[Event "GER-ch Seniors 65"]
[Site "Hamburg"]
[Date "2018.07.29"]
[Round "9"]
[White "Biermann Ratjen, Mathias"]
[Black "Keuneke, Hanno"]
[Result "1-0"]
[ECO "C37"]
[WhiteElo "1878"]
[BlackElo "1750"]
[PlyCount "28"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 d6 5. h4 g4 6. Ng5 Nh6 7. d4 f6 8. Ne6 Qe7 9. d5 Bxe6 10. dxe6 Nc6 11. Bxf4 Ne5 12. Bb3 0-0-0 13. Nc3 Bg7 14. Qd2 Nhf7 1-0

[Event "GER-ch Seniors 65"]
[Site "Hamburg"]
[Date "2018.07.28"]
[Round "8"]
[White "Husser, Oskar"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "1732"]
[BlackElo "1878"]
[PlyCount "70"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. d3 Nc6 4. g3 e5 5. Bg2 g6 6. 0-0 Bg7 7. a3 a5 8. e3 Nge7 9. exd4 exd4 10. Re1 0-0 11. Bd2 Bg4 12. h3 Bd7 13. Bg5 f6 14. Bf4 g5 15. Bd2 Ng6 16. a4 Rb8 17. Na3 Nge5 18. Nxe5 Nxe5 19. Bxa5 Qc8 20. f4 gxf4 21. gxf4 Ng6 22. Qf3 c6 23. Bb4 Re8 24. Rxe8+ Qxe8 25. Re1 Qf7 26. Nc2 f5 27. Qf2 Bf6 28. Re2 Qg7 29. Bc5 Qh6 30. Bd6 Ra8 31. b3 Kf7 32. Nxd4 Bh4 33. Qf1 Bg3 34. Nf3 Bxf4 35. Bxf4 Qxf4 1-0

[Event "GER-ch Seniors 65"]
[Site "Hamburg"]
[Date "2018.07.27"]
[Round "7"]
[White "Biermann Ratjen, Mathias"]
[Black "Jung, Michael"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1878"]
[BlackElo "1756"]
[PlyCount "24"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 Nf6 3. Nc3 d5 4. e5 Nfd7 5. Nf3 Be7 6. Bd3 c5 7. dxc5 Nxc5 8. 0-0 Nxd3 9. cxd3 0-0 10. Re1 Bd7 11. Bf4 b5 12. a3 a5 1/2-1/2

[Event "GER-ch Seniors 65"]
[Site "Hamburg"]
[Date "2018.07.26"]
[Round "6"]
[White "Haase, Wolfgang"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2028"]
[BlackElo "1878"]
[PlyCount "85"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. e4 g6 4. g3 Bg7 5. Bg2 d6 6. Nge2 Nge7 7. 0-0 0-0 8. d3 f5 9. Bg5 h6 10. Be3 Nd4 11. f4 Nec6 12. Qd2 Kh7 13. Kh1 Be6 14. Rab1 fxe4 15. Nxe4 Nxe2 16. Qxe2 Nd4 17. Bxd4 exd4 18. Ng5+ hxg5 19. Qxe6 gxf4 20. Bxb7 Rb8 21. Be4 Rf6 22. Qh3+ Bh6 23. gxf4 Kg7 24. f5 Qd7 25. Qg2 g5 26. h4 Rh8 27. Kg1 Kf8 28. Bc6 Qg7 29. Rbe1 gxh4 30. Re8+ Kf7 31. Rxh8 Be3+ 32. Kh1 Qxh8 33. Bd5+ Kf8 34. Be6 h3 35. Qb7 Kg7 36. Qxc7+ Kh6 37. Rf3 Kg5 38. Qxd6 Qh5 39. Qg3+ Kh6 40. Qxh3 Qxh3+ 41. Rxh3+ Kg5 42. Kg2 Rf8 43. Kf3 1-0

[Event "GER-ch Seniors 65"]
[Site "Hamburg"]
[Date "2018.07.25"]
[Round "5"]
[White "Biermann Ratjen, Mathias"]
[Black "Lomer, Edmund"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1878"]
[BlackElo "2043"]
[PlyCount "31"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Nf6 4. d4 c6 5. c4 Qa5+ 6. Bd2 Qb6 7. Qb3 Bg4 8. Qxb6 axb6 9. Ne5 e6 10. Nxg4 Nxg4 11. Be2 Nf6 12. Bf3 Be7 13. Nc3 Nbd7 14. 0-0 0-0 15. Rfe1 Rfe8 16. d5 1/2-1/2

[Event "GER-ch Seniors 65"]
[Site "Hamburg"]
[Date "2018.07.24"]
[Round "4"]
[White "Paus, Franz"]
[Black "Biermann Ratjen, Mathias"]
[Result "1/2-1/2"]
[ECO "E17"]
[WhiteElo "2095"]
[BlackElo "1878"]
[PlyCount "60"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 d6 7. 0-0 Nbd7 8. Re1 0-0 9. e4 e5 10. d5 g6 11. Bh3 Kg7 12. Be3 Nc5 13. Qd2 Ng8 14. b4 Nd7 15. Ng5 h6 16. Nf3 Ndf6 17. c5 Bc8 18. Bg2 Ng4 19. c6 Nxe3 20. Qxe3 f5 21. a4 a6 22. exf5 gxf5 23. Qd2 Bf6 24. b5 a5 25. Rab1 Ne7 26. Kh1 Qe8 27. Ng1 Qf7 28. Ra1 Kh7 29. Nh3 Qg7 30. Ne2 Rg8 1/2-1/2

[Event "GER-ch Seniors 65+ 30th"]
[Site "Hamburg"]
[Date "2018.07.23"]
[Round "3"]
[White "Biermann Ratjen, Mathias"]
[Black "Limberg, Siegfried"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1878"]
[BlackElo "2075"]
[PlyCount "42"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 g6 3. Nf3 Bg7 4. c3 d6 5. Bc4 Nf6 6. Bd3 0-0 7. h3 Nbd7 8. Bf4 Qa5 9. b4 Qc7 10. Nbd2 e5 11. Bh2 Nh5 12. g4 Nf4 13. Bxf4 exf4 14. Kf1 c5 15. Rc1 Nb6 16. Kg2 Qe7 17. bxc5 dxc5 18. Re1 Bd7 19. e5 Bc6 20. Be4 Rad8 21. Bxc6 bxc6 1/2-1/2

[Event "GER-ch Seniors 65"]
[Site "Hamburg"]
[Date "2018.07.22"]
[Round "2"]
[White "Schulz, Wolfgang1111"]
[Black "Biermann Ratjen, Mathias"]
[Result "1/2-1/2"]
[ECO "C63"]
[WhiteElo "2045"]
[BlackElo "1878"]
[PlyCount "34"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. Nc3 Bb4 7. 0-0 Bxc3 8. bxc3 0-0 9. Qd3 Qe8 10. Bc4+ Kh8 11. Bg5 d6 12. Rae1 Ne7 13. Bb3 Nh5 14. Nd2 Ng6 15. Qe3 Nhf4 16. Bxf4 Nxf4 17. Kh1 Rf6 1/2-1/2

[Event "GER-ch Seniors 65"]
[Site "Hamburg"]
[Date "2018.07.21"]
[Round "1"]
[White "Biermann Ratjen, Mathias"]
[Black "Graffenberger, Marianne"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1878"]
[BlackElo "1399"]
[PlyCount "63"]
[EventDate "2018.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Be7 3. Nf3 Nc6 4. Nc3 d6 5. h3 Nf6 6. d4 0-0 7. d5 Nd4 8. Nxd4 exd4 9. Qxd4 c5 10. Qd3 a6 11. a4 Bd7 12. 0-0 b5 13. axb5 axb5 14. Rxa8 Qxa8 15. Bxb5 Bxb5 16. Nxb5 Qa6 17. c4 Nd7 18. Bf4 Ne5 19. Bxe5 dxe5 20. d6 Bf6 21. Rd1 Rd8 22. Qa3 Qb6 23. Rd5 g6 24. Qxc5 Qxc5 25. Rxc5 Ra8 26. Rd5 Ra1+ 27. Kh2 Ra2 28. Rd2 Bg5 29. Rc2 Ra8 30. c5 Rb8 31. c6 Bd8 32. c7 1-0

[Event "Hamburg-ch Seniors 21st"]
[Site "Hamburg"]
[Date "2014.11.05"]
[Round "8"]
[White "Lochmann, Viktor"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1619"]
[BlackElo "1743"]
[PlyCount "121"]
[EventDate "2014.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 g6 2. e3 Bg7 3. d4 c5 4. c4 Nf6 5. Nc3 cxd4 6. exd4 0-0 7. Be2 d5 8. b3 Nc6 9. Be3 e6 10. a3 a6 11. c5 Qc7 12. Na4 Nd7 13. Rc1 b5 14. cxb6 Nxb6 15. Nxb6 Qxb6 16. b4 Bd7 17. Rc5 Rfc8 18. Qd2 Bf8 19. Rc3 f6 20. 0-0 Be7 21. Rfc1 Bd6 22. g3 Na7 23. h4 Rxc3 24. Rxc3 Bb5 25. Bd1 Bc4 26. Qc2 Rc8 27. Nd2 Qb5 28. Nxc4 Rxc4 29. Rxc4 Qxc4 30. Qxc4 dxc4 31. Be2 Nb5 32. Bxc4 Nxa3 33. Bxe6+ Kf8 34. Bh6+ Ke7 35. Bg8 Bxb4 36. Bxh7 Kf7 37. h5 g5 38. Bd3 a5 39. f4 Be7 40. Kf2 Ke6 41. Ke3 Kd5 42. Be4+ Kc4 43. Bg7 Kc3 44. fxg5 Nc4+ 45. Ke2 a4 46. gxf6 Bd6 47. f7 a3 48. Bd5 a2 49. Bxc4 Kxc4 50. d5 Kxd5 51. h6 Bf8 52. g4 a1Q 53. Bxa1 Bxh6 54. Kf3 Ke6 55. g5 Bf8 56. g6 Bh6 57. Kg4 Bf8 58. Kg5 Ke7 59. Kf5 Bh6 60. Bf6+ Kf8 61. Ke6 1-0

[Event "Hamburg-ch Seniors 21st"]
[Site "Hamburg"]
[Date "2014.11.04"]
[Round "7"]
[White "Biermann Ratjen, Mathias"]
[Black "Wolke, Reimund"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "1743"]
[BlackElo "1701"]
[PlyCount "65"]
[EventDate "2014.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 e6 5. Nge2 Be7 6. d3 0-0 7. 0-0 Nc6 8. h3 a6 9. Be3 Qc7 10. f4 Rb8 11. g4 b5 12. Ng3 b4 13. Nce2 d5 14. g5 Nd7 15. exd5 exd5 16. Bxd5 Nb6 17. Bg2 Rd8 18. Qe1 Nd5 19. Bd2 Nd4 20. Nxd4 cxd4 21. Rc1 Ne3 22. Ne4 Nxf1 23. Kxf1 Be6 24. Qh4 Bf5 25. Ng3 Be6 26. Be4 g6 27. f5 Bd5 28. fxg6 fxg6 29. Kg2 Bxe4+ 30. Nxe4 Qc6 31. Kg1 Rf8 32. Bf4 Rb5 33. Qg3 1/2-1/2

[Event "Hamburg-ch Seniors 21st"]
[Site "Hamburg"]
[Date "2014.11.03"]
[Round "6"]
[White "Hawranke, Dietrich"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2030"]
[BlackElo "1743"]
[PlyCount "65"]
[EventDate "2014.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 g6 2. e4 d6 3. Nc3 Bg7 4. Be3 a6 5. a4 Nd7 6. Nf3 c6 7. Bc4 e6 8. 0-0 Ne7 9. Qd2 h6 10. Rfd1 d5 11. Bf1 g5 12. Bd3 Nf8 13. exd5 exd5 14. Re1 Be6 15. a5 Nfg6 16. Na4 0-0 17. Nc5 Qc8 18. Qb4 Rb8 19. Ne5 Nxe5 20. dxe5 Nf5 21. Bd4 Nxd4 22. Qxd4 Rd8 23. b4 Qc7 24. h4 Qe7 25. hxg5 hxg5 26. Rad1 Kf8 27. Re3 Ke8 28. Rde1 Qf8 29. Rf3 Qh8 30. Nxe6 fxe6 31. Bg6+ Kd7 32. Rf7+ Kc8 33. Re7 1-0

[Event "Hamburg-ch Seniors 21st"]
[Site "Hamburg"]
[Date "2014.11.02"]
[Round "5"]
[White "Blumenberg, Walter"]
[Black "Biermann Ratjen, Mathias"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1856"]
[BlackElo "1743"]
[PlyCount "68"]
[EventDate "2014.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. b4 e5 2. a3 f6 3. e4 c6 4. d4 d6 5. Bb2 Qc7 6. Bc4 Nd7 7. Bxg8 Rxg8 8. Qh5+ g6 9. Qxh7 Rg7 10. Qh4 Kf7 11. Nd2 b5 12. Ne2 Be7 13. Qg3 Nb6 14. 0-0 g5 15. Rac1 Be6 16. Qf3 g4 17. Qe3 Rh8 18. Ng3 Rgh7 19. f4 Ke8 20. Rf2 Rxh2 21. Rd1 Bf8 22. Ndf1 R2h4 23. Bc1 Qh7 24. Re2 Bh6 25. dxe5 Nc4 26. Qd3 fxe5 27. f5 Bxc1 28. Rxc1 Qh6 29. Rb1 Bd7 30. a4 a6 31. axb5 axb5 32. Ra1 Ke7 33. Ra7 Qf4 34. Rf2 Qh6 1/2-1/2

