[Event "DESC-chT VR-Gr04 email"]
[Site "DESC email"]
[Date "2002.03.15"]
[Round "?"]
[White "Bartsch, Andreas"]
[Black "Koch, Marvin"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "61"]
[EventDate "2002.??.??"]
[EventType "team-tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]
[WhiteTeam "Rochade 5171"]
[BlackTeam "Gifhorn"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be2 Nd7 5. Bg5 h6 6. Be3 e5 7. Qd2 exd4 8. Bxd4 Bxd4 9. Qxd4 Ngf6 10. f4 0-0 11. h4 h5 12. 0-0-0 Qe7 13. Nf3 Nb6 14. e5 dxe5 15. fxe5 Ng4 16. Rhe1 Bf5 17. Qf4 Rfd8 18. Nd4 Qxe5 19. Qxe5 Nxe5 20. Nxf5 gxf5 21. Bxh5 Rxd1+ 22. Rxd1 Nec4 23. b3 Nd6 24. Bf3 a5 25. a4 Kg7 26. Nb5 Nxb5 27. axb5 a4 28. Bxb7 Ra5 29. Bc6 a3 30. c4 f4 31. Kb1 1-0

[Event "DESC-chT VR-Gr04 email"]
[Site "DESC email"]
[Date "2002.03.15"]
[Round "?"]
[White "Koch, Marvin"]
[Black "Raiter, Sandra"]
[Result "1-0"]
[ECO "B03"]
[PlyCount "24"]
[EventDate "2002.??.??"]
[EventType "team-tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]
[WhiteTeam "Gifhorn"]
[BlackTeam "WCC"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Nc6 7. d5 Ne5 8. f4 Bg4 9. Be2 Nbxc4 10. fxe5 Nxe5 11. Qb3 Bxe2 12. Ncxe2 Qh4+ 1-0

[Event "DESC-chT VR-Gr04 email"]
[Site "DESC email"]
[Date "2002.03.15"]
[Round "?"]
[White "Schoepe, Heinz Joachim"]
[Black "Koch, Marvin"]
[Result "1-0"]
[ECO "A42"]
[PlyCount "67"]
[EventDate "2002.??.??"]
[EventType "team-tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]
[WhiteTeam "Zugzwang Bocholt"]
[BlackTeam "Gifhorn"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nc6 5. Be3 e5 6. d5 Nd4 7. Nge2 c5 8. dxc6 Nxc6 9. Qd2 Nf6 10. f3 0-0 11. Rd1 Be6 12. b3 Ne8 13. g3 f5 14. Bg2 Qa5 15. Nd5 Qxd2+ 16. Rxd2 Rd8 17. 0-0 Nf6 18. Nc7 Bf7 19. Nb5 fxe4 20. fxe4 Be6 21. h3 Ne8 22. Nxa7 Nxa7 23. Bxa7 Rxf1+ 24. Kxf1 Bh6 25. Rc2 Ra8 26. Bb6 Ra6 27. Bg1 Bf7 28. Nc3 Nc7 29. Nd5 Ne6 30. Ke2 Bg7 31. Kd3 Nd4 32. Bxd4 exd4 33. Nc7 Ra5 34. Nb5 1-0

[Event "Niedersachsen-ch U18"]
[Site "Hambuehren"]
[Date "2002.??.??"]
[Round "1"]
[White "Etlender, German"]
[Black "Koch, Marvin"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "1863"]
[BlackElo "1513"]
[PlyCount "65"]
[EventDate "2002.03.??"]
[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 g6 2. c4 Bg7 3. Nc3 d6 4. g3 Nc6 5. d5 Ne5 6. e4 c5 7. f4 Nd7 8. Qc2 Ngf6 9. Bg2 Nb6 10. b3 a6 11. Bb2 Qc7 12. Nf3 e6 13. 0-0 0-0 14. Rad1 exd5 15. Nxd5 Nbxd5 16. cxd5 Re8 17. e5 Bf5 18. Qc1 Ne4 19. Rfe1 dxe5 20. g4 Bxg4 21. Rxe4 Bxf3 22. Bxf3 f5 23. Bxe5 Bxe5 24. Rxe5 Rxe5 25. fxe5 Qxe5 26. Qxc5 Re8 27. Qd4 Qxd4+ 28. Rxd4 Kf7 29. Kf2 b5 30. Rd2 a5 31. d6 Rd8 32. Bc6 b4 33. d7 1-0

[Event "Niedersachsen-ch U18"]
[Site "Hambuehren"]
[Date "2002.??.??"]
[Round "4"]
[White "Karatajew, Maxim"]
[Black "Koch, Marvin"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1721"]
[BlackElo "1513"]
[PlyCount "41"]
[EventDate "2002.03.??"]
[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 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nd7 5. Nf3 e5 6. dxe5 dxe5 7. Bc4 exf4 8. Bxf4 Ngf6 9. 0-0 c6 10. Bb3 0-0 11. Ng5 Qb6+ 12. Kh1 h6 13. Nxf7 Rxf7 14. Bxf7+ Kxf7 15. e5 g5 16. exf6 Bxf6 17. Bd6 Kg7 18. Ne4 Qxb2 19. Nxf6 Nxf6 20. Rb1 Qxa2 21. Be5 1-0

[Event "Niedersachsen-ch U18"]
[Site "Hambuehren"]
[Date "2002.??.??"]
[Round "2"]
[White "Koch, Marvin"]
[Black "Habekost, Drees"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1513"]
[BlackElo "1272"]
[PlyCount "79"]
[EventDate "2002.03.??"]
[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 c6 2. d4 d5 3. e5 Bf5 4. g4 Bg6 5. h4 h6 6. h5 Bh7 7. e6 fxe6 8. Bd3 Qa5+ 9. c3 Nf6 10. Bxh7 Nxh7 11. Qd3 Nf6 12. Qg6+ Kd8 13. Nh3 Nbd7 14. Nf4 e5 15. Ne6+ Kc8 16. dxe5 Nxe5 17. Qf5 Ned7 18. b4 Qb6 19. Be3 Qa6 20. Qf4 Ne8 21. Qf7 Nd6 22. Qf4 Qc4 23. Bd4 b6 24. Nd2 Qa6 25. a4 Kb7 26. Nb3 Rc8 27. a5 Qd3 28. f3 Nc4 29. a6+ Ka8 30. Nc7+ Kb8 31. Ne6+ Ka8 32. Rh2 c5 33. Rd1 Qh7 34. bxc5 bxc5 35. Nbxc5 Nxc5 36. Bxc5 g5 37. Qd4 Na5 38. Qxd5+ Nc6 39. Qd7 Bg7 40. Qb7# 1-0

[Event "Niedersachsen-ch U18"]
[Site "Hambuehren"]
[Date "2002.??.??"]
[Round "5"]
[White "Koch, Marvin"]
[Black "Hartje, Rainer Michael"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1513"]
[BlackElo "1427"]
[PlyCount "17"]
[EventDate "2002.03.??"]
[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. Bc4 Nf6 3. Nf3 Nxe4 4. Nc3 Nxc3 5. dxc3 Bd6 6. Ng5 0-0 7. Qh5 h6 8. Nxf7 Qf6 9. Nxh6+ 1-0

