Sia, Ervin Jacob
Current rating: 1525
Record: 4-3
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 437 | Ibay, Arvin (1500) | Lost 1-2 | -181482 |
| 2standard | 506 | Trinidad, Ray Melton T (1455) | Won 2-1 | +181500 |
| 3standard | 474 | Motus, Kevin (1504) | Won 2-1 | +181518 |
| 4standard | 332 | De Jose, Raffy (1474) | Won 2-1 | +171535 |
| 5standard | 102 | Ikawa, Yoshihiko (1891) | Won 2-0 | +241559 |
| 6standard | 133 | Mohd Nasir, Mohd Ikmal (1738) | Lost 1-2 | -151544 |
| 7standard | 197 | Zulkarnaen, Onny (1493) | Lost 0-2 | -191525 |
| average opponent: 1579record: 4-3 | new rating: 1525 | |||