| 24 feb 2021 | Delgado Ramirez, Neuris (neurisdr) | Ver la partida 1-0 | -Marino Bravo, Miguel Angel (Cuchu | B27 Sicilian Defense: Hyperaccelerated Dragon | | ronda 3 · mesa 1 |
| 24 feb 2021 | Vinuela Diaz, Saul (SwordOfTinabi | Ver la partida ½-½ | -Alvarez Fernandez, Enrique (kinkaiser) | D00 Queen's Pawn Game: Accelerated London System | | ronda 3 · mesa 1 |
| 24 feb 2021 | Guerrero Olmos, Sergio (soloderisas | Ver la partida 0-1 | -Antuna Egocheaga, Rafael Eduardo (raf | D02 Queen's Pawn Game: London System | | ronda 3 · mesa 1 |
| 24 feb 2021 | Centron Antuna, Daniel (Dacean99) | Ver la partida 1-0 | -Rodriguez Uria, Julio Antonio (esla | D01 Rapport-Jobava System | | ronda 3 · mesa 1 |
| 24 feb 2021 | Recuero Guerra, Javier (Javirec) | Ver la partida ½-½ | -Badillo Ramos, Steve (miguelanguel | A29 English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | | ronda 3 · mesa 1 |
| 24 feb 2021 | Alonso Fernandez, Gonzalo (GenioAlfa) | Ver la partida 1-0 | -Rodriguez Suarez, Pablo (pablors10) | B72 Sicilian Defense: Dragon Variation | Vetusta B – Ciudad Naranco A | ronda 3 · mesa 1 |
| 24 feb 2021 | Arguelles Loy, Felix Orlando (Lain | Ver la partida 1-0 | -Siscar Conill, Aitor (siscar2006) | A27 English Opening: King's English Variation, Three Knights System | | ronda 3 · mesa 1 |
| 24 feb 2021 | Martin Fernandez, Jorge (GeorgeROVD) | Ver la partida 1-0 | -Caso Huerta, Marcos (mcaso) | E76 King's Indian Defense: Four Pawns Attack | Vetusta B – Ciudad Naranco A | ronda 3 · mesa 1 |
| 24 feb 2021 | Alonso Alvarez, Aitor (SmaugFire) | Ver la partida 0-1 | -Prado Lobo, Jonas (Tsschessulov | A40 Queen's Pawn Game: Modern Defense | | ronda 3 · mesa 1 |
| 24 feb 2021 | Blazquez Lopez, Berna (JAVIERAGUERA | Ver la partida 1-0 | -Gonzalez Guedes, Iyan (IyanBuho) | E92 King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | | ronda 3 · mesa 1 |
| 24 feb 2021 | Gonzalez Menendez, Ivan (StarkAst) | Ver la partida 1-0 | -Rodriguez Garcia, Jose Antonio (joanr | B45 Sicilian Defense: Four Knights Variation | | ronda 3 · mesa 1 |
| 24 feb 2021 | Caso De Los Cobos Martinez, Guillermo Emilio (G | Ver la partida 0-1 | -Vergara Anton, Diego (PavlenkaWall | D55 Queen's Gambit Declined: Modern Variation, Normal Line | | ronda 3 · mesa 1 |
| 24 feb 2021 | San Claudio Gonzalez, Francisco Javier De | Ver la partida 1-0 | -Martin Cabeza, Nicolas (aviles3jr3 | B23 Sicilian Defense: Closed | | ronda 3 · mesa 1 |
| 24 feb 2021 | Gonzalez Gonzalez, Javier (Jgg2010) | Ver la partida 0-1 | -Sierra Vallina, Lionel (Zenosama8) | A80 Dutch Defense: Raphael Variation | Vetusta C – Ensidesa A | ronda 3 · mesa 1 |
| 24 feb 2021 | Suarez Montousse, Andres (andresmonto | Ver la partida 1-0 | -Pedreira Garcia, Nicolas (Nikedex) | D43 Semi-Slav Defense | | ronda 3 · mesa 1 |
| 24 feb 2021 | Varela Cano, Hugo (HugoChess_33) | Ver la partida 0-1 | -Lanza Garcia, Miguel Angel (mianl | B01 Scandinavian Defense: Modern Variation | | ronda 3 · mesa 1 |
| 24 feb 2021 | Martinez Lopez, Eduardo (Emlz) | Ver la partida 1-0 | -Fernandez Calvo, Martin (martin32fde | B33 Sicilian Defense: Lasker-Pelikan Variation | | ronda 3 · mesa 1 |
