De Guzman, Alvin Nicks
Current rating: 1463
Record: 3-5
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 156 | Manuel, Frederick (1500) | Lost 0-2 | -181482 |
| 2block | 223 | Hermosilla, Alfred Martin (1503) | Lost 0-2 | -181464 |
| 3block | 279 | De Ocampo, Jay-Jay Kim (1464) | Lost 0-2 | -181446 |
| 4block | 302 | Tuason, Mac (1446) | Won 2-1 | +181464 |
| 5block | 281 | Romualdez, Peter Micha (1463) | Won 2-1 | +181482 |
| 6block | 249 | Lo, Chien Hung (1433) | Lost 0-2 | -191463 |
| 7block | 232 | Galiste, Bryan Erd (1464) | Lost 1-2 | -181445 |
| 8block | 216 | Miranda, Marc Allan (1446) | Won 2-0 | +181463 |
| average opponent: 1465record: 3-5 | new rating: 1463 | |||