| M. | No. | | White | Elo | Pts. | Resultado | Pts. | | Black | Elo | No. |
|---|
| 1 | 14 | | Mendez Moreno Kevin Alberto | 1376 | 1 | 0 - 1 | 1 | | Marin Masis Jose Esteban | 1737 | 1 |
| 2 | 15 | | Murillo Gonzalez David | 1422 | 1 | 0 - 1 | 1 | | Solano Saltachin Carlos Andre | 1650 | 3 |
| 3 | 17 | | Ballestero Araya Humberto | 1638 | 1 | 0 - 1 | 1 | | Ramirez Madrid Gerardo Alfons | 1668 | 5 |
| 4 | 18 | | Nunez Castro Max Alejandro | 1319 | 1 | 0 - 1 | 1 | | Marin Leon Valeria | 1474 | 7 |
| 5 | 8 | | Rosales Gonzalez Erick Josue | 1449 | 1 | ½ - ½ | 1 | | Bonilla Ortiz Johel Sebastian | 1354 | 21 |
| 6 | 33 | | Elizondo Montero Juan Luis | 1419 | 1 | ½ - ½ | 1 | | Torres Romero Cristhian | 1518 | 9 |
| 7 | 10 | | Cedeno Caceres Stif | 1446 | 1 | 1 - 0 | 1 | | Rosales Gonzalez Jessica | 1400 | 37 |
| 8 | 16 | | Del Castillo Valle Adan | 1334 | 1 | ½ - ½ | 1 | | Zeledon Perez Edgar | 1436 | 11 |
| 9 | 4 | | Bonilla Morales Bryan | 1480 | ½ | 0 - 1 | ½ | | Wagemans Alvarado Bryan | 1638 | 26 |
| 10 | 6 | | Quesada Salcedo Jacobo | 1632 | ½ | 1 - 0 | ½ | | Brenes Morales Manuel | 1581 | 22 |
| 11 | 13 | | Jimenez Salas Kristel | 1232 | ½ | ½ - ½ | ½ | | Porras Chavarria Pamela Maria | 1577 | 24 |
| 12 | 2 | | Rivera Gonzalez Jose Alexis | 1776 | 0 | 1 - 0 | 0 | | Gutierrez Arbaiza Jordan | 1498 | 28 |
| 13 | 29 | | Ruiz Coronado Maykel | 1337 | 0 | ½ - ½ | 0 | | Orozco Centeno Melissa | 1346 | 12 |
| 14 | 19 | | Angulo Hernandez Maria Jesus | 1608 | 0 | 1 - 0 | 0 | | Gutierrez Arbaiza Ronny | 1491 | 30 |
| 15 | 20 | | Alvarado Villalobos Juan Pabl | 1395 | 0 | 0 - 1 | 0 | | Sierra Berrocal Gabriela | 1468 | 31 |
| 16 | 23 | | Duran Venegas Oscar Alonso | 1578 | 0 | 1 - 0 | 0 | | Quiros Acuna Nicole | 1430 | 32 |
| 17 | 25 | | Alfaro Leon Allison | 1567 | 0 | 1 - 0 | 0 | | Monge Avalos Bryan Antony | 1400 | 34 |
| 18 | 27 | | Gonzalez Cascante Roy | 1272 | 0 | 1 - 0 | 0 | | Orellana Morales Bryan Josue | 1400 | 35 |
| 19 | 36 | | Parra Mora Gabriel | 1400 | 0 | 1 | | | bye | | |