Akamatsu, Sei
Current rating: 1613
Record: 10-4-1
| Grand Prix Chiba 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 317 | Watanabe, Ryouta3802 (1500) | Won 2-0 | +181518 |
| 2legacy | 301 | Kan, Masanori (1483) | Won 2-1 | +171535 |
| 3legacy | 446 | Obara, Hiroyuki (1535) | Won 2-0 | +181553 |
| 4legacy | 211 | Baek, Namil (1517) | Lost 1-2 | -181535 |
| 5legacy | 446 | Higuchi, Yuma (1552) | Lost 1-2 | -181517 |
| 6legacy | 1 | Kawasaki, Hikaru (1517) | Won 2-1 | +181535 |
| 7legacy | 241 | Okada, Takuma (1573) | Won 2-1 | +191554 |
| 8legacy | 191 | Takahashi, Masakazu (1550) | Won 2-1 | +181572 |
| 9legacy | 149 | Koike, Yuta (1622) | Lost 1-2 | -171555 |
| 10legacy | 231 | Ishiyama, Teru (1556) | Draw 1-1 | 01555 |
| 11legacy | 266 | Zhang, Xuan (1475) | Won 2-0 | +161571 |
| 12legacy | 177 | Washimi, Kazuo (1689) | Won 2-1 | +201591 |
| 13legacy | 121 | Suzuki, Shouta (1736) | Won 2-0 | +211612 |
| 14legacy | 77 | Suzuki, Takuto (1700) | Lost 0-2 | -171595 |
| 15legacy | 129 | Kawara, Hiroshi (1550) | Won 2-0 | +181613 |
| average opponent: 1570record: 10-4-1 | new rating: 1613 | |||