Grau, William
Current rating: 1465
Record: 0-2
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 75 | Jimenez, Luis (1510) | Lost 0-2 | -181482 |
| 4sealed | 128 | Gomez, Manuel (1539) | Lost 0-2 | -171465 |
| average opponent: 1524record: 0-2 | new rating: 1465 | |||