Sakamoto, Akihito
Current rating: 1606
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 263 | Seki, Kentaro (1551) | Lost 0-2 | -191540 |
| 2standard | 445 | Katsuyama, Youhei (1484) | Won 2-1 | +171557 |
| 3standard | 580 | Chikusa, Shinya (1533) | Won 2-0 | +181575 |
| 4standard | 323 | Yamada, Yoshitaka (1433) | Lost 1-2 | -211554 |
| 5standard | 640 | Hieda, Ryu (1590) | Won 2-0 | +191573 |
| 6standard | 310 | Nakae, Kazusi (1527) | Won 2-0 | +171590 |
| 7standard | 376 | Hagi, Shogo (1555) | Draw 1-1 | 01590 |
| 8standard | 274 | Takada, Narumasa (1518) | Won 2-1 | +161606 |
| top | average opponent: 1524record: 5-2-1 | new rating: 1606 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 577 | Takahashi, Tomoki (1506) | Won 2-1 | +181510 |
| 2sealed | 319 | Kondou, Masaru (1672) | Won 2-0 | +211531 |
| 3sealed | 30 | Zhang, Yi 1971 (1542) | Lost 0-2 | -181513 |
| 4sealed | 360 | Mitsunaga, Yuki (1627) | Won 2-0 | +201533 |
| 5sealed | 435 | Ishihara, Koji (1597) | Won 2-0 | +201553 |
| 6sealed | 128 | Muryoya, Suguru (1557) | Won 2-0 | +181571 |
| 7sealed | 131 | Oshimi, Akira (1541) | Won 2-1 | +171588 |
| 8sealed | 26 | Nagai, Mamoru (1831) | Lost 1-2 | -141574 |
| 9sealed | 94 | Inoue, Kohey (1637) | Won 2-1 | +201594 |
| 10draft | 33 | Okamura, Marei (1558) | Lost 0-2 | -191575 |
| 11draft | 31 | Takahashi, Osamu (1613) | Lost 0-2 | -171558 |
| 12draft | 32 | Henmi, Ryuji (1654) | Lost 1-2 | -171541 |
| 13draft | 50 | Kawamura, Naoki (1475) | Won 2-1 | +171558 |
| 14draft | 47 | Nishii, Taku (1582) | Won 2-0 | +191577 |
| 15draft | 37 | Kowata, Kyohei (1577) | Lost 0-2 | -181559 |
| top | average opponent: 1598record: 9-6 | new rating: 1559 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4modern | 51 | Kamiya, Shougo (1517) | Won 2-0 | +181518 |
| 5modern | 14 | Furuta, Yoshifuyu (1747) | Lost 0-2 | -141504 |
| 6modern | 168 | Kouno, Youichi (1554) | Won 2-0 | +191523 |
| 7modern | 114 | Kou, Changsu (1725) | Lost 1-2 | -141509 |
| 8modern | 153 | Miyazaki, Kodai (1561) | Lost 1-2 | -171492 |
| top | average opponent: 1621record: 2-3 | new rating: 1492 | ||