Zbierski, Brandon F
Current rating: 1478
Record: 6-8
| Grand Prix Kansas City 2008 (ALA limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 47 | Casteel, Josh (1500) | Won 2-0 | +191466 |
| 2sealed | 171 | Anderson, Marc (1474) | Won 2-1 | +181484 |
| 3sealed | 126 | Brennan, Tim (1535) | Lost 1-2 | -171467 |
| 4sealed | 150 | Finstrom, Jim (1643) | Won 2-0 | +211488 |
| 5sealed | 95 | Saylor, David (1673) | Lost 0-2 | -151473 |
| 6sealed | 186 | Cowan, Russell (1544) | Won 2-0 | +201493 |
| 7sealed | 133 | Lindler, Zac (1560) | Won 2-0 | +191512 |
| 8sealed | 87 | Pennock, Christopher C (1589) | Lost 1-2 | -171495 |
| 9sealed | 78 | Haley, Mike (1536) | Lost 1-2 | -171478 |
| average opponent: 1562record: 5-4 | new rating: 1478 | |||
| Grand Prix St. Louis 2006 (CSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 33 | Galindo, Michael P (1500) | Lost 1-2 | -181482 |
| 2sealed | 153 | Vlahovich, Heather J (1482) | Lost 0-2 | -181464 |
| 3sealed | 191 | Smith, Sean 2 (1464) | Won 2-1 | +181482 |
| 4sealed | 168 | Nuhring, Nate (1520) | Lost 0-2 | -171465 |
| 5sealed | 162 | Gray, Eric (1464) | Lost 1-2 | -181447 |
| average opponent: 1486record: 1-4 | new rating: 1447 | |||