Ong, Calvin Xuan Qiang
Current rating: 1744 (#4146)
Record: 37-25
| Grand Prix Singapore 2018 (DOM standard) | starting rating: 1737 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 91 | Foo, Zhi Jie (1495) | Won 2-1 | +141751 |
| 3standard | 85 | Ishihara, Jun (1847) | Won 2-1 | +201771 |
| 4standard | 55 | Cruz, Marlon Kane (1604) | Won 2-0 | +151786 |
| 5standard | 16 | Yan, Gan (1980) | Won 2-0 | +211807 |
| 6standard | 17 | Foutawekij, Thanachai (1554) | Lost 0-2 | -221785 |
| 7standard | 29 | Loh, Ryan (1612) | Lost 0-2 | -211764 |
| 8standard | 91 | Xie, Zhan (1696) | Lost 1-2 | -201744 |
| top | average opponent: 1684record: 4-3 | new rating: 1744 | ||
| Grand Prix Singapore 2017 (XLN limited) | starting rating: 1612 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 129 | Iskandar, Nik (1604) | Won 2-1 | +181630 |
| 2sealed | 39 | Okto, Dimas (1478) | Won 2-1 | +151645 |
| 3sealed | 73 | Brown, Daniel [MYS] (1537) | Won 2-0 | +161661 |
| 4sealed | 44 | Liu, Zhengjia (1559) | Won 2-1 | +161677 |
| 5sealed | 10 | Chew, Kelvin (2228) | Lost 0-2 | -91668 |
| 6sealed | 34 | Ley, Isaiah (1627) | Lost 1-2 | -191649 |
| 7sealed | 81 | Wu, Xuan (1657) | Lost 0-2 | -171632 |
| 8sealed | 139 | Yap, Eugene (1762) | Won 2-1 | +201652 |
| 9sealed | 116 | Choi, Kwok Keong (1621) | Won 2-1 | +171669 |
| 10draft | 17 | Sawetsritawan, Thanakarn (1568) | Won 2-0 | +171686 |
| 11draft | 70 | Lim, Kelvin Tze Yang (1552) | Won 2-1 | +151701 |
| 12draft | 38 | Lim, Chun Wei Terry (1622) | Won 2-0 | +171718 |
| 13draft | 7 | Wee, Pang Ming (1944) | Won 2-0 | +221740 |
| 14draft | 7 | Yingviriyaprapan, Theeradet (1670) | Lost 0-2 | -201720 |
| 15draft | 7 | Wong, Eugene (1667) | Won 2-0 | +171737 |
| top | average opponent: 1673record: 11-4 | new rating: 1737 | ||
| Grand Prix Singapore 2015 (modern) | starting rating: 1594 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 102 | Guevara, Mark (1463) | Won 2-1 | +161610 |
| 4modern | 25 | Leo, Wei Keong (1572) | Won 2-0 | +171627 |
| 5modern | 26 | Yamada, Toshihiro (1786) | Lost 0-2 | -151612 |
| 6modern | 135 | Holtzman, Paul (1615) | Won 2-1 | +181630 |
| 7modern | 41 | Wang, Haokang (1675) | Lost 0-2 | -171613 |
| 8modern | 102 | Amornjarusiri, Pathorn (1534) | Won 2-0 | +161629 |
| 9modern | 75 | Neo, Hong Zhi (1650) | Lost 1-2 | -171612 |
| top | average opponent: 1614record: 4-3 | new rating: 1612 | ||
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 45 | Yu, Rozano (1487) | Won 2-0 | +171564 |
| 3sealed | 17 | Choy, Kevin (1454) | Won 2-0 | +161580 |
| 4sealed | 58 | Choi, Young-Il (1417) | Won 2-1 | +151595 |
| 5sealed | 5 | Leong, Ding Yuan (1950) | Won 2-1 | +241619 |
| 6sealed | 19 | Arai, Kenichiro (1640) | Won 2-1 | +191638 |
| 7sealed | 3 | Kanegawa, Toshiya (1729) | Lost 0-2 | -161622 |
| 8sealed | 24 | Santoso, Hari (1604) | Lost 0-2 | -191603 |
| 9sealed | 59 | Lim, Redmond (1646) | Won 2-1 | +191622 |
| 10draft | 2 | Tan, Chin Heng (1651) | Lost 1-2 | -181604 |
| 11draft | 56 | Koh, Charles (1593) | Lost 1-2 | -181586 |
| 12draft | 55 | Saito, Tomoharu (1933) | Lost 0-2 | -121574 |
| 13draft | 4 | Beley, Ryan Mark (1740) | Won 2-0 | +211595 |
| 14draft | 19 | Koh, Joon Hao (1579) | Won 2-1 | +181613 |
| 15draft | 38 | Wang, Yuexin (1562) | Lost 0-2 | -191594 |
| top | average opponent: 1642record: 8-6 | new rating: 1594 | ||
| Grand Prix Taipei 2012 (RTR limited) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 204 | Saso, Kazuho (1486) | Won 2-1 | +171525 |
| 2sealed | 100 | Liu, Hong Ming (1517) | Won 2-0 | +181543 |
| 3sealed | 7 | Tu, Chi-Lin (1536) | Won 2-1 | +181561 |
| 4sealed | 13 | Liang, Warren (1555) | Lost 1-2 | -181543 |
| 5sealed | 139 | Tong, King Yim Kingston (1689) | Lost 1-2 | -151528 |
| 6sealed | 154 | Wu, jia-ru (1502) | Won 2-1 | +171545 |
| 7sealed | 122 | Tung, Chang-Ming (1509) | Won 2-1 | +181563 |
| 8sealed | 87 | Lau, Sam Lei Kang (1719) | Lost 1-2 | -161547 |
| top | average opponent: 1564record: 5-3 | new rating: 1547 | ||
| Grand Prix Kuala Lumpur 2010 (WWK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 48 | Alvarez, Edsel Ronan (1607) | Won 2-1 | +201520 |
| 5standard | 24 | Wong, Chi Keung (1597) | Won 2-1 | +191539 |
| 6standard | 6 | Mihara, Makihito (1964) | Lost 1-2 | -101529 |
| 7standard | 38 | Khoo, Shawn (1524) | Won 2-1 | +181547 |
| 8standard | 7 | Subcharoen, Jakguy (1720) | Lost 0-2 | -151532 |
| 9standard | 46 | Ong, Whey Whey (1562) | Lost 0-2 | -181514 |
| 10standard | 48 | Wong, Wai Bien (1676) | Won 2-1 | +211535 |
| 11standard | 30 | Bausa, Patrick A (1527) | Lost 1-2 | -181517 |
| 12standard | 44 | Flores, Paolo Mari (1565) | Won 2-0 | +191536 |
| 13standard | 39 | Ikawa, Yoshihiko (1775) | Lost 0-2 | -141522 |
| 14standard | 38 | Tiong, Chris (1722) | Lost 0-2 | -141508 |
| top | average opponent: 1658record: 5-6 | new rating: 1508 | ||