Arruda, Brian
Current rating: 1479
Record: 4-5-2
| Grand Prix Providence 2011 (legacy) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 130 | Downing, Ian (1432) | Lost 1-2 | -181462 |
| 2legacy | 144 | Thomas, Rob (1484) | Won 2-1 | +181480 |
| 3legacy | 98 | McLaughlin, Charles (1409) | Draw 1-1 | -11479 |
| 4legacy | 191 | Mckenzie, Owen B (1498) | Draw 1-1 | 01479 |
| 5legacy | 222 | Treadway, Justin (1485) | Won 2-0 | +181497 |
| 6legacy | 175 | Bonelli, David R (1491) | Lost 0-2 | -181479 |
| average opponent: 1467record: 2-2-2 | new rating: 1479 | |||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 220 | Dixon, Thomas (1500) | Won 2-1 | +181518 |
| 2sealed | 101 | Bacine, Noah (1526) | Lost 1-2 | -181500 |
| 3sealed | 186 | Ruan, Kai (1499) | Lost 1-2 | -181482 |
| 4sealed | 243 | McLaughlin, Charles (1402) | Won 2-1 | +171499 |
| 5sealed | 206 | Stojak, Peter (1483) | Lost 0-2 | -191480 |
| average opponent: 1482record: 2-3 | new rating: 1480 | |||