Iwahashi, Yuuki
Current rating: 1463
Record: 4-6
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 13 | Takayama, Ryou (1548) | Won 2-1 | +191502 |
| 2extended | 26 | Takakura, Takeshi (1470) | Lost 1-2 | -191483 |
| 3extended | 59 | Kawate, Junpei (1501) | Won 2-0 | +191502 |
| 4extended | 72 | Kubo, Tadayoshi (1492) | Lost 0-2 | -191483 |
| 5extended | 70 | Hosaka, Wataru (1408) | Lost 1-2 | -191464 |
| 6extended | 93 | Honda, Masaya (1480) | Won 2-1 | +181482 |
| 7extended | 74 | Yamasaki, Sadaharu (1397) | Lost 1-2 | -191463 |
| average opponent: 1471record: 3-4 | new rating: 1463 | |||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 179 | Yamasaki, Sadaharu (1500) | Lost 0-2 | -181482 |
| 2sealed | 165 | Miyahara, Naoaki (1482) | Won 2-0 | +181500 |
| 3sealed | 76 | Abe, Ryou (1531) | Lost 1-2 | -171483 |
| average opponent: 1504record: 1-2 | new rating: 1483 | |||