O., Hiroki
Current rating: 1523
Record: 4-3
| Grand Prix Kobe 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 133 | Oshima, Takafumi (1500) | Won 2-0 | +181518 |
| 2extended | 73 | Masuyama, Takuya (1468) | Won 2-1 | +171535 |
| 3extended | 12 | Harano, Takahiro (1554) | Won 2-0 | +181553 |
| 4extended | 77 | Tsujimoto, Susumu (1560) | Lost 1-2 | -171536 |
| 5extended | 120 | Kawabata, Yuji (1537) | Lost 1-2 | -181518 |
| 6extended | 178 | Furukawa, Kazuya (1557) | Won 2-1 | +181536 |
| 7extended | 108 | Ino, Kentaro (1818) | Lost 0-2 | -131523 |
| average opponent: 1571record: 4-3 | new rating: 1523 | |||