Ong, Jason James
Current rating: 1500
Record: 4-4
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 245 | Vistro, Carlo (1445) | Won 2-1 | +171517 |
| 2block | 1 | Semana, Randy (1569) | Won 2-0 | +191536 |
| 3block | 18 | de Leon, Earl Christopher (1536) | Lost 0-2 | -181518 |
| 4block | 126 | Cabillos, Manuel Ian L (1518) | Lost 1-2 | -181500 |
| 5block | 164 | Rodriguez, Benjie (1501) | Lost 1-2 | -181482 |
| 6block | 243 | Mandap, James Patrick (1482) | Won 2-0 | +181500 |
| 7block | 148 | Domingo, Randolph Dizo (1500) | Won 2-1 | +181518 |
| 8block | 94 | Zainuddin, Shamsul Bahrin (1501) | Lost 1-2 | -181500 |
| average opponent: 1506record: 4-4 | new rating: 1500 | |||