Oandasan, Anna Aleta P
Current rating: 1482
Record: 3-4-1
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 47 | Los Aries Noel, Jocson (1500) | Won 2-0 | +181518 |
| 2block | 125 | Maat, Daren Y (1518) | Lost 0-2 | -181500 |
| 3block | 172 | Puno, Owen Ross (1499) | Won 2-1 | +181518 |
| 4block | 140 | Binalla, Edsel B (1518) | Lost 0-2 | -181500 |
| 5block | 176 | Cayanan, Melrick B (1499) | Won 2-0 | +181518 |
| 6block | 103 | ang, peter (1518) | Lost 1-2 | -181500 |
| 7block | 172 | Gonzales, Joseph Ryan (1500) | Draw 1-1 | 01500 |
| 8block | 156 | Legaspi, Gilbert (1502) | Lost 0-2 | -181482 |
| average opponent: 1507record: 3-4-1 | new rating: 1482 | |||