[Event "Hamburg-ch Seniors 21st"]
[Site "Hamburg"]
[Date "2014.10.31"]
[Round "4"]
[White "Biermann Ratjen, Mathias"]
[Black "Keuneke, Hanno"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "1743"]
[BlackElo "1616"]
[PlyCount "99"]
[EventDate "2014.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bc5 5. h3 0-0 6. Nge2 d6 7. Na4 Bb6 8. Nxb6 axb6 9. d3 Be6 10. Nc3 Nd4 11. Bg5 c6 12. a3 h6 13. Be3 Qc8 14. g4 c5 15. g5 hxg5 16. Bxg5 Nh7 17. Be7 Re8 18. Bxd6 Bd7 19. Nd5 Nb5 20. Ne7+ Rxe7 21. Bxe7 f6 22. a4 Nd4 23. c3 Nc6 24. Bd6 Be6 25. b4 Nd8 26. d4 cxd4 27. cxd4 Qc3+ 28. Kf1 Nf7 29. Rc1 Qxd4 30. Qxd4 exd4 31. Bf4 Rxa4 32. Bd2 Ne5 33. h4 Nc4 34. Ke2 Ne5 35. Bh3 Nf8 36. Bxe6+ Nxe6 37. Ra1 b5 38. Rxa4 bxa4 39. f4 Nc4 40. f5 Nxd2 41. Kxd2 Nc7 42. Kd3 Na6 43. b5 Nc5+ 44. Kxd4 b6 45. Kd5 Nb3 46. Rb1 Kh7 47. Kc6 Nd2 48. Ra1 Nxe4 49. Rxa4 Nc3 50. Rc4 1-0

[Event "Hamburg-ch Seniors 21st"]
[Site "Hamburg"]
[Date "2014.10.30"]
[Round "3"]
[White "Behrensen Senfft, Joern"]
[Black "Biermann Ratjen, Mathias"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1525"]
[BlackElo "1743"]
[PlyCount "120"]
[EventDate "2014.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nc3 Bb4 5. a3 Bxc3+ 6. bxc3 c6 7. c5 Nbd7 8. Bg2 e5 9. Nf3 e4 10. Nd2 Qe7 11. e3 Nf8 12. c4 Ng6 13. Rb1 0-0 14. a4 h5 15. Ba3 Be6 16. cxd5 Bxd5 17. Qc2 h4 18. Nc4 hxg3 19. hxg3 Rab8 20. Nd6 Rfd8 21. Bh3 Qc7 22. Bf5 Ne7 23. Nxe4 Nxe4 24. Bxe4 Qa5+ 25. Bb4 Qc7 26. Bxd5 Rxd5 27. Qh7+ Kf8 28. Rh4 Qd7 29. Rf4 Re8 30. Bc3 Ng8 31. e4 Rg5 32. Kf1 Re6 33. e5 Rh6 34. Qe4 Rgh5 35. Ke2 Ne7 36. Bd2 Nd5 37. Rh4 Rxh4 38. gxh4 b6 39. cxb6 axb6 40. Bb4+ Kg8 41. Bd2 Qh3 42. Rh1 Qb3 43. Qd3 Qa2 44. Kf3 Re6 45. h5 Qxa4 46. h6 g6 47. h7+ Kh8 48. Bh6 Kxh7 49. Kg2 Kg8 50. Qh3 Qxd4 51. Be3 Qe4+ 52. Kg1 Qb1+ 53. Kg2 Nxe3+ 54. Qxe3 Qb5 55. Qg5 Qxe5 56. Qd8+ Re8 57. Qxb6 c5 58. Rh3 Kg7 59. Qb3 Qe4+ 60. Rf3 Re7 0-1

[Event "Hamburg-ch Seniors 21st"]
[Site "Hamburg"]
[Date "2014.10.29"]
[Round "2"]
[White "Biermann Ratjen, Mathias"]
[Black "Grimm, Uwe"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1743"]
[BlackElo "2080"]
[PlyCount "107"]
[EventDate "2014.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. Bd3 Ng6 5. Ne2 Bc5 6. Ng3 Nf6 7. Nf5 0-0 8. g3 d6 9. Qf3 Bxf5 10. Qxf5 h6 11. Nc3 a6 12. h4 Qc8 13. Qxc8 Raxc8 14. h5 Ne7 15. Rh4 c6 16. dxc6 Nxc6 17. Be3 Bb4 18. 0-0-0 Bxc3 19. bxc3 Na5 20. f3 Rc6 21. g4 Nh7 22. Rg1 f6 23. Bd2 Rfc8 24. f4 exf4 25. Rf1 Nc4 26. Bxc4+ Rxc4 27. Bxf4 Rxc3 28. Rh2 R3c4 29. Re2 Ra4 30. Kb2 Rcc4 31. Bxd6 Rxe4 32. Rxe4 Rxe4 33. Rf4 Re6 34. Rd4 Ng5 35. Bf4 Rb6+ 36. Kc1 Ne6 37. Rd6 Rxd6 38. Bxd6 f5 39. gxf5 Nd4 40. Kd2 Nxf5 41. Bf4 Kf7 42. Kd3 Ke6 43. Ke4 Ne7 44. Be5 g6 45. hxg6 Nxg6 46. Bg7 h5 47. Bh6 b5 48. Bg5 Ne5 49. Kf4 Nc6 50. a3 Nd4 51. Kg3 Nxc2 52. Bc1 Kf5 53. Kh4 Kg6 54. Bb2 0-1

[Event "Hamburg-ch Seniors 21st"]
[Site "Hamburg"]
[Date "2014.10.29"]
[Round "1"]
[White "Hilbig, Klaus"]
[Black "Biermann Ratjen, Mathias"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1418"]
[BlackElo "1743"]
[PlyCount "82"]
[EventDate "2014.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 g6 4. c4 c6 5. Nc3 Bg7 6. Be2 0-0 7. 0-0 Nbd7 8. cxd5 cxd5 9. Qc2 b6 10. Bb5 Bb7 11. Qa4 a6 12. Bd3 b5 13. Qb4 a5 14. Qb3 b4 15. Na4 Bc6 16. Bd2 Ne4 17. Rfc1 Bb7 18. Nc5 Ndxc5 19. dxc5 Bc6 20. Be1 e6 21. Nd4 Bxd4 22. exd4 Qd7 23. Qd1 f6 24. f3 Ng5 25. h4 Nf7 26. f4 Kg7 27. Qe2 Rae8 28. a3 e5 29. fxe5 fxe5 30. dxe5 Nxe5 31. Qc2 d4 32. Bg3 Ng4 33. h5 Re3 34. Bd6 Rf2 35. Qxf2 Nxf2 36. Kxf2 Rxd3 37. h6+ Kxh6 38. Rh1+ Kg7 39. Be5+ Kg8 40. Bf4 Qg4 41. g3 Qf3+ 0-1

[Event "Davos op"]
[Site "Davos"]
[Date "2014.07.13"]
[Round "9"]
[White "Goldstern, Filip Daniel"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2301"]
[BlackElo "1958"]
[PlyCount "55"]
[EventDate "2014.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 a6 6. Nf3 g6 7. Be2 Bg7 8. 0-0 0-0 9. Bg5 h6 10. Bh4 Nbd7 11. Nd2 g5 12. Bg3 Re8 13. Re1 Nf8 14. Nf1 Nxe4 15. Nxe4 f5 16. f3 fxe4 17. fxe4 Qf6 18. Ne3 Ng6 19. Bg4 Nf4 20. Bxc8 Raxc8 21. Nf5 Rc7 22. a4 Bf8 23. Ra3 Rh7 24. a5 h5 25. Rb3 h4 26. Bf2 Qg6 27. Qg4 Nh5 28. Bxh4 1-0

[Event "Davos op"]
[Site "Davos"]
[Date "2014.07.12"]
[Round "8"]
[White "Biermann Ratjen, Mathias"]
[Black "Langheinrich, Ferenc"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1958"]
[BlackElo "2444"]
[PlyCount "48"]
[EventDate "2014.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 g6 5. Be2 dxc4 6. Bxc4 Bg7 7. 0-0 0-0 8. Nc3 Bg4 9. Be2 Nbd7 10. e4 Bxf3 11. Bxf3 e5 12. d5 c5 13. b3 Ne8 14. a4 Nd6 15. Ba3 f5 16. Re1 a6 17. Rc1 b5 18. Nb1 Rc8 19. Rc2 b4 20. Bc1 c4 21. bxc4 b3 22. Rce2 Nc5 23. Nc3 Nxc4 24. Bb2 Qa5 0-1

[Event "Davos op"]
[Site "Davos"]
[Date "2014.07.11"]
[Round "6"]
[White "Boschetti, Claudio"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2100"]
[BlackElo "1958"]
[PlyCount "55"]
[EventDate "2014.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 Bg4 6. exd5 cxd5 7. h3 Bxf3 8. Qxf3 h6 9. 0-0 Be7 10. Nc3 0-0 11. Nxd5 Nc6 12. c3 Na5 13. Nxf6+ Bxf6 14. Bc2 Kh7 15. d4+ g6 16. dxe5 Bxe5 17. Re1 Bg7 18. Be3 Nc6 19. Bc5 Ne5 20. Rxe5 Bxe5 21. Bxf8 Qxf8 22. Qxb7 Rb8 23. Qxa7 Rxb2 24. Bb3 Kg7 25. Qe3 Bd6 26. Rf1 Bc5 27. Qe5+ Kg8 28. Kh1 1-0

[Event "Davos op"]
[Site "Davos"]
[Date "2014.07.10"]
[Round "5"]
[White "Biermann Ratjen, Mathias"]
[Black "Cacciola, Alfredo"]
[Result "0-1"]
[ECO "B26"]
[WhiteElo "1958"]
[BlackElo "2122"]
[PlyCount "56"]
[EventDate "2014.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 e6 6. Nge2 Nge7 7. 0-0 0-0 8. Be3 Nd4 9. Qd2 d6 10. Nf4 Rb8 11. Nd1 b5 12. c3 Ndc6 13. Ne2 b4 14. d4 bxc3 15. bxc3 cxd4 16. cxd4 Ba6 17. Ndc3 Na5 18. Rfb1 Nc4 19. Qc1 Nxe3 20. Qxe3 Qa5 21. Nc1 Rbc8 22. N1e2 Rc4 23. Rb3 Rfc8 24. Bf1 Bxd4 25. Nxd4 Rxc3 26. Qe1 Bxf1 27. Kxf1 Qa6+ 28. Kg2 R3c4 0-1

[Event "Davos op"]
[Site "Davos"]
[Date "2014.07.09"]
[Round "3"]
[White "Biermann Ratjen, Mathias"]
[Black "Kuhn, Thomas"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1958"]
[BlackElo "2161"]
[PlyCount "38"]
[EventDate "2014.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 Be7 6. Bd3 c5 7. dxc5 Nc6 8. Bf4 Nxc5 9. 0-0 0-0 10. Re1 a6 11. a3 f6 12. Bg3 Bd7 13. Qd2 f5 14. Bf4 Ne4 15. Bxe4 fxe4 16. Nxe4 dxe4 17. Rxe4 Be8 18. Nd4 Qd5 19. Nxc6 Bxc6 0-1

[Event "Davos op"]
[Site "Davos"]
[Date "2014.07.09"]
[Round "4"]
[White "Bigg, Andrew J"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2325"]
[BlackElo "1958"]
[PlyCount "31"]
[EventDate "2014.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. Nc3 g6 4. e4 Bg7 5. Be3 Nbd7 6. Qd2 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 e5 10. h3 exd4 11. Nxd4 Bxd4 12. Qxd4 Qf6 13. Qc4 Nge5 14. Qxc7 0-0 15. 0-0-0 Nb6 16. Qxd6 1-0

[Event "Davos op"]
[Site "Davos"]
[Date "2014.07.08"]
[Round "2"]
[White "Biermann Ratjen, Mathias"]
[Black "Paleologu, Vladimir"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1958"]
[BlackElo "2190"]
[PlyCount "30"]
[EventDate "2014.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4 e5 5. Nf3 exd4 6. Nxd4 g6 7. Be2 Bg7 8. 0-0 0-0 9. Be3 Re8 10. Bf3 Nc5 11. e5 dxe5 12. fxe5 Nfd7 13. Bd5 Nxe5 14. Bf4 Bg4 15. Bxf7+ Nxf7 0-1

[Event "Davos op"]
[Site "Davos"]
[Date "2014.07.07"]
[Round "1"]
[White "Rusche, Johannes"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2219"]
[BlackElo "1958"]
[PlyCount "40"]
[EventDate "2014.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. d4 0-0 8. dxe5 Nxe4 9. Bd5 Nc5 10. Nc3 Rb8 11. a3 Ne6 12. Re1 Bb7 13. Ne4 Qe8 14. Qd3 Nc5 15. Nxc5 Bxc5 16. Ng5 g6 17. Bf4 Nd8 18. Ne4 Be7 19. Nf6+ Bxf6 20. exf6 Bxd5 1-0

