[Event "Honefoss CC-ch"]
[Site "Honefoss"]
[Date "2019.04.16"]
[Round "8"]
[White "Gundersen, Arvid"]
[Black "Ostebo, Roger E"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1641"]
[BlackElo "1989"]
[PlyCount "86"]
[EventDate "2019.01.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. axb5 cxb5 8. Bd2 Bxc3 9. Bxc3 a5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 0-0 14. 0-0 Nbd7 15. Re1 Re8 16. e4 e5 17. Nxe5 Nxe5 18. dxe5 Nd7 19. f4 Qb6+ 20. Kh1 Nc5 21. Bf1 Nxe4 22. Bd4 Qg6 23. Ra2 Rad8 24. Qa1 Qg4 25. Be3 Nc3 26. Rf2 Nd1 27. Rfe2 Nxe3 28. Rxe3 Qxf4 29. Qxa5 Rb8 30. Rb3 Qf2 31. Qa1 Bc6 32. Qc1 Qf5 33. Qe3 h6 34. c5 Bd5 35. Rb2 b3 36. Rf2 Qe6 37. Bd3 f6 38. Bf5 Qxe5 39. Qxe5 Rxe5 40. Rxe5 fxe5 41. Re2 Rf8 42. Rxe5 b2 43. Rxd5 b1Q+ 0-1

[Event "Honefoss CC-ch"]
[Site "Honefoss"]
[Date "2017.03.14"]
[Round "6"]
[White "Ostebo, Roger E"]
[Black "Gundersen, Arvid"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1770"]
[BlackElo "1381"]
[PlyCount "97"]
[EventDate "2017.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bf4 c6 6. e3 Bf5 7. Bd3 Bxd3 8. Qxd3 Nbd7 9. Nf3 Bb4 10. 0-0 0-0 11. a3 Be7 12. Rfe1 Nh5 13. Bg3 Nxg3 14. hxg3 Nf6 15. e4 dxe4 16. Nxe4 Nxe4 17. Rxe4 Bf6 18. Rae1 Qb6 19. Qe2 h6 20. Ne5 Rad8 21. Qc4 Rd5 22. b4 Rfd8 23. Rf4 Bxe5 24. Rxe5 Qc7 25. Re3 b5 26. Qe2 R5d7 27. Ree4 Kf8 28. Qc2 Kg8 29. Re5 Rd5 30. Rfe4 Rxe5 31. Rxe5 Qd6 32. Qe4 Qd7 33. g4 g6 34. g5 h5 35. Rc5 Qxd4 36. Qxc6 Qa1+ 37. Kh2 Qxa3 38. Qf6 Qd3 39. Rxb5 Qd6+ 40. Qxd6 Rxd6 41. Rb8+ Kg7 42. Rb7 Rb6 43. Rxb6 axb6 44. Kg3 f5 45. Kf4 Kf7 46. Ke5 Ke7 47. f4 h4 48. b5 Kf7 49. Kd6 1-0

[Event "Honefoss CC-ch"]
[Site "Honefoss"]
[Date "2016.04.04"]
[Round "5"]
[White "Gundersen, Arvid"]
[Black "Thingstad, Tormod"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "1326"]
[BlackElo "1200"]
[PlyCount "129"]
[EventDate "2016.02.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 Re8 8. Qc2 Nbd7 9. Nge2 c6 10. 0-0 Nf8 11. f3 h6 12. Bh4 b6 13. Bf2 c5 14. dxc5 bxc5 15. b3 Bb7 16. Rac1 Rc8 17. Rfd1 a6 18. Ng3 Ne6 19. Nf5 Kf8 20. Qb1 Rc7 21. Rc2 Qa8 22. Na4 Rc6 23. Rdc1 Nd7 24. Qb2 Bf6 25. Qa3 Rec8 26. Nc3 R6c7 27. Nd6 Rd8 28. Nxb7 Qxb7 29. Qxa6 Qxa6 30. Bxa6 Ra8 31. Bf1 Bxc3 32. Rxc3 Rxa2 33. Bg3 Rca7 34. Bb5 Ke7 35. Bh4+ f6 36. Bg3 Rb2 37. Bc6 Raa2 38. Bxd5 Rxg2+ 39. Kh1 g5 40. f4 Rgd2 41. Bc4 Ng7 42. fxg5 hxg5 43. Rd3 Nf5 44. Rxd2 Rxd2 45. Be1 Rd6 46. b4 Nxe3 47. bxc5 Rd1 48. Rxd1 Nxd1 49. c6 Nb6 50. Be2 Ne3 51. Bf2 Ned5 52. Bg3 Nf4 53. Bxf4 gxf4 54. Kg2 Kd6 55. Bf3 Nc8 56. h4 Ne7 57. Kh3 Nxc6 58. Bxc6 Kxc6 59. Kg4 f3 60. Kxf3 Kd6 61. h5 Ke6 62. h6 Kf7 63. h7 Kg7 64. h8Q+ Kxh8 65. Kf4 1/2-1/2

