Kupka, Tony
Current rating: 1481
Record: 3-4
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 86 | Tackaberry, Scott (1500) | Won 2-0 | +181518 |
| 2sealed | 288 | Virkus, Gabriel (1518) | Won 2-0 | +181536 |
| 3sealed | 189 | Law, Alvin (1532) | Lost 1-2 | -181518 |
| 4sealed | 256 | Rietze, Robert (1540) | Lost 1-2 | -181500 |
| 5sealed | 348 | Bohn, Micah (1454) | Won 2-0 | +171517 |
| 6sealed | 227 | Weber, Jordan (1515) | Lost 0-2 | -181499 |
| 7sealed | 256 | Henrigillis, Nathan (1484) | Lost 0-2 | -181481 |
| average opponent: 1506record: 3-4 | new rating: 1481 | |||