Miyauchi, Toshiaki
Current rating: 1483
Record: 3-4-1
| Grand Prix Okayama 2004 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 37 | Okamoto, Kouki (1500) | Won 2-1 | +181518 |
| 2extended | 35 | Yanagisawa, Tadahiro (1531) | Lost 1-2 | -181500 |
| 3extended | 148 | U, Kashin (1500) | Won 2-0 | +181518 |
| 4extended | 114 | Yamane, Masahiro (1520) | Won 2-1 | +181536 |
| 5extended | 55 | Satake, Kousuke (1449) | Lost 0-2 | -191517 |
| 6extended | 74 | Satou, Tomonari (1519) | Lost 1-2 | -181499 |
| 7extended | 98 | Mukuno, Yuuji (1633) | Lost 0-2 | -161483 |
| 8extended | 95 | Shimamura, Masatoshi (1469) | Draw 1-1 | 01483 |
| average opponent: 1515record: 3-4-1 | new rating: 1483 | |||