[Event "GER-chT U12"]
[Site "Arendsee"]
[Date "2009.12.30"]
[Round "7.3"]
[White "Paschold, Gerry"]
[Black "Heidelberger, Colin"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1358"]
[BlackElo "1508"]
[PlyCount "44"]
[EventDate "2009.12.27"]
[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 BSG Chemie U12"]
[BlackTeam "Dresden USV TU U12"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Nc6 6. c3 Nge7 7. 0-0 Bg4 8. Nbd2 Qd7 9. Re1 0-0-0 10. b4 Rde8 11. b5 Nd8 12. Qa4 Kb8 13. Ne5 Bxe5 14. Rxe5 Ng6 15. Rxe8 Rxe8 16. Ba3 Nf4 17. Bf1 Be2 18. Qb3 Qg4 19. g3 Bxf1 20. Rxf1 Re2 21. Qd1 Nde6 22. f3 Rg2+ 0-1

[Event "GER-chT U12"]
[Site "Arendsee"]
[Date "2009.12.29"]
[Round "6.3"]
[White "Heidelberger, Colin"]
[Black "Braun, Kristin"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1508"]
[BlackElo "1335"]
[PlyCount "97"]
[EventDate "2009.12.27"]
[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 USV TU U12"]
[BlackTeam "Forchheim SC U12"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Bg4 4. Be2 Bxf3 5. Bxf3 Nxd5 6. c4 Nf4 7. d4 e5 8. Bxf4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 c6 11. dxe5 Qxd2+ 12. Nxd2 Nd7 13. 0-0 0-0-0 14. Bg4 Rhe8 15. Bxd7+ Rxd7 16. Nf3 h6 17. Rad1 Rde7 18. Rfe1 g5 19. h3 c5 20. Rd5 b6 21. b3 f6 22. Kf1 f5 23. g4 f4 24. Rd6 Kc7 25. Rxh6 a6 26. Rd1 Re6 27. Rxe6 Rxe6 28. Rd6 Rxd6 29. exd6+ Kxd6 30. Ke2 b5 31. Nxg5 Ke5 32. Nf3+ Kf6 33. Kd3 b4 34. Ke4 Ke6 35. Kxf4 Kf6 36. h4 a5 37. g5+ Kg6 38. h5+ Kh7 39. Kf5 Kg7 40. h6+ Kh7 41. Kf6 Kg8 42. g6 Kh8 43. g7+ Kg8 44. h7+ Kxh7 45. Kf7 a4 46. bxa4 b3 47. axb3 Kh6 48. g8Q Kh5 49. Qg5# 1-0

[Event "GER-chT U12"]
[Site "Arendsee"]
[Date "2009.12.29"]
[Round "5.3"]
[White "Kramer, Julian"]
[Black "Heidelberger, Colin"]
[Result "1/2-1/2"]
[ECO "C14"]
[WhiteElo "1409"]
[BlackElo "1508"]
[PlyCount "82"]
[EventDate "2009.12.27"]
[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 U12"]
[BlackTeam "Dresden USV TU U12"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3 c5 9. Be2 Nc6 10. Qd2 b5 11. Nd1 0-0 12. c3 Rd8 13. 0-0 Na5 14. Ne3 Nc4 15. Bxc4 bxc4 16. f5 f6 17. fxe6 Qxe6 18. exf6 Nxf6 19. Ng5 Qd6 20. Qc2 g6 21. Rae1 Rf8 22. Rf2 Kg7 23. Rfe2 Ra7 24. Nf3 cxd4 25. cxd4 Ne4 26. Nd2 Bf5 27. Nxf5+ gxf5 28. Nxe4 fxe4 29. Rf2 Raf7 30. Ref1 Qg6 31. Qe2 Rxf2 32. Rxf2 Rxf2 33. Qxf2 Qg4 34. Qe1 Kf7 35. h3 Qg5 36. Qc3 Ke6 37. b3 cxb3 38. axb3 e3 39. Qc6+ Kf7 40. Qd7+ Kg6 41. Qe8+ Kf6 1/2-1/2

[Event "GER-chT U12"]
[Site "Arendsee"]
[Date "2009.12.28"]
[Round "4.3"]
[White "Heidelberger, Colin"]
[Black "Wastian, Jan"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1508"]
[BlackElo "1479"]
[PlyCount "57"]
[EventDate "2009.12.27"]
[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 USV TU U12"]
[BlackTeam "Brackel SF U12"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 g6 5. e5 Qb6 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Bc5 9. Na4 Qa5+ 10. c3 Be7 11. Bb5+ Bd7 12. Bxd7+ Nxd7 13. 0-0 b5 14. b4 Qxa4 15. Qe2 Qa6 16. Nxb5 Qb6+ 17. Be3 Qc6 18. Nxa7 Qc4 19. Qxc4 dxc4 20. a4 Nh6 21. a5 0-0 22. Rfb1 Nf5 23. Nc6 Rfc8 24. Nxe7+ Nxe7 25. g3 Nd5 26. Bd4 Nc7 27. b5 Rcb8 28. b6 Na6 29. b7 1-0

[Event "GER-chT U12"]
[Site "Arendsee"]
[Date "2009.12.28"]
[Round "3.3"]
[White "Reiss, Michael1111"]
[Black "Heidelberger, Colin"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1563"]
[BlackElo "1508"]
[PlyCount "98"]
[EventDate "2009.12.27"]
[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 U12"]
[BlackTeam "Dresden USV TU U12"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bf4 Nc6 5. Nc3 Nf6 6. Nb5 Bd6 7. Nxd6+ cxd6 8. f3 0-0 9. Qd2 a6 10. 0-0-0 b5 11. g4 b4 12. h4 a5 13. h5 Nxg4 14. fxg4 Bxg4 15. Be2 Bxe2 16. Nxe2 a4 17. Kb1 Rb8 18. Rdg1 Kh8 19. Ng3 Ne7 20. Qg2 Rg8 21. Bg5 f6 22. Bh4 b3 23. cxb3 axb3 24. a3 Rc8 25. Rc1 Rxc1+ 26. Rxc1 Qd7 27. Qf3 Qe6 28. Nf1 Nf5 29. Bf2 Rc8 30. Qxb3 Nxd4 31. Qd3 Qf5 32. Qxf5 Nxf5 33. a4 Kg8 34. Ng3 Nxg3 35. Bxg3 Ra8 36. b3 Ra6 37. Rd1 Kf7 38. Rxd5 Ke6 39. Rb5 g5 40. hxg6 hxg6 41. a5 g5 42. Kc2 f5 43. b4 f4 44. Rxg5 fxg3 45. Rxg3 Kd5 46. Kc3 Kc6 47. Rg5 d5 48. Rg6+ Kb7 49. Rxa6 Kxa6 1-0

[Event "GER-chT U12"]
[Site "Arendsee"]
[Date "2009.12.27"]
[Round "1.3"]
[White "Heidelberger, Colin"]
[Black "Wefers, Simon"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1508"]
[BlackElo "1015"]
[PlyCount "37"]
[EventDate "2009.12.27"]
[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 USV TU U12"]
[BlackTeam "Ahlen SV U12"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 Be7 8. 0-0 0-0 9. Be3 b6 10. c4 Bb7 11. b3 Qd7 12. Ne5 Qd8 13. Rc1 Nd7 14. f4 f6 15. Qh5 h6 16. Qg6 fxe5 17. Qh7+ Kf7 18. Bg6+ Kf6 19. fxe5# 1-0

[Event "GER-chT U12"]
[Site "Arendsee"]
[Date "2009.12.27"]
[Round "2.3"]
[White "Lagunow, Raphael"]
[Black "Heidelberger, Colin"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "1646"]
[BlackElo "1508"]
[PlyCount "90"]
[EventDate "2009.12.27"]
[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 "Berlin TuS Makkabi U12"]
[BlackTeam "Dresden USV TU U12"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Qc7 11. 0-0 Bd6 12. a3 0-0 13. Bd2 Bd7 14. Rc1 Rae8 15. Nc3 a6 16. b4 Qb8 17. b5 axb5 18. Nxb5 Bf4 19. Bxf4 Qxf4 20. Nc3 Qd6 21. Nb5 Qf4 22. Qd2 Qxd2 23. Nxd2 Ra8 24. Nb3 b6 25. Ra1 Ra4 26. Nc3 Raa8 27. Rfe1 Ne8 28. Bb5 Nc7 29. Bxc6 Bxc6 30. a4 Rf6 31. a5 bxa5 32. Rxa5 Rxa5 33. Nxa5 Nb5 34. Nxc6 Nxc3 35. Nd8 Ne4 36. f3 Ng5 37. h4 Nf7 38. Nxe6 Nd6 39. Nc7 Rf4 40. Rd1 Rxh4 41. Nxd5 Rh5 42. Nf4 Rf5 43. Nd3 Nb5 44. Ne5 Nxd4 45. Rxd4 Rxe5 1/2-1/2

[Event "Sachsen-ch U12"]
[Site "Sebnitz"]
[Date "2009.04.17"]
[Round "7"]
[White "Heidelberger, Colin"]
[Black "Kieslich, Aaron"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1411"]
[BlackElo "1505"]
[PlyCount "110"]
[EventDate "2009.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 Bc5 6. 0-0 d6 7. Bb3 0-0 8. Nbd2 Be6 9. Bc2 Re8 10. Re1 d5 11. Qe2 Qd7 12. h3 Rad8 13. Nf1 a6 14. Ng3 b5 15. b4 Bb6 16. a4 dxe4 17. Nxe4 Nxe4 18. Qxe4 Bf5 19. Qe2 Bxd3 20. Bxd3 Qxd3 21. Qxd3 Rxd3 22. a5 Ba7 23. Bf4 f6 24. Rac1 Red8 25. Bg3 Ne7 26. c4 Nf5 27. Kh2 Rc8 28. cxb5 axb5 29. Rc6 Rd6 30. Rec1 Rxc6 31. Rxc6 Nd4 32. Nxd4 Bxd4 33. Kg1 Kf7 34. Kf1 Ke7 35. f3 Kd7 36. Rc2 c5 37. bxc5 Rxc5 38. Rxc5 Bxc5 39. Ke2 Kc6 40. Be1 Kb7 41. Kd3 Ka6 42. Bd2 Be7 43. Kc2 b4 44. Kb3 Kxa5 45. g4 Kb5 46. Be1 g6 47. Bd2 h5 48. Be3 hxg4 49. hxg4 f5 50. gxf5 gxf5 51. Bd2 Bd6 52. Be3 f4 53. Bd2 e4 54. fxe4 f3 55. Be3 Bc5 0-1

[Event "Sachsen-ch U12"]
[Site "Sebnitz"]
[Date "2009.04.17"]
[Round "6"]
[White "Kreyssig, Robert"]
[Black "Heidelberger, Colin"]
[Result "1-0"]
[ECO "E87"]
[WhiteElo "1622"]
[BlackElo "1411"]
[PlyCount "77"]
[EventDate "2009.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Nh5 8. Qd2 f5 9. exf5 gxf5 10. Bd3 Nf6 11. Nge2 c6 12. 0-0 Na6 13. Rac1 Nc7 14. Bb1 Qe7 15. Bg5 Bd7 16. Ng3 f4 17. Nge4 Rad8 18. Rfe1 h6 19. Nxf6+ Bxf6 20. Bxh6 Bg7 21. Bxf4 c5 22. Bg5 Bf6 23. Bxf6 Qxf6 24. Qd3 Qf5 25. Qxf5 Bxf5 26. Bxf5 Rxf5 27. Ne4 Ne8 28. Kf2 Rd7 29. Rh1 Rdf7 30. Ke2 Kf8 31. g3 Ke7 32. Rcf1 b6 33. g4 Rf4 34. h4 Ng7 35. h5 Rf8 36. h6 Ne8 37. g5 a6 38. Rh3 a5 39. Rg1 1-0

