Barki, Mark
Current rating: 1446
Record: 3-6
| Grand Prix Chicago 2009 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 323 | Foss, Cody (1500) | Won 2-0 | +181518 |
| 2legacy | 19 | Jumaoas, Kris Karlo R (1470) | Lost 0-2 | -191499 |
| 3legacy | 265 | Cruz, Joseph M (1500) | Lost 0-2 | -181481 |
| 4legacy | 465 | Gearhart, David (1556) | Won 2-0 | +201501 |
| 5legacy | 349 | Borowicz, Brandon (1483) | Lost 1-2 | -191482 |
| 6legacy | 386 | Robillard, Raymond (1491) | Lost 0-2 | -181464 |
| 7legacy | 319 | Babcock, Timothy (1464) | Lost 1-2 | -181446 |
| 8legacy | 246 | Mattei-Lownes, Joshua (1446) | Won 2-0 | +181464 |
| 9legacy | 188 | Lubman, Jacob (1465) | Lost 0-2 | -181446 |
| average opponent: 1486record: 3-6 | new rating: 1446 | |||