Ball, Thomas
Current rating: 1516
Record: 5-4
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 196 | Wilcox, Patrick (1500) | Lost 0-2 | -181482 |
| 2sealed | 267 | Niehaus, Joshua (1452) | Won 2-1 | +171499 |
| 3sealed | 206 | Labenski, Michael (1517) | Lost 0-2 | -171482 |
| 4sealed | 300 | Sellers, David (1440) | Won 2-0 | +171499 |
| 5sealed | 204 | Lindo, Aaron (1502) | Won 2-0 | +181517 |
| 6sealed | 172 | McCarthy, Stephen (1409) | Lost 0-2 | -201497 |
| 7sealed | 179 | Burns, Brennan (1504) | Won 2-1 | +181515 |
| 8sealed | 122 | DeRoche, Chris (1596) | Lost 1-2 | -161499 |
| 9sealed | 125 | Gobeyn, Joe (1471) | Won 2-0 | +171516 |
| average opponent: 1488record: 5-4 | new rating: 1516 | |||