Koay, Teng Wei
Current rating: 1447
Record: 3-6-3
| Grand Prix Kuala Lumpur 2006 (DIS limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 16 | Wong, Hon Choon (1483) | Lost 1-2 | -181446 |
| 2sealed | 80 | Sean, Chin (1482) | Lost 0-2 | -171429 |
| 3sealed | 121 | Choo, Ida Maria (1465) | Draw 1-1 | 01429 |
| 4sealed | 145 | Teh, Ching Oon (1493) | Draw 1-1 | +21431 |
| 5sealed | 149 | Tai, Adrian (1362) | Won 2-1 | +161447 |
| average opponent: 1457record: 1-2-2 | new rating: 1447 | |||
| Grand Prix Melbourne 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 45 | Cornford, David (1516) | Draw 1-1 | 01500 |
| 2sealed | 37 | Everitt, Paul (1466) | Lost 1-2 | -181482 |
| 3sealed | 58 | Edwards, Daniel [AUS] (1481) | Won 2-0 | +181500 |
| 4sealed | 63 | Foster, Karl (1499) | Won 2-0 | +181518 |
| 5sealed | 50 | Fung, Kerry (1487) | Lost 1-2 | -191499 |
| 6sealed | 60 | Lee, Wen Yi Julian (1534) | Lost 1-2 | -171482 |
| 7sealed | 60 | Erros, Chiodo (1484) | Lost 1-2 | -181464 |
| average opponent: 1495record: 2-4-1 | new rating: 1464 | |||