Ma, Man Tai
Current rating: 1403
Record: 3-9-2
| Grand Prix Hong Kong 2015 (ORI limited) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 77 | Wu, Yue (1641) | Lost 1-2 | -141430 |
| 2sealed | 210 | Hui, Frankie (1482) | Won 2-1 | +191449 |
| 3sealed | 336 | Kan, Kensei (1440) | Won 2-1 | +181467 |
| 4sealed | 187 | Li, Wang (1517) | Draw 1-1 | +11468 |
| 5sealed | 200 | Lee, Kin Suen (1555) | Lost 0-2 | -171451 |
| 6sealed | 261 | Chan, Edwin (1499) | Lost 0-2 | -171434 |
| 7sealed | 268 | Chen, Yen-Chou (1535) | Lost 1-2 | -161418 |
| 8sealed | 239 | Lin, Gifford (1561) | Lost 0-2 | -151403 |
| average opponent: 1529record: 2-5-1 | new rating: 1403 | |||
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 218 | Giroud, Guillaume (1500) | Lost 0-1 | -181482 |
| 2sealed | 263 | Chen, Ruiming (1499) | Lost 1-2 | -181464 |
| 3sealed | 373 | Shi, Chen (1429) | Lost 0-2 | -181446 |
| 4sealed | 405 | Curr, Robert (1380) | Won 2-0 | +161462 |
| 5sealed | 352 | Fung, Franky (1485) | Draw 1-1 | +11463 |
| 6sealed | 354 | Li, Li (1437) | Lost 0-2 | -191444 |
| average opponent: 1455record: 1-4-1 | new rating: 1444 | |||