Updegraff, Derek
Current rating: 1446
Record: 2-5
| Grand Prix Orlando 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 33 | Peters, John (1502) | Lost 0-2 | -181482 |
| 2block | 177 | Conrad, Michael (1503) | Lost 0-2 | -181464 |
| 3block | 216 | Yong, Adam (1464) | Lost 0-2 | -181446 |
| 4block | 228 | Catherman, Kami (1446) | Won 2-0 | +181464 |
| 5block | 189 | Ashby, Richard (1463) | Won 2-1 | +181482 |
| 6block | 147 | Orr, Joseph (1482) | Lost 0-2 | -181464 |
| 7block | 133 | Nielsen, Brian (1438) | Lost 0-2 | -181446 |
| average opponent: 1471record: 2-5 | new rating: 1446 | |||