The LXVIII Campeonato Nacional e Internacional Abierto Mexicano de Ajedrez will take place from 04-09 April 2023 in Mexico City, Mexico. The event will be played in swiss system, 9 rounds, with the time control of 90 minutes for the whole game plus 30 seconds increment for each move, starting from the move one. Around 140 will participate in the event, among them are Cristobal Henriquez Villagra, Sandro Mareco, Lazaro Bruzon Batista, Jose Eduardo Martinez Alcantara, Luis Ernesto Quesada Perez, Emilio Cordova, Juan Carlos Obregon Rivero, Nikola Mitkov, Juan Carlos Gonzalez Zamora, etc.
Chessdom.com will follow live games .
Full list of players :
| No. | Name | FED | Rtg | |
| 1 | GM | Henriquez Villagra, Cristobal | CHI | 2628 |
| 2 | GM | Mareco, Sandro | ARG | 2624 |
| 3 | GM | Bruzon Batista, Lazaro | USA | 2611 |
| 4 | GM | Martinez Alcantara, Jose Eduardo | PER | 2607 |
| 5 | GM | Quesada Perez, Luis Ernesto | CUB | 2562 |
| 6 | GM | Cordova, Emilio | PER | 2539 |
| 7 | GM | Obregon Rivero, Juan Carlos | MEX | 2493 |
| 8 | GM | Mitkov, Nikola | MKD | 2485 |
| 9 | GM | Gonzalez Zamora, Juan Carlos | MEX | 2484 |
| 10 | GM | Espinosa Veloz, Ermes | CUB | 2482 |
| 11 | GM | Cori Quispe, Kevin Joel | PER | 2479 |
| 12 | GM | Hernandez Carmenate, Holden | USA | 2472 |
| 13 | GM | Lima, Darcy | BRA | 2445 |
| 14 | GM | Ibarra Chami, Luis Fernando | MEX | 2440 |
| 15 | IM | Fernandez Cardoso, Alexey | CUB | 2437 |
| 16 | IM | Vidyarthi, Vyom | USA | 2432 |
| 17 | IM | Jimenez Garcia, Emmanuel | CRC | 2413 |
| 18 | IM | Lopez Gonzalez, Abel Fabian | CUB | 2381 |
| 19 | IM | Galaviz Medina, Sion Radamantys | MEX | 2378 |
| 20 | GM | Larino Nieto, David | ESP | 2375 |
| 21 | IM | Figueredo Losada, Leonel | MEX | 2356 |
| 22 | IM | Leon Valdes, Jony Wilson | CUB | 2331 |
| 23 | FM | Diaz Rosas, Julio Cesar | MEX | 2327 |
| 24 | IM | Fernandez Reyes, Lisandro | ECU | 2326 |
| 25 | IM | Perez Garcia, Rodney Oscar | CUB | 2323 |
| 26 | FM | Gutierrez Delgado, Yusuan A. | CUB | 2322 |
| 27 | FM | Garcia Guerrero, Isaac Antonio | MEX | 2307 |
| 28 | IM | Torres Rosas, Luis Carlos | MEX | 2304 |
| 29 | FM | Sandoval Mercado, Carlos | MEX | 2291 |
| 30 | IM | Sanchez Enriquez, Oscar Gerardo | MEX | 2289 |
| 31 | FM | Cofre Archibold, Nestor | MEX | 2274 |
| 32 | FM | Benitez Lozano, Javier | MEX | 2264 |
| 33 | CM | Avila Rodriguez, Joshua Ad | MEX | 2257 |
| 34 | FM | Gracia Alvarez, Gerardo Antonio | MEX | 2238 |
| 35 | FM | Morales Garcia, Sergio Joshafatt | MEX | 2232 |
| 36 | FM | Gonzalez Arroyo, Lenin | MEX | 2229 |
| 37 | IM | Herrera Ortiz, Miguel | MEX | 2228 |
