[Event "San Jose Metropolitano op-B 45th"]
[Site "San Jose"]
[Date "2024.12.29"]
[Round "8"]
[White "Cossio Carvajal, Bruno"]
[Black "Soto Cordoba, Anthony"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1886"]
[BlackElo "1773"]
[PlyCount "73"]
[EventDate "2024.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. e4 g6 2. c3 Bg7 3. d4 d6 4. f4 b6 5. Nf3 c5 6. dxc5 bxc5 7. Qd5 Qb6 8. Qxa8 e6 9. Na3 Bd7 10. Nc4 Qc7 11. Nxd6+ Qxd6 12. Qxa7 Nc6 13. Qa8+ Ke7 14. e5 Qd5 15. Be3 Qe4 16. Kf2 Qc2+ 17. Be2 f6 18. Bxc5+ Kf7 19. exf6 Kxf6 20. Rhc1 Qf5 21. Be3 Nge7 22. Qa3 Nd5 23. Bd2 Bf8 24. Qb3 Bc5+ 25. Kf1 g5 26. fxg5+ Kg7 27. Qc4 Bb6 28. Qd3 Qg4 29. c4 e5 30. cxd5 e4 31. Qc3+ Kg8 32. dxc6 exf3 33. Qc4+ Qxc4 34. Bxc4+ Kf8 35. cxd7 fxg2+ 36. Kxg2 Ke7 37. Bc3 1-0

[Event "San Jose Metropolitano op-B 45th"]
[Site "San Jose"]
[Date "2024.12.29"]
[Round "7"]
[White "Ramirez Aguilar, Julian Jose"]
[Black "Cossio Carvajal, Bruno"]
[Result "0-1"]
[ECO "C13"]
[WhiteElo "1872"]
[BlackElo "1886"]
[PlyCount "46"]
[EventDate "2024.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Bg5 Be7 6. Bxf6 Bxf6 7. Nf3 b6 8. c3 Bb7 9. Bb5+ Nd7 10. Nxf6+ gxf6 11. Qd2 a6 12. Ba4 Qe7 13. 0-0-0 0-0-0 14. Rhe1 Rhg8 15. Nh4 Bxg2 16. f4 Bb7 17. Qf2 Qd6 18. Rg1 f5 19. Rg3 Nf6 20. Qe3 Nd5 21. Qe5 Nxf4 22. Nxf5 exf5 23. Qxf5+ Kb8 0-1

[Event "San Jose Metropolitano op-B 45th"]
[Site "San Jose"]
[Date "2024.12.28"]
[Round "6"]
[White "Cossio Carvajal, Bruno"]
[Black "Acuna Nunez, Ignacio"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1886"]
[BlackElo "1655"]
[PlyCount "71"]
[EventDate "2024.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Na3 Nf6 5. Nf3 Nc6 6. d4 cxd4 7. Nb5 Qd8 8. Nbxd4 Bg4 9. Bb5 Rc8 10. Be3 Qc7 11. Qa4 e5 12. Nxc6 bxc6 13. Be2 a5 14. h3 Bf5 15. 0-0 Bd6 16. Rfe1 0-0 17. Nd2 Nd5 18. Nc4 Nxe3 19. Nxe3 Be6 20. Bc4 Qb6 21. Qb3 Qxb3 22. axb3 Rb8 23. Rxa5 Bxc4 24. Nxc4 Bc7 25. Ra7 Bd8 26. Nxe5 Bb6 27. Raa1 Rbd8 28. Nc4 Bc5 29. Ra6 Rfe8 30. Rxe8+ Rxe8 31. Rxc6 Ba7 32. Kf1 g6 33. b4 Kg7 34. b5 Bb8 35. b6 Bf4 36. b7 1-0