[Event "Niedersachsen-ch U18"]
[Site "Hambuehren"]
[Date "2002.??.??"]
[Round "3"]
[White "Koch, Marvin"]
[Black "Hoeffer, David"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1513"]
[BlackElo "1836"]
[PlyCount "46"]
[EventDate "2002.03.??"]
[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 b6 2. d4 e6 3. Nc3 Bb7 4. Bd3 c5 5. Nge2 cxd4 6. Nxd4 Bc5 7. Be3 Ne7 8. f4 g5 9. Qf3 gxf4 10. Qxf4 Ng6 11. Qf2 Na6 12. 0-0 Qe7 13. a3 Ne5 14. Be2 Nc6 15. Bxa6 Bxa6 16. Nxc6 Bxe3 17. Qxe3 dxc6 18. Rfe1 0-0-0 19. Rad1 Rxd1 20. Rxd1 Rd8 21. Rxd8+ Qxd8 22. e5 Qh4 23. Qe4 Qg5 1/2-1/2

[Event "Niedersachsen-ch U18"]
[Site "Hambuehren"]
[Date "2002.??.??"]
[Round "7"]
[White "Koch, Marvin"]
[Black "Rudolph, Stefan"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "1513"]
[BlackElo "1603"]
[PlyCount "26"]
[EventDate "2002.03.??"]
[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 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 Bd7 7. 0-0 e6 8. Be3 Nd4 9. Qd2 b5 10. Rae1 Rb8 11. f4 Ne7 12. Nd1 0-0 13. c3 Nxe2+ 1/2-1/2

[Event "DESC-chT VR-Gr04 email"]
[Site "DESC email"]
[Date "2002.??.??"]
[Round "?"]
[White "Koch, Marvin"]
[Black "Simanowski, Alf"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "93"]
[EventDate "2002.??.??"]
[EventType "team-tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]
[WhiteTeam "Gifhorn"]
[BlackTeam "Sorglose Sch(w)achkoepfe II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Bc4 Nf6 3. Nf3 Nxe4 4. Nc3 Nc6 5. Nxe4 d5 6. Bd3 dxe4 7. Bxe4 Bd6 8. d4 exd4 9. Bxc6+ bxc6 10. Qxd4 Qe7+ 11. Be3 0-0 12. 0-0 c5 13. Qc3 Bb7 14. Rfe1 Bxf3 15. Bh6 Bxh2+ 16. Kf1 Qf6 17. Qxf6 gxf6 18. Bxf8 Bd5 19. Bxc5 Bc4+ 20. Re2 Be5 21. c3 Rb8 22. b3 Bxe2+ 23. Kxe2 Bxc3 24. Rd1 a5 25. Rd7 Be5 26. g3 Rb5 27. Ba3 Rb6 28. Rd5 Ra6 29. f4 Bc3 30. Bc5 Kg7 31. g4 h6 32. Kd3 Bb4 33. a3 Bxc5 34. Rxc5 Rd6+ 35. Kc4 Re6 36. f5 Re4+ 37. Kb5 Rxg4 38. Kxa5 h5 39. b4 h4 40. Rxc7 Rf4 41. Rc2 Rxf5+ 42. b5 h3 43. a4 Rh5 44. Rh2 Kg6 45. Ka6 Kf5 46. b6 Rh8 47. b7 1-0

[Event "Niedersachsen-ch U18"]
[Site "Hambuehren"]
[Date "2002.??.??"]
[Round "6"]
[White "Ly, Kim Long"]
[Black "Koch, Marvin"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1686"]
[BlackElo "1513"]
[PlyCount "41"]
[EventDate "2002.03.??"]
[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 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nd7 5. Qd2 e5 6. Nge2 Ne7 7. Bh6 0-0 8. 0-0-0 f5 9. h4 Bxh6 10. Qxh6 Nf6 11. f3 fxe4 12. Nxe4 Nf5 13. Qd2 Nxe4 14. fxe4 Nxd4 15. Nxd4 exd4 16. Bc4+ Kg7 17. h5 g5 18. Rdf1 Rxf1+ 19. Rxf1 Qe7 20. Rf7+ Qxf7 21. Qxg5+ 1-0

[Event "Niedersachsen-ch U18"]
[Site "Frenswegen"]
[Date "2001.04.??"]
[Round "2"]
[White "Jansen, Christian"]
[Black "Koch, Marvin"]
[Result "1/2-1/2"]
[ECO "C40"]
[WhiteElo "1524"]
[BlackElo "1388"]
[PlyCount "38"]
[EventDate "2001.04.??"]
[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 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Be3 Qf7 7. Be2 Nf6 8. Ncd2 Be6 9. c4 c6 10. Nc3 d5 11. cxd5 cxd5 12. f3 exf3 13. Bxf3 Nc6 14. 0-0 Qd7 15. Qe2 Be7 16. Rae1 0-0 17. Nb3 Bb4 18. Bd2 Rae8 19. Qd1 Bf5 1/2-1/2

[Event "Niedersachsen-ch U18"]
[Site "Frenswegen"]
[Date "2001.04.??"]
[Round "1"]
[White "Koch, Marvin"]
[Black "Hofschroer, Kevin"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "1388"]
[BlackElo "1804"]
[PlyCount "95"]
[EventDate "2001.04.??"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 Nc6 7. h3 e5 8. d5 Nb4 9. fxe5 dxe5 10. a3 Nxd3+ 11. Qxd3 h6 12. Be3 Ne8 13. Bc5 Nd6 14. 0-0-0 b6 15. Bxd6 cxd6 16. g4 f5 17. gxf5 gxf5 18. Rdf1 fxe4 19. Nxe4 Bf5 20. Nfd2 Qd7 21. Qe3 Rac8 22. h4 b5 23. Rhg1 Kh8 24. Rg3 a5 25. Rgf3 Bg6 26. Rxf8+ Rxf8 27. Rxf8+ Bxf8 28. Qf3 Qf5 29. Qxf5 Bxf5 30. b4 axb4 31. axb4 Kg7 32. c4 bxc4 33. Kb2 Kf7 34. Kc3 Ke8 35. Kxc4 Be7 36. h5 Kd7 37. Ng3 Bg4 38. Kb5 Kc7 39. Ka6 Bg5 40. Nde4 Bf4 41. b5 Bc8+ 42. Ka5 Be3 43. Nf6 Bd2+ 44. Ka4 Bg5 45. Nge4 Bxf6 46. Nxf6 Kb6 47. Kb4 Kc7 48. Kc4 1/2-1/2

[Event "Niedersachsen-ch U18"]
[Site "Frenswegen"]
[Date "2001.04.??"]
[Round "3"]
[White "Koch, Marvin"]
[Black "Ly, Kim Long"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1388"]
[BlackElo "1553"]
[PlyCount "103"]
[EventDate "2001.04.??"]
[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 c5 2. Nc3 g6 3. d3 Bg7 4. Nge2 Nc6 5. g3 Rb8 6. a4 d6 7. Bg2 e6 8. 0-0 Nge7 9. Bf4 e5 10. Bd2 0-0 11. Kh1 h6 12. f4 Be6 13. Qc1 Kh7 14. Nd5 f5 15. Nxe7 Nxe7 16. fxe5 dxe5 17. Be3 b6 18. a5 Qd7 19. axb6 axb6 20. Qd2 Nc6 21. Nc3 Nd4 22. Bxd4 cxd4 23. Ne2 fxe4 24. dxe4 Bh3 25. c3 Bxg2+ 26. Kxg2 d3 27. Rxf8 Rxf8 28. Rf1 Rxf1 29. Kxf1 Qh3+ 30. Kg1 dxe2 31. Qxe2 h5 32. Qb5 Qe6 33. Qd5 Qf6 34. Kg2 g5 35. h3 g4 36. hxg4 hxg4 37. Qd1 Qg6 38. Qe1 Bh6 39. Kf2 Qf6+ 40. Kg1 Qf3 41. Kh2 Be3 42. Qh1 Qxh1+ 43. Kxh1 Bc1 44. b3 Bb2 45. c4 Kg6 46. Kg2 Kf6 47. Kf2 Ke6 48. Ke2 Kd6 49. b4 Bc3 50. c5+ bxc5 51. bxc5+ Kxc5 52. Kf2 0-1

