[Event "GER-ch30 V?\[1\] email"]
[Site "GER email"]
[Date "2007.12.15"]
[Round "?"]
[White "Hildebrand, Gerald"]
[Black "Mattheus, Ingomar"]
[Result "0-1"]
[ECO "E99"]
[PlyCount "60"]
[EventDate "2007.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. a4 a5 14. Nd3 b6 15. b4 axb4 16. Nb5 Nf6 17. Be1 g4 18. Bxb4 g3 19. h3 Bxh3 20. gxh3 Qd7 21. Qd2 Qxh3 22. Bd1 Ne8 23. Qg2 Qd7 24. Ra3 Rf6 25. Bd2 Ng6 26. Qh1 Nf8 27. Qh5 Rh6 28. Qg4 Qf7 29. Bxf4 exf4 30. Nxf4 Ng6 0-1

[Event "GER-ch30 V?\[1\] email"]
[Site "GER email"]
[Date "2005.12.15"]
[Round "?"]
[White "Gessner, Edwin"]
[Black "Mattheus, Ingomar"]
[Result "0-1"]
[ECO "E81"]
[PlyCount "44"]
[EventDate "2004.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. h3 e5 7. Be3 exd4 8. Bxd4 Be6 9. Qd2 Nc6 10. Be3 Nh5 11. Bf2 Be5 12. Nge2 Bxc4 13. g4 Nb4 14. Bg2 Nd3+ 15. Kf1 Nhf4 16. h4 Nxb2 17. Kg1 Bxe2 18. Nd5 Nc4 19. Qe1 Nxd5 20. exd5 Bxa1 21. Qxe2 b5 22. f4 Qf6 0-1

[Event "GER-ch29 V6 email"]
[Site "GER email"]
[Date "2004.10.07"]
[Round "?"]
[White "Klapp, Herwig"]
[Black "Mattheus, Ingomar"]
[Result "1/2-1/2"]
[ECO "C84"]
[PlyCount "79"]
[EventDate "2004.10.07"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Germany"]
[BlackTeam "Germany"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb7 7. d3 Be7 8. Nc3 0-0 9. Bd2 d6 10. Nd5 Nxd5 11. Bxd5 Qd7 12. a4 Nd8 13. Bxb7 Nxb7 14. b4 Rfb8 15. c3 Bf6 16. Qb3 a5 17. axb5 Qxb5 18. c4 Qb6 19. b5 Nc5 20. Qa3 a4 21. Be3 c6 22. Rab1 cxb5 23. Rxb5 Qc7 24. Rfb1 Rxb5 25. cxb5 Nb3 26. b6 Qb7 27. Nd2 Nxd2 28. Bxd2 Be7 29. Qc3 Bd8 30. Qb4 a3 31. Be3 Be7 32. Qb3 h6 33. h3 Bg5 34. Bxg5 hxg5 35. Ra1 Ra6 36. Rxa3 Rxa3 37. Qxa3 Qxb6 38. Qa8+ Kh7 39. Qd5 Kg6 40. g3 1/2-1/2

[Event "GER-ch29 V?\[1\] email"]
[Site "GER email"]
[Date "2004.10.07"]
[Round "?"]
[White "Zenker, Lothar"]
[Black "Mattheus, Ingomar"]
[Result "1/2-1/2"]
[ECO "C56"]
[PlyCount "95"]
[EventDate "2004.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bc5 8. 0-0 0-0 9. Bxc6 bxc6 10. Be3 Qe8 11. Re1 Qxe5 12. Nxc6 Qd6 13. Nd4 Rb8 14. Nb3 Bxe3 15. Rxe3 Qf6 16. f3 Nd6 17. Nc3 c6 18. Qd4 Qxd4 19. Nxd4 c5 20. Nc6 d4 21. Nxb8 dxe3 22. Nc6 Re8 23. Nxa7 Bf5 24. Rc1 Kf8 25. Kf1 Rb8 26. Nc6 Nc4 27. b3 Na3 28. Ne5 Rd8 29. g4 Bxc2 30. Ke2 f6 31. Nc4 Bd3+ 32. Kxe3 Bxc4 33. bxc4 Nxc4+ 34. Kf4 Ne5 35. Rd1 Rd4+ 36. Rxd4 cxd4 37. Nd1 Ke7 38. g5 Nc4 39. gxf6+ gxf6 40. Nf2 Ke6 41. a4 f5 42. Nd3 h6 43. h3 Kf6 44. Kg3 Ke7 45. Kf4 Ke6 46. Nc5+ Kf6 47. Nd3 Ke6 48. Nc5+ 1/2-1/2

[Event "GER-ch36 V4 email"]
[Site "GER email"]
[Date "2004.03.29"]
[Round "?"]
[White "Gonschior, Manfred"]
[Black "Mattheus, Ingomar"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2211"]
[BlackElo "2029"]
[PlyCount "41"]
[EventDate "2004.03.29"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 0-0 6. Re1 d6 7. a4 Be6 8. Nbd2 Qd7 9. c3 Rfe8 10. b4 a6 11. Bxe6 Qxe6 12. Qb3 d5 13. Bb2 Rad8 14. b5 Na5 15. Qa2 Bd6 16. Rad1 c6 17. exd5 Nxd5 18. Ne4 Bc7 19. bxa6 bxa6 20. Bc1 Rb8 21. Qc2 1/2-1/2

[Event "GER-ch36 V4 email"]
[Site "GER email"]
[Date "2004.03.29"]
[Round "?"]
[White "Hildebrand, Gerald"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "E99"]
[WhiteElo "2138"]
[BlackElo "2029"]
[PlyCount "77"]
[EventDate "2004.03.29"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. a4 Ng6 14. a5 h5 15. Nb5 Nf6 16. Nxa7 g4 17. Nxc8 g3 18. hxg3 fxg3 19. Bxg3 Rxc8 20. Ra3 h4 21. Bh2 Bh6 22. f4 Nxf4 23. Bg4 Nxg4 24. Qxg4+ Qg5 25. Qxg5+ Bxg5 26. Nf3 Ne2+ 27. Kh1 Nd4 28. Rg1 Bf4 29. Nxd4 exd4 30. Rd1 Be5 31. Rb3 Rb8 32. Bxe5 dxe5 33. Kh2 b6 34. a6 Ra8 35. Ra1 Kf7 36. Rf3+ Kg6 37. Rxf8 Rxf8 38. b4 Kg5 39. b5 1-0

[Event "GER-ch36 V4 email"]
[Site "GER email"]
[Date "2004.03.29"]
[Round "?"]
[White "Koch, Hans Georg"]
[Black "Mattheus, Ingomar"]
[Result "1/2-1/2"]
[ECO "C97"]
[WhiteElo "2233"]
[BlackElo "2029"]
[PlyCount "123"]
[EventDate "2004.03.29"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[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. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. b3 cxd4 14. cxd4 Rac8 15. b4 Qxc2 16. Qxc2 Rxc2 17. bxa5 Re8 18. Nf1 Bd8 19. dxe5 dxe5 20. Bd2 Rc4 21. Ng3 Ra4 22. a3 Bxa5 23. Bxa5 Rxa5 24. Reb1 h6 25. Rb4 Kf8 26. Nf1 Bc6 27. N1d2 g6 28. Ne1 Nd7 29. Nd3 Rd8 30. Nb3 Ra4 31. f3 Ke7 32. Rc1 Ba8 33. Rxa4 bxa4 34. Na5 Rb8 35. Rc7 Rb5 36. Nc4 f6 37. Ra7 Bb7 38. g4 Ke6 39. Kf2 h5 40. gxh5 gxh5 41. Nb4 Nc5 42. Kg3 Kd7 43. Kh4 Kc7 44. Kxh5 Kb8 45. Rxb7+ Nxb7 46. Kg6 a5 47. Nc2 Rb3 48. N4e3 Nd6 49. h4 Nb5 50. h5 Nxa3 51. h6 Nxc2 52. h7 Nxe3 53. h8Q+ Kb7 54. Qe8 Rb4 55. Qd7+ Kb6 56. Kxf6 Nc4 57. f4 exf4 58. e5 a3 59. e6 a2 60. Qd4+ Kc6 61. e7 Nd6 62. Qc3+ 1/2-1/2

[Event "GER-ch36 V4 email"]
[Site "GER email"]
[Date "2004.03.29"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "Kuhn, Wilfried"]
[Result "1/2-1/2"]
[ECO "E48"]
[WhiteElo "2029"]
[BlackElo "2089"]
[PlyCount "66"]
[EventDate "2004.03.29"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nge2 cxd4 7. exd4 d5 8. cxd5 Nxd5 9. 0-0 0-0 10. Bc2 Bd6 11. Nxd5 exd5 12. Bf4 Be7 13. Rc1 Be6 14. Qd3 g6 15. Bb3 Rc8 16. Rfe1 Re8 17. Nc3 a6 18. a3 Bf6 19. Ne2 Qb6 20. Be3 Na5 21. Ba4 Bf5 22. Qd2 Nc4 23. Rxc4 dxc4 24. Bxe8 Rxe8 25. a4 Qd6 26. a5 b5 27. axb6 Qxb6 28. Ra1 Rb8 29. Nc3 Qb7 30. Na4 Bg7 31. h3 h5 32. Ra2 Qb3 33. Nc3 Bd3 1/2-1/2

[Event "GER-ch36 V4 email"]
[Site "GER email"]
[Date "2004.03.29"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "Looschelders, Willi"]
[Result "0-1"]
[ECO "E48"]
[WhiteElo "2029"]
[BlackElo "2293"]
[PlyCount "126"]
[EventDate "2004.03.29"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. Nge2 c6 7. 0-0 Bd6 8. b3 e5 9. cxd5 cxd5 10. dxe5 Bxe5 11. Ba3 Re8 12. Rc1 Nc6 13. Qd2 Qa5 14. Bb2 Qb4 15. Ng3 Bd7 16. f4 Bc7 17. Kh1 Bb6 18. Rfe1 Qe7 19. Nf1 Rad8 20. a3 Na5 21. Bc2 Bc6 22. Qf2 d4 23. exd4 Bxd4 24. Rxe7 Bxf2 25. Rd1 Bb6 26. Rxe8+ Rxe8 27. h3 a6 28. Bc1 Bc7 29. Ng3 b5 30. Kh2 Kf8 31. Nf5 g6 32. Nd4 Bb7 33. Kg1 Ne4 34. Nce2 Bb6 35. Kf1 Rc8 36. Bxe4 Bxe4 37. Bd2 Rd8 38. g4 Bd5 39. Bb4+ Kg8 40. Bxa5 Bxa5 41. Rc1 Bb6 42. Nc6 Re8 43. Rc3 Kg7 44. Ne5 Rd8 45. Ke1 h6 46. h4 f6 47. Nc6 Re8 48. Kd2 Be6 49. g5 fxg5 50. hxg5 h5 51. Ncd4 Bd5 52. Nf3 a5 53. Rd3 Rd8 54. Nfd4 a4 55. Nc3 Bxb3 56. Ndxb5 Rxd3+ 57. Kxd3 h4 58. Ke4 Bc4 59. Kf3 Bf1 60. Nd6 h3 61. Nde4 Bg1 62. Ng3 Bg2+ 63. Ke2 h2 0-1

[Event "GER-ch36 V4 email"]
[Site "GER email"]
[Date "2004.03.29"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "Mehlhorn, Uwe"]
[Result "0-1"]
[ECO "E49"]
[WhiteElo "2029"]
[BlackElo "2219"]
[PlyCount "86"]
[EventDate "2004.03.29"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 0-0 6. Nge2 d5 7. a3 Bxc3+ 8. bxc3 dxc4 9. Bxc4 Nc6 10. 0-0 e5 11. Bb2 Qe7 12. Ng3 Rd8 13. d5 Na5 14. Ba2 b6 15. c4 Nb7 16. Qc2 Nd6 17. e4 Re8 18. Bb3 Bd7 19. Rfd1 h5 20. Nf5 Bxf5 21. exf5 Nd7 22. Ba4 Rad8 23. Re1 Qh4 24. Bb5 e4 25. Rad1 Nxf5 26. Bc6 Nd6 27. Qa4 Ne5 28. Bxe8 Ng4 29. h3 Qxf2+ 30. Kh1 Rxe8 31. hxg4 hxg4 32. Qd7 Qh4+ 33. Kg1 Rd8 34. Qc7 g3 35. Rc1 Kh7 36. Rc2 Nxc4 37. Qxf7 Qh2+ 38. Kf1 Qh1+ 39. Ke2 Qxg2+ 40. Kd1 Nxb2+ 41. Rxb2 Qf3+ 42. Qxf3 exf3 43. Rd2 f2 0-1

[Event "GER-ch36 V4 email"]
[Site "GER email"]
[Date "2004.03.29"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "Steinbrueck, Wolfgang"]
[Result "1-0"]
[ECO "D99"]
[WhiteElo "2029"]
[BlackElo "2048"]
[PlyCount "87"]
[EventDate "2004.03.29"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 Bg4 8. Be3 Nfd7 9. Rd1 Nb6 10. Qb3 Nc6 11. d5 Ne5 12. Be2 Nxf3+ 13. gxf3 Bh5 14. Rg1 Qd7 15. Rg3 f5 16. d6+ Kh8 17. dxc7 Qxc7 18. Nb5 Qb8 19. exf5 Rxf5 20. Nd4 Rd5 21. Ne6 Rxd1+ 22. Bxd1 Qe5 23. Nxg7 Kxg7 24. Rg5 Qf6 25. Ra5 Rd8 26. Rxa7 Nd5 27. Qd3 Qd6 28. Qd4+ Kf7 29. Rxb7 Qxh2 30. Rxe7+ Kxe7 31. Bg5+ Kd6 32. Bxd8 Qh1+ 33. Kd2 Bxf3 34. Bxf3 Qxf3 35. Bh4 Kc6 36. b4 Nf4 37. Qc3+ Qxc3+ 38. Kxc3 Ne6 39. a4 g5 40. Bg3 h5 41. b5+ Kb6 42. Kb4 h4 43. a5+ Kb7 44. Bh2 1-0

[Event "GER-ch36 V4 email"]
[Site "GER email"]
[Date "2004.03.29"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "Vogel, Detlef"]
[Result "0-1"]
[ECO "E48"]
[WhiteElo "2029"]
[BlackElo "2156"]
[PlyCount "86"]
[EventDate "2004.03.29"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. Nge2 c5 7. a3 cxd4 8. exd4 dxc4 9. Bxc4 Be7 10. 0-0 Nbd7 11. Bf4 Nb6 12. Bd3 Nh5 13. Qd2 Nxf4 14. Qxf4 Nd5 15. Qf3 Nxc3 16. bxc3 Qc7 17. Rfe1 Bd6 18. Qh5 g6 19. Qh4 b6 20. a4 Bb7 21. Ra2 Rab8 22. f4 Rfc8 23. Qg3 Be7 24. Rb1 Bd5 25. Rab2 Ba3 26. Rd2 Bf8 27. Rdb2 Qd6 28. Rb4 Be7 29. Ba6 Rc7 30. a5 Qd8 31. axb6 Rc6 32. Ra4 Rcxb6 33. Rxb6 Qxb6 34. Bd3 a5 35. Ra1 Qc7 36. Qe3 Rb2 37. Qc1 Qb7 38. g3 Bf3 39. Qe3 a4 40. Rxa4 Bxe2 41. Bxe2 Rb1+ 42. Kf2 Qh1 43. Qe5 Qxh2+ 0-1

