Soma, Kazuki
Current rating: 1464
Record: 4-6-2
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 60 | Sugama, Hideichi (1576) | Lost 0-2 | -161466 |
| 2sealed | 120 | Sakamoto, Takurou (1485) | Lost 1-2 | -181448 |
| 3sealed | 142 | Yamaguchi, Tetsuya (1496) | Won 2-1 | +191467 |
| 4sealed | 136 | Yao, Shunsuke (1476) | Won 2-1 | +181485 |
| 5sealed | 113 | Hirashima, Yuutarou (1344) | Lost 0-2 | -211464 |
| average opponent: 1475record: 2-3 | new rating: 1464 | |||
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 19 | Kadono, Takayuki (1464) | Draw 1-1 | -11499 |
| 2extended | 68 | Kamei, Shunsuke (1641) | Lost 0-2 | -151484 |
| 3extended | 96 | Nakamura, Kousuke (1419) | Lost 0-2 | -191465 |
| 4extended | 124 | Kake, Kenzou (1461) | Lost 0-2 | -181447 |
| 5extended | 121 | Tajiri, Jun (1466) | Won 2-1 | +181465 |
| 6extended | 103 | Nagae, Hiroyuki (1422) | Draw 1-1 | -11464 |
| 7extended | 93 | Hayashi, Tetsuya (1444) | Won 2-1 | +181482 |
| average opponent: 1474record: 2-3-2 | new rating: 1482 | |||