Sebastian, Andy
Current rating: 1483
Record: 4-5
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 86 | Mueller, Anthony (1430) | Lost 0-2 | -191481 |
| 2sealed | 322 | Sund, Aerick (1482) | Won 2-1 | +181499 |
| 3sealed | 262 | Furfari, Tommy (1500) | Won 2-1 | +181517 |
| 4sealed | 193 | Manning, Christopher (1686) | Lost 1-2 | -151502 |
| 5sealed | 212 | Mcbroom Ii, John (1501) | Lost 1-2 | -181484 |
| 6sealed | 207 | Cacan, Alem (1482) | Lost 0-2 | -181466 |
| 7sealed | 173 | Bottcher, Chris (1466) | Lost 1-2 | -181448 |
| 8sealed | 131 | Wilson, Ryan (1431) | Won 2-1 | +171465 |
| 9sealed | 97 | Williams, Justin (1418) | Won 2-1 | +181483 |
| average opponent: 1488record: 4-5 | new rating: 1483 | |||