Tesser, John
Current rating: 1482
Record: 2-3
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 220 | Cavassin Jayme, Cassius (1500) | Lost 1-2 | -181482 |
| 2sealed | 520 | Wehrer, Mark (1482) | Won 2-0 | +181500 |
| 3sealed | 373 | Shahzad D., (1500) | Won 2-0 | +181518 |
| 4sealed | 356 | Shubert, Andrea (1501) | Lost 1-2 | -181500 |
| 5sealed | 485 | Briody, Tim (1515) | Lost 1-2 | -181482 |
| average opponent: 1500record: 2-3 | new rating: 1482 | |||