Lehtonen, Juhani
Current rating: 1427
Record: 0-4-2
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 11 | Sandell, Jo-Inge (1480) | Lost 0-2 | -181482 |
| 2sealed | 153 | Linnimaa, Jani (1434) | Lost 0-2 | -191463 |
| 3sealed | 194 | Bogdanov, Dan (1464) | Lost 0-2 | -181445 |
| 4sealed | 204 | Peltola, Jarne (1446) | Draw 1-1 | 01445 |
| 5sealed | 192 | Amundsen, Rune (1448) | Lost 1-2 | -181427 |
| 6sealed | 166 | Miikkulainen, Ossi (1428) | Draw 1-1 | 01427 |
| average opponent: 1450record: 0-4-2 | new rating: 1427 | |||