Koay, Arnold
Current rating: 1500
Record: 3-3
| Grand Prix Kuala Lumpur 2004 (5DN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 3 | Ng, Benson (1498) | Won 2-0 | +181518 |
| 2standard | 39 | Sadeq, Jafar (1500) | Lost 0-2 | -181500 |
| 3standard | 73 | Phua, Edwin (1484) | Won 2-1 | +171517 |
| 4standard | 74 | Koh, Julian (1448) | Won 2-1 | +171534 |
| 5standard | 25 | Eng, Boon Tat Elvin (1633) | Lost 1-2 | -161518 |
| 6standard | 62 | Lai, Chee Meng (1540) | Lost 0-2 | -181500 |
| average opponent: 1517record: 3-3 | new rating: 1500 | |||