Hattori, Yoshiki
Current rating: 1490
| Grand Prix Chiba 2016 (legacy) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 375 | Satou, Hiroki (1451) | Draw 1-1 | 01459 |
| 2legacy | 513 | Goto, Takanari (1496) | Won 2-1 | +191478 |
| 3legacy | 606 | Setya, Steven Dirga (1761) | Lost 0-2 | -131465 |
| 4legacy | 805 | Kagoi, Yuki (1267) | Won 2-0 | +141479 |
| 5legacy | 552 | Kinugasa, Satoshi (1666) | Lost 1-2 | -151464 |
| 6legacy | 738 | Horiike, Shinya (1460) | Draw 1-1 | 01464 |
| 7legacy | 859 | Ishikawa, Hiraku (1497) | Won 2-1 | +191483 |
| 8legacy | 683 | Aoi, Ryuta (1520) | Won 2-0 | +191502 |
| 9legacy | 520 | Urase, Ryosuke (1841) | Lost 0-2 | -121490 |
| top | average opponent: 1551record: 4-3-2 | new rating: 1490 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 592 | Takeda, Yuki (1520) | Lost 1-2 | -171431 |
| 3standard | 1311 | Hasegawa, Ryota (1472) | Lost 0-2 | -171414 |
| 4standard | 1138 | Kawanami, Masao (1526) | Won 2-1 | +201434 |
| 5standard | 788 | Takahashi, Kazuyasu (1501) | Lost 1-2 | -171417 |
| 6standard | 1340 | Izumisawa, Ryo (1480) | Won 2-0 | +201437 |
| 7standard | 822 | Nakanishi, Kota (1391) | Won 2-1 | +171454 |
| 8standard | 580 | Tani, Chiharu (1649) | Won 2-0 | +211475 |
| 9standard | 504 | Miyasaka, Sho (1572) | Lost 0-2 | -161459 |
| top | average opponent: 1514record: 4-4 | new rating: 1459 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1023 | Kokubun, Takeshi (1639) | Lost 1-2 | -151485 |
| 2sealed | 1271 | Nakajima, Ryouma (1468) | Lost 0-2 | -191466 |
| 3sealed | 1305 | Ito, Yuki (1463) | Lost 0-2 | -181448 |
| top | average opponent: 1523record: 0-3 | new rating: 1448 | ||