[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.20"]
[Round "9"]
[White "Hernandez, Stefano"]
[Black "Mena Mayo, Jairo"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "1706"]
[BlackElo "1739"]
[PlyCount "48"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 e6 6. Be2 Qc7 7. Bg5 b5 8. Nxc6 dxc6 9. a3 Bb7 10. 0-0 Be7 11. Bxe7 Nxe7 12. Qd2 Rd8 13. Qe3 c5 14. Rad1 0-0 15. Na2 e5 16. Nc1 Rd4 17. Bd3 Rfd8 18. Be2 c4 19. c3 Rxd1 20. Rxd1 Rxd1+ 21. Bxd1 Ng6 22. Ne2 Nf8 23. b3 Qd6 24. bxc4 Qxd1# 0-1

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.20"]
[Round "8"]
[White "Mena Mayo, Jairo"]
[Black "Castano Orrego, Simon"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1739"]
[BlackElo "1797"]
[PlyCount "86"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. c4 Bg7 5. cxd5 Nxd5 6. Bc4 0-0 7. 0-0 b6 8. Nc3 Bb7 9. Qb3 Nxc3 10. bxc3 e6 11. Ba3 Re8 12. d4 Nd7 13. Rae1 Nf6 14. Bb5 c6 15. Bd3 c5 16. Bb5 Nd7 17. dxc5 Qc7 18. cxb6 axb6 19. Rd1 Red8 20. Be7 Nc5 21. Bxd8 Rxd8 22. Rxd8+ Qxd8 23. Rd1 Qc7 24. Qc2 Be4 25. Qd2 Qb7 26. Be2 Bd5 27. c4 Ne4 28. Qc2 Bc6 29. Rd8+ Bf8 30. Ne5 Nc5 31. Nxc6 Qxc6 32. Bf3 Qc7 33. Qd2 h6 34. h4 h5 35. e4 Nb7 36. Ra8 Qc5+ 37. Kh1 Qxc4 38. f5 exf5 39. Qh6 Qb4 40. Rxf8+ Qxf8 41. Qxf8+ Kxf8 42. exf5 Nd6 43. fxg6 fxg6 1/2-1/2

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.19"]
[Round "7"]
[White "Fitzgerald, Daniela"]
[Black "Mena Mayo, Jairo"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1647"]
[BlackElo "1739"]
[PlyCount "128"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Qe2 e5 7. c3 Be7 8. d4 0-0 9. Rd1 Qc7 10. Na3 a6 11. Nc2 Rfe8 12. Bg5 exd4 13. cxd4 Bf8 14. Nd2 cxd4 15. Nxd4 d5 16. Qf1 Nxe4 17. Nxe4 dxe4 18. Nf5 Qa5 19. Nd6 Bxd6 20. Rxd6 Qxg5 21. Rxd7 b5 22. Rad1 Rad8 23. Rxd8 Rxd8 24. Rxd8+ Qxd8 25. Qe2 f5 26. h3 h6 27. Qc2 Kh7 28. Qc5 Qf6 29. Qc2 Qe6 30. a3 e3 31. fxe3 Qxe3+ 32. Kh2 Qe5+ 33. Kh1 Qe4 34. Qc8 f4 35. Qg4 Qb1+ 36. Kh2 Qxb2 37. Qf5+ g6 38. Qf7+ Qg7 39. Qxf4 Qe7 40. Qf3 a5 41. Qb3 b4 42. axb4 axb4 43. Kh1 h5 44. Kh2 h4 45. Qc4 Qe5+ 46. Kh1 Qe1+ 47. Kh2 Qg3+ 48. Kh1 b3 49. Qf7+ Kh6 50. Qf8+ Kg5 51. Qc5+ Kf6 52. Qd4+ Ke6 53. Qc4+ Ke5 54. Qc5+ Ke4 55. Qc4+ Ke5 56. Qc5+ Ke6 57. Qc4+ Kf6 58. Qd4+ Qe5 59. Qxh4+ Kg7 60. Qd8 b2 61. Qd7+ Kh6 62. Qd2+ Kh7 63. Qd7+ Qg7 64. Qd1 Qc3 0-1

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.19"]
[Round "6"]
[White "Mena Mayo, Jairo"]
[Black "Hernandez Pinzon, Helvert"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1739"]
[BlackElo "1921"]
[PlyCount "162"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. f4 d5 3. exd5 Nf6 4. Bb5+ Nbd7 5. c4 Qc7 6. d3 a6 7. Bxd7+ Bxd7 8. Nf3 e6 9. 0-0 0-0-0 10. Ne5 Be8 11. dxe6 fxe6 12. Nc3 Bd6 13. Re1 Rf8 14. Qe2 Bh5 15. Qc2 Ng4 16. Nxg4 Bxg4 17. g3 h5 18. Ne4 Be7 19. Be3 Rd7 20. Bf2 Rfd8 21. Re3 Rd4 22. Rae1 Qd7 23. Qc3 b6 24. a3 Bf6 25. Nxf6 gxf6 26. b4 Qc6 27. Re4 Rxd3 28. Qxf6 Rd1 29. Qe5 Bf5 30. R4e3 cxb4 31. axb4 R1d4 32. b5 Qa8 33. R3e2 R4d6 34. c5 bxc5 35. Qxc5+ Kd7 36. bxa6 Qxa6 37. Re3 Qb7 38. Ra3 Qd5 39. Ra7+ Ke8 40. Qc3 R6d7 41. Qh8+ Ke7 42. Qg7+ Ke8 43. Qg8+ Ke7 44. Qg5+ Kf8 45. Rxd7 Rxd7 46. Rc1 Rc7 47. Ra1 Bh3 48. Qxd5 exd5 49. Ra8+ Bc8 50. Kg2 Rc2 51. Ra7 d4 52. Kf1 d3 53. Be3 Bh3+ 54. Kg1 Rg2+ 55. Kh1 Re2 56. Bc5+ Kg8 57. Ra1 Kf7 58. Rd1 Bf5 59. Kg1 Ke6 60. Bb4 Kd5 61. Rd2 Re3 62. Kf2 Ke4 63. Bc5 Rf3+ 64. Kg2 h4 65. Bf2 h3+ 66. Kf1 Bg4 67. Ke1 Kd5 68. Ba7 Kc4 69. Bb6 Bf5 70. Ba7 Be4 71. Bb6 Bf5 72. Ra2 Kb3 73. Rd2 Bc8 74. Rf2 Rxf2 75. Kxf2 Kc2 76. Be3 Bg4 77. f5 Bxf5 78. Kf3 d2 79. Bxd2 Kxd2 80. g4 Bxg4+ 81. Kxg4 Ke3 1/2-1/2

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.18"]
[Round "5"]
[White "Franco, Jhonier"]
[Black "Mena Mayo, Jairo"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "1851"]
[BlackElo "1739"]
[PlyCount "85"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. c4 e5 2. f4 e4 3. d4 c6 4. Nc3 Bb4 5. Qb3 Qe7 6. e3 Nf6 7. Bd2 a5 8. a3 Bxc3 9. Bxc3 d5 10. g3 dxc4 11. Bxc4 b5 12. Bf1 Be6 13. Qc2 0-0 14. Ne2 Nbd7 15. h3 b4 16. Bd2 c5 17. Rc1 bxa3 18. bxa3 cxd4 19. Nxd4 Qxa3 20. Nxe6 fxe6 21. Bc4 Nc5 22. Ke2 Rfb8 23. Bc3 Nd5 24. Bd4 Na4 25. Ra1 Rb2 26. Qxb2 Nac3+ 27. Qxc3 Nxc3+ 28. Bxc3 Qxc3 29. Bxe6+ Kf8 30. Rhd1 Rb8 31. Ra2 Rb6 32. Bd5 a4 33. Rdd2 a3 34. Rac2 Qa5 35. Bxe4 Qh5+ 36. g4 Qxh3 37. Rc8+ Ke7 38. Rc7+ Ke8 39. Rc8+ Ke7 40. Rc7+ Ke6 41. Bf5+ Kf6 42. Be4 Ke6 43. f5+ 1/2-1/2

