Okada, Riku
Current rating: 1570
Record: 10-6
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 19 | Yamashita, Kohji (1216) | Won 2-0 | +131552 |
| 2pioneer | 16 | Kanamori, Yudai (1482) | Lost 1-2 | -201532 |
| 3pioneer | 495 | Horiuchi, Shingo (1421) | Won 2-0 | +161548 |
| 4pioneer | 500 | Hirose, Munenori (1540) | Won 2-0 | +181566 |
| 5pioneer | 201 | Mochizuki, Masaki (1527) | Lost 0-2 | -191547 |
| 6pioneer | 317 | Shimazaki, Ryota (1776) | Won 2-0 | +231570 |
| 7pioneer | 292 | Kokubun, Takeshi (1661) | Lost 1-2 | -171553 |
| 8pioneer | 318 | Sueyoshi, Hirokazu (1473) | Won 2-0 | +171570 |
| average opponent: 1512record: 5-3 | new rating: 1570 | |||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 465 | Yasuda, Keita (1445) | Won 2-0 | +171517 |
| 2modern | 557 | Katou, Yuuta (1725) | Lost 1-2 | -141503 |
| 3modern | 930 | Kanaura, Kazuki (1497) | Lost 0-2 | -181485 |
| 4modern | 1054 | Yamamoto, Haruka (1481) | Lost 0-2 | -181467 |
| 5modern | 1072 | Shimoyama, Kazuma (1415) | Won 2-1 | +171484 |
| 6modern | 894 | Wa, Ho (1574) | Won 2-0 | +191503 |
| 7modern | 565 | Kato, Jun (1605) | Won 2-1 | +201523 |
| 8modern | 524 | Takahashi, Akira (1426) | Won 2-1 | +161539 |
| average opponent: 1521record: 5-3 | new rating: 1539 | |||