61. Re1 Kg5 62. Kf2 Kh4 63. Rxe2 Rxe2+ 64. Kxe2 Kxh3 65. Be6 Kg2 66. Ke3 Kf1 67. Kxe4 Ke2 68. Kf5 Kf3 69. g5 Ke3 70. Kg6 Kf4 71. Kxg7 Kxg5 72. Kf7 Kf4 73. Ke7 Ke5 74. Bb3 Kd4 75. Kd8 Kc5 76. Kc7 Na6+ 77. Kc8 Kb6 78. b8Q+ Nxb8 79. Kxb8 Ka5 80. Kc7 Kb5 81. Kb7 Ka5 82. Kc6 Ka6 83. Kc5 Ka5 84. Bc2 Ka6 85. Kb4 Kb6 86. Kxa3 Ka5 87. Kb3 Kb5 88. a4+ Ka5 89. Bd3 Kb6 90. Kb4 Ka7 91. a5 Kb7 92. Kb5 Ka7 93. Be4 Kb8 94. Kb6 Kc8 95. a6 Kd7 96. a7 Ke6 97. a8Q Ke5 98. Qd5+ Kf4 99. Kc5 Ke3 100. Bh7 Kf4 101. Kd4 Kg3 102. Qf5 Kg2 103. Qf4 Kg1 104. Qf3 Kh2 105. Ke3 Kg1 106. Qf2+ Kh1 107. Be4# 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2008.05.11"]
[Round "11"]
[White "Marach, Jonas"]
[Black "Baberz, Alexander"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1000"]
[BlackElo "984"]
[PlyCount "132"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d5 4. cxd4 dxe4 5. Nc3 Nf6 6. Bc4 e6 7. a3 Nc6 8. Nge2 h6 9. 0-0 Be7 10. Be3 0-0 11. Ng3 Qc7 12. Ngxe4 Nxe4 13. Nxe4 Rd8 14. Qd2 Nxd4 15. Qc3 b5 16. Bxd4 Qxc4 17. Bxg7 Qxc3 18. Bxc3 Bb7 19. Nf6+ Bxf6 20. Bxf6 Re8 21. a4 bxa4 22. Rxa4 Kh7 23. Rfa1 Rg8 24. f3 a6 25. Rb4 Bd5 26. Rb6 Bxf3 27. Kf2 Bxg2 28. Raxa6 Rxa6 29. Rxa6 Rg6 30. Bc3 Bd5 31. b4 Rg8 32. Ra1 Rg2+ 33. Ke3 Rxh2 34. Rg1 Rh3+ 35. Kd2 Rh2+ 36. Kd3 Rg2 37. Rb1 h5 38. b5 h4 39. b6 Bb7 40. Rh1 Rg3+ 41. Ke2 Bxh1 42. Be5 Rg4 43. Kf2 h3 44. Bg3 Rxg3 45. Kxg3 Bg2 46. b7 Bxb7 47. Kxh3 f5 48. Kg3 e5 49. Kf2 f4 50. Ke2 f3+ 51. Kf2 e4 52. Ke3 Kg6 53. Kf2 Kg5 54. Ke3 Kg4 55. Kf2 e3+ 56. Ke1 f2+ 57. Kf1 Ba6+ 58. Kg2 f1Q+ 59. Kh2 Qh3+ 60. Kg1 e2 61. Kf2 e1Q+ 62. Kxe1 Qg2 63. Kd1 Kf3 64. Kc1 Bd3 65. Kd1 Qc2+ 66. Ke1 Qe2# 0-1

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2008.05.11"]
[Round "9"]
[White "Marach, Jonas"]
[Black "Reksten, Lisa"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1000"]
[BlackElo "936"]
[PlyCount "79"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. Qb3 Na5 11. Qb5+ Nc6 12. Qxd5 Qxd5 13. Bxd5 0-0 14. Bxc6 bxc6 15. 0-0 Bf5 16. Rfe1 Rab8 17. Nb3 Bg4 18. Ne5 Be6 19. Nxc6 Rb7 20. h3 Bxb3 21. axb3 Rxb3 22. Rxa7 Rxb2 23. Rxc7 h6 24. Rc8 Rxc8 25. Ne7+ Kh7 26. Nxc8 Rd2 27. Re4 Rd1+ 28. Kh2 Rd2 29. Nb6 Rxf2 30. d5 Rb2 31. Nc4 Rc2 32. d6 Ra2 33. d7 Ra8 34. Re8 Rxe8 35. dxe8Q f6 36. Nd6 f5 37. Nxf5 g6 38. Qf7+ Kh8 39. Nxh6 g5 40. Qg8# 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2008.05.11"]
[Round "5"]
[White "Marach, Jonas"]
