[Event "Tonsberg Autumn"]
[Site "Tonsberg"]
[Date "2014.11.10"]
[Round "8"]
[White "Petterson, Gustav Erik"]
[Black "Ostmann, Jens O"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "833"]
[BlackElo "811"]
[PlyCount "72"]
[EventDate "2014.09.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. h3 Nd4 6. Nxe5 Nxb5 7. c4 Nd4 8. 0-0 d6 9. Nf3 Nxf3+ 10. Qxf3 0-0 11. a3 Bd4 12. Qe2 c5 13. Be3 Bxe3 14. Qxe3 Re8 15. f3 b6 16. Nc3 Ba6 17. b4 cxb4 18. axb4 Qc8 19. Ra2 Qb7 20. Rfa1 Bxc4 21. dxc4 a5 22. bxa5 Rxa5 23. Rxa5 bxa5 24. Rb1 Qc7 25. Qd4 Rd8 26. Rb5 Rb8 27. Rg5 Ne8 28. Nb5 Rxb5 29. Rxb5 h6 30. Qd5 Qa7+ 31. Kh2 Nc7 32. Qb7 Nxb5 33. Qxb5 a4 34. Qb2 a3 35. Qa2 Qc5 36. Kh1 Qb4 0-1

[Event "Tonsberg Autumn"]
[Site "Tonsberg"]
[Date "2014.10.27"]
[Round "6"]
[White "Jacobsen, Willy H"]
[Black "Petterson, Gustav Erik"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "960"]
[BlackElo "833"]
[PlyCount "47"]
[EventDate "2014.09.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 a6 3. c4 Nc6 4. Nc3 e5 5. g3 d6 6. Bg2 h6 7. 0-0 f5 8. exf5 Bxf5 9. Nh4 Qd7 10. Nxf5 Qxf5 11. Be4 Qf7 12. Bd5 Qf5 13. d3 Nge7 14. Be4 Qf7 15. Nd5 Rc8 16. Qb3 Nxd5 17. Bxd5 Qd7 18. Be3 Nb4 19. Be4 Qf7 20. a3 Nc6 21. Rad1 Nd4 22. Bxd4 exd4 23. Bxb7 Rb8 24. Bc6+ 1-0

[Event "Tonsberg CC-ch"]
[Site "Tonsberg"]
[Date "2013.02.11"]
[Round "4"]
[White "Petterson, Gustav Erik"]
[Black "Halvorsen, Terje"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "834"]
[BlackElo "967"]
[PlyCount "74"]
[EventDate "2013.01.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 g6 3. Bc4 Nd7 4. h3 Bg7 5. c3 Ne5 6. Nxe5 dxe5 7. 0-0 e6 8. f4 Nh6 9. fxe5 c5 10. d3 Qc7 11. Be3 Ng8 12. Na3 a6 13. d4 b5 14. Be2 c4 15. Qe1 h5 16. b3 Bf8 17. Nc2 Bb7 18. Bf3 Be7 19. g3 f6 20. exf6 Nxf6 21. Bf2 h4 22. g4 Nd7 23. Ne3 Rf8 24. Bxh4 g5 25. Bg3 Qd8 26. Rd1 Qb6 27. Kg2 e5 28. d5 Rd8 29. Nf5 Bf6 30. h4 gxh4 31. Nxh4 Nc5 32. Bf2 Bxh4 33. Bxh4 Qh6 34. Bxd8 Kxd8 35. Rh1 Qf4 36. Qh4+ Ke8 37. Qh5+ Kd8 0-1

