Choy, Kevin
Current rating: 1386
Record: 5-12
| Grand Prix Kuala Lumpur 2014 (THS limited) | starting rating: 1405 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 14 | Ito, Hidetoshi (1354) | Lost 0-2 | -191386 |
| top | record: 0-1 | new rating: 1386 | ||
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1415 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 79 | Lin, Livis (1533) | Won 2-1 | +201435 |
| 2sealed | 185 | Chen, Ian (1500) | Won 2-0 | +191454 |
| 3sealed | 17 | Ong, Calvin Xuan Qiang (1564) | Lost 0-2 | -161438 |
| 4sealed | 233 | Chew, Mickey Kian Ngia (1521) | Lost 0-2 | -171421 |
| 5sealed | 231 | Goh, Guo Wei (1501) | Lost 1-2 | -161405 |
| top | average opponent: 1524record: 2-3 | new rating: 1405 | ||
| Grand Prix Singapore 2011 (NPH standard) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 56 | Shah Ahmad, Izwan (1430) | Lost 0-2 | -181430 |
| 2standard | 144 | Lim, Wei Teng (1482) | Lost 1-2 | -171413 |
| 3standard | 220 | Poon, Liang Zheng (1464) | Won 2-1 | +191432 |
| 4standard | 237 | Triphonratana, Boonyarit (1471) | Lost 0-2 | -171415 |
| top | average opponent: 1462record: 1-3 | new rating: 1415 | ||
| Grand Prix Singapore 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 47 | Chieng, Siong Wei Albe (1500) | Lost 0-2 | -181482 |
| 2extended | 124 | Koh, Zhi Sin (1465) | Won 2-1 | +181500 |
| 3extended | 86 | Ong, Quan Yi (1500) | Won 2-1 | +181518 |
| 4extended | 110 | Hung, Chi Hang (1635) | Lost 0-2 | -161502 |
| 5extended | 126 | Cancio, John Michael (1500) | Lost 1-2 | -181484 |
| 6extended | 133 | Alstrom, Daniel (1498) | Lost 0-2 | -181466 |
| 7extended | 120 | Ng, Ming jun (1480) | Lost 0-2 | -181448 |
| top | average opponent: 1511record: 2-5 | new rating: 1448 | ||