Ishikawa, Kazuyoshi
Current rating: 1506
Record: 3-3
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2269 | Narukawa, Takaya (1511) | Won 2-0 | +181518 |
| 2sealed | 2172 | Naito, Yuuki (1446) | Lost 0-2 | -191499 |
| 3sealed | 2301 | Iitsuka, Satoshi (1500) | Won 2-1 | +181517 |
| 4sealed | 2304 | Suda, Kazuho (1504) | Won 2-0 | +181535 |
| 5sealed | 2142 | Wong, Wei Quan (1813) | Lost 1-2 | -131522 |
| 6sealed | 2252 | Anan, Go (1648) | Lost 1-2 | -161506 |
| average opponent: 1570record: 3-3 | new rating: 1506 | |||