Wong, Choon Hong Ronald
Current rating: 1517
Record: 4-3-1
| Grand Prix Singapore 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 64 | Wong, Alex Pu Siong (1461) | Lost 1-2 | -191481 |
| 2extended | 100 | Lin, Rui Feng (1482) | Won 1-0 | +181499 |
| 3extended | 70 | Ang, Dun Jiu (1500) | Draw 1-1 | 01499 |
| 4extended | 122 | Lu, Shufeng (1499) | Lost 1-2 | -181481 |
| 5extended | 148 | Low, Kah Yuan (1482) | Won 2-0 | +181499 |
| 6extended | 120 | Toh, Woon Seong (1418) | Won 2-0 | +171516 |
| 7extended | 93 | Vogin, Willy (1601) | Lost 0-2 | -171499 |
| 8extended | 99 | Ng, Benson (1452) | Won 2-1 | +181517 |
| average opponent: 1487record: 4-3-1 | new rating: 1517 | |||