De Mattei, Sergio
Current rating: 1448
Record: 3-6
| Grand Prix Rimini 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 38 | Favaro, Thomas (1481) | Won 2-0 | +181518 |
| 2block | 101 | Ferrero, Carlos (1518) | Lost 0-2 | -181500 |
| 3block | 128 | Jurkovic, Robert (1627) | Lost 0-2 | -161484 |
| 4block | 299 | Calafiore, Paolo (1484) | Lost 0-2 | -181466 |
| 5block | 281 | Marin, Tommaso (1463) | Won 2-1 | +181484 |
| 6block | 235 | Ruth, John (1509) | Lost 0-2 | -181466 |
| 7block | 216 | Padulazzi, Massimiliano (1466) | Lost 1-2 | -181448 |
| 8block | 185 | Casalatina, Andrea (1465) | Won 2-1 | +191467 |
| 9block | 150 | Sury, Zdenek (1433) | Lost 0-2 | -191448 |
| average opponent: 1494record: 3-6 | new rating: 1448 | |||