Jacobs, Devon
Current rating: 1356
| Grand Prix Niagara Falls 2019 (legacy) | starting rating: 1360 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 122 | Hyden, Paul (1675) | Won 2-0 | +241384 |
| 2legacy | 189 | Pollard, Timothy (1518) | Lost 1-2 | -161368 |
| 3legacy | 397 | Farrenkopf, Brian (1505) | Lost 0-2 | -151353 |
| 4legacy | 334 | Passino, Benjamin (1464) | Won 2-0 | +201373 |
| 5legacy | 329 | Pho, Brandon (1435) | Lost 0-2 | -171356 |
| top | average opponent: 1519record: 2-3 | new rating: 1356 | ||
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 106 | Lupica, Matthew (1445) | Lost 0-2 | -181409 |
| 2standard | 375 | O'Donnell, Kenny (1380) | Won 2-1 | +181427 |
| 3standard | 558 | Laporte, Gabryel (1448) | Lost 0-2 | -181409 |
| 4standard | 586 | Priester, David (1445) | Lost 0-2 | -171392 |
| 5standard | 556 | Johnson, Todd (1446) | Won 2-0 | +191411 |
| 6standard | 548 | Johnson, Erik (1601) | Lost 0-2 | -151396 |
| 7standard | 528 | Oh, Inn (1428) | Lost 0-2 | -171379 |
| 8standard | 475 | Johnson, Eric5209 (1361) | Lost 0-2 | -191360 |
| top | average opponent: 1444record: 2-6 | new rating: 1360 | ||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 136 | Stafford, Daniel (1483) | Won 2-0 | +181518 |
| 2standard | 110 | Kalbus, Kurt (1395) | Lost 0-2 | -211497 |
| 3standard | 399 | Miller, Luke (1503) | Lost 0-2 | -171480 |
| 4standard | 677 | Kingsley, Kevin (1592) | Lost 0-2 | -161464 |
| 5standard | 654 | Barlow, Tim (1469) | Lost 0-0 | -181446 |
| 6standard | 645 | Lettieri, Tony (1446) | Won 2-0 | +181464 |
| 7standard | 543 | Lane, Jay (1463) | Lost 0-2 | -181446 |
| 8standard | 489 | Infusino, Noah (1448) | Lost 0-2 | -181428 |
| 9standard | 409 | Rider, Brian (1374) | Draw 1-1 | -11427 |
| top | average opponent: 1464record: 2-6-1 | new rating: 1427 | ||