[Event "Ringerikshallen CC-ch"]
[Site "Ringerikshallen"]
[Date "2015.03.24"]
[Round "6"]
[White "Gundersen, Arvid"]
[Black "Tunheim, Ole Christian"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "1374"]
[BlackElo "974"]
[PlyCount "73"]
[EventDate "2015.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nc3 e6 4. e4 h6 5. Nf3 d6 6. Bd3 Nbd7 7. 0-0 b6 8. Re1 Be7 9. e5 Ng8 10. b3 Bb7 11. Bf4 d5 12. cxd5 cxd5 13. Nb5 Bb4 14. Nd6+ Bxd6 15. exd6 Qf6 16. Qd2 Qd8 17. Rac1 Rc8 18. Rxc8 Bxc8 19. Rc1 Ngf6 20. Rc7 a5 21. Qc1 0-0 22. Ne5 g5 23. Be3 Nxe5 24. dxe5 Bd7 25. exf6 e5 26. Bxg5 e4 27. Bxh6 Qxf6 28. Bxf8 Kxf8 29. Rxd7 exd3 30. Kf1 Qe6 31. Rd8+ Kg7 32. Qg5+ Kh7 33. Qh5+ Kg7 34. Qh8+ Kg6 35. Rg8+ Kf5 36. Qh5+ Ke4 37. Rg4+ 1-0

[Event "Ringerikshallen CC-ch"]
[Site "Ringerikshallen"]
[Date "2015.03.17"]
[Round "5"]
[White "Marvin, Asle"]
[Black "Gundersen, Arvid"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "1430"]
[BlackElo "1374"]
[PlyCount "29"]
[EventDate "2015.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 h6 6. Bh4 dxc4 7. a4 Bb4 8. e3 g5 9. Nxg5 hxg5 10. Bxg5 b5 11. axb5 cxb5 12. Qf3 Qd5 13. Qxf6 Rg8 14. Bh4 Nd7 15. Qd8# 1-0

[Event "Ringerikshallen CC-ch"]
[Site "Ringerikshallen"]
[Date "2015.02.10"]
[Round "3"]
[White "Norbakken, Eirik"]
[Black "Gundersen, Arvid"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "1144"]
[BlackElo "1374"]
[PlyCount "61"]
[EventDate "2015.01.13"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bf4 e5 7. Bg5 exd4 8. Qxd4 Bg7 9. Bb5+ Nc6 10. Nd5 Nh5 11. Qe3 Qa5+ 12. b4 Qxb5 13. Nc7+ Kf8 14. Nxb5 Bxa1 15. 0-0 Be5 16. f4 Bg7 17. Qd2 Be6 18. Nc7 Bd4+ 19. Kh1 Rc8 20. Nxe6+ fxe6 21. b5 Bc5 22. bxc6 Rxc6 23. Bh6+ Ke7 24. g4 Nf6 25. Bg5 Kf7 26. Qc3 e5 27. fxe5 dxe5 28. Rxf6+ Rxf6 29. Bxf6 Bd4 30. Qxd4 exd4 31. Bxh8 1-0