[Event "GER-ch36 V4 email"]
[Site "GER email"]
[Date "2004.03.29"]
[Round "?"]
[White "Widmann, Roger"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2077"]
[BlackElo "2029"]
[PlyCount "77"]
[EventDate "2004.03.29"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 Ne5 8. Be2 Qg6 9. 0-0 d6 10. Kh1 0-0 11. Nd2 Ng4 12. Bf4 Re8 13. Nb5 Bb6 14. Nc4 Qxe4 15. f3 Nf2+ 16. Rxf2 Qxf4 17. Nxb6 cxb6 18. Nc7 Be6 19. Bb5 Rec8 20. Nxa8 Rxa8 21. Qd2 Qh4 22. Bd3 Rd8 23. Re2 d5 24. Rae1 Qf6 25. Bc4 h6 26. a3 Nc6 27. Ba2 Rd6 28. Qc2 g6 29. a4 Bf5 30. Qd1 d4 31. Rd2 Kg7 32. cxd4 Nxd4 33. b4 Rd8 34. Qa1 Be6 35. Bxe6 fxe6 36. Qc1 Rd7 37. Re4 e5 38. Qe1 Re7 39. f4 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2002.10.10"]
[Round "7"]
[White "Mattheus, Ingomar"]
[Black "Kaland, Joachim"]
[Result "1-0"]
[ECO "E49"]
[PlyCount "81"]
[EventDate "2002.08.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 c5 6. Nge2 d5 7. a3 Bxc3+ 8. bxc3 Qc7 9. cxd5 Nxd5 10. e4 Ne7 11. Bf4 Qa5 12. 0-0 Nbc6 13. Bd6 cxd4 14. cxd4 Re8 15. e5 Qd8 16. Qc2 Nf5 17. Bxf5 exf5 18. Rfd1 Bd7 19. f4 Rc8 20. Qd3 a6 21. d5 Na5 22. Bb4 Bb5 23. Qf3 Bxe2 24. Qxe2 Nc4 25. d6 Qd7 26. Rac1 b5 27. Qf3 a5 28. Be1 g5 29. g3 g4 30. Qb3 a4 31. Qb4 f6 32. exf6 Ne3 33. Rxc8 Rxc8 34. Rb1 Qb7 35. Rb2 Rc1 36. Qd2 Qf3 37. Qf2 Qxf2+ 38. Kxf2 Nd1+ 39. Ke2 Nxb2 40. d7 Rd1 41. Bd2 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2002.09.26"]
[Round "6"]
[White "Stortz, Marcus"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "93"]
[EventDate "2002.08.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 h6 7. Bh4 c6 8. Bd3 Be7 9. Nf3 0-0 10. 0-0 Ne4 11. Bxe7 Qxe7 12. Qc2 f5 13. Ne2 g5 14. g3 Qf7 15. b4 Qh5 16. Kg2 Ndf6 17. Ne5 f4 18. Ng1 Be6 19. f3 fxg3 20. hxg3 Nxg3 21. Kxg3 Qh4+ 22. Kg2 g4 23. Bh7+ Kg7 24. Ng6 gxf3+ 25. Rxf3 Qg5+ 26. Rg3 Ng4 27. Re1 Qh5 28. Nxf8 Qh2+ 29. Kf1 Rxf8+ 30. Rf3 Rxf3+ 31. Nxf3 Qh1+ 32. Ng1 Nh2+ 33. Kf2 Ng4+ 34. Ke2 Qg2+ 35. Kd1 Nxe3+ 36. Rxe3 Qxg1+ 37. Kd2 Qf2+ 38. Re2 Qxd4+ 39. Kc1 Qa1+ 40. Qb1 Qc3+ 41. Qc2 Qa1+ 42. Qb1 Qc3+ 43. Bc2 Bg4 44. Re7+ Kf8 45. Rxb7 Qe1+ 46. Kb2 Qe5+ 47. Ka3 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2002.09.19"]
[Round "5"]
[White "Mattheus, Ingomar"]
[Black "Kluever, Horst"]
[Result "1-0"]
[ECO "D63"]
[PlyCount "93"]
[EventDate "2002.08.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 Nbd7 7. Rc1 b6 8. cxd5 Nxd5 9. Nxd5 Bxg5 10. Nxc7 Rb8 11. Be2 Bb7 12. 0-0 Bh6 13. Nb5 Nf6 14. Nxa7 Ra8 15. Nc6 Bxc6 16. Rxc6 Rxa2 17. Qb3 Ra8 18. Rxb6 Nd5 19. Rb7 Qd6 20. Ne5 Rab8 21. Ra1 Rxb7 22. Qxb7 f6 23. Ng4 Qc7 24. Nxh6+ gxh6 25. Qxc7 Nxc7 26. Bc4 Re8 27. Ra7 Rc8 28. b3 Kf8 29. Kf1 Ke8 30. Ke2 h5 31. Kd3 h6 32. e4 Kd8 33. Ra5 Ke7 34. Rxh5 Rh8 35. Ra5 Rg8 36. g3 Rg5 37. Rxg5 hxg5 38. h4 gxh4 39. gxh4 Ne8 40. b4 Ng7 41. b5 Kd6 42. f4 Kc7 43. Ke3 Kb6 44. Be2 f5 45. e5 Ne8 46. h5 Nc7 47. Bc4 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2002.09.12"]
[Round "4"]
[White "Dumjahn, Carsten"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2026"]
[PlyCount "81"]
[EventDate "2002.08.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. g3 d6 5. exd6 e6 6. Bg2 Bxd6 7. Nf3 0-0 8. 0-0 Bd7 9. d4 Nc6 10. Na3 cxd4 11. Nb5 Be7 12. Nbxd4 Bf6 13. Nxc6 Bxc6 14. Nd4 Bxd4 15. Qxd4 Qf6 16. Qxf6 gxf6 17. Rd1 Rfd8 18. Bh6 Ne7 19. Be3 Bxg2 20. Kxg2 Nc6 21. Kf1 b6 22. Ke2 Kf8 23. a4 Ke7 24. b4 Ne5 25. Rxd8 Rxd8 26. a5 Nc4 27. axb6 axb6 28. Ra7+ Rd7 29. Ra8 h5 30. Rc8 Nxe3 31. Kxe3 Rd1 32. Rh8 Re1+ 33. Kd2 Re5 34. c4 Kd6 35. Rd8+ Kc6 36. Rc8+ Kd6 37. Rf8 Rf5 38. Ke3 Re5+ 39. Kd3 Rf5 40. f4 e5 41. Ke4 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2002.09.05"]
[Round "3"]
[White "Mattheus, Ingomar"]
[Black "Niemann, Jens"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "45"]
[EventDate "2002.08.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. 0-0-0 Bd7 10. h4 h5 11. Be2 Ne5 12. Bh6 Kh7 13. Bxg7 Kxg7 14. g4 Rc8 15. gxh5 Nxh5 16. Rdg1 Nc4 17. Bxc4 Rxc4 18. Nf5+ Bxf5 19. exf5 Rf4 20. Rg5 e5 21. Rhg1 Rd4 22. Qh2 Qf6 23. Rxh5 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2002.08.29"]
[Round "2"]
[White "Murra, Matthias"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "87"]
[EventDate "2002.08.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 f5 11. Bd3 Be6 12. 0-0 f4 13. Qh5 Rg8 14. g3 Bg4 15. Qxh7 Rg7 16. Qh8 Nd4 17. h3 Bd7 18. Kg2 Rc8 19. c3 Ne6 20. g4 Ng5 21. f3 Nh7 22. Kf2 Qh4+ 23. Ke2 Qh6 24. Nc2 f6 25. g5 fxg5 26. h4 g4 27. Rg1 g3 28. Nb6 Rb8 29. Nxd7 Kxd7 30. a4 Kc7 31. Nb4 Rd8 32. Nxa6+ Kc8 33. Bxb5 Be7 34. Qxd8+ Bxd8 35. Nb4 Ra7 36. Nc6 Ra8 37. b4 Nf8 38. a5 Qh7 39. Bc4 Kc7 40. Bd5 Bxh4 41. b5 Qd7 42. b6+ Kc8 43. a6 Rb8 44. b7+ 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2002.08.22"]
[Round "1"]
[White "Mattheus, Ingomar"]
[Black "Schleu, Guenther"]
[Result "1-0"]
[ECO "D53"]
[PlyCount "67"]
[EventDate "2002.08.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Be7 6. e3 Nbd7 7. Rc1 a6 8. cxd5 cxd5 9. Bd3 b5 10. 0-0 Bb7 11. Qe2 0-0 12. h3 Rc8 13. a4 b4 14. Nb1 a5 15. Nbd2 h6 16. Bf4 Qb6 17. Ne5 Nxe5 18. Bxe5 Qd8 19. Nb3 Bd6 20. Bxd6 Qxd6 21. Nxa5 Rxc1 22. Rxc1 Rc8 23. Rxc8+ Bxc8 24. Qc2 Bd7 25. Nb7 Qc6 26. Nc5 Qc7 27. Nxd7 Qxd7 28. Bb5 Qb7 29. Qc6 Qxc6 30. Bxc6 Ne4 31. a5 Nd6 32. Bd7 Kf8 33. a6 Ke7 34. a7 1-0

[Event "Pinneberg op Seniors 03rd"]
[Site "Pinneberg"]
[Date "2002.07.04"]
[Round "5"]
[White "Mattheus, Ingomar"]
[Black "Lubisch, Gerwalt"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "61"]
[EventDate "2002.06.06"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. h3 Bg7 5. Be3 0-0 6. Qd2 Re8 7. Nf3 a6 8. a4 b6 9. Bd3 Bb7 10. 0-0 Nbd7 11. Ne1 c5 12. d5 e6 13. Bc4 Ne5 14. Ba2 c4 15. f4 Ned7 16. Bxc4 e5 17. f5 Qc7 18. Bd3 Nc5 19. fxg6 hxg6 20. Qf2 Nxd3 21. Nxd3 Re7 22. Bg5 Nxe4 23. Nxe4 Bxd5 24. Nf6+ Bxf6 25. Bxf6 Re6 26. Qh4 Rxf6 27. Rxf6 Kf8 28. Raf1 Ra7 29. Qh8+ Ke7 30. Qg8 Kd7 31. Rxf7+ 1-0

[Event "Pinneberg op Seniors 03rd"]
[Site "Pinneberg"]
[Date "2002.06.27"]
[Round "4"]
[White "Heine, Hellmut"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "41"]
[EventDate "2002.06.06"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. f3 Nf6 5. e4 dxe4 6. Nc3 e6 7. fxe4 Bb4 8. Bd3 Nc6 9. Nf3 0-0 10. Be3 Ng4 11. Qe2 e5 12. dxe5 Ncxe5 13. 0-0 Bxc3 14. bxc3 Nxe3 15. Qxe3 Qe7 16. Nxe5 Qxe5 17. Qd4 Qe7 18. e5 f5 19. e6 g6 20. Bc4 Rd8 21. Qxd8+ 1-0

[Event "Pinneberg op Seniors 03rd"]
[Site "Pinneberg"]
[Date "2002.06.20"]
[Round "3"]
[White "Mattheus, Ingomar"]
[Black "Berking, Bernhard"]
[Result "1-0"]
[ECO "B90"]
[PlyCount "59"]
[EventDate "2002.06.06"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be7 8. Be3 b5 9. a4 Be6 10. axb5 Bxb3 11. cxb3 a5 12. b6 Nbd7 13. b7 Rb8 14. Ba6 Nc5 15. Bxc5 dxc5 16. Qxd8+ Bxd8 17. Nb5 0-0 18. Na7 Bc7 19. Nc6 Rbe8 20. Nxa5 Re6 21. Nc4 Rd8 22. Ke2 Rd4 23. Bb5 Rd8 24. Ra8 Rb8 25. Rha1 Re7 26. Bc6 Nd7 27. Rd1 Nf8 28. Rxb8 Bxb8 29. Rd8 Bc7 30. Rc8 1-0

[Event "Pinneberg op Seniors 03rd"]
[Site "Pinneberg"]
[Date "2002.06.13"]
[Round "2"]
[White "Loesekamm, Heinrich"]
[Black "Mattheus, Ingomar"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "73"]
[EventDate "2002.06.06"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. Nc3 Nc6 4. Nf3 d6 5. d3 Nf6 6. h3 Be7 7. a3 a6 8. 0-0 0-0 9. Bd2 b5 10. Ba2 Bb7 11. Ne2 Rc8 12. c4 bxc4 13. Bxc4 d5 14. exd5 exd5 15. Ba2 h6 16. Ng3 Qd7 17. Re1 Bd6 18. Nf1 d4 19. Nh4 Ne7 20. Nf3 Ng6 21. b4 Rfe8 22. Rxe8+ Rxe8 23. bxc5 Bxc5 24. Bc4 Nd5 25. Ng3 Ndf4 26. Bxf4 Nxf4 27. Ne4 Ba7 28. Qd2 Ng6 29. Re1 Ne5 30. Nxe5 Rxe5 31. f4 Re7 32. g4 Qc7 33. Qc1 Bb8 34. Qd2 Bxe4 35. Rxe4 Rxe4 36. Bxf7+ Qxf7 37. dxe4 0-1

[Event "Pinneberg op Seniors 03rd"]
[Site "Pinneberg"]
[Date "2002.06.06"]
[Round "1"]
[White "Mattheus, Ingomar"]
[Black "Diehl, Alexander"]
[Result "0-1"]
[ECO "C14"]
[PlyCount "52"]
[EventDate "2002.06.06"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 c5 7. Nb5 cxd4 8. Nd6+ Kf8 9. Qh5 g6 10. Qh6+ Kg8 11. Bxe7 Qxe7 12. Nxc8 Qb4+ 13. Qd2 Qxb2 14. Rd1 Nc6 15. Nd6 d3 16. f4 dxc2 17. Rc1 Nb4 18. Nf3 Nc5 19. Kf2 Rd8 20. Kg1 Kg7 21. h5 h6 22. hxg6 Ne4 23. Nxe4 dxe4 24. Qe1 exf3 25. Qh4 Nd5 26. g3 Qxc1 0-1

