| 9 sept 2023 | Rubio Mejia, Luis Ignacio 2388 | 1-0 | Montoya Cabrera, Ernesto Alejand 1669 | A28 English Opening: King's English Variation, Four Knights Variation, Korchnoi Line | 1 · mesa 1 |
| 9 sept 2023 | Calderon Martin, Antonio 1663 | 0-1 | Vargas Rodriguez, Wilver 2304 | B50 Sicilian Defense: Delayed Alapin Variation, with d6 | 1 · mesa 2 |
| 9 sept 2023 | Rottenwohrer Suarez, Juan 2281 | 0-1 | Torres Rebolledo, Marcos 1658 | D37 Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | 1 · mesa 3 |
| 9 sept 2023 | Lopez-Andujar Ocana, Ramon 1656 | 0-1 | Pinto, Daniel 2274 | B33 Sicilian Defense: Lasker-Pelikan Variation | 1 · mesa 4 |
| 9 sept 2023 | Serrano Salvador, Eduardo 2244 | 1-0 | Fernandez Aguado, Marcos 1653 | A80 Dutch Defense: Hopton Attack | 1 · mesa 5 |
| 9 sept 2023 | Aldea Moreno, Marina 1643 | 0-1 | Mkrtchyan, Levon 2233 | B37 Sicilian Defense: Accelerated Dragon, Maróczy Bind | 1 · mesa 6 |
| 9 sept 2023 | Martinez Fernandez, Raul 2228 | 1-0 | Sancho Castiello, Federico 1638 | B46 Sicilian Defense: Taimanov Variation | 1 · mesa 7 |
| 9 sept 2023 | Marcelo De La Mata, Daniel 1632 | 0-1 | Garcia Dorado, Alberto 2226 | B24 Sicilian Defense: Closed | 1 · mesa 8 |
| 9 sept 2023 | Solaesa Navalpotro, Luis Julio 2221 | 1-0 | Mochon Bernal, Jorge 1628 | E16 Queen's Indian Defense: Capablanca Variation | 1 · mesa 9 |
| 9 sept 2023 | Mata Medina, Andres 1627 | 0-1 | Garrido, Denis 2205 | A21 English Opening: King's English Variation, Reversed Sicilian | 1 · mesa 10 |
| 9 sept 2023 | Fernandez Rosado, Roberto 2178 | 1-0 | Herraiz Ciudad, Miguel 1623 | C10 French Defense: Rubinstein Variation, Blackburne Defense | 1 · mesa 11 |
| 9 sept 2023 | Lucia Carpintero, Oscar 1621 | 0-1 | Torres Rebolledo, Victor 2105 | D02 Queen's Pawn Game: London System | 1 · mesa 12 |
| 9 sept 2023 | Hernandez Ramos, David 2096 | 0-1 | Alvarez Lee, Felix 1619 | E12 Queen's Indian Defense: Kasparov-Petrosian Variation, Classical Variation | 1 · mesa 13 |
| 9 sept 2023 | Metola Arias, Mario 1617 | 0-1 | Torres Rebolledo, Alvaro 2093 | C89 Ruy Lopez: Marshall Attack, Modern Variation | 1 · mesa 14 |
| 9 sept 2023 | Rodriguez Avila, Alvaro 2088 | 1-0 | Perez Pascual, Arturo 1616 | C42 Petrov's Defense | 1 · mesa 15 |
| 9 sept 2023 | Alvarez Escudero, Manuel 1610 | 0-1 | Rodriguez Melendez, Juan Humbert 2050 | B44 Sicilian Defense: Taimanov Variation | 1 · mesa 16 |
| 9 sept 2023 | Bravo De La Vega, Alvaro 2049 | 1-0 | Ortega Molina, Tomas 1606 | D02 Queen's Pawn Game: Chigorin Variation | 1 · mesa 17 |
| 9 sept 2023 | Serrano Vasquez, Pablo 1591 | ½-½ | Bolea Jover, Jose 2028 | A40 Queen's Pawn Game: Anglo-Slav Opening | 1 · mesa 18 |
| 9 sept 2023 | Urrutia Gonzalez, Javier 2024 | 1-0 | Caamano Jimenez, Luis 1575 | B27 Sicilian Defense: Hyperaccelerated Dragon | 1 · mesa 19 |
| 9 sept 2023 | Olmos Sanz, Francisco J. 1569 | 0-1 | Moreno Lopez, Avelino 2019 | A22 English Opening: King's English Variation, Two Knights Variation | 1 · mesa 20 |
| 9 sept 2023 | Castejon Caballero, Andres 2018 | 1-0 | Diaz Zuniga, Javier 1562 | B10 Caro-Kann Defense: Apocalypse Attack | 1 · mesa 21 |
| 9 sept 2023 | Martin Garcia, Francisco Javier 1560 | 0-1 | Gonzalez Rivera, Eduardo 2013 | D02 Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | 1 · mesa 22 |
| 9 sept 2023 | Salvador Cabo, Cesar 2005 | 1-0 | Mansor Habash, Zouheir 1554 | A05 King's Indian Attack: Symmetrical Defense | 1 · mesa 23 |
| 9 sept 2023 | Xia, Zhe 1553 | 0-1 | Vioque Gonzalez, Nicolas 2004 | D16 Slav Defense: Smyslov Variation | 1 · mesa 24 |
