Quesada, Juan
Current rating: 1485
Record: 3-4
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 133 | Gomez, Teodosis Gavriel (1500) | Lost 1-2 | -181482 |
| 3sealed | 85 | Salas S, Walter (1518) | Lost 0-2 | -171465 |
| 4sealed | 146 | Lujan Gallegos, Daniel (1465) | Won 2-0 | +181483 |
| 5sealed | 100 | Brenes, Jose Manuel (1518) | Lost 1-2 | -181465 |
| 6sealed | 133 | Aguero Franco, Aurelio (1499) | Won 2-0 | +191484 |
| 7sealed | 86 | Iramain, Jorge (1526) | Lost 0-2 | -171467 |
| 8sealed | 12 | Palmeira da Silva, Pau (1463) | Won 2-1 | +181485 |
| average opponent: 1498record: 3-4 | new rating: 1485 | |||