Ooya, Akihiro
Current rating: 1453
Record: 1-4-1
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 29 | Ishihara, Takashi (1738) | Lost 0-2 | -141486 |
| 2standard | 297 | Nishimura, Noboru (1511) | Draw 1-1 | +11487 |
| 3standard | 263 | Ito, Tomoki (1545) | Lost 1-2 | -171470 |
| 4standard | 362 | Miyazaki, Shouta (1443) | Lost 0-2 | -191451 |
| 5standard | 343 | Ashikaga, Masatoshi (1518) | Lost 1-2 | -171434 |
| 6standard | 306 | Saeki, Masayuki (1443) | Won 2-0 | +191453 |
| average opponent: 1533record: 1-4-1 | new rating: 1453 | |||