| 24 feb 2021 | Fernandez Artime, Jorge (Jorgefa7) | Ver la partida 0-1 | -Garcia Fernandez, Jose Antonio (janga | A43 Benoni Defense: French Benoni | | ronda 3 · mesa 1 |
| 24 feb 2021 | Antuna Pavon, Lucas (milucas2008) | Ver la partida 1-0 | -Candanedo Moral, Enrique (E_CanMora) | C44 Ponziani Opening: Jaenisch Counterattack | Antonio Rico A – Universidad de Oviedo B | ronda 3 · mesa 1 |
| 24 feb 2021 | Copena Rodriguez, Damian (Revirado) | Ver la partida 1-0 | -Fernandez Ojanguren, Pelayo (Pfo04) | B01 Scandinavian Defense: Main Line | Universidad de Oviedo A – Ciudad Naranco B | ronda 3 · mesa 1 |
| 24 feb 2021 | Martinez Ramos, Paula (caissa06) | Ver la partida 0-1 | -Alvarez Cigarria, Alfredo (Ugarte60) | E06 Catalan Opening: Closed | Universidad de Oviedo A – Ciudad Naranco B | ronda 3 · mesa 1 |
| 24 feb 2021 | Alvarez Fernandez, Jose Manuel (fdezal | Ver la partida 0-1 | -Poblet Bulnes, Sara (sarapbov43) | C50 Italian Game: Giuoco Pianissimo, Normal | | ronda 3 · mesa 1 |
| 24 feb 2021 | Caunedo Alvarez, Miguel (MikhailKhau | Ver la partida 0-1 | -Bazan Solera, Manuel (bazan55) | B07 Modern Defense: Geller's System | | ronda 3 · mesa 1 |
| 24 feb 2021 | Gutierrez Garcia, Marcos (Marcosguti7 | Ver la partida 1-0 | -Lopez Sanchez, Ivan (ivanlosa) | C10 French Defense: Rubinstein Variation, Kasparov Attack | | ronda 3 · mesa 1 |
| 24 feb 2021 | Fernandez Garcia, Julio Cesar (jcfg19 | Ver la partida 1-0 | -Mulet Durango, Carolina (CarolinaM | D02 Queen's Pawn Game: London System, with e6 | | ronda 3 · mesa 1 |
| 24 feb 2021 | Vega Garcia, Alejandro (jandro_0 | Ver la partida 1-0 | -Fernandez Fernandez, Marcos (marcosff006 | C50 Italian Game: Paris Defense | | ronda 3 · mesa 1 |
| 24 feb 2021 | Suarez Prendes, Rufino (pezapo) | Ver la partida 1-0 | -Muniz Otero, Lucas (CANTERA1) | A04 Zukertort Opening: Black Mustang Defense | Valdesva – Vetusta D | ronda 3 · mesa 1 |
| 24 feb 2021 | Arce Cano, Lucas (lac10000) | Ver la partida 0-1 | -Menendez Perez, Miguel (miguelinche | C45 Scotch Game: Potter Variation | | ronda 3 · mesa 1 |
| 24 feb 2021 | Alvarez De Diego, Eden (miperrosisto) | Ver la partida 1-0 | -Bueno Roza, Mateo (mbr2805) | C50 Italian Game: Giuoco Pianissimo | Antonio Rico B – Ciudad Naranco C | ronda 3 · mesa 1 |
| 24 feb 2021 | Maire Garcia, Xabiel (Xanielin) | Ver la partida 1-0 | -Arribas Castro, Mauro (Mauro_Gijon) | C50 Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | Antonio Rico B – Ciudad Naranco C | ronda 3 · mesa 1 |
| 24 feb 2021 | Camacho Barreiro, Iker (Capanegra2222 | Ver la partida 0-1 | -Lopez Fernandez, Marcos (MarcosLfdz) | C50 Italian Game: Giuoco Pianissimo | | ronda 3 · mesa 1 |
| 24 feb 2021 | Fernandez Trancon, David (David_Tranco | Ver la partida 0-1 | -Zapatero Montes, Pablo (madridista29 | C54 Italian Game: Classical Variation, Center Attack | | ronda 3 · mesa 1 |
| 24 feb 2021 | Gonzalez Martino, Rodrigo (Rodrigmart | Ver la partida 1-0 | -Consuegra Trapiella, Paula (Paula686) | C44 Scotch Game | | ronda 3 · mesa 1 |
