Ishimoto, Souichirou
Current rating: 1484
Record: 2-3
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 34 | Hashimoto, Masato (1500) | Won 2-0 | +181518 |
| 2sealed | 64 | Suginaka, Takaaki (1465) | Lost 0-2 | -191499 |
| 3sealed | 98 | Suzuki, Akiyoshi (1519) | Won 2-0 | +181517 |
| 4sealed | 74 | Oks, Oliver (1695) | Lost 0-2 | -141503 |
| 5sealed | 125 | Deguchi, Koya (1497) | Lost 0-2 | -191484 |
| average opponent: 1535record: 2-3 | new rating: 1484 | |||