[Event "GER-chT U20"]
[Site "Arendsee"]
[Date "2008.12.30"]
[Round "7.2"]
[White "Heyden, Jonas"]
[Black "Knickel, Aaron"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2027"]
[BlackElo "2085"]
[PlyCount "86"]
[EventDate "2008.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]
[WhiteTeam "Brackel"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. Bd3 Nd7 7. f4 c5 8. Nf3 Bb7 9. 0-0 Ngf6 10. dxc5 Nxc5 11. e5 Ng4 12. Bxc5 dxc5 13. Be4 Qb6 14. Bxb7 Qxb7 15. Qd5 Qc8 16. Rfe1 0-0 17. Ne4 c4 18. c3 Rd8 19. Qc5 Qb7 20. Nd4 Rac8 21. Qb4 Rd5 22. a4 Bf8 23. axb5 axb5 24. Qa5 b4 25. Qa7 Qxa7 26. Rxa7 bxc3 27. bxc3 Nh6 28. Ng3 Rdc5 29. Rb1 R5c7 30. Rbb7 Rxb7 31. Rxb7 Ng4 32. Nf1 e6 33. h3 Nh6 34. g4 Bc5 35. Rd7 Kf8 36. Ne3 Ke8 37. Rb7 Bxd4 38. cxd4 c3 39. Nc2 Ng8 40. f5 Ne7 41. fxe6 fxe6 42. Kf1 h5 43. Ke2 hxg4 1/2-1/2

[Event "GER-chT U20"]
[Site "Arendsee"]
[Date "2008.12.29"]
[Round "5.2"]
[White "Schaetz, Christopher"]
[Black "Heyden, Jonas"]
[Result "1/2-1/2"]
[ECO "C90"]
[WhiteElo "1888"]
[BlackElo "2027"]
[PlyCount "71"]
[EventDate "2008.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]
[WhiteTeam "Chemnitz USG"]
[BlackTeam "Brackel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6 6. d3 Bg4 7. c3 Be7 8. Re1 0-0 9. h3 Bh5 10. Nbd2 b5 11. Bb3 Na5 12. Bc2 c5 13. Nf1 Qc7 14. Ng3 Bg6 15. Nh4 d5 16. Nhf5 Nc6 17. Qf3 d4 18. cxd4 Nxd4 19. Nxd4 cxd4 20. Bb3 Bb4 21. Rd1 Rac8 22. Bg5 Qb6 23. Bxf6 Qxf6 24. Qxf6 gxf6 25. Rac1 Rfd8 26. Bd5 Bd6 27. Bb7 Rxc1 28. Rxc1 a5 29. Bd5 Kf8 30. Kf1 Ke7 31. Ke2 Rd7 32. Rc8 Rc7 33. Nf5+ Kd7 34. Nxd6 Kxd6 35. Rxc7 Kxc7 36. g4 1/2-1/2

[Event "GER-chT U20"]
[Site "Arendsee"]
[Date "2008.12.28"]
[Round "3.2"]
[White "Bracker, Arne"]
[Black "Heyden, Jonas"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "2162"]
[BlackElo "2027"]
[PlyCount "83"]
[EventDate "2008.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]
[WhiteTeam "Hamburger SK"]
[BlackTeam "Brackel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 Nf6 6. Nxf6+ Qxf6 7. Qe2 d6 8. d4 Bg4 9. dxe5 Bxf3 10. exf6+ Bxe2 11. fxg7 Bxg7 12. Bxe2 Nd4 13. Bd3 0-0 14. 0-0 Rae8 15. Be3 Nc6 16. c3 Ne5 17. Be2 a5 18. Rad1 Kh8 19. Rfe1 Re7 20. h3 Ref7 21. Bd3 Bf6 22. Be4 b6 23. Re2 Re7 24. Rde1 Rfe8 25. g3 Kg7 26. Bd5 Nd3 27. Rf1 Ne5 28. Kg2 Ng6 29. Bc6 Rb8 30. Rfe1 Ne5 31. Bd4 Kg6 32. Bxe5 Rxe5 33. f4 Rxe2+ 34. Rxe2 Kf7 35. Bf3 Rd8 36. Bd5+ Kg7 37. g4 h6 38. Kg3 Rd7 39. h4 Re7 40. Rxe7+ Bxe7 41. g5 hxg5 42. hxg5 1-0

[Event "GER-chT U20"]
[Site "Arendsee"]
[Date "2008.12.28"]
[Round "4.2"]
[White "Heyden, Jonas"]
[Black "Geshnizjani, Ramin Tobias"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2027"]
[BlackElo "2041"]
[PlyCount "70"]
[EventDate "2008.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]
[WhiteTeam "Brackel"]
[BlackTeam "Heilbronn"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. f3 e5 4. dxe5 Bc5 5. Nc3 Qb6 6. Na4 Qa5+ 7. c3 Bxg1 8. Rxg1 dxe4 9. f4 Nh6 10. b4 Qd5 11. Qxd5 cxd5 12. h3 Nf5 13. g4 Nh4 14. Kf2 g5 15. Kg3 Nf3 16. Bb5+ Nc6 17. Rd1 gxf4+ 18. Bxf4 Be6 19. Nc5 0-0-0 20. Bxc6 bxc6 21. Rab1 h5 22. g5 h4+ 23. Kf2 Rhg8 24. b5 cxb5 25. Rxb5 Nxg5 26. Bxg5 Rxg5 27. Rdb1 Rdg8 28. Na6 Rg2+ 29. Ke3 R2g3+ 30. Kd4 Rd3+ 31. Kc5 Rxc3+ 32. Kd6 Rd8+ 33. Ke7 Rd7+ 34. Ke8 Rd8+ 35. Ke7 Rd7+ 1/2-1/2

[Event "GER-chT U20"]
[Site "Arendsee"]
[Date "2008.12.27"]
[Round "2.2"]
[White "Dann, Matthias"]
[Black "Heyden, Jonas"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "2259"]
[BlackElo "2027"]
[PlyCount "73"]
[EventDate "2008.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]
[WhiteTeam "Schott Mainz"]
[BlackTeam "Brackel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bd6 6. d4 Bg4 7. dxe5 Bxf3 8. Qxf3 Bxe5 9. Nd2 Qf6 10. Qxf6 Nxf6 11. Nf3 Nd7 12. Nxe5 Nxe5 13. Bf4 f6 14. Rad1 Rf8 15. Bxe5 fxe5 16. f3 Ke7 17. Rd2 Rad8 18. Rfd1 Rxd2 19. Rxd2 Ke6 20. Kf2 c5 21. h4 c6 22. Ke3 Ke7 23. g3 g6 24. f4 Ke6 25. h5 b5 26. hxg6 hxg6 27. Rh2 a5 28. Rh6 Rg8 29. Kf3 c4 30. f5+ Kf6 31. Rxg6+ Rxg6 32. fxg6 Kxg6 33. Kg4 a4 34. c3 b4 35. a3 b3 36. Kh4 Kh6 37. g4 1-0

[Event "GER-chT U20"]
[Site "Arendsee"]
[Date "2008.12.27"]
[Round "1.2"]
[White "Heyden, Jonas"]
[Black "Frey, Alisa"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2027"]
[BlackElo "2041"]
[PlyCount "45"]
[EventDate "2008.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]
[WhiteTeam "Brackel"]
[BlackTeam "Walldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. c4 Nc6 3. Ne2 e6 4. Nbc3 a6 5. d4 cxd4 6. Nxd4 Bb4 7. Be3 Nf6 8. Bd3 Qc7 9. Nxc6 Qxc6 10. 0-0 Bxc3 11. bxc3 Nxe4 12. Qg4 Nf6 13. Qg3 b5 14. f3 0-0 15. Bd4 Ne8 16. c5 Bb7 17. Rae1 f6 18. Qh3 g6 19. Be3 Qc7 20. Qh6 Rf7 21. h4 Bd5 22. Kf2 Rg7 23. g4 0-1

[Event "Dortmund Sparkassen op"]
[Site "Dortmund"]
[Date "2008.07.05"]
[Round "8"]
[White "Heyden, Jonas"]
[Black "Goemann, Jens"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2105"]
[BlackElo "2150"]
[PlyCount "48"]
[EventDate "2008.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. g3 Nc6 5. Bg2 dxe4 6. dxe4 Bc5 7. Ngf3 e5 8. c3 a5 9. 0-0 0-0 10. h3 h6 11. Qc2 Be6 12. Kh2 Qb8 13. Nh4 b5 14. Nf5 a4 15. f4 Qb6 16. fxe5 Nd7 17. Nf3 Ndxe5 18. N3h4 f6 19. Qd1 Rad8 20. Qh5 Rd7 21. Bf4 Bf7 22. Qe2 Bc4 23. Qh5 Bf7 24. Qe2 Bc4 1/2-1/2

[Event "Dortmund Sparkassen op"]
[Site "Dortmund"]
[Date "2008.07.04"]
[Round "7"]
[White "Zeldin, Leonid"]
[Black "Heyden, Jonas"]
[Result "1/2-1/2"]
[ECO "C63"]
[WhiteElo "2068"]
[BlackElo "2105"]
[PlyCount "29"]
[EventDate "2008.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. Qd3 d6 7. 0-0 Be7 8. Qc4 Bd7 9. Ng5 Rf8 10. Bxc6 bxc6 11. Nc3 h6 12. Ne6 Bxe6 13. Qxe6 Qd7 14. Qxd7+ Kxd7 15. f4 1/2-1/2

[Event "Dortmund Sparkassen op"]
[Site "Dortmund"]
[Date "2008.07.03"]
[Round "6"]
[White "Heyden, Jonas"]
[Black "Singh, Marcel"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2105"]
[BlackElo "1908"]
[PlyCount "129"]
[EventDate "2008.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. Nf3 g6 6. Nc3 Bg7 7. exd6 cxd6 8. Be2 0-0 9. 0-0 Nc6 10. Be3 Bg4 11. b3 d5 12. c5 Nc8 13. h3 Bxf3 14. Bxf3 e6 15. a3 N8e7 16. Ne2 Nf5 17. Qd2 Nxe3 18. Qxe3 e5 19. dxe5 Bxe5 20. Rad1 d4 21. Qd3 Qc7 22. Bxc6 Qxc6 23. Qc4 Rfd8 24. Nxd4 Qe4 25. Nb5 Qxc4 26. bxc4 Rac8 27. Rxd8+ Rxd8 28. Nxa7 Bd4 29. Rb1 Bxc5 30. Rxb7 Bxa3 31. Kf1 Bc5 32. Rc7 Bb6 33. Rc8 Rxc8 34. Nxc8 Bc7 35. Ne7+ Kf8 36. Nd5 Bd6 37. Ke2 Bc5 38. f3 f5 39. Nf6 Kf7 40. Nxh7 Be7 41. f4 Bd6 42. g3 Ke6 43. Ng5+ Kd7 44. Nf3 Ke6 45. Ne1 Bc5 46. Nd3 Bd4 47. Kf3 Bg1 48. c5 Kd5 49. c6 Kxc6 50. Ne5+ Kd5 51. Nxg6 Ke6 52. Nh4 Kf6 53. Ng2 Bd4 54. Ne3 Bb2 55. g4 fxg4+ 56. hxg4 Kg6 57. Ke4 Ba1 58. Nf5 Bf6 59. Kd5 Bd8 60. Ke6 Bc7 61. Ne7+ Kg7 62. f5 Bd8 63. f6+ Kf8 64. Ng6+ Kg8 65. f7+ 1-0

[Event "Dortmund Sparkassen op"]
[Site "Dortmund"]
[Date "2008.07.03"]
[Round "5"]
[White "Karmann, Anna"]
[Black "Heyden, Jonas"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "1891"]
[BlackElo "2105"]
[PlyCount "94"]
[EventDate "2008.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c6 3. b3 d5 4. Bb2 g6 5. e3 Bg7 6. Be2 0-0 7. 0-0 Nbd7 8. d4 Ne4 9. Nbd2 Qa5 10. cxd5 cxd5 11. Nxe4 dxe4 12. Nd2 f5 13. f3 exf3 14. Bxf3 e5 15. Nc4 Qc7 16. dxe5 Kh8 17. Qd6 Qxd6 18. exd6 Bxb2 19. Nxb2 Ne5 20. Rac1 Rf7 21. Rc7 Be6 22. Bxb7 Rd8 23. Rd1 Ng4 24. Rxf7 Bxf7 25. Rd3 Kg7 26. Nc4 Kf6 27. h3 Ne5 28. Nxe5 Kxe5 29. d7 Be6 30. Bc6 Kf6 31. Kf2 Ke7 32. Kf3 Rf8 33. d8Q+ Rxd8 34. Rxd8 Kxd8 35. Kf4 Kc7 36. Bb5 Kd6 37. Bc4 Bxc4 38. bxc4 Kc5 39. g4 fxg4 40. hxg4 Kxc4 41. e4 h5 42. gxh5 gxh5 43. e5 Kc5 44. Kf5 h4 45. e6 h3 46. e7 h2 47. e8Q h1Q 1/2-1/2

[Event "Dortmund Sparkassen op"]
[Site "Dortmund"]
[Date "2008.07.02"]
[Round "4"]
[White "Heyden, Jonas"]
[Black "Holmsgaard, Henrik"]
[Result "1/2-1/2"]
[ECO "B44"]
[WhiteElo "2105"]
[BlackElo "2324"]
[PlyCount "39"]
[EventDate "2008.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Ne2 Nf6 4. Nbc3 e6 5. d4 cxd4 6. Nxd4 Bb4 7. Nxc6 bxc6 8. Bd3 e5 9. 0-0 0-0 10. Bg5 Be7 11. Qc2 d6 12. Rad1 Be6 13. Rd2 h6 14. Bh4 Nd7 15. Bxe7 Qxe7 16. Rfd1 Rfd8 17. Be2 Nb6 18. b3 Rac8 19. Bf3 Qc7 20. h3 1/2-1/2

[Event "Dortmund Sparkassen op"]
[Site "Dortmund"]
[Date "2008.07.01"]
[Round "2"]
[White "Heyden, Jonas"]
[Black "Racherbaeumer, Marcel"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "2105"]
[BlackElo "2260"]
[PlyCount "36"]
[EventDate "2008.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Ne2 e6 4. Nbc3 Nf6 5. d4 cxd4 6. Nxd4 Bb4 7. Qd3 d5 8. exd5 exd5 9. Bd2 0-0 10. Nxc6 bxc6 11. cxd5 Re8+ 12. Kd1 cxd5 13. f3 Rb8 14. Qd4 Bd6 15. Bd3 Be5 16. Qh4 Rxb2 17. Rb1 Rxd2+ 18. Kxd2 Ne4+ 0-1

[Event "Dortmund Sparkassen op"]
[Site "Dortmund"]
[Date "2008.07.01"]
[Round "3"]
[White "Weber, Hubert"]
[Black "Heyden, Jonas"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2078"]
[BlackElo "2105"]
[PlyCount "49"]
[EventDate "2008.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. g3 c5 4. Bg2 Nc6 5. 0-0 e6 6. c4 b6 7. Nc3 h6 8. a3 Be7 9. cxd5 exd5 10. Be3 0-0 11. Ne5 Bb7 12. Qa4 Nxd4 13. Bxd4 cxd4 14. Qxd4 Bc5 15. Qd3 a5 16. a4 Qd6 17. Nf3 Ne4 18. Nd4 Nxc3 19. bxc3 Rfd8 20. Rfd1 Rac8 21. e3 Qc7 22. Nb5 Qe5 23. Bh3 Rc6 24. Bg2 Rcc8 25. Bh3 1/2-1/2

