Kawahara, Naoki
Current rating: 1466
Record: 1-3
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 346 | Leong, Sio Chi (1659) | Lost 0-2 | -151485 |
| 2sealed | 770 | Nakano, Makoto (1359) | Won 2-1 | +161501 |
| 3sealed | 727 | Tani, Syuto (1519) | Lost 0-2 | -181483 |
| 4sealed | 1079 | Mogaki, Masaharu (1530) | Lost 1-2 | -171466 |
| average opponent: 1517record: 1-3 | new rating: 1466 | |||