[Event "North Sea Cup 19th"]
[Site "Esbjerg"]
[Date "2004.07.05"]
[Round "4"]
[White "Konstantinov, Mikhail"]
[Black "Petersen, Johannes"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2276"]
[BlackElo "2122"]
[PlyCount "77"]
[EventDate "2004.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 c6 4. Nf3 d6 5. e4 Nf6 6. Be2 0-0 7. h3 Nbd7 8. 0-0 Nb6 9. Be3 Ne8 10. Qd2 Bd7 11. Bh6 f6 12. Bxg7 Nxg7 13. Rfd1 Be6 14. b3 Bf7 15. c5 Nc8 16. b4 Qc7 17. Qc2 b6 18. Nb1 b5 19. a4 d5 20. axb5 dxe4 21. Qxe4 Bd5 22. Qc2 e6 23. bxc6 Ne7 24. b5 Ngf5 25. Nc3 g5 26. Nxd5 Nxd5 27. Qb3 Rfb8 28. Bc4 Nfe7 29. Nd2 Nxc6 30. Ne4 Qf4 31. Bxd5 exd5 32. Qxd5+ Kg7 33. Qxc6 Rc8 34. Qb7+ Kg6 35. Nd6 Rd8 36. Rxa7 Rxa7 37. Qxa7 Rxd6 38. cxd6 Qxd6 39. b6 1-0

[Event "North Sea Cup 19th"]
[Site "Esbjerg"]
[Date "2004.07.04"]
[Round "2"]
[White "Christensen, Christian Winther"]
[Black "Petersen, Johannes"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2120"]
[BlackElo "2122"]
[PlyCount "32"]
[EventDate "2004.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 g6 2. f4 Bg7 3. Nf3 d6 4. h3 Nf6 5. d3 0-0 6. Nc3 c6 7. Be3 Nfd7 8. g4 Qa5 9. Qd2 Bxc3 10. bxc3 Na6 11. d4 b5 12. Bd3 c5 13. 0-0 Nb6 14. Qe1 Na4 15. Bd2 Bb7 16. e5 Be4 1/2-1/2

[Event "North Sea Cup 19th"]
[Site "Esbjerg"]
[Date "2004.07.04"]
[Round "3"]
[White "Petersen, Johannes"]
[Black "Roerholt, Carsten"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2122"]
[PlyCount "104"]
[EventDate "2004.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. g3 d5 2. Nf3 g6 3. Bg2 Bg7 4. c3 c5 5. 0-0 Nf6 6. d4 cxd4 7. Nxd4 0-0 8. Bf4 a6 9. Bxb8 Rxb8 10. Nd2 e6 11. Re1 Re8 12. e3 Bd7 13. a4 Qb6 14. Qb3 Qc7 15. Qc2 Rec8 16. Rec1 Qd6 17. Qd1 Rc7 18. e4 Rbc8 19. Qe2 e5 20. N4f3 b5 21. exd5 Nxd5 22. Ne4 Qb6 23. a5 Qb8 24. Nd6 Rd8 25. Nxe5 Be6 26. Nexf7 Bxf7 27. Nxf7 Rxf7 28. Rd1 Nf6 29. Bc6 Rff8 30. Qe6+ Kh8 31. Rd4 Rxd4 32. cxd4 Rd8 33. d5 Qd6 34. Re1 Ng8 35. Qf7 Rf8 36. Qa7 Qf6 37. Re6 Qxb2 38. Qc5 Ne7 39. Qe3 Bd4 40. Qe2 Bxf2+ 41. Kg2 Qxe2 42. Rxe2 Nxc6 43. dxc6 Bc5 44. Re6 Rc8 45. Kf3 Kg8 46. Ke4 Bb4 47. c7 Bxa5 48. Rxa6 Bxc7 49. Kd5 Rb8 50. Kc6 Rb6+ 51. Rxb6 Bxb6 52. Kxb6 b4 0-1

