Randall, Jonas
Current rating: 1511
Record: 6-6
| Grand Prix Denver 2008 (Lorwyn block) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 1 | Davis, Christopher S (1518) | Won 2-0 | +191483 |
| 3block | 1 | Craig, Clinton (1486) | Lost 0-2 | -181465 |
| 4block | 1 | Finstrom, Jim (1656) | Won 2-0 | +211486 |
| 5block | 1 | Lynch, Jeffrey P (1535) | Lost 0-2 | -171469 |
| 6block | 1 | Wehrmacher, Karl P (1614) | Won 2-1 | +211490 |
| 7block | 1 | Jones, Nick A (1536) | Won 2-0 | +191509 |
| 8block | 1 | Loomis, Dallan (1571) | Lost 1-2 | -171492 |
| 9block | 1 | Golden, John K (1525) | Won 2-1 | +191511 |
| average opponent: 1555record: 5-3 | new rating: 1511 | |||
| Grand Prix Salt Lake City 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 67 | Oliver, Avrom (1500) | Won 2-0 | +181518 |
| 2block | 24 | Doong, Allen (1518) | Lost 0-1 | -181500 |
| 3block | 77 | Drahos, Matt (1499) | Lost 0-2 | -181482 |
| 4block | 95 | Terwey, Wesley (1482) | Lost 1-2 | -181464 |
| average opponent: 1500record: 1-3 | new rating: 1464 | |||