[Event "Host Monrad"]
[Site "Tonsberg"]
[Date "2004.12.06"]
[Round "7"]
[White "Petterson, Gustav Erik"]
[Black "Ostmann, Jens O"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "945"]
[PlyCount "96"]
[EventDate "2004.09.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NOR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bb4 3. e3 Bxc3 4. dxc3 Nf6 5. g3 d5 6. Bg2 Nc6 7. c5 e4 8. b4 a6 9. Ne2 Bg4 10. 0-0 Qd7 11. f3 exf3 12. Bxf3 Bxf3 13. Rxf3 0-0 14. Qb3 Ne5 15. Rf1 Qb5 16. Nf4 Nd3 17. Rb1 c6 18. a4 Nxc1 19. Rbxc1 Qc4 20. Qxc4 dxc4 21. Rcd1 Ng4 22. Rf3 Rae8 23. Re1 Ne5 24. Rff1 Ng4 25. e4 Nf6 26. e5 Nd5 27. Rf3 Nxf4 28. Rxf4 g5 29. Rxc4 Re6 30. Rd4 f6 31. Rd7 b5 32. cxb6 Rf7 33. Rxf7 Kxf7 34. Re4 Kg6 35. g4 f5 36. gxf5+ Kxf5 37. Re3 Kf4 38. Kf2 g4 39. Re2 h5 40. Kg2 h4 41. Rf2+ Kg5 42. Re2 h3+ 43. Kg3 Kf5 44. a5 Re8 45. Rf2+ Kg5 46. Re2 Kf5 47. Kh4 Kf4 48. e6 Rh8# 0-1

[Event "Host Monrad"]
[Site "Tonsberg"]
[Date "2004.11.22"]
[Round "6"]
[White "Snorteland, Per"]
[Black "Petterson, Gustav Erik"]
[Result "1-0"]
[ECO "C34"]
[WhiteElo "1297"]
[BlackElo "945"]
[PlyCount "59"]
[EventDate "2004.09.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NOR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d6 4. Bc4 Nc6 5. d4 f6 6. Bxf4 Nge7 7. 0-0 Ng6 8. Bg3 Bd7 9. Nc3 Na5 10. Bd3 a6 11. Qe1 Be7 12. Nd5 0-0 13. Qxa5 Qc8 14. Nxe7+ Nxe7 15. e5 b6 16. Qd2 fxe5 17. dxe5 d5 18. Ng5 Bf5 19. Bxf5 Nxf5 20. Qxd5+ Kh8 21. Nf7+ Rxf7 22. Qxf7 Nxg3 23. hxg3 c5 24. Rad1 Qg8 25. Rd7 h6 26. Qxg8+ Kxg8 27. Rff7 g5 28. Rg7+ Kf8 29. Rh7 Ke8 30. Rb7 1-0

[Event "Host Monrad"]
[Site "Tonsberg"]
[Date "2004.11.15"]
[Round "5"]
[White "Andreassen, Tor Herman"]
[Black "Petterson, Gustav Erik"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "1642"]
[BlackElo "945"]
[PlyCount "35"]
[EventDate "2004.09.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NOR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Bc5 3. f4 exf4 4. Nf3 a6 5. d4 Ba7 6. Bxf4 d6 7. Bc4 h6 8. Qe2 Bg4 9. 0-0-0 Nf6 10. e5 dxe5 11. Bxf7+ Kxf7 12. Nxe5+ Kg8 13. Nxg4 Nxg4 14. Qxg4 Bxd4 15. Qe6+ Kh7 16. Qe4+ g6 17. Rxd4 Nd7 18. Qe6 1-0

[Event "Host Monrad"]
[Site "Tonsberg"]
[Date "2004.10.25"]
[Round "4"]
[White "Petterson, Gustav Erik"]
[Black "Brun, Nicolai"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "945"]
[BlackElo "1424"]
[PlyCount "117"]
[EventDate "2004.09.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NOR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. d3 Bc5 4. h3 h6 5. e4 Nc6 6. a3 a6 7. Nf3 d6 8. Be2 0-0 9. 0-0 Nh7 10. Be3 Ba7 11. Bxa7 Rxa7 12. Nd5 f5 13. exf5 Bxf5 14. Qd2 Be6 15. Nb4 Nxb4 16. axb4 Ra8 17. Qe3 Nf6 18. Nh4 Qd7 19. Ng6 Rf7 20. h4 Bg4 21. Bxg4 Qxg4 22. Qg3 h5 23. Rae1 Re8 24. Qxg4 Nxg4 25. f3 Nf6 26. d4 Kh7 27. dxe5 Ng8 28. e6 Rf6 29. Ne5 dxe5 30. Rxe5 g6 31. Rfe1 Ne7 32. Rd1 Nc6 33. Rd7+ Re7 34. Rxe7+ Nxe7 35. b5 axb5 36. cxb5 b6 37. Kf2 Kg7 38. Ke3 Nf5+ 39. Ke4 Nd6+ 40. Kd5 Rf5 41. Rxf5 Nxf5 42. Kc6 Kf6 43. Kd7 Nd6 44. e7 Kf7 45. b3 Kf6 46. e8Q Nxe8 47. Kxe8 Ke6 48. Kd8 Kd6 49. f4 c5 50. bxc6 Kxc6 51. b4 Kd5 52. Kc7 b5 53. Kb6 Kc4 54. Ka5 Kd4 55. Kxb5 Ke3 56. Kc5 Kxf4 57. b5 Kg4 58. b6 Kxh4 59. b7 1-0