[Black "Schramm, Anna Lena"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1000"]
[BlackElo "780"]
[PlyCount "75"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. dxe5 Bc5 6. Bd2 Qb6 7. Qe2 Ne7 8. Qb5+ Qxb5 9. Bxb5+ c6 10. Ba4 0-0 11. Nf3 h6 12. Ne4 Bb6 13. Bb4 Bd8 14. 0-0-0 b5 15. Nd6 bxa4 16. Nxc8 Bb6 17. Nxb6 axb6 18. Bxe7 Rc8 19. Rd8+ Rxd8 20. Bxd8 Na6 21. Bxb6 Rb8 22. Ba5 f6 23. exf6 gxf6 24. Rd1 Kg7 25. Rd7+ Kg6 26. Rd6 Rb5 27. Bc3 Kh5 28. Rxc6 Nb8 29. Rxf6 Nd7 30. Rd6 Nf8 31. Rd8 Ne6 32. Re8 Nc7 33. Re5+ Rxe5 34. Bxe5 Ne6 35. c4 Kg6 36. Nd4 Nc5 37. Kc2 Kf7 38. Bd6 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2008.05.11"]
[Round "7"]
[White "Marach, Jonas"]
[Black "Schroeder, Janina"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1000"]
[BlackElo "738"]
[PlyCount "127"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. Qb3 Na5 11. Qa4+ Nc6 12. Bb5 Bd7 13. 0-0 0-0 14. Rfe1 a6 15. Bd3 b5 16. Qc2 Ncb4 17. Bxh7+ Kh8 18. Qe4 Nf6 19. Qe7 Nxh7 20. Qxb4 a5 21. Qc5 c6 22. Re7 Be6 23. h3 Re8 24. Rxe8+ Qxe8 25. Re1 Qd8 26. Ne5 Qg5 27. Qxc6 Rg8 28. Qxe6 Rf8 29. Nxf7+ Rxf7 30. Qxf7 Nf6 31. Nf3 Qh6 32. Re5 Qc1+ 33. Kh2 Qf4+ 34. g3 Qxf3 35. Re8+ Kh7 36. Kg1 Qd1+ 37. Kg2 Qxd4 38. Re7 Qd5+ 39. Qxd5 Nxd5 40. Re5 Nc7 41. a4 bxa4 42. Rxa5 Ne6 43. Rxa4 Nc5 44. Rh4+ Kg8 45. b4 Nb7 46. Rd4 Kf8 47. f4 Ke7 48. g4 Kf6 49. h4 g6 50. Kf3 Ke6 51. Ke4 Nd6+ 52. Rxd6+ Kxd6 53. h5 gxh5 54. gxh5 Ke7 55. b5 Kd7 56. h6 Kd6 57. h7 Kc5 58. h8Q Kxb5 59. Qc8 Kb4 60. Kd4 Kb3 61. Qc3+ Ka4 62. Qb2 Ka5 63. Kc5 Ka6 64. Qb6# 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2008.05.11"]
[Round "1"]
[White "Marach, Jonas"]
[Black "Storch, Domenic"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1000"]
[BlackElo "1338"]
[PlyCount "64"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 Nc6 3. Nf3 e6 4. Nc3 Nge7 5. d3 d5 6. Bb5 a6 7. Bxc6+ bxc6 8. Bf4 Ng6 9. Bg3 Be7 10. d4 Bb7 11. Ne5 Nxe5 12. Bxe5 f6 13. Bg3 Qb6 14. dxc5 Bxc5 15. Ne2 g5 16. 0-0 0-0 17. e5 f5 18. h3 Kh8 19. Qd2 Rg8 20. h4 f4 21. Bh2 f3 22. gxf3 gxh4+ 23. Kh1 Raf8 24. Ng1 d4 25. Qh6 d3 26. Qxh4 Bd4 27. Rad1 a5 28. c4 c5 29. Rxd3 Rg6 30. b3 Qc6 31. Qe7 Rxf3 32. Nxf3 Qxf3+ 0-1

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2008.05.11"]
[Round "3"]
[White "Marach, Jonas"]
[Black "Wagner, Swenja"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1000"]
[BlackElo "832"]
