| 13 ago 2023 | Stella, Andrea 2450 | 1-0 | Prieto Aranguren, Alain 2225 | D35 Queen's Gambit Declined: Exchange Variation, Positional Variation | 1 · mesa 1 |
| 13 ago 2023 | Lagos Lejarraga, Jon 2124 | 0-1 | Gamundi Salamanca, Antonio 2438 | B13 Caro-Kann Defense: Exchange Variation | 1 · mesa 2 |
| 13 ago 2023 | Perez Garcia, Alejandro 2395 | 1-0 | Calvo Gomez, Unai 2013 | B50 Sicilian Defense: Delayed Alapin Variation, with d6 | 1 · mesa 3 |
| 13 ago 2023 | Martin Echeandia, Ibon 2053 | 0-1 | Terron Elena, Francisco M. 2127 | C70 Ruy Lopez: Morphy Defense, Cozio Defense | 1 · mesa 4 |
| 13 ago 2023 | Gutierrez Castillo, Paloma 1990 | 0-1 | Magarino Carralero, Daylin 1935 | B27 Sicilian Defense: Hyperaccelerated Dragon | 1 · mesa 5 |
| 13 ago 2023 | Garcia Garcia, Samuel 2136 | 0-1 | Iturrizaga Bonelli, Eduardo 2617 | B40 Sicilian Defense: French Variation | 1 · mesa 6 |
| 13 ago 2023 | Mareco, Sandro 2614 | 1-0 | Castro Quijano, Eduardo 2108 | E05 Catalan Opening: Open Defense, Classical Line | 1 · mesa 7 |
| 13 ago 2023 | Gonzalez Pruneda, Arturo 2137 | 0-1 | Henriquez Villagra, Cristobal 2626 | B10 Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | 1 · mesa 8 |
| 13 ago 2023 | Grabuzova, Tatiana 2192 | 1-0 | Garcia Garcia, Aida 1581 | D30 Queen's Gambit Declined | 1 · mesa 9 |
| 13 ago 2023 | Canon Alvarez, Nerea 1561 | ½-½ | De la Orden Alcocer, Alejandro 1932 | A40 Queen's Pawn Game: Modern Defense | 1 · mesa 10 |
| 13 ago 2023 | Kacharava, Nikolozi 2519 | 1-0 | Oudeh Mishmesh, Omar 2245 | B12 Caro-Kann Defense: Advance Variation, Tal Variation | 1 · mesa 11 |
| 13 ago 2023 | Mendivil Anton, Daniel 2180 | 0-1 | Lopez Martinez, Josep Manuel 2458 | A41 Rat Defense: English Rat | 1 · mesa 12 |
| 13 ago 2023 | Serrano Almendros, Angel 2202 | 1-0 | Mendez Acosta, Alexander Jesus 2046 | C05 French Defense: Tarrasch Variation, Closed Variation | 1 · mesa 13 |
| 13 ago 2023 | Quintero Hernandez, Marcos Jes 1673 | 0-1 | Serrano Almendros, Alejandro 2129 | A13 English Opening: Agincourt Defense | 1 · mesa 14 |
| 13 ago 2023 | Perera Borrego, Maria Adela 2172 | 1-0 | Arribas Lopez, Sara 1676 | D37 Queen's Gambit Declined: Barmen Variation | 1 · mesa 15 |
| 13 ago 2023 | Gonzalez Perez, Arian 2388 | ½-½ | Martinez Duany, Lelys Stanley 2486 | D14 Slav Defense: Exchange Variation, Symmetrical Line | 1 · mesa 16 |
| 13 ago 2023 | Forgas Moreno, Yaniela 2297 | 1-0 | Martin Gonzalez, Angel 2207 | A00 Mieses Opening | 1 · mesa 17 |
| 13 ago 2023 | Sanchez Lopez, Juan Manuel 2030 | 0-1 | Alvarez Fernandez, Enrique 2260 | B10 Caro-Kann Defense: Accelerated Panov Attack, Open Variation | 1 · mesa 18 |
| 13 ago 2023 | Sierra Vallina, Lionel 2211 | 1-0 | Hoyas Cebrian, Lucas 1910 | B03 Alekhine Defense: O'Sullivan Gambit | 1 · mesa 19 |
| 13 ago 2023 | Gomez Pastrana, Alba 1552 | 0-1 | Prochaieva, Alina 1839 | B43 Sicilian Defense: Kan Variation, Knight Variation | 1 · mesa 20 |
| 13 ago 2023 | Sosa, Tomas 2556 | ½-½ | Diaz Castro, Ismael 2243 | C54 Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | 1 · mesa 21 |
| 13 ago 2023 | Garcia Jimenez, Santiago 2184 | ½-½ | Gascon Del Nogal, Jose Rafael 2468 | C55 Italian Game: Two Knights Defense, Modern Bishop's Opening | 1 · mesa 22 |
| 13 ago 2023 | Cruz Lledo, Pablo 2364 | 1-0 | Pereira Figueroa, Manuel 2064 | D32 Tarrasch Defense: Two Knights Variation | 1 · mesa 23 |
| 13 ago 2023 | Chacon Perez, Juan 2060 | 1-0 | Montesinos Diaz, Luis 2068 | B11 Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | 1 · mesa 24 |
| 13 ago 2023 | Follana Albelda, Lucia 1887 | 1-0 | Rodrigues do Nascimento Perez, 1690 | B60 Sicilian Defense: Richter-Rauzer Variation | 1 · mesa 25 |