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "2001.10.11"]
[Round "7"]
[White "Mattheus, Ingomar"]
[Black "Schroeder, Raymond"]
[Result "0-1"]
[ECO "C13"]
[BlackElo "2105"]
[PlyCount "80"]
[EventDate "2001.08.30"]
[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 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 Nd7 8. c3 0-0 9. Bd3 b6 10. 0-0 Bb7 11. Qc2 h6 12. Rfe1 Rc8 13. Rad1 Qe7 14. Nxf6+ Qxf6 15. Be4 Bxe4 16. Qxe4 Rfd8 17. Ne5 Nxe5 18. Qxe5 Qg6 19. Qe2 Rd5 20. c4 Rd7 21. Rd2 Rcd8 22. Red1 Qg5 23. Qe3 Qa5 24. a3 Qa4 25. Qe2 Qa5 26. g3 Qf5 27. b4 c5 28. dxc5 Rxd2 29. Rxd2 Rxd2 30. Qxd2 bxc5 31. bxc5 Qxc5 32. Qb4 Qd4 33. c5 Qd1+ 34. Kg2 Qd5+ 35. f3 Qa2+ 36. Kh3 Qe2 37. Qb8+ Kh7 38. Qb7 Qf1+ 39. Kh4 g5+ 40. Kg4 Kg6 0-1

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "2001.10.04"]
[Round "6"]
[White "Rajkovic, Radomir"]
[Black "Mattheus, Ingomar"]
[Result "0-1"]
[ECO "E30"]
[PlyCount "128"]
[EventDate "2001.08.30"]
[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 e6 3. Nc3 Bb4 4. Bg5 c5 5. dxc5 Bxc3+ 6. bxc3 Nc6 7. Nf3 h6 8. Bf4 Qa5 9. Qb3 Ne4 10. Bd2 Nxc5 11. Qc2 d6 12. Nd4 a6 13. e3 Bd7 14. Be2 0-0 15. 0-0 Qc7 16. Bf3 f5 17. h3 Ne5 18. Be2 Ne4 19. Bf3 Nxd2 20. Qxd2 Nxc4 21. Qd1 d5 22. Rb1 b5 23. g3 Rad8 24. Be2 e5 25. Nf3 Bc6 26. Qb3 Kh7 27. Qd1 Qe7 28. Rb3 Qf6 29. Nd2 g5 30. Qc2 Kh8 31. Nxc4 dxc4 32. Rbb1 Be4 33. Qb2 Bxb1 34. Rxb1 Rd5 35. Qb4 Rfd8 36. a4 e4 37. Qa5 Qd6 38. axb5 f4 39. Qxa6 fxg3 40. Qxd6 gxf2+ 41. Kxf2 R5xd6 42. Rb4 Rc8 43. b6 Rb8 44. b7 Rd7 45. Rxc4 Rbxb7 46. Rxe4 Rd2 47. Rd4 Rc2 48. Rb4 Ra7 49. Kf3 Rf7+ 50. Ke4 Rxe2 51. c4 Re7+ 52. Kf5 R2xe3 53. Kg6 R3e6+ 54. Kh5 Rc6 55. c5 Kg7 56. h4 Rxc5 57. Rg4 Rce5 58. Rg2 Kh7 59. Ra2 gxh4+ 60. Kxh4 Rg7 61. Rc2 Re4+ 62. Kh3 Reg4 63. Rb2 Rg3+ 64. Kh4 Rg2 0-1

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "2001.09.27"]
[Round "5"]
[White "Meyerhold, Sven"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "85"]
[EventDate "2001.08.30"]
[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. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e6 7. 0-0 Be7 8. Qe2 Nf6 9. h3 0-0 10. Rd1 Qa5 11. Bf4 e5 12. Bg5 Ne8 13. b4 Qd8 14. Bxe7 Qxe7 15. Nd5 Qd8 16. Nc3 a6 17. Rd2 Be6 18. Rad1 Rc8 19. Bxe6 fxe6 20. b5 Nd4 21. Nxd4 exd4 22. Na4 Qa5 23. Rxd4 axb5 24. Nb2 Qxa2 25. e5 d5 26. Qxb5 Rc2 27. R4d2 Rxd2 28. Rxd2 Qa6 29. Qd7 Qc6 30. Qxc6 bxc6 31. Rc2 Nc7 32. Rxc6 Rf7 33. Nd3 Re7 34. Nc5 Kf7 35. Rb6 Ne8 36. g4 g5 37. Kg2 Nc7 38. Kg3 Kg6 39. h4 h5 40. hxg5 Kxg5 41. Rb7 h4+ 42. Kh3 d4 43. Rxc7 1-0

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "2001.09.20"]
[Round "4"]
[White "Mattheus, Ingomar"]
[Black "Jiltzow, Friedrich"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "33"]
[EventDate "2001.08.30"]
[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 d5 2. exd5 Nf6 3. c4 e6 4. d4 Bb4+ 5. Nc3 0-0 6. Nf3 Ne4 7. Qc2 exd5 8. Bd3 Nc6 9. cxd5 Qxd5 10. Bxe4 Re8 11. 0-0 Nxd4 12. Nxd5 Nxc2 13. Bxc2 Ba5 14. Be3 c6 15. Nf4 Bg4 16. Rad1 Re7 17. h3 1-0

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "2001.09.13"]
[Round "3"]
[White "Mattheus, Ingomar"]
[Black "Sausmikat, Michael"]
[Result "1-0"]
[ECO "B80"]
[PlyCount "78"]
[EventDate "2001.08.30"]
[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. f3 e6 7. Be3 Be7 8. Qd2 Qc7 9. g4 b5 10. g5 Nfd7 11. 0-0-0 Bb7 12. Kb1 Nc6 13. Qf2 Rc8 14. h4 Nce5 15. h5 Nc4 16. Bxc4 Qxc4 17. g6 hxg6 18. hxg6 Rf8 19. gxf7+ Rxf7 20. Rh8+ Nf8 21. Qh2 b4 22. Na4 e5 23. Nb6 Qc7 24. Ne6 Qc6 25. Nxc8 Bxc8 26. Nxf8 Bxf8 27. Qh5 Be6 28. b3 a5 29. Qg6 Kd7 30. Qg3 Kc7 31. Rh7 Kb7 32. Rd3 Rc7 33. Qf2 a4 34. Rh1 Qa6 35. Qd2 Qb5 36. Rd1 Rc6 37. f4 Bg4 38. Rg1 Bf3 39. Rd5 Qa6 1-0

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "2001.09.06"]
[Round "2"]
[White "Bokelbrink, Uwe"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2276"]
[PlyCount "81"]
[EventDate "2001.08.30"]
[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. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 0-0 12. Nc2 Bg5 13. a4 bxa4 14. Rxa4 a5 15. Bc4 Kh8 16. h4 Bh6 17. g4 Bf4 18. b4 Ne7 19. Nxf4 exf4 20. h5 Bb7 21. h6 g6 22. b5 d5 23. Qd4+ f6 24. Bd3 dxe4 25. Bxe4 Bxe4 26. Qxd8 Raxd8 27. Rxe4 Rfe8 28. Nd4 Nc6 29. Rxe8+ Rxe8+ 30. Kd2 Ne5 31. f3 Rc8 32. Ra1 Nc4+ 33. Kc2 Kg8 34. Nc6 Ra8 35. Ra4 Ne5 36. Rxa5 Rxa5 37. Nxa5 Kf7 38. b6 Nd7 39. b7 Nb8 40. c4 Ke7 41. c5 1-0

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "2001.08.30"]
[Round "1"]
[White "Mattheus, Ingomar"]
[Black "Stritzel, Reinhard"]
[Result "1-0"]
[ECO "C87"]
[PlyCount "51"]
[EventDate "2001.08.30"]
[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. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. d4 exd4 6. Nxd4 Bd7 7. Bxc6 bxc6 8. Nc3 Nf6 9. Bg5 Be7 10. 0-0 0-0 11. Qd3 Re8 12. Rfe1 Ng4 13. Bxe7 Rxe7 14. f4 Qe8 15. h3 Nf6 16. Nf3 Nh5 17. Qd2 g6 18. Rad1 Rb8 19. b3 f6 20. Kh2 Qf7 21. g4 Ng7 22. f5 Rbe8 23. Qh6 g5 24. e5 dxe5 25. Ne4 Rf8 26. Nfxg5 1-0

[Event "Pinneberg op Seniors 02nd"]
[Site "Pinneberg"]
[Date "2001.07.27"]
[Round "3"]
[White "Mattheus, Ingomar"]
[Black "Ropers, Guenter"]
[Result "1-0"]
[ECO "C87"]
[WhiteElo "1913"]
[BlackElo "1833"]
[PlyCount "103"]
[EventDate "2001.06.07"]
[EventType "swiss"]
[EventRounds "5"]
[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. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 0-0 7. Bxc6 bxc6 8. Nxe5 c5 9. d3 Bb7 10. Nc3 c6 11. h3 d6 12. Nf3 d5 13. e5 Nd7 14. Bf4 d4 15. Ne4 Nb6 16. Bg3 Nd5 17. Qd2 Qd7 18. c4 dxc3 19. bxc3 f5 20. exf6 Nxf6 21. Nxf6+ Bxf6 22. Be5 Rad8 23. Re3 c4 24. Bxf6 Rxf6 25. Rae1 c5 26. Ne5 Qd5 27. f3 a5 28. Qe2 Ba6 29. dxc4 Qb7 30. Ng4 Rff8 31. Re7 Qc8 32. Qe5 Rf7 33. Re8+ Rxe8 34. Qxe8+ Qxe8 35. Rxe8+ Rf8 36. Rxf8+ Kxf8 37. Ne5 Ke7 38. Nc6+ Kd6 39. Nxa5 Kc7 40. Nb3 Bxc4 41. Nxc5 Bxa2 42. Kf2 Kc6 43. Ne4 Kd5 44. Ke3 Bc4 45. g4 Bf1 46. h4 Ba6 47. g5 Bb5 48. h5 Be8 49. h6 gxh6 50. Nf6+ Kc4 51. Nxe8 hxg5 52. Nf6 1-0

[Event "Pinneberg op Seniors 02nd"]
[Site "Pinneberg"]
[Date "2001.07.27"]
[Round "4"]
[White "Mattheus, Ingomar"]
[Black "Van Riesen, Klaus"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1913"]
[BlackElo "2128"]
[PlyCount "84"]
[EventDate "2001.06.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qb6 6. Nb3 Qc7 7. Bd3 b5 8. 0-0 Bb7 9. Be3 d6 10. a3 Nf6 11. f3 Nbd7 12. Qe2 Be7 13. Rfd1 0-0 14. Qf2 d5 15. exd5 Nxd5 16. Nxd5 Bxd5 17. Nd2 Nc5 18. Ne4 Nxd3 19. Rxd3 Rac8 20. Nc3 Bc4 21. Rdd1 Bd6 22. g3 Be5 23. Bd4 Bxd4 24. Rxd4 e5 25. Rd2 Be6 26. Rad1 Qc4 27. Ne4 Qc7 28. Kg2 h6 29. Qe2 Rb8 30. c3 Bb3 31. Re1 Rbd8 32. Rxd8 Rxd8 33. Nd2 Be6 34. Nf1 f6 35. Ne3 Bb3 36. Qf2 Rd3 37. Re2 Qd7 38. Nf1 Be6 39. Kg1 Bh3 40. Nd2 h5 41. Ne4 Rd1+ 42. Re1 Qd3 0-1

[Event "Pinneberg op Seniors 02nd"]
[Site "Pinneberg"]
[Date "2001.07.05"]
[Round "5"]
[White "Harms, Peter"]
[Black "Mattheus, Ingomar"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "1662"]
[BlackElo "1913"]
[PlyCount "108"]
[EventDate "2001.06.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. d3 Nc6 4. g3 e5 5. Bg2 Nf6 6. Bg5 Be7 7. 0-0 h6 8. Bxf6 Bxf6 9. Nbd2 0-0 10. a3 a5 11. Qc2 a4 12. e3 Re8 13. Rac1 Be6 14. e4 Qd7 15. Ne1 Bh3 16. Bxh3 Qxh3 17. Ng2 g5 18. Qd1 Ne7 19. Qf3 Bg7 20. g4 Qxf3 21. Nxf3 Ng6 22. h4 f6 23. Rb1 Nf8 24. b3 axb3 25. Rxb3 b6 26. Ra1 Ne6 27. Rb5 Nc5 28. Nfe1 Bf8 29. f3 Ra7 30. Rb2 Rea8 31. Rba2 Na4 32. Nc2 Nc3 33. Rb2 Bxa3 34. Nxa3 Rxa3 35. Rxa3 Rxa3 36. hxg5 hxg5 37. Ne1 Ra1 38. Kf1 Kf7 39. Rh2 Kg7 40. Rb2 Nd1 41. Rd2 Ne3+ 42. Ke2 Kf7 43. Nc2 Nxc2 44. Rxc2 Rh1 45. Kd2 Rh2+ 46. Kc1 Rxc2+ 47. Kxc2 Ke6 48. Kb3 Kd6 49. Kb4 Kc6 50. Ka4 Kc5 51. Kb3 b5 52. cxb5 Kxb5 53. Ka3 c6 54. Kb3 c5 0-1

[Event "Pinneberg op Seniors 02nd"]
[Site "Pinneberg"]
[Date "2001.06.14"]
[Round "2"]
[White "Heine, Hellmut"]
[Black "Mattheus, Ingomar"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1790"]
[BlackElo "1913"]
[PlyCount "88"]
[EventDate "2001.06.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. f3 Nf6 5. e3 e6 6. Bd3 c5 7. c3 Nc6 8. Ne2 Bd6 9. Bxd6 Qxd6 10. dxc5 Qxc5 11. Kf2 e5 12. Nd2 e4 13. Bc2 Ne5 14. Nd4 0-0 15. N2b3 Qb6 16. Qe2 Nc4 17. Bxe4 Nxe4+ 18. fxe4 Re8 19. Rhf1 Rxe4 20. Kg1 Nxe3 21. Qf3 Nxf1 22. Rxf1 Qg6 23. Nc5 Bg4 24. Qf2 Re7 25. Qh4 Rae8 26. h3 b6 27. Ncb3 Bc8 28. Nd2 h6 29. N2f3 Re4 30. Re1 Rxe1+ 31. Nxe1 Qg5 32. Qf2 Qe3 33. Qxe3 Rxe3 34. Kf2 Re4 35. b4 f5 36. Nd3 g5 37. Nc1 f4 38. Nce2 Kg7 39. b5 Kf6 40. a3 a6 41. a4 axb5 42. axb5 Bd7 43. g4 Re3 44. Kg2 Bxb5 0-1

