Okamoto, Katuhiro
Current rating: 1484
Record: 1-2
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 136 | Seki, Yuujiro (1500) | Won 2-1 | +181518 |
| 2standard | 238 | Takeda, Hiroki (1617) | Lost 0-2 | -161502 |
| 3standard | 209 | Tanaka, Yasuo (1500) | Lost 1-2 | -181484 |
| average opponent: 1539record: 1-2 | new rating: 1484 | |||