Oelgart, Ben
Current rating: 1500
Record: 2-2
| Grand Prix Boston 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 108 | Rudolph, Matt (1501) | Won 2-1 | +181518 |
| 2extended | 129 | Swartz, Noah (1500) | Won 2-0 | +181536 |
| 3extended | 72 | Saunders, Chad (1536) | Lost 0-2 | -181518 |
| 4extended | 123 | Dyer, Jeffrey (1544) | Lost 1-2 | -181500 |
| average opponent: 1520record: 2-2 | new rating: 1500 | |||