[Event "North Sea Cup 19th"]
[Site "Esbjerg"]
[Date "2004.07.03"]
[Round "1"]
[White "Petersen, Johannes"]
[Black "Rosenberg, Jan"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2122"]
[PlyCount "108"]
[EventDate "2004.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. g3 d5 2. Nf3 c5 3. Bg2 Nc6 4. 0-0 e5 5. d3 Be7 6. Nbd2 Nf6 7. Nb3 0-0 8. Bg5 Qd6 9. c3 h6 10. Bxf6 Bxf6 11. Nfd2 Be6 12. e4 d4 13. c4 b6 14. Qe2 Kh7 15. Nc1 Qd7 16. f3 Nb4 17. Ndb3 a5 18. a3 Nc6 19. Qd1 g5 20. Ne2 Rg8 21. g4 Ne7 22. Ng3 Ng6 23. Nc1 b5 24. b3 Rab8 25. Nh5 Bh8 26. Ne2 bxc4 27. bxc4 Rb2 28. Qe1 Rgb8 29. Neg3 R8b3 30. Qd1 Qb7 31. Qe1 Qb6 32. Nf5 Bxf5 33. exf5 Nh4 34. Bh3 Rxd3 35. Qe4 Re3 36. Qd5 Qb7 37. Qxb7 Rxb7 38. Ng3 Nxf3+ 39. Kh1 Rb2 40. Bg2 Rbb3 41. Bxf3 Rxf3 42. Rxf3 Rxf3 43. Kg2 Rc3 44. Ne4 Rxc4 45. Ra2 d3 46. Kf3 Rc2 47. Ra1 c4 48. Rd1 Rxh2 49. Ke3 Rc2 50. a4 Bg7 51. Nd6 Kg8 52. Nb5 Bf8 53. Ke4 f6 54. Na3 Bxa3 0-1

[Event "Pinneberg Winter-A"]
[Site "Pinneberg"]
[Date "1999.01.21"]
[Round "1"]
[White "Petersen, Johannes"]
[Black "Grothkopp, Dietrich"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2205"]
[PlyCount "58"]
[EventDate "1998.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[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. Nf3 Bg4 7. cxd5 Nxd5 8. Bc4 Bxf3 9. Qxf3 Nf6 10. Bb5 e6 11. Bxc6+ bxc6 12. Qxc6+ Nd7 13. 0-0 Be7 14. Be3 0-0 15. Qf3 Qa5 16. a3 Bf6 17. Rfd1 Nb6 18. Ne4 Nd5 19. Qg3 Kh8 20. Nxf6 Nxf6 21. Bd2 Qb6 22. Bc3 Nd5 23. Rac1 Rad8 24. Re1 Qb7 25. h4 Qb6 26. Qe5 Rfe8 27. h5 h6 28. Qg3 Rd7 29. Qf3 Red8 1/2-1/2

[Event "Pinneberg Winter-A"]
[Site "Pinneberg"]
[Date "1998.12.03"]
[Round "6"]
[White "Petersen, Johannes"]
[Black "Sausmikat, Michael"]
[Result "1/2-1/2"]
[ECO "B95"]
[WhiteElo "2205"]
[PlyCount "179"]
[EventDate "1998.??.??"]
[EventType "tourn"]
[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. Bg5 e6 7. Qd2 Be7 8. 0-0-0 Qc7 9. f4 Nbd7 10. Be2 b5 11. Bf3 Bb7 12. a3 0-0 13. g4 Rac8 14. h4 Nb6 15. Bxf6 Bxf6 16. Be2 e5 17. Nf5 exf4 18. Rh3 d5 19. Nxd5 Nxd5 20. exd5 Bxd5 21. c3 Bb3 22. Rf1 Be5 23. g5 Rfd8 24. Qe1 g6 25. Nh6+ Kg7 26. h5 Rd5 27. hxg6 fxg6 28. Ng4 Rcd8 29. Qh4 Kh8 30. Nxe5 Rxe5 31. Qxf4 Rde8 32. Re3 Qe7 33. Rxe5 Qxe5 34. Bd1 Qxf4+ 35. Rxf4 Re1 36. Rd4 Rxd1+ 37. Rxd1 Bxd1 38. Kxd1 Kg7 39. Kd2 Kf7 40. Kd3 Ke6 41. c4 bxc4+ 42. Kxc4 Kf5 43. b4 Kxg5 44. a4 Kf5 45. Kc5 Ke6 46. Kc6 h5 47. b5 axb5 48. axb5 h4 49. b6 h3 50. b7 h2 51. b8Q h1Q+ 52. Kc5 Qd5+ 53. Kb4 Qd4+ 54. Kb3 Qd3+ 55. Kb2 Qd2+ 56. Kb3 Qd3+ 57. Kb2 Qe2+ 58. Kb1 Qe1+ 59. Kc2 Qe4+ 60. Kd1 Kf6 61. Qd8+ Kf5 62. Qd7+ Kf4 63. Qd2+ Kg4 64. Qd7+ Kg3 65. Qd6+ Kh3 66. Qd7+ Kg2 67. Qd2+ Kg3 68. Qd6+ Kh3 69. Qd7+ Kh4 70. Qd8+ g5 71. Qh8+ Kg3 72. Qb8+ Qf4 73. Qg8 g4 74. Kc2 Qf2+ 75. Kb3 Qf3+ 76. Kb4 Kg2 77. Qa2+ Kh3 78. Qg8 g3 79. Qh7+ Kg2 80. Qc2+ Qf2 81. Qe4+ Kg1 82. Qb1+ Qf1 83. Qe4 g2 84. Qe3+ Qf2 85. Qc1+ Kh2 86. Qh6+ Kg1 87. Qc1+ Qf1 88. Qe3+ Qf2 89. Qc1+ Qf1 90. Qe3+ 1/2-1/2

