Warnecke, Gerald
Current rating: 1502
Record: 7-7
| Grand Prix Atlanta 2019 (legacy) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 75 | Michael, Benjamin (1407) | Lost 1-2 | -201521 |
| 2legacy | 378 | Klein, Tyler (1560) | Lost 1-2 | -181503 |
| 3legacy | 442 | Zhang, Zijun (1465) | Won 2-1 | +181521 |
| 4legacy | 367 | Thurman, Ethan (1483) | Won 2-1 | +171538 |
| 5legacy | 313 | Hill, Alex (1510) | Lost 0-2 | -191519 |
| 6legacy | 351 | Adlman, Becky (1521) | Lost 0-2 | -171502 |
| average opponent: 1491record: 2-4 | new rating: 1502 | |||
| Grand Prix Atlanta 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 258 | Foltz, Jonathan (1500) | Lost 0-1 | -181482 |
| 2modern | 537 | Webb, Adam (1392) | Won 2-0 | +161498 |
| 3modern | 355 | Beane, Patrick (1463) | Won 2-1 | +181516 |
| 4modern | 385 | Hudnall, Matthew (1503) | Lost 0-2 | -191497 |
| 5modern | 429 | Maurer, Tobias (1912) | Lost 1-2 | -101487 |
| 6modern | 554 | Martin, Ryan (1477) | Won 2-1 | +171504 |
| 7modern | 431 | Pabon, Omar (1507) | Won 2-1 | +191523 |
| 8modern | 260 | Keller, Corey (1554) | Won 2-0 | +181541 |
| average opponent: 1539record: 5-3 | new rating: 1541 | |||