Mack, Andrew
Current rating: 1481
Record: 1-2
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 315 | Lantz, Patrick c (1500) | Won 2-0 | +181518 |
| 2sealed | 207 | Hoffmann, Daniel (1490) | Lost 0-2 | -191499 |
| 3sealed | 337 | Santiago, Jason (1499) | Lost 1-2 | -181481 |
| average opponent: 1496record: 1-2 | new rating: 1481 | |||