| 16 ago 2021 | Roque Sola, Gisela 2061 | 0-1 | Vallejo Pons, Francisco 2710 | A10 English Opening: Anglo-Dutch Defense | 1 · mesa 1 |
| 16 ago 2021 | Shirov, Alexei 2662 | 1-0 | Rodrigo Yanguas, Maria 2056 | E97 King's Indian Defense: Orthodox Variation, Bayonet Attack | 1 · mesa 2 |
| 16 ago 2021 | Gonzalez Serrato, Diego 2048 | 0-1 | Anton Guijarro, David 2659 | B52 Sicilian Defense: Moscow Variation, Main Line | 1 · mesa 3 |
| 16 ago 2021 | Santos Latasa, Jaime 2616 | 1-0 | Garrido Diaz, Jose Antonio 2046 | A14 English Opening: Agincourt Defense, Neo-Catalan Declined | 1 · mesa 4 |
| 16 ago 2021 | Serrano Almendros, Angel 2042 | 0-1 | Iturrizaga Bonelli, Eduardo 2605 | B40 Sicilian Defense: Delayed Alapin Variation, with e6 | 1 · mesa 5 |
| 16 ago 2021 | Salgado Lopez, Ivan 2599 | 1-0 | Pablos Tenrero, Raquel 2041 | A05 Zukertort Opening: Nimzo-Larsen Variation | 1 · mesa 6 |
| 16 ago 2021 | Ordonez Torres, Maria Del Carmen 2039 | 0-1 | Santos Ruiz, Miguel 2597 | B90 Sicilian Defense: Najdorf Variation | 1 · mesa 7 |
| 16 ago 2021 | Perea Fruet, Lorenzo 2028 | 0-1 | Cuenca Jimenez, Jose Fernando 2542 | C45 Scotch Game: Potter Variation | 1 · mesa 8 |
| 16 ago 2021 | Del Rio De Angelis, Salvador G. 2511 | 1-0 | Ruiz Gonzalez, Jorge 2023 | E52 Nimzo-Indian Defense: Normal Variation, Schlechter Defense | 1 · mesa 9 |
| 16 ago 2021 | Martin Rodriguez, Pablo 2023 | 0-1 | Espinosa Aranda, Angel 2479 | A40 Queen's Pawn Game: Modern Defense | 1 · mesa 10 |
| 16 ago 2021 | Plazuelo Pascual, Juan 2455 | 1-0 | Diaz Mino, Daniel 2018 | A54 Old Indian Defense: Two Knights Variation | 1 · mesa 11 |
| 16 ago 2021 | Del Rio Perezagua, Mario 2014 | 0-1 | Gines Esteo, Pedro Antonio 2439 | B13 Caro-Kann Defense: Exchange Variation | 1 · mesa 12 |
| 16 ago 2021 | Tejedor Fuente, Enrique 2434 | 1-0 | Rodriguez Pereira, Enrique 2011 | B25 Sicilian Defense: Closed | 1 · mesa 13 |
| 16 ago 2021 | Rodriguez Del Cerro, Ricardo 1998 | 0-1 | Martin Duque, Jesus 2425 | A50 Queen's Indian Accelerated | 1 · mesa 14 |
| 16 ago 2021 | Ladron De Guevara Pinto, Paolo 2420 | 1-0 | Blazquez Gomez, Miguel 1996 | C10 French Defense: Hecht-Reefschläger Variation | 1 · mesa 15 |
| 16 ago 2021 | Pedchenko Bondar, Alexandr 1993 | 0-1 | Merario Alarcon, Andres 2417 | D00 Queen's Pawn Game | 1 · mesa 16 |
| 16 ago 2021 | Quintin Navarro, Alberto 2406 | 0-1 | Centeno Mendoza, Julio Stefano 1988 | E05 Catalan Opening: Open Defense, Classical Line | 1 · mesa 17 |
| 16 ago 2021 | Garcia Fernandez, Victor 1977 | 0-1 | Quispe Arteaga, Gabriel 2401 | E32 Nimzo-Indian Defense: Classical Variation | 1 · mesa 18 |
| 16 ago 2021 | Vega Gutierrez, Sabrina 2392 | 1-0 | Crespo Ruiz, Manuel Maria 1975 | B01 Scandinavian Defense: Bronstein Variation | 1 · mesa 19 |
| 16 ago 2021 | Jimenez Fernandez, Rebeca 1951 | 0-1 | Garza Marco, Sergio 2389 | C02 French Defense: Advance Variation, Euwe Variation | 1 · mesa 20 |
| 16 ago 2021 | Teran Alvarez, Ismael 2381 | 1-0 | Juan Mas, Santiago 1947 | E66 King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Advance Line | 1 · mesa 21 |
| 16 ago 2021 | Lopez de Turiso, Jose Angel 1943 | 0-1 | Garrido Outon, Alex 2373 | C85 Ruy Lopez: Closed, Delayed Exchange | 1 · mesa 22 |
| 16 ago 2021 | Carrasco Martinez, Juan M. 2370 | 1-0 | Ruiz Casado, Francisco Javier 1936 | B23 Sicilian Defense: Closed, Traditional | 1 · mesa 23 |
| 16 ago 2021 | Sanabria Taskila, Jenny Maria 1932 | 0-1 | Martinez Fernandez, Adrian 2356 | B90 Sicilian Defense: Najdorf Variation, English Attack | 1 · mesa 24 |
