Harris, Ed
Current rating: 1452
| Grand Prix Daytona Beach 2007 (LRW limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 25 | Steht Jr., Lee (1500) | Won 2-1 | +191467 |
| 2sealed | 108 | Constable, Mark P (1517) | Won 2-1 | +181485 |
| 3sealed | 48 | Edwards, Rudy (1534) | Lost 0-2 | -171468 |
| 4sealed | 155 | Hatch, Robert (1571) | Lost 0-2 | -161452 |
| top | average opponent: 1531record: 2-2 | new rating: 1452 | ||
| Grand Prix San Francisco 2007 (Time Spiral block) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 49 | Alexander, Glen (1500) | Won 2-1 | +181500 |
| 2block | 44 | Moore, Aron (1481) | Lost 0-2 | -181482 |
| 3block | 114 | Kwong, Winston (1502) | Lost 0-2 | -181464 |
| 4block | 299 | Vo, Albert (1482) | Lost 1-2 | -171447 |
| 5block | 260 | Barbuto, Dominic (1463) | Won 1-0 | +181465 |
| 6block | 211 | Bigelow, Alexander J (1480) | Lost 0-2 | -181447 |
| 7block | 184 | Allen, Michael (1462) | Draw 1-1 | +11448 |
| top | average opponent: 1482record: 2-4-1 | new rating: 1448 | ||
| Grand Prix New Jersey 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 129 | Debragga, John (1500) | Lost 0-2 | -181482 |
| 2block | 362 | Mozeika, Phillip (1482) | Won 2-0 | +181500 |
| 3block | 287 | Wenkemann, Dirk (1505) | Lost 1-2 | -181482 |
| 4block | 380 | Zimmermann, Roland (1482) | Won 2-0 | +181500 |
| 5block | 303 | Bodimer, David (1500) | Lost 0-2 | -181482 |
| 6block | 326 | Abramson, Jonathan (1482) | Won 2-1 | +181500 |
| 7block | 218 | Kirsch, Gregory (1483) | Lost 0-2 | -181482 |
| 8block | 228 | Kopp, Peter (1500) | Won 2-1 | +181500 |
| 9block | 174 | Hall, Zack (1497) | Lost 0-2 | -181482 |
| top | average opponent: 1492record: 4-5 | new rating: 1482 | ||