| 24 feb 2021 | Martinez Hurtado, Manuel (Chiquielrey | Ver la partida 1-0 | -Durrer Estrada, Leo (Leotron98) | D00 Queen's Pawn Game: Accelerated London System | | ronda 3 · mesa 1 |
| 24 feb 2021 | Gonzalez Fernandez, Alvaro (alvaro11213 | Ver la partida 1-0 | -Villahoz Rodriguez, Carlos (Carcode) | C42 Petrov's Defense | | ronda 3 · mesa 1 |
| 24 feb 2021 | Mayoral Fernandez, Alberto (Albertomay | Ver la partida 0-1 | -Joglar Garcia, Maria (Mariia013) | B56 Sicilian Defense: Classical Variation | | ronda 3 · mesa 1 |
| 24 feb 2021 | Gorostidi Alvarez, Miguel (Tolia03) | Ver la partida 1-0 | -Garcia Peula, Aimar (aigape) | C42 Petrov's Defense: Damiano Variation | Grupo 64 – Peon Escarlata | ronda 3 · mesa 1 |
| 24 feb 2021 | Marino Bravo, Miguel Angel (Cuchu | Ver la partida 0-1 | -Delgado Ramirez, Neuris (neurisdr) | A46 Indian Defense: London System | | ronda 3 · mesa 2 |
| 24 feb 2021 | Alvarez Fernandez, Enrique (kinkaiser) | Ver la partida 0-1 | -Vinuela Diaz, Saul (SwordOfTinabi | D37 Queen's Gambit Declined: Three Knights Variation | | ronda 3 · mesa 2 |
| 24 feb 2021 | Antuna Egocheaga, Rafael Eduardo (raf | Ver la partida 1-0 | -Guerrero Olmos, Sergio (soloderisas | A03 Bird Opening: Dutch Variation | | ronda 3 · mesa 2 |
| 24 feb 2021 | Rodriguez Uria, Julio Antonio (esla | Ver la partida 1-0 | -Centron Antuna, Daniel (Dacean99) | D00 Queen's Pawn Game: Chigorin Variation, Irish Gambit | | ronda 3 · mesa 2 |
| 24 feb 2021 | Badillo Ramos, Steve (miguelanguel | Ver la partida ½-½ | -Recuero Guerra, Javier (Javirec) | C47 Four Knights Game: Scotch Variation Accepted | | ronda 3 · mesa 2 |
| 24 feb 2021 | Rodriguez Suarez, Pablo (pablors10) | Ver la partida 1-0 | -Alonso Fernandez, Gonzalo (GenioAlfa) | C21 Danish Gambit Accepted: Copenhagen Defense | Vetusta B – Ciudad Naranco A | ronda 3 · mesa 2 |
| 24 feb 2021 | Siscar Conill, Aitor (siscar2006) | Ver la partida 1-0 | -Arguelles Loy, Felix Orlando (Lain | B38 Sicilian Defense: Accelerated Dragon, Maróczy Bind | | ronda 3 · mesa 2 |
| 24 feb 2021 | Caso Huerta, Marcos (mcaso) | Ver la partida 0-1 | -Martin Fernandez, Jorge (GeorgeROVD) | B12 Caro-Kann Defense: Advance Variation | Vetusta B – Ciudad Naranco A | ronda 3 · mesa 2 |
| 24 feb 2021 | Prado Lobo, Jonas (Tsschessulov | Ver la partida 0-1 | -Alonso Alvarez, Aitor (SmaugFire) | D10 Slav Defense: Exchange Variation | | ronda 3 · mesa 2 |
| 24 feb 2021 | Gonzalez Guedes, Iyan (IyanBuho) | Ver la partida 1-0 | -Blazquez Lopez, Berna (JAVIERAGUERA | B10 Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | | ronda 3 · mesa 2 |
| 24 feb 2021 | Rodriguez Garcia, Jose Antonio (joanr | Ver la partida 0-1 | -Gonzalez Menendez, Ivan (StarkAst) | D00 Queen's Pawn Game: Accelerated London System | | ronda 3 · mesa 2 |
| 24 feb 2021 | Vergara Anton, Diego (PavlenkaWall | Ver la partida ½-½ | -Caso De Los Cobos Martinez, Guillermo Emilio (G | A48 East Indian Defense | | ronda 3 · mesa 2 |
| 24 feb 2021 | Martin Cabeza, Nicolas (aviles3jr3 | Ver la partida 0-1 | -San Claudio Gonzalez, Francisco Javier De | C50 Italian Game | | ronda 3 · mesa 2 |