Estrada, Jose Maria
Current rating: 1450
Record: 4-7
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 476 | Manduriao, Jerome (1500) | Won 2-0 | +191483 |
| 2standard | 109 | Buelo, Neil (1518) | Lost 0-2 | -181465 |
| 3standard | 503 | Tam, Jeffrey (1501) | Won 2-1 | +191484 |
| 4standard | 229 | Costales, Franz Josef (1544) | Lost 0-2 | -171467 |
| 5standard | 430 | Cayubit, Aries (1502) | Lost 0-2 | -171450 |
| average opponent: 1513record: 2-3 | new rating: 1450 | |||
| Grand Prix Manila 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 29 | Sincero, Ramer (1500) | Lost 1-2 | -181482 |
| 2sealed | 136 | Bautista, Eduardo (1482) | Won 2-0 | +181500 |
| 3sealed | 75 | Eliserio, U (1500) | Won 2-1 | +181518 |
| 4sealed | 87 | Beley, Ronnie Paul (1518) | Lost 0-2 | -181500 |
| 5sealed | 100 | Rama, Philip Christopher (1501) | Lost 1-2 | -181482 |
| 6sealed | 120 | Lachica, Christopher (1482) | Lost 0-2 | -181464 |
| average opponent: 1497record: 2-4 | new rating: 1464 | |||