Kosa, Tom
Current rating: 1506
Record: 4-4
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 90 | Kumer, Andrew (1500) | Lost 1-2 | -181482 |
| 2modern | 448 | Rios, Tony (1483) | Won 2-0 | +181500 |
| 3modern | 432 | Strong, Graham (1500) | Lost 1-2 | -181482 |
| 4modern | 433 | Hartman, Christopher (1566) | Won 2-0 | +201502 |
| 5modern | 355 | Ewenstein, Paul (1622) | Won 2-1 | +201522 |
| 6modern | 236 | Wetherald, Dylan (1515) | Lost 0-2 | -181504 |
| 7modern | 259 | Barge, Spencer (1519) | Lost 0-2 | -181486 |
| 8modern | 248 | Corley, Michael (1604) | Won 2-0 | +201506 |
| average opponent: 1539record: 4-4 | new rating: 1506 | |||