Joseph, Jon Houston Ma
Current rating: 1463
Record: 2-4
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 55 | Estrella, Luis T (1502) | Won 2-0 | +181518 |
| 2standard | 109 | Roxas, Richey (1482) | Won 2-0 | +171535 |
| 3standard | 122 | Bay, Rav (1518) | Lost 1-2 | -181517 |
| 4standard | 167 | Laurel, Claro ii (1519) | Lost 0-2 | -181499 |
| 5standard | 246 | Demavivas, Arthur (1516) | Lost 1-2 | -181481 |
| 6standard | 363 | De Leon, Jonathan (1483) | Lost 1-2 | -181463 |
| average opponent: 1503record: 2-4 | new rating: 1463 | |||