Mortenson, Jacob
Current rating: 1504
Record: 6-7
| Grand Prix New York 2016 (SOI standard) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 343 | Smith, Dakota (1578) | Lost 0-2 | -161498 |
| 3standard | 521 | Melloh, Jace (1505) | Won 2-0 | +181516 |
| 4standard | 631 | Smith, Donald (1833) | Lost 0-2 | -131503 |
| 5standard | 591 | Sinkovich, Mary (1473) | Lost 0-2 | -181485 |
| 6standard | 770 | Moore, Jared W (1484) | Won 2-0 | +181503 |
| 7standard | 597 | Radaszkiewicz, Michael (1502) | Won 2-0 | +181521 |
| 8standard | 474 | Kennedy, Sean (1613) | Lost 1-2 | -171504 |
| average opponent: 1570record: 3-4 | new rating: 1504 | |||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 202 | Feudo, Paul (1503) | Won 2-0 | +181518 |
| 2modern | 265 | Citron, Daniel (1499) | Won 2-1 | +181536 |
| 3modern | 215 | Solave, Ryan (1532) | Won 2-1 | +181554 |
| 4modern | 261 | Freel, Dan (1769) | Lost 0-2 | -141540 |
| 5modern | 420 | McClenaghan, David (1675) | Lost 1-2 | -161524 |
| 6modern | 451 | Saporito, Thiago (2026) | Lost 1-2 | -101514 |
| average opponent: 1667record: 3-3 | new rating: 1514 | |||