[Event "Mecklenburg VP-ch U12"]
[Site "Germany"]
[Date "2002.??.??"]
[Round "5"]
[White "Baessler, Maike"]
[Black "Osterrieder, Mathias"]
[Result "1-0"]
[ECO "B10"]
[PlyCount "99"]
[EventDate "2002.??.??"]
[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 c6 2. Nf3 d5 3. exd5 cxd5 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. 0-0 e6 7. Ne5 Qc7 8. Qe2 Bd6 9. Re1 Nf6 10. d4 Nbd7 11. Bg5 Ne4 12. Bf4 Bxe5 13. dxe5 Nxe5 14. Bxe5 Qxe5 15. Nd2 0-0 16. f3 Qd4+ 17. Kh1 f5 18. fxe4 dxe4 19. Qc4 Qxc4 20. Nxc4 Rae8 21. Rad1 e5 22. Rd7 Rf7 23. Rxf7 Kxf7 24. Nd6+ Ke7 25. Nxe8 Kxe8 26. Rd1 e3 27. Re1 f4 28. Kg1 g5 29. c4 Kd8 30. g3 fxg3 31. hxg3 Kd7 32. Rxe3 Kd6 33. b4 a5 34. bxa5 Kc5 35. Rxe5+ Kxc4 36. Re7 Kb5 37. Rxb7+ Kxa5 38. Ra7+ Kb6 39. Rxh7 Kb5 40. Rg7 Kb4 41. Rxg5 Ka3 42. g4 Kxa2 43. Ra5+ Kb3 44. g5 Kb4 45. Rf5 Kc4 46. g6 Kd4 47. g7 Ke4 48. Rf8 Ke5 49. g8Q Ke4 50. Qe6+ 1-0

[Event "Mecklenburg VP-ch U12"]
[Site "Germany"]
[Date "2002.??.??"]
[Round "2"]
[White "Modrow, Andreas"]
[Black "Osterrieder, Mathias"]
[Result "1-0"]
[ECO "A28"]
[PlyCount "81"]
[EventDate "2002.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e4 5. Nd2 Nxd4 6. Ndxe4 c5 7. e3 Ne6 8. g3 Qa5 9. Bd2 Qb4 10. b3 Be7 11. Nd5 Qa3 12. Nexf6+ gxf6 13. Nxe7 Kxe7 14. Qc1 Qa6 15. Bg2 Qd6 16. 0-0 Qe5 17. f4 Qh5 18. Qd1 Qg6 19. f5 Qg5 20. fxe6 fxe6 21. e4 Qg6 22. Bc3 h5 23. Bxf6+ Kf7 24. Bxh8+ Kg8 25. Be5 d5 26. exd5 exd5 27. Bxd5+ Be6 28. Bxe6+ Qxe6 29. Qd5 Re8 30. Qxe6+ Rxe6 31. Rae1 h4 32. Rf6 Re7 33. Rg6+ Kh7 34. Rg4 a6 35. Rxh4+ Kg6 36. Bc3 b5 37. Rxe7 bxc4 38. bxc4 a5 39. Rf4 a4 40. Rg7+ Kh6 41. Rh4# 1-0

[Event "Mecklenburg VP-ch U12"]
[Site "Germany"]
[Date "2002.??.??"]
[Round "6"]
[White "Osterrieder, Mathias"]
[Black "Assmann, Clemens"]
[Result "1/2-1/2"]
[ECO "C68"]
[PlyCount "32"]
[EventDate "2002.??.??"]
[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. Bb5 a6 4. Bxc6 bxc6 5. Nxe5 Qg5 6. d4 d6 7. Bxg5 dxe5 8. dxe5 Be6 9. Nc3 Be7 10. Bxe7 Nxe7 11. 0-0 0-0 12. Qd3 Ng6 13. Na4 Nxe5 14. Qg3 Nd7 15. e5 c5 16. Nc3 Rab8 1/2-1/2

