Comstock, Nathan
Current rating: 1575
Record: 17-13
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 97 | Warner, Christopher (1500) | Lost 0-2 | -191549 |
| 2sealed | 641 | Duelfer, Matthew (1514) | Won 2-1 | +181567 |
| 3sealed | 445 | Raz, Wesley (1444) | Won 2-1 | +151582 |
| 4sealed | 253 | Weston, Jon (1519) | Lost 0-2 | -191563 |
| 5sealed | 440 | Burck, Donald (1506) | Won 2-0 | +171580 |
| 6sealed | 287 | Bulgrin, Brad (1515) | Won 2-0 | +171597 |
| 7sealed | 162 | Tierney, Matt (1579) | Won 2-0 | +181615 |
| 8sealed | 222 | Smith Jr, Greg (1515) | Lost 0-2 | -201595 |
| 9sealed | 199 | Schmidt, Alec (1469) | Lost 0-2 | -201575 |
| top | average opponent: 1507record: 5-4 | new rating: 1575 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 355 | Mayen, Steven (1500) | Won 2-0 | +171553 |
| 2modern | 24 | Deacon, Shaun (1571) | Won 2-0 | +191572 |
| 3modern | 35 | Brozovich, Alex (1595) | Won 2-1 | +181590 |
| 4modern | 278 | Wolloch, Sam (1628) | Lost 0-2 | -171573 |
| 5modern | 176 | Lampkin, Patrick (1534) | Won 2-1 | +171590 |
| 6modern | 80 | Achorn, Stephen (1536) | Lost 0-2 | -191571 |
| 7modern | 124 | Kuhn, Kory (1534) | Won 2-1 | +171588 |
| 8modern | 149 | King, Kevin (1482) | Lost 0-2 | -201568 |
| top | average opponent: 1547record: 5-3 | new rating: 1568 | ||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 168 | Gelsinger, Benjamin (1519) | Won 2-0 | +181533 |
| 3sealed | 42 | Lukens, Joshua H (1596) | Lost 0-1 | -171516 |
| 4sealed | 374 | Tolpingrud, Nils (1615) | Won 2-1 | +201536 |
| 5sealed | 311 | Schulz, Zachary (1537) | Won 2-1 | +181554 |
| 6sealed | 101 | Hince, Abram (1552) | Lost 1-2 | -181536 |
| 7sealed | 210 | Donst, Aaron (1541) | Won 2-1 | +181554 |
| 8sealed | 173 | Yasdiman, Mehmet (1550) | Lost 1-2 | -181536 |
| top | average opponent: 1559record: 4-3 | new rating: 1536 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 63 | Acevedo, Daniel (1536) | Lost 0-2 | -171483 |
| 5sealed | 172 | Barger, Jordan (1536) | Won 2-0 | +191502 |
| 6sealed | 73 | Toups, Andrew (1592) | Lost 1-2 | -171485 |
| 7sealed | 182 | Martell, Tom (2129) | Lost 1-2 | -71478 |
| 8sealed | 181 | Marino, Cory (1517) | Won 2-1 | +181496 |
| 9sealed | 121 | McDaniel, Kyle (1531) | Won 2-0 | +191515 |
| top | average opponent: 1640record: 3-3 | new rating: 1515 | ||