Okawa, Jun
Current rating: 1452
Record: 4-7
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 282 | Nakamura, Keisuke (1602) | Lost 1-2 | -161448 |
| 2sealed | 382 | Yamamoto, Masafumi (1463) | Won 2-1 | +191467 |
| 3sealed | 438 | Saito, Rinshiro (1501) | Lost 0-2 | -181449 |
| 4sealed | 490 | Tsukiji, Teruaki (1358) | Won 2-0 | +171466 |
| 5sealed | 385 | Nakamura, Junya (1734) | Lost 1-2 | -141452 |
| average opponent: 1532record: 2-3 | new rating: 1452 | |||
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 966 | Osa, Tomoki (1500) | Lost 0-2 | -181482 |
| 2modern | 1106 | Takamiya, Issei (1428) | Won 2-1 | +171499 |
| 3modern | 946 | Horiguchi, Yu (1500) | Lost 0-2 | -181481 |
| 4modern | 1097 | Sakabe, Yuji (1484) | Won 2-1 | +181499 |
| 5modern | 1082 | Honda, Takeshi (1483) | Lost 0-2 | -181481 |
| 6modern | 1034 | Sonoda, Yosuke (1536) | Lost 1-2 | -171464 |
| average opponent: 1489record: 2-4 | new rating: 1464 | |||