Martinez, Joyal
Current rating: 1482
Record: 6-7
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 81 | Cruz, Ruel (1482) | Won 2-0 | +181519 |
| 2standard | 99 | To, Leander (1518) | Lost 0-2 | -181501 |
| 3standard | 186 | De Leon, Angelo (1465) | Won 2-0 | +171518 |
| 4standard | 193 | Arabes, Paul Timothy (1518) | Lost 0-2 | -181500 |
| 5standard | 302 | Aguila, Jansen (1500) | Lost 1-2 | -181482 |
| average opponent: 1497record: 2-3 | new rating: 1482 | |||
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 126 | Mandap, James Patrick (1500) | Lost 1-2 | -181482 |
| 2block | 232 | Sy, Benigno Francisco (1482) | Won 2-0 | +181500 |
| 3block | 113 | Tanedo, Boyd Vincent (1500) | Won 2-0 | +181518 |
| 4block | 116 | Beley, Ronnie Paul (1582) | Lost 0-2 | -171501 |
| 5block | 154 | Mamokan, Emran S (1501) | Lost 0-2 | -181483 |
| 6block | 245 | Aquino, Sherwin (1481) | Won 2-1 | +181501 |
| 7block | 191 | Quidayan, John Neil (1497) | Won 2-1 | +181519 |
| 8block | 105 | Pilarta, Willson A (1516) | Lost 1-2 | -181501 |
| average opponent: 1507record: 4-4 | new rating: 1501 | |||