Oya, Shingo
Current rating: 1431
Record: 1-5
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 2 | Sato, Mitsunori (1540) | Lost 0-2 | -171483 |
| 2block | 166 | Kihara, Manabu (1482) | Won 2-0 | +181501 |
| 3block | 93 | Okuyama, Tatsunori (1497) | Lost 0-2 | -181483 |
| 4block | 195 | Takahashi, Kazunari (1488) | Lost 0-2 | -181465 |
| 5block | 196 | Yasufuku, Akihiro (1546) | Lost 0-2 | -171448 |
| 6block | 177 | Matushita, Masakazu (1503) | Lost 0-2 | -171431 |
| average opponent: 1509record: 1-5 | new rating: 1431 | |||