Martin, Brian
Current rating: 1490
Record: 3-4
| Grand Prix Tampa 2009 (ZEN limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 46 | Echavarria, Clos A (1500) | Won 2-1 | +181503 |
| 2sealed | 34 | Leavitt, David (1601) | Lost 1-2 | -161487 |
| 3sealed | 299 | Childs, Ryan (1482) | Won 2-1 | +181505 |
| 4sealed | 149 | Birklid, Steven (1697) | Lost 1-2 | -151490 |
| average opponent: 1570record: 2-2 | new rating: 1490 | |||
| Grand Prix Orlando 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 117 | Burdett, Dennis (1500) | Lost 0-2 | -181482 |
| 2block | 193 | Wood, Matthew E (1482) | Won 2-1 | +181500 |
| 3block | 84 | Levy, Adam (1641) | Lost 0-2 | -151485 |
| average opponent: 1541record: 1-2 | new rating: 1485 | |||