Akiba, Takafumi
Current rating: 1426
Record: 0-4
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 59 | Kiuchi, Makoto (1490) | Lost 0-2 | -171444 |
| 2standard | 1247 | Koshi, Takuma (1482) | Lost 0-2 | -181426 |
| average opponent: 1486record: 0-2 | new rating: 1426 | |||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2029 | Shindo, Yoshiya (1385) | Lost 0-2 | -201480 |
| 2sealed | 2403 | Nakayama, Makoto (1432) | Lost 0-2 | -191461 |
| average opponent: 1409record: 0-2 | new rating: 1461 | |||