Jacobs, Cory
Current rating: 1559
Record: 10-7-1
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 280 | Morrill, Alex (1571) | Won 2-0 | +191560 |
| 2modern | 211 | Stewart, Perry (1682) | Won 2-1 | +201580 |
| 3modern | 160 | Orabona, Scott (1572) | Lost 1-2 | -181562 |
| 4modern | 313 | Undercofler, Michael (1518) | Won 2-0 | +171579 |
| 5modern | 112 | Marlborough, Caitlyn (1484) | Won 2-1 | +161595 |
| 6modern | 116 | Lepore, Frank (1593) | Lost 0-2 | -181577 |
| 7modern | 113 | Rubin, Jonathan (1622) | Lost 1-2 | -171560 |
| 8modern | 194 | Brown, Sam (1540) | Lost 1-2 | -181542 |
| 9modern | 184 | Ross, Thomas (1500) | Won 2-0 | +171559 |
| average opponent: 1565record: 5-4 | new rating: 1559 | |||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 242 | Hansen, Matt (1844) | Won 2-0 | +241524 |
| 2modern | 272 | Stojak, Peter (1420) | Won 2-0 | +161540 |
| 3modern | 146 | AuCoin, Ryan (1536) | Draw 1-1 | 01540 |
| 4modern | 123 | Gambhir, Arjun (1536) | Lost 0-2 | -181522 |
| 5modern | 253 | Carlton, Richard (1515) | Won 2-0 | +181540 |
| 6modern | 166 | Casale, John (1668) | Won 2-1 | +201560 |
| 7modern | 87 | Lee, Robert 883 (1556) | Won 2-0 | +181578 |
| 8modern | 58 | Ake, Albert (1555) | Lost 1-2 | -181560 |
| 9modern | 105 | Wong, Kevin (1542) | Lost 1-2 | -191541 |
| average opponent: 1575record: 5-3-1 | new rating: 1541 | |||