Ninagawa, Hidetoshi
Current rating: 1448
Record: 6-9
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 184 | Kawase, Yasuharu (1500) | Won 2-1 | +191499 |
| 2sealed | 275 | Sakamoto, Akatoki (1516) | Lost 1-2 | -181481 |
| 3sealed | 882 | Narisawa, Takuya (1506) | Lost 0-2 | -171464 |
| 4sealed | 904 | Oh, Asato (1524) | Won 2-1 | +191483 |
| 5sealed | 596 | Kozaki, Yosuke (1593) | Lost 1-2 | -161467 |
| 6sealed | 975 | Watanabe, Yuta9087 (1448) | Lost 1-2 | -191448 |
| average opponent: 1514record: 2-4 | new rating: 1448 | |||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 257 | Matsuzaki, Akihiro (1445) | Lost 1-2 | -191481 |
| 2sealed | 240 | Kamada, Kosuke (1538) | Won 2-0 | +191500 |
| 3sealed | 192 | Komatsu, Takashi (1452) | Lost 0-2 | -191481 |
| 4sealed | 339 | Fujii, Ami (1365) | Won 2-1 | +161497 |
| 5sealed | 205 | Machida, Takatoshi (1539) | Lost 1-2 | -171480 |
| 6sealed | 285 | Takahashi(aichi), Masa (1480) | Won 2-0 | +181498 |
| 7sealed | 223 | Matsumoto, Shou (1578) | Lost 1-2 | -171481 |
| 8sealed | 206 | Matsuo, Shuto (1482) | Won 2-0 | +181499 |
| 9sealed | 149 | Yamada, Yuta (1452) | Lost 0-2 | -191480 |
| average opponent: 1481record: 4-5 | new rating: 1480 | |||