[Event "Host Monrad"]
[Site "Tonsberg"]
[Date "2004.10.11"]
[Round "3"]
[White "Petterson, Gustav Erik"]
[Black "Moseid, Tor Inge"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "945"]
[BlackElo "1449"]
[PlyCount "36"]
[EventDate "2004.09.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NOR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. cxd5 exd5 5. d4 c6 6. Bg2 Bb4 7. Bd2 0-0 8. Nh3 Re8 9. 0-0 Bf5 10. Nxd5 Nxd5 11. Bxd5 Bxd2 12. Qxd2 Bxh3 13. Bg2 Bxg2 14. Kxg2 Qd5+ 15. Kg1 Nd7 16. e3 Ne5 17. Qe2 Nf3+ 18. Kh1 Nxd4+ 0-1

[Event "Host Monrad"]
[Site "Tonsberg"]
[Date "2004.09.27"]
[Round "2"]
[White "Johansen, Kjell Arne"]
[Black "Petterson, Gustav Erik"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "1577"]
[BlackElo "945"]
[PlyCount "53"]
[EventDate "2004.09.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NOR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d6 4. Bg2 Na6 5. e3 Nc5 6. d4 exd4 7. exd4 Ne6 8. Be3 c6 9. Nge2 d5 10. cxd5 cxd5 11. Qb3 Nc7 12. 0-0 Be6 13. Bg5 b6 14. Rfe1 Be7 15. Nf4 h6 16. Bxf6 Bxf6 17. Ncxd5 Nxd5 18. Nxd5 Rc8 19. Nxf6+ Qxf6 20. d5 0-0 21. dxe6 Rc7 22. Rad1 Re7 23. exf7+ Rexf7 24. Bd5 Qxf2+ 25. Kh1 Kh8 26. Bxf7 Rxf7 27. Qd3 1-0

[Event "Host Monrad"]
[Site "Tonsberg"]
[Date "2004.09.20"]
[Round "1"]
[White "Petterson, Gustav Erik"]
[Black "Moro, Julian"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "945"]
[PlyCount "129"]
[EventDate "2004.09.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NOR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be3 Nf6 5. Bd3 Nc6 6. h3 0-0 7. 0-0 h6 8. c3 a6 9. Qd2 b5 10. Bxh6 Bxh6 11. Qxh6 Nh7 12. Nbd2 e5 13. d5 Ne7 14. g3 Kh8 15. Kg2 Ng8 16. Qe3 c5 17. c4 bxc4 18. Nxc4 Ra7 19. Rh1 f6 20. h4 Rff7 21. Qd2 Nf8 22. Na5 Bb7 23. Nh2 Rh7 24. f4 exf4 25. Nxb7 Raxb7 26. Bxa6 Rbe7 27. Qxf4 Qb6 28. Bc8 Qxb2+ 29. Qf2 Qxf2+ 30. Kxf2 Rxe4 31. Rhe1 Rxe1 32. Rxe1 Rh5 33. Rd1 Ne7 34. Bb7 g5 35. Nf3 g4 36. Nh2 f5 37. Re1 Nfg6 38. Re6 f4 39. Rxd6 fxg3+ 40. Kxg3 Nf5+ 41. Kxg4 Nxd6 42. Kxh5 Nxb7 43. Kxg6 c4 44. Nf3 c3 45. Nd4 Nd6 46. a4 Nc4 47. Nc2 Kg8 48. Kf6 Kf8 49. h5 Nb6 50. a5 Nxd5+ 51. Kg6 Ne7+ 52. Kf6 Nd5+ 53. Ke5 Nc7 54. Kd4 Nb5+ 55. Kc4 Nc7 56. Kxc3 Kg7 57. Kc4 Kh6 58. Kc5 Ne6+ 59. Kb6 Nf8 60. a6 Nd7+ 61. Kc7 Nc5 62. a7 Na6+ 63. Kb7 Nc5+ 64. Kc6 Na6 65. a8Q 1-0

