| Nunez Okudo Isao 1677 CRC Rp:1742 |
| Rd. | SNo | | Name | Rtg | FED | Pts. | Res. | Bo. |
| 1 | 89 | | Ramos Rodriguez Daniel | 1405 | CRC | 2 | s 1 | 1 |
| 3 | 51 | | Duran Venegas Oscar Alonso | 1544 | CRC | 5 | s 1 | 1 |
| 4 | 73 | | Vargas Abadia Alejandro | 1400 | CRC | 1 | w 1 | 1 |
| 5 | 63 | | Castro Garcia Alejandro | 1832 | CRC | 5 | s 1 | 1 |
| 6 | 45 | CM | Coto Bonilla Darian | 1782 | CRC | 4 | s 0 | 1 |
| 7 | 5 | | Rosales Gonzalez Erick Josue | 1736 | CRC | 6 | w 0 | 1 |
| Guevara Cornejo Gabriel 1677 CRC Rp:1682 |
| Rd. | SNo | | Name | Rtg | FED | Pts. | Res. | Bo. |
| 1 | 91 | | Flores Delgado Esteban | 1400 | CRC | 2 | w 1 | 2 |
| 2 | 1 | | Shih Gould Danny | 1877 | CRC | 5,5 | w 1 | 1 |
| 3 | 52 | | Guzman Hidalgo Camila | 1471 | CRC | 1 | w 1 | 2 |
| 5 | 64 | | Soto Alfaro Braulio | 1688 | CRC | 5 | w 0 | 2 |
| 6 | 46 | | Guzman Hidalgo Nicolas | 1615 | CRC | 6,5 | w 0 | 2 |
| 7 | 6 | | Ruiz Victor | 1400 | CRC | 1,5 | - 1K | 2 |
| Rosenstock Gelber Samuel 1549 CRC Rp:1605 |
| Rd. | SNo | | Name | Rtg | FED | Pts. | Res. | Bo. |
| 1 | 92 | | Nunez Okubo Emy | 1400 | CRC | 1,5 | s 1 | 3 |
| 4 | 74 | | Barboza Viquez Martin Eduardo | 1400 | CRC | 3 | s 1 | 2 |
| 5 | 65 | | Ramirez Marchena Carlos Andre | 1639 | CRC | 6 | s 0 | 3 |
| 7 | 9 | | Rosales Jesica | 1400 | CRC | 2 | - 0K | 3 |
| Solano Saltachin Javier 1644 CRC Rp:1633 |
| Rd. | SNo | | Name | Rtg | FED | Pts. | Res. | Bo. |
| 2 | 4 | | Cedeno Caceres Stif | 1737 | CRC | 5 | s 0 | 2 |
| 3 | 53 | | Arias Walker Alexa Nicole | 1400 | CRC | 3 | s 1 | 3 |
| 4 | 75 | | Semana Ramirez Jerian | 1400 | CRC | 4 | w 1 | 3 |
| 6 | 47 | | Espitia Torres Mateo | 1669 | CRC | 6 | s 0 | 3 |
| 7 | 10 | | Pineda Emmanuel | 1600 | CRC | 1 | s 1 | 4 |
| Gomez Rivera Felipe 1550 CRC Rp:1608 |
| Rd. | SNo | | Name | Rtg | FED | Pts. | Res. | Bo. |
| 2 | 2 | | Coto Calderon Juan Diego | 1730 | CRC | 6 | w 0 | 3 |
| 3 | 54 | | Paizano Potoy Alvaro Steven | 1400 | CRC | 0 | w 1 | 4 |
| 4 | 78 | | Frajman Kierszenson Lior | 1400 | CRC | 2 | s 1 | 4 |
| 5 | 66 | | Brenes Morales Manuel | 1552 | CRC | 3 | w 1 | 4 |
| 6 | 48 | | Bonilla Ortiz Johel Sebastian | 1599 | CRC | 2,5 | w 0 | 4 |
| Rodriguez Duarte Johans 1400 CRC Rp:0 |
| Rd. | SNo | | Name | Rtg | FED | Pts. | Res. | Bo. |
| 1 | 93 | | Salazar Mora Jimena | 1400 | CRC | 0 | w 1 | 4 |
