Keng, Alex
Current rating: 1488
| Grand Prix Brisbane 2017 (modern) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 117 | Fulko, Scott (1688) | Lost 1-2 | -151528 |
| 4modern | 190 | Hearing, Ryan (1482) | Lost 1-2 | -191509 |
| 5modern | 205 | Armstrong, Kimberley (1518) | Won 2-0 | +181527 |
| 6modern | 265 | Davies, Steve (1519) | Lost 1-2 | -181509 |
| 7modern | 251 | Donaldson, Charlie (1537) | Lost 0-2 | -181491 |
| 8modern | 277 | Ulcoq, Thomas (1453) | Won 2-0 | +181509 |
| 9modern | 229 | Telfer, Paul (1374) | Lost 1-2 | -211488 |
| top | average opponent: 1510record: 2-5 | new rating: 1488 | ||
| Grand Prix Singapore 2015 (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 122 | Legge, Grace (1488) | Won 2-0 | +181500 |
| 2modern | 94 | Mohd Johari, Mohd Johan Jefri (1496) | Won 2-0 | +181518 |
| 3modern | 222 | Chiong, Marvin (1654) | Lost 1-2 | -151503 |
| 4modern | 143 | Ty, James (1505) | Won 2-0 | +181521 |
| 5modern | 80 | Teo, Yi Chiang (1668) | Won 2-1 | +211542 |
| 6modern | 143 | Visser, Tyler (1614) | Won 2-1 | +191561 |
| 7modern | 57 | Samanta, Rupa (1527) | Lost 0-2 | -191542 |
| 8modern | 73 | Tan Zheng Ye, Johannes (1565) | Lost 0-2 | -171525 |
| 9modern | 175 | Ong Kit Teck, Bryan (1537) | Won 2-0 | +181543 |
| top | average opponent: 1562record: 6-3 | new rating: 1543 | ||
| Grand Prix Taipei 2014 (M15 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 81 | Matsumoto, Masataka (1666) | Lost 1-2 | -151485 |
| 2sealed | 257 | Chang, Cheng-yi (1481) | Won 2-0 | +181503 |
| 3sealed | 233 | Notake, Shozaburo (1482) | Lost 1-2 | -181485 |
| 4sealed | 323 | Wong, Christopher [HKG] (1554) | Won 2-1 | +191504 |
| 5sealed | 237 | Murao, Masaaki (1391) | Lost 1-2 | -201484 |
| 6sealed | 304 | Sha, Han-Chieh (1436) | Won 2-0 | +171501 |
| 7sealed | 212 | Jung, Jaechul (1472) | Lost 0-2 | -191482 |
| top | average opponent: 1497record: 3-4 | new rating: 1482 | ||