Ken S.,
Current rating: 1445
Record: 2-5
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 40 | Kawaguchi, Akifumi (1530) | Lost 1-2 | -171483 |
| 3standard | 169 | Nakamura, Tomohiko (1500) | Lost 1-2 | -181465 |
| 4standard | 322 | Shibano, Kouichirou (1481) | Lost 0-2 | -181447 |
| 5standard | 335 | Murata, Reishi (1463) | Won 2-0 | +181465 |
| 6standard | 255 | Kaneko, Yoshiyuki (1471) | Lost 1-2 | -171448 |
| 7standard | 236 | Yamasaki, Sadaharu (1287) | Won 2-0 | +151463 |
| 8standard | 190 | Kaga, Hiroyuki (1466) | Lost 1-2 | -181445 |
| average opponent: 1457record: 2-5 | new rating: 1445 | |||