[Event "Sachsen-ch U12"]
[Site "Sebnitz"]
[Date "2009.04.16"]
[Round "5"]
[White "Nobis, Philipp"]
[Black "Heidelberger, Colin"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1447"]
[BlackElo "1411"]
[PlyCount "120"]
[EventDate "2009.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. Bc2 cxd4 8. cxd4 Nb4 9. Bb3 Bb5 10. Ba4 Rc8 11. Nc3 Bxa4 12. Qxa4+ Qc6 13. Qd1 Qa6 14. Qe2 Qxe2+ 15. Kxe2 a6 16. a3 Nc6 17. Re1 Nge7 18. Kf1 Nf5 19. Be3 Be7 20. Rac1 0-0 21. Na4 Nxe3+ 22. Rxe3 Na5 23. Rec3 Rxc3 24. Rxc3 b5 25. Nc5 Rc8 26. Nxa6 Rxc3 27. bxc3 Bxa3 28. Ke2 Kf8 29. Kd3 Ke7 30. Kc2 h6 31. Nd2 Nc6 32. Nb1 b4 33. Nxa3 bxa3 34. Kb3 Na5+ 35. Kxa3 Kd7 36. Nc5+ Kc6 37. Kb4 Nc4 38. Nd3 Nd2 39. Nb2 Ne4 40. f3 Nd2 41. c4 Nf1 42. c5 Nxh2 43. Nd3 Nf1 44. Ka5 Ne3 45. g4 g6 46. Nb4+ Kb7 47. Nd3 Nc2 48. f4 Nxd4 49. Kb4 h5 50. gxh5 gxh5 51. Kc3 Nf3 52. Nf2 Kc6 53. Kb4 Nd4 54. Nh3 Ne2 55. f5 exf5 56. Ng5 h4 57. Nxf7 Nd4 58. Nd8+ Kd7 59. e6+ Kxd8 60. c6 Nxc6+ 0-1

[Event "Sachsen-ch U12"]
[Site "Sebnitz"]
[Date "2009.04.15"]
[Round "4"]
[White "Heidelberger, Colin"]
[Black "Peil, Christoph"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1411"]
[BlackElo "1787"]
[PlyCount "84"]
[EventDate "2009.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 d5 4. e5 Nc6 5. Nf3 a6 6. g3 Nh6 7. Bg2 Be7 8. 0-0 0-0 9. d3 Rb8 10. Bd2 b5 11. Qe2 a5 12. Nd1 Qb6 13. Nf2 Nb4 14. c3 Nc6 15. Rab1 b4 16. Qd1 Ba6 17. Kh1 Bb5 18. a4 bxa3 19. bxa3 Qa6 20. Be3 a4 21. Re1 d4 22. cxd4 cxd4 23. Nxd4 Nxd4 24. Bxd4 Rfd8 25. Be3 Bxa3 26. Qd2 Nf5 27. Red1 Rbc8 28. Be4 Nxe3 29. Qxe3 Bc5 30. d4 Ba7 31. Qd2 Rxd4 32. Qb2 Rxd1+ 33. Rxd1 Bc6 34. Bxc6 Qxc6+ 35. Kg1 Qf3 36. Rd2 Be3 37. Re2 Rc1+ 38. Qxc1 Bxc1 39. Rc2 g6 40. Rxc1 a3 41. Ra1 Qb3 42. Nd1 a2 0-1

[Event "Sachsen-ch U12"]
[Site "Sebnitz"]
[Date "2009.04.15"]
[Round "2"]
[White "Heidelberger, Colin"]
[Black "Schmuecker, Felix"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1411"]
[BlackElo "1540"]
[PlyCount "112"]
[EventDate "2009.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. d4 g6 5. Be2 Bg7 6. 0-0 0-0 7. Re1 Bg4 8. h3 Bxf3 9. Bxf3 c6 10. c3 e6 11. Nd2 Nd7 12. Nc4 Qc7 13. Bg5 b5 14. Ne3 N7f6 15. Bxd5 cxd5 16. Bxf6 Bxf6 17. Qf3 Bg7 18. Ng4 Rfc8 19. Ne5 Bxe5 20. Rxe5 Rab8 21. Rc1 Qa5 22. a3 b4 23. c4 bxa3 24. bxa3 Qa4 25. Qe3 Rxc4 26. Rxc4 Qxc4 27. g3 Rb1+ 28. Kg2 Qf1+ 29. Kf3 Qxh3 30. a4 Qh1+ 31. Kf4 Qc1 32. Qxc1 Rxc1 33. Re3 Ra1 34. Rc3 Rxa4 35. Ke5 Rc4 36. Rb3 Kg7 37. f4 a5 38. g4 Rc6 39. f5 f6+ 40. Kf4 g5+ 41. Kf3 exf5 42. gxf5 Rc7 43. Rb5 a4 44. Rxd5 Ra7 45. Rc5 a3 46. Rc1 a2 47. Ra1 h5 48. d5 Kf8 49. d6 Ke8 50. Re1+ Kd8 51. Ra1 Kd7 52. Kg3 Ra4 53. Kh3 Ra3+ 54. Kg2 Kxd6 55. Kf2 Kc5 56. Ke2 Kb4 0-1

[Event "Sachsen-ch U12"]
[Site "Sebnitz"]
[Date "2009.04.15"]
[Round "3"]
[White "Thamm, Merlin Jannes"]
[Black "Heidelberger, Colin"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1257"]
[BlackElo "1411"]
[PlyCount "92"]
[EventDate "2009.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Nc6 6. c3 Nge7 7. 0-0 Bg4 8. Re1 Qd7 9. Nbd2 0-0-0 10. b4 h6 11. a4 g5 12. b5 Na5 13. Be2 Ng6 14. Nb3 Nxb3 15. Qxb3 Bf4 16. a5 Bxc1 17. Raxc1 f6 18. b6 a6 19. Bxa6 bxa6 20. c4 Ne7 21. Rxe7 Qxe7 22. cxd5 Rd7 23. Qc4 Kb7 24. Qc6+ Kb8 25. Rb1 cxb6 26. Rxb6+ Rb7 27. d6 Rxb6 28. axb6 Bxf3 29. gxf3 Qb7 30. d5 Rc8 31. Qxb7+ Kxb7 32. d7 Rd8 33. d6 Rxd7 34. Kg2 a5 35. f4 Rxd6 36. f3 a4 37. Kg3 a3 38. Kg4 a2 39. Kh5 gxf4 40. h4 a1Q 41. Kg6 f5+ 42. Kh5 Rd5 43. Kg6 Qe5 44. Kh5 Qe8+ 45. Kxh6 Rd6+ 46. Kg7 Rg6+ 0-1

[Event "Sachsen-ch U12"]
[Site "Sebnitz"]
[Date "2009.04.14"]
[Round "1"]
[White "Merkel, Toni"]
[Black "Heidelberger, Colin"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1131"]
[BlackElo "1411"]
[PlyCount "120"]
[EventDate "2009.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. Bc2 cxd4 8. cxd4 Be7 9. 0-0 f6 10. a3 Rc8 11. b4 a5 12. bxa5 Nxa5 13. Be3 Qb2 14. Nc3 Qxc3 15. Ba4 Bc6 16. Bd2 Qc4 17. Bxc6+ Nxc6 18. Rc1 Qb5 19. a4 Qa6 20. Qb3 Rb8 21. Rb1 Bd8 22. Rfc1 h6 23. Qc2 Kf7 24. Nh4 Nge7 25. Nf3 Nf5 26. Bf4 Nfxd4 27. Nxd4 Nxd4 28. Qd1 Ne2+ 29. Kh1 Nxf4 30. exf6 gxf6 31. g3 Nd3 32. Qh5+ Ke7 33. Rf1 Rc8 34. Qd1 Bb6 35. Kg2 Nxf2 36. Rxf2 Bxf2 37. Kxf2 Qc6 38. Kg1 h5 39. h4 Rhg8 40. Qe1 Qc5+ 41. Kh2 Qc2+ 42. Kh3 Qf5+ 43. Kh2 Rc2+ 44. Kg1 Rc7 45. Qb4+ Kf7 46. Qe1 Qh3 47. Rb3 Qxh4 48. Kf1 Qc4+ 49. Qe2 Qxe2+ 50. Kxe2 e5 51. Kf2 d4 52. Kf3 Rc3+ 53. Rxc3 dxc3 54. Ke2 Rxg3 55. Kd1 Rg2 56. a5 h4 57. Ke1 c2 58. Kf1 h3 59. Ke1 e4 60. Kf1 c1R# 0-1

[Event "GER-chT U12"]
[Site "Leipzig"]
[Date "2008.12.29"]
[Round "6"]
[White "Imgrunt, Philipp"]
[Black "Heidelberger, Colin"]
[Result "0-1"]
[ECO "C06"]
[PlyCount "74"]
[EventDate "2008.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Ettlingen U12"]
[BlackTeam "Dresden USV TU U12"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 f6 8. exf6 Nxf6 9. 0-0 Bd6 10. Nc3 a6 11. Re1 0-0 12. Rb1 Qc7 13. Bg5 Qf7 14. a3 b5 15. b4 Bb7 16. Qc2 Kh8 17. Bxf6 gxf6 18. Qe2 Rae8 19. Qd2 Qg7 20. Bf1 Rg8 21. Re2 Re7 22. Rbe1 Qg4 23. Kh1 Rge8 24. Qh6 Qg6 25. Qxg6 hxg6 26. Rd2 Bf4 27. Rdd1 Rd8 28. Nh4 Kg7 29. Bd3 f5 30. Bc2 Kf7 31. Nf3 e5 32. g3 exd4 33. Rxe7+ Kxe7 34. Nxd4 Nxd4 35. Rxd4 Be5 36. Rd3 Bxc3 37. Rxc3 d4+ 0-1

[Event "GER-chT U12"]
[Site "Leipzig"]
[Date "2008.12.28"]
[Round "3"]
[White "Heidelberger, Colin"]
[Black "Allin, Alexander"]
[Result "0-1"]
[ECO "C79"]
[PlyCount "86"]
[EventDate "2008.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Dresden USV TU U12"]
[BlackTeam "Erfurt Empor U12"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. 0-0 d6 7. c3 Nxb3 8. axb3 Nf6 9. Re1 Be7 10. d4 Nd7 11. c4 Bb7 12. Nc3 exd4 13. Nxd4 c5 14. Nf5 b4 15. Nd5 Bxd5 16. exd5 Ne5 17. Nxg7+ Kd7 18. f4 Ng6 19. Qg4+ Kc7 20. Nf5 Qd7 21. Nh6 Qxg4 22. Nxg4 h5 23. Ne3 Bf6 24. Nf5 Rae8 25. Rxe8 Rxe8 26. Kf2 Ra8 27. Ra2 a5 28. Nh6 Bd4+ 29. Kf3 f6 30. g3 Ne7 31. g4 Rh8 32. Nf5 Nxf5 33. gxf5 Kb6 34. Be3 Bxe3 35. Kxe3 Rg8 36. Ra1 Rg2 37. Rb1 Rxh2 38. Kd3 Rh3+ 39. Kc2 h4 40. Rf1 Rg3 41. Rf2 h3 42. Kb1 Rg2 43. Rf1 h2 0-1

