[Event "BOL-ch"]
[Site "Oruro"]
[Date "2024.04.07"]
[Round "9"]
[White "Ribera, Miguel Angel"]
[Black "Titichoca Daza, Daniel Henry"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "1953"]
[BlackElo "2130"]
[PlyCount "97"]
[EventDate "2024.04.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 d6 3. Nc3 e5 4. d4 e4 5. Nd2 Qe7 6. e3 g6 7. Be2 h5 8. b4 Bg7 9. a4 0-0 10. b5 c5 11. bxc6 bxc6 12. Ba3 c5 13. Nb3 Na6 14. 0-0 Nb4 15. Rb1 Rb8 16. Nb5 Rd8 17. Bxb4 cxb4 18. Na5 Bd7 19. Nxa7 Ng4 20. h3 Nh6 21. N7c6 Qg5 22. Kh2 Ra8 23. Qd2 Rxa5 24. Nxa5 Qxa5 25. Rxb4 Qg5 26. Rfb1 Nf5 27. Qc2 Kh7 28. Rb8 Rxb8 29. Rxb8 Nxd4 30. Qd1 Be5+ 31. Kh1 Bxh3 32. gxh3 Qh4 33. Kg2 Nf5 34. Qd5 Kg7 35. Rb7 Bf6 36. Qxf7+ Kh6 37. Qh7+ Kg5 38. Rb5 Be5 39. Rxe5 dxe5 40. Qh8 Ne7 41. Qxe5+ Kh6 42. Qf4+ Qxf4 43. exf4 Nc6 44. Bd1 Kg7 45. Bc2 Na5 46. c5 Nb7 47. c6 Nd6 48. c7 Kf6 49. Bxe4 1-0

[Event "BOL-ch"]
[Site "Oruro"]
[Date "2024.04.06"]
[Round "8"]
[White "Cueto Chajtur, Johny"]
[Black "Ribera, Miguel Angel"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "2100"]
[BlackElo "1953"]
[PlyCount "151"]
[EventDate "2024.04.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qe2 Be7 8. f4 h6 9. Bh4 Nxe4 10. Nxe4 Bxh4+ 11. g3 Be7 12. 0-0-0 d5 13. Nf2 Nc6 14. Bg2 Qb6 15. Nb3 a5 16. a4 Bd7 17. Rhe1 Rc8 18. Kb1 0-0 19. Qe3 Qc7 20. c3 Rfe8 21. Ng4 h5 22. Nf2 Bf6 23. Nd3 b6 24. f5 d4 25. cxd4 Nxd4 26. Nxd4 Bxd4 27. Qxd4 Qc2+ 28. Ka2 Rc4 29. Qxd7 Rxa4+ 30. Qxa4 Qxa4+ 31. Kb1 e5 32. Nf2 Qb5 33. Ne4 Qb4 34. Nc3 b5 35. Rd5 Qg4 36. Rxb5 Qxf5+ 37. Be4 Qf2 38. Re2 Qf1+ 39. Kc2 g6 40. Rxa5 Re7 41. Bd3 Qf6 42. Ra6 Qf3 43. Ra5 f6 44. Bxg6 Kg7 45. Be4 Qg4 46. Rf2 Rc7 47. Bd3 e4 48. Be2 Qd7 49. Rff5 Qd4 50. Bxh5 Qd3+ 51. Kb3 Qc4+ 52. Ka3 Re7 53. Be2 Qd4 54. Ra4 Qd2 55. Rd5 Qe3 56. Rdd4 f5 57. Rdc4 Rd7 58. Ra6 Rb7 59. Rcc6 Qd4 60. Bc4 Qd2 61. Rg6+ Kh7 62. Rh6+ Qxh6 63. Rxh6+ Kxh6 64. b4 Kg5 65. Be2 Kf6 66. b5 Ke5 67. Kb4 Rh7 68. b6 Rxh2 69. b7 Rh8 70. Kc5 Rb8 71. Ba6 Rg8 72. Ne2 Rf8 73. Kc6 Rf6+ 74. Kd7 Rf8 75. Bc4 e3 76. Kc7 1-0

[Event "BOL-ch"]
[Site "Oruro"]
[Date "2024.04.06"]
[Round "7"]
[White "Ribera, Miguel Angel"]
[Black "Montevilla Cahuasa, Jonathan Isaac"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "1953"]
[BlackElo "1974"]
[PlyCount "44"]
[EventDate "2024.04.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. c4 e5 2. g3 c6 3. Nf3 e4 4. Nd4 d5 5. cxd5 Qxd5 6. Nc2 Nf6 7. Bg2 Qh5 8. h3 Qg6 9. Nc3 Bc5 10. Ne3 0-0 11. Qc2 Re8 12. b3 Na6 13. Bb2 Nb4 14. Qc1 Bb6 15. Na4 Bc7 16. a3 Nbd5 17. Nxd5 Nxd5 18. Qc2 Bxg3 19. fxg3 Qxg3+ 20. Kf1 e3 21. Kg1 Nf4 22. Rh2 Qf2+ 0-1

[Event "BOL-ch"]
[Site "Oruro"]
[Date "2024.04.05"]
[Round "6"]
[White "Gemy Vargas, Jose Daniel"]
[Black "Ribera, Miguel Angel"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2317"]
[BlackElo "1953"]
[PlyCount "71"]
[EventDate "2024.04.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. 0-0 e6 5. d3 Be7 6. Nbd2 0-0 7. e4 Nc6 8. Re1 b5 9. a4 bxa4 10. exd5 exd5 11. Rxa4 Bf5 12. Ne5 Nxe5 13. Rxe5 Qd7 14. b3 Bd6 15. Re1 Rae8 16. Nf3 h6 17. Bd2 Rxe1+ 18. Qxe1 Re8 19. Qa1 Bg4 20. Rxa7 Qf5 21. Nh4 Qe6 22. Ra8 Rxa8 23. Qxa8+ Kh7 24. Bf1 g5 25. Ng2 d4 26. Qc6 Bf5 27. Ne1 Kg6 28. Nf3 Nd5 29. b4 Ne7 30. Qa6 Bg4 31. bxc5 Bxf3 32. Qxd6 Qxd6 33. cxd6 Nc6 34. Bg2 Bxg2 35. Kxg2 g4 36. d7 1-0

