Akimoto, Koshi
Current rating: 1497
Record: 7-7-1
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 56 | Okamoto, Ichiro (1553) | Won 2-1 | +191494 |
| 2standard | 314 | Matsuzaki, Yuki (1501) | Won 2-0 | +181512 |
| 3standard | 91 | Suzuki, Kazuhiro 4218 (1626) | Lost 0-2 | -161496 |
| 4standard | 331 | Tanaka, Yu 6006 (1554) | Lost 1-2 | -171479 |
| 5standard | 638 | Shimizu, Takeo (1351) | Won 2-0 | +161495 |
| 6standard | 471 | Chou, Takayuki (1620) | Draw 1-1 | +21497 |
| average opponent: 1534record: 3-2-1 | new rating: 1497 | |||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1017 | Suzuki, Ryouta (1456) | Won 2-0 | +171517 |
| 2sealed | 704 | Arai, Ryo (1500) | Won 2-0 | +181535 |
| 3sealed | 732 | Adachi, Ryosuke (1333) | Lost 0-2 | -221513 |
| 4sealed | 929 | Sekine, Tadatoshi (1520) | Won 2-0 | +181531 |
| 5sealed | 801 | Goto, Takashi (1484) | Lost 0-2 | -181513 |
| 6sealed | 932 | Kokumai, Hirokazu (1468) | Lost 1-2 | -191494 |
| 7sealed | 870 | Sakai, Tomohiro (1432) | Lost 0-2 | -191475 |
| 8sealed | 1030 | Satou, Masaya (1416) | Won 2-1 | +171492 |
| 9sealed | 972 | Fujimoto, Katsuya (1557) | Lost 0-2 | -171475 |
| average opponent: 1463record: 4-5 | new rating: 1475 | |||