Karsten, Brian
Current rating: 1514
Record: 6-5-1
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 59 | Butler, Brandi (1500) | Draw 1-1 | -11534 |
| 2sealed | 220 | Powell, Blake (1500) | Lost 0-2 | -191515 |
| 3sealed | 364 | Tugnum, Conrad (1480) | Won 2-0 | +181533 |
| 4sealed | 279 | Buglioni, Brennan (1494) | Lost 0-2 | -191514 |
| average opponent: 1494record: 1-2-1 | new rating: 1514 | |||
| Grand Prix Portland 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 581 | Shanafelt, Mark (1367) | Won 2-1 | +161516 |
| 2modern | 305 | Brady, Kyle (1491) | Lost 0-2 | -191497 |
| 3modern | 634 | Herndon, Christopher (1533) | Lost 1-2 | -171480 |
| 4modern | 665 | Hazlett, Jeremy (1450) | Won 2-1 | +171497 |
| 5modern | 504 | Canizales, Domingo (1463) | Won 2-1 | +181515 |
| 6modern | 367 | Marsh, Tom (1541) | Lost 0-2 | -181497 |
| 7modern | 387 | Rife, Aaron (1505) | Won 2-0 | +181515 |
| 8modern | 296 | Espada, Isaac (1582) | Won 2-1 | +201535 |
| average opponent: 1492record: 5-3 | new rating: 1535 | |||