Nishio, Naoki
Current rating: 1465
Record: 1-3-1
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 171 | Hattori, Yutaka (1500) | Won 2-1 | +181518 |
| 2extended | 222 | Mori, Genki (1481) | Draw 1-1 | -11517 |
| 3extended | 149 | Ishida, Hiroshi (1589) | Lost 0-2 | -161501 |
| 4extended | 325 | Nonaka, Jun (1499) | Lost 1-2 | -181483 |
| 5extended | 389 | Tanaka, Yousuke (Tokyo (1481) | Lost 0-2 | -181465 |
| average opponent: 1510record: 1-3-1 | new rating: 1465 | |||