Kittaka, Toshiaki
Current rating: 1500
Record: 7-7-1
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3 | Tatsuhara, Satoshi (1516) | Won 2-0 | +171536 |
| 2sealed | 91 | Takagi, Takeshi (1660) | Lost 1-2 | -151521 |
| 3sealed | 93 | Sugiura, Kiyohiro (1476) | Won 2-0 | +171538 |
| 4sealed | 89 | Hirayama, Atsushi (1523) | Lost 0-2 | -181520 |
| 5sealed | 110 | Tsuji, Mariko (1506) | Draw 1-1 | -11519 |
| 6sealed | 114 | Morishita, Taiki (1490) | Lost 0-2 | -181501 |
| 7sealed | 78 | Inoue, Masashi(Okayama) (1453) | Won 2-0 | +171518 |
| 8sealed | 84 | Murayama, Terukazu (1512) | Lost 0-2 | -181500 |
| average opponent: 1517record: 3-4-1 | new rating: 1500 | |||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 14 | Oki, Motohiro (1500) | Lost 0-1 | -181482 |
| 2sealed | 163 | Kawate, Makoto (1482) | Won 2-0 | +181500 |
| 3sealed | 96 | Higashi, Teppei (1500) | Won 2-0 | +181518 |
| 4sealed | 97 | Miyasaka, Takeshi (1541) | Lost 1-2 | -181500 |
| 5sealed | 136 | Kris, Takashi (1486) | Won 2-1 | +181518 |
| 6sealed | 93 | Nakano, Yoshitaka (1540) | Lost 0-2 | -171501 |
| 7sealed | 102 | Nakai, Hitoshi (1500) | Won 2-0 | +181519 |
| average opponent: 1507record: 4-3 | new rating: 1519 | |||