[Event "Dortmund Sparkassen op"]
[Site "Dortmund"]
[Date "2008.06.30"]
[Round "1"]
[White "Szobries, Harald"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "1931"]
[BlackElo "2105"]
[PlyCount "54"]
[EventDate "2008.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. c4 c6 2. g3 Nf6 3. Nf3 d5 4. b3 Bg4 5. Bg2 Nbd7 6. Bb2 e6 7. d3 Bb4+ 8. Nbd2 0-0 9. 0-0 Qe7 10. a3 Bd6 11. b4 c5 12. bxc5 Nxc5 13. Ne5 Bh5 14. Re1 Bxe5 15. d4 Nd3 16. dxe5 Nd7 17. Qb3 N7c5 18. Qb5 Nxe1 19. Rxe1 Rad8 20. cxd5 exd5 21. Rc1 b6 22. a4 Qd7 23. Ba3 Qxb5 24. axb5 Bxe2 25. Bxc5 bxc5 26. Rxc5 d4 27. Rc7 Rc8 0-1

[Event "Ruhrgebiet VL1 0708"]
[Site "Germany"]
[Date "2008.04.27"]
[Round "9.3"]
[White "Heyden, Jonas"]
[Black "Langschmidt, Dirk"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1918"]
[BlackElo "2048"]
[PlyCount "113"]
[EventDate "2007.09.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Dortmund Brackel II"]
[BlackTeam "Heissen Stadtgr"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. c4 Nc6 3. Ne2 Nf6 4. Nbc3 e5 5. g3 d6 6. Bg2 Be7 7. 0-0 Be6 8. d3 Qd7 9. Nd5 Bh3 10. f4 Nxd5 11. exd5 Bxg2 12. Kxg2 Nd8 13. Nc3 h5 14. h4 g6 15. Qe2 Qg4 16. Qe1 f6 17. fxe5 fxe5 18. Ne4 Nf7 19. Nf2 Qf5 20. Qe2 g5 21. Ne4 Qg6 22. Bxg5 Nxg5 23. hxg5 Bxg5 24. Qf3 Be7 25. Qf5 Rg8 26. Qxg6+ Rxg6 27. Kh3 h4 28. g4 Kd7 29. Rf7 Rag8 30. Rg1 Ke8 31. Rf5 R8g7 32. g5 Rh7 33. Rg4 Rhg7 34. Kxh4 Rh7+ 35. Kg3 Rh1 36. Kg2 Rd1 37. Rg3 Rb1 38. Rf2 a6 39. Rh3 Rg8 40. Rg3 Rf8 41. Rgf3 Rxf3 42. Kxf3 Kf7 43. Rh2 Kg7 44. Kg4 Kg6 45. Rh6+ Kg7 46. Nxd6 Rg1+ 47. Kf3 Rxg5 48. Re6 Bf8 49. Nxb7 Rf5+ 50. Ke2 Rf7 51. Nd8 Rd7 52. Nc6 Rb7 53. b3 Rb6 54. Kf3 Kh7 55. Ke4 Rb7 56. Nxe5 Rg7 57. d6 1-0

[Event "Ruhrgebiet VL1 0708"]
[Site "Germany"]
[Date "2008.04.06"]
[Round "8.5"]
[White "Gajda, Peter"]
[Black "Heyden, Jonas"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1842"]
[BlackElo "1918"]
[PlyCount "14"]
[EventDate "2007.09.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Kirchhellen SF"]
[BlackTeam "Dortmund Brackel II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nf6 3. g3 c5 4. Bg2 Nc6 5. 0-0 e6 6. b3 Be7 7. Bb2 0-0 1/2-1/2

[Event "Ruhrgebiet VL1 0708"]
[Site "Germany"]
[Date "2008.02.17"]
[Round "6.5"]
[White "Zeldin, Leonid"]
[Black "Heyden, Jonas"]
[Result "1/2-1/2"]
[ECO "C79"]
[WhiteElo "1905"]
[BlackElo "1918"]
[PlyCount "43"]
[EventDate "2007.09.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Bochum 31 III"]
[BlackTeam "Dortmund Brackel II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6 6. Bxc6+ bxc6 7. d4 Nxe4 8. dxe5 d5 9. Nbd2 Nxd2 10. Bxd2 Be7 11. Qe2 c5 12. Ba5 Rb8 13. b4 cxb4 14. Nd4 Qd7 15. Rfe1 0-0 16. e6 fxe6 17. Nxe6 Rf6 18. Nxc7 Bc5 19. Qe8+ Rf8 20. Qxd7 Bxf2+ 21. Kh1 Bxd7 22. Re7 1/2-1/2

[Event "Ruhrgebiet VL1 0708"]
[Site "Germany"]
[Date "2008.01.20"]
[Round "5.4"]
[White "Hochstein, Udo"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2000"]
[BlackElo "1918"]
[PlyCount "120"]
[EventDate "2007.09.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Bochum-Linden"]
[BlackTeam "Dortmund Brackel II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Qc2 Nf6 6. Bg5 Bg4 7. e3 Be7 8. Bd3 h6 9. Bh4 0-0 10. Nge2 Nbd7 11. f3 Be6 12. Nf4 Bd6 13. Nxe6 fxe6 14. 0-0 e5 15. Ne2 Kh8 16. Rae1 Qc7 17. Kh1 c5 18. Bg6 Qa5 19. a3 Rac8 20. Rc1 Ng8 21. Qb3 c4 22. Qc3 Qc7 23. Bg3 Ne7 24. Bb1 Nf5 25. Bxf5 Rxf5 26. Rcd1 Rh5 27. f4 e4 28. Qe1 Rf5 29. Nc3 Qc6 30. Qe2 b5 31. Bh4 a5 32. g4 Rf7 33. Rc1 b4 34. axb4 axb4 35. Nd1 Rcf8 36. g5 Be7 37. Qh5 Kh7 38. Rg1 Qg6 39. Qg4 Nb6 40. Qh3 h5 41. Nf2 Na4 42. Rc2 Nb6 43. Qf1 Ra8 44. Qd1 Ra2 45. Nh3 Kg8 46. Rgg2 Bd6 47. Ng1 Na4 48. Be1 Nb6 49. Ne2 Rfa7 50. Ng3 Ra1 51. Rc1 Rxc1 52. Qxc1 Qf7 53. Qd1 g6 54. Rf2 b3 55. h4 Ra2 56. Kg2 Na4 57. Qc1 Qd7 58. Bc3 Qg4 59. Be1 Qxh4 60. Qd2 c3 0-1

[Event "GER-chT U20"]
[Site "Kelheim"]
[Date "2007.12.30"]
[Round "7.5"]
[White "Heyden, Jonas"]
[Black "Zeldin, Leonid"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "1918"]
[BlackElo "2038"]
[PlyCount "33"]
[EventDate "2007.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Brackel SF U20"]
[BlackTeam "Bochum SG 1931 U20"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. c4 d6 3. Ne2 e5 4. Nbc3 Nc6 5. d3 Be6 6. g3 Qd7 7. Bg2 0-0-0 8. Be3 h5 9. h4 Kb8 10. Qa4 Nd4 11. Qxd7 Bxd7 12. Rc1 Ne7 13. 0-0 Nec6 14. Bxd4 Nxd4 15. Nxd4 cxd4 16. Nd5 Be6 17. f4 1/2-1/2

[Event "GER-chT U20"]
[Site "Kelheim"]
[Date "2007.12.29"]
[Round "5.5"]
[White "Darr, Thomas"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "1899"]
[BlackElo "1918"]
[PlyCount "82"]
[EventDate "2007.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Dillingen U20"]
[BlackTeam "Brackel SF U20"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. g3 Nd7 5. Bg2 dxc4 6. 0-0 Ngf6 7. Qc2 Be7 8. Nbd2 0-0 9. Nxc4 c5 10. dxc5 Bxc5 11. Rd1 Qe7 12. Bf4 Nd5 13. Rac1 b6 14. a3 a5 15. Nfe5 Nxe5 16. Bxe5 Rd8 17. e4 Nc7 18. Rxd8+ Qxd8 19. Bxc7 Qxc7 20. Qc3 Bb7 21. b4 axb4 22. axb4 Be7 23. Qe3 Rc8 24. b5 Qc5 25. Qb3 Qb4 26. Qxb4 Bxb4 27. Kf1 Rc5 28. Ke2 Rxb5 29. Kd3 Bc5 30. f3 Rb4 31. Ra1 Bc6 32. Nd2 g6 33. Rc1 Rb2 34. Kc3 Ra2 35. Bf1 Be3 36. Rd1 Ba4 37. Nb3 Bxb3 38. Kxb3 Rxh2 39. Rd3 Bc5 40. g4 Rf2 41. Bh3 Kg7 0-1

[Event "GER-chT U20"]
[Site "Kelheim"]
[Date "2007.12.29"]
[Round "6.5"]
[White "Heyden, Jonas"]
[Black "Richter, Dustin"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "1918"]
[BlackElo "1886"]
[PlyCount "134"]
[EventDate "2007.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Brackel SF U20"]
[BlackTeam "Sangerhausen U20"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. c4 d6 3. Ne2 Nf6 4. Nbc3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Be3 0-0 8. Be2 a6 9. 0-0 Nc6 10. a3 Nxd4 11. Bxd4 Be6 12. Qd2 Rc8 13. b3 Qc7 14. Qb2 Ne8 15. Bxg7 Nxg7 16. Rac1 f5 17. Bf3 Bf7 18. Rfe1 e6 19. Red1 Rfd8 20. h3 Qe7 21. Qe2 Rc5 22. Qd2 Ne8 23. Qd4 Rdc8 24. Na4 Re5 25. c5 Rd8 26. b4 Qf6 27. Kh2 fxe4 28. Bg4 h5 29. Be2 Qf4+ 30. g3 Qf5 31. Nb6 d5 32. c6 bxc6 33. Rxc6 h4 34. Nc8 Rd7 35. Rf1 Qg5 36. Nb6 Rb7 37. Bxa6 Ra7 38. Nc8 Rc7 39. Rxc7 Nxc7 40. Be2 e3 41. Qxh4 Qxh4 42. gxh4 exf2 43. Rxf2 Be8 44. Nd6 Ba4 45. b5 Na8 46. Bd3 d4 47. Bxg6 Bxb5 48. Bf7+ Kg7 49. Nxb5 Rxb5 50. Bxe6 Ra5 51. Rd2 Kf6 52. Bd7 Rxa3 53. Rxd4 Nc7 54. Rd2 Rc3 55. Bg4 Ne8 56. h5 Re3 57. Ra2 Re7 58. Kg3 Kg7 59. Ra3 Kh6 60. Ra6+ Kg7 61. Kh4 Rc7 62. h6+ Kh8 63. Ra8 Re7 64. Bh5 Re4+ 65. Kg3 Kh7 66. Rxe8 Rxe8 67. Bxe8 Kxh6 1/2-1/2

[Event "GER-chT U20"]
[Site "Kelheim"]
[Date "2007.12.28"]
[Round "3.5"]
[White "Heyden, Jonas"]
[Black "Stegmaier, Michael"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "1918"]
[BlackElo "1702"]
[PlyCount "51"]
[EventDate "2007.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Brackel SF U20"]
[BlackTeam "Tamm 74 U20"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. c4 g6 3. Ne2 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 d6 7. Nc3 Nf6 8. Be2 Bd7 9. 0-0 0-0 10. f3 Ne5 11. Qd2 Rc8 12. b3 Qa5 13. Rfd1 Rfe8 14. Rac1 Nc6 15. h3 Nh5 16. Ncb5 Qxd2 17. Rxd2 a6 18. Nxc6 Bxc6 19. Nd4 Ng3 20. Kf2 Nxe2 21. Nxe2 f5 22. exf5 gxf5 23. Nd4 Bd7 24. Ne2 Bc6 25. Nd4 Bd7 26. Ne2 1/2-1/2

[Event "GER-chT U20"]
[Site "Kelheim"]
[Date "2007.12.28"]
[Round "4.5"]
[White "Schiller, Stefan"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "C36"]
[WhiteElo "1732"]
[BlackElo "1918"]
[PlyCount "48"]
[EventDate "2007.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Kelheim SK U20"]
[BlackTeam "Brackel SF U20"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. f4 d5 3. exd5 exf4 4. Nf3 Nf6 5. d4 Nxd5 6. Bc4 Ne3 7. Bxe3 fxe3 8. Ne5 Qf6 9. Rf1 Qh4+ 10. g3 Qxh2 11. Bxf7+ Kd8 12. Qf3 Qxc2 13. Qd5+ Nd7 14. a3 Bd6 15. Bh5 Qc1+ 16. Ke2 Qxb2+ 17. Kd1 Nxe5 18. Ra2 Qxb1+ 19. Ke2 Qd3+ 20. Ke1 Qc4 21. Qe4 Qxa2 22. Qxe3 Qb1+ 23. Kf2 Rf8+ 24. Bf3 Qxf1+ 0-1

[Event "GER-chT U20"]
[Site "Kelheim"]
[Date "2007.12.27"]
[Round "2.5"]
[White "Held, Florian"]
[Black "Heyden, Jonas"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "2032"]
[BlackElo "1918"]
[PlyCount "65"]
[EventDate "2007.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Hamburger SK U20"]
[BlackTeam "Brackel SF U20"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 Nf6 6. Qe2 Qe7 7. 0-0 d5 8. Ng3 e4 9. Nd4 Bd7 10. Bxc6 bxc6 11. d3 Qe5 12. Nf3 Qe6 13. dxe4 Bc5 14. exd5 Qxe2 15. Nxe2 cxd5 16. Bf4 Bb6 17. Ned4 0-0 18. Bg3 Ne4 19. c3 Rab8 20. Ne5 Be8 21. Nec6 Rb7 22. Ne7+ Kh8 23. Nxd5 Bxd4 24. cxd4 Rxb2 25. Nxc7 Bg6 26. Ne6 Rc8 27. Be5 Nf6 28. Rfc1 Rbc2 29. Rxc2 Rxc2 30. Nf4 Bf7 31. a3 Ne4 32. Rb1 a6 33. f3 1-0

[Event "GER-chT U20"]
[Site "Kelheim"]
[Date "2007.12.27"]
[Round "1.5"]
[White "Heyden, Jonas"]
[Black "Sandring, Franz"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "1918"]
[BlackElo "1543"]
[PlyCount "137"]
[EventDate "2007.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Brackel SF U20"]
[BlackTeam "Leipzig Gohlis U20"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. c4 e6 3. Ne2 b6 4. d4 cxd4 5. Nxd4 Bb7 6. Nc3 d6 7. f3 Nf6 8. Bg5 Nc6 9. Be2 a6 10. 0-0 Be7 11. Kh1 Rc8 12. Qd2 0-0 13. Rfd1 Rc7 14. Rac1 Qa8 15. Na4 Qa7 16. Qe3 Ne5 17. Nb3 Ned7 18. Bf4 e5 19. Bg3 Nh5 20. Bf2 Nc5 21. Nc3 Nf4 22. Qd2 f5 23. exf5 Rxf5 24. Be3 Qa8 25. Bxf4 Rxf4 26. Nd5 Bxd5 27. Qxd5+ Qxd5 28. Rxd5 g6 29. Nd2 Ne6 30. Nb3 Nc5 31. g3 Rf7 32. Kg2 Rd7 33. Nxc5 bxc5 34. Rc3 Rb7 35. Rd2 Bf8 36. Bd3 Bh6 37. Re2 Rb6 38. Be4 Rf8 39. b3 a5 40. Bc2 Bg7 41. Rd3 Bh6 42. Re1 Rf6 43. h4 Rb8 44. g4 Bf4 45. Rd5 Rb6 46. Be4 Rf8 47. Red1 Rd8 48. Rxc5 a4 49. Bc2 Be3 50. Rxe5 axb3 51. Bxb3 dxe5 52. Rxd8+ Kg7 53. Rd7+ Kf8 54. Kf1 h6 55. Ke2 Bf4 56. Kd3 Ke8 57. Rd5 Ke7 58. c5 Rc6 59. Bc4 Rc8 60. a4 Ra8 61. Bb5 g5 62. h5 Ke6 63. Rd6+ Ke7 64. Rxh6 Rd8+ 65. Rd6 e4+ 66. Kxe4 Bxd6 67. cxd6+ Kxd6 68. Kf5 Rg8 69. Bc4 1-0