[Event "Pinneberg Winter-A"]
[Site "Pinneberg"]
[Date "1998.11.26"]
[Round "5"]
[White "Petersen, Johannes"]
[Black "Brueckner, Gerhard"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2205"]
[PlyCount "52"]
[EventDate "1998.??.??"]
[EventType "tourn"]
[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 Nf6 3. Nc3 Bb4 4. Bc4 0-0 5. 0-0 c6 6. a3 Ba5 7. b4 Bc7 8. Bb2 d5 9. exd5 cxd5 10. Bb3 e4 11. Nd4 Bxh2+ 12. Kh1 Be5 13. Nce2 Ng4 14. g3 Qf6 15. Kg2 Nc6 16. c3 Be6 17. f4 Bxd4 18. Nxd4 Nxd4 19. cxd4 Rac8 20. f5 Bxf5 21. Bxd5 Qg6 22. Bxb7 e3 23. Bf3 exd2 24. Bxg4 Bxg4 25. Qb3 Rc2 26. Kg1 Qe4 0-1

[Event "Pinneberg Winter-A"]
[Site "Pinneberg"]
[Date "1998.11.19"]
[Round "4"]
[White "Klockgether, Jens"]
[Black "Petersen, Johannes"]
[Result "0-1"]
[ECO "B77"]
[BlackElo "2205"]
[PlyCount "70"]
[EventDate "1998.??.??"]
[EventType "tourn"]
[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 g6 6. Be3 Bg7 7. Bc4 a6 8. f3 Nc6 9. Qd2 Bd7 10. 0-0 0-0 11. Nxc6 bxc6 12. Kh1 Qc7 13. Rad1 Be6 14. Bxe6 fxe6 15. Bh6 e5 16. Bxg7 Kxg7 17. f4 exf4 18. Rxf4 Nd7 19. Rh4 h5 20. g4 Nf6 21. gxh5 gxh5 22. Ne2 Rab8 23. Nf4 Kf7 24. Nxh5 Nxh5 25. Rxh5 Ke8 26. b3 Kd7 27. Qe2 Rg8 28. Qf3 Rbf8 29. Rf5 Re8 30. h4 Rh8 31. h5 Reg8 32. Qh3 Kd8 33. Rdf1 Qb6 34. h6 Qd4 35. Qh4 Qxe4+ 0-1

[Event "Pinneberg Winter-A"]
[Site "Pinneberg"]
[Date "1998.11.12"]
[Round "7"]
[White "Tietz, Julian"]
[Black "Petersen, Johannes"]
[Result "1/2-1/2"]
[ECO "B94"]
[BlackElo "2205"]
[PlyCount "49"]
[EventDate "1998.??.??"]
[EventType "tourn"]
[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. Bg5 e5 7. Nb3 Be6 8. Bxf6 gxf6 9. Nd5 Nc6 10. Qd2 h5 11. Rd1 Rc8 12. Qd3 b5 13. c4 Bxd5 14. Qxd5 Nb4 15. Qd2 bxc4 16. Qxb4 cxb3 17. Bxa6 Rb8 18. Bb5+ Ke7 19. axb3 Qb6 20. Rd5 Bh6 21. 0-0 Rhc8 22. Rfd1 Rc5 23. Rxc5 Qxc5 24. Qxc5 dxc5 25. Bc4 1/2-1/2

