Herdman, Jason
Current rating: 1465
Record: 1-3
| Grand Prix Las Vegas 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 133 | Silvius, Greg (1500) | Lost 0-1 | -181482 |
| 2extended | 163 | Ostroumov, Alexander (1533) | Won 2-1 | +191501 |
| 3extended | 108 | Cerefice, Gary (1501) | Lost 1-2 | -181483 |
| 4extended | 172 | Hall, Harley (1481) | Lost 0-2 | -181465 |
| average opponent: 1504record: 1-3 | new rating: 1465 | |||