[Event "Ruhrgebiet VL1 0708"]
[Site "Germany"]
[Date "2007.12.02"]
[Round "4.4"]
[White "Heyden, Jonas"]
[Black "Alles, Christoph"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1918"]
[PlyCount "85"]
[EventDate "2007.09.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Dortmund Brackel II"]
[BlackTeam "Castrop Rauxel II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. 0-0 dxc3 7. e5 cxb2 8. Bxb2 Nxe5 9. Nxe5 0-0 10. Ng4 Be7 11. Ne3 c6 12. Nf5 b5 13. Bb3 d5 14. Nxe7+ Qxe7 15. Re1 Be6 16. Nc3 Rfd8 17. Rc1 Rac8 18. Qd4 c5 19. Qe5 c4 20. Bd1 b4 21. Nb5 c3 22. Ba1 Qc5 23. Nd4 Re8 24. Nb3 Qc4 25. Qd4 Qxd4 26. Nxd4 Rc5 27. Nb3 Rd8 28. Be2 Rcc8 29. Nd4 a5 30. f3 Nd7 31. Bb5 Nc5 32. Re3 Bd7 33. Bxd7 Rxd7 34. Bxc3 bxc3 35. Rexc3 Rdc7 36. Nb5 Rb7 37. Rxc5 Rxc5 38. Rxc5 Kf8 39. Rxd5 Ke7 40. Nc3 Ra7 41. a4 Rc7 42. Ne2 Rc2 43. Kf2 1-0

[Event "Ruhrgebiet VL1 0708"]
[Site "Germany"]
[Date "2007.10.21"]
[Round "2.5"]
[White "Slowik, Martin"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1998"]
[BlackElo "1918"]
[PlyCount "45"]
[EventDate "2007.09.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Holsterhausen "]
[BlackTeam "Dortmund Brackel II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c5 5. 0-0 Bd6 6. e3 0-0 7. b3 b6 8. Bb2 Nbd7 9. Nc3 a6 10. Qc2 Bb7 11. Rfd1 Rc8 12. d3 Qe7 13. Qe2 Ne8 14. Nh4 g5 15. cxd5 gxh4 16. dxe6 Ne5 17. f4 Ng6 18. f5 hxg3 19. hxg3 Bxg2 20. fxg6 fxg6 21. Qxg2 Qg5 22. Nd5 Bxg3 23. Qxg3 0-1

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "2007.07.01"]
[Round "9"]
[White "Heyden, Jonas"]
[Black "Mazarov, Juergen"]
[Result "1/2-1/2"]
[ECO "A31"]
[WhiteElo "2144"]
[BlackElo "2090"]
[PlyCount "31"]
[EventDate "2007.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c4 e6 3. Nc3 b6 4. Nge2 Bb7 5. d4 cxd4 6. Nxd4 d6 7. Be3 Nf6 8. f3 Be7 9. Be2 0-0 10. 0-0 a6 11. Rc1 Nbd7 12. Qd2 Rc8 13. b3 Qc7 14. Rfd1 Qb8 15. Bf2 Rfd8 16. Nc2 1/2-1/2

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "2007.06.30"]
[Round "8"]
[White "Thier, Juergen"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2043"]
[BlackElo "2144"]
[PlyCount "100"]
[EventDate "2007.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. c4 c6 4. Qc2 Nf6 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 Qa5+ 8. Nbd2 Ne4 9. Bh4 Bb4 10. Bd3 f5 11. a3 0-0 12. axb4 Qxa1+ 13. Nb1 Nb6 14. 0-0 Qa4 15. Qe2 Qxb4 16. Ne5 Qd6 17. f3 Nf6 18. Bc2 Nfd7 19. Nd3 Re8 20. Qf2 Nf6 21. Nd2 Nbd7 22. e4 dxe4 23. fxe4 Nxe4 24. Bb3+ Kh8 25. Nxe4 Rxe4 26. Qxf5 Nf6 27. Qf2 Qxd4 28. Bxf6 Qxf2+ 29. Nxf2 Rb4 30. Rd1 Bf5 31. Bc3 Rxb3 32. g4 Be6 33. Ne4 Bxg4 34. Rd4 h5 35. Nd6 Rf8 36. h3 Bxh3 37. Rd3 Be6 38. Rg3 Rxc3 39. Rxc3 Bd5 40. Re3 b5 41. Re7 a5 42. Rd7 Bc4 43. Kg2 Rf6 44. Kg3 Kh7 45. Ne4 Rg6+ 46. Kf4 Rg4+ 47. Ke5 Rg2 48. Kf5 Kg8 49. Ng5 Kf8 50. Ra7 a4 0-1

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "2007.06.29"]
[Round "7"]
[White "Heyden, Jonas"]
[Black "Hubel, Hans Martin"]
[Result "1-0"]
[ECO "C27"]
[WhiteElo "2144"]
[BlackElo "1977"]
[PlyCount "65"]
[EventDate "2007.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Nc3 Nf6 4. Bc4 Be7 5. d3 0-0 6. Bg5 c6 7. h3 Nbd7 8. Qd2 b5 9. Bb3 Nc5 10. 0-0 Be6 11. Rfe1 Bxb3 12. axb3 Ne6 13. Be3 Qc7 14. Ra6 Nd7 15. d4 exd4 16. Bxd4 b4 17. Nd1 c5 18. Be3 Qb7 19. Ra1 Rfd8 20. Qd3 Ne5 21. Nxe5 dxe5 22. Qc4 Nd4 23. f3 a6 24. Bf2 Qc8 25. Ne3 Rd6 26. Nd5 Nxf3+ 27. gxf3 Rg6+ 28. Kf1 Bf8 29. h4 a5 30. Ke2 Kh8 31. Rg1 f5 32. Rxg6 hxg6 33. Nb6 1-0

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "2007.06.28"]
[Round "6"]
[White "Klatt, Peter"]
[Black "Heyden, Jonas"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2040"]
[BlackElo "2144"]
[PlyCount "41"]
[EventDate "2007.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 Ne4 5. Nf3 c5 6. Qc2 Nxc3 7. dxc3 Be7 8. Bd3 h6 9. h4 Nc6 10. Bf4 Qa5 11. 0-0 Qd8 12. h5 0-0 13. Rad1 a6 14. Qc1 f5 15. exf6 Rxf6 16. Bg3 Bd7 17. Bg6 Bc8 18. Ne5 Na5 19. Bh4 Rf8 20. Bxe7 Qxe7 21. Qc2 1-0

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "2007.06.27"]
[Round "5"]
[White "Heyden, Jonas"]
[Black "Olyschlaeger, Richard"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2144"]
[BlackElo "1903"]
[PlyCount "95"]
[EventDate "2007.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Ne2 e5 4. Nbc3 d6 5. d3 h5 6. Nd5 Nce7 7. Nec3 Nxd5 8. Nxd5 Ne7 9. f4 Nxd5 10. cxd5 exf4 11. Bxf4 Be7 12. Be2 h4 13. 0-0 Bf6 14. Qd2 Qe7 15. Rab1 a5 16. Be3 0-0 17. Bf3 Bd7 18. a3 b5 19. d4 cxd4 20. Bxd4 Bxd4+ 21. Qxd4 Qe5 22. Qf2 h3 23. g3 f5 24. exf5 Rxf5 25. Rbe1 Qf6 26. Re3 Rf8 27. Qe2 g5 28. Re7 Bc8 29. Re8 g4 30. Rxf8+ Qxf8 31. Be4 Rxf1+ 32. Qxf1 Qxf1+ 33. Kxf1 Kf7 34. Ke2 Kf6 35. Bh7 Ke5 36. Bg8 Bf5 37. Ke3 Be4 38. Be6 Bf5 39. Bf7 Be4 40. Be8 Kxd5 41. Bxb5 Ke5 42. Bd7 Bf3 43. b4 axb4 44. axb4 d5 45. Bc8 d4+ 46. Kd3 Be4+ 47. Kd2 Bf3 48. b5 1-0

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "2007.06.26"]
[Round "4"]
[White "Wesoly, Helge"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1858"]
[BlackElo "2144"]
[PlyCount "60"]
[EventDate "2007.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Be7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. a3 0-0 10. b4 a5 11. bxa5 Rxa5 12. Bc2 Rxa3 13. Rxa3 Bxa3 14. 0-0 Nbd7 15. e4 h6 16. e5 Nd5 17. Ne4 Bb7 18. Nfg5 Bb4 19. Nh7 Kxh7 20. Bxh6 g6 21. Bxf8 Bxf8 22. Qg4 Be7 23. h4 Kg7 24. Ng5 Nf8 25. g3 Bxg5 26. hxg5 Nh7 27. Kg2 Qxg5 28. Qxg5 Nxg5 29. Ra1 c5 30. f4 Nxf4+ 0-1

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "2007.06.24"]
[Round "3"]
[White "Heyden, Jonas"]
[Black "Kelbling, Alexander"]
[Result "0-1"]
[ECO "C09"]
[WhiteElo "2144"]
[BlackElo "1799"]
[PlyCount "57"]
[EventDate "2007.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. 0-0 Nge7 8. dxc5 Bxc5 9. Nb3 Bd6 10. h3 0-0 11. c3 Bf5 12. Re1 Qc7 13. Nbd4 Bg6 14. Bg5 Rad8 15. Bxc6 bxc6 16. Qe2 Rd7 17. Qa6 Rc8 18. Bxe7 Rxe7 19. Rxe7 Bxe7 20. Re1 Bd6 21. Nd2 Qd7 22. Qa4 Qb7 23. b4 h6 24. N2b3 Qb6 25. Nf3 Bd3 26. Nbd2 Bf4 27. Re7 a6 28. a3 Bg6 29. Qd1 0-1

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "2007.06.23"]
[Round "2"]
[White "Heyden, Jonas"]
[Black "Gutowski, Andre"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2144"]
[BlackElo "2009"]
[PlyCount "50"]
[EventDate "2007.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. g3 dxe4 5. dxe4 e5 6. Bg2 Bc5 7. Ngf3 Nc6 8. 0-0 0-0 9. c3 a5 10. Qe2 b6 11. Nb3 Ba6 12. c4 Bd6 13. Nh4 a4 14. Nd2 Nd4 15. Qd1 Bb4 16. b3 Bc3 17. Rb1 axb3 18. axb3 Bb7 19. f3 Ra2 20. Rf2 Nc6 21. Nf5 Nb4 22. Bf1 g6 23. Ne3 Qd4 24. Nd5 Bxd5 25. exd5 e4 0-1

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "2007.06.22"]
[Round "1"]
[White "Wist, Alexander"]
[Black "Heyden, Jonas"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "2060"]
[BlackElo "2144"]
[PlyCount "48"]
[EventDate "2007.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bd6 6. d4 exd4 7. Qxd4 Be7 8. Bf4 Nf6 9. Nc3 0-0 10. Qxd8 Bxd8 11. h3 Re8 12. Rfe1 b5 13. Rad1 Bb7 14. a3 a5 15. Nd2 Nd7 16. Nb3 Nb6 17. Nc5 Bc8 18. b3 Be7 19. Nd3 Bf6 20. Nb1 Bd8 21. Ne5 Bb7 22. Nd7 Bc8 23. Nc5 Be7 24. Nd3 Bd8 1/2-1/2

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2006.08.05"]
[Round "8"]
[White "Heyden, Jonas"]
[Black "Heining, Thomas"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1943"]
[BlackElo "2084"]
[PlyCount "97"]
[EventDate "2006.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Ne2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 0-0 9. 0-0 Nxd4 10. Bxd4 Be6 11. b3 a6 12. Qd2 Qa5 13. Rfd1 Rfc8 14. Bf3 b5 15. e5 dxe5 16. Bxe5 Ne4 17. Nxe4 Qxd2 18. Nxd2 Bxe5 19. Bxa8 Bxa1 20. Bb7 Rd8 21. Rxa1 Rxd2 22. Bxa6 bxc4 23. bxc4 Rc2 24. a4 Bxc4 25. Bxc4 Rxc4 26. a5 Rc7 27. f4 Ra7 28. Kf2 Kg7 29. Ke3 Kf6 30. Kd4 Kf5 31. g3 f6 32. Kc5 e5 33. Kb6 Ra8 34. fxe5 fxe5 35. a6 e4 36. Kb7 Re8 37. a7 e3 38. a8Q Rxa8 39. Rxa8 Kg4 40. Kc6 e2 41. Ra1 Kf3 42. Kd5 Kg2 43. Ke4 Kf2 44. Kf4 h6 45. Ke5 Kg2 46. Re1 Kxh2 47. Kf4 h5 48. Rxe2+ Kh3 49. Re5 1-0

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2006.08.04"]
[Round "7"]
[White "Conrad, Joachim"]
[Black "Heyden, Jonas"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2105"]
[BlackElo "1943"]
[PlyCount "46"]
[EventDate "2006.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 e6 5. Nc3 c6 6. cxd5 exd5 7. Bd3 Bg4 8. 0-0 Bd6 9. Be2 Nbd7 10. Nh4 Bxe2 11. Qxe2 0-0 12. Nf5 Qc7 13. h3 Rfe8 14. Bd2 g6 15. Nxd6 Qxd6 16. b4 Nb6 17. b5 Nc4 18. Rfc1 Rab8 19. Rab1 Qe6 20. Rb3 Ne4 21. Nxe4 Qxe4 22. Qd1 f5 23. Rcc3 a6 1/2-1/2

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2006.08.03"]
[Round "6"]
[White "Heyden, Jonas"]
[Black "Hokamp, Sascha"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1943"]
[BlackElo "2118"]
[PlyCount "66"]
[EventDate "2006.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 e6 2. d3 c5 3. Nd2 Nc6 4. g3 g6 5. Bg2 Bg7 6. Ngf3 Nge7 7. 0-0 0-0 8. Re1 d6 9. h4 a5 10. Nf1 a4 11. a3 Ra7 12. Ne3 Kh8 13. h5 Ng8 14. Ng4 h6 15. hxg6 fxg6 16. e5 d5 17. Qe2 b6 18. Kh2 Raf7 19. Rh1 Rxf3 20. Bxf3 Nd4 21. Qd1 Nxf3+ 22. Kg2 h5 23. Bf4 Nd4 24. Ne3 Qe8 25. c3 Nb3 26. Rb1 d4 27. Nc4 Bb7+ 28. f3 Nh6 29. Nd6 Qa8 30. Nxb7 Qxb7 31. Bxh6 Bxh6 32. g4 Nd2 33. gxh5 Rxf3 0-1

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2006.08.02"]
[Round "5"]
[White "Brandhorst, Dieter"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2092"]
[BlackElo "1943"]
[PlyCount "82"]
[EventDate "2006.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. e3 e6 5. Bd3 Bg4 6. h3 Bh5 7. Nbd2 c5 8. c3 Nc6 9. 0-0 Bd6 10. Bg5 h6 11. Bxf6 Qxf6 12. e4 cxd4 13. exd5 exd5 14. cxd4 0-0 15. Be2 Rfe8 16. Re1 Re7 17. Qb3 Rae8 18. Kf1 Bb4 19. g4 Bg6 20. Bb5 Bxd2 21. Nxd2 Rxe1+ 22. Rxe1 Rxe1+ 23. Kxe1 Qe6+ 24. Qe3 Nxd4 25. Qxe6 fxe6 26. Bd7 Kf7 27. f4 Bd3 28. Kf2 Ke7 29. Ba4 b5 30. Bd1 Bc2 31. Be2 Kd6 32. b4 e5 33. fxe5+ Kxe5 34. Nf3+ Nxf3 35. Kxf3 a6 36. Ke3 g5 37. Bf1 Bb1 38. a3 Be4 39. Kd2 Kd4 40. a4 bxa4 41. Bxa6 a3 0-1

