Weretka, Jonathan
Current rating: 1536
Record: 5-3
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 263 | Fray, James (1500) | Won 2-1 | +181518 |
| 2modern | 52 | Cloer, Katie (1467) | Won 2-0 | +171535 |
| 3modern | 102 | Williams, Jeffrey (1527) | Lost 1-2 | -181517 |
| 4modern | 152 | Weiner, Jeff (1484) | Won 2-1 | +171534 |
| 5modern | 75 | Potts, Bryan (1628) | Won 2-1 | +201554 |
| 6modern | 74 | Scroger, Casey (1559) | Won 2-1 | +181572 |
| 7modern | 67 | Pena, Christopher (1528) | Lost 0-2 | -191553 |
| 8modern | 61 | Garcia, Anthony (1595) | Lost 1-2 | -171536 |
| average opponent: 1536record: 5-3 | new rating: 1536 | |||