Iwasaki, Keita
Current rating: 1416
Record: 2-7
| Grand Prix Yokohama 2019 (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 159 | Abe, Michio (1469) | Lost 0-2 | -181429 |
| 4modern | 486 | Shiraishi, Mitsuharu (1522) | Won 2-1 | +201449 |
| 5modern | 337 | Kawano, Naoto (1533) | Lost 1-2 | -161433 |
| 6modern | 585 | Yamada, Yusuke (1516) | Lost 0-2 | -171416 |
| average opponent: 1510record: 1-3 | new rating: 1416 | |||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 157 | Hieda, Ryu (1500) | Lost 1-2 | -181482 |
| 2legacy | 747 | Chiba, Shouhei (1441) | Lost 0-2 | -191463 |
| 3legacy | 1151 | Imazawa, Junpei (1437) | Won 2-1 | +181481 |
| 4legacy | 993 | Ikegami, Hiroshi (1483) | Lost 0-2 | -181463 |
| 5legacy | 1020 | Matsuyama, Satoshi (1586) | Lost 0-2 | -161447 |
| average opponent: 1489record: 1-4 | new rating: 1447 | |||