Yun, Hyun-Jun
Current rating: 1558
Record: 19-15-7
| Grand Prix Hong Kong 2018 (modern) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 34 | Hyun, Dongseup (1454) | Draw 1-1 | -21519 |
| 2modern | 191 | Shi, Yue (1442) | Won 1-0 | +171536 |
| 3modern | 207 | Longno, Ian Philip (1501) | Won 2-1 | +171553 |
| 4modern | 115 | Bandou, Junichirou (1753) | Draw 1-1 | +41557 |
| 5modern | 190 | Lai Meng Leong, Garion (1504) | Lost 0-2 | -191538 |
| 6modern | 258 | Wang, Guangzhao (1552) | Won 2-0 | +181556 |
| 7modern | 188 | Wada, Yasutaka (1657) | Lost 1-2 | -161540 |
| 8modern | 220 | Weng, Ruxin (1517) | Won 2-0 | +181558 |
| top | average opponent: 1548record: 4-2-2 | new rating: 1558 | ||
| Grand Prix Singapore 2015 (modern) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 127 | Hakim, Bob (1383) | Lost 0-2 | -201521 |
| top | record: 0-1 | new rating: 1521 | ||
| Grand Prix Shanghai 2014 (KTK limited) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 232 | Chen, Yang 9635 (1500) | Won 2-1 | +161604 |
| 3sealed | 240 | Fu, Jicheng (1492) | Lost 0-2 | -201584 |
| 4sealed | 333 | Li, Yuanjun (1536) | Lost 1-2 | -191565 |
| 5sealed | 401 | Luo, Xing (1507) | Won 2-0 | +171582 |
| 6sealed | 273 | Liang, Xiaohan (1515) | Lost 0-2 | -191563 |
| 7sealed | 304 | Peng, Ruijian (1485) | Lost 0-2 | -191544 |
| 8sealed | 326 | Lu, Jiahao (1482) | Won 2-0 | +161560 |
| 9sealed | 240 | Qi, Ancalagon (1501) | Lost 0-2 | -191541 |
| top | average opponent: 1502record: 3-5 | new rating: 1541 | ||
| Grand Prix Beijing 2014 (BNG standard) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 54 | Zhu, Haozhe (1572) | Won 2-1 | +191554 |
| 4standard | 53 | Li, Zheng (1536) | Draw 1-1 | -11553 |
| 5standard | 68 | Topolnyan, Alexey (1583) | Won 2-0 | +191572 |
| 6standard | 34 | Falke, Matthias (1594) | Draw 1-1 | 01572 |
| 7standard | 75 | Gong, Jiantao (1481) | Draw 1-1 | -11571 |
| 8standard | 88 | Liu, Tong 6222 (1538) | Draw 1-1 | -11570 |
| 9standard | 110 | Ping, Chuang (1554) | Won 2-1 | +181588 |
| top | average opponent: 1551record: 3-0-4 | new rating: 1588 | ||
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 41 | Wong, Koon Kiu (1475) | Won 2-1 | +181499 |
| 3sealed | 79 | Bai, Jianchun (1451) | Lost 1-2 | -191480 |
| 4sealed | 209 | He, Zhongning (1447) | Won 2-0 | +181498 |
| 5sealed | 187 | Kai, Ming Po (1539) | Won 2-0 | +181516 |
| 6sealed | 129 | Xu, Fei (1539) | Draw 1-1 | +11517 |
| 7sealed | 85 | Chan, Ming Kin (1493) | Lost 0-2 | -191498 |
| 8sealed | 155 | Wen, Li Hua (1519) | Won 2-1 | +191517 |
| 9sealed | 104 | Li, Hang (1536) | Won 2-1 | +181535 |
| top | average opponent: 1500record: 5-2-1 | new rating: 1535 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 256 | Tsuda, Junichi (1586) | Won 2-0 | +201520 |
| 2sealed | 174 | Inoue, Takamichi (1490) | Lost 0-2 | -191501 |
| 3sealed | 374 | Ishiguro, Satoshi0631 (1484) | Lost 1-2 | -181483 |
| 4sealed | 411 | Yonezawa, Nobushige (1484) | Won 2-1 | +181501 |
| 5sealed | 334 | Segawa, Naoki (1499) | Won 2-1 | +181519 |
| 6sealed | 158 | Makuta, Eiji (1510) | Lost 0-2 | -181501 |
| 7sealed | 242 | Chu, Chang-Hung (1432) | Won 2-1 | +161517 |
| 8sealed | 310 | Takada, Kenichirou (1517) | Lost 0-2 | -181499 |
| 9sealed | 330 | Tanigawa, Futa (1497) | Lost 0-2 | -181481 |
| top | average opponent: 1500record: 4-5 | new rating: 1481 | ||