Campos, Ruben
Current rating: 1534
Record: 4-2-1
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 23 | Salas Arroyo, Michael (1500) | Draw 1-1 | 01500 |
| 3sealed | 129 | Arauz, Joel Enrique (1442) | Lost 0-2 | -191481 |
| 4sealed | 158 | Jimenez, Tomas (1481) | Won 2-0 | +181499 |
| 5sealed | 130 | Gen, Alex (1500) | Won 2-1 | +181517 |
| 6sealed | 102 | Zuniga, Luis Diego (1486) | Won 2-0 | +171534 |
| 7sealed | 73 | Castro Fernandez, John (1535) | Won 1-0 | +181552 |
| 8sealed | 53 | Rojas Salas, Jose Roberto (1553) | Lost 1-2 | -181534 |
| average opponent: 1500record: 4-2-1 | new rating: 1534 | |||