Okabe, Tomoaki
Current rating: 1540
Record: 5-3
| Grand Prix Okayama 2004 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 96 | Hanae, Yutaka (1464) | Lost 0-2 | -191481 |
| 2extended | 153 | Oota, Hideaki (1483) | Won 2-0 | +181499 |
| 3extended | 128 | Yamada, Tsutomu (1660) | Lost 0-2 | -151484 |
| 4extended | 176 | Aoki, Yasunori (1480) | Won 2-1 | +181502 |
| 5extended | 105 | Kataoka, Asami (1609) | Lost 1-2 | -161486 |
| 6extended | 138 | Sibata, Masaki (1484) | Won 2-0 | +181504 |
| 7extended | 105 | Omori, Ken'ichirou (1441) | Won 2-1 | +171521 |
| 8extended | 82 | Matsumura, Takehiko (1573) | Won 2-0 | +191540 |
| average opponent: 1524record: 5-3 | new rating: 1540 | |||