Pairings of round 4
| Brd. | White | Ran. | Pts. | FIDE | Fed. | Res. | Black | Ran. | Pts. | FIDE | Fed. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Miguel Suárez Álvarez | 14 | 3.0 | 1624 | Naranco | 0-1 | Iyán González Guedes | 1 | 3.0 | 2197 | Vetusta |
| 2 | Pelayo Fernández Ojanguren | 7 | 3.0 | 1800 | Naranco | 1-0 | Álvaro Álvarez González | 5 | 3.0 | 1862 | Naranco |
| 3 | Paula Martínez Ramos | 4 | 2.5 | 1883 | Naranco | 1-0 | Mario Melón Gutiérrez | 9 | 3.0 | 1712 | Vetusta |
| 4 | Samuel García García | 2 | 2.0 | 2138 | Antonio Rico | 1-0 | Jorge Martín Fernández | 27 | 2.5 | 1456 | Vetusta |
| 5 | Alicia González Fernández | 22 | 2.0 | 1524 | Grupo 64 | 0-1 | Jesús González García | 3 | 2.0 | 1936 | Naranco |
| 6 | Javier Manuel D’Souza López | 12 | 2.0 | 1636 | Llanes | 0-1 | Alexandros Alfonso Puente | 23 | 2.0 | 1521 | Al Paso |
| 7 | JiaMing Zeng Xian | 35 | 2.0 | 0 | sf | 0-1 | Jorge Rubio Lubián | 13 | 2.0 | 1628 | Antonio Rico |
| 8 | Yann Gailliot Cuervo-Arango | 48 | 2.0 | 0 | sf | 1-0 | Vladyslav Likhoshva | 15 | 2.0 | 1609 | Universidad |
| 9 | Álvaro González Fernández | 16 | 2.0 | 1604 | Grupo 64 | 0-1 | Raul Gómez Bello | 29 | 2.0 | 1433 | Vetusta |
| 10 | Miguel García Cueva | 19 | 2.0 | 1546 | Vetusta | 0-1 | Gonzalo Alonso Fernández | 17 | 2.0 | 1573 | Vetusta |
| 11 | Javier Álvarez González | 34 | 2.0 | 0 | sf | 1-0 | Diego Coro Collín | 32 | 2.0 | 0 | sf |
| 12 | Juan Fernández Martínez | 24 | 1.5 | 1517 | Antonio Rico | 1-0 | José Manuel Cueva Escandón | 37 | 2.0 | 0 | sf |
| 13 | Alex García Soulard | 6 | 1.0 | 1857 | Universidad | 0-1 | José Oporto Martín | 25 | 1.5 | 1485 | Universidad |
| 14 | Josue Martínez Perla | 8 | 1.0 | 1721 | Universidad | 0-1 | Jorge Fernández Artime | 18 | 1.0 | 1564 | Universidad |
| 15 | Alex Gancedo Pérez | 31 | 1.0 | 0 | sf | 0-1 | Hadi Mahdipour | 10 | 1.0 | 1655 | Antonio Rico |
| 16 | Razmik Chakhoyan Grigoryan | 20 | 1.0 | 1533 | Antonio Rico | 1-0 | Miguel González Sáez-Benito | 40 | 1.0 | 0 | sf |
| 17 | Rafael Bedia Blanco | 43 | 1.0 | 0 | sf | 0-1 | Mario Mier Gómez | 21 | 1.0 | 1525 | Universidad |
| 18 | Marcos Fernández Fernández | 26 | 1.0 | 1483 | Valdesva | 1-0 | Miguel Piquero Colinas | 41 | 1.0 | 0 | sf |
| 19 | Mateo Palacio Suárez | 28 | 1.0 | 1455 | Universidad | 0-1 | Pablo González González | 42 | 1.0 | 0 | sf |
| 20 | Elmo Campoamor Cueto | 33 | 1.0 | 0 | sf | 0-1 | Alejandro Bravo Chaparro | 30 | 1.0 | 0 | sf |
| 21 | Silviu George Cociuban | 45 | 1.0 | 0 | sf | 1-0 | Jorge Novo Díaz | 36 | 0.5 | 0 | sf |
| 22 | Mateo Mencia Rodríguez | 39 | 0.5 | 0 | sf | 0-1 | Manuel Fernández Díaz | 38 | 0.0 | 0 | Universidad |
| 23 | Sofía Campo Tuero | 11 | 0.0 | 1653 | Vetusta | 1-0 | Víctor Molina del Castillo | 46 | 0.0 | 0 | sf |
| 24 | Yaiza Fei Fernández Raigoso | 47 | 0.0 | 0 | sf | 1-0 | Samuel García Tuñon | 44 | 0.0 | 0 | sf |