Florkowski, William
Current rating: 1503
Record: 4-4-1
| Grand Prix Atlanta 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 423 | Smith, Gary M (1500) | Lost 0-2 | -181482 |
| 2extended | 565 | Herbert, Rich (1669) | Lost 1-2 | -151467 |
| 3extended | 640 | Noel, Michael (1415) | Lost 0-2 | -191448 |
| 4extended | 678 | Willis, Kevin D (1446) | Won 2-0 | +181466 |
| 5extended | 640 | Pulaski, James (1463) | Won 2-1 | +181484 |
| 6extended | 589 | Pendergast, Thomas (1499) | Draw 1-1 | +11485 |
| 7extended | 563 | Lannaday, Dan (1482) | Won 2-0 | +181503 |
| 8extended | 520 | Caron, Alex (1500) | Won 2-1 | +171520 |
| 9extended | 482 | Manning, Ryan (1538) | Lost 0-2 | -171503 |
| average opponent: 1501record: 4-4-1 | new rating: 1503 | |||