Berthiaune, Brad
Current rating: 1464
Record: 1-3
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 332 | Ulmer, Chris (1500) | Lost 1-2 | -181482 |
| 2sealed | 342 | Rufer, Stephen D (1482) | Lost 1-2 | -181464 |
| 3sealed | 505 | Henrickson, Brandon (1464) | Lost 0-2 | -181446 |
| 4sealed | 518 | Williams, Brandon (1448) | Won 2-0 | +181464 |
| average opponent: 1473record: 1-3 | new rating: 1464 | |||