[Event "San Jose Metropolitano op-B 45th"]
[Site "San Jose"]
[Date "2024.12.28"]
[Round "5"]
[White "Redondo Washington, Josimar"]
[Black "Cossio Carvajal, Bruno"]
[Result "0-1"]
[ECO "A88"]
[WhiteElo "1665"]
[BlackElo "1886"]
[PlyCount "96"]
[EventDate "2024.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 0-0 6. 0-0 d6 7. Nc3 c6 8. b3 Qc7 9. Bb2 Re8 10. Re1 e5 11. dxe5 dxe5 12. e4 Na6 13. exf5 Bxf5 14. Na4 Rad8 15. Qc1 Nb4 16. Bxe5 Rxe5 17. Nxe5 Nc2 18. Re2 Nxa1 19. Qxa1 Ng4 20. f4 Re8 21. Qe1 Nxe5 22. fxe5 Rxe5 23. Nb2 Qb6+ 24. Kh1 Qd4 25. Rxe5 Qxe5 26. Qxe5 Bxe5 27. Na4 Bd4 28. c5 Bb1 29. Bh3 Kf7 30. Bf1 Bxa2 31. Bc4+ Kf6 32. Kg2 b5 33. cxb6 axb6 34. Kf3 b5 35. Ke4 Ba1 36. Kd3 bxa4 37. bxa4 Bxc4+ 38. Kxc4 Ke6 39. Kc5 Kd7 40. a5 Kc7 41. a6 Bg7 42. a7 Bf8+ 43. Kc4 Kb7 44. h4 Kxa7 45. g4 Kb7 46. h5 Kc7 47. Kd4 Kd6 48. Ke4 c5 0-1

[Event "San Jose Metropolitano op-B 45th"]
[Site "San Jose"]
[Date "2024.12.27"]
[Round "3"]
[White "Cossio Carvajal, Bruno"]
[Black "Fernandez Jimenez, Mathias"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1886"]
[BlackElo "1711"]
[PlyCount "87"]
[EventDate "2024.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 e6 7. d4 Nd7 8. c3 Nf6 9. Qc2 Bd6 10. Bg5 h6 11. Bh4 Be7 12. 0-0-0 Nd5 13. Bg3 b5 14. Ne5 Qb6 15. Bd3 c5 16. dxc5 Bxc5 17. Rhe1 0-0 18. Bh7+ Kh8 19. Be4 a5 20. Bxd5 exd5 21. Rxd5 Be6 22. Nd7 Bxd7 23. Rxd7 Ra7 24. Red1 Rxd7 25. Rxd7 Qe6 26. Qd3 b4 27. Rd5 Rc8 28. Rd8+ Rxd8 29. Qxd8+ Kh7 30. Qxa5 b3 31. axb3 Qe1+ 32. Kc2 Qe4+ 33. Kd1 Qd5+ 34. Kc2 Qe4+ 35. Kc1 Qe1+ 36. Kc2 Qe4+ 37. Kd2 Qd5+ 38. Ke2 Qe4+ 39. Kf1 Qb1+ 40. Ke2 Qe4+ 41. Kd2 Qd5+ 42. Kc2 Qe4+ 43. Kd1 Qd5+ 44. Ke2 1/2-1/2

[Event "San Jose Metropolitano op-B 45th"]
[Site "San Jose"]
[Date "2024.12.27"]
[Round "4"]
[White "Jimenez Santamaria, Jose Daniel"]
[Black "Cossio Carvajal, Bruno"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1659"]
[BlackElo "1886"]
[PlyCount "72"]
[EventDate "2024.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 h6 6. Nbd2 d6 7. 0-0 0-0 8. h3 Ne7 9. Re1 Ng6 10. Nf1 c6 11. Bb3 Re8 12. Ng3 Be6 13. Nf5 d5 14. Qe2 Nf4 15. Bxf4 exf4 16. N5d4 Qb6 17. e5 Nd7 18. Nxe6 Rxe6 19. d4 Bf8 20. Bc2 g6 21. b4 a5 22. a3 Qd8 23. Qd2 Nb6 24. Qxf4 Nc4 25. Qg4 axb4 26. axb4 Ra3 27. Rxa3 Nxa3 28. Bf5 Qe8 29. Bxe6 fxe6 30. Ra1 Nb5 31. Rc1 Kg7 32. Qf4 Be7 33. h4 Qa8 34. g4 Qa3 35. Ne1 Nxc3 36. Rc2 Ne4 0-1

[Event "San Jose Metropolitano op-B 45th"]
[Site "San Jose"]
[Date "2024.12.26"]
[Round "2"]
[White "Bustamante Gonzalez, Carlos Andres"]
[Black "Cossio Carvajal, Bruno"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1644"]
[BlackElo "1886"]
[PlyCount "90"]
[EventDate "2024.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. Nf3 e6 2. d4 f5 3. Bf4 Nf6 4. e3 b6 5. c4 Bb4+ 6. Nc3 0-0 7. Be2 Bb7 8. 0-0 d6 9. Qb3 Bxc3 10. bxc3 h6 11. c5 d5 12. a4 Ne4 13. Qb2 g5 14. Bg3 Nd7 15. a5 Bc6 16. cxb6 cxb6 17. axb6 Qxb6 18. Qxb6 axb6 19. c4 g4 20. Nh4 Nd2 21. Ng6 Nxf1 22. Rxa8 Rxa8 23. Ne7+ Kf7 24. Nxc6 Nd2 25. f3 gxf3 26. gxf3 Nxc4 27. Bf4 Rc8 28. Na7 Ra8 29. Nb5 Ra1+ 30. Kf2 Ra2 31. Bxh6 Rb2 32. Nc3 b5 33. Bf4 b4 34. Nb5 e5 35. dxe5 Ndxe5 36. Nd6+ Ke6 37. Bxe5 Nxe5 38. Nb5 b3 39. Kg3 Kf6 40. Bd1 Nc4 41. Nd4 Nxe3 42. Bxb3 Nf1+ 43. Kf4 Rxh2 44. Nxf5 Rd2 45. Ne3 Rd4# 0-1