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.18"]
[Round "4"]
[White "Mena Mayo, Jairo"]
[Black "Garces Trujillo, Luis Javier"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "1739"]
[BlackElo "1879"]
[PlyCount "97"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. Bxc6+ bxc6 7. h3 Be7 8. Nc3 0-0 9. 0-0 Rb8 10. b3 Ne8 11. Bb2 c5 12. Nd5 f5 13. Nd2 Nf6 14. Nxe7+ Qxe7 15. f4 fxe4 16. fxe5 dxe5 17. Nxe4 Nxe4 18. Rxf8+ Qxf8 19. dxe4 Qd6 20. Qh5 Bb7 21. Rd1 Qg6 22. Qxg6 hxg6 23. Bxe5 Bxe4 24. Rd7 Bxc2 25. Rxg7+ Kf8 26. Rxc7 Rb5 27. Rxc5 Ke7 28. b4 Bb1 29. Rxb5 axb5 30. a3 Ke6 31. Bg7 Kd5 32. Kf2 Kc4 33. Ke3 Kb3 34. Kf4 Kxa3 35. Bf8 Kb3 36. Kg5 Kc4 37. g4 Kd5 38. Kf6 Ke4 39. h4 Kf4 40. h5 g5 41. h6 Kxg4 42. Kg7 Kf4 43. h7 Bxh7 44. Kxh7 Ke5 45. Kh6 g4 46. Kh5 g3 47. Kh4 g2 48. Bc5 Kd5 49. Kg3 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.17"]
[Round "2"]
[White "Lopez Romero, Karol Bibiana"]
[Black "Mena Mayo, Jairo"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1857"]
[BlackElo "1739"]
[PlyCount "90"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Qc7 6. Bd3 Nf6 7. Nd2 d5 8. 0-0 Nxd4 9. Bxd4 e5 10. Be3 Be7 11. c3 0-0 12. h3 Be6 13. Qe2 Rad8 14. Rad1 dxe4 15. Nxe4 Nxe4 16. Bxe4 f5 17. Bc2 Bxa2 18. Rxd8 Bxd8 19. f4 e4 20. Rd1 Be6 21. Qf2 Be7 22. Bd4 Rd8 23. Be5 Rxd1+ 24. Bxd1 Bd6 25. Qd4 Bxe5 26. fxe5 Qd7 27. Kf2 Qxd4+ 28. cxd4 f4 29. Bc2 Bd5 30. g3 g5 31. gxf4 gxf4 32. Bd1 Kf7 33. Bg4 Be6 34. Bh5+ Ke7 35. h4 Kd7 36. Bd1 Kc6 37. Bc2 Bf5 38. Bb3 Bg4 39. d5+ Kc5 40. e6 Kd6 41. Ba4 b5 42. Bb3 e3+ 43. Ke1 f3 44. Bc2 f2+ 45. Kf1 Bh3+ 0-1

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.17"]
[Round "3"]
[White "Mena Mayo, Jairo"]
[Black "Mena Ardila, Alexander"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1739"]
[BlackElo "1919"]
[PlyCount "72"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Bc4 0-0 5. 0-0 d6 6. d3 c6 7. h3 h6 8. Bd2 a5 9. a3 Bc5 10. Qc1 Kh7 11. Ba2 b5 12. Ne2 Ng8 13. Ng3 Ne7 14. Be3 Na6 15. c3 Ng6 16. d4 Ba7 17. Rd1 Qe7 18. Qc2 f6 19. Rd2 c5 20. dxc5 Bxc5 21. Rad1 Ra7 22. b4 Bxe3 23. fxe3 Rd8 24. Nf5 Bxf5 25. exf5 Nf8 26. Qb3 h5 27. e4 axb4 28. cxb4 Rc7 29. Nh4 g5 30. fxg6+ Nxg6 31. Nf5 Qf8 32. Rxd6 Rxd6 33. Rxd6 Rc4 34. Qe3 Nf4 35. Bxc4 bxc4 36. Rxa6 Qd8 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.16"]
[Round "1"]
[White "Mena Mayo, Jairo"]
[Black "Lopez Ramirez, Jorge Hernan"]
[Result "1/2-1/2"]
[ECO "C63"]
[WhiteElo "1739"]
[BlackElo "1883"]
[PlyCount "123"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. Bg5 Bc5 7. 0-0 d6 8. Nc3 0-0 9. Nd5 Kh8 10. Nh4 Ne7 11. Bd3 c6 12. Nxf6 gxf6 13. Bh6 Rg8 14. Kh1 Bg4 15. Be2 Qd7 16. f3 Be6 17. Qd2 Ng6 18. Nxg6+ Rxg6 19. Be3 Bxe3 20. Qxe3 d5 21. exd5 cxd5 22. Bd3 d4 23. Qe2 Rg7 24. b3 Rag8 25. Rf2 Rc8 26. f4 Qd6 27. fxe5 fxe5 28. Re1 Bd5 29. Qxe5 Qxe5 30. Rxe5 Bc6 31. Kg1 Rd8 32. g3 a6 33. a4 Rc7 34. Rf4 Kg7 35. Rg5+ Kh8 36. Rgg4 Rcd7 37. Rh4 Kg8 38. Rf6 Rg7 39. Bc4+ Kh8 40. Rxd4 Rxg3+ 41. hxg3 Rxd4 42. Bxa6 Kg7 43. Rxc6 bxc6 44. Bd3 h6 45. a5 Kf6 46. a6 Rd8 47. Be4 Ra8 48. Bxc6 Rxa6 49. Bb5 Rd6 50. Bd3 Kg5 51. b4 Kg4 52. Kf2 Rf6+ 53. Kg2 Re6 54. Bb5 Re7 55. c3 Re3 56. Bd7+ Kg5 57. c4 Re4 58. Bb5 Re2+ 59. Kf3 Rb2 60. c5 Rxb4 61. Bd7 Rc4 62. c6 1/2-1/2

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.28"]
[Round "9"]
[White "Garzon Camelo, Andres Santiago"]
[Black "Mena Mayo, Jairo"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1685"]
[BlackElo "1822"]
[PlyCount "22"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Qc7 4. Nc3 e6 5. 0-0 d6 6. d3 Nf6 7. h3 Be7 8. Be3 Bd7 9. Re1 0-0 10. d4 cxd4 11. Nxd4 a6 1/2-1/2

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.27"]
[Round "8"]
[White "Mena Mayo, Jairo"]
[Black "Ramirez Ramirez, Anderson"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1822"]
[BlackElo "1668"]
[PlyCount "73"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. f4 d5 3. e5 Bf5 4. Nf3 e6 5. d4 Be7 6. Bd3 Nh6 7. 0-0 c5 8. c3 Nc6 9. Be3 Ng4 10. Qe2 Nxe3 11. Qxe3 Bxd3 12. Qxd3 Qb6 13. Nbd2 g6 14. Kh1 cxd4 15. Nxd4 Nxd4 16. cxd4 h5 17. Rac1 Kd7 18. Rc3 Rhc8 19. Rb3 Qc6 20. g3 Rab8 21. Kg2 Qc2 22. Qb5+ Rc6 23. Rc3 Qxd2+ 24. Rf2 Qxd4 25. Rxc6 bxc6 26. Qxb8 Bc5 27. Rf3 Qd2+ 28. Kh3 Bg1 29. Qd6+ Ke8 30. Kh4 Qxh2+ 31. Kg5 Bb6 32. Kf6 Bd8+ 33. Kg7 Qc2 34. Rb3 g5 35. Qf8+ Kd7 36. Qxf7+ Kc8 37. Qb7# 1-0

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.26"]
[Round "6"]
[White "Acuna, Nelson David"]
[Black "Mena Mayo, Jairo"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1994"]
[BlackElo "1822"]
[PlyCount "81"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d6 3. e4 Bg4 4. f3 Bh5 5. Bg5 Nbd7 6. Qd2 h6 7. Bh4 c6 8. 0-0-0 g5 9. Bg3 Qa5 10. Kb1 0-0-0 11. Nge2 Bg7 12. Nc1 c5 13. Nd5 Qxd2 14. Nxe7+ Kc7 15. Rxd2 Rhe8 16. Nf5 Bf8 17. Nb3 Bg6 18. dxc5 Bxf5 19. cxd6+ Kb8 20. exf5 Nh5 21. Bf2 a6 22. Bc4 Ne5 23. Be2 Rxd6 24. Rhd1 Rxd2 25. Rxd2 Nf4 26. g3 Nh3 27. Bd4 Nc6 28. Bb6 f6 29. a3 h5 30. Ka2 g4 31. fxg4 Bh6 32. g5 Bxg5 33. Bxh5 Rh8 34. Re2 Ne5 35. Bg6 Nd7 36. Bd4 Kc7 37. Nc5 Nxc5 38. Bxc5 Rd8 39. b4 Rd1 40. Re7+ Kc6 41. Be8+ 1-0