[Event "Niedersachsen-ch U18"]
[Site "Frenswegen"]
[Date "2001.04.??"]
[Round "4"]
[White "Saide, Samer"]
[Black "Koch, Marvin"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "1670"]
[BlackElo "1388"]
[PlyCount "53"]
[EventDate "2001.04.??"]
[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 f5 2. c4 Nf6 3. Nc3 e6 4. Bf4 c6 5. Nf3 d5 6. e3 Be7 7. Be2 0-0 8. 0-0 Ne4 9. Rc1 Nd7 10. cxd5 exd5 11. h3 h6 12. Ne5 Nxe5 13. Bxe5 Bf6 14. b4 Bxe5 15. dxe5 Re8 16. Qd4 Qb6 17. a4 Qxd4 18. exd4 Nxc3 19. Rxc3 Re6 20. Rfc1 Bd7 21. b5 Rc8 22. a5 Ree8 23. a6 cxb5 24. axb7 Rb8 25. Rc7 Be6 26. Bxb5 Red8 27. Ba6 1-0

[Event "Bezirk2-ch U16/18"]
[Site "Germany"]
[Date "2001.??.??"]
[Round "1"]
[White "Alker, Dennis"]
[Black "Koch, Marvin"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "78"]
[EventDate "2001.10.??"]
[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 f5 3. Nc3 d6 4. d4 fxe4 5. Nxe4 Nf6 6. Bg5 Be7 7. Nxf6+ Bxf6 8. Bxf6 Qxf6 9. dxe5 dxe5 10. Bc4 Be6 11. Bxe6 Qxe6 12. 0-0 0-0 13. Re1 Nc6 14. Re4 Rf4 15. Qd3 Rxe4 16. Qxe4 h6 17. b3 Rf8 18. Re1 Qf6 19. Re2 Rd8 20. h3 Qf4 21. Qxf4 exf4 22. Re4 g5 23. h4 Rd1+ 24. Re1 Rxe1+ 25. Nxe1 Kf7 26. Nf3 g4 27. Nh2 h5 28. g3 fxg3 29. fxg3 Nb4 30. Nf1 Nxc2 31. Nd2 b5 32. Ne4 Ke6 33. Kf2 Ke5 34. Nc3 a6 35. Ke2 Kd4 36. Kd2 Ne3 37. Ne2+ Ke4 38. Nf4 Nf1+ 39. Ke2 Nxg3+ 0-1

[Event "Bezirk2-ch U16/18"]
[Site "Germany"]
[Date "2001.??.??"]
[Round "3"]
[White "Boos, Paul"]
[Black "Koch, Marvin"]
[Result "0-1"]
[ECO "A42"]
[PlyCount "86"]
[EventDate "2001.10.??"]
[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 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nc6 5. Be3 e5 6. d5 Nce7 7. Nf3 f5 8. Bd3 Nf6 9. 0-0 0-0 10. Qb3 f4 11. Bd2 h6 12. c5 Nd7 13. cxd6 cxd6 14. Na4 a6 15. Bb4 Nf6 16. Nxe5 Nxe4 17. Nxg6 Nxg6 18. Bxe4 Nh4 19. Qa3 Qg5 20. Bxd6 f3 21. Bg3 fxg2 22. Rfd1 Bg4 23. Rd3 Be5 24. Bxe5 Qxe5 25. Re3 Qf4 26. Bh7+ Kxh7 27. Qe7+ Rf7 28. Qxh4 Qxa4 29. h3 Bd7 30. Qh5 Raf8 31. d6 Qf4 32. Re2 Qxd6 33. Kxg2 Bc6+ 34. Kg1 Bf3 35. Qe5 Qg6+ 36. Qg3 Qxg3+ 37. fxg3 Bxe2 38. Re1 Rf1+ 39. Rxf1 Rxf1+ 40. Kg2 Rf7 41. g4 Kg6 42. Kg3 b5 43. b4 Rf3+ 0-1

[Event "Bezirk2-ch U16/18"]
[Site "Germany"]
[Date "2001.??.??"]
[Round "2"]
[White "Koch, Marvin"]
[Black "Heese, Dennis"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "101"]
[EventDate "2001.10.??"]
[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 d6 2. d4 Nc6 3. f4 g6 4. d5 Nb8 5. Nf3 Nd7 6. Be3 Bg7 7. Qc1 Ngf6 8. Bd3 c6 9. dxc6 bxc6 10. c3 Ng4 11. h3 Nxe3 12. Qxe3 Qb6 13. Qxb6 axb6 14. 0-0 Nc5 15. Bc2 0-0 16. Nbd2 d5 17. exd5 cxd5 18. Nb3 Ba6 19. Rfe1 e6 20. Nbd4 Bd3 21. g3 Bxc2 22. Nxc2 Nd3 23. Reb1 e5 24. fxe5 Nxe5 25. Nxe5 Bxe5 26. Kg2 Rfe8 27. Re1 Bg7 28. a3 Rxe1 29. Rxe1 Rd8 30. Rd1 Kf8 31. Nb4 d4 32. Nc6 Rd6 33. Nxd4 Bxd4 34. Rxd4 Rxd4 35. cxd4 Ke7 36. Kf3 f5 37. Kf4 Kf6 38. a4 g5+ 39. Ke3 h5 40. b4 Ke6 41. a5 bxa5 42. bxa5 Kd6 43. a6 Kc7 44. d5 h4 45. gxh4 g4 46. hxg4 fxg4 47. Kf4 Kb6 48. d6 Kxa6 49. d7 Kb5 50. d8Q Kc4 51. Kxg4 1-0

[Event "Bezirk2-ch U16/18"]
[Site "Germany"]
[Date "2001.??.??"]
[Round "4"]
[White "Koch, Marvin"]
[Black "Illichmann, Dennis"]
[Result "1/2-1/2"]
[ECO "C54"]
[PlyCount "84"]
[EventDate "2001.10.??"]
[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. Bc4 Bc5 3. Nf3 Nc6 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. Qb3 Nce7 11. 0-0 0-0 12. Rfe1 c6 13. a4 Re8 14. Bxd5 Nxd5 15. Rxe8+ Qxe8 16. Re1 Qd8 17. Ne4 Qc7 18. Nc5 Nf6 19. Ne5 b6 20. Ne4 Nxe4 21. Rxe4 Be6 22. Qc3 Bd5 23. Re3 Re8 24. Ng4 Rxe3 25. Nxe3 Qd6 26. b4 h6 27. h3 a6 28. a5 b5 29. Qc5 Qxc5 30. dxc5 Be6 31. Kf1 Kf8 32. Ke2 Ke7 33. Kd3 f5 34. Nc2 Kf6 35. f4 g5 36. Ke3 g4 37. h4 h5 38. g3 Bd5 39. Ne1 Be4 40. Nd3 Bxd3 41. Kxd3 Ke6 42. Kd4 Kf6 1/2-1/2

