Birks, Jeff
Current rating: 1446
Record: 4-7
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 21 | Francisco, Paul (1535) | Lost 0-2 | -171463 |
| 2modern | 494 | Eckhoff, Trevor (1733) | Lost 0-2 | -131450 |
| 3modern | 766 | Eggleston, Brian (1497) | Lost 0-2 | -171433 |
| 4modern | 815 | Robinson, Jared (1450) | Won 2-0 | +181451 |
| 5modern | 710 | Glover, Will (1463) | Won 2-0 | +181469 |
| 6modern | 577 | Custodio, Anthony (1195) | Lost 0-2 | -231446 |
| average opponent: 1479record: 2-4 | new rating: 1446 | |||
| Grand Prix Oakland 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 127 | Deng, Robert (1505) | Won 2-1 | +181518 |
| 2modern | 228 | Milechman, Sam (1516) | Lost 1-2 | -181500 |
| 3modern | 382 | Goranowski, Karl (1443) | Lost 1-2 | -191481 |
| 4modern | 491 | Crawford, Alicia (1416) | Won 2-0 | +171498 |
| 5modern | 367 | Bradford, William (1505) | Lost 0-2 | -181480 |
| average opponent: 1477record: 2-3 | new rating: 1480 | |||