| 10 mar 2021 | Gonzalez Guedes, Iyan (IyanBuho) | Ver la partida 0-1 | -Vinuela Diaz, Saul (SwordOfTinabi | B50 Sicilian Defense: Delayed Alapin Variation, with d6 | | ronda 5 · mesa 1 |
| 10 mar 2021 | Vinuela Diaz, Saul (SwordOfTinabi | Ver la partida 0-1 | -Gonzalez Guedes, Iyan (IyanBuho) | A45 Indian Defense: Accelerated London System | | ronda 5 · mesa 2 |
| 10 mar 2021 | Delgado Ramirez, Neuris (neurisdr) | Ver la partida 1-0 | -Sanchez Vergara, Alberto (albertsanc | B50 Sicilian Defense: Modern Variations | | ronda 5 · mesa 3 |
| 10 mar 2021 | Sanchez Vergara, Alberto (albertsanc | Ver la partida 0-1 | -Delgado Ramirez, Neuris (neurisdr) | B60 Sicilian Defense: Richter-Rauzer Variation | | ronda 5 · mesa 4 |
| 10 mar 2021 | Prado Lobo, Jonas (Tsschessulov | Ver la partida 0-1 | -Badillo Ramos, Steve (miguelanguel | D02 Queen's Pawn Game: London System | | ronda 5 · mesa 5 |
| 10 mar 2021 | Badillo Ramos, Steve (miguelanguel | Ver la partida 0-1 | -Prado Lobo, Jonas (Tsschessulov | B06 Modern Defense: Standard Line | | ronda 5 · mesa 6 |
| 10 mar 2021 | Hellinga Damstra, Martien (asturfriso | Ver la partida 1-0 | -Martin Cabeza, Nicolas (aviles3jr3 | B98 Sicilian Defense: Najdorf Variation | | ronda 5 · mesa 7 |
| 10 mar 2021 | Martin Cabeza, Nicolas (aviles3jr3 | Ver la partida 0-1 | -Hellinga Damstra, Martien (asturfriso | B22 Sicilian Defense: Alapin Variation, Smith-Morra Declined | | ronda 5 · mesa 8 |
| 10 mar 2021 | Suarez Alvarez, Miguel (Miguel_Suar | Ver la partida 0-1 | -San Claudio Gonzalez, Francisco Javier De | D78 Neo-Grünfeld Defense: Classical Variation, Original Defense | | ronda 5 · mesa 9 |
| 10 mar 2021 | San Claudio Gonzalez, Francisco Javier De | Ver la partida 1-0 | -Suarez Alvarez, Miguel (Miguel_Suar | B24 Sicilian Defense: Closed, Fianchetto Variation | | ronda 5 · mesa 10 |
| 10 mar 2021 | Martinez Lopez, Eduardo (Emlz) | Ver la partida ½-½ | -Copena Rodriguez, Damian (Revirado) | B33 Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | Antonio Rico A – Universidad de Oviedo A | ronda 5 · mesa 11 |
| 10 mar 2021 | Copena Rodriguez, Damian (Revirado) | Ver la partida ½-½ | -Martinez Lopez, Eduardo (Emlz) | C01 French Defense: Exchange Variation | Antonio Rico A – Universidad de Oviedo A | ronda 5 · mesa 12 |
| 10 mar 2021 | Joglar Garcia, Maria (Mariia013) | Ver la partida 1-0 | -Lopez Fernandez, Marcos (MarcosLfdz) | A40 Horwitz Defense | Grupo 64 – Antonio Rico C | ronda 5 · mesa 13 |
| 10 mar 2021 | Lopez Fernandez, Marcos (MarcosLfdz) | Ver la partida 1-0 | -Joglar Garcia, Maria (Mariia013) | B22 Sicilian Defense: Alapin Variation | Grupo 64 – Antonio Rico C | ronda 5 · mesa 14 |
| 10 mar 2021 | Rodriguez San Jose, Daniel (DANIEL_CABA | Ver la partida 0-1 | -Ordiz Fernandez, Roque (Roque2011) | A05 King's Indian Attack: Symmetrical Defense | | ronda 5 · mesa 15 |
| 10 mar 2021 | Ordiz Fernandez, Roque (Roque2011) | Ver la partida 1-0 | -Rodriguez San Jose, Daniel (DANIEL_CABA | C50 Italian Game: Giuoco Piano | | ronda 5 · mesa 16 |
| 10 mar 2021 | Fernandez Perez, Samuel (DNC1314) | Ver la partida 0-1 | -Lopez Sanchez, Ivan (ivanlosa) | C01 French Defense: Exchange Variation | Universidad de Oviedo B – Vetusta D | ronda 5 · mesa 17 |