[Event "Bezirk2-ch U16/18"]
[Site "Germany"]
[Date "2001.??.??"]
[Round "6"]
[White "Koch, Marvin"]
[Black "Pliefke, Arne"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "39"]
[EventDate "2001.10.??"]
[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. Bc4 Nf6 3. Nf3 Bc5 4. Nxe5 0-0 5. d3 h6 6. h3 d6 7. Nf3 Nc6 8. Nc3 Be6 9. Bxe6 fxe6 10. 0-0 Nd4 11. Nxd4 Bxd4 12. Ne2 Bb6 13. c3 d5 14. e5 Nd7 15. d4 c5 16. Nf4 Qe8 17. Qg4 cxd4 18. cxd4 Bxd4 19. Nxe6 Nxe5 20. Qxg7# 1-0

[Event "Bezirk2-ch U16/18"]
[Site "Germany"]
[Date "2001.??.??"]
[Round "5"]
[White "Lieb, Alexander"]
[Black "Koch, Marvin"]
[Result "0-1"]
[ECO "A25"]
[PlyCount "62"]
[EventDate "2001.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. e3 e5 5. Ne2 Nc6 6. d4 exd4 7. exd4 Bd7 8. 0-0 Nge7 9. Nbc3 0-0 10. Be3 Re8 11. Qd2 Nf5 12. a3 a5 13. Nd5 a4 14. Rfd1 Na5 15. Qc3 c6 16. Ndf4 Qe7 17. Rd3 Be6 18. Nxe6 Qxe6 19. d5 Bxc3 20. dxe6 Bxb2 21. exf7+ Kxf7 22. Ra2 Nxc4 23. Bf3 Bf6 24. Bc1 Ne5 25. Rc3 Nxf3+ 26. Rxf3 h5 27. Kf1 Re4 28. Bb2 Rae8 29. Bxf6 Kxf6 30. Nc3 Rc4 31. Rd2 d5 0-1

[Event "Bezirk2-ch U16/18"]
[Site "Germany"]
[Date "2001.??.??"]
[Round "7"]
[White "Schubert, Christian3"]
[Black "Koch, Marvin"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2295"]
[PlyCount "37"]
[EventDate "2001.10.??"]
[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 g6 2. Nf3 Bg7 3. e3 d6 4. b3 Nd7 5. Bb2 Ngf6 6. Nbd2 0-0 7. c4 Re8 8. Be2 e5 9. dxe5 Nxe5 10. Nxe5 dxe5 11. 0-0 c6 12. Nf3 Qc7 13. h3 Nd7 14. Qc2 f5 15. e4 Nc5 16. exf5 Bxf5 17. Qc1 Rad8 18. Qe3 b6 19. Rad1 1/2-1/2

[Event "BEM-ch U18"]
[Site "Lehre"]
[Date "2000.10.03"]
[Round "7"]
[White "Koch, Marvin"]
[Black "Cohrs, Christian"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1305"]
[BlackElo "1356"]
[PlyCount "82"]
[EventDate "2000.09.30"]
[EventType "tourn"]
[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. Bc4 Bc5 3. Nf3 Nc6 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d6 9. h3 0-0 10. 0-0 d5 11. exd5 Nxd5 12. Re1 Nf6 13. Nb3 Bf5 14. a3 Re8 15. Rxe8+ Qxe8 16. Qe1 Ne4 17. d5 Ne7 18. Nbd2 Nd6 19. Ba2 Qd7 20. Ne5 Qd8 21. Rc1 Ne8 22. g4 Bg6 23. Nxg6 hxg6 24. Qe5 Rc8 25. Re1 Kf8 26. Nf3 Nf6 27. Rd1 Nc6 28. Qe2 Ne7 29. Qe5 Qd7 30. d6 Nc6 31. Qf4 Rd8 32. Qc4 cxd6 33. Rxd6 Qe8 34. Rxd8 Nxd8 35. Qc5+ Qe7 36. Qxa7 Qc7 37. Qe3 Qe7 38. Qxe7+ Kxe7 39. Nd2 Nc6 40. g5 Nd7 41. Bd5 Nde5 1/2-1/2

[Event "BEM-ch U18"]
[Site "Lehre"]
[Date "2000.10.02"]
[Round "5"]
[White "Koch, Marvin"]
[Black "Saide, Ayman"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1305"]
[BlackElo "1036"]
[PlyCount "73"]
[EventDate "2000.09.30"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. b3 g6 4. Bb2 Bg7 5. e3 Nc6 6. Be2 0-0 7. 0-0 Bd7 8. c4 dxc4 9. Bxc4 Bf5 10. Qc1 Nb4 11. Nd4 Nd3 12. Bxd3 Bxd3 13. Re1 Nd5 14. Nf3 Bxb2 15. Qxb2 Nb4 16. Na3 Nd5 17. Rac1 Be4 18. Ng5 Nb4 19. Nxe4 Nd3 20. Qc3 Nxe1 21. Rxe1 Qd5 22. Qc4 Qxc4 23. Nxc4 Rad8 24. d4 b6 25. b4 Rd5 26. Nc3 Rdd8 27. b5 Rc8 28. Ne5 f6 29. Nc6 Rfe8 30. Nxa7 Ra8 31. Nc6 Ra3 32. Rc1 e6 33. g4 h6 34. Nb4 e5 35. Ncd5 Kf7 36. Rxc7+ Ke6 37. Rc6+ 1-0

[Event "BEM-ch U18"]
[Site "Lehre"]
[Date "2000.10.02"]
[Round "6"]
[White "Saide, Samer"]
[Black "Koch, Marvin"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "1650"]
[BlackElo "1305"]
[PlyCount "162"]
[EventDate "2000.09.30"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Bf4 d5 5. e3 c6 6. Nf3 Be7 7. Be2 0-0 8. 0-0 Nbd7 9. h3 Ne4 10. Qc2 Ndf6 11. c5 h6 12. Ne5 Qe8 13. b4 g5 14. Bh2 Nxc3 15. Qxc3 Nd7 16. Qc1 Nxe5 17. Bxe5 Bd7 18. Qd2 Bf6 19. Bh2 e5 20. Bf3 e4 21. Be2 g4 22. hxg4 fxg4 23. a4 a6 24. b5 axb5 25. axb5 cxb5 26. Qb2 Ra6 27. Rab1 b6 28. Bxb5 Bxb5 29. Qxb5 Qxb5 30. Rxb5 bxc5 31. Rxc5 Rd8 32. Bg3 h5 33. Rb1 h4 34. Bf4 Be7 35. Rc7 Bd6 36. Bxd6 Raxd6 37. Rbb7 Rg6 38. Re7 Rg5 39. Rh7 h3 40. gxh3 gxh3+ 41. Kf1 Rc8 42. Rxh3 Rc1+ 43. Ke2 Rc2+ 44. Kd1 Rxf2 45. Rh1 Rgg2 46. Re1 Ra2 47. Rc7 Rgd2+ 48. Kc1 Rg2 49. Rb7 Rgc2+ 50. Kb1 Re2 51. Rc1 Ra8 52. Rc3 Rf8 53. Rb2 Rf1+ 54. Ka2 Rxb2+ 55. Kxb2 Rf2+ 56. Kb3 Kf7 57. Kb4 Ke6 58. Kc5 Rf8 59. Kb6 Rf3 60. Ra3 Kd6 61. Kb5 Rf5 62. Ra6+ Ke7 63. Kc5 Rf3 64. Kxd5 Rxe3 65. Re6+ Kd7 66. Re5 Re1 67. Rh5 Ke7 68. Ke5 Kf7 69. d5 e3 70. d6 e2 71. Rf5+ Kg6 72. Rf2 Rf1 73. Rxe2 Rf5+ 74. Ke6 Rf6+ 75. Kd7 Kg7 76. Kc7 Kf8 77. d7 Rf7 78. Kc8 Rxd7 79. Kxd7 Kg7 80. Ke7 Kg6 81. Re5 Kh6 1-0

