Roncoroni, Seth
Current rating: 1536
Record: 4-2-1
| Grand Prix New Jersey 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 42 | Schaut, Christopher (1500) | Draw 1-1 | 01500 |
| 2block | 241 | Moscatelli, Darren (1500) | Lost 0-2 | -181482 |
| 3block | 354 | Clayton, Leroy (1482) | Won 2-1 | +181500 |
| 4block | 298 | Kiesling, Michael (1500) | Won 2-1 | +181518 |
| 5block | 208 | Kallaugher, John (1518) | Won 2-1 | +181536 |
| 6block | 137 | Mehta, Darshan (1536) | Won 2-0 | +181554 |
| 7block | 82 | Meadows, Eric (1570) | Lost 0-2 | -181536 |
| average opponent: 1515record: 4-2-1 | new rating: 1536 | |||