| 10 mar 2021 | Lopez Sanchez, Ivan (ivanlosa) | Ver la partida 1-0 | -Fernandez Perez, Samuel (DNC1314) | D31 Queen's Gambit Declined: Queen's Knight Variation | Universidad de Oviedo B – Vetusta D | ronda 5 · mesa 18 |
| 10 mar 2021 | Menendez Perez, Miguel (miguelinche | Ver la partida 1-0 | -Corrales Fernandez, Raul (Raulcf28) | C56 Italian Game: Scotch Invitation Declined | | ronda 5 · mesa 19 |
| 10 mar 2021 | Corrales Fernandez, Raul (Raulcf28) | Ver la partida 0-1 | -Menendez Perez, Miguel (miguelinche | A45 Indian Defense | | ronda 5 · mesa 20 |
| 10 mar 2021 | Gonzalez Menendez, Ivan (StarkAst) | Ver la partida 1-0 | -Marino Bravo, Miguel Angel (Cuchu | B35 Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | | ronda 5 · mesa 21 |
| 10 mar 2021 | Marino Bravo, Miguel Angel (Cuchu | Ver la partida 0-1 | -Gonzalez Menendez, Ivan (StarkAst) | D00 Queen's Pawn Game: Accelerated London System | | ronda 5 · mesa 22 |
| 10 mar 2021 | Alvarez Fernandez, Enrique (kinkaiser) | Ver la partida 1-0 | -Recuero Guerra, Javier (Javirec) | A48 London System | Gijon 64 – Ciudad Naranco A | ronda 5 · mesa 23 |
| 10 mar 2021 | Recuero Guerra, Javier (Javirec) | Ver la partida 0-1 | -Alvarez Fernandez, Enrique (kinkaiser) | B90 Sicilian Defense: Najdorf Variation, English Attack | Gijon 64 – Ciudad Naranco A | ronda 5 · mesa 24 |
| 10 mar 2021 | Alonso Fernandez, Gonzalo (GenioAlfa) | Ver la partida 1-0 | -Blazquez Lopez, Berna (JAVIERAGUERA | B18 Caro-Kann Defense: Classical Variation, Main Line | | ronda 5 · mesa 25 |
| 10 mar 2021 | Blazquez Lopez, Berna (JAVIERAGUERA | Ver la partida 1-0 | -Alonso Fernandez, Gonzalo (GenioAlfa) | D46 Semi-Slav Defense: Chigorin Defense | | ronda 5 · mesa 26 |
| 10 mar 2021 | Gonzalez Gonzalez, Javier (Jgg2010) | Ver la partida 0-1 | -Gutierrez Garcia, Marcos (Marcosguti7 | D77 Neo-Grünfeld Defense: Classical Variation | | ronda 5 · mesa 27 |
| 10 mar 2021 | Gutierrez Garcia, Marcos (Marcosguti7 | Ver la partida 1-0 | -Gonzalez Gonzalez, Javier (Jgg2010) | B22 Sicilian Defense: Alapin Variation, Barmen Defense | | ronda 5 · mesa 28 |
| 10 mar 2021 | Gonzalez Garcia, Jesus (chuxjanter) | Ver la partida 0-1 | -Sierra Vallina, Lionel (Zenosama8) | B90 Sicilian Defense: Najdorf Variation, English Attack | Ciudad Naranco B – Ensidesa A | ronda 5 · mesa 29 |
| 10 mar 2021 | Sierra Vallina, Lionel (Zenosama8) | Ver la partida 1-0 | -Gonzalez Garcia, Jesus (chuxjanter) | A20 English Opening: King's English Variation | Ciudad Naranco B – Ensidesa A | ronda 5 · mesa 30 |
| 10 mar 2021 | Garcia Fernandez, Jose Antonio (janga | Ver la partida 1-0 | -Alvarez Cigarria, Alfredo (Ugarte60) | A45 Indian Defense: Tartakower Attack | | ronda 5 · mesa 31 |
| 10 mar 2021 | Alvarez Cigarria, Alfredo (Ugarte60) | Ver la partida 0-1 | -Garcia Fernandez, Jose Antonio (janga | D10 Slav Defense: Exchange Variation | | ronda 5 · mesa 32 |
| 10 mar 2021 | Gonzalez Fernandez, Alvaro (alvaro11213 | Ver la partida 1-0 | -Fernandez Trancon, David (David_Tranco | B10 Caro-Kann Defense | | ronda 5 · mesa 33 |
