Viljani, Petrila
Current rating: 1534
Record: 8-6
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 159 | Liimatta, Petri (1465) | Won 2-0 | +171517 |
| 2sealed | 39 | Ranta, Teemu (1518) | Won 2-1 | +181535 |
| 3sealed | 20 | Haggkvist, Sami (1536) | Won 2-0 | +181553 |
| 4sealed | 41 | Backstrom, Mattias (1379) | Lost 1-2 | -211532 |
| 5sealed | 58 | Nurmi, Mikko (1484) | Won 2-0 | +171549 |
| 6sealed | 46 | Linov, Matvey (1520) | Won 2-1 | +181567 |
| 7sealed | 11 | Rummukainen, Antti (1519) | Lost 0-2 | -191548 |
| 8sealed | 46 | Langer, Tomas (1581) | Won 2-1 | +191567 |
| 9rochester | 13 | Heinikangas, Niilo (1579) | Won 2-0 | +181585 |
| 10rochester | 23 | Immonen, Mika (1598) | Lost 0-2 | -181567 |
| 11rochester | 11 | Toikka, Seppo (1725) | Won 2-0 | +211588 |
| 12rochester | 7 | Airaksinen, Mikko (1586) | Lost 0-2 | -181570 |
| 13rochester | 3 | Vestin, Karl (1542) | Lost 0-2 | -191551 |
| 14rochester | 24 | Immonen, Mika (1566) | Lost 1-2 | -171534 |
| average opponent: 1543record: 8-6 | new rating: 1534 | |||