[Event "Karlstad op"]
[Site "Karlstad"]
[Date "2023.12.29"]
[Round "6"]
[White "Kallen, Jonas"]
[Black "Lind, Jan Olov"]
[Result "1-0"]
[ECO "B37"]
[WhiteElo "2011"]
[BlackElo "2148"]
[PlyCount "97"]
[EventDate "2023.12.27"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CB01_2024"]
[SourceDate "2024.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c4 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Nc2 Nf6 7. Nc3 d6 8. Be2 0-0 9. 0-0 Bd7 10. Bg5 Rc8 11. Qd2 Na5 12. Na3 Be6 13. b3 a6 14. Rac1 Nc6 15. f3 Qa5 16. Nab1 Rfe8 17. Rfd1 Nd7 18. Be3 f5 19. exf5 Qxf5 20. Ne4 Kh8 21. Bd3 Qa5 22. Qxa5 Nxa5 23. Nbc3 Bg8 24. Nd5 Nc6 25. Bb1 b5 26. cxb5 axb5 27. a4 bxa4 28. bxa4 Bxd5 29. Rxd5 Nb4 30. Rxc8 Rxc8 31. Rb5 Nc6 32. Rb7 Ncb8 33. Ba2 Nc5 34. Nxc5 dxc5 35. Be6 Rd8 36. Bxc5 Na6 37. Bxe7 Rd2 38. Bc4 Bd4+ 39. Kf1 Nc5 40. Rb8+ Kg7 41. Rd8 Nxa4 42. Ke1 Rxg2 43. Rxd4 Rxh2 44. Bb3 Nc3 45. Bg5 Re2+ 46. Kf1 h5 47. Rd7+ Kf8 48. Rc7 Re5 49. Bh6+ 1-0

[Event "Karlstad op"]
[Site "Karlstad"]
[Date "2023.12.29"]
[Round "7"]
[White "Krantz, Christopher"]
[Black "Kallen, Jonas"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2257"]
[BlackElo "2011"]
[PlyCount "75"]
[EventDate "2023.12.27"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CB01_2024"]
[SourceDate "2024.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.03"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 cxd4 6. exd4 Qb6 7. Nb3 Bf5 8. c3 e6 9. a4 a6 10. a5 Qd8 11. Be2 Be7 12. Ne5 Nxe5 13. Bxe5 0-0 14. 0-0 Rc8 15. Re1 Nd7 16. Bg3 Bh4 17. Bxh4 Qxh4 18. Ra4 Rc7 19. Nc1 Qg5 20. Bd3 Nb8 21. Bxf5 Qxf5 22. Nd3 Nc6 23. Qd2 Re7 24. f4 f6 25. Raa1 Rfe8 26. Rf1 Qh5 27. b4 Na7 28. f5 exf5 29. Nf4 Qf7 30. c4 dxc4 31. d5 Rd7 32. Qd4 Nb5 33. Qxc4 Nc7 34. Rad1 Re5 35. Rd4 Nxd5 36. Nd3 Re4 37. Rxe4 fxe4 38. Qc8+ 1-0

[Event "Karlstad op"]
[Site "Karlstad"]
[Date "2023.12.28"]
[Round "5"]
[White "Ernst, Thomas"]
[Black "Kallen, Jonas"]
[Result "1/2-1/2"]
[ECO "C89"]
[WhiteElo "2298"]
[BlackElo "2011"]
[PlyCount "84"]
[EventDate "2023.12.27"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CB01_2024"]
[SourceDate "2024.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.03"]
[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. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Re4 g5 16. Qe1 Bf5 17. Nd2 Bxe4 18. Nxe4 Be7 19. Nxg5 Bxg5 20. Bxg5 Rfe8 21. Qd2 Re6 22. Bc2 Rae8 23. Bd3 h6 24. Bh4 Kg7 25. Rf1 Nf6 26. Bxf6+ Rxf6 27. a4 Qg4 28. axb5 axb5 29. d5 Qd7 30. dxc6 Rxc6 31. Qc2 Rd6 32. Bf5 Qc6 33. Bh3 Qc4 34. Qf5 Rf6 35. Qd7 Re5 36. Bg2 Qe6 37. Qd4 Re2 38. b3 Qe5 39. Qg4+ Rg6 40. Qb4 Rf6 41. Qg4+ Rg6 42. Qb4 Rf6 1/2-1/2

