Park, Hyun-Jun
Current rating: 1721 (#5235)
Record: 35-23-4
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1745 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 293 | Mimura, Yukihiro (1446) | Lost 0-2 | -241721 |
| top | record: 0-1 | new rating: 1721 | ||
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1637 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 10 | Chi, Hsiang Li (1409) | Won 2-0 | +141651 |
| 2standard | 116 | Chiang, Tsung-Huan (1518) | Won 2-0 | +161667 |
| 3standard | 133 | Miyagi, Moto (1745) | Won 2-1 | +191686 |
| 4standard | 126 | Tang, Yichuan (1484) | Lost 1-2 | -211665 |
| 5standard | 109 | Sun, Guolong (1673) | Won 2-1 | +181683 |
| 6standard | 86 | Kakumae, Teruya (2081) | Lost 0-2 | -111672 |
| 7standard | 233 | Saethang, Chatchai (1673) | Won 2-0 | +181690 |
| 8standard | 148 | Chang, Amelia (1572) | Won 2-0 | +151705 |
| 9standard | 68 | Wa, Ho (1603) | Won 2-1 | +171722 |
| 10standard | 45 | Tomikawa, Akihisa (1700) | Lost 0-2 | -191703 |
| 11standard | 56 | Song, Linglu (1509) | Won 2-1 | +151718 |
| 12standard | 58 | Hong, Weihao (1595) | Lost 1-2 | -201698 |
| 13standard | 61 | Kim, Taewoo (1610) | Won 2-1 | +161714 |
| 14standard | 34 | Kim Jin, Huancheng (1520) | Won 2-1 | +141728 |
| 15standard | 44 | Woo, Brandon (1629) | Won 2-1 | +171745 |
| top | average opponent: 1622record: 11-4 | new rating: 1745 | ||
| Grand Prix Hong Kong 2018 (modern) | starting rating: 1566 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 77 | Wen, Haoyuan (1500) | Lost 0-2 | -201546 |
| 2modern | 291 | Yip, Chi Chiu (1482) | Won 2-0 | +171563 |
| 3modern | 296 | Yeung, Sun Kit Sunny (1776) | Lost 1-2 | -141549 |
| 4modern | 381 | Shi, Liang-Ru (1480) | Won 2-0 | +171566 |
| 5modern | 251 | Chen, Calvin (1498) | Won 2-0 | +171583 |
| 6modern | 227 | Liu, Yuan (1449) | Won 2-0 | +151598 |
| 7modern | 152 | Dadyko, Alexander (1681) | Won 2-0 | +201618 |
| 8modern | 105 | Pascual, Cholo (1701) | Won 2-1 | +191637 |
| 9modern | 82 | Hung, Chi Hang (1699) | Draw 1-1 | +11638 |
| 10modern | 54 | Gutierrez, Ian Mark (1729) | Lost 0-2 | -161622 |
| 11modern | 66 | Song, Malcolm (1449) | Lost 1-2 | -211601 |
| 12modern | 73 | Dang, Qi (1608) | Lost 0-2 | -181583 |
| 13modern | 75 | Takano, Shota (1539) | Won 2-0 | +171600 |
| 14modern | 66 | Sun, Xueli (1708) | Won 2-1 | +201620 |
| 15modern | 58 | Ngai, Chun Long (1574) | Won 2-1 | +171637 |
| top | average opponent: 1591record: 9-5-1 | new rating: 1637 | ||
| Grand Prix Taipei 2016 (SOI standard) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 53 | Chang, Alan (1500) | Won 2-1 | +181529 |
| 4standard | 45 | Zhang, Zhiyang (1752) | Draw 1-1 | +41533 |
| 5standard | 61 | Iwata, Futoshi (1613) | Lost 0-2 | -161517 |
| 6standard | 128 | Chiang, Chih-Hao (1555) | Won 2-0 | +181535 |
| 7standard | 77 | Kian Sim, Kee (1528) | Draw 1-1 | 01535 |
| 8standard | 124 | Cheuk, Chun Chung (1573) | Draw 1-1 | +11536 |
| 9standard | 122 | Oikawa, Hakudou (1743) | Won 2-1 | +221558 |
| 10standard | 72 | Lee, Timothy (1560) | Won 1-0 | +181576 |
| 11standard | 78 | Liu, Xinchang (1577) | Lost 0-2 | -181558 |
| 12standard | 100 | Kiyonaga, Sho (1652) | Won 2-1 | +191577 |
| 13standard | 65 | Takesue, Chikara (1787) | Won 2-0 | +221599 |
| 14standard | 56 | Mine, Masahiro (1602) | Lost 1-2 | -181581 |
| 15standard | 61 | Feng, Da (1717) | Lost 1-2 | -151566 |
| top | average opponent: 1628record: 6-4-3 | new rating: 1566 | ||
| Grand Prix Hong Kong 2015 (ORI limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 198 | Alpha, Alpha (1583) | Won 2-1 | +201506 |
| 2sealed | 276 | Teo, Justin (1490) | Lost 1-2 | -181488 |
| 3sealed | 275 | Tse, Yuk Yin (1555) | Won 2-0 | +191507 |
| 4sealed | 182 | Natsume, Takuya (1535) | Lost 0-2 | -181489 |
| 5sealed | 218 | He, Zhifeng (1534) | Lost 0-2 | -171472 |
| 6sealed | 314 | Salas, Dominique (1483) | Won 2-1 | +181490 |
| 7sealed | 239 | He, Bo (1679) | Won 2-1 | +221512 |
| 8sealed | 169 | Wang, Ye Ting (1523) | Won 2-0 | +181530 |
| 9sealed | 99 | Beh, Hao Xiang (1490) | Lost 1-2 | -191511 |
| top | average opponent: 1541record: 5-4 | new rating: 1511 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 125 | Oogushi, Hiroki (1427) | Won 2-0 | +171517 |
| 2standard | 191 | Maruyama, Kentarou (1600) | Lost 1-2 | -171500 |
| 3standard | 445 | Kawasaki, Takeshi (1506) | Won 2-0 | +181518 |
| 4standard | 172 | Sasaki, Shou (1493) | Won 2-1 | +181536 |
| 5standard | 226 | Yamamoto, Yousuke (1537) | Won 2-0 | +181554 |
| 6standard | 134 | Sugiyama, Yuya (1822) | Lost 1-2 | -131541 |
| 7standard | 177 | Ono, Shoichi (1626) | Lost 0-2 | -171524 |
| 8standard | 279 | Goto, Takuya (1514) | Lost 1-2 | -181506 |
| 9standard | 230 | Yamaguchi, Kyohei (1407) | Lost 0-2 | -201486 |
| top | average opponent: 1548record: 4-5 | new rating: 1486 | ||