Ngiam, William Wai Luen
Current rating: 1408
Record: 14-20-2
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 204 | Yanagawa, Tomoyuki (1442) | Won 2-0 | +181451 |
| 2sealed | 439 | Takahashi, Eiji (1677) | Lost 0-2 | -141437 |
| 3sealed | 946 | Hikino, Takeshi (1504) | Draw 1-1 | +11438 |
| 4sealed | 760 | Oe, Rei (1502) | Lost 1-2 | -171421 |
| 5sealed | 859 | Kono, Jun (1520) | Won 2-0 | +201441 |
| 6sealed | 674 | Seki, Kazuhiko (1550) | Lost 0-2 | -161425 |
| 7sealed | 619 | Yap, Lyndon (1479) | Lost 1-2 | -171408 |
| top | average opponent: 1525record: 2-4-1 | new rating: 1408 | ||
| Grand Prix Kuala Lumpur 2016 (KLD standard) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 116 | Panganiban, Paolo (1476) | Won 2-1 | +181496 |
| 2standard | 29 | Gondo, Kosuke (1564) | Lost 0-2 | -171479 |
| 3standard | 232 | Soh, Eugene (1533) | Won 0-0 | +191498 |
| 4standard | 164 | Sia, Pei Ren (1622) | Lost 0-2 | -161482 |
| 5standard | 233 | Hussein, Rudy (1559) | Lost 0-2 | -161466 |
| 6standard | 280 | Razlan, Adam Idy (1492) | Won 2-0 | +181484 |
| 7standard | 182 | Li, Maxwell (1650) | Lost 1-2 | -151469 |
| 8standard | 240 | Gahon, Randolfh Alain (1425) | Lost 0-2 | -191450 |
| 9standard | 238 | Gondowijoyo, Kevin (1463) | Lost 0-2 | -171433 |
| top | average opponent: 1532record: 3-6 | new rating: 1433 | ||
| Grand Prix Singapore 2015 (modern) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 342 | Chong Sheng Ryan, Oon (1500) | Won 2-1 | +181513 |
| 2modern | 166 | Yesertener, Burak (1538) | Lost 1-2 | -181495 |
| 3modern | 396 | Wei Quan Eugene, (1500) | Lost 1-2 | -181477 |
| 4modern | 381 | Raymond Stewart, Matth (1481) | Lost 0-2 | -181459 |
| 5modern | 483 | Tho Kai Long, Bryan (1467) | Won 2-0 | +191478 |
| 6modern | 359 | Estampador, Jun (1483) | Won 2-1 | +181496 |
| 7modern | 306 | Wong, Jiabin (1501) | Lost 0-2 | -181478 |
| top | average opponent: 1496record: 3-4 | new rating: 1478 | ||
| Grand Prix Kuala Lumpur 2014 (THS limited) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 63 | Fadzrun, Ahmad (1500) | Lost 1-2 | -181517 |
| 2sealed | 290 | Chaitip, Supoj (1402) | Lost 0-2 | -201497 |
| 3sealed | 430 | Abdul Rahim, Abdul Had (1464) | Lost 1-2 | -191478 |
| 4sealed | 425 | Yasui, Yusuke (1411) | Won 2-1 | +171495 |
| top | average opponent: 1444record: 1-3 | new rating: 1495 | ||
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 214 | Wijaya, Vincent H (1500) | Draw 1-1 | 01500 |
| 2sealed | 211 | Ashraf, Muhd Bin Muhd (1500) | Won 2-0 | +181518 |
| 3sealed | 126 | Tantono, Dennison (1518) | Lost 1-2 | -181500 |
| 4sealed | 261 | Kurniawan, Andri (1444) | Won 2-1 | +171517 |
| 5sealed | 196 | Sim, Michael (1520) | Won 2-0 | +181535 |
| 6sealed | 119 | Tjahjono, Handy (1506) | Won 2-1 | +181553 |
| 7sealed | 72 | Huang, Shiqin (1560) | Lost 0-2 | -181535 |
| 8sealed | 131 | Cho, Derek Jun Hao (1570) | Won 2-0 | +181553 |
| 9sealed | 90 | Narayanan, Murali (1555) | Lost 0-2 | -181535 |
| top | average opponent: 1519record: 5-3-1 | new rating: 1535 | ||