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2006.08.01"]
[Round "4"]
[White "Heyden, Jonas"]
[Black "Fox, Daniel"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1943"]
[BlackElo "2016"]
[PlyCount "107"]
[EventDate "2006.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. g3 Bc5 5. Bg2 0-0 6. Ngf3 dxe4 7. dxe4 e5 8. 0-0 Nc6 9. c3 a5 10. Qc2 Be6 11. Nb3 Bb6 12. h3 a4 13. Nbd2 Qe7 14. Ng5 Rfd8 15. Nxe6 Qxe6 16. Re1 Na5 17. Qxa4 Nh5 18. Kf1 Qf6 19. Nf3 Rd3 20. Be3 Bxe3 21. Rxe3 Nxg3+ 22. Ke1 Rxe3+ 23. fxe3 Qc6 24. Qxc6 Nxc6 25. Nd2 Rd8 26. Nc4 b5 27. Na3 b4 28. Nb5 bxc3 29. bxc3 Na5 30. Nxc7 Nc4 31. Nd5 f5 32. exf5 Nxf5 33. Ke2 Rb8 34. Kd3 Nfd6 35. Nb4 Nb2+ 36. Kc2 Nbc4 37. Bd5+ Kf8 38. e4 g5 39. a4 Na5 40. Nc6 Nxc6 41. Bxc6 Rb6 42. Bd5 Ke7 43. c4 Ra6 44. Kc3 Kd7 45. a5 h5 46. Kb4 Kc7 47. Rg1 g4 48. hxg4 hxg4 49. Rxg4 Ne8 50. Rg5 Nf6 51. Rxe5 Nxd5+ 52. exd5 Rh6 53. c5 Rh1 54. Re7+ 1-0

[Event "GER-chT U16"]
[Site "Berlin"]
[Date "2005.12.30"]
[Round "7.2"]
[White "Graf, Felix"]
[Black "Heyden, Jonas"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "2187"]
[BlackElo "1920"]
[PlyCount "19"]
[EventDate "2005.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Dresden SC 1898 U16"]
[BlackTeam "Brackel SF U16"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. 0-0 Bg7 5. d3 0-0 6. Nbd2 c5 7. e4 dxe4 8. dxe4 Nc6 9. c3 Bg4 10. Qc2 1/2-1/2

[Event "GER-chT U16"]
[Site "Berlin"]
[Date "2005.12.29"]
[Round "6.2"]
[White "Heyden, Jonas"]
[Black "Held, Florian"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "1920"]
[BlackElo "1959"]
[PlyCount "84"]
[EventDate "2005.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Brackel SF U16"]
[BlackTeam "Hamburger SK U16"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. c4 a6 4. Nc3 Qc7 5. Be2 b6 6. 0-0 d6 7. d4 cxd4 8. Nxd4 Nf6 9. Bg5 Nbd7 10. Rc1 Bb7 11. f3 Be7 12. Kh1 Rc8 13. a3 0-0 14. b4 Qb8 15. Na4 Bd8 16. Qd2 Bc7 17. Be3 Rfd8 18. Bg1 d5 19. c5 Bf4 20. Be3 Bxe3 21. Qxe3 bxc5 22. bxc5 Ne5 23. Nb6 Rc7 24. Qg5 Nc6 25. Nxc6 Bxc6 26. e5 Nd7 27. Rb1 Qa7 28. Nxd7 Bxd7 29. Rb6 Rxc5 30. Rxa6 Qc7 31. Qe3 Rc8 32. h3 h6 33. a4 Rc2 34. Bb5 Bxb5 35. axb5 Qc4 36. Rb1 d4 37. Qe4 Re2 38. Rc6 Rxc6 39. Qxc6 Qxc6 40. bxc6 Rc2 41. Rd1 Rxc6 42. Rxd4 Rc7 1/2-1/2

[Event "GER-chT U16"]
[Site "Berlin"]
[Date "2005.12.29"]
[Round "5.2"]
[White "Heyden, Jonas"]
[Black "Weber, Max"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "1920"]
[BlackElo "2022"]
[PlyCount "77"]
[EventDate "2005.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Brackel SF U16"]
[BlackTeam "Neuberg U16"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. c4 Nc6 3. Ne2 e5 4. Nbc3 g6 5. g3 Bg7 6. Bg2 Nge7 7. 0-0 d6 8. d3 Be6 9. Nd5 h6 10. f4 Qd7 11. a3 Nd4 12. Nxd4 cxd4 13. Bd2 Nxd5 14. cxd5 Bg4 15. Bf3 Bh3 16. Bg2 Bg4 17. Bf3 Bh3 18. Re1 h5 19. Rc1 Bh6 20. fxe5 Bxd2 21. Qxd2 dxe5 22. Qg5 Qd6 23. Bg2 Bd7 24. Rf1 Rc8 25. Rxc8+ Bxc8 26. Rf6 Qc7 27. d6 Qc5 28. b4 Qb5 29. a4 Qxd3 30. Qxe5+ Be6 31. Rxe6+ fxe6 32. Qxh8+ Kd7 33. Qh6 Qb1+ 34. Bf1 Qxe4 35. Qg7+ Kxd6 36. Qf8+ Ke5 37. Qg7+ Kd6 38. Qf8+ Ke5 39. Qg7+ 1/2-1/2

[Event "GER-chT U16"]
[Site "Berlin"]
[Date "2005.12.28"]
[Round "3.2"]
[White "Heyden, Jonas"]
[Black "Seemann, Semjon"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1920"]
[BlackElo "1945"]
[PlyCount "77"]
[EventDate "2005.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Brackel SF U16"]
[BlackTeam "Stader SV U16"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Ne7 12. Nxe7 Bxe7 13. Qd3 Bb7 14. Rd1 0-0 15. g3 f5 16. Bg2 Qb6 17. 0-0 d5 18. exf5 e4 19. Qe3 Qxe3 20. fxe3 Bxa3 21. bxa3 Rac8 22. Rc1 Rc4 23. Bh3 Ra4 24. g4 h6 25. Rf2 Rxa3 26. Kg2 d4 27. cxd4 Rxe3 28. Rc7 Bd5 29. Rd7 Bc4 30. Rf4 Re2+ 31. Rf2 Re3 32. Rf4 Re8 33. f6 Re2+ 34. Kg1 Re1+ 35. Kg2 gxf6 36. Rxf6 e3 37. Rg6+ Kf8 38. Rf6+ Kg8 39. Rg6+ 1/2-1/2

[Event "GER-chT U16"]
[Site "Berlin"]
[Date "2005.12.28"]
[Round "4.2"]
[White "Steinbach, Ulrich"]
[Black "Heyden, Jonas"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "1673"]
[BlackElo "1920"]
[PlyCount "63"]
[EventDate "2005.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Koeln Muelheim U16"]
[BlackTeam "Brackel SF U16"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 Bb4 5. Bg2 d6 6. d3 h6 7. 0-0 Bg4 8. h3 Bh5 9. Be3 0-0 10. g4 Bg6 11. Nh4 Ne7 12. f4 exf4 13. Bxf4 Nd7 14. Nf5 Ba5 15. Ne2 Nxf5 16. gxf5 Bh5 17. Bf3 Qh4 18. Kh2 Ne5 19. Bxh5 Qxh5 20. Ng3 Qxd1 21. Raxd1 Rad8 22. d4 Nd7 23. Rg1 Kh7 24. Rg2 Nf6 25. Rdg1 Rg8 26. c4 Bb6 27. e5 dxe5 28. Bxe5 Nd7 29. Nh5 g6 30. fxg6+ fxg6 31. Nf6+ Nxf6 32. Bxf6 1/2-1/2

[Event "GER-chT U16"]
[Site "Berlin"]
[Date "2005.12.27"]
[Round "1.2"]
[White "Heyden, Jonas"]
[Black "Schaefer, Erik"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "1920"]
[BlackElo "1770"]
[PlyCount "84"]
[EventDate "2005.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Brackel SF U16"]
[BlackTeam "Dresden USV TU U16"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. Nc3 a6 5. Be2 Qc7 6. 0-0 Nf6 7. d4 cxd4 8. Nxd4 Ne5 9. Qb3 Bc5 10. Nf3 Neg4 11. h3 Nxf2 12. Rxf2 Qg3 13. Nd1 Nxe4 14. Be3 Bxe3 15. Qxe3 Nxf2 16. Nxf2 Qc7 17. Rc1 d6 18. Qg5 0-0 19. b3 f5 20. Rd1 Rb8 21. Qd2 Rd8 22. Qg5 h6 23. Qf4 e5 24. Qh4 Be6 25. g4 fxg4 26. Nxg4 Rf8 27. Kh1 Bxg4 28. Qxg4 Rf6 29. Rg1 Rbf8 30. c5 g6 31. cxd6 Qxd6 32. Qe4 Re8 33. Nh4 g5 34. Bc4+ Kh8 35. Nf5 Qc6 36. Bd5 Qc3 37. Ne3 Qd4 38. Bxb7 Ref8 39. Rd1 Qxe4+ 40. Bxe4 Rf2 41. Ng4 Rxa2 42. Kg1 Rf4 1/2-1/2

[Event "GER-chT U16"]
[Site "Berlin"]
[Date "2005.12.27"]
[Round "2.2"]
[White "Weber, Raphael"]
[Black "Heyden, Jonas"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "1635"]
[BlackElo "1920"]
[PlyCount "130"]
[EventDate "2005.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Ettlingen U16"]
[BlackTeam "Brackel SF U16"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. 0-0 g6 6. c3 d6 7. h3 Bg7 8. Be3 0-0 9. Nbd2 Qe7 10. Re1 Kh7 11. Nf1 Nh5 12. Qd2 Nd8 13. d4 Be6 14. Bd3 Bd7 15. Rad1 Ne6 16. Bc2 Rad8 17. Ng3 Nxg3 18. fxg3 a5 19. Rf1 Bb5 20. Bd3 Bxd3 21. Qxd3 exd4 22. cxd4 c5 23. Rfe1 Nxd4 24. Nxd4 cxd4 25. Bxd4 Bxd4+ 26. Qxd4 Qe5 27. Re3 Rfe8 28. Qxe5 Rxe5 29. Red3 Rxe4 30. Rxd6 Rxd6 31. Rxd6 b5 32. Rd5 Rb4 33. b3 a4 34. bxa4 bxa4 35. Ra5 Kg7 36. g4 Rc4 37. Ra6 Rf4 38. Kh2 Rd4 39. Kg1 Kf8 40. Ra7 Rc4 41. Kh2 Kg7 42. Ra6 g5 43. Kg1 f6 44. Kh2 Kg6 45. Kg1 Rf4 46. Kh2 h5 47. gxh5+ Kxh5 48. Ra5 Kg6 49. Kg3 Rc4 50. Kh2 g4 51. hxg4 Rxg4 52. Kh3 Rc4 53. Kh2 f5 54. Ra6+ Kg5 55. Ra5 Kf4 56. Ra6 Ke4 57. Ra5 f4 58. a3 Kd3 59. Rb5 Ke4 60. Rb7 Kd3 61. Rd7+ Kc2 62. Rb7 Kc3 63. Rb8 Kd4 64. Rd8+ Ke3 65. Ra8 Kd4 1/2-1/2

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "2005.07.16"]
[Round "8"]
[White "Rezasade, Amir"]
[Black "Heyden, Jonas"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2126"]
[BlackElo "1853"]
[PlyCount "145"]
[EventDate "2005.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. c4 c6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Bg4 5. Qc2 e6 6. 0-0 Bd6 7. d4 0-0 8. b3 h6 9. Bb2 Nbd7 10. Nbd2 Bf5 11. Qc3 Ne4 12. Nxe4 Bxe4 13. Rfd1 Rc8 14. Rac1 Qc7 15. Ne1 Bxg2 16. Nxg2 Bb4 17. Qc2 Ba3 18. Nf4 Bxb2 19. Qxb2 Nf6 20. Nd3 Nd7 21. b4 Nb6 22. Ne5 Nxc4 23. Nxc4 dxc4 24. Rxc4 Rfd8 25. Rdc1 Qd7 26. e3 a6 27. a4 g6 28. Rc5 Ra8 29. Qc3 Qe8 30. Kg2 Qd7 31. h3 h5 32. Qc2 Qe7 33. Qe4 Rd5 34. Qf4 Rad8 35. h4 R8d7 36. Qe4 Rd8 37. Qb1 Qd7 38. Qb2 Qe8 39. Rb1 Qd7 40. Rbc1 Qe8 41. Qc3 Qd7 42. Kh2 Qe7 43. Kg2 Qd7 44. Rc2 Qd6 45. Rb2 Qd7 46. Rb1 Qe8 47. Qb2 Qd7 48. Qe2 Qe7 49. Qb2 Qd7 50. Rc4 Qe7 51. e4 R5d7 52. a5 Qf6 53. e5 Qf5 54. Rd1 g5 55. hxg5 Qxg5 56. Rh1 Qg6 57. Rh4 Kf8 58. Qe2 Ke7 59. Qf3 Rh8 60. Qe4 Qxe4+ 61. Rxe4 Rdd8 62. Rh4 Rdg8 63. Kf3 Rg5 64. Rc1 Rf5+ 65. Ke3 Rg8 66. Rch1 Rgg5 67. R1h3 f6 68. f4 Rg8 69. Kf3 Rd8 70. Rxh5 Rxd4 71. Rh7+ Kd8 72. Rxb7 Kc8 73. Rf7 1-0

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "2005.07.15"]
[Round "7"]
[White "Heyden, Jonas"]
[Black "Beutelhoff, Josef"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1853"]
[BlackElo "2182"]
[PlyCount "97"]
[EventDate "2005.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 e6 2. d3 c5 3. g3 d5 4. Nd2 Nc6 5. Bg2 Nf6 6. Ngf3 Be7 7. Qe2 0-0 8. e5 Nd7 9. 0-0 b5 10. Re1 a5 11. c3 Ba6 12. Nf1 b4 13. Bf4 bxc3 14. bxc3 Rb8 15. Rab1 Qc7 16. Ne3 Rxb1 17. Rxb1 Rb8 18. Re1 Qb6 19. Nxd5 Qb2 20. Nxe7+ Nxe7 21. Bd2 Qxa2 22. c4 a4 23. Qd1 Rb2 24. Bc3 Rb3 25. Ng5 h6 26. Ne4 Bb7 27. Qc1 Qa3 28. Qxa3 Rxa3 29. Rc1 Rb3 30. Nd2 Rb6 31. Bxb7 Rxb7 32. Ra1 Ra7 33. Ra3 Nc6 34. f4 Nb4 35. Ba1 f5 36. Kf2 Nb6 37. Ke2 g5 38. Nf3 g4 39. Ne1 Rd7 40. Bb2 h5 41. Ng2 Kg7 42. Ba1 Kf7 43. Ne1 h4 44. gxh4 Kg6 45. Kf2 Kh5 46. Kg3 Rg7 47. Bb2 Rd7 48. Ba1 Rd8 49. Bb2 1/2-1/2