[Event "Hamburg Seniors-ch 20th"]
[Site "Hamburg"]
[Date "2013.11.07"]
[Round "9"]
[White "Biermann Ratjen, Mathias"]
[Black "Ristic, Sreten"]
[Result "0-1"]
[ECO "C66"]
[WhiteElo "1749"]
[BlackElo "1872"]
[PlyCount "110"]
[EventDate "2013.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d6 3. Bb5 Bd7 4. 0-0 a6 5. Ba4 Nf6 6. Re1 e5 7. c3 b5 8. Bc2 Bg4 9. d3 g6 10. Nbd2 Bg7 11. Nf1 h6 12. Ne3 Qd7 13. Nxg4 Qxg4 14. d4 0-0 15. h3 Qc8 16. a4 Rb8 17. d5 Ne7 18. Kh2 Nh7 19. g4 g5 20. axb5 axb5 21. Rg1 Ng6 22. Qd3 Nf6 23. Bd1 Nd7 24. b4 Qb7 25. Be2 Ne7 26. Be3 c5 27. dxc6 Qxc6 28. Nd2 d5 29. Bf3 Qd6 30. Kg2 d4 31. cxd4 exd4 32. Rab1 Nc6 33. Nb3 Nxb4 34. Qd2 d3 35. Bc5 Nxc5 36. Qxb4 Rfc8 37. Rgc1 Bf8 38. Nd4 Nxe4 39. Qxd6 Nxd6 40. Rd1 Rc3 41. Nc6 Rb6 42. Ne5 b4 43. Rxd3 Rxd3 44. Nxd3 Nc4 45. Bd5 Na3 46. Rb3 Nc2 47. Rb2 Nd4 48. Nc1 Kg7 49. Kf1 Rd6 50. Be4 Ra6 51. Rb1 Ra3 52. Kg2 Ne6 53. f3 Nf4+ 54. Kh2 Re3 55. Kg3 Bc5 0-1

[Event "Hamburg Seniors-ch 20th"]
[Site "Hamburg"]
[Date "2013.11.06"]
[Round "8"]
[White "Cassens, Erhard Otto"]
[Black "Biermann Ratjen, Mathias"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1682"]
[BlackElo "1749"]
[PlyCount "61"]
[EventDate "2013.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 b6 4. b3 Bb7 5. Bd3 e6 6. 0-0 Be7 7. Bb2 Nbd7 8. Nbd2 0-0 9. Qe2 Ne4 10. Rac1 f5 11. Ne5 Rf6 12. Ndf3 Bd6 13. c4 Rh6 14. cxd5 exd5 15. g3 Bc8 16. Ne1 Ndf6 17. f3 Ng5 18. Qc2 Nh3+ 19. Kg2 Qe8 20. Kh1 Qh5 21. Qg2 g5 22. Be2 Be6 23. N1d3 Kh8 24. Rc2 Rf8 25. Rfc1 g4 26. Nf4 Nxf4 27. exf4 Rg8 28. Bd1 Qe8 29. fxg4 fxg4 30. Re2 Ne4 31. Re3 1/2-1/2

[Event "Hamburg Seniors-ch 20th"]
[Site "Hamburg"]
[Date "2013.11.05"]
[Round "7"]
[White "Biermann Ratjen, Mathias"]
[Black "Ditmas, Hugh"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1749"]
[BlackElo "1912"]
[PlyCount "54"]
[EventDate "2013.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. Re1 a6 6. Bf1 Ng6 7. c3 Be7 8. d4 cxd4 9. cxd4 d6 10. Nc3 b5 11. a3 0-0 12. d5 Nce5 13. Nd4 Bg5 14. g3 Bxc1 15. Rxc1 Qb6 16. Bg2 Nc4 17. Rc2 Bd7 18. Nde2 e5 19. Qa1 f5 20. b3 Na5 21. b4 Nc4 22. Nc1 Ne7 23. Bf1 Rac8 24. Qa2 Rc7 25. Nd1 Rfc8 26. Bxc4 Rxc4 27. Rxc4 Rxc4 0-1

[Event "Hamburg Seniors-ch 20th"]
[Site "Hamburg"]
[Date "2013.11.04"]
[Round "6"]
[White "Gollasch, Theo Heinz"]
[Black "Biermann Ratjen, Mathias"]
[Result "1/2-1/2"]
[ECO "A09"]
[WhiteElo "2038"]
[BlackElo "1749"]
[PlyCount "32"]
[EventDate "2013.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. c4 d4 5. d3 e6 6. b4 Ne7 7. 0-0 0-0 8. Qb3 a5 9. b5 c5 10. bxc6 Nbxc6 11. Na3 Bd7 12. Nb5 Nb4 13. a3 Na6 14. Nbxd4 Nc5 15. Qd1 Ba4 16. Qd2 Bxd4 1/2-1/2

[Event "Hamburg Seniors-ch 20th"]
[Site "Hamburg"]
[Date "2013.11.03"]
[Round "5"]
[White "Biermann Ratjen, Mathias"]
[Black "Strenzke, Guenter"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1749"]
[BlackElo "1820"]
[PlyCount "37"]
[EventDate "2013.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. dxc5 Bxc5 7. Bd3 Nc6 8. Bf4 a6 9. 0-0 h6 10. Re1 b6 11. Nxd5 Ndxe5 12. Nxe5 Nxe5 13. Rxe5 Bd6 14. Re1 Bb7 15. Bxd6 Bxd5 16. Bb5+ axb5 17. Qxd5 Ra7 18. Qxb5+ Rd7 19. Bb4 1-0

[Event "Hamburg Seniors-ch 20th"]
[Site "Hamburg"]
[Date "2013.11.02"]
[Round "4"]
[White "Hotze, Kurt"]
[Black "Biermann Ratjen, Mathias"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1567"]
[BlackElo "1749"]
[PlyCount "42"]
[EventDate "2013.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 c5 3. c3 e6 4. Bd3 d5 5. f4 Be7 6. Nf3 0-0 7. 0-0 b6 8. Nbd2 Bb7 9. Ne5 Ne4 10. Rf3 f6 11. Ng4 Nd7 12. Rh3 f5 13. Ne5 Nxe5 14. dxe5 g6 15. g4 c4 16. Bc2 Nxd2 17. Bxd2 d4 18. exd4 Qd5 19. Qf1 fxg4 20. Rg3 Qh1+ 21. Kf2 Qxh2+ 0-1

[Event "Hamburg Seniors-ch 20th"]
[Site "Hamburg"]
[Date "2013.11.01"]
[Round "3"]
[White "Biermann Ratjen, Mathias"]
[Black "Bartlitz, Heinz"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1749"]
[BlackElo "1511"]
[PlyCount "29"]
[EventDate "2013.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. dxe5 dxe5 7. fxe5 Qxe5 8. Nf3 Qc7 9. Qe2 Nbd7 10. e5 Nd5 11. Ne4 Nc5 12. Nd6+ Kd8 13. Bg5+ f6 14. exf6 gxf6 15. Qe8# 1-0

[Event "Hamburg Seniors-ch 20th"]
[Site "Hamburg"]
[Date "2013.10.31"]
[Round "2"]
[White "Hawranke, Dietrich"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2046"]
[BlackElo "1749"]
[PlyCount "41"]
[EventDate "2013.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. c4 Nc6 6. 0-0 Bd6 7. Nc3 e5 8. d5 Nb4 9. Bb1 a5 10. Nb5 0-0 11. Bd2 Re8 12. Bc3 Ba6 13. Nxd6 cxd6 14. a3 Bxc4 15. axb4 Bxf1 16. Kxf1 e4 17. Ng5 axb4 18. Rxa8 Qxa8 19. Bxf6 gxf6 20. Nxe4 Re5 21. f4 1-0

[Event "Hamburg Seniors-ch 20th"]
[Site "Hamburg"]
[Date "2013.10.30"]
[Round "1"]
[White "Biermann Ratjen, Mathias"]
[Black "Lubisch, Gerwalt"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1749"]
[BlackElo "1350"]
[PlyCount "67"]
[EventDate "2013.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. 0-0 Nf6 5. d4 exd4 6. e5 Nh7 7. Nxd4 Nxe5 8. Re1 d6 9. f4 c5 10. Nf3 Be6 11. Bxe6 Nxf3+ 12. Qxf3 fxe6 13. Rxe6+ Be7 14. Qh5+ Kd7 15. Qh3 Kc7 16. Nc3 Nf6 17. f5 Qd7 18. Bf4 Rad8 19. Qe3 Rhe8 20. Qxc5+ Qc6 21. Nb5+ Kb8 22. Qxa7+ Kc8 23. Qa5 Nd5 24. Na7+ Kb8 25. Nxc6+ bxc6 26. Bg3 Rd7 27. c4 Nc7 28. Qb6+ Kc8 29. Qxc6 Kd8 30. Re3 Bf6 31. Rxe8+ Nxe8 32. Qa8+ Ke7 33. Re1+ Be5 34. Bxe5 1-0

[Event "SH-ch Seniors op"]
[Site "Eckernfoerde"]
[Date "2012.10.05"]
[Round "7.19"]
[White "Biermann Ratjen, Mathias"]
[Black "Dombrowe, Eckehard"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1959"]
[BlackElo "1821"]
[PlyCount "65"]
[EventDate "2012.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 d6 4. d4 exd4 5. Nxd4 Be7 6. Be2 0-0 7. 0-0 Nbd7 8. Nf5 Nc5 9. Nxe7+ Qxe7 10. f3 h6 11. Be3 Be6 12. Bd4 Rfd8 13. Qe1 Nh7 14. Qg3 Qg5 15. Qf2 Nd7 16. f4 Qe7 17. f5 Rf8 18. fxe6 fxe6 19. Qg3 Nhf6 20. Be3 Kh7 21. Qh4 Ne5 22. g4 Ng6 23. Qh3 Ng8 24. g5 c6 25. Bg4 e5 26. Bf5 Qe8 27. gxh6 Nxh6 28. Kh1 Kg8 29. Bxh6 Rxf5 30. exf5 Nf4 31. Bxf4 exf4 32. Rxf4 Qf7 33. Rh4 1-0

[Event "SH-ch Seniors op"]
[Site "Eckernfoerde"]
[Date "2012.10.04"]
[Round "6.20"]
[White "Langmann, Claus"]
[Black "Biermann Ratjen, Mathias"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1867"]
[BlackElo "1959"]
[PlyCount "39"]
[EventDate "2012.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. Nbd2 d5 6. Ne5 Be7 7. 0-0 0-0 8. b3 Ne4 9. Nxe4 dxe4 10. Bc4 Nd7 11. Nxd7 Qxd7 12. Qe2 a6 13. a4 c6 14. Qh5 g6 15. Qh6 b5 16. Be2 Rfd8 17. Bb2 Bf8 18. Qh4 f5 19. Rfd1 Qe7 20. Qxe7 1/2-1/2

[Event "SH-ch Seniors op"]
[Site "Eckernfoerde"]
[Date "2012.10.03"]
[Round "5.10"]
[White "Biermann Ratjen, Mathias"]
[Black "Szenetra, Werner"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1959"]
[BlackElo "2209"]
[PlyCount "68"]
[EventDate "2012.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 d6 3. Nc3 Bg7 4. f4 a6 5. Be3 b5 6. a3 Bb7 7. Nf3 Nd7 8. Qd2 Ngf6 9. Bd3 c5 10. d5 Rc8 11. h3 c4 12. Be2 Nc5 13. Bxc5 Rxc5 14. Nd4 Qb6 15. Bf3 0-0 16. Rd1 Re8 17. 0-0 Nd7 18. Kh1 Rc7 19. Rfe1 h5 20. Nce2 a5 21. c3 Bh6 22. Qc2 Nc5 23. g3 Nd3 24. Rf1 b4 25. axb4 axb4 26. Rb1 b3 27. Qd1 e5 28. dxe6 fxe6 29. Nc1 Nc5 30. Qe2 Nd3 31. Nxd3 cxd3 32. Qd1 e5 33. Nxb3 exf4 34. Qxd3 Qxb3 0-1

[Event "SH-ch Seniors op"]
[Site "Eckernfoerde"]
[Date "2012.10.02"]
[Round "4.20"]
[White "Wisotzki, Guenter"]
[Black "Biermann Ratjen, Mathias"]
[Result "0-1"]
[ECO "C31"]
[WhiteElo "1453"]
[BlackElo "1959"]
[PlyCount "96"]
[EventDate "2012.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 c6 4. Nf3 e4 5. Qe2 Qe7 6. Ne5 cxd5 7. d4 Nc6 8. Be3 Nf6 9. h3 h5 10. Nc3 Qb4 11. 0-0-0 a6 12. Rg1 h4 13. g4 hxg3 14. Rxg3 Be6 15. Qf2 g6 16. Qe2 Be7 17. Qg2 0-0-0 18. Nxc6 bxc6 19. Bxa6+ Kc7 20. f5 Rb8 21. Bf4+ Kd7 22. fxe6+ Kxe6 23. Bxb8 Rxb8 24. b3 Qa3+ 25. Kb1 Qxa6 26. Na4 Qxa4 27. b4 Rxb4+ 28. Rb3 Rxd4 29. Rf1 Qa6 30. Qf2 Rd2 31. Qf4 Qe2 32. Rb2 e3 33. Rc1 Ba3 34. Rb6 Bd6 35. Qa4 Rd1 36. Qxc6 Rxc1+ 37. Kxc1 Qd2+ 38. Kb1 Ne4 39. Qe8+ Kf6 40. Qh8+ Kf5 41. Qc8+ Ke5 42. Qe8+ Kf6 43. Qh8+ Kf5 44. Qc8+ Ke5 45. Qe8+ Kf6 46. Qh8+ Kg5 47. Qc8 Nc3+ 48. Kb2 Na4+ 0-1

[Event "SH-ch Seniors op"]
[Site "Eckernfoerde"]
[Date "2012.10.01"]
[Round "3.7"]
[White "Biermann Ratjen, Mathias"]
[Black "Achenbach, Manfred"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1959"]
[BlackElo "2137"]
[PlyCount "40"]
[EventDate "2012.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 e6 4. d4 d5 5. e5 Nc6 6. Bd3 Bd7 7. 0-0 Qb6 8. dxc5 Bxc5 9. b4 Be7 10. Be3 Qc7 11. a3 f6 12. exf6 Bxf6 13. Ng5 Nge7 14. Qc2 Ne5 15. Nxh7 0-0-0 16. g3 Nxd3 17. Qxd3 Bb5 18. Qc2 Bxf1 19. Kxf1 Nf5 20. Bf4 Qc4+ 0-1