[Event "BOL-ch"]
[Site "Oruro"]
[Date "2024.04.04"]
[Round "4"]
[White "Mayta Aiza, Maveric"]
[Black "Ribera, Miguel Angel"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2084"]
[BlackElo "1953"]
[PlyCount "85"]
[EventDate "2024.04.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. d4 cxd4 6. Qxd4 Nc6 7. Qd3 Nf6 8. Nc3 g6 9. 0-0 Bg7 10. Bg5 h6 11. Bh4 Rc8 12. Rfe1 0-0 13. Rad1 Ng4 14. Bg3 Nge5 15. Nxe5 Nxe5 16. Bxe5 Bxe5 17. Nd5 e6 18. Ne3 Bxb2 19. Nc4 Bg7 20. Nxd6 Rc3 21. Qe2 Qa4 22. e5 Rxc2 23. Qf3 Qc6 24. Qf4 b5 25. h4 f6 26. Qg4 fxe5 27. Ne4 Qe8 28. Rd6 Qf7 29. Qxe6 Qxe6 30. Rxe6 Rxa2 31. Rxg6 b4 32. Rd1 Kh7 33. h5 Rf7 34. Rd3 Re2 35. f3 a5 36. Ra6 Ra2 37. Rb6 Rc7 38. Rdd6 Rf7 39. Rg6 Rb2 40. Nd6 Ra7 41. Ne8 Kg8 42. Rb8 Kh7 43. Rxg7+ 1-0

[Event "BOL-ch"]
[Site "Oruro"]
[Date "2024.04.04"]
[Round "5"]
[White "Ribera, Miguel Angel"]
[Black "Zambrana, Oswaldo"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1953"]
[BlackElo "2407"]
[PlyCount "70"]
[EventDate "2024.04.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 h6 4. cxd5 exd5 5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8. Bd3 0-0 9. Nge2 c6 10. h3 b6 11. 0-0 Ba6 12. Ng3 Bxd3 13. Qxd3 Nbd7 14. Rad1 Rfe8 15. Rfe1 Rad8 16. Nf5 Qc7 17. f3 h5 18. e4 dxe4 19. fxe4 g6 20. e5 Nxe5 21. Qg3 h4 22. Qxh4 Ned7 23. Ne7+ Kg7 24. Re3 Nf8 25. Rde1 Qd7 26. d5 c5 27. Re5 N8h7 28. g4 b5 29. g5 Nh5 30. d6 Qxd6 31. Nf5+ gxf5 32. Rxe8 Rxe8 33. Rxe8 Qg6 34. Nd5 Nxg5 35. Kf1 Nf3 0-1

[Event "BOL-ch"]
[Site "Oruro"]
[Date "2024.04.03"]
[Round "2"]
[White "Martinez, Ariel A"]
[Black "Ribera, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "B97"]
[WhiteElo "2142"]
[BlackElo "1953"]
[PlyCount "95"]
[EventDate "2024.04.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 9. Qd2 Qxb2 10. Rb1 Qa3 11. e5 dxe5 12. fxe5 Nfd7 13. Ne4 Qxa2 14. Rd1 Qd5 15. Qe3 Bc5 16. Nxe6 Bb4+ 17. c3 Qxe6 18. Nd6+ Bxd6 19. Rxd6 Qg4 20. Bf6 Nxf6 21. exf6+ Be6 22. fxg7 Qxg7 23. Bc4 0-0 24. Bxe6 fxe6 25. Qxe6+ Kh8 26. Qe3 Kh7 27. Qe4+ Kh8 28. Qe3 Kh7 29. Qd3+ Kh8 30. Rg6 Qe5+ 31. Kd1 Qf4 32. Kc2 Nc6 33. Rf1 Qa4+ 34. Kb2 Qb5+ 35. Qxb5 axb5 36. Rxh6+ Kg7 37. Rxf8 Rxf8 38. Rh5 Rf2+ 39. Kb3 Rxg2 40. h4 Rg3 41. Kb2 Rg2+ 42. Ka3 Rg3 43. Kb2 Kf6 44. Rxb5 Nd8 45. Rd5 Ke7 46. h5 Nc6 47. Rb5 Nd8 48. Rd5 1/2-1/2

[Event "BOL-ch"]
[Site "Oruro"]
[Date "2024.04.03"]
[Round "3"]
[White "Ribera, Miguel Angel"]
[Black "Bolanos, Fernando"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1953"]
[BlackElo "2227"]
[PlyCount "117"]
[EventDate "2024.04.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. e3 Bc5 7. Nb3 Be7 8. Nc3 d5 9. cxd5 cxd5 10. d3 Bg4 11. Qc2 Nc6 12. dxe4 Nb4 13. Qb1 dxe4 14. 0-0 0-0 15. Bd2 Rfd8 16. h3 Bh5 17. g4 Bg6 18. Nxe4 Rac8 19. Bc3 Re8 20. Nd4 Nbd5 21. Nxf6+ Bxf6 22. Nf5 Nxc3 23. bxc3 Qxb1 24. Raxb1 Bxf5 25. gxf5 b6 26. Rfd1 Re7 27. Rbc1 h5 28. c4 Rec7 29. Bf3 b5 30. Bxh5 bxc4 31. Kf1 c3 32. Rc2 Rb8 33. Bf3 Rb2 34. Be4 Rc4 35. Rxb2 cxb2 36. Bb1 Rh4 37. Kg2 Rc4 38. Kf3 Kh7 39. Ke2 Rc1 40. f4 Kh6 41. e4 Bc3 42. e5 a5 43. e6 fxe6 44. fxe6 Bf6 45. Be4 a4 46. Kd2 Bc3+ 47. Ke2 Bf6 48. Kd2 Rc4 49. Ke3 Rc3+ 50. Ke2 Rc1 51. Kd2 Bc3+ 52. Ke2 Bb4 53. Bb1 a3 54. Bf5 Kh5 55. Rd8 Kh4 56. Kf2 Bc5+ 57. Kg2 Rg1+ 58. Kh2 g6 59. Rh8# 1-0

[Event "BOL-ch"]
[Site "Oruro"]
[Date "2024.04.02"]
[Round "1"]
[White "Ticona Rocabado, Licael Roderick"]
[Black "Ribera, Miguel Angel"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2377"]
[BlackElo "1953"]
[PlyCount "79"]
[EventDate "2024.04.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 Be7 5. Nbd2 0-0 6. Bd3 dxc4 7. Nxc4 c5 8. 0-0 Nbd7 9. b3 b6 10. Bb2 Bb7 11. Qe2 cxd4 12. Bxd4 Nc5 13. Bc2 Be4 14. Rfd1 Bxc2 15. Qxc2 Qc8 16. Rac1 Qb7 17. b4 Nce4 18. b5 Bc5 19. Nfe5 Bxd4 20. Rxd4 Rfd8 21. f3 Nc5 22. Nd6 Qc7 23. Ndxf7 Rd5 24. f4 a6 25. bxa6 Rxa6 26. Ng5 h6 27. Ngf3 Qb7 28. Rc4 Ra3 29. Rc3 Rxc3 30. Qxc3 Qa6 31. Qc2 Nfd7 32. Nc6 Rd6 33. Ncd4 Nf6 34. h3 Nd5 35. Re1 Nb4 36. Qd2 Qa4 37. Rc1 Ne4 38. Qb2 e5 39. Rc8+ Kh7 40. Qb1 1-0