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2007.06.01"]
[Round "11"]
[White "Heidelberger, Colin"]
[Black "Lampert, Jonas"]
[Result "1/2-1/2"]
[ECO "C80"]
[WhiteElo "1415"]
[BlackElo "1653"]
[PlyCount "100"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. c3 Nxe4 7. Re1 Nc5 8. Bxc6 dxc6 9. Nxe5 0-0 10. d4 Nd7 11. Bf4 Nb6 12. Nd2 Nd5 13. Bg3 f5 14. f3 c5 15. Nb3 cxd4 16. Qxd4 c6 17. Rad1 Nf6 18. Nxc6 bxc6 19. Qc4+ Nd5 20. Qxc6 Qb6+ 21. Qxb6 Nxb6 22. Rxe7 Nc4 23. Rb1 f4 24. Bf2 Bf5 25. Rbe1 Nxb2 26. Bd4 Rf7 27. Re8+ Rxe8 28. Rxe8+ Rf8 29. Rxf8+ Kxf8 30. Be5 Nd3 31. Bd6+ Kf7 32. Nc5 Nxc5 33. Bxc5 Be6 34. a3 a5 35. Kf2 a4 36. g3 fxg3+ 37. hxg3 Bc4 38. Ke3 Ke6 39. Kd4 Bd5 40. f4 g6 41. Bf8 Bc6 42. c4 Kd7 43. Ke5 h5 44. c5 Bf3 45. Bd6 Kc6 46. Kd4 Bd1 47. Kc4 Bb3+ 48. Kd4 Bd1 49. Ke5 Bc2 50. Kd4 Bd1 1/2-1/2

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2007.06.01"]
[Round "9"]
[White "Heidelberger, Colin"]
[Black "Xiong, Ferdinand"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1415"]
[BlackElo "1346"]
[PlyCount "116"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 a6 6. Bf1 e6 7. g3 b5 8. Bg2 Rb8 9. 0-0 Nge7 10. d3 0-0 11. Be3 Bb7 12. Bxc5 d6 13. Be3 Qd7 14. Rb1 Rfc8 15. d4 Na5 16. e5 d5 17. Nd2 Nc4 18. Nxc4 Rxc4 19. Rf2 Rbc8 20. Bf1 R4c7 21. Rd2 Nc6 22. a3 Na5 23. Rc1 Nc4 24. Bxc4 Rxc4 25. Ne2 Qc7 26. Kg2 a5 27. Nc3 Ba6 28. Bf2 Rc6 29. Be1 b4 30. axb4 axb4 31. Ne2 Bxe2 32. Qxe2 b3 33. Rd3 Rxc2 34. Rxc2 Qxc2 35. Rd2 Qc6 36. Rd3 Qc2 37. Kf1 Qc4 38. Rc3 Qxe2+ 39. Kxe2 Rb8 40. Kd3 Kf8 41. Rc7 Ke8 42. Ba5 Bf8 43. Kc3 h5 44. Ra7 Be7 45. Bc7 Rb5 46. h4 Bb4+ 47. Kxb3 Be1+ 48. Kc2 Bxg3 49. Bd6 Bxh4 50. Re7+ Bxe7 51. Bxe7 Kxe7 52. Kc3 h4 53. Kc2 h3 54. b3 h2 55. Kc3 h1Q 56. Kb2 Qd1 57. f5 Rxb3+ 58. Ka2 Qb1# 0-1

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2007.06.01"]
[Round "10"]
[White "Sawlin, Leonid"]
[Black "Heidelberger, Colin"]
[Result "0-1"]
[ECO "E87"]
[WhiteElo "1225"]
[BlackElo "1415"]
[PlyCount "68"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 a5 8. Qd2 Na6 9. Bh6 Nc5 10. g4 Ne8 11. Bxg7 Nxg7 12. Qh6 Qf6 13. Nh3 Ne8 14. Ng5 Qg7 15. Qxg7+ Kxg7 16. h4 h6 17. Nh3 Bd7 18. h5 Nf6 19. hxg6 fxg6 20. g5 hxg5 21. Nxg5 Rh8 22. 0-0-0 Rxh1 23. Kc2 Rh5 24. Ne6+ Bxe6 25. dxe6 Nxe6 26. Nd5 Nxd5 27. cxd5 Nd4+ 28. Kc3 Nxf3 29. Be2 Rh3 30. Rd3 Rf8 31. Bf1 Rg3 32. Be2 g5 33. Kc2 Nd4+ 34. Kd2 Nxe2 0-1

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2007.05.30"]
[Round "8"]
[White "Bardosch, Karl"]
[Black "Heidelberger, Colin"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "935"]
[BlackElo "1415"]
[PlyCount "170"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Nf6 5. Bd3 Bd6 6. Qe2+ Be7 7. Be3 Bg4 8. f3 Bh5 9. 0-0-0 Nc6 10. a3 Qd7 11. g4 Bg6 12. g5 Ng8 13. Qd2 0-0-0 14. Nge2 f6 15. f4 Bf7 16. Ng3 g6 17. h4 fxg5 18. fxg5 h5 19. Rdf1 Rf8 20. Rf3 Bd6 21. Bf1 Be6 22. Rxf8+ Bxf8 23. Bd3 Bd6 24. Qf2 Nge7 25. Nb5 a6 26. Nxd6+ Qxd6 27. Bf4 Qd7 28. Re1 Rf8 29. Qe3 Bg4 30. Be5 Rf3 31. Qg1 Rf7 32. Rf1 Rxf1+ 33. Qxf1 Nxe5 34. dxe5 Qe6 35. Qf8+ Kd7 36. Qf2 Qxe5 37. b3 Qa1+ 38. Kd2 Qxa3 39. Qd4 Qd6 40. Ne2 a5 41. Qa4+ Nc6 42. Nd4 Qf4+ 43. Kc3 Qxd4+ 44. Qxd4 Nxd4 45. Kxd4 Kd6 46. Bxg6 c6 47. Bd3 b6 48. c4 c5+ 49. Kc3 d4+ 50. Kb2 Bf3 51. Ka3 Bc6 52. Bg6 Ke5 53. Bxh5 Kf5 54. g6 Kf6 55. Kb2 Be4 56. Ka3 Bxg6 57. Be2 Be8 58. h5 Kg5 59. Bd1 Bxh5 60. Bxh5 Kxh5 61. Kb2 Kg5 62. Kc2 Kf4 63. Kd2 Ke4 64. Kd1 Kd3 65. Kc1 Kc3 66. Kd1 Kxb3 67. Kd2 Kxc4 68. Kc2 b5 69. Kb2 d3 70. Kc1 Kb3 71. Kd2 c4 72. Kc1 c3 73. Kd1 d2 74. Ke2 Kc2 75. Ke3 d1Q 76. Ke4 a4 77. Kf4 a3 78. Ke3 a2 79. Ke4 a1R 80. Ke3 Ra4 81. Kf2 Rf4+ 82. Kg3 Qf3+ 83. Kh2 Qg4 84. Kh1 Rf8 85. Kh2 Rh8# 0-1

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2007.05.30"]
[Round "7"]
[White "Heidelberger, Colin"]
[Black "Wolff, Christopher"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1415"]
[BlackElo "1238"]
[PlyCount "74"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. f4 b5 4. Nf3 Bb7 5. d3 b4 6. Ne2 d5 7. e5 e6 8. g3 Be7 9. Bg2 h5 10. c3 a5 11. d4 c4 12. Be3 Nh6 13. Bf2 Nf5 14. Qd2 Nd7 15. 0-0 g6 16. Rab1 Rb8 17. Be1 Ba6 18. Bf2 Kf8 19. Bh3 Nh6 20. Rfe1 Kg7 21. Kg2 Qc7 22. Kg1 Ra8 23. Nc1 Rhb8 24. Ne2 Rb7 25. Qc2 Rab8 26. Kf1 Qc6 27. Kg1 Nb6 28. Nd2 Na4 29. Be3 bxc3 30. bxc3 Rxb1 31. Rxb1 Rxb1+ 32. Qxb1 Qb5 33. Kf2 Qxb1 34. Nxb1 Kf8 35. Bc1 Ke8 36. Ke1 Kd7 37. Kd2 Kc6 1/2-1/2

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2007.05.29"]
[Round "6"]
[White "Berkov, Mikhail"]
[Black "Heidelberger, Colin"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "1250"]
[BlackElo "1415"]
[PlyCount "117"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 c6 5. cxd5 cxd5 6. Nc3 Nf6 7. Nf3 Nc6 8. Bb5 Bd6 9. Bg5 a6 10. Ba4 Be6 11. Bb3 Be7 12. h3 0-0 13. Ne5 Qb6 14. Be3 Rfd8 15. 0-0 Na5 16. Na4 Qb5 17. Nc3 Qb4 18. Nd3 Qb6 19. Na4 Qc7 20. Rc1 Nc6 21. Ne5 Rac8 22. Bf4 Bd6 23. f3 Qe7 24. Nb6 Rc7 25. Nxc6 Rxc6 26. Rxc6 bxc6 27. Bxd6 Qxd6 28. Na4 Qg3 29. Qe1 Qg6 30. Kh2 Re8 31. Qg3 Qd3 32. Rd1 Qe2 33. Re1 Qd2 34. Rd1 Qb4 35. Qe1 Qb8+ 36. Qg3 Qb5 37. Nc3 Qb4 38. h4 Nh5 39. Qg5 Qd6+ 40. g3 Nf6 41. Qe5 Qd7 42. Qg5 h6 43. Qd2 Qd6 44. Qg2 Nh5 45. Bc2 Qb4 46. a3 Qb8 47. Na4 Kh8 48. b4 Nf6 49. Nc5 Qb6 50. Qd2 Nd7 51. Qd3 Nf6 52. Nxa6 Ra8 53. Nc5 Bc8 54. Ba4 Ba6 55. Nxa6 Rxa6 56. Bc2 Qa7 57. Ra1 Qb7 58. Re1 Qa8 59. Re3 1/2-1/2

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2007.05.28"]
[Round "3"]
[White "Heidelberger, Colin"]
[Black "Helle, Samuel"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1415"]
[BlackElo "1270"]
[PlyCount "79"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Nxd5 Qxd5 5. Nf3 e5 6. d4 e4 7. Ne5 c5 8. Bc4 Qxd4 9. Qxd4 cxd4 10. Nxf7 Bb4+ 11. Bd2 Bxd2+ 12. Kxd2 Rf8 13. Nd6+ Kd7 14. Nxe4 b6 15. f3 Bb7 16. Rae1 Nc6 17. Ng5 h6 18. Ne6 Rg8 19. Kd3 Nb4+ 20. Kd2 Rac8 21. Bb3 Nc6 22. Nf4 Rge8 23. Be6+ Rxe6 24. Nxe6 g5 25. a3 a5 26. f4 gxf4 27. Nxf4 Rf8 28. Rhf1 b5 29. Nd3 Rg8 30. Nc5+ Kc7 31. Rf7+ Kd6 32. Nxb7+ Kd5 33. g3 Ne5 34. Rf5 Re8 35. Nxa5 Re6 36. Nb3 Kd6 37. Kd1 d3 38. Nd4 dxc2+ 39. Kxc2 Re8 40. Nxb5+ 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2007.05.28"]
[Round "5"]
[White "Heidelberger, Colin"]
[Black "Knopf, Felix"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1415"]
[BlackElo "1188"]
[PlyCount "140"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 a6 5. g3 d6 6. Bg2 Be7 7. 0-0 Qc7 8. d3 Nf6 9. Be3 b5 10. a3 Bb7 11. Rc1 0-0 12. Nh4 Rfe8 13. f5 Bf8 14. Bg5 Nd7 15. Qg4 Nde5 16. Qe2 Nd4 17. Qd2 exf5 18. Nxf5 h6 19. Be3 Nxf5 20. Rxf5 Ng4 21. Rcf1 Ne5 22. Ne2 Bc8 23. R5f2 Be6 24. Nf4 Rad8 25. Nh5 Ng4 26. Rf4 Be7 27. R4f3 d5 28. exd5 Bxd5 29. Rf4 Nxe3 30. Qxe3 Bg5 31. Qf2 Bxf4 32. Nxf4 Bxg2 33. Kxg2 Re5 34. Nh5 Rxh5 35. Qf3 Re5 36. Kg1 Rde8 37. Qf4 Qe7 38. Qf2 Re2 39. Qf5 Rxc2 40. d4 Qe3+ 41. Kh1 Qe4+ 42. Qxe4 Rxe4 43. dxc5 Ree2 44. Rd1 Rxh2+ 45. Kg1 Rhg2+ 46. Kh1 Rh2+ 47. Kg1 Rcg2+ 48. Kf1 Rh1+ 49. Kxg2 Rxd1 50. Kf3 Rc1 51. b4 Kf8 52. Ke4 Ke7 53. Kd5 Rc3 54. Kc6 Rxg3 55. Kb7 Rxa3 56. c6 Rc3 57. c7 Kd7 58. Kxa6 Rxc7 59. Kxb5 f5 60. Ka6 f4 61. b5 f3 62. b6 Rc6 63. Ka7 f2 64. b7 Rc7 65. Ka8 Rxb7 66. Kxb7 f1Q 67. Kb6 Qc4 68. Kb7 Qb5+ 69. Ka8 Kc7 70. Ka7 Qa4# 0-1

