Ooba, Yukio
Current rating: 1513
Record: 2-1
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 412 | Oosaki, Masakazu (1326) | Won 2-1 | +151515 |
| 2extended | 231 | Kamei, Kazuhiko (1469) | Won 2-1 | +171532 |
| 3extended | 55 | Izumi, Hikaru (1473) | Lost 0-2 | -191513 |
| average opponent: 1423record: 2-1 | new rating: 1513 | |||