Wong, Chak Chun
Current rating: 1342
Record: 8-20-2
| Grand Prix Hong Kong 2018 (modern) | starting rating: 1377 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 65 | Li, Kwong San (1510) | Lost 0-2 | -151362 |
| 3modern | 288 | Furuuchi, Kaoru (1539) | Lost 0-2 | -151347 |
| 4modern | 382 | Shi, Shencheng (1500) | Won 2-0 | +211368 |
| 5modern | 212 | Liu, Song 8996 (1474) | Draw 1-1 | +11369 |
| 6modern | 266 | Yang, Xiaokang (1508) | Lost 1-2 | -151354 |
| 7modern | 285 | Tang, Li (1557) | Draw 1-1 | +41358 |
| 8modern | 279 | Azarcon, Jackson (1500) | Lost 0-2 | -161342 |
| top | average opponent: 1513record: 1-4-2 | new rating: 1342 | ||
| Grand Prix Hong Kong 2017 (XLN limited) | starting rating: 1396 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 56 | Castillo, Nino Romano (1511) | Won 2-1 | +201416 |
| 3sealed | 76 | Lucas, Jeremy (1465) | Lost 1-2 | -171399 |
| 4sealed | 101 | Niederer, Roberto (1536) | Lost 0-2 | -161383 |
| 5sealed | 263 | Huang, Jinghao (1471) | Won 2-0 | +201403 |
| 6sealed | 118 | Ouyang, Haoyu (1515) | Won 2-0 | +201423 |
| 7sealed | 159 | Wiriyaampon, Kampanart (1521) | Lost 0-2 | -161407 |
| 8sealed | 168 | Chan, Yin Sing (1556) | Lost 1-2 | -161391 |
| 9sealed | 204 | Prawira, Hartono (1597) | Lost 0-2 | -141377 |
| top | average opponent: 1522record: 3-5 | new rating: 1377 | ||
| Grand Prix Guangzhou 2016 (modern) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 1060 | Li, Junyu (1576) | Lost 0-2 | -161405 |
| 3modern | 186 | Gu, Zhi Yin (1451) | Won 2-0 | +191424 |
| 4modern | 1116 | Meng, Jun (1486) | Won 2-0 | +191443 |
| 5modern | 1089 | Wu, Ming (1573) | Lost 1-2 | -151428 |
| 6modern | 108 | Pan, Ruizhang (1515) | Lost 0-2 | -171411 |
| 7modern | 1117 | Ye, Xiangqing (1444) | Lost 0-2 | -171394 |
| 8modern | 1151 | Huang, Jiancong (1465) | Lost 0-2 | -171377 |
| 9modern | 1142 | Meng, Xianghe (1414) | Won 2-0 | +191396 |
| top | average opponent: 1490record: 3-5 | new rating: 1396 | ||
| Grand Prix Hong Kong 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 137 | Nagao, Yasutaka (1561) | Won 2-1 | +191519 |
| 4sealed | 37 | Law, Fong Yuen (1519) | Lost 0-2 | -181501 |
| 5sealed | 83 | Moy, Timothy (1547) | Lost 1-2 | -171484 |
| 6sealed | 140 | He, Zhen (1624) | Lost 0-2 | -161468 |
| 7sealed | 251 | Tada, Mitsuhiro (1523) | Lost 1-2 | -171451 |
| 8sealed | 229 | Sawada, Ken (1674) | Lost 1-2 | -141437 |
| 9sealed | 204 | Alagao Jr., Danilo G. (1497) | Lost 0-2 | -161421 |
| top | average opponent: 1564record: 1-6 | new rating: 1421 | ||