Yamagishi, Riki
Current rating: 1466
Record: 6-8
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 175 | Ishikawa, Akihumi (1349) | Lost 0-2 | -201441 |
| 2legacy | 383 | Ishiguro, Tetsuya (1473) | Lost 1-2 | -181423 |
| 3legacy | 659 | Sato, Masakazu (1500) | Lost 0-2 | -161407 |
| 4legacy | 643 | Hagiwara, Takurou (1382) | Won 2-1 | +171424 |
| 5legacy | 589 | Nishimura, Takuya (1499) | Won 2-0 | +201444 |
| 6legacy | 440 | Shimizu, Takeo (1471) | Won 2-1 | +181462 |
| 7legacy | 391 | Setsompop, Mingrerk (1594) | Won 2-1 | +211483 |
| 8legacy | 235 | Sohi, JP (1533) | Lost 1-2 | -171466 |
| average opponent: 1475record: 4-4 | new rating: 1466 | |||
| Grand Prix Kobe 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 370 | Akiba, Hiroyuki (1467) | Won 2-1 | +171517 |
| 2modern | 139 | Matsumoto, Masaya (1366) | Lost 1-2 | -201497 |
| 3modern | 1106 | Fujita, Shinpei (1500) | Lost 0-2 | -181479 |
| 4modern | 1151 | Yoshida, Sayaka (1485) | Lost 0-2 | -181461 |
| 5modern | 1152 | Yuki, Nakagawa 4066 (1463) | Won 2-0 | +181479 |
| 6modern | 1049 | Hashimoto, Kensuke (1482) | Lost 0-2 | -181461 |
| average opponent: 1460record: 2-4 | new rating: 1461 | |||