Kamioka, Yoshihiro
Current rating: 1555
Record: 10-8-1
| Grand Prix Yokohama 2010 (extended) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 190 | Yokoyama, Kento (1500) | Won 2-0 | +181499 |
| 2extended | 120 | Satou, Kensuke (1518) | Won 2-1 | +191518 |
| 3extended | 89 | Yamano, Tatsuto (1386) | Lost 1-2 | -211497 |
| 4extended | 208 | Sashida, Tomoro (1517) | Draw 1-1 | +11498 |
| 5extended | 222 | Miyasita, Naoyuki (1519) | Won 2-0 | +181516 |
| 6extended | 137 | Satou, Shinnosuke (1535) | Won 2-1 | +181534 |
| 7extended | 87 | Kishida, Hirokazu (1612) | Won 2-0 | +201554 |
| 8extended | 126 | Murakami, Yuuki (Miyagi) (1815) | Won 2-0 | +221576 |
| 9extended | 31 | West, Alexander (1866) | Won 2-1 | +241600 |
| 10extended | 16 | Tsuba, Yuuki (1521) | Won 2-0 | +161616 |
| 11extended | 9 | Iyanaga, Junya (1902) | Lost 0-2 | -131603 |
| 12extended | 25 | Itou, Motoaki (1634) | Lost 0-2 | -171586 |
| 13extended | 38 | Aridome, Tomohiro (1750) | Lost 1-2 | -151571 |
| 14extended | 49 | Yotsumoto, Yuki (1694) | Lost 0-2 | -161555 |
| average opponent: 1626record: 8-5-1 | new rating: 1555 | |||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Suzuki, Fumito (1525) | Lost 1-2 | -181482 |
| 2sealed | 211 | Eguchi, Hiroshi (1460) | Won 2-0 | +181500 |
| 3sealed | 188 | Watabe, Kazunori (1402) | Lost 0-2 | -201480 |
| 4sealed | 286 | Araki, Youhei (1512) | Lost 0-2 | -171463 |
| 5sealed | 269 | Takano, Hayato (1463) | Won 2-1 | +181481 |
| average opponent: 1473record: 2-3 | new rating: 1481 | |||