Zea, Tammy L
Current rating: 1485
Record: 4-5
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 16 | Cooper, Mike (1500) | Won 2-0 | +181518 |
| 2sealed | 243 | Last, Ian (1540) | Lost 1-2 | -181500 |
| 3sealed | 313 | Abraham, Mike (1660) | Lost 1-2 | -151485 |
| 4sealed | 475 | Heid, Jesse (1482) | Won 2-1 | +181503 |
| 5sealed | 361 | Cecchetti, Daniel (1556) | Won 2-1 | +191522 |
| 6sealed | 243 | Kendall, Joe (1516) | Lost 1-2 | -181504 |
| 7sealed | 262 | Kimble, Tyler (1501) | Lost 1-2 | -181486 |
| 8sealed | 200 | Rothenberger, Deryck M (1440) | Lost 1-2 | -191467 |
| 9sealed | 48 | Halamka, Richard (1465) | Won 2-0 | +181485 |
| average opponent: 1518record: 4-5 | new rating: 1485 | |||