Gwynn, Michael
Current rating: 1390
Record: 8-17-2
| Grand Prix Atlanta 2019 (legacy) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 143 | Butler, Jessie (1651) | Lost 0-2 | -141423 |
| 2legacy | 313 | Wayne, Eric (1482) | Draw 1-1 | +11424 |
| 3legacy | 428 | Griffey, Twitch (1484) | Lost 1-2 | -171407 |
| 4legacy | 460 | Mason, Mark (1465) | Lost 0-2 | -171390 |
| top | average opponent: 1521record: 0-3-1 | new rating: 1390 | ||
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1393 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 255 | Merrill, Barry (1500) | Won 2-1 | +201413 |
| 2sealed | 68 | Owens, Brandon (1485) | Won 0-0 | +191432 |
| 3sealed | 21 | Butchko, John (1511) | Won 2-1 | +191451 |
| 4sealed | 32 | Pyka, Jeffrey (1858) | Lost 0-2 | -111440 |
| 5sealed | 95 | Manfield, Seth (2120) | Won 2-1 | +291469 |
| 6sealed | 115 | Cullum, Travis (1619) | Lost 0-2 | -151454 |
| 7sealed | 213 | Leenhouts, Garrick (1511) | Lost 0-2 | -171437 |
| top | average opponent: 1658record: 4-3 | new rating: 1437 | ||
| Grand Prix Atlanta 2018 (modern) | starting rating: 1442 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 69 | Temenak, Robert (1647) | Lost 0-2 | -141428 |
| 2modern | 433 | Beane, Jarett (1415) | Lost 0-2 | -181410 |
| 3modern | 670 | Zevallos, Shaina (1463) | Lost 1-2 | -171393 |
| top | average opponent: 1508record: 0-3 | new rating: 1393 | ||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 217 | Aeillo, Jason (1464) | Won 2-0 | +181486 |
| 2modern | 271 | Lefevre, Sam (1593) | Lost 0-2 | -161470 |
| 3modern | 929 | Vanderbeek, Eric (1514) | Draw 1-1 | +11471 |
| 4modern | 142 | Rinehart-Jones, Charlie (1802) | Lost 0-2 | -121459 |
| 5modern | 777 | Kilgore, Jared (1538) | Lost 1-2 | -171442 |
| top | average opponent: 1582record: 1-3-1 | new rating: 1442 | ||
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 635 | Dyer, Steven (1426) | Won 2-1 | +181481 |
| 2sealed | 224 | Brangan, Alexander (1517) | Won 2-1 | +181499 |
| 3sealed | 392 | Clunan, Jeremy (1534) | Lost 1-2 | -171482 |
| 4sealed | 511 | Cores, Ari (1716) | Lost 1-2 | -141468 |
| top | average opponent: 1548record: 2-2 | new rating: 1468 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 43 | Daddio, Christopher (1520) | Lost 0-2 | -181482 |
| 2modern | 455 | Little, Gregory (1429) | Lost 0-2 | -191463 |
| 3modern | 646 | Higginbotham, Daniel (1463) | Won 2-0 | +181481 |
| 4modern | 600 | Bressler, Michael (1481) | Lost 0-2 | -181463 |
| top | average opponent: 1473record: 1-3 | new rating: 1463 | ||