Gwin, Brian
Current rating: 1411
Record: 10-16-4
| Grand Prix Dallas-Fort Worth 2018 (DOM limited) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 150 | Gordy, Chris (1630) | Lost 0-2 | -151425 |
| 2sealed | 315 | Beauvais, Davis (1479) | Draw 1-1 | +11426 |
| 3sealed | 439 | Everett, Stephen (1464) | Won 2-1 | +191445 |
| 4sealed | 367 | Sweet, Parker (1499) | Lost 0-2 | -171428 |
| 5sealed | 408 | Matchniff, Paul (1482) | Lost 0-2 | -171411 |
| top | average opponent: 1511record: 1-3-1 | new rating: 1411 | ||
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 264 | Gadbury, Eric (1454) | Won 2-1 | +181470 |
| 2modern | 335 | Sherburne, Jason (1500) | Won 2-0 | +191489 |
| 3modern | 366 | Biggers, Dustin (1683) | Lost 0-2 | -151474 |
| 4modern | 426 | Scott, Bryan (1455) | Lost 0-2 | -181456 |
| 5modern | 743 | Boehm, Christopher (1581) | Lost 1-2 | -161440 |
| top | average opponent: 1535record: 2-3 | new rating: 1440 | ||
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 127 | Sterns, Matthew (1464) | Won 2-0 | +181487 |
| 2sealed | 86 | Frausto, Victor (1521) | Lost 0-2 | -181469 |
| 3sealed | 442 | Davies, Reese (1500) | Lost 1-2 | -171452 |
| 4sealed | 635 | Trotman, Kerry (1481) | Lost 0-2 | -181434 |
| 5sealed | 627 | Thiele, Robert (1414) | Won 2-1 | +181452 |
| top | average opponent: 1476record: 2-3 | new rating: 1452 | ||
| Grand Prix Memphis 2015 (FRF standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 183 | Denman, Michael (1500) | Draw 1-1 | 01483 |
| 2standard | 262 | Hakenewerth, Andrew (1500) | Draw 1-1 | +11484 |
| 3standard | 425 | Sickles, Brendan (1558) | Won 2-1 | +191503 |
| 4standard | 326 | Franklin, Kadeem (1518) | Draw 1-1 | 01503 |
| 5standard | 323 | Phillips, Chris (1481) | Lost 1-2 | -181485 |
| 6standard | 365 | Miller, Dustin (1585) | Lost 0-2 | -161469 |
| top | average opponent: 1524record: 1-2-3 | new rating: 1469 | ||
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 325 | Todd, Jameson A (1425) | Lost 0-1 | -191481 |
| 2sealed | 464 | Alvey, James (1482) | Won 2-0 | +181499 |
| 3sealed | 492 | Alexander, Maxwell (1487) | Lost 1-2 | -191480 |
| 4sealed | 534 | Dameron, Beau (1433) | Lost 1-2 | -181462 |
| 5sealed | 504 | Gonzalez, Adrian [USA] (1462) | Won 2-0 | +181480 |
| 6sealed | 413 | Blue, Nolan (1483) | Lost 0-2 | -181462 |
| 7sealed | 391 | Lafrance, Rowen (1464) | Won 2-0 | +181480 |
| 8sealed | 333 | Fulton, Brittany (1671) | Lost 0-2 | -151465 |
| 9sealed | 300 | Lases, David (1462) | Won 2-0 | +181483 |
| top | average opponent: 1485record: 4-5 | new rating: 1483 | ||