Mast, Chris
Current rating: 1465
Record: 4-6
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 50 | Hegberg, Jared (1481) | Won 2-0 | +171501 |
| 2sealed | 228 | Baughman, Kyle (1516) | Won 2-0 | +191520 |
| 3sealed | 113 | Murphey, Matthew (1541) | Lost 0-2 | -181502 |
| 4sealed | 379 | Brecher, Ezekiel (1489) | Lost 1-2 | -181484 |
| 5sealed | 568 | Smith, Brian (1442) | Lost 1-2 | -191465 |
| average opponent: 1494record: 2-3 | new rating: 1465 | |||
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 544 | Starkey, Lon (1361) | Won 2-1 | +151515 |
| 2sealed | 465 | McDuffie, Korey (1832) | Lost 0-2 | -121503 |
| 3sealed | 670 | Gavin, Talor (1499) | Lost 1-2 | -181485 |
| 4sealed | 661 | Harvey, Mike (1435) | Won 2-1 | +171502 |
| 5sealed | 567 | Celestin, Scott (1472) | Lost 0-2 | -181484 |
| average opponent: 1520record: 2-3 | new rating: 1484 | |||