Brumer, Andrew
Current rating: 1425
Record: 2-6
| Grand Prix Toronto 2019 (modern) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 307 | Strnad, Brandon (1507) | Lost 1-2 | -171443 |
| 2modern | 495 | Mirao, Wilson (1430) | Won 2-1 | +181461 |
| 3modern | 424 | Renaud, Sebastien (1440) | Lost 0-2 | -181443 |
| 4modern | 455 | Dai, Geoffrey (1482) | Lost 1-2 | -181425 |
| average opponent: 1465record: 1-3 | new rating: 1425 | |||
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 349 | Hamilton, John (1435) | Won 2-0 | +171517 |
| 2sealed | 113 | Schwarcz, Aaron (1497) | Lost 1-2 | -191498 |
| 3sealed | 533 | Nelson, Jesse (1373) | Lost 0-2 | -201478 |
| 4sealed | 534 | Blazer, Henry (1486) | Lost 0-2 | -181460 |
| average opponent: 1448record: 1-3 | new rating: 1460 | |||