Chalmers, Zach
Current rating: 1521
Record: 4-3
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 561 | Ferguson, Henry (1498) | Won 2-0 | +181518 |
| 2sealed | 82 | Myers, Nicholas (1488) | Lost 1-2 | -191499 |
| 3sealed | 593 | Brown, William 0450 (1500) | Won 2-0 | +181517 |
| 4sealed | 563 | Guy, Stacy (1649) | Lost 0-2 | -151502 |
| 5sealed | 630 | Myrick, Matthew (1499) | Won 2-0 | +181520 |
| 6sealed | 529 | Akeley, Peter (1604) | Lost 1-2 | -171503 |
| 7sealed | 474 | Krusinski, Michael (1503) | Won 2-0 | +181521 |
| average opponent: 1534record: 4-3 | new rating: 1521 | |||