Boersma, Bryan
Current rating: 1462
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 321 | Heinan, Tom (1500) | Lost 0-2 | -171462 |
| top | record: 0-1 | new rating: 1462 | ||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Mommaerts, Brett (1446) | Lost 1-2 | -181461 |
| 2sealed | 80 | Cade, Quan (1483) | Won 2-1 | +181479 |
| 3sealed | 637 | Kubo, Eric (1477) | Lost 0-2 | -181461 |
| 4sealed | 645 | Brun, Joseph (1485) | Won 2-0 | +181479 |
| 5sealed | 583 | Joiner, Jody (1461) | Won 2-1 | +181497 |
| 6sealed | 361 | Wong, Nick (1463) | Won 2-1 | +171514 |
| 7sealed | 207 | Hickman, Jeremiah (1552) | Lost 0-2 | -171497 |
| 8sealed | 349 | Patrick, Gary (1516) | Lost 0-2 | -181479 |
| top | average opponent: 1485record: 4-4 | new rating: 1479 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 85 | Park, James (1500) | Lost 1-2 | -181482 |
| 2sealed | 190 | Custer, Joy (1482) | Won 2-0 | +181500 |
| 3sealed | 241 | Muir, Brandon (1344) | Lost 1-2 | -211479 |
| top | average opponent: 1442record: 1-2 | new rating: 1479 | ||