Miyake, Tsubasa
Current rating: 1518
Record: 4-3
| Grand Prix Okayama 2004 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 25 | Tokieda, Hiroyuki (1553) | Lost 0-2 | -171483 |
| 2extended | 118 | Suginaka, Takaaki (1410) | Won 2-0 | +171500 |
| 3extended | 93 | Tanaka, Kazuyuki (1574) | Lost 1-2 | -171483 |
| 4extended | 165 | Sonoda, Takayuki (1470) | Won 2-0 | +181501 |
| 5extended | 148 | Doi, Fumiaki (1479) | Won 2-0 | +171518 |
| 6extended | 90 | Kito, Takeshi (1526) | Won 2-1 | +181536 |
| 7extended | 52 | Ogura, Ryou (1502) | Lost 0-2 | -181518 |
| average opponent: 1502record: 4-3 | new rating: 1518 | |||