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.26"]
[Round "7"]
[White "Mena Mayo, Jairo"]
[Black "Hernandez, Stefano"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1822"]
[BlackElo "1572"]
[PlyCount "98"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. f4 e5 3. Nf3 exf4 4. Bc4 Nc6 5. c3 h6 6. h4 Qc7 7. Na3 a6 8. Qb3 d6 9. Bd5 Na5 10. Qd1 Nf6 11. d3 Nh5 12. Bd2 g6 13. b4 Nc6 14. d4 Ng3 15. Rh2 Nh5 16. Qb1 cxb4 17. cxb4 Bg7 18. Qd3 0-0 19. Rc1 Qe7 20. Kf2 Nd8 21. b5 Be6 22. b6 Bxd5 23. exd5 f5 24. Rc7 Qf6 25. Rh1 Ng3 26. Re1 Ne4+ 27. Kg1 g5 28. hxg5 hxg5 29. Nc2 Qh6 30. Ba5 g4 31. Nd2 g3 32. Nf3 Nf2 33. Kf1 Nxd3 34. Ree7 Nf7 35. Ke2 Nf2 36. Rxb7 Rfe8 37. Kd2 Rxe7 38. Rxe7 Qf6 39. b7 Rb8 40. Re6 Rxb7 41. Rxf6 Bxf6 42. Bb4 Kg7 43. a3 Kg6 44. Nce1 Kh5 45. Ke2 Ne4 46. Kd3 Be7 47. Ng1 Bd8 48. Ne2 Kg4 49. Bd2 Nxd2 0-1

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.25"]
[Round "4"]
[White "Mena Mayo, Jairo"]
[Black "Gaviria Galvis, Andres Felipe"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1822"]
[BlackElo "2014"]
[PlyCount "62"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. f4 d5 3. e5 c5 4. Nf3 Nc6 5. c4 d4 6. d3 h5 7. Be2 e6 8. Nbd2 Nh6 9. Ne4 Nf5 10. Nfg5 Be7 11. Bxh5 Bxg5 12. Nxg5 g6 13. Bf3 Ng3 14. Bxc6+ bxc6 15. Rg1 Nf5 16. Qf3 Qb6 17. b3 a5 18. Bd2 Kf8 19. h3 a4 20. g4 Ne3 21. Bxe3 dxe3 22. Ke2 axb3 23. axb3 Rxa1 24. Rxa1 Qxb3 25. Kxe3 Kg7 26. Qd1 Qb2 27. Ra7 Bb7 28. Qa1 Qb3 29. Ra3 Qb6 30. Qc3 Ba8 31. Rb3 Qc7 1/2-1/2

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.25"]
[Round "5"]
[White "Olarte Parra, Jhoan Sebastian"]
[Black "Mena Mayo, Jairo"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1984"]
[BlackElo "1822"]
[PlyCount "49"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c4 e5 4. Nc3 d6 5. Be2 Nf6 6. a3 Be7 7. d3 0-0 8. Rb1 a5 9. Bg5 Nd4 10. 0-0 h6 11. Bxf6 Bxf6 12. Nxd4 cxd4 13. Nd5 Be6 14. Nxf6+ Qxf6 15. b4 axb4 16. axb4 b6 17. Qd2 Qe7 18. Ra1 Qb7 19. Qb2 Rfc8 20. f4 f6 21. f5 Bf7 22. b5 Rxa1 23. Rxa1 Ra8 24. Ra3 Rxa3 25. Qxa3 1/2-1/2

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.24"]
[Round "3"]
[White "Mena Mayo, Jairo"]
[Black "Cuartas Lozano, Santiago"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1822"]
[BlackElo "1429"]
[PlyCount "67"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. f4 g6 3. Nf3 Bg7 4. Bc4 e6 5. Nc3 Nc6 6. 0-0 Nge7 7. e5 d6 8. exd6 Qxd6 9. d3 0-0 10. Be3 b6 11. Ne4 Qc7 12. c3 Nd5 13. Qd2 Bb7 14. Rae1 Rfd8 15. Nfg5 h6 16. Nh3 f5 17. Ng3 Na5 18. Qe2 Qc6 19. Bc1 Re8 20. Bb3 Nxb3 21. axb3 Rad8 22. Rf3 Qd6 23. Nf2 Nxc3 24. bxc3 Bxf3 25. Qxf3 Bxc3 26. Re2 e5 27. fxe5 Qf8 28. Qc6 Kg7 29. Nh5+ Kh8 30. Qxg6 Bxe5 31. Rxe5 Rxe5 32. Bb2 Rde8 33. Nh3 R8e6 34. Qxe6 1-0

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.24"]
[Round "2"]
[White "Ospina Castro, Santiago"]
[Black "Mena Mayo, Jairo"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "2052"]
[BlackElo "1822"]
[PlyCount "129"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e5 7. Nf5 Bxf5 8. exf5 Be7 9. Bxf6 Bxf6 10. Ne4 Be7 11. f6 gxf6 12. Ng3 Qb6 13. Bd3 0-0-0 14. Bf5+ Kb8 15. 0-0 h5 16. Qd5 h4 17. Ne2 Rdf8 18. c3 Rh5 19. Bh3 Rg5 20. b4 f5 21. a4 Nd8 22. a5 Qc7 23. f4 exf4 24. Rxf4 Bf6 25. Raf1 Be5 26. Rxf5 Rfg8 27. Kh1 f6 28. Rxg5 Rxg5 29. Qe4 d5 30. Qxh4 a6 31. g3 Qf7 32. Qxg5 fxg5 33. Rxf7 Nxf7 34. Be6 Nd6 35. Bxd5 Nf5 36. Kg1 Ne3 37. Bb3 Kc7 38. h3 Kd6 39. Kf2 Nd5 40. Bxd5 Kxd5 41. Ke3 Kc4 42. h4 gxh4 43. gxh4 Bf6 44. h5 Bg7 45. Ke4 Bf8 46. Kf5 Kd3 47. Nf4+ Kxc3 48. Ne6 Bh6 49. Kg6 Bd2 50. Ng5 Kxb4 51. h6 Bc3 52. Ne6 Kxa5 53. Ng7 b5 54. h7 b4 55. h8Q b3 56. Qc8 Kb4 57. Qxa6 Bxg7 58. Kxg7 Kc3 59. Qc6+ Kb2 60. Kf6 Kb1 61. Ke5 b2 62. Kd4 Ka2 63. Qa4+ Kb1 64. Kc3 Kc1 65. Qc2# 1-0

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.23"]
[Round "1"]
[White "Varela Sanchez, David Yoel"]
[Black "Mena Mayo, Jairo"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1257"]
[BlackElo "1822"]
[PlyCount "124"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 Nf6 6. Bc4 e6 7. Bf4 d6 8. 0-0 Be7 9. Qe2 0-0 10. h3 a6 11. a4 Qc7 12. Rfd1 Rd8 13. Rac1 Bd7 14. Bb3 Qb6 15. Bc2 Qxb2 16. e5 Qb4 17. exf6 Qxf4 18. fxe7 Nxe7 19. Qd3 Nf5 20. Ne2 Qh6 21. Qb3 Bc6 22. Bxf5 exf5 23. Ned4 Rac8 24. Nxc6 bxc6 25. Nd4 c5 26. Nxf5 Qf6 27. Ne3 Qe6 28. Qb6 d5 29. Qb7 d4 30. Nc4 Rb8 31. Qc7 Rdc8 32. Qa5 f6 33. Re1 Qc6 34. Nd2 Rb2 35. Nf3 Qd6 36. Red1 Rbb8 37. Qc3 Qe6 38. Qc4 Kf7 39. Re1 Qxc4 40. Rxc4 Rb4 41. Rec1 Rxc4 42. Rxc4 Ke6 43. Kf1 Kd5 44. Nd2 Rb8 45. Rc1 Rb4 46. a5 c4 47. Ra1 c3 48. Nb1 Kc4 49. Ke2 Rb2+ 50. Ke1 Kd3 51. Na3 c2 52. g3 Kc3 53. Nxc2 Kxc2 54. Rd1 d3 55. Rd2+ Kc3 56. Rxb2 Kxb2 57. Kd2 Kb3 58. Kxd3 Kb4 59. Kd4 Kxa5 60. Kc5 Ka4 61. Kc4 f5 62. f3 g6 0-1

