Yazaki, Hirotaka
Current rating: 1434
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1419 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 483 | Ito, Kazuhiro (1500) | Won 2-0 | +191438 |
| 2standard | 205 | Igeta, Hirofumi (1552) | Won 2-1 | +201458 |
| 3standard | 509 | Yoshizawa, Yutaka (1543) | Lost 1-2 | -161442 |
| 4standard | 835 | Syoriken, Kazuma (1628) | Won 2-0 | +211463 |
| 5standard | 552 | Sugiyama, Takahiro (1520) | Won 2-1 | +191482 |
| 6standard | 337 | Morita, Masayuki (1451) | Lost 0-2 | -191463 |
| 7standard | 344 | Kimura, Shigeki (1682) | Lost 1-2 | -141449 |
| 8standard | 544 | Ootani, Nobuhiro (1593) | Lost 0-2 | -151434 |
| top | average opponent: 1559record: 4-4 | new rating: 1434 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 604 | Masuda, Satoshi (1500) | Lost 0-2 | -171448 |
| 2legacy | 546 | Koike, Isao (1482) | Lost 1-2 | -181430 |
| 3legacy | 1083 | Kawamoto, Ryouhei (1364) | Won 2-1 | +171447 |
| 4legacy | 894 | Suzuki, Taito (1432) | Lost 1-2 | -181429 |
| 5legacy | 967 | Ukitsu, Yuuki (1463) | Won 2-0 | +181447 |
| 6legacy | 923 | Adachi, Yoshizumi (1468) | Lost 0-2 | -171430 |
| 7legacy | 937 | Shiroma, Hiroshi (1499) | Won 2-0 | +191449 |
| 8legacy | 725 | Nagano, Keita (1729) | Lost 0-2 | -131436 |
| 9legacy | 737 | Oohara, Seiya (1464) | Lost 1-2 | -171419 |
| top | average opponent: 1489record: 3-6 | new rating: 1419 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 219 | Matsushita, Kenichi (1534) | Won 2-0 | +191519 |
| 2sealed | 109 | Matsumoto, Hiroshi (1538) | Lost 0-2 | -181501 |
| 3sealed | 119 | Ohtsuka, Hayato (1446) | Won 2-0 | +171518 |
| 4sealed | 90 | Tanaka, Kazunori (1495) | Lost 1-2 | -181500 |
| 5sealed | 177 | Takeda, Hideo (1582) | Lost 0-2 | -171483 |
| 6sealed | 185 | Takahashi, Tomoo (1481) | Lost 1-2 | -181465 |
| top | average opponent: 1513record: 2-4 | new rating: 1465 | ||