Osada, Masahiro
Current rating: 1508
Record: 4-4-1
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 230 | Date, Tsutomu (1537) | Won 2-1 | +191519 |
| 2standard | 83 | Ogura, Shigeru (1445) | Draw 0-0 | -21517 |
| 3standard | 128 | Ueyama, Yuji (1477) | Won 2-0 | +181535 |
| 4standard | 98 | Matsushita, Masakazu (1736) | Lost 1-2 | -151520 |
| 5standard | 178 | Tanikawa, Masato (1519) | Lost 0-2 | -181502 |
| 6standard | 230 | Ito, Ken (1659) | Won 2-0 | +211523 |
| 7standard | 71 | Hanba, Kyouhei (1522) | Won 2-1 | +181541 |
| 8standard | 188 | Okada, Wataru (1658) | Lost 1-2 | -161525 |
| 9standard | 148 | Inoguchi, Hironobu (1577) | Lost 0-2 | -171508 |
| average opponent: 1570record: 4-4-1 | new rating: 1508 | |||