Ellson, Don
Current rating: 1480
Record: 4-5
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 292 | Niehaus, Joshua (1469) | Won 2-1 | +171517 |
| 2sealed | 17 | Salvat, Jaime (1489) | Lost 0-2 | -181499 |
| 3sealed | 193 | Brake, Aaron (1500) | Lost 0-2 | -181481 |
| 4sealed | 314 | Kunselman, Mark (1483) | Won 2-0 | +181499 |
| 5sealed | 239 | Austin, Dylan (1501) | Won 2-1 | +181517 |
| 6sealed | 206 | Bauer, Jason (1483) | Lost 0-2 | -191498 |
| 7sealed | 183 | Shubert, Robert (1499) | Lost 1-2 | -181480 |
| 8sealed | 158 | Bibby, Jennifer (1480) | Won 2-0 | +181498 |
| 9sealed | 124 | Burns, Christopher (1500) | Lost 1-2 | -181480 |
| average opponent: 1490record: 4-5 | new rating: 1480 | |||