[Event "Pinneberg op Seniors 02nd"]
[Site "Pinneberg"]
[Date "2001.06.07"]
[Round "1"]
[White "Mattheus, Ingomar"]
[Black "Himmelstaub, Werner"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1913"]
[BlackElo "1691"]
[PlyCount "79"]
[EventDate "2001.06.07"]
[EventType "swiss"]
[EventRounds "5"]
[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 Be7 4. d4 exd4 5. Nxd4 Ne5 6. Bb3 Nf6 7. Nc3 c6 8. Nf5 0-0 9. Nxe7+ Qxe7 10. 0-0 h6 11. Qe2 d6 12. h3 a5 13. Re1 b5 14. a3 Ba6 15. Qe3 Nfd7 16. Qg3 Qf6 17. Be3 Nc5 18. Bxc5 dxc5 19. Rad1 c4 20. Ba2 Rad8 21. Ne2 Ng6 22. c3 Rfe8 23. Bb1 Qe5 24. f4 Qe7 25. Nd4 Qc7 26. e5 c5 27. Nf5 Bc8 28. Nd6 Rf8 29. f5 Nh8 30. Be4 Qb6 31. Bd5 Rxd6 32. exd6 Bxf5 33. Qe5 Bd3 34. d7 Ng6 35. Qe8 Kh7 36. Bxf7 Qf6 37. Rxd3 cxd3 38. Bxg6+ Kg8 39. Qxf8+ Qxf8 40. Re8 1-0

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "2000.10.12"]
[Round "7"]
[White "Hochreiner, Juergen"]
[Black "Mattheus, Ingomar"]
[Result "1/2-1/2"]
[ECO "B70"]
[PlyCount "47"]
[EventDate "2000.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. Be2 Nf6 5. 0-0 g6 6. d4 cxd4 7. Nxd4 Bg7 8. Nf3 0-0 9. Rb1 a6 10. Be3 b5 11. a3 Bb7 12. Bd3 Rc8 13. h3 Nd7 14. Qd2 e5 15. Nxe5 Ncxe5 16. Bh6 Nc4 17. Bxc4 Rxc4 18. Bxg7 Kxg7 19. f3 Qb6+ 20. Qf2 Qxf2+ 21. Rxf2 Rfc8 22. Rc1 f6 23. Rd2 Kf7 24. Nd1 1/2-1/2

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "2000.10.05"]
[Round "6"]
[White "Mattheus, Ingomar"]
[Black "Besenthal, Klaus Guenther"]
[Result "0-1"]
[ECO "C18"]
[PlyCount "80"]
[EventDate "2000.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 Bd7 12. Qd3 dxc3 13. Nxc3 a6 14. Rb1 Rc8 15. Bd2 Na5 16. Qd4 b5 17. a4 Nac6 18. Qc5 b4 19. Nd1 a5 20. Ne3 Qd8 21. Ba6 Rc7 22. Qb6 d4 23. Nc4 Nd5 24. Nd6+ Kf8 25. Qc5 Nb8 26. Qxa5 Nxa6 27. Qxa6 Rxg2 28. Ne4 Qh4+ 29. Kd1 Rxd2+ 30. Nxd2 Ne3+ 31. Ke2 Qg4+ 32. Ke1 Nxc2+ 33. Kf2 Qxf4+ 34. Nf3 Qe3+ 35. Kg3 Rc3 36. Qd6+ Kg7 37. Rhf1 Bc6 38. Kh3 Bxf3 39. Rg1+ Bg2+ 40. Kxg2 Qf3# 0-1

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "2000.09.28"]
[Round "5"]
[White "Kogge, Dierk"]
[Black "Mattheus, Ingomar"]
[Result "0-1"]
[ECO "A09"]
[PlyCount "44"]
[EventDate "2000.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. 0-0 e5 5. d3 Ne7 6. c4 d4 7. Bg5 h6 8. Bd2 0-0 9. b4 Nd7 10. c5 a5 11. b5 Nxc5 12. Qc1 Qd6 13. Bxh6 Bxh6 14. Qxh6 Nf5 15. Qg5 Kg7 16. Nh4 Nxh4 17. gxh4 Ne6 18. Qg3 Nf4 19. Qf3 Rh8 20. Nd2 Rxh4 21. Ne4 Qe7 22. Rfc1 Bg4 0-1

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "2000.09.21"]
[Round "4"]
[White "Mattheus, Ingomar"]
[Black "Hawranke, Dietrich"]
[Result "0-1"]
[ECO "B76"]
[PlyCount "46"]
[EventDate "2000.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. Bc4 cxd4 6. Nxd4 Qc5 7. Bxf7+ Kxf7 8. Qf3+ Nf6 9. Be3 Qh5 10. Qg3 d6 11. f3 Bh6 12. Qf2 Bxe3 13. Qxe3 Nc6 14. Nb3 Be6 15. 0-0-0 Bxb3 16. axb3 Qa5 17. g4 Nb4 18. g5 Nd7 19. f4 Qa1+ 20. Nb1 Na2+ 21. Kd2 Qxb2 22. f5 Rac8 23. fxg6+ hxg6 0-1

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "2000.09.14"]
[Round "3"]
[White "Koch, Soeren"]
[Black "Mattheus, Ingomar"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "76"]
[EventDate "2000.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. a4 a6 8. Na3 Be6 9. Bg5 Be7 10. Bxf6 Bxf6 11. Bc4 0-0 12. Nd5 Bg5 13. c3 Kh8 14. 0-0 Ne7 15. Nxe7 Qxe7 16. Bd5 Rac8 17. Nc4 Rxc4 18. Bxc4 Bxc4 19. Re1 f5 20. exf5 Rxf5 21. b3 Be6 22. c4 Qf8 23. Qe2 Bd8 24. Qe3 Ba5 25. Re2 Bb4 26. Raa2 Bc5 27. Qe4 Qf7 28. Qh4 h6 29. Kh1 Kh7 30. f3 Rf4 31. Qe1 Bf5 32. Ra1 Bd3 33. Rea2 e4 34. Rd1 Qg6 35. Qd2 Rf6 36. fxe4 Bxe4 37. Qe1 Bc2 38. Rd2 Bxb3 0-1

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "2000.09.07"]
[Round "2"]
[White "Mattheus, Ingomar"]
[Black "Rabeler, Gert"]
[Result "1/2-1/2"]
[ECO "B14"]
[BlackElo "2330"]
[PlyCount "107"]
[EventDate "2000.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. cxd5 Bg7 7. Qb3 0-0 8. Be2 Ne8 9. Be3 Nd7 10. Bf3 Nd6 11. Nge2 Nb6 12. 0-0 Bd7 13. Rac1 a5 14. Rfe1 Ra6 15. a4 Qe8 16. Nb5 Bxb5 17. axb5 a4 18. Qc2 Nxb5 19. Qc5 Qd7 20. Nf4 Nc8 21. Nd3 Ncd6 22. Ne5 Qe8 23. Be2 Ra8 24. Qb4 f6 25. Nd3 f5 26. Nf4 g5 27. Ne6 f4 28. Bd2 a3 29. bxa3 f3 30. Nxf8 Nxd4 31. Bd1 Kxf8 32. Rc7 Bf6 33. Bc3 Qd8 34. Bxd4 Qxc7 35. Bxf6 exf6 36. Bxf3 Kg7 37. g3 Re8 38. Re6 Rxe6 39. dxe6 b5 40. Bd5 h5 41. h4 gxh4 42. Qxh4 Qc1+ 43. Kg2 Qg5 44. Qxg5+ fxg5 45. Bc6 Kf6 46. Bd7 Nc4 47. Bxb5 Nxa3 48. Bd7 Nc2 49. f4 gxf4 50. gxf4 Nd4 51. Kh3 Nxe6 52. Bxe6 Kxe6 53. Kh4 Kf5 54. Kxh5 1/2-1/2

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "2000.08.31"]
[Round "1"]
[White "Gebel, Ralph"]
[Black "Mattheus, Ingomar"]
[Result "0-1"]
[ECO "A34"]
[PlyCount "80"]
[EventDate "2000.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. e4 e5 7. Nge2 Nc6 8. 0-0 Be7 9. a3 0-0 10. d3 f5 11. f4 Bf6 12. Qc2 Kh8 13. Be3 Nd4 14. Bxd4 cxd4 15. Nd1 fxe4 16. fxe5 exd3 17. Qxd3 Bxe5 18. Nf2 Bf5 19. Qb3 Qd6 20. Nd3 Bxd3 21. Qxd3 Ne6 22. b4 Rab8 23. Rad1 Rxf1+ 24. Rxf1 Bf6 25. Nc3 Qe5 26. Ne4 Re8 27. Nxf6 gxf6 28. Bxb7 Qe3+ 29. Qxe3 dxe3 30. Ba6 Nd4 31. Bd3 e2 32. Bxe2 Nxe2+ 33. Kg2 Kg7 34. Rd1 Kf7 35. Kf1 Re7 36. Rd2 Nc3 37. Rc2 Nd5 38. Rc5 Ke6 39. Kf2 Ke5 40. Kf3 f5 0-1

[Event "Pinneberg op Seniors 01st"]
[Site "Pinneberg"]
[Date "2000.07.13"]
[Round "5"]
[White "Mattheus, Ingomar"]
[Black "Heine, Hellmut"]
[Result "1-0"]
[ECO "B72"]
[PlyCount "119"]
[EventDate "2000.06.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. 0-0 d6 9. h3 a6 10. Bb3 Bd7 11. Qd2 b5 12. a3 Na5 13. Ba2 Nc4 14. Bxc4 bxc4 15. f4 e6 16. f5 e5 17. Nde2 Be6 18. fxg6 fxg6 19. Ng3 Qc7 20. Nd5 Bxd5 21. exd5 Qb7 22. Rfd1 Rab8 23. Rab1 Rfc8 24. Ne2 Ne4 25. Qe1 Nf6 26. Nc3 Qd7 27. Qe2 Qf5 28. g4 Qd7 29. Qg2 Rf8 30. Ne4 Nxe4 31. Qxe4 Qc7 32. c3 Rf7 33. Qg2 Rbf8 34. Rf1 Qb7 35. Rxf7 Rxf7 36. Rf1 Rxf1+ 37. Kxf1 Qf7+ 38. Ke2 Qb7 39. Kd1 Qf7 40. Kc1 Kh8 41. Kc2 Qb7 42. Qe4 Qb3+ 43. Kc1 Qa2 44. Qc2 Qa1+ 45. Qb1 Qxb1+ 46. Kxb1 h5 47. Kc2 hxg4 48. hxg4 Kh7 49. b3 cxb3+ 50. Kxb3 Bh6 51. g5 Bg7 52. c4 e4 53. Kb4 Bb2 54. a4 Kg7 55. c5 Kf7 56. c6 Ke7 57. Ka5 Ba3 58. Kb6 Bc5+ 59. Bxc5 dxc5 60. c7 1-0

[Event "Pinneberg op Seniors 01st"]
[Site "Pinneberg"]
[Date "2000.07.06"]
[Round "4"]
[White "Himmelstaub, Werner"]
[Black "Mattheus, Ingomar"]
[Result "1/2-1/2"]
[ECO "B31"]
[PlyCount "104"]
[EventDate "2000.06.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. h3 Bg7 6. Nc3 e5 7. d3 Ne7 8. Bg5 Be6 9. Qd2 h6 10. Be3 Qa5 11. Ne2 Qxd2+ 12. Nxd2 b6 13. a4 0-0 14. 0-0 f5 15. f3 g5 16. g4 fxg4 17. hxg4 Ng6 18. Ng3 Nf4 19. Ra3 Rfd8 20. b3 Kf7 21. Rfa1 Bf8 22. R3a2 Rd7 23. Nc4 Ng6 24. Bf2 b5 25. Ne3 Nf4 26. axb5 cxb5 27. Ra5 Rb7 28. Ra6 Rc7 29. R6a5 c4 30. bxc4 bxc4 31. dxc4 Nh3+ 32. Kg2 Nxf2 33. Kxf2 Bc5 34. Ngf5 Bxf5 35. exf5 Bd4 36. Rh1 Rxc4 37. Ke2 Rc3 38. Nd5 Rxc2+ 39. Kd3 Rc6 40. Rb1 Rd6 41. Rb7+ Kg8 42. Ke4 Rad8 43. f6 R6d7 44. Rxd7 Rxd7 45. Rb5 Kf7 46. Rb8 Bb6 47. Nxb6 axb6 48. Rxb6 Ra7 49. Kxe5 Ra5+ 50. Ke4 Ra4+ 51. Kd3 Rf4 52. Rb8 Rxf6 1/2-1/2

[Event "Pinneberg op Seniors 01st"]
[Site "Pinneberg"]
[Date "2000.06.29"]
[Round "3"]
[White "Mattheus, Ingomar"]
[Black "Runge, Hans"]
[Result "1/2-1/2"]
[ECO "B05"]
[PlyCount "60"]
[EventDate "2000.06.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 Nc6 6. exd6 Qxd6 7. 0-0 0-0-0 8. c4 Nf4 9. d5 Nxe2+ 10. Qxe2 Nd4 11. Qe4 Nxf3+ 12. gxf3 f5 13. Qf4 Qxf4 14. Bxf4 Bxf3 15. Nc3 g5 16. Be5 Rg8 17. Rfe1 h6 18. Bd4 h5 19. Bc5 Rd7 20. Re3 g4 21. Rae1 f4 22. Re6 h4 23. Bxe7 Bxe7 24. Rxe7 Rxe7 25. Rxe7 g3 26. fxg3 fxg3 27. hxg3 Rxg3+ 28. Kf2 Bg4 29. Ne4 Rf3+ 30. Kg1 Kd8 1/2-1/2

[Event "Pinneberg op Seniors 01st"]
[Site "Pinneberg"]
[Date "2000.06.22"]
[Round "2"]
[White "Linke, Harry"]
[Black "Mattheus, Ingomar"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "126"]
[EventDate "2000.06.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. f4 e6 3. Nf3 d5 4. Bb5+ Nc6 5. Bxc6+ bxc6 6. Qe2 Be7 7. 0-0 Qb6 8. d3 Ba6 9. c4 Nf6 10. e5 Nd7 11. Nc3 0-0 12. b3 Rae8 13. Na4 Qc7 14. Ba3 f6 15. Rae1 Qa5 16. exf6 Bxf6 17. Ne5 Bxe5 18. fxe5 d4 19. Bc1 Qc7 20. Bf4 Bc8 21. Rf3 Rf7 22. Qe4 Ref8 23. Ref1 g6 24. h4 Rf5 25. g4 R5f7 26. Kg2 Kh8 27. Bg3 Rxf3 28. Rxf3 Rxf3 29. Kxf3 Kg8 30. Bf4 Kg7 31. g5 Bb7 32. Kg4 Qd8 33. h5 gxh5+ 34. Kxh5 Qe8+ 35. Kg4 Qg6 36. Qxg6+ Kxg6 37. Bg3 Bc8 38. Kf4 Kh5 39. Be1 Kg6 40. Ba5 Kh5 41. Bc7 Nf8 42. Nxc5 Ng6+ 43. Ke4 Kxg5 44. Bd8+ Kg4 45. Kxd4 h5 46. b4 h4 47. Bxh4 Kxh4 48. a4 Kg4 49. Ke4 a6 50. b5 cxb5 51. cxb5 axb5 52. axb5 Nf8 53. b6 Nd7 54. Nxd7 Bxd7 55. Kd4 Bc8 56. Kc5 Kf4 57. Kd6 Ke3 58. Kc7 Ba6 59. Kd6 Bc8 60. Kc7 Ba6 61. b7 Bxb7 62. Kxb7 Kd4 63. Kc6 Kxe5 1/2-1/2