[Event "Gothenburg Kvibergspelen"]
[Site "Gothenburg"]
[Date "2023.09.16"]
[Round "6"]
[White "Kallen, Jonas"]
[Black "Nygren, Kim"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "2020"]
[BlackElo "2171"]
[PlyCount "102"]
[EventDate "2023.09.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 h6 6. h3 d6 7. Na4 Bb6 8. Nxb6 axb6 9. a3 0-0 10. 0-0 Be6 11. Bxe6 fxe6 12. Qe2 Qe8 13. c3 Qh5 14. Re1 g5 15. Nh2 Qg6 16. Bd2 Rf7 17. Rad1 Raf8 18. f3 h5 19. Rf1 Ne7 20. d4 Nd7 21. Bc1 Qf6 22. dxe5 Qxe5 23. Qe3 Rg7 24. Qd4 Qb5 25. h4 Nc6 26. Qd3 Qxd3 27. Rxd3 Nce5 28. Rdd1 g4 29. fxg4 Rxf1+ 30. Rxf1 Nxg4 31. Bg5 Nxh2 32. Kxh2 Ne5 33. Kg1 Nc4 34. Rf2 Rf7 35. Bc1 Ne5 36. Rxf7 Kxf7 37. b3 b5 38. Kf1 Nd7 39. Be3 Nf6 40. e5 Ng4 41. Bf4 dxe5 42. Bg5 Kg6 43. Ke2 Kf5 44. Kf3 c6 45. Bd8 e4+ 46. Kg3 Ne3 47. Bg5 Nd5 48. Bd2 e3 49. Be1 Ke4 50. Kh3 Nf4+ 51. Kh2 Nd3 0-1

[Event "Gothenburg Kvibergspelen"]
[Site "Gothenburg"]
[Date "2023.09.16"]
[Round "5"]
[White "Ljung, Harald"]
[Black "Kallen, Jonas"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2164"]
[BlackElo "2020"]
[PlyCount "86"]
[EventDate "2023.09.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. 0-0 Bd6 6. c4 c6 7. Qb3 Qc8 8. Nc3 h6 9. Bd2 0-0 10. Rac1 dxc4 11. Qxc4 Nbd7 12. Rfe1 Ne4 13. Nxe4 Bxe4 14. Bh3 Bxf3 15. exf3 Nb6 16. Qb3 Nd5 17. f4 Qc7 18. Bc3 g6 19. Qd1 Rfe8 20. Bg2 Qd7 21. h4 h5 22. Qa4 Bf8 23. Rcd1 Bg7 24. Qc4 Ne7 25. a4 Nf5 26. Rd2 Rab8 27. a5 a6 28. Red1 Rbd8 29. Qc5 Bf8 30. Qc4 Nd6 31. Qe2 Bg7 32. Bf3 Nb5 33. g4 hxg4 34. Bxg4 Qe7 35. h5 gxh5 36. Bxh5 Qh4 37. Qg4 Qxg4+ 38. Bxg4 Rd5 39. f5 exf5 40. Bf3 Rd6 41. Rd3 Red8 42. d5 Bxc3 43. bxc3 cxd5 1/2-1/2

[Event "Gothenburg Kvibergspelen"]
[Site "Gothenburg"]
[Date "2023.09.15"]
[Round "2"]
[White "Kallen, Jonas"]
[Black "Olsson, William"]
[Result "0-1"]
[ECO "B74"]
[WhiteElo "2020"]
[BlackElo "2376"]
[PlyCount "94"]
[EventDate "2023.09.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[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. Be2 Bg7 7. 0-0 0-0 8. Be3 a6 9. a4 Nc6 10. Nb3 b6 11. f3 Nd7 12. Qd2 Re8 13. a5 b5 14. Ra2 Bb7 15. Nd5 Rc8 16. c3 Nce5 17. Nb6 Nxb6 18. Bxb6 Qd7 19. Nd4 d5 20. f4 Nc4 21. Bxc4 dxc4 22. Qe2 e5 23. fxe5 Rxe5 24. Raa1 Rxe4 25. Qf2 Rce8 26. Rae1 f5 27. Rxe4 Rxe4 28. Re1 Qe8 29. Rxe4 Qxe4 30. Nf3 b4 31. Qd2 Qd3 32. Qe1 Be4 33. Bd4 Bxd4+ 34. Nxd4 Kg7 35. h3 bxc3 36. Qxc3 Kf6 37. Kf2 Qxc3 38. bxc3 f4 39. g3 g5 40. gxf4 gxf4 41. h4 Ke5 42. Ke2 Bd5 43. Nc2 Kf5 44. Kf2 Kg4 45. Nd4 Kxh4 46. Nf5+ Kg5 47. Ne7 Bb7 0-1

