| 8 jul 2023 | Bru Montoya, Pau 1756 | 1-0 | Ramos Cabezas, Alonso 1185 | B28 Sicilian Defense: O'Kelly Variation, Venice System, Steiner Line | 1 · mesa 1 |
| 8 jul 2023 | Saez De Adana Saez, Manuel 1171 | 0-1 | Gonzalez Lopez, Lucas I 1730 | B23 Sicilian Defense: Closed | 1 · mesa 2 |
| 8 jul 2023 | Villa Peiro, Joan 1556 | 1-0 | Garcia Martin, Marco 1168 | C56 Italian Game: Two Knights Defense, Max Lange Attack | 1 · mesa 3 |
| 8 jul 2023 | Caballero Sanchez, Francisco 1167 | 0-1 | Perez Monakhov, Andres 1538 | B38 Sicilian Defense: Accelerated Dragon, Maróczy Bind | 1 · mesa 4 |
| 8 jul 2023 | Fuentes De Nova, Sebastian 1526 | 1-0 | Martinez Correa, Rafael 1160 | B08 Pirc Defense: Classical Variation | 1 · mesa 5 |
| 8 jul 2023 | Malagon Moreno, Bruno 1156 | 0-1 | Giraldez Requena, Hugo 1519 | B21 Sicilian Defense: Smith-Morra Gambit Accepted, Morphy Defense | 1 · mesa 6 |
| 8 jul 2023 | Mendoza Barcia, Mateo 1484 | 1-0 | Gil Yaremchuk, Alejandro 1155 | B30 Sicilian Defense: Old Sicilian | 1 · mesa 7 |
| 8 jul 2023 | Parra Erazo, Santiago 1153 | 0-1 | Roche Fraile, Carlos 1482 | D02 Queen's Pawn Game: London System, with e6 | 1 · mesa 8 |
| 8 jul 2023 | Boluda Costa, Julen 1450 | 1-0 | Blanco Diaz, Cristobal Andres 1152 | A07 King's Indian Attack | 1 · mesa 9 |
| 8 jul 2023 | Quiroga Andres, Carlos 1149 | 1-0 | Lopez Sanchez, Elisa 1447 | D55 Queen's Gambit Declined: Modern Variation, Normal Line | 1 · mesa 10 |
| 8 jul 2023 | Llamas Rodriguez, Javier 1412 | 1-0 | Frias Lope, Marta 1139 | C44 Scotch Game: Haxo Gambit | 1 · mesa 11 |
| 8 jul 2023 | Garcia Nunez, Helena 1133 | 0-1 | Escobar Pavlik, Luka 1408 | B10 Caro-Kann Defense | 1 · mesa 12 |
| 8 jul 2023 | Garcia Tanjala, Marko 1395 | 1-0 | Martin Linares, Gonzalo 1124 | C44 King's Knight Opening: Konstantinopolsky | 1 · mesa 13 |
| 8 jul 2023 | Simion, Edward-Matei 1121 | 1-0 | Garcia Corpas, Nicolas 1391 | C47 Four Knights Game: Scotch Variation Accepted | 1 · mesa 14 |
| 8 jul 2023 | Liern Matesanz, Jairo 1376 | 1-0 | De Leon Gonzalez, Yraya 1118 | D37 Queen's Gambit Declined: Barmen Variation | 1 · mesa 15 |
| 8 jul 2023 | Iraizoz Moreno, Sayoa 1115 | 1-0 | Pardo Ruiz, Beatriz 1351 | D02 Queen's Pawn Game: London System, with e6 | 1 · mesa 16 |
| 8 jul 2023 | Merino Olaverri, Jon 1350 | 0-1 | Iglesias Montes, Lucas 1107 | D02 Queen's Pawn Game: London System | 1 · mesa 17 |
| 8 jul 2023 | Gadea Marti, Rafael Nicolas 1106 | 1-0 | Murillo Munoz, Miguel 1349 | C42 Petrov's Defense | 1 · mesa 18 |
| 8 jul 2023 | Mayordomo Lopez, Ekaitz 1348 | 0-1 | Fedorov Kozlov, Andrei 1104 | B06 Modern Defense | 1 · mesa 19 |
| 8 jul 2023 | Marin Ferragut, Lluc 1102 | 0-1 | Pastor Pastor, Lucas 1346 | B40 Sicilian Defense: Delayed Alapin Variation, with e6 | 1 · mesa 20 |
| 8 jul 2023 | Lema Fernandez, Javier 1336 | 1-0 | Ruiz Perez, Sergio 1099 | D53 Queen's Gambit Declined | 1 · mesa 21 |
| 8 jul 2023 | Iglesias Pau, Nil 1089 | 0-1 | Regadera Tellez, Pablo 1327 | B24 Sicilian Defense: Closed, Fianchetto Variation | 1 · mesa 22 |
| 8 jul 2023 | Roo Perez, Xoel 1325 | 0-1 | Ishchenko-Giller, Matvii 1085 | B33 Sicilian Defense: Lasker-Pelikan Variation | 1 · mesa 23 |
| 8 jul 2023 | Rodriguez Collazo, Mar 1081 | 0-1 | Nocigan, Lucas-Madalin 1323 | D04 Queen's Pawn Game: Colle System | 1 · mesa 24 |
| 8 jul 2023 | Arres Larrosa, Pablo 1318 | 1-0 | Barranco Suarez, Fausto 1072 | C44 Scotch Game: Scotch Gambit, Advance Variation | 1 · mesa 25 |
