oomoto, toshio
Current rating: 1506
Record: 3-3
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 88 | Tokoro, Masanori (1500) | Won 2-1 | +181518 |
| 2standard | 19 | Se, Atsuo (1669) | Lost 0-2 | -151503 |
| 3standard | 140 | Matsumoto, Shou (1500) | Won 2-1 | +181521 |
| 4standard | 132 | Harino, Kengo (1518) | Won 2-0 | +181539 |
| 5standard | 104 | Matsumoto, Yuki1423 (1712) | Lost 0-2 | -151524 |
| 6standard | 151 | Maruyama, Kentarou (1554) | Lost 1-2 | -181506 |
| average opponent: 1575record: 3-3 | new rating: 1506 | |||