Shibasaki, Jun
Current rating: 1481
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 221 | Nakazato, Yuta (1500) | Lost 1-2 | -191503 |
| 2sealed | 778 | Iwabuchi, Sou (1390) | Lost 0-2 | -201483 |
| 3sealed | 1058 | Ito, Koichi (1360) | Won 2-0 | +161499 |
| 4sealed | 884 | Kaga, Hiroyuki (1506) | Lost 1-2 | -181481 |
| top | average opponent: 1439record: 1-3 | new rating: 1481 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 607 | Sato, Koichiro (1533) | Won 2-1 | +171556 |
| 2standard | 362 | Lee, Gyuwon (1518) | Lost 0-2 | -181538 |
| 3standard | 859 | Fukuyama, Kyohei (1500) | Lost 1-2 | -191519 |
| 4standard | 848 | Tatebe, Takayuki (1420) | Won 2-0 | +161535 |
| 5standard | 784 | Takagi, Takayuki (1773) | Lost 0-2 | -131522 |
| top | average opponent: 1549record: 2-3 | new rating: 1522 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 448 | Kobayashi, Kenta (1349) | Won 2-0 | +151515 |
| 2sealed | 189 | Koike, Tomoyuki (1460) | Won 2-0 | +171532 |
| 3sealed | 362 | Matsuda, Yuuki1037 (1731) | Lost 0-2 | -141518 |
| 4sealed | 556 | Shirakawa, Hiroaki (1477) | Won 2-0 | +171535 |
| 5sealed | 174 | Shinohara, Takahiro (1459) | Won 2-1 | +171552 |
| 6sealed | 113 | Chan, Teksang (1600) | Lost 1-2 | -171535 |
| 7sealed | 498 | Mituyasu, Yuki (1670) | Won 2-1 | +201555 |
| 8sealed | 232 | Umeyama, Yuuichi (1637) | Lost 1-2 | -161539 |
| top | average opponent: 1548record: 5-3 | new rating: 1539 | ||