Oosima, Keisuke
Current rating: 1479
Record: 2-3-2
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 316 | Kagami, Chisei (1504) | Lost 0-2 | -171479 |
| record: 0-1 | new rating: 1479 | |||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 192 | Uchida, Koutarou (1500) | Lost 1-2 | -181482 |
| 2standard | 745 | Koshiishi, Tadahito (1466) | Won 2-1 | +181500 |
| 3standard | 803 | Fujita, Ikuya (1499) | Draw 1-1 | 01500 |
| 4standard | 823 | Fujita, Kenshi (1463) | Draw 1-1 | -11499 |
| 5standard | 954 | Taniguchi, Kouhei (1464) | Lost 0-2 | -191480 |
| 6standard | 914 | Ehara, Daisuke (1370) | Won 2-1 | +161496 |
| average opponent: 1460record: 2-2-2 | new rating: 1496 | |||