De Michele, David
Current rating: 1501
Record: 13-13-3
| Grand Prix Tampa 2009 (ZEN limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 105 | Armes, Joe (1500) | Draw 1-1 | 01499 |
| 3sealed | 148 | Martens, Joey R (1494) | Won 2-0 | +181517 |
| 4sealed | 119 | Thieleman, Eric (1540) | Lost 1-2 | -181499 |
| 5sealed | 195 | Webb, Aaron (1517) | Won 2-0 | +191518 |
| 6sealed | 126 | Johnsey, David (1521) | Lost 1-2 | -181500 |
| 7sealed | 185 | Galloway, Patrick (1521) | Won 2-1 | +181518 |
| 8sealed | 132 | Acosta, Jaime (1538) | Lost 0-2 | -171501 |
| top | average opponent: 1519record: 3-3-1 | new rating: 1501 | ||
| Grand Prix Orlando 2004 (Mirrodin block) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 106 | Lefevers, Randall (1500) | Lost 1-2 | -181480 |
| 2block | 128 | Motta, Mike (1482) | Won 2-0 | +181498 |
| 3block | 163 | Kamener, Nathaniel (1500) | Won 2-0 | +181516 |
| 4block | 79 | Mirchell, Thomas (1517) | Lost 1-2 | -181498 |
| 5block | 158 | Bakalar, Val (1499) | Won 2-0 | +181516 |
| 6block | 76 | Kolke, Kenneth (1521) | Won 2-0 | +181534 |
| 7block | 50 | Tatro, Andrew (1536) | Lost 0-2 | -181516 |
| 8block | 89 | Ferrara, Michael (1582) | Lost 0-2 | -171499 |
| top | average opponent: 1517record: 4-4 | new rating: 1499 | ||
| Grand Prix Atlanta 2003 (8ED standard) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 44 | Boucher, Evan (1518) | Lost 1-2 | -181516 |
| 3standard | 153 | Robles, Frank (1500) | Lost 1-2 | -181498 |
| top | average opponent: 1509record: 0-2 | new rating: 1498 | ||
| Grand Prix Tampa Bay 2002 (TOR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 75 | Warren, Lee (1465) | Lost 0-1 | -191481 |
| 2sealed | 118 | Morgan, Joshua (1482) | Won 2-0 | +181499 |
| 3sealed | 84 | Foley, Mike (1465) | Won 2-0 | +171516 |
| 4sealed | 72 | Nieves, Robert (1526) | Draw 1-1 | 01516 |
| 5sealed | 100 | Saunders, Jason (1518) | Won 2-0 | +191535 |
| 6sealed | 64 | Napper, Josh (1513) | Draw 1-1 | -11534 |
| top | average opponent: 1495record: 3-1-2 | new rating: 1534 | ||
| Grand Prix Memphis 1999 (Urza's block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 20 | Butz, Jeff (1500) | Won 0-0 | +181518 |
| 3block | 16 | Pittman, Lance (1518) | Lost 0-0 | -181500 |
| 4block | 62 | Lovelace, Chris (1502) | Lost 0-0 | -181482 |
| 5block | 87 | Ranks, Matthew (1492) | Won 0-0 | +181500 |
| 6block | 61 | Grandon, Dan (1432) | Won 0-0 | +171517 |
| 7block | 40 | Vlahovich, Dan (1549) | Lost 0-0 | -171500 |
| top | average opponent: 1499record: 3-3 | new rating: 1500 | ||