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "2005.07.14"]
[Round "6"]
[White "Kartsev, Soel"]
[Black "Heyden, Jonas"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2253"]
[BlackElo "1853"]
[PlyCount "69"]
[EventDate "2005.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nc6 3. d4 Bg4 4. g3 Bxf3 5. exf3 e6 6. Be3 Nf6 7. Nd2 Bd6 8. a3 Qd7 9. Bd3 0-0 10. 0-0 Ne7 11. Bf2 Ng6 12. Re1 c6 13. c3 Rac8 14. b4 b6 15. Nb3 Bb8 16. a4 Ne7 17. a5 h5 18. axb6 axb6 19. Qd2 Nf5 20. h3 Nd6 21. g4 Nc4 22. Qc1 Qc7 23. Bg3 Rfe8 24. Ra2 g5 25. Re5 Nxe5 26. fxe5 Nh7 27. Bxh7+ Kxh7 28. Qxg5 f6 29. Qxh5+ Kg8 30. Ra6 b5 31. Na5 Qg7 32. Nxc6 f5 33. Bh4 Rc7 34. Bf6 Qh7 35. Qxe8# 1-0

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "2005.07.12"]
[Round "5"]
[White "Heyden, Jonas"]
[Black "Iltchouk, Elena"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1853"]
[BlackElo "2181"]
[PlyCount "77"]
[EventDate "2005.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 b6 4. g3 Bb7 5. Bg2 Nf6 6. Qe2 c5 7. Ngf3 Be7 8. 0-0 Nc6 9. e5 Nd7 10. Re1 Qc7 11. a4 Rc8 12. c3 Na5 13. h4 h5 14. Rb1 c4 15. d4 Bc6 16. Nf1 Bxa4 17. Bh3 Nb3 18. Bg5 Nf8 19. Bxe7 Qxe7 20. Ne3 Bd7 21. Ng5 a5 22. f4 g6 23. Qf2 Kd8 24. f5 Nh7 25. f6 Qe8 26. Nf3 b5 27. Nd2 Nxd2 28. Qxd2 Kc7 29. b3 Bc6 30. bxc4 bxc4 31. Qb2 a4 32. Qb6+ Kd7 33. Nxd5 Qd8 34. Qa7+ Ke8 35. Ne7 Bd7 36. Nxc8 Bxc8 37. Qxa4+ Kf8 38. Qxc4 g5 39. Rb8 1-0

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "2005.07.11"]
[Round "4"]
[White "Siepmann, Martin"]
[Black "Heyden, Jonas"]
[Result "1/2-1/2"]
[ECO "C79"]
[WhiteElo "2164"]
[BlackElo "1853"]
[PlyCount "46"]
[EventDate "2005.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6 6. d3 b5 7. Bb3 Na5 8. h3 Be7 9. Re1 c5 10. Nbd2 0-0 11. Nf1 Qc7 12. Ng3 Bb7 13. c4 Rac8 14. Qc2 Nc6 15. Nf5 Nd4 16. N3xd4 cxd4 17. Qd2 bxc4 18. Bxc4 g6 19. Qg5 Bd8 20. Qg3 Nxe4 21. Bxf7+ Kxf7 22. Nh6+ Kg7 23. dxe4 Qc2 1/2-1/2

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "2005.07.10"]
[Round "3"]
[White "Heyden, Jonas"]
[Black "Henrichs, Wenke"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1853"]
[BlackElo "2080"]
[PlyCount "115"]
[EventDate "2005.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Ne4 4. d4 Nxc3 5. bxc3 c5 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. Nf3 Nc6 9. 0-0 e6 10. Be3 h6 11. Rb1 Rc8 12. Ne1 Be7 13. Qg4 g6 14. h4 h5 15. Qg3 Na5 16. Bg5 Nc4 17. Rb3 b6 18. Bxe7 Qxe7 19. Qf4 Na5 20. Rb1 cxd4 21. cxd4 Rc4 22. Rc1 Kd7 23. Nf3 Rhc8 24. Qd2 Rc3 25. Ng5 R8c7 26. Rfe1 Ra3 27. c3 Nc4 28. Qe2 b5 29. g3 a6 30. Kg2 Ke8 31. Red1 Nb6 32. Rd3 Ra4 33. Rf3 Qa3 34. Qe3 Rac4 35. Qf4 Na4 36. Nxf7 Rxc3 37. Nd6+ Kd7 38. Qf7+ Kc6 39. Qe8+ Kb6 40. Rcxc3 Rxc3 41. Qb8+ Ka5 42. Nb7+ Kb6 43. Nc5+ Ka5 44. Qc7+ Nb6 45. Rxc3 Qxc3 46. Nb3+ Kb4 47. Qxb6 Qd3 48. Qxe6 Qe4+ 49. Kh2 Qe2 50. Qd6+ Kc3 51. Qc5+ Kb2 52. Qc1+ Kxa2 53. Qd2+ Qxd2 54. Nxd2 a5 55. e6 a4 56. e7 b4 57. e8Q Ka3 58. Qe7 1-0

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "2005.07.09"]
[Round "2"]
[White "Richter, Kurt"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "2076"]
[BlackElo "1853"]
[PlyCount "102"]
[EventDate "2005.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nf3 Nf6 4. d4 exd4 5. Nxd4 Nxe4 6. 0-0 d5 7. Bb3 Be7 8. c3 0-0 9. Nc2 Be6 10. Nd2 Nc5 11. Nd4 Nxd4 12. cxd4 Nxb3 13. Nxb3 b6 14. Be3 Bd6 15. Qh5 Qf6 16. Rac1 Qg6 17. Qg5 Rac8 18. Bf4 Qxg5 19. Bxg5 c5 20. Be3 c4 21. Nd2 Bf5 22. Nf3 Bd3 23. Rfe1 Rfe8 24. Bd2 f6 25. Rxe8+ Rxe8 26. Re1 Kf7 27. Rxe8 Kxe8 28. Ne1 Bg6 29. g3 b5 30. a3 Kd7 31. Bb4 Bxb4 32. axb4 Kc6 33. Ng2 Kb6 34. Ne3 Bf7 35. Kf1 a5 36. Nc2 axb4 37. Nxb4 Ka5 38. Na2 b4 39. Ke1 Ka4 40. Nc1 c3 41. bxc3 bxc3 42. Kd1 Bg6 43. f3 Kb4 44. Ne2 Kc4 45. Kc1 Bd3 46. Nf4 Kxd4 47. Ne6+ Ke3 48. Nxg7 Bg6 49. f4 Be4 50. Ne8 d4 51. Nxf6 d3 0-1

[Event "Ruhrgebiet VK2 0405"]
[Site "Ruhrgebiet"]
[Date "2005.04.10"]
[Round "9.8"]
[White "Greger, Helmut"]
[Black "Heyden, Jonas"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "1924"]
[BlackElo "1823"]
[PlyCount "61"]
[EventDate "2004.09.12"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]
[WhiteTeam "Rochade Steele/Kray"]
[BlackTeam "Brackel III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nf3 e6 3. d4 d5 4. Nc3 c6 5. e3 Nbd7 6. Be2 Be7 7. 0-0 0-0 8. b3 Re8 9. Bb2 Bf8 10. Rc1 h6 11. Qd2 Nh7 12. e4 dxc4 13. bxc4 Ng5 14. Rcd1 Nxf3+ 15. Bxf3 Qg5 16. Bc1 Qg6 17. Qe2 Bb4 18. Qb2 Bf8 19. Rfe1 a6 20. e5 f6 21. Ne4 f5 22. Ng3 Qh7 23. d5 cxd5 24. cxd5 exd5 25. Bxd5+ Kh8 26. Bf7 Re7 27. e6 Rxf7 28. exf7 Qg6 29. Qb3 Nc5 30. Re8 Ne6 31. Rdd8 1-0

[Event "Ruhrgebiet VK2 0405"]
[Site "Ruhrgebiet"]
[Date "2005.03.13"]
[Round "8.7"]
[White "Stuhrmann, Bjoern"]
[Black "Heyden, Jonas"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1645"]
[BlackElo "1823"]
[PlyCount "65"]
[EventDate "2004.09.12"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]
[WhiteTeam "Holsterhausen II"]
[BlackTeam "Brackel III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 Nf6 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. Bd3 dxe4 10. Nxe4 Bg4 11. Nxf6+ Qxf6 12. Qe2+ Ne7 13. 0-0-0 0-0 14. Rhe1 Ng6 15. h3 Nf4 16. Qe4 Nxd3+ 17. Qxd3 Bf5 18. Qc3 Rac8 19. g4 Be6 20. d5 Qxc3+ 21. bxc3 Bd7 22. Re7 Bb5 23. Nd4 Bc4 24. Nf5 g6 25. Ne3 Bb5 26. c4 Rfe8 27. Rxe8+ Bxe8 28. Kb2 Bd7 29. Rd4 Re8 30. Kc3 Kg7 31. h4 Kf6 32. g5+ Ke5 33. c5 1-0

[Event "Ruhrgebiet VK2 0405"]
[Site "Ruhrgebiet"]
[Date "2005.01.30"]
[Round "6.7"]
[White "Heyden, Jonas"]
[Black "Stephan, Joerg"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1823"]
[BlackElo "1795"]
[PlyCount "61"]
[EventDate "2004.09.12"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]
[WhiteTeam "Brackel III"]
[BlackTeam "Witten"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Nxe7 Qxe7 11. Bd3 0-0 12. 0-0 h6 13. Bh4 Be6 14. c4 Nd4 15. cxb5 g5 16. Bg3 Qb7 17. f3 axb5 18. Nc2 Nxc2 19. Bxc2 Rfd8 20. Bb3 Qe7 21. Bxe6 Qxe6 22. b3 d5 23. exd5 Nxd5 24. Qe2 Nc3 25. Qc2 Rac8 26. Rfe1 f6 27. Qg6+ Kh8 28. Bxe5 Qxe5 29. Rxe5 fxe5 30. Qxh6+ Kg8 31. Qxg5+ 1-0

[Event "GER-chT U16"]
[Site "Dittrichshuette"]
[Date "2004.12.30"]
[Round "6"]
[White "Heyden, Jonas"]
[Black "Liedmann, Dennis"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1849"]
[BlackElo "1845"]
[PlyCount "55"]
[EventDate "2004.12.27"]
[EventType "team"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 e6 5. Be2 g6 6. c4 Nb6 7. Bg5 f6 8. Be3 Bg7 9. 0-0 0-0 10. Nc3 Nc6 11. Qd2 Ne7 12. Bh6 Bd7 13. Bxg7 Kxg7 14. Rfd1 Bc6 15. b3 Qe8 16. Qf4 Rc8 17. Bd3 Nd7 18. Qe3 Bxf3 19. Qxf3 b6 20. Be4 Qf7 21. Bc6 Nxc6 22. Qxc6 Nb8 23. Qe4 c6 24. Re1 Rfe8 25. Rad1 Nd7 26. h3 Qe7 27. d5 cxd5 28. Nxd5 1/2-1/2

[Event "GER-chT U16"]
[Site "Dittrichshuette"]
[Date "2004.12.29"]
[Round "4"]
[White "Fragin, Ilja"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "C32"]
[WhiteElo "1853"]
[BlackElo "1849"]
[PlyCount "50"]
[EventDate "2004.12.27"]
[EventType "team"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. Nc3 Bb4 6. Bd2 e3 7. Bxe3 0-0 8. Be2 Re8 9. Bd2 Nxd5 10. Nxd5 Qxd5 11. Nf3 Bc5 12. d4 Bxd4 13. Bb4 Qc4 14. c3 Bb6 15. Qd2 Bg4 16. Kd1 Qe6 17. h3 Bf5 18. Ne5 Qf6 19. Bd3 c5 20. Ba3 Bxd3 21. Nxd3 c4 22. Re1 Nc6 23. Nc5 Bxc5 24. Bxc5 Red8 25. Qxd8+ Rxd8+ 0-1

[Event "GER-chT U16"]
[Site "Dittrichshuette"]
[Date "2004.12.29"]
[Round "5"]
[White "Heyden, Jonas"]
[Black "Dueck, Stefan"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "1849"]
[BlackElo "1885"]
[PlyCount "81"]
[EventDate "2004.12.27"]
[EventType "team"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 Bg4 7. Be3 Nfd7 8. Qd2 Nc6 9. h3 Bxf3 10. Bxf3 e5 11. d5 Ne7 12. Bh6 f5 13. Bxg7 Kxg7 14. 0-0-0 f4 15. h4 Ng8 16. Rdg1 a6 17. g4 b5 18. Be2 Nc5 19. f3 bxc4 20. g5 Qb8 21. Bxc4 Ne7 22. h5 Rh8 23. Rh4 Qb4 24. Qe2 Rag8 25. Rgh1 a5 26. a3 Qb6 27. Qh2 Kf8 28. Qh3 Rg7 29. Qg4 Qb8 30. Nb5 Qc8 31. Qxc8+ Nxc8 32. hxg6 Rxg6 33. Nxc7 Nb6 34. Ba2 Rxg5 35. b4 axb4 36. axb4 Nd3+ 37. Kd2 Rg2+ 38. Kxd3 Rxa2 39. Ne6+ Ke8 40. Rxh7 Ra3+ 41. Ke2 1/2-1/2

[Event "GER-chT U16"]
[Site "Dittrichshuette"]
[Date "2004.12.28"]
[Round "3"]
[White "Heyden, Jonas"]
[Black "Baumgardt, Laurin"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1849"]
[BlackElo "1774"]
[PlyCount "91"]
[EventDate "2004.12.27"]
[EventType "team"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 Be7 7. 0-0 b5 8. Re1 0-0 9. e5 Nd7 10. Nf1 a5 11. c3 Ba6 12. h4 b4 13. Qe2 Nb6 14. Bg5 h6 15. Bd2 Rb8 16. Rab1 bxc3 17. bxc3 Qd7 18. N3h2 Kh8 19. Ng4 Rfc8 20. Qf3 Qe8 21. Ngh2 f6 22. exf6 Bxf6 23. Bh3 Ne5 24. Qg2 Rc6 25. Bf4 Nxd3 26. Bxb8 Nxe1 27. Rxe1 Qxb8 28. Qf3 e5 29. Qh5 Qf8 30. Ne3 Bd3 31. Bf5 Bxf5 32. Qxf5 d4 33. Neg4 Qc8 34. Qh5 Nc4 35. cxd4 cxd4 36. f4 Re6 37. Nxf6 gxf6 38. Qxh6+ Kg8 39. Qg6+ Kf8 40. f5 Rb6 41. Qh6+ Ke7 42. Qg7+ Kd8 43. Qg8+ Kd7 44. Qf7+ Kd8 45. Qg8+ Kd7 46. Qf7+ 1/2-1/2

[Event "GER-chT U16"]
[Site "Dittrichshuette"]
[Date "2004.12.27"]
[Round "1"]
[White "Heyden, Jonas"]
[Black "Becker, Nils"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "1849"]
[BlackElo "2030"]
[PlyCount "130"]
[EventDate "2004.12.27"]
[EventType "team"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Bc4 Qb6 9. Qd2 Nxe4 10. Nxe4 Bxd4 11. Bxd4 Qxd4 12. Qxd4 Nxd4 13. 0-0-0 Nc6 14. h4 h6 15. g4 Ne5 16. Be2 d6 17. Rdg1 Be6 18. Nc3 f5 19. gxf5 Rxf5 20. Nb5 Bd7 21. Nc7 Rc8 22. Nd5 Kf7 23. Ne3 Rf4 24. Ng4 Bxg4 25. fxg4 Ke6 26. Rh3 a6 27. b3 Kd7 28. a4 Rf2 29. Kd1 Rcf8 30. Ke1 R2f4 31. Rgg3 Re4 32. Re3 Rxe3 33. Rxe3 Rf4 34. Rg3 Kc6 35. Kd2 Kd5 36. c3 a5 37. Ke3 g5 38. hxg5 hxg5 39. Kd2 Kc5 40. Rh3 d5 41. Rh7 Nf7 42. Rg7 e5 43. Ke3 b6 44. Rg6 d4+ 45. cxd4+ exd4+ 46. Kd2 d3 47. Bxd3 Ne5 48. Rxg5 Kd4 49. Be2 Rf2 50. Rg8 Rg2 51. Rd8+ Kc5 52. Ke3 Nxg4+ 53. Kf3 Rf2+ 54. Kxg4 Rxe2 55. Kf4 Re6 56. Rd3 Kb4 57. Kf3 Rc6 58. Ke4 Rc3 59. Rd6 Rxb3 60. Rxb6+ Kxa4 61. Ra6 Rc3 62. Kd4 Rc8 63. Rh6 Kb4 64. Rb6+ Ka3 65. Rb7 a4 1/2-1/2

