Chang, Eugene Ong Yeng
Current rating: 1651
Record: 26-16-1
| Grand Prix Singapore 2018 (DOM standard) | starting rating: 1624 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 163 | Boukari, Karim (1483) | Won 2-1 | +151639 |
| 2standard | 35 | Yin, Hao (1465) | Won 2-0 | +151654 |
| 3standard | 20 | Leong, Felix (1958) | Won 2-1 | +241678 |
| 4standard | 23 | Payumo, Kristoffer (1654) | Won 2-0 | +171695 |
| 5standard | 17 | Chee, Howe Ming (1449) | Lost 1-2 | -221673 |
| 6standard | 51 | Boon Chuan, Lee (1555) | Lost 1-2 | -201653 |
| 7standard | 70 | Lim, Shaun (1700) | Lost 1-2 | -181635 |
| 8standard | 131 | Salim, Alvin Anderson (1522) | Won 2-0 | +161651 |
| top | average opponent: 1598record: 5-3 | new rating: 1651 | ||
| Grand Prix Singapore 2015 (modern) | starting rating: 1600 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 23 | Peng, Jianjia (1492) | Won 2-0 | +161616 |
| 4modern | 7 | Chew, Melvin (1418) | Won 2-1 | +141630 |
| 5modern | 22 | Soewanda, Benny (1643) | Draw 1-1 | +11631 |
| 6modern | 34 | Laksmono, Christian (1541) | Lost 1-2 | -201611 |
| 7modern | 89 | Hussein, Rudy (1546) | Lost 0-2 | -191592 |
| 8modern | 164 | Ng, Wei San Wesley (1493) | Won 2-0 | +161608 |
| 9modern | 106 | Stephanus, Billian (1493) | Won 2-0 | +161624 |
| top | average opponent: 1518record: 4-2-1 | new rating: 1624 | ||
| Grand Prix Kuala Lumpur 2014 (THS limited) | starting rating: 1621 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 137 | Abdul Wahab, Shahrul Nizam (1516) | Lost 1-2 | -201601 |
| 2sealed | 257 | De Guzman, Ray (1717) | Won 2-0 | +211622 |
| 3sealed | 229 | Ong, Desmond Wei Liang (1647) | Lost 1-2 | -181604 |
| 4sealed | 314 | Tee, Zikai (1464) | Won 2-0 | +151619 |
| 5sealed | 249 | Prasjaksattru, Parn (1530) | Lost 0-2 | -191600 |
| top | average opponent: 1575record: 2-3 | new rating: 1600 | ||
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1634 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 95 | Sopat, Tussanai (1518) | Won 2-1 | +161650 |
| 3sealed | 64 | Shunglor, Pakpoom (1536) | Lost 0-2 | -211629 |
| 4sealed | 121 | Kitcharoenpinyo, Worap (1567) | Lost 1-2 | -191610 |
| 5sealed | 285 | Singh, Devsharan (1499) | Won 2-1 | +161626 |
| 6sealed | 224 | Moungmuangmonekol, Nut (1521) | Lost 1-2 | -201606 |
| 7sealed | 226 | Nimboonchaj, Bodeepajra (1499) | Won 2-1 | +161622 |
| 8sealed | 155 | Chanpradab, Chakkravan (1626) | Lost 0-2 | -171605 |
| 9sealed | 189 | Tangjaitrong, Ninnart (1540) | Won 2-1 | +161621 |
| top | average opponent: 1538record: 4-4 | new rating: 1621 | ||
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 68 | Baje, Eugene Ernesto W (1565) | Won 2-0 | +191519 |
| 2sealed | 171 | Shahabudin, Nur (1420) | Won 2-1 | +161535 |
| 3sealed | 95 | Yang, Ming Jen (1544) | Lost 0-2 | -171518 |
| 4sealed | 215 | Goh, Daniel (1518) | Won 2-0 | +181536 |
| 5sealed | 87 | Chia, Benjamin (1520) | Won 2-0 | +171553 |
| 6sealed | 56 | Yeo, Jason (1559) | Lost 0-2 | -181535 |
| 7sealed | 118 | Shen, Yan Ru (1605) | Won 2-1 | +201555 |
| 8sealed | 120 | Ijaya, Ferry (1454) | Won 2-1 | +161571 |
| 9sealed | 38 | Wu, Wenhao (1565) | Won 2-0 | +181589 |
| 10draft | 5 | Harrington, Chris (1598) | Won 2-0 | +181607 |
| 11draft | 59 | Shirakihara, Ryuuichi (1632) | Won 2-0 | +181625 |
| 12draft | 10 | Yang, Joshua (1856) | Lost 1-2 | -141611 |
| 13draft | 43 | Teo, Sian Ming (1621) | Won 2-0 | +191630 |
| 14draft | 42 | Salazar, Frederick (1812) | Won 2-0 | +211651 |
| 15draft | 11 | Wong, Steven (1689) | Lost 0-2 | -171634 |
| top | average opponent: 1597record: 11-4 | new rating: 1634 | ||