[Event "Parnu Keres Memorial op"]
[Site "Parnu"]
[Date "2023.07.25"]
[Round "2"]
[White "Blomqvist, Erik"]
[Black "Kallen, Jonas"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2500"]
[BlackElo "2032"]
[PlyCount "59"]
[EventDate "2023.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "EST"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. 0-0 g6 5. d3 Bg7 6. Nbd2 0-0 7. e4 dxe4 8. dxe4 e6 9. Qe2 b6 10. e5 Nfd7 11. Re1 Qc7 12. h4 h5 13. Nc4 Ba6 14. Bf4 c5 15. Rad1 Nc6 16. Qe4 Bxc4 17. Qxc4 Rad8 18. Qe4 Ndb8 19. Rd6 Rfe8 20. Ng5 Nd4 21. g4 hxg4 22. h5 gxh5 23. Qh7+ Kf8 24. Qxh5 Nf5 25. Be4 Rxd6 26. exd6 Qd7 27. Qxg4 f6 28. Nh7+ Kf7 29. Bxf5 exf5 30. Qh5+ 1-0

[Event "Deltalift op"]
[Site "Tylosand"]
[Date "2023.05.20"]
[Round "8"]
[White "Kallen, Jonas"]
[Black "Crevatin, Leo"]
[Result "1/2-1/2"]
[ECO "D24"]
[WhiteElo "2004"]
[BlackElo "2272"]
[PlyCount "54"]
[EventDate "2023.05.18"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nf3 Nf6 4. Nc3 dxc4 5. e3 a6 6. a4 b6 7. Bxc4 Bb7 8. 0-0 Bb4 9. Ne5 0-0 10. Qb3 Qe7 11. f3 c5 12. dxc5 Bxc5 13. Nd3 Nc6 14. Nxc5 Qxc5 15. Be2 Rfd8 16. Qc4 Qh5 17. Qb3 Qa5 18. Rd1 Rxd1+ 19. Qxd1 Rd8 20. Bd2 Qg5 21. Qe1 Ne5 22. Kh1 h5 23. Rd1 Nd3 24. Bxd3 Rxd3 25. e4 Qc5 26. Bf4 Rxd1 27. Qxd1 b5 1/2-1/2

[Event "Deltalift op"]
[Site "Tylosand"]
[Date "2023.05.18"]
[Round "2"]
[White "Kallen, Jonas"]
[Black "Lindberg, Bengt"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2004"]
[BlackElo "2353"]
[PlyCount "58"]
[EventDate "2023.05.18"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. 0-0 d5 9. Qc2 Nbd7 10. Re1 Ne4 11. Nc3 f5 12. Bf4 0-0 13. Ne5 Rc8 14. Nxd7 Qxd7 15. Be5 Nd6 16. cxd5 cxd5 17. Qd2 Nf7 18. a3 Nxe5 19. dxe5 Qc7 20. Nxd5 exd5 21. Qxd5+ Kh8 22. f4 Rcd8 23. Qf3 Rd2 24. Rac1 Qd8 25. b4 Bc8 26. Qc3 a5 27. Bf3 axb4 28. axb4 Be6 29. e4 Rd3 0-1

[Event "Copenhagen Challenge"]
[Site "Ballerup"]
[Date "2010.??.??"]
[Round "9"]
[White "Kallen, Jonas"]
[Black "Andersen, Daniel"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1893"]
[BlackElo "1948"]
[PlyCount "39"]
[EventDate "2010.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 e6 2. g3 f5 3. Nc3 Nf6 4. Bg2 d5 5. e3 c6 6. Nge2 Bd6 7. 0-0 0-0 8. b3 Nbd7 9. d3 dxc4 10. bxc4 e5 11. d4 e4 12. Qb3 Kh8 13. Rd1 Rg8 14. Nf4 g5 15. Ne6 Qe7 16. c5 Bb8 17. Bb2 h5 18. d5 Kh7 19. d6 Qf7 20. Nxg5+ 1-0

