Cheng, Ryan
Current rating: 1445
| Grand Prix Hong Kong 2015 (ORI limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 171 | Belgeria, Erwin (1500) | Lost 0-2 | -181466 |
| 2sealed | 264 | Wu, Di (1433) | Lost 1-2 | -181448 |
| 3sealed | 404 | Yeung, Wing Fai (1411) | Won 2-0 | +171465 |
| 4sealed | 317 | Lemmon, Andrew (1423) | Lost 1-2 | -191446 |
| 5sealed | 345 | He, Zhuo (1465) | Won 2-0 | +181464 |
| 6sealed | 266 | Ho, Hoi Hei (1377) | Lost 0-2 | -191445 |
| top | average opponent: 1435record: 2-4 | new rating: 1445 | ||
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 159 | Chiu, Pak Kai Mark (1500) | Won 2-0 | +191468 |
| 2sealed | 87 | Wang, Ming Chih (1627) | Lost 1-2 | -151453 |
| 3sealed | 288 | Tsai, Kai-an (1613) | Lost 0-2 | -151438 |
| 4sealed | 330 | Danny Wong, King Fung (1482) | Won 2-0 | +181456 |
| 5sealed | 266 | Lau, Kai Ming (1498) | Lost 1-2 | -171439 |
| 6sealed | 296 | Cheung, Justin (1839) | Lost 1-2 | -111428 |
| 7sealed | 314 | An, Jing (1447) | Won 2-1 | +181446 |
| 8sealed | 260 | He, Zhongning (1414) | Won 2-0 | +181464 |
| 9sealed | 235 | Huang, Yung-Ling (1573) | Won 2-0 | +201484 |
| top | average opponent: 1555record: 5-4 | new rating: 1484 | ||
| Grand Prix Hong Kong 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 29 | Hua, Cheng (1517) | Lost 0-2 | -181482 |
| 2sealed | 48 | Siu, Wing sun sam (1482) | Lost 1-2 | -181464 |
| 3sealed | 66 | Lau, Ching (1464) | Won 2-0 | +181482 |
| 4sealed | 79 | Onoda, Michihisa (1632) | Lost 0-2 | -151467 |
| 5sealed | 79 | Chiu, Garron Kertnen (1463) | Lost 0-2 | -181449 |
| top | average opponent: 1512record: 1-4 | new rating: 1449 | ||