| 38 | IM | Estrada Nieto, Julian | ESP | 2217 |
| 39 | FM | Tapie Amione, Pablo Adib | MEX | 2212 |
| 40 | FM | Hernandez Andres, Gustavo | MEX | 2197 |
| 41 | FM | Luna Javier, Edgar Froylan | MEX | 2171 |
| 42 | IM | Frey Beckman, Kenneth | MEX | 2167 |
| 43 | CM | Garcia De Dios, Jose Antonio | MEX | 2148 |
| 44 | CM | Limon Olmos, Ivan Alonso | MEX | 2140 |
| 45 | Urbina Quiroz, Edwin | CRC | 2129 | |
| 46 | AGM | Pereira, Edgar | POR | 2124 |
| 47 | WIM | Miranda Rodriguez, Tania | CUB | 2120 |
| 48 | FM | Martin Del Campo C., Jorge | MEX | 2115 |
| 49 | Becker, Rogerio Sperb | BRA | 2109 | |
| 50 | CM | Montes Orozco, Miguel Angel | MEX | 2104 |
| 51 | Sarmiento Torres, Felipe | MEX | 2094 | |
| 52 | Jorajuria Mendoza, Algol | MEX | 2089 | |
| 53 | Bustamante Orta, Jorge | MEX | 2083 | |
| 54 | WCM | Vidyarthi, Omya | USA | 2064 |
| 55 | Avila Miguel, David | MEX | 2063 | |
| 56 | May Sanchez, Andres Elias | MEX | 2030 | |
| 57 | WIM | Caballero Quijano, Mitzy Mishell | PER | 2025 |
| 58 | Silva Hernandez, Jose Luis | MEX | 2016 | |
| 59 | Herrera Amador, Julio Cesar | MEX | 2015 | |
| 60 | Sandoval Fernandez, Dante | MEX | 2010 | |
| 61 | CM | Hernandez Luna, Jose Angel | MEX | 1999 |
| 62 | WFM | Diaz Charpentier, Kristel Meliss | CRC | 1984 |
| 63 | Moreno Vizcaino, Daniel Antonio | MEX | 1982 | |
| 64 | Guzman Cruz, Jesus A | MEX | 1977 | |
| 65 | Esquivel San Agustin, Dieg | MEX | 1973 | |
| 66 | FM | Ruiz Gonzalez, Guillermo Javier | MEX | 1969 |
| 67 | Lopez Garcia, Miguel Angel | MEX | 1968 | |
| 68 | WIM | Ortez, Andrea | ESA | 1961 |
| 69 | Martinez Castaneda, Allan | MEX | 1954 | |
| 70 | Cruz Gomez, Miguel Angel | MEX | 1948 | |
| 71 | Encinas Varela, David | MEX | 1945 | |
| 72 | Rey Galvan, Enmanuel | CUB | 1943 | |
| 73 | Solorzano, Andres | HON | 1941 | |
| 74 | Cortez Tinoco, Armando | MEX | 1938 | |
| 75 | Waldo Zalapa, Alejandro | MEX | 1928 | |
| 76 | Varela Velazquez, Carlos Francisco | MEX | 1927 | |
| 77 | Zorrilla Lavallade, Omar Augusto | MEX | 1926 | |
| 78 | CM | Lamotte Tavares, Patrick | MEX | 1920 |
| 79 | Morlett Ovalle, Cris Sebastian | MEX | 1920 | |
| 80 | Vega Castaneda, Ulises Antonio | MEX | 1918 | |
| 81 | WCM | Mayorga Araya, Sofia | CRC | 1912 |
| 82 | WFM | Pages Roman, Seidy | CUB | 1901 |
| 83 | Avendano Porras, Rodrigo | CRC | 1887 | |
| 84 | Zubia Portillo, Manuel Alejandro | MEX | 1881 | |
| 85 | Reyes Ayala, Mario | MEX | 1868 | |
| 86 | Aparicio Gonzalez, Diego | MEX | 1859 | |
| 87 | Diaz Guerrero, Jesus Daniel | MEX | 1831 | |
| 88 | Robles Sanchez, Fausto | MEX | 1827 | |
| 89 | Velazquez Rios, Christian Jonatha | MEX | 1815 | |
