Pairings of round 4
| Brd. | White | Ran. | Pts. | FIDE | Fed. | Res. | Black | Ran. | Pts. | FIDE | Fed. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Gabriel Álvarez García | 4 | 3.0 | 1186 | EDM Piélagos | 0-1 | Elena Aguirre Mediavilla | 1 | 3.0 | 1307 | Círculo de Recreo |
| 2 | Neco Pelayo Calva | 2 | 3.0 | 1250 | EDM Piélagos | 0-1 | Garcia Barriomiron, Daniel | 3 | 3.0 | 1210 | EnroK2 |
| 3 | Álvaro Torre de Trasierra Gonzal | 43 | 3.0 | 0 | Torres Blancas | 0-1 | Yeray González Gómez | 41 | 2.5 | 0 | EMA Astillero |
| 4 | Eneko Escudero Solabarria | 21 | 2.0 | 0 | C. A. Santurtzi | 0-1 | Héctor Barroso Alonso | 5 | 2.0 | 1132 | EDM Piélagos |
| 5 | Nicolás Jeremías Lastra Dudagoit | 6 | 2.0 | 1115 | EDM Piélagos | 0-1 | Oskitx Miñambres Figal | 34 | 2.0 | 0 | C. A. Santurtzi |
| 6 | Gonzalo García Velazquez | 23 | 2.0 | 0 | EMA Astillero | 0-1 | Mihai Pintea | 7 | 2.0 | 1010 | EDM Piélagos |
| 7 | Adrián Peréz Mantecón | 10 | 2.0 | 0 | EMA Astillero | 0-1 | Manuel González Fernández | 27 | 2.0 | 0 | EDM Torrelavega |
| 8 | Mateo Carrión Arriba | 29 | 2.0 | 0 | EMA Astillero | ½-½ | Cristian Luca | 15 | 2.0 | 0 | Colegio Cumbres |
| 9 | Pedo M. Alonso Casas | 35 | 2.0 | 0 | Dama Blanca | 0-1 | David Leonardo Bernal Rangel | 19 | 2.0 | 0 | EMA Astillero |
| 10 | Markel Barreras Miranda | 28 | 1.5 | 0 | C. A. Santurtzi | 1-0 | Rodrigo Álvarez Moreno | 39 | 2.0 | 0 | EMA Camargo |
| 11 | Adriano Fernández Izquierdo | 8 | 1.5 | 0 | Gambito | 1-0 | Carlos Zuazo | 13 | 1.0 | 0 | EMA Astillero |
| 12 | Alexander Jimeno Da Silva | 11 | 1.0 | 0 | EMA Astillero | 1-0 | Jose Antonio Martín | 26 | 1.0 | 0 | EMA Astillero |
| 13 | Miguel Zuazo | 30 | 1.0 | 0 | EMA Astillero | 1-0 | César Quintana Revilla | 17 | 1.0 | 0 | Gambito |
| 14 | Daniel Guáman Yaguna | 18 | 1.0 | 0 | Regatas | 1-0 | Mikel Santamaría Gómez | 31 | 1.0 | 0 | C. A. Santurtzi |
| 15 | Diego Hoyuela | 20 | 1.0 | 0 | EMA Astillero | 1-0 | Noe Perez García | 33 | 1.0 | 0 | Camargo |
| 16 | Enzo Sanguinet | 22 | 1.0 | 0 | EMA Astillero | 0-1 | Yeray Pocero Palmero | 42 | 1.0 | 0 | Nº Sra. Latas |
| 17 | Raul Gonzalez Gonzalez | 36 | 1.0 | 0 | Dama Blanca | 1-0 | Adrián López Fernández | 9 | 0.5 | 0 | EMA Astillero |
| 18 | Naomi Portilla Hernández | 32 | 0.0 | 0 | IES La Granja | 0-1 | Celia Maceda Montero | 14 | 0.0 | 0 | EMA Castro Urdiales |
| 19 | Imanol Echevarría Encabo | 24 | 0.0 | 0 | EMA Astillero | 0-1 | Victor Cimiano Martínez | 40 | 0.0 | 0 | EMA Astillero |
| 20 | Alexander Sarmiento Delgado | 12 | 0.0 | 0 | Sagrada Familia | 0 | |||||
| 21 | César Gutiérrez Alonso | 16 | 0.0 | 0 | Sagrada Familia | 0 | |||||
| 22 | Javier Gallego Mejía | 25 | 0.0 | 0 | C. A. Santurtzi | 0 | |||||
| 23 | Raul Goznalez Gonzalez | 37 | 0.0 | 0 | Dama Blanca | 0 | |||||
| 24 | Roberto Rodríguez Remon | 38 | 0.0 | 0 | Sagrada Familia | 0 | |||||