[Event "Zujar Villa Termal blitz 2nd"]
[Site "Lichess.org INT"]
[Date "2020.09.12"]
[Round "4"]
[White "Alvarez Perez, Adan"]
[Black "Mena Mayo, Jairo"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1901"]
[PlyCount "90"]
[EventDate "2020.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. d4 c5 2. d5 e6 3. c4 d6 4. Nc3 Nf6 5. g3 e5 6. e4 Be7 7. Bg2 0-0 8. Nge2 Bg4 9. f3 Bd7 10. Be3 a6 11. Qb3 Qc8 12. a4 Bd8 13. 0-0 b6 14. f4 Ng4 15. Bd2 exf4 16. Bxf4 Qc7 17. h3 Ne5 18. Rad1 Bf6 19. Nc1 Bc8 20. Nd3 Nbd7 21. g4 Nxd3 22. Rxd3 Bd4+ 23. Kh1 Ne5 24. Rd2 Ng6 25. Ne2 Nxf4 26. Nxf4 Bd7 27. Ne2 Be5 28. Rf3 Rab8 29. Nc3 Qd8 30. Bf1 Qh4 31. Kg2 Bxg4 32. Rfd3 Bd7 33. Qd1 f5 34. Re2 fxe4 35. Nxe4 Bf5 36. Rde3 Bxe4+ 37. Rxe4 Rf2+ 38. Rxf2 Qg3+ 39. Kh1 Qxf2 40. Qe2 Qg3 41. Rg4 Qb3 42. Bg2 Rf8 43. Be4 Qxh3+ 44. Kg1 Rf1+ 45. Qxf1 Qh2# 0-1

[Event "Zujar Villa Termal blitz 2nd"]
[Site "Lichess.org INT"]
[Date "2020.09.12"]
[Round "2"]
[White "De La Pena Llerandi, Adolfo"]
[Black "Mena Mayo, Jairo"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1474"]
[PlyCount "144"]
[EventDate "2020.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 d5 5. exd5 Qxd5 6. Ne2 e5 7. Nbc3 Bb4 8. Bd2 Bxc3 9. Bxc3 exd4 10. Nxd4 Nf6 11. Qe2+ Be6 12. Nxe6 Qxe6 13. 0-0-0 Qxe2 14. Bxe2 0-0 15. Bxf6 gxf6 16. Rd3 Rfd8 17. Rg3+ Kh8 18. Bh5 Rd7 19. Re1 Ne5 20. Kb1 Ng6 21. Rf3 Rad8 22. Rxf6 Kg7 23. Rf3 Rd2 24. Rf5 R8d6 25. Re2 Rd1+ 26. Kc2 Rh1 27. h3 Rc6+ 28. Kb3 Rb6+ 29. Ka3 Ra6+ 30. Kb3 Rb6+ 31. Ka3 Rd1 32. Re3 Rd2 33. b4 Ra6+ 34. Ra5 Rxa5+ 35. bxa5 Rxf2 36. Bf3 b6 37. axb6 axb6 38. Rb3 Ne5 39. Bd5 Rd2 40. Be4 h6 41. Rb5 f6 42. Kb3 Rd6 43. a4 Kf7 44. Bd5+ Kg6 45. g4 Kg5 46. Be4 Kh4 47. Bf5 Nf3 48. g5 Nd4+ 49. Kc4 Nxb5 50. axb5 hxg5 51. Bg4 Kg3 52. Bc8 Kf4 53. Bg4 f5 54. Be2 g4 55. hxg4 fxg4 56. Bxg4 Kxg4 57. Kb4 Kf4 58. Kc4 Ke4 59. Kb4 Kd4 60. Ka4 Kc5 61. Kb3 Kxb5 62. Kc3 Kc5 63. Kb3 b5 64. Ka3 b4+ 65. Kb3 Rd3+ 66. Kb2 b3 67. Kb1 Kb4 68. Kb2 Rd2+ 69. Kc1 Rh2 70. Kb1 Ka3 71. Kc1 b2+ 72. Kb1 Rh1+ 0-1

[Event "Zujar Villa Termal blitz 2nd"]
[Site "Lichess.org INT"]
[Date "2020.09.12"]
[Round "1"]
[White "Mena Mayo, Jairo"]
[Black "Garcia Moral Garcia, Jose Daniel"]
[Result "1/2-1/2"]
[ECO "B23"]
[BlackElo "2305"]
[PlyCount "117"]
[EventDate "2020.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 e6 2. f4 d5 3. Nc3 c5 4. Nf3 Nc6 5. Bb5 Nf6 6. e5 Nd7 7. 0-0 Qb6 8. a4 a6 9. Bxc6 Qxc6 10. d3 Be7 11. Bd2 0-0 12. Ne2 d4 13. Ng3 g6 14. h4 b6 15. h5 Bb7 16. b3 b5 17. axb5 axb5 18. Qe2 Rxa1 19. Rxa1 Ra8 20. Rxa8+ Bxa8 21. hxg6 hxg6 22. Ne4 Qa6 23. Qd1 Qa2 24. Nfg5 c4 25. bxc4 bxc4 26. Nf3 Bxe4 27. dxe4 Nc5 28. Bb4 d3 29. cxd3 cxd3 30. Kh2 Qc4 31. Bxc5 Bxc5 32. Qe1 Be7 33. Qe3 Bc5 34. Qe1 Be7 35. Qe3 Qc2 36. Qa7 Qc5 37. Qd7 Qa3 38. f5 gxf5 39. exf5 exf5 40. Qxf5 Qc3 41. e6 fxe6 42. Qxe6+ Kf8 43. Qf5+ Ke8 44. Kh3 Qh8+ 45. Kg3 Qg7+ 46. Kf2 Qc3 47. Kg3 d2 48. Qg6+ Kd8 49. Qg8+ Kc7 50. Qd5 Bd6+ 51. Kg4 Qb4+ 52. Kf5 Qf4+ 53. Ke6 Qg4+ 54. Kf7 Qxg2 55. Qc4+ Kd7 56. Qe6+ Kc7 57. Qc4+ Kb7 58. Qd5+ Kc7 59. Qc4+ 1/2-1/2

[Event "Zujar Villa Termal blitz 2nd"]
[Site "Lichess.org INT"]
[Date "2020.09.12"]
[Round "6"]
[White "Mena Mayo, Jairo"]
[Black "Gil Alba, Hector Luis"]
[Result "0-1"]
[ECO "C30"]
[BlackElo "2264"]
[PlyCount "100"]
[EventDate "2020.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 Nc6 5. d4 Bb6 6. fxe5 dxe5 7. d5 Nce7 8. Nxe5 Nf6 9. Bg5 Ng6 10. Nxg6 hxg6 11. Be2 Qd6 12. Bxf6 Qxf6 13. Bf3 g5 14. Rf1 Rxh2 15. Nd2 Qf4 16. Nc4 g4 17. Nxb6 gxf3 18. Qa4+ Kf8 19. Rxf3 Qh4+ 20. Kd2 Rxg2+ 21. Kd3 cxb6 22. Raf1 Be6 23. Qb4+ Kg8 24. dxe6 Rd8+ 25. Ke3 Qh6+ 26. Rf4 Rg3+ 27. R1f3 Rxf3+ 28. Kxf3 Qh3+ 29. Ke2 Qxe6 30. a3 Qg6 31. Rf3 Qg2+ 32. Rf2 Qg4+ 33. Ke3 Qd1 34. Qc4 Qe1+ 35. Kf3 Qh1+ 36. Ke3 Qh6+ 37. Kf3 a6 38. Kg2 Qg6+ 39. Kh2 Rd1 40. Rg2 Qd6+ 41. Kh3 Rd3+ 42. Kg4 Qg6+ 43. Kf4 Qf6+ 44. Kg4 Qf3+ 45. Kg5 Qxg2+ 46. Kf4 Rf3+ 47. Ke5 Qg5+ 48. Kd4 Qf6+ 49. e5 Rf4+ 50. Kd5 Qe6# 0-1

