Mayer, Jacob
Current rating: 1508
Record: 4-4
| Grand Prix Oakland 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 197 | Newhouse, Jackson (1606) | Lost 1-2 | -161484 |
| 2modern | 398 | Montgomery, John (1481) | Lost 0-2 | -181466 |
| 3modern | 485 | Douglas, Sean (1394) | Won 2-0 | +171483 |
| 4modern | 426 | Zhang, John (1563) | Won 2-0 | +191502 |
| 5modern | 293 | Guieb, Jarrel (1470) | Lost 1-2 | -191483 |
| 6modern | 374 | Powell, Chris (1446) | Won 2-0 | +181501 |
| 7modern | 266 | Ahmed, Konan (1593) | Won 2-0 | +191520 |
| 8modern | 188 | Gaynor, Jonah (1833) | Lost 0-2 | -121508 |
| average opponent: 1548record: 4-4 | new rating: 1508 | |||