Kostelic, Kevin
Current rating: 1547
Record: 7-5
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 633 | Lindo, David (1585) | Won 2-0 | +191539 |
| 2sealed | 287 | Thanakit, Kevin (1642) | Lost 0-2 | -161523 |
| 3sealed | 463 | Bowins, David (1500) | Lost 1-2 | -191504 |
| 4sealed | 737 | Crowell, Mark (1482) | Won 2-0 | +181522 |
| 5sealed | 588 | Sanislo, Stephen (1488) | Won 2-0 | +171539 |
| 6sealed | 401 | Stachurski, Richard (1703) | Won 2-1 | +211560 |
| 7sealed | 369 | Lee, Herman (1841) | Lost 1-2 | -131547 |
| average opponent: 1606record: 4-3 | new rating: 1547 | |||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 536 | Davis, Jonathan (1500) | Lost 0-2 | -181482 |
| 2sealed | 570 | Rohan, Peadar (1489) | Won 2-1 | +181500 |
| 3sealed | 450 | Harrington, Cierra (1498) | Won 2-1 | +181518 |
| 4sealed | 470 | Mercier, Charles (1570) | Won 2-1 | +191537 |
| 5sealed | 183 | Castro, Roberto (1569) | Lost 1-2 | -171520 |
| average opponent: 1525record: 3-2 | new rating: 1520 | |||