Ishihara, Kazuaki
Current rating: 1517
Record: 7-6
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 179 | Matsuoka, Shingo (1500) | Won 2-0 | +181518 |
| 2legacy | 2 | Tanabe, Kohei (1441) | Won 2-1 | +171535 |
| 3legacy | 47 | Uehara, Jin (1491) | Won 2-1 | +171552 |
| 4legacy | 90 | Furusawa, Reona (1437) | Lost 0-2 | -201532 |
| 5legacy | 126 | Sekimoto, Kandai (1740) | Won 2-1 | +211553 |
| 6legacy | 52 | Kimura, Tarou (1553) | Lost 1-2 | -181535 |
| 7legacy | 169 | Yoshino, Yorimoto (1522) | Lost 1-2 | -181517 |
| average opponent: 1526record: 4-3 | new rating: 1517 | |||
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 328 | Yamaguchi, Yuji (1446) | Lost 0-2 | -191481 |
| 2modern | 435 | Akabane, Shu (1445) | Won 2-1 | +171498 |
| 3modern | 434 | Yamaishi, Takuya (1474) | Won 2-1 | +181516 |
| 4modern | 343 | Aoyama, Katsuhiko (1526) | Lost 0-2 | -181498 |
| 5modern | 395 | Kinoshita, Daichi (1451) | Won 2-1 | +171515 |
| 6modern | 212 | Ishimaru, Ken (1666) | Lost 0-2 | -151500 |
| average opponent: 1501record: 3-3 | new rating: 1500 | |||