[Event "Pinneberg op Seniors 01st"]
[Site "Pinneberg"]
[Date "2000.06.15"]
[Round "1"]
[White "Mattheus, Ingomar"]
[Black "Dammann, Rudolf"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "63"]
[EventDate "2000.06.15"]
[EventType "swiss"]
[EventRounds "5"]
[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 Bc5 4. 0-0 d6 5. c3 a6 6. d4 exd4 7. cxd4 Ba7 8. Nc3 Bg4 9. Be3 Nf6 10. Be2 0-0 11. d5 Ne5 12. Nxe5 Bxe2 13. Qxe2 dxe5 14. Bxa7 Rxa7 15. Rfd1 Qd6 16. Rac1 b5 17. Kh1 g6 18. Nb1 Nh5 19. Rc6 Qe7 20. Nd2 Nf4 21. Qe3 Rb7 22. g3 Nh3 23. Nf3 f5 24. exf5 Rxf5 25. Re6 Nxf2+ 26. Qxf2 Qf8 27. Kg2 Rb6 28. Rxb6 cxb6 29. Qe3 Qb4 30. d6 Qxb2+ 31. Rd2 Qb4 32. d7 1-0

[Event "EU-ch M1163 corr"]
[Site "ICCF corr"]
[Date "2000.??.??"]
[Round "?"]
[White "Behling, Helmut"]
[Black "Mattheus, Ingomar"]
[Result "1/2-1/2"]
[ECO "B31"]
[PlyCount "98"]
[EventDate "2000.??.??"]
[EventType "tourn (corr)"]
[EventRounds "5"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 Qb6 6. a4 cxd4 7. 0-0 d3 8. Be3 Qc7 9. Bxd3 Nf6 10. Na3 0-0 11. Nb5 Qb8 12. Bg5 d6 13. h3 a6 14. Nbd4 Qc7 15. Nxc6 bxc6 16. Qe2 h6 17. Bd2 e5 18. c4 c5 19. Bc2 Rb8 20. Bc3 Bb7 21. Rad1 Bc6 22. Rfe1 Rfd8 23. b3 Qb7 24. Ba5 Rd7 25. Qe3 Nh5 26. g3 Kh7 27. Nh2 Nf6 28. Nf3 Ne8 29. Re2 f5 30. Nd2 Rf7 31. exf5 gxf5 32. g4 e4 33. Bc3 Bxc3 34. Qxc3 Nf6 35. f3 Kg8 36. Rf1 d5 37. fxe4 d4 38. Qg3 Bxe4 39. Nxe4 fxe4 40. Ref2 Rbf8 41. Qd6 d3 42. Bxd3 exd3 43. Rxf6 Rxf6 44. Rxf6 Rxf6 45. Qxf6 Qe4 46. Qf2 Qe5 47. Kg2 Qc3 48. Qxc5 Qc2+ 49. Kf3 Qe2+ 1/2-1/2

[Event "EU-ch M1163 corr"]
[Site "ICCF corr"]
[Date "2000.??.??"]
[Round "?"]
[White "Gatto, Claudio"]
[Black "Mattheus, Ingomar"]
[Result "0-1"]
[ECO "E41"]
[PlyCount "62"]
[EventDate "2000.??.??"]
[EventType "tourn (corr)"]
[EventRounds "5"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. 0-0 e5 9. Ng5 0-0 10. f4 exd4 11. cxd4 cxd4 12. exd4 h6 13. Nf3 Bg4 14. d5 Nd4 15. Bb2 Nxf3+ 16. gxf3 Bh3 17. Rf2 Nh5 18. Qd2 Qh4 19. Kh1 Nxf4 20. Rg1 f6 21. Bb1 Rf7 22. Qc2 Kh8 23. Ba3 Rd8 24. c5 g5 25. cxd6 Bd7 26. Rd2 Re8 27. Qd1 b6 28. Bc2 Re3 29. Bb3 Qh3 30. Rf2 Qf5 31. Bc1 Rd3 0-1

[Event "EU-ch M1163 corr"]
[Site "ICCF corr"]
[Date "2000.??.??"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "MacDonald, David G"]
[Result "1-0"]
[ECO "C18"]
[PlyCount "69"]
[EventDate "2000.??.??"]
[EventType "tourn (corr)"]
[EventRounds "5"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Qg4 f5 8. Qg3 cxd4 9. cxd4 Ne7 10. Bd2 0-0 11. Bd3 b6 12. Ne2 Ba6 13. Bb4 Bxd3 14. cxd3 Nbc6 15. Bd6 Qd7 16. 0-0 Rf7 17. Rfc1 f4 18. Qg4 Nf5 19. Nxf4 Nfxd4 20. Ra2 Rc8 21. Ne2 Nf5 22. Rac2 Qb7 23. Rc3 b5 24. Nf4 Qd7 25. Nxe6 Nxd6 26. exd6 Re8 27. Rxc6 Rxe6 28. Rc8+ Rf8 29. Rxf8+ Kxf8 30. Qf5+ Kg8 31. Qxd5 Qxd6 32. Rc8+ Kf7 33. Qf5+ Rf6 34. Qh5+ Rg6 35. Qxb5 1-0

[Event "EU-ch M1163 corr"]
[Site "ICCF corr"]
[Date "2000.??.??"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "Potterat, Marc"]
[Result "1/2-1/2"]
[ECO "B90"]
[PlyCount "74"]
[EventDate "2000.??.??"]
[EventType "tourn (corr)"]
[EventRounds "5"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Qd2 h5 11. h4 gxh4 12. Bxh4 Nc6 13. Nb3 Be6 14. f3 Bh6 15. Bg5 Bxg5 16. Qxg5 Nf6 17. Qe3 Rc8 18. g4 Bxb3 19. axb3 d5 20. 0-0-0 d4 21. Qf4 Qc7 22. Qxc7 Rxc7 23. Nd5 Nxd5 24. exd5 Nb4 25. Rxd4 Nxc2 26. Rc4 Rxc4 27. bxc4 Ne3 28. Bd3 Ng2 29. Rxh5 Rxh5 30. gxh5 Nf4 31. Bf5 Nxh5 32. Bc8 b5 33. Bxa6 bxc4 34. Bxc4 Kd7 35. Kd2 Kd6 36. Ke3 Nf6 37. Kd4 Nd7 1/2-1/2

[Event "Wichern op 5th"]
[Site "Hamburg"]
[Date "1999.10.21"]
[Round "8"]
[White "Richter, Thomas"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1822"]
[BlackElo "1967"]
[PlyCount "63"]
[EventDate "1999.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. b3 e6 3. Bb2 d5 4. exd5 exd5 5. Bb5+ Nc6 6. Qe2+ Be6 7. Nf3 a6 8. Bxc6+ bxc6 9. d3 Nf6 10. Nbd2 Bd6 11. Ne5 Qc7 12. f4 0-0 13. 0-0 Rae8 14. Qf3 Nd7 15. Nxd7 Bxd7 16. Qg3 f6 17. Qh4 Re2 18. Rad1 Bf5 19. Qh5 Rxd2 20. Rxd2 Bxf4 21. Re2 g6 22. Qh4 g5 23. Qh5 Qd7 24. h3 d4 25. Bc1 Be5 26. Bxg5 Bg6 27. Qf3 Qf7 28. Qxc6 Qe7 29. Bf4 Bh5 30. g4 Bf7 31. Bxe5 fxe5 32. Qf6 1-0

[Event "Wichern op 5th"]
[Site "Hamburg"]
[Date "1999.10.20"]
[Round "7"]
[White "Mattheus, Ingomar"]
[Black "Schwarz, Klaus"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "1967"]
[BlackElo "1720"]
[PlyCount "95"]
[EventDate "1999.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Bg5 Be7 6. Bxf6 Bxf6 7. Nf3 Nd7 8. Bd3 0-0 9. 0-0 Be7 10. c3 Nf6 11. Qc2 g6 12. Rad1 Nd5 13. Rfe1 Kg7 14. a3 c6 15. c4 Nf6 16. b4 Qc7 17. Nc3 a6 18. c5 Nd5 19. Ne4 Re8 20. Qb2 Bd7 21. Ne5 f5 22. Nd2 Kg8 23. Ndf3 Rad8 24. Qd2 Bc8 25. Ng5 Bxg5 26. Qxg5 Qe7 27. Qd2 Qg7 28. Bb1 Kf8 29. Nc4 Re7 30. Re5 Nf6 31. h3 Ne8 32. Qe2 Rd5 33. Nb6 Rxe5 34. dxe5 Rc7 35. Rd8 Qh6 36. Ba2 Qc1+ 37. Kh2 Qxa3 38. Rxc8 Rxc8 39. Nxc8 Qxb4 40. Qc4 Qxc4 41. Bxc4 Nc7 42. Nd6 a5 43. Nxb7 a4 44. Nd8 Ke7 45. Nxc6+ Kd7 46. Nd4 a3 47. c6+ Ke7 48. Nc2 1-0

[Event "Wichern op 5th"]
[Site "Hamburg"]
[Date "1999.10.19"]
[Round "6"]
[White "Koenig, Michael Juergen"]
[Black "Mattheus, Ingomar"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1783"]
[BlackElo "1967"]
[PlyCount "10"]
[EventDate "1999.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 0-1

[Event "Wichern op 5th"]
[Site "Hamburg"]
[Date "1999.10.18"]
[Round "5"]
[White "Mattheus, Ingomar"]
[Black "Topp, Michael"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1967"]
[BlackElo "1772"]
[PlyCount "72"]
[EventDate "1999.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. h3 c6 7. 0-0 Nbd7 8. a4 a5 9. Be3 e5 10. Qd2 Re8 11. dxe5 dxe5 12. Rad1 Qc7 13. Rfe1 Bf8 14. Bf1 Nc5 15. Bg5 Nfd7 16. Bc4 Ne6 17. Bh6 Bb4 18. Ng5 Ndc5 19. Nxe6 Bxe6 20. Bxe6 Nxe6 21. Re3 Rad8 22. Qc1 Bc5 23. Red3 Rxd3 24. Rxd3 Qb6 25. Be3 Bxe3 26. Rxe3 Rd8 27. Re1 Qb4 28. Kh2 Qd4 29. f3 Qb4 30. Re2 Rd4 31. Re1 Nc5 32. Ne2 Rd2 33. b3 Ne6 34. c3 Qd6 35. Ng3 Nf4 36. Rg1 Qd3 0-1

[Event "Wichern op 5th"]
[Site "Hamburg"]
[Date "1999.10.17"]
[Round "4"]
[White "Fliter, Irena"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "1824"]
[BlackElo "1967"]
[PlyCount "87"]
[EventDate "1999.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 Qa5 9. 0-0 d6 10. h3 Bd7 11. Qd3 Rac8 12. Rfe1 a6 13. Nd5 Nxd5 14. exd5 Ne5 15. Qe2 b5 16. a4 bxa4 17. f4 Bb5 18. Nxb5 Qxb5 19. Rxa4 Nd7 20. Rxa6 Qxe2 21. Rxe2 Bxb2 22. Ra7 Nc5 23. Bxc5 dxc5 24. Raxe7 c4 25. Ba4 Bf6 26. R7e4 Rcd8 27. Rd2 c3 28. Rd1 Rd6 29. Bc6 Kg7 30. Rb1 Kg8 31. g3 Kg7 32. Kf1 h6 33. Ke2 Rfd8 34. Rb7 Kf8 35. Ra4 Kg7 36. Raa7 Rf8 37. Kd3 Kg8 38. Kc4 h5 39. g4 hxg4 40. hxg4 g5 41. fxg5 Bxg5 42. Kxc3 Be3 43. Ra1 Rc8 44. Kb4 1-0

[Event "Wichern op 5th"]
[Site "Hamburg"]
[Date "1999.10.17"]
[Round "3"]
[White "Mattheus, Ingomar"]
[Black "Koehnke, Martin"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1967"]
[BlackElo "1780"]
[PlyCount "76"]
[EventDate "1999.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Bc4 c6 6. Nge2 Bf5 7. Bf4 Qd8 8. Qd2 e6 9. 0-0-0 b5 10. Bd3 Bxd3 11. Qxd3 Be7 12. f3 Nbd7 13. g4 Qa5 14. Kb1 Nb6 15. Ne4 Nxe4 16. fxe4 Nc4 17. Bc1 0-0 18. h4 Rfd8 19. g5 Rd7 20. Qb3 Rad8 21. Rh3 Qb4 22. Qxb4 Bxb4 23. Rhd3 Nb6 24. Be3 Nc8 25. Bf2 a6 26. Ng3 Ne7 27. Nf1 Ng6 28. Bg3 Bd6 29. e5 Bf8 30. Ne3 Ne7 31. b3 Nd5 32. Nxd5 Rxd5 33. c4 R5d7 34. Kc2 Bb4 35. Bf2 g6 36. Be3 Kg7 37. Bc1 Be7 38. Be3 Bb4 1/2-1/2

[Event "Wichern op 5th"]
[Site "Hamburg"]
[Date "1999.10.16"]
[Round "2"]
[White "Bekker Jensen, Anders"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "E41"]
[WhiteElo "1647"]
[BlackElo "1967"]
[PlyCount "111"]
[EventDate "1999.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nge2 0-0 7. 0-0 d6 8. dxc5 dxc5 9. a3 Ba5 10. Qc2 Ne5 11. Rd1 Nxd3 12. Rxd3 Qe7 13. b3 Bd7 14. Bb2 Bc6 15. f3 Rad8 16. Rad1 Rxd3 17. Rxd3 Rd8 18. Ng3 Bc7 19. Nce2 Nd7 20. Qd2 f6 21. Kf2 a6 22. Nc3 b5 23. Nce2 bxc4 24. bxc4 Nb6 25. Rxd8+ Qxd8 26. Qc2 Ba4 27. Qc1 Qd3 28. Ne4 Nd7 29. Qc3 Bc2 30. Nc1 Qxc3 31. Bxc3 h6 32. h3 f5 33. Nd2 e5 34. e4 g6 35. Ke3 Kf7 36. Ndb3 Ke6 37. exf5+ gxf5 38. g4 f4+ 39. Ke2 Kd6 40. Nd2 Nb6 41. Nd3 Bxd3+ 42. Kxd3 Na4 43. Ne4+ Kc6 44. Nf6 Bd6 45. Ba1 Nb6 46. h4 Nd7 47. Nxd7 Kxd7 48. Ke4 Ke6 49. g5 hxg5 50. hxg5 Be7 51. Bxe5 Bxg5 52. Bxf4 Bf6 53. Be3 Be7 54. f4 Bf8 55. f5+ Kf6 56. Bf4 1-0