[Event "BEM-ch U18"]
[Site "Lehre"]
[Date "2000.10.01"]
[Round "4"]
[White "Giesler, Jens"]
[Black "Koch, Marvin"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1305"]
[PlyCount "48"]
[EventDate "2000.09.30"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e3 e5 2. Nc3 d5 3. e4 d4 4. Nce2 Nf6 5. f4 Nc6 6. d3 exf4 7. Bxf4 Bg4 8. h3 Bxe2 9. Bxe2 Bb4+ 10. Bd2 Bd6 11. c3 Bg3+ 12. Kf1 dxc3 13. bxc3 0-0 14. Be1 Bxe1 15. Kxe1 Nd7 16. Nf3 Nde5 17. g4 Nxf3+ 18. Bxf3 Ne5 19. h4 Qxd3 20. Be2 Qxe4 21. Rf1 Rad8 22. Qb1 Nd3+ 23. Kd2 Nf4+ 24. Ke1 Qxe2# 0-1

[Event "BEM-ch U18"]
[Site "Lehre"]
[Date "2000.10.01"]
[Round "3"]
[White "Koch, Marvin"]
[Black "Dannehr, Kerstin"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1305"]
[BlackElo "1111"]
[PlyCount "57"]
[EventDate "2000.09.30"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 Be7 3. f4 Nf6 4. d3 d5 5. e5 Nfd7 6. d4 c5 7. c3 Nc6 8. Nf3 cxd4 9. cxd4 Nb6 10. b3 Bd7 11. Bd2 0-0 12. Qd1 Rc8 13. a3 f5 14. Bb5 a6 15. Bxc6 Bxc6 16. Ba5 Be8 17. 0-0 Rc6 18. Rf2 Qc8 19. Bxb6 Rxb6 20. Rc2 Rc6 21. Raa2 Rxc2 22. Rxc2 Bc6 23. Qc1 Qd7 24. b4 Rc8 25. Nc3 Qe8 26. Na4 Bd7 27. Rxc8 Qxc8 28. Qxc8+ Bxc8 29. Nb6 1-0

[Event "BEM-ch U18"]
[Site "Lehre"]
[Date "2000.09.30"]
[Round "2"]
[White "Atrissi, Ali"]
[Black "Koch, Marvin"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "957"]
[BlackElo "1305"]
[PlyCount "114"]
[EventDate "2000.09.30"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 d4 3. Nb5 a6 4. Na3 e5 5. Bc4 Nc6 6. d3 h6 7. c3 Bxa3 8. bxa3 dxc3 9. Qb3 Qe7 10. Qxc3 Be6 11. Rb1 b6 12. a4 Bxc4 13. dxc4 Qh4 14. Qc2 Nf6 15. Bb2 Qxe4+ 16. Qxe4 Nxe4 17. Nf3 f6 18. 0-0 0-0 19. Ba3 Rfd8 20. a5 bxa5 21. Rb7 Ra7 22. Rxa7 Nxa7 23. Nh4 Nd2 24. Rc1 Nxc4 25. Bc5 Nb6 26. h3 Rd7 27. Ng6 Nac8 28. Nf8 Rd5 29. Ng6 Nd7 30. Ba3 c5 31. Rb1 Kf7 32. Nh4 g5 33. Nf5 Kg6 34. Ne3 Rd2 35. Rd1 Rxd1+ 36. Nxd1 c4 37. Bb2 Ncb6 38. Bc3 a4 39. Ne3 f5 40. g3 h5 41. f3 f4 42. gxf4 exf4 43. Nc2 Nd5 44. Be1 Ne5 45. Kg2 Ne3+ 46. Nxe3 fxe3 47. h4 gxh4 48. Bxh4 c3 49. f4 c2 50. fxe5 c1Q 51. e6 e2 52. e7 e1N+ 53. Kh3 Qe3+ 54. Bg3 Qxe7 55. a3 Qe6+ 56. Kh2 Qe2+ 57. Kh3 Qg2+ 0-1

[Event "BEM-ch U18"]
[Site "Lehre"]
[Date "2000.09.30"]
[Round "1"]
[White "Lieb, Alexander"]
[Black "Koch, Marvin"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1283"]
[BlackElo "1305"]
[PlyCount "34"]
[EventDate "2000.09.30"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 b6 3. c4 Bb7 4. Nc3 Bb4 5. Bd3 Ne7 6. Nge2 0-0 7. a3 Bxc3+ 8. Nxc3 d6 9. d5 e5 10. 0-0 Ng6 11. f4 exf4 12. Bxf4 Nd7 13. b4 Qf6 14. Ne2 Nxf4 15. Rxf4 Qe7 16. Qc2 Nf6 17. Raf1 Nh5 1/2-1/2

[Event "Niedersachsen-ch U16"]
[Site "Frenswegen"]
[Date "2000.??.??"]
[Round "5"]
[White "Conrad, Matthias"]
[Black "Koch, Marvin"]
[Result "1/2-1/2"]
[ECO "E12"]
[PlyCount "50"]
[EventDate "2000.04.??"]
[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 Nf6 2. Nf3 e6 3. c4 b6 4. Bg5 Bb4+ 5. Nbd2 Bb7 6. Ne5 h6 7. a3 Bxd2+ 8. Bxd2 0-0 9. e3 d6 10. Nf3 Nbd7 11. Bc3 Ne4 12. Qc2 Ndf6 13. Bd3 Re8 14. 0-0 c5 15. Nd2 Nxd2 16. Bxd2 Qc7 17. Rae1 Rac8 18. b3 d5 19. f3 cxd4 20. exd4 Ba6 21. Rc1 dxc4 22. bxc4 Qd6 23. Be3 Bb7 24. Qa4 Bc6 25. Qb4 Qxb4 1/2-1/2

[Event "Niedersachsen-ch U16"]
[Site "Frenswegen"]
[Date "2000.??.??"]
[Round "6"]
[White "Koch, Marvin"]
[Black "Fischer, Steffen"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "105"]
[EventDate "2000.04.??"]
[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. Bc4 Bc5 3. Nf3 Nc6 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 Nb6 12. Qc3 Nxc4 13. Nxc4 Be6 14. Rfe1 Qd5 15. Ne3 Qd6 16. a3 Rfe8 17. Rad1 Bd5 18. Nxd5 Qxd5 19. Ne5 Rad8 20. Nxc6 Qxc6 21. Qxc6 bxc6 22. Re3 Kf8 23. Kf1 c5 24. Red3 cxd4 25. Rxd4 Rxd4 26. Rxd4 Re6 27. Rc4 Re7 28. Rb4 c6 29. Rb8+ Re8 30. Rb7 Re7 31. Rb8+ Re8 32. Rxe8+ Kxe8 33. Ke2 Ke7 34. Kd3 Ke6 35. Kc4 Kd6 36. b4 Kd7 37. Kc5 Kc7 38. a4 Kd7 39. a5 Kc7 40. f4 Kd7 41. g4 Kc7 42. h4 Kd7 43. f5 f6 44. g5 Kc7 45. gxf6 gxf6 46. b5 cxb5 47. Kxb5 Kb7 48. Kc5 Kc7 49. Kd5 Kd7 50. h5 h6 51. a6 Ke7 52. Kc6 Kd8 53. Kd6 1-0