[Event "Oruro Baptista Memorial"]
[Site "Oruro"]
[Date "2023.11.05"]
[Round "9"]
[White "Perez Rodriguez, Cesar Alejandro"]
[Black "Ribera, Miguel Angel"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2308"]
[BlackElo "1923"]
[PlyCount "53"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 h5 10. 0-0-0 Nbd7 11. Kb1 Rc8 12. h4 b5 13. Bg5 0-0 14. a3 Qb6 15. g4 b4 16. axb4 Qxb4 17. Nd5 Nxd5 18. exd5 Qxd2 19. Rxd2 Bxg4 20. Bxe7 Bxf3 21. Rg1 Rfe8 22. Bxd6 Nf6 23. Ba3 Red8 24. Bb4 Rxd5 25. Rxd5 Bxd5 26. Nc5 Ng4 27. Be2 1-0

[Event "Oruro Baptista Memorial"]
[Site "Oruro"]
[Date "2023.11.04"]
[Round "8"]
[White "Ribera, Miguel Angel"]
[Black "Mollo Figueroa, Nicole"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1923"]
[BlackElo "1645"]
[PlyCount "49"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. d3 d6 6. e3 Nf6 7. Nge2 0-0 8. 0-0 Be6 9. Nd5 Rb8 10. Nec3 Ne7 11. Bd2 c6 12. Nxe7+ Qxe7 13. Qa4 a6 14. Rac1 Nd7 15. b4 Rfc8 16. Qd1 f5 17. a4 e4 18. dxe4 Bxc4 19. Re1 Ne5 20. exf5 gxf5 21. Ne2 Qf7 22. Bc3 Bb3 23. Qd2 Bxa4 24. Nf4 Rd8 25. Qb2 1-0

[Event "Oruro Baptista Memorial"]
[Site "Oruro"]
[Date "2023.11.04"]
[Round "7"]
[White "Zambrana, Oswaldo"]
[Black "Ribera, Miguel Angel"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "2400"]
[BlackElo "1923"]
[PlyCount "51"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qe2 b5 8. 0-0-0 Nbd7 9. f4 Qc7 10. g4 Be7 11. Bxf6 Bxf6 12. g5 Bxd4 13. Rxd4 Bb7 14. Bh3 0-0 15. Rhd1 Nc5 16. a3 d5 17. exd5 exd5 18. Kb1 Rfe8 19. Qh5 Ne4 20. Nxe4 Rxe4 21. f5 g6 22. Qh6 Re2 23. Rc1 gxf5 24. Bxf5 f6 25. gxf6 Rxh2 26. Rg4+ 1-0

[Event "Oruro Baptista Memorial"]
[Site "Oruro"]
[Date "2023.11.03"]
[Round "5"]
[White "Ribera, Miguel Angel"]
[Black "Soliz Colque, Pablo Andre"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1923"]
[BlackElo "1324"]
[PlyCount "78"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 g6 3. e4 Nc6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Nc3 Nf6 8. Be2 0-0 9. 0-0 Bd7 10. Nc2 Ne5 11. f3 Rc8 12. b3 a6 13. Qd2 Re8 14. Rac1 Be6 15. Na4 Nfd7 16. f4 Ng4 17. f5 Nxe3 18. Nxe3 Ne5 19. fxe6 fxe6 20. Ng4 Nf7 21. Kh1 Rf8 22. Rcd1 Qe8 23. Nf2 Ne5 24. Nd3 Nc6 25. Bg4 Nd4 26. Nf4 Qf7 27. Qxd4 Bxd4 28. Bxe6 Be5 29. Bxf7+ Rxf7 30. Ne6 b5 31. Nb6 Rc6 32. Rxf7 Kxf7 33. Nd8+ Ke8 34. Nxc6 Bg7 35. cxb5 axb5 36. a4 Bc3 37. Nd5 Kd7 38. Nxc3 Kxc6 39. Nxb5 Kb6 1-0

[Event "Oruro Baptista Memorial"]
[Site "Oruro"]
[Date "2023.11.03"]
[Round "6"]
[White "Ticona Rocabado, Licael Roderick"]
[Black "Ribera, Miguel Angel"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2412"]
[BlackElo "1923"]
[PlyCount "114"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 Be7 5. Nc3 0-0 6. Bd3 dxc4 7. Bxc4 c5 8. 0-0 cxd4 9. Nxd4 Qc7 10. Qe2 e5 11. Ndb5 Qc6 12. e4 Be6 13. Nd5 Bd8 14. Nxf6+ Bxf6 15. Bxe6 fxe6 16. Be3 a6 17. a4 Qxe4 18. Nc7 Nc6 19. Nxa8 Rxa8 20. f3 Qb4 21. Rfd1 Rd8 22. Rxd8+ Bxd8 23. Qd2 Bb6 24. Kh1 Bxe3 25. Qxe3 Qxb2 26. Qa3 Qxa3 27. Rxa3 b5 28. Rc3 Nd4 29. a5 Kf8 30. Rc8+ Ke7 31. Ra8 Kd6 32. Rxa6+ Kc5 33. Ra7 b4 34. a6 b3 35. Rc7+ Kb6 36. Rc1 Kxa6 37. Re1 Kb5 38. Kg1 Kc4 39. Rxe5 b2 40. Re1 Kd3 41. Kf2 Kc2 42. Ke3 Nb3 43. Re2+ Kc3 44. Rxb2 Kxb2 45. Ke4 Kc3 46. Ke5 Nd4 47. Ke4 Nc6 48. f4 Kc4 49. h4 Kc5 50. h5 Kd6 51. g4 Ke7 52. g5 Kf7 53. Ke3 Ne7 54. Ke4 Nf5 55. Ke5 Ng3 56. g6+ hxg6 57. hxg6+ Kxg6 0-1

[Event "Oruro Baptista Memorial"]
[Site "Oruro"]
[Date "2023.11.02"]
[Round "4"]
[White "Nina Cosme, Mons"]
[Black "Ribera, Miguel Angel"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1419"]
[BlackElo "1923"]
[PlyCount "90"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nf3 Nc6 5. Nc3 e6 6. 0-0 Nge7 7. d4 cxd4 8. Nb5 0-0 9. Nbxd4 d5 10. cxd5 exd5 11. Be3 Bf5 12. Rc1 Qd7 13. Qd2 Rac8 14. Rfd1 Be4 15. Ne1 Nxd4 16. Bxd4 Qa4 17. Rxc8 Rxc8 18. Bxe4 dxe4 19. Bxg7 Kxg7 20. b3 Qc6 21. Ng2 Qf6 22. Ne3 h5 23. Qd4 Qxd4 24. Rxd4 Rc1+ 25. Kg2 Ra1 26. Rxe4 Nc6 27. Ra4 a5 28. Nc2 Rd1 29. Rc4 Kf6 30. b4 Rd2 31. Kf1 Rd1+ 32. Kg2 Rd2 33. Kf1 Ne5 34. Rc3 Rd1+ 35. Kg2 Rc1 36. a3 a4 37. f4 Ng4 38. h3 Rxc2 39. Rd3 Rxe2+ 40. Kf3 Rf2+ 41. Ke4 Nh6 42. b5 Rb2 43. Rd6+ Kg7 44. Rb6 Nf5 45. g4 Rxb5 0-1

