Kasuga, Hiroyuki
Current rating: 1482
Record: 2-3
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 241 | Kudo, Makoto (1500) | Won 2-1 | +181518 |
| 2sealed | 18 | Onodera, Yuuji (1518) | Lost 0-2 | -181500 |
| 3sealed | 233 | Horikawa, Hideaki (1525) | Lost 0-2 | -181482 |
| 4sealed | 275 | Kikuchi, Kazuya (1482) | Won 2-1 | +181500 |
| 5sealed | 237 | Aryabhima, Rahman (1501) | Lost 1-2 | -181482 |
| average opponent: 1505record: 2-3 | new rating: 1482 | |||