[Event "Niedersachsen-ch U16"]
[Site "Frenswegen"]
[Date "2000.??.??"]
[Round "2"]
[White "Koch, Marvin"]
[Black "Hartje, Rainer Michael"]
[Result "1/2-1/2"]
[ECO "C57"]
[PlyCount "109"]
[EventDate "2000.04.??"]
[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. Bc4 Nf6 3. Nf3 Nc6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke7 8. Bxd5 Nd4 9. Qf7+ Kd6 10. Na3 Ne6 11. Bxe6 Bxe6 12. Nb5+ Kc6 13. Qxe6+ Kxb5 14. Qxe5+ Bc5 15. a4+ Kb6 16. 0-0 Qh4 17. Qg3 Qh5 18. a5+ Kc6 19. Qf3+ Qxf3 20. gxf3 Rhf8 21. Kg2 Rae8 22. c3 Re6 23. d4 Bd6 24. Rg1 Rg6+ 25. Kf1 Rxg1+ 26. Kxg1 Rxf3 27. Kg2 Rf5 28. Be3 a6 29. b4 Kb5 30. Bd2 Bf4 31. Bxf4 Rxf4 32. Re1 Rf7 33. Kg3 Kc4 34. Re3 c6 35. f4 Kd5 36. Kg4 Kc4 37. f5 Kb3 38. Kg5 Kc4 39. h4 Kd5 40. h5 Kc4 41. Rf3 Kd5 42. Rf4 Rf6 43. Kg4 Kc4 44. Rf3 Kd5 45. Re3 Rf7 46. Kg5 Kc4 47. Re6 Kxc3 48. f6 gxf6+ 49. Rxf6 Rd7 50. Kh6 Kxb4 51. Rf5 Kc4 52. Rg5 Kxd4 53. Rg7 Rd6+ 54. Kxh7 c5 55. Rg6 1/2-1/2

[Event "Niedersachsen-ch U16"]
[Site "Frenswegen"]
[Date "2000.??.??"]
[Round "4"]
[White "Koch, Marvin"]
[Black "Hemken, Oliver"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "53"]
[EventDate "2000.04.??"]
[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. Bc4 Bc5 3. Nf3 Nc6 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. d5 Ne7 10. bxc3 d6 11. Bb2 0-0 12. Qc2 Nf6 13. Qd2 Bg4 14. Ne1 Re8 15. Bb5 Bd7 16. Bxd7 Qxd7 17. c4 Ne4 18. Qd3 Ng6 19. Nf3 Qg4 20. Qc2 Nf4 21. Nh4 Qxh4 22. g3 Qg5 23. Kh1 Qf5 24. Qc1 Nxf2+ 25. Rxf2 Qe4+ 26. Kg1 Nh3+ 27. Kf1 0-1

[Event "Niedersachsen-ch U16"]
[Site "Frenswegen"]
[Date "2000.??.??"]
[Round "7"]
[White "Koch, Marvin"]
[Black "Schulte Wuelwer, Thomas"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "71"]
[EventDate "2000.04.??"]
[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 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nc3 e6 6. Nf3 c5 7. Be3 cxd4 8. Bxd4 Nc6 9. a3 Nxd4 10. Nxd4 Be7 11. Nf3 0-0 12. Be2 Bd7 13. b4 Bf6 14. Rc1 Bc6 15. 0-0 Qe7 16. Qc2 Bxf3 17. Bxf3 Nxc4 18. Ne4 Rac8 19. Nxf6+ Qxf6 20. Bxb7 Rb8 21. Qxc4 Rxb7 22. Rfd1 Rd8 23. Qc8 Rb8 24. Rxd8+ Qxd8 25. Qxd8+ Rxd8 26. Kf1 Kf8 27. Rc7 a6 28. Rc6 Ra8 29. Ke2 Ke8 30. Kd3 Kd7 31. Rc5 Kd6 32. f4 f6 33. Kd4 g6 34. g4 h6 35. h4 Rb8 36. Ra5 1/2-1/2

[Event "Niedersachsen-ch U16"]
[Site "Frenswegen"]
[Date "2000.??.??"]
[Round "3"]
[White "Stotyn, Fabian"]
[Black "Koch, Marvin"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "59"]
[EventDate "2000.04.??"]
[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 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. d4 Bg4 5. Be2 e6 6. 0-0 Nc6 7. b3 Be7 8. Bb2 0-0 9. Nbd2 Nf6 10. c3 a6 11. h3 Bh5 12. Re1 Re8 13. Qc2 Nd5 14. Bd3 Nf6 15. Rac1 Bd6 16. Ne5 Ne7 17. Ndc4 b6 18. Ba1 c6 19. Nd2 Qc7 20. Ndf3 Bxf3 21. Nxf3 g6 22. c4 Bf4 23. Rcd1 Nd7 24. Qc3 Bh6 25. d5 Kf8 26. dxe6 Nc5 27. exf7 Kxf7 28. Qf6+ Kg8 29. Qh8+ Kf7 30. Qxh7+ 1-0

[Event "Niedersachsen-ch U16"]
[Site "Frenswegen"]
[Date "2000.??.??"]
[Round "1"]
[White "Wiegmann, Sascha"]
[Black "Koch, Marvin"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "99"]
[EventDate "2000.04.??"]
[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 d5 2. exd5 Nf6 3. c4 c6 4. dxc6 Nxc6 5. Nc3 e5 6. Be2 Bf5 7. a3 Nd4 8. Qa4+ Qd7 9. Bd1 Qxa4 10. Bxa4+ Bd7 11. Nge2 Bxa4 12. Nxd4 exd4 13. Nxa4 Be7 14. 0-0 0-0 15. b3 Rad8 16. Nb2 d3 17. Nd1 Rfe8 18. Nc3 b6 19. Bb2 Rd7 20. Rae1 Kf8 21. Ne4 Nxe4 22. Rxe4 g6 23. Rfe1 Rdd8 24. Kf1 f5 25. Re6 Bg5 26. Rxe8+ Rxe8 27. Rxe8+ Kxe8 28. Bc3 Kd7 29. g3 f4 30. Kg2 Ke6 31. Kf3 fxg3 32. hxg3 h5 33. Ke4 h4 34. gxh4 Bxh4 35. f3 g5 36. Kxd3 Kf5 37. Ke3 Bg3 38. d4 Bf4+ 39. Kd3 Bc1 40. a4 Kf4 41. Ke2 Be3 42. Bb2 Bg1 43. Bc1+ Kf5 44. Be3 Bh2 45. b4 Bd6 46. c5 Bc7 47. Kd3 bxc5 48. dxc5 a6 49. b5 axb5 50. axb5 1-0

[Event "BEM-ch U14/16"]
[Site "Gifhorn"]
[Date "1999.??.??"]
[Round "1"]
[White "Alker, Dennis"]
[Black "Koch, Marvin"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "52"]
[EventDate "1999.??.??"]
[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. d4 exd4 6. Nd5 Nxd5 7. exd5 Qe7+ 8. Be2 Bb4+ 9. c3 dxc3 10. bxc3 Bxc3+ 11. Bd2 Bxa1 12. Qxa1 0-0 13. dxc6 Re8 14. Be3 dxc6 15. Nd4 f5 16. Nxf5 Bxf5 17. 0-0 Rad8 18. Bc4+ Kh8 19. Re1 Qh4 20. Rf1 Qxc4 21. Bc1 Re2 22. Be3 a6 23. Bf4 Qxf4 24. g3 Qf3 25. a4 Bh3 26. Qf6 Qg2# 0-1

