Joyce, Sean
Current rating: 1501
Record: 20-21
| Regional Championships Atlanta 2022 (pioneer) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 1261 | Khan, Alec (1703) | Lost 0-2 | -151533 |
| 2pioneer | 1421 | Floro, Joshua (1589) | Lost 1-2 | -171516 |
| 3pioneer | 1415 | Cali, Rich (1730) | Lost 1-2 | -151501 |
| top | average opponent: 1674record: 0-3 | new rating: 1501 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1569 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 147 | Davis, Evan (1500) | Won 2-1 | +171586 |
| 2modern | 190 | Taylor, Chad (1585) | Lost 1-2 | -181568 |
| 3modern | 707 | Wilson, Erik (1445) | Won 2-1 | +161584 |
| 4modern | 447 | Erickson, Justin (1482) | Lost 1-2 | -201564 |
| 5modern | 601 | Johnson, Matt (1670) | Lost 0-2 | -161548 |
| top | average opponent: 1536record: 2-3 | new rating: 1548 | ||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1580 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 246 | Taekema, Jordan (1499) | Lost 0-2 | -201560 |
| 2standard | 404 | Clark, Gavin (1428) | Won 2-1 | +161576 |
| 3standard | 616 | Urasky, Kevin (1483) | Lost 0-2 | -201556 |
| 4standard | 682 | Petersen, Michael (1413) | Won 2-0 | +161572 |
| 5standard | 443 | Oak, Nathan (1502) | Won 0-0 | +161588 |
| 6standard | 357 | McCoy, Jeffrey (1532) | Lost 1-2 | -191569 |
| top | average opponent: 1476record: 3-3 | new rating: 1569 | ||
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 353 | Lester, Joshua (1500) | Won 2-1 | +181482 |
| 2modern | 405 | Hoover, Chris (1518) | Won 2-1 | +191501 |
| 3modern | 112 | Villao, Ruben (1423) | Won 2-1 | +161517 |
| 4modern | 59 | Severa, Matt (2016) | Won 2-0 | +271544 |
| 5modern | 2 | Musser, Dan (1995) | Lost 1-2 | -101534 |
| 6modern | 189 | Johnson, Courtney (1590) | Lost 1-2 | -171517 |
| 7modern | 336 | Norton, Daniel (1537) | Won 2-1 | +181535 |
| 8modern | 145 | Maassen, Philip (1535) | Won 2-0 | +181553 |
| 9modern | 95 | Bruno, Nicholas (1681) | Lost 0-2 | -161537 |
| 10modern | 1031 | Imrick, Thomas (1556) | Lost 0-2 | -171520 |
| 11modern | 1082 | Ida, Justin (1532) | Won 2-0 | +181538 |
| 12modern | 1041 | Eckard, Devin (1516) | Won 2-0 | +171555 |
| 13modern | 954 | Morris, John (1630) | Won 2-1 | +201575 |
| 14modern | 904 | Parnes, Stuart (1693) | Lost 0-2 | -161559 |
| 15modern | 953 | Bedsole, Hayden (1712) | Won 2-1 | +211580 |
| top | average opponent: 1629record: 10-5 | new rating: 1580 | ||
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 299 | Carson, Arthur (1477) | Lost 0-2 | -181485 |
| 2standard | 367 | Woods, Hayden (1426) | Won 2-0 | +171502 |
| 3standard | 366 | Green, Garryn (1446) | Lost 0-2 | -191483 |
| 4standard | 482 | Smith, Steven (1416) | Lost 0-2 | -191464 |
| top | average opponent: 1441record: 1-3 | new rating: 1464 | ||
| Grand Prix Dallas-Fort Worth 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 237 | Del Valle, Gary (1587) | Won 2-0 | +201520 |
| 2standard | 277 | Gomez, Sergio (1539) | Lost 0-2 | -181502 |
| 3standard | 409 | Silk, Christian (1500) | Won 2-1 | +181520 |
| 4standard | 244 | Dauzat, Bobby (1522) | Won 2-1 | +181538 |
| 5standard | 199 | Swift, Orrin (1724) | Won 2-1 | +211559 |
| 6standard | 130 | Scheuermann, Alex (1589) | Lost 0-2 | -171542 |
| 7standard | 201 | Gonzalez, Johnny (1472) | Lost 0-2 | -191523 |
| 8standard | 242 | Moore, Alex (1452) | Lost 1-2 | -201503 |
| top | average opponent: 1548record: 4-4 | new rating: 1503 | ||