Yamaguchi, Tomomi
Current rating: 1526
Record: 3-2
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 73 | Murakami, Keisuke (1535) | Won 2-1 | +191519 |
| 2sealed | 123 | Takebayashi, Tomo (1616) | Won 2-1 | +191538 |
| 3sealed | 31 | Kodama, Hironori (1500) | Won 2-1 | +181556 |
| 4sealed | 15 | Takagi, Takayuki (1929) | Lost 0-2 | -121544 |
| 5sealed | 91 | Yoshida, Tomoyuki (1506) | Lost 0-2 | -181526 |
| average opponent: 1617record: 3-2 | new rating: 1526 | |||