Doza, Melvin
Current rating: 1495
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 31 | Villa, Ralph Joseph (1500) | Won 2-0 | +181493 |
| 2standard | 148 | Llamas, Joseph (1518) | Won 2-1 | +191512 |
| 3standard | 6 | Laudencia, Mikhail (1517) | Won 2-0 | +181530 |
| 4standard | 87 | Aguillar, Mon Kenneth (1556) | Won 2-0 | +181548 |
| 5standard | 52 | Deriquito, Roseller (1572) | Lost 1-2 | -171531 |
| 6standard | 56 | Advincula, Allan (1557) | Lost 1-2 | -181513 |
| 7standard | 197 | Magpantay, Marlon (1522) | Lost 1-2 | -181495 |
| top | average opponent: 1534record: 4-3 | new rating: 1495 | ||
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 59 | Alejano, Jaime Bigorni (1500) | Won 2-0 | +181482 |
| 2block | 65 | Guerrero, Raphael (1518) | Won 2-0 | +191501 |
| 3block | 31 | Moore, John Sarmiento (1501) | Lost 0-2 | -181483 |
| 4block | 165 | Tayamen, Jan Randy D (1518) | Won 2-1 | +191502 |
| 5block | 107 | Tan, Richmark H (1535) | Won 2-1 | +181520 |
| 6block | 64 | Mendoza, Paul (1602) | Won 2-1 | +201540 |
| 7block | 22 | Manansala, Bayani (1633) | Won 2-0 | +191559 |
| 8block | 21 | Kurihara, Shingou (1965) | ID | 01559 |
| 9block | 26 | Jamir, Joselito Alberto (1463) | Lost 1-2 | -191540 |
| 10block | 20 | Roxas, Neil (1586) | Lost 1-2 | -171523 |
| 11block | 28 | Sirilertvorakul, Veerapat (1692) | Lost 0-2 | -151508 |
| 12block | 30 | Phanchaicharoen, Viroj (1629) | Lost 1-2 | -161492 |
| 13block | 31 | Allouche, Yohan (1545) | Lost 0-2 | -171475 |
| top | average opponent: 1591record: 6-6-1 | new rating: 1475 | ||
| Grand Prix Manila 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 71 | cabarles, paul vincent (1500) | Draw 1-1 | 01500 |
| 2sealed | 83 | Cabrera, Alphonsous Joseph (1500) | Draw 1-1 | 01500 |
| 3sealed | 126 | Quintong, Edgar (1482) | Won 2-1 | +181518 |
| 4sealed | 96 | Dela Cruz, Guillermo (1518) | Lost 1-2 | -181500 |
| 5sealed | 126 | Vinagrera, Emmanuel (1500) | Lost 0-2 | -181482 |
| 6sealed | 136 | Macutay, Ramon (1482) | Lost 1-2 | -181464 |
| top | average opponent: 1497record: 1-3-2 | new rating: 1464 | ||