Ching, Diego C
Current rating: 1555
Record: 5-2
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 40 | Duran, Jason (1500) | Lost 0-2 | -181482 |
| 3sealed | 148 | Munoz Alvarez, Josue (1484) | Won 2-0 | +181500 |
| 4sealed | 114 | Aguilar Vazquez, Juan (1499) | Won 2-0 | +181518 |
| 5sealed | 82 | Mena, Javier (1517) | Won 2-0 | +181536 |
| 6sealed | 57 | Garcia, Ivannia (1535) | Won 2-0 | +181554 |
| 7sealed | 65 | Castellan Robles, Rigoberto (1581) | Won 2-1 | +181572 |
| 8sealed | 33 | Abarca, Ricardo (1575) | Lost 1-2 | -171555 |
| average opponent: 1527record: 5-2 | new rating: 1555 | |||