Itaya, Tomohiro
Current rating: 1466
Record: 1-3
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 130 | Mito, Mitsukuni (1582) | Won 2-0 | +191519 |
| 2sealed | 98 | Baba, Yasunori (1574) | Lost 1-2 | -171502 |
| 3sealed | 157 | Ichikawa, Hiroshi (1500) | Lost 0-2 | -181484 |
| 4sealed | 248 | Hishida, Akinori (1484) | Lost 1-2 | -181466 |
| average opponent: 1535record: 1-3 | new rating: 1466 | |||