Kawai, Riku
Current rating: 1424
Record: 7-12
| Regional Championships Aichi 2023 (pioneer) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 49 | Igura, Hayato (1525) | Lost 0-2 | -161432 |
| 2pioneer | 107 | Yamada, Kazuki (1686) | Lost 0-2 | -141418 |
| 3pioneer | 121 | Kubota, Kei (1544) | Won 2-0 | +211439 |
| 4pioneer | 99 | Tezuka, Takatomo (1630) | Lost 1-2 | -151424 |
| top | average opponent: 1596record: 1-3 | new rating: 1424 | ||
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 310 | Kawai, Ryo (1354) | Lost 1-2 | -211481 |
| 2pioneer | 508 | Takeuchi, Jun (1662) | Lost 0-2 | -141467 |
| 3pioneer | 822 | Jeon, Younghwan (1460) | Lost 0-2 | -191448 |
| top | average opponent: 1492record: 0-3 | new rating: 1448 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 11 | Tamura, Youhei6302 (1418) | Won 2-1 | +161519 |
| 2standard | 132 | Naito, Yoshiyuki (1462) | Lost 0-2 | -191500 |
| 3standard | 578 | Shimomura, Naoki (1503) | Won 2-0 | +181518 |
| 4standard | 548 | Fujiwara, Mizuki (1665) | Lost 1-2 | -151503 |
| 5standard | 450 | Isa, Yukifumi (1438) | Won 2-0 | +161519 |
| 6standard | 517 | Ataka, Kazuma (1547) | Lost 1-2 | -171502 |
| top | average opponent: 1505record: 3-3 | new rating: 1502 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 119 | Shimadu, Naofumi (1548) | Won 2-0 | +191519 |
| 2standard | 252 | Matsumoto, Masataka (1739) | Lost 0-2 | -141505 |
| 3standard | 781 | Oishi, Haruka (1599) | Won 2-0 | +201525 |
| 4standard | 401 | Sato, Tatsuo (1475) | Won 2-0 | +171542 |
| 5standard | 373 | Kitajima, Ryoko (1452) | Lost 1-2 | -201522 |
| 6standard | 580 | Kumon, Shun (1441) | Lost 1-2 | -191503 |
| top | average opponent: 1542record: 3-3 | new rating: 1503 | ||