Okabe, Kazuyuki
Current rating: 1410
Record: 1-6
| Grand Prix Okayama 2004 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 46 | Shiraga, Motoaki (1500) | Won 2-0 | +181518 |
| 2extended | 97 | Kakumae, Teruya (1594) | Lost 0-2 | -171501 |
| 3extended | 142 | Yorifuji, Hideyuki (1514) | Lost 0-2 | -171484 |
| 4extended | 154 | Toyota, Hiroki (1482) | Lost 0-2 | -181466 |
| 5extended | 159 | Imamura, Taichirou (1428) | Lost 0-2 | -191447 |
| 6extended | 152 | Kamei, Hidenori (1380) | Lost 1-2 | -191428 |
| 7extended | 123 | Akita, Naoto (1419) | Lost 1-2 | -181410 |
| average opponent: 1474record: 1-6 | new rating: 1410 | |||