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2007.05.28"]
[Round "4"]
[White "Srokovskiy, Andrea"]
[Black "Heidelberger, Colin"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1234"]
[BlackElo "1415"]
[PlyCount "60"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. Bb5 Qb6 6. Nc3 Bd7 7. Be3 a6 8. Bxc6 Bxc6 9. Rb1 Be7 10. 0-0 Bb5 11. Re1 Rc8 12. h3 f6 13. Bf4 cxd4 14. Qxd4 Bc5 15. Qd2 Bd7 16. Be3 Bxe3 17. Qxe3 Qxe3 18. Rxe3 Ke7 19. Rc1 Nh6 20. exf6+ gxf6 21. Nxd5+ Kf7 22. Nc3 Rhg8 23. Kh2 Rg7 24. Nd4 e5 25. Nb3 Bc6 26. Rg3 Rxg3 27. fxg3 Nf5 28. Na5 Nd4 29. Nb3 Nf5 30. Na5 Nd4 1/2-1/2

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2007.05.27"]
[Round "2"]
[White "Schoepe, Tobias"]
[Black "Heidelberger, Colin"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1239"]
[BlackElo "1415"]
[PlyCount "45"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 c4 7. Bc2 f6 8. 0-0 Bd7 9. Re1 Be7 10. Nbd2 f5 11. b3 cxb3 12. Nxb3 Qc7 13. Bd2 Rc8 14. Qe2 Ba3 15. Rab1 Nge7 16. h3 0-0 17. Ng5 h6 18. Nf3 Rf7 19. Nh4 g5 20. Nf3 Rg7 21. Nh2 Rf8 22. Qh5 Rh7 23. Ng4 1/2-1/2

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2007.05.26"]
[Round "1"]
[White "Heidelberger, Colin"]
[Black "Gayday, Alina"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "1415"]
[BlackElo "1024"]
[PlyCount "135"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Nxd4 Bd7 6. Nc3 g6 7. Be3 Bg7 8. Qd2 Nf6 9. a3 0-0 10. f3 Qe8 11. Bc4 Qe5 12. Ndb5 Na5 13. Be2 Bxb5 14. Nxb5 Nc6 15. c3 Rfc8 16. 0-0 a6 17. Nd4 Nxd4 18. Bxd4 Qh5 19. f4 Nxe4 20. Qc2 Bxd4+ 21. cxd4 Qd5 22. Bf3 Qxd4+ 23. Kh1 Re8 24. Rad1 Qe3 25. Rde1 Qxf4 26. Bxe4 Qe5 27. Qf2 Qg7 28. Bxb7 Rxe1 29. Rxe1 Rb8 30. Bxa6 Qxb2 31. Qxb2 Rxb2 32. h3 Ra2 33. Re3 Ra1+ 34. Kh2 c5 35. Rd3 h5 36. Bb5 Rb1 37. a4 Ra1 38. Rxd6 Ra3 39. Rd5 c4 40. Bxc4 Rxa4 41. Bb3 Rb4 42. Bc2 Rb2 43. Be4 Re2 44. Bf3 Re7 45. Kg3 Kg7 46. Rg5 Kh6 47. Rd5 g5 48. Rd6+ Re6 49. Rxe6+ fxe6 50. Be4 h4+ 51. Kg4 e5 52. Bf5 Kg7 53. Kxg5 Kf7 54. Kxh4 Kf6 55. Kg4 Kg7 56. h4 Kh6 57. h5 Kg7 58. g3 Kh6 59. Be4 Kg7 60. Kf5 Kh6 61. g4 Kg7 62. g5 Kg8 63. h6 Kh8 64. g6 Kg8 65. Kxe5 Kh8 66. Kf6 Kg8 67. h7+ Kh8 68. g7# 1-0

[Event "Sachsen-ch U10"]
[Site "Sebnitz"]
[Date "2007.04.14"]
[Round "7"]
[White "Richter, Leonard"]
[Black "Heidelberger, Colin"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1304"]
[BlackElo "1166"]
[PlyCount "128"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. f4 Bg7 4. Nf3 0-0 5. Bd3 d6 6. c3 Nbd7 7. Nbd2 Re8 8. 0-0 e5 9. Bc2 b6 10. f5 Bb7 11. fxg6 fxg6 12. Bb3+ Bd5 13. Bxd5+ Nxd5 14. Qb3 N7f6 15. dxe5 dxe5 16. e4 c6 17. exd5 cxd5 18. Re1 Qd6 19. c4 e4 20. Nd4 Ng4 21. Qa3 Bxd4+ 22. Kf1 Qf6+ 23. Ke2 Qf2+ 24. Kd1 Ne3+ 25. Rxe3 Qxe3 26. Qd6 Rad8 27. Qc6 Qg1+ 28. Kc2 e3 29. Nf3 Qxg2+ 30. Kb1 Qxf3 31. cxd5 Qe4+ 32. Qc2 Qxc2+ 33. Kxc2 Rxd5 34. Kd3 Bxb2+ 35. Kc4 Bxa1 36. Kxd5 e2 37. Bd2 e1Q 38. Bxe1 Rxe1 39. Kc6 Re2 40. a4 Rxh2 41. Kb7 Ra2 42. Kxa7 Bd4 43. Ka6 Rxa4+ 44. Kb5 Ra1 45. Kc4 Bc5 46. Kd5 h5 47. Ke4 h4 48. Kf4 h3 49. Kg3 Ra3+ 50. Kh2 g5 51. Kh1 g4 52. Kh2 b5 53. Kh1 b4 54. Kh2 b3 55. Kh1 b2 56. Kh2 g3+ 57. Kxh3 b1Q 58. Kg4 Qe4+ 59. Kg5 Ra6 60. Kh5 Qf5+ 61. Kh4 Ra4+ 62. Kxg3 Qd3+ 63. Kg2 Ra2+ 64. Kh1 Qf1# 0-1

[Event "Sachsen-ch U10"]
[Site "Sebnitz"]
[Date "2007.04.13"]
[Round "6"]
[White "Heidelberger, Colin"]
[Black "Lieber, Carl"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "1166"]
[BlackElo "1223"]
[PlyCount "56"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[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. Ba4 b5 5. Bb3 d6 6. 0-0 Bg4 7. c3 Nf6 8. Re1 Nh5 9. h3 Bd7 10. Nxe5 dxe5 11. Qxh5 Qf6 12. d3 Bc5 13. Rf1 0-0 14. Bg5 Qg6 15. Qxg6 hxg6 16. Nd2 a5 17. a3 Rfe8 18. Bd5 Ra6 19. b4 Ba7 20. Nf3 Be6 21. Bxe6 Rxe6 22. Rfe1 f6 23. Be3 Bxe3 24. Rxe3 Kf7 25. Kf1 axb4 26. cxb4 Nxb4 27. Ne1 Nc6 28. Nc2 Rd6 1/2-1/2

[Event "Sachsen-ch U10"]
[Site "Sebnitz"]
[Date "2007.04.13"]
[Round "5"]
[White "Peil, Christoph"]
[Black "Heidelberger, Colin"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "1478"]
[BlackElo "1166"]
[PlyCount "75"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 a5 8. 0-0 Na6 9. Bg5 h6 10. Be3 Nh5 11. a3 f5 12. b4 axb4 13. axb4 Bd7 14. Qb3 Kh8 15. c5 f4 16. Bxa6 Rxa6 17. Rxa6 bxa6 18. Bd2 Qe7 19. Qa3 Bc8 20. Qa5 Rf7 21. cxd6 cxd6 22. b5 axb5 23. Nxb5 Nf6 24. Re1 Rf8 25. Bb4 Rd8 26. Nxe5 Qe8 27. Nf7+ Kh7 28. Qxd8 Qxb5 29. Bxd6 Bb7 30. Bxf4 Nxe4 31. Nd6 Qb4 32. Rf1 Bxd5 33. Ne8 Nxf2 34. Qd7 Nh3+ 35. Qxh3 Bd4+ 36. Be3 Qb2 37. Qxh6+ Kg8 38. Rf8# 1-0

[Event "Sachsen-ch U10"]
[Site "Sebnitz"]
[Date "2007.04.12"]
[Round "4"]
[White "Heidelberger, Colin"]
[Black "Dresig, Moritz"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1166"]
[BlackElo "1149"]
[PlyCount "61"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[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. Ba4 Nf6 5. 0-0 Bc5 6. c3 0-0 7. d4 exd4 8. cxd4 Be7 9. Nc3 d6 10. e5 dxe5 11. dxe5 Qxd1 12. Rxd1 Ng4 13. Bf4 Bc5 14. Bg3 f5 15. h3 f4 16. Bh4 Ngxe5 17. Nxe5 Nxe5 18. Rd5 Bd6 19. Ne4 Be6 20. Rd4 f3 21. Nxd6 cxd6 22. Rxd6 Bc4 23. Bg3 Ng6 24. Bc2 Nf4 25. Be4 Ne2+ 26. Kh2 Nxg3 27. Kxg3 h5 28. Bxb7 Ra7 29. Bxf3 Rff7 30. b3 Bb5 31. Bd5 1-0

[Event "Sachsen-ch U10"]
[Site "Sebnitz"]
[Date "2007.04.11"]
[Round "2"]
[White "Heidelberger, Colin"]
[Black "Kreyssig, Robert"]
[Result "0-1"]
[ECO "B73"]
[WhiteElo "1166"]
[BlackElo "1482"]
[PlyCount "64"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 g6 7. Be2 Bg7 8. 0-0 0-0 9. Qd2 Nc6 10. f4 Bd7 11. f5 b5 12. a3 Qc7 13. fxg6 fxg6 14. Nd5 Nxd5 15. exd5 Na5 16. Bf3 Rac8 17. Rab1 Nc4 18. Qc3 Nxe3 19. Qxe3 Qc5 20. c3 a5 21. Nc2 Bf5 22. Qxc5 Rxc5 23. Rbc1 Bh6 24. Rce1 Bxc2 25. Rxe7 Bb3 26. Rd7 Be3+ 27. Kh1 Bxd5 28. Re1 Rxf3 29. h3 Rg3 30. Re2 b4 31. axb4 axb4 32. cxb4 Rxh3# 0-1

[Event "Sachsen-ch U10"]
[Site "Sebnitz"]
[Date "2007.04.11"]
[Round "3"]
[White "Kuckling, Linus"]
[Black "Heidelberger, Colin"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1036"]
[BlackElo "1166"]
[PlyCount "64"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 Bd7 10. Bc4 Rc8 11. g4 Nxd4 12. Qxd4 Nxg4 13. Qd3 Nxe3 14. Qxe3 Rxc4 15. Rd3 Qa5 16. Kb1 Bxc3 17. Rxc3 Rxc3 18. bxc3 Qb6+ 19. Qxb6 axb6 20. h4 h5 21. f4 f5 22. exf5 Bxf5 23. Re1 Kf7 24. Kb2 Kf6 25. Kb3 Rc8 26. Rc1 Rc5 27. c4 Be6 28. Rb1 Bxc4+ 29. Ka3 Ra5+ 30. Kb4 Rb5+ 31. Kxc4 Rxb1 32. Kc3 Rf1 0-1

