Sonoda, Shouhei
Current rating: 1438
Record: 4-8
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 470 | Saito, Yasushi (1500) | Won 2-1 | +191451 |
| 2sealed | 153 | Tanaka, Yuusaku (1432) | Won 2-0 | +181469 |
| 3sealed | 171 | Yoshida, Kenichiro (1471) | Won 2-1 | +181487 |
| 4sealed | 93 | Kobayashi, Ryohei (1661) | Lost 0-2 | -151472 |
| 5sealed | 225 | Tachibana, Korechika (1406) | Lost 0-2 | -191453 |
| 6sealed | 445 | Iwatsuki, Takanori (1522) | Lost 0-2 | -171436 |
| 7sealed | 669 | Iijima, Satoshi (1497) | Won 2-0 | +191455 |
| 8sealed | 403 | Tamano, Yuuki (1486) | Lost 1-2 | -171438 |
| average opponent: 1497record: 4-4 | new rating: 1438 | |||
| Grand Prix Kobe 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 232 | Okamoto, Keita (1691) | Lost 1-2 | -151485 |
| 4modern | 572 | Matsumoto, Shou (1513) | Lost 0-2 | -171468 |
| 5modern | 1064 | Inoue, Masanao (1517) | Lost 1-2 | -171451 |
| 6modern | 1137 | Wen, Wei-Hsun (1416) | Lost 0-2 | -191432 |
| average opponent: 1534record: 0-4 | new rating: 1432 | |||