[Event "GER-chT U16"]
[Site "Dittrichshuette"]
[Date "2004.12.27"]
[Round "2"]
[White "Luo, Xinping"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "C16"]
[WhiteElo "1696"]
[BlackElo "1849"]
[PlyCount "136"]
[EventDate "2004.12.27"]
[EventType "team"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. Qg4 Ng6 6. h4 h5 7. Qg3 c5 8. a3 Qa5 9. Rb1 cxd4 10. axb4 Qxb4 11. Bd2 dxc3 12. Bxc3 Qe4+ 13. Qe3 Qxe3+ 14. fxe3 0-0 15. Nf3 a6 16. Bd3 b5 17. Bxg6 fxg6 18. Rf1 Nc6 19. Ng5 Rf5 20. Rxf5 gxf5 21. b4 Nd8 22. Ke2 Nf7 23. Nxf7 Kxf7 24. Bd4 Bb7 25. Kf3 Rc8 26. c3 Rg8 27. Kf4 Kg6 28. g3 Kh6 29. Rh1 g5+ 30. hxg5+ Rxg5 31. Kf3 Rg8 32. Rh2 Kg5 33. Rh1 Rh8 34. Rh2 Ra8 35. Ra2 Bc6 36. Bc5 d4+ 37. Kf2 Bd5 38. Rd2 dxc3 39. Rc2 a5 40. bxa5 Rxa5 41. Bb4 Ra4 42. Bxc3 b4 43. Bd4 b3 44. Rd2 Be4 45. Rb2 Bc2 46. Kf3 Ra8 47. Bc3 Rd8 48. Bd4 Rd7 49. Bc5 Rd2 50. Be7+ Kg6 51. Ba3 Rh2 52. e4 Bxe4+ 53. Ke3 Bc2 54. Be7 Rg2 55. Kf4 Re2 56. Bd6 Re4+ 57. Kf3 h4 58. gxh4 Rxh4 59. Kg3 Rg4+ 60. Kf2 Rg5 61. Ke3 f4+ 62. Kf2 Kf5 63. Bc7 Ke4 64. Bb8 f3 65. Ba7 Rg2+ 66. Ke1 Kxe5 67. Bf2 Kd5 68. Be3 Re2+ 0-1

[Event "Ruhrgebiet VK2 0405"]
[Site "Ruhrgebiet"]
[Date "2004.11.28"]
[Round "4.7"]
[White "Heyden, Jonas"]
[Black "Kiryk, Ralf"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1823"]
[BlackElo "1912"]
[PlyCount "118"]
[EventDate "2004.09.12"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]
[WhiteTeam "Brackel III"]
[BlackTeam "Horst II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. f3 Nf6 4. Nc3 Qa5 5. Bd2 Qb6 6. Bc1 e6 7. a3 Bd7 8. e5 Ng8 9. Be3 c5 10. Rb1 Nh6 11. Nce2 Nf5 12. Bf2 Nc6 13. c3 Be7 14. g3 Rc8 15. Bg2 0-0 16. Nh3 cxd4 17. cxd4 Qa5+ 18. Kf1 Qa6 19. Kg1 Na5 20. g4 Nh4 21. Nef4 Nxg2 22. Kxg2 Rc7 23. Rc1 Rfc8 24. Rxc7 Rxc7 25. Nh5 Nc4 26. Qb1 Qb6 27. b3 Nxa3 28. Qd3 Nc2 29. g5 Qb4 30. Nf6+ Bxf6 31. gxf6 Bb5 32. Qd1 Qc3 33. Qc1 Nxd4 34. Qxc3 Rxc3 35. Bxd4 Rxb3 36. Bxa7 Be2 37. Kf2 Bxf3 38. Rc1 gxf6 39. exf6 h6 40. Rg1+ Kf8 41. Bc5+ Ke8 42. Rg3 Rb5 43. Kxf3 Rxc5 44. Rg8+ Kd7 45. Rf8 e5 46. Rxf7+ Ke6 47. Rxb7 Kxf6 48. Rb6+ Kf5 49. Rxh6 Rc3+ 50. Kg2 Rc2+ 51. Nf2 e4 52. Kf1 e3 53. Nd3 Ke4 54. Ne1 Rf2+ 55. Kg1 d4 56. Rh5 Rf8 57. Rh4+ Ke5 58. Nd3+ Kd5 59. Nf4+ Ke5 1-0

[Event "Ruhrgebiet VK2 0405"]
[Site "Ruhrgebiet"]
[Date "2004.11.14"]
[Round "3.8"]
[White "Heyden, Jonas"]
[Black "Banik, Andreas"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1823"]
[BlackElo "1807"]
[PlyCount "77"]
[EventDate "2004.09.12"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]
[WhiteTeam "Brackel III"]
[BlackTeam "Ickern"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 Nf6 5. Nc3 e5 6. d5 Bb4 7. Bg5 Qa5 8. Qd3 cxd5 9. Bxf6 gxf6 10. exd5 Nd7 11. 0-0-0 Bxc3 12. bxc3 Qxa2 13. Qf3 Qa3+ 14. Kd2 Qd6 15. Nh3 Nc5 16. Bb5+ Bd7 17. Bxd7+ Qxd7 18. Nf2 f5 19. Kc1 0-0-0 20. g4 fxg4 21. Nxg4 e4 22. Qe3 Qd6 23. Nh6 Rd7 24. Nf5 Qb6 25. Rd4 Rhd8 26. Rc4 Rxd5 27. Ne7+ Kb8 28. Nxd5 Rxd5 29. Qf4+ Ka8 30. Rd1 Rxd1+ 31. Kxd1 a5 32. Qxf7 Qb1+ 33. Kd2 e3+ 34. Kxe3 Qe1+ 35. Kd4 b6 36. Qf8+ Kb7 37. Qf3+ Ka6 38. Qa8+ Kb5 39. Rb4+ 1-0

[Event "Ruhrgebiet VK2 0405"]
[Site "Ruhrgebiet"]
[Date "2004.09.12"]
[Round "1.8"]
[White "Heyden, Jonas"]
[Black "Wisotzky, Klaus"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1823"]
[BlackElo "1701"]
[PlyCount "91"]
[EventDate "2004.09.12"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]
[WhiteTeam "Brackel III"]
[BlackTeam "Muelheim Heissen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 a6 5. Bc4 Nf6 6. Nge2 b5 7. Bb3 Bb7 8. Bf4 Qd8 9. 0-0 e6 10. Qd2 c5 11. a3 cxd4 12. Qxd4 Qxd4 13. Nxd4 Nc6 14. Nxc6 Bxc6 15. Rad1 Be7 16. Bd6 Rd8 17. Bc7 Rd7 18. Rxd7 Kxd7 19. Ba5 Kc8 20. a4 bxa4 21. Bxa4 Bxa4 22. Nxa4 Kb7 23. Rd1 Rc8 24. Rd2 Rc6 25. Kf1 Rd6 26. Rxd6 Bxd6 27. Bc3 Ne8 28. Bd4 Kc6 29. Ke2 e5 30. Be3 Nc7 31. c4 Ne6 32. g3 Bb4 33. Kd3 f5 34. f3 g5 35. Bf2 h6 36. Bg1 Be1 37. Ba7 Ba5 38. Bb8 Bc7 39. Bxc7 Kxc7 40. b4 Kc6 41. Nc3 Nc7 42. g4 fxg4 43. fxg4 Kd6 44. Ke4 Ke6 45. Na4 Kd6 46. Nc5 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2004.07.31"]
[Round "9"]
[White "Heyden, Jonas"]
[Black "Hardt, Helmut"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1792"]
[BlackElo "1819"]
[PlyCount "81"]
[EventDate "2004.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Qd2 h6 6. Be3 Ng4 7. 0-0-0 Nxe3 8. Qxe3 0-0 9. f4 c6 10. Bd3 b5 11. Kb1 a5 12. f5 a4 13. fxg6 fxg6 14. Qg3 g5 15. Nce2 b4 16. e5 d5 17. h4 e6 18. hxg5 Qxg5 19. Qxg5 hxg5 20. Nf3 Ba6 21. Bh7+ Kf7 22. Nxg5+ Ke7 23. Nc1 Nd7 24. Bd3 Bb7 25. Be2 c5 26. Bb5 Rf5 27. Nf3 cxd4 28. Bxd7 Kxd7 29. Rh7 Rg8 30. Rxd4 Kc8 31. Rxb4 d4 32. Rxa4 Bxf3 33. gxf3 Bxe5 34. Ne2 Rxf3 35. a3 d3 36. cxd3 Rxd3 37. Ra8+ Bb8 38. Re7 Re3 39. Nd4 e5 40. Nc6 Rb3 41. Nxe5 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2004.07.30"]
[Round "8"]
[White "Volkov, Mykyta"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "1888"]
[BlackElo "1792"]
[PlyCount "56"]
[EventDate "2004.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c6 5. e3 Nbd7 6. Nf3 Qa5 7. Nd2 dxc4 8. Bxf6 Nxf6 9. Nxc4 Qg5 10. Ne5 Nd5 11. Nf3 Qd8 12. Be2 Bb4 13. Rc1 0-0 14. 0-0 Bd6 15. e4 Ne7 16. e5 Bc7 17. Ne4 Qd5 18. Bd3 Qxa2 19. Nfg5 h6 20. Qh5 Nf5 21. Nf6+ gxf6 22. exf6 Qd5 23. Rc5 Qd6 24. g3 e5 25. Bc4 Qxf6 26. Nxf7 Be6 27. dxe5 Qxf7 28. Bxe6 Qxe6 0-1

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2004.07.29"]
[Round "7"]
[White "Heyden, Jonas"]
[Black "Pittag, Andreas"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1792"]
[BlackElo "1744"]
[PlyCount "73"]
[EventDate "2004.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bg5 Nf6 5. Qd2 h6 6. Be3 Ng4 7. 0-0-0 Nxe3 8. Qxe3 g5 9. h4 gxh4 10. f4 Bg4 11. Be2 h5 12. Nf3 Nd7 13. Kb1 c5 14. dxc5 Rc8 15. cxd6 Rxc3 16. bxc3 e5 17. f5 Bxf3 18. gxf3 Qa5 19. Rd5 Qa3 20. Bb5 Bh6 21. Qc5 Qxc5 22. Rxc5 Kd8 23. Rc7 Nf6 24. Rxb7 Kc8 25. Rxa7 Kb8 26. Rxf7 Bg5 27. Rg7 Nh7 28. c4 Bf6 29. Rf7 Bd8 30. c5 Ng5 31. Rg7 Nxf3 32. c6 Ba5 33. c7+ Kb7 34. Bd7 Bxc7 35. Be6 Nd2+ 36. Kc1 Nxe4 37. dxc7 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2004.07.28"]
[Round "6"]
[White "Kappler, Thomas"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1486"]
[BlackElo "1792"]
[PlyCount "134"]
[EventDate "2004.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Bg5 c6 5. Nbd2 Nbd7 6. e3 Qa5 7. a3 Be7 8. b4 Qd8 9. cxd5 Nxd5 10. Ne4 Bxg5 11. Nfxg5 0-0 12. Qh5 h6 13. Nf3 a5 14. b5 a4 15. bxc6 Qa5+ 16. Nfd2 bxc6 17. Bd3 f5 18. Nd6 Qc3 19. Ke2 Ba6 20. Bxa6 Rxa6 21. Rhc1 Qb2 22. N6c4 Qb8 23. Rab1 Qd8 24. Qg6 c5 25. dxc5 Nxc5 26. Ne5 Nd7 27. Rb7 Qf6 28. Qxf6 N7xf6 29. f3 Rd8 30. Rc2 g5 31. Nf7 Rd7 32. Rxd7 Nxd7 33. Nd8 Kf8 34. Nc6 Kf7 35. Nd4 Ne5 36. Nb5 Rb6 37. Nc3 Nxc3+ 38. Rxc3 Rb2 39. Ke1 Ra2 40. Kd1 Ra1+ 41. Ke2 Ke7 42. h3 h5 43. f4 Nf7 44. Nc4 g4 45. h4 Nd6 46. Nxd6 Kxd6 47. g3 Ra2+ 48. Kf1 Kd5 49. Rd3+ Ke4 50. Rc3 Rb2 51. Ke1 Rg2 52. Kf1 Rxg3 53. Kf2 Rh3 54. Rc4+ Kd3 55. Rxa4 Rh2+ 56. Kg3 Rh3+ 57. Kg2 Rxe3 58. Ra8 Ke4 59. Ra4+ Kd3 60. Ra8 Re4 61. a4 Ke3 62. a5 Kxf4 63. a6 Re2+ 64. Kf1 Ra2 65. a7 e5 66. Kg1 Kg3 67. Kf1 e4 0-1

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2004.07.27"]
[Round "5"]
[White "Heyden, Jonas"]
[Black "Hellmann, Thomas"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1792"]
[BlackElo "1753"]
[PlyCount "35"]
[EventDate "2004.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Qf3 Nxe4 6. Qxe4 Qd5 7. Qg4 Nd7 8. Nf3 Ne5 9. Nxe5 Qxe5+ 10. Be2 Bd6 11. d4 Qf6 12. 0-0 0-0 13. Bg5 Qg6 14. Bd3 e5 15. Qh4 Bf5 16. Bxf5 Qxf5 17. dxe5 Bxe5 18. c3 1/2-1/2

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2004.07.26"]
[Round "4"]
[White "Heyden, Jonas"]
[Black "Makarov, Juri"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1792"]
[BlackElo "1771"]
[PlyCount "62"]
[EventDate "2004.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Nc3 e6 6. Nf3 Bb4 7. Bd2 Nf6 8. a3 Ba5 9. Ne2 Bb6 10. Bg5 h6 11. Be3 0-0 12. Ng3 Bg4 13. Be2 Nd5 14. Bc1 Nd7 15. 0-0 g5 16. h3 Bxf3 17. Bxf3 f5 18. Qe2 Qf6 19. c3 Rae8 20. Bd2 e5 21. Bxd5+ cxd5 22. Qb5 Qd6 23. dxe5 Nxe5 24. Rae1 Nf3+ 25. Kh1 Nxe1 26. Bxe1 f4 27. Ne2 a6 28. Qd3 f3 29. gxf3 Qe6 30. Kg2 Rf6 31. Ng3 Ref8 0-1

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2004.07.25"]
[Round "3"]
[White "Langaditis, Sevastianos"]
[Black "Heyden, Jonas"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "1770"]
[BlackElo "1792"]
[PlyCount "36"]
[EventDate "2004.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 c5 4. e3 Bg4 5. h3 Bh5 6. Bb5+ Nc6 7. Bxc6+ bxc6 8. 0-0 e6 9. d3 Be7 10. Nbd2 0-0 11. Qe1 Qc7 12. e4 Nd7 13. Qe3 d4 14. Qe1 e5 15. Nh2 Nb6 16. a4 a5 17. Ndf3 Nd7 18. Bc1 Rae8 1/2-1/2

