Castro Vizcarra, Ernes Jonas
Current rating: 1460
Record: 3-6
| Grand Prix Costa Rica 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 13 | Chillon, Cesar (1571) | Won 2-0 | +191519 |
| 2standard | 43 | Barrera, Alexander (1710) | Lost 1-2 | -141505 |
| 3standard | 156 | Schwalb, Natalie (1501) | Won 2-1 | +181523 |
| 4standard | 108 | Barnett, Tyler (1653) | Lost 0-2 | -161507 |
| 5standard | 182 | Lear, Tanner (1659) | Won 2-1 | +211528 |
| 6standard | 110 | Juarez Oliva, Fernando Jose (1638) | Lost 1-2 | -161512 |
| 7standard | 160 | Nguyen, Minh (1667) | Lost 0-2 | -151497 |
| 8standard | 170 | Mendoza Jimenez, Fredy (1482) | Lost 1-2 | -191478 |
| 9standard | 164 | Correa, Diego (1464) | Lost 1-2 | -181460 |
| average opponent: 1594record: 3-6 | new rating: 1460 | |||