[Event "Pinneberg Winter-A"]
[Site "Pinneberg"]
[Date "1998.11.05"]
[Round "2"]
[White "Iwanow, Thomas"]
[Black "Petersen, Johannes"]
[Result "1-0"]
[ECO "D00"]
[BlackElo "2205"]
[PlyCount "97"]
[EventDate "1998.??.??"]
[EventType "tourn"]
[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. Bg5 e6 3. c3 Be7 4. Nd2 d5 5. e3 a6 6. Bd3 b6 7. f4 h6 8. Bh4 c5 9. Ngf3 Nc6 10. 0-0 0-0 11. Rc1 Bb7 12. Bb1 Ng4 13. Bxe7 Qxe7 14. Qe1 f5 15. h3 Nf6 16. Kh2 Qf7 17. Qh4 cxd4 18. exd4 Ne4 19. Bd3 Rae8 20. Rc2 b5 21. Nb3 Qc7 22. Ne5 Nxe5 23. dxe5 Nc5 24. Rf3 Nxb3 25. axb3 Kh8 26. Rg3 Rf7 27. Rg6 Qe7 28. Qg3 Rc8 29. h4 b4 30. c4 a5 31. Kh3 Rc7 32. h5 d4 33. Qf2 Qd7 34. c5 Be4 35. Qd2 Bxd3 36. Qxd3 Qd5 37. Rc4 Rfd7 38. Kh4 Rc6 39. Kh3 Qe4 40. Qd1 Qxf4 41. Qa1 Qe3+ 42. Rg3 Qxe5 43. Qxa5 Rdc7 44. Qxb4 f4 45. Qb8+ Kh7 46. Qe8 Qf5+ 47. Rg4 Rxc5 48. Rxd4 e5 49. Rd8 1-0

[Event "Pinneberg Winter-A"]
[Site "Pinneberg"]
[Date "1998.10.29"]
[Round "3"]
[White "Petersen, Johannes"]
[Black "Linke, Helmut"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2205"]
[PlyCount "103"]
[EventDate "1998.??.??"]
[EventType "tourn"]
[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. Bc4 Be7 4. d4 d6 5. 0-0 Nf6 6. Nc3 Bg4 7. d5 Nd4 8. Be2 Nxe2+ 9. Qxe2 a6 10. h3 Bh5 11. Be3 h6 12. b4 g5 13. g4 Nxg4 14. hxg4 Bxg4 15. Kg2 Qd7 16. Rh1 f5 17. Qd3 0-0-0 18. b5 a5 19. b6 fxe4 20. Qxe4 Rdf8 21. Nd2 Bf5 22. Qc4 c5 23. dxc6 Qxc6+ 24. Qxc6+ bxc6 25. Nc4 h5 26. Nxa5 Kd7 27. Nc4 Bxc2 28. a4 Bd3 29. Nb2 Ba6 30. a5 d5 31. Rhd1 Ke6 32. Nba4 d4 33. Bxd4 exd4 34. Rxd4 Bb7 35. Re1+ Kf5 36. Rd7 Bf6 37. Rxb7 h4 38. a6 g4 39. Ne4 Bd4 40. Rd7 Rd8 41. Nd6+ Kf6 42. Rxd8 Rxd8 43. b7 h3+ 44. Kg3 Ba7 45. Nc8 Bb8+ 46. Kxg4 Rd4+ 47. Kxh3 Rxa4 48. a7 Rxa7 49. Nxa7 Bxa7 50. Rb1 Bb8 51. Rb6 Ke7 52. Rxc6 1-0

[Event "Regionalliga NordN"]
[Site "Germany"]
[Date "1990.??.??"]
[Round "?"]
[White "Kurth, Justus"]
[Black "Petersen, Johannes"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2320"]
[PlyCount "77"]
[EventDate "1990.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. f4 Nc6 7. Ndf3 Be7 8. Bd3 0-0 9. Ne2 cxd4 10. cxd4 f6 11. 0-0 Rf7 12. f5 Nf8 13. Ng3 Qb6 14. Kh1 fxe5 15. Nxe5 Nxe5 16. dxe5 exf5 17. Nxf5 Bxf5 18. Rxf5 Rxf5 19. Bxf5 Rd8 20. Qe2 Qd4 21. e6 Qf6 22. Bg4 d4 23. Bd2 d3 24. Qf1 Ng6 25. Bc3 Qxf1+ 26. Rxf1 Rf8 27. Rxf8+ Kxf8 28. Kg1 Bf6 29. Bxf6 gxf6 30. Kf2 Ke7 31. Bf5 Nf8 32. Ke3 h6 33. Kxd3 Nxe6 34. Bxe6 Kxe6 35. Ke4 f5+ 36. Kd4 Kd6 37. b4 a6 38. a4 b6 39. g3 1/2-1/2