[Event "SH-ch Seniors op"]
[Site "Eckernfoerde"]
[Date "2012.09.30"]
[Round "2.20"]
[White "Thielemann, Joachim"]
[Black "Biermann Ratjen, Mathias"]
[Result "0-1"]
[ECO "B26"]
[WhiteElo "1868"]
[BlackElo "1959"]
[PlyCount "65"]
[EventDate "2012.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 d6 6. d3 Nge7 7. 0-0 0-0 8. Be3 Nd4 9. Qd2 c6 10. Nd1 c5 11. c3 Nxe2+ 12. Qxe2 f5 13. f4 Qc7 14. h3 Be6 15. Nf2 Rad8 16. g4 fxg4 17. Nxg4 b6 18. c4 Nc6 19. Qd2 Qd7 20. Qe2 Nd4 21. Bxd4 cxd4 22. fxe5 Bxg4 23. hxg4 Bxe5 24. Bf3 Bf4 25. Kg2 g5 26. Rh1 Rf6 27. Rh5 Rdf8 28. Rah1 Be3 29. R5h3 Rxf3 30. Qxf3 Rxf3 31. Rxf3 Qxg4+ 32. Rg3 Qe2+ 33. Kh3 0-1

[Event "SH-ch Seniors op"]
[Site "Eckernfoerde"]
[Date "2012.09.29"]
[Round "1.29"]
[White "Biermann Ratjen, Mathias"]
[Black "Dziomba, Armin"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "1959"]
[BlackElo "1581"]
[PlyCount "43"]
[EventDate "2012.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bf5 7. Bd3 Bxd3 8. Qxd3 Bd6 9. Bd2 Nd7 10. 0-0-0 0-0 11. h4 Qc7 12. g3 Rad8 13. Kb1 c5 14. c3 Rfe8 15. Rde1 Rxe1+ 16. Rxe1 cxd4 17. cxd4 Nb6 18. Ba5 g6 19. Rc1 Qd7 20. Bxb6 axb6 21. Qe4 Bf8 22. Qf4 1/2-1/2

[Event "Schleswig Holstein-ch Seniors"]
[Site "Eckernfoerde"]
[Date "2011.09.25"]
[Round "?"]
[White "Achenbach, Manfred"]
[Black "Biermann Ratjen, Mathias"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2160"]
[BlackElo "1947"]
[PlyCount "94"]
[EventDate "2011.09.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. e4 Nc6 4. d3 e5 5. Be2 g6 6. 0-0 Bg7 7. Bd2 a5 8. Na3 Nge7 9. Qc1 f5 10. Bh6 0-0 11. Bxg7 Kxg7 12. exf5 Nxf5 13. c5 Nh4 14. Ng5 h6 15. Ne4 g5 16. Bh5 Qd7 17. h3 Rf4 18. Qd1 Nxg2 19. Bg4 Rxg4 20. Qxg4 Nf4 21. Qxd7+ Bxd7 22. Nb5 Nb4 23. Na3 Nxh3+ 24. Kh2 Nf4 25. Nc4 Nbxd3 26. Rg1 Kg6 27. Rad1 Be6 28. b3 a4 29. Rg3 Bf5 30. Ncd2 axb3 31. axb3 Ra2 32. Rgg1 Bxe4 33. Nxe4 Nxf2 34. Nxf2 Rxf2+ 35. Kh1 Rf3 36. Rge1 Kf5 37. c6 bxc6 38. Rc1 Nd3 39. Rf1 g4 40. Rxf3+ gxf3 41. Rxc6 Kf4 42. Kg1 f2+ 43. Kf1 Kf3 44. b4 e4 45. b5 e3 46. Rc2 Nc1 47. b6 e2+ 0-1

[Event "Schleswig Holstein-ch Seniors"]
[Site "Germany"]
[Date "2009.??.??"]
[Round "6"]
[White "Biermann Ratjen, Mathias"]
[Black "Schumacher, Horst"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1955"]
[BlackElo "1850"]
[PlyCount "77"]
[EventDate "2009.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 Bg4 5. f3 Bf5 6. Nc3 Nbd7 7. Nge2 Nb6 8. Bb5+ Bd7 9. 0-0 Bxb5 10. Nxb5 a6 11. Nbc3 Nbxd5 12. Ne4 e6 13. d4 h6 14. c4 Nb6 15. b3 c6 16. Bb2 Be7 17. N2g3 Qc7 18. Nxf6+ gxf6 19. f4 0-0-0 20. Qh5 Rh7 21. Rac1 f5 22. Nxf5 Bf6 23. Bc3 Kb8 24. Ne3 Bxd4 25. Bxd4 Rxd4 26. g3 Nd7 27. Qe2 Rg7 28. Qb2 Qb6 29. c5 Qb4 30. Nc2 Rd2 31. Qxg7 Qxc5+ 32. Nd4 Qb6 33. Rc4 c5 34. Nf3 Rxa2 35. Qc3 Ra3 36. Nd2 Qb5 37. Ra1 Rxa1+ 38. Qxa1 Nb6 39. Qe5+ 1-0

[Event "Schleswig Holstein-ch Seniors"]
[Site "Germany"]
[Date "2009.??.??"]
[Round "4"]
[White "Biermann Ratjen, Mathias"]
[Black "Van Houten, Henk"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1955"]
[BlackElo "1800"]
[PlyCount "53"]
[EventDate "2009.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. dxe5 dxe5 6. 0-0 Be7 7. Qe2 Qc7 8. a4 h6 9. h4 Nc5 10. b4 Ne6 11. c3 Nf6 12. g3 Bd7 13. Kg2 Bd6 14. Bd3 a5 15. b5 Nc5 16. Qc2 cxb5 17. axb5 a4 18. Be3 Nxd3 19. Qxd3 0-0 20. c4 Be6 21. Nfd2 Rfd8 22. f3 Bc5 23. Qe2 Bxe3 24. Qxe3 Bxc4 25. Rc1 Rd4 26. Na3 Rc8 27. Ndxc4 1-0

[Event "Schleswig Holstein-ch Seniors"]
[Site "Germany"]
[Date "2009.??.??"]
[Round "2"]
[White "Biermann Ratjen, Mathias"]
[Black "Wenske, Hardy"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1955"]
[BlackElo "1825"]
[PlyCount "125"]
[EventDate "2009.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d3 Be7 5. c3 Na5 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. b4 Nc6 9. b5 Nd8 10. c4 Nf6 11. a4 Ne6 12. Nc3 c5 13. Bb2 0-0 14. 0-0 Ne8 15. a5 f5 16. Nd5 f4 17. h3 N8c7 18. Nh2 Nxd5 19. exd5 Ng5 20. Qg4 Qxg4 21. hxg4 b6 22. f3 Nf7 23. Bc3 Bh4 24. Rfb1 Ng5 25. Nf1 h6 26. Ra2 Nf7 27. Rba1 Bd8 28. axb6 Bxb6 29. Nd2 Ng5 30. Nb3 Nf7 31. Na5 Nd8 32. Nc6 Rf7 33. Ra6 Rb7 34. Ba5 Bxa5 35. R1xa5 Rf7 36. Nxd8 Rxd8 37. Rxa7 Rxa7 38. Rxa7 Kh7 39. Ra6 Kg6 40. Rc6 Kg5 41. b6 Kh4 42. Kh2 h5 43. gxh5 Kxh5 44. b7 Rb8 45. Rb6 g5 46. Kh3 g4+ 47. fxg4+ Kg5 48. Kh2 Kxg4 49. Rb3 Rh8+ 50. Kg1 Rb8 51. Kf2 Kf5 52. Kf3 Kf6 53. Ke4 Ke7 54. Rb1 Kf6 55. Rb6 Ke7 56. Kf5 Rf8+ 57. Kg6 Rg8+ 58. Kh7 Rb8 59. Kg7 Kd7 60. Kf7 Kc7 61. Rb1 Kd7 62. Rb2 Kc7 63. Ke7 1-0

[Event "Schleswig Holstein-ch Seniors"]
[Site "Germany"]
[Date "2009.??.??"]
[Round "3"]
[White "Budt, Karl Heinz"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2145"]
[BlackElo "1955"]
[PlyCount "47"]
[EventDate "2009.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Nd2 Nf6 6. e3 c6 7. f3 d5 8. Qb3 a5 9. cxd5 cxd5 10. Bb5+ Nc6 11. fxe4 fxe4 12. 0-0 Bd6 13. Rxf6 Qxf6 14. Qxd5 Bxh2+ 15. Kxh2 Bf5 16. Bxc6+ bxc6 17. Qe5+ Qxe5+ 18. dxe5 0-0 19. b3 Rfe8 20. Nc4 Re6 21. Ba3 Rh6+ 22. Kg1 Rg6 23. Kf2 Rg4 24. Rd1 1-0

[Event "Schleswig Holstein-ch Seniors"]
[Site "Germany"]
[Date "2009.??.??"]
[Round "5"]
[White "Villing, Dieter"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2220"]
[BlackElo "1955"]
[PlyCount "25"]
[EventDate "2009.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Bb4+ 5. c3 dxc3 6. 0-0 c2 7. Qxc2 d5 8. Rd1 c6 9. Bg5 Qa5 10. Bxf6 gxf6 11. exd5 0-0 12. a3 Be7 13. Nc3 1-0

[Event "Schleswig Holstein-ch Seniors op"]
[Site "Eckernfoerde"]
[Date "2007.10.02"]
[Round "7"]
[White "Schneider, Miloca"]
[Black "Biermann Ratjen, Mathias"]
[Result "1/2-1/2"]
[ECO "E21"]
[WhiteElo "1926"]
[BlackElo "1838"]
[PlyCount "34"]
[EventDate "2007.09.26"]
[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 e6 3. Nc3 Bb4 4. Nf3 Ne4 5. Qc2 f5 6. a3 Bxc3+ 7. bxc3 b6 8. a4 a5 9. Ba3 d6 10. e3 0-0 11. Bd3 Bb7 12. 0-0 Nd7 13. Rad1 Qf6 14. Bc1 Qg6 15. Ne1 Ndf6 16. f3 Ng5 17. Kh1 Qh5 1/2-1/2

[Event "Schleswig Holstein-ch Seniors op"]
[Site "Eckernfoerde"]
[Date "2007.10.01"]
[Round "6"]
[White "Biermann Ratjen, Mathias"]
[Black "Gehrmann, Rudolf Rainer"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1838"]
[BlackElo "2040"]
[PlyCount "50"]
[EventDate "2007.09.26"]
[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. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 g6 6. Nc3 Bg7 7. d3 Ngf6 8. h3 0-0 9. Be3 b5 10. Qd2 b4 11. Ne2 Qc7 12. g4 a5 13. Bh6 c4 14. Bxg7 Kxg7 15. Ng3 Rac8 16. Qg5 e6 17. Nd4 Qc5 18. Qxc5 dxc5 19. Nde2 cxd3 20. cxd3 Ne5 21. Rfd1 Rfd8 22. Nc1 c4 23. f4 Nxd3 24. Nxd3 Rxd3 25. Rxd3 cxd3 0-1

[Event "Schleswig Holstein-ch Seniors op"]
[Site "Eckernfoerde"]
[Date "2007.09.30"]
[Round "5"]
[White "Falkowski, Wilfried"]
[Black "Biermann Ratjen, Mathias"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1993"]
[BlackElo "1838"]
[PlyCount "76"]
[EventDate "2007.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. d4 c5 4. Bg2 cxd4 5. cxd5 e5 6. e4 Bd6 7. Nh3 Ne7 8. 0-0 Ng6 9. f4 Nd7 10. f5 Ne7 11. Nd2 b5 12. Nb3 a5 13. a4 b4 14. Bd2 Ba6 15. Re1 Qb6 16. Bf1 0-0 17. Bxa6 Qxa6 18. Qf3 Rac8 19. Rec1 Kh8 20. Qf1 d3 21. Be3 Nf6 22. Nf2 Rc4 23. Nd2 Rxc1 24. Rxc1 Rc8 25. Nxd3 Ng4 26. Rxc8+ Qxc8 27. Qe2 Nxe3 28. Qxe3 Qc2 29. b3 Qc3 30. Kg2 Nc8 31. Kf3 h6 32. Nf2 Bc5 33. Qxc3 bxc3 34. Nc4 Bxf2 35. Ke2 Bc5 36. Nxa5 Bb4 37. Nc6 c2 38. Nxb4 c1Q 0-1

[Event "Schleswig Holstein-ch Seniors op"]
[Site "Eckernfoerde"]
[Date "2007.09.29"]
[Round "4"]
[White "Biermann Ratjen, Mathias"]
[Black "Langmann, Claus"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "1838"]
[BlackElo "1960"]
[PlyCount "27"]
[EventDate "2007.09.26"]
[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. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. 0-0 dxc3 7. Nxc3 d6 8. Bg5 h6 9. Be3 Bxe3 10. fxe3 0-0 11. Qc2 Ng4 12. Nd5 Be6 13. Rae1 Nge5 14. Be2 1/2-1/2

