Cohen, Brett E
Current rating: 1498
Record: 4-5
| Grand Prix Daytona Beach 2007 (LRW limited) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 21 | Hayes, David (1581) | Won 2-0 | +201534 |
| 3sealed | 4 | Gosche, Matt (1535) | Lost 1-2 | -181516 |
| 4sealed | 101 | Selivorstov, Nikita (1518) | Lost 0-2 | -181498 |
| average opponent: 1545record: 1-2 | new rating: 1498 | |||
| Grand Prix Orlando 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 22 | Bluett, Jonathan (1519) | Won 2-0 | +181518 |
| 4block | 3 | Stark, Ben S (2033) | Lost 0-2 | -91509 |
| 5block | 35 | Booher, John (1482) | Won 2-1 | +171526 |
| 6block | 31 | Lebedowicz, Osyp (1905) | Lost 0-2 | -111515 |
| 7block | 75 | Arthurs, Marshall (1452) | Won 2-1 | +171532 |
| 8block | 33 | Mooney, Peter (1552) | Lost 0-2 | -181514 |
| average opponent: 1657record: 3-3 | new rating: 1514 | |||