Uy, Mary Ann Tan
Current rating: 1581
Record: 10-5
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 128 | Ho, Fu Shing (1500) | Lost 0-2 | -191535 |
| 2block | 251 | Santos, Jose Carlos (1482) | Won 2-0 | +171552 |
| 3block | 140 | Bayutas, Benjamin (1500) | Lost 1-2 | -191533 |
| 4block | 248 | Arroyo, Xavier Dominic (1483) | Won 2-1 | +171550 |
| 5block | 168 | Ubay, Carmelo (1497) | Won 2-0 | +171567 |
| 6block | 114 | Go, Arnold James Franc (1519) | Won 2-0 | +171584 |
| 7block | 117 | Mendoza, Ryan [PHL] (1537) | Won 2-0 | +171601 |
| 8block | 42 | Indrakesuma, Taufik (1503) | Lost 0-2 | -201581 |
| average opponent: 1503record: 5-3 | new rating: 1581 | |||
| Grand Prix Manila 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 116 | Crisostomo, Jeffrey (1500) | Won 2-1 | +181518 |
| 2sealed | 43 | Pamintuan, Pio Johann (1518) | Lost 1-2 | -181500 |
| 3sealed | 61 | Bailon, Angelo M (1500) | Won 2-0 | +181518 |
| 4sealed | 61 | Potter, Michael (1505) | Lost 1-2 | -181500 |
| 5sealed | 96 | Viguilla, Warlito (1500) | Won 2-0 | +181518 |
| 6sealed | 71 | Eco, Edencio Quincy B (1518) | Won 2-0 | +181536 |
| 7sealed | 55 | Acelajado, Jovar (1536) | Won 2-0 | +181554 |
| average opponent: 1511record: 5-2 | new rating: 1554 | |||