McMillan, W Ziggy
Current rating: 1482
Record: 2-3
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 58 | O'Hara, Michael J (1500) | Won 2-0 | +181518 |
| 2sealed | 86 | Price, Nathanial (1435) | Lost 0-2 | -201498 |
| 3sealed | 262 | Pinnegar, Michael (1500) | Lost 0-2 | -171481 |
| 4sealed | 337 | Hackenberger, Bryan (1481) | Won 2-0 | +181499 |
| 5sealed | 216 | Fulop, Brian (1566) | Lost 0-2 | -171482 |
| average opponent: 1496record: 2-3 | new rating: 1482 | |||