Erquicia, Boris
Current rating: 1658
Record: 12-4
| Regional Championships Santiago 2023 Cycle 4 (pioneer) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 18 | Gutierrez, Luis (1870) | Won 2-1 | +231607 |
| 2pioneer | 12 | Salgado, Fernando Daniel (1518) | Won 2-1 | +171624 |
| 3pioneer | 10 | Santos, Facundo (1521) | Won 2-0 | +161640 |
| 4pioneer | 67 | Torrico, Carlos (1573) | Won 2-1 | +161656 |
| 5pioneer | 16 | Goldschmidt, Carlos (1620) | Won 2-0 | +181674 |
| 6pioneer | 6 | Fuentes, Joaquin (1722) | Lost 0-2 | -171657 |
| 7pioneer | 40 | Sulimovich, Guillermo (1728) | Lost 1-2 | -171640 |
| 8pioneer | 36 | Vargas, Carlos (1623) | Won 2-1 | +181658 |
| average opponent: 1647record: 6-2 | new rating: 1658 | |||
| Regional Championships Santiago 2022 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 58 | Boggo, Ulises (1450) | Won 2-1 | +171517 |
| 2pioneer | 38 | Miranda, Renan (1518) | Won 2-0 | +181535 |
| 3pioneer | 10 | Salvatto, Luis (1964) | Won 2-1 | +251560 |
| 4pioneer | 1 | Solar, Juan (1616) | Lost 0-1 | -171543 |
| 5pioneer | 53 | Salas, Juan (1656) | Lost 0-2 | -151528 |
| 6pioneer | 20 | Sutter, Emanuel (1519) | Won 2-0 | +171545 |
| 7pioneer | 23 | Trepichio, Emiliano (1660) | Won 2-1 | +201565 |
| 8pioneer | 13 | Rodas Cuartas, Kevin (1602) | Won 2-0 | +191584 |
| average opponent: 1623record: 6-2 | new rating: 1584 | |||