Ooyama, Ryou
Current rating: 1520
Record: 5-4
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 239 | Itou, Yusuke (1550) | Lost 0-2 | -171483 |
| 2extended | 428 | Katoh, Daisuke (1482) | Lost 0-2 | -181465 |
| 3extended | 464 | Noda, Akihiro (1461) | Lost 0-2 | -181447 |
| 4extended | 480 | Takibana, Hitoshi (1448) | Won 2-0 | +181465 |
| 5extended | 412 | Sato, Shinichi (1540) | Won 2-1 | +191484 |
| 6extended | 324 | Amino, Kaoru (1498) | Won 2-0 | +181502 |
| 7extended | 257 | Kobayashi, Tatsuumi (1507) | Lost 0-2 | -171485 |
| 8extended | 104 | Mochizuki, Kazuhiro (1467) | Won 2-1 | +171502 |
| 9extended | 138 | Ohshiba, Atsushi (1499) | Won 2-0 | +181520 |
| average opponent: 1495record: 5-4 | new rating: 1520 | |||