Espinoza, Esteban
Current rating: 1482
Record: 3-4
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 137 | Flores, Carlos (1500) | Lost 0-2 | -181482 |
| 3sealed | 158 | Lopez, Gustavo (1482) | Won 2-1 | +181500 |
| 4sealed | 113 | gonzalez, romano (1465) | Won 2-1 | +171517 |
| 5sealed | 97 | Velasquez, David (1520) | Won 2-1 | +181535 |
| 6sealed | 70 | Robins, Jules (1590) | Lost 0-2 | -171518 |
| 7sealed | 104 | Gomez, Teodosis Gavriel (1486) | Lost 0-2 | -181500 |
| 8sealed | 101 | Corrales, Mauricio (1499) | Lost 0-2 | -181482 |
| average opponent: 1506record: 3-4 | new rating: 1482 | |||