[Event "Regionalliga NordN"]
[Site "Germany"]
[Date "1990.??.??"]
[Round "?"]
[White "Osterkorn, Christoph"]
[Black "Petersen, Johannes"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "107"]
[EventDate "1990.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Bg4 3. h3 Bh5 4. Nf3 Bxf3 5. exf3 Nd7 6. f4 e6 7. g3 Ngf6 8. Bg2 g6 9. d3 Bg7 10. Nd2 Nh5 11. Bxg7 Nxg7 12. 0-0 0-0 13. Nf3 c6 14. Ne5 Nxe5 15. fxe5 Rc8 16. Qd2 Qe7 17. c3 Rfd8 18. Rae1 c5 19. g4 b5 20. Rc1 Rc7 21. f4 c4 22. bxc4 bxc4 23. d4 Rb8 24. Rb1 Rcb7 25. Qc2 Rb6 26. Rxb6 Rxb6 27. Rb1 Qb7 28. Rxb6 Qxb6 29. Kf2 Qb5 30. Bf3 a5 31. Bd1 Kf8 32. Ke3 Kg8 33. Kd2 Kf8 34. Kc1 Ke7 35. Qb2 Qxb2+ 36. Kxb2 Kd7 37. Ka3 Kc6 38. Ba4+ Kb6 39. Kb2 h6 40. Ka3 h5 41. Bd7 hxg4 42. hxg4 Kc7 43. Bb5 Kd8 44. Ka4 Nh5 45. gxh5 gxh5 46. Kxa5 h4 47. Ba4 h3 48. Bd1 h2 49. Bf3 Kc7 50. Kb5 Kb7 51. a4 Kc7 52. a5 Kb7 53. a6+ Ka7 54. Ka5 1-0

[Event "Regionalliga NordN"]
[Site "Germany"]
[Date "1990.??.??"]
[Round "?"]
[White "Petersen, Johannes"]
[Black "Dengler, Norbert"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "68"]
[EventDate "1990.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d6 3. f4 Nf6 4. Bd3 Qb6 5. c3 c5 6. dxc5 Qxc5 7. Qf3 Qb6 8. Nd2 Nbd7 9. Nb3 a5 10. Ne2 a4 11. Be3 Qc7 12. Nbd4 Nc5 13. Bb5+ Bd7 14. Bxd7+ Qxd7 15. 0-0 Ncxe4 16. f5 g5 17. fxg6 hxg6 18. h3 Bh6 19. Bxh6 Rxh6 20. Qe3 Rh7 21. Rad1 Kf8 22. Nf3 Kg7 23. Rd4 Qe6 24. Rb4 Rah8 25. Nfd4 Qd7 26. Nf3 d5 27. Ne5 Qe6 28. Nd3 Qg4 29. Ne5 Qe6 30. Nd3 Ng4 31. Qd4+ Ngf6 32. Rb6 Qc8 33. Ne5 Rxh3 34. gxh3 Qxh3 0-1

[Event "Regionalliga NordN"]
[Site "Germany"]
[Date "1990.??.??"]
[Round "?"]
[White "Petersen, Johannes"]
[Black "Nugel, Karl Heinz"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "40"]
[EventDate "1990.??.??"]
[EventType "team-tourn"]
[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. c3 d5 4. Bd3 dxe4 5. Bxe4 Nf6 6. Bf3 0-0 7. Ne2 c5 8. 0-0 Nc6 9. Bxc6 bxc6 10. dxc5 Ba6 11. Nd2 Qd5 12. Re1 Rfd8 13. Qa4 Bxe2 14. Rxe2 Qxc5 15. Nf3 Nd5 16. Bg5 Rd7 17. Rae1 f6 18. Bc1 e5 19. Qh4 Rad8 20. g3 Nb6 1/2-1/2

