Ratliff, Mark
Current rating: 1471
Record: 5-7
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 127 | Persello-Seefeld, Glenn (1500) | Lost 1-2 | -171447 |
| 2block | 195 | Taylor, Jonathan (1543) | Won 2-0 | +191466 |
| 3block | 133 | Thorn, Adam (1482) | Lost 0-2 | -171449 |
| 4block | 202 | Powell, Philip (1467) | Won 2-1 | +181467 |
| 5block | 173 | Badding, Duncan (1500) | Won 2-0 | +191486 |
| 6block | 146 | King, Bill (1519) | Won 2-0 | +181504 |
| 7block | 96 | Herzberg, Scott (1535) | Lost 0-2 | -171487 |
| 8block | 92 | Wolfman, Steven (1611) | Lost 0-2 | -161471 |
| average opponent: 1520record: 4-4 | new rating: 1471 | |||
| Grand Prix Detroit 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 128 | Kondrisack, Alan (1500) | Won 2-1 | +181518 |
| 2sealed | 113 | Reed, Joseph (1540) | Lost 0-2 | -181500 |
| 3sealed | 196 | Zwadlo, Josh (1482) | Lost 0-2 | -181482 |
| 4sealed | 204 | Thompson, Jason (1482) | Lost 0-2 | -181464 |
| average opponent: 1501record: 1-3 | new rating: 1464 | |||