Koie, Kenya
Current rating: 1499
Record: 3-3
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 363 | Endo, Takatomo (1365) | Won 2-0 | +161516 |
| 2standard | 373 | Yamada, Mitsuhiro (1523) | Lost 0-2 | -181498 |
| 3standard | 842 | Tanaka, Fumiya 1717 (1463) | Won 2-0 | +171515 |
| 4standard | 715 | Kobari, Ryo (1517) | Won 2-0 | +181533 |
| 5standard | 372 | Inagaki, Yukihiro (1493) | Lost 0-2 | -191514 |
| 6standard | 499 | Higuchi, Akashi (1646) | Lost 0-2 | -151499 |
| average opponent: 1501record: 3-3 | new rating: 1499 | |||