Niittymaki, Toni
Current rating: 1492
Record: 4-5-1
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 101 | Alkio, Anssi (1500) | Won 2-0 | +191465 |
| 2sealed | 4 | Timonen, Jussi (1640) | Lost 0-2 | -151450 |
| 3sealed | 79 | Sorensen, Jan (1644) | Won 2-1 | +221472 |
| 4sealed | 118 | Salmenkivi, Otto (1517) | Won 2-0 | +191491 |
| 5sealed | 80 | Rikberg, Svante (1570) | Won 2-0 | +191510 |
| 6sealed | 34 | Saaro, Olli (1503) | Lost 0-2 | -181492 |
| average opponent: 1562record: 4-2 | new rating: 1492 | |||
| Grand Prix Helsinki 2000 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Tuomi, Harri (1500) | Draw 1-1 | 01500 |
| 2sealed | 91 | Schildt, Henri (1511) | Lost 0-2 | -181482 |
| 3sealed | 128 | Salmikivi, Heikki (1482) | Lost 0-2 | -181464 |
| 4sealed | 162 | Linnimaa, Jani (1464) | Lost 0-2 | -181446 |
| average opponent: 1489record: 0-3-1 | new rating: 1446 | |||