Ledon, Joseph Ryan Q
Current rating: 1449
Record: 7-10-1
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 135 | Asi, Leonard Emerson (1483) | Lost 1-2 | -181464 |
| 2standard | 463 | Sauza, Oscar John (1482) | Draw 1-1 | +11465 |
| 3standard | 564 | Lapitan, Mark Christian (1482) | Lost 0-2 | -181447 |
| 4standard | 616 | Dionisio, Jonas (1464) | Lost 1-2 | -181429 |
| 5standard | 636 | Aquino, Wilmor Ryan (1445) | Won 2-0 | +191448 |
| 6standard | 542 | Escano, Jorel A (1464) | Won 2-0 | +181466 |
| 7standard | 434 | Escano, Robert (1479) | Won 2-0 | +181484 |
| 8standard | 319 | Nismal, Michael Andrew (1500) | Lost 0-2 | -181466 |
| 9standard | 340 | Retazo, Reynan (1498) | Lost 0-2 | -171449 |
| average opponent: 1478record: 3-5-1 | new rating: 1449 | |||
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 304 | Superticioso, Mars (1525) | Lost 0-2 | -181482 |
| 2standard | 465 | Silverio, Veremi Rom S (1482) | Lost 1-2 | -181464 |
| 3standard | 481 | Maralit, Marco Antonio (1464) | Won 2-0 | +181482 |
| 4standard | 437 | Guinocan, Ralph Dino M (1482) | Lost 1-2 | -181464 |
| 5standard | 427 | Mamon, Jann Martin Pae (1464) | Lost 0-2 | -181446 |
| 6standard | 484 | Villanueva, Kristian K (1446) | Lost 0-2 | -181428 |
| 7standard | 453 | Purificacion, Frangelico (1425) | Won 2-0 | +181446 |
| 8standard | 375 | Reyes, Kyle (1446) | Won 2-0 | +181464 |
| 9standard | 304 | Javellana, Joshua (1463) | Won 2-1 | +181482 |
| average opponent: 1466record: 4-5 | new rating: 1482 | |||