[Event "Regionalliga NordN"]
[Site "Germany"]
[Date "1990.??.??"]
[Round "?"]
[White "Petersen, Johannes"]
[Black "Ritscher, Jan Paul"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "113"]
[EventDate "1990.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. e6 fxe6 5. d4 c5 6. Nf3 Nc6 7. dxc5 Nf6 8. Bb5 Bd7 9. 0-0 g6 10. Re1 Bg7 11. Bxc6 bxc6 12. Be3 0-0 13. Bd4 Nh5 14. Ne2 Rb8 15. Bxg7 Nxg7 16. Ned4 Rf6 17. Ne5 Qc7 18. Rb1 Rbf8 19. f3 Rb8 20. b4 Qc8 21. c3 Nf5 22. a4 Rb7 23. Qd3 Nxd4 24. cxd4 Qc7 25. Re2 Qb8 26. Reb2 Be8 27. b5 a6 28. b6 Qa8 29. a5 Rf5 30. Re2 Rb8 31. Rbe1 Qb7 32. Ng4 Bd7 33. Nh6+ Kh8 34. Nxf5 gxf5 35. Qe3 Rf8 36. Qe5+ Kg8 37. f4 Qb8 38. Re3 Kf7 39. Qxb8 Rxb8 40. Rh3 Kg6 41. Ree3 h6 42. Reg3+ Kh7 43. Rg5 Be8 44. Rgg3 e5 45. fxe5 e6 46. Rb3 Rb7 47. Rhf3 Bd7 48. h3 Bc8 49. g4 Kg6 50. Kf2 Re7 51. gxf5+ exf5 52. Rg3+ Kh7 53. Kf3 Bb7 54. Kf4 Bc8 55. Rb1 Bb7 56. Rbg1 Bc8 57. Rg6 1-0

[Event "Regionalliga NordN"]
[Site "Germany"]
[Date "1990.??.??"]
[Round "?"]
[White "Witte, Matthias"]
[Black "Petersen, Johannes"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "77"]
[EventDate "1990.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Bd7 6. a3 Nc6 7. axb4 Bxb4+ 8. c3 Be7 9. Bd3 h5 10. 0-0 Nh6 11. Na3 Na5 12. Nd2 g6 13. c4 Nxc4 14. Naxc4 dxc4 15. Nxc4 Bc6 16. Be3 Nf5 17. Bxf5 gxf5 18. f3 h4 19. Qd2 b5 20. Nb2 a5 21. Rfc1 Bd5 22. Nd3 Rg8 23. Kf2 b4 24. Nf4 a4 25. Nxd5 Qxd5 26. Rc7 h3 27. g3 b3 28. Rac1 Kd8 29. Rxe7 Kxe7 30. Qb4+ Kd8 31. Qb6+ Ke8 32. Rc5 Qd8 33. Qc6+ Kf8 34. Bh6+ Rg7 35. d5 exd5 36. Rxd5 Qe8 37. Qf6 Qe6 38. Qxg7+ Ke7 39. Bg5+ 1-0

[Event "Regionalliga NordN"]
[Site "Germany"]
[Date "1989.??.??"]
[Round "?"]
[White "Petersen, Johannes"]
[Black "Billen, Detlev"]
[Result "1/2-1/2"]
[ECO "B17"]
[PlyCount "51"]
[EventDate "1989.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Ne5 Bf5 8. c3 e6 9. g4 Bg6 10. h4 Qd5 11. Rh3 h5 12. g5 Nd7 13. Nxg6 fxg6 14. Bd3 0-0-0 15. Qf3 Qa5 16. Bxg6 Bd6 17. Be3 e5 18. b4 Qa3 19. Bc1 Qa4 20. d5 e4 21. Bxe4 Ne5 22. Qf5+ Kb8 23. dxc6 Rhf8 24. Bc2 Qxc6 25. Qe4 Qc7 26. Kf1 1/2-1/2

[Event "Regionalliga NordN"]
[Site "Germany"]
[Date "1989.??.??"]
[Round "?"]
[White "Petersen, Johannes"]
[Black "Osterkorn, Christoph"]
[Result "0-1"]
[ECO "C27"]
[PlyCount "42"]
[EventDate "1989.??.??"]
[EventType "team"]
[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. Nc3 Nf6 3. Bc4 Bb4 4. Nge2 0-0 5. 0-0 Nc6 6. a3 Bxc3 7. Nxc3 Nxe4 8. Nxe4 d5 9. Bd3 dxe4 10. Bxe4 Qd6 11. c3 f5 12. Bc2 b6 13. b4 Ba6 14. Re1 e4 15. f3 Bd3 16. Bxd3 exd3 17. Qb3+ Kh8 18. Bb2 Rfe8 19. c4 Nd4 20. Bxd4 Qxd4+ 21. Kf1 Re2 0-1

