Pestka, Mark
Current rating: 1464
Record: 2-4
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 400 | Galvin, Casey (1500) | Won 2-0 | +191482 |
| 2sealed | 247 | Trowbridge, Branden (1521) | Lost 0-2 | -181464 |
| 3sealed | 617 | Biondillo, Julian (1511) | Won 2-1 | +191483 |
| 4sealed | 533 | Fountain, Dan (1432) | Lost 0-2 | -191464 |
| average opponent: 1491record: 2-2 | new rating: 1464 | |||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 273 | Clarizio, James (1445) | Lost 1-2 | -191481 |
| 2sealed | 340 | Tannenbaum, Dylan (1481) | Lost 1-2 | -181463 |
| average opponent: 1463record: 0-2 | new rating: 1463 | |||