[Event "Tonsberg op"]
[Site "Tonsberg"]
[Date "2003.10.06"]
[Round "4"]
[White "Snorteland, Per"]
[Black "Petterson, Gustav Erik"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1274"]
[PlyCount "79"]
[EventDate "2003.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 c6 3. Nf3 d5 4. e5 c5 5. c3 cxd4 6. cxd4 Nc6 7. Nc3 a6 8. a3 Nge7 9. Bg5 h6 10. Bd2 Na5 11. Bd3 Nec6 12. 0-0 Qb6 13. Na4 Qa7 14. b4 Nc4 15. Bc3 b5 16. Nc5 Bxc5 17. bxc5 Rb8 18. Bxc4 dxc4 19. d5 exd5 20. Qxd5 Ne7 21. Qd6 0-0 22. Rad1 Bg4 23. Qd4 Bxf3 24. gxf3 Nf5 25. Qf4 g6 26. c6 Qb6 27. Qe4 Rbc8 28. Kh1 Qxc6 29. Qf4 Qc5 30. Rg1 Kh7 31. Bb4 Qxf2 32. Bxf8 Rxf8 33. Rg2 Qc5 34. Re2 Qxa3 35. Rd7 Qb3 36. e6 c3 37. Rxf7+ Kg8 38. Rxf8+ Kxf8 39. e7+ Ke8 40. Qe5 1-0

[Event "Tonsberg op"]
[Site "Tonsberg"]
[Date "2003.09.29"]
[Round "2"]
[White "Petterson, Gustav Erik"]
[Black "Haugan, Kristoffer"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "1335"]
[PlyCount "51"]
[EventDate "2003.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Bc4 c6 3. d3 d5 4. exd5 cxd5 5. Bb3 Nc6 6. a3 Nf6 7. Nf3 Be7 8. Bf4 0-0 9. 0-0 a6 10. Be5 Nxe5 11. Nxe5 Nd7 12. d4 Nxe5 13. dxe5 Bd7 14. f4 Qb6+ 15. Kh1 Bc6 16. Nd2 Rad8 17. Nf3 Bb5 18. Re1 Bc5 19. Ba2 Bf2 20. Qd2 Bxe1 21. Rxe1 Rc8 22. Re3 Rxc2 23. Qxc2 Qxe3 24. h3 Qxf4 25. Qc7 Bc6 26. Ne1 0-1

[Event "Tonsberg op"]
[Site "Tonsberg"]
[Date "2003.09.22"]
[Round "3"]
[White "Petterson, Gustav Erik"]
[Black "Baro, Terje"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1316"]
[PlyCount "30"]
[EventDate "2003.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 Bc5 5. Nc3 0-0 6. 0-0 h6 7. Bd2 d6 8. a3 Bg4 9. Qc1 Bxf3 10. Bxh6 Bh5 11. Bxg7 Kxg7 12. Qg5+ Bg6 13. g3 Nd4 14. f4 Nf3+ 15. Kg2 Nxg5 0-1

[Event "Tonsberg op"]
[Site "Tonsberg"]
[Date "2003.09.08"]
[Round "1"]
[White "Urdahl, Fredrik"]
[Black "Petterson, Gustav Erik"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "55"]
[EventDate "2003.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 d6 6. Nc3 h6 7. Re1 Bg4 8. h3 Bxf3 9. Qxf3 Nd4 10. Qd1 Qe7 11. Be3 0-0-0 12. Na4 Bb4 13. c3 d5 14. exd5 Nxd5 15. cxb4 Qxb4 16. Bxd4 exd4 17. Re5 c6 18. Rc1 Kb8 19. a3 Qd6 20. Qe1 b5 21. Bxd5 cxd5 22. Nc5 Rc8 23. b4 Qg6 24. Re7 Rc7 25. Qe5 Rhc8 26. Re8 Qc6 27. Na6+ Qxa6 28. Rxc7 1-0

