Rathvon, Andrew W
Current rating: 1559
Record: 6-3
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 490 | Paulson, Lars (1500) | Won 2-1 | +181518 |
| 2sealed | 107 | Ostrem, Jordan (1499) | Won 2-1 | +181536 |
| 3sealed | 159 | Smith, Ian (1537) | Won 2-0 | +181554 |
| 4sealed | 138 | Chreptyk, Brandon (1613) | Lost 0-2 | -171537 |
| 5sealed | 159 | Fondren, Roger (1519) | Won 2-1 | +171554 |
| 6sealed | 87 | Timidaiski, Joe (1503) | Lost 1-2 | -191535 |
| 7sealed | 173 | Lax, Ari (1875) | Won 2-0 | +241559 |
| 8sealed | 89 | JONES, ALEX E (1560) | Won 2-0 | +181577 |
| 9sealed | 113 | Wiltsey, Wardon (1573) | Lost 1-2 | -181559 |
| average opponent: 1575record: 6-3 | new rating: 1559 | |||