Shimada, Tubasa
Current rating: 1396
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 348 | Yoshimoto, Ryuya (1466) | Lost 0-2 | -171414 |
| 2standard | 749 | Sasaki, Hideya (1303) | Won 2-0 | +161430 |
| 3standard | 887 | Kondo, Hirotsugu (1363) | Lost 1-2 | -191411 |
| 4standard | 992 | Okada, Takuya 2317 (1530) | Won 2-1 | +201431 |
| 5standard | 726 | Nozawa, Yuusuke (1464) | Lost 1-2 | -181413 |
| 6standard | 867 | Saito, Eisuke (1428) | Lost 0-2 | -171396 |
| top | average opponent: 1426record: 2-4 | new rating: 1396 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 744 | Tsunoda, Satoshi (1368) | Won 2-1 | +161498 |
| 2sealed | 229 | Itou, Kouei (1793) | Lost 0-2 | -131485 |
| 3sealed | 1006 | Yasunaka, Shinichi (1493) | Lost 1-2 | -181467 |
| 4sealed | 1067 | Nakajima, Shunichi (1490) | Lost 1-2 | -171450 |
| 5sealed | 980 | Huang, Mu Kai (1416) | Lost 0-2 | -191431 |
| top | average opponent: 1512record: 1-4 | new rating: 1431 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 147 | Ura, Hikaru (1500) | Lost 0-2 | -181482 |
| top | record: 0-1 | new rating: 1482 | ||