| 7 jul 2023 | Martinez Fernandez, Raul 2235 | 1-0 | Villar Grandon, Diego 1627 | C11 French Defense: Steinitz Variation, Boleslavsky Variation | 1 · mesa 1 |
| 7 jul 2023 | Ibanez Valentin, Gabriel 1600 | 1-0 | Quevedo Marin, Manuel 2191 | B09 Pirc Defense: Austrian Attack | 1 · mesa 2 |
| 7 jul 2023 | Bravo De La Vega, Alvaro 2102 | 1-0 | Arroyo Escorial, Pablo 1595 | E15 Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Quiet Line | 1 · mesa 3 |
| 7 jul 2023 | Vecillas Rey, Daniel 1575 | 0-1 | Hernandez Ramos, David 2081 | B10 Caro-Kann Defense: Two Knights Attack | 1 · mesa 4 |
| 7 jul 2023 | Bento Iglesias, Pablo 2019 | 1-0 | Lozano Hernanz, Rodrigo 1540 | E11 Bogo-Indian Defense: Retreat Variation | 1 · mesa 5 |
| 7 jul 2023 | Olias Rincon, Raul 1533 | 0-1 | Lopez Nunez, Alonso 2014 | E11 Bogo-Indian Defense: Wade-Smyslov Variation | 1 · mesa 6 |
| 7 jul 2023 | Torres Rebolledo, Victor 1983 | 1-0 | Manas Carrete, Miguel Angel 1514 | D10 Slav Defense | 1 · mesa 7 |
| 7 jul 2023 | Mata Priego, Jose Maria 1513 | 0-1 | Anton Veiga, Juan Carlos 1977 | A10 English Opening: Anglo-Dutch Defense | 1 · mesa 8 |
| 7 jul 2023 | Vioque Gonzalez, Nicolas 1954 | 1-0 | de la Cuerda Gimeno, Ivan 1511 | C13 French Defense: Alekhine-Chatard Attack, Maróczy Variation | 1 · mesa 9 |
| 7 jul 2023 | Alfaya Martinez, Enrique 1502 | 1-0 | Carela Ferrer, Francisco Javier 1927 | A45 Indian Defense: Accelerated London System | 1 · mesa 10 |
| 7 jul 2023 | Collado Alcolado, Angel 1886 | 1-0 | Rodriguez Claes, Adrian 1487 | B23 Sicilian Defense: Closed | 1 · mesa 11 |
| 7 jul 2023 | Arribas del Barco, Jorge 1402 | 0-1 | Moreno Uribarri, Miguel 1880 | B51 Sicilian Defense: Moscow Variation | 1 · mesa 12 |
| 7 jul 2023 | Serrera Sanchez-Romo, Sergio 1862 | 1-0 | Gonzalez Garcia, Pedro Javier 1396 | D94 Grünfeld Defense: Three Knights Variation, Paris Variation | 1 · mesa 13 |
| 7 jul 2023 | Solanilla Olcese, Ada 1304 | 0-1 | De Vicente Guijarro, Juan 1834 | C42 Petrov's Defense: Cozio Attack | 1 · mesa 14 |
| 7 jul 2023 | Vega de Alba, Miguel 1813 | 1-0 | Asins Martin, Jose 1273 | A46 Indian Defense: Wade-Tartakower Defense | 1 · mesa 15 |
| 7 jul 2023 | Olias Rincon, Ines 1244 | 0-1 | Blazquez Sanz, Oscar 1759 | E60 Indian Defense: West Indian Defense | 1 · mesa 16 |
| 7 jul 2023 | Arevillca Colque, Jonatan 1755 | 1-0 | Malaga Saralegui, Rodrigo 1239 | C10 French Defense: Marshall Gambit | 1 · mesa 17 |
| 7 jul 2023 | Rodriguez Claes, Martin 1195 | 0-1 | Quiros Benito, Sergio 1751 | C42 Petrov's Defense: Cozio Attack | 1 · mesa 18 |
| 7 jul 2023 | Garcia Sanz, Eduardo 1743 | 0-1 | Sanabria Gris, Pol 1194 | | 1 · mesa 19 |
| 7 jul 2023 | Lozano Valverde, Eduardo 1184 | 0-1 | Camarero Izquierdo, Juan Carlos 1739 | D02 Queen's Pawn Game: Zukertort Variation | 1 · mesa 20 |
| 7 jul 2023 | Diaz Prieto, Jose Luis 1734 | 1-0 | Moreno Camarero, Omar 1174 | D01 Rapport-Jobava System, with e6 | 1 · mesa 21 |
| 7 jul 2023 | Sanchez Garcia, Celia 1123 | 0-1 | Godoy Herrera, Carlos 1725 | B03 Alekhine Defense: Exchange Variation | 1 · mesa 22 |
| 7 jul 2023 | Diez Machin, Vicente 1712 | ½-½ | Camarena Sanchez, Angel | B45 Sicilian Defense: Four Knights Variation, American Attack | 1 · mesa 23 |
| 7 jul 2023 | Courrieu, Martin Jacques Claudes | ½-½ | Del Castillo Izquierdo, Jose 1703 | C54 Italian Game: Classical Variation, Greco Gambit, Traditional Line | 1 · mesa 24 |
| 7 jul 2023 | Mata Medina, Andres 1699 | 1-0 | Lorenzo Martin, Hector | A08 Zukertort Opening: Reversed Grünfeld | 1 · mesa 25 |