[Event "Wichern op 5th"]
[Site "Hamburg"]
[Date "1999.10.15"]
[Round "1.48"]
[White "Mattheus, Ingomar"]
[Black "Hoi, Carsten"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1967"]
[BlackElo "2394"]
[PlyCount "72"]
[EventDate "1999.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. Be2 0-0 6. 0-0 Bg4 7. Be3 Nc6 8. Ng5 Bxe2 9. Qxe2 e5 10. dxe5 Nxe5 11. h3 Qe7 12. f4 Nc6 13. Nd5 Nxd5 14. exd5 Nd4 15. Qf2 Nxc2 16. Qxc2 Qxe3+ 17. Kh1 Qc5 18. Qd2 Qd4 19. Qxd4 Bxd4 20. Rac1 Bb6 21. Ne4 Kg7 22. Nc3 Rfe8 23. Rc2 Re7 24. f5 f6 25. fxg6 hxg6 26. Na4 Be3 27. Nc3 a6 28. Nd1 Bb6 29. Nf2 Rae8 30. Nd3 g5 31. Kh2 Re2 32. Rfc1 R8e3 33. Rxe2 Rxe2 34. Rd1 f5 35. Kh1 Kf6 36. a3 Re4 0-1

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "1999.10.07"]
[Round "7"]
[White "Leib, Britta"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2035"]
[PlyCount "157"]
[EventDate "1999.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. c4 a6 10. Nc3 Be7 11. Bd3 Nd7 12. 0-0 0-0 13. Kh1 f5 14. f4 e4 15. Be2 Bf6 16. Be3 Qc7 17. Rc1 b6 18. b4 Rb8 19. Qd2 Bb7 20. Rfd1 Rfc8 21. Na4 Qd8 22. c5 bxc5 23. bxc5 Nxc5 24. Nxc5 dxc5 25. Bxc5 Qd7 26. d6 Kh8 27. Qe3 Bd8 28. Bd4 Rxc1 29. Rxc1 Rc8 30. Be5 h6 31. h3 Rxc1+ 32. Qxc1 Kh7 33. Qc5 Qc8 34. Qc4 Qxc4 35. Bxc4 g5 36. Kg1 Kg6 37. Kf1 gxf4 38. Bxf4 h5 39. g3 Kf6 40. Ke2 Bc8 41. h4 Kg7 42. Be3 Kf8 43. Bd4 Ke8 44. Ke3 Kd7 45. Be5 Bb6+ 46. Kf4 Kc6 47. Bf7 Bc5 48. Bxh5 Bxd6 49. Bxd6 Kxd6 50. Be2 Ke7 51. Ke5 Kf7 52. Bc4+ Kg6 53. Be2 Bb7 54. a4 Bc6 55. a5 Bb5 56. Bxb5 axb5 57. Kd4 b4 58. a6 b3 59. a7 b2 60. a8Q b1Q 61. Qg8+ Kf6 62. Qg5+ Ke6 63. Qg6+ Ke7 64. Ke5 Qb5+ 65. Kf4 Qf1+ 66. Kg5 e3 67. Qf6+ Kd7 68. Qd4+ Kc6 69. Qxe3 Qb5 70. Qe6+ Kc7 71. h5 f4+ 72. Kxf4 Qxh5 73. Qe5+ Qxe5+ 74. Kxe5 Kd7 75. Kf6 Ke8 76. g4 Kf8 77. g5 Kg8 78. Kg6 Kf8 79. Kh7 1-0

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "1999.09.30"]
[Round "6"]
[White "Mattheus, Ingomar"]
[Black "Runge, Hans"]
[Result "1-0"]
[ECO "B04"]
[PlyCount "71"]
[EventDate "1999.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bf5 5. c4 Nb6 6. Bd3 Bg4 7. exd6 exd6 8. 0-0 Nc6 9. Re1+ Be7 10. Bg5 f6 11. Be3 Qd7 12. Nc3 0-0-0 13. a4 d5 14. a5 Nxc4 15. a6 b6 16. Qe2 Nb4 17. Nxd5 Qxd5 18. Bxc4 Qh5 19. Bf4 Rhe8 20. Be6+ Bxe6 21. Qxe6+ Kb8 22. Qc4 Rd7 23. Rxe7 Rdxe7 24. Qxb4 g5 25. Qb5 Qg4 26. Be3 h5 27. Qc6 Qc8 28. Qxf6 g4 29. Ne5 Re6 30. Qf5 b5 31. Nd3 Qd8 32. Nc5 R6e7 33. g3 Rf8 34. Nd7+ Qxd7 35. Qxf8+ Re8 36. Qc5 1-0

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "1999.09.23"]
[Round "5"]
[White "Zuehlke, Olaf"]
[Black "Mattheus, Ingomar"]
[Result "1/2-1/2"]
[ECO "A03"]
[PlyCount "51"]
[EventDate "1999.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 g6 3. e3 Bg7 4. d4 Nf6 5. Bd3 0-0 6. 0-0 c5 7. c3 cxd4 8. exd4 Nc6 9. Nbd2 Qc7 10. Ne5 Nd7 11. Ndf3 Ndxe5 12. fxe5 f6 13. exf6 Rxf6 14. Bg5 Rf7 15. Qb3 Be6 16. Rae1 Qd7 17. Re3 Raf8 18. h3 Bf5 19. Bxf5 Rxf5 20. Ree1 e5 21. dxe5 Nxe5 22. Nxe5 Rxf1+ 23. Rxf1 Rxf1+ 24. Kxf1 Bxe5 25. Qc2 d4 26. cxd4 1/2-1/2

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "1999.09.16"]
[Round "4"]
[White "Mattheus, Ingomar"]
[Black "Schmidt, Roland"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "65"]
[EventDate "1999.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 c6 4. d4 cxd5 5. Nc3 e6 6. c5 b6 7. b4 a5 8. Bb5+ Bd7 9. Qa4 Qc7 10. Nf3 Be7 11. Ne5 0-0 12. 0-0 Be8 13. Bxe8 Nxe8 14. Bf4 Qd8 15. Nb5 f6 16. Nd3 Nc6 17. bxa5 Rxa5 18. Qb3 e5 19. Bd2 e4 20. Nf4 Rxb5 21. Qxb5 Nxd4 22. Qxb6 Qd7 23. Be3 Nc6 24. Rfd1 Nc7 25. Qb3 Rb8 26. Qc2 Ne5 27. Rab1 Rxb1 28. Qxb1 g5 29. Ne2 Qg4 30. Ng3 Kf7 31. h3 Qh4 32. Qb7 Ne6 33. Nf5 1-0

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "1999.09.09"]
[Round "3"]
[White "Stortz, Marcus"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "D41"]
[PlyCount "63"]
[EventDate "1999.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Qa5 10. Bc4 0-0 11. 0-0 Bxd2 12. Nxd2 Nc6 13. Nb3 Qb4 14. Qe2 b6 15. f4 Bd7 16. Rad1 Rac8 17. d5 exd5 18. Bxd5 Kh8 19. e5 Ne7 20. Be4 Bb5 21. Bd3 Bxd3 22. Rxd3 Rfd8 23. Rfd1 Rxd3 24. Rxd3 Nc6 25. f5 Re8 26. e6 fxe6 27. fxe6 Qe7 28. Re3 h6 29. h3 Qd6 30. Qg4 Re7 31. Qf5 Nd8 32. Rd3 1-0

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "1999.09.02"]
[Round "2"]
[White "Mattheus, Ingomar"]
[Black "Josuttis, Volker"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "98"]
[EventDate "1999.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 b6 2. d4 e6 3. Bd3 Bb7 4. Nf3 Nf6 5. Bg5 h6 6. Bxf6 gxf6 7. Nbd2 Rg8 8. Rg1 Qe7 9. c3 a5 10. Qe2 c6 11. 0-0-0 b5 12. Kb1 Na6 13. Rde1 Nc7 14. g3 Bg7 15. Nh4 a4 16. f4 Ba6 17. Qe3 Rb8 18. d5 c5 19. a3 b4 20. cxb4 cxb4 21. Bxa6 bxa3 22. Nc4 Qb4 23. Qxa3 Bf8 24. Qxb4 Bxb4 25. Re2 Nxa6 26. Rd1 Kf8 27. Rc2 Kg7 28. dxe6 dxe6 29. Ng2 Rb7 30. Nge3 Rgb8 31. Nd6 Bxd6 32. Rxd6 Rb6 33. Rxb6 Rxb6 34. Nc4 Rb8 35. Na3 Nb4 36. Rd2 Kg6 37. Rd4 f5 38. e5 h5 39. Nc2 Nxc2 40. Kxc2 Ra8 41. Kb1 h4 42. Ka2 Kh5 43. gxh4 Kxh4 44. Ka3 Kg4 45. Rc4 Kf3 46. Rd4 Ke3 47. Rb4 Kf3 48. Rc4 Ke3 49. h4 Rh8 1/2-1/2

[Event "Pinneberg-ch op"]
[Site "Pinneberg"]
[Date "1999.08.26"]
[Round "1"]
[White "Petersen, Christoph"]
[Black "Mattheus, Ingomar"]
[Result "0-1"]
[ECO "B32"]
[PlyCount "98"]
[EventDate "1999.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bd3 a6 8. Na3 b5 9. Nd5 Be7 10. c3 Be6 11. Nxe7 Nxe7 12. Nc2 d5 13. exd5 Nexd5 14. Bg5 Qc7 15. Qf3 0-0 16. 0-0 Rfe8 17. Ne3 h6 18. Bh4 g5 19. Bg3 Nf4 20. Rfe1 g4 21. Qd1 Rad8 22. Bxf4 exf4 23. Nc2 Qc5 24. Nd4 Bc8 25. Qc2 Qg5 26. Nc6 Rd6 27. Rxe8+ Nxe8 28. Re1 Re6 29. Qd2 Nd6 30. Rxe6 Bxe6 31. b3 Bd5 32. Nd4 Bxg2 33. Ne2 Be4 34. Bxe4 Nxe4 35. Qd4 Qf5 36. c4 f3 37. Nc1 Ng5 38. Qd3 Qe5 39. Qe3 Nh3+ 40. Kh1 Qb2 41. Nd3 Qa1+ 42. Ne1 bxc4 43. bxc4 Qb2 44. Nd3 Qa1+ 45. Ne1 Nf4 46. h4 Ng2 47. Qxh6 Qxe1+ 48. Kh2 Qe5+ 49. Kg1 Nf4 0-1

[Event "corr"]
[Site "corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "Duppel, Matthias"]
[Result "1-0"]
[ECO "C18"]
[PlyCount "53"]
[EventDate "1998.??.??"]
[EventType "swiss (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 dxc3 12. Qd3 Bd7 13. Nxc3 a6 14. Rb1 Na5 15. h4 Nf5 16. Rh3 0-0-0 17. h5 Nc4 18. Rb4 Bc6 19. Ne2 Bb5 20. a4 Qc5 21. Ba3 Bc6 22. Qc3 Qa7 23. a5 Rg4 24. Bc1 Qc5 25. Bd2 Bb5 26. h6 Rh8 27. Rb3 1-0

[Event "corr"]
[Site "corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "Kitt, Michael"]
[Result "1-0"]
[ECO "C70"]
[PlyCount "53"]
[EventDate "1998.??.??"]
[EventType "swiss (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. 0-0 d6 7. d4 exd4 8. Nxd4 Bb7 9. c4 c5 10. Nf3 Nf6 11. Nc3 Nxb3 12. Qxb3 Nxe4 13. Nxe4 Bxe4 14. Re1 f5 15. Ng5 Be7 16. Qg3 g6 17. Bf4 0-0 18. Ne6 Qd7 19. Nxf8 Bxf8 20. b3 bxc4 21. bxc4 d5 22. cxd5 Qxd5 23. Red1 Qc6 24. f3 Bd5 25. Be5 Re8 26. Qf4 c4 27. Bc3 1-0

[Event "corr"]
[Site "corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "Noll, Paul"]
[Result "1/2-1/2"]
[ECO "B42"]
[PlyCount "66"]
[EventDate "1998.??.??"]
[EventType "swiss (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 Qc7 7. c4 d6 8. Nc3 g6 9. Be3 Bg7 10. Rc1 0-0 11. Qd2 Ng4 12. Be2 Nxe3 13. Qxe3 b6 14. Rfd1 Bb7 15. Nf3 Rd8 16. Qf4 Bf8 17. h4 Nd7 18. h5 Ne5 19. hxg6 Nxf3+ 20. Bxf3 hxg6 21. b3 Rac8 22. Na4 Bc6 23. Nc3 Qb8 24. Rd3 Bg7 25. a4 Be5 26. Qg5 Kg7 27. g3 b5 28. cxb5 axb5 29. axb5 Bxb5 30. Nxb5 Qxb5 31. Rxc8 Rxc8 32. Qe3 Qb4 33. Bd1 Rc3 1/2-1/2

[Event "corr"]
[Site "corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Muenster, Erich"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "D41"]
[PlyCount "67"]
[EventDate "1998.??.??"]
[EventType "swiss (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Nc6 9. Bc4 b5 10. Be2 Bb4+ 11. Bd2 Qa5 12. d5 exd5 13. exd5 Ne7 14. 0-0 Bxd2 15. Nxd2 0-0 16. Nb3 Qd8 17. Bf3 Nf5 18. Rc1 Nd6 19. Qd4 Re8 20. Qc5 Bb7 21. Nd4 a6 22. Nc6 Qd7 23. h3 Rac8 24. Rfe1 Rxe1+ 25. Rxe1 Re8 26. Rxe8+ Nxe8 27. Ne7+ Kh8 28. Nf5 Kg8 29. Bg4 Qd8 30. d6 g6 31. Ne7+ Kg7 32. d7 Nc7 33. Nc8 f5 34. Qe5+ 1-0

[Event "corr"]
[Site "corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Schorra, Helmut"]
[Black "Mattheus, Ingomar"]
[Result "1/2-1/2"]
[ECO "E42"]
[PlyCount "75"]
[EventDate "1998.??.??"]
[EventType "swiss (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 cxd4 6. exd4 d5 7. c5 Ne4 8. Bd2 Nxd2 9. Qxd2 a5 10. a3 Bxc3 11. Nxc3 a4 12. Bd3 b6 13. cxb6 Qxb6 14. Bc2 Bd7 15. 0-0 0-0 16. Rfe1 Bc6 17. h3 Nd7 18. Rab1 Rfc8 19. Qd1 Qa7 20. Qh5 Nf8 21. Qg4 Bd7 22. Red1 Rab8 23. Rd2 Ng6 24. g3 Rc4 25. Qd1 Ra8 26. Ne2 Rac8 27. Bd3 R4c7 28. Kg2 Rb7 29. Rc2 Rcb8 30. Rd2 Qb6 31. h4 Ne7 32. Nc3 Ra8 33. Bc2 Qa6 34. Rc1 h6 35. Bb1 Rab8 36. Rcc2 Nc6 37. Rc1 Ne7 38. Rcc2 1/2-1/2

