Lefkowitz, Aaron D
Current rating: 1534
Record: 4-2-2
| Grand Prix Chicago 2009 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 147 | Mayer, David (1484) | Won 2-1 | +181518 |
| 2legacy | 73 | Swartz, Ben (1477) | Lost 0-2 | -191499 |
| 3legacy | 250 | Wolf, Jeremy (1501) | Won 2-0 | +181517 |
| 4legacy | 361 | Pozsgay, Michael (1534) | Draw 1-1 | 01517 |
| 5legacy | 264 | Abold, Matthew (1568) | Won 2-1 | +191536 |
| 6legacy | 179 | Daniels, Brendan M (1501) | Won 2-1 | +181554 |
| 7legacy | 101 | Grant, Harry T (1537) | Draw 1-1 | -11553 |
| 8legacy | 163 | Welsh, Jason (1472) | Lost 0-2 | -191534 |
| average opponent: 1509record: 4-2-2 | new rating: 1534 | |||