Weber, John M
Current rating: 1482
Record: 2-3
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 239 | Remmes, James (1500) | Won 2-0 | +181518 |
| 2sealed | 167 | Lewis-Lerman, Oliver (1518) | Won 2-0 | +181536 |
| 3sealed | 90 | Anderson, Robert (1605) | Lost 0-2 | -171519 |
| 4sealed | 149 | Fox, Curtis W (1467) | Lost 0-2 | -191500 |
| 5sealed | 191 | Kaynes, Michael K (1467) | Lost 0-2 | -181482 |
| average opponent: 1512record: 2-3 | new rating: 1482 | |||