[Event "San Jose Metropolitano op-B 45th"]
[Site "San Jose"]
[Date "2024.12.26"]
[Round "1"]
[White "Cossio Carvajal, Bruno"]
[Black "Chavez Flores, Jose Edwin"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1886"]
[BlackElo "1519"]
[PlyCount "100"]
[EventDate "2024.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 e6 5. Bc4 Nb6 6. Bb3 c4 7. Bc2 Qc7 8. 0-0 Nc6 9. Re1 Nd5 10. b3 b5 11. Na3 Ba6 12. Qe2 Nb6 13. d3 Ne7 14. Nd4 Qc5 15. b4 Qd5 16. dxc4 bxc4 17. Be4 Qxe5 18. Bxa8 Qxe2 19. Rxe2 Nxa8 20. b5 Bb7 21. Nxc4 Nd5 22. Bd2 Nab6 23. Nxb6 Nxb6 24. a4 Nc4 25. Be3 Bc5 26. Nc2 Nxe3 27. Nxe3 0-0 28. Nc2 a6 29. Nb4 a5 30. Nd3 Bb6 31. c4 Bd4 32. Rc1 Rc8 33. c5 f6 34. c6 dxc6 35. Rxe6 c5 36. Re7 Bd5 37. Rd7 Be6 38. Rxd4 cxd4 39. Rxc8+ Bxc8 40. b6 Ba6 41. Nc5 d3 42. Nxd3 Kf7 43. Nc5 Bc8 44. b7 Bxb7 45. Nxb7 Ke6 46. Nxa5 Kd5 47. Nb3 Kc4 48. f4 h6 49. f5 h5 50. h4 Kd5 1-0

[Event "Wch FIDE Online U12 America qual"]
[Site "Tornelo INT"]
[Date "2020.12.04"]
[Round "7"]
[White "Cossio Carvajal, Bruno"]
[Black "Petti, Luca Giovanni"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "1148"]
[BlackElo "1334"]
[PlyCount "149"]
[EventDate "2020.12.01"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "ISS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. 0-0 Bc5 7. h3 0-0 8. Nc3 d6 9. Bg5 Ne7 10. Bc4+ Kh8 11. Re1 Ng6 12. Nd5 c6 13. Nxf6 gxf6 14. Bh6 Re8 15. Bf7 Re7 16. Bb3 Be6 17. Bxe6 Rxe6 18. Be3 Bxe3 19. Rxe3 Qg8 20. Kh2 Qg7 21. g3 Ne7 22. Nh4 Qg5 23. Nf3 Qh5 24. Nh4 Qxd1 25. Rxd1 d5 26. exd5 cxd5 27. Rb3 b6 28. Re1 Rc8 29. c3 Nc6 30. Nf3 Na5 31. Rb4 Rc4 32. Rxc4 Nxc4 33. Re2 Rc6 34. Nh4 Nd6 35. f3 Kg7 36. Ng2 Kf7 37. Rd2 Ke6 38. Ne3 Nc4 39. Nxc4 Rxc4 40. Kg2 d4 41. cxd4 exd4 42. Kf2 Kd5 43. Ke2 Rc8 44. Kd3 Rg8 45. Rg2 f5 46. g4 fxg4 47. Rxg4 Rf8 48. Rxd4+ Ke5 49. Re4+ Kd5 50. Ke3 Rf7 51. f4 Rg7 52. Re5+ Kd6 53. Rg5 Rxg5 54. fxg5 Ke5 55. h4 Kf5 56. Kf3 a6 57. a3 a5 58. a4 Ke5 59. Kg4 Kd4 60. h5 Kc4 61. g6 hxg6 62. hxg6 Kb4 63. g7 Kxa4 64. g8Q b5 65. Qa2+ Kb4 66. b3 a4 67. bxa4 bxa4 68. Kf4 Kb5 69. Ke4 Kb4 70. Kd4 Kb5 71. Qa3 Ka5 72. Kc4 Ka6 73. Qxa4+ Kb7 74. Qb5+ Ka7 75. Qh5 1-0

