Corrales, Mauricio
Current rating: 1517
Record: 4-3
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 76 | Montero, Francisco (1500) | Won 2-0 | +181518 |
| 3sealed | 118 | Quiron, Marco (1482) | Lost 0-2 | -191499 |
| 4sealed | 110 | Dobles Morales, Robert (1464) | Lost 0-2 | -181481 |
| 5sealed | 143 | villalobos, jeffrey (1482) | Won 2-0 | +181499 |
| 6sealed | 116 | Nicosia, Alvaro (1552) | Lost 0-2 | -171482 |
| 7sealed | 121 | Borquez, Flavio (1449) | Won 2-1 | +171499 |
| 8sealed | 101 | Espinoza, Esteban (1500) | Won 2-0 | +181517 |
| average opponent: 1490record: 4-3 | new rating: 1517 | |||