[Event "Ojinaga Perla del Desierto op"]
[Site "Ojinaga"]
[Date "2023.10.28"]
[Round "5"]
[White "Hernandez, Alexander"]
[Black "Herrera Mendez, Oscar Ivan"]
[Result "1-0"]
[ECO "C67"]
[WhiteElo "2100"]
[BlackElo "1698"]
[PlyCount "121"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "MEX"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 0-0 8. d4 Nf5 9. c3 Nxe5 10. Rxe5 d6 11. Re1 c6 12. Bf4 Be6 13. Nd2 Nh4 14. h3 Ng6 15. Bh2 Qb6 16. Qc2 Rfe8 17. Bd3 Nf8 18. Nc4 Qc7 19. Ne3 Bf6 20. Re2 Qd7 21. Rae1 g6 22. Nc4 Be7 23. Bg3 Rac8 24. Ne3 Bf6 25. f4 Qd8 26. f5 Bd7 27. Ng4 Rxe2 28. Qxe2 Bh4 29. Qf2 Bxg3 30. Qxg3 Qg5 31. h4 Qd8 32. Qf4 gxf5 33. Nh6+ Kg7 34. Re3 Ng6 35. Rg3 Kf8 36. Qxd6+ Kg7 37. Nxf5+ Bxf5 38. Qxd8 Rxd8 39. Bxf5 Kf6 40. Bxg6 hxg6 41. Rf3+ Ke7 42. Kf2 Rd5 43. g4 c5 44. Re3+ Kd7 45. dxc5 Rxc5 46. Kf3 Ra5 47. a3 Ra4 48. Re4 Ra6 49. h5 gxh5 50. gxh5 Ra5 51. Rh4 Re5 52. h6 Re8 53. Kf4 Ke6 54. h7 Rh8 55. Rh6+ f6 56. c4 b6 57. b4 a5 58. Rh5 axb4 59. axb4 Kf7 60. Kf5 Kg7 61. Rh1 1-0

[Event "Ojinaga Perla del Desierto op"]
[Site "Ojinaga"]
[Date "2023.10.27"]
[Round "4"]
[White "Herrera Mendez, Oscar Ivan"]
[Black "Vega Castaneda, Ulises Antonio"]
[Result "1/2-1/2"]
[ECO "D07"]
[WhiteElo "1698"]
[BlackElo "1907"]
[PlyCount "50"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "MEX"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nc6 3. c4 e5 4. dxe5 d4 5. exd4 Qxd4 6. Qxd4 Nxd4 7. Bd3 Ne7 8. Nc3 Bf5 9. Bxf5 Nexf5 10. Rb1 Nc2+ 11. Kf1 0-0-0 12. Bg5 Re8 13. Rd1 h6 14. Bf4 g5 15. Bc1 Rxe5 16. Nf3 Re8 17. h3 Bg7 18. Ne2 Rd8 19. Rxd8+ Rxd8 20. g4 Nfd4 21. Nexd4 Nxd4 22. Nxd4 Rxd4 23. b3 Rd1+ 24. Kg2 Rxh1 25. Kxh1 Kd7 1/2-1/2

[Event "Ojinaga Perla del Desierto op"]
[Site "Ojinaga"]
[Date "2023.10.26"]
[Round "2"]
[White "Jorajuria Mendoza, Algol"]
[Black "Herrera Mendez, Oscar Ivan"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2133"]
[BlackElo "1698"]
[PlyCount "147"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "MEX"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 c5 5. c3 Nc6 6. Bb5 Bxb1 7. Rxb1 cxd4 8. Nf3 e6 9. Nxd4 Qc7 10. Qa4 Rc8 11. Qxa7 Qxe5+ 12. Kf1 Qc7 13. Bf4 Qd7 14. Qb6 Nge7 15. Re1 Ng6 16. Bg3 Be7 17. h5 Bd8 18. Qc5 Be7 19. Qb6 Bd8 20. Qa7 Nge7 21. Qa4 0-0 22. h6 Bc7 23. hxg7 Kxg7 24. Bxc7 Rxc7 25. Qc2 h6 26. Qd2 Rh8 27. Re3 Qd6 28. Rh5 Nxd4 29. Qxd4+ f6 30. Rg3+ Kf7 31. Rf3 Nf5 32. Rhxf5 exf5 33. Rxf5 Re7 34. Bc4 Re5 35. Bxd5+ Ke7 36. Rxe5+ Qxe5 37. Qb4+ Qd6 38. Qxb7+ Qd7 39. Qxd7+ Kxd7 40. Ke2 Kd6 41. c4 Rb8 42. b3 Rb6 43. Kd3 Ke5 44. Kc3 f5 45. Bf3 Kd6 46. b4 Ra6 47. Kb3 Kc7 48. c5 Re6 49. b5 Re1 50. b6+ Kb8 51. Kb4 Rf1 52. Kb5 Rxf2 53. a4 h5 54. c6 h4 55. c7+ Kc8 56. Ka6 Rb2 57. Bb7+ Kd7 58. c8Q+ Ke7 59. Qc7+ Ke6 60. Bc8+ Kd5 61. b7 h3 62. gxh3 f4 63. b8Q Rxb8 64. Qxb8 Ke4 65. Bb7+ Ke3 66. Qe5+ Kf2 67. Qxf4+ Kg1 68. Qg3+ Kf1 69. Ka5 Ke2 70. Kb4 Kd2 71. Kb3 Kd1 72. Kc3 Ke2 73. Kc2 Kf1 74. Ba6# 1-0

