Williams, Andy
Current rating: 1535
Record: 5-3
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 264 | Demain, Shawn (1500) | Lost 1-2 | -181482 |
| 2sealed | 407 | Rodriguez, Patrick M (1481) | Won 2-0 | +181500 |
| 3sealed | 314 | Dabrowsh, Josh (1500) | Won 2-1 | +181518 |
| 4sealed | 251 | Bluhm, Todd (1518) | Won 2-0 | +181536 |
| 5sealed | 217 | Guralski, Alex (1539) | Won 2-1 | +181554 |
| 6sealed | 135 | Osherovich, Lev (1495) | Won 2-1 | +171571 |
| 7sealed | 27 | Gualtieri, Mike (1556) | Lost 0-2 | -181553 |
| 8sealed | 108 | Chosa, Michael (1552) | Lost 0-2 | -181535 |
| average opponent: 1518record: 5-3 | new rating: 1535 | |||