[Event "Sachsen-ch U10"]
[Site "Sebnitz"]
[Date "2007.04.10"]
[Round "1"]
[White "Wiegand, Hendrik"]
[Black "Heidelberger, Colin"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "917"]
[BlackElo "1166"]
[PlyCount "70"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nc6 4. d3 Nf6 5. Nc3 g6 6. 0-0 Bg7 7. h3 Bd7 8. a3 0-0 9. Bf4 Rc8 10. Bd2 a6 11. Ng5 b5 12. Ba2 b4 13. axb4 Nxb4 14. Qf3 Nxc2 15. Rac1 Nb4 16. Qg3 h6 17. Nf3 Nxd3 18. Rb1 Rb8 19. Na4 Bxa4 20. Bc4 Nxb2 21. Bxa6 Bc2 22. Ra1 Bxe4 23. Bc3 Nd3 24. Nd2 Nb4 25. Ra4 Nxa6 26. Rxa6 Ra8 27. Raa1 Rxa1 28. Rxa1 Bf5 29. Ba5 Qa8 30. Qa3 Qa6 31. Nb3 Rb8 32. Nd2 Qd3 33. Qa2 Ne4 34. Rd1 Nxd2 35. Rxd2 Qb1+ 0-1

[Event "Sachsen-ch U10"]
[Site "Sebnitz"]
[Date "2006.04.22"]
[Round "7"]
[White "Heidelberger, Colin"]
[Black "Grosse, Christian"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1059"]
[BlackElo "1581"]
[PlyCount "86"]
[EventDate "2006.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd3 d5 8. Bg5 d4 9. a3 Ba5 10. b4 Nxb4 11. axb4 Bxb4 12. 0-0 Bxc3 13. Rb1 Qc7 14. Qe2 0-0 15. h3 Nd7 16. Nd2 Nc5 17. Qf3 f6 18. Bxf6 Rxf6 19. Qe2 Nxd3 20. Qxd3 Bd7 21. Nf3 b5 22. Rb3 a5 23. Nd2 a4 24. Ra3 b4 25. Ra2 Be6 26. Raa1 Bxa1 27. Rxa1 Qc3 28. Qxc3 dxc3 29. Nf3 Rff8 30. Nxe5 b3 31. cxb3 axb3 32. Rxa8 Rxa8 33. Kf1 b2 34. Ke2 b1Q 35. Kf3 c2 36. Nd3 Ra3 37. Kf4 Rxd3 38. f3 c1Q+ 39. Kg3 Qb8+ 40. Kh4 Qbf4+ 41. g4 g5+ 42. Kh5 Qf7+ 43. Kh6 Qg6# 0-1

[Event "Sachsen-ch U10"]
[Site "Sebnitz"]
[Date "2006.04.21"]
[Round "6"]
[White "Heidelberger, Colin"]
[Black "Kreyssig, Robert"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1059"]
[BlackElo "1176"]
[PlyCount "75"]
[EventDate "2006.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Bc5 5. c3 d6 6. d4 exd4 7. cxd4 Bb4 8. d5 Bd7 9. dxc6 bxc6 10. Bd3 0-0 11. Nc3 h6 12. Bd2 Bc5 13. h3 Rb8 14. Rb1 Qe7 15. Re1 Be6 16. Qa4 Qd7 17. Kh2 Bxf2 18. Re2 Bb6 19. Nd4 Bxd4 20. Qxd4 Ra8 21. Bc4 Bxc4 22. Qxc4 Rfe8 23. Rbe1 Reb8 24. b3 Re8 25. Qd3 Red8 26. Qf3 Re8 27. Bxh6 Nxe4 28. Rxe4 Rxe4 29. Rxe4 gxh6 30. Rg4+ Kh7 31. Rf4 Rf8 32. Rf6 Qe7 33. Qf4 Qe5 34. Rxh6+ Kg7 35. Qxe5+ dxe5 36. Rxc6 Rc8 37. Kg3 f6 38. Ne4 1-0

[Event "Sachsen-ch U10"]
[Site "Sebnitz"]
[Date "2006.04.21"]
[Round "5"]
[White "Heidelberger, Colin"]
[Black "Viereck, Marten"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "1059"]
[BlackElo "967"]
[PlyCount "139"]
[EventDate "2006.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 b5 2. Nf3 Bb7 3. d3 c5 4. Bf4 Nc6 5. Be2 d6 6. 0-0 e5 7. Bg3 Nf6 8. Nbd2 Be7 9. c3 0-0 10. Qc2 a5 11. Rfb1 b4 12. h3 h6 13. Nc4 Ba6 14. Ne3 Qd7 15. Qd2 Rfd8 16. a3 Rab8 17. Nf5 Bf8 18. Bh4 Qe6 19. Qc2 Ne7 20. Nxe7+ Qxe7 21. d4 Bxe2 22. Qxe2 bxa3 23. bxa3 Rxb1+ 24. Rxb1 Rd7 25. dxc5 dxc5 26. Bg3 Rb7 27. Rxb7 Qxb7 28. Nxe5 Qxe4 29. Qxe4 Nxe4 30. c4 Bd6 31. Nd7 Nxg3 32. fxg3 Bxg3 33. Nxc5 Bd6 34. Nb7 Bc7 35. Kf2 Kf8 36. Ke3 Ke7 37. Kd4 Kd7 38. Kd5 g5 39. Nc5+ Kd8 40. Nb7+ Kd7 41. c5 Kc8 42. Kc6 Kb8 43. Nd6 f6 44. Kd7 h5 45. Nb5 Bg3 46. c6 f5 47. c7+ Bxc7 48. Nxc7 h4 49. Ne6 g4 50. hxg4 fxg4 51. Ng5 Kb7 52. Ke6 Kb6 53. Kf5 h3 54. Nxh3 g3 55. Kf4 Kb5 56. Kxg3 Ka4 57. Kf3 Kxa3 58. Nf4 Kb4 59. g4 a4 60. g5 a3 61. g6 a2 62. g7 a1Q 63. g8Q Qc3+ 64. Kg4 Qc4 65. Qb8+ Qb5 66. Nd3+ Kc4 67. Ne5+ Kb4 68. Qd6+ Ka4 69. Nc6 Qc4+ 70. Kf5 1/2-1/2

[Event "Sachsen-ch U10"]
[Site "Sebnitz"]
[Date "2006.04.20"]
[Round "4"]
[White "Humburg, Philipp"]
[Black "Heidelberger, Colin"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "930"]
[BlackElo "1059"]
[PlyCount "92"]
[EventDate "2006.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nc6 4. Nc3 g6 5. d3 Bg7 6. Bd2 Nf6 7. Qc1 Bg4 8. Bh6 0-0 9. 0-0 Bxf3 10. gxf3 Qd7 11. Bxg7 Kxg7 12. Nd5 Qh3 13. Qf4 Nd4 14. Nxf6 exf6 15. Qg3 Nxf3+ 16. Kh1 Qxg3 17. fxg3 Nd2 18. Rf2 Nxc4 19. dxc4 Rae8 20. Re1 f5 21. Rf4 Re7 22. Rd1 Rd8 23. exf5 gxf5 24. Rxf5 Re2 25. Rc1 Kg6 26. Rff1 d5 27. cxd5 Rxd5 28. Rfd1 Rxd1+ 29. Rxd1 Rxc2 30. Rb1 Kf5 31. a3 a5 32. b4 axb4 33. axb4 c4 34. Rf1+ Ke5 35. h4 Rb2 36. Rf4 c3 37. h5 c2 38. Rf1 Rb1 39. Kg2 Rxf1 40. Kxf1 c1Q+ 41. Kg2 Qd2+ 42. Kh3 Qf2 43. h6 Kf5 44. b5 Ke4 45. b6 Kf3 46. Kh4 Qxg3+ 0-1

[Event "Sachsen-ch U10"]
[Site "Sebnitz"]
[Date "2006.04.19"]
[Round "3"]
[White "Heidelberger, Colin"]
[Black "Neef, Maximilian"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1059"]
[BlackElo "1185"]
[PlyCount "148"]
[EventDate "2006.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bg5 Be7 7. Bb5+ Bd7 8. Bxd7+ Nbxd7 9. 0-0 0-0 10. Re1 Rc8 11. Qd2 Ne5 12. h3 Nc4 13. Qc1 a6 14. a3 Qc7 15. Rb1 b5 16. Re2 Rfd8 17. a4 b4 18. Na2 d5 19. exd5 Nxd5 20. Bxe7 Qxe7 21. c3 bxc3 22. Nxc3 Nb4 23. Nf3 Nd3 24. Qc2 Qc7 25. Ne4 Qf4 26. Qb3 Ncxb2 27. Ng3 Qxa4 28. Rbxb2 Nxb2 29. Qxb2 Qd1+ 30. Kh2 Qd6 31. Kg1 h6 32. Nh5 f6 33. Re4 Qc7 34. g3 e5 35. Qb3+ Kh8 36. Qe6 Qc1+ 37. Kg2 Qc6 38. Qf7 Rc7 39. Qg6 a5 40. h4 a4 41. Re3 Ra8 42. g4 a3 43. Re1 a2 44. Ra1 Qc3 45. Nxf6 gxf6 46. Qxf6+ Kh7 47. Qf5+ Kg8 48. Qg6+ Kf8 49. Qf6+ Rf7 50. Qd6+ Kg8 51. Qg6+ Rg7 52. Qe6+ Kh7 53. Rxa2 Rxa2 54. Qxa2 Rxg4+ 55. Kf1 Qxf3 56. Qa7+ Rg7 57. Qa1 Qg2+ 58. Ke2 e4 59. Qd4 Qf3+ 60. Kd2 Qf4+ 61. Ke2 Qxh4 62. Qe3 Qg4+ 63. Kd2 Rd7+ 64. Kc3 Rd3+ 65. Qxd3 exd3 66. Kxd3 Kg6 67. Ke3 Kf5 68. Kd3 Ke5 69. Ke3 Qh3+ 70. Ke2 Ke4 71. Kd2 Qd3+ 72. Ke1 Qc2 73. Kf1 Kf3 74. Ke1 Qe2# 0-1

[Event "Sachsen-ch U10"]
[Site "Sebnitz"]
[Date "2006.04.19"]
[Round "2"]
[White "Kempe, Markus"]
[Black "Heidelberger, Colin"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "990"]
[BlackElo "1059"]
[PlyCount "98"]
[EventDate "2006.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Nf3 e6 6. Be3 Nc6 7. Bc4 Nf6 8. Bf4 Be7 9. e5 dxe5 10. Qxd8+ Bxd8 11. Nxe5 Nxe5 12. Bxe5 Be7 13. 0-0 0-0 14. Rad1 b6 15. Rfe1 Bb7 16. Rd2 Rfd8 17. Rxd8+ Rxd8 18. h3 a6 19. Re3 Rd2 20. b3 b5 21. Bd3 Nd5 22. Nxd5 Bxd5 23. Rg3 g6 24. Bc3 Rxa2 25. b4 Ra3 26. Bd2 Ra1+ 27. Kh2 Bd6 28. f4 Rd1 29. Be3 Rxd3 30. Kg1 Bxb4 31. Kf1 Bc4 32. Kf2 a5 33. Rg5 a4 34. Bc5 Bxc5+ 35. Rxc5 Kg7 36. Rc6 a3 37. Ra6 a2 38. Ke1 b4 39. Ra4 b3 40. Ra3 b2 41. Rxd3 b1Q+ 42. Rd1 Qe4+ 43. Kf2 Qc2+ 44. Kg3 Qxd1 45. f5 exf5 46. Kf4 Qd4+ 47. Kf3 a1R 48. g4 Rf1+ 49. Kg3 Qf2# 0-1

