Shimazaki, Hirokazu
Current rating: 1538
Record: 8-7-1
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 611 | Terachi, Makoto (1500) | Won 2-0 | +171531 |
| 2sealed | 99 | Kamon, Noritoshi (1545) | Draw 1-1 | +11532 |
| 3sealed | 554 | Iiduka, Ryo (1519) | Won 2-0 | +171549 |
| 4sealed | 296 | Takeshita, Toru (1756) | Lost 1-2 | -141535 |
| 5sealed | 519 | Horage, Yuki (1513) | Lost 0-2 | -181517 |
| 6sealed | 677 | Mizuki, Shimojima (1502) | Lost 1-2 | -191498 |
| 7sealed | 620 | Suzuki, Yuuhei (1477) | Won 2-1 | +181516 |
| 8sealed | 466 | Shinohara, Gen 8933 (1740) | Won 2-1 | +221538 |
| average opponent: 1569record: 4-3-1 | new rating: 1538 | |||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 56 | Yamada, Tsutomu (1553) | Won 2-1 | +191519 |
| 2sealed | 226 | Maekawa, Kazumi (1536) | Lost 1-2 | -181501 |
| 3sealed | 692 | Yashiro, Hitoshi (1611) | Won 2-1 | +201521 |
| 4sealed | 425 | Hishida, Akinori (1474) | Lost 0-2 | -191502 |
| 5sealed | 850 | Yada, Kazuki (2013) | Won 2-1 | +271529 |
| 6sealed | 576 | Urasaki, Takayuki (1596) | Lost 1-2 | -171512 |
| 7sealed | 626 | Noguchi, Takeshi (1489) | Lost 1-2 | -181494 |
| 8sealed | 561 | Kawano, Toshifumi (1590) | Won 2-1 | +201514 |
| average opponent: 1608record: 4-4 | new rating: 1514 | |||