Ota, Kazunari
Current rating: 1405
Record: 4-9
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 451 | Li, Chi (1630) | Lost 0-2 | -161458 |
| 2standard | 911 | Ookubo, Ryou (1447) | Lost 1-2 | -181440 |
| 3standard | 1160 | Mitui, Kenichiro (1466) | Lost 0-2 | -171423 |
| 4standard | 1154 | Hirano, Satohiro (1446) | Lost 0-2 | -181405 |
| average opponent: 1497record: 0-4 | new rating: 1405 | |||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 188 | Izuka, Hiroaki (1500) | Lost 1-2 | -181482 |
| 2legacy | 291 | Tanaka, Takanori (1433) | Lost 0-2 | -191463 |
| 3legacy | 421 | Kurikage, Kazuya (1356) | Won 2-0 | +161479 |
| 4legacy | 383 | Okazawa, Tatsuya (1385) | Lost 0-2 | -201459 |
| 5legacy | 373 | Kawamura, Naoki (1394) | Won 2-0 | +171476 |
| 6legacy | 341 | Sasaki, Tsutomu (1411) | Won 2-0 | +171493 |
| 7legacy | 222 | Yoshimoto, Takashi (1439) | Won 2-0 | +171510 |
| 8legacy | 186 | Nemoto, Daisuke (1476) | Lost 1-2 | -191491 |
| 9legacy | 164 | Mita, Shin'ichiro (1499) | Lost 0-2 | -171474 |
| average opponent: 1433record: 4-5 | new rating: 1474 | |||