| 9 sept 2023 | Armenteros Peral, Javier 1999 | 1-0 | Avendano Layunta, Manuel 1552 | B50 Sicilian Defense | 1 · mesa 25 |
| 9 sept 2023 | De La Mata Rodriguez, Javier 1542 | 0-1 | Simonyan, Arturo 1999 | | 1 · mesa 26 |
| 9 sept 2023 | Roquero Redondo, Miguel 1993 | 1-0 | Villodre Miranda, Juan Alonso 1507 | C42 Petrov's Defense | 1 · mesa 27 |
| 9 sept 2023 | Rodriguez Bachiller, Luis 1496 | 0-1 | Lozano Freras, Sergio 1985 | B00 Pirc Defense | 1 · mesa 28 |
| 9 sept 2023 | Crespo Diaz, David 1978 | 1-0 | Menendez Domens, Juan Manuel 1476 | A90 Dutch Defense: Classical Variation | 1 · mesa 29 |
| 9 sept 2023 | Carbayo de Gracia, Oswaldo 1474 | 0-1 | Suarez Hernan, Santiago 1975 | B10 Caro-Kann Defense: Apocalypse Attack | 1 · mesa 30 |
| 9 sept 2023 | Feal Albala, Alonso 1969 | 1-0 | Melgar Morraja, Mateo 1467 | C07 French Defense: Tarrasch Variation, Chistyakov Defense | 1 · mesa 31 |
| 9 sept 2023 | Zhou, Yang 1457 | 0-1 | Barranco Sanz, Luis Miguel 1967 | B03 Alekhine Defense | 1 · mesa 32 |
| 9 sept 2023 | Martinez Aragon, Aitor 1963 | 1-0 | Moreno Sabroso, Ruben 1451 | B38 Sicilian Defense: Accelerated Dragon, Maróczy Bind | 1 · mesa 33 |
| 9 sept 2023 | Sanchez Villodres, Mario 1443 | 0-1 | Estevez Sacristan, Deva 1948 | E11 Bogo-Indian Defense: Grünfeld Variation | 1 · mesa 34 |
| 9 sept 2023 | Lazaro Azcutia, Miguel 1941 | 1-0 | De la Villa Ramos, Maria 1413 | C42 Petrov's Defense: Damiano Variation, Kholmov Gambit | 1 · mesa 35 |
| 9 sept 2023 | Piccone Uribe, Luis Guillermo 1413 | 0-1 | Garcia Fernandez, Jesus 1940 | B13 Caro-Kann Defense: Exchange Variation, Rubinstein Variation | 1 · mesa 36 |
| 9 sept 2023 | Moreno Torrero, Javier 1902 | 1-0 | De Juan Rivas, Antonio 1409 | C54 Italian Game: Classical Variation, Greco Gambit, Modern Line | 1 · mesa 37 |
| 9 sept 2023 | Andreani Macri, Nicolas 1394 | ½-½ | Recuenco Andres, Javier 1898 | B01 Scandinavian Defense: Modern Variation | 1 · mesa 38 |
| 9 sept 2023 | Garcia Galeote, Lorenzo 1895 | 0-1 | Tascon Castro, Diego Alejandro 1351 | A48 Torre Attack: Fianchetto Defense | 1 · mesa 39 |
| 9 sept 2023 | Benito Mellado, Humberto 1335 | 0-1 | Martin Martin, Luis Vicente 1887 | A51 Indian Defense: Budapest Gambit Accepted, Fajarowicz Defense | 1 · mesa 40 |
| 9 sept 2023 | Arias Jordan, Juan 1886 | 1-0 | Capizzi Jerez, Romeo 1329 | B30 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | 1 · mesa 41 |
| 9 sept 2023 | Quiroga Andres, Carlos 1256 | 0-1 | Cardena Contreras, Javier 1880 | D04 Queen's Pawn Game: Colle System | 1 · mesa 42 |
| 9 sept 2023 | Estrada Martinez, Cesar 1873 | 1-0 | Dominguez Rama, Juan 1254 | A21 English Opening: King's English Variation, Reversed Sicilian | 1 · mesa 43 |
| 9 sept 2023 | Marsal Pla, Jaime 1243 | 0-1 | Cabanas Bravo, Juan Andres 1854 | C54 Italian Game: Classical Variation, Giuoco Pianissimo | 1 · mesa 44 |
| 9 sept 2023 | Camacho Casado, Demetrio 1850 | 1-0 | Xia, Yan 1221 | D01 Rapport-Jobava System | 1 · mesa 45 |
| 9 sept 2023 | Caballero Sanchez, Francisco 1208 | 0-1 | Marin Lopez, Jeronimo 1842 | B00 Pirc Defense | 1 · mesa 46 |
| 9 sept 2023 | Calvo de Castro, Miguel 1834 | 1-0 | Lorenzo Martin, Hector 1201 | D30 Queen's Gambit Declined | 1 · mesa 47 |
| 9 sept 2023 | Yugueros Castro, Jorge 1179 | 0-1 | Calderon Rojo, Borja 1826 | A46 Indian Defense: Wade-Tartakower Defense | 1 · mesa 48 |
| 9 sept 2023 | Martin Garcia, Luis I 1823 | 1-0 | Lozano Valverde, Eduardo 1177 | B23 Sicilian Defense: Closed | 1 · mesa 49 |
| 9 sept 2023 | Antunez Marin, Jose Luis 1172 | 0-1 | Rives Higueras, Alan 1816 | C47 Four Knights Game: Gunsberg Variation | 1 · mesa 50 |