Mattila, Ville
Current rating: 1435
Record: 4-8
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 333 | Galli, John (1483) | Lost 1-2 | -181450 |
| 2sealed | 388 | Williams, Eric (1482) | Won 2-0 | +191469 |
| 3sealed | 291 | Adam, Denton (1500) | Lost 0-2 | -181451 |
| 4sealed | 426 | Brinkman, Jason (1544) | Lost 0-2 | -161435 |
| average opponent: 1502record: 1-3 | new rating: 1435 | |||
| Grand Prix Stockholm 2007 (FUT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 54 | Morgado, Bruno (1632) | Lost 1-2 | -161484 |
| 3sealed | 195 | Ax, Peter (1484) | Lost 1-2 | -181466 |
| 4sealed | 305 | Trnka, Michal (1481) | Lost 0-2 | -171449 |
| 5sealed | 285 | rengensjo, jonas (1464) | Lost 1-2 | -181431 |
| 6sealed | 268 | Lagerberg, Niklas (1449) | Lost 1-2 | -181413 |
| 7sealed | 227 | Raja, Aili (1430) | Won 0-0 | +191432 |
| 8sealed | 178 | Wallen, Petra (1421) | Won 2-0 | +171449 |
| 9sealed | 138 | Jager, Gerrit (1466) | Won 2-0 | +191468 |
| average opponent: 1478record: 3-5 | new rating: 1468 | |||