Cha, Yung En
Current rating: 1371
| Grand Prix Hong Kong 2018 (modern) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 274 | Li, Junyu (1550) | Lost 0-2 | -161410 |
| 2modern | 270 | Yu, Bo (1359) | Lost 1-2 | -191391 |
| 3modern | 426 | Llanes, Jesus Ildefonso (1282) | Lost 1-2 | -201371 |
| top | average opponent: 1397record: 0-3 | new rating: 1371 | ||
| Grand Prix Hong Kong 2017 (XLN limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 6 | Han, Zhiwei (1423) | Lost 0-2 | -181443 |
| 2sealed | 164 | Tang, Ronald (1343) | Lost 1-2 | -201423 |
| 3sealed | 322 | Zhou, Zhaoqi (1464) | Lost 0-2 | -181405 |
| 4sealed | 338 | Sato, Ryoya (1422) | Won 2-0 | +191424 |
| 5sealed | 316 | Takayama, Kiichiro (1440) | Won 2-0 | +181442 |
| 6sealed | 283 | Tang, Ivan (1548) | Lost 0-2 | -161426 |
| top | average opponent: 1440record: 2-4 | new rating: 1426 | ||
| Grand Prix Hong Kong 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 21 | Chan, Tsz Kin (1529) | Lost 1-2 | -171483 |
| 2sealed | 188 | Lam, Cheuk Hin (1463) | Lost 1-2 | -191464 |
| 3sealed | 383 | Li, Way (1388) | Won 2-1 | +171481 |
| 4sealed | 327 | Liau, Wen-Jun (1395) | Lost 0-2 | -201461 |
| top | average opponent: 1444record: 1-3 | new rating: 1461 | ||