Okuyama, Takeshi
Current rating: 1520
Record: 4-3
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2139 | Kurihara, Mitsuaki (1516) | Won 2-0 | +181518 |
| 2sealed | 2224 | Okudera, Taichi (1623) | Lost 1-2 | -161502 |
| 3sealed | 2372 | Onishi, Hikaru (1540) | Won 2-0 | +191521 |
| 4sealed | 2277 | Iitsuka, Yuuki (1517) | Won 2-1 | +181539 |
| 5sealed | 2195 | Ohta, Shinji (1483) | Lost 1-2 | -191520 |
| 6sealed | 2183 | Shimada, Shohei (1518) | Won 2-0 | +181538 |
| 7sealed | 2122 | Kashiwagi, Souta (1550) | Lost 0-2 | -181520 |
| average opponent: 1535record: 4-3 | new rating: 1520 | |||