Herrera, Eduardo
Current rating: 1531
Record: 5-4
| Grand Prix Costa Rica 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 126 | Reyes Calles, Moises Eduardo (1500) | Won 2-1 | +181518 |
| 2standard | 7 | Portes Perez, Fabio Armando (1500) | Won 2-0 | +181536 |
| 3standard | 34 | Canavati, Andreas (1794) | Won 2-1 | +221558 |
| 4standard | 30 | Ward, Daniel (1978) | Lost 0-2 | -101548 |
| 5standard | 91 | Avila Gutierrez, Marlon Jacob (1622) | Lost 0-2 | -171531 |
| 6standard | 127 | Bower, James (1517) | Won 2-1 | +181549 |
| 7standard | 74 | Oro Yu, Ivan (1628) | Won 2-0 | +191568 |
| 8standard | 36 | Valencia, Omar (1530) | Lost 1-2 | -191549 |
| 9standard | 66 | Araya Solano, Alejandro (1554) | Lost 0-2 | -181531 |
| average opponent: 1625record: 5-4 | new rating: 1531 | |||