[Event "Wch FIDE Online U12 America qual"]
[Site "Tornelo INT"]
[Date "2020.12.03"]
[Round "5"]
[White "Cossio Carvajal, Bruno"]
[Black "Lanzilotta, Filippo"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "1148"]
[BlackElo "1220"]
[PlyCount "77"]
[EventDate "2020.12.01"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "ISS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bc5 5. d3 a6 6. Bxc6 dxc6 7. Bg5 Qd6 8. h3 h6 9. Be3 Bxe3 10. fxe3 Be6 11. 0-0 Nh5 12. d4 exd4 13. exd4 Bc4 14. Re1 Qg6 15. Ne5 Qg5 16. Nxc4 Nf4 17. Qg4 Qf6 18. Rf1 g5 19. Ne5 h5 20. Qd7+ Kf8 21. Qxc7 g4 22. Nd7+ Kg7 23. Nxf6 Kxf6 24. Rxf4+ Kg7 25. Qxf7+ Kh6 26. Rf6+ Kg5 27. hxg4 hxg4 28. Qg7+ Kh4 29. Rf4 Rag8 30. Rxg4+ Kh5 31. Qxg8 Rxg8 32. Rxg8 c5 33. d5 b5 34. d6 b4 35. Nd5 c4 36. d7 c3 37. bxc3 a5 38. d8Q a4 39. Qg5# 1-0

[Event "Wch FIDE Online U12 America qual"]
[Site "Tornelo INT"]
[Date "2020.12.03"]
[Round "6"]
[White "Garzon Zapatanga, Christopher Leonel"]
[Black "Cossio Carvajal, Bruno"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1697"]
[BlackElo "1148"]
[PlyCount "77"]
[EventDate "2020.12.01"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "ISS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 Nf6 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 Nxc3 10. bxc3 Bd7 11. 0-0 h6 12. Re1 0-0 13. Qe2 a6 14. Bxc6 Bxc6 15. e6 fxe6 16. Qxe6+ Kh7 17. Ne5 Rf6 18. Qg4 Qf8 19. Be3 Ba5 20. Rac1 Rd8 21. f4 Rdd6 22. Rf1 Bb5 23. Rf2 Be8 24. c4 c6 25. c5 Rd8 26. f5 Bc7 27. Rcf1 Qe7 28. Bf4 Rc8 29. Re2 Qf8 30. Bg3 Bb8 31. Ng6 Bxg6 32. fxg6+ Kg8 33. Rxf6 gxf6 34. g7 Qd8 35. Qe6+ Kxg7 36. Bxb8 Rxb8 37. Re3 Qa5 38. Rg3+ Kf8 39. Rg8# 1-0

[Event "Wch FIDE Online U12 America qual"]
[Site "Tornelo INT"]
[Date "2020.12.03"]
[Round "4"]
[White "Lopez Escobar, Daniel Alejandro"]
[Black "Cossio Carvajal, Bruno"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1401"]
[BlackElo "1148"]
[PlyCount "136"]
[EventDate "2020.12.01"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "ISS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. 0-0 d6 6. d4 exd4 7. cxd4 Bb6 8. h3 h6 9. Nc3 0-0 10. Re1 Re8 11. Bf4 Na5 12. Bf1 Nc6 13. Bb5 a6 14. Ba4 Bd7 15. e5 dxe5 16. dxe5 Nh7 17. Qc2 Nb4 18. Qd2 Bxa4 19. Nxa4 Qxd2 20. Bxd2 Nc2 21. Nxb6 cxb6 22. Be3 Nxa1 23. Rxa1 b5 24. Rc1 Rac8 25. Rd1 Red8 26. Bd4 Nf8 27. Re1 Ne6 28. Bc3 Rd7 29. Nd2 Rcd8 30. Ne4 Rd1 31. Nd6 Rxe1+ 32. Bxe1 Rd7 33. Ba5 Nf8 34. f4 f6 35. Bb6 fxe5 36. fxe5 Ng6 37. Bd4 Ne7 38. Kf2 Nc6 39. Bc3 b4 40. Bd2 Nxe5 41. Bxb4 Nd3+ 42. Ke3 Nxb4 43. Nf5 Nxa2 44. Nd4 Kf7 45. Nf3 Re7+ 46. Kd4 Re2 47. b3 Rxg2 48. Ne5+ Ke6 49. Nd3 Rd2 50. Ke3 Rxd3+ 51. Kxd3 Nb4+ 52. Kc4 Nd5 53. Kd4 g5 54. Ke4 b5 55. Kf3 a5 56. Kg4 Nf4 57. h4 gxh4 58. Kxf4 a4 59. bxa4 bxa4 60. Kg4 a3 61. Kh5 a2 62. Kg6 a1R 63. Kh5 h3 64. Kxh6 Rf1 65. Kg7 h2 66. Kg8 Ke7 67. Kg7 Rg1+ 68. Kh6 h1Q# 0-1

