[Event "GER-ch internet U18"]
[Site "Playchess.com INT"]
[Date "2004.03.14"]
[Round "1"]
[White "Andok, Claus Michael"]
[Black "Siebrecht, Marco"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2129"]
[BlackElo "1654"]
[PlyCount "115"]
[EventDate "2004.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 c6 5. d4 Nf6 6. Nf3 Bg4 7. 0-0 e6 8. Bf4 Be7 9. h3 Bxf3 10. Qxf3 Nbd7 11. a3 0-0 12. Bd3 Rac8 13. Rfe1 Rfe8 14. Be5 Nxe5 15. Rxe5 Qc7 16. Ne4 Nxe4 17. Qxe4 g6 18. Qg4 Bf6 19. Re3 Qb6 20. c3 Qxb2 21. Rb1 Qxa3 22. Rxb7 Re7 23. Rb1 Qd6 24. h4 Rb8 25. Rbe1 Rbe8 26. h5 Bg7 27. hxg6 hxg6 28. Rh3 e5 29. Qg3 exd4 30. Qxd6 Rxe1+ 31. Kh2 Be5+ 32. Qxe5 R1xe5 33. cxd4 Rh5 34. Rxh5 gxh5 35. Kg3 Kg7 36. Kf4 Kf6 37. Be4 Rd8 38. Bf3 Rxd4+ 39. Ke3 Rb4 40. Bxc6 a5 41. Kd3 a4 42. Kc3 Rb3+ 43. Kc2 Rb4 44. Kc3 Rf4 45. f3 Kg5 46. Kb2 Kh4 47. Ka3 Kg3 48. Bb7 Kxg2 49. Bc6 Kg3 50. Bb7 h4 51. Bc8 Rg4 52. Bxg4 f5 53. Bxf5 Kxf3 54. Kxa4 Kg3 55. Kb3 h3 56. Kc2 h2 57. Be4 h1Q 58. Bxh1 1/2-1/2

[Event "GER-ch internet U18"]
[Site "Playchess.com INT"]
[Date "2004.03.14"]
[Round "5"]
[White "Lammers, Markus"]
[Black "Siebrecht, Marco"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2252"]
[BlackElo "1713"]
[PlyCount "77"]
[EventDate "2004.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Nf6 6. Bd2 Bg4 7. h3 Bxf3 8. Qxf3 e6 9. Ne4 Qd8 10. Nxf6+ Qxf6 11. Qb3 b6 12. 0-0-0 Bd6 13. Bd3 Qxd4 14. Bc3 Qf4+ 15. Kb1 Be5 16. g3 Qf6 17. Bxe5 Qxe5 18. Rhe1 Qf6 19. Be4 0-0 20. Rd6 Qxf2 21. Red1 Na6 22. Bxc6 Nc5 23. Qb4 Rac8 24. Qh4 a5 25. a3 Qf6 26. Qg4 Rfd8 27. Bb5 Rxd6 28. Rxd6 Nb7 29. Rxb6 Nc5 30. Qc4 Qf2 31. Rc6 Rxc6 32. Bxc6 Qe1+ 33. Ka2 Qe5 34. b4 Na6 35. Qxa6 g6 36. Qc4 Kg7 37. b5 Qe3 38. Kb2 Qxg3 39. Qc3+ 1-0

[Event "GER-ch internet U18"]
[Site "Playchess.com INT"]
[Date "2004.03.14"]
[Round "7"]
[White "Siebrecht, Marco"]
[Black "Hefter, Dmitrij"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1708"]
[BlackElo "1910"]
[PlyCount "123"]
[EventDate "2004.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 dxe4 3. Nxe4 Nf6 4. Nxf6+ exf6 5. d4 Be6 6. c3 Be7 7. Bd3 0-0 8. Qc2 g6 9. Nf3 f5 10. 0-0 Nd7 11. Bf4 Bf6 12. Rfe1 Bg7 13. Rad1 Nb6 14. Bf1 c6 15. b3 Nd5 16. Bc1 Qc7 17. c4 Nf4 18. g3 Nh5 19. Ng5 Rfe8 20. Be2 Nf6 21. Bf4 Qd7 22. Bf3 h6 23. Nxe6 fxe6 24. Be5 Nh7 25. Qc1 Ng5 26. Bg2 Rad8 27. h4 Nf7 28. Bxg7 Kxg7 29. d5 exd5 30. Rxe8 Rxe8 31. cxd5 cxd5 32. Rxd5 Qe7 33. Qc3+ Kh7 34. Rd1 Ne5 35. Qd4 Nc6 36. Qa4 Rd8 37. Rxd8 Qxd8 38. Bxc6 bxc6 39. Qxc6 Qd1+ 40. Kg2 h5 41. Qc7+ Kh6 42. Qxa7 Qd5+ 43. Kh2 Qf3 44. Qe3+ Qxe3 45. fxe3 Kg7 46. a4 Kf6 47. b4 Ke5 48. a5 Ke4 49. a6 Kxe3 50. a7 Kd4 51. a8Q Kc4 52. Qg8+ Kxb4 53. Qxg6 Kc4 54. Qxf5 Kd4 55. Qxh5 Ke4 56. Qf7 Ke5 57. g4 Kd6 58. g5 Kc6 59. g6 Kb6 60. g7 Kc6 61. g8Q Kd6 62. Qgg6+ 1-0

