[Event "Sundsvall op"]
[Site "Sundsvall"]
[Date "2020.01.06"]
[Round "7"]
[White "Ahlen, Thomas"]
[Black "Kollberg, Mats"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "1504"]
[PlyCount "49"]
[EventDate "2020.01.04"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 Nc6 6. f4 e5 7. d5 Nd4 8. fxe5 dxe5 9. Nf3 Nxf3+ 10. Bxf3 h6 11. Be3 0-0 12. 0-0 b6 13. Qd2 Kh7 14. a4 a5 15. Rfd1 Nd7 16. Qf2 f5 17. exf5 gxf5 18. d6 e4 19. Nxe4 f4 20. Qc2 Kh8 21. Bd4 Bxd4+ 22. Rxd4 Ne5 23. Qc3 Nxf3+ 24. gxf3 Rg8+ 25. Kh1 1-0

[Event "Sundsvall op"]
[Site "Sundsvall"]
[Date "2020.01.05"]
[Round "6"]
[White "Flyckt, Jakob"]
[Black "Kollberg, Mats"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "1954"]
[PlyCount "41"]
[EventDate "2020.01.04"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. g3 d6 6. Bg2 c6 7. 0-0 Nbd7 8. Qc2 d5 9. cxd5 cxd5 10. Bf4 a6 11. b4 Nb6 12. Ne5 Bf5 13. Qb3 e6 14. a4 Nfd7 15. e4 Nxe5 16. Bxe5 Bxe5 17. dxe5 dxe4 18. Nxe4 Bxe4 19. Bxe4 Qe7 20. a5 Nd7 21. Qb2 1-0

[Event "Sundsvall op"]
[Site "Sundsvall"]
[Date "2020.01.05"]
[Round "5"]
[White "Kollberg, Mats"]
[Black "Sandberg, Jan Henrik"]
[Result "1-0"]
[ECO "B12"]
[BlackElo "1563"]
[PlyCount "95"]
[EventDate "2020.01.04"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Ne2 Nd7 7. 0-0 c5 8. c3 Qc7 9. Na3 a6 10. f4 Nh6 11. Ng3 cxd4 12. cxd4 Be7 13. f5 Nxf5 14. Nxf5 exf5 15. Qxf5 0-0 16. Bf4 Qc6 17. Rac1 Qe6 18. Qxe6 fxe6 19. Rc7 Bxa3 20. bxa3 Nb6 21. Rxb7 Nc4 22. a4 h6 23. h4 Na5 24. Rb6 Rfe8 25. Bc1 Nc4 26. Rc6 Na5 27. Rc7 Rf8 28. Rxf8+ Kxf8 29. Ba3+ Kg8 30. Re7 Nc6 31. Rxe6 Nxd4 32. Rd6 Ne2+ 33. Kh2 Nc3 34. e6 Nxa4 35. Rxd5 Nc3 36. Rd7 Nb5 37. Bb2 Re8 38. Rxg7+ Kf8 39. Rg6 h5 40. a4 Nc7 41. Ba3+ Re7 42. Rf6+ Ke8 43. Bxe7 Kxe7 44. Rf7+ Kd8 45. e7+ Ke8 46. Rh7 Nd5 47. Rxh5 Nxe7 48. Ra5 1-0