[Event "Zujar Villa Termal blitz 2nd"]
[Site "Lichess.org INT"]
[Date "2020.09.12"]
[Round "3"]
[White "Mena Mayo, Jairo"]
[Black "Suarez Garcia, Alvaro"]
[Result "1-0"]
[ECO "C30"]
[BlackElo "1714"]
[PlyCount "45"]
[EventDate "2020.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 e5 2. f4 Nc6 3. Nf3 d6 4. Bb5 Bg4 5. 0-0 Be7 6. d3 Nf6 7. c3 0-0 8. Bxc6 bxc6 9. Qa4 Bxf3 10. Rxf3 Qd7 11. Na3 c5 12. Qc2 c6 13. fxe5 dxe5 14. Nc4 Bd6 15. Bg5 Ne8 16. Be3 Nc7 17. Qf2 Ne6 18. Rf1 f6 19. Qg3 Kh8 20. Qg4 Rfd8 21. Rh3 Nf4 22. Qxd7 Nxh3+ 23. Qxh3 1-0

[Event "Zujar Villa Termal blitz 2nd"]
[Site "Lichess.org INT"]
[Date "2020.09.12"]
[Round "7"]
[White "Sanchez Millan, Eduardo"]
[Black "Mena Mayo, Jairo"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1979"]
[PlyCount "74"]
[EventDate "2020.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 Bg4 5. Ne5 Bf5 6. g4 Nxg4 7. e4 Nxe5 8. exf5 Nxc4 9. Qb3 Nb6 10. Bf4 N8d7 11. 0-0-0 g6 12. Bd3 gxf5 13. Bxf5 e6 14. Rde1 Qh4 15. Be3 Bh6 16. Kb1 Bxe3 17. Rxe3 Qxf2 18. Rhe1 Qxf5+ 19. Ka1 0-0-0 20. a4 Rhg8 21. a5 Nc4 22. R3e2 Qd3 23. a6 Na5 24. axb7+ Nxb7 25. Qa3 Kb8 26. Re3 Qxd4 27. Na4 Rg2 28. Rb3 Nb6 29. Rb4 Qd2 30. Rb1 Nxa4 31. Qxa4 c5 32. Rb5 Ka8 33. Qa6 Rb8 34. Qc6 Rgg8 35. Rf1 Qd4 36. Qa6 Qc4 37. h4 Qxf1+ 0-1

[Event "Zujar Villa Termal blitz 2nd"]
[Site "Lichess.org INT"]
[Date "2020.09.12"]
[Round "5"]
[White "Tabuenca Mendataurigoitia, Pedro"]
[Black "Mena Mayo, Jairo"]
[Result "1-0"]
[ECO "B49"]
[WhiteElo "1919"]
[PlyCount "105"]
[EventDate "2020.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Bd3 Nc6 6. Be2 b5 7. d4 cxd4 8. Nxd4 Bb7 9. 0-0 e6 10. Be3 Qc7 11. f4 d6 12. f5 Nxd4 13. Qxd4 Nf6 14. fxe6 fxe6 15. Rxf6 gxf6 16. Qxf6 Bg7 17. Bh5+ Kd7 18. Qxg7+ Kc6 19. Qxc7+ Kxc7 20. Bf3 Rhg8 21. Rd1 Raf8 22. Kh1 Bc6 23. Ne2 e5 24. Nc3 Kd7 25. Nd5 a5 26. h3 a4 27. Bh6 Rf7 28. Bg4+ Rxg4 29. hxg4 Rf2 30. Rd2 Rf1+ 31. Kh2 Rb1 32. b3 a3 33. Nc3 Rb2 34. Bf8 d5 35. Bxa3 b4 36. Bxb2 bxc3 37. Bxc3 d4 38. Bb4 Bxe4 39. a4 Ke6 40. a5 Bb7 41. Ba3 Kd5 42. Bb2 Bc8 43. Kg3 Ba6 44. g5 Ke4 45. Rd1 Ke3 46. Rh1 e4 47. Rxh7 d3 48. cxd3 exd3 49. Rd7 d2 50. Rxd2 Kxd2 51. g6 Kc2 52. g7 Kxb2 53. g8Q 1-0

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "6"]
[White "Becerra, Juan David"]
[Black "Mena Mayo, Jairo"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2330"]
[PlyCount "73"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 c6 3. Bf4 Bf5 4. e3 e6 5. f3 Bd6 6. Bxd6 Qxd6 7. g4 Bg6 8. h4 Qg3+ 9. Kd2 h5 10. Nce2 Qd6 11. Nf4 hxg4 12. Nxg6 fxg6 13. fxg4 Nf6 14. Bd3 e5 15. Bxg6+ Kd8 16. g5 Nfd7 17. Bd3 exd4 18. exd4 Qf4+ 19. Kc3 c5 20. Ne2 cxd4+ 21. Nxd4 Qc7+ 22. Kd2 Qf4+ 23. Kc3 Kc8 24. b3 Nc6 25. Nxc6 bxc6 26. Kb2 Rxh4 27. Rxh4 Qxh4 28. Qg1 Kc7 29. Re1 Rf8 30. Qxa7+ Kd6 31. Qe3 Qh8 32. Qe7+ Kc7 33. Re6 g6+ 34. c3 Qh2+ 35. Bc2 Qh8 36. Qd6+ Kd8 37. Re7 1-0

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "4"]
[White "Forni, Cristian"]
[Black "Mena Mayo, Jairo"]
[Result "0-1"]
[ECO "B32"]
[PlyCount "102"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qxf6 Nxf6 9. Nc3 b5 10. Bg5 b4 11. Nd5 Nxd5 12. exd5 Ne7 13. d6 Nf5 14. 0-0-0 0-0 15. Bd3 Nd4 16. Be3 Ne6 17. Be4 Rb8 18. Ba7 Rb5 19. g3 f5 20. Bd5 Bb7 21. Bxe6+ dxe6 22. Rhe1 e4 23. d7 Bd5 24. Bd4 Rd8 25. g4 g6 26. gxf5 exf5 27. h4 Rxd7 28. Rg1 Bf7 29. h5 Rbd5 30. hxg6 hxg6 31. c3 bxc3 32. bxc3 Rb5 33. Rh1 Bxa2 34. Rh8+ Kf7 35. Rh7+ Ke6 36. Rxd7 Rb1+ 37. Kc2 Rxd1 38. Kxd1 Kxd7 39. Kc2 Bc4 40. Be3 a5 41. Bf4 a4 42. Kb2 Kc6 43. Ka3 Kb5 44. Bg5 Bb3 45. Bf4 Kc4 46. Bd2 Kd3 47. Bf4 Kxc3 48. Be3 Kd3 49. Bf4 Ke2 50. Be3 Kf3 51. Kb2 f4 0-1

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "8"]
[White "Magallan, Gaston"]
[Black "Mena Mayo, Jairo"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2067"]
[PlyCount "141"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 cxd4 5. 0-0 a6 6. Bc4 b5 7. Bxf7+ Kxf7 8. Qh5+ g6 9. Qd5+ e6 10. Qxa8 Bd6 11. c3 d3 12. e5 Bxe5 13. Qf3+ Nf6 14. Re1 Qc7 15. g3 Bb7 16. Qxd3 Qc6 17. f3 Bc7 18. Qe2 Rf8 19. d4 Kg8 20. Nd2 Nh5 21. Ne4 Nf6 22. Bh6 Rf7 23. Ng5 Re7 24. Rad1 Ng4 25. Ne4 Nxh6 26. d5 Qb6+ 27. Kg2 Nf5 28. d6 Nxd6 29. Nxd6 Bxd6 30. Qd3 Bc5 31. b4 Bf2 32. Re2 Bxg3 33. hxg3 Rf7 34. Rf2 Qc6 35. Qe3 Qc4 36. Rd4 Qc6 37. Rf4 Rxf4 38. Qxf4 Qxc3 39. Qb8+ Bc8 40. a3 Kf7 41. Qf4+ Kg8 42. Qe4 Qc7 43. Rc2 Qb8 44. Qd3 Kf7 45. Qd2 Ke7 46. Qg5+ Kf7 47. Qh6 Bb7 48. Qxh7+ Kf6 49. Qh4+ Kf7 50. Qd4 Bc6 51. Rc1 Qd8 52. Rh1 Qf6 53. Rh7+ Kg8 54. Qxf6 Kxh7 55. Qe7+ Kh6 56. g4 g5 57. Kg3 e5 58. Qxe5 Kg6 59. Qf5+ Kg7 60. Qxg5+ Kf7 61. Qf5+ Ke7 62. g5 Kd8 63. Qf6+ Kc7 64. g6 Kb6 65. g7 a5 66. g8Q axb4 67. axb4 Kb7 68. Qgd8 Ka7 69. Qd6 Ka6 70. Q6c7 Bxf3 71. Qb6# 1-0