[Event "Schleswig Holstein-ch Seniors op"]
[Site "Eckernfoerde"]
[Date "2007.09.28"]
[Round "3"]
[White "Zimmermann, Manfred"]
[Black "Biermann Ratjen, Mathias"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "1944"]
[BlackElo "1838"]
[PlyCount "120"]
[EventDate "2007.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. c4 e6 4. b3 c5 5. Bg2 Nc6 6. 0-0 Be7 7. e3 0-0 8. d3 Qc7 9. Bb2 Rd8 10. Qe2 b6 11. Ne1 Bb7 12. f4 d4 13. e4 e5 14. f5 h6 15. Bc1 Rd7 16. h4 Qd8 17. Bh3 Nb4 18. Nd2 a5 19. a3 Na6 20. Ng2 Nb8 21. g4 Nh7 22. Nf3 f6 23. Bd2 Rd6 24. Rfb1 Nc6 25. Nfe1 Rd7 26. Nc2 Ba6 27. Nge1 Rb7 28. Qd1 Rab8 29. Qc1 b5 30. Bf1 bxc4 31. bxc4 Rb3 32. Rxb3 Rxb3 33. Rb1 Rb8 34. Nf3 a4 35. Rb2 Rxb2 36. Qxb2 Qb8 37. Qxb8+ Nxb8 38. Ba5 Nc6 39. Bb6 Nf8 40. Be2 Bd6 41. Ncxd4 exd4 42. Bd1 Nd7 43. Bxa4 Nxb6 44. Bxc6 Bc8 45. a4 Bd7 46. Bb5 Bxb5 47. axb5 Bc7 48. Kf2 Kf8 49. g5 hxg5 50. hxg5 Ke7 51. Ke2 Nd7 52. gxf6+ Kxf6 53. Nd2 Ke5 54. Kf3 Nf6 55. Nb3 Bb6 56. Ke2 Kf4 57. Nd2 Nd7 58. Nb3 Ne5 59. Nc1 Ng4 60. Nb3 Ne5 0-1

[Event "Schleswig Holstein-ch Seniors op"]
[Site "Eckernfoerde"]
[Date "2007.09.27"]
[Round "2"]
[White "Biermann Ratjen, Mathias"]
[Black "Eigenmann, Peter"]
[Result "1-0"]
[ECO "B59"]
[WhiteElo "1838"]
[BlackElo "1356"]
[PlyCount "59"]
[EventDate "2007.09.26"]
[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 e5 5. Nb3 Nf6 6. Nc3 Be7 7. Be2 0-0 8. 0-0 Nc6 9. Be3 Be6 10. f4 exf4 11. Bxf4 Bxb3 12. axb3 Qb6+ 13. Kh1 Rfd8 14. Nd5 Nxd5 15. Qxd5 Bf6 16. c3 Ne7 17. Qd1 Ng6 18. Bc4 Nxf4 19. Rxf4 Rd7 20. Rxf6 Re8 21. Qf3 Ree7 22. Rf5 Qc7 23. Rxa7 g6 24. Rf4 Qc5 25. Ra1 b5 26. Bd5 Kg7 27. Rf1 Qa7 28. Rh4 f5 29. Qf4 fxe4 30. Qf8# 1-0

[Event "Schleswig Holstein-ch Seniors op"]
[Site "Eckernfoerde"]
[Date "2007.09.26"]
[Round "1"]
[White "Johannsen, Ingbert"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "2117"]
[BlackElo "1838"]
[PlyCount "63"]
[EventDate "2007.09.26"]
[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. Nc3 Nf6 3. f4 d6 4. Nf3 Bg4 5. Be2 Nc6 6. d3 Be7 7. Nd5 Bxf3 8. Bxf3 Nd4 9. 0-0 h6 10. Nxf6+ Bxf6 11. Bg4 c5 12. c3 Nc6 13. a3 a5 14. Be3 0-0 15. Qd2 exf4 16. Bxf4 Bg5 17. Bxg5 Qxg5 18. Qxg5 hxg5 19. Rf5 Ne5 20. Be2 f6 21. Raf1 Ng6 22. g3 Ne7 23. R5f2 Nc6 24. Kg2 Rfe8 25. Rh1 c4 26. d4 Rxe4 27. Bxc4+ Kf8 28. Bd5 Re3 29. h4 g4 30. h5 Rae8 31. h6 gxh6 32. Rxh6 1-0

[Event "Hamburg Junge op"]
[Site "Hamburg"]
[Date "2005.10.09"]
[Round "9"]
[White "Gorse, Gerard"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2022"]
[BlackElo "1862"]
[PlyCount "35"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 e5 6. Nf3 d4 7. Bg2 Nc6 8. 0-0 Be6 9. Qa4 Qc7 10. e3 d3 11. Nc3 Rd8 12. e4 Bc5 13. Nd5 Qb8 14. b4 b5 15. cxb5 Bd4 16. bxc6 Rxd5 17. exd5 Qc7 18. Nxd4 1-0

[Event "Hamburg Junge op"]
[Site "Hamburg"]
[Date "2005.10.08"]
[Round "8"]
[White "Biermann Ratjen, Mathias"]
[Black "Porth, Hartmut"]
[Result "0-1"]
[ECO "C26"]
[WhiteElo "1862"]
[BlackElo "2107"]
[PlyCount "90"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 Nc6 2. Nc3 Nf6 3. g3 e5 4. Bg2 Bb4 5. Nge2 d6 6. h3 Be6 7. a3 Bc5 8. Na4 Qd7 9. Nxc5 dxc5 10. d3 c4 11. Be3 cxd3 12. Qxd3 Qxd3 13. cxd3 0-0-0 14. Rd1 Rd7 15. b4 Rhd8 16. Nc1 Nd4 17. Bxd4 Rxd4 18. Ke2 Nd7 19. f4 f6 20. f5 Bf7 21. Ke3 Nb6 22. Bf3 a6 23. Rdg1 Na4 24. Rh2 Nc3 25. Rgg2 Nb1 26. Ra2 Bxa2 27. Rxa2 R4d6 28. Ra1 Nc3 29. a4 b5 30. axb5 axb5 31. Ra3 Rc6 32. Nb3 Na4 33. Na5 Rc3 34. Rxc3 Nxc3 35. Kd2 Na2 36. Nb3 Nxb4 37. Nc5 Nc6 38. Bh5 Nd4 39. Kc3 Rd6 40. Bf7 Rc6 41. Kb4 Rxc5 42. Kxc5 Kd7 43. Bh5 Kd8 44. Bd1 Kc8 45. Bh5 Kb7 0-1

[Event "Hamburg Junge op"]
[Site "Hamburg"]
[Date "2005.10.07"]
[Round "7"]
[White "Biermann Ratjen, Mathias"]
[Black "Kaye, Ferdinand"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1862"]
[BlackElo "2060"]
[PlyCount "87"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nc6 5. Be3 Nf6 6. Be2 e6 7. Bf3 0-0 8. Nge2 e5 9. fxe5 dxe5 10. d5 Ne7 11. Qd2 Ne8 12. 0-0-0 Nd6 13. Bh6 Nc4 14. Qg5 f6 15. Qh4 Bd7 16. Bxg7 Kxg7 17. g4 b5 18. b3 Na3 19. Qf2 b4 20. Nb1 Nb5 21. h4 Nc8 22. Nd2 Ncd6 23. Nc4 a5 24. h5 g5 25. h6+ Kg8 26. Qc5 Qb8 27. Kd2 Nxc4+ 28. bxc4 Nd6 29. Ng3 Qb6 30. Qxb6 cxb6 31. Be2 Rfc8 32. Nh5 Rf8 33. Rhf1 Ne8 34. Rf2 Kf7 35. Rdf1 Kg6 36. Ke3 Rc8 37. Kd2 Rc7 38. Ke3 Bc8 39. d6 Rd7 40. c5 bxc5 41. Bb5 Rxd6 42. Bxe8+ Kxh6 43. Nxf6 Rh8 44. Nh5 1-0

[Event "Hamburg Junge op"]
[Site "Hamburg"]
[Date "2005.10.07"]
[Round "5"]
[White "Schmidt Brauns, Rainer"]
[Black "Biermann Ratjen, Mathias"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2053"]
[BlackElo "1862"]
[PlyCount "59"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. Nc3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. dxc5 d4 10. Na4 Bf5 11. Bd2 a5 12. a3 Be4 13. Rc1 Qd5 14. Nb6 Qh5 15. Nxa8 Rxa8 16. h3 Rd8 17. b4 axb4 18. axb4 d3 19. e3 Qd5 20. Ne1 Bxg2 21. Nxg2 Ne4 22. Kh2 Ne5 23. f3 Nxd2 24. Qxd2 Nxf3+ 25. Rxf3 Qxf3 26. Nf4 Bf6 27. Nxd3 Rxd3 28. Qxd3 Qf2+ 29. Kh1 Qf3+ 30. Kh2 1/2-1/2

[Event "Hamburg Junge op"]
[Site "Hamburg"]
[Date "2005.10.06"]
[Round "6"]
[White "Stark, Thomas"]
[Black "Biermann Ratjen, Mathias"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "2077"]
[BlackElo "1862"]
[PlyCount "36"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. d3 Nge7 6. Rb1 f5 7. e3 0-0 8. b4 d6 9. b5 Nb8 10. Nge2 Nd7 11. 0-0 f4 12. exf4 exf4 13. Bxf4 Nf5 14. Qd2 Nf6 15. Bg5 h6 16. Bxf6 Bxf6 17. Nf4 Bg5 18. h4 Nxh4 1/2-1/2

[Event "Hamburg Junge op"]
[Site "Hamburg"]
[Date "2005.10.04"]
[Round "4"]
[White "Biermann Ratjen, Mathias"]
[Black "Dobrusina, Anna"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "1862"]
[BlackElo "1535"]
[PlyCount "113"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Nge7 8. Nge2 0-0 9. h4 f5 10. h5 fxe4 11. dxe4 Ne5 12. b3 Nf3+ 13. Bxf3 Rxf3 14. hxg6 Nxg6 15. 0-0-0 Qa5 16. Na4 Qxd2+ 17. Rxd2 b5 18. Nb2 Bf8 19. Ng1 Ne5 20. Nd3 Rxe3 21. fxe3 Ng4 22. Nf4 Nxe3 23. Nf3 e5 24. Nd5 Nxd5 25. exd5 h6 26. Nh4 Bg4 27. Rf2 h5 28. Rf6 e4 29. Kd2 Be7 30. Rg6+ Kh7 31. Rxg4 hxg4 32. Nf5+ Kg6 33. Nxe7+ Kg5 34. Rf1 Re8 35. Rf5+ Kh6 36. Rf7 Kh5 37. Ke3 Rh8 38. Kxe4 Kg5 39. Rf5+ Kh6 40. Rf7 Kg5 41. Rf5+ Kh6 42. Kf4 Kg7 43. Kxg4 Rh2 44. c3 Rxa2 45. Rf3 Rd2 46. Nf5+ Kh7 47. Nxd6 Rxd5 48. Nxb5 a5 49. Rf5 Rd7 50. Rxc5 Rg7+ 51. Kh4 Rd7 52. Rc7 Rxc7 53. Nxc7 Kg6 54. Na6 Kf5 55. g4+ Ke5 56. c4 a4 57. bxa4 1-0

[Event "Hamburg Junge op"]
[Site "Hamburg"]
[Date "2005.10.03"]
[Round "3"]
[White "De Andres Gonalons, Fernando"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2071"]
[BlackElo "1862"]
[PlyCount "57"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 cxd4 5. exd4 Nc6 6. Nf3 Bb4 7. cxd5 exd5 8. Bd3 Nf6 9. 0-0 0-0 10. Bg5 Be7 11. h3 a6 12. Rc1 h6 13. Be3 Be6 14. Bb1 Bd6 15. Qd2 Re8 16. Rfe1 Bf8 17. a3 Ne7 18. Ne5 Bf5 19. Ba2 b5 20. Bf4 Rc8 21. g4 Ne4 22. Nxe4 Bxe4 23. Rxe4 dxe4 24. Bxf7+ Kh8 25. Re1 Nd5 26. Bxe8 Qxe8 27. Rxe4 Nf6 28. Re2 Rd8 29. Qd3 1-0

[Event "Hamburg Junge op"]
[Site "Hamburg"]
[Date "2005.10.02"]
[Round "2"]
[White "Biermann Ratjen, Mathias"]
[Black "Becker, Thomas"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "1862"]
[BlackElo "2070"]
[PlyCount "27"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e5 7. Qd2 Be6 8. Nge2 Qd7 9. h3 Nd4 10. Ng1 Ne7 11. Nd5 0-0 12. Nxe7+ Qxe7 13. c3 Nc6 14. Ne2 1/2-1/2

[Event "Hamburg Junge op"]
[Site "Hamburg"]
[Date "2005.10.01"]
[Round "1"]
[White "Schoenberger, Peter"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "2199"]
[BlackElo "1862"]
[PlyCount "41"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Ng3 Bg4 7. h3 Bxf3 8. Qxf3 Nf6 9. Nh5 e4 10. Nxf6+ gxf6 11. Qh5+ Ke7 12. 0-0 Nd4 13. Ba4 c6 14. c3 Ne6 15. d3 Qe8 16. Qh4 Qg6 17. Bd1 Ng7 18. dxe4 Qxe4 19. f4 Nf5 20. Qf2 Rg8 21. Bc2 1-0

[Event "Hamburg Seniorens op 11th"]
[Site "Hamburg"]
[Date "2004.11.17"]
[Round "7"]
[White "Biermann Ratjen, Mathias"]
[Black "Schirmer, Werner"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "1845"]
[BlackElo "2039"]
[PlyCount "53"]
[EventDate "2004.11.12"]
[EventType "swiss"]
[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. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Nge7 8. Nge2 Nd4 9. Nd1 0-0 10. c3 Nxe2 11. Qxe2 f5 12. h4 e5 13. Qd2 Be6 14. Bg5 Rb8 15. h5 Rf7 16. hxg6 hxg6 17. f4 Qf8 18. Bf3 Qc8 19. Ne3 b5 20. Rh4 b4 21. c4 Nc6 22. Qh2 Nd4 23. Kf2 Nxf3 24. Kxf3 fxe4+ 25. dxe4 exf4 26. gxf4 Kf8 27. Rh8+ 1-0

