| 3 jul 2023 | Gonzalez Lopez, Lucas I 1868 | 1-0 | Santos Sanchez, Hugo 1128 | D15 Slav Defense: Three Knights Variation | 1 · mesa 1 |
| 3 jul 2023 | Martin Linares, Gonzalo 1124 | 0-1 | Bru Montoya, Pau 1647 | C58 Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | 1 · mesa 2 |
| 3 jul 2023 | Fuentes De Nova, Sebastian 1608 | 1-0 | Simion, Edward-Matei 1121 | E60 King's Indian Defense: Normal Variation, King's Knight Variation | 1 · mesa 3 |
| 3 jul 2023 | Veiga Macias, Rodrigo 1119 | ½-½ | Perez Monakhov, Andres 1606 | B38 Sicilian Defense: Accelerated Dragon, Maróczy Bind | 1 · mesa 4 |
| 3 jul 2023 | Roche Fraile, Carlos 1554 | 1-0 | Ruiz Perez, Sergio 1116 | B22 Sicilian Defense: Alapin Variation | 1 · mesa 5 |
| 3 jul 2023 | Iraizoz Moreno, Sayoa 1115 | 0-1 | Pardo Ruiz, Beatriz 1542 | D00 Queen's Pawn Game | 1 · mesa 6 |
| 3 jul 2023 | Giraldez Requena, Hugo 1512 | 1-0 | Mari Montes, Xavier 1114 | B07 Pirc Defense: Kholmov System | 1 · mesa 7 |
| 3 jul 2023 | Serradell Munoz, Silvia 1113 | 0-1 | Mendoza Barcia, Mateo 1484 | C51 Italian Game: Evans Gambit, Anderssen Variation | 1 · mesa 8 |
| 3 jul 2023 | Jimenez Haneda, Naoki 1466 | 0-1 | Pabon Hermann, Anna 1111 | B23 Sicilian Defense: Closed, Traditional | 1 · mesa 9 |
| 3 jul 2023 | Saez De Adana Saez, Manuel 1105 | ½-½ | Garcia Corpas, Nicolas 1465 | C47 Four Knights Game: Scotch Variation Accepted | 1 · mesa 10 |
| 3 jul 2023 | Miralles Serna, Ricardo 1454 | 1-0 | Iglesias Pau, Nil 1089 | D53 Queen's Gambit Declined | 1 · mesa 11 |
| 3 jul 2023 | Munoz Xu, Lain 1088 | 0-1 | Otazu Casanes, Abel 1454 | C42 Petrov's Defense: Classical Attack, Staunton Variation | 1 · mesa 12 |
| 3 jul 2023 | Garcia Tanjala, Marko 1450 | 1-0 | Massana Navarro, Darina 1080 | C70 Ruy Lopez: Morphy Defense, Graz Variation | 1 · mesa 13 |
| 3 jul 2023 | Gadea Marti, Rafael Nicolas 1072 | 0-1 | Velasquez Vargas, Sebastian 1427 | D05 Rubinstein Opening | 1 · mesa 14 |
| 3 jul 2023 | Guirado Lara, Pablo 1424 | 1-0 | Torres Alvarez, Iker 1066 | D02 Queen's Pawn Game: Chigorin Variation | 1 · mesa 15 |
| 3 jul 2023 | Dominguez Martinez, Jaime 1064 | 0-1 | Roo Perez, Xoel 1416 | D00 Queen's Pawn Game: Accelerated London System | 1 · mesa 16 |
| 3 jul 2023 | Boluda Costa, Julen 1411 | 1-0 | Aguilar Alcala, Marco 1052 | D20 Queen's Gambit Accepted: Central Variation, McDonnell Defense | 1 · mesa 17 |
| 3 jul 2023 | Sisas Mainar, Izan 1051 | 0-1 | Liern Matesanz, Jairo 1399 | E10 Indian Defense: Anti-Nimzo-Indian | 1 · mesa 18 |
| 3 jul 2023 | Iglesias Flores, Marcos 1395 | 1-0 | Fedorov Kozlov, Andrei 1050 | C45 Scotch Game: Schmidt Variation | 1 · mesa 19 |
| 3 jul 2023 | De Leon Gonzalez, Yraya 1046 | 0-1 | Galiano Puertas, David 1385 | C54 Italian Game: Classical Variation, Giuoco Pianissimo | 1 · mesa 20 |
| 3 jul 2023 | Villa Peiro, Joan 1357 | 1-0 | Gonzalez Lopez, Alberto 1029 | C50 Italian Game: Anti-Fried Liver Defense | 1 · mesa 21 |
| 3 jul 2023 | Martin Montano, Laia 1026 | 0-1 | Iglesias Garcia, Diego | C45 Scotch Game: Classical Variation, Intermezzo Variation | 1 · mesa 22 |
| 3 jul 2023 | Mayordomo Lopez, Ekaitz 1351 | 1-0 | Dominguez Martinez, Monica 1025 | C53 Italian Game: Classical Variation | 1 · mesa 23 |
| 3 jul 2023 | Rodriguez Collazo, Zoe 1024 | 0-1 | Merino Olaverri, Jon 1350 | D04 Queen's Pawn Game: Colle System, Anti-Colle | 1 · mesa 24 |
| 3 jul 2023 | Pastor Pastor, Lucas 1331 | 1-0 | Malagon Moreno, Bruno 1024 | A83 Dutch Defense: Staunton Gambit | 1 · mesa 25 |
