| 8 sept 2021 | Sosa, Tomas 2565 | ½-½ | Lopez Martinez, Josep Manuel 2524 | C07 French Defense: Tarrasch Variation, Chistyakov Defense | 1 · mesa 1 |
| 8 sept 2021 | Alsina Leal, Daniel 2516 | ½-½ | Fernandez Barrera, Victor 2280 | A30 English Opening: Symmetrical Variation | 1 · mesa 2 |
| 8 sept 2021 | Buendia Pinar, Alvaro 2315 | ½-½ | Hernandez, Cristian Andres 2376 | B50 Sicilian Defense: Delayed Alapin Variation, with d6 | 1 · mesa 3 |
| 8 sept 2021 | Alonso Moyano, Jonathan 2341 | 1-0 | Villasenor Rubio, Emilio Jose 2231 | B23 Sicilian Defense: Closed, Traditional | 1 · mesa 4 |
| 8 sept 2021 | Alvarez Serrano, Carlos 2205 | ½-½ | Martinez Ramirez, Erik 2238 | D85 Grünfeld Defense: Exchange Variation | 1 · mesa 5 |
| 8 sept 2021 | Ponsa Alcubierre, Marina 1616 | 0-1 | Jimenez Fernandez, Rebeca 2009 | B35 Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | 1 · mesa 6 |
| 8 sept 2021 | Suarez Gomez, Julio 2447 | ½-½ | Vazquez Igarza, Renier 2561 | E52 Nimzo-Indian Defense: Normal Variation, Schlechter Defense | 1 · mesa 7 |
| 8 sept 2021 | Pulvett Marin, Daniel Eduardo 2492 | ½-½ | Reinaldo Castineira, Roi 2489 | E10 Indian Defense: Dzindzi-Indian Defense | 1 · mesa 8 |
| 8 sept 2021 | Laiz Ibanez, Hector 2318 | 0-1 | Martin Duque, Jesus 2414 | B12 Caro-Kann Defense: Advance Variation, Tal Variation | 1 · mesa 9 |
| 8 sept 2021 | Quispe Arteaga, Gabriel 2394 | 0-1 | Abal Cores, Lucas 2317 | A89 Dutch Defense: Leningrad Variation, Matulovic Variation | 1 · mesa 10 |
| 8 sept 2021 | Rodriguez Ferreiros, Andres 2211 | ½-½ | Zhou, Lulu 2043 | C99 Ruy Lopez: Closed, Chigorin Defense, Panov System | 1 · mesa 11 |
| 8 sept 2021 | Ruiz Buendia, Miguel 2027 | 1-0 | Dorado Meijide, Andrea 1805 | C11 French Defense: Steinitz Variation | 1 · mesa 12 |
| 8 sept 2021 | Asis Gargatagli, Hipolito 2475 | ½-½ | Socko, Bartosz 2617 | C42 Petrov's Defense: Classical Attack, Staunton Variation | 1 · mesa 13 |
| 8 sept 2021 | Santos Ruiz, Miguel 2605 | ½-½ | Gines Esteo, Pedro Antonio 2428 | B13 Caro-Kann Defense: Exchange Variation | 1 · mesa 14 |
| 8 sept 2021 | Ayats Llobera, Gerard 2436 | 1-0 | Korneev, Oleg 2531 | B42 Sicilian Defense: Kan Variation, Polugaevsky Variation | 1 · mesa 15 |
| 8 sept 2021 | Tejedor Fuente, Enrique 2407 | 1-0 | Martinez Fernandez, Adrian 2318 | A06 Zukertort Opening | 1 · mesa 16 |
| 8 sept 2021 | Jimenez Ruano, Adrian 2240 | ½-½ | Martin Fuentes, Alberto 2402 | A57 Benko Gambit Accepted: Modern Variation | 1 · mesa 17 |
| 8 sept 2021 | Socko, Monika 2385 | 1-0 | Rodriguez Redondo, Adhara 2042 | C50 Italian Game: Rosentreter Gambit | 1 · mesa 18 |
| 8 sept 2021 | Lamard, Guillaume 2483 | 1-0 | Plazuelo Pascual, Juan 2463 | D30 Queen's Gambit Declined | 1 · mesa 19 |
| 8 sept 2021 | Espinosa Aranda, Angel 2485 | ½-½ | Libiszewski, Fabien 2522 | C01 French Defense: Exchange Variation | 1 · mesa 20 |
| 8 sept 2021 | Bressac, Stephane 2368 | 0-1 | Rubio Mejia, Luis Ignacio 2402 | B22 Sicilian Defense: Alapin Variation | 1 · mesa 21 |
| 8 sept 2021 | Almagro Llamas, Pablo 2413 | ½-½ | Hernando Rodrigo, Jose Maria 2291 | D27 Queen's Gambit Accepted: Classical Defense, Rubinstein Variation | 1 · mesa 22 |
| 8 sept 2021 | Calzetta Ruiz, Monica 2256 | 0-1 | Martinez-Conde Hernandez, Carlos | B47 Sicilian Defense: Taimanov Variation, Bastrikov Variation | 1 · mesa 23 |
| 8 sept 2021 | Rodrigo Yanguas, Maria 2022 | 1-0 | Guerrero Orihuela, Jose Luis 1922 | B22 Sicilian Defense: Alapin Variation, Smith-Morra Declined | 1 · mesa 24 |
| 9 sept 2021 | Lopez Martinez, Josep Manuel 2524 | ½-½ | Plazuelo Pascual, Juan 2463 | B45 Sicilian Defense: Four Knights Variation | 2 · mesa 1 |
