Iwashima, Akinori
Current rating: 1444
Record: 1-4
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 958 | Kojima, Tsubasa (1500) | Lost 1-2 | -181482 |
| 2sealed | 972 | Toshida, Shin'ichi (1368) | Lost 1-2 | -201462 |
| 3sealed | 1087 | Ooi, Masaki (1464) | Lost 0-2 | -181444 |
| 4sealed | 1120 | Endo, Ken (1463) | Won 2-0 | +181462 |
| 5sealed | 1073 | Hatanaka, Yuta (1465) | Lost 0-2 | -181444 |
| average opponent: 1452record: 1-4 | new rating: 1444 | |||