Wirth, Joel
Current rating: 1483
Record: 20-21
| Grand Prix Austin 2020 (modern) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 233 | Webb, Andrew (1603) | Lost 0-2 | -161481 |
| 2modern | 301 | Lazo, James (1457) | Lost 1-2 | -181463 |
| 3modern | 373 | Garcia III, Joe (1556) | Won 2-0 | +191482 |
| 4modern | 334 | Gardner, Mark (1430) | Lost 1-2 | -191463 |
| 5modern | 308 | Stearns, Christopher (1469) | Won 2-0 | +181481 |
| 6modern | 242 | Mallick, Fezz (1585) | Won 2-1 | +201501 |
| 7modern | 178 | Morrison, William (1504) | Lost 1-2 | -181483 |
| top | average opponent: 1515record: 3-4 | new rating: 1483 | ||
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 439 | Schilling, Matthew (1500) | Lost 0-2 | -191538 |
| 2modern | 469 | Kuch, Kanon (1460) | Won 2-0 | +161554 |
| 3modern | 321 | Gilpin, Stephen (1499) | Lost 0-2 | -191535 |
| 4modern | 476 | Barrera-Palacios, Bernabe (1477) | Lost 0-1 | -191516 |
| 5modern | 521 | Aniceto, Jay-Jay (1448) | Lost 1-2 | -191497 |
| top | average opponent: 1477record: 1-4 | new rating: 1497 | ||
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1585 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 68 | Lore, Nick (1634) | Lost 1-2 | -171568 |
| 2modern | 534 | Centner, Joe (1500) | Lost 1-2 | -191549 |
| 3modern | 888 | Sisneros, Darrin (1395) | Lost 0-2 | -211528 |
| 4modern | 940 | Goulet, Michael (1445) | Won 2-1 | +171545 |
| 5modern | 812 | Martinez, Roland (1462) | Lost 1-2 | -201525 |
| 6modern | 852 | Cano, Braian (1363) | Won 2-1 | +151540 |
| 7modern | 724 | Spell, David (1465) | Won 2-0 | +171557 |
| top | average opponent: 1466record: 3-4 | new rating: 1557 | ||
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1599 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 89 | Peralez, Jake (1719) | Won 2-1 | +201619 |
| 4standard | 41 | Wiper, Charles (1654) | Won 2-1 | +191638 |
| 5standard | 34 | Roohi, Arya (1588) | Lost 0-2 | -191619 |
| 6standard | 79 | May, Alec (1651) | Lost 0-2 | -181601 |
| 7standard | 363 | League, Charles (1846) | Won 2-1 | +231624 |
| 8standard | 127 | Walker, Avery (1560) | Lost 0-2 | -191605 |
| 9standard | 322 | Estrada, Cory (1534) | Lost 0-2 | -201585 |
| top | average opponent: 1650record: 3-4 | new rating: 1585 | ||
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 245 | Cantu, Jesse James (1462) | Won 2-1 | +171517 |
| 2standard | 62 | Lockingen, Dustin (1518) | Won 1-0 | +181535 |
| 3standard | 71 | Alexander, Reed (1537) | Won 2-0 | +181553 |
| 4standard | 23 | Wibel, Shane (1439) | Won 2-0 | +161569 |
| 5standard | 33 | Garcia, Daniel [USA] (1554) | Won 2-1 | +181587 |
| 6standard | 14 | Simon, Michael (1726) | Lost 0-2 | -151572 |
| 7standard | 40 | White, B.J. (1568) | Won 2-1 | +171589 |
| 8standard | 41 | Brown, Jacob (1656) | Won 2-1 | +201609 |
| 9standard | 13 | Nguyen, D (1604) | Won 2-1 | +181627 |
| 10standard | 10 | Perez, Elan (1628) | Lost 1-2 | -181609 |
| 11standard | 18 | Jacobson, Mark (1915) | Lost 1-2 | -131596 |
| 12standard | 35 | Thomason, Timothy (1861) | Lost 0-2 | -131583 |
| 13standard | 48 | Said, Bassel (1546) | Won 2-1 | +171600 |
| 14standard | 28 | Booth, Warren (1632) | Won 2-0 | +191619 |
| 15standard | 27 | Flores, Christopher (1528) | Lost 1-2 | -201599 |
| top | average opponent: 1612record: 10-5 | new rating: 1599 | ||