[Event "Copenhagen Challenge"]
[Site "Ballerup"]
[Date "2010.??.??"]
[Round "4"]
[White "Kallen, Jonas"]
[Black "Christensen, Casper"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "1893"]
[BlackElo "1893"]
[PlyCount "113"]
[EventDate "2010.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 Nf6 4. Nc3 0-0 5. e4 d6 6. Nge2 c5 7. 0-0 Nc6 8. d4 cxd4 9. Nxd4 Bd7 10. Nb3 b6 11. Bf4 Qc8 12. Rc1 Bh3 13. Nd5 Bxg2 14. Kxg2 Qb7 15. Re1 Nh5 16. Qd2 Nxf4+ 17. Nxf4 Ne5 18. Qe2 Rac8 19. Nd2 Qa6 20. b3 Nc6 21. Nf3 Rfe8 22. Qd2 Bh6 23. g4 Ne5 24. h4 Nxg4 25. Ng5 Nf6 26. f3 b5 27. cxb5 Qxb5 28. Rxc8 Rxc8 29. Nd5 Nxd5 30. Qxd5 Qxd5 31. exd5 Rc2+ 32. Kf1 Bf8 33. Re2 Rc3 34. Kf2 Rd3 35. Rc2 Rxd5 36. a4 h6 37. Ne4 f5 38. Ng3 Kf7 39. Rc7 Bg7 40. Ke2 a5 41. f4 Rd4 42. h5 Bf6 43. Ra7 Bh4 44. hxg6+ Kxg6 45. Nxf5 Kxf5 46. Rxa5+ Kxf4 47. Rb5 Ke4 48. a5 Rd5 49. Rb4+ Kf5 50. Rxh4 Kg5 51. Ra4 Rb5 52. a6 Rb8 53. a7 Ra8 54. b4 h5 55. b5 h4 56. b6 h3 57. b7 1-0

[Event "Copenhagen Challenge"]
[Site "Ballerup"]
[Date "2010.??.??"]
[Round "2"]
[White "Kallen, Jonas"]
[Black "Peschardt, Soren"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1893"]
[BlackElo "2069"]
[PlyCount "66"]
[EventDate "2010.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. Bg2 e5 4. d4 e4 5. Nc3 Bb4 6. Bg5 0-0 7. e3 Bxc3+ 8. bxc3 h6 9. Bxf6 Qxf6 10. h4 b6 11. Ne2 Ba6 12. Qb3 Qf7 13. d5 Bb7 14. h5 Na6 15. Nf4 Nc5 16. Qd1 Rfe8 17. Bf1 c6 18. Rg1 Rac8 19. g4 fxg4 20. Rxg4 Re5 21. Qd4 Rg5 22. Rxg5 hxg5 23. Ng6 Re8 24. d6 Qf6 25. Qxf6 gxf6 26. 0-0-0 Kf7 27. Bh3 Nd3+ 28. Rxd3 exd3 29. Bxd7 Rd8 30. Bf5 Rxd6 31. h6 d2+ 32. Kd1 c5 33. e4 Bc6 0-1

[Event "Copenhagen Challenge"]
[Site "Ballerup"]
[Date "2010.??.??"]
[Round "6"]
[White "Kallen, Jonas"]
[Black "Poulsen, Iver"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "1893"]
[BlackElo "2140"]
[PlyCount "95"]
[EventDate "2010.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Nf3 c6 4. Bg2 Nf6 5. 0-0 Nbd7 6. b3 Bd6 7. Bb2 Qe7 8. d3 0-0 9. Nbd2 e5 10. e4 Nc5 11. Qc2 dxe4 12. dxe4 a5 13. Rfe1 Bg4 14. h3 Bh5 15. Nh4 Bg6 16. Nxg6 hxg6 17. Bc3 Nfd7 18. a3 Ne6 19. Qb2 Ndc5 20. Bf1 f6 21. Nf3 Rfd8 22. Qc2 Nd7 23. Bb2 c5 24. Nh4 Kf7 25. f4 Nd4 26. Bxd4 cxd4 27. f5 gxf5 28. Nxf5 Qf8 29. Qd1 g6 30. Nh4 Qe7 31. Qg4 Rg8 32. c5 Nxc5 33. Bc4+ Ne6 34. Rf1 Rae8 35. Rf3 Qd7 36. Raf1 Be7 37. Qg5 Rg7 38. a4 b5 39. axb5 Kg8 40. Qg4 Kf7 41. b6 Bd8 42. Bd5 g5 43. Qh5+ Kf8 44. Ng6+ Kg8 45. Qh8+ Kf7 46. Nxe5+ Ke7 47. Qh6 Kd6 48. Nxd7 1-0

