De Rossi, Marco
Current rating: 1459
Record: 6-9-2
| Grand Prix Milan 2011 (ISD limited) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 762 | Sahlberg, Martin (1500) | Won 2-0 | +191472 |
| 2sealed | 694 | Schneider, Philipp (1477) | Lost 1-2 | -181454 |
| 3sealed | 674 | Saudek, Lucien (1542) | Draw 1-1 | +11455 |
| 4sealed | 776 | Valero, Joaquin (1431) | Won 2-0 | +181473 |
| 5sealed | 695 | Angelopoulos, Marios (1684) | Lost 0-2 | -141459 |
| top | average opponent: 1527record: 2-2-1 | new rating: 1459 | ||
| Grand Prix Turin 2006 (DIS limited) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 28 | Fidanza, Gianandrea (1452) | Draw 1-1 | -11468 |
| 2sealed | 170 | Genin, Eric (1488) | Lost 0-2 | -171451 |
| 3sealed | 241 | Zulian, Simone (1484) | Won 2-0 | +181469 |
| 4sealed | 212 | Ashby, Claire (1547) | Lost 0-2 | -161453 |
| top | average opponent: 1493record: 1-2-1 | new rating: 1453 | ||
| Grand Prix Bologna 2005 (SOK limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 60 | Leiweke, Dominick (1500) | Lost 0-2 | -181468 |
| 2sealed | 274 | Grinovero, Sanne (1482) | Won 2-1 | +181486 |
| 3sealed | 199 | Sobygge, Kristian (1504) | Lost 1-2 | -171469 |
| top | average opponent: 1495record: 1-2 | new rating: 1469 | ||
| Grand Prix Genoa 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 52 | Rossi, Claudio (1594) | Lost 1-2 | -161484 |
| 2block | 172 | Valmorbida, Alessia (1482) | Won 2-0 | +181502 |
| 3block | 167 | Wittenbrink, Stefan (1505) | Won 2-1 | +181520 |
| 4block | 127 | Holtz, Jens (1548) | Lost 0-2 | -181502 |
| 5block | 182 | Lombardi, Piero (1587) | Lost 0-2 | -161486 |
| top | average opponent: 1543record: 2-3 | new rating: 1486 | ||