The LXVIII National and International Mexican Open Chess Championship Los Pinos Cultural Complex 2023 – International will take place from 04 – 09 April 2023 in Mexico City, Mexico. Players receive 90 minutes for 40 moves, followed by 30 minutes to the end of the game, plus a 30-second increment starting from move one. The tournament is separated in 17 categories.The main section is 9-round Swiss system tournament leaded by GM Sandro Mareco, GM Jose Eduardo Martinez Alcantara, GM Luis Ernesto Quesada Perez, GM Emilio Cordova, GM Gilberto Hernandez Guerrero, etc.
Full list of players :
| No. | Name | FED | Rtg | |
| 1 | GM | Mareco, Sandro | ARG | 2623 |
| 2 | GM | Martinez Alcantara, Jose Eduardo | PER | 2607 |
| 3 | GM | Quesada Perez, Luis Ernesto | CUB | 2562 |
| 4 | GM | Cordova, Emilio | PER | 2544 |
| 5 | GM | Hernandez Guerrero, Gilberto | MEX | 2533 |
| 6 | GM | Gonzalez Zamora, Juan Carlos | MEX | 2494 |
| 7 | GM | Hernandez Carmenate, Holden | USA | 2472 |
| 8 | GM | Ibarra Chami, Luis Fernando | MEX | 2447 |
| 9 | GM | Lima, Darcy | BRA | 2435 |
| 10 | IM | Vidyarthi, Vyom | USA | 2432 |
| 11 | FM | Garcia Guerrero, Isaac Antonio | MEX | 2307 |
| 12 | IM | Torres Rosas, Luis Carlos | MEX | 2303 |
| 13 | IM | Sanchez Enriquez, Oscar Gerardo | MEX | 2289 |
| 14 | FM | Benitez Lozano, Javier | MEX | 2264 |
| 15 | FM | Gracia Alvarez, Gerardo Antonio | MEX | 2238 |
| 16 | IM | Estrada Nieto, Julian | ESP | 2217 |
| 17 | FM | Tapie Amione, Pablo Adib | MEX | 2212 |
| 18 | FM | Hernandez Andres, Gustavo | MEX | 2197 |
| 19 | Paredes Guzman, Francisco Javier | MEX | 2190 | |
| 20 | FM | Luna Javier, Edgar Froylan | MEX | 2171 |
| 21 | IM | Frey Beckman, Kenneth | MEX | 2167 |
| 22 | FM | Martin Del Campo C., Jorge | MEX | 2115 |
| 23 | CM | Montes Orozco, Miguel Angel | MEX | 2104 |
| 24 | FM | Vega Garcia, Jorge Arturo | MEX | 2086 |
| 25 | WCM | Vidyarthi, Omya | USA | 2064 |
| 26 | Jorajuria Mendoza, Algol | MEX | 2037 | |
| 27 | WIM | Caballero Quijano, Mitzy Mishell | PER | 2025 |
| 28 | Herrera Amador, Julio Cesar | MEX | 2015 | |
| 29 | Sandoval Fernandez, Dante | MEX | 2010 | |
| 30 | Varela Velazquez, Carlos Francisco | MEX | 1958 | |
| 31 | Encinas Varela, David | MEX | 1945 | |
| 32 | Cortez Tinoco, Armando | MEX | 1938 | |
| 33 | WIM | Ortez, Andrea | ESA | 1922 |
| 34 | Vega Castaneda, Ulises Antonio | MEX | 1918 | |
| 35 | Zubia Portillo, Manuel Alejandro | MEX | 1881 | |
| 36 | Avendano Porras, Rodrigo | CRC | 1875 | |
| 37 | Reyes Ayala, Mario | MEX | 1868 | |
| 38 | CM | Vega Castaneda, Luis Carlos | MEX | 1785 |
| 39 | WFM | Ramirez Gonzalez, Maria Jose | CRC | 1784 |
| 40 | Sanchez Jimenez, Ruben Eduardo | MEX | 1782 | |
| 41 | Jimenez Barajas, Victor Omar | MEX | 1771 | |
| 42 | Baeza, Patricio | MEX | 1760 | |
| 43 | Valadez Sepulveda, Joel Isaac | MEX | 1760 | |
| 44 | Ruiz Ortiz, Gabriel Abraham | MEX | 1758 | |
| 45 | Ortega Garduno, Luis Alfonso | MEX | 1736 | |
| 46 | AFM | Mejia Nunez, Haziel | MEX | 1709 |
| 47 | IM | De Winter Gallegos, Willy | MEX | 1708 |
| 48 | Langle Aquino, Juan Antonio | MEX | 1707 | |
| 49 | Tinoco Carrillo, Jose Angel | MEX | 1682 | |
| 50 | Murillo Suarez, Adan | MEX | 1642 | |
| 51 | Angeles Dorantes, Leon Felipe | MEX | 1627 | |
| 52 | Beltran Reyna, Uziel Adrian | MEX | 1619 | |
| 53 | Silva Pompa, Aaron David | MEX | 1570 | |
| 54 | Bueno Lopez, Luis Eduardo | MEX | 1544 | |
| 55 | AFM | Gomez Carbajal, Daniel | MEX | 1532 |
| 56 | Martinez Carreno, Franco Javier | MEX | 1516 | |
| 57 | Ortiz Barranon, Fernando | MEX | 1431 | |
| 58 | Castillo Noyola, Maria Ofelia | MEX | 1361 | |
| 59 | Tovar Ochoa, Cristopher Ian | MEX | 1309 | |
| 60 | AFM | Chavez Garcia, Eduardo Alberto | FID | 0 |
| 61 | Cruz Bautista, Juan Jose | MEX | 0 | |
| 62 | Patino Uriostegui, Guiller | MEX | 0 |
