Sakamoto, Kentaro
Current rating: 1517
Record: 3-2-1
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 155 | Hagiwara, Takurou (1447) | Draw 1-1 | -11499 |
| 2sealed | 254 | Yamada, Shuusuke (1498) | Won 2-1 | +181517 |
| 3sealed | 229 | Takahashi, Jun (1426) | Won 2-0 | +161533 |
| 4sealed | 125 | Tawada, Naoto (1516) | Won 2-1 | +181551 |
| 5sealed | 58 | Fujii, Takashi (1658) | Lost 0-2 | -161535 |
| 6sealed | 143 | Mino, Tetsuya (1544) | Lost 0-2 | -181517 |
| average opponent: 1515record: 3-2-1 | new rating: 1517 | |||