Sieber, Jon
Current rating: 1507
Record: 4-4
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 314 | Ellis, Stephen (1483) | Won 2-0 | +181526 |
| 2sealed | 189 | Jones, Brandon (1500) | Lost 1-2 | -191507 |
| average opponent: 1492record: 1-1 | new rating: 1507 | |||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 665 | Yale, Timothy (1500) | Won 0-0 | +181518 |
| 2sealed | 725 | Patrakov, Nikolay (1468) | Won 2-0 | +171535 |
| 3sealed | 516 | Downing, Eric (1751) | Lost 0-2 | -141521 |
| 4sealed | 773 | Lafakis, Chris (1595) | Won 2-0 | +191540 |
| 5sealed | 584 | Merriam, Ross (1805) | Lost 1-2 | -131527 |
| 6sealed | 724 | Moldowsky, Jake (1488) | Lost 0-2 | -191508 |
| average opponent: 1601record: 3-3 | new rating: 1508 | |||