Shiotani, Koichi
Current rating: 1499
Record: 3-3
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 618 | Oki, Takashi (1500) | Lost 1-2 | -181482 |
| 2standard | 908 | Komatsu, Yuuhei (1481) | Won 2-1 | +181500 |
| 3standard | 651 | Kiyota, Syouhei (1452) | Lost 0-2 | -191481 |
| 4standard | 929 | Mizuno, Shiori (1404) | Won 2-1 | +171498 |
| 5standard | 797 | Fujii, Takehiro (1521) | Won 2-0 | +181516 |
| 6standard | 736 | Biaggi, Andrea (1558) | Lost 0-2 | -171499 |
| average opponent: 1486record: 3-3 | new rating: 1499 | |||