Osworth, David
Current rating: 1450
Record: 3-6
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 19 | Molisani, Jason (1500) | Lost 1-2 | -181467 |
| 2sealed | 427 | Casey, James (1476) | Won 2-1 | +181485 |
| 3sealed | 351 | Gagnepain, Joseph (1505) | Lost 0-2 | -171468 |
| 4sealed | 527 | Johnson, David (1495) | Lost 0-2 | -181450 |
| average opponent: 1494record: 1-3 | new rating: 1450 | |||
| Grand Prix Providence 2018 (M19 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 84 | Schwartz, Benjamin (1495) | Lost 0-2 | -181482 |
| 2standard | 163 | Pucci, Giuseppe (1449) | Lost 1-2 | -191463 |
| 3standard | 314 | Sajour, Antonio (1450) | Won 2-0 | +181481 |
| 4standard | 276 | Alsaigh, Nabeel (1485) | Won 2-0 | +181499 |
| 5standard | 215 | DeJoy, Joseph (1714) | Lost 1-2 | -141485 |
| average opponent: 1519record: 2-3 | new rating: 1485 | |||