Jacek, Ian
Current rating: 1509
Record: 9-8
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 600 | O'Conner, Cody (1500) | Won 2-0 | +171571 |
| 2sealed | 641 | Macejka, Larry (1440) | Lost 1-2 | -211550 |
| 3sealed | 641 | Fleisch, Aaron (1499) | Lost 0-2 | -191531 |
| 4sealed | 634 | Lovelace, Jonathan (1482) | Won 2-1 | +171548 |
| 5sealed | 557 | Vodvarka, Jesse (1484) | Won 2-0 | +171565 |
| 6sealed | 473 | Chang, Morgan (1580) | Lost 1-2 | -171548 |
| 7sealed | 308 | Coursey, Benjamin (1447) | Lost 1-2 | -201528 |
| 8sealed | 351 | Hemphill, Jeff (1479) | Lost 0-2 | -191509 |
| average opponent: 1489record: 3-5 | new rating: 1509 | |||
| Grand Prix Vancouver 2012 (AVR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 142 | Sonnleitner, Cole (1500) | Won 2-0 | +181518 |
| 2sealed | 37 | Kaad, Jake (1553) | Lost 1-2 | -171501 |
| 3sealed | 140 | Mann, Robert (1500) | Lost 1-2 | -181483 |
| 4sealed | 314 | Rose, Geordie (1482) | Won 2-0 | +181501 |
| 5sealed | 293 | Vienneau, Josiah (1503) | Lost 0-2 | -181483 |
| 6sealed | 278 | Walker, Sean (1481) | Won 2-0 | +181501 |
| 7sealed | 225 | Grandjambe, Travis (1501) | Won 2-0 | +181519 |
| 8sealed | 142 | Warbrick, Jeffery (1467) | Won 2-0 | +171536 |
| 9sealed | 107 | Dalton, Grant (1534) | Won 2-0 | +181554 |
| average opponent: 1502record: 6-3 | new rating: 1554 | |||