| 2 | 3 | | Shih Gould Annie | 1867 | CRC | 4,5 | s 0 | 4 |
| Round 1 on 2015/10/24 at 09:30 |
| Bo. | 13 | Goico-Chess Academy F Infantil | Rtg | - | 4 | Goico-Chess Academy B Infantil | Rtg | 0 : 4 |
| 4.1 | | | 1405 | - | | | 1677 | 0 - 1 |
| 4.2 | | | 1400 | - | | | 1677 | 0 - 1 |
| 4.3 | | | 1400 | - | | | 1549 | 0 - 1 |
| 4.4 | | | 1400 | - | | | 1400 | 0 - 1 |
| Round 2 on 2015/10/24 at 14:30 |
| Bo. | 4 | Goico-Chess Academy B Infantil | Rtg | - | 1 | ESCACS | Rtg | 1 : 3 |
| 1.1 | | | 1677 | - | | | 1877 | 1 - 0 |
| 1.2 | | | 1644 | - | | | 1737 | 0 - 1 |
| 1.3 | | | 1550 | - | | | 1730 | 0 - 1 |
| 1.4 | | | 1400 | - | | | 1867 | 0 - 1 |
| Round 3 on 2015/10/25 at 09:30 |
| Bo. | 7 | CCDR Escazu B | Rtg | - | 4 | Goico-Chess Academy B Infantil | Rtg | 0 : 4 |
| 3.1 | | | Duran Venegas Oscar Alonso |
| 1544 | - | | | 1677 | 0 - 1 |
| 3.2 | | | 1471 | - | | | 1677 | 0 - 1 |
| 3.3 | | | Arias Walker Alexa Nicole |
| 1400 | - | | | 1644 | 0 - 1 |
| 3.4 | | | Paizano Potoy Alvaro Steven |
| 1400 | - | | | 1550 | 0 - 1 |
| Round 4 on 2015/10/25 at 14:30 |
| Bo. | 4 | Goico-Chess Academy B Infantil | Rtg | - | 9 | Goico-Chess Academy C Infantil | Rtg | 4 : 0 |
| 3.1 | | | 1677 | - | | | 1400 | 1 - 0 |
| 3.2 | | | 1549 | - | | | Barboza Viquez Martin Eduardo |
| 1400 | 1 - 0 |
| 3.3 | | | 1644 | - | | | 1400 | 1 - 0 |
| 3.4 | | | 1550 | - | | | 1400 | 1 - 0 |
| Round 5 on 2015/10/31 at 09:30 |
| Bo. | 2 | Goico-Chess Academy A Infantil | Rtg | - | 4 | Goico-Chess Academy B Infantil | Rtg | 2 : 2 |
| 2.1 | | | 1832 | - | | | 1677 | 0 - 1 |
| 2.2 | | | 1688 | - | | | 1677 | 1 - 0 |
| 2.3 | | | Ramirez Marchena Carlos Andre |
| 1639 | - | | | 1549 | 1 - 0 |
| 2.4 | | | 1552 | - | | | 1550 | 0 - 1 |
| Round 6 on 2015/10/31 at 14:30 |
| Bo. | 3 | CCDR Escazu A | Rtg | - | 4 | Goico-Chess Academy B Infantil | Rtg | 4 : 0 |
| 1.1 | CM | | 1782 | - | | | 1677 | 1 - 0 |
| 1.2 | | | 1615 | - | | | 1677 | 1 - 0 |
| 1.3 | | | 1669 | - | | | 1644 | 1 - 0 |
| 1.4 | | | Bonilla Ortiz Johel Sebastian |
| 1599 | - | | | 1550 | 1 - 0 |
| Round 7 on 2015/11/01 at 09:30 |
| Bo. | 4 | Goico-Chess Academy B Infantil | Rtg | - | 5 | SAN RAMÓN | Rtg | 2 : 2 |
| 4.1 | | | 1677 | - | | | Rosales Gonzalez Erick Josue |
| 1736 | 0 - 1 |
| 4.2 | | | 1677 | - | | | 1400 | + - - |
| 4.3 | | | 1549 | - | | | 1400 | - - + |
| 4.4 | | | 1644 | - | | | 1600 | 1 - 0 |