[Event "Copenhagen Challenge"]
[Site "Ballerup"]
[Date "2010.??.??"]
[Round "8"]
[White "Molvig, Henrik"]
[Black "Kallen, Jonas"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2193"]
[BlackElo "1893"]
[PlyCount "99"]
[EventDate "2010.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bh4 dxc4 7. e4 g5 8. Bg3 b5 9. h4 g4 10. Ne5 h5 11. Be2 Bb7 12. 0-0 Nbd7 13. a3 Bh6 14. b3 cxb3 15. Qxb3 0-0 16. Rfd1 Qe7 17. Nc4 Nb6 18. Nd6 Rfd8 19. e5 Nfd5 20. Nce4 Nc8 21. f3 Be3+ 22. Kh1 Kh8 23. Nf6 Nxd6 24. exd6 Rxd6 25. Qd3 Nxf6 26. Qxe3 Rd5 27. Be5 Rxe5 28. dxe5 Nh7 29. g3 c5 30. Kh2 c4 31. fxg4 hxg4 32. Bxg4 Rg8 33. Bf3 Bxf3 34. Qxf3 Qc5 35. Re1 Rf8 36. Rad1 f6 37. Qe3 Qc6 38. Rd6 Qb7 39. Rxe6 a5 40. Rb6 Qd5 41. e6 Re8 42. e7 f5 43. Qe5+ Qxe5 44. Rxe5 c3 45. Rbxb5 Nf6 46. Rxf5 Kg7 47. Rbc5 Ne4 48. Rc7 c2 49. Rxc2 Rxe7 50. Re2 1-0

[Event "Copenhagen Challenge"]
[Site "Ballerup"]
[Date "2010.??.??"]
[Round "3"]
[White "Olsen, Aage Dalstrup"]
[Black "Kallen, Jonas"]
[Result "1-0"]
[ECO "C59"]
[WhiteElo "2095"]
[BlackElo "1893"]
[PlyCount "79"]
[EventDate "2010.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bd6 11. d4 exd3 12. Nxd3 0-0 13. 0-0 Qc7 14. h3 Ba6 15. b3 Rad8 16. Bb2 Nd5 17. Nd2 c5 18. c4 Nf4 19. Nxf4 Bxf4 20. Bc3 Rfe8 21. Bf3 Bxd2 22. Bxd2 Bxc4 23. Re1 Be6 24. Qc2 c4 25. Qc3 Nb7 26. Rac1 Nc5 27. Re3 cxb3 28. axb3 Qb6 29. Bd1 Qd6 30. Rg3 f6 31. Bxh6 Ne4 32. Rxg7+ Kh8 33. Qb2 Rg8 34. Bf3 Rxg7 35. Bxg7+ Kxg7 36. Bxe4 Rb8 37. Qa1 Qe7 38. Qa5 Rxb3 39. Rc7 Bd7 40. Bf5 1-0

[Event "Copenhagen Challenge"]
[Site "Ballerup"]
[Date "2010.??.??"]
[Round "5"]
[White "Petrovski, Petruli"]
[Black "Kallen, Jonas"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1818"]
[BlackElo "1893"]
[PlyCount "86"]
[EventDate "2010.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 g6 4. 0-0 Bg7 5. d3 d5 6. c4 0-0 7. Na3 Nc6 8. Rb1 e5 9. cxd5 Nxd5 10. Nc2 h6 11. Ne3 Nce7 12. a3 Be6 13. Nc4 Nc6 14. e4 Nc7 15. b3 Nb5 16. Bb2 Qc7 17. Nh4 Qe7 18. a4 Nbd4 19. Nf3 Bg4 20. h3 Nxf3+ 21. Bxf3 Bxh3 22. Re1 h5 23. Ne3 Nb4 24. Bc3 Bh6 25. Nc4 Nc6 26. Bxh5 Rad8 27. Be2 Bg7 28. Qc2 Be6 29. Rbd1 Rd7 30. Kg2 Rfd8 31. Rh1 Nd4 32. Bxd4 Rxd4 33. Rh2 a6 34. Rdh1 b5 35. axb5 axb5 36. Nd2 c4 37. bxc4 bxc4 38. Nxc4 Bxc4 39. Qc1 Bxd3 40. Bxd3 Rxd3 41. f4 Rd2+ 42. Kf3 exf4 43. gxf4 R8d3+ 0-1

