Osborne, Jacob
Current rating: 1506
Record: 14-15-1
| Regional Championships Dallas 2023 (pioneer) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 180 | Boblitt, Zach (1477) | Lost 0-2 | -191534 |
| 2pioneer | 524 | Madsen, Michael (1683) | Lost 0-2 | -161518 |
| 3pioneer | 453 | Yu, Jarvis (1859) | Lost 1-2 | -121506 |
| top | average opponent: 1673record: 0-3 | new rating: 1506 | ||
| Grand Prix Atlanta 2019 (legacy) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 201 | Hand, Josh (1607) | Won 2-1 | +181581 |
| 4legacy | 88 | Huang, Bob (1971) | Lost 1-2 | -111570 |
| 5legacy | 102 | Johnson, Jonathan (1595) | Lost 0-2 | -171553 |
| 6legacy | 292 | Dang, Fumin (1584) | Won 2-1 | +181571 |
| 7legacy | 184 | Piepke, Ulrich (1569) | Lost 0-2 | -181553 |
| top | average opponent: 1665record: 2-3 | new rating: 1553 | ||
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1605 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 18 | MacHaffie, Sam (1581) | Lost 1-2 | -181587 |
| 2modern | 478 | Darden, Jaye (1501) | Won 2-0 | +161603 |
| 3modern | 560 | Jackson, Blake (1501) | Lost 1-2 | -201583 |
| 4modern | 743 | Hassett, Devon (1444) | Lost 0-2 | -201563 |
| top | average opponent: 1507record: 1-3 | new rating: 1563 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 191 | Malott, Jason (1466) | Won 2-0 | +181501 |
| 2modern | 424 | Ewald, Gordon (1458) | Draw 1-1 | -11500 |
| 3modern | 520 | Poltorak, Darren (1541) | Won 2-0 | +191519 |
| 4modern | 266 | Tuchek, Stephen (1746) | Won 2-1 | +221541 |
| 5modern | 131 | O'Brien, Sean 5172 (1537) | Won 2-0 | +181559 |
| 6modern | 64 | Mantey, Tyler (1746) | Lost 0-2 | -151544 |
| 7modern | 188 | Hansen, John (1562) | Won 2-1 | +191563 |
| 8modern | 108 | Peterson, Danny (1584) | Won 2-1 | +181581 |
| 9modern | 63 | Cooper, Stacey (1445) | Lost 1-2 | -201561 |
| 10modern | 145 | Babilla, Andrew (1584) | Lost 1-2 | -181543 |
| 11modern | 257 | Branson, Kevin (1574) | Won 2-0 | +191562 |
| 12modern | 177 | Robertson, Shawn (1643) | Won 2-0 | +191581 |
| 13modern | 116 | Sears, Steven (1581) | Won 2-1 | +181599 |
| 14modern | 78 | LaChance, Alex (1641) | Won 2-0 | +191618 |
| 15modern | 51 | Fortanely, Bobby (1904) | Lost 0-2 | -131605 |
| top | average opponent: 1601record: 10-4-1 | new rating: 1605 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 14 | Sanders-Reed, Kiernan (1480) | Won 2-1 | +181518 |
| 2sealed | 139 | Perez, Jose (1615) | Lost 1-2 | -171501 |
| 3sealed | 174 | Blanke, Roen (1500) | Lost 0-2 | -181483 |
| top | average opponent: 1532record: 1-2 | new rating: 1483 | ||