Johnston, William
Current rating: 1484
Record: 2-3
| Grand Prix Denver 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 47 | Chestnut, Robin (1500) | Won 2-1 | +181518 |
| 2block | 131 | Hanson, Daniel (1661) | Lost 0-2 | -151503 |
| 3block | 218 | Roeder, Karl A (1482) | Lost 1-2 | -191484 |
| 4block | 222 | Locklear, Travis (1482) | Won 2-0 | +181502 |
| 5block | 201 | Umamoto, Lora (1499) | Lost 1-2 | -181484 |
| average opponent: 1525record: 2-3 | new rating: 1484 | |||