Patterson, Josh F
Current rating: 1521
Record: 4-3
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 102 | Hicks, Barry (1500) | Won 2-1 | +181518 |
| 2standard | 216 | Wise, Wesley (1500) | Lost 0-2 | -181500 |
| 3standard | 271 | Neto, Romario (1499) | Won 2-1 | +181518 |
| 4standard | 208 | Garabedian, Dylan (1469) | Won 2-0 | +171535 |
| 5standard | 104 | Izsak, Yoel (1849) | Won 2-0 | +231558 |
| 6standard | 34 | Lubarsky, Zachary (1505) | Lost 0-2 | -191539 |
| 7standard | 155 | Eggert, Daniel L (1536) | Lost 1-2 | -181521 |
| average opponent: 1551record: 4-3 | new rating: 1521 | |||