Oikawa, Kurumi
Current rating: 1482
Record: 3-4-1
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 397 | N., Satoshi (1500) | Lost 0-2 | -181482 |
| 2sealed | 311 | Kasahara, Koichi (1482) | Draw 1-1 | 01482 |
| 3sealed | 423 | Aoshima, Satoshi (1385) | Won 2-1 | +161498 |
| 4sealed | 337 | Suzuki, Tatsuya (1471) | Won 2-0 | +181516 |
| 5sealed | 229 | Take, Toshiharu (1508) | Won 2-1 | +181534 |
| 6sealed | 147 | Hamamoto, Yohei (1548) | Lost 1-2 | -181516 |
| 7sealed | 223 | Watanabe, Masaki (1454) | Lost 0-2 | -191497 |
| 8sealed | 330 | Ootsuka, Yuusuke (1669) | Lost 1-2 | -151482 |
| average opponent: 1502record: 3-4-1 | new rating: 1482 | |||