Yamazaki, Hiroto
Current rating: 1524
Record: 4-3
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 628 | Saito, Daisuke 0873 (1562) | Won 2-0 | +191519 |
| 2sealed | 75 | Yasu, Ryotaro (1653) | Lost 0-2 | -151504 |
| 3sealed | 575 | Tanabe, Taku (1453) | Won 2-0 | +171521 |
| 4sealed | 399 | Tsuzaki, Akira (1582) | Lost 0-2 | -171504 |
| 5sealed | 638 | Noji, Koichiro (1442) | Won 2-0 | +171521 |
| 6sealed | 457 | Hirabayashi, Kazuya (1773) | Won 2-1 | +221543 |
| 7sealed | 380 | Takeichi, Yugo (1488) | Lost 0-2 | -191524 |
| average opponent: 1565record: 4-3 | new rating: 1524 | |||