Ishikawa, Kento
Current rating: 1423
Record: 5-9
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 209 | Kuramoto, Hiroki (1380) | Won 2-0 | +161496 |
| 2sealed | 484 | Kim Jin, Huancheng (1382) | Lost 1-2 | -201476 |
| 3sealed | 571 | Kawamoto, Takahiro (1486) | Lost 0-2 | -181458 |
| 4sealed | 998 | Hasegawa, Eita (1492) | Lost 0-2 | -171441 |
| 5sealed | 1031 | Tanimoto, Kazufumi (1408) | Lost 1-2 | -191422 |
| 6sealed | 976 | Miyazaki, Masato (1443) | Won 2-1 | +191441 |
| 7sealed | 838 | Hayashi, Katsuji (1445) | Lost 1-2 | -181423 |
| average opponent: 1434record: 2-5 | new rating: 1423 | |||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 779 | Ishizaka, Akira (1388) | Lost 0-2 | -201480 |
| 2sealed | 931 | Suyama, Takehiko (1475) | Won 2-1 | +181498 |
| 3sealed | 833 | U, Kashin (1562) | Lost 1-2 | -171481 |
| 4sealed | 873 | Ikeda, Mikitomo (1484) | Won 2-1 | +181499 |
| 5sealed | 665 | Ito, Tetsuya (1453) | Won 2-1 | +171516 |
| 6sealed | 629 | Maki, Yoshihito (1470) | Lost 0-2 | -191497 |
| 7sealed | 745 | Kitsunezuka, Masanori (1536) | Lost 0-2 | -171480 |
| average opponent: 1481record: 3-4 | new rating: 1480 | |||