Villalobos, Hector
Current rating: 1450
Record: 1-4-1
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 106 | Marine, Enrique (1553) | Lost 0-2 | -171483 |
| 3sealed | 72 | Cowan, John William (1553) | Lost 1-2 | -171466 |
| 4sealed | 152 | Gutierrez Pena, Jose Daniel (1465) | Lost 1-2 | -181448 |
| 5sealed | 149 | Cubillos, Fabian (1463) | Won 2-0 | +191467 |
| 6sealed | 126 | Hernandez, Antony (1499) | Lost 1-2 | -181449 |
| 7sealed | 115 | Rojas, Alejandro (1481) | Draw 0-0 | +11450 |
| average opponent: 1502record: 1-4-1 | new rating: 1450 | |||