[Event "Copenhagen Challenge"]
[Site "Ballerup"]
[Date "2010.??.??"]
[Round "7"]
[White "Rosenkilde, Alexander"]
[Black "Kallen, Jonas"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2207"]
[BlackElo "1893"]
[PlyCount "53"]
[EventDate "2010.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Qb3 Qb6 8. Nxg6 hxg6 9. Bd2 Nbd7 10. Qc2 Be7 11. Be2 Qc7 12. h3 0-0-0 13. 0-0-0 Kb8 14. Kb1 Nb6 15. c5 Nbd7 16. b4 b5 17. a4 a6 18. Kb2 Kb7 19. Ra1 Ra8 20. Ra3 a5 21. bxa5 Rxa5 22. Nxb5 cxb5 23. Bxa5 Qxa5 24. axb5 Qd8 25. Rha1 Kc8 26. b6 Nb8 27. Ra8 1-0

[Event "Copenhagen Challenge"]
[Site "Ballerup"]
[Date "2010.??.??"]
[Round "1"]
[White "Veng, Johny"]
[Black "Kallen, Jonas"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2237"]
[BlackElo "1893"]
[PlyCount "67"]
[EventDate "2010.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 Nbd7 5. Nc3 e6 6. g3 Bd6 7. Bg2 0-0 8. 0-0 dxc4 9. Qxc4 e5 10. Rd1 Qc7 11. Qb3 a6 12. e4 exd4 13. Nxd4 Re8 14. h3 Nc5 15. Qc2 Qe7 16. Re1 Be5 17. Be3 Bxd4 18. Bxd4 Ne6 19. Be3 Nc7 20. Rad1 Be6 21. Na4 Red8 22. Nc5 Nce8 23. b3 h6 24. f4 Qc7 25. Kh2 Nd7 26. f5 Nxc5 27. Qxc5 Rxd1 28. Rxd1 Bd7 29. Bf4 Qc8 30. Qe7 Nf6 31. Be5 Be8 32. Bxf6 gxf6 33. Qxf6 Kh7 34. Rd6 1-0

[Event "Zuerich op-B 14th"]
[Site "Zuerich"]
[Date "1990.??.??"]
[Round "?"]
[White "Gimmel, Rolf"]
[Black "Kallen, Jonas"]
[Result "0-1"]
[ECO "C44"]
[PlyCount "52"]
[EventDate "1990.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Be2 Nf6 4. d3 Bc5 5. Bg5 h6 6. Be3 Bxe3 7. fxe3 d5 8. exd5 Nxd5 9. Qd2 Qd6 10. Nc3 Be6 11. Nxd5 Bxd5 12. 0-0 0-0-0 13. Qc3 Rhe8 14. Nd2 Qb4 15. Nb1 g6 16. b3 f5 17. Qb2 Qc5 18. Qc1 Nd4 19. Bd1 f4 20. c3 Nf5 21. d4 exd4 22. exd4 Nxd4 23. Kh1 Ne2 24. Qb2 f3 25. gxf3 Bxf3+ 26. Rxf3 Qg1# 0-1

[Event "Zuerich op-B 14th"]
[Site "Zuerich"]
[Date "1990.??.??"]
[Round "?"]
[White "Kallen, Jonas"]
[Black "Botta, Giancarlo"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "58"]
[EventDate "1990.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. g3 Nf6 5. Bg2 Nc6 6. f4 Be7 7. e5 Nd7 8. Ngf3 0-0 9. 0-0 f6 10. Re1 fxe5 11. fxe5 Qe8 12. c3 Qg6 13. Nf1 d4 14. c4 Nb6 15. a3 Bd7 16. Qe2 Na5 17. Bf4 Bc6 18. N1d2 Na4 19. Rab1 Rab8 20. Ne4 b5 21. Nfd2 bxc4 22. Nxc4 Nxc4 23. dxc4 Ba8 24. Qc2 Nb6 25. Qe2 Nd7 26. Qd3 Rf5 27. Nd6 Bxd6 28. exd6 Bxg2 29. Kxg2 e5 0-1

