Zainal Abidin, Hizaruddin
Current rating: 1546
Record: 12-12-2
| Regional Championships Singapore 2022 (pioneer) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 40 | Tan, Chin Heng (1746) | Lost 0-2 | -141473 |
| 2pioneer | 63 | Hee, Chung Wye (1576) | Won 2-1 | +201493 |
| 3pioneer | 33 | Wong, Eugene (1780) | Lost 1-2 | -131480 |
| 4pioneer | 45 | Poh, Liang Choong (1625) | Won 2-1 | +211501 |
| 5pioneer | 44 | Ong, Jeremy (1523) | Won 2-0 | +181519 |
| 6pioneer | 30 | Chaovarindr, Thirawat (1785) | Lost 0-2 | -131506 |
| 7pioneer | 41 | Primicias, James Joash (1496) | Won 2-1 | +181524 |
| 8pioneer | 28 | Wijaya, Christian (1760) | Won 2-0 | +221546 |
| top | average opponent: 1661record: 5-3 | new rating: 1546 | ||
| Grand Prix Singapore 2017 (XLN limited) | starting rating: 1436 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 505 | Taira, Shunichi (1700) | Lost 1-2 | -131423 |
| 2sealed | 152 | Choi, Kwok Keong (1570) | Lost 1-2 | -151408 |
| 3sealed | 246 | Ler, Pris (1354) | Draw 1-1 | -11407 |
| 4sealed | 246 | Burgos Rodriguez, Adrian (1396) | Won 2-0 | +171424 |
| 5sealed | 216 | Lorenzo, Hanz Nikon (1503) | Won 2-0 | +201444 |
| 6sealed | 170 | Lopez Rodriguez, Alex (1647) | Won 2-1 | +221466 |
| 7sealed | 506 | Wu, Yang Lin (1472) | Won 2-0 | +181484 |
| 8sealed | 89 | Ang, Clement (1587) | Lost 1-2 | -161468 |
| 9sealed | 504 | Mohammad-Jafari, Omeed (1531) | Won 2-1 | +191487 |
| top | average opponent: 1529record: 5-3-1 | new rating: 1487 | ||
| Grand Prix Kuala Lumpur 2016 (KLD standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 12 | Lee, Sean (1514) | Lost 0-2 | -171447 |
| 3standard | 276 | Kumar, Mylen (1427) | Draw 0-0 | 01447 |
| 4standard | 235 | Lim, Leslie (1468) | Won 2-1 | +181465 |
| 5standard | 171 | Goshima, Akito (1765) | Lost 0-2 | -131452 |
| 6standard | 224 | Widjaja, Anthony Husein (1553) | Lost 0-2 | -161436 |
| top | average opponent: 1546record: 1-3-1 | new rating: 1436 | ||
| Grand Prix Singapore 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 34 | Pok, Xavier Zheng Hao (1500) | Lost 0-2 | -181482 |
| 2modern | 307 | Lee, Chao Yi (1548) | Lost 0-2 | -171465 |
| 3modern | 509 | Tang, Jian Ye Nicholas (1410) | Won 2-0 | +171482 |
| 4modern | 486 | Kian Cheong, Aik (1481) | Lost 0-2 | -181464 |
| top | average opponent: 1485record: 1-3 | new rating: 1464 | ||