| 16 ago 2021 | Medarde Santiago, Luis Marcos 2354 | 1-0 | Maranon Canton, Antonio 1928 | B88 Sicilian Defense: Sozin Attack, Leonhardt Variation | 1 · mesa 25 |
| 16 ago 2021 | Haering Hijon, Javier 1926 | ½-½ | Serarols Mabras, Bernat 2344 | B30 Sicilian Defense: Old Sicilian | 1 · mesa 26 |
| 16 ago 2021 | Remolar Gallen, Jose 2335 | 1-0 | Ballesteros Borondo, Victor J. 1924 | B22 Sicilian Defense: Alapin Variation, Barmen Defense | 1 · mesa 27 |
| 16 ago 2021 | Arnaiz Yanes, Miguel Angel 1921 | 0-1 | Lin, Yingrui 2332 | A48 Torre Attack: Fianchetto Defense | 1 · mesa 28 |
| 16 ago 2021 | Cesar Maestre, Bernardo 2331 | 1-0 | Rodriguez Garcia, Miguel 1911 | B12 Caro-Kann Defense: Advance Variation, Tal Variation | 1 · mesa 29 |
| 16 ago 2021 | Hernandez Tellez, Claudia 1898 | 0-1 | Macias Pino, Diego 2328 | C78 Ruy Lopez: Morphy Defense, Møller Variation | 1 · mesa 30 |
| 16 ago 2021 | Ortega Ruiz, Jose Miguel 2322 | ½-½ | Pastor Villalba, Arturo 1893 | A84 Dutch Defense: Classical Variation | 1 · mesa 31 |
| 16 ago 2021 | Yuste Valenzuela, Alejandro 1889 | 0-1 | Habans Aguerrea, Javier 2318 | B12 Caro-Kann Defense: Advance Variation, Tal Variation | 1 · mesa 32 |
| 16 ago 2021 | Garcia Martin, Marta 2317 | 1-0 | Aledo Yanguas, David 1879 | C03 French Defense: Tarrasch Variation | 1 · mesa 33 |
| 16 ago 2021 | Carruana Fuentes, Rafael 1875 | 0-1 | Herrera Reyes, Jose Antonio 2304 | A57 Benko Gambit Accepted: Modern Variation | 1 · mesa 34 |
| 16 ago 2021 | Diaz Mino, Pablo 2301 | 1-0 | Moreno Gutierrez, Alfonso 1871 | D87 Grünfeld Defense: Exchange Variation, Spassky Variation | 1 · mesa 35 |
| 16 ago 2021 | Magarino Carraleros, Daylin 1871 | 0-1 | Castellanos Gomez, Alejandro 2287 | C00 French Defense: Schlechter Variation | 1 · mesa 36 |
| 16 ago 2021 | Gavilan Diaz, Mario 2284 | 1-0 | Garrido Diaz, Ernesto 1869 | C76 Ruy Lopez: Morphy Defense, Modern Steinitz Defense, Fianchetto Variation | 1 · mesa 37 |
| 16 ago 2021 | Martin Dinares, Sonia 1865 | 0-1 | Masague Artero, Guerau 2283 | A17 English Opening: Anglo-Indian Defense, Hedgehog System | 1 · mesa 38 |
| 16 ago 2021 | Galiana Fernandez, Adrian 2278 | 1-0 | Sanleon Pravisano, Nieves 1864 | C78 Ruy Lopez: Morphy Defense | 1 · mesa 39 |
| 16 ago 2021 | Moreno Lopez, Avelino 1860 | 0-1 | Carbonell Sancho, Marc 2276 | E94 King's Indian Defense: Orthodox Variation | 1 · mesa 40 |
| 16 ago 2021 | Moral Garcia, Serafin 2267 | 1-0 | Vicens Company, Maria Antonia 1857 | | 1 · mesa 41 |
| 16 ago 2021 | Hernandez Capote, Carmen 1857 | 0-1 | Hernandez Leon, Alberto 2267 | | 1 · mesa 42 |
| 16 ago 2021 | Luque Saiz, Andres 2257 | 1-0 | Perez Hernandez, Juan S. 1853 | | 1 · mesa 43 |
| 16 ago 2021 | Martinez Ramos, Paula 1835 | ½-½ | Silva Lucena, Cristian 2252 | | 1 · mesa 44 |
| 16 ago 2021 | Garcia Gimenez, Santiago 2246 | 1-0 | Mohamed Garcia, Ismael 1830 | | 1 · mesa 45 |
| 16 ago 2021 | Sicilia Laino, Juan Diego 1825 | 0-1 | Rodriguez Ferraz, Borja 2242 | | 1 · mesa 46 |
| 16 ago 2021 | Alvarez Serrano, Carlos 2237 | 1-0 | Donate Moreno, Silvia 1823 | | 1 · mesa 47 |
| 16 ago 2021 | Perez Candelario, Manuel 2585 | 1-0 | Vela Ignacio, Jose Manuel 2031 | | 1 · mesa 48 |
| 16 ago 2021 | Juan Lepp, Jaime Boris 1814 | 0-1 | Centron Antuna, Daniel 2235 | | 1 · mesa 49 |
| 16 ago 2021 | Bermudez Ureba, Juan Diego 2229 | 1-0 | Garcia Almeida, Aitana Maria 1811 | | 1 · mesa 50 |