| 8 jul 2023 | Pabon Hermann, Anna 1071 | 0-1 | Manrique Garcia, Daniel 1313 | C29 Vienna Game: Vienna Gambit, Paulsen Attack | 1 · mesa 26 |
| 8 jul 2023 | Ezcurra Garzo, Adrian 1310 | 1-0 | Alfaro Aldunate, Adrian 1070 | B00 Nimzowitsch Defense | 1 · mesa 27 |
| 8 jul 2023 | Torres Alvarez, Iker 1066 | 0-1 | Rullan Bento, Pau 1310 | D02 Queen's Pawn Game: Chigorin Variation | 1 · mesa 28 |
| 8 jul 2023 | Iglesias Garcia, Diego 1308 | 0-1 | Mora Ortega, David 1061 | B21 Sicilian Defense: Smith-Morra Gambit Accepted | 1 · mesa 29 |
| 8 jul 2023 | Juan Miguel, Javier 1059 | 0-1 | Velasquez Vargas, Sebastian 1307 | D05 Queen's Pawn Game: Colle System | 1 · mesa 30 |
| 8 jul 2023 | Guirado Lara, Pablo 1291 | 1-0 | Santos Sanchez, Hugo 1055 | D04 Queen's Pawn Game: Colle System, Anti-Colle | 1 · mesa 31 |
| 8 jul 2023 | Aguilar Alcala, Marco 1052 | ½-½ | Llobet Planes, Jordi 1285 | C47 Four Knights Game: Italian Variation | 1 · mesa 32 |
| 8 jul 2023 | Mari Montes, Xavier 1284 | ½-½ | Sisas Mainar, Izan 1051 | A46 Indian Defense: London System | 1 · mesa 33 |
| 8 jul 2023 | Gonzalez Lopez, Alberto 1029 | ½-½ | Otazu Casanes, Abel 1278 | C42 Petrov's Defense: Cozio Attack | 1 · mesa 34 |
| 8 jul 2023 | Massana Navarro, Darina 1274 | ½-½ | Rodriguez Collazo, Zoe 1024 | C42 Petrov's Defense: Three Knights Game | 1 · mesa 35 |
| 8 jul 2023 | Collado Perez, Olivia 1003 | 0-1 | Jimenez Haneda, Naoki 1270 | B12 Caro-Kann Defense: Advance Variation, Tal Variation | 1 · mesa 36 |
| 8 jul 2023 | Martinez Fernandez, Alvaro 1270 | 0-1 | Ponce Isaach, Pablo 1003 | C62 Ruy Lopez: Steinitz Defense | 1 · mesa 37 |
| 8 jul 2023 | Abad Miranda, Carmen | 1-0 | Magan Perez, Alex 1268 | A80 Dutch Defense | 1 · mesa 38 |
| 8 jul 2023 | Acebal Fernandez, Carlos 1265 | 1-0 | Alfaro Aldunate, Lucia | A45 Indian Defense: Accelerated London System | 1 · mesa 39 |
| 8 jul 2023 | Carmona Lebedeva, Marco Aurelio | 0-1 | Iglesias Flores, Marcos 1264 | C50 Italian Game: Giuoco Pianissimo, Canal Variation | 1 · mesa 40 |
| 8 jul 2023 | Yanston, Kseniia 1262 | 1-0 | Castejon Tofe, Francisco Javier | C42 Petrov's Defense: Damiano Variation, Kholmov Gambit | 1 · mesa 41 |
| 8 jul 2023 | De Leon Gonzalez, Edey | 0-1 | Miralles Serna, Ricardo 1259 | B10 Caro-Kann Defense: Hillbilly Attack | 1 · mesa 42 |
| 8 jul 2023 | Otero Ramirez, Martin 1246 | 0-1 | Bru Montoya, Pau 1756 | C47 Four Knights Game: Scotch Variation, Belgrade Gambit | 2 · mesa 1 |
| 8 jul 2023 | Gonzalez Lopez, Lucas I 1730 | 1-0 | Frias Lope, Miguel 1249 | D35 Queen's Gambit Declined: Exchange Variation, Positional Variation | 2 · mesa 2 |
| 8 jul 2023 | Alvarez Gonzalez, David 1239 | 0-1 | Villa Peiro, Joan 1556 | C01 French Defense: Exchange Variation | 2 · mesa 3 |
| 8 jul 2023 | Perez Monakhov, Andres 1538 | 1-0 | Hernandez Martinez, Pol 1238 | D37 Queen's Gambit Declined: Barmen Variation | 2 · mesa 4 |
| 8 jul 2023 | Saiz Alonso De Armino, Daniel 1231 | 0-1 | Fuentes De Nova, Sebastian 1526 | C54 Italian Game: Classical Variation, Giuoco Pianissimo | 2 · mesa 5 |
| 8 jul 2023 | Giraldez Requena, Hugo 1519 | 1-0 | Yanez Munoz, Alejandra 1230 | C50 Italian Game: Giuoco Pianissimo, Normal | 2 · mesa 6 |
| 8 jul 2023 | Pons Sancho, Roc 1229 | 0-1 | Mendoza Barcia, Mateo 1484 | D60 Queen's Gambit Declined: Orthodox Defense, Botvinnik Variation | 2 · mesa 7 |
| 8 jul 2023 | Roche Fraile, Carlos 1482 | 1-0 | Galiano Puertas, David 1228 | C64 Ruy Lopez: Classical Variation | 2 · mesa 8 |