[Event "corr"]
[Site "corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Zerfass, Hans Werner"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "63"]
[EventDate "1998.??.??"]
[EventType "swiss (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bd3 Be6 12. Qh5 Rg8 13. g3 Rg4 14. f4 exf4 15. Nxf4 Rxf4 16. gxf4 Qa5+ 17. Kd1 Qb4 18. exf5 Bd5 19. Re1+ Kd7 20. f6 Qd4 21. Nb1 Nb4 22. Nd2 Nxd3 23. cxd3 Rc8 24. Qf5+ Be6 25. Rxe6 fxe6 26. Qxh7+ Kd8 27. Qf7 Qg1+ 28. Ke2 Qxh2+ 29. Ke3 Qh6 30. Nf3 e5 31. Ng5 exf4+ 32. Kd4 1-0

[Event "Wichern op 4th"]
[Site "Hamburg"]
[Date "1997.??.??"]
[Round "2"]
[White "Fridman, Daniel"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2480"]
[PlyCount "48"]
[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. Nf3 d5 2. c4 d4 3. b4 g6 4. e3 dxe3 5. fxe3 Bg7 6. d4 Nf6 7. Nc3 0-0 8. Be2 Bg4 9. 0-0 c6 10. h3 Bxf3 11. Bxf3 Nbd7 12. b5 cxb5 13. Nxb5 a6 14. Nc3 Qc7 15. c5 Rab8 16. Bd2 e5 17. Be1 exd4 18. exd4 Rfd8 19. Qa4 Nf8 20. Ne2 Qd7 21. Qxd7 Rxd7 22. Bg3 Rc8 23. Rab1 Re8 24. Bxb7 Rxb7 1-0

[Event "Wichern op 4th"]
[Site "Hamburg"]
[Date "1997.??.??"]
[Round "5"]
[White "Harms, Peter"]
[Black "Mattheus, Ingomar"]
[Result "0-1"]
[ECO "A09"]
[PlyCount "102"]
[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 d5 2. c4 d4 3. b4 g6 4. d3 Bg7 5. g3 e5 6. Nbd2 Ne7 7. Bg2 0-0 8. Qb3 Nd7 9. e3 dxe3 10. fxe3 e4 11. Nd4 c5 12. Nc2 exd3 13. Qxd3 Bxa1 14. Nxa1 Ne5 15. Qc3 Nd3+ 16. Ke2 Nxc1+ 17. Rxc1 cxb4 18. Qxb4 Nc6 19. Bxc6 bxc6 20. Rf1 Bg4+ 21. Nf3 Rb8 22. Qc3 Qe7 23. Nc2 Qe4 24. Ncd4 Rfe8 25. Nb3 Rbd8 26. Nbd2 Qe5 27. Qa3 Rd7 28. h3 Bxf3+ 29. Rxf3 Qd6 30. Qxd6 Rxd6 31. Nb3 Kg7 32. g4 h6 33. Nc5 Red8 34. Ne4 Re6 35. Nc5 Re5 36. Nb3 a5 37. Nd2 Rb8 38. Kd3 Rb2 39. a3 Ra2 40. Kd4 Re6 41. Ne4 Rxa3 42. Nc5 Rf6 43. Rxf6 Kxf6 44. Nd7+ Ke6 45. Nc5+ Kd6 46. h4 a4 47. e4 Ra1 48. e5+ Ke7 49. Kc3 a3 50. Kb3 a2 51. Kb2 Rc1 0-1

[Event "Wichern op 4th"]
[Site "Hamburg"]
[Date "1997.??.??"]
[Round "8"]
[White "Hawellek, Jeronimo"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2195"]
[PlyCount "73"]
[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. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Bc4 Nb6 7. Bb3 Bf5 8. Qf3 e6 9. Ne2 Nc6 10. Qg3 dxe5 11. dxe5 Qd3 12. f4 0-0-0 13. Qxd3 Bxd3 14. Nbc3 Bb4 15. Kf2 Bc5+ 16. Be3 Bxe3+ 17. Kxe3 Kc7 18. Rhd1 Bxe2 19. Kxe2 a6 20. Rac1 Rxd1 21. Rxd1 Rd8 22. Rxd8 Kxd8 23. Ne4 Nd4+ 24. Ke3 Nxb3 25. axb3 Nc8 26. Ng5 Ke7 27. Nxh7 f6 28. exf6+ gxf6 29. g4 Nd6 30. g5 Nf5+ 31. Ke4 fxg5 32. Nxg5 Kd6 33. b4 b6 34. Nf3 a5 35. Nd4 Ng7 36. bxa5 bxa5 37. f5 1-0

[Event "Wichern op 4th"]
[Site "Hamburg"]
[Date "1997.??.??"]
[Round "3"]
[White "Kuehn, Stefan"]
[Black "Mattheus, Ingomar"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2295"]
[PlyCount "110"]
[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. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 0-0 12. Nc2 Rb8 13. Bd3 Bg5 14. h4 Bh6 15. Nce3 Bxe3 16. Nxe3 Be6 17. Bc2 Ne7 18. Bb3 Qd7 19. 0-0 f5 20. exf5 Nxf5 21. Nxf5 Rxf5 22. Qd3 Rbf8 23. Rad1 Bxb3 24. axb3 Qf7 25. Qd5 Qxd5 26. Rxd5 R5f6 27. Rd2 e4 28. Re1 d5 29. Ree2 Rf5 30. Rd4 Re5 31. Red2 Rff5 32. Rd1 e3 33. f3 h6 34. Re1 Rf7 35. Rd3 Rfe7 36. f4 Re4 37. g3 g5 38. hxg5 hxg5 39. fxg5 R4e5 40. Re2 Kg7 41. Kg2 Kg6 42. Kf3 Rf5+ 43. Kg2 Rfe5 44. Rd4 Kxg5 45. Kf3 R7e6 46. Rf4 Re8 47. b4 R8e7 48. g4 Rh7 49. Rf5+ Rxf5+ 50. gxf5 Rh3+ 51. Kg2 Kg4 52. f6 Rg3+ 53. Kh2 Rh3+ 54. Kg2 Rg3+ 55. Kh2 Rh3+ 1/2-1/2

[Event "Wichern op 4th"]
[Site "Hamburg"]
[Date "1997.??.??"]
[Round "1"]
[White "Mattheus, Ingomar"]
[Black "Bohn, Christoph"]
[Result "1-0"]
[ECO "D40"]
[PlyCount "51"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Nf3 Be7 8. Be2 0-0 9. 0-0 dxc4 10. Bxc4 Nb4 11. Qb3 a5 12. a3 Nbd5 13. Rfd1 b6 14. Bxf6 Nxf6 15. d5 Qc7 16. d6 a4 17. Qb4 Bxd6 18. Rxd6 Bb7 19. Nd4 Rfc8 20. Be2 Nd5 21. Nxd5 Bxd5 22. Rxb6 Qf4 23. Nf3 Qf5 24. Qd4 Rc2 25. Bd3 Re8 26. Re1 1-0

[Event "Wichern op 4th"]
[Site "Hamburg"]
[Date "1997.??.??"]
[Round "7"]
[White "Mattheus, Ingomar"]
[Black "Bohnstorff, Michael"]
[Result "1/2-1/2"]
[ECO "B06"]
[BlackElo "2165"]
[PlyCount "54"]
[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 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Bg4 5. Be2 Nd7 6. Be3 a6 7. 0-0 e6 8. Qd2 Ne7 9. Rad1 0-0 10. Bh6 d5 11. Bxg7 Kxg7 12. Ne5 Bxe2 13. Qxe2 f6 14. Nf3 c6 15. Rfe1 Ng8 16. Qd2 Re8 17. Re2 Nf8 18. Rde1 Re7 19. Na4 Qc7 20. Nc5 b6 21. Nd3 Rae8 22. exd5 exd5 23. Rxe7+ Rxe7 24. Rxe7+ Nxe7 25. Nf4 Nf5 26. h3 Nd6 27. b3 Kf7 1/2-1/2

[Event "Wichern op 4th"]
[Site "Hamburg"]
[Date "1997.??.??"]
[Round "9"]
[White "Mattheus, Ingomar"]
[Black "Fahimi, Mustafa"]
[Result "1/2-1/2"]
[ECO "B14"]
[BlackElo "2215"]
[PlyCount "78"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Nf3 Be7 8. c5 0-0 9. Bb5 Ne4 10. Bxe7 Nxe7 11. Qc2 f5 12. 0-0 b6 13. cxb6 Qxb6 14. Ba4 Ba6 15. Rfd1 Rfc8 16. Ne5 Rc7 17. f3 Nxc3 18. bxc3 Qa5 19. Rac1 Bb5 20. Bxb5 Qxb5 21. Qd3 Qa5 22. Rc2 Rac8 23. Rdc1 Nc6 24. Qe3 Nxe5 25. Qxe5 Kf7 26. g4 Rxc3 27. Rxc3 Rxc3 28. Rxc3 Qxc3 29. gxf5 Qc1+ 30. Kf2 Qd2+ 31. Kf1 Qc1+ 32. Kf2 Qc2+ 33. Kg3 Qxf5 34. Qc7+ Kg6 35. Qxa7 Qg5+ 36. Kf2 Qh4+ 37. Kg2 Qg5+ 38. Kf2 Qd2+ 39. Kg3 Qg5+ 1/2-1/2

[Event "Wichern op 4th"]
[Site "Hamburg"]
[Date "1997.??.??"]
[Round "4"]
[White "Mattheus, Ingomar"]
[Black "Trabert, Bettina"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "2220"]
[PlyCount "44"]
[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. Bc4 Bc5 4. 0-0 Nf6 5. d4 Bxd4 6. Nxd4 Nxd4 7. f4 d6 8. fxe5 dxe5 9. Bg5 Be6 10. Bxe6 Nxe6 11. Qxd8+ Rxd8 12. Bxf6 gxf6 13. Rxf6 Nf4 14. g3 Rd1+ 15. Kf2 Ke7 16. Rf5 Ng6 17. h4 Ke6 18. Ke2 Rhd8 19. Rf3 Rg1 20. h5 Ne7 21. Rd3 Rxd3 22. cxd3 Nc6 0-1

[Event "GER-ch26 V09 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Baum, Hans Juergen"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "B33"]
[BlackElo "2029"]
[PlyCount "79"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Ne7 9. c3 Nf5 10. a4 g6 11. Bd3 Bg7 12. 0-0 0-0 13. Re1 Re8 14. Bf1 b6 15. a5 a6 16. axb6 Qxb6 17. Na3 Bb7 18. Nc4 Qc7 19. Na5 Reb8 20. Re4 Bc8 21. Nc6 Rb6 22. Rc4 Qd7 23. Rca4 Bb7 24. Nb4 a5 25. Rxa5 Rxa5 26. Rxa5 Bc8 27. Ra8 Bf8 28. Nc6 Bb7 29. Ra7 Qc8 30. Bc4 Ne7 31. Na5 Ba8 32. Qf3 Qe8 33. b4 Bg7 34. Bg5 Nf5 35. g4 e4 36. Qh3 Nd4 37. cxd4 Rxb4 38. Qe3 f5 39. gxf5 gxf5 40. Qg3 1-0

[Event "GER jub50 qJVM51 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Beisser, Georg"]
[Black "Mattheus, Ingomar"]
[Result "1/2-1/2"]
[ECO "B31"]
[PlyCount "94"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. c3 0-0 7. h3 e5 8. d3 d6 9. Nbd2 Bd7 10. Nf1 Ne8 11. Bxc6 Bxc6 12. d4 exd4 13. cxd4 Qb6 14. d5 Bb5 15. Qc2 Nf6 16. Bd2 Bxf1 17. Rxf1 Rfe8 18. Rfe1 Re7 19. Bc3 Rae8 20. Bxf6 Bxf6 21. Re2 Qa5 22. a3 b5 23. Rae1 c4 24. Rd1 a6 25. Kf1 Qb6 26. Nd2 Bg7 27. Rde1 Qd4 28. Nf3 Qd3 29. Qxd3 cxd3 30. Rd2 Rxe4 31. Rxe4 Rxe4 32. b3 f5 33. Rxd3 Bb2 34. Nd2 Re8 35. a4 Rc8 36. axb5 axb5 37. Nf3 Rc5 38. Ke2 Bf6 39. Ke3 Kf7 40. g4 h6 41. Kf4 fxg4 42. hxg4 Rc2 43. Kg3 b4 44. Nd2 Rc3 45. Rf3 Ke7 46. Nc4 Be5+ 47. Kg2 Bd4 1/2-1/2

[Event "GER jub50 qJVM51 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Fuest, Gerd"]
[Black "Mattheus, Ingomar"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "54"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. Bc4 Bg7 5. 0-0 d6 6. d3 Nf6 7. h3 0-0 8. a3 e5 9. Be3 Nd4 10. a4 Qb6 11. b3 Be6 12. Bxe6 Nxe6 13. Ng5 Rae8 14. Nxe6 Rxe6 15. Qd2 Qa5 16. Qe1 Nd7 17. Bd2 Qd8 18. f3 f5 19. exf5 gxf5 20. f4 Rfe8 21. Kh1 exf4 22. Qf2 Nf6 23. Qf3 Ng4 24. Qxf4 Ne3 25. Bxe3 Bxc3 26. Rac1 Rxe3 27. Qc4+ R8e6 0-1

[Event "GER-ch26 V09 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Gerer, Joseph"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "A45"]
[BlackElo "2029"]
[PlyCount "51"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. Nd2 Nxd2 5. Qxd2 Bf5 6. e3 e6 7. Bd3 Bxd3 8. Qxd3 c5 9. dxc5 Qa5+ 10. c3 Qxc5 11. Nf3 Nd7 12. 0-0 Rc8 13. Rfd1 Be7 14. a4 Qc4 15. Qc2 Nc5 16. h4 Nb3 17. Rab1 0-0 18. Ng5 Bxg5 19. hxg5 Rfd8 20. f3 a6 21. Kf2 g6 22. Be5 Qh4+ 23. Kg1 Qxa4 24. Bf6 Rd6 25. g4 Rb6 26. Qh2 1-0

[Event "GER-ch26 V09 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Just, Joachim"]
[Black "Mattheus, Ingomar"]
[Result "0-1"]
[ECO "A46"]
[BlackElo "2029"]
[PlyCount "114"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. c3 cxd4 5. cxd4 Qb6 6. Qc2 Nc6 7. Bxf6 gxf6 8. e3 d5 9. Nc3 Bd7 10. Be2 Be7 11. 0-0 0-0 12. Rac1 Rac8 13. Qb1 f5 14. Na4 Qc7 15. Nc5 Rfd8 16. b4 b6 17. Nxd7 Qxd7 18. b5 Na5 19. Ne5 Qb7 20. Bh5 Rf8 21. Rxc8 Qxc8 22. Rc1 Qb7 23. Nc6 Nxc6 24. bxc6 Qa6 25. Qc2 Rc8 26. Be2 b5 27. Qc3 Qb6 28. Bh5 Bd6 29. f4 a5 30. Qe1 Be7 31. g4 fxg4 32. Qg3 Rxc6 33. Rf1 f5 34. h3 Rc3 35. hxg4 Kf8 36. Kh2 Bf6 37. Rg1 fxg4 38. Qxg4 Ke7 39. Qg8 Kd6 40. Rg3 Qd8 41. Qg4 Ra3 42. f5 Rxa2+ 43. Kh3 Qc8 44. Qf4+ e5 45. dxe5+ Bxe5 46. Qh6+ Kc5 47. e4 Kb4 48. Qe6 Qc7 49. Qxd5 Rb2 50. Bd1 a4 51. f6 Qc8+ 52. Bg4 Qc2 53. Be2 Qc8+ 54. Bg4 Qc1 55. Qd1 Qh6+ 56. Bh5 Bxg3 57. Qd5 Qe3 0-1

