Seefeldt, Nathan
Current rating: 1528
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 436 | Paustian, Maxwell (1482) | Lost 1-2 | -191528 |
| top | record: 0-1 | new rating: 1528 | ||
| Grand Prix Madison 2015 (BFZ limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 179 | Livingston, Cooper (1542) | Won 2-0 | +191501 |
| 2sealed | 350 | Kayali, Omar (1518) | Won 2-0 | +181519 |
| 3sealed | 146 | Ramirez Sanchez, Emmanuel (1858) | Lost 0-2 | -121507 |
| 4sealed | 435 | Clark, Ryan (1542) | Lost 0-2 | -171490 |
| 5sealed | 526 | Anderson, Erik (1491) | Won 2-1 | +181508 |
| 6sealed | 274 | Nelson, Cody (1518) | Won 2-0 | +181526 |
| 7sealed | 167 | Sanders, Robert (1553) | Lost 1-2 | -171509 |
| 8sealed | 238 | Donnan, Blake (1603) | Won 2-0 | +191528 |
| 9sealed | 170 | Toering, Kyle (1555) | Won 2-1 | +191547 |
| top | average opponent: 1576record: 6-3 | new rating: 1547 | ||
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 300 | Haskin, Benjamin J (1500) | Won 2-1 | +181518 |
| 2sealed | 165 | Fitzgerald, Neil (1517) | Won 2-0 | +181536 |
| 3sealed | 125 | Aesoph, Seth (1552) | Lost 1-2 | -181518 |
| 4sealed | 248 | Babar, Zee Shan (1518) | Lost 0-2 | -181500 |
| 5sealed | 311 | Worthley, Wesley R (1485) | Lost 1-2 | -181482 |
| top | average opponent: 1514record: 2-3 | new rating: 1482 | ||