[Event "Hamburg Seniors op 11th"]
[Site "Hamburg"]
[Date "2004.11.16"]
[Round "6"]
[White "Tost, Guenther"]
[Black "Biermann Ratjen, Mathias"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1464"]
[BlackElo "1845"]
[PlyCount "68"]
[EventDate "2004.11.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. e3 c5 4. b3 Nf6 5. Bd3 Nc6 6. c3 Ne4 7. 0-0 cxd4 8. exd4 Bd6 9. Qc2 f5 10. Re1 0-0 11. h3 Bd7 12. a4 Rc8 13. Ba3 Bxa3 14. Rxa3 g5 15. Bxe4 fxe4 16. Ne5 Nxd4 17. Qd2 Nf5 18. Nxd7 Qxd7 19. Qxg5+ Kh8 20. Ra2 Qf7 21. g4 Rg8 22. Qf4 Qg7 23. c4 Nh4 24. Nd2 Rcf8 25. Qg3 Nf3+ 26. Nxf3 Rxf3 27. Qg2 h5 28. Re3 hxg4 29. Rxf3 gxf3 30. Qxg7+ Rxg7+ 31. Kh1 d4 32. Rd2 d3 33. c5 a5 34. h4 Rc7 0-1

[Event "Hamburg Seniors op 11th"]
[Site "Hamburg"]
[Date "2004.11.13"]
[Round "3"]
[White "Biermann Ratjen, Mathias"]
[Black "Holzweissig, Hans Joachim"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1845"]
[BlackElo "1610"]
[PlyCount "77"]
[EventDate "2004.11.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. Nf3 exd4 4. Bc4 Bc5 5. c3 d3 6. Qxd3 d6 7. b4 Bb6 8. a4 a5 9. b5 Nce7 10. 0-0 h6 11. Rd1 Be6 12. Bxe6 fxe6 13. Nd4 Qd7 14. Qg3 g5 15. Qh3 e5 16. Qh5+ Kd8 17. Nf3 Nf6 18. Qf7 Nxe4 19. Nxe5 Qe8 20. Be3 Bxe3 21. fxe3 Rf8 22. Qc4 Nf6 23. Na3 Ng6 24. Nxg6 Qxg6 25. b6 Qf7 26. bxc7+ Qxc7 27. Qe6 Ne8 28. Nb5 Qe7 29. Qxh6 Rf6 30. Qh3 Re6 31. Rd3 Ra6 32. c4 b6 33. Nd4 Kd7 34. Rad1 Ra8 35. e4 Rc8 36. e5 Rxc4 37. Nxe6 Qxe6 38. Rxd6+ Nxd6 39. Rxd6+ 1-0

[Event "Hamburg-ch qual1"]
[Site "Hamburg"]
[Date "2003.10.31"]
[Round "7"]
[White "Biermann Ratjen, Mathias"]
[Black "Behling, Harald"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "1854"]
[BlackElo "2002"]
[PlyCount "63"]
[EventDate "2003.10.??"]
[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 g6 3. f4 Bg7 4. Nf3 Nf6 5. Nc3 0-0 6. Be2 c6 7. 0-0 Nbd7 8. e5 Ne8 9. Qe1 e6 10. Kh1 Nb6 11. Ne4 f6 12. Qh4 d5 13. Nf2 Bd7 14. Ng4 f5 15. Nh6+ Bxh6 16. Qxh6 Qe7 17. b3 Qg7 18. Qh4 Rf7 19. Ng5 Rf8 20. Ba3 h6 21. Bxf8 Qxf8 22. Nh3 Kg7 23. Rf3 Nc7 24. Bd3 Nb5 25. Bxb5 cxb5 26. g4 Rc8 27. Rf2 b4 28. Rg1 Rc3 29. Rfg2 Be8 30. gxf5 exf5 31. Qh5 Rc6 32. Qe2 1/2-1/2

[Event "Hamburg-ch qual1"]
[Site "Hamburg"]
[Date "2003.10.30"]
[Round "6"]
[White "Hoehne, Peter"]
[Black "Biermann Ratjen, Mathias"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2020"]
[BlackElo "1854"]
[PlyCount "21"]
[EventDate "2003.10.??"]
[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. Nf3 e6 3. Bf4 Nf6 4. h3 c5 5. dxc5 Bxc5 6. e3 a6 7. Nbd2 Nc6 8. c3 Bd6 9. Bxd6 Qxd6 10. Be2 0-0 11. 0-0 1/2-1/2

[Event "Hamburg-ch qual1"]
[Site "Hamburg"]
[Date "2003.10.29"]
[Round "5"]
[White "Baumann, Siegfried"]
[Black "Biermann Ratjen, Mathias"]
[Result "0-1"]
[ECO "C20"]
[WhiteElo "1646"]
[BlackElo "1854"]
[PlyCount "41"]
[EventDate "2003.10.??"]
[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. Bb5 Nc6 3. c3 Nf6 4. d3 d5 5. Qe2 dxe4 6. dxe4 Bd6 7. Nd2 0-0 8. Nf1 Bd7 9. Bd3 a6 10. Ne3 Ne7 11. Nf3 Ng6 12. Nc4 b5 13. Nxd6 cxd6 14. Bg5 Bc6 15. h4 h6 16. Nd2 hxg5 17. hxg5 Nf4 18. Qf3 Nh7 19. Bc2 Nxg5 20. Qg4 Bd7 21. Qh4 0-1

[Event "GER-ch Seniors 13th"]
[Site "Dresden"]
[Date "2001.??.??"]
[Round "2"]
[White "Biermann Ratjen, Mathias"]
[Black "Fischer, Johann Stefan"]
[Result "1-0"]
[ECO "C55"]
[BlackElo "2312"]
[PlyCount "45"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 084 Extra"]
[Source "ChessBase"]
[SourceDate "2001.10.26"]
[SourceVersion "1"]
[SourceVersionDate "2001.10.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Qe2 Nxc3 6. dxc3 Qe7 7. Ng5 Nd8 8. 0-0 c6 9. h3 d5 10. Bb3 e4 11. f3 h6 12. Nxf7 Nxf7 13. fxe4 g6 14. Qf2 Bg7 15. exd5 0-0 16. d6 Qxd6 17. Be3 Be6 18. Bc5 Qd7 19. Rad1 Qe8 20. Rde1 Bxb3 21. Rxe8 Rfxe8 22. axb3 Ne5 23. Bd6 1-0

[Event "GER-ch Seniors 13th"]
[Site "Dresden"]
[Date "2001.??.??"]
[Round "6"]
[White "Biermann Ratjen, Mathias"]
[Black "Giering, Helmut"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "98"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 084 Extra"]
[Source "ChessBase"]
[SourceDate "2001.10.26"]
[SourceVersion "1"]
[SourceVersionDate "2001.10.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bc4 Bf5 6. Nf3 Nf6 7. 0-0 e6 8. Qe2 Be7 9. Bf4 Nbd7 10. Rfe1 0-0 11. h3 Bb4 12. Bd2 Nd5 13. Bxd5 cxd5 14. a3 Be7 15. Bf4 Rac8 16. Rec1 h6 17. g4 Bh7 18. g5 Bf5 19. gxh6 Bxh3 20. hxg7 Kxg7 21. Qe3 Rh8 22. Ng5 Bxg5 23. Bxg5 f6 24. Bf4 Rcg8 25. f3 Kf7+ 26. Kf2 Rg2+ 27. Ke1 Rhg8 28. b4 Qa6 29. Ne2 Rxe2+ 30. Qxe2 Rg1+ 31. Kd2 Rg2 32. Qxg2 Bxg2 33. Ke3 e5 34. Bh6 exd4+ 35. Kf2 Bh3 36. Rg1 Bf5 37. Rae1 Bg6 38. f4 Qc4 39. Re2 d3 40. cxd3 Qxd3 41. Rge1 Be4 42. Re3 Qd4 43. Rg1 Nb6 44. f5 Nc4 45. Rg7+ Ke8 46. Rg8+ Kd7 47. Rg7+ Kc6 48. Bf4 Nxe3 49. b5+ Kxb5 0-1

[Event "GER-ch Seniors 13th"]
[Site "Dresden"]
[Date "2001.??.??"]
[Round "8"]
[White "Biermann Ratjen, Mathias"]
[Black "Schoenegg, Werner"]
[Result "0-1"]
[ECO "E80"]
[PlyCount "55"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 084 Extra"]
[Source "ChessBase"]
[SourceDate "2001.10.26"]
[SourceVersion "1"]
[SourceVersionDate "2001.10.26"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 g6 4. c4 Bg7 5. Nc3 Nc6 6. Be3 e5 7. d5 Ne7 8. Be2 c6 9. dxc6 bxc6 10. Qd2 0-0 11. Rd1 Ne8 12. g4 Bb7 13. Nh3 f5 14. gxf5 gxf5 15. Bh6 fxe4 16. Bxg7 Kxg7 17. Nxe4 Ng6 18. Nhg5 Bc8 19. h4 h6 20. Rg1 hxg5 21. h5 Nf4 22. Nxg5 Kh8 23. Bf1 Rf5 24. Qh2 Rxg5 25. Qh4 Rxg1 26. Qxd8 Rxf1+ 27. Kd2 Rf2+ 28. Ke1 0-1

[Event "GER-ch Seniors 13th"]
[Site "Dresden"]
[Date "2001.??.??"]
[Round "4"]
[White "Biermann Ratjen, Mathias"]
[Black "Wollsdorf, Friedrich"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "63"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 084 Extra"]
[Source "ChessBase"]
[SourceDate "2001.10.26"]
[SourceVersion "1"]
[SourceVersionDate "2001.10.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 e6 6. Bc4 Qc7 7. Qe2 Nc6 8. 0-0 Bd6 9. g3 Nge7 10. Rd1 b6 11. a3 Bb7 12. Ba2 0-0 13. Be3 b5 14. b4 Ne5 15. Nxe5 Bxe5 16. Rac1 Bxc3 17. Bd4 Qc6 18. Bb1 Nd5 19. Qh5 f5 20. Bxg7 Kxg7 21. exd5 exd5 22. Rd4 Bxd4 23. Rxc6 Bxc6 24. Bxf5 Bxf2+ 25. Kf1 Rxf5 26. Qxf5 Rf8 27. Qe5+ Kg6 28. Ke2 d4 29. g4 Bg2 30. Qh5+ Kg7 31. Qg5+ Kh8 32. Qe5+ 1/2-1/2

[Event "GER-ch Seniors 13th"]
[Site "Dresden"]
[Date "2001.??.??"]
[Round "5"]
[White "Boeckenhaupt, Rudi"]
[Black "Biermann Ratjen, Mathias"]
[Result "1/2-1/2"]
[ECO "C63"]
[PlyCount "104"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 084 Extra"]
[Source "ChessBase"]
[SourceDate "2001.10.26"]
[SourceVersion "1"]
[SourceVersionDate "2001.10.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. Bg5 d6 7. c3 Be6 8. Nbd2 Be7 9. Qa4 0-0 10. Rd1 Qe8 11. Bc4 Qf7 12. Bxe6 Qxe6 13. Qb3 Qxb3 14. axb3 Nh5 15. Bxe7 Nxe7 16. g3 Rf6 17. 0-0 h6 18. Nh4 g5 19. Ng2 Raf8 20. Nc4 Ng7 21. Nce3 R6f7 22. g4 Ne6 23. Nf5 Nxf5 24. exf5 Nf4 25. Nxf4 gxf4 26. f3 h5 27. h3 Rh7 28. Kg2 Kg7 29. Rh1 Kf6 30. c4 b6 31. b4 Rb8 32. b5 Rbh8 33. b4 hxg4 34. hxg4 Kg5 35. Rxh7 Rxh7 36. Rh1 Rg7 37. Rh5+ Kf6 38. Rh6+ Kf7 39. Re6 Rg8 40. c5 bxc5 41. bxc5 Rb8 42. cxd6 cxd6 43. Rxd6 Rxb5 44. Rd7+ Kf6 45. Rd6+ Kf7 46. Rd7+ Kf6 47. Rxa7 Rb2+ 48. Kh3 Rb3 49. Ra6+ Kf7 50. Kh4 Rxf3 51. Kg5 Rg3 52. Ra7+ Kg8 1/2-1/2

[Event "GER-ch Seniors 13th"]
[Site "Dresden"]
[Date "2001.??.??"]
[Round "1"]
[White "Kreusch, Waldemar"]
[Black "Biermann Ratjen, Mathias"]
[Result "0-1"]
[ECO "E43"]
[PlyCount "26"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 084 Extra"]
[Source "ChessBase"]
[SourceDate "2001.10.26"]
[SourceVersion "1"]
[SourceVersionDate "2001.10.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. e3 b6 4. Nc3 Bb4 5. Bd2 Bb7 6. a3 Bxc3 7. Bxc3 0-0 8. Nf3 Ne4 9. Rc1 d6 10. Bd3 f5 11. 0-0 Nd7 12. Nd2 Qg5 13. Qe2 Nxc3 0-1

[Event "GER-ch Seniors 13th"]
[Site "Dresden"]
[Date "2001.??.??"]
[Round "3"]
[White "Ljuboschiz, Alexander"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2200"]
[PlyCount "109"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 084 Extra"]
[Source "ChessBase"]
[SourceDate "2001.10.26"]
[SourceVersion "1"]
[SourceVersionDate "2001.10.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 d6 6. a4 0-0 7. Nbd2 Bg4 8. h3 Bh5 9. Re1 Nd4 10. c3 Ne6 11. Nf1 Bxf3 12. Qxf3 g6 13. Bh6 Ng7 14. d4 Nd7 15. Qe3 Kh8 16. Ng3 Bh4 17. Rf1 Qe7 18. Rae1 Rae8 19. dxe5 Qxe5 20. Bf4 Qe7 21. Qd4 a6 22. a5 Bf6 23. Qd5 Be5 24. Bxe5 Nxe5 25. Bb3 c6 26. Qd2 c5 27. f4 Nc6 28. Ba4 Rd8 29. Bxc6 bxc6 30. Qe2 Qb7 31. f5 Qb5 32. f6 Ne6 33. Qxb5 cxb5 34. Rd1 c4 35. Rd5 Nc5 36. e5 Nb7 37. exd6 Rxd6 38. Rxd6 Nxd6 39. Kf2 Re8 40. Re1 Re6 41. Rxe6 fxe6 42. Ke3 Kg8 43. Kf4 Kf7 44. Ke5 Nb7 45. Ne4 h6 46. h4 Nxa5 47. Nd6+ Kf8 48. Kxe6 Nc6 49. Nb7 Nb8 50. Nc5 a5 51. Kd6 b4 52. Kc7 bxc3 53. bxc3 a4 54. Nxa4 Na6+ 55. Kb7 1-0

