[Event "Ojinaga Perla del Desierto op"]
[Site "Ojinaga"]
[Date "2023.10.29"]
[Round "7"]
[White "Miranda Rodriguez, Tania"]
[Black "Chacon Ferra, Efrain"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2128"]
[BlackElo "1835"]
[PlyCount "99"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "MEX"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 Bg7 11. c3 f5 12. exf5 Bxf5 13. Nc2 0-0 14. Nce3 Be6 15. Bd3 f5 16. 0-0 Ne7 17. Nxe7+ Qxe7 18. Nxf5 Bxf5 19. Bxf5 Rad8 20. Be4 Rf4 21. g3 Rf6 22. Qd5+ Kh8 23. a4 Qd7 24. axb5 axb5 25. Ra8 Rxa8 26. Qxa8+ Rf8 27. Qc6 Qxc6 28. Bxc6 Rb8 29. Ra1 Bh6 30. Be4 b4 31. Ra7 Bc1 32. Rxh7+ Kg8 33. Rb7 Rxb7 34. Bxb7 bxc3 35. bxc3 Kg7 36. Kg2 Bb2 37. c4 Bc1 38. Kf3 Bd2 39. h4 Kh6 40. Bc6 Kh5 41. Be8+ Kh6 42. Ke2 Bc3 43. g4 Bb2 44. g5+ Kg7 45. Kf3 Bd4 46. h5 Kf8 47. Bc6 Kg7 48. Be4 Bb2 49. h6+ Kf7 50. g6+ 1-0

[Event "Ojinaga Perla del Desierto op"]
[Site "Ojinaga"]
[Date "2023.10.28"]
[Round "5"]
[White "Rascon Vega, Alfonso Carlos"]
[Black "Chacon Ferra, Efrain"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "2152"]
[BlackElo "1835"]
[PlyCount "77"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "MEX"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nc3 0-0 6. Nf3 Nbd7 7. 0-0 e5 8. dxe5 dxe5 9. Qc2 Re8 10. Rd1 c6 11. Bg5 Qb6 12. Be3 Qc7 13. h3 Nf8 14. Bc5 N6d7 15. Bd6 Qd8 16. Rab1 f5 17. e4 Qf6 18. exf5 gxf5 19. c5 Ne6 20. Ne2 e4 21. Nh2 Ne5 22. Nf1 Nf3+ 23. Bxf3 exf3 24. Nf4 Nxf4 25. Bxf4 Be6 26. Ne3 Bxa2 27. Nxf5 Re2 28. Qd3 Bxb1 29. Rxb1 Rd8 30. Nd6 Qe6 31. Qxf3 Re1+ 32. Rxe1 Qxe1+ 33. Kh2 Qb4 34. Qe3 h6 35. Qe6+ Kh7 36. Qf5+ Kg8 37. Qf7+ Kh7 38. Be5 Rg8 39. Qf5+ 1-0

[Event "Ojinaga Perla del Desierto op"]
[Site "Ojinaga"]
[Date "2023.10.27"]
[Round "4"]
[White "Chacon Ferra, Efrain"]
[Black "Quinonez Gonzalez, Isbraham Yair"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1835"]
[PlyCount "110"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "MEX"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 d6 7. Be2 Nf6 8. Nc3 Bd7 9. 0-0 0-0 10. Nc2 Rc8 11. Qd2 Ng4 12. Bxg4 Bxg4 13. b3 Re8 14. Bh6 Bh8 15. Ne3 Bd7 16. Rac1 Qa5 17. Ned5 e6 18. Nf4 Rcd8 19. Nfe2 Bc8 20. Bg5 Ne7 21. Rfd1 a6 22. Bxe7 Rxe7 23. Nd5 Qxd2 24. Nxe7+ Kf8 25. Nxg6+ hxg6 26. Rxd2 b6 27. Rcd1 Ke7 28. f4 Rd7 29. g4 Bb7 30. e5 d5 31. cxd5 Bxd5 32. Nc3 Bc6 33. Rxd7+ Bxd7 34. g5 Bg7 35. Ne4 Kd8 36. Nf6 Bxf6 37. gxf6 a5 38. Kf2 Kc7 39. h4 Bb5 40. Ke3 Ba6 41. h5 gxh5 42. Rh1 Bb5 43. Rxh5 Be8 44. Rh8 Kd8 45. Rf8 Kd7 46. Kd4 Kd8 47. a4 Kd7 48. Kc3 Kd8 49. Kc4 b5+ 50. axb5 a4 51. bxa4 Kd7 52. Rxe8 Kxe8 53. Kc5 Kd8 54. Kd6 Ke8 55. a5 Kd8 1-0

[Event "Ojinaga Perla del Desierto op"]
[Site "Ojinaga"]
[Date "2023.10.27"]
[Round "3"]
[White "Lopez Rusch, Felipe"]
[Black "Chacon Ferra, Efrain"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1605"]
[BlackElo "1835"]
[PlyCount "90"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "MEX"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Nf3 c5 7. Be2 Na6 8. 0-0 cxd4 9. Nxd4 Nc5 10. Bf3 a6 11. Re1 e5 12. Nc2 b5 13. cxb5 axb5 14. Nb4 Bb7 15. Bg5 Ne6 16. Bxf6 Bxf6 17. Nxb5 Qa5 18. Nd5 Qxb5 19. Nxf6+ Kg7 20. Ng4 Nd4 21. Qd2 f5 22. Qh6+ Kg8 23. Nh2 Bxe4 24. Rac1 Qb7 25. Rc3 Rxa2 26. Rec1 Ne6 27. Bxe4 fxe4 28. Ng4 Qg7 29. Qd2 Qd7 30. Qd5 Ra7 31. Rc8 Kg7 32. R8c6 Nf4 33. Qxe4 h5 34. Nxe5 dxe5 35. Qxe5+ Kh6 36. Rc7 Rxc7 37. Rxc7 Qd5 38. Qg7+ Kg5 39. f3 Qd1+ 40. Kh2 Qd6 41. Kh1 Re8 42. Qc3 Re5 43. Kh2 Ne2 44. h4+ Kxh4 45. Rc4+ Re4+ 0-1

[Event "Ojinaga Perla del Desierto op"]
[Site "Ojinaga"]
[Date "2023.10.26"]
[Round "2"]
[White "Chacon Ferra, Efrain"]
[Black "Cuenca Jimenez, Jose Fernando"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1835"]
[BlackElo "2494"]
[PlyCount "64"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "MEX"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 g6 7. Be2 Be6 8. N1c3 a6 9. Na3 Bg7 10. Nc2 Nf6 11. 0-0 Rc8 12. Ne3 0-0 13. Rb1 Nd4 14. Ned5 Nd7 15. Be3 f5 16. f3 f4 17. Bf2 h5 18. h4 g5 19. hxg5 Qxg5 20. Kh2 h4 21. b4 Rf7 22. b5 Bh8 23. Kh1 Nc5 24. bxa6 bxa6 25. Rb6 Rd8 26. a4 Rg7 27. Rg1 Qh6 28. a5 Kh7 29. Bd3 Rg3 30. Ne2 Nxe2 31. Qxe2 h3 32. Bxg3 fxg3 0-1

