Cohn, Brian
Current rating: 1503
Record: 5-5
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 69 | Rousseau, Dave (1500) | Lost 1-2 | -191520 |
| 2standard | 342 | Sale, Daniel (1561) | Lost 1-2 | -171503 |
| average opponent: 1530record: 0-2 | new rating: 1503 | |||
| Grand Prix Phoenix 2006 (CSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 15 | Dickey, Loren N (1500) | Won 2-1 | +181518 |
| 2sealed | 33 | Garcia, David (1573) | Won 2-1 | +191537 |
| 3sealed | 11 | Dunne, Kyle (1570) | Lost 1-2 | -171520 |
| 4sealed | 111 | Hodges, Corey (1518) | Lost 1-2 | -181502 |
| 5sealed | 115 | Webb, Jay (1480) | Won 2-0 | +171519 |
| 6sealed | 75 | Taylor, Eric (1608) | Won 2-0 | +201539 |
| 7sealed | 57 | Thoman, Dakota (1537) | Won 2-0 | +181557 |
| 8sealed | 26 | Jamison, Robert (1559) | Lost 0-2 | -181539 |
| average opponent: 1543record: 5-3 | new rating: 1539 | |||