Sun, Chang
Current rating: 1627
Record: 24-22-1
| Grand Prix Beijing 2018 (DOM limited) | starting rating: 1594 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 155 | Tang, Jingchuan (1502) | Lost 1-2 | -201574 |
| 3sealed | 288 | Jiang, Yawei (1486) | Won 2-0 | +161590 |
| 4sealed | 259 | Fule, Norbert (1545) | Won 2-0 | +181608 |
| 5sealed | 105 | Kobayashi, Tatsuumi (1890) | Draw 1-1 | +51613 |
| 6sealed | 128 | Kubo, Yuta (1634) | Lost 0-2 | -181595 |
| 7sealed | 205 | Lan, Ze (1538) | Won 2-0 | +171612 |
| 8sealed | 141 | Liang, Ce (1442) | Won 2-0 | +151627 |
| top | average opponent: 1577record: 4-2-1 | new rating: 1627 | ||
| Grand Prix Beijing 2017 (AKH limited) | starting rating: 1402 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 176 | Renner, Mark (1477) | Won 2-0 | +201422 |
| 3sealed | 232 | Liu, Dongmin (1535) | Won 2-0 | +201442 |
| 4sealed | 3 | Zhang, Bowei (1484) | Won 2-0 | +191461 |
| 5sealed | 33 | Huang, Leo Xiao (1536) | Lost 1-2 | -171444 |
| 6sealed | 94 | Zhao, Zewen (1556) | Won 2-0 | +201464 |
| 7sealed | 41 | She, Yingcheng (1651) | Won 2-0 | +211485 |
| 8sealed | 32 | Zhou, Zhengyang (1586) | Won 2-1 | +201505 |
| 9sealed | 17 | Zhao, Tianyu (1715) | Won 2-1 | +221527 |
| 10draft | 148 | Zhang, Zhiyang (1879) | Won 2-1 | +241551 |
| 11draft | 98 | Morofuji, Takuma (2156) | Lost 0-2 | -81543 |
| 12draft | 126 | Yang, Zhihe (1659) | Won 2-0 | +201563 |
| 13draft | 99 | Chen, Yang 0888 (1740) | Lost 0-2 | -151548 |
| 14draft | 96 | Wee, Pang Ming (1879) | Won 2-1 | +241572 |
| 15draft | 64 | Yao, Minglei (1766) | Won 2-1 | +221594 |
| top | average opponent: 1687record: 11-3 | new rating: 1594 | ||
| Grand Prix Guangzhou 2016 (modern) | starting rating: 1399 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 1067 | Yu, Bo (1531) | Won 2-1 | +201419 |
| 4modern | 1011 | Li, Ang 4241 (1517) | Lost 0-2 | -161403 |
| 5modern | 1053 | Sujiarapat, Worrachot (1482) | Lost 1-2 | -171386 |
| 6modern | 1124 | Han, Hojae (1711) | Lost 0-2 | -121374 |
| 7modern | 1107 | Lam, Kevin [HKG] (1590) | Won 2-1 | +221396 |
| 8modern | 1098 | Huang, Jiarong (1520) | Won 2-1 | +201416 |
| 9modern | 1087 | Xu, Chenyang (1663) | Lost 1-2 | -141402 |
| top | average opponent: 1573record: 3-4 | new rating: 1402 | ||
| Grand Prix Beijing 2016 (SOI limited) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 111 | Fujimoto, Takehiro (1862) | Lost 0-2 | -111445 |
| 4sealed | 189 | Tsujikawa, Taiga (1744) | Lost 0-2 | -131432 |
| 5sealed | 353 | Hu, Rile (1500) | Lost 0-2 | -171415 |
| 6sealed | 336 | Shi, Pengkai (1479) | Lost 0-2 | -161399 |
| top | average opponent: 1646record: 0-4 | new rating: 1399 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 235 | Matsubara, Tohru (1666) | Lost 0-2 | -151468 |
| 3sealed | 1010 | Saito, Yuuki5405 (1467) | Won 2-0 | +181486 |
| 4sealed | 501 | Suzuki, Issei (1592) | Won 2-0 | +201506 |
| 5sealed | 347 | Yamamoto, Shintaro (1455) | Lost 0-2 | -191487 |
| 6sealed | 552 | Kawano, Junichi (1669) | Lost 1-2 | -141473 |
| 7sealed | 665 | Uematsu, Tatsuya (1546) | Lost 0-2 | -171456 |
| top | average opponent: 1566record: 2-4 | new rating: 1456 | ||
| Grand Prix Beijing 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 40 | Lin, Yang (1464) | Lost 1-2 | -191481 |
| 2standard | 332 | Qian, Xufeng (1428) | Won 2-0 | +171498 |
| 3standard | 245 | Li, Ruipeng (1501) | Won 2-1 | +181516 |
| 4standard | 149 | Lu, Ye (1626) | Lost 1-2 | -161500 |
| 5standard | 375 | Chong, Mao (1453) | Won 2-0 | +181518 |
| 6standard | 290 | Sun, Jin (1522) | Won 2-1 | +181536 |
| 7standard | 157 | Tang, Xavier (1591) | Lost 1-2 | -171519 |
| 8standard | 255 | Jia, Tianhui (1522) | Lost 0-2 | -181501 |
| 9standard | 250 | Fu, Bo (1515) | Lost 0-2 | -181483 |
| top | average opponent: 1514record: 4-5 | new rating: 1483 | ||