[Event "GER-ch26 V09 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Kievelitz, Bernd"]
[Black "Mattheus, Ingomar"]
[Result "1/2-1/2"]
[ECO "A09"]
[BlackElo "2029"]
[PlyCount "67"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. b4 g6 4. g3 Bg7 5. d3 b6 6. Bg2 Bb7 7. 0-0 Nf6 8. Nbd2 0-0 9. Nb3 Ne8 10. a4 e5 11. a5 Qc8 12. b5 Nd7 13. a6 Bxf3 14. exf3 Rb8 15. f4 f6 16. Bd5+ Kh8 17. fxe5 fxe5 18. f4 Nd6 19. Ra2 Nf6 20. Bc6 Ng4 21. Qe2 exf4 22. Bxf4 Ne3 23. Bxe3 Rxf1+ 24. Kxf1 dxe3 25. Qxe3 Qg4 26. Re2 Rf8+ 27. Kg1 Nf5 28. Qe4 Qg5 29. Rf2 Qd8 30. Rf4 Nd6 31. Rxf8+ Qxf8 32. Qe6 Bb2 33. Bd5 Qe8 34. Qxe8+ 1/2-1/2

[Event "GER jub50 qJVM51 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "Fechner, Joachim"]
[Result "1/2-1/2"]
[ECO "C88"]
[PlyCount "90"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. a4 Bb7 9. d3 d6 10. Nc3 Na5 11. Ba2 b4 12. Ne2 c5 13. Ng3 Rb8 14. Nf5 Bc8 15. Ne3 Be6 16. Nc4 Nxc4 17. Bxc4 Qc8 18. Bg5 a5 19. Bxf6 Bxf6 20. Bxe6 Qxe6 21. Nd2 Bd8 22. Nc4 f5 23. b3 f4 24. Qf3 Rf6 25. h3 Rg6 26. Kf1 Bc7 27. Ke2 Rf8 28. Rg1 Rff6 29. Kd2 Rh6 30. Rh1 Rfg6 31. Rag1 Rg5 32. h4 Rg4 33. h5 Rg5 34. g4 g6 35. Qe2 gxh5 36. gxh5 Qf6 37. Qf3 Rxg1 38. Rxg1+ Kh8 39. Qg2 Qf7 40. Qh3 Qe6 41. Qh4 Rf6 42. Qg5 Qf7 43. Qg4 Re6 44. Qh3 Qf6 45. f3 Bd8 1/2-1/2

[Event "GER jub50 qJVM51 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "Gueth, Dieter"]
[Result "0-1"]
[ECO "B97"]
[PlyCount "48"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Bxf6 gxf6 9. Be2 Qxb2 10. Na4 Qa3 11. c3 Nd7 12. 0-0 b5 13. Bh5 Bb7 14. Nxe6 Rb8 15. e5 bxa4 16. exd6 Qxd6 17. Re1 Qxd1 18. Raxd1 Be7 19. Bxf7+ Kxf7 20. Rxd7 Rhe8 21. Nd4 Bc8 22. Rc7 Rb7 23. Rexe7+ Rxe7 24. Rxc8 Rb2 0-1

[Event "GER-ch26 V09 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "Matrisch, Gerd"]
[Result "1-0"]
[ECO "C79"]
[WhiteElo "2029"]
[PlyCount "55"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6 6. Bxc6+ bxc6 7. d4 Nxe4 8. Re1 f5 9. dxe5 d5 10. Nd4 Bc5 11. c3 Qh4 12. f3 Ng5 13. Bxg5 Qxg5 14. Na3 0-0 15. b4 Bb6 16. Kh1 Qg6 17. Qb3 a5 18. Nac2 Ba6 19. bxa5 Bc4 20. Qb2 Rxa5 21. e6 c5 22. Nc6 Qf6 23. Na3 Ra4 24. Nxc4 dxc4 25. e7 Re8 26. Qb5 Ra3 27. Rad1 Raa8 28. a4 1-0

[Event "GER jub50 qJVM51 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "Neumann, Erwin"]
[Result "0-1"]
[ECO "C43"]
[PlyCount "60"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6 Nxd6 7. Nc3 Nc6 8. Qf4 Bf5 9. Bb5 Qe7+ 10. Kf1 0-0-0 11. Bxc6 bxc6 12. Qa4 Kb7 13. Bg5 f6 14. Re1 Qd7 15. Be3 Nc8 16. Nd4 Nb6 17. Qb3 Bd6 18. a4 Bg6 19. Qa2 Rhe8 20. a5 Bf7 21. b3 Nd5 22. a6+ Ka8 23. Nxd5 cxd5 24. Qa5 Rb8 25. Ra1 c5 26. Ne2 Qf5 27. Qc3 Rbc8 28. Qd3 Qxd3 29. cxd3 d4 30. Bf4 Bg6 0-1

[Event "GER-ch26 V09 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "Schlotthauber, Werner"]
[Result "1/2-1/2"]
[ECO "C99"]
[WhiteElo "2029"]
[BlackElo "2147"]
[PlyCount "104"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[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. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Bb7 14. d5 Rac8 15. Bd3 Nd7 16. Nf1 f5 17. exf5 Bxd5 18. Ne3 Bf7 19. Ng4 h5 20. f6 Nxf6 21. Nxf6+ Bxf6 22. Bf5 Rcd8 23. Bg5 Bxg5 24. Nxg5 Qe7 25. Bh7+ Kh8 26. h4 g6 27. Qd3 Qf6 28. Re3 Bd5 29. f3 Bf7 30. Nxf7+ Rxf7 31. Bxg6 Rg7 32. Bxh5 Qxh4 33. Bg4 Rh7 34. Ree1 d5 35. Qf5 Nc6 36. Rac1 Rh6 37. Red1 Rg8 38. Rxc6 Qh2+ 39. Kf2 Rxc6 40. Rxd5 Qh4+ 41. Ke2 Qg5 42. Kf2 Rf6 43. Qxg5 Rxg5 44. Bd7 Rg7 45. g4 e4 46. Bf5 exf3 47. Kxf3 Rgf7 48. Kg3 Kg7 49. a3 Rc6 50. Rd2 Rfc7 51. Rd5 Re7 52. Rd2 Rc1 1/2-1/2

[Event "GER-ch26 V09 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "Schmalstieg, Thomas"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "2029"]
[PlyCount "114"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 e6 8. Qf3 0-0 9. Qh3 h6 10. Ne4 dxe5 11. Bxh6 exd4 12. Ng5 Qf6 13. Nd2 Bxh6 14. Qxh6 Qh8 15. Qxh8+ Kxh8 16. 0-0-0 Kg7 17. h4 Rh8 18. Nde4 Nc6 19. f4 a5 20. a3 a4 21. Ba2 Nd5 22. Rd2 f6 23. Nf3 Nxf4 24. g3 Nh5 25. Nxd4 Nxd4 26. Rxd4 e5 27. Rd3 Bf5 28. Re1 Rhd8 29. Rc3 c6 30. Nc5 b6 31. Ne6+ Bxe6 32. Bxe6 Rd6 33. Bh3 Rad8 34. Bg2 c5 35. Rce3 b5 36. Rf1 b4 37. Rfe1 Rb8 38. Bf1 Rdb6 39. Kd2 bxa3 40. bxa3 Rb1 41. Bd3 R1b2 42. Bc4 Rd8+ 43. Kc1 Rb7 44. Rc3 Rd4 45. Rg1 f5 46. Be2 Rc7 47. Bb5 Nf6 48. Rd1 Rxd1+ 49. Kxd1 e4 50. Ke2 Nd5 51. Rc4 Nb6 52. Rc3 c4 53. Ke1 Rc5 54. Ba6 Kf6 55. Kd2 Ke5 56. Re3 Kd6 57. g4 Nd5 0-1

[Event "GER-ch26 V09 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "Schmidt, Theo"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2029"]
[BlackElo "2139"]
[PlyCount "54"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 0-0 8. Bd3 Nbc6 9. Nf3 f5 10. exf6 Rxf6 11. Bg5 Rf7 12. Bxe7 Rxe7 13. Qh4 g6 14. 0-0 c4 15. Be2 Qf8 16. Rfe1 Bd7 17. Bf1 Kg7 18. Re2 Qf6 19. Qxf6+ Kxf6 20. Rae1 Rae8 21. Ne5 Nxe5 22. Rxe5 Rc8 23. g3 Rc6 24. Bg2 Rf7 25. f4 h5 26. Bh3 Rb6 27. R5e2 Re7 1/2-1/2

[Event "GER-ch26 V09 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "Schwarz, Manfred"]
[Result "1/2-1/2"]
[ECO "C16"]
[WhiteElo "2029"]
[PlyCount "71"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 5. Bd2 b6 6. Qg4 f5 7. Qg3 Ba6 8. Nge2 Nc6 9. 0-0-0 0-0-0 10. a3 Bf8 11. Bg5 Re8 12. Nf4 Bxf1 13. Rhxf1 Qf7 14. Bh4 Nge7 15. Qd3 Kb7 16. f3 h6 17. Be1 g5 18. Nfe2 Ng6 19. Bf2 Na5 20. g4 f4 21. Kb1 a6 22. Nc1 Nc4 23. h3 Be7 24. Nb3 Ra8 25. Nd2 Nxd2+ 26. Qxd2 h5 27. Rh1 Rh6 28. Qd3 Rah8 29. Rhe1 hxg4 30. hxg4 Rh2 31. Bg1 R2h3 32. Rd2 Nh4 33. Rf2 Qe8 34. Qf1 Ng6 35. Qd3 Nh4 36. Qf1 1/2-1/2

[Event "GER jub50 qJVM51 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Mattheus, Ingomar"]
[Black "Wolff, Heinz"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "55"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. c5 Be7 7. Nf3 0-0 8. b4 Ne4 9. Qc2 Nc6 10. b5 Nxd4 11. Nxd4 Bxc5 12. Nxe4 Bxd4 13. Nc3 e5 14. Bb2 Be6 15. Qd2 Bb6 16. Na4 Ba5 17. Bc3 Bxc3 18. Nxc3 Rc8 19. Be2 Qa5 20. Ne4 Qa4 21. Ng5 Rc2 22. Bd1 Rxd2 23. Bxa4 Rd4 24. Bc2 e4 25. 0-0 Bd7 26. Rad1 Rxd1 27. Rxd1 Rc8 28. Bb3 1-0

[Event "GER-ch26 V09 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Nowak, Albert"]
[Black "Mattheus, Ingomar"]
[Result "1-0"]
[ECO "D46"]
[BlackElo "2029"]
[PlyCount "83"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. a3 d5 4. Nc3 Be7 5. Nf3 Nbd7 6. e3 0-0 7. Bd3 c6 8. 0-0 dxc4 9. Bxc4 b5 10. Bd3 Bb7 11. e4 Nb6 12. Qe2 a6 13. e5 Nfd5 14. Ne4 Rc8 15. Nc5 Bxc5 16. dxc5 Nd7 17. b4 Qc7 18. Qe4 g6 19. Re1 a5 20. Qh4 axb4 21. axb4 Ra8 22. Bb2 Kg7 23. Bc2 Qd8 24. Qd4 h6 25. Bb3 Qc7 26. Nd2 Rxa1 27. Rxa1 Ra8 28. Rd1 Qd8 29. g3 Qc7 30. Ne4 Nf8 31. Nd6 Qd7 32. f4 Kh7 33. g4 Kg8 34. Rf1 Qe7 35. Rf3 Ba6 36. Rh3 Kg7 37. Bc1 f5 38. exf6+ Qxf6 39. Qxf6+ Kxf6 40. Bxd5 exd5 41. Bb2+ Ke7 42. Rxh6 1-0

[Event "GER jub50 qJVM51 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Schwieger, Claus"]
[Black "Mattheus, Ingomar"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "88"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Nxe7 Nxe7 11. Bxf6 gxf6 12. Qf3 f5 13. exf5 d5 14. f6 Ng6 15. 0-0-0 Be6 16. Be2 Rc8 17. Nb1 e4 18. Qe3 Qxf6 19. a4 0-0 20. axb5 axb5 21. Nc3 Ra8 22. Kb1 Ra5 23. Nxb5 Rfa8 24. c3 Qe7 25. Nd4 Ra1+ 26. Kc2 R1a2 27. Nb5 Qb7 28. Rd4 Bd7 29. Rb4 R2a4 30. Rb3 Rc4 31. Bxc4 dxc4 32. Rb4 Bxb5 33. Re1 Ba4+ 34. Kb1 Qa6 35. Qb6 Qxb6 36. Rxb6 Re8 37. Ra6 Bb3 38. Rd6 f5 39. Rd5 Re5 40. Rd8+ Kf7 41. Rd7+ Ne7 42. Ra7 f4 43. Kc1 e3 44. g4 exf2 0-1

[Event "GER-chT 2BK Gr15 Br2 corr"]
[Site "GER corr"]
[Date "1995.??.??"]
[Round "?"]
[White "Drosson, Franz"]
[Black "Mattheus, Ingomar"]
[Result "1/2-1/2"]
[ECO "B33"]
[PlyCount "87"]
[EventDate "1995.??.??"]
[EventType "team (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Nxe7 Nxe7 11. Bd3 Bb7 12. Bxf6 gxf6 13. Qe2 d5 14. c3 Rg8 15. g3 Qb6 16. 0-0-0 0-0-0 17. Rhe1 d4 18. cxd4 Rxd4 19. Nc2 Rd7 20. f3 Rgd8 21. Rd2 Rc7 22. Kb1 Kb8 23. Ne3 Rdc8 24. Red1 h6 25. Bc2 Qc5 26. Qf2 h5 27. h3 Ka8 28. a3 b4 29. a4 h4 30. gxh4 f5 31. exf5 f6 32. Bb3 Qb6 33. Be6 Rh8 34. Rd8+ Rxd8 35. Rxd8+ Ka7 36. Rd2 Nc6 37. Nd5 Qxf2 38. Rxf2 Rh7 39. Nxf6 Rxh4 40. Nd7 Nd4 41. Nxe5 Rxh3 42. Rd2 Nxf3 43. Nxf3 Be4+ 44. Ka2 1/2-1/2

