Jaskolka, Jason
Current rating: 1601
| Grand Prix Orlando 2017 (AER limited) | starting rating: 1616 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 832 | Macfarlan, Tom (1500) | Won 2-1 | +161632 |
| 2sealed | 776 | Matecki, Justin (1590) | Won 2-0 | +171649 |
| 3sealed | 776 | Wu, Gavin (1649) | Lost 1-2 | -181631 |
| 4sealed | 815 | Tirado, Julio (1551) | Won 2-0 | +171648 |
| 5sealed | 760 | Delaveau, Frederic (1503) | Lost 0-2 | -211627 |
| 6sealed | 826 | Botwin, Seth (1516) | Won 2-1 | +161643 |
| 7sealed | 732 | Hunter, George (1565) | Draw 1-1 | -11642 |
| 8sealed | 743 | Neal, Robert (1565) | Lost 1-2 | -201622 |
| 9sealed | 810 | Garrett, James (1458) | Lost 0-2 | -211601 |
| top | average opponent: 1544record: 4-4-1 | new rating: 1601 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 72 | Durney, Ryan (1517) | Won 2-1 | +181501 |
| 3sealed | 16 | Repp, Peter A (1473) | Won 2-0 | +181519 |
| 4sealed | 213 | Smith, Tim (1553) | Won 2-1 | +181537 |
| 5sealed | 115 | Floch, Ivan (1896) | Won 2-0 | +251562 |
| 6sealed | 32 | Friedman, Ben (2052) | Won 2-0 | +261588 |
| 7sealed | 25 | Stern, Jon (1632) | Lost 0-2 | -171571 |
| 8sealed | 54 | Sandler, Josh (1789) | Won 2-1 | +221593 |
| 9sealed | 46 | Bartolomei, Iain (1989) | Lost 1-2 | -111582 |
| 10sealed | 85 | Jacura, Jordie (1617) | Won 2-0 | +181600 |
| 11draft | 38 | Nota, Al (1596) | Won 2-1 | +181618 |
| 12draft | 95 | Mackl, Valentin (1750) | Lost 0-2 | -161602 |
| 13draft | 70 | Gilbert-Espada, Klemente (1621) | Won 2-0 | +191621 |
| 14draft | 41 | Samms, Phil (1795) | Lost 1-2 | -151606 |
| 15draft | 89 | Beach, Harrison (1793) | Won 2-0 | +211627 |
| 16draft | 28 | Damo da Rosa, Paulo Vitor (2026) | Lost 0-2 | -111616 |
| top | average opponent: 1740record: 10-5 | new rating: 1616 | ||
| Grand Prix Montreal 2011 (M12 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 187 | Keller, Christian (1490) | Draw 1-1 | 01500 |
| 2sealed | 130 | Aubut, Simon (1502) | Won 2-1 | +181518 |
| 3sealed | 83 | Blouin, Philippe (1501) | Lost 0-2 | -181500 |
| 4sealed | 161 | Paquette, Martin (1519) | Won 2-0 | +181518 |
| 5sealed | 116 | Kwok, Dale (1518) | Lost 1-2 | -181500 |
| 6sealed | 145 | Nijhawan, Rishi (1542) | Lost 1-2 | -171483 |
| top | average opponent: 1512record: 2-3-1 | new rating: 1483 | ||