Chiu, Marcus
Current rating: 1372
Record: 2-10-1
| Grand Prix Hong Kong 2004 (DST limited) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1 | Lee, Jun-young (1610) | Lost 0-2 | -141398 |
| 2sealed | 78 | Leung, Ray (1482) | Won 2-1 | +191417 |
| 3sealed | 55 | Magnusson, Mikael (1542) | Lost 0-2 | -151402 |
| 4sealed | 112 | Kai, Hu Er (1482) | Lost 0-2 | -171385 |
| 5sealed | 114 | Ma, Siu Tung Tony (1520) | Lost 0-0 | -161369 |
| 6sealed | 111 | Ho, Wai Shing (1446) | Lost 1-2 | -161353 |
| 7sealed | 100 | Fung, Wing Chung (1427) | Won 2-0 | +191372 |
| average opponent: 1501record: 2-5 | new rating: 1372 | |||
| Grand Prix Hong Kong 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 7 | Bunyabhisand, Benjapol (1500) | Lost 0-2 | -181482 |
| 2sealed | 54 | Eng, Boon Tat Elvin (1586) | Draw 1-1 | +21484 |
| 3sealed | 63 | Ramos, Miguel (1499) | Lost 0-2 | -181466 |
| 4sealed | 88 | Lau, Ching (1446) | Lost 0-2 | -181448 |
| 5sealed | 85 | Ng, Ka Man (1447) | Lost 0-2 | -181430 |
| 6sealed | 75 | Leung, Ken (1448) | Lost 0-2 | -181412 |
| average opponent: 1488record: 0-5-1 | new rating: 1412 | |||