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2004.07.24"]
[Round "2"]
[White "Heyden, Jonas"]
[Black "Kuenitz, Klaus"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1792"]
[BlackElo "1804"]
[PlyCount "87"]
[EventDate "2004.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Nf3 c5 6. dxc5 Bxc5 7. 0-0 0-0 8. Bg5 Be6 9. Nc3 Nc6 10. Re1 Qb6 11. Qd2 Be7 12. Rab1 Rfe8 13. h3 Rad8 14. Bf4 Bb4 15. a3 Ne4 16. Qe2 Bxc3 17. bxc3 Nxc3 18. Bxh7+ Kf8 19. Rxb6 Nxe2+ 20. Rxe2 axb6 21. Bd3 f6 22. Bc7 Rc8 23. Bxb6 Bf7 24. Rd2 Ne5 25. Nxe5 fxe5 26. Ba5 Kg8 27. c3 e4 28. Bf1 e3 29. fxe3 Rxe3 30. Rb2 d4 31. cxd4 Rxa3 32. Bb6 Rc1 33. Kf2 Ra2 34. Rxa2 Bxa2 35. Be2 Bd5 36. Bf3 Rc2+ 37. Ke3 Bxf3 38. gxf3 Rh2 39. d5 Rxh3 40. d6 Kf7 41. d7 Rh8 42. d8Q Rxd8 43. Bxd8 Kg6 44. f4 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2004.07.23"]
[Round "1"]
[White "Debbeler, Adrian"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "1184"]
[BlackElo "1792"]
[PlyCount "64"]
[EventDate "2004.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Qa4 Qb6 8. Qc2 Bb4 9. a3 Bxc3+ 10. Qxc3 Ne4 11. Qc2 Nxg5 12. Nxg5 dxc4 13. Bxc4 Qa5+ 14. Qc3 Qxg5 15. 0-0 0-0 16. b4 Nb6 17. Bd3 Nd5 18. Qc5 Qe7 19. e4 Qxc5 20. dxc5 Nf4 21. Bc4 e5 22. g3 Be6 23. gxf4 Bxc4 24. Rfc1 Bd3 25. fxe5 Bxe4 26. Re1 Bd5 27. Rad1 Rfe8 28. b5 Re6 29. bxc6 Rg6+ 30. Kf1 Bc4+ 31. Re2 Bxe2+ 32. Kxe2 Rxc6 0-1

[Event "NRW-ch U16"]
[Site "Wolfsburg"]
[Date "2004.04.17"]
[Round "7"]
[White "Fox, Daniel"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1726"]
[BlackElo "1595"]
[PlyCount "48"]
[EventDate "2004.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Qb6 8. Rb1 cxd4 9. Nxd4 Bc5 10. Nce2 0-0 11. c3 f6 12. exf6 Rxf6 13. g3 e5 14. fxe5 Ndxe5 15. Bg2 Bg4 16. Bxd5+ Kh8 17. Bxc6 Nxc6 18. Qd2 Re8 19. Kd1 Bxd4 20. cxd4 Rfe6 21. Kc1 Bxe2 22. Qxe2 Rxe3 23. Qd2 Nxd4 24. Rf1 Ne2+ 0-1

[Event "NRW-ch U16"]
[Site "Wolfsburg"]
[Date "2004.04.16"]
[Round "6"]
[White "Heyden, Jonas"]
[Black "Sander, Kevin"]
[Result "1-0"]
[ECO "D24"]
[WhiteElo "1595"]
[BlackElo "1482"]
[PlyCount "45"]
[EventDate "2004.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 Bf5 5. Bg5 Nbd7 6. h3 e6 7. e4 h6 8. Bxf6 Qxf6 9. exf5 Qxf5 10. Bxc4 Nb6 11. Bd3 Qf6 12. 0-0 g5 13. Qc2 0-0-0 14. Nb5 c6 15. a4 a5 16. Ne5 Nd5 17. Rfd1 h5 18. Be4 Bd6 19. Bxd5 exd5 20. Nxd6+ Rxd6 21. Qc5 g4 22. h4 Rg8 23. g3 1-0

[Event "NRW-ch U16"]
[Site "Wolfsburg"]
[Date "2004.04.15"]
[Round "5"]
[White "Heyden, Jonas"]
[Black "Trippe, Robin"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1595"]
[BlackElo "1411"]
[PlyCount "127"]
[EventDate "2004.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 Bg7 11. Be2 0-0 12. 0-0 f5 13. exf5 Bxf5 14. c3 Be6 15. Re1 f5 16. Qd2 Rb8 17. Rad1 Qd7 18. Bf1 Rfd8 19. Qg5 Qf7 20. Qd2 Ne7 21. c4 bxc4 22. Bxc4 Nxd5 23. Bxd5 Bxd5 24. Qxd5 Qxd5 25. Rxd5 Rxb2 26. Ra1 Bf8 27. Nc4 Rb5 28. Rad1 Rxd5 29. Rxd5 Kf7 30. Kf1 Ke6 31. Ra5 Ra8 32. Ke2 Be7 33. Nd2 d5 34. Nf3 h6 35. h3 Bb4 36. Ra4 a5 37. a3 Bc5 38. Rh4 Rh8 39. a4 e4 40. Nd2 h5 41. g4 fxg4 42. hxg4 Kf6 43. Nb3 Bb6 44. gxh5 Kg5 45. Rh1 Rxh5 46. Rg1+ Kf5 47. Rg2 Rh3 48. Nd2 Ra3 49. Rh2 Bc5 50. Rh5+ Ke6 51. Nxe4 Ra2+ 52. Kf1 dxe4 53. Rxc5 Rxa4 54. Ke2 Ra3 55. Rh5 a4 56. Ra5 Kd6 57. Kd2 Rd3+ 58. Ke2 a3 59. f4 Rf3 60. f5 a2 61. Rxa2 Rxf5 62. Ke3 Re5 63. Kd4 Ke6 64. Ke3 1/2-1/2

[Event "NRW-ch U16"]
[Site "Wolfsburg"]
[Date "2004.04.14"]
[Round "4"]
[White "Aulich, Marcell"]
[Black "Heyden, Jonas"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "1656"]
[BlackElo "1595"]
[PlyCount "17"]
[EventDate "2004.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 d6 5. Bg5 Be7 6. Nc3 Be6 7. Bb3 Qd7 8. Qd2 0-0-0 9. 0-0-0 1/2-1/2

[Event "NRW-ch U16"]
[Site "Wolfsburg"]
[Date "2004.04.13"]
[Round "3"]
[White "Heyden, Jonas"]
[Black "Annegarn, Alexander"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1595"]
[BlackElo "1793"]
[PlyCount "80"]
[EventDate "2004.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Qd2 h6 6. Bf4 g5 7. Be3 Ng4 8. 0-0-0 Nc6 9. Bb5 Bd7 10. Nge2 e6 11. f3 Nxe3 12. Qxe3 a6 13. Ba4 Na5 14. Bb3 Nxb3+ 15. axb3 a5 16. Qd3 Qb8 17. Ng3 h5 18. d5 h4 19. dxe6 fxe6 20. Nge2 b5 21. f4 gxf4 22. e5 Bxe5 23. Rhf1 Qb6 24. Nxf4 Bxf4+ 25. Rxf4 0-0-0 26. Qe4 Qc6 27. Rxh4 Qxe4 28. Rxe4 Rxh2 29. Rg1 Rg8 30. g4 b4 31. Nd1 e5 32. Ne3 Rg5 33. Nd5 Kb7 34. Nf6 Bf5 35. Rc4 Be6 36. Re4 Rh6 37. Rf1 Rgg6 38. Rfe1 Rh4 39. g5 Rxe4 40. Nxe4 Bf5 0-1

[Event "NRW-ch U16"]
[Site "Wolfsburg"]
[Date "2004.04.13"]
[Round "2"]
[White "Stopka, Tobias"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "C32"]
[WhiteElo "1763"]
[BlackElo "1595"]
[PlyCount "70"]
[EventDate "2004.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nc3 Nf6 2. e4 e5 3. f4 d5 4. exd5 e4 5. d3 Bb4 6. Bd2 e3 7. Bxe3 0-0 8. Bd2 Bc5 9. Ne4 Re8 10. Bc3 Nxe4 11. dxe4 Rxe4+ 12. Be2 Bg4 13. Qd3 Qe7 14. Be5 Bf5 15. Qb3 Rb4 16. Qg3 f6 17. Bc3 Re4 18. 0-0-0 Rxe2 19. Nxe2 Qxe2 20. Rd2 Be3 21. Re1 Bxd2+ 22. Bxd2 Qc4 23. Bc3 Qa4 24. b3 Qxa2 25. Bb2 Bg6 26. f5 Bf7 27. Re7 Qa6 28. Qe1 Qd6 29. g4 Na6 30. h4 Qf4+ 31. Kb1 Qxg4 32. Rxf7 Kxf7 33. Qe6+ Kf8 34. Ba3+ Nb4 35. d6 Qd1+ 0-1

[Event "NRW-ch U16"]
[Site "Wolfsburg"]
[Date "2004.04.12"]
[Round "1"]
[White "Coenen, Michael"]
[Black "Heyden, Jonas"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1880"]
[BlackElo "1595"]
[PlyCount "99"]
[EventDate "2004.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. Re1 c6 7. Nbd2 Bg4 8. Ne5 Bf5 9. f3 Qb6 10. Nb3 Nbd7 11. Nxd7 Bxd7 12. e4 dxe4 13. fxe4 e5 14. c3 Rad8 15. Kh1 Rfe8 16. Be3 exd4 17. Bxd4 Qc7 18. Qc2 Ng4 19. Rad1 Ne5 20. Rf1 Bg4 21. Rde1 b6 22. Nd2 c5 23. Bxe5 Qxe5 24. Nc4 Qe6 25. Ne3 Bh3 26. Nd5 Bxg2+ 27. Kxg2 Rd7 28. c4 Qe5 29. Re2 h5 30. Qa4 Red8 31. Rd1 Qe6 32. Qc2 Qe5 33. h3 Qg5 34. Qa4 Kh8 35. Rf1 Be5 36. Qb3 Kg8 37. Qf3 Bd4 38. Qd3 Kg7 39. b4 h4 40. g4 Rb8 41. Qb3 Rbd8 42. a4 cxb4 43. Qxb4 Qe5 44. Rf3 Bc5 45. Qe1 Qg5 46. Qc3+ f6 47. e5 Rf8 48. Rxf6 Rdd8 49. Rxf8 Rxf8 50. e6+ 1-0

[Event "Ruhrgebiet-ch U16"]
[Site "Muelheim"]
[Date "2004.04.07"]
[Round "7"]
[White "Heyden, Jonas"]
[Black "Bastian, Felix"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1595"]
[BlackElo "1456"]
[PlyCount "95"]
[EventDate "2004.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Bg4 6. 0-0 Ne7 7. Bg5 f6 8. Bh4 Nbc6 9. c3 Qd7 10. Nbd2 0-0-0 11. b4 h5 12. a4 Bxh2+ 13. Kxh2 g5 14. Bxg5 fxg5 15. a5 h4 16. b5 Nb8 17. b6 cxb6 18. axb6 a6 19. c4 Bxf3 20. Nxf3 g4 21. Ne5 g3+ 22. Kg1 Qe6 23. cxd5 Qxd5 24. Rc1+ Nbc6 25. Qe2 Rde8 26. Be4 Qxd4 27. Bxc6 gxf2+ 28. Rxf2 Nxc6 29. Rxc6+ Kb8 30. Rc5 Ka8 31. Qc4 Qe3 32. Ng4 Qg3 33. Nh2 h3 34. Qc3 Qg6 35. Rcf5 Qxb6 36. Qa5 Qh6 37. Qd2 Qc6 38. g4 Rd8 39. Qc2 Qb6 40. Rf6 Qe3 41. Nf1 Qd4 42. Qe2 Rdg8 43. Nh2 Re8 44. Qf3 Re1+ 45. Nf1 h2+ 46. Kh1 Rh4 47. Rxa6+ Kb8 48. Qf8+ 1-0

[Event "Ruhrgebiet-ch U16"]
[Site "Muelheim"]
[Date "2004.04.06"]
[Round "5"]
[White "Graw, Christopher"]
[Black "Heyden, Jonas"]
[Result "1/2-1/2"]
[ECO "C05"]
[WhiteElo "1774"]
[BlackElo "1595"]
[PlyCount "34"]
[EventDate "2004.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. f4 Nc6 7. Ndf3 Qb6 8. a3 a5 9. Bd3 cxd4 10. Ne2 dxc3 11. Nxc3 Be7 12. Qe2 0-0 13. Nb5 Bc5 14. Bxh7+ Kh8 15. Ng5 g6 16. Nxe6 Kxh7 17. Nxf8+ Nxf8 1/2-1/2

[Event "Ruhrgebiet-ch U16"]
[Site "Muelheim"]
[Date "2004.04.06"]
[Round "6"]
[White "Sharma, Danesh"]
[Black "Heyden, Jonas"]
[Result "1/2-1/2"]
[ECO "C14"]
[WhiteElo "1620"]
[BlackElo "1595"]
[PlyCount "65"]
[EventDate "2004.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e5 Be7 7. Qg4 0-0 8. h4 c5 9. Nf3 Qb6 10. Bd3 h6 11. Rb1 Nc6 12. dxc5 Bxc5 13. 0-0 Qc7 14. Rfe1 a6 15. Rbd1 Bd7 16. Ne2 Nxe5 17. Nxe5 Qxe5 18. Nf4 Qxb2 19. Nh5 Rfd8 20. Re2 Bf8 21. c4 Qb4 22. Re3 dxc4 23. Rb1 Qa4 24. Bxc4 b5 25. Nxg7 Qxc4 26. Re4 Qxa2 27. Nh5+ Kh8 28. Rbe1 Qb2 29. Re5 Qc2 30. Qd4 Kh7 31. Nf6+ Kh8 32. Nh5 Qc4 33. Qb2 1/2-1/2

[Event "Ruhrgebiet-ch U16"]
[Site "Muelheim"]
[Date "2004.04.05"]
[Round "4"]
[White "Heyden, Jonas"]
[Black "Grosse Venhaus, Phillip"]
[Result "1-0"]
[ECO "D60"]
[WhiteElo "1595"]
[BlackElo "1620"]
[PlyCount "44"]
[EventDate "2004.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. Bg5 Be7 6. e3 c6 7. Bd3 0-0 8. c5 b6 9. b4 a5 10. a3 Ba6 11. 0-0 Ne8 12. Bf4 Nc7 13. Ne5 Bxd3 14. Nxc6 Qe8 15. Qxd3 Na6 16. b5 Nab8 17. Nxe7+ Qxe7 18. Bd6 Qd8 19. Bxf8 Kxf8 20. Qxh7 bxc5 21. dxc5 Nxc5 22. Qh8+ Ke7 1-0

[Event "Ruhrgebiet-ch U16"]
[Site "Muelheim"]
[Date "2004.04.04"]
[Round "3"]
[White "Grasse, Herbert"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1248"]
[BlackElo "1595"]
[PlyCount "82"]
[EventDate "2004.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Nc6 4. d3 e5 5. 0-0 Bg4 6. Nbd2 Qd7 7. Re1 Bd6 8. e4 0-0-0 9. c3 h5 10. h4 Rdg8 11. Qb3 dxe4 12. dxe4 Nh7 13. Nh2 Bh3 14. Bxh3 Qxh3 15. Ndf3 f6 16. Be3 g5 17. hxg5 Nxg5 18. Bxg5 fxg5 19. Kh1 Be7 20. Rg1 g4 21. Qe6+ Kb8 22. Nxe5 Nxe5 23. Qxe5 Bd6 24. Qd4 h4 25. Rg2 hxg3 26. fxg3 Bxg3 27. Qd2 Be5 28. Rf1 g3 29. Rf3 Qxh2+ 30. Rxh2 Rxh2+ 31. Qxh2 gxh2 32. Rf1 b6 33. Ra1 Kb7 34. c4 Rg1+ 35. Rxg1 hxg1Q+ 36. Kxg1 Bxb2 37. Kf2 Kc6 38. Ke3 Be5 39. Kd3 Kc5 40. a3 a6 41. a4 Kb4 0-1

