| 10 sept 2021 | Suarez Gomez, Julio 2447 | Ver la partida ½-½ | Lopez Martinez, Josep Manuel 2524 | E71 King's Indian Defense: Makogonov Variation | C.X. Fontecarmoa - Viajes Interrías Sanxenxo – C.E. Barberá | ronda 3 · mesa 1 |
| 10 sept 2021 | Alsina Leal, Daniel 2516 | Ver la partida ½-½ | Reinaldo Castineira, Roi 2489 | C02 French Defense: Advance Variation, Euwe Variation | C.X. Fontecarmoa - Viajes Interrías Sanxenxo – C.E. Barberá | ronda 3 · mesa 2 |
| 10 sept 2021 | Laiz Ibanez, Hector 2318 | Ver la partida ½-½ | Hernandez, Cristian Andres 2376 | B91 Sicilian Defense: Najdorf Variation, Zagreb Variation | C.X. Fontecarmoa - Viajes Interrías Sanxenxo – C.E. Barberá | ronda 3 · mesa 3 |
| 10 sept 2021 | Alonso Moyano, Jonathan 2341 | Ver la partida 1-0 | Abal Cores, Lucas 2317 | B23 Sicilian Defense: Closed, Traditional | C.X. Fontecarmoa - Viajes Interrías Sanxenxo – C.E. Barberá | ronda 3 · mesa 4 |
| 10 sept 2021 | Rodriguez Ferreiros, Andres 2211 | Ver la partida 1-0 | Martinez Ramirez, Erik 2238 | B38 Sicilian Defense: Accelerated Dragon, Maróczy Bind | C.X. Fontecarmoa - Viajes Interrías Sanxenxo – C.E. Barberá | ronda 3 · mesa 5 |
| 10 sept 2021 | Ponsa Alcubierre, Marina 1616 | Ver la partida 0-1 | Dorado Meijide, Andrea 1805 | C11 French Defense: Classical Variation, Steinitz Variation | C.X. Fontecarmoa - Viajes Interrías Sanxenxo – C.E. Barberá | ronda 3 · mesa 6 |
| 10 sept 2021 | Asis Gargatagli, Hipolito 2475 | Ver la partida 1-0 | Sosa, Tomas 2565 | C79 Ruy Lopez: Morphy Defense, Steinitz Deferred | C.E. Barcelona – C.A. Excalibur Albacete | ronda 3 · mesa 7 |
| 10 sept 2021 | Fernandez Barrera, Victor 2280 | Ver la partida 0-1 | Gines Esteo, Pedro Antonio 2428 | C56 Italian Game: Two Knights Defense, Perreux Variation | C.E. Barcelona – C.A. Excalibur Albacete | ronda 3 · mesa 8 |
| 10 sept 2021 | Ayats Llobera, Gerard 2436 | Ver la partida 1-0 | Buendia Pinar, Alvaro 2315 | B11 Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | C.E. Barcelona – C.A. Excalibur Albacete | ronda 3 · mesa 9 |
| 10 sept 2021 | Jimenez Martinez, Jose Vicente 2271 | Ver la partida 1-0 | Martinez Fernandez, Adrian 2318 | E32 Nimzo-Indian Defense: Classical Variation, Keres Defense | C.E. Barcelona – C.A. Excalibur Albacete | ronda 3 · mesa 10 |
| 10 sept 2021 | Jimenez Ruano, Adrian 2240 | Ver la partida 0-1 | Villasenor Rubio, Emilio Jose 2231 | E71 King's Indian Defense: Karpov System | C.E. Barcelona – C.A. Excalibur Albacete | ronda 3 · mesa 11 |
| 10 sept 2021 | Jimenez Fernandez, Rebeca 2009 | Ver la partida 0-1 | Rodriguez Redondo, Adhara 2042 | C56 Italian Game: Two Knights Defense, Perreux Variation | C.E. Barcelona – C.A. Excalibur Albacete | ronda 3 · mesa 12 |
| 10 sept 2021 | Lamard, Guillaume 2483 | Ver la partida ½-½ | Pulvett Marin, Daniel Eduardo 2492 | D97 Grünfeld Defense: Russian Variation, Byrne Variation | C.A. Grandama Santa Lucía – C.A. Collado Villalba | ronda 3 · mesa 13 |
| 10 sept 2021 | Quispe Arteaga, Gabriel 2394 | Ver la partida ½-½ | Libiszewski, Fabien 2522 | E73 King's Indian Defense: Normal Variation, Standard Development | C.A. Grandama Santa Lucía – C.A. Collado Villalba | ronda 3 · mesa 14 |
| 10 sept 2021 | Bressac, Stephane 2368 | Ver la partida 0-1 | Suarez Uriel, Adrian 2363 | B22 Sicilian Defense: Alapin Variation, Stoltz Attack | C.A. Grandama Santa Lucía – C.A. Collado Villalba | ronda 3 · mesa 15 |
| 10 sept 2021 | Zhou, Lulu 2043 | Ver la partida ½-½ | Hernando Rodrigo, Jose Maria 2291 | B45 Sicilian Defense: Four Knights Variation | C.A. Grandama Santa Lucía – C.A. Collado Villalba | ronda 3 · mesa 16 |
| 10 sept 2021 | Calzetta Ruiz, Monica 2256 | Ver la partida 0-1 | Ruiz Buendia, Miguel 2027 | B97 Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation | C.A. Grandama Santa Lucía – C.A. Collado Villalba | ronda 3 · mesa 17 |
| 10 sept 2021 | Cao Armillas, Jesus 2000 | Ver la partida 1-0 | Guerrero Orihuela, Jose Luis 1922 | A58 Benko Gambit Accepted: Fully Accepted Variation | C.A. Grandama Santa Lucía – C.A. Collado Villalba | ronda 3 · mesa 18 |
| 10 sept 2021 | Plazuelo Pascual, Juan 2463 | Ver la partida ½-½ | Socko, Bartosz 2617 | D85 Grünfeld Defense: Exchange Variation, Modern Exchange Variation | C.A. Virgen de Atocha – C.A. Solvay | ronda 3 · mesa 19 |
| 10 sept 2021 | Santos Ruiz, Miguel 2605 | Ver la partida 1-0 | Espinosa Aranda, Angel 2485 | B36 Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | C.A. Virgen de Atocha – C.A. Solvay | ronda 3 · mesa 20 |
| 10 sept 2021 | Rubio Mejia, Luis Ignacio 2402 | Ver la partida ½-½ | Korneev, Oleg 2531 | D43 Semi-Slav Defense | C.A. Virgen de Atocha – C.A. Solvay | ronda 3 · mesa 21 |
| 10 sept 2021 | Tejedor Fuente, Enrique 2407 | Ver la partida 1-0 | Almagro Llamas, Pablo 2413 | B11 Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | C.A. Virgen de Atocha – C.A. Solvay | ronda 3 · mesa 22 |
| 10 sept 2021 | Martinez-Conde Hernandez, Carlos | Ver la partida 0-1 | Martin Fuentes, Alberto 2402 | C02 French Defense: Advance Variation, Main Line | | ronda 3 · mesa 23 |
| 10 sept 2021 | Socko, Monika 2385 | Ver la partida 1-0 | Rodrigo Yanguas, Maria 2022 | E70 King's Indian Defense: Normal Variation | C.A. Virgen de Atocha – C.A. Solvay | ronda 3 · mesa 24 |