Cahya, Rio
Current rating: 1537
Record: 8-6
| Grand Prix Singapore 2015 (modern) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 153 | Yeo, Johnson (1455) | Lost 0-2 | -201541 |
| 2modern | 416 | Sing, Charlie (1482) | Won 2-0 | +171558 |
| 3modern | 368 | How, Wai Chun (1500) | Lost 0-2 | -191539 |
| 4modern | 409 | Lee, Cheng Han (1538) | Won 2-1 | +171556 |
| 5modern | 340 | Choo, Li Boon Joel (1460) | Lost 0-2 | -191537 |
| average opponent: 1487record: 2-3 | new rating: 1537 | |||
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 169 | Hendrawan, Joseph (1540) | Won 2-0 | +191519 |
| 2sealed | 40 | Chen, Ming Qi (1518) | Lost 1-2 | -181501 |
| 3sealed | 231 | Pablo, Mark Anthony (1435) | Won 2-0 | +171518 |
| 4sealed | 208 | Kong, Chong Teng (1667) | Won 2-0 | +201538 |
| 5sealed | 150 | Zhang, Zhong Han (1536) | Lost 0-2 | -181520 |
| 6sealed | 153 | Lee, Robert (1555) | Won 2-0 | +191539 |
| 7sealed | 87 | Heng, Chye Hwee (1744) | Won 2-1 | +221561 |
| 8sealed | 64 | See, Kenny (1535) | Lost 0-2 | -191542 |
| 9sealed | 124 | Micheal, Nicholos (1569) | Won 2-0 | +191561 |
| average opponent: 1567record: 6-3 | new rating: 1561 | |||