Emparejamiento de la ronda 4 el 2021-10-16 a las 16:15
| M. | Blancas | Ran. | Pts. | FIDE | Fed. | Res. | Negras | Ran. | Pts. | FIDE | Fed. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Cernadas Camean, David | 7 | 3,0 | 1499 | ESP | 1-0 | Diniz Lopez, Sergio | 11 | 2,5 | 1259 | ESP |
| 2 | Bouza Santiso, Roque | 5 | 2,5 | 1614 | ESP | 1-0 | Longueira Alonso, Breixo | 16 | 2,5 | 1115 | ESP |
| 3 | Molina Cabaleiro, Juan Jose | 3 | 2,5 | 1761 | ESP | 0-1 | Caneiro Couto, Juan Manuel | 2 | 2,0 | 1909 | ESP |
| 4 | Picos Maiztegui, Miguel | 1 | 2,0 | 2052 | ESP | 0-1 | Garcia Mato, Jose Antonio | 19 | 2,0 | 0 | ESP |
| 5 | Prieto Sanchez, Miguel | 14 | 2,0 | 1149 | ESP | 1-0 | Arias Perez, Rodrigo | 6 | 2,0 | 1513 | ESP |
| 6 | Barcia Vazquez, Santiago | 9 | 1,0 | 1276 | ESP | 0-1 | Gonzalez Barrigon, Cesar | 4 | 1,0 | 1732 | ESP |
| 7 | Casares Pedride, Noel | 12 | 1,0 | 1216 | ESP | 1-0 | Tuimil Martinez, Ricardo | 8 | 1,0 | 1472 | ESP |
| 8 | Casares Pedride, Unai | 18 | 1,0 | 0 | ESP | 0-1 | Santome Rodriguez-Salas, Luis Ma | 10 | 1,0 | 1267 | ESP |
| 9 | Ciuffi Bompeza, Tito Franco | 13 | 0,0 | 1164 | ESP | 0-1 | Lopez Freiria, Noa | 17 | 1,0 | 1063 | ESP |
| 10 | Rios Alonso, Pablo | 20 | 0,0 | 0 | ESP | 0-1 | Seijas Lago, Manuel | 15 | 0,0 | 1129 | ESP |