Ongchangco, Miguel Raf
Current rating: 1480
Record: 6-7-2
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 226 | rius, aisa (1500) | Won 2-0 | +181517 |
| 2standard | 47 | Galano, Richard Anthony (1490) | Lost 0-2 | -181499 |
| 3standard | 179 | Abalos, Aldouz Dondee (1500) | Draw 1-1 | 01499 |
| 4standard | 316 | Mangawang, Phillip Don (1500) | Won 2-1 | +181517 |
| 5standard | 214 | de Ocampo, Liezl (1519) | Lost 1-2 | -181499 |
| 6standard | 293 | Baldoza, Joseph Ryan (1500) | Draw 1-1 | 01499 |
| 7standard | 294 | Cabrera, Mark Benedict (1471) | Lost 0-2 | -191480 |
| average opponent: 1497record: 2-3-2 | new rating: 1480 | |||
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 78 | Blanco, Bimbo Sta Mari (1500) | Lost 1-2 | -181482 |
| 2block | 188 | Luis, Emmanuel Anthony (1483) | Won 2-0 | +181500 |
| 3block | 192 | Hernandez, Miko Dominik (1500) | Lost 1-2 | -181482 |
| 4block | 285 | Santos, Rufino (1481) | Lost 0-2 | -181464 |
| 5block | 249 | Pascual, Rhoneil Josep (1415) | Won 2-0 | +171481 |
| 6block | 246 | Quiray, Revo C (1482) | Won 2-1 | +181499 |
| 7block | 176 | Pablo, Mark Anthony (1500) | Won 2-1 | +181517 |
| 8block | 103 | Tibung, Marlon Jay (1518) | Lost 0-2 | -181499 |
| average opponent: 1485record: 4-4 | new rating: 1499 | |||