Bonilla, Jeffrey
Current rating: 1451
Record: 1-4
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Abea, Andres (1500) | Won 2-1 | +181518 |
| 3sealed | 32 | Jones, Craig (1755) | Lost 0-2 | -141504 |
| 4sealed | 66 | Abarca, Ricardo (1535) | Lost 0-2 | -171487 |
| 5sealed | 103 | Gomez, Milton Salvador (1483) | Lost 1-2 | -181469 |
| 6sealed | 111 | Mora, Ricardo (1482) | Lost 0-2 | -181451 |
| average opponent: 1551record: 1-4 | new rating: 1451 | |||