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "7"]
[White "Mena Mayo, Jairo"]
[Black "Cantero, Carlos Ramon"]
[Result "1-0"]
[ECO "B21"]
[BlackElo "1948"]
[PlyCount "57"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. f4 d5 3. e5 Bf5 4. Nf3 e6 5. Bb5+ Nc6 6. 0-0 Nge7 7. Nh4 Bg6 8. d3 Nf5 9. Nxf5 exf5 10. Nc3 Be7 11. Qf3 0-0 12. Qxd5 Nd4 13. Qxd8 Rfxd8 14. Ba4 a6 15. Bb3 b5 16. Be3 Rac8 17. Bxd4 Rxd4 18. Ne2 Rdd8 19. a4 c4 20. dxc4 bxc4 21. Ba2 Rd2 22. Nc3 Rxc2 23. Rab1 Bh5 24. Rfc1 Bc5+ 25. Kh1 Rf2 26. Nd5 Be2 27. Bxc4 Bxc4 28. Rxc4 Kf8 29. b4 1-0

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "9"]
[White "Mena Mayo, Jairo"]
[Black "Fuentes Martin, Nicolas"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "87"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 Nf6 4. c4 Qd8 5. Nc3 Bg4 6. f3 Bf5 7. Nge2 e6 8. Ng3 Bg6 9. Be2 Be7 10. Be3 Nbd7 11. Qd2 c5 12. 0-0 0-0 13. Rad1 Qc8 14. d5 exd5 15. Nxd5 Nxd5 16. Qxd5 Nb6 17. Qd2 Bf6 18. b3 Qc7 19. Ne4 Be7 20. Bf4 Qc6 21. Bd3 Rad8 22. Qe2 Nd7 23. Bb1 Rfe8 24. Rfe1 Nf6 25. Nxf6+ Bxf6 26. Rxd8 Rxd8 27. Bxg6 hxg6 28. Be5 Re8 29. f4 g5 30. Qd2 gxf4 31. Bxf4 Rxe1+ 32. Qxe1 b6 33. Be5 Qe6 34. Bg3 Bd4+ 35. Kh1 Qf5 36. h3 Qc2 37. Kh2 Qxa2 38. Qe8+ Kh7 39. Qxf7 Qc2 40. Qh5+ Kg8 41. Qe8+ Kh7 42. Qh5+ Kg8 43. Qe8+ Kh7 44. Qh5+ 1/2-1/2

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "1"]
[White "Mena Mayo, Jairo"]
[Black "Geijo, Gerardo"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "35"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e6 2. f4 d5 3. e5 c5 4. Nf3 Nc6 5. c4 d4 6. d3 Nge7 7. Nbd2 Nf5 8. Ne4 Bd7 9. Be2 h6 10. 0-0 Be7 11. a3 a6 12. Bd2 0-0 13. Re1 b6 14. Bf1 g5 15. fxg5 hxg5 16. Nfxg5 Kg7 17. Qg4 Nh6 18. Nxe6+ 1-0

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "5"]
[White "Mena Mayo, Jairo"]
[Black "Rivera Quintero, Ramon Alberto"]
[Result "1-0"]
[ECO "B21"]
[BlackElo "1747"]
[PlyCount "81"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. f4 d6 3. Nf3 Nc6 4. c3 g6 5. d4 cxd4 6. cxd4 Bg7 7. d5 Nb8 8. Nc3 Nf6 9. Be2 0-0 10. 0-0 Qb6+ 11. Kh1 Ng4 12. Qe1 Na6 13. h3 Nf6 14. Bd3 Nc5 15. Bc2 h5 16. Rb1 Qd8 17. Be3 a6 18. e5 Nh7 19. e6 fxe6 20. Bxg6 exd5 21. Nxd5 Bf5 22. Bxf5 Rxf5 23. Rd1 e6 24. Bxc5 Nf8 25. Bb6 Qd7 26. Ne3 Rb5 27. Bd4 e5 28. fxe5 dxe5 29. Bxe5 Qf7 30. Bxg7 Qxg7 31. Qc3 Rxb2 32. Qxg7+ Kxg7 33. Rd2 Rb5 34. Nd4 Re5 35. Nc4 Rc5 36. Rxf8 Kxf8 37. Ne6+ Ke7 38. Nxc5 Rc8 39. Rd7+ Ke8 40. Nd6+ Kf8 41. Nxc8 1-0

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "3"]
[White "Mena Mayo, Jairo"]
[Black "Rodriguez, Santiago"]
[Result "0-1"]
[ECO "B21"]
[BlackElo "2252"]
[PlyCount "96"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 d5 2. e5 c5 3. f4 Nc6 4. Nf3 Bg4 5. Bb5 e6 6. 0-0 Nge7 7. c4 a6 8. Bxc6+ Nxc6 9. cxd5 Qxd5 10. Nc3 Qd3 11. Qb3 0-0-0 12. Qb6 Be7 13. a3 c4 14. Na4 Rd5 15. Qe3 Kb8 16. Qxd3 Rxd3 17. Ne1 Rd5 18. Nc3 Bc5+ 19. Kh1 Rd7 20. h3 h5 21. Ne4 Ba7 22. Nd6 Be2 23. Rg1 Nd4 24. Nf3 Nxf3 25. gxf3 Bxf3+ 26. Kh2 Bxg1+ 27. Kxg1 Bd5 28. Kf2 f6 29. Ke3 fxe5 30. fxe5 Rf8 31. d4 cxd3 32. Kxd3 Rf3+ 33. Kd4 Rxh3 34. b4 Rh1 35. Bb2 Rxa1 36. Bxa1 g5 37. Bc3 h4 38. Be1 Rh7 39. Ne8 h3 40. Bg3 h2 41. Bxh2 Rxh2 42. Nf6 g4 43. Nxd5 Rd2+ 44. Ke3 Rxd5 45. Kf4 Rd4+ 46. Kg3 b5 47. Kh4 Kc7 48. Kg3 Kc6 0-1

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "10"]
[White "Mena Mayo, Jairo"]
[Black "Zabala, Adriel"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "2065"]
[PlyCount "190"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 d5 2. e5 Bf5 3. f4 e6 4. Nf3 c5 5. d4 Qb6 6. c3 Nc6 7. Bd3 Nge7 8. dxc5 Qxc5 9. b4 Qb6 10. a4 a6 11. a5 Qc7 12. Be3 Bxd3 13. Qxd3 Nf5 14. Bb6 Qd7 15. 0-0 Be7 16. Na3 0-0 17. Nc2 f6 18. Ncd4 Ncxd4 19. Nxd4 fxe5 20. fxe5 Nxd4 21. cxd4 Bxb4 22. Rab1 Rxf1+ 23. Qxf1 Rf8 24. Qd3 Be7 25. h3 Bg5 26. Bc5 Rf7 27. Rf1 Rxf1+ 28. Qxf1 Qf7 29. Qd3 Bh4 30. g3 Bg5 31. h4 Bh6 32. Kg2 g6 33. Qb1 Be3 34. Qc2 Qf5 35. Qxf5 gxf5 36. Kf3 Bd2 37. Bb6 Kf7 38. g4 fxg4+ 39. Kxg4 Kg6 40. h5+ Kh6 41. Kh4 Bc3 42. Kg4 Kg7 43. Kg5 Bd2+ 44. Kg4 Kf7 45. Kf3 Ke7 46. Ke2 Bc3 47. Kd3 Be1 48. Ke2 Bh4 49. Kd3 Kf7 50. Ke3 Be7 51. Kf3 Kg7 52. Kg4 Bb4 53. Bc7 Kf7 54. Bb6 Bd2 55. Kf3 Ke7 56. Ke2 Bg5 57. Bc5+ Kd7 58. Kd3 Kc6 59. Bb6 Kb5 60. Kc3 Bh4 61. Kd2 Kc4 62. Ke3 Bg5+ 63. Kf3 Bd2 64. Kg4 Be3 65. Kh4 h6 66. Bd8 Bxd4 67. Bf6 Be3 68. Kg4 d4 69. Kf3 Bd2 70. Ke2 Bf4 71. Kf3 Bc1 72. Ke2 d3+ 73. Kd1 Bf4 74. Bg7 Kd4 75. Ke1 Kc3 76. Kd1 Kb4 77. Bf6 Kxa5 78. Bg7 Kb4 79. Bf6 a5 80. Bh4 a4 81. Be7+ Kb3 82. Bd6 a3 83. Bc5 b5 84. Bd4 b4 85. Ba1 Kc4 86. Ke1 b3 87. Kf2 b2 88. Bxb2 axb2 89. Kf3 Bg5 90. Ke4 b1Q 91. Kf3 Qe1 92. Kg2 d2 93. Kh3 d1Q 94. Kg2 Qg4+ 95. Kh2 Qeg1# 0-1

