Yokoyama, Akihiko
Current rating: 1466
Record: 1-3
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 116 | Kobayashi, Keisuke (1500) | Won 2-1 | +181518 |
| 2sealed | 237 | Koike, Yousuke (1520) | Lost 1-2 | -181500 |
| 3sealed | 501 | Ali, Nor Muhammad Syafiq (1502) | Lost 0-2 | -181482 |
| 4sealed | 434 | Niwa, Toshiharu (1591) | Lost 1-2 | -161466 |
| average opponent: 1528record: 1-3 | new rating: 1466 | |||