[Event "Oruro Baptista Memorial"]
[Site "Oruro"]
[Date "2023.11.02"]
[Round "3"]
[White "Ribera, Miguel Angel"]
[Black "Villca Pereira, Rafael"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "1923"]
[BlackElo "1465"]
[PlyCount "36"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 Ne8 10. a4 a5 11. bxa5 Rxa5 12. Nd2 f5 13. Nb3 Ra8 14. Ra3 Nf6 15. Bd3 f4 16. Be2 g5 17. h3 Rf7 18. c5 Bf8 0-1

[Event "Oruro Baptista Memorial"]
[Site "Oruro"]
[Date "2023.11.01"]
[Round "2"]
[White "Arnez Vargas, Anderson"]
[Black "Ribera, Miguel Angel"]
[Result "0-1"]
[ECO "E38"]
[WhiteElo "1435"]
[BlackElo "1923"]
[PlyCount "86"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. e3 d5 6. Nf3 c5 7. a3 Bxc3+ 8. bxc3 Nbd7 9. Bd3 b6 10. cxd5 exd5 11. 0-0 c4 12. Be2 Re8 13. Nd2 Qc7 14. Bf3 Bb7 15. a4 Nf8 16. Re1 Re6 17. e4 dxe4 18. Nxe4 Nxe4 19. Bxe4 Rae8 20. f3 f5 21. d5 Bxd5 22. Bxd5 Qc5+ 23. Be3 Qxd5 24. Rad1 Qc6 25. Kf2 f4 26. Bd4 Rxe1 27. Rxe1 Rxe1 28. Kxe1 Ne6 29. Kd2 Qd5 30. Qe4 Qxe4 31. fxe4 Nxd4 32. cxd4 a6 33. Kc3 b5 34. d5 Kf7 35. Kd4 Ke7 36. e5 g5 37. a5 g4 38. Ke4 c3 39. Kf5 c2 40. d6+ Kd7 41. Kf6 c1Q 42. e6+ Kxd6 43. e7 Qe3 0-1

[Event "Oruro Baptista Memorial"]
[Site "Oruro"]
[Date "2023.11.01"]
[Round "1"]
[White "Ribera, Miguel Angel"]
[Black "Torrejon Teran, Valeria Emily"]
[Result "1-0"]
[ECO "D33"]
[WhiteElo "1923"]
[BlackElo "1189"]
[PlyCount "43"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 e6 4. g3 d5 5. cxd5 exd5 6. d4 Nf6 7. Bg2 Bf5 8. 0-0 Be7 9. dxc5 Bxc5 10. Bg5 d4 11. Na4 Be7 12. Rc1 h6 13. Bxf6 Bxf6 14. Nc5 b6 15. Nb7 Qe7 16. Rxc6 Qxb7 17. Nxd4 Qd7 18. Rxf6 gxf6 19. Bc6 Qxc6 20. Nxc6 0-0 21. Ne7+ Kh7 22. Nxf5 1-0

[Event "La Paz GP op 3rd"]
[Site "La Paz"]
[Date "2023.08.20"]
[Round "7"]
[White "Mayta Aiza, Maveric"]
[Black "Ribera, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2017"]
[BlackElo "1911"]
[PlyCount "114"]
[EventDate "2023.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. f4 b5 4. a3 Bb7 5. d3 e6 6. Nf3 Nf6 7. Be2 d5 8. e5 d4 9. exf6 dxc3 10. fxg7 Bxg7 11. b3 Bd4 12. Bf1 Nc6 13. Qe2 Qd6 14. g3 0-0-0 15. Bg2 Rde8 16. Ng5 Re7 17. Be3 Bxe3 18. Qxe3 Nd4 19. Bxb7+ Kxb7 20. Qf2 f5 21. 0-0 h5 22. h4 e5 23. fxe5 Qxe5 24. Rae1 Ne2+ 25. Kh2 Rhe8 26. Qf3+ Kb6 27. Rf2 Nd4 28. Rxe5 Nxf3+ 29. Nxf3 Rxe5 30. Nxe5 Rxe5 31. Kg2 a5 32. Kf3 Re1 33. Re2 Rf1+ 34. Ke3 a4 35. bxa4 b4 36. axb4 cxb4 37. Kd4 Ka5 38. Re8 f4 39. Kc5 Ka6 40. Kxb4 fxg3 41. Re2 Rf4+ 42. Kxc3 Rxh4 43. Re1 g2 44. Rg1 Rg4 45. Kd2 h4 46. Ke2 h3 47. Kf2 Ka5 48. c4 Rh4 49. Rd1 Rf4+ 50. Kg1 Kxa4 51. d4 Kb4 52. d5 Kxc4 53. d6 Rf8 54. d7 Rd8 55. Kh2 Kc5 56. Kxh3 g1Q 57. Rxg1 Rxd7 1/2-1/2

[Event "La Paz GP op 3rd"]
[Site "La Paz"]
[Date "2023.08.19"]
[Round "5"]
[White "Cuentas Molina, Adrian"]
[Black "Ribera, Miguel Angel"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1214"]
[BlackElo "1911"]
[PlyCount "56"]
[EventDate "2023.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Bc4 Nb6 8. Bb5 dxe5 9. Nxe5 Bd7 10. Nxd7 Qxd7 11. Nc3 e6 12. 0-0 Bd6 13. Qg4 0-0 14. d5 Ne5 15. Qe4 Qe7 16. dxe6 fxe6 17. f4 Ng4 18. Bd3 Qh4 19. Qxe6+ Kh8 20. h3 Bc5+ 21. Kh1 Nf2+ 22. Rxf2 Qxf2 23. Kh2 Qg1+ 24. Kg3 Bf2+ 25. Kf3 Rae8 26. Qg4 Be3 27. Qh4 Rxf4+ 28. Qxf4 Bxf4 0-1

