Weitz, Jon
Current rating: 1543
Record: 4-3
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 365 | Lee, Joseph (1581) | Won 2-1 | +191519 |
| 2modern | 127 | Schmollinger, Randall (1487) | Won 2-1 | +181537 |
| 3modern | 155 | Liorti, Andrew (1691) | Won 2-0 | +211558 |
| 4modern | 1 | Nelson, Brad (2137) | Lost 0-2 | -91549 |
| 5modern | 235 | Toye, James (1543) | Won 2-0 | +181567 |
| 6modern | 102 | Gatica, Miguel (1893) | Lost 0-2 | -121555 |
| 7modern | 172 | Oliver, Neal (1896) | Lost 0-2 | -121543 |
| average opponent: 1747record: 4-3 | new rating: 1543 | |||