yokoi, shinji
Current rating: 1486
Record: 2-3
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 9 | Hosoda, Shinya (1434) | Won 2-0 | +171517 |
| 2sealed | 95 | Suzuki, Nobuyoshi (1685) | Lost 0-2 | -151502 |
| 3sealed | 176 | Takahashi, Masaki (1438) | Lost 1-2 | -191483 |
| 4sealed | 265 | Chi, Tatsuya (1638) | Won 2-0 | +201503 |
| 5sealed | 208 | Nakamura, Atsushi (1553) | Lost 1-2 | -171486 |
| average opponent: 1550record: 2-3 | new rating: 1486 | |||