Zuniga, Luis Diego
Current rating: 1505
Record: 3-3-1
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 118 | Thoren, Erik (1691) | Draw 1-1 | +31503 |
| 3sealed | 49 | Villalobos, Jorge (1517) | Lost 0-2 | -171486 |
| 4sealed | 106 | Martinez, Geovanny (1483) | Lost 1-2 | -181468 |
| 5sealed | 132 | Mendez, Pablo [CRI] (1482) | Won 2-0 | +181486 |
| 6sealed | 102 | Campos, Ruben (1517) | Lost 0-2 | -181468 |
| 7sealed | 109 | Salas Arroyo, Michael (1499) | Won 2-0 | +191487 |
| 8sealed | 90 | Brenes Rojas, Marco (1465) | Won 2-1 | +181505 |
| average opponent: 1522record: 3-3-1 | new rating: 1505 | |||