[Event "GER-ch Seniors 13th"]
[Site "Dresden"]
[Date "2001.??.??"]
[Round "7"]
[White "Schneider, Ludwig1111"]
[Black "Biermann Ratjen, Mathias"]
[Result "1/2-1/2"]
[ECO "C56"]
[PlyCount "45"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 084 Extra"]
[Source "ChessBase"]
[SourceDate "2001.10.26"]
[SourceVersion "1"]
[SourceVersionDate "2001.10.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qf5 9. Nxe4 Be6 10. Nxd4 Nxd4 11. Qxd4 Be7 12. Ng3 Qg6 13. Be3 0-0 14. Ne2 Rfd8 15. Qc3 Bd6 16. Bf4 Bd5 17. Qg3 Qxc2 18. Rad1 Bxf4 19. Qxf4 Qg6 20. Ng3 c6 21. h4 h5 22. b3 Re8 23. Qf5 1/2-1/2

[Event "GER-ch Seniors 13th"]
[Site "Dresden"]
[Date "2001.??.??"]
[Round "9"]
[White "Trube, Dieter"]
[Black "Biermann Ratjen, Mathias"]
[Result "1/2-1/2"]
[ECO "C63"]
[PlyCount "61"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 084 Extra"]
[Source "ChessBase"]
[SourceDate "2001.10.26"]
[SourceVersion "1"]
[SourceVersionDate "2001.10.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qg5 8. Nd4+ c6 9. Bf1 Bg4 10. f3 exf3 11. Nxf3 Qh5 12. Be2 Bc5 13. d4 0-0-0 14. c3 Bd6 15. g3 Bxg3+ 16. Kd2 Bf4+ 17. Kc2 Bxc1 18. Rxc1 Nf6 19. Qf1 Rhe8 20. Re1 Rxe2+ 21. Qxe2 Bxf3 22. Qe6+ Kc7 23. Rhg1 Qxh2+ 24. Kb1 Rd7 25. Rxg7 Rxg7 26. Qxf6 Be4+ 27. Ka1 Rg1 28. Qe7+ Kb6 29. Qb4+ Ka6 30. Qa4+ Kb6 31. Qb4+ 1/2-1/2

[Event "Wichern op 4th"]
[Site "Hamburg"]
[Date "1997.??.??"]
[Round "1"]
[White "Abraham, Martin"]
[Black "Biermann Ratjen, Mathias"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "50"]
[EventDate "1997.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bc5 5. d3 d6 6. Bg5 h6 7. Bh4 Be6 8. Bb3 g5 9. Bg3 a6 10. Qd2 Bxb3 11. axb3 Bb4 12. h3 Nd4 13. Ng1 Nh5 14. Nge2 Nf4 15. Bxf4 gxf4 16. f3 Qh4+ 17. Kd1 Rg8 18. Qe1 Qxe1+ 19. Rxe1 Rxg2 20. Rg1 Rxg1+ 21. Nxg1 c6 22. Nce2 Bc5 23. Kd2 Ke7 24. Nxd4 Bxd4 25. c3 Be3+ 0-1

[Event "Wichern op 4th"]
[Site "Hamburg"]
[Date "1997.??.??"]
[Round "8"]
[White "Biermann Ratjen, Mathias"]
[Black "Buchholz, Robert"]
[Result "0-1"]
[ECO "C11"]
[PlyCount "74"]
[EventDate "1997.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Ne2 cxd4 8. Nexd4 Qb6 9. c3 Bc5 10. Be2 0-0 11. 0-0 f6 12. Kh1 Bxd4 13. cxd4 Ne7 14. b3 Nb8 15. Ba3 Nbc6 16. exf6 Rxf6 17. Bd3 Nf5 18. Bxf5 Rxf5 19. Bc5 Qd8 20. Ne5 Bd7 21. g4 Rf6 22. f5 exf5 23. g5 Re6 24. Rxf5 Nxe5 25. Rf8+ Qxf8 26. Bxf8 Rxf8 27. dxe5 Rxe5 28. Qd4 Rxg5 29. Rg1 Rxg1+ 30. Kxg1 Bh3 31. Qxd5+ Kh8 32. Qd3 Rf1+ 33. Qxf1 Bxf1 34. Kxf1 g5 35. Ke2 Kg7 36. Kd3 Kf6 37. Ke4 Ke6 0-1

[Event "Wichern op 4th"]
[Site "Hamburg"]
[Date "1997.??.??"]
[Round "4"]
[White "Biermann Ratjen, Mathias"]
[Black "Kluth, Carsten"]
[Result "1/2-1/2"]
[ECO "B32"]
[BlackElo "2195"]
[PlyCount "15"]
[EventDate "1997.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Nf6 6. Bc4 Nxe4 7. Bxf7+ Kxf7 8. Qd5+ 1/2-1/2

[Event "Wichern op 4th"]
[Site "Hamburg"]
[Date "1997.??.??"]
[Round "7"]
[White "Biermann Ratjen, Mathias"]
[Black "Prosch, Sebastian"]
[Result "0-1"]
[ECO "B20"]
[PlyCount "72"]
[EventDate "1997.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Bb2 Nf6 4. e5 Nd5 5. c4 Nc7 6. f4 d5 7. Nf3 d4 8. d3 h6 9. Nbd2 Bf5 10. a3 e6 11. Qe2 Be7 12. g3 0-0 13. Ne4 Rb8 14. Rc1 Qd7 15. Nfd2 Na6 16. Bg2 Kh8 17. a4 Nab4 18. h4 Qd8 19. 0-0 Bh7 20. Nf3 Bf5 21. Rcd1 Na5 22. Nf2 Bh7 23. Nh3 Nxb3 24. Nfg5 hxg5 25. hxg5 g6 26. Qg4 Nc2 27. Qh4 Ne3 28. Kf2 Nxd1+ 29. Rxd1 Rg8 30. Ke2 Qa5 31. Nf2 Qxa4 32. Bc1 Nxc1+ 33. Rxc1 Qa2+ 34. Ke1 b5 35. Be4 b4 36. Ng4 b3 0-1

[Event "Wichern op 4th"]
[Site "Hamburg"]
[Date "1997.??.??"]
[Round "2"]
[White "Biermann Ratjen, Mathias"]
[Black "Schirm, Friedmar"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "2290"]
[PlyCount "54"]
[EventDate "1997.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Bc4 Bg7 5. Nf3 e6 6. a3 Nge7 7. d3 0-0 8. 0-0 a6 9. g4 b5 10. Bb3 Na5 11. Ba2 b4 12. axb4 cxb4 13. Ne2 Qb6+ 14. Kh1 b3 15. cxb3 Bb7 16. Ng3 d5 17. e5 d4 18. Kg1 Nd5 19. b4 Nxb4 20. Ng5 Nxa2 21. Rxa2 Nb3 22. Ra3 Nxc1 23. Qxc1 Rfc8 24. Qd2 Rc7 25. N5e4 Rac8 26. Nd6 Rc2 27. Nxc8 Rxd2 0-1

[Event "Wichern op 4th"]
[Site "Hamburg"]
[Date "1997.??.??"]
[Round "3"]
[White "Fraas, Henning"]
[Black "Biermann Ratjen, Mathias"]
[Result "0-1"]
[ECO "A90"]
[WhiteElo "2165"]
[PlyCount "80"]
[EventDate "1997.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 d5 5. Nh3 c6 6. 0-0 Bd6 7. Bf4 Bxf4 8. Nxf4 0-0 9. Nd2 Qe8 10. Nf3 Nbd7 11. Qc2 Ne4 12. Nd3 g5 13. Nfe5 Qh5 14. f3 Nd6 15. Nxd7 Bxd7 16. Ne5 Be8 17. Qb3 Rb8 18. cxd5 cxd5 19. Rac1 Bc6 20. Qa3 Nc4 21. Nxc4 dxc4 22. Rxc4 f4 23. g4 Qf7 24. e4 Bb5 25. Rc5 Bxf1 26. Rxg5+ Kh8 27. Bxf1 Qf6 28. Re5 a6 29. Qb4 b5 30. Rh5 a5 31. Qd2 Rfd8 32. d5 exd5 33. exd5 Qb6+ 34. Kg2 Qe3 35. Qxe3 fxe3 36. Bd3 Rb7 37. f4 Rbd7 38. Be4 Rf8 39. Rf5 Rxf5 40. Bxf5 Re7 0-1

[Event "Wichern op 4th"]
[Site "Hamburg"]
[Date "1997.??.??"]
[Round "6"]
[White "Koop, Thilo"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2115"]
[PlyCount "61"]
[EventDate "1997.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 Bb4 5. Nxe5 Qe7 6. Qd3 Nxe4 7. Qxe4 d6 8. Bd2 dxe5 9. 0-0-0 exd4 10. Qxe7+ Bxe7 11. Nb5 0-0 12. Nxc7 Rb8 13. Bf4 Bf5 14. Nd5 Rbc8 15. Bc4 Bc5 16. a3 a5 17. Rhe1 Rfd8 18. Nc7 h6 19. Nb5 Kf8 20. h3 a4 21. Bd3 Bxd3 22. Rxd3 Re8 23. Bd6+ Bxd6 24. Rxe8+ Rxe8 25. Nxd6 Rb8 26. Nb5 Rd8 27. c3 Na5 28. Nxd4 Nb3+ 29. Kc2 Na1+ 30. Kb1 Nb3 31. Ne6+ 1-0

[Event "Wichern op 4th"]
[Site "Hamburg"]
[Date "1997.??.??"]
[Round "9"]
[White "Oelrichs, Manfred"]
[Black "Biermann Ratjen, Mathias"]
[Result "0-1"]
[ECO "A04"]
[PlyCount "42"]
[EventDate "1997.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 b6 2. g3 Bb7 3. Bg2 e5 4. 0-0 e4 5. Ne1 d5 6. c4 d4 7. d3 f5 8. dxe4 fxe4 9. Qc2 Qe7 10. Nd2 Nf6 11. Nb3 c5 12. Bg5 Nbd7 13. Bh3 Bc6 14. Nd2 0-0-0 15. a4 a5 16. Ng2 Kb7 17. Nf4 Qe5 18. Ne6 Re8 19. Bf4 Qh5 20. Ng5 h6 21. Bxd7 hxg5 0-1

[Event "Wichern op 4th"]
[Site "Hamburg"]
[Date "1997.??.??"]
[Round "5"]
[White "Richter, Goetz"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2170"]
[PlyCount "49"]
[EventDate "1997.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 a6 7. Nc3 d6 8. Nd5 Ba7 9. Qe2 Nge7 10. Be3 0-0 11. Bxa7 Rxa7 12. 0-0-0 Nxd5 13. exd5 Ne7 14. Qc4 Bd7 15. Bd3 Qa8 16. Rhe1 Ng6 17. Qxc7 b5 18. Qxd6 bxa4 19. Nc5 Rd8 20. Bxg6 Bg4 21. Qc6 Qxc6 22. dxc6 Rxd1+ 23. Rxd1 Bxd1 24. Bf5 Be2 25. Nb7 1-0

[Event "Weilburg NBG op"]
[Site "Weilburg"]
[Date "1996.??.??"]
[Round "3"]
[White "Biermann Ratjen, Mathias"]
[Black "Boidman, Yuri"]
[Result "0-1"]
[ECO "B28"]
[BlackElo "2365"]
[PlyCount "48"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 e6 6. Be2 cxd4 7. cxd4 Nf6 8. 0-0 Nc6 9. Nc3 Qd6 10. Bg5 Be7 11. Bh4 b5 12. Bg3 Qd8 13. Nxb5 axb5 14. Bxb5 Qb6 15. Bxc6+ Qxc6 16. Rc1 Qd5 17. Re1 Qxa2 18. Rc7 Bd8 19. Rc2 0-0 20. Bd6 Re8 21. Re5 Qa1 22. Rc1 Qxb2 23. Rb1 Qa2 24. Rg5 Ne4 0-1

[Event "Weilburg NBG op"]
[Site "Weilburg"]
[Date "1996.??.??"]
[Round "1"]
[White "Biermann Ratjen, Mathias"]
[Black "Gipslis, Aivars P"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "2470"]
[PlyCount "48"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Bg4 5. Be2 Nc6 6. c4 Nb6 7. d5 Bxf3 8. Bxf3 Ne5 9. b3 c6 10. 0-0 g6 11. Bb2 Bg7 12. Bc3 0-0 13. dxc6 Qxd1 14. Bxd1 Nxc6 15. Bxg7 Kxg7 16. Na3 Rad8 17. c5 Nd5 18. Nc4 Nd4 19. Rc1 Nb4 20. Bf3 Nd3 21. Ne3 Nxc1 22. Rxc1 Nxf3+ 23. gxf3 Rd2 24. b4 Rxa2 0-1

