Iwasaki, Atsushi
Current rating: 1400
Record: 4-10
| Grand Prix Yokohama 2019 (modern) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 43 | Haruyama, Hayato (1480) | Lost 1-2 | -181443 |
| 2modern | 966 | Juumonji, Ryou (1705) | Lost 1-2 | -131430 |
| 3modern | 1123 | Miake, Kyohei (1462) | Won 2-0 | +181448 |
| 4modern | 825 | Nagami, Youichi (1615) | Lost 1-2 | -151433 |
| 5modern | 1024 | Yamada, Ryo (1486) | Lost 1-2 | -171416 |
| 6modern | 925 | Suzuki, Yuga (1491) | Won 2-0 | +201436 |
| 7modern | 796 | Naito, Kakeru (1437) | Lost 0-2 | -181418 |
| 8modern | 692 | Iwaki, Yuta (1443) | Lost 0-2 | -181400 |
| average opponent: 1515record: 2-6 | new rating: 1400 | |||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 245 | Shimizu, Yuji (1500) | Lost 0-2 | -181482 |
| 2legacy | 802 | Kawada, Masahiro (1482) | Won 2-1 | +181500 |
| 3legacy | 776 | Ishimaru, Naoki (1499) | Lost 1-2 | -181482 |
| 4legacy | 961 | Hirano, Satohiro (1390) | Lost 0-2 | -201462 |
| 5legacy | 1081 | Yano, Keitarou (1334) | Won 2-1 | +161478 |
| 6legacy | 792 | Alascio Lopez, Jose Antonio (1523) | Lost 0-2 | -171461 |
| average opponent: 1455record: 2-4 | new rating: 1461 | |||