Ooshima, Kazuya
Current rating: 1500
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 655 | Kitahara, Hiroaki (1805) | Lost 1-2 | -131478 |
| 3sealed | 700 | Nagao, Takuya (1347) | Won 2-0 | +161494 |
| 4sealed | 638 | Matsumoto, Yuki1423 (1757) | Won 2-0 | +221516 |
| 5sealed | 657 | Hirano, Takatoshi (1537) | Lost 1-2 | -171499 |
| 6sealed | 663 | Nakamura, Ryuji (1505) | Won 2-1 | +181517 |
| 7sealed | 606 | Nogami, Daisuke (1594) | Lost 1-2 | -171500 |
| top | average opponent: 1591record: 3-3 | new rating: 1500 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 171 | Nishizawa, Yasuhide (1757) | Won 2-1 | +231509 |
| 2standard | 190 | Nakamichi, Yuko (1500) | Lost 0-2 | -181491 |
| top | average opponent: 1629record: 1-1 | new rating: 1491 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 248 | Sekiguchi, Dan (1500) | Won 2-0 | +181518 |
| 2standard | 189 | Hamamoto, Kenji (1713) | Lost 1-2 | -141504 |
| 3standard | 225 | Kinell, Andreas (1487) | Lost 1-2 | -191485 |
| 4standard | 339 | Mori, Daisuke (1529) | Won 2-1 | +191504 |
| 5standard | 322 | Maeda, Kouji (1510) | Lost 0-2 | -181486 |
| 6standard | 320 | Iwaide, Yoshitaka (1482) | Won 2-1 | +181504 |
| 7standard | 240 | Miura, Tomoyasu (1500) | Lost 1-2 | -181486 |
| top | average opponent: 1532record: 3-4 | new rating: 1486 | ||