Emparejamiento de la ronda 4 el 2021-09-25 a las 16:30
| M. | Blancas | Ran. | Pts. | FIDE | Fed. | Res. | Negras | Ran. | Pts. | FIDE | Fed. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Garcia Martin, Juan Manuel | 3 | 2,5 | 1613 | ESP | 0-1 | Varela Peteira, David | 2 | 3,0 | 1835 | ESP |
| 2 | Tuimil Martinez, Ricardo | 5 | 2,0 | 1486 | ESP | 0-1 | Moscoso Rivas, Adolfo Antonio | 4 | 2,5 | 1491 | ESP |
| 3 | Alayza Serra, Juan Sebastian | 7 | 2,0 | 1278 | PER | ½-½ | Rodriguez Rey, Juan Vicente | 6 | 2,0 | 1398 | ESP |
| 4 | Caneiro Couto, Juan Manuel | 1 | 2,0 | 1963 | ESP | 1-0 | Seijas Lago, Manuel | 10 | 1,0 | 1129 | ESP |
| 5 | Santome Rodriguez-Salas, Luis Ma | 8 | 1,0 | 1267 | ESP | 1-0 | Gonzalez Valiente, David | 13 | 1,0 | 0 | ESP |
| 6 | Ciuffi Bompeza, Tito Franco | 9 | 1,0 | 1134 | ESP | 1-0 | Rios Alonso, Pablo | 14 | 1,0 | 0 | ESP |
| 7 | Arzua Mesia, Martin | 12 | 0,0 | 0 | ESP | 0-1 | Sagradov Sahakyan, Alexander | 11 | 0,0 | 1023 | ESP |