Shirahama, Naoki
Current rating: 1462
Record: 1-3
| Grand Prix Kobe 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 7 | Ikeda, Naoto (1364) | Won 2-1 | +161516 |
| 2extended | 88 | Shiota, Yuuma (1569) | Lost 0-2 | -171499 |
| 3extended | 168 | Nagase, Shougo (1447) | Lost 0-2 | -191480 |
| 4extended | 235 | Shimizu, Kyouji (1483) | Lost 1-2 | -181462 |
| average opponent: 1465record: 1-3 | new rating: 1462 | |||