Ishikawa, Yuki
Current rating: 1474
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 652 | Hiwatashi, Yasurou (1560) | Lost 1-2 | -171442 |
| 2standard | 804 | Doi, Yuuta (1483) | Won 2-1 | +191461 |
| 3standard | 637 | Sato, Takatoshi (1861) | Won 2-0 | +251486 |
| 4standard | 782 | Saijo, Hayato (1515) | Won 2-0 | +191505 |
| 5standard | 471 | Yanagidate, Ikumi (1545) | Won 2-1 | +181523 |
| 6standard | 393 | Matsuura, Gen (1488) | Lost 1-2 | -181505 |
| 7standard | 527 | Murakami, Kazuya3837 (1771) | Lost 1-2 | -141491 |
| 8standard | 607 | Fujiwara, Kazuma9670 (1525) | Lost 0-2 | -171474 |
| top | average opponent: 1594record: 4-4 | new rating: 1474 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 263 | Makioka, Syuta (1500) | Won 2-1 | +191500 |
| 2modern | 537 | Kurokawa, Yuuki (1486) | Won 2-0 | +171517 |
| 3modern | 890 | Nishio, Yoshihiro (1323) | Lost 0-2 | -211496 |
| 4modern | 1237 | Watanabe, Takeshi 9875 (1480) | Lost 0-2 | -181478 |
| 5modern | 1050 | Matsubara, Shintaro (1545) | Lost 0-2 | -171461 |
| 6modern | 929 | Suzuki, Kiyofumi (1439) | Won 2-0 | +171478 |
| 7modern | 818 | Ono, Daisuke (1335) | Lost 1-2 | -201458 |
| 8modern | 847 | Takashima, Daisuke (1484) | Lost 0-2 | -181440 |
| 9modern | 794 | Furusawa, Moe (1456) | Won 2-0 | +191459 |
| top | average opponent: 1450record: 4-5 | new rating: 1459 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 22 | Hasegawa, Baku (1469) | Lost 1-2 | -191481 |
| 2legacy | 576 | Sakakura, Katsuya (1499) | Won 2-1 | +191500 |
| 3legacy | 868 | Fukunaga, Nao (1585) | Won 2-1 | +191519 |
| 4legacy | 447 | Henmi, Naoki (1514) | Lost 1-2 | -181501 |
| 5legacy | 745 | Tanigawa, Kenichirou (1412) | Won 2-0 | +171518 |
| 6legacy | 499 | Sugiyama, Fumikazu (1499) | Won 2-1 | +171535 |
| 7legacy | 413 | Nanamori, Kouhei (1650) | Lost 0-2 | -161519 |
| 8legacy | 679 | Ohori, Akihito (1439) | Lost 1-2 | -191500 |
| 9legacy | 568 | Yamaguchi, Tomohiro (1465) | Lost 1-2 | -191481 |
| top | average opponent: 1504record: 4-5 | new rating: 1481 | ||