Gregorio, Melvin
Current rating: 1529
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 138 | Tam, Fritz Walter (1517) | Won 2-1 | +171551 |
| 2standard | 28 | Pablo, Mark Anthony (1500) | Lost 1-2 | -191532 |
| 3standard | 147 | Cristobal, Charles (1500) | Lost 1-2 | -181514 |
| 4standard | 338 | Leonor, Christopher Eric (1483) | Won 2-0 | +171531 |
| 5standard | 265 | Soriano, David B (1500) | Won 2-0 | +181549 |
| 6standard | 228 | Hermosilla, Alfred Martin (1535) | Won 2-0 | +171566 |
| 7standard | 96 | Aurelio, Felix Mark (1538) | Lost 0-2 | -181548 |
| 8standard | 190 | Dagondon, Niel (1520) | Lost 1-2 | -191529 |
| top | average opponent: 1512record: 4-4 | new rating: 1529 | ||
| Grand Prix Kuala Lumpur 2010 (WWK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 7 | Alvarez, Michele (1500) | Won 2-0 | +181518 |
| 2standard | 102 | Yang, Joshua (1780) | Lost 1-2 | -131505 |
| 3standard | 150 | Sung, Terence S (1482) | Won 2-1 | +171522 |
| 4standard | 94 | Ng, Jason (1518) | Lost 0-2 | -181504 |
| 5standard | 154 | Joo, Yong Chin (1460) | Won 2-0 | +171521 |
| 6standard | 140 | Ong, Vincent (1518) | Won 2-0 | +181539 |
| 7standard | 94 | Yaocheng, Mark (1641) | Won 2-0 | +201559 |
| 8standard | 75 | Qiu, Junliang (1508) | Won 2-0 | +171576 |
| 9standard | 50 | Chen, Liang (1749) | Lost 1-2 | -151561 |
| 10standard | 39 | Yap, Jason (1622) | Lost 0-2 | -171544 |
| 12standard | 47 | Li, Cheuk Yin (1687) | Lost 1-2 | -151529 |
| 13standard | 46 | Seah, Danny (1608) | Won 2-1 | +191548 |
| 14standard | 41 | Mohd Nasir, Mohd Ikmal (1725) | Lost 0-2 | -141534 |
| top | average opponent: 1600record: 7-6 | new rating: 1534 | ||
| Grand Prix Manila 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 124 | Quintong, Edgar (1500) | Draw 1-1 | 01500 |
| 2sealed | 84 | Rabago, Rudolph (1500) | Won 2-0 | +181518 |
| 3sealed | 53 | Vicente, Eduardo M (1518) | Lost 0-2 | -181500 |
| 4sealed | 107 | Lunas, Reginald Brian (1499) | Lost 1-2 | -181482 |
| 5sealed | 131 | Ubay, Carmelo (1482) | Won 2-0 | +181500 |
| 6sealed | 95 | Roxas, Neil (1500) | Lost 0-2 | -181482 |
| 7sealed | 116 | Barawid, Howell (1482) | Won 2-0 | +181500 |
| top | average opponent: 1497record: 3-3-1 | new rating: 1500 | ||