| 90 | Jimenez Perez, Hector Dami | MEX | 1814 | |
| 91 | Leal Escamilla, Daniel Zinedine | MEX | 1793 | |
| 92 | CM | Vega Castaneda, Luis Carlos | MEX | 1785 |
| 93 | WFM | Ramirez Gonzalez, Maria Jose | CRC | 1784 |
| 94 | Monroy Cuevas, Erick | MEX | 1784 | |
| 95 | Sanchez Jimenez, Ruben Eduardo | MEX | 1782 | |
| 96 | Jimenez Barajas, Victor Omar | MEX | 1771 | |
| 97 | Steinberg, Ellis | CAN | 1768 | |
| 98 | Baeza, Patricio | MEX | 1760 | |
| 99 | Valadez Sepulveda, Joel Isaac | MEX | 1760 | |
| 100 | Ruiz Ortiz, Gabriel Abraham | MEX | 1758 | |
| 101 | WFM | Carreras Mendiolea, Paulina Adri | MEX | 1756 |
| 102 | Ortega Garduno, Luis Alfonso | MEX | 1736 | |
| 103 | Marroquin Poblano, Jorge | MEX | 1733 | |
| 104 | AFM | Mejia Nunez, Haziel | MEX | 1709 |
| 105 | IM | De Winter Gallegos, Willy | MEX | 1708 |
| 106 | Covarrubias Velazquez, Fernando Clemente | MEX | 1708 | |
| 107 | Langle Aquino, Juan Antonio | MEX | 1707 | |
| 108 | Beltran Reyna, Uziel Adrian | MEX | 1692 | |
| 109 | Velazquez Rivera, Pedro J. | PUR | 1684 | |
| 110 | Tinoco Carrillo, Jose Angel | MEX | 1682 | |
| 111 | Murillo Suarez, Adan | MEX | 1642 | |
| 112 | Gomez Vazquez, Enrique | MEX | 1637 | |
| 113 | Angeles Dorantes, Leon Felipe | MEX | 1627 | |
| 114 | Silva Pompa, Aaron David | MEX | 1550 | |
| 115 | Matienzo Gomez, Carlos Fer | MEX | 1549 | |
| 116 | Bueno Lopez, Luis Eduardo | MEX | 1544 | |
| 117 | AFM | Gomez Carbajal, Daniel | MEX | 1532 |
| 118 | Damian Mejia, Erick Aaron | MEX | 1505 | |
| 119 | Rodriguez Silva, Kalid Rafael | MEX | 1494 | |
| 120 | Martinez Carreno, Franco Javier | MEX | 1471 | |
| 121 | Ortiz Barranon, Fernando | MEX | 1449 | |
| 122 | Castillo Noyola, Maria Ofelia | MEX | 1351 | |
| 123 | Tovar Ochoa, Cristopher Ian | MEX | 1309 | |
| 124 | AFM | Chavez Garcia, Eduardo Alberto | FID | 0 |
| 125 | AFM | Jauregui Ocampo, Miguel Angel | FID | 0 |
| 126 | Becerra Sandoval, Osvaldo Nahum | MEX | 0 | |
| 127 | Cruz Bautista, Juan Jose | MEX | 0 | |
| 128 | Lesko, Philip D | USA | 0 | |
| 129 | Linares Loyo, Miguel | MEX | 0 | |
| 130 | Patino Uriostegui, Luis Guillermo | MEX | 0 | |
| 131 | Polischuk, Ayan | PAN | 0 | |
| 132 | Rodriguez Elias, Ignacio | MEX | 0 | |
| 133 | Ruiz Meza, Alberto Samuel | MEX | 0 | |
| 134 | Breton Diaz Miron, Jaime Elpidio | MEX | 1909 | |
| 135 | Jimenez Jimenez, Dante Edgar | MEX | 1691 | |
| 136 | Martinez Sanchez, Leopoldo | MEX | 1806 | |
| 137 | Muratzhanov, Nurbol | KGZ | 0 | |
| 138 | Zholdoshbekov, Nuradyl | KGZ | 1145 | |
| 139 | Morales Quezada, Jose Guad | MEX | 2070 | |
| 140 | Real, Santillan Raul Omar | MEX | 1644 | |
