[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.29"]
[Round "6"]
[White "Mondragon Montano, Kevin Andres"]
[Black "Wiesner, Jacobo"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1600"]
[PlyCount "106"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. exd5 cxd5 4. d4 Nf6 5. Bf4 Nc6 6. a3 Bg4 7. f3 Bf5 8. Bb5 e6 9. Ba4 Bd6 10. Be3 0-0 11. g4 Bg6 12. Nge2 Na5 13. Nf4 Nc4 14. Qc1 a6 15. h4 h5 16. Nxg6 fxg6 17. Bg5 Qb6 18. b3 Qxd4 19. Ne2 Bg3+ 20. Nxg3 Qc3+ 21. Kf2 Nxg4+ 22. Kg1 Qxf3 23. Qf1 Qxg3+ 24. Qg2 Qxg2+ 25. Kxg2 Nce3+ 26. Kg3 e5 27. Bxe3 Nxe3 28. b4 Rf6 29. Rae1 d4 30. Bb3+ Kh7 31. c3 Raf8 32. Bd1 Nxd1 33. Rxd1 Rf3+ 34. Kg2 dxc3 35. Rc1 Rf2+ 36. Kg1 R8f3 37. Rh2 Rxh2 38. Kxh2 e4 39. Kg2 Kg8 40. a4 Kf7 41. Rb1 c2 42. Rc1 Rc3 43. Kf2 Ke6 44. Ke2 Ke5 45. Kd2 Rc4 46. Ke3 Kf5 47. Rf1+ Ke5 48. Rc1 Rc3+ 49. Kd2 Kd4 50. Ke2 Rh3 51. b5 Kc3 52. Rg1 Kb2 53. Kd2 Rh2+ 0-1

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.28"]
[Round "4"]
[White "Ramos, Angel Omar"]
[Black "Wiesner, Jacobo"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1632"]
[PlyCount "27"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 Bg4 6. Bb5+ Nbd7 7. h3 Bh5 8. g4 Bg6 9. g5 Ne4 10. Ne5 Nxc3 11. bxc3 Bf5 12. Qf3 e6 13. Bxd7+ Ke7 14. Ba3# 1-0

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.28"]
[Round "5"]
[White "Wiesner, Jacobo"]
[Black "Manzano, Oscar"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "1600"]
[PlyCount "15"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e6 2. b3 Nf6 3. Nc3 Bb4 4. Qe2 0-0 5. Bb2 Nc6 6. 0-0-0 d5 7. d4 Ba3 8. Bxa3 0-1

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.27"]
[Round "2"]
[White "Wiesner, Jacobo"]
[Black "Quiceno Ramirez, Edwin Alejandro"]
[Result "0-1"]
[ECO "B12"]
[BlackElo "1600"]
[PlyCount "76"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Bxc5 6. b4 Bb6 7. Nf3 h6 8. Be2 Ne7 9. 0-0 0-0 10. Nbd2 Nd7 11. Bb2 Bc7 12. c4 b6 13. Re1 a5 14. Bd3 Bb7 15. Bb1 axb4 16. Qc2 g6 17. axb4 Rxa1 18. Bxa1 Nc6 19. cxd5 Nxb4 20. Qe4 Nxd5 21. Qg4 Ne7 22. Nh4 h5 23. Qg3 Nxe5 24. Qc3 Nd5 25. Qb2 Qxh4 26. Rxe5 f6 27. Qc2 f5 28. Nf3 Qf6 29. Rxd5 Qxa1 30. Rd1 Bxf3 31. gxf3 Qe5 32. Qd2 Rd8 33. Qc1 Qxh2+ 34. Kf1 Qh1+ 35. Ke2 Qxd1+ 36. Qxd1 Rxd1 37. Kxd1 h4 38. Ke1 h3 0-1

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.26"]
[Round "1"]
[White "Velez, Sebastian"]
[Black "Wiesner, Jacobo"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "90"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. e3 c5 4. c3 Nf6 5. Nf3 Nc6 6. Bb5 Qb6 7. Qa4 Bd7 8. Bxc6 Bxc6 9. Qc2 Ne4 10. Nbd2 Nxd2 11. Nxd2 Rc8 12. 0-0 Be7 13. dxc5 Bxc5 14. Nf3 h6 15. Nd4 Bd7 16. Rac1 0-0 17. Qd2 Rfe8 18. Bg3 Bd6 19. Ne2 Bxg3 20. Nxg3 Rcd8 21. Rfe1 Bc6 22. Qe2 Bb5 23. Qg4 Bd3 24. e4 Bxe4 25. Rxe4 dxe4 26. Nh5 g6 27. Nf6+ Kf8 28. Nxe8 Kxe8 29. Qxe4 Rd2 30. Rf1 Qxb2 31. Qa4+ Kf8 32. Qxa7 Qxa2 33. Qxb7 Qd5 34. Qb8+ Kg7 35. Qb1 Qd3 36. Qa1 Qc4 37. Rc1 e5 38. Re1 e4 39. Re3 Rd3 40. h3 h5 41. Qe1 Qb3 42. Kh2 Rd1 43. Qe2 Qb1 44. Rxe4 Rh1+ 45. Kg3 Re1 1-0

