Mattheus, Jacob
Current rating: 1554
Record: 8-7
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 121 | Calway, Christopher (1526) | Lost 0-2 | -181482 |
| 2modern | 308 | Myers, Christopher (1482) | Won 2-1 | +181500 |
| 3modern | 284 | Potts, Doug (1655) | Won 2-0 | +211521 |
| 4modern | 111 | Clarke, Teddy (1502) | Won 2-1 | +181539 |
| 5modern | 60 | Thomson, Gordon (1541) | Won 2-0 | +181557 |
| 6modern | 42 | Wong, Daniel (1885) | Won 2-1 | +241581 |
| 7modern | 55 | Newman, Brandon (1622) | Won 2-0 | +181599 |
| 8modern | 31 | Wolbers, Andrew (1866) | Lost 1-2 | -131586 |
| 9modern | 56 | Sikkink Johnson, Matt (2108) | Won 2-1 | +271613 |
| 10modern | 43 | Comando, Christopher (1577) | Lost 1-2 | -191594 |
| 11modern | 63 | Huang, Ray (1798) | Won 2-1 | +221616 |
| 12modern | 31 | Yeh, Chih-Cheng (2011) | Lost 1-2 | -111605 |
| 13modern | 44 | Qadir, Aadil (1689) | Lost 0-2 | -171588 |
| 14modern | 71 | Scroger, Casey (1572) | Lost 1-2 | -181570 |
| 15modern | 67 | McCord, Kristopher (1699) | Lost 1-2 | -161554 |
| average opponent: 1702record: 8-7 | new rating: 1554 | |||