Seidel, Joshua
Current rating: 1525
Record: 9-9-1
| Regional Championships Atlanta 2023 (pioneer) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 390 | [anonymous] | Won 2-1 | +241510 |
| 2pioneer | 262 | Hicks, Brendan (1422) | Won 2-0 | +171527 |
| 3pioneer | 143 | Altamirano, Nick (1568) | Won 2-0 | +181545 |
| 4pioneer | 30 | Costa, Matthew (1971) | Lost 1-2 | -101535 |
| 5pioneer | 34 | Grenier, Zach (1545) | Lost 1-2 | -181517 |
| 6pioneer | 296 | Coleman, Larry (1448) | Won 2-0 | +171534 |
| 7pioneer | 154 | Zhang, Rei (1867) | Won 2-1 | +241558 |
| 8pioneer | 91 | Rucker, Darren (1735) | Lost 1-2 | -151543 |
| 9pioneer | 169 | Rollin, Brendan (1552) | Lost 1-2 | -181525 |
| top | average opponent: 1665record: 5-4 | new rating: 1525 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 586 | Martinez, Jose A (1500) | Lost 0-2 | -181505 |
| 2modern | 1375 | Matl, Codda (1435) | Lost 0-2 | -191486 |
| top | average opponent: 1468record: 0-2 | new rating: 1486 | ||
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 250 | Randall, Tyson (1500) | Won 2-0 | +181518 |
| 2standard | 405 | Merrifield, Patrick (1518) | Won 2-0 | +181536 |
| 3standard | 241 | Clarke, Collin (1590) | Lost 1-2 | -171519 |
| 4standard | 309 | Kiene, Thomas (1723) | Draw 1-1 | +41523 |
| 5standard | 314 | Drovetto, Tony (1520) | Won 2-0 | +181541 |
| 6standard | 210 | Burkey, Jacob (1557) | Lost 1-2 | -181523 |
| 7standard | 338 | Clark, Brandon (1493) | Won 1-0 | +171540 |
| 8standard | 228 | Melinkovich, Kyle (1587) | Lost 1-2 | -171523 |
| top | average opponent: 1561record: 4-3-1 | new rating: 1523 | ||