Chong, William
Current rating: 1574
Record: 9-5
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 187 | Dolezal, Tom (1500) | Won 2-0 | +181518 |
| 2block | 43 | Pan, David (1536) | Lost 0-2 | -181500 |
| 3block | 119 | Schriener, Dave (1520) | Won 2-1 | +191519 |
| 4block | 169 | Downie, Daniel (1468) | Won 2-0 | +171536 |
| 5block | 84 | Triplo, David (1522) | Lost 0-2 | -181518 |
| 6block | 114 | Chounard, Jesse (1521) | Won 2-1 | +181536 |
| 7block | 72 | Rood, David (1685) | Won 2-1 | +201556 |
| 8block | 63 | Scott, Matt (1546) | Won 2-0 | +181574 |
| average opponent: 1537record: 6-2 | new rating: 1574 | |||
| Grand Prix Kuala Lumpur 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 24 | Hoon, Kelvin (1500) | Lost 0-0 | -181482 |
| 2extended | 133 | Ng, Luke B S (1482) | Lost 0-0 | -181464 |
| 3extended | 120 | Tan, Jerome (1464) | Won 0-0 | +181482 |
| 4extended | 114 | Ooi, June Ping (1482) | Lost 0-0 | -181464 |
| 5extended | 113 | Semanis, Alfie Mahathir (1464) | Won 0-0 | +181482 |
| 6extended | 82 | Tan, Wei Shen 850901 (1482) | Won 0-0 | +181500 |
| average opponent: 1479record: 3-3 | new rating: 1500 | |||