Cheng, Melvin
Current rating: 1467
| Grand Prix Singapore 2018 (DOM standard) | starting rating: 1403 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 90 | Tjandra, Denver (1500) | Won 2-1 | +191422 |
| 2standard | 56 | Wong, Hudson (1643) | Won 2-1 | +221444 |
| 3standard | 159 | Zhuang, Lingzheng (1618) | Lost 1-2 | -141430 |
| 4standard | 135 | Law, Andriy (1610) | Lost 1-2 | -151415 |
| 5standard | 177 | Lim, Lawrence (1476) | Won 2-0 | +191434 |
| 6standard | 133 | Chye, Yian Hsiang (1922) | Lost 1-2 | -101424 |
| 7standard | 219 | Lim, Jay Vin (1488) | Won 2-0 | +191443 |
| 8standard | 156 | Law, Charles (1743) | Won 2-0 | +241467 |
| top | average opponent: 1625record: 5-3 | new rating: 1467 | ||
| Grand Prix Singapore 2017 (XLN limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 81 | Shahrin, Qayser (1500) | Lost 0-2 | -171434 |
| 2sealed | 171 | Fukutani, Mitumasa (1482) | Won 2-1 | +191453 |
| 3sealed | 172 | Tjiawi, Raymond (1497) | Lost 1-2 | -171436 |
| 4sealed | 215 | Chua, Zong En (1482) | Lost 0-2 | -181418 |
| 5sealed | 236 | Cho, Zheng Heng (1357) | Lost 0-2 | -191399 |
| 6sealed | 237 | Lee, Arnold [SGP] (1441) | Won 2-1 | +191418 |
| 7sealed | 211 | Prawira, Hartono (1566) | Lost 0-2 | -151403 |
| top | average opponent: 1475record: 2-5 | new rating: 1403 | ||
| Grand Prix Kuala Lumpur 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 606 | Song, Kaizheng (1560) | Lost 0-0 | -171483 |
| 4standard | 187 | Shahabudin, Nur (1493) | Lost 1-2 | -181465 |
| 5standard | 254 | van Heerden, Daniel (1522) | Lost 1-2 | -171448 |
| 6standard | 266 | Lim, Thomas Kean Juan (1482) | Won 2-0 | +191467 |
| 7standard | 230 | Suharlie, Andy (1500) | Lost 0-2 | -171450 |
| 8standard | 222 | Cheng, Jason (1495) | Lost 0-2 | -181432 |
| 9standard | 232 | Abbasher, Zane (1466) | Won 2-1 | +191451 |
| top | average opponent: 1503record: 2-5 | new rating: 1451 | ||