Iwata, Masayuki
Current rating: 1460
Record: 1-3
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 248 | Hatakeyama, Dai (1500) | Lost 1-2 | -181482 |
| 2standard | 774 | Gao, Junmin (1483) | Lost 0-2 | -181464 |
| 3standard | 1087 | Doi, Yuuta (1464) | Lost 0-2 | -181446 |
| 4standard | 1072 | Shibue, Takahiro (1245) | Won 2-0 | +141460 |
| average opponent: 1423record: 1-3 | new rating: 1460 | |||