The Perez Chess Open 2023 will be held from 26–29 January 2023 in Pérez, Argentina. The event will be played in 7 rounds, swiss system, with a total prize fund of 600.000 Argentine pesos which is about 3.000 eur. The time control will be 90 minutes for the entire game, plus a 30-second increment starting from move one.
GM Leonardo Tristan, GM Diego Flores and GM Federico Ponsa Perez are the top seeds. Starting list of players can be seen below.
Starting list of players:
| No. | Name | FED | Rtg | |
| 1 | GM | Tristan Leonardo | ARG | 2544 |
| 2 | GM | Flores Diego | ARG | 2532 |
| 3 | GM | Perez Ponsa Federico | ARG | 2530 |
| 4 | FM | Fiorito Joaquin | ARG | 2376 |
| 5 | IM | Romero Barreto Jaime Jose | VEN | 2367 |
| 6 | FM | Spata German | ARG | 2356 |
| 7 | IM | Fiorito Fabian | ARG | 2342 |
| 8 | FM | Tokman Ariel | ARG | 2317 |
| 9 | FM | Fiorito Francisco | ARG | 2295 |
| 10 | FM | Villarreal Agustin | ARG | 2282 |
| 11 | FM | Perez Candelas Andres Eloy | VEN | 2271 |
| 12 | WFM | Campos Maria Jose | ARG | 2209 |
| 13 | FM | Sanhueza Cristian | ARG | 2186 |
| 14 | CM | Oro Faustino | ARG | 2182 |
| 15 | Ibarra Juan Martin | ARG | 2174 | |
| 16 | WIM | Borda Rodas Anapaola S. | ARG | 2172 |
| 17 | Asprelli Gaspar | ARG | 2164 | |
| 18 | Cirulli Diego | ARG | 2125 | |
| 19 | Mizzau Pablo | ARG | 2119 | |
| 20 | Alvarez Leandro | ARG | 2118 | |
| 21 | WIM | Sarquis Maria Belen | ARG | 2095 |
| 22 | Sepliarsky Mario | ARG | 2087 | |
| 23 | Lopez Diego | ARG | 2084 | |
| 24 | Abramor Franco | ARG | 2077 | |
| 25 | Bernal Gustavo | ARG | 2043 | |
| 26 | Carrizo Luciano Ariel | ARG | 2001 | |
| 27 | Petti Luca Giovanni | ARG | 1997 | |
| 28 | Straini Nahuel | ARG | 1989 | |
| 29 | Fuentes Agustin | ARG | 1960 | |
| 30 | Meza Astrada Agustin | ARG | 1947 | |
| 31 | Dominguez Diego | ARG | 1928 | |
| 32 | Gutierrez Ramiro | ARG | 1880 | |
| 33 | Savoretti Ernesto | ARG | 1876 | |
| 34 | Santiso Daniel | ARG | 1875 | |
| 35 | Ortiz Andres | ARG | 1869 | |
| 36 | Lammers Anton | NED | 1864 | |
| 37 | Frutos Leandro Jose | ARG | 1847 | |
| 38 | Fuxz Diego | ARG | 1841 | |
| 39 | De Lima Adriano Gaspar | ARG | 1817 | |
| 40 | Ruggiero Alexis | ARG | 1796 | |
| 41 | Parma Pamela | ARG | 1768 | |
| 42 | Brito Sofia | ARG | 1738 | |
| 43 | Santillan Alejandro | ARG | 1712 | |
| 44 | Yanacon Barrios Leonel Antonio | ARG | 1711 | |
| 45 | Tardugno Mathias | URU | 1703 | |
| 46 | Velazco Tomas Sebastian | ARG | 1699 | |
| 47 | Parrilla Juan Jose | ARG | 1686 | |
| 48 | Suarez Laureano | ARG | 1682 | |
| 49 | Cartas Abel Humberto | ARG | 1642 | |
| 50 | Kucich Jonas | ARG | 1610 | |
| 51 | Martinelli Raul | URU | 1605 | |
| 52 | Castillo Michelle | ARG | 1559 | |
| 53 | Morgado Walter | ARG | 1554 | |
| 54 | Lavergne Guillermo | ARG | 1529 | |
| 55 | Castillo Brian | ARG | 1523 | |
| 56 | Brito Pablo | ARG | 1513 | |
| 57 | Dearma Thiago Daniel | ARG | 1499 | |
| 58 | Ramini Mariano | ARG | 1492 | |
| 59 | Avila Federico | ARG | 1451 | |
| 60 | Izaguirre Lucia Belen | ARG | 1437 | |
| 61 | Heberlein Lucas | ARG | 1388 | |
| 62 | Castillo Giorgio | ARG | 1369 | |
| 63 | Rucci Raul | ARG | 1352 | |
| 64 | Espinosa Valentina | ARG | 1347 | |
| 65 | Simbler Facundo | ARG | 1343 | |
| 66 | Codino Juan Martin | ARG | 1323 | |
| 67 | Gimenez Benjamin | ARG | 1293 | |
| 68 | Calamante Gino | ARG | 1264 | |
| 69 | Mattia Facundo | ARG | 1211 | |
| 70 | Figueroa Layla Iazmin | ARG | 1023 | |
| 71 | Chiarotti Ginno | ARG | 0 | |
| 72 | Cinotto Nazareno | ARG | 0 | |
| 73 | Dotti Fernando | ARG | 0 | |
| 74 | Escobar Albaro | ARG | 0 | |
| 75 | Gobby David | ARG | 0 | |
| 76 | Lopez Samuel | ARG | 0 | |
| 77 | Malespina Agustin | ARG | 0 | |
| 78 | Maroelli Stojanovic Guillermo | ARG | 0 | |
| 79 | Perezlindo Lautaro | ARG | 0 | |
| 80 | Soffredi Mateo | ARG | 0 | |
| 81 | Torres Gerardo | ARG | 0 | |
| 82 | Villa Luis M. | ARG | 0 | |
| 83 | Villalva Luis Alberto | ARG | 0 |