[Event "Wch FIDE Online U12 America qual"]
[Site "Tornelo INT"]
[Date "2020.12.02"]
[Round "2"]
[White "Cossio Carvajal, Bruno"]
[Black "Ibarra, Carlos Roberto"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1148"]
[BlackElo "1539"]
[PlyCount "115"]
[EventDate "2020.12.01"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "ISS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 cxd4 6. cxd4 Bg4 7. Be2 e6 8. Nc3 Qa5 9. a3 Nf6 10. h3 Bh5 11. Be3 Be7 12. Qc2 Rc8 13. Qd2 0-0 14. 0-0 Rfd8 15. Rfd1 Nd5 16. Nxd5 Qxd5 17. g4 Bg6 18. Rac1 Be4 19. Nh2 Bf6 20. f3 Bg6 21. Kf2 Qd6 22. Kg2 h5 23. Nf1 h4 24. Bb5 Nxd4 25. Rxc8 Rxc8 26. Bd3 Nb3 27. Qe2 Bxd3 28. Rxd3 Bd4 29. Rxb3 Bxe3 30. Rxe3 f5 31. Rxe6 Qf4 32. Re8+ Rxe8 33. Qxe8+ Kh7 34. Qh5+ Kg8 35. Qxf5 Qd4 36. Qc8+ Kh7 37. Qxb7 Qc5 38. Qe4+ Kh8 39. Qb4 Qc2+ 40. Qd2 Qc7 41. Qc3 Qb8 42. b4 Qb7 43. Qe5 Qc8 44. Qc5 Qa6 45. Qh5+ Kg8 46. Qxh4 Qxa3 47. Qe1 Qb2+ 48. Qd2 Qa1 49. b5 Qa4 50. Qe2 Qa5 51. Ng3 Kh7 52. h4 Qb6 53. h5 Qc5 54. Qd3+ Kh8 55. Nf5 Qc7 56. Qe4 Qd7 57. Qd4 Qc7 58. Qxg7+ 1-0

[Event "Wch FIDE Online U12 America qual"]
[Site "Tornelo INT"]
[Date "2020.12.02"]
[Round "3"]
[White "Cossio Carvajal, Bruno"]
[Black "Mendez Machado, Andre"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1148"]
[BlackElo "1574"]
[PlyCount "176"]
[EventDate "2020.12.01"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "ISS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. d3 d6 8. h3 h6 9. Be3 Bxe3 10. fxe3 0-0 11. Nbd2 Be6 12. c3 Bxb3 13. Qxb3 Ne7 14. d4 Ng6 15. Qc2 c6 16. Rad1 Qb6 17. Kh2 Rfe8 18. Rfe1 Qc7 19. Kg1 Rad8 20. a3 d5 21. dxe5 Nxe5 22. exd5 Nxd5 23. e4 Qb6+ 24. Nd4 Nf4 25. Kh2 c5 26. N4f3 Qg6 27. g3 Nfd3 28. Re2 c4 29. Nd4 Qh5 30. Nf1 Rxd4 31. cxd4 Nf3+ 32. Kh1 Nxd4 33. g4 Qe5 34. Qd2 Nxe2 35. Qxe2 Nxb2 36. Rd2 Nd3 37. Kg2 Qxe4+ 38. Qxe4 Rxe4 39. Ng3 Re1 40. Ra2 Rb1 41. Kf3 c3 42. Ne2 Rb3 43. Rc2 Rxa3 44. Rxc3 Rxc3 45. Nxc3 b4 46. Nb1 Ne5+ 47. Ke4 Ng6 48. Nd2 a5 49. Kd4 Nf4 50. h4 Ng2 51. Nf3 f6 52. Kc4 Kf7 53. h5 Ne3+ 54. Kb5 Nxg4 55. Kxa5 b3 56. Nd2 b2 57. Ka4 Ne3 58. Kb3 Nf1 59. Nb1 Ng3 60. Kxb2 Nxh5 61. Kc2 Nf4 62. Kd2 g5 63. Ke3 Kg6 64. Nc3 h5 65. Kf2 f5 66. Nd1 g4 67. Kg3 Kg5 68. Ne3 h4+ 69. Kf2 Nd3+ 70. Kg1 f4 71. Nf1 g3 72. Kg2 Kg4 73. Kg1 f3 74. Ne3+ Kg5 75. Kf1 h3 76. Kg1 f2+ 77. Kf1 g2+ 78. Nxg2 hxg2+ 79. Kxg2 Kf4 80. Kf1 Ke3 81. Kg2 Ke2 82. Kh3 f1Q+ 83. Kg4 Qf3+ 84. Kh4 Qg2 85. Kh5 Nf4+ 86. Kh4 Nd3 87. Kh5 Kf3 88. Kh4 Qg4# 0-1

