Brantley, Stephen
Current rating: 1577
Record: 13-9
| Grand Prix Phoenix 2020 (pioneer) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 247 | Decourcy, Joseph (1486) | Lost 1-2 | -191534 |
| 3pioneer | 447 | Wallace, Benjamin (1445) | Won 2-0 | +161550 |
| 4pioneer | 420 | Moore, Collin (1468) | Lost 0-2 | -191531 |
| 5pioneer | 385 | Ballinger, Bradley (1449) | Won 2-0 | +161547 |
| 6pioneer | 293 | Graham, Micheal (1484) | Won 2-0 | +171564 |
| 7pioneer | 246 | Kindler, Jim (1273) | Won 2-1 | +131577 |
| top | average opponent: 1434record: 4-2 | new rating: 1577 | ||
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1202 | Pearson, Austin (1596) | Won 2-1 | +191555 |
| 2modern | 1192 | Liu, Yue (1464) | Lost 1-2 | -201535 |
| 3modern | 1204 | Conner, Richard (1483) | Won 2-0 | +171552 |
| 4modern | 1201 | Deakins, Crystal (1444) | Won 2-0 | +171569 |
| 5modern | 1189 | Gonzalez Iturriaga, Francisco (1586) | Won 2-0 | +181587 |
| 6modern | 1182 | Manabat, Philip (1631) | Lost 1-2 | -171570 |
| 7modern | 1188 | Gaxiola, Joshua (1646) | Lost 1-2 | -171553 |
| top | average opponent: 1550record: 4-3 | new rating: 1553 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 2152 | Zhang, Bo [USA] (1653) | Won 2-0 | +211521 |
| 2legacy | 2105 | Chen, Gregory (1786) | Won 2-1 | +231544 |
| 3legacy | 2116 | Feeley, Sam (1521) | Won 2-1 | +171561 |
| 4legacy | 2108 | Rubin, Steve (1999) | Lost 0-2 | -101551 |
| 5legacy | 2114 | Allbright, Matthew (1539) | Lost 0-2 | -191532 |
| 6legacy | 2152 | Collins, Kenyon (1817) | Lost 1-2 | -131519 |
| 7legacy | 2153 | Paul, Jordon (1495) | Won 2-0 | +181537 |
| 8legacy | 2140 | Simon, Gregory (1501) | Won 2-1 | +171554 |
| 9legacy | 2122 | Bond, Robert (1537) | Lost 1-2 | -181536 |
| top | average opponent: 1650record: 5-4 | new rating: 1536 | ||