[Event "La Paz GP op 3rd"]
[Site "La Paz"]
[Date "2023.08.19"]
[Round "6"]
[White "Ribera, Miguel Angel"]
[Black "Claure Verastegui, Rene David"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1911"]
[BlackElo "1874"]
[PlyCount "139"]
[EventDate "2023.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 Nbd7 8. Nge2 Re8 9. 0-0 c6 10. Qc2 Nf8 11. Bxf6 Bxf6 12. b4 Qd6 13. b5 c5 14. dxc5 Qxc5 15. Rad1 Bg4 16. Rd2 Rac8 17. Rc1 g6 18. h3 Be6 19. Qa4 Nd7 20. Rdc2 Qf8 21. Nf4 Nc5 22. Qa3 Nxd3 23. Qxf8+ Kxf8 24. Nxd3 Rc4 25. Ne2 Rec8 26. Rxc4 dxc4 27. Ndf4 Bd7 28. Nd5 Bg7 29. Nec3 Rc5 30. a4 g5 31. Kf1 Be6 32. Rd1 Bxd5 33. Rxd5 Rc7 34. Na2 c3 35. Ke2 Rc4 36. Kd3 Rxa4 37. Nxc3 Ra3 38. Rc5 Ke7 39. Kd2 Bxc3+ 40. Rxc3 Ra2+ 41. Ke1 Kd6 42. Rd3+ Ke6 43. e4 Rb2 44. Rd5 f6 45. Rc5 Kd6 46. Rd5+ Kc7 47. Rf5 Kb6 48. h4 gxh4 49. Rxf6+ Kxb5 50. Rf7 Kc4 51. e5 Kd5 52. f4 h5 53. Rd7+ Ke6 54. Rd6+ Ke7 55. f5 Rb5 56. f6+ Ke8 57. e6 Rf5 58. e7 Re5+ 59. Kd2 Kf7 60. Rd8 Kxf6 61. e8Q Rxe8 62. Rxe8 Kg5 63. Ke2 a5 64. Re5+ Kg4 65. Rxa5 b6 66. Rb5 h3 67. gxh3+ Kh4 68. Rxb6 Kxh3 69. Kf2 h4 70. Rb4 1-0

[Event "La Paz GP op 3rd"]
[Site "La Paz"]
[Date "2023.08.18"]
[Round "3"]
[White "Calisaya Apaza, Beymar"]
[Black "Ribera, Miguel Angel"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1213"]
[BlackElo "1911"]
[PlyCount "30"]
[EventDate "2023.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Bc4 Nb6 7. Bb3 Nc6 8. Qf3 e6 9. exd6 Nxd4 10. Qc3 Nxb3 11. axb3 Nd5 12. Qd4 Qxd6 13. Rxa7 Qb4+ 14. Qxb4 Bxb4+ 15. Bd2 Rxa7 0-1

[Event "La Paz GP op 3rd"]
[Site "La Paz"]
[Date "2023.08.18"]
[Round "4"]
[White "Ribera, Miguel Angel"]
[Black "Ramallo Aguilar, Ariadne Ricela"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "1911"]
[BlackElo "1603"]
[PlyCount "39"]
[EventDate "2023.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 g6 4. e3 e5 5. d4 cxd4 6. exd4 Bg7 7. d5 Nce7 8. d6 Nc6 9. Nb5 Kf8 10. Nc7 Rb8 11. c5 Nf6 12. Bc4 Ne8 13. Bg5 Bf6 14. Qd5 Nxd6 15. cxd6 Qe8 16. Nxe8 Nd8 17. Nxf6 Kg7 18. Qxe5 Nc6 19. Nh5+ Kg8 20. Qe8# 1-0

[Event "La Paz GP op 3rd"]
[Site "La Paz"]
[Date "2023.08.17"]
[Round "2"]
[White "Ribera, Miguel Angel"]
[Black "Yepez Montenegro, Gloria Luz"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "1911"]
[BlackElo "1632"]
[PlyCount "130"]
[EventDate "2023.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 e6 5. d4 Bd6 6. Qc2 Nbd7 7. Bd3 0-0 8. 0-0 Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 h6 12. b3 e5 13. Bb2 exd4 14. Nxd4 Bxh2+ 15. Kxh2 Qh4+ 16. Kg1 Qxe4 17. Rae1 Qxe1 18. Rxe1 Rxe1+ 19. Kh2 Nf6 20. Nf5 Bxf5 21. Qxf5 Re6 22. Bd4 Rae8 23. f3 b6 24. a4 c5 25. Ba1 R8e7 26. a5 Ne8 27. axb6 axb6 28. b4 cxb4 29. Qb5 Re1 30. Qxb4 R1e6 31. Bd4 Rd7 32. Bxb6 Re2 33. c5 Rdd2 34. c6 Rxg2+ 35. Kh1 Rge2 36. Bg1 Rd1 37. Qb8 Kh7 38. c7 Nxc7 39. Qxc7 Ree1 40. Qxf7 Rxg1+ 41. Kh2 Rg6 42. Qf5 Rdg1 43. f4 R1g4 44. Kh3 Rg1 45. Kh2 Rd1 46. Qc2 Rdd6 47. Kh3 Rdf6 48. Qe4 Re6 49. Qd3 Rd6 50. Qe4 Ra6 51. Qb1 h5 52. Kh4 Kh6 53. Qc1 Rg4+ 54. Kh3 Rf6 55. f5+ Kh7 56. Qc2 Rg5 57. Qe4 Rgxf5 58. Kh2 Kh6 59. Qe3+ g5 60. Qe8 Rf2+ 61. Kg1 Rf1+ 62. Kg2 R6f2+ 63. Kg3 h4+ 64. Kh3 Rh1+ 65. Kg4 Rf4# 0-1

[Event "La Paz GP op 3rd"]
[Site "La Paz"]
[Date "2023.08.17"]
[Round "1"]
[White "Solari Quelali, Valeska Tiana"]
[Black "Ribera, Miguel Angel"]
[Result "0-1"]
[ECO "B87"]
[WhiteElo "1273"]
[BlackElo "1911"]
[PlyCount "136"]
[EventDate "2023.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. 0-0 b5 8. Bb3 Bb7 9. Re1 b4 10. Nce2 Nxe4 11. Ng3 d5 12. Be3 Nc6 13. Nf3 Be7 14. Nxe4 dxe4 15. Nd4 0-0 16. Nxc6 Bxc6 17. Qg4 Bd5 18. Rad1 f5 19. Qe2 Qa5 20. Bf4 Bf6 21. Rb1 Rfd8 22. Red1 Bxb3 23. axb3 Rxd1+ 24. Qxd1 Rd8 25. Qc1 Qd5 26. h3 Rc8 27. Bd2 a5 28. Qd1 Qc5 29. Be3 Qxc2 30. Qxc2 Rxc2 31. Bb6 Rxb2 32. Rxb2 Bxb2 33. Bxa5 Bc3 34. Kf1 e5 35. Ke2 Kf7 36. f3 exf3+ 37. gxf3 Kg6 38. Kd3 Kg5 39. Bd8+ Kf4 40. Ke2 Kg3 41. h4 h5 42. Bg5 e4 43. fxe4 fxe4 44. Ke3 Bf6 45. Bf4+ Kg2 46. Kxe4 Bxh4 47. Kf5 Bf6 48. Bd6 Bc3 49. Be7 Be1 50. Kg6 h4 51. Bxh4 Bxh4 52. Kxg7 Kf3 53. Kf7 Ke4 54. Ke6 Kd3 55. Kd5 Kc3 56. Kc5 Kxb3 57. Kd5 Kc3 58. Kc6 b3 59. Kd5 b2 60. Ke4 b1Q+ 61. Kf4 Qe1 62. Kf5 Qe7 63. Kf4 Kd4 64. Kf5 Qf6+ 65. Kg4 Ke4 66. Kh3 Qg5 67. Kh2 Kf3 68. Kh1 Qg2# 0-1

