Ng, Ping-Sum
Current rating: 1501
Record: 12-13-1
| Grand Prix Hong Kong 2018 (modern) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 272 | Shi, Liang-Ru (1500) | Won 2-0 | +181519 |
| 2modern | 173 | Hong, Seung-Oh (1515) | Lost 1-2 | -181501 |
| 3modern | 272 | Mijares, Hugo (1496) | Won 2-0 | +181519 |
| 4modern | 189 | Deng, Zhi Chao (1542) | Won 2-1 | +191538 |
| 5modern | 94 | Xu, Fei (1552) | Lost 0-2 | -181520 |
| 6modern | 228 | Wang, Jiaqing (1497) | Lost 1-2 | -191501 |
| top | average opponent: 1517record: 3-3 | new rating: 1501 | ||
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 265 | Sintoni, Filippo (1383) | Won 2-0 | +161478 |
| 2sealed | 23 | Yu, Nigal (1500) | Won 2-0 | +181496 |
| 3sealed | 81 | Myllynen, Teemu (1737) | Won 2-0 | +231519 |
| 4sealed | 206 | Yasuda, Masahiro (1565) | Lost 1-2 | -171502 |
| 5sealed | 239 | Yu, Hok Pun (1494) | Won 2-1 | +171519 |
| 6sealed | 224 | Wang, Chung Che (1517) | Lost 1-2 | -181501 |
| top | average opponent: 1533record: 4-2 | new rating: 1501 | ||
| Grand Prix Paris 2011 (MBS limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1140 | Duce, Javier (1500) | Won 2-0 | +191466 |
| 2sealed | 1029 | Sokolowski, Konrad (1591) | Won 2-1 | +201486 |
| 3sealed | 1029 | Shenhar, Shahar (1678) | Lost 0-2 | -151471 |
| 4sealed | 1153 | Miguel, Jose M (1499) | Won 2-0 | +191490 |
| 5sealed | 1156 | Kall, Tim (1621) | Lost 0-2 | -161474 |
| 6sealed | 1140 | Patriarca, Joffrey (1771) | Lost 0-2 | -121462 |
| top | average opponent: 1610record: 3-3 | new rating: 1462 | ||
| Grand Prix Hong Kong 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 55 | Liu, Tak Shun (1500) | Won 2-0 | +181518 |
| 2sealed | 21 | Hsu, Aric (1565) | Lost 0-2 | -171501 |
| 3sealed | 57 | Chan, Terry (1500) | Won 2-1 | +181519 |
| 4sealed | 60 | Lee, Shi Tian (1503) | Lost 0-2 | -181501 |
| 5sealed | 77 | Wong, Chun Hung (1506) | Lost 0-0 | -181483 |
| 6sealed | 96 | Law, Wing Hong (1482) | Draw 1-1 | 01483 |
| 7sealed | 87 | Tam, Wai To (1484) | Lost 0-2 | -181465 |
| 8sealed | 85 | He, Sui Rong Kolter (1464) | Lost 0-2 | -181447 |
| top | average opponent: 1501record: 2-5-1 | new rating: 1447 | ||