Quiros Castro, Jorge P
Current rating: 1481
Record: 3-4
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 124 | Vega, Diego (1500) | Lost 1-2 | -181482 |
| 3sealed | 154 | Carballo, Andres (1483) | Lost 0-2 | -181464 |
| 4sealed | 163 | Brenes, Moises (1464) | Won 2-0 | +181482 |
| 5sealed | 139 | Lujan Gallegos, Daniel (1447) | Lost 1-2 | -191463 |
| 6sealed | 141 | Murillo, Andres (1464) | Won 2-0 | +181481 |
| 7sealed | 120 | Tavera, Jorge (1480) | Lost 1-2 | -181463 |
| 8sealed | 111 | Finol, Rafael (1464) | Won 2-0 | +181481 |
| average opponent: 1472record: 3-4 | new rating: 1481 | |||