[Event "Sachsen-ch U10"]
[Site "Sebnitz"]
[Date "2006.04.18"]
[Round "1"]
[White "Heidelberger, Colin"]
[Black "Ruehrmund, Daniel"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1059"]
[BlackElo "1410"]
[PlyCount "58"]
[EventDate "2006.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Bb5 a6 4. Ba4 b5 5. Bb3 c4 6. Bxc4 bxc4 7. Nc3 Qc7 8. 0-0 Bb7 9. d3 cxd3 10. Qxd3 Nf6 11. Bg5 Be7 12. Rfe1 Qb6 13. Rab1 Nc6 14. h3 Qc7 15. Qe2 Ne5 16. Nxe5 Qxe5 17. Bd2 Rc8 18. Qf3 0-0 19. Bf4 Qc5 20. Qg3 Nh5 21. Qd3 Nxf4 22. Qxd7 Rc7 23. Qd2 Qg5 24. g3 Nxh3+ 25. Kg2 Qxd2 26. Kxh3 Qxf2 27. Re2 Qf3 28. Rbe1 Bd6 29. e5 Qh5# 0-1

[Event "Blaszczak Memorial 20th"]
[Site "Wroclaw"]
[Date "2005.06.19"]
[Round "7"]
[White "Terochin, Piotr"]
[Black "Heidelberger, Colin"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "35"]
[EventDate "2005.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. d4 exd4 7. 0-0 Be7 8. Nxf7 Kxf7 9. Qh5+ g6 10. Bxd5+ Ke8 11. Qf3 Rf8 12. Bxc6+ bxc6 13. Qxc6+ Bd7 14. Qc4 Bf6 15. Re1+ Be7 16. Bg5 Rf7 17. Rxe7+ Rxe7 18. Qg8# 1-0

[Event "Blaszczak Memorial 20th"]
[Site "Wroclaw"]
[Date "2005.06.18"]
[Round "5"]
[White "Eliseev, Gleb"]
[Black "Heidelberger, Colin"]
[Result "1-0"]
[ECO "C48"]
[PlyCount "77"]
[EventDate "2005.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 a6 5. Bxc6 bxc6 6. Nxe5 Qe7 7. Nf3 Nxe4 8. Nxe4 Qxe4+ 9. Qe2 Qxe2+ 10. Kxe2 Bc5 11. d4 Bb6 12. Re1 0-0 13. Kf1 d5 14. b3 Bg4 15. Ba3 Rfe8 16. Ne5 Bxd4 17. Nxg4 Bxa1 18. Rxa1 h6 19. Re1 Rxe1+ 20. Kxe1 Re8+ 21. Kd2 Re6 22. Ne3 Rf6 23. f3 Rd6 24. Bxd6 cxd6 25. c4 d4 26. Nc2 c5 27. b4 Kf8 28. bxc5 dxc5 29. Kd3 Ke7 30. Ke4 g6 31. g4 Kd6 32. f4 f6 33. h4 f5+ 34. gxf5 gxf5+ 35. Kxf5 d3 36. Ne3 Kc6 37. Ke4 Kb6 38. Kxd3 Ka5 39. f5 1-0

[Event "Blaszczak Memorial 20th"]
[Site "Wroclaw"]
[Date "2005.06.18"]
[Round "4"]
[White "Heidelberger, Colin"]
[Black "Rytel, Bartosz"]
[Result "1-0"]
[ECO "C79"]
[PlyCount "69"]
[EventDate "2005.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. c3 b5 6. Bc2 d6 7. 0-0 Bg4 8. d3 a5 9. Bg5 b4 10. Ba4 Ra6 11. Bb5 Rb6 12. c4 Be7 13. Be3 Bxf3 14. Qxf3 0-0 15. Bxb6 cxb6 16. Bxc6 Qc7 17. Ba4 h6 18. Nd2 Qc5 19. Nb3 Qc7 20. Rfe1 Qb7 21. Rad1 d5 22. exd5 Rd8 23. Rxe5 Qb8 24. Rxe7 Qd6 25. Rde1 Rc8 26. Nd4 Qc5 27. Nf5 Kf8 28. Qg3 g6 29. Nxh6 Kg7 30. Nf5+ Kh7 31. Qh3+ Kg8 32. Qh6 Qxf2+ 33. Kxf2 Ng4+ 34. Kf3 Nxh6 35. Nxh6+ 1-0

[Event "Sachsen-ch U08"]
[Site "Sebnitz"]
[Date "2005.04.01"]
[Round "6"]
[White "Heidelberger, Colin"]
[Black "Heitsch, Arthur"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "837"]
[PlyCount "168"]
[EventDate "2005.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nf3 e6 4. Bc4 Be7 5. 0-0 a6 6. Ne2 b5 7. Bb3 c4 8. Bxc4 bxc4 9. d3 cxd3 10. cxd3 Bb7 11. Qb3 Bc6 12. Ned4 e5 13. Nxc6 Nxc6 14. Qc4 Qd7 15. Ng5 Nh6 16. Re1 0-0 17. Nf3 Rab8 18. Qxa6 Nd4 19. Nxd4 exd4 20. e5 Nf5 21. exd6 Bxd6 22. b3 Nh4 23. Bb2 Qg4 24. g3 Nf5 25. Kg2 Ra8 26. Qb5 Qg6 27. Qd5 Qf6 28. h4 Bb4 29. Re2 g6 30. a3 Bd6 31. f4 Rfe8 32. Rxe8+ Rxe8 33. b4 Re2+ 34. Kf1 Rxb2 35. Qa8+ Kg7 36. Qc8 Ne3+ 37. Kg1 Rg2+ 38. Kh1 Qe6 39. Qxe6 fxe6 40. Re1 Rc2 41. b5 Rb2 42. a4 Bb4 43. b6 Bd6 44. a5 Ra2 45. Rb1 Rxa5 46. b7 Nf5 47. b8Q Bxb8 48. Rxb8 Nxg3+ 49. Kg2 Nf5 50. Kh3 Ra3 51. Rb7+ Kf6 52. Rxh7 Rxd3+ 53. Kg4 Ra3 54. Rh8 d3 55. Rf8+ Ke7 56. Rc8 d2 57. Rc7+ Kf6 58. Rd7 Ne3+ 59. Kf3 d1Q+ 60. Rxd1 Nxd1+ 61. Ke2 Ra1 62. Kd2 g5 63. hxg5+ Kf5 64. Kc2 Ra8 65. Kxd1 Kxf4 66. g6 Rg8 67. g7 Rxg7 68. Ke2 e5 69. Kf2 Rg3 70. Ke2 Rf3 71. Kd2 Re3 72. Kd1 Kf3 73. Kc2 Ke2 74. Kc1 Rd3 75. Kc2 e4 76. Kc1 Ke1 77. Kc2 Ke2 78. Kc1 Rc3+ 79. Kb2 Kd3 80. Ka2 e3 81. Kb2 e2 82. Ka2 Kc2 83. Ka1 e1Q+ 84. Ka2 Qb1# 0-1

[Event "Sachsen-ch U08"]
[Site "Sebnitz"]
[Date "2005.03.31"]
[Round "5"]
[White "Meyer, Pit"]
[Black "Heidelberger, Colin"]
[Result "1/2-1/2"]
[ECO "C44"]
[BlackElo "837"]
[PlyCount "109"]
[EventDate "2005.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. g3 Bb4 4. a3 Ba5 5. b4 Bb6 6. Bg2 Nf6 7. d3 0-0 8. 0-0 d6 9. Bd2 Be6 10. Nc3 Qd7 11. Re1 Bh3 12. Be3 Bxe3 13. Rxe3 Ne7 14. d4 exd4 15. Nxd4 c5 16. bxc5 dxc5 17. Nf3 Qxd1+ 18. Rxd1 Bxg2 19. Kxg2 Ng4 20. Re2 Ng6 21. Nb5 b6 22. Nc7 Rac8 23. Red2 Rxc7 24. Rd8 Rc8 25. R8d7 Ra8 26. h3 N4e5 27. R7d5 Nxf3 28. Kxf3 h6 29. g4 Kh7 30. Kg3 a5 31. h4 f6 32. h5 Nh8 33. e5 fxe5 34. Rxe5 Nf7 35. Rf5 Ng5 36. Rxf8 Rxf8 37. f4 Ne6 38. f5 Ng5 39. Rd6 Rf6 40. Rd8 Nf7 41. Rd7 g5 42. Kf3 Kg8 43. Ke4 Kf8 44. Rc7 Ke8 45. Rc8+ Kd7 46. Rg8 Nd8 47. Ke5 Ke7 48. c4 Rf8 49. Rg6 Nf7+ 50. Kd5 Rd8+ 51. Ke4 Nd6+ 52. Ke3 Nxc4+ 53. Ke4 Nd6+ 54. Ke3 Kf7 55. Rxh6 1/2-1/2

[Event "Sachsen-ch U08"]
[Site "Sebnitz"]
[Date "2005.03.30"]
[Round "4"]
[White "Heidelberger, Colin"]
[Black "Peil, Christoph"]
[Result "1/2-1/2"]
[ECO "C61"]
[WhiteElo "837"]
[BlackElo "930"]
[PlyCount "57"]
[EventDate "2005.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. 0-0 g6 6. d3 c6 7. Bc4 Qc7 8. Qf3 d6 9. c3 b5 10. Bb3 dxc3 11. bxc3 Bg7 12. Bb2 b4 13. d4 Ba6 14. Re1 Nh6 15. cxb4 0-0 16. a3 c5 17. Ra2 cxd4 18. Nd2 Rfe8 19. Raa1 Nf5 20. exf5 Bb7 21. Qd3 Qc6 22. f3 Re3 23. Rxe3 dxe3 24. Nc4 d5 25. Ne5 Qf6 26. Qxe3 Qxf5 27. Re1 Re8 28. f4 f6 29. g4 1/2-1/2

[Event "Sachsen-ch U08"]
[Site "Sebnitz"]
[Date "2005.03.30"]
[Round "3"]
[White "Klotzbuecher, Jan"]
[Black "Heidelberger, Colin"]
[Result "0-1"]
[ECO "C57"]
[BlackElo "837"]
[PlyCount "46"]
[EventDate "2005.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. h4 h6 7. Qh5 g6 8. Qg4 Bxg4 9. f3 hxg5 10. fxg4 Rxh4 11. Rxh4 gxh4 12. d3 Nd4 13. Na3 Bxa3 14. Kd1 Bc5 15. g5 f6 16. gxf6 c6 17. Bg5 Nxf6 18. Kd2 b5 19. Bb3 Nxb3+ 20. axb3 Ne4+ 21. Ke2 Qxg5 22. dxe4 Qe3+ 23. Kf1 Qf2# 0-1

[Event "Sachsen-ch U08"]
[Site "Sebnitz"]
[Date "2005.03.29"]
[Round "2"]
[White "Heidelberger, Colin"]
[Black "Nobis, Philipp"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "837"]
[BlackElo "740"]
[PlyCount "37"]
[EventDate "2005.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Bc5 5. 0-0 0-0 6. d3 d6 7. Bg5 a6 8. Ba4 b5 9. Bb3 h6 10. Bh4 Bg4 11. Kh1 Bxf3 12. Qxf3 Qd7 13. Bxf6 gxf6 14. Qxf6 Qg4 15. Qxh6 Nd4 16. Bd5 c6 17. Bxc6 Nxc6 18. Nd5 Rfe8 19. Nf6# 1-0

[Event "Sachsen-ch U08"]
[Site "Sebnitz"]
[Date "2005.03.29"]
[Round "1"]
[White "Schuele, Janos"]
[Black "Heidelberger, Colin"]
[Result "0-1"]
[ECO "C55"]
[BlackElo "837"]
[PlyCount "42"]
[EventDate "2005.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. 0-0 Nf6 5. Nc3 0-0 6. d3 d6 7. Be3 Bg4 8. h3 Bh5 9. Qd2 h6 10. Rae1 Re8 11. Nb5 a6 12. Nc3 b5 13. Bd5 Nxd5 14. exd5 Na5 15. d4 Bf6 16. dxe5 dxe5 17. Ne4 Nb7 18. Nxf6+ Qxf6 19. Re2 Qg6 20. Qc3 Bxf3 21. Rd2 Qxg2# 0-1