| 13 ago 2023 | Exposito Milan, Adrian 2083 | 0-1 | Lianes Garcia, Marcos 2391 | D02 Queen's Pawn Game: Zukertort Variation | 1 · mesa 26 |
| 13 ago 2023 | Ruiz Buendia, Miguel 2198 | 1-0 | Pardo Ruiz, Carlos 1980 | B76 Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | 1 · mesa 27 |
| 13 ago 2023 | Sanchez Dengra, Barbara 1952 | 0-1 | Centeno Mendoza, Julio Stefano 2172 | C45 Scotch Game: Potter Variation | 1 · mesa 28 |
| 13 ago 2023 | Pablos Tenrero, Raquel 2035 | ½-½ | Orts Tomas, Marc 1925 | B40 Sicilian Defense: French Variation, Westerinen Attack | 1 · mesa 29 |
| 13 ago 2023 | Bascunana Sanchez, Pablo 1774 | ½-½ | Cao Armillas, Jesus 2027 | B52 Sicilian Defense: Moscow Variation, Sokolsky Variation | 1 · mesa 30 |
| 13 ago 2023 | Diaz Camallonga, Carles 2484 | 1-0 | Diaz Velandia, Jose Manuel 2326 | D11 Slav Defense: Quiet Variation | 1 · mesa 31 |
| 13 ago 2023 | Ibanez Aullana, Ramon 2252 | 0-1 | Garcia Ramos, Daniel 2468 | E12 Queen's Indian Defense: Kasparov-Petrosian Variation, Rashkovsky Attack | 1 · mesa 32 |
| 13 ago 2023 | Jimenez Ruano, Adrian 2250 | ½-½ | Uribe, Jhonny Alberto 2205 | A50 Indian Defense: Normal Variation | 1 · mesa 33 |
| 13 ago 2023 | O`Neill Y Daneiko, Jose Antoni 1932 | ½-½ | Perpinya Rofes, Lluis Maria 2243 | B30 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | 1 · mesa 34 |
| 13 ago 2023 | Perez Garcia, Jimena 1849 | ½-½ | Gorchakova, Silvia 1480 | D11 Slav Defense: Modern Line | 1 · mesa 35 |
| 13 ago 2023 | Bermudez Ureba, Juan Diego 2257 | ½-½ | Luque Saiz, Andres 2318 | C41 Philidor Defense: Exchange Variation | 1 · mesa 36 |
| 13 ago 2023 | Sanz Wawer, Daniel 2368 | ½-½ | Cuellar Montes, Alejandro 2086 | D02 Queen's Pawn Game: Symmetrical Variation | 1 · mesa 37 |
| 13 ago 2023 | Diaz Mino, Daniel 2053 | 0-1 | Cano Sanchez, Josue 2359 | B12 Caro-Kann Defense: Advance Variation, Tal Variation | 1 · mesa 38 |
| 13 ago 2023 | Garcia Molina, Jose 2257 | 1-0 | Garcia Rodriguez, Luis 1938 | D31 Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Gambit | 1 · mesa 39 |
| 13 ago 2023 | Tocino Rivas, Maria Milagros 1825 | 0-1 | Donate Moreno, Silvia 1962 | D05 Queen's Pawn Game: Colle System, Traditional Colle | 1 · mesa 40 |
| 14 ago 2023 | Iturrizaga Bonelli, Eduardo 2617 | ½-½ | Minzer, Claudio Javier 2400 | A14 English Opening: Agincourt Defense, Neo-Catalan Declined | 2 · mesa 1 |
| 14 ago 2023 | Korneev Leskova, Svyatoslav 2223 | 0-1 | Mareco, Sandro 2614 | A13 English Opening: Agincourt Defense | 2 · mesa 2 |
| 14 ago 2023 | Henriquez Villagra, Cristobal 2626 | 1-0 | Asensio Ramos, Enrique Fernand 2197 | C42 Petrov's Defense | 2 · mesa 3 |
| 14 ago 2023 | Massanet Massanet, Sebastian 2195 | ½-½ | Grabuzova, Tatiana 2192 | C02 French Defense: Advance Variation, Milner-Barry Gambit | 2 · mesa 4 |
| 14 ago 2023 | Marcos Herrero, Francisco 1821 | 1-0 | Boix Pons, Catalina 1767 | A29 English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | 2 · mesa 5 |
| 14 ago 2023 | Martin Fuentes, Alberto 2388 | 0-1 | Kacharava, Nikolozi 2519 | B50 Sicilian Defense: Delayed Alapin Variation, with d6 | 2 · mesa 6 |
| 14 ago 2023 | Lopez Martinez, Josep Manuel 2458 | 1-0 | Bernal Moro, Luis Javier 2372 | B81 Sicilian Defense: Scheveningen Variation, Keres Attack | 2 · mesa 7 |
| 14 ago 2023 | Gonzalez Laso, Adrian 2235 | 0-1 | Domingo Nunez, Ruben 2420 | B23 Sicilian Defense: Closed, Traditional | 2 · mesa 8 |
| 14 ago 2023 | Domingo Nunez, Alejandro 2323 | ½-½ | Iglesias Ferreira, Andres 2192 | A05 King's Indian Attack: Spassky Variation | 2 · mesa 9 |
| 14 ago 2023 | Aguirre Mediavilla, Laura 1529 | 0-1 | Perera Borrego, Maria Adela 2172 | C14 French Defense: Classical Variation, Alapin Variation | 2 · mesa 10 |