[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.04"]
[Round "7"]
[White "Alvarez Usma, Mario"]
[Black "Trujillo Bahamon, Halan David"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "1613"]
[BlackElo "1353"]
[PlyCount "52"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 d6 3. g3 Nf6 4. Bg2 Be7 5. Nge2 Nc6 6. d3 0-0 7. h3 Be6 8. 0-0 Qd7 9. Kh2 Rfe8 10. f4 Qc8 11. f5 Bd7 12. g4 h6 13. Qe1 Nh7 14. Nd5 Bd8 15. Rg1 Ne7 16. Ndc3 c5 17. h4 f6 18. Bh3 Ba5 19. g5 hxg5 20. hxg5 fxg5 21. Bxg5 d5 22. Bh6 Nf6 23. Rxg7+ Kh8 24. Qh4 Rf8 25. Rag1 Qe8 26. R7g5 Rf7 1-0

[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.04"]
[Round "6"]
[White "Serna, Luis Orlando"]
[Black "Alvarez Usma, Mario"]
[Result "1/2-1/2"]
[ECO "B72"]
[BlackElo "1613"]
[PlyCount "103"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Be3 Nf6 6. Nc3 Nc6 7. Nxc6 bxc6 8. Bc4 0-0 9. 0-0 d6 10. h3 Qa5 11. Qd2 Qb4 12. Bd3 Qxb2 13. Rab1 Qa3 14. Rb3 Qa5 15. Bh6 Nd7 16. Bxg7 Kxg7 17. Qc1 Nc5 18. Ra3 Qb4 19. Ne2 e5 20. Ng3 Be6 21. Rd1 d5 22. c3 Qb6 23. exd5 cxd5 24. Bc2 f6 25. Qe3 Rad8 26. Rb1 Qc7 27. Rb5 Rc8 28. Raa5 Nd7 29. Rxa7 Qxc3 30. Qxc3 Rxc3 31. Bb3 Rd3 32. Bxd5 Rxd5 33. Rxd5 Bxd5 34. Rxd7+ Bf7 35. Ne4 Kh6 36. Ra7 f5 37. Nd6 Bd5 38. a4 Rd8 39. Ra6 Kg5 40. a5 h5 41. Kf1 h4 42. Ke2 e4 43. g3 hxg3 44. fxg3 f4 45. gxf4+ Kxf4 46. Rb6 Kg3 47. Ke3 Kxh3 48. Nxe4 Bxe4 49. Kxe4 g5 50. Rh6+ Kg3 51. Re6 g4 52. a6 1/2-1/2

[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.03"]
[Round "5"]
[White "Alvarez Usma, Mario"]
[Black "Espinoza Balza, Abril Nathaly"]
[Result "1/2-1/2"]
[ECO "C26"]
[WhiteElo "1613"]
[BlackElo "1077"]
[PlyCount "99"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 Be7 4. Bg2 0-0 5. Nge2 d6 6. h3 Nc6 7. 0-0 Be6 8. d3 Qd7 9. Kh2 d5 10. f4 exf4 11. gxf4 dxe4 12. dxe4 Qxd1 13. Rxd1 Rad8 14. Be3 Nb4 15. e5 Nfd5 16. Nxd5 Nxd5 17. Bd2 f6 18. Nc3 Nxc3 19. Bxc3 fxe5 20. Bxe5 Rxd1 21. Rxd1 Bd6 22. Bxd6 cxd6 23. Rxd6 Bc8 24. Bd5+ Kh8 25. Kg3 h6 26. h4 b6 27. a4 Re8 28. b4 Bf5 29. Bb3 Re3+ 30. Kf2 Rh3 31. Be6 Bxe6 32. Rxe6 Rh2+ 33. Kg3 Rxc2 34. a5 bxa5 35. bxa5 Rc7 36. h5 Kg8 37. Kg4 Kf7 38. Rd6 Ke7 39. Ra6 Kf7 40. Kf5 Rc5+ 41. Ke4 Rc7 42. Kd5 Ke7 43. f5 Rd7+ 44. Kc5 Rc7+ 45. Rc6 Rd7 46. Kb5 Rd5+ 47. Rc5 Rxc5+ 48. Kxc5 Kd7 49. Kd5 a6 50. Kc5 1/2-1/2