[Event "Wch FIDE Online U12 America qual"]
[Site "Tornelo INT"]
[Date "2020.12.01"]
[Round "1"]
[White "Han, Johnathan"]
[Black "Cossio Carvajal, Bruno"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1805"]
[BlackElo "1148"]
[PlyCount "35"]
[EventDate "2020.12.01"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "ISS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Nf6 6. e5 Qe7 7. Be2 Ng8 8. 0-0 d6 9. Bf4 Be6 10. exd6 cxd6 11. Nc3 Nf6 12. Bb5+ Kd8 13. Rad1 Kc7 14. Be2 a6 15. Bf3 Rd8 16. Rfe1 Qd7 17. Qb4 Be7 18. Qxb7# 1-0

[Event "Online Friendship U12"]
[Site "Tornelo INT"]
[Date "2020.11.21"]
[Round "7.1"]
[White "Amirova, Zarifa"]
[Black "Cossio Carvajal, Bruno"]
[Result "0-1"]
[ECO "C68"]
[BlackElo "1148"]
[PlyCount "92"]
[EventDate "2020.11.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Azerbaijan"]
[BlackTeam "Costa Rica"]
[WhiteTeamCountry "AZE"]
[BlackTeamCountry "CRI"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nxe5 Qd4 6. Nf3 Qxe4+ 7. Qe2 Qxe2+ 8. Kxe2 Nf6 9. Re1 Be6 10. Kf1 0-0-0 11. Nc3 Bd6 12. Kg1 Rhe8 13. d4 h6 14. Be3 Bf5 15. Rac1 Nd5 16. Nxd5 cxd5 17. c3 c6 18. Nh4 Bh7 19. Re2 Kc7 20. c4 dxc4 21. Rxc4 Bd3 22. Rc3 Bxe2 23. Nf5 Bf8 24. f3 Bb5 25. b3 Bb4 26. Rc2 Bd3 27. Rc1 Bxf5 28. g4 Rxe3 29. Kf2 Rde8 30. Kg3 Bg6 31. h4 Bd2 32. Rd1 Bc3 33. Kf2 Bc2 34. Rf1 Bxd4 35. Kg3 Be5+ 36. Kf2 Bf4 37. Kg1 Re2 38. Ra1 Rd8 39. Kf1 Rdd2 40. Re1 Rf2+ 41. Kg1 Rg2+ 42. Kh1 Rh2+ 43. Kg1 Rdg2+ 44. Kf1 Bd3+ 45. Re2 Bxe2+ 46. Ke1 Rh1# 0-1

[Event "Online Friendship U12"]
[Site "Tornelo INT"]
[Date "2020.11.21"]
[Round "2.1"]
[White "Cossio Carvajal, Bruno"]
[Black "Avran, Mathew Thomas"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1148"]
[BlackElo "1058"]
[PlyCount "84"]
[EventDate "2020.11.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Costa Rica"]
[BlackTeam "Bahrain Chess Academy"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "BHN"]

1. e4 g6 2. d4 d6 3. Nf3 Bg7 4. Nc3 Bg4 5. Be2 Nd7 6. h3 Bxf3 7. Bxf3 Ngf6 8. Bf4 e5 9. dxe5 dxe5 10. Bg3 0-0 11. 0-0 Qe7 12. Qe2 Rfe8 13. Rad1 c6 14. Rd2 Rad8 15. Rfd1 Rc8 16. Bh4 Nb6 17. Bg4 Rcd8 18. Rxd8 Rxd8 19. f3 h5 20. Bxh5 gxh5 21. Kf2 Rxd1 22. Qxd1 Qd7 23. Qe2 Qd4+ 24. Kf1 Nc4 25. Bf2 Qd2 26. Qxc4 Qxc2 27. Qb3 Qc1+ 28. Ke2 Bh6 29. Nd1 Qd2+ 30. Kf1 h4 31. Be3 Bxe3 32. Nxe3 Nh5 33. Nf5 Nf4 34. Ne3 Qe2+ 35. Kg1 Qe1+ 36. Kh2 Ne2 37. Nf1 Qxf1 38. Qe3 Nf4 39. Qd2 Kg7 40. b3 Qe2 41. Qxe2 Nxe2 42. Kh1 Nc1 0-1