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "2"]
[White "Pesuto, Nicolas"]
[Black "Mena Mayo, Jairo"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1962"]
[PlyCount "80"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 c5 2. c3 cxd4 3. cxd4 d5 4. Nc3 Nc6 5. Bf4 Bf5 6. e3 e6 7. Qb3 Qd7 8. Bb5 Bd6 9. Bxd6 Qxd6 10. f4 Nge7 11. Nf3 0-0 12. 0-0 a6 13. Be2 b5 14. a4 b4 15. Nb1 Na5 16. Qd1 Nc4 17. Bxc4 dxc4 18. Ne5 Rfc8 19. g4 Bxb1 20. Rxb1 f6 21. Nf3 Nd5 22. Qe2 c3 23. Rfc1 a5 24. Ne1 e5 25. dxe5 fxe5 26. f5 e4 27. Nc2 cxb2 28. Rxb2 Rc3 29. Rd1 Qc5 30. Nd4 Nxe3 31. Rdd2 Rc8 32. Ne6 Qa7 33. Kh1 Nc4 34. Qxe4 Nxd2 35. Rxd2 Rc1+ 36. Kg2 Qg1+ 37. Kh3 R1c3+ 38. Kh4 R3c4 39. Rd4 Qxh2+ 40. Kg5 Qh6# 0-1

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "11"]
[White "Picco, Santiago"]
[Black "Mena Mayo, Jairo"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "96"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 c6 4. a4 e5 5. e3 exd4 6. exd4 Be6 7. Nf3 Bb4 8. Be2 Nf6 9. 0-0 0-0 10. Ne5 Bxc3 11. bxc3 Nd5 12. Qc2 b5 13. axb5 cxb5 14. Ba3 Re8 15. Bc5 a6 16. Rfb1 Nd7 17. Nxd7 Qxd7 18. Bf3 Bf5 19. Qd2 Bxb1 20. Rxb1 Qf5 21. h3 Qxb1+ 22. Kh2 Qf5 23. Bg4 Qf4+ 24. Qxf4 Nxf4 25. Kg3 Nd3 26. Bd7 Nxc5 27. dxc5 Red8 28. c6 Rxd7 29. cxd7 Rd8 30. Kf4 Rxd7 31. Ke5 Rd3 32. Ke4 g6 33. f4 f5+ 34. Ke5 Kf7 35. g4 Rxh3 36. gxf5 gxf5 37. Kxf5 Rxc3 38. Ke4 Rd3 39. f5 a5 40. f6 a4 41. Kf4 a3 42. Kg5 a2 43. Kh6 Kxf6 44. Kh5 Rg3 45. Kh4 Rg1 46. Kh3 Rg6 47. Kh4 a1Q 48. Kh3 Qh1# 0-1

[Event "Medellin Experts 17th"]
[Site "Medellin"]
[Date "2010.08.06"]
[Round "4.17"]
[White "Palomino, Dario"]
[Black "Mena Mayo, Jairo"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1875"]
[BlackElo "1834"]
[PlyCount "75"]
[EventDate "2010.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 d5 5. d3 d4 6. Ne2 Bd6 7. g3 e5 8. fxe5 Nxe5 9. Nxe5 Bxe5 10. Bg2 Bg4 11. 0-0 Nf6 12. Qe1 Qd6 13. Bf4 h5 14. h3 Bd7 15. Qf2 0-0-0 16. Bxe5 Qxe5 17. Qf4 Rhe8 18. Kh2 Kb8 19. Ng1 Ka8 20. Qxe5 Rxe5 21. Nf3 Re7 22. Rae1 Bc6 23. Nh4 Ne8 24. Rf5 c4 25. Rxh5 cxd3 26. cxd3 Nf6 27. Rc5 Nd7 28. Rcc1 Ne5 29. Nf5 Red7 30. Red1 f6 31. Rc5 Kb8 32. Nh4 b6 33. Rcc1 Bb5 34. Bf1 Rh8 35. Kg2 g5 36. Nf5 Rdh7 37. Kf2 Rxh3 38. Bxh3 1-0

[Event "Medellin Experts 17th"]
[Site "Medellin"]
[Date "2010.08.05"]
[Round "2.21"]
[White "Mena Mayo, Jairo"]
[Black "Velez Alvarez, Laura Camila"]
[Result "1-0"]
[ECO "C34"]
[WhiteElo "1834"]
[BlackElo "1649"]
[PlyCount "33"]
[EventDate "2010.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 exf4 4. Bc4 Nc6 5. d4 Bg4 6. Bxf4 Qf6 7. Be3 Be7 8. Nc3 Qg6 9. 0-0 Nf6 10. Qd2 Nxe4 11. Nxe4 Qxe4 12. Bxf7+ Kd7 13. Rae1 Bxf3 14. Rxf3 Bf6 15. Bf2 Bg5 16. Qxg5 Qxc2 17. Be6+ 1-0

[Event "Medellin Experts 17th"]
[Site "Medellin"]
[Date "2010.08.04"]
[Round "1.7"]
[White "Echavarria, Gustavo"]
[Black "Mena Mayo, Jairo"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1971"]
[BlackElo "1834"]
[PlyCount "43"]
[EventDate "2010.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 Bg4 4. f3 Bh5 5. Ne2 e6 6. Nf4 Bd6 7. 0-0 c5 8. c3 Nc6 9. Qe1 Bxf4 10. exf4 cxd4 11. f5 dxc3 12. Nxc3 Qe7 13. g4 Bxg4 14. fxg4 Nxg4 15. Qg3 h5 16. fxe6 0-0 17. exf7+ Rxf7 18. Rxf7 Qxf7 19. Bf4 Re8 20. Rf1 Qe7 21. Bg6 Rd8 22. Bxh5 1-0

[Event "Medellin Americas op"]
[Site "Medellin"]
[Date "2009.11.16"]
[Round "8"]
[White "Mena Mayo, Jairo"]
[Black "Narvaez Ramirez, Faber Alberto"]
[Result "1/2-1/2"]
[ECO "B06"]
[BlackElo "2137"]
[PlyCount "65"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 g6 2. f4 Bg7 3. d4 c5 4. c3 cxd4 5. cxd4 d6 6. Nc3 Nh6 7. Nf3 Nc6 8. Be3 0-0 9. Bd3 Ng4 10. Bg1 e5 11. fxe5 dxe5 12. d5 Nd4 13. h3 Nh6 14. Qd2 Nxf3+ 15. gxf3 f5 16. Bc5 Re8 17. 0-0-0 Bd7 18. Qf2 Rc8 19. Bxa7 Qa5 20. Rdg1 Rxc3+ 21. bxc3 Qxc3+ 22. Bc2 Bf8 23. Kb1 Ba3 24. Bb3 Bb5 25. Rd1 Bd3+ 26. Rxd3 Qxd3+ 27. Qc2 Qxc2+ 28. Kxc2 Kf8 29. Kd3 Nf7 30. Rb1 Ra8 31. Bf2 b5 32. Bc2 Nd6 33. Rb3 1/2-1/2

[Event "Medellin Americas op"]
[Site "Medellin"]
[Date "2009.11.16"]
[Round "9"]
[White "Rendon, Daniel"]
[Black "Mena Mayo, Jairo"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "2075"]
[PlyCount "68"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. Nc3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Nxc6 bxc6 8. Be3 d6 9. Be2 Nf6 10. 0-0 0-0 11. Rc1 c5 12. f4 Bb7 13. Bf3 Rb8 14. b3 Nd7 15. Qd2 Re8 16. Rfd1 Nf8 17. Qf2 Ne6 18. e5 Bxf3 19. Qxf3 Qa5 20. Rf1 Nd4 21. Bxd4 cxd4 22. Na4 Rbd8 23. Qe4 dxe5 24. f5 d3 25. Rcd1 Rd4 26. Qe3 Red8 27. fxg6 hxg6 28. Rd2 e4 29. Qf4 Qf5 30. Qh4 Qe5 31. Qf2 f5 32. Qe3 Kh7 33. Rf4 g5 34. Qh3+ Kg6 0-1

