Iwata, Jun
Current rating: 1535
Record: 5-3
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 58 | Tamura, Munetsugu (1482) | Won 2-0 | +181518 |
| 2sealed | 130 | Otomo, Akihiro (1518) | Lost 1-2 | -181500 |
| 3sealed | 218 | Koshida, Takafumi (1498) | Lost 1-2 | -181482 |
| 4sealed | 254 | Tanaka, Tetsu (1482) | Won 2-0 | +181500 |
| 5sealed | 172 | Sakaki, Takayoshi (1501) | Won 2-0 | +181518 |
| 6sealed | 128 | Yagi, Wataru (1481) | Lost 0-2 | -191499 |
| 7sealed | 126 | Kohata, Kengo (1500) | Won 2-1 | +181517 |
| 8sealed | 99 | Toochika, Takayuki (1521) | Won 2-0 | +181535 |
| average opponent: 1498record: 5-3 | new rating: 1535 | |||