[Event "Online Friendship U12"]
[Site "Tornelo INT"]
[Date "2020.11.21"]
[Round "5.1"]
[White "Cossio Carvajal, Bruno"]
[Black "Jugree, Arav"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1148"]
[PlyCount "39"]
[EventDate "2020.11.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Costa Rica"]
[BlackTeam "South Africa KZN Academy"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "RSA"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 c5 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. 0-0 cxd4 8. Qxd4 Nf6 9. Re1+ Be7 10. Bg5 Qf5 11. Bxf6 gxf6 12. Nc3 Rg8 13. Kh1 Nc6 14. Qxd5 Qxc2 15. Ne4 Rg6 16. Nd6+ Kd7 17. Nxf7+ Kc7 18. Rxe7+ Nxe7 19. Qd6+ Kc8 20. Qd8# 1-0

[Event "Online Friendship U12"]
[Site "Tornelo INT"]
[Date "2020.11.21"]
[Round "6.1"]
[White "Cossio Carvajal, Bruno"]
[Black "Obukhava, Anastasiya"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1148"]
[BlackElo "1158"]
[PlyCount "102"]
[EventDate "2020.11.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Costa Rica"]
[BlackTeam "Belarus Grodno"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "BLR"]

1. e4 c5 2. c3 Nc6 3. Nf3 d6 4. d4 cxd4 5. cxd4 Bg4 6. Be2 e6 7. Nc3 Nf6 8. h3 Bh5 9. Bf4 Bg6 10. e5 dxe5 11. dxe5 Ne4 12. Qxd8+ Rxd8 13. Nxe4 Bxe4 14. Rd1 Bb4+ 15. Kf1 Rxd1+ 16. Bxd1 Bd3+ 17. Be2 Be4 18. Kg1 Bc5 19. Nd2 Bd5 20. Bc4 Bxc4 21. Nxc4 0-0 22. Kf1 Nd4 23. Ke1 Rd8 24. Ne3 Bb4+ 25. Kf1 Rc8 26. Kg1 Ne2+ 27. Kh2 Nxf4 28. Rd1 h6 29. Rd7 Rb8 30. Nc4 Nd5 31. a3 Bc5 32. b4 Bxf2 33. Nd6 Bd4 34. Nxf7 Rf8 35. Nd8 Bxe5+ 36. Kg1 Ne3 37. g3 Bxg3 38. Rxg7+ Kxg7 39. Nxe6+ Kf7 40. Nxf8 Kxf8 41. a4 Ke7 42. a5 Kd6 43. h4 Kc6 44. h5 Kb5 45. Kh1 Kxb4 46. a6 bxa6 47. Kg1 a5 48. Kh1 a4 49. Kg1 a3 50. Kh1 a2 51. Kg1 a1R# 0-1

[Event "Online Friendship U12"]
[Site "Tornelo INT"]
[Date "2020.11.21"]
[Round "3.1"]
[White "Lippa, Evgeniy"]
[Black "Cossio Carvajal, Bruno"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "1243"]
[BlackElo "1148"]
[PlyCount "139"]
[EventDate "2020.11.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Belarus FIDE Academy"]
[BlackTeam "Costa Rica"]
[WhiteTeamCountry "BLR"]
[BlackTeamCountry "CRI"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 d6 7. Re1 Be7 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. dxe5 dxe5 12. Bg5 Bg4 13. Bxf6 Bxf6 14. h3 Rd8 15. Qe2 Bxf3 16. Qxf3 Nc4 17. b3 Nb6 18. Qe2 0-0 19. Nd2 Bg5 20. Nf1 Rfe8 21. Rad1 Rxd1 22. Rxd1 Rd8 23. Rd3 c4 24. bxc4 Nxc4 25. Bb3 Na5 26. Bd5 g6 27. Qg4 Qe7 28. Rf3 Rf8 29. h4 Bxh4 30. Rh3 Bf6 31. Ne3 Kh8 32. Nf5 Qd7 33. Rh1 Bg7 34. Rxh7+ Kxh7 35. Qh3+ Kg8 36. Nh6+ Bxh6 37. Qxd7 Bg5 38. Qg4 Bf6 39. Qxg6+ Bg7 40. Qxa6 Nc4 41. Bxc4 bxc4 42. Qxc4 Ra8 43. a4 Bh6 44. Qb3 Kg7 45. c4 Bg5 46. c5 Rc8 47. Qc2 Kf6 48. c6 Bh6 49. a5 Rc7 50. a6 Bf8 51. Qc4 Bd6 52. Qb5 Ke7 53. Kf1 f6 54. Ke2 Kd8 55. Kd3 Kc8 56. Kc4 Ra7 57. Kd5 Bc7 58. Ke6 Bd8 59. Qd5 Re7+ 60. Kf5 Ra7 61. Qe6+ Kb8 62. Qd6+ Kc8 63. Qc5 Kb8 64. Qb5+ Kc8 65. g4 Kc7 66. f4 exf4 67. Kxf4 Be7 68. Kf5 Kc8 69. Qb6 Rc7 70. a7 1-0

