Yamamoto, Katsumi
Current rating: 1460
Record: 2-4
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 2 | Shibata, Naoki (1464) | Lost 0-2 | -191481 |
| 2standard | 377 | Suzuki, Gou (1410) | Lost 0-2 | -191462 |
| 3standard | 404 | Katsu, Masahiro (1387) | Won 2-1 | +171479 |
| 4standard | 381 | Hada, Kai (1482) | Won 2-0 | +181497 |
| 5standard | 282 | Doi, Yuki (1501) | Lost 0-2 | -181479 |
| 6standard | 332 | Oikawa, Hakudou (1454) | Lost 0-2 | -191460 |
| average opponent: 1450record: 2-4 | new rating: 1460 | |||