[Event "BEM-ch U14/16"]
[Site "Gifhorn"]
[Date "1999.??.??"]
[Round "3"]
[White "Buhr, Henning"]
[Black "Koch, Marvin"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "76"]
[EventDate "1999.??.??"]
[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. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bg4 7. h3 Bh5 8. Nbd2 Nxd2 9. Bxd2 c6 10. c3 Be7 11. 0-0 0-0 12. Re1 Re8 13. Be3 Bd6 14. Be2 Nd7 15. Qb3 Qb6 16. c4 Qxb3 17. axb3 Nf6 18. c5 Bc7 19. b4 a6 20. b3 Ne4 21. Rac1 h6 22. Kh1 f5 23. Ng1 Bxe2 24. Nxe2 Rf8 25. f3 Ng3+ 26. Kg1 Rae8 27. Rc3 Nxe2+ 28. Rxe2 f4 29. Kf2 fxe3+ 30. Rexe3 Bf4 31. Rxe8 Rxe8 32. g3 Bd2 33. Rd3 Bxb4 34. f4 Kf7 35. g4 g6 36. Kf3 Kf6 37. Re3 Rxe3+ 38. Kxe3 Ba5 0-1

[Event "BEM-ch U14/16"]
[Site "Gifhorn"]
[Date "1999.??.??"]
[Round "7"]
[White "Cohrs, Christian"]
[Black "Koch, Marvin"]
[Result "0-1"]
[ECO "C49"]
[PlyCount "92"]
[EventDate "1999.??.??"]
[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. Bb5 Nd4 5. d3 Bb4 6. Bd2 Bxc3 7. Nxd4 Bxd4 8. c3 Bb6 9. 0-0 h6 10. Kh1 0-0 11. f4 d6 12. f5 Bd7 13. Bc4 Qe8 14. Qc1 Kh7 15. Rf3 Rh8 16. Rg3 Qe7 17. Bxh6 gxh6 18. Rh3 Ng4 19. Rf3 Nf2+ 20. Rxf2 Bxf2 21. Qd2 Bb6 22. Rf1 Qg5 23. Qe2 Qe3 24. Qh5 Be8 25. Bxf7 Qg5 26. Bxe8 Raxe8 27. Qf7+ Qg7 28. Qh5 Rhg8 29. g3 Ref8 30. Qf3 Qg4 31. Qxg4 Rxg4 32. Kg2 Rg5 33. h4 Rg4 34. Kh3 h5 35. c4 Bd4 36. b3 c6 37. a4 a5 38. Rb1 Rfg8 39. b4 Rxg3+ 40. Kh2 Bg1+ 41. Rxg1 Rxg1 42. bxa5 Ra1 43. f6 Rxa4 44. f7 Rf8 45. Kg3 Rxf7 46. a6 bxa6 0-1

[Event "BEM-ch U14/16"]
[Site "Gifhorn"]
[Date "1999.??.??"]
[Round "2"]
[White "Koch, Marvin"]
[Black "Atrissi, Ali"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "58"]
[EventDate "1999.??.??"]
[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. Bc4 Nf6 3. Nf3 d6 4. Nc3 Nc6 5. d3 Bg4 6. h3 Bh5 7. g4 Bg6 8. Nh4 Be7 9. Nxg6 hxg6 10. f4 Nd7 11. Be3 Bh4+ 12. Ke2 exf4 13. Bxf4 Nd4+ 14. Kd2 Bg5 15. Qf1 Ne5 16. Bxg5 Qxg5+ 17. Kd1 Nef3 18. Qf2 c6 19. Nb1 Ne5 20. Nd2 Ne6 21. Bxe6 fxe6 22. Rf1 0-0-0 23. Qxa7 Rxh3 24. Qa8+ Kc7 25. Qa5+ Kb8 26. Kc1 Rh2 27. b3 Nxd3+ 28. cxd3 Qxa5 29. Nc4 Qc3+ 0-1

[Event "BEM-ch U14/16"]
[Site "Gifhorn"]
[Date "1999.??.??"]
[Round "5"]
[White "Koch, Marvin"]
[Black "Jakobeit, David"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "43"]
[EventDate "1999.??.??"]
[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 b6 2. d4 Bb7 3. Bd3 e6 4. Nc3 d6 5. Qe2 Nd7 6. Be3 Be7 7. Nf3 a6 8. a3 b5 9. 0-0 h6 10. Nd2 c5 11. dxc5 dxc5 12. Qd1 Bf6 13. Nf3 c4 14. Be2 Bxc3 15. bxc3 Bxe4 16. Nd2 Bb7 17. Bf3 Bxf3 18. Qxf3 Ngf6 19. Qg3 g5 20. Bd4 Rg8 21. Rfe1 h5 22. Rad1 1/2-1/2

[Event "BEM-ch U14/16"]
[Site "Gifhorn"]
[Date "1999.??.??"]
[Round "6"]
[White "Koch, Marvin"]
[Black "Schroeder, Janet"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "93"]
[EventDate "1999.??.??"]
[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 c5 2. b3 e6 3. Bb2 d5 4. Bb5+ Bd7 5. Bxd7+ Nxd7 6. exd5 exd5 7. Qe2+ Qe7 8. Qxe7+ Bxe7 9. Bxg7 Bf6 10. Bxh8 Bxh8 11. c3 b5 12. a3 d4 13. cxd4 Bxd4 14. Ra2 0-0-0 15. d3 Ne5 16. Rd2 Re8 17. Kf1 Ne7 18. Ne2 Rd8 19. Nxd4 Rxd4 20. Ke2 Nd5 21. g3 a5 22. Rc1 Nd7 23. Nc3 Nxc3+ 24. Rxc3 Kb7 25. Rc1 Kc6 26. f4 h5 27. Ke3 Nf6 28. h3 Nd5+ 29. Kf3 Nb6 30. Ke2 f5 31. Rdc2 Nd7 32. Kd2 Kd5 33. Re1 Nb6 34. Re5+ Kd6 35. Ke3 Rd5 36. Rxd5+ Kxd5 37. Rc1 c4 38. dxc4+ bxc4 39. Rc3 Kc5 40. bxc4 Nd7 41. Kf3 Nf6 42. Re3 Nd7 43. Re7 Nb6 44. Re5+ Kxc4 45. Rxa5 Kd4 46. Rxf5 Nc4 47. Rxh5 1-0