[Event "Honefoss CC-ch"]
[Site "Honefoss"]
[Date "2014.02.11"]
[Round "3"]
[White "Ostebo, Roger E"]
[Black "Gundersen, Arvid"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "1758"]
[BlackElo "1407"]
[PlyCount "111"]
[EventDate "2014.01.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nf3 d6 4. e3 g6 5. h4 Bg7 6. h5 Nxh5 7. Rxh5 gxh5 8. Nc3 e6 9. e4 h6 10. g3 Nd7 11. exf5 Nf6 12. Qe2 Qe7 13. Nh4 exf5 14. Qxe7+ Kxe7 15. Ng6+ Kf7 16. Nxh8+ Bxh8 17. Bxh6 Bd7 18. Be3 c6 19. f3 d5 20. c5 Bg7 21. Rd1 Rh8 22. Bg5 Ne8 23. Ne2 Bf6 24. Bxf6 Nxf6 25. Rd3 h4 26. gxh4 Rxh4 27. b4 f4 28. a4 a6 29. Rb3 Nh5 30. Kf2 Bf5 31. Rc3 Bb1 32. b5 Ba2 33. bxc6 bxc6 34. Nc1 Bb1 35. Rb3 Bc2 36. Rb7+ Kg6 37. Bd3+ Bxd3 38. Nxd3 Rh2+ 39. Ke1 Ra2 40. Ne5+ Kh6 41. Nxc6 Ra1+ 42. Kf2 Ra2+ 43. Kg1 Ng3 44. Rb4 Ra1+ 45. Kg2 Ra2+ 46. Kh3 Kg5 47. Ne5 Nf1 48. Ng4 Nd2 49. Nh2 Ra3 50. Kg2 Ra2 51. Nf1 Ne4+ 52. Kg1 Nc3 53. c6 Ne2+ 54. Kh1 Rc2 55. Rb6 Nxd4 56. Rxa6 1/2-1/2

[Event "NOR-ch Seniors-B"]
[Site "Lillehammer"]
[Date "2013.06.29"]
[Round "7"]
[White "Gundersen, Arvid"]
[Black "Runde, Per Steinar"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1455"]
[BlackElo "1409"]
[PlyCount "71"]
[EventDate "2013.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be6 7. e3 Nbd7 8. Bd3 Qa5 9. Nge2 Bd6 10. Bf4 Be7 11. 0-0 0-0 12. a3 Qd8 13. b4 a6 14. Rab1 h6 15. a4 b5 16. f3 Nh5 17. Bg3 Nxg3 18. Nxg3 Nb6 19. Rfd1 Nc4 20. Bxc4 bxc4 21. b5 a5 22. e4 Qd7 23. bxc6 Qxc6 24. exd5 Bxd5 25. Nxd5 Qxd5 26. Rb5 Qd7 27. Qxc4 Rfc8 28. Qd3 Bb4 29. Ne4 Qa7 30. Kh1 Rc7 31. g3 Rac8 32. d5 f5 33. Nd2 Bxd2 34. Qxd2 Rc2 35. Qe1 Qf2 36. d6 0-1

[Event "NOR-ch Seniors-B"]
[Site "Lillehammer"]
[Date "2013.06.29"]
[Round "1"]
[White "Gundersen, Arvid"]
[Black "Skjaeveland, Olav"]
[Result "1-0"]
[ECO "A92"]
[WhiteElo "1455"]
[BlackElo "1173"]
[PlyCount "69"]
[EventDate "2013.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 c6 4. Bg2 e6 5. Nf3 Be7 6. 0-0 0-0 7. Qc2 Na6 8. a3 Nc7 9. Nbd2 d5 10. Ne5 Nce8 11. c5 Ne4 12. Nxe4 fxe4 13. Bf4 g5 14. Bd2 Ng7 15. e3 Rf6 16. f3 exf3 17. Bxf3 Nf5 18. Rae1 Qf8 19. Qd3 Qg7 20. e4 Nh6 21. exd5 exd5 22. b4 Bh3 23. Bg2 Bf5 24. Qb3 Nf7 25. b5 Rd8 26. bxc6 bxc6 27. Nxc6 Rxc6 28. Rxe7 Rf8 29. Rxf5 Qxd4+ 30. Be3 Qa1+ 31. Rf1 Qg7 32. Bxd5 Rf6 33. Rxf6 Qxf6 34. Rxf7 Rxf7 35. Bxf7+ 1-0

