Johnson, Tom [USA]
Current rating: 1501
Record: 2-2-2
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 11 | Coffelt, Stephen (1500) | Won 2-1 | +181518 |
| 2sealed | 13 | Chaplin, Neal (1517) | Lost 0-2 | -181500 |
| 3sealed | 219 | Chamberlain, Bryan (1517) | Draw 1-1 | 01500 |
| 4sealed | 262 | Christopher, Grant (1534) | Draw 1-1 | +11501 |
| 5sealed | 276 | Gibson, Kevin (1524) | Won 2-1 | +181519 |
| 6sealed | 210 | Kocinski, Ken (1503) | Lost 0-2 | -181501 |
| average opponent: 1516record: 2-2-2 | new rating: 1501 | |||