Soma, Hiroyuki
Current rating: 1505
Record: 3-3
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 31 | Li, Ang 7880 (1479) | Won 2-0 | +181518 |
| 2sealed | 57 | Mitsuya, Teppei (1518) | Lost 1-2 | -181500 |
| 3sealed | 600 | Watanabe, Kazumasa (1500) | Won 2-1 | +181518 |
| 4sealed | 774 | Touma, Takahiro (1671) | Won 2-0 | +201538 |
| 5sealed | 421 | Nagasaki, Ryou (1583) | Lost 0-2 | -171521 |
| 6sealed | 394 | Izaki, Yuji (1627) | Lost 1-2 | -161505 |
| average opponent: 1563record: 3-3 | new rating: 1505 | |||