Chua, Zong En
Current rating: 1548
Record: 43-42-4 (GP) / 2-6 (professional)
| Grand Prix Singapore 2018 (DOM standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 37 | Yokoyama, Shouta (1800) | Won 2-1 | +241505 |
| 4standard | 39 | Yan, Gan (1969) | Lost 0-2 | -101495 |
| 5standard | 97 | Kobayashi, Tetsuro (1567) | Lost 1-2 | -171478 |
| 6standard | 207 | Yap, Jason (1836) | Won 2-1 | +241502 |
| 7standard | 141 | Omori, Ken'ichirou (1859) | Won 2-1 | +251527 |
| 8standard | 67 | Soh, Weng Heng (1697) | Won 2-1 | +211548 |
| 9standard | 43 | Zubair, Mohamed Amzad (1643) | Won 2-1 | +191567 |
| 10standard | 46 | Yasooka, Shota (2041) | Lost 0-2 | -101557 |
| 11standard | 50 | Tan, Frederick (1503) | Lost 0-2 | -191538 |
| 12standard | 61 | Dunsford, Denny (1739) | Won 2-1 | +221560 |
| 13standard | 43 | Zhu, Yuxuan (1793) | Lost 0-2 | -141546 |
| 14standard | 53 | Poh, Liang Choong (1655) | Lost 1-2 | -161530 |
| 15standard | 58 | Taxi Beng, Ong Shu Liang (1540) | Won 2-0 | +181548 |
| top | average opponent: 1742record: 7-6 | new rating: 1548 | ||
| Pro Tour Rivals of Ixalan (modern) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 216 | Dominguez, Javier (1978) | Lost 0-2 | -101515 |
| 2draft | 107 | Walker, Nathaniel (1857) | Won 2-0 | +241539 |
| 3draft | 231 | Yang, Zhijian (1703) | Lost 0-2 | -151524 |
| 4modern | 157 | Fernandez Paris, Andres (1466) | Won 2-1 | +171541 |
| 5modern | 115 | Hoaen, Rich (1994) | Lost 0-2 | -101531 |
| 6modern | 162 | Khalil, Saher (1540) | Lost 0-2 | -181513 |
| 7modern | 201 | Lara, Rodrigo (1308) | Lost 1-2 | -221491 |
| 8modern | 199 | Ferrer Rozalen, Sergio (1966) | Lost 1-2 | -101481 |
| top | average opponent: 1727record: 2-6 | new rating: 1481 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 129 | Baker, Adam (1433) | Won 2-1 | +151578 |
| 3sealed | 159 | Falenti Koncilija, Lan (1690) | Won 2-0 | +201598 |
| 4sealed | 1 | Amendola, Michele (1728) | Lost 1-2 | -151583 |
| 5sealed | 290 | Yourchek, Sean (1480) | Lost 1-2 | -201563 |
| 6sealed | 568 | Delsert, Benjamin (1604) | Lost 0-2 | -171546 |
| 7sealed | 577 | Beever, Simeon (1415) | Lost 0-2 | -211525 |
| top | average opponent: 1558record: 2-4 | new rating: 1525 | ||
| Grand Prix Singapore 2017 (XLN limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 117 | Siong, Wong (1500) | Lost 0-2 | -191498 |
| 3sealed | 178 | Watanabe, Yuta (1605) | Lost 0-2 | -161482 |
| 4sealed | 215 | Cheng, Melvin (1436) | Won 2-0 | +181500 |
| 5sealed | 144 | Santiago, Ram (1455) | Won 2-0 | +171517 |
| 6sealed | 127 | Rusinov, Alexey (1628) | Lost 1-2 | -161501 |
| 7sealed | 153 | Crowther, Alex (1417) | Won 2-0 | +161517 |
| 8sealed | 99 | Eddy, Asali (1495) | Won 2-1 | +181535 |
| 9sealed | 75 | Chong, David (1539) | Won 2-1 | +181553 |
| 10draft | 72 | Tamber, Tobey (1817) | Won 2-0 | +231576 |
| 11draft | 23 | Li, Ming Siang (1576) | Lost 0-2 | -181558 |
| 12draft | 84 | Subianto, Yanuar (1538) | Won 2-0 | +171575 |
| 13draft | 16 | Tamber, Tobey (1822) | Lost 0-2 | -131562 |
| 14draft | 77 | Chua, Cheng Zhi Orange (1576) | Lost 0-2 | -181544 |
| 15draft | 44 | Zakaria, Zaiham (1590) | Won 2-1 | +191563 |
| top | average opponent: 1571record: 8-6 | new rating: 1563 | ||
| Grand Prix Hong Kong 2017 (XLN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 62 | Chan, Tsan (1500) | Won 2-0 | +181518 |
| 2sealed | 120 | Lee, Yu Yeung (1636) | Won 2-0 | +201538 |
| 3sealed | 69 | Noguchi, Takeshi (1412) | Lost 1-2 | -201518 |
| 4sealed | 162 | Na, Jongwon (1471) | Lost 1-2 | -191499 |
| 5sealed | 284 | Cuello, Anthony (1418) | Won 2-1 | +161515 |
| 6sealed | 123 | Lai, Chi Hang (1621) | Won 2-1 | +201535 |
| 7sealed | 74 | Suzuki, Ryuuichi (1331) | Won 2-1 | +151550 |
| 8sealed | 78 | Yamamura, Yuma (1704) | Lost 1-2 | -161534 |
| 9sealed | 126 | Lau, Tin Lun Sky (1553) | Lost 0-2 | -171517 |
