Sanchez, Jack
Current rating: 1497
Record: 6-6
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 101 | Barnum, James (1586) | Lost 1-2 | -171517 |
| 2modern | 463 | Wu, Yuhang (1481) | Won 2-0 | +181535 |
| 3modern | 442 | Barley, John (1466) | Lost 1-2 | -201515 |
| 4modern | 547 | Patino, Alec (1507) | Lost 0-2 | -181497 |
| average opponent: 1510record: 1-3 | new rating: 1497 | |||
| Grand Prix Oakland 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 139 | Ciolino, Christopher (1487) | Lost 0-2 | -181482 |
| 2modern | 348 | Griffin, Kyle (1392) | Won 2-0 | +161498 |
| 3modern | 415 | Buenconsejo, Kristian (1500) | Lost 0-2 | -181480 |
| 4modern | 485 | Heckman, Michael (1457) | Won 2-1 | +181498 |
| 5modern | 327 | Weidman, Joshua (1463) | Won 2-0 | +171515 |
| 6modern | 179 | Mester, Noah (1521) | Won 2-1 | +181533 |
| 7modern | 114 | Constantakis, Diego (1551) | Won 2-0 | +191552 |
| 8modern | 64 | McNamara, Casey (1602) | Lost 1-2 | -181534 |
| average opponent: 1496record: 5-3 | new rating: 1534 | |||