[Event "GER-ch internet U18"]
[Site "Playchess.com INT"]
[Date "2004.03.14"]
[Round "4"]
[White "Siebrecht, Marco"]
[Black "Meier, Tobias"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "1681"]
[BlackElo "2023"]
[PlyCount "119"]
[EventDate "2004.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nc3 e6 2. e4 c5 3. f4 Nc6 4. Nf3 b6 5. g3 Bb7 6. d3 g6 7. Bg2 Bg7 8. 0-0 Nge7 9. Be3 0-0 10. e5 d5 11. Nb5 Nf5 12. Bd2 a6 13. Na3 b5 14. g4 Nfd4 15. Nxd4 Nxd4 16. c3 Nc6 17. Nc2 f6 18. d4 cxd4 19. cxd4 Qb6 20. Be3 Rad8 21. Qd2 Rd7 22. Rac1 Rfd8 23. a3 a5 24. Ne1 b4 25. Nd3 Ba6 26. Rf2 fxe5 27. fxe5 Nxd4 28. Nc5 Bxe5 29. Nxd7 Rxd7 30. Rd1 Ne2+ 31. Rxe2 d4 32. Bf2 Bxe2 33. Qxe2 Bg7 34. Qd3 e5 35. Rc1 Rd8 36. Be4 bxa3 37. bxa3 Rf8 38. Qc4+ Kh8 39. Rb1 Qf6 40. Qe2 Qe7 41. a4 Qe6 42. h3 Qd6 43. Kg2 Qa3 44. Qc2 Qe7 45. Rb5 Qd8 46. Qd2 Rf4 47. Bf3 Bh6 48. Qd3 Qf8 49. Bg3 Rf7 50. Bxe5+ Bg7 51. Bxg7+ Kxg7 52. Rxa5 Re7 53. Rd5 Re3 54. Qxd4+ Kh6 55. Qxe3+ g5 56. Qe6+ Kg7 57. Rd7+ Kh8 58. Rf7 Qg8 59. Qf6+ Qg7 60. Qxg7# 1-0

[Event "GER-ch internet U18"]
[Site "Playchess.com INT"]
[Date "2004.03.14"]
[Round "6"]
[White "Siebrecht, Marco"]
[Black "Ries, Benjamin"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1711"]
[BlackElo "2105"]
[PlyCount "46"]
[EventDate "2004.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 Nc6 4. Ng3 Nf6 5. Bc4 e5 6. d3 Bb4+ 7. Bd2 Qe7 8. N1e2 h5 9. 0-0 h4 10. Nf5 Bxf5 11. exf5 Bd6 12. f4 0-0-0 13. Bb5 e4 14. Bxc6 bxc6 15. Nxd4 Bc5 16. c3 Bxd4+ 17. cxd4 Rxd4 18. dxe4 Rhd8 19. e5 Rxd2 20. Qa4 Qc5+ 21. Kh1 Qd5 22. Rg1 Ne4 23. Qxa7 Nf2+ 0-1

[Event "GER-ch internet U18"]
[Site "Playchess.com INT"]
[Date "2004.03.14"]
[Round "3"]
[White "Zwahr, Paul"]
[Black "Siebrecht, Marco"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2241"]
[BlackElo "1683"]
[PlyCount "67"]
[EventDate "2004.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bd2 Nf6 6. h3 Bf5 7. g4 Be6 8. Bg2 Qc7 9. Qe2 Nd5 10. Nxd5 Bxd5 11. Bxd5 cxd5 12. 0-0-0 e6 13. f4 Nc6 14. Nf3 0-0-0 15. Kb1 Bd6 16. Rhf1 g6 17. c3 Rde8 18. Ne5 f6 19. Nd3 b6 20. Rde1 e5 21. fxe5 fxe5 22. dxe5 Nxe5 23. Nxe5 Rxe5 24. Qd3 Rhe8 25. Rxe5 Rxe5 26. Bf4 Re4 27. Bxd6 Qxd6 28. Qa6+ Kc7 29. Qxa7+ Kc6 30. Qa8+ Kb5 31. b3 Re7 32. Rd1 Qe5 33. Rxd5+ Qxd5 34. Qxd5+ 1-0

[Event "Trignac L'Estuaire op 1st"]
[Site "Trignac"]
[Date "2001.02.15"]
[Round "7"]
[White "Siebrecht, Marco"]
[Black "Brunner, Nicolas"]
[Result "1-0"]
[ECO "B71"]
[WhiteElo "1650"]
[BlackElo "2166"]
[PlyCount "61"]
[EventDate "2001.02.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. Bc4 dxe5 10. 0-0 Qb6+ 11. Kh1 Bg7 12. Qf3 0-0 13. f5 Ba6 14. Bxa6 Qxa6 15. Bg5 Bf6 16. Bh6 Bg7 17. Bg5 f6 18. Be3 Rfd8 19. b3 Nf8 20. Ne4 Qc8 21. g4 g5 22. h4 h6 23. Kg2 Nd7 24. Rf2 Nb6 25. c4 Kf7 26. hxg5 hxg5 27. Bxg5 fxg5 28. Nxg5+ Ke8 29. Ne6 Kf7 30. Nxg7 Kxg7 31. f6+ 1-0

