Tuomi, Antero
Current rating: 1464
Record: 4-6
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 4 | Haggkvist, Sami (1500) | Lost 0-2 | -181463 |
| 2sealed | 173 | Pedan, Sergey (1488) | Won 2-1 | +181481 |
| 3sealed | 149 | Kupias, Petri (1500) | Lost 0-2 | -171464 |
| average opponent: 1496record: 1-2 | new rating: 1464 | |||
| Grand Prix Helsinki 2000 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 6 | Pynnonen, Erkka (1500) | Won 1-0 | +181518 |
| 2sealed | 32 | Marikainen, Tekka (1518) | Lost 1-2 | -181500 |
| 3sealed | 100 | Tervonen, Janne (1500) | Lost 0-2 | -181482 |
| 4sealed | 113 | Areliusarson, Arelius (1403) | Won 2-1 | +171499 |
| 5sealed | 124 | Vesterback, Joni (1501) | Lost 1-2 | -181481 |
| 6sealed | 113 | Oolo, Andrus (1482) | Won 0-0 | +181499 |
| 7sealed | 80 | Nevalainen, Max (1500) | Lost 0-2 | -181481 |
| average opponent: 1486record: 3-4 | new rating: 1481 | |||