[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.03"]
[Round "4"]
[White "Ramirez, Andres Felipe"]
[Black "Alvarez Usma, Mario"]
[Result "1-0"]
[ECO "E93"]
[BlackElo "1613"]
[PlyCount "79"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nbd7 6. Qc2 0-0 7. Be2 e5 8. d5 a5 9. Be3 b6 10. 0-0 h6 11. Ne1 Nc5 12. f3 Nh5 13. Nd3 f5 14. a3 f4 15. Bf2 g5 16. b4 Nd7 17. c5 Ndf6 18. cxd6 cxd6 19. Na4 Rb8 20. bxa5 bxa5 21. Rab1 Rxb1 22. Rxb1 Bd7 23. Nb6 Be8 24. Qc8 Bd7 25. Qxd8 Rxd8 26. Nxd7 Nxd7 27. Nb2 Rb8 28. a4 Nhf6 29. Bb5 Bf8 30. Nc4 Nc5 31. Bxc5 dxc5 32. Rd1 Ne8 33. d6 Rd8 34. d7 Nc7 35. Nxa5 Nxb5 36. axb5 c4 37. Nc6 Bc5+ 38. Kf1 Bb6 39. Nxd8 Bxd8 40. b6 1-0

[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.02"]
[Round "3"]
[White "Alvarez Usma, Mario"]
[Black "Gomez Guevara, Jorge Leonardo"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1613"]
[BlackElo "1837"]
[PlyCount "76"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. g3 Nc6 5. Bg2 g6 6. Ngf3 Bg7 7. 0-0 Nge7 8. Re1 b6 9. c3 a5 10. a3 Ra7 11. Nf1 0-0 12. e5 h6 13. h4 d4 14. c4 Qc7 15. Bf4 Nb8 16. N1h2 Nd7 17. Ng4 h5 18. Nf6+ Kh8 19. Ng5 Nc6 20. Bxc6 Qxc6 21. Nxh5 Bb7 22. Re4 Bxe5 23. Bxe5+ Nxe5 24. Nf6 Kg7 25. Ngh7 Rh8 26. h5 Rxh7 27. Nxh7 Kxh7 28. hxg6+ Nxg6 29. Qh5+ Kg7 30. Qh2 Ra8 31. f3 Rh8 32. Qg2 Qc8 33. Re2 Qa8 34. Rf1 Qb8 35. Kf2 Ne5 36. Ke1 Nxd3+ 37. Kd1 Ne5 38. g4 Nxc4 0-1

[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.02"]
[Round "2"]
[White "Cruz Duque, Esteban"]
[Black "Alvarez Usma, Mario"]
[Result "0-1"]
[ECO "B27"]
[BlackElo "1613"]
[PlyCount "50"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. b3 Bg7 4. Nc3 Nf6 5. e5 Ng4 6. Qe2 Nc6 7. Bb2 Ngxe5 8. 0-0-0 0-0 9. h4 d5 10. h5 Bg4 11. h6 Bh8 12. Na4 Nd4 13. Bxd4 cxd4 14. Rh4 Bxf3 15. gxf3 d3 16. Qe3 b5 17. f4 dxc2 18. Kxc2 bxa4 19. fxe5 axb3+ 20. axb3 Qc7+ 21. Kb1 Bxe5 22. f4 Bf6 23. Rh3 Rfc8 24. Bd3 Qa5 25. Bc4 dxc4 0-1

[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.01"]
[Round "1"]
[White "Alvarez Usma, Mario"]
[Black "Molina, Gildardo"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1613"]
[BlackElo "1998"]
[PlyCount "80"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. Re1 d5 8. Nbd2 0-0 9. c3 b5 10. Nf1 a5 11. e5 b4 12. h4 a4 13. a3 bxc3 14. bxc3 Qa5 15. Bd2 Qb5 16. c4 dxc4 17. dxc4 Qxc4 18. Ne3 Qa6 19. Rc1 Qa7 20. Nc4 Rb8 21. Qc2 Nd4 22. Nxd4 cxd4 23. Bb4 Rd8 24. Nd6 Bd7 25. Qd2 Nd5 26. Bxd5 exd5 27. Bc5 Qa6 28. Qxd4 Be6 29. Bb4 Rxd6 30. Bxd6 Qxd6 31. Qxa4 Qd8 32. Qd4 Bf8 33. a4 Qa5 34. Rb1 Rc8 35. Rec1 Rc4 36. Rxc4 dxc4 37. Rb8 c3 38. Rb5 Qc7 39. Rb1 c2 40. Rc1 Ba3 0-1

