Oumi, Syuntaro
Current rating: 1557
Record: 7-5-1
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 168 | Koizumi, Mio (1521) | Won 2-0 | +181508 |
| 3sealed | 223 | Horiuchi, Makoto (1546) | Won 2-0 | +191527 |
| 4sealed | 50 | Kashima, Akihiro (1588) | Lost 0-2 | -171510 |
| 5sealed | 161 | Oomine, Masamichi (1491) | Won 2-1 | +181528 |
| 6sealed | 115 | Ding, Yi (1653) | Lost 0-2 | -161512 |
| 7sealed | 118 | Kirito, Keisuke (1660) | Draw 1-1 | +31515 |
| 8sealed | 150 | Itou, Motoaki (1663) | Won 2-1 | +201535 |
| 9sealed | 102 | Hoshino, Yohei (1751) | Won 2-1 | +221557 |
| average opponent: 1609record: 5-2-1 | new rating: 1557 | |||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 91 | Yamaguchi, Tomoyuki (1597) | Won 2-1 | +201520 |
| 4sealed | 70 | Yamane, Yuuki (1492) | Won 2-0 | +171537 |
| 5sealed | 13 | Ogata, Ryohei (1572) | Lost 1-2 | -171520 |
| 6sealed | 112 | Murase, Hiroshi (1790) | Lost 0-2 | -131507 |
| 7sealed | 167 | Yamasaki, Shogo (1552) | Lost 0-2 | -171490 |
| average opponent: 1601record: 2-3 | new rating: 1490 | |||