Niwa, Hiroki
Current rating: 1370
Record: 1-8
| Grand Prix Kobe 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 381 | Kawai, Reo (1500) | Lost 1-2 | -181482 |
| 2modern | 864 | Tanaka, Yuuki (1516) | Lost 1-2 | -171465 |
| 3modern | 1205 | Fujiwara, Syoudai (1462) | Lost 0-2 | -181447 |
| 4modern | 1299 | Fukushima, Masanori (1417) | Lost 1-2 | -191428 |
| 5modern | 1278 | Maniwa, Takahide (1424) | Lost 0-2 | -181410 |
| 6modern | 1217 | Yasuhiro, Yokota (1400) | Won 2-0 | +181428 |
| 7modern | 1091 | Obata, Kentaro (1429) | Lost 0-2 | -181410 |
| 8modern | 966 | Iitsuka, Satoshi (1385) | Lost 0-2 | -191391 |
| 9modern | 856 | Fujikawa, Takashi (1203) | Lost 0-2 | -211370 |
| average opponent: 1415record: 1-8 | new rating: 1370 | |||