[PlyCount "125"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. Qb3 Be6 11. Qxb7 Na5 12. Qb5+ c6 13. Qc5 Nxc4 14. Nxc4 Ne7 15. Nd6+ Kf8 16. Ng5 Bd5 17. b3 f6 18. Nf3 h5 19. Nf5 Qd7 20. Qxe7+ Qxe7+ 21. Nxe7 Kxe7 22. Ke2 Rac8 23. Rhe1 c5 24. Kd3+ Kf7 25. Rac1 cxd4 26. Rxc8 Rxc8 27. Kxd4 Rd8 28. Kc5 Bxf3 29. gxf3 Rc8+ 30. Kb4 Rc2 31. a4 Rxf2 32. Rd1 Rxf3 33. Rd7+ Kg6 34. Rxa7 Rf4+ 35. Ka3 f5 36. a5 Re4 37. a6 f4 38. Rc7 f3 39. a7 Re8 40. Re7 Ra8 41. Re1 Rxa7+ 42. Kb2 f2 43. Rf1 Rf7 44. Kc2 Kh6 45. Kd2 g5 46. Ke2 g4 47. Rxf2 Rxf2+ 48. Kxf2 h4 49. b4 g3+ 50. hxg3 h3 51. Kg1 Kh5 52. b5 Kg4 53. b6 Kxg3 54. b7 h2+ 55. Kh1 Kh3 56. b8Q Kg4 57. Qf8 Kh3 58. Qg7 Kh4 59. Kxh2 Kh5 60. Kg2 Kh4 61. Kf3 Kh5 62. Kf4 Kh4 63. Qg4# 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2008.05.11"]
[Round "4"]
[White "Schmid, Floyd"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1156"]
[BlackElo "1000"]
[PlyCount "105"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 d5 6. Bb5 Nd7 7. Bxc6 bxc6 8. 0-0 c5 9. Re1 Nb6 10. h3 Be7 11. b3 0-0 12. Bb2 f6 13. e6 Bd6 14. a4 a5 15. b4 axb4 16. a5 Nc4 17. Bc1 Rxa5 18. Rxa5 Nxa5 19. Qe2 Nc6 20. Nh4 Ne5 21. f4 Ng6 22. Nxg6 hxg6 23. e7 Bxe7 24. Qxe7 Qxe7 25. Rxe7 Rf7 26. Re1 Bf5 27. Re2 d3 28. cxd3 Bxd3 29. Rb2 Re7 30. Kf2 Re4 31. g4 Rc4 32. Bd2 Rc2 33. Rb3 Ra2 34. Rxd3 Ra1 35. Rb3 Ra2 36. Ke3 Kf7 37. f5 g5 38. Be1 Rh2 39. Kf3 Rxh3+ 40. Bg3 Rh1 41. Bxc7 Ke7 42. Bg3 Kd7 43. Nd2 Rd1 44. Ke2 Rc1 45. Rb1 Rxb1 46. Nxb1 Kc6 47. Kd2 d4 48. Kd3 Kd5 49. Nd2 Kc6 50. Kc4 Kb6 51. Nb3 d3 52. Kxd3 Kb5 53. Nd2 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2008.05.11"]
[Round "6"]
[White "Wenzke, Tim"]
[Black "Marach, Jonas"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1129"]
[BlackElo "1000"]
[PlyCount "111"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Bf4 Nf6 4. Nc3 Bd6 5. Bd2 c6 6. a3 Nbd7 7. e3 a6 8. Qc2 c5 9. Nf3 0-0 10. Bd3 dxc4 11. Bxc4 b5 12. Be2 Bb7 13. Bd3 c4 14. Be2 Re8 15. e4 e5 16. d5 Qb6 17. h3 Bc5 18. Rf1 Rad8 19. g4 a5 20. Nd1 b4 21. Qxc4 Rc8 22. Qd3 Bd4 23. Nxd4 Qxd4 24. Qxd4 exd4 25. f3 Re7 26. Bd3 Bxd5 27. Nf2 Bc4 28. Rc1 Nb6 29. axb4 Bxd3 30. Rxc8+ Nxc8 31. Nxd3 axb4 32. Bxb4 Nd5 33. Bxe7 Ndxe7 34. Kd2 f6 35. Rc1 Kf7 36. Nf4 Na7 37. Rc7 Nac6 38. Nd5 g6 39. Nxe7 Nxe7 40. Kd3 Ke6 41. Rxe7+ Kxe7 42. Kxd4 Kd6 43. b4 Kc6 44. Kc4 h6 45. f4 h5 46. gxh5 gxh5 47. h4 Kb6 48. Kd5 Kb5 49. Ke6 Kxb4 50. Kxf6 Kc5 51. e5 Kc6 52. e6 Kc7 53. Kf7 Kd6 54. e7 Kd5 55. e8Q Kd4 56. Kf6 1-0

