Iwamoto, Kazuhiro
Current rating: 1430
Record: 2-6
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 19 | Suzumura, Tatsurou (1464) | Lost 0-2 | -171428 |
| 2sealed | 124 | Kawasaki, Shingo (1480) | Won 2-0 | +191447 |
| 3sealed | 122 | Ookawa, Noritsugu (1450) | Won 2-0 | +181465 |
| 4sealed | 93 | Uchida, Momotarou (1515) | Lost 0-2 | -171448 |
| 5sealed | 100 | Hitomi, Masaaki (1485) | Lost 1-2 | -181430 |
| average opponent: 1479record: 2-3 | new rating: 1430 | |||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 135 | Nagatomi, Hidetoshi (1500) | Lost 0-2 | -181482 |
| 2standard | 263 | Seki, Keita (1494) | Lost 0-2 | -181464 |
| 3standard | 347 | Yokoyama, Mitsunori (1418) | Lost 1-2 | -191445 |
| average opponent: 1470record: 0-3 | new rating: 1445 | |||