Magpantay, Marlon
Current rating: 1458
Record: 15-17-2
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 279 | Sy, Alvin Kennedy L (1555) | Won 2-1 | +181534 |
| 2standard | 294 | Co, Lei (1484) | Lost 1-2 | -191515 |
| 3standard | 372 | Javier, Bernard (1500) | Lost 1-2 | -181497 |
| 4standard | 429 | Ebreo, James Christian (1501) | Lost 0-2 | -181479 |
| 5standard | 622 | Wong, Sain Lup (1334) | Lost 1-2 | -201459 |
| 6standard | 574 | Rodelas, Earl (1445) | Lost 0-2 | -191440 |
| 7standard | 543 | Torres, Lex (1425) | Won 2-0 | +181458 |
| 8standard | 449 | Natividad, Lawrence (1462) | Won 2-0 | +181476 |
| 9standard | 354 | Datuin, Mark David (1464) | Lost 0-2 | -181458 |
| top | average opponent: 1463record: 3-6 | new rating: 1458 | ||
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 337 | Vinagrera, Emmanuel (1535) | Lost 1-2 | -181521 |
| 2standard | 372 | Basconcillo, Marc (1446) | Lost 0-1 | -201501 |
| 3standard | 457 | Arbiol, Andro Luigi Al (1465) | Won 2-0 | +181519 |
| 4standard | 410 | Caelian, Joel (1482) | Lost 1-2 | -191500 |
| 5standard | 506 | Ocbina, Michael (1466) | Won 2-0 | +171517 |
| 6standard | 405 | Atrillano, Ervin Shaun (1482) | Won 2-0 | +181535 |
| 7standard | 339 | Hung, James O (1554) | Lost 1-2 | -181517 |
| 8standard | 290 | Cequena, Ralph Wilson (1478) | Won 2-1 | +171534 |
| 9standard | 259 | Suarez, Robert Gerald (1499) | Lost 0-2 | -181516 |
| top | average opponent: 1490record: 4-5 | new rating: 1516 | ||
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 330 | Cu, Philip F (1500) | Won 2-0 | +191501 |
| 2standard | 119 | Alaman, Juan Carlos (1518) | Won 2-1 | +181519 |
| 3standard | 60 | Reyes, Marvin (1618) | Won 2-0 | +201539 |
| 4standard | 102 | Baje, Eugene Ernesto W (1558) | Lost 0-2 | -181521 |
| 5standard | 121 | Valencia, Raymond (1534) | Lost 0-2 | -181503 |
| 6standard | 175 | Espiritu, Kevin (1518) | Won 2-0 | +191522 |
| 7standard | 197 | Doza, Melvin (1513) | Won 2-1 | +171539 |
| 8standard | 100 | Tapat, John (1544) | Won 2-1 | +191558 |
| 9standard | 71 | Rivas, Raynand (1506) | Lost 0-2 | -191539 |
| top | average opponent: 1534record: 6-3 | new rating: 1539 | ||
| Grand Prix Manila 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 19 | Barretto, Anthony Glen (1500) | Draw 1-1 | 01500 |
| 2sealed | 82 | Coscolluela, Erik (1518) | Lost 0-2 | -181482 |
| 3sealed | 132 | Santa Maria, Chris Ale (1482) | Lost 1-2 | -181464 |
| 4sealed | 163 | Bernabe, Jeffrey (1464) | Won 2-0 | +181482 |
| 5sealed | 134 | Ramolete, Joseph (1482) | Lost 0-2 | -181464 |
| 6sealed | 140 | Lumbo, Francis (1464) | Draw 1-1 | 01464 |
| 7sealed | 132 | Pascual, Rhoneil Josep (1466) | Won 2-0 | +181482 |
| top | average opponent: 1482record: 2-3-2 | new rating: 1482 | ||