Trinidad, Melchor
Current rating: 1295
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1365 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 407 | Gahon, Randolfh Alain (1500) | Lost 0-2 | -161349 |
| 2standard | 449 | Cabangcalan, Val Raymond (1508) | Lost 0-2 | -151334 |
| 3standard | 491 | Chua, Raymond Anthony (1466) | Won 2-0 | +211355 |
| 4standard | 420 | Manzano, Anton (1465) | Lost 0-2 | -161339 |
| 5standard | 508 | Regalado, Jonathan (1465) | Won 2-0 | +201359 |
| 6standard | 362 | Guevarra, Oliver Grego (1481) | Lost 0-2 | -161343 |
| 7standard | 392 | Bongao, Arnold Irving (1459) | Lost 0-2 | -161327 |
| 8standard | 393 | Go, Ginelle Anna Katri (1445) | Lost 1-2 | -161311 |
| 9standard | 338 | Dorado, Earl Dorilag (1427) | Lost 0-2 | -161295 |
| top | average opponent: 1469record: 2-7 | new rating: 1295 | ||
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 39 | Cahanding, Wil (1500) | Won 2-0 | +201448 |
| 2standard | 93 | Sanchez, Rizalino Jose (1600) | Lost 0-2 | -161432 |
| 3standard | 259 | Paruginog, Marlon (1500) | Lost 0-2 | -161416 |
| 4standard | 362 | Damoco, Tenni (1465) | Lost 0-2 | -171399 |
| 5standard | 421 | Borabo, Erickson (1464) | Lost 0-1 | -171382 |
| 6standard | 412 | Olaguera, Ron Michael (1446) | Lost 1-2 | -171365 |
| top | average opponent: 1496record: 1-5 | new rating: 1365 | ||
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 129 | Maquilan, Paul John (1500) | Lost 1-2 | -181482 |
| 2block | 207 | Quimson, Emmanuel A (1482) | Lost 0-2 | -181464 |
| 3block | 249 | Tuason, Mac (1464) | Won 2-0 | +181482 |
| 4block | 270 | Lorenzo, Hanz Nikon (1482) | Lost 0-2 | -181464 |
| 5block | 287 | Capili, Tristan (1480) | Lost 0-2 | -181446 |
| 6block | 264 | Concepcion, Reynaldo (1447) | Won 2-0 | +181464 |
| 7block | 225 | Bautista, Gabriel (1464) | Lost 0-2 | -181446 |
| 8block | 213 | Araneta, Terence (1449) | Lost 1-2 | -181428 |
| top | average opponent: 1471record: 2-6 | new rating: 1428 | ||