Hamzah, Rizal
Current rating: 1468
Record: 5-7
| Grand Prix Singapore 2007 (extended) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 115 | Tan, Kerry Kok Han (1500) | Won 2-1 | +191485 |
| 3extended | 97 | Chang, Wai Hou (1518) | Lost 1-2 | -171468 |
| 4extended | 113 | Llamas, Wilbur F (1482) | Won 2-0 | +181486 |
| 5extended | 121 | Chua, James (1485) | Lost 1-2 | -181468 |
| average opponent: 1496record: 2-2 | new rating: 1468 | |||
| Grand Prix Kuala Lumpur 2006 (DIS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Tan, Kiat Cheong (1590) | Lost 1-2 | -161484 |
| 2sealed | 102 | Lee, Simon [HKG] (1482) | Lost 1-2 | -181466 |
| 3sealed | 112 | Ab Rahim, F. Iqbal (1464) | Lost 0-2 | -181448 |
| 4sealed | 150 | Chew, Meng Jin (1449) | Won 2-0 | +181466 |
| 5sealed | 141 | Tan, Chin Han (1445) | Won 2-0 | +171483 |
| 6sealed | 122 | Wee, Chong Hiang (1484) | Won 2-0 | +181501 |
| 7sealed | 88 | Lim, Yong Hui Ivan (1570) | Lost 1-2 | -161485 |
| 8sealed | 94 | Chong, Allan Wan Loon (1483) | Lost 1-2 | -191466 |
| average opponent: 1496record: 3-5 | new rating: 1466 | |||