Sebastian, Bryan J
Current rating: 1541
Record: 5-3
| Grand Prix Birmingham 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 4 | Fisher, Matthew K (1500) | Won 2-0 | +181518 |
| 2block | 114 | Kajala, Kaisa (1606) | Lost 1-2 | -161502 |
| 3block | 173 | Bernstein, Steve (1501) | Won 2-1 | +181520 |
| 4block | 148 | Ratcliffe, Mark (1467) | Lost 1-2 | -191501 |
| 5block | 156 | Fang, Zhengyang (1482) | Won 2-1 | +171518 |
| 6block | 154 | Dee, Aaron (1521) | Won 0-0 | +181536 |
| 7block | 63 | Martin, Wolfram (1502) | Won 2-1 | +181554 |
| 8block | 84 | Rohner, Omar (1861) | Lost 0-2 | -131541 |
| average opponent: 1555record: 5-3 | new rating: 1541 | |||