Youhei O.,
Current rating: 1443
Record: 3-6
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 106 | Machida, Takatoshi (1369) | Lost 0-2 | -201480 |
| 2standard | 304 | Inoue, Makoto (1476) | Won 2-1 | +181498 |
| 3standard | 191 | Muraoka, Daiki (1464) | Lost 0-2 | -191479 |
| 4standard | 338 | Hikaru I., (1467) | Lost 0-2 | -181461 |
| 5standard | 306 | Yamazaki, Daisuke (1441) | Lost 0-2 | -191442 |
| 6standard | 302 | Takeuchi, Hidehito (1199) | Won 2-0 | +141456 |
| 7standard | 247 | Hayashi, Hiroki (1662) | Lost 1-2 | -141442 |
| 8standard | 206 | Nagase, Yuuichi (1447) | Won 2-0 | +181460 |
| 9standard | 163 | Sugisawa, Tsuyoshi (1530) | Lost 0-2 | -171443 |
| average opponent: 1451record: 3-6 | new rating: 1443 | |||