| top | average opponent: 1516record: 5-4 | new rating: 1517 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 662 | Tsutai, Koutarou (1307) | Won 2-0 | +151497 |
| 2standard | 400 | Kato, Takamasa (1517) | Draw 1-1 | 01497 |
| 3standard | 688 | Mitake, Ryosuke (1519) | Won 2-0 | +181515 |
| 4standard | 344 | Shimizu, Naoki (1771) | Lost 0-2 | -131502 |
| 5standard | 637 | Takeyama, Maya (1465) | Won 2-0 | +171519 |
| 6standard | 399 | Hato, Yuya (1539) | Lost 1-2 | -171502 |
| 7standard | 632 | Takawashi, Shun'Ichi (1439) | Won 2-1 | +161518 |
| 8standard | 446 | Makigano, Motohiro (1486) | Lost 0-2 | -181500 |
| top | average opponent: 1505record: 4-3-1 | new rating: 1500 | ||
| Grand Prix Kuala Lumpur 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 101 | Lim, Joseph (1500) | Won 2-0 | +181518 |
| 2standard | 63 | Neo, Winsen (1515) | Lost 0-2 | -191499 |
| 3standard | 198 | Ayub, Syafiq (1503) | Won 0-0 | +191518 |
| 4standard | 156 | Mine, Masahiro (1635) | Lost 0-2 | -161502 |
| 5standard | 189 | Lie, Sunny (1500) | Lost 0-2 | -181484 |
| 6standard | 244 | Sim, Norman (1299) | Won 2-0 | +141498 |
| 7standard | 203 | Amornjarusiri, Pathorn (1470) | Draw 1-1 | 01498 |
| 8standard | 201 | Ibay, Arvin (1533) | Lost 1-2 | -181480 |
| 9standard | 223 | Li, Chi (1550) | Draw 1-1 | +21482 |
| top | average opponent: 1501record: 3-4-2 | new rating: 1482 | ||
| Grand Prix Taipei 2016 (SOI standard) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 161 | Sung, Che Wei (1474) | Lost 1-2 | -191491 |
| 2standard | 199 | Chen, Tang Lin (1413) | Won 2-1 | +171508 |
| 3standard | 292 | Pan, Simon (1502) | Won 2-0 | +181526 |
| 4standard | 185 | Gondo, Kosuke (1566) | Lost 0-2 | -171509 |
| 5standard | 275 | Lin, Tzu Heng (1518) | Won 2-1 | +181527 |
| 6standard | 219 | Je, Sungeun (1616) | Lost 0-2 | -171510 |
| 7standard | 265 | Bixuan, Yu (1503) | Lost 1-2 | -181492 |
| 8standard | 276 | Tan, Raymond (1931) | Lost 0-2 | -101482 |
| 9standard | 268 | Ooenk, Ooenk (1470) | Won 2-0 | +181500 |
| top | average opponent: 1555record: 4-5 | new rating: 1500 | ||
| Grand Prix Singapore 2015 (modern) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 75 | Ng, Clarence (1580) | Lost 0-2 | -161453 |
| 2modern | 266 | Tai, Jordan Wee Lok (1437) | Won 2-0 | +171470 |
| 3modern | 333 | Voo, Patrick (1480) | Lost 0-2 | -171453 |
| 4modern | 469 | Mong Kiat, Sim (1478) | Won 2-0 | +181471 |
| 5modern | 278 | Lin, Jia (1419) | Draw 1-1 | -11470 |
| 6modern | 347 | Espina, John Felix C (1498) | Won 2-0 | +191489 |
| 7modern | 252 | Quinacman, Menard (1634) | Won 2-0 | +201509 |
| 8modern | 174 | Wai Kit Keith, Tan (1560) | Lost 0-2 | -171492 |
| 9modern | 199 | Lee Wat Son, Arno (1483) | Won 2-0 | +181510 |
| top | average opponent: 1508record: 5-3-1 | new rating: 1510 | ||
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 69 | WIJINTHANASARN, ATTAWU (1553) | Won 2-0 | +191513 |
| 5sealed | 20 | Nakashima, Toshihiko (1577) | Lost 1-2 | -171496 |
| 6sealed | 93 | Lim, Ernest (1668) | Lost 1-2 | -151481 |
| 7sealed | 107 | Chee, Crisler (1695) | Lost 0-2 | -141467 |
| 8sealed | 142 | Tangjaitrong, Ninnart (1560) | Won 2-0 | +201487 |
| 9sealed | 118 | Chaovarindr, Thirawat (1494) | Lost 1-2 | -181469 |
| top | average opponent: 1591record: 2-4 | new rating: 1469 | ||
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 135 | Ang, Ching Hui (1500) | Lost 1-2 | -181482 |
| 2sealed | 237 | Villaverde, Herlbert (1407) | Lost 1-2 | -191463 |
| 3sealed | 314 | Chan, Mun Kit (1394) | Won 2-1 | +161479 |
| 4sealed | 309 | Tanedo, Boyd Vincent (1360) | Won 2-1 | +161495 |
| 5sealed | 278 | Khor, Wee Yuen Ian (1398) | Won 2-0 | +161511 |
| 6sealed | 230 | Jambaro, Bernard Ross (1521) | Lost 1-2 | -171494 |
| top | average opponent: 1430record: 3-3 | new rating: 1494 | ||