[Event "Ruhrgebiet-ch U17"]
[Site "Muelheim"]
[Date "1993.??.??"]
[Round "?"]
[White "Haberecht, Christian"]
[Black "Sobczak, Mathias"]
[Result "0-1"]
[ECO "C28"]
[PlyCount "52"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 Bb4 5. f4 d5 6. exd5 Nxd5 7. Nge2 Bg4 8. Bxd5 Bxc3+ 9. bxc3 Qxd5 10. 0-0 Bxe2 11. Qxe2 Qc5+ 12. Be3 Qxc3 13. fxe5 Qxe5 14. Rae1 0-0 15. Qg4 Rfe8 16. d4 Qd6 17. c3 Re6 18. Bf4 Qe7 19. Rxe6 fxe6 20. Re1 Re8 21. d5 Qc5+ 22. Kf1 Qxd5 23. Bxc7 Qxa2 24. Bf4 Rf8 25. Kg1 Qc4 26. Bd2 Qxg4 0-1

[Event "Ruhrgebiet-ch U17"]
[Site "Muelheim"]
[Date "1993.??.??"]
[Round "?"]
[White "Kornek, Andreas"]
[Black "Sobczak, Mathias"]
[Result "1/2-1/2"]
[ECO "D41"]
[PlyCount "58"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 e6 4. Nc3 d5 5. cxd5 Nxd5 6. Nxd5 Qxd5 7. e3 Nc6 8. Bb5 cxd4 9. Bxc6+ Qxc6 10. Qxd4 Qc5 11. 0-0 Qxd4 12. Nxd4 Bc5 13. Nb3 Bb6 14. Bd2 e5 15. Bb4 Bd7 16. Rac1 Bc6 17. Rfd1 Ba4 18. Rd3 f6 19. Nd2 Bb5 20. Rdc3 Kf7 21. Ne4 Bc6 22. Nd6+ Kg6 23. Rc4 h5 24. R4c2 Rhd8 25. b3 Rd7 26. Nc4 Bc7 27. Re2 Rad8 28. Ree1 Bb5 29. g3 Bc6 1/2-1/2

[Event "Ruhrgebiet-ch U17"]
[Site "Muelheim"]
[Date "1993.??.??"]
[Round "?"]
[White "Schulte Eversum, Hendrik"]
[Black "Sobczak, Mathias"]
[Result "1/2-1/2"]
[ECO "A61"]
[PlyCount "45"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. h3 Bg7 8. Bg5 0-0 9. e4 Nbd7 10. Nd2 a6 11. a4 Re8 12. Be2 Rb8 13. 0-0 h6 14. Be3 Nf8 15. f3 Nh5 16. Bd3 Qh4 17. Bf2 Qg5 18. h4 Qf4 19. Ne2 Qf6 20. Nc3 Qf4 21. Ne2 Qf6 22. Nc3 Qf4 23. Ne2 1/2-1/2

[Event "Ruhrgebiet-ch U17"]
[Site "Muelheim"]
[Date "1993.??.??"]
[Round "?"]
[White "Sobczak, Mathias"]
[Black "Frombach, Ralf"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "70"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 a6 3. Nf3 e6 4. Nc3 b5 5. Be2 Bb7 6. d3 Be7 7. a4 b4 8. Nb1 Nf6 9. Be3 d5 10. exd5 Nxd5 11. Nbd2 0-0 12. Nc4 Nd7 13. 0-0 Bf6 14. Nfd2 Be7 15. a5 Qc7 16. Bf3 f5 17. Nb3 f4 18. Bc1 Rf6 19. Qe2 Nf8 20. Ne5 Bd6 21. Nc4 Qe7 22. Nxd6 Qxd6 23. Nd2 Qc7 24. Nc4 Qe7 25. Ne5 Ng6 26. Nxg6 Rxg6 27. Bxd5 Bxd5 28. f3 Qh4 29. Qf2 Qg5 30. Kh1 Rf8 31. Rg1 Rf5 32. Bd2 Qh6 33. Rae1 Rg3 34. Re2 Rh5 35. h3 Bxf3 0-1

