Birnbaum, Matthew
Current rating: 1490
Record: 4-5
| Grand Prix New Jersey 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 153 | Shiels, David (1500) | Lost 1-2 | -181482 |
| 2block | 323 | Spector, Matt (1482) | Won 2-0 | +181500 |
| 3block | 257 | Babakol, Timur (1502) | Won 2-0 | +181518 |
| 4block | 241 | Lafrancis, Mike (1518) | Lost 0-2 | -181500 |
| 5block | 313 | Shi, Lugan (1499) | Won 2-0 | +181518 |
| 6block | 152 | Leader-Smith, Alex (1602) | Lost 0-2 | -161502 |
| 7block | 247 | Fabiano, Gerard (1941) | Lost 0-2 | -111491 |
| 8block | 225 | Rudolph, Matt (1464) | Lost 0-2 | -181473 |
| 9block | 188 | Koriabine, Nikolai (1463) | Won 2-1 | +171490 |
| average opponent: 1552record: 4-5 | new rating: 1490 | |||