Sotodate, Eikichi
Current rating: 1539
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 187 | Kozai, Tomonori (1577) | Won 2-1 | +191536 |
| 2sealed | 547 | Konta, Takumi (1540) | Won 2-0 | +181554 |
| 3sealed | 123 | Izumisawa, Ryo (1530) | Won 2-1 | +181572 |
| 4sealed | 32 | Kakimoto, Yuki (1476) | Lost 0-2 | -201552 |
| 5sealed | 320 | Nagami, Youichi (1707) | Won 2-0 | +211573 |
| 6sealed | 181 | Nishimura, Takashi5362 (1539) | Lost 0-2 | -191554 |
| 7sealed | 473 | Fukui, Shunsuke (1736) | Lost 0-2 | -151539 |
| top | average opponent: 1586record: 4-3 | new rating: 1539 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 183 | Nomura, Hiroshi (1462) | Lost 0-2 | -181461 |
| 2legacy | 734 | Hanzawa, Hirofumi (1378) | Won 2-1 | +161477 |
| 3legacy | 866 | Kawaharada, Kosaku (1449) | Lost 0-2 | -181459 |
| 4legacy | 890 | Abe, Naohisa (1427) | Won 2-1 | +171476 |
| 5legacy | 723 | Kikuchi, Kota (1410) | Won 2-0 | +171493 |
| 6legacy | 455 | Kanbara, Hokuto (1519) | Lost 0-2 | -181475 |
| 7legacy | 604 | Adachi, Yoshizumi (1486) | Won 2-0 | +181493 |
| 8legacy | 437 | Ikegami, Hiroshi (1522) | Won 2-0 | +191512 |
| 9legacy | 447 | Hayakawa, Yohei (1545) | Won 2-1 | +191531 |
| 10legacy | 336 | Tsujikawa, Taiga (1777) | Lost 1-2 | -141517 |
| top | average opponent: 1498record: 6-4 | new rating: 1517 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 676 | Takagi, Hideto (1498) | Won 2-1 | +181518 |
| 2legacy | 665 | Akita, Yuuki (1517) | Lost 0-2 | -181500 |
| 3legacy | 781 | Nakanishi, Yutaka (1436) | Won 2-1 | +171517 |
| 4legacy | 748 | Takebayashi, Takahiro (1423) | Lost 1-2 | -201497 |
| 5legacy | 818 | Tabei, Hirotomo (1483) | Lost 0-2 | -181479 |
| top | average opponent: 1471record: 2-3 | new rating: 1479 | ||