Nonaka, Jun
Current rating: 1500
Record: 2-2-1
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 257 | Aikawa, Shingo (1500) | Won 2-0 | +181518 |
| 2extended | 79 | Kinpara, Tsunahiro (1447) | Lost 0-2 | -191499 |
| 3extended | 318 | Tsukahara, Taika (1500) | Draw 1-1 | 01499 |
| 4extended | 325 | Nishio, Naoki (1501) | Won 2-1 | +181517 |
| 5extended | 229 | Sasaki, Yuusuke (Hyogo) (1580) | Lost 0-2 | -171500 |
| average opponent: 1506record: 2-2-1 | new rating: 1500 | |||