Jacob, Devin
Current rating: 1504
Record: 35-37-2
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 386 | Neminski, Joe (1534) | Won 2-0 | +191528 |
| 4modern | 39 | Tharmaratnam, Samuel (1915) | Lost 1-2 | -121516 |
| 5modern | 355 | Bourque, Richard (1637) | Won 2-0 | +211537 |
| 6modern | 103 | Graf, Brian (1558) | Won 2-1 | +181555 |
| 7modern | 164 | Coleman, Allison (1714) | Won 2-0 | +211576 |
| 8modern | 20 | Bender, Brock (1595) | Lost 1-2 | -181558 |
| 9modern | 191 | Holt, Jeffrey (1588) | Lost 0-2 | -171541 |
| 10modern | 1026 | Wozniak, Grant (1477) | Lost 1-2 | -191522 |
| 11modern | 1063 | Sweatt, Thomas (1571) | Lost 0-2 | -181504 |
| top | average opponent: 1621record: 4-5 | new rating: 1504 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 2 | Bliss, Richard (1501) | Won 2-0 | +171545 |
| 3modern | 213 | Harrell, Chase (1553) | Lost 0-2 | -171528 |
| 4modern | 680 | Fusco, Arthur (1537) | Lost 1-2 | -181510 |
| 5modern | 577 | Reichley, Matthew (1483) | Won 2-0 | +171527 |
| 6modern | 418 | Lauricella, John (1525) | Lost 1-2 | -181509 |
| top | average opponent: 1520record: 2-3 | new rating: 1509 | ||
| Grand Prix Indianapolis 2015 (BFZ standard) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 96 | Harris, Brett (1518) | Lost 1-2 | -181510 |
| 3standard | 419 | Lawhorn, Steve (1472) | Won 2-1 | +171527 |
| 4standard | 153 | Kregger, Darren (1538) | Won 2-1 | +181545 |
| 5standard | 135 | Martin, Joshua (1481) | Won 2-1 | +171562 |
| 6standard | 101 | Newman, Carter (1600) | Lost 1-2 | -171545 |
| 7standard | 153 | Whitaker, Matthew (1514) | Won 2-1 | +171562 |
| 8standard | 104 | Silberman, Philip (1662) | Lost 1-2 | -161546 |
| 9standard | 149 | White, Andru (1544) | Lost 0-0 | -181528 |
| top | average opponent: 1541record: 4-4 | new rating: 1528 | ||
| Grand Prix Madison 2015 (BFZ limited) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 143 | Angelo, Joe (1567) | Lost 1-2 | -181566 |
| 4sealed | 1024 | Hallock, Mark (1513) | Lost 0-2 | -191547 |
| 5sealed | 374 | Heywood, Andrew (1506) | Lost 1-2 | -191528 |
| top | average opponent: 1528record: 0-3 | new rating: 1528 | ||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 277 | Rice, Keith (1519) | Won 2-0 | +161612 |
| 3sealed | 43 | Jansen, Morgan (1471) | Lost 1-2 | -201592 |
| 4sealed | 295 | Mitchell, Logan (1409) | Won 2-1 | +141606 |
| 5sealed | 204 | Sommerhalter, Matthew (1528) | Won 2-1 | +171623 |
| 6sealed | 64 | Phillips, Cedric (1873) | Won 2-0 | +221645 |
| 7sealed | 119 | Brown, David (1458) | Lost 1-2 | -211624 |
| 8sealed | 116 | Romano, Joe (1467) | Lost 0-2 | -211603 |
| 9sealed | 190 | Miller, Josh (1531) | Lost 0-2 | -191584 |
| top | average opponent: 1532record: 4-4 | new rating: 1584 | ||
| Grand Prix Omaha 2015 (modern) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 49 | Davis, Justin (1527) | Won 2-1 | +181572 |
| 3modern | 7 | Hargrove, Paul (1596) | Lost 0-2 | -181554 |
| 4modern | 166 | Steavens, Bill (1518) | Lost 0-2 | -191535 |
