Ishikawa, Takuma (Saitama)
Current rating: 1492
Record: 5-6
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 353 | Takahashi, Muneaki (1459) | Won 2-0 | +181498 |
| 2standard | 260 | Hirohata, Syo (1609) | Won 2-0 | +201518 |
| 3standard | 443 | Tonozaki, Hiroki (1517) | Won 2-0 | +181536 |
| 4standard | 216 | Usiro, Naoki (1662) | Lost 0-2 | -161520 |
| 5standard | 359 | Dorsey, Brooks (1683) | Lost 0-2 | -151505 |
| 6standard | 694 | Akiyama, Takashi (1800) | Lost 0-2 | -131492 |
| average opponent: 1622record: 3-3 | new rating: 1492 | |||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 556 | Yamada, Taichiro (1500) | Lost 0-2 | -181482 |
| 2legacy | 862 | Ueno, Hideto (1431) | Won 2-0 | +171499 |
| 3legacy | 764 | Murase, Motonori (1422) | Lost 0-2 | -191480 |
| 4legacy | 839 | Inoue, Hisashi (1479) | Won 2-0 | +181498 |
| 5legacy | 781 | Ootani, Nobuhiro (1526) | Lost 1-2 | -181480 |
| average opponent: 1472record: 2-3 | new rating: 1480 | |||