[Event "Regionalliga NordN"]
[Site "Germany"]
[Date "1989.??.??"]
[Round "?"]
[White "Petersen, Johannes"]
[Black "Semmler, Guenter"]
[Result "1/2-1/2"]
[ECO "A41"]
[PlyCount "82"]
[EventDate "1989.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nbd2 Bg4 5. c3 e6 6. Bd3 Be7 7. 0-0 0-0 8. Re1 e5 9. d5 Nb8 10. Nf1 Nbd7 11. h3 Bh5 12. Ng3 Bg6 13. Nh2 h6 14. c4 Re8 15. Be3 Bf8 16. b4 a5 17. a3 axb4 18. axb4 Rxa1 19. Qxa1 c6 20. dxc6 bxc6 21. Qc3 Qc7 22. Ra1 Rb8 23. Ra7 Qc8 24. Nf3 d5 25. cxd5 cxd5 26. Qxc8 Rxc8 27. Ba6 Rb8 28. exd5 Bxb4 29. Rb7 Rxb7 30. Bxb7 Kf8 31. Nh4 Bd3 32. Bc6 Bc4 33. f4 exf4 34. Bxf4 Bxd5 35. Bxd5 Nxd5 36. Bc1 Be1 37. Kh2 Bc3 38. Ba3+ Bb4 39. Bxb4+ Nxb4 40. Nhf5 Nd5 41. Ne4 Ne5 1/2-1/2

[Event "Regionalliga NordN"]
[Site "Germany"]
[Date "1989.??.??"]
[Round "?"]
[White "Petersen, Johannes"]
[Black "Toenjes, Andreas"]
[Result "1/2-1/2"]
[ECO "B39"]
[PlyCount "81"]
[EventDate "1989.??.??"]
[EventType "team"]
[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 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Qd2 Qa5 11. Rc1 b6 12. Be2 Bb7 13. f3 Rc8 14. 0-0 d6 15. Rc2 Ba6 16. b3 Bb7 17. Rfc1 g5 18. Nd5 Qxd2 19. Rxd2 Be5 20. g3 Rg8 21. Rcd1 h5 22. Kf2 Kd7 23. a4 Nc5 24. Rb1 e6 25. Bxc5 bxc5 26. Ne3 Bc6 27. Nc2 Rb8 28. Ke3 Kc7 29. Rd3 f5 30. exf5 exf5 31. f4 Bf6 32. Bf3 Rge8+ 33. Kf2 gxf4 34. gxf4 Bh4+ 35. Kf1 Bxa4 36. Ra1 Rxb3 37. Rxb3 Bxb3 38. Rxa7+ Kd8 39. Ra8+ Ke7 40. Rxe8+ Kxe8 41. Bxh5+ 1/2-1/2

[Event "Regionalliga NordN"]
[Site "Germany"]
[Date "1988.??.??"]
[Round "?"]
[White "Zerk, R."]
[Black "Petersen, Johannes"]
[Result "0-1"]
[ECO "E54"]
[PlyCount "88"]
[EventDate "1988.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 c5 6. Nf3 d5 7. 0-0 cxd4 8. exd4 dxc4 9. Bxc4 Nbd7 10. Qb3 Be7 11. Bg5 Nb6 12. Be2 Nfd5 13. Be3 Bd7 14. Rac1 Rc8 15. a3 Bf6 16. Ne4 Bc6 17. Nc5 Qe7 18. Ne5 Nxe3 19. Qxe3 Rfd8 20. Rfd1 Bg5 21. f4 Nd5 22. Nxc6 Rxc6 23. Qe4 Bxf4 24. Rb1 Bh6 25. g3 g6 26. h4 Bg7 27. Bc4 Bxd4+ 28. Rxd4 Qxc5 29. Kh1 Rcd6 30. b4 Qb6 31. Bxd5 Rxd5 32. Rxd5 Rxd5 33. Rc1 Kg7 34. Qf3 Qd6 35. Qc3+ e5 36. Qf3 h5 37. Rf1 Qe6 38. g4 hxg4 39. Qe3 e4 40. Qc3+ Qe5 41. Qe1 e3 42. Qe2 Rd2 43. Rxf7+ Kxf7 44. Qc4+ Qd5+ 0-1