[Event "Ruhrgebiet-ch U17"]
[Site "Muelheim"]
[Date "1993.??.??"]
[Round "?"]
[White "Sobczak, Mathias"]
[Black "Hackl Sommer, Rene"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "117"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Qd3 0-0 8. Bg5 Bxc3+ 9. Qxc3 Nxe4 10. Bxd8 Nxc3 11. Bg5 Ne4 12. Be3 Nf6 13. 0-0-0 d5 14. c3 Bg4 15. h3 Bh5 16. Rd2 e4 17. Nd4 a6 18. g4 Bg6 19. Bg2 Rad8 20. Rhd1 Ne7 21. Ne2 h6 22. Nf4 Rd7 23. Bc5 Re8 24. Bxe7 Rexe7 25. Nxd5 Nxd5 26. Rxd5 Rxd5 27. Rxd5 e3 28. fxe3 Rxe3 29. Rd8+ Kh7 30. Bxb7 Rxh3 31. Bxa6 Rh2 32. Rd2 Rh1+ 33. Rd1 Rh2 34. Rd2 Rh1+ 35. Rd1 Rh2 36. Bd3 Rg2 37. Bxg6+ Kxg6 38. Rd4 Kg5 39. a4 h5 40. gxh5 Kxh5 41. a5 Re2 42. Rd8 Re7 43. Ra8 f5 44. a6 g5 45. a7 Kg4 46. b4 f4 47. b5 Rb7 48. b6 Rxb6 49. Rb8 Ra6 50. a8Q Rxa8 51. Rxa8 Kf3 52. Kd1 g4 53. Ke1 Kg2 54. Ra2+ Kg1 55. Rf2 f3 56. c4 g3 57. Rxf3 Kg2 58. Rxg3+ Kxg3 59. c5 1-0

[Event "Ruhrgebiet-ch U17"]
[Site "Muelheim"]
[Date "1993.??.??"]
[Round "?"]
[White "Sobczak, Mathias"]
[Black "Kaiser, Thomas"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "60"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 b5 7. Bd3 Bb7 8. f3 e6 9. Bg5 Be7 10. Qd2 0-0 11. a3 Nbd7 12. 0-0-0 Nb6 13. Nb3 Nc4 14. Bxc4 bxc4 15. Nd4 Qb6 16. Be3 Qc7 17. h4 Rab8 18. Nb1 Ba8 19. c3 d5 20. e5 Nd7 21. f4 Nc5 22. Qc2 Nd3+ 23. Rxd3 cxd3 24. Qxd3 Qb7 25. b4 a5 26. g4 axb4 27. axb4 Rfc8 28. Kd2 Qa7 29. Qc2 Qa6 30. b5 Qa5 0-1

[Event "Ruhrgebiet-ch U17"]
[Site "Muelheim"]
[Date "1993.??.??"]
[Round "?"]
[White "Sobczak, Mathias"]
[Black "Rolf, Sebastian"]
[Result "1/2-1/2"]
[ECO "B34"]
[PlyCount "101"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nf3 Nf6 7. Bc4 0-0 8. 0-0 a6 9. Re1 b5 10. Bb3 Bb7 11. Nd5 d6 12. Nxf6+ Bxf6 13. Bh6 Bg7 14. Bxg7 Kxg7 15. c3 Rc8 16. e5 dxe5 17. Qxd8 Rcxd8 18. Nxe5 Nxe5 19. Rxe5 Kf6 20. Rae1 e6 21. c4 bxc4 22. Bxc4 Rd2 23. R5e2 Rfd8 24. f3 a5 25. a4 Bc6 26. b3 Rxe2 27. Rxe2 Rd1+ 28. Kf2 Rc1 29. f4 Bxa4 30. Ra2 Bc6 31. Rxa5 Rc2+ 32. Ke3 Bxg2 33. Kd3 Rb2 34. Ra4 Bh3 35. b4 h5 36. b5 Rxh2 37. Rb4 Rh1 38. b6 Rd1+ 39. Ke3 Rd8 40. b7 Rb8 41. Kf2 Ke7 42. Ba6 e5 43. fxe5 Be6 44. Rd4 Bd7 45. Rc4 Kd8 46. Ke3 g5 47. Rc1 h4 48. Kf3 Be6 49. Kf2 g4 50. Rc3 g3+ 51. Kg1 1/2-1/2

