Onda, Joji
Current rating: 1515
Record: 6-5
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 212 | Sasaki, Kazuo (1508) | Lost 1-2 | -181516 |
| 2sealed | 730 | Yoshimura, Satoshi (1483) | Won 2-1 | +171533 |
| 3sealed | 779 | Kunuki, Yousuke (1526) | Lost 0-2 | -181515 |
| average opponent: 1506record: 1-2 | new rating: 1515 | |||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 136 | Sasaki, Shun-Ichi (1561) | Won 2-1 | +191519 |
| 2modern | 446 | Moriya, Nobutoshi (1452) | Won 2-1 | +171536 |
| 3modern | 85 | Shinbo, Soutaro (1466) | Lost 0-2 | -191517 |
| 4modern | 443 | Akita, Naoto (1439) | Won 2-1 | +161533 |
| 5modern | 367 | Matsumura, Toshikazu (1631) | Lost 1-2 | -161517 |
| 6modern | 367 | Yanagawa, Tomohiro (1406) | Won 2-1 | +161533 |
| 7modern | 313 | Fukunaga, Keisuke (1638) | Won 2-0 | +201553 |
| 8modern | 275 | Egeyama, Tomoki (1516) | Lost 1-2 | -191534 |
| average opponent: 1514record: 5-3 | new rating: 1534 | |||