| 28 ago 2019 | Ramos Santana, Marcelino 1834 | Ver la partida ½-½ | Damaso Tacoronte, Carolina 1797 | B23 Sicilian Defense: Closed | ronda 4 · mesa 1 |
| 28 ago 2019 | Dominguez Santos, Angel Manuel 1718 | Ver la partida 0-1 | Rodriguez Melian, Jose Luis 2090 | C21 Center Game: von der Lasa Gambit | ronda 4 · mesa 2 |
| 28 ago 2019 | Moreno Diepa, Diego 1657 | Ver la partida ½-½ | Rodriguez Fernandez, Cristian A. 1973 | B22 Sicilian Defense: Alapin Variation, Smith-Morra Declined | ronda 4 · mesa 3 |
| 28 ago 2019 | Campos de la Nuez, Eduardo 1441 | Ver la partida 1-0 | Suarez Rodriguez, Doramas 1631 | C01 French Defense: Exchange Variation | ronda 4 · mesa 4 |
| 28 ago 2019 | Hernandez Hernandez, Luis Felix 1526 | Ver la partida 1-0 | Ojeda Hernandez, Jose Miguel 1387 | C45 Scotch Game | ronda 4 · mesa 5 |
| 28 ago 2019 | Besana Ramirez, Ancor 1481 | Ver la partida 1-0 | Del Toro Gonzalez, Bernardo | C42 Petrov's Defense: Three Knights Game | ronda 4 · mesa 6 |
| 28 ago 2019 | Ramirez Garcia, Simeon Tomas | Ver la partida ½-½ | Aleman Sosa, Braulio 1466 | D20 Queen's Gambit Accepted | ronda 4 · mesa 7 |
| 28 ago 2019 | Damaso Gonzalez, Gara | Ver la partida 0-1 | Sosa Sosa, Jose Manuel 1523 | B21 Sicilian Defense: Smith-Morra Gambit | ronda 4 · mesa 8 |
| 28 ago 2019 | Bulteel, Clara | Ver la partida 0-1 | Damaso Guerra, Lucia | C50 Italian Game: Giuoco Piano | ronda 4 · mesa 9 |
| 28 ago 2019 | Del Toro Herrera, Facundo | Ver la partida 1-0 | Del Toro Jimenez, Guayasen | D07 Queen's Gambit Declined: Chigorin Defense, Lazard Gambit | ronda 4 · mesa 10 |
| 28 ago 2019 | Llarena Rosario, Juan Antonio | Ver la partida 0-1 | Rodriguez Muela, Juan Argelio 1550 | C00 French Defense | ronda 4 · mesa 11 |
| 28 ago 2019 | Damaso Guerra, Sergio | Ver la partida 0-1 | Moreno Sanchez, Jose Gabriel | B33 Sicilian Defense: Open | ronda 4 · mesa 12 |
| 28 ago 2019 | Espino Jimenez, Alberto | Ver la partida 1-0 | Talavera Sagrera, Jesus | C44 Scotch Game | ronda 4 · mesa 13 |
| 28 ago 2019 | Ojeda Herrera, Juan Reyes | Ver la partida 1-0 | Jimenez Velazquez, Eulogio | A40 English Defense | ronda 4 · mesa 14 |
| 28 ago 2019 | Navarro Mayor, Iker | Ver la partida 0-1 | Del Toro Diaz, Guayacen | C20 King's Pawn Game | ronda 4 · mesa 15 |
| 28 ago 2019 | Medina Torres, Eric | Ver la partida 0-1 | Bulteel, Charlotte | C20 King's Pawn Game: Leonardis Variation | ronda 4 · mesa 16 |