Estrada, Jose Jerrunn
Current rating: 1433
Record: 4-8
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 150 | Caballes, Lyle T (1500) | Lost 0-2 | -171429 |
| 2standard | 422 | Tan, Kurt Dominic T (1483) | Won 2-1 | +191448 |
| 3standard | 322 | Tecson, Mark David (1502) | Won 2-0 | +191467 |
| 4standard | 212 | mansayac, Emille (1518) | Lost 0-2 | -171450 |
| 5standard | 304 | Majul, Mathew (1500) | Lost 1-2 | -171433 |
| average opponent: 1501record: 2-3 | new rating: 1433 | |||
| Grand Prix Manila 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 16 | Jalijali, Alexis Brian (1500) | Lost 0-2 | -181482 |
| 2sealed | 144 | Lati, Clarence (1482) | Lost 0-2 | -181464 |
| 3sealed | 157 | Camangon, Christopher (1464) | Lost 0-2 | -181446 |
| 4sealed | 172 | Solano, Ronald Rolando (1446) | Lost 0-2 | -181428 |
| 5sealed | 170 | Tolledo, Harvey T (1427) | Lost 1-2 | -181410 |
| 6sealed | 155 | Bernabe, Jeffrey (1428) | Won 2-0 | +181428 |
| 7sealed | 136 | Bonifacio, Gilbert (1428) | Won 2-1 | +181446 |
| average opponent: 1454record: 2-5 | new rating: 1446 | |||