Ong, Wei Jian
Current rating: 1675
Record: 40-33-2
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1674 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 206 | Gamboa, Djohar (1488) | Won 2-0 | +141688 |
| 2sealed | 51 | Yang, Ming Jen (1523) | Lost 0-2 | -211667 |
| 3sealed | 208 | Tan Crisis, Kie Chuan (1484) | Won 2-0 | +151682 |
| 4sealed | 193 | Chang, Wai Hou (1547) | Won 2-0 | +161698 |
| 5sealed | 147 | Chin, Wei Han (1545) | Lost 0-2 | -211677 |
| 6sealed | 182 | Chua, James 1 (1526) | Won 2-0 | +151692 |
| 7sealed | 158 | Sugiki, Takafumi (1718) | Lost 0-2 | -171675 |
| top | average opponent: 1547record: 4-3 | new rating: 1675 | ||
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 141 | Young, Michael (1490) | Won 2-0 | +161584 |
| 2standard | 176 | Jeremiah J., (1518) | Won 2-0 | +171601 |
| 3standard | 166 | Dykes, James (1828) | Lost 0-2 | -141587 |
| 4standard | 295 | Liles, Khris (1518) | Won 2-0 | +171604 |
| 5standard | 191 | Culala, William (1534) | Won 2-0 | +171621 |
| 6standard | 148 | Sidher, Ricky (1579) | Won 2-0 | +171638 |
| 7standard | 65 | Capalongan, Ronald (1615) | Won 2-1 | +171655 |
| 8standard | 18 | Wainwright, Matt (1637) | Won 2-1 | +181673 |
| 9standard | 12 | Beasley, Orrin (1790) | Lost 0-2 | -161657 |
| 10standard | 66 | Clark, Jason L (1547) | Won 2-1 | +161673 |
| 11standard | 14 | Pastor, Steele (1626) | Lost 1-2 | -191654 |
| 12standard | 43 | Palmer, David A (1574) | Draw 1-1 | -11653 |
| 13standard | 44 | Hunt, Matthias (1885) | Won 2-0 | +221675 |
| 14standard | 32 | Gaudreault, Eric (1569) | Won 2-0 | +161691 |
| 15standard | 22 | Verhey, Gavin (1728) | Lost 0-2 | -171674 |
| top | average opponent: 1629record: 10-4-1 | new rating: 1674 | ||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 417 | Marek, Jacob E (1518) | Lost 0-2 | -181511 |
| 3legacy | 550 | Flanigan, Shane (1454) | Won 2-0 | +171528 |
| 4legacy | 566 | Walery, Chelsea (1519) | Won 2-0 | +181546 |
| 5legacy | 468 | De Los Santos, Julian (1725) | Lost 1-2 | -151531 |
| 6legacy | 546 | Cowall, Bill (1517) | Won 2-0 | +181549 |
| 7legacy | 477 | Holland, Ryan (1520) | Won 2-0 | +171566 |
| 8legacy | 451 | Dunning, Edward (1608) | Lost 1-2 | -171549 |
| 9legacy | 474 | O'Brien, Peter J (1598) | Won 2-1 | +191568 |
| top | average opponent: 1557record: 5-3 | new rating: 1568 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1442 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 892 | Orlick, Robert (1500) | Won 2-1 | +191461 |
| 2standard | 663 | Braun-Duin, Brian (1500) | Won 2-0 | +181479 |
| 3standard | 661 | Nunes, James (1642) | Won 2-0 | +211500 |
| 4standard | 685 | Watanabe, Yuuya (1922) | Won 2-1 | +261526 |
| 5standard | 624 | Takahashi, Yuta (1954) | Won 2-1 | +251551 |
| 6standard | 602 | Woods, Conley (2037) | Lost 0-2 | -101541 |
| 7standard | 647 | Fitchko, William (1575) | Lost 1-2 | -171524 |
| 8standard | 704 | Verhey, Gavin (1724) | Won 2-1 | +211545 |
| 9standard | 638 | Upham, Bryan (1633) | Lost 0-2 | -161529 |
| top | average opponent: 1721record: 6-3 | new rating: 1529 | ||
