Zwyer, Edward D
Current rating: 1499
Record: 6-6
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 933 | Lynch, Chris (1500) | Won 2-1 | +171556 |
| 2standard | 718 | Sovol, Oliver P (1518) | Lost 0-2 | -191537 |
| 3standard | 782 | Flynn, Patrick (1435) | Lost 1-2 | -191518 |
| 4standard | 997 | Piazza, John (1482) | Lost 1-2 | -191499 |
| average opponent: 1484record: 1-3 | new rating: 1499 | |||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 104 | LeBlanc, Marc (1500) | Won 2-0 | +181518 |
| 2sealed | 123 | Ladouceur, Travis (1526) | Won 2-1 | +181536 |
| 3sealed | 78 | Crane, Patrick (1499) | Won 2-1 | +171553 |
| 4sealed | 1 | Smelski, Jeremy (1558) | Lost 0-2 | -171536 |
| 5sealed | 141 | Novakowski, George (1536) | Won 2-0 | +181554 |
| 6sealed | 95 | Pimm, Douglas (1639) | Lost 0-2 | -171537 |
| 7sealed | 70 | Greenspan, Aaron (1541) | Won 2-0 | +181555 |
| 8sealed | 48 | Jones, Jared (1643) | Lost 0-2 | -161539 |
| average opponent: 1555record: 5-3 | new rating: 1539 | |||