Breithaupt, Jacob
Current rating: 1463
Record: 1-3
| Grand Prix Austin 2020 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 137 | Greenwell, Joseph (1499) | Lost 0-2 | -181482 |
| 2modern | 267 | Carrizosa, Circa (1482) | Won 2-1 | +181500 |
| 3modern | 208 | Conde, Alex (1417) | Lost 0-2 | -201480 |
| 4modern | 354 | Grimley, Eli (1482) | Lost 1-2 | -171463 |
| average opponent: 1470record: 1-3 | new rating: 1463 | |||