[Event "Santa Cruz op 5th"]
[Site "Santa Cruz"]
[Date "2023.02.19"]
[Round "7"]
[White "Ribera, Miguel Angel"]
[Black "Tapia Espada, Antonio Enrique"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1910"]
[BlackElo "1675"]
[PlyCount "81"]
[EventDate "2023.02.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. Nc3 d5 4. d4 Be7 5. Bf4 c6 6. e3 0-0 7. Bd3 Nbd7 8. h3 a6 9. Rc1 dxc4 10. Bxc4 b5 11. Bd3 c5 12. dxc5 Nxc5 13. Bc2 Qa5 14. Ne5 Rd8 15. Qe2 Bb7 16. 0-0 b4 17. Nc4 Rd2 18. Nxa5 Rxe2 19. Nxe2 Bd5 20. b3 h6 21. Bb1 g5 22. Be5 Nfd7 23. Bd4 f5 24. Rfd1 Kf7 25. Bxc5 Nxc5 26. Bxf5 h5 27. Bb1 Nd7 28. Ng3 h4 29. Ne4 Rg8 30. Rc2 Nf6 31. Nd6+ Kf8 32. Rc8+ Kg7 33. Rxg8+ Kxg8 34. Nac4 g4 35. e4 Ba8 36. e5 gxh3 37. exf6 Bxf6 38. Be4 hxg2 39. Bxa8 h3 40. Bxg2 hxg2 41. Kxg2 1-0

[Event "Santa Cruz op 5th"]
[Site "Santa Cruz"]
[Date "2023.02.18"]
[Round "6"]
[White "Foronda, Ernesto"]
[Black "Ribera, Miguel Angel"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1541"]
[BlackElo "1910"]
[PlyCount "26"]
[EventDate "2023.02.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Nc3 Bg7 5. Bc4 e6 6. 0-0 d6 7. d3 Nge7 8. Be3 e5 9. fxe5 dxe5 10. Nxe5 Nxe5 11. Bxc5 0-0 12. Nd5 b6 13. Ba3 h6 0-1

[Event "Santa Cruz op 5th"]
[Site "Santa Cruz"]
[Date "2023.02.18"]
[Round "5"]
[White "Ribera, Miguel Angel"]
[Black "Salazar Salinas, Rodrigo"]
[Result "0-1"]
[ECO "B54"]
[WhiteElo "1910"]
[BlackElo "1503"]
[PlyCount "108"]
[EventDate "2023.02.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 d6 4. e4 e6 5. d4 cxd4 6. Nxd4 Nf6 7. Be2 Be7 8. Be3 a6 9. Nc2 0-0 10. Qd2 Qc7 11. Rb1 Ne5 12. b3 Bd7 13. h3 Bc6 14. f4 Ng6 15. Bf3 Nh4 16. Qf2 Nxf3+ 17. gxf3 Nh5 18. Rc1 Bf6 19. Ne2 Qe7 20. 0-0 Bh4 21. Qg2 f5 22. Kh2 Rf6 23. Rg1 Rg6 24. Qh1 e5 25. Rxg6 hxg6 26. Nb4 fxe4 27. Nxc6 bxc6 28. f5 exf3 29. Qxf3 Rf8 30. Qg4 Rxf5 31. Qxg6 Qf7 32. Qxf7+ Kxf7 33. Rd1 Bf2 34. Bd2 Bb6 35. Be1 Bf2 36. Bd2 Bc5 37. Be1 Ke6 38. Nc3 Bf2 39. Rxd6+ Kxd6 40. Ne4+ Kc7 41. Nxf2 Nf6 42. Kg2 e4 43. Bd2 Kd6 44. Kf1 Ke5 45. Ke2 Rf3 46. Be3 Nh5 47. Ba7 Nf4+ 48. Kd2 Nxh3 49. Ng4+ Kf4 50. Nh2 Rd3+ 51. Ke2 g5 52. Bb8+ Kf5 53. Nf1 Nf4+ 54. Kf2 Rf3+ 0-1

[Event "Santa Cruz op 5th"]
[Site "Santa Cruz"]
[Date "2023.02.17"]
[Round "4"]
[White "Lilienfeld Quevedo, Daniel"]
[Black "Ribera, Miguel Angel"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1466"]
[BlackElo "1910"]
[PlyCount "85"]
[EventDate "2023.02.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 d6 4. d4 cxd4 5. cxd4 Bg7 6. Nc3 Nf6 7. h3 Nc6 8. Be3 0-0 9. Bd3 a6 10. 0-0 b5 11. Rc1 Bb7 12. Re1 Rc8 13. Qd2 Na5 14. b3 b4 15. Na4 Bxe4 16. Bxe4 Nxe4 17. Qxb4 Rb8 18. Qa3 Nf6 19. Nb2 Qb6 20. Nc4 Nxc4 21. Rxc4 Rfc8 22. Rec1 Qb7 23. Qa5 Rxc4 24. Rxc4 Rc8 25. Qc3 Rxc4 26. Qxc4 h6 27. b4 Nd5 28. Bd2 Qb5 29. Qb3 Nb6 30. Be3 g5 31. a3 e6 32. Nd2 Qd7 33. Qd3 Qc8 34. Ne4 Qc7 35. Kf1 f5 36. Nc3 f4 37. Bc1 Qc4 38. Qxc4 Nxc4 39. Ne2 Kf7 40. Ke1 Kf6 41. a4 Kf5 42. b5 axb5 43. Nc3 0-1

[Event "Santa Cruz op 5th"]
[Site "Santa Cruz"]
[Date "2023.02.17"]
[Round "3"]
[White "Ribera, Miguel Angel"]
[Black "Suarez Antelo, Jesus"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1910"]
[BlackElo "1376"]
[PlyCount "32"]
[EventDate "2023.02.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 f5 2. Nf3 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. Qa4 d6 7. 0-0 h6 8. Re1 g5 9. Qc2 Qe8 10. e4 Qg6 11. e5 Nh5 12. Nd5 Nc6 13. Nxc7 Rb8 14. exd6 Qxd6 15. Nb5 Qf6 16. d4 a6 1-0

