| Zeledon Perez Edgar 1656 CRC Rp:1836 |
| Rd. | SNo | | Name | Rtg | FED | Pts. | Res. | Bo. |
| 1 | 12 | | Madrigal Leon M°Rosa | 1400 | CRC | 3 | s 1 | 1 |
| 2 | 45 | CM | Coto Bonilla Darian | 1782 | CRC | 4 | w 1 | 1 |
| 5 | 79 | | Solano Saltachin Ruth | 1497 | CRC | 4 | s 1 | 1 |
| 6 | 62 | | Solano Saltachin Carlos Andre | 1900 | CRC | 2,5 | w 0 | 1 |
| 7 | 56 | | Miranda Villalta Jose Pablo | 1402 | CRC | 1 | s 1 | 1 |
| Gutierrez Arbaiza Jordan 1423 CRC Rp:1571 |
| Rd. | SNo | | Name | Rtg | FED | Pts. | Res. | Bo. |
| 1 | 13 | | Perez Granados Mariam | 1400 | CRC | 1 | w 1 | 2 |
| 2 | 46 | | Guzman Hidalgo Nicolas | 1615 | CRC | 6,5 | s 0 | 2 |
| 3 | 5 | | Rosales Gonzalez Erick Josue | 1736 | CRC | 6 | s 0 | 1 |
| 4 | 1 | | Shih Gould Danny | 1877 | CRC | 5,5 | w 0 | 1 |
| 5 | 80 | | Moscoa Badilla Hannah | 1400 | CRC | 0 | w 1 | 2 |
| 7 | 57 | | Villalobos Venegas Carlos | 1400 | CRC | 3 | w 1 | 2 |
| Gutierrez Arbaiza Ronny 1422 CRC Rp:1573 |
| Rd. | SNo | | Name | Rtg | FED | Pts. | Res. | Bo. |
| 1 | 15 | | Gonzalez Ramirez Genesis | 1400 | CRC | 2 | s 1 | 3 |
| 2 | 47 | | Espitia Torres Mateo | 1669 | CRC | 6 | w 0 | 3 |
| 3 | 6 | | Ruiz Victor | 1400 | CRC | 1,5 | w 1 | 2 |
| 4 | 4 | | Cedeno Caceres Stif | 1737 | CRC | 5 | s 0 | 2 |
| 6 | 63 | | Castro Garcia Alejandro | 1832 | CRC | 5 | s 0 | 2 |
| 7 | 58 | | Frater Gabriel | 1400 | CRC | 2 | s 1 | 3 |
| Sierra Berrocal Auriel 1507 CRC Rp:1516 |
| Rd. | SNo | | Name | Rtg | FED | Pts. | Res. | Bo. |
| 3 | 7 | | Campos Vega Bryan Enrique | 1534 | CRC | 2 | s 1 | 3 |
| 4 | 2 | | Coto Calderon Juan Diego | 1730 | CRC | 6 | w 0 | 3 |
| 5 | 94 | | Zuniga Gamez Anette | 1586 | CRC | 2 | s 1 | 3 |
| 6 | 64 | | Soto Alfaro Braulio | 1688 | CRC | 5 | w 0 | 3 |
| 7 | 59 | | De la Cruz Andre | 1400 | CRC | 4 | w 0 | 4 |
| Morales Nunez Jean Carlos 1400 CRC Rp:1497 |
| Rd. | SNo | | Name | Rtg | FED | Pts. | Res. | Bo. |
| 1 | 16 | | Hudson Vargas Daniela | 1400 | CRC | 2 | w 1 | 4 |
| 2 | 49 | | Rodriguez Potoy Nilson Jose | 1540 | CRC | 4 | s 0 | 4 |
| 3 | 9 | | Rosales Jesica | 1400 | CRC | 2 | w 1 | 4 |
| 4 | 3 | | Shih Gould Annie | 1867 | CRC | 4,5 | s 0 | 4 |
| 5 | 83 | | Picado Jimenez Sofia | 1400 | CRC | 1 | - 1K | 4 |
| 6 | 65 | | Ramirez Marchena Carlos Andre | 1639 | CRC | 6 | s 0 | 4 |
| Round 1 on 2015/10/24 at 09:30 |
