Wiberg, Barrett J
Current rating: 1464
Record: 1-3
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 65 | Mooney, Chris (1479) | Won 2-0 | +181518 |
| 2sealed | 201 | erickson, mike l (1538) | Lost 1-2 | -181500 |
| 3sealed | 354 | Johnston, Adam (1489) | Lost 0-2 | -181482 |
| 4sealed | 370 | Pechin, Andrew S (1481) | Lost 0-2 | -181464 |
| average opponent: 1497record: 1-3 | new rating: 1464 | |||