[Event "Santa Cruz op 5th"]
[Site "Santa Cruz"]
[Date "2023.02.16"]
[Round "1"]
[White "Ribera, Miguel Angel"]
[Black "Velarde Alarcon, Jhoana"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "1910"]
[BlackElo "1344"]
[PlyCount "79"]
[EventDate "2023.02.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 b6 3. d4 e6 4. Nc3 Bb7 5. Bf4 d5 6. e3 Bd6 7. Bxd6 cxd6 8. cxd5 Nxd5 9. Bb5+ Nd7 10. Rc1 0-0 11. 0-0 N7f6 12. Re1 Qe7 13. Bd3 Rfd8 14. Nxd5 Nxd5 15. Qd2 Rac8 16. e4 Rxc1 17. Rxc1 Nf6 18. Qf4 Nh5 19. Qg4 g6 20. h3 Rc8 21. Rxc8+ Bxc8 22. e5 d5 23. a3 h6 24. Bxg6 fxg6 25. Qxg6+ Ng7 26. Qxh6 Ba6 27. g4 Qc7 28. Ng5 Qc1+ 29. Kh2 Qf4+ 30. Kg2 Bd3 31. Qf6 Be4+ 32. Kg1 Qc1+ 33. Kh2 Qh1+ 34. Kg3 Nf5+ 35. gxf5 Qg2+ 36. Kh4 Qxf2+ 37. Kh5 Bf3+ 38. Kg6 Bh5+ 39. Kh6 Qh4 40. Qg7# 1-0

[Event "Santa Cruz op 5th"]
[Site "Santa Cruz"]
[Date "2023.02.16"]
[Round "2"]
[White "Yepez Montenegro, Gloria Luz"]
[Black "Ribera, Miguel Angel"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "1581"]
[BlackElo "1910"]
[PlyCount "29"]
[EventDate "2023.02.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. Nc3 d6 4. e4 g6 5. Be2 e6 6. Bg5 h6 7. Bh4 g5 8. Bg3 e5 9. Nf3 a6 10. a4 Qa5 11. Nd2 Bg7 12. Nc4 Qc7 13. a5 Nbd7 14. Qd2 g4 15. Ne3 1-0

[Event "Sucre op"]
[Site "Sucre"]
[Date "2022.10.15"]
[Round "5"]
[White "Ticona Rocabado, Licael Roderick"]
[Black "Ribera, Miguel Angel"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2246"]
[BlackElo "1897"]
[PlyCount "43"]
[EventDate "2022.10.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. Nc3 Nf6 4. e4 d6 5. d4 c5 6. Be2 cxd4 7. Nxd4 Nc6 8. Be3 0-0 9. 0-0 Nd7 10. Qd2 Nc5 11. Rfd1 Nxd4 12. Bxd4 Bxd4 13. Qxd4 a5 14. e5 Bf5 15. exd6 Ne6 16. Qd2 exd6 17. g4 Qh4 18. gxf5 Nf4 19. Bf3 d5 20. Nxd5 Nh3+ 21. Kf1 Ra6 22. Qd4 1-0

[Event "Sucre op"]
[Site "Sucre"]
[Date "2022.10.14"]
[Round "3"]
[White "Lopez A, Richard"]
[Black "Ribera, Miguel Angel"]
[Result "0-1"]
[ECO "A39"]
[WhiteElo "2050"]
[BlackElo "1897"]
[PlyCount "88"]
[EventDate "2022.10.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. c4 g6 2. Nf3 Bg7 3. d4 Nf6 4. g3 c5 5. Bg2 cxd4 6. Nxd4 Nc6 7. Nc3 0-0 8. 0-0 Qb6 9. Nc2 d6 10. e4 Be6 11. Nd5 Qd8 12. Rb1 a5 13. h3 Nd7 14. Be3 Nc5 15. g4 f5 16. exf5 gxf5 17. Nf4 Bxc4 18. Bd5+ Bxd5 19. Qxd5+ e6 20. Nxe6 Nxe6 21. Qxe6+ Kh8 22. Bh6 Rf6 23. Bxg7+ Kxg7 24. Qb3 Qd7 25. g5 Rg6 26. f4 h6 27. h4 Re8 28. Rbe1 Rge6 29. Ne3 Re4 30. Nd5 Qf7 31. Qc3+ Nd4 32. Rxe4 Rxe4 33. Ne3 Kh7 34. Kg2 Ne2 35. Qd2 Nxf4+ 36. Rxf4 Rxf4 37. Qxd6 Rxh4 38. Nd5 Rg4+ 39. Kf3 Rxg5 40. Nf4 h5 41. Qd8 Qg7 42. Ne6 Rg3+ 43. Kf4 Qg4+ 44. Ke5 Qe4+ 0-1

[Event "Sucre op"]
[Site "Sucre"]
[Date "2022.10.14"]
[Round "4"]
[White "Ribera, Miguel Angel"]
[Black "Ferrufino, Boris"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "1897"]
[BlackElo "1919"]
[PlyCount "102"]
[EventDate "2022.10.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. d3 e6 7. Nge2 Nge7 8. Rb1 0-0 9. 0-0 a6 10. a3 Nd4 11. b4 Nec6 12. f4 Nxe2+ 13. Nxe2 Rb8 14. Be3 Nd4 15. Kh1 b6 16. Bxd4 cxd4 17. Qb3 Bb7 18. a4 Kh8 19. Qa3 f5 20. a5 b5 21. cxb5 axb5 22. Qb3 Qd7 23. Rbc1 Rbc8 24. h3 fxe4 25. dxe4 Ba6 26. h4 Rc4 27. Bh3 Rfc8 28. Kh2 Bb7 29. Qd3 R8c7 30. f5 exf5 31. exf5 Rxc1 32. Rxc1 Rxc1 33. Nxc1 Qc6 34. Qf1 Qc2+ 35. Kg1 Bh6 36. Nd3 Be3+ 37. Nf2 gxf5 38. Bg2 Be4 39. Bxe4 fxe4 40. Qe1 d5 41. a6 Qa2 42. Kg2 Qxa6 43. Ng4 Bh6 44. Qf2 Bg7 45. Qf7 Qc6 46. h5 d3 47. h6 Bxh6 48. Nf6 Qc2+ 49. Kh1 Qd1+ 50. Kh2 Qc2+ 51. Kh1 Qd1+ 1/2-1/2

