Yau, Heen Onn
Current rating: 1498
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 533 | Notake, Shozaburo (1724) | Draw 1-1 | +51471 |
| 2sealed | 535 | Arai, Shunya (1500) | Won 2-0 | +181489 |
| 3sealed | 555 | Hitachi, Kyle (1518) | Won 2-1 | +191508 |
| 4sealed | 289 | Tanaka, Hayato (1670) | Won 2-0 | +211529 |
| 5sealed | 145 | Yasui, Shigeto (1637) | Lost 0-2 | -161513 |
| 6sealed | 341 | Shinohara, Gen 8933 (1786) | Won 2-1 | +221535 |
| 7sealed | 210 | Wu, Yanfei (1420) | Lost 1-2 | -201515 |
| 8sealed | 357 | Tokumiya, Hirofumi (1546) | Lost 1-2 | -171498 |
| top | average opponent: 1600record: 4-3-1 | new rating: 1498 | ||
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 110 | Lee, Mattheus En Wen (1500) | Lost 0-2 | -181464 |
| 2sealed | 267 | Villangca, Paul (1533) | Lost 0-2 | -171447 |
| 3sealed | 366 | Tang, Jian Ye Nicholas (1464) | Lost 0-2 | -171430 |
| 4sealed | 389 | Bay, Zhiyang Dexter (1434) | Won 2-0 | +181448 |
| 5sealed | 343 | Ong, Henry (1465) | Won 2-1 | +181466 |
| top | average opponent: 1479record: 2-3 | new rating: 1466 | ||
| Grand Prix Singapore 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 55 | Yeo, Kian Giap (1500) | Draw 1-1 | 01500 |
| 2sealed | 55 | chuan, sun (1500) | Lost 0-2 | -181482 |
| 3sealed | 83 | Tan, Chian Chin (1482) | Won 2-0 | +181500 |
| 4sealed | 76 | Fu, Kenneth Shi Hong (1516) | Draw 1-1 | 01500 |
| 5sealed | 91 | Lu, Chee Yuen (1482) | Won 2-0 | +181518 |
| 6sealed | 72 | Lie, Sunny (1522) | Lost 0-2 | -181500 |
| 7sealed | 79 | Ong, Kiat Sing (1483) | Lost 1-2 | -181482 |
| top | average opponent: 1498record: 2-3-2 | new rating: 1482 | ||