[Event "Medellin Americas op"]
[Site "Medellin"]
[Date "2009.11.15"]
[Round "7"]
[White "Grajales Villamil, Daniel Adolfo"]
[Black "Mena Mayo, Jairo"]
[Result "0-1"]
[ECO "B44"]
[PlyCount "108"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. Bc4 e6 6. Be3 Nf6 7. f3 Qc7 8. Bb3 Bd6 9. Nc3 Bxh2 10. Bf2 Bg3 11. Qd2 Bxf2+ 12. Qxf2 Nxd4 13. Qxd4 Qg3+ 14. Qf2 Qxf2+ 15. Kxf2 d6 16. Rad1 Ke7 17. Na4 b5 18. Nb6 Rb8 19. Nxc8+ Rhxc8 20. a3 a5 21. Ke3 a4 22. Ba2 Rxc2 23. Rd2 Rbc8 24. Bb1 Rxd2 25. Kxd2 Rc5 26. Bd3 Kd7 27. Ke3 Kc6 28. g4 h6 29. Rh2 Kb6 30. Rc2 Rxc2 31. Bxc2 Kc5 32. b4+ axb3 33. Bxb3 d5 34. e5 d4+ 35. Kd3 Nd5 36. a4 bxa4 37. Bxa4 f6 38. Bd7 fxe5 39. Bc8 Nb4+ 40. Ke4 Kd6 41. f4 exf4 42. Kxf4 d3 43. Ke3 Ke5 44. Bb7 g5 45. Be4 Nd5+ 46. Kxd3 Nf6 47. Bg6 Kf4 48. Bf7 e5 49. Bh5 e4+ 50. Ke2 Nxh5 51. gxh5 e3 52. Ke1 Kf3 53. Kf1 e2+ 54. Ke1 g4 0-1

[Event "Medellin Americas op"]
[Site "Medellin"]
[Date "2009.11.15"]
[Round "6"]
[White "Mena Mayo, Jairo"]
[Black "Castaneda, John Jairo"]
[Result "0-1"]
[ECO "D48"]
[BlackElo "2181"]
[PlyCount "132"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. 0-0 c5 10. b3 Bb7 11. Bb2 cxd4 12. Nxd4 Be7 13. Rc1 0-0 14. Bb1 Qb6 15. Qe2 Rfd8 16. Rfd1 Nc5 17. Qe1 Rac8 18. Nce2 g6 19. Ng3 h5 20. h3 h4 21. Nf1 e5 22. Ne2 e4 23. Bd4 b4 24. Nd2 Qe6 25. Rc4 g5 26. Qf1 a5 27. Bxc5 Bxc5 28. Qe1 Ba6 29. Rcc1 Qe5 30. Nf1 Nd5 31. Nh2 f5 32. Rc2 Bd3 33. Rxd3 exd3 34. Nf3 Qf6 35. Rxc5 Rxc5 36. Bxd3 Nxe3 37. Nc1 Nd5 38. Bc4 Kg7 39. Nd3 Rcc8 40. Qe5 Qxe5 41. Ndxe5 Kf6 42. Kh2 Nf4 43. g3 hxg3+ 44. Kxg3 Rh8 45. h4 Nh5+ 46. Kh2 g4 47. Nd7+ Ke7 48. Nfe5 Kd6 49. Bb5 Rh7 50. Nb6 Rc2 51. Nec4+ Kc5 52. Be8 Nf4 53. Kg3 Ne2+ 54. Kg2 Rxh4 55. Na4+ Kd4 56. Ne3 Nf4+ 57. Kg3 Rh3+ 58. Kxf4 Rxf2+ 59. Kg5 Kxe3 60. Bd7 g3 61. Bc6 Rc2 62. Ba8 Rh8 63. Bd5 f4 64. Kg4 Rh6 65. Bb7 Rg6+ 66. Kf5 Rgc6 0-1

[Event "Medellin Americas op"]
[Site "Medellin"]
[Date "2009.11.14"]
[Round "5"]
[White "Manotas, S Franklin"]
[Black "Mena Mayo, Jairo"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2002"]
[PlyCount "66"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 e6 7. a3 Qc7 8. Be3 Ne5 9. Rc1 Neg4 10. Qd2 Nxe3 11. Qxe3 Bc5 12. Qd2 0-0 13. Be2 b6 14. b4 Be7 15. 0-0 Bb7 16. f3 Rfd8 17. Qe3 d6 18. Rfd1 Rac8 19. Bf1 Ba8 20. Kh1 h6 21. Qf2 Nd7 22. Nc2 Bf6 23. Ne3 Ne5 24. f4 Nd7 25. f5 Bxc3 26. Rxc3 Bxe4 27. fxe6 fxe6 28. Qg3 Nf6 29. Qh3 Re8 30. c5 bxc5 31. Bxa6 Bb7 32. Bxb7 Qxb7 33. Rxd6 Ne4 0-1

[Event "Medellin Americas op"]
[Site "Medellin"]
[Date "2009.11.14"]
[Round "4"]
[White "Mena Mayo, Jairo"]
[Black "Valle, Efrain"]
[Result "0-1"]
[ECO "A40"]
[BlackElo "2198"]
[PlyCount "28"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nc6 2. d5 Ne5 3. f4 Ng6 4. f5 Ne5 5. Bf4 d6 6. e4 Nf6 7. Nd2 g6 8. Bxe5 dxe5 9. Ngf3 gxf5 10. Nxe5 h5 11. Qf3 Bh6 12. Bd3 Bxd2+ 13. Kxd2 c6 14. exf5 cxd5 0-1

[Event "Medellin Americas op"]
[Site "Medellin"]
[Date "2009.11.13"]
[Round "3"]
[White "Castaneda, Carlos Arturo"]
[Black "Mena Mayo, Jairo"]
[Result "0-1"]
[ECO "B28"]
[PlyCount "78"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Bc4 e6 5. Ne5 Qa5+ 6. c3 Qxe5 7. 0-0 dxc3 8. Nxc3 Nf6 9. Qf3 Bd6 10. g3 g5 11. Rd1 b5 12. Bb3 Bb7 13. Bc2 Bc5 14. Be3 Bxe3 15. Qxe3 Nc6 16. a3 h5 17. f3 0-0-0 18. Qb6 h4 19. g4 Qc7 20. Qc5 Ne5 21. Qe3 Nfxg4 22. fxg4 Nxg4 23. Qe2 Qb6+ 24. Kf1 Ne3+ 25. Ke1 Nxd1 26. Rxd1 f5 27. Kd2 f4 28. Kc1 Qe3+ 29. Qxe3 fxe3 30. Rd3 d5 31. exd5 exd5 32. Bb3 d4 33. Ne2 Rhe8 34. Bf7 Re7 35. Bh5 Be4 36. Rxd4 Rxd4 37. Nxd4 Kb7 38. Be2 Rc7+ 39. Kd1 Rd7 0-1

[Event "Medellin Americas op"]
[Site "Medellin"]
[Date "2009.11.13"]
[Round "2"]
[White "Mena Mayo, Jairo"]
[Black "Duque, Johan"]
[Result "1-0"]
[ECO "C35"]
[PlyCount "61"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. g3 fxg3 6. 0-0 d5 7. Bxd5 gxh2+ 8. Kh1 Qe7 9. d4 c6 10. Bxf7+ Qxf7 11. Nxh4 Qe7 12. Ng2 Be6 13. d5 Bf7 14. Nc3 Nd7 15. dxc6 bxc6 16. Bf4 Ngf6 17. Bd6 Qe6 18. Nf4 Qg4 19. e5 Qxd1 20. Raxd1 Nh5 21. e6 Ng3+ 22. Kg2 Nxf1 23. exf7+ Kxf7 24. Rxf1 Nf6 25. Bc5 Rhd8 26. Nd3 Kg6 27. Ne5+ Kh6 28. Be3+ g5 29. Rxf6+ Kg7 30. Rf7+ Kg8 31. Ne4 1-0