[Event "BEM-ch U14/16"]
[Site "Gifhorn"]
[Date "1999.??.??"]
[Round "4"]
[White "Saide, Ayman"]
[Black "Koch, Marvin"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "110"]
[EventDate "1999.??.??"]
[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 Nf6 2. c4 e6 3. e3 d5 4. Nc3 Nc6 5. b3 Bb4 6. Bb2 Ne4 7. Qd3 Qh4 8. g3 Qf6 9. f4 Bd7 10. Nf3 h6 11. Be2 Ne7 12. 0-0 Bxc3 13. Bxc3 a6 14. c5 Bb5 15. Qc2 Bxe2 16. Qxe2 Nxc3 17. Qc2 Ne4 18. b4 0-0 19. a4 Nf5 20. Qc3 Qg6 21. Ne5 Qh7 22. a5 Rfd8 23. Rfb1 f6 24. Ng4 Qg6 25. Nf2 Nexg3 26. hxg3 Qxg3+ 27. Kf1 Qxe3 28. Qxe3 Nxe3+ 29. Kg1 c6 30. Ra2 Nf5 31. Rd2 Kf7 32. Rb3 Rg8 33. Nh3 g5 34. fxg5 hxg5 35. Rbd3 Rg6 36. Rg2 Rh8 37. Nf2 Rh4 38. Ng4 Nh6 39. Nxh6+ Rgxh6 40. Kf2 Rf4+ 41. Kg1 Rhh4 42. Rgg3 Rxd4 43. Rxd4 Rxd4 44. Rh3 Kg7 45. Re3 e5 46. Rb3 Rc4 47. Kf2 e4 48. Ke2 d4 49. Kd2 f5 50. Ke2 g4 51. Rg3 Rxb4 52. Kd2 Rb5 53. Re3 Rb2+ 54. Kc1 dxe3 55. Kd1 g3 0-1

[Event "BEM-ch U16/18"]
[Site "Salzgitter Lebenstedt"]
[Date "1998.??.??"]
[Round "6"]
[White "Cohrs, Henning"]
[Black "Koch, Marvin"]
[Result "1-0"]
[ECO "D06"]
[PlyCount "25"]
[EventDate "1998.??.??"]
[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. Nf3 Nf6 3. e3 Bf5 4. c4 e6 5. Qb3 b6 6. Nc3 a5 7. cxd5 exd5 8. Ne5 Bb4 9. Bb5+ Nbd7 10. Nc6 Qc8 11. Nxb4 axb4 12. Qxb4 c6 13. Be2 1-0

[Event "BEM-ch U16/18"]
[Site "Salzgitter Lebenstedt"]
[Date "1998.??.??"]
[Round "2"]
[White "Cordes, Lennart"]
[Black "Koch, Marvin"]
[Result "0-1"]
[ECO "D66"]
[PlyCount "68"]
[EventDate "1998.??.??"]
[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 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. e3 Nbd7 7. Bd3 dxc4 8. Bxc4 Nb6 9. Bd3 h6 10. Bh4 Nfd5 11. Bxe7 Qxe7 12. Rc1 c6 13. 0-0 Nd7 14. a3 e5 15. Nxd5 cxd5 16. dxe5 Nxe5 17. Be2 Rd8 18. Qb3 b6 19. Rfd1 Bb7 20. Rd2 Rd6 21. Rdc2 Rb8 22. Nd4 Qf6 23. Nb5 Rc6 24. Nxa7 Rxc2 25. Rxc2 Qg6 26. f3 Nxf3+ 27. Bxf3 d4 28. exd4 Bxf3 29. Qxf3 Qxc2 30. Qc3 Qd1+ 31. Kf2 Re8 32. Kg3 Qe2 33. Qc6 Re3+ 34. Kf4 g5+ 0-1

[Event "BEM-ch U16/18"]
[Site "Salzgitter Lebenstedt"]
[Date "1998.??.??"]
[Round "4"]
[White "Gerke, Florian"]
[Black "Koch, Marvin"]
[Result "1/2-1/2"]
[ECO "C48"]
[PlyCount "56"]
[EventDate "1998.??.??"]
[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. Bb5 Bc5 5. 0-0 d6 6. Bxc6+ bxc6 7. h3 0-0 8. Re1 Re8 9. d4 exd4 10. Nxd4 Bxd4 11. Qxd4 c5 12. Qd3 c6 13. Bg5 Bb7 14. Rad1 Re6 15. e5 h6 16. exf6 Rxe1+ 17. Rxe1 hxg5 18. fxg7 Kxg7 19. Rd1 d5 20. Qg3 Qf6 21. Qc7 Bc8 22. Re1 Bf5 23. Re2 Rh8 24. Qe5 g4 25. Qxf6+ Kxf6 26. hxg4 Bxg4 27. f3 Be6 28. Na4 c4 1/2-1/2

[Event "BEM-ch U16/18"]
[Site "Salzgitter Lebenstedt"]
[Date "1998.??.??"]
[Round "1"]
[White "Koch, Marvin"]
[Black "Balzerowski, Roland"]
[Result "1-0"]
[ECO "C57"]
[PlyCount "39"]
[EventDate "1998.??.??"]
[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. Bc4 Nf6 3. Nf3 Nc6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8. Nc3 Nce7 9. 0-0 c6 10. Re1 g6 11. d4 Bg7 12. dxe5 Rf8 13. Qg3 Nf5 14. Qg4 h6 15. Qxg6+ Ke7 16. Bd2 Rf7 17. Nxd5+ cxd5 18. Bb4+ Ke8 19. e6 dxc4 20. Qxf7# 1-0

[Event "BEM-ch U16/18"]
[Site "Salzgitter Lebenstedt"]
[Date "1998.??.??"]
[Round "7"]
[White "Koch, Marvin"]
[Black "Boos, Paul"]
[Result "1/2-1/2"]
[ECO "C02"]
[PlyCount "6"]
[EventDate "1998.??.??"]
[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 e6 2. d4 d5 3. e5 c5 1/2-1/2

[Event "BEM-ch U16/18"]
[Site "Salzgitter Lebenstedt"]
[Date "1998.??.??"]
[Round "3"]
[White "Koch, Marvin"]
[Black "Warnecke, Carsten"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "78"]
[EventDate "1998.??.??"]
[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. Bc4 Nc6 3. Nf3 Be7 4. Nc3 Nf6 5. d3 d6 6. Be3 Bg4 7. h3 Bh5 8. Qe2 Qd7 9. 0-0-0 0-0-0 10. Nd5 Nxd5 11. Bxd5 Kb8 12. Kb1 Rhf8 13. g4 Bg6 14. Rhf1 h6 15. Nd2 Nb4 16. Bb3 d5 17. a3 d4 18. Nc4 Nc6 19. Bd2 b5 20. Na5 Nxa5 21. Bxa5 Bg5 22. Qe1 Rc8 23. f3 f6 24. h4 Bf4 25. h5 Be8 26. c3 dxc3 27. Bxc3 c5 28. Ba5 Bf7 29. Bxf7 Rxf7 30. Qc3 Qe6 31. b3 Rb7 32. b4 cxb4 33. Qxb4 Qc6 34. Qb2 Be3 35. Rfe1 Bd4 36. Qd2 b4 37. Bxb4 Bc3 38. Qc2 Bxb4 39. Qxc6 Bxe1+ 0-1

[Event "BEM-ch U16/18"]
[Site "Salzgitter Lebenstedt"]
[Date "1998.??.??"]
[Round "5"]
[White "Koch, Marvin"]
[Black "Warnecke, Werner"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "52"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 f6 3. a3 d5 4. e3 Bd6 5. c4 c6 6. d3 Ne7 7. c5 Bc7 8. Qb3 Be6 9. Nc3 Bf7 10. Qc2 0-0 11. Nf3 Nd7 12. Be2 Re8 13. 0-0 Nf8 14. Nb1 Ne6 15. Rd1 Qb8 16. Nbd2 a6 17. Bc3 Rd8 18. Bb2 Rd7 19. Nb3 Qa7 20. Rd2 Rad8 21. Rad1 Qb8 22. h3 Kh8 23. Kf1 Qc8 24. Qb1 Qb8 25. Qc2 Re8 26. Qb1 Bd8 1/2-1/2

