Huffman, Sam
Current rating: 1653
Record: 13-7-2
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 597 | Anguiano, Christian (1469) | Won 2-1 | +171575 |
| 4sealed | 591 | Pattaro, Eloi Ugo (1704) | Won 2-1 | +201595 |
| 5sealed | 580 | Huang, Hantao (1586) | Won 2-1 | +181613 |
| 6sealed | 560 | Wu, Timothy (2035) | Won 2-1 | +251638 |
| 7sealed | 519 | Walker, Noah (2022) | Lost 1-2 | -111627 |
| 8sealed | 573 | Wiznitzer, Aryeh (1929) | Lost 1-2 | -131614 |
| 9sealed | 635 | Runyon, John (1770) | Lost 1-2 | -151599 |
| 10draft | 931 | Yannopoulos, Elias (1475) | Lost 1-2 | -201579 |
| 11draft | 927 | Wong, Daniel (1584) | Won 2-1 | +181597 |
| 12draft | 934 | Sittner, Alex (1975) | Won 2-1 | +241621 |
| 13draft | 826 | Tharmaratnam, Samuel (1861) | Draw 1-1 | +51626 |
| 14draft | 865 | Majlaton, Alex (1936) | Draw 1-1 | +51631 |
| 15draft | 859 | Bonde, Michael (1869) | Won 2-1 | +221653 |
| average opponent: 1786record: 7-4-2 | new rating: 1653 | |||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 564 | Klein, Kyle (1500) | Lost 1-2 | -181482 |
| 2sealed | 690 | Gong, Daniel (1482) | Won 2-0 | +181500 |
| 3sealed | 699 | Shepley, Kyle (1498) | Won 2-1 | +181518 |
| 4sealed | 282 | Bush, Adam (1481) | Lost 0-2 | -191499 |
| 5sealed | 522 | Cruz, Rene (1497) | Won 2-1 | +181517 |
| 6sealed | 388 | Neal, Ryan (1449) | Won 2-1 | +171534 |
| 7sealed | 344 | Clayman, Abraham (1524) | Won 2-0 | +181552 |
| 8sealed | 286 | Wu, Gavin (1543) | Won 2-1 | +181570 |
| 9sealed | 81 | Maginnis, Peter (1952) | Lost 1-2 | -121558 |
| average opponent: 1547record: 6-3 | new rating: 1558 | |||