Isama, Rou
Current rating: 1531
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 96 | Tezuka, Takatomo (1474) | Won 2-1 | +171532 |
| 2sealed | 47 | Leidig, Andreas (1519) | Lost 0-2 | -181514 |
| 3sealed | 1013 | Koide, Takashi (1499) | Won 2-0 | +181532 |
| 4sealed | 780 | Wada, Kazunori (1572) | Won 2-0 | +191551 |
| 5sealed | 230 | Nishimura, Hitoshi (1472) | Won 2-0 | +161567 |
| 6sealed | 180 | Takao, Akinao (1639) | Lost 1-2 | -171550 |
| 7sealed | 429 | Kondo, Hirotsugu (1486) | Lost 1-2 | -191531 |
| top | average opponent: 1523record: 4-3 | new rating: 1531 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 93 | Akada, Yasunori (1599) | Lost 0-2 | -181557 |
| 2sealed | 385 | Sakano, Shuichi (1487) | Lost 0-2 | -191538 |
| 3sealed | 506 | Matsushita, Tokuo (1431) | Won 2-0 | +161554 |
| 4sealed | 372 | Mizutani, Takuya (1481) | Lost 0-2 | -191535 |
| 5sealed | 419 | Yatsu, Tomoki (1447) | Lost 0-2 | -201515 |
| top | average opponent: 1489record: 1-4 | new rating: 1515 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 775 | Mitsumori, Nobuhiro (1487) | Lost 0-2 | -181482 |
| 2sealed | 1078 | Yoshida, Yusuke (1482) | Won 2-0 | +181500 |
| 3sealed | 1071 | Misono, Hideyoshi (1479) | Won 2-1 | +171517 |
| 4sealed | 828 | Inabu, Yota (1642) | Won 2-1 | +211538 |
| 5sealed | 829 | Nagami, Youichi (1678) | Won 2-0 | +201558 |
| 6sealed | 772 | Kimonji, Hiroki (1494) | Lost 0-2 | -191539 |
| 7sealed | 765 | Yamaji, Shunichi (1575) | Won 2-0 | +191558 |
| 8sealed | 902 | Naito, Shinya (1556) | Won 2-1 | +181576 |
| 9sealed | 903 | Noge, Hayata (1548) | Won 2-0 | +171593 |
| 10sealed | 129 | Iwasawa, Fumiya (1570) | Lost 0-2 | -181575 |
| top | average opponent: 1551record: 7-3 | new rating: 1575 | ||