Masur, Jacob
Current rating: 1467
Record: 3-5-1
| Grand Prix Atlanta 2019 (legacy) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 153 | Jain-Washburn, Ethan (1473) | Won 2-1 | +181500 |
| 2legacy | 64 | Berryhill, Ellison (1508) | Lost 1-2 | -181482 |
| 3legacy | 248 | Arch, Clayton (1747) | Won 2-1 | +231505 |
| 4legacy | 238 | Christian, Caleb (1585) | Lost 1-2 | -171488 |
| 5legacy | 381 | Smigielski, AJ (1321) | Lost 0-2 | -211467 |
| average opponent: 1527record: 2-3 | new rating: 1467 | |||
| Grand Prix Charleston 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 179 | Henry, Jeremy (1481) | Lost 0-0 | -181482 |
| 2standard | 255 | Kern, Mitchell (1482) | Won 2-1 | +181500 |
| 3standard | 116 | Gibson, Derek (1500) | Draw 1-1 | 01500 |
| 4standard | 217 | Morris, John (1526) | Lost 0-2 | -181482 |
| average opponent: 1497record: 1-2-1 | new rating: 1482 | |||