| 3 jul 2023 | Barranco Suarez, Fausto 1022 | 0-1 | Petrashko, Vladyslav 1324 | C55 Italian Game: Two Knights Defense, Modern Bishop's Opening | 1 · mesa 26 |
| 3 jul 2023 | Ezcurra Garzo, Adrian 1310 | 1-0 | Collado Perez, Olivia 1003 | D08 Queen's Gambit Declined: Albin Countergambit, Normal Line | 1 · mesa 27 |
| 3 jul 2023 | Ponce Isaach, Pablo 1003 | 0-1 | Rullan Bento, Pau 1310 | D32 Tarrasch Defense: Symmetrical Variation | 1 · mesa 28 |
| 3 jul 2023 | Lema Fernandez, Javier 1305 | 1-0 | Abad Miranda, Carmen | D31 Semi-Slav Defense: Accelerated Move Order | 1 · mesa 29 |
| 3 jul 2023 | Acebal Fernandez, Carlos | 0-1 | Ortega Campallo, David 1303 | A45 Indian Defense: Accelerated London System | 1 · mesa 30 |
| 3 jul 2023 | De Pablos Vicente, Angel 1288 | 1-0 | Alfaro Aldunate, Adrian | B43 Sicilian Defense: Kan Variation, Knight Variation | 1 · mesa 31 |
| 3 jul 2023 | Alfaro Aldunate, Lucia | 0-1 | Alvarez Gonzalez, David 1280 | A45 Indian Defense | 1 · mesa 32 |
| 3 jul 2023 | Regadera Tellez, Pablo 1279 | 1-0 | Carmona Lebedeva, Marco Aurelio | C54 Italian Game: Classical Variation, Giuoco Pianissimo | 1 · mesa 33 |
| 3 jul 2023 | Castejon Tofe, Francisco Javier | 0-1 | Antoshin, Andrey 1264 | D05 Queen's Pawn Game: Colle System, Traditional Colle | 1 · mesa 34 |
| 3 jul 2023 | Martinez Fernandez, Alvaro 1262 | 1-0 | Ciganda Palacios, Iraia | C50 Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | 1 · mesa 35 |
| 3 jul 2023 | Cordero Cacho, Ariana | 0-1 | Climent Alcon, Alex 1261 | B13 Caro-Kann Defense: Exchange Variation | 1 · mesa 36 |
| 3 jul 2023 | Roo Guillan, Lois 1250 | 0-1 | De Leon Gonzalez, Edey | C20 King's Pawn Game: Wayward Queen Attack | 1 · mesa 37 |
| 3 jul 2023 | Diaz Baez, Nicolas | 0-1 | Pons Sancho, Roc 1236 | B40 Sicilian Defense: Pin Variation | 1 · mesa 38 |
| 3 jul 2023 | Clerc, Oceane 1230 | 1-0 | Espinosa Olmos, Liam | C00 French Defense: Schlechter Variation | 1 · mesa 39 |
| 3 jul 2023 | Fernandez Diez, Catalina | 0-1 | Yanez Munoz, Alejandra 1230 | D01 Rapport-Jobava System | 1 · mesa 40 |
| 3 jul 2023 | Llamas Rodriguez, Javier 1229 | 1-0 | Fernandez Onieva, Diego | C56 Italian Game: Scotch Gambit, Anderssen Attack | 1 · mesa 41 |
| 3 jul 2023 | Frances Jimenez, Pablo | 0-1 | Crespo Gil, Paula 1227 | B15 Caro-Kann Defense: Tartakower Variation | 1 · mesa 42 |
| 3 jul 2023 | Morell Rojas, Samuel 1216 | 0-1 | Frias Lope, Miguel | C47 Four Knights Game: Italian Variation, Noa Gambit | 1 · mesa 43 |
| 3 jul 2023 | Garcia Corpas, Oliver | 0-1 | Nocigan, Lucas-Madalin 1214 | C56 Italian Game: Scotch Gambit, Max Lange Attack | 1 · mesa 44 |
| 3 jul 2023 | Perez Ruiz, Diego 1210 | ½-½ | Garcia Nunez, Helena | B27 Sicilian Defense: Hyperaccelerated Dragon | 1 · mesa 45 |
| 3 jul 2023 | Climent Alcon, Alex 1261 | ½-½ | Gonzalez Lopez, Lucas I 1868 | A48 London System | 2 · mesa 1 |
| 3 jul 2023 | Bru Montoya, Pau 1647 | 1-0 | Roo Guillan, Lois 1250 | C54 Italian Game: Classical Variation, Giuoco Pianissimo | 2 · mesa 2 |
| 3 jul 2023 | Pons Sancho, Roc 1236 | 0-1 | Fuentes De Nova, Sebastian 1608 | E10 Indian Defense: Anti-Nimzo-Indian | 2 · mesa 3 |
| 3 jul 2023 | Yanez Munoz, Alejandra 1230 | 0-1 | Roche Fraile, Carlos 1554 | C42 Petrov's Defense: Three Knights Game | 2 · mesa 4 |
| 3 jul 2023 | Pardo Ruiz, Beatriz 1542 | 1-0 | Clerc, Oceane 1230 | B40 Sicilian Defense: French Variation | 2 · mesa 5 |