| Grand Prix Oakland 2010 (extended) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 115 | Leung, Kevin (1500) | Won 2-1 | +201455 |
| 2extended | 35 | Mead, Forrest (1639) | Lost 1-2 | -151440 |
| 3extended | 261 | Flores, Edgar (1464) | Won 2-0 | +181458 |
| 4extended | 198 | Gin, Stanley (1519) | Draw 1-1 | +21460 |
| 5extended | 176 | Benedetti, Michael (1467) | Lost 0-2 | -181442 |
| top | average opponent: 1518record: 2-2-1 | new rating: 1442 | ||
| Grand Prix Bangkok 2009 (M10 limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 90 | Lei, Benjamin (1562) | Lost 0-2 | -161468 |
| 3sealed | 93 | Supsrisophon, Mongkol (1589) | Lost 1-2 | -161452 |
| 4sealed | 178 | chutrakul, jutipong (1481) | Lost 1-2 | -181434 |
| 5sealed | 171 | Friestad, Sukrit (1464) | Won 2-1 | +191453 |
| 6sealed | 138 | Tayanuwat, Todsapol (1490) | Won 2-0 | +191472 |
| 7sealed | 111 | Angsusingh, Thitisak (1437) | Lost 0-2 | -191453 |
| 8sealed | 96 | Jongpipatpon, Krerkkia (1481) | Lost 0-2 | -181435 |
| top | average opponent: 1501record: 2-5 | new rating: 1435 | ||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 14 | Thorson, Phil (1593) | Lost 1-2 | -171518 |
| 5standard | 199 | Nguyen, James (1623) | Lost 1-2 | -161502 |
| 6standard | 322 | Mitchell, Devin (1518) | Lost 1-2 | -181484 |
| top | average opponent: 1578record: 0-3 | new rating: 1484 | ||
| Grand Prix Chicago 2009 (legacy) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 194 | Baumgras, Gregory P (1518) | Won 2-0 | +191510 |
| 3legacy | 160 | Bryant, Jamison (1536) | Won 2-0 | +181528 |
| 4legacy | 133 | Menendian, Stephen (1647) | Won 2-0 | +211549 |
| 5legacy | 9 | Folinus, Jeff (1728) | Lost 1-2 | -151534 |
| 6legacy | 132 | Wang, Sean (1581) | Lost 1-2 | -171517 |
| 7legacy | 213 | Cloke, Justin (1536) | Won 2-1 | +181535 |
| 8legacy | 91 | Tabler, Michael (1504) | Lost 1-2 | -191516 |
| 9legacy | 130 | Harbour, Lucas C (1541) | Won 2-0 | +191535 |
| top | average opponent: 1574record: 5-3 | new rating: 1535 | ||
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 157 | Slomann, Scott (1500) | Won 2-0 | +191509 |
| 2extended | 29 | Cristos, Dustin (1500) | Won 2-0 | +171526 |
| 3extended | 35 | Williams, Sean (1519) | Lost 1-2 | -181508 |
| 4extended | 162 | Chilk, Jonah (1534) | Won 2-0 | +191527 |
| 5extended | 142 | Umamoto, Derek (1557) | Lost 0-2 | -181509 |
| 6extended | 181 | Ramos, Anthony R (1516) | Lost 1-2 | -181491 |
| top | average opponent: 1521record: 3-3 | new rating: 1491 | ||
| Grand Prix Singapore 2007 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 21 | Soh, Eng Bin (1500) | Lost 1-2 | -181482 |
| 3extended | 75 | Kwan, David Wei Phang (1518) | Won 2-1 | +191501 |
| 4extended | 64 | Zhou, Yujian (1754) | Lost 0-2 | -141487 |
| 5extended | 97 | Zee, Way Leong (1670) | Lost 1-2 | -151472 |
| 6extended | 117 | Lai, Yit Shie (1470) | Won 2-0 | +181490 |
| 7extended | 90 | Chang, Wai Hou (1518) | Lost 0-2 | -171473 |
| 8extended | 101 | Gan, Meng San (1446) | Won 2-0 | +171490 |
| top | average opponent: 1554record: 3-4 | new rating: 1490 | ||