Kobayashi, Soyoka
Current rating: 1424
Record: 2-6
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 245 | Kitabayashi, Nobuyuki (1508) | Lost 1-2 | -181482 |
| 2sealed | 197 | Tobari, Eiichi (1481) | Lost 0-2 | -181464 |
| 3sealed | 278 | Tsuba, Yuuki (1380) | Lost 0-2 | -191445 |
| 4sealed | 306 | Ogiyama, Shuuji (1401) | Won 2-1 | +171462 |
| 5sealed | 253 | Tanabe, Kazuya (1261) | Lost 1-2 | -221440 |
| 6sealed | 223 | Mito, Mitsukuni (1522) | Won 2-0 | +201460 |
| 7sealed | 182 | Horie, Isamu (1485) | Lost 1-2 | -181442 |
| 8sealed | 147 | Fukuda, Naoya (1447) | Lost 0-2 | -181424 |
| average opponent: 1436record: 2-6 | new rating: 1424 | |||