[Event "Sachsen-ch int U08"]
[Site "Sebnitz"]
[Date "2004.10.22"]
[Round "9.9"]
[White "Heidelberger, Colin"]
[Black "Chenska, Karolina"]
[Result "0-1"]
[ECO "C46"]
[WhiteElo "767"]
[BlackElo "1400"]
[PlyCount "86"]
[EventDate "2004.10.??"]
[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 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Nxe5 Nxe5 5. d4 Bd6 6. dxe5 Bxe5 7. Bd2 d6 8. Bb5+ c6 9. Bd3 d5 10. 0-0 d4 11. Ne2 Nf6 12. Bf4 Bxf4 13. Nxf4 0-0 14. Be2 Nxe4 15. c3 dxc3 16. Qxd8 Rxd8 17. bxc3 Nxc3 18. Bc4 Rd4 19. Rae1 Bf5 20. Re7 Rxc4 21. Rfe1 Kf8 22. Nh5 Re4 23. R7xe4 Bxe4 24. Re3 Rd8 25. Ng3 Rd1+ 26. Nf1 Bd3 27. h3 Rxf1+ 28. Kh2 Rd1 29. Kg3 Nxa2 30. Kf4 c5 31. Ke5 c4 32. Kd6 Bf1+ 33. Kc7 Bxg2 34. Ra3 Nb4 35. Rxa7 c3 36. Ra8+ Ke7 37. Ra4 Nd5+ 38. Kb8 c2 39. Kxb7 Nc3+ 40. Kb6 Nxa4+ 41. Kb5 c1Q 42. Kxa4 Qb2 43. Ka5 Ra1# 0-1

[Event "Sachsen-ch int U08"]
[Site "Sebnitz"]
[Date "2004.10.21"]
[Round "8.15"]
[White "Heidelberger, Colin"]
[Black "Schrell, Konrad"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "767"]
[PlyCount "113"]
[EventDate "2004.10.??"]
[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 c5 2. Nf3 Nc6 3. Nc3 g6 4. Bc4 e6 5. d3 Bg7 6. Ng5 Nf6 7. 0-0 0-0 8. Nf3 Qc7 9. Bd2 Ng4 10. h3 Nge5 11. Bf4 Nxf3+ 12. Qxf3 Ne5 13. Qe3 b6 14. Nb5 Qb8 15. a3 a6 16. Nc3 d6 17. Bg5 Nxc4 18. dxc4 Bd4 19. Qd3 Be5 20. Bh6 Re8 21. b3 Bf6 22. Rad1 d5 23. cxd5 exd5 24. exd5 Qd6 25. Rde1 Rxe1 26. Rxe1 Bf5 27. Ne4 Bxe4 28. Rxe4 Bg7 29. Bf4 Qf6 30. d6 Qa1+ 31. Kh2 Qf6 32. d7 Bf8 33. Bc7 Be7 34. Be5 Qg5 35. Bc7 b5 36. g3 h5 37. h4 c4 38. hxg5 cxd3 39. Rxe7 d2 40. Re8+ Rxe8 41. dxe8Q+ Kg7 42. Qe2 d1Q 43. Qxd1 f6 44. gxf6+ Kxf6 45. Qd5 g5 46. Be5+ Kg6 47. Qe4+ Kh6 48. Qc6+ Kh7 49. Qxa6 Kg8 50. Qa7 Kf8 51. c4 bxc4 52. bxc4 g4 53. c5 Ke8 54. c6 Kd8 55. Qg7 Ke8 56. c7 h4 57. c8R# 1-0

[Event "Sachsen-ch int U08"]
[Site "Sebnitz"]
[Date "2004.10.21"]
[Round "7.20"]
[White "Kuempfel, Max"]
[Black "Heidelberger, Colin"]
[Result "0-1"]
[ECO "C55"]
[BlackElo "767"]
[PlyCount "94"]
[EventDate "2004.10.??"]
[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 e5 2. Nf3 Nc6 3. Bc4 Be7 4. Nc3 Nf6 5. d3 0-0 6. Bg5 h6 7. Bh4 d6 8. h3 Bd7 9. 0-0 a6 10. Re1 b5 11. Bb3 Na5 12. Bxf6 Bxf6 13. Bd5 c6 14. Bb3 Nxb3 15. cxb3 b4 16. Na4 c5 17. Rc1 Rc8 18. Qc2 Rc7 19. Nb6 Be6 20. Qd2 Qb8 21. Nd5 Bxd5 22. exd5 Qe8 23. a3 bxa3 24. bxa3 Re7 25. b4 cxb4 26. axb4 e4 27. dxe4 Rxe4 28. Rxe4 Qxe4 29. Rc7 Bd8 30. Rd7 Re8 31. Qe1 Qxe1+ 32. Nxe1 Rxe1+ 33. Kh2 Bg5 34. Rxd6 Bf4+ 35. g3 Bxd6 36. Kg2 Bxb4 37. Kf3 a5 38. Kg2 a4 39. Kf3 a3 40. Kg2 a2 41. Kf3 a1Q 42. Kg2 Rg1+ 43. Kf3 Qa3+ 44. Ke2 Ra1 45. h4 Ra2+ 46. Kd1 Qb2 47. f3 Qa1# 0-1

[Event "Sachsen-ch int U08"]
[Site "Sebnitz"]
[Date "2004.10.19"]
[Round "6.24"]
[White "Heidelberger, Colin"]
[Black "Hauff, Johannes"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "767"]
[PlyCount "53"]
[EventDate "2004.10.??"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 d6 5. d3 Bg4 6. Bg5 Nd4 7. Bxf6 Qxf6 8. Nd5 Qg6 9. Nxc7+ Kd8 10. Nxa8 Qf6 11. h3 Bh5 12. c3 Nxf3+ 13. gxf3 Bxf3 14. Qd2 d5 15. Bxd5 Bc5 16. Rf1 h6 17. b4 Qg5 18. bxc5 Qxd2+ 19. Kxd2 Kd7 20. Bxf7 Rxa8 21. Rab1 Rf8 22. Bd5 Bg2 23. Rg1 Bxh3 24. Rxg7+ Ke8 25. Rbxb7 Bd7 26. Rb8+ Bc8 27. Rxc8# 1-0

[Event "Sachsen-ch int U08"]
[Site "Sebnitz"]
[Date "2004.10.19"]
[Round "4.24"]
[White "Heidelberger, Colin"]
[Black "Heinemann, Lucas"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "767"]
[PlyCount "95"]
[EventDate "2004.10.??"]
[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 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Bc5 5. d3 d6 6. Bg5 h6 7. Bh4 Bg4 8. h3 Bh5 9. 0-0 0-0 10. a3 Re8 11. Qd2 Qd7 12. Rfe1 Re7 13. Re2 Rae8 14. Na4 b6 15. Nxc5 bxc5 16. Bb5 a6 17. Bxa6 Ra8 18. Bb5 Rb8 19. a4 Rb7 20. Rae1 Re8 21. b3 Reb8 22. Bg3 g5 23. Re3 Ra7 24. Rf1 Rb6 25. c3 Rbb7 26. c4 Rb8 27. Ne1 Raa8 28. Nc2 Ra5 29. Qe1 Ra7 30. Qa1 Rba8 31. Qb2 g4 32. h4 Nh7 33. Ree1 Nf6 34. Bxc6 Qxc6 35. Ne3 Nd7 36. Nf5 Qb6 37. Nxh6+ Kf8 38. Qe2 Qxb3 39. Qe3 Qxa4 40. Qg5 Bg6 41. h5 Bh7 42. Ra1 Qb4 43. Bh4 Rxa1 44. Qe7+ Kg7 45. Bg5 Qc3 46. Qxf7+ Kh8 47. Bf6+ Nxf6 48. Qxf6# 1-0

[Event "Sachsen-ch int U08"]
[Site "Sebnitz"]
[Date "2004.10.19"]
[Round "5.19"]
[White "Kuckling, Hannah"]
[Black "Heidelberger, Colin"]
[Result "1-0"]
[ECO "C57"]
[BlackElo "767"]
[PlyCount "107"]
[EventDate "2004.10.??"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Rg8 5. Bxf7+ Ke7 6. Bxg8 h6 7. Nf7 Qe8 8. 0-0 d6 9. Nc3 Be6 10. d3 Bxf7 11. Bxf7 Qxf7 12. Nb5 Kd8 13. Bd2 a6 14. Na3 Qg6 15. Nc4 Ng4 16. h3 Nf6 17. Ne3 Nd4 18. Ng4 Nxg4 19. hxg4 Qf6 20. c3 Ne6 21. c4 Nd4 22. Bc3 Ne6 23. b4 Ke7 24. b5 axb5 25. cxb5 g6 26. a4 Nd4 27. a5 Nxb5 28. Bb4 c5 29. Bd2 Nd4 30. Rb1 b5 31. Be3 Rb8 32. Qd2 h5 33. Bg5 Qxg5 34. Qxg5+ Ke8 35. Qxg6+ Kd7 36. gxh5 Be7 37. h6 Bh4 38. Qh5 Ne2+ 39. Qxe2 Rg8 40. Qh5 Bg5 41. h7 Rh8 42. Qxg5 Rxh7 43. Qf5+ Kc6 44. Qxh7 b4 45. Ra1 b3 46. a6 b2 47. Ra5 Kb6 48. Ra2 Kb5 49. a7 Kb4 50. a8Q Kb3 51. Qhb7+ Kc2 52. Qb4 c4 53. Qxc4+ Kd2 54. Rxb2# 1-0

[Event "Sachsen-ch int U08"]
[Site "Sebnitz"]
[Date "2004.10.18"]
[Round "3.17"]
[White "Haferland, Konstantin"]
[Black "Heidelberger, Colin"]
[Result "1-0"]
[ECO "C47"]
[BlackElo "767"]
[PlyCount "103"]
[EventDate "2004.10.??"]
[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 e5 2. Nf3 Nc6 3. d4 d6 4. Nc3 Nf6 5. Bg5 Bg4 6. d5 Nb4 7. Bb5+ c6 8. dxc6 bxc6 9. Ba4 Be7 10. a3 Na6 11. Bxc6+ Bd7 12. Bxa8 h6 13. Bh4 Nc7 14. Bd5 Ncxd5 15. exd5 g5 16. Bg3 Bg4 17. 0-0 e4 18. Nxe4 Nxe4 19. h3 Nxg3 20. fxg3 Bf5 21. Qe1 Bxc2 22. Qf2 Bd3 23. Rfd1 Bb5 24. Nd4 Bc4 25. Nc6 Qd7 26. Na5 Bd8 27. Re1+ Kf8 28. Nxc4 Qc7 29. Rf1 Rh7 30. Qf5 Rg7 31. Rf2 Qxc4 32. Raf1 Qc7 33. Qd3 Qd7 34. Rf5 Bb6+ 35. Kh1 Qc7 36. Rf6 Qd8 37. Qf3 Kg8 38. Rxh6 Qf8 39. Qe4 Qd8 40. Rf5 Kf8 41. Qe6 Qc7 42. Rg6 Bd4 43. Rxg7 Bxg7 44. h4 Kg8 45. Qe4 Qc1+ 46. Kh2 Qc7 47. a4 Be5 48. Rxg5+ Kf8 49. Qh7 Ke7 50. Rf5 Kd8 51. Rxf7 Ke8 52. Qg8# 1-0

