Amowas, Rafael Barona
Current rating: 1463
Record: 6-8
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 264 | Batayola, Julius (1500) | Won 2-0 | +181517 |
| 2standard | 225 | Villar, Ivan Louie (1557) | Lost 1-2 | -181499 |
| 3standard | 185 | Santos, Leo Carlos (1500) | Won 2-0 | +181517 |
| 4standard | 202 | Chu, Jose Mari (1520) | Lost 0-2 | -181499 |
| 5standard | 234 | Orellana, Menzi (1500) | Lost 0-2 | -181481 |
| 6standard | 324 | Banzuela, Alden (1452) | Lost 0-2 | -181463 |
| average opponent: 1505record: 2-4 | new rating: 1463 | |||
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 62 | Domocmat, Jeremy Bryan (1500) | Won 2-0 | +181518 |
| 2block | 145 | Francisco, Samuel Jacob S (1482) | Lost 0-2 | -191499 |
| 3block | 129 | Sabale, Jose Marie (1479) | Lost 1-2 | -181481 |
| 4block | 249 | Manahan, Marco Paulo (1482) | Lost 0-2 | -181463 |
| 5block | 247 | Baclig, Jonathan (1464) | Lost 0-2 | -181445 |
| 6block | 277 | Punsalan, Cesar C (1446) | Won 2-0 | +181463 |
| 7block | 212 | Trinidad, Ronald B (1464) | Won 2-1 | +181481 |
| 8block | 175 | Yong, Hock Tai (1459) | Won 2-1 | +181499 |
| average opponent: 1472record: 4-4 | new rating: 1499 | |||