Ong, Sze Tat
Current rating: 1628
Record: 25-18
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 162 | Jambaro, Bernard Ross (1500) | Won 2-0 | +171551 |
| 2sealed | 143 | Liam, Yong Hao (1481) | Won 2-1 | +171568 |
| 3sealed | 62 | Wong, Alex Pu Siong (1519) | Won 2-1 | +171585 |
| 4sealed | 104 | Yau, Mun Yip (1583) | Won 2-0 | +181603 |
| 5sealed | 21 | Tan, Kiat Cheong (1644) | Lost 0-2 | -171586 |
| 6sealed | 104 | Tang, Mun Wye (1581) | Lost 0-2 | -181568 |
| 7sealed | 95 | Chua, Daniel Boon Hwee (1519) | Won 2-0 | +171585 |
| 8sealed | 65 | Lin, Shih Feng (1565) | Won 2-0 | +171602 |
| 9sealed | 61 | Carlos, Aaron (1635) | Won 2-1 | +191621 |
| 10draft | 52 | Wong, Wei Quan (1673) | Won 2-1 | +191640 |
| 11draft | 42 | Gu, Fengwen (1738) | Lost 1-2 | -161624 |
| 12draft | 26 | Chen, Si Jin (1625) | Lost 1-2 | -181606 |
| 13draft | 63 | Ang, Jan Raymond (1549) | Lost 0-2 | -191587 |
| 14draft | 15 | Saito, Tomoharu (1920) | Won 2-0 | +241611 |
| 15draft | 39 | Koh, Charles (1581) | Won 2-0 | +171628 |
| top | average opponent: 1607record: 10-5 | new rating: 1628 | ||
| Grand Prix Singapore 2009 (extended) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 31 | Chua, tat wee (1500) | Lost 1-2 | -191553 |
| 2extended | 92 | Weng, Lim (1482) | Lost 0-2 | -191534 |
| top | average opponent: 1491record: 0-2 | new rating: 1534 | ||
| Grand Prix Singapore 2007 (extended) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 7 | La Faber, Sean Michael (1472) | Won 2-1 | +171564 |
| 3extended | 23 | Ng, Soon Lye (1537) | Won 2-0 | +171581 |
| 4extended | 52 | Ikeda, Tsuyoshi (1843) | Lost 1-2 | -131568 |
| 5extended | 57 | Soh, Eng Bin (1518) | Lost 1-2 | -191549 |
| 6extended | 86 | Dimalanta, Lawrence (1578) | Won 2-1 | +181567 |
| 7extended | 60 | Oks, Oliver (1721) | Won 2-1 | +211588 |
| 8extended | 37 | Chai, Royce Ming Huang (1711) | Lost 1-2 | -161572 |
| top | average opponent: 1626record: 4-3 | new rating: 1572 | ||
| Grand Prix Kuala Lumpur 2006 (DIS limited) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 34 | Lee, Jia Liang (1500) | Won 2-0 | +171572 |
| 2sealed | 18 | Wong, Nicholas Jonathan (1641) | Lost 1-2 | -171555 |
| 3sealed | 57 | Abdullah, Rizal (1469) | Won 2-0 | +171572 |
| 4sealed | 69 | Wong, Qin Jin (1484) | Lost 0-2 | -201552 |
| 5sealed | 115 | Effendi, Yopi (1390) | Won 2-1 | +151567 |
| 6sealed | 71 | Teh, Soon Leong (1436) | Lost 0-2 | -201547 |
| top | average opponent: 1487record: 3-3 | new rating: 1547 | ||
| Grand Prix Singapore 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 37 | Yong, Kim Seng Sebastian (1500) | Won 2-0 | +181518 |
| 2sealed | 2 | Abdul Aziz, Azmady (1557) | Won 2-0 | +191537 |
| 3sealed | 1 | Krittamanorot, Krittapol (1500) | Lost 1-2 | -191518 |
| 4sealed | 56 | Goh, Yi Qun Sam (1520) | Won 2-0 | +181536 |
| 5sealed | 22 | Rosdin, Razif (1450) | Won 2-0 | +171553 |
| 6sealed | 19 | Chong, Kok Keong (1539) | Won 2-0 | +171570 |
| 7sealed | 16 | Teoh, Jeremy (1678) | Lost 1-2 | -161554 |
| 8draft | 31 | Xiao, Dennis (1556) | Won 2-0 | +181572 |
| 9draft | 22 | Mok, Bernard (1550) | Lost 0-2 | -181554 |
| 10draft | 11 | Lin, Milton Jian Xiong (1642) | Lost 0-2 | -171537 |
| 11draft | 23 | Tan, Ralph (1523) | Lost 1-2 | -181519 |
| 12draft | 4 | Tan, Steven (1496) | Won 2-0 | +181537 |
| 13draft | 26 | Kwan, David Wei Phang (1557) | Won 2-0 | +181555 |
| top | average opponent: 1544record: 8-5 | new rating: 1555 | ||