Iida, Ryotaro
Current rating: 1489
Record: 6-7
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 15 | Takakura, Eigo (1537) | Lost 0-2 | -191524 |
| 2pioneer | 472 | Yamamoto, Shinya (1590) | Lost 0-2 | -161508 |
| 3pioneer | 800 | Souri, Ryota (1464) | Lost 1-2 | -191489 |
| 4pioneer | 775 | Tamura, Hajime (1501) | Won 2-0 | +181507 |
| 5pioneer | 699 | Yoshikawa, Yuuki (1509) | Lost 0-2 | -181489 |
| average opponent: 1520record: 1-4 | new rating: 1489 | |||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 124 | Yoshimura, Naoto (1567) | Won 2-0 | +191519 |
| 2modern | 107 | Umezawa, Naoki (1454) | Won 2-0 | +171536 |
| 3modern | 83 | Shinkai, Yasuhiro (1569) | Won 2-1 | +191555 |
| 4modern | 131 | Wada, Yuki (1893) | Lost 0-2 | -121543 |
| 5modern | 360 | Nishimoto, Takuya (1615) | Lost 1-2 | -171526 |
| 6modern | 523 | Onishi, Kouhei (1427) | Won 2-1 | +161542 |
| 7modern | 218 | Shiraishi, Ryuji (1513) | Lost 0-2 | -181524 |
| 8modern | 443 | Yang, Jun-mo (1575) | Won 2-0 | +191543 |
| average opponent: 1577record: 5-3 | new rating: 1543 | |||