Ong, Yung Tiam
Current rating: 1439
| Grand Prix Kuala Lumpur 2006 (DIS limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 56 | Fernandez, Reuben (1448) | Lost 0-2 | -181433 |
| 3sealed | 82 | Seah, Yuan Jih Lionel (1500) | Won 2-1 | +201453 |
| 4sealed | 96 | Tan, Xing Yong (1595) | Lost 1-2 | -161437 |
| 5sealed | 99 | pak, matthew (1447) | Lost 1-2 | -181419 |
| 6sealed | 107 | Low, Kah Joo (1455) | Won 2-0 | +191438 |
| 7sealed | 86 | Wong, Alex Pu Siong (1472) | Lost 1-2 | -171421 |
| 8sealed | 92 | Wong, Fu-sheng (1470) | Won 2-1 | +181439 |
| top | average opponent: 1484record: 3-4 | new rating: 1439 | ||
| Grand Prix Kuala Lumpur 2002 (TOR limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 39 | Santos, Raffy V (1517) | Lost 0-2 | -171467 |
| 3sealed | 52 | Tadja, Nickie (1501) | Lost 1-2 | -171450 |
| 4sealed | 85 | Tian, Eugene (1483) | Won 2-0 | +181468 |
| 5sealed | 76 | Abdul Rahimi, Abdul Ra (1500) | Lost 0-2 | -171451 |
| 6sealed | 82 | Wah, Chia Kar (1483) | Won 2-0 | +181469 |
| 7sealed | 60 | Wong, Michael T. W. (1469) | Lost 0-2 | -181451 |
| top | average opponent: 1492record: 2-4 | new rating: 1451 | ||
| Grand Prix Kuala Lumpur 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 4 | Yap, Daniel (1518) | Won 0-0 | +181518 |
| 3extended | 14 | Fix, Wayne (1536) | Draw 0-0 | +11519 |
| 4extended | 23 | Hwang, Chi-Chung (1519) | Lost 0-0 | -181501 |
| 5extended | 51 | Lam, Yeow Kit (1518) | Won 0-0 | +181519 |
| 6extended | 38 | Chong, Jeunn Yik (1518) | Won 0-0 | +181537 |
| 7extended | 13 | Ng, Wei San Wesley (1505) | Lost 0-0 | -191518 |
| 8extended | 30 | Yii, Terh Kuen (1520) | Draw 0-0 | 01518 |
| 9extended | 28 | Lo, Chien Hung (1538) | Lost 0-0 | -171501 |
| 10extended | 29 | Ng, Brian Choon Teng (1518) | Won 0-0 | +181519 |
| 11extended | 25 | Fujita, Tsuyoshi (1630) | Lost 0-0 | -161503 |
| 12extended | 26 | Leong, Ding Yuan (1469) | Lost 0-0 | -191484 |
| top | average opponent: 1526record: 4-5-2 | new rating: 1484 | ||