[Event "Zuerich op-B 14th"]
[Site "Zuerich"]
[Date "1990.??.??"]
[Round "?"]
[White "Kallen, Jonas"]
[Black "Haefliger, T."]
[Result "1-0"]
[ECO "B00"]
[PlyCount "65"]
[EventDate "1990.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 b6 2. e4 Bb7 3. f3 d5 4. e5 Qd7 5. Bd3 c5 6. Be3 e6 7. c3 cxd4 8. Bxd4 Ba6 9. Ne2 Bxd3 10. Qxd3 Nc6 11. Nd2 Nge7 12. 0-0 Ng6 13. f4 Be7 14. Rae1 0-0 15. Qh3 Nxd4 16. Nxd4 Qa4 17. a3 Bc5 18. N2f3 Nxf4 19. Qg4 Nd3 20. Re3 Nxb2 21. Ng5 Nc4 22. Nxh7 Kxh7 23. Qh4+ Kg8 24. Rh3 Bxd4+ 25. cxd4 f5 26. exf6 Rxf6 27. Rxf6 gxf6 28. Qh8+ Kf7 29. Rh7+ Kg6 30. Rg7+ Kf5 31. Qh3+ Ke4 32. Rg4+ Kf5 33. Qf3# 1-0

[Event "Zuerich op-B 14th"]
[Site "Zuerich"]
[Date "1990.??.??"]
[Round "?"]
[White "Kallen, Jonas"]
[Black "Torricelli, Arnold"]
[Result "1-0"]
[ECO "D01"]
[PlyCount "52"]
[EventDate "1990.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. f3 c6 5. e4 dxe4 6. fxe4 Qa5 7. e5 Ne4 8. Nf3 g6 9. Bd3 Nxg5 10. Nxg5 Bh6 11. h4 Qb4 12. e6 fxe6 13. Nxh7 Nf8 14. Nxf8 Rxf8 15. Bxg6+ Kd8 16. Rf1 Qxb2 17. Rxf8+ Bxf8 18. Na4 Qb4+ 19. c3 Qd6 20. Qf3 Bh6 21. Rd1 b6 22. Nc5 Kc7 23. Ne4 Qa3 24. Qg3+ Kb7 25. Nc5+ bxc5 26. Rb1+ Ka6 1-0

[Event "Zuerich op-B 14th"]
[Site "Zuerich"]
[Date "1990.??.??"]
[Round "?"]
[White "Schipper, Ernst"]
[Black "Kallen, Jonas"]
[Result "0-1"]
[ECO "C31"]
[PlyCount "60"]
[EventDate "1990.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 c6 4. Nc3 exf4 5. Nf3 Bd6 6. Bc4 Ne7 7. dxc6 Nbxc6 8. 0-0 0-0 9. Ne2 Bg4 10. Bb3 Na5 11. c3 Qc7 12. d4 Nxb3 13. Qxb3 Rae8 14. Bd2 Nf5 15. Rae1 Ne3 16. Bxe3 fxe3 17. h3 Be6 18. Qc2 h6 19. b3 b5 20. Qd3 Qd7 21. Rc1 Bf5 22. Qd1 Bxh3 23. Rc2 Bxg2 24. Kxg2 Qg4+ 25. Kh1 Qh3+ 26. Kg1 Re4 27. Ng3 Bxg3 28. Nh2 Bf2+ 29. Rfxf2 exf2+ 30. Rxf2 Rfe8 0-1

[Event "Zuerich op 12th"]
[Site "Zuerich"]
[Date "1988.??.??"]
[Round "5"]
[White "Arapovic, Vitomir"]
[Black "Kallen, Jonas"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "2370"]
[BlackElo "2030"]
[PlyCount "61"]
[EventDate "1988.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Bc5 3. g3 Ne7 4. Bg2 a6 5. Nf3 d6 6. d4 exd4 7. Nxd4 Nbc6 8. Be3 Nxd4 9. Bxd4 Bxd4 10. Qxd4 0-0 11. 0-0-0 Nc6 12. Qd2 Be6 13. f4 f6 14. h3 Re8 15. g4 Qd7 16. Bf3 Kh8 17. Qg2 Rab8 18. h4 Bg8 19. g5 Qf7 20. Nd5 Na7 21. gxf6 gxf6 22. Rhg1 Rf8 23. Bh5 Qd7 24. Bg4 Qg7 25. Qf2 Bxd5 26. exd5 b6 27. Bc8 Qh6 28. Bxa6 Rbe8 29. Bd3 Nc8 30. Rde1 Ne7 31. Bb5 1-0

