Kwon, Ohhyek
Current rating: 1540
Record: 12-10
| Grand Prix Yokohama 2019 (modern) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 733 | Kudo, Amiru (1487) | Lost 0-2 | -181505 |
| 2modern | 724 | Anzai, Yasunobu (1376) | Lost 0-2 | -211484 |
| 3modern | 1101 | Imaoka, Syoichi (1531) | Won 2-0 | +191503 |
| 4modern | 1049 | Kaihara, Shunsuke (1495) | Won 2-0 | +181521 |
| 5modern | 551 | Shoji, Taku (1552) | Won 2-0 | +191540 |
| 6modern | 606 | Kageyama, Koki (1592) | Lost 1-2 | -181522 |
| 7modern | 672 | Masuda, Keigo (1514) | Won 2-1 | +181540 |
| average opponent: 1507record: 4-3 | new rating: 1540 | |||
| Grand Prix Kobe 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 746 | Nakamoto, Ryuuta (1571) | Won 2-0 | +191519 |
| 2modern | 174 | Takamatsu, Hiroomi (1528) | Won 2-1 | +181537 |
| 3modern | 538 | Oda, Kouichi (1564) | Won 2-0 | +191556 |
| 4modern | 222 | Kusunoki, Yuki (1528) | Lost 0-2 | -191537 |
| 5modern | 362 | Kobayashi, Tetsuro (1578) | Lost 0-2 | -171520 |
| 6modern | 784 | Odagiri, Mato (1535) | Won 2-1 | +181538 |
| 7modern | 581 | Takeda, Harunobu (1813) | Won 2-1 | +231561 |
| 8modern | 326 | Ikeda, Kazuya (1501) | Won 2-1 | +171578 |
| 9modern | 221 | Eguchi, Yukio (1701) | Lost 1-2 | -161562 |
| 10modern | 321 | Kashiwase, Kazuya (1616) | Lost 0-2 | -171545 |
| 11modern | 365 | Nam, Kyung-Min (1561) | Lost 1-2 | -171528 |
| 12modern | 329 | Masuda, Hiroki (1522) | Won 2-0 | +181546 |
| 13modern | 292 | Yamasita, Akinori (1429) | Lost 0-2 | -211525 |
| 14modern | 256 | Kusumi, Kousei (1276) | Lost 0-2 | -221503 |
| 15modern | 244 | Sakaino, Yuta (1627) | Won 2-1 | +201523 |
| average opponent: 1557record: 8-7 | new rating: 1523 | |||