Andreotti, John A
Current rating: 1487
Record: 2-3
| Grand Prix Chicago 2009 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 382 | Hewitt, Brian P (1500) | Won 2-0 | +181518 |
| 2legacy | 105 | Olson, Erik (1520) | Won 2-1 | +181536 |
| 3legacy | 179 | Utter-Leyton, Josh (1748) | Lost 1-2 | -141522 |
| 4legacy | 342 | Adamiak, Dale (1483) | Lost 0-2 | -191503 |
| 5legacy | 347 | Wowelko, Nicholas (1590) | Lost 0-2 | -161487 |
| average opponent: 1568record: 2-3 | new rating: 1487 | |||