| 5modern | 396 | Matthew, Luke (1501) | Won 2-1 | +181553 |
| 6modern | 234 | Phelps, David (1559) | Won 2-1 | +181571 |
| 7modern | 188 | Orange, Gregory (1993) | Won 2-1 | +251596 |
| 8modern | 63 | Courtney, Joe (1593) | Won 2-1 | +181614 |
| 9modern | 47 | Peters, Erik (1585) | Lost 1-2 | -181596 |
| top | average opponent: 1609record: 5-3 | new rating: 1596 | ||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 640 | Ervin, Luke (1535) | Draw 1-1 | +11515 |
| 4standard | 621 | Brumm, Joel (1536) | Won 2-0 | +181533 |
| 5standard | 566 | McDaniel, Kyle (1646) | Lost 1-2 | -161517 |
| 6standard | 579 | Dow, Matt (1518) | Won 2-1 | +181535 |
| 7standard | 570 | Mendez, Juan (1570) | Won 2-0 | +191554 |
| 8standard | 534 | Lopez, Jorge [USA] (1525) | Lost 1-2 | -191535 |
| 9standard | 505 | Carello, Rocco J (1576) | Won 2-1 | +191554 |
| top | average opponent: 1558record: 4-2-1 | new rating: 1554 | ||
| Grand Prix Minneapolis 2014 (modern) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 479 | Kenjar, Jason (1434) | Won 2-1 | +171487 |
| 3modern | 177 | Larson, Colin (1561) | Won 2-1 | +191506 |
| 4modern | 130 | Ochoa, David (2012) | Lost 0-2 | -91497 |
| 5modern | 267 | Uhler, Adam (1585) | Won 2-0 | +191516 |
| 6modern | 182 | Nielsen, Jeff (1447) | Won 2-1 | +171533 |
| 7modern | 155 | Kraupa, Richard (1594) | Lost 0-2 | -171516 |
| 8modern | 314 | Romero, Henry (1903) | Won 2-1 | +251541 |
| 9modern | 218 | Lafrombois, Mike (1580) | Won 2-0 | +191560 |
| 10modern | 138 | Heath, Joel (1638) | Lost 0-2 | -171543 |
| 11modern | 181 | Hintze, Kyle (1567) | Draw 1-1 | +11544 |
| 12modern | 175 | Yam, Wing Chun (1806) | Lost 1-2 | -141530 |
| 13modern | 182 | Freedman, Henry (1610) | Won 2-1 | +201550 |
| 14modern | 169 | Heid, Jesse (1602) | Lost 1-2 | -171533 |
| 15modern | 174 | Kaufmann, Joseph (1520) | Lost 0-2 | -191514 |
| top | average opponent: 1633record: 7-6-1 | new rating: 1514 | ||
| Grand Prix Cincinnati 2014 (BNG standard) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 110 | Boggemes, Kyle (1673) | Lost 1-2 | -151505 |
| 4standard | 355 | Ugale, Ashwin (1534) | Lost 0-2 | -181487 |
| 5standard | 566 | Levey, Dallas (1500) | Lost 0-2 | -171470 |
| top | average opponent: 1569record: 0-3 | new rating: 1470 | ||
| Grand Prix Louisville 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 204 | Krupicki, Krzysztof (1548) | Lost 1-2 | -171483 |
| 2standard | 382 | Doherty, Brian (1515) | Won 2-0 | +181501 |
| 3standard | 435 | Doyle, David M (1501) | Won 2-0 | +181519 |
| 4standard | 392 | Roper, Derrick (1569) | Lost 1-2 | -171502 |
| 5standard | 350 | Morrison, Neely (1496) | Lost 1-2 | -181484 |
| 6standard | 466 | Ball, Kevin (1484) | Lost 0-2 | -181466 |
| 7standard | 411 | Jackson, Jacob (1463) | Won 2-0 | +181484 |
| 8standard | 348 | Klebba, Byford (1484) | Won 2-1 | +181502 |
| 9standard | 279 | Brooks, Paul (1499) | Won 2-1 | +181520 |
| top | average opponent: 1507record: 5-4 | new rating: 1520 | ||