[Event "Mecklenburg VP-ch U12"]
[Site "Germany"]
[Date "2002.??.??"]
[Round "1"]
[White "Osterrieder, Mathias"]
[Black "Behm, Lisa"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "82"]
[EventDate "2002.??.??"]
[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. Nc3 Nf6 3. Nf3 Bf5 4. Bf4 e6 5. Qd2 Bb4 6. Qe3 Nc6 7. 0-0-0 Ne4 8. h4 f6 9. Qd3 Nxf2 10. Re1 Nxd3+ 11. exd3 Bxc3 12. Bd2 Bb4 13. g3 Qd6 14. Rg1 e5 15. g4 Be6 16. g5 Bxd2+ 17. Nxd2 fxg5 18. hxg5 Nxd4 19. Be2 Nxe2+ 20. Rxe2 h6 21. gxh6 gxh6 22. Nb3 d4 23. Reg2 Bxb3 24. axb3 Qd5 25. c3 dxc3 26. bxc3 Kd7 27. Rg7+ Kc6 28. R7g6+ Kc5 29. d4+ Kb5 30. c4+ Qxc4+ 31. bxc4+ Kxc4 32. dxe5 h5 33. Kc2 Rad8 34. Rd1 Rxd1 35. Kxd1 h4 36. e6 Rd8+ 37. Ke1 a5 38. Kf1 a4 39. Kg2 a3 40. Kh3 a2 41. Rg1 Kb3 0-1

[Event "Mecklenburg VP-ch U12"]
[Site "Germany"]
[Date "2002.??.??"]
[Round "7"]
[White "Osterrieder, Mathias"]
[Black "Bruhn, Christopher"]
[Result "1/2-1/2"]
[ECO "C46"]
[PlyCount "39"]
[EventDate "2002.??.??"]
[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 Bc5 4. Nxe5 Nxe5 5. d4 Bb4 6. dxe5 Bxc3+ 7. bxc3 d6 8. Qd4 Ne7 9. Bb5+ Bd7 10. Bc4 0-0 11. Qe3 dxe5 12. Qg3 h6 13. Bxh6 Nf5 14. exf5 Qf6 15. Qh3 Bxf5 16. Qh5 Bg6 17. Qg5 Qxg5 18. Bxg5 Bxc2 19. 0-0 Rae8 20. Be2 1/2-1/2

[Event "Mecklenburg VP-ch U12"]
[Site "Germany"]
[Date "2002.??.??"]
[Round "3"]
[White "Osterrieder, Mathias"]
[Black "Reiff, Jan"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "82"]
[EventDate "2002.??.??"]
[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 Bb4 5. a3 Bxc3 6. dxc3 Nxe4 7. Bd3 d5 8. 0-0 0-0 9. Bxe4 dxe4 10. Qxd8 Rxd8 11. Ng5 Bf5 12. Be3 f6 13. Rad1 fxg5 14. Bxg5 Rd7 15. b4 h6 16. Be3 Rad8 17. Rd2 Rxd2 18. Bxd2 Rxd2 19. h3 e3 20. fxe3 Be4 21. b5 Rxg2+ 22. Kh1 Rxc2+ 23. Kg1 Ne7 24. Rd1 Rxc3 25. Rd7 Nd5 26. Rd8+ Kh7 27. Ra8 Rxa3 28. Rb8 b6 29. Kf2 Rxe3 30. Kg1 Rxh3 31. Rf8 a5 32. bxa6 b5 33. a7 Nb6 34. Rc8 Nxc8 35. a8Q Bxa8 36. Kf2 b4 37. Ke2 b3 38. Kd2 e4 39. Kd1 e3 40. Kc1 b2+ 41. Kxb2 e2 0-1

[Event "Mecklenburg VP-ch U12"]
[Site "Germany"]
[Date "2002.??.??"]
[Round "4"]
[White "Philipp, Daniel"]
[Black "Osterrieder, Mathias"]
[Result "1-0"]
[ECO "C48"]
[PlyCount "49"]
[EventDate "2002.??.??"]
[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. Bb5 a6 4. Bxc6 bxc6 5. Nxe5 Nf6 6. Nc3 Bd6 7. Nf3 0-0 8. e5 Bxe5 9. Nxe5 Qe8 10. d4 d6 11. 0-0 dxe5 12. Re1 Bg4 13. f3 Be6 14. dxe5 Nh5 15. f4 Qd7 16. Qxh5 Bg4 17. Qh4 Qd4+ 18. Be3 Qd7 19. Bc5 Rfe8 20. h3 Bf5 21. Rad1 Qe6 22. Rd2 Red8 23. Rxd8+ Rxd8 24. Qxd8+ Qe8 25. Qxe8# 1-0

