Nagumo, Ryo
Current rating: 1532
Record: 8-6
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 90 | Kurokawa, Shutaro (1500) | Lost 0-2 | -181482 |
| 2modern | 332 | Hayata, Shogo (1482) | Lost 0-2 | -181464 |
| 3modern | 495 | Miyazaki, Kazuyuki (1181) | Won 2-0 | +131477 |
| 4modern | 415 | Ishii, Takeshi (1482) | Won 2-0 | +181495 |
| 5modern | 271 | Itou, Takanori (1567) | Won 2-1 | +201515 |
| 6modern | 227 | Tang, Yu Hsiang (1462) | Won 2-1 | +171532 |
| 7modern | 145 | Oikawa, Hakudou (1540) | Won 2-0 | +181550 |
| 8modern | 149 | Hisano, Mikita (1535) | Lost 1-2 | -181532 |
| average opponent: 1469record: 5-3 | new rating: 1532 | |||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 54 | Yamamoto, Yuusuke (1500) | Won 2-1 | +181518 |
| 2modern | 235 | Satou, Akihiko (1616) | Won 2-0 | +201538 |
| 3modern | 186 | Takahira, Shunsuke (1501) | Lost 0-2 | -191519 |
| 4modern | 259 | Hatta, Tetsuya (1492) | Lost 0-2 | -181501 |
| 5modern | 550 | Harasawa, Takashi (1504) | Won 2-1 | +181519 |
| 6modern | 296 | Tokizaki, Takahiro (1500) | Lost 1-2 | -191500 |
| average opponent: 1519record: 3-3 | new rating: 1500 | |||