Stark, Mark
Current rating: 1486
| Grand Prix Cincinnati 2014 (BNG standard) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 39 | Guy, Curtis A (1531) | Won 2-0 | +201475 |
| 4standard | 85 | Gibbs, Joel (1571) | Lost 1-2 | -171458 |
| 5standard | 195 | Nicoletti, Jonathan (1539) | Won 2-0 | +201478 |
| 6standard | 162 | Carpenter, Aaron (1539) | Won 2-1 | +191497 |
| 7standard | 121 | Fay, Korey (1757) | Lost 0-2 | -131484 |
| 8standard | 225 | Crone, Thomas (1555) | Won 2-0 | +191503 |
| 9standard | 147 | Ferguson, Andy (1562) | Lost 0-2 | -171486 |
| top | average opponent: 1579record: 4-3 | new rating: 1486 | ||
| Grand Prix Detroit 2013 (modern) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 208 | Courtade, Brian (1536) | Won 0-0 | +191506 |
| 3modern | 114 | Siembor, Michael (1466) | Lost 1-2 | -191487 |
| 4modern | 253 | Arthurs, Marshall (1651) | Lost 0-2 | -151472 |
| 5modern | 408 | McGovern, Mark (1536) | Lost 0-2 | -171455 |
| top | average opponent: 1547record: 1-3 | new rating: 1455 | ||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 210 | Minerd, Emaly (1500) | Won 2-1 | +181518 |
| 2sealed | 359 | Jeffrey W., (1500) | Won 2-0 | +181536 |
| 3sealed | 17 | Jacob, Michael (1846) | Lost 0-2 | -131523 |
| 4sealed | 406 | Bennett, Jason (1503) | Lost 0-2 | -181505 |
| 5sealed | 490 | Podobnik, Tony (1511) | Lost 1-2 | -181487 |
| top | average opponent: 1572record: 2-3 | new rating: 1487 | ||