| 9 sept 2021 | Espinosa Aranda, Angel 2485 | ½-½ | Alsina Leal, Daniel 2516 | B22 Sicilian Defense: Alapin Variation, Smith-Morra Declined | 2 · mesa 2 |
| 9 sept 2021 | Hernandez, Cristian Andres 2376 | ½-½ | Rubio Mejia, Luis Ignacio 2402 | E17 Queen's Indian Defense: Fianchetto Variation, Kramnik Variation | 2 · mesa 3 |
| 9 sept 2021 | Almagro Llamas, Pablo 2413 | 1-0 | Alonso Moyano, Jonathan 2341 | A20 English Opening: King's English Variation | 2 · mesa 4 |
| 9 sept 2021 | Martinez Ramirez, Erik 2238 | ½-½ | Martinez-Conde Hernandez, Carlos | B48 Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | 2 · mesa 5 |
| 9 sept 2021 | Rodrigo Yanguas, Maria 2022 | 1-0 | Ponsa Alcubierre, Marina 1616 | B36 Sicilian Defense: Accelerated Dragon, Maróczy Bind | 2 · mesa 6 |
| 9 sept 2021 | Socko, Bartosz 2617 | ½-½ | Lamard, Guillaume 2483 | B90 Sicilian Defense: Najdorf Variation, English Attack | 2 · mesa 7 |
| 9 sept 2021 | Libiszewski, Fabien 2522 | ½-½ | Santos Ruiz, Miguel 2605 | B47 Sicilian Defense: Taimanov Variation, Bastrikov Variation | 2 · mesa 8 |
| 9 sept 2021 | Korneev, Oleg 2531 | 1-0 | Bressac, Stephane 2368 | B33 Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | 2 · mesa 9 |
| 9 sept 2021 | Hernando Rodrigo, Jose Maria 2291 | 0-1 | Tejedor Fuente, Enrique 2407 | D30 Queen's Gambit Declined: Traditional Variation | 2 · mesa 10 |
| 9 sept 2021 | Martin Fuentes, Alberto 2402 | 1-0 | Calzetta Ruiz, Monica 2256 | B31 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | 2 · mesa 11 |
| 9 sept 2021 | Guerrero Orihuela, Jose Luis 1922 | 0-1 | Socko, Monika 2385 | E41 Nimzo-Indian Defense: Rubinstein System | 2 · mesa 12 |
| 9 sept 2021 | Vazquez Igarza, Renier 2561 | ½-½ | Asis Gargatagli, Hipolito 2475 | D78 Neo-Grünfeld Defense: Classical Variation, Original Defense | 2 · mesa 13 |
| 9 sept 2021 | Gines Esteo, Pedro Antonio 2428 | ½-½ | Pulvett Marin, Daniel Eduardo 2492 | D91 Grünfeld Defense: Three Knights Variation, Petrosian System | 2 · mesa 14 |
| 9 sept 2021 | Martin Duque, Jesus 2414 | 0-1 | Ayats Llobera, Gerard 2436 | C41 Philidor Defense: Lion Variation | 2 · mesa 15 |
| 9 sept 2021 | Martinez Fernandez, Adrian 2318 | 1-0 | Suarez Uriel, Adrian 2363 | B32 Sicilian Defense: Kalashnikov Variation | 2 · mesa 16 |
| 9 sept 2021 | Zhou, Lulu 2043 | 1-0 | Martin Gonzalez, Angel 2251 | B76 Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | 2 · mesa 17 |
| 9 sept 2021 | Rodriguez Redondo, Adhara 2042 | 1-0 | Pablos Tenrero, Raquel 1981 | B32 Sicilian Defense: Kalashnikov Variation | 2 · mesa 18 |
| 9 sept 2021 | Sosa, Tomas 2565 | ½-½ | Suarez Gomez, Julio 2447 | C08 French Defense: Tarrasch Variation, Open System | 2 · mesa 19 |
| 9 sept 2021 | Reinaldo Castineira, Roi 2489 | 1-0 | Fernandez Barrera, Victor 2280 | B35 Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | 2 · mesa 20 |
| 9 sept 2021 | Buendia Pinar, Alvaro 2315 | ½-½ | Laiz Ibanez, Hector 2318 | E46 Nimzo-Indian Defense: Reshevsky Variation | 2 · mesa 21 |
| 9 sept 2021 | Abal Cores, Lucas 2317 | ½-½ | Jimenez Martinez, Jose Vicente 2271 | E71 King's Indian Defense: Karpov System | 2 · mesa 22 |
| 9 sept 2021 | Villasenor Rubio, Emilio Jose 2231 | 0-1 | Rodriguez Ferreiros, Andres 2211 | C00 French Defense: Schlechter Variation | 2 · mesa 23 |
| 9 sept 2021 | Dorado Meijide, Andrea 1805 | 0-1 | Jimenez Fernandez, Rebeca 2009 | B27 Sicilian Defense: Hyperaccelerated Dragon | 2 · mesa 24 |
| 10 sept 2021 | Suarez Gomez, Julio 2447 | ½-½ | Lopez Martinez, Josep Manuel 2524 | E71 King's Indian Defense: Makogonov Variation | 3 · mesa 1 |
| 10 sept 2021 | Alsina Leal, Daniel 2516 | ½-½ | Reinaldo Castineira, Roi 2489 | C02 French Defense: Advance Variation, Euwe Variation | 3 · mesa 2 |