Iwamoto, Ryouma
Current rating: 1486
Record: 2-3
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 81 | Ushirosyouji, Takeshi (1441) | Won 2-0 | +171517 |
| 2sealed | 2 | Yamamoto, Takahiro (1467) | Lost 0-2 | -191498 |
| 3sealed | 130 | Tanaka, Ryouhei (1453) | Won 2-0 | +171515 |
| 4sealed | 74 | Omori, Tomoaki (1748) | Lost 0-2 | -141501 |
| 5sealed | 122 | Sutou, Takuo (1632) | Lost 0-2 | -151486 |
| average opponent: 1548record: 2-3 | new rating: 1486 | |||