[Event "Sucre op"]
[Site "Sucre"]
[Date "2022.10.13"]
[Round "2"]
[White "Ribera, Miguel Angel"]
[Black "Aguilar, Pedro"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1897"]
[BlackElo "1853"]
[PlyCount "73"]
[EventDate "2022.10.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e5 3. Bg2 Nc6 4. e3 d5 5. cxd5 Nxd5 6. Ne2 Bc5 7. 0-0 0-0 8. a3 Be6 9. b4 Bb6 10. Bb2 a6 11. d4 exd4 12. Nxd4 Nxd4 13. Bxd4 c6 14. Bb2 Qe7 15. e4 Nc7 16. Nc3 Bc4 17. Qg4 f5 18. exf5 Bxf1 19. Bxf1 Nd5 20. Bc4 Rad8 21. Ne4 Kh8 22. Ng5 Nf6 23. Qh4 Rd2 24. Nxh7 Bxf2+ 25. Kf1 Qe4 26. Nxf8+ Qxh4 27. Ng6+ Kh7 28. Nxh4 Rxb2 29. Be2 Bb6 30. Rd1 Nd5 31. Rd3 Kh6 32. Ng2 Rb1+ 33. Rd1 Rb3 34. Rd3 Rb1+ 35. Bd1 Kg5 36. g4 Kh6 37. h4 1-0

[Event "Sucre op"]
[Site "Sucre"]
[Date "2022.10.13"]
[Round "1"]
[White "Zambrana Estrada, Breyner Andre"]
[Black "Ribera, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "1511"]
[BlackElo "1897"]
[PlyCount "80"]
[EventDate "2022.10.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Be3 d6 7. h3 Nf6 8. Bc4 0-0 9. Bb3 Bd7 10. Qd2 Nxd4 11. Bxd4 b5 12. a3 a5 13. Qd3 b4 14. Nd5 Nxd5 15. Bxd5 Bxd4 16. Qxd4 Rc8 17. axb4 axb4 18. Bb3 Bb5 19. Qxb4 Rb8 20. Qd4 e5 21. Qe3 Qc7 22. Ra7 Qc6 23. h4 Ra8 24. Rxa8 Rxa8 25. Kd2 Ba4 26. f3 Bxb3 27. Qxb3 Qc5 28. Ke2 h5 29. Rd1 Kg7 30. Qd3 Ra2 31. Qb3 Ra6 32. c4 Rb6 33. Qc2 Rb4 34. b3 Qb6 35. Rb1 Kf6 36. Qd3 Ke7 37. Kf1 Qa5 38. Rd1 Qa6 39. Rb1 Qa5 40. Rd1 Qa6 1/2-1/2

[Event "Santa Cruz Dario Cup"]
[Site "Santa Cruz"]
[Date "2022.08.28"]
[Round "6"]
[White "Ribera, Miguel Angel"]
[Black "Martinez, Ariel A"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1884"]
[BlackElo "2120"]
[PlyCount "30"]
[EventDate "2022.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. g3 Nc6 3. Bg2 Nf6 4. Nc3 d6 5. d3 e6 6. f4 Be7 7. Nf3 0-0 8. 0-0 Rb8 9. Ne2 b5 10. h3 e5 11. Be3 Nd4 12. Bxd4 exd4 13. c3 dxc3 14. bxc3 c4 15. Kh2 Nd7 0-1

[Event "Santa Cruz Dario Cup"]
[Site "Santa Cruz"]
[Date "2022.08.27"]
[Round "3"]
[White "Ribera, Miguel Angel"]
[Black "Yepez Montenegro, Gloria Luz"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "1884"]
[BlackElo "1567"]
[PlyCount "67"]
[EventDate "2022.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. c4 c6 4. Nf3 Bf5 5. Qb3 Qc7 6. d3 dxc4 7. Qxc4 Nbd7 8. 0-0 e6 9. Nc3 a6 10. h3 Bd6 11. e4 Bg6 12. Be3 0-0 13. Rad1 h6 14. Nh4 Bh7 15. f4 Be7 16. Nf3 Rfd8 17. b4 Rac8 18. a4 c5 19. b5 Nb6 20. Qa2 a5 21. Ne5 Nfd7 22. Nxf7 Kxf7 23. f5 Nf8 24. fxe6+ Ke8 25. Bf4 Bd6 26. Nd5 Nxd5 27. exd5 Bxf4 28. Rxf4 Qe5 29. Qf2 Ng6 30. Re1 Qd6 31. Rf7 Rc7 32. Rf1 Bg8 33. Rxc7 Qxc7 34. Be4 1-0

[Event "Santa Cruz Dario Cup"]
[Site "Santa Cruz"]
[Date "2022.08.27"]
[Round "5"]
[White "Ticona Rocabado, Licael Roderick"]
[Black "Ribera, Miguel Angel"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2190"]
[BlackElo "1884"]
[PlyCount "57"]
[EventDate "2022.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. Nc3 Nf6 4. e4 d6 5. d4 c5 6. dxc5 Qa5 7. Bd3 Qxc5 8. Be3 Qa5 9. 0-0 0-0 10. h3 Nc6 11. a3 h6 12. Qd2 Kh7 13. b4 Qd8 14. Rac1 Be6 15. Nd5 Nd7 16. Bb1 a5 17. b5 Nce5 18. Nxe5 dxe5 19. Rfd1 b6 20. Nxb6 Nxb6 21. Qxd8 Rfxd8 22. Rxd8 Rxd8 23. Bxb6 Rc8 24. c5 Ra8 25. a4 Bf6 26. c6 Bb3 27. c7 Rc8 28. Bxa5 Bg5 29. Rc5 1-0

[Event "Santa Cruz Dario Cup"]
[Site "Santa Cruz"]
[Date "2022.08.27"]
[Round "4"]
[White "Vidaurre, Luis"]
[Black "Ribera, Miguel Angel"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1973"]
[BlackElo "1884"]
[PlyCount "81"]
[EventDate "2022.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BOL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. c4 c5 4. e3 d6 5. Nc3 cxd4 6. exd4 Nf6 7. Be2 0-0 8. 0-0 Nc6 9. Re1 e5 10. Bg5 h6 11. Bh4 g5 12. Bg3 g4 13. Nxe5 dxe5 14. d5 Nd4 15. Bxe5 Nxe2+ 16. Qxe2 Bf5 17. Qd1 Qb6 18. Bd4 Qb4 19. Rc1 Rfe8 20. Rxe8+ Rxe8 21. a3 Qxc4 22. Ne4 Qa6 23. Ng3 Bg6 24. Bxf6 Qxf6 25. d6 Rd8 26. d7 Qe5 27. Qxg4 Qxb2 28. Re1 Qb5 29. Rd1 h5 30. Qb4 Qxb4 31. axb4 h4 32. Ne2 Bf5 33. f4 Rxd7 34. Rxd7 Bxd7 35. Kf2 Bb5 36. Ke3 Bxe2 37. Kxe2 Bc3 38. b5 a6 39. bxa6 bxa6 40. Kd3 Bb4 41. Ke4 0-1

