Ishii, Ryouki
Current rating: 1451
Record: 7-12
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 11 | Miyamoto, Yohei (1652) | Won 2-0 | +211484 |
| 4legacy | 115 | Sajgalik, Eduardo (2195) | Lost 0-2 | -71477 |
| 5legacy | 205 | Semba, Takashi (1543) | Lost 1-2 | -171460 |
| 6legacy | 319 | Matsuda, Issei (1587) | Won 2-0 | +211481 |
| 7legacy | 264 | Seo, Kenta (1677) | Lost 1-2 | -151466 |
| 8legacy | 278 | Takiguchi, Yuta (1617) | Lost 1-2 | -151451 |
| top | average opponent: 1712record: 2-4 | new rating: 1451 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 82 | Hasegawa, Hitoki (1500) | Won 2-1 | +191448 |
| 2legacy | 351 | Naritori, Takumi (1497) | Lost 0-2 | -171431 |
| 3legacy | 768 | Anderson, Kyle (1470) | Won 2-1 | +181449 |
| 4legacy | 672 | Kobayashi, Kazutaka (1664) | Won 2-1 | +221471 |
| 5legacy | 391 | Hashimoto, Hashi (1541) | Lost 0-2 | -161455 |
| 6legacy | 481 | Takahashi, Naoto (1516) | Lost 0-2 | -171438 |
| 7legacy | 689 | Shinagawa, Kazunari (1507) | Lost 0-2 | -171421 |
| 8legacy | 808 | Date, Tsutomu (1489) | Won 2-1 | +191440 |
| 9legacy | 661 | Sunada, Shougo (1686) | Won 2-1 | +231463 |
| top | average opponent: 1541record: 5-4 | new rating: 1463 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 90 | Kitao, Soujyu (1526) | Lost 0-2 | -161429 |
| top | record: 0-1 | new rating: 1429 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 786 | Homma, Akira (1500) | Lost 0-2 | -181482 |
| 2sealed | 1007 | Shimamura, Kazushige (1364) | Lost 1-2 | -201462 |
| 3sealed | 1071 | Lee, Yongjin (1531) | Lost 1-2 | -171445 |
| top | average opponent: 1465record: 0-3 | new rating: 1445 | ||