Bonilla Chacon, Raul
Current rating: 1430
Record: 0-4
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 140 | Vargas, Jose (1500) | Lost 1-2 | -181482 |
| 3sealed | 115 | Vega, Diego (1518) | Lost 0-2 | -171465 |
| 4sealed | 118 | Chinchilla, Marco (1500) | Lost 0-2 | -181447 |
| 5sealed | 135 | Alvarado, Esteban (1482) | Lost 0-2 | -171430 |
| average opponent: 1500record: 0-4 | new rating: 1430 | |||