| 7 jul 2023 | De Vicente Guijarro, Juan 1834 | 0-1 | Martinez Fernandez, Raul 2235 | C47 Four Knights Game: Scotch Variation, Schmid Defense | 2 · mesa 1 |
| 7 jul 2023 | Blazquez Sanz, Oscar 1759 | 0-1 | Bravo De La Vega, Alvaro 2102 | C55 Italian Game: Two Knights Defense, Modern Bishop's Opening | 2 · mesa 2 |
| 7 jul 2023 | Hernandez Ramos, David 2081 | 0-1 | Serrera Sanchez-Romo, Sergio 1862 | E11 Bogo-Indian Defense: Grünfeld Variation | 2 · mesa 3 |
| 7 jul 2023 | Quiros Benito, Sergio 1751 | 1-0 | Bento Iglesias, Pablo 2019 | A13 English Opening: Agincourt Defense, Kurajica Defense | 2 · mesa 4 |
| 7 jul 2023 | Lopez Nunez, Alonso 2014 | 0-1 | Vega de Alba, Miguel 1813 | B51 Sicilian Defense: Moscow Variation | 2 · mesa 5 |
| 7 jul 2023 | Camarero Izquierdo, Juan Carlos 1739 | 0-1 | Torres Rebolledo, Victor 1983 | D01 Richter-Veresov Attack | 2 · mesa 6 |
| 7 jul 2023 | Anton Veiga, Juan Carlos 1977 | 1-0 | Arevillca Colque, Jonatan 1755 | C58 Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | 2 · mesa 7 |
| 7 jul 2023 | Godoy Herrera, Carlos 1725 | 0-1 | Vioque Gonzalez, Nicolas 1954 | D00 Queen's Pawn Game: Accelerated London System | 2 · mesa 8 |
| 7 jul 2023 | Carela Ferrer, Francisco Javier 1927 | 1-0 | Diaz Prieto, Jose Luis 1734 | B00 Nimzowitsch Defense: Declined Variation | 2 · mesa 9 |
| 7 jul 2023 | Sanabria Gris, Pol 1194 | 0-1 | Collado Alcolado, Angel 1886 | C68 Ruy Lopez: Exchange Variation, Romanovsky Variation | 2 · mesa 10 |
| 7 jul 2023 | Moreno Uribarri, Miguel 1880 | 1-0 | Mata Medina, Andres 1699 | C43 Petrov's Defense: Modern Attack, Center Variation | 2 · mesa 11 |
| 7 jul 2023 | Renteria, Jorge 2211 | ½-½ | Ibanez Valentin, Gabriel 1600 | B12 Caro-Kann Defense: Advance Variation, Tal Variation | 2 · mesa 12 |
| 7 jul 2023 | Gonzalez Pascual, Alberto 1462 | ½-½ | Diez Machin, Vicente 1712 | D00 Queen's Pawn Game: Accelerated London System | 2 · mesa 13 |
| 7 jul 2023 | Del Castillo Izquierdo, Jose 1703 | 1-0 | Alarcon Alarcon, Elvis Eduardo 1427 | D06 Queen's Gambit | 2 · mesa 14 |
| 7 jul 2023 | Sanchez Pablo, Jorge 1669 | 1-0 | Pantiga Aguilar, Alejandro 1297 | D01 Rapport-Jobava System | 2 · mesa 15 |
| 7 jul 2023 | Camarena Sanchez, Angel | 0-1 | Castro Uceda, Jose Antonio 1530 | D02 Queen's Pawn Game: Symmetrical Variation | 2 · mesa 16 |
| 7 jul 2023 | Quevedo Marin, Manuel 2191 | 1-0 | Courrieu, Martin Jacques Claudes | D34 Tarrasch Defense: Classical Variation, Carlsbad Variation | 2 · mesa 17 |
| 7 jul 2023 | Gonzalez Garcia, Pedro Javier 1396 | ½-½ | Garcia Sanz, Eduardo 1743 | B98 Sicilian Defense: Najdorf Variation | 2 · mesa 18 |
| 7 jul 2023 | Villar Grandon, Diego 1627 | 0-1 | Arribas del Barco, Jorge 1402 | B15 Caro-Kann Defense: Main Line | 2 · mesa 19 |
| 7 jul 2023 | Arroyo Escorial, Pablo 1595 | 1-0 | Solanilla Olcese, Ada 1304 | B10 Caro-Kann Defense: Goldman Variation | 2 · mesa 20 |
| 7 jul 2023 | Asins Martin, Jose 1273 | 0-1 | Vecillas Rey, Daniel 1575 | D02 Queen's Pawn Game: London System | 2 · mesa 21 |
| 7 jul 2023 | Lozano Hernanz, Rodrigo 1540 | 1-0 | Olias Rincon, Ines 1244 | C13 French Defense: Classical Variation | 2 · mesa 22 |
| 7 jul 2023 | Malaga Saralegui, Rodrigo 1239 | 0-1 | Olias Rincon, Raul 1533 | B12 Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | 2 · mesa 23 |
| 7 jul 2023 | Manas Carrete, Miguel Angel 1514 | 1-0 | Rodriguez Claes, Martin 1195 | D06 Queen's Gambit Declined: Marshall Defense | 2 · mesa 24 |
| 7 jul 2023 | Moreno Camarero, Omar 1174 | 0-1 | Mata Priego, Jose Maria 1513 | B21 Sicilian Defense: McDonnell Attack | 2 · mesa 25 |