Coffin, Nate
Current rating: 1603
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1578 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 32 | Torrence Jr., Dwellie (1500) | Won 2-1 | +171595 |
| 2sealed | 263 | Wilson, Ryan (1592) | Lost 1-2 | -181577 |
| 3sealed | 412 | Lian, Alex (1620) | Won 2-1 | +191596 |
| 4sealed | 191 | Tengi, Eric (1522) | Won 2-0 | +161612 |
| 5sealed | 319 | Kenyon, Thomas (1630) | Won 2-0 | +191631 |
| 6sealed | 60 | Sigrist, Mike (2070) | Lost 0-2 | -111620 |
| 7sealed | 198 | Zheng, Zhen (1680) | Lost 1-2 | -171603 |
| top | average opponent: 1659record: 4-3 | new rating: 1603 | ||
| Grand Prix New Jersey 2017 (lim) (XLN limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 318 | Mehta, Rohan (1500) | Won 2-1 | +181538 |
| 2sealed | 56 | Ning, Justin (1517) | Won 2-0 | +171555 |
| 3sealed | 218 | Zhou, Zirui (1864) | Lost 0-2 | -121543 |
| 4sealed | 164 | Cohen, Mike (1692) | Won 2-0 | +211564 |
| 5sealed | 184 | Place, Kevin (1553) | Won 2-1 | +171581 |
| 6sealed | 159 | Stadtfeld, Matthias (1561) | Won 2-1 | +181599 |
| 7sealed | 32 | Nichols, Peden (1848) | Lost 0-2 | -141585 |
| 8sealed | 116 | Hinkle, Charles (1826) | Lost 1-2 | -131572 |
| 9sealed | 141 | Boland, Cole (1609) | Won 2-1 | +181590 |
| 10draft | 29 | Tan, Richard (1971) | Lost 1-2 | -111579 |
| 11draft | 97 | Sundrani, Vikas (1572) | Won 2-0 | +181597 |
| 12draft | 120 | Colligan, Aidan (1569) | Lost 1-2 | -191578 |
| top | average opponent: 1674record: 7-5 | new rating: 1578 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 1305 | Jones, Jeff (1551) | Lost 0-2 | -171483 |
| 3modern | 1353 | Danielczyk, Wayne (1505) | Won 2-1 | +181501 |
| 4modern | 1214 | Pace, Joshua (1520) | Won 2-1 | +191520 |
| 5modern | 1266 | Ilich, Chris (1527) | Won 2-0 | +181538 |
| 6modern | 1150 | Leaman, Patrick (1536) | Won 2-1 | +181556 |
| 7modern | 1054 | Ford, Brian (1560) | Lost 0-2 | -181538 |
| 8modern | 1117 | Montalvo, Alec (1553) | Lost 1-2 | -181520 |
| top | average opponent: 1536record: 4-3 | new rating: 1520 | ||