[Event "Weilburg NBG op"]
[Site "Weilburg"]
[Date "1996.??.??"]
[Round "7"]
[White "Biermann Ratjen, Mathias"]
[Black "Seibel, Gerhard"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "50"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nf6 5. Nc3 a6 6. Nf3 Bg4 7. Be2 e6 8. 0-0 Be7 9. Be3 Nc6 10. d5 Ne5 11. Nd4 Bxe2 12. Qxe2 exd5 13. exd5 Rc8 14. Nf5 0-0 15. Nxe7+ Qxe7 16. Bg5 Rfe8 17. Rae1 Rxc3 18. bxc3 Nf3+ 19. Qxf3 Qxe1 20. Bxf6 gxf6 21. Qxf6 Qd2 22. h4 Qxd5 23. Rb1 b5 24. Rb4 Re1+ 25. Kh2 Qe5+ 1/2-1/2

[Event "Weilburg NBG op"]
[Site "Weilburg"]
[Date "1996.??.??"]
[Round "2"]
[White "Drechsel, Dieter"]
[Black "Biermann Ratjen, Mathias"]
[Result "0-1"]
[ECO "E36"]
[PlyCount "62"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. a3 Be7 7. Bg5 h6 8. Bf4 c6 9. Nf3 Nbd7 10. e3 Nf8 11. Be5 Ng6 12. Bd3 Nxe5 13. Nxe5 Bd6 14. Nf3 0-0 15. h3 Re8 16. Rc1 Qe7 17. Na4 Ne4 18. Nc3 f5 19. 0-0 Rf8 20. Rce1 Bd7 21. Qb3 Be8 22. Bxe4 fxe4 23. Nd2 Bg6 24. Rc1 Kh8 25. Qd1 Rae8 26. Qe1 Bh5 27. Kh1 Qg5 28. b4 a6 29. Rc2 Bf3 30. Rg1 Qf5 31. Qf1 Qxh3# 0-1

[Event "Weilburg NBG op"]
[Site "Weilburg"]
[Date "1996.??.??"]
[Round "6"]
[White "Loehr, Holger"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "A27"]
[PlyCount "141"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Bg5 Nf6 6. Ng1 Be7 7. e3 0-0 8. Nh3 Ng4 9. Bxe7 Nxe7 10. Be2 Nf6 11. Nf4 c6 12. Qb3 d6 13. c5+ d5 14. h4 Ng6 15. Nxg6 hxg6 16. g3 Qe7 17. Qc2 Bd7 18. Bd1 Kf7 19. Ne2 Rh8 20. Rf1 g5 21. hxg5 Ng4 22. g6+ Kxg6 23. Nf4+ Kf7 24. Bxg4 fxg4 25. Kd2 g5 26. Ne2 Rh2 27. Rh1 Rah8 28. Rxh2 Rxh2 29. Rf1 Qf6 30. Ke1 Qd8 31. b4 a5 32. Qa4 axb4 33. Qxb4 Qa8 34. a4 Qa6 35. Nc3 Rh8 36. Nd1 Kg6 37. Nb2 Rb8 38. Qb6 Qxb6 39. cxb6 Ra8 40. Kd2 Ra6 41. Rb1 Rxb6 42. Kc2 c5 43. dxc5 Rc6 44. Kc3 Rxc5+ 45. Kd4 Rc2 46. Nd1 Bc6 47. Rb2 Rc4+ 48. Ke5 Rxa4 49. Nc3 Ra8 50. Rb6 Re8+ 51. Kd4 Kf5 52. Kc5 Ke5 53. Rb2 Ra8 54. Ne2 Ra4 55. Nd4 Rc4+ 56. Kb6 Kd6 57. Nf5+ Kd7 58. Nd4 Ra4 59. Kc5 Rc4+ 60. Kb6 Kd6 61. Nf5+ Ke5 62. Nd4 Rxd4 63. exd4+ Kxd4 64. Rb4+ Kc3 65. Kc5 d4 66. Rc4+ Kd3 67. Rb4 e3 68. Rxd4+ Ke2 69. fxe3 Kxe3 70. Rxg4 Kf3 71. Rxg5 1-0

[Event "Weilburg NBG op"]
[Site "Weilburg"]
[Date "1996.??.??"]
[Round "4"]
[White "Schaaf, Andre"]
[Black "Biermann Ratjen, Mathias"]
[Result "1/2-1/2"]
[ECO "C45"]
[PlyCount "107"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 Ne5 8. Qe2 d6 9. h3 Qg6 10. Nd2 Nxc4 11. Qxc4 Bd7 12. 0-0-0 a6 13. g4 b5 14. Qe2 f6 15. Nf5 Bxe3 16. Nxe3 Qf7 17. Nb3 0-0 18. Nd5 Nxd5 19. exd5 Rfe8 20. Qd3 f5 21. f3 Re5 22. Rhe1 Rae8 23. Rxe5 Rxe5 24. Qd4 fxg4 25. fxg4 Qf3 26. Qa7 Qe3+ 27. Qxe3 Rxe3 28. Rh1 Rd3 29. Nd4 Kf7 30. Kc2 Rg3 31. Rf1+ Ke7 32. Rh1 Re3 33. Kd2 Re5 34. a3 Rxd5 35. Ke2 c5 36. Nf3 Bc6 37. Rc1 c4 38. Nd4 Bd7 39. Nf3 h5 40. Rg1 hxg4 41. hxg4 Be8 42. Nd4 Bg6 43. Ke3 Re5+ 44. Kf4 Kf6 45. g5+ Kf7 46. Rg2 Bd3 47. Rg1 Kg6 48. Rg3 Re4+ 49. Kf3 Re1 50. Kf4 Be4 51. Re3 Rxe3 52. Kxe3 Bd5 53. Kf4 Kh5 54. Nf5 1/2-1/2

[Event "Wichern op 3rd"]
[Site "Hamburg"]
[Date "1995.??.??"]
[Round "?"]
[White "Biermann Ratjen, Mathias"]
[Black "Gazmaga, Stefan"]
[Result "1-0"]
[ECO "B50"]
[BlackElo "2235"]
[PlyCount "125"]
[EventDate "1995.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 g6 5. 0-0 Bg7 6. Bc2 0-0 7. h3 Nc6 8. d4 Nd7 9. d5 Na5 10. a4 c4 11. Be3 Nb6 12. Na3 Bd7 13. Nb5 a6 14. Nbd4 Be8 15. Nd2 Nd7 16. f4 Qc7 17. N2f3 Rd8 18. Qd2 Nc5 19. Ra3 e6 20. f5 e5 21. fxg6 hxg6 22. Ne2 f6 23. g4 Bh8 24. Ng3 Qh7 25. Kg2 Bd7 26. Rh1 Nab3 27. Bxb3 Nxb3 28. Qe2 Rc8 29. Nd2 Nxd2 30. Bxd2 Bg7 31. Qe3 Rc5 32. b4 cxb3 33. Rxb3 b5 34. axb5 Bxb5 35. h4 Rfc8 36. h5 g5 37. Nf5 Bf8 38. h6 R8c7 39. Rbb1 Rc4 40. Rbf1 Qg6 41. h7+ Kh8 42. Ra1 Rb7 43. Rh5 Rcc7 44. Rah1 Ba4 45. Bc1 Rb3 46. Bd2 Rb2 47. Kg3 Qe8 48. R1h2 Qb5 49. Qf3 Rxd2 50. Rxd2 Qb6 51. Rh1 Qb3 52. Rd3 Rxh7 53. Rxh7+ Kxh7 54. Qh1+ Kg8 55. Qh5 Qb1 56. Qg6+ Kh8 57. Qxf6+ Kg8 58. Qxg5+ Kf7 59. Qh5+ Kg8 60. Qg6+ Kh8 61. Re3 Qf1 62. Qf6+ Kg8 63. Ne7+ 1-0

[Event "Wichern op 3rd"]
[Site "Hamburg"]
[Date "1995.??.??"]
[Round "2"]
[White "Kengis, Edvins"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2565"]
[PlyCount "52"]
[EventDate "1995.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 Nc6 2. d4 d5 3. g3 Bg4 4. Bg2 Nf6 5. Ne5 Bf5 6. c4 Nxe5 7. dxe5 Ng4 8. cxd5 Nxe5 9. f4 Ng4 10. e4 Bd7 11. h3 Nh6 12. Nc3 e6 13. Be3 Be7 14. Qh5 c6 15. dxe6 Bxe6 16. 0-0 Bb4 17. f5 Qa5 18. Qg5 Bxc3 19. bxc3 Bc4 20. Qxg7 0-0-0 21. Rf2 Rhg8 22. Qxh6 Rxg3 23. Bd4 Rdg8 24. Qd6 Rd3 25. Kh2 Qxc3 26. Bxc3 Rxd6 1-0

[Event "Wichern op 3rd"]
[Site "Hamburg"]
[Date "1995.??.??"]
[Round "6"]
[White "Pinkus, Lutz"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "C34"]
[WhiteElo "2215"]
[PlyCount "29"]
[EventDate "1995.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Nf6 4. e5 Nh5 5. d4 Be7 6. Bc4 Bh4+ 7. Kf1 Be7 8. g4 fxg3 9. Kg2 gxh2 10. Rxh2 g6 11. Nc3 d6 12. Rxh5 gxh5 13. Ng5 Bxg5 14. Qxh5 Qd7 15. e6 1-0

[Event "Wichern op 2nd"]
[Site "Hamburg"]
[Date "1993.??.??"]
[Round "2"]
[White "Biermann Ratjen, Mathias"]
[Black "Siebrecht, Sebastian"]
[Result "0-1"]
[ECO "B15"]
[BlackElo "2330"]
[PlyCount "50"]
[EventDate "1993.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Be3 d5 5. e5 h5 6. Nf3 Nh6 7. Bd3 Na6 8. a3 Nc7 9. h3 Nf5 10. Bd2 b6 11. Ne2 Ba6 12. Bxa6 Nxa6 13. e6 f6 14. h4 Bh6 15. Bxh6 Rxh6 16. Nf4 Qd6 17. g3 Nc7 18. Qd3 Nxe6 19. Nxg6 Nfxd4 20. Nxd4 Nxd4 21. 0-0-0 e5 22. Rhe1 0-0-0 23. c3 Nb3+ 24. Kc2 Nc5 25. Qf5+ Kb7 0-1

[Event "Wichern op 2nd"]
[Site "Hamburg"]
[Date "1993.??.??"]
[Round "4"]
[White "Biermann Ratjen, Mathias"]
[Black "Trabert, Bettina"]
[Result "0-1"]
[ECO "C90"]
[BlackElo "2200"]
[PlyCount "133"]
[EventDate "1993.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. d3 Na5 10. Bc2 c5 11. Nbd2 Re8 12. Nf1 Bf8 13. h3 Bb7 14. g4 d5 15. Ng3 c4 16. Qe2 dxe4 17. dxe4 Qc7 18. Nh4 Nc6 19. Ng2 Nd8 20. Bg5 Nd7 21. Rad1 Ne6 22. Be3 Ndc5 23. f3 Rad8 24. Rxd8 Rxd8 25. Rd1 Rd7 26. Kf1 Qd8 27. Ne1 g6 28. Rxd7 Qxd7 29. Qd2 Be7 30. Ne2 Qxd2 31. Bxd2 Kg7 32. Nc1 Bh4 33. Kg2 Bc6 34. Kf1 a5 35. Ng2 Bg5 36. Ne3 Nf4 37. Nd5 Nxh3 38. Bxg5 Nxg5 39. Ke2 Bxd5 40. exd5 Kf6 41. Ke3 Ke7 42. b4 axb4 43. cxb4 Na6 44. a3 Nc7 45. Be4 Kd6 46. Ne2 Nxd5+ 47. Bxd5 Kxd5 48. Nc3+ Kc6 49. f4 exf4+ 50. Kxf4 Ne6+ 51. Ke5 h5 52. gxh5 gxh5 53. Kf5 Nd4+ 54. Kg5 Nc2 55. a4 bxa4 56. Nxa4 Nxb4 57. Kxh5 Nd5 58. Nb2 c3 59. Nd3 Kb5 60. Kg5 c2 61. Kf5 Kc4 62. Nc1 Kd4 63. Ne2+ Kd3 64. Nc1+ Kd2 65. Nb3+ Kd1 66. Ke5 Nc3 67. Kd4 0-1

[Event "Wichern op 2nd"]
[Site "Hamburg"]
[Date "1993.??.??"]
[Round "7"]
[White "Kahlert, Thomas"]
[Black "Biermann Ratjen, Mathias"]
[Result "1-0"]
[ECO "C65"]
[PlyCount "39"]
[EventDate "1993.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Bc5 5. Nxe5 Nd4 6. Bc4 Nxe4 7. Bxf7+ Kf8 8. c3 Nc6 9. Bd5 Nxe5 10. Bxe4 d5 11. d4 dxe4 12. dxe5 Qxd1 13. Rxd1 Be6 14. Bf4 Kf7 15. Nd2 Bf5 16. Re1 Rad8 17. Nxe4 Bxe4 18. Rxe4 Rd3 19. e6+ Kg6 20. Rae1 1-0

[Event "Wichern op 2nd"]
[Site "Hamburg"]
[Date "1993.??.??"]
[Round "1"]
[White "Lazarev, Vladimir"]
[Black "Biermann Ratjen, Mathias"]
[Result "1/2-1/2"]
[ECO "E37"]
[WhiteElo "2440"]
[PlyCount "52"]
[EventDate "1993.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c6 8. Bf4 Nd7 9. e3 f5 10. h4 dxc4 11. Bxc4 Nb6 12. Ba2 Nd5 13. Be5 0-0 14. Nf3 a5 15. Bc4 a4 16. Bd3 Qa5+ 17. Ke2 Ndf6 18. Raf1 Bd7 19. Ng5 c5 20. f3 cxd4 21. Bc7 Qc5 22. fxe4 Qxc2+ 23. Bxc2 Rac8 24. exf5 Rxc7 25. Bd3 exf5 26. exd4 Re8+ 1/2-1/2