[Event "Ruhrgebiet-ch U16"]
[Site "Muelheim"]
[Date "2004.04.04"]
[Round "2"]
[White "Heyden, Jonas"]
[Black "Quast, Marcel"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1595"]
[BlackElo "1277"]
[PlyCount "64"]
[EventDate "2004.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 h6 5. Nc3 Nf6 6. Be3 Bb6 7. h3 d6 8. Qd2 Be6 9. Bb3 0-0 10. 0-0-0 Bxe3 11. fxe3 Bxb3 12. axb3 d5 13. exd5 Nxd5 14. g4 Nxc3 15. Qxc3 Qd6 16. Rdg1 a5 17. Qc4 Ne7 18. g5 h5 19. Nh4 g6 20. Rf1 Qd7 21. Rf6 b5 22. Qe4 a4 23. b4 a3 24. bxa3 Rxa3 25. Qxe5 Nd5 26. Rf3 Qc6 27. Qb2 Nxb4 28. Qxb4 Ra1+ 29. Kb2 Rxh1 30. Rf6 Qa8 31. Rxg6+ fxg6 32. Qb3+ Rf7 0-1

[Event "Ruhrgebiet-ch U16"]
[Site "Muelheim"]
[Date "2004.04.03"]
[Round "1"]
[White "Wilms, Christoph"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "D61"]
[WhiteElo "1188"]
[BlackElo "1595"]
[PlyCount "70"]
[EventDate "2004.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 Nbd7 6. e3 Be7 7. cxd5 Nxd5 8. Bxe7 Qxe7 9. Nxd5 exd5 10. Bd3 0-0 11. Qc2 h6 12. 0-0 Nf6 13. a3 Ne4 14. Nd2 Nxd2 15. Qxd2 Qg5 16. Be2 Re8 17. Rfe1 Bf5 18. Bd3 Bg4 19. b4 Bf3 20. Bf1 h5 21. Kh1 Be4 22. f3 Bg6 23. Bd3 Re7 24. Bxg6 Qxg6 25. Rac1 Rae8 26. Rc3 h4 27. Qd3 Qh5 28. Rc2 h3 29. e4 dxe4 30. fxe4 Rxe4 31. Rxe4 Rxe4 32. gxh3 Qd5 33. Qf3 Re1+ 34. Kg2 Rg1+ 35. Kf2 Rf1+ 0-1

[Event "GER-chT U16"]
[Site "Greifswald"]
[Date "2003.12.30"]
[Round "7.2"]
[White "Heyden, Jonas"]
[Black "Hartmann, Elisa"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1630"]
[BlackElo "1208"]
[PlyCount "75"]
[EventDate "2003.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Brackel SF U16"]
[BlackTeam "Gryps SV U16 II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 d5 5. exd5 Nxd5 6. 0-0 Bc5 7. Re1 Qd6 8. d4 Ndb4 9. c3 0-0 10. cxb4 Bxd4 11. Nxd4 exd4 12. a3 Bf5 13. Bd2 Rad8 14. Qf3 Ne5 15. Qxf5 Nxc4 16. Bf4 Qb6 17. b3 Nd6 18. Bxd6 Qxd6 19. Nd2 d3 20. Rac1 Rfe8 21. Qb5 Rxe1+ 22. Rxe1 Qc6 23. Qxc6 bxc6 24. f3 g6 25. Kf2 f5 26. Re5 Kf7 27. Ke3 h6 28. Rc5 Rd6 29. Ra5 Ke6 30. f4 g5 31. g3 Rd5 32. Rxd5 cxd5 33. Kxd3 c6 34. Kd4 Kd6 35. Nf3 gxf4 36. gxf4 a6 37. Ne5 h5 38. h4 1-0

[Event "GER-chT U16"]
[Site "Greifswald"]
[Date "2003.12.29"]
[Round "5.2"]
[White "Heyden, Jonas"]
[Black "Krebs, Martin"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1630"]
[BlackElo "1675"]
[PlyCount "72"]
[EventDate "2003.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Brackel SF U16"]
[BlackTeam "Muennerstadt Turm U16"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nb3 g6 7. f3 Bg7 8. Be3 Bd7 9. Qd2 Rc8 10. Bh6 0-0 11. 0-0-0 Na5 12. Nxa5 Qxa5 13. Bxg7 Kxg7 14. g4 b5 15. h4 b4 16. Nb1 Be6 17. Bd3 Bxa2 18. h5 Qc5 19. hxg6 fxg6 20. e5 Ng8 21. exd6 Qxd6 22. Qe3 Qf4 23. Qxf4 Rxf4 24. Nd2 Bd5 25. Rhf1 Rcf8 26. Be2 e6 27. Rg1 Ne7 28. Rg3 Nc6 29. Rf1 Ne5 30. Kd1 Nc4 31. Bxc4 Bxc4 32. Rh1 Kg8 33. Ke1 Bd5 34. Kf2 Rc8 35. Ke3 Rf7 36. Kd3 Rd7 0-1

[Event "GER-chT U16"]
[Site "Greifswald"]
[Date "2003.12.29"]
[Round "6.2"]
[White "Thiery, Ian"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1602"]
[BlackElo "1630"]
[PlyCount "42"]
[EventDate "2003.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Saarlouis Rochade U16"]
[BlackTeam "Brackel SF U16"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. 0-0 0-0 6. Nc3 d6 7. d3 h6 8. Nf3 Bg4 9. Be3 Nd4 10. Bxd4 Bxd4 11. Rb1 c6 12. h3 Bh5 13. Qe2 a5 14. a4 Qd7 15. Nd1 Nh7 16. Ne3 Ng5 17. Nf5 Bxf3 18. gxf3 Nxh3+ 19. Kh2 Nf4 20. Qe1 Kh7 21. Rg1 g6 0-1

[Event "GER-chT U16"]
[Site "Greifswald"]
[Date "2003.12.28"]
[Round "3.2"]
[White "Heyden, Jonas"]
[Black "Luo, Xinping"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1630"]
[BlackElo "1495"]
[PlyCount "26"]
[EventDate "2003.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Brackel SF U16"]
[BlackTeam "Heilbronn U16"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. g4 Qa5 12. Be2 Bxa2 13. b3 Qa3# 0-1

[Event "GER-chT U16"]
[Site "Greifswald"]
[Date "2003.12.28"]
[Round "4.2"]
[White "Schumacher, Markus"]
[Black "Heyden, Jonas"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1629"]
[BlackElo "1630"]
[PlyCount "71"]
[EventDate "2003.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Leipzig Turm U16"]
[BlackTeam "Brackel SF U16"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Nf6 8. f3 Bc5 9. c3 0-0 10. Nd2 Rd8 11. N2b3 Ba7 12. Bg5 h6 13. Bxf6 gxf6 14. 0-0-0 c5 15. Ne2 Be6 16. Kc2 Rd6 17. Rd2 Rad8 18. Rhd1 Kf8 19. Nf4 Rxd2+ 20. Rxd2 Rxd2+ 21. Nxd2 c6 22. Nxe6+ fxe6 23. Nc4 Ke7 24. Na5 Bb6 25. Nxb7 c4 26. b4 cxb3+ 27. Kxb3 f5 28. exf5 exf5 29. Kc4 Kf6 30. Nc5 Kg5 31. Nxa6 Kf4 32. Nb4 Ke3 33. Nxc6 f4 34. Kd5 Kf2 35. Ke4 Bc7 36. a4 1-0

[Event "GER-chT U16"]
[Site "Greifswald"]
[Date "2003.12.27"]
[Round "1.2"]
[White "Heyden, Jonas"]
[Black "Abel, Dennes"]
[Result "0-1"]
[ECO "D80"]
[WhiteElo "1630"]
[BlackElo "2139"]
[PlyCount "96"]
[EventDate "2003.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Brackel SF U16"]
[BlackTeam "Hannover Post U16"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d5 5. Bg5 Ne4 6. Bf4 Nxc3 7. bxc3 0-0 8. e3 dxc4 9. Bxc4 c5 10. 0-0 Nc6 11. Rb1 Na5 12. Bd3 c4 13. Bc2 a6 14. h4 b5 15. h5 Bg4 16. hxg6 fxg6 17. Be4 Rc8 18. Qd2 Bf5 19. Qc2 Qd7 20. Bg3 Nb7 21. Bxf5 gxf5 22. Ne5 Qe6 23. Rfd1 Rcd8 24. Qe2 Nc5 25. Qh5 Ne4 26. Rdc1 Nxg3 27. fxg3 Bxe5 28. dxe5 Qxe5 29. Qg5+ Kh8 30. Rf1 Rd3 31. Rbe1 Rg8 32. Qxf5 Qxf5 33. Rxf5 Rxg3 34. Rf7 Rgxe3 35. Ref1 Re6 36. R1f4 Rf6 37. R4xf6 exf6 38. Rxf6 Rxc3 39. Rxa6 Rc2 40. Kf1 b4 41. Rb6 Rb2 42. Ke1 Kg7 43. Kd1 h5 44. g3 c3 45. Kc1 Rxa2 46. Rxb4 Rg2 47. Rb7+ Kh6 48. Rc7 Rxg3 0-1

[Event "GER-chT U16"]
[Site "Greifswald"]
[Date "2003.12.27"]
[Round "2.2"]
[White "Nurovic, Semir"]
[Black "Heyden, Jonas"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1500"]
[BlackElo "1630"]
[PlyCount "80"]
[EventDate "2003.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Wermelskirchen U16"]
[BlackTeam "Brackel SF U16"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd2 Be7 7. Rc1 0-0 8. cxd5 exd5 9. Bd3 Re8 10. 0-0 Bd6 11. Re1 Ne4 12. Qc2 Ndf6 13. h3 Re6 14. Bxe4 Nxe4 15. Red1 Qe7 16. Nxd5 Qd7 17. Nc3 Nxc3 18. Bxc3 Rg6 19. Qe4 h6 20. Nh4 Re6 21. Qg4 Bf8 22. Qe2 Qd5 23. a3 Be7 24. Nf3 Rg6 25. g4 h5 26. e4 Qe6 27. Ne5 Rh6 28. d5 cxd5 29. exd5 Qb6 30. Nc4 Qd8 31. d6 Bg5 32. Bd2 hxg4 33. hxg4 Bxd2 34. Rxd2 Qh4 35. Qf3 Bxg4 36. Qg2 Bh3 37. Qh2 Rg6+ 38. Kh1 Qe4+ 39. f3 Qxf3+ 40. Rg2 Bxg2+ 0-1

[Event "Ruhrgebiet VK1 0304"]
[Site "Ruhrgebiet"]
[Date "2003.10.19"]
[Round "2.8"]
[White "Guth, Gerd Volker"]
[Black "Heyden, Jonas"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1809"]
[BlackElo "1697"]
[PlyCount "107"]
[EventDate "2003.09.28"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]
[WhiteTeam "Altenessen"]
[BlackTeam "Brackel III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. e3 Nf6 3. Nd2 e6 4. a3 c5 5. dxc5 Bxc5 6. b4 Be7 7. Bb2 0-0 8. Ngf3 Nbd7 9. c4 b6 10. Be2 Bb7 11. 0-0 Rc8 12. Rc1 Re8 13. Qa4 a6 14. cxd5 b5 15. Qd1 Nxd5 16. Nb3 Bf6 17. Bxf6 Qxf6 18. Qd4 Qxd4 19. Nfxd4 Nc3 20. Rc2 Be4 21. Rd2 e5 22. Bg4 exd4 23. Bxd7 d3 24. Bxe8 Rxe8 25. Nc5 Bd5 26. Rxd3 Ne2+ 27. Kh1 Bc4 28. Rd6 Ng3+ 29. hxg3 Bxf1 30. Rxa6 g6 31. Kh2 Rd8 32. g4 Be2 33. Kg3 Rd5 34. Ne4 Rd8 35. Rb6 Ra8 36. Nc3 Bc4 37. Nxb5 Bxb5 38. Rxb5 Rxa3 39. g5 Rb3 40. Kf3 Rb2 41. g4 Kg7 42. Rb8 h6 43. gxh6+ Kxh6 44. Kg3 Rb3 45. Kf4 Rb2 46. f3 Rb3 47. g5+ Kg7 48. Ke4 Kh7 49. f4 Kg7 50. Kd4 Rb1 51. Kc5 Rc1+ 52. Kb6 Rc3 53. Re8 Rb3 54. b5 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2003.08.10"]
[Round "9"]
[White "Winkler, Harald"]
[Black "Heyden, Jonas"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "1400"]
[BlackElo "1705"]
[PlyCount "122"]
[EventDate "2003.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. g3 Nf6 4. Bg2 Bf5 5. Nc3 e6 6. Bg5 Nbd7 7. Nf3 h6 8. Bxf6 Nxf6 9. 0-0 Bd6 10. Nd2 0-0 11. Re1 e5 12. e3 Qd7 13. cxd5 exd4 14. dxc6 bxc6 15. exd4 Bb4 16. a3 Ba5 17. b4 Bb6 18. Nb3 Rad8 19. Ne4 Bxd4 20. Nxd4 Bxe4 21. Bxe4 Qxd4 22. Qxd4 Rxd4 23. Bxc6 Rd2 24. Bf3 Rc8 25. Re2 Rcc2 26. Rxd2 Rxd2 27. Rd1 Ra2 28. Rd3 g5 29. h3 Kg7 30. Bc6 Kg6 31. a4 Ng8 32. Rd7 a6 33. Ra7 Rb2 34. b5 axb5 35. axb5 h5 36. Rb7 Kf6 37. Rb8 Ne7 38. Bg2 Nf5 39. b6 Nd6 40. b7 Rb3 41. Rh8 Nxb7 42. Rxh5 Nd6 43. Rh8 Kg7 44. Rd8 Rb6 45. Ra8 Rb1+ 46. Kh2 Rb2 47. f3 Nc4 48. Re8 f5 49. f4 g4 50. hxg4 fxg4 51. Re1 Nd2 52. Kg1 Nf3+ 53. Bxf3 gxf3 54. Re3 Rg2+ 55. Kf1 Rxg3 56. Kf2 Rg6 57. Kxf3 Ra6 58. f5 Kf6 59. Kf4 Rb6 60. Re4 Ra6 61. Kg4 Rb6 1/2-1/2

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2003.08.09"]
[Round "8"]
[White "Seifert, Christopher"]
[Black "Heyden, Jonas"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1476"]
[BlackElo "1705"]
[PlyCount "81"]
[EventDate "2003.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bg5 Qe7 7. f3 Qe5 8. Bxf6 Qxf6 9. Nde2 Ne5 10. Qd4 Bxc3+ 11. Qxc3 0-0 12. 0-0-0 a5 13. f4 Ng4 14. Qf3 Qg6 15. h3 Nf6 16. Nc3 d6 17. g4 Nd7 18. Nd5 Qh6 19. g5 Qe6 20. Nxc7 Qxa2 21. Nxa8 Qa1+ 22. Kd2 Qxb2 23. Qc3 Qa2 24. Qb3 Qxb3 25. cxb3 Nc5 26. Bg2 Nxb3+ 27. Kc3 Nc5 28. Nb6 Re8 29. Rxd6 Be6 30. Rhd1 Kf8 31. Rd8 a4 32. Rxe8+ Kxe8 33. Ra1 Bb3 34. f5 Kd8 35. Kb4 Nd3+ 36. Ka3 Nc5 37. Rc1 Nd3 38. Rc8+ Ke7 39. Nxa4 Bxa4 40. Kxa4 b6 41. Rc6 1-0

