Pairings of round 4
| Brd. | White | Ran. | Pts. | FIDE | Fed. | Res. | Black | Ran. | Pts. | FIDE | Fed. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ferreira,Hugo Miguel Da Costa | 10 | 3.0 | 2078 | POR | ½-½ | Ryabukhin,Roman | 5 | 3.0 | 2157 | POR |
| 2 | Saine,Zachary | 8 | 3.0 | 2091 | CAN | 1-0 | FM Kazarian,Anna-Maja | 9 | 3.0 | 2083 | NED |
| 3 | IM Kavutskiy,Konstantin | 3 | 2.5 | 2283 | USA | 1-0 | FM Ternault,Mathieu | 4 | 2.5 | 2188 | FRA |
| 4 | GM Fier,Alexandr | 1 | 2.0 | 2576 | BRA | 1-0 | WIM De Seroux,Camille | 11 | 2.5 | 2075 | SUI |
| 5 | GM Bellon Lopez,Juan Manuel | 2 | 2.0 | 2306 | SWE | 1-0 | WCM Palao,Adriana | 17 | 2.0 | 1903 | PER |
| 6 | WFM Santeramo,Alessia Carmen | 6 | 2.0 | 2120 | ITA | 1-0 | Diaz Garcia,Pilar | 19 | 2.0 | 1881 | ESP |
| 7 | WCM Prado,Alexandra | 22 | 2.0 | 1829 | BOL | 0-1 | Ribeiro,Rodrigo | 7 | 2.0 | 2099 | POR |
| 8 | WFM Cramling Bellon,Anna | 12 | 2.0 | 1985 | SWE | 1-0 | Cardoso,Antonio Da Costa | 30 | 2.0 | 1711 | POR |
| 9 | WIM February,Jesse Nikki | 18 | 2.0 | 1881 | RSA | 1-0 | Yifan,Jiang | 13 | 2.0 | 1979 | CHN |
| 10 | Amaral,Vera | 42 | 2.0 | 1497 | POR | 0-1 | Ryabukhina,Veronika | 15 | 2.0 | 1972 | POR |
| 11 | Guernieri,Luca | 14 | 1.5 | 1972 | ITA | ½-½ | Costa,Gil | 39 | 1.5 | 1540 | POR |
| 12 | Dionisio,Joao | 27 | 1.5 | 1760 | POR | 0-1 | Vinci,Salvatore Mattia | 26 | 1.5 | 1761 | ITA |
| 13 | Toniolo,Samuel | 16 | 1.0 | 1935 | ITA | 1-0 | Kolyvanov,Klim | 44 | 1.5 | 0 | FID |
| 14 | Shadrina,Eva | 29 | 1.0 | 1731 | EST | 0-1 | Rossi,Gabriele Valerio | 20 | 1.0 | 1866 | ITA |
| 15 | Clerici,Diego | 23 | 1.0 | 1800 | ITA | 1-0 | Ingletti,Ivan | 36 | 1.0 | 1593 | ITA |
| 16 | Scarlato,Luigi | 25 | 1.0 | 1766 | ITA | 0-1 | Silva,Gabriel F M B | 41 | 1.0 | 1507 | POR |
| 17 | Bulva,Maksim | 33 | 1.0 | 1680 | POL | 0-1 | Gago,Daniel | 28 | 1.0 | 1731 | POR |
| 18 | Guarnaccia,Alessandro | 34 | 1.0 | 1676 | ITA | 1-0 | Coutinho,Felipe C. Moreira R. | 43 | 0.5 | 0 | BRA |
| 19 | Vinci,Francesco | 40 | 0.5 | 1538 | ITA | 0-1 | Zhang,Xin An | 24 | 0.5 | 1773 | HKG |
| 20 | Pontiroli,Luca | 31 | 0.5 | 1695 | ITA | 0-1 | WCM Roberts,Tallulah | 32 | 0.5 | 1680 | JCI |
| 21 | Marques,Paulo Miguel | 37 | 0.5 | 1562 | POR | 1-0 | Botelho,Adelino | 35 | 0.0 | 1628 | POR |
| 22 | Torres,Nelson Diogo Cibrao | 45 | 0.0 | 0 | POR | 0-1 | Cruz,Joao (2011) | 38 | 0.0 | 1542 | POR |
| 23 | Lukyaniuk,Mikhail | 21 | 0.0 | 1860 | BLR | 0 | |||||