[Event "NOR-ch Seniors-B"]
[Site "Lillehammer"]
[Date "2013.06.29"]
[Round "3"]
[White "Lovaas, Tore Hoe"]
[Black "Gundersen, Arvid"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1443"]
[BlackElo "1455"]
[PlyCount "66"]
[EventDate "2013.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. f4 d5 2. b3 Bg4 3. Nf3 Bxf3 4. exf3 e6 5. Bb2 Nf6 6. Nc3 c5 7. Bb5+ Nc6 8. Bxc6+ bxc6 9. 0-0 Bd6 10. g3 0-0 11. Qe2 Re8 12. Na4 Qe7 13. Qa6 Rac8 14. Rae1 d4 15. Ba3 Nd5 16. Ra1 Nb4 17. Qc4 Rb8 18. Rfc1 Rb5 19. c3 dxc3 20. Nxc3 Rbb8 21. Ne4 a5 22. Nxc5 Qa7 23. Kg2 Rbd8 24. Ne4 Be7 25. Rd1 Rd4 26. Qc3 f5 27. Bb2 Red8 28. Nf2 Qd7 29. Bc1 h6 30. Nh3 Bf6 31. Qc5 Rd5 32. Qc4 Bxa1 33. Ba3 Rxd2+ 0-1

[Event "Honefoss CC-ch"]
[Site "Honefoss"]
[Date "2012.02.28"]
[Round "5"]
[White "Gundersen, Arvid"]
[Black "Ostebo, Roger E"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1459"]
[BlackElo "1707"]
[PlyCount "45"]
[EventDate "2012.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. axb5 cxb5 8. Bd2 Bxc3 9. Bxc3 a5 10. b3 Bb7 11. bxc4 b4 12. Bd2 Nf6 13. Bd3 0-0 14. 0-0 Nbd7 15. Ne1 e5 16. d5 e4 17. Be2 Qc7 18. f3 Nc5 19. fxe4 Nfxe4 20. Nd3 Nxd2 21. Qxd2 Nb3 22. Qc2 Nxa1 23. e4 0-1

[Event "Honefoss CC-ch"]
[Site "Honefoss"]
[Date "2009.01.13"]
[Round "1"]
[White "Ostebo, Roger E"]
[Black "Gundersen, Arvid"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "1760"]
[BlackElo "1440"]
[PlyCount "123"]
[EventDate "2009.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NOR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. b3 Bb4 7. Bd2 0-0 8. Bd3 Re8 9. Qc2 e5 10. dxe5 Nxe5 11. Nxe5 Rxe5 12. a3 dxc4 13. Bxc4 Bf5 14. Qb2 Bd6 15. b4 Qc7 16. Rc1 Re7 17. h3 Rae8 18. Be2 Qb8 19. 0-0 Bh2+ 20. Kh1 Be5 21. Qa2 Qc8 22. h4 Bg4 23. f3 Be6 24. Qc2 Nh5 25. Be1 Ng3+ 26. Bxg3 Bxg3 27. h5 Bf5 28. e4 Be6 29. Bd3 Qc7 30. Ne2 Qe5 31. Qc5 Qxc5 32. bxc5 Be5 33. Rfd1 Bb2 34. Rb1 Bxa3 35. Nf4 Bxc5 36. Nxe6 Rxe6 37. Rxb7 Rd6 38. Rc1 Be3 39. Rc3 Red8 40. Bc4 Rd1+ 41. Kh2 Bf4+ 42. Kh3 R1d7 43. Rcb3 h6 44. Kg4 Bg5 45. Rxd7 Rxd7 46. Rb8+ Kh7 47. Rf8 a5 48. Bxf7 Rxf7 49. Rxf7 c5 50. f4 Bd8 51. Rd7 Bb6 52. Rb7 Bd8 53. Rb5 c4 54. Rc5 a4 55. Rxc4 a3 56. Ra4 Be7 57. Kf5 Bf8 58. e5 Be7 59. g4 Bc5 60. e6 Be7 61. g5 hxg5 62. fxg5 1-0