| 10 mar 2021 | Fernandez Trancon, David (David_Tranco | Ver la partida 0-1 | -Gonzalez Fernandez, Alvaro (alvaro11213 | A80 Dutch Defense | | ronda 5 · mesa 34 |
| 10 mar 2021 | Alvarez Mesa, Angel (cnlang64) | Ver la partida 0-1 | -Alvarez Sanchez, Mauro (Maurocraft) | B27 Sicilian Defense: Hyperaccelerated Dragon | Ciudad Naranco C – Ensidesa B | ronda 5 · mesa 35 |
| 10 mar 2021 | Alvarez Sanchez, Mauro (Maurocraft) | Ver la partida ½-½ | -Alvarez Mesa, Angel (cnlang64) | B02 Alekhine Defense: Normal Variation | Ciudad Naranco C – Ensidesa B | ronda 5 · mesa 36 |
| 10 mar 2021 | Hevia Pena, Javier (Sormartinez | Ver la partida 0-1 | -Fernandez Calvo, Martin (martin32fde | D70 Neo-Grünfeld Defense: Goglidze Attack | | ronda 5 · mesa 37 |
| 10 mar 2021 | Fernandez Calvo, Martin (martin32fde | Ver la partida 1-0 | -Hevia Pena, Javier (Sormartinez | D02 Queen's Pawn Game: London System, with e6 | | ronda 5 · mesa 38 |
| 10 mar 2021 | Alvarez De Diego, Eden (miperrosisto) | Ver la partida 1-0 | -Escobio Vivas, Martin (Martinku_Es | C53 Italian Game: Classical Variation | | ronda 5 · mesa 39 |
| 10 mar 2021 | Escobio Vivas, Martin (Martinku_Es | Ver la partida 0-1 | -Alvarez De Diego, Eden (miperrosisto) | C27 Vienna Game: Frankenstein-Dracula Variation | | ronda 5 · mesa 40 |
| 10 mar 2021 | Centron Antuna, Daniel (Dacean99) | Ver la partida ½-½ | -Vergara Anton, Diego (PavlenkaWall | C00 French Defense: Chigorin Variation | | ronda 5 · mesa 41 |
| 10 mar 2021 | Vergara Anton, Diego (PavlenkaWall | Ver la partida 1-0 | -Centron Antuna, Daniel (Dacean99) | A43 Benoni Defense: Benoni-Indian Defense | | ronda 5 · mesa 42 |
| 10 mar 2021 | Guerrero Olmos, Sergio (soloderisas | Ver la partida 1-0 | -Cascudo Pueyo, Ignacio (icasc) | D02 Queen's Pawn Game: London System | | ronda 5 · mesa 43 |
| 10 mar 2021 | Cascudo Pueyo, Ignacio (icasc) | Ver la partida ½-½ | -Guerrero Olmos, Sergio (soloderisas | C18 French Defense: Winawer Variation, Portisch-Hook Variation | | ronda 5 · mesa 44 |
| 10 mar 2021 | Martinez Otero, Carlos (omc40) | Ver la partida 1-0 | -Rodriguez Garcia, Jose Antonio (joanr | D30 Queen's Gambit Declined | | ronda 5 · mesa 45 |
| 10 mar 2021 | Rodriguez Garcia, Jose Antonio (joanr | Ver la partida 0-1 | -Martinez Otero, Carlos (omc40) | D85 Grünfeld Defense: Exchange Variation | | ronda 5 · mesa 46 |
| 10 mar 2021 | Garcia Perez, Alberto (chepo91) | Ver la partida 0-1 | -Pedreira Garcia, Nicolas (Nikedex) | C02 French Defense: Advance Variation, Main Line | Valdesva – Vetusta C | ronda 5 · mesa 47 |
| 10 mar 2021 | Pedreira Garcia, Nicolas (Nikedex) | Ver la partida 0-1 | -Garcia Perez, Alberto (chepo91) | E76 King's Indian Defense: Four Pawns Attack, Dynamic Attack | Valdesva – Vetusta C | ronda 5 · mesa 48 |
| 10 mar 2021 | Suarez Montousse, Andres (andresmonto | Ver la partida 1-0 | -Gonzalez Balbuena, Miguel (Balbuena090 | D02 Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | | ronda 5 · mesa 49 |
| 10 mar 2021 | Gonzalez Balbuena, Miguel (Balbuena090 | Ver la partida 0-1 | -Suarez Montousse, Andres (andresmonto | B06 Modern Defense | | ronda 5 · mesa 50 |