Kuwashima, Syoutarou
Current rating: 1512
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 378 | Nakazawa, Yuki (1384) | Won 2-1 | +151536 |
| 2standard | 29 | Takahashi, Naoya 0838 (1508) | Draw 1-1 | 01536 |
| 3standard | 468 | Yamagishi, Yuki 8956 (1423) | Won 2-0 | +161552 |
| 4standard | 228 | Mihara, Yuki (1630) | Lost 1-2 | -171535 |
| 5standard | 428 | Kurata, Keisuke (1373) | Won 2-1 | +151550 |
| 6standard | 261 | Kasai, Takashi (1522) | Lost 1-2 | -181532 |
| 7standard | 419 | Yamada, Yoshitaka (1440) | Lost 0-2 | -201512 |
| top | average opponent: 1469record: 3-3-1 | new rating: 1512 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 217 | Yamaguchi, Kenta (1465) | Won 2-0 | +171498 |
| 2modern | 165 | Kanetomi, Hidetaka (1557) | Won 2-0 | +191517 |
| 3modern | 2 | Matsui, Hideyuki (1482) | Lost 0-2 | -181499 |
| 4modern | 363 | Shimizu, Takuma (1521) | Won 2-1 | +181517 |
| 5modern | 222 | Kuriyama, Takuya (1523) | Lost 0-2 | -181499 |
| 6modern | 578 | Kojima, Hirotaka (1515) | Won 2-0 | +191518 |
| 7modern | 420 | Ushikubo, Kenichi (1629) | Won 2-0 | +201538 |
| 8modern | 278 | Ohta, Masataka (1590) | Lost 1-2 | -171521 |
| top | average opponent: 1535record: 5-3 | new rating: 1521 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 555 | Watanabe, Atsuhiro (1427) | Lost 0-2 | -191481 |
| top | record: 0-1 | new rating: 1481 | ||