Cobey, Tucker
Current rating: 1494
Record: 9-9
| Grand Prix Anaheim 2012 (Innistrad block) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 184 | Rhodes, Nathan (1500) | Lost 1-2 | -191496 |
| 2block | 260 | Batterman, Danny (1482) | Lost 0-2 | -181478 |
| 3block | 379 | Geyser, Mason (1466) | Lost 0-2 | -181460 |
| 4block | 439 | Tejas, Steven (1446) | Won 2-0 | +181478 |
| 5block | 387 | Truver, Xylia (1463) | Won 2-1 | +171495 |
| 6block | 339 | Creager, Jeremy (1482) | Won 2-0 | +181513 |
| 7block | 266 | Boyett, Donald (1492) | Lost 0-2 | -181495 |
| 8block | 225 | Clark, Michael P (1548) | Won 2-1 | +191514 |
| 9block | 172 | Walmsley, Billy (1438) | Lost 1-2 | -201494 |
| average opponent: 1480record: 4-5 | new rating: 1494 | |||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 106 | Miklinevich, John (1500) | Lost 0-2 | -181482 |
| 2standard | 545 | Brown, James (1396) | Lost 1-2 | -201462 |
| 3standard | 628 | Riemersma, Robert (1463) | Lost 1-2 | -181444 |
| 4standard | 733 | Katz, Richard S (1446) | Lost 1-2 | -181426 |
| 5standard | 672 | Dlugas, Tim (1412) | Won 2-1 | +181444 |
| 6standard | 576 | Marney, Robert (1427) | Won 2-0 | +181462 |
| 7standard | 466 | McDonald, Austin (1460) | Won 2-1 | +181480 |
| 8standard | 342 | Lubman, Jacob (1451) | Won 2-0 | +171497 |
| 9standard | 273 | Lizon, Erica (1465) | Won 2-0 | +181515 |
| average opponent: 1447record: 5-4 | new rating: 1515 | |||