Hatanaka, Natsuki
Current rating: 1464
Record: 3-5
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 352 | Yajima, Hiromichi (1500) | Lost 1-2 | -181482 |
| 2sealed | 843 | Katagiri, Shinichi (1555) | Lost 1-2 | -171465 |
| 3sealed | 1079 | Shishibori, Kohei (1463) | Won 2-1 | +181483 |
| 4sealed | 1060 | Sano, Masayo (1489) | Won 2-1 | +181501 |
| 5sealed | 773 | Ishizaka, Akira (1511) | Lost 0-2 | -171484 |
| 6sealed | 768 | Nakano, Kengo (1481) | Won 2-1 | +181502 |
| 7sealed | 628 | Yamamoto, Koki (1495) | Lost 1-2 | -191483 |
| 8sealed | 576 | Matsumura, Shinya (1410) | Lost 0-2 | -191464 |
| average opponent: 1488record: 3-5 | new rating: 1464 | |||