[Event "Sachsen-ch int U08"]
[Site "Sebnitz"]
[Date "2004.10.17"]
[Round "2.3"]
[White "Heidelberger, Colin"]
[Black "Wieczorek, Bruno"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "767"]
[BlackElo "1600"]
[PlyCount "68"]
[EventDate "2004.10.??"]
[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 d5 2. e5 Bf5 3. Nf3 e6 4. Nc3 Nc6 5. d3 Bb4 6. a3 Be7 7. Bf4 d4 8. Ne2 f6 9. exf6 Nxf6 10. Ng3 Bg6 11. Be2 0-0 12. 0-0 Ng4 13. Nh4 Bxh4 14. Bxg4 Rxf4 15. Bxe6+ Bf7 16. Bf5 Bxg3 17. fxg3 Qg5 18. gxf4 Qxf5 19. Rf2 Rd8 20. c3 Rd6 21. g4 Qg6 22. f5 Qg5 23. Qf3 Rf6 24. Qg3 Bd5 25. c4 Bf7 26. Kg2 a6 27. Re1 b5 28. Qxc7 Qxg4+ 29. Kf1 Bh5 30. Qc8+ Kf7 31. Qc7+ Kg8 32. Re4 Qh3+ 33. Ke1 Qxd3 34. Qf4 Qd1# 0-1

[Event "Sachsen-ch int U08"]
[Site "Sebnitz"]
[Date "2004.10.17"]
[Round "1.24"]
[White "Mandadijev, Marlon"]
[Black "Heidelberger, Colin"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "767"]
[PlyCount "52"]
[EventDate "2004.10.??"]
[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. e4 dxe4 3. Bd3 exd3 4. Nf3 dxc2 5. Be3 cxd1Q+ 6. Kxd1 Nc6 7. Bg5 g6 8. Bf6 exf6 9. b4 Bxb4 10. Nc3 Nxd4 11. Rb1 Bxc3 12. Rc1 Nxf3+ 13. Ke2 Bd2 14. Kd1 Bxc1+ 15. Kxc1 Qd2+ 16. Kb1 Bf5+ 17. Ka1 Rd8 18. Rd1 Qxd1+ 19. Kb2 Rd2+ 20. Kc3 Ne7 21. gxf3 Rd3+ 22. Kc4 Be6+ 23. Kc5 b6+ 24. Kb5 Qb1+ 25. Ka4 Qxa2+ 26. Kb4 Rb3# 0-1

[Event "Sachsen-ch U08"]
[Site "Sebnitz"]
[Date "2004.04.??"]
[Round "4"]
[White "Heidelberger, Colin"]
[Black "Engelhardt, Richard1111"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "69"]
[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 Nf6 3. Nc3 Nc6 4. Bc4 b6 5. 0-0 Bc5 6. Bb5 0-0 7. Bxc6 dxc6 8. Na4 b5 9. Nxc5 Bg4 10. h3 Qe7 11. Nd3 Kh8 12. Ndxe5 Nxe4 13. hxg4 Rfd8 14. Nxc6 Qe8 15. Nxd8 Rxd8 16. d3 Nd6 17. Bg5 f6 18. Bh4 g5 19. Bg3 Qg8 20. Re1 a5 21. c3 Rd7 22. b3 Rg7 23. Re2 Qf8 24. Qe1 Ne8 25. Rxe8 Rg8 26. Rxf8 Rxf8 27. Bxc7 Rc8 28. Bxa5 Ra8 29. b4 Rxa5 30. bxa5 h5 31. gxh5 f5 32. a6 f4 33. a7 g4 34. Qe7 gxf3 35. a8Q# 1-0

[Event "Sachsen-ch U08"]
[Site "Sebnitz"]
[Date "2004.04.??"]
[Round "3"]
[White "Heidelberger, Colin"]
[Black "Koelbel, Ole"]
[Result "0-1"]
[ECO "C50"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bc5 5. d3 d6 6. 0-0 Bg4 7. Bg5 h6 8. Bh4 Nd4 9. h3 Bxf3 10. Bxf6 Qxf6 11. Qd2 Qg6 12. g3 Qg5 13. Qxg5 hxg5 14. Nd5 0-0-0 15. Ne7+ Kb8 16. Bxf7 Rhf8 17. Bg6 Ne2+ 0-1

[Event "Sachsen-ch U08"]
[Site "Sebnitz"]
[Date "2004.04.??"]
[Round "7"]
[White "Heidelberger, Colin"]
[Black "Neef, Maximilian"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "178"]
[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. Nc3 Nc6 3. Nf3 Bc5 4. Bc4 d6 5. 0-0 Nf6 6. d3 h6 7. h3 0-0 8. Na4 a6 9. Nxc5 dxc5 10. Be3 Na5 11. b3 Nxc4 12. bxc4 b6 13. a4 Bd7 14. a5 Nh5 15. Re1 Nf4 16. Bxf4 exf4 17. Qd2 Qf6 18. e5 Qf5 19. Kf1 Bc6 20. Nh4 Qg5 21. Red1 Qxh4 22. axb6 cxb6 23. Rdb1 b5 24. cxb5 axb5 25. c4 bxc4 26. dxc4 Rad8 27. Qe2 Rfe8 28. Rb6 Ba8 29. Rba6 Bb7 30. Ra7 Bc6 31. R7a6 Bb7 32. Rb6 Ba8 33. Rb5 Qe7 34. Qb2 f3 35. g3 Bc6 36. Rb6 Qd7 37. Qa2 Rb8 38. Rxb8 Rxb8 39. h4 Qd3+ 40. Kg1 Qf5 41. Kf1 Qh3+ 42. Kg1 Ra8 43. Qb1 Ra4 44. Qd3 Ba8 45. Qf1 Qxf1+ 46. Rxf1 Rxc4 47. Ra1 Bd5 48. Ra5 Re4 49. Ra1 Rxe5 50. Rc1 c4 51. Rc3 Re1+ 52. Kh2 Ra1 53. Rc2 Ra5 54. Rc1 Rc5 55. Rc3 Be4 56. Kg1 Rc8 57. Kf1 Bd3+ 58. Ke1 Be2 59. Rc2 Ra8 60. Rc1 c3 61. Rb1 c2 62. Rc1 Kh8 63. Rxc2 Ra1+ 64. Kd2 Rd1+ 65. Kc3 Rf1 66. Kd2 Rxf2 67. Rc1 Rf1 68. Rxf1 Bxf1 69. Ke1 Bg2 70. Kf2 Kh7 71. g4 g5 72. hxg5 hxg5 73. Kg3 Kh6 74. Kf2 Kg6 75. Kg3 Kf6 76. Kf2 Bh3 77. Kg3 f2 78. Kxf2 Bxg4 79. Kg3 Bc8 80. Kf3 g4+ 81. Kg3 Kg5 82. Kf2 Kf4 83. Kg2 Ke3 84. Kg3 f5 85. Kg2 f4 86. Kg1 f3 87. Kf1 g3 88. Kg1 f2+ 89. Kf1 Bh3# 0-1

[Event "Sachsen-ch U08"]
[Site "Sebnitz"]
[Date "2004.04.??"]
[Round "1"]
[White "Keck, Maximilian"]
[Black "Heidelberger, Colin"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "164"]
[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. Nc3 Nf6 4. Bc4 Bc5 5. d3 0-0 6. 0-0 h6 7. h3 Na5 8. Na4 d6 9. Be3 Bxe3 10. fxe3 Nxc4 11. dxc4 Bd7 12. Nc3 a6 13. c5 dxc5 14. Nxe5 Bb5 15. Nd5 Nxd5 16. exd5 Bxf1 17. Kxf1 Re8 18. Ng4 Re7 19. Kg1 Rd7 20. Qe1 Rxd5 21. e4 Rd4 22. c3 Rd3 23. Ne5 Rd6 24. Nc4 Rd7 25. Qg3 b5 26. Ne5 Re7 27. Nf3 Rxe4 28. Ne5 Qe8 29. Ng4 h5 30. Nf2 Re3 31. Qxc7 Rc8 32. Qa7 Re6 33. Qb7 Rb8 34. Qd5 Rd8 35. Qxh5 Re5 36. Qh4 f6 37. Ng4 Rg5 38. Qg3 f5 39. a3 fxg4 40. hxg4 Qg6 41. Qc7 Re8 42. Qd7 Rxg4 43. Qb7 Rf8 44. Qd5+ Kh7 45. Qd2 Rg5 46. b4 cxb4 47. cxb4 Rg3 48. Ra2 Rg4 49. Kh2 Qh5+ 50. Kg1 Kg6 51. Qc2+ Kh6 52. Qc6+ Rg6 53. Qc1+ Rg5 54. Qc2 Qg4 55. Qd2 Kh5 56. Qc2 Kh6 57. Kh2 Rh5+ 58. Kg1 Rg5 59. Qd2 Kh5 60. Rb2 Kh6 61. Ra2 Kh5 62. Rc2 Kh6 63. Ra2 Kh5 64. Rc2 Kh6 65. Ra2 Kh5 66. Rc2 Kh6 67. Ra2 Kh5 68. Rc2 Kh6 69. Qf2 Kh5 70. Ra2 Kh6 71. Qd2 Kh5 72. Rc2 Kh6 73. Qf2 Kh5 74. Ra2 Qg3 75. Qe2+ Kh6 76. Qc2 Qg4 77. Kh1 Kh5 78. Kg1 Qf5 79. Qe2+ Qg4 80. Qc2 Kh6 81. Kh1 Qf5 82. Qe2 Kh7 0-1

[Event "Sachsen-ch U08"]
[Site "Sebnitz"]
[Date "2004.04.??"]
[Round "5"]
[White "Kempe, Markus"]
[Black "Heidelberger, Colin"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "32"]
[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. 0-0 Nf6 5. Nc3 0-0 6. d3 d6 7. h3 h6 8. a3 Na5 9. b4 Nxc4 10. dxc4 Bb6 11. a4 a6 12. a5 Ba7 13. Be3 Bd7 14. Qc1 Be6 15. Bxh6 gxh6 16. Qxh6 Re8 1/2-1/2

[Event "Sachsen-ch U08"]
[Site "Sebnitz"]
[Date "2004.04.??"]
[Round "6"]
[White "Pinka, Maximilian"]
[Black "Heidelberger, Colin"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "97"]
[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. d3 Nf6 4. Bg5 Be7 5. d4 d6 6. dxe5 dxe5 7. Qe2 0-0 8. Qb5 Qd7 9. Qe2 h6 10. Bd2 Bb4 11. c3 Ba5 12. b4 Bb6 13. Qb5 a6 14. Qc4 Ba7 15. Nh4 b5 16. Qe2 Qe7 17. Qf3 Bg4 18. Qg3 Nxe4 19. Qxg4 Nf6 20. Qg3 Rfd8 21. Bxh6 Qf8 22. Nf5 Ne8 23. Qg5 f6 24. Qg6 Rab8 25. Be2 Qf7 26. Bh5 Qxg6 27. Bxg6 Kf8 28. 0-0 e4 29. Bxg7+ Nxg7 30. Nh6 Ne5 31. Bxe4 Rd7 32. Na3 Rd2 33. Nb1 Rdd8 34. Na3 Bb6 35. Rad1 Rxd1 36. Rxd1 Nf7 37. Ng4 Nd6 38. Bg6 f5 39. Nf6 c6 40. Nd7+ Kg8 41. Nxb8 Bc7 42. Nxc6 Bb6 43. Rxd6 Bc7 44. Ne7+ Kf8 45. Rd7 Bb6 46. Nd5 Ne8 47. Rf7+ Kg8 48. Ne7+ Kh8 49. Rh7# 1-0

[Event "Sachsen-ch U08"]
[Site "Sebnitz"]
[Date "2004.04.??"]
[Round "2"]
[White "Viereck, Marten"]
[Black "Heidelberger, Colin"]
[Result "1-0"]
[ECO "C55"]
[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 Na5 5. Bd5 Nxd5 6. exd5 Bc5 7. d4 Bb4+ 8. Bd2 exd4 9. Bxb4 1-0