| Bo. | 15 | CCDR TURRIALBA FEMENINO | Rtg | - | 6 | Curridabat A | Rtg | 0 : 4 |
| 6.1 | | | 1400 | - | | | 1656 | 0 - 1 |
| 6.2 | | | 1400 | - | | | 1423 | 0 - 1 |
| 6.3 | | | 1400 | - | | | 1422 | 0 - 1 |
| 6.4 | | | 1400 | - | | | Morales Nunez Jean Carlos |
| 1400 | 0 - 1 |
| Round 2 on 2015/10/24 at 14:30 |
| Bo. | 6 | Curridabat A | Rtg | - | 3 | CCDR Escazu A | Rtg | 1 : 3 |
| 3.1 | | | 1656 | - | CM | | 1782 | 1 - 0 |
| 3.2 | | | 1423 | - | | | 1615 | 0 - 1 |
| 3.3 | | | 1422 | - | | | 1669 | 0 - 1 |
| 3.4 | | | Morales Nunez Jean Carlos |
| 1400 | - | | | Rodriguez Potoy Nilson Jose |
| 1540 | 0 - 1 |
| Round 3 on 2015/10/25 at 09:30 |
| Bo. | 5 | SAN RAMÓN | Rtg | - | 6 | Curridabat A | Rtg | 1 : 3 |
| 4.1 | | | Rosales Gonzalez Erick Josue |
| 1736 | - | | | 1423 | 1 - 0 |
| 4.2 | | | 1400 | - | | | 1422 | 0 - 1 |
| 4.3 | | | Campos Vega Bryan Enrique |
| 1534 | - | | | 1507 | 0 - 1 |
| 4.4 | | | 1400 | - | | | Morales Nunez Jean Carlos |
| 1400 | 0 - 1 |
| Round 4 on 2015/10/25 at 14:30 |
| Bo. | 6 | Curridabat A | Rtg | - | 1 | ESCACS | Rtg | 0 : 4 |
| 2.1 | | | 1423 | - | | | 1877 | 0 - 1 |
| 2.2 | | | 1422 | - | | | 1737 | 0 - 1 |
| 2.3 | | | 1507 | - | | | 1730 | 0 - 1 |
| 2.4 | | | Morales Nunez Jean Carlos |
| 1400 | - | | | 1867 | 0 - 1 |
| Round 5 on 2015/10/31 at 09:30 |
| Bo. | 8 | Goico-Chess Academy D Infantil | Rtg | - | 6 | Curridabat A | Rtg | 0 : 4 |
| 4.1 | | | 1497 | - | | | 1656 | 0 - 1 |
| 4.2 | | | 1400 | - | | | 1423 | 0 - 1 |
| 4.3 | | | 1586 | - | | | 1507 | 0 - 1 |
| 4.4 | | | 1400 | - | | | Morales Nunez Jean Carlos |
| 1400 | - - + |
| Round 6 on 2015/10/31 at 14:30 |
| Bo. | 6 | Curridabat A | Rtg | - | 2 | Goico-Chess Academy A Infantil | Rtg | 0 : 4 |
| 3.1 | | | 1656 | - | | | Solano Saltachin Carlos Andre |
| 1900 | 0 - 1 |
| 3.2 | | | 1422 | - | | | 1832 | 0 - 1 |
| 3.3 | | | 1507 | - | | | 1688 | 0 - 1 |
| 3.4 | | | Morales Nunez Jean Carlos |
| 1400 | - | | | Ramirez Marchena Carlos Andre |
| 1639 | 0 - 1 |
| Round 7 on 2015/11/01 at 09:30 |
| Bo. | 14 | CCDR Escazu C | Rtg | - | 6 | Curridabat A | Rtg | 1 : 3 |
| 5.1 | | | Miranda Villalta Jose Pablo |
| 1402 | - | | | 1656 | 0 - 1 |
| 5.2 | | | Villalobos Venegas Carlos |
| 1400 | - | | | 1423 | 0 - 1 |
| 5.3 | | | 1400 | - | | | 1422 | 0 - 1 |
| 5.4 | | | 1400 | - | | | 1507 | 1 - 0 |