Ammann, Brent T
Current rating: 1497
Record: 4-4
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 204 | Northrup, James (1500) | Won 2-0 | +181518 |
| 2sealed | 200 | Smith, Adam (1480) | Lost 0-2 | -191499 |
| 3sealed | 358 | Fulciniti, Mike (1484) | Won 2-0 | +181517 |
| 4sealed | 230 | Lester, Kevin J (1499) | Won 2-1 | +181535 |
| 5sealed | 92 | Lourie, Raine (1443) | Won 2-0 | +161551 |
| 6sealed | 132 | Carlson, Joseph J (1557) | Lost 0-2 | -181533 |
| 7sealed | 197 | Johnson, Mathew (1535) | Lost 1-2 | -181515 |
| 8sealed | 192 | Gebhart, Michael (1518) | Lost 0-2 | -181497 |
| average opponent: 1502record: 4-4 | new rating: 1497 | |||