Simabukuro, Moriaka
Current rating: 1497
Record: 4-4
| Grand Prix Okayama 2004 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 53 | Yoshida, Taiki (1500) | Lost 0-2 | -181482 |
| 2extended | 123 | Higashida, Keita (1480) | Lost 0-2 | -181464 |
| 3extended | 166 | Takei, Taiki (1463) | Won 2-0 | +181482 |
| 4extended | 140 | Yagi, Naoki (1481) | Lost 1-2 | -181464 |
| 5extended | 165 | Takahara, Hitoki (1433) | Won 2-1 | +171481 |
| 6extended | 124 | Takahashi, Katsuhiko (1479) | Won 2-0 | +181499 |
| 7extended | 92 | Kamei, Toru (1362) | Won 2-0 | +161515 |
| 8extended | 79 | Yorifuji, Hideyuki (1531) | Lost 0-2 | -181497 |
| average opponent: 1466record: 4-4 | new rating: 1497 | |||