[Event "Online Friendship U12"]
[Site "Tornelo INT"]
[Date "2020.11.21"]
[Round "1.1"]
[White "Papaioannou, Dimitrios1"]
[Black "Cossio Carvajal, Bruno"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "1154"]
[BlackElo "1148"]
[PlyCount "101"]
[EventDate "2020.11.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Greece"]
[BlackTeam "Costa Rica"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "CRI"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 Bxc3+ 5. bxc3 exd5 6. Bd3 Nf6 7. Ba3 Be6 8. Nf3 Nc6 9. Rb1 Rb8 10. 0-0 Ne7 11. Ng5 0-0 12. Re1 Qd7 13. Nxe6 fxe6 14. Qe2 Kf7 15. Qf3 Rfe8 16. h4 Nc6 17. g4 Kg8 18. g5 Ne4 19. Bxe4 dxe4 20. Qxe4 Na5 21. Bc1 Nc4 22. Qd3 Nd6 23. Bf4 Nf5 24. Bg3 b6 25. Qe4 Rbc8 26. Rbd1 Nd6 27. Qg4 Qf7 28. Re3 Nf5 29. Rf3 g6 30. Be5 Rcd8 31. Bf6 Rd7 32. Re1 c5 33. dxc5 bxc5 34. Qc4 Rd5 35. Rf4 Qd7 36. Rfe4 Nd6 37. Rxe6 Qxe6 38. Rxe6 Nxc4 39. Rxe8+ Kf7 40. Re7+ Kg8 41. Rxa7 Rd1+ 42. Kg2 Rd2 43. Rg7+ Kf8 44. Rxh7 Rxc2 45. Rg7 Ne3+ 46. Kf3 Nf5 47. Rc7 Rxc3+ 48. Bxc3 Nxh4+ 49. Kg4 Nf5 50. Rxc5 Kf7 51. Rxf5+ 1-0

[Event "Online Friendship U12"]
[Site "Tornelo INT"]
[Date "2020.11.21"]
[Round "4.1"]
[White "Religa, Marek"]
[Black "Cossio Carvajal, Bruno"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1601"]
[BlackElo "1148"]
[PlyCount "83"]
[EventDate "2020.11.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Sweden 4 Springare"]
[BlackTeam "Costa Rica"]
[WhiteTeamCountry "SWE"]
[BlackTeamCountry "CRI"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d4 Bxd4 6. Nxd4 Nxd4 7. Bg5 h6 8. Bh4 d6 9. h3 Bd7 10. f4 Nc6 11. c3 Qe7 12. b4 Be6 13. Nd2 Bxc4 14. Nxc4 Qe6 15. Qe2 0-0-0 16. f5 Qe7 17. Rfd1 Qe8 18. b5 Ne7 19. Bf2 Qxb5 20. Nxd6+ cxd6 21. Qxb5 Nxe4 22. Qc4+ Nc5 23. Bxc5 dxc5 24. Qxf7 Nc6 25. Qe6+ Kb8 26. Rd7 Rhe8 27. Qd6+ Ka8 28. Rd1 Rb8 29. Qxc5 e4 30. Rc7 Re5 31. Qd6 Ree8 32. Rxc6 e3 33. Rc7 e2 34. Re1 Rbd8 35. Rd7 Rc8 36. Qd3 Rf8 37. Rxe2 Kb8 38. Ree7 Rce8 39. Qd6+ Ka8 40. Rxe8+ Rxe8 41. Rd8+ Rxd8 42. Qxd8# 1-0

