Kovalcik, Stephen M
Current rating: 1495
Record: 8-9
| Grand Prix Atlantic City 2013 (RTR standard) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 60 | Ford, Jason (1852) | Lost 0-2 | -121524 |
| 5standard | 157 | King, Jeremy (1462) | Won 2-0 | +171541 |
| 6standard | 199 | Ziet, Kevin (1585) | Won 2-1 | +181559 |
| 7standard | 59 | Kazhdan, Joseph (1708) | Won 2-1 | +211580 |
| 8standard | 22 | Bowles, Richard (1527) | Lost 0-2 | -191561 |
| 9standard | 147 | Gerald F. P, (1524) | Won 2-1 | +171578 |
| 10standard | 32 | Cox, Patrick (1983) | Lost 0-2 | -111567 |
| 11standard | 68 | DeLuca, James (1616) | Lost 0-2 | -171550 |
| 12standard | 95 | WISNIEWSKI, JUSTIN (1565) | Lost 1-2 | -171533 |
| 13standard | 93 | Smoot, Christopher (1494) | Lost 0-2 | -191514 |
| 14standard | 86 | Howard, Duncan (1441) | Lost 1-2 | -191495 |
| average opponent: 1614record: 4-7 | new rating: 1495 | |||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 611 | Fielder, David (1525) | Won 0-0 | +181518 |
| 2sealed | 681 | Sturm, Nate (1571) | Lost 1-2 | -171501 |
| 3sealed | 733 | Bryce, Alexander (1500) | Won 2-0 | +181519 |
| 4sealed | 749 | Schick, Mike (1516) | Won 2-0 | +181537 |
| 5sealed | 683 | Lasorsa, Brett (1535) | Won 2-0 | +181555 |
| 6sealed | 565 | Sutliff, Casey (1488) | Lost 1-2 | -191536 |
| average opponent: 1523record: 4-2 | new rating: 1536 | |||